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1 | /* bnx2x_main.c: Broadcom Everest network driver. | |
2 | * | |
3 | * Copyright (c) 2007-2008 Broadcom Corporation | |
4 | * | |
5 | * This program is free software; you can redistribute it and/or modify | |
6 | * it under the terms of the GNU General Public License as published by | |
7 | * the Free Software Foundation. | |
8 | * | |
9 | * Maintained by: Eilon Greenstein <eilong@broadcom.com> | |
10 | * Written by: Eliezer Tamir | |
11 | * Based on code from Michael Chan's bnx2 driver | |
12 | * UDP CSUM errata workaround by Arik Gendelman | |
13 | * Slowpath rework by Vladislav Zolotarov | |
14 | * Statistics and Link management by Yitchak Gertner | |
15 | * | |
16 | */ | |
17 | ||
18 | #include <linux/module.h> | |
19 | #include <linux/moduleparam.h> | |
20 | #include <linux/kernel.h> | |
21 | #include <linux/device.h> /* for dev_info() */ | |
22 | #include <linux/timer.h> | |
23 | #include <linux/errno.h> | |
24 | #include <linux/ioport.h> | |
25 | #include <linux/slab.h> | |
26 | #include <linux/vmalloc.h> | |
27 | #include <linux/interrupt.h> | |
28 | #include <linux/pci.h> | |
29 | #include <linux/init.h> | |
30 | #include <linux/netdevice.h> | |
31 | #include <linux/etherdevice.h> | |
32 | #include <linux/skbuff.h> | |
33 | #include <linux/dma-mapping.h> | |
34 | #include <linux/bitops.h> | |
35 | #include <linux/irq.h> | |
36 | #include <linux/delay.h> | |
37 | #include <asm/byteorder.h> | |
38 | #include <linux/time.h> | |
39 | #include <linux/ethtool.h> | |
40 | #include <linux/mii.h> | |
41 | #ifdef NETIF_F_HW_VLAN_TX | |
42 | #include <linux/if_vlan.h> | |
43 | #endif | |
44 | #include <net/ip.h> | |
45 | #include <net/tcp.h> | |
46 | #include <net/checksum.h> | |
47 | #include <net/ip6_checksum.h> | |
48 | #include <linux/workqueue.h> | |
49 | #include <linux/crc32.h> | |
50 | #include <linux/crc32c.h> | |
51 | #include <linux/prefetch.h> | |
52 | #include <linux/zlib.h> | |
53 | #include <linux/io.h> | |
54 | ||
55 | #include "bnx2x_reg.h" | |
56 | #include "bnx2x_fw_defs.h" | |
57 | #include "bnx2x_hsi.h" | |
58 | #include "bnx2x_link.h" | |
59 | #include "bnx2x.h" | |
60 | #include "bnx2x_init.h" | |
61 | ||
62 | #define DRV_MODULE_VERSION "1.45.23" | |
63 | #define DRV_MODULE_RELDATE "2008/11/03" | |
64 | #define BNX2X_BC_VER 0x040200 | |
65 | ||
66 | /* Time in jiffies before concluding the transmitter is hung */ | |
67 | #define TX_TIMEOUT (5*HZ) | |
68 | ||
69 | static char version[] __devinitdata = | |
70 | "Broadcom NetXtreme II 5771x 10Gigabit Ethernet Driver " | |
71 | DRV_MODULE_NAME " " DRV_MODULE_VERSION " (" DRV_MODULE_RELDATE ")\n"; | |
72 | ||
73 | MODULE_AUTHOR("Eliezer Tamir"); | |
74 | MODULE_DESCRIPTION("Broadcom NetXtreme II BCM57710 Driver"); | |
75 | MODULE_LICENSE("GPL"); | |
76 | MODULE_VERSION(DRV_MODULE_VERSION); | |
77 | ||
78 | static int disable_tpa; | |
79 | static int use_inta; | |
80 | static int poll; | |
81 | static int debug; | |
82 | static int load_count[3]; /* 0-common, 1-port0, 2-port1 */ | |
83 | static int use_multi; | |
84 | ||
85 | module_param(disable_tpa, int, 0); | |
86 | module_param(use_inta, int, 0); | |
87 | module_param(poll, int, 0); | |
88 | module_param(debug, int, 0); | |
89 | MODULE_PARM_DESC(disable_tpa, "disable the TPA (LRO) feature"); | |
90 | MODULE_PARM_DESC(use_inta, "use INT#A instead of MSI-X"); | |
91 | MODULE_PARM_DESC(poll, "use polling (for debug)"); | |
92 | MODULE_PARM_DESC(debug, "default debug msglevel"); | |
93 | ||
94 | #ifdef BNX2X_MULTI | |
95 | module_param(use_multi, int, 0); | |
96 | MODULE_PARM_DESC(use_multi, "use per-CPU queues"); | |
97 | #endif | |
98 | static struct workqueue_struct *bnx2x_wq; | |
99 | ||
100 | enum bnx2x_board_type { | |
101 | BCM57710 = 0, | |
102 | BCM57711 = 1, | |
103 | BCM57711E = 2, | |
104 | }; | |
105 | ||
106 | /* indexed by board_type, above */ | |
107 | static struct { | |
108 | char *name; | |
109 | } board_info[] __devinitdata = { | |
110 | { "Broadcom NetXtreme II BCM57710 XGb" }, | |
111 | { "Broadcom NetXtreme II BCM57711 XGb" }, | |
112 | { "Broadcom NetXtreme II BCM57711E XGb" } | |
113 | }; | |
114 | ||
115 | ||
116 | static const struct pci_device_id bnx2x_pci_tbl[] = { | |
117 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57710, | |
118 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57710 }, | |
119 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711, | |
120 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711 }, | |
121 | { PCI_VENDOR_ID_BROADCOM, PCI_DEVICE_ID_NX2_57711E, | |
122 | PCI_ANY_ID, PCI_ANY_ID, 0, 0, BCM57711E }, | |
123 | { 0 } | |
124 | }; | |
125 | ||
126 | MODULE_DEVICE_TABLE(pci, bnx2x_pci_tbl); | |
127 | ||
128 | /**************************************************************************** | |
129 | * General service functions | |
130 | ****************************************************************************/ | |
131 | ||
132 | /* used only at init | |
133 | * locking is done by mcp | |
134 | */ | |
135 | static void bnx2x_reg_wr_ind(struct bnx2x *bp, u32 addr, u32 val) | |
136 | { | |
137 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); | |
138 | pci_write_config_dword(bp->pdev, PCICFG_GRC_DATA, val); | |
139 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
140 | PCICFG_VENDOR_ID_OFFSET); | |
141 | } | |
142 | ||
143 | static u32 bnx2x_reg_rd_ind(struct bnx2x *bp, u32 addr) | |
144 | { | |
145 | u32 val; | |
146 | ||
147 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, addr); | |
148 | pci_read_config_dword(bp->pdev, PCICFG_GRC_DATA, &val); | |
149 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
150 | PCICFG_VENDOR_ID_OFFSET); | |
151 | ||
152 | return val; | |
153 | } | |
154 | ||
155 | static const u32 dmae_reg_go_c[] = { | |
156 | DMAE_REG_GO_C0, DMAE_REG_GO_C1, DMAE_REG_GO_C2, DMAE_REG_GO_C3, | |
157 | DMAE_REG_GO_C4, DMAE_REG_GO_C5, DMAE_REG_GO_C6, DMAE_REG_GO_C7, | |
158 | DMAE_REG_GO_C8, DMAE_REG_GO_C9, DMAE_REG_GO_C10, DMAE_REG_GO_C11, | |
159 | DMAE_REG_GO_C12, DMAE_REG_GO_C13, DMAE_REG_GO_C14, DMAE_REG_GO_C15 | |
160 | }; | |
161 | ||
162 | /* copy command into DMAE command memory and set DMAE command go */ | |
163 | static void bnx2x_post_dmae(struct bnx2x *bp, struct dmae_command *dmae, | |
164 | int idx) | |
165 | { | |
166 | u32 cmd_offset; | |
167 | int i; | |
168 | ||
169 | cmd_offset = (DMAE_REG_CMD_MEM + sizeof(struct dmae_command) * idx); | |
170 | for (i = 0; i < (sizeof(struct dmae_command)/4); i++) { | |
171 | REG_WR(bp, cmd_offset + i*4, *(((u32 *)dmae) + i)); | |
172 | ||
173 | DP(BNX2X_MSG_OFF, "DMAE cmd[%d].%d (0x%08x) : 0x%08x\n", | |
174 | idx, i, cmd_offset + i*4, *(((u32 *)dmae) + i)); | |
175 | } | |
176 | REG_WR(bp, dmae_reg_go_c[idx], 1); | |
177 | } | |
178 | ||
179 | void bnx2x_write_dmae(struct bnx2x *bp, dma_addr_t dma_addr, u32 dst_addr, | |
180 | u32 len32) | |
181 | { | |
182 | struct dmae_command *dmae = &bp->init_dmae; | |
183 | u32 *wb_comp = bnx2x_sp(bp, wb_comp); | |
184 | int cnt = 200; | |
185 | ||
186 | if (!bp->dmae_ready) { | |
187 | u32 *data = bnx2x_sp(bp, wb_data[0]); | |
188 | ||
189 | DP(BNX2X_MSG_OFF, "DMAE is not ready (dst_addr %08x len32 %d)" | |
190 | " using indirect\n", dst_addr, len32); | |
191 | bnx2x_init_ind_wr(bp, dst_addr, data, len32); | |
192 | return; | |
193 | } | |
194 | ||
195 | mutex_lock(&bp->dmae_mutex); | |
196 | ||
197 | memset(dmae, 0, sizeof(struct dmae_command)); | |
198 | ||
199 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
200 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
201 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
202 | #ifdef __BIG_ENDIAN | |
203 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
204 | #else | |
205 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
206 | #endif | |
207 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
208 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
209 | dmae->src_addr_lo = U64_LO(dma_addr); | |
210 | dmae->src_addr_hi = U64_HI(dma_addr); | |
211 | dmae->dst_addr_lo = dst_addr >> 2; | |
212 | dmae->dst_addr_hi = 0; | |
213 | dmae->len = len32; | |
214 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); | |
215 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); | |
216 | dmae->comp_val = DMAE_COMP_VAL; | |
217 | ||
218 | DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n" | |
219 | DP_LEVEL "src_addr [%x:%08x] len [%d *4] " | |
220 | "dst_addr [%x:%08x (%08x)]\n" | |
221 | DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", | |
222 | dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, | |
223 | dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, dst_addr, | |
224 | dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); | |
225 | DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", | |
226 | bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], | |
227 | bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); | |
228 | ||
229 | *wb_comp = 0; | |
230 | ||
231 | bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); | |
232 | ||
233 | udelay(5); | |
234 | ||
235 | while (*wb_comp != DMAE_COMP_VAL) { | |
236 | DP(BNX2X_MSG_OFF, "wb_comp 0x%08x\n", *wb_comp); | |
237 | ||
238 | if (!cnt) { | |
239 | BNX2X_ERR("dmae timeout!\n"); | |
240 | break; | |
241 | } | |
242 | cnt--; | |
243 | /* adjust delay for emulation/FPGA */ | |
244 | if (CHIP_REV_IS_SLOW(bp)) | |
245 | msleep(100); | |
246 | else | |
247 | udelay(5); | |
248 | } | |
249 | ||
250 | mutex_unlock(&bp->dmae_mutex); | |
251 | } | |
252 | ||
253 | void bnx2x_read_dmae(struct bnx2x *bp, u32 src_addr, u32 len32) | |
254 | { | |
255 | struct dmae_command *dmae = &bp->init_dmae; | |
256 | u32 *wb_comp = bnx2x_sp(bp, wb_comp); | |
257 | int cnt = 200; | |
258 | ||
259 | if (!bp->dmae_ready) { | |
260 | u32 *data = bnx2x_sp(bp, wb_data[0]); | |
261 | int i; | |
262 | ||
263 | DP(BNX2X_MSG_OFF, "DMAE is not ready (src_addr %08x len32 %d)" | |
264 | " using indirect\n", src_addr, len32); | |
265 | for (i = 0; i < len32; i++) | |
266 | data[i] = bnx2x_reg_rd_ind(bp, src_addr + i*4); | |
267 | return; | |
268 | } | |
269 | ||
270 | mutex_lock(&bp->dmae_mutex); | |
271 | ||
272 | memset(bnx2x_sp(bp, wb_data[0]), 0, sizeof(u32) * 4); | |
273 | memset(dmae, 0, sizeof(struct dmae_command)); | |
274 | ||
275 | dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
276 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
277 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
278 | #ifdef __BIG_ENDIAN | |
279 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
280 | #else | |
281 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
282 | #endif | |
283 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
284 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
285 | dmae->src_addr_lo = src_addr >> 2; | |
286 | dmae->src_addr_hi = 0; | |
287 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_data)); | |
288 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_data)); | |
289 | dmae->len = len32; | |
290 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, wb_comp)); | |
291 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, wb_comp)); | |
292 | dmae->comp_val = DMAE_COMP_VAL; | |
293 | ||
294 | DP(BNX2X_MSG_OFF, "dmae: opcode 0x%08x\n" | |
295 | DP_LEVEL "src_addr [%x:%08x] len [%d *4] " | |
296 | "dst_addr [%x:%08x (%08x)]\n" | |
297 | DP_LEVEL "comp_addr [%x:%08x] comp_val 0x%08x\n", | |
298 | dmae->opcode, dmae->src_addr_hi, dmae->src_addr_lo, | |
299 | dmae->len, dmae->dst_addr_hi, dmae->dst_addr_lo, src_addr, | |
300 | dmae->comp_addr_hi, dmae->comp_addr_lo, dmae->comp_val); | |
301 | ||
302 | *wb_comp = 0; | |
303 | ||
304 | bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); | |
305 | ||
306 | udelay(5); | |
307 | ||
308 | while (*wb_comp != DMAE_COMP_VAL) { | |
309 | ||
310 | if (!cnt) { | |
311 | BNX2X_ERR("dmae timeout!\n"); | |
312 | break; | |
313 | } | |
314 | cnt--; | |
315 | /* adjust delay for emulation/FPGA */ | |
316 | if (CHIP_REV_IS_SLOW(bp)) | |
317 | msleep(100); | |
318 | else | |
319 | udelay(5); | |
320 | } | |
321 | DP(BNX2X_MSG_OFF, "data [0x%08x 0x%08x 0x%08x 0x%08x]\n", | |
322 | bp->slowpath->wb_data[0], bp->slowpath->wb_data[1], | |
323 | bp->slowpath->wb_data[2], bp->slowpath->wb_data[3]); | |
324 | ||
325 | mutex_unlock(&bp->dmae_mutex); | |
326 | } | |
327 | ||
328 | /* used only for slowpath so not inlined */ | |
329 | static void bnx2x_wb_wr(struct bnx2x *bp, int reg, u32 val_hi, u32 val_lo) | |
330 | { | |
331 | u32 wb_write[2]; | |
332 | ||
333 | wb_write[0] = val_hi; | |
334 | wb_write[1] = val_lo; | |
335 | REG_WR_DMAE(bp, reg, wb_write, 2); | |
336 | } | |
337 | ||
338 | #ifdef USE_WB_RD | |
339 | static u64 bnx2x_wb_rd(struct bnx2x *bp, int reg) | |
340 | { | |
341 | u32 wb_data[2]; | |
342 | ||
343 | REG_RD_DMAE(bp, reg, wb_data, 2); | |
344 | ||
345 | return HILO_U64(wb_data[0], wb_data[1]); | |
346 | } | |
347 | #endif | |
348 | ||
349 | static int bnx2x_mc_assert(struct bnx2x *bp) | |
350 | { | |
351 | char last_idx; | |
352 | int i, rc = 0; | |
353 | u32 row0, row1, row2, row3; | |
354 | ||
355 | /* XSTORM */ | |
356 | last_idx = REG_RD8(bp, BAR_XSTRORM_INTMEM + | |
357 | XSTORM_ASSERT_LIST_INDEX_OFFSET); | |
358 | if (last_idx) | |
359 | BNX2X_ERR("XSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); | |
360 | ||
361 | /* print the asserts */ | |
362 | for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { | |
363 | ||
364 | row0 = REG_RD(bp, BAR_XSTRORM_INTMEM + | |
365 | XSTORM_ASSERT_LIST_OFFSET(i)); | |
366 | row1 = REG_RD(bp, BAR_XSTRORM_INTMEM + | |
367 | XSTORM_ASSERT_LIST_OFFSET(i) + 4); | |
368 | row2 = REG_RD(bp, BAR_XSTRORM_INTMEM + | |
369 | XSTORM_ASSERT_LIST_OFFSET(i) + 8); | |
370 | row3 = REG_RD(bp, BAR_XSTRORM_INTMEM + | |
371 | XSTORM_ASSERT_LIST_OFFSET(i) + 12); | |
372 | ||
373 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
374 | BNX2X_ERR("XSTORM_ASSERT_INDEX 0x%x = 0x%08x" | |
375 | " 0x%08x 0x%08x 0x%08x\n", | |
376 | i, row3, row2, row1, row0); | |
377 | rc++; | |
378 | } else { | |
379 | break; | |
380 | } | |
381 | } | |
382 | ||
383 | /* TSTORM */ | |
384 | last_idx = REG_RD8(bp, BAR_TSTRORM_INTMEM + | |
385 | TSTORM_ASSERT_LIST_INDEX_OFFSET); | |
386 | if (last_idx) | |
387 | BNX2X_ERR("TSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); | |
388 | ||
389 | /* print the asserts */ | |
390 | for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { | |
391 | ||
392 | row0 = REG_RD(bp, BAR_TSTRORM_INTMEM + | |
393 | TSTORM_ASSERT_LIST_OFFSET(i)); | |
394 | row1 = REG_RD(bp, BAR_TSTRORM_INTMEM + | |
395 | TSTORM_ASSERT_LIST_OFFSET(i) + 4); | |
396 | row2 = REG_RD(bp, BAR_TSTRORM_INTMEM + | |
397 | TSTORM_ASSERT_LIST_OFFSET(i) + 8); | |
398 | row3 = REG_RD(bp, BAR_TSTRORM_INTMEM + | |
399 | TSTORM_ASSERT_LIST_OFFSET(i) + 12); | |
400 | ||
401 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
402 | BNX2X_ERR("TSTORM_ASSERT_INDEX 0x%x = 0x%08x" | |
403 | " 0x%08x 0x%08x 0x%08x\n", | |
404 | i, row3, row2, row1, row0); | |
405 | rc++; | |
406 | } else { | |
407 | break; | |
408 | } | |
409 | } | |
410 | ||
411 | /* CSTORM */ | |
412 | last_idx = REG_RD8(bp, BAR_CSTRORM_INTMEM + | |
413 | CSTORM_ASSERT_LIST_INDEX_OFFSET); | |
414 | if (last_idx) | |
415 | BNX2X_ERR("CSTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); | |
416 | ||
417 | /* print the asserts */ | |
418 | for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { | |
419 | ||
420 | row0 = REG_RD(bp, BAR_CSTRORM_INTMEM + | |
421 | CSTORM_ASSERT_LIST_OFFSET(i)); | |
422 | row1 = REG_RD(bp, BAR_CSTRORM_INTMEM + | |
423 | CSTORM_ASSERT_LIST_OFFSET(i) + 4); | |
424 | row2 = REG_RD(bp, BAR_CSTRORM_INTMEM + | |
425 | CSTORM_ASSERT_LIST_OFFSET(i) + 8); | |
426 | row3 = REG_RD(bp, BAR_CSTRORM_INTMEM + | |
427 | CSTORM_ASSERT_LIST_OFFSET(i) + 12); | |
428 | ||
429 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
430 | BNX2X_ERR("CSTORM_ASSERT_INDEX 0x%x = 0x%08x" | |
431 | " 0x%08x 0x%08x 0x%08x\n", | |
432 | i, row3, row2, row1, row0); | |
433 | rc++; | |
434 | } else { | |
435 | break; | |
436 | } | |
437 | } | |
438 | ||
439 | /* USTORM */ | |
440 | last_idx = REG_RD8(bp, BAR_USTRORM_INTMEM + | |
441 | USTORM_ASSERT_LIST_INDEX_OFFSET); | |
442 | if (last_idx) | |
443 | BNX2X_ERR("USTORM_ASSERT_LIST_INDEX 0x%x\n", last_idx); | |
444 | ||
445 | /* print the asserts */ | |
446 | for (i = 0; i < STROM_ASSERT_ARRAY_SIZE; i++) { | |
447 | ||
448 | row0 = REG_RD(bp, BAR_USTRORM_INTMEM + | |
449 | USTORM_ASSERT_LIST_OFFSET(i)); | |
450 | row1 = REG_RD(bp, BAR_USTRORM_INTMEM + | |
451 | USTORM_ASSERT_LIST_OFFSET(i) + 4); | |
452 | row2 = REG_RD(bp, BAR_USTRORM_INTMEM + | |
453 | USTORM_ASSERT_LIST_OFFSET(i) + 8); | |
454 | row3 = REG_RD(bp, BAR_USTRORM_INTMEM + | |
455 | USTORM_ASSERT_LIST_OFFSET(i) + 12); | |
456 | ||
457 | if (row0 != COMMON_ASM_INVALID_ASSERT_OPCODE) { | |
458 | BNX2X_ERR("USTORM_ASSERT_INDEX 0x%x = 0x%08x" | |
459 | " 0x%08x 0x%08x 0x%08x\n", | |
460 | i, row3, row2, row1, row0); | |
461 | rc++; | |
462 | } else { | |
463 | break; | |
464 | } | |
465 | } | |
466 | ||
467 | return rc; | |
468 | } | |
469 | ||
470 | static void bnx2x_fw_dump(struct bnx2x *bp) | |
471 | { | |
472 | u32 mark, offset; | |
473 | u32 data[9]; | |
474 | int word; | |
475 | ||
476 | mark = REG_RD(bp, MCP_REG_MCPR_SCRATCH + 0xf104); | |
477 | mark = ((mark + 0x3) & ~0x3); | |
478 | printk(KERN_ERR PFX "begin fw dump (mark 0x%x)\n" KERN_ERR, mark); | |
479 | ||
480 | for (offset = mark - 0x08000000; offset <= 0xF900; offset += 0x8*4) { | |
481 | for (word = 0; word < 8; word++) | |
482 | data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + | |
483 | offset + 4*word)); | |
484 | data[8] = 0x0; | |
485 | printk(KERN_CONT "%s", (char *)data); | |
486 | } | |
487 | for (offset = 0xF108; offset <= mark - 0x08000000; offset += 0x8*4) { | |
488 | for (word = 0; word < 8; word++) | |
489 | data[word] = htonl(REG_RD(bp, MCP_REG_MCPR_SCRATCH + | |
490 | offset + 4*word)); | |
491 | data[8] = 0x0; | |
492 | printk(KERN_CONT "%s", (char *)data); | |
493 | } | |
494 | printk("\n" KERN_ERR PFX "end of fw dump\n"); | |
495 | } | |
496 | ||
497 | static void bnx2x_panic_dump(struct bnx2x *bp) | |
498 | { | |
499 | int i; | |
500 | u16 j, start, end; | |
501 | ||
502 | bp->stats_state = STATS_STATE_DISABLED; | |
503 | DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n"); | |
504 | ||
505 | BNX2X_ERR("begin crash dump -----------------\n"); | |
506 | ||
507 | for_each_queue(bp, i) { | |
508 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
509 | struct eth_tx_db_data *hw_prods = fp->hw_tx_prods; | |
510 | ||
511 | BNX2X_ERR("queue[%d]: tx_pkt_prod(%x) tx_pkt_cons(%x)" | |
512 | " tx_bd_prod(%x) tx_bd_cons(%x) *tx_cons_sb(%x)\n", | |
513 | i, fp->tx_pkt_prod, fp->tx_pkt_cons, fp->tx_bd_prod, | |
514 | fp->tx_bd_cons, le16_to_cpu(*fp->tx_cons_sb)); | |
515 | BNX2X_ERR(" rx_bd_prod(%x) rx_bd_cons(%x)" | |
516 | " *rx_bd_cons_sb(%x) rx_comp_prod(%x)" | |
517 | " rx_comp_cons(%x) *rx_cons_sb(%x)\n", | |
518 | fp->rx_bd_prod, fp->rx_bd_cons, | |
519 | le16_to_cpu(*fp->rx_bd_cons_sb), fp->rx_comp_prod, | |
520 | fp->rx_comp_cons, le16_to_cpu(*fp->rx_cons_sb)); | |
521 | BNX2X_ERR(" rx_sge_prod(%x) last_max_sge(%x)" | |
522 | " fp_c_idx(%x) *sb_c_idx(%x) fp_u_idx(%x)" | |
523 | " *sb_u_idx(%x) bd data(%x,%x)\n", | |
524 | fp->rx_sge_prod, fp->last_max_sge, fp->fp_c_idx, | |
525 | fp->status_blk->c_status_block.status_block_index, | |
526 | fp->fp_u_idx, | |
527 | fp->status_blk->u_status_block.status_block_index, | |
528 | hw_prods->packets_prod, hw_prods->bds_prod); | |
529 | ||
530 | start = TX_BD(le16_to_cpu(*fp->tx_cons_sb) - 10); | |
531 | end = TX_BD(le16_to_cpu(*fp->tx_cons_sb) + 245); | |
532 | for (j = start; j < end; j++) { | |
533 | struct sw_tx_bd *sw_bd = &fp->tx_buf_ring[j]; | |
534 | ||
535 | BNX2X_ERR("packet[%x]=[%p,%x]\n", j, | |
536 | sw_bd->skb, sw_bd->first_bd); | |
537 | } | |
538 | ||
539 | start = TX_BD(fp->tx_bd_cons - 10); | |
540 | end = TX_BD(fp->tx_bd_cons + 254); | |
541 | for (j = start; j < end; j++) { | |
542 | u32 *tx_bd = (u32 *)&fp->tx_desc_ring[j]; | |
543 | ||
544 | BNX2X_ERR("tx_bd[%x]=[%x:%x:%x:%x]\n", | |
545 | j, tx_bd[0], tx_bd[1], tx_bd[2], tx_bd[3]); | |
546 | } | |
547 | ||
548 | start = RX_BD(le16_to_cpu(*fp->rx_cons_sb) - 10); | |
549 | end = RX_BD(le16_to_cpu(*fp->rx_cons_sb) + 503); | |
550 | for (j = start; j < end; j++) { | |
551 | u32 *rx_bd = (u32 *)&fp->rx_desc_ring[j]; | |
552 | struct sw_rx_bd *sw_bd = &fp->rx_buf_ring[j]; | |
553 | ||
554 | BNX2X_ERR("rx_bd[%x]=[%x:%x] sw_bd=[%p]\n", | |
555 | j, rx_bd[1], rx_bd[0], sw_bd->skb); | |
556 | } | |
557 | ||
558 | start = RX_SGE(fp->rx_sge_prod); | |
559 | end = RX_SGE(fp->last_max_sge); | |
560 | for (j = start; j < end; j++) { | |
561 | u32 *rx_sge = (u32 *)&fp->rx_sge_ring[j]; | |
562 | struct sw_rx_page *sw_page = &fp->rx_page_ring[j]; | |
563 | ||
564 | BNX2X_ERR("rx_sge[%x]=[%x:%x] sw_page=[%p]\n", | |
565 | j, rx_sge[1], rx_sge[0], sw_page->page); | |
566 | } | |
567 | ||
568 | start = RCQ_BD(fp->rx_comp_cons - 10); | |
569 | end = RCQ_BD(fp->rx_comp_cons + 503); | |
570 | for (j = start; j < end; j++) { | |
571 | u32 *cqe = (u32 *)&fp->rx_comp_ring[j]; | |
572 | ||
573 | BNX2X_ERR("cqe[%x]=[%x:%x:%x:%x]\n", | |
574 | j, cqe[0], cqe[1], cqe[2], cqe[3]); | |
575 | } | |
576 | } | |
577 | ||
578 | BNX2X_ERR("def_c_idx(%u) def_u_idx(%u) def_x_idx(%u)" | |
579 | " def_t_idx(%u) def_att_idx(%u) attn_state(%u)" | |
580 | " spq_prod_idx(%u)\n", | |
581 | bp->def_c_idx, bp->def_u_idx, bp->def_x_idx, bp->def_t_idx, | |
582 | bp->def_att_idx, bp->attn_state, bp->spq_prod_idx); | |
583 | ||
584 | bnx2x_fw_dump(bp); | |
585 | bnx2x_mc_assert(bp); | |
586 | BNX2X_ERR("end crash dump -----------------\n"); | |
587 | } | |
588 | ||
589 | static void bnx2x_int_enable(struct bnx2x *bp) | |
590 | { | |
591 | int port = BP_PORT(bp); | |
592 | u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
593 | u32 val = REG_RD(bp, addr); | |
594 | int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; | |
595 | ||
596 | if (msix) { | |
597 | val &= ~HC_CONFIG_0_REG_SINGLE_ISR_EN_0; | |
598 | val |= (HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
599 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
600 | } else { | |
601 | val |= (HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
602 | HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
603 | HC_CONFIG_0_REG_INT_LINE_EN_0 | | |
604 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
605 | ||
606 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", | |
607 | val, port, addr, msix); | |
608 | ||
609 | REG_WR(bp, addr, val); | |
610 | ||
611 | val &= ~HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0; | |
612 | } | |
613 | ||
614 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x) MSI-X %d\n", | |
615 | val, port, addr, msix); | |
616 | ||
617 | REG_WR(bp, addr, val); | |
618 | ||
619 | if (CHIP_IS_E1H(bp)) { | |
620 | /* init leading/trailing edge */ | |
621 | if (IS_E1HMF(bp)) { | |
622 | val = (0xfe0f | (1 << (BP_E1HVN(bp) + 4))); | |
623 | if (bp->port.pmf) | |
624 | /* enable nig attention */ | |
625 | val |= 0x0100; | |
626 | } else | |
627 | val = 0xffff; | |
628 | ||
629 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); | |
630 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); | |
631 | } | |
632 | } | |
633 | ||
634 | static void bnx2x_int_disable(struct bnx2x *bp) | |
635 | { | |
636 | int port = BP_PORT(bp); | |
637 | u32 addr = port ? HC_REG_CONFIG_1 : HC_REG_CONFIG_0; | |
638 | u32 val = REG_RD(bp, addr); | |
639 | ||
640 | val &= ~(HC_CONFIG_0_REG_SINGLE_ISR_EN_0 | | |
641 | HC_CONFIG_0_REG_MSI_MSIX_INT_EN_0 | | |
642 | HC_CONFIG_0_REG_INT_LINE_EN_0 | | |
643 | HC_CONFIG_0_REG_ATTN_BIT_EN_0); | |
644 | ||
645 | DP(NETIF_MSG_INTR, "write %x to HC %d (addr 0x%x)\n", | |
646 | val, port, addr); | |
647 | ||
648 | REG_WR(bp, addr, val); | |
649 | if (REG_RD(bp, addr) != val) | |
650 | BNX2X_ERR("BUG! proper val not read from IGU!\n"); | |
651 | } | |
652 | ||
653 | static void bnx2x_int_disable_sync(struct bnx2x *bp, int disable_hw) | |
654 | { | |
655 | int msix = (bp->flags & USING_MSIX_FLAG) ? 1 : 0; | |
656 | int i; | |
657 | ||
658 | /* disable interrupt handling */ | |
659 | atomic_inc(&bp->intr_sem); | |
660 | if (disable_hw) | |
661 | /* prevent the HW from sending interrupts */ | |
662 | bnx2x_int_disable(bp); | |
663 | ||
664 | /* make sure all ISRs are done */ | |
665 | if (msix) { | |
666 | for_each_queue(bp, i) | |
667 | synchronize_irq(bp->msix_table[i].vector); | |
668 | ||
669 | /* one more for the Slow Path IRQ */ | |
670 | synchronize_irq(bp->msix_table[i].vector); | |
671 | } else | |
672 | synchronize_irq(bp->pdev->irq); | |
673 | ||
674 | /* make sure sp_task is not running */ | |
675 | cancel_delayed_work(&bp->sp_task); | |
676 | flush_workqueue(bnx2x_wq); | |
677 | } | |
678 | ||
679 | /* fast path */ | |
680 | ||
681 | /* | |
682 | * General service functions | |
683 | */ | |
684 | ||
685 | static inline void bnx2x_ack_sb(struct bnx2x *bp, u8 sb_id, | |
686 | u8 storm, u16 index, u8 op, u8 update) | |
687 | { | |
688 | u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + | |
689 | COMMAND_REG_INT_ACK); | |
690 | struct igu_ack_register igu_ack; | |
691 | ||
692 | igu_ack.status_block_index = index; | |
693 | igu_ack.sb_id_and_flags = | |
694 | ((sb_id << IGU_ACK_REGISTER_STATUS_BLOCK_ID_SHIFT) | | |
695 | (storm << IGU_ACK_REGISTER_STORM_ID_SHIFT) | | |
696 | (update << IGU_ACK_REGISTER_UPDATE_INDEX_SHIFT) | | |
697 | (op << IGU_ACK_REGISTER_INTERRUPT_MODE_SHIFT)); | |
698 | ||
699 | DP(BNX2X_MSG_OFF, "write 0x%08x to HC addr 0x%x\n", | |
700 | (*(u32 *)&igu_ack), hc_addr); | |
701 | REG_WR(bp, hc_addr, (*(u32 *)&igu_ack)); | |
702 | } | |
703 | ||
704 | static inline u16 bnx2x_update_fpsb_idx(struct bnx2x_fastpath *fp) | |
705 | { | |
706 | struct host_status_block *fpsb = fp->status_blk; | |
707 | u16 rc = 0; | |
708 | ||
709 | barrier(); /* status block is written to by the chip */ | |
710 | if (fp->fp_c_idx != fpsb->c_status_block.status_block_index) { | |
711 | fp->fp_c_idx = fpsb->c_status_block.status_block_index; | |
712 | rc |= 1; | |
713 | } | |
714 | if (fp->fp_u_idx != fpsb->u_status_block.status_block_index) { | |
715 | fp->fp_u_idx = fpsb->u_status_block.status_block_index; | |
716 | rc |= 2; | |
717 | } | |
718 | return rc; | |
719 | } | |
720 | ||
721 | static u16 bnx2x_ack_int(struct bnx2x *bp) | |
722 | { | |
723 | u32 hc_addr = (HC_REG_COMMAND_REG + BP_PORT(bp)*32 + | |
724 | COMMAND_REG_SIMD_MASK); | |
725 | u32 result = REG_RD(bp, hc_addr); | |
726 | ||
727 | DP(BNX2X_MSG_OFF, "read 0x%08x from HC addr 0x%x\n", | |
728 | result, hc_addr); | |
729 | ||
730 | return result; | |
731 | } | |
732 | ||
733 | ||
734 | /* | |
735 | * fast path service functions | |
736 | */ | |
737 | ||
738 | /* free skb in the packet ring at pos idx | |
739 | * return idx of last bd freed | |
740 | */ | |
741 | static u16 bnx2x_free_tx_pkt(struct bnx2x *bp, struct bnx2x_fastpath *fp, | |
742 | u16 idx) | |
743 | { | |
744 | struct sw_tx_bd *tx_buf = &fp->tx_buf_ring[idx]; | |
745 | struct eth_tx_bd *tx_bd; | |
746 | struct sk_buff *skb = tx_buf->skb; | |
747 | u16 bd_idx = TX_BD(tx_buf->first_bd), new_cons; | |
748 | int nbd; | |
749 | ||
750 | DP(BNX2X_MSG_OFF, "pkt_idx %d buff @(%p)->skb %p\n", | |
751 | idx, tx_buf, skb); | |
752 | ||
753 | /* unmap first bd */ | |
754 | DP(BNX2X_MSG_OFF, "free bd_idx %d\n", bd_idx); | |
755 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
756 | pci_unmap_single(bp->pdev, BD_UNMAP_ADDR(tx_bd), | |
757 | BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); | |
758 | ||
759 | nbd = le16_to_cpu(tx_bd->nbd) - 1; | |
760 | new_cons = nbd + tx_buf->first_bd; | |
761 | #ifdef BNX2X_STOP_ON_ERROR | |
762 | if (nbd > (MAX_SKB_FRAGS + 2)) { | |
763 | BNX2X_ERR("BAD nbd!\n"); | |
764 | bnx2x_panic(); | |
765 | } | |
766 | #endif | |
767 | ||
768 | /* Skip a parse bd and the TSO split header bd | |
769 | since they have no mapping */ | |
770 | if (nbd) | |
771 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
772 | ||
773 | if (tx_bd->bd_flags.as_bitfield & (ETH_TX_BD_FLAGS_IP_CSUM | | |
774 | ETH_TX_BD_FLAGS_TCP_CSUM | | |
775 | ETH_TX_BD_FLAGS_SW_LSO)) { | |
776 | if (--nbd) | |
777 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
778 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
779 | /* is this a TSO split header bd? */ | |
780 | if (tx_bd->bd_flags.as_bitfield & ETH_TX_BD_FLAGS_SW_LSO) { | |
781 | if (--nbd) | |
782 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
783 | } | |
784 | } | |
785 | ||
786 | /* now free frags */ | |
787 | while (nbd > 0) { | |
788 | ||
789 | DP(BNX2X_MSG_OFF, "free frag bd_idx %d\n", bd_idx); | |
790 | tx_bd = &fp->tx_desc_ring[bd_idx]; | |
791 | pci_unmap_page(bp->pdev, BD_UNMAP_ADDR(tx_bd), | |
792 | BD_UNMAP_LEN(tx_bd), PCI_DMA_TODEVICE); | |
793 | if (--nbd) | |
794 | bd_idx = TX_BD(NEXT_TX_IDX(bd_idx)); | |
795 | } | |
796 | ||
797 | /* release skb */ | |
798 | WARN_ON(!skb); | |
799 | dev_kfree_skb(skb); | |
800 | tx_buf->first_bd = 0; | |
801 | tx_buf->skb = NULL; | |
802 | ||
803 | return new_cons; | |
804 | } | |
805 | ||
806 | static inline u16 bnx2x_tx_avail(struct bnx2x_fastpath *fp) | |
807 | { | |
808 | s16 used; | |
809 | u16 prod; | |
810 | u16 cons; | |
811 | ||
812 | barrier(); /* Tell compiler that prod and cons can change */ | |
813 | prod = fp->tx_bd_prod; | |
814 | cons = fp->tx_bd_cons; | |
815 | ||
816 | /* NUM_TX_RINGS = number of "next-page" entries | |
817 | It will be used as a threshold */ | |
818 | used = SUB_S16(prod, cons) + (s16)NUM_TX_RINGS; | |
819 | ||
820 | #ifdef BNX2X_STOP_ON_ERROR | |
821 | WARN_ON(used < 0); | |
822 | WARN_ON(used > fp->bp->tx_ring_size); | |
823 | WARN_ON((fp->bp->tx_ring_size - used) > MAX_TX_AVAIL); | |
824 | #endif | |
825 | ||
826 | return (s16)(fp->bp->tx_ring_size) - used; | |
827 | } | |
828 | ||
829 | static void bnx2x_tx_int(struct bnx2x_fastpath *fp, int work) | |
830 | { | |
831 | struct bnx2x *bp = fp->bp; | |
832 | u16 hw_cons, sw_cons, bd_cons = fp->tx_bd_cons; | |
833 | int done = 0; | |
834 | ||
835 | #ifdef BNX2X_STOP_ON_ERROR | |
836 | if (unlikely(bp->panic)) | |
837 | return; | |
838 | #endif | |
839 | ||
840 | hw_cons = le16_to_cpu(*fp->tx_cons_sb); | |
841 | sw_cons = fp->tx_pkt_cons; | |
842 | ||
843 | while (sw_cons != hw_cons) { | |
844 | u16 pkt_cons; | |
845 | ||
846 | pkt_cons = TX_BD(sw_cons); | |
847 | ||
848 | /* prefetch(bp->tx_buf_ring[pkt_cons].skb); */ | |
849 | ||
850 | DP(NETIF_MSG_TX_DONE, "hw_cons %u sw_cons %u pkt_cons %u\n", | |
851 | hw_cons, sw_cons, pkt_cons); | |
852 | ||
853 | /* if (NEXT_TX_IDX(sw_cons) != hw_cons) { | |
854 | rmb(); | |
855 | prefetch(fp->tx_buf_ring[NEXT_TX_IDX(sw_cons)].skb); | |
856 | } | |
857 | */ | |
858 | bd_cons = bnx2x_free_tx_pkt(bp, fp, pkt_cons); | |
859 | sw_cons++; | |
860 | done++; | |
861 | ||
862 | if (done == work) | |
863 | break; | |
864 | } | |
865 | ||
866 | fp->tx_pkt_cons = sw_cons; | |
867 | fp->tx_bd_cons = bd_cons; | |
868 | ||
869 | /* Need to make the tx_cons update visible to start_xmit() | |
870 | * before checking for netif_queue_stopped(). Without the | |
871 | * memory barrier, there is a small possibility that start_xmit() | |
872 | * will miss it and cause the queue to be stopped forever. | |
873 | */ | |
874 | smp_mb(); | |
875 | ||
876 | /* TBD need a thresh? */ | |
877 | if (unlikely(netif_queue_stopped(bp->dev))) { | |
878 | ||
879 | netif_tx_lock(bp->dev); | |
880 | ||
881 | if (netif_queue_stopped(bp->dev) && | |
882 | (bp->state == BNX2X_STATE_OPEN) && | |
883 | (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3)) | |
884 | netif_wake_queue(bp->dev); | |
885 | ||
886 | netif_tx_unlock(bp->dev); | |
887 | } | |
888 | } | |
889 | ||
890 | ||
891 | static void bnx2x_sp_event(struct bnx2x_fastpath *fp, | |
892 | union eth_rx_cqe *rr_cqe) | |
893 | { | |
894 | struct bnx2x *bp = fp->bp; | |
895 | int cid = SW_CID(rr_cqe->ramrod_cqe.conn_and_cmd_data); | |
896 | int command = CQE_CMD(rr_cqe->ramrod_cqe.conn_and_cmd_data); | |
897 | ||
898 | DP(BNX2X_MSG_SP, | |
899 | "fp %d cid %d got ramrod #%d state is %x type is %d\n", | |
900 | FP_IDX(fp), cid, command, bp->state, | |
901 | rr_cqe->ramrod_cqe.ramrod_type); | |
902 | ||
903 | bp->spq_left++; | |
904 | ||
905 | if (FP_IDX(fp)) { | |
906 | switch (command | fp->state) { | |
907 | case (RAMROD_CMD_ID_ETH_CLIENT_SETUP | | |
908 | BNX2X_FP_STATE_OPENING): | |
909 | DP(NETIF_MSG_IFUP, "got MULTI[%d] setup ramrod\n", | |
910 | cid); | |
911 | fp->state = BNX2X_FP_STATE_OPEN; | |
912 | break; | |
913 | ||
914 | case (RAMROD_CMD_ID_ETH_HALT | BNX2X_FP_STATE_HALTING): | |
915 | DP(NETIF_MSG_IFDOWN, "got MULTI[%d] halt ramrod\n", | |
916 | cid); | |
917 | fp->state = BNX2X_FP_STATE_HALTED; | |
918 | break; | |
919 | ||
920 | default: | |
921 | BNX2X_ERR("unexpected MC reply (%d) " | |
922 | "fp->state is %x\n", command, fp->state); | |
923 | break; | |
924 | } | |
925 | mb(); /* force bnx2x_wait_ramrod() to see the change */ | |
926 | return; | |
927 | } | |
928 | ||
929 | switch (command | bp->state) { | |
930 | case (RAMROD_CMD_ID_ETH_PORT_SETUP | BNX2X_STATE_OPENING_WAIT4_PORT): | |
931 | DP(NETIF_MSG_IFUP, "got setup ramrod\n"); | |
932 | bp->state = BNX2X_STATE_OPEN; | |
933 | break; | |
934 | ||
935 | case (RAMROD_CMD_ID_ETH_HALT | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
936 | DP(NETIF_MSG_IFDOWN, "got halt ramrod\n"); | |
937 | bp->state = BNX2X_STATE_CLOSING_WAIT4_DELETE; | |
938 | fp->state = BNX2X_FP_STATE_HALTED; | |
939 | break; | |
940 | ||
941 | case (RAMROD_CMD_ID_ETH_CFC_DEL | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
942 | DP(NETIF_MSG_IFDOWN, "got delete ramrod for MULTI[%d]\n", cid); | |
943 | bnx2x_fp(bp, cid, state) = BNX2X_FP_STATE_CLOSED; | |
944 | break; | |
945 | ||
946 | ||
947 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_OPEN): | |
948 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_DIAG): | |
949 | DP(NETIF_MSG_IFUP, "got set mac ramrod\n"); | |
950 | bp->set_mac_pending = 0; | |
951 | break; | |
952 | ||
953 | case (RAMROD_CMD_ID_ETH_SET_MAC | BNX2X_STATE_CLOSING_WAIT4_HALT): | |
954 | DP(NETIF_MSG_IFDOWN, "got (un)set mac ramrod\n"); | |
955 | break; | |
956 | ||
957 | default: | |
958 | BNX2X_ERR("unexpected MC reply (%d) bp->state is %x\n", | |
959 | command, bp->state); | |
960 | break; | |
961 | } | |
962 | mb(); /* force bnx2x_wait_ramrod() to see the change */ | |
963 | } | |
964 | ||
965 | static inline void bnx2x_free_rx_sge(struct bnx2x *bp, | |
966 | struct bnx2x_fastpath *fp, u16 index) | |
967 | { | |
968 | struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; | |
969 | struct page *page = sw_buf->page; | |
970 | struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; | |
971 | ||
972 | /* Skip "next page" elements */ | |
973 | if (!page) | |
974 | return; | |
975 | ||
976 | pci_unmap_page(bp->pdev, pci_unmap_addr(sw_buf, mapping), | |
977 | SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE); | |
978 | __free_pages(page, PAGES_PER_SGE_SHIFT); | |
979 | ||
980 | sw_buf->page = NULL; | |
981 | sge->addr_hi = 0; | |
982 | sge->addr_lo = 0; | |
983 | } | |
984 | ||
985 | static inline void bnx2x_free_rx_sge_range(struct bnx2x *bp, | |
986 | struct bnx2x_fastpath *fp, int last) | |
987 | { | |
988 | int i; | |
989 | ||
990 | for (i = 0; i < last; i++) | |
991 | bnx2x_free_rx_sge(bp, fp, i); | |
992 | } | |
993 | ||
994 | static inline int bnx2x_alloc_rx_sge(struct bnx2x *bp, | |
995 | struct bnx2x_fastpath *fp, u16 index) | |
996 | { | |
997 | struct page *page = alloc_pages(GFP_ATOMIC, PAGES_PER_SGE_SHIFT); | |
998 | struct sw_rx_page *sw_buf = &fp->rx_page_ring[index]; | |
999 | struct eth_rx_sge *sge = &fp->rx_sge_ring[index]; | |
1000 | dma_addr_t mapping; | |
1001 | ||
1002 | if (unlikely(page == NULL)) | |
1003 | return -ENOMEM; | |
1004 | ||
1005 | mapping = pci_map_page(bp->pdev, page, 0, SGE_PAGE_SIZE*PAGES_PER_SGE, | |
1006 | PCI_DMA_FROMDEVICE); | |
1007 | if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { | |
1008 | __free_pages(page, PAGES_PER_SGE_SHIFT); | |
1009 | return -ENOMEM; | |
1010 | } | |
1011 | ||
1012 | sw_buf->page = page; | |
1013 | pci_unmap_addr_set(sw_buf, mapping, mapping); | |
1014 | ||
1015 | sge->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
1016 | sge->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
1017 | ||
1018 | return 0; | |
1019 | } | |
1020 | ||
1021 | static inline int bnx2x_alloc_rx_skb(struct bnx2x *bp, | |
1022 | struct bnx2x_fastpath *fp, u16 index) | |
1023 | { | |
1024 | struct sk_buff *skb; | |
1025 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[index]; | |
1026 | struct eth_rx_bd *rx_bd = &fp->rx_desc_ring[index]; | |
1027 | dma_addr_t mapping; | |
1028 | ||
1029 | skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
1030 | if (unlikely(skb == NULL)) | |
1031 | return -ENOMEM; | |
1032 | ||
1033 | mapping = pci_map_single(bp->pdev, skb->data, bp->rx_buf_size, | |
1034 | PCI_DMA_FROMDEVICE); | |
1035 | if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) { | |
1036 | dev_kfree_skb(skb); | |
1037 | return -ENOMEM; | |
1038 | } | |
1039 | ||
1040 | rx_buf->skb = skb; | |
1041 | pci_unmap_addr_set(rx_buf, mapping, mapping); | |
1042 | ||
1043 | rx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
1044 | rx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
1045 | ||
1046 | return 0; | |
1047 | } | |
1048 | ||
1049 | /* note that we are not allocating a new skb, | |
1050 | * we are just moving one from cons to prod | |
1051 | * we are not creating a new mapping, | |
1052 | * so there is no need to check for dma_mapping_error(). | |
1053 | */ | |
1054 | static void bnx2x_reuse_rx_skb(struct bnx2x_fastpath *fp, | |
1055 | struct sk_buff *skb, u16 cons, u16 prod) | |
1056 | { | |
1057 | struct bnx2x *bp = fp->bp; | |
1058 | struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; | |
1059 | struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; | |
1060 | struct eth_rx_bd *cons_bd = &fp->rx_desc_ring[cons]; | |
1061 | struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; | |
1062 | ||
1063 | pci_dma_sync_single_for_device(bp->pdev, | |
1064 | pci_unmap_addr(cons_rx_buf, mapping), | |
1065 | bp->rx_offset + RX_COPY_THRESH, | |
1066 | PCI_DMA_FROMDEVICE); | |
1067 | ||
1068 | prod_rx_buf->skb = cons_rx_buf->skb; | |
1069 | pci_unmap_addr_set(prod_rx_buf, mapping, | |
1070 | pci_unmap_addr(cons_rx_buf, mapping)); | |
1071 | *prod_bd = *cons_bd; | |
1072 | } | |
1073 | ||
1074 | static inline void bnx2x_update_last_max_sge(struct bnx2x_fastpath *fp, | |
1075 | u16 idx) | |
1076 | { | |
1077 | u16 last_max = fp->last_max_sge; | |
1078 | ||
1079 | if (SUB_S16(idx, last_max) > 0) | |
1080 | fp->last_max_sge = idx; | |
1081 | } | |
1082 | ||
1083 | static void bnx2x_clear_sge_mask_next_elems(struct bnx2x_fastpath *fp) | |
1084 | { | |
1085 | int i, j; | |
1086 | ||
1087 | for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { | |
1088 | int idx = RX_SGE_CNT * i - 1; | |
1089 | ||
1090 | for (j = 0; j < 2; j++) { | |
1091 | SGE_MASK_CLEAR_BIT(fp, idx); | |
1092 | idx--; | |
1093 | } | |
1094 | } | |
1095 | } | |
1096 | ||
1097 | static void bnx2x_update_sge_prod(struct bnx2x_fastpath *fp, | |
1098 | struct eth_fast_path_rx_cqe *fp_cqe) | |
1099 | { | |
1100 | struct bnx2x *bp = fp->bp; | |
1101 | u16 sge_len = SGE_PAGE_ALIGN(le16_to_cpu(fp_cqe->pkt_len) - | |
1102 | le16_to_cpu(fp_cqe->len_on_bd)) >> | |
1103 | SGE_PAGE_SHIFT; | |
1104 | u16 last_max, last_elem, first_elem; | |
1105 | u16 delta = 0; | |
1106 | u16 i; | |
1107 | ||
1108 | if (!sge_len) | |
1109 | return; | |
1110 | ||
1111 | /* First mark all used pages */ | |
1112 | for (i = 0; i < sge_len; i++) | |
1113 | SGE_MASK_CLEAR_BIT(fp, RX_SGE(le16_to_cpu(fp_cqe->sgl[i]))); | |
1114 | ||
1115 | DP(NETIF_MSG_RX_STATUS, "fp_cqe->sgl[%d] = %d\n", | |
1116 | sge_len - 1, le16_to_cpu(fp_cqe->sgl[sge_len - 1])); | |
1117 | ||
1118 | /* Here we assume that the last SGE index is the biggest */ | |
1119 | prefetch((void *)(fp->sge_mask)); | |
1120 | bnx2x_update_last_max_sge(fp, le16_to_cpu(fp_cqe->sgl[sge_len - 1])); | |
1121 | ||
1122 | last_max = RX_SGE(fp->last_max_sge); | |
1123 | last_elem = last_max >> RX_SGE_MASK_ELEM_SHIFT; | |
1124 | first_elem = RX_SGE(fp->rx_sge_prod) >> RX_SGE_MASK_ELEM_SHIFT; | |
1125 | ||
1126 | /* If ring is not full */ | |
1127 | if (last_elem + 1 != first_elem) | |
1128 | last_elem++; | |
1129 | ||
1130 | /* Now update the prod */ | |
1131 | for (i = first_elem; i != last_elem; i = NEXT_SGE_MASK_ELEM(i)) { | |
1132 | if (likely(fp->sge_mask[i])) | |
1133 | break; | |
1134 | ||
1135 | fp->sge_mask[i] = RX_SGE_MASK_ELEM_ONE_MASK; | |
1136 | delta += RX_SGE_MASK_ELEM_SZ; | |
1137 | } | |
1138 | ||
1139 | if (delta > 0) { | |
1140 | fp->rx_sge_prod += delta; | |
1141 | /* clear page-end entries */ | |
1142 | bnx2x_clear_sge_mask_next_elems(fp); | |
1143 | } | |
1144 | ||
1145 | DP(NETIF_MSG_RX_STATUS, | |
1146 | "fp->last_max_sge = %d fp->rx_sge_prod = %d\n", | |
1147 | fp->last_max_sge, fp->rx_sge_prod); | |
1148 | } | |
1149 | ||
1150 | static inline void bnx2x_init_sge_ring_bit_mask(struct bnx2x_fastpath *fp) | |
1151 | { | |
1152 | /* Set the mask to all 1-s: it's faster to compare to 0 than to 0xf-s */ | |
1153 | memset(fp->sge_mask, 0xff, | |
1154 | (NUM_RX_SGE >> RX_SGE_MASK_ELEM_SHIFT)*sizeof(u64)); | |
1155 | ||
1156 | /* Clear the two last indices in the page to 1: | |
1157 | these are the indices that correspond to the "next" element, | |
1158 | hence will never be indicated and should be removed from | |
1159 | the calculations. */ | |
1160 | bnx2x_clear_sge_mask_next_elems(fp); | |
1161 | } | |
1162 | ||
1163 | static void bnx2x_tpa_start(struct bnx2x_fastpath *fp, u16 queue, | |
1164 | struct sk_buff *skb, u16 cons, u16 prod) | |
1165 | { | |
1166 | struct bnx2x *bp = fp->bp; | |
1167 | struct sw_rx_bd *cons_rx_buf = &fp->rx_buf_ring[cons]; | |
1168 | struct sw_rx_bd *prod_rx_buf = &fp->rx_buf_ring[prod]; | |
1169 | struct eth_rx_bd *prod_bd = &fp->rx_desc_ring[prod]; | |
1170 | dma_addr_t mapping; | |
1171 | ||
1172 | /* move empty skb from pool to prod and map it */ | |
1173 | prod_rx_buf->skb = fp->tpa_pool[queue].skb; | |
1174 | mapping = pci_map_single(bp->pdev, fp->tpa_pool[queue].skb->data, | |
1175 | bp->rx_buf_size, PCI_DMA_FROMDEVICE); | |
1176 | pci_unmap_addr_set(prod_rx_buf, mapping, mapping); | |
1177 | ||
1178 | /* move partial skb from cons to pool (don't unmap yet) */ | |
1179 | fp->tpa_pool[queue] = *cons_rx_buf; | |
1180 | ||
1181 | /* mark bin state as start - print error if current state != stop */ | |
1182 | if (fp->tpa_state[queue] != BNX2X_TPA_STOP) | |
1183 | BNX2X_ERR("start of bin not in stop [%d]\n", queue); | |
1184 | ||
1185 | fp->tpa_state[queue] = BNX2X_TPA_START; | |
1186 | ||
1187 | /* point prod_bd to new skb */ | |
1188 | prod_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
1189 | prod_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
1190 | ||
1191 | #ifdef BNX2X_STOP_ON_ERROR | |
1192 | fp->tpa_queue_used |= (1 << queue); | |
1193 | #ifdef __powerpc64__ | |
1194 | DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%lx\n", | |
1195 | #else | |
1196 | DP(NETIF_MSG_RX_STATUS, "fp->tpa_queue_used = 0x%llx\n", | |
1197 | #endif | |
1198 | fp->tpa_queue_used); | |
1199 | #endif | |
1200 | } | |
1201 | ||
1202 | static int bnx2x_fill_frag_skb(struct bnx2x *bp, struct bnx2x_fastpath *fp, | |
1203 | struct sk_buff *skb, | |
1204 | struct eth_fast_path_rx_cqe *fp_cqe, | |
1205 | u16 cqe_idx) | |
1206 | { | |
1207 | struct sw_rx_page *rx_pg, old_rx_pg; | |
1208 | u16 len_on_bd = le16_to_cpu(fp_cqe->len_on_bd); | |
1209 | u32 i, frag_len, frag_size, pages; | |
1210 | int err; | |
1211 | int j; | |
1212 | ||
1213 | frag_size = le16_to_cpu(fp_cqe->pkt_len) - len_on_bd; | |
1214 | pages = SGE_PAGE_ALIGN(frag_size) >> SGE_PAGE_SHIFT; | |
1215 | ||
1216 | /* This is needed in order to enable forwarding support */ | |
1217 | if (frag_size) | |
1218 | skb_shinfo(skb)->gso_size = min((u32)SGE_PAGE_SIZE, | |
1219 | max(frag_size, (u32)len_on_bd)); | |
1220 | ||
1221 | #ifdef BNX2X_STOP_ON_ERROR | |
1222 | if (pages > | |
1223 | min((u32)8, (u32)MAX_SKB_FRAGS) * SGE_PAGE_SIZE * PAGES_PER_SGE) { | |
1224 | BNX2X_ERR("SGL length is too long: %d. CQE index is %d\n", | |
1225 | pages, cqe_idx); | |
1226 | BNX2X_ERR("fp_cqe->pkt_len = %d fp_cqe->len_on_bd = %d\n", | |
1227 | fp_cqe->pkt_len, len_on_bd); | |
1228 | bnx2x_panic(); | |
1229 | return -EINVAL; | |
1230 | } | |
1231 | #endif | |
1232 | ||
1233 | /* Run through the SGL and compose the fragmented skb */ | |
1234 | for (i = 0, j = 0; i < pages; i += PAGES_PER_SGE, j++) { | |
1235 | u16 sge_idx = RX_SGE(le16_to_cpu(fp_cqe->sgl[j])); | |
1236 | ||
1237 | /* FW gives the indices of the SGE as if the ring is an array | |
1238 | (meaning that "next" element will consume 2 indices) */ | |
1239 | frag_len = min(frag_size, (u32)(SGE_PAGE_SIZE*PAGES_PER_SGE)); | |
1240 | rx_pg = &fp->rx_page_ring[sge_idx]; | |
1241 | old_rx_pg = *rx_pg; | |
1242 | ||
1243 | /* If we fail to allocate a substitute page, we simply stop | |
1244 | where we are and drop the whole packet */ | |
1245 | err = bnx2x_alloc_rx_sge(bp, fp, sge_idx); | |
1246 | if (unlikely(err)) { | |
1247 | bp->eth_stats.rx_skb_alloc_failed++; | |
1248 | return err; | |
1249 | } | |
1250 | ||
1251 | /* Unmap the page as we r going to pass it to the stack */ | |
1252 | pci_unmap_page(bp->pdev, pci_unmap_addr(&old_rx_pg, mapping), | |
1253 | SGE_PAGE_SIZE*PAGES_PER_SGE, PCI_DMA_FROMDEVICE); | |
1254 | ||
1255 | /* Add one frag and update the appropriate fields in the skb */ | |
1256 | skb_fill_page_desc(skb, j, old_rx_pg.page, 0, frag_len); | |
1257 | ||
1258 | skb->data_len += frag_len; | |
1259 | skb->truesize += frag_len; | |
1260 | skb->len += frag_len; | |
1261 | ||
1262 | frag_size -= frag_len; | |
1263 | } | |
1264 | ||
1265 | return 0; | |
1266 | } | |
1267 | ||
1268 | static void bnx2x_tpa_stop(struct bnx2x *bp, struct bnx2x_fastpath *fp, | |
1269 | u16 queue, int pad, int len, union eth_rx_cqe *cqe, | |
1270 | u16 cqe_idx) | |
1271 | { | |
1272 | struct sw_rx_bd *rx_buf = &fp->tpa_pool[queue]; | |
1273 | struct sk_buff *skb = rx_buf->skb; | |
1274 | /* alloc new skb */ | |
1275 | struct sk_buff *new_skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
1276 | ||
1277 | /* Unmap skb in the pool anyway, as we are going to change | |
1278 | pool entry status to BNX2X_TPA_STOP even if new skb allocation | |
1279 | fails. */ | |
1280 | pci_unmap_single(bp->pdev, pci_unmap_addr(rx_buf, mapping), | |
1281 | bp->rx_buf_size, PCI_DMA_FROMDEVICE); | |
1282 | ||
1283 | if (likely(new_skb)) { | |
1284 | /* fix ip xsum and give it to the stack */ | |
1285 | /* (no need to map the new skb) */ | |
1286 | ||
1287 | prefetch(skb); | |
1288 | prefetch(((char *)(skb)) + 128); | |
1289 | ||
1290 | #ifdef BNX2X_STOP_ON_ERROR | |
1291 | if (pad + len > bp->rx_buf_size) { | |
1292 | BNX2X_ERR("skb_put is about to fail... " | |
1293 | "pad %d len %d rx_buf_size %d\n", | |
1294 | pad, len, bp->rx_buf_size); | |
1295 | bnx2x_panic(); | |
1296 | return; | |
1297 | } | |
1298 | #endif | |
1299 | ||
1300 | skb_reserve(skb, pad); | |
1301 | skb_put(skb, len); | |
1302 | ||
1303 | skb->protocol = eth_type_trans(skb, bp->dev); | |
1304 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1305 | ||
1306 | { | |
1307 | struct iphdr *iph; | |
1308 | ||
1309 | iph = (struct iphdr *)skb->data; | |
1310 | iph->check = 0; | |
1311 | iph->check = ip_fast_csum((u8 *)iph, iph->ihl); | |
1312 | } | |
1313 | ||
1314 | if (!bnx2x_fill_frag_skb(bp, fp, skb, | |
1315 | &cqe->fast_path_cqe, cqe_idx)) { | |
1316 | #ifdef BCM_VLAN | |
1317 | if ((bp->vlgrp != NULL) && | |
1318 | (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) & | |
1319 | PARSING_FLAGS_VLAN)) | |
1320 | vlan_hwaccel_receive_skb(skb, bp->vlgrp, | |
1321 | le16_to_cpu(cqe->fast_path_cqe. | |
1322 | vlan_tag)); | |
1323 | else | |
1324 | #endif | |
1325 | netif_receive_skb(skb); | |
1326 | } else { | |
1327 | DP(NETIF_MSG_RX_STATUS, "Failed to allocate new pages" | |
1328 | " - dropping packet!\n"); | |
1329 | dev_kfree_skb(skb); | |
1330 | } | |
1331 | ||
1332 | ||
1333 | /* put new skb in bin */ | |
1334 | fp->tpa_pool[queue].skb = new_skb; | |
1335 | ||
1336 | } else { | |
1337 | /* else drop the packet and keep the buffer in the bin */ | |
1338 | DP(NETIF_MSG_RX_STATUS, | |
1339 | "Failed to allocate new skb - dropping packet!\n"); | |
1340 | bp->eth_stats.rx_skb_alloc_failed++; | |
1341 | } | |
1342 | ||
1343 | fp->tpa_state[queue] = BNX2X_TPA_STOP; | |
1344 | } | |
1345 | ||
1346 | static inline void bnx2x_update_rx_prod(struct bnx2x *bp, | |
1347 | struct bnx2x_fastpath *fp, | |
1348 | u16 bd_prod, u16 rx_comp_prod, | |
1349 | u16 rx_sge_prod) | |
1350 | { | |
1351 | struct tstorm_eth_rx_producers rx_prods = {0}; | |
1352 | int i; | |
1353 | ||
1354 | /* Update producers */ | |
1355 | rx_prods.bd_prod = bd_prod; | |
1356 | rx_prods.cqe_prod = rx_comp_prod; | |
1357 | rx_prods.sge_prod = rx_sge_prod; | |
1358 | ||
1359 | /* | |
1360 | * Make sure that the BD and SGE data is updated before updating the | |
1361 | * producers since FW might read the BD/SGE right after the producer | |
1362 | * is updated. | |
1363 | * This is only applicable for weak-ordered memory model archs such | |
1364 | * as IA-64. The following barrier is also mandatory since FW will | |
1365 | * assumes BDs must have buffers. | |
1366 | */ | |
1367 | wmb(); | |
1368 | ||
1369 | for (i = 0; i < sizeof(struct tstorm_eth_rx_producers)/4; i++) | |
1370 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
1371 | TSTORM_RX_PRODS_OFFSET(BP_PORT(bp), FP_CL_ID(fp)) + i*4, | |
1372 | ((u32 *)&rx_prods)[i]); | |
1373 | ||
1374 | mmiowb(); /* keep prod updates ordered */ | |
1375 | ||
1376 | DP(NETIF_MSG_RX_STATUS, | |
1377 | "Wrote: bd_prod %u cqe_prod %u sge_prod %u\n", | |
1378 | bd_prod, rx_comp_prod, rx_sge_prod); | |
1379 | } | |
1380 | ||
1381 | static int bnx2x_rx_int(struct bnx2x_fastpath *fp, int budget) | |
1382 | { | |
1383 | struct bnx2x *bp = fp->bp; | |
1384 | u16 bd_cons, bd_prod, bd_prod_fw, comp_ring_cons; | |
1385 | u16 hw_comp_cons, sw_comp_cons, sw_comp_prod; | |
1386 | int rx_pkt = 0; | |
1387 | ||
1388 | #ifdef BNX2X_STOP_ON_ERROR | |
1389 | if (unlikely(bp->panic)) | |
1390 | return 0; | |
1391 | #endif | |
1392 | ||
1393 | /* CQ "next element" is of the size of the regular element, | |
1394 | that's why it's ok here */ | |
1395 | hw_comp_cons = le16_to_cpu(*fp->rx_cons_sb); | |
1396 | if ((hw_comp_cons & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
1397 | hw_comp_cons++; | |
1398 | ||
1399 | bd_cons = fp->rx_bd_cons; | |
1400 | bd_prod = fp->rx_bd_prod; | |
1401 | bd_prod_fw = bd_prod; | |
1402 | sw_comp_cons = fp->rx_comp_cons; | |
1403 | sw_comp_prod = fp->rx_comp_prod; | |
1404 | ||
1405 | /* Memory barrier necessary as speculative reads of the rx | |
1406 | * buffer can be ahead of the index in the status block | |
1407 | */ | |
1408 | rmb(); | |
1409 | ||
1410 | DP(NETIF_MSG_RX_STATUS, | |
1411 | "queue[%d]: hw_comp_cons %u sw_comp_cons %u\n", | |
1412 | FP_IDX(fp), hw_comp_cons, sw_comp_cons); | |
1413 | ||
1414 | while (sw_comp_cons != hw_comp_cons) { | |
1415 | struct sw_rx_bd *rx_buf = NULL; | |
1416 | struct sk_buff *skb; | |
1417 | union eth_rx_cqe *cqe; | |
1418 | u8 cqe_fp_flags; | |
1419 | u16 len, pad; | |
1420 | ||
1421 | comp_ring_cons = RCQ_BD(sw_comp_cons); | |
1422 | bd_prod = RX_BD(bd_prod); | |
1423 | bd_cons = RX_BD(bd_cons); | |
1424 | ||
1425 | cqe = &fp->rx_comp_ring[comp_ring_cons]; | |
1426 | cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; | |
1427 | ||
1428 | DP(NETIF_MSG_RX_STATUS, "CQE type %x err %x status %x" | |
1429 | " queue %x vlan %x len %u\n", CQE_TYPE(cqe_fp_flags), | |
1430 | cqe_fp_flags, cqe->fast_path_cqe.status_flags, | |
1431 | cqe->fast_path_cqe.rss_hash_result, | |
1432 | le16_to_cpu(cqe->fast_path_cqe.vlan_tag), | |
1433 | le16_to_cpu(cqe->fast_path_cqe.pkt_len)); | |
1434 | ||
1435 | /* is this a slowpath msg? */ | |
1436 | if (unlikely(CQE_TYPE(cqe_fp_flags))) { | |
1437 | bnx2x_sp_event(fp, cqe); | |
1438 | goto next_cqe; | |
1439 | ||
1440 | /* this is an rx packet */ | |
1441 | } else { | |
1442 | rx_buf = &fp->rx_buf_ring[bd_cons]; | |
1443 | skb = rx_buf->skb; | |
1444 | len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); | |
1445 | pad = cqe->fast_path_cqe.placement_offset; | |
1446 | ||
1447 | /* If CQE is marked both TPA_START and TPA_END | |
1448 | it is a non-TPA CQE */ | |
1449 | if ((!fp->disable_tpa) && | |
1450 | (TPA_TYPE(cqe_fp_flags) != | |
1451 | (TPA_TYPE_START | TPA_TYPE_END))) { | |
1452 | u16 queue = cqe->fast_path_cqe.queue_index; | |
1453 | ||
1454 | if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_START) { | |
1455 | DP(NETIF_MSG_RX_STATUS, | |
1456 | "calling tpa_start on queue %d\n", | |
1457 | queue); | |
1458 | ||
1459 | bnx2x_tpa_start(fp, queue, skb, | |
1460 | bd_cons, bd_prod); | |
1461 | goto next_rx; | |
1462 | } | |
1463 | ||
1464 | if (TPA_TYPE(cqe_fp_flags) == TPA_TYPE_END) { | |
1465 | DP(NETIF_MSG_RX_STATUS, | |
1466 | "calling tpa_stop on queue %d\n", | |
1467 | queue); | |
1468 | ||
1469 | if (!BNX2X_RX_SUM_FIX(cqe)) | |
1470 | BNX2X_ERR("STOP on none TCP " | |
1471 | "data\n"); | |
1472 | ||
1473 | /* This is a size of the linear data | |
1474 | on this skb */ | |
1475 | len = le16_to_cpu(cqe->fast_path_cqe. | |
1476 | len_on_bd); | |
1477 | bnx2x_tpa_stop(bp, fp, queue, pad, | |
1478 | len, cqe, comp_ring_cons); | |
1479 | #ifdef BNX2X_STOP_ON_ERROR | |
1480 | if (bp->panic) | |
1481 | return -EINVAL; | |
1482 | #endif | |
1483 | ||
1484 | bnx2x_update_sge_prod(fp, | |
1485 | &cqe->fast_path_cqe); | |
1486 | goto next_cqe; | |
1487 | } | |
1488 | } | |
1489 | ||
1490 | pci_dma_sync_single_for_device(bp->pdev, | |
1491 | pci_unmap_addr(rx_buf, mapping), | |
1492 | pad + RX_COPY_THRESH, | |
1493 | PCI_DMA_FROMDEVICE); | |
1494 | prefetch(skb); | |
1495 | prefetch(((char *)(skb)) + 128); | |
1496 | ||
1497 | /* is this an error packet? */ | |
1498 | if (unlikely(cqe_fp_flags & ETH_RX_ERROR_FALGS)) { | |
1499 | DP(NETIF_MSG_RX_ERR, | |
1500 | "ERROR flags %x rx packet %u\n", | |
1501 | cqe_fp_flags, sw_comp_cons); | |
1502 | bp->eth_stats.rx_err_discard_pkt++; | |
1503 | goto reuse_rx; | |
1504 | } | |
1505 | ||
1506 | /* Since we don't have a jumbo ring | |
1507 | * copy small packets if mtu > 1500 | |
1508 | */ | |
1509 | if ((bp->dev->mtu > ETH_MAX_PACKET_SIZE) && | |
1510 | (len <= RX_COPY_THRESH)) { | |
1511 | struct sk_buff *new_skb; | |
1512 | ||
1513 | new_skb = netdev_alloc_skb(bp->dev, | |
1514 | len + pad); | |
1515 | if (new_skb == NULL) { | |
1516 | DP(NETIF_MSG_RX_ERR, | |
1517 | "ERROR packet dropped " | |
1518 | "because of alloc failure\n"); | |
1519 | bp->eth_stats.rx_skb_alloc_failed++; | |
1520 | goto reuse_rx; | |
1521 | } | |
1522 | ||
1523 | /* aligned copy */ | |
1524 | skb_copy_from_linear_data_offset(skb, pad, | |
1525 | new_skb->data + pad, len); | |
1526 | skb_reserve(new_skb, pad); | |
1527 | skb_put(new_skb, len); | |
1528 | ||
1529 | bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); | |
1530 | ||
1531 | skb = new_skb; | |
1532 | ||
1533 | } else if (bnx2x_alloc_rx_skb(bp, fp, bd_prod) == 0) { | |
1534 | pci_unmap_single(bp->pdev, | |
1535 | pci_unmap_addr(rx_buf, mapping), | |
1536 | bp->rx_buf_size, | |
1537 | PCI_DMA_FROMDEVICE); | |
1538 | skb_reserve(skb, pad); | |
1539 | skb_put(skb, len); | |
1540 | ||
1541 | } else { | |
1542 | DP(NETIF_MSG_RX_ERR, | |
1543 | "ERROR packet dropped because " | |
1544 | "of alloc failure\n"); | |
1545 | bp->eth_stats.rx_skb_alloc_failed++; | |
1546 | reuse_rx: | |
1547 | bnx2x_reuse_rx_skb(fp, skb, bd_cons, bd_prod); | |
1548 | goto next_rx; | |
1549 | } | |
1550 | ||
1551 | skb->protocol = eth_type_trans(skb, bp->dev); | |
1552 | ||
1553 | skb->ip_summed = CHECKSUM_NONE; | |
1554 | if (bp->rx_csum) { | |
1555 | if (likely(BNX2X_RX_CSUM_OK(cqe))) | |
1556 | skb->ip_summed = CHECKSUM_UNNECESSARY; | |
1557 | else | |
1558 | bp->eth_stats.hw_csum_err++; | |
1559 | } | |
1560 | } | |
1561 | ||
1562 | #ifdef BCM_VLAN | |
1563 | if ((bp->vlgrp != NULL) && | |
1564 | (le16_to_cpu(cqe->fast_path_cqe.pars_flags.flags) & | |
1565 | PARSING_FLAGS_VLAN)) | |
1566 | vlan_hwaccel_receive_skb(skb, bp->vlgrp, | |
1567 | le16_to_cpu(cqe->fast_path_cqe.vlan_tag)); | |
1568 | else | |
1569 | #endif | |
1570 | netif_receive_skb(skb); | |
1571 | ||
1572 | ||
1573 | next_rx: | |
1574 | rx_buf->skb = NULL; | |
1575 | ||
1576 | bd_cons = NEXT_RX_IDX(bd_cons); | |
1577 | bd_prod = NEXT_RX_IDX(bd_prod); | |
1578 | bd_prod_fw = NEXT_RX_IDX(bd_prod_fw); | |
1579 | rx_pkt++; | |
1580 | next_cqe: | |
1581 | sw_comp_prod = NEXT_RCQ_IDX(sw_comp_prod); | |
1582 | sw_comp_cons = NEXT_RCQ_IDX(sw_comp_cons); | |
1583 | ||
1584 | if (rx_pkt == budget) | |
1585 | break; | |
1586 | } /* while */ | |
1587 | ||
1588 | fp->rx_bd_cons = bd_cons; | |
1589 | fp->rx_bd_prod = bd_prod_fw; | |
1590 | fp->rx_comp_cons = sw_comp_cons; | |
1591 | fp->rx_comp_prod = sw_comp_prod; | |
1592 | ||
1593 | /* Update producers */ | |
1594 | bnx2x_update_rx_prod(bp, fp, bd_prod_fw, sw_comp_prod, | |
1595 | fp->rx_sge_prod); | |
1596 | ||
1597 | fp->rx_pkt += rx_pkt; | |
1598 | fp->rx_calls++; | |
1599 | ||
1600 | return rx_pkt; | |
1601 | } | |
1602 | ||
1603 | static irqreturn_t bnx2x_msix_fp_int(int irq, void *fp_cookie) | |
1604 | { | |
1605 | struct bnx2x_fastpath *fp = fp_cookie; | |
1606 | struct bnx2x *bp = fp->bp; | |
1607 | int index = FP_IDX(fp); | |
1608 | ||
1609 | /* Return here if interrupt is disabled */ | |
1610 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
1611 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
1612 | return IRQ_HANDLED; | |
1613 | } | |
1614 | ||
1615 | DP(BNX2X_MSG_FP, "got an MSI-X interrupt on IDX:SB [%d:%d]\n", | |
1616 | index, FP_SB_ID(fp)); | |
1617 | bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, 0, IGU_INT_DISABLE, 0); | |
1618 | ||
1619 | #ifdef BNX2X_STOP_ON_ERROR | |
1620 | if (unlikely(bp->panic)) | |
1621 | return IRQ_HANDLED; | |
1622 | #endif | |
1623 | ||
1624 | prefetch(fp->rx_cons_sb); | |
1625 | prefetch(fp->tx_cons_sb); | |
1626 | prefetch(&fp->status_blk->c_status_block.status_block_index); | |
1627 | prefetch(&fp->status_blk->u_status_block.status_block_index); | |
1628 | ||
1629 | netif_rx_schedule(&bnx2x_fp(bp, index, napi)); | |
1630 | ||
1631 | return IRQ_HANDLED; | |
1632 | } | |
1633 | ||
1634 | static irqreturn_t bnx2x_interrupt(int irq, void *dev_instance) | |
1635 | { | |
1636 | struct net_device *dev = dev_instance; | |
1637 | struct bnx2x *bp = netdev_priv(dev); | |
1638 | u16 status = bnx2x_ack_int(bp); | |
1639 | u16 mask; | |
1640 | ||
1641 | /* Return here if interrupt is shared and it's not for us */ | |
1642 | if (unlikely(status == 0)) { | |
1643 | DP(NETIF_MSG_INTR, "not our interrupt!\n"); | |
1644 | return IRQ_NONE; | |
1645 | } | |
1646 | DP(NETIF_MSG_INTR, "got an interrupt status %u\n", status); | |
1647 | ||
1648 | /* Return here if interrupt is disabled */ | |
1649 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
1650 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
1651 | return IRQ_HANDLED; | |
1652 | } | |
1653 | ||
1654 | #ifdef BNX2X_STOP_ON_ERROR | |
1655 | if (unlikely(bp->panic)) | |
1656 | return IRQ_HANDLED; | |
1657 | #endif | |
1658 | ||
1659 | mask = 0x2 << bp->fp[0].sb_id; | |
1660 | if (status & mask) { | |
1661 | struct bnx2x_fastpath *fp = &bp->fp[0]; | |
1662 | ||
1663 | prefetch(fp->rx_cons_sb); | |
1664 | prefetch(fp->tx_cons_sb); | |
1665 | prefetch(&fp->status_blk->c_status_block.status_block_index); | |
1666 | prefetch(&fp->status_blk->u_status_block.status_block_index); | |
1667 | ||
1668 | netif_rx_schedule(&bnx2x_fp(bp, 0, napi)); | |
1669 | ||
1670 | status &= ~mask; | |
1671 | } | |
1672 | ||
1673 | ||
1674 | if (unlikely(status & 0x1)) { | |
1675 | queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); | |
1676 | ||
1677 | status &= ~0x1; | |
1678 | if (!status) | |
1679 | return IRQ_HANDLED; | |
1680 | } | |
1681 | ||
1682 | if (status) | |
1683 | DP(NETIF_MSG_INTR, "got an unknown interrupt! (status %u)\n", | |
1684 | status); | |
1685 | ||
1686 | return IRQ_HANDLED; | |
1687 | } | |
1688 | ||
1689 | /* end of fast path */ | |
1690 | ||
1691 | static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event); | |
1692 | ||
1693 | /* Link */ | |
1694 | ||
1695 | /* | |
1696 | * General service functions | |
1697 | */ | |
1698 | ||
1699 | static int bnx2x_acquire_hw_lock(struct bnx2x *bp, u32 resource) | |
1700 | { | |
1701 | u32 lock_status; | |
1702 | u32 resource_bit = (1 << resource); | |
1703 | int func = BP_FUNC(bp); | |
1704 | u32 hw_lock_control_reg; | |
1705 | int cnt; | |
1706 | ||
1707 | /* Validating that the resource is within range */ | |
1708 | if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { | |
1709 | DP(NETIF_MSG_HW, | |
1710 | "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", | |
1711 | resource, HW_LOCK_MAX_RESOURCE_VALUE); | |
1712 | return -EINVAL; | |
1713 | } | |
1714 | ||
1715 | if (func <= 5) { | |
1716 | hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8); | |
1717 | } else { | |
1718 | hw_lock_control_reg = | |
1719 | (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8); | |
1720 | } | |
1721 | ||
1722 | /* Validating that the resource is not already taken */ | |
1723 | lock_status = REG_RD(bp, hw_lock_control_reg); | |
1724 | if (lock_status & resource_bit) { | |
1725 | DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", | |
1726 | lock_status, resource_bit); | |
1727 | return -EEXIST; | |
1728 | } | |
1729 | ||
1730 | /* Try for 5 second every 5ms */ | |
1731 | for (cnt = 0; cnt < 1000; cnt++) { | |
1732 | /* Try to acquire the lock */ | |
1733 | REG_WR(bp, hw_lock_control_reg + 4, resource_bit); | |
1734 | lock_status = REG_RD(bp, hw_lock_control_reg); | |
1735 | if (lock_status & resource_bit) | |
1736 | return 0; | |
1737 | ||
1738 | msleep(5); | |
1739 | } | |
1740 | DP(NETIF_MSG_HW, "Timeout\n"); | |
1741 | return -EAGAIN; | |
1742 | } | |
1743 | ||
1744 | static int bnx2x_release_hw_lock(struct bnx2x *bp, u32 resource) | |
1745 | { | |
1746 | u32 lock_status; | |
1747 | u32 resource_bit = (1 << resource); | |
1748 | int func = BP_FUNC(bp); | |
1749 | u32 hw_lock_control_reg; | |
1750 | ||
1751 | /* Validating that the resource is within range */ | |
1752 | if (resource > HW_LOCK_MAX_RESOURCE_VALUE) { | |
1753 | DP(NETIF_MSG_HW, | |
1754 | "resource(0x%x) > HW_LOCK_MAX_RESOURCE_VALUE(0x%x)\n", | |
1755 | resource, HW_LOCK_MAX_RESOURCE_VALUE); | |
1756 | return -EINVAL; | |
1757 | } | |
1758 | ||
1759 | if (func <= 5) { | |
1760 | hw_lock_control_reg = (MISC_REG_DRIVER_CONTROL_1 + func*8); | |
1761 | } else { | |
1762 | hw_lock_control_reg = | |
1763 | (MISC_REG_DRIVER_CONTROL_7 + (func - 6)*8); | |
1764 | } | |
1765 | ||
1766 | /* Validating that the resource is currently taken */ | |
1767 | lock_status = REG_RD(bp, hw_lock_control_reg); | |
1768 | if (!(lock_status & resource_bit)) { | |
1769 | DP(NETIF_MSG_HW, "lock_status 0x%x resource_bit 0x%x\n", | |
1770 | lock_status, resource_bit); | |
1771 | return -EFAULT; | |
1772 | } | |
1773 | ||
1774 | REG_WR(bp, hw_lock_control_reg, resource_bit); | |
1775 | return 0; | |
1776 | } | |
1777 | ||
1778 | /* HW Lock for shared dual port PHYs */ | |
1779 | static void bnx2x_acquire_phy_lock(struct bnx2x *bp) | |
1780 | { | |
1781 | u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
1782 | ||
1783 | mutex_lock(&bp->port.phy_mutex); | |
1784 | ||
1785 | if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) || | |
1786 | (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)) | |
1787 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); | |
1788 | } | |
1789 | ||
1790 | static void bnx2x_release_phy_lock(struct bnx2x *bp) | |
1791 | { | |
1792 | u32 ext_phy_type = XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
1793 | ||
1794 | if ((ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072) || | |
1795 | (ext_phy_type == PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073)) | |
1796 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_8072_MDIO); | |
1797 | ||
1798 | mutex_unlock(&bp->port.phy_mutex); | |
1799 | } | |
1800 | ||
1801 | int bnx2x_set_gpio(struct bnx2x *bp, int gpio_num, u32 mode, u8 port) | |
1802 | { | |
1803 | /* The GPIO should be swapped if swap register is set and active */ | |
1804 | int gpio_port = (REG_RD(bp, NIG_REG_PORT_SWAP) && | |
1805 | REG_RD(bp, NIG_REG_STRAP_OVERRIDE)) ^ port; | |
1806 | int gpio_shift = gpio_num + | |
1807 | (gpio_port ? MISC_REGISTERS_GPIO_PORT_SHIFT : 0); | |
1808 | u32 gpio_mask = (1 << gpio_shift); | |
1809 | u32 gpio_reg; | |
1810 | ||
1811 | if (gpio_num > MISC_REGISTERS_GPIO_3) { | |
1812 | BNX2X_ERR("Invalid GPIO %d\n", gpio_num); | |
1813 | return -EINVAL; | |
1814 | } | |
1815 | ||
1816 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); | |
1817 | /* read GPIO and mask except the float bits */ | |
1818 | gpio_reg = (REG_RD(bp, MISC_REG_GPIO) & MISC_REGISTERS_GPIO_FLOAT); | |
1819 | ||
1820 | switch (mode) { | |
1821 | case MISC_REGISTERS_GPIO_OUTPUT_LOW: | |
1822 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output low\n", | |
1823 | gpio_num, gpio_shift); | |
1824 | /* clear FLOAT and set CLR */ | |
1825 | gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
1826 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_CLR_POS); | |
1827 | break; | |
1828 | ||
1829 | case MISC_REGISTERS_GPIO_OUTPUT_HIGH: | |
1830 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> output high\n", | |
1831 | gpio_num, gpio_shift); | |
1832 | /* clear FLOAT and set SET */ | |
1833 | gpio_reg &= ~(gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
1834 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_SET_POS); | |
1835 | break; | |
1836 | ||
1837 | case MISC_REGISTERS_GPIO_INPUT_HI_Z: | |
1838 | DP(NETIF_MSG_LINK, "Set GPIO %d (shift %d) -> input\n", | |
1839 | gpio_num, gpio_shift); | |
1840 | /* set FLOAT */ | |
1841 | gpio_reg |= (gpio_mask << MISC_REGISTERS_GPIO_FLOAT_POS); | |
1842 | break; | |
1843 | ||
1844 | default: | |
1845 | break; | |
1846 | } | |
1847 | ||
1848 | REG_WR(bp, MISC_REG_GPIO, gpio_reg); | |
1849 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_GPIO); | |
1850 | ||
1851 | return 0; | |
1852 | } | |
1853 | ||
1854 | static int bnx2x_set_spio(struct bnx2x *bp, int spio_num, u32 mode) | |
1855 | { | |
1856 | u32 spio_mask = (1 << spio_num); | |
1857 | u32 spio_reg; | |
1858 | ||
1859 | if ((spio_num < MISC_REGISTERS_SPIO_4) || | |
1860 | (spio_num > MISC_REGISTERS_SPIO_7)) { | |
1861 | BNX2X_ERR("Invalid SPIO %d\n", spio_num); | |
1862 | return -EINVAL; | |
1863 | } | |
1864 | ||
1865 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); | |
1866 | /* read SPIO and mask except the float bits */ | |
1867 | spio_reg = (REG_RD(bp, MISC_REG_SPIO) & MISC_REGISTERS_SPIO_FLOAT); | |
1868 | ||
1869 | switch (mode) { | |
1870 | case MISC_REGISTERS_SPIO_OUTPUT_LOW: | |
1871 | DP(NETIF_MSG_LINK, "Set SPIO %d -> output low\n", spio_num); | |
1872 | /* clear FLOAT and set CLR */ | |
1873 | spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
1874 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_CLR_POS); | |
1875 | break; | |
1876 | ||
1877 | case MISC_REGISTERS_SPIO_OUTPUT_HIGH: | |
1878 | DP(NETIF_MSG_LINK, "Set SPIO %d -> output high\n", spio_num); | |
1879 | /* clear FLOAT and set SET */ | |
1880 | spio_reg &= ~(spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
1881 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_SET_POS); | |
1882 | break; | |
1883 | ||
1884 | case MISC_REGISTERS_SPIO_INPUT_HI_Z: | |
1885 | DP(NETIF_MSG_LINK, "Set SPIO %d -> input\n", spio_num); | |
1886 | /* set FLOAT */ | |
1887 | spio_reg |= (spio_mask << MISC_REGISTERS_SPIO_FLOAT_POS); | |
1888 | break; | |
1889 | ||
1890 | default: | |
1891 | break; | |
1892 | } | |
1893 | ||
1894 | REG_WR(bp, MISC_REG_SPIO, spio_reg); | |
1895 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_SPIO); | |
1896 | ||
1897 | return 0; | |
1898 | } | |
1899 | ||
1900 | static void bnx2x_calc_fc_adv(struct bnx2x *bp) | |
1901 | { | |
1902 | switch (bp->link_vars.ieee_fc) { | |
1903 | case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_NONE: | |
1904 | bp->port.advertising &= ~(ADVERTISED_Asym_Pause | | |
1905 | ADVERTISED_Pause); | |
1906 | break; | |
1907 | case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_BOTH: | |
1908 | bp->port.advertising |= (ADVERTISED_Asym_Pause | | |
1909 | ADVERTISED_Pause); | |
1910 | break; | |
1911 | case MDIO_COMBO_IEEE0_AUTO_NEG_ADV_PAUSE_ASYMMETRIC: | |
1912 | bp->port.advertising |= ADVERTISED_Asym_Pause; | |
1913 | break; | |
1914 | default: | |
1915 | bp->port.advertising &= ~(ADVERTISED_Asym_Pause | | |
1916 | ADVERTISED_Pause); | |
1917 | break; | |
1918 | } | |
1919 | } | |
1920 | ||
1921 | static void bnx2x_link_report(struct bnx2x *bp) | |
1922 | { | |
1923 | if (bp->link_vars.link_up) { | |
1924 | if (bp->state == BNX2X_STATE_OPEN) | |
1925 | netif_carrier_on(bp->dev); | |
1926 | printk(KERN_INFO PFX "%s NIC Link is Up, ", bp->dev->name); | |
1927 | ||
1928 | printk("%d Mbps ", bp->link_vars.line_speed); | |
1929 | ||
1930 | if (bp->link_vars.duplex == DUPLEX_FULL) | |
1931 | printk("full duplex"); | |
1932 | else | |
1933 | printk("half duplex"); | |
1934 | ||
1935 | if (bp->link_vars.flow_ctrl != BNX2X_FLOW_CTRL_NONE) { | |
1936 | if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) { | |
1937 | printk(", receive "); | |
1938 | if (bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) | |
1939 | printk("& transmit "); | |
1940 | } else { | |
1941 | printk(", transmit "); | |
1942 | } | |
1943 | printk("flow control ON"); | |
1944 | } | |
1945 | printk("\n"); | |
1946 | ||
1947 | } else { /* link_down */ | |
1948 | netif_carrier_off(bp->dev); | |
1949 | printk(KERN_ERR PFX "%s NIC Link is Down\n", bp->dev->name); | |
1950 | } | |
1951 | } | |
1952 | ||
1953 | static u8 bnx2x_initial_phy_init(struct bnx2x *bp) | |
1954 | { | |
1955 | if (!BP_NOMCP(bp)) { | |
1956 | u8 rc; | |
1957 | ||
1958 | /* Initialize link parameters structure variables */ | |
1959 | /* It is recommended to turn off RX FC for jumbo frames | |
1960 | for better performance */ | |
1961 | if (IS_E1HMF(bp)) | |
1962 | bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH; | |
1963 | else if (bp->dev->mtu > 5000) | |
1964 | bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_TX; | |
1965 | else | |
1966 | bp->link_params.req_fc_auto_adv = BNX2X_FLOW_CTRL_BOTH; | |
1967 | ||
1968 | bnx2x_acquire_phy_lock(bp); | |
1969 | rc = bnx2x_phy_init(&bp->link_params, &bp->link_vars); | |
1970 | bnx2x_release_phy_lock(bp); | |
1971 | ||
1972 | if (bp->link_vars.link_up) | |
1973 | bnx2x_link_report(bp); | |
1974 | ||
1975 | bnx2x_calc_fc_adv(bp); | |
1976 | ||
1977 | return rc; | |
1978 | } | |
1979 | BNX2X_ERR("Bootcode is missing -not initializing link\n"); | |
1980 | return -EINVAL; | |
1981 | } | |
1982 | ||
1983 | static void bnx2x_link_set(struct bnx2x *bp) | |
1984 | { | |
1985 | if (!BP_NOMCP(bp)) { | |
1986 | bnx2x_acquire_phy_lock(bp); | |
1987 | bnx2x_phy_init(&bp->link_params, &bp->link_vars); | |
1988 | bnx2x_release_phy_lock(bp); | |
1989 | ||
1990 | bnx2x_calc_fc_adv(bp); | |
1991 | } else | |
1992 | BNX2X_ERR("Bootcode is missing -not setting link\n"); | |
1993 | } | |
1994 | ||
1995 | static void bnx2x__link_reset(struct bnx2x *bp) | |
1996 | { | |
1997 | if (!BP_NOMCP(bp)) { | |
1998 | bnx2x_acquire_phy_lock(bp); | |
1999 | bnx2x_link_reset(&bp->link_params, &bp->link_vars); | |
2000 | bnx2x_release_phy_lock(bp); | |
2001 | } else | |
2002 | BNX2X_ERR("Bootcode is missing -not resetting link\n"); | |
2003 | } | |
2004 | ||
2005 | static u8 bnx2x_link_test(struct bnx2x *bp) | |
2006 | { | |
2007 | u8 rc; | |
2008 | ||
2009 | bnx2x_acquire_phy_lock(bp); | |
2010 | rc = bnx2x_test_link(&bp->link_params, &bp->link_vars); | |
2011 | bnx2x_release_phy_lock(bp); | |
2012 | ||
2013 | return rc; | |
2014 | } | |
2015 | ||
2016 | /* Calculates the sum of vn_min_rates. | |
2017 | It's needed for further normalizing of the min_rates. | |
2018 | ||
2019 | Returns: | |
2020 | sum of vn_min_rates | |
2021 | or | |
2022 | 0 - if all the min_rates are 0. | |
2023 | In the later case fairness algorithm should be deactivated. | |
2024 | If not all min_rates are zero then those that are zeroes will | |
2025 | be set to 1. | |
2026 | */ | |
2027 | static u32 bnx2x_calc_vn_wsum(struct bnx2x *bp) | |
2028 | { | |
2029 | int i, port = BP_PORT(bp); | |
2030 | u32 wsum = 0; | |
2031 | int all_zero = 1; | |
2032 | ||
2033 | for (i = 0; i < E1HVN_MAX; i++) { | |
2034 | u32 vn_cfg = | |
2035 | SHMEM_RD(bp, mf_cfg.func_mf_config[2*i + port].config); | |
2036 | u32 vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> | |
2037 | FUNC_MF_CFG_MIN_BW_SHIFT) * 100; | |
2038 | if (!(vn_cfg & FUNC_MF_CFG_FUNC_HIDE)) { | |
2039 | /* If min rate is zero - set it to 1 */ | |
2040 | if (!vn_min_rate) | |
2041 | vn_min_rate = DEF_MIN_RATE; | |
2042 | else | |
2043 | all_zero = 0; | |
2044 | ||
2045 | wsum += vn_min_rate; | |
2046 | } | |
2047 | } | |
2048 | ||
2049 | /* ... only if all min rates are zeros - disable FAIRNESS */ | |
2050 | if (all_zero) | |
2051 | return 0; | |
2052 | ||
2053 | return wsum; | |
2054 | } | |
2055 | ||
2056 | static void bnx2x_init_port_minmax(struct bnx2x *bp, | |
2057 | int en_fness, | |
2058 | u16 port_rate, | |
2059 | struct cmng_struct_per_port *m_cmng_port) | |
2060 | { | |
2061 | u32 r_param = port_rate / 8; | |
2062 | int port = BP_PORT(bp); | |
2063 | int i; | |
2064 | ||
2065 | memset(m_cmng_port, 0, sizeof(struct cmng_struct_per_port)); | |
2066 | ||
2067 | /* Enable minmax only if we are in e1hmf mode */ | |
2068 | if (IS_E1HMF(bp)) { | |
2069 | u32 fair_periodic_timeout_usec; | |
2070 | u32 t_fair; | |
2071 | ||
2072 | /* Enable rate shaping and fairness */ | |
2073 | m_cmng_port->flags.cmng_vn_enable = 1; | |
2074 | m_cmng_port->flags.fairness_enable = en_fness ? 1 : 0; | |
2075 | m_cmng_port->flags.rate_shaping_enable = 1; | |
2076 | ||
2077 | if (!en_fness) | |
2078 | DP(NETIF_MSG_IFUP, "All MIN values are zeroes" | |
2079 | " fairness will be disabled\n"); | |
2080 | ||
2081 | /* 100 usec in SDM ticks = 25 since each tick is 4 usec */ | |
2082 | m_cmng_port->rs_vars.rs_periodic_timeout = | |
2083 | RS_PERIODIC_TIMEOUT_USEC / 4; | |
2084 | ||
2085 | /* this is the threshold below which no timer arming will occur | |
2086 | 1.25 coefficient is for the threshold to be a little bigger | |
2087 | than the real time, to compensate for timer in-accuracy */ | |
2088 | m_cmng_port->rs_vars.rs_threshold = | |
2089 | (RS_PERIODIC_TIMEOUT_USEC * r_param * 5) / 4; | |
2090 | ||
2091 | /* resolution of fairness timer */ | |
2092 | fair_periodic_timeout_usec = QM_ARB_BYTES / r_param; | |
2093 | /* for 10G it is 1000usec. for 1G it is 10000usec. */ | |
2094 | t_fair = T_FAIR_COEF / port_rate; | |
2095 | ||
2096 | /* this is the threshold below which we won't arm | |
2097 | the timer anymore */ | |
2098 | m_cmng_port->fair_vars.fair_threshold = QM_ARB_BYTES; | |
2099 | ||
2100 | /* we multiply by 1e3/8 to get bytes/msec. | |
2101 | We don't want the credits to pass a credit | |
2102 | of the T_FAIR*FAIR_MEM (algorithm resolution) */ | |
2103 | m_cmng_port->fair_vars.upper_bound = | |
2104 | r_param * t_fair * FAIR_MEM; | |
2105 | /* since each tick is 4 usec */ | |
2106 | m_cmng_port->fair_vars.fairness_timeout = | |
2107 | fair_periodic_timeout_usec / 4; | |
2108 | ||
2109 | } else { | |
2110 | /* Disable rate shaping and fairness */ | |
2111 | m_cmng_port->flags.cmng_vn_enable = 0; | |
2112 | m_cmng_port->flags.fairness_enable = 0; | |
2113 | m_cmng_port->flags.rate_shaping_enable = 0; | |
2114 | ||
2115 | DP(NETIF_MSG_IFUP, | |
2116 | "Single function mode minmax will be disabled\n"); | |
2117 | } | |
2118 | ||
2119 | /* Store it to internal memory */ | |
2120 | for (i = 0; i < sizeof(struct cmng_struct_per_port) / 4; i++) | |
2121 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
2122 | XSTORM_CMNG_PER_PORT_VARS_OFFSET(port) + i * 4, | |
2123 | ((u32 *)(m_cmng_port))[i]); | |
2124 | } | |
2125 | ||
2126 | static void bnx2x_init_vn_minmax(struct bnx2x *bp, int func, | |
2127 | u32 wsum, u16 port_rate, | |
2128 | struct cmng_struct_per_port *m_cmng_port) | |
2129 | { | |
2130 | struct rate_shaping_vars_per_vn m_rs_vn; | |
2131 | struct fairness_vars_per_vn m_fair_vn; | |
2132 | u32 vn_cfg = SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); | |
2133 | u16 vn_min_rate, vn_max_rate; | |
2134 | int i; | |
2135 | ||
2136 | /* If function is hidden - set min and max to zeroes */ | |
2137 | if (vn_cfg & FUNC_MF_CFG_FUNC_HIDE) { | |
2138 | vn_min_rate = 0; | |
2139 | vn_max_rate = 0; | |
2140 | ||
2141 | } else { | |
2142 | vn_min_rate = ((vn_cfg & FUNC_MF_CFG_MIN_BW_MASK) >> | |
2143 | FUNC_MF_CFG_MIN_BW_SHIFT) * 100; | |
2144 | /* If FAIRNESS is enabled (not all min rates are zeroes) and | |
2145 | if current min rate is zero - set it to 1. | |
2146 | This is a requirement of the algorithm. */ | |
2147 | if ((vn_min_rate == 0) && wsum) | |
2148 | vn_min_rate = DEF_MIN_RATE; | |
2149 | vn_max_rate = ((vn_cfg & FUNC_MF_CFG_MAX_BW_MASK) >> | |
2150 | FUNC_MF_CFG_MAX_BW_SHIFT) * 100; | |
2151 | } | |
2152 | ||
2153 | DP(NETIF_MSG_IFUP, "func %d: vn_min_rate=%d vn_max_rate=%d " | |
2154 | "wsum=%d\n", func, vn_min_rate, vn_max_rate, wsum); | |
2155 | ||
2156 | memset(&m_rs_vn, 0, sizeof(struct rate_shaping_vars_per_vn)); | |
2157 | memset(&m_fair_vn, 0, sizeof(struct fairness_vars_per_vn)); | |
2158 | ||
2159 | /* global vn counter - maximal Mbps for this vn */ | |
2160 | m_rs_vn.vn_counter.rate = vn_max_rate; | |
2161 | ||
2162 | /* quota - number of bytes transmitted in this period */ | |
2163 | m_rs_vn.vn_counter.quota = | |
2164 | (vn_max_rate * RS_PERIODIC_TIMEOUT_USEC) / 8; | |
2165 | ||
2166 | #ifdef BNX2X_PER_PROT_QOS | |
2167 | /* per protocol counter */ | |
2168 | for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) { | |
2169 | /* maximal Mbps for this protocol */ | |
2170 | m_rs_vn.protocol_counters[protocol].rate = | |
2171 | protocol_max_rate[protocol]; | |
2172 | /* the quota in each timer period - | |
2173 | number of bytes transmitted in this period */ | |
2174 | m_rs_vn.protocol_counters[protocol].quota = | |
2175 | (u32)(rs_periodic_timeout_usec * | |
2176 | ((double)m_rs_vn. | |
2177 | protocol_counters[protocol].rate/8)); | |
2178 | } | |
2179 | #endif | |
2180 | ||
2181 | if (wsum) { | |
2182 | /* credit for each period of the fairness algorithm: | |
2183 | number of bytes in T_FAIR (the vn share the port rate). | |
2184 | wsum should not be larger than 10000, thus | |
2185 | T_FAIR_COEF / (8 * wsum) will always be grater than zero */ | |
2186 | m_fair_vn.vn_credit_delta = | |
2187 | max((u64)(vn_min_rate * (T_FAIR_COEF / (8 * wsum))), | |
2188 | (u64)(m_cmng_port->fair_vars.fair_threshold * 2)); | |
2189 | DP(NETIF_MSG_IFUP, "m_fair_vn.vn_credit_delta=%d\n", | |
2190 | m_fair_vn.vn_credit_delta); | |
2191 | } | |
2192 | ||
2193 | #ifdef BNX2X_PER_PROT_QOS | |
2194 | do { | |
2195 | u32 protocolWeightSum = 0; | |
2196 | ||
2197 | for (protocol = 0; protocol < NUM_OF_PROTOCOLS; protocol++) | |
2198 | protocolWeightSum += | |
2199 | drvInit.protocol_min_rate[protocol]; | |
2200 | /* per protocol counter - | |
2201 | NOT NEEDED IF NO PER-PROTOCOL CONGESTION MANAGEMENT */ | |
2202 | if (protocolWeightSum > 0) { | |
2203 | for (protocol = 0; | |
2204 | protocol < NUM_OF_PROTOCOLS; protocol++) | |
2205 | /* credit for each period of the | |
2206 | fairness algorithm - number of bytes in | |
2207 | T_FAIR (the protocol share the vn rate) */ | |
2208 | m_fair_vn.protocol_credit_delta[protocol] = | |
2209 | (u32)((vn_min_rate / 8) * t_fair * | |
2210 | protocol_min_rate / protocolWeightSum); | |
2211 | } | |
2212 | } while (0); | |
2213 | #endif | |
2214 | ||
2215 | /* Store it to internal memory */ | |
2216 | for (i = 0; i < sizeof(struct rate_shaping_vars_per_vn)/4; i++) | |
2217 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
2218 | XSTORM_RATE_SHAPING_PER_VN_VARS_OFFSET(func) + i * 4, | |
2219 | ((u32 *)(&m_rs_vn))[i]); | |
2220 | ||
2221 | for (i = 0; i < sizeof(struct fairness_vars_per_vn)/4; i++) | |
2222 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
2223 | XSTORM_FAIRNESS_PER_VN_VARS_OFFSET(func) + i * 4, | |
2224 | ((u32 *)(&m_fair_vn))[i]); | |
2225 | } | |
2226 | ||
2227 | /* This function is called upon link interrupt */ | |
2228 | static void bnx2x_link_attn(struct bnx2x *bp) | |
2229 | { | |
2230 | int vn; | |
2231 | ||
2232 | /* Make sure that we are synced with the current statistics */ | |
2233 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
2234 | ||
2235 | bnx2x_acquire_phy_lock(bp); | |
2236 | bnx2x_link_update(&bp->link_params, &bp->link_vars); | |
2237 | bnx2x_release_phy_lock(bp); | |
2238 | ||
2239 | if (bp->link_vars.link_up) { | |
2240 | ||
2241 | if (bp->link_vars.mac_type == MAC_TYPE_BMAC) { | |
2242 | struct host_port_stats *pstats; | |
2243 | ||
2244 | pstats = bnx2x_sp(bp, port_stats); | |
2245 | /* reset old bmac stats */ | |
2246 | memset(&(pstats->mac_stx[0]), 0, | |
2247 | sizeof(struct mac_stx)); | |
2248 | } | |
2249 | if ((bp->state == BNX2X_STATE_OPEN) || | |
2250 | (bp->state == BNX2X_STATE_DISABLED)) | |
2251 | bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); | |
2252 | } | |
2253 | ||
2254 | /* indicate link status */ | |
2255 | bnx2x_link_report(bp); | |
2256 | ||
2257 | if (IS_E1HMF(bp)) { | |
2258 | int func; | |
2259 | ||
2260 | for (vn = VN_0; vn < E1HVN_MAX; vn++) { | |
2261 | if (vn == BP_E1HVN(bp)) | |
2262 | continue; | |
2263 | ||
2264 | func = ((vn << 1) | BP_PORT(bp)); | |
2265 | ||
2266 | /* Set the attention towards other drivers | |
2267 | on the same port */ | |
2268 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_0 + | |
2269 | (LINK_SYNC_ATTENTION_BIT_FUNC_0 + func)*4, 1); | |
2270 | } | |
2271 | } | |
2272 | ||
2273 | if (CHIP_IS_E1H(bp) && (bp->link_vars.line_speed > 0)) { | |
2274 | struct cmng_struct_per_port m_cmng_port; | |
2275 | u32 wsum; | |
2276 | int port = BP_PORT(bp); | |
2277 | ||
2278 | /* Init RATE SHAPING and FAIRNESS contexts */ | |
2279 | wsum = bnx2x_calc_vn_wsum(bp); | |
2280 | bnx2x_init_port_minmax(bp, (int)wsum, | |
2281 | bp->link_vars.line_speed, | |
2282 | &m_cmng_port); | |
2283 | if (IS_E1HMF(bp)) | |
2284 | for (vn = VN_0; vn < E1HVN_MAX; vn++) | |
2285 | bnx2x_init_vn_minmax(bp, 2*vn + port, | |
2286 | wsum, bp->link_vars.line_speed, | |
2287 | &m_cmng_port); | |
2288 | } | |
2289 | } | |
2290 | ||
2291 | static void bnx2x__link_status_update(struct bnx2x *bp) | |
2292 | { | |
2293 | if (bp->state != BNX2X_STATE_OPEN) | |
2294 | return; | |
2295 | ||
2296 | bnx2x_link_status_update(&bp->link_params, &bp->link_vars); | |
2297 | ||
2298 | if (bp->link_vars.link_up) | |
2299 | bnx2x_stats_handle(bp, STATS_EVENT_LINK_UP); | |
2300 | else | |
2301 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
2302 | ||
2303 | /* indicate link status */ | |
2304 | bnx2x_link_report(bp); | |
2305 | } | |
2306 | ||
2307 | static void bnx2x_pmf_update(struct bnx2x *bp) | |
2308 | { | |
2309 | int port = BP_PORT(bp); | |
2310 | u32 val; | |
2311 | ||
2312 | bp->port.pmf = 1; | |
2313 | DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); | |
2314 | ||
2315 | /* enable nig attention */ | |
2316 | val = (0xff0f | (1 << (BP_E1HVN(bp) + 4))); | |
2317 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, val); | |
2318 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, val); | |
2319 | ||
2320 | bnx2x_stats_handle(bp, STATS_EVENT_PMF); | |
2321 | } | |
2322 | ||
2323 | /* end of Link */ | |
2324 | ||
2325 | /* slow path */ | |
2326 | ||
2327 | /* | |
2328 | * General service functions | |
2329 | */ | |
2330 | ||
2331 | /* the slow path queue is odd since completions arrive on the fastpath ring */ | |
2332 | static int bnx2x_sp_post(struct bnx2x *bp, int command, int cid, | |
2333 | u32 data_hi, u32 data_lo, int common) | |
2334 | { | |
2335 | int func = BP_FUNC(bp); | |
2336 | ||
2337 | DP(BNX2X_MSG_SP/*NETIF_MSG_TIMER*/, | |
2338 | "SPQE (%x:%x) command %d hw_cid %x data (%x:%x) left %x\n", | |
2339 | (u32)U64_HI(bp->spq_mapping), (u32)(U64_LO(bp->spq_mapping) + | |
2340 | (void *)bp->spq_prod_bd - (void *)bp->spq), command, | |
2341 | HW_CID(bp, cid), data_hi, data_lo, bp->spq_left); | |
2342 | ||
2343 | #ifdef BNX2X_STOP_ON_ERROR | |
2344 | if (unlikely(bp->panic)) | |
2345 | return -EIO; | |
2346 | #endif | |
2347 | ||
2348 | spin_lock_bh(&bp->spq_lock); | |
2349 | ||
2350 | if (!bp->spq_left) { | |
2351 | BNX2X_ERR("BUG! SPQ ring full!\n"); | |
2352 | spin_unlock_bh(&bp->spq_lock); | |
2353 | bnx2x_panic(); | |
2354 | return -EBUSY; | |
2355 | } | |
2356 | ||
2357 | /* CID needs port number to be encoded int it */ | |
2358 | bp->spq_prod_bd->hdr.conn_and_cmd_data = | |
2359 | cpu_to_le32(((command << SPE_HDR_CMD_ID_SHIFT) | | |
2360 | HW_CID(bp, cid))); | |
2361 | bp->spq_prod_bd->hdr.type = cpu_to_le16(ETH_CONNECTION_TYPE); | |
2362 | if (common) | |
2363 | bp->spq_prod_bd->hdr.type |= | |
2364 | cpu_to_le16((1 << SPE_HDR_COMMON_RAMROD_SHIFT)); | |
2365 | ||
2366 | bp->spq_prod_bd->data.mac_config_addr.hi = cpu_to_le32(data_hi); | |
2367 | bp->spq_prod_bd->data.mac_config_addr.lo = cpu_to_le32(data_lo); | |
2368 | ||
2369 | bp->spq_left--; | |
2370 | ||
2371 | if (bp->spq_prod_bd == bp->spq_last_bd) { | |
2372 | bp->spq_prod_bd = bp->spq; | |
2373 | bp->spq_prod_idx = 0; | |
2374 | DP(NETIF_MSG_TIMER, "end of spq\n"); | |
2375 | ||
2376 | } else { | |
2377 | bp->spq_prod_bd++; | |
2378 | bp->spq_prod_idx++; | |
2379 | } | |
2380 | ||
2381 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_SPQ_PROD_OFFSET(func), | |
2382 | bp->spq_prod_idx); | |
2383 | ||
2384 | spin_unlock_bh(&bp->spq_lock); | |
2385 | return 0; | |
2386 | } | |
2387 | ||
2388 | /* acquire split MCP access lock register */ | |
2389 | static int bnx2x_acquire_alr(struct bnx2x *bp) | |
2390 | { | |
2391 | u32 i, j, val; | |
2392 | int rc = 0; | |
2393 | ||
2394 | might_sleep(); | |
2395 | i = 100; | |
2396 | for (j = 0; j < i*10; j++) { | |
2397 | val = (1UL << 31); | |
2398 | REG_WR(bp, GRCBASE_MCP + 0x9c, val); | |
2399 | val = REG_RD(bp, GRCBASE_MCP + 0x9c); | |
2400 | if (val & (1L << 31)) | |
2401 | break; | |
2402 | ||
2403 | msleep(5); | |
2404 | } | |
2405 | if (!(val & (1L << 31))) { | |
2406 | BNX2X_ERR("Cannot acquire MCP access lock register\n"); | |
2407 | rc = -EBUSY; | |
2408 | } | |
2409 | ||
2410 | return rc; | |
2411 | } | |
2412 | ||
2413 | /* release split MCP access lock register */ | |
2414 | static void bnx2x_release_alr(struct bnx2x *bp) | |
2415 | { | |
2416 | u32 val = 0; | |
2417 | ||
2418 | REG_WR(bp, GRCBASE_MCP + 0x9c, val); | |
2419 | } | |
2420 | ||
2421 | static inline u16 bnx2x_update_dsb_idx(struct bnx2x *bp) | |
2422 | { | |
2423 | struct host_def_status_block *def_sb = bp->def_status_blk; | |
2424 | u16 rc = 0; | |
2425 | ||
2426 | barrier(); /* status block is written to by the chip */ | |
2427 | if (bp->def_att_idx != def_sb->atten_status_block.attn_bits_index) { | |
2428 | bp->def_att_idx = def_sb->atten_status_block.attn_bits_index; | |
2429 | rc |= 1; | |
2430 | } | |
2431 | if (bp->def_c_idx != def_sb->c_def_status_block.status_block_index) { | |
2432 | bp->def_c_idx = def_sb->c_def_status_block.status_block_index; | |
2433 | rc |= 2; | |
2434 | } | |
2435 | if (bp->def_u_idx != def_sb->u_def_status_block.status_block_index) { | |
2436 | bp->def_u_idx = def_sb->u_def_status_block.status_block_index; | |
2437 | rc |= 4; | |
2438 | } | |
2439 | if (bp->def_x_idx != def_sb->x_def_status_block.status_block_index) { | |
2440 | bp->def_x_idx = def_sb->x_def_status_block.status_block_index; | |
2441 | rc |= 8; | |
2442 | } | |
2443 | if (bp->def_t_idx != def_sb->t_def_status_block.status_block_index) { | |
2444 | bp->def_t_idx = def_sb->t_def_status_block.status_block_index; | |
2445 | rc |= 16; | |
2446 | } | |
2447 | return rc; | |
2448 | } | |
2449 | ||
2450 | /* | |
2451 | * slow path service functions | |
2452 | */ | |
2453 | ||
2454 | static void bnx2x_attn_int_asserted(struct bnx2x *bp, u32 asserted) | |
2455 | { | |
2456 | int port = BP_PORT(bp); | |
2457 | u32 hc_addr = (HC_REG_COMMAND_REG + port*32 + | |
2458 | COMMAND_REG_ATTN_BITS_SET); | |
2459 | u32 aeu_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
2460 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
2461 | u32 nig_int_mask_addr = port ? NIG_REG_MASK_INTERRUPT_PORT1 : | |
2462 | NIG_REG_MASK_INTERRUPT_PORT0; | |
2463 | u32 aeu_mask; | |
2464 | ||
2465 | if (bp->attn_state & asserted) | |
2466 | BNX2X_ERR("IGU ERROR\n"); | |
2467 | ||
2468 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); | |
2469 | aeu_mask = REG_RD(bp, aeu_addr); | |
2470 | ||
2471 | DP(NETIF_MSG_HW, "aeu_mask %x newly asserted %x\n", | |
2472 | aeu_mask, asserted); | |
2473 | aeu_mask &= ~(asserted & 0xff); | |
2474 | DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask); | |
2475 | ||
2476 | REG_WR(bp, aeu_addr, aeu_mask); | |
2477 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); | |
2478 | ||
2479 | DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); | |
2480 | bp->attn_state |= asserted; | |
2481 | DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); | |
2482 | ||
2483 | if (asserted & ATTN_HARD_WIRED_MASK) { | |
2484 | if (asserted & ATTN_NIG_FOR_FUNC) { | |
2485 | ||
2486 | /* save nig interrupt mask */ | |
2487 | bp->nig_mask = REG_RD(bp, nig_int_mask_addr); | |
2488 | REG_WR(bp, nig_int_mask_addr, 0); | |
2489 | ||
2490 | bnx2x_link_attn(bp); | |
2491 | ||
2492 | /* handle unicore attn? */ | |
2493 | } | |
2494 | if (asserted & ATTN_SW_TIMER_4_FUNC) | |
2495 | DP(NETIF_MSG_HW, "ATTN_SW_TIMER_4_FUNC!\n"); | |
2496 | ||
2497 | if (asserted & GPIO_2_FUNC) | |
2498 | DP(NETIF_MSG_HW, "GPIO_2_FUNC!\n"); | |
2499 | ||
2500 | if (asserted & GPIO_3_FUNC) | |
2501 | DP(NETIF_MSG_HW, "GPIO_3_FUNC!\n"); | |
2502 | ||
2503 | if (asserted & GPIO_4_FUNC) | |
2504 | DP(NETIF_MSG_HW, "GPIO_4_FUNC!\n"); | |
2505 | ||
2506 | if (port == 0) { | |
2507 | if (asserted & ATTN_GENERAL_ATTN_1) { | |
2508 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_1!\n"); | |
2509 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_1, 0x0); | |
2510 | } | |
2511 | if (asserted & ATTN_GENERAL_ATTN_2) { | |
2512 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_2!\n"); | |
2513 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_2, 0x0); | |
2514 | } | |
2515 | if (asserted & ATTN_GENERAL_ATTN_3) { | |
2516 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_3!\n"); | |
2517 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_3, 0x0); | |
2518 | } | |
2519 | } else { | |
2520 | if (asserted & ATTN_GENERAL_ATTN_4) { | |
2521 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_4!\n"); | |
2522 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_4, 0x0); | |
2523 | } | |
2524 | if (asserted & ATTN_GENERAL_ATTN_5) { | |
2525 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_5!\n"); | |
2526 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_5, 0x0); | |
2527 | } | |
2528 | if (asserted & ATTN_GENERAL_ATTN_6) { | |
2529 | DP(NETIF_MSG_HW, "ATTN_GENERAL_ATTN_6!\n"); | |
2530 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_6, 0x0); | |
2531 | } | |
2532 | } | |
2533 | ||
2534 | } /* if hardwired */ | |
2535 | ||
2536 | DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n", | |
2537 | asserted, hc_addr); | |
2538 | REG_WR(bp, hc_addr, asserted); | |
2539 | ||
2540 | /* now set back the mask */ | |
2541 | if (asserted & ATTN_NIG_FOR_FUNC) | |
2542 | REG_WR(bp, nig_int_mask_addr, bp->nig_mask); | |
2543 | } | |
2544 | ||
2545 | static inline void bnx2x_attn_int_deasserted0(struct bnx2x *bp, u32 attn) | |
2546 | { | |
2547 | int port = BP_PORT(bp); | |
2548 | int reg_offset; | |
2549 | u32 val; | |
2550 | ||
2551 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : | |
2552 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
2553 | ||
2554 | if (attn & AEU_INPUTS_ATTN_BITS_SPIO5) { | |
2555 | ||
2556 | val = REG_RD(bp, reg_offset); | |
2557 | val &= ~AEU_INPUTS_ATTN_BITS_SPIO5; | |
2558 | REG_WR(bp, reg_offset, val); | |
2559 | ||
2560 | BNX2X_ERR("SPIO5 hw attention\n"); | |
2561 | ||
2562 | switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) { | |
2563 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G: | |
2564 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: | |
2565 | /* Fan failure attention */ | |
2566 | ||
2567 | /* The PHY reset is controlled by GPIO 1 */ | |
2568 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_1, | |
2569 | MISC_REGISTERS_GPIO_OUTPUT_LOW, port); | |
2570 | /* Low power mode is controlled by GPIO 2 */ | |
2571 | bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_2, | |
2572 | MISC_REGISTERS_GPIO_OUTPUT_LOW, port); | |
2573 | /* mark the failure */ | |
2574 | bp->link_params.ext_phy_config &= | |
2575 | ~PORT_HW_CFG_XGXS_EXT_PHY_TYPE_MASK; | |
2576 | bp->link_params.ext_phy_config |= | |
2577 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE; | |
2578 | SHMEM_WR(bp, | |
2579 | dev_info.port_hw_config[port]. | |
2580 | external_phy_config, | |
2581 | bp->link_params.ext_phy_config); | |
2582 | /* log the failure */ | |
2583 | printk(KERN_ERR PFX "Fan Failure on Network" | |
2584 | " Controller %s has caused the driver to" | |
2585 | " shutdown the card to prevent permanent" | |
2586 | " damage. Please contact Dell Support for" | |
2587 | " assistance\n", bp->dev->name); | |
2588 | break; | |
2589 | ||
2590 | default: | |
2591 | break; | |
2592 | } | |
2593 | } | |
2594 | ||
2595 | if (attn & HW_INTERRUT_ASSERT_SET_0) { | |
2596 | ||
2597 | val = REG_RD(bp, reg_offset); | |
2598 | val &= ~(attn & HW_INTERRUT_ASSERT_SET_0); | |
2599 | REG_WR(bp, reg_offset, val); | |
2600 | ||
2601 | BNX2X_ERR("FATAL HW block attention set0 0x%x\n", | |
2602 | (attn & HW_INTERRUT_ASSERT_SET_0)); | |
2603 | bnx2x_panic(); | |
2604 | } | |
2605 | } | |
2606 | ||
2607 | static inline void bnx2x_attn_int_deasserted1(struct bnx2x *bp, u32 attn) | |
2608 | { | |
2609 | u32 val; | |
2610 | ||
2611 | if (attn & BNX2X_DOORQ_ASSERT) { | |
2612 | ||
2613 | val = REG_RD(bp, DORQ_REG_DORQ_INT_STS_CLR); | |
2614 | BNX2X_ERR("DB hw attention 0x%x\n", val); | |
2615 | /* DORQ discard attention */ | |
2616 | if (val & 0x2) | |
2617 | BNX2X_ERR("FATAL error from DORQ\n"); | |
2618 | } | |
2619 | ||
2620 | if (attn & HW_INTERRUT_ASSERT_SET_1) { | |
2621 | ||
2622 | int port = BP_PORT(bp); | |
2623 | int reg_offset; | |
2624 | ||
2625 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_1 : | |
2626 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_1); | |
2627 | ||
2628 | val = REG_RD(bp, reg_offset); | |
2629 | val &= ~(attn & HW_INTERRUT_ASSERT_SET_1); | |
2630 | REG_WR(bp, reg_offset, val); | |
2631 | ||
2632 | BNX2X_ERR("FATAL HW block attention set1 0x%x\n", | |
2633 | (attn & HW_INTERRUT_ASSERT_SET_1)); | |
2634 | bnx2x_panic(); | |
2635 | } | |
2636 | } | |
2637 | ||
2638 | static inline void bnx2x_attn_int_deasserted2(struct bnx2x *bp, u32 attn) | |
2639 | { | |
2640 | u32 val; | |
2641 | ||
2642 | if (attn & AEU_INPUTS_ATTN_BITS_CFC_HW_INTERRUPT) { | |
2643 | ||
2644 | val = REG_RD(bp, CFC_REG_CFC_INT_STS_CLR); | |
2645 | BNX2X_ERR("CFC hw attention 0x%x\n", val); | |
2646 | /* CFC error attention */ | |
2647 | if (val & 0x2) | |
2648 | BNX2X_ERR("FATAL error from CFC\n"); | |
2649 | } | |
2650 | ||
2651 | if (attn & AEU_INPUTS_ATTN_BITS_PXP_HW_INTERRUPT) { | |
2652 | ||
2653 | val = REG_RD(bp, PXP_REG_PXP_INT_STS_CLR_0); | |
2654 | BNX2X_ERR("PXP hw attention 0x%x\n", val); | |
2655 | /* RQ_USDMDP_FIFO_OVERFLOW */ | |
2656 | if (val & 0x18000) | |
2657 | BNX2X_ERR("FATAL error from PXP\n"); | |
2658 | } | |
2659 | ||
2660 | if (attn & HW_INTERRUT_ASSERT_SET_2) { | |
2661 | ||
2662 | int port = BP_PORT(bp); | |
2663 | int reg_offset; | |
2664 | ||
2665 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_2 : | |
2666 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_2); | |
2667 | ||
2668 | val = REG_RD(bp, reg_offset); | |
2669 | val &= ~(attn & HW_INTERRUT_ASSERT_SET_2); | |
2670 | REG_WR(bp, reg_offset, val); | |
2671 | ||
2672 | BNX2X_ERR("FATAL HW block attention set2 0x%x\n", | |
2673 | (attn & HW_INTERRUT_ASSERT_SET_2)); | |
2674 | bnx2x_panic(); | |
2675 | } | |
2676 | } | |
2677 | ||
2678 | static inline void bnx2x_attn_int_deasserted3(struct bnx2x *bp, u32 attn) | |
2679 | { | |
2680 | u32 val; | |
2681 | ||
2682 | if (attn & EVEREST_GEN_ATTN_IN_USE_MASK) { | |
2683 | ||
2684 | if (attn & BNX2X_PMF_LINK_ASSERT) { | |
2685 | int func = BP_FUNC(bp); | |
2686 | ||
2687 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0); | |
2688 | bnx2x__link_status_update(bp); | |
2689 | if (SHMEM_RD(bp, func_mb[func].drv_status) & | |
2690 | DRV_STATUS_PMF) | |
2691 | bnx2x_pmf_update(bp); | |
2692 | ||
2693 | } else if (attn & BNX2X_MC_ASSERT_BITS) { | |
2694 | ||
2695 | BNX2X_ERR("MC assert!\n"); | |
2696 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_10, 0); | |
2697 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_9, 0); | |
2698 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_8, 0); | |
2699 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_7, 0); | |
2700 | bnx2x_panic(); | |
2701 | ||
2702 | } else if (attn & BNX2X_MCP_ASSERT) { | |
2703 | ||
2704 | BNX2X_ERR("MCP assert!\n"); | |
2705 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_11, 0); | |
2706 | bnx2x_fw_dump(bp); | |
2707 | ||
2708 | } else | |
2709 | BNX2X_ERR("Unknown HW assert! (attn 0x%x)\n", attn); | |
2710 | } | |
2711 | ||
2712 | if (attn & EVEREST_LATCHED_ATTN_IN_USE_MASK) { | |
2713 | BNX2X_ERR("LATCHED attention 0x%08x (masked)\n", attn); | |
2714 | if (attn & BNX2X_GRC_TIMEOUT) { | |
2715 | val = CHIP_IS_E1H(bp) ? | |
2716 | REG_RD(bp, MISC_REG_GRC_TIMEOUT_ATTN) : 0; | |
2717 | BNX2X_ERR("GRC time-out 0x%08x\n", val); | |
2718 | } | |
2719 | if (attn & BNX2X_GRC_RSV) { | |
2720 | val = CHIP_IS_E1H(bp) ? | |
2721 | REG_RD(bp, MISC_REG_GRC_RSV_ATTN) : 0; | |
2722 | BNX2X_ERR("GRC reserved 0x%08x\n", val); | |
2723 | } | |
2724 | REG_WR(bp, MISC_REG_AEU_CLR_LATCH_SIGNAL, 0x7ff); | |
2725 | } | |
2726 | } | |
2727 | ||
2728 | static void bnx2x_attn_int_deasserted(struct bnx2x *bp, u32 deasserted) | |
2729 | { | |
2730 | struct attn_route attn; | |
2731 | struct attn_route group_mask; | |
2732 | int port = BP_PORT(bp); | |
2733 | int index; | |
2734 | u32 reg_addr; | |
2735 | u32 val; | |
2736 | u32 aeu_mask; | |
2737 | ||
2738 | /* need to take HW lock because MCP or other port might also | |
2739 | try to handle this event */ | |
2740 | bnx2x_acquire_alr(bp); | |
2741 | ||
2742 | attn.sig[0] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_1_FUNC_0 + port*4); | |
2743 | attn.sig[1] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_2_FUNC_0 + port*4); | |
2744 | attn.sig[2] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_3_FUNC_0 + port*4); | |
2745 | attn.sig[3] = REG_RD(bp, MISC_REG_AEU_AFTER_INVERT_4_FUNC_0 + port*4); | |
2746 | DP(NETIF_MSG_HW, "attn: %08x %08x %08x %08x\n", | |
2747 | attn.sig[0], attn.sig[1], attn.sig[2], attn.sig[3]); | |
2748 | ||
2749 | for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { | |
2750 | if (deasserted & (1 << index)) { | |
2751 | group_mask = bp->attn_group[index]; | |
2752 | ||
2753 | DP(NETIF_MSG_HW, "group[%d]: %08x %08x %08x %08x\n", | |
2754 | index, group_mask.sig[0], group_mask.sig[1], | |
2755 | group_mask.sig[2], group_mask.sig[3]); | |
2756 | ||
2757 | bnx2x_attn_int_deasserted3(bp, | |
2758 | attn.sig[3] & group_mask.sig[3]); | |
2759 | bnx2x_attn_int_deasserted1(bp, | |
2760 | attn.sig[1] & group_mask.sig[1]); | |
2761 | bnx2x_attn_int_deasserted2(bp, | |
2762 | attn.sig[2] & group_mask.sig[2]); | |
2763 | bnx2x_attn_int_deasserted0(bp, | |
2764 | attn.sig[0] & group_mask.sig[0]); | |
2765 | ||
2766 | if ((attn.sig[0] & group_mask.sig[0] & | |
2767 | HW_PRTY_ASSERT_SET_0) || | |
2768 | (attn.sig[1] & group_mask.sig[1] & | |
2769 | HW_PRTY_ASSERT_SET_1) || | |
2770 | (attn.sig[2] & group_mask.sig[2] & | |
2771 | HW_PRTY_ASSERT_SET_2)) | |
2772 | BNX2X_ERR("FATAL HW block parity attention\n"); | |
2773 | } | |
2774 | } | |
2775 | ||
2776 | bnx2x_release_alr(bp); | |
2777 | ||
2778 | reg_addr = (HC_REG_COMMAND_REG + port*32 + COMMAND_REG_ATTN_BITS_CLR); | |
2779 | ||
2780 | val = ~deasserted; | |
2781 | DP(NETIF_MSG_HW, "about to mask 0x%08x at HC addr 0x%x\n", | |
2782 | val, reg_addr); | |
2783 | REG_WR(bp, reg_addr, val); | |
2784 | ||
2785 | if (~bp->attn_state & deasserted) | |
2786 | BNX2X_ERR("IGU ERROR\n"); | |
2787 | ||
2788 | reg_addr = port ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
2789 | MISC_REG_AEU_MASK_ATTN_FUNC_0; | |
2790 | ||
2791 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); | |
2792 | aeu_mask = REG_RD(bp, reg_addr); | |
2793 | ||
2794 | DP(NETIF_MSG_HW, "aeu_mask %x newly deasserted %x\n", | |
2795 | aeu_mask, deasserted); | |
2796 | aeu_mask |= (deasserted & 0xff); | |
2797 | DP(NETIF_MSG_HW, "new mask %x\n", aeu_mask); | |
2798 | ||
2799 | REG_WR(bp, reg_addr, aeu_mask); | |
2800 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_PORT0_ATT_MASK + port); | |
2801 | ||
2802 | DP(NETIF_MSG_HW, "attn_state %x\n", bp->attn_state); | |
2803 | bp->attn_state &= ~deasserted; | |
2804 | DP(NETIF_MSG_HW, "new state %x\n", bp->attn_state); | |
2805 | } | |
2806 | ||
2807 | static void bnx2x_attn_int(struct bnx2x *bp) | |
2808 | { | |
2809 | /* read local copy of bits */ | |
2810 | u32 attn_bits = bp->def_status_blk->atten_status_block.attn_bits; | |
2811 | u32 attn_ack = bp->def_status_blk->atten_status_block.attn_bits_ack; | |
2812 | u32 attn_state = bp->attn_state; | |
2813 | ||
2814 | /* look for changed bits */ | |
2815 | u32 asserted = attn_bits & ~attn_ack & ~attn_state; | |
2816 | u32 deasserted = ~attn_bits & attn_ack & attn_state; | |
2817 | ||
2818 | DP(NETIF_MSG_HW, | |
2819 | "attn_bits %x attn_ack %x asserted %x deasserted %x\n", | |
2820 | attn_bits, attn_ack, asserted, deasserted); | |
2821 | ||
2822 | if (~(attn_bits ^ attn_ack) & (attn_bits ^ attn_state)) | |
2823 | BNX2X_ERR("BAD attention state\n"); | |
2824 | ||
2825 | /* handle bits that were raised */ | |
2826 | if (asserted) | |
2827 | bnx2x_attn_int_asserted(bp, asserted); | |
2828 | ||
2829 | if (deasserted) | |
2830 | bnx2x_attn_int_deasserted(bp, deasserted); | |
2831 | } | |
2832 | ||
2833 | static void bnx2x_sp_task(struct work_struct *work) | |
2834 | { | |
2835 | struct bnx2x *bp = container_of(work, struct bnx2x, sp_task.work); | |
2836 | u16 status; | |
2837 | ||
2838 | ||
2839 | /* Return here if interrupt is disabled */ | |
2840 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
2841 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
2842 | return; | |
2843 | } | |
2844 | ||
2845 | status = bnx2x_update_dsb_idx(bp); | |
2846 | /* if (status == 0) */ | |
2847 | /* BNX2X_ERR("spurious slowpath interrupt!\n"); */ | |
2848 | ||
2849 | DP(NETIF_MSG_INTR, "got a slowpath interrupt (updated %x)\n", status); | |
2850 | ||
2851 | /* HW attentions */ | |
2852 | if (status & 0x1) | |
2853 | bnx2x_attn_int(bp); | |
2854 | ||
2855 | /* CStorm events: query_stats, port delete ramrod */ | |
2856 | if (status & 0x2) | |
2857 | bp->stats_pending = 0; | |
2858 | ||
2859 | bnx2x_ack_sb(bp, DEF_SB_ID, ATTENTION_ID, bp->def_att_idx, | |
2860 | IGU_INT_NOP, 1); | |
2861 | bnx2x_ack_sb(bp, DEF_SB_ID, USTORM_ID, le16_to_cpu(bp->def_u_idx), | |
2862 | IGU_INT_NOP, 1); | |
2863 | bnx2x_ack_sb(bp, DEF_SB_ID, CSTORM_ID, le16_to_cpu(bp->def_c_idx), | |
2864 | IGU_INT_NOP, 1); | |
2865 | bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, le16_to_cpu(bp->def_x_idx), | |
2866 | IGU_INT_NOP, 1); | |
2867 | bnx2x_ack_sb(bp, DEF_SB_ID, TSTORM_ID, le16_to_cpu(bp->def_t_idx), | |
2868 | IGU_INT_ENABLE, 1); | |
2869 | ||
2870 | } | |
2871 | ||
2872 | static irqreturn_t bnx2x_msix_sp_int(int irq, void *dev_instance) | |
2873 | { | |
2874 | struct net_device *dev = dev_instance; | |
2875 | struct bnx2x *bp = netdev_priv(dev); | |
2876 | ||
2877 | /* Return here if interrupt is disabled */ | |
2878 | if (unlikely(atomic_read(&bp->intr_sem) != 0)) { | |
2879 | DP(NETIF_MSG_INTR, "called but intr_sem not 0, returning\n"); | |
2880 | return IRQ_HANDLED; | |
2881 | } | |
2882 | ||
2883 | bnx2x_ack_sb(bp, DEF_SB_ID, XSTORM_ID, 0, IGU_INT_DISABLE, 0); | |
2884 | ||
2885 | #ifdef BNX2X_STOP_ON_ERROR | |
2886 | if (unlikely(bp->panic)) | |
2887 | return IRQ_HANDLED; | |
2888 | #endif | |
2889 | ||
2890 | queue_delayed_work(bnx2x_wq, &bp->sp_task, 0); | |
2891 | ||
2892 | return IRQ_HANDLED; | |
2893 | } | |
2894 | ||
2895 | /* end of slow path */ | |
2896 | ||
2897 | /* Statistics */ | |
2898 | ||
2899 | /**************************************************************************** | |
2900 | * Macros | |
2901 | ****************************************************************************/ | |
2902 | ||
2903 | /* sum[hi:lo] += add[hi:lo] */ | |
2904 | #define ADD_64(s_hi, a_hi, s_lo, a_lo) \ | |
2905 | do { \ | |
2906 | s_lo += a_lo; \ | |
2907 | s_hi += a_hi + (s_lo < a_lo) ? 1 : 0; \ | |
2908 | } while (0) | |
2909 | ||
2910 | /* difference = minuend - subtrahend */ | |
2911 | #define DIFF_64(d_hi, m_hi, s_hi, d_lo, m_lo, s_lo) \ | |
2912 | do { \ | |
2913 | if (m_lo < s_lo) { \ | |
2914 | /* underflow */ \ | |
2915 | d_hi = m_hi - s_hi; \ | |
2916 | if (d_hi > 0) { \ | |
2917 | /* we can 'loan' 1 */ \ | |
2918 | d_hi--; \ | |
2919 | d_lo = m_lo + (UINT_MAX - s_lo) + 1; \ | |
2920 | } else { \ | |
2921 | /* m_hi <= s_hi */ \ | |
2922 | d_hi = 0; \ | |
2923 | d_lo = 0; \ | |
2924 | } \ | |
2925 | } else { \ | |
2926 | /* m_lo >= s_lo */ \ | |
2927 | if (m_hi < s_hi) { \ | |
2928 | d_hi = 0; \ | |
2929 | d_lo = 0; \ | |
2930 | } else { \ | |
2931 | /* m_hi >= s_hi */ \ | |
2932 | d_hi = m_hi - s_hi; \ | |
2933 | d_lo = m_lo - s_lo; \ | |
2934 | } \ | |
2935 | } \ | |
2936 | } while (0) | |
2937 | ||
2938 | #define UPDATE_STAT64(s, t) \ | |
2939 | do { \ | |
2940 | DIFF_64(diff.hi, new->s##_hi, pstats->mac_stx[0].t##_hi, \ | |
2941 | diff.lo, new->s##_lo, pstats->mac_stx[0].t##_lo); \ | |
2942 | pstats->mac_stx[0].t##_hi = new->s##_hi; \ | |
2943 | pstats->mac_stx[0].t##_lo = new->s##_lo; \ | |
2944 | ADD_64(pstats->mac_stx[1].t##_hi, diff.hi, \ | |
2945 | pstats->mac_stx[1].t##_lo, diff.lo); \ | |
2946 | } while (0) | |
2947 | ||
2948 | #define UPDATE_STAT64_NIG(s, t) \ | |
2949 | do { \ | |
2950 | DIFF_64(diff.hi, new->s##_hi, old->s##_hi, \ | |
2951 | diff.lo, new->s##_lo, old->s##_lo); \ | |
2952 | ADD_64(estats->t##_hi, diff.hi, \ | |
2953 | estats->t##_lo, diff.lo); \ | |
2954 | } while (0) | |
2955 | ||
2956 | /* sum[hi:lo] += add */ | |
2957 | #define ADD_EXTEND_64(s_hi, s_lo, a) \ | |
2958 | do { \ | |
2959 | s_lo += a; \ | |
2960 | s_hi += (s_lo < a) ? 1 : 0; \ | |
2961 | } while (0) | |
2962 | ||
2963 | #define UPDATE_EXTEND_STAT(s) \ | |
2964 | do { \ | |
2965 | ADD_EXTEND_64(pstats->mac_stx[1].s##_hi, \ | |
2966 | pstats->mac_stx[1].s##_lo, \ | |
2967 | new->s); \ | |
2968 | } while (0) | |
2969 | ||
2970 | #define UPDATE_EXTEND_TSTAT(s, t) \ | |
2971 | do { \ | |
2972 | diff = le32_to_cpu(tclient->s) - old_tclient->s; \ | |
2973 | old_tclient->s = le32_to_cpu(tclient->s); \ | |
2974 | ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \ | |
2975 | } while (0) | |
2976 | ||
2977 | #define UPDATE_EXTEND_XSTAT(s, t) \ | |
2978 | do { \ | |
2979 | diff = le32_to_cpu(xclient->s) - old_xclient->s; \ | |
2980 | old_xclient->s = le32_to_cpu(xclient->s); \ | |
2981 | ADD_EXTEND_64(fstats->t##_hi, fstats->t##_lo, diff); \ | |
2982 | } while (0) | |
2983 | ||
2984 | /* | |
2985 | * General service functions | |
2986 | */ | |
2987 | ||
2988 | static inline long bnx2x_hilo(u32 *hiref) | |
2989 | { | |
2990 | u32 lo = *(hiref + 1); | |
2991 | #if (BITS_PER_LONG == 64) | |
2992 | u32 hi = *hiref; | |
2993 | ||
2994 | return HILO_U64(hi, lo); | |
2995 | #else | |
2996 | return lo; | |
2997 | #endif | |
2998 | } | |
2999 | ||
3000 | /* | |
3001 | * Init service functions | |
3002 | */ | |
3003 | ||
3004 | static void bnx2x_storm_stats_post(struct bnx2x *bp) | |
3005 | { | |
3006 | if (!bp->stats_pending) { | |
3007 | struct eth_query_ramrod_data ramrod_data = {0}; | |
3008 | int rc; | |
3009 | ||
3010 | ramrod_data.drv_counter = bp->stats_counter++; | |
3011 | ramrod_data.collect_port_1b = bp->port.pmf ? 1 : 0; | |
3012 | ramrod_data.ctr_id_vector = (1 << BP_CL_ID(bp)); | |
3013 | ||
3014 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_STAT_QUERY, 0, | |
3015 | ((u32 *)&ramrod_data)[1], | |
3016 | ((u32 *)&ramrod_data)[0], 0); | |
3017 | if (rc == 0) { | |
3018 | /* stats ramrod has it's own slot on the spq */ | |
3019 | bp->spq_left++; | |
3020 | bp->stats_pending = 1; | |
3021 | } | |
3022 | } | |
3023 | } | |
3024 | ||
3025 | static void bnx2x_stats_init(struct bnx2x *bp) | |
3026 | { | |
3027 | int port = BP_PORT(bp); | |
3028 | ||
3029 | bp->executer_idx = 0; | |
3030 | bp->stats_counter = 0; | |
3031 | ||
3032 | /* port stats */ | |
3033 | if (!BP_NOMCP(bp)) | |
3034 | bp->port.port_stx = SHMEM_RD(bp, port_mb[port].port_stx); | |
3035 | else | |
3036 | bp->port.port_stx = 0; | |
3037 | DP(BNX2X_MSG_STATS, "port_stx 0x%x\n", bp->port.port_stx); | |
3038 | ||
3039 | memset(&(bp->port.old_nig_stats), 0, sizeof(struct nig_stats)); | |
3040 | bp->port.old_nig_stats.brb_discard = | |
3041 | REG_RD(bp, NIG_REG_STAT0_BRB_DISCARD + port*0x38); | |
3042 | bp->port.old_nig_stats.brb_truncate = | |
3043 | REG_RD(bp, NIG_REG_STAT0_BRB_TRUNCATE + port*0x38); | |
3044 | REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT0 + port*0x50, | |
3045 | &(bp->port.old_nig_stats.egress_mac_pkt0_lo), 2); | |
3046 | REG_RD_DMAE(bp, NIG_REG_STAT0_EGRESS_MAC_PKT1 + port*0x50, | |
3047 | &(bp->port.old_nig_stats.egress_mac_pkt1_lo), 2); | |
3048 | ||
3049 | /* function stats */ | |
3050 | memset(&bp->dev->stats, 0, sizeof(struct net_device_stats)); | |
3051 | memset(&bp->old_tclient, 0, sizeof(struct tstorm_per_client_stats)); | |
3052 | memset(&bp->old_xclient, 0, sizeof(struct xstorm_per_client_stats)); | |
3053 | memset(&bp->eth_stats, 0, sizeof(struct bnx2x_eth_stats)); | |
3054 | ||
3055 | bp->stats_state = STATS_STATE_DISABLED; | |
3056 | if (IS_E1HMF(bp) && bp->port.pmf && bp->port.port_stx) | |
3057 | bnx2x_stats_handle(bp, STATS_EVENT_PMF); | |
3058 | } | |
3059 | ||
3060 | static void bnx2x_hw_stats_post(struct bnx2x *bp) | |
3061 | { | |
3062 | struct dmae_command *dmae = &bp->stats_dmae; | |
3063 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3064 | ||
3065 | *stats_comp = DMAE_COMP_VAL; | |
3066 | ||
3067 | /* loader */ | |
3068 | if (bp->executer_idx) { | |
3069 | int loader_idx = PMF_DMAE_C(bp); | |
3070 | ||
3071 | memset(dmae, 0, sizeof(struct dmae_command)); | |
3072 | ||
3073 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
3074 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
3075 | DMAE_CMD_DST_RESET | | |
3076 | #ifdef __BIG_ENDIAN | |
3077 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3078 | #else | |
3079 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3080 | #endif | |
3081 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : | |
3082 | DMAE_CMD_PORT_0) | | |
3083 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
3084 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, dmae[0])); | |
3085 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, dmae[0])); | |
3086 | dmae->dst_addr_lo = (DMAE_REG_CMD_MEM + | |
3087 | sizeof(struct dmae_command) * | |
3088 | (loader_idx + 1)) >> 2; | |
3089 | dmae->dst_addr_hi = 0; | |
3090 | dmae->len = sizeof(struct dmae_command) >> 2; | |
3091 | if (CHIP_IS_E1(bp)) | |
3092 | dmae->len--; | |
3093 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx + 1] >> 2; | |
3094 | dmae->comp_addr_hi = 0; | |
3095 | dmae->comp_val = 1; | |
3096 | ||
3097 | *stats_comp = 0; | |
3098 | bnx2x_post_dmae(bp, dmae, loader_idx); | |
3099 | ||
3100 | } else if (bp->func_stx) { | |
3101 | *stats_comp = 0; | |
3102 | bnx2x_post_dmae(bp, dmae, INIT_DMAE_C(bp)); | |
3103 | } | |
3104 | } | |
3105 | ||
3106 | static int bnx2x_stats_comp(struct bnx2x *bp) | |
3107 | { | |
3108 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3109 | int cnt = 10; | |
3110 | ||
3111 | might_sleep(); | |
3112 | while (*stats_comp != DMAE_COMP_VAL) { | |
3113 | if (!cnt) { | |
3114 | BNX2X_ERR("timeout waiting for stats finished\n"); | |
3115 | break; | |
3116 | } | |
3117 | cnt--; | |
3118 | msleep(1); | |
3119 | } | |
3120 | return 1; | |
3121 | } | |
3122 | ||
3123 | /* | |
3124 | * Statistics service functions | |
3125 | */ | |
3126 | ||
3127 | static void bnx2x_stats_pmf_update(struct bnx2x *bp) | |
3128 | { | |
3129 | struct dmae_command *dmae; | |
3130 | u32 opcode; | |
3131 | int loader_idx = PMF_DMAE_C(bp); | |
3132 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3133 | ||
3134 | /* sanity */ | |
3135 | if (!IS_E1HMF(bp) || !bp->port.pmf || !bp->port.port_stx) { | |
3136 | BNX2X_ERR("BUG!\n"); | |
3137 | return; | |
3138 | } | |
3139 | ||
3140 | bp->executer_idx = 0; | |
3141 | ||
3142 | opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
3143 | DMAE_CMD_C_ENABLE | | |
3144 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3145 | #ifdef __BIG_ENDIAN | |
3146 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3147 | #else | |
3148 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3149 | #endif | |
3150 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
3151 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
3152 | ||
3153 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3154 | dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC); | |
3155 | dmae->src_addr_lo = bp->port.port_stx >> 2; | |
3156 | dmae->src_addr_hi = 0; | |
3157 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); | |
3158 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); | |
3159 | dmae->len = DMAE_LEN32_RD_MAX; | |
3160 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3161 | dmae->comp_addr_hi = 0; | |
3162 | dmae->comp_val = 1; | |
3163 | ||
3164 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3165 | dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); | |
3166 | dmae->src_addr_lo = (bp->port.port_stx >> 2) + DMAE_LEN32_RD_MAX; | |
3167 | dmae->src_addr_hi = 0; | |
3168 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats) + | |
3169 | DMAE_LEN32_RD_MAX * 4); | |
3170 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats) + | |
3171 | DMAE_LEN32_RD_MAX * 4); | |
3172 | dmae->len = (sizeof(struct host_port_stats) >> 2) - DMAE_LEN32_RD_MAX; | |
3173 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
3174 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
3175 | dmae->comp_val = DMAE_COMP_VAL; | |
3176 | ||
3177 | *stats_comp = 0; | |
3178 | bnx2x_hw_stats_post(bp); | |
3179 | bnx2x_stats_comp(bp); | |
3180 | } | |
3181 | ||
3182 | static void bnx2x_port_stats_init(struct bnx2x *bp) | |
3183 | { | |
3184 | struct dmae_command *dmae; | |
3185 | int port = BP_PORT(bp); | |
3186 | int vn = BP_E1HVN(bp); | |
3187 | u32 opcode; | |
3188 | int loader_idx = PMF_DMAE_C(bp); | |
3189 | u32 mac_addr; | |
3190 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3191 | ||
3192 | /* sanity */ | |
3193 | if (!bp->link_vars.link_up || !bp->port.pmf) { | |
3194 | BNX2X_ERR("BUG!\n"); | |
3195 | return; | |
3196 | } | |
3197 | ||
3198 | bp->executer_idx = 0; | |
3199 | ||
3200 | /* MCP */ | |
3201 | opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
3202 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
3203 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3204 | #ifdef __BIG_ENDIAN | |
3205 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3206 | #else | |
3207 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3208 | #endif | |
3209 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
3210 | (vn << DMAE_CMD_E1HVN_SHIFT)); | |
3211 | ||
3212 | if (bp->port.port_stx) { | |
3213 | ||
3214 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3215 | dmae->opcode = opcode; | |
3216 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); | |
3217 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); | |
3218 | dmae->dst_addr_lo = bp->port.port_stx >> 2; | |
3219 | dmae->dst_addr_hi = 0; | |
3220 | dmae->len = sizeof(struct host_port_stats) >> 2; | |
3221 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3222 | dmae->comp_addr_hi = 0; | |
3223 | dmae->comp_val = 1; | |
3224 | } | |
3225 | ||
3226 | if (bp->func_stx) { | |
3227 | ||
3228 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3229 | dmae->opcode = opcode; | |
3230 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); | |
3231 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); | |
3232 | dmae->dst_addr_lo = bp->func_stx >> 2; | |
3233 | dmae->dst_addr_hi = 0; | |
3234 | dmae->len = sizeof(struct host_func_stats) >> 2; | |
3235 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3236 | dmae->comp_addr_hi = 0; | |
3237 | dmae->comp_val = 1; | |
3238 | } | |
3239 | ||
3240 | /* MAC */ | |
3241 | opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
3242 | DMAE_CMD_C_DST_GRC | DMAE_CMD_C_ENABLE | | |
3243 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3244 | #ifdef __BIG_ENDIAN | |
3245 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3246 | #else | |
3247 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3248 | #endif | |
3249 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
3250 | (vn << DMAE_CMD_E1HVN_SHIFT)); | |
3251 | ||
3252 | if (bp->link_vars.mac_type == MAC_TYPE_BMAC) { | |
3253 | ||
3254 | mac_addr = (port ? NIG_REG_INGRESS_BMAC1_MEM : | |
3255 | NIG_REG_INGRESS_BMAC0_MEM); | |
3256 | ||
3257 | /* BIGMAC_REGISTER_TX_STAT_GTPKT .. | |
3258 | BIGMAC_REGISTER_TX_STAT_GTBYT */ | |
3259 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3260 | dmae->opcode = opcode; | |
3261 | dmae->src_addr_lo = (mac_addr + | |
3262 | BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; | |
3263 | dmae->src_addr_hi = 0; | |
3264 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); | |
3265 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); | |
3266 | dmae->len = (8 + BIGMAC_REGISTER_TX_STAT_GTBYT - | |
3267 | BIGMAC_REGISTER_TX_STAT_GTPKT) >> 2; | |
3268 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3269 | dmae->comp_addr_hi = 0; | |
3270 | dmae->comp_val = 1; | |
3271 | ||
3272 | /* BIGMAC_REGISTER_RX_STAT_GR64 .. | |
3273 | BIGMAC_REGISTER_RX_STAT_GRIPJ */ | |
3274 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3275 | dmae->opcode = opcode; | |
3276 | dmae->src_addr_lo = (mac_addr + | |
3277 | BIGMAC_REGISTER_RX_STAT_GR64) >> 2; | |
3278 | dmae->src_addr_hi = 0; | |
3279 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
3280 | offsetof(struct bmac_stats, rx_stat_gr64_lo)); | |
3281 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
3282 | offsetof(struct bmac_stats, rx_stat_gr64_lo)); | |
3283 | dmae->len = (8 + BIGMAC_REGISTER_RX_STAT_GRIPJ - | |
3284 | BIGMAC_REGISTER_RX_STAT_GR64) >> 2; | |
3285 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3286 | dmae->comp_addr_hi = 0; | |
3287 | dmae->comp_val = 1; | |
3288 | ||
3289 | } else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) { | |
3290 | ||
3291 | mac_addr = (port ? GRCBASE_EMAC1 : GRCBASE_EMAC0); | |
3292 | ||
3293 | /* EMAC_REG_EMAC_RX_STAT_AC (EMAC_REG_EMAC_RX_STAT_AC_COUNT)*/ | |
3294 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3295 | dmae->opcode = opcode; | |
3296 | dmae->src_addr_lo = (mac_addr + | |
3297 | EMAC_REG_EMAC_RX_STAT_AC) >> 2; | |
3298 | dmae->src_addr_hi = 0; | |
3299 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats)); | |
3300 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats)); | |
3301 | dmae->len = EMAC_REG_EMAC_RX_STAT_AC_COUNT; | |
3302 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3303 | dmae->comp_addr_hi = 0; | |
3304 | dmae->comp_val = 1; | |
3305 | ||
3306 | /* EMAC_REG_EMAC_RX_STAT_AC_28 */ | |
3307 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3308 | dmae->opcode = opcode; | |
3309 | dmae->src_addr_lo = (mac_addr + | |
3310 | EMAC_REG_EMAC_RX_STAT_AC_28) >> 2; | |
3311 | dmae->src_addr_hi = 0; | |
3312 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
3313 | offsetof(struct emac_stats, rx_stat_falsecarriererrors)); | |
3314 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
3315 | offsetof(struct emac_stats, rx_stat_falsecarriererrors)); | |
3316 | dmae->len = 1; | |
3317 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3318 | dmae->comp_addr_hi = 0; | |
3319 | dmae->comp_val = 1; | |
3320 | ||
3321 | /* EMAC_REG_EMAC_TX_STAT_AC (EMAC_REG_EMAC_TX_STAT_AC_COUNT)*/ | |
3322 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3323 | dmae->opcode = opcode; | |
3324 | dmae->src_addr_lo = (mac_addr + | |
3325 | EMAC_REG_EMAC_TX_STAT_AC) >> 2; | |
3326 | dmae->src_addr_hi = 0; | |
3327 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, mac_stats) + | |
3328 | offsetof(struct emac_stats, tx_stat_ifhcoutoctets)); | |
3329 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, mac_stats) + | |
3330 | offsetof(struct emac_stats, tx_stat_ifhcoutoctets)); | |
3331 | dmae->len = EMAC_REG_EMAC_TX_STAT_AC_COUNT; | |
3332 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3333 | dmae->comp_addr_hi = 0; | |
3334 | dmae->comp_val = 1; | |
3335 | } | |
3336 | ||
3337 | /* NIG */ | |
3338 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3339 | dmae->opcode = opcode; | |
3340 | dmae->src_addr_lo = (port ? NIG_REG_STAT1_BRB_DISCARD : | |
3341 | NIG_REG_STAT0_BRB_DISCARD) >> 2; | |
3342 | dmae->src_addr_hi = 0; | |
3343 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats)); | |
3344 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats)); | |
3345 | dmae->len = (sizeof(struct nig_stats) - 4*sizeof(u32)) >> 2; | |
3346 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3347 | dmae->comp_addr_hi = 0; | |
3348 | dmae->comp_val = 1; | |
3349 | ||
3350 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3351 | dmae->opcode = opcode; | |
3352 | dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT0 : | |
3353 | NIG_REG_STAT0_EGRESS_MAC_PKT0) >> 2; | |
3354 | dmae->src_addr_hi = 0; | |
3355 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) + | |
3356 | offsetof(struct nig_stats, egress_mac_pkt0_lo)); | |
3357 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) + | |
3358 | offsetof(struct nig_stats, egress_mac_pkt0_lo)); | |
3359 | dmae->len = (2*sizeof(u32)) >> 2; | |
3360 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3361 | dmae->comp_addr_hi = 0; | |
3362 | dmae->comp_val = 1; | |
3363 | ||
3364 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3365 | dmae->opcode = (DMAE_CMD_SRC_GRC | DMAE_CMD_DST_PCI | | |
3366 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
3367 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3368 | #ifdef __BIG_ENDIAN | |
3369 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3370 | #else | |
3371 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3372 | #endif | |
3373 | (port ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
3374 | (vn << DMAE_CMD_E1HVN_SHIFT)); | |
3375 | dmae->src_addr_lo = (port ? NIG_REG_STAT1_EGRESS_MAC_PKT1 : | |
3376 | NIG_REG_STAT0_EGRESS_MAC_PKT1) >> 2; | |
3377 | dmae->src_addr_hi = 0; | |
3378 | dmae->dst_addr_lo = U64_LO(bnx2x_sp_mapping(bp, nig_stats) + | |
3379 | offsetof(struct nig_stats, egress_mac_pkt1_lo)); | |
3380 | dmae->dst_addr_hi = U64_HI(bnx2x_sp_mapping(bp, nig_stats) + | |
3381 | offsetof(struct nig_stats, egress_mac_pkt1_lo)); | |
3382 | dmae->len = (2*sizeof(u32)) >> 2; | |
3383 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
3384 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
3385 | dmae->comp_val = DMAE_COMP_VAL; | |
3386 | ||
3387 | *stats_comp = 0; | |
3388 | } | |
3389 | ||
3390 | static void bnx2x_func_stats_init(struct bnx2x *bp) | |
3391 | { | |
3392 | struct dmae_command *dmae = &bp->stats_dmae; | |
3393 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3394 | ||
3395 | /* sanity */ | |
3396 | if (!bp->func_stx) { | |
3397 | BNX2X_ERR("BUG!\n"); | |
3398 | return; | |
3399 | } | |
3400 | ||
3401 | bp->executer_idx = 0; | |
3402 | memset(dmae, 0, sizeof(struct dmae_command)); | |
3403 | ||
3404 | dmae->opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
3405 | DMAE_CMD_C_DST_PCI | DMAE_CMD_C_ENABLE | | |
3406 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3407 | #ifdef __BIG_ENDIAN | |
3408 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3409 | #else | |
3410 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3411 | #endif | |
3412 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
3413 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
3414 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); | |
3415 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); | |
3416 | dmae->dst_addr_lo = bp->func_stx >> 2; | |
3417 | dmae->dst_addr_hi = 0; | |
3418 | dmae->len = sizeof(struct host_func_stats) >> 2; | |
3419 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
3420 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
3421 | dmae->comp_val = DMAE_COMP_VAL; | |
3422 | ||
3423 | *stats_comp = 0; | |
3424 | } | |
3425 | ||
3426 | static void bnx2x_stats_start(struct bnx2x *bp) | |
3427 | { | |
3428 | if (bp->port.pmf) | |
3429 | bnx2x_port_stats_init(bp); | |
3430 | ||
3431 | else if (bp->func_stx) | |
3432 | bnx2x_func_stats_init(bp); | |
3433 | ||
3434 | bnx2x_hw_stats_post(bp); | |
3435 | bnx2x_storm_stats_post(bp); | |
3436 | } | |
3437 | ||
3438 | static void bnx2x_stats_pmf_start(struct bnx2x *bp) | |
3439 | { | |
3440 | bnx2x_stats_comp(bp); | |
3441 | bnx2x_stats_pmf_update(bp); | |
3442 | bnx2x_stats_start(bp); | |
3443 | } | |
3444 | ||
3445 | static void bnx2x_stats_restart(struct bnx2x *bp) | |
3446 | { | |
3447 | bnx2x_stats_comp(bp); | |
3448 | bnx2x_stats_start(bp); | |
3449 | } | |
3450 | ||
3451 | static void bnx2x_bmac_stats_update(struct bnx2x *bp) | |
3452 | { | |
3453 | struct bmac_stats *new = bnx2x_sp(bp, mac_stats.bmac_stats); | |
3454 | struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); | |
3455 | struct regpair diff; | |
3456 | ||
3457 | UPDATE_STAT64(rx_stat_grerb, rx_stat_ifhcinbadoctets); | |
3458 | UPDATE_STAT64(rx_stat_grfcs, rx_stat_dot3statsfcserrors); | |
3459 | UPDATE_STAT64(rx_stat_grund, rx_stat_etherstatsundersizepkts); | |
3460 | UPDATE_STAT64(rx_stat_grovr, rx_stat_dot3statsframestoolong); | |
3461 | UPDATE_STAT64(rx_stat_grfrg, rx_stat_etherstatsfragments); | |
3462 | UPDATE_STAT64(rx_stat_grjbr, rx_stat_etherstatsjabbers); | |
3463 | UPDATE_STAT64(rx_stat_grxcf, rx_stat_maccontrolframesreceived); | |
3464 | UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffstateentered); | |
3465 | UPDATE_STAT64(rx_stat_grxpf, rx_stat_xoffpauseframesreceived); | |
3466 | UPDATE_STAT64(tx_stat_gtxpf, tx_stat_outxoffsent); | |
3467 | UPDATE_STAT64(tx_stat_gtxpf, tx_stat_flowcontroldone); | |
3468 | UPDATE_STAT64(tx_stat_gt64, tx_stat_etherstatspkts64octets); | |
3469 | UPDATE_STAT64(tx_stat_gt127, | |
3470 | tx_stat_etherstatspkts65octetsto127octets); | |
3471 | UPDATE_STAT64(tx_stat_gt255, | |
3472 | tx_stat_etherstatspkts128octetsto255octets); | |
3473 | UPDATE_STAT64(tx_stat_gt511, | |
3474 | tx_stat_etherstatspkts256octetsto511octets); | |
3475 | UPDATE_STAT64(tx_stat_gt1023, | |
3476 | tx_stat_etherstatspkts512octetsto1023octets); | |
3477 | UPDATE_STAT64(tx_stat_gt1518, | |
3478 | tx_stat_etherstatspkts1024octetsto1522octets); | |
3479 | UPDATE_STAT64(tx_stat_gt2047, tx_stat_bmac_2047); | |
3480 | UPDATE_STAT64(tx_stat_gt4095, tx_stat_bmac_4095); | |
3481 | UPDATE_STAT64(tx_stat_gt9216, tx_stat_bmac_9216); | |
3482 | UPDATE_STAT64(tx_stat_gt16383, tx_stat_bmac_16383); | |
3483 | UPDATE_STAT64(tx_stat_gterr, | |
3484 | tx_stat_dot3statsinternalmactransmiterrors); | |
3485 | UPDATE_STAT64(tx_stat_gtufl, tx_stat_bmac_ufl); | |
3486 | } | |
3487 | ||
3488 | static void bnx2x_emac_stats_update(struct bnx2x *bp) | |
3489 | { | |
3490 | struct emac_stats *new = bnx2x_sp(bp, mac_stats.emac_stats); | |
3491 | struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); | |
3492 | ||
3493 | UPDATE_EXTEND_STAT(rx_stat_ifhcinbadoctets); | |
3494 | UPDATE_EXTEND_STAT(tx_stat_ifhcoutbadoctets); | |
3495 | UPDATE_EXTEND_STAT(rx_stat_dot3statsfcserrors); | |
3496 | UPDATE_EXTEND_STAT(rx_stat_dot3statsalignmenterrors); | |
3497 | UPDATE_EXTEND_STAT(rx_stat_dot3statscarriersenseerrors); | |
3498 | UPDATE_EXTEND_STAT(rx_stat_falsecarriererrors); | |
3499 | UPDATE_EXTEND_STAT(rx_stat_etherstatsundersizepkts); | |
3500 | UPDATE_EXTEND_STAT(rx_stat_dot3statsframestoolong); | |
3501 | UPDATE_EXTEND_STAT(rx_stat_etherstatsfragments); | |
3502 | UPDATE_EXTEND_STAT(rx_stat_etherstatsjabbers); | |
3503 | UPDATE_EXTEND_STAT(rx_stat_maccontrolframesreceived); | |
3504 | UPDATE_EXTEND_STAT(rx_stat_xoffstateentered); | |
3505 | UPDATE_EXTEND_STAT(rx_stat_xonpauseframesreceived); | |
3506 | UPDATE_EXTEND_STAT(rx_stat_xoffpauseframesreceived); | |
3507 | UPDATE_EXTEND_STAT(tx_stat_outxonsent); | |
3508 | UPDATE_EXTEND_STAT(tx_stat_outxoffsent); | |
3509 | UPDATE_EXTEND_STAT(tx_stat_flowcontroldone); | |
3510 | UPDATE_EXTEND_STAT(tx_stat_etherstatscollisions); | |
3511 | UPDATE_EXTEND_STAT(tx_stat_dot3statssinglecollisionframes); | |
3512 | UPDATE_EXTEND_STAT(tx_stat_dot3statsmultiplecollisionframes); | |
3513 | UPDATE_EXTEND_STAT(tx_stat_dot3statsdeferredtransmissions); | |
3514 | UPDATE_EXTEND_STAT(tx_stat_dot3statsexcessivecollisions); | |
3515 | UPDATE_EXTEND_STAT(tx_stat_dot3statslatecollisions); | |
3516 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts64octets); | |
3517 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts65octetsto127octets); | |
3518 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts128octetsto255octets); | |
3519 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts256octetsto511octets); | |
3520 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts512octetsto1023octets); | |
3521 | UPDATE_EXTEND_STAT(tx_stat_etherstatspkts1024octetsto1522octets); | |
3522 | UPDATE_EXTEND_STAT(tx_stat_etherstatspktsover1522octets); | |
3523 | UPDATE_EXTEND_STAT(tx_stat_dot3statsinternalmactransmiterrors); | |
3524 | } | |
3525 | ||
3526 | static int bnx2x_hw_stats_update(struct bnx2x *bp) | |
3527 | { | |
3528 | struct nig_stats *new = bnx2x_sp(bp, nig_stats); | |
3529 | struct nig_stats *old = &(bp->port.old_nig_stats); | |
3530 | struct host_port_stats *pstats = bnx2x_sp(bp, port_stats); | |
3531 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
3532 | struct regpair diff; | |
3533 | ||
3534 | if (bp->link_vars.mac_type == MAC_TYPE_BMAC) | |
3535 | bnx2x_bmac_stats_update(bp); | |
3536 | ||
3537 | else if (bp->link_vars.mac_type == MAC_TYPE_EMAC) | |
3538 | bnx2x_emac_stats_update(bp); | |
3539 | ||
3540 | else { /* unreached */ | |
3541 | BNX2X_ERR("stats updated by dmae but no MAC active\n"); | |
3542 | return -1; | |
3543 | } | |
3544 | ||
3545 | ADD_EXTEND_64(pstats->brb_drop_hi, pstats->brb_drop_lo, | |
3546 | new->brb_discard - old->brb_discard); | |
3547 | ADD_EXTEND_64(estats->brb_truncate_hi, estats->brb_truncate_lo, | |
3548 | new->brb_truncate - old->brb_truncate); | |
3549 | ||
3550 | UPDATE_STAT64_NIG(egress_mac_pkt0, | |
3551 | etherstatspkts1024octetsto1522octets); | |
3552 | UPDATE_STAT64_NIG(egress_mac_pkt1, etherstatspktsover1522octets); | |
3553 | ||
3554 | memcpy(old, new, sizeof(struct nig_stats)); | |
3555 | ||
3556 | memcpy(&(estats->rx_stat_ifhcinbadoctets_hi), &(pstats->mac_stx[1]), | |
3557 | sizeof(struct mac_stx)); | |
3558 | estats->brb_drop_hi = pstats->brb_drop_hi; | |
3559 | estats->brb_drop_lo = pstats->brb_drop_lo; | |
3560 | ||
3561 | pstats->host_port_stats_start = ++pstats->host_port_stats_end; | |
3562 | ||
3563 | return 0; | |
3564 | } | |
3565 | ||
3566 | static int bnx2x_storm_stats_update(struct bnx2x *bp) | |
3567 | { | |
3568 | struct eth_stats_query *stats = bnx2x_sp(bp, fw_stats); | |
3569 | int cl_id = BP_CL_ID(bp); | |
3570 | struct tstorm_per_port_stats *tport = | |
3571 | &stats->tstorm_common.port_statistics; | |
3572 | struct tstorm_per_client_stats *tclient = | |
3573 | &stats->tstorm_common.client_statistics[cl_id]; | |
3574 | struct tstorm_per_client_stats *old_tclient = &bp->old_tclient; | |
3575 | struct xstorm_per_client_stats *xclient = | |
3576 | &stats->xstorm_common.client_statistics[cl_id]; | |
3577 | struct xstorm_per_client_stats *old_xclient = &bp->old_xclient; | |
3578 | struct host_func_stats *fstats = bnx2x_sp(bp, func_stats); | |
3579 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
3580 | u32 diff; | |
3581 | ||
3582 | /* are storm stats valid? */ | |
3583 | if ((u16)(le16_to_cpu(tclient->stats_counter) + 1) != | |
3584 | bp->stats_counter) { | |
3585 | DP(BNX2X_MSG_STATS, "stats not updated by tstorm" | |
3586 | " tstorm counter (%d) != stats_counter (%d)\n", | |
3587 | tclient->stats_counter, bp->stats_counter); | |
3588 | return -1; | |
3589 | } | |
3590 | if ((u16)(le16_to_cpu(xclient->stats_counter) + 1) != | |
3591 | bp->stats_counter) { | |
3592 | DP(BNX2X_MSG_STATS, "stats not updated by xstorm" | |
3593 | " xstorm counter (%d) != stats_counter (%d)\n", | |
3594 | xclient->stats_counter, bp->stats_counter); | |
3595 | return -2; | |
3596 | } | |
3597 | ||
3598 | fstats->total_bytes_received_hi = | |
3599 | fstats->valid_bytes_received_hi = | |
3600 | le32_to_cpu(tclient->total_rcv_bytes.hi); | |
3601 | fstats->total_bytes_received_lo = | |
3602 | fstats->valid_bytes_received_lo = | |
3603 | le32_to_cpu(tclient->total_rcv_bytes.lo); | |
3604 | ||
3605 | estats->error_bytes_received_hi = | |
3606 | le32_to_cpu(tclient->rcv_error_bytes.hi); | |
3607 | estats->error_bytes_received_lo = | |
3608 | le32_to_cpu(tclient->rcv_error_bytes.lo); | |
3609 | ADD_64(estats->error_bytes_received_hi, | |
3610 | estats->rx_stat_ifhcinbadoctets_hi, | |
3611 | estats->error_bytes_received_lo, | |
3612 | estats->rx_stat_ifhcinbadoctets_lo); | |
3613 | ||
3614 | ADD_64(fstats->total_bytes_received_hi, | |
3615 | estats->error_bytes_received_hi, | |
3616 | fstats->total_bytes_received_lo, | |
3617 | estats->error_bytes_received_lo); | |
3618 | ||
3619 | UPDATE_EXTEND_TSTAT(rcv_unicast_pkts, total_unicast_packets_received); | |
3620 | UPDATE_EXTEND_TSTAT(rcv_multicast_pkts, | |
3621 | total_multicast_packets_received); | |
3622 | UPDATE_EXTEND_TSTAT(rcv_broadcast_pkts, | |
3623 | total_broadcast_packets_received); | |
3624 | ||
3625 | fstats->total_bytes_transmitted_hi = | |
3626 | le32_to_cpu(xclient->total_sent_bytes.hi); | |
3627 | fstats->total_bytes_transmitted_lo = | |
3628 | le32_to_cpu(xclient->total_sent_bytes.lo); | |
3629 | ||
3630 | UPDATE_EXTEND_XSTAT(unicast_pkts_sent, | |
3631 | total_unicast_packets_transmitted); | |
3632 | UPDATE_EXTEND_XSTAT(multicast_pkts_sent, | |
3633 | total_multicast_packets_transmitted); | |
3634 | UPDATE_EXTEND_XSTAT(broadcast_pkts_sent, | |
3635 | total_broadcast_packets_transmitted); | |
3636 | ||
3637 | memcpy(estats, &(fstats->total_bytes_received_hi), | |
3638 | sizeof(struct host_func_stats) - 2*sizeof(u32)); | |
3639 | ||
3640 | estats->mac_filter_discard = le32_to_cpu(tport->mac_filter_discard); | |
3641 | estats->xxoverflow_discard = le32_to_cpu(tport->xxoverflow_discard); | |
3642 | estats->brb_truncate_discard = | |
3643 | le32_to_cpu(tport->brb_truncate_discard); | |
3644 | estats->mac_discard = le32_to_cpu(tport->mac_discard); | |
3645 | ||
3646 | old_tclient->rcv_unicast_bytes.hi = | |
3647 | le32_to_cpu(tclient->rcv_unicast_bytes.hi); | |
3648 | old_tclient->rcv_unicast_bytes.lo = | |
3649 | le32_to_cpu(tclient->rcv_unicast_bytes.lo); | |
3650 | old_tclient->rcv_broadcast_bytes.hi = | |
3651 | le32_to_cpu(tclient->rcv_broadcast_bytes.hi); | |
3652 | old_tclient->rcv_broadcast_bytes.lo = | |
3653 | le32_to_cpu(tclient->rcv_broadcast_bytes.lo); | |
3654 | old_tclient->rcv_multicast_bytes.hi = | |
3655 | le32_to_cpu(tclient->rcv_multicast_bytes.hi); | |
3656 | old_tclient->rcv_multicast_bytes.lo = | |
3657 | le32_to_cpu(tclient->rcv_multicast_bytes.lo); | |
3658 | old_tclient->total_rcv_pkts = le32_to_cpu(tclient->total_rcv_pkts); | |
3659 | ||
3660 | old_tclient->checksum_discard = le32_to_cpu(tclient->checksum_discard); | |
3661 | old_tclient->packets_too_big_discard = | |
3662 | le32_to_cpu(tclient->packets_too_big_discard); | |
3663 | estats->no_buff_discard = | |
3664 | old_tclient->no_buff_discard = le32_to_cpu(tclient->no_buff_discard); | |
3665 | old_tclient->ttl0_discard = le32_to_cpu(tclient->ttl0_discard); | |
3666 | ||
3667 | old_xclient->total_sent_pkts = le32_to_cpu(xclient->total_sent_pkts); | |
3668 | old_xclient->unicast_bytes_sent.hi = | |
3669 | le32_to_cpu(xclient->unicast_bytes_sent.hi); | |
3670 | old_xclient->unicast_bytes_sent.lo = | |
3671 | le32_to_cpu(xclient->unicast_bytes_sent.lo); | |
3672 | old_xclient->multicast_bytes_sent.hi = | |
3673 | le32_to_cpu(xclient->multicast_bytes_sent.hi); | |
3674 | old_xclient->multicast_bytes_sent.lo = | |
3675 | le32_to_cpu(xclient->multicast_bytes_sent.lo); | |
3676 | old_xclient->broadcast_bytes_sent.hi = | |
3677 | le32_to_cpu(xclient->broadcast_bytes_sent.hi); | |
3678 | old_xclient->broadcast_bytes_sent.lo = | |
3679 | le32_to_cpu(xclient->broadcast_bytes_sent.lo); | |
3680 | ||
3681 | fstats->host_func_stats_start = ++fstats->host_func_stats_end; | |
3682 | ||
3683 | return 0; | |
3684 | } | |
3685 | ||
3686 | static void bnx2x_net_stats_update(struct bnx2x *bp) | |
3687 | { | |
3688 | struct tstorm_per_client_stats *old_tclient = &bp->old_tclient; | |
3689 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
3690 | struct net_device_stats *nstats = &bp->dev->stats; | |
3691 | ||
3692 | nstats->rx_packets = | |
3693 | bnx2x_hilo(&estats->total_unicast_packets_received_hi) + | |
3694 | bnx2x_hilo(&estats->total_multicast_packets_received_hi) + | |
3695 | bnx2x_hilo(&estats->total_broadcast_packets_received_hi); | |
3696 | ||
3697 | nstats->tx_packets = | |
3698 | bnx2x_hilo(&estats->total_unicast_packets_transmitted_hi) + | |
3699 | bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi) + | |
3700 | bnx2x_hilo(&estats->total_broadcast_packets_transmitted_hi); | |
3701 | ||
3702 | nstats->rx_bytes = bnx2x_hilo(&estats->valid_bytes_received_hi); | |
3703 | ||
3704 | nstats->tx_bytes = bnx2x_hilo(&estats->total_bytes_transmitted_hi); | |
3705 | ||
3706 | nstats->rx_dropped = old_tclient->checksum_discard + | |
3707 | estats->mac_discard; | |
3708 | nstats->tx_dropped = 0; | |
3709 | ||
3710 | nstats->multicast = | |
3711 | bnx2x_hilo(&estats->total_multicast_packets_transmitted_hi); | |
3712 | ||
3713 | nstats->collisions = | |
3714 | estats->tx_stat_dot3statssinglecollisionframes_lo + | |
3715 | estats->tx_stat_dot3statsmultiplecollisionframes_lo + | |
3716 | estats->tx_stat_dot3statslatecollisions_lo + | |
3717 | estats->tx_stat_dot3statsexcessivecollisions_lo; | |
3718 | ||
3719 | estats->jabber_packets_received = | |
3720 | old_tclient->packets_too_big_discard + | |
3721 | estats->rx_stat_dot3statsframestoolong_lo; | |
3722 | ||
3723 | nstats->rx_length_errors = | |
3724 | estats->rx_stat_etherstatsundersizepkts_lo + | |
3725 | estats->jabber_packets_received; | |
3726 | nstats->rx_over_errors = estats->brb_drop_lo + estats->brb_truncate_lo; | |
3727 | nstats->rx_crc_errors = estats->rx_stat_dot3statsfcserrors_lo; | |
3728 | nstats->rx_frame_errors = estats->rx_stat_dot3statsalignmenterrors_lo; | |
3729 | nstats->rx_fifo_errors = old_tclient->no_buff_discard; | |
3730 | nstats->rx_missed_errors = estats->xxoverflow_discard; | |
3731 | ||
3732 | nstats->rx_errors = nstats->rx_length_errors + | |
3733 | nstats->rx_over_errors + | |
3734 | nstats->rx_crc_errors + | |
3735 | nstats->rx_frame_errors + | |
3736 | nstats->rx_fifo_errors + | |
3737 | nstats->rx_missed_errors; | |
3738 | ||
3739 | nstats->tx_aborted_errors = | |
3740 | estats->tx_stat_dot3statslatecollisions_lo + | |
3741 | estats->tx_stat_dot3statsexcessivecollisions_lo; | |
3742 | nstats->tx_carrier_errors = estats->rx_stat_falsecarriererrors_lo; | |
3743 | nstats->tx_fifo_errors = 0; | |
3744 | nstats->tx_heartbeat_errors = 0; | |
3745 | nstats->tx_window_errors = 0; | |
3746 | ||
3747 | nstats->tx_errors = nstats->tx_aborted_errors + | |
3748 | nstats->tx_carrier_errors; | |
3749 | } | |
3750 | ||
3751 | static void bnx2x_stats_update(struct bnx2x *bp) | |
3752 | { | |
3753 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3754 | int update = 0; | |
3755 | ||
3756 | if (*stats_comp != DMAE_COMP_VAL) | |
3757 | return; | |
3758 | ||
3759 | if (bp->port.pmf) | |
3760 | update = (bnx2x_hw_stats_update(bp) == 0); | |
3761 | ||
3762 | update |= (bnx2x_storm_stats_update(bp) == 0); | |
3763 | ||
3764 | if (update) | |
3765 | bnx2x_net_stats_update(bp); | |
3766 | ||
3767 | else { | |
3768 | if (bp->stats_pending) { | |
3769 | bp->stats_pending++; | |
3770 | if (bp->stats_pending == 3) { | |
3771 | BNX2X_ERR("stats not updated for 3 times\n"); | |
3772 | bnx2x_panic(); | |
3773 | return; | |
3774 | } | |
3775 | } | |
3776 | } | |
3777 | ||
3778 | if (bp->msglevel & NETIF_MSG_TIMER) { | |
3779 | struct tstorm_per_client_stats *old_tclient = &bp->old_tclient; | |
3780 | struct bnx2x_eth_stats *estats = &bp->eth_stats; | |
3781 | struct net_device_stats *nstats = &bp->dev->stats; | |
3782 | int i; | |
3783 | ||
3784 | printk(KERN_DEBUG "%s:\n", bp->dev->name); | |
3785 | printk(KERN_DEBUG " tx avail (%4x) tx hc idx (%x)" | |
3786 | " tx pkt (%lx)\n", | |
3787 | bnx2x_tx_avail(bp->fp), | |
3788 | le16_to_cpu(*bp->fp->tx_cons_sb), nstats->tx_packets); | |
3789 | printk(KERN_DEBUG " rx usage (%4x) rx hc idx (%x)" | |
3790 | " rx pkt (%lx)\n", | |
3791 | (u16)(le16_to_cpu(*bp->fp->rx_cons_sb) - | |
3792 | bp->fp->rx_comp_cons), | |
3793 | le16_to_cpu(*bp->fp->rx_cons_sb), nstats->rx_packets); | |
3794 | printk(KERN_DEBUG " %s (Xoff events %u) brb drops %u\n", | |
3795 | netif_queue_stopped(bp->dev) ? "Xoff" : "Xon", | |
3796 | estats->driver_xoff, estats->brb_drop_lo); | |
3797 | printk(KERN_DEBUG "tstats: checksum_discard %u " | |
3798 | "packets_too_big_discard %u no_buff_discard %u " | |
3799 | "mac_discard %u mac_filter_discard %u " | |
3800 | "xxovrflow_discard %u brb_truncate_discard %u " | |
3801 | "ttl0_discard %u\n", | |
3802 | old_tclient->checksum_discard, | |
3803 | old_tclient->packets_too_big_discard, | |
3804 | old_tclient->no_buff_discard, estats->mac_discard, | |
3805 | estats->mac_filter_discard, estats->xxoverflow_discard, | |
3806 | estats->brb_truncate_discard, | |
3807 | old_tclient->ttl0_discard); | |
3808 | ||
3809 | for_each_queue(bp, i) { | |
3810 | printk(KERN_DEBUG "[%d]: %lu\t%lu\t%lu\n", i, | |
3811 | bnx2x_fp(bp, i, tx_pkt), | |
3812 | bnx2x_fp(bp, i, rx_pkt), | |
3813 | bnx2x_fp(bp, i, rx_calls)); | |
3814 | } | |
3815 | } | |
3816 | ||
3817 | bnx2x_hw_stats_post(bp); | |
3818 | bnx2x_storm_stats_post(bp); | |
3819 | } | |
3820 | ||
3821 | static void bnx2x_port_stats_stop(struct bnx2x *bp) | |
3822 | { | |
3823 | struct dmae_command *dmae; | |
3824 | u32 opcode; | |
3825 | int loader_idx = PMF_DMAE_C(bp); | |
3826 | u32 *stats_comp = bnx2x_sp(bp, stats_comp); | |
3827 | ||
3828 | bp->executer_idx = 0; | |
3829 | ||
3830 | opcode = (DMAE_CMD_SRC_PCI | DMAE_CMD_DST_GRC | | |
3831 | DMAE_CMD_C_ENABLE | | |
3832 | DMAE_CMD_SRC_RESET | DMAE_CMD_DST_RESET | | |
3833 | #ifdef __BIG_ENDIAN | |
3834 | DMAE_CMD_ENDIANITY_B_DW_SWAP | | |
3835 | #else | |
3836 | DMAE_CMD_ENDIANITY_DW_SWAP | | |
3837 | #endif | |
3838 | (BP_PORT(bp) ? DMAE_CMD_PORT_1 : DMAE_CMD_PORT_0) | | |
3839 | (BP_E1HVN(bp) << DMAE_CMD_E1HVN_SHIFT)); | |
3840 | ||
3841 | if (bp->port.port_stx) { | |
3842 | ||
3843 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3844 | if (bp->func_stx) | |
3845 | dmae->opcode = (opcode | DMAE_CMD_C_DST_GRC); | |
3846 | else | |
3847 | dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); | |
3848 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, port_stats)); | |
3849 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, port_stats)); | |
3850 | dmae->dst_addr_lo = bp->port.port_stx >> 2; | |
3851 | dmae->dst_addr_hi = 0; | |
3852 | dmae->len = sizeof(struct host_port_stats) >> 2; | |
3853 | if (bp->func_stx) { | |
3854 | dmae->comp_addr_lo = dmae_reg_go_c[loader_idx] >> 2; | |
3855 | dmae->comp_addr_hi = 0; | |
3856 | dmae->comp_val = 1; | |
3857 | } else { | |
3858 | dmae->comp_addr_lo = | |
3859 | U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
3860 | dmae->comp_addr_hi = | |
3861 | U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
3862 | dmae->comp_val = DMAE_COMP_VAL; | |
3863 | ||
3864 | *stats_comp = 0; | |
3865 | } | |
3866 | } | |
3867 | ||
3868 | if (bp->func_stx) { | |
3869 | ||
3870 | dmae = bnx2x_sp(bp, dmae[bp->executer_idx++]); | |
3871 | dmae->opcode = (opcode | DMAE_CMD_C_DST_PCI); | |
3872 | dmae->src_addr_lo = U64_LO(bnx2x_sp_mapping(bp, func_stats)); | |
3873 | dmae->src_addr_hi = U64_HI(bnx2x_sp_mapping(bp, func_stats)); | |
3874 | dmae->dst_addr_lo = bp->func_stx >> 2; | |
3875 | dmae->dst_addr_hi = 0; | |
3876 | dmae->len = sizeof(struct host_func_stats) >> 2; | |
3877 | dmae->comp_addr_lo = U64_LO(bnx2x_sp_mapping(bp, stats_comp)); | |
3878 | dmae->comp_addr_hi = U64_HI(bnx2x_sp_mapping(bp, stats_comp)); | |
3879 | dmae->comp_val = DMAE_COMP_VAL; | |
3880 | ||
3881 | *stats_comp = 0; | |
3882 | } | |
3883 | } | |
3884 | ||
3885 | static void bnx2x_stats_stop(struct bnx2x *bp) | |
3886 | { | |
3887 | int update = 0; | |
3888 | ||
3889 | bnx2x_stats_comp(bp); | |
3890 | ||
3891 | if (bp->port.pmf) | |
3892 | update = (bnx2x_hw_stats_update(bp) == 0); | |
3893 | ||
3894 | update |= (bnx2x_storm_stats_update(bp) == 0); | |
3895 | ||
3896 | if (update) { | |
3897 | bnx2x_net_stats_update(bp); | |
3898 | ||
3899 | if (bp->port.pmf) | |
3900 | bnx2x_port_stats_stop(bp); | |
3901 | ||
3902 | bnx2x_hw_stats_post(bp); | |
3903 | bnx2x_stats_comp(bp); | |
3904 | } | |
3905 | } | |
3906 | ||
3907 | static void bnx2x_stats_do_nothing(struct bnx2x *bp) | |
3908 | { | |
3909 | } | |
3910 | ||
3911 | static const struct { | |
3912 | void (*action)(struct bnx2x *bp); | |
3913 | enum bnx2x_stats_state next_state; | |
3914 | } bnx2x_stats_stm[STATS_STATE_MAX][STATS_EVENT_MAX] = { | |
3915 | /* state event */ | |
3916 | { | |
3917 | /* DISABLED PMF */ {bnx2x_stats_pmf_update, STATS_STATE_DISABLED}, | |
3918 | /* LINK_UP */ {bnx2x_stats_start, STATS_STATE_ENABLED}, | |
3919 | /* UPDATE */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED}, | |
3920 | /* STOP */ {bnx2x_stats_do_nothing, STATS_STATE_DISABLED} | |
3921 | }, | |
3922 | { | |
3923 | /* ENABLED PMF */ {bnx2x_stats_pmf_start, STATS_STATE_ENABLED}, | |
3924 | /* LINK_UP */ {bnx2x_stats_restart, STATS_STATE_ENABLED}, | |
3925 | /* UPDATE */ {bnx2x_stats_update, STATS_STATE_ENABLED}, | |
3926 | /* STOP */ {bnx2x_stats_stop, STATS_STATE_DISABLED} | |
3927 | } | |
3928 | }; | |
3929 | ||
3930 | static void bnx2x_stats_handle(struct bnx2x *bp, enum bnx2x_stats_event event) | |
3931 | { | |
3932 | enum bnx2x_stats_state state = bp->stats_state; | |
3933 | ||
3934 | bnx2x_stats_stm[state][event].action(bp); | |
3935 | bp->stats_state = bnx2x_stats_stm[state][event].next_state; | |
3936 | ||
3937 | if ((event != STATS_EVENT_UPDATE) || (bp->msglevel & NETIF_MSG_TIMER)) | |
3938 | DP(BNX2X_MSG_STATS, "state %d -> event %d -> state %d\n", | |
3939 | state, event, bp->stats_state); | |
3940 | } | |
3941 | ||
3942 | static void bnx2x_timer(unsigned long data) | |
3943 | { | |
3944 | struct bnx2x *bp = (struct bnx2x *) data; | |
3945 | ||
3946 | if (!netif_running(bp->dev)) | |
3947 | return; | |
3948 | ||
3949 | if (atomic_read(&bp->intr_sem) != 0) | |
3950 | goto timer_restart; | |
3951 | ||
3952 | if (poll) { | |
3953 | struct bnx2x_fastpath *fp = &bp->fp[0]; | |
3954 | int rc; | |
3955 | ||
3956 | bnx2x_tx_int(fp, 1000); | |
3957 | rc = bnx2x_rx_int(fp, 1000); | |
3958 | } | |
3959 | ||
3960 | if (!BP_NOMCP(bp)) { | |
3961 | int func = BP_FUNC(bp); | |
3962 | u32 drv_pulse; | |
3963 | u32 mcp_pulse; | |
3964 | ||
3965 | ++bp->fw_drv_pulse_wr_seq; | |
3966 | bp->fw_drv_pulse_wr_seq &= DRV_PULSE_SEQ_MASK; | |
3967 | /* TBD - add SYSTEM_TIME */ | |
3968 | drv_pulse = bp->fw_drv_pulse_wr_seq; | |
3969 | SHMEM_WR(bp, func_mb[func].drv_pulse_mb, drv_pulse); | |
3970 | ||
3971 | mcp_pulse = (SHMEM_RD(bp, func_mb[func].mcp_pulse_mb) & | |
3972 | MCP_PULSE_SEQ_MASK); | |
3973 | /* The delta between driver pulse and mcp response | |
3974 | * should be 1 (before mcp response) or 0 (after mcp response) | |
3975 | */ | |
3976 | if ((drv_pulse != mcp_pulse) && | |
3977 | (drv_pulse != ((mcp_pulse + 1) & MCP_PULSE_SEQ_MASK))) { | |
3978 | /* someone lost a heartbeat... */ | |
3979 | BNX2X_ERR("drv_pulse (0x%x) != mcp_pulse (0x%x)\n", | |
3980 | drv_pulse, mcp_pulse); | |
3981 | } | |
3982 | } | |
3983 | ||
3984 | if ((bp->state == BNX2X_STATE_OPEN) || | |
3985 | (bp->state == BNX2X_STATE_DISABLED)) | |
3986 | bnx2x_stats_handle(bp, STATS_EVENT_UPDATE); | |
3987 | ||
3988 | timer_restart: | |
3989 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
3990 | } | |
3991 | ||
3992 | /* end of Statistics */ | |
3993 | ||
3994 | /* nic init */ | |
3995 | ||
3996 | /* | |
3997 | * nic init service functions | |
3998 | */ | |
3999 | ||
4000 | static void bnx2x_zero_sb(struct bnx2x *bp, int sb_id) | |
4001 | { | |
4002 | int port = BP_PORT(bp); | |
4003 | ||
4004 | bnx2x_init_fill(bp, BAR_USTRORM_INTMEM + | |
4005 | USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0, | |
4006 | sizeof(struct ustorm_status_block)/4); | |
4007 | bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM + | |
4008 | CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), 0, | |
4009 | sizeof(struct cstorm_status_block)/4); | |
4010 | } | |
4011 | ||
4012 | static void bnx2x_init_sb(struct bnx2x *bp, struct host_status_block *sb, | |
4013 | dma_addr_t mapping, int sb_id) | |
4014 | { | |
4015 | int port = BP_PORT(bp); | |
4016 | int func = BP_FUNC(bp); | |
4017 | int index; | |
4018 | u64 section; | |
4019 | ||
4020 | /* USTORM */ | |
4021 | section = ((u64)mapping) + offsetof(struct host_status_block, | |
4022 | u_status_block); | |
4023 | sb->u_status_block.status_block_id = sb_id; | |
4024 | ||
4025 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4026 | USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section)); | |
4027 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4028 | ((USTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4), | |
4029 | U64_HI(section)); | |
4030 | REG_WR8(bp, BAR_USTRORM_INTMEM + FP_USB_FUNC_OFF + | |
4031 | USTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func); | |
4032 | ||
4033 | for (index = 0; index < HC_USTORM_SB_NUM_INDICES; index++) | |
4034 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
4035 | USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1); | |
4036 | ||
4037 | /* CSTORM */ | |
4038 | section = ((u64)mapping) + offsetof(struct host_status_block, | |
4039 | c_status_block); | |
4040 | sb->c_status_block.status_block_id = sb_id; | |
4041 | ||
4042 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4043 | CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id), U64_LO(section)); | |
4044 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4045 | ((CSTORM_SB_HOST_SB_ADDR_OFFSET(port, sb_id)) + 4), | |
4046 | U64_HI(section)); | |
4047 | REG_WR8(bp, BAR_CSTRORM_INTMEM + FP_CSB_FUNC_OFF + | |
4048 | CSTORM_SB_HOST_STATUS_BLOCK_OFFSET(port, sb_id), func); | |
4049 | ||
4050 | for (index = 0; index < HC_CSTORM_SB_NUM_INDICES; index++) | |
4051 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
4052 | CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, index), 1); | |
4053 | ||
4054 | bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
4055 | } | |
4056 | ||
4057 | static void bnx2x_zero_def_sb(struct bnx2x *bp) | |
4058 | { | |
4059 | int func = BP_FUNC(bp); | |
4060 | ||
4061 | bnx2x_init_fill(bp, BAR_USTRORM_INTMEM + | |
4062 | USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, | |
4063 | sizeof(struct ustorm_def_status_block)/4); | |
4064 | bnx2x_init_fill(bp, BAR_CSTRORM_INTMEM + | |
4065 | CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, | |
4066 | sizeof(struct cstorm_def_status_block)/4); | |
4067 | bnx2x_init_fill(bp, BAR_XSTRORM_INTMEM + | |
4068 | XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, | |
4069 | sizeof(struct xstorm_def_status_block)/4); | |
4070 | bnx2x_init_fill(bp, BAR_TSTRORM_INTMEM + | |
4071 | TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), 0, | |
4072 | sizeof(struct tstorm_def_status_block)/4); | |
4073 | } | |
4074 | ||
4075 | static void bnx2x_init_def_sb(struct bnx2x *bp, | |
4076 | struct host_def_status_block *def_sb, | |
4077 | dma_addr_t mapping, int sb_id) | |
4078 | { | |
4079 | int port = BP_PORT(bp); | |
4080 | int func = BP_FUNC(bp); | |
4081 | int index, val, reg_offset; | |
4082 | u64 section; | |
4083 | ||
4084 | /* ATTN */ | |
4085 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4086 | atten_status_block); | |
4087 | def_sb->atten_status_block.status_block_id = sb_id; | |
4088 | ||
4089 | bp->attn_state = 0; | |
4090 | ||
4091 | reg_offset = (port ? MISC_REG_AEU_ENABLE1_FUNC_1_OUT_0 : | |
4092 | MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
4093 | ||
4094 | for (index = 0; index < MAX_DYNAMIC_ATTN_GRPS; index++) { | |
4095 | bp->attn_group[index].sig[0] = REG_RD(bp, | |
4096 | reg_offset + 0x10*index); | |
4097 | bp->attn_group[index].sig[1] = REG_RD(bp, | |
4098 | reg_offset + 0x4 + 0x10*index); | |
4099 | bp->attn_group[index].sig[2] = REG_RD(bp, | |
4100 | reg_offset + 0x8 + 0x10*index); | |
4101 | bp->attn_group[index].sig[3] = REG_RD(bp, | |
4102 | reg_offset + 0xc + 0x10*index); | |
4103 | } | |
4104 | ||
4105 | reg_offset = (port ? HC_REG_ATTN_MSG1_ADDR_L : | |
4106 | HC_REG_ATTN_MSG0_ADDR_L); | |
4107 | ||
4108 | REG_WR(bp, reg_offset, U64_LO(section)); | |
4109 | REG_WR(bp, reg_offset + 4, U64_HI(section)); | |
4110 | ||
4111 | reg_offset = (port ? HC_REG_ATTN_NUM_P1 : HC_REG_ATTN_NUM_P0); | |
4112 | ||
4113 | val = REG_RD(bp, reg_offset); | |
4114 | val |= sb_id; | |
4115 | REG_WR(bp, reg_offset, val); | |
4116 | ||
4117 | /* USTORM */ | |
4118 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4119 | u_def_status_block); | |
4120 | def_sb->u_def_status_block.status_block_id = sb_id; | |
4121 | ||
4122 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4123 | USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); | |
4124 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4125 | ((USTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), | |
4126 | U64_HI(section)); | |
4127 | REG_WR8(bp, BAR_USTRORM_INTMEM + DEF_USB_FUNC_OFF + | |
4128 | USTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); | |
4129 | ||
4130 | for (index = 0; index < HC_USTORM_DEF_SB_NUM_INDICES; index++) | |
4131 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
4132 | USTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); | |
4133 | ||
4134 | /* CSTORM */ | |
4135 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4136 | c_def_status_block); | |
4137 | def_sb->c_def_status_block.status_block_id = sb_id; | |
4138 | ||
4139 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4140 | CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); | |
4141 | REG_WR(bp, BAR_CSTRORM_INTMEM + | |
4142 | ((CSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), | |
4143 | U64_HI(section)); | |
4144 | REG_WR8(bp, BAR_CSTRORM_INTMEM + DEF_CSB_FUNC_OFF + | |
4145 | CSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); | |
4146 | ||
4147 | for (index = 0; index < HC_CSTORM_DEF_SB_NUM_INDICES; index++) | |
4148 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
4149 | CSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); | |
4150 | ||
4151 | /* TSTORM */ | |
4152 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4153 | t_def_status_block); | |
4154 | def_sb->t_def_status_block.status_block_id = sb_id; | |
4155 | ||
4156 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4157 | TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); | |
4158 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4159 | ((TSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), | |
4160 | U64_HI(section)); | |
4161 | REG_WR8(bp, BAR_TSTRORM_INTMEM + DEF_TSB_FUNC_OFF + | |
4162 | TSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); | |
4163 | ||
4164 | for (index = 0; index < HC_TSTORM_DEF_SB_NUM_INDICES; index++) | |
4165 | REG_WR16(bp, BAR_TSTRORM_INTMEM + | |
4166 | TSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); | |
4167 | ||
4168 | /* XSTORM */ | |
4169 | section = ((u64)mapping) + offsetof(struct host_def_status_block, | |
4170 | x_def_status_block); | |
4171 | def_sb->x_def_status_block.status_block_id = sb_id; | |
4172 | ||
4173 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4174 | XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func), U64_LO(section)); | |
4175 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4176 | ((XSTORM_DEF_SB_HOST_SB_ADDR_OFFSET(func)) + 4), | |
4177 | U64_HI(section)); | |
4178 | REG_WR8(bp, BAR_XSTRORM_INTMEM + DEF_XSB_FUNC_OFF + | |
4179 | XSTORM_DEF_SB_HOST_STATUS_BLOCK_OFFSET(func), func); | |
4180 | ||
4181 | for (index = 0; index < HC_XSTORM_DEF_SB_NUM_INDICES; index++) | |
4182 | REG_WR16(bp, BAR_XSTRORM_INTMEM + | |
4183 | XSTORM_DEF_SB_HC_DISABLE_OFFSET(func, index), 1); | |
4184 | ||
4185 | bp->stats_pending = 0; | |
4186 | bp->set_mac_pending = 0; | |
4187 | ||
4188 | bnx2x_ack_sb(bp, sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
4189 | } | |
4190 | ||
4191 | static void bnx2x_update_coalesce(struct bnx2x *bp) | |
4192 | { | |
4193 | int port = BP_PORT(bp); | |
4194 | int i; | |
4195 | ||
4196 | for_each_queue(bp, i) { | |
4197 | int sb_id = bp->fp[i].sb_id; | |
4198 | ||
4199 | /* HC_INDEX_U_ETH_RX_CQ_CONS */ | |
4200 | REG_WR8(bp, BAR_USTRORM_INTMEM + | |
4201 | USTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id, | |
4202 | U_SB_ETH_RX_CQ_INDEX), | |
4203 | bp->rx_ticks/12); | |
4204 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
4205 | USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, | |
4206 | U_SB_ETH_RX_CQ_INDEX), | |
4207 | bp->rx_ticks ? 0 : 1); | |
4208 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
4209 | USTORM_SB_HC_DISABLE_OFFSET(port, sb_id, | |
4210 | U_SB_ETH_RX_BD_INDEX), | |
4211 | bp->rx_ticks ? 0 : 1); | |
4212 | ||
4213 | /* HC_INDEX_C_ETH_TX_CQ_CONS */ | |
4214 | REG_WR8(bp, BAR_CSTRORM_INTMEM + | |
4215 | CSTORM_SB_HC_TIMEOUT_OFFSET(port, sb_id, | |
4216 | C_SB_ETH_TX_CQ_INDEX), | |
4217 | bp->tx_ticks/12); | |
4218 | REG_WR16(bp, BAR_CSTRORM_INTMEM + | |
4219 | CSTORM_SB_HC_DISABLE_OFFSET(port, sb_id, | |
4220 | C_SB_ETH_TX_CQ_INDEX), | |
4221 | bp->tx_ticks ? 0 : 1); | |
4222 | } | |
4223 | } | |
4224 | ||
4225 | static inline void bnx2x_free_tpa_pool(struct bnx2x *bp, | |
4226 | struct bnx2x_fastpath *fp, int last) | |
4227 | { | |
4228 | int i; | |
4229 | ||
4230 | for (i = 0; i < last; i++) { | |
4231 | struct sw_rx_bd *rx_buf = &(fp->tpa_pool[i]); | |
4232 | struct sk_buff *skb = rx_buf->skb; | |
4233 | ||
4234 | if (skb == NULL) { | |
4235 | DP(NETIF_MSG_IFDOWN, "tpa bin %d empty on free\n", i); | |
4236 | continue; | |
4237 | } | |
4238 | ||
4239 | if (fp->tpa_state[i] == BNX2X_TPA_START) | |
4240 | pci_unmap_single(bp->pdev, | |
4241 | pci_unmap_addr(rx_buf, mapping), | |
4242 | bp->rx_buf_size, | |
4243 | PCI_DMA_FROMDEVICE); | |
4244 | ||
4245 | dev_kfree_skb(skb); | |
4246 | rx_buf->skb = NULL; | |
4247 | } | |
4248 | } | |
4249 | ||
4250 | static void bnx2x_init_rx_rings(struct bnx2x *bp) | |
4251 | { | |
4252 | int func = BP_FUNC(bp); | |
4253 | int max_agg_queues = CHIP_IS_E1(bp) ? ETH_MAX_AGGREGATION_QUEUES_E1 : | |
4254 | ETH_MAX_AGGREGATION_QUEUES_E1H; | |
4255 | u16 ring_prod, cqe_ring_prod; | |
4256 | int i, j; | |
4257 | ||
4258 | bp->rx_buf_size = bp->dev->mtu; | |
4259 | bp->rx_buf_size += bp->rx_offset + ETH_OVREHEAD + | |
4260 | BCM_RX_ETH_PAYLOAD_ALIGN; | |
4261 | ||
4262 | if (bp->flags & TPA_ENABLE_FLAG) { | |
4263 | DP(NETIF_MSG_IFUP, | |
4264 | "rx_buf_size %d effective_mtu %d\n", | |
4265 | bp->rx_buf_size, bp->dev->mtu + ETH_OVREHEAD); | |
4266 | ||
4267 | for_each_queue(bp, j) { | |
4268 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
4269 | ||
4270 | for (i = 0; i < max_agg_queues; i++) { | |
4271 | fp->tpa_pool[i].skb = | |
4272 | netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
4273 | if (!fp->tpa_pool[i].skb) { | |
4274 | BNX2X_ERR("Failed to allocate TPA " | |
4275 | "skb pool for queue[%d] - " | |
4276 | "disabling TPA on this " | |
4277 | "queue!\n", j); | |
4278 | bnx2x_free_tpa_pool(bp, fp, i); | |
4279 | fp->disable_tpa = 1; | |
4280 | break; | |
4281 | } | |
4282 | pci_unmap_addr_set((struct sw_rx_bd *) | |
4283 | &bp->fp->tpa_pool[i], | |
4284 | mapping, 0); | |
4285 | fp->tpa_state[i] = BNX2X_TPA_STOP; | |
4286 | } | |
4287 | } | |
4288 | } | |
4289 | ||
4290 | for_each_queue(bp, j) { | |
4291 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
4292 | ||
4293 | fp->rx_bd_cons = 0; | |
4294 | fp->rx_cons_sb = BNX2X_RX_SB_INDEX; | |
4295 | fp->rx_bd_cons_sb = BNX2X_RX_SB_BD_INDEX; | |
4296 | ||
4297 | /* "next page" elements initialization */ | |
4298 | /* SGE ring */ | |
4299 | for (i = 1; i <= NUM_RX_SGE_PAGES; i++) { | |
4300 | struct eth_rx_sge *sge; | |
4301 | ||
4302 | sge = &fp->rx_sge_ring[RX_SGE_CNT * i - 2]; | |
4303 | sge->addr_hi = | |
4304 | cpu_to_le32(U64_HI(fp->rx_sge_mapping + | |
4305 | BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES))); | |
4306 | sge->addr_lo = | |
4307 | cpu_to_le32(U64_LO(fp->rx_sge_mapping + | |
4308 | BCM_PAGE_SIZE*(i % NUM_RX_SGE_PAGES))); | |
4309 | } | |
4310 | ||
4311 | bnx2x_init_sge_ring_bit_mask(fp); | |
4312 | ||
4313 | /* RX BD ring */ | |
4314 | for (i = 1; i <= NUM_RX_RINGS; i++) { | |
4315 | struct eth_rx_bd *rx_bd; | |
4316 | ||
4317 | rx_bd = &fp->rx_desc_ring[RX_DESC_CNT * i - 2]; | |
4318 | rx_bd->addr_hi = | |
4319 | cpu_to_le32(U64_HI(fp->rx_desc_mapping + | |
4320 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); | |
4321 | rx_bd->addr_lo = | |
4322 | cpu_to_le32(U64_LO(fp->rx_desc_mapping + | |
4323 | BCM_PAGE_SIZE*(i % NUM_RX_RINGS))); | |
4324 | } | |
4325 | ||
4326 | /* CQ ring */ | |
4327 | for (i = 1; i <= NUM_RCQ_RINGS; i++) { | |
4328 | struct eth_rx_cqe_next_page *nextpg; | |
4329 | ||
4330 | nextpg = (struct eth_rx_cqe_next_page *) | |
4331 | &fp->rx_comp_ring[RCQ_DESC_CNT * i - 1]; | |
4332 | nextpg->addr_hi = | |
4333 | cpu_to_le32(U64_HI(fp->rx_comp_mapping + | |
4334 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); | |
4335 | nextpg->addr_lo = | |
4336 | cpu_to_le32(U64_LO(fp->rx_comp_mapping + | |
4337 | BCM_PAGE_SIZE*(i % NUM_RCQ_RINGS))); | |
4338 | } | |
4339 | ||
4340 | /* Allocate SGEs and initialize the ring elements */ | |
4341 | for (i = 0, ring_prod = 0; | |
4342 | i < MAX_RX_SGE_CNT*NUM_RX_SGE_PAGES; i++) { | |
4343 | ||
4344 | if (bnx2x_alloc_rx_sge(bp, fp, ring_prod) < 0) { | |
4345 | BNX2X_ERR("was only able to allocate " | |
4346 | "%d rx sges\n", i); | |
4347 | BNX2X_ERR("disabling TPA for queue[%d]\n", j); | |
4348 | /* Cleanup already allocated elements */ | |
4349 | bnx2x_free_rx_sge_range(bp, fp, ring_prod); | |
4350 | bnx2x_free_tpa_pool(bp, fp, max_agg_queues); | |
4351 | fp->disable_tpa = 1; | |
4352 | ring_prod = 0; | |
4353 | break; | |
4354 | } | |
4355 | ring_prod = NEXT_SGE_IDX(ring_prod); | |
4356 | } | |
4357 | fp->rx_sge_prod = ring_prod; | |
4358 | ||
4359 | /* Allocate BDs and initialize BD ring */ | |
4360 | fp->rx_comp_cons = 0; | |
4361 | cqe_ring_prod = ring_prod = 0; | |
4362 | for (i = 0; i < bp->rx_ring_size; i++) { | |
4363 | if (bnx2x_alloc_rx_skb(bp, fp, ring_prod) < 0) { | |
4364 | BNX2X_ERR("was only able to allocate " | |
4365 | "%d rx skbs\n", i); | |
4366 | bp->eth_stats.rx_skb_alloc_failed++; | |
4367 | break; | |
4368 | } | |
4369 | ring_prod = NEXT_RX_IDX(ring_prod); | |
4370 | cqe_ring_prod = NEXT_RCQ_IDX(cqe_ring_prod); | |
4371 | WARN_ON(ring_prod <= i); | |
4372 | } | |
4373 | ||
4374 | fp->rx_bd_prod = ring_prod; | |
4375 | /* must not have more available CQEs than BDs */ | |
4376 | fp->rx_comp_prod = min((u16)(NUM_RCQ_RINGS*RCQ_DESC_CNT), | |
4377 | cqe_ring_prod); | |
4378 | fp->rx_pkt = fp->rx_calls = 0; | |
4379 | ||
4380 | /* Warning! | |
4381 | * this will generate an interrupt (to the TSTORM) | |
4382 | * must only be done after chip is initialized | |
4383 | */ | |
4384 | bnx2x_update_rx_prod(bp, fp, ring_prod, fp->rx_comp_prod, | |
4385 | fp->rx_sge_prod); | |
4386 | if (j != 0) | |
4387 | continue; | |
4388 | ||
4389 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4390 | USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func), | |
4391 | U64_LO(fp->rx_comp_mapping)); | |
4392 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4393 | USTORM_MEM_WORKAROUND_ADDRESS_OFFSET(func) + 4, | |
4394 | U64_HI(fp->rx_comp_mapping)); | |
4395 | } | |
4396 | } | |
4397 | ||
4398 | static void bnx2x_init_tx_ring(struct bnx2x *bp) | |
4399 | { | |
4400 | int i, j; | |
4401 | ||
4402 | for_each_queue(bp, j) { | |
4403 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
4404 | ||
4405 | for (i = 1; i <= NUM_TX_RINGS; i++) { | |
4406 | struct eth_tx_bd *tx_bd = | |
4407 | &fp->tx_desc_ring[TX_DESC_CNT * i - 1]; | |
4408 | ||
4409 | tx_bd->addr_hi = | |
4410 | cpu_to_le32(U64_HI(fp->tx_desc_mapping + | |
4411 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); | |
4412 | tx_bd->addr_lo = | |
4413 | cpu_to_le32(U64_LO(fp->tx_desc_mapping + | |
4414 | BCM_PAGE_SIZE*(i % NUM_TX_RINGS))); | |
4415 | } | |
4416 | ||
4417 | fp->tx_pkt_prod = 0; | |
4418 | fp->tx_pkt_cons = 0; | |
4419 | fp->tx_bd_prod = 0; | |
4420 | fp->tx_bd_cons = 0; | |
4421 | fp->tx_cons_sb = BNX2X_TX_SB_INDEX; | |
4422 | fp->tx_pkt = 0; | |
4423 | } | |
4424 | } | |
4425 | ||
4426 | static void bnx2x_init_sp_ring(struct bnx2x *bp) | |
4427 | { | |
4428 | int func = BP_FUNC(bp); | |
4429 | ||
4430 | spin_lock_init(&bp->spq_lock); | |
4431 | ||
4432 | bp->spq_left = MAX_SPQ_PENDING; | |
4433 | bp->spq_prod_idx = 0; | |
4434 | bp->dsb_sp_prod = BNX2X_SP_DSB_INDEX; | |
4435 | bp->spq_prod_bd = bp->spq; | |
4436 | bp->spq_last_bd = bp->spq_prod_bd + MAX_SP_DESC_CNT; | |
4437 | ||
4438 | REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func), | |
4439 | U64_LO(bp->spq_mapping)); | |
4440 | REG_WR(bp, | |
4441 | XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PAGE_BASE_OFFSET(func) + 4, | |
4442 | U64_HI(bp->spq_mapping)); | |
4443 | ||
4444 | REG_WR(bp, XSEM_REG_FAST_MEMORY + XSTORM_SPQ_PROD_OFFSET(func), | |
4445 | bp->spq_prod_idx); | |
4446 | } | |
4447 | ||
4448 | static void bnx2x_init_context(struct bnx2x *bp) | |
4449 | { | |
4450 | int i; | |
4451 | ||
4452 | for_each_queue(bp, i) { | |
4453 | struct eth_context *context = bnx2x_sp(bp, context[i].eth); | |
4454 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
4455 | u8 sb_id = FP_SB_ID(fp); | |
4456 | ||
4457 | context->xstorm_st_context.tx_bd_page_base_hi = | |
4458 | U64_HI(fp->tx_desc_mapping); | |
4459 | context->xstorm_st_context.tx_bd_page_base_lo = | |
4460 | U64_LO(fp->tx_desc_mapping); | |
4461 | context->xstorm_st_context.db_data_addr_hi = | |
4462 | U64_HI(fp->tx_prods_mapping); | |
4463 | context->xstorm_st_context.db_data_addr_lo = | |
4464 | U64_LO(fp->tx_prods_mapping); | |
4465 | context->xstorm_st_context.statistics_data = (BP_CL_ID(bp) | | |
4466 | XSTORM_ETH_ST_CONTEXT_STATISTICS_ENABLE); | |
4467 | ||
4468 | context->ustorm_st_context.common.sb_index_numbers = | |
4469 | BNX2X_RX_SB_INDEX_NUM; | |
4470 | context->ustorm_st_context.common.clientId = FP_CL_ID(fp); | |
4471 | context->ustorm_st_context.common.status_block_id = sb_id; | |
4472 | context->ustorm_st_context.common.flags = | |
4473 | USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_MC_ALIGNMENT; | |
4474 | context->ustorm_st_context.common.mc_alignment_size = | |
4475 | BCM_RX_ETH_PAYLOAD_ALIGN; | |
4476 | context->ustorm_st_context.common.bd_buff_size = | |
4477 | bp->rx_buf_size; | |
4478 | context->ustorm_st_context.common.bd_page_base_hi = | |
4479 | U64_HI(fp->rx_desc_mapping); | |
4480 | context->ustorm_st_context.common.bd_page_base_lo = | |
4481 | U64_LO(fp->rx_desc_mapping); | |
4482 | if (!fp->disable_tpa) { | |
4483 | context->ustorm_st_context.common.flags |= | |
4484 | (USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_TPA | | |
4485 | USTORM_ETH_ST_CONTEXT_CONFIG_ENABLE_SGE_RING); | |
4486 | context->ustorm_st_context.common.sge_buff_size = | |
4487 | (u16)(BCM_PAGE_SIZE*PAGES_PER_SGE); | |
4488 | context->ustorm_st_context.common.sge_page_base_hi = | |
4489 | U64_HI(fp->rx_sge_mapping); | |
4490 | context->ustorm_st_context.common.sge_page_base_lo = | |
4491 | U64_LO(fp->rx_sge_mapping); | |
4492 | } | |
4493 | ||
4494 | context->cstorm_st_context.sb_index_number = | |
4495 | C_SB_ETH_TX_CQ_INDEX; | |
4496 | context->cstorm_st_context.status_block_id = sb_id; | |
4497 | ||
4498 | context->xstorm_ag_context.cdu_reserved = | |
4499 | CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), | |
4500 | CDU_REGION_NUMBER_XCM_AG, | |
4501 | ETH_CONNECTION_TYPE); | |
4502 | context->ustorm_ag_context.cdu_usage = | |
4503 | CDU_RSRVD_VALUE_TYPE_A(HW_CID(bp, i), | |
4504 | CDU_REGION_NUMBER_UCM_AG, | |
4505 | ETH_CONNECTION_TYPE); | |
4506 | } | |
4507 | } | |
4508 | ||
4509 | static void bnx2x_init_ind_table(struct bnx2x *bp) | |
4510 | { | |
4511 | int port = BP_PORT(bp); | |
4512 | int i; | |
4513 | ||
4514 | if (!is_multi(bp)) | |
4515 | return; | |
4516 | ||
4517 | DP(NETIF_MSG_IFUP, "Initializing indirection table\n"); | |
4518 | for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++) | |
4519 | REG_WR8(bp, BAR_TSTRORM_INTMEM + | |
4520 | TSTORM_INDIRECTION_TABLE_OFFSET(port) + i, | |
4521 | i % bp->num_queues); | |
4522 | ||
4523 | REG_WR(bp, PRS_REG_A_PRSU_20, 0xf); | |
4524 | } | |
4525 | ||
4526 | static void bnx2x_set_client_config(struct bnx2x *bp) | |
4527 | { | |
4528 | struct tstorm_eth_client_config tstorm_client = {0}; | |
4529 | int port = BP_PORT(bp); | |
4530 | int i; | |
4531 | ||
4532 | tstorm_client.mtu = bp->dev->mtu + ETH_OVREHEAD; | |
4533 | tstorm_client.statistics_counter_id = BP_CL_ID(bp); | |
4534 | tstorm_client.config_flags = | |
4535 | TSTORM_ETH_CLIENT_CONFIG_STATSITICS_ENABLE; | |
4536 | #ifdef BCM_VLAN | |
4537 | if (bp->rx_mode && bp->vlgrp) { | |
4538 | tstorm_client.config_flags |= | |
4539 | TSTORM_ETH_CLIENT_CONFIG_VLAN_REMOVAL_ENABLE; | |
4540 | DP(NETIF_MSG_IFUP, "vlan removal enabled\n"); | |
4541 | } | |
4542 | #endif | |
4543 | ||
4544 | if (bp->flags & TPA_ENABLE_FLAG) { | |
4545 | tstorm_client.max_sges_for_packet = | |
4546 | SGE_PAGE_ALIGN(tstorm_client.mtu) >> SGE_PAGE_SHIFT; | |
4547 | tstorm_client.max_sges_for_packet = | |
4548 | ((tstorm_client.max_sges_for_packet + | |
4549 | PAGES_PER_SGE - 1) & (~(PAGES_PER_SGE - 1))) >> | |
4550 | PAGES_PER_SGE_SHIFT; | |
4551 | ||
4552 | tstorm_client.config_flags |= | |
4553 | TSTORM_ETH_CLIENT_CONFIG_ENABLE_SGE_RING; | |
4554 | } | |
4555 | ||
4556 | for_each_queue(bp, i) { | |
4557 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4558 | TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id), | |
4559 | ((u32 *)&tstorm_client)[0]); | |
4560 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4561 | TSTORM_CLIENT_CONFIG_OFFSET(port, bp->fp[i].cl_id) + 4, | |
4562 | ((u32 *)&tstorm_client)[1]); | |
4563 | } | |
4564 | ||
4565 | DP(BNX2X_MSG_OFF, "tstorm_client: 0x%08x 0x%08x\n", | |
4566 | ((u32 *)&tstorm_client)[0], ((u32 *)&tstorm_client)[1]); | |
4567 | } | |
4568 | ||
4569 | static void bnx2x_set_storm_rx_mode(struct bnx2x *bp) | |
4570 | { | |
4571 | struct tstorm_eth_mac_filter_config tstorm_mac_filter = {0}; | |
4572 | int mode = bp->rx_mode; | |
4573 | int mask = (1 << BP_L_ID(bp)); | |
4574 | int func = BP_FUNC(bp); | |
4575 | int i; | |
4576 | ||
4577 | DP(NETIF_MSG_IFUP, "rx mode %d mask 0x%x\n", mode, mask); | |
4578 | ||
4579 | switch (mode) { | |
4580 | case BNX2X_RX_MODE_NONE: /* no Rx */ | |
4581 | tstorm_mac_filter.ucast_drop_all = mask; | |
4582 | tstorm_mac_filter.mcast_drop_all = mask; | |
4583 | tstorm_mac_filter.bcast_drop_all = mask; | |
4584 | break; | |
4585 | case BNX2X_RX_MODE_NORMAL: | |
4586 | tstorm_mac_filter.bcast_accept_all = mask; | |
4587 | break; | |
4588 | case BNX2X_RX_MODE_ALLMULTI: | |
4589 | tstorm_mac_filter.mcast_accept_all = mask; | |
4590 | tstorm_mac_filter.bcast_accept_all = mask; | |
4591 | break; | |
4592 | case BNX2X_RX_MODE_PROMISC: | |
4593 | tstorm_mac_filter.ucast_accept_all = mask; | |
4594 | tstorm_mac_filter.mcast_accept_all = mask; | |
4595 | tstorm_mac_filter.bcast_accept_all = mask; | |
4596 | break; | |
4597 | default: | |
4598 | BNX2X_ERR("BAD rx mode (%d)\n", mode); | |
4599 | break; | |
4600 | } | |
4601 | ||
4602 | for (i = 0; i < sizeof(struct tstorm_eth_mac_filter_config)/4; i++) { | |
4603 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4604 | TSTORM_MAC_FILTER_CONFIG_OFFSET(func) + i * 4, | |
4605 | ((u32 *)&tstorm_mac_filter)[i]); | |
4606 | ||
4607 | /* DP(NETIF_MSG_IFUP, "tstorm_mac_filter[%d]: 0x%08x\n", i, | |
4608 | ((u32 *)&tstorm_mac_filter)[i]); */ | |
4609 | } | |
4610 | ||
4611 | if (mode != BNX2X_RX_MODE_NONE) | |
4612 | bnx2x_set_client_config(bp); | |
4613 | } | |
4614 | ||
4615 | static void bnx2x_init_internal_common(struct bnx2x *bp) | |
4616 | { | |
4617 | int i; | |
4618 | ||
4619 | if (bp->flags & TPA_ENABLE_FLAG) { | |
4620 | struct tstorm_eth_tpa_exist tpa = {0}; | |
4621 | ||
4622 | tpa.tpa_exist = 1; | |
4623 | ||
4624 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET, | |
4625 | ((u32 *)&tpa)[0]); | |
4626 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_TPA_EXIST_OFFSET + 4, | |
4627 | ((u32 *)&tpa)[1]); | |
4628 | } | |
4629 | ||
4630 | /* Zero this manually as its initialization is | |
4631 | currently missing in the initTool */ | |
4632 | for (i = 0; i < (USTORM_AGG_DATA_SIZE >> 2); i++) | |
4633 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4634 | USTORM_AGG_DATA_OFFSET + i * 4, 0); | |
4635 | } | |
4636 | ||
4637 | static void bnx2x_init_internal_port(struct bnx2x *bp) | |
4638 | { | |
4639 | int port = BP_PORT(bp); | |
4640 | ||
4641 | REG_WR(bp, BAR_USTRORM_INTMEM + USTORM_HC_BTR_OFFSET(port), BNX2X_BTR); | |
4642 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_HC_BTR_OFFSET(port), BNX2X_BTR); | |
4643 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_HC_BTR_OFFSET(port), BNX2X_BTR); | |
4644 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_HC_BTR_OFFSET(port), BNX2X_BTR); | |
4645 | } | |
4646 | ||
4647 | static void bnx2x_init_internal_func(struct bnx2x *bp) | |
4648 | { | |
4649 | struct tstorm_eth_function_common_config tstorm_config = {0}; | |
4650 | struct stats_indication_flags stats_flags = {0}; | |
4651 | int port = BP_PORT(bp); | |
4652 | int func = BP_FUNC(bp); | |
4653 | int i; | |
4654 | u16 max_agg_size; | |
4655 | ||
4656 | if (is_multi(bp)) { | |
4657 | tstorm_config.config_flags = MULTI_FLAGS; | |
4658 | tstorm_config.rss_result_mask = MULTI_MASK; | |
4659 | } | |
4660 | ||
4661 | tstorm_config.leading_client_id = BP_L_ID(bp); | |
4662 | ||
4663 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4664 | TSTORM_FUNCTION_COMMON_CONFIG_OFFSET(func), | |
4665 | (*(u32 *)&tstorm_config)); | |
4666 | ||
4667 | bp->rx_mode = BNX2X_RX_MODE_NONE; /* no rx until link is up */ | |
4668 | bnx2x_set_storm_rx_mode(bp); | |
4669 | ||
4670 | /* reset xstorm per client statistics */ | |
4671 | for (i = 0; i < sizeof(struct xstorm_per_client_stats) / 4; i++) { | |
4672 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4673 | XSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) + | |
4674 | i*4, 0); | |
4675 | } | |
4676 | /* reset tstorm per client statistics */ | |
4677 | for (i = 0; i < sizeof(struct tstorm_per_client_stats) / 4; i++) { | |
4678 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4679 | TSTORM_PER_COUNTER_ID_STATS_OFFSET(port, BP_CL_ID(bp)) + | |
4680 | i*4, 0); | |
4681 | } | |
4682 | ||
4683 | /* Init statistics related context */ | |
4684 | stats_flags.collect_eth = 1; | |
4685 | ||
4686 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func), | |
4687 | ((u32 *)&stats_flags)[0]); | |
4688 | REG_WR(bp, BAR_XSTRORM_INTMEM + XSTORM_STATS_FLAGS_OFFSET(func) + 4, | |
4689 | ((u32 *)&stats_flags)[1]); | |
4690 | ||
4691 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func), | |
4692 | ((u32 *)&stats_flags)[0]); | |
4693 | REG_WR(bp, BAR_TSTRORM_INTMEM + TSTORM_STATS_FLAGS_OFFSET(func) + 4, | |
4694 | ((u32 *)&stats_flags)[1]); | |
4695 | ||
4696 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func), | |
4697 | ((u32 *)&stats_flags)[0]); | |
4698 | REG_WR(bp, BAR_CSTRORM_INTMEM + CSTORM_STATS_FLAGS_OFFSET(func) + 4, | |
4699 | ((u32 *)&stats_flags)[1]); | |
4700 | ||
4701 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4702 | XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func), | |
4703 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
4704 | REG_WR(bp, BAR_XSTRORM_INTMEM + | |
4705 | XSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4, | |
4706 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
4707 | ||
4708 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4709 | TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func), | |
4710 | U64_LO(bnx2x_sp_mapping(bp, fw_stats))); | |
4711 | REG_WR(bp, BAR_TSTRORM_INTMEM + | |
4712 | TSTORM_ETH_STATS_QUERY_ADDR_OFFSET(func) + 4, | |
4713 | U64_HI(bnx2x_sp_mapping(bp, fw_stats))); | |
4714 | ||
4715 | if (CHIP_IS_E1H(bp)) { | |
4716 | REG_WR8(bp, BAR_XSTRORM_INTMEM + XSTORM_FUNCTION_MODE_OFFSET, | |
4717 | IS_E1HMF(bp)); | |
4718 | REG_WR8(bp, BAR_TSTRORM_INTMEM + TSTORM_FUNCTION_MODE_OFFSET, | |
4719 | IS_E1HMF(bp)); | |
4720 | REG_WR8(bp, BAR_CSTRORM_INTMEM + CSTORM_FUNCTION_MODE_OFFSET, | |
4721 | IS_E1HMF(bp)); | |
4722 | REG_WR8(bp, BAR_USTRORM_INTMEM + USTORM_FUNCTION_MODE_OFFSET, | |
4723 | IS_E1HMF(bp)); | |
4724 | ||
4725 | REG_WR16(bp, BAR_XSTRORM_INTMEM + XSTORM_E1HOV_OFFSET(func), | |
4726 | bp->e1hov); | |
4727 | } | |
4728 | ||
4729 | /* Init CQ ring mapping and aggregation size, the FW limit is 8 frags */ | |
4730 | max_agg_size = | |
4731 | min((u32)(min((u32)8, (u32)MAX_SKB_FRAGS) * | |
4732 | SGE_PAGE_SIZE * PAGES_PER_SGE), | |
4733 | (u32)0xffff); | |
4734 | for_each_queue(bp, i) { | |
4735 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
4736 | ||
4737 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4738 | USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)), | |
4739 | U64_LO(fp->rx_comp_mapping)); | |
4740 | REG_WR(bp, BAR_USTRORM_INTMEM + | |
4741 | USTORM_CQE_PAGE_BASE_OFFSET(port, FP_CL_ID(fp)) + 4, | |
4742 | U64_HI(fp->rx_comp_mapping)); | |
4743 | ||
4744 | REG_WR16(bp, BAR_USTRORM_INTMEM + | |
4745 | USTORM_MAX_AGG_SIZE_OFFSET(port, FP_CL_ID(fp)), | |
4746 | max_agg_size); | |
4747 | } | |
4748 | } | |
4749 | ||
4750 | static void bnx2x_init_internal(struct bnx2x *bp, u32 load_code) | |
4751 | { | |
4752 | switch (load_code) { | |
4753 | case FW_MSG_CODE_DRV_LOAD_COMMON: | |
4754 | bnx2x_init_internal_common(bp); | |
4755 | /* no break */ | |
4756 | ||
4757 | case FW_MSG_CODE_DRV_LOAD_PORT: | |
4758 | bnx2x_init_internal_port(bp); | |
4759 | /* no break */ | |
4760 | ||
4761 | case FW_MSG_CODE_DRV_LOAD_FUNCTION: | |
4762 | bnx2x_init_internal_func(bp); | |
4763 | break; | |
4764 | ||
4765 | default: | |
4766 | BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code); | |
4767 | break; | |
4768 | } | |
4769 | } | |
4770 | ||
4771 | static void bnx2x_nic_init(struct bnx2x *bp, u32 load_code) | |
4772 | { | |
4773 | int i; | |
4774 | ||
4775 | for_each_queue(bp, i) { | |
4776 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
4777 | ||
4778 | fp->bp = bp; | |
4779 | fp->state = BNX2X_FP_STATE_CLOSED; | |
4780 | fp->index = i; | |
4781 | fp->cl_id = BP_L_ID(bp) + i; | |
4782 | fp->sb_id = fp->cl_id; | |
4783 | DP(NETIF_MSG_IFUP, | |
4784 | "bnx2x_init_sb(%p,%p) index %d cl_id %d sb %d\n", | |
4785 | bp, fp->status_blk, i, FP_CL_ID(fp), FP_SB_ID(fp)); | |
4786 | bnx2x_init_sb(bp, fp->status_blk, fp->status_blk_mapping, | |
4787 | FP_SB_ID(fp)); | |
4788 | bnx2x_update_fpsb_idx(fp); | |
4789 | } | |
4790 | ||
4791 | bnx2x_init_def_sb(bp, bp->def_status_blk, bp->def_status_blk_mapping, | |
4792 | DEF_SB_ID); | |
4793 | bnx2x_update_dsb_idx(bp); | |
4794 | bnx2x_update_coalesce(bp); | |
4795 | bnx2x_init_rx_rings(bp); | |
4796 | bnx2x_init_tx_ring(bp); | |
4797 | bnx2x_init_sp_ring(bp); | |
4798 | bnx2x_init_context(bp); | |
4799 | bnx2x_init_internal(bp, load_code); | |
4800 | bnx2x_init_ind_table(bp); | |
4801 | bnx2x_int_enable(bp); | |
4802 | } | |
4803 | ||
4804 | /* end of nic init */ | |
4805 | ||
4806 | /* | |
4807 | * gzip service functions | |
4808 | */ | |
4809 | ||
4810 | static int bnx2x_gunzip_init(struct bnx2x *bp) | |
4811 | { | |
4812 | bp->gunzip_buf = pci_alloc_consistent(bp->pdev, FW_BUF_SIZE, | |
4813 | &bp->gunzip_mapping); | |
4814 | if (bp->gunzip_buf == NULL) | |
4815 | goto gunzip_nomem1; | |
4816 | ||
4817 | bp->strm = kmalloc(sizeof(*bp->strm), GFP_KERNEL); | |
4818 | if (bp->strm == NULL) | |
4819 | goto gunzip_nomem2; | |
4820 | ||
4821 | bp->strm->workspace = kmalloc(zlib_inflate_workspacesize(), | |
4822 | GFP_KERNEL); | |
4823 | if (bp->strm->workspace == NULL) | |
4824 | goto gunzip_nomem3; | |
4825 | ||
4826 | return 0; | |
4827 | ||
4828 | gunzip_nomem3: | |
4829 | kfree(bp->strm); | |
4830 | bp->strm = NULL; | |
4831 | ||
4832 | gunzip_nomem2: | |
4833 | pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, | |
4834 | bp->gunzip_mapping); | |
4835 | bp->gunzip_buf = NULL; | |
4836 | ||
4837 | gunzip_nomem1: | |
4838 | printk(KERN_ERR PFX "%s: Cannot allocate firmware buffer for" | |
4839 | " un-compression\n", bp->dev->name); | |
4840 | return -ENOMEM; | |
4841 | } | |
4842 | ||
4843 | static void bnx2x_gunzip_end(struct bnx2x *bp) | |
4844 | { | |
4845 | kfree(bp->strm->workspace); | |
4846 | ||
4847 | kfree(bp->strm); | |
4848 | bp->strm = NULL; | |
4849 | ||
4850 | if (bp->gunzip_buf) { | |
4851 | pci_free_consistent(bp->pdev, FW_BUF_SIZE, bp->gunzip_buf, | |
4852 | bp->gunzip_mapping); | |
4853 | bp->gunzip_buf = NULL; | |
4854 | } | |
4855 | } | |
4856 | ||
4857 | static int bnx2x_gunzip(struct bnx2x *bp, u8 *zbuf, int len) | |
4858 | { | |
4859 | int n, rc; | |
4860 | ||
4861 | /* check gzip header */ | |
4862 | if ((zbuf[0] != 0x1f) || (zbuf[1] != 0x8b) || (zbuf[2] != Z_DEFLATED)) | |
4863 | return -EINVAL; | |
4864 | ||
4865 | n = 10; | |
4866 | ||
4867 | #define FNAME 0x8 | |
4868 | ||
4869 | if (zbuf[3] & FNAME) | |
4870 | while ((zbuf[n++] != 0) && (n < len)); | |
4871 | ||
4872 | bp->strm->next_in = zbuf + n; | |
4873 | bp->strm->avail_in = len - n; | |
4874 | bp->strm->next_out = bp->gunzip_buf; | |
4875 | bp->strm->avail_out = FW_BUF_SIZE; | |
4876 | ||
4877 | rc = zlib_inflateInit2(bp->strm, -MAX_WBITS); | |
4878 | if (rc != Z_OK) | |
4879 | return rc; | |
4880 | ||
4881 | rc = zlib_inflate(bp->strm, Z_FINISH); | |
4882 | if ((rc != Z_OK) && (rc != Z_STREAM_END)) | |
4883 | printk(KERN_ERR PFX "%s: Firmware decompression error: %s\n", | |
4884 | bp->dev->name, bp->strm->msg); | |
4885 | ||
4886 | bp->gunzip_outlen = (FW_BUF_SIZE - bp->strm->avail_out); | |
4887 | if (bp->gunzip_outlen & 0x3) | |
4888 | printk(KERN_ERR PFX "%s: Firmware decompression error:" | |
4889 | " gunzip_outlen (%d) not aligned\n", | |
4890 | bp->dev->name, bp->gunzip_outlen); | |
4891 | bp->gunzip_outlen >>= 2; | |
4892 | ||
4893 | zlib_inflateEnd(bp->strm); | |
4894 | ||
4895 | if (rc == Z_STREAM_END) | |
4896 | return 0; | |
4897 | ||
4898 | return rc; | |
4899 | } | |
4900 | ||
4901 | /* nic load/unload */ | |
4902 | ||
4903 | /* | |
4904 | * General service functions | |
4905 | */ | |
4906 | ||
4907 | /* send a NIG loopback debug packet */ | |
4908 | static void bnx2x_lb_pckt(struct bnx2x *bp) | |
4909 | { | |
4910 | u32 wb_write[3]; | |
4911 | ||
4912 | /* Ethernet source and destination addresses */ | |
4913 | wb_write[0] = 0x55555555; | |
4914 | wb_write[1] = 0x55555555; | |
4915 | wb_write[2] = 0x20; /* SOP */ | |
4916 | REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); | |
4917 | ||
4918 | /* NON-IP protocol */ | |
4919 | wb_write[0] = 0x09000000; | |
4920 | wb_write[1] = 0x55555555; | |
4921 | wb_write[2] = 0x10; /* EOP, eop_bvalid = 0 */ | |
4922 | REG_WR_DMAE(bp, NIG_REG_DEBUG_PACKET_LB, wb_write, 3); | |
4923 | } | |
4924 | ||
4925 | /* some of the internal memories | |
4926 | * are not directly readable from the driver | |
4927 | * to test them we send debug packets | |
4928 | */ | |
4929 | static int bnx2x_int_mem_test(struct bnx2x *bp) | |
4930 | { | |
4931 | int factor; | |
4932 | int count, i; | |
4933 | u32 val = 0; | |
4934 | ||
4935 | if (CHIP_REV_IS_FPGA(bp)) | |
4936 | factor = 120; | |
4937 | else if (CHIP_REV_IS_EMUL(bp)) | |
4938 | factor = 200; | |
4939 | else | |
4940 | factor = 1; | |
4941 | ||
4942 | DP(NETIF_MSG_HW, "start part1\n"); | |
4943 | ||
4944 | /* Disable inputs of parser neighbor blocks */ | |
4945 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); | |
4946 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); | |
4947 | REG_WR(bp, CFC_REG_DEBUG0, 0x1); | |
4948 | REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0); | |
4949 | ||
4950 | /* Write 0 to parser credits for CFC search request */ | |
4951 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); | |
4952 | ||
4953 | /* send Ethernet packet */ | |
4954 | bnx2x_lb_pckt(bp); | |
4955 | ||
4956 | /* TODO do i reset NIG statistic? */ | |
4957 | /* Wait until NIG register shows 1 packet of size 0x10 */ | |
4958 | count = 1000 * factor; | |
4959 | while (count) { | |
4960 | ||
4961 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
4962 | val = *bnx2x_sp(bp, wb_data[0]); | |
4963 | if (val == 0x10) | |
4964 | break; | |
4965 | ||
4966 | msleep(10); | |
4967 | count--; | |
4968 | } | |
4969 | if (val != 0x10) { | |
4970 | BNX2X_ERR("NIG timeout val = 0x%x\n", val); | |
4971 | return -1; | |
4972 | } | |
4973 | ||
4974 | /* Wait until PRS register shows 1 packet */ | |
4975 | count = 1000 * factor; | |
4976 | while (count) { | |
4977 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
4978 | if (val == 1) | |
4979 | break; | |
4980 | ||
4981 | msleep(10); | |
4982 | count--; | |
4983 | } | |
4984 | if (val != 0x1) { | |
4985 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
4986 | return -2; | |
4987 | } | |
4988 | ||
4989 | /* Reset and init BRB, PRS */ | |
4990 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); | |
4991 | msleep(50); | |
4992 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); | |
4993 | msleep(50); | |
4994 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
4995 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
4996 | ||
4997 | DP(NETIF_MSG_HW, "part2\n"); | |
4998 | ||
4999 | /* Disable inputs of parser neighbor blocks */ | |
5000 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x0); | |
5001 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x0); | |
5002 | REG_WR(bp, CFC_REG_DEBUG0, 0x1); | |
5003 | REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x0); | |
5004 | ||
5005 | /* Write 0 to parser credits for CFC search request */ | |
5006 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x0); | |
5007 | ||
5008 | /* send 10 Ethernet packets */ | |
5009 | for (i = 0; i < 10; i++) | |
5010 | bnx2x_lb_pckt(bp); | |
5011 | ||
5012 | /* Wait until NIG register shows 10 + 1 | |
5013 | packets of size 11*0x10 = 0xb0 */ | |
5014 | count = 1000 * factor; | |
5015 | while (count) { | |
5016 | ||
5017 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
5018 | val = *bnx2x_sp(bp, wb_data[0]); | |
5019 | if (val == 0xb0) | |
5020 | break; | |
5021 | ||
5022 | msleep(10); | |
5023 | count--; | |
5024 | } | |
5025 | if (val != 0xb0) { | |
5026 | BNX2X_ERR("NIG timeout val = 0x%x\n", val); | |
5027 | return -3; | |
5028 | } | |
5029 | ||
5030 | /* Wait until PRS register shows 2 packets */ | |
5031 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
5032 | if (val != 2) | |
5033 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
5034 | ||
5035 | /* Write 1 to parser credits for CFC search request */ | |
5036 | REG_WR(bp, PRS_REG_CFC_SEARCH_INITIAL_CREDIT, 0x1); | |
5037 | ||
5038 | /* Wait until PRS register shows 3 packets */ | |
5039 | msleep(10 * factor); | |
5040 | /* Wait until NIG register shows 1 packet of size 0x10 */ | |
5041 | val = REG_RD(bp, PRS_REG_NUM_OF_PACKETS); | |
5042 | if (val != 3) | |
5043 | BNX2X_ERR("PRS timeout val = 0x%x\n", val); | |
5044 | ||
5045 | /* clear NIG EOP FIFO */ | |
5046 | for (i = 0; i < 11; i++) | |
5047 | REG_RD(bp, NIG_REG_INGRESS_EOP_LB_FIFO); | |
5048 | val = REG_RD(bp, NIG_REG_INGRESS_EOP_LB_EMPTY); | |
5049 | if (val != 1) { | |
5050 | BNX2X_ERR("clear of NIG failed\n"); | |
5051 | return -4; | |
5052 | } | |
5053 | ||
5054 | /* Reset and init BRB, PRS, NIG */ | |
5055 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, 0x03); | |
5056 | msleep(50); | |
5057 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0x03); | |
5058 | msleep(50); | |
5059 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
5060 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
5061 | #ifndef BCM_ISCSI | |
5062 | /* set NIC mode */ | |
5063 | REG_WR(bp, PRS_REG_NIC_MODE, 1); | |
5064 | #endif | |
5065 | ||
5066 | /* Enable inputs of parser neighbor blocks */ | |
5067 | REG_WR(bp, TSDM_REG_ENABLE_IN1, 0x7fffffff); | |
5068 | REG_WR(bp, TCM_REG_PRS_IFEN, 0x1); | |
5069 | REG_WR(bp, CFC_REG_DEBUG0, 0x0); | |
5070 | REG_WR(bp, NIG_REG_PRS_REQ_IN_EN, 0x1); | |
5071 | ||
5072 | DP(NETIF_MSG_HW, "done\n"); | |
5073 | ||
5074 | return 0; /* OK */ | |
5075 | } | |
5076 | ||
5077 | static void enable_blocks_attention(struct bnx2x *bp) | |
5078 | { | |
5079 | REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); | |
5080 | REG_WR(bp, PXP_REG_PXP_INT_MASK_1, 0); | |
5081 | REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); | |
5082 | REG_WR(bp, CFC_REG_CFC_INT_MASK, 0); | |
5083 | REG_WR(bp, QM_REG_QM_INT_MASK, 0); | |
5084 | REG_WR(bp, TM_REG_TM_INT_MASK, 0); | |
5085 | REG_WR(bp, XSDM_REG_XSDM_INT_MASK_0, 0); | |
5086 | REG_WR(bp, XSDM_REG_XSDM_INT_MASK_1, 0); | |
5087 | REG_WR(bp, XCM_REG_XCM_INT_MASK, 0); | |
5088 | /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_0, 0); */ | |
5089 | /* REG_WR(bp, XSEM_REG_XSEM_INT_MASK_1, 0); */ | |
5090 | REG_WR(bp, USDM_REG_USDM_INT_MASK_0, 0); | |
5091 | REG_WR(bp, USDM_REG_USDM_INT_MASK_1, 0); | |
5092 | REG_WR(bp, UCM_REG_UCM_INT_MASK, 0); | |
5093 | /* REG_WR(bp, USEM_REG_USEM_INT_MASK_0, 0); */ | |
5094 | /* REG_WR(bp, USEM_REG_USEM_INT_MASK_1, 0); */ | |
5095 | REG_WR(bp, GRCBASE_UPB + PB_REG_PB_INT_MASK, 0); | |
5096 | REG_WR(bp, CSDM_REG_CSDM_INT_MASK_0, 0); | |
5097 | REG_WR(bp, CSDM_REG_CSDM_INT_MASK_1, 0); | |
5098 | REG_WR(bp, CCM_REG_CCM_INT_MASK, 0); | |
5099 | /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_0, 0); */ | |
5100 | /* REG_WR(bp, CSEM_REG_CSEM_INT_MASK_1, 0); */ | |
5101 | if (CHIP_REV_IS_FPGA(bp)) | |
5102 | REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x580000); | |
5103 | else | |
5104 | REG_WR(bp, PXP2_REG_PXP2_INT_MASK_0, 0x480000); | |
5105 | REG_WR(bp, TSDM_REG_TSDM_INT_MASK_0, 0); | |
5106 | REG_WR(bp, TSDM_REG_TSDM_INT_MASK_1, 0); | |
5107 | REG_WR(bp, TCM_REG_TCM_INT_MASK, 0); | |
5108 | /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_0, 0); */ | |
5109 | /* REG_WR(bp, TSEM_REG_TSEM_INT_MASK_1, 0); */ | |
5110 | REG_WR(bp, CDU_REG_CDU_INT_MASK, 0); | |
5111 | REG_WR(bp, DMAE_REG_DMAE_INT_MASK, 0); | |
5112 | /* REG_WR(bp, MISC_REG_MISC_INT_MASK, 0); */ | |
5113 | REG_WR(bp, PBF_REG_PBF_INT_MASK, 0X18); /* bit 3,4 masked */ | |
5114 | } | |
5115 | ||
5116 | ||
5117 | static int bnx2x_init_common(struct bnx2x *bp) | |
5118 | { | |
5119 | u32 val, i; | |
5120 | ||
5121 | DP(BNX2X_MSG_MCP, "starting common init func %d\n", BP_FUNC(bp)); | |
5122 | ||
5123 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, 0xffffffff); | |
5124 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_SET, 0xfffc); | |
5125 | ||
5126 | bnx2x_init_block(bp, MISC_COMMON_START, MISC_COMMON_END); | |
5127 | if (CHIP_IS_E1H(bp)) | |
5128 | REG_WR(bp, MISC_REG_E1HMF_MODE, IS_E1HMF(bp)); | |
5129 | ||
5130 | REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x100); | |
5131 | msleep(30); | |
5132 | REG_WR(bp, MISC_REG_LCPLL_CTRL_REG_2, 0x0); | |
5133 | ||
5134 | bnx2x_init_block(bp, PXP_COMMON_START, PXP_COMMON_END); | |
5135 | if (CHIP_IS_E1(bp)) { | |
5136 | /* enable HW interrupt from PXP on USDM overflow | |
5137 | bit 16 on INT_MASK_0 */ | |
5138 | REG_WR(bp, PXP_REG_PXP_INT_MASK_0, 0); | |
5139 | } | |
5140 | ||
5141 | bnx2x_init_block(bp, PXP2_COMMON_START, PXP2_COMMON_END); | |
5142 | bnx2x_init_pxp(bp); | |
5143 | ||
5144 | #ifdef __BIG_ENDIAN | |
5145 | REG_WR(bp, PXP2_REG_RQ_QM_ENDIAN_M, 1); | |
5146 | REG_WR(bp, PXP2_REG_RQ_TM_ENDIAN_M, 1); | |
5147 | REG_WR(bp, PXP2_REG_RQ_SRC_ENDIAN_M, 1); | |
5148 | REG_WR(bp, PXP2_REG_RQ_CDU_ENDIAN_M, 1); | |
5149 | REG_WR(bp, PXP2_REG_RQ_DBG_ENDIAN_M, 1); | |
5150 | REG_WR(bp, PXP2_REG_RQ_HC_ENDIAN_M, 1); | |
5151 | ||
5152 | /* REG_WR(bp, PXP2_REG_RD_PBF_SWAP_MODE, 1); */ | |
5153 | REG_WR(bp, PXP2_REG_RD_QM_SWAP_MODE, 1); | |
5154 | REG_WR(bp, PXP2_REG_RD_TM_SWAP_MODE, 1); | |
5155 | REG_WR(bp, PXP2_REG_RD_SRC_SWAP_MODE, 1); | |
5156 | REG_WR(bp, PXP2_REG_RD_CDURD_SWAP_MODE, 1); | |
5157 | #endif | |
5158 | ||
5159 | REG_WR(bp, PXP2_REG_RQ_CDU_P_SIZE, 2); | |
5160 | #ifdef BCM_ISCSI | |
5161 | REG_WR(bp, PXP2_REG_RQ_TM_P_SIZE, 5); | |
5162 | REG_WR(bp, PXP2_REG_RQ_QM_P_SIZE, 5); | |
5163 | REG_WR(bp, PXP2_REG_RQ_SRC_P_SIZE, 5); | |
5164 | #endif | |
5165 | ||
5166 | if (CHIP_REV_IS_FPGA(bp) && CHIP_IS_E1H(bp)) | |
5167 | REG_WR(bp, PXP2_REG_PGL_TAGS_LIMIT, 0x1); | |
5168 | ||
5169 | /* let the HW do it's magic ... */ | |
5170 | msleep(100); | |
5171 | /* finish PXP init */ | |
5172 | val = REG_RD(bp, PXP2_REG_RQ_CFG_DONE); | |
5173 | if (val != 1) { | |
5174 | BNX2X_ERR("PXP2 CFG failed\n"); | |
5175 | return -EBUSY; | |
5176 | } | |
5177 | val = REG_RD(bp, PXP2_REG_RD_INIT_DONE); | |
5178 | if (val != 1) { | |
5179 | BNX2X_ERR("PXP2 RD_INIT failed\n"); | |
5180 | return -EBUSY; | |
5181 | } | |
5182 | ||
5183 | REG_WR(bp, PXP2_REG_RQ_DISABLE_INPUTS, 0); | |
5184 | REG_WR(bp, PXP2_REG_RD_DISABLE_INPUTS, 0); | |
5185 | ||
5186 | bnx2x_init_block(bp, DMAE_COMMON_START, DMAE_COMMON_END); | |
5187 | ||
5188 | /* clean the DMAE memory */ | |
5189 | bp->dmae_ready = 1; | |
5190 | bnx2x_init_fill(bp, TSEM_REG_PRAM, 0, 8); | |
5191 | ||
5192 | bnx2x_init_block(bp, TCM_COMMON_START, TCM_COMMON_END); | |
5193 | bnx2x_init_block(bp, UCM_COMMON_START, UCM_COMMON_END); | |
5194 | bnx2x_init_block(bp, CCM_COMMON_START, CCM_COMMON_END); | |
5195 | bnx2x_init_block(bp, XCM_COMMON_START, XCM_COMMON_END); | |
5196 | ||
5197 | bnx2x_read_dmae(bp, XSEM_REG_PASSIVE_BUFFER, 3); | |
5198 | bnx2x_read_dmae(bp, CSEM_REG_PASSIVE_BUFFER, 3); | |
5199 | bnx2x_read_dmae(bp, TSEM_REG_PASSIVE_BUFFER, 3); | |
5200 | bnx2x_read_dmae(bp, USEM_REG_PASSIVE_BUFFER, 3); | |
5201 | ||
5202 | bnx2x_init_block(bp, QM_COMMON_START, QM_COMMON_END); | |
5203 | /* soft reset pulse */ | |
5204 | REG_WR(bp, QM_REG_SOFT_RESET, 1); | |
5205 | REG_WR(bp, QM_REG_SOFT_RESET, 0); | |
5206 | ||
5207 | #ifdef BCM_ISCSI | |
5208 | bnx2x_init_block(bp, TIMERS_COMMON_START, TIMERS_COMMON_END); | |
5209 | #endif | |
5210 | ||
5211 | bnx2x_init_block(bp, DQ_COMMON_START, DQ_COMMON_END); | |
5212 | REG_WR(bp, DORQ_REG_DPM_CID_OFST, BCM_PAGE_SHIFT); | |
5213 | if (!CHIP_REV_IS_SLOW(bp)) { | |
5214 | /* enable hw interrupt from doorbell Q */ | |
5215 | REG_WR(bp, DORQ_REG_DORQ_INT_MASK, 0); | |
5216 | } | |
5217 | ||
5218 | bnx2x_init_block(bp, BRB1_COMMON_START, BRB1_COMMON_END); | |
5219 | if (CHIP_REV_IS_SLOW(bp)) { | |
5220 | /* fix for emulation and FPGA for no pause */ | |
5221 | REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_0, 513); | |
5222 | REG_WR(bp, BRB1_REG_PAUSE_HIGH_THRESHOLD_1, 513); | |
5223 | REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_0, 0); | |
5224 | REG_WR(bp, BRB1_REG_PAUSE_LOW_THRESHOLD_1, 0); | |
5225 | } | |
5226 | ||
5227 | bnx2x_init_block(bp, PRS_COMMON_START, PRS_COMMON_END); | |
5228 | /* set NIC mode */ | |
5229 | REG_WR(bp, PRS_REG_NIC_MODE, 1); | |
5230 | if (CHIP_IS_E1H(bp)) | |
5231 | REG_WR(bp, PRS_REG_E1HOV_MODE, IS_E1HMF(bp)); | |
5232 | ||
5233 | bnx2x_init_block(bp, TSDM_COMMON_START, TSDM_COMMON_END); | |
5234 | bnx2x_init_block(bp, CSDM_COMMON_START, CSDM_COMMON_END); | |
5235 | bnx2x_init_block(bp, USDM_COMMON_START, USDM_COMMON_END); | |
5236 | bnx2x_init_block(bp, XSDM_COMMON_START, XSDM_COMMON_END); | |
5237 | ||
5238 | if (CHIP_IS_E1H(bp)) { | |
5239 | bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, | |
5240 | STORM_INTMEM_SIZE_E1H/2); | |
5241 | bnx2x_init_fill(bp, | |
5242 | TSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2, | |
5243 | 0, STORM_INTMEM_SIZE_E1H/2); | |
5244 | bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, | |
5245 | STORM_INTMEM_SIZE_E1H/2); | |
5246 | bnx2x_init_fill(bp, | |
5247 | CSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2, | |
5248 | 0, STORM_INTMEM_SIZE_E1H/2); | |
5249 | bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, | |
5250 | STORM_INTMEM_SIZE_E1H/2); | |
5251 | bnx2x_init_fill(bp, | |
5252 | XSTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2, | |
5253 | 0, STORM_INTMEM_SIZE_E1H/2); | |
5254 | bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, | |
5255 | STORM_INTMEM_SIZE_E1H/2); | |
5256 | bnx2x_init_fill(bp, | |
5257 | USTORM_INTMEM_ADDR + STORM_INTMEM_SIZE_E1H/2, | |
5258 | 0, STORM_INTMEM_SIZE_E1H/2); | |
5259 | } else { /* E1 */ | |
5260 | bnx2x_init_fill(bp, TSTORM_INTMEM_ADDR, 0, | |
5261 | STORM_INTMEM_SIZE_E1); | |
5262 | bnx2x_init_fill(bp, CSTORM_INTMEM_ADDR, 0, | |
5263 | STORM_INTMEM_SIZE_E1); | |
5264 | bnx2x_init_fill(bp, XSTORM_INTMEM_ADDR, 0, | |
5265 | STORM_INTMEM_SIZE_E1); | |
5266 | bnx2x_init_fill(bp, USTORM_INTMEM_ADDR, 0, | |
5267 | STORM_INTMEM_SIZE_E1); | |
5268 | } | |
5269 | ||
5270 | bnx2x_init_block(bp, TSEM_COMMON_START, TSEM_COMMON_END); | |
5271 | bnx2x_init_block(bp, USEM_COMMON_START, USEM_COMMON_END); | |
5272 | bnx2x_init_block(bp, CSEM_COMMON_START, CSEM_COMMON_END); | |
5273 | bnx2x_init_block(bp, XSEM_COMMON_START, XSEM_COMMON_END); | |
5274 | ||
5275 | /* sync semi rtc */ | |
5276 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
5277 | 0x80000000); | |
5278 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, | |
5279 | 0x80000000); | |
5280 | ||
5281 | bnx2x_init_block(bp, UPB_COMMON_START, UPB_COMMON_END); | |
5282 | bnx2x_init_block(bp, XPB_COMMON_START, XPB_COMMON_END); | |
5283 | bnx2x_init_block(bp, PBF_COMMON_START, PBF_COMMON_END); | |
5284 | ||
5285 | REG_WR(bp, SRC_REG_SOFT_RST, 1); | |
5286 | for (i = SRC_REG_KEYRSS0_0; i <= SRC_REG_KEYRSS1_9; i += 4) { | |
5287 | REG_WR(bp, i, 0xc0cac01a); | |
5288 | /* TODO: replace with something meaningful */ | |
5289 | } | |
5290 | if (CHIP_IS_E1H(bp)) | |
5291 | bnx2x_init_block(bp, SRCH_COMMON_START, SRCH_COMMON_END); | |
5292 | REG_WR(bp, SRC_REG_SOFT_RST, 0); | |
5293 | ||
5294 | if (sizeof(union cdu_context) != 1024) | |
5295 | /* we currently assume that a context is 1024 bytes */ | |
5296 | printk(KERN_ALERT PFX "please adjust the size of" | |
5297 | " cdu_context(%ld)\n", (long)sizeof(union cdu_context)); | |
5298 | ||
5299 | bnx2x_init_block(bp, CDU_COMMON_START, CDU_COMMON_END); | |
5300 | val = (4 << 24) + (0 << 12) + 1024; | |
5301 | REG_WR(bp, CDU_REG_CDU_GLOBAL_PARAMS, val); | |
5302 | if (CHIP_IS_E1(bp)) { | |
5303 | /* !!! fix pxp client crdit until excel update */ | |
5304 | REG_WR(bp, CDU_REG_CDU_DEBUG, 0x264); | |
5305 | REG_WR(bp, CDU_REG_CDU_DEBUG, 0); | |
5306 | } | |
5307 | ||
5308 | bnx2x_init_block(bp, CFC_COMMON_START, CFC_COMMON_END); | |
5309 | REG_WR(bp, CFC_REG_INIT_REG, 0x7FF); | |
5310 | ||
5311 | bnx2x_init_block(bp, HC_COMMON_START, HC_COMMON_END); | |
5312 | bnx2x_init_block(bp, MISC_AEU_COMMON_START, MISC_AEU_COMMON_END); | |
5313 | ||
5314 | /* PXPCS COMMON comes here */ | |
5315 | /* Reset PCIE errors for debug */ | |
5316 | REG_WR(bp, 0x2814, 0xffffffff); | |
5317 | REG_WR(bp, 0x3820, 0xffffffff); | |
5318 | ||
5319 | /* EMAC0 COMMON comes here */ | |
5320 | /* EMAC1 COMMON comes here */ | |
5321 | /* DBU COMMON comes here */ | |
5322 | /* DBG COMMON comes here */ | |
5323 | ||
5324 | bnx2x_init_block(bp, NIG_COMMON_START, NIG_COMMON_END); | |
5325 | if (CHIP_IS_E1H(bp)) { | |
5326 | REG_WR(bp, NIG_REG_LLH_MF_MODE, IS_E1HMF(bp)); | |
5327 | REG_WR(bp, NIG_REG_LLH_E1HOV_MODE, IS_E1HMF(bp)); | |
5328 | } | |
5329 | ||
5330 | if (CHIP_REV_IS_SLOW(bp)) | |
5331 | msleep(200); | |
5332 | ||
5333 | /* finish CFC init */ | |
5334 | val = reg_poll(bp, CFC_REG_LL_INIT_DONE, 1, 100, 10); | |
5335 | if (val != 1) { | |
5336 | BNX2X_ERR("CFC LL_INIT failed\n"); | |
5337 | return -EBUSY; | |
5338 | } | |
5339 | val = reg_poll(bp, CFC_REG_AC_INIT_DONE, 1, 100, 10); | |
5340 | if (val != 1) { | |
5341 | BNX2X_ERR("CFC AC_INIT failed\n"); | |
5342 | return -EBUSY; | |
5343 | } | |
5344 | val = reg_poll(bp, CFC_REG_CAM_INIT_DONE, 1, 100, 10); | |
5345 | if (val != 1) { | |
5346 | BNX2X_ERR("CFC CAM_INIT failed\n"); | |
5347 | return -EBUSY; | |
5348 | } | |
5349 | REG_WR(bp, CFC_REG_DEBUG0, 0); | |
5350 | ||
5351 | /* read NIG statistic | |
5352 | to see if this is our first up since powerup */ | |
5353 | bnx2x_read_dmae(bp, NIG_REG_STAT2_BRB_OCTET, 2); | |
5354 | val = *bnx2x_sp(bp, wb_data[0]); | |
5355 | ||
5356 | /* do internal memory self test */ | |
5357 | if ((CHIP_IS_E1(bp)) && (val == 0) && bnx2x_int_mem_test(bp)) { | |
5358 | BNX2X_ERR("internal mem self test failed\n"); | |
5359 | return -EBUSY; | |
5360 | } | |
5361 | ||
5362 | switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) { | |
5363 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G: | |
5364 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: | |
5365 | /* Fan failure is indicated by SPIO 5 */ | |
5366 | bnx2x_set_spio(bp, MISC_REGISTERS_SPIO_5, | |
5367 | MISC_REGISTERS_SPIO_INPUT_HI_Z); | |
5368 | ||
5369 | /* set to active low mode */ | |
5370 | val = REG_RD(bp, MISC_REG_SPIO_INT); | |
5371 | val |= ((1 << MISC_REGISTERS_SPIO_5) << | |
5372 | MISC_REGISTERS_SPIO_INT_OLD_SET_POS); | |
5373 | REG_WR(bp, MISC_REG_SPIO_INT, val); | |
5374 | ||
5375 | /* enable interrupt to signal the IGU */ | |
5376 | val = REG_RD(bp, MISC_REG_SPIO_EVENT_EN); | |
5377 | val |= (1 << MISC_REGISTERS_SPIO_5); | |
5378 | REG_WR(bp, MISC_REG_SPIO_EVENT_EN, val); | |
5379 | break; | |
5380 | ||
5381 | default: | |
5382 | break; | |
5383 | } | |
5384 | ||
5385 | /* clear PXP2 attentions */ | |
5386 | REG_RD(bp, PXP2_REG_PXP2_INT_STS_CLR_0); | |
5387 | ||
5388 | enable_blocks_attention(bp); | |
5389 | ||
5390 | if (!BP_NOMCP(bp)) { | |
5391 | bnx2x_acquire_phy_lock(bp); | |
5392 | bnx2x_common_init_phy(bp, bp->common.shmem_base); | |
5393 | bnx2x_release_phy_lock(bp); | |
5394 | } else | |
5395 | BNX2X_ERR("Bootcode is missing - can not initialize link\n"); | |
5396 | ||
5397 | return 0; | |
5398 | } | |
5399 | ||
5400 | static int bnx2x_init_port(struct bnx2x *bp) | |
5401 | { | |
5402 | int port = BP_PORT(bp); | |
5403 | u32 val; | |
5404 | ||
5405 | DP(BNX2X_MSG_MCP, "starting port init port %x\n", port); | |
5406 | ||
5407 | REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0); | |
5408 | ||
5409 | /* Port PXP comes here */ | |
5410 | /* Port PXP2 comes here */ | |
5411 | #ifdef BCM_ISCSI | |
5412 | /* Port0 1 | |
5413 | * Port1 385 */ | |
5414 | i++; | |
5415 | wb_write[0] = ONCHIP_ADDR1(bp->timers_mapping); | |
5416 | wb_write[1] = ONCHIP_ADDR2(bp->timers_mapping); | |
5417 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
5418 | REG_WR(bp, PXP2_REG_PSWRQ_TM0_L2P + func*4, PXP_ONE_ILT(i)); | |
5419 | ||
5420 | /* Port0 2 | |
5421 | * Port1 386 */ | |
5422 | i++; | |
5423 | wb_write[0] = ONCHIP_ADDR1(bp->qm_mapping); | |
5424 | wb_write[1] = ONCHIP_ADDR2(bp->qm_mapping); | |
5425 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
5426 | REG_WR(bp, PXP2_REG_PSWRQ_QM0_L2P + func*4, PXP_ONE_ILT(i)); | |
5427 | ||
5428 | /* Port0 3 | |
5429 | * Port1 387 */ | |
5430 | i++; | |
5431 | wb_write[0] = ONCHIP_ADDR1(bp->t1_mapping); | |
5432 | wb_write[1] = ONCHIP_ADDR2(bp->t1_mapping); | |
5433 | REG_WR_DMAE(bp, PXP2_REG_RQ_ONCHIP_AT + i*8, wb_write, 2); | |
5434 | REG_WR(bp, PXP2_REG_PSWRQ_SRC0_L2P + func*4, PXP_ONE_ILT(i)); | |
5435 | #endif | |
5436 | /* Port CMs come here */ | |
5437 | ||
5438 | /* Port QM comes here */ | |
5439 | #ifdef BCM_ISCSI | |
5440 | REG_WR(bp, TM_REG_LIN0_SCAN_TIME + func*4, 1024/64*20); | |
5441 | REG_WR(bp, TM_REG_LIN0_MAX_ACTIVE_CID + func*4, 31); | |
5442 | ||
5443 | bnx2x_init_block(bp, func ? TIMERS_PORT1_START : TIMERS_PORT0_START, | |
5444 | func ? TIMERS_PORT1_END : TIMERS_PORT0_END); | |
5445 | #endif | |
5446 | /* Port DQ comes here */ | |
5447 | /* Port BRB1 comes here */ | |
5448 | /* Port PRS comes here */ | |
5449 | /* Port TSDM comes here */ | |
5450 | /* Port CSDM comes here */ | |
5451 | /* Port USDM comes here */ | |
5452 | /* Port XSDM comes here */ | |
5453 | bnx2x_init_block(bp, port ? TSEM_PORT1_START : TSEM_PORT0_START, | |
5454 | port ? TSEM_PORT1_END : TSEM_PORT0_END); | |
5455 | bnx2x_init_block(bp, port ? USEM_PORT1_START : USEM_PORT0_START, | |
5456 | port ? USEM_PORT1_END : USEM_PORT0_END); | |
5457 | bnx2x_init_block(bp, port ? CSEM_PORT1_START : CSEM_PORT0_START, | |
5458 | port ? CSEM_PORT1_END : CSEM_PORT0_END); | |
5459 | bnx2x_init_block(bp, port ? XSEM_PORT1_START : XSEM_PORT0_START, | |
5460 | port ? XSEM_PORT1_END : XSEM_PORT0_END); | |
5461 | /* Port UPB comes here */ | |
5462 | /* Port XPB comes here */ | |
5463 | ||
5464 | bnx2x_init_block(bp, port ? PBF_PORT1_START : PBF_PORT0_START, | |
5465 | port ? PBF_PORT1_END : PBF_PORT0_END); | |
5466 | ||
5467 | /* configure PBF to work without PAUSE mtu 9000 */ | |
5468 | REG_WR(bp, PBF_REG_P0_PAUSE_ENABLE + port*4, 0); | |
5469 | ||
5470 | /* update threshold */ | |
5471 | REG_WR(bp, PBF_REG_P0_ARB_THRSH + port*4, (9040/16)); | |
5472 | /* update init credit */ | |
5473 | REG_WR(bp, PBF_REG_P0_INIT_CRD + port*4, (9040/16) + 553 - 22); | |
5474 | ||
5475 | /* probe changes */ | |
5476 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 1); | |
5477 | msleep(5); | |
5478 | REG_WR(bp, PBF_REG_INIT_P0 + port*4, 0); | |
5479 | ||
5480 | #ifdef BCM_ISCSI | |
5481 | /* tell the searcher where the T2 table is */ | |
5482 | REG_WR(bp, SRC_REG_COUNTFREE0 + func*4, 16*1024/64); | |
5483 | ||
5484 | wb_write[0] = U64_LO(bp->t2_mapping); | |
5485 | wb_write[1] = U64_HI(bp->t2_mapping); | |
5486 | REG_WR_DMAE(bp, SRC_REG_FIRSTFREE0 + func*4, wb_write, 2); | |
5487 | wb_write[0] = U64_LO((u64)bp->t2_mapping + 16*1024 - 64); | |
5488 | wb_write[1] = U64_HI((u64)bp->t2_mapping + 16*1024 - 64); | |
5489 | REG_WR_DMAE(bp, SRC_REG_LASTFREE0 + func*4, wb_write, 2); | |
5490 | ||
5491 | REG_WR(bp, SRC_REG_NUMBER_HASH_BITS0 + func*4, 10); | |
5492 | /* Port SRCH comes here */ | |
5493 | #endif | |
5494 | /* Port CDU comes here */ | |
5495 | /* Port CFC comes here */ | |
5496 | ||
5497 | if (CHIP_IS_E1(bp)) { | |
5498 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); | |
5499 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); | |
5500 | } | |
5501 | bnx2x_init_block(bp, port ? HC_PORT1_START : HC_PORT0_START, | |
5502 | port ? HC_PORT1_END : HC_PORT0_END); | |
5503 | ||
5504 | bnx2x_init_block(bp, port ? MISC_AEU_PORT1_START : | |
5505 | MISC_AEU_PORT0_START, | |
5506 | port ? MISC_AEU_PORT1_END : MISC_AEU_PORT0_END); | |
5507 | /* init aeu_mask_attn_func_0/1: | |
5508 | * - SF mode: bits 3-7 are masked. only bits 0-2 are in use | |
5509 | * - MF mode: bit 3 is masked. bits 0-2 are in use as in SF | |
5510 | * bits 4-7 are used for "per vn group attention" */ | |
5511 | REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, | |
5512 | (IS_E1HMF(bp) ? 0xF7 : 0x7)); | |
5513 | ||
5514 | /* Port PXPCS comes here */ | |
5515 | /* Port EMAC0 comes here */ | |
5516 | /* Port EMAC1 comes here */ | |
5517 | /* Port DBU comes here */ | |
5518 | /* Port DBG comes here */ | |
5519 | bnx2x_init_block(bp, port ? NIG_PORT1_START : NIG_PORT0_START, | |
5520 | port ? NIG_PORT1_END : NIG_PORT0_END); | |
5521 | ||
5522 | REG_WR(bp, NIG_REG_XGXS_SERDES0_MODE_SEL + port*4, 1); | |
5523 | ||
5524 | if (CHIP_IS_E1H(bp)) { | |
5525 | u32 wsum; | |
5526 | struct cmng_struct_per_port m_cmng_port; | |
5527 | int vn; | |
5528 | ||
5529 | /* 0x2 disable e1hov, 0x1 enable */ | |
5530 | REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK_MF + port*4, | |
5531 | (IS_E1HMF(bp) ? 0x1 : 0x2)); | |
5532 | ||
5533 | /* Init RATE SHAPING and FAIRNESS contexts. | |
5534 | Initialize as if there is 10G link. */ | |
5535 | wsum = bnx2x_calc_vn_wsum(bp); | |
5536 | bnx2x_init_port_minmax(bp, (int)wsum, 10000, &m_cmng_port); | |
5537 | if (IS_E1HMF(bp)) | |
5538 | for (vn = VN_0; vn < E1HVN_MAX; vn++) | |
5539 | bnx2x_init_vn_minmax(bp, 2*vn + port, | |
5540 | wsum, 10000, &m_cmng_port); | |
5541 | } | |
5542 | ||
5543 | /* Port MCP comes here */ | |
5544 | /* Port DMAE comes here */ | |
5545 | ||
5546 | switch (bp->common.board & SHARED_HW_CFG_BOARD_TYPE_MASK) { | |
5547 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1021G: | |
5548 | case SHARED_HW_CFG_BOARD_TYPE_BCM957710A1022G: | |
5549 | /* add SPIO 5 to group 0 */ | |
5550 | val = REG_RD(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0); | |
5551 | val |= AEU_INPUTS_ATTN_BITS_SPIO5; | |
5552 | REG_WR(bp, MISC_REG_AEU_ENABLE1_FUNC_0_OUT_0, val); | |
5553 | break; | |
5554 | ||
5555 | default: | |
5556 | break; | |
5557 | } | |
5558 | ||
5559 | bnx2x__link_reset(bp); | |
5560 | ||
5561 | return 0; | |
5562 | } | |
5563 | ||
5564 | #define ILT_PER_FUNC (768/2) | |
5565 | #define FUNC_ILT_BASE(func) (func * ILT_PER_FUNC) | |
5566 | /* the phys address is shifted right 12 bits and has an added | |
5567 | 1=valid bit added to the 53rd bit | |
5568 | then since this is a wide register(TM) | |
5569 | we split it into two 32 bit writes | |
5570 | */ | |
5571 | #define ONCHIP_ADDR1(x) ((u32)(((u64)x >> 12) & 0xFFFFFFFF)) | |
5572 | #define ONCHIP_ADDR2(x) ((u32)((1 << 20) | ((u64)x >> 44))) | |
5573 | #define PXP_ONE_ILT(x) (((x) << 10) | x) | |
5574 | #define PXP_ILT_RANGE(f, l) (((l) << 10) | f) | |
5575 | ||
5576 | #define CNIC_ILT_LINES 0 | |
5577 | ||
5578 | static void bnx2x_ilt_wr(struct bnx2x *bp, u32 index, dma_addr_t addr) | |
5579 | { | |
5580 | int reg; | |
5581 | ||
5582 | if (CHIP_IS_E1H(bp)) | |
5583 | reg = PXP2_REG_RQ_ONCHIP_AT_B0 + index*8; | |
5584 | else /* E1 */ | |
5585 | reg = PXP2_REG_RQ_ONCHIP_AT + index*8; | |
5586 | ||
5587 | bnx2x_wb_wr(bp, reg, ONCHIP_ADDR1(addr), ONCHIP_ADDR2(addr)); | |
5588 | } | |
5589 | ||
5590 | static int bnx2x_init_func(struct bnx2x *bp) | |
5591 | { | |
5592 | int port = BP_PORT(bp); | |
5593 | int func = BP_FUNC(bp); | |
5594 | int i; | |
5595 | ||
5596 | DP(BNX2X_MSG_MCP, "starting func init func %x\n", func); | |
5597 | ||
5598 | i = FUNC_ILT_BASE(func); | |
5599 | ||
5600 | bnx2x_ilt_wr(bp, i, bnx2x_sp_mapping(bp, context)); | |
5601 | if (CHIP_IS_E1H(bp)) { | |
5602 | REG_WR(bp, PXP2_REG_RQ_CDU_FIRST_ILT, i); | |
5603 | REG_WR(bp, PXP2_REG_RQ_CDU_LAST_ILT, i + CNIC_ILT_LINES); | |
5604 | } else /* E1 */ | |
5605 | REG_WR(bp, PXP2_REG_PSWRQ_CDU0_L2P + func*4, | |
5606 | PXP_ILT_RANGE(i, i + CNIC_ILT_LINES)); | |
5607 | ||
5608 | ||
5609 | if (CHIP_IS_E1H(bp)) { | |
5610 | for (i = 0; i < 9; i++) | |
5611 | bnx2x_init_block(bp, | |
5612 | cm_start[func][i], cm_end[func][i]); | |
5613 | ||
5614 | REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 1); | |
5615 | REG_WR(bp, NIG_REG_LLH0_FUNC_VLAN_ID + port*8, bp->e1hov); | |
5616 | } | |
5617 | ||
5618 | /* HC init per function */ | |
5619 | if (CHIP_IS_E1H(bp)) { | |
5620 | REG_WR(bp, MISC_REG_AEU_GENERAL_ATTN_12 + func*4, 0); | |
5621 | ||
5622 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); | |
5623 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); | |
5624 | } | |
5625 | bnx2x_init_block(bp, hc_limits[func][0], hc_limits[func][1]); | |
5626 | ||
5627 | if (CHIP_IS_E1H(bp)) | |
5628 | REG_WR(bp, HC_REG_FUNC_NUM_P0 + port*4, func); | |
5629 | ||
5630 | /* Reset PCIE errors for debug */ | |
5631 | REG_WR(bp, 0x2114, 0xffffffff); | |
5632 | REG_WR(bp, 0x2120, 0xffffffff); | |
5633 | ||
5634 | return 0; | |
5635 | } | |
5636 | ||
5637 | static int bnx2x_init_hw(struct bnx2x *bp, u32 load_code) | |
5638 | { | |
5639 | int i, rc = 0; | |
5640 | ||
5641 | DP(BNX2X_MSG_MCP, "function %d load_code %x\n", | |
5642 | BP_FUNC(bp), load_code); | |
5643 | ||
5644 | bp->dmae_ready = 0; | |
5645 | mutex_init(&bp->dmae_mutex); | |
5646 | bnx2x_gunzip_init(bp); | |
5647 | ||
5648 | switch (load_code) { | |
5649 | case FW_MSG_CODE_DRV_LOAD_COMMON: | |
5650 | rc = bnx2x_init_common(bp); | |
5651 | if (rc) | |
5652 | goto init_hw_err; | |
5653 | /* no break */ | |
5654 | ||
5655 | case FW_MSG_CODE_DRV_LOAD_PORT: | |
5656 | bp->dmae_ready = 1; | |
5657 | rc = bnx2x_init_port(bp); | |
5658 | if (rc) | |
5659 | goto init_hw_err; | |
5660 | /* no break */ | |
5661 | ||
5662 | case FW_MSG_CODE_DRV_LOAD_FUNCTION: | |
5663 | bp->dmae_ready = 1; | |
5664 | rc = bnx2x_init_func(bp); | |
5665 | if (rc) | |
5666 | goto init_hw_err; | |
5667 | break; | |
5668 | ||
5669 | default: | |
5670 | BNX2X_ERR("Unknown load_code (0x%x) from MCP\n", load_code); | |
5671 | break; | |
5672 | } | |
5673 | ||
5674 | if (!BP_NOMCP(bp)) { | |
5675 | int func = BP_FUNC(bp); | |
5676 | ||
5677 | bp->fw_drv_pulse_wr_seq = | |
5678 | (SHMEM_RD(bp, func_mb[func].drv_pulse_mb) & | |
5679 | DRV_PULSE_SEQ_MASK); | |
5680 | bp->func_stx = SHMEM_RD(bp, func_mb[func].fw_mb_param); | |
5681 | DP(BNX2X_MSG_MCP, "drv_pulse 0x%x func_stx 0x%x\n", | |
5682 | bp->fw_drv_pulse_wr_seq, bp->func_stx); | |
5683 | } else | |
5684 | bp->func_stx = 0; | |
5685 | ||
5686 | /* this needs to be done before gunzip end */ | |
5687 | bnx2x_zero_def_sb(bp); | |
5688 | for_each_queue(bp, i) | |
5689 | bnx2x_zero_sb(bp, BP_L_ID(bp) + i); | |
5690 | ||
5691 | init_hw_err: | |
5692 | bnx2x_gunzip_end(bp); | |
5693 | ||
5694 | return rc; | |
5695 | } | |
5696 | ||
5697 | /* send the MCP a request, block until there is a reply */ | |
5698 | static u32 bnx2x_fw_command(struct bnx2x *bp, u32 command) | |
5699 | { | |
5700 | int func = BP_FUNC(bp); | |
5701 | u32 seq = ++bp->fw_seq; | |
5702 | u32 rc = 0; | |
5703 | u32 cnt = 1; | |
5704 | u8 delay = CHIP_REV_IS_SLOW(bp) ? 100 : 10; | |
5705 | ||
5706 | SHMEM_WR(bp, func_mb[func].drv_mb_header, (command | seq)); | |
5707 | DP(BNX2X_MSG_MCP, "wrote command (%x) to FW MB\n", (command | seq)); | |
5708 | ||
5709 | do { | |
5710 | /* let the FW do it's magic ... */ | |
5711 | msleep(delay); | |
5712 | ||
5713 | rc = SHMEM_RD(bp, func_mb[func].fw_mb_header); | |
5714 | ||
5715 | /* Give the FW up to 2 second (200*10ms) */ | |
5716 | } while ((seq != (rc & FW_MSG_SEQ_NUMBER_MASK)) && (cnt++ < 200)); | |
5717 | ||
5718 | DP(BNX2X_MSG_MCP, "[after %d ms] read (%x) seq is (%x) from FW MB\n", | |
5719 | cnt*delay, rc, seq); | |
5720 | ||
5721 | /* is this a reply to our command? */ | |
5722 | if (seq == (rc & FW_MSG_SEQ_NUMBER_MASK)) { | |
5723 | rc &= FW_MSG_CODE_MASK; | |
5724 | ||
5725 | } else { | |
5726 | /* FW BUG! */ | |
5727 | BNX2X_ERR("FW failed to respond!\n"); | |
5728 | bnx2x_fw_dump(bp); | |
5729 | rc = 0; | |
5730 | } | |
5731 | ||
5732 | return rc; | |
5733 | } | |
5734 | ||
5735 | static void bnx2x_free_mem(struct bnx2x *bp) | |
5736 | { | |
5737 | ||
5738 | #define BNX2X_PCI_FREE(x, y, size) \ | |
5739 | do { \ | |
5740 | if (x) { \ | |
5741 | pci_free_consistent(bp->pdev, size, x, y); \ | |
5742 | x = NULL; \ | |
5743 | y = 0; \ | |
5744 | } \ | |
5745 | } while (0) | |
5746 | ||
5747 | #define BNX2X_FREE(x) \ | |
5748 | do { \ | |
5749 | if (x) { \ | |
5750 | vfree(x); \ | |
5751 | x = NULL; \ | |
5752 | } \ | |
5753 | } while (0) | |
5754 | ||
5755 | int i; | |
5756 | ||
5757 | /* fastpath */ | |
5758 | for_each_queue(bp, i) { | |
5759 | ||
5760 | /* Status blocks */ | |
5761 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, status_blk), | |
5762 | bnx2x_fp(bp, i, status_blk_mapping), | |
5763 | sizeof(struct host_status_block) + | |
5764 | sizeof(struct eth_tx_db_data)); | |
5765 | ||
5766 | /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */ | |
5767 | BNX2X_FREE(bnx2x_fp(bp, i, tx_buf_ring)); | |
5768 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, tx_desc_ring), | |
5769 | bnx2x_fp(bp, i, tx_desc_mapping), | |
5770 | sizeof(struct eth_tx_bd) * NUM_TX_BD); | |
5771 | ||
5772 | BNX2X_FREE(bnx2x_fp(bp, i, rx_buf_ring)); | |
5773 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_desc_ring), | |
5774 | bnx2x_fp(bp, i, rx_desc_mapping), | |
5775 | sizeof(struct eth_rx_bd) * NUM_RX_BD); | |
5776 | ||
5777 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_comp_ring), | |
5778 | bnx2x_fp(bp, i, rx_comp_mapping), | |
5779 | sizeof(struct eth_fast_path_rx_cqe) * | |
5780 | NUM_RCQ_BD); | |
5781 | ||
5782 | /* SGE ring */ | |
5783 | BNX2X_FREE(bnx2x_fp(bp, i, rx_page_ring)); | |
5784 | BNX2X_PCI_FREE(bnx2x_fp(bp, i, rx_sge_ring), | |
5785 | bnx2x_fp(bp, i, rx_sge_mapping), | |
5786 | BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); | |
5787 | } | |
5788 | /* end of fastpath */ | |
5789 | ||
5790 | BNX2X_PCI_FREE(bp->def_status_blk, bp->def_status_blk_mapping, | |
5791 | sizeof(struct host_def_status_block)); | |
5792 | ||
5793 | BNX2X_PCI_FREE(bp->slowpath, bp->slowpath_mapping, | |
5794 | sizeof(struct bnx2x_slowpath)); | |
5795 | ||
5796 | #ifdef BCM_ISCSI | |
5797 | BNX2X_PCI_FREE(bp->t1, bp->t1_mapping, 64*1024); | |
5798 | BNX2X_PCI_FREE(bp->t2, bp->t2_mapping, 16*1024); | |
5799 | BNX2X_PCI_FREE(bp->timers, bp->timers_mapping, 8*1024); | |
5800 | BNX2X_PCI_FREE(bp->qm, bp->qm_mapping, 128*1024); | |
5801 | #endif | |
5802 | BNX2X_PCI_FREE(bp->spq, bp->spq_mapping, BCM_PAGE_SIZE); | |
5803 | ||
5804 | #undef BNX2X_PCI_FREE | |
5805 | #undef BNX2X_KFREE | |
5806 | } | |
5807 | ||
5808 | static int bnx2x_alloc_mem(struct bnx2x *bp) | |
5809 | { | |
5810 | ||
5811 | #define BNX2X_PCI_ALLOC(x, y, size) \ | |
5812 | do { \ | |
5813 | x = pci_alloc_consistent(bp->pdev, size, y); \ | |
5814 | if (x == NULL) \ | |
5815 | goto alloc_mem_err; \ | |
5816 | memset(x, 0, size); \ | |
5817 | } while (0) | |
5818 | ||
5819 | #define BNX2X_ALLOC(x, size) \ | |
5820 | do { \ | |
5821 | x = vmalloc(size); \ | |
5822 | if (x == NULL) \ | |
5823 | goto alloc_mem_err; \ | |
5824 | memset(x, 0, size); \ | |
5825 | } while (0) | |
5826 | ||
5827 | int i; | |
5828 | ||
5829 | /* fastpath */ | |
5830 | for_each_queue(bp, i) { | |
5831 | bnx2x_fp(bp, i, bp) = bp; | |
5832 | ||
5833 | /* Status blocks */ | |
5834 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, status_blk), | |
5835 | &bnx2x_fp(bp, i, status_blk_mapping), | |
5836 | sizeof(struct host_status_block) + | |
5837 | sizeof(struct eth_tx_db_data)); | |
5838 | ||
5839 | bnx2x_fp(bp, i, hw_tx_prods) = | |
5840 | (void *)(bnx2x_fp(bp, i, status_blk) + 1); | |
5841 | ||
5842 | bnx2x_fp(bp, i, tx_prods_mapping) = | |
5843 | bnx2x_fp(bp, i, status_blk_mapping) + | |
5844 | sizeof(struct host_status_block); | |
5845 | ||
5846 | /* fast path rings: tx_buf tx_desc rx_buf rx_desc rx_comp */ | |
5847 | BNX2X_ALLOC(bnx2x_fp(bp, i, tx_buf_ring), | |
5848 | sizeof(struct sw_tx_bd) * NUM_TX_BD); | |
5849 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, tx_desc_ring), | |
5850 | &bnx2x_fp(bp, i, tx_desc_mapping), | |
5851 | sizeof(struct eth_tx_bd) * NUM_TX_BD); | |
5852 | ||
5853 | BNX2X_ALLOC(bnx2x_fp(bp, i, rx_buf_ring), | |
5854 | sizeof(struct sw_rx_bd) * NUM_RX_BD); | |
5855 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_desc_ring), | |
5856 | &bnx2x_fp(bp, i, rx_desc_mapping), | |
5857 | sizeof(struct eth_rx_bd) * NUM_RX_BD); | |
5858 | ||
5859 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_comp_ring), | |
5860 | &bnx2x_fp(bp, i, rx_comp_mapping), | |
5861 | sizeof(struct eth_fast_path_rx_cqe) * | |
5862 | NUM_RCQ_BD); | |
5863 | ||
5864 | /* SGE ring */ | |
5865 | BNX2X_ALLOC(bnx2x_fp(bp, i, rx_page_ring), | |
5866 | sizeof(struct sw_rx_page) * NUM_RX_SGE); | |
5867 | BNX2X_PCI_ALLOC(bnx2x_fp(bp, i, rx_sge_ring), | |
5868 | &bnx2x_fp(bp, i, rx_sge_mapping), | |
5869 | BCM_PAGE_SIZE * NUM_RX_SGE_PAGES); | |
5870 | } | |
5871 | /* end of fastpath */ | |
5872 | ||
5873 | BNX2X_PCI_ALLOC(bp->def_status_blk, &bp->def_status_blk_mapping, | |
5874 | sizeof(struct host_def_status_block)); | |
5875 | ||
5876 | BNX2X_PCI_ALLOC(bp->slowpath, &bp->slowpath_mapping, | |
5877 | sizeof(struct bnx2x_slowpath)); | |
5878 | ||
5879 | #ifdef BCM_ISCSI | |
5880 | BNX2X_PCI_ALLOC(bp->t1, &bp->t1_mapping, 64*1024); | |
5881 | ||
5882 | /* Initialize T1 */ | |
5883 | for (i = 0; i < 64*1024; i += 64) { | |
5884 | *(u64 *)((char *)bp->t1 + i + 56) = 0x0UL; | |
5885 | *(u64 *)((char *)bp->t1 + i + 3) = 0x0UL; | |
5886 | } | |
5887 | ||
5888 | /* allocate searcher T2 table | |
5889 | we allocate 1/4 of alloc num for T2 | |
5890 | (which is not entered into the ILT) */ | |
5891 | BNX2X_PCI_ALLOC(bp->t2, &bp->t2_mapping, 16*1024); | |
5892 | ||
5893 | /* Initialize T2 */ | |
5894 | for (i = 0; i < 16*1024; i += 64) | |
5895 | * (u64 *)((char *)bp->t2 + i + 56) = bp->t2_mapping + i + 64; | |
5896 | ||
5897 | /* now fixup the last line in the block to point to the next block */ | |
5898 | *(u64 *)((char *)bp->t2 + 1024*16-8) = bp->t2_mapping; | |
5899 | ||
5900 | /* Timer block array (MAX_CONN*8) phys uncached for now 1024 conns */ | |
5901 | BNX2X_PCI_ALLOC(bp->timers, &bp->timers_mapping, 8*1024); | |
5902 | ||
5903 | /* QM queues (128*MAX_CONN) */ | |
5904 | BNX2X_PCI_ALLOC(bp->qm, &bp->qm_mapping, 128*1024); | |
5905 | #endif | |
5906 | ||
5907 | /* Slow path ring */ | |
5908 | BNX2X_PCI_ALLOC(bp->spq, &bp->spq_mapping, BCM_PAGE_SIZE); | |
5909 | ||
5910 | return 0; | |
5911 | ||
5912 | alloc_mem_err: | |
5913 | bnx2x_free_mem(bp); | |
5914 | return -ENOMEM; | |
5915 | ||
5916 | #undef BNX2X_PCI_ALLOC | |
5917 | #undef BNX2X_ALLOC | |
5918 | } | |
5919 | ||
5920 | static void bnx2x_free_tx_skbs(struct bnx2x *bp) | |
5921 | { | |
5922 | int i; | |
5923 | ||
5924 | for_each_queue(bp, i) { | |
5925 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
5926 | ||
5927 | u16 bd_cons = fp->tx_bd_cons; | |
5928 | u16 sw_prod = fp->tx_pkt_prod; | |
5929 | u16 sw_cons = fp->tx_pkt_cons; | |
5930 | ||
5931 | while (sw_cons != sw_prod) { | |
5932 | bd_cons = bnx2x_free_tx_pkt(bp, fp, TX_BD(sw_cons)); | |
5933 | sw_cons++; | |
5934 | } | |
5935 | } | |
5936 | } | |
5937 | ||
5938 | static void bnx2x_free_rx_skbs(struct bnx2x *bp) | |
5939 | { | |
5940 | int i, j; | |
5941 | ||
5942 | for_each_queue(bp, j) { | |
5943 | struct bnx2x_fastpath *fp = &bp->fp[j]; | |
5944 | ||
5945 | for (i = 0; i < NUM_RX_BD; i++) { | |
5946 | struct sw_rx_bd *rx_buf = &fp->rx_buf_ring[i]; | |
5947 | struct sk_buff *skb = rx_buf->skb; | |
5948 | ||
5949 | if (skb == NULL) | |
5950 | continue; | |
5951 | ||
5952 | pci_unmap_single(bp->pdev, | |
5953 | pci_unmap_addr(rx_buf, mapping), | |
5954 | bp->rx_buf_size, | |
5955 | PCI_DMA_FROMDEVICE); | |
5956 | ||
5957 | rx_buf->skb = NULL; | |
5958 | dev_kfree_skb(skb); | |
5959 | } | |
5960 | if (!fp->disable_tpa) | |
5961 | bnx2x_free_tpa_pool(bp, fp, CHIP_IS_E1(bp) ? | |
5962 | ETH_MAX_AGGREGATION_QUEUES_E1 : | |
5963 | ETH_MAX_AGGREGATION_QUEUES_E1H); | |
5964 | } | |
5965 | } | |
5966 | ||
5967 | static void bnx2x_free_skbs(struct bnx2x *bp) | |
5968 | { | |
5969 | bnx2x_free_tx_skbs(bp); | |
5970 | bnx2x_free_rx_skbs(bp); | |
5971 | } | |
5972 | ||
5973 | static void bnx2x_free_msix_irqs(struct bnx2x *bp) | |
5974 | { | |
5975 | int i, offset = 1; | |
5976 | ||
5977 | free_irq(bp->msix_table[0].vector, bp->dev); | |
5978 | DP(NETIF_MSG_IFDOWN, "released sp irq (%d)\n", | |
5979 | bp->msix_table[0].vector); | |
5980 | ||
5981 | for_each_queue(bp, i) { | |
5982 | DP(NETIF_MSG_IFDOWN, "about to release fp #%d->%d irq " | |
5983 | "state %x\n", i, bp->msix_table[i + offset].vector, | |
5984 | bnx2x_fp(bp, i, state)); | |
5985 | ||
5986 | if (bnx2x_fp(bp, i, state) != BNX2X_FP_STATE_CLOSED) | |
5987 | BNX2X_ERR("IRQ of fp #%d being freed while " | |
5988 | "state != closed\n", i); | |
5989 | ||
5990 | free_irq(bp->msix_table[i + offset].vector, &bp->fp[i]); | |
5991 | } | |
5992 | } | |
5993 | ||
5994 | static void bnx2x_free_irq(struct bnx2x *bp) | |
5995 | { | |
5996 | if (bp->flags & USING_MSIX_FLAG) { | |
5997 | bnx2x_free_msix_irqs(bp); | |
5998 | pci_disable_msix(bp->pdev); | |
5999 | bp->flags &= ~USING_MSIX_FLAG; | |
6000 | ||
6001 | } else | |
6002 | free_irq(bp->pdev->irq, bp->dev); | |
6003 | } | |
6004 | ||
6005 | static int bnx2x_enable_msix(struct bnx2x *bp) | |
6006 | { | |
6007 | int i, rc, offset; | |
6008 | ||
6009 | bp->msix_table[0].entry = 0; | |
6010 | offset = 1; | |
6011 | DP(NETIF_MSG_IFUP, "msix_table[0].entry = 0 (slowpath)\n"); | |
6012 | ||
6013 | for_each_queue(bp, i) { | |
6014 | int igu_vec = offset + i + BP_L_ID(bp); | |
6015 | ||
6016 | bp->msix_table[i + offset].entry = igu_vec; | |
6017 | DP(NETIF_MSG_IFUP, "msix_table[%d].entry = %d " | |
6018 | "(fastpath #%u)\n", i + offset, igu_vec, i); | |
6019 | } | |
6020 | ||
6021 | rc = pci_enable_msix(bp->pdev, &bp->msix_table[0], | |
6022 | bp->num_queues + offset); | |
6023 | if (rc) { | |
6024 | DP(NETIF_MSG_IFUP, "MSI-X is not attainable\n"); | |
6025 | return -1; | |
6026 | } | |
6027 | bp->flags |= USING_MSIX_FLAG; | |
6028 | ||
6029 | return 0; | |
6030 | } | |
6031 | ||
6032 | static int bnx2x_req_msix_irqs(struct bnx2x *bp) | |
6033 | { | |
6034 | int i, rc, offset = 1; | |
6035 | ||
6036 | rc = request_irq(bp->msix_table[0].vector, bnx2x_msix_sp_int, 0, | |
6037 | bp->dev->name, bp->dev); | |
6038 | if (rc) { | |
6039 | BNX2X_ERR("request sp irq failed\n"); | |
6040 | return -EBUSY; | |
6041 | } | |
6042 | ||
6043 | for_each_queue(bp, i) { | |
6044 | rc = request_irq(bp->msix_table[i + offset].vector, | |
6045 | bnx2x_msix_fp_int, 0, | |
6046 | bp->dev->name, &bp->fp[i]); | |
6047 | if (rc) { | |
6048 | BNX2X_ERR("request fp #%d irq failed rc -%d\n", | |
6049 | i + offset, -rc); | |
6050 | bnx2x_free_msix_irqs(bp); | |
6051 | return -EBUSY; | |
6052 | } | |
6053 | ||
6054 | bnx2x_fp(bp, i, state) = BNX2X_FP_STATE_IRQ; | |
6055 | } | |
6056 | ||
6057 | return 0; | |
6058 | } | |
6059 | ||
6060 | static int bnx2x_req_irq(struct bnx2x *bp) | |
6061 | { | |
6062 | int rc; | |
6063 | ||
6064 | rc = request_irq(bp->pdev->irq, bnx2x_interrupt, IRQF_SHARED, | |
6065 | bp->dev->name, bp->dev); | |
6066 | if (!rc) | |
6067 | bnx2x_fp(bp, 0, state) = BNX2X_FP_STATE_IRQ; | |
6068 | ||
6069 | return rc; | |
6070 | } | |
6071 | ||
6072 | static void bnx2x_napi_enable(struct bnx2x *bp) | |
6073 | { | |
6074 | int i; | |
6075 | ||
6076 | for_each_queue(bp, i) | |
6077 | napi_enable(&bnx2x_fp(bp, i, napi)); | |
6078 | } | |
6079 | ||
6080 | static void bnx2x_napi_disable(struct bnx2x *bp) | |
6081 | { | |
6082 | int i; | |
6083 | ||
6084 | for_each_queue(bp, i) | |
6085 | napi_disable(&bnx2x_fp(bp, i, napi)); | |
6086 | } | |
6087 | ||
6088 | static void bnx2x_netif_start(struct bnx2x *bp) | |
6089 | { | |
6090 | if (atomic_dec_and_test(&bp->intr_sem)) { | |
6091 | if (netif_running(bp->dev)) { | |
6092 | if (bp->state == BNX2X_STATE_OPEN) | |
6093 | netif_wake_queue(bp->dev); | |
6094 | bnx2x_napi_enable(bp); | |
6095 | bnx2x_int_enable(bp); | |
6096 | } | |
6097 | } | |
6098 | } | |
6099 | ||
6100 | static void bnx2x_netif_stop(struct bnx2x *bp, int disable_hw) | |
6101 | { | |
6102 | bnx2x_int_disable_sync(bp, disable_hw); | |
6103 | if (netif_running(bp->dev)) { | |
6104 | bnx2x_napi_disable(bp); | |
6105 | netif_tx_disable(bp->dev); | |
6106 | bp->dev->trans_start = jiffies; /* prevent tx timeout */ | |
6107 | } | |
6108 | } | |
6109 | ||
6110 | /* | |
6111 | * Init service functions | |
6112 | */ | |
6113 | ||
6114 | static void bnx2x_set_mac_addr_e1(struct bnx2x *bp, int set) | |
6115 | { | |
6116 | struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); | |
6117 | int port = BP_PORT(bp); | |
6118 | ||
6119 | /* CAM allocation | |
6120 | * unicasts 0-31:port0 32-63:port1 | |
6121 | * multicast 64-127:port0 128-191:port1 | |
6122 | */ | |
6123 | config->hdr.length_6b = 2; | |
6124 | config->hdr.offset = port ? 31 : 0; | |
6125 | config->hdr.client_id = BP_CL_ID(bp); | |
6126 | config->hdr.reserved1 = 0; | |
6127 | ||
6128 | /* primary MAC */ | |
6129 | config->config_table[0].cam_entry.msb_mac_addr = | |
6130 | swab16(*(u16 *)&bp->dev->dev_addr[0]); | |
6131 | config->config_table[0].cam_entry.middle_mac_addr = | |
6132 | swab16(*(u16 *)&bp->dev->dev_addr[2]); | |
6133 | config->config_table[0].cam_entry.lsb_mac_addr = | |
6134 | swab16(*(u16 *)&bp->dev->dev_addr[4]); | |
6135 | config->config_table[0].cam_entry.flags = cpu_to_le16(port); | |
6136 | if (set) | |
6137 | config->config_table[0].target_table_entry.flags = 0; | |
6138 | else | |
6139 | CAM_INVALIDATE(config->config_table[0]); | |
6140 | config->config_table[0].target_table_entry.client_id = 0; | |
6141 | config->config_table[0].target_table_entry.vlan_id = 0; | |
6142 | ||
6143 | DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x)\n", | |
6144 | (set ? "setting" : "clearing"), | |
6145 | config->config_table[0].cam_entry.msb_mac_addr, | |
6146 | config->config_table[0].cam_entry.middle_mac_addr, | |
6147 | config->config_table[0].cam_entry.lsb_mac_addr); | |
6148 | ||
6149 | /* broadcast */ | |
6150 | config->config_table[1].cam_entry.msb_mac_addr = 0xffff; | |
6151 | config->config_table[1].cam_entry.middle_mac_addr = 0xffff; | |
6152 | config->config_table[1].cam_entry.lsb_mac_addr = 0xffff; | |
6153 | config->config_table[1].cam_entry.flags = cpu_to_le16(port); | |
6154 | if (set) | |
6155 | config->config_table[1].target_table_entry.flags = | |
6156 | TSTORM_CAM_TARGET_TABLE_ENTRY_BROADCAST; | |
6157 | else | |
6158 | CAM_INVALIDATE(config->config_table[1]); | |
6159 | config->config_table[1].target_table_entry.client_id = 0; | |
6160 | config->config_table[1].target_table_entry.vlan_id = 0; | |
6161 | ||
6162 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
6163 | U64_HI(bnx2x_sp_mapping(bp, mac_config)), | |
6164 | U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); | |
6165 | } | |
6166 | ||
6167 | static void bnx2x_set_mac_addr_e1h(struct bnx2x *bp, int set) | |
6168 | { | |
6169 | struct mac_configuration_cmd_e1h *config = | |
6170 | (struct mac_configuration_cmd_e1h *)bnx2x_sp(bp, mac_config); | |
6171 | ||
6172 | if (set && (bp->state != BNX2X_STATE_OPEN)) { | |
6173 | DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); | |
6174 | return; | |
6175 | } | |
6176 | ||
6177 | /* CAM allocation for E1H | |
6178 | * unicasts: by func number | |
6179 | * multicast: 20+FUNC*20, 20 each | |
6180 | */ | |
6181 | config->hdr.length_6b = 1; | |
6182 | config->hdr.offset = BP_FUNC(bp); | |
6183 | config->hdr.client_id = BP_CL_ID(bp); | |
6184 | config->hdr.reserved1 = 0; | |
6185 | ||
6186 | /* primary MAC */ | |
6187 | config->config_table[0].msb_mac_addr = | |
6188 | swab16(*(u16 *)&bp->dev->dev_addr[0]); | |
6189 | config->config_table[0].middle_mac_addr = | |
6190 | swab16(*(u16 *)&bp->dev->dev_addr[2]); | |
6191 | config->config_table[0].lsb_mac_addr = | |
6192 | swab16(*(u16 *)&bp->dev->dev_addr[4]); | |
6193 | config->config_table[0].client_id = BP_L_ID(bp); | |
6194 | config->config_table[0].vlan_id = 0; | |
6195 | config->config_table[0].e1hov_id = cpu_to_le16(bp->e1hov); | |
6196 | if (set) | |
6197 | config->config_table[0].flags = BP_PORT(bp); | |
6198 | else | |
6199 | config->config_table[0].flags = | |
6200 | MAC_CONFIGURATION_ENTRY_E1H_ACTION_TYPE; | |
6201 | ||
6202 | DP(NETIF_MSG_IFUP, "%s MAC (%04x:%04x:%04x) E1HOV %d CLID %d\n", | |
6203 | (set ? "setting" : "clearing"), | |
6204 | config->config_table[0].msb_mac_addr, | |
6205 | config->config_table[0].middle_mac_addr, | |
6206 | config->config_table[0].lsb_mac_addr, bp->e1hov, BP_L_ID(bp)); | |
6207 | ||
6208 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
6209 | U64_HI(bnx2x_sp_mapping(bp, mac_config)), | |
6210 | U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); | |
6211 | } | |
6212 | ||
6213 | static int bnx2x_wait_ramrod(struct bnx2x *bp, int state, int idx, | |
6214 | int *state_p, int poll) | |
6215 | { | |
6216 | /* can take a while if any port is running */ | |
6217 | int cnt = 500; | |
6218 | ||
6219 | DP(NETIF_MSG_IFUP, "%s for state to become %x on IDX [%d]\n", | |
6220 | poll ? "polling" : "waiting", state, idx); | |
6221 | ||
6222 | might_sleep(); | |
6223 | while (cnt--) { | |
6224 | if (poll) { | |
6225 | bnx2x_rx_int(bp->fp, 10); | |
6226 | /* if index is different from 0 | |
6227 | * the reply for some commands will | |
6228 | * be on the non default queue | |
6229 | */ | |
6230 | if (idx) | |
6231 | bnx2x_rx_int(&bp->fp[idx], 10); | |
6232 | } | |
6233 | ||
6234 | mb(); /* state is changed by bnx2x_sp_event() */ | |
6235 | if (*state_p == state) | |
6236 | return 0; | |
6237 | ||
6238 | msleep(1); | |
6239 | } | |
6240 | ||
6241 | /* timeout! */ | |
6242 | BNX2X_ERR("timeout %s for state %x on IDX [%d]\n", | |
6243 | poll ? "polling" : "waiting", state, idx); | |
6244 | #ifdef BNX2X_STOP_ON_ERROR | |
6245 | bnx2x_panic(); | |
6246 | #endif | |
6247 | ||
6248 | return -EBUSY; | |
6249 | } | |
6250 | ||
6251 | static int bnx2x_setup_leading(struct bnx2x *bp) | |
6252 | { | |
6253 | int rc; | |
6254 | ||
6255 | /* reset IGU state */ | |
6256 | bnx2x_ack_sb(bp, bp->fp[0].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
6257 | ||
6258 | /* SETUP ramrod */ | |
6259 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_SETUP, 0, 0, 0, 0); | |
6260 | ||
6261 | /* Wait for completion */ | |
6262 | rc = bnx2x_wait_ramrod(bp, BNX2X_STATE_OPEN, 0, &(bp->state), 0); | |
6263 | ||
6264 | return rc; | |
6265 | } | |
6266 | ||
6267 | static int bnx2x_setup_multi(struct bnx2x *bp, int index) | |
6268 | { | |
6269 | /* reset IGU state */ | |
6270 | bnx2x_ack_sb(bp, bp->fp[index].sb_id, CSTORM_ID, 0, IGU_INT_ENABLE, 0); | |
6271 | ||
6272 | /* SETUP ramrod */ | |
6273 | bp->fp[index].state = BNX2X_FP_STATE_OPENING; | |
6274 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CLIENT_SETUP, index, 0, index, 0); | |
6275 | ||
6276 | /* Wait for completion */ | |
6277 | return bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_OPEN, index, | |
6278 | &(bp->fp[index].state), 0); | |
6279 | } | |
6280 | ||
6281 | static int bnx2x_poll(struct napi_struct *napi, int budget); | |
6282 | static void bnx2x_set_rx_mode(struct net_device *dev); | |
6283 | ||
6284 | /* must be called with rtnl_lock */ | |
6285 | static int bnx2x_nic_load(struct bnx2x *bp, int load_mode) | |
6286 | { | |
6287 | u32 load_code; | |
6288 | int i, rc; | |
6289 | #ifdef BNX2X_STOP_ON_ERROR | |
6290 | if (unlikely(bp->panic)) | |
6291 | return -EPERM; | |
6292 | #endif | |
6293 | ||
6294 | bp->state = BNX2X_STATE_OPENING_WAIT4_LOAD; | |
6295 | ||
6296 | /* Send LOAD_REQUEST command to MCP | |
6297 | Returns the type of LOAD command: | |
6298 | if it is the first port to be initialized | |
6299 | common blocks should be initialized, otherwise - not | |
6300 | */ | |
6301 | if (!BP_NOMCP(bp)) { | |
6302 | load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_REQ); | |
6303 | if (!load_code) { | |
6304 | BNX2X_ERR("MCP response failure, aborting\n"); | |
6305 | return -EBUSY; | |
6306 | } | |
6307 | if (load_code == FW_MSG_CODE_DRV_LOAD_REFUSED) | |
6308 | return -EBUSY; /* other port in diagnostic mode */ | |
6309 | ||
6310 | } else { | |
6311 | int port = BP_PORT(bp); | |
6312 | ||
6313 | DP(NETIF_MSG_IFUP, "NO MCP load counts before us %d, %d, %d\n", | |
6314 | load_count[0], load_count[1], load_count[2]); | |
6315 | load_count[0]++; | |
6316 | load_count[1 + port]++; | |
6317 | DP(NETIF_MSG_IFUP, "NO MCP new load counts %d, %d, %d\n", | |
6318 | load_count[0], load_count[1], load_count[2]); | |
6319 | if (load_count[0] == 1) | |
6320 | load_code = FW_MSG_CODE_DRV_LOAD_COMMON; | |
6321 | else if (load_count[1 + port] == 1) | |
6322 | load_code = FW_MSG_CODE_DRV_LOAD_PORT; | |
6323 | else | |
6324 | load_code = FW_MSG_CODE_DRV_LOAD_FUNCTION; | |
6325 | } | |
6326 | ||
6327 | if ((load_code == FW_MSG_CODE_DRV_LOAD_COMMON) || | |
6328 | (load_code == FW_MSG_CODE_DRV_LOAD_PORT)) | |
6329 | bp->port.pmf = 1; | |
6330 | else | |
6331 | bp->port.pmf = 0; | |
6332 | DP(NETIF_MSG_LINK, "pmf %d\n", bp->port.pmf); | |
6333 | ||
6334 | /* if we can't use MSI-X we only need one fp, | |
6335 | * so try to enable MSI-X with the requested number of fp's | |
6336 | * and fallback to inta with one fp | |
6337 | */ | |
6338 | if (use_inta) { | |
6339 | bp->num_queues = 1; | |
6340 | ||
6341 | } else { | |
6342 | if ((use_multi > 1) && (use_multi <= BP_MAX_QUEUES(bp))) | |
6343 | /* user requested number */ | |
6344 | bp->num_queues = use_multi; | |
6345 | ||
6346 | else if (use_multi) | |
6347 | bp->num_queues = min_t(u32, num_online_cpus(), | |
6348 | BP_MAX_QUEUES(bp)); | |
6349 | else | |
6350 | bp->num_queues = 1; | |
6351 | ||
6352 | if (bnx2x_enable_msix(bp)) { | |
6353 | /* failed to enable MSI-X */ | |
6354 | bp->num_queues = 1; | |
6355 | if (use_multi) | |
6356 | BNX2X_ERR("Multi requested but failed" | |
6357 | " to enable MSI-X\n"); | |
6358 | } | |
6359 | } | |
6360 | DP(NETIF_MSG_IFUP, | |
6361 | "set number of queues to %d\n", bp->num_queues); | |
6362 | ||
6363 | if (bnx2x_alloc_mem(bp)) | |
6364 | return -ENOMEM; | |
6365 | ||
6366 | for_each_queue(bp, i) | |
6367 | bnx2x_fp(bp, i, disable_tpa) = | |
6368 | ((bp->flags & TPA_ENABLE_FLAG) == 0); | |
6369 | ||
6370 | if (bp->flags & USING_MSIX_FLAG) { | |
6371 | rc = bnx2x_req_msix_irqs(bp); | |
6372 | if (rc) { | |
6373 | pci_disable_msix(bp->pdev); | |
6374 | goto load_error; | |
6375 | } | |
6376 | } else { | |
6377 | bnx2x_ack_int(bp); | |
6378 | rc = bnx2x_req_irq(bp); | |
6379 | if (rc) { | |
6380 | BNX2X_ERR("IRQ request failed, aborting\n"); | |
6381 | goto load_error; | |
6382 | } | |
6383 | } | |
6384 | ||
6385 | for_each_queue(bp, i) | |
6386 | netif_napi_add(bp->dev, &bnx2x_fp(bp, i, napi), | |
6387 | bnx2x_poll, 128); | |
6388 | ||
6389 | /* Initialize HW */ | |
6390 | rc = bnx2x_init_hw(bp, load_code); | |
6391 | if (rc) { | |
6392 | BNX2X_ERR("HW init failed, aborting\n"); | |
6393 | goto load_int_disable; | |
6394 | } | |
6395 | ||
6396 | /* Setup NIC internals and enable interrupts */ | |
6397 | bnx2x_nic_init(bp, load_code); | |
6398 | ||
6399 | /* Send LOAD_DONE command to MCP */ | |
6400 | if (!BP_NOMCP(bp)) { | |
6401 | load_code = bnx2x_fw_command(bp, DRV_MSG_CODE_LOAD_DONE); | |
6402 | if (!load_code) { | |
6403 | BNX2X_ERR("MCP response failure, aborting\n"); | |
6404 | rc = -EBUSY; | |
6405 | goto load_rings_free; | |
6406 | } | |
6407 | } | |
6408 | ||
6409 | bnx2x_stats_init(bp); | |
6410 | ||
6411 | bp->state = BNX2X_STATE_OPENING_WAIT4_PORT; | |
6412 | ||
6413 | /* Enable Rx interrupt handling before sending the ramrod | |
6414 | as it's completed on Rx FP queue */ | |
6415 | bnx2x_napi_enable(bp); | |
6416 | ||
6417 | /* Enable interrupt handling */ | |
6418 | atomic_set(&bp->intr_sem, 0); | |
6419 | ||
6420 | rc = bnx2x_setup_leading(bp); | |
6421 | if (rc) { | |
6422 | BNX2X_ERR("Setup leading failed!\n"); | |
6423 | goto load_netif_stop; | |
6424 | } | |
6425 | ||
6426 | if (CHIP_IS_E1H(bp)) | |
6427 | if (bp->mf_config & FUNC_MF_CFG_FUNC_DISABLED) { | |
6428 | BNX2X_ERR("!!! mf_cfg function disabled\n"); | |
6429 | bp->state = BNX2X_STATE_DISABLED; | |
6430 | } | |
6431 | ||
6432 | if (bp->state == BNX2X_STATE_OPEN) | |
6433 | for_each_nondefault_queue(bp, i) { | |
6434 | rc = bnx2x_setup_multi(bp, i); | |
6435 | if (rc) | |
6436 | goto load_netif_stop; | |
6437 | } | |
6438 | ||
6439 | if (CHIP_IS_E1(bp)) | |
6440 | bnx2x_set_mac_addr_e1(bp, 1); | |
6441 | else | |
6442 | bnx2x_set_mac_addr_e1h(bp, 1); | |
6443 | ||
6444 | if (bp->port.pmf) | |
6445 | bnx2x_initial_phy_init(bp); | |
6446 | ||
6447 | /* Start fast path */ | |
6448 | switch (load_mode) { | |
6449 | case LOAD_NORMAL: | |
6450 | /* Tx queue should be only reenabled */ | |
6451 | netif_wake_queue(bp->dev); | |
6452 | bnx2x_set_rx_mode(bp->dev); | |
6453 | break; | |
6454 | ||
6455 | case LOAD_OPEN: | |
6456 | netif_start_queue(bp->dev); | |
6457 | bnx2x_set_rx_mode(bp->dev); | |
6458 | if (bp->flags & USING_MSIX_FLAG) | |
6459 | printk(KERN_INFO PFX "%s: using MSI-X\n", | |
6460 | bp->dev->name); | |
6461 | break; | |
6462 | ||
6463 | case LOAD_DIAG: | |
6464 | bnx2x_set_rx_mode(bp->dev); | |
6465 | bp->state = BNX2X_STATE_DIAG; | |
6466 | break; | |
6467 | ||
6468 | default: | |
6469 | break; | |
6470 | } | |
6471 | ||
6472 | if (!bp->port.pmf) | |
6473 | bnx2x__link_status_update(bp); | |
6474 | ||
6475 | /* start the timer */ | |
6476 | mod_timer(&bp->timer, jiffies + bp->current_interval); | |
6477 | ||
6478 | ||
6479 | return 0; | |
6480 | ||
6481 | load_netif_stop: | |
6482 | bnx2x_napi_disable(bp); | |
6483 | load_rings_free: | |
6484 | /* Free SKBs, SGEs, TPA pool and driver internals */ | |
6485 | bnx2x_free_skbs(bp); | |
6486 | for_each_queue(bp, i) | |
6487 | bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); | |
6488 | load_int_disable: | |
6489 | bnx2x_int_disable_sync(bp, 1); | |
6490 | /* Release IRQs */ | |
6491 | bnx2x_free_irq(bp); | |
6492 | load_error: | |
6493 | bnx2x_free_mem(bp); | |
6494 | bp->port.pmf = 0; | |
6495 | ||
6496 | /* TBD we really need to reset the chip | |
6497 | if we want to recover from this */ | |
6498 | return rc; | |
6499 | } | |
6500 | ||
6501 | static int bnx2x_stop_multi(struct bnx2x *bp, int index) | |
6502 | { | |
6503 | int rc; | |
6504 | ||
6505 | /* halt the connection */ | |
6506 | bp->fp[index].state = BNX2X_FP_STATE_HALTING; | |
6507 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, index, 0, index, 0); | |
6508 | ||
6509 | /* Wait for completion */ | |
6510 | rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, index, | |
6511 | &(bp->fp[index].state), 1); | |
6512 | if (rc) /* timeout */ | |
6513 | return rc; | |
6514 | ||
6515 | /* delete cfc entry */ | |
6516 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_CFC_DEL, index, 0, 0, 1); | |
6517 | ||
6518 | /* Wait for completion */ | |
6519 | rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_CLOSED, index, | |
6520 | &(bp->fp[index].state), 1); | |
6521 | return rc; | |
6522 | } | |
6523 | ||
6524 | static int bnx2x_stop_leading(struct bnx2x *bp) | |
6525 | { | |
6526 | u16 dsb_sp_prod_idx; | |
6527 | /* if the other port is handling traffic, | |
6528 | this can take a lot of time */ | |
6529 | int cnt = 500; | |
6530 | int rc; | |
6531 | ||
6532 | might_sleep(); | |
6533 | ||
6534 | /* Send HALT ramrod */ | |
6535 | bp->fp[0].state = BNX2X_FP_STATE_HALTING; | |
6536 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_HALT, 0, 0, BP_CL_ID(bp), 0); | |
6537 | ||
6538 | /* Wait for completion */ | |
6539 | rc = bnx2x_wait_ramrod(bp, BNX2X_FP_STATE_HALTED, 0, | |
6540 | &(bp->fp[0].state), 1); | |
6541 | if (rc) /* timeout */ | |
6542 | return rc; | |
6543 | ||
6544 | dsb_sp_prod_idx = *bp->dsb_sp_prod; | |
6545 | ||
6546 | /* Send PORT_DELETE ramrod */ | |
6547 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_PORT_DEL, 0, 0, 0, 1); | |
6548 | ||
6549 | /* Wait for completion to arrive on default status block | |
6550 | we are going to reset the chip anyway | |
6551 | so there is not much to do if this times out | |
6552 | */ | |
6553 | while (dsb_sp_prod_idx == *bp->dsb_sp_prod) { | |
6554 | if (!cnt) { | |
6555 | DP(NETIF_MSG_IFDOWN, "timeout waiting for port del " | |
6556 | "dsb_sp_prod 0x%x != dsb_sp_prod_idx 0x%x\n", | |
6557 | *bp->dsb_sp_prod, dsb_sp_prod_idx); | |
6558 | #ifdef BNX2X_STOP_ON_ERROR | |
6559 | bnx2x_panic(); | |
6560 | #else | |
6561 | rc = -EBUSY; | |
6562 | #endif | |
6563 | break; | |
6564 | } | |
6565 | cnt--; | |
6566 | msleep(1); | |
6567 | } | |
6568 | bp->state = BNX2X_STATE_CLOSING_WAIT4_UNLOAD; | |
6569 | bp->fp[0].state = BNX2X_FP_STATE_CLOSED; | |
6570 | ||
6571 | return rc; | |
6572 | } | |
6573 | ||
6574 | static void bnx2x_reset_func(struct bnx2x *bp) | |
6575 | { | |
6576 | int port = BP_PORT(bp); | |
6577 | int func = BP_FUNC(bp); | |
6578 | int base, i; | |
6579 | ||
6580 | /* Configure IGU */ | |
6581 | REG_WR(bp, HC_REG_LEADING_EDGE_0 + port*8, 0); | |
6582 | REG_WR(bp, HC_REG_TRAILING_EDGE_0 + port*8, 0); | |
6583 | ||
6584 | REG_WR(bp, HC_REG_CONFIG_0 + port*4, 0x1000); | |
6585 | ||
6586 | /* Clear ILT */ | |
6587 | base = FUNC_ILT_BASE(func); | |
6588 | for (i = base; i < base + ILT_PER_FUNC; i++) | |
6589 | bnx2x_ilt_wr(bp, i, 0); | |
6590 | } | |
6591 | ||
6592 | static void bnx2x_reset_port(struct bnx2x *bp) | |
6593 | { | |
6594 | int port = BP_PORT(bp); | |
6595 | u32 val; | |
6596 | ||
6597 | REG_WR(bp, NIG_REG_MASK_INTERRUPT_PORT0 + port*4, 0); | |
6598 | ||
6599 | /* Do not rcv packets to BRB */ | |
6600 | REG_WR(bp, NIG_REG_LLH0_BRB1_DRV_MASK + port*4, 0x0); | |
6601 | /* Do not direct rcv packets that are not for MCP to the BRB */ | |
6602 | REG_WR(bp, (port ? NIG_REG_LLH1_BRB1_NOT_MCP : | |
6603 | NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); | |
6604 | ||
6605 | /* Configure AEU */ | |
6606 | REG_WR(bp, MISC_REG_AEU_MASK_ATTN_FUNC_0 + port*4, 0); | |
6607 | ||
6608 | msleep(100); | |
6609 | /* Check for BRB port occupancy */ | |
6610 | val = REG_RD(bp, BRB1_REG_PORT_NUM_OCC_BLOCKS_0 + port*4); | |
6611 | if (val) | |
6612 | DP(NETIF_MSG_IFDOWN, | |
6613 | "BRB1 is not empty %d blocks are occupied\n", val); | |
6614 | ||
6615 | /* TODO: Close Doorbell port? */ | |
6616 | } | |
6617 | ||
6618 | static void bnx2x_reset_common(struct bnx2x *bp) | |
6619 | { | |
6620 | /* reset_common */ | |
6621 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
6622 | 0xd3ffff7f); | |
6623 | REG_WR(bp, GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, 0x1403); | |
6624 | } | |
6625 | ||
6626 | static void bnx2x_reset_chip(struct bnx2x *bp, u32 reset_code) | |
6627 | { | |
6628 | DP(BNX2X_MSG_MCP, "function %d reset_code %x\n", | |
6629 | BP_FUNC(bp), reset_code); | |
6630 | ||
6631 | switch (reset_code) { | |
6632 | case FW_MSG_CODE_DRV_UNLOAD_COMMON: | |
6633 | bnx2x_reset_port(bp); | |
6634 | bnx2x_reset_func(bp); | |
6635 | bnx2x_reset_common(bp); | |
6636 | break; | |
6637 | ||
6638 | case FW_MSG_CODE_DRV_UNLOAD_PORT: | |
6639 | bnx2x_reset_port(bp); | |
6640 | bnx2x_reset_func(bp); | |
6641 | break; | |
6642 | ||
6643 | case FW_MSG_CODE_DRV_UNLOAD_FUNCTION: | |
6644 | bnx2x_reset_func(bp); | |
6645 | break; | |
6646 | ||
6647 | default: | |
6648 | BNX2X_ERR("Unknown reset_code (0x%x) from MCP\n", reset_code); | |
6649 | break; | |
6650 | } | |
6651 | } | |
6652 | ||
6653 | /* must be called with rtnl_lock */ | |
6654 | static int bnx2x_nic_unload(struct bnx2x *bp, int unload_mode) | |
6655 | { | |
6656 | int port = BP_PORT(bp); | |
6657 | u32 reset_code = 0; | |
6658 | int i, cnt, rc; | |
6659 | ||
6660 | bp->state = BNX2X_STATE_CLOSING_WAIT4_HALT; | |
6661 | ||
6662 | bp->rx_mode = BNX2X_RX_MODE_NONE; | |
6663 | bnx2x_set_storm_rx_mode(bp); | |
6664 | ||
6665 | bnx2x_netif_stop(bp, 1); | |
6666 | if (!netif_running(bp->dev)) | |
6667 | bnx2x_napi_disable(bp); | |
6668 | del_timer_sync(&bp->timer); | |
6669 | SHMEM_WR(bp, func_mb[BP_FUNC(bp)].drv_pulse_mb, | |
6670 | (DRV_PULSE_ALWAYS_ALIVE | bp->fw_drv_pulse_wr_seq)); | |
6671 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
6672 | ||
6673 | /* Wait until tx fast path tasks complete */ | |
6674 | for_each_queue(bp, i) { | |
6675 | struct bnx2x_fastpath *fp = &bp->fp[i]; | |
6676 | ||
6677 | cnt = 1000; | |
6678 | smp_rmb(); | |
6679 | while (BNX2X_HAS_TX_WORK(fp)) { | |
6680 | ||
6681 | bnx2x_tx_int(fp, 1000); | |
6682 | if (!cnt) { | |
6683 | BNX2X_ERR("timeout waiting for queue[%d]\n", | |
6684 | i); | |
6685 | #ifdef BNX2X_STOP_ON_ERROR | |
6686 | bnx2x_panic(); | |
6687 | return -EBUSY; | |
6688 | #else | |
6689 | break; | |
6690 | #endif | |
6691 | } | |
6692 | cnt--; | |
6693 | msleep(1); | |
6694 | smp_rmb(); | |
6695 | } | |
6696 | } | |
6697 | /* Give HW time to discard old tx messages */ | |
6698 | msleep(1); | |
6699 | ||
6700 | /* Release IRQs */ | |
6701 | bnx2x_free_irq(bp); | |
6702 | ||
6703 | if (CHIP_IS_E1(bp)) { | |
6704 | struct mac_configuration_cmd *config = | |
6705 | bnx2x_sp(bp, mcast_config); | |
6706 | ||
6707 | bnx2x_set_mac_addr_e1(bp, 0); | |
6708 | ||
6709 | for (i = 0; i < config->hdr.length_6b; i++) | |
6710 | CAM_INVALIDATE(config->config_table[i]); | |
6711 | ||
6712 | config->hdr.length_6b = i; | |
6713 | if (CHIP_REV_IS_SLOW(bp)) | |
6714 | config->hdr.offset = BNX2X_MAX_EMUL_MULTI*(1 + port); | |
6715 | else | |
6716 | config->hdr.offset = BNX2X_MAX_MULTICAST*(1 + port); | |
6717 | config->hdr.client_id = BP_CL_ID(bp); | |
6718 | config->hdr.reserved1 = 0; | |
6719 | ||
6720 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
6721 | U64_HI(bnx2x_sp_mapping(bp, mcast_config)), | |
6722 | U64_LO(bnx2x_sp_mapping(bp, mcast_config)), 0); | |
6723 | ||
6724 | } else { /* E1H */ | |
6725 | REG_WR(bp, NIG_REG_LLH0_FUNC_EN + port*8, 0); | |
6726 | ||
6727 | bnx2x_set_mac_addr_e1h(bp, 0); | |
6728 | ||
6729 | for (i = 0; i < MC_HASH_SIZE; i++) | |
6730 | REG_WR(bp, MC_HASH_OFFSET(bp, i), 0); | |
6731 | } | |
6732 | ||
6733 | if (unload_mode == UNLOAD_NORMAL) | |
6734 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
6735 | ||
6736 | else if (bp->flags & NO_WOL_FLAG) { | |
6737 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_MCP; | |
6738 | if (CHIP_IS_E1H(bp)) | |
6739 | REG_WR(bp, MISC_REG_E1HMF_MODE, 0); | |
6740 | ||
6741 | } else if (bp->wol) { | |
6742 | u32 emac_base = port ? GRCBASE_EMAC1 : GRCBASE_EMAC0; | |
6743 | u8 *mac_addr = bp->dev->dev_addr; | |
6744 | u32 val; | |
6745 | /* The mac address is written to entries 1-4 to | |
6746 | preserve entry 0 which is used by the PMF */ | |
6747 | u8 entry = (BP_E1HVN(bp) + 1)*8; | |
6748 | ||
6749 | val = (mac_addr[0] << 8) | mac_addr[1]; | |
6750 | EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry, val); | |
6751 | ||
6752 | val = (mac_addr[2] << 24) | (mac_addr[3] << 16) | | |
6753 | (mac_addr[4] << 8) | mac_addr[5]; | |
6754 | EMAC_WR(bp, EMAC_REG_EMAC_MAC_MATCH + entry + 4, val); | |
6755 | ||
6756 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_EN; | |
6757 | ||
6758 | } else | |
6759 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
6760 | ||
6761 | /* Close multi and leading connections | |
6762 | Completions for ramrods are collected in a synchronous way */ | |
6763 | for_each_nondefault_queue(bp, i) | |
6764 | if (bnx2x_stop_multi(bp, i)) | |
6765 | goto unload_error; | |
6766 | ||
6767 | rc = bnx2x_stop_leading(bp); | |
6768 | if (rc) { | |
6769 | BNX2X_ERR("Stop leading failed!\n"); | |
6770 | #ifdef BNX2X_STOP_ON_ERROR | |
6771 | return -EBUSY; | |
6772 | #else | |
6773 | goto unload_error; | |
6774 | #endif | |
6775 | } | |
6776 | ||
6777 | unload_error: | |
6778 | if (!BP_NOMCP(bp)) | |
6779 | reset_code = bnx2x_fw_command(bp, reset_code); | |
6780 | else { | |
6781 | DP(NETIF_MSG_IFDOWN, "NO MCP load counts %d, %d, %d\n", | |
6782 | load_count[0], load_count[1], load_count[2]); | |
6783 | load_count[0]--; | |
6784 | load_count[1 + port]--; | |
6785 | DP(NETIF_MSG_IFDOWN, "NO MCP new load counts %d, %d, %d\n", | |
6786 | load_count[0], load_count[1], load_count[2]); | |
6787 | if (load_count[0] == 0) | |
6788 | reset_code = FW_MSG_CODE_DRV_UNLOAD_COMMON; | |
6789 | else if (load_count[1 + port] == 0) | |
6790 | reset_code = FW_MSG_CODE_DRV_UNLOAD_PORT; | |
6791 | else | |
6792 | reset_code = FW_MSG_CODE_DRV_UNLOAD_FUNCTION; | |
6793 | } | |
6794 | ||
6795 | if ((reset_code == FW_MSG_CODE_DRV_UNLOAD_COMMON) || | |
6796 | (reset_code == FW_MSG_CODE_DRV_UNLOAD_PORT)) | |
6797 | bnx2x__link_reset(bp); | |
6798 | ||
6799 | /* Reset the chip */ | |
6800 | bnx2x_reset_chip(bp, reset_code); | |
6801 | ||
6802 | /* Report UNLOAD_DONE to MCP */ | |
6803 | if (!BP_NOMCP(bp)) | |
6804 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
6805 | bp->port.pmf = 0; | |
6806 | ||
6807 | /* Free SKBs, SGEs, TPA pool and driver internals */ | |
6808 | bnx2x_free_skbs(bp); | |
6809 | for_each_queue(bp, i) | |
6810 | bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); | |
6811 | bnx2x_free_mem(bp); | |
6812 | ||
6813 | bp->state = BNX2X_STATE_CLOSED; | |
6814 | ||
6815 | netif_carrier_off(bp->dev); | |
6816 | ||
6817 | return 0; | |
6818 | } | |
6819 | ||
6820 | static void bnx2x_reset_task(struct work_struct *work) | |
6821 | { | |
6822 | struct bnx2x *bp = container_of(work, struct bnx2x, reset_task); | |
6823 | ||
6824 | #ifdef BNX2X_STOP_ON_ERROR | |
6825 | BNX2X_ERR("reset task called but STOP_ON_ERROR defined" | |
6826 | " so reset not done to allow debug dump,\n" | |
6827 | KERN_ERR " you will need to reboot when done\n"); | |
6828 | return; | |
6829 | #endif | |
6830 | ||
6831 | rtnl_lock(); | |
6832 | ||
6833 | if (!netif_running(bp->dev)) | |
6834 | goto reset_task_exit; | |
6835 | ||
6836 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
6837 | bnx2x_nic_load(bp, LOAD_NORMAL); | |
6838 | ||
6839 | reset_task_exit: | |
6840 | rtnl_unlock(); | |
6841 | } | |
6842 | ||
6843 | /* end of nic load/unload */ | |
6844 | ||
6845 | /* ethtool_ops */ | |
6846 | ||
6847 | /* | |
6848 | * Init service functions | |
6849 | */ | |
6850 | ||
6851 | static void __devinit bnx2x_undi_unload(struct bnx2x *bp) | |
6852 | { | |
6853 | u32 val; | |
6854 | ||
6855 | /* Check if there is any driver already loaded */ | |
6856 | val = REG_RD(bp, MISC_REG_UNPREPARED); | |
6857 | if (val == 0x1) { | |
6858 | /* Check if it is the UNDI driver | |
6859 | * UNDI driver initializes CID offset for normal bell to 0x7 | |
6860 | */ | |
6861 | bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); | |
6862 | val = REG_RD(bp, DORQ_REG_NORM_CID_OFST); | |
6863 | if (val == 0x7) | |
6864 | REG_WR(bp, DORQ_REG_NORM_CID_OFST, 0); | |
6865 | bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_UNDI); | |
6866 | ||
6867 | if (val == 0x7) { | |
6868 | u32 reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
6869 | /* save our func */ | |
6870 | int func = BP_FUNC(bp); | |
6871 | u32 swap_en; | |
6872 | u32 swap_val; | |
6873 | ||
6874 | BNX2X_DEV_INFO("UNDI is active! reset device\n"); | |
6875 | ||
6876 | /* try unload UNDI on port 0 */ | |
6877 | bp->func = 0; | |
6878 | bp->fw_seq = | |
6879 | (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & | |
6880 | DRV_MSG_SEQ_NUMBER_MASK); | |
6881 | reset_code = bnx2x_fw_command(bp, reset_code); | |
6882 | ||
6883 | /* if UNDI is loaded on the other port */ | |
6884 | if (reset_code != FW_MSG_CODE_DRV_UNLOAD_COMMON) { | |
6885 | ||
6886 | /* send "DONE" for previous unload */ | |
6887 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
6888 | ||
6889 | /* unload UNDI on port 1 */ | |
6890 | bp->func = 1; | |
6891 | bp->fw_seq = | |
6892 | (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & | |
6893 | DRV_MSG_SEQ_NUMBER_MASK); | |
6894 | reset_code = DRV_MSG_CODE_UNLOAD_REQ_WOL_DIS; | |
6895 | ||
6896 | bnx2x_fw_command(bp, reset_code); | |
6897 | } | |
6898 | ||
6899 | REG_WR(bp, (BP_PORT(bp) ? HC_REG_CONFIG_1 : | |
6900 | HC_REG_CONFIG_0), 0x1000); | |
6901 | ||
6902 | /* close input traffic and wait for it */ | |
6903 | /* Do not rcv packets to BRB */ | |
6904 | REG_WR(bp, | |
6905 | (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_DRV_MASK : | |
6906 | NIG_REG_LLH0_BRB1_DRV_MASK), 0x0); | |
6907 | /* Do not direct rcv packets that are not for MCP to | |
6908 | * the BRB */ | |
6909 | REG_WR(bp, | |
6910 | (BP_PORT(bp) ? NIG_REG_LLH1_BRB1_NOT_MCP : | |
6911 | NIG_REG_LLH0_BRB1_NOT_MCP), 0x0); | |
6912 | /* clear AEU */ | |
6913 | REG_WR(bp, | |
6914 | (BP_PORT(bp) ? MISC_REG_AEU_MASK_ATTN_FUNC_1 : | |
6915 | MISC_REG_AEU_MASK_ATTN_FUNC_0), 0); | |
6916 | msleep(10); | |
6917 | ||
6918 | /* save NIG port swap info */ | |
6919 | swap_val = REG_RD(bp, NIG_REG_PORT_SWAP); | |
6920 | swap_en = REG_RD(bp, NIG_REG_STRAP_OVERRIDE); | |
6921 | /* reset device */ | |
6922 | REG_WR(bp, | |
6923 | GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_CLEAR, | |
6924 | 0xd3ffffff); | |
6925 | REG_WR(bp, | |
6926 | GRCBASE_MISC + MISC_REGISTERS_RESET_REG_2_CLEAR, | |
6927 | 0x1403); | |
6928 | /* take the NIG out of reset and restore swap values */ | |
6929 | REG_WR(bp, | |
6930 | GRCBASE_MISC + MISC_REGISTERS_RESET_REG_1_SET, | |
6931 | MISC_REGISTERS_RESET_REG_1_RST_NIG); | |
6932 | REG_WR(bp, NIG_REG_PORT_SWAP, swap_val); | |
6933 | REG_WR(bp, NIG_REG_STRAP_OVERRIDE, swap_en); | |
6934 | ||
6935 | /* send unload done to the MCP */ | |
6936 | bnx2x_fw_command(bp, DRV_MSG_CODE_UNLOAD_DONE); | |
6937 | ||
6938 | /* restore our func and fw_seq */ | |
6939 | bp->func = func; | |
6940 | bp->fw_seq = | |
6941 | (SHMEM_RD(bp, func_mb[bp->func].drv_mb_header) & | |
6942 | DRV_MSG_SEQ_NUMBER_MASK); | |
6943 | } | |
6944 | } | |
6945 | } | |
6946 | ||
6947 | static void __devinit bnx2x_get_common_hwinfo(struct bnx2x *bp) | |
6948 | { | |
6949 | u32 val, val2, val3, val4, id; | |
6950 | u16 pmc; | |
6951 | ||
6952 | /* Get the chip revision id and number. */ | |
6953 | /* chip num:16-31, rev:12-15, metal:4-11, bond_id:0-3 */ | |
6954 | val = REG_RD(bp, MISC_REG_CHIP_NUM); | |
6955 | id = ((val & 0xffff) << 16); | |
6956 | val = REG_RD(bp, MISC_REG_CHIP_REV); | |
6957 | id |= ((val & 0xf) << 12); | |
6958 | val = REG_RD(bp, MISC_REG_CHIP_METAL); | |
6959 | id |= ((val & 0xff) << 4); | |
6960 | REG_RD(bp, MISC_REG_BOND_ID); | |
6961 | id |= (val & 0xf); | |
6962 | bp->common.chip_id = id; | |
6963 | bp->link_params.chip_id = bp->common.chip_id; | |
6964 | BNX2X_DEV_INFO("chip ID is 0x%x\n", id); | |
6965 | ||
6966 | val = REG_RD(bp, MCP_REG_MCPR_NVM_CFG4); | |
6967 | bp->common.flash_size = (NVRAM_1MB_SIZE << | |
6968 | (val & MCPR_NVM_CFG4_FLASH_SIZE)); | |
6969 | BNX2X_DEV_INFO("flash_size 0x%x (%d)\n", | |
6970 | bp->common.flash_size, bp->common.flash_size); | |
6971 | ||
6972 | bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); | |
6973 | bp->link_params.shmem_base = bp->common.shmem_base; | |
6974 | BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base); | |
6975 | ||
6976 | if (!bp->common.shmem_base || | |
6977 | (bp->common.shmem_base < 0xA0000) || | |
6978 | (bp->common.shmem_base >= 0xC0000)) { | |
6979 | BNX2X_DEV_INFO("MCP not active\n"); | |
6980 | bp->flags |= NO_MCP_FLAG; | |
6981 | return; | |
6982 | } | |
6983 | ||
6984 | val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]); | |
6985 | if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
6986 | != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
6987 | BNX2X_ERR("BAD MCP validity signature\n"); | |
6988 | ||
6989 | bp->common.hw_config = SHMEM_RD(bp, dev_info.shared_hw_config.config); | |
6990 | bp->common.board = SHMEM_RD(bp, dev_info.shared_hw_config.board); | |
6991 | ||
6992 | BNX2X_DEV_INFO("hw_config 0x%08x board 0x%08x\n", | |
6993 | bp->common.hw_config, bp->common.board); | |
6994 | ||
6995 | bp->link_params.hw_led_mode = ((bp->common.hw_config & | |
6996 | SHARED_HW_CFG_LED_MODE_MASK) >> | |
6997 | SHARED_HW_CFG_LED_MODE_SHIFT); | |
6998 | ||
6999 | val = SHMEM_RD(bp, dev_info.bc_rev) >> 8; | |
7000 | bp->common.bc_ver = val; | |
7001 | BNX2X_DEV_INFO("bc_ver %X\n", val); | |
7002 | if (val < BNX2X_BC_VER) { | |
7003 | /* for now only warn | |
7004 | * later we might need to enforce this */ | |
7005 | BNX2X_ERR("This driver needs bc_ver %X but found %X," | |
7006 | " please upgrade BC\n", BNX2X_BC_VER, val); | |
7007 | } | |
7008 | ||
7009 | if (BP_E1HVN(bp) == 0) { | |
7010 | pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_PMC, &pmc); | |
7011 | bp->flags |= (pmc & PCI_PM_CAP_PME_D3cold) ? 0 : NO_WOL_FLAG; | |
7012 | } else { | |
7013 | /* no WOL capability for E1HVN != 0 */ | |
7014 | bp->flags |= NO_WOL_FLAG; | |
7015 | } | |
7016 | BNX2X_DEV_INFO("%sWoL capable\n", | |
7017 | (bp->flags & NO_WOL_FLAG) ? "Not " : ""); | |
7018 | ||
7019 | val = SHMEM_RD(bp, dev_info.shared_hw_config.part_num); | |
7020 | val2 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[4]); | |
7021 | val3 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[8]); | |
7022 | val4 = SHMEM_RD(bp, dev_info.shared_hw_config.part_num[12]); | |
7023 | ||
7024 | printk(KERN_INFO PFX "part number %X-%X-%X-%X\n", | |
7025 | val, val2, val3, val4); | |
7026 | } | |
7027 | ||
7028 | static void __devinit bnx2x_link_settings_supported(struct bnx2x *bp, | |
7029 | u32 switch_cfg) | |
7030 | { | |
7031 | int port = BP_PORT(bp); | |
7032 | u32 ext_phy_type; | |
7033 | ||
7034 | switch (switch_cfg) { | |
7035 | case SWITCH_CFG_1G: | |
7036 | BNX2X_DEV_INFO("switch_cfg 0x%x (1G)\n", switch_cfg); | |
7037 | ||
7038 | ext_phy_type = | |
7039 | SERDES_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
7040 | switch (ext_phy_type) { | |
7041 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_DIRECT: | |
7042 | BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", | |
7043 | ext_phy_type); | |
7044 | ||
7045 | bp->port.supported |= (SUPPORTED_10baseT_Half | | |
7046 | SUPPORTED_10baseT_Full | | |
7047 | SUPPORTED_100baseT_Half | | |
7048 | SUPPORTED_100baseT_Full | | |
7049 | SUPPORTED_1000baseT_Full | | |
7050 | SUPPORTED_2500baseX_Full | | |
7051 | SUPPORTED_TP | | |
7052 | SUPPORTED_FIBRE | | |
7053 | SUPPORTED_Autoneg | | |
7054 | SUPPORTED_Pause | | |
7055 | SUPPORTED_Asym_Pause); | |
7056 | break; | |
7057 | ||
7058 | case PORT_HW_CFG_SERDES_EXT_PHY_TYPE_BCM5482: | |
7059 | BNX2X_DEV_INFO("ext_phy_type 0x%x (5482)\n", | |
7060 | ext_phy_type); | |
7061 | ||
7062 | bp->port.supported |= (SUPPORTED_10baseT_Half | | |
7063 | SUPPORTED_10baseT_Full | | |
7064 | SUPPORTED_100baseT_Half | | |
7065 | SUPPORTED_100baseT_Full | | |
7066 | SUPPORTED_1000baseT_Full | | |
7067 | SUPPORTED_TP | | |
7068 | SUPPORTED_FIBRE | | |
7069 | SUPPORTED_Autoneg | | |
7070 | SUPPORTED_Pause | | |
7071 | SUPPORTED_Asym_Pause); | |
7072 | break; | |
7073 | ||
7074 | default: | |
7075 | BNX2X_ERR("NVRAM config error. " | |
7076 | "BAD SerDes ext_phy_config 0x%x\n", | |
7077 | bp->link_params.ext_phy_config); | |
7078 | return; | |
7079 | } | |
7080 | ||
7081 | bp->port.phy_addr = REG_RD(bp, NIG_REG_SERDES0_CTRL_PHY_ADDR + | |
7082 | port*0x10); | |
7083 | BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr); | |
7084 | break; | |
7085 | ||
7086 | case SWITCH_CFG_10G: | |
7087 | BNX2X_DEV_INFO("switch_cfg 0x%x (10G)\n", switch_cfg); | |
7088 | ||
7089 | ext_phy_type = | |
7090 | XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
7091 | switch (ext_phy_type) { | |
7092 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
7093 | BNX2X_DEV_INFO("ext_phy_type 0x%x (Direct)\n", | |
7094 | ext_phy_type); | |
7095 | ||
7096 | bp->port.supported |= (SUPPORTED_10baseT_Half | | |
7097 | SUPPORTED_10baseT_Full | | |
7098 | SUPPORTED_100baseT_Half | | |
7099 | SUPPORTED_100baseT_Full | | |
7100 | SUPPORTED_1000baseT_Full | | |
7101 | SUPPORTED_2500baseX_Full | | |
7102 | SUPPORTED_10000baseT_Full | | |
7103 | SUPPORTED_TP | | |
7104 | SUPPORTED_FIBRE | | |
7105 | SUPPORTED_Autoneg | | |
7106 | SUPPORTED_Pause | | |
7107 | SUPPORTED_Asym_Pause); | |
7108 | break; | |
7109 | ||
7110 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
7111 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8705)\n", | |
7112 | ext_phy_type); | |
7113 | ||
7114 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
7115 | SUPPORTED_FIBRE | | |
7116 | SUPPORTED_Pause | | |
7117 | SUPPORTED_Asym_Pause); | |
7118 | break; | |
7119 | ||
7120 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
7121 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8706)\n", | |
7122 | ext_phy_type); | |
7123 | ||
7124 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
7125 | SUPPORTED_1000baseT_Full | | |
7126 | SUPPORTED_FIBRE | | |
7127 | SUPPORTED_Pause | | |
7128 | SUPPORTED_Asym_Pause); | |
7129 | break; | |
7130 | ||
7131 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
7132 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8072)\n", | |
7133 | ext_phy_type); | |
7134 | ||
7135 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
7136 | SUPPORTED_1000baseT_Full | | |
7137 | SUPPORTED_FIBRE | | |
7138 | SUPPORTED_Autoneg | | |
7139 | SUPPORTED_Pause | | |
7140 | SUPPORTED_Asym_Pause); | |
7141 | break; | |
7142 | ||
7143 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: | |
7144 | BNX2X_DEV_INFO("ext_phy_type 0x%x (8073)\n", | |
7145 | ext_phy_type); | |
7146 | ||
7147 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
7148 | SUPPORTED_2500baseX_Full | | |
7149 | SUPPORTED_1000baseT_Full | | |
7150 | SUPPORTED_FIBRE | | |
7151 | SUPPORTED_Autoneg | | |
7152 | SUPPORTED_Pause | | |
7153 | SUPPORTED_Asym_Pause); | |
7154 | break; | |
7155 | ||
7156 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
7157 | BNX2X_DEV_INFO("ext_phy_type 0x%x (SFX7101)\n", | |
7158 | ext_phy_type); | |
7159 | ||
7160 | bp->port.supported |= (SUPPORTED_10000baseT_Full | | |
7161 | SUPPORTED_TP | | |
7162 | SUPPORTED_Autoneg | | |
7163 | SUPPORTED_Pause | | |
7164 | SUPPORTED_Asym_Pause); | |
7165 | break; | |
7166 | ||
7167 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: | |
7168 | BNX2X_ERR("XGXS PHY Failure detected 0x%x\n", | |
7169 | bp->link_params.ext_phy_config); | |
7170 | break; | |
7171 | ||
7172 | default: | |
7173 | BNX2X_ERR("NVRAM config error. " | |
7174 | "BAD XGXS ext_phy_config 0x%x\n", | |
7175 | bp->link_params.ext_phy_config); | |
7176 | return; | |
7177 | } | |
7178 | ||
7179 | bp->port.phy_addr = REG_RD(bp, NIG_REG_XGXS0_CTRL_PHY_ADDR + | |
7180 | port*0x18); | |
7181 | BNX2X_DEV_INFO("phy_addr 0x%x\n", bp->port.phy_addr); | |
7182 | ||
7183 | break; | |
7184 | ||
7185 | default: | |
7186 | BNX2X_ERR("BAD switch_cfg link_config 0x%x\n", | |
7187 | bp->port.link_config); | |
7188 | return; | |
7189 | } | |
7190 | bp->link_params.phy_addr = bp->port.phy_addr; | |
7191 | ||
7192 | /* mask what we support according to speed_cap_mask */ | |
7193 | if (!(bp->link_params.speed_cap_mask & | |
7194 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF)) | |
7195 | bp->port.supported &= ~SUPPORTED_10baseT_Half; | |
7196 | ||
7197 | if (!(bp->link_params.speed_cap_mask & | |
7198 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL)) | |
7199 | bp->port.supported &= ~SUPPORTED_10baseT_Full; | |
7200 | ||
7201 | if (!(bp->link_params.speed_cap_mask & | |
7202 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF)) | |
7203 | bp->port.supported &= ~SUPPORTED_100baseT_Half; | |
7204 | ||
7205 | if (!(bp->link_params.speed_cap_mask & | |
7206 | PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL)) | |
7207 | bp->port.supported &= ~SUPPORTED_100baseT_Full; | |
7208 | ||
7209 | if (!(bp->link_params.speed_cap_mask & | |
7210 | PORT_HW_CFG_SPEED_CAPABILITY_D0_1G)) | |
7211 | bp->port.supported &= ~(SUPPORTED_1000baseT_Half | | |
7212 | SUPPORTED_1000baseT_Full); | |
7213 | ||
7214 | if (!(bp->link_params.speed_cap_mask & | |
7215 | PORT_HW_CFG_SPEED_CAPABILITY_D0_2_5G)) | |
7216 | bp->port.supported &= ~SUPPORTED_2500baseX_Full; | |
7217 | ||
7218 | if (!(bp->link_params.speed_cap_mask & | |
7219 | PORT_HW_CFG_SPEED_CAPABILITY_D0_10G)) | |
7220 | bp->port.supported &= ~SUPPORTED_10000baseT_Full; | |
7221 | ||
7222 | BNX2X_DEV_INFO("supported 0x%x\n", bp->port.supported); | |
7223 | } | |
7224 | ||
7225 | static void __devinit bnx2x_link_settings_requested(struct bnx2x *bp) | |
7226 | { | |
7227 | bp->link_params.req_duplex = DUPLEX_FULL; | |
7228 | ||
7229 | switch (bp->port.link_config & PORT_FEATURE_LINK_SPEED_MASK) { | |
7230 | case PORT_FEATURE_LINK_SPEED_AUTO: | |
7231 | if (bp->port.supported & SUPPORTED_Autoneg) { | |
7232 | bp->link_params.req_line_speed = SPEED_AUTO_NEG; | |
7233 | bp->port.advertising = bp->port.supported; | |
7234 | } else { | |
7235 | u32 ext_phy_type = | |
7236 | XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
7237 | ||
7238 | if ((ext_phy_type == | |
7239 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705) || | |
7240 | (ext_phy_type == | |
7241 | PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706)) { | |
7242 | /* force 10G, no AN */ | |
7243 | bp->link_params.req_line_speed = SPEED_10000; | |
7244 | bp->port.advertising = | |
7245 | (ADVERTISED_10000baseT_Full | | |
7246 | ADVERTISED_FIBRE); | |
7247 | break; | |
7248 | } | |
7249 | BNX2X_ERR("NVRAM config error. " | |
7250 | "Invalid link_config 0x%x" | |
7251 | " Autoneg not supported\n", | |
7252 | bp->port.link_config); | |
7253 | return; | |
7254 | } | |
7255 | break; | |
7256 | ||
7257 | case PORT_FEATURE_LINK_SPEED_10M_FULL: | |
7258 | if (bp->port.supported & SUPPORTED_10baseT_Full) { | |
7259 | bp->link_params.req_line_speed = SPEED_10; | |
7260 | bp->port.advertising = (ADVERTISED_10baseT_Full | | |
7261 | ADVERTISED_TP); | |
7262 | } else { | |
7263 | BNX2X_ERR("NVRAM config error. " | |
7264 | "Invalid link_config 0x%x" | |
7265 | " speed_cap_mask 0x%x\n", | |
7266 | bp->port.link_config, | |
7267 | bp->link_params.speed_cap_mask); | |
7268 | return; | |
7269 | } | |
7270 | break; | |
7271 | ||
7272 | case PORT_FEATURE_LINK_SPEED_10M_HALF: | |
7273 | if (bp->port.supported & SUPPORTED_10baseT_Half) { | |
7274 | bp->link_params.req_line_speed = SPEED_10; | |
7275 | bp->link_params.req_duplex = DUPLEX_HALF; | |
7276 | bp->port.advertising = (ADVERTISED_10baseT_Half | | |
7277 | ADVERTISED_TP); | |
7278 | } else { | |
7279 | BNX2X_ERR("NVRAM config error. " | |
7280 | "Invalid link_config 0x%x" | |
7281 | " speed_cap_mask 0x%x\n", | |
7282 | bp->port.link_config, | |
7283 | bp->link_params.speed_cap_mask); | |
7284 | return; | |
7285 | } | |
7286 | break; | |
7287 | ||
7288 | case PORT_FEATURE_LINK_SPEED_100M_FULL: | |
7289 | if (bp->port.supported & SUPPORTED_100baseT_Full) { | |
7290 | bp->link_params.req_line_speed = SPEED_100; | |
7291 | bp->port.advertising = (ADVERTISED_100baseT_Full | | |
7292 | ADVERTISED_TP); | |
7293 | } else { | |
7294 | BNX2X_ERR("NVRAM config error. " | |
7295 | "Invalid link_config 0x%x" | |
7296 | " speed_cap_mask 0x%x\n", | |
7297 | bp->port.link_config, | |
7298 | bp->link_params.speed_cap_mask); | |
7299 | return; | |
7300 | } | |
7301 | break; | |
7302 | ||
7303 | case PORT_FEATURE_LINK_SPEED_100M_HALF: | |
7304 | if (bp->port.supported & SUPPORTED_100baseT_Half) { | |
7305 | bp->link_params.req_line_speed = SPEED_100; | |
7306 | bp->link_params.req_duplex = DUPLEX_HALF; | |
7307 | bp->port.advertising = (ADVERTISED_100baseT_Half | | |
7308 | ADVERTISED_TP); | |
7309 | } else { | |
7310 | BNX2X_ERR("NVRAM config error. " | |
7311 | "Invalid link_config 0x%x" | |
7312 | " speed_cap_mask 0x%x\n", | |
7313 | bp->port.link_config, | |
7314 | bp->link_params.speed_cap_mask); | |
7315 | return; | |
7316 | } | |
7317 | break; | |
7318 | ||
7319 | case PORT_FEATURE_LINK_SPEED_1G: | |
7320 | if (bp->port.supported & SUPPORTED_1000baseT_Full) { | |
7321 | bp->link_params.req_line_speed = SPEED_1000; | |
7322 | bp->port.advertising = (ADVERTISED_1000baseT_Full | | |
7323 | ADVERTISED_TP); | |
7324 | } else { | |
7325 | BNX2X_ERR("NVRAM config error. " | |
7326 | "Invalid link_config 0x%x" | |
7327 | " speed_cap_mask 0x%x\n", | |
7328 | bp->port.link_config, | |
7329 | bp->link_params.speed_cap_mask); | |
7330 | return; | |
7331 | } | |
7332 | break; | |
7333 | ||
7334 | case PORT_FEATURE_LINK_SPEED_2_5G: | |
7335 | if (bp->port.supported & SUPPORTED_2500baseX_Full) { | |
7336 | bp->link_params.req_line_speed = SPEED_2500; | |
7337 | bp->port.advertising = (ADVERTISED_2500baseX_Full | | |
7338 | ADVERTISED_TP); | |
7339 | } else { | |
7340 | BNX2X_ERR("NVRAM config error. " | |
7341 | "Invalid link_config 0x%x" | |
7342 | " speed_cap_mask 0x%x\n", | |
7343 | bp->port.link_config, | |
7344 | bp->link_params.speed_cap_mask); | |
7345 | return; | |
7346 | } | |
7347 | break; | |
7348 | ||
7349 | case PORT_FEATURE_LINK_SPEED_10G_CX4: | |
7350 | case PORT_FEATURE_LINK_SPEED_10G_KX4: | |
7351 | case PORT_FEATURE_LINK_SPEED_10G_KR: | |
7352 | if (bp->port.supported & SUPPORTED_10000baseT_Full) { | |
7353 | bp->link_params.req_line_speed = SPEED_10000; | |
7354 | bp->port.advertising = (ADVERTISED_10000baseT_Full | | |
7355 | ADVERTISED_FIBRE); | |
7356 | } else { | |
7357 | BNX2X_ERR("NVRAM config error. " | |
7358 | "Invalid link_config 0x%x" | |
7359 | " speed_cap_mask 0x%x\n", | |
7360 | bp->port.link_config, | |
7361 | bp->link_params.speed_cap_mask); | |
7362 | return; | |
7363 | } | |
7364 | break; | |
7365 | ||
7366 | default: | |
7367 | BNX2X_ERR("NVRAM config error. " | |
7368 | "BAD link speed link_config 0x%x\n", | |
7369 | bp->port.link_config); | |
7370 | bp->link_params.req_line_speed = SPEED_AUTO_NEG; | |
7371 | bp->port.advertising = bp->port.supported; | |
7372 | break; | |
7373 | } | |
7374 | ||
7375 | bp->link_params.req_flow_ctrl = (bp->port.link_config & | |
7376 | PORT_FEATURE_FLOW_CONTROL_MASK); | |
7377 | if ((bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) && | |
7378 | !(bp->port.supported & SUPPORTED_Autoneg)) | |
7379 | bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
7380 | ||
7381 | BNX2X_DEV_INFO("req_line_speed %d req_duplex %d req_flow_ctrl 0x%x" | |
7382 | " advertising 0x%x\n", | |
7383 | bp->link_params.req_line_speed, | |
7384 | bp->link_params.req_duplex, | |
7385 | bp->link_params.req_flow_ctrl, bp->port.advertising); | |
7386 | } | |
7387 | ||
7388 | static void __devinit bnx2x_get_port_hwinfo(struct bnx2x *bp) | |
7389 | { | |
7390 | int port = BP_PORT(bp); | |
7391 | u32 val, val2; | |
7392 | ||
7393 | bp->link_params.bp = bp; | |
7394 | bp->link_params.port = port; | |
7395 | ||
7396 | bp->link_params.serdes_config = | |
7397 | SHMEM_RD(bp, dev_info.port_hw_config[port].serdes_config); | |
7398 | bp->link_params.lane_config = | |
7399 | SHMEM_RD(bp, dev_info.port_hw_config[port].lane_config); | |
7400 | bp->link_params.ext_phy_config = | |
7401 | SHMEM_RD(bp, | |
7402 | dev_info.port_hw_config[port].external_phy_config); | |
7403 | bp->link_params.speed_cap_mask = | |
7404 | SHMEM_RD(bp, | |
7405 | dev_info.port_hw_config[port].speed_capability_mask); | |
7406 | ||
7407 | bp->port.link_config = | |
7408 | SHMEM_RD(bp, dev_info.port_feature_config[port].link_config); | |
7409 | ||
7410 | BNX2X_DEV_INFO("serdes_config 0x%08x lane_config 0x%08x\n" | |
7411 | KERN_INFO " ext_phy_config 0x%08x speed_cap_mask 0x%08x" | |
7412 | " link_config 0x%08x\n", | |
7413 | bp->link_params.serdes_config, | |
7414 | bp->link_params.lane_config, | |
7415 | bp->link_params.ext_phy_config, | |
7416 | bp->link_params.speed_cap_mask, bp->port.link_config); | |
7417 | ||
7418 | bp->link_params.switch_cfg = (bp->port.link_config & | |
7419 | PORT_FEATURE_CONNECTED_SWITCH_MASK); | |
7420 | bnx2x_link_settings_supported(bp, bp->link_params.switch_cfg); | |
7421 | ||
7422 | bnx2x_link_settings_requested(bp); | |
7423 | ||
7424 | val2 = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_upper); | |
7425 | val = SHMEM_RD(bp, dev_info.port_hw_config[port].mac_lower); | |
7426 | bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff); | |
7427 | bp->dev->dev_addr[1] = (u8)(val2 & 0xff); | |
7428 | bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff); | |
7429 | bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff); | |
7430 | bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff); | |
7431 | bp->dev->dev_addr[5] = (u8)(val & 0xff); | |
7432 | memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, ETH_ALEN); | |
7433 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN); | |
7434 | } | |
7435 | ||
7436 | static int __devinit bnx2x_get_hwinfo(struct bnx2x *bp) | |
7437 | { | |
7438 | int func = BP_FUNC(bp); | |
7439 | u32 val, val2; | |
7440 | int rc = 0; | |
7441 | ||
7442 | bnx2x_get_common_hwinfo(bp); | |
7443 | ||
7444 | bp->e1hov = 0; | |
7445 | bp->e1hmf = 0; | |
7446 | if (CHIP_IS_E1H(bp)) { | |
7447 | bp->mf_config = | |
7448 | SHMEM_RD(bp, mf_cfg.func_mf_config[func].config); | |
7449 | ||
7450 | val = (SHMEM_RD(bp, mf_cfg.func_mf_config[func].e1hov_tag) & | |
7451 | FUNC_MF_CFG_E1HOV_TAG_MASK); | |
7452 | if (val != FUNC_MF_CFG_E1HOV_TAG_DEFAULT) { | |
7453 | ||
7454 | bp->e1hov = val; | |
7455 | bp->e1hmf = 1; | |
7456 | BNX2X_DEV_INFO("MF mode E1HOV for func %d is %d " | |
7457 | "(0x%04x)\n", | |
7458 | func, bp->e1hov, bp->e1hov); | |
7459 | } else { | |
7460 | BNX2X_DEV_INFO("Single function mode\n"); | |
7461 | if (BP_E1HVN(bp)) { | |
7462 | BNX2X_ERR("!!! No valid E1HOV for func %d," | |
7463 | " aborting\n", func); | |
7464 | rc = -EPERM; | |
7465 | } | |
7466 | } | |
7467 | } | |
7468 | ||
7469 | if (!BP_NOMCP(bp)) { | |
7470 | bnx2x_get_port_hwinfo(bp); | |
7471 | ||
7472 | bp->fw_seq = (SHMEM_RD(bp, func_mb[func].drv_mb_header) & | |
7473 | DRV_MSG_SEQ_NUMBER_MASK); | |
7474 | BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); | |
7475 | } | |
7476 | ||
7477 | if (IS_E1HMF(bp)) { | |
7478 | val2 = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_upper); | |
7479 | val = SHMEM_RD(bp, mf_cfg.func_mf_config[func].mac_lower); | |
7480 | if ((val2 != FUNC_MF_CFG_UPPERMAC_DEFAULT) && | |
7481 | (val != FUNC_MF_CFG_LOWERMAC_DEFAULT)) { | |
7482 | bp->dev->dev_addr[0] = (u8)(val2 >> 8 & 0xff); | |
7483 | bp->dev->dev_addr[1] = (u8)(val2 & 0xff); | |
7484 | bp->dev->dev_addr[2] = (u8)(val >> 24 & 0xff); | |
7485 | bp->dev->dev_addr[3] = (u8)(val >> 16 & 0xff); | |
7486 | bp->dev->dev_addr[4] = (u8)(val >> 8 & 0xff); | |
7487 | bp->dev->dev_addr[5] = (u8)(val & 0xff); | |
7488 | memcpy(bp->link_params.mac_addr, bp->dev->dev_addr, | |
7489 | ETH_ALEN); | |
7490 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, | |
7491 | ETH_ALEN); | |
7492 | } | |
7493 | ||
7494 | return rc; | |
7495 | } | |
7496 | ||
7497 | if (BP_NOMCP(bp)) { | |
7498 | /* only supposed to happen on emulation/FPGA */ | |
7499 | BNX2X_ERR("warning random MAC workaround active\n"); | |
7500 | random_ether_addr(bp->dev->dev_addr); | |
7501 | memcpy(bp->dev->perm_addr, bp->dev->dev_addr, ETH_ALEN); | |
7502 | } | |
7503 | ||
7504 | return rc; | |
7505 | } | |
7506 | ||
7507 | static int __devinit bnx2x_init_bp(struct bnx2x *bp) | |
7508 | { | |
7509 | int func = BP_FUNC(bp); | |
7510 | int rc; | |
7511 | ||
7512 | /* Disable interrupt handling until HW is initialized */ | |
7513 | atomic_set(&bp->intr_sem, 1); | |
7514 | ||
7515 | mutex_init(&bp->port.phy_mutex); | |
7516 | ||
7517 | INIT_DELAYED_WORK(&bp->sp_task, bnx2x_sp_task); | |
7518 | INIT_WORK(&bp->reset_task, bnx2x_reset_task); | |
7519 | ||
7520 | rc = bnx2x_get_hwinfo(bp); | |
7521 | ||
7522 | /* need to reset chip if undi was active */ | |
7523 | if (!BP_NOMCP(bp)) | |
7524 | bnx2x_undi_unload(bp); | |
7525 | ||
7526 | if (CHIP_REV_IS_FPGA(bp)) | |
7527 | printk(KERN_ERR PFX "FPGA detected\n"); | |
7528 | ||
7529 | if (BP_NOMCP(bp) && (func == 0)) | |
7530 | printk(KERN_ERR PFX | |
7531 | "MCP disabled, must load devices in order!\n"); | |
7532 | ||
7533 | /* Set TPA flags */ | |
7534 | if (disable_tpa) { | |
7535 | bp->flags &= ~TPA_ENABLE_FLAG; | |
7536 | bp->dev->features &= ~NETIF_F_LRO; | |
7537 | } else { | |
7538 | bp->flags |= TPA_ENABLE_FLAG; | |
7539 | bp->dev->features |= NETIF_F_LRO; | |
7540 | } | |
7541 | ||
7542 | ||
7543 | bp->tx_ring_size = MAX_TX_AVAIL; | |
7544 | bp->rx_ring_size = MAX_RX_AVAIL; | |
7545 | ||
7546 | bp->rx_csum = 1; | |
7547 | bp->rx_offset = 0; | |
7548 | ||
7549 | bp->tx_ticks = 50; | |
7550 | bp->rx_ticks = 25; | |
7551 | ||
7552 | bp->timer_interval = (CHIP_REV_IS_SLOW(bp) ? 5*HZ : HZ); | |
7553 | bp->current_interval = (poll ? poll : bp->timer_interval); | |
7554 | ||
7555 | init_timer(&bp->timer); | |
7556 | bp->timer.expires = jiffies + bp->current_interval; | |
7557 | bp->timer.data = (unsigned long) bp; | |
7558 | bp->timer.function = bnx2x_timer; | |
7559 | ||
7560 | return rc; | |
7561 | } | |
7562 | ||
7563 | /* | |
7564 | * ethtool service functions | |
7565 | */ | |
7566 | ||
7567 | /* All ethtool functions called with rtnl_lock */ | |
7568 | ||
7569 | static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
7570 | { | |
7571 | struct bnx2x *bp = netdev_priv(dev); | |
7572 | ||
7573 | cmd->supported = bp->port.supported; | |
7574 | cmd->advertising = bp->port.advertising; | |
7575 | ||
7576 | if (netif_carrier_ok(dev)) { | |
7577 | cmd->speed = bp->link_vars.line_speed; | |
7578 | cmd->duplex = bp->link_vars.duplex; | |
7579 | } else { | |
7580 | cmd->speed = bp->link_params.req_line_speed; | |
7581 | cmd->duplex = bp->link_params.req_duplex; | |
7582 | } | |
7583 | if (IS_E1HMF(bp)) { | |
7584 | u16 vn_max_rate; | |
7585 | ||
7586 | vn_max_rate = ((bp->mf_config & FUNC_MF_CFG_MAX_BW_MASK) >> | |
7587 | FUNC_MF_CFG_MAX_BW_SHIFT) * 100; | |
7588 | if (vn_max_rate < cmd->speed) | |
7589 | cmd->speed = vn_max_rate; | |
7590 | } | |
7591 | ||
7592 | if (bp->link_params.switch_cfg == SWITCH_CFG_10G) { | |
7593 | u32 ext_phy_type = | |
7594 | XGXS_EXT_PHY_TYPE(bp->link_params.ext_phy_config); | |
7595 | ||
7596 | switch (ext_phy_type) { | |
7597 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_DIRECT: | |
7598 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8705: | |
7599 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8706: | |
7600 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8072: | |
7601 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM8073: | |
7602 | cmd->port = PORT_FIBRE; | |
7603 | break; | |
7604 | ||
7605 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101: | |
7606 | cmd->port = PORT_TP; | |
7607 | break; | |
7608 | ||
7609 | case PORT_HW_CFG_XGXS_EXT_PHY_TYPE_FAILURE: | |
7610 | BNX2X_ERR("XGXS PHY Failure detected 0x%x\n", | |
7611 | bp->link_params.ext_phy_config); | |
7612 | break; | |
7613 | ||
7614 | default: | |
7615 | DP(NETIF_MSG_LINK, "BAD XGXS ext_phy_config 0x%x\n", | |
7616 | bp->link_params.ext_phy_config); | |
7617 | break; | |
7618 | } | |
7619 | } else | |
7620 | cmd->port = PORT_TP; | |
7621 | ||
7622 | cmd->phy_address = bp->port.phy_addr; | |
7623 | cmd->transceiver = XCVR_INTERNAL; | |
7624 | ||
7625 | if (bp->link_params.req_line_speed == SPEED_AUTO_NEG) | |
7626 | cmd->autoneg = AUTONEG_ENABLE; | |
7627 | else | |
7628 | cmd->autoneg = AUTONEG_DISABLE; | |
7629 | ||
7630 | cmd->maxtxpkt = 0; | |
7631 | cmd->maxrxpkt = 0; | |
7632 | ||
7633 | DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" | |
7634 | DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" | |
7635 | DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" | |
7636 | DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", | |
7637 | cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, | |
7638 | cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, | |
7639 | cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); | |
7640 | ||
7641 | return 0; | |
7642 | } | |
7643 | ||
7644 | static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd) | |
7645 | { | |
7646 | struct bnx2x *bp = netdev_priv(dev); | |
7647 | u32 advertising; | |
7648 | ||
7649 | if (IS_E1HMF(bp)) | |
7650 | return 0; | |
7651 | ||
7652 | DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n" | |
7653 | DP_LEVEL " supported 0x%x advertising 0x%x speed %d\n" | |
7654 | DP_LEVEL " duplex %d port %d phy_address %d transceiver %d\n" | |
7655 | DP_LEVEL " autoneg %d maxtxpkt %d maxrxpkt %d\n", | |
7656 | cmd->cmd, cmd->supported, cmd->advertising, cmd->speed, | |
7657 | cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver, | |
7658 | cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt); | |
7659 | ||
7660 | if (cmd->autoneg == AUTONEG_ENABLE) { | |
7661 | if (!(bp->port.supported & SUPPORTED_Autoneg)) { | |
7662 | DP(NETIF_MSG_LINK, "Autoneg not supported\n"); | |
7663 | return -EINVAL; | |
7664 | } | |
7665 | ||
7666 | /* advertise the requested speed and duplex if supported */ | |
7667 | cmd->advertising &= bp->port.supported; | |
7668 | ||
7669 | bp->link_params.req_line_speed = SPEED_AUTO_NEG; | |
7670 | bp->link_params.req_duplex = DUPLEX_FULL; | |
7671 | bp->port.advertising |= (ADVERTISED_Autoneg | | |
7672 | cmd->advertising); | |
7673 | ||
7674 | } else { /* forced speed */ | |
7675 | /* advertise the requested speed and duplex if supported */ | |
7676 | switch (cmd->speed) { | |
7677 | case SPEED_10: | |
7678 | if (cmd->duplex == DUPLEX_FULL) { | |
7679 | if (!(bp->port.supported & | |
7680 | SUPPORTED_10baseT_Full)) { | |
7681 | DP(NETIF_MSG_LINK, | |
7682 | "10M full not supported\n"); | |
7683 | return -EINVAL; | |
7684 | } | |
7685 | ||
7686 | advertising = (ADVERTISED_10baseT_Full | | |
7687 | ADVERTISED_TP); | |
7688 | } else { | |
7689 | if (!(bp->port.supported & | |
7690 | SUPPORTED_10baseT_Half)) { | |
7691 | DP(NETIF_MSG_LINK, | |
7692 | "10M half not supported\n"); | |
7693 | return -EINVAL; | |
7694 | } | |
7695 | ||
7696 | advertising = (ADVERTISED_10baseT_Half | | |
7697 | ADVERTISED_TP); | |
7698 | } | |
7699 | break; | |
7700 | ||
7701 | case SPEED_100: | |
7702 | if (cmd->duplex == DUPLEX_FULL) { | |
7703 | if (!(bp->port.supported & | |
7704 | SUPPORTED_100baseT_Full)) { | |
7705 | DP(NETIF_MSG_LINK, | |
7706 | "100M full not supported\n"); | |
7707 | return -EINVAL; | |
7708 | } | |
7709 | ||
7710 | advertising = (ADVERTISED_100baseT_Full | | |
7711 | ADVERTISED_TP); | |
7712 | } else { | |
7713 | if (!(bp->port.supported & | |
7714 | SUPPORTED_100baseT_Half)) { | |
7715 | DP(NETIF_MSG_LINK, | |
7716 | "100M half not supported\n"); | |
7717 | return -EINVAL; | |
7718 | } | |
7719 | ||
7720 | advertising = (ADVERTISED_100baseT_Half | | |
7721 | ADVERTISED_TP); | |
7722 | } | |
7723 | break; | |
7724 | ||
7725 | case SPEED_1000: | |
7726 | if (cmd->duplex != DUPLEX_FULL) { | |
7727 | DP(NETIF_MSG_LINK, "1G half not supported\n"); | |
7728 | return -EINVAL; | |
7729 | } | |
7730 | ||
7731 | if (!(bp->port.supported & SUPPORTED_1000baseT_Full)) { | |
7732 | DP(NETIF_MSG_LINK, "1G full not supported\n"); | |
7733 | return -EINVAL; | |
7734 | } | |
7735 | ||
7736 | advertising = (ADVERTISED_1000baseT_Full | | |
7737 | ADVERTISED_TP); | |
7738 | break; | |
7739 | ||
7740 | case SPEED_2500: | |
7741 | if (cmd->duplex != DUPLEX_FULL) { | |
7742 | DP(NETIF_MSG_LINK, | |
7743 | "2.5G half not supported\n"); | |
7744 | return -EINVAL; | |
7745 | } | |
7746 | ||
7747 | if (!(bp->port.supported & SUPPORTED_2500baseX_Full)) { | |
7748 | DP(NETIF_MSG_LINK, | |
7749 | "2.5G full not supported\n"); | |
7750 | return -EINVAL; | |
7751 | } | |
7752 | ||
7753 | advertising = (ADVERTISED_2500baseX_Full | | |
7754 | ADVERTISED_TP); | |
7755 | break; | |
7756 | ||
7757 | case SPEED_10000: | |
7758 | if (cmd->duplex != DUPLEX_FULL) { | |
7759 | DP(NETIF_MSG_LINK, "10G half not supported\n"); | |
7760 | return -EINVAL; | |
7761 | } | |
7762 | ||
7763 | if (!(bp->port.supported & SUPPORTED_10000baseT_Full)) { | |
7764 | DP(NETIF_MSG_LINK, "10G full not supported\n"); | |
7765 | return -EINVAL; | |
7766 | } | |
7767 | ||
7768 | advertising = (ADVERTISED_10000baseT_Full | | |
7769 | ADVERTISED_FIBRE); | |
7770 | break; | |
7771 | ||
7772 | default: | |
7773 | DP(NETIF_MSG_LINK, "Unsupported speed\n"); | |
7774 | return -EINVAL; | |
7775 | } | |
7776 | ||
7777 | bp->link_params.req_line_speed = cmd->speed; | |
7778 | bp->link_params.req_duplex = cmd->duplex; | |
7779 | bp->port.advertising = advertising; | |
7780 | } | |
7781 | ||
7782 | DP(NETIF_MSG_LINK, "req_line_speed %d\n" | |
7783 | DP_LEVEL " req_duplex %d advertising 0x%x\n", | |
7784 | bp->link_params.req_line_speed, bp->link_params.req_duplex, | |
7785 | bp->port.advertising); | |
7786 | ||
7787 | if (netif_running(dev)) { | |
7788 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
7789 | bnx2x_link_set(bp); | |
7790 | } | |
7791 | ||
7792 | return 0; | |
7793 | } | |
7794 | ||
7795 | #define PHY_FW_VER_LEN 10 | |
7796 | ||
7797 | static void bnx2x_get_drvinfo(struct net_device *dev, | |
7798 | struct ethtool_drvinfo *info) | |
7799 | { | |
7800 | struct bnx2x *bp = netdev_priv(dev); | |
7801 | u8 phy_fw_ver[PHY_FW_VER_LEN]; | |
7802 | ||
7803 | strcpy(info->driver, DRV_MODULE_NAME); | |
7804 | strcpy(info->version, DRV_MODULE_VERSION); | |
7805 | ||
7806 | phy_fw_ver[0] = '\0'; | |
7807 | if (bp->port.pmf) { | |
7808 | bnx2x_acquire_phy_lock(bp); | |
7809 | bnx2x_get_ext_phy_fw_version(&bp->link_params, | |
7810 | (bp->state != BNX2X_STATE_CLOSED), | |
7811 | phy_fw_ver, PHY_FW_VER_LEN); | |
7812 | bnx2x_release_phy_lock(bp); | |
7813 | } | |
7814 | ||
7815 | snprintf(info->fw_version, 32, "BC:%d.%d.%d%s%s", | |
7816 | (bp->common.bc_ver & 0xff0000) >> 16, | |
7817 | (bp->common.bc_ver & 0xff00) >> 8, | |
7818 | (bp->common.bc_ver & 0xff), | |
7819 | ((phy_fw_ver[0] != '\0') ? " PHY:" : ""), phy_fw_ver); | |
7820 | strcpy(info->bus_info, pci_name(bp->pdev)); | |
7821 | info->n_stats = BNX2X_NUM_STATS; | |
7822 | info->testinfo_len = BNX2X_NUM_TESTS; | |
7823 | info->eedump_len = bp->common.flash_size; | |
7824 | info->regdump_len = 0; | |
7825 | } | |
7826 | ||
7827 | static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
7828 | { | |
7829 | struct bnx2x *bp = netdev_priv(dev); | |
7830 | ||
7831 | if (bp->flags & NO_WOL_FLAG) { | |
7832 | wol->supported = 0; | |
7833 | wol->wolopts = 0; | |
7834 | } else { | |
7835 | wol->supported = WAKE_MAGIC; | |
7836 | if (bp->wol) | |
7837 | wol->wolopts = WAKE_MAGIC; | |
7838 | else | |
7839 | wol->wolopts = 0; | |
7840 | } | |
7841 | memset(&wol->sopass, 0, sizeof(wol->sopass)); | |
7842 | } | |
7843 | ||
7844 | static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol) | |
7845 | { | |
7846 | struct bnx2x *bp = netdev_priv(dev); | |
7847 | ||
7848 | if (wol->wolopts & ~WAKE_MAGIC) | |
7849 | return -EINVAL; | |
7850 | ||
7851 | if (wol->wolopts & WAKE_MAGIC) { | |
7852 | if (bp->flags & NO_WOL_FLAG) | |
7853 | return -EINVAL; | |
7854 | ||
7855 | bp->wol = 1; | |
7856 | } else | |
7857 | bp->wol = 0; | |
7858 | ||
7859 | return 0; | |
7860 | } | |
7861 | ||
7862 | static u32 bnx2x_get_msglevel(struct net_device *dev) | |
7863 | { | |
7864 | struct bnx2x *bp = netdev_priv(dev); | |
7865 | ||
7866 | return bp->msglevel; | |
7867 | } | |
7868 | ||
7869 | static void bnx2x_set_msglevel(struct net_device *dev, u32 level) | |
7870 | { | |
7871 | struct bnx2x *bp = netdev_priv(dev); | |
7872 | ||
7873 | if (capable(CAP_NET_ADMIN)) | |
7874 | bp->msglevel = level; | |
7875 | } | |
7876 | ||
7877 | static int bnx2x_nway_reset(struct net_device *dev) | |
7878 | { | |
7879 | struct bnx2x *bp = netdev_priv(dev); | |
7880 | ||
7881 | if (!bp->port.pmf) | |
7882 | return 0; | |
7883 | ||
7884 | if (netif_running(dev)) { | |
7885 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
7886 | bnx2x_link_set(bp); | |
7887 | } | |
7888 | ||
7889 | return 0; | |
7890 | } | |
7891 | ||
7892 | static int bnx2x_get_eeprom_len(struct net_device *dev) | |
7893 | { | |
7894 | struct bnx2x *bp = netdev_priv(dev); | |
7895 | ||
7896 | return bp->common.flash_size; | |
7897 | } | |
7898 | ||
7899 | static int bnx2x_acquire_nvram_lock(struct bnx2x *bp) | |
7900 | { | |
7901 | int port = BP_PORT(bp); | |
7902 | int count, i; | |
7903 | u32 val = 0; | |
7904 | ||
7905 | /* adjust timeout for emulation/FPGA */ | |
7906 | count = NVRAM_TIMEOUT_COUNT; | |
7907 | if (CHIP_REV_IS_SLOW(bp)) | |
7908 | count *= 100; | |
7909 | ||
7910 | /* request access to nvram interface */ | |
7911 | REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, | |
7912 | (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port)); | |
7913 | ||
7914 | for (i = 0; i < count*10; i++) { | |
7915 | val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); | |
7916 | if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) | |
7917 | break; | |
7918 | ||
7919 | udelay(5); | |
7920 | } | |
7921 | ||
7922 | if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) { | |
7923 | DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n"); | |
7924 | return -EBUSY; | |
7925 | } | |
7926 | ||
7927 | return 0; | |
7928 | } | |
7929 | ||
7930 | static int bnx2x_release_nvram_lock(struct bnx2x *bp) | |
7931 | { | |
7932 | int port = BP_PORT(bp); | |
7933 | int count, i; | |
7934 | u32 val = 0; | |
7935 | ||
7936 | /* adjust timeout for emulation/FPGA */ | |
7937 | count = NVRAM_TIMEOUT_COUNT; | |
7938 | if (CHIP_REV_IS_SLOW(bp)) | |
7939 | count *= 100; | |
7940 | ||
7941 | /* relinquish nvram interface */ | |
7942 | REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB, | |
7943 | (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port)); | |
7944 | ||
7945 | for (i = 0; i < count*10; i++) { | |
7946 | val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB); | |
7947 | if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) | |
7948 | break; | |
7949 | ||
7950 | udelay(5); | |
7951 | } | |
7952 | ||
7953 | if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) { | |
7954 | DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n"); | |
7955 | return -EBUSY; | |
7956 | } | |
7957 | ||
7958 | return 0; | |
7959 | } | |
7960 | ||
7961 | static void bnx2x_enable_nvram_access(struct bnx2x *bp) | |
7962 | { | |
7963 | u32 val; | |
7964 | ||
7965 | val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); | |
7966 | ||
7967 | /* enable both bits, even on read */ | |
7968 | REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, | |
7969 | (val | MCPR_NVM_ACCESS_ENABLE_EN | | |
7970 | MCPR_NVM_ACCESS_ENABLE_WR_EN)); | |
7971 | } | |
7972 | ||
7973 | static void bnx2x_disable_nvram_access(struct bnx2x *bp) | |
7974 | { | |
7975 | u32 val; | |
7976 | ||
7977 | val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE); | |
7978 | ||
7979 | /* disable both bits, even after read */ | |
7980 | REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE, | |
7981 | (val & ~(MCPR_NVM_ACCESS_ENABLE_EN | | |
7982 | MCPR_NVM_ACCESS_ENABLE_WR_EN))); | |
7983 | } | |
7984 | ||
7985 | static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, u32 *ret_val, | |
7986 | u32 cmd_flags) | |
7987 | { | |
7988 | int count, i, rc; | |
7989 | u32 val; | |
7990 | ||
7991 | /* build the command word */ | |
7992 | cmd_flags |= MCPR_NVM_COMMAND_DOIT; | |
7993 | ||
7994 | /* need to clear DONE bit separately */ | |
7995 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); | |
7996 | ||
7997 | /* address of the NVRAM to read from */ | |
7998 | REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, | |
7999 | (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); | |
8000 | ||
8001 | /* issue a read command */ | |
8002 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); | |
8003 | ||
8004 | /* adjust timeout for emulation/FPGA */ | |
8005 | count = NVRAM_TIMEOUT_COUNT; | |
8006 | if (CHIP_REV_IS_SLOW(bp)) | |
8007 | count *= 100; | |
8008 | ||
8009 | /* wait for completion */ | |
8010 | *ret_val = 0; | |
8011 | rc = -EBUSY; | |
8012 | for (i = 0; i < count; i++) { | |
8013 | udelay(5); | |
8014 | val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); | |
8015 | ||
8016 | if (val & MCPR_NVM_COMMAND_DONE) { | |
8017 | val = REG_RD(bp, MCP_REG_MCPR_NVM_READ); | |
8018 | /* we read nvram data in cpu order | |
8019 | * but ethtool sees it as an array of bytes | |
8020 | * converting to big-endian will do the work */ | |
8021 | val = cpu_to_be32(val); | |
8022 | *ret_val = val; | |
8023 | rc = 0; | |
8024 | break; | |
8025 | } | |
8026 | } | |
8027 | ||
8028 | return rc; | |
8029 | } | |
8030 | ||
8031 | static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf, | |
8032 | int buf_size) | |
8033 | { | |
8034 | int rc; | |
8035 | u32 cmd_flags; | |
8036 | u32 val; | |
8037 | ||
8038 | if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { | |
8039 | DP(BNX2X_MSG_NVM, | |
8040 | "Invalid parameter: offset 0x%x buf_size 0x%x\n", | |
8041 | offset, buf_size); | |
8042 | return -EINVAL; | |
8043 | } | |
8044 | ||
8045 | if (offset + buf_size > bp->common.flash_size) { | |
8046 | DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" | |
8047 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
8048 | offset, buf_size, bp->common.flash_size); | |
8049 | return -EINVAL; | |
8050 | } | |
8051 | ||
8052 | /* request access to nvram interface */ | |
8053 | rc = bnx2x_acquire_nvram_lock(bp); | |
8054 | if (rc) | |
8055 | return rc; | |
8056 | ||
8057 | /* enable access to nvram interface */ | |
8058 | bnx2x_enable_nvram_access(bp); | |
8059 | ||
8060 | /* read the first word(s) */ | |
8061 | cmd_flags = MCPR_NVM_COMMAND_FIRST; | |
8062 | while ((buf_size > sizeof(u32)) && (rc == 0)) { | |
8063 | rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); | |
8064 | memcpy(ret_buf, &val, 4); | |
8065 | ||
8066 | /* advance to the next dword */ | |
8067 | offset += sizeof(u32); | |
8068 | ret_buf += sizeof(u32); | |
8069 | buf_size -= sizeof(u32); | |
8070 | cmd_flags = 0; | |
8071 | } | |
8072 | ||
8073 | if (rc == 0) { | |
8074 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
8075 | rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags); | |
8076 | memcpy(ret_buf, &val, 4); | |
8077 | } | |
8078 | ||
8079 | /* disable access to nvram interface */ | |
8080 | bnx2x_disable_nvram_access(bp); | |
8081 | bnx2x_release_nvram_lock(bp); | |
8082 | ||
8083 | return rc; | |
8084 | } | |
8085 | ||
8086 | static int bnx2x_get_eeprom(struct net_device *dev, | |
8087 | struct ethtool_eeprom *eeprom, u8 *eebuf) | |
8088 | { | |
8089 | struct bnx2x *bp = netdev_priv(dev); | |
8090 | int rc; | |
8091 | ||
8092 | DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" | |
8093 | DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", | |
8094 | eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, | |
8095 | eeprom->len, eeprom->len); | |
8096 | ||
8097 | /* parameters already validated in ethtool_get_eeprom */ | |
8098 | ||
8099 | rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len); | |
8100 | ||
8101 | return rc; | |
8102 | } | |
8103 | ||
8104 | static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val, | |
8105 | u32 cmd_flags) | |
8106 | { | |
8107 | int count, i, rc; | |
8108 | ||
8109 | /* build the command word */ | |
8110 | cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR; | |
8111 | ||
8112 | /* need to clear DONE bit separately */ | |
8113 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE); | |
8114 | ||
8115 | /* write the data */ | |
8116 | REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val); | |
8117 | ||
8118 | /* address of the NVRAM to write to */ | |
8119 | REG_WR(bp, MCP_REG_MCPR_NVM_ADDR, | |
8120 | (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE)); | |
8121 | ||
8122 | /* issue the write command */ | |
8123 | REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags); | |
8124 | ||
8125 | /* adjust timeout for emulation/FPGA */ | |
8126 | count = NVRAM_TIMEOUT_COUNT; | |
8127 | if (CHIP_REV_IS_SLOW(bp)) | |
8128 | count *= 100; | |
8129 | ||
8130 | /* wait for completion */ | |
8131 | rc = -EBUSY; | |
8132 | for (i = 0; i < count; i++) { | |
8133 | udelay(5); | |
8134 | val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND); | |
8135 | if (val & MCPR_NVM_COMMAND_DONE) { | |
8136 | rc = 0; | |
8137 | break; | |
8138 | } | |
8139 | } | |
8140 | ||
8141 | return rc; | |
8142 | } | |
8143 | ||
8144 | #define BYTE_OFFSET(offset) (8 * (offset & 0x03)) | |
8145 | ||
8146 | static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf, | |
8147 | int buf_size) | |
8148 | { | |
8149 | int rc; | |
8150 | u32 cmd_flags; | |
8151 | u32 align_offset; | |
8152 | u32 val; | |
8153 | ||
8154 | if (offset + buf_size > bp->common.flash_size) { | |
8155 | DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" | |
8156 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
8157 | offset, buf_size, bp->common.flash_size); | |
8158 | return -EINVAL; | |
8159 | } | |
8160 | ||
8161 | /* request access to nvram interface */ | |
8162 | rc = bnx2x_acquire_nvram_lock(bp); | |
8163 | if (rc) | |
8164 | return rc; | |
8165 | ||
8166 | /* enable access to nvram interface */ | |
8167 | bnx2x_enable_nvram_access(bp); | |
8168 | ||
8169 | cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST); | |
8170 | align_offset = (offset & ~0x03); | |
8171 | rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags); | |
8172 | ||
8173 | if (rc == 0) { | |
8174 | val &= ~(0xff << BYTE_OFFSET(offset)); | |
8175 | val |= (*data_buf << BYTE_OFFSET(offset)); | |
8176 | ||
8177 | /* nvram data is returned as an array of bytes | |
8178 | * convert it back to cpu order */ | |
8179 | val = be32_to_cpu(val); | |
8180 | ||
8181 | rc = bnx2x_nvram_write_dword(bp, align_offset, val, | |
8182 | cmd_flags); | |
8183 | } | |
8184 | ||
8185 | /* disable access to nvram interface */ | |
8186 | bnx2x_disable_nvram_access(bp); | |
8187 | bnx2x_release_nvram_lock(bp); | |
8188 | ||
8189 | return rc; | |
8190 | } | |
8191 | ||
8192 | static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf, | |
8193 | int buf_size) | |
8194 | { | |
8195 | int rc; | |
8196 | u32 cmd_flags; | |
8197 | u32 val; | |
8198 | u32 written_so_far; | |
8199 | ||
8200 | if (buf_size == 1) /* ethtool */ | |
8201 | return bnx2x_nvram_write1(bp, offset, data_buf, buf_size); | |
8202 | ||
8203 | if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) { | |
8204 | DP(BNX2X_MSG_NVM, | |
8205 | "Invalid parameter: offset 0x%x buf_size 0x%x\n", | |
8206 | offset, buf_size); | |
8207 | return -EINVAL; | |
8208 | } | |
8209 | ||
8210 | if (offset + buf_size > bp->common.flash_size) { | |
8211 | DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +" | |
8212 | " buf_size (0x%x) > flash_size (0x%x)\n", | |
8213 | offset, buf_size, bp->common.flash_size); | |
8214 | return -EINVAL; | |
8215 | } | |
8216 | ||
8217 | /* request access to nvram interface */ | |
8218 | rc = bnx2x_acquire_nvram_lock(bp); | |
8219 | if (rc) | |
8220 | return rc; | |
8221 | ||
8222 | /* enable access to nvram interface */ | |
8223 | bnx2x_enable_nvram_access(bp); | |
8224 | ||
8225 | written_so_far = 0; | |
8226 | cmd_flags = MCPR_NVM_COMMAND_FIRST; | |
8227 | while ((written_so_far < buf_size) && (rc == 0)) { | |
8228 | if (written_so_far == (buf_size - sizeof(u32))) | |
8229 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
8230 | else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0) | |
8231 | cmd_flags |= MCPR_NVM_COMMAND_LAST; | |
8232 | else if ((offset % NVRAM_PAGE_SIZE) == 0) | |
8233 | cmd_flags |= MCPR_NVM_COMMAND_FIRST; | |
8234 | ||
8235 | memcpy(&val, data_buf, 4); | |
8236 | ||
8237 | rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags); | |
8238 | ||
8239 | /* advance to the next dword */ | |
8240 | offset += sizeof(u32); | |
8241 | data_buf += sizeof(u32); | |
8242 | written_so_far += sizeof(u32); | |
8243 | cmd_flags = 0; | |
8244 | } | |
8245 | ||
8246 | /* disable access to nvram interface */ | |
8247 | bnx2x_disable_nvram_access(bp); | |
8248 | bnx2x_release_nvram_lock(bp); | |
8249 | ||
8250 | return rc; | |
8251 | } | |
8252 | ||
8253 | static int bnx2x_set_eeprom(struct net_device *dev, | |
8254 | struct ethtool_eeprom *eeprom, u8 *eebuf) | |
8255 | { | |
8256 | struct bnx2x *bp = netdev_priv(dev); | |
8257 | int rc; | |
8258 | ||
8259 | if (!netif_running(dev)) | |
8260 | return -EAGAIN; | |
8261 | ||
8262 | DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n" | |
8263 | DP_LEVEL " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n", | |
8264 | eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset, | |
8265 | eeprom->len, eeprom->len); | |
8266 | ||
8267 | /* parameters already validated in ethtool_set_eeprom */ | |
8268 | ||
8269 | /* If the magic number is PHY (0x00504859) upgrade the PHY FW */ | |
8270 | if (eeprom->magic == 0x00504859) | |
8271 | if (bp->port.pmf) { | |
8272 | ||
8273 | bnx2x_acquire_phy_lock(bp); | |
8274 | rc = bnx2x_flash_download(bp, BP_PORT(bp), | |
8275 | bp->link_params.ext_phy_config, | |
8276 | (bp->state != BNX2X_STATE_CLOSED), | |
8277 | eebuf, eeprom->len); | |
8278 | if ((bp->state == BNX2X_STATE_OPEN) || | |
8279 | (bp->state == BNX2X_STATE_DISABLED)) { | |
8280 | rc |= bnx2x_link_reset(&bp->link_params, | |
8281 | &bp->link_vars); | |
8282 | rc |= bnx2x_phy_init(&bp->link_params, | |
8283 | &bp->link_vars); | |
8284 | } | |
8285 | bnx2x_release_phy_lock(bp); | |
8286 | ||
8287 | } else /* Only the PMF can access the PHY */ | |
8288 | return -EINVAL; | |
8289 | else | |
8290 | rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len); | |
8291 | ||
8292 | return rc; | |
8293 | } | |
8294 | ||
8295 | static int bnx2x_get_coalesce(struct net_device *dev, | |
8296 | struct ethtool_coalesce *coal) | |
8297 | { | |
8298 | struct bnx2x *bp = netdev_priv(dev); | |
8299 | ||
8300 | memset(coal, 0, sizeof(struct ethtool_coalesce)); | |
8301 | ||
8302 | coal->rx_coalesce_usecs = bp->rx_ticks; | |
8303 | coal->tx_coalesce_usecs = bp->tx_ticks; | |
8304 | ||
8305 | return 0; | |
8306 | } | |
8307 | ||
8308 | static int bnx2x_set_coalesce(struct net_device *dev, | |
8309 | struct ethtool_coalesce *coal) | |
8310 | { | |
8311 | struct bnx2x *bp = netdev_priv(dev); | |
8312 | ||
8313 | bp->rx_ticks = (u16) coal->rx_coalesce_usecs; | |
8314 | if (bp->rx_ticks > 3000) | |
8315 | bp->rx_ticks = 3000; | |
8316 | ||
8317 | bp->tx_ticks = (u16) coal->tx_coalesce_usecs; | |
8318 | if (bp->tx_ticks > 0x3000) | |
8319 | bp->tx_ticks = 0x3000; | |
8320 | ||
8321 | if (netif_running(dev)) | |
8322 | bnx2x_update_coalesce(bp); | |
8323 | ||
8324 | return 0; | |
8325 | } | |
8326 | ||
8327 | static void bnx2x_get_ringparam(struct net_device *dev, | |
8328 | struct ethtool_ringparam *ering) | |
8329 | { | |
8330 | struct bnx2x *bp = netdev_priv(dev); | |
8331 | ||
8332 | ering->rx_max_pending = MAX_RX_AVAIL; | |
8333 | ering->rx_mini_max_pending = 0; | |
8334 | ering->rx_jumbo_max_pending = 0; | |
8335 | ||
8336 | ering->rx_pending = bp->rx_ring_size; | |
8337 | ering->rx_mini_pending = 0; | |
8338 | ering->rx_jumbo_pending = 0; | |
8339 | ||
8340 | ering->tx_max_pending = MAX_TX_AVAIL; | |
8341 | ering->tx_pending = bp->tx_ring_size; | |
8342 | } | |
8343 | ||
8344 | static int bnx2x_set_ringparam(struct net_device *dev, | |
8345 | struct ethtool_ringparam *ering) | |
8346 | { | |
8347 | struct bnx2x *bp = netdev_priv(dev); | |
8348 | int rc = 0; | |
8349 | ||
8350 | if ((ering->rx_pending > MAX_RX_AVAIL) || | |
8351 | (ering->tx_pending > MAX_TX_AVAIL) || | |
8352 | (ering->tx_pending <= MAX_SKB_FRAGS + 4)) | |
8353 | return -EINVAL; | |
8354 | ||
8355 | bp->rx_ring_size = ering->rx_pending; | |
8356 | bp->tx_ring_size = ering->tx_pending; | |
8357 | ||
8358 | if (netif_running(dev)) { | |
8359 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
8360 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); | |
8361 | } | |
8362 | ||
8363 | return rc; | |
8364 | } | |
8365 | ||
8366 | static void bnx2x_get_pauseparam(struct net_device *dev, | |
8367 | struct ethtool_pauseparam *epause) | |
8368 | { | |
8369 | struct bnx2x *bp = netdev_priv(dev); | |
8370 | ||
8371 | epause->autoneg = (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) && | |
8372 | (bp->link_params.req_line_speed == SPEED_AUTO_NEG); | |
8373 | ||
8374 | epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) == | |
8375 | BNX2X_FLOW_CTRL_RX); | |
8376 | epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) == | |
8377 | BNX2X_FLOW_CTRL_TX); | |
8378 | ||
8379 | DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" | |
8380 | DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", | |
8381 | epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); | |
8382 | } | |
8383 | ||
8384 | static int bnx2x_set_pauseparam(struct net_device *dev, | |
8385 | struct ethtool_pauseparam *epause) | |
8386 | { | |
8387 | struct bnx2x *bp = netdev_priv(dev); | |
8388 | ||
8389 | if (IS_E1HMF(bp)) | |
8390 | return 0; | |
8391 | ||
8392 | DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n" | |
8393 | DP_LEVEL " autoneg %d rx_pause %d tx_pause %d\n", | |
8394 | epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause); | |
8395 | ||
8396 | bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; | |
8397 | ||
8398 | if (epause->rx_pause) | |
8399 | bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_RX; | |
8400 | ||
8401 | if (epause->tx_pause) | |
8402 | bp->link_params.req_flow_ctrl |= BNX2X_FLOW_CTRL_TX; | |
8403 | ||
8404 | if (bp->link_params.req_flow_ctrl == BNX2X_FLOW_CTRL_AUTO) | |
8405 | bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_NONE; | |
8406 | ||
8407 | if (epause->autoneg) { | |
8408 | if (!(bp->port.supported & SUPPORTED_Autoneg)) { | |
8409 | DP(NETIF_MSG_LINK, "autoneg not supported\n"); | |
8410 | return -EINVAL; | |
8411 | } | |
8412 | ||
8413 | if (bp->link_params.req_line_speed == SPEED_AUTO_NEG) | |
8414 | bp->link_params.req_flow_ctrl = BNX2X_FLOW_CTRL_AUTO; | |
8415 | } | |
8416 | ||
8417 | DP(NETIF_MSG_LINK, | |
8418 | "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl); | |
8419 | ||
8420 | if (netif_running(dev)) { | |
8421 | bnx2x_stats_handle(bp, STATS_EVENT_STOP); | |
8422 | bnx2x_link_set(bp); | |
8423 | } | |
8424 | ||
8425 | return 0; | |
8426 | } | |
8427 | ||
8428 | static int bnx2x_set_flags(struct net_device *dev, u32 data) | |
8429 | { | |
8430 | struct bnx2x *bp = netdev_priv(dev); | |
8431 | int changed = 0; | |
8432 | int rc = 0; | |
8433 | ||
8434 | /* TPA requires Rx CSUM offloading */ | |
8435 | if ((data & ETH_FLAG_LRO) && bp->rx_csum) { | |
8436 | if (!(dev->features & NETIF_F_LRO)) { | |
8437 | dev->features |= NETIF_F_LRO; | |
8438 | bp->flags |= TPA_ENABLE_FLAG; | |
8439 | changed = 1; | |
8440 | } | |
8441 | ||
8442 | } else if (dev->features & NETIF_F_LRO) { | |
8443 | dev->features &= ~NETIF_F_LRO; | |
8444 | bp->flags &= ~TPA_ENABLE_FLAG; | |
8445 | changed = 1; | |
8446 | } | |
8447 | ||
8448 | if (changed && netif_running(dev)) { | |
8449 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
8450 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); | |
8451 | } | |
8452 | ||
8453 | return rc; | |
8454 | } | |
8455 | ||
8456 | static u32 bnx2x_get_rx_csum(struct net_device *dev) | |
8457 | { | |
8458 | struct bnx2x *bp = netdev_priv(dev); | |
8459 | ||
8460 | return bp->rx_csum; | |
8461 | } | |
8462 | ||
8463 | static int bnx2x_set_rx_csum(struct net_device *dev, u32 data) | |
8464 | { | |
8465 | struct bnx2x *bp = netdev_priv(dev); | |
8466 | int rc = 0; | |
8467 | ||
8468 | bp->rx_csum = data; | |
8469 | ||
8470 | /* Disable TPA, when Rx CSUM is disabled. Otherwise all | |
8471 | TPA'ed packets will be discarded due to wrong TCP CSUM */ | |
8472 | if (!data) { | |
8473 | u32 flags = ethtool_op_get_flags(dev); | |
8474 | ||
8475 | rc = bnx2x_set_flags(dev, (flags & ~ETH_FLAG_LRO)); | |
8476 | } | |
8477 | ||
8478 | return rc; | |
8479 | } | |
8480 | ||
8481 | static int bnx2x_set_tso(struct net_device *dev, u32 data) | |
8482 | { | |
8483 | if (data) { | |
8484 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); | |
8485 | dev->features |= NETIF_F_TSO6; | |
8486 | } else { | |
8487 | dev->features &= ~(NETIF_F_TSO | NETIF_F_TSO_ECN); | |
8488 | dev->features &= ~NETIF_F_TSO6; | |
8489 | } | |
8490 | ||
8491 | return 0; | |
8492 | } | |
8493 | ||
8494 | static const struct { | |
8495 | char string[ETH_GSTRING_LEN]; | |
8496 | } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = { | |
8497 | { "register_test (offline)" }, | |
8498 | { "memory_test (offline)" }, | |
8499 | { "loopback_test (offline)" }, | |
8500 | { "nvram_test (online)" }, | |
8501 | { "interrupt_test (online)" }, | |
8502 | { "link_test (online)" }, | |
8503 | { "idle check (online)" }, | |
8504 | { "MC errors (online)" } | |
8505 | }; | |
8506 | ||
8507 | static int bnx2x_self_test_count(struct net_device *dev) | |
8508 | { | |
8509 | return BNX2X_NUM_TESTS; | |
8510 | } | |
8511 | ||
8512 | static int bnx2x_test_registers(struct bnx2x *bp) | |
8513 | { | |
8514 | int idx, i, rc = -ENODEV; | |
8515 | u32 wr_val = 0; | |
8516 | int port = BP_PORT(bp); | |
8517 | static const struct { | |
8518 | u32 offset0; | |
8519 | u32 offset1; | |
8520 | u32 mask; | |
8521 | } reg_tbl[] = { | |
8522 | /* 0 */ { BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff }, | |
8523 | { DORQ_REG_DB_ADDR0, 4, 0xffffffff }, | |
8524 | { HC_REG_AGG_INT_0, 4, 0x000003ff }, | |
8525 | { PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 }, | |
8526 | { PBF_REG_P0_INIT_CRD, 4, 0x000007ff }, | |
8527 | { PRS_REG_CID_PORT_0, 4, 0x00ffffff }, | |
8528 | { PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff }, | |
8529 | { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, | |
8530 | { PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff }, | |
8531 | { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff }, | |
8532 | /* 10 */ { PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff }, | |
8533 | { QM_REG_CONNNUM_0, 4, 0x000fffff }, | |
8534 | { TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff }, | |
8535 | { SRC_REG_KEYRSS0_0, 40, 0xffffffff }, | |
8536 | { SRC_REG_KEYRSS0_7, 40, 0xffffffff }, | |
8537 | { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 }, | |
8538 | { XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 }, | |
8539 | { XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff }, | |
8540 | { NIG_REG_EGRESS_MNG0_FIFO, 20, 0xffffffff }, | |
8541 | { NIG_REG_LLH0_T_BIT, 4, 0x00000001 }, | |
8542 | /* 20 */ { NIG_REG_EMAC0_IN_EN, 4, 0x00000001 }, | |
8543 | { NIG_REG_BMAC0_IN_EN, 4, 0x00000001 }, | |
8544 | { NIG_REG_XCM0_OUT_EN, 4, 0x00000001 }, | |
8545 | { NIG_REG_BRB0_OUT_EN, 4, 0x00000001 }, | |
8546 | { NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 }, | |
8547 | { NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff }, | |
8548 | { NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff }, | |
8549 | { NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff }, | |
8550 | { NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff }, | |
8551 | { NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 }, | |
8552 | /* 30 */ { NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff }, | |
8553 | { NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff }, | |
8554 | { NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff }, | |
8555 | { NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 }, | |
8556 | { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 }, | |
8557 | { NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff }, | |
8558 | { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 }, | |
8559 | { NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f }, | |
8560 | ||
8561 | { 0xffffffff, 0, 0x00000000 } | |
8562 | }; | |
8563 | ||
8564 | if (!netif_running(bp->dev)) | |
8565 | return rc; | |
8566 | ||
8567 | /* Repeat the test twice: | |
8568 | First by writing 0x00000000, second by writing 0xffffffff */ | |
8569 | for (idx = 0; idx < 2; idx++) { | |
8570 | ||
8571 | switch (idx) { | |
8572 | case 0: | |
8573 | wr_val = 0; | |
8574 | break; | |
8575 | case 1: | |
8576 | wr_val = 0xffffffff; | |
8577 | break; | |
8578 | } | |
8579 | ||
8580 | for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) { | |
8581 | u32 offset, mask, save_val, val; | |
8582 | ||
8583 | offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1; | |
8584 | mask = reg_tbl[i].mask; | |
8585 | ||
8586 | save_val = REG_RD(bp, offset); | |
8587 | ||
8588 | REG_WR(bp, offset, wr_val); | |
8589 | val = REG_RD(bp, offset); | |
8590 | ||
8591 | /* Restore the original register's value */ | |
8592 | REG_WR(bp, offset, save_val); | |
8593 | ||
8594 | /* verify that value is as expected value */ | |
8595 | if ((val & mask) != (wr_val & mask)) | |
8596 | goto test_reg_exit; | |
8597 | } | |
8598 | } | |
8599 | ||
8600 | rc = 0; | |
8601 | ||
8602 | test_reg_exit: | |
8603 | return rc; | |
8604 | } | |
8605 | ||
8606 | static int bnx2x_test_memory(struct bnx2x *bp) | |
8607 | { | |
8608 | int i, j, rc = -ENODEV; | |
8609 | u32 val; | |
8610 | static const struct { | |
8611 | u32 offset; | |
8612 | int size; | |
8613 | } mem_tbl[] = { | |
8614 | { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE }, | |
8615 | { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE }, | |
8616 | { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE }, | |
8617 | { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE }, | |
8618 | { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE }, | |
8619 | { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE }, | |
8620 | { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE }, | |
8621 | ||
8622 | { 0xffffffff, 0 } | |
8623 | }; | |
8624 | static const struct { | |
8625 | char *name; | |
8626 | u32 offset; | |
8627 | u32 e1_mask; | |
8628 | u32 e1h_mask; | |
8629 | } prty_tbl[] = { | |
8630 | { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS, 0x3ffc0, 0 }, | |
8631 | { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS, 0x2, 0x2 }, | |
8632 | { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0, 0 }, | |
8633 | { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS, 0x3ffc0, 0 }, | |
8634 | { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS, 0x3ffc0, 0 }, | |
8635 | { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS, 0x3ffc1, 0 }, | |
8636 | ||
8637 | { NULL, 0xffffffff, 0, 0 } | |
8638 | }; | |
8639 | ||
8640 | if (!netif_running(bp->dev)) | |
8641 | return rc; | |
8642 | ||
8643 | /* Go through all the memories */ | |
8644 | for (i = 0; mem_tbl[i].offset != 0xffffffff; i++) | |
8645 | for (j = 0; j < mem_tbl[i].size; j++) | |
8646 | REG_RD(bp, mem_tbl[i].offset + j*4); | |
8647 | ||
8648 | /* Check the parity status */ | |
8649 | for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) { | |
8650 | val = REG_RD(bp, prty_tbl[i].offset); | |
8651 | if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) || | |
8652 | (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask)))) { | |
8653 | DP(NETIF_MSG_HW, | |
8654 | "%s is 0x%x\n", prty_tbl[i].name, val); | |
8655 | goto test_mem_exit; | |
8656 | } | |
8657 | } | |
8658 | ||
8659 | rc = 0; | |
8660 | ||
8661 | test_mem_exit: | |
8662 | return rc; | |
8663 | } | |
8664 | ||
8665 | static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up) | |
8666 | { | |
8667 | int cnt = 1000; | |
8668 | ||
8669 | if (link_up) | |
8670 | while (bnx2x_link_test(bp) && cnt--) | |
8671 | msleep(10); | |
8672 | } | |
8673 | ||
8674 | static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up) | |
8675 | { | |
8676 | unsigned int pkt_size, num_pkts, i; | |
8677 | struct sk_buff *skb; | |
8678 | unsigned char *packet; | |
8679 | struct bnx2x_fastpath *fp = &bp->fp[0]; | |
8680 | u16 tx_start_idx, tx_idx; | |
8681 | u16 rx_start_idx, rx_idx; | |
8682 | u16 pkt_prod; | |
8683 | struct sw_tx_bd *tx_buf; | |
8684 | struct eth_tx_bd *tx_bd; | |
8685 | dma_addr_t mapping; | |
8686 | union eth_rx_cqe *cqe; | |
8687 | u8 cqe_fp_flags; | |
8688 | struct sw_rx_bd *rx_buf; | |
8689 | u16 len; | |
8690 | int rc = -ENODEV; | |
8691 | ||
8692 | if (loopback_mode == BNX2X_MAC_LOOPBACK) { | |
8693 | bp->link_params.loopback_mode = LOOPBACK_BMAC; | |
8694 | bnx2x_acquire_phy_lock(bp); | |
8695 | bnx2x_phy_init(&bp->link_params, &bp->link_vars); | |
8696 | bnx2x_release_phy_lock(bp); | |
8697 | ||
8698 | } else if (loopback_mode == BNX2X_PHY_LOOPBACK) { | |
8699 | bp->link_params.loopback_mode = LOOPBACK_XGXS_10; | |
8700 | bnx2x_acquire_phy_lock(bp); | |
8701 | bnx2x_phy_init(&bp->link_params, &bp->link_vars); | |
8702 | bnx2x_release_phy_lock(bp); | |
8703 | /* wait until link state is restored */ | |
8704 | bnx2x_wait_for_link(bp, link_up); | |
8705 | ||
8706 | } else | |
8707 | return -EINVAL; | |
8708 | ||
8709 | pkt_size = 1514; | |
8710 | skb = netdev_alloc_skb(bp->dev, bp->rx_buf_size); | |
8711 | if (!skb) { | |
8712 | rc = -ENOMEM; | |
8713 | goto test_loopback_exit; | |
8714 | } | |
8715 | packet = skb_put(skb, pkt_size); | |
8716 | memcpy(packet, bp->dev->dev_addr, ETH_ALEN); | |
8717 | memset(packet + ETH_ALEN, 0, (ETH_HLEN - ETH_ALEN)); | |
8718 | for (i = ETH_HLEN; i < pkt_size; i++) | |
8719 | packet[i] = (unsigned char) (i & 0xff); | |
8720 | ||
8721 | num_pkts = 0; | |
8722 | tx_start_idx = le16_to_cpu(*fp->tx_cons_sb); | |
8723 | rx_start_idx = le16_to_cpu(*fp->rx_cons_sb); | |
8724 | ||
8725 | pkt_prod = fp->tx_pkt_prod++; | |
8726 | tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; | |
8727 | tx_buf->first_bd = fp->tx_bd_prod; | |
8728 | tx_buf->skb = skb; | |
8729 | ||
8730 | tx_bd = &fp->tx_desc_ring[TX_BD(fp->tx_bd_prod)]; | |
8731 | mapping = pci_map_single(bp->pdev, skb->data, | |
8732 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
8733 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
8734 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
8735 | tx_bd->nbd = cpu_to_le16(1); | |
8736 | tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); | |
8737 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
8738 | tx_bd->bd_flags.as_bitfield = (ETH_TX_BD_FLAGS_START_BD | | |
8739 | ETH_TX_BD_FLAGS_END_BD); | |
8740 | tx_bd->general_data = ((UNICAST_ADDRESS << | |
8741 | ETH_TX_BD_ETH_ADDR_TYPE_SHIFT) | 1); | |
8742 | ||
8743 | wmb(); | |
8744 | ||
8745 | fp->hw_tx_prods->bds_prod = | |
8746 | cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + 1); | |
8747 | mb(); /* FW restriction: must not reorder writing nbd and packets */ | |
8748 | fp->hw_tx_prods->packets_prod = | |
8749 | cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1); | |
8750 | DOORBELL(bp, FP_IDX(fp), 0); | |
8751 | ||
8752 | mmiowb(); | |
8753 | ||
8754 | num_pkts++; | |
8755 | fp->tx_bd_prod++; | |
8756 | bp->dev->trans_start = jiffies; | |
8757 | ||
8758 | udelay(100); | |
8759 | ||
8760 | tx_idx = le16_to_cpu(*fp->tx_cons_sb); | |
8761 | if (tx_idx != tx_start_idx + num_pkts) | |
8762 | goto test_loopback_exit; | |
8763 | ||
8764 | rx_idx = le16_to_cpu(*fp->rx_cons_sb); | |
8765 | if (rx_idx != rx_start_idx + num_pkts) | |
8766 | goto test_loopback_exit; | |
8767 | ||
8768 | cqe = &fp->rx_comp_ring[RCQ_BD(fp->rx_comp_cons)]; | |
8769 | cqe_fp_flags = cqe->fast_path_cqe.type_error_flags; | |
8770 | if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS)) | |
8771 | goto test_loopback_rx_exit; | |
8772 | ||
8773 | len = le16_to_cpu(cqe->fast_path_cqe.pkt_len); | |
8774 | if (len != pkt_size) | |
8775 | goto test_loopback_rx_exit; | |
8776 | ||
8777 | rx_buf = &fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)]; | |
8778 | skb = rx_buf->skb; | |
8779 | skb_reserve(skb, cqe->fast_path_cqe.placement_offset); | |
8780 | for (i = ETH_HLEN; i < pkt_size; i++) | |
8781 | if (*(skb->data + i) != (unsigned char) (i & 0xff)) | |
8782 | goto test_loopback_rx_exit; | |
8783 | ||
8784 | rc = 0; | |
8785 | ||
8786 | test_loopback_rx_exit: | |
8787 | ||
8788 | fp->rx_bd_cons = NEXT_RX_IDX(fp->rx_bd_cons); | |
8789 | fp->rx_bd_prod = NEXT_RX_IDX(fp->rx_bd_prod); | |
8790 | fp->rx_comp_cons = NEXT_RCQ_IDX(fp->rx_comp_cons); | |
8791 | fp->rx_comp_prod = NEXT_RCQ_IDX(fp->rx_comp_prod); | |
8792 | ||
8793 | /* Update producers */ | |
8794 | bnx2x_update_rx_prod(bp, fp, fp->rx_bd_prod, fp->rx_comp_prod, | |
8795 | fp->rx_sge_prod); | |
8796 | ||
8797 | test_loopback_exit: | |
8798 | bp->link_params.loopback_mode = LOOPBACK_NONE; | |
8799 | ||
8800 | return rc; | |
8801 | } | |
8802 | ||
8803 | static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up) | |
8804 | { | |
8805 | int rc = 0; | |
8806 | ||
8807 | if (!netif_running(bp->dev)) | |
8808 | return BNX2X_LOOPBACK_FAILED; | |
8809 | ||
8810 | bnx2x_netif_stop(bp, 1); | |
8811 | ||
8812 | if (bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up)) { | |
8813 | DP(NETIF_MSG_PROBE, "MAC loopback failed\n"); | |
8814 | rc |= BNX2X_MAC_LOOPBACK_FAILED; | |
8815 | } | |
8816 | ||
8817 | if (bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up)) { | |
8818 | DP(NETIF_MSG_PROBE, "PHY loopback failed\n"); | |
8819 | rc |= BNX2X_PHY_LOOPBACK_FAILED; | |
8820 | } | |
8821 | ||
8822 | bnx2x_netif_start(bp); | |
8823 | ||
8824 | return rc; | |
8825 | } | |
8826 | ||
8827 | #define CRC32_RESIDUAL 0xdebb20e3 | |
8828 | ||
8829 | static int bnx2x_test_nvram(struct bnx2x *bp) | |
8830 | { | |
8831 | static const struct { | |
8832 | int offset; | |
8833 | int size; | |
8834 | } nvram_tbl[] = { | |
8835 | { 0, 0x14 }, /* bootstrap */ | |
8836 | { 0x14, 0xec }, /* dir */ | |
8837 | { 0x100, 0x350 }, /* manuf_info */ | |
8838 | { 0x450, 0xf0 }, /* feature_info */ | |
8839 | { 0x640, 0x64 }, /* upgrade_key_info */ | |
8840 | { 0x6a4, 0x64 }, | |
8841 | { 0x708, 0x70 }, /* manuf_key_info */ | |
8842 | { 0x778, 0x70 }, | |
8843 | { 0, 0 } | |
8844 | }; | |
8845 | u32 buf[0x350 / 4]; | |
8846 | u8 *data = (u8 *)buf; | |
8847 | int i, rc; | |
8848 | u32 magic, csum; | |
8849 | ||
8850 | rc = bnx2x_nvram_read(bp, 0, data, 4); | |
8851 | if (rc) { | |
8852 | DP(NETIF_MSG_PROBE, "magic value read (rc -%d)\n", -rc); | |
8853 | goto test_nvram_exit; | |
8854 | } | |
8855 | ||
8856 | magic = be32_to_cpu(buf[0]); | |
8857 | if (magic != 0x669955aa) { | |
8858 | DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic); | |
8859 | rc = -ENODEV; | |
8860 | goto test_nvram_exit; | |
8861 | } | |
8862 | ||
8863 | for (i = 0; nvram_tbl[i].size; i++) { | |
8864 | ||
8865 | rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data, | |
8866 | nvram_tbl[i].size); | |
8867 | if (rc) { | |
8868 | DP(NETIF_MSG_PROBE, | |
8869 | "nvram_tbl[%d] read data (rc -%d)\n", i, -rc); | |
8870 | goto test_nvram_exit; | |
8871 | } | |
8872 | ||
8873 | csum = ether_crc_le(nvram_tbl[i].size, data); | |
8874 | if (csum != CRC32_RESIDUAL) { | |
8875 | DP(NETIF_MSG_PROBE, | |
8876 | "nvram_tbl[%d] csum value (0x%08x)\n", i, csum); | |
8877 | rc = -ENODEV; | |
8878 | goto test_nvram_exit; | |
8879 | } | |
8880 | } | |
8881 | ||
8882 | test_nvram_exit: | |
8883 | return rc; | |
8884 | } | |
8885 | ||
8886 | static int bnx2x_test_intr(struct bnx2x *bp) | |
8887 | { | |
8888 | struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config); | |
8889 | int i, rc; | |
8890 | ||
8891 | if (!netif_running(bp->dev)) | |
8892 | return -ENODEV; | |
8893 | ||
8894 | config->hdr.length_6b = 0; | |
8895 | config->hdr.offset = 0; | |
8896 | config->hdr.client_id = BP_CL_ID(bp); | |
8897 | config->hdr.reserved1 = 0; | |
8898 | ||
8899 | rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
8900 | U64_HI(bnx2x_sp_mapping(bp, mac_config)), | |
8901 | U64_LO(bnx2x_sp_mapping(bp, mac_config)), 0); | |
8902 | if (rc == 0) { | |
8903 | bp->set_mac_pending++; | |
8904 | for (i = 0; i < 10; i++) { | |
8905 | if (!bp->set_mac_pending) | |
8906 | break; | |
8907 | msleep_interruptible(10); | |
8908 | } | |
8909 | if (i == 10) | |
8910 | rc = -ENODEV; | |
8911 | } | |
8912 | ||
8913 | return rc; | |
8914 | } | |
8915 | ||
8916 | static void bnx2x_self_test(struct net_device *dev, | |
8917 | struct ethtool_test *etest, u64 *buf) | |
8918 | { | |
8919 | struct bnx2x *bp = netdev_priv(dev); | |
8920 | ||
8921 | memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS); | |
8922 | ||
8923 | if (!netif_running(dev)) | |
8924 | return; | |
8925 | ||
8926 | /* offline tests are not supported in MF mode */ | |
8927 | if (IS_E1HMF(bp)) | |
8928 | etest->flags &= ~ETH_TEST_FL_OFFLINE; | |
8929 | ||
8930 | if (etest->flags & ETH_TEST_FL_OFFLINE) { | |
8931 | u8 link_up; | |
8932 | ||
8933 | link_up = bp->link_vars.link_up; | |
8934 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
8935 | bnx2x_nic_load(bp, LOAD_DIAG); | |
8936 | /* wait until link state is restored */ | |
8937 | bnx2x_wait_for_link(bp, link_up); | |
8938 | ||
8939 | if (bnx2x_test_registers(bp) != 0) { | |
8940 | buf[0] = 1; | |
8941 | etest->flags |= ETH_TEST_FL_FAILED; | |
8942 | } | |
8943 | if (bnx2x_test_memory(bp) != 0) { | |
8944 | buf[1] = 1; | |
8945 | etest->flags |= ETH_TEST_FL_FAILED; | |
8946 | } | |
8947 | buf[2] = bnx2x_test_loopback(bp, link_up); | |
8948 | if (buf[2] != 0) | |
8949 | etest->flags |= ETH_TEST_FL_FAILED; | |
8950 | ||
8951 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
8952 | bnx2x_nic_load(bp, LOAD_NORMAL); | |
8953 | /* wait until link state is restored */ | |
8954 | bnx2x_wait_for_link(bp, link_up); | |
8955 | } | |
8956 | if (bnx2x_test_nvram(bp) != 0) { | |
8957 | buf[3] = 1; | |
8958 | etest->flags |= ETH_TEST_FL_FAILED; | |
8959 | } | |
8960 | if (bnx2x_test_intr(bp) != 0) { | |
8961 | buf[4] = 1; | |
8962 | etest->flags |= ETH_TEST_FL_FAILED; | |
8963 | } | |
8964 | if (bp->port.pmf) | |
8965 | if (bnx2x_link_test(bp) != 0) { | |
8966 | buf[5] = 1; | |
8967 | etest->flags |= ETH_TEST_FL_FAILED; | |
8968 | } | |
8969 | buf[7] = bnx2x_mc_assert(bp); | |
8970 | if (buf[7] != 0) | |
8971 | etest->flags |= ETH_TEST_FL_FAILED; | |
8972 | ||
8973 | #ifdef BNX2X_EXTRA_DEBUG | |
8974 | bnx2x_panic_dump(bp); | |
8975 | #endif | |
8976 | } | |
8977 | ||
8978 | static const struct { | |
8979 | long offset; | |
8980 | int size; | |
8981 | u32 flags; | |
8982 | #define STATS_FLAGS_PORT 1 | |
8983 | #define STATS_FLAGS_FUNC 2 | |
8984 | u8 string[ETH_GSTRING_LEN]; | |
8985 | } bnx2x_stats_arr[BNX2X_NUM_STATS] = { | |
8986 | /* 1 */ { STATS_OFFSET32(valid_bytes_received_hi), | |
8987 | 8, STATS_FLAGS_FUNC, "rx_bytes" }, | |
8988 | { STATS_OFFSET32(error_bytes_received_hi), | |
8989 | 8, STATS_FLAGS_FUNC, "rx_error_bytes" }, | |
8990 | { STATS_OFFSET32(total_bytes_transmitted_hi), | |
8991 | 8, STATS_FLAGS_FUNC, "tx_bytes" }, | |
8992 | { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi), | |
8993 | 8, STATS_FLAGS_PORT, "tx_error_bytes" }, | |
8994 | { STATS_OFFSET32(total_unicast_packets_received_hi), | |
8995 | 8, STATS_FLAGS_FUNC, "rx_ucast_packets" }, | |
8996 | { STATS_OFFSET32(total_multicast_packets_received_hi), | |
8997 | 8, STATS_FLAGS_FUNC, "rx_mcast_packets" }, | |
8998 | { STATS_OFFSET32(total_broadcast_packets_received_hi), | |
8999 | 8, STATS_FLAGS_FUNC, "rx_bcast_packets" }, | |
9000 | { STATS_OFFSET32(total_unicast_packets_transmitted_hi), | |
9001 | 8, STATS_FLAGS_FUNC, "tx_packets" }, | |
9002 | { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi), | |
9003 | 8, STATS_FLAGS_PORT, "tx_mac_errors" }, | |
9004 | /* 10 */{ STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi), | |
9005 | 8, STATS_FLAGS_PORT, "tx_carrier_errors" }, | |
9006 | { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi), | |
9007 | 8, STATS_FLAGS_PORT, "rx_crc_errors" }, | |
9008 | { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi), | |
9009 | 8, STATS_FLAGS_PORT, "rx_align_errors" }, | |
9010 | { STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi), | |
9011 | 8, STATS_FLAGS_PORT, "tx_single_collisions" }, | |
9012 | { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi), | |
9013 | 8, STATS_FLAGS_PORT, "tx_multi_collisions" }, | |
9014 | { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi), | |
9015 | 8, STATS_FLAGS_PORT, "tx_deferred" }, | |
9016 | { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi), | |
9017 | 8, STATS_FLAGS_PORT, "tx_excess_collisions" }, | |
9018 | { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi), | |
9019 | 8, STATS_FLAGS_PORT, "tx_late_collisions" }, | |
9020 | { STATS_OFFSET32(tx_stat_etherstatscollisions_hi), | |
9021 | 8, STATS_FLAGS_PORT, "tx_total_collisions" }, | |
9022 | { STATS_OFFSET32(rx_stat_etherstatsfragments_hi), | |
9023 | 8, STATS_FLAGS_PORT, "rx_fragments" }, | |
9024 | /* 20 */{ STATS_OFFSET32(rx_stat_etherstatsjabbers_hi), | |
9025 | 8, STATS_FLAGS_PORT, "rx_jabbers" }, | |
9026 | { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi), | |
9027 | 8, STATS_FLAGS_PORT, "rx_undersize_packets" }, | |
9028 | { STATS_OFFSET32(jabber_packets_received), | |
9029 | 4, STATS_FLAGS_FUNC, "rx_oversize_packets" }, | |
9030 | { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi), | |
9031 | 8, STATS_FLAGS_PORT, "tx_64_byte_packets" }, | |
9032 | { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi), | |
9033 | 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" }, | |
9034 | { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi), | |
9035 | 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" }, | |
9036 | { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi), | |
9037 | 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" }, | |
9038 | { STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi), | |
9039 | 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" }, | |
9040 | { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi), | |
9041 | 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" }, | |
9042 | { STATS_OFFSET32(etherstatspktsover1522octets_hi), | |
9043 | 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" }, | |
9044 | /* 30 */{ STATS_OFFSET32(rx_stat_xonpauseframesreceived_hi), | |
9045 | 8, STATS_FLAGS_PORT, "rx_xon_frames" }, | |
9046 | { STATS_OFFSET32(rx_stat_xoffpauseframesreceived_hi), | |
9047 | 8, STATS_FLAGS_PORT, "rx_xoff_frames" }, | |
9048 | { STATS_OFFSET32(tx_stat_outxonsent_hi), | |
9049 | 8, STATS_FLAGS_PORT, "tx_xon_frames" }, | |
9050 | { STATS_OFFSET32(tx_stat_outxoffsent_hi), | |
9051 | 8, STATS_FLAGS_PORT, "tx_xoff_frames" }, | |
9052 | { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi), | |
9053 | 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" }, | |
9054 | { STATS_OFFSET32(mac_filter_discard), | |
9055 | 4, STATS_FLAGS_PORT, "rx_filtered_packets" }, | |
9056 | { STATS_OFFSET32(no_buff_discard), | |
9057 | 4, STATS_FLAGS_FUNC, "rx_discards" }, | |
9058 | { STATS_OFFSET32(xxoverflow_discard), | |
9059 | 4, STATS_FLAGS_PORT, "rx_fw_discards" }, | |
9060 | { STATS_OFFSET32(brb_drop_hi), | |
9061 | 8, STATS_FLAGS_PORT, "brb_discard" }, | |
9062 | { STATS_OFFSET32(brb_truncate_hi), | |
9063 | 8, STATS_FLAGS_PORT, "brb_truncate" }, | |
9064 | /* 40 */{ STATS_OFFSET32(rx_err_discard_pkt), | |
9065 | 4, STATS_FLAGS_FUNC, "rx_phy_ip_err_discards"}, | |
9066 | { STATS_OFFSET32(rx_skb_alloc_failed), | |
9067 | 4, STATS_FLAGS_FUNC, "rx_skb_alloc_discard" }, | |
9068 | /* 42 */{ STATS_OFFSET32(hw_csum_err), | |
9069 | 4, STATS_FLAGS_FUNC, "rx_csum_offload_errors" } | |
9070 | }; | |
9071 | ||
9072 | #define IS_NOT_E1HMF_STAT(bp, i) \ | |
9073 | (IS_E1HMF(bp) && (bnx2x_stats_arr[i].flags & STATS_FLAGS_PORT)) | |
9074 | ||
9075 | static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf) | |
9076 | { | |
9077 | struct bnx2x *bp = netdev_priv(dev); | |
9078 | int i, j; | |
9079 | ||
9080 | switch (stringset) { | |
9081 | case ETH_SS_STATS: | |
9082 | for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { | |
9083 | if (IS_NOT_E1HMF_STAT(bp, i)) | |
9084 | continue; | |
9085 | strcpy(buf + j*ETH_GSTRING_LEN, | |
9086 | bnx2x_stats_arr[i].string); | |
9087 | j++; | |
9088 | } | |
9089 | break; | |
9090 | ||
9091 | case ETH_SS_TEST: | |
9092 | memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr)); | |
9093 | break; | |
9094 | } | |
9095 | } | |
9096 | ||
9097 | static int bnx2x_get_stats_count(struct net_device *dev) | |
9098 | { | |
9099 | struct bnx2x *bp = netdev_priv(dev); | |
9100 | int i, num_stats = 0; | |
9101 | ||
9102 | for (i = 0; i < BNX2X_NUM_STATS; i++) { | |
9103 | if (IS_NOT_E1HMF_STAT(bp, i)) | |
9104 | continue; | |
9105 | num_stats++; | |
9106 | } | |
9107 | return num_stats; | |
9108 | } | |
9109 | ||
9110 | static void bnx2x_get_ethtool_stats(struct net_device *dev, | |
9111 | struct ethtool_stats *stats, u64 *buf) | |
9112 | { | |
9113 | struct bnx2x *bp = netdev_priv(dev); | |
9114 | u32 *hw_stats = (u32 *)&bp->eth_stats; | |
9115 | int i, j; | |
9116 | ||
9117 | for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) { | |
9118 | if (IS_NOT_E1HMF_STAT(bp, i)) | |
9119 | continue; | |
9120 | ||
9121 | if (bnx2x_stats_arr[i].size == 0) { | |
9122 | /* skip this counter */ | |
9123 | buf[j] = 0; | |
9124 | j++; | |
9125 | continue; | |
9126 | } | |
9127 | if (bnx2x_stats_arr[i].size == 4) { | |
9128 | /* 4-byte counter */ | |
9129 | buf[j] = (u64) *(hw_stats + bnx2x_stats_arr[i].offset); | |
9130 | j++; | |
9131 | continue; | |
9132 | } | |
9133 | /* 8-byte counter */ | |
9134 | buf[j] = HILO_U64(*(hw_stats + bnx2x_stats_arr[i].offset), | |
9135 | *(hw_stats + bnx2x_stats_arr[i].offset + 1)); | |
9136 | j++; | |
9137 | } | |
9138 | } | |
9139 | ||
9140 | static int bnx2x_phys_id(struct net_device *dev, u32 data) | |
9141 | { | |
9142 | struct bnx2x *bp = netdev_priv(dev); | |
9143 | int port = BP_PORT(bp); | |
9144 | int i; | |
9145 | ||
9146 | if (!netif_running(dev)) | |
9147 | return 0; | |
9148 | ||
9149 | if (!bp->port.pmf) | |
9150 | return 0; | |
9151 | ||
9152 | if (data == 0) | |
9153 | data = 2; | |
9154 | ||
9155 | for (i = 0; i < (data * 2); i++) { | |
9156 | if ((i % 2) == 0) | |
9157 | bnx2x_set_led(bp, port, LED_MODE_OPER, SPEED_1000, | |
9158 | bp->link_params.hw_led_mode, | |
9159 | bp->link_params.chip_id); | |
9160 | else | |
9161 | bnx2x_set_led(bp, port, LED_MODE_OFF, 0, | |
9162 | bp->link_params.hw_led_mode, | |
9163 | bp->link_params.chip_id); | |
9164 | ||
9165 | msleep_interruptible(500); | |
9166 | if (signal_pending(current)) | |
9167 | break; | |
9168 | } | |
9169 | ||
9170 | if (bp->link_vars.link_up) | |
9171 | bnx2x_set_led(bp, port, LED_MODE_OPER, | |
9172 | bp->link_vars.line_speed, | |
9173 | bp->link_params.hw_led_mode, | |
9174 | bp->link_params.chip_id); | |
9175 | ||
9176 | return 0; | |
9177 | } | |
9178 | ||
9179 | static struct ethtool_ops bnx2x_ethtool_ops = { | |
9180 | .get_settings = bnx2x_get_settings, | |
9181 | .set_settings = bnx2x_set_settings, | |
9182 | .get_drvinfo = bnx2x_get_drvinfo, | |
9183 | .get_wol = bnx2x_get_wol, | |
9184 | .set_wol = bnx2x_set_wol, | |
9185 | .get_msglevel = bnx2x_get_msglevel, | |
9186 | .set_msglevel = bnx2x_set_msglevel, | |
9187 | .nway_reset = bnx2x_nway_reset, | |
9188 | .get_link = ethtool_op_get_link, | |
9189 | .get_eeprom_len = bnx2x_get_eeprom_len, | |
9190 | .get_eeprom = bnx2x_get_eeprom, | |
9191 | .set_eeprom = bnx2x_set_eeprom, | |
9192 | .get_coalesce = bnx2x_get_coalesce, | |
9193 | .set_coalesce = bnx2x_set_coalesce, | |
9194 | .get_ringparam = bnx2x_get_ringparam, | |
9195 | .set_ringparam = bnx2x_set_ringparam, | |
9196 | .get_pauseparam = bnx2x_get_pauseparam, | |
9197 | .set_pauseparam = bnx2x_set_pauseparam, | |
9198 | .get_rx_csum = bnx2x_get_rx_csum, | |
9199 | .set_rx_csum = bnx2x_set_rx_csum, | |
9200 | .get_tx_csum = ethtool_op_get_tx_csum, | |
9201 | .set_tx_csum = ethtool_op_set_tx_hw_csum, | |
9202 | .set_flags = bnx2x_set_flags, | |
9203 | .get_flags = ethtool_op_get_flags, | |
9204 | .get_sg = ethtool_op_get_sg, | |
9205 | .set_sg = ethtool_op_set_sg, | |
9206 | .get_tso = ethtool_op_get_tso, | |
9207 | .set_tso = bnx2x_set_tso, | |
9208 | .self_test_count = bnx2x_self_test_count, | |
9209 | .self_test = bnx2x_self_test, | |
9210 | .get_strings = bnx2x_get_strings, | |
9211 | .phys_id = bnx2x_phys_id, | |
9212 | .get_stats_count = bnx2x_get_stats_count, | |
9213 | .get_ethtool_stats = bnx2x_get_ethtool_stats, | |
9214 | }; | |
9215 | ||
9216 | /* end of ethtool_ops */ | |
9217 | ||
9218 | /**************************************************************************** | |
9219 | * General service functions | |
9220 | ****************************************************************************/ | |
9221 | ||
9222 | static int bnx2x_set_power_state(struct bnx2x *bp, pci_power_t state) | |
9223 | { | |
9224 | u16 pmcsr; | |
9225 | ||
9226 | pci_read_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, &pmcsr); | |
9227 | ||
9228 | switch (state) { | |
9229 | case PCI_D0: | |
9230 | pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, | |
9231 | ((pmcsr & ~PCI_PM_CTRL_STATE_MASK) | | |
9232 | PCI_PM_CTRL_PME_STATUS)); | |
9233 | ||
9234 | if (pmcsr & PCI_PM_CTRL_STATE_MASK) | |
9235 | /* delay required during transition out of D3hot */ | |
9236 | msleep(20); | |
9237 | break; | |
9238 | ||
9239 | case PCI_D3hot: | |
9240 | pmcsr &= ~PCI_PM_CTRL_STATE_MASK; | |
9241 | pmcsr |= 3; | |
9242 | ||
9243 | if (bp->wol) | |
9244 | pmcsr |= PCI_PM_CTRL_PME_ENABLE; | |
9245 | ||
9246 | pci_write_config_word(bp->pdev, bp->pm_cap + PCI_PM_CTRL, | |
9247 | pmcsr); | |
9248 | ||
9249 | /* No more memory access after this point until | |
9250 | * device is brought back to D0. | |
9251 | */ | |
9252 | break; | |
9253 | ||
9254 | default: | |
9255 | return -EINVAL; | |
9256 | } | |
9257 | return 0; | |
9258 | } | |
9259 | ||
9260 | /* | |
9261 | * net_device service functions | |
9262 | */ | |
9263 | ||
9264 | static int bnx2x_poll(struct napi_struct *napi, int budget) | |
9265 | { | |
9266 | struct bnx2x_fastpath *fp = container_of(napi, struct bnx2x_fastpath, | |
9267 | napi); | |
9268 | struct bnx2x *bp = fp->bp; | |
9269 | int work_done = 0; | |
9270 | u16 rx_cons_sb; | |
9271 | ||
9272 | #ifdef BNX2X_STOP_ON_ERROR | |
9273 | if (unlikely(bp->panic)) | |
9274 | goto poll_panic; | |
9275 | #endif | |
9276 | ||
9277 | prefetch(fp->tx_buf_ring[TX_BD(fp->tx_pkt_cons)].skb); | |
9278 | prefetch(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb); | |
9279 | prefetch((char *)(fp->rx_buf_ring[RX_BD(fp->rx_bd_cons)].skb) + 256); | |
9280 | ||
9281 | bnx2x_update_fpsb_idx(fp); | |
9282 | ||
9283 | if (BNX2X_HAS_TX_WORK(fp)) | |
9284 | bnx2x_tx_int(fp, budget); | |
9285 | ||
9286 | rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); | |
9287 | if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
9288 | rx_cons_sb++; | |
9289 | if (BNX2X_HAS_RX_WORK(fp)) | |
9290 | work_done = bnx2x_rx_int(fp, budget); | |
9291 | ||
9292 | rmb(); /* BNX2X_HAS_WORK() reads the status block */ | |
9293 | rx_cons_sb = le16_to_cpu(*fp->rx_cons_sb); | |
9294 | if ((rx_cons_sb & MAX_RCQ_DESC_CNT) == MAX_RCQ_DESC_CNT) | |
9295 | rx_cons_sb++; | |
9296 | ||
9297 | /* must not complete if we consumed full budget */ | |
9298 | if ((work_done < budget) && !BNX2X_HAS_WORK(fp)) { | |
9299 | ||
9300 | #ifdef BNX2X_STOP_ON_ERROR | |
9301 | poll_panic: | |
9302 | #endif | |
9303 | netif_rx_complete(napi); | |
9304 | ||
9305 | bnx2x_ack_sb(bp, FP_SB_ID(fp), USTORM_ID, | |
9306 | le16_to_cpu(fp->fp_u_idx), IGU_INT_NOP, 1); | |
9307 | bnx2x_ack_sb(bp, FP_SB_ID(fp), CSTORM_ID, | |
9308 | le16_to_cpu(fp->fp_c_idx), IGU_INT_ENABLE, 1); | |
9309 | } | |
9310 | return work_done; | |
9311 | } | |
9312 | ||
9313 | ||
9314 | /* we split the first BD into headers and data BDs | |
9315 | * to ease the pain of our fellow microcode engineers | |
9316 | * we use one mapping for both BDs | |
9317 | * So far this has only been observed to happen | |
9318 | * in Other Operating Systems(TM) | |
9319 | */ | |
9320 | static noinline u16 bnx2x_tx_split(struct bnx2x *bp, | |
9321 | struct bnx2x_fastpath *fp, | |
9322 | struct eth_tx_bd **tx_bd, u16 hlen, | |
9323 | u16 bd_prod, int nbd) | |
9324 | { | |
9325 | struct eth_tx_bd *h_tx_bd = *tx_bd; | |
9326 | struct eth_tx_bd *d_tx_bd; | |
9327 | dma_addr_t mapping; | |
9328 | int old_len = le16_to_cpu(h_tx_bd->nbytes); | |
9329 | ||
9330 | /* first fix first BD */ | |
9331 | h_tx_bd->nbd = cpu_to_le16(nbd); | |
9332 | h_tx_bd->nbytes = cpu_to_le16(hlen); | |
9333 | ||
9334 | DP(NETIF_MSG_TX_QUEUED, "TSO split header size is %d " | |
9335 | "(%x:%x) nbd %d\n", h_tx_bd->nbytes, h_tx_bd->addr_hi, | |
9336 | h_tx_bd->addr_lo, h_tx_bd->nbd); | |
9337 | ||
9338 | /* now get a new data BD | |
9339 | * (after the pbd) and fill it */ | |
9340 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
9341 | d_tx_bd = &fp->tx_desc_ring[bd_prod]; | |
9342 | ||
9343 | mapping = HILO_U64(le32_to_cpu(h_tx_bd->addr_hi), | |
9344 | le32_to_cpu(h_tx_bd->addr_lo)) + hlen; | |
9345 | ||
9346 | d_tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
9347 | d_tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
9348 | d_tx_bd->nbytes = cpu_to_le16(old_len - hlen); | |
9349 | d_tx_bd->vlan = 0; | |
9350 | /* this marks the BD as one that has no individual mapping | |
9351 | * the FW ignores this flag in a BD not marked start | |
9352 | */ | |
9353 | d_tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_SW_LSO; | |
9354 | DP(NETIF_MSG_TX_QUEUED, | |
9355 | "TSO split data size is %d (%x:%x)\n", | |
9356 | d_tx_bd->nbytes, d_tx_bd->addr_hi, d_tx_bd->addr_lo); | |
9357 | ||
9358 | /* update tx_bd for marking the last BD flag */ | |
9359 | *tx_bd = d_tx_bd; | |
9360 | ||
9361 | return bd_prod; | |
9362 | } | |
9363 | ||
9364 | static inline u16 bnx2x_csum_fix(unsigned char *t_header, u16 csum, s8 fix) | |
9365 | { | |
9366 | if (fix > 0) | |
9367 | csum = (u16) ~csum_fold(csum_sub(csum, | |
9368 | csum_partial(t_header - fix, fix, 0))); | |
9369 | ||
9370 | else if (fix < 0) | |
9371 | csum = (u16) ~csum_fold(csum_add(csum, | |
9372 | csum_partial(t_header, -fix, 0))); | |
9373 | ||
9374 | return swab16(csum); | |
9375 | } | |
9376 | ||
9377 | static inline u32 bnx2x_xmit_type(struct bnx2x *bp, struct sk_buff *skb) | |
9378 | { | |
9379 | u32 rc; | |
9380 | ||
9381 | if (skb->ip_summed != CHECKSUM_PARTIAL) | |
9382 | rc = XMIT_PLAIN; | |
9383 | ||
9384 | else { | |
9385 | if (skb->protocol == ntohs(ETH_P_IPV6)) { | |
9386 | rc = XMIT_CSUM_V6; | |
9387 | if (ipv6_hdr(skb)->nexthdr == IPPROTO_TCP) | |
9388 | rc |= XMIT_CSUM_TCP; | |
9389 | ||
9390 | } else { | |
9391 | rc = XMIT_CSUM_V4; | |
9392 | if (ip_hdr(skb)->protocol == IPPROTO_TCP) | |
9393 | rc |= XMIT_CSUM_TCP; | |
9394 | } | |
9395 | } | |
9396 | ||
9397 | if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV4) | |
9398 | rc |= XMIT_GSO_V4; | |
9399 | ||
9400 | else if (skb_shinfo(skb)->gso_type & SKB_GSO_TCPV6) | |
9401 | rc |= XMIT_GSO_V6; | |
9402 | ||
9403 | return rc; | |
9404 | } | |
9405 | ||
9406 | /* check if packet requires linearization (packet is too fragmented) */ | |
9407 | static int bnx2x_pkt_req_lin(struct bnx2x *bp, struct sk_buff *skb, | |
9408 | u32 xmit_type) | |
9409 | { | |
9410 | int to_copy = 0; | |
9411 | int hlen = 0; | |
9412 | int first_bd_sz = 0; | |
9413 | ||
9414 | /* 3 = 1 (for linear data BD) + 2 (for PBD and last BD) */ | |
9415 | if (skb_shinfo(skb)->nr_frags >= (MAX_FETCH_BD - 3)) { | |
9416 | ||
9417 | if (xmit_type & XMIT_GSO) { | |
9418 | unsigned short lso_mss = skb_shinfo(skb)->gso_size; | |
9419 | /* Check if LSO packet needs to be copied: | |
9420 | 3 = 1 (for headers BD) + 2 (for PBD and last BD) */ | |
9421 | int wnd_size = MAX_FETCH_BD - 3; | |
9422 | /* Number of windows to check */ | |
9423 | int num_wnds = skb_shinfo(skb)->nr_frags - wnd_size; | |
9424 | int wnd_idx = 0; | |
9425 | int frag_idx = 0; | |
9426 | u32 wnd_sum = 0; | |
9427 | ||
9428 | /* Headers length */ | |
9429 | hlen = (int)(skb_transport_header(skb) - skb->data) + | |
9430 | tcp_hdrlen(skb); | |
9431 | ||
9432 | /* Amount of data (w/o headers) on linear part of SKB*/ | |
9433 | first_bd_sz = skb_headlen(skb) - hlen; | |
9434 | ||
9435 | wnd_sum = first_bd_sz; | |
9436 | ||
9437 | /* Calculate the first sum - it's special */ | |
9438 | for (frag_idx = 0; frag_idx < wnd_size - 1; frag_idx++) | |
9439 | wnd_sum += | |
9440 | skb_shinfo(skb)->frags[frag_idx].size; | |
9441 | ||
9442 | /* If there was data on linear skb data - check it */ | |
9443 | if (first_bd_sz > 0) { | |
9444 | if (unlikely(wnd_sum < lso_mss)) { | |
9445 | to_copy = 1; | |
9446 | goto exit_lbl; | |
9447 | } | |
9448 | ||
9449 | wnd_sum -= first_bd_sz; | |
9450 | } | |
9451 | ||
9452 | /* Others are easier: run through the frag list and | |
9453 | check all windows */ | |
9454 | for (wnd_idx = 0; wnd_idx <= num_wnds; wnd_idx++) { | |
9455 | wnd_sum += | |
9456 | skb_shinfo(skb)->frags[wnd_idx + wnd_size - 1].size; | |
9457 | ||
9458 | if (unlikely(wnd_sum < lso_mss)) { | |
9459 | to_copy = 1; | |
9460 | break; | |
9461 | } | |
9462 | wnd_sum -= | |
9463 | skb_shinfo(skb)->frags[wnd_idx].size; | |
9464 | } | |
9465 | ||
9466 | } else { | |
9467 | /* in non-LSO too fragmented packet should always | |
9468 | be linearized */ | |
9469 | to_copy = 1; | |
9470 | } | |
9471 | } | |
9472 | ||
9473 | exit_lbl: | |
9474 | if (unlikely(to_copy)) | |
9475 | DP(NETIF_MSG_TX_QUEUED, | |
9476 | "Linearization IS REQUIRED for %s packet. " | |
9477 | "num_frags %d hlen %d first_bd_sz %d\n", | |
9478 | (xmit_type & XMIT_GSO) ? "LSO" : "non-LSO", | |
9479 | skb_shinfo(skb)->nr_frags, hlen, first_bd_sz); | |
9480 | ||
9481 | return to_copy; | |
9482 | } | |
9483 | ||
9484 | /* called with netif_tx_lock | |
9485 | * bnx2x_tx_int() runs without netif_tx_lock unless it needs to call | |
9486 | * netif_wake_queue() | |
9487 | */ | |
9488 | static int bnx2x_start_xmit(struct sk_buff *skb, struct net_device *dev) | |
9489 | { | |
9490 | struct bnx2x *bp = netdev_priv(dev); | |
9491 | struct bnx2x_fastpath *fp; | |
9492 | struct sw_tx_bd *tx_buf; | |
9493 | struct eth_tx_bd *tx_bd; | |
9494 | struct eth_tx_parse_bd *pbd = NULL; | |
9495 | u16 pkt_prod, bd_prod; | |
9496 | int nbd, fp_index; | |
9497 | dma_addr_t mapping; | |
9498 | u32 xmit_type = bnx2x_xmit_type(bp, skb); | |
9499 | int vlan_off = (bp->e1hov ? 4 : 0); | |
9500 | int i; | |
9501 | u8 hlen = 0; | |
9502 | ||
9503 | #ifdef BNX2X_STOP_ON_ERROR | |
9504 | if (unlikely(bp->panic)) | |
9505 | return NETDEV_TX_BUSY; | |
9506 | #endif | |
9507 | ||
9508 | fp_index = (smp_processor_id() % bp->num_queues); | |
9509 | fp = &bp->fp[fp_index]; | |
9510 | ||
9511 | if (unlikely(bnx2x_tx_avail(fp) < (skb_shinfo(skb)->nr_frags + 3))) { | |
9512 | bp->eth_stats.driver_xoff++, | |
9513 | netif_stop_queue(dev); | |
9514 | BNX2X_ERR("BUG! Tx ring full when queue awake!\n"); | |
9515 | return NETDEV_TX_BUSY; | |
9516 | } | |
9517 | ||
9518 | DP(NETIF_MSG_TX_QUEUED, "SKB: summed %x protocol %x protocol(%x,%x)" | |
9519 | " gso type %x xmit_type %x\n", | |
9520 | skb->ip_summed, skb->protocol, ipv6_hdr(skb)->nexthdr, | |
9521 | ip_hdr(skb)->protocol, skb_shinfo(skb)->gso_type, xmit_type); | |
9522 | ||
9523 | /* First, check if we need to linearize the skb | |
9524 | (due to FW restrictions) */ | |
9525 | if (bnx2x_pkt_req_lin(bp, skb, xmit_type)) { | |
9526 | /* Statistics of linearization */ | |
9527 | bp->lin_cnt++; | |
9528 | if (skb_linearize(skb) != 0) { | |
9529 | DP(NETIF_MSG_TX_QUEUED, "SKB linearization failed - " | |
9530 | "silently dropping this SKB\n"); | |
9531 | dev_kfree_skb_any(skb); | |
9532 | return NETDEV_TX_OK; | |
9533 | } | |
9534 | } | |
9535 | ||
9536 | /* | |
9537 | Please read carefully. First we use one BD which we mark as start, | |
9538 | then for TSO or xsum we have a parsing info BD, | |
9539 | and only then we have the rest of the TSO BDs. | |
9540 | (don't forget to mark the last one as last, | |
9541 | and to unmap only AFTER you write to the BD ...) | |
9542 | And above all, all pdb sizes are in words - NOT DWORDS! | |
9543 | */ | |
9544 | ||
9545 | pkt_prod = fp->tx_pkt_prod++; | |
9546 | bd_prod = TX_BD(fp->tx_bd_prod); | |
9547 | ||
9548 | /* get a tx_buf and first BD */ | |
9549 | tx_buf = &fp->tx_buf_ring[TX_BD(pkt_prod)]; | |
9550 | tx_bd = &fp->tx_desc_ring[bd_prod]; | |
9551 | ||
9552 | tx_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD; | |
9553 | tx_bd->general_data = (UNICAST_ADDRESS << | |
9554 | ETH_TX_BD_ETH_ADDR_TYPE_SHIFT); | |
9555 | /* header nbd */ | |
9556 | tx_bd->general_data |= (1 << ETH_TX_BD_HDR_NBDS_SHIFT); | |
9557 | ||
9558 | /* remember the first BD of the packet */ | |
9559 | tx_buf->first_bd = fp->tx_bd_prod; | |
9560 | tx_buf->skb = skb; | |
9561 | ||
9562 | DP(NETIF_MSG_TX_QUEUED, | |
9563 | "sending pkt %u @%p next_idx %u bd %u @%p\n", | |
9564 | pkt_prod, tx_buf, fp->tx_pkt_prod, bd_prod, tx_bd); | |
9565 | ||
9566 | if ((bp->vlgrp != NULL) && vlan_tx_tag_present(skb)) { | |
9567 | tx_bd->vlan = cpu_to_le16(vlan_tx_tag_get(skb)); | |
9568 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_VLAN_TAG; | |
9569 | vlan_off += 4; | |
9570 | } else | |
9571 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
9572 | ||
9573 | if (xmit_type) { | |
9574 | /* turn on parsing and get a BD */ | |
9575 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
9576 | pbd = (void *)&fp->tx_desc_ring[bd_prod]; | |
9577 | ||
9578 | memset(pbd, 0, sizeof(struct eth_tx_parse_bd)); | |
9579 | } | |
9580 | ||
9581 | if (xmit_type & XMIT_CSUM) { | |
9582 | hlen = (skb_network_header(skb) - skb->data + vlan_off) / 2; | |
9583 | ||
9584 | /* for now NS flag is not used in Linux */ | |
9585 | pbd->global_data = (hlen | | |
9586 | ((skb->protocol == ntohs(ETH_P_8021Q)) << | |
9587 | ETH_TX_PARSE_BD_LLC_SNAP_EN_SHIFT)); | |
9588 | ||
9589 | pbd->ip_hlen = (skb_transport_header(skb) - | |
9590 | skb_network_header(skb)) / 2; | |
9591 | ||
9592 | hlen += pbd->ip_hlen + tcp_hdrlen(skb) / 2; | |
9593 | ||
9594 | pbd->total_hlen = cpu_to_le16(hlen); | |
9595 | hlen = hlen*2 - vlan_off; | |
9596 | ||
9597 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_TCP_CSUM; | |
9598 | ||
9599 | if (xmit_type & XMIT_CSUM_V4) | |
9600 | tx_bd->bd_flags.as_bitfield |= | |
9601 | ETH_TX_BD_FLAGS_IP_CSUM; | |
9602 | else | |
9603 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_IPV6; | |
9604 | ||
9605 | if (xmit_type & XMIT_CSUM_TCP) { | |
9606 | pbd->tcp_pseudo_csum = swab16(tcp_hdr(skb)->check); | |
9607 | ||
9608 | } else { | |
9609 | s8 fix = SKB_CS_OFF(skb); /* signed! */ | |
9610 | ||
9611 | pbd->global_data |= ETH_TX_PARSE_BD_CS_ANY_FLG; | |
9612 | pbd->cs_offset = fix / 2; | |
9613 | ||
9614 | DP(NETIF_MSG_TX_QUEUED, | |
9615 | "hlen %d offset %d fix %d csum before fix %x\n", | |
9616 | le16_to_cpu(pbd->total_hlen), pbd->cs_offset, fix, | |
9617 | SKB_CS(skb)); | |
9618 | ||
9619 | /* HW bug: fixup the CSUM */ | |
9620 | pbd->tcp_pseudo_csum = | |
9621 | bnx2x_csum_fix(skb_transport_header(skb), | |
9622 | SKB_CS(skb), fix); | |
9623 | ||
9624 | DP(NETIF_MSG_TX_QUEUED, "csum after fix %x\n", | |
9625 | pbd->tcp_pseudo_csum); | |
9626 | } | |
9627 | } | |
9628 | ||
9629 | mapping = pci_map_single(bp->pdev, skb->data, | |
9630 | skb_headlen(skb), PCI_DMA_TODEVICE); | |
9631 | ||
9632 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
9633 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
9634 | nbd = skb_shinfo(skb)->nr_frags + ((pbd == NULL) ? 1 : 2); | |
9635 | tx_bd->nbd = cpu_to_le16(nbd); | |
9636 | tx_bd->nbytes = cpu_to_le16(skb_headlen(skb)); | |
9637 | ||
9638 | DP(NETIF_MSG_TX_QUEUED, "first bd @%p addr (%x:%x) nbd %d" | |
9639 | " nbytes %d flags %x vlan %x\n", | |
9640 | tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, le16_to_cpu(tx_bd->nbd), | |
9641 | le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield, | |
9642 | le16_to_cpu(tx_bd->vlan)); | |
9643 | ||
9644 | if (xmit_type & XMIT_GSO) { | |
9645 | ||
9646 | DP(NETIF_MSG_TX_QUEUED, | |
9647 | "TSO packet len %d hlen %d total len %d tso size %d\n", | |
9648 | skb->len, hlen, skb_headlen(skb), | |
9649 | skb_shinfo(skb)->gso_size); | |
9650 | ||
9651 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_SW_LSO; | |
9652 | ||
9653 | if (unlikely(skb_headlen(skb) > hlen)) | |
9654 | bd_prod = bnx2x_tx_split(bp, fp, &tx_bd, hlen, | |
9655 | bd_prod, ++nbd); | |
9656 | ||
9657 | pbd->lso_mss = cpu_to_le16(skb_shinfo(skb)->gso_size); | |
9658 | pbd->tcp_send_seq = swab32(tcp_hdr(skb)->seq); | |
9659 | pbd->tcp_flags = pbd_tcp_flags(skb); | |
9660 | ||
9661 | if (xmit_type & XMIT_GSO_V4) { | |
9662 | pbd->ip_id = swab16(ip_hdr(skb)->id); | |
9663 | pbd->tcp_pseudo_csum = | |
9664 | swab16(~csum_tcpudp_magic(ip_hdr(skb)->saddr, | |
9665 | ip_hdr(skb)->daddr, | |
9666 | 0, IPPROTO_TCP, 0)); | |
9667 | ||
9668 | } else | |
9669 | pbd->tcp_pseudo_csum = | |
9670 | swab16(~csum_ipv6_magic(&ipv6_hdr(skb)->saddr, | |
9671 | &ipv6_hdr(skb)->daddr, | |
9672 | 0, IPPROTO_TCP, 0)); | |
9673 | ||
9674 | pbd->global_data |= ETH_TX_PARSE_BD_PSEUDO_CS_WITHOUT_LEN; | |
9675 | } | |
9676 | ||
9677 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { | |
9678 | skb_frag_t *frag = &skb_shinfo(skb)->frags[i]; | |
9679 | ||
9680 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
9681 | tx_bd = &fp->tx_desc_ring[bd_prod]; | |
9682 | ||
9683 | mapping = pci_map_page(bp->pdev, frag->page, frag->page_offset, | |
9684 | frag->size, PCI_DMA_TODEVICE); | |
9685 | ||
9686 | tx_bd->addr_hi = cpu_to_le32(U64_HI(mapping)); | |
9687 | tx_bd->addr_lo = cpu_to_le32(U64_LO(mapping)); | |
9688 | tx_bd->nbytes = cpu_to_le16(frag->size); | |
9689 | tx_bd->vlan = cpu_to_le16(pkt_prod); | |
9690 | tx_bd->bd_flags.as_bitfield = 0; | |
9691 | ||
9692 | DP(NETIF_MSG_TX_QUEUED, | |
9693 | "frag %d bd @%p addr (%x:%x) nbytes %d flags %x\n", | |
9694 | i, tx_bd, tx_bd->addr_hi, tx_bd->addr_lo, | |
9695 | le16_to_cpu(tx_bd->nbytes), tx_bd->bd_flags.as_bitfield); | |
9696 | } | |
9697 | ||
9698 | /* now at last mark the BD as the last BD */ | |
9699 | tx_bd->bd_flags.as_bitfield |= ETH_TX_BD_FLAGS_END_BD; | |
9700 | ||
9701 | DP(NETIF_MSG_TX_QUEUED, "last bd @%p flags %x\n", | |
9702 | tx_bd, tx_bd->bd_flags.as_bitfield); | |
9703 | ||
9704 | bd_prod = TX_BD(NEXT_TX_IDX(bd_prod)); | |
9705 | ||
9706 | /* now send a tx doorbell, counting the next BD | |
9707 | * if the packet contains or ends with it | |
9708 | */ | |
9709 | if (TX_BD_POFF(bd_prod) < nbd) | |
9710 | nbd++; | |
9711 | ||
9712 | if (pbd) | |
9713 | DP(NETIF_MSG_TX_QUEUED, | |
9714 | "PBD @%p ip_data %x ip_hlen %u ip_id %u lso_mss %u" | |
9715 | " tcp_flags %x xsum %x seq %u hlen %u\n", | |
9716 | pbd, pbd->global_data, pbd->ip_hlen, pbd->ip_id, | |
9717 | pbd->lso_mss, pbd->tcp_flags, pbd->tcp_pseudo_csum, | |
9718 | pbd->tcp_send_seq, le16_to_cpu(pbd->total_hlen)); | |
9719 | ||
9720 | DP(NETIF_MSG_TX_QUEUED, "doorbell: nbd %d bd %u\n", nbd, bd_prod); | |
9721 | ||
9722 | /* | |
9723 | * Make sure that the BD data is updated before updating the producer | |
9724 | * since FW might read the BD right after the producer is updated. | |
9725 | * This is only applicable for weak-ordered memory model archs such | |
9726 | * as IA-64. The following barrier is also mandatory since FW will | |
9727 | * assumes packets must have BDs. | |
9728 | */ | |
9729 | wmb(); | |
9730 | ||
9731 | fp->hw_tx_prods->bds_prod = | |
9732 | cpu_to_le16(le16_to_cpu(fp->hw_tx_prods->bds_prod) + nbd); | |
9733 | mb(); /* FW restriction: must not reorder writing nbd and packets */ | |
9734 | fp->hw_tx_prods->packets_prod = | |
9735 | cpu_to_le32(le32_to_cpu(fp->hw_tx_prods->packets_prod) + 1); | |
9736 | DOORBELL(bp, FP_IDX(fp), 0); | |
9737 | ||
9738 | mmiowb(); | |
9739 | ||
9740 | fp->tx_bd_prod += nbd; | |
9741 | dev->trans_start = jiffies; | |
9742 | ||
9743 | if (unlikely(bnx2x_tx_avail(fp) < MAX_SKB_FRAGS + 3)) { | |
9744 | /* We want bnx2x_tx_int to "see" the updated tx_bd_prod | |
9745 | if we put Tx into XOFF state. */ | |
9746 | smp_mb(); | |
9747 | netif_stop_queue(dev); | |
9748 | bp->eth_stats.driver_xoff++; | |
9749 | if (bnx2x_tx_avail(fp) >= MAX_SKB_FRAGS + 3) | |
9750 | netif_wake_queue(dev); | |
9751 | } | |
9752 | fp->tx_pkt++; | |
9753 | ||
9754 | return NETDEV_TX_OK; | |
9755 | } | |
9756 | ||
9757 | /* called with rtnl_lock */ | |
9758 | static int bnx2x_open(struct net_device *dev) | |
9759 | { | |
9760 | struct bnx2x *bp = netdev_priv(dev); | |
9761 | ||
9762 | bnx2x_set_power_state(bp, PCI_D0); | |
9763 | ||
9764 | return bnx2x_nic_load(bp, LOAD_OPEN); | |
9765 | } | |
9766 | ||
9767 | /* called with rtnl_lock */ | |
9768 | static int bnx2x_close(struct net_device *dev) | |
9769 | { | |
9770 | struct bnx2x *bp = netdev_priv(dev); | |
9771 | ||
9772 | /* Unload the driver, release IRQs */ | |
9773 | bnx2x_nic_unload(bp, UNLOAD_CLOSE); | |
9774 | if (atomic_read(&bp->pdev->enable_cnt) == 1) | |
9775 | if (!CHIP_REV_IS_SLOW(bp)) | |
9776 | bnx2x_set_power_state(bp, PCI_D3hot); | |
9777 | ||
9778 | return 0; | |
9779 | } | |
9780 | ||
9781 | /* called with netif_tx_lock from set_multicast */ | |
9782 | static void bnx2x_set_rx_mode(struct net_device *dev) | |
9783 | { | |
9784 | struct bnx2x *bp = netdev_priv(dev); | |
9785 | u32 rx_mode = BNX2X_RX_MODE_NORMAL; | |
9786 | int port = BP_PORT(bp); | |
9787 | ||
9788 | if (bp->state != BNX2X_STATE_OPEN) { | |
9789 | DP(NETIF_MSG_IFUP, "state is %x, returning\n", bp->state); | |
9790 | return; | |
9791 | } | |
9792 | ||
9793 | DP(NETIF_MSG_IFUP, "dev->flags = %x\n", dev->flags); | |
9794 | ||
9795 | if (dev->flags & IFF_PROMISC) | |
9796 | rx_mode = BNX2X_RX_MODE_PROMISC; | |
9797 | ||
9798 | else if ((dev->flags & IFF_ALLMULTI) || | |
9799 | ((dev->mc_count > BNX2X_MAX_MULTICAST) && CHIP_IS_E1(bp))) | |
9800 | rx_mode = BNX2X_RX_MODE_ALLMULTI; | |
9801 | ||
9802 | else { /* some multicasts */ | |
9803 | if (CHIP_IS_E1(bp)) { | |
9804 | int i, old, offset; | |
9805 | struct dev_mc_list *mclist; | |
9806 | struct mac_configuration_cmd *config = | |
9807 | bnx2x_sp(bp, mcast_config); | |
9808 | ||
9809 | for (i = 0, mclist = dev->mc_list; | |
9810 | mclist && (i < dev->mc_count); | |
9811 | i++, mclist = mclist->next) { | |
9812 | ||
9813 | config->config_table[i]. | |
9814 | cam_entry.msb_mac_addr = | |
9815 | swab16(*(u16 *)&mclist->dmi_addr[0]); | |
9816 | config->config_table[i]. | |
9817 | cam_entry.middle_mac_addr = | |
9818 | swab16(*(u16 *)&mclist->dmi_addr[2]); | |
9819 | config->config_table[i]. | |
9820 | cam_entry.lsb_mac_addr = | |
9821 | swab16(*(u16 *)&mclist->dmi_addr[4]); | |
9822 | config->config_table[i].cam_entry.flags = | |
9823 | cpu_to_le16(port); | |
9824 | config->config_table[i]. | |
9825 | target_table_entry.flags = 0; | |
9826 | config->config_table[i]. | |
9827 | target_table_entry.client_id = 0; | |
9828 | config->config_table[i]. | |
9829 | target_table_entry.vlan_id = 0; | |
9830 | ||
9831 | DP(NETIF_MSG_IFUP, | |
9832 | "setting MCAST[%d] (%04x:%04x:%04x)\n", i, | |
9833 | config->config_table[i]. | |
9834 | cam_entry.msb_mac_addr, | |
9835 | config->config_table[i]. | |
9836 | cam_entry.middle_mac_addr, | |
9837 | config->config_table[i]. | |
9838 | cam_entry.lsb_mac_addr); | |
9839 | } | |
9840 | old = config->hdr.length_6b; | |
9841 | if (old > i) { | |
9842 | for (; i < old; i++) { | |
9843 | if (CAM_IS_INVALID(config-> | |
9844 | config_table[i])) { | |
9845 | i--; /* already invalidated */ | |
9846 | break; | |
9847 | } | |
9848 | /* invalidate */ | |
9849 | CAM_INVALIDATE(config-> | |
9850 | config_table[i]); | |
9851 | } | |
9852 | } | |
9853 | ||
9854 | if (CHIP_REV_IS_SLOW(bp)) | |
9855 | offset = BNX2X_MAX_EMUL_MULTI*(1 + port); | |
9856 | else | |
9857 | offset = BNX2X_MAX_MULTICAST*(1 + port); | |
9858 | ||
9859 | config->hdr.length_6b = i; | |
9860 | config->hdr.offset = offset; | |
9861 | config->hdr.client_id = BP_CL_ID(bp); | |
9862 | config->hdr.reserved1 = 0; | |
9863 | ||
9864 | bnx2x_sp_post(bp, RAMROD_CMD_ID_ETH_SET_MAC, 0, | |
9865 | U64_HI(bnx2x_sp_mapping(bp, mcast_config)), | |
9866 | U64_LO(bnx2x_sp_mapping(bp, mcast_config)), | |
9867 | 0); | |
9868 | } else { /* E1H */ | |
9869 | /* Accept one or more multicasts */ | |
9870 | struct dev_mc_list *mclist; | |
9871 | u32 mc_filter[MC_HASH_SIZE]; | |
9872 | u32 crc, bit, regidx; | |
9873 | int i; | |
9874 | ||
9875 | memset(mc_filter, 0, 4 * MC_HASH_SIZE); | |
9876 | ||
9877 | for (i = 0, mclist = dev->mc_list; | |
9878 | mclist && (i < dev->mc_count); | |
9879 | i++, mclist = mclist->next) { | |
9880 | ||
9881 | DP(NETIF_MSG_IFUP, "Adding mcast MAC: %pM\n", | |
9882 | mclist->dmi_addr); | |
9883 | ||
9884 | crc = crc32c_le(0, mclist->dmi_addr, ETH_ALEN); | |
9885 | bit = (crc >> 24) & 0xff; | |
9886 | regidx = bit >> 5; | |
9887 | bit &= 0x1f; | |
9888 | mc_filter[regidx] |= (1 << bit); | |
9889 | } | |
9890 | ||
9891 | for (i = 0; i < MC_HASH_SIZE; i++) | |
9892 | REG_WR(bp, MC_HASH_OFFSET(bp, i), | |
9893 | mc_filter[i]); | |
9894 | } | |
9895 | } | |
9896 | ||
9897 | bp->rx_mode = rx_mode; | |
9898 | bnx2x_set_storm_rx_mode(bp); | |
9899 | } | |
9900 | ||
9901 | /* called with rtnl_lock */ | |
9902 | static int bnx2x_change_mac_addr(struct net_device *dev, void *p) | |
9903 | { | |
9904 | struct sockaddr *addr = p; | |
9905 | struct bnx2x *bp = netdev_priv(dev); | |
9906 | ||
9907 | if (!is_valid_ether_addr((u8 *)(addr->sa_data))) | |
9908 | return -EINVAL; | |
9909 | ||
9910 | memcpy(dev->dev_addr, addr->sa_data, dev->addr_len); | |
9911 | if (netif_running(dev)) { | |
9912 | if (CHIP_IS_E1(bp)) | |
9913 | bnx2x_set_mac_addr_e1(bp, 1); | |
9914 | else | |
9915 | bnx2x_set_mac_addr_e1h(bp, 1); | |
9916 | } | |
9917 | ||
9918 | return 0; | |
9919 | } | |
9920 | ||
9921 | /* called with rtnl_lock */ | |
9922 | static int bnx2x_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd) | |
9923 | { | |
9924 | struct mii_ioctl_data *data = if_mii(ifr); | |
9925 | struct bnx2x *bp = netdev_priv(dev); | |
9926 | int port = BP_PORT(bp); | |
9927 | int err; | |
9928 | ||
9929 | switch (cmd) { | |
9930 | case SIOCGMIIPHY: | |
9931 | data->phy_id = bp->port.phy_addr; | |
9932 | ||
9933 | /* fallthrough */ | |
9934 | ||
9935 | case SIOCGMIIREG: { | |
9936 | u16 mii_regval; | |
9937 | ||
9938 | if (!netif_running(dev)) | |
9939 | return -EAGAIN; | |
9940 | ||
9941 | mutex_lock(&bp->port.phy_mutex); | |
9942 | err = bnx2x_cl45_read(bp, port, 0, bp->port.phy_addr, | |
9943 | DEFAULT_PHY_DEV_ADDR, | |
9944 | (data->reg_num & 0x1f), &mii_regval); | |
9945 | data->val_out = mii_regval; | |
9946 | mutex_unlock(&bp->port.phy_mutex); | |
9947 | return err; | |
9948 | } | |
9949 | ||
9950 | case SIOCSMIIREG: | |
9951 | if (!capable(CAP_NET_ADMIN)) | |
9952 | return -EPERM; | |
9953 | ||
9954 | if (!netif_running(dev)) | |
9955 | return -EAGAIN; | |
9956 | ||
9957 | mutex_lock(&bp->port.phy_mutex); | |
9958 | err = bnx2x_cl45_write(bp, port, 0, bp->port.phy_addr, | |
9959 | DEFAULT_PHY_DEV_ADDR, | |
9960 | (data->reg_num & 0x1f), data->val_in); | |
9961 | mutex_unlock(&bp->port.phy_mutex); | |
9962 | return err; | |
9963 | ||
9964 | default: | |
9965 | /* do nothing */ | |
9966 | break; | |
9967 | } | |
9968 | ||
9969 | return -EOPNOTSUPP; | |
9970 | } | |
9971 | ||
9972 | /* called with rtnl_lock */ | |
9973 | static int bnx2x_change_mtu(struct net_device *dev, int new_mtu) | |
9974 | { | |
9975 | struct bnx2x *bp = netdev_priv(dev); | |
9976 | int rc = 0; | |
9977 | ||
9978 | if ((new_mtu > ETH_MAX_JUMBO_PACKET_SIZE) || | |
9979 | ((new_mtu + ETH_HLEN) < ETH_MIN_PACKET_SIZE)) | |
9980 | return -EINVAL; | |
9981 | ||
9982 | /* This does not race with packet allocation | |
9983 | * because the actual alloc size is | |
9984 | * only updated as part of load | |
9985 | */ | |
9986 | dev->mtu = new_mtu; | |
9987 | ||
9988 | if (netif_running(dev)) { | |
9989 | bnx2x_nic_unload(bp, UNLOAD_NORMAL); | |
9990 | rc = bnx2x_nic_load(bp, LOAD_NORMAL); | |
9991 | } | |
9992 | ||
9993 | return rc; | |
9994 | } | |
9995 | ||
9996 | static void bnx2x_tx_timeout(struct net_device *dev) | |
9997 | { | |
9998 | struct bnx2x *bp = netdev_priv(dev); | |
9999 | ||
10000 | #ifdef BNX2X_STOP_ON_ERROR | |
10001 | if (!bp->panic) | |
10002 | bnx2x_panic(); | |
10003 | #endif | |
10004 | /* This allows the netif to be shutdown gracefully before resetting */ | |
10005 | schedule_work(&bp->reset_task); | |
10006 | } | |
10007 | ||
10008 | #ifdef BCM_VLAN | |
10009 | /* called with rtnl_lock */ | |
10010 | static void bnx2x_vlan_rx_register(struct net_device *dev, | |
10011 | struct vlan_group *vlgrp) | |
10012 | { | |
10013 | struct bnx2x *bp = netdev_priv(dev); | |
10014 | ||
10015 | bp->vlgrp = vlgrp; | |
10016 | if (netif_running(dev)) | |
10017 | bnx2x_set_client_config(bp); | |
10018 | } | |
10019 | ||
10020 | #endif | |
10021 | ||
10022 | #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) | |
10023 | static void poll_bnx2x(struct net_device *dev) | |
10024 | { | |
10025 | struct bnx2x *bp = netdev_priv(dev); | |
10026 | ||
10027 | disable_irq(bp->pdev->irq); | |
10028 | bnx2x_interrupt(bp->pdev->irq, dev); | |
10029 | enable_irq(bp->pdev->irq); | |
10030 | } | |
10031 | #endif | |
10032 | ||
10033 | static const struct net_device_ops bnx2x_netdev_ops = { | |
10034 | .ndo_open = bnx2x_open, | |
10035 | .ndo_stop = bnx2x_close, | |
10036 | .ndo_start_xmit = bnx2x_start_xmit, | |
10037 | .ndo_set_multicast_list = bnx2x_set_rx_mode, | |
10038 | .ndo_set_mac_address = bnx2x_change_mac_addr, | |
10039 | .ndo_validate_addr = eth_validate_addr, | |
10040 | .ndo_do_ioctl = bnx2x_ioctl, | |
10041 | .ndo_change_mtu = bnx2x_change_mtu, | |
10042 | .ndo_tx_timeout = bnx2x_tx_timeout, | |
10043 | #ifdef BCM_VLAN | |
10044 | .ndo_vlan_rx_register = bnx2x_vlan_rx_register, | |
10045 | #endif | |
10046 | #if defined(HAVE_POLL_CONTROLLER) || defined(CONFIG_NET_POLL_CONTROLLER) | |
10047 | .ndo_poll_controller = poll_bnx2x, | |
10048 | #endif | |
10049 | }; | |
10050 | ||
10051 | ||
10052 | static int __devinit bnx2x_init_dev(struct pci_dev *pdev, | |
10053 | struct net_device *dev) | |
10054 | { | |
10055 | struct bnx2x *bp; | |
10056 | int rc; | |
10057 | ||
10058 | SET_NETDEV_DEV(dev, &pdev->dev); | |
10059 | bp = netdev_priv(dev); | |
10060 | ||
10061 | bp->dev = dev; | |
10062 | bp->pdev = pdev; | |
10063 | bp->flags = 0; | |
10064 | bp->func = PCI_FUNC(pdev->devfn); | |
10065 | ||
10066 | rc = pci_enable_device(pdev); | |
10067 | if (rc) { | |
10068 | printk(KERN_ERR PFX "Cannot enable PCI device, aborting\n"); | |
10069 | goto err_out; | |
10070 | } | |
10071 | ||
10072 | if (!(pci_resource_flags(pdev, 0) & IORESOURCE_MEM)) { | |
10073 | printk(KERN_ERR PFX "Cannot find PCI device base address," | |
10074 | " aborting\n"); | |
10075 | rc = -ENODEV; | |
10076 | goto err_out_disable; | |
10077 | } | |
10078 | ||
10079 | if (!(pci_resource_flags(pdev, 2) & IORESOURCE_MEM)) { | |
10080 | printk(KERN_ERR PFX "Cannot find second PCI device" | |
10081 | " base address, aborting\n"); | |
10082 | rc = -ENODEV; | |
10083 | goto err_out_disable; | |
10084 | } | |
10085 | ||
10086 | if (atomic_read(&pdev->enable_cnt) == 1) { | |
10087 | rc = pci_request_regions(pdev, DRV_MODULE_NAME); | |
10088 | if (rc) { | |
10089 | printk(KERN_ERR PFX "Cannot obtain PCI resources," | |
10090 | " aborting\n"); | |
10091 | goto err_out_disable; | |
10092 | } | |
10093 | ||
10094 | pci_set_master(pdev); | |
10095 | pci_save_state(pdev); | |
10096 | } | |
10097 | ||
10098 | bp->pm_cap = pci_find_capability(pdev, PCI_CAP_ID_PM); | |
10099 | if (bp->pm_cap == 0) { | |
10100 | printk(KERN_ERR PFX "Cannot find power management" | |
10101 | " capability, aborting\n"); | |
10102 | rc = -EIO; | |
10103 | goto err_out_release; | |
10104 | } | |
10105 | ||
10106 | bp->pcie_cap = pci_find_capability(pdev, PCI_CAP_ID_EXP); | |
10107 | if (bp->pcie_cap == 0) { | |
10108 | printk(KERN_ERR PFX "Cannot find PCI Express capability," | |
10109 | " aborting\n"); | |
10110 | rc = -EIO; | |
10111 | goto err_out_release; | |
10112 | } | |
10113 | ||
10114 | if (pci_set_dma_mask(pdev, DMA_64BIT_MASK) == 0) { | |
10115 | bp->flags |= USING_DAC_FLAG; | |
10116 | if (pci_set_consistent_dma_mask(pdev, DMA_64BIT_MASK) != 0) { | |
10117 | printk(KERN_ERR PFX "pci_set_consistent_dma_mask" | |
10118 | " failed, aborting\n"); | |
10119 | rc = -EIO; | |
10120 | goto err_out_release; | |
10121 | } | |
10122 | ||
10123 | } else if (pci_set_dma_mask(pdev, DMA_32BIT_MASK) != 0) { | |
10124 | printk(KERN_ERR PFX "System does not support DMA," | |
10125 | " aborting\n"); | |
10126 | rc = -EIO; | |
10127 | goto err_out_release; | |
10128 | } | |
10129 | ||
10130 | dev->mem_start = pci_resource_start(pdev, 0); | |
10131 | dev->base_addr = dev->mem_start; | |
10132 | dev->mem_end = pci_resource_end(pdev, 0); | |
10133 | ||
10134 | dev->irq = pdev->irq; | |
10135 | ||
10136 | bp->regview = pci_ioremap_bar(pdev, 0); | |
10137 | if (!bp->regview) { | |
10138 | printk(KERN_ERR PFX "Cannot map register space, aborting\n"); | |
10139 | rc = -ENOMEM; | |
10140 | goto err_out_release; | |
10141 | } | |
10142 | ||
10143 | bp->doorbells = ioremap_nocache(pci_resource_start(pdev, 2), | |
10144 | min_t(u64, BNX2X_DB_SIZE, | |
10145 | pci_resource_len(pdev, 2))); | |
10146 | if (!bp->doorbells) { | |
10147 | printk(KERN_ERR PFX "Cannot map doorbell space, aborting\n"); | |
10148 | rc = -ENOMEM; | |
10149 | goto err_out_unmap; | |
10150 | } | |
10151 | ||
10152 | bnx2x_set_power_state(bp, PCI_D0); | |
10153 | ||
10154 | /* clean indirect addresses */ | |
10155 | pci_write_config_dword(bp->pdev, PCICFG_GRC_ADDRESS, | |
10156 | PCICFG_VENDOR_ID_OFFSET); | |
10157 | REG_WR(bp, PXP2_REG_PGL_ADDR_88_F0 + BP_PORT(bp)*16, 0); | |
10158 | REG_WR(bp, PXP2_REG_PGL_ADDR_8C_F0 + BP_PORT(bp)*16, 0); | |
10159 | REG_WR(bp, PXP2_REG_PGL_ADDR_90_F0 + BP_PORT(bp)*16, 0); | |
10160 | REG_WR(bp, PXP2_REG_PGL_ADDR_94_F0 + BP_PORT(bp)*16, 0); | |
10161 | ||
10162 | dev->watchdog_timeo = TX_TIMEOUT; | |
10163 | ||
10164 | dev->netdev_ops = &bnx2x_netdev_ops; | |
10165 | dev->ethtool_ops = &bnx2x_ethtool_ops; | |
10166 | dev->features |= NETIF_F_SG; | |
10167 | dev->features |= NETIF_F_HW_CSUM; | |
10168 | if (bp->flags & USING_DAC_FLAG) | |
10169 | dev->features |= NETIF_F_HIGHDMA; | |
10170 | #ifdef BCM_VLAN | |
10171 | dev->features |= (NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX); | |
10172 | #endif | |
10173 | dev->features |= (NETIF_F_TSO | NETIF_F_TSO_ECN); | |
10174 | dev->features |= NETIF_F_TSO6; | |
10175 | ||
10176 | return 0; | |
10177 | ||
10178 | err_out_unmap: | |
10179 | if (bp->regview) { | |
10180 | iounmap(bp->regview); | |
10181 | bp->regview = NULL; | |
10182 | } | |
10183 | if (bp->doorbells) { | |
10184 | iounmap(bp->doorbells); | |
10185 | bp->doorbells = NULL; | |
10186 | } | |
10187 | ||
10188 | err_out_release: | |
10189 | if (atomic_read(&pdev->enable_cnt) == 1) | |
10190 | pci_release_regions(pdev); | |
10191 | ||
10192 | err_out_disable: | |
10193 | pci_disable_device(pdev); | |
10194 | pci_set_drvdata(pdev, NULL); | |
10195 | ||
10196 | err_out: | |
10197 | return rc; | |
10198 | } | |
10199 | ||
10200 | static int __devinit bnx2x_get_pcie_width(struct bnx2x *bp) | |
10201 | { | |
10202 | u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); | |
10203 | ||
10204 | val = (val & PCICFG_LINK_WIDTH) >> PCICFG_LINK_WIDTH_SHIFT; | |
10205 | return val; | |
10206 | } | |
10207 | ||
10208 | /* return value of 1=2.5GHz 2=5GHz */ | |
10209 | static int __devinit bnx2x_get_pcie_speed(struct bnx2x *bp) | |
10210 | { | |
10211 | u32 val = REG_RD(bp, PCICFG_OFFSET + PCICFG_LINK_CONTROL); | |
10212 | ||
10213 | val = (val & PCICFG_LINK_SPEED) >> PCICFG_LINK_SPEED_SHIFT; | |
10214 | return val; | |
10215 | } | |
10216 | ||
10217 | static int __devinit bnx2x_init_one(struct pci_dev *pdev, | |
10218 | const struct pci_device_id *ent) | |
10219 | { | |
10220 | static int version_printed; | |
10221 | struct net_device *dev = NULL; | |
10222 | struct bnx2x *bp; | |
10223 | int rc; | |
10224 | ||
10225 | if (version_printed++ == 0) | |
10226 | printk(KERN_INFO "%s", version); | |
10227 | ||
10228 | /* dev zeroed in init_etherdev */ | |
10229 | dev = alloc_etherdev(sizeof(*bp)); | |
10230 | if (!dev) { | |
10231 | printk(KERN_ERR PFX "Cannot allocate net device\n"); | |
10232 | return -ENOMEM; | |
10233 | } | |
10234 | ||
10235 | bp = netdev_priv(dev); | |
10236 | bp->msglevel = debug; | |
10237 | ||
10238 | rc = bnx2x_init_dev(pdev, dev); | |
10239 | if (rc < 0) { | |
10240 | free_netdev(dev); | |
10241 | return rc; | |
10242 | } | |
10243 | ||
10244 | rc = register_netdev(dev); | |
10245 | if (rc) { | |
10246 | dev_err(&pdev->dev, "Cannot register net device\n"); | |
10247 | goto init_one_exit; | |
10248 | } | |
10249 | ||
10250 | pci_set_drvdata(pdev, dev); | |
10251 | ||
10252 | rc = bnx2x_init_bp(bp); | |
10253 | if (rc) { | |
10254 | unregister_netdev(dev); | |
10255 | goto init_one_exit; | |
10256 | } | |
10257 | ||
10258 | netif_carrier_off(dev); | |
10259 | ||
10260 | bp->common.name = board_info[ent->driver_data].name; | |
10261 | printk(KERN_INFO "%s: %s (%c%d) PCI-E x%d %s found at mem %lx," | |
10262 | " IRQ %d, ", dev->name, bp->common.name, | |
10263 | (CHIP_REV(bp) >> 12) + 'A', (CHIP_METAL(bp) >> 4), | |
10264 | bnx2x_get_pcie_width(bp), | |
10265 | (bnx2x_get_pcie_speed(bp) == 2) ? "5GHz (Gen2)" : "2.5GHz", | |
10266 | dev->base_addr, bp->pdev->irq); | |
10267 | printk(KERN_CONT "node addr %pM\n", dev->dev_addr); | |
10268 | return 0; | |
10269 | ||
10270 | init_one_exit: | |
10271 | if (bp->regview) | |
10272 | iounmap(bp->regview); | |
10273 | ||
10274 | if (bp->doorbells) | |
10275 | iounmap(bp->doorbells); | |
10276 | ||
10277 | free_netdev(dev); | |
10278 | ||
10279 | if (atomic_read(&pdev->enable_cnt) == 1) | |
10280 | pci_release_regions(pdev); | |
10281 | ||
10282 | pci_disable_device(pdev); | |
10283 | pci_set_drvdata(pdev, NULL); | |
10284 | ||
10285 | return rc; | |
10286 | } | |
10287 | ||
10288 | static void __devexit bnx2x_remove_one(struct pci_dev *pdev) | |
10289 | { | |
10290 | struct net_device *dev = pci_get_drvdata(pdev); | |
10291 | struct bnx2x *bp; | |
10292 | ||
10293 | if (!dev) { | |
10294 | printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); | |
10295 | return; | |
10296 | } | |
10297 | bp = netdev_priv(dev); | |
10298 | ||
10299 | unregister_netdev(dev); | |
10300 | ||
10301 | if (bp->regview) | |
10302 | iounmap(bp->regview); | |
10303 | ||
10304 | if (bp->doorbells) | |
10305 | iounmap(bp->doorbells); | |
10306 | ||
10307 | free_netdev(dev); | |
10308 | ||
10309 | if (atomic_read(&pdev->enable_cnt) == 1) | |
10310 | pci_release_regions(pdev); | |
10311 | ||
10312 | pci_disable_device(pdev); | |
10313 | pci_set_drvdata(pdev, NULL); | |
10314 | } | |
10315 | ||
10316 | static int bnx2x_suspend(struct pci_dev *pdev, pm_message_t state) | |
10317 | { | |
10318 | struct net_device *dev = pci_get_drvdata(pdev); | |
10319 | struct bnx2x *bp; | |
10320 | ||
10321 | if (!dev) { | |
10322 | printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); | |
10323 | return -ENODEV; | |
10324 | } | |
10325 | bp = netdev_priv(dev); | |
10326 | ||
10327 | rtnl_lock(); | |
10328 | ||
10329 | pci_save_state(pdev); | |
10330 | ||
10331 | if (!netif_running(dev)) { | |
10332 | rtnl_unlock(); | |
10333 | return 0; | |
10334 | } | |
10335 | ||
10336 | netif_device_detach(dev); | |
10337 | ||
10338 | bnx2x_nic_unload(bp, UNLOAD_CLOSE); | |
10339 | ||
10340 | bnx2x_set_power_state(bp, pci_choose_state(pdev, state)); | |
10341 | ||
10342 | rtnl_unlock(); | |
10343 | ||
10344 | return 0; | |
10345 | } | |
10346 | ||
10347 | static int bnx2x_resume(struct pci_dev *pdev) | |
10348 | { | |
10349 | struct net_device *dev = pci_get_drvdata(pdev); | |
10350 | struct bnx2x *bp; | |
10351 | int rc; | |
10352 | ||
10353 | if (!dev) { | |
10354 | printk(KERN_ERR PFX "BAD net device from bnx2x_init_one\n"); | |
10355 | return -ENODEV; | |
10356 | } | |
10357 | bp = netdev_priv(dev); | |
10358 | ||
10359 | rtnl_lock(); | |
10360 | ||
10361 | pci_restore_state(pdev); | |
10362 | ||
10363 | if (!netif_running(dev)) { | |
10364 | rtnl_unlock(); | |
10365 | return 0; | |
10366 | } | |
10367 | ||
10368 | bnx2x_set_power_state(bp, PCI_D0); | |
10369 | netif_device_attach(dev); | |
10370 | ||
10371 | rc = bnx2x_nic_load(bp, LOAD_OPEN); | |
10372 | ||
10373 | rtnl_unlock(); | |
10374 | ||
10375 | return rc; | |
10376 | } | |
10377 | ||
10378 | static int bnx2x_eeh_nic_unload(struct bnx2x *bp) | |
10379 | { | |
10380 | int i; | |
10381 | ||
10382 | bp->state = BNX2X_STATE_ERROR; | |
10383 | ||
10384 | bp->rx_mode = BNX2X_RX_MODE_NONE; | |
10385 | ||
10386 | bnx2x_netif_stop(bp, 0); | |
10387 | ||
10388 | del_timer_sync(&bp->timer); | |
10389 | bp->stats_state = STATS_STATE_DISABLED; | |
10390 | DP(BNX2X_MSG_STATS, "stats_state - DISABLED\n"); | |
10391 | ||
10392 | /* Release IRQs */ | |
10393 | bnx2x_free_irq(bp); | |
10394 | ||
10395 | if (CHIP_IS_E1(bp)) { | |
10396 | struct mac_configuration_cmd *config = | |
10397 | bnx2x_sp(bp, mcast_config); | |
10398 | ||
10399 | for (i = 0; i < config->hdr.length_6b; i++) | |
10400 | CAM_INVALIDATE(config->config_table[i]); | |
10401 | } | |
10402 | ||
10403 | /* Free SKBs, SGEs, TPA pool and driver internals */ | |
10404 | bnx2x_free_skbs(bp); | |
10405 | for_each_queue(bp, i) | |
10406 | bnx2x_free_rx_sge_range(bp, bp->fp + i, NUM_RX_SGE); | |
10407 | bnx2x_free_mem(bp); | |
10408 | ||
10409 | bp->state = BNX2X_STATE_CLOSED; | |
10410 | ||
10411 | netif_carrier_off(bp->dev); | |
10412 | ||
10413 | return 0; | |
10414 | } | |
10415 | ||
10416 | static void bnx2x_eeh_recover(struct bnx2x *bp) | |
10417 | { | |
10418 | u32 val; | |
10419 | ||
10420 | mutex_init(&bp->port.phy_mutex); | |
10421 | ||
10422 | bp->common.shmem_base = REG_RD(bp, MISC_REG_SHARED_MEM_ADDR); | |
10423 | bp->link_params.shmem_base = bp->common.shmem_base; | |
10424 | BNX2X_DEV_INFO("shmem offset is 0x%x\n", bp->common.shmem_base); | |
10425 | ||
10426 | if (!bp->common.shmem_base || | |
10427 | (bp->common.shmem_base < 0xA0000) || | |
10428 | (bp->common.shmem_base >= 0xC0000)) { | |
10429 | BNX2X_DEV_INFO("MCP not active\n"); | |
10430 | bp->flags |= NO_MCP_FLAG; | |
10431 | return; | |
10432 | } | |
10433 | ||
10434 | val = SHMEM_RD(bp, validity_map[BP_PORT(bp)]); | |
10435 | if ((val & (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
10436 | != (SHR_MEM_VALIDITY_DEV_INFO | SHR_MEM_VALIDITY_MB)) | |
10437 | BNX2X_ERR("BAD MCP validity signature\n"); | |
10438 | ||
10439 | if (!BP_NOMCP(bp)) { | |
10440 | bp->fw_seq = (SHMEM_RD(bp, func_mb[BP_FUNC(bp)].drv_mb_header) | |
10441 | & DRV_MSG_SEQ_NUMBER_MASK); | |
10442 | BNX2X_DEV_INFO("fw_seq 0x%08x\n", bp->fw_seq); | |
10443 | } | |
10444 | } | |
10445 | ||
10446 | /** | |
10447 | * bnx2x_io_error_detected - called when PCI error is detected | |
10448 | * @pdev: Pointer to PCI device | |
10449 | * @state: The current pci connection state | |
10450 | * | |
10451 | * This function is called after a PCI bus error affecting | |
10452 | * this device has been detected. | |
10453 | */ | |
10454 | static pci_ers_result_t bnx2x_io_error_detected(struct pci_dev *pdev, | |
10455 | pci_channel_state_t state) | |
10456 | { | |
10457 | struct net_device *dev = pci_get_drvdata(pdev); | |
10458 | struct bnx2x *bp = netdev_priv(dev); | |
10459 | ||
10460 | rtnl_lock(); | |
10461 | ||
10462 | netif_device_detach(dev); | |
10463 | ||
10464 | if (netif_running(dev)) | |
10465 | bnx2x_eeh_nic_unload(bp); | |
10466 | ||
10467 | pci_disable_device(pdev); | |
10468 | ||
10469 | rtnl_unlock(); | |
10470 | ||
10471 | /* Request a slot reset */ | |
10472 | return PCI_ERS_RESULT_NEED_RESET; | |
10473 | } | |
10474 | ||
10475 | /** | |
10476 | * bnx2x_io_slot_reset - called after the PCI bus has been reset | |
10477 | * @pdev: Pointer to PCI device | |
10478 | * | |
10479 | * Restart the card from scratch, as if from a cold-boot. | |
10480 | */ | |
10481 | static pci_ers_result_t bnx2x_io_slot_reset(struct pci_dev *pdev) | |
10482 | { | |
10483 | struct net_device *dev = pci_get_drvdata(pdev); | |
10484 | struct bnx2x *bp = netdev_priv(dev); | |
10485 | ||
10486 | rtnl_lock(); | |
10487 | ||
10488 | if (pci_enable_device(pdev)) { | |
10489 | dev_err(&pdev->dev, | |
10490 | "Cannot re-enable PCI device after reset\n"); | |
10491 | rtnl_unlock(); | |
10492 | return PCI_ERS_RESULT_DISCONNECT; | |
10493 | } | |
10494 | ||
10495 | pci_set_master(pdev); | |
10496 | pci_restore_state(pdev); | |
10497 | ||
10498 | if (netif_running(dev)) | |
10499 | bnx2x_set_power_state(bp, PCI_D0); | |
10500 | ||
10501 | rtnl_unlock(); | |
10502 | ||
10503 | return PCI_ERS_RESULT_RECOVERED; | |
10504 | } | |
10505 | ||
10506 | /** | |
10507 | * bnx2x_io_resume - called when traffic can start flowing again | |
10508 | * @pdev: Pointer to PCI device | |
10509 | * | |
10510 | * This callback is called when the error recovery driver tells us that | |
10511 | * its OK to resume normal operation. | |
10512 | */ | |
10513 | static void bnx2x_io_resume(struct pci_dev *pdev) | |
10514 | { | |
10515 | struct net_device *dev = pci_get_drvdata(pdev); | |
10516 | struct bnx2x *bp = netdev_priv(dev); | |
10517 | ||
10518 | rtnl_lock(); | |
10519 | ||
10520 | bnx2x_eeh_recover(bp); | |
10521 | ||
10522 | if (netif_running(dev)) | |
10523 | bnx2x_nic_load(bp, LOAD_NORMAL); | |
10524 | ||
10525 | netif_device_attach(dev); | |
10526 | ||
10527 | rtnl_unlock(); | |
10528 | } | |
10529 | ||
10530 | static struct pci_error_handlers bnx2x_err_handler = { | |
10531 | .error_detected = bnx2x_io_error_detected, | |
10532 | .slot_reset = bnx2x_io_slot_reset, | |
10533 | .resume = bnx2x_io_resume, | |
10534 | }; | |
10535 | ||
10536 | static struct pci_driver bnx2x_pci_driver = { | |
10537 | .name = DRV_MODULE_NAME, | |
10538 | .id_table = bnx2x_pci_tbl, | |
10539 | .probe = bnx2x_init_one, | |
10540 | .remove = __devexit_p(bnx2x_remove_one), | |
10541 | .suspend = bnx2x_suspend, | |
10542 | .resume = bnx2x_resume, | |
10543 | .err_handler = &bnx2x_err_handler, | |
10544 | }; | |
10545 | ||
10546 | static int __init bnx2x_init(void) | |
10547 | { | |
10548 | bnx2x_wq = create_singlethread_workqueue("bnx2x"); | |
10549 | if (bnx2x_wq == NULL) { | |
10550 | printk(KERN_ERR PFX "Cannot create workqueue\n"); | |
10551 | return -ENOMEM; | |
10552 | } | |
10553 | ||
10554 | return pci_register_driver(&bnx2x_pci_driver); | |
10555 | } | |
10556 | ||
10557 | static void __exit bnx2x_cleanup(void) | |
10558 | { | |
10559 | pci_unregister_driver(&bnx2x_pci_driver); | |
10560 | ||
10561 | destroy_workqueue(bnx2x_wq); | |
10562 | } | |
10563 | ||
10564 | module_init(bnx2x_init); | |
10565 | module_exit(bnx2x_cleanup); | |
10566 |