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bnxt_en: Refactor _hwrm_send_message().
[deliverable/linux.git] / drivers / net / ethernet / broadcom / bnxt / bnxt_ethtool.c
CommitLineData
c0c050c5
MC		 1/* Broadcom NetXtreme-C/E network driver.
2 *
3 * Copyright (c) 2014-2015 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
3ebf6f0a 10#include <linux/ctype.h>
c0c050c5
MC		 11#include <linux/ethtool.h>
12#include <linux/interrupt.h>
13#include <linux/pci.h>
14#include <linux/etherdevice.h>
15#include <linux/crc32.h>
16#include <linux/firmware.h>
17#include "bnxt_hsi.h"
18#include "bnxt.h"
19#include "bnxt_ethtool.h"
20#include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
21#include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
22#define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
23
3ebf6f0a
RS		 24static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
25
c0c050c5
MC		 26static u32 bnxt_get_msglevel(struct net_device *dev)
27{
28 struct bnxt *bp = netdev_priv(dev);
29
30 return bp->msg_enable;
31}
32
33static void bnxt_set_msglevel(struct net_device *dev, u32 value)
34{
35 struct bnxt *bp = netdev_priv(dev);
36
37 bp->msg_enable = value;
38}
39
40static int bnxt_get_coalesce(struct net_device *dev,
41 struct ethtool_coalesce *coal)
42{
43 struct bnxt *bp = netdev_priv(dev);
44
45 memset(coal, 0, sizeof(*coal));
46
dfb5b894
MC		 47 coal->rx_coalesce_usecs = bp->rx_coal_ticks;
48 /* 2 completion records per rx packet */
49 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
50 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
51 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
c0c050c5 52
dfc9c94a
MC		 53 coal->tx_coalesce_usecs = bp->tx_coal_ticks;
54 coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
55 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
56 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
57
c0c050c5
MC		 58 return 0;
59}
60
61static int bnxt_set_coalesce(struct net_device *dev,
62 struct ethtool_coalesce *coal)
63{
64 struct bnxt *bp = netdev_priv(dev);
65 int rc = 0;
66
dfb5b894
MC		 67 bp->rx_coal_ticks = coal->rx_coalesce_usecs;
68 /* 2 completion records per rx packet */
69 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
70 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
71 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
c0c050c5 72
dfc9c94a
MC		 73 bp->tx_coal_ticks = coal->tx_coalesce_usecs;
74 bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
75 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
76 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
77
c0c050c5
MC		 78 if (netif_running(dev))
79 rc = bnxt_hwrm_set_coal(bp);
80
81 return rc;
82}
83
84#define BNXT_NUM_STATS 21
85
86static int bnxt_get_sset_count(struct net_device *dev, int sset)
87{
88 struct bnxt *bp = netdev_priv(dev);
89
90 switch (sset) {
91 case ETH_SS_STATS:
92 return BNXT_NUM_STATS * bp->cp_nr_rings;
93 default:
94 return -EOPNOTSUPP;
95 }
96}
97
98static void bnxt_get_ethtool_stats(struct net_device *dev,
99 struct ethtool_stats *stats, u64 *buf)
100{
101 u32 i, j = 0;
102 struct bnxt *bp = netdev_priv(dev);
103 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
104 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
105
106 memset(buf, 0, buf_size);
107
108 if (!bp->bnapi)
109 return;
110
111 for (i = 0; i < bp->cp_nr_rings; i++) {
112 struct bnxt_napi *bnapi = bp->bnapi[i];
113 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
114 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
115 int k;
116
117 for (k = 0; k < stat_fields; j++, k++)
118 buf[j] = le64_to_cpu(hw_stats[k]);
119 buf[j++] = cpr->rx_l4_csum_errors;
120 }
121}
122
123static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
124{
125 struct bnxt *bp = netdev_priv(dev);
126 u32 i;
127
128 switch (stringset) {
129 /* The number of strings must match BNXT_NUM_STATS defined above. */
130 case ETH_SS_STATS:
131 for (i = 0; i < bp->cp_nr_rings; i++) {
132 sprintf(buf, "[%d]: rx_ucast_packets", i);
133 buf += ETH_GSTRING_LEN;
134 sprintf(buf, "[%d]: rx_mcast_packets", i);
135 buf += ETH_GSTRING_LEN;
136 sprintf(buf, "[%d]: rx_bcast_packets", i);
137 buf += ETH_GSTRING_LEN;
138 sprintf(buf, "[%d]: rx_discards", i);
139 buf += ETH_GSTRING_LEN;
140 sprintf(buf, "[%d]: rx_drops", i);
141 buf += ETH_GSTRING_LEN;
142 sprintf(buf, "[%d]: rx_ucast_bytes", i);
143 buf += ETH_GSTRING_LEN;
144 sprintf(buf, "[%d]: rx_mcast_bytes", i);
145 buf += ETH_GSTRING_LEN;
146 sprintf(buf, "[%d]: rx_bcast_bytes", i);
147 buf += ETH_GSTRING_LEN;
148 sprintf(buf, "[%d]: tx_ucast_packets", i);
149 buf += ETH_GSTRING_LEN;
150 sprintf(buf, "[%d]: tx_mcast_packets", i);
151 buf += ETH_GSTRING_LEN;
152 sprintf(buf, "[%d]: tx_bcast_packets", i);
153 buf += ETH_GSTRING_LEN;
154 sprintf(buf, "[%d]: tx_discards", i);
155 buf += ETH_GSTRING_LEN;
156 sprintf(buf, "[%d]: tx_drops", i);
157 buf += ETH_GSTRING_LEN;
158 sprintf(buf, "[%d]: tx_ucast_bytes", i);
159 buf += ETH_GSTRING_LEN;
160 sprintf(buf, "[%d]: tx_mcast_bytes", i);
161 buf += ETH_GSTRING_LEN;
162 sprintf(buf, "[%d]: tx_bcast_bytes", i);
163 buf += ETH_GSTRING_LEN;
164 sprintf(buf, "[%d]: tpa_packets", i);
165 buf += ETH_GSTRING_LEN;
166 sprintf(buf, "[%d]: tpa_bytes", i);
167 buf += ETH_GSTRING_LEN;
168 sprintf(buf, "[%d]: tpa_events", i);
169 buf += ETH_GSTRING_LEN;
170 sprintf(buf, "[%d]: tpa_aborts", i);
171 buf += ETH_GSTRING_LEN;
172 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
173 buf += ETH_GSTRING_LEN;
174 }
175 break;
176 default:
177 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
178 stringset);
179 break;
180 }
181}
182
183static void bnxt_get_ringparam(struct net_device *dev,
184 struct ethtool_ringparam *ering)
185{
186 struct bnxt *bp = netdev_priv(dev);
187
188 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
189 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
190 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
191
192 ering->rx_pending = bp->rx_ring_size;
193 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
194 ering->tx_pending = bp->tx_ring_size;
195}
196
197static int bnxt_set_ringparam(struct net_device *dev,
198 struct ethtool_ringparam *ering)
199{
200 struct bnxt *bp = netdev_priv(dev);
201
202 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
203 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
204 (ering->tx_pending <= MAX_SKB_FRAGS))
205 return -EINVAL;
206
207 if (netif_running(dev))
208 bnxt_close_nic(bp, false, false);
209
210 bp->rx_ring_size = ering->rx_pending;
211 bp->tx_ring_size = ering->tx_pending;
212 bnxt_set_ring_params(bp);
213
214 if (netif_running(dev))
215 return bnxt_open_nic(bp, false, false);
216
217 return 0;
218}
219
220static void bnxt_get_channels(struct net_device *dev,
221 struct ethtool_channels *channel)
222{
223 struct bnxt *bp = netdev_priv(dev);
224 int max_rx_rings, max_tx_rings, tcs;
225
6e6c5a57 226 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
068c9ec6
MC		 227 channel->max_combined = max_rx_rings;
228
229 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false);
c0c050c5
MC		 230 tcs = netdev_get_num_tc(dev);
231 if (tcs > 1)
232 max_tx_rings /= tcs;
233
234 channel->max_rx = max_rx_rings;
235 channel->max_tx = max_tx_rings;
236 channel->max_other = 0;
068c9ec6
MC		 237 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
238 channel->combined_count = bp->rx_nr_rings;
239 } else {
240 channel->rx_count = bp->rx_nr_rings;
241 channel->tx_count = bp->tx_nr_rings_per_tc;
242 }
c0c050c5
MC		 243}
244
245static int bnxt_set_channels(struct net_device *dev,
246 struct ethtool_channels *channel)
247{
248 struct bnxt *bp = netdev_priv(dev);
249 int max_rx_rings, max_tx_rings, tcs;
250 u32 rc = 0;
068c9ec6 251 bool sh = false;
c0c050c5 252
068c9ec6 253 if (channel->other_count)
c0c050c5
MC		 254 return -EINVAL;
255
068c9ec6
MC		 256 if (!channel->combined_count &&
257 (!channel->rx_count || !channel->tx_count))
258 return -EINVAL;
259
260 if (channel->combined_count &&
261 (channel->rx_count || channel->tx_count))
262 return -EINVAL;
263
264 if (channel->combined_count)
265 sh = true;
266
267 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
268
c0c050c5
MC		 269 tcs = netdev_get_num_tc(dev);
270 if (tcs > 1)
271 max_tx_rings /= tcs;
272
068c9ec6
MC		 273 if (sh && (channel->combined_count > max_rx_rings ||
274 channel->combined_count > max_tx_rings))
275 return -ENOMEM;
276
277 if (!sh && (channel->rx_count > max_rx_rings ||
278 channel->tx_count > max_tx_rings))
279 return -ENOMEM;
c0c050c5
MC		 280
281 if (netif_running(dev)) {
282 if (BNXT_PF(bp)) {
283 /* TODO CHIMP_FW: Send message to all VF's
284 * before PF unload
285 */
286 }
287 rc = bnxt_close_nic(bp, true, false);
288 if (rc) {
289 netdev_err(bp->dev, "Set channel failure rc :%x\n",
290 rc);
291 return rc;
292 }
293 }
294
068c9ec6
MC		 295 if (sh) {
296 bp->flags |= BNXT_FLAG_SHARED_RINGS;
297 bp->rx_nr_rings = channel->combined_count;
298 bp->tx_nr_rings_per_tc = channel->combined_count;
299 } else {
300 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
301 bp->rx_nr_rings = channel->rx_count;
302 bp->tx_nr_rings_per_tc = channel->tx_count;
303 }
304
c0c050c5
MC		 305 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
306 if (tcs > 1)
307 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
068c9ec6
MC		 308
309 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
310 bp->tx_nr_rings + bp->rx_nr_rings;
311
c0c050c5
MC		 312 bp->num_stat_ctxs = bp->cp_nr_rings;
313
2bcfa6f6
MC		 314 /* After changing number of rx channels, update NTUPLE feature. */
315 netdev_update_features(dev);
c0c050c5
MC		 316 if (netif_running(dev)) {
317 rc = bnxt_open_nic(bp, true, false);
318 if ((!rc) && BNXT_PF(bp)) {
319 /* TODO CHIMP_FW: Send message to all VF's
320 * to renable
321 */
322 }
323 }
324
325 return rc;
326}
327
328#ifdef CONFIG_RFS_ACCEL
329static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
330 u32 *rule_locs)
331{
332 int i, j = 0;
333
334 cmd->data = bp->ntp_fltr_count;
335 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
336 struct hlist_head *head;
337 struct bnxt_ntuple_filter *fltr;
338
339 head = &bp->ntp_fltr_hash_tbl[i];
340 rcu_read_lock();
341 hlist_for_each_entry_rcu(fltr, head, hash) {
342 if (j == cmd->rule_cnt)
343 break;
344 rule_locs[j++] = fltr->sw_id;
345 }
346 rcu_read_unlock();
347 if (j == cmd->rule_cnt)
348 break;
349 }
350 cmd->rule_cnt = j;
351 return 0;
352}
353
354static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
355{
356 struct ethtool_rx_flow_spec *fs =
357 (struct ethtool_rx_flow_spec *)&cmd->fs;
358 struct bnxt_ntuple_filter *fltr;
359 struct flow_keys *fkeys;
360 int i, rc = -EINVAL;
361
362 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
363 return rc;
364
365 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
366 struct hlist_head *head;
367
368 head = &bp->ntp_fltr_hash_tbl[i];
369 rcu_read_lock();
370 hlist_for_each_entry_rcu(fltr, head, hash) {
371 if (fltr->sw_id == fs->location)
372 goto fltr_found;
373 }
374 rcu_read_unlock();
375 }
376 return rc;
377
378fltr_found:
379 fkeys = &fltr->fkeys;
380 if (fkeys->basic.ip_proto == IPPROTO_TCP)
381 fs->flow_type = TCP_V4_FLOW;
382 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
383 fs->flow_type = UDP_V4_FLOW;
384 else
385 goto fltr_err;
386
387 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
388 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
389
390 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
391 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
392
393 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
394 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
395
396 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
397 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
398
399 fs->ring_cookie = fltr->rxq;
400 rc = 0;
401
402fltr_err:
403 rcu_read_unlock();
404
405 return rc;
406}
407
408static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
409 u32 *rule_locs)
410{
411 struct bnxt *bp = netdev_priv(dev);
412 int rc = 0;
413
414 switch (cmd->cmd) {
415 case ETHTOOL_GRXRINGS:
416 cmd->data = bp->rx_nr_rings;
417 break;
418
419 case ETHTOOL_GRXCLSRLCNT:
420 cmd->rule_cnt = bp->ntp_fltr_count;
421 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
422 break;
423
424 case ETHTOOL_GRXCLSRLALL:
425 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
426 break;
427
428 case ETHTOOL_GRXCLSRULE:
429 rc = bnxt_grxclsrule(bp, cmd);
430 break;
431
432 default:
433 rc = -EOPNOTSUPP;
434 break;
435 }
436
437 return rc;
438}
439#endif
440
441static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
442{
443 return HW_HASH_INDEX_SIZE;
444}
445
446static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
447{
448 return HW_HASH_KEY_SIZE;
449}
450
451static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
452 u8 *hfunc)
453{
454 struct bnxt *bp = netdev_priv(dev);
455 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
456 int i = 0;
457
458 if (hfunc)
459 *hfunc = ETH_RSS_HASH_TOP;
460
461 if (indir)
462 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
463 indir[i] = le16_to_cpu(vnic->rss_table[i]);
464
465 if (key)
466 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
467
468 return 0;
469}
470
471static void bnxt_get_drvinfo(struct net_device *dev,
472 struct ethtool_drvinfo *info)
473{
474 struct bnxt *bp = netdev_priv(dev);
3ebf6f0a
RS		 475 char *pkglog;
476 char *pkgver = NULL;
c0c050c5 477
3ebf6f0a
RS		 478 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
479 if (pkglog)
480 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
c0c050c5
MC		 481 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
482 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
3ebf6f0a
RS		 483 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
484 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
485 "%s pkg %s", bp->fw_ver_str, pkgver);
486 else
487 strlcpy(info->fw_version, bp->fw_ver_str,
488 sizeof(info->fw_version));
c0c050c5
MC		 489 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
490 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
491 info->testinfo_len = BNXT_NUM_TESTS(bp);
492 /* TODO CHIMP_FW: eeprom dump details */
493 info->eedump_len = 0;
494 /* TODO CHIMP FW: reg dump details */
495 info->regdump_len = 0;
3ebf6f0a 496 kfree(pkglog);
c0c050c5
MC		 497}
498
499static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
500{
501 u16 fw_speeds = link_info->support_speeds;
502 u32 speed_mask = 0;
503
504 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
505 speed_mask |= SUPPORTED_100baseT_Full;
506 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
507 speed_mask |= SUPPORTED_1000baseT_Full;
508 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
509 speed_mask |= SUPPORTED_2500baseX_Full;
510 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
511 speed_mask |= SUPPORTED_10000baseT_Full;
c0c050c5 512 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1c49c421 513 speed_mask |= SUPPORTED_40000baseCR4_Full;
c0c050c5
MC		 514
515 return speed_mask;
516}
517
518static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
519{
520 u16 fw_speeds = link_info->auto_link_speeds;
521 u32 speed_mask = 0;
522
523 /* TODO: support 25GB, 40GB, 50GB with different cable type */
524 /* set the advertised speeds */
525 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
526 speed_mask |= ADVERTISED_100baseT_Full;
527 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
528 speed_mask |= ADVERTISED_1000baseT_Full;
529 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
530 speed_mask |= ADVERTISED_2500baseX_Full;
531 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
532 speed_mask |= ADVERTISED_10000baseT_Full;
c0c050c5 533 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1c49c421 534 speed_mask |= ADVERTISED_40000baseCR4_Full;
c0c050c5
MC		 535 return speed_mask;
536}
537
538u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
539{
540 switch (fw_link_speed) {
541 case BNXT_LINK_SPEED_100MB:
542 return SPEED_100;
543 case BNXT_LINK_SPEED_1GB:
544 return SPEED_1000;
545 case BNXT_LINK_SPEED_2_5GB:
546 return SPEED_2500;
547 case BNXT_LINK_SPEED_10GB:
548 return SPEED_10000;
549 case BNXT_LINK_SPEED_20GB:
550 return SPEED_20000;
551 case BNXT_LINK_SPEED_25GB:
552 return SPEED_25000;
553 case BNXT_LINK_SPEED_40GB:
554 return SPEED_40000;
555 case BNXT_LINK_SPEED_50GB:
556 return SPEED_50000;
557 default:
558 return SPEED_UNKNOWN;
559 }
560}
561
562static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
563{
564 struct bnxt *bp = netdev_priv(dev);
565 struct bnxt_link_info *link_info = &bp->link_info;
566 u16 ethtool_speed;
567
568 cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info);
0d8abf02 569 cmd->supported |= SUPPORTED_Pause | SUPPORTED_Asym_Pause;
c0c050c5
MC		 570
571 if (link_info->auto_link_speeds)
572 cmd->supported |= SUPPORTED_Autoneg;
573
b763499e 574 if (link_info->autoneg) {
c0c050c5
MC		 575 cmd->advertising =
576 bnxt_fw_to_ethtool_advertised_spds(link_info);
577 cmd->advertising |= ADVERTISED_Autoneg;
578 cmd->autoneg = AUTONEG_ENABLE;
579 } else {
580 cmd->autoneg = AUTONEG_DISABLE;
581 cmd->advertising = 0;
582 }
0d8abf02 583 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL) {
c0c050c5
MC		 584 if ((link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) ==
585 BNXT_LINK_PAUSE_BOTH) {
586 cmd->advertising |= ADVERTISED_Pause;
c0c050c5
MC		 587 } else {
588 cmd->advertising |= ADVERTISED_Asym_Pause;
c0c050c5
MC		 589 if (link_info->auto_pause_setting &
590 BNXT_LINK_PAUSE_RX)
591 cmd->advertising |= ADVERTISED_Pause;
592 }
c0c050c5
MC		 593 }
594
595 cmd->port = PORT_NONE;
596 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
597 cmd->port = PORT_TP;
598 cmd->supported |= SUPPORTED_TP;
599 cmd->advertising |= ADVERTISED_TP;
600 } else {
601 cmd->supported |= SUPPORTED_FIBRE;
602 cmd->advertising |= ADVERTISED_FIBRE;
603
604 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
605 cmd->port = PORT_DA;
606 else if (link_info->media_type ==
607 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
608 cmd->port = PORT_FIBRE;
609 }
610
611 if (link_info->phy_link_status == BNXT_LINK_LINK) {
612 if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
613 cmd->duplex = DUPLEX_FULL;
614 } else {
615 cmd->duplex = DUPLEX_UNKNOWN;
616 }
617 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
618 ethtool_cmd_speed_set(cmd, ethtool_speed);
619 if (link_info->transceiver ==
620 PORT_PHY_QCFG_RESP_TRANSCEIVER_TYPE_XCVR_INTERNAL)
621 cmd->transceiver = XCVR_INTERNAL;
622 else
623 cmd->transceiver = XCVR_EXTERNAL;
624 cmd->phy_address = link_info->phy_addr;
625
626 return 0;
627}
628
629static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
630{
631 switch (ethtool_speed) {
632 case SPEED_100:
633 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
634 case SPEED_1000:
635 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
636 case SPEED_2500:
637 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
638 case SPEED_10000:
639 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
640 case SPEED_20000:
641 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
642 case SPEED_25000:
643 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
644 case SPEED_40000:
645 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
646 case SPEED_50000:
647 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
648 default:
649 netdev_err(dev, "unsupported speed!\n");
650 break;
651 }
652 return 0;
653}
654
655static u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
656{
657 u16 fw_speed_mask = 0;
658
659 /* only support autoneg at speed 100, 1000, and 10000 */
660 if (advertising & (ADVERTISED_100baseT_Full |
661 ADVERTISED_100baseT_Half)) {
662 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
663 }
664 if (advertising & (ADVERTISED_1000baseT_Full |
665 ADVERTISED_1000baseT_Half)) {
666 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
667 }
668 if (advertising & ADVERTISED_10000baseT_Full)
669 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
670
1c49c421
MC		 671 if (advertising & ADVERTISED_40000baseCR4_Full)
672 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
673
c0c050c5
MC		 674 return fw_speed_mask;
675}
676
677static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
678{
679 int rc = 0;
680 struct bnxt *bp = netdev_priv(dev);
681 struct bnxt_link_info *link_info = &bp->link_info;
682 u32 speed, fw_advertising = 0;
683 bool set_pause = false;
684
685 if (BNXT_VF(bp))
686 return rc;
687
688 if (cmd->autoneg == AUTONEG_ENABLE) {
689 if (link_info->media_type != PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
690 netdev_err(dev, "Media type doesn't support autoneg\n");
691 rc = -EINVAL;
692 goto set_setting_exit;
693 }
694 if (cmd->advertising & ~(BNXT_ALL_COPPER_ETHTOOL_SPEED |
695 ADVERTISED_Autoneg |
696 ADVERTISED_TP |
697 ADVERTISED_Pause |
698 ADVERTISED_Asym_Pause)) {
699 netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n",
700 cmd->advertising);
701 rc = -EINVAL;
702 goto set_setting_exit;
703 }
704 fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising);
705 if (fw_advertising & ~link_info->support_speeds) {
706 netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n",
707 cmd->advertising);
708 rc = -EINVAL;
709 goto set_setting_exit;
710 }
711 link_info->autoneg |= BNXT_AUTONEG_SPEED;
712 if (!fw_advertising)
713 link_info->advertising = link_info->support_speeds;
714 else
715 link_info->advertising = fw_advertising;
716 /* any change to autoneg will cause link change, therefore the
717 * driver should put back the original pause setting in autoneg
718 */
719 set_pause = true;
720 } else {
721 /* TODO: currently don't support half duplex */
722 if (cmd->duplex == DUPLEX_HALF) {
723 netdev_err(dev, "HALF DUPLEX is not supported!\n");
724 rc = -EINVAL;
725 goto set_setting_exit;
726 }
727 /* If received a request for an unknown duplex, assume full*/
728 if (cmd->duplex == DUPLEX_UNKNOWN)
729 cmd->duplex = DUPLEX_FULL;
730 speed = ethtool_cmd_speed(cmd);
731 link_info->req_link_speed = bnxt_get_fw_speed(dev, speed);
732 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
b763499e 733 link_info->autoneg = 0;
c0c050c5
MC		 734 link_info->advertising = 0;
735 }
736
737 if (netif_running(dev))
738 rc = bnxt_hwrm_set_link_setting(bp, set_pause);
739
740set_setting_exit:
741 return rc;
742}
743
744static void bnxt_get_pauseparam(struct net_device *dev,
745 struct ethtool_pauseparam *epause)
746{
747 struct bnxt *bp = netdev_priv(dev);
748 struct bnxt_link_info *link_info = &bp->link_info;
749
750 if (BNXT_VF(bp))
751 return;
b763499e 752 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
c0c050c5
MC		 753 epause->rx_pause = ((link_info->pause & BNXT_LINK_PAUSE_RX) != 0);
754 epause->tx_pause = ((link_info->pause & BNXT_LINK_PAUSE_TX) != 0);
755}
756
757static int bnxt_set_pauseparam(struct net_device *dev,
758 struct ethtool_pauseparam *epause)
759{
760 int rc = 0;
761 struct bnxt *bp = netdev_priv(dev);
762 struct bnxt_link_info *link_info = &bp->link_info;
763
764 if (BNXT_VF(bp))
765 return rc;
766
767 if (epause->autoneg) {
b763499e
MC		 768 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
769 return -EINVAL;
770
c0c050c5
MC		 771 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
772 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH;
773 } else {
774 /* when transition from auto pause to force pause,
775 * force a link change
776 */
777 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
778 link_info->force_link_chng = true;
779 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
780 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_BOTH;
781 }
782 if (epause->rx_pause)
783 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
784 else
785 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_RX;
786
787 if (epause->tx_pause)
788 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
789 else
790 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_TX;
791
792 if (netif_running(dev))
793 rc = bnxt_hwrm_set_pause(bp);
794 return rc;
795}
796
797static u32 bnxt_get_link(struct net_device *dev)
798{
799 struct bnxt *bp = netdev_priv(dev);
800
801 /* TODO: handle MF, VF, driver close case */
802 return bp->link_info.link_up;
803}
804
805static int bnxt_flash_nvram(struct net_device *dev,
806 u16 dir_type,
807 u16 dir_ordinal,
808 u16 dir_ext,
809 u16 dir_attr,
810 const u8 *data,
811 size_t data_len)
812{
813 struct bnxt *bp = netdev_priv(dev);
814 int rc;
815 struct hwrm_nvm_write_input req = {0};
816 dma_addr_t dma_handle;
817 u8 *kmem;
818
819 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
820
821 req.dir_type = cpu_to_le16(dir_type);
822 req.dir_ordinal = cpu_to_le16(dir_ordinal);
823 req.dir_ext = cpu_to_le16(dir_ext);
824 req.dir_attr = cpu_to_le16(dir_attr);
825 req.dir_data_length = cpu_to_le32(data_len);
826
827 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
828 GFP_KERNEL);
829 if (!kmem) {
830 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
831 (unsigned)data_len);
832 return -ENOMEM;
833 }
834 memcpy(kmem, data, data_len);
835 req.host_src_addr = cpu_to_le64(dma_handle);
836
837 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
838 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
839
840 return rc;
841}
842
d2d6318c
RS		 843static int bnxt_firmware_reset(struct net_device *dev,
844 u16 dir_type)
845{
846 struct bnxt *bp = netdev_priv(dev);
847 struct hwrm_fw_reset_input req = {0};
848
849 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
850
851 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
852 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
853 /* (e.g. when firmware isn't already running) */
854 switch (dir_type) {
855 case BNX_DIR_TYPE_CHIMP_PATCH:
856 case BNX_DIR_TYPE_BOOTCODE:
857 case BNX_DIR_TYPE_BOOTCODE_2:
858 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
859 /* Self-reset ChiMP upon next PCIe reset: */
860 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
861 break;
862 case BNX_DIR_TYPE_APE_FW:
863 case BNX_DIR_TYPE_APE_PATCH:
864 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
865 break;
866 case BNX_DIR_TYPE_KONG_FW:
867 case BNX_DIR_TYPE_KONG_PATCH:
868 req.embedded_proc_type =
869 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
870 break;
871 case BNX_DIR_TYPE_BONO_FW:
872 case BNX_DIR_TYPE_BONO_PATCH:
873 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
874 break;
875 default:
876 return -EINVAL;
877 }
878
879 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
880}
881
c0c050c5
MC		 882static int bnxt_flash_firmware(struct net_device *dev,
883 u16 dir_type,
884 const u8 *fw_data,
885 size_t fw_size)
886{
887 int rc = 0;
888 u16 code_type;
889 u32 stored_crc;
890 u32 calculated_crc;
891 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
892
893 switch (dir_type) {
894 case BNX_DIR_TYPE_BOOTCODE:
895 case BNX_DIR_TYPE_BOOTCODE_2:
896 code_type = CODE_BOOT;
897 break;
2731d70f
RS		 898 case BNX_DIR_TYPE_APE_FW:
899 code_type = CODE_MCTP_PASSTHRU;
900 break;
c0c050c5
MC		 901 default:
902 netdev_err(dev, "Unsupported directory entry type: %u\n",
903 dir_type);
904 return -EINVAL;
905 }
906 if (fw_size < sizeof(struct bnxt_fw_header)) {
907 netdev_err(dev, "Invalid firmware file size: %u\n",
908 (unsigned int)fw_size);
909 return -EINVAL;
910 }
911 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
912 netdev_err(dev, "Invalid firmware signature: %08X\n",
913 le32_to_cpu(header->signature));
914 return -EINVAL;
915 }
916 if (header->code_type != code_type) {
917 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
918 code_type, header->code_type);
919 return -EINVAL;
920 }
921 if (header->device != DEVICE_CUMULUS_FAMILY) {
922 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
923 DEVICE_CUMULUS_FAMILY, header->device);
924 return -EINVAL;
925 }
926 /* Confirm the CRC32 checksum of the file: */
927 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
928 sizeof(stored_crc)));
929 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
930 if (calculated_crc != stored_crc) {
931 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
932 (unsigned long)stored_crc,
933 (unsigned long)calculated_crc);
934 return -EINVAL;
935 }
936 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
937 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
938 0, 0, fw_data, fw_size);
d2d6318c
RS		 939 if (rc == 0) /* Firmware update successful */
940 rc = bnxt_firmware_reset(dev, dir_type);
941
c0c050c5
MC		 942 return rc;
943}
944
945static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
946{
947 switch (dir_type) {
948 case BNX_DIR_TYPE_CHIMP_PATCH:
949 case BNX_DIR_TYPE_BOOTCODE:
950 case BNX_DIR_TYPE_BOOTCODE_2:
951 case BNX_DIR_TYPE_APE_FW:
952 case BNX_DIR_TYPE_APE_PATCH:
953 case BNX_DIR_TYPE_KONG_FW:
954 case BNX_DIR_TYPE_KONG_PATCH:
955 return true;
956 }
957
958 return false;
959}
960
961static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
962{
963 switch (dir_type) {
964 case BNX_DIR_TYPE_AVS:
965 case BNX_DIR_TYPE_EXP_ROM_MBA:
966 case BNX_DIR_TYPE_PCIE:
967 case BNX_DIR_TYPE_TSCF_UCODE:
968 case BNX_DIR_TYPE_EXT_PHY:
969 case BNX_DIR_TYPE_CCM:
970 case BNX_DIR_TYPE_ISCSI_BOOT:
971 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
972 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
973 return true;
974 }
975
976 return false;
977}
978
979static bool bnxt_dir_type_is_executable(u16 dir_type)
980{
981 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
982 bnxt_dir_type_is_unprotected_exec_format(dir_type);
983}
984
985static int bnxt_flash_firmware_from_file(struct net_device *dev,
986 u16 dir_type,
987 const char *filename)
988{
989 const struct firmware *fw;
990 int rc;
991
992 if (bnxt_dir_type_is_executable(dir_type) == false)
993 return -EINVAL;
994
995 rc = request_firmware(&fw, filename, &dev->dev);
996 if (rc != 0) {
997 netdev_err(dev, "Error %d requesting firmware file: %s\n",
998 rc, filename);
999 return rc;
1000 }
1001 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1002 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1003 else
1004 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1005 0, 0, fw->data, fw->size);
1006 release_firmware(fw);
1007 return rc;
1008}
1009
1010static int bnxt_flash_package_from_file(struct net_device *dev,
1011 char *filename)
1012{
1013 netdev_err(dev, "packages are not yet supported\n");
1014 return -EINVAL;
1015}
1016
1017static int bnxt_flash_device(struct net_device *dev,
1018 struct ethtool_flash *flash)
1019{
1020 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1021 netdev_err(dev, "flashdev not supported from a virtual function\n");
1022 return -EINVAL;
1023 }
1024
1025 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1026 return bnxt_flash_package_from_file(dev, flash->data);
1027
1028 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1029}
1030
1031static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1032{
1033 struct bnxt *bp = netdev_priv(dev);
1034 int rc;
1035 struct hwrm_nvm_get_dir_info_input req = {0};
1036 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1037
1038 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1039
1040 mutex_lock(&bp->hwrm_cmd_lock);
1041 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1042 if (!rc) {
1043 *entries = le32_to_cpu(output->entries);
1044 *length = le32_to_cpu(output->entry_length);
1045 }
1046 mutex_unlock(&bp->hwrm_cmd_lock);
1047 return rc;
1048}
1049
1050static int bnxt_get_eeprom_len(struct net_device *dev)
1051{
1052 /* The -1 return value allows the entire 32-bit range of offsets to be
1053 * passed via the ethtool command-line utility.
1054 */
1055 return -1;
1056}
1057
1058static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1059{
1060 struct bnxt *bp = netdev_priv(dev);
1061 int rc;
1062 u32 dir_entries;
1063 u32 entry_length;
1064 u8 *buf;
1065 size_t buflen;
1066 dma_addr_t dma_handle;
1067 struct hwrm_nvm_get_dir_entries_input req = {0};
1068
1069 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1070 if (rc != 0)
1071 return rc;
1072
1073 /* Insert 2 bytes of directory info (count and size of entries) */
1074 if (len < 2)
1075 return -EINVAL;
1076
1077 *data++ = dir_entries;
1078 *data++ = entry_length;
1079 len -= 2;
1080 memset(data, 0xff, len);
1081
1082 buflen = dir_entries * entry_length;
1083 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1084 GFP_KERNEL);
1085 if (!buf) {
1086 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1087 (unsigned)buflen);
1088 return -ENOMEM;
1089 }
1090 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1091 req.host_dest_addr = cpu_to_le64(dma_handle);
1092 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1093 if (rc == 0)
1094 memcpy(data, buf, len > buflen ? buflen : len);
1095 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1096 return rc;
1097}
1098
1099static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1100 u32 length, u8 *data)
1101{
1102 struct bnxt *bp = netdev_priv(dev);
1103 int rc;
1104 u8 *buf;
1105 dma_addr_t dma_handle;
1106 struct hwrm_nvm_read_input req = {0};
1107
1108 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1109 GFP_KERNEL);
1110 if (!buf) {
1111 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1112 (unsigned)length);
1113 return -ENOMEM;
1114 }
1115 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1116 req.host_dest_addr = cpu_to_le64(dma_handle);
1117 req.dir_idx = cpu_to_le16(index);
1118 req.offset = cpu_to_le32(offset);
1119 req.len = cpu_to_le32(length);
1120
1121 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1122 if (rc == 0)
1123 memcpy(data, buf, length);
1124 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1125 return rc;
1126}
1127
3ebf6f0a
RS		 1128static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1129 u16 ext, u16 *index, u32 *item_length,
1130 u32 *data_length)
1131{
1132 struct bnxt *bp = netdev_priv(dev);
1133 int rc;
1134 struct hwrm_nvm_find_dir_entry_input req = {0};
1135 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1136
1137 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1138 req.enables = 0;
1139 req.dir_idx = 0;
1140 req.dir_type = cpu_to_le16(type);
1141 req.dir_ordinal = cpu_to_le16(ordinal);
1142 req.dir_ext = cpu_to_le16(ext);
1143 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1144 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1145 if (rc == 0) {
1146 if (index)
1147 *index = le16_to_cpu(output->dir_idx);
1148 if (item_length)
1149 *item_length = le32_to_cpu(output->dir_item_length);
1150 if (data_length)
1151 *data_length = le32_to_cpu(output->dir_data_length);
1152 }
1153 return rc;
1154}
1155
1156static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1157{
1158 char *retval = NULL;
1159 char *p;
1160 char *value;
1161 int field = 0;
1162
1163 if (datalen < 1)
1164 return NULL;
1165 /* null-terminate the log data (removing last '\n'): */
1166 data[datalen - 1] = 0;
1167 for (p = data; *p != 0; p++) {
1168 field = 0;
1169 retval = NULL;
1170 while (*p != 0 && *p != '\n') {
1171 value = p;
1172 while (*p != 0 && *p != '\t' && *p != '\n')
1173 p++;
1174 if (field == desired_field)
1175 retval = value;
1176 if (*p != '\t')
1177 break;
1178 *p = 0;
1179 field++;
1180 p++;
1181 }
1182 if (*p == 0)
1183 break;
1184 *p = 0;
1185 }
1186 return retval;
1187}
1188
1189static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1190{
1191 u16 index = 0;
1192 u32 datalen;
1193
1194 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1195 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1196 &index, NULL, &datalen) != 0)
1197 return NULL;
1198
1199 memset(buf, 0, buflen);
1200 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1201 return NULL;
1202
1203 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1204 datalen);
1205}
1206
c0c050c5
MC		 1207static int bnxt_get_eeprom(struct net_device *dev,
1208 struct ethtool_eeprom *eeprom,
1209 u8 *data)
1210{
1211 u32 index;
1212 u32 offset;
1213
1214 if (eeprom->offset == 0) /* special offset value to get directory */
1215 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1216
1217 index = eeprom->offset >> 24;
1218 offset = eeprom->offset & 0xffffff;
1219
1220 if (index == 0) {
1221 netdev_err(dev, "unsupported index value: %d\n", index);
1222 return -EINVAL;
1223 }
1224
1225 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1226}
1227
1228static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1229{
1230 struct bnxt *bp = netdev_priv(dev);
1231 struct hwrm_nvm_erase_dir_entry_input req = {0};
1232
1233 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1234 req.dir_idx = cpu_to_le16(index);
1235 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1236}
1237
1238static int bnxt_set_eeprom(struct net_device *dev,
1239 struct ethtool_eeprom *eeprom,
1240 u8 *data)
1241{
1242 struct bnxt *bp = netdev_priv(dev);
1243 u8 index, dir_op;
1244 u16 type, ext, ordinal, attr;
1245
1246 if (!BNXT_PF(bp)) {
1247 netdev_err(dev, "NVM write not supported from a virtual function\n");
1248 return -EINVAL;
1249 }
1250
1251 type = eeprom->magic >> 16;
1252
1253 if (type == 0xffff) { /* special value for directory operations */
1254 index = eeprom->magic & 0xff;
1255 dir_op = eeprom->magic >> 8;
1256 if (index == 0)
1257 return -EINVAL;
1258 switch (dir_op) {
1259 case 0x0e: /* erase */
1260 if (eeprom->offset != ~eeprom->magic)
1261 return -EINVAL;
1262 return bnxt_erase_nvram_directory(dev, index - 1);
1263 default:
1264 return -EINVAL;
1265 }
1266 }
1267
1268 /* Create or re-write an NVM item: */
1269 if (bnxt_dir_type_is_executable(type) == true)
1270 return -EINVAL;
1271 ext = eeprom->magic & 0xffff;
1272 ordinal = eeprom->offset >> 16;
1273 attr = eeprom->offset & 0xffff;
1274
1275 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1276 eeprom->len);
1277}
1278
1279const struct ethtool_ops bnxt_ethtool_ops = {
1280 .get_settings = bnxt_get_settings,
1281 .set_settings = bnxt_set_settings,
1282 .get_pauseparam = bnxt_get_pauseparam,
1283 .set_pauseparam = bnxt_set_pauseparam,
1284 .get_drvinfo = bnxt_get_drvinfo,
1285 .get_coalesce = bnxt_get_coalesce,
1286 .set_coalesce = bnxt_set_coalesce,
1287 .get_msglevel = bnxt_get_msglevel,
1288 .set_msglevel = bnxt_set_msglevel,
1289 .get_sset_count = bnxt_get_sset_count,
1290 .get_strings = bnxt_get_strings,
1291 .get_ethtool_stats = bnxt_get_ethtool_stats,
1292 .set_ringparam = bnxt_set_ringparam,
1293 .get_ringparam = bnxt_get_ringparam,
1294 .get_channels = bnxt_get_channels,
1295 .set_channels = bnxt_set_channels,
1296#ifdef CONFIG_RFS_ACCEL
1297 .get_rxnfc = bnxt_get_rxnfc,
1298#endif
1299 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
1300 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
1301 .get_rxfh = bnxt_get_rxfh,
1302 .flash_device = bnxt_flash_device,
1303 .get_eeprom_len = bnxt_get_eeprom_len,
1304 .get_eeprom = bnxt_get_eeprom,
1305 .set_eeprom = bnxt_set_eeprom,
1306 .get_link = bnxt_get_link,
1307};
Linux kernel - Deliverables
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