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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 SP |
124 | /* Is BE in a multi-channel mode */ |
125 | static inline bool be_is_mc(struct be_adapter *adapter) { | |
126 | return (adapter->function_mode & FLEX10_MODE || | |
127 | adapter->function_mode & VNIC_MODE || | |
128 | adapter->function_mode & UMC_ENABLED); | |
129 | } | |
130 | ||
6b7c5b94 SP |
131 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) |
132 | { | |
133 | struct be_dma_mem *mem = &q->dma_mem; | |
1cfafab9 | 134 | if (mem->va) { |
2b7bcebf IV |
135 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
136 | mem->dma); | |
1cfafab9 SP |
137 | mem->va = NULL; |
138 | } | |
6b7c5b94 SP |
139 | } |
140 | ||
141 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, | |
142 | u16 len, u16 entry_size) | |
143 | { | |
144 | struct be_dma_mem *mem = &q->dma_mem; | |
145 | ||
146 | memset(q, 0, sizeof(*q)); | |
147 | q->len = len; | |
148 | q->entry_size = entry_size; | |
149 | mem->size = len * entry_size; | |
ede23fa8 JP |
150 | mem->va = dma_zalloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
151 | GFP_KERNEL); | |
6b7c5b94 | 152 | if (!mem->va) |
10ef9ab4 | 153 | return -ENOMEM; |
6b7c5b94 SP |
154 | return 0; |
155 | } | |
156 | ||
68c45a2d | 157 | static void be_reg_intr_set(struct be_adapter *adapter, bool enable) |
6b7c5b94 | 158 | { |
db3ea781 | 159 | u32 reg, enabled; |
5f0b849e | 160 | |
db3ea781 SP |
161 | pci_read_config_dword(adapter->pdev, PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, |
162 | ®); | |
163 | enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | |
164 | ||
5f0b849e | 165 | if (!enabled && enable) |
6b7c5b94 | 166 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 167 | else if (enabled && !enable) |
6b7c5b94 | 168 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 169 | else |
6b7c5b94 | 170 | return; |
5f0b849e | 171 | |
db3ea781 SP |
172 | pci_write_config_dword(adapter->pdev, |
173 | PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET, reg); | |
6b7c5b94 SP |
174 | } |
175 | ||
68c45a2d SK |
176 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
177 | { | |
178 | int status = 0; | |
179 | ||
180 | /* On lancer interrupts can't be controlled via this register */ | |
181 | if (lancer_chip(adapter)) | |
182 | return; | |
183 | ||
184 | if (adapter->eeh_error) | |
185 | return; | |
186 | ||
187 | status = be_cmd_intr_set(adapter, enable); | |
188 | if (status) | |
189 | be_reg_intr_set(adapter, enable); | |
190 | } | |
191 | ||
8788fdc2 | 192 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
193 | { |
194 | u32 val = 0; | |
195 | val |= qid & DB_RQ_RING_ID_MASK; | |
196 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
197 | |
198 | wmb(); | |
8788fdc2 | 199 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
6b7c5b94 SP |
200 | } |
201 | ||
94d73aaa VV |
202 | static void be_txq_notify(struct be_adapter *adapter, struct be_tx_obj *txo, |
203 | u16 posted) | |
6b7c5b94 SP |
204 | { |
205 | u32 val = 0; | |
94d73aaa | 206 | val |= txo->q.id & DB_TXULP_RING_ID_MASK; |
6b7c5b94 | 207 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; |
f3eb62d2 SP |
208 | |
209 | wmb(); | |
94d73aaa | 210 | iowrite32(val, adapter->db + txo->db_offset); |
6b7c5b94 SP |
211 | } |
212 | ||
8788fdc2 | 213 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
6b7c5b94 SP |
214 | bool arm, bool clear_int, u16 num_popped) |
215 | { | |
216 | u32 val = 0; | |
217 | val |= qid & DB_EQ_RING_ID_MASK; | |
fe6d2a38 SP |
218 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
219 | DB_EQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 | 220 | |
f67ef7ba | 221 | if (adapter->eeh_error) |
cf588477 SP |
222 | return; |
223 | ||
6b7c5b94 SP |
224 | if (arm) |
225 | val |= 1 << DB_EQ_REARM_SHIFT; | |
226 | if (clear_int) | |
227 | val |= 1 << DB_EQ_CLR_SHIFT; | |
228 | val |= 1 << DB_EQ_EVNT_SHIFT; | |
229 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 230 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
6b7c5b94 SP |
231 | } |
232 | ||
8788fdc2 | 233 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) |
6b7c5b94 SP |
234 | { |
235 | u32 val = 0; | |
236 | val |= qid & DB_CQ_RING_ID_MASK; | |
fe6d2a38 SP |
237 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
238 | DB_CQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 | 239 | |
f67ef7ba | 240 | if (adapter->eeh_error) |
cf588477 SP |
241 | return; |
242 | ||
6b7c5b94 SP |
243 | if (arm) |
244 | val |= 1 << DB_CQ_REARM_SHIFT; | |
245 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 246 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
6b7c5b94 SP |
247 | } |
248 | ||
6b7c5b94 SP |
249 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
250 | { | |
251 | struct be_adapter *adapter = netdev_priv(netdev); | |
5a712c13 | 252 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 | 253 | struct sockaddr *addr = p; |
5a712c13 SP |
254 | int status; |
255 | u8 mac[ETH_ALEN]; | |
256 | u32 old_pmac_id = adapter->pmac_id[0], curr_pmac_id = 0; | |
6b7c5b94 | 257 | |
ca9e4988 AK |
258 | if (!is_valid_ether_addr(addr->sa_data)) |
259 | return -EADDRNOTAVAIL; | |
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 | */ |
5a712c13 | 283 | status = be_cmd_get_active_mac(adapter, curr_pmac_id, mac); |
a65027e4 | 284 | if (status) |
e3a7ae2c | 285 | goto err; |
6b7c5b94 | 286 | |
5a712c13 SP |
287 | /* The MAC change did not happen, either due to lack of privilege |
288 | * or PF didn't pre-provision. | |
289 | */ | |
290 | if (memcmp(addr->sa_data, mac, ETH_ALEN)) { | |
291 | status = -EPERM; | |
292 | goto err; | |
293 | } | |
294 | ||
e3a7ae2c | 295 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); |
5a712c13 | 296 | dev_info(dev, "MAC address changed to %pM\n", mac); |
e3a7ae2c SK |
297 | return 0; |
298 | err: | |
5a712c13 | 299 | dev_warn(dev, "MAC address change to %pM failed\n", addr->sa_data); |
6b7c5b94 SP |
300 | return status; |
301 | } | |
302 | ||
ca34fe38 SP |
303 | /* BE2 supports only v0 cmd */ |
304 | static void *hw_stats_from_cmd(struct be_adapter *adapter) | |
305 | { | |
306 | if (BE2_chip(adapter)) { | |
307 | struct be_cmd_resp_get_stats_v0 *cmd = adapter->stats_cmd.va; | |
308 | ||
309 | return &cmd->hw_stats; | |
61000861 | 310 | } else if (BE3_chip(adapter)) { |
ca34fe38 SP |
311 | struct be_cmd_resp_get_stats_v1 *cmd = adapter->stats_cmd.va; |
312 | ||
61000861 AK |
313 | return &cmd->hw_stats; |
314 | } else { | |
315 | struct be_cmd_resp_get_stats_v2 *cmd = adapter->stats_cmd.va; | |
316 | ||
ca34fe38 SP |
317 | return &cmd->hw_stats; |
318 | } | |
319 | } | |
320 | ||
321 | /* BE2 supports only v0 cmd */ | |
322 | static void *be_erx_stats_from_cmd(struct be_adapter *adapter) | |
323 | { | |
324 | if (BE2_chip(adapter)) { | |
325 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); | |
326 | ||
327 | return &hw_stats->erx; | |
61000861 | 328 | } else if (BE3_chip(adapter)) { |
ca34fe38 SP |
329 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
330 | ||
61000861 AK |
331 | return &hw_stats->erx; |
332 | } else { | |
333 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); | |
334 | ||
ca34fe38 SP |
335 | return &hw_stats->erx; |
336 | } | |
337 | } | |
338 | ||
339 | static void populate_be_v0_stats(struct be_adapter *adapter) | |
89a88ab8 | 340 | { |
ac124ff9 SP |
341 | struct be_hw_stats_v0 *hw_stats = hw_stats_from_cmd(adapter); |
342 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; | |
343 | struct be_rxf_stats_v0 *rxf_stats = &hw_stats->rxf; | |
89a88ab8 | 344 | struct be_port_rxf_stats_v0 *port_stats = |
ac124ff9 SP |
345 | &rxf_stats->port[adapter->port_num]; |
346 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
89a88ab8 | 347 | |
ac124ff9 | 348 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
89a88ab8 AK |
349 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
350 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
351 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
352 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
353 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
354 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
355 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
356 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
357 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
358 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; | |
359 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
360 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
361 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
362 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
ac124ff9 | 363 | drvs->rx_input_fifo_overflow_drop = port_stats->rx_input_fifo_overflow; |
89a88ab8 AK |
364 | drvs->rx_dropped_header_too_small = |
365 | port_stats->rx_dropped_header_too_small; | |
18fb06a1 SR |
366 | drvs->rx_address_filtered = |
367 | port_stats->rx_address_filtered + | |
368 | port_stats->rx_vlan_filtered; | |
89a88ab8 AK |
369 | drvs->rx_alignment_symbol_errors = |
370 | port_stats->rx_alignment_symbol_errors; | |
371 | ||
372 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | |
373 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
374 | ||
375 | if (adapter->port_num) | |
ac124ff9 | 376 | drvs->jabber_events = rxf_stats->port1_jabber_events; |
89a88ab8 | 377 | else |
ac124ff9 | 378 | drvs->jabber_events = rxf_stats->port0_jabber_events; |
89a88ab8 | 379 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; |
89a88ab8 | 380 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
89a88ab8 AK |
381 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
382 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
ac124ff9 SP |
383 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
384 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; | |
89a88ab8 AK |
385 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
386 | } | |
387 | ||
ca34fe38 | 388 | static void populate_be_v1_stats(struct be_adapter *adapter) |
89a88ab8 | 389 | { |
ac124ff9 SP |
390 | struct be_hw_stats_v1 *hw_stats = hw_stats_from_cmd(adapter); |
391 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; | |
392 | struct be_rxf_stats_v1 *rxf_stats = &hw_stats->rxf; | |
89a88ab8 | 393 | struct be_port_rxf_stats_v1 *port_stats = |
ac124ff9 SP |
394 | &rxf_stats->port[adapter->port_num]; |
395 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
89a88ab8 | 396 | |
ac124ff9 | 397 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); |
02fe7027 AK |
398 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; |
399 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; | |
89a88ab8 AK |
400 | drvs->rx_pause_frames = port_stats->rx_pause_frames; |
401 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
402 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
403 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
404 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
405 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
406 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
407 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
408 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
409 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
410 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
411 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
412 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
413 | drvs->rx_dropped_header_too_small = | |
414 | port_stats->rx_dropped_header_too_small; | |
415 | drvs->rx_input_fifo_overflow_drop = | |
416 | port_stats->rx_input_fifo_overflow_drop; | |
18fb06a1 | 417 | drvs->rx_address_filtered = port_stats->rx_address_filtered; |
89a88ab8 AK |
418 | drvs->rx_alignment_symbol_errors = |
419 | port_stats->rx_alignment_symbol_errors; | |
ac124ff9 | 420 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; |
89a88ab8 AK |
421 | drvs->tx_pauseframes = port_stats->tx_pauseframes; |
422 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
b5adffc4 | 423 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; |
89a88ab8 AK |
424 | drvs->jabber_events = port_stats->jabber_events; |
425 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | |
89a88ab8 | 426 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; |
89a88ab8 AK |
427 | drvs->forwarded_packets = rxf_stats->forwarded_packets; |
428 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
ac124ff9 SP |
429 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; |
430 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; | |
89a88ab8 AK |
431 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; |
432 | } | |
433 | ||
61000861 AK |
434 | static void populate_be_v2_stats(struct be_adapter *adapter) |
435 | { | |
436 | struct be_hw_stats_v2 *hw_stats = hw_stats_from_cmd(adapter); | |
437 | struct be_pmem_stats *pmem_sts = &hw_stats->pmem; | |
438 | struct be_rxf_stats_v2 *rxf_stats = &hw_stats->rxf; | |
439 | struct be_port_rxf_stats_v2 *port_stats = | |
440 | &rxf_stats->port[adapter->port_num]; | |
441 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
442 | ||
443 | be_dws_le_to_cpu(hw_stats, sizeof(*hw_stats)); | |
444 | drvs->pmem_fifo_overflow_drop = port_stats->pmem_fifo_overflow_drop; | |
445 | drvs->rx_priority_pause_frames = port_stats->rx_priority_pause_frames; | |
446 | drvs->rx_pause_frames = port_stats->rx_pause_frames; | |
447 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
448 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
449 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
450 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
451 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
452 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
453 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
454 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
455 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
456 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
457 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
458 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
459 | drvs->rx_dropped_header_too_small = | |
460 | port_stats->rx_dropped_header_too_small; | |
461 | drvs->rx_input_fifo_overflow_drop = | |
462 | port_stats->rx_input_fifo_overflow_drop; | |
463 | drvs->rx_address_filtered = port_stats->rx_address_filtered; | |
464 | drvs->rx_alignment_symbol_errors = | |
465 | port_stats->rx_alignment_symbol_errors; | |
466 | drvs->rxpp_fifo_overflow_drop = port_stats->rxpp_fifo_overflow_drop; | |
467 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | |
468 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
469 | drvs->tx_priority_pauseframes = port_stats->tx_priority_pauseframes; | |
470 | drvs->jabber_events = port_stats->jabber_events; | |
471 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | |
472 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; | |
473 | drvs->forwarded_packets = rxf_stats->forwarded_packets; | |
474 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
475 | drvs->rx_drops_no_tpre_descr = rxf_stats->rx_drops_no_tpre_descr; | |
476 | drvs->rx_drops_too_many_frags = rxf_stats->rx_drops_too_many_frags; | |
477 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; | |
461ae379 AK |
478 | if (be_roce_supported(adapter)) { |
479 | drvs->rx_roce_bytes_lsd = port_stats->roce_bytes_received_lsd; | |
480 | drvs->rx_roce_bytes_msd = port_stats->roce_bytes_received_msd; | |
481 | drvs->rx_roce_frames = port_stats->roce_frames_received; | |
482 | drvs->roce_drops_crc = port_stats->roce_drops_crc; | |
483 | drvs->roce_drops_payload_len = | |
484 | port_stats->roce_drops_payload_len; | |
485 | } | |
61000861 AK |
486 | } |
487 | ||
005d5696 SX |
488 | static void populate_lancer_stats(struct be_adapter *adapter) |
489 | { | |
89a88ab8 | 490 | |
005d5696 | 491 | struct be_drv_stats *drvs = &adapter->drv_stats; |
ac124ff9 SP |
492 | struct lancer_pport_stats *pport_stats = |
493 | pport_stats_from_cmd(adapter); | |
494 | ||
495 | be_dws_le_to_cpu(pport_stats, sizeof(*pport_stats)); | |
496 | drvs->rx_pause_frames = pport_stats->rx_pause_frames_lo; | |
497 | drvs->rx_crc_errors = pport_stats->rx_crc_errors_lo; | |
498 | drvs->rx_control_frames = pport_stats->rx_control_frames_lo; | |
005d5696 | 499 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; |
ac124ff9 | 500 | drvs->rx_frame_too_long = pport_stats->rx_frames_too_long_lo; |
005d5696 SX |
501 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; |
502 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; | |
503 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; | |
504 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; | |
505 | drvs->rx_dropped_tcp_length = | |
506 | pport_stats->rx_dropped_invalid_tcp_length; | |
507 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; | |
508 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; | |
509 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; | |
510 | drvs->rx_dropped_header_too_small = | |
511 | pport_stats->rx_dropped_header_too_small; | |
512 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; | |
18fb06a1 SR |
513 | drvs->rx_address_filtered = |
514 | pport_stats->rx_address_filtered + | |
515 | pport_stats->rx_vlan_filtered; | |
ac124ff9 | 516 | drvs->rx_alignment_symbol_errors = pport_stats->rx_symbol_errors_lo; |
005d5696 | 517 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; |
ac124ff9 SP |
518 | drvs->tx_pauseframes = pport_stats->tx_pause_frames_lo; |
519 | drvs->tx_controlframes = pport_stats->tx_control_frames_lo; | |
005d5696 | 520 | drvs->jabber_events = pport_stats->rx_jabbers; |
ac124ff9 SP |
521 | drvs->forwarded_packets = pport_stats->num_forwards_lo; |
522 | drvs->rx_drops_mtu = pport_stats->rx_drops_mtu_lo; | |
005d5696 | 523 | drvs->rx_drops_too_many_frags = |
ac124ff9 | 524 | pport_stats->rx_drops_too_many_frags_lo; |
005d5696 | 525 | } |
89a88ab8 | 526 | |
09c1c68f SP |
527 | static void accumulate_16bit_val(u32 *acc, u16 val) |
528 | { | |
529 | #define lo(x) (x & 0xFFFF) | |
530 | #define hi(x) (x & 0xFFFF0000) | |
531 | bool wrapped = val < lo(*acc); | |
532 | u32 newacc = hi(*acc) + val; | |
533 | ||
534 | if (wrapped) | |
535 | newacc += 65536; | |
536 | ACCESS_ONCE(*acc) = newacc; | |
537 | } | |
538 | ||
4188e7df | 539 | static void populate_erx_stats(struct be_adapter *adapter, |
a6c578ef AK |
540 | struct be_rx_obj *rxo, |
541 | u32 erx_stat) | |
542 | { | |
543 | if (!BEx_chip(adapter)) | |
544 | rx_stats(rxo)->rx_drops_no_frags = erx_stat; | |
545 | else | |
546 | /* below erx HW counter can actually wrap around after | |
547 | * 65535. Driver accumulates a 32-bit value | |
548 | */ | |
549 | accumulate_16bit_val(&rx_stats(rxo)->rx_drops_no_frags, | |
550 | (u16)erx_stat); | |
551 | } | |
552 | ||
89a88ab8 AK |
553 | void be_parse_stats(struct be_adapter *adapter) |
554 | { | |
61000861 | 555 | struct be_erx_stats_v2 *erx = be_erx_stats_from_cmd(adapter); |
ac124ff9 SP |
556 | struct be_rx_obj *rxo; |
557 | int i; | |
a6c578ef | 558 | u32 erx_stat; |
ac124ff9 | 559 | |
ca34fe38 SP |
560 | if (lancer_chip(adapter)) { |
561 | populate_lancer_stats(adapter); | |
005d5696 | 562 | } else { |
ca34fe38 SP |
563 | if (BE2_chip(adapter)) |
564 | populate_be_v0_stats(adapter); | |
61000861 AK |
565 | else if (BE3_chip(adapter)) |
566 | /* for BE3 */ | |
ca34fe38 | 567 | populate_be_v1_stats(adapter); |
61000861 AK |
568 | else |
569 | populate_be_v2_stats(adapter); | |
d51ebd33 | 570 | |
61000861 | 571 | /* erx_v2 is longer than v0, v1. use v2 for v0, v1 access */ |
ca34fe38 | 572 | for_all_rx_queues(adapter, rxo, i) { |
a6c578ef AK |
573 | erx_stat = erx->rx_drops_no_fragments[rxo->q.id]; |
574 | populate_erx_stats(adapter, rxo, erx_stat); | |
ca34fe38 | 575 | } |
09c1c68f | 576 | } |
89a88ab8 AK |
577 | } |
578 | ||
ab1594e9 SP |
579 | static struct rtnl_link_stats64 *be_get_stats64(struct net_device *netdev, |
580 | struct rtnl_link_stats64 *stats) | |
6b7c5b94 | 581 | { |
ab1594e9 | 582 | struct be_adapter *adapter = netdev_priv(netdev); |
89a88ab8 | 583 | struct be_drv_stats *drvs = &adapter->drv_stats; |
3abcdeda | 584 | struct be_rx_obj *rxo; |
3c8def97 | 585 | struct be_tx_obj *txo; |
ab1594e9 SP |
586 | u64 pkts, bytes; |
587 | unsigned int start; | |
3abcdeda | 588 | int i; |
6b7c5b94 | 589 | |
3abcdeda | 590 | for_all_rx_queues(adapter, rxo, i) { |
ab1594e9 SP |
591 | const struct be_rx_stats *rx_stats = rx_stats(rxo); |
592 | do { | |
593 | start = u64_stats_fetch_begin_bh(&rx_stats->sync); | |
594 | pkts = rx_stats(rxo)->rx_pkts; | |
595 | bytes = rx_stats(rxo)->rx_bytes; | |
596 | } while (u64_stats_fetch_retry_bh(&rx_stats->sync, start)); | |
597 | stats->rx_packets += pkts; | |
598 | stats->rx_bytes += bytes; | |
599 | stats->multicast += rx_stats(rxo)->rx_mcast_pkts; | |
600 | stats->rx_dropped += rx_stats(rxo)->rx_drops_no_skbs + | |
601 | rx_stats(rxo)->rx_drops_no_frags; | |
3abcdeda SP |
602 | } |
603 | ||
3c8def97 | 604 | for_all_tx_queues(adapter, txo, i) { |
ab1594e9 SP |
605 | const struct be_tx_stats *tx_stats = tx_stats(txo); |
606 | do { | |
607 | start = u64_stats_fetch_begin_bh(&tx_stats->sync); | |
608 | pkts = tx_stats(txo)->tx_pkts; | |
609 | bytes = tx_stats(txo)->tx_bytes; | |
610 | } while (u64_stats_fetch_retry_bh(&tx_stats->sync, start)); | |
611 | stats->tx_packets += pkts; | |
612 | stats->tx_bytes += bytes; | |
3c8def97 | 613 | } |
6b7c5b94 SP |
614 | |
615 | /* bad pkts received */ | |
ab1594e9 | 616 | stats->rx_errors = drvs->rx_crc_errors + |
89a88ab8 AK |
617 | drvs->rx_alignment_symbol_errors + |
618 | drvs->rx_in_range_errors + | |
619 | drvs->rx_out_range_errors + | |
620 | drvs->rx_frame_too_long + | |
621 | drvs->rx_dropped_too_small + | |
622 | drvs->rx_dropped_too_short + | |
623 | drvs->rx_dropped_header_too_small + | |
624 | drvs->rx_dropped_tcp_length + | |
ab1594e9 | 625 | drvs->rx_dropped_runt; |
68110868 | 626 | |
6b7c5b94 | 627 | /* detailed rx errors */ |
ab1594e9 | 628 | stats->rx_length_errors = drvs->rx_in_range_errors + |
89a88ab8 AK |
629 | drvs->rx_out_range_errors + |
630 | drvs->rx_frame_too_long; | |
68110868 | 631 | |
ab1594e9 | 632 | stats->rx_crc_errors = drvs->rx_crc_errors; |
6b7c5b94 SP |
633 | |
634 | /* frame alignment errors */ | |
ab1594e9 | 635 | stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
68110868 | 636 | |
6b7c5b94 SP |
637 | /* receiver fifo overrun */ |
638 | /* drops_no_pbuf is no per i/f, it's per BE card */ | |
ab1594e9 | 639 | stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
89a88ab8 AK |
640 | drvs->rx_input_fifo_overflow_drop + |
641 | drvs->rx_drops_no_pbuf; | |
ab1594e9 | 642 | return stats; |
6b7c5b94 SP |
643 | } |
644 | ||
b236916a | 645 | void be_link_status_update(struct be_adapter *adapter, u8 link_status) |
6b7c5b94 | 646 | { |
6b7c5b94 SP |
647 | struct net_device *netdev = adapter->netdev; |
648 | ||
b236916a | 649 | if (!(adapter->flags & BE_FLAGS_LINK_STATUS_INIT)) { |
ea172a01 | 650 | netif_carrier_off(netdev); |
b236916a | 651 | adapter->flags |= BE_FLAGS_LINK_STATUS_INIT; |
6b7c5b94 | 652 | } |
b236916a AK |
653 | |
654 | if ((link_status & LINK_STATUS_MASK) == LINK_UP) | |
655 | netif_carrier_on(netdev); | |
656 | else | |
657 | netif_carrier_off(netdev); | |
6b7c5b94 SP |
658 | } |
659 | ||
3c8def97 | 660 | static void be_tx_stats_update(struct be_tx_obj *txo, |
91992e44 | 661 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
6b7c5b94 | 662 | { |
3c8def97 SP |
663 | struct be_tx_stats *stats = tx_stats(txo); |
664 | ||
ab1594e9 | 665 | u64_stats_update_begin(&stats->sync); |
ac124ff9 SP |
666 | stats->tx_reqs++; |
667 | stats->tx_wrbs += wrb_cnt; | |
668 | stats->tx_bytes += copied; | |
669 | stats->tx_pkts += (gso_segs ? gso_segs : 1); | |
6b7c5b94 | 670 | if (stopped) |
ac124ff9 | 671 | stats->tx_stops++; |
ab1594e9 | 672 | u64_stats_update_end(&stats->sync); |
6b7c5b94 SP |
673 | } |
674 | ||
675 | /* Determine number of WRB entries needed to xmit data in an skb */ | |
fe6d2a38 SP |
676 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
677 | bool *dummy) | |
6b7c5b94 | 678 | { |
ebc8d2ab DM |
679 | int cnt = (skb->len > skb->data_len); |
680 | ||
681 | cnt += skb_shinfo(skb)->nr_frags; | |
682 | ||
6b7c5b94 SP |
683 | /* to account for hdr wrb */ |
684 | cnt++; | |
fe6d2a38 SP |
685 | if (lancer_chip(adapter) || !(cnt & 1)) { |
686 | *dummy = false; | |
687 | } else { | |
6b7c5b94 SP |
688 | /* add a dummy to make it an even num */ |
689 | cnt++; | |
690 | *dummy = true; | |
fe6d2a38 | 691 | } |
6b7c5b94 SP |
692 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
693 | return cnt; | |
694 | } | |
695 | ||
696 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) | |
697 | { | |
698 | wrb->frag_pa_hi = upper_32_bits(addr); | |
699 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; | |
700 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; | |
89b1f496 | 701 | wrb->rsvd0 = 0; |
6b7c5b94 SP |
702 | } |
703 | ||
1ded132d AK |
704 | static inline u16 be_get_tx_vlan_tag(struct be_adapter *adapter, |
705 | struct sk_buff *skb) | |
706 | { | |
707 | u8 vlan_prio; | |
708 | u16 vlan_tag; | |
709 | ||
710 | vlan_tag = vlan_tx_tag_get(skb); | |
711 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | |
712 | /* If vlan priority provided by OS is NOT in available bmap */ | |
713 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) | |
714 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | | |
715 | adapter->recommended_prio; | |
716 | ||
717 | return vlan_tag; | |
718 | } | |
719 | ||
cc4ce020 | 720 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
bc0c3405 | 721 | struct sk_buff *skb, u32 wrb_cnt, u32 len, bool skip_hw_vlan) |
6b7c5b94 | 722 | { |
1ded132d | 723 | u16 vlan_tag; |
cc4ce020 | 724 | |
6b7c5b94 SP |
725 | memset(hdr, 0, sizeof(*hdr)); |
726 | ||
727 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); | |
728 | ||
49e4b847 | 729 | if (skb_is_gso(skb)) { |
6b7c5b94 SP |
730 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
731 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, | |
732 | hdr, skb_shinfo(skb)->gso_size); | |
fe6d2a38 | 733 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
49e4b847 | 734 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
6b7c5b94 SP |
735 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
736 | if (is_tcp_pkt(skb)) | |
737 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); | |
738 | else if (is_udp_pkt(skb)) | |
739 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); | |
740 | } | |
741 | ||
4c5102f9 | 742 | if (vlan_tx_tag_present(skb)) { |
6b7c5b94 | 743 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
1ded132d | 744 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
cc4ce020 | 745 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); |
6b7c5b94 SP |
746 | } |
747 | ||
bc0c3405 AK |
748 | /* To skip HW VLAN tagging: evt = 1, compl = 0 */ |
749 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, !skip_hw_vlan); | |
6b7c5b94 | 750 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); |
6b7c5b94 SP |
751 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); |
752 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); | |
753 | } | |
754 | ||
2b7bcebf | 755 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, |
7101e111 SP |
756 | bool unmap_single) |
757 | { | |
758 | dma_addr_t dma; | |
759 | ||
760 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); | |
761 | ||
762 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; | |
b681ee77 | 763 | if (wrb->frag_len) { |
7101e111 | 764 | if (unmap_single) |
2b7bcebf IV |
765 | dma_unmap_single(dev, dma, wrb->frag_len, |
766 | DMA_TO_DEVICE); | |
7101e111 | 767 | else |
2b7bcebf | 768 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
7101e111 SP |
769 | } |
770 | } | |
6b7c5b94 | 771 | |
3c8def97 | 772 | static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, |
bc0c3405 AK |
773 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb, |
774 | bool skip_hw_vlan) | |
6b7c5b94 | 775 | { |
7101e111 SP |
776 | dma_addr_t busaddr; |
777 | int i, copied = 0; | |
2b7bcebf | 778 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 | 779 | struct sk_buff *first_skb = skb; |
6b7c5b94 SP |
780 | struct be_eth_wrb *wrb; |
781 | struct be_eth_hdr_wrb *hdr; | |
7101e111 SP |
782 | bool map_single = false; |
783 | u16 map_head; | |
6b7c5b94 | 784 | |
6b7c5b94 SP |
785 | hdr = queue_head_node(txq); |
786 | queue_head_inc(txq); | |
7101e111 | 787 | map_head = txq->head; |
6b7c5b94 | 788 | |
ebc8d2ab | 789 | if (skb->len > skb->data_len) { |
e743d313 | 790 | int len = skb_headlen(skb); |
2b7bcebf IV |
791 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
792 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 SP |
793 | goto dma_err; |
794 | map_single = true; | |
ebc8d2ab DM |
795 | wrb = queue_head_node(txq); |
796 | wrb_fill(wrb, busaddr, len); | |
797 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
798 | queue_head_inc(txq); | |
799 | copied += len; | |
800 | } | |
6b7c5b94 | 801 | |
ebc8d2ab | 802 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
9e903e08 | 803 | const struct skb_frag_struct *frag = |
ebc8d2ab | 804 | &skb_shinfo(skb)->frags[i]; |
b061b39e | 805 | busaddr = skb_frag_dma_map(dev, frag, 0, |
9e903e08 | 806 | skb_frag_size(frag), DMA_TO_DEVICE); |
2b7bcebf | 807 | if (dma_mapping_error(dev, busaddr)) |
7101e111 | 808 | goto dma_err; |
ebc8d2ab | 809 | wrb = queue_head_node(txq); |
9e903e08 | 810 | wrb_fill(wrb, busaddr, skb_frag_size(frag)); |
ebc8d2ab DM |
811 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); |
812 | queue_head_inc(txq); | |
9e903e08 | 813 | copied += skb_frag_size(frag); |
6b7c5b94 SP |
814 | } |
815 | ||
816 | if (dummy_wrb) { | |
817 | wrb = queue_head_node(txq); | |
818 | wrb_fill(wrb, 0, 0); | |
819 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
820 | queue_head_inc(txq); | |
821 | } | |
822 | ||
bc0c3405 | 823 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied, skip_hw_vlan); |
6b7c5b94 SP |
824 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
825 | ||
826 | return copied; | |
7101e111 SP |
827 | dma_err: |
828 | txq->head = map_head; | |
829 | while (copied) { | |
830 | wrb = queue_head_node(txq); | |
2b7bcebf | 831 | unmap_tx_frag(dev, wrb, map_single); |
7101e111 SP |
832 | map_single = false; |
833 | copied -= wrb->frag_len; | |
834 | queue_head_inc(txq); | |
835 | } | |
836 | return 0; | |
6b7c5b94 SP |
837 | } |
838 | ||
93040ae5 | 839 | static struct sk_buff *be_insert_vlan_in_pkt(struct be_adapter *adapter, |
bc0c3405 AK |
840 | struct sk_buff *skb, |
841 | bool *skip_hw_vlan) | |
93040ae5 SK |
842 | { |
843 | u16 vlan_tag = 0; | |
844 | ||
845 | skb = skb_share_check(skb, GFP_ATOMIC); | |
846 | if (unlikely(!skb)) | |
847 | return skb; | |
848 | ||
efee8e87 | 849 | if (vlan_tx_tag_present(skb)) |
93040ae5 | 850 | vlan_tag = be_get_tx_vlan_tag(adapter, skb); |
52fe29e4 SB |
851 | |
852 | if (qnq_async_evt_rcvd(adapter) && adapter->pvid) { | |
853 | if (!vlan_tag) | |
854 | vlan_tag = adapter->pvid; | |
855 | /* f/w workaround to set skip_hw_vlan = 1, informs the F/W to | |
856 | * skip VLAN insertion | |
857 | */ | |
858 | if (skip_hw_vlan) | |
859 | *skip_hw_vlan = true; | |
860 | } | |
bc0c3405 AK |
861 | |
862 | if (vlan_tag) { | |
58717686 | 863 | skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
bc0c3405 AK |
864 | if (unlikely(!skb)) |
865 | return skb; | |
bc0c3405 AK |
866 | skb->vlan_tci = 0; |
867 | } | |
868 | ||
869 | /* Insert the outer VLAN, if any */ | |
870 | if (adapter->qnq_vid) { | |
871 | vlan_tag = adapter->qnq_vid; | |
58717686 | 872 | skb = __vlan_put_tag(skb, htons(ETH_P_8021Q), vlan_tag); |
bc0c3405 AK |
873 | if (unlikely(!skb)) |
874 | return skb; | |
875 | if (skip_hw_vlan) | |
876 | *skip_hw_vlan = true; | |
877 | } | |
878 | ||
93040ae5 SK |
879 | return skb; |
880 | } | |
881 | ||
bc0c3405 AK |
882 | static bool be_ipv6_exthdr_check(struct sk_buff *skb) |
883 | { | |
884 | struct ethhdr *eh = (struct ethhdr *)skb->data; | |
885 | u16 offset = ETH_HLEN; | |
886 | ||
887 | if (eh->h_proto == htons(ETH_P_IPV6)) { | |
888 | struct ipv6hdr *ip6h = (struct ipv6hdr *)(skb->data + offset); | |
889 | ||
890 | offset += sizeof(struct ipv6hdr); | |
891 | if (ip6h->nexthdr != NEXTHDR_TCP && | |
892 | ip6h->nexthdr != NEXTHDR_UDP) { | |
893 | struct ipv6_opt_hdr *ehdr = | |
894 | (struct ipv6_opt_hdr *) (skb->data + offset); | |
895 | ||
896 | /* offending pkt: 2nd byte following IPv6 hdr is 0xff */ | |
897 | if (ehdr->hdrlen == 0xff) | |
898 | return true; | |
899 | } | |
900 | } | |
901 | return false; | |
902 | } | |
903 | ||
904 | static int be_vlan_tag_tx_chk(struct be_adapter *adapter, struct sk_buff *skb) | |
905 | { | |
906 | return vlan_tx_tag_present(skb) || adapter->pvid || adapter->qnq_vid; | |
907 | } | |
908 | ||
ee9c799c SP |
909 | static int be_ipv6_tx_stall_chk(struct be_adapter *adapter, |
910 | struct sk_buff *skb) | |
bc0c3405 | 911 | { |
ee9c799c | 912 | return BE3_chip(adapter) && be_ipv6_exthdr_check(skb); |
bc0c3405 AK |
913 | } |
914 | ||
ee9c799c SP |
915 | static struct sk_buff *be_xmit_workarounds(struct be_adapter *adapter, |
916 | struct sk_buff *skb, | |
917 | bool *skip_hw_vlan) | |
6b7c5b94 | 918 | { |
d2cb6ce7 | 919 | struct vlan_ethhdr *veh = (struct vlan_ethhdr *)skb->data; |
ee9c799c SP |
920 | unsigned int eth_hdr_len; |
921 | struct iphdr *ip; | |
93040ae5 | 922 | |
b54881f9 | 923 | /* Lancer, SH-R ASICs have a bug wherein Packets that are 32 bytes or less |
48265667 | 924 | * may cause a transmit stall on that port. So the work-around is to |
b54881f9 | 925 | * pad short packets (<= 32 bytes) to a 36-byte length. |
48265667 | 926 | */ |
b54881f9 | 927 | if (unlikely(!BEx_chip(adapter) && skb->len <= 32)) { |
48265667 SK |
928 | if (skb_padto(skb, 36)) |
929 | goto tx_drop; | |
930 | skb->len = 36; | |
931 | } | |
932 | ||
1297f9db AK |
933 | /* For padded packets, BE HW modifies tot_len field in IP header |
934 | * incorrecly when VLAN tag is inserted by HW. | |
3904dcc4 | 935 | * For padded packets, Lancer computes incorrect checksum. |
1ded132d | 936 | */ |
ee9c799c SP |
937 | eth_hdr_len = ntohs(skb->protocol) == ETH_P_8021Q ? |
938 | VLAN_ETH_HLEN : ETH_HLEN; | |
3904dcc4 SK |
939 | if (skb->len <= 60 && |
940 | (lancer_chip(adapter) || vlan_tx_tag_present(skb)) && | |
ee9c799c | 941 | is_ipv4_pkt(skb)) { |
93040ae5 SK |
942 | ip = (struct iphdr *)ip_hdr(skb); |
943 | pskb_trim(skb, eth_hdr_len + ntohs(ip->tot_len)); | |
944 | } | |
1ded132d | 945 | |
d2cb6ce7 AK |
946 | /* If vlan tag is already inlined in the packet, skip HW VLAN |
947 | * tagging in UMC mode | |
948 | */ | |
949 | if ((adapter->function_mode & UMC_ENABLED) && | |
950 | veh->h_vlan_proto == htons(ETH_P_8021Q)) | |
ee9c799c | 951 | *skip_hw_vlan = true; |
d2cb6ce7 | 952 | |
93040ae5 SK |
953 | /* HW has a bug wherein it will calculate CSUM for VLAN |
954 | * pkts even though it is disabled. | |
955 | * Manually insert VLAN in pkt. | |
956 | */ | |
957 | if (skb->ip_summed != CHECKSUM_PARTIAL && | |
ee9c799c SP |
958 | vlan_tx_tag_present(skb)) { |
959 | skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); | |
bc0c3405 AK |
960 | if (unlikely(!skb)) |
961 | goto tx_drop; | |
962 | } | |
963 | ||
964 | /* HW may lockup when VLAN HW tagging is requested on | |
965 | * certain ipv6 packets. Drop such pkts if the HW workaround to | |
966 | * skip HW tagging is not enabled by FW. | |
967 | */ | |
968 | if (unlikely(be_ipv6_tx_stall_chk(adapter, skb) && | |
ee9c799c SP |
969 | (adapter->pvid || adapter->qnq_vid) && |
970 | !qnq_async_evt_rcvd(adapter))) | |
bc0c3405 AK |
971 | goto tx_drop; |
972 | ||
973 | /* Manual VLAN tag insertion to prevent: | |
974 | * ASIC lockup when the ASIC inserts VLAN tag into | |
975 | * certain ipv6 packets. Insert VLAN tags in driver, | |
976 | * and set event, completion, vlan bits accordingly | |
977 | * in the Tx WRB. | |
978 | */ | |
979 | if (be_ipv6_tx_stall_chk(adapter, skb) && | |
980 | be_vlan_tag_tx_chk(adapter, skb)) { | |
ee9c799c | 981 | skb = be_insert_vlan_in_pkt(adapter, skb, skip_hw_vlan); |
1ded132d AK |
982 | if (unlikely(!skb)) |
983 | goto tx_drop; | |
1ded132d AK |
984 | } |
985 | ||
ee9c799c SP |
986 | return skb; |
987 | tx_drop: | |
988 | dev_kfree_skb_any(skb); | |
989 | return NULL; | |
990 | } | |
991 | ||
992 | static netdev_tx_t be_xmit(struct sk_buff *skb, struct net_device *netdev) | |
993 | { | |
994 | struct be_adapter *adapter = netdev_priv(netdev); | |
995 | struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)]; | |
996 | struct be_queue_info *txq = &txo->q; | |
997 | bool dummy_wrb, stopped = false; | |
998 | u32 wrb_cnt = 0, copied = 0; | |
999 | bool skip_hw_vlan = false; | |
1000 | u32 start = txq->head; | |
1001 | ||
1002 | skb = be_xmit_workarounds(adapter, skb, &skip_hw_vlan); | |
bc617526 SP |
1003 | if (!skb) { |
1004 | tx_stats(txo)->tx_drv_drops++; | |
ee9c799c | 1005 | return NETDEV_TX_OK; |
bc617526 | 1006 | } |
ee9c799c | 1007 | |
fe6d2a38 | 1008 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
6b7c5b94 | 1009 | |
bc0c3405 AK |
1010 | copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb, |
1011 | skip_hw_vlan); | |
c190e3c8 | 1012 | if (copied) { |
cd8f76c0 ED |
1013 | int gso_segs = skb_shinfo(skb)->gso_segs; |
1014 | ||
c190e3c8 | 1015 | /* record the sent skb in the sent_skb table */ |
3c8def97 SP |
1016 | BUG_ON(txo->sent_skb_list[start]); |
1017 | txo->sent_skb_list[start] = skb; | |
c190e3c8 AK |
1018 | |
1019 | /* Ensure txq has space for the next skb; Else stop the queue | |
1020 | * *BEFORE* ringing the tx doorbell, so that we serialze the | |
1021 | * tx compls of the current transmit which'll wake up the queue | |
1022 | */ | |
7101e111 | 1023 | atomic_add(wrb_cnt, &txq->used); |
c190e3c8 AK |
1024 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
1025 | txq->len) { | |
3c8def97 | 1026 | netif_stop_subqueue(netdev, skb_get_queue_mapping(skb)); |
c190e3c8 AK |
1027 | stopped = true; |
1028 | } | |
6b7c5b94 | 1029 | |
94d73aaa | 1030 | be_txq_notify(adapter, txo, wrb_cnt); |
6b7c5b94 | 1031 | |
cd8f76c0 | 1032 | be_tx_stats_update(txo, wrb_cnt, copied, gso_segs, stopped); |
c190e3c8 AK |
1033 | } else { |
1034 | txq->head = start; | |
bc617526 | 1035 | tx_stats(txo)->tx_drv_drops++; |
c190e3c8 | 1036 | dev_kfree_skb_any(skb); |
6b7c5b94 | 1037 | } |
6b7c5b94 SP |
1038 | return NETDEV_TX_OK; |
1039 | } | |
1040 | ||
1041 | static int be_change_mtu(struct net_device *netdev, int new_mtu) | |
1042 | { | |
1043 | struct be_adapter *adapter = netdev_priv(netdev); | |
1044 | if (new_mtu < BE_MIN_MTU || | |
34a89b8c AK |
1045 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
1046 | (ETH_HLEN + ETH_FCS_LEN))) { | |
6b7c5b94 SP |
1047 | dev_info(&adapter->pdev->dev, |
1048 | "MTU must be between %d and %d bytes\n", | |
34a89b8c AK |
1049 | BE_MIN_MTU, |
1050 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); | |
6b7c5b94 SP |
1051 | return -EINVAL; |
1052 | } | |
1053 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", | |
1054 | netdev->mtu, new_mtu); | |
1055 | netdev->mtu = new_mtu; | |
1056 | return 0; | |
1057 | } | |
1058 | ||
1059 | /* | |
82903e4b AK |
1060 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
1061 | * If the user configures more, place BE in vlan promiscuous mode. | |
6b7c5b94 | 1062 | */ |
10329df8 | 1063 | static int be_vid_config(struct be_adapter *adapter) |
6b7c5b94 | 1064 | { |
10329df8 SP |
1065 | u16 vids[BE_NUM_VLANS_SUPPORTED]; |
1066 | u16 num = 0, i; | |
82903e4b | 1067 | int status = 0; |
1da87b7f | 1068 | |
c0e64ef4 SP |
1069 | /* No need to further configure vids if in promiscuous mode */ |
1070 | if (adapter->promiscuous) | |
1071 | return 0; | |
1072 | ||
92bf14ab | 1073 | if (adapter->vlans_added > be_max_vlans(adapter)) |
0fc16ebf PR |
1074 | goto set_vlan_promisc; |
1075 | ||
1076 | /* Construct VLAN Table to give to HW */ | |
1077 | for (i = 0; i < VLAN_N_VID; i++) | |
1078 | if (adapter->vlan_tag[i]) | |
10329df8 | 1079 | vids[num++] = cpu_to_le16(i); |
0fc16ebf PR |
1080 | |
1081 | status = be_cmd_vlan_config(adapter, adapter->if_handle, | |
012bd387 | 1082 | vids, num, 0); |
0fc16ebf | 1083 | |
0fc16ebf | 1084 | if (status) { |
d9d604f8 AK |
1085 | /* Set to VLAN promisc mode as setting VLAN filter failed */ |
1086 | if (status == MCC_ADDL_STS_INSUFFICIENT_RESOURCES) | |
1087 | goto set_vlan_promisc; | |
1088 | dev_err(&adapter->pdev->dev, | |
1089 | "Setting HW VLAN filtering failed.\n"); | |
1090 | } else { | |
1091 | if (adapter->flags & BE_FLAGS_VLAN_PROMISC) { | |
1092 | /* hw VLAN filtering re-enabled. */ | |
1093 | status = be_cmd_rx_filter(adapter, | |
1094 | BE_FLAGS_VLAN_PROMISC, OFF); | |
1095 | if (!status) { | |
1096 | dev_info(&adapter->pdev->dev, | |
1097 | "Disabling VLAN Promiscuous mode.\n"); | |
1098 | adapter->flags &= ~BE_FLAGS_VLAN_PROMISC; | |
1099 | dev_info(&adapter->pdev->dev, | |
1100 | "Re-Enabling HW VLAN filtering\n"); | |
1101 | } | |
1102 | } | |
6b7c5b94 | 1103 | } |
1da87b7f | 1104 | |
b31c50a7 | 1105 | return status; |
0fc16ebf PR |
1106 | |
1107 | set_vlan_promisc: | |
d9d604f8 AK |
1108 | dev_warn(&adapter->pdev->dev, "Exhausted VLAN HW filters.\n"); |
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"); | |
1113 | dev_info(&adapter->pdev->dev, "Disabling HW VLAN filtering\n"); | |
1114 | adapter->flags |= BE_FLAGS_VLAN_PROMISC; | |
1115 | } else | |
1116 | dev_err(&adapter->pdev->dev, | |
1117 | "Failed to enable VLAN Promiscuous mode.\n"); | |
0fc16ebf | 1118 | return status; |
6b7c5b94 SP |
1119 | } |
1120 | ||
80d5c368 | 1121 | static int be_vlan_add_vid(struct net_device *netdev, __be16 proto, u16 vid) |
6b7c5b94 SP |
1122 | { |
1123 | struct be_adapter *adapter = netdev_priv(netdev); | |
80817cbf | 1124 | int status = 0; |
6b7c5b94 | 1125 | |
ba343c77 | 1126 | |
a85e9986 PR |
1127 | /* Packets with VID 0 are always received by Lancer by default */ |
1128 | if (lancer_chip(adapter) && vid == 0) | |
1129 | goto ret; | |
1130 | ||
6b7c5b94 | 1131 | adapter->vlan_tag[vid] = 1; |
92bf14ab | 1132 | if (adapter->vlans_added <= (be_max_vlans(adapter) + 1)) |
10329df8 | 1133 | status = be_vid_config(adapter); |
8e586137 | 1134 | |
80817cbf AK |
1135 | if (!status) |
1136 | adapter->vlans_added++; | |
1137 | else | |
1138 | adapter->vlan_tag[vid] = 0; | |
1139 | ret: | |
1140 | return status; | |
6b7c5b94 SP |
1141 | } |
1142 | ||
80d5c368 | 1143 | static int be_vlan_rem_vid(struct net_device *netdev, __be16 proto, u16 vid) |
6b7c5b94 SP |
1144 | { |
1145 | struct be_adapter *adapter = netdev_priv(netdev); | |
80817cbf | 1146 | int status = 0; |
6b7c5b94 | 1147 | |
a85e9986 PR |
1148 | /* Packets with VID 0 are always received by Lancer by default */ |
1149 | if (lancer_chip(adapter) && vid == 0) | |
1150 | goto ret; | |
1151 | ||
6b7c5b94 | 1152 | adapter->vlan_tag[vid] = 0; |
92bf14ab | 1153 | if (adapter->vlans_added <= be_max_vlans(adapter)) |
10329df8 | 1154 | status = be_vid_config(adapter); |
8e586137 | 1155 | |
80817cbf AK |
1156 | if (!status) |
1157 | adapter->vlans_added--; | |
1158 | else | |
1159 | adapter->vlan_tag[vid] = 1; | |
1160 | ret: | |
1161 | return status; | |
6b7c5b94 SP |
1162 | } |
1163 | ||
a54769f5 | 1164 | static void be_set_rx_mode(struct net_device *netdev) |
6b7c5b94 SP |
1165 | { |
1166 | struct be_adapter *adapter = netdev_priv(netdev); | |
0fc16ebf | 1167 | int status; |
6b7c5b94 | 1168 | |
24307eef | 1169 | if (netdev->flags & IFF_PROMISC) { |
5b8821b7 | 1170 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
24307eef SP |
1171 | adapter->promiscuous = true; |
1172 | goto done; | |
6b7c5b94 SP |
1173 | } |
1174 | ||
25985edc | 1175 | /* BE was previously in promiscuous mode; disable it */ |
24307eef SP |
1176 | if (adapter->promiscuous) { |
1177 | adapter->promiscuous = false; | |
5b8821b7 | 1178 | be_cmd_rx_filter(adapter, IFF_PROMISC, OFF); |
c0e64ef4 SP |
1179 | |
1180 | if (adapter->vlans_added) | |
10329df8 | 1181 | be_vid_config(adapter); |
6b7c5b94 SP |
1182 | } |
1183 | ||
e7b909a6 | 1184 | /* Enable multicast promisc if num configured exceeds what we support */ |
4cd24eaf | 1185 | if (netdev->flags & IFF_ALLMULTI || |
92bf14ab | 1186 | netdev_mc_count(netdev) > be_max_mc(adapter)) { |
5b8821b7 | 1187 | be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); |
24307eef | 1188 | goto done; |
6b7c5b94 | 1189 | } |
6b7c5b94 | 1190 | |
fbc13f01 AK |
1191 | if (netdev_uc_count(netdev) != adapter->uc_macs) { |
1192 | struct netdev_hw_addr *ha; | |
1193 | int i = 1; /* First slot is claimed by the Primary MAC */ | |
1194 | ||
1195 | for (; adapter->uc_macs > 0; adapter->uc_macs--, i++) { | |
1196 | be_cmd_pmac_del(adapter, adapter->if_handle, | |
1197 | adapter->pmac_id[i], 0); | |
1198 | } | |
1199 | ||
92bf14ab | 1200 | if (netdev_uc_count(netdev) > be_max_uc(adapter)) { |
fbc13f01 AK |
1201 | be_cmd_rx_filter(adapter, IFF_PROMISC, ON); |
1202 | adapter->promiscuous = true; | |
1203 | goto done; | |
1204 | } | |
1205 | ||
1206 | netdev_for_each_uc_addr(ha, adapter->netdev) { | |
1207 | adapter->uc_macs++; /* First slot is for Primary MAC */ | |
1208 | be_cmd_pmac_add(adapter, (u8 *)ha->addr, | |
1209 | adapter->if_handle, | |
1210 | &adapter->pmac_id[adapter->uc_macs], 0); | |
1211 | } | |
1212 | } | |
1213 | ||
0fc16ebf PR |
1214 | status = be_cmd_rx_filter(adapter, IFF_MULTICAST, ON); |
1215 | ||
1216 | /* Set to MCAST promisc mode if setting MULTICAST address fails */ | |
1217 | if (status) { | |
1218 | dev_info(&adapter->pdev->dev, "Exhausted multicast HW filters.\n"); | |
1219 | dev_info(&adapter->pdev->dev, "Disabling HW multicast filtering.\n"); | |
1220 | be_cmd_rx_filter(adapter, IFF_ALLMULTI, ON); | |
1221 | } | |
24307eef SP |
1222 | done: |
1223 | return; | |
6b7c5b94 SP |
1224 | } |
1225 | ||
ba343c77 SB |
1226 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
1227 | { | |
1228 | struct be_adapter *adapter = netdev_priv(netdev); | |
11ac75ed | 1229 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
ba343c77 SB |
1230 | int status; |
1231 | ||
11ac75ed | 1232 | if (!sriov_enabled(adapter)) |
ba343c77 SB |
1233 | return -EPERM; |
1234 | ||
11ac75ed | 1235 | if (!is_valid_ether_addr(mac) || vf >= adapter->num_vfs) |
ba343c77 SB |
1236 | return -EINVAL; |
1237 | ||
3175d8c2 SP |
1238 | if (BEx_chip(adapter)) { |
1239 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, vf_cfg->pmac_id, | |
1240 | vf + 1); | |
ba343c77 | 1241 | |
11ac75ed SP |
1242 | status = be_cmd_pmac_add(adapter, mac, vf_cfg->if_handle, |
1243 | &vf_cfg->pmac_id, vf + 1); | |
3175d8c2 SP |
1244 | } else { |
1245 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, | |
1246 | vf + 1); | |
590c391d PR |
1247 | } |
1248 | ||
64600ea5 | 1249 | if (status) |
ba343c77 SB |
1250 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
1251 | mac, vf); | |
64600ea5 | 1252 | else |
11ac75ed | 1253 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
64600ea5 | 1254 | |
ba343c77 SB |
1255 | return status; |
1256 | } | |
1257 | ||
64600ea5 AK |
1258 | static int be_get_vf_config(struct net_device *netdev, int vf, |
1259 | struct ifla_vf_info *vi) | |
1260 | { | |
1261 | struct be_adapter *adapter = netdev_priv(netdev); | |
11ac75ed | 1262 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
64600ea5 | 1263 | |
11ac75ed | 1264 | if (!sriov_enabled(adapter)) |
64600ea5 AK |
1265 | return -EPERM; |
1266 | ||
11ac75ed | 1267 | if (vf >= adapter->num_vfs) |
64600ea5 AK |
1268 | return -EINVAL; |
1269 | ||
1270 | vi->vf = vf; | |
11ac75ed | 1271 | vi->tx_rate = vf_cfg->tx_rate; |
a60b3a13 AK |
1272 | vi->vlan = vf_cfg->vlan_tag & VLAN_VID_MASK; |
1273 | vi->qos = vf_cfg->vlan_tag >> VLAN_PRIO_SHIFT; | |
11ac75ed | 1274 | memcpy(&vi->mac, vf_cfg->mac_addr, ETH_ALEN); |
64600ea5 AK |
1275 | |
1276 | return 0; | |
1277 | } | |
1278 | ||
1da87b7f AK |
1279 | static int be_set_vf_vlan(struct net_device *netdev, |
1280 | int vf, u16 vlan, u8 qos) | |
1281 | { | |
1282 | struct be_adapter *adapter = netdev_priv(netdev); | |
b9fc0e53 | 1283 | struct be_vf_cfg *vf_cfg = &adapter->vf_cfg[vf]; |
1da87b7f AK |
1284 | int status = 0; |
1285 | ||
11ac75ed | 1286 | if (!sriov_enabled(adapter)) |
1da87b7f AK |
1287 | return -EPERM; |
1288 | ||
b9fc0e53 | 1289 | if (vf >= adapter->num_vfs || vlan > 4095 || qos > 7) |
1da87b7f AK |
1290 | return -EINVAL; |
1291 | ||
b9fc0e53 AK |
1292 | if (vlan || qos) { |
1293 | vlan |= qos << VLAN_PRIO_SHIFT; | |
1294 | if (vf_cfg->vlan_tag != vlan) { | |
f1f3ee1b | 1295 | /* If this is new value, program it. Else skip. */ |
b9fc0e53 AK |
1296 | vf_cfg->vlan_tag = vlan; |
1297 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, | |
1298 | vf_cfg->if_handle, 0); | |
f1f3ee1b | 1299 | } |
1da87b7f | 1300 | } else { |
f1f3ee1b | 1301 | /* Reset Transparent Vlan Tagging. */ |
b9fc0e53 AK |
1302 | vf_cfg->vlan_tag = 0; |
1303 | vlan = vf_cfg->def_vid; | |
f1f3ee1b | 1304 | status = be_cmd_set_hsw_config(adapter, vlan, vf + 1, |
b9fc0e53 | 1305 | vf_cfg->if_handle, 0); |
1da87b7f AK |
1306 | } |
1307 | ||
1da87b7f AK |
1308 | |
1309 | if (status) | |
1310 | dev_info(&adapter->pdev->dev, | |
1311 | "VLAN %d config on VF %d failed\n", vlan, vf); | |
1312 | return status; | |
1313 | } | |
1314 | ||
e1d18735 AK |
1315 | static int be_set_vf_tx_rate(struct net_device *netdev, |
1316 | int vf, int rate) | |
1317 | { | |
1318 | struct be_adapter *adapter = netdev_priv(netdev); | |
1319 | int status = 0; | |
1320 | ||
11ac75ed | 1321 | if (!sriov_enabled(adapter)) |
e1d18735 AK |
1322 | return -EPERM; |
1323 | ||
94f434c2 | 1324 | if (vf >= adapter->num_vfs) |
e1d18735 AK |
1325 | return -EINVAL; |
1326 | ||
94f434c2 AK |
1327 | if (rate < 100 || rate > 10000) { |
1328 | dev_err(&adapter->pdev->dev, | |
1329 | "tx rate must be between 100 and 10000 Mbps\n"); | |
1330 | return -EINVAL; | |
1331 | } | |
e1d18735 | 1332 | |
d5c18473 PR |
1333 | if (lancer_chip(adapter)) |
1334 | status = be_cmd_set_profile_config(adapter, rate / 10, vf + 1); | |
1335 | else | |
1336 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); | |
e1d18735 AK |
1337 | |
1338 | if (status) | |
94f434c2 | 1339 | dev_err(&adapter->pdev->dev, |
e1d18735 | 1340 | "tx rate %d on VF %d failed\n", rate, vf); |
94f434c2 AK |
1341 | else |
1342 | adapter->vf_cfg[vf].tx_rate = rate; | |
e1d18735 AK |
1343 | return status; |
1344 | } | |
1345 | ||
2632bafd SP |
1346 | static void be_aic_update(struct be_aic_obj *aic, u64 rx_pkts, u64 tx_pkts, |
1347 | ulong now) | |
6b7c5b94 | 1348 | { |
2632bafd SP |
1349 | aic->rx_pkts_prev = rx_pkts; |
1350 | aic->tx_reqs_prev = tx_pkts; | |
1351 | aic->jiffies = now; | |
1352 | } | |
ac124ff9 | 1353 | |
2632bafd SP |
1354 | static void be_eqd_update(struct be_adapter *adapter) |
1355 | { | |
1356 | struct be_set_eqd set_eqd[MAX_EVT_QS]; | |
1357 | int eqd, i, num = 0, start; | |
1358 | struct be_aic_obj *aic; | |
1359 | struct be_eq_obj *eqo; | |
1360 | struct be_rx_obj *rxo; | |
1361 | struct be_tx_obj *txo; | |
1362 | u64 rx_pkts, tx_pkts; | |
1363 | ulong now; | |
1364 | u32 pps, delta; | |
10ef9ab4 | 1365 | |
2632bafd SP |
1366 | for_all_evt_queues(adapter, eqo, i) { |
1367 | aic = &adapter->aic_obj[eqo->idx]; | |
1368 | if (!aic->enable) { | |
1369 | if (aic->jiffies) | |
1370 | aic->jiffies = 0; | |
1371 | eqd = aic->et_eqd; | |
1372 | goto modify_eqd; | |
1373 | } | |
6b7c5b94 | 1374 | |
2632bafd SP |
1375 | rxo = &adapter->rx_obj[eqo->idx]; |
1376 | do { | |
1377 | start = u64_stats_fetch_begin_bh(&rxo->stats.sync); | |
1378 | rx_pkts = rxo->stats.rx_pkts; | |
1379 | } while (u64_stats_fetch_retry_bh(&rxo->stats.sync, start)); | |
10ef9ab4 | 1380 | |
2632bafd SP |
1381 | txo = &adapter->tx_obj[eqo->idx]; |
1382 | do { | |
1383 | start = u64_stats_fetch_begin_bh(&txo->stats.sync); | |
1384 | tx_pkts = txo->stats.tx_reqs; | |
1385 | } while (u64_stats_fetch_retry_bh(&txo->stats.sync, start)); | |
6b7c5b94 | 1386 | |
6b7c5b94 | 1387 | |
2632bafd SP |
1388 | /* Skip, if wrapped around or first calculation */ |
1389 | now = jiffies; | |
1390 | if (!aic->jiffies || time_before(now, aic->jiffies) || | |
1391 | rx_pkts < aic->rx_pkts_prev || | |
1392 | tx_pkts < aic->tx_reqs_prev) { | |
1393 | be_aic_update(aic, rx_pkts, tx_pkts, now); | |
1394 | continue; | |
1395 | } | |
1396 | ||
1397 | delta = jiffies_to_msecs(now - aic->jiffies); | |
1398 | pps = (((u32)(rx_pkts - aic->rx_pkts_prev) * 1000) / delta) + | |
1399 | (((u32)(tx_pkts - aic->tx_reqs_prev) * 1000) / delta); | |
1400 | eqd = (pps / 15000) << 2; | |
10ef9ab4 | 1401 | |
2632bafd SP |
1402 | if (eqd < 8) |
1403 | eqd = 0; | |
1404 | eqd = min_t(u32, eqd, aic->max_eqd); | |
1405 | eqd = max_t(u32, eqd, aic->min_eqd); | |
1406 | ||
1407 | be_aic_update(aic, rx_pkts, tx_pkts, now); | |
10ef9ab4 | 1408 | modify_eqd: |
2632bafd SP |
1409 | if (eqd != aic->prev_eqd) { |
1410 | set_eqd[num].delay_multiplier = (eqd * 65)/100; | |
1411 | set_eqd[num].eq_id = eqo->q.id; | |
1412 | aic->prev_eqd = eqd; | |
1413 | num++; | |
1414 | } | |
ac124ff9 | 1415 | } |
2632bafd SP |
1416 | |
1417 | if (num) | |
1418 | be_cmd_modify_eqd(adapter, set_eqd, num); | |
6b7c5b94 SP |
1419 | } |
1420 | ||
3abcdeda | 1421 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
2e588f84 | 1422 | struct be_rx_compl_info *rxcp) |
4097f663 | 1423 | { |
ac124ff9 | 1424 | struct be_rx_stats *stats = rx_stats(rxo); |
1ef78abe | 1425 | |
ab1594e9 | 1426 | u64_stats_update_begin(&stats->sync); |
3abcdeda | 1427 | stats->rx_compl++; |
2e588f84 | 1428 | stats->rx_bytes += rxcp->pkt_size; |
3abcdeda | 1429 | stats->rx_pkts++; |
2e588f84 | 1430 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
3abcdeda | 1431 | stats->rx_mcast_pkts++; |
2e588f84 | 1432 | if (rxcp->err) |
ac124ff9 | 1433 | stats->rx_compl_err++; |
ab1594e9 | 1434 | u64_stats_update_end(&stats->sync); |
4097f663 SP |
1435 | } |
1436 | ||
2e588f84 | 1437 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
728a9972 | 1438 | { |
19fad86f PR |
1439 | /* L4 checksum is not reliable for non TCP/UDP packets. |
1440 | * Also ignore ipcksm for ipv6 pkts */ | |
2e588f84 SP |
1441 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
1442 | (rxcp->ip_csum || rxcp->ipv6); | |
728a9972 AK |
1443 | } |
1444 | ||
10ef9ab4 SP |
1445 | static struct be_rx_page_info *get_rx_page_info(struct be_rx_obj *rxo, |
1446 | u16 frag_idx) | |
6b7c5b94 | 1447 | { |
10ef9ab4 | 1448 | struct be_adapter *adapter = rxo->adapter; |
6b7c5b94 | 1449 | struct be_rx_page_info *rx_page_info; |
3abcdeda | 1450 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1451 | |
3abcdeda | 1452 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
6b7c5b94 SP |
1453 | BUG_ON(!rx_page_info->page); |
1454 | ||
205859a2 | 1455 | if (rx_page_info->last_page_user) { |
2b7bcebf IV |
1456 | dma_unmap_page(&adapter->pdev->dev, |
1457 | dma_unmap_addr(rx_page_info, bus), | |
1458 | adapter->big_page_size, DMA_FROM_DEVICE); | |
205859a2 AK |
1459 | rx_page_info->last_page_user = false; |
1460 | } | |
6b7c5b94 SP |
1461 | |
1462 | atomic_dec(&rxq->used); | |
1463 | return rx_page_info; | |
1464 | } | |
1465 | ||
1466 | /* Throwaway the data in the Rx completion */ | |
10ef9ab4 SP |
1467 | static void be_rx_compl_discard(struct be_rx_obj *rxo, |
1468 | struct be_rx_compl_info *rxcp) | |
6b7c5b94 | 1469 | { |
3abcdeda | 1470 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1471 | struct be_rx_page_info *page_info; |
2e588f84 | 1472 | u16 i, num_rcvd = rxcp->num_rcvd; |
6b7c5b94 | 1473 | |
e80d9da6 | 1474 | for (i = 0; i < num_rcvd; i++) { |
10ef9ab4 | 1475 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
e80d9da6 PR |
1476 | put_page(page_info->page); |
1477 | memset(page_info, 0, sizeof(*page_info)); | |
2e588f84 | 1478 | index_inc(&rxcp->rxq_idx, rxq->len); |
6b7c5b94 SP |
1479 | } |
1480 | } | |
1481 | ||
1482 | /* | |
1483 | * skb_fill_rx_data forms a complete skb for an ether frame | |
1484 | * indicated by rxcp. | |
1485 | */ | |
10ef9ab4 SP |
1486 | static void skb_fill_rx_data(struct be_rx_obj *rxo, struct sk_buff *skb, |
1487 | struct be_rx_compl_info *rxcp) | |
6b7c5b94 | 1488 | { |
3abcdeda | 1489 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1490 | struct be_rx_page_info *page_info; |
2e588f84 SP |
1491 | u16 i, j; |
1492 | u16 hdr_len, curr_frag_len, remaining; | |
6b7c5b94 | 1493 | u8 *start; |
6b7c5b94 | 1494 | |
10ef9ab4 | 1495 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
6b7c5b94 SP |
1496 | start = page_address(page_info->page) + page_info->page_offset; |
1497 | prefetch(start); | |
1498 | ||
1499 | /* Copy data in the first descriptor of this completion */ | |
2e588f84 | 1500 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
6b7c5b94 | 1501 | |
6b7c5b94 SP |
1502 | skb->len = curr_frag_len; |
1503 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ | |
ac1ae5f3 | 1504 | memcpy(skb->data, start, curr_frag_len); |
6b7c5b94 SP |
1505 | /* Complete packet has now been moved to data */ |
1506 | put_page(page_info->page); | |
1507 | skb->data_len = 0; | |
1508 | skb->tail += curr_frag_len; | |
1509 | } else { | |
ac1ae5f3 ED |
1510 | hdr_len = ETH_HLEN; |
1511 | memcpy(skb->data, start, hdr_len); | |
6b7c5b94 | 1512 | skb_shinfo(skb)->nr_frags = 1; |
b061b39e | 1513 | skb_frag_set_page(skb, 0, page_info->page); |
6b7c5b94 SP |
1514 | skb_shinfo(skb)->frags[0].page_offset = |
1515 | page_info->page_offset + hdr_len; | |
9e903e08 | 1516 | skb_frag_size_set(&skb_shinfo(skb)->frags[0], curr_frag_len - hdr_len); |
6b7c5b94 | 1517 | skb->data_len = curr_frag_len - hdr_len; |
bdb28a97 | 1518 | skb->truesize += rx_frag_size; |
6b7c5b94 SP |
1519 | skb->tail += hdr_len; |
1520 | } | |
205859a2 | 1521 | page_info->page = NULL; |
6b7c5b94 | 1522 | |
2e588f84 SP |
1523 | if (rxcp->pkt_size <= rx_frag_size) { |
1524 | BUG_ON(rxcp->num_rcvd != 1); | |
1525 | return; | |
6b7c5b94 SP |
1526 | } |
1527 | ||
1528 | /* More frags present for this completion */ | |
2e588f84 SP |
1529 | index_inc(&rxcp->rxq_idx, rxq->len); |
1530 | remaining = rxcp->pkt_size - curr_frag_len; | |
1531 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { | |
10ef9ab4 | 1532 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
2e588f84 | 1533 | curr_frag_len = min(remaining, rx_frag_size); |
6b7c5b94 | 1534 | |
bd46cb6c AK |
1535 | /* Coalesce all frags from the same physical page in one slot */ |
1536 | if (page_info->page_offset == 0) { | |
1537 | /* Fresh page */ | |
1538 | j++; | |
b061b39e | 1539 | skb_frag_set_page(skb, j, page_info->page); |
bd46cb6c AK |
1540 | skb_shinfo(skb)->frags[j].page_offset = |
1541 | page_info->page_offset; | |
9e903e08 | 1542 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
bd46cb6c AK |
1543 | skb_shinfo(skb)->nr_frags++; |
1544 | } else { | |
1545 | put_page(page_info->page); | |
1546 | } | |
1547 | ||
9e903e08 | 1548 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
6b7c5b94 SP |
1549 | skb->len += curr_frag_len; |
1550 | skb->data_len += curr_frag_len; | |
bdb28a97 | 1551 | skb->truesize += rx_frag_size; |
2e588f84 SP |
1552 | remaining -= curr_frag_len; |
1553 | index_inc(&rxcp->rxq_idx, rxq->len); | |
205859a2 | 1554 | page_info->page = NULL; |
6b7c5b94 | 1555 | } |
bd46cb6c | 1556 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 SP |
1557 | } |
1558 | ||
5be93b9a | 1559 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
6384a4d0 | 1560 | static void be_rx_compl_process(struct be_rx_obj *rxo, struct napi_struct *napi, |
10ef9ab4 | 1561 | struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1562 | { |
10ef9ab4 | 1563 | struct be_adapter *adapter = rxo->adapter; |
6332c8d3 | 1564 | struct net_device *netdev = adapter->netdev; |
6b7c5b94 | 1565 | struct sk_buff *skb; |
89420424 | 1566 | |
bb349bb4 | 1567 | skb = netdev_alloc_skb_ip_align(netdev, BE_RX_SKB_ALLOC_SIZE); |
a058a632 | 1568 | if (unlikely(!skb)) { |
ac124ff9 | 1569 | rx_stats(rxo)->rx_drops_no_skbs++; |
10ef9ab4 | 1570 | be_rx_compl_discard(rxo, rxcp); |
6b7c5b94 SP |
1571 | return; |
1572 | } | |
1573 | ||
10ef9ab4 | 1574 | skb_fill_rx_data(rxo, skb, rxcp); |
6b7c5b94 | 1575 | |
6332c8d3 | 1576 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
728a9972 | 1577 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
c6ce2f4b SK |
1578 | else |
1579 | skb_checksum_none_assert(skb); | |
6b7c5b94 | 1580 | |
6332c8d3 | 1581 | skb->protocol = eth_type_trans(skb, netdev); |
aaa6daec | 1582 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
10ef9ab4 | 1583 | if (netdev->features & NETIF_F_RXHASH) |
4b972914 | 1584 | skb->rxhash = rxcp->rss_hash; |
6384a4d0 | 1585 | skb_mark_napi_id(skb, napi); |
6b7c5b94 | 1586 | |
343e43c0 | 1587 | if (rxcp->vlanf) |
86a9bad3 | 1588 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
4c5102f9 AK |
1589 | |
1590 | netif_receive_skb(skb); | |
6b7c5b94 SP |
1591 | } |
1592 | ||
5be93b9a | 1593 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
4188e7df JH |
1594 | static void be_rx_compl_process_gro(struct be_rx_obj *rxo, |
1595 | struct napi_struct *napi, | |
1596 | struct be_rx_compl_info *rxcp) | |
6b7c5b94 | 1597 | { |
10ef9ab4 | 1598 | struct be_adapter *adapter = rxo->adapter; |
6b7c5b94 | 1599 | struct be_rx_page_info *page_info; |
5be93b9a | 1600 | struct sk_buff *skb = NULL; |
3abcdeda | 1601 | struct be_queue_info *rxq = &rxo->q; |
2e588f84 SP |
1602 | u16 remaining, curr_frag_len; |
1603 | u16 i, j; | |
3968fa1e | 1604 | |
10ef9ab4 | 1605 | skb = napi_get_frags(napi); |
5be93b9a | 1606 | if (!skb) { |
10ef9ab4 | 1607 | be_rx_compl_discard(rxo, rxcp); |
5be93b9a AK |
1608 | return; |
1609 | } | |
1610 | ||
2e588f84 SP |
1611 | remaining = rxcp->pkt_size; |
1612 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { | |
10ef9ab4 | 1613 | page_info = get_rx_page_info(rxo, rxcp->rxq_idx); |
6b7c5b94 SP |
1614 | |
1615 | curr_frag_len = min(remaining, rx_frag_size); | |
1616 | ||
bd46cb6c AK |
1617 | /* Coalesce all frags from the same physical page in one slot */ |
1618 | if (i == 0 || page_info->page_offset == 0) { | |
1619 | /* First frag or Fresh page */ | |
1620 | j++; | |
b061b39e | 1621 | skb_frag_set_page(skb, j, page_info->page); |
5be93b9a AK |
1622 | skb_shinfo(skb)->frags[j].page_offset = |
1623 | page_info->page_offset; | |
9e903e08 | 1624 | skb_frag_size_set(&skb_shinfo(skb)->frags[j], 0); |
bd46cb6c AK |
1625 | } else { |
1626 | put_page(page_info->page); | |
1627 | } | |
9e903e08 | 1628 | skb_frag_size_add(&skb_shinfo(skb)->frags[j], curr_frag_len); |
bdb28a97 | 1629 | skb->truesize += rx_frag_size; |
bd46cb6c | 1630 | remaining -= curr_frag_len; |
2e588f84 | 1631 | index_inc(&rxcp->rxq_idx, rxq->len); |
6b7c5b94 SP |
1632 | memset(page_info, 0, sizeof(*page_info)); |
1633 | } | |
bd46cb6c | 1634 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1635 | |
5be93b9a | 1636 | skb_shinfo(skb)->nr_frags = j + 1; |
2e588f84 SP |
1637 | skb->len = rxcp->pkt_size; |
1638 | skb->data_len = rxcp->pkt_size; | |
5be93b9a | 1639 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
aaa6daec | 1640 | skb_record_rx_queue(skb, rxo - &adapter->rx_obj[0]); |
4b972914 AK |
1641 | if (adapter->netdev->features & NETIF_F_RXHASH) |
1642 | skb->rxhash = rxcp->rss_hash; | |
6384a4d0 | 1643 | skb_mark_napi_id(skb, napi); |
5be93b9a | 1644 | |
343e43c0 | 1645 | if (rxcp->vlanf) |
86a9bad3 | 1646 | __vlan_hwaccel_put_tag(skb, htons(ETH_P_8021Q), rxcp->vlan_tag); |
4c5102f9 | 1647 | |
10ef9ab4 | 1648 | napi_gro_frags(napi); |
2e588f84 SP |
1649 | } |
1650 | ||
10ef9ab4 SP |
1651 | static void be_parse_rx_compl_v1(struct be_eth_rx_compl *compl, |
1652 | struct be_rx_compl_info *rxcp) | |
2e588f84 SP |
1653 | { |
1654 | rxcp->pkt_size = | |
1655 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); | |
1656 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); | |
1657 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); | |
1658 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, tcpf, compl); | |
9ecb42fd | 1659 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, udpf, compl); |
2e588f84 SP |
1660 | rxcp->ip_csum = |
1661 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); | |
1662 | rxcp->l4_csum = | |
1663 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); | |
1664 | rxcp->ipv6 = | |
1665 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); | |
1666 | rxcp->rxq_idx = | |
1667 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); | |
1668 | rxcp->num_rcvd = | |
1669 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); | |
1670 | rxcp->pkt_type = | |
1671 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); | |
4b972914 | 1672 | rxcp->rss_hash = |
c297977e | 1673 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, compl); |
15d72184 SP |
1674 | if (rxcp->vlanf) { |
1675 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, | |
3c709f8f DM |
1676 | compl); |
1677 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, | |
1678 | compl); | |
15d72184 | 1679 | } |
12004ae9 | 1680 | rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, port, compl); |
2e588f84 SP |
1681 | } |
1682 | ||
10ef9ab4 SP |
1683 | static void be_parse_rx_compl_v0(struct be_eth_rx_compl *compl, |
1684 | struct be_rx_compl_info *rxcp) | |
2e588f84 SP |
1685 | { |
1686 | rxcp->pkt_size = | |
1687 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); | |
1688 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); | |
1689 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); | |
1690 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, tcpf, compl); | |
9ecb42fd | 1691 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, udpf, compl); |
2e588f84 SP |
1692 | rxcp->ip_csum = |
1693 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); | |
1694 | rxcp->l4_csum = | |
1695 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); | |
1696 | rxcp->ipv6 = | |
1697 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); | |
1698 | rxcp->rxq_idx = | |
1699 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); | |
1700 | rxcp->num_rcvd = | |
1701 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); | |
1702 | rxcp->pkt_type = | |
1703 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); | |
4b972914 | 1704 | rxcp->rss_hash = |
c297977e | 1705 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, compl); |
15d72184 SP |
1706 | if (rxcp->vlanf) { |
1707 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, | |
3c709f8f DM |
1708 | compl); |
1709 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, | |
1710 | compl); | |
15d72184 | 1711 | } |
12004ae9 | 1712 | rxcp->port = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, port, compl); |
e38b1706 SK |
1713 | rxcp->ip_frag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, |
1714 | ip_frag, compl); | |
2e588f84 SP |
1715 | } |
1716 | ||
1717 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) | |
1718 | { | |
1719 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); | |
1720 | struct be_rx_compl_info *rxcp = &rxo->rxcp; | |
1721 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1722 | |
2e588f84 SP |
1723 | /* For checking the valid bit it is Ok to use either definition as the |
1724 | * valid bit is at the same position in both v0 and v1 Rx compl */ | |
1725 | if (compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] == 0) | |
1726 | return NULL; | |
6b7c5b94 | 1727 | |
2e588f84 SP |
1728 | rmb(); |
1729 | be_dws_le_to_cpu(compl, sizeof(*compl)); | |
6b7c5b94 | 1730 | |
2e588f84 | 1731 | if (adapter->be3_native) |
10ef9ab4 | 1732 | be_parse_rx_compl_v1(compl, rxcp); |
2e588f84 | 1733 | else |
10ef9ab4 | 1734 | be_parse_rx_compl_v0(compl, rxcp); |
6b7c5b94 | 1735 | |
e38b1706 SK |
1736 | if (rxcp->ip_frag) |
1737 | rxcp->l4_csum = 0; | |
1738 | ||
15d72184 SP |
1739 | if (rxcp->vlanf) { |
1740 | /* vlanf could be wrongly set in some cards. | |
1741 | * ignore if vtm is not set */ | |
752961a1 | 1742 | if ((adapter->function_mode & FLEX10_MODE) && !rxcp->vtm) |
15d72184 | 1743 | rxcp->vlanf = 0; |
6b7c5b94 | 1744 | |
15d72184 | 1745 | if (!lancer_chip(adapter)) |
3c709f8f | 1746 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
6b7c5b94 | 1747 | |
939cf306 | 1748 | if (adapter->pvid == (rxcp->vlan_tag & VLAN_VID_MASK) && |
3c709f8f | 1749 | !adapter->vlan_tag[rxcp->vlan_tag]) |
15d72184 SP |
1750 | rxcp->vlanf = 0; |
1751 | } | |
2e588f84 SP |
1752 | |
1753 | /* As the compl has been parsed, reset it; we wont touch it again */ | |
1754 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; | |
6b7c5b94 | 1755 | |
3abcdeda | 1756 | queue_tail_inc(&rxo->cq); |
6b7c5b94 SP |
1757 | return rxcp; |
1758 | } | |
1759 | ||
1829b086 | 1760 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
6b7c5b94 | 1761 | { |
6b7c5b94 | 1762 | u32 order = get_order(size); |
1829b086 | 1763 | |
6b7c5b94 | 1764 | if (order > 0) |
1829b086 ED |
1765 | gfp |= __GFP_COMP; |
1766 | return alloc_pages(gfp, order); | |
6b7c5b94 SP |
1767 | } |
1768 | ||
1769 | /* | |
1770 | * Allocate a page, split it to fragments of size rx_frag_size and post as | |
1771 | * receive buffers to BE | |
1772 | */ | |
1829b086 | 1773 | static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) |
6b7c5b94 | 1774 | { |
3abcdeda | 1775 | struct be_adapter *adapter = rxo->adapter; |
26d92f92 | 1776 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
3abcdeda | 1777 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 SP |
1778 | struct page *pagep = NULL; |
1779 | struct be_eth_rx_d *rxd; | |
1780 | u64 page_dmaaddr = 0, frag_dmaaddr; | |
1781 | u32 posted, page_offset = 0; | |
1782 | ||
3abcdeda | 1783 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1784 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
1785 | if (!pagep) { | |
1829b086 | 1786 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
6b7c5b94 | 1787 | if (unlikely(!pagep)) { |
ac124ff9 | 1788 | rx_stats(rxo)->rx_post_fail++; |
6b7c5b94 SP |
1789 | break; |
1790 | } | |
2b7bcebf IV |
1791 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, |
1792 | 0, adapter->big_page_size, | |
1793 | DMA_FROM_DEVICE); | |
6b7c5b94 SP |
1794 | page_info->page_offset = 0; |
1795 | } else { | |
1796 | get_page(pagep); | |
1797 | page_info->page_offset = page_offset + rx_frag_size; | |
1798 | } | |
1799 | page_offset = page_info->page_offset; | |
1800 | page_info->page = pagep; | |
fac6da5b | 1801 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
6b7c5b94 SP |
1802 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
1803 | ||
1804 | rxd = queue_head_node(rxq); | |
1805 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); | |
1806 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); | |
6b7c5b94 SP |
1807 | |
1808 | /* Any space left in the current big page for another frag? */ | |
1809 | if ((page_offset + rx_frag_size + rx_frag_size) > | |
1810 | adapter->big_page_size) { | |
1811 | pagep = NULL; | |
1812 | page_info->last_page_user = true; | |
1813 | } | |
26d92f92 SP |
1814 | |
1815 | prev_page_info = page_info; | |
1816 | queue_head_inc(rxq); | |
10ef9ab4 | 1817 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1818 | } |
1819 | if (pagep) | |
26d92f92 | 1820 | prev_page_info->last_page_user = true; |
6b7c5b94 SP |
1821 | |
1822 | if (posted) { | |
6b7c5b94 | 1823 | atomic_add(posted, &rxq->used); |
6384a4d0 SP |
1824 | if (rxo->rx_post_starved) |
1825 | rxo->rx_post_starved = false; | |
8788fdc2 | 1826 | be_rxq_notify(adapter, rxq->id, posted); |
ea1dae11 SP |
1827 | } else if (atomic_read(&rxq->used) == 0) { |
1828 | /* Let be_worker replenish when memory is available */ | |
3abcdeda | 1829 | rxo->rx_post_starved = true; |
6b7c5b94 | 1830 | } |
6b7c5b94 SP |
1831 | } |
1832 | ||
5fb379ee | 1833 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) |
6b7c5b94 | 1834 | { |
6b7c5b94 SP |
1835 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
1836 | ||
1837 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) | |
1838 | return NULL; | |
1839 | ||
f3eb62d2 | 1840 | rmb(); |
6b7c5b94 SP |
1841 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
1842 | ||
1843 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; | |
1844 | ||
1845 | queue_tail_inc(tx_cq); | |
1846 | return txcp; | |
1847 | } | |
1848 | ||
3c8def97 SP |
1849 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
1850 | struct be_tx_obj *txo, u16 last_index) | |
6b7c5b94 | 1851 | { |
3c8def97 | 1852 | struct be_queue_info *txq = &txo->q; |
a73b796e | 1853 | struct be_eth_wrb *wrb; |
3c8def97 | 1854 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
6b7c5b94 | 1855 | struct sk_buff *sent_skb; |
ec43b1a6 SP |
1856 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
1857 | bool unmap_skb_hdr = true; | |
6b7c5b94 | 1858 | |
ec43b1a6 | 1859 | sent_skb = sent_skbs[txq->tail]; |
6b7c5b94 | 1860 | BUG_ON(!sent_skb); |
ec43b1a6 SP |
1861 | sent_skbs[txq->tail] = NULL; |
1862 | ||
1863 | /* skip header wrb */ | |
a73b796e | 1864 | queue_tail_inc(txq); |
6b7c5b94 | 1865 | |
ec43b1a6 | 1866 | do { |
6b7c5b94 | 1867 | cur_index = txq->tail; |
a73b796e | 1868 | wrb = queue_tail_node(txq); |
2b7bcebf IV |
1869 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
1870 | (unmap_skb_hdr && skb_headlen(sent_skb))); | |
ec43b1a6 SP |
1871 | unmap_skb_hdr = false; |
1872 | ||
6b7c5b94 SP |
1873 | num_wrbs++; |
1874 | queue_tail_inc(txq); | |
ec43b1a6 | 1875 | } while (cur_index != last_index); |
6b7c5b94 | 1876 | |
6b7c5b94 | 1877 | kfree_skb(sent_skb); |
4d586b82 | 1878 | return num_wrbs; |
6b7c5b94 SP |
1879 | } |
1880 | ||
10ef9ab4 SP |
1881 | /* Return the number of events in the event queue */ |
1882 | static inline int events_get(struct be_eq_obj *eqo) | |
859b1e4e | 1883 | { |
10ef9ab4 SP |
1884 | struct be_eq_entry *eqe; |
1885 | int num = 0; | |
859b1e4e | 1886 | |
10ef9ab4 SP |
1887 | do { |
1888 | eqe = queue_tail_node(&eqo->q); | |
1889 | if (eqe->evt == 0) | |
1890 | break; | |
859b1e4e | 1891 | |
10ef9ab4 SP |
1892 | rmb(); |
1893 | eqe->evt = 0; | |
1894 | num++; | |
1895 | queue_tail_inc(&eqo->q); | |
1896 | } while (true); | |
1897 | ||
1898 | return num; | |
859b1e4e SP |
1899 | } |
1900 | ||
10ef9ab4 SP |
1901 | /* Leaves the EQ is disarmed state */ |
1902 | static void be_eq_clean(struct be_eq_obj *eqo) | |
859b1e4e | 1903 | { |
10ef9ab4 | 1904 | int num = events_get(eqo); |
859b1e4e | 1905 | |
10ef9ab4 | 1906 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, num); |
859b1e4e SP |
1907 | } |
1908 | ||
10ef9ab4 | 1909 | static void be_rx_cq_clean(struct be_rx_obj *rxo) |
6b7c5b94 SP |
1910 | { |
1911 | struct be_rx_page_info *page_info; | |
3abcdeda SP |
1912 | struct be_queue_info *rxq = &rxo->q; |
1913 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 1914 | struct be_rx_compl_info *rxcp; |
d23e946c SP |
1915 | struct be_adapter *adapter = rxo->adapter; |
1916 | int flush_wait = 0; | |
6b7c5b94 SP |
1917 | u16 tail; |
1918 | ||
d23e946c SP |
1919 | /* Consume pending rx completions. |
1920 | * Wait for the flush completion (identified by zero num_rcvd) | |
1921 | * to arrive. Notify CQ even when there are no more CQ entries | |
1922 | * for HW to flush partially coalesced CQ entries. | |
1923 | * In Lancer, there is no need to wait for flush compl. | |
1924 | */ | |
1925 | for (;;) { | |
1926 | rxcp = be_rx_compl_get(rxo); | |
1927 | if (rxcp == NULL) { | |
1928 | if (lancer_chip(adapter)) | |
1929 | break; | |
1930 | ||
1931 | if (flush_wait++ > 10 || be_hw_error(adapter)) { | |
1932 | dev_warn(&adapter->pdev->dev, | |
1933 | "did not receive flush compl\n"); | |
1934 | break; | |
1935 | } | |
1936 | be_cq_notify(adapter, rx_cq->id, true, 0); | |
1937 | mdelay(1); | |
1938 | } else { | |
1939 | be_rx_compl_discard(rxo, rxcp); | |
3f5dffe6 | 1940 | be_cq_notify(adapter, rx_cq->id, false, 1); |
d23e946c SP |
1941 | if (rxcp->num_rcvd == 0) |
1942 | break; | |
1943 | } | |
6b7c5b94 SP |
1944 | } |
1945 | ||
d23e946c SP |
1946 | /* After cleanup, leave the CQ in unarmed state */ |
1947 | be_cq_notify(adapter, rx_cq->id, false, 0); | |
1948 | ||
1949 | /* Then free posted rx buffers that were not used */ | |
6b7c5b94 | 1950 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; |
cdab23b7 | 1951 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
10ef9ab4 | 1952 | page_info = get_rx_page_info(rxo, tail); |
6b7c5b94 SP |
1953 | put_page(page_info->page); |
1954 | memset(page_info, 0, sizeof(*page_info)); | |
1955 | } | |
1956 | BUG_ON(atomic_read(&rxq->used)); | |
482c9e79 | 1957 | rxq->tail = rxq->head = 0; |
6b7c5b94 SP |
1958 | } |
1959 | ||
0ae57bb3 | 1960 | static void be_tx_compl_clean(struct be_adapter *adapter) |
6b7c5b94 | 1961 | { |
0ae57bb3 SP |
1962 | struct be_tx_obj *txo; |
1963 | struct be_queue_info *txq; | |
a8e9179a | 1964 | struct be_eth_tx_compl *txcp; |
4d586b82 | 1965 | u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
b03388d6 SP |
1966 | struct sk_buff *sent_skb; |
1967 | bool dummy_wrb; | |
0ae57bb3 | 1968 | int i, pending_txqs; |
a8e9179a SP |
1969 | |
1970 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ | |
1971 | do { | |
0ae57bb3 SP |
1972 | pending_txqs = adapter->num_tx_qs; |
1973 | ||
1974 | for_all_tx_queues(adapter, txo, i) { | |
1975 | txq = &txo->q; | |
1976 | while ((txcp = be_tx_compl_get(&txo->cq))) { | |
1977 | end_idx = | |
1978 | AMAP_GET_BITS(struct amap_eth_tx_compl, | |
1979 | wrb_index, txcp); | |
1980 | num_wrbs += be_tx_compl_process(adapter, txo, | |
1981 | end_idx); | |
1982 | cmpl++; | |
1983 | } | |
1984 | if (cmpl) { | |
1985 | be_cq_notify(adapter, txo->cq.id, false, cmpl); | |
1986 | atomic_sub(num_wrbs, &txq->used); | |
1987 | cmpl = 0; | |
1988 | num_wrbs = 0; | |
1989 | } | |
1990 | if (atomic_read(&txq->used) == 0) | |
1991 | pending_txqs--; | |
a8e9179a SP |
1992 | } |
1993 | ||
0ae57bb3 | 1994 | if (pending_txqs == 0 || ++timeo > 200) |
a8e9179a SP |
1995 | break; |
1996 | ||
1997 | mdelay(1); | |
1998 | } while (true); | |
1999 | ||
0ae57bb3 SP |
2000 | for_all_tx_queues(adapter, txo, i) { |
2001 | txq = &txo->q; | |
2002 | if (atomic_read(&txq->used)) | |
2003 | dev_err(&adapter->pdev->dev, "%d pending tx-compls\n", | |
2004 | atomic_read(&txq->used)); | |
2005 | ||
2006 | /* free posted tx for which compls will never arrive */ | |
2007 | while (atomic_read(&txq->used)) { | |
2008 | sent_skb = txo->sent_skb_list[txq->tail]; | |
2009 | end_idx = txq->tail; | |
2010 | num_wrbs = wrb_cnt_for_skb(adapter, sent_skb, | |
2011 | &dummy_wrb); | |
2012 | index_adv(&end_idx, num_wrbs - 1, txq->len); | |
2013 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); | |
2014 | atomic_sub(num_wrbs, &txq->used); | |
2015 | } | |
b03388d6 | 2016 | } |
6b7c5b94 SP |
2017 | } |
2018 | ||
10ef9ab4 SP |
2019 | static void be_evt_queues_destroy(struct be_adapter *adapter) |
2020 | { | |
2021 | struct be_eq_obj *eqo; | |
2022 | int i; | |
2023 | ||
2024 | for_all_evt_queues(adapter, eqo, i) { | |
19d59aa7 PR |
2025 | if (eqo->q.created) { |
2026 | be_eq_clean(eqo); | |
10ef9ab4 | 2027 | be_cmd_q_destroy(adapter, &eqo->q, QTYPE_EQ); |
6384a4d0 | 2028 | napi_hash_del(&eqo->napi); |
68d7bdcb | 2029 | netif_napi_del(&eqo->napi); |
19d59aa7 | 2030 | } |
10ef9ab4 SP |
2031 | be_queue_free(adapter, &eqo->q); |
2032 | } | |
2033 | } | |
2034 | ||
2035 | static int be_evt_queues_create(struct be_adapter *adapter) | |
2036 | { | |
2037 | struct be_queue_info *eq; | |
2038 | struct be_eq_obj *eqo; | |
2632bafd | 2039 | struct be_aic_obj *aic; |
10ef9ab4 SP |
2040 | int i, rc; |
2041 | ||
92bf14ab SP |
2042 | adapter->num_evt_qs = min_t(u16, num_irqs(adapter), |
2043 | adapter->cfg_num_qs); | |
10ef9ab4 SP |
2044 | |
2045 | for_all_evt_queues(adapter, eqo, i) { | |
68d7bdcb SP |
2046 | netif_napi_add(adapter->netdev, &eqo->napi, be_poll, |
2047 | BE_NAPI_WEIGHT); | |
6384a4d0 | 2048 | napi_hash_add(&eqo->napi); |
2632bafd | 2049 | aic = &adapter->aic_obj[i]; |
10ef9ab4 SP |
2050 | eqo->adapter = adapter; |
2051 | eqo->tx_budget = BE_TX_BUDGET; | |
2052 | eqo->idx = i; | |
2632bafd SP |
2053 | aic->max_eqd = BE_MAX_EQD; |
2054 | aic->enable = true; | |
10ef9ab4 SP |
2055 | |
2056 | eq = &eqo->q; | |
2057 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, | |
2058 | sizeof(struct be_eq_entry)); | |
2059 | if (rc) | |
2060 | return rc; | |
2061 | ||
f2f781a7 | 2062 | rc = be_cmd_eq_create(adapter, eqo); |
10ef9ab4 SP |
2063 | if (rc) |
2064 | return rc; | |
2065 | } | |
1cfafab9 | 2066 | return 0; |
10ef9ab4 SP |
2067 | } |
2068 | ||
5fb379ee SP |
2069 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
2070 | { | |
2071 | struct be_queue_info *q; | |
5fb379ee | 2072 | |
8788fdc2 | 2073 | q = &adapter->mcc_obj.q; |
5fb379ee | 2074 | if (q->created) |
8788fdc2 | 2075 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
5fb379ee SP |
2076 | be_queue_free(adapter, q); |
2077 | ||
8788fdc2 | 2078 | q = &adapter->mcc_obj.cq; |
5fb379ee | 2079 | if (q->created) |
8788fdc2 | 2080 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
5fb379ee SP |
2081 | be_queue_free(adapter, q); |
2082 | } | |
2083 | ||
2084 | /* Must be called only after TX qs are created as MCC shares TX EQ */ | |
2085 | static int be_mcc_queues_create(struct be_adapter *adapter) | |
2086 | { | |
2087 | struct be_queue_info *q, *cq; | |
5fb379ee | 2088 | |
8788fdc2 | 2089 | cq = &adapter->mcc_obj.cq; |
5fb379ee | 2090 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
efd2e40a | 2091 | sizeof(struct be_mcc_compl))) |
5fb379ee SP |
2092 | goto err; |
2093 | ||
10ef9ab4 SP |
2094 | /* Use the default EQ for MCC completions */ |
2095 | if (be_cmd_cq_create(adapter, cq, &mcc_eqo(adapter)->q, true, 0)) | |
5fb379ee SP |
2096 | goto mcc_cq_free; |
2097 | ||
8788fdc2 | 2098 | q = &adapter->mcc_obj.q; |
5fb379ee SP |
2099 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
2100 | goto mcc_cq_destroy; | |
2101 | ||
8788fdc2 | 2102 | if (be_cmd_mccq_create(adapter, q, cq)) |
5fb379ee SP |
2103 | goto mcc_q_free; |
2104 | ||
2105 | return 0; | |
2106 | ||
2107 | mcc_q_free: | |
2108 | be_queue_free(adapter, q); | |
2109 | mcc_cq_destroy: | |
8788fdc2 | 2110 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
5fb379ee SP |
2111 | mcc_cq_free: |
2112 | be_queue_free(adapter, cq); | |
2113 | err: | |
2114 | return -1; | |
2115 | } | |
2116 | ||
6b7c5b94 SP |
2117 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
2118 | { | |
2119 | struct be_queue_info *q; | |
3c8def97 SP |
2120 | struct be_tx_obj *txo; |
2121 | u8 i; | |
6b7c5b94 | 2122 | |
3c8def97 SP |
2123 | for_all_tx_queues(adapter, txo, i) { |
2124 | q = &txo->q; | |
2125 | if (q->created) | |
2126 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); | |
2127 | be_queue_free(adapter, q); | |
6b7c5b94 | 2128 | |
3c8def97 SP |
2129 | q = &txo->cq; |
2130 | if (q->created) | |
2131 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
2132 | be_queue_free(adapter, q); | |
2133 | } | |
6b7c5b94 SP |
2134 | } |
2135 | ||
7707133c | 2136 | static int be_tx_qs_create(struct be_adapter *adapter) |
6b7c5b94 | 2137 | { |
10ef9ab4 | 2138 | struct be_queue_info *cq, *eq; |
3c8def97 | 2139 | struct be_tx_obj *txo; |
92bf14ab | 2140 | int status, i; |
6b7c5b94 | 2141 | |
92bf14ab | 2142 | adapter->num_tx_qs = min(adapter->num_evt_qs, be_max_txqs(adapter)); |
dafc0fe3 | 2143 | |
10ef9ab4 SP |
2144 | for_all_tx_queues(adapter, txo, i) { |
2145 | cq = &txo->cq; | |
2146 | status = be_queue_alloc(adapter, cq, TX_CQ_LEN, | |
2147 | sizeof(struct be_eth_tx_compl)); | |
2148 | if (status) | |
2149 | return status; | |
3c8def97 | 2150 | |
827da44c JS |
2151 | u64_stats_init(&txo->stats.sync); |
2152 | u64_stats_init(&txo->stats.sync_compl); | |
2153 | ||
10ef9ab4 SP |
2154 | /* If num_evt_qs is less than num_tx_qs, then more than |
2155 | * one txq share an eq | |
2156 | */ | |
2157 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; | |
2158 | status = be_cmd_cq_create(adapter, cq, eq, false, 3); | |
2159 | if (status) | |
2160 | return status; | |
6b7c5b94 | 2161 | |
10ef9ab4 SP |
2162 | status = be_queue_alloc(adapter, &txo->q, TX_Q_LEN, |
2163 | sizeof(struct be_eth_wrb)); | |
2164 | if (status) | |
2165 | return status; | |
6b7c5b94 | 2166 | |
94d73aaa | 2167 | status = be_cmd_txq_create(adapter, txo); |
10ef9ab4 SP |
2168 | if (status) |
2169 | return status; | |
3c8def97 | 2170 | } |
6b7c5b94 | 2171 | |
d379142b SP |
2172 | dev_info(&adapter->pdev->dev, "created %d TX queue(s)\n", |
2173 | adapter->num_tx_qs); | |
10ef9ab4 | 2174 | return 0; |
6b7c5b94 SP |
2175 | } |
2176 | ||
10ef9ab4 | 2177 | static void be_rx_cqs_destroy(struct be_adapter *adapter) |
6b7c5b94 SP |
2178 | { |
2179 | struct be_queue_info *q; | |
3abcdeda SP |
2180 | struct be_rx_obj *rxo; |
2181 | int i; | |
2182 | ||
2183 | for_all_rx_queues(adapter, rxo, i) { | |
3abcdeda SP |
2184 | q = &rxo->cq; |
2185 | if (q->created) | |
2186 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
2187 | be_queue_free(adapter, q); | |
ac6a0c4a SP |
2188 | } |
2189 | } | |
2190 | ||
10ef9ab4 | 2191 | static int be_rx_cqs_create(struct be_adapter *adapter) |
6b7c5b94 | 2192 | { |
10ef9ab4 | 2193 | struct be_queue_info *eq, *cq; |
3abcdeda SP |
2194 | struct be_rx_obj *rxo; |
2195 | int rc, i; | |
6b7c5b94 | 2196 | |
92bf14ab SP |
2197 | /* We can create as many RSS rings as there are EQs. */ |
2198 | adapter->num_rx_qs = adapter->num_evt_qs; | |
2199 | ||
2200 | /* We'll use RSS only if atleast 2 RSS rings are supported. | |
2201 | * When RSS is used, we'll need a default RXQ for non-IP traffic. | |
10ef9ab4 | 2202 | */ |
92bf14ab SP |
2203 | if (adapter->num_rx_qs > 1) |
2204 | adapter->num_rx_qs++; | |
2205 | ||
6b7c5b94 | 2206 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
3abcdeda SP |
2207 | for_all_rx_queues(adapter, rxo, i) { |
2208 | rxo->adapter = adapter; | |
3abcdeda SP |
2209 | cq = &rxo->cq; |
2210 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, | |
2211 | sizeof(struct be_eth_rx_compl)); | |
2212 | if (rc) | |
10ef9ab4 | 2213 | return rc; |
3abcdeda | 2214 | |
827da44c | 2215 | u64_stats_init(&rxo->stats.sync); |
10ef9ab4 SP |
2216 | eq = &adapter->eq_obj[i % adapter->num_evt_qs].q; |
2217 | rc = be_cmd_cq_create(adapter, cq, eq, false, 3); | |
3abcdeda | 2218 | if (rc) |
10ef9ab4 | 2219 | return rc; |
3abcdeda | 2220 | } |
6b7c5b94 | 2221 | |
d379142b SP |
2222 | dev_info(&adapter->pdev->dev, |
2223 | "created %d RSS queue(s) and 1 default RX queue\n", | |
2224 | adapter->num_rx_qs - 1); | |
10ef9ab4 | 2225 | return 0; |
b628bde2 SP |
2226 | } |
2227 | ||
6b7c5b94 SP |
2228 | static irqreturn_t be_intx(int irq, void *dev) |
2229 | { | |
e49cc34f SP |
2230 | struct be_eq_obj *eqo = dev; |
2231 | struct be_adapter *adapter = eqo->adapter; | |
2232 | int num_evts = 0; | |
6b7c5b94 | 2233 | |
d0b9cec3 SP |
2234 | /* IRQ is not expected when NAPI is scheduled as the EQ |
2235 | * will not be armed. | |
2236 | * But, this can happen on Lancer INTx where it takes | |
2237 | * a while to de-assert INTx or in BE2 where occasionaly | |
2238 | * an interrupt may be raised even when EQ is unarmed. | |
2239 | * If NAPI is already scheduled, then counting & notifying | |
2240 | * events will orphan them. | |
e49cc34f | 2241 | */ |
d0b9cec3 | 2242 | if (napi_schedule_prep(&eqo->napi)) { |
e49cc34f | 2243 | num_evts = events_get(eqo); |
d0b9cec3 SP |
2244 | __napi_schedule(&eqo->napi); |
2245 | if (num_evts) | |
2246 | eqo->spurious_intr = 0; | |
2247 | } | |
2248 | be_eq_notify(adapter, eqo->q.id, false, true, num_evts); | |
e49cc34f | 2249 | |
d0b9cec3 SP |
2250 | /* Return IRQ_HANDLED only for the the first spurious intr |
2251 | * after a valid intr to stop the kernel from branding | |
2252 | * this irq as a bad one! | |
e49cc34f | 2253 | */ |
d0b9cec3 SP |
2254 | if (num_evts || eqo->spurious_intr++ == 0) |
2255 | return IRQ_HANDLED; | |
2256 | else | |
2257 | return IRQ_NONE; | |
6b7c5b94 SP |
2258 | } |
2259 | ||
10ef9ab4 | 2260 | static irqreturn_t be_msix(int irq, void *dev) |
6b7c5b94 | 2261 | { |
10ef9ab4 | 2262 | struct be_eq_obj *eqo = dev; |
6b7c5b94 | 2263 | |
0b545a62 SP |
2264 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); |
2265 | napi_schedule(&eqo->napi); | |
6b7c5b94 SP |
2266 | return IRQ_HANDLED; |
2267 | } | |
2268 | ||
2e588f84 | 2269 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
6b7c5b94 | 2270 | { |
e38b1706 | 2271 | return (rxcp->tcpf && !rxcp->err && rxcp->l4_csum) ? true : false; |
6b7c5b94 SP |
2272 | } |
2273 | ||
10ef9ab4 | 2274 | static int be_process_rx(struct be_rx_obj *rxo, struct napi_struct *napi, |
6384a4d0 | 2275 | int budget, int polling) |
6b7c5b94 | 2276 | { |
3abcdeda SP |
2277 | struct be_adapter *adapter = rxo->adapter; |
2278 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 2279 | struct be_rx_compl_info *rxcp; |
6b7c5b94 SP |
2280 | u32 work_done; |
2281 | ||
2282 | for (work_done = 0; work_done < budget; work_done++) { | |
3abcdeda | 2283 | rxcp = be_rx_compl_get(rxo); |
6b7c5b94 SP |
2284 | if (!rxcp) |
2285 | break; | |
2286 | ||
12004ae9 SP |
2287 | /* Is it a flush compl that has no data */ |
2288 | if (unlikely(rxcp->num_rcvd == 0)) | |
2289 | goto loop_continue; | |
2290 | ||
2291 | /* Discard compl with partial DMA Lancer B0 */ | |
2292 | if (unlikely(!rxcp->pkt_size)) { | |
10ef9ab4 | 2293 | be_rx_compl_discard(rxo, rxcp); |
12004ae9 SP |
2294 | goto loop_continue; |
2295 | } | |
2296 | ||
2297 | /* On BE drop pkts that arrive due to imperfect filtering in | |
2298 | * promiscuous mode on some skews | |
2299 | */ | |
2300 | if (unlikely(rxcp->port != adapter->port_num && | |
2301 | !lancer_chip(adapter))) { | |
10ef9ab4 | 2302 | be_rx_compl_discard(rxo, rxcp); |
12004ae9 | 2303 | goto loop_continue; |
64642811 | 2304 | } |
009dd872 | 2305 | |
6384a4d0 SP |
2306 | /* Don't do gro when we're busy_polling */ |
2307 | if (do_gro(rxcp) && polling != BUSY_POLLING) | |
10ef9ab4 | 2308 | be_rx_compl_process_gro(rxo, napi, rxcp); |
12004ae9 | 2309 | else |
6384a4d0 SP |
2310 | be_rx_compl_process(rxo, napi, rxcp); |
2311 | ||
12004ae9 | 2312 | loop_continue: |
2e588f84 | 2313 | be_rx_stats_update(rxo, rxcp); |
6b7c5b94 SP |
2314 | } |
2315 | ||
10ef9ab4 SP |
2316 | if (work_done) { |
2317 | be_cq_notify(adapter, rx_cq->id, true, work_done); | |
9372cacb | 2318 | |
6384a4d0 SP |
2319 | /* When an rx-obj gets into post_starved state, just |
2320 | * let be_worker do the posting. | |
2321 | */ | |
2322 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM && | |
2323 | !rxo->rx_post_starved) | |
10ef9ab4 | 2324 | be_post_rx_frags(rxo, GFP_ATOMIC); |
6b7c5b94 | 2325 | } |
10ef9ab4 | 2326 | |
6b7c5b94 SP |
2327 | return work_done; |
2328 | } | |
2329 | ||
10ef9ab4 SP |
2330 | static bool be_process_tx(struct be_adapter *adapter, struct be_tx_obj *txo, |
2331 | int budget, int idx) | |
6b7c5b94 | 2332 | { |
6b7c5b94 | 2333 | struct be_eth_tx_compl *txcp; |
10ef9ab4 | 2334 | int num_wrbs = 0, work_done; |
3c8def97 | 2335 | |
10ef9ab4 SP |
2336 | for (work_done = 0; work_done < budget; work_done++) { |
2337 | txcp = be_tx_compl_get(&txo->cq); | |
2338 | if (!txcp) | |
2339 | break; | |
2340 | num_wrbs += be_tx_compl_process(adapter, txo, | |
3c8def97 SP |
2341 | AMAP_GET_BITS(struct amap_eth_tx_compl, |
2342 | wrb_index, txcp)); | |
10ef9ab4 | 2343 | } |
6b7c5b94 | 2344 | |
10ef9ab4 SP |
2345 | if (work_done) { |
2346 | be_cq_notify(adapter, txo->cq.id, true, work_done); | |
2347 | atomic_sub(num_wrbs, &txo->q.used); | |
3c8def97 | 2348 | |
10ef9ab4 SP |
2349 | /* As Tx wrbs have been freed up, wake up netdev queue |
2350 | * if it was stopped due to lack of tx wrbs. */ | |
2351 | if (__netif_subqueue_stopped(adapter->netdev, idx) && | |
2352 | atomic_read(&txo->q.used) < txo->q.len / 2) { | |
2353 | netif_wake_subqueue(adapter->netdev, idx); | |
3c8def97 | 2354 | } |
10ef9ab4 SP |
2355 | |
2356 | u64_stats_update_begin(&tx_stats(txo)->sync_compl); | |
2357 | tx_stats(txo)->tx_compl += work_done; | |
2358 | u64_stats_update_end(&tx_stats(txo)->sync_compl); | |
6b7c5b94 | 2359 | } |
10ef9ab4 SP |
2360 | return (work_done < budget); /* Done */ |
2361 | } | |
6b7c5b94 | 2362 | |
68d7bdcb | 2363 | int be_poll(struct napi_struct *napi, int budget) |
10ef9ab4 SP |
2364 | { |
2365 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); | |
2366 | struct be_adapter *adapter = eqo->adapter; | |
0b545a62 | 2367 | int max_work = 0, work, i, num_evts; |
6384a4d0 | 2368 | struct be_rx_obj *rxo; |
10ef9ab4 | 2369 | bool tx_done; |
f31e50a8 | 2370 | |
0b545a62 SP |
2371 | num_evts = events_get(eqo); |
2372 | ||
10ef9ab4 SP |
2373 | /* Process all TXQs serviced by this EQ */ |
2374 | for (i = eqo->idx; i < adapter->num_tx_qs; i += adapter->num_evt_qs) { | |
2375 | tx_done = be_process_tx(adapter, &adapter->tx_obj[i], | |
2376 | eqo->tx_budget, i); | |
2377 | if (!tx_done) | |
2378 | max_work = budget; | |
f31e50a8 SP |
2379 | } |
2380 | ||
6384a4d0 SP |
2381 | if (be_lock_napi(eqo)) { |
2382 | /* This loop will iterate twice for EQ0 in which | |
2383 | * completions of the last RXQ (default one) are also processed | |
2384 | * For other EQs the loop iterates only once | |
2385 | */ | |
2386 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { | |
2387 | work = be_process_rx(rxo, napi, budget, NAPI_POLLING); | |
2388 | max_work = max(work, max_work); | |
2389 | } | |
2390 | be_unlock_napi(eqo); | |
2391 | } else { | |
2392 | max_work = budget; | |
10ef9ab4 | 2393 | } |
6b7c5b94 | 2394 | |
10ef9ab4 SP |
2395 | if (is_mcc_eqo(eqo)) |
2396 | be_process_mcc(adapter); | |
93c86700 | 2397 | |
10ef9ab4 SP |
2398 | if (max_work < budget) { |
2399 | napi_complete(napi); | |
0b545a62 | 2400 | be_eq_notify(adapter, eqo->q.id, true, false, num_evts); |
10ef9ab4 SP |
2401 | } else { |
2402 | /* As we'll continue in polling mode, count and clear events */ | |
0b545a62 | 2403 | be_eq_notify(adapter, eqo->q.id, false, false, num_evts); |
93c86700 | 2404 | } |
10ef9ab4 | 2405 | return max_work; |
6b7c5b94 SP |
2406 | } |
2407 | ||
6384a4d0 SP |
2408 | #ifdef CONFIG_NET_RX_BUSY_POLL |
2409 | static int be_busy_poll(struct napi_struct *napi) | |
2410 | { | |
2411 | struct be_eq_obj *eqo = container_of(napi, struct be_eq_obj, napi); | |
2412 | struct be_adapter *adapter = eqo->adapter; | |
2413 | struct be_rx_obj *rxo; | |
2414 | int i, work = 0; | |
2415 | ||
2416 | if (!be_lock_busy_poll(eqo)) | |
2417 | return LL_FLUSH_BUSY; | |
2418 | ||
2419 | for_all_rx_queues_on_eq(adapter, eqo, rxo, i) { | |
2420 | work = be_process_rx(rxo, napi, 4, BUSY_POLLING); | |
2421 | if (work) | |
2422 | break; | |
2423 | } | |
2424 | ||
2425 | be_unlock_busy_poll(eqo); | |
2426 | return work; | |
2427 | } | |
2428 | #endif | |
2429 | ||
f67ef7ba | 2430 | void be_detect_error(struct be_adapter *adapter) |
7c185276 | 2431 | { |
e1cfb67a PR |
2432 | u32 ue_lo = 0, ue_hi = 0, ue_lo_mask = 0, ue_hi_mask = 0; |
2433 | u32 sliport_status = 0, sliport_err1 = 0, sliport_err2 = 0; | |
7c185276 AK |
2434 | u32 i; |
2435 | ||
d23e946c | 2436 | if (be_hw_error(adapter)) |
72f02485 SP |
2437 | return; |
2438 | ||
e1cfb67a PR |
2439 | if (lancer_chip(adapter)) { |
2440 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | |
2441 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { | |
2442 | sliport_err1 = ioread32(adapter->db + | |
2443 | SLIPORT_ERROR1_OFFSET); | |
2444 | sliport_err2 = ioread32(adapter->db + | |
2445 | SLIPORT_ERROR2_OFFSET); | |
2446 | } | |
2447 | } else { | |
2448 | pci_read_config_dword(adapter->pdev, | |
2449 | PCICFG_UE_STATUS_LOW, &ue_lo); | |
2450 | pci_read_config_dword(adapter->pdev, | |
2451 | PCICFG_UE_STATUS_HIGH, &ue_hi); | |
2452 | pci_read_config_dword(adapter->pdev, | |
2453 | PCICFG_UE_STATUS_LOW_MASK, &ue_lo_mask); | |
2454 | pci_read_config_dword(adapter->pdev, | |
2455 | PCICFG_UE_STATUS_HI_MASK, &ue_hi_mask); | |
2456 | ||
f67ef7ba PR |
2457 | ue_lo = (ue_lo & ~ue_lo_mask); |
2458 | ue_hi = (ue_hi & ~ue_hi_mask); | |
e1cfb67a | 2459 | } |
7c185276 | 2460 | |
1451ae6e AK |
2461 | /* On certain platforms BE hardware can indicate spurious UEs. |
2462 | * Allow the h/w to stop working completely in case of a real UE. | |
2463 | * Hence not setting the hw_error for UE detection. | |
2464 | */ | |
2465 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { | |
f67ef7ba | 2466 | adapter->hw_error = true; |
434b3648 | 2467 | dev_err(&adapter->pdev->dev, |
f67ef7ba PR |
2468 | "Error detected in the card\n"); |
2469 | } | |
2470 | ||
2471 | if (sliport_status & SLIPORT_STATUS_ERR_MASK) { | |
2472 | dev_err(&adapter->pdev->dev, | |
2473 | "ERR: sliport status 0x%x\n", sliport_status); | |
2474 | dev_err(&adapter->pdev->dev, | |
2475 | "ERR: sliport error1 0x%x\n", sliport_err1); | |
2476 | dev_err(&adapter->pdev->dev, | |
2477 | "ERR: sliport error2 0x%x\n", sliport_err2); | |
d053de91 AK |
2478 | } |
2479 | ||
e1cfb67a PR |
2480 | if (ue_lo) { |
2481 | for (i = 0; ue_lo; ue_lo >>= 1, i++) { | |
2482 | if (ue_lo & 1) | |
7c185276 AK |
2483 | dev_err(&adapter->pdev->dev, |
2484 | "UE: %s bit set\n", ue_status_low_desc[i]); | |
2485 | } | |
2486 | } | |
f67ef7ba | 2487 | |
e1cfb67a PR |
2488 | if (ue_hi) { |
2489 | for (i = 0; ue_hi; ue_hi >>= 1, i++) { | |
2490 | if (ue_hi & 1) | |
7c185276 AK |
2491 | dev_err(&adapter->pdev->dev, |
2492 | "UE: %s bit set\n", ue_status_hi_desc[i]); | |
2493 | } | |
2494 | } | |
2495 | ||
2496 | } | |
2497 | ||
8d56ff11 SP |
2498 | static void be_msix_disable(struct be_adapter *adapter) |
2499 | { | |
ac6a0c4a | 2500 | if (msix_enabled(adapter)) { |
8d56ff11 | 2501 | pci_disable_msix(adapter->pdev); |
ac6a0c4a | 2502 | adapter->num_msix_vec = 0; |
68d7bdcb | 2503 | adapter->num_msix_roce_vec = 0; |
3abcdeda SP |
2504 | } |
2505 | } | |
2506 | ||
c2bba3df | 2507 | static int be_msix_enable(struct be_adapter *adapter) |
6b7c5b94 | 2508 | { |
92bf14ab | 2509 | int i, status, num_vec; |
d379142b | 2510 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 | 2511 | |
92bf14ab SP |
2512 | /* If RoCE is supported, program the max number of NIC vectors that |
2513 | * may be configured via set-channels, along with vectors needed for | |
2514 | * RoCe. Else, just program the number we'll use initially. | |
2515 | */ | |
2516 | if (be_roce_supported(adapter)) | |
2517 | num_vec = min_t(int, 2 * be_max_eqs(adapter), | |
2518 | 2 * num_online_cpus()); | |
2519 | else | |
2520 | num_vec = adapter->cfg_num_qs; | |
3abcdeda | 2521 | |
ac6a0c4a | 2522 | for (i = 0; i < num_vec; i++) |
6b7c5b94 SP |
2523 | adapter->msix_entries[i].entry = i; |
2524 | ||
ac6a0c4a | 2525 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec); |
3abcdeda SP |
2526 | if (status == 0) { |
2527 | goto done; | |
92bf14ab | 2528 | } else if (status >= MIN_MSIX_VECTORS) { |
ac6a0c4a | 2529 | num_vec = status; |
c2bba3df SK |
2530 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, |
2531 | num_vec); | |
2532 | if (!status) | |
3abcdeda | 2533 | goto done; |
3abcdeda | 2534 | } |
d379142b SP |
2535 | |
2536 | dev_warn(dev, "MSIx enable failed\n"); | |
92bf14ab | 2537 | |
c2bba3df SK |
2538 | /* INTx is not supported in VFs, so fail probe if enable_msix fails */ |
2539 | if (!be_physfn(adapter)) | |
2540 | return status; | |
2541 | return 0; | |
3abcdeda | 2542 | done: |
92bf14ab SP |
2543 | if (be_roce_supported(adapter) && num_vec > MIN_MSIX_VECTORS) { |
2544 | adapter->num_msix_roce_vec = num_vec / 2; | |
2545 | dev_info(dev, "enabled %d MSI-x vector(s) for RoCE\n", | |
2546 | adapter->num_msix_roce_vec); | |
2547 | } | |
2548 | ||
2549 | adapter->num_msix_vec = num_vec - adapter->num_msix_roce_vec; | |
2550 | ||
2551 | dev_info(dev, "enabled %d MSI-x vector(s) for NIC\n", | |
2552 | adapter->num_msix_vec); | |
c2bba3df | 2553 | return 0; |
6b7c5b94 SP |
2554 | } |
2555 | ||
fe6d2a38 | 2556 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
10ef9ab4 | 2557 | struct be_eq_obj *eqo) |
b628bde2 | 2558 | { |
f2f781a7 | 2559 | return adapter->msix_entries[eqo->msix_idx].vector; |
b628bde2 | 2560 | } |
6b7c5b94 | 2561 | |
b628bde2 SP |
2562 | static int be_msix_register(struct be_adapter *adapter) |
2563 | { | |
10ef9ab4 SP |
2564 | struct net_device *netdev = adapter->netdev; |
2565 | struct be_eq_obj *eqo; | |
2566 | int status, i, vec; | |
6b7c5b94 | 2567 | |
10ef9ab4 SP |
2568 | for_all_evt_queues(adapter, eqo, i) { |
2569 | sprintf(eqo->desc, "%s-q%d", netdev->name, i); | |
2570 | vec = be_msix_vec_get(adapter, eqo); | |
2571 | status = request_irq(vec, be_msix, 0, eqo->desc, eqo); | |
3abcdeda SP |
2572 | if (status) |
2573 | goto err_msix; | |
2574 | } | |
b628bde2 | 2575 | |
6b7c5b94 | 2576 | return 0; |
3abcdeda | 2577 | err_msix: |
10ef9ab4 SP |
2578 | for (i--, eqo = &adapter->eq_obj[i]; i >= 0; i--, eqo--) |
2579 | free_irq(be_msix_vec_get(adapter, eqo), eqo); | |
2580 | dev_warn(&adapter->pdev->dev, "MSIX Request IRQ failed - err %d\n", | |
2581 | status); | |
ac6a0c4a | 2582 | be_msix_disable(adapter); |
6b7c5b94 SP |
2583 | return status; |
2584 | } | |
2585 | ||
2586 | static int be_irq_register(struct be_adapter *adapter) | |
2587 | { | |
2588 | struct net_device *netdev = adapter->netdev; | |
2589 | int status; | |
2590 | ||
ac6a0c4a | 2591 | if (msix_enabled(adapter)) { |
6b7c5b94 SP |
2592 | status = be_msix_register(adapter); |
2593 | if (status == 0) | |
2594 | goto done; | |
ba343c77 SB |
2595 | /* INTx is not supported for VF */ |
2596 | if (!be_physfn(adapter)) | |
2597 | return status; | |
6b7c5b94 SP |
2598 | } |
2599 | ||
e49cc34f | 2600 | /* INTx: only the first EQ is used */ |
6b7c5b94 SP |
2601 | netdev->irq = adapter->pdev->irq; |
2602 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, | |
e49cc34f | 2603 | &adapter->eq_obj[0]); |
6b7c5b94 SP |
2604 | if (status) { |
2605 | dev_err(&adapter->pdev->dev, | |
2606 | "INTx request IRQ failed - err %d\n", status); | |
2607 | return status; | |
2608 | } | |
2609 | done: | |
2610 | adapter->isr_registered = true; | |
2611 | return 0; | |
2612 | } | |
2613 | ||
2614 | static void be_irq_unregister(struct be_adapter *adapter) | |
2615 | { | |
2616 | struct net_device *netdev = adapter->netdev; | |
10ef9ab4 | 2617 | struct be_eq_obj *eqo; |
3abcdeda | 2618 | int i; |
6b7c5b94 SP |
2619 | |
2620 | if (!adapter->isr_registered) | |
2621 | return; | |
2622 | ||
2623 | /* INTx */ | |
ac6a0c4a | 2624 | if (!msix_enabled(adapter)) { |
e49cc34f | 2625 | free_irq(netdev->irq, &adapter->eq_obj[0]); |
6b7c5b94 SP |
2626 | goto done; |
2627 | } | |
2628 | ||
2629 | /* MSIx */ | |
10ef9ab4 SP |
2630 | for_all_evt_queues(adapter, eqo, i) |
2631 | free_irq(be_msix_vec_get(adapter, eqo), eqo); | |
3abcdeda | 2632 | |
6b7c5b94 SP |
2633 | done: |
2634 | adapter->isr_registered = false; | |
6b7c5b94 SP |
2635 | } |
2636 | ||
10ef9ab4 | 2637 | static void be_rx_qs_destroy(struct be_adapter *adapter) |
482c9e79 SP |
2638 | { |
2639 | struct be_queue_info *q; | |
2640 | struct be_rx_obj *rxo; | |
2641 | int i; | |
2642 | ||
2643 | for_all_rx_queues(adapter, rxo, i) { | |
2644 | q = &rxo->q; | |
2645 | if (q->created) { | |
2646 | be_cmd_rxq_destroy(adapter, q); | |
10ef9ab4 | 2647 | be_rx_cq_clean(rxo); |
482c9e79 | 2648 | } |
10ef9ab4 | 2649 | be_queue_free(adapter, q); |
482c9e79 SP |
2650 | } |
2651 | } | |
2652 | ||
889cd4b2 SP |
2653 | static int be_close(struct net_device *netdev) |
2654 | { | |
2655 | struct be_adapter *adapter = netdev_priv(netdev); | |
10ef9ab4 SP |
2656 | struct be_eq_obj *eqo; |
2657 | int i; | |
889cd4b2 | 2658 | |
045508a8 PP |
2659 | be_roce_dev_close(adapter); |
2660 | ||
dff345c5 IV |
2661 | if (adapter->flags & BE_FLAGS_NAPI_ENABLED) { |
2662 | for_all_evt_queues(adapter, eqo, i) { | |
04d3d624 | 2663 | napi_disable(&eqo->napi); |
6384a4d0 SP |
2664 | be_disable_busy_poll(eqo); |
2665 | } | |
71237b6f | 2666 | adapter->flags &= ~BE_FLAGS_NAPI_ENABLED; |
04d3d624 | 2667 | } |
a323d9bf SP |
2668 | |
2669 | be_async_mcc_disable(adapter); | |
2670 | ||
2671 | /* Wait for all pending tx completions to arrive so that | |
2672 | * all tx skbs are freed. | |
2673 | */ | |
fba87559 | 2674 | netif_tx_disable(netdev); |
6e1f9975 | 2675 | be_tx_compl_clean(adapter); |
a323d9bf SP |
2676 | |
2677 | be_rx_qs_destroy(adapter); | |
2678 | ||
d11a347d AK |
2679 | for (i = 1; i < (adapter->uc_macs + 1); i++) |
2680 | be_cmd_pmac_del(adapter, adapter->if_handle, | |
2681 | adapter->pmac_id[i], 0); | |
2682 | adapter->uc_macs = 0; | |
2683 | ||
a323d9bf | 2684 | for_all_evt_queues(adapter, eqo, i) { |
10ef9ab4 SP |
2685 | if (msix_enabled(adapter)) |
2686 | synchronize_irq(be_msix_vec_get(adapter, eqo)); | |
2687 | else | |
2688 | synchronize_irq(netdev->irq); | |
2689 | be_eq_clean(eqo); | |
63fcb27f PR |
2690 | } |
2691 | ||
889cd4b2 SP |
2692 | be_irq_unregister(adapter); |
2693 | ||
482c9e79 SP |
2694 | return 0; |
2695 | } | |
2696 | ||
10ef9ab4 | 2697 | static int be_rx_qs_create(struct be_adapter *adapter) |
482c9e79 SP |
2698 | { |
2699 | struct be_rx_obj *rxo; | |
e9008ee9 PR |
2700 | int rc, i, j; |
2701 | u8 rsstable[128]; | |
482c9e79 SP |
2702 | |
2703 | for_all_rx_queues(adapter, rxo, i) { | |
10ef9ab4 SP |
2704 | rc = be_queue_alloc(adapter, &rxo->q, RX_Q_LEN, |
2705 | sizeof(struct be_eth_rx_d)); | |
2706 | if (rc) | |
2707 | return rc; | |
2708 | } | |
2709 | ||
2710 | /* The FW would like the default RXQ to be created first */ | |
2711 | rxo = default_rxo(adapter); | |
2712 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, rx_frag_size, | |
2713 | adapter->if_handle, false, &rxo->rss_id); | |
2714 | if (rc) | |
2715 | return rc; | |
2716 | ||
2717 | for_all_rss_queues(adapter, rxo, i) { | |
482c9e79 | 2718 | rc = be_cmd_rxq_create(adapter, &rxo->q, rxo->cq.id, |
10ef9ab4 SP |
2719 | rx_frag_size, adapter->if_handle, |
2720 | true, &rxo->rss_id); | |
482c9e79 SP |
2721 | if (rc) |
2722 | return rc; | |
2723 | } | |
2724 | ||
2725 | if (be_multi_rxq(adapter)) { | |
e9008ee9 PR |
2726 | for (j = 0; j < 128; j += adapter->num_rx_qs - 1) { |
2727 | for_all_rss_queues(adapter, rxo, i) { | |
2728 | if ((j + i) >= 128) | |
2729 | break; | |
2730 | rsstable[j + i] = rxo->rss_id; | |
2731 | } | |
2732 | } | |
594ad54a SR |
2733 | adapter->rss_flags = RSS_ENABLE_TCP_IPV4 | RSS_ENABLE_IPV4 | |
2734 | RSS_ENABLE_TCP_IPV6 | RSS_ENABLE_IPV6; | |
2735 | ||
2736 | if (!BEx_chip(adapter)) | |
2737 | adapter->rss_flags |= RSS_ENABLE_UDP_IPV4 | | |
2738 | RSS_ENABLE_UDP_IPV6; | |
2739 | ||
2740 | rc = be_cmd_rss_config(adapter, rsstable, adapter->rss_flags, | |
2741 | 128); | |
2742 | if (rc) { | |
2743 | adapter->rss_flags = 0; | |
482c9e79 | 2744 | return rc; |
594ad54a | 2745 | } |
482c9e79 SP |
2746 | } |
2747 | ||
2748 | /* First time posting */ | |
10ef9ab4 | 2749 | for_all_rx_queues(adapter, rxo, i) |
482c9e79 | 2750 | be_post_rx_frags(rxo, GFP_KERNEL); |
889cd4b2 SP |
2751 | return 0; |
2752 | } | |
2753 | ||
6b7c5b94 SP |
2754 | static int be_open(struct net_device *netdev) |
2755 | { | |
2756 | struct be_adapter *adapter = netdev_priv(netdev); | |
10ef9ab4 | 2757 | struct be_eq_obj *eqo; |
3abcdeda | 2758 | struct be_rx_obj *rxo; |
10ef9ab4 | 2759 | struct be_tx_obj *txo; |
b236916a | 2760 | u8 link_status; |
3abcdeda | 2761 | int status, i; |
5fb379ee | 2762 | |
10ef9ab4 | 2763 | status = be_rx_qs_create(adapter); |
482c9e79 SP |
2764 | if (status) |
2765 | goto err; | |
2766 | ||
c2bba3df SK |
2767 | status = be_irq_register(adapter); |
2768 | if (status) | |
2769 | goto err; | |
5fb379ee | 2770 | |
10ef9ab4 | 2771 | for_all_rx_queues(adapter, rxo, i) |
3abcdeda | 2772 | be_cq_notify(adapter, rxo->cq.id, true, 0); |
5fb379ee | 2773 | |
10ef9ab4 SP |
2774 | for_all_tx_queues(adapter, txo, i) |
2775 | be_cq_notify(adapter, txo->cq.id, true, 0); | |
2776 | ||
7a1e9b20 SP |
2777 | be_async_mcc_enable(adapter); |
2778 | ||
10ef9ab4 SP |
2779 | for_all_evt_queues(adapter, eqo, i) { |
2780 | napi_enable(&eqo->napi); | |
6384a4d0 | 2781 | be_enable_busy_poll(eqo); |
10ef9ab4 SP |
2782 | be_eq_notify(adapter, eqo->q.id, true, false, 0); |
2783 | } | |
04d3d624 | 2784 | adapter->flags |= BE_FLAGS_NAPI_ENABLED; |
10ef9ab4 | 2785 | |
323ff71e | 2786 | status = be_cmd_link_status_query(adapter, NULL, &link_status, 0); |
b236916a AK |
2787 | if (!status) |
2788 | be_link_status_update(adapter, link_status); | |
2789 | ||
fba87559 | 2790 | netif_tx_start_all_queues(netdev); |
045508a8 | 2791 | be_roce_dev_open(adapter); |
889cd4b2 SP |
2792 | return 0; |
2793 | err: | |
2794 | be_close(adapter->netdev); | |
2795 | return -EIO; | |
5fb379ee SP |
2796 | } |
2797 | ||
71d8d1b5 AK |
2798 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
2799 | { | |
2800 | struct be_dma_mem cmd; | |
2801 | int status = 0; | |
2802 | u8 mac[ETH_ALEN]; | |
2803 | ||
2804 | memset(mac, 0, ETH_ALEN); | |
2805 | ||
2806 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); | |
ede23fa8 JP |
2807 | cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
2808 | GFP_KERNEL); | |
71d8d1b5 AK |
2809 | if (cmd.va == NULL) |
2810 | return -1; | |
71d8d1b5 AK |
2811 | |
2812 | if (enable) { | |
2813 | status = pci_write_config_dword(adapter->pdev, | |
2814 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); | |
2815 | if (status) { | |
2816 | dev_err(&adapter->pdev->dev, | |
2381a55c | 2817 | "Could not enable Wake-on-lan\n"); |
2b7bcebf IV |
2818 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
2819 | cmd.dma); | |
71d8d1b5 AK |
2820 | return status; |
2821 | } | |
2822 | status = be_cmd_enable_magic_wol(adapter, | |
2823 | adapter->netdev->dev_addr, &cmd); | |
2824 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); | |
2825 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); | |
2826 | } else { | |
2827 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); | |
2828 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); | |
2829 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); | |
2830 | } | |
2831 | ||
2b7bcebf | 2832 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
71d8d1b5 AK |
2833 | return status; |
2834 | } | |
2835 | ||
6d87f5c3 AK |
2836 | /* |
2837 | * Generate a seed MAC address from the PF MAC Address using jhash. | |
2838 | * MAC Address for VFs are assigned incrementally starting from the seed. | |
2839 | * These addresses are programmed in the ASIC by the PF and the VF driver | |
2840 | * queries for the MAC address during its probe. | |
2841 | */ | |
4c876616 | 2842 | static int be_vf_eth_addr_config(struct be_adapter *adapter) |
6d87f5c3 | 2843 | { |
f9449ab7 | 2844 | u32 vf; |
3abcdeda | 2845 | int status = 0; |
6d87f5c3 | 2846 | u8 mac[ETH_ALEN]; |
11ac75ed | 2847 | struct be_vf_cfg *vf_cfg; |
6d87f5c3 AK |
2848 | |
2849 | be_vf_eth_addr_generate(adapter, mac); | |
2850 | ||
11ac75ed | 2851 | for_all_vfs(adapter, vf_cfg, vf) { |
3175d8c2 | 2852 | if (BEx_chip(adapter)) |
590c391d | 2853 | status = be_cmd_pmac_add(adapter, mac, |
11ac75ed SP |
2854 | vf_cfg->if_handle, |
2855 | &vf_cfg->pmac_id, vf + 1); | |
3175d8c2 SP |
2856 | else |
2857 | status = be_cmd_set_mac(adapter, mac, vf_cfg->if_handle, | |
2858 | vf + 1); | |
590c391d | 2859 | |
6d87f5c3 AK |
2860 | if (status) |
2861 | dev_err(&adapter->pdev->dev, | |
590c391d | 2862 | "Mac address assignment failed for VF %d\n", vf); |
6d87f5c3 | 2863 | else |
11ac75ed | 2864 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); |
6d87f5c3 AK |
2865 | |
2866 | mac[5] += 1; | |
2867 | } | |
2868 | return status; | |
2869 | } | |
2870 | ||
4c876616 SP |
2871 | static int be_vfs_mac_query(struct be_adapter *adapter) |
2872 | { | |
2873 | int status, vf; | |
2874 | u8 mac[ETH_ALEN]; | |
2875 | struct be_vf_cfg *vf_cfg; | |
95046b92 | 2876 | bool active = false; |
4c876616 SP |
2877 | |
2878 | for_all_vfs(adapter, vf_cfg, vf) { | |
2879 | be_cmd_get_mac_from_list(adapter, mac, &active, | |
2880 | &vf_cfg->pmac_id, 0); | |
2881 | ||
2882 | status = be_cmd_mac_addr_query(adapter, mac, false, | |
2883 | vf_cfg->if_handle, 0); | |
2884 | if (status) | |
2885 | return status; | |
2886 | memcpy(vf_cfg->mac_addr, mac, ETH_ALEN); | |
2887 | } | |
2888 | return 0; | |
2889 | } | |
2890 | ||
f9449ab7 | 2891 | static void be_vf_clear(struct be_adapter *adapter) |
6d87f5c3 | 2892 | { |
11ac75ed | 2893 | struct be_vf_cfg *vf_cfg; |
6d87f5c3 AK |
2894 | u32 vf; |
2895 | ||
257a3feb | 2896 | if (pci_vfs_assigned(adapter->pdev)) { |
4c876616 SP |
2897 | dev_warn(&adapter->pdev->dev, |
2898 | "VFs are assigned to VMs: not disabling VFs\n"); | |
39f1d94d SP |
2899 | goto done; |
2900 | } | |
2901 | ||
b4c1df93 SP |
2902 | pci_disable_sriov(adapter->pdev); |
2903 | ||
11ac75ed | 2904 | for_all_vfs(adapter, vf_cfg, vf) { |
3175d8c2 | 2905 | if (BEx_chip(adapter)) |
11ac75ed SP |
2906 | be_cmd_pmac_del(adapter, vf_cfg->if_handle, |
2907 | vf_cfg->pmac_id, vf + 1); | |
3175d8c2 SP |
2908 | else |
2909 | be_cmd_set_mac(adapter, NULL, vf_cfg->if_handle, | |
2910 | vf + 1); | |
f9449ab7 | 2911 | |
11ac75ed SP |
2912 | be_cmd_if_destroy(adapter, vf_cfg->if_handle, vf + 1); |
2913 | } | |
39f1d94d SP |
2914 | done: |
2915 | kfree(adapter->vf_cfg); | |
2916 | adapter->num_vfs = 0; | |
6d87f5c3 AK |
2917 | } |
2918 | ||
7707133c SP |
2919 | static void be_clear_queues(struct be_adapter *adapter) |
2920 | { | |
2921 | be_mcc_queues_destroy(adapter); | |
2922 | be_rx_cqs_destroy(adapter); | |
2923 | be_tx_queues_destroy(adapter); | |
2924 | be_evt_queues_destroy(adapter); | |
2925 | } | |
2926 | ||
68d7bdcb | 2927 | static void be_cancel_worker(struct be_adapter *adapter) |
a54769f5 | 2928 | { |
191eb756 SP |
2929 | if (adapter->flags & BE_FLAGS_WORKER_SCHEDULED) { |
2930 | cancel_delayed_work_sync(&adapter->work); | |
2931 | adapter->flags &= ~BE_FLAGS_WORKER_SCHEDULED; | |
2932 | } | |
68d7bdcb SP |
2933 | } |
2934 | ||
2935 | static int be_clear(struct be_adapter *adapter) | |
2936 | { | |
2937 | int i; | |
2938 | ||
2939 | be_cancel_worker(adapter); | |
191eb756 | 2940 | |
11ac75ed | 2941 | if (sriov_enabled(adapter)) |
f9449ab7 SP |
2942 | be_vf_clear(adapter); |
2943 | ||
2d17f403 SP |
2944 | /* delete the primary mac along with the uc-mac list */ |
2945 | for (i = 0; i < (adapter->uc_macs + 1); i++) | |
fbc13f01 | 2946 | be_cmd_pmac_del(adapter, adapter->if_handle, |
2d17f403 SP |
2947 | adapter->pmac_id[i], 0); |
2948 | adapter->uc_macs = 0; | |
fbc13f01 | 2949 | |
f9449ab7 | 2950 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
a54769f5 | 2951 | |
7707133c | 2952 | be_clear_queues(adapter); |
a54769f5 | 2953 | |
abb93951 PR |
2954 | kfree(adapter->pmac_id); |
2955 | adapter->pmac_id = NULL; | |
2956 | ||
10ef9ab4 | 2957 | be_msix_disable(adapter); |
a54769f5 SP |
2958 | return 0; |
2959 | } | |
2960 | ||
4c876616 | 2961 | static int be_vfs_if_create(struct be_adapter *adapter) |
abb93951 | 2962 | { |
92bf14ab | 2963 | struct be_resources res = {0}; |
4c876616 SP |
2964 | struct be_vf_cfg *vf_cfg; |
2965 | u32 cap_flags, en_flags, vf; | |
922bbe88 | 2966 | int status = 0; |
abb93951 | 2967 | |
4c876616 SP |
2968 | cap_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
2969 | BE_IF_FLAGS_MULTICAST; | |
abb93951 | 2970 | |
4c876616 | 2971 | for_all_vfs(adapter, vf_cfg, vf) { |
92bf14ab SP |
2972 | if (!BE3_chip(adapter)) { |
2973 | status = be_cmd_get_profile_config(adapter, &res, | |
2974 | vf + 1); | |
2975 | if (!status) | |
2976 | cap_flags = res.if_cap_flags; | |
2977 | } | |
4c876616 SP |
2978 | |
2979 | /* If a FW profile exists, then cap_flags are updated */ | |
2980 | en_flags = cap_flags & (BE_IF_FLAGS_UNTAGGED | | |
2981 | BE_IF_FLAGS_BROADCAST | BE_IF_FLAGS_MULTICAST); | |
2982 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | |
2983 | &vf_cfg->if_handle, vf + 1); | |
2984 | if (status) | |
2985 | goto err; | |
2986 | } | |
2987 | err: | |
2988 | return status; | |
abb93951 PR |
2989 | } |
2990 | ||
39f1d94d | 2991 | static int be_vf_setup_init(struct be_adapter *adapter) |
30128031 | 2992 | { |
11ac75ed | 2993 | struct be_vf_cfg *vf_cfg; |
30128031 SP |
2994 | int vf; |
2995 | ||
39f1d94d SP |
2996 | adapter->vf_cfg = kcalloc(adapter->num_vfs, sizeof(*vf_cfg), |
2997 | GFP_KERNEL); | |
2998 | if (!adapter->vf_cfg) | |
2999 | return -ENOMEM; | |
3000 | ||
11ac75ed SP |
3001 | for_all_vfs(adapter, vf_cfg, vf) { |
3002 | vf_cfg->if_handle = -1; | |
3003 | vf_cfg->pmac_id = -1; | |
30128031 | 3004 | } |
39f1d94d | 3005 | return 0; |
30128031 SP |
3006 | } |
3007 | ||
f9449ab7 SP |
3008 | static int be_vf_setup(struct be_adapter *adapter) |
3009 | { | |
11ac75ed | 3010 | struct be_vf_cfg *vf_cfg; |
f1f3ee1b | 3011 | u16 def_vlan, lnk_speed; |
4c876616 SP |
3012 | int status, old_vfs, vf; |
3013 | struct device *dev = &adapter->pdev->dev; | |
04a06028 | 3014 | u32 privileges; |
39f1d94d | 3015 | |
257a3feb | 3016 | old_vfs = pci_num_vf(adapter->pdev); |
4c876616 SP |
3017 | if (old_vfs) { |
3018 | dev_info(dev, "%d VFs are already enabled\n", old_vfs); | |
3019 | if (old_vfs != num_vfs) | |
3020 | dev_warn(dev, "Ignoring num_vfs=%d setting\n", num_vfs); | |
3021 | adapter->num_vfs = old_vfs; | |
39f1d94d | 3022 | } else { |
92bf14ab | 3023 | if (num_vfs > be_max_vfs(adapter)) |
4c876616 | 3024 | dev_info(dev, "Device supports %d VFs and not %d\n", |
92bf14ab SP |
3025 | be_max_vfs(adapter), num_vfs); |
3026 | adapter->num_vfs = min_t(u16, num_vfs, be_max_vfs(adapter)); | |
b4c1df93 | 3027 | if (!adapter->num_vfs) |
4c876616 | 3028 | return 0; |
39f1d94d SP |
3029 | } |
3030 | ||
3031 | status = be_vf_setup_init(adapter); | |
3032 | if (status) | |
3033 | goto err; | |
30128031 | 3034 | |
4c876616 SP |
3035 | if (old_vfs) { |
3036 | for_all_vfs(adapter, vf_cfg, vf) { | |
3037 | status = be_cmd_get_if_id(adapter, vf_cfg, vf); | |
3038 | if (status) | |
3039 | goto err; | |
3040 | } | |
3041 | } else { | |
3042 | status = be_vfs_if_create(adapter); | |
f9449ab7 SP |
3043 | if (status) |
3044 | goto err; | |
f9449ab7 SP |
3045 | } |
3046 | ||
4c876616 SP |
3047 | if (old_vfs) { |
3048 | status = be_vfs_mac_query(adapter); | |
3049 | if (status) | |
3050 | goto err; | |
3051 | } else { | |
39f1d94d SP |
3052 | status = be_vf_eth_addr_config(adapter); |
3053 | if (status) | |
3054 | goto err; | |
3055 | } | |
f9449ab7 | 3056 | |
11ac75ed | 3057 | for_all_vfs(adapter, vf_cfg, vf) { |
04a06028 SP |
3058 | /* Allow VFs to programs MAC/VLAN filters */ |
3059 | status = be_cmd_get_fn_privileges(adapter, &privileges, vf + 1); | |
3060 | if (!status && !(privileges & BE_PRIV_FILTMGMT)) { | |
3061 | status = be_cmd_set_fn_privileges(adapter, | |
3062 | privileges | | |
3063 | BE_PRIV_FILTMGMT, | |
3064 | vf + 1); | |
3065 | if (!status) | |
3066 | dev_info(dev, "VF%d has FILTMGMT privilege\n", | |
3067 | vf); | |
3068 | } | |
3069 | ||
4c876616 SP |
3070 | /* BE3 FW, by default, caps VF TX-rate to 100mbps. |
3071 | * Allow full available bandwidth | |
3072 | */ | |
3073 | if (BE3_chip(adapter) && !old_vfs) | |
3074 | be_cmd_set_qos(adapter, 1000, vf+1); | |
3075 | ||
3076 | status = be_cmd_link_status_query(adapter, &lnk_speed, | |
3077 | NULL, vf + 1); | |
3078 | if (!status) | |
3079 | vf_cfg->tx_rate = lnk_speed; | |
f1f3ee1b AK |
3080 | |
3081 | status = be_cmd_get_hsw_config(adapter, &def_vlan, | |
a77dcb8c | 3082 | vf + 1, vf_cfg->if_handle, NULL); |
f1f3ee1b AK |
3083 | if (status) |
3084 | goto err; | |
3085 | vf_cfg->def_vid = def_vlan; | |
dcf7ebba | 3086 | |
0599863d VV |
3087 | if (!old_vfs) |
3088 | be_cmd_enable_vf(adapter, vf + 1); | |
f9449ab7 | 3089 | } |
b4c1df93 SP |
3090 | |
3091 | if (!old_vfs) { | |
3092 | status = pci_enable_sriov(adapter->pdev, adapter->num_vfs); | |
3093 | if (status) { | |
3094 | dev_err(dev, "SRIOV enable failed\n"); | |
3095 | adapter->num_vfs = 0; | |
3096 | goto err; | |
3097 | } | |
3098 | } | |
f9449ab7 SP |
3099 | return 0; |
3100 | err: | |
4c876616 SP |
3101 | dev_err(dev, "VF setup failed\n"); |
3102 | be_vf_clear(adapter); | |
f9449ab7 SP |
3103 | return status; |
3104 | } | |
3105 | ||
92bf14ab SP |
3106 | /* On BE2/BE3 FW does not suggest the supported limits */ |
3107 | static void BEx_get_resources(struct be_adapter *adapter, | |
3108 | struct be_resources *res) | |
3109 | { | |
3110 | struct pci_dev *pdev = adapter->pdev; | |
3111 | bool use_sriov = false; | |
3112 | ||
b905b5d4 | 3113 | if (BE3_chip(adapter) && sriov_want(adapter)) { |
92bf14ab SP |
3114 | int max_vfs; |
3115 | ||
3116 | max_vfs = pci_sriov_get_totalvfs(pdev); | |
3117 | res->max_vfs = max_vfs > 0 ? min(MAX_VFS, max_vfs) : 0; | |
b905b5d4 | 3118 | use_sriov = res->max_vfs; |
92bf14ab SP |
3119 | } |
3120 | ||
3121 | if (be_physfn(adapter)) | |
3122 | res->max_uc_mac = BE_UC_PMAC_COUNT; | |
3123 | else | |
3124 | res->max_uc_mac = BE_VF_UC_PMAC_COUNT; | |
3125 | ||
3126 | if (adapter->function_mode & FLEX10_MODE) | |
3127 | res->max_vlans = BE_NUM_VLANS_SUPPORTED/8; | |
1aa9673c AK |
3128 | else if (adapter->function_mode & UMC_ENABLED) |
3129 | res->max_vlans = BE_UMC_NUM_VLANS_SUPPORTED; | |
92bf14ab SP |
3130 | else |
3131 | res->max_vlans = BE_NUM_VLANS_SUPPORTED; | |
3132 | res->max_mcast_mac = BE_MAX_MC; | |
3133 | ||
30f3fe45 | 3134 | /* For BE3 1Gb ports, F/W does not properly support multiple TXQs */ |
92bf14ab | 3135 | if (BE2_chip(adapter) || use_sriov || be_is_mc(adapter) || |
30f3fe45 | 3136 | !be_physfn(adapter) || (adapter->port_num > 1)) |
92bf14ab SP |
3137 | res->max_tx_qs = 1; |
3138 | else | |
3139 | res->max_tx_qs = BE3_MAX_TX_QS; | |
3140 | ||
3141 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && | |
3142 | !use_sriov && be_physfn(adapter)) | |
3143 | res->max_rss_qs = (adapter->be3_native) ? | |
3144 | BE3_MAX_RSS_QS : BE2_MAX_RSS_QS; | |
3145 | res->max_rx_qs = res->max_rss_qs + 1; | |
3146 | ||
68d7bdcb | 3147 | res->max_evt_qs = be_physfn(adapter) ? BE3_MAX_EVT_QS : 1; |
92bf14ab SP |
3148 | |
3149 | res->if_cap_flags = BE_IF_CAP_FLAGS_WANT; | |
3150 | if (!(adapter->function_caps & BE_FUNCTION_CAPS_RSS)) | |
3151 | res->if_cap_flags &= ~BE_IF_FLAGS_RSS; | |
3152 | } | |
3153 | ||
30128031 SP |
3154 | static void be_setup_init(struct be_adapter *adapter) |
3155 | { | |
3156 | adapter->vlan_prio_bmap = 0xff; | |
42f11cf2 | 3157 | adapter->phy.link_speed = -1; |
30128031 SP |
3158 | adapter->if_handle = -1; |
3159 | adapter->be3_native = false; | |
3160 | adapter->promiscuous = false; | |
f25b119c PR |
3161 | if (be_physfn(adapter)) |
3162 | adapter->cmd_privileges = MAX_PRIVILEGES; | |
3163 | else | |
3164 | adapter->cmd_privileges = MIN_PRIVILEGES; | |
30128031 SP |
3165 | } |
3166 | ||
92bf14ab | 3167 | static int be_get_resources(struct be_adapter *adapter) |
abb93951 | 3168 | { |
92bf14ab SP |
3169 | struct device *dev = &adapter->pdev->dev; |
3170 | struct be_resources res = {0}; | |
3171 | int status; | |
abb93951 | 3172 | |
92bf14ab SP |
3173 | if (BEx_chip(adapter)) { |
3174 | BEx_get_resources(adapter, &res); | |
3175 | adapter->res = res; | |
abb93951 PR |
3176 | } |
3177 | ||
92bf14ab SP |
3178 | /* For Lancer, SH etc read per-function resource limits from FW. |
3179 | * GET_FUNC_CONFIG returns per function guaranteed limits. | |
3180 | * GET_PROFILE_CONFIG returns PCI-E related limits PF-pool limits | |
3181 | */ | |
3182 | if (!BEx_chip(adapter)) { | |
3183 | status = be_cmd_get_func_config(adapter, &res); | |
3184 | if (status) | |
3185 | return status; | |
abb93951 | 3186 | |
92bf14ab SP |
3187 | /* If RoCE may be enabled stash away half the EQs for RoCE */ |
3188 | if (be_roce_supported(adapter)) | |
3189 | res.max_evt_qs /= 2; | |
3190 | adapter->res = res; | |
abb93951 | 3191 | |
92bf14ab SP |
3192 | if (be_physfn(adapter)) { |
3193 | status = be_cmd_get_profile_config(adapter, &res, 0); | |
3194 | if (status) | |
3195 | return status; | |
3196 | adapter->res.max_vfs = res.max_vfs; | |
3197 | } | |
abb93951 | 3198 | |
92bf14ab SP |
3199 | dev_info(dev, "Max: txqs %d, rxqs %d, rss %d, eqs %d, vfs %d\n", |
3200 | be_max_txqs(adapter), be_max_rxqs(adapter), | |
3201 | be_max_rss(adapter), be_max_eqs(adapter), | |
3202 | be_max_vfs(adapter)); | |
3203 | dev_info(dev, "Max: uc-macs %d, mc-macs %d, vlans %d\n", | |
3204 | be_max_uc(adapter), be_max_mc(adapter), | |
3205 | be_max_vlans(adapter)); | |
abb93951 | 3206 | } |
4c876616 | 3207 | |
92bf14ab | 3208 | return 0; |
abb93951 PR |
3209 | } |
3210 | ||
39f1d94d SP |
3211 | /* Routine to query per function resource limits */ |
3212 | static int be_get_config(struct be_adapter *adapter) | |
3213 | { | |
4c876616 | 3214 | int status; |
39f1d94d | 3215 | |
abb93951 PR |
3216 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
3217 | &adapter->function_mode, | |
0ad3157e VV |
3218 | &adapter->function_caps, |
3219 | &adapter->asic_rev); | |
abb93951 | 3220 | if (status) |
92bf14ab | 3221 | return status; |
abb93951 | 3222 | |
92bf14ab SP |
3223 | status = be_get_resources(adapter); |
3224 | if (status) | |
3225 | return status; | |
abb93951 PR |
3226 | |
3227 | /* primary mac needs 1 pmac entry */ | |
92bf14ab SP |
3228 | adapter->pmac_id = kcalloc(be_max_uc(adapter) + 1, sizeof(u32), |
3229 | GFP_KERNEL); | |
3230 | if (!adapter->pmac_id) | |
3231 | return -ENOMEM; | |
abb93951 | 3232 | |
92bf14ab SP |
3233 | /* Sanitize cfg_num_qs based on HW and platform limits */ |
3234 | adapter->cfg_num_qs = min(adapter->cfg_num_qs, be_max_qs(adapter)); | |
3235 | ||
3236 | return 0; | |
39f1d94d SP |
3237 | } |
3238 | ||
95046b92 SP |
3239 | static int be_mac_setup(struct be_adapter *adapter) |
3240 | { | |
3241 | u8 mac[ETH_ALEN]; | |
3242 | int status; | |
3243 | ||
3244 | if (is_zero_ether_addr(adapter->netdev->dev_addr)) { | |
3245 | status = be_cmd_get_perm_mac(adapter, mac); | |
3246 | if (status) | |
3247 | return status; | |
3248 | ||
3249 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
3250 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
3251 | } else { | |
3252 | /* Maybe the HW was reset; dev_addr must be re-programmed */ | |
3253 | memcpy(mac, adapter->netdev->dev_addr, ETH_ALEN); | |
3254 | } | |
3255 | ||
2c7a9dc1 AK |
3256 | /* For BE3-R VFs, the PF programs the initial MAC address */ |
3257 | if (!(BEx_chip(adapter) && be_virtfn(adapter))) | |
3258 | be_cmd_pmac_add(adapter, mac, adapter->if_handle, | |
3259 | &adapter->pmac_id[0], 0); | |
95046b92 SP |
3260 | return 0; |
3261 | } | |
3262 | ||
68d7bdcb SP |
3263 | static void be_schedule_worker(struct be_adapter *adapter) |
3264 | { | |
3265 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); | |
3266 | adapter->flags |= BE_FLAGS_WORKER_SCHEDULED; | |
3267 | } | |
3268 | ||
7707133c | 3269 | static int be_setup_queues(struct be_adapter *adapter) |
5fb379ee | 3270 | { |
68d7bdcb | 3271 | struct net_device *netdev = adapter->netdev; |
10ef9ab4 | 3272 | int status; |
ba343c77 | 3273 | |
7707133c | 3274 | status = be_evt_queues_create(adapter); |
abb93951 PR |
3275 | if (status) |
3276 | goto err; | |
73d540f2 | 3277 | |
7707133c | 3278 | status = be_tx_qs_create(adapter); |
c2bba3df SK |
3279 | if (status) |
3280 | goto err; | |
10ef9ab4 | 3281 | |
7707133c | 3282 | status = be_rx_cqs_create(adapter); |
10ef9ab4 | 3283 | if (status) |
a54769f5 | 3284 | goto err; |
6b7c5b94 | 3285 | |
7707133c | 3286 | status = be_mcc_queues_create(adapter); |
10ef9ab4 SP |
3287 | if (status) |
3288 | goto err; | |
3289 | ||
68d7bdcb SP |
3290 | status = netif_set_real_num_rx_queues(netdev, adapter->num_rx_qs); |
3291 | if (status) | |
3292 | goto err; | |
3293 | ||
3294 | status = netif_set_real_num_tx_queues(netdev, adapter->num_tx_qs); | |
3295 | if (status) | |
3296 | goto err; | |
3297 | ||
7707133c SP |
3298 | return 0; |
3299 | err: | |
3300 | dev_err(&adapter->pdev->dev, "queue_setup failed\n"); | |
3301 | return status; | |
3302 | } | |
3303 | ||
68d7bdcb SP |
3304 | int be_update_queues(struct be_adapter *adapter) |
3305 | { | |
3306 | struct net_device *netdev = adapter->netdev; | |
3307 | int status; | |
3308 | ||
3309 | if (netif_running(netdev)) | |
3310 | be_close(netdev); | |
3311 | ||
3312 | be_cancel_worker(adapter); | |
3313 | ||
3314 | /* If any vectors have been shared with RoCE we cannot re-program | |
3315 | * the MSIx table. | |
3316 | */ | |
3317 | if (!adapter->num_msix_roce_vec) | |
3318 | be_msix_disable(adapter); | |
3319 | ||
3320 | be_clear_queues(adapter); | |
3321 | ||
3322 | if (!msix_enabled(adapter)) { | |
3323 | status = be_msix_enable(adapter); | |
3324 | if (status) | |
3325 | return status; | |
3326 | } | |
3327 | ||
3328 | status = be_setup_queues(adapter); | |
3329 | if (status) | |
3330 | return status; | |
3331 | ||
3332 | be_schedule_worker(adapter); | |
3333 | ||
3334 | if (netif_running(netdev)) | |
3335 | status = be_open(netdev); | |
3336 | ||
3337 | return status; | |
3338 | } | |
3339 | ||
7707133c SP |
3340 | static int be_setup(struct be_adapter *adapter) |
3341 | { | |
3342 | struct device *dev = &adapter->pdev->dev; | |
3343 | u32 tx_fc, rx_fc, en_flags; | |
3344 | int status; | |
3345 | ||
3346 | be_setup_init(adapter); | |
3347 | ||
3348 | if (!lancer_chip(adapter)) | |
3349 | be_cmd_req_native_mode(adapter); | |
3350 | ||
3351 | status = be_get_config(adapter); | |
10ef9ab4 | 3352 | if (status) |
a54769f5 | 3353 | goto err; |
6b7c5b94 | 3354 | |
7707133c | 3355 | status = be_msix_enable(adapter); |
10ef9ab4 | 3356 | if (status) |
a54769f5 | 3357 | goto err; |
6b7c5b94 | 3358 | |
f9449ab7 | 3359 | en_flags = BE_IF_FLAGS_UNTAGGED | BE_IF_FLAGS_BROADCAST | |
7707133c | 3360 | BE_IF_FLAGS_MULTICAST | BE_IF_FLAGS_PASS_L3L4_ERRORS; |
abb93951 | 3361 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) |
f9449ab7 | 3362 | en_flags |= BE_IF_FLAGS_RSS; |
92bf14ab SP |
3363 | en_flags = en_flags & be_if_cap_flags(adapter); |
3364 | status = be_cmd_if_create(adapter, be_if_cap_flags(adapter), en_flags, | |
1578e777 | 3365 | &adapter->if_handle, 0); |
7707133c | 3366 | if (status) |
a54769f5 | 3367 | goto err; |
6b7c5b94 | 3368 | |
68d7bdcb SP |
3369 | /* Updating real_num_tx/rx_queues() requires rtnl_lock() */ |
3370 | rtnl_lock(); | |
7707133c | 3371 | status = be_setup_queues(adapter); |
68d7bdcb | 3372 | rtnl_unlock(); |
95046b92 | 3373 | if (status) |
1578e777 PR |
3374 | goto err; |
3375 | ||
7707133c SP |
3376 | be_cmd_get_fn_privileges(adapter, &adapter->cmd_privileges, 0); |
3377 | /* In UMC mode FW does not return right privileges. | |
3378 | * Override with correct privilege equivalent to PF. | |
3379 | */ | |
3380 | if (be_is_mc(adapter)) | |
3381 | adapter->cmd_privileges = MAX_PRIVILEGES; | |
3382 | ||
3383 | status = be_mac_setup(adapter); | |
10ef9ab4 SP |
3384 | if (status) |
3385 | goto err; | |
3386 | ||
eeb65ced | 3387 | be_cmd_get_fw_ver(adapter, adapter->fw_ver, adapter->fw_on_flash); |
5a56eb10 | 3388 | |
e9e2a904 SK |
3389 | if (BE2_chip(adapter) && fw_major_num(adapter->fw_ver) < 4) { |
3390 | dev_err(dev, "Firmware on card is old(%s), IRQs may not work.", | |
3391 | adapter->fw_ver); | |
3392 | dev_err(dev, "Please upgrade firmware to version >= 4.0\n"); | |
3393 | } | |
3394 | ||
1d1e9a46 | 3395 | if (adapter->vlans_added) |
10329df8 | 3396 | be_vid_config(adapter); |
7ab8b0b4 | 3397 | |
a54769f5 | 3398 | be_set_rx_mode(adapter->netdev); |
5fb379ee | 3399 | |
ddc3f5cb | 3400 | be_cmd_get_flow_control(adapter, &tx_fc, &rx_fc); |
590c391d | 3401 | |
ddc3f5cb AK |
3402 | if (rx_fc != adapter->rx_fc || tx_fc != adapter->tx_fc) |
3403 | be_cmd_set_flow_control(adapter, adapter->tx_fc, | |
a54769f5 | 3404 | adapter->rx_fc); |
2dc1deb6 | 3405 | |
b905b5d4 | 3406 | if (sriov_want(adapter)) { |
92bf14ab | 3407 | if (be_max_vfs(adapter)) |
39f1d94d SP |
3408 | be_vf_setup(adapter); |
3409 | else | |
3410 | dev_warn(dev, "device doesn't support SRIOV\n"); | |
f9449ab7 SP |
3411 | } |
3412 | ||
f25b119c PR |
3413 | status = be_cmd_get_phy_info(adapter); |
3414 | if (!status && be_pause_supported(adapter)) | |
42f11cf2 AK |
3415 | adapter->phy.fc_autoneg = 1; |
3416 | ||
68d7bdcb | 3417 | be_schedule_worker(adapter); |
f9449ab7 | 3418 | return 0; |
a54769f5 SP |
3419 | err: |
3420 | be_clear(adapter); | |
3421 | return status; | |
3422 | } | |
6b7c5b94 | 3423 | |
66268739 IV |
3424 | #ifdef CONFIG_NET_POLL_CONTROLLER |
3425 | static void be_netpoll(struct net_device *netdev) | |
3426 | { | |
3427 | struct be_adapter *adapter = netdev_priv(netdev); | |
10ef9ab4 | 3428 | struct be_eq_obj *eqo; |
66268739 IV |
3429 | int i; |
3430 | ||
e49cc34f SP |
3431 | for_all_evt_queues(adapter, eqo, i) { |
3432 | be_eq_notify(eqo->adapter, eqo->q.id, false, true, 0); | |
3433 | napi_schedule(&eqo->napi); | |
3434 | } | |
10ef9ab4 SP |
3435 | |
3436 | return; | |
66268739 IV |
3437 | } |
3438 | #endif | |
3439 | ||
84517482 | 3440 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
4188e7df | 3441 | static char flash_cookie[2][16] = {"*** SE FLAS", "H DIRECTORY *** "}; |
c165541e | 3442 | |
fa9a6fed | 3443 | static bool be_flash_redboot(struct be_adapter *adapter, |
3f0d4560 AK |
3444 | const u8 *p, u32 img_start, int image_size, |
3445 | int hdr_size) | |
fa9a6fed SB |
3446 | { |
3447 | u32 crc_offset; | |
3448 | u8 flashed_crc[4]; | |
3449 | int status; | |
3f0d4560 AK |
3450 | |
3451 | crc_offset = hdr_size + img_start + image_size - 4; | |
3452 | ||
fa9a6fed | 3453 | p += crc_offset; |
3f0d4560 AK |
3454 | |
3455 | status = be_cmd_get_flash_crc(adapter, flashed_crc, | |
f510fc64 | 3456 | (image_size - 4)); |
fa9a6fed SB |
3457 | if (status) { |
3458 | dev_err(&adapter->pdev->dev, | |
3459 | "could not get crc from flash, not flashing redboot\n"); | |
3460 | return false; | |
3461 | } | |
3462 | ||
3463 | /*update redboot only if crc does not match*/ | |
3464 | if (!memcmp(flashed_crc, p, 4)) | |
3465 | return false; | |
3466 | else | |
3467 | return true; | |
fa9a6fed SB |
3468 | } |
3469 | ||
306f1348 SP |
3470 | static bool phy_flashing_required(struct be_adapter *adapter) |
3471 | { | |
42f11cf2 AK |
3472 | return (adapter->phy.phy_type == TN_8022 && |
3473 | adapter->phy.interface_type == PHY_TYPE_BASET_10GB); | |
306f1348 SP |
3474 | } |
3475 | ||
c165541e PR |
3476 | static bool is_comp_in_ufi(struct be_adapter *adapter, |
3477 | struct flash_section_info *fsec, int type) | |
3478 | { | |
3479 | int i = 0, img_type = 0; | |
3480 | struct flash_section_info_g2 *fsec_g2 = NULL; | |
3481 | ||
ca34fe38 | 3482 | if (BE2_chip(adapter)) |
c165541e PR |
3483 | fsec_g2 = (struct flash_section_info_g2 *)fsec; |
3484 | ||
3485 | for (i = 0; i < MAX_FLASH_COMP; i++) { | |
3486 | if (fsec_g2) | |
3487 | img_type = le32_to_cpu(fsec_g2->fsec_entry[i].type); | |
3488 | else | |
3489 | img_type = le32_to_cpu(fsec->fsec_entry[i].type); | |
3490 | ||
3491 | if (img_type == type) | |
3492 | return true; | |
3493 | } | |
3494 | return false; | |
3495 | ||
3496 | } | |
3497 | ||
4188e7df | 3498 | static struct flash_section_info *get_fsec_info(struct be_adapter *adapter, |
c165541e PR |
3499 | int header_size, |
3500 | const struct firmware *fw) | |
3501 | { | |
3502 | struct flash_section_info *fsec = NULL; | |
3503 | const u8 *p = fw->data; | |
3504 | ||
3505 | p += header_size; | |
3506 | while (p < (fw->data + fw->size)) { | |
3507 | fsec = (struct flash_section_info *)p; | |
3508 | if (!memcmp(flash_cookie, fsec->cookie, sizeof(flash_cookie))) | |
3509 | return fsec; | |
3510 | p += 32; | |
3511 | } | |
3512 | return NULL; | |
3513 | } | |
3514 | ||
773a2d7c PR |
3515 | static int be_flash(struct be_adapter *adapter, const u8 *img, |
3516 | struct be_dma_mem *flash_cmd, int optype, int img_size) | |
3517 | { | |
3518 | u32 total_bytes = 0, flash_op, num_bytes = 0; | |
3519 | int status = 0; | |
3520 | struct be_cmd_write_flashrom *req = flash_cmd->va; | |
3521 | ||
3522 | total_bytes = img_size; | |
3523 | while (total_bytes) { | |
3524 | num_bytes = min_t(u32, 32*1024, total_bytes); | |
3525 | ||
3526 | total_bytes -= num_bytes; | |
3527 | ||
3528 | if (!total_bytes) { | |
3529 | if (optype == OPTYPE_PHY_FW) | |
3530 | flash_op = FLASHROM_OPER_PHY_FLASH; | |
3531 | else | |
3532 | flash_op = FLASHROM_OPER_FLASH; | |
3533 | } else { | |
3534 | if (optype == OPTYPE_PHY_FW) | |
3535 | flash_op = FLASHROM_OPER_PHY_SAVE; | |
3536 | else | |
3537 | flash_op = FLASHROM_OPER_SAVE; | |
3538 | } | |
3539 | ||
be716446 | 3540 | memcpy(req->data_buf, img, num_bytes); |
773a2d7c PR |
3541 | img += num_bytes; |
3542 | status = be_cmd_write_flashrom(adapter, flash_cmd, optype, | |
3543 | flash_op, num_bytes); | |
3544 | if (status) { | |
3545 | if (status == ILLEGAL_IOCTL_REQ && | |
3546 | optype == OPTYPE_PHY_FW) | |
3547 | break; | |
3548 | dev_err(&adapter->pdev->dev, | |
3549 | "cmd to write to flash rom failed.\n"); | |
3550 | return status; | |
3551 | } | |
3552 | } | |
3553 | return 0; | |
3554 | } | |
3555 | ||
0ad3157e | 3556 | /* For BE2, BE3 and BE3-R */ |
ca34fe38 | 3557 | static int be_flash_BEx(struct be_adapter *adapter, |
c165541e PR |
3558 | const struct firmware *fw, |
3559 | struct be_dma_mem *flash_cmd, | |
3560 | int num_of_images) | |
3f0d4560 | 3561 | |
84517482 | 3562 | { |
3f0d4560 | 3563 | int status = 0, i, filehdr_size = 0; |
c165541e | 3564 | int img_hdrs_size = (num_of_images * sizeof(struct image_hdr)); |
84517482 | 3565 | const u8 *p = fw->data; |
215faf9c | 3566 | const struct flash_comp *pflashcomp; |
773a2d7c | 3567 | int num_comp, redboot; |
c165541e PR |
3568 | struct flash_section_info *fsec = NULL; |
3569 | ||
3570 | struct flash_comp gen3_flash_types[] = { | |
3571 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, OPTYPE_ISCSI_ACTIVE, | |
3572 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_iSCSI}, | |
3573 | { FLASH_REDBOOT_START_g3, OPTYPE_REDBOOT, | |
3574 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3, IMAGE_BOOT_CODE}, | |
3575 | { FLASH_iSCSI_BIOS_START_g3, OPTYPE_BIOS, | |
3576 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_ISCSI}, | |
3577 | { FLASH_PXE_BIOS_START_g3, OPTYPE_PXE_BIOS, | |
3578 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_PXE}, | |
3579 | { FLASH_FCoE_BIOS_START_g3, OPTYPE_FCOE_BIOS, | |
3580 | FLASH_BIOS_IMAGE_MAX_SIZE_g3, IMAGE_OPTION_ROM_FCoE}, | |
3581 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, OPTYPE_ISCSI_BACKUP, | |
3582 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_iSCSI}, | |
3583 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, OPTYPE_FCOE_FW_ACTIVE, | |
3584 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_FCoE}, | |
3585 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, OPTYPE_FCOE_FW_BACKUP, | |
3586 | FLASH_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_BACKUP_FCoE}, | |
3587 | { FLASH_NCSI_START_g3, OPTYPE_NCSI_FW, | |
3588 | FLASH_NCSI_IMAGE_MAX_SIZE_g3, IMAGE_NCSI}, | |
3589 | { FLASH_PHY_FW_START_g3, OPTYPE_PHY_FW, | |
3590 | FLASH_PHY_FW_IMAGE_MAX_SIZE_g3, IMAGE_FIRMWARE_PHY} | |
3f0d4560 | 3591 | }; |
c165541e PR |
3592 | |
3593 | struct flash_comp gen2_flash_types[] = { | |
3594 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, OPTYPE_ISCSI_ACTIVE, | |
3595 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_iSCSI}, | |
3596 | { FLASH_REDBOOT_START_g2, OPTYPE_REDBOOT, | |
3597 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2, IMAGE_BOOT_CODE}, | |
3598 | { FLASH_iSCSI_BIOS_START_g2, OPTYPE_BIOS, | |
3599 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_ISCSI}, | |
3600 | { FLASH_PXE_BIOS_START_g2, OPTYPE_PXE_BIOS, | |
3601 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_PXE}, | |
3602 | { FLASH_FCoE_BIOS_START_g2, OPTYPE_FCOE_BIOS, | |
3603 | FLASH_BIOS_IMAGE_MAX_SIZE_g2, IMAGE_OPTION_ROM_FCoE}, | |
3604 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, OPTYPE_ISCSI_BACKUP, | |
3605 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_iSCSI}, | |
3606 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, OPTYPE_FCOE_FW_ACTIVE, | |
3607 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_FCoE}, | |
3608 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, OPTYPE_FCOE_FW_BACKUP, | |
3609 | FLASH_IMAGE_MAX_SIZE_g2, IMAGE_FIRMWARE_BACKUP_FCoE} | |
3f0d4560 AK |
3610 | }; |
3611 | ||
ca34fe38 | 3612 | if (BE3_chip(adapter)) { |
3f0d4560 AK |
3613 | pflashcomp = gen3_flash_types; |
3614 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
215faf9c | 3615 | num_comp = ARRAY_SIZE(gen3_flash_types); |
3f0d4560 AK |
3616 | } else { |
3617 | pflashcomp = gen2_flash_types; | |
3618 | filehdr_size = sizeof(struct flash_file_hdr_g2); | |
215faf9c | 3619 | num_comp = ARRAY_SIZE(gen2_flash_types); |
84517482 | 3620 | } |
ca34fe38 | 3621 | |
c165541e PR |
3622 | /* Get flash section info*/ |
3623 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); | |
3624 | if (!fsec) { | |
3625 | dev_err(&adapter->pdev->dev, | |
3626 | "Invalid Cookie. UFI corrupted ?\n"); | |
3627 | return -1; | |
3628 | } | |
9fe96934 | 3629 | for (i = 0; i < num_comp; i++) { |
c165541e | 3630 | if (!is_comp_in_ufi(adapter, fsec, pflashcomp[i].img_type)) |
9fe96934 | 3631 | continue; |
c165541e PR |
3632 | |
3633 | if ((pflashcomp[i].optype == OPTYPE_NCSI_FW) && | |
3634 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) | |
3635 | continue; | |
3636 | ||
773a2d7c PR |
3637 | if (pflashcomp[i].optype == OPTYPE_PHY_FW && |
3638 | !phy_flashing_required(adapter)) | |
306f1348 | 3639 | continue; |
c165541e | 3640 | |
773a2d7c PR |
3641 | if (pflashcomp[i].optype == OPTYPE_REDBOOT) { |
3642 | redboot = be_flash_redboot(adapter, fw->data, | |
3643 | pflashcomp[i].offset, pflashcomp[i].size, | |
3644 | filehdr_size + img_hdrs_size); | |
3645 | if (!redboot) | |
3646 | continue; | |
3647 | } | |
c165541e | 3648 | |
3f0d4560 | 3649 | p = fw->data; |
c165541e | 3650 | p += filehdr_size + pflashcomp[i].offset + img_hdrs_size; |
306f1348 SP |
3651 | if (p + pflashcomp[i].size > fw->data + fw->size) |
3652 | return -1; | |
773a2d7c PR |
3653 | |
3654 | status = be_flash(adapter, p, flash_cmd, pflashcomp[i].optype, | |
3655 | pflashcomp[i].size); | |
3656 | if (status) { | |
3657 | dev_err(&adapter->pdev->dev, | |
3658 | "Flashing section type %d failed.\n", | |
3659 | pflashcomp[i].img_type); | |
3660 | return status; | |
84517482 | 3661 | } |
84517482 | 3662 | } |
84517482 AK |
3663 | return 0; |
3664 | } | |
3665 | ||
773a2d7c PR |
3666 | static int be_flash_skyhawk(struct be_adapter *adapter, |
3667 | const struct firmware *fw, | |
3668 | struct be_dma_mem *flash_cmd, int num_of_images) | |
3f0d4560 | 3669 | { |
773a2d7c PR |
3670 | int status = 0, i, filehdr_size = 0; |
3671 | int img_offset, img_size, img_optype, redboot; | |
3672 | int img_hdrs_size = num_of_images * sizeof(struct image_hdr); | |
3673 | const u8 *p = fw->data; | |
3674 | struct flash_section_info *fsec = NULL; | |
3675 | ||
3676 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
3677 | fsec = get_fsec_info(adapter, filehdr_size + img_hdrs_size, fw); | |
3678 | if (!fsec) { | |
3679 | dev_err(&adapter->pdev->dev, | |
3680 | "Invalid Cookie. UFI corrupted ?\n"); | |
3681 | return -1; | |
3682 | } | |
3683 | ||
3684 | for (i = 0; i < le32_to_cpu(fsec->fsec_hdr.num_images); i++) { | |
3685 | img_offset = le32_to_cpu(fsec->fsec_entry[i].offset); | |
3686 | img_size = le32_to_cpu(fsec->fsec_entry[i].pad_size); | |
3687 | ||
3688 | switch (le32_to_cpu(fsec->fsec_entry[i].type)) { | |
3689 | case IMAGE_FIRMWARE_iSCSI: | |
3690 | img_optype = OPTYPE_ISCSI_ACTIVE; | |
3691 | break; | |
3692 | case IMAGE_BOOT_CODE: | |
3693 | img_optype = OPTYPE_REDBOOT; | |
3694 | break; | |
3695 | case IMAGE_OPTION_ROM_ISCSI: | |
3696 | img_optype = OPTYPE_BIOS; | |
3697 | break; | |
3698 | case IMAGE_OPTION_ROM_PXE: | |
3699 | img_optype = OPTYPE_PXE_BIOS; | |
3700 | break; | |
3701 | case IMAGE_OPTION_ROM_FCoE: | |
3702 | img_optype = OPTYPE_FCOE_BIOS; | |
3703 | break; | |
3704 | case IMAGE_FIRMWARE_BACKUP_iSCSI: | |
3705 | img_optype = OPTYPE_ISCSI_BACKUP; | |
3706 | break; | |
3707 | case IMAGE_NCSI: | |
3708 | img_optype = OPTYPE_NCSI_FW; | |
3709 | break; | |
3710 | default: | |
3711 | continue; | |
3712 | } | |
3713 | ||
3714 | if (img_optype == OPTYPE_REDBOOT) { | |
3715 | redboot = be_flash_redboot(adapter, fw->data, | |
3716 | img_offset, img_size, | |
3717 | filehdr_size + img_hdrs_size); | |
3718 | if (!redboot) | |
3719 | continue; | |
3720 | } | |
3721 | ||
3722 | p = fw->data; | |
3723 | p += filehdr_size + img_offset + img_hdrs_size; | |
3724 | if (p + img_size > fw->data + fw->size) | |
3725 | return -1; | |
3726 | ||
3727 | status = be_flash(adapter, p, flash_cmd, img_optype, img_size); | |
3728 | if (status) { | |
3729 | dev_err(&adapter->pdev->dev, | |
3730 | "Flashing section type %d failed.\n", | |
3731 | fsec->fsec_entry[i].type); | |
3732 | return status; | |
3733 | } | |
3734 | } | |
3735 | return 0; | |
3f0d4560 AK |
3736 | } |
3737 | ||
485bf569 SN |
3738 | static int lancer_fw_download(struct be_adapter *adapter, |
3739 | const struct firmware *fw) | |
84517482 | 3740 | { |
485bf569 SN |
3741 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) |
3742 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" | |
84517482 | 3743 | struct be_dma_mem flash_cmd; |
485bf569 SN |
3744 | const u8 *data_ptr = NULL; |
3745 | u8 *dest_image_ptr = NULL; | |
3746 | size_t image_size = 0; | |
3747 | u32 chunk_size = 0; | |
3748 | u32 data_written = 0; | |
3749 | u32 offset = 0; | |
3750 | int status = 0; | |
3751 | u8 add_status = 0; | |
f67ef7ba | 3752 | u8 change_status; |
84517482 | 3753 | |
485bf569 | 3754 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { |
d9efd2af | 3755 | dev_err(&adapter->pdev->dev, |
485bf569 SN |
3756 | "FW Image not properly aligned. " |
3757 | "Length must be 4 byte aligned.\n"); | |
3758 | status = -EINVAL; | |
3759 | goto lancer_fw_exit; | |
d9efd2af SB |
3760 | } |
3761 | ||
485bf569 SN |
3762 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) |
3763 | + LANCER_FW_DOWNLOAD_CHUNK; | |
3764 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, | |
d0320f75 | 3765 | &flash_cmd.dma, GFP_KERNEL); |
485bf569 SN |
3766 | if (!flash_cmd.va) { |
3767 | status = -ENOMEM; | |
485bf569 SN |
3768 | goto lancer_fw_exit; |
3769 | } | |
84517482 | 3770 | |
485bf569 SN |
3771 | dest_image_ptr = flash_cmd.va + |
3772 | sizeof(struct lancer_cmd_req_write_object); | |
3773 | image_size = fw->size; | |
3774 | data_ptr = fw->data; | |
3775 | ||
3776 | while (image_size) { | |
3777 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); | |
3778 | ||
3779 | /* Copy the image chunk content. */ | |
3780 | memcpy(dest_image_ptr, data_ptr, chunk_size); | |
3781 | ||
3782 | status = lancer_cmd_write_object(adapter, &flash_cmd, | |
f67ef7ba PR |
3783 | chunk_size, offset, |
3784 | LANCER_FW_DOWNLOAD_LOCATION, | |
3785 | &data_written, &change_status, | |
3786 | &add_status); | |
485bf569 SN |
3787 | if (status) |
3788 | break; | |
3789 | ||
3790 | offset += data_written; | |
3791 | data_ptr += data_written; | |
3792 | image_size -= data_written; | |
3793 | } | |
3794 | ||
3795 | if (!status) { | |
3796 | /* Commit the FW written */ | |
3797 | status = lancer_cmd_write_object(adapter, &flash_cmd, | |
f67ef7ba PR |
3798 | 0, offset, |
3799 | LANCER_FW_DOWNLOAD_LOCATION, | |
3800 | &data_written, &change_status, | |
3801 | &add_status); | |
485bf569 SN |
3802 | } |
3803 | ||
3804 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, | |
3805 | flash_cmd.dma); | |
3806 | if (status) { | |
3807 | dev_err(&adapter->pdev->dev, | |
3808 | "Firmware load error. " | |
3809 | "Status code: 0x%x Additional Status: 0x%x\n", | |
3810 | status, add_status); | |
3811 | goto lancer_fw_exit; | |
3812 | } | |
3813 | ||
f67ef7ba | 3814 | if (change_status == LANCER_FW_RESET_NEEDED) { |
5c510811 SK |
3815 | status = lancer_physdev_ctrl(adapter, |
3816 | PHYSDEV_CONTROL_FW_RESET_MASK); | |
f67ef7ba PR |
3817 | if (status) { |
3818 | dev_err(&adapter->pdev->dev, | |
3819 | "Adapter busy for FW reset.\n" | |
3820 | "New FW will not be active.\n"); | |
3821 | goto lancer_fw_exit; | |
3822 | } | |
3823 | } else if (change_status != LANCER_NO_RESET_NEEDED) { | |
3824 | dev_err(&adapter->pdev->dev, | |
3825 | "System reboot required for new FW" | |
3826 | " to be active\n"); | |
3827 | } | |
3828 | ||
485bf569 SN |
3829 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
3830 | lancer_fw_exit: | |
3831 | return status; | |
3832 | } | |
3833 | ||
ca34fe38 SP |
3834 | #define UFI_TYPE2 2 |
3835 | #define UFI_TYPE3 3 | |
0ad3157e | 3836 | #define UFI_TYPE3R 10 |
ca34fe38 SP |
3837 | #define UFI_TYPE4 4 |
3838 | static int be_get_ufi_type(struct be_adapter *adapter, | |
0ad3157e | 3839 | struct flash_file_hdr_g3 *fhdr) |
773a2d7c PR |
3840 | { |
3841 | if (fhdr == NULL) | |
3842 | goto be_get_ufi_exit; | |
3843 | ||
ca34fe38 SP |
3844 | if (skyhawk_chip(adapter) && fhdr->build[0] == '4') |
3845 | return UFI_TYPE4; | |
0ad3157e VV |
3846 | else if (BE3_chip(adapter) && fhdr->build[0] == '3') { |
3847 | if (fhdr->asic_type_rev == 0x10) | |
3848 | return UFI_TYPE3R; | |
3849 | else | |
3850 | return UFI_TYPE3; | |
3851 | } else if (BE2_chip(adapter) && fhdr->build[0] == '2') | |
ca34fe38 | 3852 | return UFI_TYPE2; |
773a2d7c PR |
3853 | |
3854 | be_get_ufi_exit: | |
3855 | dev_err(&adapter->pdev->dev, | |
3856 | "UFI and Interface are not compatible for flashing\n"); | |
3857 | return -1; | |
3858 | } | |
3859 | ||
485bf569 SN |
3860 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) |
3861 | { | |
485bf569 SN |
3862 | struct flash_file_hdr_g3 *fhdr3; |
3863 | struct image_hdr *img_hdr_ptr = NULL; | |
3864 | struct be_dma_mem flash_cmd; | |
3865 | const u8 *p; | |
773a2d7c | 3866 | int status = 0, i = 0, num_imgs = 0, ufi_type = 0; |
84517482 | 3867 | |
be716446 | 3868 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom); |
2b7bcebf IV |
3869 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
3870 | &flash_cmd.dma, GFP_KERNEL); | |
84517482 AK |
3871 | if (!flash_cmd.va) { |
3872 | status = -ENOMEM; | |
485bf569 | 3873 | goto be_fw_exit; |
84517482 AK |
3874 | } |
3875 | ||
773a2d7c | 3876 | p = fw->data; |
0ad3157e | 3877 | fhdr3 = (struct flash_file_hdr_g3 *)p; |
773a2d7c | 3878 | |
0ad3157e | 3879 | ufi_type = be_get_ufi_type(adapter, fhdr3); |
773a2d7c | 3880 | |
773a2d7c PR |
3881 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
3882 | for (i = 0; i < num_imgs; i++) { | |
3883 | img_hdr_ptr = (struct image_hdr *)(fw->data + | |
3884 | (sizeof(struct flash_file_hdr_g3) + | |
3885 | i * sizeof(struct image_hdr))); | |
3886 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) { | |
0ad3157e VV |
3887 | switch (ufi_type) { |
3888 | case UFI_TYPE4: | |
773a2d7c PR |
3889 | status = be_flash_skyhawk(adapter, fw, |
3890 | &flash_cmd, num_imgs); | |
0ad3157e VV |
3891 | break; |
3892 | case UFI_TYPE3R: | |
ca34fe38 SP |
3893 | status = be_flash_BEx(adapter, fw, &flash_cmd, |
3894 | num_imgs); | |
0ad3157e VV |
3895 | break; |
3896 | case UFI_TYPE3: | |
3897 | /* Do not flash this ufi on BE3-R cards */ | |
3898 | if (adapter->asic_rev < 0x10) | |
3899 | status = be_flash_BEx(adapter, fw, | |
3900 | &flash_cmd, | |
3901 | num_imgs); | |
3902 | else { | |
3903 | status = -1; | |
3904 | dev_err(&adapter->pdev->dev, | |
3905 | "Can't load BE3 UFI on BE3R\n"); | |
3906 | } | |
3907 | } | |
3f0d4560 | 3908 | } |
773a2d7c PR |
3909 | } |
3910 | ||
ca34fe38 SP |
3911 | if (ufi_type == UFI_TYPE2) |
3912 | status = be_flash_BEx(adapter, fw, &flash_cmd, 0); | |
773a2d7c | 3913 | else if (ufi_type == -1) |
3f0d4560 | 3914 | status = -1; |
84517482 | 3915 | |
2b7bcebf IV |
3916 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
3917 | flash_cmd.dma); | |
84517482 AK |
3918 | if (status) { |
3919 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); | |
485bf569 | 3920 | goto be_fw_exit; |
84517482 AK |
3921 | } |
3922 | ||
af901ca1 | 3923 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
84517482 | 3924 | |
485bf569 SN |
3925 | be_fw_exit: |
3926 | return status; | |
3927 | } | |
3928 | ||
3929 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) | |
3930 | { | |
3931 | const struct firmware *fw; | |
3932 | int status; | |
3933 | ||
3934 | if (!netif_running(adapter->netdev)) { | |
3935 | dev_err(&adapter->pdev->dev, | |
3936 | "Firmware load not allowed (interface is down)\n"); | |
3937 | return -1; | |
3938 | } | |
3939 | ||
3940 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); | |
3941 | if (status) | |
3942 | goto fw_exit; | |
3943 | ||
3944 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); | |
3945 | ||
3946 | if (lancer_chip(adapter)) | |
3947 | status = lancer_fw_download(adapter, fw); | |
3948 | else | |
3949 | status = be_fw_download(adapter, fw); | |
3950 | ||
eeb65ced SK |
3951 | if (!status) |
3952 | be_cmd_get_fw_ver(adapter, adapter->fw_ver, | |
3953 | adapter->fw_on_flash); | |
3954 | ||
84517482 AK |
3955 | fw_exit: |
3956 | release_firmware(fw); | |
3957 | return status; | |
3958 | } | |
3959 | ||
a77dcb8c AK |
3960 | static int be_ndo_bridge_setlink(struct net_device *dev, |
3961 | struct nlmsghdr *nlh) | |
3962 | { | |
3963 | struct be_adapter *adapter = netdev_priv(dev); | |
3964 | struct nlattr *attr, *br_spec; | |
3965 | int rem; | |
3966 | int status = 0; | |
3967 | u16 mode = 0; | |
3968 | ||
3969 | if (!sriov_enabled(adapter)) | |
3970 | return -EOPNOTSUPP; | |
3971 | ||
3972 | br_spec = nlmsg_find_attr(nlh, sizeof(struct ifinfomsg), IFLA_AF_SPEC); | |
3973 | ||
3974 | nla_for_each_nested(attr, br_spec, rem) { | |
3975 | if (nla_type(attr) != IFLA_BRIDGE_MODE) | |
3976 | continue; | |
3977 | ||
3978 | mode = nla_get_u16(attr); | |
3979 | if (mode != BRIDGE_MODE_VEPA && mode != BRIDGE_MODE_VEB) | |
3980 | return -EINVAL; | |
3981 | ||
3982 | status = be_cmd_set_hsw_config(adapter, 0, 0, | |
3983 | adapter->if_handle, | |
3984 | mode == BRIDGE_MODE_VEPA ? | |
3985 | PORT_FWD_TYPE_VEPA : | |
3986 | PORT_FWD_TYPE_VEB); | |
3987 | if (status) | |
3988 | goto err; | |
3989 | ||
3990 | dev_info(&adapter->pdev->dev, "enabled switch mode: %s\n", | |
3991 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); | |
3992 | ||
3993 | return status; | |
3994 | } | |
3995 | err: | |
3996 | dev_err(&adapter->pdev->dev, "Failed to set switch mode %s\n", | |
3997 | mode == BRIDGE_MODE_VEPA ? "VEPA" : "VEB"); | |
3998 | ||
3999 | return status; | |
4000 | } | |
4001 | ||
4002 | static int be_ndo_bridge_getlink(struct sk_buff *skb, u32 pid, u32 seq, | |
4003 | struct net_device *dev, | |
4004 | u32 filter_mask) | |
4005 | { | |
4006 | struct be_adapter *adapter = netdev_priv(dev); | |
4007 | int status = 0; | |
4008 | u8 hsw_mode; | |
4009 | ||
4010 | if (!sriov_enabled(adapter)) | |
4011 | return 0; | |
4012 | ||
4013 | /* BE and Lancer chips support VEB mode only */ | |
4014 | if (BEx_chip(adapter) || lancer_chip(adapter)) { | |
4015 | hsw_mode = PORT_FWD_TYPE_VEB; | |
4016 | } else { | |
4017 | status = be_cmd_get_hsw_config(adapter, NULL, 0, | |
4018 | adapter->if_handle, &hsw_mode); | |
4019 | if (status) | |
4020 | return 0; | |
4021 | } | |
4022 | ||
4023 | return ndo_dflt_bridge_getlink(skb, pid, seq, dev, | |
4024 | hsw_mode == PORT_FWD_TYPE_VEPA ? | |
4025 | BRIDGE_MODE_VEPA : BRIDGE_MODE_VEB); | |
4026 | } | |
4027 | ||
e5686ad8 | 4028 | static const struct net_device_ops be_netdev_ops = { |
6b7c5b94 SP |
4029 | .ndo_open = be_open, |
4030 | .ndo_stop = be_close, | |
4031 | .ndo_start_xmit = be_xmit, | |
a54769f5 | 4032 | .ndo_set_rx_mode = be_set_rx_mode, |
6b7c5b94 SP |
4033 | .ndo_set_mac_address = be_mac_addr_set, |
4034 | .ndo_change_mtu = be_change_mtu, | |
ab1594e9 | 4035 | .ndo_get_stats64 = be_get_stats64, |
6b7c5b94 | 4036 | .ndo_validate_addr = eth_validate_addr, |
6b7c5b94 SP |
4037 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, |
4038 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, | |
64600ea5 | 4039 | .ndo_set_vf_mac = be_set_vf_mac, |
1da87b7f | 4040 | .ndo_set_vf_vlan = be_set_vf_vlan, |
e1d18735 | 4041 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
66268739 IV |
4042 | .ndo_get_vf_config = be_get_vf_config, |
4043 | #ifdef CONFIG_NET_POLL_CONTROLLER | |
4044 | .ndo_poll_controller = be_netpoll, | |
4045 | #endif | |
a77dcb8c AK |
4046 | .ndo_bridge_setlink = be_ndo_bridge_setlink, |
4047 | .ndo_bridge_getlink = be_ndo_bridge_getlink, | |
6384a4d0 SP |
4048 | #ifdef CONFIG_NET_RX_BUSY_POLL |
4049 | .ndo_busy_poll = be_busy_poll | |
4050 | #endif | |
6b7c5b94 SP |
4051 | }; |
4052 | ||
4053 | static void be_netdev_init(struct net_device *netdev) | |
4054 | { | |
4055 | struct be_adapter *adapter = netdev_priv(netdev); | |
4056 | ||
6332c8d3 | 4057 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
8b8ddc68 | 4058 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
f646968f | 4059 | NETIF_F_HW_VLAN_CTAG_TX; |
8b8ddc68 MM |
4060 | if (be_multi_rxq(adapter)) |
4061 | netdev->hw_features |= NETIF_F_RXHASH; | |
6332c8d3 MM |
4062 | |
4063 | netdev->features |= netdev->hw_features | | |
f646968f | 4064 | NETIF_F_HW_VLAN_CTAG_RX | NETIF_F_HW_VLAN_CTAG_FILTER; |
4b972914 | 4065 | |
eb8a50d9 | 4066 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
79032644 | 4067 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
51c59870 | 4068 | |
fbc13f01 AK |
4069 | netdev->priv_flags |= IFF_UNICAST_FLT; |
4070 | ||
6b7c5b94 SP |
4071 | netdev->flags |= IFF_MULTICAST; |
4072 | ||
b7e5887e | 4073 | netif_set_gso_max_size(netdev, 65535 - ETH_HLEN); |
c190e3c8 | 4074 | |
10ef9ab4 | 4075 | netdev->netdev_ops = &be_netdev_ops; |
6b7c5b94 SP |
4076 | |
4077 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); | |
6b7c5b94 SP |
4078 | } |
4079 | ||
4080 | static void be_unmap_pci_bars(struct be_adapter *adapter) | |
4081 | { | |
c5b3ad4c SP |
4082 | if (adapter->csr) |
4083 | pci_iounmap(adapter->pdev, adapter->csr); | |
8788fdc2 | 4084 | if (adapter->db) |
ce66f781 | 4085 | pci_iounmap(adapter->pdev, adapter->db); |
045508a8 PP |
4086 | } |
4087 | ||
ce66f781 SP |
4088 | static int db_bar(struct be_adapter *adapter) |
4089 | { | |
4090 | if (lancer_chip(adapter) || !be_physfn(adapter)) | |
4091 | return 0; | |
4092 | else | |
4093 | return 4; | |
4094 | } | |
4095 | ||
4096 | static int be_roce_map_pci_bars(struct be_adapter *adapter) | |
045508a8 | 4097 | { |
dbf0f2a7 | 4098 | if (skyhawk_chip(adapter)) { |
ce66f781 SP |
4099 | adapter->roce_db.size = 4096; |
4100 | adapter->roce_db.io_addr = pci_resource_start(adapter->pdev, | |
4101 | db_bar(adapter)); | |
4102 | adapter->roce_db.total_size = pci_resource_len(adapter->pdev, | |
4103 | db_bar(adapter)); | |
4104 | } | |
045508a8 | 4105 | return 0; |
6b7c5b94 SP |
4106 | } |
4107 | ||
4108 | static int be_map_pci_bars(struct be_adapter *adapter) | |
4109 | { | |
4110 | u8 __iomem *addr; | |
fe6d2a38 | 4111 | |
c5b3ad4c SP |
4112 | if (BEx_chip(adapter) && be_physfn(adapter)) { |
4113 | adapter->csr = pci_iomap(adapter->pdev, 2, 0); | |
4114 | if (adapter->csr == NULL) | |
4115 | return -ENOMEM; | |
4116 | } | |
4117 | ||
ce66f781 | 4118 | addr = pci_iomap(adapter->pdev, db_bar(adapter), 0); |
6b7c5b94 SP |
4119 | if (addr == NULL) |
4120 | goto pci_map_err; | |
ba343c77 | 4121 | adapter->db = addr; |
ce66f781 SP |
4122 | |
4123 | be_roce_map_pci_bars(adapter); | |
6b7c5b94 | 4124 | return 0; |
ce66f781 | 4125 | |
6b7c5b94 SP |
4126 | pci_map_err: |
4127 | be_unmap_pci_bars(adapter); | |
4128 | return -ENOMEM; | |
4129 | } | |
4130 | ||
6b7c5b94 SP |
4131 | static void be_ctrl_cleanup(struct be_adapter *adapter) |
4132 | { | |
8788fdc2 | 4133 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
6b7c5b94 SP |
4134 | |
4135 | be_unmap_pci_bars(adapter); | |
4136 | ||
4137 | if (mem->va) | |
2b7bcebf IV |
4138 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
4139 | mem->dma); | |
e7b909a6 | 4140 | |
5b8821b7 | 4141 | mem = &adapter->rx_filter; |
e7b909a6 | 4142 | if (mem->va) |
2b7bcebf IV |
4143 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
4144 | mem->dma); | |
6b7c5b94 SP |
4145 | } |
4146 | ||
6b7c5b94 SP |
4147 | static int be_ctrl_init(struct be_adapter *adapter) |
4148 | { | |
8788fdc2 SP |
4149 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
4150 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; | |
5b8821b7 | 4151 | struct be_dma_mem *rx_filter = &adapter->rx_filter; |
ce66f781 | 4152 | u32 sli_intf; |
6b7c5b94 | 4153 | int status; |
6b7c5b94 | 4154 | |
ce66f781 SP |
4155 | pci_read_config_dword(adapter->pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
4156 | adapter->sli_family = (sli_intf & SLI_INTF_FAMILY_MASK) >> | |
4157 | SLI_INTF_FAMILY_SHIFT; | |
4158 | adapter->virtfn = (sli_intf & SLI_INTF_FT_MASK) ? 1 : 0; | |
4159 | ||
6b7c5b94 SP |
4160 | status = be_map_pci_bars(adapter); |
4161 | if (status) | |
e7b909a6 | 4162 | goto done; |
6b7c5b94 SP |
4163 | |
4164 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; | |
2b7bcebf IV |
4165 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
4166 | mbox_mem_alloc->size, | |
4167 | &mbox_mem_alloc->dma, | |
4168 | GFP_KERNEL); | |
6b7c5b94 | 4169 | if (!mbox_mem_alloc->va) { |
e7b909a6 SP |
4170 | status = -ENOMEM; |
4171 | goto unmap_pci_bars; | |
6b7c5b94 SP |
4172 | } |
4173 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); | |
4174 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); | |
4175 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); | |
4176 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); | |
e7b909a6 | 4177 | |
5b8821b7 | 4178 | rx_filter->size = sizeof(struct be_cmd_req_rx_filter); |
ede23fa8 JP |
4179 | rx_filter->va = dma_zalloc_coherent(&adapter->pdev->dev, |
4180 | rx_filter->size, &rx_filter->dma, | |
4181 | GFP_KERNEL); | |
5b8821b7 | 4182 | if (rx_filter->va == NULL) { |
e7b909a6 SP |
4183 | status = -ENOMEM; |
4184 | goto free_mbox; | |
4185 | } | |
1f9061d2 | 4186 | |
2984961c | 4187 | mutex_init(&adapter->mbox_lock); |
8788fdc2 SP |
4188 | spin_lock_init(&adapter->mcc_lock); |
4189 | spin_lock_init(&adapter->mcc_cq_lock); | |
a8f447bd | 4190 | |
dd131e76 | 4191 | init_completion(&adapter->flash_compl); |
cf588477 | 4192 | pci_save_state(adapter->pdev); |
6b7c5b94 | 4193 | return 0; |
e7b909a6 SP |
4194 | |
4195 | free_mbox: | |
2b7bcebf IV |
4196 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
4197 | mbox_mem_alloc->va, mbox_mem_alloc->dma); | |
e7b909a6 SP |
4198 | |
4199 | unmap_pci_bars: | |
4200 | be_unmap_pci_bars(adapter); | |
4201 | ||
4202 | done: | |
4203 | return status; | |
6b7c5b94 SP |
4204 | } |
4205 | ||
4206 | static void be_stats_cleanup(struct be_adapter *adapter) | |
4207 | { | |
3abcdeda | 4208 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
4209 | |
4210 | if (cmd->va) | |
2b7bcebf IV |
4211 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
4212 | cmd->va, cmd->dma); | |
6b7c5b94 SP |
4213 | } |
4214 | ||
4215 | static int be_stats_init(struct be_adapter *adapter) | |
4216 | { | |
3abcdeda | 4217 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 | 4218 | |
ca34fe38 SP |
4219 | if (lancer_chip(adapter)) |
4220 | cmd->size = sizeof(struct lancer_cmd_req_pport_stats); | |
4221 | else if (BE2_chip(adapter)) | |
89a88ab8 | 4222 | cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
61000861 | 4223 | else if (BE3_chip(adapter)) |
ca34fe38 | 4224 | cmd->size = sizeof(struct be_cmd_req_get_stats_v1); |
61000861 AK |
4225 | else |
4226 | /* ALL non-BE ASICs */ | |
4227 | cmd->size = sizeof(struct be_cmd_req_get_stats_v2); | |
ca34fe38 | 4228 | |
ede23fa8 JP |
4229 | cmd->va = dma_zalloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
4230 | GFP_KERNEL); | |
6b7c5b94 SP |
4231 | if (cmd->va == NULL) |
4232 | return -1; | |
4233 | return 0; | |
4234 | } | |
4235 | ||
3bc6b06c | 4236 | static void be_remove(struct pci_dev *pdev) |
6b7c5b94 SP |
4237 | { |
4238 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
8d56ff11 | 4239 | |
6b7c5b94 SP |
4240 | if (!adapter) |
4241 | return; | |
4242 | ||
045508a8 | 4243 | be_roce_dev_remove(adapter); |
8cef7a78 | 4244 | be_intr_set(adapter, false); |
045508a8 | 4245 | |
f67ef7ba PR |
4246 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
4247 | ||
6b7c5b94 SP |
4248 | unregister_netdev(adapter->netdev); |
4249 | ||
5fb379ee SP |
4250 | be_clear(adapter); |
4251 | ||
bf99e50d PR |
4252 | /* tell fw we're done with firing cmds */ |
4253 | be_cmd_fw_clean(adapter); | |
4254 | ||
6b7c5b94 SP |
4255 | be_stats_cleanup(adapter); |
4256 | ||
4257 | be_ctrl_cleanup(adapter); | |
4258 | ||
d6b6d987 SP |
4259 | pci_disable_pcie_error_reporting(pdev); |
4260 | ||
6b7c5b94 SP |
4261 | pci_release_regions(pdev); |
4262 | pci_disable_device(pdev); | |
4263 | ||
4264 | free_netdev(adapter->netdev); | |
4265 | } | |
4266 | ||
4762f6ce AK |
4267 | bool be_is_wol_supported(struct be_adapter *adapter) |
4268 | { | |
4269 | return ((adapter->wol_cap & BE_WOL_CAP) && | |
4270 | !be_is_wol_excluded(adapter)) ? true : false; | |
4271 | } | |
4272 | ||
941a77d5 SK |
4273 | u32 be_get_fw_log_level(struct be_adapter *adapter) |
4274 | { | |
4275 | struct be_dma_mem extfat_cmd; | |
4276 | struct be_fat_conf_params *cfgs; | |
4277 | int status; | |
4278 | u32 level = 0; | |
4279 | int j; | |
4280 | ||
f25b119c PR |
4281 | if (lancer_chip(adapter)) |
4282 | return 0; | |
4283 | ||
941a77d5 SK |
4284 | memset(&extfat_cmd, 0, sizeof(struct be_dma_mem)); |
4285 | extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps); | |
4286 | extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size, | |
4287 | &extfat_cmd.dma); | |
4288 | ||
4289 | if (!extfat_cmd.va) { | |
4290 | dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n", | |
4291 | __func__); | |
4292 | goto err; | |
4293 | } | |
4294 | ||
4295 | status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd); | |
4296 | if (!status) { | |
4297 | cfgs = (struct be_fat_conf_params *)(extfat_cmd.va + | |
4298 | sizeof(struct be_cmd_resp_hdr)); | |
ac46a462 | 4299 | for (j = 0; j < le32_to_cpu(cfgs->module[0].num_modes); j++) { |
941a77d5 SK |
4300 | if (cfgs->module[0].trace_lvl[j].mode == MODE_UART) |
4301 | level = cfgs->module[0].trace_lvl[j].dbg_lvl; | |
4302 | } | |
4303 | } | |
4304 | pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va, | |
4305 | extfat_cmd.dma); | |
4306 | err: | |
4307 | return level; | |
4308 | } | |
abb93951 | 4309 | |
39f1d94d | 4310 | static int be_get_initial_config(struct be_adapter *adapter) |
6b7c5b94 | 4311 | { |
6b7c5b94 | 4312 | int status; |
941a77d5 | 4313 | u32 level; |
6b7c5b94 | 4314 | |
9e1453c5 AK |
4315 | status = be_cmd_get_cntl_attributes(adapter); |
4316 | if (status) | |
4317 | return status; | |
4318 | ||
4762f6ce AK |
4319 | status = be_cmd_get_acpi_wol_cap(adapter); |
4320 | if (status) { | |
4321 | /* in case of a failure to get wol capabillities | |
4322 | * check the exclusion list to determine WOL capability */ | |
4323 | if (!be_is_wol_excluded(adapter)) | |
4324 | adapter->wol_cap |= BE_WOL_CAP; | |
4325 | } | |
4326 | ||
4327 | if (be_is_wol_supported(adapter)) | |
4328 | adapter->wol = true; | |
4329 | ||
7aeb2156 PR |
4330 | /* Must be a power of 2 or else MODULO will BUG_ON */ |
4331 | adapter->be_get_temp_freq = 64; | |
4332 | ||
941a77d5 SK |
4333 | level = be_get_fw_log_level(adapter); |
4334 | adapter->msg_enable = level <= FW_LOG_LEVEL_DEFAULT ? NETIF_MSG_HW : 0; | |
4335 | ||
92bf14ab | 4336 | adapter->cfg_num_qs = netif_get_num_default_rss_queues(); |
2243e2e9 | 4337 | return 0; |
6b7c5b94 SP |
4338 | } |
4339 | ||
f67ef7ba | 4340 | static int lancer_recover_func(struct be_adapter *adapter) |
d8110f62 | 4341 | { |
01e5b2c4 | 4342 | struct device *dev = &adapter->pdev->dev; |
d8110f62 | 4343 | int status; |
d8110f62 | 4344 | |
f67ef7ba PR |
4345 | status = lancer_test_and_set_rdy_state(adapter); |
4346 | if (status) | |
4347 | goto err; | |
d8110f62 | 4348 | |
f67ef7ba PR |
4349 | if (netif_running(adapter->netdev)) |
4350 | be_close(adapter->netdev); | |
d8110f62 | 4351 | |
f67ef7ba PR |
4352 | be_clear(adapter); |
4353 | ||
01e5b2c4 | 4354 | be_clear_all_error(adapter); |
f67ef7ba PR |
4355 | |
4356 | status = be_setup(adapter); | |
4357 | if (status) | |
4358 | goto err; | |
d8110f62 | 4359 | |
f67ef7ba PR |
4360 | if (netif_running(adapter->netdev)) { |
4361 | status = be_open(adapter->netdev); | |
d8110f62 PR |
4362 | if (status) |
4363 | goto err; | |
f67ef7ba | 4364 | } |
d8110f62 | 4365 | |
01e5b2c4 | 4366 | dev_err(dev, "Error recovery successful\n"); |
f67ef7ba PR |
4367 | return 0; |
4368 | err: | |
01e5b2c4 SK |
4369 | if (status == -EAGAIN) |
4370 | dev_err(dev, "Waiting for resource provisioning\n"); | |
4371 | else | |
4372 | dev_err(dev, "Error recovery failed\n"); | |
d8110f62 | 4373 | |
f67ef7ba PR |
4374 | return status; |
4375 | } | |
4376 | ||
4377 | static void be_func_recovery_task(struct work_struct *work) | |
4378 | { | |
4379 | struct be_adapter *adapter = | |
4380 | container_of(work, struct be_adapter, func_recovery_work.work); | |
01e5b2c4 | 4381 | int status = 0; |
d8110f62 | 4382 | |
f67ef7ba | 4383 | be_detect_error(adapter); |
d8110f62 | 4384 | |
f67ef7ba | 4385 | if (adapter->hw_error && lancer_chip(adapter)) { |
d8110f62 | 4386 | |
f67ef7ba PR |
4387 | rtnl_lock(); |
4388 | netif_device_detach(adapter->netdev); | |
4389 | rtnl_unlock(); | |
d8110f62 | 4390 | |
f67ef7ba | 4391 | status = lancer_recover_func(adapter); |
f67ef7ba PR |
4392 | if (!status) |
4393 | netif_device_attach(adapter->netdev); | |
d8110f62 | 4394 | } |
f67ef7ba | 4395 | |
01e5b2c4 SK |
4396 | /* In Lancer, for all errors other than provisioning error (-EAGAIN), |
4397 | * no need to attempt further recovery. | |
4398 | */ | |
4399 | if (!status || status == -EAGAIN) | |
4400 | schedule_delayed_work(&adapter->func_recovery_work, | |
4401 | msecs_to_jiffies(1000)); | |
d8110f62 PR |
4402 | } |
4403 | ||
4404 | static void be_worker(struct work_struct *work) | |
4405 | { | |
4406 | struct be_adapter *adapter = | |
4407 | container_of(work, struct be_adapter, work.work); | |
4408 | struct be_rx_obj *rxo; | |
4409 | int i; | |
4410 | ||
d8110f62 PR |
4411 | /* when interrupts are not yet enabled, just reap any pending |
4412 | * mcc completions */ | |
4413 | if (!netif_running(adapter->netdev)) { | |
072a9c48 | 4414 | local_bh_disable(); |
10ef9ab4 | 4415 | be_process_mcc(adapter); |
072a9c48 | 4416 | local_bh_enable(); |
d8110f62 PR |
4417 | goto reschedule; |
4418 | } | |
4419 | ||
4420 | if (!adapter->stats_cmd_sent) { | |
4421 | if (lancer_chip(adapter)) | |
4422 | lancer_cmd_get_pport_stats(adapter, | |
4423 | &adapter->stats_cmd); | |
4424 | else | |
4425 | be_cmd_get_stats(adapter, &adapter->stats_cmd); | |
4426 | } | |
4427 | ||
d696b5e2 VV |
4428 | if (be_physfn(adapter) && |
4429 | MODULO(adapter->work_counter, adapter->be_get_temp_freq) == 0) | |
7aeb2156 PR |
4430 | be_cmd_get_die_temperature(adapter); |
4431 | ||
d8110f62 | 4432 | for_all_rx_queues(adapter, rxo, i) { |
6384a4d0 SP |
4433 | /* Replenish RX-queues starved due to memory |
4434 | * allocation failures. | |
4435 | */ | |
4436 | if (rxo->rx_post_starved) | |
d8110f62 | 4437 | be_post_rx_frags(rxo, GFP_KERNEL); |
d8110f62 PR |
4438 | } |
4439 | ||
2632bafd | 4440 | be_eqd_update(adapter); |
10ef9ab4 | 4441 | |
d8110f62 PR |
4442 | reschedule: |
4443 | adapter->work_counter++; | |
4444 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); | |
4445 | } | |
4446 | ||
257a3feb | 4447 | /* If any VFs are already enabled don't FLR the PF */ |
39f1d94d SP |
4448 | static bool be_reset_required(struct be_adapter *adapter) |
4449 | { | |
257a3feb | 4450 | return pci_num_vf(adapter->pdev) ? false : true; |
39f1d94d SP |
4451 | } |
4452 | ||
d379142b SP |
4453 | static char *mc_name(struct be_adapter *adapter) |
4454 | { | |
4455 | if (adapter->function_mode & FLEX10_MODE) | |
4456 | return "FLEX10"; | |
4457 | else if (adapter->function_mode & VNIC_MODE) | |
4458 | return "vNIC"; | |
4459 | else if (adapter->function_mode & UMC_ENABLED) | |
4460 | return "UMC"; | |
4461 | else | |
4462 | return ""; | |
4463 | } | |
4464 | ||
4465 | static inline char *func_name(struct be_adapter *adapter) | |
4466 | { | |
4467 | return be_physfn(adapter) ? "PF" : "VF"; | |
4468 | } | |
4469 | ||
1dd06ae8 | 4470 | static int be_probe(struct pci_dev *pdev, const struct pci_device_id *pdev_id) |
6b7c5b94 SP |
4471 | { |
4472 | int status = 0; | |
4473 | struct be_adapter *adapter; | |
4474 | struct net_device *netdev; | |
b4e32a71 | 4475 | char port_name; |
6b7c5b94 SP |
4476 | |
4477 | status = pci_enable_device(pdev); | |
4478 | if (status) | |
4479 | goto do_none; | |
4480 | ||
4481 | status = pci_request_regions(pdev, DRV_NAME); | |
4482 | if (status) | |
4483 | goto disable_dev; | |
4484 | pci_set_master(pdev); | |
4485 | ||
7f640062 | 4486 | netdev = alloc_etherdev_mqs(sizeof(*adapter), MAX_TX_QS, MAX_RX_QS); |
6b7c5b94 SP |
4487 | if (netdev == NULL) { |
4488 | status = -ENOMEM; | |
4489 | goto rel_reg; | |
4490 | } | |
4491 | adapter = netdev_priv(netdev); | |
4492 | adapter->pdev = pdev; | |
4493 | pci_set_drvdata(pdev, adapter); | |
4494 | adapter->netdev = netdev; | |
2243e2e9 | 4495 | SET_NETDEV_DEV(netdev, &pdev->dev); |
6b7c5b94 | 4496 | |
4c15c243 | 4497 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64)); |
6b7c5b94 SP |
4498 | if (!status) { |
4499 | netdev->features |= NETIF_F_HIGHDMA; | |
4500 | } else { | |
4c15c243 | 4501 | status = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(32)); |
6b7c5b94 SP |
4502 | if (status) { |
4503 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); | |
4504 | goto free_netdev; | |
4505 | } | |
4506 | } | |
4507 | ||
ea58c180 AK |
4508 | if (be_physfn(adapter)) { |
4509 | status = pci_enable_pcie_error_reporting(pdev); | |
4510 | if (!status) | |
4511 | dev_info(&pdev->dev, "PCIe error reporting enabled\n"); | |
4512 | } | |
d6b6d987 | 4513 | |
6b7c5b94 SP |
4514 | status = be_ctrl_init(adapter); |
4515 | if (status) | |
39f1d94d | 4516 | goto free_netdev; |
6b7c5b94 | 4517 | |
2243e2e9 | 4518 | /* sync up with fw's ready state */ |
ba343c77 | 4519 | if (be_physfn(adapter)) { |
bf99e50d | 4520 | status = be_fw_wait_ready(adapter); |
ba343c77 SB |
4521 | if (status) |
4522 | goto ctrl_clean; | |
ba343c77 | 4523 | } |
6b7c5b94 | 4524 | |
39f1d94d SP |
4525 | if (be_reset_required(adapter)) { |
4526 | status = be_cmd_reset_function(adapter); | |
4527 | if (status) | |
4528 | goto ctrl_clean; | |
556ae191 | 4529 | |
2d177be8 KA |
4530 | /* Wait for interrupts to quiesce after an FLR */ |
4531 | msleep(100); | |
4532 | } | |
8cef7a78 SK |
4533 | |
4534 | /* Allow interrupts for other ULPs running on NIC function */ | |
4535 | be_intr_set(adapter, true); | |
10ef9ab4 | 4536 | |
2d177be8 KA |
4537 | /* tell fw we're ready to fire cmds */ |
4538 | status = be_cmd_fw_init(adapter); | |
4539 | if (status) | |
4540 | goto ctrl_clean; | |
4541 | ||
2243e2e9 SP |
4542 | status = be_stats_init(adapter); |
4543 | if (status) | |
4544 | goto ctrl_clean; | |
4545 | ||
39f1d94d | 4546 | status = be_get_initial_config(adapter); |
6b7c5b94 SP |
4547 | if (status) |
4548 | goto stats_clean; | |
6b7c5b94 SP |
4549 | |
4550 | INIT_DELAYED_WORK(&adapter->work, be_worker); | |
f67ef7ba | 4551 | INIT_DELAYED_WORK(&adapter->func_recovery_work, be_func_recovery_task); |
a54769f5 | 4552 | adapter->rx_fc = adapter->tx_fc = true; |
6b7c5b94 | 4553 | |
5fb379ee SP |
4554 | status = be_setup(adapter); |
4555 | if (status) | |
55f5c3c5 | 4556 | goto stats_clean; |
2243e2e9 | 4557 | |
3abcdeda | 4558 | be_netdev_init(netdev); |
6b7c5b94 SP |
4559 | status = register_netdev(netdev); |
4560 | if (status != 0) | |
5fb379ee | 4561 | goto unsetup; |
6b7c5b94 | 4562 | |
045508a8 PP |
4563 | be_roce_dev_add(adapter); |
4564 | ||
f67ef7ba PR |
4565 | schedule_delayed_work(&adapter->func_recovery_work, |
4566 | msecs_to_jiffies(1000)); | |
b4e32a71 PR |
4567 | |
4568 | be_cmd_query_port_name(adapter, &port_name); | |
4569 | ||
d379142b SP |
4570 | dev_info(&pdev->dev, "%s: %s %s port %c\n", nic_name(pdev), |
4571 | func_name(adapter), mc_name(adapter), port_name); | |
34b1ef04 | 4572 | |
6b7c5b94 SP |
4573 | return 0; |
4574 | ||
5fb379ee SP |
4575 | unsetup: |
4576 | be_clear(adapter); | |
6b7c5b94 SP |
4577 | stats_clean: |
4578 | be_stats_cleanup(adapter); | |
4579 | ctrl_clean: | |
4580 | be_ctrl_cleanup(adapter); | |
f9449ab7 | 4581 | free_netdev: |
fe6d2a38 | 4582 | free_netdev(netdev); |
6b7c5b94 SP |
4583 | rel_reg: |
4584 | pci_release_regions(pdev); | |
4585 | disable_dev: | |
4586 | pci_disable_device(pdev); | |
4587 | do_none: | |
c4ca2374 | 4588 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
6b7c5b94 SP |
4589 | return status; |
4590 | } | |
4591 | ||
4592 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) | |
4593 | { | |
4594 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4595 | struct net_device *netdev = adapter->netdev; | |
4596 | ||
71d8d1b5 AK |
4597 | if (adapter->wol) |
4598 | be_setup_wol(adapter, true); | |
4599 | ||
d4360d6f | 4600 | be_intr_set(adapter, false); |
f67ef7ba PR |
4601 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
4602 | ||
6b7c5b94 SP |
4603 | netif_device_detach(netdev); |
4604 | if (netif_running(netdev)) { | |
4605 | rtnl_lock(); | |
4606 | be_close(netdev); | |
4607 | rtnl_unlock(); | |
4608 | } | |
9b0365f1 | 4609 | be_clear(adapter); |
6b7c5b94 SP |
4610 | |
4611 | pci_save_state(pdev); | |
4612 | pci_disable_device(pdev); | |
4613 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
4614 | return 0; | |
4615 | } | |
4616 | ||
4617 | static int be_resume(struct pci_dev *pdev) | |
4618 | { | |
4619 | int status = 0; | |
4620 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4621 | struct net_device *netdev = adapter->netdev; | |
4622 | ||
4623 | netif_device_detach(netdev); | |
4624 | ||
4625 | status = pci_enable_device(pdev); | |
4626 | if (status) | |
4627 | return status; | |
4628 | ||
1ca01512 | 4629 | pci_set_power_state(pdev, PCI_D0); |
6b7c5b94 SP |
4630 | pci_restore_state(pdev); |
4631 | ||
dd5746bf SB |
4632 | status = be_fw_wait_ready(adapter); |
4633 | if (status) | |
4634 | return status; | |
4635 | ||
d4360d6f | 4636 | be_intr_set(adapter, true); |
2243e2e9 SP |
4637 | /* tell fw we're ready to fire cmds */ |
4638 | status = be_cmd_fw_init(adapter); | |
4639 | if (status) | |
4640 | return status; | |
4641 | ||
9b0365f1 | 4642 | be_setup(adapter); |
6b7c5b94 SP |
4643 | if (netif_running(netdev)) { |
4644 | rtnl_lock(); | |
4645 | be_open(netdev); | |
4646 | rtnl_unlock(); | |
4647 | } | |
f67ef7ba PR |
4648 | |
4649 | schedule_delayed_work(&adapter->func_recovery_work, | |
4650 | msecs_to_jiffies(1000)); | |
6b7c5b94 | 4651 | netif_device_attach(netdev); |
71d8d1b5 AK |
4652 | |
4653 | if (adapter->wol) | |
4654 | be_setup_wol(adapter, false); | |
a4ca055f | 4655 | |
6b7c5b94 SP |
4656 | return 0; |
4657 | } | |
4658 | ||
82456b03 SP |
4659 | /* |
4660 | * An FLR will stop BE from DMAing any data. | |
4661 | */ | |
4662 | static void be_shutdown(struct pci_dev *pdev) | |
4663 | { | |
4664 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
82456b03 | 4665 | |
2d5d4154 AK |
4666 | if (!adapter) |
4667 | return; | |
82456b03 | 4668 | |
0f4a6828 | 4669 | cancel_delayed_work_sync(&adapter->work); |
f67ef7ba | 4670 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
a4ca055f | 4671 | |
2d5d4154 | 4672 | netif_device_detach(adapter->netdev); |
82456b03 | 4673 | |
57841869 AK |
4674 | be_cmd_reset_function(adapter); |
4675 | ||
82456b03 | 4676 | pci_disable_device(pdev); |
82456b03 SP |
4677 | } |
4678 | ||
cf588477 SP |
4679 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
4680 | pci_channel_state_t state) | |
4681 | { | |
4682 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4683 | struct net_device *netdev = adapter->netdev; | |
4684 | ||
4685 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); | |
4686 | ||
01e5b2c4 SK |
4687 | if (!adapter->eeh_error) { |
4688 | adapter->eeh_error = true; | |
cf588477 | 4689 | |
01e5b2c4 | 4690 | cancel_delayed_work_sync(&adapter->func_recovery_work); |
cf588477 | 4691 | |
cf588477 | 4692 | rtnl_lock(); |
01e5b2c4 SK |
4693 | netif_device_detach(netdev); |
4694 | if (netif_running(netdev)) | |
4695 | be_close(netdev); | |
cf588477 | 4696 | rtnl_unlock(); |
01e5b2c4 SK |
4697 | |
4698 | be_clear(adapter); | |
cf588477 | 4699 | } |
cf588477 SP |
4700 | |
4701 | if (state == pci_channel_io_perm_failure) | |
4702 | return PCI_ERS_RESULT_DISCONNECT; | |
4703 | ||
4704 | pci_disable_device(pdev); | |
4705 | ||
eeb7fc7b SK |
4706 | /* The error could cause the FW to trigger a flash debug dump. |
4707 | * Resetting the card while flash dump is in progress | |
c8a54163 PR |
4708 | * can cause it not to recover; wait for it to finish. |
4709 | * Wait only for first function as it is needed only once per | |
4710 | * adapter. | |
eeb7fc7b | 4711 | */ |
c8a54163 PR |
4712 | if (pdev->devfn == 0) |
4713 | ssleep(30); | |
4714 | ||
cf588477 SP |
4715 | return PCI_ERS_RESULT_NEED_RESET; |
4716 | } | |
4717 | ||
4718 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) | |
4719 | { | |
4720 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4721 | int status; | |
4722 | ||
4723 | dev_info(&adapter->pdev->dev, "EEH reset\n"); | |
cf588477 SP |
4724 | |
4725 | status = pci_enable_device(pdev); | |
4726 | if (status) | |
4727 | return PCI_ERS_RESULT_DISCONNECT; | |
4728 | ||
4729 | pci_set_master(pdev); | |
1ca01512 | 4730 | pci_set_power_state(pdev, PCI_D0); |
cf588477 SP |
4731 | pci_restore_state(pdev); |
4732 | ||
4733 | /* Check if card is ok and fw is ready */ | |
c5b3ad4c SP |
4734 | dev_info(&adapter->pdev->dev, |
4735 | "Waiting for FW to be ready after EEH reset\n"); | |
bf99e50d | 4736 | status = be_fw_wait_ready(adapter); |
cf588477 SP |
4737 | if (status) |
4738 | return PCI_ERS_RESULT_DISCONNECT; | |
4739 | ||
d6b6d987 | 4740 | pci_cleanup_aer_uncorrect_error_status(pdev); |
01e5b2c4 | 4741 | be_clear_all_error(adapter); |
cf588477 SP |
4742 | return PCI_ERS_RESULT_RECOVERED; |
4743 | } | |
4744 | ||
4745 | static void be_eeh_resume(struct pci_dev *pdev) | |
4746 | { | |
4747 | int status = 0; | |
4748 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
4749 | struct net_device *netdev = adapter->netdev; | |
4750 | ||
4751 | dev_info(&adapter->pdev->dev, "EEH resume\n"); | |
4752 | ||
4753 | pci_save_state(pdev); | |
4754 | ||
2d177be8 | 4755 | status = be_cmd_reset_function(adapter); |
cf588477 SP |
4756 | if (status) |
4757 | goto err; | |
4758 | ||
2d177be8 KA |
4759 | /* tell fw we're ready to fire cmds */ |
4760 | status = be_cmd_fw_init(adapter); | |
bf99e50d PR |
4761 | if (status) |
4762 | goto err; | |
4763 | ||
cf588477 SP |
4764 | status = be_setup(adapter); |
4765 | if (status) | |
4766 | goto err; | |
4767 | ||
4768 | if (netif_running(netdev)) { | |
4769 | status = be_open(netdev); | |
4770 | if (status) | |
4771 | goto err; | |
4772 | } | |
f67ef7ba PR |
4773 | |
4774 | schedule_delayed_work(&adapter->func_recovery_work, | |
4775 | msecs_to_jiffies(1000)); | |
cf588477 SP |
4776 | netif_device_attach(netdev); |
4777 | return; | |
4778 | err: | |
4779 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); | |
cf588477 SP |
4780 | } |
4781 | ||
3646f0e5 | 4782 | static const struct pci_error_handlers be_eeh_handlers = { |
cf588477 SP |
4783 | .error_detected = be_eeh_err_detected, |
4784 | .slot_reset = be_eeh_reset, | |
4785 | .resume = be_eeh_resume, | |
4786 | }; | |
4787 | ||
6b7c5b94 SP |
4788 | static struct pci_driver be_driver = { |
4789 | .name = DRV_NAME, | |
4790 | .id_table = be_dev_ids, | |
4791 | .probe = be_probe, | |
4792 | .remove = be_remove, | |
4793 | .suspend = be_suspend, | |
cf588477 | 4794 | .resume = be_resume, |
82456b03 | 4795 | .shutdown = be_shutdown, |
cf588477 | 4796 | .err_handler = &be_eeh_handlers |
6b7c5b94 SP |
4797 | }; |
4798 | ||
4799 | static int __init be_init_module(void) | |
4800 | { | |
8e95a202 JP |
4801 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
4802 | rx_frag_size != 2048) { | |
6b7c5b94 SP |
4803 | printk(KERN_WARNING DRV_NAME |
4804 | " : Module param rx_frag_size must be 2048/4096/8192." | |
4805 | " Using 2048\n"); | |
4806 | rx_frag_size = 2048; | |
4807 | } | |
6b7c5b94 SP |
4808 | |
4809 | return pci_register_driver(&be_driver); | |
4810 | } | |
4811 | module_init(be_init_module); | |
4812 | ||
4813 | static void __exit be_exit_module(void) | |
4814 | { | |
4815 | pci_unregister_driver(&be_driver); | |
4816 | } | |
4817 | module_exit(be_exit_module); |