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bnxt_en: Fix invalid max channel parameter in ethtool -l.
[mirror_ubuntu-artful-kernel.git] / drivers / net / ethernet / broadcom / bnxt / bnxt_ethtool.c
CommitLineData
c0c050c5
MC		 1/* Broadcom NetXtreme-C/E network driver.
2 *
11f15ed3 3 * Copyright (c) 2014-2016 Broadcom Corporation
c0c050c5
MC		 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>
8ddc9aaa 11#include <linux/stringify.h>
c0c050c5
MC		 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
3ebf6f0a
RS		 25static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
26
c0c050c5
MC		 27static u32 bnxt_get_msglevel(struct net_device *dev)
28{
29 struct bnxt *bp = netdev_priv(dev);
30
31 return bp->msg_enable;
32}
33
34static 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
41static 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
dfb5b894
MC		 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;
c0c050c5 53
dfc9c94a
MC		 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
c0c050c5
MC		 59 return 0;
60}
61
62static int bnxt_set_coalesce(struct net_device *dev,
63 struct ethtool_coalesce *coal)
64{
65 struct bnxt *bp = netdev_priv(dev);
66 int rc = 0;
67
dfb5b894
MC		 68 bp->rx_coal_ticks = coal->rx_coalesce_usecs;
69 /* 2 completion records per rx packet */
70 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
71 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
72 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
c0c050c5 73
dfc9c94a
MC		 74 bp->tx_coal_ticks = coal->tx_coalesce_usecs;
75 bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
76 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
77 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
78
c0c050c5
MC		 79 if (netif_running(dev))
80 rc = bnxt_hwrm_set_coal(bp);
81
82 return rc;
83}
84
85#define BNXT_NUM_STATS 21
86
8ddc9aaa
MC		 87#define BNXT_RX_STATS_OFFSET(counter) \
88 (offsetof(struct rx_port_stats, counter) / 8)
89
90#define BNXT_RX_STATS_ENTRY(counter) \
91 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
92
93#define BNXT_TX_STATS_OFFSET(counter) \
94 ((offsetof(struct tx_port_stats, counter) + \
95 sizeof(struct rx_port_stats) + 512) / 8)
96
97#define BNXT_TX_STATS_ENTRY(counter) \
98 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
99
100static const struct {
101 long offset;
102 char string[ETH_GSTRING_LEN];
103} bnxt_port_stats_arr[] = {
104 BNXT_RX_STATS_ENTRY(rx_64b_frames),
105 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
106 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
107 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
108 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
109 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
110 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
111 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
112 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
113 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
114 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
115 BNXT_RX_STATS_ENTRY(rx_total_frames),
116 BNXT_RX_STATS_ENTRY(rx_ucast_frames),
117 BNXT_RX_STATS_ENTRY(rx_mcast_frames),
118 BNXT_RX_STATS_ENTRY(rx_bcast_frames),
119 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
120 BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
121 BNXT_RX_STATS_ENTRY(rx_pause_frames),
122 BNXT_RX_STATS_ENTRY(rx_pfc_frames),
123 BNXT_RX_STATS_ENTRY(rx_align_err_frames),
124 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
125 BNXT_RX_STATS_ENTRY(rx_jbr_frames),
126 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
127 BNXT_RX_STATS_ENTRY(rx_tagged_frames),
128 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
129 BNXT_RX_STATS_ENTRY(rx_good_frames),
130 BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
131 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
132 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
133 BNXT_RX_STATS_ENTRY(rx_bytes),
134 BNXT_RX_STATS_ENTRY(rx_runt_bytes),
135 BNXT_RX_STATS_ENTRY(rx_runt_frames),
136
137 BNXT_TX_STATS_ENTRY(tx_64b_frames),
138 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
139 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
140 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
141 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
142 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
143 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
144 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
145 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
146 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
147 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
148 BNXT_TX_STATS_ENTRY(tx_good_frames),
149 BNXT_TX_STATS_ENTRY(tx_total_frames),
150 BNXT_TX_STATS_ENTRY(tx_ucast_frames),
151 BNXT_TX_STATS_ENTRY(tx_mcast_frames),
152 BNXT_TX_STATS_ENTRY(tx_bcast_frames),
153 BNXT_TX_STATS_ENTRY(tx_pause_frames),
154 BNXT_TX_STATS_ENTRY(tx_pfc_frames),
155 BNXT_TX_STATS_ENTRY(tx_jabber_frames),
156 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
157 BNXT_TX_STATS_ENTRY(tx_err),
158 BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
159 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
160 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
161 BNXT_TX_STATS_ENTRY(tx_total_collisions),
162 BNXT_TX_STATS_ENTRY(tx_bytes),
163};
164
165#define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
166
c0c050c5
MC		 167static int bnxt_get_sset_count(struct net_device *dev, int sset)
168{
169 struct bnxt *bp = netdev_priv(dev);
170
171 switch (sset) {
8ddc9aaa
MC		 172 case ETH_SS_STATS: {
173 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
174
175 if (bp->flags & BNXT_FLAG_PORT_STATS)
176 num_stats += BNXT_NUM_PORT_STATS;
177
178 return num_stats;
179 }
c0c050c5
MC		 180 default:
181 return -EOPNOTSUPP;
182 }
183}
184
185static void bnxt_get_ethtool_stats(struct net_device *dev,
186 struct ethtool_stats *stats, u64 *buf)
187{
188 u32 i, j = 0;
189 struct bnxt *bp = netdev_priv(dev);
190 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
191 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
192
193 memset(buf, 0, buf_size);
194
195 if (!bp->bnapi)
196 return;
197
198 for (i = 0; i < bp->cp_nr_rings; i++) {
199 struct bnxt_napi *bnapi = bp->bnapi[i];
200 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
201 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
202 int k;
203
204 for (k = 0; k < stat_fields; j++, k++)
205 buf[j] = le64_to_cpu(hw_stats[k]);
206 buf[j++] = cpr->rx_l4_csum_errors;
207 }
8ddc9aaa
MC		 208 if (bp->flags & BNXT_FLAG_PORT_STATS) {
209 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
210
211 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
212 buf[j] = le64_to_cpu(*(port_stats +
213 bnxt_port_stats_arr[i].offset));
214 }
215 }
c0c050c5
MC		 216}
217
218static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
219{
220 struct bnxt *bp = netdev_priv(dev);
221 u32 i;
222
223 switch (stringset) {
224 /* The number of strings must match BNXT_NUM_STATS defined above. */
225 case ETH_SS_STATS:
226 for (i = 0; i < bp->cp_nr_rings; i++) {
227 sprintf(buf, "[%d]: rx_ucast_packets", i);
228 buf += ETH_GSTRING_LEN;
229 sprintf(buf, "[%d]: rx_mcast_packets", i);
230 buf += ETH_GSTRING_LEN;
231 sprintf(buf, "[%d]: rx_bcast_packets", i);
232 buf += ETH_GSTRING_LEN;
233 sprintf(buf, "[%d]: rx_discards", i);
234 buf += ETH_GSTRING_LEN;
235 sprintf(buf, "[%d]: rx_drops", i);
236 buf += ETH_GSTRING_LEN;
237 sprintf(buf, "[%d]: rx_ucast_bytes", i);
238 buf += ETH_GSTRING_LEN;
239 sprintf(buf, "[%d]: rx_mcast_bytes", i);
240 buf += ETH_GSTRING_LEN;
241 sprintf(buf, "[%d]: rx_bcast_bytes", i);
242 buf += ETH_GSTRING_LEN;
243 sprintf(buf, "[%d]: tx_ucast_packets", i);
244 buf += ETH_GSTRING_LEN;
245 sprintf(buf, "[%d]: tx_mcast_packets", i);
246 buf += ETH_GSTRING_LEN;
247 sprintf(buf, "[%d]: tx_bcast_packets", i);
248 buf += ETH_GSTRING_LEN;
249 sprintf(buf, "[%d]: tx_discards", i);
250 buf += ETH_GSTRING_LEN;
251 sprintf(buf, "[%d]: tx_drops", i);
252 buf += ETH_GSTRING_LEN;
253 sprintf(buf, "[%d]: tx_ucast_bytes", i);
254 buf += ETH_GSTRING_LEN;
255 sprintf(buf, "[%d]: tx_mcast_bytes", i);
256 buf += ETH_GSTRING_LEN;
257 sprintf(buf, "[%d]: tx_bcast_bytes", i);
258 buf += ETH_GSTRING_LEN;
259 sprintf(buf, "[%d]: tpa_packets", i);
260 buf += ETH_GSTRING_LEN;
261 sprintf(buf, "[%d]: tpa_bytes", i);
262 buf += ETH_GSTRING_LEN;
263 sprintf(buf, "[%d]: tpa_events", i);
264 buf += ETH_GSTRING_LEN;
265 sprintf(buf, "[%d]: tpa_aborts", i);
266 buf += ETH_GSTRING_LEN;
267 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
268 buf += ETH_GSTRING_LEN;
269 }
8ddc9aaa
MC		 270 if (bp->flags & BNXT_FLAG_PORT_STATS) {
271 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
272 strcpy(buf, bnxt_port_stats_arr[i].string);
273 buf += ETH_GSTRING_LEN;
274 }
275 }
c0c050c5
MC		 276 break;
277 default:
278 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
279 stringset);
280 break;
281 }
282}
283
284static void bnxt_get_ringparam(struct net_device *dev,
285 struct ethtool_ringparam *ering)
286{
287 struct bnxt *bp = netdev_priv(dev);
288
289 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
290 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
291 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
292
293 ering->rx_pending = bp->rx_ring_size;
294 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
295 ering->tx_pending = bp->tx_ring_size;
296}
297
298static int bnxt_set_ringparam(struct net_device *dev,
299 struct ethtool_ringparam *ering)
300{
301 struct bnxt *bp = netdev_priv(dev);
302
303 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
304 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
305 (ering->tx_pending <= MAX_SKB_FRAGS))
306 return -EINVAL;
307
308 if (netif_running(dev))
309 bnxt_close_nic(bp, false, false);
310
311 bp->rx_ring_size = ering->rx_pending;
312 bp->tx_ring_size = ering->tx_pending;
313 bnxt_set_ring_params(bp);
314
315 if (netif_running(dev))
316 return bnxt_open_nic(bp, false, false);
317
318 return 0;
319}
320
321static void bnxt_get_channels(struct net_device *dev,
322 struct ethtool_channels *channel)
323{
324 struct bnxt *bp = netdev_priv(dev);
325 int max_rx_rings, max_tx_rings, tcs;
326
6e6c5a57 327 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
068c9ec6
MC		 328 channel->max_combined = max_rx_rings;
329
18d6e4e2
SB		 330 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
331 max_rx_rings = 0;
332 max_tx_rings = 0;
333 }
334
c0c050c5
MC		 335 tcs = netdev_get_num_tc(dev);
336 if (tcs > 1)
337 max_tx_rings /= tcs;
338
339 channel->max_rx = max_rx_rings;
340 channel->max_tx = max_tx_rings;
341 channel->max_other = 0;
068c9ec6
MC		 342 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
343 channel->combined_count = bp->rx_nr_rings;
344 } else {
345 channel->rx_count = bp->rx_nr_rings;
346 channel->tx_count = bp->tx_nr_rings_per_tc;
347 }
c0c050c5
MC		 348}
349
350static int bnxt_set_channels(struct net_device *dev,
351 struct ethtool_channels *channel)
352{
353 struct bnxt *bp = netdev_priv(dev);
354 int max_rx_rings, max_tx_rings, tcs;
355 u32 rc = 0;
068c9ec6 356 bool sh = false;
c0c050c5 357
068c9ec6 358 if (channel->other_count)
c0c050c5
MC		 359 return -EINVAL;
360
068c9ec6
MC		 361 if (!channel->combined_count &&
362 (!channel->rx_count || !channel->tx_count))
363 return -EINVAL;
364
365 if (channel->combined_count &&
366 (channel->rx_count || channel->tx_count))
367 return -EINVAL;
368
369 if (channel->combined_count)
370 sh = true;
371
372 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, sh);
373
c0c050c5
MC		 374 tcs = netdev_get_num_tc(dev);
375 if (tcs > 1)
376 max_tx_rings /= tcs;
377
068c9ec6
MC		 378 if (sh && (channel->combined_count > max_rx_rings ||
379 channel->combined_count > max_tx_rings))
380 return -ENOMEM;
381
382 if (!sh && (channel->rx_count > max_rx_rings ||
383 channel->tx_count > max_tx_rings))
384 return -ENOMEM;
c0c050c5
MC		 385
386 if (netif_running(dev)) {
387 if (BNXT_PF(bp)) {
388 /* TODO CHIMP_FW: Send message to all VF's
389 * before PF unload
390 */
391 }
392 rc = bnxt_close_nic(bp, true, false);
393 if (rc) {
394 netdev_err(bp->dev, "Set channel failure rc :%x\n",
395 rc);
396 return rc;
397 }
398 }
399
068c9ec6
MC		 400 if (sh) {
401 bp->flags |= BNXT_FLAG_SHARED_RINGS;
402 bp->rx_nr_rings = channel->combined_count;
403 bp->tx_nr_rings_per_tc = channel->combined_count;
404 } else {
405 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
406 bp->rx_nr_rings = channel->rx_count;
407 bp->tx_nr_rings_per_tc = channel->tx_count;
408 }
409
c0c050c5
MC		 410 bp->tx_nr_rings = bp->tx_nr_rings_per_tc;
411 if (tcs > 1)
412 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs;
068c9ec6
MC		 413
414 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
415 bp->tx_nr_rings + bp->rx_nr_rings;
416
c0c050c5
MC		 417 bp->num_stat_ctxs = bp->cp_nr_rings;
418
2bcfa6f6
MC		 419 /* After changing number of rx channels, update NTUPLE feature. */
420 netdev_update_features(dev);
c0c050c5
MC		 421 if (netif_running(dev)) {
422 rc = bnxt_open_nic(bp, true, false);
423 if ((!rc) && BNXT_PF(bp)) {
424 /* TODO CHIMP_FW: Send message to all VF's
425 * to renable
426 */
427 }
428 }
429
430 return rc;
431}
432
433#ifdef CONFIG_RFS_ACCEL
434static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
435 u32 *rule_locs)
436{
437 int i, j = 0;
438
439 cmd->data = bp->ntp_fltr_count;
440 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
441 struct hlist_head *head;
442 struct bnxt_ntuple_filter *fltr;
443
444 head = &bp->ntp_fltr_hash_tbl[i];
445 rcu_read_lock();
446 hlist_for_each_entry_rcu(fltr, head, hash) {
447 if (j == cmd->rule_cnt)
448 break;
449 rule_locs[j++] = fltr->sw_id;
450 }
451 rcu_read_unlock();
452 if (j == cmd->rule_cnt)
453 break;
454 }
455 cmd->rule_cnt = j;
456 return 0;
457}
458
459static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
460{
461 struct ethtool_rx_flow_spec *fs =
462 (struct ethtool_rx_flow_spec *)&cmd->fs;
463 struct bnxt_ntuple_filter *fltr;
464 struct flow_keys *fkeys;
465 int i, rc = -EINVAL;
466
467 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
468 return rc;
469
470 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
471 struct hlist_head *head;
472
473 head = &bp->ntp_fltr_hash_tbl[i];
474 rcu_read_lock();
475 hlist_for_each_entry_rcu(fltr, head, hash) {
476 if (fltr->sw_id == fs->location)
477 goto fltr_found;
478 }
479 rcu_read_unlock();
480 }
481 return rc;
482
483fltr_found:
484 fkeys = &fltr->fkeys;
485 if (fkeys->basic.ip_proto == IPPROTO_TCP)
486 fs->flow_type = TCP_V4_FLOW;
487 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
488 fs->flow_type = UDP_V4_FLOW;
489 else
490 goto fltr_err;
491
492 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
493 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
494
495 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
496 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
497
498 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
499 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
500
501 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
502 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
503
504 fs->ring_cookie = fltr->rxq;
505 rc = 0;
506
507fltr_err:
508 rcu_read_unlock();
509
510 return rc;
511}
512
513static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
514 u32 *rule_locs)
515{
516 struct bnxt *bp = netdev_priv(dev);
517 int rc = 0;
518
519 switch (cmd->cmd) {
520 case ETHTOOL_GRXRINGS:
521 cmd->data = bp->rx_nr_rings;
522 break;
523
524 case ETHTOOL_GRXCLSRLCNT:
525 cmd->rule_cnt = bp->ntp_fltr_count;
526 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
527 break;
528
529 case ETHTOOL_GRXCLSRLALL:
530 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
531 break;
532
533 case ETHTOOL_GRXCLSRULE:
534 rc = bnxt_grxclsrule(bp, cmd);
535 break;
536
537 default:
538 rc = -EOPNOTSUPP;
539 break;
540 }
541
542 return rc;
543}
544#endif
545
546static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
547{
548 return HW_HASH_INDEX_SIZE;
549}
550
551static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
552{
553 return HW_HASH_KEY_SIZE;
554}
555
556static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
557 u8 *hfunc)
558{
559 struct bnxt *bp = netdev_priv(dev);
560 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
561 int i = 0;
562
563 if (hfunc)
564 *hfunc = ETH_RSS_HASH_TOP;
565
566 if (indir)
567 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
568 indir[i] = le16_to_cpu(vnic->rss_table[i]);
569
570 if (key)
571 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
572
573 return 0;
574}
575
576static void bnxt_get_drvinfo(struct net_device *dev,
577 struct ethtool_drvinfo *info)
578{
579 struct bnxt *bp = netdev_priv(dev);
3ebf6f0a
RS		 580 char *pkglog;
581 char *pkgver = NULL;
c0c050c5 582
3ebf6f0a
RS		 583 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
584 if (pkglog)
585 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
c0c050c5
MC		 586 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
587 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
3ebf6f0a
RS		 588 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
589 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
590 "%s pkg %s", bp->fw_ver_str, pkgver);
591 else
592 strlcpy(info->fw_version, bp->fw_ver_str,
593 sizeof(info->fw_version));
c0c050c5
MC		 594 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
595 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
596 info->testinfo_len = BNXT_NUM_TESTS(bp);
597 /* TODO CHIMP_FW: eeprom dump details */
598 info->eedump_len = 0;
599 /* TODO CHIMP FW: reg dump details */
600 info->regdump_len = 0;
3ebf6f0a 601 kfree(pkglog);
c0c050c5
MC		 602}
603
170ce013 604u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
c0c050c5 605{
c0c050c5
MC		 606 u32 speed_mask = 0;
607
608 /* TODO: support 25GB, 40GB, 50GB with different cable type */
609 /* set the advertised speeds */
610 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
611 speed_mask |= ADVERTISED_100baseT_Full;
612 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
613 speed_mask |= ADVERTISED_1000baseT_Full;
614 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
615 speed_mask |= ADVERTISED_2500baseX_Full;
616 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
617 speed_mask |= ADVERTISED_10000baseT_Full;
c0c050c5 618 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
1c49c421 619 speed_mask |= ADVERTISED_40000baseCR4_Full;
27c4d578
MC		 620
621 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
622 speed_mask |= ADVERTISED_Pause;
623 else if (fw_pause & BNXT_LINK_PAUSE_TX)
624 speed_mask |= ADVERTISED_Asym_Pause;
625 else if (fw_pause & BNXT_LINK_PAUSE_RX)
626 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
627
c0c050c5
MC		 628 return speed_mask;
629}
630
27c4d578
MC		 631static u32 bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info)
632{
633 u16 fw_speeds = link_info->auto_link_speeds;
634 u8 fw_pause = 0;
635
636 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
637 fw_pause = link_info->auto_pause_setting;
638
639 return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause);
640}
641
3277360e
MC		 642static u32 bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info)
643{
644 u16 fw_speeds = link_info->lp_auto_link_speeds;
645 u8 fw_pause = 0;
646
647 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
648 fw_pause = link_info->lp_pause;
649
650 return _bnxt_fw_to_ethtool_adv_spds(fw_speeds, fw_pause);
651}
652
4b32cacc
MC		 653static u32 bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info)
654{
655 u16 fw_speeds = link_info->support_speeds;
656 u32 supported;
657
658 supported = _bnxt_fw_to_ethtool_adv_spds(fw_speeds, 0);
659 return supported | SUPPORTED_Pause | SUPPORTED_Asym_Pause;
660}
661
c0c050c5
MC		 662u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
663{
664 switch (fw_link_speed) {
665 case BNXT_LINK_SPEED_100MB:
666 return SPEED_100;
667 case BNXT_LINK_SPEED_1GB:
668 return SPEED_1000;
669 case BNXT_LINK_SPEED_2_5GB:
670 return SPEED_2500;
671 case BNXT_LINK_SPEED_10GB:
672 return SPEED_10000;
673 case BNXT_LINK_SPEED_20GB:
674 return SPEED_20000;
675 case BNXT_LINK_SPEED_25GB:
676 return SPEED_25000;
677 case BNXT_LINK_SPEED_40GB:
678 return SPEED_40000;
679 case BNXT_LINK_SPEED_50GB:
680 return SPEED_50000;
681 default:
682 return SPEED_UNKNOWN;
683 }
684}
685
686static int bnxt_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
687{
688 struct bnxt *bp = netdev_priv(dev);
689 struct bnxt_link_info *link_info = &bp->link_info;
690 u16 ethtool_speed;
691
692 cmd->supported = bnxt_fw_to_ethtool_support_spds(link_info);
693
694 if (link_info->auto_link_speeds)
695 cmd->supported |= SUPPORTED_Autoneg;
696
b763499e 697 if (link_info->autoneg) {
c0c050c5
MC		 698 cmd->advertising =
699 bnxt_fw_to_ethtool_advertised_spds(link_info);
700 cmd->advertising |= ADVERTISED_Autoneg;
701 cmd->autoneg = AUTONEG_ENABLE;
3277360e
MC		 702 if (link_info->phy_link_status == BNXT_LINK_LINK)
703 cmd->lp_advertising =
704 bnxt_fw_to_ethtool_lp_adv(link_info);
29c262fe
MC		 705 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
706 if (!netif_carrier_ok(dev))
707 cmd->duplex = DUPLEX_UNKNOWN;
708 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
709 cmd->duplex = DUPLEX_FULL;
710 else
711 cmd->duplex = DUPLEX_HALF;
c0c050c5
MC		 712 } else {
713 cmd->autoneg = AUTONEG_DISABLE;
714 cmd->advertising = 0;
29c262fe
MC		 715 ethtool_speed =
716 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
717 cmd->duplex = DUPLEX_HALF;
718 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
719 cmd->duplex = DUPLEX_FULL;
c0c050c5 720 }
29c262fe 721 ethtool_cmd_speed_set(cmd, ethtool_speed);
c0c050c5
MC		 722
723 cmd->port = PORT_NONE;
724 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
725 cmd->port = PORT_TP;
726 cmd->supported |= SUPPORTED_TP;
727 cmd->advertising |= ADVERTISED_TP;
728 } else {
729 cmd->supported |= SUPPORTED_FIBRE;
730 cmd->advertising |= ADVERTISED_FIBRE;
731
732 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
733 cmd->port = PORT_DA;
734 else if (link_info->media_type ==
735 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
736 cmd->port = PORT_FIBRE;
737 }
738
c0c050c5 739 if (link_info->transceiver ==
11f15ed3 740 PORT_PHY_QCFG_RESP_XCVR_PKG_TYPE_XCVR_INTERNAL)
c0c050c5
MC		 741 cmd->transceiver = XCVR_INTERNAL;
742 else
743 cmd->transceiver = XCVR_EXTERNAL;
744 cmd->phy_address = link_info->phy_addr;
745
746 return 0;
747}
748
749static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
750{
9d9cee08
MC		 751 struct bnxt *bp = netdev_priv(dev);
752 struct bnxt_link_info *link_info = &bp->link_info;
753 u16 support_spds = link_info->support_speeds;
754 u32 fw_speed = 0;
755
c0c050c5
MC		 756 switch (ethtool_speed) {
757 case SPEED_100:
9d9cee08
MC		 758 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
759 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
760 break;
c0c050c5 761 case SPEED_1000:
9d9cee08
MC		 762 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
763 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
764 break;
c0c050c5 765 case SPEED_2500:
9d9cee08
MC		 766 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
767 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
768 break;
c0c050c5 769 case SPEED_10000:
9d9cee08
MC		 770 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
771 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
772 break;
c0c050c5 773 case SPEED_20000:
9d9cee08
MC		 774 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
775 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
776 break;
c0c050c5 777 case SPEED_25000:
9d9cee08
MC		 778 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
779 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
780 break;
c0c050c5 781 case SPEED_40000:
9d9cee08
MC		 782 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
783 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
784 break;
c0c050c5 785 case SPEED_50000:
9d9cee08
MC		 786 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
787 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
788 break;
c0c050c5
MC		 789 default:
790 netdev_err(dev, "unsupported speed!\n");
791 break;
792 }
9d9cee08 793 return fw_speed;
c0c050c5
MC		 794}
795
939f7f0c 796u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
c0c050c5
MC		 797{
798 u16 fw_speed_mask = 0;
799
800 /* only support autoneg at speed 100, 1000, and 10000 */
801 if (advertising & (ADVERTISED_100baseT_Full |
802 ADVERTISED_100baseT_Half)) {
803 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
804 }
805 if (advertising & (ADVERTISED_1000baseT_Full |
806 ADVERTISED_1000baseT_Half)) {
807 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
808 }
809 if (advertising & ADVERTISED_10000baseT_Full)
810 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
811
1c49c421
MC		 812 if (advertising & ADVERTISED_40000baseCR4_Full)
813 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
814
c0c050c5
MC		 815 return fw_speed_mask;
816}
817
818static int bnxt_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
819{
820 int rc = 0;
821 struct bnxt *bp = netdev_priv(dev);
822 struct bnxt_link_info *link_info = &bp->link_info;
823 u32 speed, fw_advertising = 0;
824 bool set_pause = false;
825
826 if (BNXT_VF(bp))
827 return rc;
828
829 if (cmd->autoneg == AUTONEG_ENABLE) {
f1a082a6
MC		 830 u32 supported_spds = bnxt_fw_to_ethtool_support_spds(link_info);
831
832 if (cmd->advertising & ~(supported_spds | ADVERTISED_Autoneg |
833 ADVERTISED_TP | ADVERTISED_FIBRE)) {
c0c050c5
MC		 834 netdev_err(dev, "Unsupported advertising mask (adv: 0x%x)\n",
835 cmd->advertising);
836 rc = -EINVAL;
837 goto set_setting_exit;
838 }
839 fw_advertising = bnxt_get_fw_auto_link_speeds(cmd->advertising);
840 if (fw_advertising & ~link_info->support_speeds) {
841 netdev_err(dev, "Advertising parameters are not supported! (adv: 0x%x)\n",
842 cmd->advertising);
843 rc = -EINVAL;
844 goto set_setting_exit;
845 }
846 link_info->autoneg |= BNXT_AUTONEG_SPEED;
847 if (!fw_advertising)
848 link_info->advertising = link_info->support_speeds;
849 else
850 link_info->advertising = fw_advertising;
851 /* any change to autoneg will cause link change, therefore the
852 * driver should put back the original pause setting in autoneg
853 */
854 set_pause = true;
855 } else {
9d9cee08 856 u16 fw_speed;
03efbec0 857 u8 phy_type = link_info->phy_type;
9d9cee08 858
03efbec0
MC		 859 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
860 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
861 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
862 netdev_err(dev, "10GBase-T devices must autoneg\n");
863 rc = -EINVAL;
864 goto set_setting_exit;
865 }
c0c050c5
MC		 866 /* TODO: currently don't support half duplex */
867 if (cmd->duplex == DUPLEX_HALF) {
868 netdev_err(dev, "HALF DUPLEX is not supported!\n");
869 rc = -EINVAL;
870 goto set_setting_exit;
871 }
872 /* If received a request for an unknown duplex, assume full*/
873 if (cmd->duplex == DUPLEX_UNKNOWN)
874 cmd->duplex = DUPLEX_FULL;
875 speed = ethtool_cmd_speed(cmd);
9d9cee08
MC		 876 fw_speed = bnxt_get_fw_speed(dev, speed);
877 if (!fw_speed) {
878 rc = -EINVAL;
879 goto set_setting_exit;
880 }
881 link_info->req_link_speed = fw_speed;
c0c050c5 882 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
b763499e 883 link_info->autoneg = 0;
c0c050c5
MC		 884 link_info->advertising = 0;
885 }
886
887 if (netif_running(dev))
939f7f0c 888 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
c0c050c5
MC		 889
890set_setting_exit:
891 return rc;
892}
893
894static void bnxt_get_pauseparam(struct net_device *dev,
895 struct ethtool_pauseparam *epause)
896{
897 struct bnxt *bp = netdev_priv(dev);
898 struct bnxt_link_info *link_info = &bp->link_info;
899
900 if (BNXT_VF(bp))
901 return;
b763499e 902 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
3c02d1bb
MC		 903 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
904 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
c0c050c5
MC		 905}
906
907static int bnxt_set_pauseparam(struct net_device *dev,
908 struct ethtool_pauseparam *epause)
909{
910 int rc = 0;
911 struct bnxt *bp = netdev_priv(dev);
912 struct bnxt_link_info *link_info = &bp->link_info;
913
914 if (BNXT_VF(bp))
915 return rc;
916
917 if (epause->autoneg) {
b763499e
MC		 918 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
919 return -EINVAL;
920
c0c050c5 921 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
c9ee9516
MC		 922 if (bp->hwrm_spec_code >= 0x10201)
923 link_info->req_flow_ctrl =
924 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
c0c050c5
MC		 925 } else {
926 /* when transition from auto pause to force pause,
927 * force a link change
928 */
929 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
930 link_info->force_link_chng = true;
931 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
c9ee9516 932 link_info->req_flow_ctrl = 0;
c0c050c5
MC		 933 }
934 if (epause->rx_pause)
935 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
c0c050c5
MC		 936
937 if (epause->tx_pause)
938 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
c0c050c5
MC		 939
940 if (netif_running(dev))
941 rc = bnxt_hwrm_set_pause(bp);
942 return rc;
943}
944
945static u32 bnxt_get_link(struct net_device *dev)
946{
947 struct bnxt *bp = netdev_priv(dev);
948
949 /* TODO: handle MF, VF, driver close case */
950 return bp->link_info.link_up;
951}
952
953static int bnxt_flash_nvram(struct net_device *dev,
954 u16 dir_type,
955 u16 dir_ordinal,
956 u16 dir_ext,
957 u16 dir_attr,
958 const u8 *data,
959 size_t data_len)
960{
961 struct bnxt *bp = netdev_priv(dev);
962 int rc;
963 struct hwrm_nvm_write_input req = {0};
964 dma_addr_t dma_handle;
965 u8 *kmem;
966
967 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
968
969 req.dir_type = cpu_to_le16(dir_type);
970 req.dir_ordinal = cpu_to_le16(dir_ordinal);
971 req.dir_ext = cpu_to_le16(dir_ext);
972 req.dir_attr = cpu_to_le16(dir_attr);
973 req.dir_data_length = cpu_to_le32(data_len);
974
975 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
976 GFP_KERNEL);
977 if (!kmem) {
978 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
979 (unsigned)data_len);
980 return -ENOMEM;
981 }
982 memcpy(kmem, data, data_len);
983 req.host_src_addr = cpu_to_le64(dma_handle);
984
985 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
986 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
987
988 return rc;
989}
990
d2d6318c
RS		 991static int bnxt_firmware_reset(struct net_device *dev,
992 u16 dir_type)
993{
994 struct bnxt *bp = netdev_priv(dev);
995 struct hwrm_fw_reset_input req = {0};
996
997 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
998
999 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1000 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1001 /* (e.g. when firmware isn't already running) */
1002 switch (dir_type) {
1003 case BNX_DIR_TYPE_CHIMP_PATCH:
1004 case BNX_DIR_TYPE_BOOTCODE:
1005 case BNX_DIR_TYPE_BOOTCODE_2:
1006 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1007 /* Self-reset ChiMP upon next PCIe reset: */
1008 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1009 break;
1010 case BNX_DIR_TYPE_APE_FW:
1011 case BNX_DIR_TYPE_APE_PATCH:
1012 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1013 break;
1014 case BNX_DIR_TYPE_KONG_FW:
1015 case BNX_DIR_TYPE_KONG_PATCH:
1016 req.embedded_proc_type =
1017 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1018 break;
1019 case BNX_DIR_TYPE_BONO_FW:
1020 case BNX_DIR_TYPE_BONO_PATCH:
1021 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1022 break;
1023 default:
1024 return -EINVAL;
1025 }
1026
1027 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1028}
1029
c0c050c5
MC		 1030static int bnxt_flash_firmware(struct net_device *dev,
1031 u16 dir_type,
1032 const u8 *fw_data,
1033 size_t fw_size)
1034{
1035 int rc = 0;
1036 u16 code_type;
1037 u32 stored_crc;
1038 u32 calculated_crc;
1039 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1040
1041 switch (dir_type) {
1042 case BNX_DIR_TYPE_BOOTCODE:
1043 case BNX_DIR_TYPE_BOOTCODE_2:
1044 code_type = CODE_BOOT;
1045 break;
2731d70f
RS		 1046 case BNX_DIR_TYPE_APE_FW:
1047 code_type = CODE_MCTP_PASSTHRU;
1048 break;
c0c050c5
MC		 1049 default:
1050 netdev_err(dev, "Unsupported directory entry type: %u\n",
1051 dir_type);
1052 return -EINVAL;
1053 }
1054 if (fw_size < sizeof(struct bnxt_fw_header)) {
1055 netdev_err(dev, "Invalid firmware file size: %u\n",
1056 (unsigned int)fw_size);
1057 return -EINVAL;
1058 }
1059 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1060 netdev_err(dev, "Invalid firmware signature: %08X\n",
1061 le32_to_cpu(header->signature));
1062 return -EINVAL;
1063 }
1064 if (header->code_type != code_type) {
1065 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1066 code_type, header->code_type);
1067 return -EINVAL;
1068 }
1069 if (header->device != DEVICE_CUMULUS_FAMILY) {
1070 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1071 DEVICE_CUMULUS_FAMILY, header->device);
1072 return -EINVAL;
1073 }
1074 /* Confirm the CRC32 checksum of the file: */
1075 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1076 sizeof(stored_crc)));
1077 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1078 if (calculated_crc != stored_crc) {
1079 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1080 (unsigned long)stored_crc,
1081 (unsigned long)calculated_crc);
1082 return -EINVAL;
1083 }
1084 /* TODO: Validate digital signature (RSA-encrypted SHA-256 hash) here */
1085 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1086 0, 0, fw_data, fw_size);
d2d6318c
RS		 1087 if (rc == 0) /* Firmware update successful */
1088 rc = bnxt_firmware_reset(dev, dir_type);
1089
c0c050c5
MC		 1090 return rc;
1091}
1092
1093static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1094{
1095 switch (dir_type) {
1096 case BNX_DIR_TYPE_CHIMP_PATCH:
1097 case BNX_DIR_TYPE_BOOTCODE:
1098 case BNX_DIR_TYPE_BOOTCODE_2:
1099 case BNX_DIR_TYPE_APE_FW:
1100 case BNX_DIR_TYPE_APE_PATCH:
1101 case BNX_DIR_TYPE_KONG_FW:
1102 case BNX_DIR_TYPE_KONG_PATCH:
1103 return true;
1104 }
1105
1106 return false;
1107}
1108
1109static bool bnxt_dir_type_is_unprotected_exec_format(u16 dir_type)
1110{
1111 switch (dir_type) {
1112 case BNX_DIR_TYPE_AVS:
1113 case BNX_DIR_TYPE_EXP_ROM_MBA:
1114 case BNX_DIR_TYPE_PCIE:
1115 case BNX_DIR_TYPE_TSCF_UCODE:
1116 case BNX_DIR_TYPE_EXT_PHY:
1117 case BNX_DIR_TYPE_CCM:
1118 case BNX_DIR_TYPE_ISCSI_BOOT:
1119 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1120 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1121 return true;
1122 }
1123
1124 return false;
1125}
1126
1127static bool bnxt_dir_type_is_executable(u16 dir_type)
1128{
1129 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1130 bnxt_dir_type_is_unprotected_exec_format(dir_type);
1131}
1132
1133static int bnxt_flash_firmware_from_file(struct net_device *dev,
1134 u16 dir_type,
1135 const char *filename)
1136{
1137 const struct firmware *fw;
1138 int rc;
1139
1140 if (bnxt_dir_type_is_executable(dir_type) == false)
1141 return -EINVAL;
1142
1143 rc = request_firmware(&fw, filename, &dev->dev);
1144 if (rc != 0) {
1145 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1146 rc, filename);
1147 return rc;
1148 }
1149 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1150 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1151 else
1152 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1153 0, 0, fw->data, fw->size);
1154 release_firmware(fw);
1155 return rc;
1156}
1157
1158static int bnxt_flash_package_from_file(struct net_device *dev,
1159 char *filename)
1160{
1161 netdev_err(dev, "packages are not yet supported\n");
1162 return -EINVAL;
1163}
1164
1165static int bnxt_flash_device(struct net_device *dev,
1166 struct ethtool_flash *flash)
1167{
1168 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1169 netdev_err(dev, "flashdev not supported from a virtual function\n");
1170 return -EINVAL;
1171 }
1172
1173 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS)
1174 return bnxt_flash_package_from_file(dev, flash->data);
1175
1176 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1177}
1178
1179static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1180{
1181 struct bnxt *bp = netdev_priv(dev);
1182 int rc;
1183 struct hwrm_nvm_get_dir_info_input req = {0};
1184 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1185
1186 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1187
1188 mutex_lock(&bp->hwrm_cmd_lock);
1189 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1190 if (!rc) {
1191 *entries = le32_to_cpu(output->entries);
1192 *length = le32_to_cpu(output->entry_length);
1193 }
1194 mutex_unlock(&bp->hwrm_cmd_lock);
1195 return rc;
1196}
1197
1198static int bnxt_get_eeprom_len(struct net_device *dev)
1199{
1200 /* The -1 return value allows the entire 32-bit range of offsets to be
1201 * passed via the ethtool command-line utility.
1202 */
1203 return -1;
1204}
1205
1206static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1207{
1208 struct bnxt *bp = netdev_priv(dev);
1209 int rc;
1210 u32 dir_entries;
1211 u32 entry_length;
1212 u8 *buf;
1213 size_t buflen;
1214 dma_addr_t dma_handle;
1215 struct hwrm_nvm_get_dir_entries_input req = {0};
1216
1217 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1218 if (rc != 0)
1219 return rc;
1220
1221 /* Insert 2 bytes of directory info (count and size of entries) */
1222 if (len < 2)
1223 return -EINVAL;
1224
1225 *data++ = dir_entries;
1226 *data++ = entry_length;
1227 len -= 2;
1228 memset(data, 0xff, len);
1229
1230 buflen = dir_entries * entry_length;
1231 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1232 GFP_KERNEL);
1233 if (!buf) {
1234 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1235 (unsigned)buflen);
1236 return -ENOMEM;
1237 }
1238 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1239 req.host_dest_addr = cpu_to_le64(dma_handle);
1240 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1241 if (rc == 0)
1242 memcpy(data, buf, len > buflen ? buflen : len);
1243 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1244 return rc;
1245}
1246
1247static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1248 u32 length, u8 *data)
1249{
1250 struct bnxt *bp = netdev_priv(dev);
1251 int rc;
1252 u8 *buf;
1253 dma_addr_t dma_handle;
1254 struct hwrm_nvm_read_input req = {0};
1255
1256 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1257 GFP_KERNEL);
1258 if (!buf) {
1259 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1260 (unsigned)length);
1261 return -ENOMEM;
1262 }
1263 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1264 req.host_dest_addr = cpu_to_le64(dma_handle);
1265 req.dir_idx = cpu_to_le16(index);
1266 req.offset = cpu_to_le32(offset);
1267 req.len = cpu_to_le32(length);
1268
1269 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1270 if (rc == 0)
1271 memcpy(data, buf, length);
1272 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1273 return rc;
1274}
1275
3ebf6f0a
RS		 1276static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1277 u16 ext, u16 *index, u32 *item_length,
1278 u32 *data_length)
1279{
1280 struct bnxt *bp = netdev_priv(dev);
1281 int rc;
1282 struct hwrm_nvm_find_dir_entry_input req = {0};
1283 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1284
1285 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1286 req.enables = 0;
1287 req.dir_idx = 0;
1288 req.dir_type = cpu_to_le16(type);
1289 req.dir_ordinal = cpu_to_le16(ordinal);
1290 req.dir_ext = cpu_to_le16(ext);
1291 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
90e20921 1292 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
3ebf6f0a
RS		 1293 if (rc == 0) {
1294 if (index)
1295 *index = le16_to_cpu(output->dir_idx);
1296 if (item_length)
1297 *item_length = le32_to_cpu(output->dir_item_length);
1298 if (data_length)
1299 *data_length = le32_to_cpu(output->dir_data_length);
1300 }
1301 return rc;
1302}
1303
1304static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1305{
1306 char *retval = NULL;
1307 char *p;
1308 char *value;
1309 int field = 0;
1310
1311 if (datalen < 1)
1312 return NULL;
1313 /* null-terminate the log data (removing last '\n'): */
1314 data[datalen - 1] = 0;
1315 for (p = data; *p != 0; p++) {
1316 field = 0;
1317 retval = NULL;
1318 while (*p != 0 && *p != '\n') {
1319 value = p;
1320 while (*p != 0 && *p != '\t' && *p != '\n')
1321 p++;
1322 if (field == desired_field)
1323 retval = value;
1324 if (*p != '\t')
1325 break;
1326 *p = 0;
1327 field++;
1328 p++;
1329 }
1330 if (*p == 0)
1331 break;
1332 *p = 0;
1333 }
1334 return retval;
1335}
1336
1337static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1338{
1339 u16 index = 0;
1340 u32 datalen;
1341
1342 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1343 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1344 &index, NULL, &datalen) != 0)
1345 return NULL;
1346
1347 memset(buf, 0, buflen);
1348 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1349 return NULL;
1350
1351 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1352 datalen);
1353}
1354
c0c050c5
MC		 1355static int bnxt_get_eeprom(struct net_device *dev,
1356 struct ethtool_eeprom *eeprom,
1357 u8 *data)
1358{
1359 u32 index;
1360 u32 offset;
1361
1362 if (eeprom->offset == 0) /* special offset value to get directory */
1363 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1364
1365 index = eeprom->offset >> 24;
1366 offset = eeprom->offset & 0xffffff;
1367
1368 if (index == 0) {
1369 netdev_err(dev, "unsupported index value: %d\n", index);
1370 return -EINVAL;
1371 }
1372
1373 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1374}
1375
1376static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1377{
1378 struct bnxt *bp = netdev_priv(dev);
1379 struct hwrm_nvm_erase_dir_entry_input req = {0};
1380
1381 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1382 req.dir_idx = cpu_to_le16(index);
1383 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1384}
1385
1386static int bnxt_set_eeprom(struct net_device *dev,
1387 struct ethtool_eeprom *eeprom,
1388 u8 *data)
1389{
1390 struct bnxt *bp = netdev_priv(dev);
1391 u8 index, dir_op;
1392 u16 type, ext, ordinal, attr;
1393
1394 if (!BNXT_PF(bp)) {
1395 netdev_err(dev, "NVM write not supported from a virtual function\n");
1396 return -EINVAL;
1397 }
1398
1399 type = eeprom->magic >> 16;
1400
1401 if (type == 0xffff) { /* special value for directory operations */
1402 index = eeprom->magic & 0xff;
1403 dir_op = eeprom->magic >> 8;
1404 if (index == 0)
1405 return -EINVAL;
1406 switch (dir_op) {
1407 case 0x0e: /* erase */
1408 if (eeprom->offset != ~eeprom->magic)
1409 return -EINVAL;
1410 return bnxt_erase_nvram_directory(dev, index - 1);
1411 default:
1412 return -EINVAL;
1413 }
1414 }
1415
1416 /* Create or re-write an NVM item: */
1417 if (bnxt_dir_type_is_executable(type) == true)
1418 return -EINVAL;
1419 ext = eeprom->magic & 0xffff;
1420 ordinal = eeprom->offset >> 16;
1421 attr = eeprom->offset & 0xffff;
1422
1423 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1424 eeprom->len);
1425}
1426
72b34f04
MC		 1427static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1428{
1429 struct bnxt *bp = netdev_priv(dev);
1430 struct ethtool_eee *eee = &bp->eee;
1431 struct bnxt_link_info *link_info = &bp->link_info;
1432 u32 advertising =
1433 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1434 int rc = 0;
1435
1436 if (BNXT_VF(bp))
1437 return 0;
1438
1439 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1440 return -EOPNOTSUPP;
1441
1442 if (!edata->eee_enabled)
1443 goto eee_ok;
1444
1445 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1446 netdev_warn(dev, "EEE requires autoneg\n");
1447 return -EINVAL;
1448 }
1449 if (edata->tx_lpi_enabled) {
1450 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1451 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1452 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1453 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1454 return -EINVAL;
1455 } else if (!bp->lpi_tmr_hi) {
1456 edata->tx_lpi_timer = eee->tx_lpi_timer;
1457 }
1458 }
1459 if (!edata->advertised) {
1460 edata->advertised = advertising & eee->supported;
1461 } else if (edata->advertised & ~advertising) {
1462 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1463 edata->advertised, advertising);
1464 return -EINVAL;
1465 }
1466
1467 eee->advertised = edata->advertised;
1468 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1469 eee->tx_lpi_timer = edata->tx_lpi_timer;
1470eee_ok:
1471 eee->eee_enabled = edata->eee_enabled;
1472
1473 if (netif_running(dev))
1474 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1475
1476 return rc;
1477}
1478
1479static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1480{
1481 struct bnxt *bp = netdev_priv(dev);
1482
1483 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1484 return -EOPNOTSUPP;
1485
1486 *edata = bp->eee;
1487 if (!bp->eee.eee_enabled) {
1488 /* Preserve tx_lpi_timer so that the last value will be used
1489 * by default when it is re-enabled.
1490 */
1491 edata->advertised = 0;
1492 edata->tx_lpi_enabled = 0;
1493 }
1494
1495 if (!bp->eee.eee_active)
1496 edata->lp_advertised = 0;
1497
1498 return 0;
1499}
1500
c0c050c5
MC		 1501const struct ethtool_ops bnxt_ethtool_ops = {
1502 .get_settings = bnxt_get_settings,
1503 .set_settings = bnxt_set_settings,
1504 .get_pauseparam = bnxt_get_pauseparam,
1505 .set_pauseparam = bnxt_set_pauseparam,
1506 .get_drvinfo = bnxt_get_drvinfo,
1507 .get_coalesce = bnxt_get_coalesce,
1508 .set_coalesce = bnxt_set_coalesce,
1509 .get_msglevel = bnxt_get_msglevel,
1510 .set_msglevel = bnxt_set_msglevel,
1511 .get_sset_count = bnxt_get_sset_count,
1512 .get_strings = bnxt_get_strings,
1513 .get_ethtool_stats = bnxt_get_ethtool_stats,
1514 .set_ringparam = bnxt_set_ringparam,
1515 .get_ringparam = bnxt_get_ringparam,
1516 .get_channels = bnxt_get_channels,
1517 .set_channels = bnxt_set_channels,
1518#ifdef CONFIG_RFS_ACCEL
1519 .get_rxnfc = bnxt_get_rxnfc,
1520#endif
1521 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
1522 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
1523 .get_rxfh = bnxt_get_rxfh,
1524 .flash_device = bnxt_flash_device,
1525 .get_eeprom_len = bnxt_get_eeprom_len,
1526 .get_eeprom = bnxt_get_eeprom,
1527 .set_eeprom = bnxt_set_eeprom,
1528 .get_link = bnxt_get_link,
72b34f04
MC		 1529 .get_eee = bnxt_get_eee,
1530 .set_eee = bnxt_set_eee,
c0c050c5 1531};
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