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Merge tag 'riscv-for-linus-6.16-rc5' of git://git.kernel.org/pub/scm/linux/kernel...
[linux-2.6-block.git] / drivers / net / ethernet / emulex / benet / be_ethtool.c
... / ...
CommitLineData
1// SPDX-License-Identifier: GPL-2.0-only
2/*
3 * Copyright (C) 2005 - 2016 Broadcom
4 * All rights reserved.
5 *
6 * Contact Information:
7 * linux-drivers@emulex.com
8 *
9 * Emulex
10 * 3333 Susan Street
11 * Costa Mesa, CA 92626
12 */
13
14#include "be.h"
15#include "be_cmds.h"
16#include <linux/ethtool.h>
17
18struct be_ethtool_stat {
19 char desc[ETH_GSTRING_LEN];
20 int type;
21 int size;
22 int offset;
23};
24
25enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
26#define FIELDINFO(_struct, field) sizeof_field(_struct, field), \
27 offsetof(_struct, field)
28#define DRVSTAT_TX_INFO(field) #field, DRVSTAT_TX,\
29 FIELDINFO(struct be_tx_stats, field)
30#define DRVSTAT_RX_INFO(field) #field, DRVSTAT_RX,\
31 FIELDINFO(struct be_rx_stats, field)
32#define DRVSTAT_INFO(field) #field, DRVSTAT,\
33 FIELDINFO(struct be_drv_stats, field)
34
35static const struct be_ethtool_stat et_stats[] = {
36 {DRVSTAT_INFO(rx_crc_errors)},
37 {DRVSTAT_INFO(rx_alignment_symbol_errors)},
38 {DRVSTAT_INFO(rx_pause_frames)},
39 {DRVSTAT_INFO(rx_control_frames)},
40 /* Received packets dropped when the Ethernet length field
41 * is not equal to the actual Ethernet data length.
42 */
43 {DRVSTAT_INFO(rx_in_range_errors)},
44 /* Received packets dropped when their length field is >= 1501 bytes
45 * and <= 1535 bytes.
46 */
47 {DRVSTAT_INFO(rx_out_range_errors)},
48 /* Received packets dropped when they are longer than 9216 bytes */
49 {DRVSTAT_INFO(rx_frame_too_long)},
50 /* Received packets dropped when they don't pass the unicast or
51 * multicast address filtering.
52 */
53 {DRVSTAT_INFO(rx_address_filtered)},
54 /* Received packets dropped when IP packet length field is less than
55 * the IP header length field.
56 */
57 {DRVSTAT_INFO(rx_dropped_too_small)},
58 /* Received packets dropped when IP length field is greater than
59 * the actual packet length.
60 */
61 {DRVSTAT_INFO(rx_dropped_too_short)},
62 /* Received packets dropped when the IP header length field is less
63 * than 5.
64 */
65 {DRVSTAT_INFO(rx_dropped_header_too_small)},
66 /* Received packets dropped when the TCP header length field is less
67 * than 5 or the TCP header length + IP header length is more
68 * than IP packet length.
69 */
70 {DRVSTAT_INFO(rx_dropped_tcp_length)},
71 {DRVSTAT_INFO(rx_dropped_runt)},
72 /* Number of received packets dropped when a fifo for descriptors going
73 * into the packet demux block overflows. In normal operation, this
74 * fifo must never overflow.
75 */
76 {DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
77 /* Received packets dropped when the RX block runs out of space in
78 * one of its input FIFOs. This could happen due a long burst of
79 * minimum-sized (64b) frames in the receive path.
80 * This counter may also be erroneously incremented rarely.
81 */
82 {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
83 {DRVSTAT_INFO(rx_ip_checksum_errs)},
84 {DRVSTAT_INFO(rx_tcp_checksum_errs)},
85 {DRVSTAT_INFO(rx_udp_checksum_errs)},
86 {DRVSTAT_INFO(tx_pauseframes)},
87 {DRVSTAT_INFO(tx_controlframes)},
88 {DRVSTAT_INFO(rx_priority_pause_frames)},
89 {DRVSTAT_INFO(tx_priority_pauseframes)},
90 /* Received packets dropped when an internal fifo going into
91 * main packet buffer tank (PMEM) overflows.
92 */
93 {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
94 {DRVSTAT_INFO(jabber_events)},
95 /* Received packets dropped due to lack of available HW packet buffers
96 * used to temporarily hold the received packets.
97 */
98 {DRVSTAT_INFO(rx_drops_no_pbuf)},
99 /* Received packets dropped due to input receive buffer
100 * descriptor fifo overflowing.
101 */
102 {DRVSTAT_INFO(rx_drops_no_erx_descr)},
103 /* Packets dropped because the internal FIFO to the offloaded TCP
104 * receive processing block is full. This could happen only for
105 * offloaded iSCSI or FCoE trarffic.
106 */
107 {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
108 /* Received packets dropped when they need more than 8
109 * receive buffers. This cannot happen as the driver configures
110 * 2048 byte receive buffers.
111 */
112 {DRVSTAT_INFO(rx_drops_too_many_frags)},
113 {DRVSTAT_INFO(forwarded_packets)},
114 /* Received packets dropped when the frame length
115 * is more than 9018 bytes
116 */
117 {DRVSTAT_INFO(rx_drops_mtu)},
118 /* Number of dma mapping errors */
119 {DRVSTAT_INFO(dma_map_errors)},
120 /* Number of packets dropped due to random early drop function */
121 {DRVSTAT_INFO(eth_red_drops)},
122 {DRVSTAT_INFO(rx_roce_bytes_lsd)},
123 {DRVSTAT_INFO(rx_roce_bytes_msd)},
124 {DRVSTAT_INFO(rx_roce_frames)},
125 {DRVSTAT_INFO(roce_drops_payload_len)},
126 {DRVSTAT_INFO(roce_drops_crc)}
127};
128
129#define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
130
131/* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
132 * are first and second members respectively.
133 */
134static const struct be_ethtool_stat et_rx_stats[] = {
135 {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
136 {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
137 {DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
138 {DRVSTAT_RX_INFO(rx_compl)},
139 {DRVSTAT_RX_INFO(rx_compl_err)},
140 {DRVSTAT_RX_INFO(rx_mcast_pkts)},
141 /* Number of page allocation failures while posting receive buffers
142 * to HW.
143 */
144 {DRVSTAT_RX_INFO(rx_post_fail)},
145 /* Recevied packets dropped due to skb allocation failure */
146 {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
147 /* Received packets dropped due to lack of available fetched buffers
148 * posted by the driver.
149 */
150 {DRVSTAT_RX_INFO(rx_drops_no_frags)}
151};
152
153#define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
154
155/* Stats related to multi TX queues: get_stats routine assumes compl is the
156 * first member
157 */
158static const struct be_ethtool_stat et_tx_stats[] = {
159 {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
160 /* This counter is incremented when the HW encounters an error while
161 * parsing the packet header of an outgoing TX request. This counter is
162 * applicable only for BE2, BE3 and Skyhawk based adapters.
163 */
164 {DRVSTAT_TX_INFO(tx_hdr_parse_err)},
165 /* This counter is incremented when an error occurs in the DMA
166 * operation associated with the TX request from the host to the device.
167 */
168 {DRVSTAT_TX_INFO(tx_dma_err)},
169 /* This counter is incremented when MAC or VLAN spoof checking is
170 * enabled on the interface and the TX request fails the spoof check
171 * in HW.
172 */
173 {DRVSTAT_TX_INFO(tx_spoof_check_err)},
174 /* This counter is incremented when the HW encounters an error while
175 * performing TSO offload. This counter is applicable only for Lancer
176 * adapters.
177 */
178 {DRVSTAT_TX_INFO(tx_tso_err)},
179 /* This counter is incremented when the HW detects Q-in-Q style VLAN
180 * tagging in a packet and such tagging is not expected on the outgoing
181 * interface. This counter is applicable only for Lancer adapters.
182 */
183 {DRVSTAT_TX_INFO(tx_qinq_err)},
184 /* This counter is incremented when the HW detects parity errors in the
185 * packet data. This counter is applicable only for Lancer adapters.
186 */
187 {DRVSTAT_TX_INFO(tx_internal_parity_err)},
188 {DRVSTAT_TX_INFO(tx_sge_err)},
189 {DRVSTAT_TX_INFO(tx_bytes)},
190 {DRVSTAT_TX_INFO(tx_pkts)},
191 {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
192 /* Number of skbs queued for trasmission by the driver */
193 {DRVSTAT_TX_INFO(tx_reqs)},
194 /* Number of times the TX queue was stopped due to lack
195 * of spaces in the TXQ.
196 */
197 {DRVSTAT_TX_INFO(tx_stops)},
198 /* Pkts dropped in the driver's transmit path */
199 {DRVSTAT_TX_INFO(tx_drv_drops)}
200};
201
202#define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
203
204static const char et_self_tests[][ETH_GSTRING_LEN] = {
205 "MAC Loopback test",
206 "PHY Loopback test",
207 "External Loopback test",
208 "DDR DMA test",
209 "Link test"
210};
211
212#define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
213#define BE_MAC_LOOPBACK 0x0
214#define BE_PHY_LOOPBACK 0x1
215#define BE_ONE_PORT_EXT_LOOPBACK 0x2
216#define BE_NO_LOOPBACK 0xff
217
218static void be_get_drvinfo(struct net_device *netdev,
219 struct ethtool_drvinfo *drvinfo)
220{
221 struct be_adapter *adapter = netdev_priv(netdev);
222
223 strscpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
224 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
225 strscpy(drvinfo->fw_version, adapter->fw_ver,
226 sizeof(drvinfo->fw_version));
227 else
228 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
229 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
230
231 strscpy(drvinfo->bus_info, pci_name(adapter->pdev),
232 sizeof(drvinfo->bus_info));
233}
234
235static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
236{
237 u32 data_read = 0, eof;
238 u8 addn_status;
239 struct be_dma_mem data_len_cmd;
240
241 memset(&data_len_cmd, 0, sizeof(data_len_cmd));
242 /* data_offset and data_size should be 0 to get reg len */
243 lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
244 &data_read, &eof, &addn_status);
245
246 return data_read;
247}
248
249static int be_get_dump_len(struct be_adapter *adapter)
250{
251 u32 dump_size = 0;
252
253 if (lancer_chip(adapter))
254 dump_size = lancer_cmd_get_file_len(adapter,
255 LANCER_FW_DUMP_FILE);
256 else
257 dump_size = adapter->fat_dump_len;
258
259 return dump_size;
260}
261
262static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
263 u32 buf_len, void *buf)
264{
265 struct be_dma_mem read_cmd;
266 u32 read_len = 0, total_read_len = 0, chunk_size;
267 u32 eof = 0;
268 u8 addn_status;
269 int status = 0;
270
271 read_cmd.size = LANCER_READ_FILE_CHUNK;
272 read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size,
273 &read_cmd.dma, GFP_ATOMIC);
274
275 if (!read_cmd.va) {
276 dev_err(&adapter->pdev->dev,
277 "Memory allocation failure while reading dump\n");
278 return -ENOMEM;
279 }
280
281 while ((total_read_len < buf_len) && !eof) {
282 chunk_size = min_t(u32, (buf_len - total_read_len),
283 LANCER_READ_FILE_CHUNK);
284 chunk_size = ALIGN(chunk_size, 4);
285 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
286 total_read_len, file_name,
287 &read_len, &eof, &addn_status);
288 if (!status) {
289 memcpy(buf + total_read_len, read_cmd.va, read_len);
290 total_read_len += read_len;
291 eof &= LANCER_READ_FILE_EOF_MASK;
292 } else {
293 status = -EIO;
294 break;
295 }
296 }
297 dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
298 read_cmd.dma);
299
300 return status;
301}
302
303static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
304 void *buf)
305{
306 int status = 0;
307
308 if (lancer_chip(adapter))
309 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
310 dump_len, buf);
311 else
312 status = be_cmd_get_fat_dump(adapter, dump_len, buf);
313
314 return status;
315}
316
317static int be_get_coalesce(struct net_device *netdev,
318 struct ethtool_coalesce *et,
319 struct kernel_ethtool_coalesce *kernel_coal,
320 struct netlink_ext_ack *extack)
321{
322 struct be_adapter *adapter = netdev_priv(netdev);
323 struct be_aic_obj *aic = &adapter->aic_obj[0];
324
325 et->rx_coalesce_usecs = aic->prev_eqd;
326 et->rx_coalesce_usecs_high = aic->max_eqd;
327 et->rx_coalesce_usecs_low = aic->min_eqd;
328
329 et->tx_coalesce_usecs = aic->prev_eqd;
330 et->tx_coalesce_usecs_high = aic->max_eqd;
331 et->tx_coalesce_usecs_low = aic->min_eqd;
332
333 et->use_adaptive_rx_coalesce = adapter->aic_enabled;
334 et->use_adaptive_tx_coalesce = adapter->aic_enabled;
335
336 return 0;
337}
338
339/* TX attributes are ignored. Only RX attributes are considered
340 * eqd cmd is issued in the worker thread.
341 */
342static int be_set_coalesce(struct net_device *netdev,
343 struct ethtool_coalesce *et,
344 struct kernel_ethtool_coalesce *kernel_coal,
345 struct netlink_ext_ack *extack)
346{
347 struct be_adapter *adapter = netdev_priv(netdev);
348 struct be_aic_obj *aic = &adapter->aic_obj[0];
349 struct be_eq_obj *eqo;
350 int i;
351
352 adapter->aic_enabled = et->use_adaptive_rx_coalesce;
353
354 for_all_evt_queues(adapter, eqo, i) {
355 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
356 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
357 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
358 aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
359 aic++;
360 }
361
362 /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
363 * When AIC is disabled, persistently force set EQD value via the
364 * FW cmd, so that we don't have to calculate the delay multiplier
365 * encode value each time EQ_DB is rung
366 */
367 if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
368 be_eqd_update(adapter, true);
369
370 return 0;
371}
372
373static void be_get_ethtool_stats(struct net_device *netdev,
374 struct ethtool_stats *stats, uint64_t *data)
375{
376 struct be_adapter *adapter = netdev_priv(netdev);
377 struct be_rx_obj *rxo;
378 struct be_tx_obj *txo;
379 void *p;
380 unsigned int i, j, base = 0, start;
381
382 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
383 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
384 data[i] = *(u32 *)p;
385 }
386 base += ETHTOOL_STATS_NUM;
387
388 for_all_rx_queues(adapter, rxo, j) {
389 struct be_rx_stats *stats = rx_stats(rxo);
390
391 do {
392 start = u64_stats_fetch_begin(&stats->sync);
393 data[base] = stats->rx_bytes;
394 data[base + 1] = stats->rx_pkts;
395 } while (u64_stats_fetch_retry(&stats->sync, start));
396
397 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
398 p = (u8 *)stats + et_rx_stats[i].offset;
399 data[base + i] = *(u32 *)p;
400 }
401 base += ETHTOOL_RXSTATS_NUM;
402 }
403
404 for_all_tx_queues(adapter, txo, j) {
405 struct be_tx_stats *stats = tx_stats(txo);
406
407 do {
408 start = u64_stats_fetch_begin(&stats->sync_compl);
409 data[base] = stats->tx_compl;
410 } while (u64_stats_fetch_retry(&stats->sync_compl, start));
411
412 do {
413 start = u64_stats_fetch_begin(&stats->sync);
414 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
415 p = (u8 *)stats + et_tx_stats[i].offset;
416 data[base + i] =
417 (et_tx_stats[i].size == sizeof(u64)) ?
418 *(u64 *)p : *(u32 *)p;
419 }
420 } while (u64_stats_fetch_retry(&stats->sync, start));
421 base += ETHTOOL_TXSTATS_NUM;
422 }
423}
424
425static const char be_priv_flags[][ETH_GSTRING_LEN] = {
426 "disable-tpe-recovery"
427};
428
429static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
430 uint8_t *data)
431{
432 struct be_adapter *adapter = netdev_priv(netdev);
433 int i, j;
434
435 switch (stringset) {
436 case ETH_SS_STATS:
437 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
438 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
439 data += ETH_GSTRING_LEN;
440 }
441 for (i = 0; i < adapter->num_rx_qs; i++) {
442 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
443 sprintf(data, "rxq%d: %s", i,
444 et_rx_stats[j].desc);
445 data += ETH_GSTRING_LEN;
446 }
447 }
448 for (i = 0; i < adapter->num_tx_qs; i++) {
449 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
450 sprintf(data, "txq%d: %s", i,
451 et_tx_stats[j].desc);
452 data += ETH_GSTRING_LEN;
453 }
454 }
455 break;
456 case ETH_SS_TEST:
457 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
458 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
459 data += ETH_GSTRING_LEN;
460 }
461 break;
462 case ETH_SS_PRIV_FLAGS:
463 for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
464 strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
465 break;
466 }
467}
468
469static int be_get_sset_count(struct net_device *netdev, int stringset)
470{
471 struct be_adapter *adapter = netdev_priv(netdev);
472
473 switch (stringset) {
474 case ETH_SS_TEST:
475 return ETHTOOL_TESTS_NUM;
476 case ETH_SS_STATS:
477 return ETHTOOL_STATS_NUM +
478 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
479 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
480 case ETH_SS_PRIV_FLAGS:
481 return ARRAY_SIZE(be_priv_flags);
482 default:
483 return -EINVAL;
484 }
485}
486
487static u32 be_get_port_type(struct be_adapter *adapter)
488{
489 u32 port;
490
491 switch (adapter->phy.interface_type) {
492 case PHY_TYPE_BASET_1GB:
493 case PHY_TYPE_BASEX_1GB:
494 case PHY_TYPE_SGMII:
495 port = PORT_TP;
496 break;
497 case PHY_TYPE_SFP_PLUS_10GB:
498 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
499 port = PORT_DA;
500 else
501 port = PORT_FIBRE;
502 break;
503 case PHY_TYPE_QSFP:
504 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
505 port = PORT_DA;
506 else
507 port = PORT_FIBRE;
508 break;
509 case PHY_TYPE_XFP_10GB:
510 case PHY_TYPE_SFP_1GB:
511 port = PORT_FIBRE;
512 break;
513 case PHY_TYPE_BASET_10GB:
514 port = PORT_TP;
515 break;
516 default:
517 port = PORT_OTHER;
518 }
519
520 return port;
521}
522
523static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
524{
525 u32 val = 0;
526
527 switch (adapter->phy.interface_type) {
528 case PHY_TYPE_BASET_1GB:
529 case PHY_TYPE_BASEX_1GB:
530 case PHY_TYPE_SGMII:
531 val |= SUPPORTED_TP;
532 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
533 val |= SUPPORTED_1000baseT_Full;
534 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
535 val |= SUPPORTED_100baseT_Full;
536 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
537 val |= SUPPORTED_10baseT_Full;
538 break;
539 case PHY_TYPE_KX4_10GB:
540 val |= SUPPORTED_Backplane;
541 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
542 val |= SUPPORTED_1000baseKX_Full;
543 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
544 val |= SUPPORTED_10000baseKX4_Full;
545 break;
546 case PHY_TYPE_KR2_20GB:
547 val |= SUPPORTED_Backplane;
548 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
549 val |= SUPPORTED_10000baseKR_Full;
550 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
551 val |= SUPPORTED_20000baseKR2_Full;
552 break;
553 case PHY_TYPE_KR_10GB:
554 val |= SUPPORTED_Backplane |
555 SUPPORTED_10000baseKR_Full;
556 break;
557 case PHY_TYPE_KR4_40GB:
558 val |= SUPPORTED_Backplane;
559 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
560 val |= SUPPORTED_10000baseKR_Full;
561 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
562 val |= SUPPORTED_40000baseKR4_Full;
563 break;
564 case PHY_TYPE_QSFP:
565 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
566 switch (adapter->phy.cable_type) {
567 case QSFP_PLUS_CR4_CABLE:
568 val |= SUPPORTED_40000baseCR4_Full;
569 break;
570 case QSFP_PLUS_LR4_CABLE:
571 val |= SUPPORTED_40000baseLR4_Full;
572 break;
573 default:
574 val |= SUPPORTED_40000baseSR4_Full;
575 break;
576 }
577 }
578 fallthrough;
579 case PHY_TYPE_SFP_PLUS_10GB:
580 case PHY_TYPE_XFP_10GB:
581 case PHY_TYPE_SFP_1GB:
582 val |= SUPPORTED_FIBRE;
583 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
584 val |= SUPPORTED_10000baseT_Full;
585 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
586 val |= SUPPORTED_1000baseT_Full;
587 break;
588 case PHY_TYPE_BASET_10GB:
589 val |= SUPPORTED_TP;
590 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
591 val |= SUPPORTED_10000baseT_Full;
592 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
593 val |= SUPPORTED_1000baseT_Full;
594 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
595 val |= SUPPORTED_100baseT_Full;
596 break;
597 default:
598 val |= SUPPORTED_TP;
599 }
600
601 return val;
602}
603
604bool be_pause_supported(struct be_adapter *adapter)
605{
606 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
607 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
608 false : true;
609}
610
611static int be_get_link_ksettings(struct net_device *netdev,
612 struct ethtool_link_ksettings *cmd)
613{
614 struct be_adapter *adapter = netdev_priv(netdev);
615 u8 link_status;
616 u16 link_speed = 0;
617 int status;
618 u32 auto_speeds;
619 u32 fixed_speeds;
620 u32 supported = 0, advertising = 0;
621
622 if (adapter->phy.link_speed < 0) {
623 status = be_cmd_link_status_query(adapter, &link_speed,
624 &link_status, 0);
625 if (!status)
626 be_link_status_update(adapter, link_status);
627 cmd->base.speed = link_speed;
628
629 status = be_cmd_get_phy_info(adapter);
630 if (!status) {
631 auto_speeds = adapter->phy.auto_speeds_supported;
632 fixed_speeds = adapter->phy.fixed_speeds_supported;
633
634 be_cmd_query_cable_type(adapter);
635
636 supported =
637 convert_to_et_setting(adapter,
638 auto_speeds |
639 fixed_speeds);
640 advertising =
641 convert_to_et_setting(adapter, auto_speeds);
642
643 cmd->base.port = be_get_port_type(adapter);
644
645 if (adapter->phy.auto_speeds_supported) {
646 supported |= SUPPORTED_Autoneg;
647 cmd->base.autoneg = AUTONEG_ENABLE;
648 advertising |= ADVERTISED_Autoneg;
649 }
650
651 supported |= SUPPORTED_Pause;
652 if (be_pause_supported(adapter))
653 advertising |= ADVERTISED_Pause;
654 } else {
655 cmd->base.port = PORT_OTHER;
656 cmd->base.autoneg = AUTONEG_DISABLE;
657 }
658
659 /* Save for future use */
660 adapter->phy.link_speed = cmd->base.speed;
661 adapter->phy.port_type = cmd->base.port;
662 adapter->phy.autoneg = cmd->base.autoneg;
663 adapter->phy.advertising = advertising;
664 adapter->phy.supported = supported;
665 } else {
666 cmd->base.speed = adapter->phy.link_speed;
667 cmd->base.port = adapter->phy.port_type;
668 cmd->base.autoneg = adapter->phy.autoneg;
669 advertising = adapter->phy.advertising;
670 supported = adapter->phy.supported;
671 }
672
673 cmd->base.duplex = netif_carrier_ok(netdev) ?
674 DUPLEX_FULL : DUPLEX_UNKNOWN;
675 cmd->base.phy_address = adapter->port_num;
676
677 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
678 supported);
679 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
680 advertising);
681
682 return 0;
683}
684
685static void be_get_ringparam(struct net_device *netdev,
686 struct ethtool_ringparam *ring,
687 struct kernel_ethtool_ringparam *kernel_ring,
688 struct netlink_ext_ack *extack)
689{
690 struct be_adapter *adapter = netdev_priv(netdev);
691
692 ring->rx_max_pending = adapter->rx_obj[0].q.len;
693 ring->rx_pending = adapter->rx_obj[0].q.len;
694 ring->tx_max_pending = adapter->tx_obj[0].q.len;
695 ring->tx_pending = adapter->tx_obj[0].q.len;
696}
697
698static void
699be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
700{
701 struct be_adapter *adapter = netdev_priv(netdev);
702
703 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
704 ecmd->autoneg = adapter->phy.fc_autoneg;
705}
706
707static int
708be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
709{
710 struct be_adapter *adapter = netdev_priv(netdev);
711 int status;
712
713 if (ecmd->autoneg != adapter->phy.fc_autoneg)
714 return -EINVAL;
715
716 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
717 ecmd->rx_pause);
718 if (status) {
719 dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
720 return be_cmd_status(status);
721 }
722
723 adapter->tx_fc = ecmd->tx_pause;
724 adapter->rx_fc = ecmd->rx_pause;
725 return 0;
726}
727
728static int be_set_phys_id(struct net_device *netdev,
729 enum ethtool_phys_id_state state)
730{
731 struct be_adapter *adapter = netdev_priv(netdev);
732 int status = 0;
733
734 switch (state) {
735 case ETHTOOL_ID_ACTIVE:
736 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
737 &adapter->beacon_state);
738 if (status)
739 return be_cmd_status(status);
740 return 1; /* cycle on/off once per second */
741
742 case ETHTOOL_ID_ON:
743 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
744 0, 0, BEACON_STATE_ENABLED);
745 break;
746
747 case ETHTOOL_ID_OFF:
748 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
749 0, 0, BEACON_STATE_DISABLED);
750 break;
751
752 case ETHTOOL_ID_INACTIVE:
753 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
754 0, 0, adapter->beacon_state);
755 }
756
757 return be_cmd_status(status);
758}
759
760static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
761{
762 struct be_adapter *adapter = netdev_priv(netdev);
763 struct device *dev = &adapter->pdev->dev;
764 int status;
765
766 if (!lancer_chip(adapter) ||
767 !check_privilege(adapter, MAX_PRIVILEGES))
768 return -EOPNOTSUPP;
769
770 switch (dump->flag) {
771 case LANCER_INITIATE_FW_DUMP:
772 status = lancer_initiate_dump(adapter);
773 if (!status)
774 dev_info(dev, "FW dump initiated successfully\n");
775 break;
776 case LANCER_DELETE_FW_DUMP:
777 status = lancer_delete_dump(adapter);
778 if (!status)
779 dev_info(dev, "FW dump deleted successfully\n");
780 break;
781 default:
782 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
783 return -EINVAL;
784 }
785 return status;
786}
787
788static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
789{
790 struct be_adapter *adapter = netdev_priv(netdev);
791
792 if (adapter->wol_cap & BE_WOL_CAP) {
793 wol->supported |= WAKE_MAGIC;
794 if (adapter->wol_en)
795 wol->wolopts |= WAKE_MAGIC;
796 } else {
797 wol->wolopts = 0;
798 }
799 memset(&wol->sopass, 0, sizeof(wol->sopass));
800}
801
802static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
803{
804 struct be_adapter *adapter = netdev_priv(netdev);
805 struct device *dev = &adapter->pdev->dev;
806 struct be_dma_mem cmd;
807 u8 mac[ETH_ALEN];
808 bool enable;
809 int status;
810
811 if (wol->wolopts & ~WAKE_MAGIC)
812 return -EOPNOTSUPP;
813
814 if (!(adapter->wol_cap & BE_WOL_CAP)) {
815 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
816 return -EOPNOTSUPP;
817 }
818
819 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
820 cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
821 if (!cmd.va)
822 return -ENOMEM;
823
824 eth_zero_addr(mac);
825
826 enable = wol->wolopts & WAKE_MAGIC;
827 if (enable)
828 ether_addr_copy(mac, adapter->netdev->dev_addr);
829
830 status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
831 if (status) {
832 dev_err(dev, "Could not set Wake-on-lan mac address\n");
833 status = be_cmd_status(status);
834 goto err;
835 }
836
837 pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
838 pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
839
840 adapter->wol_en = enable ? true : false;
841
842err:
843 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
844 return status;
845}
846
847static int be_test_ddr_dma(struct be_adapter *adapter)
848{
849 int ret, i;
850 struct be_dma_mem ddrdma_cmd;
851 static const u64 pattern[2] = {
852 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
853 };
854
855 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
856 ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
857 ddrdma_cmd.size, &ddrdma_cmd.dma,
858 GFP_KERNEL);
859 if (!ddrdma_cmd.va)
860 return -ENOMEM;
861
862 for (i = 0; i < 2; i++) {
863 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
864 4096, &ddrdma_cmd);
865 if (ret != 0)
866 goto err;
867 }
868
869err:
870 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
871 ddrdma_cmd.dma);
872 return be_cmd_status(ret);
873}
874
875static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
876 u64 *status)
877{
878 int ret;
879
880 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
881 loopback_type, 1);
882 if (ret)
883 return ret;
884
885 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
886 loopback_type, 1500, 2, 0xabc);
887
888 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
889 BE_NO_LOOPBACK, 1);
890 if (ret)
891 return ret;
892
893 return *status;
894}
895
896static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
897 u64 *data)
898{
899 struct be_adapter *adapter = netdev_priv(netdev);
900 int status, cnt;
901 u8 link_status = 0;
902
903 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
904 dev_err(&adapter->pdev->dev, "Self test not supported\n");
905 test->flags |= ETH_TEST_FL_FAILED;
906 return;
907 }
908
909 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
910
911 /* check link status before offline tests */
912 link_status = netif_carrier_ok(netdev);
913
914 if (test->flags & ETH_TEST_FL_OFFLINE) {
915 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
916 test->flags |= ETH_TEST_FL_FAILED;
917
918 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
919 test->flags |= ETH_TEST_FL_FAILED;
920
921 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
922 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
923 &data[2]) != 0)
924 test->flags |= ETH_TEST_FL_FAILED;
925 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
926 }
927 }
928
929 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
930 data[3] = 1;
931 test->flags |= ETH_TEST_FL_FAILED;
932 }
933
934 /* link status was down prior to test */
935 if (!link_status) {
936 test->flags |= ETH_TEST_FL_FAILED;
937 data[4] = 1;
938 return;
939 }
940
941 for (cnt = 10; cnt; cnt--) {
942 status = be_cmd_link_status_query(adapter, NULL, &link_status,
943 0);
944 if (status) {
945 test->flags |= ETH_TEST_FL_FAILED;
946 data[4] = -1;
947 break;
948 }
949
950 if (link_status)
951 break;
952
953 msleep_interruptible(500);
954 }
955}
956
957static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
958{
959 struct be_adapter *adapter = netdev_priv(netdev);
960
961 return be_load_fw(adapter, efl->data);
962}
963
964static int
965be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
966{
967 struct be_adapter *adapter = netdev_priv(netdev);
968
969 if (!check_privilege(adapter, MAX_PRIVILEGES))
970 return -EOPNOTSUPP;
971
972 dump->len = be_get_dump_len(adapter);
973 dump->version = 1;
974 dump->flag = 0x1; /* FW dump is enabled */
975 return 0;
976}
977
978static int
979be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
980 void *buf)
981{
982 struct be_adapter *adapter = netdev_priv(netdev);
983 int status;
984
985 if (!check_privilege(adapter, MAX_PRIVILEGES))
986 return -EOPNOTSUPP;
987
988 status = be_read_dump_data(adapter, dump->len, buf);
989 return be_cmd_status(status);
990}
991
992static int be_get_eeprom_len(struct net_device *netdev)
993{
994 struct be_adapter *adapter = netdev_priv(netdev);
995
996 if (!check_privilege(adapter, MAX_PRIVILEGES))
997 return 0;
998
999 if (lancer_chip(adapter)) {
1000 if (be_physfn(adapter))
1001 return lancer_cmd_get_file_len(adapter,
1002 LANCER_VPD_PF_FILE);
1003 else
1004 return lancer_cmd_get_file_len(adapter,
1005 LANCER_VPD_VF_FILE);
1006 } else {
1007 return BE_READ_SEEPROM_LEN;
1008 }
1009}
1010
1011static int be_read_eeprom(struct net_device *netdev,
1012 struct ethtool_eeprom *eeprom, uint8_t *data)
1013{
1014 struct be_adapter *adapter = netdev_priv(netdev);
1015 struct be_dma_mem eeprom_cmd;
1016 struct be_cmd_resp_seeprom_read *resp;
1017 int status;
1018
1019 if (!eeprom->len)
1020 return -EINVAL;
1021
1022 if (lancer_chip(adapter)) {
1023 if (be_physfn(adapter))
1024 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1025 eeprom->len, data);
1026 else
1027 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1028 eeprom->len, data);
1029 }
1030
1031 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1032
1033 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1034 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1035 eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1036 eeprom_cmd.size, &eeprom_cmd.dma,
1037 GFP_KERNEL);
1038
1039 if (!eeprom_cmd.va)
1040 return -ENOMEM;
1041
1042 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1043
1044 if (!status) {
1045 resp = eeprom_cmd.va;
1046 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1047 }
1048 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1049 eeprom_cmd.dma);
1050
1051 return be_cmd_status(status);
1052}
1053
1054static u32 be_get_msg_level(struct net_device *netdev)
1055{
1056 struct be_adapter *adapter = netdev_priv(netdev);
1057
1058 return adapter->msg_enable;
1059}
1060
1061static void be_set_msg_level(struct net_device *netdev, u32 level)
1062{
1063 struct be_adapter *adapter = netdev_priv(netdev);
1064
1065 if (adapter->msg_enable == level)
1066 return;
1067
1068 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1069 if (BEx_chip(adapter))
1070 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1071 FW_LOG_LEVEL_DEFAULT :
1072 FW_LOG_LEVEL_FATAL);
1073 adapter->msg_enable = level;
1074}
1075
1076static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1077{
1078 u64 data = 0;
1079
1080 switch (flow_type) {
1081 case TCP_V4_FLOW:
1082 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1083 data |= RXH_IP_DST | RXH_IP_SRC;
1084 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1085 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1086 break;
1087 case UDP_V4_FLOW:
1088 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1089 data |= RXH_IP_DST | RXH_IP_SRC;
1090 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1091 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1092 break;
1093 case TCP_V6_FLOW:
1094 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1095 data |= RXH_IP_DST | RXH_IP_SRC;
1096 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1097 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1098 break;
1099 case UDP_V6_FLOW:
1100 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1101 data |= RXH_IP_DST | RXH_IP_SRC;
1102 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1103 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1104 break;
1105 }
1106
1107 return data;
1108}
1109
1110static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1111 u32 *rule_locs)
1112{
1113 struct be_adapter *adapter = netdev_priv(netdev);
1114
1115 if (!be_multi_rxq(adapter)) {
1116 dev_info(&adapter->pdev->dev,
1117 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1118 return -EINVAL;
1119 }
1120
1121 switch (cmd->cmd) {
1122 case ETHTOOL_GRXFH:
1123 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1124 break;
1125 case ETHTOOL_GRXRINGS:
1126 cmd->data = adapter->num_rx_qs;
1127 break;
1128 default:
1129 return -EINVAL;
1130 }
1131
1132 return 0;
1133}
1134
1135static int be_set_rss_hash_opts(struct be_adapter *adapter,
1136 struct ethtool_rxnfc *cmd)
1137{
1138 int status;
1139 u32 rss_flags = adapter->rss_info.rss_flags;
1140
1141 if (cmd->data != L3_RSS_FLAGS &&
1142 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1143 return -EINVAL;
1144
1145 switch (cmd->flow_type) {
1146 case TCP_V4_FLOW:
1147 if (cmd->data == L3_RSS_FLAGS)
1148 rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1149 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1150 rss_flags |= RSS_ENABLE_IPV4 |
1151 RSS_ENABLE_TCP_IPV4;
1152 break;
1153 case TCP_V6_FLOW:
1154 if (cmd->data == L3_RSS_FLAGS)
1155 rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1156 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1157 rss_flags |= RSS_ENABLE_IPV6 |
1158 RSS_ENABLE_TCP_IPV6;
1159 break;
1160 case UDP_V4_FLOW:
1161 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1162 BEx_chip(adapter))
1163 return -EINVAL;
1164
1165 if (cmd->data == L3_RSS_FLAGS)
1166 rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1167 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1168 rss_flags |= RSS_ENABLE_IPV4 |
1169 RSS_ENABLE_UDP_IPV4;
1170 break;
1171 case UDP_V6_FLOW:
1172 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1173 BEx_chip(adapter))
1174 return -EINVAL;
1175
1176 if (cmd->data == L3_RSS_FLAGS)
1177 rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1178 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1179 rss_flags |= RSS_ENABLE_IPV6 |
1180 RSS_ENABLE_UDP_IPV6;
1181 break;
1182 default:
1183 return -EINVAL;
1184 }
1185
1186 if (rss_flags == adapter->rss_info.rss_flags)
1187 return 0;
1188
1189 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1190 rss_flags, RSS_INDIR_TABLE_LEN,
1191 adapter->rss_info.rss_hkey);
1192 if (!status)
1193 adapter->rss_info.rss_flags = rss_flags;
1194
1195 return be_cmd_status(status);
1196}
1197
1198static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1199{
1200 struct be_adapter *adapter = netdev_priv(netdev);
1201 int status = 0;
1202
1203 if (!be_multi_rxq(adapter)) {
1204 dev_err(&adapter->pdev->dev,
1205 "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1206 return -EINVAL;
1207 }
1208
1209 switch (cmd->cmd) {
1210 case ETHTOOL_SRXFH:
1211 status = be_set_rss_hash_opts(adapter, cmd);
1212 break;
1213 default:
1214 return -EINVAL;
1215 }
1216
1217 return status;
1218}
1219
1220static void be_get_channels(struct net_device *netdev,
1221 struct ethtool_channels *ch)
1222{
1223 struct be_adapter *adapter = netdev_priv(netdev);
1224 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1225
1226 /* num_tx_qs is always same as the number of irqs used for TX */
1227 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1228 ch->rx_count = num_rx_irqs - ch->combined_count;
1229 ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1230
1231 ch->max_combined = be_max_qp_irqs(adapter);
1232 /* The user must create atleast one combined channel */
1233 ch->max_rx = be_max_rx_irqs(adapter) - 1;
1234 ch->max_tx = be_max_tx_irqs(adapter) - 1;
1235}
1236
1237static int be_set_channels(struct net_device *netdev,
1238 struct ethtool_channels *ch)
1239{
1240 struct be_adapter *adapter = netdev_priv(netdev);
1241 int status;
1242
1243 /* we support either only combined channels or a combination of
1244 * combined and either RX-only or TX-only channels.
1245 */
1246 if (ch->other_count || !ch->combined_count ||
1247 (ch->rx_count && ch->tx_count))
1248 return -EINVAL;
1249
1250 if (ch->combined_count > be_max_qp_irqs(adapter) ||
1251 (ch->rx_count &&
1252 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1253 (ch->tx_count &&
1254 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1255 return -EINVAL;
1256
1257 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1258 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1259
1260 status = be_update_queues(adapter);
1261 return be_cmd_status(status);
1262}
1263
1264static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1265{
1266 return RSS_INDIR_TABLE_LEN;
1267}
1268
1269static u32 be_get_rxfh_key_size(struct net_device *netdev)
1270{
1271 return RSS_HASH_KEY_LEN;
1272}
1273
1274static int be_get_rxfh(struct net_device *netdev,
1275 struct ethtool_rxfh_param *rxfh)
1276{
1277 struct be_adapter *adapter = netdev_priv(netdev);
1278 int i;
1279 struct rss_info *rss = &adapter->rss_info;
1280
1281 if (rxfh->indir) {
1282 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1283 rxfh->indir[i] = rss->rss_queue[i];
1284 }
1285
1286 if (rxfh->key)
1287 memcpy(rxfh->key, rss->rss_hkey, RSS_HASH_KEY_LEN);
1288
1289 rxfh->hfunc = ETH_RSS_HASH_TOP;
1290
1291 return 0;
1292}
1293
1294static int be_set_rxfh(struct net_device *netdev,
1295 struct ethtool_rxfh_param *rxfh,
1296 struct netlink_ext_ack *extack)
1297{
1298 int rc = 0, i, j;
1299 struct be_adapter *adapter = netdev_priv(netdev);
1300 u8 *hkey = rxfh->key;
1301 u8 rsstable[RSS_INDIR_TABLE_LEN];
1302
1303 /* We do not allow change in unsupported parameters */
1304 if (rxfh->hfunc != ETH_RSS_HASH_NO_CHANGE &&
1305 rxfh->hfunc != ETH_RSS_HASH_TOP)
1306 return -EOPNOTSUPP;
1307
1308 if (rxfh->indir) {
1309 struct be_rx_obj *rxo;
1310
1311 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1312 j = rxfh->indir[i];
1313 rxo = &adapter->rx_obj[j];
1314 rsstable[i] = rxo->rss_id;
1315 adapter->rss_info.rss_queue[i] = j;
1316 }
1317 } else {
1318 memcpy(rsstable, adapter->rss_info.rsstable,
1319 RSS_INDIR_TABLE_LEN);
1320 }
1321
1322 if (!hkey)
1323 hkey = adapter->rss_info.rss_hkey;
1324
1325 rc = be_cmd_rss_config(adapter, rsstable,
1326 adapter->rss_info.rss_flags,
1327 RSS_INDIR_TABLE_LEN, hkey);
1328 if (rc) {
1329 adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1330 return -EIO;
1331 }
1332 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1333 memcpy(adapter->rss_info.rsstable, rsstable,
1334 RSS_INDIR_TABLE_LEN);
1335 return 0;
1336}
1337
1338static int be_get_module_info(struct net_device *netdev,
1339 struct ethtool_modinfo *modinfo)
1340{
1341 struct be_adapter *adapter = netdev_priv(netdev);
1342 u8 page_data[PAGE_DATA_LEN];
1343 int status;
1344
1345 if (!check_privilege(adapter, MAX_PRIVILEGES))
1346 return -EOPNOTSUPP;
1347
1348 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1349 0, PAGE_DATA_LEN, page_data);
1350 if (!status) {
1351 if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1352 modinfo->type = ETH_MODULE_SFF_8079;
1353 modinfo->eeprom_len = PAGE_DATA_LEN;
1354 } else {
1355 modinfo->type = ETH_MODULE_SFF_8472;
1356 modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1357 }
1358 }
1359 return be_cmd_status(status);
1360}
1361
1362static int be_get_module_eeprom(struct net_device *netdev,
1363 struct ethtool_eeprom *eeprom, u8 *data)
1364{
1365 struct be_adapter *adapter = netdev_priv(netdev);
1366 int status;
1367 u32 begin, end;
1368
1369 if (!check_privilege(adapter, MAX_PRIVILEGES))
1370 return -EOPNOTSUPP;
1371
1372 begin = eeprom->offset;
1373 end = eeprom->offset + eeprom->len;
1374
1375 if (begin < PAGE_DATA_LEN) {
1376 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, begin,
1377 min_t(u32, end, PAGE_DATA_LEN) - begin,
1378 data);
1379 if (status)
1380 goto err;
1381
1382 data += PAGE_DATA_LEN - begin;
1383 begin = PAGE_DATA_LEN;
1384 }
1385
1386 if (end > PAGE_DATA_LEN) {
1387 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A2,
1388 begin - PAGE_DATA_LEN,
1389 end - begin, data);
1390 if (status)
1391 goto err;
1392 }
1393err:
1394 return be_cmd_status(status);
1395}
1396
1397static u32 be_get_priv_flags(struct net_device *netdev)
1398{
1399 struct be_adapter *adapter = netdev_priv(netdev);
1400
1401 return adapter->priv_flags;
1402}
1403
1404static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1405{
1406 struct be_adapter *adapter = netdev_priv(netdev);
1407 bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1408 bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1409
1410 if (tpe_old != tpe_new) {
1411 if (tpe_new) {
1412 adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1413 dev_info(&adapter->pdev->dev,
1414 "HW error recovery is disabled\n");
1415 } else {
1416 adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1417 dev_info(&adapter->pdev->dev,
1418 "HW error recovery is enabled\n");
1419 }
1420 }
1421
1422 return 0;
1423}
1424
1425const struct ethtool_ops be_ethtool_ops = {
1426 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1427 ETHTOOL_COALESCE_USE_ADAPTIVE |
1428 ETHTOOL_COALESCE_USECS_LOW_HIGH,
1429 .get_drvinfo = be_get_drvinfo,
1430 .get_wol = be_get_wol,
1431 .set_wol = be_set_wol,
1432 .get_link = ethtool_op_get_link,
1433 .get_eeprom_len = be_get_eeprom_len,
1434 .get_eeprom = be_read_eeprom,
1435 .get_coalesce = be_get_coalesce,
1436 .set_coalesce = be_set_coalesce,
1437 .get_ringparam = be_get_ringparam,
1438 .get_pauseparam = be_get_pauseparam,
1439 .set_pauseparam = be_set_pauseparam,
1440 .set_priv_flags = be_set_priv_flags,
1441 .get_priv_flags = be_get_priv_flags,
1442 .get_strings = be_get_stat_strings,
1443 .set_phys_id = be_set_phys_id,
1444 .set_dump = be_set_dump,
1445 .get_msglevel = be_get_msg_level,
1446 .set_msglevel = be_set_msg_level,
1447 .get_sset_count = be_get_sset_count,
1448 .get_ethtool_stats = be_get_ethtool_stats,
1449 .flash_device = be_do_flash,
1450 .self_test = be_self_test,
1451 .get_rxnfc = be_get_rxnfc,
1452 .set_rxnfc = be_set_rxnfc,
1453 .get_rxfh_indir_size = be_get_rxfh_indir_size,
1454 .get_rxfh_key_size = be_get_rxfh_key_size,
1455 .get_rxfh = be_get_rxfh,
1456 .set_rxfh = be_set_rxfh,
1457 .get_dump_flag = be_get_dump_flag,
1458 .get_dump_data = be_get_dump_data,
1459 .get_channels = be_get_channels,
1460 .set_channels = be_set_channels,
1461 .get_module_info = be_get_module_info,
1462 .get_module_eeprom = be_get_module_eeprom,
1463 .get_link_ksettings = be_get_link_ksettings,
1464};
Linux 6.x block layer and io_uring tree(s)