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Merge tag 'rxrpc-rewrite-20160706' of git://git.kernel.org/pub/scm/linux/kernel/git...
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / broadcom / bnxt / bnxt_ethtool.c
1 /* Broadcom NetXtreme-C/E network driver.
2 *
3 * Copyright (c) 2014-2016 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 */
9
10 #include <linux/ctype.h>
11 #include <linux/stringify.h>
12 #include <linux/ethtool.h>
13 #include <linux/interrupt.h>
14 #include <linux/pci.h>
15 #include <linux/etherdevice.h>
16 #include <linux/crc32.h>
17 #include <linux/firmware.h>
18 #include "bnxt_hsi.h"
19 #include "bnxt.h"
20 #include "bnxt_ethtool.h"
21 #include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
22 #include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
23 #define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
24
25 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
26
27 static u32 bnxt_get_msglevel(struct net_device *dev)
28 {
29 struct bnxt *bp = netdev_priv(dev);
30
31 return bp->msg_enable;
32 }
33
34 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
35 {
36 struct bnxt *bp = netdev_priv(dev);
37
38 bp->msg_enable = value;
39 }
40
41 static int bnxt_get_coalesce(struct net_device *dev,
42 struct ethtool_coalesce *coal)
43 {
44 struct bnxt *bp = netdev_priv(dev);
45
46 memset(coal, 0, sizeof(*coal));
47
48 coal->rx_coalesce_usecs = bp->rx_coal_ticks;
49 /* 2 completion records per rx packet */
50 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
51 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
52 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
53
54 coal->tx_coalesce_usecs = bp->tx_coal_ticks;
55 coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
56 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
57 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
58
59 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
60
61 return 0;
62 }
63
64 static int bnxt_set_coalesce(struct net_device *dev,
65 struct ethtool_coalesce *coal)
66 {
67 struct bnxt *bp = netdev_priv(dev);
68 bool update_stats = false;
69 int rc = 0;
70
71 bp->rx_coal_ticks = coal->rx_coalesce_usecs;
72 /* 2 completion records per rx packet */
73 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
74 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
75 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
76
77 bp->tx_coal_ticks = coal->tx_coalesce_usecs;
78 bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
79 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
80 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
81
82 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
83 u32 stats_ticks = coal->stats_block_coalesce_usecs;
84
85 stats_ticks = clamp_t(u32, stats_ticks,
86 BNXT_MIN_STATS_COAL_TICKS,
87 BNXT_MAX_STATS_COAL_TICKS);
88 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
89 bp->stats_coal_ticks = stats_ticks;
90 update_stats = true;
91 }
92
93 if (netif_running(dev)) {
94 if (update_stats) {
95 rc = bnxt_close_nic(bp, true, false);
96 if (!rc)
97 rc = bnxt_open_nic(bp, true, false);
98 } else {
99 rc = bnxt_hwrm_set_coal(bp);
100 }
101 }
102
103 return rc;
104 }
105
106 #define BNXT_NUM_STATS 21
107
108 #define BNXT_RX_STATS_OFFSET(counter) \
109 (offsetof(struct rx_port_stats, counter) / 8)
110
111 #define BNXT_RX_STATS_ENTRY(counter) \
112 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
113
114 #define BNXT_TX_STATS_OFFSET(counter) \
115 ((offsetof(struct tx_port_stats, counter) + \
116 sizeof(struct rx_port_stats) + 512) / 8)
117
118 #define BNXT_TX_STATS_ENTRY(counter) \
119 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
120
121 static const struct {
122 long offset;
123 char string[ETH_GSTRING_LEN];
124 } bnxt_port_stats_arr[] = {
125 BNXT_RX_STATS_ENTRY(rx_64b_frames),
126 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
127 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
128 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
129 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
130 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
131 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
132 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
133 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
134 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
135 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
136 BNXT_RX_STATS_ENTRY(rx_total_frames),
137 BNXT_RX_STATS_ENTRY(rx_ucast_frames),
138 BNXT_RX_STATS_ENTRY(rx_mcast_frames),
139 BNXT_RX_STATS_ENTRY(rx_bcast_frames),
140 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
141 BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
142 BNXT_RX_STATS_ENTRY(rx_pause_frames),
143 BNXT_RX_STATS_ENTRY(rx_pfc_frames),
144 BNXT_RX_STATS_ENTRY(rx_align_err_frames),
145 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
146 BNXT_RX_STATS_ENTRY(rx_jbr_frames),
147 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
148 BNXT_RX_STATS_ENTRY(rx_tagged_frames),
149 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
150 BNXT_RX_STATS_ENTRY(rx_good_frames),
151 BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
152 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
153 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
154 BNXT_RX_STATS_ENTRY(rx_bytes),
155 BNXT_RX_STATS_ENTRY(rx_runt_bytes),
156 BNXT_RX_STATS_ENTRY(rx_runt_frames),
157
158 BNXT_TX_STATS_ENTRY(tx_64b_frames),
159 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
160 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
161 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
162 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
163 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
164 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
165 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
166 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
167 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
168 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
169 BNXT_TX_STATS_ENTRY(tx_good_frames),
170 BNXT_TX_STATS_ENTRY(tx_total_frames),
171 BNXT_TX_STATS_ENTRY(tx_ucast_frames),
172 BNXT_TX_STATS_ENTRY(tx_mcast_frames),
173 BNXT_TX_STATS_ENTRY(tx_bcast_frames),
174 BNXT_TX_STATS_ENTRY(tx_pause_frames),
175 BNXT_TX_STATS_ENTRY(tx_pfc_frames),
176 BNXT_TX_STATS_ENTRY(tx_jabber_frames),
177 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
178 BNXT_TX_STATS_ENTRY(tx_err),
179 BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
180 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
181 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
182 BNXT_TX_STATS_ENTRY(tx_total_collisions),
183 BNXT_TX_STATS_ENTRY(tx_bytes),
184 };
185
186 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
187
188 static int bnxt_get_sset_count(struct net_device *dev, int sset)
189 {
190 struct bnxt *bp = netdev_priv(dev);
191
192 switch (sset) {
193 case ETH_SS_STATS: {
194 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
195
196 if (bp->flags & BNXT_FLAG_PORT_STATS)
197 num_stats += BNXT_NUM_PORT_STATS;
198
199 return num_stats;
200 }
201 default:
202 return -EOPNOTSUPP;
203 }
204 }
205
206 static void bnxt_get_ethtool_stats(struct net_device *dev,
207 struct ethtool_stats *stats, u64 *buf)
208 {
209 u32 i, j = 0;
210 struct bnxt *bp = netdev_priv(dev);
211 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
212 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
213
214 memset(buf, 0, buf_size);
215
216 if (!bp->bnapi)
217 return;
218
219 for (i = 0; i < bp->cp_nr_rings; i++) {
220 struct bnxt_napi *bnapi = bp->bnapi[i];
221 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
222 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
223 int k;
224
225 for (k = 0; k < stat_fields; j++, k++)
226 buf[j] = le64_to_cpu(hw_stats[k]);
227 buf[j++] = cpr->rx_l4_csum_errors;
228 }
229 if (bp->flags & BNXT_FLAG_PORT_STATS) {
230 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
231
232 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
233 buf[j] = le64_to_cpu(*(port_stats +
234 bnxt_port_stats_arr[i].offset));
235 }
236 }
237 }
238
239 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
240 {
241 struct bnxt *bp = netdev_priv(dev);
242 u32 i;
243
244 switch (stringset) {
245 /* The number of strings must match BNXT_NUM_STATS defined above. */
246 case ETH_SS_STATS:
247 for (i = 0; i < bp->cp_nr_rings; i++) {
248 sprintf(buf, "[%d]: rx_ucast_packets", i);
249 buf += ETH_GSTRING_LEN;
250 sprintf(buf, "[%d]: rx_mcast_packets", i);
251 buf += ETH_GSTRING_LEN;
252 sprintf(buf, "[%d]: rx_bcast_packets", i);
253 buf += ETH_GSTRING_LEN;
254 sprintf(buf, "[%d]: rx_discards", i);
255 buf += ETH_GSTRING_LEN;
256 sprintf(buf, "[%d]: rx_drops", i);
257 buf += ETH_GSTRING_LEN;
258 sprintf(buf, "[%d]: rx_ucast_bytes", i);
259 buf += ETH_GSTRING_LEN;
260 sprintf(buf, "[%d]: rx_mcast_bytes", i);
261 buf += ETH_GSTRING_LEN;
262 sprintf(buf, "[%d]: rx_bcast_bytes", i);
263 buf += ETH_GSTRING_LEN;
264 sprintf(buf, "[%d]: tx_ucast_packets", i);
265 buf += ETH_GSTRING_LEN;
266 sprintf(buf, "[%d]: tx_mcast_packets", i);
267 buf += ETH_GSTRING_LEN;
268 sprintf(buf, "[%d]: tx_bcast_packets", i);
269 buf += ETH_GSTRING_LEN;
270 sprintf(buf, "[%d]: tx_discards", i);
271 buf += ETH_GSTRING_LEN;
272 sprintf(buf, "[%d]: tx_drops", i);
273 buf += ETH_GSTRING_LEN;
274 sprintf(buf, "[%d]: tx_ucast_bytes", i);
275 buf += ETH_GSTRING_LEN;
276 sprintf(buf, "[%d]: tx_mcast_bytes", i);
277 buf += ETH_GSTRING_LEN;
278 sprintf(buf, "[%d]: tx_bcast_bytes", i);
279 buf += ETH_GSTRING_LEN;
280 sprintf(buf, "[%d]: tpa_packets", i);
281 buf += ETH_GSTRING_LEN;
282 sprintf(buf, "[%d]: tpa_bytes", i);
283 buf += ETH_GSTRING_LEN;
284 sprintf(buf, "[%d]: tpa_events", i);
285 buf += ETH_GSTRING_LEN;
286 sprintf(buf, "[%d]: tpa_aborts", i);
287 buf += ETH_GSTRING_LEN;
288 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
289 buf += ETH_GSTRING_LEN;
290 }
291 if (bp->flags & BNXT_FLAG_PORT_STATS) {
292 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
293 strcpy(buf, bnxt_port_stats_arr[i].string);
294 buf += ETH_GSTRING_LEN;
295 }
296 }
297 break;
298 default:
299 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
300 stringset);
301 break;
302 }
303 }
304
305 static void bnxt_get_ringparam(struct net_device *dev,
306 struct ethtool_ringparam *ering)
307 {
308 struct bnxt *bp = netdev_priv(dev);
309
310 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
311 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
312 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
313
314 ering->rx_pending = bp->rx_ring_size;
315 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
316 ering->tx_pending = bp->tx_ring_size;
317 }
318
319 static int bnxt_set_ringparam(struct net_device *dev,
320 struct ethtool_ringparam *ering)
321 {
322 struct bnxt *bp = netdev_priv(dev);
323
324 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
325 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
326 (ering->tx_pending <= MAX_SKB_FRAGS))
327 return -EINVAL;
328
329 if (netif_running(dev))
330 bnxt_close_nic(bp, false, false);
331
332 bp->rx_ring_size = ering->rx_pending;
333 bp->tx_ring_size = ering->tx_pending;
334 bnxt_set_ring_params(bp);
335
336 if (netif_running(dev))
337 return bnxt_open_nic(bp, false, false);
338
339 return 0;
340 }
341
342 static void bnxt_get_channels(struct net_device *dev,
343 struct ethtool_channels *channel)
344 {
345 struct bnxt *bp = netdev_priv(dev);
346 int max_rx_rings, max_tx_rings, tcs;
347
348 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
349 channel->max_combined = max_rx_rings;
350
351 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
352 max_rx_rings = 0;
353 max_tx_rings = 0;
354 }
355
356 tcs = netdev_get_num_tc(dev);
357 if (tcs > 1)
358 max_tx_rings /= tcs;
359
360 channel->max_rx = max_rx_rings;
361 channel->max_tx = max_tx_rings;
362 channel->max_other = 0;
363 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
364 channel->combined_count = bp->rx_nr_rings;
365 } else {
366 channel->rx_count = bp->rx_nr_rings;
367 channel->tx_count = bp->tx_nr_rings_per_tc;
368 }
369 }
370
371 static int bnxt_set_channels(struct net_device *dev,
372 struct ethtool_channels *channel)
373 {
374 struct bnxt *bp = netdev_priv(dev);
375 int max_rx_rings, max_tx_rings, tcs;
376 u32 rc = 0;
377 bool sh = false;
378
379 if (channel->other_count)
380 return -EINVAL;
381
382 if (!channel->combined_count &&
383 (!channel->rx_count || !channel->tx_count))
384 return -EINVAL;
385
386 if (channel->combined_count &&
387 (channel->rx_count || channel->tx_count))
388 return -EINVAL;
389
390 if (channel->combined_count)
391 sh = true;
392
393 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
394
395 tcs = netdev_get_num_tc(dev);
396 if (tcs > 1)
397 max_tx_rings /= tcs;
398
399 if (sh && (channel->combined_count > max_rx_rings ||
400 channel->combined_count > max_tx_rings))
401 return -ENOMEM;
402
403 if (!sh && (channel->rx_count > max_rx_rings ||
404 channel->tx_count > max_tx_rings))
405 return -ENOMEM;
406
407 if (netif_running(dev)) {
408 if (BNXT_PF(bp)) {
409 /* TODO CHIMP_FW: Send message to all VF's
410 * before PF unload
411 */
412 }
413 rc = bnxt_close_nic(bp, true, false);
414 if (rc) {
415 netdev_err(bp->dev, "Set channel failure rc :%x\n",
416 rc);
417 return rc;
418 }
419 }
420
421 if (sh) {
422 bp->flags |= BNXT_FLAG_SHARED_RINGS;
423 bp->rx_nr_rings = channel->combined_count;
424 bp->tx_nr_rings_per_tc = channel->combined_count;
425 } else {
426 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
427 bp->rx_nr_rings = channel->rx_count;
428 bp->tx_nr_rings_per_tc = channel->tx_count;
429 }
430
431 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
432 if (tcs > 1)
433 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
434
435 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
436 bp->tx_nr_rings + bp->rx_nr_rings;
437
438 bp->num_stat_ctxs = bp->cp_nr_rings;
439
440 /* After changing number of rx channels, update NTUPLE feature. */
441 netdev_update_features(dev);
442 if (netif_running(dev)) {
443 rc = bnxt_open_nic(bp, true, false);
444 if ((!rc) && BNXT_PF(bp)) {
445 /* TODO CHIMP_FW: Send message to all VF's
446 * to renable
447 */
448 }
449 }
450
451 return rc;
452 }
453
454 #ifdef CONFIG_RFS_ACCEL
455 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
456 u32 *rule_locs)
457 {
458 int i, j = 0;
459
460 cmd->data = bp->ntp_fltr_count;
461 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
462 struct hlist_head *head;
463 struct bnxt_ntuple_filter *fltr;
464
465 head = &bp->ntp_fltr_hash_tbl[i];
466 rcu_read_lock();
467 hlist_for_each_entry_rcu(fltr, head, hash) {
468 if (j == cmd->rule_cnt)
469 break;
470 rule_locs[j++] = fltr->sw_id;
471 }
472 rcu_read_unlock();
473 if (j == cmd->rule_cnt)
474 break;
475 }
476 cmd->rule_cnt = j;
477 return 0;
478 }
479
480 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
481 {
482 struct ethtool_rx_flow_spec *fs =
483 (struct ethtool_rx_flow_spec *)&cmd->fs;
484 struct bnxt_ntuple_filter *fltr;
485 struct flow_keys *fkeys;
486 int i, rc = -EINVAL;
487
488 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
489 return rc;
490
491 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
492 struct hlist_head *head;
493
494 head = &bp->ntp_fltr_hash_tbl[i];
495 rcu_read_lock();
496 hlist_for_each_entry_rcu(fltr, head, hash) {
497 if (fltr->sw_id == fs->location)
498 goto fltr_found;
499 }
500 rcu_read_unlock();
501 }
502 return rc;
503
504 fltr_found:
505 fkeys = &fltr->fkeys;
506 if (fkeys->basic.ip_proto == IPPROTO_TCP)
507 fs->flow_type = TCP_V4_FLOW;
508 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
509 fs->flow_type = UDP_V4_FLOW;
510 else
511 goto fltr_err;
512
513 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
514 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
515
516 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
517 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
518
519 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
520 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
521
522 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
523 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
524
525 fs->ring_cookie = fltr->rxq;
526 rc = 0;
527
528 fltr_err:
529 rcu_read_unlock();
530
531 return rc;
532 }
533
534 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
535 u32 *rule_locs)
536 {
537 struct bnxt *bp = netdev_priv(dev);
538 int rc = 0;
539
540 switch (cmd->cmd) {
541 case ETHTOOL_GRXRINGS:
542 cmd->data = bp->rx_nr_rings;
543 break;
544
545 case ETHTOOL_GRXCLSRLCNT:
546 cmd->rule_cnt = bp->ntp_fltr_count;
547 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
548 break;
549
550 case ETHTOOL_GRXCLSRLALL:
551 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
552 break;
553
554 case ETHTOOL_GRXCLSRULE:
555 rc = bnxt_grxclsrule(bp, cmd);
556 break;
557
558 default:
559 rc = -EOPNOTSUPP;
560 break;
561 }
562
563 return rc;
564 }
565 #endif
566
567 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
568 {
569 return HW_HASH_INDEX_SIZE;
570 }
571
572 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
573 {
574 return HW_HASH_KEY_SIZE;
575 }
576
577 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
578 u8 *hfunc)
579 {
580 struct bnxt *bp = netdev_priv(dev);
581 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
582 int i = 0;
583
584 if (hfunc)
585 *hfunc = ETH_RSS_HASH_TOP;
586
587 if (indir)
588 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
589 indir[i] = le16_to_cpu(vnic->rss_table[i]);
590
591 if (key)
592 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
593
594 return 0;
595 }
596
597 static void bnxt_get_drvinfo(struct net_device *dev,
598 struct ethtool_drvinfo *info)
599 {
600 struct bnxt *bp = netdev_priv(dev);
601 char *pkglog;
602 char *pkgver = NULL;
603
604 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
605 if (pkglog)
606 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
607 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
608 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
609 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
610 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
611 "%s pkg %s", bp->fw_ver_str, pkgver);
612 else
613 strlcpy(info->fw_version, bp->fw_ver_str,
614 sizeof(info->fw_version));
615 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
616 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
617 info->testinfo_len = BNXT_NUM_TESTS(bp);
618 /* TODO CHIMP_FW: eeprom dump details */
619 info->eedump_len = 0;
620 /* TODO CHIMP FW: reg dump details */
621 info->regdump_len = 0;
622 kfree(pkglog);
623 }
624
625 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
626 {
627 u32 speed_mask = 0;
628
629 /* TODO: support 25GB, 40GB, 50GB with different cable type */
630 /* set the advertised speeds */
631 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
632 speed_mask |= ADVERTISED_100baseT_Full;
633 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
634 speed_mask |= ADVERTISED_1000baseT_Full;
635 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
636 speed_mask |= ADVERTISED_2500baseX_Full;
637 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
638 speed_mask |= ADVERTISED_10000baseT_Full;
639 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
640 speed_mask |= ADVERTISED_40000baseCR4_Full;
641
642 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
643 speed_mask |= ADVERTISED_Pause;
644 else if (fw_pause & BNXT_LINK_PAUSE_TX)
645 speed_mask |= ADVERTISED_Asym_Pause;
646 else if (fw_pause & BNXT_LINK_PAUSE_RX)
647 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
648
649 return speed_mask;
650 }
651
652 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
653 { \
654 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
655 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
656 100baseT_Full); \
657 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
658 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
659 1000baseT_Full); \
660 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
661 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
662 10000baseT_Full); \
663 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
664 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
665 25000baseCR_Full); \
666 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
667 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
668 40000baseCR4_Full);\
669 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
670 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
671 50000baseCR2_Full);\
672 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
673 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
674 Pause); \
675 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
676 ethtool_link_ksettings_add_link_mode( \
677 lk_ksettings, name, Asym_Pause);\
678 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
679 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
680 Asym_Pause); \
681 } \
682 }
683
684 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
685 { \
686 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
687 100baseT_Full) || \
688 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
689 100baseT_Half)) \
690 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
691 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
692 1000baseT_Full) || \
693 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
694 1000baseT_Half)) \
695 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
696 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
697 10000baseT_Full)) \
698 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
699 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
700 25000baseCR_Full)) \
701 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
702 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
703 40000baseCR4_Full)) \
704 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
705 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
706 50000baseCR2_Full)) \
707 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
708 }
709
710 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
711 struct ethtool_link_ksettings *lk_ksettings)
712 {
713 u16 fw_speeds = link_info->auto_link_speeds;
714 u8 fw_pause = 0;
715
716 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
717 fw_pause = link_info->auto_pause_setting;
718
719 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
720 }
721
722 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
723 struct ethtool_link_ksettings *lk_ksettings)
724 {
725 u16 fw_speeds = link_info->lp_auto_link_speeds;
726 u8 fw_pause = 0;
727
728 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
729 fw_pause = link_info->lp_pause;
730
731 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
732 lp_advertising);
733 }
734
735 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
736 struct ethtool_link_ksettings *lk_ksettings)
737 {
738 u16 fw_speeds = link_info->support_speeds;
739
740 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
741
742 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
743 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
744 Asym_Pause);
745
746 if (link_info->support_auto_speeds)
747 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
748 Autoneg);
749 }
750
751 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
752 {
753 switch (fw_link_speed) {
754 case BNXT_LINK_SPEED_100MB:
755 return SPEED_100;
756 case BNXT_LINK_SPEED_1GB:
757 return SPEED_1000;
758 case BNXT_LINK_SPEED_2_5GB:
759 return SPEED_2500;
760 case BNXT_LINK_SPEED_10GB:
761 return SPEED_10000;
762 case BNXT_LINK_SPEED_20GB:
763 return SPEED_20000;
764 case BNXT_LINK_SPEED_25GB:
765 return SPEED_25000;
766 case BNXT_LINK_SPEED_40GB:
767 return SPEED_40000;
768 case BNXT_LINK_SPEED_50GB:
769 return SPEED_50000;
770 default:
771 return SPEED_UNKNOWN;
772 }
773 }
774
775 static int bnxt_get_link_ksettings(struct net_device *dev,
776 struct ethtool_link_ksettings *lk_ksettings)
777 {
778 struct bnxt *bp = netdev_priv(dev);
779 struct bnxt_link_info *link_info = &bp->link_info;
780 struct ethtool_link_settings *base = &lk_ksettings->base;
781 u32 ethtool_speed;
782
783 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
784 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
785
786 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
787 if (link_info->autoneg) {
788 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
789 ethtool_link_ksettings_add_link_mode(lk_ksettings,
790 advertising, Autoneg);
791 base->autoneg = AUTONEG_ENABLE;
792 if (link_info->phy_link_status == BNXT_LINK_LINK)
793 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
794 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
795 if (!netif_carrier_ok(dev))
796 base->duplex = DUPLEX_UNKNOWN;
797 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
798 base->duplex = DUPLEX_FULL;
799 else
800 base->duplex = DUPLEX_HALF;
801 } else {
802 base->autoneg = AUTONEG_DISABLE;
803 ethtool_speed =
804 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
805 base->duplex = DUPLEX_HALF;
806 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
807 base->duplex = DUPLEX_FULL;
808 }
809 base->speed = ethtool_speed;
810
811 base->port = PORT_NONE;
812 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
813 base->port = PORT_TP;
814 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
815 TP);
816 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
817 TP);
818 } else {
819 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
820 FIBRE);
821 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
822 FIBRE);
823
824 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
825 base->port = PORT_DA;
826 else if (link_info->media_type ==
827 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
828 base->port = PORT_FIBRE;
829 }
830 base->phy_address = link_info->phy_addr;
831
832 return 0;
833 }
834
835 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
836 {
837 struct bnxt *bp = netdev_priv(dev);
838 struct bnxt_link_info *link_info = &bp->link_info;
839 u16 support_spds = link_info->support_speeds;
840 u32 fw_speed = 0;
841
842 switch (ethtool_speed) {
843 case SPEED_100:
844 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
845 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
846 break;
847 case SPEED_1000:
848 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
849 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
850 break;
851 case SPEED_2500:
852 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
853 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
854 break;
855 case SPEED_10000:
856 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
857 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
858 break;
859 case SPEED_20000:
860 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
861 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
862 break;
863 case SPEED_25000:
864 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
865 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
866 break;
867 case SPEED_40000:
868 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
869 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
870 break;
871 case SPEED_50000:
872 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
873 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
874 break;
875 default:
876 netdev_err(dev, "unsupported speed!\n");
877 break;
878 }
879 return fw_speed;
880 }
881
882 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
883 {
884 u16 fw_speed_mask = 0;
885
886 /* only support autoneg at speed 100, 1000, and 10000 */
887 if (advertising & (ADVERTISED_100baseT_Full |
888 ADVERTISED_100baseT_Half)) {
889 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
890 }
891 if (advertising & (ADVERTISED_1000baseT_Full |
892 ADVERTISED_1000baseT_Half)) {
893 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
894 }
895 if (advertising & ADVERTISED_10000baseT_Full)
896 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
897
898 if (advertising & ADVERTISED_40000baseCR4_Full)
899 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
900
901 return fw_speed_mask;
902 }
903
904 static int bnxt_set_link_ksettings(struct net_device *dev,
905 const struct ethtool_link_ksettings *lk_ksettings)
906 {
907 struct bnxt *bp = netdev_priv(dev);
908 struct bnxt_link_info *link_info = &bp->link_info;
909 const struct ethtool_link_settings *base = &lk_ksettings->base;
910 u32 speed, fw_advertising = 0;
911 bool set_pause = false;
912 int rc = 0;
913
914 if (!BNXT_SINGLE_PF(bp))
915 return -EOPNOTSUPP;
916
917 if (base->autoneg == AUTONEG_ENABLE) {
918 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
919 advertising);
920 link_info->autoneg |= BNXT_AUTONEG_SPEED;
921 if (!fw_advertising)
922 link_info->advertising = link_info->support_auto_speeds;
923 else
924 link_info->advertising = fw_advertising;
925 /* any change to autoneg will cause link change, therefore the
926 * driver should put back the original pause setting in autoneg
927 */
928 set_pause = true;
929 } else {
930 u16 fw_speed;
931 u8 phy_type = link_info->phy_type;
932
933 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
934 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
935 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
936 netdev_err(dev, "10GBase-T devices must autoneg\n");
937 rc = -EINVAL;
938 goto set_setting_exit;
939 }
940 if (base->duplex == DUPLEX_HALF) {
941 netdev_err(dev, "HALF DUPLEX is not supported!\n");
942 rc = -EINVAL;
943 goto set_setting_exit;
944 }
945 speed = base->speed;
946 fw_speed = bnxt_get_fw_speed(dev, speed);
947 if (!fw_speed) {
948 rc = -EINVAL;
949 goto set_setting_exit;
950 }
951 link_info->req_link_speed = fw_speed;
952 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
953 link_info->autoneg = 0;
954 link_info->advertising = 0;
955 }
956
957 if (netif_running(dev))
958 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
959
960 set_setting_exit:
961 return rc;
962 }
963
964 static void bnxt_get_pauseparam(struct net_device *dev,
965 struct ethtool_pauseparam *epause)
966 {
967 struct bnxt *bp = netdev_priv(dev);
968 struct bnxt_link_info *link_info = &bp->link_info;
969
970 if (BNXT_VF(bp))
971 return;
972 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
973 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
974 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
975 }
976
977 static int bnxt_set_pauseparam(struct net_device *dev,
978 struct ethtool_pauseparam *epause)
979 {
980 int rc = 0;
981 struct bnxt *bp = netdev_priv(dev);
982 struct bnxt_link_info *link_info = &bp->link_info;
983
984 if (!BNXT_SINGLE_PF(bp))
985 return -EOPNOTSUPP;
986
987 if (epause->autoneg) {
988 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
989 return -EINVAL;
990
991 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
992 if (bp->hwrm_spec_code >= 0x10201)
993 link_info->req_flow_ctrl =
994 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
995 } else {
996 /* when transition from auto pause to force pause,
997 * force a link change
998 */
999 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1000 link_info->force_link_chng = true;
1001 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1002 link_info->req_flow_ctrl = 0;
1003 }
1004 if (epause->rx_pause)
1005 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1006
1007 if (epause->tx_pause)
1008 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1009
1010 if (netif_running(dev))
1011 rc = bnxt_hwrm_set_pause(bp);
1012 return rc;
1013 }
1014
1015 static u32 bnxt_get_link(struct net_device *dev)
1016 {
1017 struct bnxt *bp = netdev_priv(dev);
1018
1019 /* TODO: handle MF, VF, driver close case */
1020 return bp->link_info.link_up;
1021 }
1022
1023 static int bnxt_flash_nvram(struct net_device *dev,
1024 u16 dir_type,
1025 u16 dir_ordinal,
1026 u16 dir_ext,
1027 u16 dir_attr,
1028 const u8 *data,
1029 size_t data_len)
1030 {
1031 struct bnxt *bp = netdev_priv(dev);
1032 int rc;
1033 struct hwrm_nvm_write_input req = {0};
1034 dma_addr_t dma_handle;
1035 u8 *kmem;
1036
1037 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1038
1039 req.dir_type = cpu_to_le16(dir_type);
1040 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1041 req.dir_ext = cpu_to_le16(dir_ext);
1042 req.dir_attr = cpu_to_le16(dir_attr);
1043 req.dir_data_length = cpu_to_le32(data_len);
1044
1045 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1046 GFP_KERNEL);
1047 if (!kmem) {
1048 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1049 (unsigned)data_len);
1050 return -ENOMEM;
1051 }
1052 memcpy(kmem, data, data_len);
1053 req.host_src_addr = cpu_to_le64(dma_handle);
1054
1055 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1056 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1057
1058 return rc;
1059 }
1060
1061 static int bnxt_firmware_reset(struct net_device *dev,
1062 u16 dir_type)
1063 {
1064 struct bnxt *bp = netdev_priv(dev);
1065 struct hwrm_fw_reset_input req = {0};
1066
1067 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1068
1069 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1070 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1071 /* (e.g. when firmware isn't already running) */
1072 switch (dir_type) {
1073 case BNX_DIR_TYPE_CHIMP_PATCH:
1074 case BNX_DIR_TYPE_BOOTCODE:
1075 case BNX_DIR_TYPE_BOOTCODE_2:
1076 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1077 /* Self-reset ChiMP upon next PCIe reset: */
1078 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1079 break;
1080 case BNX_DIR_TYPE_APE_FW:
1081 case BNX_DIR_TYPE_APE_PATCH:
1082 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1083 /* Self-reset APE upon next PCIe reset: */
1084 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1085 break;
1086 case BNX_DIR_TYPE_KONG_FW:
1087 case BNX_DIR_TYPE_KONG_PATCH:
1088 req.embedded_proc_type =
1089 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1090 break;
1091 case BNX_DIR_TYPE_BONO_FW:
1092 case BNX_DIR_TYPE_BONO_PATCH:
1093 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1094 break;
1095 default:
1096 return -EINVAL;
1097 }
1098
1099 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1100 }
1101
1102 static int bnxt_flash_firmware(struct net_device *dev,
1103 u16 dir_type,
1104 const u8 *fw_data,
1105 size_t fw_size)
1106 {
1107 int rc = 0;
1108 u16 code_type;
1109 u32 stored_crc;
1110 u32 calculated_crc;
1111 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1112
1113 switch (dir_type) {
1114 case BNX_DIR_TYPE_BOOTCODE:
1115 case BNX_DIR_TYPE_BOOTCODE_2:
1116 code_type = CODE_BOOT;
1117 break;
1118 case BNX_DIR_TYPE_CHIMP_PATCH:
1119 code_type = CODE_CHIMP_PATCH;
1120 break;
1121 case BNX_DIR_TYPE_APE_FW:
1122 code_type = CODE_MCTP_PASSTHRU;
1123 break;
1124 case BNX_DIR_TYPE_APE_PATCH:
1125 code_type = CODE_APE_PATCH;
1126 break;
1127 case BNX_DIR_TYPE_KONG_FW:
1128 code_type = CODE_KONG_FW;
1129 break;
1130 case BNX_DIR_TYPE_KONG_PATCH:
1131 code_type = CODE_KONG_PATCH;
1132 break;
1133 case BNX_DIR_TYPE_BONO_FW:
1134 code_type = CODE_BONO_FW;
1135 break;
1136 case BNX_DIR_TYPE_BONO_PATCH:
1137 code_type = CODE_BONO_PATCH;
1138 break;
1139 default:
1140 netdev_err(dev, "Unsupported directory entry type: %u\n",
1141 dir_type);
1142 return -EINVAL;
1143 }
1144 if (fw_size < sizeof(struct bnxt_fw_header)) {
1145 netdev_err(dev, "Invalid firmware file size: %u\n",
1146 (unsigned int)fw_size);
1147 return -EINVAL;
1148 }
1149 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1150 netdev_err(dev, "Invalid firmware signature: %08X\n",
1151 le32_to_cpu(header->signature));
1152 return -EINVAL;
1153 }
1154 if (header->code_type != code_type) {
1155 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1156 code_type, header->code_type);
1157 return -EINVAL;
1158 }
1159 if (header->device != DEVICE_CUMULUS_FAMILY) {
1160 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1161 DEVICE_CUMULUS_FAMILY, header->device);
1162 return -EINVAL;
1163 }
1164 /* Confirm the CRC32 checksum of the file: */
1165 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1166 sizeof(stored_crc)));
1167 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1168 if (calculated_crc != stored_crc) {
1169 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1170 (unsigned long)stored_crc,
1171 (unsigned long)calculated_crc);
1172 return -EINVAL;
1173 }
1174 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
1175 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1176 0, 0, fw_data, fw_size);
1177 if (rc == 0) /* Firmware update successful */
1178 rc = bnxt_firmware_reset(dev, dir_type);
1179
1180 return rc;
1181 }
1182
1183 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1184 {
1185 switch (dir_type) {
1186 case BNX_DIR_TYPE_CHIMP_PATCH:
1187 case BNX_DIR_TYPE_BOOTCODE:
1188 case BNX_DIR_TYPE_BOOTCODE_2:
1189 case BNX_DIR_TYPE_APE_FW:
1190 case BNX_DIR_TYPE_APE_PATCH:
1191 case BNX_DIR_TYPE_KONG_FW:
1192 case BNX_DIR_TYPE_KONG_PATCH:
1193 case BNX_DIR_TYPE_BONO_FW:
1194 case BNX_DIR_TYPE_BONO_PATCH:
1195 return true;
1196 }
1197
1198 return false;
1199 }
1200
1201 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
1202 {
1203 switch (dir_type) {
1204 case BNX_DIR_TYPE_AVS:
1205 case BNX_DIR_TYPE_EXP_ROM_MBA:
1206 case BNX_DIR_TYPE_PCIE:
1207 case BNX_DIR_TYPE_TSCF_UCODE:
1208 case BNX_DIR_TYPE_EXT_PHY:
1209 case BNX_DIR_TYPE_CCM:
1210 case BNX_DIR_TYPE_ISCSI_BOOT:
1211 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1212 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1213 return true;
1214 }
1215
1216 return false;
1217 }
1218
1219 static bool bnxt_dir_type_is_executable(u16 dir_type)
1220 {
1221 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1222 bnxt_dir_type_is_unprotected_exec_format(dir_type);
1223 }
1224
1225 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1226 u16 dir_type,
1227 const char *filename)
1228 {
1229 const struct firmware *fw;
1230 int rc;
1231
1232 if (dir_type != BNX_DIR_TYPE_UPDATE &&
1233 bnxt_dir_type_is_executable(dir_type) == false)
1234 return -EINVAL;
1235
1236 rc = request_firmware(&fw, filename, &dev->dev);
1237 if (rc != 0) {
1238 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1239 rc, filename);
1240 return rc;
1241 }
1242 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1243 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1244 else
1245 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1246 0, 0, fw->data, fw->size);
1247 release_firmware(fw);
1248 return rc;
1249 }
1250
1251 static int bnxt_flash_package_from_file(struct net_device *dev,
1252 char *filename)
1253 {
1254 netdev_err(dev, "packages are not yet supported\n");
1255 return -EINVAL;
1256 }
1257
1258 static int bnxt_flash_device(struct net_device *dev,
1259 struct ethtool_flash *flash)
1260 {
1261 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1262 netdev_err(dev, "flashdev not supported from a virtual function\n");
1263 return -EINVAL;
1264 }
1265
1266 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1267 return bnxt_flash_package_from_file(dev, flash->data);
1268
1269 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1270 }
1271
1272 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1273 {
1274 struct bnxt *bp = netdev_priv(dev);
1275 int rc;
1276 struct hwrm_nvm_get_dir_info_input req = {0};
1277 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1278
1279 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1280
1281 mutex_lock(&bp->hwrm_cmd_lock);
1282 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1283 if (!rc) {
1284 *entries = le32_to_cpu(output->entries);
1285 *length = le32_to_cpu(output->entry_length);
1286 }
1287 mutex_unlock(&bp->hwrm_cmd_lock);
1288 return rc;
1289 }
1290
1291 static int bnxt_get_eeprom_len(struct net_device *dev)
1292 {
1293 /* The -1 return value allows the entire 32-bit range of offsets to be
1294 * passed via the ethtool command-line utility.
1295 */
1296 return -1;
1297 }
1298
1299 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1300 {
1301 struct bnxt *bp = netdev_priv(dev);
1302 int rc;
1303 u32 dir_entries;
1304 u32 entry_length;
1305 u8 *buf;
1306 size_t buflen;
1307 dma_addr_t dma_handle;
1308 struct hwrm_nvm_get_dir_entries_input req = {0};
1309
1310 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1311 if (rc != 0)
1312 return rc;
1313
1314 /* Insert 2 bytes of directory info (count and size of entries) */
1315 if (len < 2)
1316 return -EINVAL;
1317
1318 *data++ = dir_entries;
1319 *data++ = entry_length;
1320 len -= 2;
1321 memset(data, 0xff, len);
1322
1323 buflen = dir_entries * entry_length;
1324 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1325 GFP_KERNEL);
1326 if (!buf) {
1327 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1328 (unsigned)buflen);
1329 return -ENOMEM;
1330 }
1331 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1332 req.host_dest_addr = cpu_to_le64(dma_handle);
1333 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1334 if (rc == 0)
1335 memcpy(data, buf, len > buflen ? buflen : len);
1336 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1337 return rc;
1338 }
1339
1340 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1341 u32 length, u8 *data)
1342 {
1343 struct bnxt *bp = netdev_priv(dev);
1344 int rc;
1345 u8 *buf;
1346 dma_addr_t dma_handle;
1347 struct hwrm_nvm_read_input req = {0};
1348
1349 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1350 GFP_KERNEL);
1351 if (!buf) {
1352 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1353 (unsigned)length);
1354 return -ENOMEM;
1355 }
1356 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1357 req.host_dest_addr = cpu_to_le64(dma_handle);
1358 req.dir_idx = cpu_to_le16(index);
1359 req.offset = cpu_to_le32(offset);
1360 req.len = cpu_to_le32(length);
1361
1362 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1363 if (rc == 0)
1364 memcpy(data, buf, length);
1365 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1366 return rc;
1367 }
1368
1369 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1370 u16 ext, u16 *index, u32 *item_length,
1371 u32 *data_length)
1372 {
1373 struct bnxt *bp = netdev_priv(dev);
1374 int rc;
1375 struct hwrm_nvm_find_dir_entry_input req = {0};
1376 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1377
1378 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1379 req.enables = 0;
1380 req.dir_idx = 0;
1381 req.dir_type = cpu_to_le16(type);
1382 req.dir_ordinal = cpu_to_le16(ordinal);
1383 req.dir_ext = cpu_to_le16(ext);
1384 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1385 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1386 if (rc == 0) {
1387 if (index)
1388 *index = le16_to_cpu(output->dir_idx);
1389 if (item_length)
1390 *item_length = le32_to_cpu(output->dir_item_length);
1391 if (data_length)
1392 *data_length = le32_to_cpu(output->dir_data_length);
1393 }
1394 return rc;
1395 }
1396
1397 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1398 {
1399 char *retval = NULL;
1400 char *p;
1401 char *value;
1402 int field = 0;
1403
1404 if (datalen < 1)
1405 return NULL;
1406 /* null-terminate the log data (removing last '\n'): */
1407 data[datalen - 1] = 0;
1408 for (p = data; *p != 0; p++) {
1409 field = 0;
1410 retval = NULL;
1411 while (*p != 0 && *p != '\n') {
1412 value = p;
1413 while (*p != 0 && *p != '\t' && *p != '\n')
1414 p++;
1415 if (field == desired_field)
1416 retval = value;
1417 if (*p != '\t')
1418 break;
1419 *p = 0;
1420 field++;
1421 p++;
1422 }
1423 if (*p == 0)
1424 break;
1425 *p = 0;
1426 }
1427 return retval;
1428 }
1429
1430 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1431 {
1432 u16 index = 0;
1433 u32 datalen;
1434
1435 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1436 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1437 &index, NULL, &datalen) != 0)
1438 return NULL;
1439
1440 memset(buf, 0, buflen);
1441 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1442 return NULL;
1443
1444 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1445 datalen);
1446 }
1447
1448 static int bnxt_get_eeprom(struct net_device *dev,
1449 struct ethtool_eeprom *eeprom,
1450 u8 *data)
1451 {
1452 u32 index;
1453 u32 offset;
1454
1455 if (eeprom->offset == 0) /* special offset value to get directory */
1456 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1457
1458 index = eeprom->offset >> 24;
1459 offset = eeprom->offset & 0xffffff;
1460
1461 if (index == 0) {
1462 netdev_err(dev, "unsupported index value: %d\n", index);
1463 return -EINVAL;
1464 }
1465
1466 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1467 }
1468
1469 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1470 {
1471 struct bnxt *bp = netdev_priv(dev);
1472 struct hwrm_nvm_erase_dir_entry_input req = {0};
1473
1474 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1475 req.dir_idx = cpu_to_le16(index);
1476 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1477 }
1478
1479 static int bnxt_set_eeprom(struct net_device *dev,
1480 struct ethtool_eeprom *eeprom,
1481 u8 *data)
1482 {
1483 struct bnxt *bp = netdev_priv(dev);
1484 u8 index, dir_op;
1485 u16 type, ext, ordinal, attr;
1486
1487 if (!BNXT_PF(bp)) {
1488 netdev_err(dev, "NVM write not supported from a virtual function\n");
1489 return -EINVAL;
1490 }
1491
1492 type = eeprom->magic >> 16;
1493
1494 if (type == 0xffff) { /* special value for directory operations */
1495 index = eeprom->magic & 0xff;
1496 dir_op = eeprom->magic >> 8;
1497 if (index == 0)
1498 return -EINVAL;
1499 switch (dir_op) {
1500 case 0x0e: /* erase */
1501 if (eeprom->offset != ~eeprom->magic)
1502 return -EINVAL;
1503 return bnxt_erase_nvram_directory(dev, index - 1);
1504 default:
1505 return -EINVAL;
1506 }
1507 }
1508
1509 /* Create or re-write an NVM item: */
1510 if (bnxt_dir_type_is_executable(type) == true)
1511 return -EINVAL;
1512 ext = eeprom->magic & 0xffff;
1513 ordinal = eeprom->offset >> 16;
1514 attr = eeprom->offset & 0xffff;
1515
1516 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1517 eeprom->len);
1518 }
1519
1520 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1521 {
1522 struct bnxt *bp = netdev_priv(dev);
1523 struct ethtool_eee *eee = &bp->eee;
1524 struct bnxt_link_info *link_info = &bp->link_info;
1525 u32 advertising =
1526 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1527 int rc = 0;
1528
1529 if (!BNXT_SINGLE_PF(bp))
1530 return -EOPNOTSUPP;
1531
1532 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1533 return -EOPNOTSUPP;
1534
1535 if (!edata->eee_enabled)
1536 goto eee_ok;
1537
1538 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1539 netdev_warn(dev, "EEE requires autoneg\n");
1540 return -EINVAL;
1541 }
1542 if (edata->tx_lpi_enabled) {
1543 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1544 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1545 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1546 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1547 return -EINVAL;
1548 } else if (!bp->lpi_tmr_hi) {
1549 edata->tx_lpi_timer = eee->tx_lpi_timer;
1550 }
1551 }
1552 if (!edata->advertised) {
1553 edata->advertised = advertising & eee->supported;
1554 } else if (edata->advertised & ~advertising) {
1555 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1556 edata->advertised, advertising);
1557 return -EINVAL;
1558 }
1559
1560 eee->advertised = edata->advertised;
1561 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1562 eee->tx_lpi_timer = edata->tx_lpi_timer;
1563 eee_ok:
1564 eee->eee_enabled = edata->eee_enabled;
1565
1566 if (netif_running(dev))
1567 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1568
1569 return rc;
1570 }
1571
1572 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1573 {
1574 struct bnxt *bp = netdev_priv(dev);
1575
1576 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1577 return -EOPNOTSUPP;
1578
1579 *edata = bp->eee;
1580 if (!bp->eee.eee_enabled) {
1581 /* Preserve tx_lpi_timer so that the last value will be used
1582 * by default when it is re-enabled.
1583 */
1584 edata->advertised = 0;
1585 edata->tx_lpi_enabled = 0;
1586 }
1587
1588 if (!bp->eee.eee_active)
1589 edata->lp_advertised = 0;
1590
1591 return 0;
1592 }
1593
1594 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
1595 u16 page_number, u16 start_addr,
1596 u16 data_length, u8 *buf)
1597 {
1598 struct hwrm_port_phy_i2c_read_input req = {0};
1599 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1600 int rc, byte_offset = 0;
1601
1602 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1603 req.i2c_slave_addr = i2c_addr;
1604 req.page_number = cpu_to_le16(page_number);
1605 req.port_id = cpu_to_le16(bp->pf.port_id);
1606 do {
1607 u16 xfer_size;
1608
1609 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
1610 data_length -= xfer_size;
1611 req.page_offset = cpu_to_le16(start_addr + byte_offset);
1612 req.data_length = xfer_size;
1613 req.enables = cpu_to_le32(start_addr + byte_offset ?
1614 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
1615 mutex_lock(&bp->hwrm_cmd_lock);
1616 rc = _hwrm_send_message(bp, &req, sizeof(req),
1617 HWRM_CMD_TIMEOUT);
1618 if (!rc)
1619 memcpy(buf + byte_offset, output->data, xfer_size);
1620 mutex_unlock(&bp->hwrm_cmd_lock);
1621 byte_offset += xfer_size;
1622 } while (!rc && data_length > 0);
1623
1624 return rc;
1625 }
1626
1627 static int bnxt_get_module_info(struct net_device *dev,
1628 struct ethtool_modinfo *modinfo)
1629 {
1630 struct bnxt *bp = netdev_priv(dev);
1631 struct hwrm_port_phy_i2c_read_input req = {0};
1632 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1633 int rc;
1634
1635 /* No point in going further if phy status indicates
1636 * module is not inserted or if it is powered down or
1637 * if it is of type 10GBase-T
1638 */
1639 if (bp->link_info.module_status >
1640 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
1641 return -EOPNOTSUPP;
1642
1643 /* This feature is not supported in older firmware versions */
1644 if (bp->hwrm_spec_code < 0x10202)
1645 return -EOPNOTSUPP;
1646
1647 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1648 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
1649 req.page_number = 0;
1650 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
1651 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
1652 req.port_id = cpu_to_le16(bp->pf.port_id);
1653 mutex_lock(&bp->hwrm_cmd_lock);
1654 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1655 if (!rc) {
1656 u32 module_id = le32_to_cpu(output->data[0]);
1657
1658 switch (module_id) {
1659 case SFF_MODULE_ID_SFP:
1660 modinfo->type = ETH_MODULE_SFF_8472;
1661 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1662 break;
1663 case SFF_MODULE_ID_QSFP:
1664 case SFF_MODULE_ID_QSFP_PLUS:
1665 modinfo->type = ETH_MODULE_SFF_8436;
1666 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1667 break;
1668 case SFF_MODULE_ID_QSFP28:
1669 modinfo->type = ETH_MODULE_SFF_8636;
1670 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1671 break;
1672 default:
1673 rc = -EOPNOTSUPP;
1674 break;
1675 }
1676 }
1677 mutex_unlock(&bp->hwrm_cmd_lock);
1678 return rc;
1679 }
1680
1681 static int bnxt_get_module_eeprom(struct net_device *dev,
1682 struct ethtool_eeprom *eeprom,
1683 u8 *data)
1684 {
1685 struct bnxt *bp = netdev_priv(dev);
1686 u16 start = eeprom->offset, length = eeprom->len;
1687 int rc;
1688
1689 memset(data, 0, eeprom->len);
1690
1691 /* Read A0 portion of the EEPROM */
1692 if (start < ETH_MODULE_SFF_8436_LEN) {
1693 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
1694 length = ETH_MODULE_SFF_8436_LEN - start;
1695 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
1696 start, length, data);
1697 if (rc)
1698 return rc;
1699 start += length;
1700 data += length;
1701 length = eeprom->len - length;
1702 }
1703
1704 /* Read A2 portion of the EEPROM */
1705 if (length) {
1706 start -= ETH_MODULE_SFF_8436_LEN;
1707 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
1708 length, data);
1709 }
1710 return rc;
1711 }
1712
1713 const struct ethtool_ops bnxt_ethtool_ops = {
1714 .get_link_ksettings = bnxt_get_link_ksettings,
1715 .set_link_ksettings = bnxt_set_link_ksettings,
1716 .get_pauseparam = bnxt_get_pauseparam,
1717 .set_pauseparam = bnxt_set_pauseparam,
1718 .get_drvinfo = bnxt_get_drvinfo,
1719 .get_coalesce = bnxt_get_coalesce,
1720 .set_coalesce = bnxt_set_coalesce,
1721 .get_msglevel = bnxt_get_msglevel,
1722 .set_msglevel = bnxt_set_msglevel,
1723 .get_sset_count = bnxt_get_sset_count,
1724 .get_strings = bnxt_get_strings,
1725 .get_ethtool_stats = bnxt_get_ethtool_stats,
1726 .set_ringparam = bnxt_set_ringparam,
1727 .get_ringparam = bnxt_get_ringparam,
1728 .get_channels = bnxt_get_channels,
1729 .set_channels = bnxt_set_channels,
1730 #ifdef CONFIG_RFS_ACCEL
1731 .get_rxnfc = bnxt_get_rxnfc,
1732 #endif
1733 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
1734 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
1735 .get_rxfh = bnxt_get_rxfh,
1736 .flash_device = bnxt_flash_device,
1737 .get_eeprom_len = bnxt_get_eeprom_len,
1738 .get_eeprom = bnxt_get_eeprom,
1739 .set_eeprom = bnxt_set_eeprom,
1740 .get_link = bnxt_get_link,
1741 .get_eee = bnxt_get_eee,
1742 .set_eee = bnxt_set_eee,
1743 .get_module_info = bnxt_get_module_info,
1744 .get_module_eeprom = bnxt_get_module_eeprom,
1745 };
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