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bnad_ethtool.c
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1 /*
2  * Linux network driver for Brocade 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) 2005-2010 Brocade Communications Systems, Inc.
15  * All rights reserved
16  * www.brocade.com
17  */
18 
19 #include "cna.h"
20 
21 #include <linux/netdevice.h>
22 #include <linux/skbuff.h>
23 #include <linux/ethtool.h>
24 #include <linux/rtnetlink.h>
25 
26 #include "bna.h"
27 
28 #include "bnad.h"
29 
30 #define BNAD_NUM_TXF_COUNTERS 12
31 #define BNAD_NUM_RXF_COUNTERS 10
32 #define BNAD_NUM_CQ_COUNTERS (3 + 5)
33 #define BNAD_NUM_RXQ_COUNTERS 6
34 #define BNAD_NUM_TXQ_COUNTERS 5
35 
36 #define BNAD_ETHTOOL_STATS_NUM \
37  (sizeof(struct rtnl_link_stats64) / sizeof(u64) + \
38  sizeof(struct bnad_drv_stats) / sizeof(u64) + \
39  offsetof(struct bfi_enet_stats, rxf_stats[0]) / sizeof(u64))
40 
41 static const char *bnad_net_stats_strings[BNAD_ETHTOOL_STATS_NUM] = {
42  "rx_packets",
43  "tx_packets",
44  "rx_bytes",
45  "tx_bytes",
46  "rx_errors",
47  "tx_errors",
48  "rx_dropped",
49  "tx_dropped",
50  "multicast",
51  "collisions",
52 
53  "rx_length_errors",
54  "rx_over_errors",
55  "rx_crc_errors",
56  "rx_frame_errors",
57  "rx_fifo_errors",
58  "rx_missed_errors",
59 
60  "tx_aborted_errors",
61  "tx_carrier_errors",
62  "tx_fifo_errors",
63  "tx_heartbeat_errors",
64  "tx_window_errors",
65 
66  "rx_compressed",
67  "tx_compressed",
68 
69  "netif_queue_stop",
70  "netif_queue_wakeup",
71  "netif_queue_stopped",
72  "tso4",
73  "tso6",
74  "tso_err",
75  "tcpcsum_offload",
76  "udpcsum_offload",
77  "csum_help",
78  "tx_skb_too_short",
79  "tx_skb_stopping",
80  "tx_skb_max_vectors",
81  "tx_skb_mss_too_long",
82  "tx_skb_tso_too_short",
83  "tx_skb_tso_prepare",
84  "tx_skb_non_tso_too_long",
85  "tx_skb_tcp_hdr",
86  "tx_skb_udp_hdr",
87  "tx_skb_csum_err",
88  "tx_skb_headlen_too_long",
89  "tx_skb_headlen_zero",
90  "tx_skb_frag_zero",
91  "tx_skb_len_mismatch",
92  "hw_stats_updates",
93  "netif_rx_dropped",
94 
95  "link_toggle",
96  "cee_toggle",
97 
98  "rxp_info_alloc_failed",
99  "mbox_intr_disabled",
100  "mbox_intr_enabled",
101  "tx_unmap_q_alloc_failed",
102  "rx_unmap_q_alloc_failed",
103  "rxbuf_alloc_failed",
104 
105  "mac_frame_64",
106  "mac_frame_65_127",
107  "mac_frame_128_255",
108  "mac_frame_256_511",
109  "mac_frame_512_1023",
110  "mac_frame_1024_1518",
111  "mac_frame_1518_1522",
112  "mac_rx_bytes",
113  "mac_rx_packets",
114  "mac_rx_fcs_error",
115  "mac_rx_multicast",
116  "mac_rx_broadcast",
117  "mac_rx_control_frames",
118  "mac_rx_pause",
119  "mac_rx_unknown_opcode",
120  "mac_rx_alignment_error",
121  "mac_rx_frame_length_error",
122  "mac_rx_code_error",
123  "mac_rx_carrier_sense_error",
124  "mac_rx_undersize",
125  "mac_rx_oversize",
126  "mac_rx_fragments",
127  "mac_rx_jabber",
128  "mac_rx_drop",
129 
130  "mac_tx_bytes",
131  "mac_tx_packets",
132  "mac_tx_multicast",
133  "mac_tx_broadcast",
134  "mac_tx_pause",
135  "mac_tx_deferral",
136  "mac_tx_excessive_deferral",
137  "mac_tx_single_collision",
138  "mac_tx_muliple_collision",
139  "mac_tx_late_collision",
140  "mac_tx_excessive_collision",
141  "mac_tx_total_collision",
142  "mac_tx_pause_honored",
143  "mac_tx_drop",
144  "mac_tx_jabber",
145  "mac_tx_fcs_error",
146  "mac_tx_control_frame",
147  "mac_tx_oversize",
148  "mac_tx_undersize",
149  "mac_tx_fragments",
150 
151  "bpc_tx_pause_0",
152  "bpc_tx_pause_1",
153  "bpc_tx_pause_2",
154  "bpc_tx_pause_3",
155  "bpc_tx_pause_4",
156  "bpc_tx_pause_5",
157  "bpc_tx_pause_6",
158  "bpc_tx_pause_7",
159  "bpc_tx_zero_pause_0",
160  "bpc_tx_zero_pause_1",
161  "bpc_tx_zero_pause_2",
162  "bpc_tx_zero_pause_3",
163  "bpc_tx_zero_pause_4",
164  "bpc_tx_zero_pause_5",
165  "bpc_tx_zero_pause_6",
166  "bpc_tx_zero_pause_7",
167  "bpc_tx_first_pause_0",
168  "bpc_tx_first_pause_1",
169  "bpc_tx_first_pause_2",
170  "bpc_tx_first_pause_3",
171  "bpc_tx_first_pause_4",
172  "bpc_tx_first_pause_5",
173  "bpc_tx_first_pause_6",
174  "bpc_tx_first_pause_7",
175 
176  "bpc_rx_pause_0",
177  "bpc_rx_pause_1",
178  "bpc_rx_pause_2",
179  "bpc_rx_pause_3",
180  "bpc_rx_pause_4",
181  "bpc_rx_pause_5",
182  "bpc_rx_pause_6",
183  "bpc_rx_pause_7",
184  "bpc_rx_zero_pause_0",
185  "bpc_rx_zero_pause_1",
186  "bpc_rx_zero_pause_2",
187  "bpc_rx_zero_pause_3",
188  "bpc_rx_zero_pause_4",
189  "bpc_rx_zero_pause_5",
190  "bpc_rx_zero_pause_6",
191  "bpc_rx_zero_pause_7",
192  "bpc_rx_first_pause_0",
193  "bpc_rx_first_pause_1",
194  "bpc_rx_first_pause_2",
195  "bpc_rx_first_pause_3",
196  "bpc_rx_first_pause_4",
197  "bpc_rx_first_pause_5",
198  "bpc_rx_first_pause_6",
199  "bpc_rx_first_pause_7",
200 
201  "rad_rx_frames",
202  "rad_rx_octets",
203  "rad_rx_vlan_frames",
204  "rad_rx_ucast",
205  "rad_rx_ucast_octets",
206  "rad_rx_ucast_vlan",
207  "rad_rx_mcast",
208  "rad_rx_mcast_octets",
209  "rad_rx_mcast_vlan",
210  "rad_rx_bcast",
211  "rad_rx_bcast_octets",
212  "rad_rx_bcast_vlan",
213  "rad_rx_drops",
214 
215  "rlb_rad_rx_frames",
216  "rlb_rad_rx_octets",
217  "rlb_rad_rx_vlan_frames",
218  "rlb_rad_rx_ucast",
219  "rlb_rad_rx_ucast_octets",
220  "rlb_rad_rx_ucast_vlan",
221  "rlb_rad_rx_mcast",
222  "rlb_rad_rx_mcast_octets",
223  "rlb_rad_rx_mcast_vlan",
224  "rlb_rad_rx_bcast",
225  "rlb_rad_rx_bcast_octets",
226  "rlb_rad_rx_bcast_vlan",
227  "rlb_rad_rx_drops",
228 
229  "fc_rx_ucast_octets",
230  "fc_rx_ucast",
231  "fc_rx_ucast_vlan",
232  "fc_rx_mcast_octets",
233  "fc_rx_mcast",
234  "fc_rx_mcast_vlan",
235  "fc_rx_bcast_octets",
236  "fc_rx_bcast",
237  "fc_rx_bcast_vlan",
238 
239  "fc_tx_ucast_octets",
240  "fc_tx_ucast",
241  "fc_tx_ucast_vlan",
242  "fc_tx_mcast_octets",
243  "fc_tx_mcast",
244  "fc_tx_mcast_vlan",
245  "fc_tx_bcast_octets",
246  "fc_tx_bcast",
247  "fc_tx_bcast_vlan",
248  "fc_tx_parity_errors",
249  "fc_tx_timeout",
250  "fc_tx_fid_parity_errors",
251 };
252 
253 static int
254 bnad_get_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
255 {
256  cmd->supported = SUPPORTED_10000baseT_Full;
257  cmd->advertising = ADVERTISED_10000baseT_Full;
258  cmd->autoneg = AUTONEG_DISABLE;
259  cmd->supported |= SUPPORTED_FIBRE;
260  cmd->advertising |= ADVERTISED_FIBRE;
261  cmd->port = PORT_FIBRE;
262  cmd->phy_address = 0;
263 
264  if (netif_carrier_ok(netdev)) {
265  ethtool_cmd_speed_set(cmd, SPEED_10000);
266  cmd->duplex = DUPLEX_FULL;
267  } else {
268  ethtool_cmd_speed_set(cmd, -1);
269  cmd->duplex = -1;
270  }
271  cmd->transceiver = XCVR_EXTERNAL;
272  cmd->maxtxpkt = 0;
273  cmd->maxrxpkt = 0;
274 
275  return 0;
276 }
277 
278 static int
279 bnad_set_settings(struct net_device *netdev, struct ethtool_cmd *cmd)
280 {
281  /* 10G full duplex setting supported only */
282  if (cmd->autoneg == AUTONEG_ENABLE)
283  return -EOPNOTSUPP; else {
284  if ((ethtool_cmd_speed(cmd) == SPEED_10000)
285  && (cmd->duplex == DUPLEX_FULL))
286  return 0;
287  }
288 
289  return -EOPNOTSUPP;
290 }
291 
292 static void
293 bnad_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
294 {
295  struct bnad *bnad = netdev_priv(netdev);
296  struct bfa_ioc_attr *ioc_attr;
297  unsigned long flags;
298 
299  strlcpy(drvinfo->driver, BNAD_NAME, sizeof(drvinfo->driver));
300  strlcpy(drvinfo->version, BNAD_VERSION, sizeof(drvinfo->version));
301 
302  ioc_attr = kzalloc(sizeof(*ioc_attr), GFP_KERNEL);
303  if (ioc_attr) {
304  spin_lock_irqsave(&bnad->bna_lock, flags);
305  bfa_nw_ioc_get_attr(&bnad->bna.ioceth.ioc, ioc_attr);
306  spin_unlock_irqrestore(&bnad->bna_lock, flags);
307 
308  strlcpy(drvinfo->fw_version, ioc_attr->adapter_attr.fw_ver,
309  sizeof(drvinfo->fw_version));
310  kfree(ioc_attr);
311  }
312 
313  strlcpy(drvinfo->bus_info, pci_name(bnad->pcidev),
314  sizeof(drvinfo->bus_info));
315 }
316 
317 static void
318 bnad_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wolinfo)
319 {
320  wolinfo->supported = 0;
321  wolinfo->wolopts = 0;
322 }
323 
324 static int
325 bnad_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
326 {
327  struct bnad *bnad = netdev_priv(netdev);
328  unsigned long flags;
329 
330  /* Lock rqd. to access bnad->bna_lock */
331  spin_lock_irqsave(&bnad->bna_lock, flags);
332  coalesce->use_adaptive_rx_coalesce =
333  (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) ? true : false;
334  spin_unlock_irqrestore(&bnad->bna_lock, flags);
335 
336  coalesce->rx_coalesce_usecs = bnad->rx_coalescing_timeo *
337  BFI_COALESCING_TIMER_UNIT;
338  coalesce->tx_coalesce_usecs = bnad->tx_coalescing_timeo *
339  BFI_COALESCING_TIMER_UNIT;
340  coalesce->tx_max_coalesced_frames = BFI_TX_INTERPKT_COUNT;
341 
342  return 0;
343 }
344 
345 static int
346 bnad_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *coalesce)
347 {
348  struct bnad *bnad = netdev_priv(netdev);
349  unsigned long flags;
350  int to_del = 0;
351 
352  if (coalesce->rx_coalesce_usecs == 0 ||
353  coalesce->rx_coalesce_usecs >
354  BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
355  return -EINVAL;
356 
357  if (coalesce->tx_coalesce_usecs == 0 ||
358  coalesce->tx_coalesce_usecs >
359  BFI_MAX_COALESCING_TIMEO * BFI_COALESCING_TIMER_UNIT)
360  return -EINVAL;
361 
362  mutex_lock(&bnad->conf_mutex);
363  /*
364  * Do not need to store rx_coalesce_usecs here
365  * Every time DIM is disabled, we can get it from the
366  * stack.
367  */
368  spin_lock_irqsave(&bnad->bna_lock, flags);
369  if (coalesce->use_adaptive_rx_coalesce) {
370  if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED)) {
371  bnad->cfg_flags |= BNAD_CF_DIM_ENABLED;
372  bnad_dim_timer_start(bnad);
373  }
374  } else {
375  if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED) {
376  bnad->cfg_flags &= ~BNAD_CF_DIM_ENABLED;
377  if (bnad->cfg_flags & BNAD_CF_DIM_ENABLED &&
378  test_bit(BNAD_RF_DIM_TIMER_RUNNING,
379  &bnad->run_flags)) {
380  clear_bit(BNAD_RF_DIM_TIMER_RUNNING,
381  &bnad->run_flags);
382  to_del = 1;
383  }
384  spin_unlock_irqrestore(&bnad->bna_lock, flags);
385  if (to_del)
386  del_timer_sync(&bnad->dim_timer);
387  spin_lock_irqsave(&bnad->bna_lock, flags);
388  bnad_rx_coalescing_timeo_set(bnad);
389  }
390  }
391  if (bnad->tx_coalescing_timeo != coalesce->tx_coalesce_usecs /
392  BFI_COALESCING_TIMER_UNIT) {
393  bnad->tx_coalescing_timeo = coalesce->tx_coalesce_usecs /
394  BFI_COALESCING_TIMER_UNIT;
395  bnad_tx_coalescing_timeo_set(bnad);
396  }
397 
398  if (bnad->rx_coalescing_timeo != coalesce->rx_coalesce_usecs /
399  BFI_COALESCING_TIMER_UNIT) {
400  bnad->rx_coalescing_timeo = coalesce->rx_coalesce_usecs /
401  BFI_COALESCING_TIMER_UNIT;
402 
403  if (!(bnad->cfg_flags & BNAD_CF_DIM_ENABLED))
404  bnad_rx_coalescing_timeo_set(bnad);
405 
406  }
407 
408  /* Add Tx Inter-pkt DMA count? */
409 
410  spin_unlock_irqrestore(&bnad->bna_lock, flags);
411 
412  mutex_unlock(&bnad->conf_mutex);
413  return 0;
414 }
415 
416 static void
417 bnad_get_ringparam(struct net_device *netdev,
418  struct ethtool_ringparam *ringparam)
419 {
420  struct bnad *bnad = netdev_priv(netdev);
421 
422  ringparam->rx_max_pending = BNAD_MAX_RXQ_DEPTH;
423  ringparam->tx_max_pending = BNAD_MAX_TXQ_DEPTH;
424 
425  ringparam->rx_pending = bnad->rxq_depth;
426  ringparam->tx_pending = bnad->txq_depth;
427 }
428 
429 static int
430 bnad_set_ringparam(struct net_device *netdev,
431  struct ethtool_ringparam *ringparam)
432 {
433  int i, current_err, err = 0;
434  struct bnad *bnad = netdev_priv(netdev);
435  unsigned long flags;
436 
437  mutex_lock(&bnad->conf_mutex);
438  if (ringparam->rx_pending == bnad->rxq_depth &&
439  ringparam->tx_pending == bnad->txq_depth) {
440  mutex_unlock(&bnad->conf_mutex);
441  return 0;
442  }
443 
444  if (ringparam->rx_pending < BNAD_MIN_Q_DEPTH ||
445  ringparam->rx_pending > BNAD_MAX_RXQ_DEPTH ||
446  !BNA_POWER_OF_2(ringparam->rx_pending)) {
447  mutex_unlock(&bnad->conf_mutex);
448  return -EINVAL;
449  }
450  if (ringparam->tx_pending < BNAD_MIN_Q_DEPTH ||
451  ringparam->tx_pending > BNAD_MAX_TXQ_DEPTH ||
452  !BNA_POWER_OF_2(ringparam->tx_pending)) {
453  mutex_unlock(&bnad->conf_mutex);
454  return -EINVAL;
455  }
456 
457  if (ringparam->rx_pending != bnad->rxq_depth) {
458  bnad->rxq_depth = ringparam->rx_pending;
459  if (!netif_running(netdev)) {
460  mutex_unlock(&bnad->conf_mutex);
461  return 0;
462  }
463 
464  for (i = 0; i < bnad->num_rx; i++) {
465  if (!bnad->rx_info[i].rx)
466  continue;
467  bnad_destroy_rx(bnad, i);
468  current_err = bnad_setup_rx(bnad, i);
469  if (current_err && !err)
470  err = current_err;
471  }
472 
473  if (!err && bnad->rx_info[0].rx) {
474  /* restore rx configuration */
475  bnad_restore_vlans(bnad, 0);
476  bnad_enable_default_bcast(bnad);
477  spin_lock_irqsave(&bnad->bna_lock, flags);
478  bnad_mac_addr_set_locked(bnad, netdev->dev_addr);
479  spin_unlock_irqrestore(&bnad->bna_lock, flags);
480  bnad->cfg_flags &= ~(BNAD_CF_ALLMULTI |
481  BNAD_CF_PROMISC);
482  bnad_set_rx_mode(netdev);
483  }
484  }
485  if (ringparam->tx_pending != bnad->txq_depth) {
486  bnad->txq_depth = ringparam->tx_pending;
487  if (!netif_running(netdev)) {
488  mutex_unlock(&bnad->conf_mutex);
489  return 0;
490  }
491 
492  for (i = 0; i < bnad->num_tx; i++) {
493  if (!bnad->tx_info[i].tx)
494  continue;
495  bnad_destroy_tx(bnad, i);
496  current_err = bnad_setup_tx(bnad, i);
497  if (current_err && !err)
498  err = current_err;
499  }
500  }
501 
502  mutex_unlock(&bnad->conf_mutex);
503  return err;
504 }
505 
506 static void
507 bnad_get_pauseparam(struct net_device *netdev,
508  struct ethtool_pauseparam *pauseparam)
509 {
510  struct bnad *bnad = netdev_priv(netdev);
511 
512  pauseparam->autoneg = 0;
513  pauseparam->rx_pause = bnad->bna.enet.pause_config.rx_pause;
514  pauseparam->tx_pause = bnad->bna.enet.pause_config.tx_pause;
515 }
516 
517 static int
518 bnad_set_pauseparam(struct net_device *netdev,
519  struct ethtool_pauseparam *pauseparam)
520 {
521  struct bnad *bnad = netdev_priv(netdev);
522  struct bna_pause_config pause_config;
523  unsigned long flags;
524 
525  if (pauseparam->autoneg == AUTONEG_ENABLE)
526  return -EINVAL;
527 
528  mutex_lock(&bnad->conf_mutex);
529  if (pauseparam->rx_pause != bnad->bna.enet.pause_config.rx_pause ||
530  pauseparam->tx_pause != bnad->bna.enet.pause_config.tx_pause) {
531  pause_config.rx_pause = pauseparam->rx_pause;
532  pause_config.tx_pause = pauseparam->tx_pause;
533  spin_lock_irqsave(&bnad->bna_lock, flags);
534  bna_enet_pause_config(&bnad->bna.enet, &pause_config, NULL);
535  spin_unlock_irqrestore(&bnad->bna_lock, flags);
536  }
537  mutex_unlock(&bnad->conf_mutex);
538  return 0;
539 }
540 
541 static void
542 bnad_get_strings(struct net_device *netdev, u32 stringset, u8 *string)
543 {
544  struct bnad *bnad = netdev_priv(netdev);
545  int i, j, q_num;
546  u32 bmap;
547 
548  mutex_lock(&bnad->conf_mutex);
549 
550  switch (stringset) {
551  case ETH_SS_STATS:
552  for (i = 0; i < BNAD_ETHTOOL_STATS_NUM; i++) {
553  BUG_ON(!(strlen(bnad_net_stats_strings[i]) <
554  ETH_GSTRING_LEN));
555  memcpy(string, bnad_net_stats_strings[i],
556  ETH_GSTRING_LEN);
557  string += ETH_GSTRING_LEN;
558  }
559  bmap = bna_tx_rid_mask(&bnad->bna);
560  for (i = 0; bmap; i++) {
561  if (bmap & 1) {
562  sprintf(string, "txf%d_ucast_octets", i);
563  string += ETH_GSTRING_LEN;
564  sprintf(string, "txf%d_ucast", i);
565  string += ETH_GSTRING_LEN;
566  sprintf(string, "txf%d_ucast_vlan", i);
567  string += ETH_GSTRING_LEN;
568  sprintf(string, "txf%d_mcast_octets", i);
569  string += ETH_GSTRING_LEN;
570  sprintf(string, "txf%d_mcast", i);
571  string += ETH_GSTRING_LEN;
572  sprintf(string, "txf%d_mcast_vlan", i);
573  string += ETH_GSTRING_LEN;
574  sprintf(string, "txf%d_bcast_octets", i);
575  string += ETH_GSTRING_LEN;
576  sprintf(string, "txf%d_bcast", i);
577  string += ETH_GSTRING_LEN;
578  sprintf(string, "txf%d_bcast_vlan", i);
579  string += ETH_GSTRING_LEN;
580  sprintf(string, "txf%d_errors", i);
581  string += ETH_GSTRING_LEN;
582  sprintf(string, "txf%d_filter_vlan", i);
583  string += ETH_GSTRING_LEN;
584  sprintf(string, "txf%d_filter_mac_sa", i);
585  string += ETH_GSTRING_LEN;
586  }
587  bmap >>= 1;
588  }
589 
590  bmap = bna_rx_rid_mask(&bnad->bna);
591  for (i = 0; bmap; i++) {
592  if (bmap & 1) {
593  sprintf(string, "rxf%d_ucast_octets", i);
594  string += ETH_GSTRING_LEN;
595  sprintf(string, "rxf%d_ucast", i);
596  string += ETH_GSTRING_LEN;
597  sprintf(string, "rxf%d_ucast_vlan", i);
598  string += ETH_GSTRING_LEN;
599  sprintf(string, "rxf%d_mcast_octets", i);
600  string += ETH_GSTRING_LEN;
601  sprintf(string, "rxf%d_mcast", i);
602  string += ETH_GSTRING_LEN;
603  sprintf(string, "rxf%d_mcast_vlan", i);
604  string += ETH_GSTRING_LEN;
605  sprintf(string, "rxf%d_bcast_octets", i);
606  string += ETH_GSTRING_LEN;
607  sprintf(string, "rxf%d_bcast", i);
608  string += ETH_GSTRING_LEN;
609  sprintf(string, "rxf%d_bcast_vlan", i);
610  string += ETH_GSTRING_LEN;
611  sprintf(string, "rxf%d_frame_drops", i);
612  string += ETH_GSTRING_LEN;
613  }
614  bmap >>= 1;
615  }
616 
617  q_num = 0;
618  for (i = 0; i < bnad->num_rx; i++) {
619  if (!bnad->rx_info[i].rx)
620  continue;
621  for (j = 0; j < bnad->num_rxp_per_rx; j++) {
622  sprintf(string, "cq%d_producer_index", q_num);
623  string += ETH_GSTRING_LEN;
624  sprintf(string, "cq%d_consumer_index", q_num);
625  string += ETH_GSTRING_LEN;
626  sprintf(string, "cq%d_hw_producer_index",
627  q_num);
628  string += ETH_GSTRING_LEN;
629  sprintf(string, "cq%d_intr", q_num);
630  string += ETH_GSTRING_LEN;
631  sprintf(string, "cq%d_poll", q_num);
632  string += ETH_GSTRING_LEN;
633  sprintf(string, "cq%d_schedule", q_num);
634  string += ETH_GSTRING_LEN;
635  sprintf(string, "cq%d_keep_poll", q_num);
636  string += ETH_GSTRING_LEN;
637  sprintf(string, "cq%d_complete", q_num);
638  string += ETH_GSTRING_LEN;
639  q_num++;
640  }
641  }
642 
643  q_num = 0;
644  for (i = 0; i < bnad->num_rx; i++) {
645  if (!bnad->rx_info[i].rx)
646  continue;
647  for (j = 0; j < bnad->num_rxp_per_rx; j++) {
648  sprintf(string, "rxq%d_packets", q_num);
649  string += ETH_GSTRING_LEN;
650  sprintf(string, "rxq%d_bytes", q_num);
651  string += ETH_GSTRING_LEN;
652  sprintf(string, "rxq%d_packets_with_error",
653  q_num);
654  string += ETH_GSTRING_LEN;
655  sprintf(string, "rxq%d_allocbuf_failed", q_num);
656  string += ETH_GSTRING_LEN;
657  sprintf(string, "rxq%d_producer_index", q_num);
658  string += ETH_GSTRING_LEN;
659  sprintf(string, "rxq%d_consumer_index", q_num);
660  string += ETH_GSTRING_LEN;
661  q_num++;
662  if (bnad->rx_info[i].rx_ctrl[j].ccb &&
663  bnad->rx_info[i].rx_ctrl[j].ccb->
664  rcb[1] &&
665  bnad->rx_info[i].rx_ctrl[j].ccb->
666  rcb[1]->rxq) {
667  sprintf(string, "rxq%d_packets", q_num);
668  string += ETH_GSTRING_LEN;
669  sprintf(string, "rxq%d_bytes", q_num);
670  string += ETH_GSTRING_LEN;
671  sprintf(string,
672  "rxq%d_packets_with_error", q_num);
673  string += ETH_GSTRING_LEN;
674  sprintf(string, "rxq%d_allocbuf_failed",
675  q_num);
676  string += ETH_GSTRING_LEN;
677  sprintf(string, "rxq%d_producer_index",
678  q_num);
679  string += ETH_GSTRING_LEN;
680  sprintf(string, "rxq%d_consumer_index",
681  q_num);
682  string += ETH_GSTRING_LEN;
683  q_num++;
684  }
685  }
686  }
687 
688  q_num = 0;
689  for (i = 0; i < bnad->num_tx; i++) {
690  if (!bnad->tx_info[i].tx)
691  continue;
692  for (j = 0; j < bnad->num_txq_per_tx; j++) {
693  sprintf(string, "txq%d_packets", q_num);
694  string += ETH_GSTRING_LEN;
695  sprintf(string, "txq%d_bytes", q_num);
696  string += ETH_GSTRING_LEN;
697  sprintf(string, "txq%d_producer_index", q_num);
698  string += ETH_GSTRING_LEN;
699  sprintf(string, "txq%d_consumer_index", q_num);
700  string += ETH_GSTRING_LEN;
701  sprintf(string, "txq%d_hw_consumer_index",
702  q_num);
703  string += ETH_GSTRING_LEN;
704  q_num++;
705  }
706  }
707 
708  break;
709 
710  default:
711  break;
712  }
713 
714  mutex_unlock(&bnad->conf_mutex);
715 }
716 
717 static int
718 bnad_get_stats_count_locked(struct net_device *netdev)
719 {
720  struct bnad *bnad = netdev_priv(netdev);
721  int i, j, count = 0, rxf_active_num = 0, txf_active_num = 0;
722  u32 bmap;
723 
724  bmap = bna_tx_rid_mask(&bnad->bna);
725  for (i = 0; bmap; i++) {
726  if (bmap & 1)
727  txf_active_num++;
728  bmap >>= 1;
729  }
730  bmap = bna_rx_rid_mask(&bnad->bna);
731  for (i = 0; bmap; i++) {
732  if (bmap & 1)
733  rxf_active_num++;
734  bmap >>= 1;
735  }
736  count = BNAD_ETHTOOL_STATS_NUM +
737  txf_active_num * BNAD_NUM_TXF_COUNTERS +
738  rxf_active_num * BNAD_NUM_RXF_COUNTERS;
739 
740  for (i = 0; i < bnad->num_rx; i++) {
741  if (!bnad->rx_info[i].rx)
742  continue;
743  count += bnad->num_rxp_per_rx * BNAD_NUM_CQ_COUNTERS;
744  count += bnad->num_rxp_per_rx * BNAD_NUM_RXQ_COUNTERS;
745  for (j = 0; j < bnad->num_rxp_per_rx; j++)
746  if (bnad->rx_info[i].rx_ctrl[j].ccb &&
747  bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
748  bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1]->rxq)
749  count += BNAD_NUM_RXQ_COUNTERS;
750  }
751 
752  for (i = 0; i < bnad->num_tx; i++) {
753  if (!bnad->tx_info[i].tx)
754  continue;
755  count += bnad->num_txq_per_tx * BNAD_NUM_TXQ_COUNTERS;
756  }
757  return count;
758 }
759 
760 static int
761 bnad_per_q_stats_fill(struct bnad *bnad, u64 *buf, int bi)
762 {
763  int i, j;
764  struct bna_rcb *rcb = NULL;
765  struct bna_tcb *tcb = NULL;
766 
767  for (i = 0; i < bnad->num_rx; i++) {
768  if (!bnad->rx_info[i].rx)
769  continue;
770  for (j = 0; j < bnad->num_rxp_per_rx; j++)
771  if (bnad->rx_info[i].rx_ctrl[j].ccb &&
772  bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
773  bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0]->rxq) {
774  buf[bi++] = bnad->rx_info[i].rx_ctrl[j].
775  ccb->producer_index;
776  buf[bi++] = 0; /* ccb->consumer_index */
777  buf[bi++] = *(bnad->rx_info[i].rx_ctrl[j].
778  ccb->hw_producer_index);
779 
780  buf[bi++] = bnad->rx_info[i].
781  rx_ctrl[j].rx_intr_ctr;
782  buf[bi++] = bnad->rx_info[i].
783  rx_ctrl[j].rx_poll_ctr;
784  buf[bi++] = bnad->rx_info[i].
785  rx_ctrl[j].rx_schedule;
786  buf[bi++] = bnad->rx_info[i].
787  rx_ctrl[j].rx_keep_poll;
788  buf[bi++] = bnad->rx_info[i].
789  rx_ctrl[j].rx_complete;
790  }
791  }
792  for (i = 0; i < bnad->num_rx; i++) {
793  if (!bnad->rx_info[i].rx)
794  continue;
795  for (j = 0; j < bnad->num_rxp_per_rx; j++)
796  if (bnad->rx_info[i].rx_ctrl[j].ccb) {
797  if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[0] &&
798  bnad->rx_info[i].rx_ctrl[j].ccb->
799  rcb[0]->rxq) {
800  rcb = bnad->rx_info[i].rx_ctrl[j].
801  ccb->rcb[0];
802  buf[bi++] = rcb->rxq->rx_packets;
803  buf[bi++] = rcb->rxq->rx_bytes;
804  buf[bi++] = rcb->rxq->
805  rx_packets_with_error;
806  buf[bi++] = rcb->rxq->
807  rxbuf_alloc_failed;
808  buf[bi++] = rcb->producer_index;
809  buf[bi++] = rcb->consumer_index;
810  }
811  if (bnad->rx_info[i].rx_ctrl[j].ccb->rcb[1] &&
812  bnad->rx_info[i].rx_ctrl[j].ccb->
813  rcb[1]->rxq) {
814  rcb = bnad->rx_info[i].rx_ctrl[j].
815  ccb->rcb[1];
816  buf[bi++] = rcb->rxq->rx_packets;
817  buf[bi++] = rcb->rxq->rx_bytes;
818  buf[bi++] = rcb->rxq->
819  rx_packets_with_error;
820  buf[bi++] = rcb->rxq->
821  rxbuf_alloc_failed;
822  buf[bi++] = rcb->producer_index;
823  buf[bi++] = rcb->consumer_index;
824  }
825  }
826  }
827 
828  for (i = 0; i < bnad->num_tx; i++) {
829  if (!bnad->tx_info[i].tx)
830  continue;
831  for (j = 0; j < bnad->num_txq_per_tx; j++)
832  if (bnad->tx_info[i].tcb[j] &&
833  bnad->tx_info[i].tcb[j]->txq) {
834  tcb = bnad->tx_info[i].tcb[j];
835  buf[bi++] = tcb->txq->tx_packets;
836  buf[bi++] = tcb->txq->tx_bytes;
837  buf[bi++] = tcb->producer_index;
838  buf[bi++] = tcb->consumer_index;
839  buf[bi++] = *(tcb->hw_consumer_index);
840  }
841  }
842 
843  return bi;
844 }
845 
846 static void
847 bnad_get_ethtool_stats(struct net_device *netdev, struct ethtool_stats *stats,
848  u64 *buf)
849 {
850  struct bnad *bnad = netdev_priv(netdev);
851  int i, j, bi;
852  unsigned long flags;
853  struct rtnl_link_stats64 *net_stats64;
854  u64 *stats64;
855  u32 bmap;
856 
857  mutex_lock(&bnad->conf_mutex);
858  if (bnad_get_stats_count_locked(netdev) != stats->n_stats) {
859  mutex_unlock(&bnad->conf_mutex);
860  return;
861  }
862 
863  /*
864  * Used bna_lock to sync reads from bna_stats, which is written
865  * under the same lock
866  */
867  spin_lock_irqsave(&bnad->bna_lock, flags);
868  bi = 0;
869  memset(buf, 0, stats->n_stats * sizeof(u64));
870 
871  net_stats64 = (struct rtnl_link_stats64 *)buf;
872  bnad_netdev_qstats_fill(bnad, net_stats64);
873  bnad_netdev_hwstats_fill(bnad, net_stats64);
874 
875  bi = sizeof(*net_stats64) / sizeof(u64);
876 
877  /* Get netif_queue_stopped from stack */
878  bnad->stats.drv_stats.netif_queue_stopped = netif_queue_stopped(netdev);
879 
880  /* Fill driver stats into ethtool buffers */
881  stats64 = (u64 *)&bnad->stats.drv_stats;
882  for (i = 0; i < sizeof(struct bnad_drv_stats) / sizeof(u64); i++)
883  buf[bi++] = stats64[i];
884 
885  /* Fill hardware stats excluding the rxf/txf into ethtool bufs */
886  stats64 = (u64 *) &bnad->stats.bna_stats->hw_stats;
887  for (i = 0;
888  i < offsetof(struct bfi_enet_stats, rxf_stats[0]) /
889  sizeof(u64);
890  i++)
891  buf[bi++] = stats64[i];
892 
893  /* Fill txf stats into ethtool buffers */
894  bmap = bna_tx_rid_mask(&bnad->bna);
895  for (i = 0; bmap; i++) {
896  if (bmap & 1) {
897  stats64 = (u64 *)&bnad->stats.bna_stats->
898  hw_stats.txf_stats[i];
899  for (j = 0; j < sizeof(struct bfi_enet_stats_txf) /
900  sizeof(u64); j++)
901  buf[bi++] = stats64[j];
902  }
903  bmap >>= 1;
904  }
905 
906  /* Fill rxf stats into ethtool buffers */
907  bmap = bna_rx_rid_mask(&bnad->bna);
908  for (i = 0; bmap; i++) {
909  if (bmap & 1) {
910  stats64 = (u64 *)&bnad->stats.bna_stats->
911  hw_stats.rxf_stats[i];
912  for (j = 0; j < sizeof(struct bfi_enet_stats_rxf) /
913  sizeof(u64); j++)
914  buf[bi++] = stats64[j];
915  }
916  bmap >>= 1;
917  }
918 
919  /* Fill per Q stats into ethtool buffers */
920  bi = bnad_per_q_stats_fill(bnad, buf, bi);
921 
922  spin_unlock_irqrestore(&bnad->bna_lock, flags);
923 
924  mutex_unlock(&bnad->conf_mutex);
925 }
926 
927 static int
928 bnad_get_sset_count(struct net_device *netdev, int sset)
929 {
930  switch (sset) {
931  case ETH_SS_STATS:
932  return bnad_get_stats_count_locked(netdev);
933  default:
934  return -EOPNOTSUPP;
935  }
936 }
937 
938 static u32
939 bnad_get_flash_partition_by_offset(struct bnad *bnad, u32 offset,
940  u32 *base_offset)
941 {
942  struct bfa_flash_attr *flash_attr;
943  struct bnad_iocmd_comp fcomp;
944  u32 i, flash_part = 0, ret;
945  unsigned long flags = 0;
946 
947  flash_attr = kzalloc(sizeof(struct bfa_flash_attr), GFP_KERNEL);
948  if (!flash_attr)
949  return 0;
950 
951  fcomp.bnad = bnad;
952  fcomp.comp_status = 0;
953 
954  init_completion(&fcomp.comp);
955  spin_lock_irqsave(&bnad->bna_lock, flags);
956  ret = bfa_nw_flash_get_attr(&bnad->bna.flash, flash_attr,
957  bnad_cb_completion, &fcomp);
958  if (ret != BFA_STATUS_OK) {
959  spin_unlock_irqrestore(&bnad->bna_lock, flags);
960  kfree(flash_attr);
961  return 0;
962  }
963  spin_unlock_irqrestore(&bnad->bna_lock, flags);
964  wait_for_completion(&fcomp.comp);
965  ret = fcomp.comp_status;
966 
967  /* Check for the flash type & base offset value */
968  if (ret == BFA_STATUS_OK) {
969  for (i = 0; i < flash_attr->npart; i++) {
970  if (offset >= flash_attr->part[i].part_off &&
971  offset < (flash_attr->part[i].part_off +
972  flash_attr->part[i].part_size)) {
973  flash_part = flash_attr->part[i].part_type;
974  *base_offset = flash_attr->part[i].part_off;
975  break;
976  }
977  }
978  }
979  kfree(flash_attr);
980  return flash_part;
981 }
982 
983 static int
984 bnad_get_eeprom_len(struct net_device *netdev)
985 {
986  return BFA_TOTAL_FLASH_SIZE;
987 }
988 
989 static int
990 bnad_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
991  u8 *bytes)
992 {
993  struct bnad *bnad = netdev_priv(netdev);
994  struct bnad_iocmd_comp fcomp;
995  u32 flash_part = 0, base_offset = 0;
996  unsigned long flags = 0;
997  int ret = 0;
998 
999  /* Check if the flash read request is valid */
1000  if (eeprom->magic != (bnad->pcidev->vendor |
1001  (bnad->pcidev->device << 16)))
1002  return -EFAULT;
1003 
1004  /* Query the flash partition based on the offset */
1005  flash_part = bnad_get_flash_partition_by_offset(bnad,
1006  eeprom->offset, &base_offset);
1007  if (flash_part == 0)
1008  return -EFAULT;
1009 
1010  fcomp.bnad = bnad;
1011  fcomp.comp_status = 0;
1012 
1013  init_completion(&fcomp.comp);
1014  spin_lock_irqsave(&bnad->bna_lock, flags);
1015  ret = bfa_nw_flash_read_part(&bnad->bna.flash, flash_part,
1016  bnad->id, bytes, eeprom->len,
1017  eeprom->offset - base_offset,
1018  bnad_cb_completion, &fcomp);
1019  if (ret != BFA_STATUS_OK) {
1020  spin_unlock_irqrestore(&bnad->bna_lock, flags);
1021  goto done;
1022  }
1023 
1024  spin_unlock_irqrestore(&bnad->bna_lock, flags);
1025  wait_for_completion(&fcomp.comp);
1026  ret = fcomp.comp_status;
1027 done:
1028  return ret;
1029 }
1030 
1031 static int
1032 bnad_set_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
1033  u8 *bytes)
1034 {
1035  struct bnad *bnad = netdev_priv(netdev);
1036  struct bnad_iocmd_comp fcomp;
1037  u32 flash_part = 0, base_offset = 0;
1038  unsigned long flags = 0;
1039  int ret = 0;
1040 
1041  /* Check if the flash update request is valid */
1042  if (eeprom->magic != (bnad->pcidev->vendor |
1043  (bnad->pcidev->device << 16)))
1044  return -EINVAL;
1045 
1046  /* Query the flash partition based on the offset */
1047  flash_part = bnad_get_flash_partition_by_offset(bnad,
1048  eeprom->offset, &base_offset);
1049  if (flash_part == 0)
1050  return -EFAULT;
1051 
1052  fcomp.bnad = bnad;
1053  fcomp.comp_status = 0;
1054 
1055  init_completion(&fcomp.comp);
1056  spin_lock_irqsave(&bnad->bna_lock, flags);
1057  ret = bfa_nw_flash_update_part(&bnad->bna.flash, flash_part,
1058  bnad->id, bytes, eeprom->len,
1059  eeprom->offset - base_offset,
1060  bnad_cb_completion, &fcomp);
1061  if (ret != BFA_STATUS_OK) {
1062  spin_unlock_irqrestore(&bnad->bna_lock, flags);
1063  goto done;
1064  }
1065 
1066  spin_unlock_irqrestore(&bnad->bna_lock, flags);
1067  wait_for_completion(&fcomp.comp);
1068  ret = fcomp.comp_status;
1069 done:
1070  return ret;
1071 }
1072 
1073 static int
1074 bnad_flash_device(struct net_device *netdev, struct ethtool_flash *eflash)
1075 {
1076  struct bnad *bnad = netdev_priv(netdev);
1077  struct bnad_iocmd_comp fcomp;
1078  const struct firmware *fw;
1079  int ret = 0;
1080 
1081  ret = request_firmware(&fw, eflash->data, &bnad->pcidev->dev);
1082  if (ret) {
1083  pr_err("BNA: Can't locate firmware %s\n", eflash->data);
1084  goto out;
1085  }
1086 
1087  fcomp.bnad = bnad;
1088  fcomp.comp_status = 0;
1089 
1090  init_completion(&fcomp.comp);
1091  spin_lock_irq(&bnad->bna_lock);
1092  ret = bfa_nw_flash_update_part(&bnad->bna.flash, BFA_FLASH_PART_FWIMG,
1093  bnad->id, (u8 *)fw->data, fw->size, 0,
1094  bnad_cb_completion, &fcomp);
1095  if (ret != BFA_STATUS_OK) {
1096  pr_warn("BNA: Flash update failed with err: %d\n", ret);
1097  ret = -EIO;
1098  spin_unlock_irq(&bnad->bna_lock);
1099  goto out;
1100  }
1101 
1102  spin_unlock_irq(&bnad->bna_lock);
1103  wait_for_completion(&fcomp.comp);
1104  if (fcomp.comp_status != BFA_STATUS_OK) {
1105  ret = -EIO;
1106  pr_warn("BNA: Firmware image update to flash failed with: %d\n",
1107  fcomp.comp_status);
1108  }
1109 out:
1110  release_firmware(fw);
1111  return ret;
1112 }
1113 
1114 static const struct ethtool_ops bnad_ethtool_ops = {
1115  .get_settings = bnad_get_settings,
1116  .set_settings = bnad_set_settings,
1117  .get_drvinfo = bnad_get_drvinfo,
1118  .get_wol = bnad_get_wol,
1119  .get_link = ethtool_op_get_link,
1120  .get_coalesce = bnad_get_coalesce,
1121  .set_coalesce = bnad_set_coalesce,
1122  .get_ringparam = bnad_get_ringparam,
1123  .set_ringparam = bnad_set_ringparam,
1124  .get_pauseparam = bnad_get_pauseparam,
1125  .set_pauseparam = bnad_set_pauseparam,
1126  .get_strings = bnad_get_strings,
1127  .get_ethtool_stats = bnad_get_ethtool_stats,
1128  .get_sset_count = bnad_get_sset_count,
1129  .get_eeprom_len = bnad_get_eeprom_len,
1130  .get_eeprom = bnad_get_eeprom,
1131  .set_eeprom = bnad_set_eeprom,
1132  .flash_device = bnad_flash_device,
1133 };
1134 
1135 void
1136 bnad_set_ethtool_ops(struct net_device *netdev)
1137 {
1138  SET_ETHTOOL_OPS(netdev, &bnad_ethtool_ops);
1139 }
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