projects / deliverable / linux.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
blame | history | raw | HEAD
be2net: Implement initiate FW dump feature for Lancer
[deliverable/linux.git] / drivers / net / ethernet / emulex / benet / be_ethtool.c
1 /*
2 * Copyright (C) 2005 - 2013 Emulex
3 * All rights reserved.
4 *
5 * This program is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU General Public License version 2
7 * as published by the Free Software Foundation. The full GNU General
8 * Public License is included in this distribution in the file called COPYING.
9 *
10 * Contact Information:
11 * linux-drivers@emulex.com
12 *
13 * Emulex
14 * 3333 Susan Street
15 * Costa Mesa, CA 92626
16 */
17
18 #include "be.h"
19 #include "be_cmds.h"
20 #include <linux/ethtool.h>
21
22 struct be_ethtool_stat {
23 char desc[ETH_GSTRING_LEN];
24 int type;
25 int size;
26 int offset;
27 };
28
29 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
30 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
31 offsetof(_struct, field)
32 #define DRVSTAT_TX_INFO(field) #field, DRVSTAT_TX,\
33 FIELDINFO(struct be_tx_stats, field)
34 #define DRVSTAT_RX_INFO(field) #field, DRVSTAT_RX,\
35 FIELDINFO(struct be_rx_stats, field)
36 #define DRVSTAT_INFO(field) #field, DRVSTAT,\
37 FIELDINFO(struct be_drv_stats, field)
38
39 static const struct be_ethtool_stat et_stats[] = {
40 {DRVSTAT_INFO(rx_crc_errors)},
41 {DRVSTAT_INFO(rx_alignment_symbol_errors)},
42 {DRVSTAT_INFO(rx_pause_frames)},
43 {DRVSTAT_INFO(rx_control_frames)},
44 /* Received packets dropped when the Ethernet length field
45 * is not equal to the actual Ethernet data length.
46 */
47 {DRVSTAT_INFO(rx_in_range_errors)},
48 /* Received packets dropped when their length field is >= 1501 bytes
49 * and <= 1535 bytes.
50 */
51 {DRVSTAT_INFO(rx_out_range_errors)},
52 /* Received packets dropped when they are longer than 9216 bytes */
53 {DRVSTAT_INFO(rx_frame_too_long)},
54 /* Received packets dropped when they don't pass the unicast or
55 * multicast address filtering.
56 */
57 {DRVSTAT_INFO(rx_address_filtered)},
58 /* Received packets dropped when IP packet length field is less than
59 * the IP header length field.
60 */
61 {DRVSTAT_INFO(rx_dropped_too_small)},
62 /* Received packets dropped when IP length field is greater than
63 * the actual packet length.
64 */
65 {DRVSTAT_INFO(rx_dropped_too_short)},
66 /* Received packets dropped when the IP header length field is less
67 * than 5.
68 */
69 {DRVSTAT_INFO(rx_dropped_header_too_small)},
70 /* Received packets dropped when the TCP header length field is less
71 * than 5 or the TCP header length + IP header length is more
72 * than IP packet length.
73 */
74 {DRVSTAT_INFO(rx_dropped_tcp_length)},
75 {DRVSTAT_INFO(rx_dropped_runt)},
76 /* Number of received packets dropped when a fifo for descriptors going
77 * into the packet demux block overflows. In normal operation, this
78 * fifo must never overflow.
79 */
80 {DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
81 {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
82 {DRVSTAT_INFO(rx_ip_checksum_errs)},
83 {DRVSTAT_INFO(rx_tcp_checksum_errs)},
84 {DRVSTAT_INFO(rx_udp_checksum_errs)},
85 {DRVSTAT_INFO(tx_pauseframes)},
86 {DRVSTAT_INFO(tx_controlframes)},
87 {DRVSTAT_INFO(rx_priority_pause_frames)},
88 {DRVSTAT_INFO(tx_priority_pauseframes)},
89 /* Received packets dropped when an internal fifo going into
90 * main packet buffer tank (PMEM) overflows.
91 */
92 {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
93 {DRVSTAT_INFO(jabber_events)},
94 /* Received packets dropped due to lack of available HW packet buffers
95 * used to temporarily hold the received packets.
96 */
97 {DRVSTAT_INFO(rx_drops_no_pbuf)},
98 /* Received packets dropped due to input receive buffer
99 * descriptor fifo overflowing.
100 */
101 {DRVSTAT_INFO(rx_drops_no_erx_descr)},
102 /* Packets dropped because the internal FIFO to the offloaded TCP
103 * receive processing block is full. This could happen only for
104 * offloaded iSCSI or FCoE trarffic.
105 */
106 {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
107 /* Received packets dropped when they need more than 8
108 * receive buffers. This cannot happen as the driver configures
109 * 2048 byte receive buffers.
110 */
111 {DRVSTAT_INFO(rx_drops_too_many_frags)},
112 {DRVSTAT_INFO(forwarded_packets)},
113 /* Received packets dropped when the frame length
114 * is more than 9018 bytes
115 */
116 {DRVSTAT_INFO(rx_drops_mtu)},
117 /* Number of packets dropped due to random early drop function */
118 {DRVSTAT_INFO(eth_red_drops)},
119 {DRVSTAT_INFO(be_on_die_temperature)}
120 };
121 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
122
123 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
124 * are first and second members respectively.
125 */
126 static const struct be_ethtool_stat et_rx_stats[] = {
127 {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
128 {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
129 {DRVSTAT_RX_INFO(rx_compl)},
130 {DRVSTAT_RX_INFO(rx_mcast_pkts)},
131 /* Number of page allocation failures while posting receive buffers
132 * to HW.
133 */
134 {DRVSTAT_RX_INFO(rx_post_fail)},
135 /* Recevied packets dropped due to skb allocation failure */
136 {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
137 /* Received packets dropped due to lack of available fetched buffers
138 * posted by the driver.
139 */
140 {DRVSTAT_RX_INFO(rx_drops_no_frags)}
141 };
142 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
143
144 /* Stats related to multi TX queues: get_stats routine assumes compl is the
145 * first member
146 */
147 static const struct be_ethtool_stat et_tx_stats[] = {
148 {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
149 {DRVSTAT_TX_INFO(tx_bytes)},
150 {DRVSTAT_TX_INFO(tx_pkts)},
151 /* Number of skbs queued for trasmission by the driver */
152 {DRVSTAT_TX_INFO(tx_reqs)},
153 /* Number of TX work request blocks DMAed to HW */
154 {DRVSTAT_TX_INFO(tx_wrbs)},
155 /* Number of times the TX queue was stopped due to lack
156 * of spaces in the TXQ.
157 */
158 {DRVSTAT_TX_INFO(tx_stops)}
159 };
160 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
161
162 static const char et_self_tests[][ETH_GSTRING_LEN] = {
163 "MAC Loopback test",
164 "PHY Loopback test",
165 "External Loopback test",
166 "DDR DMA test",
167 "Link test"
168 };
169
170 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
171 #define BE_MAC_LOOPBACK 0x0
172 #define BE_PHY_LOOPBACK 0x1
173 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
174 #define BE_NO_LOOPBACK 0xff
175
176 static void be_get_drvinfo(struct net_device *netdev,
177 struct ethtool_drvinfo *drvinfo)
178 {
179 struct be_adapter *adapter = netdev_priv(netdev);
180
181 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
182 strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
183 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
184 strlcpy(drvinfo->fw_version, adapter->fw_ver,
185 sizeof(drvinfo->fw_version));
186 else
187 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
188 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
189
190 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
191 sizeof(drvinfo->bus_info));
192 drvinfo->testinfo_len = 0;
193 drvinfo->regdump_len = 0;
194 drvinfo->eedump_len = 0;
195 }
196
197 static u32
198 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
199 {
200 u32 data_read = 0, eof;
201 u8 addn_status;
202 struct be_dma_mem data_len_cmd;
203 int status;
204
205 memset(&data_len_cmd, 0, sizeof(data_len_cmd));
206 /* data_offset and data_size should be 0 to get reg len */
207 status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
208 file_name, &data_read, &eof, &addn_status);
209
210 return data_read;
211 }
212
213 static int
214 lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
215 u32 buf_len, void *buf)
216 {
217 struct be_dma_mem read_cmd;
218 u32 read_len = 0, total_read_len = 0, chunk_size;
219 u32 eof = 0;
220 u8 addn_status;
221 int status = 0;
222
223 read_cmd.size = LANCER_READ_FILE_CHUNK;
224 read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size,
225 &read_cmd.dma);
226
227 if (!read_cmd.va) {
228 dev_err(&adapter->pdev->dev,
229 "Memory allocation failure while reading dump\n");
230 return -ENOMEM;
231 }
232
233 while ((total_read_len < buf_len) && !eof) {
234 chunk_size = min_t(u32, (buf_len - total_read_len),
235 LANCER_READ_FILE_CHUNK);
236 chunk_size = ALIGN(chunk_size, 4);
237 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
238 total_read_len, file_name, &read_len,
239 &eof, &addn_status);
240 if (!status) {
241 memcpy(buf + total_read_len, read_cmd.va, read_len);
242 total_read_len += read_len;
243 eof &= LANCER_READ_FILE_EOF_MASK;
244 } else {
245 status = -EIO;
246 break;
247 }
248 }
249 pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va,
250 read_cmd.dma);
251
252 return status;
253 }
254
255 static int
256 be_get_reg_len(struct net_device *netdev)
257 {
258 struct be_adapter *adapter = netdev_priv(netdev);
259 u32 log_size = 0;
260
261 if (!check_privilege(adapter, MAX_PRIVILEGES))
262 return 0;
263
264 if (be_physfn(adapter)) {
265 if (lancer_chip(adapter))
266 log_size = lancer_cmd_get_file_len(adapter,
267 LANCER_FW_DUMP_FILE);
268 else
269 be_cmd_get_reg_len(adapter, &log_size);
270 }
271 return log_size;
272 }
273
274 static void
275 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
276 {
277 struct be_adapter *adapter = netdev_priv(netdev);
278
279 if (be_physfn(adapter)) {
280 memset(buf, 0, regs->len);
281 if (lancer_chip(adapter))
282 lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
283 regs->len, buf);
284 else
285 be_cmd_get_regs(adapter, regs->len, buf);
286 }
287 }
288
289 static int be_get_coalesce(struct net_device *netdev,
290 struct ethtool_coalesce *et)
291 {
292 struct be_adapter *adapter = netdev_priv(netdev);
293 struct be_eq_obj *eqo = &adapter->eq_obj[0];
294
295
296 et->rx_coalesce_usecs = eqo->cur_eqd;
297 et->rx_coalesce_usecs_high = eqo->max_eqd;
298 et->rx_coalesce_usecs_low = eqo->min_eqd;
299
300 et->tx_coalesce_usecs = eqo->cur_eqd;
301 et->tx_coalesce_usecs_high = eqo->max_eqd;
302 et->tx_coalesce_usecs_low = eqo->min_eqd;
303
304 et->use_adaptive_rx_coalesce = eqo->enable_aic;
305 et->use_adaptive_tx_coalesce = eqo->enable_aic;
306
307 return 0;
308 }
309
310 /* TX attributes are ignored. Only RX attributes are considered
311 * eqd cmd is issued in the worker thread.
312 */
313 static int be_set_coalesce(struct net_device *netdev,
314 struct ethtool_coalesce *et)
315 {
316 struct be_adapter *adapter = netdev_priv(netdev);
317 struct be_eq_obj *eqo;
318 int i;
319
320 for_all_evt_queues(adapter, eqo, i) {
321 eqo->enable_aic = et->use_adaptive_rx_coalesce;
322 eqo->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
323 eqo->min_eqd = min(et->rx_coalesce_usecs_low, eqo->max_eqd);
324 eqo->eqd = et->rx_coalesce_usecs;
325 }
326
327 return 0;
328 }
329
330 static void
331 be_get_ethtool_stats(struct net_device *netdev,
332 struct ethtool_stats *stats, uint64_t *data)
333 {
334 struct be_adapter *adapter = netdev_priv(netdev);
335 struct be_rx_obj *rxo;
336 struct be_tx_obj *txo;
337 void *p;
338 unsigned int i, j, base = 0, start;
339
340 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
341 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
342 data[i] = *(u32 *)p;
343 }
344 base += ETHTOOL_STATS_NUM;
345
346 for_all_rx_queues(adapter, rxo, j) {
347 struct be_rx_stats *stats = rx_stats(rxo);
348
349 do {
350 start = u64_stats_fetch_begin_bh(&stats->sync);
351 data[base] = stats->rx_bytes;
352 data[base + 1] = stats->rx_pkts;
353 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
354
355 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
356 p = (u8 *)stats + et_rx_stats[i].offset;
357 data[base + i] = *(u32 *)p;
358 }
359 base += ETHTOOL_RXSTATS_NUM;
360 }
361
362 for_all_tx_queues(adapter, txo, j) {
363 struct be_tx_stats *stats = tx_stats(txo);
364
365 do {
366 start = u64_stats_fetch_begin_bh(&stats->sync_compl);
367 data[base] = stats->tx_compl;
368 } while (u64_stats_fetch_retry_bh(&stats->sync_compl, start));
369
370 do {
371 start = u64_stats_fetch_begin_bh(&stats->sync);
372 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
373 p = (u8 *)stats + et_tx_stats[i].offset;
374 data[base + i] =
375 (et_tx_stats[i].size == sizeof(u64)) ?
376 *(u64 *)p : *(u32 *)p;
377 }
378 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
379 base += ETHTOOL_TXSTATS_NUM;
380 }
381 }
382
383 static void
384 be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
385 uint8_t *data)
386 {
387 struct be_adapter *adapter = netdev_priv(netdev);
388 int i, j;
389
390 switch (stringset) {
391 case ETH_SS_STATS:
392 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
393 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
394 data += ETH_GSTRING_LEN;
395 }
396 for (i = 0; i < adapter->num_rx_qs; i++) {
397 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
398 sprintf(data, "rxq%d: %s", i,
399 et_rx_stats[j].desc);
400 data += ETH_GSTRING_LEN;
401 }
402 }
403 for (i = 0; i < adapter->num_tx_qs; i++) {
404 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
405 sprintf(data, "txq%d: %s", i,
406 et_tx_stats[j].desc);
407 data += ETH_GSTRING_LEN;
408 }
409 }
410 break;
411 case ETH_SS_TEST:
412 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
413 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
414 data += ETH_GSTRING_LEN;
415 }
416 break;
417 }
418 }
419
420 static int be_get_sset_count(struct net_device *netdev, int stringset)
421 {
422 struct be_adapter *adapter = netdev_priv(netdev);
423
424 switch (stringset) {
425 case ETH_SS_TEST:
426 return ETHTOOL_TESTS_NUM;
427 case ETH_SS_STATS:
428 return ETHTOOL_STATS_NUM +
429 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
430 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
431 default:
432 return -EINVAL;
433 }
434 }
435
436 static u32 be_get_port_type(u32 phy_type, u32 dac_cable_len)
437 {
438 u32 port;
439
440 switch (phy_type) {
441 case PHY_TYPE_BASET_1GB:
442 case PHY_TYPE_BASEX_1GB:
443 case PHY_TYPE_SGMII:
444 port = PORT_TP;
445 break;
446 case PHY_TYPE_SFP_PLUS_10GB:
447 port = dac_cable_len ? PORT_DA : PORT_FIBRE;
448 break;
449 case PHY_TYPE_XFP_10GB:
450 case PHY_TYPE_SFP_1GB:
451 port = PORT_FIBRE;
452 break;
453 case PHY_TYPE_BASET_10GB:
454 port = PORT_TP;
455 break;
456 default:
457 port = PORT_OTHER;
458 }
459
460 return port;
461 }
462
463 static u32 convert_to_et_setting(u32 if_type, u32 if_speeds)
464 {
465 u32 val = 0;
466
467 switch (if_type) {
468 case PHY_TYPE_BASET_1GB:
469 case PHY_TYPE_BASEX_1GB:
470 case PHY_TYPE_SGMII:
471 val |= SUPPORTED_TP;
472 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
473 val |= SUPPORTED_1000baseT_Full;
474 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
475 val |= SUPPORTED_100baseT_Full;
476 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
477 val |= SUPPORTED_10baseT_Full;
478 break;
479 case PHY_TYPE_KX4_10GB:
480 val |= SUPPORTED_Backplane;
481 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
482 val |= SUPPORTED_1000baseKX_Full;
483 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
484 val |= SUPPORTED_10000baseKX4_Full;
485 break;
486 case PHY_TYPE_KR_10GB:
487 val |= SUPPORTED_Backplane |
488 SUPPORTED_10000baseKR_Full;
489 break;
490 case PHY_TYPE_SFP_PLUS_10GB:
491 case PHY_TYPE_XFP_10GB:
492 case PHY_TYPE_SFP_1GB:
493 val |= SUPPORTED_FIBRE;
494 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
495 val |= SUPPORTED_10000baseT_Full;
496 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
497 val |= SUPPORTED_1000baseT_Full;
498 break;
499 case PHY_TYPE_BASET_10GB:
500 val |= SUPPORTED_TP;
501 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
502 val |= SUPPORTED_10000baseT_Full;
503 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
504 val |= SUPPORTED_1000baseT_Full;
505 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
506 val |= SUPPORTED_100baseT_Full;
507 break;
508 default:
509 val |= SUPPORTED_TP;
510 }
511
512 return val;
513 }
514
515 bool be_pause_supported(struct be_adapter *adapter)
516 {
517 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
518 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
519 false : true;
520 }
521
522 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
523 {
524 struct be_adapter *adapter = netdev_priv(netdev);
525 u8 link_status;
526 u16 link_speed = 0;
527 int status;
528 u32 auto_speeds;
529 u32 fixed_speeds;
530 u32 dac_cable_len;
531 u16 interface_type;
532
533 if (adapter->phy.link_speed < 0) {
534 status = be_cmd_link_status_query(adapter, &link_speed,
535 &link_status, 0);
536 if (!status)
537 be_link_status_update(adapter, link_status);
538 ethtool_cmd_speed_set(ecmd, link_speed);
539
540 status = be_cmd_get_phy_info(adapter);
541 if (!status) {
542 interface_type = adapter->phy.interface_type;
543 auto_speeds = adapter->phy.auto_speeds_supported;
544 fixed_speeds = adapter->phy.fixed_speeds_supported;
545 dac_cable_len = adapter->phy.dac_cable_len;
546
547 ecmd->supported =
548 convert_to_et_setting(interface_type,
549 auto_speeds |
550 fixed_speeds);
551 ecmd->advertising =
552 convert_to_et_setting(interface_type,
553 auto_speeds);
554
555 ecmd->port = be_get_port_type(interface_type,
556 dac_cable_len);
557
558 if (adapter->phy.auto_speeds_supported) {
559 ecmd->supported |= SUPPORTED_Autoneg;
560 ecmd->autoneg = AUTONEG_ENABLE;
561 ecmd->advertising |= ADVERTISED_Autoneg;
562 }
563
564 ecmd->supported |= SUPPORTED_Pause;
565 if (be_pause_supported(adapter))
566 ecmd->advertising |= ADVERTISED_Pause;
567
568 switch (adapter->phy.interface_type) {
569 case PHY_TYPE_KR_10GB:
570 case PHY_TYPE_KX4_10GB:
571 ecmd->transceiver = XCVR_INTERNAL;
572 break;
573 default:
574 ecmd->transceiver = XCVR_EXTERNAL;
575 break;
576 }
577 } else {
578 ecmd->port = PORT_OTHER;
579 ecmd->autoneg = AUTONEG_DISABLE;
580 ecmd->transceiver = XCVR_DUMMY1;
581 }
582
583 /* Save for future use */
584 adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
585 adapter->phy.port_type = ecmd->port;
586 adapter->phy.transceiver = ecmd->transceiver;
587 adapter->phy.autoneg = ecmd->autoneg;
588 adapter->phy.advertising = ecmd->advertising;
589 adapter->phy.supported = ecmd->supported;
590 } else {
591 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
592 ecmd->port = adapter->phy.port_type;
593 ecmd->transceiver = adapter->phy.transceiver;
594 ecmd->autoneg = adapter->phy.autoneg;
595 ecmd->advertising = adapter->phy.advertising;
596 ecmd->supported = adapter->phy.supported;
597 }
598
599 ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
600 ecmd->phy_address = adapter->port_num;
601
602 return 0;
603 }
604
605 static void be_get_ringparam(struct net_device *netdev,
606 struct ethtool_ringparam *ring)
607 {
608 struct be_adapter *adapter = netdev_priv(netdev);
609
610 ring->rx_max_pending = ring->rx_pending = adapter->rx_obj[0].q.len;
611 ring->tx_max_pending = ring->tx_pending = adapter->tx_obj[0].q.len;
612 }
613
614 static void
615 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
616 {
617 struct be_adapter *adapter = netdev_priv(netdev);
618
619 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
620 ecmd->autoneg = adapter->phy.fc_autoneg;
621 }
622
623 static int
624 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
625 {
626 struct be_adapter *adapter = netdev_priv(netdev);
627 int status;
628
629 if (ecmd->autoneg != adapter->phy.fc_autoneg)
630 return -EINVAL;
631 adapter->tx_fc = ecmd->tx_pause;
632 adapter->rx_fc = ecmd->rx_pause;
633
634 status = be_cmd_set_flow_control(adapter,
635 adapter->tx_fc, adapter->rx_fc);
636 if (status)
637 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
638
639 return status;
640 }
641
642 static int
643 be_set_phys_id(struct net_device *netdev,
644 enum ethtool_phys_id_state state)
645 {
646 struct be_adapter *adapter = netdev_priv(netdev);
647
648 switch (state) {
649 case ETHTOOL_ID_ACTIVE:
650 be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
651 &adapter->beacon_state);
652 return 1; /* cycle on/off once per second */
653
654 case ETHTOOL_ID_ON:
655 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
656 BEACON_STATE_ENABLED);
657 break;
658
659 case ETHTOOL_ID_OFF:
660 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
661 BEACON_STATE_DISABLED);
662 break;
663
664 case ETHTOOL_ID_INACTIVE:
665 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
666 adapter->beacon_state);
667 }
668
669 return 0;
670 }
671
672 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
673 {
674 struct be_adapter *adapter = netdev_priv(netdev);
675 struct device *dev = &adapter->pdev->dev;
676 int status;
677
678 if (!lancer_chip(adapter)) {
679 dev_err(dev, "FW dump not supported\n");
680 return -EOPNOTSUPP;
681 }
682
683 if (dump_present(adapter)) {
684 dev_err(dev, "Previous dump not cleared, not forcing dump\n");
685 return 0;
686 }
687
688 switch (dump->flag) {
689 case LANCER_INITIATE_FW_DUMP:
690 status = lancer_initiate_dump(adapter);
691 if (!status)
692 dev_info(dev, "F/w dump initiated successfully\n");
693 break;
694 default:
695 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
696 return -EINVAL;
697 }
698 return status;
699 }
700
701 static void
702 be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
703 {
704 struct be_adapter *adapter = netdev_priv(netdev);
705
706 if (be_is_wol_supported(adapter)) {
707 wol->supported |= WAKE_MAGIC;
708 if (adapter->wol)
709 wol->wolopts |= WAKE_MAGIC;
710 } else
711 wol->wolopts = 0;
712 memset(&wol->sopass, 0, sizeof(wol->sopass));
713 }
714
715 static int
716 be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
717 {
718 struct be_adapter *adapter = netdev_priv(netdev);
719
720 if (wol->wolopts & ~WAKE_MAGIC)
721 return -EOPNOTSUPP;
722
723 if (!be_is_wol_supported(adapter)) {
724 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
725 return -EOPNOTSUPP;
726 }
727
728 if (wol->wolopts & WAKE_MAGIC)
729 adapter->wol = true;
730 else
731 adapter->wol = false;
732
733 return 0;
734 }
735
736 static int
737 be_test_ddr_dma(struct be_adapter *adapter)
738 {
739 int ret, i;
740 struct be_dma_mem ddrdma_cmd;
741 static const u64 pattern[2] = {
742 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
743 };
744
745 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
746 ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
747 &ddrdma_cmd.dma, GFP_KERNEL);
748 if (!ddrdma_cmd.va)
749 return -ENOMEM;
750
751 for (i = 0; i < 2; i++) {
752 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
753 4096, &ddrdma_cmd);
754 if (ret != 0)
755 goto err;
756 }
757
758 err:
759 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
760 ddrdma_cmd.dma);
761 return ret;
762 }
763
764 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
765 u64 *status)
766 {
767 be_cmd_set_loopback(adapter, adapter->hba_port_num,
768 loopback_type, 1);
769 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
770 loopback_type, 1500,
771 2, 0xabc);
772 be_cmd_set_loopback(adapter, adapter->hba_port_num,
773 BE_NO_LOOPBACK, 1);
774 return *status;
775 }
776
777 static void
778 be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
779 {
780 struct be_adapter *adapter = netdev_priv(netdev);
781 int status;
782 u8 link_status = 0;
783
784 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
785 dev_err(&adapter->pdev->dev, "Self test not supported\n");
786 test->flags |= ETH_TEST_FL_FAILED;
787 return;
788 }
789
790 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
791
792 if (test->flags & ETH_TEST_FL_OFFLINE) {
793 if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
794 &data[0]) != 0) {
795 test->flags |= ETH_TEST_FL_FAILED;
796 }
797 if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
798 &data[1]) != 0) {
799 test->flags |= ETH_TEST_FL_FAILED;
800 }
801 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
802 &data[2]) != 0) {
803 test->flags |= ETH_TEST_FL_FAILED;
804 }
805 }
806
807 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
808 data[3] = 1;
809 test->flags |= ETH_TEST_FL_FAILED;
810 }
811
812 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
813 if (status) {
814 test->flags |= ETH_TEST_FL_FAILED;
815 data[4] = -1;
816 } else if (!link_status) {
817 test->flags |= ETH_TEST_FL_FAILED;
818 data[4] = 1;
819 }
820 }
821
822 static int
823 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
824 {
825 struct be_adapter *adapter = netdev_priv(netdev);
826
827 return be_load_fw(adapter, efl->data);
828 }
829
830 static int
831 be_get_eeprom_len(struct net_device *netdev)
832 {
833 struct be_adapter *adapter = netdev_priv(netdev);
834
835 if (!check_privilege(adapter, MAX_PRIVILEGES))
836 return 0;
837
838 if (lancer_chip(adapter)) {
839 if (be_physfn(adapter))
840 return lancer_cmd_get_file_len(adapter,
841 LANCER_VPD_PF_FILE);
842 else
843 return lancer_cmd_get_file_len(adapter,
844 LANCER_VPD_VF_FILE);
845 } else {
846 return BE_READ_SEEPROM_LEN;
847 }
848 }
849
850 static int
851 be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
852 uint8_t *data)
853 {
854 struct be_adapter *adapter = netdev_priv(netdev);
855 struct be_dma_mem eeprom_cmd;
856 struct be_cmd_resp_seeprom_read *resp;
857 int status;
858
859 if (!eeprom->len)
860 return -EINVAL;
861
862 if (lancer_chip(adapter)) {
863 if (be_physfn(adapter))
864 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
865 eeprom->len, data);
866 else
867 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
868 eeprom->len, data);
869 }
870
871 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
872
873 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
874 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
875 eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
876 &eeprom_cmd.dma, GFP_KERNEL);
877
878 if (!eeprom_cmd.va)
879 return -ENOMEM;
880
881 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
882
883 if (!status) {
884 resp = eeprom_cmd.va;
885 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
886 }
887 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
888 eeprom_cmd.dma);
889
890 return status;
891 }
892
893 static u32 be_get_msg_level(struct net_device *netdev)
894 {
895 struct be_adapter *adapter = netdev_priv(netdev);
896
897 if (lancer_chip(adapter)) {
898 dev_err(&adapter->pdev->dev, "Operation not supported\n");
899 return -EOPNOTSUPP;
900 }
901
902 return adapter->msg_enable;
903 }
904
905 static void be_set_fw_log_level(struct be_adapter *adapter, u32 level)
906 {
907 struct be_dma_mem extfat_cmd;
908 struct be_fat_conf_params *cfgs;
909 int status;
910 int i, j;
911
912 memset(&extfat_cmd, 0, sizeof(struct be_dma_mem));
913 extfat_cmd.size = sizeof(struct be_cmd_resp_get_ext_fat_caps);
914 extfat_cmd.va = pci_alloc_consistent(adapter->pdev, extfat_cmd.size,
915 &extfat_cmd.dma);
916 if (!extfat_cmd.va) {
917 dev_err(&adapter->pdev->dev, "%s: Memory allocation failure\n",
918 __func__);
919 goto err;
920 }
921 status = be_cmd_get_ext_fat_capabilites(adapter, &extfat_cmd);
922 if (!status) {
923 cfgs = (struct be_fat_conf_params *)(extfat_cmd.va +
924 sizeof(struct be_cmd_resp_hdr));
925 for (i = 0; i < le32_to_cpu(cfgs->num_modules); i++) {
926 u32 num_modes = le32_to_cpu(cfgs->module[i].num_modes);
927 for (j = 0; j < num_modes; j++) {
928 if (cfgs->module[i].trace_lvl[j].mode ==
929 MODE_UART)
930 cfgs->module[i].trace_lvl[j].dbg_lvl =
931 cpu_to_le32(level);
932 }
933 }
934 status = be_cmd_set_ext_fat_capabilites(adapter, &extfat_cmd,
935 cfgs);
936 if (status)
937 dev_err(&adapter->pdev->dev,
938 "Message level set failed\n");
939 } else {
940 dev_err(&adapter->pdev->dev, "Message level get failed\n");
941 }
942
943 pci_free_consistent(adapter->pdev, extfat_cmd.size, extfat_cmd.va,
944 extfat_cmd.dma);
945 err:
946 return;
947 }
948
949 static void be_set_msg_level(struct net_device *netdev, u32 level)
950 {
951 struct be_adapter *adapter = netdev_priv(netdev);
952
953 if (lancer_chip(adapter)) {
954 dev_err(&adapter->pdev->dev, "Operation not supported\n");
955 return;
956 }
957
958 if (adapter->msg_enable == level)
959 return;
960
961 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
962 be_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
963 FW_LOG_LEVEL_DEFAULT : FW_LOG_LEVEL_FATAL);
964 adapter->msg_enable = level;
965
966 return;
967 }
968
969 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
970 {
971 u64 data = 0;
972
973 switch (flow_type) {
974 case TCP_V4_FLOW:
975 if (adapter->rss_flags & RSS_ENABLE_IPV4)
976 data |= RXH_IP_DST | RXH_IP_SRC;
977 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV4)
978 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
979 break;
980 case UDP_V4_FLOW:
981 if (adapter->rss_flags & RSS_ENABLE_IPV4)
982 data |= RXH_IP_DST | RXH_IP_SRC;
983 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV4)
984 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
985 break;
986 case TCP_V6_FLOW:
987 if (adapter->rss_flags & RSS_ENABLE_IPV6)
988 data |= RXH_IP_DST | RXH_IP_SRC;
989 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV6)
990 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
991 break;
992 case UDP_V6_FLOW:
993 if (adapter->rss_flags & RSS_ENABLE_IPV6)
994 data |= RXH_IP_DST | RXH_IP_SRC;
995 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV6)
996 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
997 break;
998 }
999
1000 return data;
1001 }
1002
1003 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1004 u32 *rule_locs)
1005 {
1006 struct be_adapter *adapter = netdev_priv(netdev);
1007
1008 if (!be_multi_rxq(adapter)) {
1009 dev_info(&adapter->pdev->dev,
1010 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1011 return -EINVAL;
1012 }
1013
1014 switch (cmd->cmd) {
1015 case ETHTOOL_GRXFH:
1016 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1017 break;
1018 case ETHTOOL_GRXRINGS:
1019 cmd->data = adapter->num_rx_qs - 1;
1020 break;
1021 default:
1022 return -EINVAL;
1023 }
1024
1025 return 0;
1026 }
1027
1028 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1029 struct ethtool_rxnfc *cmd)
1030 {
1031 struct be_rx_obj *rxo;
1032 int status = 0, i, j;
1033 u8 rsstable[128];
1034 u32 rss_flags = adapter->rss_flags;
1035
1036 if (cmd->data != L3_RSS_FLAGS &&
1037 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1038 return -EINVAL;
1039
1040 switch (cmd->flow_type) {
1041 case TCP_V4_FLOW:
1042 if (cmd->data == L3_RSS_FLAGS)
1043 rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1044 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1045 rss_flags |= RSS_ENABLE_IPV4 |
1046 RSS_ENABLE_TCP_IPV4;
1047 break;
1048 case TCP_V6_FLOW:
1049 if (cmd->data == L3_RSS_FLAGS)
1050 rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1051 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1052 rss_flags |= RSS_ENABLE_IPV6 |
1053 RSS_ENABLE_TCP_IPV6;
1054 break;
1055 case UDP_V4_FLOW:
1056 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1057 BEx_chip(adapter))
1058 return -EINVAL;
1059
1060 if (cmd->data == L3_RSS_FLAGS)
1061 rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1062 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1063 rss_flags |= RSS_ENABLE_IPV4 |
1064 RSS_ENABLE_UDP_IPV4;
1065 break;
1066 case UDP_V6_FLOW:
1067 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1068 BEx_chip(adapter))
1069 return -EINVAL;
1070
1071 if (cmd->data == L3_RSS_FLAGS)
1072 rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1073 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1074 rss_flags |= RSS_ENABLE_IPV6 |
1075 RSS_ENABLE_UDP_IPV6;
1076 break;
1077 default:
1078 return -EINVAL;
1079 }
1080
1081 if (rss_flags == adapter->rss_flags)
1082 return status;
1083
1084 if (be_multi_rxq(adapter)) {
1085 for (j = 0; j < 128; j += adapter->num_rx_qs - 1) {
1086 for_all_rss_queues(adapter, rxo, i) {
1087 if ((j + i) >= 128)
1088 break;
1089 rsstable[j + i] = rxo->rss_id;
1090 }
1091 }
1092 }
1093 status = be_cmd_rss_config(adapter, rsstable, rss_flags, 128);
1094 if (!status)
1095 adapter->rss_flags = rss_flags;
1096
1097 return status;
1098 }
1099
1100 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1101 {
1102 struct be_adapter *adapter = netdev_priv(netdev);
1103 int status = 0;
1104
1105 if (!be_multi_rxq(adapter)) {
1106 dev_err(&adapter->pdev->dev,
1107 "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1108 return -EINVAL;
1109 }
1110
1111 switch (cmd->cmd) {
1112 case ETHTOOL_SRXFH:
1113 status = be_set_rss_hash_opts(adapter, cmd);
1114 break;
1115 default:
1116 return -EINVAL;
1117 }
1118
1119 return status;
1120 }
1121
1122 const struct ethtool_ops be_ethtool_ops = {
1123 .get_settings = be_get_settings,
1124 .get_drvinfo = be_get_drvinfo,
1125 .get_wol = be_get_wol,
1126 .set_wol = be_set_wol,
1127 .get_link = ethtool_op_get_link,
1128 .get_eeprom_len = be_get_eeprom_len,
1129 .get_eeprom = be_read_eeprom,
1130 .get_coalesce = be_get_coalesce,
1131 .set_coalesce = be_set_coalesce,
1132 .get_ringparam = be_get_ringparam,
1133 .get_pauseparam = be_get_pauseparam,
1134 .set_pauseparam = be_set_pauseparam,
1135 .get_strings = be_get_stat_strings,
1136 .set_phys_id = be_set_phys_id,
1137 .set_dump = be_set_dump,
1138 .get_msglevel = be_get_msg_level,
1139 .set_msglevel = be_set_msg_level,
1140 .get_sset_count = be_get_sset_count,
1141 .get_ethtool_stats = be_get_ethtool_stats,
1142 .get_regs_len = be_get_reg_len,
1143 .get_regs = be_get_regs,
1144 .flash_device = be_do_flash,
1145 .self_test = be_self_test,
1146 .get_rxnfc = be_get_rxnfc,
1147 .set_rxnfc = be_set_rxnfc,
1148 };
Linux kernel - Deliverables
This page took 0.053949 seconds and 5 git commands to generate.