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PM / sleep: Asynchronous threads for suspend_noirq
[linux/fpc-iii.git] / drivers / net / ethernet / emulex / benet / be_ethtool.c
blob05be0070f55fd453ed1cb35427c44d921ba08443
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 {DRVSTAT_INFO(rx_roce_bytes_lsd)},
121 {DRVSTAT_INFO(rx_roce_bytes_msd)},
122 {DRVSTAT_INFO(rx_roce_frames)},
123 {DRVSTAT_INFO(roce_drops_payload_len)},
124 {DRVSTAT_INFO(roce_drops_crc)}
125 };
126 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
127
128 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
129 * are first and second members respectively.
130 */
131 static const struct be_ethtool_stat et_rx_stats[] = {
132 {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
133 {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
134 {DRVSTAT_RX_INFO(rx_compl)},
135 {DRVSTAT_RX_INFO(rx_mcast_pkts)},
136 /* Number of page allocation failures while posting receive buffers
137 * to HW.
138 */
139 {DRVSTAT_RX_INFO(rx_post_fail)},
140 /* Recevied packets dropped due to skb allocation failure */
141 {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
142 /* Received packets dropped due to lack of available fetched buffers
143 * posted by the driver.
144 */
145 {DRVSTAT_RX_INFO(rx_drops_no_frags)}
146 };
147 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
148
149 /* Stats related to multi TX queues: get_stats routine assumes compl is the
150 * first member
151 */
152 static const struct be_ethtool_stat et_tx_stats[] = {
153 {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
154 {DRVSTAT_TX_INFO(tx_bytes)},
155 {DRVSTAT_TX_INFO(tx_pkts)},
156 /* Number of skbs queued for trasmission by the driver */
157 {DRVSTAT_TX_INFO(tx_reqs)},
158 /* Number of TX work request blocks DMAed to HW */
159 {DRVSTAT_TX_INFO(tx_wrbs)},
160 /* Number of times the TX queue was stopped due to lack
161 * of spaces in the TXQ.
162 */
163 {DRVSTAT_TX_INFO(tx_stops)},
164 /* Pkts dropped in the driver's transmit path */
165 {DRVSTAT_TX_INFO(tx_drv_drops)}
166 };
167 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
168
169 static const char et_self_tests[][ETH_GSTRING_LEN] = {
170 "MAC Loopback test",
171 "PHY Loopback test",
172 "External Loopback test",
173 "DDR DMA test",
174 "Link test"
175 };
176
177 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
178 #define BE_MAC_LOOPBACK 0x0
179 #define BE_PHY_LOOPBACK 0x1
180 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
181 #define BE_NO_LOOPBACK 0xff
182
183 static void be_get_drvinfo(struct net_device *netdev,
184 struct ethtool_drvinfo *drvinfo)
185 {
186 struct be_adapter *adapter = netdev_priv(netdev);
187
188 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
189 strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
190 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
191 strlcpy(drvinfo->fw_version, adapter->fw_ver,
192 sizeof(drvinfo->fw_version));
193 else
194 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
195 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
196
197 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
198 sizeof(drvinfo->bus_info));
199 drvinfo->testinfo_len = 0;
200 drvinfo->regdump_len = 0;
201 drvinfo->eedump_len = 0;
202 }
203
204 static u32
205 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
206 {
207 u32 data_read = 0, eof;
208 u8 addn_status;
209 struct be_dma_mem data_len_cmd;
210 int status;
211
212 memset(&data_len_cmd, 0, sizeof(data_len_cmd));
213 /* data_offset and data_size should be 0 to get reg len */
214 status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
215 file_name, &data_read, &eof, &addn_status);
216
217 return data_read;
218 }
219
220 static int
221 lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
222 u32 buf_len, void *buf)
223 {
224 struct be_dma_mem read_cmd;
225 u32 read_len = 0, total_read_len = 0, chunk_size;
226 u32 eof = 0;
227 u8 addn_status;
228 int status = 0;
229
230 read_cmd.size = LANCER_READ_FILE_CHUNK;
231 read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size,
232 &read_cmd.dma);
233
234 if (!read_cmd.va) {
235 dev_err(&adapter->pdev->dev,
236 "Memory allocation failure while reading dump\n");
237 return -ENOMEM;
238 }
239
240 while ((total_read_len < buf_len) && !eof) {
241 chunk_size = min_t(u32, (buf_len - total_read_len),
242 LANCER_READ_FILE_CHUNK);
243 chunk_size = ALIGN(chunk_size, 4);
244 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
245 total_read_len, file_name, &read_len,
246 &eof, &addn_status);
247 if (!status) {
248 memcpy(buf + total_read_len, read_cmd.va, read_len);
249 total_read_len += read_len;
250 eof &= LANCER_READ_FILE_EOF_MASK;
251 } else {
252 status = -EIO;
253 break;
254 }
255 }
256 pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va,
257 read_cmd.dma);
258
259 return status;
260 }
261
262 static int
263 be_get_reg_len(struct net_device *netdev)
264 {
265 struct be_adapter *adapter = netdev_priv(netdev);
266 u32 log_size = 0;
267
268 if (!check_privilege(adapter, MAX_PRIVILEGES))
269 return 0;
270
271 if (be_physfn(adapter)) {
272 if (lancer_chip(adapter))
273 log_size = lancer_cmd_get_file_len(adapter,
274 LANCER_FW_DUMP_FILE);
275 else
276 be_cmd_get_reg_len(adapter, &log_size);
277 }
278 return log_size;
279 }
280
281 static void
282 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
283 {
284 struct be_adapter *adapter = netdev_priv(netdev);
285
286 if (be_physfn(adapter)) {
287 memset(buf, 0, regs->len);
288 if (lancer_chip(adapter))
289 lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
290 regs->len, buf);
291 else
292 be_cmd_get_regs(adapter, regs->len, buf);
293 }
294 }
295
296 static int be_get_coalesce(struct net_device *netdev,
297 struct ethtool_coalesce *et)
298 {
299 struct be_adapter *adapter = netdev_priv(netdev);
300 struct be_aic_obj *aic = &adapter->aic_obj[0];
301
302
303 et->rx_coalesce_usecs = aic->prev_eqd;
304 et->rx_coalesce_usecs_high = aic->max_eqd;
305 et->rx_coalesce_usecs_low = aic->min_eqd;
306
307 et->tx_coalesce_usecs = aic->prev_eqd;
308 et->tx_coalesce_usecs_high = aic->max_eqd;
309 et->tx_coalesce_usecs_low = aic->min_eqd;
310
311 et->use_adaptive_rx_coalesce = aic->enable;
312 et->use_adaptive_tx_coalesce = aic->enable;
313
314 return 0;
315 }
316
317 /* TX attributes are ignored. Only RX attributes are considered
318 * eqd cmd is issued in the worker thread.
319 */
320 static int be_set_coalesce(struct net_device *netdev,
321 struct ethtool_coalesce *et)
322 {
323 struct be_adapter *adapter = netdev_priv(netdev);
324 struct be_aic_obj *aic = &adapter->aic_obj[0];
325 struct be_eq_obj *eqo;
326 int i;
327
328 for_all_evt_queues(adapter, eqo, i) {
329 aic->enable = et->use_adaptive_rx_coalesce;
330 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
331 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
332 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
333 aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
334 aic++;
335 }
336
337 return 0;
338 }
339
340 static void
341 be_get_ethtool_stats(struct net_device *netdev,
342 struct ethtool_stats *stats, uint64_t *data)
343 {
344 struct be_adapter *adapter = netdev_priv(netdev);
345 struct be_rx_obj *rxo;
346 struct be_tx_obj *txo;
347 void *p;
348 unsigned int i, j, base = 0, start;
349
350 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
351 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
352 data[i] = *(u32 *)p;
353 }
354 base += ETHTOOL_STATS_NUM;
355
356 for_all_rx_queues(adapter, rxo, j) {
357 struct be_rx_stats *stats = rx_stats(rxo);
358
359 do {
360 start = u64_stats_fetch_begin_bh(&stats->sync);
361 data[base] = stats->rx_bytes;
362 data[base + 1] = stats->rx_pkts;
363 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
364
365 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
366 p = (u8 *)stats + et_rx_stats[i].offset;
367 data[base + i] = *(u32 *)p;
368 }
369 base += ETHTOOL_RXSTATS_NUM;
370 }
371
372 for_all_tx_queues(adapter, txo, j) {
373 struct be_tx_stats *stats = tx_stats(txo);
374
375 do {
376 start = u64_stats_fetch_begin_bh(&stats->sync_compl);
377 data[base] = stats->tx_compl;
378 } while (u64_stats_fetch_retry_bh(&stats->sync_compl, start));
379
380 do {
381 start = u64_stats_fetch_begin_bh(&stats->sync);
382 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
383 p = (u8 *)stats + et_tx_stats[i].offset;
384 data[base + i] =
385 (et_tx_stats[i].size == sizeof(u64)) ?
386 *(u64 *)p : *(u32 *)p;
387 }
388 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
389 base += ETHTOOL_TXSTATS_NUM;
390 }
391 }
392
393 static void
394 be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
395 uint8_t *data)
396 {
397 struct be_adapter *adapter = netdev_priv(netdev);
398 int i, j;
399
400 switch (stringset) {
401 case ETH_SS_STATS:
402 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
403 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
404 data += ETH_GSTRING_LEN;
405 }
406 for (i = 0; i < adapter->num_rx_qs; i++) {
407 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
408 sprintf(data, "rxq%d: %s", i,
409 et_rx_stats[j].desc);
410 data += ETH_GSTRING_LEN;
411 }
412 }
413 for (i = 0; i < adapter->num_tx_qs; i++) {
414 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
415 sprintf(data, "txq%d: %s", i,
416 et_tx_stats[j].desc);
417 data += ETH_GSTRING_LEN;
418 }
419 }
420 break;
421 case ETH_SS_TEST:
422 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
423 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
424 data += ETH_GSTRING_LEN;
425 }
426 break;
427 }
428 }
429
430 static int be_get_sset_count(struct net_device *netdev, int stringset)
431 {
432 struct be_adapter *adapter = netdev_priv(netdev);
433
434 switch (stringset) {
435 case ETH_SS_TEST:
436 return ETHTOOL_TESTS_NUM;
437 case ETH_SS_STATS:
438 return ETHTOOL_STATS_NUM +
439 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
440 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
441 default:
442 return -EINVAL;
443 }
444 }
445
446 static u32 be_get_port_type(u32 phy_type, u32 dac_cable_len)
447 {
448 u32 port;
449
450 switch (phy_type) {
451 case PHY_TYPE_BASET_1GB:
452 case PHY_TYPE_BASEX_1GB:
453 case PHY_TYPE_SGMII:
454 port = PORT_TP;
455 break;
456 case PHY_TYPE_SFP_PLUS_10GB:
457 port = dac_cable_len ? PORT_DA : PORT_FIBRE;
458 break;
459 case PHY_TYPE_XFP_10GB:
460 case PHY_TYPE_SFP_1GB:
461 port = PORT_FIBRE;
462 break;
463 case PHY_TYPE_BASET_10GB:
464 port = PORT_TP;
465 break;
466 default:
467 port = PORT_OTHER;
468 }
469
470 return port;
471 }
472
473 static u32 convert_to_et_setting(u32 if_type, u32 if_speeds)
474 {
475 u32 val = 0;
476
477 switch (if_type) {
478 case PHY_TYPE_BASET_1GB:
479 case PHY_TYPE_BASEX_1GB:
480 case PHY_TYPE_SGMII:
481 val |= SUPPORTED_TP;
482 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
483 val |= SUPPORTED_1000baseT_Full;
484 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
485 val |= SUPPORTED_100baseT_Full;
486 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
487 val |= SUPPORTED_10baseT_Full;
488 break;
489 case PHY_TYPE_KX4_10GB:
490 val |= SUPPORTED_Backplane;
491 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
492 val |= SUPPORTED_1000baseKX_Full;
493 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
494 val |= SUPPORTED_10000baseKX4_Full;
495 break;
496 case PHY_TYPE_KR_10GB:
497 val |= SUPPORTED_Backplane |
498 SUPPORTED_10000baseKR_Full;
499 break;
500 case PHY_TYPE_SFP_PLUS_10GB:
501 case PHY_TYPE_XFP_10GB:
502 case PHY_TYPE_SFP_1GB:
503 val |= SUPPORTED_FIBRE;
504 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
505 val |= SUPPORTED_10000baseT_Full;
506 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
507 val |= SUPPORTED_1000baseT_Full;
508 break;
509 case PHY_TYPE_BASET_10GB:
510 val |= SUPPORTED_TP;
511 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
512 val |= SUPPORTED_10000baseT_Full;
513 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
514 val |= SUPPORTED_1000baseT_Full;
515 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
516 val |= SUPPORTED_100baseT_Full;
517 break;
518 default:
519 val |= SUPPORTED_TP;
520 }
521
522 return val;
523 }
524
525 bool be_pause_supported(struct be_adapter *adapter)
526 {
527 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
528 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
529 false : true;
530 }
531
532 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
533 {
534 struct be_adapter *adapter = netdev_priv(netdev);
535 u8 link_status;
536 u16 link_speed = 0;
537 int status;
538 u32 auto_speeds;
539 u32 fixed_speeds;
540 u32 dac_cable_len;
541 u16 interface_type;
542
543 if (adapter->phy.link_speed < 0) {
544 status = be_cmd_link_status_query(adapter, &link_speed,
545 &link_status, 0);
546 if (!status)
547 be_link_status_update(adapter, link_status);
548 ethtool_cmd_speed_set(ecmd, link_speed);
549
550 status = be_cmd_get_phy_info(adapter);
551 if (!status) {
552 interface_type = adapter->phy.interface_type;
553 auto_speeds = adapter->phy.auto_speeds_supported;
554 fixed_speeds = adapter->phy.fixed_speeds_supported;
555 dac_cable_len = adapter->phy.dac_cable_len;
556
557 ecmd->supported =
558 convert_to_et_setting(interface_type,
559 auto_speeds |
560 fixed_speeds);
561 ecmd->advertising =
562 convert_to_et_setting(interface_type,
563 auto_speeds);
564
565 ecmd->port = be_get_port_type(interface_type,
566 dac_cable_len);
567
568 if (adapter->phy.auto_speeds_supported) {
569 ecmd->supported |= SUPPORTED_Autoneg;
570 ecmd->autoneg = AUTONEG_ENABLE;
571 ecmd->advertising |= ADVERTISED_Autoneg;
572 }
573
574 ecmd->supported |= SUPPORTED_Pause;
575 if (be_pause_supported(adapter))
576 ecmd->advertising |= ADVERTISED_Pause;
577
578 switch (adapter->phy.interface_type) {
579 case PHY_TYPE_KR_10GB:
580 case PHY_TYPE_KX4_10GB:
581 ecmd->transceiver = XCVR_INTERNAL;
582 break;
583 default:
584 ecmd->transceiver = XCVR_EXTERNAL;
585 break;
586 }
587 } else {
588 ecmd->port = PORT_OTHER;
589 ecmd->autoneg = AUTONEG_DISABLE;
590 ecmd->transceiver = XCVR_DUMMY1;
591 }
592
593 /* Save for future use */
594 adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
595 adapter->phy.port_type = ecmd->port;
596 adapter->phy.transceiver = ecmd->transceiver;
597 adapter->phy.autoneg = ecmd->autoneg;
598 adapter->phy.advertising = ecmd->advertising;
599 adapter->phy.supported = ecmd->supported;
600 } else {
601 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
602 ecmd->port = adapter->phy.port_type;
603 ecmd->transceiver = adapter->phy.transceiver;
604 ecmd->autoneg = adapter->phy.autoneg;
605 ecmd->advertising = adapter->phy.advertising;
606 ecmd->supported = adapter->phy.supported;
607 }
608
609 ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
610 ecmd->phy_address = adapter->port_num;
611
612 return 0;
613 }
614
615 static void be_get_ringparam(struct net_device *netdev,
616 struct ethtool_ringparam *ring)
617 {
618 struct be_adapter *adapter = netdev_priv(netdev);
619
620 ring->rx_max_pending = ring->rx_pending = adapter->rx_obj[0].q.len;
621 ring->tx_max_pending = ring->tx_pending = adapter->tx_obj[0].q.len;
622 }
623
624 static void
625 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
626 {
627 struct be_adapter *adapter = netdev_priv(netdev);
628
629 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
630 ecmd->autoneg = adapter->phy.fc_autoneg;
631 }
632
633 static int
634 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
635 {
636 struct be_adapter *adapter = netdev_priv(netdev);
637 int status;
638
639 if (ecmd->autoneg != adapter->phy.fc_autoneg)
640 return -EINVAL;
641 adapter->tx_fc = ecmd->tx_pause;
642 adapter->rx_fc = ecmd->rx_pause;
643
644 status = be_cmd_set_flow_control(adapter,
645 adapter->tx_fc, adapter->rx_fc);
646 if (status)
647 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
648
649 return status;
650 }
651
652 static int
653 be_set_phys_id(struct net_device *netdev,
654 enum ethtool_phys_id_state state)
655 {
656 struct be_adapter *adapter = netdev_priv(netdev);
657
658 switch (state) {
659 case ETHTOOL_ID_ACTIVE:
660 be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
661 &adapter->beacon_state);
662 return 1; /* cycle on/off once per second */
663
664 case ETHTOOL_ID_ON:
665 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
666 BEACON_STATE_ENABLED);
667 break;
668
669 case ETHTOOL_ID_OFF:
670 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
671 BEACON_STATE_DISABLED);
672 break;
673
674 case ETHTOOL_ID_INACTIVE:
675 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
676 adapter->beacon_state);
677 }
678
679 return 0;
680 }
681
682 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
683 {
684 struct be_adapter *adapter = netdev_priv(netdev);
685 struct device *dev = &adapter->pdev->dev;
686 int status;
687
688 if (!lancer_chip(adapter)) {
689 dev_err(dev, "FW dump not supported\n");
690 return -EOPNOTSUPP;
691 }
692
693 if (dump_present(adapter)) {
694 dev_err(dev, "Previous dump not cleared, not forcing dump\n");
695 return 0;
696 }
697
698 switch (dump->flag) {
699 case LANCER_INITIATE_FW_DUMP:
700 status = lancer_initiate_dump(adapter);
701 if (!status)
702 dev_info(dev, "F/w dump initiated successfully\n");
703 break;
704 default:
705 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
706 return -EINVAL;
707 }
708 return status;
709 }
710
711 static void
712 be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
713 {
714 struct be_adapter *adapter = netdev_priv(netdev);
715
716 if (adapter->wol_cap & BE_WOL_CAP) {
717 wol->supported |= WAKE_MAGIC;
718 if (adapter->wol_en)
719 wol->wolopts |= WAKE_MAGIC;
720 } else {
721 wol->wolopts = 0;
722 }
723 memset(&wol->sopass, 0, sizeof(wol->sopass));
724 }
725
726 static int
727 be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
728 {
729 struct be_adapter *adapter = netdev_priv(netdev);
730
731 if (wol->wolopts & ~WAKE_MAGIC)
732 return -EOPNOTSUPP;
733
734 if (!(adapter->wol_cap & BE_WOL_CAP)) {
735 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
736 return -EOPNOTSUPP;
737 }
738
739 if (wol->wolopts & WAKE_MAGIC)
740 adapter->wol_en = true;
741 else
742 adapter->wol_en = false;
743
744 return 0;
745 }
746
747 static int
748 be_test_ddr_dma(struct be_adapter *adapter)
749 {
750 int ret, i;
751 struct be_dma_mem ddrdma_cmd;
752 static const u64 pattern[2] = {
753 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
754 };
755
756 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
757 ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
758 &ddrdma_cmd.dma, GFP_KERNEL);
759 if (!ddrdma_cmd.va)
760 return -ENOMEM;
761
762 for (i = 0; i < 2; i++) {
763 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
764 4096, &ddrdma_cmd);
765 if (ret != 0)
766 goto err;
767 }
768
769 err:
770 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
771 ddrdma_cmd.dma);
772 return ret;
773 }
774
775 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
776 u64 *status)
777 {
778 be_cmd_set_loopback(adapter, adapter->hba_port_num,
779 loopback_type, 1);
780 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
781 loopback_type, 1500,
782 2, 0xabc);
783 be_cmd_set_loopback(adapter, adapter->hba_port_num,
784 BE_NO_LOOPBACK, 1);
785 return *status;
786 }
787
788 static void
789 be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
790 {
791 struct be_adapter *adapter = netdev_priv(netdev);
792 int status;
793 u8 link_status = 0;
794
795 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
796 dev_err(&adapter->pdev->dev, "Self test not supported\n");
797 test->flags |= ETH_TEST_FL_FAILED;
798 return;
799 }
800
801 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
802
803 if (test->flags & ETH_TEST_FL_OFFLINE) {
804 if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
805 &data[0]) != 0) {
806 test->flags |= ETH_TEST_FL_FAILED;
807 }
808 if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
809 &data[1]) != 0) {
810 test->flags |= ETH_TEST_FL_FAILED;
811 }
812 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
813 &data[2]) != 0) {
814 test->flags |= ETH_TEST_FL_FAILED;
815 }
816 }
817
818 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
819 data[3] = 1;
820 test->flags |= ETH_TEST_FL_FAILED;
821 }
822
823 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
824 if (status) {
825 test->flags |= ETH_TEST_FL_FAILED;
826 data[4] = -1;
827 } else if (!link_status) {
828 test->flags |= ETH_TEST_FL_FAILED;
829 data[4] = 1;
830 }
831 }
832
833 static int
834 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
835 {
836 struct be_adapter *adapter = netdev_priv(netdev);
837
838 return be_load_fw(adapter, efl->data);
839 }
840
841 static int
842 be_get_eeprom_len(struct net_device *netdev)
843 {
844 struct be_adapter *adapter = netdev_priv(netdev);
845
846 if (!check_privilege(adapter, MAX_PRIVILEGES))
847 return 0;
848
849 if (lancer_chip(adapter)) {
850 if (be_physfn(adapter))
851 return lancer_cmd_get_file_len(adapter,
852 LANCER_VPD_PF_FILE);
853 else
854 return lancer_cmd_get_file_len(adapter,
855 LANCER_VPD_VF_FILE);
856 } else {
857 return BE_READ_SEEPROM_LEN;
858 }
859 }
860
861 static int
862 be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
863 uint8_t *data)
864 {
865 struct be_adapter *adapter = netdev_priv(netdev);
866 struct be_dma_mem eeprom_cmd;
867 struct be_cmd_resp_seeprom_read *resp;
868 int status;
869
870 if (!eeprom->len)
871 return -EINVAL;
872
873 if (lancer_chip(adapter)) {
874 if (be_physfn(adapter))
875 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
876 eeprom->len, data);
877 else
878 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
879 eeprom->len, data);
880 }
881
882 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
883
884 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
885 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
886 eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
887 &eeprom_cmd.dma, GFP_KERNEL);
888
889 if (!eeprom_cmd.va)
890 return -ENOMEM;
891
892 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
893
894 if (!status) {
895 resp = eeprom_cmd.va;
896 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
897 }
898 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
899 eeprom_cmd.dma);
900
901 return status;
902 }
903
904 static u32 be_get_msg_level(struct net_device *netdev)
905 {
906 struct be_adapter *adapter = netdev_priv(netdev);
907
908 return adapter->msg_enable;
909 }
910
911 static void be_set_msg_level(struct net_device *netdev, u32 level)
912 {
913 struct be_adapter *adapter = netdev_priv(netdev);
914
915 if (adapter->msg_enable == level)
916 return;
917
918 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
919 if (BEx_chip(adapter))
920 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
921 FW_LOG_LEVEL_DEFAULT :
922 FW_LOG_LEVEL_FATAL);
923 adapter->msg_enable = level;
924
925 return;
926 }
927
928 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
929 {
930 u64 data = 0;
931
932 switch (flow_type) {
933 case TCP_V4_FLOW:
934 if (adapter->rss_flags & RSS_ENABLE_IPV4)
935 data |= RXH_IP_DST | RXH_IP_SRC;
936 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV4)
937 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
938 break;
939 case UDP_V4_FLOW:
940 if (adapter->rss_flags & RSS_ENABLE_IPV4)
941 data |= RXH_IP_DST | RXH_IP_SRC;
942 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV4)
943 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
944 break;
945 case TCP_V6_FLOW:
946 if (adapter->rss_flags & RSS_ENABLE_IPV6)
947 data |= RXH_IP_DST | RXH_IP_SRC;
948 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV6)
949 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
950 break;
951 case UDP_V6_FLOW:
952 if (adapter->rss_flags & RSS_ENABLE_IPV6)
953 data |= RXH_IP_DST | RXH_IP_SRC;
954 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV6)
955 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
956 break;
957 }
958
959 return data;
960 }
961
962 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
963 u32 *rule_locs)
964 {
965 struct be_adapter *adapter = netdev_priv(netdev);
966
967 if (!be_multi_rxq(adapter)) {
968 dev_info(&adapter->pdev->dev,
969 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
970 return -EINVAL;
971 }
972
973 switch (cmd->cmd) {
974 case ETHTOOL_GRXFH:
975 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
976 break;
977 case ETHTOOL_GRXRINGS:
978 cmd->data = adapter->num_rx_qs - 1;
979 break;
980 default:
981 return -EINVAL;
982 }
983
984 return 0;
985 }
986
987 static int be_set_rss_hash_opts(struct be_adapter *adapter,
988 struct ethtool_rxnfc *cmd)
989 {
990 struct be_rx_obj *rxo;
991 int status = 0, i, j;
992 u8 rsstable[128];
993 u32 rss_flags = adapter->rss_flags;
994
995 if (cmd->data != L3_RSS_FLAGS &&
996 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
997 return -EINVAL;
998
999 switch (cmd->flow_type) {
1000 case TCP_V4_FLOW:
1001 if (cmd->data == L3_RSS_FLAGS)
1002 rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1003 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1004 rss_flags |= RSS_ENABLE_IPV4 |
1005 RSS_ENABLE_TCP_IPV4;
1006 break;
1007 case TCP_V6_FLOW:
1008 if (cmd->data == L3_RSS_FLAGS)
1009 rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1010 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1011 rss_flags |= RSS_ENABLE_IPV6 |
1012 RSS_ENABLE_TCP_IPV6;
1013 break;
1014 case UDP_V4_FLOW:
1015 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1016 BEx_chip(adapter))
1017 return -EINVAL;
1018
1019 if (cmd->data == L3_RSS_FLAGS)
1020 rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1021 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1022 rss_flags |= RSS_ENABLE_IPV4 |
1023 RSS_ENABLE_UDP_IPV4;
1024 break;
1025 case UDP_V6_FLOW:
1026 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1027 BEx_chip(adapter))
1028 return -EINVAL;
1029
1030 if (cmd->data == L3_RSS_FLAGS)
1031 rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1032 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1033 rss_flags |= RSS_ENABLE_IPV6 |
1034 RSS_ENABLE_UDP_IPV6;
1035 break;
1036 default:
1037 return -EINVAL;
1038 }
1039
1040 if (rss_flags == adapter->rss_flags)
1041 return status;
1042
1043 if (be_multi_rxq(adapter)) {
1044 for (j = 0; j < 128; j += adapter->num_rx_qs - 1) {
1045 for_all_rss_queues(adapter, rxo, i) {
1046 if ((j + i) >= 128)
1047 break;
1048 rsstable[j + i] = rxo->rss_id;
1049 }
1050 }
1051 }
1052 status = be_cmd_rss_config(adapter, rsstable, rss_flags, 128);
1053 if (!status)
1054 adapter->rss_flags = rss_flags;
1055
1056 return status;
1057 }
1058
1059 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1060 {
1061 struct be_adapter *adapter = netdev_priv(netdev);
1062 int status = 0;
1063
1064 if (!be_multi_rxq(adapter)) {
1065 dev_err(&adapter->pdev->dev,
1066 "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1067 return -EINVAL;
1068 }
1069
1070 switch (cmd->cmd) {
1071 case ETHTOOL_SRXFH:
1072 status = be_set_rss_hash_opts(adapter, cmd);
1073 break;
1074 default:
1075 return -EINVAL;
1076 }
1077
1078 return status;
1079 }
1080
1081 static void be_get_channels(struct net_device *netdev,
1082 struct ethtool_channels *ch)
1083 {
1084 struct be_adapter *adapter = netdev_priv(netdev);
1085
1086 ch->combined_count = adapter->num_evt_qs;
1087 ch->max_combined = be_max_qs(adapter);
1088 }
1089
1090 static int be_set_channels(struct net_device *netdev,
1091 struct ethtool_channels *ch)
1092 {
1093 struct be_adapter *adapter = netdev_priv(netdev);
1094
1095 if (ch->rx_count || ch->tx_count || ch->other_count ||
1096 !ch->combined_count || ch->combined_count > be_max_qs(adapter))
1097 return -EINVAL;
1098
1099 adapter->cfg_num_qs = ch->combined_count;
1100
1101 return be_update_queues(adapter);
1102 }
1103
1104 const struct ethtool_ops be_ethtool_ops = {
1105 .get_settings = be_get_settings,
1106 .get_drvinfo = be_get_drvinfo,
1107 .get_wol = be_get_wol,
1108 .set_wol = be_set_wol,
1109 .get_link = ethtool_op_get_link,
1110 .get_eeprom_len = be_get_eeprom_len,
1111 .get_eeprom = be_read_eeprom,
1112 .get_coalesce = be_get_coalesce,
1113 .set_coalesce = be_set_coalesce,
1114 .get_ringparam = be_get_ringparam,
1115 .get_pauseparam = be_get_pauseparam,
1116 .set_pauseparam = be_set_pauseparam,
1117 .get_strings = be_get_stat_strings,
1118 .set_phys_id = be_set_phys_id,
1119 .set_dump = be_set_dump,
1120 .get_msglevel = be_get_msg_level,
1121 .set_msglevel = be_set_msg_level,
1122 .get_sset_count = be_get_sset_count,
1123 .get_ethtool_stats = be_get_ethtool_stats,
1124 .get_regs_len = be_get_reg_len,
1125 .get_regs = be_get_regs,
1126 .flash_device = be_do_flash,
1127 .self_test = be_self_test,
1128 .get_rxnfc = be_get_rxnfc,
1129 .set_rxnfc = be_set_rxnfc,
1130 .get_channels = be_get_channels,
1131 .set_channels = be_set_channels
1132 };
Linux with added FPC-III support