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
18 struct be_ethtool_stat {
19 char desc[ETH_GSTRING_LEN];
20 int type;
21 int size;
22 int offset;
23 };
24
25 enum {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
35 static 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 */
134 static 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 */
158 static 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
204 static 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
be_get_drvinfo(struct net_device * netdev,struct ethtool_drvinfo * drvinfo)218 static void be_get_drvinfo(struct net_device *netdev,
219 struct ethtool_drvinfo *drvinfo)
220 {
221 struct be_adapter *adapter = netdev_priv(netdev);
222
223 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
224 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
225 strlcpy(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 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
232 sizeof(drvinfo->bus_info));
233 }
234
lancer_cmd_get_file_len(struct be_adapter * adapter,u8 * file_name)235 static 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
be_get_dump_len(struct be_adapter * adapter)249 static 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
lancer_cmd_read_file(struct be_adapter * adapter,u8 * file_name,u32 buf_len,void * buf)262 static 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
be_read_dump_data(struct be_adapter * adapter,u32 dump_len,void * buf)303 static 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
be_get_coalesce(struct net_device * netdev,struct ethtool_coalesce * et,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)317 static 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 */
be_set_coalesce(struct net_device * netdev,struct ethtool_coalesce * et,struct kernel_ethtool_coalesce * kernel_coal,struct netlink_ext_ack * extack)342 static 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
be_get_ethtool_stats(struct net_device * netdev,struct ethtool_stats * stats,uint64_t * data)373 static 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_irq(&stats->sync);
393 data[base] = stats->rx_bytes;
394 data[base + 1] = stats->rx_pkts;
395 } while (u64_stats_fetch_retry_irq(&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_irq(&stats->sync_compl);
409 data[base] = stats->tx_compl;
410 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
411
412 do {
413 start = u64_stats_fetch_begin_irq(&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_irq(&stats->sync, start));
421 base += ETHTOOL_TXSTATS_NUM;
422 }
423 }
424
425 static const char be_priv_flags[][ETH_GSTRING_LEN] = {
426 "disable-tpe-recovery"
427 };
428
be_get_stat_strings(struct net_device * netdev,uint32_t stringset,uint8_t * data)429 static 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
be_get_sset_count(struct net_device * netdev,int stringset)469 static 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
be_get_port_type(struct be_adapter * adapter)487 static 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
convert_to_et_setting(struct be_adapter * adapter,u32 if_speeds)523 static 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
be_pause_supported(struct be_adapter * adapter)604 bool 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
be_get_link_ksettings(struct net_device * netdev,struct ethtool_link_ksettings * cmd)611 static 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
be_get_ringparam(struct net_device * netdev,struct ethtool_ringparam * ring)685 static void be_get_ringparam(struct net_device *netdev,
686 struct ethtool_ringparam *ring)
687 {
688 struct be_adapter *adapter = netdev_priv(netdev);
689
690 ring->rx_max_pending = adapter->rx_obj[0].q.len;
691 ring->rx_pending = adapter->rx_obj[0].q.len;
692 ring->tx_max_pending = adapter->tx_obj[0].q.len;
693 ring->tx_pending = adapter->tx_obj[0].q.len;
694 }
695
696 static void
be_get_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * ecmd)697 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
698 {
699 struct be_adapter *adapter = netdev_priv(netdev);
700
701 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
702 ecmd->autoneg = adapter->phy.fc_autoneg;
703 }
704
705 static int
be_set_pauseparam(struct net_device * netdev,struct ethtool_pauseparam * ecmd)706 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
707 {
708 struct be_adapter *adapter = netdev_priv(netdev);
709 int status;
710
711 if (ecmd->autoneg != adapter->phy.fc_autoneg)
712 return -EINVAL;
713
714 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
715 ecmd->rx_pause);
716 if (status) {
717 dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
718 return be_cmd_status(status);
719 }
720
721 adapter->tx_fc = ecmd->tx_pause;
722 adapter->rx_fc = ecmd->rx_pause;
723 return 0;
724 }
725
be_set_phys_id(struct net_device * netdev,enum ethtool_phys_id_state state)726 static int be_set_phys_id(struct net_device *netdev,
727 enum ethtool_phys_id_state state)
728 {
729 struct be_adapter *adapter = netdev_priv(netdev);
730 int status = 0;
731
732 switch (state) {
733 case ETHTOOL_ID_ACTIVE:
734 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
735 &adapter->beacon_state);
736 if (status)
737 return be_cmd_status(status);
738 return 1; /* cycle on/off once per second */
739
740 case ETHTOOL_ID_ON:
741 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
742 0, 0, BEACON_STATE_ENABLED);
743 break;
744
745 case ETHTOOL_ID_OFF:
746 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
747 0, 0, BEACON_STATE_DISABLED);
748 break;
749
750 case ETHTOOL_ID_INACTIVE:
751 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
752 0, 0, adapter->beacon_state);
753 }
754
755 return be_cmd_status(status);
756 }
757
be_set_dump(struct net_device * netdev,struct ethtool_dump * dump)758 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
759 {
760 struct be_adapter *adapter = netdev_priv(netdev);
761 struct device *dev = &adapter->pdev->dev;
762 int status;
763
764 if (!lancer_chip(adapter) ||
765 !check_privilege(adapter, MAX_PRIVILEGES))
766 return -EOPNOTSUPP;
767
768 switch (dump->flag) {
769 case LANCER_INITIATE_FW_DUMP:
770 status = lancer_initiate_dump(adapter);
771 if (!status)
772 dev_info(dev, "FW dump initiated successfully\n");
773 break;
774 case LANCER_DELETE_FW_DUMP:
775 status = lancer_delete_dump(adapter);
776 if (!status)
777 dev_info(dev, "FW dump deleted successfully\n");
778 break;
779 default:
780 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
781 return -EINVAL;
782 }
783 return status;
784 }
785
be_get_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)786 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
787 {
788 struct be_adapter *adapter = netdev_priv(netdev);
789
790 if (adapter->wol_cap & BE_WOL_CAP) {
791 wol->supported |= WAKE_MAGIC;
792 if (adapter->wol_en)
793 wol->wolopts |= WAKE_MAGIC;
794 } else {
795 wol->wolopts = 0;
796 }
797 memset(&wol->sopass, 0, sizeof(wol->sopass));
798 }
799
be_set_wol(struct net_device * netdev,struct ethtool_wolinfo * wol)800 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
801 {
802 struct be_adapter *adapter = netdev_priv(netdev);
803 struct device *dev = &adapter->pdev->dev;
804 struct be_dma_mem cmd;
805 u8 mac[ETH_ALEN];
806 bool enable;
807 int status;
808
809 if (wol->wolopts & ~WAKE_MAGIC)
810 return -EOPNOTSUPP;
811
812 if (!(adapter->wol_cap & BE_WOL_CAP)) {
813 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
814 return -EOPNOTSUPP;
815 }
816
817 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
818 cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
819 if (!cmd.va)
820 return -ENOMEM;
821
822 eth_zero_addr(mac);
823
824 enable = wol->wolopts & WAKE_MAGIC;
825 if (enable)
826 ether_addr_copy(mac, adapter->netdev->dev_addr);
827
828 status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
829 if (status) {
830 dev_err(dev, "Could not set Wake-on-lan mac address\n");
831 status = be_cmd_status(status);
832 goto err;
833 }
834
835 pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
836 pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
837
838 adapter->wol_en = enable ? true : false;
839
840 err:
841 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
842 return status;
843 }
844
be_test_ddr_dma(struct be_adapter * adapter)845 static int be_test_ddr_dma(struct be_adapter *adapter)
846 {
847 int ret, i;
848 struct be_dma_mem ddrdma_cmd;
849 static const u64 pattern[2] = {
850 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
851 };
852
853 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
854 ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
855 ddrdma_cmd.size, &ddrdma_cmd.dma,
856 GFP_KERNEL);
857 if (!ddrdma_cmd.va)
858 return -ENOMEM;
859
860 for (i = 0; i < 2; i++) {
861 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
862 4096, &ddrdma_cmd);
863 if (ret != 0)
864 goto err;
865 }
866
867 err:
868 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
869 ddrdma_cmd.dma);
870 return be_cmd_status(ret);
871 }
872
be_loopback_test(struct be_adapter * adapter,u8 loopback_type,u64 * status)873 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
874 u64 *status)
875 {
876 int ret;
877
878 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
879 loopback_type, 1);
880 if (ret)
881 return ret;
882
883 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
884 loopback_type, 1500, 2, 0xabc);
885
886 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
887 BE_NO_LOOPBACK, 1);
888 if (ret)
889 return ret;
890
891 return *status;
892 }
893
be_self_test(struct net_device * netdev,struct ethtool_test * test,u64 * data)894 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
895 u64 *data)
896 {
897 struct be_adapter *adapter = netdev_priv(netdev);
898 int status, cnt;
899 u8 link_status = 0;
900
901 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
902 dev_err(&adapter->pdev->dev, "Self test not supported\n");
903 test->flags |= ETH_TEST_FL_FAILED;
904 return;
905 }
906
907 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
908
909 /* check link status before offline tests */
910 link_status = netif_carrier_ok(netdev);
911
912 if (test->flags & ETH_TEST_FL_OFFLINE) {
913 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
914 test->flags |= ETH_TEST_FL_FAILED;
915
916 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
917 test->flags |= ETH_TEST_FL_FAILED;
918
919 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
920 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
921 &data[2]) != 0)
922 test->flags |= ETH_TEST_FL_FAILED;
923 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
924 }
925 }
926
927 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
928 data[3] = 1;
929 test->flags |= ETH_TEST_FL_FAILED;
930 }
931
932 /* link status was down prior to test */
933 if (!link_status) {
934 test->flags |= ETH_TEST_FL_FAILED;
935 data[4] = 1;
936 return;
937 }
938
939 for (cnt = 10; cnt; cnt--) {
940 status = be_cmd_link_status_query(adapter, NULL, &link_status,
941 0);
942 if (status) {
943 test->flags |= ETH_TEST_FL_FAILED;
944 data[4] = -1;
945 break;
946 }
947
948 if (link_status)
949 break;
950
951 msleep_interruptible(500);
952 }
953 }
954
be_do_flash(struct net_device * netdev,struct ethtool_flash * efl)955 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
956 {
957 struct be_adapter *adapter = netdev_priv(netdev);
958
959 return be_load_fw(adapter, efl->data);
960 }
961
962 static int
be_get_dump_flag(struct net_device * netdev,struct ethtool_dump * dump)963 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
964 {
965 struct be_adapter *adapter = netdev_priv(netdev);
966
967 if (!check_privilege(adapter, MAX_PRIVILEGES))
968 return -EOPNOTSUPP;
969
970 dump->len = be_get_dump_len(adapter);
971 dump->version = 1;
972 dump->flag = 0x1; /* FW dump is enabled */
973 return 0;
974 }
975
976 static int
be_get_dump_data(struct net_device * netdev,struct ethtool_dump * dump,void * buf)977 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
978 void *buf)
979 {
980 struct be_adapter *adapter = netdev_priv(netdev);
981 int status;
982
983 if (!check_privilege(adapter, MAX_PRIVILEGES))
984 return -EOPNOTSUPP;
985
986 status = be_read_dump_data(adapter, dump->len, buf);
987 return be_cmd_status(status);
988 }
989
be_get_eeprom_len(struct net_device * netdev)990 static int be_get_eeprom_len(struct net_device *netdev)
991 {
992 struct be_adapter *adapter = netdev_priv(netdev);
993
994 if (!check_privilege(adapter, MAX_PRIVILEGES))
995 return 0;
996
997 if (lancer_chip(adapter)) {
998 if (be_physfn(adapter))
999 return lancer_cmd_get_file_len(adapter,
1000 LANCER_VPD_PF_FILE);
1001 else
1002 return lancer_cmd_get_file_len(adapter,
1003 LANCER_VPD_VF_FILE);
1004 } else {
1005 return BE_READ_SEEPROM_LEN;
1006 }
1007 }
1008
be_read_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,uint8_t * data)1009 static int be_read_eeprom(struct net_device *netdev,
1010 struct ethtool_eeprom *eeprom, uint8_t *data)
1011 {
1012 struct be_adapter *adapter = netdev_priv(netdev);
1013 struct be_dma_mem eeprom_cmd;
1014 struct be_cmd_resp_seeprom_read *resp;
1015 int status;
1016
1017 if (!eeprom->len)
1018 return -EINVAL;
1019
1020 if (lancer_chip(adapter)) {
1021 if (be_physfn(adapter))
1022 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1023 eeprom->len, data);
1024 else
1025 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1026 eeprom->len, data);
1027 }
1028
1029 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1030
1031 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1032 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1033 eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1034 eeprom_cmd.size, &eeprom_cmd.dma,
1035 GFP_KERNEL);
1036
1037 if (!eeprom_cmd.va)
1038 return -ENOMEM;
1039
1040 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1041
1042 if (!status) {
1043 resp = eeprom_cmd.va;
1044 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1045 }
1046 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1047 eeprom_cmd.dma);
1048
1049 return be_cmd_status(status);
1050 }
1051
be_get_msg_level(struct net_device * netdev)1052 static u32 be_get_msg_level(struct net_device *netdev)
1053 {
1054 struct be_adapter *adapter = netdev_priv(netdev);
1055
1056 return adapter->msg_enable;
1057 }
1058
be_set_msg_level(struct net_device * netdev,u32 level)1059 static void be_set_msg_level(struct net_device *netdev, u32 level)
1060 {
1061 struct be_adapter *adapter = netdev_priv(netdev);
1062
1063 if (adapter->msg_enable == level)
1064 return;
1065
1066 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1067 if (BEx_chip(adapter))
1068 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1069 FW_LOG_LEVEL_DEFAULT :
1070 FW_LOG_LEVEL_FATAL);
1071 adapter->msg_enable = level;
1072 }
1073
be_get_rss_hash_opts(struct be_adapter * adapter,u64 flow_type)1074 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1075 {
1076 u64 data = 0;
1077
1078 switch (flow_type) {
1079 case TCP_V4_FLOW:
1080 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1081 data |= RXH_IP_DST | RXH_IP_SRC;
1082 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1083 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1084 break;
1085 case UDP_V4_FLOW:
1086 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1087 data |= RXH_IP_DST | RXH_IP_SRC;
1088 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1089 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1090 break;
1091 case TCP_V6_FLOW:
1092 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1093 data |= RXH_IP_DST | RXH_IP_SRC;
1094 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1095 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1096 break;
1097 case UDP_V6_FLOW:
1098 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1099 data |= RXH_IP_DST | RXH_IP_SRC;
1100 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1101 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1102 break;
1103 }
1104
1105 return data;
1106 }
1107
be_get_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd,u32 * rule_locs)1108 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1109 u32 *rule_locs)
1110 {
1111 struct be_adapter *adapter = netdev_priv(netdev);
1112
1113 if (!be_multi_rxq(adapter)) {
1114 dev_info(&adapter->pdev->dev,
1115 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1116 return -EINVAL;
1117 }
1118
1119 switch (cmd->cmd) {
1120 case ETHTOOL_GRXFH:
1121 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1122 break;
1123 case ETHTOOL_GRXRINGS:
1124 cmd->data = adapter->num_rx_qs;
1125 break;
1126 default:
1127 return -EINVAL;
1128 }
1129
1130 return 0;
1131 }
1132
be_set_rss_hash_opts(struct be_adapter * adapter,struct ethtool_rxnfc * cmd)1133 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1134 struct ethtool_rxnfc *cmd)
1135 {
1136 int status;
1137 u32 rss_flags = adapter->rss_info.rss_flags;
1138
1139 if (cmd->data != L3_RSS_FLAGS &&
1140 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1141 return -EINVAL;
1142
1143 switch (cmd->flow_type) {
1144 case TCP_V4_FLOW:
1145 if (cmd->data == L3_RSS_FLAGS)
1146 rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1147 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1148 rss_flags |= RSS_ENABLE_IPV4 |
1149 RSS_ENABLE_TCP_IPV4;
1150 break;
1151 case TCP_V6_FLOW:
1152 if (cmd->data == L3_RSS_FLAGS)
1153 rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1154 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1155 rss_flags |= RSS_ENABLE_IPV6 |
1156 RSS_ENABLE_TCP_IPV6;
1157 break;
1158 case UDP_V4_FLOW:
1159 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1160 BEx_chip(adapter))
1161 return -EINVAL;
1162
1163 if (cmd->data == L3_RSS_FLAGS)
1164 rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1165 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1166 rss_flags |= RSS_ENABLE_IPV4 |
1167 RSS_ENABLE_UDP_IPV4;
1168 break;
1169 case UDP_V6_FLOW:
1170 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1171 BEx_chip(adapter))
1172 return -EINVAL;
1173
1174 if (cmd->data == L3_RSS_FLAGS)
1175 rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1176 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1177 rss_flags |= RSS_ENABLE_IPV6 |
1178 RSS_ENABLE_UDP_IPV6;
1179 break;
1180 default:
1181 return -EINVAL;
1182 }
1183
1184 if (rss_flags == adapter->rss_info.rss_flags)
1185 return 0;
1186
1187 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1188 rss_flags, RSS_INDIR_TABLE_LEN,
1189 adapter->rss_info.rss_hkey);
1190 if (!status)
1191 adapter->rss_info.rss_flags = rss_flags;
1192
1193 return be_cmd_status(status);
1194 }
1195
be_set_rxnfc(struct net_device * netdev,struct ethtool_rxnfc * cmd)1196 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1197 {
1198 struct be_adapter *adapter = netdev_priv(netdev);
1199 int status = 0;
1200
1201 if (!be_multi_rxq(adapter)) {
1202 dev_err(&adapter->pdev->dev,
1203 "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1204 return -EINVAL;
1205 }
1206
1207 switch (cmd->cmd) {
1208 case ETHTOOL_SRXFH:
1209 status = be_set_rss_hash_opts(adapter, cmd);
1210 break;
1211 default:
1212 return -EINVAL;
1213 }
1214
1215 return status;
1216 }
1217
be_get_channels(struct net_device * netdev,struct ethtool_channels * ch)1218 static void be_get_channels(struct net_device *netdev,
1219 struct ethtool_channels *ch)
1220 {
1221 struct be_adapter *adapter = netdev_priv(netdev);
1222 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1223
1224 /* num_tx_qs is always same as the number of irqs used for TX */
1225 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1226 ch->rx_count = num_rx_irqs - ch->combined_count;
1227 ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1228
1229 ch->max_combined = be_max_qp_irqs(adapter);
1230 /* The user must create atleast one combined channel */
1231 ch->max_rx = be_max_rx_irqs(adapter) - 1;
1232 ch->max_tx = be_max_tx_irqs(adapter) - 1;
1233 }
1234
be_set_channels(struct net_device * netdev,struct ethtool_channels * ch)1235 static int be_set_channels(struct net_device *netdev,
1236 struct ethtool_channels *ch)
1237 {
1238 struct be_adapter *adapter = netdev_priv(netdev);
1239 int status;
1240
1241 /* we support either only combined channels or a combination of
1242 * combined and either RX-only or TX-only channels.
1243 */
1244 if (ch->other_count || !ch->combined_count ||
1245 (ch->rx_count && ch->tx_count))
1246 return -EINVAL;
1247
1248 if (ch->combined_count > be_max_qp_irqs(adapter) ||
1249 (ch->rx_count &&
1250 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1251 (ch->tx_count &&
1252 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1253 return -EINVAL;
1254
1255 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1256 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1257
1258 status = be_update_queues(adapter);
1259 return be_cmd_status(status);
1260 }
1261
be_get_rxfh_indir_size(struct net_device * netdev)1262 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1263 {
1264 return RSS_INDIR_TABLE_LEN;
1265 }
1266
be_get_rxfh_key_size(struct net_device * netdev)1267 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1268 {
1269 return RSS_HASH_KEY_LEN;
1270 }
1271
be_get_rxfh(struct net_device * netdev,u32 * indir,u8 * hkey,u8 * hfunc)1272 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1273 u8 *hfunc)
1274 {
1275 struct be_adapter *adapter = netdev_priv(netdev);
1276 int i;
1277 struct rss_info *rss = &adapter->rss_info;
1278
1279 if (indir) {
1280 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1281 indir[i] = rss->rss_queue[i];
1282 }
1283
1284 if (hkey)
1285 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1286
1287 if (hfunc)
1288 *hfunc = ETH_RSS_HASH_TOP;
1289
1290 return 0;
1291 }
1292
be_set_rxfh(struct net_device * netdev,const u32 * indir,const u8 * hkey,const u8 hfunc)1293 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1294 const u8 *hkey, const u8 hfunc)
1295 {
1296 int rc = 0, i, j;
1297 struct be_adapter *adapter = netdev_priv(netdev);
1298 u8 rsstable[RSS_INDIR_TABLE_LEN];
1299
1300 /* We do not allow change in unsupported parameters */
1301 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1302 return -EOPNOTSUPP;
1303
1304 if (indir) {
1305 struct be_rx_obj *rxo;
1306
1307 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1308 j = indir[i];
1309 rxo = &adapter->rx_obj[j];
1310 rsstable[i] = rxo->rss_id;
1311 adapter->rss_info.rss_queue[i] = j;
1312 }
1313 } else {
1314 memcpy(rsstable, adapter->rss_info.rsstable,
1315 RSS_INDIR_TABLE_LEN);
1316 }
1317
1318 if (!hkey)
1319 hkey = adapter->rss_info.rss_hkey;
1320
1321 rc = be_cmd_rss_config(adapter, rsstable,
1322 adapter->rss_info.rss_flags,
1323 RSS_INDIR_TABLE_LEN, hkey);
1324 if (rc) {
1325 adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1326 return -EIO;
1327 }
1328 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1329 memcpy(adapter->rss_info.rsstable, rsstable,
1330 RSS_INDIR_TABLE_LEN);
1331 return 0;
1332 }
1333
be_get_module_info(struct net_device * netdev,struct ethtool_modinfo * modinfo)1334 static int be_get_module_info(struct net_device *netdev,
1335 struct ethtool_modinfo *modinfo)
1336 {
1337 struct be_adapter *adapter = netdev_priv(netdev);
1338 u8 page_data[PAGE_DATA_LEN];
1339 int status;
1340
1341 if (!check_privilege(adapter, MAX_PRIVILEGES))
1342 return -EOPNOTSUPP;
1343
1344 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1345 0, PAGE_DATA_LEN, page_data);
1346 if (!status) {
1347 if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1348 modinfo->type = ETH_MODULE_SFF_8079;
1349 modinfo->eeprom_len = PAGE_DATA_LEN;
1350 } else {
1351 modinfo->type = ETH_MODULE_SFF_8472;
1352 modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1353 }
1354 }
1355 return be_cmd_status(status);
1356 }
1357
be_get_module_eeprom(struct net_device * netdev,struct ethtool_eeprom * eeprom,u8 * data)1358 static int be_get_module_eeprom(struct net_device *netdev,
1359 struct ethtool_eeprom *eeprom, u8 *data)
1360 {
1361 struct be_adapter *adapter = netdev_priv(netdev);
1362 int status;
1363 u32 begin, end;
1364
1365 if (!check_privilege(adapter, MAX_PRIVILEGES))
1366 return -EOPNOTSUPP;
1367
1368 begin = eeprom->offset;
1369 end = eeprom->offset + eeprom->len;
1370
1371 if (begin < PAGE_DATA_LEN) {
1372 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, begin,
1373 min_t(u32, end, PAGE_DATA_LEN) - begin,
1374 data);
1375 if (status)
1376 goto err;
1377
1378 data += PAGE_DATA_LEN - begin;
1379 begin = PAGE_DATA_LEN;
1380 }
1381
1382 if (end > PAGE_DATA_LEN) {
1383 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A2,
1384 begin - PAGE_DATA_LEN,
1385 end - begin, data);
1386 if (status)
1387 goto err;
1388 }
1389 err:
1390 return be_cmd_status(status);
1391 }
1392
be_get_priv_flags(struct net_device * netdev)1393 static u32 be_get_priv_flags(struct net_device *netdev)
1394 {
1395 struct be_adapter *adapter = netdev_priv(netdev);
1396
1397 return adapter->priv_flags;
1398 }
1399
be_set_priv_flags(struct net_device * netdev,u32 flags)1400 static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1401 {
1402 struct be_adapter *adapter = netdev_priv(netdev);
1403 bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1404 bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1405
1406 if (tpe_old != tpe_new) {
1407 if (tpe_new) {
1408 adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1409 dev_info(&adapter->pdev->dev,
1410 "HW error recovery is disabled\n");
1411 } else {
1412 adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1413 dev_info(&adapter->pdev->dev,
1414 "HW error recovery is enabled\n");
1415 }
1416 }
1417
1418 return 0;
1419 }
1420
1421 const struct ethtool_ops be_ethtool_ops = {
1422 .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1423 ETHTOOL_COALESCE_USE_ADAPTIVE |
1424 ETHTOOL_COALESCE_USECS_LOW_HIGH,
1425 .get_drvinfo = be_get_drvinfo,
1426 .get_wol = be_get_wol,
1427 .set_wol = be_set_wol,
1428 .get_link = ethtool_op_get_link,
1429 .get_eeprom_len = be_get_eeprom_len,
1430 .get_eeprom = be_read_eeprom,
1431 .get_coalesce = be_get_coalesce,
1432 .set_coalesce = be_set_coalesce,
1433 .get_ringparam = be_get_ringparam,
1434 .get_pauseparam = be_get_pauseparam,
1435 .set_pauseparam = be_set_pauseparam,
1436 .set_priv_flags = be_set_priv_flags,
1437 .get_priv_flags = be_get_priv_flags,
1438 .get_strings = be_get_stat_strings,
1439 .set_phys_id = be_set_phys_id,
1440 .set_dump = be_set_dump,
1441 .get_msglevel = be_get_msg_level,
1442 .set_msglevel = be_set_msg_level,
1443 .get_sset_count = be_get_sset_count,
1444 .get_ethtool_stats = be_get_ethtool_stats,
1445 .flash_device = be_do_flash,
1446 .self_test = be_self_test,
1447 .get_rxnfc = be_get_rxnfc,
1448 .set_rxnfc = be_set_rxnfc,
1449 .get_rxfh_indir_size = be_get_rxfh_indir_size,
1450 .get_rxfh_key_size = be_get_rxfh_key_size,
1451 .get_rxfh = be_get_rxfh,
1452 .set_rxfh = be_set_rxfh,
1453 .get_dump_flag = be_get_dump_flag,
1454 .get_dump_data = be_get_dump_data,
1455 .get_channels = be_get_channels,
1456 .set_channels = be_set_channels,
1457 .get_module_info = be_get_module_info,
1458 .get_module_eeprom = be_get_module_eeprom,
1459 .get_link_ksettings = be_get_link_ksettings,
1460 };
1461