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Merge branch 'drm-armada-devel' of git://ftp.arm.linux.org.uk/~rmk/linux-arm into...
[deliverable/linux.git] / drivers / net / ethernet / brocade / bna / bnad_ethtool.c
1 /*
2 * Linux network driver for QLogic BR-series Converged Network Adapter.
3 *
4 * This program is free software; you can redistribute it and/or modify it
5 * under the terms of the GNU General Public License (GPL) Version 2 as
6 * published by the Free Software Foundation
7 *
8 * This program is distributed in the hope that it will be useful, but
9 * WITHOUT ANY WARRANTY; without even the implied warranty of
10 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
11 * General Public License for more details.
12 */
13 /*
14 * Copyright (c) 2005-2014 Brocade Communications Systems, Inc.
15 * Copyright (c) 2014-2015 QLogic Corporation
16 * All rights reserved
17 * www.qlogic.com
18 */
19
20 #include "cna.h"
21
22 #include <linux/netdevice.h>
23 #include <linux/skbuff.h>
24 #include <linux/ethtool.h>
25 #include <linux/rtnetlink.h>
26
27 #include "bna.h"
28
29 #include "bnad.h"
30
31 #define BNAD_NUM_TXF_COUNTERS 12
32 #define BNAD_NUM_RXF_COUNTERS 10
33 #define BNAD_NUM_CQ_COUNTERS (3 + 5)
34 #define BNAD_NUM_RXQ_COUNTERS 6
35 #define BNAD_NUM_TXQ_COUNTERS 5
36
37 #define BNAD_ETHTOOL_STATS_NUM \
38 (sizeof(struct rtnl_link_stats64) / sizeof(u64) + \
39 sizeof(struct bnad_drv_stats) / sizeof(u64) + \
40 offsetof(struct bfi_enet_stats, rxf_stats[0]) / sizeof(u64))
41
42 static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = {
43 "rx_packets",
44 "tx_packets",
45 "rx_bytes",
46 "tx_bytes",
47 "rx_errors",
48 "tx_errors",
49 "rx_dropped",
50 "tx_dropped",
51 "multicast",
52 "collisions",
53
54 "rx_length_errors",
55 "rx_over_errors",
56 "rx_crc_errors",
57 "rx_frame_errors",
58 "rx_fifo_errors",
59 "rx_missed_errors",
60
61 "tx_aborted_errors",
62 "tx_carrier_errors",
63 "tx_fifo_errors",
64 "tx_heartbeat_errors",
65 "tx_window_errors",
66
67 "rx_compressed",
68 "tx_compressed",
69
70 "netif_queue_stop",
71 "netif_queue_wakeup",
72 "netif_queue_stopped",
73 "tso4",
74 "tso6",
75 "tso_err",
76 "tcpcsum_offload",
77 "udpcsum_offload",
78 "csum_help",
79 "tx_skb_too_short",
80 "tx_skb_stopping",
81 "tx_skb_max_vectors",
82 "tx_skb_mss_too_long",
83 "tx_skb_tso_too_short",
84 "tx_skb_tso_prepare",
85 "tx_skb_non_tso_too_long",
86 "tx_skb_tcp_hdr",
87 "tx_skb_udp_hdr",
88 "tx_skb_csum_err",
89 "tx_skb_headlen_too_long",
90 "tx_skb_headlen_zero",
91 "tx_skb_frag_zero",
92 "tx_skb_len_mismatch",
93 "tx_skb_map_failed",
94 "hw_stats_updates",
95 "netif_rx_dropped",
96
97 "link_toggle",
98 "cee_toggle",
99
100 "rxp_info_alloc_failed",
101 "mbox_intr_disabled",
102 "mbox_intr_enabled",
103 "tx_unmap_q_alloc_failed",
104 "rx_unmap_q_alloc_failed",
105 "rxbuf_alloc_failed",
106 "rxbuf_map_failed",
107
108 "mac_stats_clr_cnt",
109 "mac_frame_64",
110 "mac_frame_65_127",
111 "mac_frame_128_255",
112 "mac_frame_256_511",
113 "mac_frame_512_1023",
114 "mac_frame_1024_1518",
115 "mac_frame_1518_1522",
116 "mac_rx_bytes",
117 "mac_rx_packets",
118 "mac_rx_fcs_error",
119 "mac_rx_multicast",
120 "mac_rx_broadcast",
121 "mac_rx_control_frames",
122 "mac_rx_pause",
123 "mac_rx_unknown_opcode",
124 "mac_rx_alignment_error",
125 "mac_rx_frame_length_error",
126 "mac_rx_code_error",
127 "mac_rx_carrier_sense_error",
128 "mac_rx_undersize",
129 "mac_rx_oversize",
130 "mac_rx_fragments",
131 "mac_rx_jabber",
132 "mac_rx_drop",
133
134 "mac_tx_bytes",
135 "mac_tx_packets",
136 "mac_tx_multicast",
137 "mac_tx_broadcast",
138 "mac_tx_pause",
139 "mac_tx_deferral",
140 "mac_tx_excessive_deferral",
141 "mac_tx_single_collision",
142 "mac_tx_muliple_collision",
143 "mac_tx_late_collision",
144 "mac_tx_excessive_collision",
145 "mac_tx_total_collision",
146 "mac_tx_pause_honored",
147 "mac_tx_drop",
148 "mac_tx_jabber",
149 "mac_tx_fcs_error",
150 "mac_tx_control_frame",
151 "mac_tx_oversize",
152 "mac_tx_undersize",
153 "mac_tx_fragments",
154
155 "bpc_tx_pause_0",
156 "bpc_tx_pause_1",
157 "bpc_tx_pause_2",
158 "bpc_tx_pause_3",
159 "bpc_tx_pause_4",
160 "bpc_tx_pause_5",
161 "bpc_tx_pause_6",
162 "bpc_tx_pause_7",
163 "bpc_tx_zero_pause_0",
164 "bpc_tx_zero_pause_1",
165 "bpc_tx_zero_pause_2",
166 "bpc_tx_zero_pause_3",
167 "bpc_tx_zero_pause_4",
168 "bpc_tx_zero_pause_5",
169 "bpc_tx_zero_pause_6",
170 "bpc_tx_zero_pause_7",
171 "bpc_tx_first_pause_0",
172 "bpc_tx_first_pause_1",
173 "bpc_tx_first_pause_2",
174 "bpc_tx_first_pause_3",
175 "bpc_tx_first_pause_4",
176 "bpc_tx_first_pause_5",
177 "bpc_tx_first_pause_6",
178 "bpc_tx_first_pause_7",
179
180 "bpc_rx_pause_0",
181 "bpc_rx_pause_1",
182 "bpc_rx_pause_2",
183 "bpc_rx_pause_3",
184 "bpc_rx_pause_4",
185 "bpc_rx_pause_5",
186 "bpc_rx_pause_6",
187 "bpc_rx_pause_7",
188 "bpc_rx_zero_pause_0",
189 "bpc_rx_zero_pause_1",
190 "bpc_rx_zero_pause_2",
191 "bpc_rx_zero_pause_3",
192 "bpc_rx_zero_pause_4",
193 "bpc_rx_zero_pause_5",
194 "bpc_rx_zero_pause_6",
195 "bpc_rx_zero_pause_7",
196 "bpc_rx_first_pause_0",
197 "bpc_rx_first_pause_1",
198 "bpc_rx_first_pause_2",
199 "bpc_rx_first_pause_3",
200 "bpc_rx_first_pause_4",
201 "bpc_rx_first_pause_5",
202 "bpc_rx_first_pause_6",
203 "bpc_rx_first_pause_7",
204
205 "rad_rx_frames",
206 "rad_rx_octets",
207 "rad_rx_vlan_frames",
208 "rad_rx_ucast",
209 "rad_rx_ucast_octets",
210 "rad_rx_ucast_vlan",
211 "rad_rx_mcast",
212 "rad_rx_mcast_octets",
213 "rad_rx_mcast_vlan",
214 "rad_rx_bcast",
215 "rad_rx_bcast_octets",
216 "rad_rx_bcast_vlan",
217 "rad_rx_drops",
218
219 "rlb_rad_rx_frames",
220 "rlb_rad_rx_octets",
221 "rlb_rad_rx_vlan_frames",
222 "rlb_rad_rx_ucast",
223 "rlb_rad_rx_ucast_octets",
224 "rlb_rad_rx_ucast_vlan",
225 "rlb_rad_rx_mcast",
226 "rlb_rad_rx_mcast_octets",
227 "rlb_rad_rx_mcast_vlan",
228 "rlb_rad_rx_bcast",
229 "rlb_rad_rx_bcast_octets",
230 "rlb_rad_rx_bcast_vlan",
231 "rlb_rad_rx_drops",
232
233 "fc_rx_ucast_octets",
234 "fc_rx_ucast",
235 "fc_rx_ucast_vlan",
236 "fc_rx_mcast_octets",
237 "fc_rx_mcast",
238 "fc_rx_mcast_vlan",
239 "fc_rx_bcast_octets",
240 "fc_rx_bcast",
241 "fc_rx_bcast_vlan",
242
243 "fc_tx_ucast_octets",
244 "fc_tx_ucast",
245 "fc_tx_ucast_vlan",
246 "fc_tx_mcast_octets",
247 "fc_tx_mcast",
248 "fc_tx_mcast_vlan",
249 "fc_tx_bcast_octets",
250 "fc_tx_bcast",
251 "fc_tx_bcast_vlan",
252 "fc_tx_parity_errors",
253 "fc_tx_timeout",
254 "fc_tx_fid_parity_errors",
255 };
256
257 static int
258 bnad_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
259 {
260 cmd->supported = SUPPORTED_10000baseT_Full;
261 cmd->advertising = ADVERTISED_10000baseT_Full;
262 cmd->autoneg = AUTONEG_DISABLE;
263 cmd->supported |= SUPPORTED_FIBRE;
264 cmd->advertising |= ADVERTISED_FIBRE;
265 cmd->port = PORT_FIBRE;
266 cmd->phy_address = 0;
267
268 if (netif_carrier_ok(netdev)) {
269 ethtool_cmd_speed_set(cmd, SPEED_10000);
270 cmd->duplex = DUPLEX_FULL;
271 } else {
272 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
273 cmd->duplex = DUPLEX_UNKNOWN;
274 }
275 cmd->transceiver = XCVR_EXTERNAL;
276 cmd->maxtxpkt = 0;
277 cmd->maxrxpkt = 0;
278
279 return 0;
280 }
281
282 static int
283 bnad_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
284 {
285 /* 10G full duplex setting supported only */
286 if (cmd->autoneg == AUTONEG_ENABLE)
287 return -EOPNOTSUPP; else {
288 if ((ethtool_cmd_speed(cmd) == SPEED_10000)
289 && (cmd->duplex == DUPLEX_FULL))
290 return 0;
291 }
292
293 return -EOPNOTSUPP;
294 }
295
296 static void
297 bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
298 {
299 struct bnad *bnad = netdev_priv(netdev);
300 struct bfa_ioc_attr *ioc_attr;
301 unsigned long flags;
302
303 strlcpy(drvinfo->driver, BNAD_NAME, sizeof(drvinfo->driver));
304 strlcpy(drvinfo->version, BNAD_VERSION, sizeof(drvinfo->version));
305
306 ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL);
307 if (ioc_attr) {
308 spin_lock_irqsave(&bnad->bna_lock, flags);
309 bfa_nw_ioc_get_attr(&bnad->bna.ioceth.ioc, ioc_attr);
310 spin_unlock_irqrestore(&bnad->bna_lock, flags);
311
312 strlcpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver,
313 sizeof(drvinfo->fw_version));
314 kfree(ioc_attr);
315 }
316
317 strlcpy(drvinfo->bus_info, pci_name(bnad->pcidev),
318 sizeof(drvinfo->bus_info));
319 }
320
321 static void
322 bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo)
323 {
324 wolinfo->supported = 0;
325 wolinfo->wolopts = 0;
326 }
327
328 static int
329 bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
330 {
331 struct bnad *bnad = netdev_priv(netdev);
332 unsigned long flags;
333
334 /* Lock rqd. to access bnad->bna_lock */
335 spin_lock_irqsave(&bnad->bna_lock, flags);
336 coalesce->use_adaptive_rx_coalesce =
337 (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false;
338 spin_unlock_irqrestore(&bnad->bna_lock, flags);
339
340 coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo *
341 BFI_COALESCING_TIMER_UNIT;
342 coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo *
343 BFI_COALESCING_TIMER_UNIT;
344 coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT;
345
346 return 0;
347 }
348
349 static int
350 bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
351 {
352 struct bnad *bnad = netdev_priv(netdev);
353 unsigned long flags;
354 int to_del = 0;
355
356 if (coalesce->rx_coalesce_usecs == 0 ||
357 coalesce->rx_coalesce_usecs >
358 BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
359 return -EINVAL;
360
361 if (coalesce->tx_coalesce_usecs == 0 ||
362 coalesce->tx_coalesce_usecs >
363 BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
364 return -EINVAL;
365
366 mutex_lock(&bnad->conf_mutex);
367 /*
368 * Do not need to store rx_coalesce_usecs here
369 * Every time DIM is disabled, we can get it from the
370 * stack.
371 */
372 spin_lock_irqsave(&bnad->bna_lock, flags);
373 if (coalesce->use_adaptive_rx_coalesce) {
374 if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) {
375 bnad->cfg_flags |= BNAD_CF_DIM_ENABLED;
376 bnad_dim_timer_start(bnad);
377 }
378 } else {
379 if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) {
380 bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED;
381 if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED &&
382 test_bit(BNAD_RF_DIM_TIMER_RUNNING,
383 &bnad->run_flags)) {
384 clear_bit(BNAD_RF_DIM_TIMER_RUNNING,
385 &bnad->run_flags);
386 to_del = 1;
387 }
388 spin_unlock_irqrestore(&bnad->bna_lock, flags);
389 if (to_del)
390 del_timer_sync(&bnad->dim_timer);
391 spin_lock_irqsave(&bnad->bna_lock, flags);
392 bnad_rx_coalescing_timeo_set(bnad);
393 }
394 }
395 if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs /
396 BFI_COALESCING_TIMER_UNIT) {
397 bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs /
398 BFI_COALESCING_TIMER_UNIT;
399 bnad_tx_coalescing_timeo_set(bnad);
400 }
401
402 if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs /
403 BFI_COALESCING_TIMER_UNIT) {
404 bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs /
405 BFI_COALESCING_TIMER_UNIT;
406
407 if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED))
408 bnad_rx_coalescing_timeo_set(bnad);
409
410 }
411
412 /* Add Tx Inter-pkt DMA count? */
413
414 spin_unlock_irqrestore(&bnad->bna_lock, flags);
415
416 mutex_unlock(&bnad->conf_mutex);
417 return 0;
418 }
419
420 static void
421 bnad_get_ringparam(struct net_device *netdev,
422 struct ethtool_ringparam *ringparam)
423 {
424 struct bnad *bnad = netdev_priv(netdev);
425
426 ringparam->rx_max_pending = BNAD_MAX_RXQ_DEPTH;
427 ringparam->tx_max_pending = BNAD_MAX_TXQ_DEPTH;
428
429 ringparam->rx_pending = bnad->rxq_depth;
430 ringparam->tx_pending = bnad->txq_depth;
431 }
432
433 static int
434 bnad_set_ringparam(struct net_device *netdev,
435 struct ethtool_ringparam *ringparam)
436 {
437 int i, current_err, err = 0;
438 struct bnad *bnad = netdev_priv(netdev);
439 unsigned long flags;
440
441 mutex_lock(&bnad->conf_mutex);
442 if (ringparam->rx_pending == bnad->rxq_depth &&
443 ringparam->tx_pending == bnad->txq_depth) {
444 mutex_unlock(&bnad->conf_mutex);
445 return 0;
446 }
447
448 if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH ||
449 ringparam->rx_pending > BNAD_MAX_RXQ_DEPTH ||
450 !is_power_of_2(ringparam->rx_pending)) {
451 mutex_unlock(&bnad->conf_mutex);
452 return -EINVAL;
453 }
454 if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH ||
455 ringparam->tx_pending > BNAD_MAX_TXQ_DEPTH ||
456 !is_power_of_2(ringparam->tx_pending)) {
457 mutex_unlock(&bnad->conf_mutex);
458 return -EINVAL;
459 }
460
461 if (ringparam->rx_pending != bnad->rxq_depth) {
462 bnad->rxq_depth = ringparam->rx_pending;
463 if (!netif_running(netdev)) {
464 mutex_unlock(&bnad->conf_mutex);
465 return 0;
466 }
467
468 for (i = 0; i < bnad->num_rx; i++) {
469 if (!bnad->rx_info[i].rx)
470 continue;
471 bnad_destroy_rx(bnad, i);
472 current_err = bnad_setup_rx(bnad, i);
473 if (current_err && !err)
474 err = current_err;
475 }
476
477 if (!err && bnad->rx_info[0].rx) {
478 /* restore rx configuration */
479 bnad_restore_vlans(bnad, 0);
480 bnad_enable_default_bcast(bnad);
481 spin_lock_irqsave(&bnad->bna_lock, flags);
482 bnad_mac_addr_set_locked(bnad, netdev->dev_addr);
483 spin_unlock_irqrestore(&bnad->bna_lock, flags);
484 bnad->cfg_flags &= ~(BNAD_CF_ALLMULTI |
485 BNAD_CF_PROMISC);
486 bnad_set_rx_mode(netdev);
487 }
488 }
489 if (ringparam->tx_pending != bnad->txq_depth) {
490 bnad->txq_depth = ringparam->tx_pending;
491 if (!netif_running(netdev)) {
492 mutex_unlock(&bnad->conf_mutex);
493 return 0;
494 }
495
496 for (i = 0; i < bnad->num_tx; i++) {
497 if (!bnad->tx_info[i].tx)
498 continue;
499 bnad_destroy_tx(bnad, i);
500 current_err = bnad_setup_tx(bnad, i);
501 if (current_err && !err)
502 err = current_err;
503 }
504 }
505
506 mutex_unlock(&bnad->conf_mutex);
507 return err;
508 }
509
510 static void
511 bnad_get_pauseparam(struct net_device *netdev,
512 struct ethtool_pauseparam *pauseparam)
513 {
514 struct bnad *bnad = netdev_priv(netdev);
515
516 pauseparam->autoneg = 0;
517 pauseparam->rx_pause = bnad->bna.enet.pause_config.rx_pause;
518 pauseparam->tx_pause = bnad->bna.enet.pause_config.tx_pause;
519 }
520
521 static int
522 bnad_set_pauseparam(struct net_device *netdev,
523 struct ethtool_pauseparam *pauseparam)
524 {
525 struct bnad *bnad = netdev_priv(netdev);
526 struct bna_pause_config pause_config;
527 unsigned long flags;
528
529 if (pauseparam->autoneg == AUTONEG_ENABLE)
530 return -EINVAL;
531
532 mutex_lock(&bnad->conf_mutex);
533 if (pauseparam->rx_pause != bnad->bna.enet.pause_config.rx_pause ||
534 pauseparam->tx_pause != bnad->bna.enet.pause_config.tx_pause) {
535 pause_config.rx_pause = pauseparam->rx_pause;
536 pause_config.tx_pause = pauseparam->tx_pause;
537 spin_lock_irqsave(&bnad->bna_lock, flags);
538 bna_enet_pause_config(&bnad->bna.enet, &pause_config);
539 spin_unlock_irqrestore(&bnad->bna_lock, flags);
540 }
541 mutex_unlock(&bnad->conf_mutex);
542 return 0;
543 }
544
545 static void
546 bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string)
547 {
548 struct bnad *bnad = netdev_priv(netdev);
549 int i, j, q_num;
550 u32 bmap;
551
552 mutex_lock(&bnad->conf_mutex);
553
554 switch (stringset) {
555 case ETH_SS_STATS:
556 for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) {
557 BUG_ON(!(strlen(bnad_net_stats_strings[i]) <
558 ETH_GSTRING_LEN));
559 memcpy(string, bnad_net_stats_strings[i],
560 ETH_GSTRING_LEN);
561 string += ETH_GSTRING_LEN;
562 }
563 bmap = bna_tx_rid_mask(&bnad->bna);
564 for (i = 0; bmap; i++) {
565 if (bmap & 1) {
566 sprintf(string, "txf%d_ucast_octets", i);
567 string += ETH_GSTRING_LEN;
568 sprintf(string, "txf%d_ucast", i);
569 string += ETH_GSTRING_LEN;
570 sprintf(string, "txf%d_ucast_vlan", i);
571 string += ETH_GSTRING_LEN;
572 sprintf(string, "txf%d_mcast_octets", i);
573 string += ETH_GSTRING_LEN;
574 sprintf(string, "txf%d_mcast", i);
575 string += ETH_GSTRING_LEN;
576 sprintf(string, "txf%d_mcast_vlan", i);
577 string += ETH_GSTRING_LEN;
578 sprintf(string, "txf%d_bcast_octets", i);
579 string += ETH_GSTRING_LEN;
580 sprintf(string, "txf%d_bcast", i);
581 string += ETH_GSTRING_LEN;
582 sprintf(string, "txf%d_bcast_vlan", i);
583 string += ETH_GSTRING_LEN;
584 sprintf(string, "txf%d_errors", i);
585 string += ETH_GSTRING_LEN;
586 sprintf(string, "txf%d_filter_vlan", i);
587 string += ETH_GSTRING_LEN;
588 sprintf(string, "txf%d_filter_mac_sa", i);
589 string += ETH_GSTRING_LEN;
590 }
591 bmap >>= 1;
592 }
593
594 bmap = bna_rx_rid_mask(&bnad->bna);
595 for (i = 0; bmap; i++) {
596 if (bmap & 1) {
597 sprintf(string, "rxf%d_ucast_octets", i);
598 string += ETH_GSTRING_LEN;
599 sprintf(string, "rxf%d_ucast", i);
600 string += ETH_GSTRING_LEN;
601 sprintf(string, "rxf%d_ucast_vlan", i);
602 string += ETH_GSTRING_LEN;
603 sprintf(string, "rxf%d_mcast_octets", i);
604 string += ETH_GSTRING_LEN;
605 sprintf(string, "rxf%d_mcast", i);
606 string += ETH_GSTRING_LEN;
607 sprintf(string, "rxf%d_mcast_vlan", i);
608 string += ETH_GSTRING_LEN;
609 sprintf(string, "rxf%d_bcast_octets", i);
610 string += ETH_GSTRING_LEN;
611 sprintf(string, "rxf%d_bcast", i);
612 string += ETH_GSTRING_LEN;
613 sprintf(string, "rxf%d_bcast_vlan", i);
614 string += ETH_GSTRING_LEN;
615 sprintf(string, "rxf%d_frame_drops", i);
616 string += ETH_GSTRING_LEN;
617 }
618 bmap >>= 1;
619 }
620
621 q_num = 0;
622 for (i = 0; i < bnad->num_rx; i++) {
623 if (!bnad->rx_info[i].rx)
624 continue;
625 for (j = 0; j < bnad->num_rxp_per_rx; j++) {
626 sprintf(string, "cq%d_producer_index", q_num);
627 string += ETH_GSTRING_LEN;
628 sprintf(string, "cq%d_consumer_index", q_num);
629 string += ETH_GSTRING_LEN;
630 sprintf(string, "cq%d_hw_producer_index",
631 q_num);
632 string += ETH_GSTRING_LEN;
633 sprintf(string, "cq%d_intr", q_num);
634 string += ETH_GSTRING_LEN;
635 sprintf(string, "cq%d_poll", q_num);
636 string += ETH_GSTRING_LEN;
637 sprintf(string, "cq%d_schedule", q_num);
638 string += ETH_GSTRING_LEN;
639 sprintf(string, "cq%d_keep_poll", q_num);
640 string += ETH_GSTRING_LEN;
641 sprintf(string, "cq%d_complete", q_num);
642 string += ETH_GSTRING_LEN;
643 q_num++;
644 }
645 }
646
647 q_num = 0;
648 for (i = 0; i < bnad->num_rx; i++) {
649 if (!bnad->rx_info[i].rx)
650 continue;
651 for (j = 0; j < bnad->num_rxp_per_rx; j++) {
652 sprintf(string, "rxq%d_packets", q_num);
653 string += ETH_GSTRING_LEN;
654 sprintf(string, "rxq%d_bytes", q_num);
655 string += ETH_GSTRING_LEN;
656 sprintf(string, "rxq%d_packets_with_error",
657 q_num);
658 string += ETH_GSTRING_LEN;
659 sprintf(string, "rxq%d_allocbuf_failed", q_num);
660 string += ETH_GSTRING_LEN;
661 sprintf(string, "rxq%d_producer_index", q_num);
662 string += ETH_GSTRING_LEN;
663 sprintf(string, "rxq%d_consumer_index", q_num);
664 string += ETH_GSTRING_LEN;
665 q_num++;
666 if (bnad->rx_info[i].rx_ctrl[j].ccb &&
667 bnad->rx_info[i].rx_ctrl[j].ccb->
668 rcb[1] &&
669 bnad->rx_info[i].rx_ctrl[j].ccb->
670 rcb[1]->rxq) {
671 sprintf(string, "rxq%d_packets", q_num);
672 string += ETH_GSTRING_LEN;
673 sprintf(string, "rxq%d_bytes", q_num);
674 string += ETH_GSTRING_LEN;
675 sprintf(string,
676 "rxq%d_packets_with_error", q_num);
677 string += ETH_GSTRING_LEN;
678 sprintf(string, "rxq%d_allocbuf_failed",
679 q_num);
680 string += ETH_GSTRING_LEN;
681 sprintf(string, "rxq%d_producer_index",
682 q_num);
683 string += ETH_GSTRING_LEN;
684 sprintf(string, "rxq%d_consumer_index",
685 q_num);
686 string += ETH_GSTRING_LEN;
687 q_num++;
688 }
689 }
690 }
691
692 q_num = 0;
693 for (i = 0; i < bnad->num_tx; i++) {
694 if (!bnad->tx_info[i].tx)
695 continue;
696 for (j = 0; j < bnad->num_txq_per_tx; j++) {
697 sprintf(string, "txq%d_packets", q_num);
698 string += ETH_GSTRING_LEN;
699 sprintf(string, "txq%d_bytes", q_num);
700 string += ETH_GSTRING_LEN;
701 sprintf(string, "txq%d_producer_index", q_num);
702 string += ETH_GSTRING_LEN;
703 sprintf(string, "txq%d_consumer_index", q_num);
704 string += ETH_GSTRING_LEN;
705 sprintf(string, "txq%d_hw_consumer_index",
706 q_num);
707 string += ETH_GSTRING_LEN;
708 q_num++;
709 }
710 }
711
712 break;
713
714 default:
715 break;
716 }
717
718 mutex_unlock(&bnad->conf_mutex);
719 }
720
721 static int
722 bnad_get_stats_count_locked(struct net_device *netdev)
723 {
724 struct bnad *bnad = netdev_priv(netdev);
725 int i, j, count = 0, rxf_active_num = 0, txf_active_num = 0;
726 u32 bmap;
727
728 bmap = bna_tx_rid_mask(&bnad->bna);
729 for (i = 0; bmap; i++) {
730 if (bmap & 1)
731 txf_active_num++;
732 bmap >>= 1;
733 }
734 bmap = bna_rx_rid_mask(&bnad->bna);
735 for (i = 0; bmap; i++) {
736 if (bmap & 1)
737 rxf_active_num++;
738 bmap >>= 1;
739 }
740 count = BNAD_ETHTOOL_STATS_NUM +
741 txf_active_num * BNAD_NUM_TXF_COUNTERS +
742 rxf_active_num * BNAD_NUM_RXF_COUNTERS;
743
744 for (i = 0; i < bnad->num_rx; i++) {
745 if (!bnad->rx_info[i].rx)
746 continue;
747 count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS;
748 count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS;
749 for (j = 0; j < bnad->num_rxp_per_rx; j++)
750 if (bnad->rx_info[i].rx_ctrl[j].ccb &&
751 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
752 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq)
753 count += BNAD_NUM_RXQ_COUNTERS;
754 }
755
756 for (i = 0; i < bnad->num_tx; i++) {
757 if (!bnad->tx_info[i].tx)
758 continue;
759 count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS;
760 }
761 return count;
762 }
763
764 static int
765 bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi)
766 {
767 int i, j;
768 struct bna_rcb *rcb = NULL;
769 struct bna_tcb *tcb = NULL;
770
771 for (i = 0; i < bnad->num_rx; i++) {
772 if (!bnad->rx_info[i].rx)
773 continue;
774 for (j = 0; j < bnad->num_rxp_per_rx; j++)
775 if (bnad->rx_info[i].rx_ctrl[j].ccb &&
776 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
777 bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) {
778 buf[bi++] = bnad->rx_info[i].rx_ctrl[j].
779 ccb->producer_index;
780 buf[bi++] = 0; /* ccb->consumer_index */
781 buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j].
782 ccb->hw_producer_index);
783
784 buf[bi++] = bnad->rx_info[i].
785 rx_ctrl[j].rx_intr_ctr;
786 buf[bi++] = bnad->rx_info[i].
787 rx_ctrl[j].rx_poll_ctr;
788 buf[bi++] = bnad->rx_info[i].
789 rx_ctrl[j].rx_schedule;
790 buf[bi++] = bnad->rx_info[i].
791 rx_ctrl[j].rx_keep_poll;
792 buf[bi++] = bnad->rx_info[i].
793 rx_ctrl[j].rx_complete;
794 }
795 }
796 for (i = 0; i < bnad->num_rx; i++) {
797 if (!bnad->rx_info[i].rx)
798 continue;
799 for (j = 0; j < bnad->num_rxp_per_rx; j++)
800 if (bnad->rx_info[i].rx_ctrl[j].ccb) {
801 if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
802 bnad->rx_info[i].rx_ctrl[j].ccb->
803 rcb[0]->rxq) {
804 rcb = bnad->rx_info[i].rx_ctrl[j].
805 ccb->rcb[0];
806 buf[bi++] = rcb->rxq->rx_packets;
807 buf[bi++] = rcb->rxq->rx_bytes;
808 buf[bi++] = rcb->rxq->
809 rx_packets_with_error;
810 buf[bi++] = rcb->rxq->
811 rxbuf_alloc_failed;
812 buf[bi++] = rcb->rxq->rxbuf_map_failed;
813 buf[bi++] = rcb->producer_index;
814 buf[bi++] = rcb->consumer_index;
815 }
816 if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
817 bnad->rx_info[i].rx_ctrl[j].ccb->
818 rcb[1]->rxq) {
819 rcb = bnad->rx_info[i].rx_ctrl[j].
820 ccb->rcb[1];
821 buf[bi++] = rcb->rxq->rx_packets;
822 buf[bi++] = rcb->rxq->rx_bytes;
823 buf[bi++] = rcb->rxq->
824 rx_packets_with_error;
825 buf[bi++] = rcb->rxq->
826 rxbuf_alloc_failed;
827 buf[bi++] = rcb->rxq->rxbuf_map_failed;
828 buf[bi++] = rcb->producer_index;
829 buf[bi++] = rcb->consumer_index;
830 }
831 }
832 }
833
834 for (i = 0; i < bnad->num_tx; i++) {
835 if (!bnad->tx_info[i].tx)
836 continue;
837 for (j = 0; j < bnad->num_txq_per_tx; j++)
838 if (bnad->tx_info[i].tcb[j] &&
839 bnad->tx_info[i].tcb[j]->txq) {
840 tcb = bnad->tx_info[i].tcb[j];
841 buf[bi++] = tcb->txq->tx_packets;
842 buf[bi++] = tcb->txq->tx_bytes;
843 buf[bi++] = tcb->producer_index;
844 buf[bi++] = tcb->consumer_index;
845 buf[bi++] = *(tcb->hw_consumer_index);
846 }
847 }
848
849 return bi;
850 }
851
852 static void
853 bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats,
854 u64 *buf)
855 {
856 struct bnad *bnad = netdev_priv(netdev);
857 int i, j, bi;
858 unsigned long flags;
859 struct rtnl_link_stats64 *net_stats64;
860 u64 *stats64;
861 u32 bmap;
862
863 mutex_lock(&bnad->conf_mutex);
864 if (bnad_get_stats_count_locked(netdev) != stats->n_stats) {
865 mutex_unlock(&bnad->conf_mutex);
866 return;
867 }
868
869 /*
870 * Used bna_lock to sync reads from bna_stats, which is written
871 * under the same lock
872 */
873 spin_lock_irqsave(&bnad->bna_lock, flags);
874 bi = 0;
875 memset(buf, 0, stats->n_stats * sizeof(u64));
876
877 net_stats64 = (struct rtnl_link_stats64 *)buf;
878 bnad_netdev_qstats_fill(bnad, net_stats64);
879 bnad_netdev_hwstats_fill(bnad, net_stats64);
880
881 bi = sizeof(*net_stats64) / sizeof(u64);
882
883 /* Get netif_queue_stopped from stack */
884 bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev);
885
886 /* Fill driver stats into ethtool buffers */
887 stats64 = (u64 *)&bnad->stats.drv_stats;
888 for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++)
889 buf[bi++] = stats64[i];
890
891 /* Fill hardware stats excluding the rxf/txf into ethtool bufs */
892 stats64 = (u64 *) &bnad->stats.bna_stats->hw_stats;
893 for (i = 0;
894 i < offsetof(struct bfi_enet_stats, rxf_stats[0]) /
895 sizeof(u64);
896 i++)
897 buf[bi++] = stats64[i];
898
899 /* Fill txf stats into ethtool buffers */
900 bmap = bna_tx_rid_mask(&bnad->bna);
901 for (i = 0; bmap; i++) {
902 if (bmap & 1) {
903 stats64 = (u64 *)&bnad->stats.bna_stats->
904 hw_stats.txf_stats[i];
905 for (j = 0; j < sizeof(struct bfi_enet_stats_txf) /
906 sizeof(u64); j++)
907 buf[bi++] = stats64[j];
908 }
909 bmap >>= 1;
910 }
911
912 /* Fill rxf stats into ethtool buffers */
913 bmap = bna_rx_rid_mask(&bnad->bna);
914 for (i = 0; bmap; i++) {
915 if (bmap & 1) {
916 stats64 = (u64 *)&bnad->stats.bna_stats->
917 hw_stats.rxf_stats[i];
918 for (j = 0; j < sizeof(struct bfi_enet_stats_rxf) /
919 sizeof(u64); j++)
920 buf[bi++] = stats64[j];
921 }
922 bmap >>= 1;
923 }
924
925 /* Fill per Q stats into ethtool buffers */
926 bi = bnad_per_q_stats_fill(bnad, buf, bi);
927
928 spin_unlock_irqrestore(&bnad->bna_lock, flags);
929
930 mutex_unlock(&bnad->conf_mutex);
931 }
932
933 static int
934 bnad_get_sset_count(struct net_device *netdev, int sset)
935 {
936 switch (sset) {
937 case ETH_SS_STATS:
938 return bnad_get_stats_count_locked(netdev);
939 default:
940 return -EOPNOTSUPP;
941 }
942 }
943
944 static u32
945 bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
946 u32 *base_offset)
947 {
948 struct bfa_flash_attr *flash_attr;
949 struct bnad_iocmd_comp fcomp;
950 u32 i, flash_part = 0, ret;
951 unsigned long flags = 0;
952
953 flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL);
954 if (!flash_attr)
955 return 0;
956
957 fcomp.bnad = bnad;
958 fcomp.comp_status = 0;
959
960 init_completion(&fcomp.comp);
961 spin_lock_irqsave(&bnad->bna_lock, flags);
962 ret = bfa_nw_flash_get_attr(&bnad->bna.flash, flash_attr,
963 bnad_cb_completion, &fcomp);
964 if (ret != BFA_STATUS_OK) {
965 spin_unlock_irqrestore(&bnad->bna_lock, flags);
966 kfree(flash_attr);
967 return 0;
968 }
969 spin_unlock_irqrestore(&bnad->bna_lock, flags);
970 wait_for_completion(&fcomp.comp);
971 ret = fcomp.comp_status;
972
973 /* Check for the flash type & base offset value */
974 if (ret == BFA_STATUS_OK) {
975 for (i = 0; i < flash_attr->npart; i++) {
976 if (offset >= flash_attr->part[i].part_off &&
977 offset < (flash_attr->part[i].part_off +
978 flash_attr->part[i].part_size)) {
979 flash_part = flash_attr->part[i].part_type;
980 *base_offset = flash_attr->part[i].part_off;
981 break;
982 }
983 }
984 }
985 kfree(flash_attr);
986 return flash_part;
987 }
988
989 static int
990 bnad_get_eeprom_len(struct net_device *netdev)
991 {
992 return BFA_TOTAL_FLASH_SIZE;
993 }
994
995 static int
996 bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
997 u8 *bytes)
998 {
999 struct bnad *bnad = netdev_priv(netdev);
1000 struct bnad_iocmd_comp fcomp;
1001 u32 flash_part = 0, base_offset = 0;
1002 unsigned long flags = 0;
1003 int ret = 0;
1004
1005 /* Fill the magic value */
1006 eeprom->magic = bnad->pcidev->vendor | (bnad->pcidev->device << 16);
1007
1008 /* Query the flash partition based on the offset */
1009 flash_part = bnad_get_flash_partition_by_offset(bnad,
1010 eeprom->offset, &base_offset);
1011 if (flash_part == 0)
1012 return -EFAULT;
1013
1014 fcomp.bnad = bnad;
1015 fcomp.comp_status = 0;
1016
1017 init_completion(&fcomp.comp);
1018 spin_lock_irqsave(&bnad->bna_lock, flags);
1019 ret = bfa_nw_flash_read_part(&bnad->bna.flash, flash_part,
1020 bnad->id, bytes, eeprom->len,
1021 eeprom->offset - base_offset,
1022 bnad_cb_completion, &fcomp);
1023 if (ret != BFA_STATUS_OK) {
1024 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1025 goto done;
1026 }
1027
1028 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1029 wait_for_completion(&fcomp.comp);
1030 ret = fcomp.comp_status;
1031 done:
1032 return ret;
1033 }
1034
1035 static int
1036 bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
1037 u8 *bytes)
1038 {
1039 struct bnad *bnad = netdev_priv(netdev);
1040 struct bnad_iocmd_comp fcomp;
1041 u32 flash_part = 0, base_offset = 0;
1042 unsigned long flags = 0;
1043 int ret = 0;
1044
1045 /* Check if the flash update request is valid */
1046 if (eeprom->magic != (bnad->pcidev->vendor |
1047 (bnad->pcidev->device << 16)))
1048 return -EINVAL;
1049
1050 /* Query the flash partition based on the offset */
1051 flash_part = bnad_get_flash_partition_by_offset(bnad,
1052 eeprom->offset, &base_offset);
1053 if (flash_part == 0)
1054 return -EFAULT;
1055
1056 fcomp.bnad = bnad;
1057 fcomp.comp_status = 0;
1058
1059 init_completion(&fcomp.comp);
1060 spin_lock_irqsave(&bnad->bna_lock, flags);
1061 ret = bfa_nw_flash_update_part(&bnad->bna.flash, flash_part,
1062 bnad->id, bytes, eeprom->len,
1063 eeprom->offset - base_offset,
1064 bnad_cb_completion, &fcomp);
1065 if (ret != BFA_STATUS_OK) {
1066 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1067 goto done;
1068 }
1069
1070 spin_unlock_irqrestore(&bnad->bna_lock, flags);
1071 wait_for_completion(&fcomp.comp);
1072 ret = fcomp.comp_status;
1073 done:
1074 return ret;
1075 }
1076
1077 static int
1078 bnad_flash_device(struct net_device *netdev, struct ethtool_flash *eflash)
1079 {
1080 struct bnad *bnad = netdev_priv(netdev);
1081 struct bnad_iocmd_comp fcomp;
1082 const struct firmware *fw;
1083 int ret = 0;
1084
1085 ret = request_firmware(&fw, eflash->data, &bnad->pcidev->dev);
1086 if (ret) {
1087 netdev_err(netdev, "can't load firmware %s\n", eflash->data);
1088 goto out;
1089 }
1090
1091 fcomp.bnad = bnad;
1092 fcomp.comp_status = 0;
1093
1094 init_completion(&fcomp.comp);
1095 spin_lock_irq(&bnad->bna_lock);
1096 ret = bfa_nw_flash_update_part(&bnad->bna.flash, BFA_FLASH_PART_FWIMG,
1097 bnad->id, (u8 *)fw->data, fw->size, 0,
1098 bnad_cb_completion, &fcomp);
1099 if (ret != BFA_STATUS_OK) {
1100 netdev_warn(netdev, "flash update failed with err=%d\n", ret);
1101 ret = -EIO;
1102 spin_unlock_irq(&bnad->bna_lock);
1103 goto out;
1104 }
1105
1106 spin_unlock_irq(&bnad->bna_lock);
1107 wait_for_completion(&fcomp.comp);
1108 if (fcomp.comp_status != BFA_STATUS_OK) {
1109 ret = -EIO;
1110 netdev_warn(netdev,
1111 "firmware image update failed with err=%d\n",
1112 fcomp.comp_status);
1113 }
1114 out:
1115 release_firmware(fw);
1116 return ret;
1117 }
1118
1119 static const struct ethtool_ops bnad_ethtool_ops = {
1120 .get_settings = bnad_get_settings,
1121 .set_settings = bnad_set_settings,
1122 .get_drvinfo = bnad_get_drvinfo,
1123 .get_wol = bnad_get_wol,
1124 .get_link = ethtool_op_get_link,
1125 .get_coalesce = bnad_get_coalesce,
1126 .set_coalesce = bnad_set_coalesce,
1127 .get_ringparam = bnad_get_ringparam,
1128 .set_ringparam = bnad_set_ringparam,
1129 .get_pauseparam = bnad_get_pauseparam,
1130 .set_pauseparam = bnad_set_pauseparam,
1131 .get_strings = bnad_get_strings,
1132 .get_ethtool_stats = bnad_get_ethtool_stats,
1133 .get_sset_count = bnad_get_sset_count,
1134 .get_eeprom_len = bnad_get_eeprom_len,
1135 .get_eeprom = bnad_get_eeprom,
1136 .set_eeprom = bnad_set_eeprom,
1137 .flash_device = bnad_flash_device,
1138 .get_ts_info = ethtool_op_get_ts_info,
1139 };
1140
1141 void
1142 bnad_set_ethtool_ops(struct net_device *netdev)
1143 {
1144 netdev->ethtool_ops = &bnad_ethtool_ops;
1145 }
Linux kernel - Deliverables
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