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Merge tag 'nfc-next-4.8-1' of git://git.kernel.org/pub/scm/linux/kernel/git/sameo...
[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 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
366 channel->combined_count--;
367 } else {
368 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
369 channel->rx_count = bp->rx_nr_rings;
370 channel->tx_count = bp->tx_nr_rings_per_tc;
371 }
372 }
373 }
374
375 static int bnxt_set_channels(struct net_device *dev,
376 struct ethtool_channels *channel)
377 {
378 struct bnxt *bp = netdev_priv(dev);
379 int max_rx_rings, max_tx_rings, tcs;
380 u32 rc = 0;
381 bool sh = false;
382
383 if (channel->other_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 (channel->rx_count || channel->tx_count))
392 return -EINVAL;
393
394 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
395 channel->tx_count))
396 return -EINVAL;
397
398 if (channel->combined_count)
399 sh = true;
400
401 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
402
403 tcs = netdev_get_num_tc(dev);
404 if (tcs > 1)
405 max_tx_rings /= tcs;
406
407 if (sh && (channel->combined_count > max_rx_rings ||
408 channel->combined_count > max_tx_rings))
409 return -ENOMEM;
410
411 if (!sh && (channel->rx_count > max_rx_rings ||
412 channel->tx_count > max_tx_rings))
413 return -ENOMEM;
414
415 if (netif_running(dev)) {
416 if (BNXT_PF(bp)) {
417 /* TODO CHIMP_FW: Send message to all VF's
418 * before PF unload
419 */
420 }
421 rc = bnxt_close_nic(bp, true, false);
422 if (rc) {
423 netdev_err(bp->dev, "Set channel failure rc :%x\n",
424 rc);
425 return rc;
426 }
427 }
428
429 if (sh) {
430 bp->flags |= BNXT_FLAG_SHARED_RINGS;
431 bp->rx_nr_rings = channel->combined_count;
432 bp->tx_nr_rings_per_tc = channel->combined_count;
433 } else {
434 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
435 bp->rx_nr_rings = channel->rx_count;
436 bp->tx_nr_rings_per_tc = channel->tx_count;
437 }
438
439 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
440 if (tcs > 1)
441 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
442
443 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
444 bp->tx_nr_rings + bp->rx_nr_rings;
445
446 bp->num_stat_ctxs = bp->cp_nr_rings;
447
448 /* After changing number of rx channels, update NTUPLE feature. */
449 netdev_update_features(dev);
450 if (netif_running(dev)) {
451 rc = bnxt_open_nic(bp, true, false);
452 if ((!rc) && BNXT_PF(bp)) {
453 /* TODO CHIMP_FW: Send message to all VF's
454 * to renable
455 */
456 }
457 }
458
459 return rc;
460 }
461
462 #ifdef CONFIG_RFS_ACCEL
463 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
464 u32 *rule_locs)
465 {
466 int i, j = 0;
467
468 cmd->data = bp->ntp_fltr_count;
469 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
470 struct hlist_head *head;
471 struct bnxt_ntuple_filter *fltr;
472
473 head = &bp->ntp_fltr_hash_tbl[i];
474 rcu_read_lock();
475 hlist_for_each_entry_rcu(fltr, head, hash) {
476 if (j == cmd->rule_cnt)
477 break;
478 rule_locs[j++] = fltr->sw_id;
479 }
480 rcu_read_unlock();
481 if (j == cmd->rule_cnt)
482 break;
483 }
484 cmd->rule_cnt = j;
485 return 0;
486 }
487
488 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
489 {
490 struct ethtool_rx_flow_spec *fs =
491 (struct ethtool_rx_flow_spec *)&cmd->fs;
492 struct bnxt_ntuple_filter *fltr;
493 struct flow_keys *fkeys;
494 int i, rc = -EINVAL;
495
496 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
497 return rc;
498
499 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
500 struct hlist_head *head;
501
502 head = &bp->ntp_fltr_hash_tbl[i];
503 rcu_read_lock();
504 hlist_for_each_entry_rcu(fltr, head, hash) {
505 if (fltr->sw_id == fs->location)
506 goto fltr_found;
507 }
508 rcu_read_unlock();
509 }
510 return rc;
511
512 fltr_found:
513 fkeys = &fltr->fkeys;
514 if (fkeys->basic.ip_proto == IPPROTO_TCP)
515 fs->flow_type = TCP_V4_FLOW;
516 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
517 fs->flow_type = UDP_V4_FLOW;
518 else
519 goto fltr_err;
520
521 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
522 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
523
524 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
525 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
526
527 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
528 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
529
530 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
531 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
532
533 fs->ring_cookie = fltr->rxq;
534 rc = 0;
535
536 fltr_err:
537 rcu_read_unlock();
538
539 return rc;
540 }
541
542 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
543 u32 *rule_locs)
544 {
545 struct bnxt *bp = netdev_priv(dev);
546 int rc = 0;
547
548 switch (cmd->cmd) {
549 case ETHTOOL_GRXRINGS:
550 cmd->data = bp->rx_nr_rings;
551 break;
552
553 case ETHTOOL_GRXCLSRLCNT:
554 cmd->rule_cnt = bp->ntp_fltr_count;
555 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
556 break;
557
558 case ETHTOOL_GRXCLSRLALL:
559 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
560 break;
561
562 case ETHTOOL_GRXCLSRULE:
563 rc = bnxt_grxclsrule(bp, cmd);
564 break;
565
566 default:
567 rc = -EOPNOTSUPP;
568 break;
569 }
570
571 return rc;
572 }
573 #endif
574
575 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
576 {
577 return HW_HASH_INDEX_SIZE;
578 }
579
580 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
581 {
582 return HW_HASH_KEY_SIZE;
583 }
584
585 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
586 u8 *hfunc)
587 {
588 struct bnxt *bp = netdev_priv(dev);
589 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
590 int i = 0;
591
592 if (hfunc)
593 *hfunc = ETH_RSS_HASH_TOP;
594
595 if (indir)
596 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
597 indir[i] = le16_to_cpu(vnic->rss_table[i]);
598
599 if (key)
600 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
601
602 return 0;
603 }
604
605 static void bnxt_get_drvinfo(struct net_device *dev,
606 struct ethtool_drvinfo *info)
607 {
608 struct bnxt *bp = netdev_priv(dev);
609 char *pkglog;
610 char *pkgver = NULL;
611
612 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
613 if (pkglog)
614 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
615 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
616 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
617 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
618 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
619 "%s pkg %s", bp->fw_ver_str, pkgver);
620 else
621 strlcpy(info->fw_version, bp->fw_ver_str,
622 sizeof(info->fw_version));
623 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
624 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
625 info->testinfo_len = BNXT_NUM_TESTS(bp);
626 /* TODO CHIMP_FW: eeprom dump details */
627 info->eedump_len = 0;
628 /* TODO CHIMP FW: reg dump details */
629 info->regdump_len = 0;
630 kfree(pkglog);
631 }
632
633 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
634 {
635 u32 speed_mask = 0;
636
637 /* TODO: support 25GB, 40GB, 50GB with different cable type */
638 /* set the advertised speeds */
639 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
640 speed_mask |= ADVERTISED_100baseT_Full;
641 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
642 speed_mask |= ADVERTISED_1000baseT_Full;
643 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
644 speed_mask |= ADVERTISED_2500baseX_Full;
645 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
646 speed_mask |= ADVERTISED_10000baseT_Full;
647 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
648 speed_mask |= ADVERTISED_40000baseCR4_Full;
649
650 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
651 speed_mask |= ADVERTISED_Pause;
652 else if (fw_pause & BNXT_LINK_PAUSE_TX)
653 speed_mask |= ADVERTISED_Asym_Pause;
654 else if (fw_pause & BNXT_LINK_PAUSE_RX)
655 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
656
657 return speed_mask;
658 }
659
660 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
661 { \
662 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
663 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
664 100baseT_Full); \
665 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
666 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
667 1000baseT_Full); \
668 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
669 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
670 10000baseT_Full); \
671 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
672 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
673 25000baseCR_Full); \
674 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
675 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
676 40000baseCR4_Full);\
677 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
678 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
679 50000baseCR2_Full);\
680 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
681 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
682 Pause); \
683 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
684 ethtool_link_ksettings_add_link_mode( \
685 lk_ksettings, name, Asym_Pause);\
686 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
687 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
688 Asym_Pause); \
689 } \
690 }
691
692 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
693 { \
694 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
695 100baseT_Full) || \
696 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
697 100baseT_Half)) \
698 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
699 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
700 1000baseT_Full) || \
701 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
702 1000baseT_Half)) \
703 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
704 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
705 10000baseT_Full)) \
706 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
707 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
708 25000baseCR_Full)) \
709 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
710 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
711 40000baseCR4_Full)) \
712 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
713 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
714 50000baseCR2_Full)) \
715 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
716 }
717
718 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
719 struct ethtool_link_ksettings *lk_ksettings)
720 {
721 u16 fw_speeds = link_info->auto_link_speeds;
722 u8 fw_pause = 0;
723
724 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
725 fw_pause = link_info->auto_pause_setting;
726
727 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
728 }
729
730 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
731 struct ethtool_link_ksettings *lk_ksettings)
732 {
733 u16 fw_speeds = link_info->lp_auto_link_speeds;
734 u8 fw_pause = 0;
735
736 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
737 fw_pause = link_info->lp_pause;
738
739 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
740 lp_advertising);
741 }
742
743 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
744 struct ethtool_link_ksettings *lk_ksettings)
745 {
746 u16 fw_speeds = link_info->support_speeds;
747
748 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
749
750 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
751 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
752 Asym_Pause);
753
754 if (link_info->support_auto_speeds)
755 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
756 Autoneg);
757 }
758
759 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
760 {
761 switch (fw_link_speed) {
762 case BNXT_LINK_SPEED_100MB:
763 return SPEED_100;
764 case BNXT_LINK_SPEED_1GB:
765 return SPEED_1000;
766 case BNXT_LINK_SPEED_2_5GB:
767 return SPEED_2500;
768 case BNXT_LINK_SPEED_10GB:
769 return SPEED_10000;
770 case BNXT_LINK_SPEED_20GB:
771 return SPEED_20000;
772 case BNXT_LINK_SPEED_25GB:
773 return SPEED_25000;
774 case BNXT_LINK_SPEED_40GB:
775 return SPEED_40000;
776 case BNXT_LINK_SPEED_50GB:
777 return SPEED_50000;
778 default:
779 return SPEED_UNKNOWN;
780 }
781 }
782
783 static int bnxt_get_link_ksettings(struct net_device *dev,
784 struct ethtool_link_ksettings *lk_ksettings)
785 {
786 struct bnxt *bp = netdev_priv(dev);
787 struct bnxt_link_info *link_info = &bp->link_info;
788 struct ethtool_link_settings *base = &lk_ksettings->base;
789 u32 ethtool_speed;
790
791 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
792 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
793
794 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
795 if (link_info->autoneg) {
796 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
797 ethtool_link_ksettings_add_link_mode(lk_ksettings,
798 advertising, Autoneg);
799 base->autoneg = AUTONEG_ENABLE;
800 if (link_info->phy_link_status == BNXT_LINK_LINK)
801 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
802 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
803 if (!netif_carrier_ok(dev))
804 base->duplex = DUPLEX_UNKNOWN;
805 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
806 base->duplex = DUPLEX_FULL;
807 else
808 base->duplex = DUPLEX_HALF;
809 } else {
810 base->autoneg = AUTONEG_DISABLE;
811 ethtool_speed =
812 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
813 base->duplex = DUPLEX_HALF;
814 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
815 base->duplex = DUPLEX_FULL;
816 }
817 base->speed = ethtool_speed;
818
819 base->port = PORT_NONE;
820 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
821 base->port = PORT_TP;
822 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
823 TP);
824 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
825 TP);
826 } else {
827 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
828 FIBRE);
829 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
830 FIBRE);
831
832 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
833 base->port = PORT_DA;
834 else if (link_info->media_type ==
835 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
836 base->port = PORT_FIBRE;
837 }
838 base->phy_address = link_info->phy_addr;
839
840 return 0;
841 }
842
843 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
844 {
845 struct bnxt *bp = netdev_priv(dev);
846 struct bnxt_link_info *link_info = &bp->link_info;
847 u16 support_spds = link_info->support_speeds;
848 u32 fw_speed = 0;
849
850 switch (ethtool_speed) {
851 case SPEED_100:
852 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
853 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
854 break;
855 case SPEED_1000:
856 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
857 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
858 break;
859 case SPEED_2500:
860 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
861 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
862 break;
863 case SPEED_10000:
864 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
865 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
866 break;
867 case SPEED_20000:
868 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
869 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
870 break;
871 case SPEED_25000:
872 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
873 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
874 break;
875 case SPEED_40000:
876 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
877 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
878 break;
879 case SPEED_50000:
880 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
881 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
882 break;
883 default:
884 netdev_err(dev, "unsupported speed!\n");
885 break;
886 }
887 return fw_speed;
888 }
889
890 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
891 {
892 u16 fw_speed_mask = 0;
893
894 /* only support autoneg at speed 100, 1000, and 10000 */
895 if (advertising & (ADVERTISED_100baseT_Full |
896 ADVERTISED_100baseT_Half)) {
897 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
898 }
899 if (advertising & (ADVERTISED_1000baseT_Full |
900 ADVERTISED_1000baseT_Half)) {
901 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
902 }
903 if (advertising & ADVERTISED_10000baseT_Full)
904 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
905
906 if (advertising & ADVERTISED_40000baseCR4_Full)
907 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
908
909 return fw_speed_mask;
910 }
911
912 static int bnxt_set_link_ksettings(struct net_device *dev,
913 const struct ethtool_link_ksettings *lk_ksettings)
914 {
915 struct bnxt *bp = netdev_priv(dev);
916 struct bnxt_link_info *link_info = &bp->link_info;
917 const struct ethtool_link_settings *base = &lk_ksettings->base;
918 u32 speed, fw_advertising = 0;
919 bool set_pause = false;
920 int rc = 0;
921
922 if (!BNXT_SINGLE_PF(bp))
923 return -EOPNOTSUPP;
924
925 if (base->autoneg == AUTONEG_ENABLE) {
926 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
927 advertising);
928 link_info->autoneg |= BNXT_AUTONEG_SPEED;
929 if (!fw_advertising)
930 link_info->advertising = link_info->support_auto_speeds;
931 else
932 link_info->advertising = fw_advertising;
933 /* any change to autoneg will cause link change, therefore the
934 * driver should put back the original pause setting in autoneg
935 */
936 set_pause = true;
937 } else {
938 u16 fw_speed;
939 u8 phy_type = link_info->phy_type;
940
941 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
942 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
943 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
944 netdev_err(dev, "10GBase-T devices must autoneg\n");
945 rc = -EINVAL;
946 goto set_setting_exit;
947 }
948 if (base->duplex == DUPLEX_HALF) {
949 netdev_err(dev, "HALF DUPLEX is not supported!\n");
950 rc = -EINVAL;
951 goto set_setting_exit;
952 }
953 speed = base->speed;
954 fw_speed = bnxt_get_fw_speed(dev, speed);
955 if (!fw_speed) {
956 rc = -EINVAL;
957 goto set_setting_exit;
958 }
959 link_info->req_link_speed = fw_speed;
960 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
961 link_info->autoneg = 0;
962 link_info->advertising = 0;
963 }
964
965 if (netif_running(dev))
966 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
967
968 set_setting_exit:
969 return rc;
970 }
971
972 static void bnxt_get_pauseparam(struct net_device *dev,
973 struct ethtool_pauseparam *epause)
974 {
975 struct bnxt *bp = netdev_priv(dev);
976 struct bnxt_link_info *link_info = &bp->link_info;
977
978 if (BNXT_VF(bp))
979 return;
980 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
981 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
982 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
983 }
984
985 static int bnxt_set_pauseparam(struct net_device *dev,
986 struct ethtool_pauseparam *epause)
987 {
988 int rc = 0;
989 struct bnxt *bp = netdev_priv(dev);
990 struct bnxt_link_info *link_info = &bp->link_info;
991
992 if (!BNXT_SINGLE_PF(bp))
993 return -EOPNOTSUPP;
994
995 if (epause->autoneg) {
996 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
997 return -EINVAL;
998
999 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1000 if (bp->hwrm_spec_code >= 0x10201)
1001 link_info->req_flow_ctrl =
1002 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1003 } else {
1004 /* when transition from auto pause to force pause,
1005 * force a link change
1006 */
1007 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1008 link_info->force_link_chng = true;
1009 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1010 link_info->req_flow_ctrl = 0;
1011 }
1012 if (epause->rx_pause)
1013 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1014
1015 if (epause->tx_pause)
1016 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1017
1018 if (netif_running(dev))
1019 rc = bnxt_hwrm_set_pause(bp);
1020 return rc;
1021 }
1022
1023 static u32 bnxt_get_link(struct net_device *dev)
1024 {
1025 struct bnxt *bp = netdev_priv(dev);
1026
1027 /* TODO: handle MF, VF, driver close case */
1028 return bp->link_info.link_up;
1029 }
1030
1031 static int bnxt_flash_nvram(struct net_device *dev,
1032 u16 dir_type,
1033 u16 dir_ordinal,
1034 u16 dir_ext,
1035 u16 dir_attr,
1036 const u8 *data,
1037 size_t data_len)
1038 {
1039 struct bnxt *bp = netdev_priv(dev);
1040 int rc;
1041 struct hwrm_nvm_write_input req = {0};
1042 dma_addr_t dma_handle;
1043 u8 *kmem;
1044
1045 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1046
1047 req.dir_type = cpu_to_le16(dir_type);
1048 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1049 req.dir_ext = cpu_to_le16(dir_ext);
1050 req.dir_attr = cpu_to_le16(dir_attr);
1051 req.dir_data_length = cpu_to_le32(data_len);
1052
1053 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1054 GFP_KERNEL);
1055 if (!kmem) {
1056 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1057 (unsigned)data_len);
1058 return -ENOMEM;
1059 }
1060 memcpy(kmem, data, data_len);
1061 req.host_src_addr = cpu_to_le64(dma_handle);
1062
1063 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1064 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1065
1066 return rc;
1067 }
1068
1069 static int bnxt_firmware_reset(struct net_device *dev,
1070 u16 dir_type)
1071 {
1072 struct bnxt *bp = netdev_priv(dev);
1073 struct hwrm_fw_reset_input req = {0};
1074
1075 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1076
1077 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1078 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1079 /* (e.g. when firmware isn't already running) */
1080 switch (dir_type) {
1081 case BNX_DIR_TYPE_CHIMP_PATCH:
1082 case BNX_DIR_TYPE_BOOTCODE:
1083 case BNX_DIR_TYPE_BOOTCODE_2:
1084 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1085 /* Self-reset ChiMP upon next PCIe reset: */
1086 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1087 break;
1088 case BNX_DIR_TYPE_APE_FW:
1089 case BNX_DIR_TYPE_APE_PATCH:
1090 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1091 /* Self-reset APE upon next PCIe reset: */
1092 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1093 break;
1094 case BNX_DIR_TYPE_KONG_FW:
1095 case BNX_DIR_TYPE_KONG_PATCH:
1096 req.embedded_proc_type =
1097 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1098 break;
1099 case BNX_DIR_TYPE_BONO_FW:
1100 case BNX_DIR_TYPE_BONO_PATCH:
1101 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1102 break;
1103 default:
1104 return -EINVAL;
1105 }
1106
1107 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1108 }
1109
1110 static int bnxt_flash_firmware(struct net_device *dev,
1111 u16 dir_type,
1112 const u8 *fw_data,
1113 size_t fw_size)
1114 {
1115 int rc = 0;
1116 u16 code_type;
1117 u32 stored_crc;
1118 u32 calculated_crc;
1119 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1120
1121 switch (dir_type) {
1122 case BNX_DIR_TYPE_BOOTCODE:
1123 case BNX_DIR_TYPE_BOOTCODE_2:
1124 code_type = CODE_BOOT;
1125 break;
1126 case BNX_DIR_TYPE_CHIMP_PATCH:
1127 code_type = CODE_CHIMP_PATCH;
1128 break;
1129 case BNX_DIR_TYPE_APE_FW:
1130 code_type = CODE_MCTP_PASSTHRU;
1131 break;
1132 case BNX_DIR_TYPE_APE_PATCH:
1133 code_type = CODE_APE_PATCH;
1134 break;
1135 case BNX_DIR_TYPE_KONG_FW:
1136 code_type = CODE_KONG_FW;
1137 break;
1138 case BNX_DIR_TYPE_KONG_PATCH:
1139 code_type = CODE_KONG_PATCH;
1140 break;
1141 case BNX_DIR_TYPE_BONO_FW:
1142 code_type = CODE_BONO_FW;
1143 break;
1144 case BNX_DIR_TYPE_BONO_PATCH:
1145 code_type = CODE_BONO_PATCH;
1146 break;
1147 default:
1148 netdev_err(dev, "Unsupported directory entry type: %u\n",
1149 dir_type);
1150 return -EINVAL;
1151 }
1152 if (fw_size < sizeof(struct bnxt_fw_header)) {
1153 netdev_err(dev, "Invalid firmware file size: %u\n",
1154 (unsigned int)fw_size);
1155 return -EINVAL;
1156 }
1157 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1158 netdev_err(dev, "Invalid firmware signature: %08X\n",
1159 le32_to_cpu(header->signature));
1160 return -EINVAL;
1161 }
1162 if (header->code_type != code_type) {
1163 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1164 code_type, header->code_type);
1165 return -EINVAL;
1166 }
1167 if (header->device != DEVICE_CUMULUS_FAMILY) {
1168 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1169 DEVICE_CUMULUS_FAMILY, header->device);
1170 return -EINVAL;
1171 }
1172 /* Confirm the CRC32 checksum of the file: */
1173 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1174 sizeof(stored_crc)));
1175 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1176 if (calculated_crc != stored_crc) {
1177 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1178 (unsigned long)stored_crc,
1179 (unsigned long)calculated_crc);
1180 return -EINVAL;
1181 }
1182 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
1183 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1184 0, 0, fw_data, fw_size);
1185 if (rc == 0) /* Firmware update successful */
1186 rc = bnxt_firmware_reset(dev, dir_type);
1187
1188 return rc;
1189 }
1190
1191 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1192 {
1193 switch (dir_type) {
1194 case BNX_DIR_TYPE_CHIMP_PATCH:
1195 case BNX_DIR_TYPE_BOOTCODE:
1196 case BNX_DIR_TYPE_BOOTCODE_2:
1197 case BNX_DIR_TYPE_APE_FW:
1198 case BNX_DIR_TYPE_APE_PATCH:
1199 case BNX_DIR_TYPE_KONG_FW:
1200 case BNX_DIR_TYPE_KONG_PATCH:
1201 case BNX_DIR_TYPE_BONO_FW:
1202 case BNX_DIR_TYPE_BONO_PATCH:
1203 return true;
1204 }
1205
1206 return false;
1207 }
1208
1209 static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
1210 {
1211 switch (dir_type) {
1212 case BNX_DIR_TYPE_AVS:
1213 case BNX_DIR_TYPE_EXP_ROM_MBA:
1214 case BNX_DIR_TYPE_PCIE:
1215 case BNX_DIR_TYPE_TSCF_UCODE:
1216 case BNX_DIR_TYPE_EXT_PHY:
1217 case BNX_DIR_TYPE_CCM:
1218 case BNX_DIR_TYPE_ISCSI_BOOT:
1219 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1220 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1221 return true;
1222 }
1223
1224 return false;
1225 }
1226
1227 static bool bnxt_dir_type_is_executable(u16 dir_type)
1228 {
1229 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1230 bnxt_dir_type_is_unprotected_exec_format(dir_type);
1231 }
1232
1233 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1234 u16 dir_type,
1235 const char *filename)
1236 {
1237 const struct firmware *fw;
1238 int rc;
1239
1240 if (dir_type != BNX_DIR_TYPE_UPDATE &&
1241 bnxt_dir_type_is_executable(dir_type) == false)
1242 return -EINVAL;
1243
1244 rc = request_firmware(&fw, filename, &dev->dev);
1245 if (rc != 0) {
1246 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1247 rc, filename);
1248 return rc;
1249 }
1250 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1251 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1252 else
1253 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1254 0, 0, fw->data, fw->size);
1255 release_firmware(fw);
1256 return rc;
1257 }
1258
1259 static int bnxt_flash_package_from_file(struct net_device *dev,
1260 char *filename)
1261 {
1262 netdev_err(dev, "packages are not yet supported\n");
1263 return -EINVAL;
1264 }
1265
1266 static int bnxt_flash_device(struct net_device *dev,
1267 struct ethtool_flash *flash)
1268 {
1269 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1270 netdev_err(dev, "flashdev not supported from a virtual function\n");
1271 return -EINVAL;
1272 }
1273
1274 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1275 return bnxt_flash_package_from_file(dev, flash->data);
1276
1277 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1278 }
1279
1280 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1281 {
1282 struct bnxt *bp = netdev_priv(dev);
1283 int rc;
1284 struct hwrm_nvm_get_dir_info_input req = {0};
1285 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1286
1287 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1288
1289 mutex_lock(&bp->hwrm_cmd_lock);
1290 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1291 if (!rc) {
1292 *entries = le32_to_cpu(output->entries);
1293 *length = le32_to_cpu(output->entry_length);
1294 }
1295 mutex_unlock(&bp->hwrm_cmd_lock);
1296 return rc;
1297 }
1298
1299 static int bnxt_get_eeprom_len(struct net_device *dev)
1300 {
1301 /* The -1 return value allows the entire 32-bit range of offsets to be
1302 * passed via the ethtool command-line utility.
1303 */
1304 return -1;
1305 }
1306
1307 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1308 {
1309 struct bnxt *bp = netdev_priv(dev);
1310 int rc;
1311 u32 dir_entries;
1312 u32 entry_length;
1313 u8 *buf;
1314 size_t buflen;
1315 dma_addr_t dma_handle;
1316 struct hwrm_nvm_get_dir_entries_input req = {0};
1317
1318 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1319 if (rc != 0)
1320 return rc;
1321
1322 /* Insert 2 bytes of directory info (count and size of entries) */
1323 if (len < 2)
1324 return -EINVAL;
1325
1326 *data++ = dir_entries;
1327 *data++ = entry_length;
1328 len -= 2;
1329 memset(data, 0xff, len);
1330
1331 buflen = dir_entries * entry_length;
1332 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1333 GFP_KERNEL);
1334 if (!buf) {
1335 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1336 (unsigned)buflen);
1337 return -ENOMEM;
1338 }
1339 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1340 req.host_dest_addr = cpu_to_le64(dma_handle);
1341 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1342 if (rc == 0)
1343 memcpy(data, buf, len > buflen ? buflen : len);
1344 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1345 return rc;
1346 }
1347
1348 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1349 u32 length, u8 *data)
1350 {
1351 struct bnxt *bp = netdev_priv(dev);
1352 int rc;
1353 u8 *buf;
1354 dma_addr_t dma_handle;
1355 struct hwrm_nvm_read_input req = {0};
1356
1357 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1358 GFP_KERNEL);
1359 if (!buf) {
1360 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1361 (unsigned)length);
1362 return -ENOMEM;
1363 }
1364 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1365 req.host_dest_addr = cpu_to_le64(dma_handle);
1366 req.dir_idx = cpu_to_le16(index);
1367 req.offset = cpu_to_le32(offset);
1368 req.len = cpu_to_le32(length);
1369
1370 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1371 if (rc == 0)
1372 memcpy(data, buf, length);
1373 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1374 return rc;
1375 }
1376
1377 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1378 u16 ext, u16 *index, u32 *item_length,
1379 u32 *data_length)
1380 {
1381 struct bnxt *bp = netdev_priv(dev);
1382 int rc;
1383 struct hwrm_nvm_find_dir_entry_input req = {0};
1384 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1385
1386 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1387 req.enables = 0;
1388 req.dir_idx = 0;
1389 req.dir_type = cpu_to_le16(type);
1390 req.dir_ordinal = cpu_to_le16(ordinal);
1391 req.dir_ext = cpu_to_le16(ext);
1392 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1393 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1394 if (rc == 0) {
1395 if (index)
1396 *index = le16_to_cpu(output->dir_idx);
1397 if (item_length)
1398 *item_length = le32_to_cpu(output->dir_item_length);
1399 if (data_length)
1400 *data_length = le32_to_cpu(output->dir_data_length);
1401 }
1402 return rc;
1403 }
1404
1405 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1406 {
1407 char *retval = NULL;
1408 char *p;
1409 char *value;
1410 int field = 0;
1411
1412 if (datalen < 1)
1413 return NULL;
1414 /* null-terminate the log data (removing last '\n'): */
1415 data[datalen - 1] = 0;
1416 for (p = data; *p != 0; p++) {
1417 field = 0;
1418 retval = NULL;
1419 while (*p != 0 && *p != '\n') {
1420 value = p;
1421 while (*p != 0 && *p != '\t' && *p != '\n')
1422 p++;
1423 if (field == desired_field)
1424 retval = value;
1425 if (*p != '\t')
1426 break;
1427 *p = 0;
1428 field++;
1429 p++;
1430 }
1431 if (*p == 0)
1432 break;
1433 *p = 0;
1434 }
1435 return retval;
1436 }
1437
1438 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1439 {
1440 u16 index = 0;
1441 u32 datalen;
1442
1443 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1444 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1445 &index, NULL, &datalen) != 0)
1446 return NULL;
1447
1448 memset(buf, 0, buflen);
1449 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1450 return NULL;
1451
1452 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1453 datalen);
1454 }
1455
1456 static int bnxt_get_eeprom(struct net_device *dev,
1457 struct ethtool_eeprom *eeprom,
1458 u8 *data)
1459 {
1460 u32 index;
1461 u32 offset;
1462
1463 if (eeprom->offset == 0) /* special offset value to get directory */
1464 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1465
1466 index = eeprom->offset >> 24;
1467 offset = eeprom->offset & 0xffffff;
1468
1469 if (index == 0) {
1470 netdev_err(dev, "unsupported index value: %d\n", index);
1471 return -EINVAL;
1472 }
1473
1474 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1475 }
1476
1477 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1478 {
1479 struct bnxt *bp = netdev_priv(dev);
1480 struct hwrm_nvm_erase_dir_entry_input req = {0};
1481
1482 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1483 req.dir_idx = cpu_to_le16(index);
1484 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1485 }
1486
1487 static int bnxt_set_eeprom(struct net_device *dev,
1488 struct ethtool_eeprom *eeprom,
1489 u8 *data)
1490 {
1491 struct bnxt *bp = netdev_priv(dev);
1492 u8 index, dir_op;
1493 u16 type, ext, ordinal, attr;
1494
1495 if (!BNXT_PF(bp)) {
1496 netdev_err(dev, "NVM write not supported from a virtual function\n");
1497 return -EINVAL;
1498 }
1499
1500 type = eeprom->magic >> 16;
1501
1502 if (type == 0xffff) { /* special value for directory operations */
1503 index = eeprom->magic & 0xff;
1504 dir_op = eeprom->magic >> 8;
1505 if (index == 0)
1506 return -EINVAL;
1507 switch (dir_op) {
1508 case 0x0e: /* erase */
1509 if (eeprom->offset != ~eeprom->magic)
1510 return -EINVAL;
1511 return bnxt_erase_nvram_directory(dev, index - 1);
1512 default:
1513 return -EINVAL;
1514 }
1515 }
1516
1517 /* Create or re-write an NVM item: */
1518 if (bnxt_dir_type_is_executable(type) == true)
1519 return -EINVAL;
1520 ext = eeprom->magic & 0xffff;
1521 ordinal = eeprom->offset >> 16;
1522 attr = eeprom->offset & 0xffff;
1523
1524 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1525 eeprom->len);
1526 }
1527
1528 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1529 {
1530 struct bnxt *bp = netdev_priv(dev);
1531 struct ethtool_eee *eee = &bp->eee;
1532 struct bnxt_link_info *link_info = &bp->link_info;
1533 u32 advertising =
1534 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1535 int rc = 0;
1536
1537 if (!BNXT_SINGLE_PF(bp))
1538 return -EOPNOTSUPP;
1539
1540 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1541 return -EOPNOTSUPP;
1542
1543 if (!edata->eee_enabled)
1544 goto eee_ok;
1545
1546 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1547 netdev_warn(dev, "EEE requires autoneg\n");
1548 return -EINVAL;
1549 }
1550 if (edata->tx_lpi_enabled) {
1551 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1552 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1553 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1554 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1555 return -EINVAL;
1556 } else if (!bp->lpi_tmr_hi) {
1557 edata->tx_lpi_timer = eee->tx_lpi_timer;
1558 }
1559 }
1560 if (!edata->advertised) {
1561 edata->advertised = advertising & eee->supported;
1562 } else if (edata->advertised & ~advertising) {
1563 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1564 edata->advertised, advertising);
1565 return -EINVAL;
1566 }
1567
1568 eee->advertised = edata->advertised;
1569 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1570 eee->tx_lpi_timer = edata->tx_lpi_timer;
1571 eee_ok:
1572 eee->eee_enabled = edata->eee_enabled;
1573
1574 if (netif_running(dev))
1575 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1576
1577 return rc;
1578 }
1579
1580 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1581 {
1582 struct bnxt *bp = netdev_priv(dev);
1583
1584 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1585 return -EOPNOTSUPP;
1586
1587 *edata = bp->eee;
1588 if (!bp->eee.eee_enabled) {
1589 /* Preserve tx_lpi_timer so that the last value will be used
1590 * by default when it is re-enabled.
1591 */
1592 edata->advertised = 0;
1593 edata->tx_lpi_enabled = 0;
1594 }
1595
1596 if (!bp->eee.eee_active)
1597 edata->lp_advertised = 0;
1598
1599 return 0;
1600 }
1601
1602 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
1603 u16 page_number, u16 start_addr,
1604 u16 data_length, u8 *buf)
1605 {
1606 struct hwrm_port_phy_i2c_read_input req = {0};
1607 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1608 int rc, byte_offset = 0;
1609
1610 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1611 req.i2c_slave_addr = i2c_addr;
1612 req.page_number = cpu_to_le16(page_number);
1613 req.port_id = cpu_to_le16(bp->pf.port_id);
1614 do {
1615 u16 xfer_size;
1616
1617 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
1618 data_length -= xfer_size;
1619 req.page_offset = cpu_to_le16(start_addr + byte_offset);
1620 req.data_length = xfer_size;
1621 req.enables = cpu_to_le32(start_addr + byte_offset ?
1622 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
1623 mutex_lock(&bp->hwrm_cmd_lock);
1624 rc = _hwrm_send_message(bp, &req, sizeof(req),
1625 HWRM_CMD_TIMEOUT);
1626 if (!rc)
1627 memcpy(buf + byte_offset, output->data, xfer_size);
1628 mutex_unlock(&bp->hwrm_cmd_lock);
1629 byte_offset += xfer_size;
1630 } while (!rc && data_length > 0);
1631
1632 return rc;
1633 }
1634
1635 static int bnxt_get_module_info(struct net_device *dev,
1636 struct ethtool_modinfo *modinfo)
1637 {
1638 struct bnxt *bp = netdev_priv(dev);
1639 struct hwrm_port_phy_i2c_read_input req = {0};
1640 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1641 int rc;
1642
1643 /* No point in going further if phy status indicates
1644 * module is not inserted or if it is powered down or
1645 * if it is of type 10GBase-T
1646 */
1647 if (bp->link_info.module_status >
1648 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
1649 return -EOPNOTSUPP;
1650
1651 /* This feature is not supported in older firmware versions */
1652 if (bp->hwrm_spec_code < 0x10202)
1653 return -EOPNOTSUPP;
1654
1655 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1656 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
1657 req.page_number = 0;
1658 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
1659 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
1660 req.port_id = cpu_to_le16(bp->pf.port_id);
1661 mutex_lock(&bp->hwrm_cmd_lock);
1662 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1663 if (!rc) {
1664 u32 module_id = le32_to_cpu(output->data[0]);
1665
1666 switch (module_id) {
1667 case SFF_MODULE_ID_SFP:
1668 modinfo->type = ETH_MODULE_SFF_8472;
1669 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1670 break;
1671 case SFF_MODULE_ID_QSFP:
1672 case SFF_MODULE_ID_QSFP_PLUS:
1673 modinfo->type = ETH_MODULE_SFF_8436;
1674 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
1675 break;
1676 case SFF_MODULE_ID_QSFP28:
1677 modinfo->type = ETH_MODULE_SFF_8636;
1678 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
1679 break;
1680 default:
1681 rc = -EOPNOTSUPP;
1682 break;
1683 }
1684 }
1685 mutex_unlock(&bp->hwrm_cmd_lock);
1686 return rc;
1687 }
1688
1689 static int bnxt_get_module_eeprom(struct net_device *dev,
1690 struct ethtool_eeprom *eeprom,
1691 u8 *data)
1692 {
1693 struct bnxt *bp = netdev_priv(dev);
1694 u16 start = eeprom->offset, length = eeprom->len;
1695 int rc;
1696
1697 memset(data, 0, eeprom->len);
1698
1699 /* Read A0 portion of the EEPROM */
1700 if (start < ETH_MODULE_SFF_8436_LEN) {
1701 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
1702 length = ETH_MODULE_SFF_8436_LEN - start;
1703 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
1704 start, length, data);
1705 if (rc)
1706 return rc;
1707 start += length;
1708 data += length;
1709 length = eeprom->len - length;
1710 }
1711
1712 /* Read A2 portion of the EEPROM */
1713 if (length) {
1714 start -= ETH_MODULE_SFF_8436_LEN;
1715 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
1716 length, data);
1717 }
1718 return rc;
1719 }
1720
1721 const struct ethtool_ops bnxt_ethtool_ops = {
1722 .get_link_ksettings = bnxt_get_link_ksettings,
1723 .set_link_ksettings = bnxt_set_link_ksettings,
1724 .get_pauseparam = bnxt_get_pauseparam,
1725 .set_pauseparam = bnxt_set_pauseparam,
1726 .get_drvinfo = bnxt_get_drvinfo,
1727 .get_coalesce = bnxt_get_coalesce,
1728 .set_coalesce = bnxt_set_coalesce,
1729 .get_msglevel = bnxt_get_msglevel,
1730 .set_msglevel = bnxt_set_msglevel,
1731 .get_sset_count = bnxt_get_sset_count,
1732 .get_strings = bnxt_get_strings,
1733 .get_ethtool_stats = bnxt_get_ethtool_stats,
1734 .set_ringparam = bnxt_set_ringparam,
1735 .get_ringparam = bnxt_get_ringparam,
1736 .get_channels = bnxt_get_channels,
1737 .set_channels = bnxt_set_channels,
1738 #ifdef CONFIG_RFS_ACCEL
1739 .get_rxnfc = bnxt_get_rxnfc,
1740 #endif
1741 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
1742 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
1743 .get_rxfh = bnxt_get_rxfh,
1744 .flash_device = bnxt_flash_device,
1745 .get_eeprom_len = bnxt_get_eeprom_len,
1746 .get_eeprom = bnxt_get_eeprom,
1747 .set_eeprom = bnxt_set_eeprom,
1748 .get_link = bnxt_get_link,
1749 .get_eee = bnxt_get_eee,
1750 .set_eee = bnxt_set_eee,
1751 .get_module_info = bnxt_get_module_info,
1752 .get_module_eeprom = bnxt_get_module_eeprom,
1753 };
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