Commit | Line | Data |
---|---|---|
6b7c5b94 | 1 | /* |
d2145cde | 2 | * Copyright (C) 2005 - 2011 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> |
6b7c5b94 | 19 | #include "be.h" |
8788fdc2 | 20 | #include "be_cmds.h" |
65f71b8b | 21 | #include <asm/div64.h> |
6b7c5b94 SP |
22 | |
23 | MODULE_VERSION(DRV_VER); | |
24 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
25 | MODULE_DESCRIPTION(DRV_DESC " " DRV_VER); | |
26 | MODULE_AUTHOR("ServerEngines Corporation"); | |
27 | MODULE_LICENSE("GPL"); | |
28 | ||
2e588f84 | 29 | static ushort rx_frag_size = 2048; |
ba343c77 | 30 | static unsigned int num_vfs; |
2e588f84 | 31 | module_param(rx_frag_size, ushort, S_IRUGO); |
ba343c77 | 32 | module_param(num_vfs, uint, S_IRUGO); |
6b7c5b94 | 33 | MODULE_PARM_DESC(rx_frag_size, "Size of a fragment that holds rcvd data."); |
ba343c77 | 34 | MODULE_PARM_DESC(num_vfs, "Number of PCI VFs to initialize"); |
6b7c5b94 | 35 | |
6b7c5b94 | 36 | static DEFINE_PCI_DEVICE_TABLE(be_dev_ids) = { |
c4ca2374 | 37 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID1) }, |
59fd5d87 | 38 | { PCI_DEVICE(BE_VENDOR_ID, BE_DEVICE_ID2) }, |
c4ca2374 AK |
39 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID1) }, |
40 | { PCI_DEVICE(BE_VENDOR_ID, OC_DEVICE_ID2) }, | |
fe6d2a38 | 41 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID3)}, |
12f4d0a8 | 42 | { PCI_DEVICE(EMULEX_VENDOR_ID, OC_DEVICE_ID4)}, |
6b7c5b94 SP |
43 | { 0 } |
44 | }; | |
45 | MODULE_DEVICE_TABLE(pci, be_dev_ids); | |
7c185276 AK |
46 | /* UE Status Low CSR */ |
47 | static char *ue_status_low_desc[] = { | |
48 | "CEV", | |
49 | "CTX", | |
50 | "DBUF", | |
51 | "ERX", | |
52 | "Host", | |
53 | "MPU", | |
54 | "NDMA", | |
55 | "PTC ", | |
56 | "RDMA ", | |
57 | "RXF ", | |
58 | "RXIPS ", | |
59 | "RXULP0 ", | |
60 | "RXULP1 ", | |
61 | "RXULP2 ", | |
62 | "TIM ", | |
63 | "TPOST ", | |
64 | "TPRE ", | |
65 | "TXIPS ", | |
66 | "TXULP0 ", | |
67 | "TXULP1 ", | |
68 | "UC ", | |
69 | "WDMA ", | |
70 | "TXULP2 ", | |
71 | "HOST1 ", | |
72 | "P0_OB_LINK ", | |
73 | "P1_OB_LINK ", | |
74 | "HOST_GPIO ", | |
75 | "MBOX ", | |
76 | "AXGMAC0", | |
77 | "AXGMAC1", | |
78 | "JTAG", | |
79 | "MPU_INTPEND" | |
80 | }; | |
81 | /* UE Status High CSR */ | |
82 | static char *ue_status_hi_desc[] = { | |
83 | "LPCMEMHOST", | |
84 | "MGMT_MAC", | |
85 | "PCS0ONLINE", | |
86 | "MPU_IRAM", | |
87 | "PCS1ONLINE", | |
88 | "PCTL0", | |
89 | "PCTL1", | |
90 | "PMEM", | |
91 | "RR", | |
92 | "TXPB", | |
93 | "RXPP", | |
94 | "XAUI", | |
95 | "TXP", | |
96 | "ARM", | |
97 | "IPC", | |
98 | "HOST2", | |
99 | "HOST3", | |
100 | "HOST4", | |
101 | "HOST5", | |
102 | "HOST6", | |
103 | "HOST7", | |
104 | "HOST8", | |
105 | "HOST9", | |
106 | "NETC" | |
107 | "Unknown", | |
108 | "Unknown", | |
109 | "Unknown", | |
110 | "Unknown", | |
111 | "Unknown", | |
112 | "Unknown", | |
113 | "Unknown", | |
114 | "Unknown" | |
115 | }; | |
6b7c5b94 SP |
116 | |
117 | static void be_queue_free(struct be_adapter *adapter, struct be_queue_info *q) | |
118 | { | |
119 | struct be_dma_mem *mem = &q->dma_mem; | |
120 | if (mem->va) | |
2b7bcebf IV |
121 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
122 | mem->dma); | |
6b7c5b94 SP |
123 | } |
124 | ||
125 | static int be_queue_alloc(struct be_adapter *adapter, struct be_queue_info *q, | |
126 | u16 len, u16 entry_size) | |
127 | { | |
128 | struct be_dma_mem *mem = &q->dma_mem; | |
129 | ||
130 | memset(q, 0, sizeof(*q)); | |
131 | q->len = len; | |
132 | q->entry_size = entry_size; | |
133 | mem->size = len * entry_size; | |
2b7bcebf IV |
134 | mem->va = dma_alloc_coherent(&adapter->pdev->dev, mem->size, &mem->dma, |
135 | GFP_KERNEL); | |
6b7c5b94 SP |
136 | if (!mem->va) |
137 | return -1; | |
138 | memset(mem->va, 0, mem->size); | |
139 | return 0; | |
140 | } | |
141 | ||
8788fdc2 | 142 | static void be_intr_set(struct be_adapter *adapter, bool enable) |
6b7c5b94 | 143 | { |
8788fdc2 | 144 | u8 __iomem *addr = adapter->pcicfg + PCICFG_MEMBAR_CTRL_INT_CTRL_OFFSET; |
6b7c5b94 SP |
145 | u32 reg = ioread32(addr); |
146 | u32 enabled = reg & MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; | |
5f0b849e | 147 | |
cf588477 SP |
148 | if (adapter->eeh_err) |
149 | return; | |
150 | ||
5f0b849e | 151 | if (!enabled && enable) |
6b7c5b94 | 152 | reg |= MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 153 | else if (enabled && !enable) |
6b7c5b94 | 154 | reg &= ~MEMBAR_CTRL_INT_CTRL_HOSTINTR_MASK; |
5f0b849e | 155 | else |
6b7c5b94 | 156 | return; |
5f0b849e | 157 | |
6b7c5b94 SP |
158 | iowrite32(reg, addr); |
159 | } | |
160 | ||
8788fdc2 | 161 | static void be_rxq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
162 | { |
163 | u32 val = 0; | |
164 | val |= qid & DB_RQ_RING_ID_MASK; | |
165 | val |= posted << DB_RQ_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
166 | |
167 | wmb(); | |
8788fdc2 | 168 | iowrite32(val, adapter->db + DB_RQ_OFFSET); |
6b7c5b94 SP |
169 | } |
170 | ||
8788fdc2 | 171 | static void be_txq_notify(struct be_adapter *adapter, u16 qid, u16 posted) |
6b7c5b94 SP |
172 | { |
173 | u32 val = 0; | |
174 | val |= qid & DB_TXULP_RING_ID_MASK; | |
175 | val |= (posted & DB_TXULP_NUM_POSTED_MASK) << DB_TXULP_NUM_POSTED_SHIFT; | |
f3eb62d2 SP |
176 | |
177 | wmb(); | |
8788fdc2 | 178 | iowrite32(val, adapter->db + DB_TXULP1_OFFSET); |
6b7c5b94 SP |
179 | } |
180 | ||
8788fdc2 | 181 | static void be_eq_notify(struct be_adapter *adapter, u16 qid, |
6b7c5b94 SP |
182 | bool arm, bool clear_int, u16 num_popped) |
183 | { | |
184 | u32 val = 0; | |
185 | val |= qid & DB_EQ_RING_ID_MASK; | |
fe6d2a38 SP |
186 | val |= ((qid & DB_EQ_RING_ID_EXT_MASK) << |
187 | DB_EQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
188 | |
189 | if (adapter->eeh_err) | |
190 | return; | |
191 | ||
6b7c5b94 SP |
192 | if (arm) |
193 | val |= 1 << DB_EQ_REARM_SHIFT; | |
194 | if (clear_int) | |
195 | val |= 1 << DB_EQ_CLR_SHIFT; | |
196 | val |= 1 << DB_EQ_EVNT_SHIFT; | |
197 | val |= num_popped << DB_EQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 198 | iowrite32(val, adapter->db + DB_EQ_OFFSET); |
6b7c5b94 SP |
199 | } |
200 | ||
8788fdc2 | 201 | void be_cq_notify(struct be_adapter *adapter, u16 qid, bool arm, u16 num_popped) |
6b7c5b94 SP |
202 | { |
203 | u32 val = 0; | |
204 | val |= qid & DB_CQ_RING_ID_MASK; | |
fe6d2a38 SP |
205 | val |= ((qid & DB_CQ_RING_ID_EXT_MASK) << |
206 | DB_CQ_RING_ID_EXT_MASK_SHIFT); | |
cf588477 SP |
207 | |
208 | if (adapter->eeh_err) | |
209 | return; | |
210 | ||
6b7c5b94 SP |
211 | if (arm) |
212 | val |= 1 << DB_CQ_REARM_SHIFT; | |
213 | val |= num_popped << DB_CQ_NUM_POPPED_SHIFT; | |
8788fdc2 | 214 | iowrite32(val, adapter->db + DB_CQ_OFFSET); |
6b7c5b94 SP |
215 | } |
216 | ||
6b7c5b94 SP |
217 | static int be_mac_addr_set(struct net_device *netdev, void *p) |
218 | { | |
219 | struct be_adapter *adapter = netdev_priv(netdev); | |
220 | struct sockaddr *addr = p; | |
221 | int status = 0; | |
222 | ||
ca9e4988 AK |
223 | if (!is_valid_ether_addr(addr->sa_data)) |
224 | return -EADDRNOTAVAIL; | |
225 | ||
ba343c77 SB |
226 | /* MAC addr configuration will be done in hardware for VFs |
227 | * by their corresponding PFs. Just copy to netdev addr here | |
228 | */ | |
229 | if (!be_physfn(adapter)) | |
230 | goto netdev_addr; | |
231 | ||
f8617e08 AK |
232 | status = be_cmd_pmac_del(adapter, adapter->if_handle, |
233 | adapter->pmac_id, 0); | |
a65027e4 SP |
234 | if (status) |
235 | return status; | |
6b7c5b94 | 236 | |
a65027e4 | 237 | status = be_cmd_pmac_add(adapter, (u8 *)addr->sa_data, |
f8617e08 | 238 | adapter->if_handle, &adapter->pmac_id, 0); |
ba343c77 | 239 | netdev_addr: |
6b7c5b94 SP |
240 | if (!status) |
241 | memcpy(netdev->dev_addr, addr->sa_data, netdev->addr_len); | |
242 | ||
243 | return status; | |
244 | } | |
245 | ||
89a88ab8 AK |
246 | static void populate_be2_stats(struct be_adapter *adapter) |
247 | { | |
248 | ||
249 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
250 | struct be_pmem_stats *pmem_sts = be_pmem_stats_from_cmd(adapter); | |
251 | struct be_port_rxf_stats_v0 *port_stats = | |
252 | be_port_rxf_stats_from_cmd(adapter); | |
253 | struct be_rxf_stats_v0 *rxf_stats = | |
254 | be_rxf_stats_from_cmd(adapter); | |
255 | ||
256 | drvs->rx_pause_frames = port_stats->rx_pause_frames; | |
257 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
258 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
259 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
260 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
261 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
262 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
263 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
264 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
265 | drvs->rxpp_fifo_overflow_drop = port_stats->rx_fifo_overflow; | |
266 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
267 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
268 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
269 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
270 | drvs->rx_input_fifo_overflow_drop = | |
271 | port_stats->rx_input_fifo_overflow; | |
272 | drvs->rx_dropped_header_too_small = | |
273 | port_stats->rx_dropped_header_too_small; | |
274 | drvs->rx_address_match_errors = | |
275 | port_stats->rx_address_match_errors; | |
276 | drvs->rx_alignment_symbol_errors = | |
277 | port_stats->rx_alignment_symbol_errors; | |
278 | ||
279 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | |
280 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
281 | ||
282 | if (adapter->port_num) | |
283 | drvs->jabber_events = | |
284 | rxf_stats->port1_jabber_events; | |
285 | else | |
286 | drvs->jabber_events = | |
287 | rxf_stats->port0_jabber_events; | |
288 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | |
289 | drvs->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb; | |
290 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; | |
291 | drvs->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring; | |
292 | drvs->forwarded_packets = rxf_stats->forwarded_packets; | |
293 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
294 | drvs->rx_drops_no_tpre_descr = | |
295 | rxf_stats->rx_drops_no_tpre_descr; | |
296 | drvs->rx_drops_too_many_frags = | |
297 | rxf_stats->rx_drops_too_many_frags; | |
298 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; | |
299 | } | |
300 | ||
301 | static void populate_be3_stats(struct be_adapter *adapter) | |
302 | { | |
303 | struct be_drv_stats *drvs = &adapter->drv_stats; | |
304 | struct be_pmem_stats *pmem_sts = be_pmem_stats_from_cmd(adapter); | |
305 | ||
306 | struct be_rxf_stats_v1 *rxf_stats = | |
307 | be_rxf_stats_from_cmd(adapter); | |
308 | struct be_port_rxf_stats_v1 *port_stats = | |
309 | be_port_rxf_stats_from_cmd(adapter); | |
310 | ||
311 | drvs->rx_priority_pause_frames = 0; | |
312 | drvs->pmem_fifo_overflow_drop = 0; | |
313 | drvs->rx_pause_frames = port_stats->rx_pause_frames; | |
314 | drvs->rx_crc_errors = port_stats->rx_crc_errors; | |
315 | drvs->rx_control_frames = port_stats->rx_control_frames; | |
316 | drvs->rx_in_range_errors = port_stats->rx_in_range_errors; | |
317 | drvs->rx_frame_too_long = port_stats->rx_frame_too_long; | |
318 | drvs->rx_dropped_runt = port_stats->rx_dropped_runt; | |
319 | drvs->rx_ip_checksum_errs = port_stats->rx_ip_checksum_errs; | |
320 | drvs->rx_tcp_checksum_errs = port_stats->rx_tcp_checksum_errs; | |
321 | drvs->rx_udp_checksum_errs = port_stats->rx_udp_checksum_errs; | |
322 | drvs->rx_dropped_tcp_length = port_stats->rx_dropped_tcp_length; | |
323 | drvs->rx_dropped_too_small = port_stats->rx_dropped_too_small; | |
324 | drvs->rx_dropped_too_short = port_stats->rx_dropped_too_short; | |
325 | drvs->rx_out_range_errors = port_stats->rx_out_range_errors; | |
326 | drvs->rx_dropped_header_too_small = | |
327 | port_stats->rx_dropped_header_too_small; | |
328 | drvs->rx_input_fifo_overflow_drop = | |
329 | port_stats->rx_input_fifo_overflow_drop; | |
330 | drvs->rx_address_match_errors = | |
331 | port_stats->rx_address_match_errors; | |
332 | drvs->rx_alignment_symbol_errors = | |
333 | port_stats->rx_alignment_symbol_errors; | |
334 | drvs->rxpp_fifo_overflow_drop = | |
335 | port_stats->rxpp_fifo_overflow_drop; | |
336 | drvs->tx_pauseframes = port_stats->tx_pauseframes; | |
337 | drvs->tx_controlframes = port_stats->tx_controlframes; | |
338 | drvs->jabber_events = port_stats->jabber_events; | |
339 | drvs->rx_drops_no_pbuf = rxf_stats->rx_drops_no_pbuf; | |
340 | drvs->rx_drops_no_txpb = rxf_stats->rx_drops_no_txpb; | |
341 | drvs->rx_drops_no_erx_descr = rxf_stats->rx_drops_no_erx_descr; | |
342 | drvs->rx_drops_invalid_ring = rxf_stats->rx_drops_invalid_ring; | |
343 | drvs->forwarded_packets = rxf_stats->forwarded_packets; | |
344 | drvs->rx_drops_mtu = rxf_stats->rx_drops_mtu; | |
345 | drvs->rx_drops_no_tpre_descr = | |
346 | rxf_stats->rx_drops_no_tpre_descr; | |
347 | drvs->rx_drops_too_many_frags = | |
348 | rxf_stats->rx_drops_too_many_frags; | |
349 | adapter->drv_stats.eth_red_drops = pmem_sts->eth_red_drops; | |
350 | } | |
351 | ||
005d5696 SX |
352 | static void populate_lancer_stats(struct be_adapter *adapter) |
353 | { | |
89a88ab8 | 354 | |
005d5696 SX |
355 | struct be_drv_stats *drvs = &adapter->drv_stats; |
356 | struct lancer_cmd_pport_stats *pport_stats = pport_stats_from_cmd | |
357 | (adapter); | |
358 | drvs->rx_priority_pause_frames = 0; | |
359 | drvs->pmem_fifo_overflow_drop = 0; | |
360 | drvs->rx_pause_frames = | |
aedfebba SX |
361 | make_64bit_val(pport_stats->rx_pause_frames_hi, |
362 | pport_stats->rx_pause_frames_lo); | |
005d5696 SX |
363 | drvs->rx_crc_errors = make_64bit_val(pport_stats->rx_crc_errors_hi, |
364 | pport_stats->rx_crc_errors_lo); | |
365 | drvs->rx_control_frames = | |
366 | make_64bit_val(pport_stats->rx_control_frames_hi, | |
367 | pport_stats->rx_control_frames_lo); | |
368 | drvs->rx_in_range_errors = pport_stats->rx_in_range_errors; | |
369 | drvs->rx_frame_too_long = | |
370 | make_64bit_val(pport_stats->rx_internal_mac_errors_hi, | |
371 | pport_stats->rx_frames_too_long_lo); | |
372 | drvs->rx_dropped_runt = pport_stats->rx_dropped_runt; | |
373 | drvs->rx_ip_checksum_errs = pport_stats->rx_ip_checksum_errors; | |
374 | drvs->rx_tcp_checksum_errs = pport_stats->rx_tcp_checksum_errors; | |
375 | drvs->rx_udp_checksum_errs = pport_stats->rx_udp_checksum_errors; | |
376 | drvs->rx_dropped_tcp_length = | |
377 | pport_stats->rx_dropped_invalid_tcp_length; | |
378 | drvs->rx_dropped_too_small = pport_stats->rx_dropped_too_small; | |
379 | drvs->rx_dropped_too_short = pport_stats->rx_dropped_too_short; | |
380 | drvs->rx_out_range_errors = pport_stats->rx_out_of_range_errors; | |
381 | drvs->rx_dropped_header_too_small = | |
382 | pport_stats->rx_dropped_header_too_small; | |
383 | drvs->rx_input_fifo_overflow_drop = pport_stats->rx_fifo_overflow; | |
384 | drvs->rx_address_match_errors = pport_stats->rx_address_match_errors; | |
385 | drvs->rx_alignment_symbol_errors = | |
386 | make_64bit_val(pport_stats->rx_symbol_errors_hi, | |
387 | pport_stats->rx_symbol_errors_lo); | |
388 | drvs->rxpp_fifo_overflow_drop = pport_stats->rx_fifo_overflow; | |
389 | drvs->tx_pauseframes = make_64bit_val(pport_stats->tx_pause_frames_hi, | |
390 | pport_stats->tx_pause_frames_lo); | |
391 | drvs->tx_controlframes = | |
392 | make_64bit_val(pport_stats->tx_control_frames_hi, | |
393 | pport_stats->tx_control_frames_lo); | |
394 | drvs->jabber_events = pport_stats->rx_jabbers; | |
395 | drvs->rx_drops_no_pbuf = 0; | |
396 | drvs->rx_drops_no_txpb = 0; | |
397 | drvs->rx_drops_no_erx_descr = 0; | |
398 | drvs->rx_drops_invalid_ring = pport_stats->rx_drops_invalid_queue; | |
399 | drvs->forwarded_packets = make_64bit_val(pport_stats->num_forwards_hi, | |
400 | pport_stats->num_forwards_lo); | |
401 | drvs->rx_drops_mtu = make_64bit_val(pport_stats->rx_drops_mtu_hi, | |
402 | pport_stats->rx_drops_mtu_lo); | |
403 | drvs->rx_drops_no_tpre_descr = 0; | |
404 | drvs->rx_drops_too_many_frags = | |
405 | make_64bit_val(pport_stats->rx_drops_too_many_frags_hi, | |
406 | pport_stats->rx_drops_too_many_frags_lo); | |
407 | } | |
89a88ab8 AK |
408 | |
409 | void be_parse_stats(struct be_adapter *adapter) | |
410 | { | |
005d5696 SX |
411 | if (adapter->generation == BE_GEN3) { |
412 | if (lancer_chip(adapter)) | |
413 | populate_lancer_stats(adapter); | |
414 | else | |
415 | populate_be3_stats(adapter); | |
416 | } else { | |
89a88ab8 | 417 | populate_be2_stats(adapter); |
005d5696 | 418 | } |
89a88ab8 AK |
419 | } |
420 | ||
b31c50a7 | 421 | void netdev_stats_update(struct be_adapter *adapter) |
6b7c5b94 | 422 | { |
89a88ab8 | 423 | struct be_drv_stats *drvs = &adapter->drv_stats; |
78122a52 | 424 | struct net_device_stats *dev_stats = &adapter->netdev->stats; |
3abcdeda | 425 | struct be_rx_obj *rxo; |
3c8def97 | 426 | struct be_tx_obj *txo; |
6e53391c | 427 | unsigned long pkts = 0, bytes = 0, mcast = 0, drops = 0; |
3abcdeda | 428 | int i; |
6b7c5b94 | 429 | |
3abcdeda | 430 | for_all_rx_queues(adapter, rxo, i) { |
6e53391c SP |
431 | pkts += rx_stats(rxo)->rx_pkts; |
432 | bytes += rx_stats(rxo)->rx_bytes; | |
433 | mcast += rx_stats(rxo)->rx_mcast_pkts; | |
3abcdeda | 434 | /* no space in linux buffers: best possible approximation */ |
89a88ab8 | 435 | if (adapter->generation == BE_GEN3) { |
005d5696 | 436 | if (!(lancer_chip(adapter))) { |
6e53391c | 437 | struct be_erx_stats_v1 *erx = |
89a88ab8 | 438 | be_erx_stats_from_cmd(adapter); |
6e53391c | 439 | drops += erx->rx_drops_no_fragments[rxo->q.id]; |
005d5696 | 440 | } |
89a88ab8 | 441 | } else { |
6e53391c | 442 | struct be_erx_stats_v0 *erx = |
89a88ab8 | 443 | be_erx_stats_from_cmd(adapter); |
6e53391c | 444 | drops += erx->rx_drops_no_fragments[rxo->q.id]; |
89a88ab8 | 445 | } |
3abcdeda | 446 | } |
6e53391c SP |
447 | dev_stats->rx_packets = pkts; |
448 | dev_stats->rx_bytes = bytes; | |
449 | dev_stats->multicast = mcast; | |
450 | dev_stats->rx_dropped = drops; | |
3abcdeda | 451 | |
6e53391c | 452 | pkts = bytes = 0; |
3c8def97 | 453 | for_all_tx_queues(adapter, txo, i) { |
6e53391c SP |
454 | pkts += tx_stats(txo)->be_tx_pkts; |
455 | bytes += tx_stats(txo)->be_tx_bytes; | |
3c8def97 | 456 | } |
6e53391c SP |
457 | dev_stats->tx_packets = pkts; |
458 | dev_stats->tx_bytes = bytes; | |
6b7c5b94 SP |
459 | |
460 | /* bad pkts received */ | |
89a88ab8 AK |
461 | dev_stats->rx_errors = drvs->rx_crc_errors + |
462 | drvs->rx_alignment_symbol_errors + | |
463 | drvs->rx_in_range_errors + | |
464 | drvs->rx_out_range_errors + | |
465 | drvs->rx_frame_too_long + | |
466 | drvs->rx_dropped_too_small + | |
467 | drvs->rx_dropped_too_short + | |
468 | drvs->rx_dropped_header_too_small + | |
469 | drvs->rx_dropped_tcp_length + | |
470 | drvs->rx_dropped_runt + | |
471 | drvs->rx_tcp_checksum_errs + | |
472 | drvs->rx_ip_checksum_errs + | |
473 | drvs->rx_udp_checksum_errs; | |
68110868 | 474 | |
6b7c5b94 | 475 | /* detailed rx errors */ |
89a88ab8 AK |
476 | dev_stats->rx_length_errors = drvs->rx_in_range_errors + |
477 | drvs->rx_out_range_errors + | |
478 | drvs->rx_frame_too_long; | |
68110868 | 479 | |
89a88ab8 | 480 | dev_stats->rx_crc_errors = drvs->rx_crc_errors; |
6b7c5b94 SP |
481 | |
482 | /* frame alignment errors */ | |
89a88ab8 | 483 | dev_stats->rx_frame_errors = drvs->rx_alignment_symbol_errors; |
68110868 | 484 | |
6b7c5b94 SP |
485 | /* receiver fifo overrun */ |
486 | /* drops_no_pbuf is no per i/f, it's per BE card */ | |
89a88ab8 AK |
487 | dev_stats->rx_fifo_errors = drvs->rxpp_fifo_overflow_drop + |
488 | drvs->rx_input_fifo_overflow_drop + | |
489 | drvs->rx_drops_no_pbuf; | |
6b7c5b94 SP |
490 | } |
491 | ||
8788fdc2 | 492 | void be_link_status_update(struct be_adapter *adapter, bool link_up) |
6b7c5b94 | 493 | { |
6b7c5b94 SP |
494 | struct net_device *netdev = adapter->netdev; |
495 | ||
6b7c5b94 | 496 | /* If link came up or went down */ |
a8f447bd | 497 | if (adapter->link_up != link_up) { |
0dffc83e | 498 | adapter->link_speed = -1; |
a8f447bd | 499 | if (link_up) { |
6b7c5b94 SP |
500 | netif_carrier_on(netdev); |
501 | printk(KERN_INFO "%s: Link up\n", netdev->name); | |
a8f447bd | 502 | } else { |
a8f447bd SP |
503 | netif_carrier_off(netdev); |
504 | printk(KERN_INFO "%s: Link down\n", netdev->name); | |
6b7c5b94 | 505 | } |
a8f447bd | 506 | adapter->link_up = link_up; |
6b7c5b94 | 507 | } |
6b7c5b94 SP |
508 | } |
509 | ||
510 | /* Update the EQ delay n BE based on the RX frags consumed / sec */ | |
3abcdeda | 511 | static void be_rx_eqd_update(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 | 512 | { |
3abcdeda SP |
513 | struct be_eq_obj *rx_eq = &rxo->rx_eq; |
514 | struct be_rx_stats *stats = &rxo->stats; | |
4097f663 SP |
515 | ulong now = jiffies; |
516 | u32 eqd; | |
517 | ||
518 | if (!rx_eq->enable_aic) | |
519 | return; | |
520 | ||
521 | /* Wrapped around */ | |
522 | if (time_before(now, stats->rx_fps_jiffies)) { | |
523 | stats->rx_fps_jiffies = now; | |
524 | return; | |
525 | } | |
6b7c5b94 SP |
526 | |
527 | /* Update once a second */ | |
4097f663 | 528 | if ((now - stats->rx_fps_jiffies) < HZ) |
6b7c5b94 SP |
529 | return; |
530 | ||
3abcdeda | 531 | stats->rx_fps = (stats->rx_frags - stats->prev_rx_frags) / |
4097f663 | 532 | ((now - stats->rx_fps_jiffies) / HZ); |
6b7c5b94 | 533 | |
4097f663 | 534 | stats->rx_fps_jiffies = now; |
3abcdeda SP |
535 | stats->prev_rx_frags = stats->rx_frags; |
536 | eqd = stats->rx_fps / 110000; | |
6b7c5b94 SP |
537 | eqd = eqd << 3; |
538 | if (eqd > rx_eq->max_eqd) | |
539 | eqd = rx_eq->max_eqd; | |
540 | if (eqd < rx_eq->min_eqd) | |
541 | eqd = rx_eq->min_eqd; | |
542 | if (eqd < 10) | |
543 | eqd = 0; | |
544 | if (eqd != rx_eq->cur_eqd) | |
8788fdc2 | 545 | be_cmd_modify_eqd(adapter, rx_eq->q.id, eqd); |
6b7c5b94 SP |
546 | |
547 | rx_eq->cur_eqd = eqd; | |
548 | } | |
549 | ||
65f71b8b SH |
550 | static u32 be_calc_rate(u64 bytes, unsigned long ticks) |
551 | { | |
552 | u64 rate = bytes; | |
553 | ||
554 | do_div(rate, ticks / HZ); | |
555 | rate <<= 3; /* bytes/sec -> bits/sec */ | |
556 | do_div(rate, 1000000ul); /* MB/Sec */ | |
557 | ||
558 | return rate; | |
559 | } | |
560 | ||
3c8def97 | 561 | static void be_tx_rate_update(struct be_tx_obj *txo) |
4097f663 | 562 | { |
3c8def97 | 563 | struct be_tx_stats *stats = tx_stats(txo); |
4097f663 SP |
564 | ulong now = jiffies; |
565 | ||
566 | /* Wrapped around? */ | |
567 | if (time_before(now, stats->be_tx_jiffies)) { | |
568 | stats->be_tx_jiffies = now; | |
569 | return; | |
570 | } | |
571 | ||
572 | /* Update tx rate once in two seconds */ | |
573 | if ((now - stats->be_tx_jiffies) > 2 * HZ) { | |
65f71b8b SH |
574 | stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes |
575 | - stats->be_tx_bytes_prev, | |
576 | now - stats->be_tx_jiffies); | |
4097f663 SP |
577 | stats->be_tx_jiffies = now; |
578 | stats->be_tx_bytes_prev = stats->be_tx_bytes; | |
579 | } | |
580 | } | |
581 | ||
3c8def97 | 582 | static void be_tx_stats_update(struct be_tx_obj *txo, |
91992e44 | 583 | u32 wrb_cnt, u32 copied, u32 gso_segs, bool stopped) |
6b7c5b94 | 584 | { |
3c8def97 SP |
585 | struct be_tx_stats *stats = tx_stats(txo); |
586 | ||
6b7c5b94 SP |
587 | stats->be_tx_reqs++; |
588 | stats->be_tx_wrbs += wrb_cnt; | |
589 | stats->be_tx_bytes += copied; | |
91992e44 | 590 | stats->be_tx_pkts += (gso_segs ? gso_segs : 1); |
6b7c5b94 SP |
591 | if (stopped) |
592 | stats->be_tx_stops++; | |
6b7c5b94 SP |
593 | } |
594 | ||
595 | /* Determine number of WRB entries needed to xmit data in an skb */ | |
fe6d2a38 SP |
596 | static u32 wrb_cnt_for_skb(struct be_adapter *adapter, struct sk_buff *skb, |
597 | bool *dummy) | |
6b7c5b94 | 598 | { |
ebc8d2ab DM |
599 | int cnt = (skb->len > skb->data_len); |
600 | ||
601 | cnt += skb_shinfo(skb)->nr_frags; | |
602 | ||
6b7c5b94 SP |
603 | /* to account for hdr wrb */ |
604 | cnt++; | |
fe6d2a38 SP |
605 | if (lancer_chip(adapter) || !(cnt & 1)) { |
606 | *dummy = false; | |
607 | } else { | |
6b7c5b94 SP |
608 | /* add a dummy to make it an even num */ |
609 | cnt++; | |
610 | *dummy = true; | |
fe6d2a38 | 611 | } |
6b7c5b94 SP |
612 | BUG_ON(cnt > BE_MAX_TX_FRAG_COUNT); |
613 | return cnt; | |
614 | } | |
615 | ||
616 | static inline void wrb_fill(struct be_eth_wrb *wrb, u64 addr, int len) | |
617 | { | |
618 | wrb->frag_pa_hi = upper_32_bits(addr); | |
619 | wrb->frag_pa_lo = addr & 0xFFFFFFFF; | |
620 | wrb->frag_len = len & ETH_WRB_FRAG_LEN_MASK; | |
621 | } | |
622 | ||
cc4ce020 SK |
623 | static void wrb_fill_hdr(struct be_adapter *adapter, struct be_eth_hdr_wrb *hdr, |
624 | struct sk_buff *skb, u32 wrb_cnt, u32 len) | |
6b7c5b94 | 625 | { |
cc4ce020 SK |
626 | u8 vlan_prio = 0; |
627 | u16 vlan_tag = 0; | |
628 | ||
6b7c5b94 SP |
629 | memset(hdr, 0, sizeof(*hdr)); |
630 | ||
631 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, crc, hdr, 1); | |
632 | ||
49e4b847 | 633 | if (skb_is_gso(skb)) { |
6b7c5b94 SP |
634 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso, hdr, 1); |
635 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso_mss, | |
636 | hdr, skb_shinfo(skb)->gso_size); | |
fe6d2a38 | 637 | if (skb_is_gso_v6(skb) && !lancer_chip(adapter)) |
49e4b847 | 638 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, lso6, hdr, 1); |
fe6d2a38 SP |
639 | if (lancer_chip(adapter) && adapter->sli_family == |
640 | LANCER_A0_SLI_FAMILY) { | |
641 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, ipcs, hdr, 1); | |
642 | if (is_tcp_pkt(skb)) | |
643 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
644 | tcpcs, hdr, 1); | |
645 | else if (is_udp_pkt(skb)) | |
646 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, | |
647 | udpcs, hdr, 1); | |
648 | } | |
6b7c5b94 SP |
649 | } else if (skb->ip_summed == CHECKSUM_PARTIAL) { |
650 | if (is_tcp_pkt(skb)) | |
651 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, tcpcs, hdr, 1); | |
652 | else if (is_udp_pkt(skb)) | |
653 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, udpcs, hdr, 1); | |
654 | } | |
655 | ||
cc4ce020 | 656 | if (adapter->vlan_grp && vlan_tx_tag_present(skb)) { |
6b7c5b94 | 657 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan, hdr, 1); |
cc4ce020 SK |
658 | vlan_tag = vlan_tx_tag_get(skb); |
659 | vlan_prio = (vlan_tag & VLAN_PRIO_MASK) >> VLAN_PRIO_SHIFT; | |
660 | /* If vlan priority provided by OS is NOT in available bmap */ | |
661 | if (!(adapter->vlan_prio_bmap & (1 << vlan_prio))) | |
662 | vlan_tag = (vlan_tag & ~VLAN_PRIO_MASK) | | |
663 | adapter->recommended_prio; | |
664 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, vlan_tag, hdr, vlan_tag); | |
6b7c5b94 SP |
665 | } |
666 | ||
667 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, event, hdr, 1); | |
668 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, complete, hdr, 1); | |
669 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, num_wrb, hdr, wrb_cnt); | |
670 | AMAP_SET_BITS(struct amap_eth_hdr_wrb, len, hdr, len); | |
671 | } | |
672 | ||
2b7bcebf | 673 | static void unmap_tx_frag(struct device *dev, struct be_eth_wrb *wrb, |
7101e111 SP |
674 | bool unmap_single) |
675 | { | |
676 | dma_addr_t dma; | |
677 | ||
678 | be_dws_le_to_cpu(wrb, sizeof(*wrb)); | |
679 | ||
680 | dma = (u64)wrb->frag_pa_hi << 32 | (u64)wrb->frag_pa_lo; | |
b681ee77 | 681 | if (wrb->frag_len) { |
7101e111 | 682 | if (unmap_single) |
2b7bcebf IV |
683 | dma_unmap_single(dev, dma, wrb->frag_len, |
684 | DMA_TO_DEVICE); | |
7101e111 | 685 | else |
2b7bcebf | 686 | dma_unmap_page(dev, dma, wrb->frag_len, DMA_TO_DEVICE); |
7101e111 SP |
687 | } |
688 | } | |
6b7c5b94 | 689 | |
3c8def97 | 690 | static int make_tx_wrbs(struct be_adapter *adapter, struct be_queue_info *txq, |
6b7c5b94 SP |
691 | struct sk_buff *skb, u32 wrb_cnt, bool dummy_wrb) |
692 | { | |
7101e111 SP |
693 | dma_addr_t busaddr; |
694 | int i, copied = 0; | |
2b7bcebf | 695 | struct device *dev = &adapter->pdev->dev; |
6b7c5b94 | 696 | struct sk_buff *first_skb = skb; |
6b7c5b94 SP |
697 | struct be_eth_wrb *wrb; |
698 | struct be_eth_hdr_wrb *hdr; | |
7101e111 SP |
699 | bool map_single = false; |
700 | u16 map_head; | |
6b7c5b94 | 701 | |
6b7c5b94 SP |
702 | hdr = queue_head_node(txq); |
703 | queue_head_inc(txq); | |
7101e111 | 704 | map_head = txq->head; |
6b7c5b94 | 705 | |
ebc8d2ab | 706 | if (skb->len > skb->data_len) { |
e743d313 | 707 | int len = skb_headlen(skb); |
2b7bcebf IV |
708 | busaddr = dma_map_single(dev, skb->data, len, DMA_TO_DEVICE); |
709 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 SP |
710 | goto dma_err; |
711 | map_single = true; | |
ebc8d2ab DM |
712 | wrb = queue_head_node(txq); |
713 | wrb_fill(wrb, busaddr, len); | |
714 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
715 | queue_head_inc(txq); | |
716 | copied += len; | |
717 | } | |
6b7c5b94 | 718 | |
ebc8d2ab DM |
719 | for (i = 0; i < skb_shinfo(skb)->nr_frags; i++) { |
720 | struct skb_frag_struct *frag = | |
721 | &skb_shinfo(skb)->frags[i]; | |
2b7bcebf IV |
722 | busaddr = dma_map_page(dev, frag->page, frag->page_offset, |
723 | frag->size, DMA_TO_DEVICE); | |
724 | if (dma_mapping_error(dev, busaddr)) | |
7101e111 | 725 | goto dma_err; |
ebc8d2ab DM |
726 | wrb = queue_head_node(txq); |
727 | wrb_fill(wrb, busaddr, frag->size); | |
728 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
729 | queue_head_inc(txq); | |
730 | copied += frag->size; | |
6b7c5b94 SP |
731 | } |
732 | ||
733 | if (dummy_wrb) { | |
734 | wrb = queue_head_node(txq); | |
735 | wrb_fill(wrb, 0, 0); | |
736 | be_dws_cpu_to_le(wrb, sizeof(*wrb)); | |
737 | queue_head_inc(txq); | |
738 | } | |
739 | ||
cc4ce020 | 740 | wrb_fill_hdr(adapter, hdr, first_skb, wrb_cnt, copied); |
6b7c5b94 SP |
741 | be_dws_cpu_to_le(hdr, sizeof(*hdr)); |
742 | ||
743 | return copied; | |
7101e111 SP |
744 | dma_err: |
745 | txq->head = map_head; | |
746 | while (copied) { | |
747 | wrb = queue_head_node(txq); | |
2b7bcebf | 748 | unmap_tx_frag(dev, wrb, map_single); |
7101e111 SP |
749 | map_single = false; |
750 | copied -= wrb->frag_len; | |
751 | queue_head_inc(txq); | |
752 | } | |
753 | return 0; | |
6b7c5b94 SP |
754 | } |
755 | ||
61357325 | 756 | static netdev_tx_t be_xmit(struct sk_buff *skb, |
b31c50a7 | 757 | struct net_device *netdev) |
6b7c5b94 SP |
758 | { |
759 | struct be_adapter *adapter = netdev_priv(netdev); | |
3c8def97 SP |
760 | struct be_tx_obj *txo = &adapter->tx_obj[skb_get_queue_mapping(skb)]; |
761 | struct be_queue_info *txq = &txo->q; | |
6b7c5b94 SP |
762 | u32 wrb_cnt = 0, copied = 0; |
763 | u32 start = txq->head; | |
764 | bool dummy_wrb, stopped = false; | |
765 | ||
fe6d2a38 | 766 | wrb_cnt = wrb_cnt_for_skb(adapter, skb, &dummy_wrb); |
6b7c5b94 | 767 | |
3c8def97 | 768 | copied = make_tx_wrbs(adapter, txq, skb, wrb_cnt, dummy_wrb); |
c190e3c8 AK |
769 | if (copied) { |
770 | /* record the sent skb in the sent_skb table */ | |
3c8def97 SP |
771 | BUG_ON(txo->sent_skb_list[start]); |
772 | txo->sent_skb_list[start] = skb; | |
c190e3c8 AK |
773 | |
774 | /* Ensure txq has space for the next skb; Else stop the queue | |
775 | * *BEFORE* ringing the tx doorbell, so that we serialze the | |
776 | * tx compls of the current transmit which'll wake up the queue | |
777 | */ | |
7101e111 | 778 | atomic_add(wrb_cnt, &txq->used); |
c190e3c8 AK |
779 | if ((BE_MAX_TX_FRAG_COUNT + atomic_read(&txq->used)) >= |
780 | txq->len) { | |
3c8def97 | 781 | netif_stop_subqueue(netdev, skb_get_queue_mapping(skb)); |
c190e3c8 AK |
782 | stopped = true; |
783 | } | |
6b7c5b94 | 784 | |
c190e3c8 | 785 | be_txq_notify(adapter, txq->id, wrb_cnt); |
6b7c5b94 | 786 | |
3c8def97 | 787 | be_tx_stats_update(txo, wrb_cnt, copied, |
91992e44 | 788 | skb_shinfo(skb)->gso_segs, stopped); |
c190e3c8 AK |
789 | } else { |
790 | txq->head = start; | |
791 | dev_kfree_skb_any(skb); | |
6b7c5b94 | 792 | } |
6b7c5b94 SP |
793 | return NETDEV_TX_OK; |
794 | } | |
795 | ||
796 | static int be_change_mtu(struct net_device *netdev, int new_mtu) | |
797 | { | |
798 | struct be_adapter *adapter = netdev_priv(netdev); | |
799 | if (new_mtu < BE_MIN_MTU || | |
34a89b8c AK |
800 | new_mtu > (BE_MAX_JUMBO_FRAME_SIZE - |
801 | (ETH_HLEN + ETH_FCS_LEN))) { | |
6b7c5b94 SP |
802 | dev_info(&adapter->pdev->dev, |
803 | "MTU must be between %d and %d bytes\n", | |
34a89b8c AK |
804 | BE_MIN_MTU, |
805 | (BE_MAX_JUMBO_FRAME_SIZE - (ETH_HLEN + ETH_FCS_LEN))); | |
6b7c5b94 SP |
806 | return -EINVAL; |
807 | } | |
808 | dev_info(&adapter->pdev->dev, "MTU changed from %d to %d bytes\n", | |
809 | netdev->mtu, new_mtu); | |
810 | netdev->mtu = new_mtu; | |
811 | return 0; | |
812 | } | |
813 | ||
814 | /* | |
82903e4b AK |
815 | * A max of 64 (BE_NUM_VLANS_SUPPORTED) vlans can be configured in BE. |
816 | * If the user configures more, place BE in vlan promiscuous mode. | |
6b7c5b94 | 817 | */ |
1da87b7f | 818 | static int be_vid_config(struct be_adapter *adapter, bool vf, u32 vf_num) |
6b7c5b94 | 819 | { |
6b7c5b94 SP |
820 | u16 vtag[BE_NUM_VLANS_SUPPORTED]; |
821 | u16 ntags = 0, i; | |
82903e4b | 822 | int status = 0; |
1da87b7f AK |
823 | u32 if_handle; |
824 | ||
825 | if (vf) { | |
826 | if_handle = adapter->vf_cfg[vf_num].vf_if_handle; | |
827 | vtag[0] = cpu_to_le16(adapter->vf_cfg[vf_num].vf_vlan_tag); | |
828 | status = be_cmd_vlan_config(adapter, if_handle, vtag, 1, 1, 0); | |
829 | } | |
6b7c5b94 | 830 | |
82903e4b | 831 | if (adapter->vlans_added <= adapter->max_vlans) { |
6b7c5b94 | 832 | /* Construct VLAN Table to give to HW */ |
b738127d | 833 | for (i = 0; i < VLAN_N_VID; i++) { |
6b7c5b94 SP |
834 | if (adapter->vlan_tag[i]) { |
835 | vtag[ntags] = cpu_to_le16(i); | |
836 | ntags++; | |
837 | } | |
838 | } | |
b31c50a7 SP |
839 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
840 | vtag, ntags, 1, 0); | |
6b7c5b94 | 841 | } else { |
b31c50a7 SP |
842 | status = be_cmd_vlan_config(adapter, adapter->if_handle, |
843 | NULL, 0, 1, 1); | |
6b7c5b94 | 844 | } |
1da87b7f | 845 | |
b31c50a7 | 846 | return status; |
6b7c5b94 SP |
847 | } |
848 | ||
849 | static void be_vlan_register(struct net_device *netdev, struct vlan_group *grp) | |
850 | { | |
851 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 852 | |
6b7c5b94 | 853 | adapter->vlan_grp = grp; |
6b7c5b94 SP |
854 | } |
855 | ||
856 | static void be_vlan_add_vid(struct net_device *netdev, u16 vid) | |
857 | { | |
858 | struct be_adapter *adapter = netdev_priv(netdev); | |
859 | ||
1da87b7f | 860 | adapter->vlans_added++; |
ba343c77 SB |
861 | if (!be_physfn(adapter)) |
862 | return; | |
863 | ||
6b7c5b94 | 864 | adapter->vlan_tag[vid] = 1; |
82903e4b | 865 | if (adapter->vlans_added <= (adapter->max_vlans + 1)) |
1da87b7f | 866 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
867 | } |
868 | ||
869 | static void be_vlan_rem_vid(struct net_device *netdev, u16 vid) | |
870 | { | |
871 | struct be_adapter *adapter = netdev_priv(netdev); | |
872 | ||
1da87b7f AK |
873 | adapter->vlans_added--; |
874 | vlan_group_set_device(adapter->vlan_grp, vid, NULL); | |
875 | ||
ba343c77 SB |
876 | if (!be_physfn(adapter)) |
877 | return; | |
878 | ||
6b7c5b94 | 879 | adapter->vlan_tag[vid] = 0; |
82903e4b | 880 | if (adapter->vlans_added <= adapter->max_vlans) |
1da87b7f | 881 | be_vid_config(adapter, false, 0); |
6b7c5b94 SP |
882 | } |
883 | ||
24307eef | 884 | static void be_set_multicast_list(struct net_device *netdev) |
6b7c5b94 SP |
885 | { |
886 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 887 | |
24307eef | 888 | if (netdev->flags & IFF_PROMISC) { |
ecd0bf0f | 889 | be_cmd_promiscuous_config(adapter, true); |
24307eef SP |
890 | adapter->promiscuous = true; |
891 | goto done; | |
6b7c5b94 SP |
892 | } |
893 | ||
25985edc | 894 | /* BE was previously in promiscuous mode; disable it */ |
24307eef SP |
895 | if (adapter->promiscuous) { |
896 | adapter->promiscuous = false; | |
ecd0bf0f | 897 | be_cmd_promiscuous_config(adapter, false); |
6b7c5b94 SP |
898 | } |
899 | ||
e7b909a6 | 900 | /* Enable multicast promisc if num configured exceeds what we support */ |
4cd24eaf JP |
901 | if (netdev->flags & IFF_ALLMULTI || |
902 | netdev_mc_count(netdev) > BE_MAX_MC) { | |
0ddf477b | 903 | be_cmd_multicast_set(adapter, adapter->if_handle, NULL, |
e7b909a6 | 904 | &adapter->mc_cmd_mem); |
24307eef | 905 | goto done; |
6b7c5b94 | 906 | } |
6b7c5b94 | 907 | |
0ddf477b | 908 | be_cmd_multicast_set(adapter, adapter->if_handle, netdev, |
f31e50a8 | 909 | &adapter->mc_cmd_mem); |
24307eef SP |
910 | done: |
911 | return; | |
6b7c5b94 SP |
912 | } |
913 | ||
ba343c77 SB |
914 | static int be_set_vf_mac(struct net_device *netdev, int vf, u8 *mac) |
915 | { | |
916 | struct be_adapter *adapter = netdev_priv(netdev); | |
917 | int status; | |
918 | ||
919 | if (!adapter->sriov_enabled) | |
920 | return -EPERM; | |
921 | ||
922 | if (!is_valid_ether_addr(mac) || (vf >= num_vfs)) | |
923 | return -EINVAL; | |
924 | ||
64600ea5 AK |
925 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) |
926 | status = be_cmd_pmac_del(adapter, | |
927 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 928 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
ba343c77 | 929 | |
64600ea5 AK |
930 | status = be_cmd_pmac_add(adapter, mac, |
931 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 932 | &adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
64600ea5 AK |
933 | |
934 | if (status) | |
ba343c77 SB |
935 | dev_err(&adapter->pdev->dev, "MAC %pM set on VF %d Failed\n", |
936 | mac, vf); | |
64600ea5 AK |
937 | else |
938 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
939 | ||
ba343c77 SB |
940 | return status; |
941 | } | |
942 | ||
64600ea5 AK |
943 | static int be_get_vf_config(struct net_device *netdev, int vf, |
944 | struct ifla_vf_info *vi) | |
945 | { | |
946 | struct be_adapter *adapter = netdev_priv(netdev); | |
947 | ||
948 | if (!adapter->sriov_enabled) | |
949 | return -EPERM; | |
950 | ||
951 | if (vf >= num_vfs) | |
952 | return -EINVAL; | |
953 | ||
954 | vi->vf = vf; | |
e1d18735 | 955 | vi->tx_rate = adapter->vf_cfg[vf].vf_tx_rate; |
1da87b7f | 956 | vi->vlan = adapter->vf_cfg[vf].vf_vlan_tag; |
64600ea5 AK |
957 | vi->qos = 0; |
958 | memcpy(&vi->mac, adapter->vf_cfg[vf].vf_mac_addr, ETH_ALEN); | |
959 | ||
960 | return 0; | |
961 | } | |
962 | ||
1da87b7f AK |
963 | static int be_set_vf_vlan(struct net_device *netdev, |
964 | int vf, u16 vlan, u8 qos) | |
965 | { | |
966 | struct be_adapter *adapter = netdev_priv(netdev); | |
967 | int status = 0; | |
968 | ||
969 | if (!adapter->sriov_enabled) | |
970 | return -EPERM; | |
971 | ||
972 | if ((vf >= num_vfs) || (vlan > 4095)) | |
973 | return -EINVAL; | |
974 | ||
975 | if (vlan) { | |
976 | adapter->vf_cfg[vf].vf_vlan_tag = vlan; | |
977 | adapter->vlans_added++; | |
978 | } else { | |
979 | adapter->vf_cfg[vf].vf_vlan_tag = 0; | |
980 | adapter->vlans_added--; | |
981 | } | |
982 | ||
983 | status = be_vid_config(adapter, true, vf); | |
984 | ||
985 | if (status) | |
986 | dev_info(&adapter->pdev->dev, | |
987 | "VLAN %d config on VF %d failed\n", vlan, vf); | |
988 | return status; | |
989 | } | |
990 | ||
e1d18735 AK |
991 | static int be_set_vf_tx_rate(struct net_device *netdev, |
992 | int vf, int rate) | |
993 | { | |
994 | struct be_adapter *adapter = netdev_priv(netdev); | |
995 | int status = 0; | |
996 | ||
997 | if (!adapter->sriov_enabled) | |
998 | return -EPERM; | |
999 | ||
1000 | if ((vf >= num_vfs) || (rate < 0)) | |
1001 | return -EINVAL; | |
1002 | ||
1003 | if (rate > 10000) | |
1004 | rate = 10000; | |
1005 | ||
1006 | adapter->vf_cfg[vf].vf_tx_rate = rate; | |
856c4012 | 1007 | status = be_cmd_set_qos(adapter, rate / 10, vf + 1); |
e1d18735 AK |
1008 | |
1009 | if (status) | |
1010 | dev_info(&adapter->pdev->dev, | |
1011 | "tx rate %d on VF %d failed\n", rate, vf); | |
1012 | return status; | |
1013 | } | |
1014 | ||
3abcdeda | 1015 | static void be_rx_rate_update(struct be_rx_obj *rxo) |
6b7c5b94 | 1016 | { |
3abcdeda | 1017 | struct be_rx_stats *stats = &rxo->stats; |
4097f663 | 1018 | ulong now = jiffies; |
6b7c5b94 | 1019 | |
4097f663 | 1020 | /* Wrapped around */ |
3abcdeda SP |
1021 | if (time_before(now, stats->rx_jiffies)) { |
1022 | stats->rx_jiffies = now; | |
4097f663 SP |
1023 | return; |
1024 | } | |
6b7c5b94 SP |
1025 | |
1026 | /* Update the rate once in two seconds */ | |
3abcdeda | 1027 | if ((now - stats->rx_jiffies) < 2 * HZ) |
6b7c5b94 SP |
1028 | return; |
1029 | ||
3abcdeda SP |
1030 | stats->rx_rate = be_calc_rate(stats->rx_bytes - stats->rx_bytes_prev, |
1031 | now - stats->rx_jiffies); | |
1032 | stats->rx_jiffies = now; | |
1033 | stats->rx_bytes_prev = stats->rx_bytes; | |
6b7c5b94 SP |
1034 | } |
1035 | ||
3abcdeda | 1036 | static void be_rx_stats_update(struct be_rx_obj *rxo, |
2e588f84 | 1037 | struct be_rx_compl_info *rxcp) |
4097f663 | 1038 | { |
3abcdeda | 1039 | struct be_rx_stats *stats = &rxo->stats; |
1ef78abe | 1040 | |
3abcdeda | 1041 | stats->rx_compl++; |
2e588f84 SP |
1042 | stats->rx_frags += rxcp->num_rcvd; |
1043 | stats->rx_bytes += rxcp->pkt_size; | |
3abcdeda | 1044 | stats->rx_pkts++; |
2e588f84 | 1045 | if (rxcp->pkt_type == BE_MULTICAST_PACKET) |
3abcdeda | 1046 | stats->rx_mcast_pkts++; |
2e588f84 SP |
1047 | if (rxcp->err) |
1048 | stats->rxcp_err++; | |
4097f663 SP |
1049 | } |
1050 | ||
2e588f84 | 1051 | static inline bool csum_passed(struct be_rx_compl_info *rxcp) |
728a9972 | 1052 | { |
19fad86f PR |
1053 | /* L4 checksum is not reliable for non TCP/UDP packets. |
1054 | * Also ignore ipcksm for ipv6 pkts */ | |
2e588f84 SP |
1055 | return (rxcp->tcpf || rxcp->udpf) && rxcp->l4_csum && |
1056 | (rxcp->ip_csum || rxcp->ipv6); | |
728a9972 AK |
1057 | } |
1058 | ||
6b7c5b94 | 1059 | static struct be_rx_page_info * |
3abcdeda SP |
1060 | get_rx_page_info(struct be_adapter *adapter, |
1061 | struct be_rx_obj *rxo, | |
1062 | u16 frag_idx) | |
6b7c5b94 SP |
1063 | { |
1064 | struct be_rx_page_info *rx_page_info; | |
3abcdeda | 1065 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1066 | |
3abcdeda | 1067 | rx_page_info = &rxo->page_info_tbl[frag_idx]; |
6b7c5b94 SP |
1068 | BUG_ON(!rx_page_info->page); |
1069 | ||
205859a2 | 1070 | if (rx_page_info->last_page_user) { |
2b7bcebf IV |
1071 | dma_unmap_page(&adapter->pdev->dev, |
1072 | dma_unmap_addr(rx_page_info, bus), | |
1073 | adapter->big_page_size, DMA_FROM_DEVICE); | |
205859a2 AK |
1074 | rx_page_info->last_page_user = false; |
1075 | } | |
6b7c5b94 SP |
1076 | |
1077 | atomic_dec(&rxq->used); | |
1078 | return rx_page_info; | |
1079 | } | |
1080 | ||
1081 | /* Throwaway the data in the Rx completion */ | |
1082 | static void be_rx_compl_discard(struct be_adapter *adapter, | |
3abcdeda | 1083 | struct be_rx_obj *rxo, |
2e588f84 | 1084 | struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1085 | { |
3abcdeda | 1086 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1087 | struct be_rx_page_info *page_info; |
2e588f84 | 1088 | u16 i, num_rcvd = rxcp->num_rcvd; |
6b7c5b94 | 1089 | |
e80d9da6 | 1090 | for (i = 0; i < num_rcvd; i++) { |
2e588f84 | 1091 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
e80d9da6 PR |
1092 | put_page(page_info->page); |
1093 | memset(page_info, 0, sizeof(*page_info)); | |
2e588f84 | 1094 | index_inc(&rxcp->rxq_idx, rxq->len); |
6b7c5b94 SP |
1095 | } |
1096 | } | |
1097 | ||
1098 | /* | |
1099 | * skb_fill_rx_data forms a complete skb for an ether frame | |
1100 | * indicated by rxcp. | |
1101 | */ | |
3abcdeda | 1102 | static void skb_fill_rx_data(struct be_adapter *adapter, struct be_rx_obj *rxo, |
2e588f84 | 1103 | struct sk_buff *skb, struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1104 | { |
3abcdeda | 1105 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 | 1106 | struct be_rx_page_info *page_info; |
2e588f84 SP |
1107 | u16 i, j; |
1108 | u16 hdr_len, curr_frag_len, remaining; | |
6b7c5b94 | 1109 | u8 *start; |
6b7c5b94 | 1110 | |
2e588f84 | 1111 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); |
6b7c5b94 SP |
1112 | start = page_address(page_info->page) + page_info->page_offset; |
1113 | prefetch(start); | |
1114 | ||
1115 | /* Copy data in the first descriptor of this completion */ | |
2e588f84 | 1116 | curr_frag_len = min(rxcp->pkt_size, rx_frag_size); |
6b7c5b94 SP |
1117 | |
1118 | /* Copy the header portion into skb_data */ | |
2e588f84 | 1119 | hdr_len = min(BE_HDR_LEN, curr_frag_len); |
6b7c5b94 SP |
1120 | memcpy(skb->data, start, hdr_len); |
1121 | skb->len = curr_frag_len; | |
1122 | if (curr_frag_len <= BE_HDR_LEN) { /* tiny packet */ | |
1123 | /* Complete packet has now been moved to data */ | |
1124 | put_page(page_info->page); | |
1125 | skb->data_len = 0; | |
1126 | skb->tail += curr_frag_len; | |
1127 | } else { | |
1128 | skb_shinfo(skb)->nr_frags = 1; | |
1129 | skb_shinfo(skb)->frags[0].page = page_info->page; | |
1130 | skb_shinfo(skb)->frags[0].page_offset = | |
1131 | page_info->page_offset + hdr_len; | |
1132 | skb_shinfo(skb)->frags[0].size = curr_frag_len - hdr_len; | |
1133 | skb->data_len = curr_frag_len - hdr_len; | |
1134 | skb->tail += hdr_len; | |
1135 | } | |
205859a2 | 1136 | page_info->page = NULL; |
6b7c5b94 | 1137 | |
2e588f84 SP |
1138 | if (rxcp->pkt_size <= rx_frag_size) { |
1139 | BUG_ON(rxcp->num_rcvd != 1); | |
1140 | return; | |
6b7c5b94 SP |
1141 | } |
1142 | ||
1143 | /* More frags present for this completion */ | |
2e588f84 SP |
1144 | index_inc(&rxcp->rxq_idx, rxq->len); |
1145 | remaining = rxcp->pkt_size - curr_frag_len; | |
1146 | for (i = 1, j = 0; i < rxcp->num_rcvd; i++) { | |
1147 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | |
1148 | curr_frag_len = min(remaining, rx_frag_size); | |
6b7c5b94 | 1149 | |
bd46cb6c AK |
1150 | /* Coalesce all frags from the same physical page in one slot */ |
1151 | if (page_info->page_offset == 0) { | |
1152 | /* Fresh page */ | |
1153 | j++; | |
1154 | skb_shinfo(skb)->frags[j].page = page_info->page; | |
1155 | skb_shinfo(skb)->frags[j].page_offset = | |
1156 | page_info->page_offset; | |
1157 | skb_shinfo(skb)->frags[j].size = 0; | |
1158 | skb_shinfo(skb)->nr_frags++; | |
1159 | } else { | |
1160 | put_page(page_info->page); | |
1161 | } | |
1162 | ||
1163 | skb_shinfo(skb)->frags[j].size += curr_frag_len; | |
6b7c5b94 SP |
1164 | skb->len += curr_frag_len; |
1165 | skb->data_len += curr_frag_len; | |
6b7c5b94 | 1166 | |
2e588f84 SP |
1167 | remaining -= curr_frag_len; |
1168 | index_inc(&rxcp->rxq_idx, rxq->len); | |
205859a2 | 1169 | page_info->page = NULL; |
6b7c5b94 | 1170 | } |
bd46cb6c | 1171 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 SP |
1172 | } |
1173 | ||
5be93b9a | 1174 | /* Process the RX completion indicated by rxcp when GRO is disabled */ |
6b7c5b94 | 1175 | static void be_rx_compl_process(struct be_adapter *adapter, |
3abcdeda | 1176 | struct be_rx_obj *rxo, |
2e588f84 | 1177 | struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1178 | { |
6332c8d3 | 1179 | struct net_device *netdev = adapter->netdev; |
6b7c5b94 | 1180 | struct sk_buff *skb; |
89420424 | 1181 | |
6332c8d3 | 1182 | skb = netdev_alloc_skb_ip_align(netdev, BE_HDR_LEN); |
a058a632 | 1183 | if (unlikely(!skb)) { |
6b7c5b94 SP |
1184 | if (net_ratelimit()) |
1185 | dev_warn(&adapter->pdev->dev, "skb alloc failed\n"); | |
3abcdeda | 1186 | be_rx_compl_discard(adapter, rxo, rxcp); |
6b7c5b94 SP |
1187 | return; |
1188 | } | |
1189 | ||
2e588f84 | 1190 | skb_fill_rx_data(adapter, rxo, skb, rxcp); |
6b7c5b94 | 1191 | |
6332c8d3 | 1192 | if (likely((netdev->features & NETIF_F_RXCSUM) && csum_passed(rxcp))) |
728a9972 | 1193 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
c6ce2f4b SK |
1194 | else |
1195 | skb_checksum_none_assert(skb); | |
6b7c5b94 SP |
1196 | |
1197 | skb->truesize = skb->len + sizeof(struct sk_buff); | |
6332c8d3 | 1198 | skb->protocol = eth_type_trans(skb, netdev); |
4b972914 AK |
1199 | if (adapter->netdev->features & NETIF_F_RXHASH) |
1200 | skb->rxhash = rxcp->rss_hash; | |
1201 | ||
6b7c5b94 | 1202 | |
2e588f84 | 1203 | if (unlikely(rxcp->vlanf)) { |
82903e4b | 1204 | if (!adapter->vlan_grp || adapter->vlans_added == 0) { |
6b7c5b94 SP |
1205 | kfree_skb(skb); |
1206 | return; | |
1207 | } | |
6709d952 SK |
1208 | vlan_hwaccel_receive_skb(skb, adapter->vlan_grp, |
1209 | rxcp->vlan_tag); | |
6b7c5b94 SP |
1210 | } else { |
1211 | netif_receive_skb(skb); | |
1212 | } | |
6b7c5b94 SP |
1213 | } |
1214 | ||
5be93b9a AK |
1215 | /* Process the RX completion indicated by rxcp when GRO is enabled */ |
1216 | static void be_rx_compl_process_gro(struct be_adapter *adapter, | |
3abcdeda | 1217 | struct be_rx_obj *rxo, |
2e588f84 | 1218 | struct be_rx_compl_info *rxcp) |
6b7c5b94 SP |
1219 | { |
1220 | struct be_rx_page_info *page_info; | |
5be93b9a | 1221 | struct sk_buff *skb = NULL; |
3abcdeda SP |
1222 | struct be_queue_info *rxq = &rxo->q; |
1223 | struct be_eq_obj *eq_obj = &rxo->rx_eq; | |
2e588f84 SP |
1224 | u16 remaining, curr_frag_len; |
1225 | u16 i, j; | |
3968fa1e | 1226 | |
5be93b9a AK |
1227 | skb = napi_get_frags(&eq_obj->napi); |
1228 | if (!skb) { | |
3abcdeda | 1229 | be_rx_compl_discard(adapter, rxo, rxcp); |
5be93b9a AK |
1230 | return; |
1231 | } | |
1232 | ||
2e588f84 SP |
1233 | remaining = rxcp->pkt_size; |
1234 | for (i = 0, j = -1; i < rxcp->num_rcvd; i++) { | |
1235 | page_info = get_rx_page_info(adapter, rxo, rxcp->rxq_idx); | |
6b7c5b94 SP |
1236 | |
1237 | curr_frag_len = min(remaining, rx_frag_size); | |
1238 | ||
bd46cb6c AK |
1239 | /* Coalesce all frags from the same physical page in one slot */ |
1240 | if (i == 0 || page_info->page_offset == 0) { | |
1241 | /* First frag or Fresh page */ | |
1242 | j++; | |
5be93b9a AK |
1243 | skb_shinfo(skb)->frags[j].page = page_info->page; |
1244 | skb_shinfo(skb)->frags[j].page_offset = | |
1245 | page_info->page_offset; | |
1246 | skb_shinfo(skb)->frags[j].size = 0; | |
bd46cb6c AK |
1247 | } else { |
1248 | put_page(page_info->page); | |
1249 | } | |
5be93b9a | 1250 | skb_shinfo(skb)->frags[j].size += curr_frag_len; |
6b7c5b94 | 1251 | |
bd46cb6c | 1252 | remaining -= curr_frag_len; |
2e588f84 | 1253 | index_inc(&rxcp->rxq_idx, rxq->len); |
6b7c5b94 SP |
1254 | memset(page_info, 0, sizeof(*page_info)); |
1255 | } | |
bd46cb6c | 1256 | BUG_ON(j > MAX_SKB_FRAGS); |
6b7c5b94 | 1257 | |
5be93b9a | 1258 | skb_shinfo(skb)->nr_frags = j + 1; |
2e588f84 SP |
1259 | skb->len = rxcp->pkt_size; |
1260 | skb->data_len = rxcp->pkt_size; | |
1261 | skb->truesize += rxcp->pkt_size; | |
5be93b9a | 1262 | skb->ip_summed = CHECKSUM_UNNECESSARY; |
4b972914 AK |
1263 | if (adapter->netdev->features & NETIF_F_RXHASH) |
1264 | skb->rxhash = rxcp->rss_hash; | |
5be93b9a | 1265 | |
2e588f84 | 1266 | if (likely(!rxcp->vlanf)) |
5be93b9a | 1267 | napi_gro_frags(&eq_obj->napi); |
2e588f84 | 1268 | else |
6709d952 SK |
1269 | vlan_gro_frags(&eq_obj->napi, adapter->vlan_grp, |
1270 | rxcp->vlan_tag); | |
2e588f84 SP |
1271 | } |
1272 | ||
1273 | static void be_parse_rx_compl_v1(struct be_adapter *adapter, | |
1274 | struct be_eth_rx_compl *compl, | |
1275 | struct be_rx_compl_info *rxcp) | |
1276 | { | |
1277 | rxcp->pkt_size = | |
1278 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, pktsize, compl); | |
1279 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtp, compl); | |
1280 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, err, compl); | |
1281 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, tcpf, compl); | |
9ecb42fd | 1282 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, udpf, compl); |
2e588f84 SP |
1283 | rxcp->ip_csum = |
1284 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ipcksm, compl); | |
1285 | rxcp->l4_csum = | |
1286 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, l4_cksm, compl); | |
1287 | rxcp->ipv6 = | |
1288 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, ip_version, compl); | |
1289 | rxcp->rxq_idx = | |
1290 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, fragndx, compl); | |
1291 | rxcp->num_rcvd = | |
1292 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, numfrags, compl); | |
1293 | rxcp->pkt_type = | |
1294 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, cast_enc, compl); | |
4b972914 AK |
1295 | rxcp->rss_hash = |
1296 | AMAP_GET_BITS(struct amap_eth_rx_compl_v1, rsshash, rxcp); | |
15d72184 SP |
1297 | if (rxcp->vlanf) { |
1298 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vtm, | |
3c709f8f DM |
1299 | compl); |
1300 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v1, vlan_tag, | |
1301 | compl); | |
15d72184 | 1302 | } |
2e588f84 SP |
1303 | } |
1304 | ||
1305 | static void be_parse_rx_compl_v0(struct be_adapter *adapter, | |
1306 | struct be_eth_rx_compl *compl, | |
1307 | struct be_rx_compl_info *rxcp) | |
1308 | { | |
1309 | rxcp->pkt_size = | |
1310 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, pktsize, compl); | |
1311 | rxcp->vlanf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtp, compl); | |
1312 | rxcp->err = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, err, compl); | |
1313 | rxcp->tcpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, tcpf, compl); | |
9ecb42fd | 1314 | rxcp->udpf = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, udpf, compl); |
2e588f84 SP |
1315 | rxcp->ip_csum = |
1316 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ipcksm, compl); | |
1317 | rxcp->l4_csum = | |
1318 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, l4_cksm, compl); | |
1319 | rxcp->ipv6 = | |
1320 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, ip_version, compl); | |
1321 | rxcp->rxq_idx = | |
1322 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, fragndx, compl); | |
1323 | rxcp->num_rcvd = | |
1324 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, numfrags, compl); | |
1325 | rxcp->pkt_type = | |
1326 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, cast_enc, compl); | |
4b972914 AK |
1327 | rxcp->rss_hash = |
1328 | AMAP_GET_BITS(struct amap_eth_rx_compl_v0, rsshash, rxcp); | |
15d72184 SP |
1329 | if (rxcp->vlanf) { |
1330 | rxcp->vtm = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vtm, | |
3c709f8f DM |
1331 | compl); |
1332 | rxcp->vlan_tag = AMAP_GET_BITS(struct amap_eth_rx_compl_v0, vlan_tag, | |
1333 | compl); | |
15d72184 | 1334 | } |
2e588f84 SP |
1335 | } |
1336 | ||
1337 | static struct be_rx_compl_info *be_rx_compl_get(struct be_rx_obj *rxo) | |
1338 | { | |
1339 | struct be_eth_rx_compl *compl = queue_tail_node(&rxo->cq); | |
1340 | struct be_rx_compl_info *rxcp = &rxo->rxcp; | |
1341 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1342 | |
2e588f84 SP |
1343 | /* For checking the valid bit it is Ok to use either definition as the |
1344 | * valid bit is at the same position in both v0 and v1 Rx compl */ | |
1345 | if (compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] == 0) | |
1346 | return NULL; | |
6b7c5b94 | 1347 | |
2e588f84 SP |
1348 | rmb(); |
1349 | be_dws_le_to_cpu(compl, sizeof(*compl)); | |
6b7c5b94 | 1350 | |
2e588f84 SP |
1351 | if (adapter->be3_native) |
1352 | be_parse_rx_compl_v1(adapter, compl, rxcp); | |
1353 | else | |
1354 | be_parse_rx_compl_v0(adapter, compl, rxcp); | |
6b7c5b94 | 1355 | |
15d72184 SP |
1356 | if (rxcp->vlanf) { |
1357 | /* vlanf could be wrongly set in some cards. | |
1358 | * ignore if vtm is not set */ | |
1359 | if ((adapter->function_mode & 0x400) && !rxcp->vtm) | |
1360 | rxcp->vlanf = 0; | |
6b7c5b94 | 1361 | |
15d72184 | 1362 | if (!lancer_chip(adapter)) |
3c709f8f | 1363 | rxcp->vlan_tag = swab16(rxcp->vlan_tag); |
6b7c5b94 | 1364 | |
3c709f8f DM |
1365 | if (((adapter->pvid & VLAN_VID_MASK) == |
1366 | (rxcp->vlan_tag & VLAN_VID_MASK)) && | |
1367 | !adapter->vlan_tag[rxcp->vlan_tag]) | |
15d72184 SP |
1368 | rxcp->vlanf = 0; |
1369 | } | |
2e588f84 SP |
1370 | |
1371 | /* As the compl has been parsed, reset it; we wont touch it again */ | |
1372 | compl->dw[offsetof(struct amap_eth_rx_compl_v1, valid) / 32] = 0; | |
6b7c5b94 | 1373 | |
3abcdeda | 1374 | queue_tail_inc(&rxo->cq); |
6b7c5b94 SP |
1375 | return rxcp; |
1376 | } | |
1377 | ||
1829b086 | 1378 | static inline struct page *be_alloc_pages(u32 size, gfp_t gfp) |
6b7c5b94 | 1379 | { |
6b7c5b94 | 1380 | u32 order = get_order(size); |
1829b086 | 1381 | |
6b7c5b94 | 1382 | if (order > 0) |
1829b086 ED |
1383 | gfp |= __GFP_COMP; |
1384 | return alloc_pages(gfp, order); | |
6b7c5b94 SP |
1385 | } |
1386 | ||
1387 | /* | |
1388 | * Allocate a page, split it to fragments of size rx_frag_size and post as | |
1389 | * receive buffers to BE | |
1390 | */ | |
1829b086 | 1391 | static void be_post_rx_frags(struct be_rx_obj *rxo, gfp_t gfp) |
6b7c5b94 | 1392 | { |
3abcdeda SP |
1393 | struct be_adapter *adapter = rxo->adapter; |
1394 | struct be_rx_page_info *page_info_tbl = rxo->page_info_tbl; | |
26d92f92 | 1395 | struct be_rx_page_info *page_info = NULL, *prev_page_info = NULL; |
3abcdeda | 1396 | struct be_queue_info *rxq = &rxo->q; |
6b7c5b94 SP |
1397 | struct page *pagep = NULL; |
1398 | struct be_eth_rx_d *rxd; | |
1399 | u64 page_dmaaddr = 0, frag_dmaaddr; | |
1400 | u32 posted, page_offset = 0; | |
1401 | ||
3abcdeda | 1402 | page_info = &rxo->page_info_tbl[rxq->head]; |
6b7c5b94 SP |
1403 | for (posted = 0; posted < MAX_RX_POST && !page_info->page; posted++) { |
1404 | if (!pagep) { | |
1829b086 | 1405 | pagep = be_alloc_pages(adapter->big_page_size, gfp); |
6b7c5b94 | 1406 | if (unlikely(!pagep)) { |
3abcdeda | 1407 | rxo->stats.rx_post_fail++; |
6b7c5b94 SP |
1408 | break; |
1409 | } | |
2b7bcebf IV |
1410 | page_dmaaddr = dma_map_page(&adapter->pdev->dev, pagep, |
1411 | 0, adapter->big_page_size, | |
1412 | DMA_FROM_DEVICE); | |
6b7c5b94 SP |
1413 | page_info->page_offset = 0; |
1414 | } else { | |
1415 | get_page(pagep); | |
1416 | page_info->page_offset = page_offset + rx_frag_size; | |
1417 | } | |
1418 | page_offset = page_info->page_offset; | |
1419 | page_info->page = pagep; | |
fac6da5b | 1420 | dma_unmap_addr_set(page_info, bus, page_dmaaddr); |
6b7c5b94 SP |
1421 | frag_dmaaddr = page_dmaaddr + page_info->page_offset; |
1422 | ||
1423 | rxd = queue_head_node(rxq); | |
1424 | rxd->fragpa_lo = cpu_to_le32(frag_dmaaddr & 0xFFFFFFFF); | |
1425 | rxd->fragpa_hi = cpu_to_le32(upper_32_bits(frag_dmaaddr)); | |
6b7c5b94 SP |
1426 | |
1427 | /* Any space left in the current big page for another frag? */ | |
1428 | if ((page_offset + rx_frag_size + rx_frag_size) > | |
1429 | adapter->big_page_size) { | |
1430 | pagep = NULL; | |
1431 | page_info->last_page_user = true; | |
1432 | } | |
26d92f92 SP |
1433 | |
1434 | prev_page_info = page_info; | |
1435 | queue_head_inc(rxq); | |
6b7c5b94 SP |
1436 | page_info = &page_info_tbl[rxq->head]; |
1437 | } | |
1438 | if (pagep) | |
26d92f92 | 1439 | prev_page_info->last_page_user = true; |
6b7c5b94 SP |
1440 | |
1441 | if (posted) { | |
6b7c5b94 | 1442 | atomic_add(posted, &rxq->used); |
8788fdc2 | 1443 | be_rxq_notify(adapter, rxq->id, posted); |
ea1dae11 SP |
1444 | } else if (atomic_read(&rxq->used) == 0) { |
1445 | /* Let be_worker replenish when memory is available */ | |
3abcdeda | 1446 | rxo->rx_post_starved = true; |
6b7c5b94 | 1447 | } |
6b7c5b94 SP |
1448 | } |
1449 | ||
5fb379ee | 1450 | static struct be_eth_tx_compl *be_tx_compl_get(struct be_queue_info *tx_cq) |
6b7c5b94 | 1451 | { |
6b7c5b94 SP |
1452 | struct be_eth_tx_compl *txcp = queue_tail_node(tx_cq); |
1453 | ||
1454 | if (txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] == 0) | |
1455 | return NULL; | |
1456 | ||
f3eb62d2 | 1457 | rmb(); |
6b7c5b94 SP |
1458 | be_dws_le_to_cpu(txcp, sizeof(*txcp)); |
1459 | ||
1460 | txcp->dw[offsetof(struct amap_eth_tx_compl, valid) / 32] = 0; | |
1461 | ||
1462 | queue_tail_inc(tx_cq); | |
1463 | return txcp; | |
1464 | } | |
1465 | ||
3c8def97 SP |
1466 | static u16 be_tx_compl_process(struct be_adapter *adapter, |
1467 | struct be_tx_obj *txo, u16 last_index) | |
6b7c5b94 | 1468 | { |
3c8def97 | 1469 | struct be_queue_info *txq = &txo->q; |
a73b796e | 1470 | struct be_eth_wrb *wrb; |
3c8def97 | 1471 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
6b7c5b94 | 1472 | struct sk_buff *sent_skb; |
ec43b1a6 SP |
1473 | u16 cur_index, num_wrbs = 1; /* account for hdr wrb */ |
1474 | bool unmap_skb_hdr = true; | |
6b7c5b94 | 1475 | |
ec43b1a6 | 1476 | sent_skb = sent_skbs[txq->tail]; |
6b7c5b94 | 1477 | BUG_ON(!sent_skb); |
ec43b1a6 SP |
1478 | sent_skbs[txq->tail] = NULL; |
1479 | ||
1480 | /* skip header wrb */ | |
a73b796e | 1481 | queue_tail_inc(txq); |
6b7c5b94 | 1482 | |
ec43b1a6 | 1483 | do { |
6b7c5b94 | 1484 | cur_index = txq->tail; |
a73b796e | 1485 | wrb = queue_tail_node(txq); |
2b7bcebf IV |
1486 | unmap_tx_frag(&adapter->pdev->dev, wrb, |
1487 | (unmap_skb_hdr && skb_headlen(sent_skb))); | |
ec43b1a6 SP |
1488 | unmap_skb_hdr = false; |
1489 | ||
6b7c5b94 SP |
1490 | num_wrbs++; |
1491 | queue_tail_inc(txq); | |
ec43b1a6 | 1492 | } while (cur_index != last_index); |
6b7c5b94 | 1493 | |
6b7c5b94 | 1494 | kfree_skb(sent_skb); |
4d586b82 | 1495 | return num_wrbs; |
6b7c5b94 SP |
1496 | } |
1497 | ||
859b1e4e SP |
1498 | static inline struct be_eq_entry *event_get(struct be_eq_obj *eq_obj) |
1499 | { | |
1500 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); | |
1501 | ||
1502 | if (!eqe->evt) | |
1503 | return NULL; | |
1504 | ||
f3eb62d2 | 1505 | rmb(); |
859b1e4e SP |
1506 | eqe->evt = le32_to_cpu(eqe->evt); |
1507 | queue_tail_inc(&eq_obj->q); | |
1508 | return eqe; | |
1509 | } | |
1510 | ||
1511 | static int event_handle(struct be_adapter *adapter, | |
3c8def97 SP |
1512 | struct be_eq_obj *eq_obj, |
1513 | bool rearm) | |
859b1e4e SP |
1514 | { |
1515 | struct be_eq_entry *eqe; | |
1516 | u16 num = 0; | |
1517 | ||
1518 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1519 | eqe->evt = 0; | |
1520 | num++; | |
1521 | } | |
1522 | ||
1523 | /* Deal with any spurious interrupts that come | |
1524 | * without events | |
1525 | */ | |
3c8def97 SP |
1526 | if (!num) |
1527 | rearm = true; | |
1528 | ||
1529 | be_eq_notify(adapter, eq_obj->q.id, rearm, true, num); | |
859b1e4e SP |
1530 | if (num) |
1531 | napi_schedule(&eq_obj->napi); | |
1532 | ||
1533 | return num; | |
1534 | } | |
1535 | ||
1536 | /* Just read and notify events without processing them. | |
1537 | * Used at the time of destroying event queues */ | |
1538 | static void be_eq_clean(struct be_adapter *adapter, | |
1539 | struct be_eq_obj *eq_obj) | |
1540 | { | |
1541 | struct be_eq_entry *eqe; | |
1542 | u16 num = 0; | |
1543 | ||
1544 | while ((eqe = event_get(eq_obj)) != NULL) { | |
1545 | eqe->evt = 0; | |
1546 | num++; | |
1547 | } | |
1548 | ||
1549 | if (num) | |
1550 | be_eq_notify(adapter, eq_obj->q.id, false, true, num); | |
1551 | } | |
1552 | ||
3abcdeda | 1553 | static void be_rx_q_clean(struct be_adapter *adapter, struct be_rx_obj *rxo) |
6b7c5b94 SP |
1554 | { |
1555 | struct be_rx_page_info *page_info; | |
3abcdeda SP |
1556 | struct be_queue_info *rxq = &rxo->q; |
1557 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 1558 | struct be_rx_compl_info *rxcp; |
6b7c5b94 SP |
1559 | u16 tail; |
1560 | ||
1561 | /* First cleanup pending rx completions */ | |
3abcdeda SP |
1562 | while ((rxcp = be_rx_compl_get(rxo)) != NULL) { |
1563 | be_rx_compl_discard(adapter, rxo, rxcp); | |
64642811 | 1564 | be_cq_notify(adapter, rx_cq->id, false, 1); |
6b7c5b94 SP |
1565 | } |
1566 | ||
1567 | /* Then free posted rx buffer that were not used */ | |
1568 | tail = (rxq->head + rxq->len - atomic_read(&rxq->used)) % rxq->len; | |
cdab23b7 | 1569 | for (; atomic_read(&rxq->used) > 0; index_inc(&tail, rxq->len)) { |
3abcdeda | 1570 | page_info = get_rx_page_info(adapter, rxo, tail); |
6b7c5b94 SP |
1571 | put_page(page_info->page); |
1572 | memset(page_info, 0, sizeof(*page_info)); | |
1573 | } | |
1574 | BUG_ON(atomic_read(&rxq->used)); | |
1575 | } | |
1576 | ||
3c8def97 SP |
1577 | static void be_tx_compl_clean(struct be_adapter *adapter, |
1578 | struct be_tx_obj *txo) | |
6b7c5b94 | 1579 | { |
3c8def97 SP |
1580 | struct be_queue_info *tx_cq = &txo->cq; |
1581 | struct be_queue_info *txq = &txo->q; | |
a8e9179a | 1582 | struct be_eth_tx_compl *txcp; |
4d586b82 | 1583 | u16 end_idx, cmpl = 0, timeo = 0, num_wrbs = 0; |
3c8def97 | 1584 | struct sk_buff **sent_skbs = txo->sent_skb_list; |
b03388d6 SP |
1585 | struct sk_buff *sent_skb; |
1586 | bool dummy_wrb; | |
a8e9179a SP |
1587 | |
1588 | /* Wait for a max of 200ms for all the tx-completions to arrive. */ | |
1589 | do { | |
1590 | while ((txcp = be_tx_compl_get(tx_cq))) { | |
1591 | end_idx = AMAP_GET_BITS(struct amap_eth_tx_compl, | |
1592 | wrb_index, txcp); | |
3c8def97 | 1593 | num_wrbs += be_tx_compl_process(adapter, txo, end_idx); |
a8e9179a SP |
1594 | cmpl++; |
1595 | } | |
1596 | if (cmpl) { | |
1597 | be_cq_notify(adapter, tx_cq->id, false, cmpl); | |
4d586b82 | 1598 | atomic_sub(num_wrbs, &txq->used); |
a8e9179a | 1599 | cmpl = 0; |
4d586b82 | 1600 | num_wrbs = 0; |
a8e9179a SP |
1601 | } |
1602 | ||
1603 | if (atomic_read(&txq->used) == 0 || ++timeo > 200) | |
1604 | break; | |
1605 | ||
1606 | mdelay(1); | |
1607 | } while (true); | |
1608 | ||
1609 | if (atomic_read(&txq->used)) | |
1610 | dev_err(&adapter->pdev->dev, "%d pending tx-completions\n", | |
1611 | atomic_read(&txq->used)); | |
b03388d6 SP |
1612 | |
1613 | /* free posted tx for which compls will never arrive */ | |
1614 | while (atomic_read(&txq->used)) { | |
1615 | sent_skb = sent_skbs[txq->tail]; | |
1616 | end_idx = txq->tail; | |
1617 | index_adv(&end_idx, | |
fe6d2a38 SP |
1618 | wrb_cnt_for_skb(adapter, sent_skb, &dummy_wrb) - 1, |
1619 | txq->len); | |
3c8def97 | 1620 | num_wrbs = be_tx_compl_process(adapter, txo, end_idx); |
4d586b82 | 1621 | atomic_sub(num_wrbs, &txq->used); |
b03388d6 | 1622 | } |
6b7c5b94 SP |
1623 | } |
1624 | ||
5fb379ee SP |
1625 | static void be_mcc_queues_destroy(struct be_adapter *adapter) |
1626 | { | |
1627 | struct be_queue_info *q; | |
5fb379ee | 1628 | |
8788fdc2 | 1629 | q = &adapter->mcc_obj.q; |
5fb379ee | 1630 | if (q->created) |
8788fdc2 | 1631 | be_cmd_q_destroy(adapter, q, QTYPE_MCCQ); |
5fb379ee SP |
1632 | be_queue_free(adapter, q); |
1633 | ||
8788fdc2 | 1634 | q = &adapter->mcc_obj.cq; |
5fb379ee | 1635 | if (q->created) |
8788fdc2 | 1636 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); |
5fb379ee SP |
1637 | be_queue_free(adapter, q); |
1638 | } | |
1639 | ||
1640 | /* Must be called only after TX qs are created as MCC shares TX EQ */ | |
1641 | static int be_mcc_queues_create(struct be_adapter *adapter) | |
1642 | { | |
1643 | struct be_queue_info *q, *cq; | |
5fb379ee SP |
1644 | |
1645 | /* Alloc MCC compl queue */ | |
8788fdc2 | 1646 | cq = &adapter->mcc_obj.cq; |
5fb379ee | 1647 | if (be_queue_alloc(adapter, cq, MCC_CQ_LEN, |
efd2e40a | 1648 | sizeof(struct be_mcc_compl))) |
5fb379ee SP |
1649 | goto err; |
1650 | ||
1651 | /* Ask BE to create MCC compl queue; share TX's eq */ | |
8788fdc2 | 1652 | if (be_cmd_cq_create(adapter, cq, &adapter->tx_eq.q, false, true, 0)) |
5fb379ee SP |
1653 | goto mcc_cq_free; |
1654 | ||
1655 | /* Alloc MCC queue */ | |
8788fdc2 | 1656 | q = &adapter->mcc_obj.q; |
5fb379ee SP |
1657 | if (be_queue_alloc(adapter, q, MCC_Q_LEN, sizeof(struct be_mcc_wrb))) |
1658 | goto mcc_cq_destroy; | |
1659 | ||
1660 | /* Ask BE to create MCC queue */ | |
8788fdc2 | 1661 | if (be_cmd_mccq_create(adapter, q, cq)) |
5fb379ee SP |
1662 | goto mcc_q_free; |
1663 | ||
1664 | return 0; | |
1665 | ||
1666 | mcc_q_free: | |
1667 | be_queue_free(adapter, q); | |
1668 | mcc_cq_destroy: | |
8788fdc2 | 1669 | be_cmd_q_destroy(adapter, cq, QTYPE_CQ); |
5fb379ee SP |
1670 | mcc_cq_free: |
1671 | be_queue_free(adapter, cq); | |
1672 | err: | |
1673 | return -1; | |
1674 | } | |
1675 | ||
6b7c5b94 SP |
1676 | static void be_tx_queues_destroy(struct be_adapter *adapter) |
1677 | { | |
1678 | struct be_queue_info *q; | |
3c8def97 SP |
1679 | struct be_tx_obj *txo; |
1680 | u8 i; | |
6b7c5b94 | 1681 | |
3c8def97 SP |
1682 | for_all_tx_queues(adapter, txo, i) { |
1683 | q = &txo->q; | |
1684 | if (q->created) | |
1685 | be_cmd_q_destroy(adapter, q, QTYPE_TXQ); | |
1686 | be_queue_free(adapter, q); | |
6b7c5b94 | 1687 | |
3c8def97 SP |
1688 | q = &txo->cq; |
1689 | if (q->created) | |
1690 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
1691 | be_queue_free(adapter, q); | |
1692 | } | |
6b7c5b94 | 1693 | |
859b1e4e SP |
1694 | /* Clear any residual events */ |
1695 | be_eq_clean(adapter, &adapter->tx_eq); | |
1696 | ||
6b7c5b94 SP |
1697 | q = &adapter->tx_eq.q; |
1698 | if (q->created) | |
8788fdc2 | 1699 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); |
6b7c5b94 SP |
1700 | be_queue_free(adapter, q); |
1701 | } | |
1702 | ||
3c8def97 | 1703 | /* One TX event queue is shared by all TX compl qs */ |
6b7c5b94 SP |
1704 | static int be_tx_queues_create(struct be_adapter *adapter) |
1705 | { | |
1706 | struct be_queue_info *eq, *q, *cq; | |
3c8def97 SP |
1707 | struct be_tx_obj *txo; |
1708 | u8 i; | |
6b7c5b94 SP |
1709 | |
1710 | adapter->tx_eq.max_eqd = 0; | |
1711 | adapter->tx_eq.min_eqd = 0; | |
1712 | adapter->tx_eq.cur_eqd = 96; | |
1713 | adapter->tx_eq.enable_aic = false; | |
3c8def97 | 1714 | |
6b7c5b94 | 1715 | eq = &adapter->tx_eq.q; |
3c8def97 SP |
1716 | if (be_queue_alloc(adapter, eq, EVNT_Q_LEN, |
1717 | sizeof(struct be_eq_entry))) | |
6b7c5b94 SP |
1718 | return -1; |
1719 | ||
8788fdc2 | 1720 | if (be_cmd_eq_create(adapter, eq, adapter->tx_eq.cur_eqd)) |
3c8def97 | 1721 | goto err; |
ecd62107 | 1722 | adapter->tx_eq.eq_idx = adapter->eq_next_idx++; |
fe6d2a38 | 1723 | |
3c8def97 SP |
1724 | for_all_tx_queues(adapter, txo, i) { |
1725 | cq = &txo->cq; | |
1726 | if (be_queue_alloc(adapter, cq, TX_CQ_LEN, | |
6b7c5b94 | 1727 | sizeof(struct be_eth_tx_compl))) |
3c8def97 | 1728 | goto err; |
6b7c5b94 | 1729 | |
3c8def97 SP |
1730 | if (be_cmd_cq_create(adapter, cq, eq, false, false, 3)) |
1731 | goto err; | |
6b7c5b94 | 1732 | |
3c8def97 SP |
1733 | q = &txo->q; |
1734 | if (be_queue_alloc(adapter, q, TX_Q_LEN, | |
1735 | sizeof(struct be_eth_wrb))) | |
1736 | goto err; | |
6b7c5b94 | 1737 | |
3c8def97 SP |
1738 | if (be_cmd_txq_create(adapter, q, cq)) |
1739 | goto err; | |
1740 | } | |
6b7c5b94 SP |
1741 | return 0; |
1742 | ||
3c8def97 SP |
1743 | err: |
1744 | be_tx_queues_destroy(adapter); | |
6b7c5b94 SP |
1745 | return -1; |
1746 | } | |
1747 | ||
1748 | static void be_rx_queues_destroy(struct be_adapter *adapter) | |
1749 | { | |
1750 | struct be_queue_info *q; | |
3abcdeda SP |
1751 | struct be_rx_obj *rxo; |
1752 | int i; | |
1753 | ||
1754 | for_all_rx_queues(adapter, rxo, i) { | |
1755 | q = &rxo->q; | |
1756 | if (q->created) { | |
1757 | be_cmd_q_destroy(adapter, q, QTYPE_RXQ); | |
1758 | /* After the rxq is invalidated, wait for a grace time | |
1759 | * of 1ms for all dma to end and the flush compl to | |
1760 | * arrive | |
1761 | */ | |
1762 | mdelay(1); | |
1763 | be_rx_q_clean(adapter, rxo); | |
1764 | } | |
1765 | be_queue_free(adapter, q); | |
1766 | ||
1767 | q = &rxo->cq; | |
1768 | if (q->created) | |
1769 | be_cmd_q_destroy(adapter, q, QTYPE_CQ); | |
1770 | be_queue_free(adapter, q); | |
1771 | ||
1772 | /* Clear any residual events */ | |
1773 | q = &rxo->rx_eq.q; | |
1774 | if (q->created) { | |
1775 | be_eq_clean(adapter, &rxo->rx_eq); | |
1776 | be_cmd_q_destroy(adapter, q, QTYPE_EQ); | |
1777 | } | |
1778 | be_queue_free(adapter, q); | |
6b7c5b94 | 1779 | } |
6b7c5b94 SP |
1780 | } |
1781 | ||
ac6a0c4a SP |
1782 | static u32 be_num_rxqs_want(struct be_adapter *adapter) |
1783 | { | |
c814fd36 | 1784 | if ((adapter->function_caps & BE_FUNCTION_CAPS_RSS) && |
ac6a0c4a SP |
1785 | !adapter->sriov_enabled && !(adapter->function_mode & 0x400)) { |
1786 | return 1 + MAX_RSS_QS; /* one default non-RSS queue */ | |
1787 | } else { | |
1788 | dev_warn(&adapter->pdev->dev, | |
1789 | "No support for multiple RX queues\n"); | |
1790 | return 1; | |
1791 | } | |
1792 | } | |
1793 | ||
6b7c5b94 SP |
1794 | static int be_rx_queues_create(struct be_adapter *adapter) |
1795 | { | |
1796 | struct be_queue_info *eq, *q, *cq; | |
3abcdeda SP |
1797 | struct be_rx_obj *rxo; |
1798 | int rc, i; | |
6b7c5b94 | 1799 | |
ac6a0c4a SP |
1800 | adapter->num_rx_qs = min(be_num_rxqs_want(adapter), |
1801 | msix_enabled(adapter) ? | |
1802 | adapter->num_msix_vec - 1 : 1); | |
1803 | if (adapter->num_rx_qs != MAX_RX_QS) | |
1804 | dev_warn(&adapter->pdev->dev, | |
1805 | "Can create only %d RX queues", adapter->num_rx_qs); | |
1806 | ||
6b7c5b94 | 1807 | adapter->big_page_size = (1 << get_order(rx_frag_size)) * PAGE_SIZE; |
3abcdeda SP |
1808 | for_all_rx_queues(adapter, rxo, i) { |
1809 | rxo->adapter = adapter; | |
1810 | rxo->rx_eq.max_eqd = BE_MAX_EQD; | |
1811 | rxo->rx_eq.enable_aic = true; | |
1812 | ||
1813 | /* EQ */ | |
1814 | eq = &rxo->rx_eq.q; | |
1815 | rc = be_queue_alloc(adapter, eq, EVNT_Q_LEN, | |
1816 | sizeof(struct be_eq_entry)); | |
1817 | if (rc) | |
1818 | goto err; | |
1819 | ||
1820 | rc = be_cmd_eq_create(adapter, eq, rxo->rx_eq.cur_eqd); | |
1821 | if (rc) | |
1822 | goto err; | |
1823 | ||
ecd62107 | 1824 | rxo->rx_eq.eq_idx = adapter->eq_next_idx++; |
fe6d2a38 | 1825 | |
3abcdeda SP |
1826 | /* CQ */ |
1827 | cq = &rxo->cq; | |
1828 | rc = be_queue_alloc(adapter, cq, RX_CQ_LEN, | |
1829 | sizeof(struct be_eth_rx_compl)); | |
1830 | if (rc) | |
1831 | goto err; | |
1832 | ||
1833 | rc = be_cmd_cq_create(adapter, cq, eq, false, false, 3); | |
1834 | if (rc) | |
1835 | goto err; | |
3abcdeda SP |
1836 | /* Rx Q */ |
1837 | q = &rxo->q; | |
1838 | rc = be_queue_alloc(adapter, q, RX_Q_LEN, | |
1839 | sizeof(struct be_eth_rx_d)); | |
1840 | if (rc) | |
1841 | goto err; | |
1842 | ||
1843 | rc = be_cmd_rxq_create(adapter, q, cq->id, rx_frag_size, | |
1844 | BE_MAX_JUMBO_FRAME_SIZE, adapter->if_handle, | |
1845 | (i > 0) ? 1 : 0/* rss enable */, &rxo->rss_id); | |
1846 | if (rc) | |
1847 | goto err; | |
1848 | } | |
1849 | ||
1850 | if (be_multi_rxq(adapter)) { | |
1851 | u8 rsstable[MAX_RSS_QS]; | |
1852 | ||
1853 | for_all_rss_queues(adapter, rxo, i) | |
1854 | rsstable[i] = rxo->rss_id; | |
1855 | ||
1856 | rc = be_cmd_rss_config(adapter, rsstable, | |
1857 | adapter->num_rx_qs - 1); | |
1858 | if (rc) | |
1859 | goto err; | |
1860 | } | |
6b7c5b94 SP |
1861 | |
1862 | return 0; | |
3abcdeda SP |
1863 | err: |
1864 | be_rx_queues_destroy(adapter); | |
1865 | return -1; | |
6b7c5b94 | 1866 | } |
6b7c5b94 | 1867 | |
fe6d2a38 | 1868 | static bool event_peek(struct be_eq_obj *eq_obj) |
b628bde2 | 1869 | { |
fe6d2a38 SP |
1870 | struct be_eq_entry *eqe = queue_tail_node(&eq_obj->q); |
1871 | if (!eqe->evt) | |
1872 | return false; | |
1873 | else | |
1874 | return true; | |
b628bde2 SP |
1875 | } |
1876 | ||
6b7c5b94 SP |
1877 | static irqreturn_t be_intx(int irq, void *dev) |
1878 | { | |
1879 | struct be_adapter *adapter = dev; | |
3abcdeda | 1880 | struct be_rx_obj *rxo; |
fe6d2a38 | 1881 | int isr, i, tx = 0 , rx = 0; |
6b7c5b94 | 1882 | |
fe6d2a38 SP |
1883 | if (lancer_chip(adapter)) { |
1884 | if (event_peek(&adapter->tx_eq)) | |
3c8def97 | 1885 | tx = event_handle(adapter, &adapter->tx_eq, false); |
fe6d2a38 SP |
1886 | for_all_rx_queues(adapter, rxo, i) { |
1887 | if (event_peek(&rxo->rx_eq)) | |
3c8def97 | 1888 | rx |= event_handle(adapter, &rxo->rx_eq, true); |
fe6d2a38 | 1889 | } |
6b7c5b94 | 1890 | |
fe6d2a38 SP |
1891 | if (!(tx || rx)) |
1892 | return IRQ_NONE; | |
3abcdeda | 1893 | |
fe6d2a38 SP |
1894 | } else { |
1895 | isr = ioread32(adapter->csr + CEV_ISR0_OFFSET + | |
1896 | (adapter->tx_eq.q.id / 8) * CEV_ISR_SIZE); | |
1897 | if (!isr) | |
1898 | return IRQ_NONE; | |
1899 | ||
ecd62107 | 1900 | if ((1 << adapter->tx_eq.eq_idx & isr)) |
3c8def97 | 1901 | event_handle(adapter, &adapter->tx_eq, false); |
fe6d2a38 SP |
1902 | |
1903 | for_all_rx_queues(adapter, rxo, i) { | |
ecd62107 | 1904 | if ((1 << rxo->rx_eq.eq_idx & isr)) |
3c8def97 | 1905 | event_handle(adapter, &rxo->rx_eq, true); |
fe6d2a38 | 1906 | } |
3abcdeda | 1907 | } |
c001c213 | 1908 | |
8788fdc2 | 1909 | return IRQ_HANDLED; |
6b7c5b94 SP |
1910 | } |
1911 | ||
1912 | static irqreturn_t be_msix_rx(int irq, void *dev) | |
1913 | { | |
3abcdeda SP |
1914 | struct be_rx_obj *rxo = dev; |
1915 | struct be_adapter *adapter = rxo->adapter; | |
6b7c5b94 | 1916 | |
3c8def97 | 1917 | event_handle(adapter, &rxo->rx_eq, true); |
6b7c5b94 SP |
1918 | |
1919 | return IRQ_HANDLED; | |
1920 | } | |
1921 | ||
5fb379ee | 1922 | static irqreturn_t be_msix_tx_mcc(int irq, void *dev) |
6b7c5b94 SP |
1923 | { |
1924 | struct be_adapter *adapter = dev; | |
1925 | ||
3c8def97 | 1926 | event_handle(adapter, &adapter->tx_eq, false); |
6b7c5b94 SP |
1927 | |
1928 | return IRQ_HANDLED; | |
1929 | } | |
1930 | ||
2e588f84 | 1931 | static inline bool do_gro(struct be_rx_compl_info *rxcp) |
6b7c5b94 | 1932 | { |
2e588f84 | 1933 | return (rxcp->tcpf && !rxcp->err) ? true : false; |
6b7c5b94 SP |
1934 | } |
1935 | ||
49b05221 | 1936 | static int be_poll_rx(struct napi_struct *napi, int budget) |
6b7c5b94 SP |
1937 | { |
1938 | struct be_eq_obj *rx_eq = container_of(napi, struct be_eq_obj, napi); | |
3abcdeda SP |
1939 | struct be_rx_obj *rxo = container_of(rx_eq, struct be_rx_obj, rx_eq); |
1940 | struct be_adapter *adapter = rxo->adapter; | |
1941 | struct be_queue_info *rx_cq = &rxo->cq; | |
2e588f84 | 1942 | struct be_rx_compl_info *rxcp; |
6b7c5b94 SP |
1943 | u32 work_done; |
1944 | ||
3abcdeda | 1945 | rxo->stats.rx_polls++; |
6b7c5b94 | 1946 | for (work_done = 0; work_done < budget; work_done++) { |
3abcdeda | 1947 | rxcp = be_rx_compl_get(rxo); |
6b7c5b94 SP |
1948 | if (!rxcp) |
1949 | break; | |
1950 | ||
e80d9da6 | 1951 | /* Ignore flush completions */ |
009dd872 | 1952 | if (rxcp->num_rcvd && rxcp->pkt_size) { |
2e588f84 | 1953 | if (do_gro(rxcp)) |
64642811 SP |
1954 | be_rx_compl_process_gro(adapter, rxo, rxcp); |
1955 | else | |
1956 | be_rx_compl_process(adapter, rxo, rxcp); | |
009dd872 PR |
1957 | } else if (rxcp->pkt_size == 0) { |
1958 | be_rx_compl_discard(adapter, rxo, rxcp); | |
64642811 | 1959 | } |
009dd872 | 1960 | |
2e588f84 | 1961 | be_rx_stats_update(rxo, rxcp); |
6b7c5b94 SP |
1962 | } |
1963 | ||
6b7c5b94 | 1964 | /* Refill the queue */ |
3abcdeda | 1965 | if (atomic_read(&rxo->q.used) < RX_FRAGS_REFILL_WM) |
1829b086 | 1966 | be_post_rx_frags(rxo, GFP_ATOMIC); |
6b7c5b94 SP |
1967 | |
1968 | /* All consumed */ | |
1969 | if (work_done < budget) { | |
1970 | napi_complete(napi); | |
8788fdc2 | 1971 | be_cq_notify(adapter, rx_cq->id, true, work_done); |
6b7c5b94 SP |
1972 | } else { |
1973 | /* More to be consumed; continue with interrupts disabled */ | |
8788fdc2 | 1974 | be_cq_notify(adapter, rx_cq->id, false, work_done); |
6b7c5b94 SP |
1975 | } |
1976 | return work_done; | |
1977 | } | |
1978 | ||
f31e50a8 SP |
1979 | /* As TX and MCC share the same EQ check for both TX and MCC completions. |
1980 | * For TX/MCC we don't honour budget; consume everything | |
1981 | */ | |
1982 | static int be_poll_tx_mcc(struct napi_struct *napi, int budget) | |
6b7c5b94 | 1983 | { |
f31e50a8 SP |
1984 | struct be_eq_obj *tx_eq = container_of(napi, struct be_eq_obj, napi); |
1985 | struct be_adapter *adapter = | |
1986 | container_of(tx_eq, struct be_adapter, tx_eq); | |
3c8def97 | 1987 | struct be_tx_obj *txo; |
6b7c5b94 | 1988 | struct be_eth_tx_compl *txcp; |
3c8def97 SP |
1989 | int tx_compl, mcc_compl, status = 0; |
1990 | u8 i; | |
1991 | u16 num_wrbs; | |
1992 | ||
1993 | for_all_tx_queues(adapter, txo, i) { | |
1994 | tx_compl = 0; | |
1995 | num_wrbs = 0; | |
1996 | while ((txcp = be_tx_compl_get(&txo->cq))) { | |
1997 | num_wrbs += be_tx_compl_process(adapter, txo, | |
1998 | AMAP_GET_BITS(struct amap_eth_tx_compl, | |
1999 | wrb_index, txcp)); | |
2000 | tx_compl++; | |
2001 | } | |
2002 | if (tx_compl) { | |
2003 | be_cq_notify(adapter, txo->cq.id, true, tx_compl); | |
2004 | ||
2005 | atomic_sub(num_wrbs, &txo->q.used); | |
6b7c5b94 | 2006 | |
3c8def97 SP |
2007 | /* As Tx wrbs have been freed up, wake up netdev queue |
2008 | * if it was stopped due to lack of tx wrbs. */ | |
2009 | if (__netif_subqueue_stopped(adapter->netdev, i) && | |
2010 | atomic_read(&txo->q.used) < txo->q.len / 2) { | |
2011 | netif_wake_subqueue(adapter->netdev, i); | |
2012 | } | |
2013 | ||
2014 | adapter->drv_stats.be_tx_events++; | |
2015 | txo->stats.be_tx_compl += tx_compl; | |
2016 | } | |
6b7c5b94 SP |
2017 | } |
2018 | ||
f31e50a8 SP |
2019 | mcc_compl = be_process_mcc(adapter, &status); |
2020 | ||
f31e50a8 SP |
2021 | if (mcc_compl) { |
2022 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
2023 | be_cq_notify(adapter, mcc_obj->cq.id, true, mcc_compl); | |
2024 | } | |
2025 | ||
3c8def97 | 2026 | napi_complete(napi); |
6b7c5b94 | 2027 | |
3c8def97 | 2028 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); |
6b7c5b94 SP |
2029 | return 1; |
2030 | } | |
2031 | ||
d053de91 | 2032 | void be_detect_dump_ue(struct be_adapter *adapter) |
7c185276 AK |
2033 | { |
2034 | u32 ue_status_lo, ue_status_hi, ue_status_lo_mask, ue_status_hi_mask; | |
2035 | u32 i; | |
2036 | ||
2037 | pci_read_config_dword(adapter->pdev, | |
2038 | PCICFG_UE_STATUS_LOW, &ue_status_lo); | |
2039 | pci_read_config_dword(adapter->pdev, | |
2040 | PCICFG_UE_STATUS_HIGH, &ue_status_hi); | |
2041 | pci_read_config_dword(adapter->pdev, | |
2042 | PCICFG_UE_STATUS_LOW_MASK, &ue_status_lo_mask); | |
2043 | pci_read_config_dword(adapter->pdev, | |
2044 | PCICFG_UE_STATUS_HI_MASK, &ue_status_hi_mask); | |
2045 | ||
2046 | ue_status_lo = (ue_status_lo & (~ue_status_lo_mask)); | |
2047 | ue_status_hi = (ue_status_hi & (~ue_status_hi_mask)); | |
2048 | ||
d053de91 AK |
2049 | if (ue_status_lo || ue_status_hi) { |
2050 | adapter->ue_detected = true; | |
7acc2087 | 2051 | adapter->eeh_err = true; |
d053de91 AK |
2052 | dev_err(&adapter->pdev->dev, "UE Detected!!\n"); |
2053 | } | |
2054 | ||
7c185276 AK |
2055 | if (ue_status_lo) { |
2056 | for (i = 0; ue_status_lo; ue_status_lo >>= 1, i++) { | |
2057 | if (ue_status_lo & 1) | |
2058 | dev_err(&adapter->pdev->dev, | |
2059 | "UE: %s bit set\n", ue_status_low_desc[i]); | |
2060 | } | |
2061 | } | |
2062 | if (ue_status_hi) { | |
2063 | for (i = 0; ue_status_hi; ue_status_hi >>= 1, i++) { | |
2064 | if (ue_status_hi & 1) | |
2065 | dev_err(&adapter->pdev->dev, | |
2066 | "UE: %s bit set\n", ue_status_hi_desc[i]); | |
2067 | } | |
2068 | } | |
2069 | ||
2070 | } | |
2071 | ||
ea1dae11 SP |
2072 | static void be_worker(struct work_struct *work) |
2073 | { | |
2074 | struct be_adapter *adapter = | |
2075 | container_of(work, struct be_adapter, work.work); | |
3abcdeda | 2076 | struct be_rx_obj *rxo; |
3c8def97 | 2077 | struct be_tx_obj *txo; |
3abcdeda | 2078 | int i; |
ea1dae11 | 2079 | |
16da8250 SP |
2080 | if (!adapter->ue_detected && !lancer_chip(adapter)) |
2081 | be_detect_dump_ue(adapter); | |
2082 | ||
f203af70 SK |
2083 | /* when interrupts are not yet enabled, just reap any pending |
2084 | * mcc completions */ | |
2085 | if (!netif_running(adapter->netdev)) { | |
2086 | int mcc_compl, status = 0; | |
2087 | ||
2088 | mcc_compl = be_process_mcc(adapter, &status); | |
2089 | ||
2090 | if (mcc_compl) { | |
2091 | struct be_mcc_obj *mcc_obj = &adapter->mcc_obj; | |
2092 | be_cq_notify(adapter, mcc_obj->cq.id, false, mcc_compl); | |
2093 | } | |
9b037f38 | 2094 | |
f203af70 SK |
2095 | goto reschedule; |
2096 | } | |
2097 | ||
005d5696 SX |
2098 | if (!adapter->stats_cmd_sent) { |
2099 | if (lancer_chip(adapter)) | |
2100 | lancer_cmd_get_pport_stats(adapter, | |
2101 | &adapter->stats_cmd); | |
2102 | else | |
2103 | be_cmd_get_stats(adapter, &adapter->stats_cmd); | |
2104 | } | |
3c8def97 SP |
2105 | |
2106 | for_all_tx_queues(adapter, txo, i) | |
2107 | be_tx_rate_update(txo); | |
4097f663 | 2108 | |
3abcdeda SP |
2109 | for_all_rx_queues(adapter, rxo, i) { |
2110 | be_rx_rate_update(rxo); | |
2111 | be_rx_eqd_update(adapter, rxo); | |
2112 | ||
2113 | if (rxo->rx_post_starved) { | |
2114 | rxo->rx_post_starved = false; | |
1829b086 | 2115 | be_post_rx_frags(rxo, GFP_KERNEL); |
3abcdeda | 2116 | } |
ea1dae11 SP |
2117 | } |
2118 | ||
f203af70 | 2119 | reschedule: |
e74fbd03 | 2120 | adapter->work_counter++; |
ea1dae11 SP |
2121 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(1000)); |
2122 | } | |
2123 | ||
8d56ff11 SP |
2124 | static void be_msix_disable(struct be_adapter *adapter) |
2125 | { | |
ac6a0c4a | 2126 | if (msix_enabled(adapter)) { |
8d56ff11 | 2127 | pci_disable_msix(adapter->pdev); |
ac6a0c4a | 2128 | adapter->num_msix_vec = 0; |
3abcdeda SP |
2129 | } |
2130 | } | |
2131 | ||
6b7c5b94 SP |
2132 | static void be_msix_enable(struct be_adapter *adapter) |
2133 | { | |
3abcdeda | 2134 | #define BE_MIN_MSIX_VECTORS (1 + 1) /* Rx + Tx */ |
ac6a0c4a | 2135 | int i, status, num_vec; |
6b7c5b94 | 2136 | |
ac6a0c4a | 2137 | num_vec = be_num_rxqs_want(adapter) + 1; |
3abcdeda | 2138 | |
ac6a0c4a | 2139 | for (i = 0; i < num_vec; i++) |
6b7c5b94 SP |
2140 | adapter->msix_entries[i].entry = i; |
2141 | ||
ac6a0c4a | 2142 | status = pci_enable_msix(adapter->pdev, adapter->msix_entries, num_vec); |
3abcdeda SP |
2143 | if (status == 0) { |
2144 | goto done; | |
2145 | } else if (status >= BE_MIN_MSIX_VECTORS) { | |
ac6a0c4a | 2146 | num_vec = status; |
3abcdeda | 2147 | if (pci_enable_msix(adapter->pdev, adapter->msix_entries, |
ac6a0c4a | 2148 | num_vec) == 0) |
3abcdeda | 2149 | goto done; |
3abcdeda SP |
2150 | } |
2151 | return; | |
2152 | done: | |
ac6a0c4a SP |
2153 | adapter->num_msix_vec = num_vec; |
2154 | return; | |
6b7c5b94 SP |
2155 | } |
2156 | ||
ba343c77 SB |
2157 | static void be_sriov_enable(struct be_adapter *adapter) |
2158 | { | |
344dbf10 | 2159 | be_check_sriov_fn_type(adapter); |
6dedec81 | 2160 | #ifdef CONFIG_PCI_IOV |
ba343c77 | 2161 | if (be_physfn(adapter) && num_vfs) { |
81be8f0a AK |
2162 | int status, pos; |
2163 | u16 nvfs; | |
2164 | ||
2165 | pos = pci_find_ext_capability(adapter->pdev, | |
2166 | PCI_EXT_CAP_ID_SRIOV); | |
2167 | pci_read_config_word(adapter->pdev, | |
2168 | pos + PCI_SRIOV_TOTAL_VF, &nvfs); | |
2169 | ||
2170 | if (num_vfs > nvfs) { | |
2171 | dev_info(&adapter->pdev->dev, | |
2172 | "Device supports %d VFs and not %d\n", | |
2173 | nvfs, num_vfs); | |
2174 | num_vfs = nvfs; | |
2175 | } | |
6dedec81 | 2176 | |
ba343c77 SB |
2177 | status = pci_enable_sriov(adapter->pdev, num_vfs); |
2178 | adapter->sriov_enabled = status ? false : true; | |
2179 | } | |
2180 | #endif | |
ba343c77 SB |
2181 | } |
2182 | ||
2183 | static void be_sriov_disable(struct be_adapter *adapter) | |
2184 | { | |
2185 | #ifdef CONFIG_PCI_IOV | |
2186 | if (adapter->sriov_enabled) { | |
2187 | pci_disable_sriov(adapter->pdev); | |
2188 | adapter->sriov_enabled = false; | |
2189 | } | |
2190 | #endif | |
2191 | } | |
2192 | ||
fe6d2a38 SP |
2193 | static inline int be_msix_vec_get(struct be_adapter *adapter, |
2194 | struct be_eq_obj *eq_obj) | |
6b7c5b94 | 2195 | { |
ecd62107 | 2196 | return adapter->msix_entries[eq_obj->eq_idx].vector; |
6b7c5b94 SP |
2197 | } |
2198 | ||
b628bde2 SP |
2199 | static int be_request_irq(struct be_adapter *adapter, |
2200 | struct be_eq_obj *eq_obj, | |
3abcdeda | 2201 | void *handler, char *desc, void *context) |
6b7c5b94 SP |
2202 | { |
2203 | struct net_device *netdev = adapter->netdev; | |
b628bde2 SP |
2204 | int vec; |
2205 | ||
2206 | sprintf(eq_obj->desc, "%s-%s", netdev->name, desc); | |
fe6d2a38 | 2207 | vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 2208 | return request_irq(vec, handler, 0, eq_obj->desc, context); |
b628bde2 SP |
2209 | } |
2210 | ||
3abcdeda SP |
2211 | static void be_free_irq(struct be_adapter *adapter, struct be_eq_obj *eq_obj, |
2212 | void *context) | |
b628bde2 | 2213 | { |
fe6d2a38 | 2214 | int vec = be_msix_vec_get(adapter, eq_obj); |
3abcdeda | 2215 | free_irq(vec, context); |
b628bde2 | 2216 | } |
6b7c5b94 | 2217 | |
b628bde2 SP |
2218 | static int be_msix_register(struct be_adapter *adapter) |
2219 | { | |
3abcdeda SP |
2220 | struct be_rx_obj *rxo; |
2221 | int status, i; | |
2222 | char qname[10]; | |
b628bde2 | 2223 | |
3abcdeda SP |
2224 | status = be_request_irq(adapter, &adapter->tx_eq, be_msix_tx_mcc, "tx", |
2225 | adapter); | |
6b7c5b94 SP |
2226 | if (status) |
2227 | goto err; | |
2228 | ||
3abcdeda SP |
2229 | for_all_rx_queues(adapter, rxo, i) { |
2230 | sprintf(qname, "rxq%d", i); | |
2231 | status = be_request_irq(adapter, &rxo->rx_eq, be_msix_rx, | |
2232 | qname, rxo); | |
2233 | if (status) | |
2234 | goto err_msix; | |
2235 | } | |
b628bde2 | 2236 | |
6b7c5b94 | 2237 | return 0; |
b628bde2 | 2238 | |
3abcdeda SP |
2239 | err_msix: |
2240 | be_free_irq(adapter, &adapter->tx_eq, adapter); | |
2241 | ||
2242 | for (i--, rxo = &adapter->rx_obj[i]; i >= 0; i--, rxo--) | |
2243 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2244 | ||
6b7c5b94 SP |
2245 | err: |
2246 | dev_warn(&adapter->pdev->dev, | |
2247 | "MSIX Request IRQ failed - err %d\n", status); | |
ac6a0c4a | 2248 | be_msix_disable(adapter); |
6b7c5b94 SP |
2249 | return status; |
2250 | } | |
2251 | ||
2252 | static int be_irq_register(struct be_adapter *adapter) | |
2253 | { | |
2254 | struct net_device *netdev = adapter->netdev; | |
2255 | int status; | |
2256 | ||
ac6a0c4a | 2257 | if (msix_enabled(adapter)) { |
6b7c5b94 SP |
2258 | status = be_msix_register(adapter); |
2259 | if (status == 0) | |
2260 | goto done; | |
ba343c77 SB |
2261 | /* INTx is not supported for VF */ |
2262 | if (!be_physfn(adapter)) | |
2263 | return status; | |
6b7c5b94 SP |
2264 | } |
2265 | ||
2266 | /* INTx */ | |
2267 | netdev->irq = adapter->pdev->irq; | |
2268 | status = request_irq(netdev->irq, be_intx, IRQF_SHARED, netdev->name, | |
2269 | adapter); | |
2270 | if (status) { | |
2271 | dev_err(&adapter->pdev->dev, | |
2272 | "INTx request IRQ failed - err %d\n", status); | |
2273 | return status; | |
2274 | } | |
2275 | done: | |
2276 | adapter->isr_registered = true; | |
2277 | return 0; | |
2278 | } | |
2279 | ||
2280 | static void be_irq_unregister(struct be_adapter *adapter) | |
2281 | { | |
2282 | struct net_device *netdev = adapter->netdev; | |
3abcdeda SP |
2283 | struct be_rx_obj *rxo; |
2284 | int i; | |
6b7c5b94 SP |
2285 | |
2286 | if (!adapter->isr_registered) | |
2287 | return; | |
2288 | ||
2289 | /* INTx */ | |
ac6a0c4a | 2290 | if (!msix_enabled(adapter)) { |
6b7c5b94 SP |
2291 | free_irq(netdev->irq, adapter); |
2292 | goto done; | |
2293 | } | |
2294 | ||
2295 | /* MSIx */ | |
3abcdeda SP |
2296 | be_free_irq(adapter, &adapter->tx_eq, adapter); |
2297 | ||
2298 | for_all_rx_queues(adapter, rxo, i) | |
2299 | be_free_irq(adapter, &rxo->rx_eq, rxo); | |
2300 | ||
6b7c5b94 SP |
2301 | done: |
2302 | adapter->isr_registered = false; | |
6b7c5b94 SP |
2303 | } |
2304 | ||
889cd4b2 SP |
2305 | static int be_close(struct net_device *netdev) |
2306 | { | |
2307 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda | 2308 | struct be_rx_obj *rxo; |
3c8def97 | 2309 | struct be_tx_obj *txo; |
889cd4b2 | 2310 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2311 | int vec, i; |
889cd4b2 | 2312 | |
889cd4b2 SP |
2313 | be_async_mcc_disable(adapter); |
2314 | ||
889cd4b2 SP |
2315 | netif_carrier_off(netdev); |
2316 | adapter->link_up = false; | |
2317 | ||
fe6d2a38 SP |
2318 | if (!lancer_chip(adapter)) |
2319 | be_intr_set(adapter, false); | |
889cd4b2 | 2320 | |
63fcb27f PR |
2321 | for_all_rx_queues(adapter, rxo, i) |
2322 | napi_disable(&rxo->rx_eq.napi); | |
2323 | ||
2324 | napi_disable(&tx_eq->napi); | |
2325 | ||
2326 | if (lancer_chip(adapter)) { | |
63fcb27f PR |
2327 | be_cq_notify(adapter, adapter->mcc_obj.cq.id, false, 0); |
2328 | for_all_rx_queues(adapter, rxo, i) | |
2329 | be_cq_notify(adapter, rxo->cq.id, false, 0); | |
3c8def97 SP |
2330 | for_all_tx_queues(adapter, txo, i) |
2331 | be_cq_notify(adapter, txo->cq.id, false, 0); | |
63fcb27f PR |
2332 | } |
2333 | ||
ac6a0c4a | 2334 | if (msix_enabled(adapter)) { |
fe6d2a38 | 2335 | vec = be_msix_vec_get(adapter, tx_eq); |
889cd4b2 | 2336 | synchronize_irq(vec); |
3abcdeda SP |
2337 | |
2338 | for_all_rx_queues(adapter, rxo, i) { | |
fe6d2a38 | 2339 | vec = be_msix_vec_get(adapter, &rxo->rx_eq); |
3abcdeda SP |
2340 | synchronize_irq(vec); |
2341 | } | |
889cd4b2 SP |
2342 | } else { |
2343 | synchronize_irq(netdev->irq); | |
2344 | } | |
2345 | be_irq_unregister(adapter); | |
2346 | ||
889cd4b2 SP |
2347 | /* Wait for all pending tx completions to arrive so that |
2348 | * all tx skbs are freed. | |
2349 | */ | |
3c8def97 SP |
2350 | for_all_tx_queues(adapter, txo, i) |
2351 | be_tx_compl_clean(adapter, txo); | |
889cd4b2 SP |
2352 | |
2353 | return 0; | |
2354 | } | |
2355 | ||
6b7c5b94 SP |
2356 | static int be_open(struct net_device *netdev) |
2357 | { | |
2358 | struct be_adapter *adapter = netdev_priv(netdev); | |
6b7c5b94 | 2359 | struct be_eq_obj *tx_eq = &adapter->tx_eq; |
3abcdeda | 2360 | struct be_rx_obj *rxo; |
a8f447bd | 2361 | bool link_up; |
3abcdeda | 2362 | int status, i; |
0388f251 SB |
2363 | u8 mac_speed; |
2364 | u16 link_speed; | |
5fb379ee | 2365 | |
3abcdeda | 2366 | for_all_rx_queues(adapter, rxo, i) { |
1829b086 | 2367 | be_post_rx_frags(rxo, GFP_KERNEL); |
3abcdeda SP |
2368 | napi_enable(&rxo->rx_eq.napi); |
2369 | } | |
5fb379ee SP |
2370 | napi_enable(&tx_eq->napi); |
2371 | ||
2372 | be_irq_register(adapter); | |
2373 | ||
fe6d2a38 SP |
2374 | if (!lancer_chip(adapter)) |
2375 | be_intr_set(adapter, true); | |
5fb379ee SP |
2376 | |
2377 | /* The evt queues are created in unarmed state; arm them */ | |
3abcdeda SP |
2378 | for_all_rx_queues(adapter, rxo, i) { |
2379 | be_eq_notify(adapter, rxo->rx_eq.q.id, true, false, 0); | |
2380 | be_cq_notify(adapter, rxo->cq.id, true, 0); | |
2381 | } | |
8788fdc2 | 2382 | be_eq_notify(adapter, tx_eq->q.id, true, false, 0); |
5fb379ee | 2383 | |
7a1e9b20 SP |
2384 | /* Now that interrupts are on we can process async mcc */ |
2385 | be_async_mcc_enable(adapter); | |
2386 | ||
0388f251 | 2387 | status = be_cmd_link_status_query(adapter, &link_up, &mac_speed, |
187e8756 | 2388 | &link_speed, 0); |
a8f447bd | 2389 | if (status) |
889cd4b2 | 2390 | goto err; |
a8f447bd | 2391 | be_link_status_update(adapter, link_up); |
5fb379ee | 2392 | |
889cd4b2 | 2393 | if (be_physfn(adapter)) { |
1da87b7f | 2394 | status = be_vid_config(adapter, false, 0); |
889cd4b2 SP |
2395 | if (status) |
2396 | goto err; | |
4f2aa89c | 2397 | |
ba343c77 SB |
2398 | status = be_cmd_set_flow_control(adapter, |
2399 | adapter->tx_fc, adapter->rx_fc); | |
2400 | if (status) | |
889cd4b2 | 2401 | goto err; |
ba343c77 | 2402 | } |
4f2aa89c | 2403 | |
889cd4b2 SP |
2404 | return 0; |
2405 | err: | |
2406 | be_close(adapter->netdev); | |
2407 | return -EIO; | |
5fb379ee SP |
2408 | } |
2409 | ||
71d8d1b5 AK |
2410 | static int be_setup_wol(struct be_adapter *adapter, bool enable) |
2411 | { | |
2412 | struct be_dma_mem cmd; | |
2413 | int status = 0; | |
2414 | u8 mac[ETH_ALEN]; | |
2415 | ||
2416 | memset(mac, 0, ETH_ALEN); | |
2417 | ||
2418 | cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config); | |
2b7bcebf IV |
2419 | cmd.va = dma_alloc_coherent(&adapter->pdev->dev, cmd.size, &cmd.dma, |
2420 | GFP_KERNEL); | |
71d8d1b5 AK |
2421 | if (cmd.va == NULL) |
2422 | return -1; | |
2423 | memset(cmd.va, 0, cmd.size); | |
2424 | ||
2425 | if (enable) { | |
2426 | status = pci_write_config_dword(adapter->pdev, | |
2427 | PCICFG_PM_CONTROL_OFFSET, PCICFG_PM_CONTROL_MASK); | |
2428 | if (status) { | |
2429 | dev_err(&adapter->pdev->dev, | |
2381a55c | 2430 | "Could not enable Wake-on-lan\n"); |
2b7bcebf IV |
2431 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, |
2432 | cmd.dma); | |
71d8d1b5 AK |
2433 | return status; |
2434 | } | |
2435 | status = be_cmd_enable_magic_wol(adapter, | |
2436 | adapter->netdev->dev_addr, &cmd); | |
2437 | pci_enable_wake(adapter->pdev, PCI_D3hot, 1); | |
2438 | pci_enable_wake(adapter->pdev, PCI_D3cold, 1); | |
2439 | } else { | |
2440 | status = be_cmd_enable_magic_wol(adapter, mac, &cmd); | |
2441 | pci_enable_wake(adapter->pdev, PCI_D3hot, 0); | |
2442 | pci_enable_wake(adapter->pdev, PCI_D3cold, 0); | |
2443 | } | |
2444 | ||
2b7bcebf | 2445 | dma_free_coherent(&adapter->pdev->dev, cmd.size, cmd.va, cmd.dma); |
71d8d1b5 AK |
2446 | return status; |
2447 | } | |
2448 | ||
6d87f5c3 AK |
2449 | /* |
2450 | * Generate a seed MAC address from the PF MAC Address using jhash. | |
2451 | * MAC Address for VFs are assigned incrementally starting from the seed. | |
2452 | * These addresses are programmed in the ASIC by the PF and the VF driver | |
2453 | * queries for the MAC address during its probe. | |
2454 | */ | |
2455 | static inline int be_vf_eth_addr_config(struct be_adapter *adapter) | |
2456 | { | |
2457 | u32 vf = 0; | |
3abcdeda | 2458 | int status = 0; |
6d87f5c3 AK |
2459 | u8 mac[ETH_ALEN]; |
2460 | ||
2461 | be_vf_eth_addr_generate(adapter, mac); | |
2462 | ||
2463 | for (vf = 0; vf < num_vfs; vf++) { | |
2464 | status = be_cmd_pmac_add(adapter, mac, | |
2465 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 AK |
2466 | &adapter->vf_cfg[vf].vf_pmac_id, |
2467 | vf + 1); | |
6d87f5c3 AK |
2468 | if (status) |
2469 | dev_err(&adapter->pdev->dev, | |
2470 | "Mac address add failed for VF %d\n", vf); | |
2471 | else | |
2472 | memcpy(adapter->vf_cfg[vf].vf_mac_addr, mac, ETH_ALEN); | |
2473 | ||
2474 | mac[5] += 1; | |
2475 | } | |
2476 | return status; | |
2477 | } | |
2478 | ||
2479 | static inline void be_vf_eth_addr_rem(struct be_adapter *adapter) | |
2480 | { | |
2481 | u32 vf; | |
2482 | ||
2483 | for (vf = 0; vf < num_vfs; vf++) { | |
2484 | if (adapter->vf_cfg[vf].vf_pmac_id != BE_INVALID_PMAC_ID) | |
2485 | be_cmd_pmac_del(adapter, | |
2486 | adapter->vf_cfg[vf].vf_if_handle, | |
f8617e08 | 2487 | adapter->vf_cfg[vf].vf_pmac_id, vf + 1); |
6d87f5c3 AK |
2488 | } |
2489 | } | |
2490 | ||
5fb379ee SP |
2491 | static int be_setup(struct be_adapter *adapter) |
2492 | { | |
5fb379ee | 2493 | struct net_device *netdev = adapter->netdev; |
ba343c77 | 2494 | u32 cap_flags, en_flags, vf = 0; |
6b7c5b94 | 2495 | int status; |
ba343c77 SB |
2496 | u8 mac[ETH_ALEN]; |
2497 | ||
f21b538c PR |
2498 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | |
2499 | BE_IF_FLAGS_BROADCAST | | |
2500 | BE_IF_FLAGS_MULTICAST; | |
6b7c5b94 | 2501 | |
ba343c77 SB |
2502 | if (be_physfn(adapter)) { |
2503 | cap_flags |= BE_IF_FLAGS_MCAST_PROMISCUOUS | | |
2504 | BE_IF_FLAGS_PROMISCUOUS | | |
2505 | BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
2506 | en_flags |= BE_IF_FLAGS_PASS_L3L4_ERRORS; | |
3abcdeda | 2507 | |
ac6a0c4a | 2508 | if (adapter->function_caps & BE_FUNCTION_CAPS_RSS) { |
3abcdeda SP |
2509 | cap_flags |= BE_IF_FLAGS_RSS; |
2510 | en_flags |= BE_IF_FLAGS_RSS; | |
2511 | } | |
ba343c77 | 2512 | } |
73d540f2 SP |
2513 | |
2514 | status = be_cmd_if_create(adapter, cap_flags, en_flags, | |
2515 | netdev->dev_addr, false/* pmac_invalid */, | |
ba343c77 | 2516 | &adapter->if_handle, &adapter->pmac_id, 0); |
6b7c5b94 SP |
2517 | if (status != 0) |
2518 | goto do_none; | |
2519 | ||
ba343c77 | 2520 | if (be_physfn(adapter)) { |
c99ac3e7 AK |
2521 | if (adapter->sriov_enabled) { |
2522 | while (vf < num_vfs) { | |
2523 | cap_flags = en_flags = BE_IF_FLAGS_UNTAGGED | | |
2524 | BE_IF_FLAGS_BROADCAST; | |
2525 | status = be_cmd_if_create(adapter, cap_flags, | |
2526 | en_flags, mac, true, | |
64600ea5 | 2527 | &adapter->vf_cfg[vf].vf_if_handle, |
ba343c77 | 2528 | NULL, vf+1); |
c99ac3e7 AK |
2529 | if (status) { |
2530 | dev_err(&adapter->pdev->dev, | |
2531 | "Interface Create failed for VF %d\n", | |
2532 | vf); | |
2533 | goto if_destroy; | |
2534 | } | |
2535 | adapter->vf_cfg[vf].vf_pmac_id = | |
2536 | BE_INVALID_PMAC_ID; | |
2537 | vf++; | |
ba343c77 | 2538 | } |
84e5b9f7 | 2539 | } |
c99ac3e7 | 2540 | } else { |
ba343c77 SB |
2541 | status = be_cmd_mac_addr_query(adapter, mac, |
2542 | MAC_ADDRESS_TYPE_NETWORK, false, adapter->if_handle); | |
2543 | if (!status) { | |
2544 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
2545 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
2546 | } | |
2547 | } | |
2548 | ||
6b7c5b94 SP |
2549 | status = be_tx_queues_create(adapter); |
2550 | if (status != 0) | |
2551 | goto if_destroy; | |
2552 | ||
2553 | status = be_rx_queues_create(adapter); | |
2554 | if (status != 0) | |
2555 | goto tx_qs_destroy; | |
2556 | ||
2903dd65 SP |
2557 | /* Allow all priorities by default. A GRP5 evt may modify this */ |
2558 | adapter->vlan_prio_bmap = 0xff; | |
2559 | ||
5fb379ee SP |
2560 | status = be_mcc_queues_create(adapter); |
2561 | if (status != 0) | |
2562 | goto rx_qs_destroy; | |
6b7c5b94 | 2563 | |
0dffc83e AK |
2564 | adapter->link_speed = -1; |
2565 | ||
6b7c5b94 SP |
2566 | return 0; |
2567 | ||
5fb379ee SP |
2568 | rx_qs_destroy: |
2569 | be_rx_queues_destroy(adapter); | |
6b7c5b94 SP |
2570 | tx_qs_destroy: |
2571 | be_tx_queues_destroy(adapter); | |
2572 | if_destroy: | |
c99ac3e7 AK |
2573 | if (be_physfn(adapter) && adapter->sriov_enabled) |
2574 | for (vf = 0; vf < num_vfs; vf++) | |
2575 | if (adapter->vf_cfg[vf].vf_if_handle) | |
2576 | be_cmd_if_destroy(adapter, | |
658681f7 AK |
2577 | adapter->vf_cfg[vf].vf_if_handle, |
2578 | vf + 1); | |
2579 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); | |
6b7c5b94 SP |
2580 | do_none: |
2581 | return status; | |
2582 | } | |
2583 | ||
5fb379ee SP |
2584 | static int be_clear(struct be_adapter *adapter) |
2585 | { | |
7ab8b0b4 AK |
2586 | int vf; |
2587 | ||
c99ac3e7 | 2588 | if (be_physfn(adapter) && adapter->sriov_enabled) |
6d87f5c3 AK |
2589 | be_vf_eth_addr_rem(adapter); |
2590 | ||
1a8887d8 | 2591 | be_mcc_queues_destroy(adapter); |
5fb379ee SP |
2592 | be_rx_queues_destroy(adapter); |
2593 | be_tx_queues_destroy(adapter); | |
1f5db833 | 2594 | adapter->eq_next_idx = 0; |
5fb379ee | 2595 | |
7ab8b0b4 AK |
2596 | if (be_physfn(adapter) && adapter->sriov_enabled) |
2597 | for (vf = 0; vf < num_vfs; vf++) | |
2598 | if (adapter->vf_cfg[vf].vf_if_handle) | |
2599 | be_cmd_if_destroy(adapter, | |
2600 | adapter->vf_cfg[vf].vf_if_handle, | |
2601 | vf + 1); | |
2602 | ||
658681f7 | 2603 | be_cmd_if_destroy(adapter, adapter->if_handle, 0); |
5fb379ee | 2604 | |
2243e2e9 SP |
2605 | /* tell fw we're done with firing cmds */ |
2606 | be_cmd_fw_clean(adapter); | |
5fb379ee SP |
2607 | return 0; |
2608 | } | |
2609 | ||
6b7c5b94 | 2610 | |
84517482 | 2611 | #define FW_FILE_HDR_SIGN "ServerEngines Corp. " |
fa9a6fed | 2612 | static bool be_flash_redboot(struct be_adapter *adapter, |
3f0d4560 AK |
2613 | const u8 *p, u32 img_start, int image_size, |
2614 | int hdr_size) | |
fa9a6fed SB |
2615 | { |
2616 | u32 crc_offset; | |
2617 | u8 flashed_crc[4]; | |
2618 | int status; | |
3f0d4560 AK |
2619 | |
2620 | crc_offset = hdr_size + img_start + image_size - 4; | |
2621 | ||
fa9a6fed | 2622 | p += crc_offset; |
3f0d4560 AK |
2623 | |
2624 | status = be_cmd_get_flash_crc(adapter, flashed_crc, | |
f510fc64 | 2625 | (image_size - 4)); |
fa9a6fed SB |
2626 | if (status) { |
2627 | dev_err(&adapter->pdev->dev, | |
2628 | "could not get crc from flash, not flashing redboot\n"); | |
2629 | return false; | |
2630 | } | |
2631 | ||
2632 | /*update redboot only if crc does not match*/ | |
2633 | if (!memcmp(flashed_crc, p, 4)) | |
2634 | return false; | |
2635 | else | |
2636 | return true; | |
fa9a6fed SB |
2637 | } |
2638 | ||
3f0d4560 | 2639 | static int be_flash_data(struct be_adapter *adapter, |
84517482 | 2640 | const struct firmware *fw, |
3f0d4560 AK |
2641 | struct be_dma_mem *flash_cmd, int num_of_images) |
2642 | ||
84517482 | 2643 | { |
3f0d4560 AK |
2644 | int status = 0, i, filehdr_size = 0; |
2645 | u32 total_bytes = 0, flash_op; | |
84517482 AK |
2646 | int num_bytes; |
2647 | const u8 *p = fw->data; | |
2648 | struct be_cmd_write_flashrom *req = flash_cmd->va; | |
215faf9c | 2649 | const struct flash_comp *pflashcomp; |
9fe96934 | 2650 | int num_comp; |
3f0d4560 | 2651 | |
215faf9c | 2652 | static const struct flash_comp gen3_flash_types[9] = { |
3f0d4560 AK |
2653 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g3, IMG_TYPE_ISCSI_ACTIVE, |
2654 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2655 | { FLASH_REDBOOT_START_g3, IMG_TYPE_REDBOOT, | |
2656 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g3}, | |
2657 | { FLASH_iSCSI_BIOS_START_g3, IMG_TYPE_BIOS, | |
2658 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2659 | { FLASH_PXE_BIOS_START_g3, IMG_TYPE_PXE_BIOS, | |
2660 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2661 | { FLASH_FCoE_BIOS_START_g3, IMG_TYPE_FCOE_BIOS, | |
2662 | FLASH_BIOS_IMAGE_MAX_SIZE_g3}, | |
2663 | { FLASH_iSCSI_BACKUP_IMAGE_START_g3, IMG_TYPE_ISCSI_BACKUP, | |
2664 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2665 | { FLASH_FCoE_PRIMARY_IMAGE_START_g3, IMG_TYPE_FCOE_FW_ACTIVE, | |
2666 | FLASH_IMAGE_MAX_SIZE_g3}, | |
2667 | { FLASH_FCoE_BACKUP_IMAGE_START_g3, IMG_TYPE_FCOE_FW_BACKUP, | |
9fe96934 SB |
2668 | FLASH_IMAGE_MAX_SIZE_g3}, |
2669 | { FLASH_NCSI_START_g3, IMG_TYPE_NCSI_FW, | |
2670 | FLASH_NCSI_IMAGE_MAX_SIZE_g3} | |
3f0d4560 | 2671 | }; |
215faf9c | 2672 | static const struct flash_comp gen2_flash_types[8] = { |
3f0d4560 AK |
2673 | { FLASH_iSCSI_PRIMARY_IMAGE_START_g2, IMG_TYPE_ISCSI_ACTIVE, |
2674 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2675 | { FLASH_REDBOOT_START_g2, IMG_TYPE_REDBOOT, | |
2676 | FLASH_REDBOOT_IMAGE_MAX_SIZE_g2}, | |
2677 | { FLASH_iSCSI_BIOS_START_g2, IMG_TYPE_BIOS, | |
2678 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2679 | { FLASH_PXE_BIOS_START_g2, IMG_TYPE_PXE_BIOS, | |
2680 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2681 | { FLASH_FCoE_BIOS_START_g2, IMG_TYPE_FCOE_BIOS, | |
2682 | FLASH_BIOS_IMAGE_MAX_SIZE_g2}, | |
2683 | { FLASH_iSCSI_BACKUP_IMAGE_START_g2, IMG_TYPE_ISCSI_BACKUP, | |
2684 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2685 | { FLASH_FCoE_PRIMARY_IMAGE_START_g2, IMG_TYPE_FCOE_FW_ACTIVE, | |
2686 | FLASH_IMAGE_MAX_SIZE_g2}, | |
2687 | { FLASH_FCoE_BACKUP_IMAGE_START_g2, IMG_TYPE_FCOE_FW_BACKUP, | |
2688 | FLASH_IMAGE_MAX_SIZE_g2} | |
2689 | }; | |
2690 | ||
2691 | if (adapter->generation == BE_GEN3) { | |
2692 | pflashcomp = gen3_flash_types; | |
2693 | filehdr_size = sizeof(struct flash_file_hdr_g3); | |
215faf9c | 2694 | num_comp = ARRAY_SIZE(gen3_flash_types); |
3f0d4560 AK |
2695 | } else { |
2696 | pflashcomp = gen2_flash_types; | |
2697 | filehdr_size = sizeof(struct flash_file_hdr_g2); | |
215faf9c | 2698 | num_comp = ARRAY_SIZE(gen2_flash_types); |
84517482 | 2699 | } |
9fe96934 SB |
2700 | for (i = 0; i < num_comp; i++) { |
2701 | if ((pflashcomp[i].optype == IMG_TYPE_NCSI_FW) && | |
2702 | memcmp(adapter->fw_ver, "3.102.148.0", 11) < 0) | |
2703 | continue; | |
3f0d4560 AK |
2704 | if ((pflashcomp[i].optype == IMG_TYPE_REDBOOT) && |
2705 | (!be_flash_redboot(adapter, fw->data, | |
fae21a4d AK |
2706 | pflashcomp[i].offset, pflashcomp[i].size, filehdr_size + |
2707 | (num_of_images * sizeof(struct image_hdr))))) | |
3f0d4560 AK |
2708 | continue; |
2709 | p = fw->data; | |
2710 | p += filehdr_size + pflashcomp[i].offset | |
2711 | + (num_of_images * sizeof(struct image_hdr)); | |
2712 | if (p + pflashcomp[i].size > fw->data + fw->size) | |
84517482 | 2713 | return -1; |
3f0d4560 AK |
2714 | total_bytes = pflashcomp[i].size; |
2715 | while (total_bytes) { | |
2716 | if (total_bytes > 32*1024) | |
2717 | num_bytes = 32*1024; | |
2718 | else | |
2719 | num_bytes = total_bytes; | |
2720 | total_bytes -= num_bytes; | |
2721 | ||
2722 | if (!total_bytes) | |
2723 | flash_op = FLASHROM_OPER_FLASH; | |
2724 | else | |
2725 | flash_op = FLASHROM_OPER_SAVE; | |
2726 | memcpy(req->params.data_buf, p, num_bytes); | |
2727 | p += num_bytes; | |
2728 | status = be_cmd_write_flashrom(adapter, flash_cmd, | |
2729 | pflashcomp[i].optype, flash_op, num_bytes); | |
2730 | if (status) { | |
2731 | dev_err(&adapter->pdev->dev, | |
2732 | "cmd to write to flash rom failed.\n"); | |
2733 | return -1; | |
2734 | } | |
84517482 | 2735 | } |
84517482 | 2736 | } |
84517482 AK |
2737 | return 0; |
2738 | } | |
2739 | ||
3f0d4560 AK |
2740 | static int get_ufigen_type(struct flash_file_hdr_g2 *fhdr) |
2741 | { | |
2742 | if (fhdr == NULL) | |
2743 | return 0; | |
2744 | if (fhdr->build[0] == '3') | |
2745 | return BE_GEN3; | |
2746 | else if (fhdr->build[0] == '2') | |
2747 | return BE_GEN2; | |
2748 | else | |
2749 | return 0; | |
2750 | } | |
2751 | ||
485bf569 SN |
2752 | static int lancer_fw_download(struct be_adapter *adapter, |
2753 | const struct firmware *fw) | |
84517482 | 2754 | { |
485bf569 SN |
2755 | #define LANCER_FW_DOWNLOAD_CHUNK (32 * 1024) |
2756 | #define LANCER_FW_DOWNLOAD_LOCATION "/prg" | |
84517482 | 2757 | struct be_dma_mem flash_cmd; |
485bf569 SN |
2758 | const u8 *data_ptr = NULL; |
2759 | u8 *dest_image_ptr = NULL; | |
2760 | size_t image_size = 0; | |
2761 | u32 chunk_size = 0; | |
2762 | u32 data_written = 0; | |
2763 | u32 offset = 0; | |
2764 | int status = 0; | |
2765 | u8 add_status = 0; | |
84517482 | 2766 | |
485bf569 | 2767 | if (!IS_ALIGNED(fw->size, sizeof(u32))) { |
d9efd2af | 2768 | dev_err(&adapter->pdev->dev, |
485bf569 SN |
2769 | "FW Image not properly aligned. " |
2770 | "Length must be 4 byte aligned.\n"); | |
2771 | status = -EINVAL; | |
2772 | goto lancer_fw_exit; | |
d9efd2af SB |
2773 | } |
2774 | ||
485bf569 SN |
2775 | flash_cmd.size = sizeof(struct lancer_cmd_req_write_object) |
2776 | + LANCER_FW_DOWNLOAD_CHUNK; | |
2777 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, | |
2778 | &flash_cmd.dma, GFP_KERNEL); | |
2779 | if (!flash_cmd.va) { | |
2780 | status = -ENOMEM; | |
2781 | dev_err(&adapter->pdev->dev, | |
2782 | "Memory allocation failure while flashing\n"); | |
2783 | goto lancer_fw_exit; | |
2784 | } | |
84517482 | 2785 | |
485bf569 SN |
2786 | dest_image_ptr = flash_cmd.va + |
2787 | sizeof(struct lancer_cmd_req_write_object); | |
2788 | image_size = fw->size; | |
2789 | data_ptr = fw->data; | |
2790 | ||
2791 | while (image_size) { | |
2792 | chunk_size = min_t(u32, image_size, LANCER_FW_DOWNLOAD_CHUNK); | |
2793 | ||
2794 | /* Copy the image chunk content. */ | |
2795 | memcpy(dest_image_ptr, data_ptr, chunk_size); | |
2796 | ||
2797 | status = lancer_cmd_write_object(adapter, &flash_cmd, | |
2798 | chunk_size, offset, LANCER_FW_DOWNLOAD_LOCATION, | |
2799 | &data_written, &add_status); | |
2800 | ||
2801 | if (status) | |
2802 | break; | |
2803 | ||
2804 | offset += data_written; | |
2805 | data_ptr += data_written; | |
2806 | image_size -= data_written; | |
2807 | } | |
2808 | ||
2809 | if (!status) { | |
2810 | /* Commit the FW written */ | |
2811 | status = lancer_cmd_write_object(adapter, &flash_cmd, | |
2812 | 0, offset, LANCER_FW_DOWNLOAD_LOCATION, | |
2813 | &data_written, &add_status); | |
2814 | } | |
2815 | ||
2816 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, | |
2817 | flash_cmd.dma); | |
2818 | if (status) { | |
2819 | dev_err(&adapter->pdev->dev, | |
2820 | "Firmware load error. " | |
2821 | "Status code: 0x%x Additional Status: 0x%x\n", | |
2822 | status, add_status); | |
2823 | goto lancer_fw_exit; | |
2824 | } | |
2825 | ||
2826 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); | |
2827 | lancer_fw_exit: | |
2828 | return status; | |
2829 | } | |
2830 | ||
2831 | static int be_fw_download(struct be_adapter *adapter, const struct firmware* fw) | |
2832 | { | |
2833 | struct flash_file_hdr_g2 *fhdr; | |
2834 | struct flash_file_hdr_g3 *fhdr3; | |
2835 | struct image_hdr *img_hdr_ptr = NULL; | |
2836 | struct be_dma_mem flash_cmd; | |
2837 | const u8 *p; | |
2838 | int status = 0, i = 0, num_imgs = 0; | |
84517482 AK |
2839 | |
2840 | p = fw->data; | |
3f0d4560 | 2841 | fhdr = (struct flash_file_hdr_g2 *) p; |
84517482 | 2842 | |
84517482 | 2843 | flash_cmd.size = sizeof(struct be_cmd_write_flashrom) + 32*1024; |
2b7bcebf IV |
2844 | flash_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, flash_cmd.size, |
2845 | &flash_cmd.dma, GFP_KERNEL); | |
84517482 AK |
2846 | if (!flash_cmd.va) { |
2847 | status = -ENOMEM; | |
2848 | dev_err(&adapter->pdev->dev, | |
2849 | "Memory allocation failure while flashing\n"); | |
485bf569 | 2850 | goto be_fw_exit; |
84517482 AK |
2851 | } |
2852 | ||
3f0d4560 AK |
2853 | if ((adapter->generation == BE_GEN3) && |
2854 | (get_ufigen_type(fhdr) == BE_GEN3)) { | |
2855 | fhdr3 = (struct flash_file_hdr_g3 *) fw->data; | |
8b93b710 AK |
2856 | num_imgs = le32_to_cpu(fhdr3->num_imgs); |
2857 | for (i = 0; i < num_imgs; i++) { | |
3f0d4560 AK |
2858 | img_hdr_ptr = (struct image_hdr *) (fw->data + |
2859 | (sizeof(struct flash_file_hdr_g3) + | |
8b93b710 AK |
2860 | i * sizeof(struct image_hdr))); |
2861 | if (le32_to_cpu(img_hdr_ptr->imageid) == 1) | |
2862 | status = be_flash_data(adapter, fw, &flash_cmd, | |
2863 | num_imgs); | |
3f0d4560 AK |
2864 | } |
2865 | } else if ((adapter->generation == BE_GEN2) && | |
2866 | (get_ufigen_type(fhdr) == BE_GEN2)) { | |
2867 | status = be_flash_data(adapter, fw, &flash_cmd, 0); | |
2868 | } else { | |
2869 | dev_err(&adapter->pdev->dev, | |
2870 | "UFI and Interface are not compatible for flashing\n"); | |
2871 | status = -1; | |
84517482 AK |
2872 | } |
2873 | ||
2b7bcebf IV |
2874 | dma_free_coherent(&adapter->pdev->dev, flash_cmd.size, flash_cmd.va, |
2875 | flash_cmd.dma); | |
84517482 AK |
2876 | if (status) { |
2877 | dev_err(&adapter->pdev->dev, "Firmware load error\n"); | |
485bf569 | 2878 | goto be_fw_exit; |
84517482 AK |
2879 | } |
2880 | ||
af901ca1 | 2881 | dev_info(&adapter->pdev->dev, "Firmware flashed successfully\n"); |
84517482 | 2882 | |
485bf569 SN |
2883 | be_fw_exit: |
2884 | return status; | |
2885 | } | |
2886 | ||
2887 | int be_load_fw(struct be_adapter *adapter, u8 *fw_file) | |
2888 | { | |
2889 | const struct firmware *fw; | |
2890 | int status; | |
2891 | ||
2892 | if (!netif_running(adapter->netdev)) { | |
2893 | dev_err(&adapter->pdev->dev, | |
2894 | "Firmware load not allowed (interface is down)\n"); | |
2895 | return -1; | |
2896 | } | |
2897 | ||
2898 | status = request_firmware(&fw, fw_file, &adapter->pdev->dev); | |
2899 | if (status) | |
2900 | goto fw_exit; | |
2901 | ||
2902 | dev_info(&adapter->pdev->dev, "Flashing firmware file %s\n", fw_file); | |
2903 | ||
2904 | if (lancer_chip(adapter)) | |
2905 | status = lancer_fw_download(adapter, fw); | |
2906 | else | |
2907 | status = be_fw_download(adapter, fw); | |
2908 | ||
84517482 AK |
2909 | fw_exit: |
2910 | release_firmware(fw); | |
2911 | return status; | |
2912 | } | |
2913 | ||
6b7c5b94 SP |
2914 | static struct net_device_ops be_netdev_ops = { |
2915 | .ndo_open = be_open, | |
2916 | .ndo_stop = be_close, | |
2917 | .ndo_start_xmit = be_xmit, | |
6b7c5b94 SP |
2918 | .ndo_set_rx_mode = be_set_multicast_list, |
2919 | .ndo_set_mac_address = be_mac_addr_set, | |
2920 | .ndo_change_mtu = be_change_mtu, | |
2921 | .ndo_validate_addr = eth_validate_addr, | |
2922 | .ndo_vlan_rx_register = be_vlan_register, | |
2923 | .ndo_vlan_rx_add_vid = be_vlan_add_vid, | |
2924 | .ndo_vlan_rx_kill_vid = be_vlan_rem_vid, | |
64600ea5 | 2925 | .ndo_set_vf_mac = be_set_vf_mac, |
1da87b7f | 2926 | .ndo_set_vf_vlan = be_set_vf_vlan, |
e1d18735 | 2927 | .ndo_set_vf_tx_rate = be_set_vf_tx_rate, |
64600ea5 | 2928 | .ndo_get_vf_config = be_get_vf_config |
6b7c5b94 SP |
2929 | }; |
2930 | ||
2931 | static void be_netdev_init(struct net_device *netdev) | |
2932 | { | |
2933 | struct be_adapter *adapter = netdev_priv(netdev); | |
3abcdeda SP |
2934 | struct be_rx_obj *rxo; |
2935 | int i; | |
6b7c5b94 | 2936 | |
6332c8d3 | 2937 | netdev->hw_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
8b8ddc68 MM |
2938 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM | NETIF_F_RXCSUM | |
2939 | NETIF_F_HW_VLAN_TX; | |
2940 | if (be_multi_rxq(adapter)) | |
2941 | netdev->hw_features |= NETIF_F_RXHASH; | |
6332c8d3 MM |
2942 | |
2943 | netdev->features |= netdev->hw_features | | |
8b8ddc68 | 2944 | NETIF_F_HW_VLAN_RX | NETIF_F_HW_VLAN_FILTER; |
4b972914 | 2945 | |
eb8a50d9 | 2946 | netdev->vlan_features |= NETIF_F_SG | NETIF_F_TSO | NETIF_F_TSO6 | |
79032644 | 2947 | NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM; |
51c59870 | 2948 | |
6b7c5b94 SP |
2949 | netdev->flags |= IFF_MULTICAST; |
2950 | ||
9e90c961 AK |
2951 | /* Default settings for Rx and Tx flow control */ |
2952 | adapter->rx_fc = true; | |
2953 | adapter->tx_fc = true; | |
2954 | ||
c190e3c8 AK |
2955 | netif_set_gso_max_size(netdev, 65535); |
2956 | ||
6b7c5b94 SP |
2957 | BE_SET_NETDEV_OPS(netdev, &be_netdev_ops); |
2958 | ||
2959 | SET_ETHTOOL_OPS(netdev, &be_ethtool_ops); | |
2960 | ||
3abcdeda SP |
2961 | for_all_rx_queues(adapter, rxo, i) |
2962 | netif_napi_add(netdev, &rxo->rx_eq.napi, be_poll_rx, | |
2963 | BE_NAPI_WEIGHT); | |
2964 | ||
5fb379ee | 2965 | netif_napi_add(netdev, &adapter->tx_eq.napi, be_poll_tx_mcc, |
6b7c5b94 | 2966 | BE_NAPI_WEIGHT); |
6b7c5b94 SP |
2967 | } |
2968 | ||
2969 | static void be_unmap_pci_bars(struct be_adapter *adapter) | |
2970 | { | |
8788fdc2 SP |
2971 | if (adapter->csr) |
2972 | iounmap(adapter->csr); | |
2973 | if (adapter->db) | |
2974 | iounmap(adapter->db); | |
ba343c77 | 2975 | if (adapter->pcicfg && be_physfn(adapter)) |
8788fdc2 | 2976 | iounmap(adapter->pcicfg); |
6b7c5b94 SP |
2977 | } |
2978 | ||
2979 | static int be_map_pci_bars(struct be_adapter *adapter) | |
2980 | { | |
2981 | u8 __iomem *addr; | |
ba343c77 | 2982 | int pcicfg_reg, db_reg; |
6b7c5b94 | 2983 | |
fe6d2a38 SP |
2984 | if (lancer_chip(adapter)) { |
2985 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 0), | |
2986 | pci_resource_len(adapter->pdev, 0)); | |
2987 | if (addr == NULL) | |
2988 | return -ENOMEM; | |
2989 | adapter->db = addr; | |
2990 | return 0; | |
2991 | } | |
2992 | ||
ba343c77 SB |
2993 | if (be_physfn(adapter)) { |
2994 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, 2), | |
2995 | pci_resource_len(adapter->pdev, 2)); | |
2996 | if (addr == NULL) | |
2997 | return -ENOMEM; | |
2998 | adapter->csr = addr; | |
2999 | } | |
6b7c5b94 | 3000 | |
ba343c77 | 3001 | if (adapter->generation == BE_GEN2) { |
7b139c83 | 3002 | pcicfg_reg = 1; |
ba343c77 SB |
3003 | db_reg = 4; |
3004 | } else { | |
7b139c83 | 3005 | pcicfg_reg = 0; |
ba343c77 SB |
3006 | if (be_physfn(adapter)) |
3007 | db_reg = 4; | |
3008 | else | |
3009 | db_reg = 0; | |
3010 | } | |
3011 | addr = ioremap_nocache(pci_resource_start(adapter->pdev, db_reg), | |
3012 | pci_resource_len(adapter->pdev, db_reg)); | |
6b7c5b94 SP |
3013 | if (addr == NULL) |
3014 | goto pci_map_err; | |
ba343c77 SB |
3015 | adapter->db = addr; |
3016 | ||
3017 | if (be_physfn(adapter)) { | |
3018 | addr = ioremap_nocache( | |
3019 | pci_resource_start(adapter->pdev, pcicfg_reg), | |
3020 | pci_resource_len(adapter->pdev, pcicfg_reg)); | |
3021 | if (addr == NULL) | |
3022 | goto pci_map_err; | |
3023 | adapter->pcicfg = addr; | |
3024 | } else | |
3025 | adapter->pcicfg = adapter->db + SRIOV_VF_PCICFG_OFFSET; | |
6b7c5b94 SP |
3026 | |
3027 | return 0; | |
3028 | pci_map_err: | |
3029 | be_unmap_pci_bars(adapter); | |
3030 | return -ENOMEM; | |
3031 | } | |
3032 | ||
3033 | ||
3034 | static void be_ctrl_cleanup(struct be_adapter *adapter) | |
3035 | { | |
8788fdc2 | 3036 | struct be_dma_mem *mem = &adapter->mbox_mem_alloced; |
6b7c5b94 SP |
3037 | |
3038 | be_unmap_pci_bars(adapter); | |
3039 | ||
3040 | if (mem->va) | |
2b7bcebf IV |
3041 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
3042 | mem->dma); | |
e7b909a6 SP |
3043 | |
3044 | mem = &adapter->mc_cmd_mem; | |
3045 | if (mem->va) | |
2b7bcebf IV |
3046 | dma_free_coherent(&adapter->pdev->dev, mem->size, mem->va, |
3047 | mem->dma); | |
6b7c5b94 SP |
3048 | } |
3049 | ||
6b7c5b94 SP |
3050 | static int be_ctrl_init(struct be_adapter *adapter) |
3051 | { | |
8788fdc2 SP |
3052 | struct be_dma_mem *mbox_mem_alloc = &adapter->mbox_mem_alloced; |
3053 | struct be_dma_mem *mbox_mem_align = &adapter->mbox_mem; | |
e7b909a6 | 3054 | struct be_dma_mem *mc_cmd_mem = &adapter->mc_cmd_mem; |
6b7c5b94 | 3055 | int status; |
6b7c5b94 SP |
3056 | |
3057 | status = be_map_pci_bars(adapter); | |
3058 | if (status) | |
e7b909a6 | 3059 | goto done; |
6b7c5b94 SP |
3060 | |
3061 | mbox_mem_alloc->size = sizeof(struct be_mcc_mailbox) + 16; | |
2b7bcebf IV |
3062 | mbox_mem_alloc->va = dma_alloc_coherent(&adapter->pdev->dev, |
3063 | mbox_mem_alloc->size, | |
3064 | &mbox_mem_alloc->dma, | |
3065 | GFP_KERNEL); | |
6b7c5b94 | 3066 | if (!mbox_mem_alloc->va) { |
e7b909a6 SP |
3067 | status = -ENOMEM; |
3068 | goto unmap_pci_bars; | |
6b7c5b94 | 3069 | } |
e7b909a6 | 3070 | |
6b7c5b94 SP |
3071 | mbox_mem_align->size = sizeof(struct be_mcc_mailbox); |
3072 | mbox_mem_align->va = PTR_ALIGN(mbox_mem_alloc->va, 16); | |
3073 | mbox_mem_align->dma = PTR_ALIGN(mbox_mem_alloc->dma, 16); | |
3074 | memset(mbox_mem_align->va, 0, sizeof(struct be_mcc_mailbox)); | |
e7b909a6 SP |
3075 | |
3076 | mc_cmd_mem->size = sizeof(struct be_cmd_req_mcast_mac_config); | |
2b7bcebf IV |
3077 | mc_cmd_mem->va = dma_alloc_coherent(&adapter->pdev->dev, |
3078 | mc_cmd_mem->size, &mc_cmd_mem->dma, | |
3079 | GFP_KERNEL); | |
e7b909a6 SP |
3080 | if (mc_cmd_mem->va == NULL) { |
3081 | status = -ENOMEM; | |
3082 | goto free_mbox; | |
3083 | } | |
3084 | memset(mc_cmd_mem->va, 0, mc_cmd_mem->size); | |
3085 | ||
2984961c | 3086 | mutex_init(&adapter->mbox_lock); |
8788fdc2 SP |
3087 | spin_lock_init(&adapter->mcc_lock); |
3088 | spin_lock_init(&adapter->mcc_cq_lock); | |
a8f447bd | 3089 | |
dd131e76 | 3090 | init_completion(&adapter->flash_compl); |
cf588477 | 3091 | pci_save_state(adapter->pdev); |
6b7c5b94 | 3092 | return 0; |
e7b909a6 SP |
3093 | |
3094 | free_mbox: | |
2b7bcebf IV |
3095 | dma_free_coherent(&adapter->pdev->dev, mbox_mem_alloc->size, |
3096 | mbox_mem_alloc->va, mbox_mem_alloc->dma); | |
e7b909a6 SP |
3097 | |
3098 | unmap_pci_bars: | |
3099 | be_unmap_pci_bars(adapter); | |
3100 | ||
3101 | done: | |
3102 | return status; | |
6b7c5b94 SP |
3103 | } |
3104 | ||
3105 | static void be_stats_cleanup(struct be_adapter *adapter) | |
3106 | { | |
3abcdeda | 3107 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 SP |
3108 | |
3109 | if (cmd->va) | |
2b7bcebf IV |
3110 | dma_free_coherent(&adapter->pdev->dev, cmd->size, |
3111 | cmd->va, cmd->dma); | |
6b7c5b94 SP |
3112 | } |
3113 | ||
3114 | static int be_stats_init(struct be_adapter *adapter) | |
3115 | { | |
3abcdeda | 3116 | struct be_dma_mem *cmd = &adapter->stats_cmd; |
6b7c5b94 | 3117 | |
005d5696 | 3118 | if (adapter->generation == BE_GEN2) { |
89a88ab8 | 3119 | cmd->size = sizeof(struct be_cmd_req_get_stats_v0); |
005d5696 SX |
3120 | } else { |
3121 | if (lancer_chip(adapter)) | |
3122 | cmd->size = sizeof(struct lancer_cmd_req_pport_stats); | |
3123 | else | |
3124 | cmd->size = sizeof(struct be_cmd_req_get_stats_v1); | |
3125 | } | |
2b7bcebf IV |
3126 | cmd->va = dma_alloc_coherent(&adapter->pdev->dev, cmd->size, &cmd->dma, |
3127 | GFP_KERNEL); | |
6b7c5b94 SP |
3128 | if (cmd->va == NULL) |
3129 | return -1; | |
d291b9af | 3130 | memset(cmd->va, 0, cmd->size); |
6b7c5b94 SP |
3131 | return 0; |
3132 | } | |
3133 | ||
3134 | static void __devexit be_remove(struct pci_dev *pdev) | |
3135 | { | |
3136 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
8d56ff11 | 3137 | |
6b7c5b94 SP |
3138 | if (!adapter) |
3139 | return; | |
3140 | ||
f203af70 SK |
3141 | cancel_delayed_work_sync(&adapter->work); |
3142 | ||
6b7c5b94 SP |
3143 | unregister_netdev(adapter->netdev); |
3144 | ||
5fb379ee SP |
3145 | be_clear(adapter); |
3146 | ||
6b7c5b94 SP |
3147 | be_stats_cleanup(adapter); |
3148 | ||
3149 | be_ctrl_cleanup(adapter); | |
3150 | ||
48f5a191 | 3151 | kfree(adapter->vf_cfg); |
ba343c77 SB |
3152 | be_sriov_disable(adapter); |
3153 | ||
8d56ff11 | 3154 | be_msix_disable(adapter); |
6b7c5b94 SP |
3155 | |
3156 | pci_set_drvdata(pdev, NULL); | |
3157 | pci_release_regions(pdev); | |
3158 | pci_disable_device(pdev); | |
3159 | ||
3160 | free_netdev(adapter->netdev); | |
3161 | } | |
3162 | ||
2243e2e9 | 3163 | static int be_get_config(struct be_adapter *adapter) |
6b7c5b94 | 3164 | { |
6b7c5b94 | 3165 | int status; |
2243e2e9 | 3166 | u8 mac[ETH_ALEN]; |
6b7c5b94 | 3167 | |
2243e2e9 | 3168 | status = be_cmd_get_fw_ver(adapter, adapter->fw_ver); |
6b7c5b94 SP |
3169 | if (status) |
3170 | return status; | |
3171 | ||
3abcdeda SP |
3172 | status = be_cmd_query_fw_cfg(adapter, &adapter->port_num, |
3173 | &adapter->function_mode, &adapter->function_caps); | |
43a04fdc SP |
3174 | if (status) |
3175 | return status; | |
3176 | ||
2243e2e9 | 3177 | memset(mac, 0, ETH_ALEN); |
ba343c77 | 3178 | |
12f4d0a8 ME |
3179 | /* A default permanent address is given to each VF for Lancer*/ |
3180 | if (be_physfn(adapter) || lancer_chip(adapter)) { | |
ba343c77 | 3181 | status = be_cmd_mac_addr_query(adapter, mac, |
2243e2e9 | 3182 | MAC_ADDRESS_TYPE_NETWORK, true /*permanent */, 0); |
ca9e4988 | 3183 | |
ba343c77 SB |
3184 | if (status) |
3185 | return status; | |
ca9e4988 | 3186 | |
ba343c77 SB |
3187 | if (!is_valid_ether_addr(mac)) |
3188 | return -EADDRNOTAVAIL; | |
3189 | ||
3190 | memcpy(adapter->netdev->dev_addr, mac, ETH_ALEN); | |
3191 | memcpy(adapter->netdev->perm_addr, mac, ETH_ALEN); | |
3192 | } | |
6b7c5b94 | 3193 | |
3486be29 | 3194 | if (adapter->function_mode & 0x400) |
82903e4b AK |
3195 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED/4; |
3196 | else | |
3197 | adapter->max_vlans = BE_NUM_VLANS_SUPPORTED; | |
3198 | ||
9e1453c5 AK |
3199 | status = be_cmd_get_cntl_attributes(adapter); |
3200 | if (status) | |
3201 | return status; | |
3202 | ||
2e588f84 | 3203 | be_cmd_check_native_mode(adapter); |
3c8def97 SP |
3204 | |
3205 | if ((num_vfs && adapter->sriov_enabled) || | |
3206 | (adapter->function_mode & 0x400) || | |
3207 | lancer_chip(adapter) || !be_physfn(adapter)) { | |
3208 | adapter->num_tx_qs = 1; | |
3209 | netif_set_real_num_tx_queues(adapter->netdev, | |
3210 | adapter->num_tx_qs); | |
3211 | } else { | |
3212 | adapter->num_tx_qs = MAX_TX_QS; | |
3213 | } | |
3214 | ||
2243e2e9 | 3215 | return 0; |
6b7c5b94 SP |
3216 | } |
3217 | ||
fe6d2a38 SP |
3218 | static int be_dev_family_check(struct be_adapter *adapter) |
3219 | { | |
3220 | struct pci_dev *pdev = adapter->pdev; | |
3221 | u32 sli_intf = 0, if_type; | |
3222 | ||
3223 | switch (pdev->device) { | |
3224 | case BE_DEVICE_ID1: | |
3225 | case OC_DEVICE_ID1: | |
3226 | adapter->generation = BE_GEN2; | |
3227 | break; | |
3228 | case BE_DEVICE_ID2: | |
3229 | case OC_DEVICE_ID2: | |
3230 | adapter->generation = BE_GEN3; | |
3231 | break; | |
3232 | case OC_DEVICE_ID3: | |
12f4d0a8 | 3233 | case OC_DEVICE_ID4: |
fe6d2a38 SP |
3234 | pci_read_config_dword(pdev, SLI_INTF_REG_OFFSET, &sli_intf); |
3235 | if_type = (sli_intf & SLI_INTF_IF_TYPE_MASK) >> | |
3236 | SLI_INTF_IF_TYPE_SHIFT; | |
3237 | ||
3238 | if (((sli_intf & SLI_INTF_VALID_MASK) != SLI_INTF_VALID) || | |
3239 | if_type != 0x02) { | |
3240 | dev_err(&pdev->dev, "SLI_INTF reg val is not valid\n"); | |
3241 | return -EINVAL; | |
3242 | } | |
fe6d2a38 SP |
3243 | adapter->sli_family = ((sli_intf & SLI_INTF_FAMILY_MASK) >> |
3244 | SLI_INTF_FAMILY_SHIFT); | |
3245 | adapter->generation = BE_GEN3; | |
3246 | break; | |
3247 | default: | |
3248 | adapter->generation = 0; | |
3249 | } | |
3250 | return 0; | |
3251 | } | |
3252 | ||
37eed1cb PR |
3253 | static int lancer_wait_ready(struct be_adapter *adapter) |
3254 | { | |
3255 | #define SLIPORT_READY_TIMEOUT 500 | |
3256 | u32 sliport_status; | |
3257 | int status = 0, i; | |
3258 | ||
3259 | for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) { | |
3260 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | |
3261 | if (sliport_status & SLIPORT_STATUS_RDY_MASK) | |
3262 | break; | |
3263 | ||
3264 | msleep(20); | |
3265 | } | |
3266 | ||
3267 | if (i == SLIPORT_READY_TIMEOUT) | |
3268 | status = -1; | |
3269 | ||
3270 | return status; | |
3271 | } | |
3272 | ||
3273 | static int lancer_test_and_set_rdy_state(struct be_adapter *adapter) | |
3274 | { | |
3275 | int status; | |
3276 | u32 sliport_status, err, reset_needed; | |
3277 | status = lancer_wait_ready(adapter); | |
3278 | if (!status) { | |
3279 | sliport_status = ioread32(adapter->db + SLIPORT_STATUS_OFFSET); | |
3280 | err = sliport_status & SLIPORT_STATUS_ERR_MASK; | |
3281 | reset_needed = sliport_status & SLIPORT_STATUS_RN_MASK; | |
3282 | if (err && reset_needed) { | |
3283 | iowrite32(SLI_PORT_CONTROL_IP_MASK, | |
3284 | adapter->db + SLIPORT_CONTROL_OFFSET); | |
3285 | ||
3286 | /* check adapter has corrected the error */ | |
3287 | status = lancer_wait_ready(adapter); | |
3288 | sliport_status = ioread32(adapter->db + | |
3289 | SLIPORT_STATUS_OFFSET); | |
3290 | sliport_status &= (SLIPORT_STATUS_ERR_MASK | | |
3291 | SLIPORT_STATUS_RN_MASK); | |
3292 | if (status || sliport_status) | |
3293 | status = -1; | |
3294 | } else if (err || reset_needed) { | |
3295 | status = -1; | |
3296 | } | |
3297 | } | |
3298 | return status; | |
3299 | } | |
3300 | ||
6b7c5b94 SP |
3301 | static int __devinit be_probe(struct pci_dev *pdev, |
3302 | const struct pci_device_id *pdev_id) | |
3303 | { | |
3304 | int status = 0; | |
3305 | struct be_adapter *adapter; | |
3306 | struct net_device *netdev; | |
6b7c5b94 SP |
3307 | |
3308 | status = pci_enable_device(pdev); | |
3309 | if (status) | |
3310 | goto do_none; | |
3311 | ||
3312 | status = pci_request_regions(pdev, DRV_NAME); | |
3313 | if (status) | |
3314 | goto disable_dev; | |
3315 | pci_set_master(pdev); | |
3316 | ||
3c8def97 | 3317 | netdev = alloc_etherdev_mq(sizeof(struct be_adapter), MAX_TX_QS); |
6b7c5b94 SP |
3318 | if (netdev == NULL) { |
3319 | status = -ENOMEM; | |
3320 | goto rel_reg; | |
3321 | } | |
3322 | adapter = netdev_priv(netdev); | |
3323 | adapter->pdev = pdev; | |
3324 | pci_set_drvdata(pdev, adapter); | |
fe6d2a38 SP |
3325 | |
3326 | status = be_dev_family_check(adapter); | |
63657b9c | 3327 | if (status) |
fe6d2a38 SP |
3328 | goto free_netdev; |
3329 | ||
6b7c5b94 | 3330 | adapter->netdev = netdev; |
2243e2e9 | 3331 | SET_NETDEV_DEV(netdev, &pdev->dev); |
6b7c5b94 | 3332 | |
2b7bcebf | 3333 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(64)); |
6b7c5b94 SP |
3334 | if (!status) { |
3335 | netdev->features |= NETIF_F_HIGHDMA; | |
3336 | } else { | |
2b7bcebf | 3337 | status = dma_set_mask(&pdev->dev, DMA_BIT_MASK(32)); |
6b7c5b94 SP |
3338 | if (status) { |
3339 | dev_err(&pdev->dev, "Could not set PCI DMA Mask\n"); | |
3340 | goto free_netdev; | |
3341 | } | |
3342 | } | |
3343 | ||
ba343c77 | 3344 | be_sriov_enable(adapter); |
48f5a191 AK |
3345 | if (adapter->sriov_enabled) { |
3346 | adapter->vf_cfg = kcalloc(num_vfs, | |
3347 | sizeof(struct be_vf_cfg), GFP_KERNEL); | |
3348 | ||
3349 | if (!adapter->vf_cfg) | |
3350 | goto free_netdev; | |
3351 | } | |
ba343c77 | 3352 | |
6b7c5b94 SP |
3353 | status = be_ctrl_init(adapter); |
3354 | if (status) | |
48f5a191 | 3355 | goto free_vf_cfg; |
6b7c5b94 | 3356 | |
37eed1cb PR |
3357 | if (lancer_chip(adapter)) { |
3358 | status = lancer_test_and_set_rdy_state(adapter); | |
3359 | if (status) { | |
3360 | dev_err(&pdev->dev, "Adapter in non recoverable error\n"); | |
48f5a191 | 3361 | goto ctrl_clean; |
37eed1cb PR |
3362 | } |
3363 | } | |
3364 | ||
2243e2e9 | 3365 | /* sync up with fw's ready state */ |
ba343c77 SB |
3366 | if (be_physfn(adapter)) { |
3367 | status = be_cmd_POST(adapter); | |
3368 | if (status) | |
3369 | goto ctrl_clean; | |
ba343c77 | 3370 | } |
6b7c5b94 | 3371 | |
2243e2e9 SP |
3372 | /* tell fw we're ready to fire cmds */ |
3373 | status = be_cmd_fw_init(adapter); | |
6b7c5b94 | 3374 | if (status) |
2243e2e9 SP |
3375 | goto ctrl_clean; |
3376 | ||
a4b4dfab AK |
3377 | status = be_cmd_reset_function(adapter); |
3378 | if (status) | |
3379 | goto ctrl_clean; | |
556ae191 | 3380 | |
2243e2e9 SP |
3381 | status = be_stats_init(adapter); |
3382 | if (status) | |
3383 | goto ctrl_clean; | |
3384 | ||
3385 | status = be_get_config(adapter); | |
6b7c5b94 SP |
3386 | if (status) |
3387 | goto stats_clean; | |
6b7c5b94 | 3388 | |
3abcdeda SP |
3389 | be_msix_enable(adapter); |
3390 | ||
6b7c5b94 | 3391 | INIT_DELAYED_WORK(&adapter->work, be_worker); |
6b7c5b94 | 3392 | |
5fb379ee SP |
3393 | status = be_setup(adapter); |
3394 | if (status) | |
3abcdeda | 3395 | goto msix_disable; |
2243e2e9 | 3396 | |
3abcdeda | 3397 | be_netdev_init(netdev); |
6b7c5b94 SP |
3398 | status = register_netdev(netdev); |
3399 | if (status != 0) | |
5fb379ee | 3400 | goto unsetup; |
63a76944 | 3401 | netif_carrier_off(netdev); |
6b7c5b94 | 3402 | |
e6319365 | 3403 | if (be_physfn(adapter) && adapter->sriov_enabled) { |
d0381c42 AK |
3404 | u8 mac_speed; |
3405 | bool link_up; | |
3406 | u16 vf, lnk_speed; | |
3407 | ||
12f4d0a8 ME |
3408 | if (!lancer_chip(adapter)) { |
3409 | status = be_vf_eth_addr_config(adapter); | |
3410 | if (status) | |
3411 | goto unreg_netdev; | |
3412 | } | |
d0381c42 AK |
3413 | |
3414 | for (vf = 0; vf < num_vfs; vf++) { | |
3415 | status = be_cmd_link_status_query(adapter, &link_up, | |
3416 | &mac_speed, &lnk_speed, vf + 1); | |
3417 | if (!status) | |
3418 | adapter->vf_cfg[vf].vf_tx_rate = lnk_speed * 10; | |
3419 | else | |
3420 | goto unreg_netdev; | |
3421 | } | |
e6319365 AK |
3422 | } |
3423 | ||
c4ca2374 | 3424 | dev_info(&pdev->dev, "%s port %d\n", nic_name(pdev), adapter->port_num); |
34b1ef04 | 3425 | |
f203af70 | 3426 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); |
6b7c5b94 SP |
3427 | return 0; |
3428 | ||
e6319365 AK |
3429 | unreg_netdev: |
3430 | unregister_netdev(netdev); | |
5fb379ee SP |
3431 | unsetup: |
3432 | be_clear(adapter); | |
3abcdeda SP |
3433 | msix_disable: |
3434 | be_msix_disable(adapter); | |
6b7c5b94 SP |
3435 | stats_clean: |
3436 | be_stats_cleanup(adapter); | |
3437 | ctrl_clean: | |
3438 | be_ctrl_cleanup(adapter); | |
48f5a191 AK |
3439 | free_vf_cfg: |
3440 | kfree(adapter->vf_cfg); | |
6b7c5b94 | 3441 | free_netdev: |
ba343c77 | 3442 | be_sriov_disable(adapter); |
fe6d2a38 | 3443 | free_netdev(netdev); |
8d56ff11 | 3444 | pci_set_drvdata(pdev, NULL); |
6b7c5b94 SP |
3445 | rel_reg: |
3446 | pci_release_regions(pdev); | |
3447 | disable_dev: | |
3448 | pci_disable_device(pdev); | |
3449 | do_none: | |
c4ca2374 | 3450 | dev_err(&pdev->dev, "%s initialization failed\n", nic_name(pdev)); |
6b7c5b94 SP |
3451 | return status; |
3452 | } | |
3453 | ||
3454 | static int be_suspend(struct pci_dev *pdev, pm_message_t state) | |
3455 | { | |
3456 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3457 | struct net_device *netdev = adapter->netdev; | |
3458 | ||
a4ca055f | 3459 | cancel_delayed_work_sync(&adapter->work); |
71d8d1b5 AK |
3460 | if (adapter->wol) |
3461 | be_setup_wol(adapter, true); | |
3462 | ||
6b7c5b94 SP |
3463 | netif_device_detach(netdev); |
3464 | if (netif_running(netdev)) { | |
3465 | rtnl_lock(); | |
3466 | be_close(netdev); | |
3467 | rtnl_unlock(); | |
3468 | } | |
9e90c961 | 3469 | be_cmd_get_flow_control(adapter, &adapter->tx_fc, &adapter->rx_fc); |
9b0365f1 | 3470 | be_clear(adapter); |
6b7c5b94 | 3471 | |
a4ca055f | 3472 | be_msix_disable(adapter); |
6b7c5b94 SP |
3473 | pci_save_state(pdev); |
3474 | pci_disable_device(pdev); | |
3475 | pci_set_power_state(pdev, pci_choose_state(pdev, state)); | |
3476 | return 0; | |
3477 | } | |
3478 | ||
3479 | static int be_resume(struct pci_dev *pdev) | |
3480 | { | |
3481 | int status = 0; | |
3482 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3483 | struct net_device *netdev = adapter->netdev; | |
3484 | ||
3485 | netif_device_detach(netdev); | |
3486 | ||
3487 | status = pci_enable_device(pdev); | |
3488 | if (status) | |
3489 | return status; | |
3490 | ||
3491 | pci_set_power_state(pdev, 0); | |
3492 | pci_restore_state(pdev); | |
3493 | ||
a4ca055f | 3494 | be_msix_enable(adapter); |
2243e2e9 SP |
3495 | /* tell fw we're ready to fire cmds */ |
3496 | status = be_cmd_fw_init(adapter); | |
3497 | if (status) | |
3498 | return status; | |
3499 | ||
9b0365f1 | 3500 | be_setup(adapter); |
6b7c5b94 SP |
3501 | if (netif_running(netdev)) { |
3502 | rtnl_lock(); | |
3503 | be_open(netdev); | |
3504 | rtnl_unlock(); | |
3505 | } | |
3506 | netif_device_attach(netdev); | |
71d8d1b5 AK |
3507 | |
3508 | if (adapter->wol) | |
3509 | be_setup_wol(adapter, false); | |
a4ca055f AK |
3510 | |
3511 | schedule_delayed_work(&adapter->work, msecs_to_jiffies(100)); | |
6b7c5b94 SP |
3512 | return 0; |
3513 | } | |
3514 | ||
82456b03 SP |
3515 | /* |
3516 | * An FLR will stop BE from DMAing any data. | |
3517 | */ | |
3518 | static void be_shutdown(struct pci_dev *pdev) | |
3519 | { | |
3520 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
82456b03 | 3521 | |
2d5d4154 AK |
3522 | if (!adapter) |
3523 | return; | |
82456b03 | 3524 | |
0f4a6828 | 3525 | cancel_delayed_work_sync(&adapter->work); |
a4ca055f | 3526 | |
2d5d4154 | 3527 | netif_device_detach(adapter->netdev); |
82456b03 | 3528 | |
82456b03 SP |
3529 | if (adapter->wol) |
3530 | be_setup_wol(adapter, true); | |
3531 | ||
57841869 AK |
3532 | be_cmd_reset_function(adapter); |
3533 | ||
82456b03 | 3534 | pci_disable_device(pdev); |
82456b03 SP |
3535 | } |
3536 | ||
cf588477 SP |
3537 | static pci_ers_result_t be_eeh_err_detected(struct pci_dev *pdev, |
3538 | pci_channel_state_t state) | |
3539 | { | |
3540 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3541 | struct net_device *netdev = adapter->netdev; | |
3542 | ||
3543 | dev_err(&adapter->pdev->dev, "EEH error detected\n"); | |
3544 | ||
3545 | adapter->eeh_err = true; | |
3546 | ||
3547 | netif_device_detach(netdev); | |
3548 | ||
3549 | if (netif_running(netdev)) { | |
3550 | rtnl_lock(); | |
3551 | be_close(netdev); | |
3552 | rtnl_unlock(); | |
3553 | } | |
3554 | be_clear(adapter); | |
3555 | ||
3556 | if (state == pci_channel_io_perm_failure) | |
3557 | return PCI_ERS_RESULT_DISCONNECT; | |
3558 | ||
3559 | pci_disable_device(pdev); | |
3560 | ||
3561 | return PCI_ERS_RESULT_NEED_RESET; | |
3562 | } | |
3563 | ||
3564 | static pci_ers_result_t be_eeh_reset(struct pci_dev *pdev) | |
3565 | { | |
3566 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3567 | int status; | |
3568 | ||
3569 | dev_info(&adapter->pdev->dev, "EEH reset\n"); | |
3570 | adapter->eeh_err = false; | |
3571 | ||
3572 | status = pci_enable_device(pdev); | |
3573 | if (status) | |
3574 | return PCI_ERS_RESULT_DISCONNECT; | |
3575 | ||
3576 | pci_set_master(pdev); | |
3577 | pci_set_power_state(pdev, 0); | |
3578 | pci_restore_state(pdev); | |
3579 | ||
3580 | /* Check if card is ok and fw is ready */ | |
3581 | status = be_cmd_POST(adapter); | |
3582 | if (status) | |
3583 | return PCI_ERS_RESULT_DISCONNECT; | |
3584 | ||
3585 | return PCI_ERS_RESULT_RECOVERED; | |
3586 | } | |
3587 | ||
3588 | static void be_eeh_resume(struct pci_dev *pdev) | |
3589 | { | |
3590 | int status = 0; | |
3591 | struct be_adapter *adapter = pci_get_drvdata(pdev); | |
3592 | struct net_device *netdev = adapter->netdev; | |
3593 | ||
3594 | dev_info(&adapter->pdev->dev, "EEH resume\n"); | |
3595 | ||
3596 | pci_save_state(pdev); | |
3597 | ||
3598 | /* tell fw we're ready to fire cmds */ | |
3599 | status = be_cmd_fw_init(adapter); | |
3600 | if (status) | |
3601 | goto err; | |
3602 | ||
3603 | status = be_setup(adapter); | |
3604 | if (status) | |
3605 | goto err; | |
3606 | ||
3607 | if (netif_running(netdev)) { | |
3608 | status = be_open(netdev); | |
3609 | if (status) | |
3610 | goto err; | |
3611 | } | |
3612 | netif_device_attach(netdev); | |
3613 | return; | |
3614 | err: | |
3615 | dev_err(&adapter->pdev->dev, "EEH resume failed\n"); | |
cf588477 SP |
3616 | } |
3617 | ||
3618 | static struct pci_error_handlers be_eeh_handlers = { | |
3619 | .error_detected = be_eeh_err_detected, | |
3620 | .slot_reset = be_eeh_reset, | |
3621 | .resume = be_eeh_resume, | |
3622 | }; | |
3623 | ||
6b7c5b94 SP |
3624 | static struct pci_driver be_driver = { |
3625 | .name = DRV_NAME, | |
3626 | .id_table = be_dev_ids, | |
3627 | .probe = be_probe, | |
3628 | .remove = be_remove, | |
3629 | .suspend = be_suspend, | |
cf588477 | 3630 | .resume = be_resume, |
82456b03 | 3631 | .shutdown = be_shutdown, |
cf588477 | 3632 | .err_handler = &be_eeh_handlers |
6b7c5b94 SP |
3633 | }; |
3634 | ||
3635 | static int __init be_init_module(void) | |
3636 | { | |
8e95a202 JP |
3637 | if (rx_frag_size != 8192 && rx_frag_size != 4096 && |
3638 | rx_frag_size != 2048) { | |
6b7c5b94 SP |
3639 | printk(KERN_WARNING DRV_NAME |
3640 | " : Module param rx_frag_size must be 2048/4096/8192." | |
3641 | " Using 2048\n"); | |
3642 | rx_frag_size = 2048; | |
3643 | } | |
6b7c5b94 SP |
3644 | |
3645 | return pci_register_driver(&be_driver); | |
3646 | } | |
3647 | module_init(be_init_module); | |
3648 | ||
3649 | static void __exit be_exit_module(void) | |
3650 | { | |
3651 | pci_unregister_driver(&be_driver); | |
3652 | } | |
3653 | module_exit(be_exit_module); |