1 /* bnx2x_ethtool.c: Broadcom Everest network driver.
2 *
3 * Copyright (c) 2007-2011 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath and fastpath rework by Vladislav Zolotarov
14 * Statistics and Link management by Yitchak Gertner
15 *
16 */
17
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
20 #include <linux/ethtool.h>
21 #include <linux/netdevice.h>
22 #include <linux/types.h>
23 #include <linux/sched.h>
24 #include <linux/crc32.h>
25
26
27 #include "bnx2x.h"
28 #include "bnx2x_cmn.h"
29 #include "bnx2x_dump.h"
30 #include "bnx2x_init.h"
31 #include "bnx2x_sp.h"
32
33 /* Note: in the format strings below %s is replaced by the queue-name which is
34 * either its index or 'fcoe' for the fcoe queue. Make sure the format string
35 * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
36 */
37 #define MAX_QUEUE_NAME_LEN 4
38 static const struct {
39 long offset;
40 int size;
41 char string[ETH_GSTRING_LEN];
42 } bnx2x_q_stats_arr[] = {
43 /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
44 { Q_STATS_OFFSET32(total_unicast_packets_received_hi),
45 8, "[%s]: rx_ucast_packets" },
46 { Q_STATS_OFFSET32(total_multicast_packets_received_hi),
47 8, "[%s]: rx_mcast_packets" },
48 { Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
49 8, "[%s]: rx_bcast_packets" },
50 { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" },
51 { Q_STATS_OFFSET32(rx_err_discard_pkt),
52 4, "[%s]: rx_phy_ip_err_discards"},
53 { Q_STATS_OFFSET32(rx_skb_alloc_failed),
54 4, "[%s]: rx_skb_alloc_discard" },
55 { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
56
57 { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" },
58 /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
59 8, "[%s]: tx_ucast_packets" },
60 { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
61 8, "[%s]: tx_mcast_packets" },
62 { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
63 8, "[%s]: tx_bcast_packets" },
64 { Q_STATS_OFFSET32(total_tpa_aggregations_hi),
65 8, "[%s]: tpa_aggregations" },
66 { Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
67 8, "[%s]: tpa_aggregated_frames"},
68 { Q_STATS_OFFSET32(total_tpa_bytes_hi), 8, "[%s]: tpa_bytes"}
69 };
70
71 #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
72
73 static const struct {
74 long offset;
75 int size;
76 u32 flags;
77 #define STATS_FLAGS_PORT 1
78 #define STATS_FLAGS_FUNC 2
79 #define STATS_FLAGS_BOTH (STATS_FLAGS_FUNC | STATS_FLAGS_PORT)
80 char string[ETH_GSTRING_LEN];
81 } bnx2x_stats_arr[] = {
82 /* 1 */ { STATS_OFFSET32(total_bytes_received_hi),
83 8, STATS_FLAGS_BOTH, "rx_bytes" },
84 { STATS_OFFSET32(error_bytes_received_hi),
85 8, STATS_FLAGS_BOTH, "rx_error_bytes" },
86 { STATS_OFFSET32(total_unicast_packets_received_hi),
87 8, STATS_FLAGS_BOTH, "rx_ucast_packets" },
88 { STATS_OFFSET32(total_multicast_packets_received_hi),
89 8, STATS_FLAGS_BOTH, "rx_mcast_packets" },
90 { STATS_OFFSET32(total_broadcast_packets_received_hi),
91 8, STATS_FLAGS_BOTH, "rx_bcast_packets" },
92 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
93 8, STATS_FLAGS_PORT, "rx_crc_errors" },
94 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
95 8, STATS_FLAGS_PORT, "rx_align_errors" },
96 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
97 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
98 { STATS_OFFSET32(etherstatsoverrsizepkts_hi),
99 8, STATS_FLAGS_PORT, "rx_oversize_packets" },
100 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
101 8, STATS_FLAGS_PORT, "rx_fragments" },
102 { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
103 8, STATS_FLAGS_PORT, "rx_jabbers" },
104 { STATS_OFFSET32(no_buff_discard_hi),
105 8, STATS_FLAGS_BOTH, "rx_discards" },
106 { STATS_OFFSET32(mac_filter_discard),
107 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
108 { STATS_OFFSET32(mf_tag_discard),
109 4, STATS_FLAGS_PORT, "rx_mf_tag_discard" },
110 { STATS_OFFSET32(pfc_frames_received_hi),
111 8, STATS_FLAGS_PORT, "pfc_frames_received" },
112 { STATS_OFFSET32(pfc_frames_sent_hi),
113 8, STATS_FLAGS_PORT, "pfc_frames_sent" },
114 { STATS_OFFSET32(brb_drop_hi),
115 8, STATS_FLAGS_PORT, "rx_brb_discard" },
116 { STATS_OFFSET32(brb_truncate_hi),
117 8, STATS_FLAGS_PORT, "rx_brb_truncate" },
118 { STATS_OFFSET32(pause_frames_received_hi),
119 8, STATS_FLAGS_PORT, "rx_pause_frames" },
120 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
121 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
122 { STATS_OFFSET32(nig_timer_max),
123 4, STATS_FLAGS_PORT, "rx_constant_pause_events" },
124 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
125 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"},
126 { STATS_OFFSET32(rx_skb_alloc_failed),
127 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
128 { STATS_OFFSET32(hw_csum_err),
129 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },
130
131 { STATS_OFFSET32(total_bytes_transmitted_hi),
132 8, STATS_FLAGS_BOTH, "tx_bytes" },
133 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
134 8, STATS_FLAGS_PORT, "tx_error_bytes" },
135 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
136 8, STATS_FLAGS_BOTH, "tx_ucast_packets" },
137 { STATS_OFFSET32(total_multicast_packets_transmitted_hi),
138 8, STATS_FLAGS_BOTH, "tx_mcast_packets" },
139 { STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
140 8, STATS_FLAGS_BOTH, "tx_bcast_packets" },
141 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
142 8, STATS_FLAGS_PORT, "tx_mac_errors" },
143 { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
144 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
145 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
146 8, STATS_FLAGS_PORT, "tx_single_collisions" },
147 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
148 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
149 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
150 8, STATS_FLAGS_PORT, "tx_deferred" },
151 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
152 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
153 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
154 8, STATS_FLAGS_PORT, "tx_late_collisions" },
155 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
156 8, STATS_FLAGS_PORT, "tx_total_collisions" },
157 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
158 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
159 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
160 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
161 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
162 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
163 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
164 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
165 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
166 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
167 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
168 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
169 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
170 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
171 { STATS_OFFSET32(pause_frames_sent_hi),
172 8, STATS_FLAGS_PORT, "tx_pause_frames" },
173 { STATS_OFFSET32(total_tpa_aggregations_hi),
174 8, STATS_FLAGS_FUNC, "tpa_aggregations" },
175 { STATS_OFFSET32(total_tpa_aggregated_frames_hi),
176 8, STATS_FLAGS_FUNC, "tpa_aggregated_frames"},
177 { STATS_OFFSET32(total_tpa_bytes_hi),
178 8, STATS_FLAGS_FUNC, "tpa_bytes"}
179 };
180
181 #define BNX2X_NUM_STATS ARRAY_SIZE(bnx2x_stats_arr)
bnx2x_get_port_type(struct bnx2x * bp)182 static int bnx2x_get_port_type(struct bnx2x *bp)
183 {
184 int port_type;
185 u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
186 switch (bp->link_params.phy[phy_idx].media_type) {
187 case ETH_PHY_SFP_FIBER:
188 case ETH_PHY_XFP_FIBER:
189 case ETH_PHY_KR:
190 case ETH_PHY_CX4:
191 port_type = PORT_FIBRE;
192 break;
193 case ETH_PHY_DA_TWINAX:
194 port_type = PORT_DA;
195 break;
196 case ETH_PHY_BASE_T:
197 port_type = PORT_TP;
198 break;
199 case ETH_PHY_NOT_PRESENT:
200 port_type = PORT_NONE;
201 break;
202 case ETH_PHY_UNSPECIFIED:
203 default:
204 port_type = PORT_OTHER;
205 break;
206 }
207 return port_type;
208 }
209
bnx2x_get_settings(struct net_device * dev,struct ethtool_cmd * cmd)210 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
211 {
212 struct bnx2x *bp = netdev_priv(dev);
213 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
214
215 /* Dual Media boards present all available port types */
216 cmd->supported = bp->port.supported[cfg_idx] |
217 (bp->port.supported[cfg_idx ^ 1] &
218 (SUPPORTED_TP | SUPPORTED_FIBRE));
219 cmd->advertising = bp->port.advertising[cfg_idx];
220
221 if ((bp->state == BNX2X_STATE_OPEN) &&
222 !(bp->flags & MF_FUNC_DIS) &&
223 (bp->link_vars.link_up)) {
224 ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed);
225 cmd->duplex = bp->link_vars.duplex;
226 } else {
227 ethtool_cmd_speed_set(
228 cmd, bp->link_params.req_line_speed[cfg_idx]);
229 cmd->duplex = bp->link_params.req_duplex[cfg_idx];
230 }
231
232 if (IS_MF(bp))
233 ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp));
234
235 cmd->port = bnx2x_get_port_type(bp);
236
237 cmd->phy_address = bp->mdio.prtad;
238 cmd->transceiver = XCVR_INTERNAL;
239
240 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
241 cmd->autoneg = AUTONEG_ENABLE;
242 else
243 cmd->autoneg = AUTONEG_DISABLE;
244
245 cmd->maxtxpkt = 0;
246 cmd->maxrxpkt = 0;
247
248 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
249 " supported 0x%x advertising 0x%x speed %u\n"
250 " duplex %d port %d phy_address %d transceiver %d\n"
251 " autoneg %d maxtxpkt %d maxrxpkt %d\n",
252 cmd->cmd, cmd->supported, cmd->advertising,
253 ethtool_cmd_speed(cmd),
254 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
255 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
256
257 return 0;
258 }
259
bnx2x_set_settings(struct net_device * dev,struct ethtool_cmd * cmd)260 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
261 {
262 struct bnx2x *bp = netdev_priv(dev);
263 u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
264 u32 speed;
265
266 if (IS_MF_SD(bp))
267 return 0;
268
269 DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
270 " supported 0x%x advertising 0x%x speed %u\n"
271 " duplex %d port %d phy_address %d transceiver %d\n"
272 " autoneg %d maxtxpkt %d maxrxpkt %d\n",
273 cmd->cmd, cmd->supported, cmd->advertising,
274 ethtool_cmd_speed(cmd),
275 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
276 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
277
278 speed = ethtool_cmd_speed(cmd);
279
280 if (IS_MF_SI(bp)) {
281 u32 part;
282 u32 line_speed = bp->link_vars.line_speed;
283
284 /* use 10G if no link detected */
285 if (!line_speed)
286 line_speed = 10000;
287
288 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
289 BNX2X_DEV_INFO("To set speed BC %X or higher "
290 "is required, please upgrade BC\n",
291 REQ_BC_VER_4_SET_MF_BW);
292 return -EINVAL;
293 }
294
295 part = (speed * 100) / line_speed;
296
297 if (line_speed < speed || !part) {
298 BNX2X_DEV_INFO("Speed setting should be in a range "
299 "from 1%% to 100%% "
300 "of actual line speed\n");
301 return -EINVAL;
302 }
303
304 if (bp->state != BNX2X_STATE_OPEN)
305 /* store value for following "load" */
306 bp->pending_max = part;
307 else
308 bnx2x_update_max_mf_config(bp, part);
309
310 return 0;
311 }
312
313 cfg_idx = bnx2x_get_link_cfg_idx(bp);
314 old_multi_phy_config = bp->link_params.multi_phy_config;
315 switch (cmd->port) {
316 case PORT_TP:
317 if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
318 break; /* no port change */
319
320 if (!(bp->port.supported[0] & SUPPORTED_TP ||
321 bp->port.supported[1] & SUPPORTED_TP)) {
322 DP(NETIF_MSG_LINK, "Unsupported port type\n");
323 return -EINVAL;
324 }
325 bp->link_params.multi_phy_config &=
326 ~PORT_HW_CFG_PHY_SELECTION_MASK;
327 if (bp->link_params.multi_phy_config &
328 PORT_HW_CFG_PHY_SWAPPED_ENABLED)
329 bp->link_params.multi_phy_config |=
330 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
331 else
332 bp->link_params.multi_phy_config |=
333 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
334 break;
335 case PORT_FIBRE:
336 case PORT_DA:
337 if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
338 break; /* no port change */
339
340 if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
341 bp->port.supported[1] & SUPPORTED_FIBRE)) {
342 DP(NETIF_MSG_LINK, "Unsupported port type\n");
343 return -EINVAL;
344 }
345 bp->link_params.multi_phy_config &=
346 ~PORT_HW_CFG_PHY_SELECTION_MASK;
347 if (bp->link_params.multi_phy_config &
348 PORT_HW_CFG_PHY_SWAPPED_ENABLED)
349 bp->link_params.multi_phy_config |=
350 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
351 else
352 bp->link_params.multi_phy_config |=
353 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
354 break;
355 default:
356 DP(NETIF_MSG_LINK, "Unsupported port type\n");
357 return -EINVAL;
358 }
359 /* Save new config in case command complete successully */
360 new_multi_phy_config = bp->link_params.multi_phy_config;
361 /* Get the new cfg_idx */
362 cfg_idx = bnx2x_get_link_cfg_idx(bp);
363 /* Restore old config in case command failed */
364 bp->link_params.multi_phy_config = old_multi_phy_config;
365 DP(NETIF_MSG_LINK, "cfg_idx = %x\n", cfg_idx);
366
367 if (cmd->autoneg == AUTONEG_ENABLE) {
368 u32 an_supported_speed = bp->port.supported[cfg_idx];
369 if (bp->link_params.phy[EXT_PHY1].type ==
370 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
371 an_supported_speed |= (SUPPORTED_100baseT_Half |
372 SUPPORTED_100baseT_Full);
373 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
374 DP(NETIF_MSG_LINK, "Autoneg not supported\n");
375 return -EINVAL;
376 }
377
378 /* advertise the requested speed and duplex if supported */
379 if (cmd->advertising & ~an_supported_speed) {
380 DP(NETIF_MSG_LINK, "Advertisement parameters "
381 "are not supported\n");
382 return -EINVAL;
383 }
384
385 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
386 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
387 bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
388 cmd->advertising);
389 if (cmd->advertising) {
390
391 bp->link_params.speed_cap_mask[cfg_idx] = 0;
392 if (cmd->advertising & ADVERTISED_10baseT_Half) {
393 bp->link_params.speed_cap_mask[cfg_idx] |=
394 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
395 }
396 if (cmd->advertising & ADVERTISED_10baseT_Full)
397 bp->link_params.speed_cap_mask[cfg_idx] |=
398 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
399
400 if (cmd->advertising & ADVERTISED_100baseT_Full)
401 bp->link_params.speed_cap_mask[cfg_idx] |=
402 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
403
404 if (cmd->advertising & ADVERTISED_100baseT_Half) {
405 bp->link_params.speed_cap_mask[cfg_idx] |=
406 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
407 }
408 if (cmd->advertising & ADVERTISED_1000baseT_Half) {
409 bp->link_params.speed_cap_mask[cfg_idx] |=
410 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
411 }
412 if (cmd->advertising & (ADVERTISED_1000baseT_Full |
413 ADVERTISED_1000baseKX_Full))
414 bp->link_params.speed_cap_mask[cfg_idx] |=
415 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
416
417 if (cmd->advertising & (ADVERTISED_10000baseT_Full |
418 ADVERTISED_10000baseKX4_Full |
419 ADVERTISED_10000baseKR_Full))
420 bp->link_params.speed_cap_mask[cfg_idx] |=
421 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
422 }
423 } else { /* forced speed */
424 /* advertise the requested speed and duplex if supported */
425 switch (speed) {
426 case SPEED_10:
427 if (cmd->duplex == DUPLEX_FULL) {
428 if (!(bp->port.supported[cfg_idx] &
429 SUPPORTED_10baseT_Full)) {
430 DP(NETIF_MSG_LINK,
431 "10M full not supported\n");
432 return -EINVAL;
433 }
434
435 advertising = (ADVERTISED_10baseT_Full |
436 ADVERTISED_TP);
437 } else {
438 if (!(bp->port.supported[cfg_idx] &
439 SUPPORTED_10baseT_Half)) {
440 DP(NETIF_MSG_LINK,
441 "10M half not supported\n");
442 return -EINVAL;
443 }
444
445 advertising = (ADVERTISED_10baseT_Half |
446 ADVERTISED_TP);
447 }
448 break;
449
450 case SPEED_100:
451 if (cmd->duplex == DUPLEX_FULL) {
452 if (!(bp->port.supported[cfg_idx] &
453 SUPPORTED_100baseT_Full)) {
454 DP(NETIF_MSG_LINK,
455 "100M full not supported\n");
456 return -EINVAL;
457 }
458
459 advertising = (ADVERTISED_100baseT_Full |
460 ADVERTISED_TP);
461 } else {
462 if (!(bp->port.supported[cfg_idx] &
463 SUPPORTED_100baseT_Half)) {
464 DP(NETIF_MSG_LINK,
465 "100M half not supported\n");
466 return -EINVAL;
467 }
468
469 advertising = (ADVERTISED_100baseT_Half |
470 ADVERTISED_TP);
471 }
472 break;
473
474 case SPEED_1000:
475 if (cmd->duplex != DUPLEX_FULL) {
476 DP(NETIF_MSG_LINK, "1G half not supported\n");
477 return -EINVAL;
478 }
479
480 if (!(bp->port.supported[cfg_idx] &
481 SUPPORTED_1000baseT_Full)) {
482 DP(NETIF_MSG_LINK, "1G full not supported\n");
483 return -EINVAL;
484 }
485
486 advertising = (ADVERTISED_1000baseT_Full |
487 ADVERTISED_TP);
488 break;
489
490 case SPEED_2500:
491 if (cmd->duplex != DUPLEX_FULL) {
492 DP(NETIF_MSG_LINK,
493 "2.5G half not supported\n");
494 return -EINVAL;
495 }
496
497 if (!(bp->port.supported[cfg_idx]
498 & SUPPORTED_2500baseX_Full)) {
499 DP(NETIF_MSG_LINK,
500 "2.5G full not supported\n");
501 return -EINVAL;
502 }
503
504 advertising = (ADVERTISED_2500baseX_Full |
505 ADVERTISED_TP);
506 break;
507
508 case SPEED_10000:
509 if (cmd->duplex != DUPLEX_FULL) {
510 DP(NETIF_MSG_LINK, "10G half not supported\n");
511 return -EINVAL;
512 }
513
514 if (!(bp->port.supported[cfg_idx]
515 & SUPPORTED_10000baseT_Full)) {
516 DP(NETIF_MSG_LINK, "10G full not supported\n");
517 return -EINVAL;
518 }
519
520 advertising = (ADVERTISED_10000baseT_Full |
521 ADVERTISED_FIBRE);
522 break;
523
524 default:
525 DP(NETIF_MSG_LINK, "Unsupported speed %u\n", speed);
526 return -EINVAL;
527 }
528
529 bp->link_params.req_line_speed[cfg_idx] = speed;
530 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
531 bp->port.advertising[cfg_idx] = advertising;
532 }
533
534 DP(NETIF_MSG_LINK, "req_line_speed %d\n"
535 " req_duplex %d advertising 0x%x\n",
536 bp->link_params.req_line_speed[cfg_idx],
537 bp->link_params.req_duplex[cfg_idx],
538 bp->port.advertising[cfg_idx]);
539
540 /* Set new config */
541 bp->link_params.multi_phy_config = new_multi_phy_config;
542 if (netif_running(dev)) {
543 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
544 bnx2x_link_set(bp);
545 }
546
547 return 0;
548 }
549
550 #define IS_E1_ONLINE(info) (((info) & RI_E1_ONLINE) == RI_E1_ONLINE)
551 #define IS_E1H_ONLINE(info) (((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE)
552 #define IS_E2_ONLINE(info) (((info) & RI_E2_ONLINE) == RI_E2_ONLINE)
553 #define IS_E3_ONLINE(info) (((info) & RI_E3_ONLINE) == RI_E3_ONLINE)
554 #define IS_E3B0_ONLINE(info) (((info) & RI_E3B0_ONLINE) == RI_E3B0_ONLINE)
555
bnx2x_is_reg_online(struct bnx2x * bp,const struct reg_addr * reg_info)556 static inline bool bnx2x_is_reg_online(struct bnx2x *bp,
557 const struct reg_addr *reg_info)
558 {
559 if (CHIP_IS_E1(bp))
560 return IS_E1_ONLINE(reg_info->info);
561 else if (CHIP_IS_E1H(bp))
562 return IS_E1H_ONLINE(reg_info->info);
563 else if (CHIP_IS_E2(bp))
564 return IS_E2_ONLINE(reg_info->info);
565 else if (CHIP_IS_E3A0(bp))
566 return IS_E3_ONLINE(reg_info->info);
567 else if (CHIP_IS_E3B0(bp))
568 return IS_E3B0_ONLINE(reg_info->info);
569 else
570 return false;
571 }
572
573 /******* Paged registers info selectors ********/
__bnx2x_get_page_addr_ar(struct bnx2x * bp)574 static inline const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
575 {
576 if (CHIP_IS_E2(bp))
577 return page_vals_e2;
578 else if (CHIP_IS_E3(bp))
579 return page_vals_e3;
580 else
581 return NULL;
582 }
583
__bnx2x_get_page_reg_num(struct bnx2x * bp)584 static inline u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
585 {
586 if (CHIP_IS_E2(bp))
587 return PAGE_MODE_VALUES_E2;
588 else if (CHIP_IS_E3(bp))
589 return PAGE_MODE_VALUES_E3;
590 else
591 return 0;
592 }
593
__bnx2x_get_page_write_ar(struct bnx2x * bp)594 static inline const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
595 {
596 if (CHIP_IS_E2(bp))
597 return page_write_regs_e2;
598 else if (CHIP_IS_E3(bp))
599 return page_write_regs_e3;
600 else
601 return NULL;
602 }
603
__bnx2x_get_page_write_num(struct bnx2x * bp)604 static inline u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
605 {
606 if (CHIP_IS_E2(bp))
607 return PAGE_WRITE_REGS_E2;
608 else if (CHIP_IS_E3(bp))
609 return PAGE_WRITE_REGS_E3;
610 else
611 return 0;
612 }
613
__bnx2x_get_page_read_ar(struct bnx2x * bp)614 static inline const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
615 {
616 if (CHIP_IS_E2(bp))
617 return page_read_regs_e2;
618 else if (CHIP_IS_E3(bp))
619 return page_read_regs_e3;
620 else
621 return NULL;
622 }
623
__bnx2x_get_page_read_num(struct bnx2x * bp)624 static inline u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
625 {
626 if (CHIP_IS_E2(bp))
627 return PAGE_READ_REGS_E2;
628 else if (CHIP_IS_E3(bp))
629 return PAGE_READ_REGS_E3;
630 else
631 return 0;
632 }
633
__bnx2x_get_regs_len(struct bnx2x * bp)634 static inline int __bnx2x_get_regs_len(struct bnx2x *bp)
635 {
636 int num_pages = __bnx2x_get_page_reg_num(bp);
637 int page_write_num = __bnx2x_get_page_write_num(bp);
638 const struct reg_addr *page_read_addr = __bnx2x_get_page_read_ar(bp);
639 int page_read_num = __bnx2x_get_page_read_num(bp);
640 int regdump_len = 0;
641 int i, j, k;
642
643 for (i = 0; i < REGS_COUNT; i++)
644 if (bnx2x_is_reg_online(bp, ®_addrs[i]))
645 regdump_len += reg_addrs[i].size;
646
647 for (i = 0; i < num_pages; i++)
648 for (j = 0; j < page_write_num; j++)
649 for (k = 0; k < page_read_num; k++)
650 if (bnx2x_is_reg_online(bp, &page_read_addr[k]))
651 regdump_len += page_read_addr[k].size;
652
653 return regdump_len;
654 }
655
bnx2x_get_regs_len(struct net_device * dev)656 static int bnx2x_get_regs_len(struct net_device *dev)
657 {
658 struct bnx2x *bp = netdev_priv(dev);
659 int regdump_len = 0;
660
661 regdump_len = __bnx2x_get_regs_len(bp);
662 regdump_len *= 4;
663 regdump_len += sizeof(struct dump_hdr);
664
665 return regdump_len;
666 }
667
668 /**
669 * bnx2x_read_pages_regs - read "paged" registers
670 *
671 * @bp device handle
672 * @p output buffer
673 *
674 * Reads "paged" memories: memories that may only be read by first writing to a
675 * specific address ("write address") and then reading from a specific address
676 * ("read address"). There may be more than one write address per "page" and
677 * more than one read address per write address.
678 */
bnx2x_read_pages_regs(struct bnx2x * bp,u32 * p)679 static inline void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p)
680 {
681 u32 i, j, k, n;
682 /* addresses of the paged registers */
683 const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
684 /* number of paged registers */
685 int num_pages = __bnx2x_get_page_reg_num(bp);
686 /* write addresses */
687 const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
688 /* number of write addresses */
689 int write_num = __bnx2x_get_page_write_num(bp);
690 /* read addresses info */
691 const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
692 /* number of read addresses */
693 int read_num = __bnx2x_get_page_read_num(bp);
694
695 for (i = 0; i < num_pages; i++) {
696 for (j = 0; j < write_num; j++) {
697 REG_WR(bp, write_addr[j], page_addr[i]);
698 for (k = 0; k < read_num; k++)
699 if (bnx2x_is_reg_online(bp, &read_addr[k]))
700 for (n = 0; n <
701 read_addr[k].size; n++)
702 *p++ = REG_RD(bp,
703 read_addr[k].addr + n*4);
704 }
705 }
706 }
707
__bnx2x_get_regs(struct bnx2x * bp,u32 * p)708 static inline void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
709 {
710 u32 i, j;
711
712 /* Read the regular registers */
713 for (i = 0; i < REGS_COUNT; i++)
714 if (bnx2x_is_reg_online(bp, ®_addrs[i]))
715 for (j = 0; j < reg_addrs[i].size; j++)
716 *p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
717
718 /* Read "paged" registes */
719 bnx2x_read_pages_regs(bp, p);
720 }
721
bnx2x_get_regs(struct net_device * dev,struct ethtool_regs * regs,void * _p)722 static void bnx2x_get_regs(struct net_device *dev,
723 struct ethtool_regs *regs, void *_p)
724 {
725 u32 *p = _p;
726 struct bnx2x *bp = netdev_priv(dev);
727 struct dump_hdr dump_hdr = {0};
728
729 regs->version = 0;
730 memset(p, 0, regs->len);
731
732 if (!netif_running(bp->dev))
733 return;
734
735 /* Disable parity attentions as long as following dump may
736 * cause false alarms by reading never written registers. We
737 * will re-enable parity attentions right after the dump.
738 */
739 bnx2x_disable_blocks_parity(bp);
740
741 dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1;
742 dump_hdr.dump_sign = dump_sign_all;
743 dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR);
744 dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR);
745 dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR);
746 dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR);
747
748 if (CHIP_IS_E1(bp))
749 dump_hdr.info = RI_E1_ONLINE;
750 else if (CHIP_IS_E1H(bp))
751 dump_hdr.info = RI_E1H_ONLINE;
752 else if (!CHIP_IS_E1x(bp))
753 dump_hdr.info = RI_E2_ONLINE |
754 (BP_PATH(bp) ? RI_PATH1_DUMP : RI_PATH0_DUMP);
755
756 memcpy(p, &dump_hdr, sizeof(struct dump_hdr));
757 p += dump_hdr.hdr_size + 1;
758
759 /* Actually read the registers */
760 __bnx2x_get_regs(bp, p);
761
762 /* Re-enable parity attentions */
763 bnx2x_clear_blocks_parity(bp);
764 bnx2x_enable_blocks_parity(bp);
765 }
766
bnx2x_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)767 static void bnx2x_get_drvinfo(struct net_device *dev,
768 struct ethtool_drvinfo *info)
769 {
770 struct bnx2x *bp = netdev_priv(dev);
771 u8 phy_fw_ver[PHY_FW_VER_LEN];
772
773 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
774 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
775
776 phy_fw_ver[0] = '\0';
777 if (bp->port.pmf) {
778 bnx2x_acquire_phy_lock(bp);
779 bnx2x_get_ext_phy_fw_version(&bp->link_params,
780 (bp->state != BNX2X_STATE_CLOSED),
781 phy_fw_ver, PHY_FW_VER_LEN);
782 bnx2x_release_phy_lock(bp);
783 }
784
785 strlcpy(info->fw_version, bp->fw_ver, sizeof(info->fw_version));
786 snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
787 "bc %d.%d.%d%s%s",
788 (bp->common.bc_ver & 0xff0000) >> 16,
789 (bp->common.bc_ver & 0xff00) >> 8,
790 (bp->common.bc_ver & 0xff),
791 ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver);
792 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
793 info->n_stats = BNX2X_NUM_STATS;
794 info->testinfo_len = BNX2X_NUM_TESTS;
795 info->eedump_len = bp->common.flash_size;
796 info->regdump_len = bnx2x_get_regs_len(dev);
797 }
798
bnx2x_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)799 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
800 {
801 struct bnx2x *bp = netdev_priv(dev);
802
803 if (bp->flags & NO_WOL_FLAG) {
804 wol->supported = 0;
805 wol->wolopts = 0;
806 } else {
807 wol->supported = WAKE_MAGIC;
808 if (bp->wol)
809 wol->wolopts = WAKE_MAGIC;
810 else
811 wol->wolopts = 0;
812 }
813 memset(&wol->sopass, 0, sizeof(wol->sopass));
814 }
815
bnx2x_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)816 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
817 {
818 struct bnx2x *bp = netdev_priv(dev);
819
820 if (wol->wolopts & ~WAKE_MAGIC)
821 return -EINVAL;
822
823 if (wol->wolopts & WAKE_MAGIC) {
824 if (bp->flags & NO_WOL_FLAG)
825 return -EINVAL;
826
827 bp->wol = 1;
828 } else
829 bp->wol = 0;
830
831 return 0;
832 }
833
bnx2x_get_msglevel(struct net_device * dev)834 static u32 bnx2x_get_msglevel(struct net_device *dev)
835 {
836 struct bnx2x *bp = netdev_priv(dev);
837
838 return bp->msg_enable;
839 }
840
bnx2x_set_msglevel(struct net_device * dev,u32 level)841 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
842 {
843 struct bnx2x *bp = netdev_priv(dev);
844
845 if (capable(CAP_NET_ADMIN)) {
846 /* dump MCP trace */
847 if (level & BNX2X_MSG_MCP)
848 bnx2x_fw_dump_lvl(bp, KERN_INFO);
849 bp->msg_enable = level;
850 }
851 }
852
bnx2x_nway_reset(struct net_device * dev)853 static int bnx2x_nway_reset(struct net_device *dev)
854 {
855 struct bnx2x *bp = netdev_priv(dev);
856
857 if (!bp->port.pmf)
858 return 0;
859
860 if (netif_running(dev)) {
861 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
862 bnx2x_link_set(bp);
863 }
864
865 return 0;
866 }
867
bnx2x_get_link(struct net_device * dev)868 static u32 bnx2x_get_link(struct net_device *dev)
869 {
870 struct bnx2x *bp = netdev_priv(dev);
871
872 if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
873 return 0;
874
875 return bp->link_vars.link_up;
876 }
877
bnx2x_get_eeprom_len(struct net_device * dev)878 static int bnx2x_get_eeprom_len(struct net_device *dev)
879 {
880 struct bnx2x *bp = netdev_priv(dev);
881
882 return bp->common.flash_size;
883 }
884
bnx2x_acquire_nvram_lock(struct bnx2x * bp)885 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
886 {
887 int port = BP_PORT(bp);
888 int count, i;
889 u32 val = 0;
890
891 /* adjust timeout for emulation/FPGA */
892 count = BNX2X_NVRAM_TIMEOUT_COUNT;
893 if (CHIP_REV_IS_SLOW(bp))
894 count *= 100;
895
896 /* request access to nvram interface */
897 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
898 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
899
900 for (i = 0; i < count*10; i++) {
901 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
902 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
903 break;
904
905 udelay(5);
906 }
907
908 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
909 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
910 return -EBUSY;
911 }
912
913 return 0;
914 }
915
bnx2x_release_nvram_lock(struct bnx2x * bp)916 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
917 {
918 int port = BP_PORT(bp);
919 int count, i;
920 u32 val = 0;
921
922 /* adjust timeout for emulation/FPGA */
923 count = BNX2X_NVRAM_TIMEOUT_COUNT;
924 if (CHIP_REV_IS_SLOW(bp))
925 count *= 100;
926
927 /* relinquish nvram interface */
928 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
929 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
930
931 for (i = 0; i < count*10; i++) {
932 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
933 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
934 break;
935
936 udelay(5);
937 }
938
939 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
940 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
941 return -EBUSY;
942 }
943
944 return 0;
945 }
946
bnx2x_enable_nvram_access(struct bnx2x * bp)947 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
948 {
949 u32 val;
950
951 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
952
953 /* enable both bits, even on read */
954 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
955 (val | MCPR_NVM_ACCESS_ENABLE_EN |
956 MCPR_NVM_ACCESS_ENABLE_WR_EN));
957 }
958
bnx2x_disable_nvram_access(struct bnx2x * bp)959 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
960 {
961 u32 val;
962
963 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
964
965 /* disable both bits, even after read */
966 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
967 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
968 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
969 }
970
bnx2x_nvram_read_dword(struct bnx2x * bp,u32 offset,__be32 * ret_val,u32 cmd_flags)971 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
972 u32 cmd_flags)
973 {
974 int count, i, rc;
975 u32 val;
976
977 /* build the command word */
978 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
979
980 /* need to clear DONE bit separately */
981 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
982
983 /* address of the NVRAM to read from */
984 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
985 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
986
987 /* issue a read command */
988 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
989
990 /* adjust timeout for emulation/FPGA */
991 count = BNX2X_NVRAM_TIMEOUT_COUNT;
992 if (CHIP_REV_IS_SLOW(bp))
993 count *= 100;
994
995 /* wait for completion */
996 *ret_val = 0;
997 rc = -EBUSY;
998 for (i = 0; i < count; i++) {
999 udelay(5);
1000 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1001
1002 if (val & MCPR_NVM_COMMAND_DONE) {
1003 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
1004 /* we read nvram data in cpu order
1005 * but ethtool sees it as an array of bytes
1006 * converting to big-endian will do the work */
1007 *ret_val = cpu_to_be32(val);
1008 rc = 0;
1009 break;
1010 }
1011 }
1012
1013 return rc;
1014 }
1015
bnx2x_nvram_read(struct bnx2x * bp,u32 offset,u8 * ret_buf,int buf_size)1016 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1017 int buf_size)
1018 {
1019 int rc;
1020 u32 cmd_flags;
1021 __be32 val;
1022
1023 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1024 DP(BNX2X_MSG_NVM,
1025 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
1026 offset, buf_size);
1027 return -EINVAL;
1028 }
1029
1030 if (offset + buf_size > bp->common.flash_size) {
1031 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
1032 " buf_size (0x%x) > flash_size (0x%x)\n",
1033 offset, buf_size, bp->common.flash_size);
1034 return -EINVAL;
1035 }
1036
1037 /* request access to nvram interface */
1038 rc = bnx2x_acquire_nvram_lock(bp);
1039 if (rc)
1040 return rc;
1041
1042 /* enable access to nvram interface */
1043 bnx2x_enable_nvram_access(bp);
1044
1045 /* read the first word(s) */
1046 cmd_flags = MCPR_NVM_COMMAND_FIRST;
1047 while ((buf_size > sizeof(u32)) && (rc == 0)) {
1048 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1049 memcpy(ret_buf, &val, 4);
1050
1051 /* advance to the next dword */
1052 offset += sizeof(u32);
1053 ret_buf += sizeof(u32);
1054 buf_size -= sizeof(u32);
1055 cmd_flags = 0;
1056 }
1057
1058 if (rc == 0) {
1059 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1060 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1061 memcpy(ret_buf, &val, 4);
1062 }
1063
1064 /* disable access to nvram interface */
1065 bnx2x_disable_nvram_access(bp);
1066 bnx2x_release_nvram_lock(bp);
1067
1068 return rc;
1069 }
1070
bnx2x_get_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * eebuf)1071 static int bnx2x_get_eeprom(struct net_device *dev,
1072 struct ethtool_eeprom *eeprom, u8 *eebuf)
1073 {
1074 struct bnx2x *bp = netdev_priv(dev);
1075 int rc;
1076
1077 if (!netif_running(dev))
1078 return -EAGAIN;
1079
1080 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1081 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
1082 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1083 eeprom->len, eeprom->len);
1084
1085 /* parameters already validated in ethtool_get_eeprom */
1086
1087 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
1088
1089 return rc;
1090 }
1091
bnx2x_nvram_write_dword(struct bnx2x * bp,u32 offset,u32 val,u32 cmd_flags)1092 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
1093 u32 cmd_flags)
1094 {
1095 int count, i, rc;
1096
1097 /* build the command word */
1098 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
1099
1100 /* need to clear DONE bit separately */
1101 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1102
1103 /* write the data */
1104 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
1105
1106 /* address of the NVRAM to write to */
1107 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1108 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1109
1110 /* issue the write command */
1111 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1112
1113 /* adjust timeout for emulation/FPGA */
1114 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1115 if (CHIP_REV_IS_SLOW(bp))
1116 count *= 100;
1117
1118 /* wait for completion */
1119 rc = -EBUSY;
1120 for (i = 0; i < count; i++) {
1121 udelay(5);
1122 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1123 if (val & MCPR_NVM_COMMAND_DONE) {
1124 rc = 0;
1125 break;
1126 }
1127 }
1128
1129 return rc;
1130 }
1131
1132 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
1133
bnx2x_nvram_write1(struct bnx2x * bp,u32 offset,u8 * data_buf,int buf_size)1134 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
1135 int buf_size)
1136 {
1137 int rc;
1138 u32 cmd_flags;
1139 u32 align_offset;
1140 __be32 val;
1141
1142 if (offset + buf_size > bp->common.flash_size) {
1143 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
1144 " buf_size (0x%x) > flash_size (0x%x)\n",
1145 offset, buf_size, bp->common.flash_size);
1146 return -EINVAL;
1147 }
1148
1149 /* request access to nvram interface */
1150 rc = bnx2x_acquire_nvram_lock(bp);
1151 if (rc)
1152 return rc;
1153
1154 /* enable access to nvram interface */
1155 bnx2x_enable_nvram_access(bp);
1156
1157 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1158 align_offset = (offset & ~0x03);
1159 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
1160
1161 if (rc == 0) {
1162 val &= ~(0xff << BYTE_OFFSET(offset));
1163 val |= (*data_buf << BYTE_OFFSET(offset));
1164
1165 /* nvram data is returned as an array of bytes
1166 * convert it back to cpu order */
1167 val = be32_to_cpu(val);
1168
1169 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1170 cmd_flags);
1171 }
1172
1173 /* disable access to nvram interface */
1174 bnx2x_disable_nvram_access(bp);
1175 bnx2x_release_nvram_lock(bp);
1176
1177 return rc;
1178 }
1179
bnx2x_nvram_write(struct bnx2x * bp,u32 offset,u8 * data_buf,int buf_size)1180 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1181 int buf_size)
1182 {
1183 int rc;
1184 u32 cmd_flags;
1185 u32 val;
1186 u32 written_so_far;
1187
1188 if (buf_size == 1) /* ethtool */
1189 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1190
1191 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1192 DP(BNX2X_MSG_NVM,
1193 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
1194 offset, buf_size);
1195 return -EINVAL;
1196 }
1197
1198 if (offset + buf_size > bp->common.flash_size) {
1199 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
1200 " buf_size (0x%x) > flash_size (0x%x)\n",
1201 offset, buf_size, bp->common.flash_size);
1202 return -EINVAL;
1203 }
1204
1205 /* request access to nvram interface */
1206 rc = bnx2x_acquire_nvram_lock(bp);
1207 if (rc)
1208 return rc;
1209
1210 /* enable access to nvram interface */
1211 bnx2x_enable_nvram_access(bp);
1212
1213 written_so_far = 0;
1214 cmd_flags = MCPR_NVM_COMMAND_FIRST;
1215 while ((written_so_far < buf_size) && (rc == 0)) {
1216 if (written_so_far == (buf_size - sizeof(u32)))
1217 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1218 else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1219 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1220 else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1221 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1222
1223 memcpy(&val, data_buf, 4);
1224
1225 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1226
1227 /* advance to the next dword */
1228 offset += sizeof(u32);
1229 data_buf += sizeof(u32);
1230 written_so_far += sizeof(u32);
1231 cmd_flags = 0;
1232 }
1233
1234 /* disable access to nvram interface */
1235 bnx2x_disable_nvram_access(bp);
1236 bnx2x_release_nvram_lock(bp);
1237
1238 return rc;
1239 }
1240
bnx2x_set_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * eebuf)1241 static int bnx2x_set_eeprom(struct net_device *dev,
1242 struct ethtool_eeprom *eeprom, u8 *eebuf)
1243 {
1244 struct bnx2x *bp = netdev_priv(dev);
1245 int port = BP_PORT(bp);
1246 int rc = 0;
1247 u32 ext_phy_config;
1248 if (!netif_running(dev))
1249 return -EAGAIN;
1250
1251 DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1252 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
1253 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1254 eeprom->len, eeprom->len);
1255
1256 /* parameters already validated in ethtool_set_eeprom */
1257
1258 /* PHY eeprom can be accessed only by the PMF */
1259 if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1260 !bp->port.pmf)
1261 return -EINVAL;
1262
1263 ext_phy_config =
1264 SHMEM_RD(bp,
1265 dev_info.port_hw_config[port].external_phy_config);
1266
1267 if (eeprom->magic == 0x50485950) {
1268 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1269 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1270
1271 bnx2x_acquire_phy_lock(bp);
1272 rc |= bnx2x_link_reset(&bp->link_params,
1273 &bp->link_vars, 0);
1274 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1275 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1276 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1277 MISC_REGISTERS_GPIO_HIGH, port);
1278 bnx2x_release_phy_lock(bp);
1279 bnx2x_link_report(bp);
1280
1281 } else if (eeprom->magic == 0x50485952) {
1282 /* 'PHYR' (0x50485952): re-init link after FW upgrade */
1283 if (bp->state == BNX2X_STATE_OPEN) {
1284 bnx2x_acquire_phy_lock(bp);
1285 rc |= bnx2x_link_reset(&bp->link_params,
1286 &bp->link_vars, 1);
1287
1288 rc |= bnx2x_phy_init(&bp->link_params,
1289 &bp->link_vars);
1290 bnx2x_release_phy_lock(bp);
1291 bnx2x_calc_fc_adv(bp);
1292 }
1293 } else if (eeprom->magic == 0x53985943) {
1294 /* 'PHYC' (0x53985943): PHY FW upgrade completed */
1295 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1296 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1297
1298 /* DSP Remove Download Mode */
1299 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1300 MISC_REGISTERS_GPIO_LOW, port);
1301
1302 bnx2x_acquire_phy_lock(bp);
1303
1304 bnx2x_sfx7101_sp_sw_reset(bp,
1305 &bp->link_params.phy[EXT_PHY1]);
1306
1307 /* wait 0.5 sec to allow it to run */
1308 msleep(500);
1309 bnx2x_ext_phy_hw_reset(bp, port);
1310 msleep(500);
1311 bnx2x_release_phy_lock(bp);
1312 }
1313 } else
1314 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1315
1316 return rc;
1317 }
1318
bnx2x_get_coalesce(struct net_device * dev,struct ethtool_coalesce * coal)1319 static int bnx2x_get_coalesce(struct net_device *dev,
1320 struct ethtool_coalesce *coal)
1321 {
1322 struct bnx2x *bp = netdev_priv(dev);
1323
1324 memset(coal, 0, sizeof(struct ethtool_coalesce));
1325
1326 coal->rx_coalesce_usecs = bp->rx_ticks;
1327 coal->tx_coalesce_usecs = bp->tx_ticks;
1328
1329 return 0;
1330 }
1331
bnx2x_set_coalesce(struct net_device * dev,struct ethtool_coalesce * coal)1332 static int bnx2x_set_coalesce(struct net_device *dev,
1333 struct ethtool_coalesce *coal)
1334 {
1335 struct bnx2x *bp = netdev_priv(dev);
1336
1337 bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1338 if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1339 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1340
1341 bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1342 if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1343 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1344
1345 if (netif_running(dev))
1346 bnx2x_update_coalesce(bp);
1347
1348 return 0;
1349 }
1350
bnx2x_get_ringparam(struct net_device * dev,struct ethtool_ringparam * ering)1351 static void bnx2x_get_ringparam(struct net_device *dev,
1352 struct ethtool_ringparam *ering)
1353 {
1354 struct bnx2x *bp = netdev_priv(dev);
1355
1356 ering->rx_max_pending = MAX_RX_AVAIL;
1357
1358 if (bp->rx_ring_size)
1359 ering->rx_pending = bp->rx_ring_size;
1360 else
1361 ering->rx_pending = MAX_RX_AVAIL;
1362
1363 ering->tx_max_pending = MAX_TX_AVAIL;
1364 ering->tx_pending = bp->tx_ring_size;
1365 }
1366
bnx2x_set_ringparam(struct net_device * dev,struct ethtool_ringparam * ering)1367 static int bnx2x_set_ringparam(struct net_device *dev,
1368 struct ethtool_ringparam *ering)
1369 {
1370 struct bnx2x *bp = netdev_priv(dev);
1371
1372 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1373 pr_err("Handling parity error recovery. Try again later\n");
1374 return -EAGAIN;
1375 }
1376
1377 if ((ering->rx_pending > MAX_RX_AVAIL) ||
1378 (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1379 MIN_RX_SIZE_TPA)) ||
1380 (ering->tx_pending > MAX_TX_AVAIL) ||
1381 (ering->tx_pending <= MAX_SKB_FRAGS + 4))
1382 return -EINVAL;
1383
1384 bp->rx_ring_size = ering->rx_pending;
1385 bp->tx_ring_size = ering->tx_pending;
1386
1387 return bnx2x_reload_if_running(dev);
1388 }
1389
bnx2x_get_pauseparam(struct net_device * dev,struct ethtool_pauseparam * epause)1390 static void bnx2x_get_pauseparam(struct net_device *dev,
1391 struct ethtool_pauseparam *epause)
1392 {
1393 struct bnx2x *bp = netdev_priv(dev);
1394 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1395 epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1396 BNX2X_FLOW_CTRL_AUTO);
1397
1398 epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
1399 BNX2X_FLOW_CTRL_RX);
1400 epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
1401 BNX2X_FLOW_CTRL_TX);
1402
1403 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1404 " autoneg %d rx_pause %d tx_pause %d\n",
1405 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1406 }
1407
bnx2x_set_pauseparam(struct net_device * dev,struct ethtool_pauseparam * epause)1408 static int bnx2x_set_pauseparam(struct net_device *dev,
1409 struct ethtool_pauseparam *epause)
1410 {
1411 struct bnx2x *bp = netdev_priv(dev);
1412 u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1413 if (IS_MF(bp))
1414 return 0;
1415
1416 DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1417 " autoneg %d rx_pause %d tx_pause %d\n",
1418 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1419
1420 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1421
1422 if (epause->rx_pause)
1423 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1424
1425 if (epause->tx_pause)
1426 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1427
1428 if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
1429 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1430
1431 if (epause->autoneg) {
1432 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1433 DP(NETIF_MSG_LINK, "autoneg not supported\n");
1434 return -EINVAL;
1435 }
1436
1437 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
1438 bp->link_params.req_flow_ctrl[cfg_idx] =
1439 BNX2X_FLOW_CTRL_AUTO;
1440 }
1441 }
1442
1443 DP(NETIF_MSG_LINK,
1444 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
1445
1446 if (netif_running(dev)) {
1447 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1448 bnx2x_link_set(bp);
1449 }
1450
1451 return 0;
1452 }
1453
1454 static const struct {
1455 char string[ETH_GSTRING_LEN];
1456 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
1457 { "register_test (offline)" },
1458 { "memory_test (offline)" },
1459 { "loopback_test (offline)" },
1460 { "nvram_test (online)" },
1461 { "interrupt_test (online)" },
1462 { "link_test (online)" },
1463 { "idle check (online)" }
1464 };
1465
1466 enum {
1467 BNX2X_CHIP_E1_OFST = 0,
1468 BNX2X_CHIP_E1H_OFST,
1469 BNX2X_CHIP_E2_OFST,
1470 BNX2X_CHIP_E3_OFST,
1471 BNX2X_CHIP_E3B0_OFST,
1472 BNX2X_CHIP_MAX_OFST
1473 };
1474
1475 #define BNX2X_CHIP_MASK_E1 (1 << BNX2X_CHIP_E1_OFST)
1476 #define BNX2X_CHIP_MASK_E1H (1 << BNX2X_CHIP_E1H_OFST)
1477 #define BNX2X_CHIP_MASK_E2 (1 << BNX2X_CHIP_E2_OFST)
1478 #define BNX2X_CHIP_MASK_E3 (1 << BNX2X_CHIP_E3_OFST)
1479 #define BNX2X_CHIP_MASK_E3B0 (1 << BNX2X_CHIP_E3B0_OFST)
1480
1481 #define BNX2X_CHIP_MASK_ALL ((1 << BNX2X_CHIP_MAX_OFST) - 1)
1482 #define BNX2X_CHIP_MASK_E1X (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
1483
bnx2x_test_registers(struct bnx2x * bp)1484 static int bnx2x_test_registers(struct bnx2x *bp)
1485 {
1486 int idx, i, rc = -ENODEV;
1487 u32 wr_val = 0, hw;
1488 int port = BP_PORT(bp);
1489 static const struct {
1490 u32 hw;
1491 u32 offset0;
1492 u32 offset1;
1493 u32 mask;
1494 } reg_tbl[] = {
1495 /* 0 */ { BNX2X_CHIP_MASK_ALL,
1496 BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
1497 { BNX2X_CHIP_MASK_ALL,
1498 DORQ_REG_DB_ADDR0, 4, 0xffffffff },
1499 { BNX2X_CHIP_MASK_E1X,
1500 HC_REG_AGG_INT_0, 4, 0x000003ff },
1501 { BNX2X_CHIP_MASK_ALL,
1502 PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
1503 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
1504 PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
1505 { BNX2X_CHIP_MASK_E3B0,
1506 PBF_REG_INIT_CRD_Q0, 4, 0x000007ff },
1507 { BNX2X_CHIP_MASK_ALL,
1508 PRS_REG_CID_PORT_0, 4, 0x00ffffff },
1509 { BNX2X_CHIP_MASK_ALL,
1510 PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
1511 { BNX2X_CHIP_MASK_ALL,
1512 PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
1513 { BNX2X_CHIP_MASK_ALL,
1514 PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
1515 /* 10 */ { BNX2X_CHIP_MASK_ALL,
1516 PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
1517 { BNX2X_CHIP_MASK_ALL,
1518 PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
1519 { BNX2X_CHIP_MASK_ALL,
1520 QM_REG_CONNNUM_0, 4, 0x000fffff },
1521 { BNX2X_CHIP_MASK_ALL,
1522 TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
1523 { BNX2X_CHIP_MASK_ALL,
1524 SRC_REG_KEYRSS0_0, 40, 0xffffffff },
1525 { BNX2X_CHIP_MASK_ALL,
1526 SRC_REG_KEYRSS0_7, 40, 0xffffffff },
1527 { BNX2X_CHIP_MASK_ALL,
1528 XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
1529 { BNX2X_CHIP_MASK_ALL,
1530 XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
1531 { BNX2X_CHIP_MASK_ALL,
1532 XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
1533 { BNX2X_CHIP_MASK_ALL,
1534 NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
1535 /* 20 */ { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1536 NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
1537 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1538 NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
1539 { BNX2X_CHIP_MASK_ALL,
1540 NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
1541 { BNX2X_CHIP_MASK_ALL,
1542 NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
1543 { BNX2X_CHIP_MASK_ALL,
1544 NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
1545 { BNX2X_CHIP_MASK_ALL,
1546 NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
1547 { BNX2X_CHIP_MASK_ALL,
1548 NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
1549 { BNX2X_CHIP_MASK_ALL,
1550 NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
1551 { BNX2X_CHIP_MASK_ALL,
1552 NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
1553 { BNX2X_CHIP_MASK_ALL,
1554 NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
1555 /* 30 */ { BNX2X_CHIP_MASK_ALL,
1556 NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
1557 { BNX2X_CHIP_MASK_ALL,
1558 NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
1559 { BNX2X_CHIP_MASK_ALL,
1560 NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
1561 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1562 NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
1563 { BNX2X_CHIP_MASK_ALL,
1564 NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
1565 { BNX2X_CHIP_MASK_ALL,
1566 NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
1567 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1568 NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
1569 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1570 NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
1571
1572 { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
1573 };
1574
1575 if (!netif_running(bp->dev))
1576 return rc;
1577
1578 if (CHIP_IS_E1(bp))
1579 hw = BNX2X_CHIP_MASK_E1;
1580 else if (CHIP_IS_E1H(bp))
1581 hw = BNX2X_CHIP_MASK_E1H;
1582 else if (CHIP_IS_E2(bp))
1583 hw = BNX2X_CHIP_MASK_E2;
1584 else if (CHIP_IS_E3B0(bp))
1585 hw = BNX2X_CHIP_MASK_E3B0;
1586 else /* e3 A0 */
1587 hw = BNX2X_CHIP_MASK_E3;
1588
1589 /* Repeat the test twice:
1590 First by writing 0x00000000, second by writing 0xffffffff */
1591 for (idx = 0; idx < 2; idx++) {
1592
1593 switch (idx) {
1594 case 0:
1595 wr_val = 0;
1596 break;
1597 case 1:
1598 wr_val = 0xffffffff;
1599 break;
1600 }
1601
1602 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
1603 u32 offset, mask, save_val, val;
1604 if (!(hw & reg_tbl[i].hw))
1605 continue;
1606
1607 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
1608 mask = reg_tbl[i].mask;
1609
1610 save_val = REG_RD(bp, offset);
1611
1612 REG_WR(bp, offset, wr_val & mask);
1613
1614 val = REG_RD(bp, offset);
1615
1616 /* Restore the original register's value */
1617 REG_WR(bp, offset, save_val);
1618
1619 /* verify value is as expected */
1620 if ((val & mask) != (wr_val & mask)) {
1621 DP(NETIF_MSG_HW,
1622 "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
1623 offset, val, wr_val, mask);
1624 goto test_reg_exit;
1625 }
1626 }
1627 }
1628
1629 rc = 0;
1630
1631 test_reg_exit:
1632 return rc;
1633 }
1634
bnx2x_test_memory(struct bnx2x * bp)1635 static int bnx2x_test_memory(struct bnx2x *bp)
1636 {
1637 int i, j, rc = -ENODEV;
1638 u32 val, index;
1639 static const struct {
1640 u32 offset;
1641 int size;
1642 } mem_tbl[] = {
1643 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
1644 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
1645 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
1646 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
1647 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
1648 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
1649 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
1650
1651 { 0xffffffff, 0 }
1652 };
1653
1654 static const struct {
1655 char *name;
1656 u32 offset;
1657 u32 hw_mask[BNX2X_CHIP_MAX_OFST];
1658 } prty_tbl[] = {
1659 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS,
1660 {0x3ffc0, 0, 0, 0} },
1661 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS,
1662 {0x2, 0x2, 0, 0} },
1663 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
1664 {0, 0, 0, 0} },
1665 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS,
1666 {0x3ffc0, 0, 0, 0} },
1667 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS,
1668 {0x3ffc0, 0, 0, 0} },
1669 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS,
1670 {0x3ffc1, 0, 0, 0} },
1671
1672 { NULL, 0xffffffff, {0, 0, 0, 0} }
1673 };
1674
1675 if (!netif_running(bp->dev))
1676 return rc;
1677
1678 if (CHIP_IS_E1(bp))
1679 index = BNX2X_CHIP_E1_OFST;
1680 else if (CHIP_IS_E1H(bp))
1681 index = BNX2X_CHIP_E1H_OFST;
1682 else if (CHIP_IS_E2(bp))
1683 index = BNX2X_CHIP_E2_OFST;
1684 else /* e3 */
1685 index = BNX2X_CHIP_E3_OFST;
1686
1687 /* pre-Check the parity status */
1688 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1689 val = REG_RD(bp, prty_tbl[i].offset);
1690 if (val & ~(prty_tbl[i].hw_mask[index])) {
1691 DP(NETIF_MSG_HW,
1692 "%s is 0x%x\n", prty_tbl[i].name, val);
1693 goto test_mem_exit;
1694 }
1695 }
1696
1697 /* Go through all the memories */
1698 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
1699 for (j = 0; j < mem_tbl[i].size; j++)
1700 REG_RD(bp, mem_tbl[i].offset + j*4);
1701
1702 /* Check the parity status */
1703 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1704 val = REG_RD(bp, prty_tbl[i].offset);
1705 if (val & ~(prty_tbl[i].hw_mask[index])) {
1706 DP(NETIF_MSG_HW,
1707 "%s is 0x%x\n", prty_tbl[i].name, val);
1708 goto test_mem_exit;
1709 }
1710 }
1711
1712 rc = 0;
1713
1714 test_mem_exit:
1715 return rc;
1716 }
1717
bnx2x_wait_for_link(struct bnx2x * bp,u8 link_up,u8 is_serdes)1718 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
1719 {
1720 int cnt = 1400;
1721
1722 if (link_up) {
1723 while (bnx2x_link_test(bp, is_serdes) && cnt--)
1724 msleep(20);
1725
1726 if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
1727 DP(NETIF_MSG_LINK, "Timeout waiting for link up\n");
1728 }
1729 }
1730
bnx2x_run_loopback(struct bnx2x * bp,int loopback_mode)1731 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
1732 {
1733 unsigned int pkt_size, num_pkts, i;
1734 struct sk_buff *skb;
1735 unsigned char *packet;
1736 struct bnx2x_fastpath *fp_rx = &bp->fp[0];
1737 struct bnx2x_fastpath *fp_tx = &bp->fp[0];
1738 struct bnx2x_fp_txdata *txdata = &fp_tx->txdata[0];
1739 u16 tx_start_idx, tx_idx;
1740 u16 rx_start_idx, rx_idx;
1741 u16 pkt_prod, bd_prod;
1742 struct sw_tx_bd *tx_buf;
1743 struct eth_tx_start_bd *tx_start_bd;
1744 struct eth_tx_parse_bd_e1x *pbd_e1x = NULL;
1745 struct eth_tx_parse_bd_e2 *pbd_e2 = NULL;
1746 dma_addr_t mapping;
1747 union eth_rx_cqe *cqe;
1748 u8 cqe_fp_flags, cqe_fp_type;
1749 struct sw_rx_bd *rx_buf;
1750 u16 len;
1751 int rc = -ENODEV;
1752 u8 *data;
1753 struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, txdata->txq_index);
1754
1755 /* check the loopback mode */
1756 switch (loopback_mode) {
1757 case BNX2X_PHY_LOOPBACK:
1758 if (bp->link_params.loopback_mode != LOOPBACK_XGXS)
1759 return -EINVAL;
1760 break;
1761 case BNX2X_MAC_LOOPBACK:
1762 if (CHIP_IS_E3(bp)) {
1763 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1764 if (bp->port.supported[cfg_idx] &
1765 (SUPPORTED_10000baseT_Full |
1766 SUPPORTED_20000baseMLD2_Full |
1767 SUPPORTED_20000baseKR2_Full))
1768 bp->link_params.loopback_mode = LOOPBACK_XMAC;
1769 else
1770 bp->link_params.loopback_mode = LOOPBACK_UMAC;
1771 } else
1772 bp->link_params.loopback_mode = LOOPBACK_BMAC;
1773
1774 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1775 break;
1776 default:
1777 return -EINVAL;
1778 }
1779
1780 /* prepare the loopback packet */
1781 pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
1782 bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
1783 skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
1784 if (!skb) {
1785 rc = -ENOMEM;
1786 goto test_loopback_exit;
1787 }
1788 packet = skb_put(skb, pkt_size);
1789 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
1790 memset(packet + ETH_ALEN, 0, ETH_ALEN);
1791 memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
1792 for (i = ETH_HLEN; i < pkt_size; i++)
1793 packet[i] = (unsigned char) (i & 0xff);
1794 mapping = dma_map_single(&bp->pdev->dev, skb->data,
1795 skb_headlen(skb), DMA_TO_DEVICE);
1796 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1797 rc = -ENOMEM;
1798 dev_kfree_skb(skb);
1799 BNX2X_ERR("Unable to map SKB\n");
1800 goto test_loopback_exit;
1801 }
1802
1803 /* send the loopback packet */
1804 num_pkts = 0;
1805 tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
1806 rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1807
1808 netdev_tx_sent_queue(txq, skb->len);
1809
1810 pkt_prod = txdata->tx_pkt_prod++;
1811 tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
1812 tx_buf->first_bd = txdata->tx_bd_prod;
1813 tx_buf->skb = skb;
1814 tx_buf->flags = 0;
1815
1816 bd_prod = TX_BD(txdata->tx_bd_prod);
1817 tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
1818 tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1819 tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1820 tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
1821 tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
1822 tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
1823 tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
1824 SET_FLAG(tx_start_bd->general_data,
1825 ETH_TX_START_BD_ETH_ADDR_TYPE,
1826 UNICAST_ADDRESS);
1827 SET_FLAG(tx_start_bd->general_data,
1828 ETH_TX_START_BD_HDR_NBDS,
1829 1);
1830
1831 /* turn on parsing and get a BD */
1832 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
1833
1834 pbd_e1x = &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
1835 pbd_e2 = &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
1836
1837 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
1838 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
1839
1840 wmb();
1841
1842 txdata->tx_db.data.prod += 2;
1843 barrier();
1844 DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
1845
1846 mmiowb();
1847 barrier();
1848
1849 num_pkts++;
1850 txdata->tx_bd_prod += 2; /* start + pbd */
1851
1852 udelay(100);
1853
1854 tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
1855 if (tx_idx != tx_start_idx + num_pkts)
1856 goto test_loopback_exit;
1857
1858 /* Unlike HC IGU won't generate an interrupt for status block
1859 * updates that have been performed while interrupts were
1860 * disabled.
1861 */
1862 if (bp->common.int_block == INT_BLOCK_IGU) {
1863 /* Disable local BHes to prevent a dead-lock situation between
1864 * sch_direct_xmit() and bnx2x_run_loopback() (calling
1865 * bnx2x_tx_int()), as both are taking netif_tx_lock().
1866 */
1867 local_bh_disable();
1868 bnx2x_tx_int(bp, txdata);
1869 local_bh_enable();
1870 }
1871
1872 rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1873 if (rx_idx != rx_start_idx + num_pkts)
1874 goto test_loopback_exit;
1875
1876 cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
1877 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1878 cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
1879 if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
1880 goto test_loopback_rx_exit;
1881
1882 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1883 if (len != pkt_size)
1884 goto test_loopback_rx_exit;
1885
1886 rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
1887 dma_sync_single_for_cpu(&bp->pdev->dev,
1888 dma_unmap_addr(rx_buf, mapping),
1889 fp_rx->rx_buf_size, DMA_FROM_DEVICE);
1890 data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
1891 for (i = ETH_HLEN; i < pkt_size; i++)
1892 if (*(data + i) != (unsigned char) (i & 0xff))
1893 goto test_loopback_rx_exit;
1894
1895 rc = 0;
1896
1897 test_loopback_rx_exit:
1898
1899 fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
1900 fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
1901 fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
1902 fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
1903
1904 /* Update producers */
1905 bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
1906 fp_rx->rx_sge_prod);
1907
1908 test_loopback_exit:
1909 bp->link_params.loopback_mode = LOOPBACK_NONE;
1910
1911 return rc;
1912 }
1913
bnx2x_test_loopback(struct bnx2x * bp)1914 static int bnx2x_test_loopback(struct bnx2x *bp)
1915 {
1916 int rc = 0, res;
1917
1918 if (BP_NOMCP(bp))
1919 return rc;
1920
1921 if (!netif_running(bp->dev))
1922 return BNX2X_LOOPBACK_FAILED;
1923
1924 bnx2x_netif_stop(bp, 1);
1925 bnx2x_acquire_phy_lock(bp);
1926
1927 res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
1928 if (res) {
1929 DP(NETIF_MSG_PROBE, " PHY loopback failed (res %d)\n", res);
1930 rc |= BNX2X_PHY_LOOPBACK_FAILED;
1931 }
1932
1933 res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
1934 if (res) {
1935 DP(NETIF_MSG_PROBE, " MAC loopback failed (res %d)\n", res);
1936 rc |= BNX2X_MAC_LOOPBACK_FAILED;
1937 }
1938
1939 bnx2x_release_phy_lock(bp);
1940 bnx2x_netif_start(bp);
1941
1942 return rc;
1943 }
1944
1945 #define CRC32_RESIDUAL 0xdebb20e3
1946
bnx2x_test_nvram(struct bnx2x * bp)1947 static int bnx2x_test_nvram(struct bnx2x *bp)
1948 {
1949 static const struct {
1950 int offset;
1951 int size;
1952 } nvram_tbl[] = {
1953 { 0, 0x14 }, /* bootstrap */
1954 { 0x14, 0xec }, /* dir */
1955 { 0x100, 0x350 }, /* manuf_info */
1956 { 0x450, 0xf0 }, /* feature_info */
1957 { 0x640, 0x64 }, /* upgrade_key_info */
1958 { 0x708, 0x70 }, /* manuf_key_info */
1959 { 0, 0 }
1960 };
1961 __be32 buf[0x350 / 4];
1962 u8 *data = (u8 *)buf;
1963 int i, rc;
1964 u32 magic, crc;
1965
1966 if (BP_NOMCP(bp))
1967 return 0;
1968
1969 rc = bnx2x_nvram_read(bp, 0, data, 4);
1970 if (rc) {
1971 DP(NETIF_MSG_PROBE, "magic value read (rc %d)\n", rc);
1972 goto test_nvram_exit;
1973 }
1974
1975 magic = be32_to_cpu(buf[0]);
1976 if (magic != 0x669955aa) {
1977 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
1978 rc = -ENODEV;
1979 goto test_nvram_exit;
1980 }
1981
1982 for (i = 0; nvram_tbl[i].size; i++) {
1983
1984 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
1985 nvram_tbl[i].size);
1986 if (rc) {
1987 DP(NETIF_MSG_PROBE,
1988 "nvram_tbl[%d] read data (rc %d)\n", i, rc);
1989 goto test_nvram_exit;
1990 }
1991
1992 crc = ether_crc_le(nvram_tbl[i].size, data);
1993 if (crc != CRC32_RESIDUAL) {
1994 DP(NETIF_MSG_PROBE,
1995 "nvram_tbl[%d] crc value (0x%08x)\n", i, crc);
1996 rc = -ENODEV;
1997 goto test_nvram_exit;
1998 }
1999 }
2000
2001 test_nvram_exit:
2002 return rc;
2003 }
2004
2005 /* Send an EMPTY ramrod on the first queue */
bnx2x_test_intr(struct bnx2x * bp)2006 static int bnx2x_test_intr(struct bnx2x *bp)
2007 {
2008 struct bnx2x_queue_state_params params = {0};
2009
2010 if (!netif_running(bp->dev))
2011 return -ENODEV;
2012
2013 params.q_obj = &bp->fp->q_obj;
2014 params.cmd = BNX2X_Q_CMD_EMPTY;
2015
2016 __set_bit(RAMROD_COMP_WAIT, ¶ms.ramrod_flags);
2017
2018 return bnx2x_queue_state_change(bp, ¶ms);
2019 }
2020
bnx2x_self_test(struct net_device * dev,struct ethtool_test * etest,u64 * buf)2021 static void bnx2x_self_test(struct net_device *dev,
2022 struct ethtool_test *etest, u64 *buf)
2023 {
2024 struct bnx2x *bp = netdev_priv(dev);
2025 u8 is_serdes;
2026 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
2027 pr_err("Handling parity error recovery. Try again later\n");
2028 etest->flags |= ETH_TEST_FL_FAILED;
2029 return;
2030 }
2031
2032 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
2033
2034 if (!netif_running(dev))
2035 return;
2036
2037 /* offline tests are not supported in MF mode */
2038 if (IS_MF(bp))
2039 etest->flags &= ~ETH_TEST_FL_OFFLINE;
2040 is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2041
2042 if (etest->flags & ETH_TEST_FL_OFFLINE) {
2043 int port = BP_PORT(bp);
2044 u32 val;
2045 u8 link_up;
2046
2047 /* save current value of input enable for TX port IF */
2048 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
2049 /* disable input for TX port IF */
2050 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
2051
2052 link_up = bp->link_vars.link_up;
2053
2054 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
2055 bnx2x_nic_load(bp, LOAD_DIAG);
2056 /* wait until link state is restored */
2057 bnx2x_wait_for_link(bp, 1, is_serdes);
2058
2059 if (bnx2x_test_registers(bp) != 0) {
2060 buf[0] = 1;
2061 etest->flags |= ETH_TEST_FL_FAILED;
2062 }
2063 if (bnx2x_test_memory(bp) != 0) {
2064 buf[1] = 1;
2065 etest->flags |= ETH_TEST_FL_FAILED;
2066 }
2067
2068 buf[2] = bnx2x_test_loopback(bp);
2069 if (buf[2] != 0)
2070 etest->flags |= ETH_TEST_FL_FAILED;
2071
2072 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
2073
2074 /* restore input for TX port IF */
2075 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
2076
2077 bnx2x_nic_load(bp, LOAD_NORMAL);
2078 /* wait until link state is restored */
2079 bnx2x_wait_for_link(bp, link_up, is_serdes);
2080 }
2081 if (bnx2x_test_nvram(bp) != 0) {
2082 buf[3] = 1;
2083 etest->flags |= ETH_TEST_FL_FAILED;
2084 }
2085 if (bnx2x_test_intr(bp) != 0) {
2086 buf[4] = 1;
2087 etest->flags |= ETH_TEST_FL_FAILED;
2088 }
2089
2090 if (bnx2x_link_test(bp, is_serdes) != 0) {
2091 buf[5] = 1;
2092 etest->flags |= ETH_TEST_FL_FAILED;
2093 }
2094
2095 #ifdef BNX2X_EXTRA_DEBUG
2096 bnx2x_panic_dump(bp);
2097 #endif
2098 }
2099
2100 #define IS_PORT_STAT(i) \
2101 ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
2102 #define IS_FUNC_STAT(i) (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
2103 #define IS_MF_MODE_STAT(bp) \
2104 (IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS))
2105
2106 /* ethtool statistics are displayed for all regular ethernet queues and the
2107 * fcoe L2 queue if not disabled
2108 */
bnx2x_num_stat_queues(struct bnx2x * bp)2109 static inline int bnx2x_num_stat_queues(struct bnx2x *bp)
2110 {
2111 return BNX2X_NUM_ETH_QUEUES(bp);
2112 }
2113
bnx2x_get_sset_count(struct net_device * dev,int stringset)2114 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
2115 {
2116 struct bnx2x *bp = netdev_priv(dev);
2117 int i, num_stats;
2118
2119 switch (stringset) {
2120 case ETH_SS_STATS:
2121 if (is_multi(bp)) {
2122 num_stats = bnx2x_num_stat_queues(bp) *
2123 BNX2X_NUM_Q_STATS;
2124 } else
2125 num_stats = 0;
2126 if (IS_MF_MODE_STAT(bp)) {
2127 for (i = 0; i < BNX2X_NUM_STATS; i++)
2128 if (IS_FUNC_STAT(i))
2129 num_stats++;
2130 } else
2131 num_stats += BNX2X_NUM_STATS;
2132
2133 return num_stats;
2134
2135 case ETH_SS_TEST:
2136 return BNX2X_NUM_TESTS;
2137
2138 default:
2139 return -EINVAL;
2140 }
2141 }
2142
bnx2x_get_strings(struct net_device * dev,u32 stringset,u8 * buf)2143 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
2144 {
2145 struct bnx2x *bp = netdev_priv(dev);
2146 int i, j, k;
2147 char queue_name[MAX_QUEUE_NAME_LEN+1];
2148
2149 switch (stringset) {
2150 case ETH_SS_STATS:
2151 k = 0;
2152 if (is_multi(bp)) {
2153 for_each_eth_queue(bp, i) {
2154 memset(queue_name, 0, sizeof(queue_name));
2155 sprintf(queue_name, "%d", i);
2156 for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
2157 snprintf(buf + (k + j)*ETH_GSTRING_LEN,
2158 ETH_GSTRING_LEN,
2159 bnx2x_q_stats_arr[j].string,
2160 queue_name);
2161 k += BNX2X_NUM_Q_STATS;
2162 }
2163 }
2164
2165
2166 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
2167 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
2168 continue;
2169 strcpy(buf + (k + j)*ETH_GSTRING_LEN,
2170 bnx2x_stats_arr[i].string);
2171 j++;
2172 }
2173
2174 break;
2175
2176 case ETH_SS_TEST:
2177 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
2178 break;
2179 }
2180 }
2181
bnx2x_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * buf)2182 static void bnx2x_get_ethtool_stats(struct net_device *dev,
2183 struct ethtool_stats *stats, u64 *buf)
2184 {
2185 struct bnx2x *bp = netdev_priv(dev);
2186 u32 *hw_stats, *offset;
2187 int i, j, k = 0;
2188
2189 if (is_multi(bp)) {
2190 for_each_eth_queue(bp, i) {
2191 hw_stats = (u32 *)&bp->fp[i].eth_q_stats;
2192 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
2193 if (bnx2x_q_stats_arr[j].size == 0) {
2194 /* skip this counter */
2195 buf[k + j] = 0;
2196 continue;
2197 }
2198 offset = (hw_stats +
2199 bnx2x_q_stats_arr[j].offset);
2200 if (bnx2x_q_stats_arr[j].size == 4) {
2201 /* 4-byte counter */
2202 buf[k + j] = (u64) *offset;
2203 continue;
2204 }
2205 /* 8-byte counter */
2206 buf[k + j] = HILO_U64(*offset, *(offset + 1));
2207 }
2208 k += BNX2X_NUM_Q_STATS;
2209 }
2210 }
2211
2212 hw_stats = (u32 *)&bp->eth_stats;
2213 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
2214 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
2215 continue;
2216 if (bnx2x_stats_arr[i].size == 0) {
2217 /* skip this counter */
2218 buf[k + j] = 0;
2219 j++;
2220 continue;
2221 }
2222 offset = (hw_stats + bnx2x_stats_arr[i].offset);
2223 if (bnx2x_stats_arr[i].size == 4) {
2224 /* 4-byte counter */
2225 buf[k + j] = (u64) *offset;
2226 j++;
2227 continue;
2228 }
2229 /* 8-byte counter */
2230 buf[k + j] = HILO_U64(*offset, *(offset + 1));
2231 j++;
2232 }
2233 }
2234
bnx2x_set_phys_id(struct net_device * dev,enum ethtool_phys_id_state state)2235 static int bnx2x_set_phys_id(struct net_device *dev,
2236 enum ethtool_phys_id_state state)
2237 {
2238 struct bnx2x *bp = netdev_priv(dev);
2239
2240 if (!netif_running(dev))
2241 return -EAGAIN;
2242
2243 if (!bp->port.pmf)
2244 return -EOPNOTSUPP;
2245
2246 switch (state) {
2247 case ETHTOOL_ID_ACTIVE:
2248 return 1; /* cycle on/off once per second */
2249
2250 case ETHTOOL_ID_ON:
2251 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2252 LED_MODE_ON, SPEED_1000);
2253 break;
2254
2255 case ETHTOOL_ID_OFF:
2256 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2257 LED_MODE_FRONT_PANEL_OFF, 0);
2258
2259 break;
2260
2261 case ETHTOOL_ID_INACTIVE:
2262 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2263 LED_MODE_OPER,
2264 bp->link_vars.line_speed);
2265 }
2266
2267 return 0;
2268 }
2269
bnx2x_get_rxnfc(struct net_device * dev,struct ethtool_rxnfc * info,u32 * rules __always_unused)2270 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2271 u32 *rules __always_unused)
2272 {
2273 struct bnx2x *bp = netdev_priv(dev);
2274
2275 switch (info->cmd) {
2276 case ETHTOOL_GRXRINGS:
2277 info->data = BNX2X_NUM_ETH_QUEUES(bp);
2278 return 0;
2279
2280 default:
2281 return -EOPNOTSUPP;
2282 }
2283 }
2284
bnx2x_get_rxfh_indir_size(struct net_device * dev)2285 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
2286 {
2287 struct bnx2x *bp = netdev_priv(dev);
2288
2289 return (bp->multi_mode == ETH_RSS_MODE_DISABLED ?
2290 0 : T_ETH_INDIRECTION_TABLE_SIZE);
2291 }
2292
bnx2x_get_rxfh_indir(struct net_device * dev,u32 * indir)2293 static int bnx2x_get_rxfh_indir(struct net_device *dev, u32 *indir)
2294 {
2295 struct bnx2x *bp = netdev_priv(dev);
2296 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
2297 size_t i;
2298
2299 /* Get the current configuration of the RSS indirection table */
2300 bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
2301
2302 /*
2303 * We can't use a memcpy() as an internal storage of an
2304 * indirection table is a u8 array while indir->ring_index
2305 * points to an array of u32.
2306 *
2307 * Indirection table contains the FW Client IDs, so we need to
2308 * align the returned table to the Client ID of the leading RSS
2309 * queue.
2310 */
2311 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
2312 indir[i] = ind_table[i] - bp->fp->cl_id;
2313
2314 return 0;
2315 }
2316
bnx2x_set_rxfh_indir(struct net_device * dev,const u32 * indir)2317 static int bnx2x_set_rxfh_indir(struct net_device *dev, const u32 *indir)
2318 {
2319 struct bnx2x *bp = netdev_priv(dev);
2320 size_t i;
2321 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
2322
2323 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
2324 /*
2325 * The same as in bnx2x_get_rxfh_indir: we can't use a memcpy()
2326 * as an internal storage of an indirection table is a u8 array
2327 * while indir->ring_index points to an array of u32.
2328 *
2329 * Indirection table contains the FW Client IDs, so we need to
2330 * align the received table to the Client ID of the leading RSS
2331 * queue
2332 */
2333 ind_table[i] = indir[i] + bp->fp->cl_id;
2334 }
2335
2336 return bnx2x_config_rss_pf(bp, ind_table, false);
2337 }
2338
2339 static const struct ethtool_ops bnx2x_ethtool_ops = {
2340 .get_settings = bnx2x_get_settings,
2341 .set_settings = bnx2x_set_settings,
2342 .get_drvinfo = bnx2x_get_drvinfo,
2343 .get_regs_len = bnx2x_get_regs_len,
2344 .get_regs = bnx2x_get_regs,
2345 .get_wol = bnx2x_get_wol,
2346 .set_wol = bnx2x_set_wol,
2347 .get_msglevel = bnx2x_get_msglevel,
2348 .set_msglevel = bnx2x_set_msglevel,
2349 .nway_reset = bnx2x_nway_reset,
2350 .get_link = bnx2x_get_link,
2351 .get_eeprom_len = bnx2x_get_eeprom_len,
2352 .get_eeprom = bnx2x_get_eeprom,
2353 .set_eeprom = bnx2x_set_eeprom,
2354 .get_coalesce = bnx2x_get_coalesce,
2355 .set_coalesce = bnx2x_set_coalesce,
2356 .get_ringparam = bnx2x_get_ringparam,
2357 .set_ringparam = bnx2x_set_ringparam,
2358 .get_pauseparam = bnx2x_get_pauseparam,
2359 .set_pauseparam = bnx2x_set_pauseparam,
2360 .self_test = bnx2x_self_test,
2361 .get_sset_count = bnx2x_get_sset_count,
2362 .get_strings = bnx2x_get_strings,
2363 .set_phys_id = bnx2x_set_phys_id,
2364 .get_ethtool_stats = bnx2x_get_ethtool_stats,
2365 .get_rxnfc = bnx2x_get_rxnfc,
2366 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size,
2367 .get_rxfh_indir = bnx2x_get_rxfh_indir,
2368 .set_rxfh_indir = bnx2x_set_rxfh_indir,
2369 };
2370
bnx2x_set_ethtool_ops(struct net_device * netdev)2371 void bnx2x_set_ethtool_ops(struct net_device *netdev)
2372 {
2373 SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
2374 }
2375