?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
treewide: remove redundant IS_ERR() before error code check
[linux/fpc-iii.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_ethtool.c
blob4a0ba6801c9e488fac1d8d29f3d4685b61d6f48c
1 /* bnx2x_ethtool.c: QLogic Everest network driver.
2 *
3 * Copyright (c) 2007-2013 Broadcom Corporation
4 * Copyright (c) 2014 QLogic Corporation
5 * All rights reserved
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation.
10 *
11 * Maintained by: Ariel Elior <ariel.elior@qlogic.com>
12 * Written by: Eliezer Tamir
13 * Based on code from Michael Chan's bnx2 driver
14 * UDP CSUM errata workaround by Arik Gendelman
15 * Slowpath and fastpath rework by Vladislav Zolotarov
16 * Statistics and Link management by Yitchak Gertner
17 *
18 */
19
20 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
21
22 #include <linux/ethtool.h>
23 #include <linux/netdevice.h>
24 #include <linux/types.h>
25 #include <linux/sched.h>
26 #include <linux/crc32.h>
27 #include "bnx2x.h"
28 #include "bnx2x_cmn.h"
29 #include "bnx2x_dump.h"
30 #include "bnx2x_init.h"
31
32 /* Note: in the format strings below %s is replaced by the queue-name which is
33 * either its index or 'fcoe' for the fcoe queue. Make sure the format string
34 * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
35 */
36 #define MAX_QUEUE_NAME_LEN 4
37 static const struct {
38 long offset;
39 int size;
40 char string[ETH_GSTRING_LEN];
41 } bnx2x_q_stats_arr[] = {
42 /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
43 { Q_STATS_OFFSET32(total_unicast_packets_received_hi),
44 8, "[%s]: rx_ucast_packets" },
45 { Q_STATS_OFFSET32(total_multicast_packets_received_hi),
46 8, "[%s]: rx_mcast_packets" },
47 { Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
48 8, "[%s]: rx_bcast_packets" },
49 { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" },
50 { Q_STATS_OFFSET32(rx_err_discard_pkt),
51 4, "[%s]: rx_phy_ip_err_discards"},
52 { Q_STATS_OFFSET32(rx_skb_alloc_failed),
53 4, "[%s]: rx_skb_alloc_discard" },
54 { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
55 { Q_STATS_OFFSET32(driver_xoff), 4, "[%s]: tx_exhaustion_events" },
56 { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" },
57 /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
58 8, "[%s]: tx_ucast_packets" },
59 { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
60 8, "[%s]: tx_mcast_packets" },
61 { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
62 8, "[%s]: tx_bcast_packets" },
63 { Q_STATS_OFFSET32(total_tpa_aggregations_hi),
64 8, "[%s]: tpa_aggregations" },
65 { Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
66 8, "[%s]: tpa_aggregated_frames"},
67 { Q_STATS_OFFSET32(total_tpa_bytes_hi), 8, "[%s]: tpa_bytes"},
68 { Q_STATS_OFFSET32(driver_filtered_tx_pkt),
69 4, "[%s]: driver_filtered_tx_pkt" }
70 };
71
72 #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
73
74 static const struct {
75 long offset;
76 int size;
77 bool is_port_stat;
78 char string[ETH_GSTRING_LEN];
79 } bnx2x_stats_arr[] = {
80 /* 1 */ { STATS_OFFSET32(total_bytes_received_hi),
81 8, false, "rx_bytes" },
82 { STATS_OFFSET32(error_bytes_received_hi),
83 8, false, "rx_error_bytes" },
84 { STATS_OFFSET32(total_unicast_packets_received_hi),
85 8, false, "rx_ucast_packets" },
86 { STATS_OFFSET32(total_multicast_packets_received_hi),
87 8, false, "rx_mcast_packets" },
88 { STATS_OFFSET32(total_broadcast_packets_received_hi),
89 8, false, "rx_bcast_packets" },
90 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
91 8, true, "rx_crc_errors" },
92 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
93 8, true, "rx_align_errors" },
94 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
95 8, true, "rx_undersize_packets" },
96 { STATS_OFFSET32(etherstatsoverrsizepkts_hi),
97 8, true, "rx_oversize_packets" },
98 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
99 8, true, "rx_fragments" },
100 { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
101 8, true, "rx_jabbers" },
102 { STATS_OFFSET32(no_buff_discard_hi),
103 8, false, "rx_discards" },
104 { STATS_OFFSET32(mac_filter_discard),
105 4, true, "rx_filtered_packets" },
106 { STATS_OFFSET32(mf_tag_discard),
107 4, true, "rx_mf_tag_discard" },
108 { STATS_OFFSET32(pfc_frames_received_hi),
109 8, true, "pfc_frames_received" },
110 { STATS_OFFSET32(pfc_frames_sent_hi),
111 8, true, "pfc_frames_sent" },
112 { STATS_OFFSET32(brb_drop_hi),
113 8, true, "rx_brb_discard" },
114 { STATS_OFFSET32(brb_truncate_hi),
115 8, true, "rx_brb_truncate" },
116 { STATS_OFFSET32(pause_frames_received_hi),
117 8, true, "rx_pause_frames" },
118 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
119 8, true, "rx_mac_ctrl_frames" },
120 { STATS_OFFSET32(nig_timer_max),
121 4, true, "rx_constant_pause_events" },
122 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
123 4, false, "rx_phy_ip_err_discards"},
124 { STATS_OFFSET32(rx_skb_alloc_failed),
125 4, false, "rx_skb_alloc_discard" },
126 { STATS_OFFSET32(hw_csum_err),
127 4, false, "rx_csum_offload_errors" },
128 { STATS_OFFSET32(driver_xoff),
129 4, false, "tx_exhaustion_events" },
130 { STATS_OFFSET32(total_bytes_transmitted_hi),
131 8, false, "tx_bytes" },
132 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
133 8, true, "tx_error_bytes" },
134 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
135 8, false, "tx_ucast_packets" },
136 { STATS_OFFSET32(total_multicast_packets_transmitted_hi),
137 8, false, "tx_mcast_packets" },
138 { STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
139 8, false, "tx_bcast_packets" },
140 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
141 8, true, "tx_mac_errors" },
142 { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
143 8, true, "tx_carrier_errors" },
144 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
145 8, true, "tx_single_collisions" },
146 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
147 8, true, "tx_multi_collisions" },
148 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
149 8, true, "tx_deferred" },
150 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
151 8, true, "tx_excess_collisions" },
152 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
153 8, true, "tx_late_collisions" },
154 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
155 8, true, "tx_total_collisions" },
156 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
157 8, true, "tx_64_byte_packets" },
158 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
159 8, true, "tx_65_to_127_byte_packets" },
160 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
161 8, true, "tx_128_to_255_byte_packets" },
162 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
163 8, true, "tx_256_to_511_byte_packets" },
164 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
165 8, true, "tx_512_to_1023_byte_packets" },
166 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
167 8, true, "tx_1024_to_1522_byte_packets" },
168 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
169 8, true, "tx_1523_to_9022_byte_packets" },
170 { STATS_OFFSET32(pause_frames_sent_hi),
171 8, true, "tx_pause_frames" },
172 { STATS_OFFSET32(total_tpa_aggregations_hi),
173 8, false, "tpa_aggregations" },
174 { STATS_OFFSET32(total_tpa_aggregated_frames_hi),
175 8, false, "tpa_aggregated_frames"},
176 { STATS_OFFSET32(total_tpa_bytes_hi),
177 8, false, "tpa_bytes"},
178 { STATS_OFFSET32(recoverable_error),
179 4, false, "recoverable_errors" },
180 { STATS_OFFSET32(unrecoverable_error),
181 4, false, "unrecoverable_errors" },
182 { STATS_OFFSET32(driver_filtered_tx_pkt),
183 4, false, "driver_filtered_tx_pkt" },
184 { STATS_OFFSET32(eee_tx_lpi),
185 4, true, "Tx LPI entry count"},
186 { STATS_OFFSET32(ptp_skip_tx_ts),
187 4, false, "ptp_skipped_tx_tstamp" },
188 };
189
190 #define BNX2X_NUM_STATS ARRAY_SIZE(bnx2x_stats_arr)
191
192 static int bnx2x_get_port_type(struct bnx2x *bp)
193 {
194 int port_type;
195 u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
196 switch (bp->link_params.phy[phy_idx].media_type) {
197 case ETH_PHY_SFPP_10G_FIBER:
198 case ETH_PHY_SFP_1G_FIBER:
199 case ETH_PHY_XFP_FIBER:
200 case ETH_PHY_KR:
201 case ETH_PHY_CX4:
202 port_type = PORT_FIBRE;
203 break;
204 case ETH_PHY_DA_TWINAX:
205 port_type = PORT_DA;
206 break;
207 case ETH_PHY_BASE_T:
208 port_type = PORT_TP;
209 break;
210 case ETH_PHY_NOT_PRESENT:
211 port_type = PORT_NONE;
212 break;
213 case ETH_PHY_UNSPECIFIED:
214 default:
215 port_type = PORT_OTHER;
216 break;
217 }
218 return port_type;
219 }
220
221 static int bnx2x_get_vf_link_ksettings(struct net_device *dev,
222 struct ethtool_link_ksettings *cmd)
223 {
224 struct bnx2x *bp = netdev_priv(dev);
225 u32 supported, advertising;
226
227 ethtool_convert_link_mode_to_legacy_u32(&supported,
228 cmd->link_modes.supported);
229 ethtool_convert_link_mode_to_legacy_u32(&advertising,
230 cmd->link_modes.advertising);
231
232 if (bp->state == BNX2X_STATE_OPEN) {
233 if (test_bit(BNX2X_LINK_REPORT_FD,
234 &bp->vf_link_vars.link_report_flags))
235 cmd->base.duplex = DUPLEX_FULL;
236 else
237 cmd->base.duplex = DUPLEX_HALF;
238
239 cmd->base.speed = bp->vf_link_vars.line_speed;
240 } else {
241 cmd->base.duplex = DUPLEX_UNKNOWN;
242 cmd->base.speed = SPEED_UNKNOWN;
243 }
244
245 cmd->base.port = PORT_OTHER;
246 cmd->base.phy_address = 0;
247 cmd->base.autoneg = AUTONEG_DISABLE;
248
249 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
250 " supported 0x%x advertising 0x%x speed %u\n"
251 " duplex %d port %d phy_address %d\n"
252 " autoneg %d\n",
253 cmd->base.cmd, supported, advertising,
254 cmd->base.speed,
255 cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
256 cmd->base.autoneg);
257
258 return 0;
259 }
260
261 static int bnx2x_get_link_ksettings(struct net_device *dev,
262 struct ethtool_link_ksettings *cmd)
263 {
264 struct bnx2x *bp = netdev_priv(dev);
265 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
266 u32 media_type;
267 u32 supported, advertising, lp_advertising;
268
269 ethtool_convert_link_mode_to_legacy_u32(&lp_advertising,
270 cmd->link_modes.lp_advertising);
271
272 /* Dual Media boards present all available port types */
273 supported = bp->port.supported[cfg_idx] |
274 (bp->port.supported[cfg_idx ^ 1] &
275 (SUPPORTED_TP | SUPPORTED_FIBRE));
276 advertising = bp->port.advertising[cfg_idx];
277 media_type = bp->link_params.phy[bnx2x_get_cur_phy_idx(bp)].media_type;
278 if (media_type == ETH_PHY_SFP_1G_FIBER) {
279 supported &= ~(SUPPORTED_10000baseT_Full);
280 advertising &= ~(ADVERTISED_10000baseT_Full);
281 }
282
283 if ((bp->state == BNX2X_STATE_OPEN) && bp->link_vars.link_up &&
284 !(bp->flags & MF_FUNC_DIS)) {
285 cmd->base.duplex = bp->link_vars.duplex;
286
287 if (IS_MF(bp) && !BP_NOMCP(bp))
288 cmd->base.speed = bnx2x_get_mf_speed(bp);
289 else
290 cmd->base.speed = bp->link_vars.line_speed;
291 } else {
292 cmd->base.duplex = DUPLEX_UNKNOWN;
293 cmd->base.speed = SPEED_UNKNOWN;
294 }
295
296 cmd->base.port = bnx2x_get_port_type(bp);
297
298 cmd->base.phy_address = bp->mdio.prtad;
299
300 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
301 cmd->base.autoneg = AUTONEG_ENABLE;
302 else
303 cmd->base.autoneg = AUTONEG_DISABLE;
304
305 /* Publish LP advertised speeds and FC */
306 if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
307 u32 status = bp->link_vars.link_status;
308
309 lp_advertising |= ADVERTISED_Autoneg;
310 if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE)
311 lp_advertising |= ADVERTISED_Pause;
312 if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
313 lp_advertising |= ADVERTISED_Asym_Pause;
314
315 if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE)
316 lp_advertising |= ADVERTISED_10baseT_Half;
317 if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE)
318 lp_advertising |= ADVERTISED_10baseT_Full;
319 if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE)
320 lp_advertising |= ADVERTISED_100baseT_Half;
321 if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE)
322 lp_advertising |= ADVERTISED_100baseT_Full;
323 if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE)
324 lp_advertising |= ADVERTISED_1000baseT_Half;
325 if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE) {
326 if (media_type == ETH_PHY_KR) {
327 lp_advertising |=
328 ADVERTISED_1000baseKX_Full;
329 } else {
330 lp_advertising |=
331 ADVERTISED_1000baseT_Full;
332 }
333 }
334 if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE)
335 lp_advertising |= ADVERTISED_2500baseX_Full;
336 if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE) {
337 if (media_type == ETH_PHY_KR) {
338 lp_advertising |=
339 ADVERTISED_10000baseKR_Full;
340 } else {
341 lp_advertising |=
342 ADVERTISED_10000baseT_Full;
343 }
344 }
345 if (status & LINK_STATUS_LINK_PARTNER_20GXFD_CAPABLE)
346 lp_advertising |= ADVERTISED_20000baseKR2_Full;
347 }
348
349 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
350 supported);
351 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
352 advertising);
353 ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.lp_advertising,
354 lp_advertising);
355
356 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
357 " supported 0x%x advertising 0x%x speed %u\n"
358 " duplex %d port %d phy_address %d\n"
359 " autoneg %d\n",
360 cmd->base.cmd, supported, advertising,
361 cmd->base.speed,
362 cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
363 cmd->base.autoneg);
364
365 return 0;
366 }
367
368 static int bnx2x_set_link_ksettings(struct net_device *dev,
369 const struct ethtool_link_ksettings *cmd)
370 {
371 struct bnx2x *bp = netdev_priv(dev);
372 u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
373 u32 speed, phy_idx;
374 u32 supported;
375 u8 duplex = cmd->base.duplex;
376
377 ethtool_convert_link_mode_to_legacy_u32(&supported,
378 cmd->link_modes.supported);
379 ethtool_convert_link_mode_to_legacy_u32(&advertising,
380 cmd->link_modes.advertising);
381
382 if (IS_MF_SD(bp))
383 return 0;
384
385 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
386 " supported 0x%x advertising 0x%x speed %u\n"
387 " duplex %d port %d phy_address %d\n"
388 " autoneg %d\n",
389 cmd->base.cmd, supported, advertising,
390 cmd->base.speed,
391 cmd->base.duplex, cmd->base.port, cmd->base.phy_address,
392 cmd->base.autoneg);
393
394 speed = cmd->base.speed;
395
396 /* If received a request for an unknown duplex, assume full*/
397 if (duplex == DUPLEX_UNKNOWN)
398 duplex = DUPLEX_FULL;
399
400 if (IS_MF_SI(bp)) {
401 u32 part;
402 u32 line_speed = bp->link_vars.line_speed;
403
404 /* use 10G if no link detected */
405 if (!line_speed)
406 line_speed = 10000;
407
408 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
409 DP(BNX2X_MSG_ETHTOOL,
410 "To set speed BC %X or higher is required, please upgrade BC\n",
411 REQ_BC_VER_4_SET_MF_BW);
412 return -EINVAL;
413 }
414
415 part = (speed * 100) / line_speed;
416
417 if (line_speed < speed || !part) {
418 DP(BNX2X_MSG_ETHTOOL,
419 "Speed setting should be in a range from 1%% to 100%% of actual line speed\n");
420 return -EINVAL;
421 }
422
423 if (bp->state != BNX2X_STATE_OPEN)
424 /* store value for following "load" */
425 bp->pending_max = part;
426 else
427 bnx2x_update_max_mf_config(bp, part);
428
429 return 0;
430 }
431
432 cfg_idx = bnx2x_get_link_cfg_idx(bp);
433 old_multi_phy_config = bp->link_params.multi_phy_config;
434 if (cmd->base.port != bnx2x_get_port_type(bp)) {
435 switch (cmd->base.port) {
436 case PORT_TP:
437 if (!(bp->port.supported[0] & SUPPORTED_TP ||
438 bp->port.supported[1] & SUPPORTED_TP)) {
439 DP(BNX2X_MSG_ETHTOOL,
440 "Unsupported port type\n");
441 return -EINVAL;
442 }
443 bp->link_params.multi_phy_config &=
444 ~PORT_HW_CFG_PHY_SELECTION_MASK;
445 if (bp->link_params.multi_phy_config &
446 PORT_HW_CFG_PHY_SWAPPED_ENABLED)
447 bp->link_params.multi_phy_config |=
448 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
449 else
450 bp->link_params.multi_phy_config |=
451 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
452 break;
453 case PORT_FIBRE:
454 case PORT_DA:
455 case PORT_NONE:
456 if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
457 bp->port.supported[1] & SUPPORTED_FIBRE)) {
458 DP(BNX2X_MSG_ETHTOOL,
459 "Unsupported port type\n");
460 return -EINVAL;
461 }
462 bp->link_params.multi_phy_config &=
463 ~PORT_HW_CFG_PHY_SELECTION_MASK;
464 if (bp->link_params.multi_phy_config &
465 PORT_HW_CFG_PHY_SWAPPED_ENABLED)
466 bp->link_params.multi_phy_config |=
467 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
468 else
469 bp->link_params.multi_phy_config |=
470 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
471 break;
472 default:
473 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
474 return -EINVAL;
475 }
476 }
477 /* Save new config in case command complete successfully */
478 new_multi_phy_config = bp->link_params.multi_phy_config;
479 /* Get the new cfg_idx */
480 cfg_idx = bnx2x_get_link_cfg_idx(bp);
481 /* Restore old config in case command failed */
482 bp->link_params.multi_phy_config = old_multi_phy_config;
483 DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx);
484
485 if (cmd->base.autoneg == AUTONEG_ENABLE) {
486 u32 an_supported_speed = bp->port.supported[cfg_idx];
487 if (bp->link_params.phy[EXT_PHY1].type ==
488 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
489 an_supported_speed |= (SUPPORTED_100baseT_Half |
490 SUPPORTED_100baseT_Full);
491 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
492 DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n");
493 return -EINVAL;
494 }
495
496 /* advertise the requested speed and duplex if supported */
497 if (advertising & ~an_supported_speed) {
498 DP(BNX2X_MSG_ETHTOOL,
499 "Advertisement parameters are not supported\n");
500 return -EINVAL;
501 }
502
503 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
504 bp->link_params.req_duplex[cfg_idx] = duplex;
505 bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
506 advertising);
507 if (advertising) {
508
509 bp->link_params.speed_cap_mask[cfg_idx] = 0;
510 if (advertising & ADVERTISED_10baseT_Half) {
511 bp->link_params.speed_cap_mask[cfg_idx] |=
512 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
513 }
514 if (advertising & ADVERTISED_10baseT_Full)
515 bp->link_params.speed_cap_mask[cfg_idx] |=
516 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
517
518 if (advertising & ADVERTISED_100baseT_Full)
519 bp->link_params.speed_cap_mask[cfg_idx] |=
520 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
521
522 if (advertising & ADVERTISED_100baseT_Half) {
523 bp->link_params.speed_cap_mask[cfg_idx] |=
524 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
525 }
526 if (advertising & ADVERTISED_1000baseT_Half) {
527 bp->link_params.speed_cap_mask[cfg_idx] |=
528 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
529 }
530 if (advertising & (ADVERTISED_1000baseT_Full |
531 ADVERTISED_1000baseKX_Full))
532 bp->link_params.speed_cap_mask[cfg_idx] |=
533 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
534
535 if (advertising & (ADVERTISED_10000baseT_Full |
536 ADVERTISED_10000baseKX4_Full |
537 ADVERTISED_10000baseKR_Full))
538 bp->link_params.speed_cap_mask[cfg_idx] |=
539 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
540
541 if (advertising & ADVERTISED_20000baseKR2_Full)
542 bp->link_params.speed_cap_mask[cfg_idx] |=
543 PORT_HW_CFG_SPEED_CAPABILITY_D0_20G;
544 }
545 } else { /* forced speed */
546 /* advertise the requested speed and duplex if supported */
547 switch (speed) {
548 case SPEED_10:
549 if (duplex == DUPLEX_FULL) {
550 if (!(bp->port.supported[cfg_idx] &
551 SUPPORTED_10baseT_Full)) {
552 DP(BNX2X_MSG_ETHTOOL,
553 "10M full not supported\n");
554 return -EINVAL;
555 }
556
557 advertising = (ADVERTISED_10baseT_Full |
558 ADVERTISED_TP);
559 } else {
560 if (!(bp->port.supported[cfg_idx] &
561 SUPPORTED_10baseT_Half)) {
562 DP(BNX2X_MSG_ETHTOOL,
563 "10M half not supported\n");
564 return -EINVAL;
565 }
566
567 advertising = (ADVERTISED_10baseT_Half |
568 ADVERTISED_TP);
569 }
570 break;
571
572 case SPEED_100:
573 if (duplex == DUPLEX_FULL) {
574 if (!(bp->port.supported[cfg_idx] &
575 SUPPORTED_100baseT_Full)) {
576 DP(BNX2X_MSG_ETHTOOL,
577 "100M full not supported\n");
578 return -EINVAL;
579 }
580
581 advertising = (ADVERTISED_100baseT_Full |
582 ADVERTISED_TP);
583 } else {
584 if (!(bp->port.supported[cfg_idx] &
585 SUPPORTED_100baseT_Half)) {
586 DP(BNX2X_MSG_ETHTOOL,
587 "100M half not supported\n");
588 return -EINVAL;
589 }
590
591 advertising = (ADVERTISED_100baseT_Half |
592 ADVERTISED_TP);
593 }
594 break;
595
596 case SPEED_1000:
597 if (duplex != DUPLEX_FULL) {
598 DP(BNX2X_MSG_ETHTOOL,
599 "1G half not supported\n");
600 return -EINVAL;
601 }
602
603 if (bp->port.supported[cfg_idx] &
604 SUPPORTED_1000baseT_Full) {
605 advertising = (ADVERTISED_1000baseT_Full |
606 ADVERTISED_TP);
607
608 } else if (bp->port.supported[cfg_idx] &
609 SUPPORTED_1000baseKX_Full) {
610 advertising = ADVERTISED_1000baseKX_Full;
611 } else {
612 DP(BNX2X_MSG_ETHTOOL,
613 "1G full not supported\n");
614 return -EINVAL;
615 }
616
617 break;
618
619 case SPEED_2500:
620 if (duplex != DUPLEX_FULL) {
621 DP(BNX2X_MSG_ETHTOOL,
622 "2.5G half not supported\n");
623 return -EINVAL;
624 }
625
626 if (!(bp->port.supported[cfg_idx]
627 & SUPPORTED_2500baseX_Full)) {
628 DP(BNX2X_MSG_ETHTOOL,
629 "2.5G full not supported\n");
630 return -EINVAL;
631 }
632
633 advertising = (ADVERTISED_2500baseX_Full |
634 ADVERTISED_TP);
635 break;
636
637 case SPEED_10000:
638 if (duplex != DUPLEX_FULL) {
639 DP(BNX2X_MSG_ETHTOOL,
640 "10G half not supported\n");
641 return -EINVAL;
642 }
643 phy_idx = bnx2x_get_cur_phy_idx(bp);
644 if ((bp->port.supported[cfg_idx] &
645 SUPPORTED_10000baseT_Full) &&
646 (bp->link_params.phy[phy_idx].media_type !=
647 ETH_PHY_SFP_1G_FIBER)) {
648 advertising = (ADVERTISED_10000baseT_Full |
649 ADVERTISED_FIBRE);
650 } else if (bp->port.supported[cfg_idx] &
651 SUPPORTED_10000baseKR_Full) {
652 advertising = (ADVERTISED_10000baseKR_Full |
653 ADVERTISED_FIBRE);
654 } else {
655 DP(BNX2X_MSG_ETHTOOL,
656 "10G full not supported\n");
657 return -EINVAL;
658 }
659
660 break;
661
662 default:
663 DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed);
664 return -EINVAL;
665 }
666
667 bp->link_params.req_line_speed[cfg_idx] = speed;
668 bp->link_params.req_duplex[cfg_idx] = duplex;
669 bp->port.advertising[cfg_idx] = advertising;
670 }
671
672 DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n"
673 " req_duplex %d advertising 0x%x\n",
674 bp->link_params.req_line_speed[cfg_idx],
675 bp->link_params.req_duplex[cfg_idx],
676 bp->port.advertising[cfg_idx]);
677
678 /* Set new config */
679 bp->link_params.multi_phy_config = new_multi_phy_config;
680 if (netif_running(dev)) {
681 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
682 bnx2x_force_link_reset(bp);
683 bnx2x_link_set(bp);
684 }
685
686 return 0;
687 }
688
689 #define DUMP_ALL_PRESETS 0x1FFF
690 #define DUMP_MAX_PRESETS 13
691
692 static int __bnx2x_get_preset_regs_len(struct bnx2x *bp, u32 preset)
693 {
694 if (CHIP_IS_E1(bp))
695 return dump_num_registers[0][preset-1];
696 else if (CHIP_IS_E1H(bp))
697 return dump_num_registers[1][preset-1];
698 else if (CHIP_IS_E2(bp))
699 return dump_num_registers[2][preset-1];
700 else if (CHIP_IS_E3A0(bp))
701 return dump_num_registers[3][preset-1];
702 else if (CHIP_IS_E3B0(bp))
703 return dump_num_registers[4][preset-1];
704 else
705 return 0;
706 }
707
708 static int __bnx2x_get_regs_len(struct bnx2x *bp)
709 {
710 u32 preset_idx;
711 int regdump_len = 0;
712
713 /* Calculate the total preset regs length */
714 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++)
715 regdump_len += __bnx2x_get_preset_regs_len(bp, preset_idx);
716
717 return regdump_len;
718 }
719
720 static int bnx2x_get_regs_len(struct net_device *dev)
721 {
722 struct bnx2x *bp = netdev_priv(dev);
723 int regdump_len = 0;
724
725 if (IS_VF(bp))
726 return 0;
727
728 regdump_len = __bnx2x_get_regs_len(bp);
729 regdump_len *= 4;
730 regdump_len += sizeof(struct dump_header);
731
732 return regdump_len;
733 }
734
735 #define IS_E1_REG(chips) ((chips & DUMP_CHIP_E1) == DUMP_CHIP_E1)
736 #define IS_E1H_REG(chips) ((chips & DUMP_CHIP_E1H) == DUMP_CHIP_E1H)
737 #define IS_E2_REG(chips) ((chips & DUMP_CHIP_E2) == DUMP_CHIP_E2)
738 #define IS_E3A0_REG(chips) ((chips & DUMP_CHIP_E3A0) == DUMP_CHIP_E3A0)
739 #define IS_E3B0_REG(chips) ((chips & DUMP_CHIP_E3B0) == DUMP_CHIP_E3B0)
740
741 #define IS_REG_IN_PRESET(presets, idx) \
742 ((presets & (1 << (idx-1))) == (1 << (idx-1)))
743
744 /******* Paged registers info selectors ********/
745 static const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
746 {
747 if (CHIP_IS_E2(bp))
748 return page_vals_e2;
749 else if (CHIP_IS_E3(bp))
750 return page_vals_e3;
751 else
752 return NULL;
753 }
754
755 static u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
756 {
757 if (CHIP_IS_E2(bp))
758 return PAGE_MODE_VALUES_E2;
759 else if (CHIP_IS_E3(bp))
760 return PAGE_MODE_VALUES_E3;
761 else
762 return 0;
763 }
764
765 static const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
766 {
767 if (CHIP_IS_E2(bp))
768 return page_write_regs_e2;
769 else if (CHIP_IS_E3(bp))
770 return page_write_regs_e3;
771 else
772 return NULL;
773 }
774
775 static u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
776 {
777 if (CHIP_IS_E2(bp))
778 return PAGE_WRITE_REGS_E2;
779 else if (CHIP_IS_E3(bp))
780 return PAGE_WRITE_REGS_E3;
781 else
782 return 0;
783 }
784
785 static const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
786 {
787 if (CHIP_IS_E2(bp))
788 return page_read_regs_e2;
789 else if (CHIP_IS_E3(bp))
790 return page_read_regs_e3;
791 else
792 return NULL;
793 }
794
795 static u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
796 {
797 if (CHIP_IS_E2(bp))
798 return PAGE_READ_REGS_E2;
799 else if (CHIP_IS_E3(bp))
800 return PAGE_READ_REGS_E3;
801 else
802 return 0;
803 }
804
805 static bool bnx2x_is_reg_in_chip(struct bnx2x *bp,
806 const struct reg_addr *reg_info)
807 {
808 if (CHIP_IS_E1(bp))
809 return IS_E1_REG(reg_info->chips);
810 else if (CHIP_IS_E1H(bp))
811 return IS_E1H_REG(reg_info->chips);
812 else if (CHIP_IS_E2(bp))
813 return IS_E2_REG(reg_info->chips);
814 else if (CHIP_IS_E3A0(bp))
815 return IS_E3A0_REG(reg_info->chips);
816 else if (CHIP_IS_E3B0(bp))
817 return IS_E3B0_REG(reg_info->chips);
818 else
819 return false;
820 }
821
822 static bool bnx2x_is_wreg_in_chip(struct bnx2x *bp,
823 const struct wreg_addr *wreg_info)
824 {
825 if (CHIP_IS_E1(bp))
826 return IS_E1_REG(wreg_info->chips);
827 else if (CHIP_IS_E1H(bp))
828 return IS_E1H_REG(wreg_info->chips);
829 else if (CHIP_IS_E2(bp))
830 return IS_E2_REG(wreg_info->chips);
831 else if (CHIP_IS_E3A0(bp))
832 return IS_E3A0_REG(wreg_info->chips);
833 else if (CHIP_IS_E3B0(bp))
834 return IS_E3B0_REG(wreg_info->chips);
835 else
836 return false;
837 }
838
839 /**
840 * bnx2x_read_pages_regs - read "paged" registers
841 *
842 * @bp device handle
843 * @p output buffer
844 *
845 * Reads "paged" memories: memories that may only be read by first writing to a
846 * specific address ("write address") and then reading from a specific address
847 * ("read address"). There may be more than one write address per "page" and
848 * more than one read address per write address.
849 */
850 static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset)
851 {
852 u32 i, j, k, n;
853
854 /* addresses of the paged registers */
855 const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
856 /* number of paged registers */
857 int num_pages = __bnx2x_get_page_reg_num(bp);
858 /* write addresses */
859 const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
860 /* number of write addresses */
861 int write_num = __bnx2x_get_page_write_num(bp);
862 /* read addresses info */
863 const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
864 /* number of read addresses */
865 int read_num = __bnx2x_get_page_read_num(bp);
866 u32 addr, size;
867
868 for (i = 0; i < num_pages; i++) {
869 for (j = 0; j < write_num; j++) {
870 REG_WR(bp, write_addr[j], page_addr[i]);
871
872 for (k = 0; k < read_num; k++) {
873 if (IS_REG_IN_PRESET(read_addr[k].presets,
874 preset)) {
875 size = read_addr[k].size;
876 for (n = 0; n < size; n++) {
877 addr = read_addr[k].addr + n*4;
878 *p++ = REG_RD(bp, addr);
879 }
880 }
881 }
882 }
883 }
884 }
885
886 static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset)
887 {
888 u32 i, j, addr;
889 const struct wreg_addr *wreg_addr_p = NULL;
890
891 if (CHIP_IS_E1(bp))
892 wreg_addr_p = &wreg_addr_e1;
893 else if (CHIP_IS_E1H(bp))
894 wreg_addr_p = &wreg_addr_e1h;
895 else if (CHIP_IS_E2(bp))
896 wreg_addr_p = &wreg_addr_e2;
897 else if (CHIP_IS_E3A0(bp))
898 wreg_addr_p = &wreg_addr_e3;
899 else if (CHIP_IS_E3B0(bp))
900 wreg_addr_p = &wreg_addr_e3b0;
901
902 /* Read the idle_chk registers */
903 for (i = 0; i < IDLE_REGS_COUNT; i++) {
904 if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) &&
905 IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) {
906 for (j = 0; j < idle_reg_addrs[i].size; j++)
907 *p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4);
908 }
909 }
910
911 /* Read the regular registers */
912 for (i = 0; i < REGS_COUNT; i++) {
913 if (bnx2x_is_reg_in_chip(bp, &reg_addrs[i]) &&
914 IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) {
915 for (j = 0; j < reg_addrs[i].size; j++)
916 *p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
917 }
918 }
919
920 /* Read the CAM registers */
921 if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) &&
922 IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) {
923 for (i = 0; i < wreg_addr_p->size; i++) {
924 *p++ = REG_RD(bp, wreg_addr_p->addr + i*4);
925
926 /* In case of wreg_addr register, read additional
927 registers from read_regs array
928 */
929 for (j = 0; j < wreg_addr_p->read_regs_count; j++) {
930 addr = *(wreg_addr_p->read_regs);
931 *p++ = REG_RD(bp, addr + j*4);
932 }
933 }
934 }
935
936 /* Paged registers are supported in E2 & E3 only */
937 if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) {
938 /* Read "paged" registers */
939 bnx2x_read_pages_regs(bp, p, preset);
940 }
941
942 return 0;
943 }
944
945 static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
946 {
947 u32 preset_idx;
948
949 /* Read all registers, by reading all preset registers */
950 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) {
951 /* Skip presets with IOR */
952 if ((preset_idx == 2) ||
953 (preset_idx == 5) ||
954 (preset_idx == 8) ||
955 (preset_idx == 11))
956 continue;
957 __bnx2x_get_preset_regs(bp, p, preset_idx);
958 p += __bnx2x_get_preset_regs_len(bp, preset_idx);
959 }
960 }
961
962 static void bnx2x_get_regs(struct net_device *dev,
963 struct ethtool_regs *regs, void *_p)
964 {
965 u32 *p = _p;
966 struct bnx2x *bp = netdev_priv(dev);
967 struct dump_header dump_hdr = {0};
968
969 regs->version = 2;
970 memset(p, 0, regs->len);
971
972 if (!netif_running(bp->dev))
973 return;
974
975 /* Disable parity attentions as long as following dump may
976 * cause false alarms by reading never written registers. We
977 * will re-enable parity attentions right after the dump.
978 */
979
980 bnx2x_disable_blocks_parity(bp);
981
982 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
983 dump_hdr.preset = DUMP_ALL_PRESETS;
984 dump_hdr.version = BNX2X_DUMP_VERSION;
985
986 /* dump_meta_data presents OR of CHIP and PATH. */
987 if (CHIP_IS_E1(bp)) {
988 dump_hdr.dump_meta_data = DUMP_CHIP_E1;
989 } else if (CHIP_IS_E1H(bp)) {
990 dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
991 } else if (CHIP_IS_E2(bp)) {
992 dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
993 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
994 } else if (CHIP_IS_E3A0(bp)) {
995 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
996 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
997 } else if (CHIP_IS_E3B0(bp)) {
998 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
999 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1000 }
1001
1002 memcpy(p, &dump_hdr, sizeof(struct dump_header));
1003 p += dump_hdr.header_size + 1;
1004
1005 /* This isn't really an error, but since attention handling is going
1006 * to print the GRC timeouts using this macro, we use the same.
1007 */
1008 BNX2X_ERR("Generating register dump. Might trigger harmless GRC timeouts\n");
1009
1010 /* Actually read the registers */
1011 __bnx2x_get_regs(bp, p);
1012
1013 /* Re-enable parity attentions */
1014 bnx2x_clear_blocks_parity(bp);
1015 bnx2x_enable_blocks_parity(bp);
1016 }
1017
1018 static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset)
1019 {
1020 struct bnx2x *bp = netdev_priv(dev);
1021 int regdump_len = 0;
1022
1023 regdump_len = __bnx2x_get_preset_regs_len(bp, preset);
1024 regdump_len *= 4;
1025 regdump_len += sizeof(struct dump_header);
1026
1027 return regdump_len;
1028 }
1029
1030 static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val)
1031 {
1032 struct bnx2x *bp = netdev_priv(dev);
1033
1034 /* Use the ethtool_dump "flag" field as the dump preset index */
1035 if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS)
1036 return -EINVAL;
1037
1038 bp->dump_preset_idx = val->flag;
1039 return 0;
1040 }
1041
1042 static int bnx2x_get_dump_flag(struct net_device *dev,
1043 struct ethtool_dump *dump)
1044 {
1045 struct bnx2x *bp = netdev_priv(dev);
1046
1047 dump->version = BNX2X_DUMP_VERSION;
1048 dump->flag = bp->dump_preset_idx;
1049 /* Calculate the requested preset idx length */
1050 dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx);
1051 DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n",
1052 bp->dump_preset_idx, dump->len);
1053 return 0;
1054 }
1055
1056 static int bnx2x_get_dump_data(struct net_device *dev,
1057 struct ethtool_dump *dump,
1058 void *buffer)
1059 {
1060 u32 *p = buffer;
1061 struct bnx2x *bp = netdev_priv(dev);
1062 struct dump_header dump_hdr = {0};
1063
1064 /* Disable parity attentions as long as following dump may
1065 * cause false alarms by reading never written registers. We
1066 * will re-enable parity attentions right after the dump.
1067 */
1068
1069 bnx2x_disable_blocks_parity(bp);
1070
1071 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
1072 dump_hdr.preset = bp->dump_preset_idx;
1073 dump_hdr.version = BNX2X_DUMP_VERSION;
1074
1075 DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset);
1076
1077 /* dump_meta_data presents OR of CHIP and PATH. */
1078 if (CHIP_IS_E1(bp)) {
1079 dump_hdr.dump_meta_data = DUMP_CHIP_E1;
1080 } else if (CHIP_IS_E1H(bp)) {
1081 dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
1082 } else if (CHIP_IS_E2(bp)) {
1083 dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
1084 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1085 } else if (CHIP_IS_E3A0(bp)) {
1086 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
1087 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1088 } else if (CHIP_IS_E3B0(bp)) {
1089 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
1090 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1091 }
1092
1093 memcpy(p, &dump_hdr, sizeof(struct dump_header));
1094 p += dump_hdr.header_size + 1;
1095
1096 /* Actually read the registers */
1097 __bnx2x_get_preset_regs(bp, p, dump_hdr.preset);
1098
1099 /* Re-enable parity attentions */
1100 bnx2x_clear_blocks_parity(bp);
1101 bnx2x_enable_blocks_parity(bp);
1102
1103 return 0;
1104 }
1105
1106 static void bnx2x_get_drvinfo(struct net_device *dev,
1107 struct ethtool_drvinfo *info)
1108 {
1109 struct bnx2x *bp = netdev_priv(dev);
1110 char version[ETHTOOL_FWVERS_LEN];
1111 int ext_dev_info_offset;
1112 u32 mbi;
1113
1114 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1115 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
1116
1117 memset(version, 0, sizeof(version));
1118 snprintf(version, ETHTOOL_FWVERS_LEN, " storm %d.%d.%d.%d",
1119 BCM_5710_FW_MAJOR_VERSION, BCM_5710_FW_MINOR_VERSION,
1120 BCM_5710_FW_REVISION_VERSION, BCM_5710_FW_ENGINEERING_VERSION);
1121 strlcat(info->version, version, sizeof(info->version));
1122
1123 if (SHMEM2_HAS(bp, extended_dev_info_shared_addr)) {
1124 ext_dev_info_offset = SHMEM2_RD(bp,
1125 extended_dev_info_shared_addr);
1126 mbi = REG_RD(bp, ext_dev_info_offset +
1127 offsetof(struct extended_dev_info_shared_cfg,
1128 mbi_version));
1129 if (mbi) {
1130 memset(version, 0, sizeof(version));
1131 snprintf(version, ETHTOOL_FWVERS_LEN, "mbi %d.%d.%d ",
1132 (mbi & 0xff000000) >> 24,
1133 (mbi & 0x00ff0000) >> 16,
1134 (mbi & 0x0000ff00) >> 8);
1135 strlcpy(info->fw_version, version,
1136 sizeof(info->fw_version));
1137 }
1138 }
1139
1140 memset(version, 0, sizeof(version));
1141 bnx2x_fill_fw_str(bp, version, ETHTOOL_FWVERS_LEN);
1142 strlcat(info->fw_version, version, sizeof(info->fw_version));
1143
1144 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1145 }
1146
1147 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1148 {
1149 struct bnx2x *bp = netdev_priv(dev);
1150
1151 if (bp->flags & NO_WOL_FLAG) {
1152 wol->supported = 0;
1153 wol->wolopts = 0;
1154 } else {
1155 wol->supported = WAKE_MAGIC;
1156 if (bp->wol)
1157 wol->wolopts = WAKE_MAGIC;
1158 else
1159 wol->wolopts = 0;
1160 }
1161 memset(&wol->sopass, 0, sizeof(wol->sopass));
1162 }
1163
1164 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1165 {
1166 struct bnx2x *bp = netdev_priv(dev);
1167
1168 if (wol->wolopts & ~WAKE_MAGIC) {
1169 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1170 return -EINVAL;
1171 }
1172
1173 if (wol->wolopts & WAKE_MAGIC) {
1174 if (bp->flags & NO_WOL_FLAG) {
1175 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1176 return -EINVAL;
1177 }
1178 bp->wol = 1;
1179 } else
1180 bp->wol = 0;
1181
1182 if (SHMEM2_HAS(bp, curr_cfg))
1183 SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS);
1184
1185 return 0;
1186 }
1187
1188 static u32 bnx2x_get_msglevel(struct net_device *dev)
1189 {
1190 struct bnx2x *bp = netdev_priv(dev);
1191
1192 return bp->msg_enable;
1193 }
1194
1195 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
1196 {
1197 struct bnx2x *bp = netdev_priv(dev);
1198
1199 if (capable(CAP_NET_ADMIN)) {
1200 /* dump MCP trace */
1201 if (IS_PF(bp) && (level & BNX2X_MSG_MCP))
1202 bnx2x_fw_dump_lvl(bp, KERN_INFO);
1203 bp->msg_enable = level;
1204 }
1205 }
1206
1207 static int bnx2x_nway_reset(struct net_device *dev)
1208 {
1209 struct bnx2x *bp = netdev_priv(dev);
1210
1211 if (!bp->port.pmf)
1212 return 0;
1213
1214 if (netif_running(dev)) {
1215 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1216 bnx2x_force_link_reset(bp);
1217 bnx2x_link_set(bp);
1218 }
1219
1220 return 0;
1221 }
1222
1223 static u32 bnx2x_get_link(struct net_device *dev)
1224 {
1225 struct bnx2x *bp = netdev_priv(dev);
1226
1227 if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
1228 return 0;
1229
1230 if (IS_VF(bp))
1231 return !test_bit(BNX2X_LINK_REPORT_LINK_DOWN,
1232 &bp->vf_link_vars.link_report_flags);
1233
1234 return bp->link_vars.link_up;
1235 }
1236
1237 static int bnx2x_get_eeprom_len(struct net_device *dev)
1238 {
1239 struct bnx2x *bp = netdev_priv(dev);
1240
1241 return bp->common.flash_size;
1242 }
1243
1244 /* Per pf misc lock must be acquired before the per port mcp lock. Otherwise,
1245 * had we done things the other way around, if two pfs from the same port would
1246 * attempt to access nvram at the same time, we could run into a scenario such
1247 * as:
1248 * pf A takes the port lock.
1249 * pf B succeeds in taking the same lock since they are from the same port.
1250 * pf A takes the per pf misc lock. Performs eeprom access.
1251 * pf A finishes. Unlocks the per pf misc lock.
1252 * Pf B takes the lock and proceeds to perform it's own access.
1253 * pf A unlocks the per port lock, while pf B is still working (!).
1254 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
1255 * access corrupted by pf B)
1256 */
1257 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
1258 {
1259 int port = BP_PORT(bp);
1260 int count, i;
1261 u32 val;
1262
1263 /* acquire HW lock: protect against other PFs in PF Direct Assignment */
1264 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1265
1266 /* adjust timeout for emulation/FPGA */
1267 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1268 if (CHIP_REV_IS_SLOW(bp))
1269 count *= 100;
1270
1271 /* request access to nvram interface */
1272 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1273 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
1274
1275 for (i = 0; i < count*10; i++) {
1276 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1277 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
1278 break;
1279
1280 udelay(5);
1281 }
1282
1283 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
1284 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1285 "cannot get access to nvram interface\n");
1286 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1287 return -EBUSY;
1288 }
1289
1290 return 0;
1291 }
1292
1293 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
1294 {
1295 int port = BP_PORT(bp);
1296 int count, i;
1297 u32 val;
1298
1299 /* adjust timeout for emulation/FPGA */
1300 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1301 if (CHIP_REV_IS_SLOW(bp))
1302 count *= 100;
1303
1304 /* relinquish nvram interface */
1305 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1306 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
1307
1308 for (i = 0; i < count*10; i++) {
1309 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1310 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
1311 break;
1312
1313 udelay(5);
1314 }
1315
1316 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
1317 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1318 "cannot free access to nvram interface\n");
1319 return -EBUSY;
1320 }
1321
1322 /* release HW lock: protect against other PFs in PF Direct Assignment */
1323 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1324 return 0;
1325 }
1326
1327 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
1328 {
1329 u32 val;
1330
1331 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1332
1333 /* enable both bits, even on read */
1334 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1335 (val | MCPR_NVM_ACCESS_ENABLE_EN |
1336 MCPR_NVM_ACCESS_ENABLE_WR_EN));
1337 }
1338
1339 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
1340 {
1341 u32 val;
1342
1343 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1344
1345 /* disable both bits, even after read */
1346 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1347 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
1348 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
1349 }
1350
1351 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
1352 u32 cmd_flags)
1353 {
1354 int count, i, rc;
1355 u32 val;
1356
1357 /* build the command word */
1358 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
1359
1360 /* need to clear DONE bit separately */
1361 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1362
1363 /* address of the NVRAM to read from */
1364 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1365 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1366
1367 /* issue a read command */
1368 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1369
1370 /* adjust timeout for emulation/FPGA */
1371 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1372 if (CHIP_REV_IS_SLOW(bp))
1373 count *= 100;
1374
1375 /* wait for completion */
1376 *ret_val = 0;
1377 rc = -EBUSY;
1378 for (i = 0; i < count; i++) {
1379 udelay(5);
1380 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1381
1382 if (val & MCPR_NVM_COMMAND_DONE) {
1383 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
1384 /* we read nvram data in cpu order
1385 * but ethtool sees it as an array of bytes
1386 * converting to big-endian will do the work
1387 */
1388 *ret_val = cpu_to_be32(val);
1389 rc = 0;
1390 break;
1391 }
1392 }
1393 if (rc == -EBUSY)
1394 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1395 "nvram read timeout expired\n");
1396 return rc;
1397 }
1398
1399 int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1400 int buf_size)
1401 {
1402 int rc;
1403 u32 cmd_flags;
1404 __be32 val;
1405
1406 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1407 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1408 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
1409 offset, buf_size);
1410 return -EINVAL;
1411 }
1412
1413 if (offset + buf_size > bp->common.flash_size) {
1414 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1415 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1416 offset, buf_size, bp->common.flash_size);
1417 return -EINVAL;
1418 }
1419
1420 /* request access to nvram interface */
1421 rc = bnx2x_acquire_nvram_lock(bp);
1422 if (rc)
1423 return rc;
1424
1425 /* enable access to nvram interface */
1426 bnx2x_enable_nvram_access(bp);
1427
1428 /* read the first word(s) */
1429 cmd_flags = MCPR_NVM_COMMAND_FIRST;
1430 while ((buf_size > sizeof(u32)) && (rc == 0)) {
1431 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1432 memcpy(ret_buf, &val, 4);
1433
1434 /* advance to the next dword */
1435 offset += sizeof(u32);
1436 ret_buf += sizeof(u32);
1437 buf_size -= sizeof(u32);
1438 cmd_flags = 0;
1439 }
1440
1441 if (rc == 0) {
1442 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1443 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1444 memcpy(ret_buf, &val, 4);
1445 }
1446
1447 /* disable access to nvram interface */
1448 bnx2x_disable_nvram_access(bp);
1449 bnx2x_release_nvram_lock(bp);
1450
1451 return rc;
1452 }
1453
1454 static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf,
1455 int buf_size)
1456 {
1457 int rc;
1458
1459 rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size);
1460
1461 if (!rc) {
1462 __be32 *be = (__be32 *)buf;
1463
1464 while ((buf_size -= 4) >= 0)
1465 *buf++ = be32_to_cpu(*be++);
1466 }
1467
1468 return rc;
1469 }
1470
1471 static bool bnx2x_is_nvm_accessible(struct bnx2x *bp)
1472 {
1473 int rc = 1;
1474 u16 pm = 0;
1475 struct net_device *dev = pci_get_drvdata(bp->pdev);
1476
1477 if (bp->pdev->pm_cap)
1478 rc = pci_read_config_word(bp->pdev,
1479 bp->pdev->pm_cap + PCI_PM_CTRL, &pm);
1480
1481 if ((rc && !netif_running(dev)) ||
1482 (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0)))
1483 return false;
1484
1485 return true;
1486 }
1487
1488 static int bnx2x_get_eeprom(struct net_device *dev,
1489 struct ethtool_eeprom *eeprom, u8 *eebuf)
1490 {
1491 struct bnx2x *bp = netdev_priv(dev);
1492
1493 if (!bnx2x_is_nvm_accessible(bp)) {
1494 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1495 "cannot access eeprom when the interface is down\n");
1496 return -EAGAIN;
1497 }
1498
1499 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1500 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
1501 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1502 eeprom->len, eeprom->len);
1503
1504 /* parameters already validated in ethtool_get_eeprom */
1505
1506 return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
1507 }
1508
1509 static int bnx2x_get_module_eeprom(struct net_device *dev,
1510 struct ethtool_eeprom *ee,
1511 u8 *data)
1512 {
1513 struct bnx2x *bp = netdev_priv(dev);
1514 int rc = -EINVAL, phy_idx;
1515 u8 *user_data = data;
1516 unsigned int start_addr = ee->offset, xfer_size = 0;
1517
1518 if (!bnx2x_is_nvm_accessible(bp)) {
1519 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1520 "cannot access eeprom when the interface is down\n");
1521 return -EAGAIN;
1522 }
1523
1524 phy_idx = bnx2x_get_cur_phy_idx(bp);
1525
1526 /* Read A0 section */
1527 if (start_addr < ETH_MODULE_SFF_8079_LEN) {
1528 /* Limit transfer size to the A0 section boundary */
1529 if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN)
1530 xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr;
1531 else
1532 xfer_size = ee->len;
1533 bnx2x_acquire_phy_lock(bp);
1534 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1535 &bp->link_params,
1536 I2C_DEV_ADDR_A0,
1537 start_addr,
1538 xfer_size,
1539 user_data);
1540 bnx2x_release_phy_lock(bp);
1541 if (rc) {
1542 DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n");
1543
1544 return -EINVAL;
1545 }
1546 user_data += xfer_size;
1547 start_addr += xfer_size;
1548 }
1549
1550 /* Read A2 section */
1551 if ((start_addr >= ETH_MODULE_SFF_8079_LEN) &&
1552 (start_addr < ETH_MODULE_SFF_8472_LEN)) {
1553 xfer_size = ee->len - xfer_size;
1554 /* Limit transfer size to the A2 section boundary */
1555 if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN)
1556 xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr;
1557 start_addr -= ETH_MODULE_SFF_8079_LEN;
1558 bnx2x_acquire_phy_lock(bp);
1559 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1560 &bp->link_params,
1561 I2C_DEV_ADDR_A2,
1562 start_addr,
1563 xfer_size,
1564 user_data);
1565 bnx2x_release_phy_lock(bp);
1566 if (rc) {
1567 DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n");
1568 return -EINVAL;
1569 }
1570 }
1571 return rc;
1572 }
1573
1574 static int bnx2x_get_module_info(struct net_device *dev,
1575 struct ethtool_modinfo *modinfo)
1576 {
1577 struct bnx2x *bp = netdev_priv(dev);
1578 int phy_idx, rc;
1579 u8 sff8472_comp, diag_type;
1580
1581 if (!bnx2x_is_nvm_accessible(bp)) {
1582 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1583 "cannot access eeprom when the interface is down\n");
1584 return -EAGAIN;
1585 }
1586 phy_idx = bnx2x_get_cur_phy_idx(bp);
1587 bnx2x_acquire_phy_lock(bp);
1588 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1589 &bp->link_params,
1590 I2C_DEV_ADDR_A0,
1591 SFP_EEPROM_SFF_8472_COMP_ADDR,
1592 SFP_EEPROM_SFF_8472_COMP_SIZE,
1593 &sff8472_comp);
1594 bnx2x_release_phy_lock(bp);
1595 if (rc) {
1596 DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n");
1597 return -EINVAL;
1598 }
1599
1600 bnx2x_acquire_phy_lock(bp);
1601 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1602 &bp->link_params,
1603 I2C_DEV_ADDR_A0,
1604 SFP_EEPROM_DIAG_TYPE_ADDR,
1605 SFP_EEPROM_DIAG_TYPE_SIZE,
1606 &diag_type);
1607 bnx2x_release_phy_lock(bp);
1608 if (rc) {
1609 DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n");
1610 return -EINVAL;
1611 }
1612
1613 if (!sff8472_comp ||
1614 (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ) ||
1615 !(diag_type & SFP_EEPROM_DDM_IMPLEMENTED)) {
1616 modinfo->type = ETH_MODULE_SFF_8079;
1617 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
1618 } else {
1619 modinfo->type = ETH_MODULE_SFF_8472;
1620 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1621 }
1622 return 0;
1623 }
1624
1625 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
1626 u32 cmd_flags)
1627 {
1628 int count, i, rc;
1629
1630 /* build the command word */
1631 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
1632
1633 /* need to clear DONE bit separately */
1634 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1635
1636 /* write the data */
1637 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
1638
1639 /* address of the NVRAM to write to */
1640 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1641 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1642
1643 /* issue the write command */
1644 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1645
1646 /* adjust timeout for emulation/FPGA */
1647 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1648 if (CHIP_REV_IS_SLOW(bp))
1649 count *= 100;
1650
1651 /* wait for completion */
1652 rc = -EBUSY;
1653 for (i = 0; i < count; i++) {
1654 udelay(5);
1655 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1656 if (val & MCPR_NVM_COMMAND_DONE) {
1657 rc = 0;
1658 break;
1659 }
1660 }
1661
1662 if (rc == -EBUSY)
1663 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1664 "nvram write timeout expired\n");
1665 return rc;
1666 }
1667
1668 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
1669
1670 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
1671 int buf_size)
1672 {
1673 int rc;
1674 u32 cmd_flags, align_offset, val;
1675 __be32 val_be;
1676
1677 if (offset + buf_size > bp->common.flash_size) {
1678 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1679 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1680 offset, buf_size, bp->common.flash_size);
1681 return -EINVAL;
1682 }
1683
1684 /* request access to nvram interface */
1685 rc = bnx2x_acquire_nvram_lock(bp);
1686 if (rc)
1687 return rc;
1688
1689 /* enable access to nvram interface */
1690 bnx2x_enable_nvram_access(bp);
1691
1692 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1693 align_offset = (offset & ~0x03);
1694 rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags);
1695
1696 if (rc == 0) {
1697 /* nvram data is returned as an array of bytes
1698 * convert it back to cpu order
1699 */
1700 val = be32_to_cpu(val_be);
1701
1702 val &= ~le32_to_cpu((__force __le32)
1703 (0xff << BYTE_OFFSET(offset)));
1704 val |= le32_to_cpu((__force __le32)
1705 (*data_buf << BYTE_OFFSET(offset)));
1706
1707 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1708 cmd_flags);
1709 }
1710
1711 /* disable access to nvram interface */
1712 bnx2x_disable_nvram_access(bp);
1713 bnx2x_release_nvram_lock(bp);
1714
1715 return rc;
1716 }
1717
1718 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1719 int buf_size)
1720 {
1721 int rc;
1722 u32 cmd_flags;
1723 u32 val;
1724 u32 written_so_far;
1725
1726 if (buf_size == 1) /* ethtool */
1727 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1728
1729 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1730 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1731 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
1732 offset, buf_size);
1733 return -EINVAL;
1734 }
1735
1736 if (offset + buf_size > bp->common.flash_size) {
1737 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1738 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1739 offset, buf_size, bp->common.flash_size);
1740 return -EINVAL;
1741 }
1742
1743 /* request access to nvram interface */
1744 rc = bnx2x_acquire_nvram_lock(bp);
1745 if (rc)
1746 return rc;
1747
1748 /* enable access to nvram interface */
1749 bnx2x_enable_nvram_access(bp);
1750
1751 written_so_far = 0;
1752 cmd_flags = MCPR_NVM_COMMAND_FIRST;
1753 while ((written_so_far < buf_size) && (rc == 0)) {
1754 if (written_so_far == (buf_size - sizeof(u32)))
1755 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1756 else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1757 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1758 else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1759 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1760
1761 memcpy(&val, data_buf, 4);
1762
1763 /* Notice unlike bnx2x_nvram_read_dword() this will not
1764 * change val using be32_to_cpu(), which causes data to flip
1765 * if the eeprom is read and then written back. This is due
1766 * to tools utilizing this functionality that would break
1767 * if this would be resolved.
1768 */
1769 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1770
1771 /* advance to the next dword */
1772 offset += sizeof(u32);
1773 data_buf += sizeof(u32);
1774 written_so_far += sizeof(u32);
1775
1776 /* At end of each 4Kb page, release nvram lock to allow MFW
1777 * chance to take it for its own use.
1778 */
1779 if ((cmd_flags & MCPR_NVM_COMMAND_LAST) &&
1780 (written_so_far < buf_size)) {
1781 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1782 "Releasing NVM lock after offset 0x%x\n",
1783 (u32)(offset - sizeof(u32)));
1784 bnx2x_release_nvram_lock(bp);
1785 usleep_range(1000, 2000);
1786 rc = bnx2x_acquire_nvram_lock(bp);
1787 if (rc)
1788 return rc;
1789 }
1790
1791 cmd_flags = 0;
1792 }
1793
1794 /* disable access to nvram interface */
1795 bnx2x_disable_nvram_access(bp);
1796 bnx2x_release_nvram_lock(bp);
1797
1798 return rc;
1799 }
1800
1801 static int bnx2x_set_eeprom(struct net_device *dev,
1802 struct ethtool_eeprom *eeprom, u8 *eebuf)
1803 {
1804 struct bnx2x *bp = netdev_priv(dev);
1805 int port = BP_PORT(bp);
1806 int rc = 0;
1807 u32 ext_phy_config;
1808
1809 if (!bnx2x_is_nvm_accessible(bp)) {
1810 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1811 "cannot access eeprom when the interface is down\n");
1812 return -EAGAIN;
1813 }
1814
1815 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1816 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
1817 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1818 eeprom->len, eeprom->len);
1819
1820 /* parameters already validated in ethtool_set_eeprom */
1821
1822 /* PHY eeprom can be accessed only by the PMF */
1823 if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1824 !bp->port.pmf) {
1825 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1826 "wrong magic or interface is not pmf\n");
1827 return -EINVAL;
1828 }
1829
1830 ext_phy_config =
1831 SHMEM_RD(bp,
1832 dev_info.port_hw_config[port].external_phy_config);
1833
1834 if (eeprom->magic == 0x50485950) {
1835 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1836 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1837
1838 bnx2x_acquire_phy_lock(bp);
1839 rc |= bnx2x_link_reset(&bp->link_params,
1840 &bp->link_vars, 0);
1841 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1842 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1843 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1844 MISC_REGISTERS_GPIO_HIGH, port);
1845 bnx2x_release_phy_lock(bp);
1846 bnx2x_link_report(bp);
1847
1848 } else if (eeprom->magic == 0x50485952) {
1849 /* 'PHYR' (0x50485952): re-init link after FW upgrade */
1850 if (bp->state == BNX2X_STATE_OPEN) {
1851 bnx2x_acquire_phy_lock(bp);
1852 rc |= bnx2x_link_reset(&bp->link_params,
1853 &bp->link_vars, 1);
1854
1855 rc |= bnx2x_phy_init(&bp->link_params,
1856 &bp->link_vars);
1857 bnx2x_release_phy_lock(bp);
1858 bnx2x_calc_fc_adv(bp);
1859 }
1860 } else if (eeprom->magic == 0x53985943) {
1861 /* 'PHYC' (0x53985943): PHY FW upgrade completed */
1862 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1863 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1864
1865 /* DSP Remove Download Mode */
1866 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1867 MISC_REGISTERS_GPIO_LOW, port);
1868
1869 bnx2x_acquire_phy_lock(bp);
1870
1871 bnx2x_sfx7101_sp_sw_reset(bp,
1872 &bp->link_params.phy[EXT_PHY1]);
1873
1874 /* wait 0.5 sec to allow it to run */
1875 msleep(500);
1876 bnx2x_ext_phy_hw_reset(bp, port);
1877 msleep(500);
1878 bnx2x_release_phy_lock(bp);
1879 }
1880 } else
1881 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1882
1883 return rc;
1884 }
1885
1886 static int bnx2x_get_coalesce(struct net_device *dev,
1887 struct ethtool_coalesce *coal)
1888 {
1889 struct bnx2x *bp = netdev_priv(dev);
1890
1891 memset(coal, 0, sizeof(struct ethtool_coalesce));
1892
1893 coal->rx_coalesce_usecs = bp->rx_ticks;
1894 coal->tx_coalesce_usecs = bp->tx_ticks;
1895
1896 return 0;
1897 }
1898
1899 static int bnx2x_set_coalesce(struct net_device *dev,
1900 struct ethtool_coalesce *coal)
1901 {
1902 struct bnx2x *bp = netdev_priv(dev);
1903
1904 bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1905 if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1906 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1907
1908 bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1909 if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1910 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1911
1912 if (netif_running(dev))
1913 bnx2x_update_coalesce(bp);
1914
1915 return 0;
1916 }
1917
1918 static void bnx2x_get_ringparam(struct net_device *dev,
1919 struct ethtool_ringparam *ering)
1920 {
1921 struct bnx2x *bp = netdev_priv(dev);
1922
1923 ering->rx_max_pending = MAX_RX_AVAIL;
1924
1925 /* If size isn't already set, we give an estimation of the number
1926 * of buffers we'll have. We're neglecting some possible conditions
1927 * [we couldn't know for certain at this point if number of queues
1928 * might shrink] but the number would be correct for the likely
1929 * scenario.
1930 */
1931 if (bp->rx_ring_size)
1932 ering->rx_pending = bp->rx_ring_size;
1933 else if (BNX2X_NUM_RX_QUEUES(bp))
1934 ering->rx_pending = MAX_RX_AVAIL / BNX2X_NUM_RX_QUEUES(bp);
1935 else
1936 ering->rx_pending = MAX_RX_AVAIL;
1937
1938 ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
1939 ering->tx_pending = bp->tx_ring_size;
1940 }
1941
1942 static int bnx2x_set_ringparam(struct net_device *dev,
1943 struct ethtool_ringparam *ering)
1944 {
1945 struct bnx2x *bp = netdev_priv(dev);
1946
1947 DP(BNX2X_MSG_ETHTOOL,
1948 "set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
1949 ering->rx_pending, ering->tx_pending);
1950
1951 if (pci_num_vf(bp->pdev)) {
1952 DP(BNX2X_MSG_IOV,
1953 "VFs are enabled, can not change ring parameters\n");
1954 return -EPERM;
1955 }
1956
1957 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1958 DP(BNX2X_MSG_ETHTOOL,
1959 "Handling parity error recovery. Try again later\n");
1960 return -EAGAIN;
1961 }
1962
1963 if ((ering->rx_pending > MAX_RX_AVAIL) ||
1964 (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1965 MIN_RX_SIZE_TPA)) ||
1966 (ering->tx_pending > (IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL)) ||
1967 (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
1968 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
1969 return -EINVAL;
1970 }
1971
1972 bp->rx_ring_size = ering->rx_pending;
1973 bp->tx_ring_size = ering->tx_pending;
1974
1975 return bnx2x_reload_if_running(dev);
1976 }
1977
1978 static void bnx2x_get_pauseparam(struct net_device *dev,
1979 struct ethtool_pauseparam *epause)
1980 {
1981 struct bnx2x *bp = netdev_priv(dev);
1982 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1983 int cfg_reg;
1984
1985 epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1986 BNX2X_FLOW_CTRL_AUTO);
1987
1988 if (!epause->autoneg)
1989 cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx];
1990 else
1991 cfg_reg = bp->link_params.req_fc_auto_adv;
1992
1993 epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
1994 BNX2X_FLOW_CTRL_RX);
1995 epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
1996 BNX2X_FLOW_CTRL_TX);
1997
1998 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1999 " autoneg %d rx_pause %d tx_pause %d\n",
2000 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
2001 }
2002
2003 static int bnx2x_set_pauseparam(struct net_device *dev,
2004 struct ethtool_pauseparam *epause)
2005 {
2006 struct bnx2x *bp = netdev_priv(dev);
2007 u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
2008 if (IS_MF(bp))
2009 return 0;
2010
2011 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
2012 " autoneg %d rx_pause %d tx_pause %d\n",
2013 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
2014
2015 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
2016
2017 if (epause->rx_pause)
2018 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
2019
2020 if (epause->tx_pause)
2021 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
2022
2023 if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
2024 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
2025
2026 if (epause->autoneg) {
2027 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
2028 DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n");
2029 return -EINVAL;
2030 }
2031
2032 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
2033 bp->link_params.req_flow_ctrl[cfg_idx] =
2034 BNX2X_FLOW_CTRL_AUTO;
2035 }
2036 bp->link_params.req_fc_auto_adv = 0;
2037 if (epause->rx_pause)
2038 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX;
2039
2040 if (epause->tx_pause)
2041 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX;
2042
2043 if (!bp->link_params.req_fc_auto_adv)
2044 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE;
2045 }
2046
2047 DP(BNX2X_MSG_ETHTOOL,
2048 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
2049
2050 if (netif_running(dev)) {
2051 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2052 bnx2x_force_link_reset(bp);
2053 bnx2x_link_set(bp);
2054 }
2055
2056 return 0;
2057 }
2058
2059 static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = {
2060 "register_test (offline) ",
2061 "memory_test (offline) ",
2062 "int_loopback_test (offline)",
2063 "ext_loopback_test (offline)",
2064 "nvram_test (online) ",
2065 "interrupt_test (online) ",
2066 "link_test (online) "
2067 };
2068
2069 enum {
2070 BNX2X_PRI_FLAG_ISCSI,
2071 BNX2X_PRI_FLAG_FCOE,
2072 BNX2X_PRI_FLAG_STORAGE,
2073 BNX2X_PRI_FLAG_LEN,
2074 };
2075
2076 static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
2077 "iSCSI offload support",
2078 "FCoE offload support",
2079 "Storage only interface"
2080 };
2081
2082 static u32 bnx2x_eee_to_adv(u32 eee_adv)
2083 {
2084 u32 modes = 0;
2085
2086 if (eee_adv & SHMEM_EEE_100M_ADV)
2087 modes |= ADVERTISED_100baseT_Full;
2088 if (eee_adv & SHMEM_EEE_1G_ADV)
2089 modes |= ADVERTISED_1000baseT_Full;
2090 if (eee_adv & SHMEM_EEE_10G_ADV)
2091 modes |= ADVERTISED_10000baseT_Full;
2092
2093 return modes;
2094 }
2095
2096 static u32 bnx2x_adv_to_eee(u32 modes, u32 shift)
2097 {
2098 u32 eee_adv = 0;
2099 if (modes & ADVERTISED_100baseT_Full)
2100 eee_adv |= SHMEM_EEE_100M_ADV;
2101 if (modes & ADVERTISED_1000baseT_Full)
2102 eee_adv |= SHMEM_EEE_1G_ADV;
2103 if (modes & ADVERTISED_10000baseT_Full)
2104 eee_adv |= SHMEM_EEE_10G_ADV;
2105
2106 return eee_adv << shift;
2107 }
2108
2109 static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2110 {
2111 struct bnx2x *bp = netdev_priv(dev);
2112 u32 eee_cfg;
2113
2114 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2115 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2116 return -EOPNOTSUPP;
2117 }
2118
2119 eee_cfg = bp->link_vars.eee_status;
2120
2121 edata->supported =
2122 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
2123 SHMEM_EEE_SUPPORTED_SHIFT);
2124
2125 edata->advertised =
2126 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
2127 SHMEM_EEE_ADV_STATUS_SHIFT);
2128 edata->lp_advertised =
2129 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
2130 SHMEM_EEE_LP_ADV_STATUS_SHIFT);
2131
2132 /* SHMEM value is in 16u units --> Convert to 1u units. */
2133 edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4;
2134
2135 edata->eee_enabled = (eee_cfg & SHMEM_EEE_REQUESTED_BIT) ? 1 : 0;
2136 edata->eee_active = (eee_cfg & SHMEM_EEE_ACTIVE_BIT) ? 1 : 0;
2137 edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0;
2138
2139 return 0;
2140 }
2141
2142 static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2143 {
2144 struct bnx2x *bp = netdev_priv(dev);
2145 u32 eee_cfg;
2146 u32 advertised;
2147
2148 if (IS_MF(bp))
2149 return 0;
2150
2151 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2152 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2153 return -EOPNOTSUPP;
2154 }
2155
2156 eee_cfg = bp->link_vars.eee_status;
2157
2158 if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) {
2159 DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n");
2160 return -EOPNOTSUPP;
2161 }
2162
2163 advertised = bnx2x_adv_to_eee(edata->advertised,
2164 SHMEM_EEE_ADV_STATUS_SHIFT);
2165 if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) {
2166 DP(BNX2X_MSG_ETHTOOL,
2167 "Direct manipulation of EEE advertisement is not supported\n");
2168 return -EINVAL;
2169 }
2170
2171 if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) {
2172 DP(BNX2X_MSG_ETHTOOL,
2173 "Maximal Tx Lpi timer supported is %x(u)\n",
2174 EEE_MODE_TIMER_MASK);
2175 return -EINVAL;
2176 }
2177 if (edata->tx_lpi_enabled &&
2178 (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) {
2179 DP(BNX2X_MSG_ETHTOOL,
2180 "Minimal Tx Lpi timer supported is %d(u)\n",
2181 EEE_MODE_NVRAM_AGGRESSIVE_TIME);
2182 return -EINVAL;
2183 }
2184
2185 /* All is well; Apply changes*/
2186 if (edata->eee_enabled)
2187 bp->link_params.eee_mode |= EEE_MODE_ADV_LPI;
2188 else
2189 bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI;
2190
2191 if (edata->tx_lpi_enabled)
2192 bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI;
2193 else
2194 bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI;
2195
2196 bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK;
2197 bp->link_params.eee_mode |= (edata->tx_lpi_timer &
2198 EEE_MODE_TIMER_MASK) |
2199 EEE_MODE_OVERRIDE_NVRAM |
2200 EEE_MODE_OUTPUT_TIME;
2201
2202 /* Restart link to propagate changes */
2203 if (netif_running(dev)) {
2204 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2205 bnx2x_force_link_reset(bp);
2206 bnx2x_link_set(bp);
2207 }
2208
2209 return 0;
2210 }
2211
2212 enum {
2213 BNX2X_CHIP_E1_OFST = 0,
2214 BNX2X_CHIP_E1H_OFST,
2215 BNX2X_CHIP_E2_OFST,
2216 BNX2X_CHIP_E3_OFST,
2217 BNX2X_CHIP_E3B0_OFST,
2218 BNX2X_CHIP_MAX_OFST
2219 };
2220
2221 #define BNX2X_CHIP_MASK_E1 (1 << BNX2X_CHIP_E1_OFST)
2222 #define BNX2X_CHIP_MASK_E1H (1 << BNX2X_CHIP_E1H_OFST)
2223 #define BNX2X_CHIP_MASK_E2 (1 << BNX2X_CHIP_E2_OFST)
2224 #define BNX2X_CHIP_MASK_E3 (1 << BNX2X_CHIP_E3_OFST)
2225 #define BNX2X_CHIP_MASK_E3B0 (1 << BNX2X_CHIP_E3B0_OFST)
2226
2227 #define BNX2X_CHIP_MASK_ALL ((1 << BNX2X_CHIP_MAX_OFST) - 1)
2228 #define BNX2X_CHIP_MASK_E1X (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
2229
2230 static int bnx2x_test_registers(struct bnx2x *bp)
2231 {
2232 int idx, i, rc = -ENODEV;
2233 u32 wr_val = 0, hw;
2234 int port = BP_PORT(bp);
2235 static const struct {
2236 u32 hw;
2237 u32 offset0;
2238 u32 offset1;
2239 u32 mask;
2240 } reg_tbl[] = {
2241 /* 0 */ { BNX2X_CHIP_MASK_ALL,
2242 BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
2243 { BNX2X_CHIP_MASK_ALL,
2244 DORQ_REG_DB_ADDR0, 4, 0xffffffff },
2245 { BNX2X_CHIP_MASK_E1X,
2246 HC_REG_AGG_INT_0, 4, 0x000003ff },
2247 { BNX2X_CHIP_MASK_ALL,
2248 PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
2249 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
2250 PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
2251 { BNX2X_CHIP_MASK_E3B0,
2252 PBF_REG_INIT_CRD_Q0, 4, 0x000007ff },
2253 { BNX2X_CHIP_MASK_ALL,
2254 PRS_REG_CID_PORT_0, 4, 0x00ffffff },
2255 { BNX2X_CHIP_MASK_ALL,
2256 PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
2257 { BNX2X_CHIP_MASK_ALL,
2258 PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2259 { BNX2X_CHIP_MASK_ALL,
2260 PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
2261 /* 10 */ { BNX2X_CHIP_MASK_ALL,
2262 PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2263 { BNX2X_CHIP_MASK_ALL,
2264 PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
2265 { BNX2X_CHIP_MASK_ALL,
2266 QM_REG_CONNNUM_0, 4, 0x000fffff },
2267 { BNX2X_CHIP_MASK_ALL,
2268 TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
2269 { BNX2X_CHIP_MASK_ALL,
2270 SRC_REG_KEYRSS0_0, 40, 0xffffffff },
2271 { BNX2X_CHIP_MASK_ALL,
2272 SRC_REG_KEYRSS0_7, 40, 0xffffffff },
2273 { BNX2X_CHIP_MASK_ALL,
2274 XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
2275 { BNX2X_CHIP_MASK_ALL,
2276 XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
2277 { BNX2X_CHIP_MASK_ALL,
2278 XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
2279 { BNX2X_CHIP_MASK_ALL,
2280 NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
2281 /* 20 */ { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2282 NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
2283 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2284 NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
2285 { BNX2X_CHIP_MASK_ALL,
2286 NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
2287 { BNX2X_CHIP_MASK_ALL,
2288 NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
2289 { BNX2X_CHIP_MASK_ALL,
2290 NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
2291 { BNX2X_CHIP_MASK_ALL,
2292 NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
2293 { BNX2X_CHIP_MASK_ALL,
2294 NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
2295 { BNX2X_CHIP_MASK_ALL,
2296 NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
2297 { BNX2X_CHIP_MASK_ALL,
2298 NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
2299 { BNX2X_CHIP_MASK_ALL,
2300 NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
2301 /* 30 */ { BNX2X_CHIP_MASK_ALL,
2302 NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
2303 { BNX2X_CHIP_MASK_ALL,
2304 NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
2305 { BNX2X_CHIP_MASK_ALL,
2306 NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
2307 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2308 NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
2309 { BNX2X_CHIP_MASK_ALL,
2310 NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
2311 { BNX2X_CHIP_MASK_ALL,
2312 NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
2313 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2314 NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
2315 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2316 NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
2317
2318 { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
2319 };
2320
2321 if (!bnx2x_is_nvm_accessible(bp)) {
2322 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2323 "cannot access eeprom when the interface is down\n");
2324 return rc;
2325 }
2326
2327 if (CHIP_IS_E1(bp))
2328 hw = BNX2X_CHIP_MASK_E1;
2329 else if (CHIP_IS_E1H(bp))
2330 hw = BNX2X_CHIP_MASK_E1H;
2331 else if (CHIP_IS_E2(bp))
2332 hw = BNX2X_CHIP_MASK_E2;
2333 else if (CHIP_IS_E3B0(bp))
2334 hw = BNX2X_CHIP_MASK_E3B0;
2335 else /* e3 A0 */
2336 hw = BNX2X_CHIP_MASK_E3;
2337
2338 /* Repeat the test twice:
2339 * First by writing 0x00000000, second by writing 0xffffffff
2340 */
2341 for (idx = 0; idx < 2; idx++) {
2342
2343 switch (idx) {
2344 case 0:
2345 wr_val = 0;
2346 break;
2347 case 1:
2348 wr_val = 0xffffffff;
2349 break;
2350 }
2351
2352 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
2353 u32 offset, mask, save_val, val;
2354 if (!(hw & reg_tbl[i].hw))
2355 continue;
2356
2357 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
2358 mask = reg_tbl[i].mask;
2359
2360 save_val = REG_RD(bp, offset);
2361
2362 REG_WR(bp, offset, wr_val & mask);
2363
2364 val = REG_RD(bp, offset);
2365
2366 /* Restore the original register's value */
2367 REG_WR(bp, offset, save_val);
2368
2369 /* verify value is as expected */
2370 if ((val & mask) != (wr_val & mask)) {
2371 DP(BNX2X_MSG_ETHTOOL,
2372 "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
2373 offset, val, wr_val, mask);
2374 goto test_reg_exit;
2375 }
2376 }
2377 }
2378
2379 rc = 0;
2380
2381 test_reg_exit:
2382 return rc;
2383 }
2384
2385 static int bnx2x_test_memory(struct bnx2x *bp)
2386 {
2387 int i, j, rc = -ENODEV;
2388 u32 val, index;
2389 static const struct {
2390 u32 offset;
2391 int size;
2392 } mem_tbl[] = {
2393 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
2394 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
2395 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
2396 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
2397 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
2398 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
2399 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
2400
2401 { 0xffffffff, 0 }
2402 };
2403
2404 static const struct {
2405 char *name;
2406 u32 offset;
2407 u32 hw_mask[BNX2X_CHIP_MAX_OFST];
2408 } prty_tbl[] = {
2409 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS,
2410 {0x3ffc0, 0, 0, 0} },
2411 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS,
2412 {0x2, 0x2, 0, 0} },
2413 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
2414 {0, 0, 0, 0} },
2415 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS,
2416 {0x3ffc0, 0, 0, 0} },
2417 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS,
2418 {0x3ffc0, 0, 0, 0} },
2419 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS,
2420 {0x3ffc1, 0, 0, 0} },
2421
2422 { NULL, 0xffffffff, {0, 0, 0, 0} }
2423 };
2424
2425 if (!bnx2x_is_nvm_accessible(bp)) {
2426 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2427 "cannot access eeprom when the interface is down\n");
2428 return rc;
2429 }
2430
2431 if (CHIP_IS_E1(bp))
2432 index = BNX2X_CHIP_E1_OFST;
2433 else if (CHIP_IS_E1H(bp))
2434 index = BNX2X_CHIP_E1H_OFST;
2435 else if (CHIP_IS_E2(bp))
2436 index = BNX2X_CHIP_E2_OFST;
2437 else /* e3 */
2438 index = BNX2X_CHIP_E3_OFST;
2439
2440 /* pre-Check the parity status */
2441 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2442 val = REG_RD(bp, prty_tbl[i].offset);
2443 if (val & ~(prty_tbl[i].hw_mask[index])) {
2444 DP(BNX2X_MSG_ETHTOOL,
2445 "%s is 0x%x\n", prty_tbl[i].name, val);
2446 goto test_mem_exit;
2447 }
2448 }
2449
2450 /* Go through all the memories */
2451 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
2452 for (j = 0; j < mem_tbl[i].size; j++)
2453 REG_RD(bp, mem_tbl[i].offset + j*4);
2454
2455 /* Check the parity status */
2456 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2457 val = REG_RD(bp, prty_tbl[i].offset);
2458 if (val & ~(prty_tbl[i].hw_mask[index])) {
2459 DP(BNX2X_MSG_ETHTOOL,
2460 "%s is 0x%x\n", prty_tbl[i].name, val);
2461 goto test_mem_exit;
2462 }
2463 }
2464
2465 rc = 0;
2466
2467 test_mem_exit:
2468 return rc;
2469 }
2470
2471 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
2472 {
2473 int cnt = 1400;
2474
2475 if (link_up) {
2476 while (bnx2x_link_test(bp, is_serdes) && cnt--)
2477 msleep(20);
2478
2479 if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
2480 DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n");
2481
2482 cnt = 1400;
2483 while (!bp->link_vars.link_up && cnt--)
2484 msleep(20);
2485
2486 if (cnt <= 0 && !bp->link_vars.link_up)
2487 DP(BNX2X_MSG_ETHTOOL,
2488 "Timeout waiting for link init\n");
2489 }
2490 }
2491
2492 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
2493 {
2494 unsigned int pkt_size, num_pkts, i;
2495 struct sk_buff *skb;
2496 unsigned char *packet;
2497 struct bnx2x_fastpath *fp_rx = &bp->fp[0];
2498 struct bnx2x_fastpath *fp_tx = &bp->fp[0];
2499 struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0];
2500 u16 tx_start_idx, tx_idx;
2501 u16 rx_start_idx, rx_idx;
2502 u16 pkt_prod, bd_prod;
2503 struct sw_tx_bd *tx_buf;
2504 struct eth_tx_start_bd *tx_start_bd;
2505 dma_addr_t mapping;
2506 union eth_rx_cqe *cqe;
2507 u8 cqe_fp_flags, cqe_fp_type;
2508 struct sw_rx_bd *rx_buf;
2509 u16 len;
2510 int rc = -ENODEV;
2511 u8 *data;
2512 struct netdev_queue *txq = netdev_get_tx_queue(bp->dev,
2513 txdata->txq_index);
2514
2515 /* check the loopback mode */
2516 switch (loopback_mode) {
2517 case BNX2X_PHY_LOOPBACK:
2518 if (bp->link_params.loopback_mode != LOOPBACK_XGXS) {
2519 DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n");
2520 return -EINVAL;
2521 }
2522 break;
2523 case BNX2X_MAC_LOOPBACK:
2524 if (CHIP_IS_E3(bp)) {
2525 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
2526 if (bp->port.supported[cfg_idx] &
2527 (SUPPORTED_10000baseT_Full |
2528 SUPPORTED_20000baseMLD2_Full |
2529 SUPPORTED_20000baseKR2_Full))
2530 bp->link_params.loopback_mode = LOOPBACK_XMAC;
2531 else
2532 bp->link_params.loopback_mode = LOOPBACK_UMAC;
2533 } else
2534 bp->link_params.loopback_mode = LOOPBACK_BMAC;
2535
2536 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2537 break;
2538 case BNX2X_EXT_LOOPBACK:
2539 if (bp->link_params.loopback_mode != LOOPBACK_EXT) {
2540 DP(BNX2X_MSG_ETHTOOL,
2541 "Can't configure external loopback\n");
2542 return -EINVAL;
2543 }
2544 break;
2545 default:
2546 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
2547 return -EINVAL;
2548 }
2549
2550 /* prepare the loopback packet */
2551 pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
2552 bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
2553 skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
2554 if (!skb) {
2555 DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n");
2556 rc = -ENOMEM;
2557 goto test_loopback_exit;
2558 }
2559 packet = skb_put(skb, pkt_size);
2560 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
2561 eth_zero_addr(packet + ETH_ALEN);
2562 memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
2563 for (i = ETH_HLEN; i < pkt_size; i++)
2564 packet[i] = (unsigned char) (i & 0xff);
2565 mapping = dma_map_single(&bp->pdev->dev, skb->data,
2566 skb_headlen(skb), DMA_TO_DEVICE);
2567 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
2568 rc = -ENOMEM;
2569 dev_kfree_skb(skb);
2570 DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n");
2571 goto test_loopback_exit;
2572 }
2573
2574 /* send the loopback packet */
2575 num_pkts = 0;
2576 tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
2577 rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2578
2579 netdev_tx_sent_queue(txq, skb->len);
2580
2581 pkt_prod = txdata->tx_pkt_prod++;
2582 tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
2583 tx_buf->first_bd = txdata->tx_bd_prod;
2584 tx_buf->skb = skb;
2585 tx_buf->flags = 0;
2586
2587 bd_prod = TX_BD(txdata->tx_bd_prod);
2588 tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
2589 tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
2590 tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
2591 tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
2592 tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
2593 tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
2594 tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
2595 SET_FLAG(tx_start_bd->general_data,
2596 ETH_TX_START_BD_HDR_NBDS,
2597 1);
2598 SET_FLAG(tx_start_bd->general_data,
2599 ETH_TX_START_BD_PARSE_NBDS,
2600 0);
2601
2602 /* turn on parsing and get a BD */
2603 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
2604
2605 if (CHIP_IS_E1x(bp)) {
2606 u16 global_data = 0;
2607 struct eth_tx_parse_bd_e1x *pbd_e1x =
2608 &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
2609 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
2610 SET_FLAG(global_data,
2611 ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2612 pbd_e1x->global_data = cpu_to_le16(global_data);
2613 } else {
2614 u32 parsing_data = 0;
2615 struct eth_tx_parse_bd_e2 *pbd_e2 =
2616 &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
2617 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
2618 SET_FLAG(parsing_data,
2619 ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2620 pbd_e2->parsing_data = cpu_to_le32(parsing_data);
2621 }
2622 wmb();
2623
2624 txdata->tx_db.data.prod += 2;
2625 /* make sure descriptor update is observed by the HW */
2626 wmb();
2627 DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw);
2628
2629 barrier();
2630
2631 num_pkts++;
2632 txdata->tx_bd_prod += 2; /* start + pbd */
2633
2634 udelay(100);
2635
2636 tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
2637 if (tx_idx != tx_start_idx + num_pkts)
2638 goto test_loopback_exit;
2639
2640 /* Unlike HC IGU won't generate an interrupt for status block
2641 * updates that have been performed while interrupts were
2642 * disabled.
2643 */
2644 if (bp->common.int_block == INT_BLOCK_IGU) {
2645 /* Disable local BHes to prevent a dead-lock situation between
2646 * sch_direct_xmit() and bnx2x_run_loopback() (calling
2647 * bnx2x_tx_int()), as both are taking netif_tx_lock().
2648 */
2649 local_bh_disable();
2650 bnx2x_tx_int(bp, txdata);
2651 local_bh_enable();
2652 }
2653
2654 rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2655 if (rx_idx != rx_start_idx + num_pkts)
2656 goto test_loopback_exit;
2657
2658 cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
2659 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
2660 cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
2661 if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
2662 goto test_loopback_rx_exit;
2663
2664 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len);
2665 if (len != pkt_size)
2666 goto test_loopback_rx_exit;
2667
2668 rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
2669 dma_sync_single_for_cpu(&bp->pdev->dev,
2670 dma_unmap_addr(rx_buf, mapping),
2671 fp_rx->rx_buf_size, DMA_FROM_DEVICE);
2672 data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
2673 for (i = ETH_HLEN; i < pkt_size; i++)
2674 if (*(data + i) != (unsigned char) (i & 0xff))
2675 goto test_loopback_rx_exit;
2676
2677 rc = 0;
2678
2679 test_loopback_rx_exit:
2680
2681 fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
2682 fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
2683 fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
2684 fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
2685
2686 /* Update producers */
2687 bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
2688 fp_rx->rx_sge_prod);
2689
2690 test_loopback_exit:
2691 bp->link_params.loopback_mode = LOOPBACK_NONE;
2692
2693 return rc;
2694 }
2695
2696 static int bnx2x_test_loopback(struct bnx2x *bp)
2697 {
2698 int rc = 0, res;
2699
2700 if (BP_NOMCP(bp))
2701 return rc;
2702
2703 if (!netif_running(bp->dev))
2704 return BNX2X_LOOPBACK_FAILED;
2705
2706 bnx2x_netif_stop(bp, 1);
2707 bnx2x_acquire_phy_lock(bp);
2708
2709 res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
2710 if (res) {
2711 DP(BNX2X_MSG_ETHTOOL, " PHY loopback failed (res %d)\n", res);
2712 rc |= BNX2X_PHY_LOOPBACK_FAILED;
2713 }
2714
2715 res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
2716 if (res) {
2717 DP(BNX2X_MSG_ETHTOOL, " MAC loopback failed (res %d)\n", res);
2718 rc |= BNX2X_MAC_LOOPBACK_FAILED;
2719 }
2720
2721 bnx2x_release_phy_lock(bp);
2722 bnx2x_netif_start(bp);
2723
2724 return rc;
2725 }
2726
2727 static int bnx2x_test_ext_loopback(struct bnx2x *bp)
2728 {
2729 int rc;
2730 u8 is_serdes =
2731 (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2732
2733 if (BP_NOMCP(bp))
2734 return -ENODEV;
2735
2736 if (!netif_running(bp->dev))
2737 return BNX2X_EXT_LOOPBACK_FAILED;
2738
2739 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2740 rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT);
2741 if (rc) {
2742 DP(BNX2X_MSG_ETHTOOL,
2743 "Can't perform self-test, nic_load (for external lb) failed\n");
2744 return -ENODEV;
2745 }
2746 bnx2x_wait_for_link(bp, 1, is_serdes);
2747
2748 bnx2x_netif_stop(bp, 1);
2749
2750 rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK);
2751 if (rc)
2752 DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed (res %d)\n", rc);
2753
2754 bnx2x_netif_start(bp);
2755
2756 return rc;
2757 }
2758
2759 struct code_entry {
2760 u32 sram_start_addr;
2761 u32 code_attribute;
2762 #define CODE_IMAGE_TYPE_MASK 0xf0800003
2763 #define CODE_IMAGE_VNTAG_PROFILES_DATA 0xd0000003
2764 #define CODE_IMAGE_LENGTH_MASK 0x007ffffc
2765 #define CODE_IMAGE_TYPE_EXTENDED_DIR 0xe0000000
2766 u32 nvm_start_addr;
2767 };
2768
2769 #define CODE_ENTRY_MAX 16
2770 #define CODE_ENTRY_EXTENDED_DIR_IDX 15
2771 #define MAX_IMAGES_IN_EXTENDED_DIR 64
2772 #define NVRAM_DIR_OFFSET 0x14
2773
2774 #define EXTENDED_DIR_EXISTS(code) \
2775 ((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \
2776 (code & CODE_IMAGE_LENGTH_MASK) != 0)
2777
2778 #define CRC32_RESIDUAL 0xdebb20e3
2779 #define CRC_BUFF_SIZE 256
2780
2781 static int bnx2x_nvram_crc(struct bnx2x *bp,
2782 int offset,
2783 int size,
2784 u8 *buff)
2785 {
2786 u32 crc = ~0;
2787 int rc = 0, done = 0;
2788
2789 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2790 "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size);
2791
2792 while (done < size) {
2793 int count = min_t(int, size - done, CRC_BUFF_SIZE);
2794
2795 rc = bnx2x_nvram_read(bp, offset + done, buff, count);
2796
2797 if (rc)
2798 return rc;
2799
2800 crc = crc32_le(crc, buff, count);
2801 done += count;
2802 }
2803
2804 if (crc != CRC32_RESIDUAL)
2805 rc = -EINVAL;
2806
2807 return rc;
2808 }
2809
2810 static int bnx2x_test_nvram_dir(struct bnx2x *bp,
2811 struct code_entry *entry,
2812 u8 *buff)
2813 {
2814 size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK;
2815 u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK;
2816 int rc;
2817
2818 /* Zero-length images and AFEX profiles do not have CRC */
2819 if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA)
2820 return 0;
2821
2822 rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff);
2823 if (rc)
2824 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2825 "image %x has failed crc test (rc %d)\n", type, rc);
2826
2827 return rc;
2828 }
2829
2830 static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff)
2831 {
2832 int rc;
2833 struct code_entry entry;
2834
2835 rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry));
2836 if (rc)
2837 return rc;
2838
2839 return bnx2x_test_nvram_dir(bp, &entry, buff);
2840 }
2841
2842 static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff)
2843 {
2844 u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET;
2845 struct code_entry entry;
2846 int i;
2847
2848 rc = bnx2x_nvram_read32(bp,
2849 dir_offset +
2850 sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX,
2851 (u32 *)&entry, sizeof(entry));
2852 if (rc)
2853 return rc;
2854
2855 if (!EXTENDED_DIR_EXISTS(entry.code_attribute))
2856 return 0;
2857
2858 rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr,
2859 &cnt, sizeof(u32));
2860 if (rc)
2861 return rc;
2862
2863 dir_offset = entry.nvm_start_addr + 8;
2864
2865 for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) {
2866 rc = bnx2x_test_dir_entry(bp, dir_offset +
2867 sizeof(struct code_entry) * i,
2868 buff);
2869 if (rc)
2870 return rc;
2871 }
2872
2873 return 0;
2874 }
2875
2876 static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff)
2877 {
2878 u32 rc, dir_offset = NVRAM_DIR_OFFSET;
2879 int i;
2880
2881 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n");
2882
2883 for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) {
2884 rc = bnx2x_test_dir_entry(bp, dir_offset +
2885 sizeof(struct code_entry) * i,
2886 buff);
2887 if (rc)
2888 return rc;
2889 }
2890
2891 return bnx2x_test_nvram_ext_dirs(bp, buff);
2892 }
2893
2894 struct crc_pair {
2895 int offset;
2896 int size;
2897 };
2898
2899 static int bnx2x_test_nvram_tbl(struct bnx2x *bp,
2900 const struct crc_pair *nvram_tbl, u8 *buf)
2901 {
2902 int i;
2903
2904 for (i = 0; nvram_tbl[i].size; i++) {
2905 int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset,
2906 nvram_tbl[i].size, buf);
2907 if (rc) {
2908 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2909 "nvram_tbl[%d] has failed crc test (rc %d)\n",
2910 i, rc);
2911 return rc;
2912 }
2913 }
2914
2915 return 0;
2916 }
2917
2918 static int bnx2x_test_nvram(struct bnx2x *bp)
2919 {
2920 static const struct crc_pair nvram_tbl[] = {
2921 { 0, 0x14 }, /* bootstrap */
2922 { 0x14, 0xec }, /* dir */
2923 { 0x100, 0x350 }, /* manuf_info */
2924 { 0x450, 0xf0 }, /* feature_info */
2925 { 0x640, 0x64 }, /* upgrade_key_info */
2926 { 0x708, 0x70 }, /* manuf_key_info */
2927 { 0, 0 }
2928 };
2929 static const struct crc_pair nvram_tbl2[] = {
2930 { 0x7e8, 0x350 }, /* manuf_info2 */
2931 { 0xb38, 0xf0 }, /* feature_info */
2932 { 0, 0 }
2933 };
2934
2935 u8 *buf;
2936 int rc;
2937 u32 magic;
2938
2939 if (BP_NOMCP(bp))
2940 return 0;
2941
2942 buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL);
2943 if (!buf) {
2944 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
2945 rc = -ENOMEM;
2946 goto test_nvram_exit;
2947 }
2948
2949 rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic));
2950 if (rc) {
2951 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2952 "magic value read (rc %d)\n", rc);
2953 goto test_nvram_exit;
2954 }
2955
2956 if (magic != 0x669955aa) {
2957 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2958 "wrong magic value (0x%08x)\n", magic);
2959 rc = -ENODEV;
2960 goto test_nvram_exit;
2961 }
2962
2963 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n");
2964 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf);
2965 if (rc)
2966 goto test_nvram_exit;
2967
2968 if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) {
2969 u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
2970 SHARED_HW_CFG_HIDE_PORT1;
2971
2972 if (!hide) {
2973 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2974 "Port 1 CRC test-set\n");
2975 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf);
2976 if (rc)
2977 goto test_nvram_exit;
2978 }
2979 }
2980
2981 rc = bnx2x_test_nvram_dirs(bp, buf);
2982
2983 test_nvram_exit:
2984 kfree(buf);
2985 return rc;
2986 }
2987
2988 /* Send an EMPTY ramrod on the first queue */
2989 static int bnx2x_test_intr(struct bnx2x *bp)
2990 {
2991 struct bnx2x_queue_state_params params = {NULL};
2992
2993 if (!netif_running(bp->dev)) {
2994 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2995 "cannot access eeprom when the interface is down\n");
2996 return -ENODEV;
2997 }
2998
2999 params.q_obj = &bp->sp_objs->q_obj;
3000 params.cmd = BNX2X_Q_CMD_EMPTY;
3001
3002 __set_bit(RAMROD_COMP_WAIT, &params.ramrod_flags);
3003
3004 return bnx2x_queue_state_change(bp, &params);
3005 }
3006
3007 static void bnx2x_self_test(struct net_device *dev,
3008 struct ethtool_test *etest, u64 *buf)
3009 {
3010 struct bnx2x *bp = netdev_priv(dev);
3011 u8 is_serdes, link_up;
3012 int rc, cnt = 0;
3013
3014 if (pci_num_vf(bp->pdev)) {
3015 DP(BNX2X_MSG_IOV,
3016 "VFs are enabled, can not perform self test\n");
3017 return;
3018 }
3019
3020 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
3021 netdev_err(bp->dev,
3022 "Handling parity error recovery. Try again later\n");
3023 etest->flags |= ETH_TEST_FL_FAILED;
3024 return;
3025 }
3026
3027 DP(BNX2X_MSG_ETHTOOL,
3028 "Self-test command parameters: offline = %d, external_lb = %d\n",
3029 (etest->flags & ETH_TEST_FL_OFFLINE),
3030 (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2);
3031
3032 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp));
3033
3034 if (bnx2x_test_nvram(bp) != 0) {
3035 if (!IS_MF(bp))
3036 buf[4] = 1;
3037 else
3038 buf[0] = 1;
3039 etest->flags |= ETH_TEST_FL_FAILED;
3040 }
3041
3042 if (!netif_running(dev)) {
3043 DP(BNX2X_MSG_ETHTOOL, "Interface is down\n");
3044 return;
3045 }
3046
3047 is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
3048 link_up = bp->link_vars.link_up;
3049 /* offline tests are not supported in MF mode */
3050 if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) {
3051 int port = BP_PORT(bp);
3052 u32 val;
3053
3054 /* save current value of input enable for TX port IF */
3055 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
3056 /* disable input for TX port IF */
3057 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
3058
3059 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
3060 rc = bnx2x_nic_load(bp, LOAD_DIAG);
3061 if (rc) {
3062 etest->flags |= ETH_TEST_FL_FAILED;
3063 DP(BNX2X_MSG_ETHTOOL,
3064 "Can't perform self-test, nic_load (for offline) failed\n");
3065 return;
3066 }
3067
3068 /* wait until link state is restored */
3069 bnx2x_wait_for_link(bp, 1, is_serdes);
3070
3071 if (bnx2x_test_registers(bp) != 0) {
3072 buf[0] = 1;
3073 etest->flags |= ETH_TEST_FL_FAILED;
3074 }
3075 if (bnx2x_test_memory(bp) != 0) {
3076 buf[1] = 1;
3077 etest->flags |= ETH_TEST_FL_FAILED;
3078 }
3079
3080 buf[2] = bnx2x_test_loopback(bp); /* internal LB */
3081 if (buf[2] != 0)
3082 etest->flags |= ETH_TEST_FL_FAILED;
3083
3084 if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) {
3085 buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */
3086 if (buf[3] != 0)
3087 etest->flags |= ETH_TEST_FL_FAILED;
3088 etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
3089 }
3090
3091 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
3092
3093 /* restore input for TX port IF */
3094 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
3095 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
3096 if (rc) {
3097 etest->flags |= ETH_TEST_FL_FAILED;
3098 DP(BNX2X_MSG_ETHTOOL,
3099 "Can't perform self-test, nic_load (for online) failed\n");
3100 return;
3101 }
3102 /* wait until link state is restored */
3103 bnx2x_wait_for_link(bp, link_up, is_serdes);
3104 }
3105
3106 if (bnx2x_test_intr(bp) != 0) {
3107 if (!IS_MF(bp))
3108 buf[5] = 1;
3109 else
3110 buf[1] = 1;
3111 etest->flags |= ETH_TEST_FL_FAILED;
3112 }
3113
3114 if (link_up) {
3115 cnt = 100;
3116 while (bnx2x_link_test(bp, is_serdes) && --cnt)
3117 msleep(20);
3118 }
3119
3120 if (!cnt) {
3121 if (!IS_MF(bp))
3122 buf[6] = 1;
3123 else
3124 buf[2] = 1;
3125 etest->flags |= ETH_TEST_FL_FAILED;
3126 }
3127 }
3128
3129 #define IS_PORT_STAT(i) (bnx2x_stats_arr[i].is_port_stat)
3130 #define HIDE_PORT_STAT(bp) IS_VF(bp)
3131
3132 /* ethtool statistics are displayed for all regular ethernet queues and the
3133 * fcoe L2 queue if not disabled
3134 */
3135 static int bnx2x_num_stat_queues(struct bnx2x *bp)
3136 {
3137 return BNX2X_NUM_ETH_QUEUES(bp);
3138 }
3139
3140 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
3141 {
3142 struct bnx2x *bp = netdev_priv(dev);
3143 int i, num_strings = 0;
3144
3145 switch (stringset) {
3146 case ETH_SS_STATS:
3147 if (is_multi(bp)) {
3148 num_strings = bnx2x_num_stat_queues(bp) *
3149 BNX2X_NUM_Q_STATS;
3150 } else
3151 num_strings = 0;
3152 if (HIDE_PORT_STAT(bp)) {
3153 for (i = 0; i < BNX2X_NUM_STATS; i++)
3154 if (!IS_PORT_STAT(i))
3155 num_strings++;
3156 } else
3157 num_strings += BNX2X_NUM_STATS;
3158
3159 return num_strings;
3160
3161 case ETH_SS_TEST:
3162 return BNX2X_NUM_TESTS(bp);
3163
3164 case ETH_SS_PRIV_FLAGS:
3165 return BNX2X_PRI_FLAG_LEN;
3166
3167 default:
3168 return -EINVAL;
3169 }
3170 }
3171
3172 static u32 bnx2x_get_private_flags(struct net_device *dev)
3173 {
3174 struct bnx2x *bp = netdev_priv(dev);
3175 u32 flags = 0;
3176
3177 flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI;
3178 flags |= (!(bp->flags & NO_FCOE_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_FCOE;
3179 flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE;
3180
3181 return flags;
3182 }
3183
3184 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
3185 {
3186 struct bnx2x *bp = netdev_priv(dev);
3187 int i, j, k, start;
3188 char queue_name[MAX_QUEUE_NAME_LEN+1];
3189
3190 switch (stringset) {
3191 case ETH_SS_STATS:
3192 k = 0;
3193 if (is_multi(bp)) {
3194 for_each_eth_queue(bp, i) {
3195 memset(queue_name, 0, sizeof(queue_name));
3196 snprintf(queue_name, sizeof(queue_name),
3197 "%d", i);
3198 for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
3199 snprintf(buf + (k + j)*ETH_GSTRING_LEN,
3200 ETH_GSTRING_LEN,
3201 bnx2x_q_stats_arr[j].string,
3202 queue_name);
3203 k += BNX2X_NUM_Q_STATS;
3204 }
3205 }
3206
3207 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3208 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3209 continue;
3210 strcpy(buf + (k + j)*ETH_GSTRING_LEN,
3211 bnx2x_stats_arr[i].string);
3212 j++;
3213 }
3214
3215 break;
3216
3217 case ETH_SS_TEST:
3218 /* First 4 tests cannot be done in MF mode */
3219 if (!IS_MF(bp))
3220 start = 0;
3221 else
3222 start = 4;
3223 memcpy(buf, bnx2x_tests_str_arr + start,
3224 ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp));
3225 break;
3226
3227 case ETH_SS_PRIV_FLAGS:
3228 memcpy(buf, bnx2x_private_arr,
3229 ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN);
3230 break;
3231 }
3232 }
3233
3234 static void bnx2x_get_ethtool_stats(struct net_device *dev,
3235 struct ethtool_stats *stats, u64 *buf)
3236 {
3237 struct bnx2x *bp = netdev_priv(dev);
3238 u32 *hw_stats, *offset;
3239 int i, j, k = 0;
3240
3241 if (is_multi(bp)) {
3242 for_each_eth_queue(bp, i) {
3243 hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats;
3244 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
3245 if (bnx2x_q_stats_arr[j].size == 0) {
3246 /* skip this counter */
3247 buf[k + j] = 0;
3248 continue;
3249 }
3250 offset = (hw_stats +
3251 bnx2x_q_stats_arr[j].offset);
3252 if (bnx2x_q_stats_arr[j].size == 4) {
3253 /* 4-byte counter */
3254 buf[k + j] = (u64) *offset;
3255 continue;
3256 }
3257 /* 8-byte counter */
3258 buf[k + j] = HILO_U64(*offset, *(offset + 1));
3259 }
3260 k += BNX2X_NUM_Q_STATS;
3261 }
3262 }
3263
3264 hw_stats = (u32 *)&bp->eth_stats;
3265 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3266 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3267 continue;
3268 if (bnx2x_stats_arr[i].size == 0) {
3269 /* skip this counter */
3270 buf[k + j] = 0;
3271 j++;
3272 continue;
3273 }
3274 offset = (hw_stats + bnx2x_stats_arr[i].offset);
3275 if (bnx2x_stats_arr[i].size == 4) {
3276 /* 4-byte counter */
3277 buf[k + j] = (u64) *offset;
3278 j++;
3279 continue;
3280 }
3281 /* 8-byte counter */
3282 buf[k + j] = HILO_U64(*offset, *(offset + 1));
3283 j++;
3284 }
3285 }
3286
3287 static int bnx2x_set_phys_id(struct net_device *dev,
3288 enum ethtool_phys_id_state state)
3289 {
3290 struct bnx2x *bp = netdev_priv(dev);
3291
3292 if (!bnx2x_is_nvm_accessible(bp)) {
3293 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
3294 "cannot access eeprom when the interface is down\n");
3295 return -EAGAIN;
3296 }
3297
3298 switch (state) {
3299 case ETHTOOL_ID_ACTIVE:
3300 return 1; /* cycle on/off once per second */
3301
3302 case ETHTOOL_ID_ON:
3303 bnx2x_acquire_phy_lock(bp);
3304 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3305 LED_MODE_ON, SPEED_1000);
3306 bnx2x_release_phy_lock(bp);
3307 break;
3308
3309 case ETHTOOL_ID_OFF:
3310 bnx2x_acquire_phy_lock(bp);
3311 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3312 LED_MODE_FRONT_PANEL_OFF, 0);
3313 bnx2x_release_phy_lock(bp);
3314 break;
3315
3316 case ETHTOOL_ID_INACTIVE:
3317 bnx2x_acquire_phy_lock(bp);
3318 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3319 LED_MODE_OPER,
3320 bp->link_vars.line_speed);
3321 bnx2x_release_phy_lock(bp);
3322 }
3323
3324 return 0;
3325 }
3326
3327 static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3328 {
3329 switch (info->flow_type) {
3330 case TCP_V4_FLOW:
3331 case TCP_V6_FLOW:
3332 info->data = RXH_IP_SRC | RXH_IP_DST |
3333 RXH_L4_B_0_1 | RXH_L4_B_2_3;
3334 break;
3335 case UDP_V4_FLOW:
3336 if (bp->rss_conf_obj.udp_rss_v4)
3337 info->data = RXH_IP_SRC | RXH_IP_DST |
3338 RXH_L4_B_0_1 | RXH_L4_B_2_3;
3339 else
3340 info->data = RXH_IP_SRC | RXH_IP_DST;
3341 break;
3342 case UDP_V6_FLOW:
3343 if (bp->rss_conf_obj.udp_rss_v6)
3344 info->data = RXH_IP_SRC | RXH_IP_DST |
3345 RXH_L4_B_0_1 | RXH_L4_B_2_3;
3346 else
3347 info->data = RXH_IP_SRC | RXH_IP_DST;
3348 break;
3349 case IPV4_FLOW:
3350 case IPV6_FLOW:
3351 info->data = RXH_IP_SRC | RXH_IP_DST;
3352 break;
3353 default:
3354 info->data = 0;
3355 break;
3356 }
3357
3358 return 0;
3359 }
3360
3361 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
3362 u32 *rules __always_unused)
3363 {
3364 struct bnx2x *bp = netdev_priv(dev);
3365
3366 switch (info->cmd) {
3367 case ETHTOOL_GRXRINGS:
3368 info->data = BNX2X_NUM_ETH_QUEUES(bp);
3369 return 0;
3370 case ETHTOOL_GRXFH:
3371 return bnx2x_get_rss_flags(bp, info);
3372 default:
3373 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3374 return -EOPNOTSUPP;
3375 }
3376 }
3377
3378 static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3379 {
3380 int udp_rss_requested;
3381
3382 DP(BNX2X_MSG_ETHTOOL,
3383 "Set rss flags command parameters: flow type = %d, data = %llu\n",
3384 info->flow_type, info->data);
3385
3386 switch (info->flow_type) {
3387 case TCP_V4_FLOW:
3388 case TCP_V6_FLOW:
3389 /* For TCP only 4-tupple hash is supported */
3390 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
3391 RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3392 DP(BNX2X_MSG_ETHTOOL,
3393 "Command parameters not supported\n");
3394 return -EINVAL;
3395 }
3396 return 0;
3397
3398 case UDP_V4_FLOW:
3399 case UDP_V6_FLOW:
3400 /* For UDP either 2-tupple hash or 4-tupple hash is supported */
3401 if (info->data == (RXH_IP_SRC | RXH_IP_DST |
3402 RXH_L4_B_0_1 | RXH_L4_B_2_3))
3403 udp_rss_requested = 1;
3404 else if (info->data == (RXH_IP_SRC | RXH_IP_DST))
3405 udp_rss_requested = 0;
3406 else
3407 return -EINVAL;
3408
3409 if (CHIP_IS_E1x(bp) && udp_rss_requested) {
3410 DP(BNX2X_MSG_ETHTOOL,
3411 "57710, 57711 boards don't support RSS according to UDP 4-tuple\n");
3412 return -EINVAL;
3413 }
3414
3415 if ((info->flow_type == UDP_V4_FLOW) &&
3416 (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) {
3417 bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested;
3418 DP(BNX2X_MSG_ETHTOOL,
3419 "rss re-configured, UDP 4-tupple %s\n",
3420 udp_rss_requested ? "enabled" : "disabled");
3421 if (bp->state == BNX2X_STATE_OPEN)
3422 return bnx2x_rss(bp, &bp->rss_conf_obj, false,
3423 true);
3424 } else if ((info->flow_type == UDP_V6_FLOW) &&
3425 (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) {
3426 bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested;
3427 DP(BNX2X_MSG_ETHTOOL,
3428 "rss re-configured, UDP 4-tupple %s\n",
3429 udp_rss_requested ? "enabled" : "disabled");
3430 if (bp->state == BNX2X_STATE_OPEN)
3431 return bnx2x_rss(bp, &bp->rss_conf_obj, false,
3432 true);
3433 }
3434 return 0;
3435
3436 case IPV4_FLOW:
3437 case IPV6_FLOW:
3438 /* For IP only 2-tupple hash is supported */
3439 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
3440 DP(BNX2X_MSG_ETHTOOL,
3441 "Command parameters not supported\n");
3442 return -EINVAL;
3443 }
3444 return 0;
3445
3446 case SCTP_V4_FLOW:
3447 case AH_ESP_V4_FLOW:
3448 case AH_V4_FLOW:
3449 case ESP_V4_FLOW:
3450 case SCTP_V6_FLOW:
3451 case AH_ESP_V6_FLOW:
3452 case AH_V6_FLOW:
3453 case ESP_V6_FLOW:
3454 case IP_USER_FLOW:
3455 case ETHER_FLOW:
3456 /* RSS is not supported for these protocols */
3457 if (info->data) {
3458 DP(BNX2X_MSG_ETHTOOL,
3459 "Command parameters not supported\n");
3460 return -EINVAL;
3461 }
3462 return 0;
3463
3464 default:
3465 return -EINVAL;
3466 }
3467 }
3468
3469 static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
3470 {
3471 struct bnx2x *bp = netdev_priv(dev);
3472
3473 switch (info->cmd) {
3474 case ETHTOOL_SRXFH:
3475 return bnx2x_set_rss_flags(bp, info);
3476 default:
3477 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3478 return -EOPNOTSUPP;
3479 }
3480 }
3481
3482 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
3483 {
3484 return T_ETH_INDIRECTION_TABLE_SIZE;
3485 }
3486
3487 static int bnx2x_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
3488 u8 *hfunc)
3489 {
3490 struct bnx2x *bp = netdev_priv(dev);
3491 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
3492 size_t i;
3493
3494 if (hfunc)
3495 *hfunc = ETH_RSS_HASH_TOP;
3496 if (!indir)
3497 return 0;
3498
3499 /* Get the current configuration of the RSS indirection table */
3500 bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
3501
3502 /*
3503 * We can't use a memcpy() as an internal storage of an
3504 * indirection table is a u8 array while indir->ring_index
3505 * points to an array of u32.
3506 *
3507 * Indirection table contains the FW Client IDs, so we need to
3508 * align the returned table to the Client ID of the leading RSS
3509 * queue.
3510 */
3511 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
3512 indir[i] = ind_table[i] - bp->fp->cl_id;
3513
3514 return 0;
3515 }
3516
3517 static int bnx2x_set_rxfh(struct net_device *dev, const u32 *indir,
3518 const u8 *key, const u8 hfunc)
3519 {
3520 struct bnx2x *bp = netdev_priv(dev);
3521 size_t i;
3522
3523 /* We require at least one supported parameter to be changed and no
3524 * change in any of the unsupported parameters
3525 */
3526 if (key ||
3527 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
3528 return -EOPNOTSUPP;
3529
3530 if (!indir)
3531 return 0;
3532
3533 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
3534 /*
3535 * The same as in bnx2x_get_rxfh: we can't use a memcpy()
3536 * as an internal storage of an indirection table is a u8 array
3537 * while indir->ring_index points to an array of u32.
3538 *
3539 * Indirection table contains the FW Client IDs, so we need to
3540 * align the received table to the Client ID of the leading RSS
3541 * queue
3542 */
3543 bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id;
3544 }
3545
3546 if (bp->state == BNX2X_STATE_OPEN)
3547 return bnx2x_config_rss_eth(bp, false);
3548
3549 return 0;
3550 }
3551
3552 /**
3553 * bnx2x_get_channels - gets the number of RSS queues.
3554 *
3555 * @dev: net device
3556 * @channels: returns the number of max / current queues
3557 */
3558 static void bnx2x_get_channels(struct net_device *dev,
3559 struct ethtool_channels *channels)
3560 {
3561 struct bnx2x *bp = netdev_priv(dev);
3562
3563 channels->max_combined = BNX2X_MAX_RSS_COUNT(bp);
3564 channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp);
3565 }
3566
3567 /**
3568 * bnx2x_change_num_queues - change the number of RSS queues.
3569 *
3570 * @bp: bnx2x private structure
3571 *
3572 * Re-configure interrupt mode to get the new number of MSI-X
3573 * vectors and re-add NAPI objects.
3574 */
3575 static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss)
3576 {
3577 bnx2x_disable_msi(bp);
3578 bp->num_ethernet_queues = num_rss;
3579 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
3580 BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues);
3581 bnx2x_set_int_mode(bp);
3582 }
3583
3584 /**
3585 * bnx2x_set_channels - sets the number of RSS queues.
3586 *
3587 * @dev: net device
3588 * @channels: includes the number of queues requested
3589 */
3590 static int bnx2x_set_channels(struct net_device *dev,
3591 struct ethtool_channels *channels)
3592 {
3593 struct bnx2x *bp = netdev_priv(dev);
3594
3595 DP(BNX2X_MSG_ETHTOOL,
3596 "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
3597 channels->rx_count, channels->tx_count, channels->other_count,
3598 channels->combined_count);
3599
3600 if (pci_num_vf(bp->pdev)) {
3601 DP(BNX2X_MSG_IOV, "VFs are enabled, can not set channels\n");
3602 return -EPERM;
3603 }
3604
3605 /* We don't support separate rx / tx channels.
3606 * We don't allow setting 'other' channels.
3607 */
3608 if (channels->rx_count || channels->tx_count || channels->other_count
3609 || (channels->combined_count == 0) ||
3610 (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) {
3611 DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n");
3612 return -EINVAL;
3613 }
3614
3615 /* Check if there was a change in the active parameters */
3616 if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) {
3617 DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n");
3618 return 0;
3619 }
3620
3621 /* Set the requested number of queues in bp context.
3622 * Note that the actual number of queues created during load may be
3623 * less than requested if memory is low.
3624 */
3625 if (unlikely(!netif_running(dev))) {
3626 bnx2x_change_num_queues(bp, channels->combined_count);
3627 return 0;
3628 }
3629 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
3630 bnx2x_change_num_queues(bp, channels->combined_count);
3631 return bnx2x_nic_load(bp, LOAD_NORMAL);
3632 }
3633
3634 static int bnx2x_get_ts_info(struct net_device *dev,
3635 struct ethtool_ts_info *info)
3636 {
3637 struct bnx2x *bp = netdev_priv(dev);
3638
3639 if (bp->flags & PTP_SUPPORTED) {
3640 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3641 SOF_TIMESTAMPING_RX_SOFTWARE |
3642 SOF_TIMESTAMPING_SOFTWARE |
3643 SOF_TIMESTAMPING_TX_HARDWARE |
3644 SOF_TIMESTAMPING_RX_HARDWARE |
3645 SOF_TIMESTAMPING_RAW_HARDWARE;
3646
3647 if (bp->ptp_clock)
3648 info->phc_index = ptp_clock_index(bp->ptp_clock);
3649 else
3650 info->phc_index = -1;
3651
3652 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
3653 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
3654 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
3655 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
3656
3657 info->tx_types = (1 << HWTSTAMP_TX_OFF)|(1 << HWTSTAMP_TX_ON);
3658
3659 return 0;
3660 }
3661
3662 return ethtool_op_get_ts_info(dev, info);
3663 }
3664
3665 static const struct ethtool_ops bnx2x_ethtool_ops = {
3666 .get_drvinfo = bnx2x_get_drvinfo,
3667 .get_regs_len = bnx2x_get_regs_len,
3668 .get_regs = bnx2x_get_regs,
3669 .get_dump_flag = bnx2x_get_dump_flag,
3670 .get_dump_data = bnx2x_get_dump_data,
3671 .set_dump = bnx2x_set_dump,
3672 .get_wol = bnx2x_get_wol,
3673 .set_wol = bnx2x_set_wol,
3674 .get_msglevel = bnx2x_get_msglevel,
3675 .set_msglevel = bnx2x_set_msglevel,
3676 .nway_reset = bnx2x_nway_reset,
3677 .get_link = bnx2x_get_link,
3678 .get_eeprom_len = bnx2x_get_eeprom_len,
3679 .get_eeprom = bnx2x_get_eeprom,
3680 .set_eeprom = bnx2x_set_eeprom,
3681 .get_coalesce = bnx2x_get_coalesce,
3682 .set_coalesce = bnx2x_set_coalesce,
3683 .get_ringparam = bnx2x_get_ringparam,
3684 .set_ringparam = bnx2x_set_ringparam,
3685 .get_pauseparam = bnx2x_get_pauseparam,
3686 .set_pauseparam = bnx2x_set_pauseparam,
3687 .self_test = bnx2x_self_test,
3688 .get_sset_count = bnx2x_get_sset_count,
3689 .get_priv_flags = bnx2x_get_private_flags,
3690 .get_strings = bnx2x_get_strings,
3691 .set_phys_id = bnx2x_set_phys_id,
3692 .get_ethtool_stats = bnx2x_get_ethtool_stats,
3693 .get_rxnfc = bnx2x_get_rxnfc,
3694 .set_rxnfc = bnx2x_set_rxnfc,
3695 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size,
3696 .get_rxfh = bnx2x_get_rxfh,
3697 .set_rxfh = bnx2x_set_rxfh,
3698 .get_channels = bnx2x_get_channels,
3699 .set_channels = bnx2x_set_channels,
3700 .get_module_info = bnx2x_get_module_info,
3701 .get_module_eeprom = bnx2x_get_module_eeprom,
3702 .get_eee = bnx2x_get_eee,
3703 .set_eee = bnx2x_set_eee,
3704 .get_ts_info = bnx2x_get_ts_info,
3705 .get_link_ksettings = bnx2x_get_link_ksettings,
3706 .set_link_ksettings = bnx2x_set_link_ksettings,
3707 };
3708
3709 static const struct ethtool_ops bnx2x_vf_ethtool_ops = {
3710 .get_drvinfo = bnx2x_get_drvinfo,
3711 .get_msglevel = bnx2x_get_msglevel,
3712 .set_msglevel = bnx2x_set_msglevel,
3713 .get_link = bnx2x_get_link,
3714 .get_coalesce = bnx2x_get_coalesce,
3715 .get_ringparam = bnx2x_get_ringparam,
3716 .set_ringparam = bnx2x_set_ringparam,
3717 .get_sset_count = bnx2x_get_sset_count,
3718 .get_strings = bnx2x_get_strings,
3719 .get_ethtool_stats = bnx2x_get_ethtool_stats,
3720 .get_rxnfc = bnx2x_get_rxnfc,
3721 .set_rxnfc = bnx2x_set_rxnfc,
3722 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size,
3723 .get_rxfh = bnx2x_get_rxfh,
3724 .set_rxfh = bnx2x_set_rxfh,
3725 .get_channels = bnx2x_get_channels,
3726 .set_channels = bnx2x_set_channels,
3727 .get_link_ksettings = bnx2x_get_vf_link_ksettings,
3728 };
3729
3730 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev)
3731 {
3732 netdev->ethtool_ops = (IS_PF(bp)) ?
3733 &bnx2x_ethtool_ops : &bnx2x_vf_ethtool_ops;
3734 }
Linux with added FPC-III support