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6b7c5b94 | 1 | /* |
c7bb15a6 | 2 | * Copyright (C) 2005 - 2013 Emulex |
6b7c5b94 SP |
3 | * All rights reserved. |
4 | * | |
5 | * This program is free software; you can redistribute it and/or | |
6 | * modify it under the terms of the GNU General Public License version 2 | |
7 | * as published by the Free Software Foundation. The full GNU General | |
8 | * Public License is included in this distribution in the file called COPYING. | |
9 | * | |
10 | * Contact Information: | |
d2145cde | 11 | * linux-drivers@emulex.com |
6b7c5b94 | 12 | * |
d2145cde AK |
13 | * Emulex |
14 | * 3333 Susan Street | |
15 | * Costa Mesa, CA 92626 | |
6b7c5b94 SP |
16 | */ |
17 | ||
70c71606 | 18 | #include <linux/prefetch.h> |
9d9779e7 | 19 | #include <linux/module.h> |
6b7c5b94 | 20 | #include "be.h" |
8788fdc2 | 21 | #include "be_cmds.h" |
65f71b8b | 22 | #include <asm/div64.h> |
d6b6d987 | 23 | #include <linux/aer.h> |
a77dcb8c | 24 | #include <linux/if_bridge.h> |
6384a4d0 | 25 | #include <net/busy_poll.h> |
6b7c5b94 SP |
26 | |
27 | MODULE_VERSION(DRV_VER); | |
28 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
29 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); | |
00d3d51e | 30 | MODULE_AUTHOR("Emulex Corporation"); |
6b7c5b94 SP |
31 | MODULE_LICENSE("GPL"); |
32 | ||
ba343c77 | 33 | static unsigned int num_vfs; |
ba343c77 | 34 | module_param(num_vfs, uint, S_IRUGO); |
ba343c77 | 35 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
6b7c5b94 | 36 | |
11ac75ed SP |
37 | static ushort rx_frag_size = 2048; |
38 | module_param(rx_frag_size, ushort, S_IRUGO); | |
39 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); | |
40 | ||
6b7c5b94 | 41 | static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { |
c4ca2374 | 42 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
59fd5d87 | 43 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
c4ca2374 AK |
44 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
45 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, | |
fe6d2a38 | 46 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
12f4d0a8 | 47 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, |
ecedb6ae | 48 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID5)}, |
76b73530 | 49 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID6)}, |
6b7c5b94 SP |
50 | { 0 } |
51 | }; | |
52 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
7c185276 | 53 | /* UE Status Low CSR */ |
42c8b11e | 54 | static const char * const ue_status_low_desc[] = { |
7c185276 AK |
55 | "CEV", |
56 | "CTX", | |
57 | "DBUF", | |
58 | "ERX", | |
59 | "Host", | |
60 | "MPU", | |
61 | "NDMA", | |
62 | "PTC ", | |
63 | "RDMA ", | |
64 | "RXF ", | |
65 | "RXIPS ", | |
66 | "RXULP0 ", | |
67 | "RXULP1 ", | |
68 | "RXULP2 ", | |
69 | "TIM ", | |
70 | "TPOST ", | |
71 | "TPRE ", | |
72 | "TXIPS ", | |
73 | "TXULP0 ", | |
74 | "TXULP1 ", | |
75 | "UC ", | |
76 | "WDMA ", | |
77 | "TXULP2 ", | |
78 | "HOST1 ", | |
79 | "P0_OB_LINK ", | |
80 | "P1_OB_LINK ", | |
81 | "HOST_GPIO ", | |
82 | "MBOX ", | |
83 | "AXGMAC0", | |
84 | "AXGMAC1", | |
85 | "JTAG", | |
86 | "MPU_INTPEND" | |
87 | }; | |
88 | /* UE Status High CSR */ | |
42c8b11e | 89 | static const char * const ue_status_hi_desc[] = { |
7c185276 AK |
90 | "LPCMEMHOST", |
91 | "MGMT_MAC", | |
92 | "PCS0ONLINE", | |
93 | "MPU_IRAM", | |
94 | "PCS1ONLINE", | |
95 | "PCTL0", | |
96 | "PCTL1", | |
97 | "PMEM", | |
98 | "RR", | |
99 | "TXPB", | |
100 | "RXPP", | |
101 | "XAUI", | |
102 | "TXP", | |
103 | "ARM", | |
104 | "IPC", | |
105 | "HOST2", | |
106 | "HOST3", | |
107 | "HOST4", | |
108 | "HOST5", | |
109 | "HOST6", | |
110 | "HOST7", | |
111 | "HOST8", | |
112 | "HOST9", | |
42c8b11e | 113 | "NETC", |
7c185276 AK |
114 | "Unknown", |
115 | "Unknown", | |
116 | "Unknown", | |
117 | "Unknown", | |
118 | "Unknown", | |
119 | "Unknown", | |
120 | "Unknown", | |
121 | "Unknown" | |
122 | }; | |
6b7c5b94 | 123 | |
752961a1 | 124 | |
6b7c5b94 SP |
125 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
126 | { | |
127 | struct be_dma_mem *mem = &q->dma_mem; | |
1cfafab9 | 128 | if (mem->va) { |
2b7bcebf IV |
129 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
130 | mem->dma); | |
1cfafab9 SP |
131 | mem->va = NULL; |
132 | } | |
6b7c5b94 SP |
133 | } |
134 | ||
135 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, | |
136 | u16 len, u16 entry_size) | |
137 | { | |
138 | struct be_dma_mem *mem = &q->dma_mem; | |
139 | ||
140 | memset(q, 0, sizeof(*q)); | |
141 | q->len = len; | |
142 | q->entry_size = entry_size; | |
143 | mem->size = len * entry_size; | |
ede23fa8 JP |
144 | mem->va = dma_zalloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
145 | GFP_KERNEL); | |
6b7c5b94 | 146 | if (!mem->va) |
10ef9ab4 | 147 | return -ENOMEM; |
6b7c5b94 SP |
148 | return 0; |
149 | } | |
150 | ||
68c45a2d | 151 | static void be_reg_intr_set(struct be_adapter *adapter, bool enable) |
6b7c5b94 | 152 | { |
db3ea781 | 153 | u32 reg, enabled; |
5f0b849e | 154 | |
db3ea781 SP |
155 | pci_read_config_dword(adapter->pdev, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, |
156 | ®); | |
157 | enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | |
158 | ||
5f0b849e | 159 | if (!enabled && enable) |
6b7c5b94 | 160 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 161 | else if (enabled && !enable) |
6b7c5b94 | 162 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 163 | else |
6b7c5b94 | 164 | return; |
5f0b849e | 165 | |
db3ea781 SP |
166 | pci_write_config_dword(adapter->pdev, |
167 | PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, reg); | |
6b7c5b94 SP |
168 | } |
169 | ||
68c45a2d SK |
170 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
171 | { | |
172 | int status = 0; | |
173 | ||
174 | /* On lancer interrupts can't be controlled via this register */ | |
175 | if (lancer_chip(adapter)) | |
176 | return; | |
177 | ||
178 | if (adapter->eeh_error) | |
179 | return; | |
180 | ||
181 | status = be_cmd_intr_set(adapter, enable); | |
182 | if (status) | |
183 | be_reg_intr_set(adapter, enable); | |
184 | } | |
185 | ||
8788fdc2 | 186 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
187 | { |
188 | u32 val = 0; | |
189 | val |= qid & DB_RQ_RING_ID_MASK; | |
190 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
191 | |
192 | wmb(); | |
8788fdc2 | 193 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
6b7c5b94 SP |
194 | } |
195 | ||
94d73aaa VV |
196 | static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo, |
197 | u16 posted) | |
6b7c5b94 SP |
198 | { |
199 | u32 val = 0; | |
94d73aaa | 200 | val |= txo->q.id & DB_TXULP_RING_ID_MASK; |
6b7c5b94 | 201 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; |
f3eb62d2 SP |
202 | |
203 | wmb(); | |
94d73aaa | 204 | iowrite32(val, adapter->db + txo->db_offset); |
6b7c5b94 SP |
205 | } |
206 | ||
8788fdc2 | 207 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
6b7c5b94 SP |
208 | bool arm, bool clear_int, u16 num_popped) |
209 | { | |
210 | u32 val = 0; | |
211 | val |= qid & DB_EQ_RING_ID_MASK; | |
fe6d2a38 SP |
212 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
213 | DB_EQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 | 214 | |
f67ef7ba | 215 | if (adapter->eeh_error) |
cf588477 SP |
216 | return; |
217 | ||
6b7c5b94 SP |
218 | if (arm) |
219 | val |= 1 << DB_EQ_REARM_SHIFT; | |
220 | if (clear_int) | |
221 | val |= 1 << DB_EQ_CLR_SHIFT; | |
222 | val |= 1 << DB_EQ_EVNT_SHIFT; | |
223 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 224 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
6b7c5b94 SP |
225 | } |
226 | ||
8788fdc2 | 227 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) |
6b7c5b94 SP |
228 | { |
229 | u32 val = 0; | |
230 | val |= qid & DB_CQ_RING_ID_MASK; | |
fe6d2a38 SP |
231 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
232 | DB_CQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 | 233 | |
f67ef7ba | 234 | if (adapter->eeh_error) |
cf588477 SP |
235 | return; |
236 | ||
6b7c5b94 SP |
237 | if (arm) |
238 | val |= 1 << DB_CQ_REARM_SHIFT; | |
239 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 240 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
6b7c5b94 SP |
241 | } |
242 | ||
6b7c5b94 SP |
243 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
244 | { | |
245 | struct be_adapter *adapter = netdev_priv(netdev); | |
5a712c13 | 246 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 | 247 | struct sockaddr *addr = p; |
5a712c13 SP |
248 | int status; |
249 | u8 mac[ETH_ALEN]; | |
250 | u32 old_pmac_id = adapter->pmac_id[0], curr_pmac_id = 0; | |
6b7c5b94 | 251 | |
ca9e4988 AK |
252 | if (!is_valid_ether_addr(addr->sa_data)) |
253 | return -EADDRNOTAVAIL; | |
254 | ||
ff32f8ab VV |
255 | /* Proceed further only if, User provided MAC is different |
256 | * from active MAC | |
257 | */ | |
258 | if (ether_addr_equal(addr->sa_data, netdev->dev_addr)) | |
259 | return 0; | |
260 | ||
5a712c13 SP |
261 | /* The PMAC_ADD cmd may fail if the VF doesn't have FILTMGMT |
262 | * privilege or if PF did not provision the new MAC address. | |
263 | * On BE3, this cmd will always fail if the VF doesn't have the | |
264 | * FILTMGMT privilege. This failure is OK, only if the PF programmed | |
265 | * the MAC for the VF. | |
704e4c88 | 266 | */ |
5a712c13 SP |
267 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
268 | adapter->if_handle, &adapter->pmac_id[0], 0); | |
269 | if (!status) { | |
270 | curr_pmac_id = adapter->pmac_id[0]; | |
271 | ||
272 | /* Delete the old programmed MAC. This call may fail if the | |
273 | * old MAC was already deleted by the PF driver. | |
274 | */ | |
275 | if (adapter->pmac_id[0] != old_pmac_id) | |
276 | be_cmd_pmac_del(adapter, adapter->if_handle, | |
277 | old_pmac_id, 0); | |
704e4c88 PR |
278 | } |
279 | ||
5a712c13 SP |
280 | /* Decide if the new MAC is successfully activated only after |
281 | * querying the FW | |
704e4c88 | 282 | */ |
b188f090 SR |
283 | status = be_cmd_get_active_mac(adapter, curr_pmac_id, mac, |
284 | adapter->if_handle, true, 0); | |
a65027e4 | 285 | if (status) |
e3a7ae2c | 286 | goto err; |
6b7c5b94 | 287 | |
5a712c13 SP |
288 | /* The MAC change did not happen, either due to lack of privilege |
289 | * or PF didn't pre-provision. | |
290 | */ | |
61d23e9f | 291 | if (!ether_addr_equal(addr->sa_data, mac)) { |
5a712c13 SP |
292 | status = -EPERM; |
293 | goto err; | |
294 | } | |
295 | ||
e3a7ae2c | 296 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
5a712c13 | 297 | dev_info(dev, "MAC address changed to %pM\n", mac); |
e3a7ae2c SK |
298 | return 0; |
299 | err: | |
5a712c13 | 300 | dev_warn(dev, "MAC address change to %pM failed\n", addr->sa_data); |
6b7c5b94 SP |
301 | return status; |
302 | } | |
303 | ||
ca34fe38 SP |
304 | /* BE2 supports only v0 cmd */ |
305 | static void *hw_stats_from_cmd(struct be_adapter *adapter) | |
306 | { | |
307 | if (BE2_chip(adapter)) { | |
308 | struct be_cmd_resp_get_stats_v0 *cmd = adapter->stats_cmd.va; | |
309 | ||
310 | return &cmd->hw_stats; | |
61000861 | 311 | } else if (BE3_chip(adapter)) { |
ca34fe38 SP |
312 | struct be_cmd_resp_get_stats_v1 *cmd = adapter->stats_cmd.va; |
313 | ||
61000861 AK |
314 | return &cmd->hw_stats; |
315 | } else { | |
316 | struct be_cmd_resp_get_stats_v2 *cmd = adapter->stats_cmd.va; | |
317 | ||
ca34fe38 SP |
318 | return &cmd->hw_stats; |
319 | } | |
320 | } | |
321 | ||
322 | /* BE2 supports only v0 cmd */ | |
323 | static void *be_erx_stats_from_cmd(struct be_adapter *adapter) | |
324 | { | |
325 | if (BE2_chip(adapter)) { | |
326 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); | |
327 | ||
328 | return &hw_stats->erx; | |
61000861 | 329 | } else if (BE3_chip(adapter)) { |
ca34fe38 SP |
330 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
331 | ||
61000861 AK |
332 | return &hw_stats->erx; |
333 | } else { | |
334 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); | |
335 | ||
ca34fe38 SP |
336 | return &hw_stats->erx; |
337 | } | |
338 | } | |
339 | ||
340 | static void populate_be_v0_stats(struct be_adapter *adapter) | |
89a88ab8 | 341 | { |
ac124ff9 SP |
342 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
343 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; | |
344 | struct be_rxf_stats_v0 *rxf_stats = &hw_stats->rxf; | |
89a88ab8 | 345 | struct be_port_rxf_stats_v0 *port_stats = |
ac124ff9 SP |
346 | &rxf_stats->port[adapter->port_num]; |
347 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
89a88ab8 | 348 | |
ac124ff9 | 349 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
89a88ab8 AK |
350 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
351 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
352 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
353 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
354 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
355 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
356 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
357 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
358 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
359 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; | |
360 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
361 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
362 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
363 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
ac124ff9 | 364 | drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow; |
89a88ab8 AK |
365 | drvs->rx_dropped_header_too_small = |
366 | port_stats->rx_dropped_header_too_small; | |
18fb06a1 SR |
367 | drvs->rx_address_filtered = |
368 | port_stats->rx_address_filtered + | |
369 | port_stats->rx_vlan_filtered; | |
89a88ab8 AK |
370 | drvs->rx_alignment_symbol_errors = |
371 | port_stats->rx_alignment_symbol_errors; | |
372 | ||
373 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | |
374 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
375 | ||
376 | if (adapter->port_num) | |
ac124ff9 | 377 | drvs->jabber_events = rxf_stats->port1_jabber_events; |
89a88ab8 | 378 | else |
ac124ff9 | 379 | drvs->jabber_events = rxf_stats->port0_jabber_events; |
89a88ab8 | 380 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
89a88ab8 | 381 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
89a88ab8 AK |
382 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
383 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
ac124ff9 SP |
384 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
385 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; | |
89a88ab8 AK |
386 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
387 | } | |
388 | ||
ca34fe38 | 389 | static void populate_be_v1_stats(struct be_adapter *adapter) |
89a88ab8 | 390 | { |
ac124ff9 SP |
391 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
392 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; | |
393 | struct be_rxf_stats_v1 *rxf_stats = &hw_stats->rxf; | |
89a88ab8 | 394 | struct be_port_rxf_stats_v1 *port_stats = |
ac124ff9 SP |
395 | &rxf_stats->port[adapter->port_num]; |
396 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
89a88ab8 | 397 | |
ac124ff9 | 398 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
02fe7027 AK |
399 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
400 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; | |
89a88ab8 AK |
401 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
402 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
403 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
404 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
405 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
406 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
407 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
408 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
409 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
410 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
411 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
412 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
413 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
414 | drvs->rx_dropped_header_too_small = | |
415 | port_stats->rx_dropped_header_too_small; | |
416 | drvs->rx_input_fifo_overflow_drop = | |
417 | port_stats->rx_input_fifo_overflow_drop; | |
18fb06a1 | 418 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
89a88ab8 AK |
419 | drvs->rx_alignment_symbol_errors = |
420 | port_stats->rx_alignment_symbol_errors; | |
ac124ff9 | 421 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
89a88ab8 AK |
422 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
423 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
b5adffc4 | 424 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
89a88ab8 AK |
425 | drvs->jabber_events = port_stats->jabber_events; |
426 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | |
89a88ab8 | 427 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
89a88ab8 AK |
428 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
429 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
ac124ff9 SP |
430 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
431 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; | |
89a88ab8 AK |
432 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
433 | } | |
434 | ||
61000861 AK |
435 | static void populate_be_v2_stats(struct be_adapter *adapter) |
436 | { | |
437 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); | |
438 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; | |
439 | struct be_rxf_stats_v2 *rxf_stats = &hw_stats->rxf; | |
440 | struct be_port_rxf_stats_v2 *port_stats = | |
441 | &rxf_stats->port[adapter->port_num]; | |
442 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
443 | ||
444 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); | |
445 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; | |
446 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; | |
447 | drvs->rx_pause_frames = port_stats->rx_pause_frames; | |
448 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
449 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
450 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
451 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
452 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
453 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
454 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
455 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
456 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
457 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
458 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
459 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
460 | drvs->rx_dropped_header_too_small = | |
461 | port_stats->rx_dropped_header_too_small; | |
462 | drvs->rx_input_fifo_overflow_drop = | |
463 | port_stats->rx_input_fifo_overflow_drop; | |
464 | drvs->rx_address_filtered = port_stats->rx_address_filtered; | |
465 | drvs->rx_alignment_symbol_errors = | |
466 | port_stats->rx_alignment_symbol_errors; | |
467 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; | |
468 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | |
469 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
470 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; | |
471 | drvs->jabber_events = port_stats->jabber_events; | |
472 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | |
473 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; | |
474 | drvs->forwarded_packets = rxf_stats->forwarded_packets; | |
475 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
476 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; | |
477 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; | |
478 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; | |
461ae379 AK |
479 | if (be_roce_supported(adapter)) { |
480 | drvs->rx_roce_bytes_lsd = port_stats->roce_bytes_received_lsd; | |
481 | drvs->rx_roce_bytes_msd = port_stats->roce_bytes_received_msd; | |
482 | drvs->rx_roce_frames = port_stats->roce_frames_received; | |
483 | drvs->roce_drops_crc = port_stats->roce_drops_crc; | |
484 | drvs->roce_drops_payload_len = | |
485 | port_stats->roce_drops_payload_len; | |
486 | } | |
61000861 AK |
487 | } |
488 | ||
005d5696 SX |
489 | static void populate_lancer_stats(struct be_adapter *adapter) |
490 | { | |
89a88ab8 | 491 | |
005d5696 | 492 | struct be_drv_stats *drvs = &adapter->drv_stats; |
ac124ff9 SP |
493 | struct lancer_pport_stats *pport_stats = |
494 | pport_stats_from_cmd(adapter); | |
495 | ||
496 | be_dws_le_to_cpu(pport_stats, sizeof(*pport_stats)); | |
497 | drvs->rx_pause_frames = pport_stats->rx_pause_frames_lo; | |
498 | drvs->rx_crc_errors = pport_stats->rx_crc_errors_lo; | |
499 | drvs->rx_control_frames = pport_stats->rx_control_frames_lo; | |
005d5696 | 500 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; |
ac124ff9 | 501 | drvs->rx_frame_too_long = pport_stats->rx_frames_too_long_lo; |
005d5696 SX |
502 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; |
503 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; | |
504 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; | |
505 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; | |
506 | drvs->rx_dropped_tcp_length = | |
507 | pport_stats->rx_dropped_invalid_tcp_length; | |
508 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; | |
509 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; | |
510 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; | |
511 | drvs->rx_dropped_header_too_small = | |
512 | pport_stats->rx_dropped_header_too_small; | |
513 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; | |
18fb06a1 SR |
514 | drvs->rx_address_filtered = |
515 | pport_stats->rx_address_filtered + | |
516 | pport_stats->rx_vlan_filtered; | |
ac124ff9 | 517 | drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; |
005d5696 | 518 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
ac124ff9 SP |
519 | drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; |
520 | drvs->tx_controlframes = pport_stats->tx_control_frames_lo; | |
005d5696 | 521 | drvs->jabber_events = pport_stats->rx_jabbers; |
ac124ff9 SP |
522 | drvs->forwarded_packets = pport_stats->num_forwards_lo; |
523 | drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo; | |
005d5696 | 524 | drvs->rx_drops_too_many_frags = |
ac124ff9 | 525 | pport_stats->rx_drops_too_many_frags_lo; |
005d5696 | 526 | } |
89a88ab8 | 527 | |
09c1c68f SP |
528 | static void accumulate_16bit_val(u32 *acc, u16 val) |
529 | { | |
530 | #define lo(x) (x & 0xFFFF) | |
531 | #define hi(x) (x & 0xFFFF0000) | |
532 | bool wrapped = val < lo(*acc); | |
533 | u32 newacc = hi(*acc) + val; | |
534 | ||
535 | if (wrapped) | |
536 | newacc += 65536; | |
537 | ACCESS_ONCE(*acc) = newacc; | |
538 | } | |
539 | ||
4188e7df | 540 | static void populate_erx_stats(struct be_adapter *adapter, |
a6c578ef AK |
541 | struct be_rx_obj *rxo, |
542 | u32 erx_stat) | |
543 | { | |
544 | if (!BEx_chip(adapter)) | |
545 | rx_stats(rxo)->rx_drops_no_frags = erx_stat; | |
546 | else | |
547 | /* below erx HW counter can actually wrap around after | |
548 | * 65535. Driver accumulates a 32-bit value | |
549 | */ | |
550 | accumulate_16bit_val(&rx_stats(rxo)->rx_drops_no_frags, | |
551 | (u16)erx_stat); | |
552 | } | |
553 | ||
89a88ab8 AK |
554 | void be_parse_stats(struct be_adapter *adapter) |
555 | { | |
61000861 | 556 | struct be_erx_stats_v2 *erx = be_erx_stats_from_cmd(adapter); |
ac124ff9 SP |
557 | struct be_rx_obj *rxo; |
558 | int i; | |
a6c578ef | 559 | u32 erx_stat; |
ac124ff9 | 560 | |
ca34fe38 SP |
561 | if (lancer_chip(adapter)) { |
562 | populate_lancer_stats(adapter); | |
005d5696 | 563 | } else { |
ca34fe38 SP |
564 | if (BE2_chip(adapter)) |
565 | populate_be_v0_stats(adapter); | |
61000861 AK |
566 | else if (BE3_chip(adapter)) |
567 | /* for BE3 */ | |
ca34fe38 | 568 | populate_be_v1_stats(adapter); |
61000861 AK |
569 | else |
570 | populate_be_v2_stats(adapter); | |
d51ebd33 | 571 | |
61000861 | 572 | /* erx_v2 is longer than v0, v1. use v2 for v0, v1 access */ |
ca34fe38 | 573 | for_all_rx_queues(adapter, rxo, i) { |
a6c578ef AK |
574 | erx_stat = erx->rx_drops_no_fragments[rxo->q.id]; |
575 | populate_erx_stats(adapter, rxo, erx_stat); | |
ca34fe38 | 576 | } |
09c1c68f | 577 | } |
89a88ab8 AK |
578 | } |
579 | ||
ab1594e9 SP |
580 | static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, |
581 | struct rtnl_link_stats64 *stats) | |
6b7c5b94 | 582 | { |
ab1594e9 | 583 | struct be_adapter *adapter = netdev_priv(netdev); |
89a88ab8 | 584 | struct be_drv_stats *drvs = &adapter->drv_stats; |
3abcdeda | 585 | struct be_rx_obj *rxo; |
3c8def97 | 586 | struct be_tx_obj *txo; |
ab1594e9 SP |
587 | u64 pkts, bytes; |
588 | unsigned int start; | |
3abcdeda | 589 | int i; |
6b7c5b94 | 590 | |
3abcdeda | 591 | for_all_rx_queues(adapter, rxo, i) { |
ab1594e9 SP |
592 | const struct be_rx_stats *rx_stats = rx_stats(rxo); |
593 | do { | |
594 | start = u64_stats_fetch_begin_bh(&rx_stats->sync); | |
595 | pkts = rx_stats(rxo)->rx_pkts; | |
596 | bytes = rx_stats(rxo)->rx_bytes; | |
597 | } while (u64_stats_fetch_retry_bh(&rx_stats->sync, start)); | |
598 | stats->rx_packets += pkts; | |
599 | stats->rx_bytes += bytes; | |
600 | stats->multicast += rx_stats(rxo)->rx_mcast_pkts; | |
601 | stats->rx_dropped += rx_stats(rxo)->rx_drops_no_skbs + | |
602 | rx_stats(rxo)->rx_drops_no_frags; | |
3abcdeda SP |
603 | } |
604 | ||
3c8def97 | 605 | for_all_tx_queues(adapter, txo, i) { |
ab1594e9 SP |
606 | const struct be_tx_stats *tx_stats = tx_stats(txo); |
607 | do { | |
608 | start = u64_stats_fetch_begin_bh(&tx_stats->sync); | |
609 | pkts = tx_stats(txo)->tx_pkts; | |
610 | bytes = tx_stats(txo)->tx_bytes; | |
611 | } while (u64_stats_fetch_retry_bh(&tx_stats->sync, start)); | |
612 | stats->tx_packets += pkts; | |
613 | stats->tx_bytes += bytes; | |
3c8def97 | 614 | } |
6b7c5b94 SP |
615 | |
616 | /* bad pkts received */ | |
ab1594e9 | 617 | stats->rx_errors = drvs->rx_crc_errors + |
89a88ab8 AK |
618 | drvs->rx_alignment_symbol_errors + |
619 | drvs->rx_in_range_errors + | |
620 | drvs->rx_out_range_errors + | |
621 | drvs->rx_frame_too_long + | |
622 | drvs->rx_dropped_too_small + | |
623 | drvs->rx_dropped_too_short + | |
624 | drvs->rx_dropped_header_too_small + | |
625 | drvs->rx_dropped_tcp_length + | |
ab1594e9 | 626 | drvs->rx_dropped_runt; |
68110868 | 627 | |
6b7c5b94 | 628 | /* detailed rx errors */ |
ab1594e9 | 629 | stats->rx_length_errors = drvs->rx_in_range_errors + |
89a88ab8 AK |
630 | drvs->rx_out_range_errors + |
631 | drvs->rx_frame_too_long; | |
68110868 | 632 | |
ab1594e9 | 633 | stats->rx_crc_errors = drvs->rx_crc_errors; |
6b7c5b94 SP |
634 | |
635 | /* frame alignment errors */ | |
ab1594e9 | 636 | stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
68110868 | 637 | |
6b7c5b94 SP |
638 | /* receiver fifo overrun */ |
639 | /* drops_no_pbuf is no per i/f, it's per BE card */ | |
ab1594e9 | 640 | stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
89a88ab8 AK |
641 | drvs->rx_input_fifo_overflow_drop + |
642 | drvs->rx_drops_no_pbuf; | |
ab1594e9 | 643 | return stats; |
6b7c5b94 SP |
644 | } |
645 | ||
b236916a | 646 | void be_link_status_update(struct be_adapter *adapter, u8 link_status) |
6b7c5b94 | 647 | { |
6b7c5b94 SP |
648 | struct net_device *netdev = adapter->netdev; |
649 | ||
b236916a | 650 | if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { |
ea172a01 | 651 | netif_carrier_off(netdev); |
b236916a | 652 | adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; |
6b7c5b94 | 653 | } |
b236916a AK |
654 | |
655 | if ((link_status & LINK_STATUS_MASK) == LINK_UP) | |
656 | netif_carrier_on(netdev); | |
657 | else | |
658 | netif_carrier_off(netdev); | |
6b7c5b94 SP |
659 | } |
660 | ||
3c8def97 | 661 | static void be_tx_stats_update(struct be_tx_obj *txo, |
91992e44 | 662 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
6b7c5b94 | 663 | { |
3c8def97 SP |
664 | struct be_tx_stats *stats = tx_stats(txo); |
665 | ||
ab1594e9 | 666 | u64_stats_update_begin(&stats->sync); |
ac124ff9 SP |
667 | stats->tx_reqs++; |
668 | stats->tx_wrbs += wrb_cnt; | |
669 | stats->tx_bytes += copied; | |
670 | stats->tx_pkts += (gso_segs ? gso_segs : 1); | |
6b7c5b94 | 671 | if (stopped) |
ac124ff9 | 672 | stats->tx_stops++; |
ab1594e9 | 673 | u64_stats_update_end(&stats->sync); |
6b7c5b94 SP |
674 | } |
675 | ||
676 | /* Determine number of WRB entries needed to xmit data in an skb */ | |
fe6d2a38 SP |
677 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
678 | bool *dummy) | |
6b7c5b94 | 679 | { |
ebc8d2ab DM |
680 | int cnt = (skb->len > skb->data_len); |
681 | ||
682 | cnt += skb_shinfo(skb)->nr_frags; | |
683 | ||
6b7c5b94 SP |
684 | /* to account for hdr wrb */ |
685 | cnt++; | |
fe6d2a38 SP |
686 | if (lancer_chip(adapter) || !(cnt & 1)) { |
687 | *dummy = false; | |
688 | } else { | |
6b7c5b94 SP |
689 | /* add a dummy to make it an even num */ |
690 | cnt++; | |
691 | *dummy = true; | |
fe6d2a38 | 692 | } |
6b7c5b94 SP |
693 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
694 | return cnt; | |
695 | } | |
696 | ||
697 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) | |
698 | { | |
699 | wrb->frag_pa_hi = upper_32_bits(addr); | |
700 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; | |
701 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; | |
89b1f496 | 702 | wrb->rsvd0 = 0; |
6b7c5b94 SP |
703 | } |
704 | ||
1ded132d AK |
705 | static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, |
706 | struct sk_buff *skb) | |
707 | { | |
708 | u8 vlan_prio; | |
709 | u16 vlan_tag; | |
710 | ||
711 | vlan_tag = vlan_tx_tag_get(skb); | |
712 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | |
713 | /* If vlan priority provided by OS is NOT in available bmap */ | |
714 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) | |
715 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | | |
716 | adapter->recommended_prio; | |
717 | ||
718 | return vlan_tag; | |
719 | } | |
720 | ||
cc4ce020 | 721 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
bc0c3405 | 722 | struct sk_buff *skb, u32 wrb_cnt, u32 len, bool skip_hw_vlan) |
6b7c5b94 | 723 | { |
1ded132d | 724 | u16 vlan_tag; |
cc4ce020 | 725 | |
6b7c5b94 SP |
726 | memset(hdr, 0, sizeof(*hdr)); |
727 | ||
728 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); | |
729 | ||
49e4b847 | 730 | if (skb_is_gso(skb)) { |
6b7c5b94 SP |
731 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
732 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, | |
733 | hdr, skb_shinfo(skb)->gso_size); | |
fe6d2a38 | 734 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
49e4b847 | 735 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
6b7c5b94 SP |
736 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
737 | if (is_tcp_pkt(skb)) | |
738 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); | |
739 | else if (is_udp_pkt(skb)) | |
740 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); | |
741 | } | |
742 | ||
4c5102f9 | 743 | if (vlan_tx_tag_present(skb)) { |
6b7c5b94 | 744 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
1ded132d | 745 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
cc4ce020 | 746 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); |
6b7c5b94 SP |
747 | } |
748 | ||
bc0c3405 AK |
749 | /* To skip HW VLAN tagging: evt = 1, compl = 0 */ |
750 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, !skip_hw_vlan); | |
6b7c5b94 | 751 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); |
6b7c5b94 SP |
752 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); |
753 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); | |
754 | } | |
755 | ||
2b7bcebf | 756 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, |
7101e111 SP |
757 | bool unmap_single) |
758 | { | |
759 | dma_addr_t dma; | |
760 | ||
761 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); | |
762 | ||
763 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; | |
b681ee77 | 764 | if (wrb->frag_len) { |
7101e111 | 765 | if (unmap_single) |
2b7bcebf IV |
766 | dma_unmap_single(dev, dma, wrb->frag_len, |
767 | DMA_TO_DEVICE); | |
7101e111 | 768 | else |
2b7bcebf | 769 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
7101e111 SP |
770 | } |
771 | } | |
6b7c5b94 | 772 | |
3c8def97 | 773 | static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, |
bc0c3405 AK |
774 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb, |
775 | bool skip_hw_vlan) | |
6b7c5b94 | 776 | { |
7101e111 SP |
777 | dma_addr_t busaddr; |
778 | int i, copied = 0; | |
2b7bcebf | 779 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 | 780 | struct sk_buff *first_skb = skb; |
6b7c5b94 SP |
781 | struct be_eth_wrb *wrb; |
782 | struct be_eth_hdr_wrb *hdr; | |
7101e111 SP |
783 | bool map_single = false; |
784 | u16 map_head; | |
6b7c5b94 | 785 | |
6b7c5b94 SP |
786 | hdr = queue_head_node(txq); |
787 | queue_head_inc(txq); | |
7101e111 | 788 | map_head = txq->head; |
6b7c5b94 | 789 | |
ebc8d2ab | 790 | if (skb->len > skb->data_len) { |
e743d313 | 791 | int len = skb_headlen(skb); |
2b7bcebf IV |
792 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
793 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 SP |
794 | goto dma_err; |
795 | map_single = true; | |
ebc8d2ab DM |
796 | wrb = queue_head_node(txq); |
797 | wrb_fill(wrb, busaddr, len); | |
798 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
799 | queue_head_inc(txq); | |
800 | copied += len; | |
801 | } | |
6b7c5b94 | 802 | |
ebc8d2ab | 803 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
9e903e08 | 804 | const struct skb_frag_struct *frag = |
ebc8d2ab | 805 | &skb_shinfo(skb)->frags[i]; |
b061b39e | 806 | busaddr = skb_frag_dma_map(dev, frag, 0, |
9e903e08 | 807 | skb_frag_size(frag), DMA_TO_DEVICE); |
2b7bcebf | 808 | if (dma_mapping_error(dev, busaddr)) |
7101e111 | 809 | goto dma_err; |
ebc8d2ab | 810 | wrb = queue_head_node(txq); |
9e903e08 | 811 | wrb_fill(wrb, busaddr, skb_frag_size(frag)); |
ebc8d2ab DM |
812 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
813 | queue_head_inc(txq); | |
9e903e08 | 814 | copied += skb_frag_size(frag); |
6b7c5b94 SP |
815 | } |
816 | ||
817 | if (dummy_wrb) { | |
818 | wrb = queue_head_node(txq); | |
819 | wrb_fill(wrb, 0, 0); | |
820 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
821 | queue_head_inc(txq); | |
822 | } | |
823 | ||
bc0c3405 | 824 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied, skip_hw_vlan); |
6b7c5b94 SP |
825 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
826 | ||
827 | return copied; | |
7101e111 SP |
828 | dma_err: |
829 | txq->head = map_head; | |
830 | while (copied) { | |
831 | wrb = queue_head_node(txq); | |
2b7bcebf | 832 | unmap_tx_frag(dev, wrb, map_single); |
7101e111 SP |
833 | map_single = false; |
834 | copied -= wrb->frag_len; | |
835 | queue_head_inc(txq); | |
836 | } | |
837 | return 0; | |
6b7c5b94 SP |
838 | } |
839 | ||
93040ae5 | 840 | static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, |
bc0c3405 AK |
841 | struct sk_buff *skb, |
842 | bool *skip_hw_vlan) | |
93040ae5 SK |
843 | { |
844 | u16 vlan_tag = 0; | |
845 | ||
846 | skb = skb_share_check(skb, GFP_ATOMIC); | |
847 | if (unlikely(!skb)) | |
848 | return skb; | |
849 | ||
efee8e87 | 850 | if (vlan_tx_tag_present(skb)) |
93040ae5 | 851 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
52fe29e4 SB |
852 | |
853 | if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { | |
854 | if (!vlan_tag) | |
855 | vlan_tag = adapter->pvid; | |
856 | /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to | |
857 | * skip VLAN insertion | |
858 | */ | |
859 | if (skip_hw_vlan) | |
860 | *skip_hw_vlan = true; | |
861 | } | |
bc0c3405 AK |
862 | |
863 | if (vlan_tag) { | |
58717686 | 864 | skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
bc0c3405 AK |
865 | if (unlikely(!skb)) |
866 | return skb; | |
bc0c3405 AK |
867 | skb->vlan_tci = 0; |
868 | } | |
869 | ||
870 | /* Insert the outer VLAN, if any */ | |
871 | if (adapter->qnq_vid) { | |
872 | vlan_tag = adapter->qnq_vid; | |
58717686 | 873 | skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
bc0c3405 AK |
874 | if (unlikely(!skb)) |
875 | return skb; | |
876 | if (skip_hw_vlan) | |
877 | *skip_hw_vlan = true; | |
878 | } | |
879 | ||
93040ae5 SK |
880 | return skb; |
881 | } | |
882 | ||
bc0c3405 AK |
883 | static bool be_ipv6_exthdr_check(struct sk_buff *skb) |
884 | { | |
885 | struct ethhdr *eh = (struct ethhdr *)skb->data; | |
886 | u16 offset = ETH_HLEN; | |
887 | ||
888 | if (eh->h_proto == htons(ETH_P_IPV6)) { | |
889 | struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset); | |
890 | ||
891 | offset += sizeof(struct ipv6hdr); | |
892 | if (ip6h->nexthdr != NEXTHDR_TCP && | |
893 | ip6h->nexthdr != NEXTHDR_UDP) { | |
894 | struct ipv6_opt_hdr *ehdr = | |
895 | (struct ipv6_opt_hdr *) (skb->data + offset); | |
896 | ||
897 | /* offending pkt: 2nd byte following IPv6 hdr is 0xff */ | |
898 | if (ehdr->hdrlen == 0xff) | |
899 | return true; | |
900 | } | |
901 | } | |
902 | return false; | |
903 | } | |
904 | ||
905 | static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb) | |
906 | { | |
907 | return vlan_tx_tag_present(skb) || adapter->pvid || adapter->qnq_vid; | |
908 | } | |
909 | ||
ee9c799c SP |
910 | static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, |
911 | struct sk_buff *skb) | |
bc0c3405 | 912 | { |
ee9c799c | 913 | return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); |
bc0c3405 AK |
914 | } |
915 | ||
ee9c799c SP |
916 | static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, |
917 | struct sk_buff *skb, | |
918 | bool *skip_hw_vlan) | |
6b7c5b94 | 919 | { |
d2cb6ce7 | 920 | struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; |
ee9c799c SP |
921 | unsigned int eth_hdr_len; |
922 | struct iphdr *ip; | |
93040ae5 | 923 | |
b54881f9 | 924 | /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less |
48265667 | 925 | * may cause a transmit stall on that port. So the work-around is to |
b54881f9 | 926 | * pad short packets (<= 32 bytes) to a 36-byte length. |
48265667 | 927 | */ |
b54881f9 | 928 | if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { |
48265667 SK |
929 | if (skb_padto(skb, 36)) |
930 | goto tx_drop; | |
931 | skb->len = 36; | |
932 | } | |
933 | ||
1297f9db AK |
934 | /* For padded packets, BE HW modifies tot_len field in IP header |
935 | * incorrecly when VLAN tag is inserted by HW. | |
3904dcc4 | 936 | * For padded packets, Lancer computes incorrect checksum. |
1ded132d | 937 | */ |
ee9c799c SP |
938 | eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? |
939 | VLAN_ETH_HLEN : ETH_HLEN; | |
3904dcc4 SK |
940 | if (skb->len <= 60 && |
941 | (lancer_chip(adapter) || vlan_tx_tag_present(skb)) && | |
ee9c799c | 942 | is_ipv4_pkt(skb)) { |
93040ae5 SK |
943 | ip = (struct iphdr *)ip_hdr(skb); |
944 | pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); | |
945 | } | |
1ded132d | 946 | |
d2cb6ce7 AK |
947 | /* If vlan tag is already inlined in the packet, skip HW VLAN |
948 | * tagging in UMC mode | |
949 | */ | |
950 | if ((adapter->function_mode & UMC_ENABLED) && | |
951 | veh->h_vlan_proto == htons(ETH_P_8021Q)) | |
ee9c799c | 952 | *skip_hw_vlan = true; |
d2cb6ce7 | 953 | |
93040ae5 SK |
954 | /* HW has a bug wherein it will calculate CSUM for VLAN |
955 | * pkts even though it is disabled. | |
956 | * Manually insert VLAN in pkt. | |
957 | */ | |
958 | if (skb->ip_summed != CHECKSUM_PARTIAL && | |
ee9c799c SP |
959 | vlan_tx_tag_present(skb)) { |
960 | skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); | |
bc0c3405 AK |
961 | if (unlikely(!skb)) |
962 | goto tx_drop; | |
963 | } | |
964 | ||
965 | /* HW may lockup when VLAN HW tagging is requested on | |
966 | * certain ipv6 packets. Drop such pkts if the HW workaround to | |
967 | * skip HW tagging is not enabled by FW. | |
968 | */ | |
969 | if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) && | |
ee9c799c SP |
970 | (adapter->pvid || adapter->qnq_vid) && |
971 | !qnq_async_evt_rcvd(adapter))) | |
bc0c3405 AK |
972 | goto tx_drop; |
973 | ||
974 | /* Manual VLAN tag insertion to prevent: | |
975 | * ASIC lockup when the ASIC inserts VLAN tag into | |
976 | * certain ipv6 packets. Insert VLAN tags in driver, | |
977 | * and set event, completion, vlan bits accordingly | |
978 | * in the Tx WRB. | |
979 | */ | |
980 | if (be_ipv6_tx_stall_chk(adapter, skb) && | |
981 | be_vlan_tag_tx_chk(adapter, skb)) { | |
ee9c799c | 982 | skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); |
1ded132d AK |
983 | if (unlikely(!skb)) |
984 | goto tx_drop; | |
1ded132d AK |
985 | } |
986 | ||
ee9c799c SP |
987 | return skb; |
988 | tx_drop: | |
989 | dev_kfree_skb_any(skb); | |
990 | return NULL; | |
991 | } | |
992 | ||
993 | static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) | |
994 | { | |
995 | struct be_adapter *adapter = netdev_priv(netdev); | |
996 | struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)]; | |
997 | struct be_queue_info *txq = &txo->q; | |
998 | bool dummy_wrb, stopped = false; | |
999 | u32 wrb_cnt = 0, copied = 0; | |
1000 | bool skip_hw_vlan = false; | |
1001 | u32 start = txq->head; | |
1002 | ||
1003 | skb = be_xmit_workarounds(adapter, skb, &skip_hw_vlan); | |
bc617526 SP |
1004 | if (!skb) { |
1005 | tx_stats(txo)->tx_drv_drops++; | |
ee9c799c | 1006 | return NETDEV_TX_OK; |
bc617526 | 1007 | } |
ee9c799c | 1008 | |
fe6d2a38 | 1009 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
6b7c5b94 | 1010 | |
bc0c3405 AK |
1011 | copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb, |
1012 | skip_hw_vlan); | |
c190e3c8 | 1013 | if (copied) { |
cd8f76c0 ED |
1014 | int gso_segs = skb_shinfo(skb)->gso_segs; |
1015 | ||
c190e3c8 | 1016 | /* record the sent skb in the sent_skb table */ |
3c8def97 SP |
1017 | BUG_ON(txo->sent_skb_list[start]); |
1018 | txo->sent_skb_list[start] = skb; | |
c190e3c8 AK |
1019 | |
1020 | /* Ensure txq has space for the next skb; Else stop the queue | |
1021 | * *BEFORE* ringing the tx doorbell, so that we serialze the | |
1022 | * tx compls of the current transmit which'll wake up the queue | |
1023 | */ | |
7101e111 | 1024 | atomic_add(wrb_cnt, &txq->used); |
c190e3c8 AK |
1025 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
1026 | txq->len) { | |
3c8def97 | 1027 | netif_stop_subqueue(netdev, skb_get_queue_mapping(skb)); |
c190e3c8 AK |
1028 | stopped = true; |
1029 | } | |
6b7c5b94 | 1030 | |
94d73aaa | 1031 | be_txq_notify(adapter, txo, wrb_cnt); |
6b7c5b94 | 1032 | |
cd8f76c0 | 1033 | be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped); |
c190e3c8 AK |
1034 | } else { |
1035 | txq->head = start; | |
bc617526 | 1036 | tx_stats(txo)->tx_drv_drops++; |
c190e3c8 | 1037 | dev_kfree_skb_any(skb); |
6b7c5b94 | 1038 | } |
6b7c5b94 SP |
1039 | return NETDEV_TX_OK; |
1040 | } | |
1041 | ||
1042 | static int be_change_mtu(struct net_device *netdev, int new_mtu) | |
1043 | { | |
1044 | struct be_adapter *adapter = netdev_priv(netdev); | |
1045 | if (new_mtu < BE_MIN_MTU || | |
34a89b8c AK |
1046 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
1047 | (ETH_HLEN + ETH_FCS_LEN))) { | |
6b7c5b94 SP |
1048 | dev_info(&adapter->pdev->dev, |
1049 | "MTU must be between %d and %d bytes\n", | |
34a89b8c AK |
1050 | BE_MIN_MTU, |
1051 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); | |
6b7c5b94 SP |
1052 | return -EINVAL; |
1053 | } | |
1054 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", | |
1055 | netdev->mtu, new_mtu); | |
1056 | netdev->mtu = new_mtu; | |
1057 | return 0; | |
1058 | } | |
1059 | ||
1060 | /* | |
82903e4b AK |
1061 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
1062 | * If the user configures more, place BE in vlan promiscuous mode. | |
6b7c5b94 | 1063 | */ |
10329df8 | 1064 | static int be_vid_config(struct be_adapter *adapter) |
6b7c5b94 | 1065 | { |
10329df8 SP |
1066 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
1067 | u16 num = 0, i; | |
82903e4b | 1068 | int status = 0; |
1da87b7f | 1069 | |
c0e64ef4 SP |
1070 | /* No need to further configure vids if in promiscuous mode */ |
1071 | if (adapter->promiscuous) | |
1072 | return 0; | |
1073 | ||
92bf14ab | 1074 | if (adapter->vlans_added > be_max_vlans(adapter)) |
0fc16ebf PR |
1075 | goto set_vlan_promisc; |
1076 | ||
1077 | /* Construct VLAN Table to give to HW */ | |
1078 | for (i = 0; i < VLAN_N_VID; i++) | |
1079 | if (adapter->vlan_tag[i]) | |
10329df8 | 1080 | vids[num++] = cpu_to_le16(i); |
0fc16ebf PR |
1081 | |
1082 | status = be_cmd_vlan_config(adapter, adapter->if_handle, | |
012bd387 | 1083 | vids, num, 0); |
0fc16ebf | 1084 | |
0fc16ebf | 1085 | if (status) { |
d9d604f8 AK |
1086 | /* Set to VLAN promisc mode as setting VLAN filter failed */ |
1087 | if (status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES) | |
1088 | goto set_vlan_promisc; | |
1089 | dev_err(&adapter->pdev->dev, | |
1090 | "Setting HW VLAN filtering failed.\n"); | |
1091 | } else { | |
1092 | if (adapter->flags & BE_FLAGS_VLAN_PROMISC) { | |
1093 | /* hw VLAN filtering re-enabled. */ | |
1094 | status = be_cmd_rx_filter(adapter, | |
1095 | BE_FLAGS_VLAN_PROMISC, OFF); | |
1096 | if (!status) { | |
1097 | dev_info(&adapter->pdev->dev, | |
1098 | "Disabling VLAN Promiscuous mode.\n"); | |
1099 | adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; | |
d9d604f8 AK |
1100 | } |
1101 | } | |
6b7c5b94 | 1102 | } |
1da87b7f | 1103 | |
b31c50a7 | 1104 | return status; |
0fc16ebf PR |
1105 | |
1106 | set_vlan_promisc: | |
a6b74e01 SK |
1107 | if (adapter->flags & BE_FLAGS_VLAN_PROMISC) |
1108 | return 0; | |
d9d604f8 AK |
1109 | |
1110 | status = be_cmd_rx_filter(adapter, BE_FLAGS_VLAN_PROMISC, ON); | |
1111 | if (!status) { | |
1112 | dev_info(&adapter->pdev->dev, "Enable VLAN Promiscuous mode\n"); | |
d9d604f8 AK |
1113 | adapter->flags |= BE_FLAGS_VLAN_PROMISC; |
1114 | } else | |
1115 | dev_err(&adapter->pdev->dev, | |
1116 | "Failed to enable VLAN Promiscuous mode.\n"); | |
0fc16ebf | 1117 | return status; |
6b7c5b94 SP |
1118 | } |
1119 | ||
80d5c368 | 1120 | static int be_vlan_add_vid(struct net_device *netdev, __be16 proto, u16 vid) |
6b7c5b94 SP |
1121 | { |
1122 | struct be_adapter *adapter = netdev_priv(netdev); | |
80817cbf | 1123 | int status = 0; |
6b7c5b94 | 1124 | |
a85e9986 PR |
1125 | /* Packets with VID 0 are always received by Lancer by default */ |
1126 | if (lancer_chip(adapter) && vid == 0) | |
1127 | goto ret; | |
1128 | ||
6b7c5b94 | 1129 | adapter->vlan_tag[vid] = 1; |
a6b74e01 | 1130 | adapter->vlans_added++; |
8e586137 | 1131 | |
a6b74e01 SK |
1132 | status = be_vid_config(adapter); |
1133 | if (status) { | |
1134 | adapter->vlans_added--; | |
80817cbf | 1135 | adapter->vlan_tag[vid] = 0; |
a6b74e01 | 1136 | } |
80817cbf AK |
1137 | ret: |
1138 | return status; | |
6b7c5b94 SP |
1139 | } |
1140 | ||
80d5c368 | 1141 | static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid) |
6b7c5b94 SP |
1142 | { |
1143 | struct be_adapter *adapter = netdev_priv(netdev); | |
80817cbf | 1144 | int status = 0; |
6b7c5b94 | 1145 | |
a85e9986 PR |
1146 | /* Packets with VID 0 are always received by Lancer by default */ |
1147 | if (lancer_chip(adapter) && vid == 0) | |
1148 | goto ret; | |
1149 | ||
6b7c5b94 | 1150 | adapter->vlan_tag[vid] = 0; |
a6b74e01 | 1151 | status = be_vid_config(adapter); |
80817cbf AK |
1152 | if (!status) |
1153 | adapter->vlans_added--; | |
1154 | else | |
1155 | adapter->vlan_tag[vid] = 1; | |
1156 | ret: | |
1157 | return status; | |
6b7c5b94 SP |
1158 | } |
1159 | ||
7ad09458 S |
1160 | static void be_clear_promisc(struct be_adapter *adapter) |
1161 | { | |
1162 | adapter->promiscuous = false; | |
1163 | adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; | |
1164 | ||
1165 | be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); | |
1166 | } | |
1167 | ||
a54769f5 | 1168 | static void be_set_rx_mode(struct net_device *netdev) |
6b7c5b94 SP |
1169 | { |
1170 | struct be_adapter *adapter = netdev_priv(netdev); | |
0fc16ebf | 1171 | int status; |
6b7c5b94 | 1172 | |
24307eef | 1173 | if (netdev->flags & IFF_PROMISC) { |
5b8821b7 | 1174 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
24307eef SP |
1175 | adapter->promiscuous = true; |
1176 | goto done; | |
6b7c5b94 SP |
1177 | } |
1178 | ||
25985edc | 1179 | /* BE was previously in promiscuous mode; disable it */ |
24307eef | 1180 | if (adapter->promiscuous) { |
7ad09458 | 1181 | be_clear_promisc(adapter); |
c0e64ef4 | 1182 | if (adapter->vlans_added) |
10329df8 | 1183 | be_vid_config(adapter); |
6b7c5b94 SP |
1184 | } |
1185 | ||
e7b909a6 | 1186 | /* Enable multicast promisc if num configured exceeds what we support */ |
4cd24eaf | 1187 | if (netdev->flags & IFF_ALLMULTI || |
92bf14ab | 1188 | netdev_mc_count(netdev) > be_max_mc(adapter)) { |
5b8821b7 | 1189 | be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); |
24307eef | 1190 | goto done; |
6b7c5b94 | 1191 | } |
6b7c5b94 | 1192 | |
fbc13f01 AK |
1193 | if (netdev_uc_count(netdev) != adapter->uc_macs) { |
1194 | struct netdev_hw_addr *ha; | |
1195 | int i = 1; /* First slot is claimed by the Primary MAC */ | |
1196 | ||
1197 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) { | |
1198 | be_cmd_pmac_del(adapter, adapter->if_handle, | |
1199 | adapter->pmac_id[i], 0); | |
1200 | } | |
1201 | ||
92bf14ab | 1202 | if (netdev_uc_count(netdev) > be_max_uc(adapter)) { |
fbc13f01 AK |
1203 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
1204 | adapter->promiscuous = true; | |
1205 | goto done; | |
1206 | } | |
1207 | ||
1208 | netdev_for_each_uc_addr(ha, adapter->netdev) { | |
1209 | adapter->uc_macs++; /* First slot is for Primary MAC */ | |
1210 | be_cmd_pmac_add(adapter, (u8 *)ha->addr, | |
1211 | adapter->if_handle, | |
1212 | &adapter->pmac_id[adapter->uc_macs], 0); | |
1213 | } | |
1214 | } | |
1215 | ||
0fc16ebf PR |
1216 | status = be_cmd_rx_filter(adapter, IFF_MULTICAST, ON); |
1217 | ||
1218 | /* Set to MCAST promisc mode if setting MULTICAST address fails */ | |
1219 | if (status) { | |
1220 | dev_info(&adapter->pdev->dev, "Exhausted multicast HW filters.\n"); | |
1221 | dev_info(&adapter->pdev->dev, "Disabling HW multicast filtering.\n"); | |
1222 | be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); | |
1223 | } | |
24307eef SP |
1224 | done: |
1225 | return; | |
6b7c5b94 SP |
1226 | } |
1227 | ||
ba343c77 SB |
1228 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
1229 | { | |
1230 | struct be_adapter *adapter = netdev_priv(netdev); | |
11ac75ed | 1231 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
ba343c77 SB |
1232 | int status; |
1233 | ||
11ac75ed | 1234 | if (!sriov_enabled(adapter)) |
ba343c77 SB |
1235 | return -EPERM; |
1236 | ||
11ac75ed | 1237 | if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) |
ba343c77 SB |
1238 | return -EINVAL; |
1239 | ||
3175d8c2 SP |
1240 | if (BEx_chip(adapter)) { |
1241 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, vf_cfg->pmac_id, | |
1242 | vf + 1); | |
ba343c77 | 1243 | |
11ac75ed SP |
1244 | status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, |
1245 | &vf_cfg->pmac_id, vf + 1); | |
3175d8c2 SP |
1246 | } else { |
1247 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, | |
1248 | vf + 1); | |
590c391d PR |
1249 | } |
1250 | ||
64600ea5 | 1251 | if (status) |
ba343c77 SB |
1252 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
1253 | mac, vf); | |
64600ea5 | 1254 | else |
11ac75ed | 1255 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
64600ea5 | 1256 | |
ba343c77 SB |
1257 | return status; |
1258 | } | |
1259 | ||
64600ea5 AK |
1260 | static int be_get_vf_config(struct net_device *netdev, int vf, |
1261 | struct ifla_vf_info *vi) | |
1262 | { | |
1263 | struct be_adapter *adapter = netdev_priv(netdev); | |
11ac75ed | 1264 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
64600ea5 | 1265 | |
11ac75ed | 1266 | if (!sriov_enabled(adapter)) |
64600ea5 AK |
1267 | return -EPERM; |
1268 | ||
11ac75ed | 1269 | if (vf >= adapter->num_vfs) |
64600ea5 AK |
1270 | return -EINVAL; |
1271 | ||
1272 | vi->vf = vf; | |
11ac75ed | 1273 | vi->tx_rate = vf_cfg->tx_rate; |
a60b3a13 AK |
1274 | vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK; |
1275 | vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT; | |
11ac75ed | 1276 | memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); |
64600ea5 AK |
1277 | |
1278 | return 0; | |
1279 | } | |
1280 | ||
1da87b7f AK |
1281 | static int be_set_vf_vlan(struct net_device *netdev, |
1282 | int vf, u16 vlan, u8 qos) | |
1283 | { | |
1284 | struct be_adapter *adapter = netdev_priv(netdev); | |
b9fc0e53 | 1285 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
1da87b7f AK |
1286 | int status = 0; |
1287 | ||
11ac75ed | 1288 | if (!sriov_enabled(adapter)) |
1da87b7f AK |
1289 | return -EPERM; |
1290 | ||
b9fc0e53 | 1291 | if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7) |
1da87b7f AK |
1292 | return -EINVAL; |
1293 | ||
b9fc0e53 AK |
1294 | if (vlan || qos) { |
1295 | vlan |= qos << VLAN_PRIO_SHIFT; | |
c502224e | 1296 | if (vf_cfg->vlan_tag != vlan) |
b9fc0e53 AK |
1297 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, |
1298 | vf_cfg->if_handle, 0); | |
1da87b7f | 1299 | } else { |
f1f3ee1b | 1300 | /* Reset Transparent Vlan Tagging. */ |
c502224e SK |
1301 | status = be_cmd_set_hsw_config(adapter, BE_RESET_VLAN_TAG_ID, |
1302 | vf + 1, vf_cfg->if_handle, 0); | |
1da87b7f AK |
1303 | } |
1304 | ||
c502224e SK |
1305 | if (!status) |
1306 | vf_cfg->vlan_tag = vlan; | |
1307 | else | |
1da87b7f | 1308 | dev_info(&adapter->pdev->dev, |
c502224e | 1309 | "VLAN %d config on VF %d failed\n", vlan, vf); |
1da87b7f AK |
1310 | return status; |
1311 | } | |
1312 | ||
e1d18735 AK |
1313 | static int be_set_vf_tx_rate(struct net_device *netdev, |
1314 | int vf, int rate) | |
1315 | { | |
1316 | struct be_adapter *adapter = netdev_priv(netdev); | |
1317 | int status = 0; | |
1318 | ||
11ac75ed | 1319 | if (!sriov_enabled(adapter)) |
e1d18735 AK |
1320 | return -EPERM; |
1321 | ||
94f434c2 | 1322 | if (vf >= adapter->num_vfs) |
e1d18735 AK |
1323 | return -EINVAL; |
1324 | ||
94f434c2 AK |
1325 | if (rate < 100 || rate > 10000) { |
1326 | dev_err(&adapter->pdev->dev, | |
1327 | "tx rate must be between 100 and 10000 Mbps\n"); | |
1328 | return -EINVAL; | |
1329 | } | |
e1d18735 | 1330 | |
d5c18473 PR |
1331 | if (lancer_chip(adapter)) |
1332 | status = be_cmd_set_profile_config(adapter, rate / 10, vf + 1); | |
1333 | else | |
1334 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); | |
e1d18735 AK |
1335 | |
1336 | if (status) | |
94f434c2 | 1337 | dev_err(&adapter->pdev->dev, |
e1d18735 | 1338 | "tx rate %d on VF %d failed\n", rate, vf); |
94f434c2 AK |
1339 | else |
1340 | adapter->vf_cfg[vf].tx_rate = rate; | |
e1d18735 AK |
1341 | return status; |
1342 | } | |
1343 | ||
2632bafd SP |
1344 | static void be_aic_update(struct be_aic_obj *aic, u64 rx_pkts, u64 tx_pkts, |
1345 | ulong now) | |
6b7c5b94 | 1346 | { |
2632bafd SP |
1347 | aic->rx_pkts_prev = rx_pkts; |
1348 | aic->tx_reqs_prev = tx_pkts; | |
1349 | aic->jiffies = now; | |
1350 | } | |
ac124ff9 | 1351 | |
2632bafd SP |
1352 | static void be_eqd_update(struct be_adapter *adapter) |
1353 | { | |
1354 | struct be_set_eqd set_eqd[MAX_EVT_QS]; | |
1355 | int eqd, i, num = 0, start; | |
1356 | struct be_aic_obj *aic; | |
1357 | struct be_eq_obj *eqo; | |
1358 | struct be_rx_obj *rxo; | |
1359 | struct be_tx_obj *txo; | |
1360 | u64 rx_pkts, tx_pkts; | |
1361 | ulong now; | |
1362 | u32 pps, delta; | |
10ef9ab4 | 1363 | |
2632bafd SP |
1364 | for_all_evt_queues(adapter, eqo, i) { |
1365 | aic = &adapter->aic_obj[eqo->idx]; | |
1366 | if (!aic->enable) { | |
1367 | if (aic->jiffies) | |
1368 | aic->jiffies = 0; | |
1369 | eqd = aic->et_eqd; | |
1370 | goto modify_eqd; | |
1371 | } | |
6b7c5b94 | 1372 | |
2632bafd SP |
1373 | rxo = &adapter->rx_obj[eqo->idx]; |
1374 | do { | |
1375 | start = u64_stats_fetch_begin_bh(&rxo->stats.sync); | |
1376 | rx_pkts = rxo->stats.rx_pkts; | |
1377 | } while (u64_stats_fetch_retry_bh(&rxo->stats.sync, start)); | |
10ef9ab4 | 1378 | |
2632bafd SP |
1379 | txo = &adapter->tx_obj[eqo->idx]; |
1380 | do { | |
1381 | start = u64_stats_fetch_begin_bh(&txo->stats.sync); | |
1382 | tx_pkts = txo->stats.tx_reqs; | |
1383 | } while (u64_stats_fetch_retry_bh(&txo->stats.sync, start)); | |
6b7c5b94 | 1384 | |
6b7c5b94 | 1385 | |
2632bafd SP |
1386 | /* Skip, if wrapped around or first calculation */ |
1387 | now = jiffies; | |
1388 | if (!aic->jiffies || time_before(now, aic->jiffies) || | |
1389 | rx_pkts < aic->rx_pkts_prev || | |
1390 | tx_pkts < aic->tx_reqs_prev) { | |
1391 | be_aic_update(aic, rx_pkts, tx_pkts, now); | |
1392 | continue; | |
1393 | } | |
1394 | ||
1395 | delta = jiffies_to_msecs(now - aic->jiffies); | |
1396 | pps = (((u32)(rx_pkts - aic->rx_pkts_prev) * 1000) / delta) + | |
1397 | (((u32)(tx_pkts - aic->tx_reqs_prev) * 1000) / delta); | |
1398 | eqd = (pps / 15000) << 2; | |
10ef9ab4 | 1399 | |
2632bafd SP |
1400 | if (eqd < 8) |
1401 | eqd = 0; | |
1402 | eqd = min_t(u32, eqd, aic->max_eqd); | |
1403 | eqd = max_t(u32, eqd, aic->min_eqd); | |
1404 | ||
1405 | be_aic_update(aic, rx_pkts, tx_pkts, now); | |
10ef9ab4 | 1406 | modify_eqd: |
2632bafd SP |
1407 | if (eqd != aic->prev_eqd) { |
1408 | set_eqd[num].delay_multiplier = (eqd * 65)/100; | |
1409 | set_eqd[num].eq_id = eqo->q.id; | |
1410 | aic->prev_eqd = eqd; | |
1411 | num++; | |
1412 | } | |
ac124ff9 | 1413 | } |
2632bafd SP |
1414 | |
1415 | if (num) | |
1416 | be_cmd_modify_eqd(adapter, set_eqd, num); | |
6b7c5b94 SP |
1417 | } |
1418 | ||
3abcdeda | 1419 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
2e588f84 | 1420 | struct be_rx_compl_info *rxcp) |
4097f663 | 1421 | { |
ac124ff9 | 1422 | struct be_rx_stats *stats = rx_stats(rxo); |
1ef78abe | 1423 | |
ab1594e9 | 1424 | u64_stats_update_begin(&stats->sync); |
3abcdeda | 1425 | stats->rx_compl++; |
2e588f84 | 1426 | stats->rx_bytes += rxcp->pkt_size; |
3abcdeda | 1427 | stats->rx_pkts++; |
2e588f84 | 1428 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
3abcdeda | 1429 | stats->rx_mcast_pkts++; |
2e588f84 | 1430 | if (rxcp->err) |
ac124ff9 | 1431 | stats->rx_compl_err++; |
ab1594e9 | 1432 | u64_stats_update_end(&stats->sync); |
4097f663 SP |
1433 | } |
1434 | ||
2e588f84 | 1435 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
728a9972 | 1436 | { |
19fad86f PR |
1437 | /* L4 checksum is not reliable for non TCP/UDP packets. |
1438 | * Also ignore ipcksm for ipv6 pkts */ | |
2e588f84 SP |
1439 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
1440 | (rxcp->ip_csum || rxcp->ipv6); | |
728a9972 AK |
1441 | } |
1442 | ||
0b0ef1d0 | 1443 | static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo) |
6b7c5b94 | 1444 | { |
10ef9ab4 | 1445 | struct be_adapter *adapter = rxo->adapter; |
6b7c5b94 | 1446 | struct be_rx_page_info *rx_page_info; |
3abcdeda | 1447 | struct be_queue_info *rxq = &rxo->q; |
0b0ef1d0 | 1448 | u16 frag_idx = rxq->tail; |
6b7c5b94 | 1449 | |
3abcdeda | 1450 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
6b7c5b94 SP |
1451 | BUG_ON(!rx_page_info->page); |
1452 | ||
205859a2 | 1453 | if (rx_page_info->last_page_user) { |
2b7bcebf IV |
1454 | dma_unmap_page(&adapter->pdev->dev, |
1455 | dma_unmap_addr(rx_page_info, bus), | |
1456 | adapter->big_page_size, DMA_FROM_DEVICE); | |
205859a2 AK |
1457 | rx_page_info->last_page_user = false; |
1458 | } | |
6b7c5b94 | 1459 | |
0b0ef1d0 | 1460 | queue_tail_inc(rxq); |
6b7c5b94 SP |
1461 | atomic_dec(&rxq->used); |
1462 | return rx_page_info; | |
1463 | } | |
1464 | ||
1465 | /* Throwaway the data in the Rx completion */ | |
10ef9ab4 SP |
1466 | static void be_rx_compl_discard(struct be_rx_obj *rxo, |
1467 | struct be_rx_compl_info *rxcp) | |
6b7c5b94 | 1468 | { |
6b7c5b94 | 1469 | struct be_rx_page_info *page_info; |
2e588f84 | 1470 | u16 i, num_rcvd = rxcp->num_rcvd; |
6b7c5b94 | 1471 | |
e80d9da6 | 1472 | for (i = 0; i < num_rcvd; i++) { |
0b0ef1d0 | 1473 | page_info = get_rx_page_info(rxo); |
e80d9da6 PR |
1474 | put_page(page_info->page); |
1475 | memset(page_info, 0, sizeof(*page_info)); | |
6b7c5b94 SP |
1476 | } |
1477 | } | |
1478 | ||
1479 | /* | |
1480 | * skb_fill_rx_data forms a complete skb for an ether frame | |
1481 | * indicated by rxcp. | |
1482 | */ | |
10ef9ab4 SP |
1483 | static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, |
1484 | struct be_rx_compl_info *rxcp) | |
6b7c5b94 | 1485 | { |
6b7c5b94 | 1486 | struct be_rx_page_info *page_info; |
2e588f84 SP |
1487 | u16 i, j; |
1488 | u16 hdr_len, curr_frag_len, remaining; | |
6b7c5b94 | 1489 | u8 *start; |
6b7c5b94 | 1490 | |
0b0ef1d0 | 1491 | page_info = get_rx_page_info(rxo); |
6b7c5b94 SP |
1492 | start = page_address(page_info->page) + page_info->page_offset; |
1493 | prefetch(start); | |
1494 | ||
1495 | /* Copy data in the first descriptor of this completion */ | |
2e588f84 | 1496 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
6b7c5b94 | 1497 | |
6b7c5b94 SP |
1498 | skb->len = curr_frag_len; |
1499 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ | |
ac1ae5f3 | 1500 | memcpy(skb->data, start, curr_frag_len); |
6b7c5b94 SP |
1501 | /* Complete packet has now been moved to data */ |
1502 | put_page(page_info->page); | |
1503 | skb->data_len = 0; | |
1504 | skb->tail += curr_frag_len; | |
1505 | } else { | |
ac1ae5f3 ED |
1506 | hdr_len = ETH_HLEN; |
1507 | memcpy(skb->data, start, hdr_len); | |
6b7c5b94 | 1508 | skb_shinfo(skb)->nr_frags = 1; |
b061b39e | 1509 | skb_frag_set_page(skb, 0, page_info->page); |
6b7c5b94 SP |
1510 | skb_shinfo(skb)->frags[0].page_offset = |
1511 | page_info->page_offset + hdr_len; | |
9e903e08 | 1512 | skb_frag_size_set(&skb_shinfo(skb)->frags[0], curr_frag_len - hdr_len); |
6b7c5b94 | 1513 | skb->data_len = curr_frag_len - hdr_len; |
bdb28a97 | 1514 | skb->truesize += rx_frag_size; |
6b7c5b94 SP |
1515 | skb->tail += hdr_len; |
1516 | } | |
205859a2 | 1517 | page_info->page = NULL; |
6b7c5b94 | 1518 | |
2e588f84 SP |
1519 | if (rxcp->pkt_size <= rx_frag_size) { |
1520 | BUG_ON(rxcp->num_rcvd != 1); | |
1521 | return; | |
6b7c5b94 SP |
1522 | } |
1523 | ||
1524 | /* More frags present for this completion */ | |
2e588f84 SP |
1525 | remaining = rxcp->pkt_size - curr_frag_len; |
1526 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { | |
0b0ef1d0 | 1527 | page_info = get_rx_page_info(rxo); |
2e588f84 | 1528 | curr_frag_len = min(remaining, rx_frag_size); |
6b7c5b94 | 1529 | |
bd46cb6c AK |
1530 | /* Coalesce all frags from the same physical page in one slot */ |
1531 | if (page_info->page_offset == 0) { | |
1532 | /* Fresh page */ | |
1533 | j++; | |
b061b39e | 1534 | skb_frag_set_page(skb, j, page_info->page); |
bd46cb6c AK |
1535 | skb_shinfo(skb)->frags[j].page_offset = |
1536 | page_info->page_offset; | |
9e903e08 | 1537 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
bd46cb6c AK |
1538 | skb_shinfo(skb)->nr_frags++; |
1539 | } else { | |
1540 | put_page(page_info->page); | |
1541 | } | |
1542 | ||
9e903e08 | 1543 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
6b7c5b94 SP |
1544 | skb->len += curr_frag_len; |
1545 | skb->data_len += curr_frag_len; | |
bdb28a97 | 1546 | skb->truesize += rx_frag_size; |
2e588f84 | 1547 | remaining -= curr_frag_len; |
205859a2 | 1548 | page_info->page = NULL; |
6b7c5b94 | 1549 | } |
bd46cb6c | 1550 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 SP |
1551 | } |
1552 | ||
5be93b9a | 1553 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
6384a4d0 | 1554 | static void be_rx_compl_process(struct be_rx_obj *rxo, struct napi_struct *napi, |
10ef9ab4 | 1555 | struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1556 | { |
10ef9ab4 | 1557 | struct be_adapter *adapter = rxo->adapter; |
6332c8d3 | 1558 | struct net_device *netdev = adapter->netdev; |
6b7c5b94 | 1559 | struct sk_buff *skb; |
89420424 | 1560 | |
bb349bb4 | 1561 | skb = netdev_alloc_skb_ip_align(netdev, BE_RX_SKB_ALLOC_SIZE); |
a058a632 | 1562 | if (unlikely(!skb)) { |
ac124ff9 | 1563 | rx_stats(rxo)->rx_drops_no_skbs++; |
10ef9ab4 | 1564 | be_rx_compl_discard(rxo, rxcp); |
6b7c5b94 SP |
1565 | return; |
1566 | } | |
1567 | ||
10ef9ab4 | 1568 | skb_fill_rx_data(rxo, skb, rxcp); |
6b7c5b94 | 1569 | |
6332c8d3 | 1570 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
728a9972 | 1571 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
c6ce2f4b SK |
1572 | else |
1573 | skb_checksum_none_assert(skb); | |
6b7c5b94 | 1574 | |
6332c8d3 | 1575 | skb->protocol = eth_type_trans(skb, netdev); |
aaa6daec | 1576 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
10ef9ab4 | 1577 | if (netdev->features & NETIF_F_RXHASH) |
d2464c8c | 1578 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
6384a4d0 | 1579 | skb_mark_napi_id(skb, napi); |
6b7c5b94 | 1580 | |
343e43c0 | 1581 | if (rxcp->vlanf) |
86a9bad3 | 1582 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
4c5102f9 AK |
1583 | |
1584 | netif_receive_skb(skb); | |
6b7c5b94 SP |
1585 | } |
1586 | ||
5be93b9a | 1587 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
4188e7df JH |
1588 | static void be_rx_compl_process_gro(struct be_rx_obj *rxo, |
1589 | struct napi_struct *napi, | |
1590 | struct be_rx_compl_info *rxcp) | |
6b7c5b94 | 1591 | { |
10ef9ab4 | 1592 | struct be_adapter *adapter = rxo->adapter; |
6b7c5b94 | 1593 | struct be_rx_page_info *page_info; |
5be93b9a | 1594 | struct sk_buff *skb = NULL; |
2e588f84 SP |
1595 | u16 remaining, curr_frag_len; |
1596 | u16 i, j; | |
3968fa1e | 1597 | |
10ef9ab4 | 1598 | skb = napi_get_frags(napi); |
5be93b9a | 1599 | if (!skb) { |
10ef9ab4 | 1600 | be_rx_compl_discard(rxo, rxcp); |
5be93b9a AK |
1601 | return; |
1602 | } | |
1603 | ||
2e588f84 SP |
1604 | remaining = rxcp->pkt_size; |
1605 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { | |
0b0ef1d0 | 1606 | page_info = get_rx_page_info(rxo); |
6b7c5b94 SP |
1607 | |
1608 | curr_frag_len = min(remaining, rx_frag_size); | |
1609 | ||
bd46cb6c AK |
1610 | /* Coalesce all frags from the same physical page in one slot */ |
1611 | if (i == 0 || page_info->page_offset == 0) { | |
1612 | /* First frag or Fresh page */ | |
1613 | j++; | |
b061b39e | 1614 | skb_frag_set_page(skb, j, page_info->page); |
5be93b9a AK |
1615 | skb_shinfo(skb)->frags[j].page_offset = |
1616 | page_info->page_offset; | |
9e903e08 | 1617 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
bd46cb6c AK |
1618 | } else { |
1619 | put_page(page_info->page); | |
1620 | } | |
9e903e08 | 1621 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
bdb28a97 | 1622 | skb->truesize += rx_frag_size; |
bd46cb6c | 1623 | remaining -= curr_frag_len; |
6b7c5b94 SP |
1624 | memset(page_info, 0, sizeof(*page_info)); |
1625 | } | |
bd46cb6c | 1626 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1627 | |
5be93b9a | 1628 | skb_shinfo(skb)->nr_frags = j + 1; |
2e588f84 SP |
1629 | skb->len = rxcp->pkt_size; |
1630 | skb->data_len = rxcp->pkt_size; | |
5be93b9a | 1631 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
aaa6daec | 1632 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
4b972914 | 1633 | if (adapter->netdev->features & NETIF_F_RXHASH) |
d2464c8c | 1634 | skb_set_hash(skb, rxcp->rss_hash, PKT_HASH_TYPE_L3); |
6384a4d0 | 1635 | skb_mark_napi_id(skb, napi); |
5be93b9a | 1636 | |
343e43c0 | 1637 | if (rxcp->vlanf) |
86a9bad3 | 1638 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
4c5102f9 | 1639 | |
10ef9ab4 | 1640 | napi_gro_frags(napi); |
2e588f84 SP |
1641 | } |
1642 | ||
10ef9ab4 SP |
1643 | static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, |
1644 | struct be_rx_compl_info *rxcp) | |
2e588f84 SP |
1645 | { |
1646 | rxcp->pkt_size = | |
1647 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); | |
1648 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); | |
1649 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); | |
1650 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, tcpf, compl); | |
9ecb42fd | 1651 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, udpf, compl); |
2e588f84 SP |
1652 | rxcp->ip_csum = |
1653 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); | |
1654 | rxcp->l4_csum = | |
1655 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); | |
1656 | rxcp->ipv6 = | |
1657 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); | |
2e588f84 SP |
1658 | rxcp->num_rcvd = |
1659 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); | |
1660 | rxcp->pkt_type = | |
1661 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); | |
4b972914 | 1662 | rxcp->rss_hash = |
c297977e | 1663 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, compl); |
15d72184 SP |
1664 | if (rxcp->vlanf) { |
1665 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, | |
3c709f8f DM |
1666 | compl); |
1667 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, | |
1668 | compl); | |
15d72184 | 1669 | } |
12004ae9 | 1670 | rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, port, compl); |
2e588f84 SP |
1671 | } |
1672 | ||
10ef9ab4 SP |
1673 | static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, |
1674 | struct be_rx_compl_info *rxcp) | |
2e588f84 SP |
1675 | { |
1676 | rxcp->pkt_size = | |
1677 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); | |
1678 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); | |
1679 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); | |
1680 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, tcpf, compl); | |
9ecb42fd | 1681 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, udpf, compl); |
2e588f84 SP |
1682 | rxcp->ip_csum = |
1683 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); | |
1684 | rxcp->l4_csum = | |
1685 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); | |
1686 | rxcp->ipv6 = | |
1687 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); | |
2e588f84 SP |
1688 | rxcp->num_rcvd = |
1689 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); | |
1690 | rxcp->pkt_type = | |
1691 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); | |
4b972914 | 1692 | rxcp->rss_hash = |
c297977e | 1693 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, compl); |
15d72184 SP |
1694 | if (rxcp->vlanf) { |
1695 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, | |
3c709f8f DM |
1696 | compl); |
1697 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, | |
1698 | compl); | |
15d72184 | 1699 | } |
12004ae9 | 1700 | rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, compl); |
e38b1706 SK |
1701 | rxcp->ip_frag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, |
1702 | ip_frag, compl); | |
2e588f84 SP |
1703 | } |
1704 | ||
1705 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) | |
1706 | { | |
1707 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); | |
1708 | struct be_rx_compl_info *rxcp = &rxo->rxcp; | |
1709 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1710 | |
2e588f84 SP |
1711 | /* For checking the valid bit it is Ok to use either definition as the |
1712 | * valid bit is at the same position in both v0 and v1 Rx compl */ | |
1713 | if (compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] == 0) | |
1714 | return NULL; | |
6b7c5b94 | 1715 | |
2e588f84 SP |
1716 | rmb(); |
1717 | be_dws_le_to_cpu(compl, sizeof(*compl)); | |
6b7c5b94 | 1718 | |
2e588f84 | 1719 | if (adapter->be3_native) |
10ef9ab4 | 1720 | be_parse_rx_compl_v1(compl, rxcp); |
2e588f84 | 1721 | else |
10ef9ab4 | 1722 | be_parse_rx_compl_v0(compl, rxcp); |
6b7c5b94 | 1723 | |
e38b1706 SK |
1724 | if (rxcp->ip_frag) |
1725 | rxcp->l4_csum = 0; | |
1726 | ||
15d72184 SP |
1727 | if (rxcp->vlanf) { |
1728 | /* vlanf could be wrongly set in some cards. | |
1729 | * ignore if vtm is not set */ | |
752961a1 | 1730 | if ((adapter->function_mode & FLEX10_MODE) && !rxcp->vtm) |
15d72184 | 1731 | rxcp->vlanf = 0; |
6b7c5b94 | 1732 | |
15d72184 | 1733 | if (!lancer_chip(adapter)) |
3c709f8f | 1734 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
6b7c5b94 | 1735 | |
939cf306 | 1736 | if (adapter->pvid == (rxcp->vlan_tag & VLAN_VID_MASK) && |
3c709f8f | 1737 | !adapter->vlan_tag[rxcp->vlan_tag]) |
15d72184 SP |
1738 | rxcp->vlanf = 0; |
1739 | } | |
2e588f84 SP |
1740 | |
1741 | /* As the compl has been parsed, reset it; we wont touch it again */ | |
1742 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; | |
6b7c5b94 | 1743 | |
3abcdeda | 1744 | queue_tail_inc(&rxo->cq); |
6b7c5b94 SP |
1745 | return rxcp; |
1746 | } | |
1747 | ||
1829b086 | 1748 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
6b7c5b94 | 1749 | { |
6b7c5b94 | 1750 | u32 order = get_order(size); |
1829b086 | 1751 | |
6b7c5b94 | 1752 | if (order > 0) |
1829b086 ED |
1753 | gfp |= __GFP_COMP; |
1754 | return alloc_pages(gfp, order); | |
6b7c5b94 SP |
1755 | } |
1756 | ||
1757 | /* | |
1758 | * Allocate a page, split it to fragments of size rx_frag_size and post as | |
1759 | * receive buffers to BE | |
1760 | */ | |
1829b086 | 1761 | static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) |
6b7c5b94 | 1762 | { |
3abcdeda | 1763 | struct be_adapter *adapter = rxo->adapter; |
26d92f92 | 1764 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
3abcdeda | 1765 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1766 | struct page *pagep = NULL; |
ba42fad0 | 1767 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 SP |
1768 | struct be_eth_rx_d *rxd; |
1769 | u64 page_dmaaddr = 0, frag_dmaaddr; | |
1770 | u32 posted, page_offset = 0; | |
1771 | ||
3abcdeda | 1772 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1773 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
1774 | if (!pagep) { | |
1829b086 | 1775 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
6b7c5b94 | 1776 | if (unlikely(!pagep)) { |
ac124ff9 | 1777 | rx_stats(rxo)->rx_post_fail++; |
6b7c5b94 SP |
1778 | break; |
1779 | } | |
ba42fad0 IV |
1780 | page_dmaaddr = dma_map_page(dev, pagep, 0, |
1781 | adapter->big_page_size, | |
2b7bcebf | 1782 | DMA_FROM_DEVICE); |
ba42fad0 IV |
1783 | if (dma_mapping_error(dev, page_dmaaddr)) { |
1784 | put_page(pagep); | |
1785 | pagep = NULL; | |
1786 | rx_stats(rxo)->rx_post_fail++; | |
1787 | break; | |
1788 | } | |
6b7c5b94 SP |
1789 | page_info->page_offset = 0; |
1790 | } else { | |
1791 | get_page(pagep); | |
1792 | page_info->page_offset = page_offset + rx_frag_size; | |
1793 | } | |
1794 | page_offset = page_info->page_offset; | |
1795 | page_info->page = pagep; | |
fac6da5b | 1796 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
6b7c5b94 SP |
1797 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
1798 | ||
1799 | rxd = queue_head_node(rxq); | |
1800 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); | |
1801 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); | |
6b7c5b94 SP |
1802 | |
1803 | /* Any space left in the current big page for another frag? */ | |
1804 | if ((page_offset + rx_frag_size + rx_frag_size) > | |
1805 | adapter->big_page_size) { | |
1806 | pagep = NULL; | |
1807 | page_info->last_page_user = true; | |
1808 | } | |
26d92f92 SP |
1809 | |
1810 | prev_page_info = page_info; | |
1811 | queue_head_inc(rxq); | |
10ef9ab4 | 1812 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1813 | } |
1814 | if (pagep) | |
26d92f92 | 1815 | prev_page_info->last_page_user = true; |
6b7c5b94 SP |
1816 | |
1817 | if (posted) { | |
6b7c5b94 | 1818 | atomic_add(posted, &rxq->used); |
6384a4d0 SP |
1819 | if (rxo->rx_post_starved) |
1820 | rxo->rx_post_starved = false; | |
8788fdc2 | 1821 | be_rxq_notify(adapter, rxq->id, posted); |
ea1dae11 SP |
1822 | } else if (atomic_read(&rxq->used) == 0) { |
1823 | /* Let be_worker replenish when memory is available */ | |
3abcdeda | 1824 | rxo->rx_post_starved = true; |
6b7c5b94 | 1825 | } |
6b7c5b94 SP |
1826 | } |
1827 | ||
5fb379ee | 1828 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) |
6b7c5b94 | 1829 | { |
6b7c5b94 SP |
1830 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
1831 | ||
1832 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) | |
1833 | return NULL; | |
1834 | ||
f3eb62d2 | 1835 | rmb(); |
6b7c5b94 SP |
1836 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
1837 | ||
1838 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; | |
1839 | ||
1840 | queue_tail_inc(tx_cq); | |
1841 | return txcp; | |
1842 | } | |
1843 | ||
3c8def97 SP |
1844 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
1845 | struct be_tx_obj *txo, u16 last_index) | |
6b7c5b94 | 1846 | { |
3c8def97 | 1847 | struct be_queue_info *txq = &txo->q; |
a73b796e | 1848 | struct be_eth_wrb *wrb; |
3c8def97 | 1849 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
6b7c5b94 | 1850 | struct sk_buff *sent_skb; |
ec43b1a6 SP |
1851 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
1852 | bool unmap_skb_hdr = true; | |
6b7c5b94 | 1853 | |
ec43b1a6 | 1854 | sent_skb = sent_skbs[txq->tail]; |
6b7c5b94 | 1855 | BUG_ON(!sent_skb); |
ec43b1a6 SP |
1856 | sent_skbs[txq->tail] = NULL; |
1857 | ||
1858 | /* skip header wrb */ | |
a73b796e | 1859 | queue_tail_inc(txq); |
6b7c5b94 | 1860 | |
ec43b1a6 | 1861 | do { |
6b7c5b94 | 1862 | cur_index = txq->tail; |
a73b796e | 1863 | wrb = queue_tail_node(txq); |
2b7bcebf IV |
1864 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
1865 | (unmap_skb_hdr && skb_headlen(sent_skb))); | |
ec43b1a6 SP |
1866 | unmap_skb_hdr = false; |
1867 | ||
6b7c5b94 SP |
1868 | num_wrbs++; |
1869 | queue_tail_inc(txq); | |
ec43b1a6 | 1870 | } while (cur_index != last_index); |
6b7c5b94 | 1871 | |
6b7c5b94 | 1872 | kfree_skb(sent_skb); |
4d586b82 | 1873 | return num_wrbs; |
6b7c5b94 SP |
1874 | } |
1875 | ||
10ef9ab4 SP |
1876 | /* Return the number of events in the event queue */ |
1877 | static inline int events_get(struct be_eq_obj *eqo) | |
859b1e4e | 1878 | { |
10ef9ab4 SP |
1879 | struct be_eq_entry *eqe; |
1880 | int num = 0; | |
859b1e4e | 1881 | |
10ef9ab4 SP |
1882 | do { |
1883 | eqe = queue_tail_node(&eqo->q); | |
1884 | if (eqe->evt == 0) | |
1885 | break; | |
859b1e4e | 1886 | |
10ef9ab4 SP |
1887 | rmb(); |
1888 | eqe->evt = 0; | |
1889 | num++; | |
1890 | queue_tail_inc(&eqo->q); | |
1891 | } while (true); | |
1892 | ||
1893 | return num; | |
859b1e4e SP |
1894 | } |
1895 | ||
10ef9ab4 SP |
1896 | /* Leaves the EQ is disarmed state */ |
1897 | static void be_eq_clean(struct be_eq_obj *eqo) | |
859b1e4e | 1898 | { |
10ef9ab4 | 1899 | int num = events_get(eqo); |
859b1e4e | 1900 | |
10ef9ab4 | 1901 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, num); |
859b1e4e SP |
1902 | } |
1903 | ||
10ef9ab4 | 1904 | static void be_rx_cq_clean(struct be_rx_obj *rxo) |
6b7c5b94 SP |
1905 | { |
1906 | struct be_rx_page_info *page_info; | |
3abcdeda SP |
1907 | struct be_queue_info *rxq = &rxo->q; |
1908 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 1909 | struct be_rx_compl_info *rxcp; |
d23e946c SP |
1910 | struct be_adapter *adapter = rxo->adapter; |
1911 | int flush_wait = 0; | |
6b7c5b94 | 1912 | |
d23e946c SP |
1913 | /* Consume pending rx completions. |
1914 | * Wait for the flush completion (identified by zero num_rcvd) | |
1915 | * to arrive. Notify CQ even when there are no more CQ entries | |
1916 | * for HW to flush partially coalesced CQ entries. | |
1917 | * In Lancer, there is no need to wait for flush compl. | |
1918 | */ | |
1919 | for (;;) { | |
1920 | rxcp = be_rx_compl_get(rxo); | |
1921 | if (rxcp == NULL) { | |
1922 | if (lancer_chip(adapter)) | |
1923 | break; | |
1924 | ||
1925 | if (flush_wait++ > 10 || be_hw_error(adapter)) { | |
1926 | dev_warn(&adapter->pdev->dev, | |
1927 | "did not receive flush compl\n"); | |
1928 | break; | |
1929 | } | |
1930 | be_cq_notify(adapter, rx_cq->id, true, 0); | |
1931 | mdelay(1); | |
1932 | } else { | |
1933 | be_rx_compl_discard(rxo, rxcp); | |
3f5dffe6 | 1934 | be_cq_notify(adapter, rx_cq->id, false, 1); |
d23e946c SP |
1935 | if (rxcp->num_rcvd == 0) |
1936 | break; | |
1937 | } | |
6b7c5b94 SP |
1938 | } |
1939 | ||
d23e946c SP |
1940 | /* After cleanup, leave the CQ in unarmed state */ |
1941 | be_cq_notify(adapter, rx_cq->id, false, 0); | |
1942 | ||
1943 | /* Then free posted rx buffers that were not used */ | |
0b0ef1d0 SR |
1944 | while (atomic_read(&rxq->used) > 0) { |
1945 | page_info = get_rx_page_info(rxo); | |
6b7c5b94 SP |
1946 | put_page(page_info->page); |
1947 | memset(page_info, 0, sizeof(*page_info)); | |
1948 | } | |
1949 | BUG_ON(atomic_read(&rxq->used)); | |
482c9e79 | 1950 | rxq->tail = rxq->head = 0; |
6b7c5b94 SP |
1951 | } |
1952 | ||
0ae57bb3 | 1953 | static void be_tx_compl_clean(struct be_adapter *adapter) |
6b7c5b94 | 1954 | { |
0ae57bb3 SP |
1955 | struct be_tx_obj *txo; |
1956 | struct be_queue_info *txq; | |
a8e9179a | 1957 | struct be_eth_tx_compl *txcp; |
4d586b82 | 1958 | u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
b03388d6 SP |
1959 | struct sk_buff *sent_skb; |
1960 | bool dummy_wrb; | |
0ae57bb3 | 1961 | int i, pending_txqs; |
a8e9179a SP |
1962 | |
1963 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ | |
1964 | do { | |
0ae57bb3 SP |
1965 | pending_txqs = adapter->num_tx_qs; |
1966 | ||
1967 | for_all_tx_queues(adapter, txo, i) { | |
1968 | txq = &txo->q; | |
1969 | while ((txcp = be_tx_compl_get(&txo->cq))) { | |
1970 | end_idx = | |
1971 | AMAP_GET_BITS(struct amap_eth_tx_compl, | |
1972 | wrb_index, txcp); | |
1973 | num_wrbs += be_tx_compl_process(adapter, txo, | |
1974 | end_idx); | |
1975 | cmpl++; | |
1976 | } | |
1977 | if (cmpl) { | |
1978 | be_cq_notify(adapter, txo->cq.id, false, cmpl); | |
1979 | atomic_sub(num_wrbs, &txq->used); | |
1980 | cmpl = 0; | |
1981 | num_wrbs = 0; | |
1982 | } | |
1983 | if (atomic_read(&txq->used) == 0) | |
1984 | pending_txqs--; | |
a8e9179a SP |
1985 | } |
1986 | ||
0ae57bb3 | 1987 | if (pending_txqs == 0 || ++timeo > 200) |
a8e9179a SP |
1988 | break; |
1989 | ||
1990 | mdelay(1); | |
1991 | } while (true); | |
1992 | ||
0ae57bb3 SP |
1993 | for_all_tx_queues(adapter, txo, i) { |
1994 | txq = &txo->q; | |
1995 | if (atomic_read(&txq->used)) | |
1996 | dev_err(&adapter->pdev->dev, "%d pending tx-compls\n", | |
1997 | atomic_read(&txq->used)); | |
1998 | ||
1999 | /* free posted tx for which compls will never arrive */ | |
2000 | while (atomic_read(&txq->used)) { | |
2001 | sent_skb = txo->sent_skb_list[txq->tail]; | |
2002 | end_idx = txq->tail; | |
2003 | num_wrbs = wrb_cnt_for_skb(adapter, sent_skb, | |
2004 | &dummy_wrb); | |
2005 | index_adv(&end_idx, num_wrbs - 1, txq->len); | |
2006 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); | |
2007 | atomic_sub(num_wrbs, &txq->used); | |
2008 | } | |
b03388d6 | 2009 | } |
6b7c5b94 SP |
2010 | } |
2011 | ||
10ef9ab4 SP |
2012 | static void be_evt_queues_destroy(struct be_adapter *adapter) |
2013 | { | |
2014 | struct be_eq_obj *eqo; | |
2015 | int i; | |
2016 | ||
2017 | for_all_evt_queues(adapter, eqo, i) { | |
19d59aa7 PR |
2018 | if (eqo->q.created) { |
2019 | be_eq_clean(eqo); | |
10ef9ab4 | 2020 | be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); |
6384a4d0 | 2021 | napi_hash_del(&eqo->napi); |
68d7bdcb | 2022 | netif_napi_del(&eqo->napi); |
19d59aa7 | 2023 | } |
10ef9ab4 SP |
2024 | be_queue_free(adapter, &eqo->q); |
2025 | } | |
2026 | } | |
2027 | ||
2028 | static int be_evt_queues_create(struct be_adapter *adapter) | |
2029 | { | |
2030 | struct be_queue_info *eq; | |
2031 | struct be_eq_obj *eqo; | |
2632bafd | 2032 | struct be_aic_obj *aic; |
10ef9ab4 SP |
2033 | int i, rc; |
2034 | ||
92bf14ab SP |
2035 | adapter->num_evt_qs = min_t(u16, num_irqs(adapter), |
2036 | adapter->cfg_num_qs); | |
10ef9ab4 SP |
2037 | |
2038 | for_all_evt_queues(adapter, eqo, i) { | |
68d7bdcb SP |
2039 | netif_napi_add(adapter->netdev, &eqo->napi, be_poll, |
2040 | BE_NAPI_WEIGHT); | |
6384a4d0 | 2041 | napi_hash_add(&eqo->napi); |
2632bafd | 2042 | aic = &adapter->aic_obj[i]; |
10ef9ab4 SP |
2043 | eqo->adapter = adapter; |
2044 | eqo->tx_budget = BE_TX_BUDGET; | |
2045 | eqo->idx = i; | |
2632bafd SP |
2046 | aic->max_eqd = BE_MAX_EQD; |
2047 | aic->enable = true; | |
10ef9ab4 SP |
2048 | |
2049 | eq = &eqo->q; | |
2050 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, | |
2051 | sizeof(struct be_eq_entry)); | |
2052 | if (rc) | |
2053 | return rc; | |
2054 | ||
f2f781a7 | 2055 | rc = be_cmd_eq_create(adapter, eqo); |
10ef9ab4 SP |
2056 | if (rc) |
2057 | return rc; | |
2058 | } | |
1cfafab9 | 2059 | return 0; |
10ef9ab4 SP |
2060 | } |
2061 | ||
5fb379ee SP |
2062 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
2063 | { | |
2064 | struct be_queue_info *q; | |
5fb379ee | 2065 | |
8788fdc2 | 2066 | q = &adapter->mcc_obj.q; |
5fb379ee | 2067 | if (q->created) |
8788fdc2 | 2068 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
5fb379ee SP |
2069 | be_queue_free(adapter, q); |
2070 | ||
8788fdc2 | 2071 | q = &adapter->mcc_obj.cq; |
5fb379ee | 2072 | if (q->created) |
8788fdc2 | 2073 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
5fb379ee SP |
2074 | be_queue_free(adapter, q); |
2075 | } | |
2076 | ||
2077 | /* Must be called only after TX qs are created as MCC shares TX EQ */ | |
2078 | static int be_mcc_queues_create(struct be_adapter *adapter) | |
2079 | { | |
2080 | struct be_queue_info *q, *cq; | |
5fb379ee | 2081 | |
8788fdc2 | 2082 | cq = &adapter->mcc_obj.cq; |
5fb379ee | 2083 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
efd2e40a | 2084 | sizeof(struct be_mcc_compl))) |
5fb379ee SP |
2085 | goto err; |
2086 | ||
10ef9ab4 SP |
2087 | /* Use the default EQ for MCC completions */ |
2088 | if (be_cmd_cq_create(adapter, cq, &mcc_eqo(adapter)->q, true, 0)) | |
5fb379ee SP |
2089 | goto mcc_cq_free; |
2090 | ||
8788fdc2 | 2091 | q = &adapter->mcc_obj.q; |
5fb379ee SP |
2092 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
2093 | goto mcc_cq_destroy; | |
2094 | ||
8788fdc2 | 2095 | if (be_cmd_mccq_create(adapter, q, cq)) |
5fb379ee SP |
2096 | goto mcc_q_free; |
2097 | ||
2098 | return 0; | |
2099 | ||
2100 | mcc_q_free: | |
2101 | be_queue_free(adapter, q); | |
2102 | mcc_cq_destroy: | |
8788fdc2 | 2103 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
5fb379ee SP |
2104 | mcc_cq_free: |
2105 | be_queue_free(adapter, cq); | |
2106 | err: | |
2107 | return -1; | |
2108 | } | |
2109 | ||
6b7c5b94 SP |
2110 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
2111 | { | |
2112 | struct be_queue_info *q; | |
3c8def97 SP |
2113 | struct be_tx_obj *txo; |
2114 | u8 i; | |
6b7c5b94 | 2115 | |
3c8def97 SP |
2116 | for_all_tx_queues(adapter, txo, i) { |
2117 | q = &txo->q; | |
2118 | if (q->created) | |
2119 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); | |
2120 | be_queue_free(adapter, q); | |
6b7c5b94 | 2121 | |
3c8def97 SP |
2122 | q = &txo->cq; |
2123 | if (q->created) | |
2124 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
2125 | be_queue_free(adapter, q); | |
2126 | } | |
6b7c5b94 SP |
2127 | } |
2128 | ||
7707133c | 2129 | static int be_tx_qs_create(struct be_adapter *adapter) |
6b7c5b94 | 2130 | { |
10ef9ab4 | 2131 | struct be_queue_info *cq, *eq; |
3c8def97 | 2132 | struct be_tx_obj *txo; |
92bf14ab | 2133 | int status, i; |
6b7c5b94 | 2134 | |
92bf14ab | 2135 | adapter->num_tx_qs = min(adapter->num_evt_qs, be_max_txqs(adapter)); |
dafc0fe3 | 2136 | |
10ef9ab4 SP |
2137 | for_all_tx_queues(adapter, txo, i) { |
2138 | cq = &txo->cq; | |
2139 | status = be_queue_alloc(adapter, cq, TX_CQ_LEN, | |
2140 | sizeof(struct be_eth_tx_compl)); | |
2141 | if (status) | |
2142 | return status; | |
3c8def97 | 2143 | |
827da44c JS |
2144 | u64_stats_init(&txo->stats.sync); |
2145 | u64_stats_init(&txo->stats.sync_compl); | |
2146 | ||
10ef9ab4 SP |
2147 | /* If num_evt_qs is less than num_tx_qs, then more than |
2148 | * one txq share an eq | |
2149 | */ | |
2150 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; | |
2151 | status = be_cmd_cq_create(adapter, cq, eq, false, 3); | |
2152 | if (status) | |
2153 | return status; | |
6b7c5b94 | 2154 | |
10ef9ab4 SP |
2155 | status = be_queue_alloc(adapter, &txo->q, TX_Q_LEN, |
2156 | sizeof(struct be_eth_wrb)); | |
2157 | if (status) | |
2158 | return status; | |
6b7c5b94 | 2159 | |
94d73aaa | 2160 | status = be_cmd_txq_create(adapter, txo); |
10ef9ab4 SP |
2161 | if (status) |
2162 | return status; | |
3c8def97 | 2163 | } |
6b7c5b94 | 2164 | |
d379142b SP |
2165 | dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n", |
2166 | adapter->num_tx_qs); | |
10ef9ab4 | 2167 | return 0; |
6b7c5b94 SP |
2168 | } |
2169 | ||
10ef9ab4 | 2170 | static void be_rx_cqs_destroy(struct be_adapter *adapter) |
6b7c5b94 SP |
2171 | { |
2172 | struct be_queue_info *q; | |
3abcdeda SP |
2173 | struct be_rx_obj *rxo; |
2174 | int i; | |
2175 | ||
2176 | for_all_rx_queues(adapter, rxo, i) { | |
3abcdeda SP |
2177 | q = &rxo->cq; |
2178 | if (q->created) | |
2179 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
2180 | be_queue_free(adapter, q); | |
ac6a0c4a SP |
2181 | } |
2182 | } | |
2183 | ||
10ef9ab4 | 2184 | static int be_rx_cqs_create(struct be_adapter *adapter) |
6b7c5b94 | 2185 | { |
10ef9ab4 | 2186 | struct be_queue_info *eq, *cq; |
3abcdeda SP |
2187 | struct be_rx_obj *rxo; |
2188 | int rc, i; | |
6b7c5b94 | 2189 | |
92bf14ab SP |
2190 | /* We can create as many RSS rings as there are EQs. */ |
2191 | adapter->num_rx_qs = adapter->num_evt_qs; | |
2192 | ||
2193 | /* We'll use RSS only if atleast 2 RSS rings are supported. | |
2194 | * When RSS is used, we'll need a default RXQ for non-IP traffic. | |
10ef9ab4 | 2195 | */ |
92bf14ab SP |
2196 | if (adapter->num_rx_qs > 1) |
2197 | adapter->num_rx_qs++; | |
2198 | ||
6b7c5b94 | 2199 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
3abcdeda SP |
2200 | for_all_rx_queues(adapter, rxo, i) { |
2201 | rxo->adapter = adapter; | |
3abcdeda SP |
2202 | cq = &rxo->cq; |
2203 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, | |
2204 | sizeof(struct be_eth_rx_compl)); | |
2205 | if (rc) | |
10ef9ab4 | 2206 | return rc; |
3abcdeda | 2207 | |
827da44c | 2208 | u64_stats_init(&rxo->stats.sync); |
10ef9ab4 SP |
2209 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
2210 | rc = be_cmd_cq_create(adapter, cq, eq, false, 3); | |
3abcdeda | 2211 | if (rc) |
10ef9ab4 | 2212 | return rc; |
3abcdeda | 2213 | } |
6b7c5b94 | 2214 | |
d379142b SP |
2215 | dev_info(&adapter->pdev->dev, |
2216 | "created %d RSS queue(s) and 1 default RX queue\n", | |
2217 | adapter->num_rx_qs - 1); | |
10ef9ab4 | 2218 | return 0; |
b628bde2 SP |
2219 | } |
2220 | ||
6b7c5b94 SP |
2221 | static irqreturn_t be_intx(int irq, void *dev) |
2222 | { | |
e49cc34f SP |
2223 | struct be_eq_obj *eqo = dev; |
2224 | struct be_adapter *adapter = eqo->adapter; | |
2225 | int num_evts = 0; | |
6b7c5b94 | 2226 | |
d0b9cec3 SP |
2227 | /* IRQ is not expected when NAPI is scheduled as the EQ |
2228 | * will not be armed. | |
2229 | * But, this can happen on Lancer INTx where it takes | |
2230 | * a while to de-assert INTx or in BE2 where occasionaly | |
2231 | * an interrupt may be raised even when EQ is unarmed. | |
2232 | * If NAPI is already scheduled, then counting & notifying | |
2233 | * events will orphan them. | |
e49cc34f | 2234 | */ |
d0b9cec3 | 2235 | if (napi_schedule_prep(&eqo->napi)) { |
e49cc34f | 2236 | num_evts = events_get(eqo); |
d0b9cec3 SP |
2237 | __napi_schedule(&eqo->napi); |
2238 | if (num_evts) | |
2239 | eqo->spurious_intr = 0; | |
2240 | } | |
2241 | be_eq_notify(adapter, eqo->q.id, false, true, num_evts); | |
e49cc34f | 2242 | |
d0b9cec3 SP |
2243 | /* Return IRQ_HANDLED only for the the first spurious intr |
2244 | * after a valid intr to stop the kernel from branding | |
2245 | * this irq as a bad one! | |
e49cc34f | 2246 | */ |
d0b9cec3 SP |
2247 | if (num_evts || eqo->spurious_intr++ == 0) |
2248 | return IRQ_HANDLED; | |
2249 | else | |
2250 | return IRQ_NONE; | |
6b7c5b94 SP |
2251 | } |
2252 | ||
10ef9ab4 | 2253 | static irqreturn_t be_msix(int irq, void *dev) |
6b7c5b94 | 2254 | { |
10ef9ab4 | 2255 | struct be_eq_obj *eqo = dev; |
6b7c5b94 | 2256 | |
0b545a62 SP |
2257 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
2258 | napi_schedule(&eqo->napi); | |
6b7c5b94 SP |
2259 | return IRQ_HANDLED; |
2260 | } | |
2261 | ||
2e588f84 | 2262 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
6b7c5b94 | 2263 | { |
e38b1706 | 2264 | return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false; |
6b7c5b94 SP |
2265 | } |
2266 | ||
10ef9ab4 | 2267 | static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, |
6384a4d0 | 2268 | int budget, int polling) |
6b7c5b94 | 2269 | { |
3abcdeda SP |
2270 | struct be_adapter *adapter = rxo->adapter; |
2271 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 2272 | struct be_rx_compl_info *rxcp; |
6b7c5b94 SP |
2273 | u32 work_done; |
2274 | ||
2275 | for (work_done = 0; work_done < budget; work_done++) { | |
3abcdeda | 2276 | rxcp = be_rx_compl_get(rxo); |
6b7c5b94 SP |
2277 | if (!rxcp) |
2278 | break; | |
2279 | ||
12004ae9 SP |
2280 | /* Is it a flush compl that has no data */ |
2281 | if (unlikely(rxcp->num_rcvd == 0)) | |
2282 | goto loop_continue; | |
2283 | ||
2284 | /* Discard compl with partial DMA Lancer B0 */ | |
2285 | if (unlikely(!rxcp->pkt_size)) { | |
10ef9ab4 | 2286 | be_rx_compl_discard(rxo, rxcp); |
12004ae9 SP |
2287 | goto loop_continue; |
2288 | } | |
2289 | ||
2290 | /* On BE drop pkts that arrive due to imperfect filtering in | |
2291 | * promiscuous mode on some skews | |
2292 | */ | |
2293 | if (unlikely(rxcp->port != adapter->port_num && | |
2294 | !lancer_chip(adapter))) { | |
10ef9ab4 | 2295 | be_rx_compl_discard(rxo, rxcp); |
12004ae9 | 2296 | goto loop_continue; |
64642811 | 2297 | } |
009dd872 | 2298 | |
6384a4d0 SP |
2299 | /* Don't do gro when we're busy_polling */ |
2300 | if (do_gro(rxcp) && polling != BUSY_POLLING) | |
10ef9ab4 | 2301 | be_rx_compl_process_gro(rxo, napi, rxcp); |
12004ae9 | 2302 | else |
6384a4d0 SP |
2303 | be_rx_compl_process(rxo, napi, rxcp); |
2304 | ||
12004ae9 | 2305 | loop_continue: |
2e588f84 | 2306 | be_rx_stats_update(rxo, rxcp); |
6b7c5b94 SP |
2307 | } |
2308 | ||
10ef9ab4 SP |
2309 | if (work_done) { |
2310 | be_cq_notify(adapter, rx_cq->id, true, work_done); | |
9372cacb | 2311 | |
6384a4d0 SP |
2312 | /* When an rx-obj gets into post_starved state, just |
2313 | * let be_worker do the posting. | |
2314 | */ | |
2315 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM && | |
2316 | !rxo->rx_post_starved) | |
10ef9ab4 | 2317 | be_post_rx_frags(rxo, GFP_ATOMIC); |
6b7c5b94 | 2318 | } |
10ef9ab4 | 2319 | |
6b7c5b94 SP |
2320 | return work_done; |
2321 | } | |
2322 | ||
10ef9ab4 SP |
2323 | static bool be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, |
2324 | int budget, int idx) | |
6b7c5b94 | 2325 | { |
6b7c5b94 | 2326 | struct be_eth_tx_compl *txcp; |
10ef9ab4 | 2327 | int num_wrbs = 0, work_done; |
3c8def97 | 2328 | |
10ef9ab4 SP |
2329 | for (work_done = 0; work_done < budget; work_done++) { |
2330 | txcp = be_tx_compl_get(&txo->cq); | |
2331 | if (!txcp) | |
2332 | break; | |
2333 | num_wrbs += be_tx_compl_process(adapter, txo, | |
3c8def97 SP |
2334 | AMAP_GET_BITS(struct amap_eth_tx_compl, |
2335 | wrb_index, txcp)); | |
10ef9ab4 | 2336 | } |
6b7c5b94 | 2337 | |
10ef9ab4 SP |
2338 | if (work_done) { |
2339 | be_cq_notify(adapter, txo->cq.id, true, work_done); | |
2340 | atomic_sub(num_wrbs, &txo->q.used); | |
3c8def97 | 2341 | |
10ef9ab4 SP |
2342 | /* As Tx wrbs have been freed up, wake up netdev queue |
2343 | * if it was stopped due to lack of tx wrbs. */ | |
2344 | if (__netif_subqueue_stopped(adapter->netdev, idx) && | |
2345 | atomic_read(&txo->q.used) < txo->q.len / 2) { | |
2346 | netif_wake_subqueue(adapter->netdev, idx); | |
3c8def97 | 2347 | } |
10ef9ab4 SP |
2348 | |
2349 | u64_stats_update_begin(&tx_stats(txo)->sync_compl); | |
2350 | tx_stats(txo)->tx_compl += work_done; | |
2351 | u64_stats_update_end(&tx_stats(txo)->sync_compl); | |
6b7c5b94 | 2352 | } |
10ef9ab4 SP |
2353 | return (work_done < budget); /* Done */ |
2354 | } | |
6b7c5b94 | 2355 | |
68d7bdcb | 2356 | int be_poll(struct napi_struct *napi, int budget) |
10ef9ab4 SP |
2357 | { |
2358 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); | |
2359 | struct be_adapter *adapter = eqo->adapter; | |
0b545a62 | 2360 | int max_work = 0, work, i, num_evts; |
6384a4d0 | 2361 | struct be_rx_obj *rxo; |
10ef9ab4 | 2362 | bool tx_done; |
f31e50a8 | 2363 | |
0b545a62 SP |
2364 | num_evts = events_get(eqo); |
2365 | ||
10ef9ab4 SP |
2366 | /* Process all TXQs serviced by this EQ */ |
2367 | for (i = eqo->idx; i < adapter->num_tx_qs; i += adapter->num_evt_qs) { | |
2368 | tx_done = be_process_tx(adapter, &adapter->tx_obj[i], | |
2369 | eqo->tx_budget, i); | |
2370 | if (!tx_done) | |
2371 | max_work = budget; | |
f31e50a8 SP |
2372 | } |
2373 | ||
6384a4d0 SP |
2374 | if (be_lock_napi(eqo)) { |
2375 | /* This loop will iterate twice for EQ0 in which | |
2376 | * completions of the last RXQ (default one) are also processed | |
2377 | * For other EQs the loop iterates only once | |
2378 | */ | |
2379 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { | |
2380 | work = be_process_rx(rxo, napi, budget, NAPI_POLLING); | |
2381 | max_work = max(work, max_work); | |
2382 | } | |
2383 | be_unlock_napi(eqo); | |
2384 | } else { | |
2385 | max_work = budget; | |
10ef9ab4 | 2386 | } |
6b7c5b94 | 2387 | |
10ef9ab4 SP |
2388 | if (is_mcc_eqo(eqo)) |
2389 | be_process_mcc(adapter); | |
93c86700 | 2390 | |
10ef9ab4 SP |
2391 | if (max_work < budget) { |
2392 | napi_complete(napi); | |
0b545a62 | 2393 | be_eq_notify(adapter, eqo->q.id, true, false, num_evts); |
10ef9ab4 SP |
2394 | } else { |
2395 | /* As we'll continue in polling mode, count and clear events */ | |
0b545a62 | 2396 | be_eq_notify(adapter, eqo->q.id, false, false, num_evts); |
93c86700 | 2397 | } |
10ef9ab4 | 2398 | return max_work; |
6b7c5b94 SP |
2399 | } |
2400 | ||
6384a4d0 SP |
2401 | #ifdef CONFIG_NET_RX_BUSY_POLL |
2402 | static int be_busy_poll(struct napi_struct *napi) | |
2403 | { | |
2404 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); | |
2405 | struct be_adapter *adapter = eqo->adapter; | |
2406 | struct be_rx_obj *rxo; | |
2407 | int i, work = 0; | |
2408 | ||
2409 | if (!be_lock_busy_poll(eqo)) | |
2410 | return LL_FLUSH_BUSY; | |
2411 | ||
2412 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { | |
2413 | work = be_process_rx(rxo, napi, 4, BUSY_POLLING); | |
2414 | if (work) | |
2415 | break; | |
2416 | } | |
2417 | ||
2418 | be_unlock_busy_poll(eqo); | |
2419 | return work; | |
2420 | } | |
2421 | #endif | |
2422 | ||
f67ef7ba | 2423 | void be_detect_error(struct be_adapter *adapter) |
7c185276 | 2424 | { |
e1cfb67a PR |
2425 | u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; |
2426 | u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; | |
7c185276 AK |
2427 | u32 i; |
2428 | ||
d23e946c | 2429 | if (be_hw_error(adapter)) |
72f02485 SP |
2430 | return; |
2431 | ||
e1cfb67a PR |
2432 | if (lancer_chip(adapter)) { |
2433 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | |
2434 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { | |
2435 | sliport_err1 = ioread32(adapter->db + | |
2436 | SLIPORT_ERROR1_OFFSET); | |
2437 | sliport_err2 = ioread32(adapter->db + | |
2438 | SLIPORT_ERROR2_OFFSET); | |
2439 | } | |
2440 | } else { | |
2441 | pci_read_config_dword(adapter->pdev, | |
2442 | PCICFG_UE_STATUS_LOW, &ue_lo); | |
2443 | pci_read_config_dword(adapter->pdev, | |
2444 | PCICFG_UE_STATUS_HIGH, &ue_hi); | |
2445 | pci_read_config_dword(adapter->pdev, | |
2446 | PCICFG_UE_STATUS_LOW_MASK, &ue_lo_mask); | |
2447 | pci_read_config_dword(adapter->pdev, | |
2448 | PCICFG_UE_STATUS_HI_MASK, &ue_hi_mask); | |
2449 | ||
f67ef7ba PR |
2450 | ue_lo = (ue_lo & ~ue_lo_mask); |
2451 | ue_hi = (ue_hi & ~ue_hi_mask); | |
e1cfb67a | 2452 | } |
7c185276 | 2453 | |
1451ae6e AK |
2454 | /* On certain platforms BE hardware can indicate spurious UEs. |
2455 | * Allow the h/w to stop working completely in case of a real UE. | |
2456 | * Hence not setting the hw_error for UE detection. | |
2457 | */ | |
2458 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { | |
f67ef7ba | 2459 | adapter->hw_error = true; |
4bebb56a SK |
2460 | /* Do not log error messages if its a FW reset */ |
2461 | if (sliport_err1 == SLIPORT_ERROR_FW_RESET1 && | |
2462 | sliport_err2 == SLIPORT_ERROR_FW_RESET2) { | |
2463 | dev_info(&adapter->pdev->dev, | |
2464 | "Firmware update in progress\n"); | |
2465 | return; | |
2466 | } else { | |
2467 | dev_err(&adapter->pdev->dev, | |
2468 | "Error detected in the card\n"); | |
2469 | } | |
f67ef7ba PR |
2470 | } |
2471 | ||
2472 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { | |
2473 | dev_err(&adapter->pdev->dev, | |
2474 | "ERR: sliport status 0x%x\n", sliport_status); | |
2475 | dev_err(&adapter->pdev->dev, | |
2476 | "ERR: sliport error1 0x%x\n", sliport_err1); | |
2477 | dev_err(&adapter->pdev->dev, | |
2478 | "ERR: sliport error2 0x%x\n", sliport_err2); | |
d053de91 AK |
2479 | } |
2480 | ||
e1cfb67a PR |
2481 | if (ue_lo) { |
2482 | for (i = 0; ue_lo; ue_lo >>= 1, i++) { | |
2483 | if (ue_lo & 1) | |
7c185276 AK |
2484 | dev_err(&adapter->pdev->dev, |
2485 | "UE: %s bit set\n", ue_status_low_desc[i]); | |
2486 | } | |
2487 | } | |
f67ef7ba | 2488 | |
e1cfb67a PR |
2489 | if (ue_hi) { |
2490 | for (i = 0; ue_hi; ue_hi >>= 1, i++) { | |
2491 | if (ue_hi & 1) | |
7c185276 AK |
2492 | dev_err(&adapter->pdev->dev, |
2493 | "UE: %s bit set\n", ue_status_hi_desc[i]); | |
2494 | } | |
2495 | } | |
2496 | ||
2497 | } | |
2498 | ||
8d56ff11 SP |
2499 | static void be_msix_disable(struct be_adapter *adapter) |
2500 | { | |
ac6a0c4a | 2501 | if (msix_enabled(adapter)) { |
8d56ff11 | 2502 | pci_disable_msix(adapter->pdev); |
ac6a0c4a | 2503 | adapter->num_msix_vec = 0; |
68d7bdcb | 2504 | adapter->num_msix_roce_vec = 0; |
3abcdeda SP |
2505 | } |
2506 | } | |
2507 | ||
c2bba3df | 2508 | static int be_msix_enable(struct be_adapter *adapter) |
6b7c5b94 | 2509 | { |
92bf14ab | 2510 | int i, status, num_vec; |
d379142b | 2511 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 | 2512 | |
92bf14ab SP |
2513 | /* If RoCE is supported, program the max number of NIC vectors that |
2514 | * may be configured via set-channels, along with vectors needed for | |
2515 | * RoCe. Else, just program the number we'll use initially. | |
2516 | */ | |
2517 | if (be_roce_supported(adapter)) | |
2518 | num_vec = min_t(int, 2 * be_max_eqs(adapter), | |
2519 | 2 * num_online_cpus()); | |
2520 | else | |
2521 | num_vec = adapter->cfg_num_qs; | |
3abcdeda | 2522 | |
ac6a0c4a | 2523 | for (i = 0; i < num_vec; i++) |
6b7c5b94 SP |
2524 | adapter->msix_entries[i].entry = i; |
2525 | ||
ac6a0c4a | 2526 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec); |
3abcdeda SP |
2527 | if (status == 0) { |
2528 | goto done; | |
92bf14ab | 2529 | } else if (status >= MIN_MSIX_VECTORS) { |
ac6a0c4a | 2530 | num_vec = status; |
c2bba3df SK |
2531 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, |
2532 | num_vec); | |
2533 | if (!status) | |
3abcdeda | 2534 | goto done; |
3abcdeda | 2535 | } |
d379142b SP |
2536 | |
2537 | dev_warn(dev, "MSIx enable failed\n"); | |
92bf14ab | 2538 | |
c2bba3df SK |
2539 | /* INTx is not supported in VFs, so fail probe if enable_msix fails */ |
2540 | if (!be_physfn(adapter)) | |
2541 | return status; | |
2542 | return 0; | |
3abcdeda | 2543 | done: |
92bf14ab SP |
2544 | if (be_roce_supported(adapter) && num_vec > MIN_MSIX_VECTORS) { |
2545 | adapter->num_msix_roce_vec = num_vec / 2; | |
2546 | dev_info(dev, "enabled %d MSI-x vector(s) for RoCE\n", | |
2547 | adapter->num_msix_roce_vec); | |
2548 | } | |
2549 | ||
2550 | adapter->num_msix_vec = num_vec - adapter->num_msix_roce_vec; | |
2551 | ||
2552 | dev_info(dev, "enabled %d MSI-x vector(s) for NIC\n", | |
2553 | adapter->num_msix_vec); | |
c2bba3df | 2554 | return 0; |
6b7c5b94 SP |
2555 | } |
2556 | ||
fe6d2a38 | 2557 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
10ef9ab4 | 2558 | struct be_eq_obj *eqo) |
b628bde2 | 2559 | { |
f2f781a7 | 2560 | return adapter->msix_entries[eqo->msix_idx].vector; |
b628bde2 | 2561 | } |
6b7c5b94 | 2562 | |
b628bde2 SP |
2563 | static int be_msix_register(struct be_adapter *adapter) |
2564 | { | |
10ef9ab4 SP |
2565 | struct net_device *netdev = adapter->netdev; |
2566 | struct be_eq_obj *eqo; | |
2567 | int status, i, vec; | |
6b7c5b94 | 2568 | |
10ef9ab4 SP |
2569 | for_all_evt_queues(adapter, eqo, i) { |
2570 | sprintf(eqo->desc, "%s-q%d", netdev->name, i); | |
2571 | vec = be_msix_vec_get(adapter, eqo); | |
2572 | status = request_irq(vec, be_msix, 0, eqo->desc, eqo); | |
3abcdeda SP |
2573 | if (status) |
2574 | goto err_msix; | |
2575 | } | |
b628bde2 | 2576 | |
6b7c5b94 | 2577 | return 0; |
3abcdeda | 2578 | err_msix: |
10ef9ab4 SP |
2579 | for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) |
2580 | free_irq(be_msix_vec_get(adapter, eqo), eqo); | |
2581 | dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", | |
2582 | status); | |
ac6a0c4a | 2583 | be_msix_disable(adapter); |
6b7c5b94 SP |
2584 | return status; |
2585 | } | |
2586 | ||
2587 | static int be_irq_register(struct be_adapter *adapter) | |
2588 | { | |
2589 | struct net_device *netdev = adapter->netdev; | |
2590 | int status; | |
2591 | ||
ac6a0c4a | 2592 | if (msix_enabled(adapter)) { |
6b7c5b94 SP |
2593 | status = be_msix_register(adapter); |
2594 | if (status == 0) | |
2595 | goto done; | |
ba343c77 SB |
2596 | /* INTx is not supported for VF */ |
2597 | if (!be_physfn(adapter)) | |
2598 | return status; | |
6b7c5b94 SP |
2599 | } |
2600 | ||
e49cc34f | 2601 | /* INTx: only the first EQ is used */ |
6b7c5b94 SP |
2602 | netdev->irq = adapter->pdev->irq; |
2603 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, | |
e49cc34f | 2604 | &adapter->eq_obj[0]); |
6b7c5b94 SP |
2605 | if (status) { |
2606 | dev_err(&adapter->pdev->dev, | |
2607 | "INTx request IRQ failed - err %d\n", status); | |
2608 | return status; | |
2609 | } | |
2610 | done: | |
2611 | adapter->isr_registered = true; | |
2612 | return 0; | |
2613 | } | |
2614 | ||
2615 | static void be_irq_unregister(struct be_adapter *adapter) | |
2616 | { | |
2617 | struct net_device *netdev = adapter->netdev; | |
10ef9ab4 | 2618 | struct be_eq_obj *eqo; |
3abcdeda | 2619 | int i; |
6b7c5b94 SP |
2620 | |
2621 | if (!adapter->isr_registered) | |
2622 | return; | |
2623 | ||
2624 | /* INTx */ | |
ac6a0c4a | 2625 | if (!msix_enabled(adapter)) { |
e49cc34f | 2626 | free_irq(netdev->irq, &adapter->eq_obj[0]); |
6b7c5b94 SP |
2627 | goto done; |
2628 | } | |
2629 | ||
2630 | /* MSIx */ | |
10ef9ab4 SP |
2631 | for_all_evt_queues(adapter, eqo, i) |
2632 | free_irq(be_msix_vec_get(adapter, eqo), eqo); | |
3abcdeda | 2633 | |
6b7c5b94 SP |
2634 | done: |
2635 | adapter->isr_registered = false; | |
6b7c5b94 SP |
2636 | } |
2637 | ||
10ef9ab4 | 2638 | static void be_rx_qs_destroy(struct be_adapter *adapter) |
482c9e79 SP |
2639 | { |
2640 | struct be_queue_info *q; | |
2641 | struct be_rx_obj *rxo; | |
2642 | int i; | |
2643 | ||
2644 | for_all_rx_queues(adapter, rxo, i) { | |
2645 | q = &rxo->q; | |
2646 | if (q->created) { | |
2647 | be_cmd_rxq_destroy(adapter, q); | |
10ef9ab4 | 2648 | be_rx_cq_clean(rxo); |
482c9e79 | 2649 | } |
10ef9ab4 | 2650 | be_queue_free(adapter, q); |
482c9e79 SP |
2651 | } |
2652 | } | |
2653 | ||
889cd4b2 SP |
2654 | static int be_close(struct net_device *netdev) |
2655 | { | |
2656 | struct be_adapter *adapter = netdev_priv(netdev); | |
10ef9ab4 SP |
2657 | struct be_eq_obj *eqo; |
2658 | int i; | |
889cd4b2 | 2659 | |
045508a8 PP |
2660 | be_roce_dev_close(adapter); |
2661 | ||
dff345c5 IV |
2662 | if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { |
2663 | for_all_evt_queues(adapter, eqo, i) { | |
04d3d624 | 2664 | napi_disable(&eqo->napi); |
6384a4d0 SP |
2665 | be_disable_busy_poll(eqo); |
2666 | } | |
71237b6f | 2667 | adapter->flags &= ~BE_FLAGS_NAPI_ENABLED; |
04d3d624 | 2668 | } |
a323d9bf SP |
2669 | |
2670 | be_async_mcc_disable(adapter); | |
2671 | ||
2672 | /* Wait for all pending tx completions to arrive so that | |
2673 | * all tx skbs are freed. | |
2674 | */ | |
fba87559 | 2675 | netif_tx_disable(netdev); |
6e1f9975 | 2676 | be_tx_compl_clean(adapter); |
a323d9bf SP |
2677 | |
2678 | be_rx_qs_destroy(adapter); | |
2679 | ||
d11a347d AK |
2680 | for (i = 1; i < (adapter->uc_macs + 1); i++) |
2681 | be_cmd_pmac_del(adapter, adapter->if_handle, | |
2682 | adapter->pmac_id[i], 0); | |
2683 | adapter->uc_macs = 0; | |
2684 | ||
a323d9bf | 2685 | for_all_evt_queues(adapter, eqo, i) { |
10ef9ab4 SP |
2686 | if (msix_enabled(adapter)) |
2687 | synchronize_irq(be_msix_vec_get(adapter, eqo)); | |
2688 | else | |
2689 | synchronize_irq(netdev->irq); | |
2690 | be_eq_clean(eqo); | |
63fcb27f PR |
2691 | } |
2692 | ||
889cd4b2 SP |
2693 | be_irq_unregister(adapter); |
2694 | ||
482c9e79 SP |
2695 | return 0; |
2696 | } | |
2697 | ||
10ef9ab4 | 2698 | static int be_rx_qs_create(struct be_adapter *adapter) |
482c9e79 SP |
2699 | { |
2700 | struct be_rx_obj *rxo; | |
e9008ee9 PR |
2701 | int rc, i, j; |
2702 | u8 rsstable[128]; | |
482c9e79 SP |
2703 | |
2704 | for_all_rx_queues(adapter, rxo, i) { | |
10ef9ab4 SP |
2705 | rc = be_queue_alloc(adapter, &rxo->q, RX_Q_LEN, |
2706 | sizeof(struct be_eth_rx_d)); | |
2707 | if (rc) | |
2708 | return rc; | |
2709 | } | |
2710 | ||
2711 | /* The FW would like the default RXQ to be created first */ | |
2712 | rxo = default_rxo(adapter); | |
2713 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, rx_frag_size, | |
2714 | adapter->if_handle, false, &rxo->rss_id); | |
2715 | if (rc) | |
2716 | return rc; | |
2717 | ||
2718 | for_all_rss_queues(adapter, rxo, i) { | |
482c9e79 | 2719 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
10ef9ab4 SP |
2720 | rx_frag_size, adapter->if_handle, |
2721 | true, &rxo->rss_id); | |
482c9e79 SP |
2722 | if (rc) |
2723 | return rc; | |
2724 | } | |
2725 | ||
2726 | if (be_multi_rxq(adapter)) { | |
e9008ee9 PR |
2727 | for (j = 0; j < 128; j += adapter->num_rx_qs - 1) { |
2728 | for_all_rss_queues(adapter, rxo, i) { | |
2729 | if ((j + i) >= 128) | |
2730 | break; | |
2731 | rsstable[j + i] = rxo->rss_id; | |
2732 | } | |
2733 | } | |
594ad54a SR |
2734 | adapter->rss_flags = RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | |
2735 | RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6; | |
2736 | ||
2737 | if (!BEx_chip(adapter)) | |
2738 | adapter->rss_flags |= RSS_ENABLE_UDP_IPV4 | | |
2739 | RSS_ENABLE_UDP_IPV6; | |
da1388d6 VV |
2740 | } else { |
2741 | /* Disable RSS, if only default RX Q is created */ | |
2742 | adapter->rss_flags = RSS_ENABLE_NONE; | |
2743 | } | |
594ad54a | 2744 | |
da1388d6 VV |
2745 | rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, |
2746 | 128); | |
2747 | if (rc) { | |
2748 | adapter->rss_flags = RSS_ENABLE_NONE; | |
2749 | return rc; | |
482c9e79 SP |
2750 | } |
2751 | ||
2752 | /* First time posting */ | |
10ef9ab4 | 2753 | for_all_rx_queues(adapter, rxo, i) |
482c9e79 | 2754 | be_post_rx_frags(rxo, GFP_KERNEL); |
889cd4b2 SP |
2755 | return 0; |
2756 | } | |
2757 | ||
6b7c5b94 SP |
2758 | static int be_open(struct net_device *netdev) |
2759 | { | |
2760 | struct be_adapter *adapter = netdev_priv(netdev); | |
10ef9ab4 | 2761 | struct be_eq_obj *eqo; |
3abcdeda | 2762 | struct be_rx_obj *rxo; |
10ef9ab4 | 2763 | struct be_tx_obj *txo; |
b236916a | 2764 | u8 link_status; |
3abcdeda | 2765 | int status, i; |
5fb379ee | 2766 | |
10ef9ab4 | 2767 | status = be_rx_qs_create(adapter); |
482c9e79 SP |
2768 | if (status) |
2769 | goto err; | |
2770 | ||
c2bba3df SK |
2771 | status = be_irq_register(adapter); |
2772 | if (status) | |
2773 | goto err; | |
5fb379ee | 2774 | |
10ef9ab4 | 2775 | for_all_rx_queues(adapter, rxo, i) |
3abcdeda | 2776 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
5fb379ee | 2777 | |
10ef9ab4 SP |
2778 | for_all_tx_queues(adapter, txo, i) |
2779 | be_cq_notify(adapter, txo->cq.id, true, 0); | |
2780 | ||
7a1e9b20 SP |
2781 | be_async_mcc_enable(adapter); |
2782 | ||
10ef9ab4 SP |
2783 | for_all_evt_queues(adapter, eqo, i) { |
2784 | napi_enable(&eqo->napi); | |
6384a4d0 | 2785 | be_enable_busy_poll(eqo); |
10ef9ab4 SP |
2786 | be_eq_notify(adapter, eqo->q.id, true, false, 0); |
2787 | } | |
04d3d624 | 2788 | adapter->flags |= BE_FLAGS_NAPI_ENABLED; |
10ef9ab4 | 2789 | |
323ff71e | 2790 | status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); |
b236916a AK |
2791 | if (!status) |
2792 | be_link_status_update(adapter, link_status); | |
2793 | ||
fba87559 | 2794 | netif_tx_start_all_queues(netdev); |
045508a8 | 2795 | be_roce_dev_open(adapter); |
889cd4b2 SP |
2796 | return 0; |
2797 | err: | |
2798 | be_close(adapter->netdev); | |
2799 | return -EIO; | |
5fb379ee SP |
2800 | } |
2801 | ||
71d8d1b5 AK |
2802 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
2803 | { | |
2804 | struct be_dma_mem cmd; | |
2805 | int status = 0; | |
2806 | u8 mac[ETH_ALEN]; | |
2807 | ||
2808 | memset(mac, 0, ETH_ALEN); | |
2809 | ||
2810 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); | |
ede23fa8 JP |
2811 | cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
2812 | GFP_KERNEL); | |
71d8d1b5 AK |
2813 | if (cmd.va == NULL) |
2814 | return -1; | |
71d8d1b5 AK |
2815 | |
2816 | if (enable) { | |
2817 | status = pci_write_config_dword(adapter->pdev, | |
2818 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); | |
2819 | if (status) { | |
2820 | dev_err(&adapter->pdev->dev, | |
2381a55c | 2821 | "Could not enable Wake-on-lan\n"); |
2b7bcebf IV |
2822 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
2823 | cmd.dma); | |
71d8d1b5 AK |
2824 | return status; |
2825 | } | |
2826 | status = be_cmd_enable_magic_wol(adapter, | |
2827 | adapter->netdev->dev_addr, &cmd); | |
2828 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); | |
2829 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); | |
2830 | } else { | |
2831 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); | |
2832 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); | |
2833 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); | |
2834 | } | |
2835 | ||
2b7bcebf | 2836 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
71d8d1b5 AK |
2837 | return status; |
2838 | } | |
2839 | ||
6d87f5c3 AK |
2840 | /* |
2841 | * Generate a seed MAC address from the PF MAC Address using jhash. | |
2842 | * MAC Address for VFs are assigned incrementally starting from the seed. | |
2843 | * These addresses are programmed in the ASIC by the PF and the VF driver | |
2844 | * queries for the MAC address during its probe. | |
2845 | */ | |
4c876616 | 2846 | static int be_vf_eth_addr_config(struct be_adapter *adapter) |
6d87f5c3 | 2847 | { |
f9449ab7 | 2848 | u32 vf; |
3abcdeda | 2849 | int status = 0; |
6d87f5c3 | 2850 | u8 mac[ETH_ALEN]; |
11ac75ed | 2851 | struct be_vf_cfg *vf_cfg; |
6d87f5c3 AK |
2852 | |
2853 | be_vf_eth_addr_generate(adapter, mac); | |
2854 | ||
11ac75ed | 2855 | for_all_vfs(adapter, vf_cfg, vf) { |
3175d8c2 | 2856 | if (BEx_chip(adapter)) |
590c391d | 2857 | status = be_cmd_pmac_add(adapter, mac, |
11ac75ed SP |
2858 | vf_cfg->if_handle, |
2859 | &vf_cfg->pmac_id, vf + 1); | |
3175d8c2 SP |
2860 | else |
2861 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, | |
2862 | vf + 1); | |
590c391d | 2863 | |
6d87f5c3 AK |
2864 | if (status) |
2865 | dev_err(&adapter->pdev->dev, | |
590c391d | 2866 | "Mac address assignment failed for VF %d\n", vf); |
6d87f5c3 | 2867 | else |
11ac75ed | 2868 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
6d87f5c3 AK |
2869 | |
2870 | mac[5] += 1; | |
2871 | } | |
2872 | return status; | |
2873 | } | |
2874 | ||
4c876616 SP |
2875 | static int be_vfs_mac_query(struct be_adapter *adapter) |
2876 | { | |
2877 | int status, vf; | |
2878 | u8 mac[ETH_ALEN]; | |
2879 | struct be_vf_cfg *vf_cfg; | |
4c876616 SP |
2880 | |
2881 | for_all_vfs(adapter, vf_cfg, vf) { | |
b188f090 SR |
2882 | status = be_cmd_get_active_mac(adapter, vf_cfg->pmac_id, |
2883 | mac, vf_cfg->if_handle, | |
2884 | false, vf+1); | |
4c876616 SP |
2885 | if (status) |
2886 | return status; | |
2887 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); | |
2888 | } | |
2889 | return 0; | |
2890 | } | |
2891 | ||
f9449ab7 | 2892 | static void be_vf_clear(struct be_adapter *adapter) |
6d87f5c3 | 2893 | { |
11ac75ed | 2894 | struct be_vf_cfg *vf_cfg; |
6d87f5c3 AK |
2895 | u32 vf; |
2896 | ||
257a3feb | 2897 | if (pci_vfs_assigned(adapter->pdev)) { |
4c876616 SP |
2898 | dev_warn(&adapter->pdev->dev, |
2899 | "VFs are assigned to VMs: not disabling VFs\n"); | |
39f1d94d SP |
2900 | goto done; |
2901 | } | |
2902 | ||
b4c1df93 SP |
2903 | pci_disable_sriov(adapter->pdev); |
2904 | ||
11ac75ed | 2905 | for_all_vfs(adapter, vf_cfg, vf) { |
3175d8c2 | 2906 | if (BEx_chip(adapter)) |
11ac75ed SP |
2907 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
2908 | vf_cfg->pmac_id, vf + 1); | |
3175d8c2 SP |
2909 | else |
2910 | be_cmd_set_mac(adapter, NULL, vf_cfg->if_handle, | |
2911 | vf + 1); | |
f9449ab7 | 2912 | |
11ac75ed SP |
2913 | be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); |
2914 | } | |
39f1d94d SP |
2915 | done: |
2916 | kfree(adapter->vf_cfg); | |
2917 | adapter->num_vfs = 0; | |
6d87f5c3 AK |
2918 | } |
2919 | ||
7707133c SP |
2920 | static void be_clear_queues(struct be_adapter *adapter) |
2921 | { | |
2922 | be_mcc_queues_destroy(adapter); | |
2923 | be_rx_cqs_destroy(adapter); | |
2924 | be_tx_queues_destroy(adapter); | |
2925 | be_evt_queues_destroy(adapter); | |
2926 | } | |
2927 | ||
68d7bdcb | 2928 | static void be_cancel_worker(struct be_adapter *adapter) |
a54769f5 | 2929 | { |
191eb756 SP |
2930 | if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { |
2931 | cancel_delayed_work_sync(&adapter->work); | |
2932 | adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; | |
2933 | } | |
68d7bdcb SP |
2934 | } |
2935 | ||
b05004ad | 2936 | static void be_mac_clear(struct be_adapter *adapter) |
68d7bdcb SP |
2937 | { |
2938 | int i; | |
2939 | ||
b05004ad SK |
2940 | if (adapter->pmac_id) { |
2941 | for (i = 0; i < (adapter->uc_macs + 1); i++) | |
2942 | be_cmd_pmac_del(adapter, adapter->if_handle, | |
2943 | adapter->pmac_id[i], 0); | |
2944 | adapter->uc_macs = 0; | |
2945 | ||
2946 | kfree(adapter->pmac_id); | |
2947 | adapter->pmac_id = NULL; | |
2948 | } | |
2949 | } | |
2950 | ||
2951 | static int be_clear(struct be_adapter *adapter) | |
2952 | { | |
68d7bdcb | 2953 | be_cancel_worker(adapter); |
191eb756 | 2954 | |
11ac75ed | 2955 | if (sriov_enabled(adapter)) |
f9449ab7 SP |
2956 | be_vf_clear(adapter); |
2957 | ||
2d17f403 | 2958 | /* delete the primary mac along with the uc-mac list */ |
b05004ad | 2959 | be_mac_clear(adapter); |
fbc13f01 | 2960 | |
f9449ab7 | 2961 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
a54769f5 | 2962 | |
7707133c | 2963 | be_clear_queues(adapter); |
a54769f5 | 2964 | |
10ef9ab4 | 2965 | be_msix_disable(adapter); |
a54769f5 SP |
2966 | return 0; |
2967 | } | |
2968 | ||
4c876616 | 2969 | static int be_vfs_if_create(struct be_adapter *adapter) |
abb93951 | 2970 | { |
92bf14ab | 2971 | struct be_resources res = {0}; |
4c876616 SP |
2972 | struct be_vf_cfg *vf_cfg; |
2973 | u32 cap_flags, en_flags, vf; | |
922bbe88 | 2974 | int status = 0; |
abb93951 | 2975 | |
4c876616 SP |
2976 | cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
2977 | BE_IF_FLAGS_MULTICAST; | |
abb93951 | 2978 | |
4c876616 | 2979 | for_all_vfs(adapter, vf_cfg, vf) { |
92bf14ab SP |
2980 | if (!BE3_chip(adapter)) { |
2981 | status = be_cmd_get_profile_config(adapter, &res, | |
2982 | vf + 1); | |
2983 | if (!status) | |
2984 | cap_flags = res.if_cap_flags; | |
2985 | } | |
4c876616 SP |
2986 | |
2987 | /* If a FW profile exists, then cap_flags are updated */ | |
2988 | en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | | |
2989 | BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_MULTICAST); | |
2990 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | |
2991 | &vf_cfg->if_handle, vf + 1); | |
2992 | if (status) | |
2993 | goto err; | |
2994 | } | |
2995 | err: | |
2996 | return status; | |
abb93951 PR |
2997 | } |
2998 | ||
39f1d94d | 2999 | static int be_vf_setup_init(struct be_adapter *adapter) |
30128031 | 3000 | { |
11ac75ed | 3001 | struct be_vf_cfg *vf_cfg; |
30128031 SP |
3002 | int vf; |
3003 | ||
39f1d94d SP |
3004 | adapter->vf_cfg = kcalloc(adapter->num_vfs, sizeof(*vf_cfg), |
3005 | GFP_KERNEL); | |
3006 | if (!adapter->vf_cfg) | |
3007 | return -ENOMEM; | |
3008 | ||
11ac75ed SP |
3009 | for_all_vfs(adapter, vf_cfg, vf) { |
3010 | vf_cfg->if_handle = -1; | |
3011 | vf_cfg->pmac_id = -1; | |
30128031 | 3012 | } |
39f1d94d | 3013 | return 0; |
30128031 SP |
3014 | } |
3015 | ||
f9449ab7 SP |
3016 | static int be_vf_setup(struct be_adapter *adapter) |
3017 | { | |
c502224e | 3018 | struct device *dev = &adapter->pdev->dev; |
11ac75ed | 3019 | struct be_vf_cfg *vf_cfg; |
4c876616 | 3020 | int status, old_vfs, vf; |
04a06028 | 3021 | u32 privileges; |
c502224e | 3022 | u16 lnk_speed; |
39f1d94d | 3023 | |
257a3feb | 3024 | old_vfs = pci_num_vf(adapter->pdev); |
4c876616 SP |
3025 | if (old_vfs) { |
3026 | dev_info(dev, "%d VFs are already enabled\n", old_vfs); | |
3027 | if (old_vfs != num_vfs) | |
3028 | dev_warn(dev, "Ignoring num_vfs=%d setting\n", num_vfs); | |
3029 | adapter->num_vfs = old_vfs; | |
39f1d94d | 3030 | } else { |
92bf14ab | 3031 | if (num_vfs > be_max_vfs(adapter)) |
4c876616 | 3032 | dev_info(dev, "Device supports %d VFs and not %d\n", |
92bf14ab SP |
3033 | be_max_vfs(adapter), num_vfs); |
3034 | adapter->num_vfs = min_t(u16, num_vfs, be_max_vfs(adapter)); | |
b4c1df93 | 3035 | if (!adapter->num_vfs) |
4c876616 | 3036 | return 0; |
39f1d94d SP |
3037 | } |
3038 | ||
3039 | status = be_vf_setup_init(adapter); | |
3040 | if (status) | |
3041 | goto err; | |
30128031 | 3042 | |
4c876616 SP |
3043 | if (old_vfs) { |
3044 | for_all_vfs(adapter, vf_cfg, vf) { | |
3045 | status = be_cmd_get_if_id(adapter, vf_cfg, vf); | |
3046 | if (status) | |
3047 | goto err; | |
3048 | } | |
3049 | } else { | |
3050 | status = be_vfs_if_create(adapter); | |
f9449ab7 SP |
3051 | if (status) |
3052 | goto err; | |
f9449ab7 SP |
3053 | } |
3054 | ||
4c876616 SP |
3055 | if (old_vfs) { |
3056 | status = be_vfs_mac_query(adapter); | |
3057 | if (status) | |
3058 | goto err; | |
3059 | } else { | |
39f1d94d SP |
3060 | status = be_vf_eth_addr_config(adapter); |
3061 | if (status) | |
3062 | goto err; | |
3063 | } | |
f9449ab7 | 3064 | |
11ac75ed | 3065 | for_all_vfs(adapter, vf_cfg, vf) { |
04a06028 SP |
3066 | /* Allow VFs to programs MAC/VLAN filters */ |
3067 | status = be_cmd_get_fn_privileges(adapter, &privileges, vf + 1); | |
3068 | if (!status && !(privileges & BE_PRIV_FILTMGMT)) { | |
3069 | status = be_cmd_set_fn_privileges(adapter, | |
3070 | privileges | | |
3071 | BE_PRIV_FILTMGMT, | |
3072 | vf + 1); | |
3073 | if (!status) | |
3074 | dev_info(dev, "VF%d has FILTMGMT privilege\n", | |
3075 | vf); | |
3076 | } | |
3077 | ||
4c876616 SP |
3078 | /* BE3 FW, by default, caps VF TX-rate to 100mbps. |
3079 | * Allow full available bandwidth | |
3080 | */ | |
3081 | if (BE3_chip(adapter) && !old_vfs) | |
3082 | be_cmd_set_qos(adapter, 1000, vf+1); | |
3083 | ||
3084 | status = be_cmd_link_status_query(adapter, &lnk_speed, | |
3085 | NULL, vf + 1); | |
3086 | if (!status) | |
3087 | vf_cfg->tx_rate = lnk_speed; | |
f1f3ee1b | 3088 | |
0599863d VV |
3089 | if (!old_vfs) |
3090 | be_cmd_enable_vf(adapter, vf + 1); | |
f9449ab7 | 3091 | } |
b4c1df93 SP |
3092 | |
3093 | if (!old_vfs) { | |
3094 | status = pci_enable_sriov(adapter->pdev, adapter->num_vfs); | |
3095 | if (status) { | |
3096 | dev_err(dev, "SRIOV enable failed\n"); | |
3097 | adapter->num_vfs = 0; | |
3098 | goto err; | |
3099 | } | |
3100 | } | |
f9449ab7 SP |
3101 | return 0; |
3102 | err: | |
4c876616 SP |
3103 | dev_err(dev, "VF setup failed\n"); |
3104 | be_vf_clear(adapter); | |
f9449ab7 SP |
3105 | return status; |
3106 | } | |
3107 | ||
92bf14ab SP |
3108 | /* On BE2/BE3 FW does not suggest the supported limits */ |
3109 | static void BEx_get_resources(struct be_adapter *adapter, | |
3110 | struct be_resources *res) | |
3111 | { | |
3112 | struct pci_dev *pdev = adapter->pdev; | |
3113 | bool use_sriov = false; | |
e3dc867c | 3114 | int max_vfs; |
92bf14ab | 3115 | |
e3dc867c | 3116 | max_vfs = pci_sriov_get_totalvfs(pdev); |
92bf14ab | 3117 | |
e3dc867c | 3118 | if (BE3_chip(adapter) && sriov_want(adapter)) { |
92bf14ab | 3119 | res->max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; |
b905b5d4 | 3120 | use_sriov = res->max_vfs; |
92bf14ab SP |
3121 | } |
3122 | ||
3123 | if (be_physfn(adapter)) | |
3124 | res->max_uc_mac = BE_UC_PMAC_COUNT; | |
3125 | else | |
3126 | res->max_uc_mac = BE_VF_UC_PMAC_COUNT; | |
3127 | ||
3128 | if (adapter->function_mode & FLEX10_MODE) | |
3129 | res->max_vlans = BE_NUM_VLANS_SUPPORTED/8; | |
1aa9673c AK |
3130 | else if (adapter->function_mode & UMC_ENABLED) |
3131 | res->max_vlans = BE_UMC_NUM_VLANS_SUPPORTED; | |
92bf14ab SP |
3132 | else |
3133 | res->max_vlans = BE_NUM_VLANS_SUPPORTED; | |
3134 | res->max_mcast_mac = BE_MAX_MC; | |
3135 | ||
30f3fe45 | 3136 | /* For BE3 1Gb ports, F/W does not properly support multiple TXQs */ |
92bf14ab | 3137 | if (BE2_chip(adapter) || use_sriov || be_is_mc(adapter) || |
30f3fe45 | 3138 | !be_physfn(adapter) || (adapter->port_num > 1)) |
92bf14ab SP |
3139 | res->max_tx_qs = 1; |
3140 | else | |
3141 | res->max_tx_qs = BE3_MAX_TX_QS; | |
3142 | ||
3143 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && | |
3144 | !use_sriov && be_physfn(adapter)) | |
3145 | res->max_rss_qs = (adapter->be3_native) ? | |
3146 | BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; | |
3147 | res->max_rx_qs = res->max_rss_qs + 1; | |
3148 | ||
e3dc867c SR |
3149 | if (be_physfn(adapter)) |
3150 | res->max_evt_qs = (max_vfs > 0) ? | |
3151 | BE3_SRIOV_MAX_EVT_QS : BE3_MAX_EVT_QS; | |
3152 | else | |
3153 | res->max_evt_qs = 1; | |
92bf14ab SP |
3154 | |
3155 | res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; | |
3156 | if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) | |
3157 | res->if_cap_flags &= ~BE_IF_FLAGS_RSS; | |
3158 | } | |
3159 | ||
30128031 SP |
3160 | static void be_setup_init(struct be_adapter *adapter) |
3161 | { | |
3162 | adapter->vlan_prio_bmap = 0xff; | |
42f11cf2 | 3163 | adapter->phy.link_speed = -1; |
30128031 SP |
3164 | adapter->if_handle = -1; |
3165 | adapter->be3_native = false; | |
3166 | adapter->promiscuous = false; | |
f25b119c PR |
3167 | if (be_physfn(adapter)) |
3168 | adapter->cmd_privileges = MAX_PRIVILEGES; | |
3169 | else | |
3170 | adapter->cmd_privileges = MIN_PRIVILEGES; | |
30128031 SP |
3171 | } |
3172 | ||
92bf14ab | 3173 | static int be_get_resources(struct be_adapter *adapter) |
abb93951 | 3174 | { |
92bf14ab SP |
3175 | struct device *dev = &adapter->pdev->dev; |
3176 | struct be_resources res = {0}; | |
3177 | int status; | |
abb93951 | 3178 | |
92bf14ab SP |
3179 | if (BEx_chip(adapter)) { |
3180 | BEx_get_resources(adapter, &res); | |
3181 | adapter->res = res; | |
abb93951 PR |
3182 | } |
3183 | ||
92bf14ab SP |
3184 | /* For Lancer, SH etc read per-function resource limits from FW. |
3185 | * GET_FUNC_CONFIG returns per function guaranteed limits. | |
3186 | * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits | |
3187 | */ | |
3188 | if (!BEx_chip(adapter)) { | |
3189 | status = be_cmd_get_func_config(adapter, &res); | |
3190 | if (status) | |
3191 | return status; | |
abb93951 | 3192 | |
92bf14ab SP |
3193 | /* If RoCE may be enabled stash away half the EQs for RoCE */ |
3194 | if (be_roce_supported(adapter)) | |
3195 | res.max_evt_qs /= 2; | |
3196 | adapter->res = res; | |
abb93951 | 3197 | |
92bf14ab SP |
3198 | if (be_physfn(adapter)) { |
3199 | status = be_cmd_get_profile_config(adapter, &res, 0); | |
3200 | if (status) | |
3201 | return status; | |
3202 | adapter->res.max_vfs = res.max_vfs; | |
3203 | } | |
abb93951 | 3204 | |
92bf14ab SP |
3205 | dev_info(dev, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n", |
3206 | be_max_txqs(adapter), be_max_rxqs(adapter), | |
3207 | be_max_rss(adapter), be_max_eqs(adapter), | |
3208 | be_max_vfs(adapter)); | |
3209 | dev_info(dev, "Max: uc-macs %d, mc-macs %d, vlans %d\n", | |
3210 | be_max_uc(adapter), be_max_mc(adapter), | |
3211 | be_max_vlans(adapter)); | |
abb93951 | 3212 | } |
4c876616 | 3213 | |
92bf14ab | 3214 | return 0; |
abb93951 PR |
3215 | } |
3216 | ||
39f1d94d SP |
3217 | /* Routine to query per function resource limits */ |
3218 | static int be_get_config(struct be_adapter *adapter) | |
3219 | { | |
542963b7 | 3220 | u16 profile_id; |
4c876616 | 3221 | int status; |
39f1d94d | 3222 | |
abb93951 PR |
3223 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
3224 | &adapter->function_mode, | |
0ad3157e VV |
3225 | &adapter->function_caps, |
3226 | &adapter->asic_rev); | |
abb93951 | 3227 | if (status) |
92bf14ab | 3228 | return status; |
abb93951 | 3229 | |
542963b7 VV |
3230 | if (be_physfn(adapter)) { |
3231 | status = be_cmd_get_active_profile(adapter, &profile_id); | |
3232 | if (!status) | |
3233 | dev_info(&adapter->pdev->dev, | |
3234 | "Using profile 0x%x\n", profile_id); | |
3235 | } | |
3236 | ||
92bf14ab SP |
3237 | status = be_get_resources(adapter); |
3238 | if (status) | |
3239 | return status; | |
abb93951 PR |
3240 | |
3241 | /* primary mac needs 1 pmac entry */ | |
92bf14ab SP |
3242 | adapter->pmac_id = kcalloc(be_max_uc(adapter) + 1, sizeof(u32), |
3243 | GFP_KERNEL); | |
3244 | if (!adapter->pmac_id) | |
3245 | return -ENOMEM; | |
abb93951 | 3246 | |
92bf14ab SP |
3247 | /* Sanitize cfg_num_qs based on HW and platform limits */ |
3248 | adapter->cfg_num_qs = min(adapter->cfg_num_qs, be_max_qs(adapter)); | |
3249 | ||
3250 | return 0; | |
39f1d94d SP |
3251 | } |
3252 | ||
95046b92 SP |
3253 | static int be_mac_setup(struct be_adapter *adapter) |
3254 | { | |
3255 | u8 mac[ETH_ALEN]; | |
3256 | int status; | |
3257 | ||
3258 | if (is_zero_ether_addr(adapter->netdev->dev_addr)) { | |
3259 | status = be_cmd_get_perm_mac(adapter, mac); | |
3260 | if (status) | |
3261 | return status; | |
3262 | ||
3263 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
3264 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
3265 | } else { | |
3266 | /* Maybe the HW was reset; dev_addr must be re-programmed */ | |
3267 | memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); | |
3268 | } | |
3269 | ||
2c7a9dc1 AK |
3270 | /* For BE3-R VFs, the PF programs the initial MAC address */ |
3271 | if (!(BEx_chip(adapter) && be_virtfn(adapter))) | |
3272 | be_cmd_pmac_add(adapter, mac, adapter->if_handle, | |
3273 | &adapter->pmac_id[0], 0); | |
95046b92 SP |
3274 | return 0; |
3275 | } | |
3276 | ||
68d7bdcb SP |
3277 | static void be_schedule_worker(struct be_adapter *adapter) |
3278 | { | |
3279 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); | |
3280 | adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; | |
3281 | } | |
3282 | ||
7707133c | 3283 | static int be_setup_queues(struct be_adapter *adapter) |
5fb379ee | 3284 | { |
68d7bdcb | 3285 | struct net_device *netdev = adapter->netdev; |
10ef9ab4 | 3286 | int status; |
ba343c77 | 3287 | |
7707133c | 3288 | status = be_evt_queues_create(adapter); |
abb93951 PR |
3289 | if (status) |
3290 | goto err; | |
73d540f2 | 3291 | |
7707133c | 3292 | status = be_tx_qs_create(adapter); |
c2bba3df SK |
3293 | if (status) |
3294 | goto err; | |
10ef9ab4 | 3295 | |
7707133c | 3296 | status = be_rx_cqs_create(adapter); |
10ef9ab4 | 3297 | if (status) |
a54769f5 | 3298 | goto err; |
6b7c5b94 | 3299 | |
7707133c | 3300 | status = be_mcc_queues_create(adapter); |
10ef9ab4 SP |
3301 | if (status) |
3302 | goto err; | |
3303 | ||
68d7bdcb SP |
3304 | status = netif_set_real_num_rx_queues(netdev, adapter->num_rx_qs); |
3305 | if (status) | |
3306 | goto err; | |
3307 | ||
3308 | status = netif_set_real_num_tx_queues(netdev, adapter->num_tx_qs); | |
3309 | if (status) | |
3310 | goto err; | |
3311 | ||
7707133c SP |
3312 | return 0; |
3313 | err: | |
3314 | dev_err(&adapter->pdev->dev, "queue_setup failed\n"); | |
3315 | return status; | |
3316 | } | |
3317 | ||
68d7bdcb SP |
3318 | int be_update_queues(struct be_adapter *adapter) |
3319 | { | |
3320 | struct net_device *netdev = adapter->netdev; | |
3321 | int status; | |
3322 | ||
3323 | if (netif_running(netdev)) | |
3324 | be_close(netdev); | |
3325 | ||
3326 | be_cancel_worker(adapter); | |
3327 | ||
3328 | /* If any vectors have been shared with RoCE we cannot re-program | |
3329 | * the MSIx table. | |
3330 | */ | |
3331 | if (!adapter->num_msix_roce_vec) | |
3332 | be_msix_disable(adapter); | |
3333 | ||
3334 | be_clear_queues(adapter); | |
3335 | ||
3336 | if (!msix_enabled(adapter)) { | |
3337 | status = be_msix_enable(adapter); | |
3338 | if (status) | |
3339 | return status; | |
3340 | } | |
3341 | ||
3342 | status = be_setup_queues(adapter); | |
3343 | if (status) | |
3344 | return status; | |
3345 | ||
3346 | be_schedule_worker(adapter); | |
3347 | ||
3348 | if (netif_running(netdev)) | |
3349 | status = be_open(netdev); | |
3350 | ||
3351 | return status; | |
3352 | } | |
3353 | ||
7707133c SP |
3354 | static int be_setup(struct be_adapter *adapter) |
3355 | { | |
3356 | struct device *dev = &adapter->pdev->dev; | |
3357 | u32 tx_fc, rx_fc, en_flags; | |
3358 | int status; | |
3359 | ||
3360 | be_setup_init(adapter); | |
3361 | ||
3362 | if (!lancer_chip(adapter)) | |
3363 | be_cmd_req_native_mode(adapter); | |
3364 | ||
3365 | status = be_get_config(adapter); | |
10ef9ab4 | 3366 | if (status) |
a54769f5 | 3367 | goto err; |
6b7c5b94 | 3368 | |
7707133c | 3369 | status = be_msix_enable(adapter); |
10ef9ab4 | 3370 | if (status) |
a54769f5 | 3371 | goto err; |
6b7c5b94 | 3372 | |
f9449ab7 | 3373 | en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
7707133c | 3374 | BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS; |
abb93951 | 3375 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) |
f9449ab7 | 3376 | en_flags |= BE_IF_FLAGS_RSS; |
92bf14ab SP |
3377 | en_flags = en_flags & be_if_cap_flags(adapter); |
3378 | status = be_cmd_if_create(adapter, be_if_cap_flags(adapter), en_flags, | |
1578e777 | 3379 | &adapter->if_handle, 0); |
7707133c | 3380 | if (status) |
a54769f5 | 3381 | goto err; |
6b7c5b94 | 3382 | |
68d7bdcb SP |
3383 | /* Updating real_num_tx/rx_queues() requires rtnl_lock() */ |
3384 | rtnl_lock(); | |
7707133c | 3385 | status = be_setup_queues(adapter); |
68d7bdcb | 3386 | rtnl_unlock(); |
95046b92 | 3387 | if (status) |
1578e777 PR |
3388 | goto err; |
3389 | ||
7707133c | 3390 | be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); |
7707133c SP |
3391 | |
3392 | status = be_mac_setup(adapter); | |
10ef9ab4 SP |
3393 | if (status) |
3394 | goto err; | |
3395 | ||
eeb65ced | 3396 | be_cmd_get_fw_ver(adapter, adapter->fw_ver, adapter->fw_on_flash); |
5a56eb10 | 3397 | |
e9e2a904 SK |
3398 | if (BE2_chip(adapter) && fw_major_num(adapter->fw_ver) < 4) { |
3399 | dev_err(dev, "Firmware on card is old(%s), IRQs may not work.", | |
3400 | adapter->fw_ver); | |
3401 | dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); | |
3402 | } | |
3403 | ||
1d1e9a46 | 3404 | if (adapter->vlans_added) |
10329df8 | 3405 | be_vid_config(adapter); |
7ab8b0b4 | 3406 | |
a54769f5 | 3407 | be_set_rx_mode(adapter->netdev); |
5fb379ee | 3408 | |
76a9e08e SR |
3409 | be_cmd_get_acpi_wol_cap(adapter); |
3410 | ||
ddc3f5cb | 3411 | be_cmd_get_flow_control(adapter, &tx_fc, &rx_fc); |
590c391d | 3412 | |
ddc3f5cb AK |
3413 | if (rx_fc != adapter->rx_fc || tx_fc != adapter->tx_fc) |
3414 | be_cmd_set_flow_control(adapter, adapter->tx_fc, | |
a54769f5 | 3415 | adapter->rx_fc); |
2dc1deb6 | 3416 | |
b905b5d4 | 3417 | if (sriov_want(adapter)) { |
92bf14ab | 3418 | if (be_max_vfs(adapter)) |
39f1d94d SP |
3419 | be_vf_setup(adapter); |
3420 | else | |
3421 | dev_warn(dev, "device doesn't support SRIOV\n"); | |
f9449ab7 SP |
3422 | } |
3423 | ||
f25b119c PR |
3424 | status = be_cmd_get_phy_info(adapter); |
3425 | if (!status && be_pause_supported(adapter)) | |
42f11cf2 AK |
3426 | adapter->phy.fc_autoneg = 1; |
3427 | ||
68d7bdcb | 3428 | be_schedule_worker(adapter); |
f9449ab7 | 3429 | return 0; |
a54769f5 SP |
3430 | err: |
3431 | be_clear(adapter); | |
3432 | return status; | |
3433 | } | |
6b7c5b94 | 3434 | |
66268739 IV |
3435 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3436 | static void be_netpoll(struct net_device *netdev) | |
3437 | { | |
3438 | struct be_adapter *adapter = netdev_priv(netdev); | |
10ef9ab4 | 3439 | struct be_eq_obj *eqo; |
66268739 IV |
3440 | int i; |
3441 | ||
e49cc34f SP |
3442 | for_all_evt_queues(adapter, eqo, i) { |
3443 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); | |
3444 | napi_schedule(&eqo->napi); | |
3445 | } | |
10ef9ab4 SP |
3446 | |
3447 | return; | |
66268739 IV |
3448 | } |
3449 | #endif | |
3450 | ||
84517482 | 3451 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
4188e7df | 3452 | static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "}; |
c165541e | 3453 | |
fa9a6fed | 3454 | static bool be_flash_redboot(struct be_adapter *adapter, |
3f0d4560 AK |
3455 | const u8 *p, u32 img_start, int image_size, |
3456 | int hdr_size) | |
fa9a6fed SB |
3457 | { |
3458 | u32 crc_offset; | |
3459 | u8 flashed_crc[4]; | |
3460 | int status; | |
3f0d4560 AK |
3461 | |
3462 | crc_offset = hdr_size + img_start + image_size - 4; | |
3463 | ||
fa9a6fed | 3464 | p += crc_offset; |
3f0d4560 AK |
3465 | |
3466 | status = be_cmd_get_flash_crc(adapter, flashed_crc, | |
f510fc64 | 3467 | (image_size - 4)); |
fa9a6fed SB |
3468 | if (status) { |
3469 | dev_err(&adapter->pdev->dev, | |
3470 | "could not get crc from flash, not flashing redboot\n"); | |
3471 | return false; | |
3472 | } | |
3473 | ||
3474 | /*update redboot only if crc does not match*/ | |
3475 | if (!memcmp(flashed_crc, p, 4)) | |
3476 | return false; | |
3477 | else | |
3478 | return true; | |
fa9a6fed SB |
3479 | } |
3480 | ||
306f1348 SP |
3481 | static bool phy_flashing_required(struct be_adapter *adapter) |
3482 | { | |
42f11cf2 AK |
3483 | return (adapter->phy.phy_type == TN_8022 && |
3484 | adapter->phy.interface_type == PHY_TYPE_BASET_10GB); | |
306f1348 SP |
3485 | } |
3486 | ||
c165541e PR |
3487 | static bool is_comp_in_ufi(struct be_adapter *adapter, |
3488 | struct flash_section_info *fsec, int type) | |
3489 | { | |
3490 | int i = 0, img_type = 0; | |
3491 | struct flash_section_info_g2 *fsec_g2 = NULL; | |
3492 | ||
ca34fe38 | 3493 | if (BE2_chip(adapter)) |
c165541e PR |
3494 | fsec_g2 = (struct flash_section_info_g2 *)fsec; |
3495 | ||
3496 | for (i = 0; i < MAX_FLASH_COMP; i++) { | |
3497 | if (fsec_g2) | |
3498 | img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type); | |
3499 | else | |
3500 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); | |
3501 | ||
3502 | if (img_type == type) | |
3503 | return true; | |
3504 | } | |
3505 | return false; | |
3506 | ||
3507 | } | |
3508 | ||
4188e7df | 3509 | static struct flash_section_info *get_fsec_info(struct be_adapter *adapter, |
c165541e PR |
3510 | int header_size, |
3511 | const struct firmware *fw) | |
3512 | { | |
3513 | struct flash_section_info *fsec = NULL; | |
3514 | const u8 *p = fw->data; | |
3515 | ||
3516 | p += header_size; | |
3517 | while (p < (fw->data + fw->size)) { | |
3518 | fsec = (struct flash_section_info *)p; | |
3519 | if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie))) | |
3520 | return fsec; | |
3521 | p += 32; | |
3522 | } | |
3523 | return NULL; | |
3524 | } | |
3525 | ||
773a2d7c PR |
3526 | static int be_flash(struct be_adapter *adapter, const u8 *img, |
3527 | struct be_dma_mem *flash_cmd, int optype, int img_size) | |
3528 | { | |
3529 | u32 total_bytes = 0, flash_op, num_bytes = 0; | |
3530 | int status = 0; | |
3531 | struct be_cmd_write_flashrom *req = flash_cmd->va; | |
3532 | ||
3533 | total_bytes = img_size; | |
3534 | while (total_bytes) { | |
3535 | num_bytes = min_t(u32, 32*1024, total_bytes); | |
3536 | ||
3537 | total_bytes -= num_bytes; | |
3538 | ||
3539 | if (!total_bytes) { | |
3540 | if (optype == OPTYPE_PHY_FW) | |
3541 | flash_op = FLASHROM_OPER_PHY_FLASH; | |
3542 | else | |
3543 | flash_op = FLASHROM_OPER_FLASH; | |
3544 | } else { | |
3545 | if (optype == OPTYPE_PHY_FW) | |
3546 | flash_op = FLASHROM_OPER_PHY_SAVE; | |
3547 | else | |
3548 | flash_op = FLASHROM_OPER_SAVE; | |
3549 | } | |
3550 | ||
be716446 | 3551 | memcpy(req->data_buf, img, num_bytes); |
773a2d7c PR |
3552 | img += num_bytes; |
3553 | status = be_cmd_write_flashrom(adapter, flash_cmd, optype, | |
3554 | flash_op, num_bytes); | |
3555 | if (status) { | |
3556 | if (status == ILLEGAL_IOCTL_REQ && | |
3557 | optype == OPTYPE_PHY_FW) | |
3558 | break; | |
3559 | dev_err(&adapter->pdev->dev, | |
3560 | "cmd to write to flash rom failed.\n"); | |
3561 | return status; | |
3562 | } | |
3563 | } | |
3564 | return 0; | |
3565 | } | |
3566 | ||
0ad3157e | 3567 | /* For BE2, BE3 and BE3-R */ |
ca34fe38 | 3568 | static int be_flash_BEx(struct be_adapter *adapter, |
c165541e PR |
3569 | const struct firmware *fw, |
3570 | struct be_dma_mem *flash_cmd, | |
3571 | int num_of_images) | |
3f0d4560 | 3572 | |
84517482 | 3573 | { |
3f0d4560 | 3574 | int status = 0, i, filehdr_size = 0; |
c165541e | 3575 | int img_hdrs_size = (num_of_images * sizeof(struct image_hdr)); |
84517482 | 3576 | const u8 *p = fw->data; |
215faf9c | 3577 | const struct flash_comp *pflashcomp; |
773a2d7c | 3578 | int num_comp, redboot; |
c165541e PR |
3579 | struct flash_section_info *fsec = NULL; |
3580 | ||
3581 | struct flash_comp gen3_flash_types[] = { | |
3582 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, OPTYPE_ISCSI_ACTIVE, | |
3583 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_iSCSI}, | |
3584 | { FLASH_REDBOOT_START_g3, OPTYPE_REDBOOT, | |
3585 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3, IMAGE_BOOT_CODE}, | |
3586 | { FLASH_iSCSI_BIOS_START_g3, OPTYPE_BIOS, | |
3587 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_ISCSI}, | |
3588 | { FLASH_PXE_BIOS_START_g3, OPTYPE_PXE_BIOS, | |
3589 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_PXE}, | |
3590 | { FLASH_FCoE_BIOS_START_g3, OPTYPE_FCOE_BIOS, | |
3591 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_FCoE}, | |
3592 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, OPTYPE_ISCSI_BACKUP, | |
3593 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_iSCSI}, | |
3594 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, OPTYPE_FCOE_FW_ACTIVE, | |
3595 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_FCoE}, | |
3596 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, OPTYPE_FCOE_FW_BACKUP, | |
3597 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_FCoE}, | |
3598 | { FLASH_NCSI_START_g3, OPTYPE_NCSI_FW, | |
3599 | FLASH_NCSI_IMAGE_MAX_SIZE_g3, IMAGE_NCSI}, | |
3600 | { FLASH_PHY_FW_START_g3, OPTYPE_PHY_FW, | |
3601 | FLASH_PHY_FW_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_PHY} | |
3f0d4560 | 3602 | }; |
c165541e PR |
3603 | |
3604 | struct flash_comp gen2_flash_types[] = { | |
3605 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, OPTYPE_ISCSI_ACTIVE, | |
3606 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_iSCSI}, | |
3607 | { FLASH_REDBOOT_START_g2, OPTYPE_REDBOOT, | |
3608 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2, IMAGE_BOOT_CODE}, | |
3609 | { FLASH_iSCSI_BIOS_START_g2, OPTYPE_BIOS, | |
3610 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_ISCSI}, | |
3611 | { FLASH_PXE_BIOS_START_g2, OPTYPE_PXE_BIOS, | |
3612 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_PXE}, | |
3613 | { FLASH_FCoE_BIOS_START_g2, OPTYPE_FCOE_BIOS, | |
3614 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_FCoE}, | |
3615 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, OPTYPE_ISCSI_BACKUP, | |
3616 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_iSCSI}, | |
3617 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, OPTYPE_FCOE_FW_ACTIVE, | |
3618 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_FCoE}, | |
3619 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, OPTYPE_FCOE_FW_BACKUP, | |
3620 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_FCoE} | |
3f0d4560 AK |
3621 | }; |
3622 | ||
ca34fe38 | 3623 | if (BE3_chip(adapter)) { |
3f0d4560 AK |
3624 | pflashcomp = gen3_flash_types; |
3625 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
215faf9c | 3626 | num_comp = ARRAY_SIZE(gen3_flash_types); |
3f0d4560 AK |
3627 | } else { |
3628 | pflashcomp = gen2_flash_types; | |
3629 | filehdr_size = sizeof(struct flash_file_hdr_g2); | |
215faf9c | 3630 | num_comp = ARRAY_SIZE(gen2_flash_types); |
84517482 | 3631 | } |
ca34fe38 | 3632 | |
c165541e PR |
3633 | /* Get flash section info*/ |
3634 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); | |
3635 | if (!fsec) { | |
3636 | dev_err(&adapter->pdev->dev, | |
3637 | "Invalid Cookie. UFI corrupted ?\n"); | |
3638 | return -1; | |
3639 | } | |
9fe96934 | 3640 | for (i = 0; i < num_comp; i++) { |
c165541e | 3641 | if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type)) |
9fe96934 | 3642 | continue; |
c165541e PR |
3643 | |
3644 | if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) && | |
3645 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) | |
3646 | continue; | |
3647 | ||
773a2d7c PR |
3648 | if (pflashcomp[i].optype == OPTYPE_PHY_FW && |
3649 | !phy_flashing_required(adapter)) | |
306f1348 | 3650 | continue; |
c165541e | 3651 | |
773a2d7c PR |
3652 | if (pflashcomp[i].optype == OPTYPE_REDBOOT) { |
3653 | redboot = be_flash_redboot(adapter, fw->data, | |
3654 | pflashcomp[i].offset, pflashcomp[i].size, | |
3655 | filehdr_size + img_hdrs_size); | |
3656 | if (!redboot) | |
3657 | continue; | |
3658 | } | |
c165541e | 3659 | |
3f0d4560 | 3660 | p = fw->data; |
c165541e | 3661 | p += filehdr_size + pflashcomp[i].offset + img_hdrs_size; |
306f1348 SP |
3662 | if (p + pflashcomp[i].size > fw->data + fw->size) |
3663 | return -1; | |
773a2d7c PR |
3664 | |
3665 | status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype, | |
3666 | pflashcomp[i].size); | |
3667 | if (status) { | |
3668 | dev_err(&adapter->pdev->dev, | |
3669 | "Flashing section type %d failed.\n", | |
3670 | pflashcomp[i].img_type); | |
3671 | return status; | |
84517482 | 3672 | } |
84517482 | 3673 | } |
84517482 AK |
3674 | return 0; |
3675 | } | |
3676 | ||
773a2d7c PR |
3677 | static int be_flash_skyhawk(struct be_adapter *adapter, |
3678 | const struct firmware *fw, | |
3679 | struct be_dma_mem *flash_cmd, int num_of_images) | |
3f0d4560 | 3680 | { |
773a2d7c PR |
3681 | int status = 0, i, filehdr_size = 0; |
3682 | int img_offset, img_size, img_optype, redboot; | |
3683 | int img_hdrs_size = num_of_images * sizeof(struct image_hdr); | |
3684 | const u8 *p = fw->data; | |
3685 | struct flash_section_info *fsec = NULL; | |
3686 | ||
3687 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
3688 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); | |
3689 | if (!fsec) { | |
3690 | dev_err(&adapter->pdev->dev, | |
3691 | "Invalid Cookie. UFI corrupted ?\n"); | |
3692 | return -1; | |
3693 | } | |
3694 | ||
3695 | for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) { | |
3696 | img_offset = le32_to_cpu(fsec->fsec_entry[i].offset); | |
3697 | img_size = le32_to_cpu(fsec->fsec_entry[i].pad_size); | |
3698 | ||
3699 | switch (le32_to_cpu(fsec->fsec_entry[i].type)) { | |
3700 | case IMAGE_FIRMWARE_iSCSI: | |
3701 | img_optype = OPTYPE_ISCSI_ACTIVE; | |
3702 | break; | |
3703 | case IMAGE_BOOT_CODE: | |
3704 | img_optype = OPTYPE_REDBOOT; | |
3705 | break; | |
3706 | case IMAGE_OPTION_ROM_ISCSI: | |
3707 | img_optype = OPTYPE_BIOS; | |
3708 | break; | |
3709 | case IMAGE_OPTION_ROM_PXE: | |
3710 | img_optype = OPTYPE_PXE_BIOS; | |
3711 | break; | |
3712 | case IMAGE_OPTION_ROM_FCoE: | |
3713 | img_optype = OPTYPE_FCOE_BIOS; | |
3714 | break; | |
3715 | case IMAGE_FIRMWARE_BACKUP_iSCSI: | |
3716 | img_optype = OPTYPE_ISCSI_BACKUP; | |
3717 | break; | |
3718 | case IMAGE_NCSI: | |
3719 | img_optype = OPTYPE_NCSI_FW; | |
3720 | break; | |
3721 | default: | |
3722 | continue; | |
3723 | } | |
3724 | ||
3725 | if (img_optype == OPTYPE_REDBOOT) { | |
3726 | redboot = be_flash_redboot(adapter, fw->data, | |
3727 | img_offset, img_size, | |
3728 | filehdr_size + img_hdrs_size); | |
3729 | if (!redboot) | |
3730 | continue; | |
3731 | } | |
3732 | ||
3733 | p = fw->data; | |
3734 | p += filehdr_size + img_offset + img_hdrs_size; | |
3735 | if (p + img_size > fw->data + fw->size) | |
3736 | return -1; | |
3737 | ||
3738 | status = be_flash(adapter, p, flash_cmd, img_optype, img_size); | |
3739 | if (status) { | |
3740 | dev_err(&adapter->pdev->dev, | |
3741 | "Flashing section type %d failed.\n", | |
3742 | fsec->fsec_entry[i].type); | |
3743 | return status; | |
3744 | } | |
3745 | } | |
3746 | return 0; | |
3f0d4560 AK |
3747 | } |
3748 | ||
485bf569 SN |
3749 | static int lancer_fw_download(struct be_adapter *adapter, |
3750 | const struct firmware *fw) | |
84517482 | 3751 | { |
485bf569 SN |
3752 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) |
3753 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" | |
84517482 | 3754 | struct be_dma_mem flash_cmd; |
485bf569 SN |
3755 | const u8 *data_ptr = NULL; |
3756 | u8 *dest_image_ptr = NULL; | |
3757 | size_t image_size = 0; | |
3758 | u32 chunk_size = 0; | |
3759 | u32 data_written = 0; | |
3760 | u32 offset = 0; | |
3761 | int status = 0; | |
3762 | u8 add_status = 0; | |
f67ef7ba | 3763 | u8 change_status; |
84517482 | 3764 | |
485bf569 | 3765 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { |
d9efd2af | 3766 | dev_err(&adapter->pdev->dev, |
485bf569 SN |
3767 | "FW Image not properly aligned. " |
3768 | "Length must be 4 byte aligned.\n"); | |
3769 | status = -EINVAL; | |
3770 | goto lancer_fw_exit; | |
d9efd2af SB |
3771 | } |
3772 | ||
485bf569 SN |
3773 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) |
3774 | + LANCER_FW_DOWNLOAD_CHUNK; | |
3775 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, | |
d0320f75 | 3776 | &flash_cmd.dma, GFP_KERNEL); |
485bf569 SN |
3777 | if (!flash_cmd.va) { |
3778 | status = -ENOMEM; | |
485bf569 SN |
3779 | goto lancer_fw_exit; |
3780 | } | |
84517482 | 3781 | |
485bf569 SN |
3782 | dest_image_ptr = flash_cmd.va + |
3783 | sizeof(struct lancer_cmd_req_write_object); | |
3784 | image_size = fw->size; | |
3785 | data_ptr = fw->data; | |
3786 | ||
3787 | while (image_size) { | |
3788 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); | |
3789 | ||
3790 | /* Copy the image chunk content. */ | |
3791 | memcpy(dest_image_ptr, data_ptr, chunk_size); | |
3792 | ||
3793 | status = lancer_cmd_write_object(adapter, &flash_cmd, | |
f67ef7ba PR |
3794 | chunk_size, offset, |
3795 | LANCER_FW_DOWNLOAD_LOCATION, | |
3796 | &data_written, &change_status, | |
3797 | &add_status); | |
485bf569 SN |
3798 | if (status) |
3799 | break; | |
3800 | ||
3801 | offset += data_written; | |
3802 | data_ptr += data_written; | |
3803 | image_size -= data_written; | |
3804 | } | |
3805 | ||
3806 | if (!status) { | |
3807 | /* Commit the FW written */ | |
3808 | status = lancer_cmd_write_object(adapter, &flash_cmd, | |
f67ef7ba PR |
3809 | 0, offset, |
3810 | LANCER_FW_DOWNLOAD_LOCATION, | |
3811 | &data_written, &change_status, | |
3812 | &add_status); | |
485bf569 SN |
3813 | } |
3814 | ||
3815 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, | |
3816 | flash_cmd.dma); | |
3817 | if (status) { | |
3818 | dev_err(&adapter->pdev->dev, | |
3819 | "Firmware load error. " | |
3820 | "Status code: 0x%x Additional Status: 0x%x\n", | |
3821 | status, add_status); | |
3822 | goto lancer_fw_exit; | |
3823 | } | |
3824 | ||
f67ef7ba | 3825 | if (change_status == LANCER_FW_RESET_NEEDED) { |
4bebb56a SK |
3826 | dev_info(&adapter->pdev->dev, |
3827 | "Resetting adapter to activate new FW\n"); | |
5c510811 SK |
3828 | status = lancer_physdev_ctrl(adapter, |
3829 | PHYSDEV_CONTROL_FW_RESET_MASK); | |
f67ef7ba PR |
3830 | if (status) { |
3831 | dev_err(&adapter->pdev->dev, | |
3832 | "Adapter busy for FW reset.\n" | |
3833 | "New FW will not be active.\n"); | |
3834 | goto lancer_fw_exit; | |
3835 | } | |
3836 | } else if (change_status != LANCER_NO_RESET_NEEDED) { | |
3837 | dev_err(&adapter->pdev->dev, | |
3838 | "System reboot required for new FW" | |
3839 | " to be active\n"); | |
3840 | } | |
3841 | ||
485bf569 SN |
3842 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
3843 | lancer_fw_exit: | |
3844 | return status; | |
3845 | } | |
3846 | ||
ca34fe38 SP |
3847 | #define UFI_TYPE2 2 |
3848 | #define UFI_TYPE3 3 | |
0ad3157e | 3849 | #define UFI_TYPE3R 10 |
ca34fe38 SP |
3850 | #define UFI_TYPE4 4 |
3851 | static int be_get_ufi_type(struct be_adapter *adapter, | |
0ad3157e | 3852 | struct flash_file_hdr_g3 *fhdr) |
773a2d7c PR |
3853 | { |
3854 | if (fhdr == NULL) | |
3855 | goto be_get_ufi_exit; | |
3856 | ||
ca34fe38 SP |
3857 | if (skyhawk_chip(adapter) && fhdr->build[0] == '4') |
3858 | return UFI_TYPE4; | |
0ad3157e VV |
3859 | else if (BE3_chip(adapter) && fhdr->build[0] == '3') { |
3860 | if (fhdr->asic_type_rev == 0x10) | |
3861 | return UFI_TYPE3R; | |
3862 | else | |
3863 | return UFI_TYPE3; | |
3864 | } else if (BE2_chip(adapter) && fhdr->build[0] == '2') | |
ca34fe38 | 3865 | return UFI_TYPE2; |
773a2d7c PR |
3866 | |
3867 | be_get_ufi_exit: | |
3868 | dev_err(&adapter->pdev->dev, | |
3869 | "UFI and Interface are not compatible for flashing\n"); | |
3870 | return -1; | |
3871 | } | |
3872 | ||
485bf569 SN |
3873 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) |
3874 | { | |
485bf569 SN |
3875 | struct flash_file_hdr_g3 *fhdr3; |
3876 | struct image_hdr *img_hdr_ptr = NULL; | |
3877 | struct be_dma_mem flash_cmd; | |
3878 | const u8 *p; | |
773a2d7c | 3879 | int status = 0, i = 0, num_imgs = 0, ufi_type = 0; |
84517482 | 3880 | |
be716446 | 3881 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom); |
2b7bcebf IV |
3882 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
3883 | &flash_cmd.dma, GFP_KERNEL); | |
84517482 AK |
3884 | if (!flash_cmd.va) { |
3885 | status = -ENOMEM; | |
485bf569 | 3886 | goto be_fw_exit; |
84517482 AK |
3887 | } |
3888 | ||
773a2d7c | 3889 | p = fw->data; |
0ad3157e | 3890 | fhdr3 = (struct flash_file_hdr_g3 *)p; |
773a2d7c | 3891 | |
0ad3157e | 3892 | ufi_type = be_get_ufi_type(adapter, fhdr3); |
773a2d7c | 3893 | |
773a2d7c PR |
3894 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
3895 | for (i = 0; i < num_imgs; i++) { | |
3896 | img_hdr_ptr = (struct image_hdr *)(fw->data + | |
3897 | (sizeof(struct flash_file_hdr_g3) + | |
3898 | i * sizeof(struct image_hdr))); | |
3899 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) { | |
0ad3157e VV |
3900 | switch (ufi_type) { |
3901 | case UFI_TYPE4: | |
773a2d7c PR |
3902 | status = be_flash_skyhawk(adapter, fw, |
3903 | &flash_cmd, num_imgs); | |
0ad3157e VV |
3904 | break; |
3905 | case UFI_TYPE3R: | |
ca34fe38 SP |
3906 | status = be_flash_BEx(adapter, fw, &flash_cmd, |
3907 | num_imgs); | |
0ad3157e VV |
3908 | break; |
3909 | case UFI_TYPE3: | |
3910 | /* Do not flash this ufi on BE3-R cards */ | |
3911 | if (adapter->asic_rev < 0x10) | |
3912 | status = be_flash_BEx(adapter, fw, | |
3913 | &flash_cmd, | |
3914 | num_imgs); | |
3915 | else { | |
3916 | status = -1; | |
3917 | dev_err(&adapter->pdev->dev, | |
3918 | "Can't load BE3 UFI on BE3R\n"); | |
3919 | } | |
3920 | } | |
3f0d4560 | 3921 | } |
773a2d7c PR |
3922 | } |
3923 | ||
ca34fe38 SP |
3924 | if (ufi_type == UFI_TYPE2) |
3925 | status = be_flash_BEx(adapter, fw, &flash_cmd, 0); | |
773a2d7c | 3926 | else if (ufi_type == -1) |
3f0d4560 | 3927 | status = -1; |
84517482 | 3928 | |
2b7bcebf IV |
3929 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
3930 | flash_cmd.dma); | |
84517482 AK |
3931 | if (status) { |
3932 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); | |
485bf569 | 3933 | goto be_fw_exit; |
84517482 AK |
3934 | } |
3935 | ||
af901ca1 | 3936 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
84517482 | 3937 | |
485bf569 SN |
3938 | be_fw_exit: |
3939 | return status; | |
3940 | } | |
3941 | ||
3942 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) | |
3943 | { | |
3944 | const struct firmware *fw; | |
3945 | int status; | |
3946 | ||
3947 | if (!netif_running(adapter->netdev)) { | |
3948 | dev_err(&adapter->pdev->dev, | |
3949 | "Firmware load not allowed (interface is down)\n"); | |
3950 | return -1; | |
3951 | } | |
3952 | ||
3953 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); | |
3954 | if (status) | |
3955 | goto fw_exit; | |
3956 | ||
3957 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); | |
3958 | ||
3959 | if (lancer_chip(adapter)) | |
3960 | status = lancer_fw_download(adapter, fw); | |
3961 | else | |
3962 | status = be_fw_download(adapter, fw); | |
3963 | ||
eeb65ced SK |
3964 | if (!status) |
3965 | be_cmd_get_fw_ver(adapter, adapter->fw_ver, | |
3966 | adapter->fw_on_flash); | |
3967 | ||
84517482 AK |
3968 | fw_exit: |
3969 | release_firmware(fw); | |
3970 | return status; | |
3971 | } | |
3972 | ||
a77dcb8c AK |
3973 | static int be_ndo_bridge_setlink(struct net_device *dev, |
3974 | struct nlmsghdr *nlh) | |
3975 | { | |
3976 | struct be_adapter *adapter = netdev_priv(dev); | |
3977 | struct nlattr *attr, *br_spec; | |
3978 | int rem; | |
3979 | int status = 0; | |
3980 | u16 mode = 0; | |
3981 | ||
3982 | if (!sriov_enabled(adapter)) | |
3983 | return -EOPNOTSUPP; | |
3984 | ||
3985 | br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); | |
3986 | ||
3987 | nla_for_each_nested(attr, br_spec, rem) { | |
3988 | if (nla_type(attr) != IFLA_BRIDGE_MODE) | |
3989 | continue; | |
3990 | ||
3991 | mode = nla_get_u16(attr); | |
3992 | if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) | |
3993 | return -EINVAL; | |
3994 | ||
3995 | status = be_cmd_set_hsw_config(adapter, 0, 0, | |
3996 | adapter->if_handle, | |
3997 | mode == BRIDGE_MODE_VEPA ? | |
3998 | PORT_FWD_TYPE_VEPA : | |
3999 | PORT_FWD_TYPE_VEB); | |
4000 | if (status) | |
4001 | goto err; | |
4002 | ||
4003 | dev_info(&adapter->pdev->dev, "enabled switch mode: %s\n", | |
4004 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); | |
4005 | ||
4006 | return status; | |
4007 | } | |
4008 | err: | |
4009 | dev_err(&adapter->pdev->dev, "Failed to set switch mode %s\n", | |
4010 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); | |
4011 | ||
4012 | return status; | |
4013 | } | |
4014 | ||
4015 | static int be_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, | |
4016 | struct net_device *dev, | |
4017 | u32 filter_mask) | |
4018 | { | |
4019 | struct be_adapter *adapter = netdev_priv(dev); | |
4020 | int status = 0; | |
4021 | u8 hsw_mode; | |
4022 | ||
4023 | if (!sriov_enabled(adapter)) | |
4024 | return 0; | |
4025 | ||
4026 | /* BE and Lancer chips support VEB mode only */ | |
4027 | if (BEx_chip(adapter) || lancer_chip(adapter)) { | |
4028 | hsw_mode = PORT_FWD_TYPE_VEB; | |
4029 | } else { | |
4030 | status = be_cmd_get_hsw_config(adapter, NULL, 0, | |
4031 | adapter->if_handle, &hsw_mode); | |
4032 | if (status) | |
4033 | return 0; | |
4034 | } | |
4035 | ||
4036 | return ndo_dflt_bridge_getlink(skb, pid, seq, dev, | |
4037 | hsw_mode == PORT_FWD_TYPE_VEPA ? | |
4038 | BRIDGE_MODE_VEPA : BRIDGE_MODE_VEB); | |
4039 | } | |
4040 | ||
e5686ad8 | 4041 | static const struct net_device_ops be_netdev_ops = { |
6b7c5b94 SP |
4042 | .ndo_open = be_open, |
4043 | .ndo_stop = be_close, | |
4044 | .ndo_start_xmit = be_xmit, | |
a54769f5 | 4045 | .ndo_set_rx_mode = be_set_rx_mode, |
6b7c5b94 SP |
4046 | .ndo_set_mac_address = be_mac_addr_set, |
4047 | .ndo_change_mtu = be_change_mtu, | |
ab1594e9 | 4048 | .ndo_get_stats64 = be_get_stats64, |
6b7c5b94 | 4049 | .ndo_validate_addr = eth_validate_addr, |
6b7c5b94 SP |
4050 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
4051 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, | |
64600ea5 | 4052 | .ndo_set_vf_mac = be_set_vf_mac, |
1da87b7f | 4053 | .ndo_set_vf_vlan = be_set_vf_vlan, |
e1d18735 | 4054 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
66268739 IV |
4055 | .ndo_get_vf_config = be_get_vf_config, |
4056 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
4057 | .ndo_poll_controller = be_netpoll, | |
4058 | #endif | |
a77dcb8c AK |
4059 | .ndo_bridge_setlink = be_ndo_bridge_setlink, |
4060 | .ndo_bridge_getlink = be_ndo_bridge_getlink, | |
6384a4d0 SP |
4061 | #ifdef CONFIG_NET_RX_BUSY_POLL |
4062 | .ndo_busy_poll = be_busy_poll | |
4063 | #endif | |
6b7c5b94 SP |
4064 | }; |
4065 | ||
4066 | static void be_netdev_init(struct net_device *netdev) | |
4067 | { | |
4068 | struct be_adapter *adapter = netdev_priv(netdev); | |
4069 | ||
6332c8d3 | 4070 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
8b8ddc68 | 4071 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
f646968f | 4072 | NETIF_F_HW_VLAN_CTAG_TX; |
8b8ddc68 MM |
4073 | if (be_multi_rxq(adapter)) |
4074 | netdev->hw_features |= NETIF_F_RXHASH; | |
6332c8d3 MM |
4075 | |
4076 | netdev->features |= netdev->hw_features | | |
f646968f | 4077 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; |
4b972914 | 4078 | |
eb8a50d9 | 4079 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
79032644 | 4080 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
51c59870 | 4081 | |
fbc13f01 AK |
4082 | netdev->priv_flags |= IFF_UNICAST_FLT; |
4083 | ||
6b7c5b94 SP |
4084 | netdev->flags |= IFF_MULTICAST; |
4085 | ||
b7e5887e | 4086 | netif_set_gso_max_size(netdev, 65535 - ETH_HLEN); |
c190e3c8 | 4087 | |
10ef9ab4 | 4088 | netdev->netdev_ops = &be_netdev_ops; |
6b7c5b94 SP |
4089 | |
4090 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); | |
6b7c5b94 SP |
4091 | } |
4092 | ||
4093 | static void be_unmap_pci_bars(struct be_adapter *adapter) | |
4094 | { | |
c5b3ad4c SP |
4095 | if (adapter->csr) |
4096 | pci_iounmap(adapter->pdev, adapter->csr); | |
8788fdc2 | 4097 | if (adapter->db) |
ce66f781 | 4098 | pci_iounmap(adapter->pdev, adapter->db); |
045508a8 PP |
4099 | } |
4100 | ||
ce66f781 SP |
4101 | static int db_bar(struct be_adapter *adapter) |
4102 | { | |
4103 | if (lancer_chip(adapter) || !be_physfn(adapter)) | |
4104 | return 0; | |
4105 | else | |
4106 | return 4; | |
4107 | } | |
4108 | ||
4109 | static int be_roce_map_pci_bars(struct be_adapter *adapter) | |
045508a8 | 4110 | { |
dbf0f2a7 | 4111 | if (skyhawk_chip(adapter)) { |
ce66f781 SP |
4112 | adapter->roce_db.size = 4096; |
4113 | adapter->roce_db.io_addr = pci_resource_start(adapter->pdev, | |
4114 | db_bar(adapter)); | |
4115 | adapter->roce_db.total_size = pci_resource_len(adapter->pdev, | |
4116 | db_bar(adapter)); | |
4117 | } | |
045508a8 | 4118 | return 0; |
6b7c5b94 SP |
4119 | } |
4120 | ||
4121 | static int be_map_pci_bars(struct be_adapter *adapter) | |
4122 | { | |
4123 | u8 __iomem *addr; | |
fe6d2a38 | 4124 | |
c5b3ad4c SP |
4125 | if (BEx_chip(adapter) && be_physfn(adapter)) { |
4126 | adapter->csr = pci_iomap(adapter->pdev, 2, 0); | |
4127 | if (adapter->csr == NULL) | |
4128 | return -ENOMEM; | |
4129 | } | |
4130 | ||
ce66f781 | 4131 | addr = pci_iomap(adapter->pdev, db_bar(adapter), 0); |
6b7c5b94 SP |
4132 | if (addr == NULL) |
4133 | goto pci_map_err; | |
ba343c77 | 4134 | adapter->db = addr; |
ce66f781 SP |
4135 | |
4136 | be_roce_map_pci_bars(adapter); | |
6b7c5b94 | 4137 | return 0; |
ce66f781 | 4138 | |
6b7c5b94 SP |
4139 | pci_map_err: |
4140 | be_unmap_pci_bars(adapter); | |
4141 | return -ENOMEM; | |
4142 | } | |
4143 | ||
6b7c5b94 SP |
4144 | static void be_ctrl_cleanup(struct be_adapter *adapter) |
4145 | { | |
8788fdc2 | 4146 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
6b7c5b94 SP |
4147 | |
4148 | be_unmap_pci_bars(adapter); | |
4149 | ||
4150 | if (mem->va) | |
2b7bcebf IV |
4151 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
4152 | mem->dma); | |
e7b909a6 | 4153 | |
5b8821b7 | 4154 | mem = &adapter->rx_filter; |
e7b909a6 | 4155 | if (mem->va) |
2b7bcebf IV |
4156 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
4157 | mem->dma); | |
6b7c5b94 SP |
4158 | } |
4159 | ||
6b7c5b94 SP |
4160 | static int be_ctrl_init(struct be_adapter *adapter) |
4161 | { | |
8788fdc2 SP |
4162 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
4163 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; | |
5b8821b7 | 4164 | struct be_dma_mem *rx_filter = &adapter->rx_filter; |
ce66f781 | 4165 | u32 sli_intf; |
6b7c5b94 | 4166 | int status; |
6b7c5b94 | 4167 | |
ce66f781 SP |
4168 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
4169 | adapter->sli_family = (sli_intf & SLI_INTF_FAMILY_MASK) >> | |
4170 | SLI_INTF_FAMILY_SHIFT; | |
4171 | adapter->virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; | |
4172 | ||
6b7c5b94 SP |
4173 | status = be_map_pci_bars(adapter); |
4174 | if (status) | |
e7b909a6 | 4175 | goto done; |
6b7c5b94 SP |
4176 | |
4177 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; | |
2b7bcebf IV |
4178 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
4179 | mbox_mem_alloc->size, | |
4180 | &mbox_mem_alloc->dma, | |
4181 | GFP_KERNEL); | |
6b7c5b94 | 4182 | if (!mbox_mem_alloc->va) { |
e7b909a6 SP |
4183 | status = -ENOMEM; |
4184 | goto unmap_pci_bars; | |
6b7c5b94 SP |
4185 | } |
4186 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); | |
4187 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); | |
4188 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); | |
4189 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); | |
e7b909a6 | 4190 | |
5b8821b7 | 4191 | rx_filter->size = sizeof(struct be_cmd_req_rx_filter); |
ede23fa8 JP |
4192 | rx_filter->va = dma_zalloc_coherent(&adapter->pdev->dev, |
4193 | rx_filter->size, &rx_filter->dma, | |
4194 | GFP_KERNEL); | |
5b8821b7 | 4195 | if (rx_filter->va == NULL) { |
e7b909a6 SP |
4196 | status = -ENOMEM; |
4197 | goto free_mbox; | |
4198 | } | |
1f9061d2 | 4199 | |
2984961c | 4200 | mutex_init(&adapter->mbox_lock); |
8788fdc2 SP |
4201 | spin_lock_init(&adapter->mcc_lock); |
4202 | spin_lock_init(&adapter->mcc_cq_lock); | |
a8f447bd | 4203 | |
5eeff635 | 4204 | init_completion(&adapter->et_cmd_compl); |
cf588477 | 4205 | pci_save_state(adapter->pdev); |
6b7c5b94 | 4206 | return 0; |
e7b909a6 SP |
4207 | |
4208 | free_mbox: | |
2b7bcebf IV |
4209 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
4210 | mbox_mem_alloc->va, mbox_mem_alloc->dma); | |
e7b909a6 SP |
4211 | |
4212 | unmap_pci_bars: | |
4213 | be_unmap_pci_bars(adapter); | |
4214 | ||
4215 | done: | |
4216 | return status; | |
6b7c5b94 SP |
4217 | } |
4218 | ||
4219 | static void be_stats_cleanup(struct be_adapter *adapter) | |
4220 | { | |
3abcdeda | 4221 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
4222 | |
4223 | if (cmd->va) | |
2b7bcebf IV |
4224 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
4225 | cmd->va, cmd->dma); | |
6b7c5b94 SP |
4226 | } |
4227 | ||
4228 | static int be_stats_init(struct be_adapter *adapter) | |
4229 | { | |
3abcdeda | 4230 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 | 4231 | |
ca34fe38 SP |
4232 | if (lancer_chip(adapter)) |
4233 | cmd->size = sizeof(struct lancer_cmd_req_pport_stats); | |
4234 | else if (BE2_chip(adapter)) | |
89a88ab8 | 4235 | cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
61000861 | 4236 | else if (BE3_chip(adapter)) |
ca34fe38 | 4237 | cmd->size = sizeof(struct be_cmd_req_get_stats_v1); |
61000861 AK |
4238 | else |
4239 | /* ALL non-BE ASICs */ | |
4240 | cmd->size = sizeof(struct be_cmd_req_get_stats_v2); | |
ca34fe38 | 4241 | |
ede23fa8 JP |
4242 | cmd->va = dma_zalloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
4243 | GFP_KERNEL); | |
6b7c5b94 SP |
4244 | if (cmd->va == NULL) |
4245 | return -1; | |
4246 | return 0; | |
4247 | } | |
4248 | ||
3bc6b06c | 4249 | static void be_remove(struct pci_dev *pdev) |
6b7c5b94 SP |
4250 | { |
4251 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
8d56ff11 | 4252 | |
6b7c5b94 SP |
4253 | if (!adapter) |
4254 | return; | |
4255 | ||
045508a8 | 4256 | be_roce_dev_remove(adapter); |
8cef7a78 | 4257 | be_intr_set(adapter, false); |
045508a8 | 4258 | |
f67ef7ba PR |
4259 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
4260 | ||
6b7c5b94 SP |
4261 | unregister_netdev(adapter->netdev); |
4262 | ||
5fb379ee SP |
4263 | be_clear(adapter); |
4264 | ||
bf99e50d PR |
4265 | /* tell fw we're done with firing cmds */ |
4266 | be_cmd_fw_clean(adapter); | |
4267 | ||
6b7c5b94 SP |
4268 | be_stats_cleanup(adapter); |
4269 | ||
4270 | be_ctrl_cleanup(adapter); | |
4271 | ||
d6b6d987 SP |
4272 | pci_disable_pcie_error_reporting(pdev); |
4273 | ||
6b7c5b94 SP |
4274 | pci_release_regions(pdev); |
4275 | pci_disable_device(pdev); | |
4276 | ||
4277 | free_netdev(adapter->netdev); | |
4278 | } | |
4279 | ||
39f1d94d | 4280 | static int be_get_initial_config(struct be_adapter *adapter) |
6b7c5b94 | 4281 | { |
baaa08d1 | 4282 | int status, level; |
6b7c5b94 | 4283 | |
9e1453c5 AK |
4284 | status = be_cmd_get_cntl_attributes(adapter); |
4285 | if (status) | |
4286 | return status; | |
4287 | ||
7aeb2156 PR |
4288 | /* Must be a power of 2 or else MODULO will BUG_ON */ |
4289 | adapter->be_get_temp_freq = 64; | |
4290 | ||
baaa08d1 VV |
4291 | if (BEx_chip(adapter)) { |
4292 | level = be_cmd_get_fw_log_level(adapter); | |
4293 | adapter->msg_enable = | |
4294 | level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; | |
4295 | } | |
941a77d5 | 4296 | |
92bf14ab | 4297 | adapter->cfg_num_qs = netif_get_num_default_rss_queues(); |
2243e2e9 | 4298 | return 0; |
6b7c5b94 SP |
4299 | } |
4300 | ||
f67ef7ba | 4301 | static int lancer_recover_func(struct be_adapter *adapter) |
d8110f62 | 4302 | { |
01e5b2c4 | 4303 | struct device *dev = &adapter->pdev->dev; |
d8110f62 | 4304 | int status; |
d8110f62 | 4305 | |
f67ef7ba PR |
4306 | status = lancer_test_and_set_rdy_state(adapter); |
4307 | if (status) | |
4308 | goto err; | |
d8110f62 | 4309 | |
f67ef7ba PR |
4310 | if (netif_running(adapter->netdev)) |
4311 | be_close(adapter->netdev); | |
d8110f62 | 4312 | |
f67ef7ba PR |
4313 | be_clear(adapter); |
4314 | ||
01e5b2c4 | 4315 | be_clear_all_error(adapter); |
f67ef7ba PR |
4316 | |
4317 | status = be_setup(adapter); | |
4318 | if (status) | |
4319 | goto err; | |
d8110f62 | 4320 | |
f67ef7ba PR |
4321 | if (netif_running(adapter->netdev)) { |
4322 | status = be_open(adapter->netdev); | |
d8110f62 PR |
4323 | if (status) |
4324 | goto err; | |
f67ef7ba | 4325 | } |
d8110f62 | 4326 | |
4bebb56a | 4327 | dev_err(dev, "Adapter recovery successful\n"); |
f67ef7ba PR |
4328 | return 0; |
4329 | err: | |
01e5b2c4 SK |
4330 | if (status == -EAGAIN) |
4331 | dev_err(dev, "Waiting for resource provisioning\n"); | |
4332 | else | |
4bebb56a | 4333 | dev_err(dev, "Adapter recovery failed\n"); |
d8110f62 | 4334 | |
f67ef7ba PR |
4335 | return status; |
4336 | } | |
4337 | ||
4338 | static void be_func_recovery_task(struct work_struct *work) | |
4339 | { | |
4340 | struct be_adapter *adapter = | |
4341 | container_of(work, struct be_adapter, func_recovery_work.work); | |
01e5b2c4 | 4342 | int status = 0; |
d8110f62 | 4343 | |
f67ef7ba | 4344 | be_detect_error(adapter); |
d8110f62 | 4345 | |
f67ef7ba | 4346 | if (adapter->hw_error && lancer_chip(adapter)) { |
d8110f62 | 4347 | |
f67ef7ba PR |
4348 | rtnl_lock(); |
4349 | netif_device_detach(adapter->netdev); | |
4350 | rtnl_unlock(); | |
d8110f62 | 4351 | |
f67ef7ba | 4352 | status = lancer_recover_func(adapter); |
f67ef7ba PR |
4353 | if (!status) |
4354 | netif_device_attach(adapter->netdev); | |
d8110f62 | 4355 | } |
f67ef7ba | 4356 | |
01e5b2c4 SK |
4357 | /* In Lancer, for all errors other than provisioning error (-EAGAIN), |
4358 | * no need to attempt further recovery. | |
4359 | */ | |
4360 | if (!status || status == -EAGAIN) | |
4361 | schedule_delayed_work(&adapter->func_recovery_work, | |
4362 | msecs_to_jiffies(1000)); | |
d8110f62 PR |
4363 | } |
4364 | ||
4365 | static void be_worker(struct work_struct *work) | |
4366 | { | |
4367 | struct be_adapter *adapter = | |
4368 | container_of(work, struct be_adapter, work.work); | |
4369 | struct be_rx_obj *rxo; | |
4370 | int i; | |
4371 | ||
d8110f62 PR |
4372 | /* when interrupts are not yet enabled, just reap any pending |
4373 | * mcc completions */ | |
4374 | if (!netif_running(adapter->netdev)) { | |
072a9c48 | 4375 | local_bh_disable(); |
10ef9ab4 | 4376 | be_process_mcc(adapter); |
072a9c48 | 4377 | local_bh_enable(); |
d8110f62 PR |
4378 | goto reschedule; |
4379 | } | |
4380 | ||
4381 | if (!adapter->stats_cmd_sent) { | |
4382 | if (lancer_chip(adapter)) | |
4383 | lancer_cmd_get_pport_stats(adapter, | |
4384 | &adapter->stats_cmd); | |
4385 | else | |
4386 | be_cmd_get_stats(adapter, &adapter->stats_cmd); | |
4387 | } | |
4388 | ||
d696b5e2 VV |
4389 | if (be_physfn(adapter) && |
4390 | MODULO(adapter->work_counter, adapter->be_get_temp_freq) == 0) | |
7aeb2156 PR |
4391 | be_cmd_get_die_temperature(adapter); |
4392 | ||
d8110f62 | 4393 | for_all_rx_queues(adapter, rxo, i) { |
6384a4d0 SP |
4394 | /* Replenish RX-queues starved due to memory |
4395 | * allocation failures. | |
4396 | */ | |
4397 | if (rxo->rx_post_starved) | |
d8110f62 | 4398 | be_post_rx_frags(rxo, GFP_KERNEL); |
d8110f62 PR |
4399 | } |
4400 | ||
2632bafd | 4401 | be_eqd_update(adapter); |
10ef9ab4 | 4402 | |
d8110f62 PR |
4403 | reschedule: |
4404 | adapter->work_counter++; | |
4405 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); | |
4406 | } | |
4407 | ||
257a3feb | 4408 | /* If any VFs are already enabled don't FLR the PF */ |
39f1d94d SP |
4409 | static bool be_reset_required(struct be_adapter *adapter) |
4410 | { | |
257a3feb | 4411 | return pci_num_vf(adapter->pdev) ? false : true; |
39f1d94d SP |
4412 | } |
4413 | ||
d379142b SP |
4414 | static char *mc_name(struct be_adapter *adapter) |
4415 | { | |
4416 | if (adapter->function_mode & FLEX10_MODE) | |
4417 | return "FLEX10"; | |
4418 | else if (adapter->function_mode & VNIC_MODE) | |
4419 | return "vNIC"; | |
4420 | else if (adapter->function_mode & UMC_ENABLED) | |
4421 | return "UMC"; | |
4422 | else | |
4423 | return ""; | |
4424 | } | |
4425 | ||
4426 | static inline char *func_name(struct be_adapter *adapter) | |
4427 | { | |
4428 | return be_physfn(adapter) ? "PF" : "VF"; | |
4429 | } | |
4430 | ||
1dd06ae8 | 4431 | static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) |
6b7c5b94 SP |
4432 | { |
4433 | int status = 0; | |
4434 | struct be_adapter *adapter; | |
4435 | struct net_device *netdev; | |
b4e32a71 | 4436 | char port_name; |
6b7c5b94 SP |
4437 | |
4438 | status = pci_enable_device(pdev); | |
4439 | if (status) | |
4440 | goto do_none; | |
4441 | ||
4442 | status = pci_request_regions(pdev, DRV_NAME); | |
4443 | if (status) | |
4444 | goto disable_dev; | |
4445 | pci_set_master(pdev); | |
4446 | ||
7f640062 | 4447 | netdev = alloc_etherdev_mqs(sizeof(*adapter), MAX_TX_QS, MAX_RX_QS); |
6b7c5b94 SP |
4448 | if (netdev == NULL) { |
4449 | status = -ENOMEM; | |
4450 | goto rel_reg; | |
4451 | } | |
4452 | adapter = netdev_priv(netdev); | |
4453 | adapter->pdev = pdev; | |
4454 | pci_set_drvdata(pdev, adapter); | |
4455 | adapter->netdev = netdev; | |
2243e2e9 | 4456 | SET_NETDEV_DEV(netdev, &pdev->dev); |
6b7c5b94 | 4457 | |
4c15c243 | 4458 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); |
6b7c5b94 SP |
4459 | if (!status) { |
4460 | netdev->features |= NETIF_F_HIGHDMA; | |
4461 | } else { | |
4c15c243 | 4462 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); |
6b7c5b94 SP |
4463 | if (status) { |
4464 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); | |
4465 | goto free_netdev; | |
4466 | } | |
4467 | } | |
4468 | ||
ea58c180 AK |
4469 | if (be_physfn(adapter)) { |
4470 | status = pci_enable_pcie_error_reporting(pdev); | |
4471 | if (!status) | |
4472 | dev_info(&pdev->dev, "PCIe error reporting enabled\n"); | |
4473 | } | |
d6b6d987 | 4474 | |
6b7c5b94 SP |
4475 | status = be_ctrl_init(adapter); |
4476 | if (status) | |
39f1d94d | 4477 | goto free_netdev; |
6b7c5b94 | 4478 | |
2243e2e9 | 4479 | /* sync up with fw's ready state */ |
ba343c77 | 4480 | if (be_physfn(adapter)) { |
bf99e50d | 4481 | status = be_fw_wait_ready(adapter); |
ba343c77 SB |
4482 | if (status) |
4483 | goto ctrl_clean; | |
ba343c77 | 4484 | } |
6b7c5b94 | 4485 | |
39f1d94d SP |
4486 | if (be_reset_required(adapter)) { |
4487 | status = be_cmd_reset_function(adapter); | |
4488 | if (status) | |
4489 | goto ctrl_clean; | |
556ae191 | 4490 | |
2d177be8 KA |
4491 | /* Wait for interrupts to quiesce after an FLR */ |
4492 | msleep(100); | |
4493 | } | |
8cef7a78 SK |
4494 | |
4495 | /* Allow interrupts for other ULPs running on NIC function */ | |
4496 | be_intr_set(adapter, true); | |
10ef9ab4 | 4497 | |
2d177be8 KA |
4498 | /* tell fw we're ready to fire cmds */ |
4499 | status = be_cmd_fw_init(adapter); | |
4500 | if (status) | |
4501 | goto ctrl_clean; | |
4502 | ||
2243e2e9 SP |
4503 | status = be_stats_init(adapter); |
4504 | if (status) | |
4505 | goto ctrl_clean; | |
4506 | ||
39f1d94d | 4507 | status = be_get_initial_config(adapter); |
6b7c5b94 SP |
4508 | if (status) |
4509 | goto stats_clean; | |
6b7c5b94 SP |
4510 | |
4511 | INIT_DELAYED_WORK(&adapter->work, be_worker); | |
f67ef7ba | 4512 | INIT_DELAYED_WORK(&adapter->func_recovery_work, be_func_recovery_task); |
a54769f5 | 4513 | adapter->rx_fc = adapter->tx_fc = true; |
6b7c5b94 | 4514 | |
5fb379ee SP |
4515 | status = be_setup(adapter); |
4516 | if (status) | |
55f5c3c5 | 4517 | goto stats_clean; |
2243e2e9 | 4518 | |
3abcdeda | 4519 | be_netdev_init(netdev); |
6b7c5b94 SP |
4520 | status = register_netdev(netdev); |
4521 | if (status != 0) | |
5fb379ee | 4522 | goto unsetup; |
6b7c5b94 | 4523 | |
045508a8 PP |
4524 | be_roce_dev_add(adapter); |
4525 | ||
f67ef7ba PR |
4526 | schedule_delayed_work(&adapter->func_recovery_work, |
4527 | msecs_to_jiffies(1000)); | |
b4e32a71 PR |
4528 | |
4529 | be_cmd_query_port_name(adapter, &port_name); | |
4530 | ||
d379142b SP |
4531 | dev_info(&pdev->dev, "%s: %s %s port %c\n", nic_name(pdev), |
4532 | func_name(adapter), mc_name(adapter), port_name); | |
34b1ef04 | 4533 | |
6b7c5b94 SP |
4534 | return 0; |
4535 | ||
5fb379ee SP |
4536 | unsetup: |
4537 | be_clear(adapter); | |
6b7c5b94 SP |
4538 | stats_clean: |
4539 | be_stats_cleanup(adapter); | |
4540 | ctrl_clean: | |
4541 | be_ctrl_cleanup(adapter); | |
f9449ab7 | 4542 | free_netdev: |
fe6d2a38 | 4543 | free_netdev(netdev); |
6b7c5b94 SP |
4544 | rel_reg: |
4545 | pci_release_regions(pdev); | |
4546 | disable_dev: | |
4547 | pci_disable_device(pdev); | |
4548 | do_none: | |
c4ca2374 | 4549 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
6b7c5b94 SP |
4550 | return status; |
4551 | } | |
4552 | ||
4553 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) | |
4554 | { | |
4555 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4556 | struct net_device *netdev = adapter->netdev; | |
4557 | ||
76a9e08e | 4558 | if (adapter->wol_en) |
71d8d1b5 AK |
4559 | be_setup_wol(adapter, true); |
4560 | ||
d4360d6f | 4561 | be_intr_set(adapter, false); |
f67ef7ba PR |
4562 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
4563 | ||
6b7c5b94 SP |
4564 | netif_device_detach(netdev); |
4565 | if (netif_running(netdev)) { | |
4566 | rtnl_lock(); | |
4567 | be_close(netdev); | |
4568 | rtnl_unlock(); | |
4569 | } | |
9b0365f1 | 4570 | be_clear(adapter); |
6b7c5b94 SP |
4571 | |
4572 | pci_save_state(pdev); | |
4573 | pci_disable_device(pdev); | |
4574 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
4575 | return 0; | |
4576 | } | |
4577 | ||
4578 | static int be_resume(struct pci_dev *pdev) | |
4579 | { | |
4580 | int status = 0; | |
4581 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4582 | struct net_device *netdev = adapter->netdev; | |
4583 | ||
4584 | netif_device_detach(netdev); | |
4585 | ||
4586 | status = pci_enable_device(pdev); | |
4587 | if (status) | |
4588 | return status; | |
4589 | ||
1ca01512 | 4590 | pci_set_power_state(pdev, PCI_D0); |
6b7c5b94 SP |
4591 | pci_restore_state(pdev); |
4592 | ||
dd5746bf SB |
4593 | status = be_fw_wait_ready(adapter); |
4594 | if (status) | |
4595 | return status; | |
4596 | ||
d4360d6f | 4597 | be_intr_set(adapter, true); |
2243e2e9 SP |
4598 | /* tell fw we're ready to fire cmds */ |
4599 | status = be_cmd_fw_init(adapter); | |
4600 | if (status) | |
4601 | return status; | |
4602 | ||
9b0365f1 | 4603 | be_setup(adapter); |
6b7c5b94 SP |
4604 | if (netif_running(netdev)) { |
4605 | rtnl_lock(); | |
4606 | be_open(netdev); | |
4607 | rtnl_unlock(); | |
4608 | } | |
f67ef7ba PR |
4609 | |
4610 | schedule_delayed_work(&adapter->func_recovery_work, | |
4611 | msecs_to_jiffies(1000)); | |
6b7c5b94 | 4612 | netif_device_attach(netdev); |
71d8d1b5 | 4613 | |
76a9e08e | 4614 | if (adapter->wol_en) |
71d8d1b5 | 4615 | be_setup_wol(adapter, false); |
a4ca055f | 4616 | |
6b7c5b94 SP |
4617 | return 0; |
4618 | } | |
4619 | ||
82456b03 SP |
4620 | /* |
4621 | * An FLR will stop BE from DMAing any data. | |
4622 | */ | |
4623 | static void be_shutdown(struct pci_dev *pdev) | |
4624 | { | |
4625 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
82456b03 | 4626 | |
2d5d4154 AK |
4627 | if (!adapter) |
4628 | return; | |
82456b03 | 4629 | |
0f4a6828 | 4630 | cancel_delayed_work_sync(&adapter->work); |
f67ef7ba | 4631 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
a4ca055f | 4632 | |
2d5d4154 | 4633 | netif_device_detach(adapter->netdev); |
82456b03 | 4634 | |
57841869 AK |
4635 | be_cmd_reset_function(adapter); |
4636 | ||
82456b03 | 4637 | pci_disable_device(pdev); |
82456b03 SP |
4638 | } |
4639 | ||
cf588477 SP |
4640 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
4641 | pci_channel_state_t state) | |
4642 | { | |
4643 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4644 | struct net_device *netdev = adapter->netdev; | |
4645 | ||
4646 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); | |
4647 | ||
01e5b2c4 SK |
4648 | if (!adapter->eeh_error) { |
4649 | adapter->eeh_error = true; | |
cf588477 | 4650 | |
01e5b2c4 | 4651 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
cf588477 | 4652 | |
cf588477 | 4653 | rtnl_lock(); |
01e5b2c4 SK |
4654 | netif_device_detach(netdev); |
4655 | if (netif_running(netdev)) | |
4656 | be_close(netdev); | |
cf588477 | 4657 | rtnl_unlock(); |
01e5b2c4 SK |
4658 | |
4659 | be_clear(adapter); | |
cf588477 | 4660 | } |
cf588477 SP |
4661 | |
4662 | if (state == pci_channel_io_perm_failure) | |
4663 | return PCI_ERS_RESULT_DISCONNECT; | |
4664 | ||
4665 | pci_disable_device(pdev); | |
4666 | ||
eeb7fc7b SK |
4667 | /* The error could cause the FW to trigger a flash debug dump. |
4668 | * Resetting the card while flash dump is in progress | |
c8a54163 PR |
4669 | * can cause it not to recover; wait for it to finish. |
4670 | * Wait only for first function as it is needed only once per | |
4671 | * adapter. | |
eeb7fc7b | 4672 | */ |
c8a54163 PR |
4673 | if (pdev->devfn == 0) |
4674 | ssleep(30); | |
4675 | ||
cf588477 SP |
4676 | return PCI_ERS_RESULT_NEED_RESET; |
4677 | } | |
4678 | ||
4679 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) | |
4680 | { | |
4681 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4682 | int status; | |
4683 | ||
4684 | dev_info(&adapter->pdev->dev, "EEH reset\n"); | |
cf588477 SP |
4685 | |
4686 | status = pci_enable_device(pdev); | |
4687 | if (status) | |
4688 | return PCI_ERS_RESULT_DISCONNECT; | |
4689 | ||
4690 | pci_set_master(pdev); | |
1ca01512 | 4691 | pci_set_power_state(pdev, PCI_D0); |
cf588477 SP |
4692 | pci_restore_state(pdev); |
4693 | ||
4694 | /* Check if card is ok and fw is ready */ | |
c5b3ad4c SP |
4695 | dev_info(&adapter->pdev->dev, |
4696 | "Waiting for FW to be ready after EEH reset\n"); | |
bf99e50d | 4697 | status = be_fw_wait_ready(adapter); |
cf588477 SP |
4698 | if (status) |
4699 | return PCI_ERS_RESULT_DISCONNECT; | |
4700 | ||
d6b6d987 | 4701 | pci_cleanup_aer_uncorrect_error_status(pdev); |
01e5b2c4 | 4702 | be_clear_all_error(adapter); |
cf588477 SP |
4703 | return PCI_ERS_RESULT_RECOVERED; |
4704 | } | |
4705 | ||
4706 | static void be_eeh_resume(struct pci_dev *pdev) | |
4707 | { | |
4708 | int status = 0; | |
4709 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4710 | struct net_device *netdev = adapter->netdev; | |
4711 | ||
4712 | dev_info(&adapter->pdev->dev, "EEH resume\n"); | |
4713 | ||
4714 | pci_save_state(pdev); | |
4715 | ||
2d177be8 | 4716 | status = be_cmd_reset_function(adapter); |
cf588477 SP |
4717 | if (status) |
4718 | goto err; | |
4719 | ||
2d177be8 KA |
4720 | /* tell fw we're ready to fire cmds */ |
4721 | status = be_cmd_fw_init(adapter); | |
bf99e50d PR |
4722 | if (status) |
4723 | goto err; | |
4724 | ||
cf588477 SP |
4725 | status = be_setup(adapter); |
4726 | if (status) | |
4727 | goto err; | |
4728 | ||
4729 | if (netif_running(netdev)) { | |
4730 | status = be_open(netdev); | |
4731 | if (status) | |
4732 | goto err; | |
4733 | } | |
f67ef7ba PR |
4734 | |
4735 | schedule_delayed_work(&adapter->func_recovery_work, | |
4736 | msecs_to_jiffies(1000)); | |
cf588477 SP |
4737 | netif_device_attach(netdev); |
4738 | return; | |
4739 | err: | |
4740 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); | |
cf588477 SP |
4741 | } |
4742 | ||
3646f0e5 | 4743 | static const struct pci_error_handlers be_eeh_handlers = { |
cf588477 SP |
4744 | .error_detected = be_eeh_err_detected, |
4745 | .slot_reset = be_eeh_reset, | |
4746 | .resume = be_eeh_resume, | |
4747 | }; | |
4748 | ||
6b7c5b94 SP |
4749 | static struct pci_driver be_driver = { |
4750 | .name = DRV_NAME, | |
4751 | .id_table = be_dev_ids, | |
4752 | .probe = be_probe, | |
4753 | .remove = be_remove, | |
4754 | .suspend = be_suspend, | |
cf588477 | 4755 | .resume = be_resume, |
82456b03 | 4756 | .shutdown = be_shutdown, |
cf588477 | 4757 | .err_handler = &be_eeh_handlers |
6b7c5b94 SP |
4758 | }; |
4759 | ||
4760 | static int __init be_init_module(void) | |
4761 | { | |
8e95a202 JP |
4762 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
4763 | rx_frag_size != 2048) { | |
6b7c5b94 SP |
4764 | printk(KERN_WARNING DRV_NAME |
4765 | " : Module param rx_frag_size must be 2048/4096/8192." | |
4766 | " Using 2048\n"); | |
4767 | rx_frag_size = 2048; | |
4768 | } | |
6b7c5b94 SP |
4769 | |
4770 | return pci_register_driver(&be_driver); | |
4771 | } | |
4772 | module_init(be_init_module); | |
4773 | ||
4774 | static void __exit be_exit_module(void) | |
4775 | { | |
4776 | pci_unregister_driver(&be_driver); | |
4777 | } | |
4778 | module_exit(be_exit_module); |