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Merge git://git.kernel.org/pub/scm/linux/kernel/git/davem/ide
[mirror_ubuntu-bionic-kernel.git] / drivers / net / ethernet / broadcom / bnxt / bnxt_ethtool.c
1 /* Broadcom NetXtreme-C/E network driver.
2 *
3 * Copyright (c) 2014-2016 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 */
9
10 #include <linux/ctype.h>
11 #include <linux/stringify.h>
12 #include <linux/ethtool.h>
13 #include <linux/interrupt.h>
14 #include <linux/pci.h>
15 #include <linux/etherdevice.h>
16 #include <linux/crc32.h>
17 #include <linux/firmware.h>
18 #include "bnxt_hsi.h"
19 #include "bnxt.h"
20 #include "bnxt_ethtool.h"
21 #include "bnxt_nvm_defs.h" /* NVRAM content constant and structure defs */
22 #include "bnxt_fw_hdr.h" /* Firmware hdr constant and structure defs */
23 #define FLASH_NVRAM_TIMEOUT ((HWRM_CMD_TIMEOUT) * 100)
24 #define FLASH_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
25 #define INSTALL_PACKAGE_TIMEOUT ((HWRM_CMD_TIMEOUT) * 200)
26
27 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen);
28
29 static u32 bnxt_get_msglevel(struct net_device *dev)
30 {
31 struct bnxt *bp = netdev_priv(dev);
32
33 return bp->msg_enable;
34 }
35
36 static void bnxt_set_msglevel(struct net_device *dev, u32 value)
37 {
38 struct bnxt *bp = netdev_priv(dev);
39
40 bp->msg_enable = value;
41 }
42
43 static int bnxt_get_coalesce(struct net_device *dev,
44 struct ethtool_coalesce *coal)
45 {
46 struct bnxt *bp = netdev_priv(dev);
47
48 memset(coal, 0, sizeof(*coal));
49
50 coal->rx_coalesce_usecs = bp->rx_coal_ticks;
51 /* 2 completion records per rx packet */
52 coal->rx_max_coalesced_frames = bp->rx_coal_bufs / 2;
53 coal->rx_coalesce_usecs_irq = bp->rx_coal_ticks_irq;
54 coal->rx_max_coalesced_frames_irq = bp->rx_coal_bufs_irq / 2;
55
56 coal->tx_coalesce_usecs = bp->tx_coal_ticks;
57 coal->tx_max_coalesced_frames = bp->tx_coal_bufs;
58 coal->tx_coalesce_usecs_irq = bp->tx_coal_ticks_irq;
59 coal->tx_max_coalesced_frames_irq = bp->tx_coal_bufs_irq;
60
61 coal->stats_block_coalesce_usecs = bp->stats_coal_ticks;
62
63 return 0;
64 }
65
66 static int bnxt_set_coalesce(struct net_device *dev,
67 struct ethtool_coalesce *coal)
68 {
69 struct bnxt *bp = netdev_priv(dev);
70 bool update_stats = false;
71 int rc = 0;
72
73 bp->rx_coal_ticks = coal->rx_coalesce_usecs;
74 /* 2 completion records per rx packet */
75 bp->rx_coal_bufs = coal->rx_max_coalesced_frames * 2;
76 bp->rx_coal_ticks_irq = coal->rx_coalesce_usecs_irq;
77 bp->rx_coal_bufs_irq = coal->rx_max_coalesced_frames_irq * 2;
78
79 bp->tx_coal_ticks = coal->tx_coalesce_usecs;
80 bp->tx_coal_bufs = coal->tx_max_coalesced_frames;
81 bp->tx_coal_ticks_irq = coal->tx_coalesce_usecs_irq;
82 bp->tx_coal_bufs_irq = coal->tx_max_coalesced_frames_irq;
83
84 if (bp->stats_coal_ticks != coal->stats_block_coalesce_usecs) {
85 u32 stats_ticks = coal->stats_block_coalesce_usecs;
86
87 stats_ticks = clamp_t(u32, stats_ticks,
88 BNXT_MIN_STATS_COAL_TICKS,
89 BNXT_MAX_STATS_COAL_TICKS);
90 stats_ticks = rounddown(stats_ticks, BNXT_MIN_STATS_COAL_TICKS);
91 bp->stats_coal_ticks = stats_ticks;
92 update_stats = true;
93 }
94
95 if (netif_running(dev)) {
96 if (update_stats) {
97 rc = bnxt_close_nic(bp, true, false);
98 if (!rc)
99 rc = bnxt_open_nic(bp, true, false);
100 } else {
101 rc = bnxt_hwrm_set_coal(bp);
102 }
103 }
104
105 return rc;
106 }
107
108 #define BNXT_NUM_STATS 21
109
110 #define BNXT_RX_STATS_ENTRY(counter) \
111 { BNXT_RX_STATS_OFFSET(counter), __stringify(counter) }
112
113 #define BNXT_TX_STATS_ENTRY(counter) \
114 { BNXT_TX_STATS_OFFSET(counter), __stringify(counter) }
115
116 static const struct {
117 long offset;
118 char string[ETH_GSTRING_LEN];
119 } bnxt_port_stats_arr[] = {
120 BNXT_RX_STATS_ENTRY(rx_64b_frames),
121 BNXT_RX_STATS_ENTRY(rx_65b_127b_frames),
122 BNXT_RX_STATS_ENTRY(rx_128b_255b_frames),
123 BNXT_RX_STATS_ENTRY(rx_256b_511b_frames),
124 BNXT_RX_STATS_ENTRY(rx_512b_1023b_frames),
125 BNXT_RX_STATS_ENTRY(rx_1024b_1518_frames),
126 BNXT_RX_STATS_ENTRY(rx_good_vlan_frames),
127 BNXT_RX_STATS_ENTRY(rx_1519b_2047b_frames),
128 BNXT_RX_STATS_ENTRY(rx_2048b_4095b_frames),
129 BNXT_RX_STATS_ENTRY(rx_4096b_9216b_frames),
130 BNXT_RX_STATS_ENTRY(rx_9217b_16383b_frames),
131 BNXT_RX_STATS_ENTRY(rx_total_frames),
132 BNXT_RX_STATS_ENTRY(rx_ucast_frames),
133 BNXT_RX_STATS_ENTRY(rx_mcast_frames),
134 BNXT_RX_STATS_ENTRY(rx_bcast_frames),
135 BNXT_RX_STATS_ENTRY(rx_fcs_err_frames),
136 BNXT_RX_STATS_ENTRY(rx_ctrl_frames),
137 BNXT_RX_STATS_ENTRY(rx_pause_frames),
138 BNXT_RX_STATS_ENTRY(rx_pfc_frames),
139 BNXT_RX_STATS_ENTRY(rx_align_err_frames),
140 BNXT_RX_STATS_ENTRY(rx_ovrsz_frames),
141 BNXT_RX_STATS_ENTRY(rx_jbr_frames),
142 BNXT_RX_STATS_ENTRY(rx_mtu_err_frames),
143 BNXT_RX_STATS_ENTRY(rx_tagged_frames),
144 BNXT_RX_STATS_ENTRY(rx_double_tagged_frames),
145 BNXT_RX_STATS_ENTRY(rx_good_frames),
146 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri0),
147 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri1),
148 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri2),
149 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri3),
150 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri4),
151 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri5),
152 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri6),
153 BNXT_RX_STATS_ENTRY(rx_pfc_ena_frames_pri7),
154 BNXT_RX_STATS_ENTRY(rx_undrsz_frames),
155 BNXT_RX_STATS_ENTRY(rx_eee_lpi_events),
156 BNXT_RX_STATS_ENTRY(rx_eee_lpi_duration),
157 BNXT_RX_STATS_ENTRY(rx_bytes),
158 BNXT_RX_STATS_ENTRY(rx_runt_bytes),
159 BNXT_RX_STATS_ENTRY(rx_runt_frames),
160
161 BNXT_TX_STATS_ENTRY(tx_64b_frames),
162 BNXT_TX_STATS_ENTRY(tx_65b_127b_frames),
163 BNXT_TX_STATS_ENTRY(tx_128b_255b_frames),
164 BNXT_TX_STATS_ENTRY(tx_256b_511b_frames),
165 BNXT_TX_STATS_ENTRY(tx_512b_1023b_frames),
166 BNXT_TX_STATS_ENTRY(tx_1024b_1518_frames),
167 BNXT_TX_STATS_ENTRY(tx_good_vlan_frames),
168 BNXT_TX_STATS_ENTRY(tx_1519b_2047_frames),
169 BNXT_TX_STATS_ENTRY(tx_2048b_4095b_frames),
170 BNXT_TX_STATS_ENTRY(tx_4096b_9216b_frames),
171 BNXT_TX_STATS_ENTRY(tx_9217b_16383b_frames),
172 BNXT_TX_STATS_ENTRY(tx_good_frames),
173 BNXT_TX_STATS_ENTRY(tx_total_frames),
174 BNXT_TX_STATS_ENTRY(tx_ucast_frames),
175 BNXT_TX_STATS_ENTRY(tx_mcast_frames),
176 BNXT_TX_STATS_ENTRY(tx_bcast_frames),
177 BNXT_TX_STATS_ENTRY(tx_pause_frames),
178 BNXT_TX_STATS_ENTRY(tx_pfc_frames),
179 BNXT_TX_STATS_ENTRY(tx_jabber_frames),
180 BNXT_TX_STATS_ENTRY(tx_fcs_err_frames),
181 BNXT_TX_STATS_ENTRY(tx_err),
182 BNXT_TX_STATS_ENTRY(tx_fifo_underruns),
183 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri0),
184 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri1),
185 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri2),
186 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri3),
187 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri4),
188 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri5),
189 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri6),
190 BNXT_TX_STATS_ENTRY(tx_pfc_ena_frames_pri7),
191 BNXT_TX_STATS_ENTRY(tx_eee_lpi_events),
192 BNXT_TX_STATS_ENTRY(tx_eee_lpi_duration),
193 BNXT_TX_STATS_ENTRY(tx_total_collisions),
194 BNXT_TX_STATS_ENTRY(tx_bytes),
195 };
196
197 #define BNXT_NUM_PORT_STATS ARRAY_SIZE(bnxt_port_stats_arr)
198
199 static int bnxt_get_sset_count(struct net_device *dev, int sset)
200 {
201 struct bnxt *bp = netdev_priv(dev);
202
203 switch (sset) {
204 case ETH_SS_STATS: {
205 int num_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
206
207 if (bp->flags & BNXT_FLAG_PORT_STATS)
208 num_stats += BNXT_NUM_PORT_STATS;
209
210 return num_stats;
211 }
212 default:
213 return -EOPNOTSUPP;
214 }
215 }
216
217 static void bnxt_get_ethtool_stats(struct net_device *dev,
218 struct ethtool_stats *stats, u64 *buf)
219 {
220 u32 i, j = 0;
221 struct bnxt *bp = netdev_priv(dev);
222 u32 buf_size = sizeof(struct ctx_hw_stats) * bp->cp_nr_rings;
223 u32 stat_fields = sizeof(struct ctx_hw_stats) / 8;
224
225 memset(buf, 0, buf_size);
226
227 if (!bp->bnapi)
228 return;
229
230 for (i = 0; i < bp->cp_nr_rings; i++) {
231 struct bnxt_napi *bnapi = bp->bnapi[i];
232 struct bnxt_cp_ring_info *cpr = &bnapi->cp_ring;
233 __le64 *hw_stats = (__le64 *)cpr->hw_stats;
234 int k;
235
236 for (k = 0; k < stat_fields; j++, k++)
237 buf[j] = le64_to_cpu(hw_stats[k]);
238 buf[j++] = cpr->rx_l4_csum_errors;
239 }
240 if (bp->flags & BNXT_FLAG_PORT_STATS) {
241 __le64 *port_stats = (__le64 *)bp->hw_rx_port_stats;
242
243 for (i = 0; i < BNXT_NUM_PORT_STATS; i++, j++) {
244 buf[j] = le64_to_cpu(*(port_stats +
245 bnxt_port_stats_arr[i].offset));
246 }
247 }
248 }
249
250 static void bnxt_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
251 {
252 struct bnxt *bp = netdev_priv(dev);
253 u32 i;
254
255 switch (stringset) {
256 /* The number of strings must match BNXT_NUM_STATS defined above. */
257 case ETH_SS_STATS:
258 for (i = 0; i < bp->cp_nr_rings; i++) {
259 sprintf(buf, "[%d]: rx_ucast_packets", i);
260 buf += ETH_GSTRING_LEN;
261 sprintf(buf, "[%d]: rx_mcast_packets", i);
262 buf += ETH_GSTRING_LEN;
263 sprintf(buf, "[%d]: rx_bcast_packets", i);
264 buf += ETH_GSTRING_LEN;
265 sprintf(buf, "[%d]: rx_discards", i);
266 buf += ETH_GSTRING_LEN;
267 sprintf(buf, "[%d]: rx_drops", i);
268 buf += ETH_GSTRING_LEN;
269 sprintf(buf, "[%d]: rx_ucast_bytes", i);
270 buf += ETH_GSTRING_LEN;
271 sprintf(buf, "[%d]: rx_mcast_bytes", i);
272 buf += ETH_GSTRING_LEN;
273 sprintf(buf, "[%d]: rx_bcast_bytes", i);
274 buf += ETH_GSTRING_LEN;
275 sprintf(buf, "[%d]: tx_ucast_packets", i);
276 buf += ETH_GSTRING_LEN;
277 sprintf(buf, "[%d]: tx_mcast_packets", i);
278 buf += ETH_GSTRING_LEN;
279 sprintf(buf, "[%d]: tx_bcast_packets", i);
280 buf += ETH_GSTRING_LEN;
281 sprintf(buf, "[%d]: tx_discards", i);
282 buf += ETH_GSTRING_LEN;
283 sprintf(buf, "[%d]: tx_drops", i);
284 buf += ETH_GSTRING_LEN;
285 sprintf(buf, "[%d]: tx_ucast_bytes", i);
286 buf += ETH_GSTRING_LEN;
287 sprintf(buf, "[%d]: tx_mcast_bytes", i);
288 buf += ETH_GSTRING_LEN;
289 sprintf(buf, "[%d]: tx_bcast_bytes", i);
290 buf += ETH_GSTRING_LEN;
291 sprintf(buf, "[%d]: tpa_packets", i);
292 buf += ETH_GSTRING_LEN;
293 sprintf(buf, "[%d]: tpa_bytes", i);
294 buf += ETH_GSTRING_LEN;
295 sprintf(buf, "[%d]: tpa_events", i);
296 buf += ETH_GSTRING_LEN;
297 sprintf(buf, "[%d]: tpa_aborts", i);
298 buf += ETH_GSTRING_LEN;
299 sprintf(buf, "[%d]: rx_l4_csum_errors", i);
300 buf += ETH_GSTRING_LEN;
301 }
302 if (bp->flags & BNXT_FLAG_PORT_STATS) {
303 for (i = 0; i < BNXT_NUM_PORT_STATS; i++) {
304 strcpy(buf, bnxt_port_stats_arr[i].string);
305 buf += ETH_GSTRING_LEN;
306 }
307 }
308 break;
309 default:
310 netdev_err(bp->dev, "bnxt_get_strings invalid request %x\n",
311 stringset);
312 break;
313 }
314 }
315
316 static void bnxt_get_ringparam(struct net_device *dev,
317 struct ethtool_ringparam *ering)
318 {
319 struct bnxt *bp = netdev_priv(dev);
320
321 ering->rx_max_pending = BNXT_MAX_RX_DESC_CNT;
322 ering->rx_jumbo_max_pending = BNXT_MAX_RX_JUM_DESC_CNT;
323 ering->tx_max_pending = BNXT_MAX_TX_DESC_CNT;
324
325 ering->rx_pending = bp->rx_ring_size;
326 ering->rx_jumbo_pending = bp->rx_agg_ring_size;
327 ering->tx_pending = bp->tx_ring_size;
328 }
329
330 static int bnxt_set_ringparam(struct net_device *dev,
331 struct ethtool_ringparam *ering)
332 {
333 struct bnxt *bp = netdev_priv(dev);
334
335 if ((ering->rx_pending > BNXT_MAX_RX_DESC_CNT) ||
336 (ering->tx_pending > BNXT_MAX_TX_DESC_CNT) ||
337 (ering->tx_pending <= MAX_SKB_FRAGS))
338 return -EINVAL;
339
340 if (netif_running(dev))
341 bnxt_close_nic(bp, false, false);
342
343 bp->rx_ring_size = ering->rx_pending;
344 bp->tx_ring_size = ering->tx_pending;
345 bnxt_set_ring_params(bp);
346
347 if (netif_running(dev))
348 return bnxt_open_nic(bp, false, false);
349
350 return 0;
351 }
352
353 static void bnxt_get_channels(struct net_device *dev,
354 struct ethtool_channels *channel)
355 {
356 struct bnxt *bp = netdev_priv(dev);
357 int max_rx_rings, max_tx_rings, tcs;
358
359 bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, true);
360 channel->max_combined = min_t(int, max_rx_rings, max_tx_rings);
361
362 if (bnxt_get_max_rings(bp, &max_rx_rings, &max_tx_rings, false)) {
363 max_rx_rings = 0;
364 max_tx_rings = 0;
365 }
366
367 tcs = netdev_get_num_tc(dev);
368 if (tcs > 1)
369 max_tx_rings /= tcs;
370
371 channel->max_rx = max_rx_rings;
372 channel->max_tx = max_tx_rings;
373 channel->max_other = 0;
374 if (bp->flags & BNXT_FLAG_SHARED_RINGS) {
375 channel->combined_count = bp->rx_nr_rings;
376 if (BNXT_CHIP_TYPE_NITRO_A0(bp))
377 channel->combined_count--;
378 } else {
379 if (!BNXT_CHIP_TYPE_NITRO_A0(bp)) {
380 channel->rx_count = bp->rx_nr_rings;
381 channel->tx_count = bp->tx_nr_rings_per_tc;
382 }
383 }
384 }
385
386 static int bnxt_set_channels(struct net_device *dev,
387 struct ethtool_channels *channel)
388 {
389 struct bnxt *bp = netdev_priv(dev);
390 int req_tx_rings, req_rx_rings, tcs;
391 bool sh = false;
392 int tx_xdp = 0;
393 int rc = 0;
394
395 if (channel->other_count)
396 return -EINVAL;
397
398 if (!channel->combined_count &&
399 (!channel->rx_count || !channel->tx_count))
400 return -EINVAL;
401
402 if (channel->combined_count &&
403 (channel->rx_count || channel->tx_count))
404 return -EINVAL;
405
406 if (BNXT_CHIP_TYPE_NITRO_A0(bp) && (channel->rx_count ||
407 channel->tx_count))
408 return -EINVAL;
409
410 if (channel->combined_count)
411 sh = true;
412
413 tcs = netdev_get_num_tc(dev);
414
415 req_tx_rings = sh ? channel->combined_count : channel->tx_count;
416 req_rx_rings = sh ? channel->combined_count : channel->rx_count;
417 if (bp->tx_nr_rings_xdp) {
418 if (!sh) {
419 netdev_err(dev, "Only combined mode supported when XDP is enabled.\n");
420 return -EINVAL;
421 }
422 tx_xdp = req_rx_rings;
423 }
424 rc = bnxt_reserve_rings(bp, req_tx_rings, req_rx_rings, tcs, tx_xdp);
425 if (rc) {
426 netdev_warn(dev, "Unable to allocate the requested rings\n");
427 return rc;
428 }
429
430 if (netif_running(dev)) {
431 if (BNXT_PF(bp)) {
432 /* TODO CHIMP_FW: Send message to all VF's
433 * before PF unload
434 */
435 }
436 rc = bnxt_close_nic(bp, true, false);
437 if (rc) {
438 netdev_err(bp->dev, "Set channel failure rc :%x\n",
439 rc);
440 return rc;
441 }
442 }
443
444 if (sh) {
445 bp->flags |= BNXT_FLAG_SHARED_RINGS;
446 bp->rx_nr_rings = channel->combined_count;
447 bp->tx_nr_rings_per_tc = channel->combined_count;
448 } else {
449 bp->flags &= ~BNXT_FLAG_SHARED_RINGS;
450 bp->rx_nr_rings = channel->rx_count;
451 bp->tx_nr_rings_per_tc = channel->tx_count;
452 }
453 bp->tx_nr_rings_xdp = tx_xdp;
454 bp->tx_nr_rings = bp->tx_nr_rings_per_tc + tx_xdp;
455 if (tcs > 1)
456 bp->tx_nr_rings = bp->tx_nr_rings_per_tc * tcs + tx_xdp;
457
458 bp->cp_nr_rings = sh ? max_t(int, bp->tx_nr_rings, bp->rx_nr_rings) :
459 bp->tx_nr_rings + bp->rx_nr_rings;
460
461 bp->num_stat_ctxs = bp->cp_nr_rings;
462
463 /* After changing number of rx channels, update NTUPLE feature. */
464 netdev_update_features(dev);
465 if (netif_running(dev)) {
466 rc = bnxt_open_nic(bp, true, false);
467 if ((!rc) && BNXT_PF(bp)) {
468 /* TODO CHIMP_FW: Send message to all VF's
469 * to renable
470 */
471 }
472 }
473
474 return rc;
475 }
476
477 #ifdef CONFIG_RFS_ACCEL
478 static int bnxt_grxclsrlall(struct bnxt *bp, struct ethtool_rxnfc *cmd,
479 u32 *rule_locs)
480 {
481 int i, j = 0;
482
483 cmd->data = bp->ntp_fltr_count;
484 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
485 struct hlist_head *head;
486 struct bnxt_ntuple_filter *fltr;
487
488 head = &bp->ntp_fltr_hash_tbl[i];
489 rcu_read_lock();
490 hlist_for_each_entry_rcu(fltr, head, hash) {
491 if (j == cmd->rule_cnt)
492 break;
493 rule_locs[j++] = fltr->sw_id;
494 }
495 rcu_read_unlock();
496 if (j == cmd->rule_cnt)
497 break;
498 }
499 cmd->rule_cnt = j;
500 return 0;
501 }
502
503 static int bnxt_grxclsrule(struct bnxt *bp, struct ethtool_rxnfc *cmd)
504 {
505 struct ethtool_rx_flow_spec *fs =
506 (struct ethtool_rx_flow_spec *)&cmd->fs;
507 struct bnxt_ntuple_filter *fltr;
508 struct flow_keys *fkeys;
509 int i, rc = -EINVAL;
510
511 if (fs->location < 0 || fs->location >= BNXT_NTP_FLTR_MAX_FLTR)
512 return rc;
513
514 for (i = 0; i < BNXT_NTP_FLTR_HASH_SIZE; i++) {
515 struct hlist_head *head;
516
517 head = &bp->ntp_fltr_hash_tbl[i];
518 rcu_read_lock();
519 hlist_for_each_entry_rcu(fltr, head, hash) {
520 if (fltr->sw_id == fs->location)
521 goto fltr_found;
522 }
523 rcu_read_unlock();
524 }
525 return rc;
526
527 fltr_found:
528 fkeys = &fltr->fkeys;
529 if (fkeys->basic.n_proto == htons(ETH_P_IP)) {
530 if (fkeys->basic.ip_proto == IPPROTO_TCP)
531 fs->flow_type = TCP_V4_FLOW;
532 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
533 fs->flow_type = UDP_V4_FLOW;
534 else
535 goto fltr_err;
536
537 fs->h_u.tcp_ip4_spec.ip4src = fkeys->addrs.v4addrs.src;
538 fs->m_u.tcp_ip4_spec.ip4src = cpu_to_be32(~0);
539
540 fs->h_u.tcp_ip4_spec.ip4dst = fkeys->addrs.v4addrs.dst;
541 fs->m_u.tcp_ip4_spec.ip4dst = cpu_to_be32(~0);
542
543 fs->h_u.tcp_ip4_spec.psrc = fkeys->ports.src;
544 fs->m_u.tcp_ip4_spec.psrc = cpu_to_be16(~0);
545
546 fs->h_u.tcp_ip4_spec.pdst = fkeys->ports.dst;
547 fs->m_u.tcp_ip4_spec.pdst = cpu_to_be16(~0);
548 } else {
549 int i;
550
551 if (fkeys->basic.ip_proto == IPPROTO_TCP)
552 fs->flow_type = TCP_V6_FLOW;
553 else if (fkeys->basic.ip_proto == IPPROTO_UDP)
554 fs->flow_type = UDP_V6_FLOW;
555 else
556 goto fltr_err;
557
558 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6src[0] =
559 fkeys->addrs.v6addrs.src;
560 *(struct in6_addr *)&fs->h_u.tcp_ip6_spec.ip6dst[0] =
561 fkeys->addrs.v6addrs.dst;
562 for (i = 0; i < 4; i++) {
563 fs->m_u.tcp_ip6_spec.ip6src[i] = cpu_to_be32(~0);
564 fs->m_u.tcp_ip6_spec.ip6dst[i] = cpu_to_be32(~0);
565 }
566 fs->h_u.tcp_ip6_spec.psrc = fkeys->ports.src;
567 fs->m_u.tcp_ip6_spec.psrc = cpu_to_be16(~0);
568
569 fs->h_u.tcp_ip6_spec.pdst = fkeys->ports.dst;
570 fs->m_u.tcp_ip6_spec.pdst = cpu_to_be16(~0);
571 }
572
573 fs->ring_cookie = fltr->rxq;
574 rc = 0;
575
576 fltr_err:
577 rcu_read_unlock();
578
579 return rc;
580 }
581 #endif
582
583 static u64 get_ethtool_ipv4_rss(struct bnxt *bp)
584 {
585 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4)
586 return RXH_IP_SRC | RXH_IP_DST;
587 return 0;
588 }
589
590 static u64 get_ethtool_ipv6_rss(struct bnxt *bp)
591 {
592 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6)
593 return RXH_IP_SRC | RXH_IP_DST;
594 return 0;
595 }
596
597 static int bnxt_grxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
598 {
599 cmd->data = 0;
600 switch (cmd->flow_type) {
601 case TCP_V4_FLOW:
602 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4)
603 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
604 RXH_L4_B_0_1 | RXH_L4_B_2_3;
605 cmd->data |= get_ethtool_ipv4_rss(bp);
606 break;
607 case UDP_V4_FLOW:
608 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4)
609 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
610 RXH_L4_B_0_1 | RXH_L4_B_2_3;
611 /* fall through */
612 case SCTP_V4_FLOW:
613 case AH_ESP_V4_FLOW:
614 case AH_V4_FLOW:
615 case ESP_V4_FLOW:
616 case IPV4_FLOW:
617 cmd->data |= get_ethtool_ipv4_rss(bp);
618 break;
619
620 case TCP_V6_FLOW:
621 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6)
622 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
623 RXH_L4_B_0_1 | RXH_L4_B_2_3;
624 cmd->data |= get_ethtool_ipv6_rss(bp);
625 break;
626 case UDP_V6_FLOW:
627 if (bp->rss_hash_cfg & VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6)
628 cmd->data |= RXH_IP_SRC | RXH_IP_DST |
629 RXH_L4_B_0_1 | RXH_L4_B_2_3;
630 /* fall through */
631 case SCTP_V6_FLOW:
632 case AH_ESP_V6_FLOW:
633 case AH_V6_FLOW:
634 case ESP_V6_FLOW:
635 case IPV6_FLOW:
636 cmd->data |= get_ethtool_ipv6_rss(bp);
637 break;
638 }
639 return 0;
640 }
641
642 #define RXH_4TUPLE (RXH_IP_SRC | RXH_IP_DST | RXH_L4_B_0_1 | RXH_L4_B_2_3)
643 #define RXH_2TUPLE (RXH_IP_SRC | RXH_IP_DST)
644
645 static int bnxt_srxfh(struct bnxt *bp, struct ethtool_rxnfc *cmd)
646 {
647 u32 rss_hash_cfg = bp->rss_hash_cfg;
648 int tuple, rc = 0;
649
650 if (cmd->data == RXH_4TUPLE)
651 tuple = 4;
652 else if (cmd->data == RXH_2TUPLE)
653 tuple = 2;
654 else if (!cmd->data)
655 tuple = 0;
656 else
657 return -EINVAL;
658
659 if (cmd->flow_type == TCP_V4_FLOW) {
660 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
661 if (tuple == 4)
662 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV4;
663 } else if (cmd->flow_type == UDP_V4_FLOW) {
664 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
665 return -EINVAL;
666 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
667 if (tuple == 4)
668 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV4;
669 } else if (cmd->flow_type == TCP_V6_FLOW) {
670 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
671 if (tuple == 4)
672 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_TCP_IPV6;
673 } else if (cmd->flow_type == UDP_V6_FLOW) {
674 if (tuple == 4 && !(bp->flags & BNXT_FLAG_UDP_RSS_CAP))
675 return -EINVAL;
676 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
677 if (tuple == 4)
678 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_UDP_IPV6;
679 } else if (tuple == 4) {
680 return -EINVAL;
681 }
682
683 switch (cmd->flow_type) {
684 case TCP_V4_FLOW:
685 case UDP_V4_FLOW:
686 case SCTP_V4_FLOW:
687 case AH_ESP_V4_FLOW:
688 case AH_V4_FLOW:
689 case ESP_V4_FLOW:
690 case IPV4_FLOW:
691 if (tuple == 2)
692 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
693 else if (!tuple)
694 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV4;
695 break;
696
697 case TCP_V6_FLOW:
698 case UDP_V6_FLOW:
699 case SCTP_V6_FLOW:
700 case AH_ESP_V6_FLOW:
701 case AH_V6_FLOW:
702 case ESP_V6_FLOW:
703 case IPV6_FLOW:
704 if (tuple == 2)
705 rss_hash_cfg |= VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
706 else if (!tuple)
707 rss_hash_cfg &= ~VNIC_RSS_CFG_REQ_HASH_TYPE_IPV6;
708 break;
709 }
710
711 if (bp->rss_hash_cfg == rss_hash_cfg)
712 return 0;
713
714 bp->rss_hash_cfg = rss_hash_cfg;
715 if (netif_running(bp->dev)) {
716 bnxt_close_nic(bp, false, false);
717 rc = bnxt_open_nic(bp, false, false);
718 }
719 return rc;
720 }
721
722 static int bnxt_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd,
723 u32 *rule_locs)
724 {
725 struct bnxt *bp = netdev_priv(dev);
726 int rc = 0;
727
728 switch (cmd->cmd) {
729 #ifdef CONFIG_RFS_ACCEL
730 case ETHTOOL_GRXRINGS:
731 cmd->data = bp->rx_nr_rings;
732 break;
733
734 case ETHTOOL_GRXCLSRLCNT:
735 cmd->rule_cnt = bp->ntp_fltr_count;
736 cmd->data = BNXT_NTP_FLTR_MAX_FLTR;
737 break;
738
739 case ETHTOOL_GRXCLSRLALL:
740 rc = bnxt_grxclsrlall(bp, cmd, (u32 *)rule_locs);
741 break;
742
743 case ETHTOOL_GRXCLSRULE:
744 rc = bnxt_grxclsrule(bp, cmd);
745 break;
746 #endif
747
748 case ETHTOOL_GRXFH:
749 rc = bnxt_grxfh(bp, cmd);
750 break;
751
752 default:
753 rc = -EOPNOTSUPP;
754 break;
755 }
756
757 return rc;
758 }
759
760 static int bnxt_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *cmd)
761 {
762 struct bnxt *bp = netdev_priv(dev);
763 int rc;
764
765 switch (cmd->cmd) {
766 case ETHTOOL_SRXFH:
767 rc = bnxt_srxfh(bp, cmd);
768 break;
769
770 default:
771 rc = -EOPNOTSUPP;
772 break;
773 }
774 return rc;
775 }
776
777 static u32 bnxt_get_rxfh_indir_size(struct net_device *dev)
778 {
779 return HW_HASH_INDEX_SIZE;
780 }
781
782 static u32 bnxt_get_rxfh_key_size(struct net_device *dev)
783 {
784 return HW_HASH_KEY_SIZE;
785 }
786
787 static int bnxt_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
788 u8 *hfunc)
789 {
790 struct bnxt *bp = netdev_priv(dev);
791 struct bnxt_vnic_info *vnic = &bp->vnic_info[0];
792 int i = 0;
793
794 if (hfunc)
795 *hfunc = ETH_RSS_HASH_TOP;
796
797 if (indir)
798 for (i = 0; i < HW_HASH_INDEX_SIZE; i++)
799 indir[i] = le16_to_cpu(vnic->rss_table[i]);
800
801 if (key)
802 memcpy(key, vnic->rss_hash_key, HW_HASH_KEY_SIZE);
803
804 return 0;
805 }
806
807 static void bnxt_get_drvinfo(struct net_device *dev,
808 struct ethtool_drvinfo *info)
809 {
810 struct bnxt *bp = netdev_priv(dev);
811 char *pkglog;
812 char *pkgver = NULL;
813
814 pkglog = kmalloc(BNX_PKG_LOG_MAX_LENGTH, GFP_KERNEL);
815 if (pkglog)
816 pkgver = bnxt_get_pkgver(dev, pkglog, BNX_PKG_LOG_MAX_LENGTH);
817 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
818 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
819 if (pkgver && *pkgver != 0 && isdigit(*pkgver))
820 snprintf(info->fw_version, sizeof(info->fw_version) - 1,
821 "%s pkg %s", bp->fw_ver_str, pkgver);
822 else
823 strlcpy(info->fw_version, bp->fw_ver_str,
824 sizeof(info->fw_version));
825 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
826 info->n_stats = BNXT_NUM_STATS * bp->cp_nr_rings;
827 info->testinfo_len = BNXT_NUM_TESTS(bp);
828 /* TODO CHIMP_FW: eeprom dump details */
829 info->eedump_len = 0;
830 /* TODO CHIMP FW: reg dump details */
831 info->regdump_len = 0;
832 kfree(pkglog);
833 }
834
835 u32 _bnxt_fw_to_ethtool_adv_spds(u16 fw_speeds, u8 fw_pause)
836 {
837 u32 speed_mask = 0;
838
839 /* TODO: support 25GB, 40GB, 50GB with different cable type */
840 /* set the advertised speeds */
841 if (fw_speeds & BNXT_LINK_SPEED_MSK_100MB)
842 speed_mask |= ADVERTISED_100baseT_Full;
843 if (fw_speeds & BNXT_LINK_SPEED_MSK_1GB)
844 speed_mask |= ADVERTISED_1000baseT_Full;
845 if (fw_speeds & BNXT_LINK_SPEED_MSK_2_5GB)
846 speed_mask |= ADVERTISED_2500baseX_Full;
847 if (fw_speeds & BNXT_LINK_SPEED_MSK_10GB)
848 speed_mask |= ADVERTISED_10000baseT_Full;
849 if (fw_speeds & BNXT_LINK_SPEED_MSK_40GB)
850 speed_mask |= ADVERTISED_40000baseCR4_Full;
851
852 if ((fw_pause & BNXT_LINK_PAUSE_BOTH) == BNXT_LINK_PAUSE_BOTH)
853 speed_mask |= ADVERTISED_Pause;
854 else if (fw_pause & BNXT_LINK_PAUSE_TX)
855 speed_mask |= ADVERTISED_Asym_Pause;
856 else if (fw_pause & BNXT_LINK_PAUSE_RX)
857 speed_mask |= ADVERTISED_Pause | ADVERTISED_Asym_Pause;
858
859 return speed_mask;
860 }
861
862 #define BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, name)\
863 { \
864 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_100MB) \
865 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
866 100baseT_Full); \
867 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_1GB) \
868 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
869 1000baseT_Full); \
870 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_10GB) \
871 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
872 10000baseT_Full); \
873 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_25GB) \
874 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
875 25000baseCR_Full); \
876 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_40GB) \
877 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
878 40000baseCR4_Full);\
879 if ((fw_speeds) & BNXT_LINK_SPEED_MSK_50GB) \
880 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
881 50000baseCR2_Full);\
882 if ((fw_pause) & BNXT_LINK_PAUSE_RX) { \
883 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
884 Pause); \
885 if (!((fw_pause) & BNXT_LINK_PAUSE_TX)) \
886 ethtool_link_ksettings_add_link_mode( \
887 lk_ksettings, name, Asym_Pause);\
888 } else if ((fw_pause) & BNXT_LINK_PAUSE_TX) { \
889 ethtool_link_ksettings_add_link_mode(lk_ksettings, name,\
890 Asym_Pause); \
891 } \
892 }
893
894 #define BNXT_ETHTOOL_TO_FW_SPDS(fw_speeds, lk_ksettings, name) \
895 { \
896 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
897 100baseT_Full) || \
898 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
899 100baseT_Half)) \
900 (fw_speeds) |= BNXT_LINK_SPEED_MSK_100MB; \
901 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
902 1000baseT_Full) || \
903 ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
904 1000baseT_Half)) \
905 (fw_speeds) |= BNXT_LINK_SPEED_MSK_1GB; \
906 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
907 10000baseT_Full)) \
908 (fw_speeds) |= BNXT_LINK_SPEED_MSK_10GB; \
909 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
910 25000baseCR_Full)) \
911 (fw_speeds) |= BNXT_LINK_SPEED_MSK_25GB; \
912 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
913 40000baseCR4_Full)) \
914 (fw_speeds) |= BNXT_LINK_SPEED_MSK_40GB; \
915 if (ethtool_link_ksettings_test_link_mode(lk_ksettings, name, \
916 50000baseCR2_Full)) \
917 (fw_speeds) |= BNXT_LINK_SPEED_MSK_50GB; \
918 }
919
920 static void bnxt_fw_to_ethtool_advertised_spds(struct bnxt_link_info *link_info,
921 struct ethtool_link_ksettings *lk_ksettings)
922 {
923 u16 fw_speeds = link_info->advertising;
924 u8 fw_pause = 0;
925
926 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
927 fw_pause = link_info->auto_pause_setting;
928
929 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings, advertising);
930 }
931
932 static void bnxt_fw_to_ethtool_lp_adv(struct bnxt_link_info *link_info,
933 struct ethtool_link_ksettings *lk_ksettings)
934 {
935 u16 fw_speeds = link_info->lp_auto_link_speeds;
936 u8 fw_pause = 0;
937
938 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
939 fw_pause = link_info->lp_pause;
940
941 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, fw_pause, lk_ksettings,
942 lp_advertising);
943 }
944
945 static void bnxt_fw_to_ethtool_support_spds(struct bnxt_link_info *link_info,
946 struct ethtool_link_ksettings *lk_ksettings)
947 {
948 u16 fw_speeds = link_info->support_speeds;
949
950 BNXT_FW_TO_ETHTOOL_SPDS(fw_speeds, 0, lk_ksettings, supported);
951
952 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported, Pause);
953 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
954 Asym_Pause);
955
956 if (link_info->support_auto_speeds)
957 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
958 Autoneg);
959 }
960
961 u32 bnxt_fw_to_ethtool_speed(u16 fw_link_speed)
962 {
963 switch (fw_link_speed) {
964 case BNXT_LINK_SPEED_100MB:
965 return SPEED_100;
966 case BNXT_LINK_SPEED_1GB:
967 return SPEED_1000;
968 case BNXT_LINK_SPEED_2_5GB:
969 return SPEED_2500;
970 case BNXT_LINK_SPEED_10GB:
971 return SPEED_10000;
972 case BNXT_LINK_SPEED_20GB:
973 return SPEED_20000;
974 case BNXT_LINK_SPEED_25GB:
975 return SPEED_25000;
976 case BNXT_LINK_SPEED_40GB:
977 return SPEED_40000;
978 case BNXT_LINK_SPEED_50GB:
979 return SPEED_50000;
980 default:
981 return SPEED_UNKNOWN;
982 }
983 }
984
985 static int bnxt_get_link_ksettings(struct net_device *dev,
986 struct ethtool_link_ksettings *lk_ksettings)
987 {
988 struct bnxt *bp = netdev_priv(dev);
989 struct bnxt_link_info *link_info = &bp->link_info;
990 struct ethtool_link_settings *base = &lk_ksettings->base;
991 u32 ethtool_speed;
992
993 ethtool_link_ksettings_zero_link_mode(lk_ksettings, supported);
994 bnxt_fw_to_ethtool_support_spds(link_info, lk_ksettings);
995
996 ethtool_link_ksettings_zero_link_mode(lk_ksettings, advertising);
997 if (link_info->autoneg) {
998 bnxt_fw_to_ethtool_advertised_spds(link_info, lk_ksettings);
999 ethtool_link_ksettings_add_link_mode(lk_ksettings,
1000 advertising, Autoneg);
1001 base->autoneg = AUTONEG_ENABLE;
1002 if (link_info->phy_link_status == BNXT_LINK_LINK)
1003 bnxt_fw_to_ethtool_lp_adv(link_info, lk_ksettings);
1004 ethtool_speed = bnxt_fw_to_ethtool_speed(link_info->link_speed);
1005 if (!netif_carrier_ok(dev))
1006 base->duplex = DUPLEX_UNKNOWN;
1007 else if (link_info->duplex & BNXT_LINK_DUPLEX_FULL)
1008 base->duplex = DUPLEX_FULL;
1009 else
1010 base->duplex = DUPLEX_HALF;
1011 } else {
1012 base->autoneg = AUTONEG_DISABLE;
1013 ethtool_speed =
1014 bnxt_fw_to_ethtool_speed(link_info->req_link_speed);
1015 base->duplex = DUPLEX_HALF;
1016 if (link_info->req_duplex == BNXT_LINK_DUPLEX_FULL)
1017 base->duplex = DUPLEX_FULL;
1018 }
1019 base->speed = ethtool_speed;
1020
1021 base->port = PORT_NONE;
1022 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1023 base->port = PORT_TP;
1024 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1025 TP);
1026 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1027 TP);
1028 } else {
1029 ethtool_link_ksettings_add_link_mode(lk_ksettings, supported,
1030 FIBRE);
1031 ethtool_link_ksettings_add_link_mode(lk_ksettings, advertising,
1032 FIBRE);
1033
1034 if (link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_DAC)
1035 base->port = PORT_DA;
1036 else if (link_info->media_type ==
1037 PORT_PHY_QCFG_RESP_MEDIA_TYPE_FIBRE)
1038 base->port = PORT_FIBRE;
1039 }
1040 base->phy_address = link_info->phy_addr;
1041
1042 return 0;
1043 }
1044
1045 static u32 bnxt_get_fw_speed(struct net_device *dev, u16 ethtool_speed)
1046 {
1047 struct bnxt *bp = netdev_priv(dev);
1048 struct bnxt_link_info *link_info = &bp->link_info;
1049 u16 support_spds = link_info->support_speeds;
1050 u32 fw_speed = 0;
1051
1052 switch (ethtool_speed) {
1053 case SPEED_100:
1054 if (support_spds & BNXT_LINK_SPEED_MSK_100MB)
1055 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_100MB;
1056 break;
1057 case SPEED_1000:
1058 if (support_spds & BNXT_LINK_SPEED_MSK_1GB)
1059 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_1GB;
1060 break;
1061 case SPEED_2500:
1062 if (support_spds & BNXT_LINK_SPEED_MSK_2_5GB)
1063 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_2_5GB;
1064 break;
1065 case SPEED_10000:
1066 if (support_spds & BNXT_LINK_SPEED_MSK_10GB)
1067 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_10GB;
1068 break;
1069 case SPEED_20000:
1070 if (support_spds & BNXT_LINK_SPEED_MSK_20GB)
1071 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_20GB;
1072 break;
1073 case SPEED_25000:
1074 if (support_spds & BNXT_LINK_SPEED_MSK_25GB)
1075 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_25GB;
1076 break;
1077 case SPEED_40000:
1078 if (support_spds & BNXT_LINK_SPEED_MSK_40GB)
1079 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_40GB;
1080 break;
1081 case SPEED_50000:
1082 if (support_spds & BNXT_LINK_SPEED_MSK_50GB)
1083 fw_speed = PORT_PHY_CFG_REQ_AUTO_LINK_SPEED_50GB;
1084 break;
1085 default:
1086 netdev_err(dev, "unsupported speed!\n");
1087 break;
1088 }
1089 return fw_speed;
1090 }
1091
1092 u16 bnxt_get_fw_auto_link_speeds(u32 advertising)
1093 {
1094 u16 fw_speed_mask = 0;
1095
1096 /* only support autoneg at speed 100, 1000, and 10000 */
1097 if (advertising & (ADVERTISED_100baseT_Full |
1098 ADVERTISED_100baseT_Half)) {
1099 fw_speed_mask |= BNXT_LINK_SPEED_MSK_100MB;
1100 }
1101 if (advertising & (ADVERTISED_1000baseT_Full |
1102 ADVERTISED_1000baseT_Half)) {
1103 fw_speed_mask |= BNXT_LINK_SPEED_MSK_1GB;
1104 }
1105 if (advertising & ADVERTISED_10000baseT_Full)
1106 fw_speed_mask |= BNXT_LINK_SPEED_MSK_10GB;
1107
1108 if (advertising & ADVERTISED_40000baseCR4_Full)
1109 fw_speed_mask |= BNXT_LINK_SPEED_MSK_40GB;
1110
1111 return fw_speed_mask;
1112 }
1113
1114 static int bnxt_set_link_ksettings(struct net_device *dev,
1115 const struct ethtool_link_ksettings *lk_ksettings)
1116 {
1117 struct bnxt *bp = netdev_priv(dev);
1118 struct bnxt_link_info *link_info = &bp->link_info;
1119 const struct ethtool_link_settings *base = &lk_ksettings->base;
1120 bool set_pause = false;
1121 u16 fw_advertising = 0;
1122 u32 speed;
1123 int rc = 0;
1124
1125 if (!BNXT_SINGLE_PF(bp))
1126 return -EOPNOTSUPP;
1127
1128 if (base->autoneg == AUTONEG_ENABLE) {
1129 BNXT_ETHTOOL_TO_FW_SPDS(fw_advertising, lk_ksettings,
1130 advertising);
1131 link_info->autoneg |= BNXT_AUTONEG_SPEED;
1132 if (!fw_advertising)
1133 link_info->advertising = link_info->support_auto_speeds;
1134 else
1135 link_info->advertising = fw_advertising;
1136 /* any change to autoneg will cause link change, therefore the
1137 * driver should put back the original pause setting in autoneg
1138 */
1139 set_pause = true;
1140 } else {
1141 u16 fw_speed;
1142 u8 phy_type = link_info->phy_type;
1143
1144 if (phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASET ||
1145 phy_type == PORT_PHY_QCFG_RESP_PHY_TYPE_BASETE ||
1146 link_info->media_type == PORT_PHY_QCFG_RESP_MEDIA_TYPE_TP) {
1147 netdev_err(dev, "10GBase-T devices must autoneg\n");
1148 rc = -EINVAL;
1149 goto set_setting_exit;
1150 }
1151 if (base->duplex == DUPLEX_HALF) {
1152 netdev_err(dev, "HALF DUPLEX is not supported!\n");
1153 rc = -EINVAL;
1154 goto set_setting_exit;
1155 }
1156 speed = base->speed;
1157 fw_speed = bnxt_get_fw_speed(dev, speed);
1158 if (!fw_speed) {
1159 rc = -EINVAL;
1160 goto set_setting_exit;
1161 }
1162 link_info->req_link_speed = fw_speed;
1163 link_info->req_duplex = BNXT_LINK_DUPLEX_FULL;
1164 link_info->autoneg = 0;
1165 link_info->advertising = 0;
1166 }
1167
1168 if (netif_running(dev))
1169 rc = bnxt_hwrm_set_link_setting(bp, set_pause, false);
1170
1171 set_setting_exit:
1172 return rc;
1173 }
1174
1175 static void bnxt_get_pauseparam(struct net_device *dev,
1176 struct ethtool_pauseparam *epause)
1177 {
1178 struct bnxt *bp = netdev_priv(dev);
1179 struct bnxt_link_info *link_info = &bp->link_info;
1180
1181 if (BNXT_VF(bp))
1182 return;
1183 epause->autoneg = !!(link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL);
1184 epause->rx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_RX);
1185 epause->tx_pause = !!(link_info->req_flow_ctrl & BNXT_LINK_PAUSE_TX);
1186 }
1187
1188 static int bnxt_set_pauseparam(struct net_device *dev,
1189 struct ethtool_pauseparam *epause)
1190 {
1191 int rc = 0;
1192 struct bnxt *bp = netdev_priv(dev);
1193 struct bnxt_link_info *link_info = &bp->link_info;
1194
1195 if (!BNXT_SINGLE_PF(bp))
1196 return -EOPNOTSUPP;
1197
1198 if (epause->autoneg) {
1199 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
1200 return -EINVAL;
1201
1202 link_info->autoneg |= BNXT_AUTONEG_FLOW_CTRL;
1203 if (bp->hwrm_spec_code >= 0x10201)
1204 link_info->req_flow_ctrl =
1205 PORT_PHY_CFG_REQ_AUTO_PAUSE_AUTONEG_PAUSE;
1206 } else {
1207 /* when transition from auto pause to force pause,
1208 * force a link change
1209 */
1210 if (link_info->autoneg & BNXT_AUTONEG_FLOW_CTRL)
1211 link_info->force_link_chng = true;
1212 link_info->autoneg &= ~BNXT_AUTONEG_FLOW_CTRL;
1213 link_info->req_flow_ctrl = 0;
1214 }
1215 if (epause->rx_pause)
1216 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_RX;
1217
1218 if (epause->tx_pause)
1219 link_info->req_flow_ctrl |= BNXT_LINK_PAUSE_TX;
1220
1221 if (netif_running(dev))
1222 rc = bnxt_hwrm_set_pause(bp);
1223 return rc;
1224 }
1225
1226 static u32 bnxt_get_link(struct net_device *dev)
1227 {
1228 struct bnxt *bp = netdev_priv(dev);
1229
1230 /* TODO: handle MF, VF, driver close case */
1231 return bp->link_info.link_up;
1232 }
1233
1234 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1235 u16 ext, u16 *index, u32 *item_length,
1236 u32 *data_length);
1237
1238 static int bnxt_flash_nvram(struct net_device *dev,
1239 u16 dir_type,
1240 u16 dir_ordinal,
1241 u16 dir_ext,
1242 u16 dir_attr,
1243 const u8 *data,
1244 size_t data_len)
1245 {
1246 struct bnxt *bp = netdev_priv(dev);
1247 int rc;
1248 struct hwrm_nvm_write_input req = {0};
1249 dma_addr_t dma_handle;
1250 u8 *kmem;
1251
1252 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_WRITE, -1, -1);
1253
1254 req.dir_type = cpu_to_le16(dir_type);
1255 req.dir_ordinal = cpu_to_le16(dir_ordinal);
1256 req.dir_ext = cpu_to_le16(dir_ext);
1257 req.dir_attr = cpu_to_le16(dir_attr);
1258 req.dir_data_length = cpu_to_le32(data_len);
1259
1260 kmem = dma_alloc_coherent(&bp->pdev->dev, data_len, &dma_handle,
1261 GFP_KERNEL);
1262 if (!kmem) {
1263 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1264 (unsigned)data_len);
1265 return -ENOMEM;
1266 }
1267 memcpy(kmem, data, data_len);
1268 req.host_src_addr = cpu_to_le64(dma_handle);
1269
1270 rc = hwrm_send_message(bp, &req, sizeof(req), FLASH_NVRAM_TIMEOUT);
1271 dma_free_coherent(&bp->pdev->dev, data_len, kmem, dma_handle);
1272
1273 return rc;
1274 }
1275
1276 static int bnxt_firmware_reset(struct net_device *dev,
1277 u16 dir_type)
1278 {
1279 struct bnxt *bp = netdev_priv(dev);
1280 struct hwrm_fw_reset_input req = {0};
1281
1282 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_FW_RESET, -1, -1);
1283
1284 /* TODO: Support ASAP ChiMP self-reset (e.g. upon PF driver unload) */
1285 /* TODO: Address self-reset of APE/KONG/BONO/TANG or ungraceful reset */
1286 /* (e.g. when firmware isn't already running) */
1287 switch (dir_type) {
1288 case BNX_DIR_TYPE_CHIMP_PATCH:
1289 case BNX_DIR_TYPE_BOOTCODE:
1290 case BNX_DIR_TYPE_BOOTCODE_2:
1291 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_BOOT;
1292 /* Self-reset ChiMP upon next PCIe reset: */
1293 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1294 break;
1295 case BNX_DIR_TYPE_APE_FW:
1296 case BNX_DIR_TYPE_APE_PATCH:
1297 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_MGMT;
1298 /* Self-reset APE upon next PCIe reset: */
1299 req.selfrst_status = FW_RESET_REQ_SELFRST_STATUS_SELFRSTPCIERST;
1300 break;
1301 case BNX_DIR_TYPE_KONG_FW:
1302 case BNX_DIR_TYPE_KONG_PATCH:
1303 req.embedded_proc_type =
1304 FW_RESET_REQ_EMBEDDED_PROC_TYPE_NETCTRL;
1305 break;
1306 case BNX_DIR_TYPE_BONO_FW:
1307 case BNX_DIR_TYPE_BONO_PATCH:
1308 req.embedded_proc_type = FW_RESET_REQ_EMBEDDED_PROC_TYPE_ROCE;
1309 break;
1310 default:
1311 return -EINVAL;
1312 }
1313
1314 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1315 }
1316
1317 static int bnxt_flash_firmware(struct net_device *dev,
1318 u16 dir_type,
1319 const u8 *fw_data,
1320 size_t fw_size)
1321 {
1322 int rc = 0;
1323 u16 code_type;
1324 u32 stored_crc;
1325 u32 calculated_crc;
1326 struct bnxt_fw_header *header = (struct bnxt_fw_header *)fw_data;
1327
1328 switch (dir_type) {
1329 case BNX_DIR_TYPE_BOOTCODE:
1330 case BNX_DIR_TYPE_BOOTCODE_2:
1331 code_type = CODE_BOOT;
1332 break;
1333 case BNX_DIR_TYPE_CHIMP_PATCH:
1334 code_type = CODE_CHIMP_PATCH;
1335 break;
1336 case BNX_DIR_TYPE_APE_FW:
1337 code_type = CODE_MCTP_PASSTHRU;
1338 break;
1339 case BNX_DIR_TYPE_APE_PATCH:
1340 code_type = CODE_APE_PATCH;
1341 break;
1342 case BNX_DIR_TYPE_KONG_FW:
1343 code_type = CODE_KONG_FW;
1344 break;
1345 case BNX_DIR_TYPE_KONG_PATCH:
1346 code_type = CODE_KONG_PATCH;
1347 break;
1348 case BNX_DIR_TYPE_BONO_FW:
1349 code_type = CODE_BONO_FW;
1350 break;
1351 case BNX_DIR_TYPE_BONO_PATCH:
1352 code_type = CODE_BONO_PATCH;
1353 break;
1354 default:
1355 netdev_err(dev, "Unsupported directory entry type: %u\n",
1356 dir_type);
1357 return -EINVAL;
1358 }
1359 if (fw_size < sizeof(struct bnxt_fw_header)) {
1360 netdev_err(dev, "Invalid firmware file size: %u\n",
1361 (unsigned int)fw_size);
1362 return -EINVAL;
1363 }
1364 if (header->signature != cpu_to_le32(BNXT_FIRMWARE_BIN_SIGNATURE)) {
1365 netdev_err(dev, "Invalid firmware signature: %08X\n",
1366 le32_to_cpu(header->signature));
1367 return -EINVAL;
1368 }
1369 if (header->code_type != code_type) {
1370 netdev_err(dev, "Expected firmware type: %d, read: %d\n",
1371 code_type, header->code_type);
1372 return -EINVAL;
1373 }
1374 if (header->device != DEVICE_CUMULUS_FAMILY) {
1375 netdev_err(dev, "Expected firmware device family %d, read: %d\n",
1376 DEVICE_CUMULUS_FAMILY, header->device);
1377 return -EINVAL;
1378 }
1379 /* Confirm the CRC32 checksum of the file: */
1380 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1381 sizeof(stored_crc)));
1382 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1383 if (calculated_crc != stored_crc) {
1384 netdev_err(dev, "Firmware file CRC32 checksum (%08lX) does not match calculated checksum (%08lX)\n",
1385 (unsigned long)stored_crc,
1386 (unsigned long)calculated_crc);
1387 return -EINVAL;
1388 }
1389 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1390 0, 0, fw_data, fw_size);
1391 if (rc == 0) /* Firmware update successful */
1392 rc = bnxt_firmware_reset(dev, dir_type);
1393
1394 return rc;
1395 }
1396
1397 static int bnxt_flash_microcode(struct net_device *dev,
1398 u16 dir_type,
1399 const u8 *fw_data,
1400 size_t fw_size)
1401 {
1402 struct bnxt_ucode_trailer *trailer;
1403 u32 calculated_crc;
1404 u32 stored_crc;
1405 int rc = 0;
1406
1407 if (fw_size < sizeof(struct bnxt_ucode_trailer)) {
1408 netdev_err(dev, "Invalid microcode file size: %u\n",
1409 (unsigned int)fw_size);
1410 return -EINVAL;
1411 }
1412 trailer = (struct bnxt_ucode_trailer *)(fw_data + (fw_size -
1413 sizeof(*trailer)));
1414 if (trailer->sig != cpu_to_le32(BNXT_UCODE_TRAILER_SIGNATURE)) {
1415 netdev_err(dev, "Invalid microcode trailer signature: %08X\n",
1416 le32_to_cpu(trailer->sig));
1417 return -EINVAL;
1418 }
1419 if (le16_to_cpu(trailer->dir_type) != dir_type) {
1420 netdev_err(dev, "Expected microcode type: %d, read: %d\n",
1421 dir_type, le16_to_cpu(trailer->dir_type));
1422 return -EINVAL;
1423 }
1424 if (le16_to_cpu(trailer->trailer_length) <
1425 sizeof(struct bnxt_ucode_trailer)) {
1426 netdev_err(dev, "Invalid microcode trailer length: %d\n",
1427 le16_to_cpu(trailer->trailer_length));
1428 return -EINVAL;
1429 }
1430
1431 /* Confirm the CRC32 checksum of the file: */
1432 stored_crc = le32_to_cpu(*(__le32 *)(fw_data + fw_size -
1433 sizeof(stored_crc)));
1434 calculated_crc = ~crc32(~0, fw_data, fw_size - sizeof(stored_crc));
1435 if (calculated_crc != stored_crc) {
1436 netdev_err(dev,
1437 "CRC32 (%08lX) does not match calculated: %08lX\n",
1438 (unsigned long)stored_crc,
1439 (unsigned long)calculated_crc);
1440 return -EINVAL;
1441 }
1442 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1443 0, 0, fw_data, fw_size);
1444
1445 return rc;
1446 }
1447
1448 static bool bnxt_dir_type_is_ape_bin_format(u16 dir_type)
1449 {
1450 switch (dir_type) {
1451 case BNX_DIR_TYPE_CHIMP_PATCH:
1452 case BNX_DIR_TYPE_BOOTCODE:
1453 case BNX_DIR_TYPE_BOOTCODE_2:
1454 case BNX_DIR_TYPE_APE_FW:
1455 case BNX_DIR_TYPE_APE_PATCH:
1456 case BNX_DIR_TYPE_KONG_FW:
1457 case BNX_DIR_TYPE_KONG_PATCH:
1458 case BNX_DIR_TYPE_BONO_FW:
1459 case BNX_DIR_TYPE_BONO_PATCH:
1460 return true;
1461 }
1462
1463 return false;
1464 }
1465
1466 static bool bnxt_dir_type_is_other_exec_format(u16 dir_type)
1467 {
1468 switch (dir_type) {
1469 case BNX_DIR_TYPE_AVS:
1470 case BNX_DIR_TYPE_EXP_ROM_MBA:
1471 case BNX_DIR_TYPE_PCIE:
1472 case BNX_DIR_TYPE_TSCF_UCODE:
1473 case BNX_DIR_TYPE_EXT_PHY:
1474 case BNX_DIR_TYPE_CCM:
1475 case BNX_DIR_TYPE_ISCSI_BOOT:
1476 case BNX_DIR_TYPE_ISCSI_BOOT_IPV6:
1477 case BNX_DIR_TYPE_ISCSI_BOOT_IPV4N6:
1478 return true;
1479 }
1480
1481 return false;
1482 }
1483
1484 static bool bnxt_dir_type_is_executable(u16 dir_type)
1485 {
1486 return bnxt_dir_type_is_ape_bin_format(dir_type) ||
1487 bnxt_dir_type_is_other_exec_format(dir_type);
1488 }
1489
1490 static int bnxt_flash_firmware_from_file(struct net_device *dev,
1491 u16 dir_type,
1492 const char *filename)
1493 {
1494 const struct firmware *fw;
1495 int rc;
1496
1497 rc = request_firmware(&fw, filename, &dev->dev);
1498 if (rc != 0) {
1499 netdev_err(dev, "Error %d requesting firmware file: %s\n",
1500 rc, filename);
1501 return rc;
1502 }
1503 if (bnxt_dir_type_is_ape_bin_format(dir_type) == true)
1504 rc = bnxt_flash_firmware(dev, dir_type, fw->data, fw->size);
1505 else if (bnxt_dir_type_is_other_exec_format(dir_type) == true)
1506 rc = bnxt_flash_microcode(dev, dir_type, fw->data, fw->size);
1507 else
1508 rc = bnxt_flash_nvram(dev, dir_type, BNX_DIR_ORDINAL_FIRST,
1509 0, 0, fw->data, fw->size);
1510 release_firmware(fw);
1511 return rc;
1512 }
1513
1514 static int bnxt_flash_package_from_file(struct net_device *dev,
1515 char *filename, u32 install_type)
1516 {
1517 struct bnxt *bp = netdev_priv(dev);
1518 struct hwrm_nvm_install_update_output *resp = bp->hwrm_cmd_resp_addr;
1519 struct hwrm_nvm_install_update_input install = {0};
1520 const struct firmware *fw;
1521 u32 item_len;
1522 u16 index;
1523 int rc;
1524
1525 bnxt_hwrm_fw_set_time(bp);
1526
1527 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_UPDATE,
1528 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1529 &index, &item_len, NULL) != 0) {
1530 netdev_err(dev, "PKG update area not created in nvram\n");
1531 return -ENOBUFS;
1532 }
1533
1534 rc = request_firmware(&fw, filename, &dev->dev);
1535 if (rc != 0) {
1536 netdev_err(dev, "PKG error %d requesting file: %s\n",
1537 rc, filename);
1538 return rc;
1539 }
1540
1541 if (fw->size > item_len) {
1542 netdev_err(dev, "PKG insufficient update area in nvram: %lu",
1543 (unsigned long)fw->size);
1544 rc = -EFBIG;
1545 } else {
1546 dma_addr_t dma_handle;
1547 u8 *kmem;
1548 struct hwrm_nvm_modify_input modify = {0};
1549
1550 bnxt_hwrm_cmd_hdr_init(bp, &modify, HWRM_NVM_MODIFY, -1, -1);
1551
1552 modify.dir_idx = cpu_to_le16(index);
1553 modify.len = cpu_to_le32(fw->size);
1554
1555 kmem = dma_alloc_coherent(&bp->pdev->dev, fw->size,
1556 &dma_handle, GFP_KERNEL);
1557 if (!kmem) {
1558 netdev_err(dev,
1559 "dma_alloc_coherent failure, length = %u\n",
1560 (unsigned int)fw->size);
1561 rc = -ENOMEM;
1562 } else {
1563 memcpy(kmem, fw->data, fw->size);
1564 modify.host_src_addr = cpu_to_le64(dma_handle);
1565
1566 rc = hwrm_send_message(bp, &modify, sizeof(modify),
1567 FLASH_PACKAGE_TIMEOUT);
1568 dma_free_coherent(&bp->pdev->dev, fw->size, kmem,
1569 dma_handle);
1570 }
1571 }
1572 release_firmware(fw);
1573 if (rc)
1574 return rc;
1575
1576 if ((install_type & 0xffff) == 0)
1577 install_type >>= 16;
1578 bnxt_hwrm_cmd_hdr_init(bp, &install, HWRM_NVM_INSTALL_UPDATE, -1, -1);
1579 install.install_type = cpu_to_le32(install_type);
1580
1581 mutex_lock(&bp->hwrm_cmd_lock);
1582 rc = _hwrm_send_message(bp, &install, sizeof(install),
1583 INSTALL_PACKAGE_TIMEOUT);
1584 if (rc) {
1585 rc = -EOPNOTSUPP;
1586 goto flash_pkg_exit;
1587 }
1588
1589 if (resp->error_code) {
1590 u8 error_code = ((struct hwrm_err_output *)resp)->cmd_err;
1591
1592 if (error_code == NVM_INSTALL_UPDATE_CMD_ERR_CODE_FRAG_ERR) {
1593 install.flags |= cpu_to_le16(
1594 NVM_INSTALL_UPDATE_REQ_FLAGS_ALLOWED_TO_DEFRAG);
1595 rc = _hwrm_send_message(bp, &install, sizeof(install),
1596 INSTALL_PACKAGE_TIMEOUT);
1597 if (rc) {
1598 rc = -EOPNOTSUPP;
1599 goto flash_pkg_exit;
1600 }
1601 }
1602 }
1603
1604 if (resp->result) {
1605 netdev_err(dev, "PKG install error = %d, problem_item = %d\n",
1606 (s8)resp->result, (int)resp->problem_item);
1607 rc = -ENOPKG;
1608 }
1609 flash_pkg_exit:
1610 mutex_unlock(&bp->hwrm_cmd_lock);
1611 return rc;
1612 }
1613
1614 static int bnxt_flash_device(struct net_device *dev,
1615 struct ethtool_flash *flash)
1616 {
1617 if (!BNXT_PF((struct bnxt *)netdev_priv(dev))) {
1618 netdev_err(dev, "flashdev not supported from a virtual function\n");
1619 return -EINVAL;
1620 }
1621
1622 if (flash->region == ETHTOOL_FLASH_ALL_REGIONS ||
1623 flash->region > 0xffff)
1624 return bnxt_flash_package_from_file(dev, flash->data,
1625 flash->region);
1626
1627 return bnxt_flash_firmware_from_file(dev, flash->region, flash->data);
1628 }
1629
1630 static int nvm_get_dir_info(struct net_device *dev, u32 *entries, u32 *length)
1631 {
1632 struct bnxt *bp = netdev_priv(dev);
1633 int rc;
1634 struct hwrm_nvm_get_dir_info_input req = {0};
1635 struct hwrm_nvm_get_dir_info_output *output = bp->hwrm_cmd_resp_addr;
1636
1637 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_INFO, -1, -1);
1638
1639 mutex_lock(&bp->hwrm_cmd_lock);
1640 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1641 if (!rc) {
1642 *entries = le32_to_cpu(output->entries);
1643 *length = le32_to_cpu(output->entry_length);
1644 }
1645 mutex_unlock(&bp->hwrm_cmd_lock);
1646 return rc;
1647 }
1648
1649 static int bnxt_get_eeprom_len(struct net_device *dev)
1650 {
1651 /* The -1 return value allows the entire 32-bit range of offsets to be
1652 * passed via the ethtool command-line utility.
1653 */
1654 return -1;
1655 }
1656
1657 static int bnxt_get_nvram_directory(struct net_device *dev, u32 len, u8 *data)
1658 {
1659 struct bnxt *bp = netdev_priv(dev);
1660 int rc;
1661 u32 dir_entries;
1662 u32 entry_length;
1663 u8 *buf;
1664 size_t buflen;
1665 dma_addr_t dma_handle;
1666 struct hwrm_nvm_get_dir_entries_input req = {0};
1667
1668 rc = nvm_get_dir_info(dev, &dir_entries, &entry_length);
1669 if (rc != 0)
1670 return rc;
1671
1672 /* Insert 2 bytes of directory info (count and size of entries) */
1673 if (len < 2)
1674 return -EINVAL;
1675
1676 *data++ = dir_entries;
1677 *data++ = entry_length;
1678 len -= 2;
1679 memset(data, 0xff, len);
1680
1681 buflen = dir_entries * entry_length;
1682 buf = dma_alloc_coherent(&bp->pdev->dev, buflen, &dma_handle,
1683 GFP_KERNEL);
1684 if (!buf) {
1685 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1686 (unsigned)buflen);
1687 return -ENOMEM;
1688 }
1689 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_GET_DIR_ENTRIES, -1, -1);
1690 req.host_dest_addr = cpu_to_le64(dma_handle);
1691 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1692 if (rc == 0)
1693 memcpy(data, buf, len > buflen ? buflen : len);
1694 dma_free_coherent(&bp->pdev->dev, buflen, buf, dma_handle);
1695 return rc;
1696 }
1697
1698 static int bnxt_get_nvram_item(struct net_device *dev, u32 index, u32 offset,
1699 u32 length, u8 *data)
1700 {
1701 struct bnxt *bp = netdev_priv(dev);
1702 int rc;
1703 u8 *buf;
1704 dma_addr_t dma_handle;
1705 struct hwrm_nvm_read_input req = {0};
1706
1707 buf = dma_alloc_coherent(&bp->pdev->dev, length, &dma_handle,
1708 GFP_KERNEL);
1709 if (!buf) {
1710 netdev_err(dev, "dma_alloc_coherent failure, length = %u\n",
1711 (unsigned)length);
1712 return -ENOMEM;
1713 }
1714 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_READ, -1, -1);
1715 req.host_dest_addr = cpu_to_le64(dma_handle);
1716 req.dir_idx = cpu_to_le16(index);
1717 req.offset = cpu_to_le32(offset);
1718 req.len = cpu_to_le32(length);
1719
1720 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1721 if (rc == 0)
1722 memcpy(data, buf, length);
1723 dma_free_coherent(&bp->pdev->dev, length, buf, dma_handle);
1724 return rc;
1725 }
1726
1727 static int bnxt_find_nvram_item(struct net_device *dev, u16 type, u16 ordinal,
1728 u16 ext, u16 *index, u32 *item_length,
1729 u32 *data_length)
1730 {
1731 struct bnxt *bp = netdev_priv(dev);
1732 int rc;
1733 struct hwrm_nvm_find_dir_entry_input req = {0};
1734 struct hwrm_nvm_find_dir_entry_output *output = bp->hwrm_cmd_resp_addr;
1735
1736 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_FIND_DIR_ENTRY, -1, -1);
1737 req.enables = 0;
1738 req.dir_idx = 0;
1739 req.dir_type = cpu_to_le16(type);
1740 req.dir_ordinal = cpu_to_le16(ordinal);
1741 req.dir_ext = cpu_to_le16(ext);
1742 req.opt_ordinal = NVM_FIND_DIR_ENTRY_REQ_OPT_ORDINAL_EQ;
1743 rc = hwrm_send_message_silent(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1744 if (rc == 0) {
1745 if (index)
1746 *index = le16_to_cpu(output->dir_idx);
1747 if (item_length)
1748 *item_length = le32_to_cpu(output->dir_item_length);
1749 if (data_length)
1750 *data_length = le32_to_cpu(output->dir_data_length);
1751 }
1752 return rc;
1753 }
1754
1755 static char *bnxt_parse_pkglog(int desired_field, u8 *data, size_t datalen)
1756 {
1757 char *retval = NULL;
1758 char *p;
1759 char *value;
1760 int field = 0;
1761
1762 if (datalen < 1)
1763 return NULL;
1764 /* null-terminate the log data (removing last '\n'): */
1765 data[datalen - 1] = 0;
1766 for (p = data; *p != 0; p++) {
1767 field = 0;
1768 retval = NULL;
1769 while (*p != 0 && *p != '\n') {
1770 value = p;
1771 while (*p != 0 && *p != '\t' && *p != '\n')
1772 p++;
1773 if (field == desired_field)
1774 retval = value;
1775 if (*p != '\t')
1776 break;
1777 *p = 0;
1778 field++;
1779 p++;
1780 }
1781 if (*p == 0)
1782 break;
1783 *p = 0;
1784 }
1785 return retval;
1786 }
1787
1788 static char *bnxt_get_pkgver(struct net_device *dev, char *buf, size_t buflen)
1789 {
1790 u16 index = 0;
1791 u32 datalen;
1792
1793 if (bnxt_find_nvram_item(dev, BNX_DIR_TYPE_PKG_LOG,
1794 BNX_DIR_ORDINAL_FIRST, BNX_DIR_EXT_NONE,
1795 &index, NULL, &datalen) != 0)
1796 return NULL;
1797
1798 memset(buf, 0, buflen);
1799 if (bnxt_get_nvram_item(dev, index, 0, datalen, buf) != 0)
1800 return NULL;
1801
1802 return bnxt_parse_pkglog(BNX_PKG_LOG_FIELD_IDX_PKG_VERSION, buf,
1803 datalen);
1804 }
1805
1806 static int bnxt_get_eeprom(struct net_device *dev,
1807 struct ethtool_eeprom *eeprom,
1808 u8 *data)
1809 {
1810 u32 index;
1811 u32 offset;
1812
1813 if (eeprom->offset == 0) /* special offset value to get directory */
1814 return bnxt_get_nvram_directory(dev, eeprom->len, data);
1815
1816 index = eeprom->offset >> 24;
1817 offset = eeprom->offset & 0xffffff;
1818
1819 if (index == 0) {
1820 netdev_err(dev, "unsupported index value: %d\n", index);
1821 return -EINVAL;
1822 }
1823
1824 return bnxt_get_nvram_item(dev, index - 1, offset, eeprom->len, data);
1825 }
1826
1827 static int bnxt_erase_nvram_directory(struct net_device *dev, u8 index)
1828 {
1829 struct bnxt *bp = netdev_priv(dev);
1830 struct hwrm_nvm_erase_dir_entry_input req = {0};
1831
1832 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_NVM_ERASE_DIR_ENTRY, -1, -1);
1833 req.dir_idx = cpu_to_le16(index);
1834 return hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
1835 }
1836
1837 static int bnxt_set_eeprom(struct net_device *dev,
1838 struct ethtool_eeprom *eeprom,
1839 u8 *data)
1840 {
1841 struct bnxt *bp = netdev_priv(dev);
1842 u8 index, dir_op;
1843 u16 type, ext, ordinal, attr;
1844
1845 if (!BNXT_PF(bp)) {
1846 netdev_err(dev, "NVM write not supported from a virtual function\n");
1847 return -EINVAL;
1848 }
1849
1850 type = eeprom->magic >> 16;
1851
1852 if (type == 0xffff) { /* special value for directory operations */
1853 index = eeprom->magic & 0xff;
1854 dir_op = eeprom->magic >> 8;
1855 if (index == 0)
1856 return -EINVAL;
1857 switch (dir_op) {
1858 case 0x0e: /* erase */
1859 if (eeprom->offset != ~eeprom->magic)
1860 return -EINVAL;
1861 return bnxt_erase_nvram_directory(dev, index - 1);
1862 default:
1863 return -EINVAL;
1864 }
1865 }
1866
1867 /* Create or re-write an NVM item: */
1868 if (bnxt_dir_type_is_executable(type) == true)
1869 return -EOPNOTSUPP;
1870 ext = eeprom->magic & 0xffff;
1871 ordinal = eeprom->offset >> 16;
1872 attr = eeprom->offset & 0xffff;
1873
1874 return bnxt_flash_nvram(dev, type, ordinal, ext, attr, data,
1875 eeprom->len);
1876 }
1877
1878 static int bnxt_set_eee(struct net_device *dev, struct ethtool_eee *edata)
1879 {
1880 struct bnxt *bp = netdev_priv(dev);
1881 struct ethtool_eee *eee = &bp->eee;
1882 struct bnxt_link_info *link_info = &bp->link_info;
1883 u32 advertising =
1884 _bnxt_fw_to_ethtool_adv_spds(link_info->advertising, 0);
1885 int rc = 0;
1886
1887 if (!BNXT_SINGLE_PF(bp))
1888 return -EOPNOTSUPP;
1889
1890 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1891 return -EOPNOTSUPP;
1892
1893 if (!edata->eee_enabled)
1894 goto eee_ok;
1895
1896 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED)) {
1897 netdev_warn(dev, "EEE requires autoneg\n");
1898 return -EINVAL;
1899 }
1900 if (edata->tx_lpi_enabled) {
1901 if (bp->lpi_tmr_hi && (edata->tx_lpi_timer > bp->lpi_tmr_hi ||
1902 edata->tx_lpi_timer < bp->lpi_tmr_lo)) {
1903 netdev_warn(dev, "Valid LPI timer range is %d and %d microsecs\n",
1904 bp->lpi_tmr_lo, bp->lpi_tmr_hi);
1905 return -EINVAL;
1906 } else if (!bp->lpi_tmr_hi) {
1907 edata->tx_lpi_timer = eee->tx_lpi_timer;
1908 }
1909 }
1910 if (!edata->advertised) {
1911 edata->advertised = advertising & eee->supported;
1912 } else if (edata->advertised & ~advertising) {
1913 netdev_warn(dev, "EEE advertised %x must be a subset of autoneg advertised speeds %x\n",
1914 edata->advertised, advertising);
1915 return -EINVAL;
1916 }
1917
1918 eee->advertised = edata->advertised;
1919 eee->tx_lpi_enabled = edata->tx_lpi_enabled;
1920 eee->tx_lpi_timer = edata->tx_lpi_timer;
1921 eee_ok:
1922 eee->eee_enabled = edata->eee_enabled;
1923
1924 if (netif_running(dev))
1925 rc = bnxt_hwrm_set_link_setting(bp, false, true);
1926
1927 return rc;
1928 }
1929
1930 static int bnxt_get_eee(struct net_device *dev, struct ethtool_eee *edata)
1931 {
1932 struct bnxt *bp = netdev_priv(dev);
1933
1934 if (!(bp->flags & BNXT_FLAG_EEE_CAP))
1935 return -EOPNOTSUPP;
1936
1937 *edata = bp->eee;
1938 if (!bp->eee.eee_enabled) {
1939 /* Preserve tx_lpi_timer so that the last value will be used
1940 * by default when it is re-enabled.
1941 */
1942 edata->advertised = 0;
1943 edata->tx_lpi_enabled = 0;
1944 }
1945
1946 if (!bp->eee.eee_active)
1947 edata->lp_advertised = 0;
1948
1949 return 0;
1950 }
1951
1952 static int bnxt_read_sfp_module_eeprom_info(struct bnxt *bp, u16 i2c_addr,
1953 u16 page_number, u16 start_addr,
1954 u16 data_length, u8 *buf)
1955 {
1956 struct hwrm_port_phy_i2c_read_input req = {0};
1957 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1958 int rc, byte_offset = 0;
1959
1960 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
1961 req.i2c_slave_addr = i2c_addr;
1962 req.page_number = cpu_to_le16(page_number);
1963 req.port_id = cpu_to_le16(bp->pf.port_id);
1964 do {
1965 u16 xfer_size;
1966
1967 xfer_size = min_t(u16, data_length, BNXT_MAX_PHY_I2C_RESP_SIZE);
1968 data_length -= xfer_size;
1969 req.page_offset = cpu_to_le16(start_addr + byte_offset);
1970 req.data_length = xfer_size;
1971 req.enables = cpu_to_le32(start_addr + byte_offset ?
1972 PORT_PHY_I2C_READ_REQ_ENABLES_PAGE_OFFSET : 0);
1973 mutex_lock(&bp->hwrm_cmd_lock);
1974 rc = _hwrm_send_message(bp, &req, sizeof(req),
1975 HWRM_CMD_TIMEOUT);
1976 if (!rc)
1977 memcpy(buf + byte_offset, output->data, xfer_size);
1978 mutex_unlock(&bp->hwrm_cmd_lock);
1979 byte_offset += xfer_size;
1980 } while (!rc && data_length > 0);
1981
1982 return rc;
1983 }
1984
1985 static int bnxt_get_module_info(struct net_device *dev,
1986 struct ethtool_modinfo *modinfo)
1987 {
1988 struct bnxt *bp = netdev_priv(dev);
1989 struct hwrm_port_phy_i2c_read_input req = {0};
1990 struct hwrm_port_phy_i2c_read_output *output = bp->hwrm_cmd_resp_addr;
1991 int rc;
1992
1993 /* No point in going further if phy status indicates
1994 * module is not inserted or if it is powered down or
1995 * if it is of type 10GBase-T
1996 */
1997 if (bp->link_info.module_status >
1998 PORT_PHY_QCFG_RESP_MODULE_STATUS_WARNINGMSG)
1999 return -EOPNOTSUPP;
2000
2001 /* This feature is not supported in older firmware versions */
2002 if (bp->hwrm_spec_code < 0x10202)
2003 return -EOPNOTSUPP;
2004
2005 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_PHY_I2C_READ, -1, -1);
2006 req.i2c_slave_addr = I2C_DEV_ADDR_A0;
2007 req.page_number = 0;
2008 req.page_offset = cpu_to_le16(SFP_EEPROM_SFF_8472_COMP_ADDR);
2009 req.data_length = SFP_EEPROM_SFF_8472_COMP_SIZE;
2010 req.port_id = cpu_to_le16(bp->pf.port_id);
2011 mutex_lock(&bp->hwrm_cmd_lock);
2012 rc = _hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2013 if (!rc) {
2014 u32 module_id = le32_to_cpu(output->data[0]);
2015
2016 switch (module_id) {
2017 case SFF_MODULE_ID_SFP:
2018 modinfo->type = ETH_MODULE_SFF_8472;
2019 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
2020 break;
2021 case SFF_MODULE_ID_QSFP:
2022 case SFF_MODULE_ID_QSFP_PLUS:
2023 modinfo->type = ETH_MODULE_SFF_8436;
2024 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN;
2025 break;
2026 case SFF_MODULE_ID_QSFP28:
2027 modinfo->type = ETH_MODULE_SFF_8636;
2028 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN;
2029 break;
2030 default:
2031 rc = -EOPNOTSUPP;
2032 break;
2033 }
2034 }
2035 mutex_unlock(&bp->hwrm_cmd_lock);
2036 return rc;
2037 }
2038
2039 static int bnxt_get_module_eeprom(struct net_device *dev,
2040 struct ethtool_eeprom *eeprom,
2041 u8 *data)
2042 {
2043 struct bnxt *bp = netdev_priv(dev);
2044 u16 start = eeprom->offset, length = eeprom->len;
2045 int rc = 0;
2046
2047 memset(data, 0, eeprom->len);
2048
2049 /* Read A0 portion of the EEPROM */
2050 if (start < ETH_MODULE_SFF_8436_LEN) {
2051 if (start + eeprom->len > ETH_MODULE_SFF_8436_LEN)
2052 length = ETH_MODULE_SFF_8436_LEN - start;
2053 rc = bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A0, 0,
2054 start, length, data);
2055 if (rc)
2056 return rc;
2057 start += length;
2058 data += length;
2059 length = eeprom->len - length;
2060 }
2061
2062 /* Read A2 portion of the EEPROM */
2063 if (length) {
2064 start -= ETH_MODULE_SFF_8436_LEN;
2065 bnxt_read_sfp_module_eeprom_info(bp, I2C_DEV_ADDR_A2, 1, start,
2066 length, data);
2067 }
2068 return rc;
2069 }
2070
2071 static int bnxt_nway_reset(struct net_device *dev)
2072 {
2073 int rc = 0;
2074
2075 struct bnxt *bp = netdev_priv(dev);
2076 struct bnxt_link_info *link_info = &bp->link_info;
2077
2078 if (!BNXT_SINGLE_PF(bp))
2079 return -EOPNOTSUPP;
2080
2081 if (!(link_info->autoneg & BNXT_AUTONEG_SPEED))
2082 return -EINVAL;
2083
2084 if (netif_running(dev))
2085 rc = bnxt_hwrm_set_link_setting(bp, true, false);
2086
2087 return rc;
2088 }
2089
2090 static int bnxt_set_phys_id(struct net_device *dev,
2091 enum ethtool_phys_id_state state)
2092 {
2093 struct hwrm_port_led_cfg_input req = {0};
2094 struct bnxt *bp = netdev_priv(dev);
2095 struct bnxt_pf_info *pf = &bp->pf;
2096 struct bnxt_led_cfg *led_cfg;
2097 u8 led_state;
2098 __le16 duration;
2099 int i, rc;
2100
2101 if (!bp->num_leds || BNXT_VF(bp))
2102 return -EOPNOTSUPP;
2103
2104 if (state == ETHTOOL_ID_ACTIVE) {
2105 led_state = PORT_LED_CFG_REQ_LED0_STATE_BLINKALT;
2106 duration = cpu_to_le16(500);
2107 } else if (state == ETHTOOL_ID_INACTIVE) {
2108 led_state = PORT_LED_CFG_REQ_LED1_STATE_DEFAULT;
2109 duration = cpu_to_le16(0);
2110 } else {
2111 return -EINVAL;
2112 }
2113 bnxt_hwrm_cmd_hdr_init(bp, &req, HWRM_PORT_LED_CFG, -1, -1);
2114 req.port_id = cpu_to_le16(pf->port_id);
2115 req.num_leds = bp->num_leds;
2116 led_cfg = (struct bnxt_led_cfg *)&req.led0_id;
2117 for (i = 0; i < bp->num_leds; i++, led_cfg++) {
2118 req.enables |= BNXT_LED_DFLT_ENABLES(i);
2119 led_cfg->led_id = bp->leds[i].led_id;
2120 led_cfg->led_state = led_state;
2121 led_cfg->led_blink_on = duration;
2122 led_cfg->led_blink_off = duration;
2123 led_cfg->led_group_id = bp->leds[i].led_group_id;
2124 }
2125 rc = hwrm_send_message(bp, &req, sizeof(req), HWRM_CMD_TIMEOUT);
2126 if (rc)
2127 rc = -EIO;
2128 return rc;
2129 }
2130
2131 const struct ethtool_ops bnxt_ethtool_ops = {
2132 .get_link_ksettings = bnxt_get_link_ksettings,
2133 .set_link_ksettings = bnxt_set_link_ksettings,
2134 .get_pauseparam = bnxt_get_pauseparam,
2135 .set_pauseparam = bnxt_set_pauseparam,
2136 .get_drvinfo = bnxt_get_drvinfo,
2137 .get_coalesce = bnxt_get_coalesce,
2138 .set_coalesce = bnxt_set_coalesce,
2139 .get_msglevel = bnxt_get_msglevel,
2140 .set_msglevel = bnxt_set_msglevel,
2141 .get_sset_count = bnxt_get_sset_count,
2142 .get_strings = bnxt_get_strings,
2143 .get_ethtool_stats = bnxt_get_ethtool_stats,
2144 .set_ringparam = bnxt_set_ringparam,
2145 .get_ringparam = bnxt_get_ringparam,
2146 .get_channels = bnxt_get_channels,
2147 .set_channels = bnxt_set_channels,
2148 .get_rxnfc = bnxt_get_rxnfc,
2149 .set_rxnfc = bnxt_set_rxnfc,
2150 .get_rxfh_indir_size = bnxt_get_rxfh_indir_size,
2151 .get_rxfh_key_size = bnxt_get_rxfh_key_size,
2152 .get_rxfh = bnxt_get_rxfh,
2153 .flash_device = bnxt_flash_device,
2154 .get_eeprom_len = bnxt_get_eeprom_len,
2155 .get_eeprom = bnxt_get_eeprom,
2156 .set_eeprom = bnxt_set_eeprom,
2157 .get_link = bnxt_get_link,
2158 .get_eee = bnxt_get_eee,
2159 .set_eee = bnxt_set_eee,
2160 .get_module_info = bnxt_get_module_info,
2161 .get_module_eeprom = bnxt_get_module_eeprom,
2162 .nway_reset = bnxt_nway_reset,
2163 .set_phys_id = bnxt_set_phys_id,
2164 };
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