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selinux: fix overflow and 0 length allocations
[deliverable/linux.git] / drivers / net / ethernet / emulex / benet / be_ethtool.c
1 /*
2 * Copyright (C) 2005 - 2016 Broadcom
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 /* Received packets dropped when the RX block runs out of space in
82 * one of its input FIFOs. This could happen due a long burst of
83 * minimum-sized (64b) frames in the receive path.
84 * This counter may also be erroneously incremented rarely.
85 */
86 {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
87 {DRVSTAT_INFO(rx_ip_checksum_errs)},
88 {DRVSTAT_INFO(rx_tcp_checksum_errs)},
89 {DRVSTAT_INFO(rx_udp_checksum_errs)},
90 {DRVSTAT_INFO(tx_pauseframes)},
91 {DRVSTAT_INFO(tx_controlframes)},
92 {DRVSTAT_INFO(rx_priority_pause_frames)},
93 {DRVSTAT_INFO(tx_priority_pauseframes)},
94 /* Received packets dropped when an internal fifo going into
95 * main packet buffer tank (PMEM) overflows.
96 */
97 {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
98 {DRVSTAT_INFO(jabber_events)},
99 /* Received packets dropped due to lack of available HW packet buffers
100 * used to temporarily hold the received packets.
101 */
102 {DRVSTAT_INFO(rx_drops_no_pbuf)},
103 /* Received packets dropped due to input receive buffer
104 * descriptor fifo overflowing.
105 */
106 {DRVSTAT_INFO(rx_drops_no_erx_descr)},
107 /* Packets dropped because the internal FIFO to the offloaded TCP
108 * receive processing block is full. This could happen only for
109 * offloaded iSCSI or FCoE trarffic.
110 */
111 {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
112 /* Received packets dropped when they need more than 8
113 * receive buffers. This cannot happen as the driver configures
114 * 2048 byte receive buffers.
115 */
116 {DRVSTAT_INFO(rx_drops_too_many_frags)},
117 {DRVSTAT_INFO(forwarded_packets)},
118 /* Received packets dropped when the frame length
119 * is more than 9018 bytes
120 */
121 {DRVSTAT_INFO(rx_drops_mtu)},
122 /* Number of dma mapping errors */
123 {DRVSTAT_INFO(dma_map_errors)},
124 /* Number of packets dropped due to random early drop function */
125 {DRVSTAT_INFO(eth_red_drops)},
126 {DRVSTAT_INFO(rx_roce_bytes_lsd)},
127 {DRVSTAT_INFO(rx_roce_bytes_msd)},
128 {DRVSTAT_INFO(rx_roce_frames)},
129 {DRVSTAT_INFO(roce_drops_payload_len)},
130 {DRVSTAT_INFO(roce_drops_crc)}
131 };
132
133 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
134
135 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
136 * are first and second members respectively.
137 */
138 static const struct be_ethtool_stat et_rx_stats[] = {
139 {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
140 {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
141 {DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
142 {DRVSTAT_RX_INFO(rx_compl)},
143 {DRVSTAT_RX_INFO(rx_compl_err)},
144 {DRVSTAT_RX_INFO(rx_mcast_pkts)},
145 /* Number of page allocation failures while posting receive buffers
146 * to HW.
147 */
148 {DRVSTAT_RX_INFO(rx_post_fail)},
149 /* Recevied packets dropped due to skb allocation failure */
150 {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
151 /* Received packets dropped due to lack of available fetched buffers
152 * posted by the driver.
153 */
154 {DRVSTAT_RX_INFO(rx_drops_no_frags)}
155 };
156
157 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
158
159 /* Stats related to multi TX queues: get_stats routine assumes compl is the
160 * first member
161 */
162 static const struct be_ethtool_stat et_tx_stats[] = {
163 {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
164 /* This counter is incremented when the HW encounters an error while
165 * parsing the packet header of an outgoing TX request. This counter is
166 * applicable only for BE2, BE3 and Skyhawk based adapters.
167 */
168 {DRVSTAT_TX_INFO(tx_hdr_parse_err)},
169 /* This counter is incremented when an error occurs in the DMA
170 * operation associated with the TX request from the host to the device.
171 */
172 {DRVSTAT_TX_INFO(tx_dma_err)},
173 /* This counter is incremented when MAC or VLAN spoof checking is
174 * enabled on the interface and the TX request fails the spoof check
175 * in HW.
176 */
177 {DRVSTAT_TX_INFO(tx_spoof_check_err)},
178 /* This counter is incremented when the HW encounters an error while
179 * performing TSO offload. This counter is applicable only for Lancer
180 * adapters.
181 */
182 {DRVSTAT_TX_INFO(tx_tso_err)},
183 /* This counter is incremented when the HW detects Q-in-Q style VLAN
184 * tagging in a packet and such tagging is not expected on the outgoing
185 * interface. This counter is applicable only for Lancer adapters.
186 */
187 {DRVSTAT_TX_INFO(tx_qinq_err)},
188 /* This counter is incremented when the HW detects parity errors in the
189 * packet data. This counter is applicable only for Lancer adapters.
190 */
191 {DRVSTAT_TX_INFO(tx_internal_parity_err)},
192 {DRVSTAT_TX_INFO(tx_bytes)},
193 {DRVSTAT_TX_INFO(tx_pkts)},
194 {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
195 /* Number of skbs queued for trasmission by the driver */
196 {DRVSTAT_TX_INFO(tx_reqs)},
197 /* Number of times the TX queue was stopped due to lack
198 * of spaces in the TXQ.
199 */
200 {DRVSTAT_TX_INFO(tx_stops)},
201 /* Pkts dropped in the driver's transmit path */
202 {DRVSTAT_TX_INFO(tx_drv_drops)}
203 };
204
205 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
206
207 static const char et_self_tests[][ETH_GSTRING_LEN] = {
208 "MAC Loopback test",
209 "PHY Loopback test",
210 "External Loopback test",
211 "DDR DMA test",
212 "Link test"
213 };
214
215 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
216 #define BE_MAC_LOOPBACK 0x0
217 #define BE_PHY_LOOPBACK 0x1
218 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
219 #define BE_NO_LOOPBACK 0xff
220
221 static void be_get_drvinfo(struct net_device *netdev,
222 struct ethtool_drvinfo *drvinfo)
223 {
224 struct be_adapter *adapter = netdev_priv(netdev);
225
226 strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
227 strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
228 if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
229 strlcpy(drvinfo->fw_version, adapter->fw_ver,
230 sizeof(drvinfo->fw_version));
231 else
232 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
233 "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
234
235 strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
236 sizeof(drvinfo->bus_info));
237 }
238
239 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
240 {
241 u32 data_read = 0, eof;
242 u8 addn_status;
243 struct be_dma_mem data_len_cmd;
244
245 memset(&data_len_cmd, 0, sizeof(data_len_cmd));
246 /* data_offset and data_size should be 0 to get reg len */
247 lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
248 &data_read, &eof, &addn_status);
249
250 return data_read;
251 }
252
253 static int be_get_dump_len(struct be_adapter *adapter)
254 {
255 u32 dump_size = 0;
256
257 if (lancer_chip(adapter))
258 dump_size = lancer_cmd_get_file_len(adapter,
259 LANCER_FW_DUMP_FILE);
260 else
261 dump_size = adapter->fat_dump_len;
262
263 return dump_size;
264 }
265
266 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
267 u32 buf_len, void *buf)
268 {
269 struct be_dma_mem read_cmd;
270 u32 read_len = 0, total_read_len = 0, chunk_size;
271 u32 eof = 0;
272 u8 addn_status;
273 int status = 0;
274
275 read_cmd.size = LANCER_READ_FILE_CHUNK;
276 read_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev, read_cmd.size,
277 &read_cmd.dma, GFP_ATOMIC);
278
279 if (!read_cmd.va) {
280 dev_err(&adapter->pdev->dev,
281 "Memory allocation failure while reading dump\n");
282 return -ENOMEM;
283 }
284
285 while ((total_read_len < buf_len) && !eof) {
286 chunk_size = min_t(u32, (buf_len - total_read_len),
287 LANCER_READ_FILE_CHUNK);
288 chunk_size = ALIGN(chunk_size, 4);
289 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
290 total_read_len, file_name,
291 &read_len, &eof, &addn_status);
292 if (!status) {
293 memcpy(buf + total_read_len, read_cmd.va, read_len);
294 total_read_len += read_len;
295 eof &= LANCER_READ_FILE_EOF_MASK;
296 } else {
297 status = -EIO;
298 break;
299 }
300 }
301 dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
302 read_cmd.dma);
303
304 return status;
305 }
306
307 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
308 void *buf)
309 {
310 int status = 0;
311
312 if (lancer_chip(adapter))
313 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
314 dump_len, buf);
315 else
316 status = be_cmd_get_fat_dump(adapter, dump_len, buf);
317
318 return status;
319 }
320
321 static int be_get_coalesce(struct net_device *netdev,
322 struct ethtool_coalesce *et)
323 {
324 struct be_adapter *adapter = netdev_priv(netdev);
325 struct be_aic_obj *aic = &adapter->aic_obj[0];
326
327 et->rx_coalesce_usecs = aic->prev_eqd;
328 et->rx_coalesce_usecs_high = aic->max_eqd;
329 et->rx_coalesce_usecs_low = aic->min_eqd;
330
331 et->tx_coalesce_usecs = aic->prev_eqd;
332 et->tx_coalesce_usecs_high = aic->max_eqd;
333 et->tx_coalesce_usecs_low = aic->min_eqd;
334
335 et->use_adaptive_rx_coalesce = aic->enable;
336 et->use_adaptive_tx_coalesce = aic->enable;
337
338 return 0;
339 }
340
341 /* TX attributes are ignored. Only RX attributes are considered
342 * eqd cmd is issued in the worker thread.
343 */
344 static int be_set_coalesce(struct net_device *netdev,
345 struct ethtool_coalesce *et)
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 for_all_evt_queues(adapter, eqo, i) {
353 aic->enable = et->use_adaptive_rx_coalesce;
354 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
355 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
356 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
357 aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
358 aic++;
359 }
360
361 /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
362 * When AIC is disabled, persistently force set EQD value via the
363 * FW cmd, so that we don't have to calculate the delay multiplier
364 * encode value each time EQ_DB is rung
365 */
366 if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
367 be_eqd_update(adapter, true);
368
369 return 0;
370 }
371
372 static void be_get_ethtool_stats(struct net_device *netdev,
373 struct ethtool_stats *stats, uint64_t *data)
374 {
375 struct be_adapter *adapter = netdev_priv(netdev);
376 struct be_rx_obj *rxo;
377 struct be_tx_obj *txo;
378 void *p;
379 unsigned int i, j, base = 0, start;
380
381 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
382 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
383 data[i] = *(u32 *)p;
384 }
385 base += ETHTOOL_STATS_NUM;
386
387 for_all_rx_queues(adapter, rxo, j) {
388 struct be_rx_stats *stats = rx_stats(rxo);
389
390 do {
391 start = u64_stats_fetch_begin_irq(&stats->sync);
392 data[base] = stats->rx_bytes;
393 data[base + 1] = stats->rx_pkts;
394 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
395
396 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
397 p = (u8 *)stats + et_rx_stats[i].offset;
398 data[base + i] = *(u32 *)p;
399 }
400 base += ETHTOOL_RXSTATS_NUM;
401 }
402
403 for_all_tx_queues(adapter, txo, j) {
404 struct be_tx_stats *stats = tx_stats(txo);
405
406 do {
407 start = u64_stats_fetch_begin_irq(&stats->sync_compl);
408 data[base] = stats->tx_compl;
409 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
410
411 do {
412 start = u64_stats_fetch_begin_irq(&stats->sync);
413 for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
414 p = (u8 *)stats + et_tx_stats[i].offset;
415 data[base + i] =
416 (et_tx_stats[i].size == sizeof(u64)) ?
417 *(u64 *)p : *(u32 *)p;
418 }
419 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
420 base += ETHTOOL_TXSTATS_NUM;
421 }
422 }
423
424 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
425 uint8_t *data)
426 {
427 struct be_adapter *adapter = netdev_priv(netdev);
428 int i, j;
429
430 switch (stringset) {
431 case ETH_SS_STATS:
432 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
433 memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
434 data += ETH_GSTRING_LEN;
435 }
436 for (i = 0; i < adapter->num_rx_qs; i++) {
437 for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
438 sprintf(data, "rxq%d: %s", i,
439 et_rx_stats[j].desc);
440 data += ETH_GSTRING_LEN;
441 }
442 }
443 for (i = 0; i < adapter->num_tx_qs; i++) {
444 for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
445 sprintf(data, "txq%d: %s", i,
446 et_tx_stats[j].desc);
447 data += ETH_GSTRING_LEN;
448 }
449 }
450 break;
451 case ETH_SS_TEST:
452 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
453 memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
454 data += ETH_GSTRING_LEN;
455 }
456 break;
457 }
458 }
459
460 static int be_get_sset_count(struct net_device *netdev, int stringset)
461 {
462 struct be_adapter *adapter = netdev_priv(netdev);
463
464 switch (stringset) {
465 case ETH_SS_TEST:
466 return ETHTOOL_TESTS_NUM;
467 case ETH_SS_STATS:
468 return ETHTOOL_STATS_NUM +
469 adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
470 adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
471 default:
472 return -EINVAL;
473 }
474 }
475
476 static u32 be_get_port_type(struct be_adapter *adapter)
477 {
478 u32 port;
479
480 switch (adapter->phy.interface_type) {
481 case PHY_TYPE_BASET_1GB:
482 case PHY_TYPE_BASEX_1GB:
483 case PHY_TYPE_SGMII:
484 port = PORT_TP;
485 break;
486 case PHY_TYPE_SFP_PLUS_10GB:
487 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
488 port = PORT_DA;
489 else
490 port = PORT_FIBRE;
491 break;
492 case PHY_TYPE_QSFP:
493 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
494 port = PORT_DA;
495 else
496 port = PORT_FIBRE;
497 break;
498 case PHY_TYPE_XFP_10GB:
499 case PHY_TYPE_SFP_1GB:
500 port = PORT_FIBRE;
501 break;
502 case PHY_TYPE_BASET_10GB:
503 port = PORT_TP;
504 break;
505 default:
506 port = PORT_OTHER;
507 }
508
509 return port;
510 }
511
512 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
513 {
514 u32 val = 0;
515
516 switch (adapter->phy.interface_type) {
517 case PHY_TYPE_BASET_1GB:
518 case PHY_TYPE_BASEX_1GB:
519 case PHY_TYPE_SGMII:
520 val |= SUPPORTED_TP;
521 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
522 val |= SUPPORTED_1000baseT_Full;
523 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
524 val |= SUPPORTED_100baseT_Full;
525 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
526 val |= SUPPORTED_10baseT_Full;
527 break;
528 case PHY_TYPE_KX4_10GB:
529 val |= SUPPORTED_Backplane;
530 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
531 val |= SUPPORTED_1000baseKX_Full;
532 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
533 val |= SUPPORTED_10000baseKX4_Full;
534 break;
535 case PHY_TYPE_KR2_20GB:
536 val |= SUPPORTED_Backplane;
537 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
538 val |= SUPPORTED_10000baseKR_Full;
539 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
540 val |= SUPPORTED_20000baseKR2_Full;
541 break;
542 case PHY_TYPE_KR_10GB:
543 val |= SUPPORTED_Backplane |
544 SUPPORTED_10000baseKR_Full;
545 break;
546 case PHY_TYPE_KR4_40GB:
547 val |= SUPPORTED_Backplane;
548 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
549 val |= SUPPORTED_10000baseKR_Full;
550 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
551 val |= SUPPORTED_40000baseKR4_Full;
552 break;
553 case PHY_TYPE_QSFP:
554 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
555 switch (adapter->phy.cable_type) {
556 case QSFP_PLUS_CR4_CABLE:
557 val |= SUPPORTED_40000baseCR4_Full;
558 break;
559 case QSFP_PLUS_LR4_CABLE:
560 val |= SUPPORTED_40000baseLR4_Full;
561 break;
562 default:
563 val |= SUPPORTED_40000baseSR4_Full;
564 break;
565 }
566 }
567 case PHY_TYPE_SFP_PLUS_10GB:
568 case PHY_TYPE_XFP_10GB:
569 case PHY_TYPE_SFP_1GB:
570 val |= SUPPORTED_FIBRE;
571 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
572 val |= SUPPORTED_10000baseT_Full;
573 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
574 val |= SUPPORTED_1000baseT_Full;
575 break;
576 case PHY_TYPE_BASET_10GB:
577 val |= SUPPORTED_TP;
578 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
579 val |= SUPPORTED_10000baseT_Full;
580 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
581 val |= SUPPORTED_1000baseT_Full;
582 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
583 val |= SUPPORTED_100baseT_Full;
584 break;
585 default:
586 val |= SUPPORTED_TP;
587 }
588
589 return val;
590 }
591
592 bool be_pause_supported(struct be_adapter *adapter)
593 {
594 return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
595 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
596 false : true;
597 }
598
599 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
600 {
601 struct be_adapter *adapter = netdev_priv(netdev);
602 u8 link_status;
603 u16 link_speed = 0;
604 int status;
605 u32 auto_speeds;
606 u32 fixed_speeds;
607
608 if (adapter->phy.link_speed < 0) {
609 status = be_cmd_link_status_query(adapter, &link_speed,
610 &link_status, 0);
611 if (!status)
612 be_link_status_update(adapter, link_status);
613 ethtool_cmd_speed_set(ecmd, link_speed);
614
615 status = be_cmd_get_phy_info(adapter);
616 if (!status) {
617 auto_speeds = adapter->phy.auto_speeds_supported;
618 fixed_speeds = adapter->phy.fixed_speeds_supported;
619
620 be_cmd_query_cable_type(adapter);
621
622 ecmd->supported =
623 convert_to_et_setting(adapter,
624 auto_speeds |
625 fixed_speeds);
626 ecmd->advertising =
627 convert_to_et_setting(adapter, auto_speeds);
628
629 ecmd->port = be_get_port_type(adapter);
630
631 if (adapter->phy.auto_speeds_supported) {
632 ecmd->supported |= SUPPORTED_Autoneg;
633 ecmd->autoneg = AUTONEG_ENABLE;
634 ecmd->advertising |= ADVERTISED_Autoneg;
635 }
636
637 ecmd->supported |= SUPPORTED_Pause;
638 if (be_pause_supported(adapter))
639 ecmd->advertising |= ADVERTISED_Pause;
640
641 switch (adapter->phy.interface_type) {
642 case PHY_TYPE_KR_10GB:
643 case PHY_TYPE_KX4_10GB:
644 ecmd->transceiver = XCVR_INTERNAL;
645 break;
646 default:
647 ecmd->transceiver = XCVR_EXTERNAL;
648 break;
649 }
650 } else {
651 ecmd->port = PORT_OTHER;
652 ecmd->autoneg = AUTONEG_DISABLE;
653 ecmd->transceiver = XCVR_DUMMY1;
654 }
655
656 /* Save for future use */
657 adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
658 adapter->phy.port_type = ecmd->port;
659 adapter->phy.transceiver = ecmd->transceiver;
660 adapter->phy.autoneg = ecmd->autoneg;
661 adapter->phy.advertising = ecmd->advertising;
662 adapter->phy.supported = ecmd->supported;
663 } else {
664 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
665 ecmd->port = adapter->phy.port_type;
666 ecmd->transceiver = adapter->phy.transceiver;
667 ecmd->autoneg = adapter->phy.autoneg;
668 ecmd->advertising = adapter->phy.advertising;
669 ecmd->supported = adapter->phy.supported;
670 }
671
672 ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
673 ecmd->phy_address = adapter->port_num;
674
675 return 0;
676 }
677
678 static void be_get_ringparam(struct net_device *netdev,
679 struct ethtool_ringparam *ring)
680 {
681 struct be_adapter *adapter = netdev_priv(netdev);
682
683 ring->rx_max_pending = adapter->rx_obj[0].q.len;
684 ring->rx_pending = adapter->rx_obj[0].q.len;
685 ring->tx_max_pending = adapter->tx_obj[0].q.len;
686 ring->tx_pending = adapter->tx_obj[0].q.len;
687 }
688
689 static void
690 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
691 {
692 struct be_adapter *adapter = netdev_priv(netdev);
693
694 be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
695 ecmd->autoneg = adapter->phy.fc_autoneg;
696 }
697
698 static int
699 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
700 {
701 struct be_adapter *adapter = netdev_priv(netdev);
702 int status;
703
704 if (ecmd->autoneg != adapter->phy.fc_autoneg)
705 return -EINVAL;
706
707 status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
708 ecmd->rx_pause);
709 if (status) {
710 dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
711 return be_cmd_status(status);
712 }
713
714 adapter->tx_fc = ecmd->tx_pause;
715 adapter->rx_fc = ecmd->rx_pause;
716 return 0;
717 }
718
719 static int be_set_phys_id(struct net_device *netdev,
720 enum ethtool_phys_id_state state)
721 {
722 struct be_adapter *adapter = netdev_priv(netdev);
723 int status = 0;
724
725 switch (state) {
726 case ETHTOOL_ID_ACTIVE:
727 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
728 &adapter->beacon_state);
729 if (status)
730 return be_cmd_status(status);
731 return 1; /* cycle on/off once per second */
732
733 case ETHTOOL_ID_ON:
734 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
735 0, 0, BEACON_STATE_ENABLED);
736 break;
737
738 case ETHTOOL_ID_OFF:
739 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
740 0, 0, BEACON_STATE_DISABLED);
741 break;
742
743 case ETHTOOL_ID_INACTIVE:
744 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
745 0, 0, adapter->beacon_state);
746 }
747
748 return be_cmd_status(status);
749 }
750
751 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
752 {
753 struct be_adapter *adapter = netdev_priv(netdev);
754 struct device *dev = &adapter->pdev->dev;
755 int status;
756
757 if (!lancer_chip(adapter) ||
758 !check_privilege(adapter, MAX_PRIVILEGES))
759 return -EOPNOTSUPP;
760
761 switch (dump->flag) {
762 case LANCER_INITIATE_FW_DUMP:
763 status = lancer_initiate_dump(adapter);
764 if (!status)
765 dev_info(dev, "FW dump initiated successfully\n");
766 break;
767 case LANCER_DELETE_FW_DUMP:
768 status = lancer_delete_dump(adapter);
769 if (!status)
770 dev_info(dev, "FW dump deleted successfully\n");
771 break;
772 default:
773 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
774 return -EINVAL;
775 }
776 return status;
777 }
778
779 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
780 {
781 struct be_adapter *adapter = netdev_priv(netdev);
782
783 if (adapter->wol_cap & BE_WOL_CAP) {
784 wol->supported |= WAKE_MAGIC;
785 if (adapter->wol_en)
786 wol->wolopts |= WAKE_MAGIC;
787 } else {
788 wol->wolopts = 0;
789 }
790 memset(&wol->sopass, 0, sizeof(wol->sopass));
791 }
792
793 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
794 {
795 struct be_adapter *adapter = netdev_priv(netdev);
796 struct device *dev = &adapter->pdev->dev;
797 struct be_dma_mem cmd;
798 u8 mac[ETH_ALEN];
799 bool enable;
800 int status;
801
802 if (wol->wolopts & ~WAKE_MAGIC)
803 return -EOPNOTSUPP;
804
805 if (!(adapter->wol_cap & BE_WOL_CAP)) {
806 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
807 return -EOPNOTSUPP;
808 }
809
810 cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
811 cmd.va = dma_zalloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
812 if (!cmd.va)
813 return -ENOMEM;
814
815 eth_zero_addr(mac);
816
817 enable = wol->wolopts & WAKE_MAGIC;
818 if (enable)
819 ether_addr_copy(mac, adapter->netdev->dev_addr);
820
821 status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
822 if (status) {
823 dev_err(dev, "Could not set Wake-on-lan mac address\n");
824 status = be_cmd_status(status);
825 goto err;
826 }
827
828 pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
829 pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
830
831 adapter->wol_en = enable ? true : false;
832
833 err:
834 dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
835 return status;
836 }
837
838 static int be_test_ddr_dma(struct be_adapter *adapter)
839 {
840 int ret, i;
841 struct be_dma_mem ddrdma_cmd;
842 static const u64 pattern[2] = {
843 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
844 };
845
846 ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
847 ddrdma_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
848 ddrdma_cmd.size, &ddrdma_cmd.dma,
849 GFP_KERNEL);
850 if (!ddrdma_cmd.va)
851 return -ENOMEM;
852
853 for (i = 0; i < 2; i++) {
854 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
855 4096, &ddrdma_cmd);
856 if (ret != 0)
857 goto err;
858 }
859
860 err:
861 dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
862 ddrdma_cmd.dma);
863 return be_cmd_status(ret);
864 }
865
866 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
867 u64 *status)
868 {
869 int ret;
870
871 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
872 loopback_type, 1);
873 if (ret)
874 return ret;
875
876 *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
877 loopback_type, 1500, 2, 0xabc);
878
879 ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
880 BE_NO_LOOPBACK, 1);
881 if (ret)
882 return ret;
883
884 return *status;
885 }
886
887 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
888 u64 *data)
889 {
890 struct be_adapter *adapter = netdev_priv(netdev);
891 int status;
892 u8 link_status = 0;
893
894 if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
895 dev_err(&adapter->pdev->dev, "Self test not supported\n");
896 test->flags |= ETH_TEST_FL_FAILED;
897 return;
898 }
899
900 memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
901
902 if (test->flags & ETH_TEST_FL_OFFLINE) {
903 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
904 test->flags |= ETH_TEST_FL_FAILED;
905
906 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
907 test->flags |= ETH_TEST_FL_FAILED;
908
909 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
910 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
911 &data[2]) != 0)
912 test->flags |= ETH_TEST_FL_FAILED;
913 test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
914 }
915 }
916
917 if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
918 data[3] = 1;
919 test->flags |= ETH_TEST_FL_FAILED;
920 }
921
922 status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
923 if (status) {
924 test->flags |= ETH_TEST_FL_FAILED;
925 data[4] = -1;
926 } else if (!link_status) {
927 test->flags |= ETH_TEST_FL_FAILED;
928 data[4] = 1;
929 }
930 }
931
932 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
933 {
934 struct be_adapter *adapter = netdev_priv(netdev);
935
936 return be_load_fw(adapter, efl->data);
937 }
938
939 static int
940 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
941 {
942 struct be_adapter *adapter = netdev_priv(netdev);
943
944 if (!check_privilege(adapter, MAX_PRIVILEGES))
945 return -EOPNOTSUPP;
946
947 dump->len = be_get_dump_len(adapter);
948 dump->version = 1;
949 dump->flag = 0x1; /* FW dump is enabled */
950 return 0;
951 }
952
953 static int
954 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
955 void *buf)
956 {
957 struct be_adapter *adapter = netdev_priv(netdev);
958 int status;
959
960 if (!check_privilege(adapter, MAX_PRIVILEGES))
961 return -EOPNOTSUPP;
962
963 status = be_read_dump_data(adapter, dump->len, buf);
964 return be_cmd_status(status);
965 }
966
967 static int be_get_eeprom_len(struct net_device *netdev)
968 {
969 struct be_adapter *adapter = netdev_priv(netdev);
970
971 if (!check_privilege(adapter, MAX_PRIVILEGES))
972 return 0;
973
974 if (lancer_chip(adapter)) {
975 if (be_physfn(adapter))
976 return lancer_cmd_get_file_len(adapter,
977 LANCER_VPD_PF_FILE);
978 else
979 return lancer_cmd_get_file_len(adapter,
980 LANCER_VPD_VF_FILE);
981 } else {
982 return BE_READ_SEEPROM_LEN;
983 }
984 }
985
986 static int be_read_eeprom(struct net_device *netdev,
987 struct ethtool_eeprom *eeprom, uint8_t *data)
988 {
989 struct be_adapter *adapter = netdev_priv(netdev);
990 struct be_dma_mem eeprom_cmd;
991 struct be_cmd_resp_seeprom_read *resp;
992 int status;
993
994 if (!eeprom->len)
995 return -EINVAL;
996
997 if (lancer_chip(adapter)) {
998 if (be_physfn(adapter))
999 return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1000 eeprom->len, data);
1001 else
1002 return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1003 eeprom->len, data);
1004 }
1005
1006 eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1007
1008 memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1009 eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1010 eeprom_cmd.va = dma_zalloc_coherent(&adapter->pdev->dev,
1011 eeprom_cmd.size, &eeprom_cmd.dma,
1012 GFP_KERNEL);
1013
1014 if (!eeprom_cmd.va)
1015 return -ENOMEM;
1016
1017 status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1018
1019 if (!status) {
1020 resp = eeprom_cmd.va;
1021 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1022 }
1023 dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1024 eeprom_cmd.dma);
1025
1026 return be_cmd_status(status);
1027 }
1028
1029 static u32 be_get_msg_level(struct net_device *netdev)
1030 {
1031 struct be_adapter *adapter = netdev_priv(netdev);
1032
1033 return adapter->msg_enable;
1034 }
1035
1036 static void be_set_msg_level(struct net_device *netdev, u32 level)
1037 {
1038 struct be_adapter *adapter = netdev_priv(netdev);
1039
1040 if (adapter->msg_enable == level)
1041 return;
1042
1043 if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1044 if (BEx_chip(adapter))
1045 be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1046 FW_LOG_LEVEL_DEFAULT :
1047 FW_LOG_LEVEL_FATAL);
1048 adapter->msg_enable = level;
1049 }
1050
1051 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1052 {
1053 u64 data = 0;
1054
1055 switch (flow_type) {
1056 case TCP_V4_FLOW:
1057 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1058 data |= RXH_IP_DST | RXH_IP_SRC;
1059 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1060 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1061 break;
1062 case UDP_V4_FLOW:
1063 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1064 data |= RXH_IP_DST | RXH_IP_SRC;
1065 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1066 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1067 break;
1068 case TCP_V6_FLOW:
1069 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1070 data |= RXH_IP_DST | RXH_IP_SRC;
1071 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1072 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1073 break;
1074 case UDP_V6_FLOW:
1075 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1076 data |= RXH_IP_DST | RXH_IP_SRC;
1077 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1078 data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1079 break;
1080 }
1081
1082 return data;
1083 }
1084
1085 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1086 u32 *rule_locs)
1087 {
1088 struct be_adapter *adapter = netdev_priv(netdev);
1089
1090 if (!be_multi_rxq(adapter)) {
1091 dev_info(&adapter->pdev->dev,
1092 "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1093 return -EINVAL;
1094 }
1095
1096 switch (cmd->cmd) {
1097 case ETHTOOL_GRXFH:
1098 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1099 break;
1100 case ETHTOOL_GRXRINGS:
1101 cmd->data = adapter->num_rx_qs - 1;
1102 break;
1103 default:
1104 return -EINVAL;
1105 }
1106
1107 return 0;
1108 }
1109
1110 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1111 struct ethtool_rxnfc *cmd)
1112 {
1113 int status;
1114 u32 rss_flags = adapter->rss_info.rss_flags;
1115
1116 if (cmd->data != L3_RSS_FLAGS &&
1117 cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1118 return -EINVAL;
1119
1120 switch (cmd->flow_type) {
1121 case TCP_V4_FLOW:
1122 if (cmd->data == L3_RSS_FLAGS)
1123 rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1124 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1125 rss_flags |= RSS_ENABLE_IPV4 |
1126 RSS_ENABLE_TCP_IPV4;
1127 break;
1128 case TCP_V6_FLOW:
1129 if (cmd->data == L3_RSS_FLAGS)
1130 rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1131 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1132 rss_flags |= RSS_ENABLE_IPV6 |
1133 RSS_ENABLE_TCP_IPV6;
1134 break;
1135 case UDP_V4_FLOW:
1136 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1137 BEx_chip(adapter))
1138 return -EINVAL;
1139
1140 if (cmd->data == L3_RSS_FLAGS)
1141 rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1142 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1143 rss_flags |= RSS_ENABLE_IPV4 |
1144 RSS_ENABLE_UDP_IPV4;
1145 break;
1146 case UDP_V6_FLOW:
1147 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1148 BEx_chip(adapter))
1149 return -EINVAL;
1150
1151 if (cmd->data == L3_RSS_FLAGS)
1152 rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1153 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1154 rss_flags |= RSS_ENABLE_IPV6 |
1155 RSS_ENABLE_UDP_IPV6;
1156 break;
1157 default:
1158 return -EINVAL;
1159 }
1160
1161 if (rss_flags == adapter->rss_info.rss_flags)
1162 return 0;
1163
1164 status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1165 rss_flags, RSS_INDIR_TABLE_LEN,
1166 adapter->rss_info.rss_hkey);
1167 if (!status)
1168 adapter->rss_info.rss_flags = rss_flags;
1169
1170 return be_cmd_status(status);
1171 }
1172
1173 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1174 {
1175 struct be_adapter *adapter = netdev_priv(netdev);
1176 int status = 0;
1177
1178 if (!be_multi_rxq(adapter)) {
1179 dev_err(&adapter->pdev->dev,
1180 "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1181 return -EINVAL;
1182 }
1183
1184 switch (cmd->cmd) {
1185 case ETHTOOL_SRXFH:
1186 status = be_set_rss_hash_opts(adapter, cmd);
1187 break;
1188 default:
1189 return -EINVAL;
1190 }
1191
1192 return status;
1193 }
1194
1195 static void be_get_channels(struct net_device *netdev,
1196 struct ethtool_channels *ch)
1197 {
1198 struct be_adapter *adapter = netdev_priv(netdev);
1199 u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1200
1201 /* num_tx_qs is always same as the number of irqs used for TX */
1202 ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1203 ch->rx_count = num_rx_irqs - ch->combined_count;
1204 ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1205
1206 ch->max_combined = be_max_qp_irqs(adapter);
1207 /* The user must create atleast one combined channel */
1208 ch->max_rx = be_max_rx_irqs(adapter) - 1;
1209 ch->max_tx = be_max_tx_irqs(adapter) - 1;
1210 }
1211
1212 static int be_set_channels(struct net_device *netdev,
1213 struct ethtool_channels *ch)
1214 {
1215 struct be_adapter *adapter = netdev_priv(netdev);
1216 int status;
1217
1218 /* we support either only combined channels or a combination of
1219 * combined and either RX-only or TX-only channels.
1220 */
1221 if (ch->other_count || !ch->combined_count ||
1222 (ch->rx_count && ch->tx_count))
1223 return -EINVAL;
1224
1225 if (ch->combined_count > be_max_qp_irqs(adapter) ||
1226 (ch->rx_count &&
1227 (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1228 (ch->tx_count &&
1229 (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1230 return -EINVAL;
1231
1232 adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1233 adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1234
1235 status = be_update_queues(adapter);
1236 return be_cmd_status(status);
1237 }
1238
1239 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1240 {
1241 return RSS_INDIR_TABLE_LEN;
1242 }
1243
1244 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1245 {
1246 return RSS_HASH_KEY_LEN;
1247 }
1248
1249 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1250 u8 *hfunc)
1251 {
1252 struct be_adapter *adapter = netdev_priv(netdev);
1253 int i;
1254 struct rss_info *rss = &adapter->rss_info;
1255
1256 if (indir) {
1257 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1258 indir[i] = rss->rss_queue[i];
1259 }
1260
1261 if (hkey)
1262 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1263
1264 if (hfunc)
1265 *hfunc = ETH_RSS_HASH_TOP;
1266
1267 return 0;
1268 }
1269
1270 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1271 const u8 *hkey, const u8 hfunc)
1272 {
1273 int rc = 0, i, j;
1274 struct be_adapter *adapter = netdev_priv(netdev);
1275 u8 rsstable[RSS_INDIR_TABLE_LEN];
1276
1277 /* We do not allow change in unsupported parameters */
1278 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1279 return -EOPNOTSUPP;
1280
1281 if (indir) {
1282 struct be_rx_obj *rxo;
1283
1284 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1285 j = indir[i];
1286 rxo = &adapter->rx_obj[j];
1287 rsstable[i] = rxo->rss_id;
1288 adapter->rss_info.rss_queue[i] = j;
1289 }
1290 } else {
1291 memcpy(rsstable, adapter->rss_info.rsstable,
1292 RSS_INDIR_TABLE_LEN);
1293 }
1294
1295 if (!hkey)
1296 hkey = adapter->rss_info.rss_hkey;
1297
1298 rc = be_cmd_rss_config(adapter, rsstable,
1299 adapter->rss_info.rss_flags,
1300 RSS_INDIR_TABLE_LEN, hkey);
1301 if (rc) {
1302 adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1303 return -EIO;
1304 }
1305 memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1306 memcpy(adapter->rss_info.rsstable, rsstable,
1307 RSS_INDIR_TABLE_LEN);
1308 return 0;
1309 }
1310
1311 static int be_get_module_info(struct net_device *netdev,
1312 struct ethtool_modinfo *modinfo)
1313 {
1314 struct be_adapter *adapter = netdev_priv(netdev);
1315 u8 page_data[PAGE_DATA_LEN];
1316 int status;
1317
1318 if (!check_privilege(adapter, MAX_PRIVILEGES))
1319 return -EOPNOTSUPP;
1320
1321 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1322 page_data);
1323 if (!status) {
1324 if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1325 modinfo->type = ETH_MODULE_SFF_8079;
1326 modinfo->eeprom_len = PAGE_DATA_LEN;
1327 } else {
1328 modinfo->type = ETH_MODULE_SFF_8472;
1329 modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1330 }
1331 }
1332 return be_cmd_status(status);
1333 }
1334
1335 static int be_get_module_eeprom(struct net_device *netdev,
1336 struct ethtool_eeprom *eeprom, u8 *data)
1337 {
1338 struct be_adapter *adapter = netdev_priv(netdev);
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 data);
1346 if (status)
1347 goto err;
1348
1349 if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1350 status = be_cmd_read_port_transceiver_data(adapter,
1351 TR_PAGE_A2,
1352 data +
1353 PAGE_DATA_LEN);
1354 if (status)
1355 goto err;
1356 }
1357 if (eeprom->offset)
1358 memcpy(data, data + eeprom->offset, eeprom->len);
1359 err:
1360 return be_cmd_status(status);
1361 }
1362
1363 const struct ethtool_ops be_ethtool_ops = {
1364 .get_settings = be_get_settings,
1365 .get_drvinfo = be_get_drvinfo,
1366 .get_wol = be_get_wol,
1367 .set_wol = be_set_wol,
1368 .get_link = ethtool_op_get_link,
1369 .get_eeprom_len = be_get_eeprom_len,
1370 .get_eeprom = be_read_eeprom,
1371 .get_coalesce = be_get_coalesce,
1372 .set_coalesce = be_set_coalesce,
1373 .get_ringparam = be_get_ringparam,
1374 .get_pauseparam = be_get_pauseparam,
1375 .set_pauseparam = be_set_pauseparam,
1376 .get_strings = be_get_stat_strings,
1377 .set_phys_id = be_set_phys_id,
1378 .set_dump = be_set_dump,
1379 .get_msglevel = be_get_msg_level,
1380 .set_msglevel = be_set_msg_level,
1381 .get_sset_count = be_get_sset_count,
1382 .get_ethtool_stats = be_get_ethtool_stats,
1383 .flash_device = be_do_flash,
1384 .self_test = be_self_test,
1385 .get_rxnfc = be_get_rxnfc,
1386 .set_rxnfc = be_set_rxnfc,
1387 .get_rxfh_indir_size = be_get_rxfh_indir_size,
1388 .get_rxfh_key_size = be_get_rxfh_key_size,
1389 .get_rxfh = be_get_rxfh,
1390 .set_rxfh = be_set_rxfh,
1391 .get_dump_flag = be_get_dump_flag,
1392 .get_dump_data = be_get_dump_data,
1393 .get_channels = be_get_channels,
1394 .set_channels = be_set_channels,
1395 .get_module_info = be_get_module_info,
1396 .get_module_eeprom = be_get_module_eeprom
1397 };
Linux kernel - Deliverables
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