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bnxt_en: Re-structure ring indexing and mapping.
[mirror_ubuntu-eoan-kernel.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
10#include <linux/ethtool.h>
11#include <linux/interrupt.h>
12#include <linux/pci.h>
13#include <linux/etherdevice.h>
14#include <linux/crc32.h>
15#include <linux/firmware.h>
16#include "bnxt_hsi.h"
17#include "bnxt.h"
18#include "bnxt_ethtool.h"
19#include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
20#include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
21#define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
22
23static u32 bnxt_get_msglevel(struct net_device *dev)
24{
25 struct bnxt *bp = netdev_priv(dev);
26
27 return bp->msg_enable;
28}
29
30static void bnxt_set_msglevel(struct net_device *dev, u32 value)
31{
32 struct bnxt *bp = netdev_priv(dev);
33
34 bp->msg_enable = value;
35}
36
37static int bnxt_get_coalesce(struct net_device *dev,
38 struct ethtool_coalesce *coal)
39{
40 struct bnxt *bp = netdev_priv(dev);
41
42 memset(coal, 0, sizeof(*coal));
43
44 coal->rx_coalesce_usecs =
45 max_t(u16, BNXT_COAL_TIMER_TO_USEC(bp->coal_ticks), 1);
46 coal->rx_max_coalesced_frames = bp->coal_bufs / 2;
47 coal->rx_coalesce_usecs_irq =
48 max_t(u16, BNXT_COAL_TIMER_TO_USEC(bp->coal_ticks_irq), 1);
49 coal->rx_max_coalesced_frames_irq = bp->coal_bufs_irq / 2;
50
51 return 0;
52}
53
54static int bnxt_set_coalesce(struct net_device *dev,
55 struct ethtool_coalesce *coal)
56{
57 struct bnxt *bp = netdev_priv(dev);
58 int rc = 0;
59
60 bp->coal_ticks = BNXT_USEC_TO_COAL_TIMER(coal->rx_coalesce_usecs);
61 bp->coal_bufs = coal->rx_max_coalesced_frames * 2;
62 bp->coal_ticks_irq =
63 BNXT_USEC_TO_COAL_TIMER(coal->rx_coalesce_usecs_irq);
64 bp->coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
65
66 if (netif_running(dev))
67 rc = bnxt_hwrm_set_coal(bp);
68
69 return rc;
70}
71
72#define BNXT_NUM_STATS 21
73
74static int bnxt_get_sset_count(struct net_device *dev, int sset)
75{
76 struct bnxt *bp = netdev_priv(dev);
77
78 switch (sset) {
79 case ETH_SS_STATS:
80 return BNXT_NUM_STATS * bp->cp_nr_rings;
81 default:
82 return -EOPNOTSUPP;
83 }
84}
85
86static void bnxt_get_ethtool_stats(struct net_device *dev,
87 struct ethtool_stats *stats, u64 *buf)
88{
89 u32 i, j = 0;
90 struct bnxt *bp = netdev_priv(dev);
91 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
92 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
93
94 memset(buf, 0, buf_size);
95
96 if (!bp->bnapi)
97 return;
98
99 for (i = 0; i < bp->cp_nr_rings; i++) {
100 struct bnxt_napi *bnapi = bp->bnapi[i];
101 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
102 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
103 int k;
104
105 for (k = 0; k < stat_fields; j++, k++)
106 buf[j] = le64_to_cpu(hw_stats[k]);
107 buf[j++] = cpr->rx_l4_csum_errors;
108 }
109}
110
111static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
112{
113 struct bnxt *bp = netdev_priv(dev);
114 u32 i;
115
116 switch (stringset) {
117 /* The number of strings must match BNXT_NUM_STATS defined above. */
118 case ETH_SS_STATS:
119 for (i = 0; i < bp->cp_nr_rings; i++) {
120 sprintf(buf, "[%d]: rx_ucast_packets", i);
121 buf += ETH_GSTRING_LEN;
122 sprintf(buf, "[%d]: rx_mcast_packets", i);
123 buf += ETH_GSTRING_LEN;
124 sprintf(buf, "[%d]: rx_bcast_packets", i);
125 buf += ETH_GSTRING_LEN;
126 sprintf(buf, "[%d]: rx_discards", i);
127 buf += ETH_GSTRING_LEN;
128 sprintf(buf, "[%d]: rx_drops", i);
129 buf += ETH_GSTRING_LEN;
130 sprintf(buf, "[%d]: rx_ucast_bytes", i);
131 buf += ETH_GSTRING_LEN;
132 sprintf(buf, "[%d]: rx_mcast_bytes", i);
133 buf += ETH_GSTRING_LEN;
134 sprintf(buf, "[%d]: rx_bcast_bytes", i);
135 buf += ETH_GSTRING_LEN;
136 sprintf(buf, "[%d]: tx_ucast_packets", i);
137 buf += ETH_GSTRING_LEN;
138 sprintf(buf, "[%d]: tx_mcast_packets", i);
139 buf += ETH_GSTRING_LEN;
140 sprintf(buf, "[%d]: tx_bcast_packets", i);
141 buf += ETH_GSTRING_LEN;
142 sprintf(buf, "[%d]: tx_discards", i);
143 buf += ETH_GSTRING_LEN;
144 sprintf(buf, "[%d]: tx_drops", i);
145 buf += ETH_GSTRING_LEN;
146 sprintf(buf, "[%d]: tx_ucast_bytes", i);
147 buf += ETH_GSTRING_LEN;
148 sprintf(buf, "[%d]: tx_mcast_bytes", i);
149 buf += ETH_GSTRING_LEN;
150 sprintf(buf, "[%d]: tx_bcast_bytes", i);
151 buf += ETH_GSTRING_LEN;
152 sprintf(buf, "[%d]: tpa_packets", i);
153 buf += ETH_GSTRING_LEN;
154 sprintf(buf, "[%d]: tpa_bytes", i);
155 buf += ETH_GSTRING_LEN;
156 sprintf(buf, "[%d]: tpa_events", i);
157 buf += ETH_GSTRING_LEN;
158 sprintf(buf, "[%d]: tpa_aborts", i);
159 buf += ETH_GSTRING_LEN;
160 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
161 buf += ETH_GSTRING_LEN;
162 }
163 break;
164 default:
165 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
166 stringset);
167 break;
168 }
169}
170
171static void bnxt_get_ringparam(struct net_device *dev,
172 struct ethtool_ringparam *ering)
173{
174 struct bnxt *bp = netdev_priv(dev);
175
176 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
177 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
178 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
179
180 ering->rx_pending = bp->rx_ring_size;
181 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
182 ering->tx_pending = bp->tx_ring_size;
183}
184
185static int bnxt_set_ringparam(struct net_device *dev,
186 struct ethtool_ringparam *ering)
187{
188 struct bnxt *bp = netdev_priv(dev);
189
190 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
191 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
192 (ering->tx_pending <= MAX_SKB_FRAGS))
193 return -EINVAL;
194
195 if (netif_running(dev))
196 bnxt_close_nic(bp, false, false);
197
198 bp->rx_ring_size = ering->rx_pending;
199 bp->tx_ring_size = ering->tx_pending;
200 bnxt_set_ring_params(bp);
201
202 if (netif_running(dev))
203 return bnxt_open_nic(bp, false, false);
204
205 return 0;
206}
207
208static void bnxt_get_channels(struct net_device *dev,
209 struct ethtool_channels *channel)
210{
211 struct bnxt *bp = netdev_priv(dev);
212 int max_rx_rings, max_tx_rings, tcs;
213
214 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings);
215 tcs = netdev_get_num_tc(dev);
216 if (tcs > 1)
217 max_tx_rings /= tcs;
218
219 channel->max_rx = max_rx_rings;
220 channel->max_tx = max_tx_rings;
221 channel->max_other = 0;
222 channel->max_combined = 0;
223 channel->rx_count = bp->rx_nr_rings;
224 channel->tx_count = bp->tx_nr_rings_per_tc;
225}
226
227static int bnxt_set_channels(struct net_device *dev,
228 struct ethtool_channels *channel)
229{
230 struct bnxt *bp = netdev_priv(dev);
231 int max_rx_rings, max_tx_rings, tcs;
232 u32 rc = 0;
233
234 if (channel->other_count || channel->combined_count ||
235 !channel->rx_count || !channel->tx_count)
236 return -EINVAL;
237
238 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings);
239 tcs = netdev_get_num_tc(dev);
240 if (tcs > 1)
241 max_tx_rings /= tcs;
242
243 if (channel->rx_count > max_rx_rings ||
244 channel->tx_count > max_tx_rings)
245 return -EINVAL;
246
247 if (netif_running(dev)) {
248 if (BNXT_PF(bp)) {
249 /* TODO CHIMP_FW: Send message to all VF's
250 * before PF unload
251 */
252 }
253 rc = bnxt_close_nic(bp, true, false);
254 if (rc) {
255 netdev_err(bp->dev, "Set channel failure rc :%x\n",
256 rc);
257 return rc;
258 }
259 }
260
261 bp->rx_nr_rings = channel->rx_count;
262 bp->tx_nr_rings_per_tc = channel->tx_count;
263 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
264 if (tcs > 1)
265 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
266 bp->cp_nr_rings = max_t(int, bp->tx_nr_rings, bp->rx_nr_rings);
267 bp->num_stat_ctxs = bp->cp_nr_rings;
268
2bcfa6f6
MC		 269 /* After changing number of rx channels, update NTUPLE feature. */
270 netdev_update_features(dev);
c0c050c5
MC		 271 if (netif_running(dev)) {
272 rc = bnxt_open_nic(bp, true, false);
273 if ((!rc) && BNXT_PF(bp)) {
274 /* TODO CHIMP_FW: Send message to all VF's
275 * to renable
276 */
277 }
278 }
279
280 return rc;
281}
282
283#ifdef CONFIG_RFS_ACCEL
284static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
285 u32 *rule_locs)
286{
287 int i, j = 0;
288
289 cmd->data = bp->ntp_fltr_count;
290 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
291 struct hlist_head *head;
292 struct bnxt_ntuple_filter *fltr;
293
294 head = &bp->ntp_fltr_hash_tbl[i];
295 rcu_read_lock();
296 hlist_for_each_entry_rcu(fltr, head, hash) {
297 if (j == cmd->rule_cnt)
298 break;
299 rule_locs[j++] = fltr->sw_id;
300 }
301 rcu_read_unlock();
302 if (j == cmd->rule_cnt)
303 break;
304 }
305 cmd->rule_cnt = j;
306 return 0;
307}
308
309static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
310{
311 struct ethtool_rx_flow_spec *fs =
312 (struct ethtool_rx_flow_spec *)&cmd->fs;
313 struct bnxt_ntuple_filter *fltr;
314 struct flow_keys *fkeys;
315 int i, rc = -EINVAL;
316
317 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
318 return rc;
319
320 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
321 struct hlist_head *head;
322
323 head = &bp->ntp_fltr_hash_tbl[i];
324 rcu_read_lock();
325 hlist_for_each_entry_rcu(fltr, head, hash) {
326 if (fltr->sw_id == fs->location)
327 goto fltr_found;
328 }
329 rcu_read_unlock();
330 }
331 return rc;
332
333fltr_found:
334 fkeys = &fltr->fkeys;
335 if (fkeys->basic.ip_proto == IPPROTO_TCP)
336 fs->flow_type = TCP_V4_FLOW;
337 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
338 fs->flow_type = UDP_V4_FLOW;
339 else
340 goto fltr_err;
341
342 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
343 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
344
345 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
346 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
347
348 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
349 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
350
351 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
352 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
353
354 fs->ring_cookie = fltr->rxq;
355 rc = 0;
356
357fltr_err:
358 rcu_read_unlock();
359
360 return rc;
361}
362
363static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
364 u32 *rule_locs)
365{
366 struct bnxt *bp = netdev_priv(dev);
367 int rc = 0;
368
369 switch (cmd->cmd) {
370 case ETHTOOL_GRXRINGS:
371 cmd->data = bp->rx_nr_rings;
372 break;
373
374 case ETHTOOL_GRXCLSRLCNT:
375 cmd->rule_cnt = bp->ntp_fltr_count;
376 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
377 break;
378
379 case ETHTOOL_GRXCLSRLALL:
380 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
381 break;
382
383 case ETHTOOL_GRXCLSRULE:
384 rc = bnxt_grxclsrule(bp, cmd);
385 break;
386
387 default:
388 rc = -EOPNOTSUPP;
389 break;
390 }
391
392 return rc;
393}
394#endif
395
396static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
397{
398 return HW_HASH_INDEX_SIZE;
399}
400
401static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
402{
403 return HW_HASH_KEY_SIZE;
404}
405
406static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
407 u8 *hfunc)
408{
409 struct bnxt *bp = netdev_priv(dev);
410 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
411 int i = 0;
412
413 if (hfunc)
414 *hfunc = ETH_RSS_HASH_TOP;
415
416 if (indir)
417 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
418 indir[i] = le16_to_cpu(vnic->rss_table[i]);
419
420 if (key)
421 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
422
423 return 0;
424}
425
426static void bnxt_get_drvinfo(struct net_device *dev,
427 struct ethtool_drvinfo *info)
428{
429 struct bnxt *bp = netdev_priv(dev);
430
431 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
432 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
433 strlcpy(info->fw_version, bp->fw_ver_str, sizeof(info->fw_version));
434 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
435 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
436 info->testinfo_len = BNXT_NUM_TESTS(bp);
437 /* TODO CHIMP_FW: eeprom dump details */
438 info->eedump_len = 0;
439 /* TODO CHIMP FW: reg dump details */
440 info->regdump_len = 0;
441}
442
443static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
444{
445 u16 fw_speeds = link_info->support_speeds;
446 u32 speed_mask = 0;
447
448 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
449 speed_mask |= SUPPORTED_100baseT_Full;
450 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
451 speed_mask |= SUPPORTED_1000baseT_Full;
452 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
453 speed_mask |= SUPPORTED_2500baseX_Full;
454 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
455 speed_mask |= SUPPORTED_10000baseT_Full;
456 /* TODO: support 25GB, 50GB with different cable type */
457 if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB)
458 speed_mask |= SUPPORTED_20000baseMLD2_Full |
459 SUPPORTED_20000baseKR2_Full;
460 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
461 speed_mask |= SUPPORTED_40000baseKR4_Full |
462 SUPPORTED_40000baseCR4_Full |
463 SUPPORTED_40000baseSR4_Full |
464 SUPPORTED_40000baseLR4_Full;
465
466 return speed_mask;
467}
468
469static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
470{
471 u16 fw_speeds = link_info->auto_link_speeds;
472 u32 speed_mask = 0;
473
474 /* TODO: support 25GB, 40GB, 50GB with different cable type */
475 /* set the advertised speeds */
476 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
477 speed_mask |= ADVERTISED_100baseT_Full;
478 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
479 speed_mask |= ADVERTISED_1000baseT_Full;
480 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
481 speed_mask |= ADVERTISED_2500baseX_Full;
482 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
483 speed_mask |= ADVERTISED_10000baseT_Full;
484 /* TODO: how to advertise 20, 25, 40, 50GB with different cable type ?*/
485 if (fw_speeds & BNXT_LINK_SPEED_MSK_20GB)
486 speed_mask |= ADVERTISED_20000baseMLD2_Full |
487 ADVERTISED_20000baseKR2_Full;
488 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
489 speed_mask |= ADVERTISED_40000baseKR4_Full |
490 ADVERTISED_40000baseCR4_Full |
491 ADVERTISED_40000baseSR4_Full |
492 ADVERTISED_40000baseLR4_Full;
493 return speed_mask;
494}
495
496u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
497{
498 switch (fw_link_speed) {
499 case BNXT_LINK_SPEED_100MB:
500 return SPEED_100;
501 case BNXT_LINK_SPEED_1GB:
502 return SPEED_1000;
503 case BNXT_LINK_SPEED_2_5GB:
504 return SPEED_2500;
505 case BNXT_LINK_SPEED_10GB:
506 return SPEED_10000;
507 case BNXT_LINK_SPEED_20GB:
508 return SPEED_20000;
509 case BNXT_LINK_SPEED_25GB:
510 return SPEED_25000;
511 case BNXT_LINK_SPEED_40GB:
512 return SPEED_40000;
513 case BNXT_LINK_SPEED_50GB:
514 return SPEED_50000;
515 default:
516 return SPEED_UNKNOWN;
517 }
518}
519
520static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
521{
522 struct bnxt *bp = netdev_priv(dev);
523 struct bnxt_link_info *link_info = &bp->link_info;
524 u16 ethtool_speed;
525
526 cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info);
527
528 if (link_info->auto_link_speeds)
529 cmd->supported |= SUPPORTED_Autoneg;
530
531 if (BNXT_AUTO_MODE(link_info->auto_mode)) {
532 cmd->advertising =
533 bnxt_fw_to_ethtool_advertised_spds(link_info);
534 cmd->advertising |= ADVERTISED_Autoneg;
535 cmd->autoneg = AUTONEG_ENABLE;
536 } else {
537 cmd->autoneg = AUTONEG_DISABLE;
538 cmd->advertising = 0;
539 }
540 if (link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) {
541 if ((link_info->auto_pause_setting & BNXT_LINK_PAUSE_BOTH) ==
542 BNXT_LINK_PAUSE_BOTH) {
543 cmd->advertising |= ADVERTISED_Pause;
544 cmd->supported |= SUPPORTED_Pause;
545 } else {
546 cmd->advertising |= ADVERTISED_Asym_Pause;
547 cmd->supported |= SUPPORTED_Asym_Pause;
548 if (link_info->auto_pause_setting &
549 BNXT_LINK_PAUSE_RX)
550 cmd->advertising |= ADVERTISED_Pause;
551 }
552 } else if (link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) {
553 if ((link_info->force_pause_setting & BNXT_LINK_PAUSE_BOTH) ==
554 BNXT_LINK_PAUSE_BOTH) {
555 cmd->supported |= SUPPORTED_Pause;
556 } else {
557 cmd->supported |= SUPPORTED_Asym_Pause;
558 if (link_info->force_pause_setting &
559 BNXT_LINK_PAUSE_RX)
560 cmd->supported |= SUPPORTED_Pause;
561 }
562 }
563
564 cmd->port = PORT_NONE;
565 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
566 cmd->port = PORT_TP;
567 cmd->supported |= SUPPORTED_TP;
568 cmd->advertising |= ADVERTISED_TP;
569 } else {
570 cmd->supported |= SUPPORTED_FIBRE;
571 cmd->advertising |= ADVERTISED_FIBRE;
572
573 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
574 cmd->port = PORT_DA;
575 else if (link_info->media_type ==
576 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
577 cmd->port = PORT_FIBRE;
578 }
579
580 if (link_info->phy_link_status == BNXT_LINK_LINK) {
581 if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
582 cmd->duplex = DUPLEX_FULL;
583 } else {
584 cmd->duplex = DUPLEX_UNKNOWN;
585 }
586 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
587 ethtool_cmd_speed_set(cmd, ethtool_speed);
588 if (link_info->transceiver ==
589 PORT_PHY_QCFG_RESP_TRANSCEIVER_TYPE_XCVR_INTERNAL)
590 cmd->transceiver = XCVR_INTERNAL;
591 else
592 cmd->transceiver = XCVR_EXTERNAL;
593 cmd->phy_address = link_info->phy_addr;
594
595 return 0;
596}
597
598static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
599{
600 switch (ethtool_speed) {
601 case SPEED_100:
602 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
603 case SPEED_1000:
604 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
605 case SPEED_2500:
606 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
607 case SPEED_10000:
608 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
609 case SPEED_20000:
610 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
611 case SPEED_25000:
612 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
613 case SPEED_40000:
614 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
615 case SPEED_50000:
616 return PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
617 default:
618 netdev_err(dev, "unsupported speed!\n");
619 break;
620 }
621 return 0;
622}
623
624static u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
625{
626 u16 fw_speed_mask = 0;
627
628 /* only support autoneg at speed 100, 1000, and 10000 */
629 if (advertising & (ADVERTISED_100baseT_Full |
630 ADVERTISED_100baseT_Half)) {
631 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
632 }
633 if (advertising & (ADVERTISED_1000baseT_Full |
634 ADVERTISED_1000baseT_Half)) {
635 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
636 }
637 if (advertising & ADVERTISED_10000baseT_Full)
638 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
639
640 return fw_speed_mask;
641}
642
643static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
644{
645 int rc = 0;
646 struct bnxt *bp = netdev_priv(dev);
647 struct bnxt_link_info *link_info = &bp->link_info;
648 u32 speed, fw_advertising = 0;
649 bool set_pause = false;
650
651 if (BNXT_VF(bp))
652 return rc;
653
654 if (cmd->autoneg == AUTONEG_ENABLE) {
655 if (link_info->media_type != PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
656 netdev_err(dev, "Media type doesn't support autoneg\n");
657 rc = -EINVAL;
658 goto set_setting_exit;
659 }
660 if (cmd->advertising & ~(BNXT_ALL_COPPER_ETHTOOL_SPEED |
661 ADVERTISED_Autoneg |
662 ADVERTISED_TP |
663 ADVERTISED_Pause |
664 ADVERTISED_Asym_Pause)) {
665 netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n",
666 cmd->advertising);
667 rc = -EINVAL;
668 goto set_setting_exit;
669 }
670 fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising);
671 if (fw_advertising & ~link_info->support_speeds) {
672 netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n",
673 cmd->advertising);
674 rc = -EINVAL;
675 goto set_setting_exit;
676 }
677 link_info->autoneg |= BNXT_AUTONEG_SPEED;
678 if (!fw_advertising)
679 link_info->advertising = link_info->support_speeds;
680 else
681 link_info->advertising = fw_advertising;
682 /* any change to autoneg will cause link change, therefore the
683 * driver should put back the original pause setting in autoneg
684 */
685 set_pause = true;
686 } else {
687 /* TODO: currently don't support half duplex */
688 if (cmd->duplex == DUPLEX_HALF) {
689 netdev_err(dev, "HALF DUPLEX is not supported!\n");
690 rc = -EINVAL;
691 goto set_setting_exit;
692 }
693 /* If received a request for an unknown duplex, assume full*/
694 if (cmd->duplex == DUPLEX_UNKNOWN)
695 cmd->duplex = DUPLEX_FULL;
696 speed = ethtool_cmd_speed(cmd);
697 link_info->req_link_speed = bnxt_get_fw_speed(dev, speed);
698 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
699 link_info->autoneg &= ~BNXT_AUTONEG_SPEED;
700 link_info->advertising = 0;
701 }
702
703 if (netif_running(dev))
704 rc = bnxt_hwrm_set_link_setting(bp, set_pause);
705
706set_setting_exit:
707 return rc;
708}
709
710static void bnxt_get_pauseparam(struct net_device *dev,
711 struct ethtool_pauseparam *epause)
712{
713 struct bnxt *bp = netdev_priv(dev);
714 struct bnxt_link_info *link_info = &bp->link_info;
715
716 if (BNXT_VF(bp))
717 return;
718 epause->autoneg = !!(link_info->auto_pause_setting &
719 BNXT_LINK_PAUSE_BOTH);
720 epause->rx_pause = ((link_info->pause & BNXT_LINK_PAUSE_RX) != 0);
721 epause->tx_pause = ((link_info->pause & BNXT_LINK_PAUSE_TX) != 0);
722}
723
724static int bnxt_set_pauseparam(struct net_device *dev,
725 struct ethtool_pauseparam *epause)
726{
727 int rc = 0;
728 struct bnxt *bp = netdev_priv(dev);
729 struct bnxt_link_info *link_info = &bp->link_info;
730
731 if (BNXT_VF(bp))
732 return rc;
733
734 if (epause->autoneg) {
735 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
736 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_BOTH;
737 } else {
738 /* when transition from auto pause to force pause,
739 * force a link change
740 */
741 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
742 link_info->force_link_chng = true;
743 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
744 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_BOTH;
745 }
746 if (epause->rx_pause)
747 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
748 else
749 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_RX;
750
751 if (epause->tx_pause)
752 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
753 else
754 link_info->req_flow_ctrl &= ~BNXT_LINK_PAUSE_TX;
755
756 if (netif_running(dev))
757 rc = bnxt_hwrm_set_pause(bp);
758 return rc;
759}
760
761static u32 bnxt_get_link(struct net_device *dev)
762{
763 struct bnxt *bp = netdev_priv(dev);
764
765 /* TODO: handle MF, VF, driver close case */
766 return bp->link_info.link_up;
767}
768
769static int bnxt_flash_nvram(struct net_device *dev,
770 u16 dir_type,
771 u16 dir_ordinal,
772 u16 dir_ext,
773 u16 dir_attr,
774 const u8 *data,
775 size_t data_len)
776{
777 struct bnxt *bp = netdev_priv(dev);
778 int rc;
779 struct hwrm_nvm_write_input req = {0};
780 dma_addr_t dma_handle;
781 u8 *kmem;
782
783 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
784
785 req.dir_type = cpu_to_le16(dir_type);
786 req.dir_ordinal = cpu_to_le16(dir_ordinal);
787 req.dir_ext = cpu_to_le16(dir_ext);
788 req.dir_attr = cpu_to_le16(dir_attr);
789 req.dir_data_length = cpu_to_le32(data_len);
790
791 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
792 GFP_KERNEL);
793 if (!kmem) {
794 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
795 (unsigned)data_len);
796 return -ENOMEM;
797 }
798 memcpy(kmem, data, data_len);
799 req.host_src_addr = cpu_to_le64(dma_handle);
800
801 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
802 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
803
804 return rc;
805}
806
807static int bnxt_flash_firmware(struct net_device *dev,
808 u16 dir_type,
809 const u8 *fw_data,
810 size_t fw_size)
811{
812 int rc = 0;
813 u16 code_type;
814 u32 stored_crc;
815 u32 calculated_crc;
816 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
817
818 switch (dir_type) {
819 case BNX_DIR_TYPE_BOOTCODE:
820 case BNX_DIR_TYPE_BOOTCODE_2:
821 code_type = CODE_BOOT;
822 break;
2731d70f
RS		 823 case BNX_DIR_TYPE_APE_FW:
824 code_type = CODE_MCTP_PASSTHRU;
825 break;
c0c050c5
MC		 826 default:
827 netdev_err(dev, "Unsupported directory entry type: %u\n",
828 dir_type);
829 return -EINVAL;
830 }
831 if (fw_size < sizeof(struct bnxt_fw_header)) {
832 netdev_err(dev, "Invalid firmware file size: %u\n",
833 (unsigned int)fw_size);
834 return -EINVAL;
835 }
836 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
837 netdev_err(dev, "Invalid firmware signature: %08X\n",
838 le32_to_cpu(header->signature));
839 return -EINVAL;
840 }
841 if (header->code_type != code_type) {
842 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
843 code_type, header->code_type);
844 return -EINVAL;
845 }
846 if (header->device != DEVICE_CUMULUS_FAMILY) {
847 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
848 DEVICE_CUMULUS_FAMILY, header->device);
849 return -EINVAL;
850 }
851 /* Confirm the CRC32 checksum of the file: */
852 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
853 sizeof(stored_crc)));
854 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
855 if (calculated_crc != stored_crc) {
856 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
857 (unsigned long)stored_crc,
858 (unsigned long)calculated_crc);
859 return -EINVAL;
860 }
861 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
862 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
863 0, 0, fw_data, fw_size);
864 if (rc == 0) { /* Firmware update successful */
865 /* TODO: Notify processor it needs to reset itself
866 */
867 }
868 return rc;
869}
870
871static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
872{
873 switch (dir_type) {
874 case BNX_DIR_TYPE_CHIMP_PATCH:
875 case BNX_DIR_TYPE_BOOTCODE:
876 case BNX_DIR_TYPE_BOOTCODE_2:
877 case BNX_DIR_TYPE_APE_FW:
878 case BNX_DIR_TYPE_APE_PATCH:
879 case BNX_DIR_TYPE_KONG_FW:
880 case BNX_DIR_TYPE_KONG_PATCH:
881 return true;
882 }
883
884 return false;
885}
886
887static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
888{
889 switch (dir_type) {
890 case BNX_DIR_TYPE_AVS:
891 case BNX_DIR_TYPE_EXP_ROM_MBA:
892 case BNX_DIR_TYPE_PCIE:
893 case BNX_DIR_TYPE_TSCF_UCODE:
894 case BNX_DIR_TYPE_EXT_PHY:
895 case BNX_DIR_TYPE_CCM:
896 case BNX_DIR_TYPE_ISCSI_BOOT:
897 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
898 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
899 return true;
900 }
901
902 return false;
903}
904
905static bool bnxt_dir_type_is_executable(u16 dir_type)
906{
907 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
908 bnxt_dir_type_is_unprotected_exec_format(dir_type);
909}
910
911static int bnxt_flash_firmware_from_file(struct net_device *dev,
912 u16 dir_type,
913 const char *filename)
914{
915 const struct firmware *fw;
916 int rc;
917
918 if (bnxt_dir_type_is_executable(dir_type) == false)
919 return -EINVAL;
920
921 rc = request_firmware(&fw, filename, &dev->dev);
922 if (rc != 0) {
923 netdev_err(dev, "Error %d requesting firmware file: %s\n",
924 rc, filename);
925 return rc;
926 }
927 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
928 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
929 else
930 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
931 0, 0, fw->data, fw->size);
932 release_firmware(fw);
933 return rc;
934}
935
936static int bnxt_flash_package_from_file(struct net_device *dev,
937 char *filename)
938{
939 netdev_err(dev, "packages are not yet supported\n");
940 return -EINVAL;
941}
942
943static int bnxt_flash_device(struct net_device *dev,
944 struct ethtool_flash *flash)
945{
946 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
947 netdev_err(dev, "flashdev not supported from a virtual function\n");
948 return -EINVAL;
949 }
950
951 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
952 return bnxt_flash_package_from_file(dev, flash->data);
953
954 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
955}
956
957static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
958{
959 struct bnxt *bp = netdev_priv(dev);
960 int rc;
961 struct hwrm_nvm_get_dir_info_input req = {0};
962 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
963
964 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
965
966 mutex_lock(&bp->hwrm_cmd_lock);
967 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
968 if (!rc) {
969 *entries = le32_to_cpu(output->entries);
970 *length = le32_to_cpu(output->entry_length);
971 }
972 mutex_unlock(&bp->hwrm_cmd_lock);
973 return rc;
974}
975
976static int bnxt_get_eeprom_len(struct net_device *dev)
977{
978 /* The -1 return value allows the entire 32-bit range of offsets to be
979 * passed via the ethtool command-line utility.
980 */
981 return -1;
982}
983
984static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
985{
986 struct bnxt *bp = netdev_priv(dev);
987 int rc;
988 u32 dir_entries;
989 u32 entry_length;
990 u8 *buf;
991 size_t buflen;
992 dma_addr_t dma_handle;
993 struct hwrm_nvm_get_dir_entries_input req = {0};
994
995 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
996 if (rc != 0)
997 return rc;
998
999 /* Insert 2 bytes of directory info (count and size of entries) */
1000 if (len < 2)
1001 return -EINVAL;
1002
1003 *data++ = dir_entries;
1004 *data++ = entry_length;
1005 len -= 2;
1006 memset(data, 0xff, len);
1007
1008 buflen = dir_entries * entry_length;
1009 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1010 GFP_KERNEL);
1011 if (!buf) {
1012 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1013 (unsigned)buflen);
1014 return -ENOMEM;
1015 }
1016 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1017 req.host_dest_addr = cpu_to_le64(dma_handle);
1018 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1019 if (rc == 0)
1020 memcpy(data, buf, len > buflen ? buflen : len);
1021 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1022 return rc;
1023}
1024
1025static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1026 u32 length, u8 *data)
1027{
1028 struct bnxt *bp = netdev_priv(dev);
1029 int rc;
1030 u8 *buf;
1031 dma_addr_t dma_handle;
1032 struct hwrm_nvm_read_input req = {0};
1033
1034 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1035 GFP_KERNEL);
1036 if (!buf) {
1037 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1038 (unsigned)length);
1039 return -ENOMEM;
1040 }
1041 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1042 req.host_dest_addr = cpu_to_le64(dma_handle);
1043 req.dir_idx = cpu_to_le16(index);
1044 req.offset = cpu_to_le32(offset);
1045 req.len = cpu_to_le32(length);
1046
1047 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1048 if (rc == 0)
1049 memcpy(data, buf, length);
1050 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1051 return rc;
1052}
1053
1054static int bnxt_get_eeprom(struct net_device *dev,
1055 struct ethtool_eeprom *eeprom,
1056 u8 *data)
1057{
1058 u32 index;
1059 u32 offset;
1060
1061 if (eeprom->offset == 0) /* special offset value to get directory */
1062 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1063
1064 index = eeprom->offset >> 24;
1065 offset = eeprom->offset & 0xffffff;
1066
1067 if (index == 0) {
1068 netdev_err(dev, "unsupported index value: %d\n", index);
1069 return -EINVAL;
1070 }
1071
1072 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1073}
1074
1075static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1076{
1077 struct bnxt *bp = netdev_priv(dev);
1078 struct hwrm_nvm_erase_dir_entry_input req = {0};
1079
1080 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1081 req.dir_idx = cpu_to_le16(index);
1082 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1083}
1084
1085static int bnxt_set_eeprom(struct net_device *dev,
1086 struct ethtool_eeprom *eeprom,
1087 u8 *data)
1088{
1089 struct bnxt *bp = netdev_priv(dev);
1090 u8 index, dir_op;
1091 u16 type, ext, ordinal, attr;
1092
1093 if (!BNXT_PF(bp)) {
1094 netdev_err(dev, "NVM write not supported from a virtual function\n");
1095 return -EINVAL;
1096 }
1097
1098 type = eeprom->magic >> 16;
1099
1100 if (type == 0xffff) { /* special value for directory operations */
1101 index = eeprom->magic & 0xff;
1102 dir_op = eeprom->magic >> 8;
1103 if (index == 0)
1104 return -EINVAL;
1105 switch (dir_op) {
1106 case 0x0e: /* erase */
1107 if (eeprom->offset != ~eeprom->magic)
1108 return -EINVAL;
1109 return bnxt_erase_nvram_directory(dev, index - 1);
1110 default:
1111 return -EINVAL;
1112 }
1113 }
1114
1115 /* Create or re-write an NVM item: */
1116 if (bnxt_dir_type_is_executable(type) == true)
1117 return -EINVAL;
1118 ext = eeprom->magic & 0xffff;
1119 ordinal = eeprom->offset >> 16;
1120 attr = eeprom->offset & 0xffff;
1121
1122 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1123 eeprom->len);
1124}
1125
1126const struct ethtool_ops bnxt_ethtool_ops = {
1127 .get_settings = bnxt_get_settings,
1128 .set_settings = bnxt_set_settings,
1129 .get_pauseparam = bnxt_get_pauseparam,
1130 .set_pauseparam = bnxt_set_pauseparam,
1131 .get_drvinfo = bnxt_get_drvinfo,
1132 .get_coalesce = bnxt_get_coalesce,
1133 .set_coalesce = bnxt_set_coalesce,
1134 .get_msglevel = bnxt_get_msglevel,
1135 .set_msglevel = bnxt_set_msglevel,
1136 .get_sset_count = bnxt_get_sset_count,
1137 .get_strings = bnxt_get_strings,
1138 .get_ethtool_stats = bnxt_get_ethtool_stats,
1139 .set_ringparam = bnxt_set_ringparam,
1140 .get_ringparam = bnxt_get_ringparam,
1141 .get_channels = bnxt_get_channels,
1142 .set_channels = bnxt_set_channels,
1143#ifdef CONFIG_RFS_ACCEL
1144 .get_rxnfc = bnxt_get_rxnfc,
1145#endif
1146 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
1147 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
1148 .get_rxfh = bnxt_get_rxfh,
1149 .flash_device = bnxt_flash_device,
1150 .get_eeprom_len = bnxt_get_eeprom_len,
1151 .get_eeprom = bnxt_get_eeprom,
1152 .set_eeprom = bnxt_set_eeprom,
1153 .get_link = bnxt_get_link,
1154};
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