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
bnx2x_get_port_type(struct bnx2x * bp)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
bnx2x_get_vf_link_ksettings(struct net_device * dev,struct ethtool_link_ksettings * cmd)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
bnx2x_get_link_ksettings(struct net_device * dev,struct ethtool_link_ksettings * cmd)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
bnx2x_set_link_ksettings(struct net_device * dev,const struct ethtool_link_ksettings * cmd)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
__bnx2x_get_preset_regs_len(struct bnx2x * bp,u32 preset)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
__bnx2x_get_regs_len(struct bnx2x * bp)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
bnx2x_get_regs_len(struct net_device * dev)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 ********/
__bnx2x_get_page_addr_ar(struct bnx2x * bp)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
__bnx2x_get_page_reg_num(struct bnx2x * bp)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
__bnx2x_get_page_write_ar(struct bnx2x * bp)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
__bnx2x_get_page_write_num(struct bnx2x * bp)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
__bnx2x_get_page_read_ar(struct bnx2x * bp)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
__bnx2x_get_page_read_num(struct bnx2x * bp)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
bnx2x_is_reg_in_chip(struct bnx2x * bp,const struct reg_addr * reg_info)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
bnx2x_is_wreg_in_chip(struct bnx2x * bp,const struct wreg_addr * wreg_info)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 * @preset: the preset value
845 *
846 * Reads "paged" memories: memories that may only be read by first writing to a
847 * specific address ("write address") and then reading from a specific address
848 * ("read address"). There may be more than one write address per "page" and
849 * more than one read address per write address.
850 */
bnx2x_read_pages_regs(struct bnx2x * bp,u32 * p,u32 preset)851 static void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p, u32 preset)
852 {
853 u32 i, j, k, n;
854
855 /* addresses of the paged registers */
856 const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
857 /* number of paged registers */
858 int num_pages = __bnx2x_get_page_reg_num(bp);
859 /* write addresses */
860 const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
861 /* number of write addresses */
862 int write_num = __bnx2x_get_page_write_num(bp);
863 /* read addresses info */
864 const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
865 /* number of read addresses */
866 int read_num = __bnx2x_get_page_read_num(bp);
867 u32 addr, size;
868
869 for (i = 0; i < num_pages; i++) {
870 for (j = 0; j < write_num; j++) {
871 REG_WR(bp, write_addr[j], page_addr[i]);
872
873 for (k = 0; k < read_num; k++) {
874 if (IS_REG_IN_PRESET(read_addr[k].presets,
875 preset)) {
876 size = read_addr[k].size;
877 for (n = 0; n < size; n++) {
878 addr = read_addr[k].addr + n*4;
879 *p++ = REG_RD(bp, addr);
880 }
881 }
882 }
883 }
884 }
885 }
886
__bnx2x_get_preset_regs(struct bnx2x * bp,u32 * p,u32 preset)887 static int __bnx2x_get_preset_regs(struct bnx2x *bp, u32 *p, u32 preset)
888 {
889 u32 i, j, addr;
890 const struct wreg_addr *wreg_addr_p = NULL;
891
892 if (CHIP_IS_E1(bp))
893 wreg_addr_p = &wreg_addr_e1;
894 else if (CHIP_IS_E1H(bp))
895 wreg_addr_p = &wreg_addr_e1h;
896 else if (CHIP_IS_E2(bp))
897 wreg_addr_p = &wreg_addr_e2;
898 else if (CHIP_IS_E3A0(bp))
899 wreg_addr_p = &wreg_addr_e3;
900 else if (CHIP_IS_E3B0(bp))
901 wreg_addr_p = &wreg_addr_e3b0;
902
903 /* Read the idle_chk registers */
904 for (i = 0; i < IDLE_REGS_COUNT; i++) {
905 if (bnx2x_is_reg_in_chip(bp, &idle_reg_addrs[i]) &&
906 IS_REG_IN_PRESET(idle_reg_addrs[i].presets, preset)) {
907 for (j = 0; j < idle_reg_addrs[i].size; j++)
908 *p++ = REG_RD(bp, idle_reg_addrs[i].addr + j*4);
909 }
910 }
911
912 /* Read the regular registers */
913 for (i = 0; i < REGS_COUNT; i++) {
914 if (bnx2x_is_reg_in_chip(bp, ®_addrs[i]) &&
915 IS_REG_IN_PRESET(reg_addrs[i].presets, preset)) {
916 for (j = 0; j < reg_addrs[i].size; j++)
917 *p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
918 }
919 }
920
921 /* Read the CAM registers */
922 if (bnx2x_is_wreg_in_chip(bp, wreg_addr_p) &&
923 IS_REG_IN_PRESET(wreg_addr_p->presets, preset)) {
924 for (i = 0; i < wreg_addr_p->size; i++) {
925 *p++ = REG_RD(bp, wreg_addr_p->addr + i*4);
926
927 /* In case of wreg_addr register, read additional
928 registers from read_regs array
929 */
930 for (j = 0; j < wreg_addr_p->read_regs_count; j++) {
931 addr = *(wreg_addr_p->read_regs);
932 *p++ = REG_RD(bp, addr + j*4);
933 }
934 }
935 }
936
937 /* Paged registers are supported in E2 & E3 only */
938 if (CHIP_IS_E2(bp) || CHIP_IS_E3(bp)) {
939 /* Read "paged" registers */
940 bnx2x_read_pages_regs(bp, p, preset);
941 }
942
943 return 0;
944 }
945
__bnx2x_get_regs(struct bnx2x * bp,u32 * p)946 static void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
947 {
948 u32 preset_idx;
949
950 /* Read all registers, by reading all preset registers */
951 for (preset_idx = 1; preset_idx <= DUMP_MAX_PRESETS; preset_idx++) {
952 /* Skip presets with IOR */
953 if ((preset_idx == 2) ||
954 (preset_idx == 5) ||
955 (preset_idx == 8) ||
956 (preset_idx == 11))
957 continue;
958 __bnx2x_get_preset_regs(bp, p, preset_idx);
959 p += __bnx2x_get_preset_regs_len(bp, preset_idx);
960 }
961 }
962
bnx2x_get_regs(struct net_device * dev,struct ethtool_regs * regs,void * _p)963 static void bnx2x_get_regs(struct net_device *dev,
964 struct ethtool_regs *regs, void *_p)
965 {
966 u32 *p = _p;
967 struct bnx2x *bp = netdev_priv(dev);
968 struct dump_header dump_hdr = {0};
969
970 regs->version = 2;
971 memset(p, 0, regs->len);
972
973 if (!netif_running(bp->dev))
974 return;
975
976 /* Disable parity attentions as long as following dump may
977 * cause false alarms by reading never written registers. We
978 * will re-enable parity attentions right after the dump.
979 */
980
981 bnx2x_disable_blocks_parity(bp);
982
983 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
984 dump_hdr.preset = DUMP_ALL_PRESETS;
985 dump_hdr.version = BNX2X_DUMP_VERSION;
986
987 /* dump_meta_data presents OR of CHIP and PATH. */
988 if (CHIP_IS_E1(bp)) {
989 dump_hdr.dump_meta_data = DUMP_CHIP_E1;
990 } else if (CHIP_IS_E1H(bp)) {
991 dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
992 } else if (CHIP_IS_E2(bp)) {
993 dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
994 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
995 } else if (CHIP_IS_E3A0(bp)) {
996 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
997 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
998 } else if (CHIP_IS_E3B0(bp)) {
999 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
1000 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1001 }
1002
1003 memcpy(p, &dump_hdr, sizeof(struct dump_header));
1004 p += dump_hdr.header_size + 1;
1005
1006 /* This isn't really an error, but since attention handling is going
1007 * to print the GRC timeouts using this macro, we use the same.
1008 */
1009 BNX2X_ERR("Generating register dump. Might trigger harmless GRC timeouts\n");
1010
1011 /* Actually read the registers */
1012 __bnx2x_get_regs(bp, p);
1013
1014 /* Re-enable parity attentions */
1015 bnx2x_clear_blocks_parity(bp);
1016 bnx2x_enable_blocks_parity(bp);
1017 }
1018
bnx2x_get_preset_regs_len(struct net_device * dev,u32 preset)1019 static int bnx2x_get_preset_regs_len(struct net_device *dev, u32 preset)
1020 {
1021 struct bnx2x *bp = netdev_priv(dev);
1022 int regdump_len = 0;
1023
1024 regdump_len = __bnx2x_get_preset_regs_len(bp, preset);
1025 regdump_len *= 4;
1026 regdump_len += sizeof(struct dump_header);
1027
1028 return regdump_len;
1029 }
1030
bnx2x_set_dump(struct net_device * dev,struct ethtool_dump * val)1031 static int bnx2x_set_dump(struct net_device *dev, struct ethtool_dump *val)
1032 {
1033 struct bnx2x *bp = netdev_priv(dev);
1034
1035 /* Use the ethtool_dump "flag" field as the dump preset index */
1036 if (val->flag < 1 || val->flag > DUMP_MAX_PRESETS)
1037 return -EINVAL;
1038
1039 bp->dump_preset_idx = val->flag;
1040 return 0;
1041 }
1042
bnx2x_get_dump_flag(struct net_device * dev,struct ethtool_dump * dump)1043 static int bnx2x_get_dump_flag(struct net_device *dev,
1044 struct ethtool_dump *dump)
1045 {
1046 struct bnx2x *bp = netdev_priv(dev);
1047
1048 dump->version = BNX2X_DUMP_VERSION;
1049 dump->flag = bp->dump_preset_idx;
1050 /* Calculate the requested preset idx length */
1051 dump->len = bnx2x_get_preset_regs_len(dev, bp->dump_preset_idx);
1052 DP(BNX2X_MSG_ETHTOOL, "Get dump preset %d length=%d\n",
1053 bp->dump_preset_idx, dump->len);
1054 return 0;
1055 }
1056
bnx2x_get_dump_data(struct net_device * dev,struct ethtool_dump * dump,void * buffer)1057 static int bnx2x_get_dump_data(struct net_device *dev,
1058 struct ethtool_dump *dump,
1059 void *buffer)
1060 {
1061 u32 *p = buffer;
1062 struct bnx2x *bp = netdev_priv(dev);
1063 struct dump_header dump_hdr = {0};
1064
1065 /* Disable parity attentions as long as following dump may
1066 * cause false alarms by reading never written registers. We
1067 * will re-enable parity attentions right after the dump.
1068 */
1069
1070 bnx2x_disable_blocks_parity(bp);
1071
1072 dump_hdr.header_size = (sizeof(struct dump_header) / 4) - 1;
1073 dump_hdr.preset = bp->dump_preset_idx;
1074 dump_hdr.version = BNX2X_DUMP_VERSION;
1075
1076 DP(BNX2X_MSG_ETHTOOL, "Get dump data of preset %d\n", dump_hdr.preset);
1077
1078 /* dump_meta_data presents OR of CHIP and PATH. */
1079 if (CHIP_IS_E1(bp)) {
1080 dump_hdr.dump_meta_data = DUMP_CHIP_E1;
1081 } else if (CHIP_IS_E1H(bp)) {
1082 dump_hdr.dump_meta_data = DUMP_CHIP_E1H;
1083 } else if (CHIP_IS_E2(bp)) {
1084 dump_hdr.dump_meta_data = DUMP_CHIP_E2 |
1085 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1086 } else if (CHIP_IS_E3A0(bp)) {
1087 dump_hdr.dump_meta_data = DUMP_CHIP_E3A0 |
1088 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1089 } else if (CHIP_IS_E3B0(bp)) {
1090 dump_hdr.dump_meta_data = DUMP_CHIP_E3B0 |
1091 (BP_PATH(bp) ? DUMP_PATH_1 : DUMP_PATH_0);
1092 }
1093
1094 memcpy(p, &dump_hdr, sizeof(struct dump_header));
1095 p += dump_hdr.header_size + 1;
1096
1097 /* Actually read the registers */
1098 __bnx2x_get_preset_regs(bp, p, dump_hdr.preset);
1099
1100 /* Re-enable parity attentions */
1101 bnx2x_clear_blocks_parity(bp);
1102 bnx2x_enable_blocks_parity(bp);
1103
1104 return 0;
1105 }
1106
bnx2x_get_drvinfo(struct net_device * dev,struct ethtool_drvinfo * info)1107 static void bnx2x_get_drvinfo(struct net_device *dev,
1108 struct ethtool_drvinfo *info)
1109 {
1110 struct bnx2x *bp = netdev_priv(dev);
1111 char version[ETHTOOL_FWVERS_LEN];
1112 int ext_dev_info_offset;
1113 u32 mbi;
1114
1115 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
1116
1117 if (SHMEM2_HAS(bp, extended_dev_info_shared_addr)) {
1118 ext_dev_info_offset = SHMEM2_RD(bp,
1119 extended_dev_info_shared_addr);
1120 mbi = REG_RD(bp, ext_dev_info_offset +
1121 offsetof(struct extended_dev_info_shared_cfg,
1122 mbi_version));
1123 if (mbi) {
1124 memset(version, 0, sizeof(version));
1125 snprintf(version, ETHTOOL_FWVERS_LEN, "mbi %d.%d.%d ",
1126 (mbi & 0xff000000) >> 24,
1127 (mbi & 0x00ff0000) >> 16,
1128 (mbi & 0x0000ff00) >> 8);
1129 strlcpy(info->fw_version, version,
1130 sizeof(info->fw_version));
1131 }
1132 }
1133
1134 memset(version, 0, sizeof(version));
1135 bnx2x_fill_fw_str(bp, version, ETHTOOL_FWVERS_LEN);
1136 strlcat(info->fw_version, version, sizeof(info->fw_version));
1137
1138 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
1139 }
1140
bnx2x_get_wol(struct net_device * dev,struct ethtool_wolinfo * wol)1141 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1142 {
1143 struct bnx2x *bp = netdev_priv(dev);
1144
1145 if (bp->flags & NO_WOL_FLAG) {
1146 wol->supported = 0;
1147 wol->wolopts = 0;
1148 } else {
1149 wol->supported = WAKE_MAGIC;
1150 if (bp->wol)
1151 wol->wolopts = WAKE_MAGIC;
1152 else
1153 wol->wolopts = 0;
1154 }
1155 memset(&wol->sopass, 0, sizeof(wol->sopass));
1156 }
1157
bnx2x_set_wol(struct net_device * dev,struct ethtool_wolinfo * wol)1158 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
1159 {
1160 struct bnx2x *bp = netdev_priv(dev);
1161
1162 if (wol->wolopts & ~WAKE_MAGIC) {
1163 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1164 return -EINVAL;
1165 }
1166
1167 if (wol->wolopts & WAKE_MAGIC) {
1168 if (bp->flags & NO_WOL_FLAG) {
1169 DP(BNX2X_MSG_ETHTOOL, "WOL not supported\n");
1170 return -EINVAL;
1171 }
1172 bp->wol = 1;
1173 } else
1174 bp->wol = 0;
1175
1176 if (SHMEM2_HAS(bp, curr_cfg))
1177 SHMEM2_WR(bp, curr_cfg, CURR_CFG_MET_OS);
1178
1179 return 0;
1180 }
1181
bnx2x_get_msglevel(struct net_device * dev)1182 static u32 bnx2x_get_msglevel(struct net_device *dev)
1183 {
1184 struct bnx2x *bp = netdev_priv(dev);
1185
1186 return bp->msg_enable;
1187 }
1188
bnx2x_set_msglevel(struct net_device * dev,u32 level)1189 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
1190 {
1191 struct bnx2x *bp = netdev_priv(dev);
1192
1193 if (capable(CAP_NET_ADMIN)) {
1194 /* dump MCP trace */
1195 if (IS_PF(bp) && (level & BNX2X_MSG_MCP))
1196 bnx2x_fw_dump_lvl(bp, KERN_INFO);
1197 bp->msg_enable = level;
1198 }
1199 }
1200
bnx2x_nway_reset(struct net_device * dev)1201 static int bnx2x_nway_reset(struct net_device *dev)
1202 {
1203 struct bnx2x *bp = netdev_priv(dev);
1204
1205 if (!bp->port.pmf)
1206 return 0;
1207
1208 if (netif_running(dev)) {
1209 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1210 bnx2x_force_link_reset(bp);
1211 bnx2x_link_set(bp);
1212 }
1213
1214 return 0;
1215 }
1216
bnx2x_get_link(struct net_device * dev)1217 static u32 bnx2x_get_link(struct net_device *dev)
1218 {
1219 struct bnx2x *bp = netdev_priv(dev);
1220
1221 if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
1222 return 0;
1223
1224 if (IS_VF(bp))
1225 return !test_bit(BNX2X_LINK_REPORT_LINK_DOWN,
1226 &bp->vf_link_vars.link_report_flags);
1227
1228 return bp->link_vars.link_up;
1229 }
1230
bnx2x_get_eeprom_len(struct net_device * dev)1231 static int bnx2x_get_eeprom_len(struct net_device *dev)
1232 {
1233 struct bnx2x *bp = netdev_priv(dev);
1234
1235 return bp->common.flash_size;
1236 }
1237
1238 /* Per pf misc lock must be acquired before the per port mcp lock. Otherwise,
1239 * had we done things the other way around, if two pfs from the same port would
1240 * attempt to access nvram at the same time, we could run into a scenario such
1241 * as:
1242 * pf A takes the port lock.
1243 * pf B succeeds in taking the same lock since they are from the same port.
1244 * pf A takes the per pf misc lock. Performs eeprom access.
1245 * pf A finishes. Unlocks the per pf misc lock.
1246 * Pf B takes the lock and proceeds to perform it's own access.
1247 * pf A unlocks the per port lock, while pf B is still working (!).
1248 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
1249 * access corrupted by pf B)
1250 */
bnx2x_acquire_nvram_lock(struct bnx2x * bp)1251 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
1252 {
1253 int port = BP_PORT(bp);
1254 int count, i;
1255 u32 val;
1256
1257 /* acquire HW lock: protect against other PFs in PF Direct Assignment */
1258 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1259
1260 /* adjust timeout for emulation/FPGA */
1261 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1262 if (CHIP_REV_IS_SLOW(bp))
1263 count *= 100;
1264
1265 /* request access to nvram interface */
1266 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1267 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
1268
1269 for (i = 0; i < count*10; i++) {
1270 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1271 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
1272 break;
1273
1274 udelay(5);
1275 }
1276
1277 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
1278 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1279 "cannot get access to nvram interface\n");
1280 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1281 return -EBUSY;
1282 }
1283
1284 return 0;
1285 }
1286
bnx2x_release_nvram_lock(struct bnx2x * bp)1287 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
1288 {
1289 int port = BP_PORT(bp);
1290 int count, i;
1291 u32 val;
1292
1293 /* adjust timeout for emulation/FPGA */
1294 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1295 if (CHIP_REV_IS_SLOW(bp))
1296 count *= 100;
1297
1298 /* relinquish nvram interface */
1299 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
1300 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
1301
1302 for (i = 0; i < count*10; i++) {
1303 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
1304 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
1305 break;
1306
1307 udelay(5);
1308 }
1309
1310 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
1311 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1312 "cannot free access to nvram interface\n");
1313 return -EBUSY;
1314 }
1315
1316 /* release HW lock: protect against other PFs in PF Direct Assignment */
1317 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1318 return 0;
1319 }
1320
bnx2x_enable_nvram_access(struct bnx2x * bp)1321 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
1322 {
1323 u32 val;
1324
1325 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1326
1327 /* enable both bits, even on read */
1328 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1329 (val | MCPR_NVM_ACCESS_ENABLE_EN |
1330 MCPR_NVM_ACCESS_ENABLE_WR_EN));
1331 }
1332
bnx2x_disable_nvram_access(struct bnx2x * bp)1333 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
1334 {
1335 u32 val;
1336
1337 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1338
1339 /* disable both bits, even after read */
1340 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1341 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
1342 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
1343 }
1344
bnx2x_nvram_read_dword(struct bnx2x * bp,u32 offset,__be32 * ret_val,u32 cmd_flags)1345 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
1346 u32 cmd_flags)
1347 {
1348 int count, i, rc;
1349 u32 val;
1350
1351 /* build the command word */
1352 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
1353
1354 /* need to clear DONE bit separately */
1355 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1356
1357 /* address of the NVRAM to read from */
1358 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1359 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1360
1361 /* issue a read command */
1362 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1363
1364 /* adjust timeout for emulation/FPGA */
1365 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1366 if (CHIP_REV_IS_SLOW(bp))
1367 count *= 100;
1368
1369 /* wait for completion */
1370 *ret_val = 0;
1371 rc = -EBUSY;
1372 for (i = 0; i < count; i++) {
1373 udelay(5);
1374 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1375
1376 if (val & MCPR_NVM_COMMAND_DONE) {
1377 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
1378 /* we read nvram data in cpu order
1379 * but ethtool sees it as an array of bytes
1380 * converting to big-endian will do the work
1381 */
1382 *ret_val = cpu_to_be32(val);
1383 rc = 0;
1384 break;
1385 }
1386 }
1387 if (rc == -EBUSY)
1388 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1389 "nvram read timeout expired\n");
1390 return rc;
1391 }
1392
bnx2x_nvram_read(struct bnx2x * bp,u32 offset,u8 * ret_buf,int buf_size)1393 int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1394 int buf_size)
1395 {
1396 int rc;
1397 u32 cmd_flags;
1398 __be32 val;
1399
1400 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1401 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1402 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
1403 offset, buf_size);
1404 return -EINVAL;
1405 }
1406
1407 if (offset + buf_size > bp->common.flash_size) {
1408 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1409 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1410 offset, buf_size, bp->common.flash_size);
1411 return -EINVAL;
1412 }
1413
1414 /* request access to nvram interface */
1415 rc = bnx2x_acquire_nvram_lock(bp);
1416 if (rc)
1417 return rc;
1418
1419 /* enable access to nvram interface */
1420 bnx2x_enable_nvram_access(bp);
1421
1422 /* read the first word(s) */
1423 cmd_flags = MCPR_NVM_COMMAND_FIRST;
1424 while ((buf_size > sizeof(u32)) && (rc == 0)) {
1425 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1426 memcpy(ret_buf, &val, 4);
1427
1428 /* advance to the next dword */
1429 offset += sizeof(u32);
1430 ret_buf += sizeof(u32);
1431 buf_size -= sizeof(u32);
1432 cmd_flags = 0;
1433 }
1434
1435 if (rc == 0) {
1436 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1437 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1438 memcpy(ret_buf, &val, 4);
1439 }
1440
1441 /* disable access to nvram interface */
1442 bnx2x_disable_nvram_access(bp);
1443 bnx2x_release_nvram_lock(bp);
1444
1445 return rc;
1446 }
1447
bnx2x_nvram_read32(struct bnx2x * bp,u32 offset,u32 * buf,int buf_size)1448 static int bnx2x_nvram_read32(struct bnx2x *bp, u32 offset, u32 *buf,
1449 int buf_size)
1450 {
1451 int rc;
1452
1453 rc = bnx2x_nvram_read(bp, offset, (u8 *)buf, buf_size);
1454
1455 if (!rc) {
1456 __be32 *be = (__be32 *)buf;
1457
1458 while ((buf_size -= 4) >= 0)
1459 *buf++ = be32_to_cpu(*be++);
1460 }
1461
1462 return rc;
1463 }
1464
bnx2x_is_nvm_accessible(struct bnx2x * bp)1465 static bool bnx2x_is_nvm_accessible(struct bnx2x *bp)
1466 {
1467 int rc = 1;
1468 u16 pm = 0;
1469 struct net_device *dev = pci_get_drvdata(bp->pdev);
1470
1471 if (bp->pdev->pm_cap)
1472 rc = pci_read_config_word(bp->pdev,
1473 bp->pdev->pm_cap + PCI_PM_CTRL, &pm);
1474
1475 if ((rc && !netif_running(dev)) ||
1476 (!rc && ((pm & PCI_PM_CTRL_STATE_MASK) != (__force u16)PCI_D0)))
1477 return false;
1478
1479 return true;
1480 }
1481
bnx2x_get_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * eebuf)1482 static int bnx2x_get_eeprom(struct net_device *dev,
1483 struct ethtool_eeprom *eeprom, u8 *eebuf)
1484 {
1485 struct bnx2x *bp = netdev_priv(dev);
1486
1487 if (!bnx2x_is_nvm_accessible(bp)) {
1488 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1489 "cannot access eeprom when the interface is down\n");
1490 return -EAGAIN;
1491 }
1492
1493 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1494 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
1495 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1496 eeprom->len, eeprom->len);
1497
1498 /* parameters already validated in ethtool_get_eeprom */
1499
1500 return bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
1501 }
1502
bnx2x_get_module_eeprom(struct net_device * dev,struct ethtool_eeprom * ee,u8 * data)1503 static int bnx2x_get_module_eeprom(struct net_device *dev,
1504 struct ethtool_eeprom *ee,
1505 u8 *data)
1506 {
1507 struct bnx2x *bp = netdev_priv(dev);
1508 int rc = -EINVAL, phy_idx;
1509 u8 *user_data = data;
1510 unsigned int start_addr = ee->offset, xfer_size = 0;
1511
1512 if (!bnx2x_is_nvm_accessible(bp)) {
1513 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1514 "cannot access eeprom when the interface is down\n");
1515 return -EAGAIN;
1516 }
1517
1518 phy_idx = bnx2x_get_cur_phy_idx(bp);
1519
1520 /* Read A0 section */
1521 if (start_addr < ETH_MODULE_SFF_8079_LEN) {
1522 /* Limit transfer size to the A0 section boundary */
1523 if (start_addr + ee->len > ETH_MODULE_SFF_8079_LEN)
1524 xfer_size = ETH_MODULE_SFF_8079_LEN - start_addr;
1525 else
1526 xfer_size = ee->len;
1527 bnx2x_acquire_phy_lock(bp);
1528 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1529 &bp->link_params,
1530 I2C_DEV_ADDR_A0,
1531 start_addr,
1532 xfer_size,
1533 user_data);
1534 bnx2x_release_phy_lock(bp);
1535 if (rc) {
1536 DP(BNX2X_MSG_ETHTOOL, "Failed reading A0 section\n");
1537
1538 return -EINVAL;
1539 }
1540 user_data += xfer_size;
1541 start_addr += xfer_size;
1542 }
1543
1544 /* Read A2 section */
1545 if ((start_addr >= ETH_MODULE_SFF_8079_LEN) &&
1546 (start_addr < ETH_MODULE_SFF_8472_LEN)) {
1547 xfer_size = ee->len - xfer_size;
1548 /* Limit transfer size to the A2 section boundary */
1549 if (start_addr + xfer_size > ETH_MODULE_SFF_8472_LEN)
1550 xfer_size = ETH_MODULE_SFF_8472_LEN - start_addr;
1551 start_addr -= ETH_MODULE_SFF_8079_LEN;
1552 bnx2x_acquire_phy_lock(bp);
1553 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1554 &bp->link_params,
1555 I2C_DEV_ADDR_A2,
1556 start_addr,
1557 xfer_size,
1558 user_data);
1559 bnx2x_release_phy_lock(bp);
1560 if (rc) {
1561 DP(BNX2X_MSG_ETHTOOL, "Failed reading A2 section\n");
1562 return -EINVAL;
1563 }
1564 }
1565 return rc;
1566 }
1567
bnx2x_get_module_info(struct net_device * dev,struct ethtool_modinfo * modinfo)1568 static int bnx2x_get_module_info(struct net_device *dev,
1569 struct ethtool_modinfo *modinfo)
1570 {
1571 struct bnx2x *bp = netdev_priv(dev);
1572 int phy_idx, rc;
1573 u8 sff8472_comp, diag_type;
1574
1575 if (!bnx2x_is_nvm_accessible(bp)) {
1576 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1577 "cannot access eeprom when the interface is down\n");
1578 return -EAGAIN;
1579 }
1580 phy_idx = bnx2x_get_cur_phy_idx(bp);
1581 bnx2x_acquire_phy_lock(bp);
1582 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1583 &bp->link_params,
1584 I2C_DEV_ADDR_A0,
1585 SFP_EEPROM_SFF_8472_COMP_ADDR,
1586 SFP_EEPROM_SFF_8472_COMP_SIZE,
1587 &sff8472_comp);
1588 bnx2x_release_phy_lock(bp);
1589 if (rc) {
1590 DP(BNX2X_MSG_ETHTOOL, "Failed reading SFF-8472 comp field\n");
1591 return -EINVAL;
1592 }
1593
1594 bnx2x_acquire_phy_lock(bp);
1595 rc = bnx2x_read_sfp_module_eeprom(&bp->link_params.phy[phy_idx],
1596 &bp->link_params,
1597 I2C_DEV_ADDR_A0,
1598 SFP_EEPROM_DIAG_TYPE_ADDR,
1599 SFP_EEPROM_DIAG_TYPE_SIZE,
1600 &diag_type);
1601 bnx2x_release_phy_lock(bp);
1602 if (rc) {
1603 DP(BNX2X_MSG_ETHTOOL, "Failed reading Diag Type field\n");
1604 return -EINVAL;
1605 }
1606
1607 if (!sff8472_comp ||
1608 (diag_type & SFP_EEPROM_DIAG_ADDR_CHANGE_REQ) ||
1609 !(diag_type & SFP_EEPROM_DDM_IMPLEMENTED)) {
1610 modinfo->type = ETH_MODULE_SFF_8079;
1611 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
1612 } else {
1613 modinfo->type = ETH_MODULE_SFF_8472;
1614 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
1615 }
1616 return 0;
1617 }
1618
bnx2x_nvram_write_dword(struct bnx2x * bp,u32 offset,u32 val,u32 cmd_flags)1619 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
1620 u32 cmd_flags)
1621 {
1622 int count, i, rc;
1623
1624 /* build the command word */
1625 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
1626
1627 /* need to clear DONE bit separately */
1628 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1629
1630 /* write the data */
1631 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
1632
1633 /* address of the NVRAM to write to */
1634 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1635 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1636
1637 /* issue the write command */
1638 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1639
1640 /* adjust timeout for emulation/FPGA */
1641 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1642 if (CHIP_REV_IS_SLOW(bp))
1643 count *= 100;
1644
1645 /* wait for completion */
1646 rc = -EBUSY;
1647 for (i = 0; i < count; i++) {
1648 udelay(5);
1649 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1650 if (val & MCPR_NVM_COMMAND_DONE) {
1651 rc = 0;
1652 break;
1653 }
1654 }
1655
1656 if (rc == -EBUSY)
1657 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1658 "nvram write timeout expired\n");
1659 return rc;
1660 }
1661
1662 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
1663
bnx2x_nvram_write1(struct bnx2x * bp,u32 offset,u8 * data_buf,int buf_size)1664 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
1665 int buf_size)
1666 {
1667 int rc;
1668 u32 cmd_flags, align_offset, val;
1669 __be32 val_be;
1670
1671 if (offset + buf_size > bp->common.flash_size) {
1672 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1673 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1674 offset, buf_size, bp->common.flash_size);
1675 return -EINVAL;
1676 }
1677
1678 /* request access to nvram interface */
1679 rc = bnx2x_acquire_nvram_lock(bp);
1680 if (rc)
1681 return rc;
1682
1683 /* enable access to nvram interface */
1684 bnx2x_enable_nvram_access(bp);
1685
1686 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1687 align_offset = (offset & ~0x03);
1688 rc = bnx2x_nvram_read_dword(bp, align_offset, &val_be, cmd_flags);
1689
1690 if (rc == 0) {
1691 /* nvram data is returned as an array of bytes
1692 * convert it back to cpu order
1693 */
1694 val = be32_to_cpu(val_be);
1695
1696 val &= ~le32_to_cpu((__force __le32)
1697 (0xff << BYTE_OFFSET(offset)));
1698 val |= le32_to_cpu((__force __le32)
1699 (*data_buf << BYTE_OFFSET(offset)));
1700
1701 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1702 cmd_flags);
1703 }
1704
1705 /* disable access to nvram interface */
1706 bnx2x_disable_nvram_access(bp);
1707 bnx2x_release_nvram_lock(bp);
1708
1709 return rc;
1710 }
1711
bnx2x_nvram_write(struct bnx2x * bp,u32 offset,u8 * data_buf,int buf_size)1712 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1713 int buf_size)
1714 {
1715 int rc;
1716 u32 cmd_flags;
1717 u32 val;
1718 u32 written_so_far;
1719
1720 if (buf_size == 1) /* ethtool */
1721 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1722
1723 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1724 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1725 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
1726 offset, buf_size);
1727 return -EINVAL;
1728 }
1729
1730 if (offset + buf_size > bp->common.flash_size) {
1731 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1732 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1733 offset, buf_size, bp->common.flash_size);
1734 return -EINVAL;
1735 }
1736
1737 /* request access to nvram interface */
1738 rc = bnx2x_acquire_nvram_lock(bp);
1739 if (rc)
1740 return rc;
1741
1742 /* enable access to nvram interface */
1743 bnx2x_enable_nvram_access(bp);
1744
1745 written_so_far = 0;
1746 cmd_flags = MCPR_NVM_COMMAND_FIRST;
1747 while ((written_so_far < buf_size) && (rc == 0)) {
1748 if (written_so_far == (buf_size - sizeof(u32)))
1749 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1750 else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1751 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1752 else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1753 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1754
1755 memcpy(&val, data_buf, 4);
1756
1757 /* Notice unlike bnx2x_nvram_read_dword() this will not
1758 * change val using be32_to_cpu(), which causes data to flip
1759 * if the eeprom is read and then written back. This is due
1760 * to tools utilizing this functionality that would break
1761 * if this would be resolved.
1762 */
1763 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1764
1765 /* advance to the next dword */
1766 offset += sizeof(u32);
1767 data_buf += sizeof(u32);
1768 written_so_far += sizeof(u32);
1769
1770 /* At end of each 4Kb page, release nvram lock to allow MFW
1771 * chance to take it for its own use.
1772 */
1773 if ((cmd_flags & MCPR_NVM_COMMAND_LAST) &&
1774 (written_so_far < buf_size)) {
1775 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1776 "Releasing NVM lock after offset 0x%x\n",
1777 (u32)(offset - sizeof(u32)));
1778 bnx2x_release_nvram_lock(bp);
1779 usleep_range(1000, 2000);
1780 rc = bnx2x_acquire_nvram_lock(bp);
1781 if (rc)
1782 return rc;
1783 }
1784
1785 cmd_flags = 0;
1786 }
1787
1788 /* disable access to nvram interface */
1789 bnx2x_disable_nvram_access(bp);
1790 bnx2x_release_nvram_lock(bp);
1791
1792 return rc;
1793 }
1794
bnx2x_set_eeprom(struct net_device * dev,struct ethtool_eeprom * eeprom,u8 * eebuf)1795 static int bnx2x_set_eeprom(struct net_device *dev,
1796 struct ethtool_eeprom *eeprom, u8 *eebuf)
1797 {
1798 struct bnx2x *bp = netdev_priv(dev);
1799 int port = BP_PORT(bp);
1800 int rc = 0;
1801 u32 ext_phy_config;
1802
1803 if (!bnx2x_is_nvm_accessible(bp)) {
1804 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1805 "cannot access eeprom when the interface is down\n");
1806 return -EAGAIN;
1807 }
1808
1809 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1810 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
1811 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1812 eeprom->len, eeprom->len);
1813
1814 /* parameters already validated in ethtool_set_eeprom */
1815
1816 /* PHY eeprom can be accessed only by the PMF */
1817 if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1818 !bp->port.pmf) {
1819 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1820 "wrong magic or interface is not pmf\n");
1821 return -EINVAL;
1822 }
1823
1824 ext_phy_config =
1825 SHMEM_RD(bp,
1826 dev_info.port_hw_config[port].external_phy_config);
1827
1828 if (eeprom->magic == 0x50485950) {
1829 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1830 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1831
1832 bnx2x_acquire_phy_lock(bp);
1833 rc |= bnx2x_link_reset(&bp->link_params,
1834 &bp->link_vars, 0);
1835 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1836 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1837 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1838 MISC_REGISTERS_GPIO_HIGH, port);
1839 bnx2x_release_phy_lock(bp);
1840 bnx2x_link_report(bp);
1841
1842 } else if (eeprom->magic == 0x50485952) {
1843 /* 'PHYR' (0x50485952): re-init link after FW upgrade */
1844 if (bp->state == BNX2X_STATE_OPEN) {
1845 bnx2x_acquire_phy_lock(bp);
1846 rc |= bnx2x_link_reset(&bp->link_params,
1847 &bp->link_vars, 1);
1848
1849 rc |= bnx2x_phy_init(&bp->link_params,
1850 &bp->link_vars);
1851 bnx2x_release_phy_lock(bp);
1852 bnx2x_calc_fc_adv(bp);
1853 }
1854 } else if (eeprom->magic == 0x53985943) {
1855 /* 'PHYC' (0x53985943): PHY FW upgrade completed */
1856 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1857 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1858
1859 /* DSP Remove Download Mode */
1860 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1861 MISC_REGISTERS_GPIO_LOW, port);
1862
1863 bnx2x_acquire_phy_lock(bp);
1864
1865 bnx2x_sfx7101_sp_sw_reset(bp,
1866 &bp->link_params.phy[EXT_PHY1]);
1867
1868 /* wait 0.5 sec to allow it to run */
1869 msleep(500);
1870 bnx2x_ext_phy_hw_reset(bp, port);
1871 msleep(500);
1872 bnx2x_release_phy_lock(bp);
1873 }
1874 } else
1875 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1876
1877 return rc;
1878 }
1879
bnx2x_get_coalesce(struct net_device * dev,struct ethtool_coalesce * coal)1880 static int bnx2x_get_coalesce(struct net_device *dev,
1881 struct ethtool_coalesce *coal)
1882 {
1883 struct bnx2x *bp = netdev_priv(dev);
1884
1885 memset(coal, 0, sizeof(struct ethtool_coalesce));
1886
1887 coal->rx_coalesce_usecs = bp->rx_ticks;
1888 coal->tx_coalesce_usecs = bp->tx_ticks;
1889
1890 return 0;
1891 }
1892
bnx2x_set_coalesce(struct net_device * dev,struct ethtool_coalesce * coal)1893 static int bnx2x_set_coalesce(struct net_device *dev,
1894 struct ethtool_coalesce *coal)
1895 {
1896 struct bnx2x *bp = netdev_priv(dev);
1897
1898 bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1899 if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1900 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1901
1902 bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1903 if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1904 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1905
1906 if (netif_running(dev))
1907 bnx2x_update_coalesce(bp);
1908
1909 return 0;
1910 }
1911
bnx2x_get_ringparam(struct net_device * dev,struct ethtool_ringparam * ering)1912 static void bnx2x_get_ringparam(struct net_device *dev,
1913 struct ethtool_ringparam *ering)
1914 {
1915 struct bnx2x *bp = netdev_priv(dev);
1916
1917 ering->rx_max_pending = MAX_RX_AVAIL;
1918
1919 /* If size isn't already set, we give an estimation of the number
1920 * of buffers we'll have. We're neglecting some possible conditions
1921 * [we couldn't know for certain at this point if number of queues
1922 * might shrink] but the number would be correct for the likely
1923 * scenario.
1924 */
1925 if (bp->rx_ring_size)
1926 ering->rx_pending = bp->rx_ring_size;
1927 else if (BNX2X_NUM_RX_QUEUES(bp))
1928 ering->rx_pending = MAX_RX_AVAIL / BNX2X_NUM_RX_QUEUES(bp);
1929 else
1930 ering->rx_pending = MAX_RX_AVAIL;
1931
1932 ering->tx_max_pending = IS_MF_FCOE_AFEX(bp) ? 0 : MAX_TX_AVAIL;
1933 ering->tx_pending = bp->tx_ring_size;
1934 }
1935
bnx2x_set_ringparam(struct net_device * dev,struct ethtool_ringparam * ering)1936 static int bnx2x_set_ringparam(struct net_device *dev,
1937 struct ethtool_ringparam *ering)
1938 {
1939 struct bnx2x *bp = netdev_priv(dev);
1940
1941 DP(BNX2X_MSG_ETHTOOL,
1942 "set ring params command parameters: rx_pending = %d, tx_pending = %d\n",
1943 ering->rx_pending, ering->tx_pending);
1944
1945 if (pci_num_vf(bp->pdev)) {
1946 DP(BNX2X_MSG_IOV,
1947 "VFs are enabled, can not change ring parameters\n");
1948 return -EPERM;
1949 }
1950
1951 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1952 DP(BNX2X_MSG_ETHTOOL,
1953 "Handling parity error recovery. Try again later\n");
1954 return -EAGAIN;
1955 }
1956
1957 if ((ering->rx_pending > MAX_RX_AVAIL) ||
1958 (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1959 MIN_RX_SIZE_TPA)) ||
1960 (ering->tx_pending > (IS_MF_STORAGE_ONLY(bp) ? 0 : MAX_TX_AVAIL)) ||
1961 (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
1962 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
1963 return -EINVAL;
1964 }
1965
1966 bp->rx_ring_size = ering->rx_pending;
1967 bp->tx_ring_size = ering->tx_pending;
1968
1969 return bnx2x_reload_if_running(dev);
1970 }
1971
bnx2x_get_pauseparam(struct net_device * dev,struct ethtool_pauseparam * epause)1972 static void bnx2x_get_pauseparam(struct net_device *dev,
1973 struct ethtool_pauseparam *epause)
1974 {
1975 struct bnx2x *bp = netdev_priv(dev);
1976 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1977 int cfg_reg;
1978
1979 epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1980 BNX2X_FLOW_CTRL_AUTO);
1981
1982 if (!epause->autoneg)
1983 cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx];
1984 else
1985 cfg_reg = bp->link_params.req_fc_auto_adv;
1986
1987 epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
1988 BNX2X_FLOW_CTRL_RX);
1989 epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
1990 BNX2X_FLOW_CTRL_TX);
1991
1992 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1993 " autoneg %d rx_pause %d tx_pause %d\n",
1994 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1995 }
1996
bnx2x_set_pauseparam(struct net_device * dev,struct ethtool_pauseparam * epause)1997 static int bnx2x_set_pauseparam(struct net_device *dev,
1998 struct ethtool_pauseparam *epause)
1999 {
2000 struct bnx2x *bp = netdev_priv(dev);
2001 u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
2002 if (IS_MF(bp))
2003 return 0;
2004
2005 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
2006 " autoneg %d rx_pause %d tx_pause %d\n",
2007 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
2008
2009 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
2010
2011 if (epause->rx_pause)
2012 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
2013
2014 if (epause->tx_pause)
2015 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
2016
2017 if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
2018 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
2019
2020 if (epause->autoneg) {
2021 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
2022 DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n");
2023 return -EINVAL;
2024 }
2025
2026 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
2027 bp->link_params.req_flow_ctrl[cfg_idx] =
2028 BNX2X_FLOW_CTRL_AUTO;
2029 }
2030 bp->link_params.req_fc_auto_adv = 0;
2031 if (epause->rx_pause)
2032 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_RX;
2033
2034 if (epause->tx_pause)
2035 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_TX;
2036
2037 if (!bp->link_params.req_fc_auto_adv)
2038 bp->link_params.req_fc_auto_adv |= BNX2X_FLOW_CTRL_NONE;
2039 }
2040
2041 DP(BNX2X_MSG_ETHTOOL,
2042 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
2043
2044 if (netif_running(dev)) {
2045 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2046 bnx2x_force_link_reset(bp);
2047 bnx2x_link_set(bp);
2048 }
2049
2050 return 0;
2051 }
2052
2053 static const char bnx2x_tests_str_arr[BNX2X_NUM_TESTS_SF][ETH_GSTRING_LEN] = {
2054 "register_test (offline) ",
2055 "memory_test (offline) ",
2056 "int_loopback_test (offline)",
2057 "ext_loopback_test (offline)",
2058 "nvram_test (online) ",
2059 "interrupt_test (online) ",
2060 "link_test (online) "
2061 };
2062
2063 enum {
2064 BNX2X_PRI_FLAG_ISCSI,
2065 BNX2X_PRI_FLAG_FCOE,
2066 BNX2X_PRI_FLAG_STORAGE,
2067 BNX2X_PRI_FLAG_LEN,
2068 };
2069
2070 static const char bnx2x_private_arr[BNX2X_PRI_FLAG_LEN][ETH_GSTRING_LEN] = {
2071 "iSCSI offload support",
2072 "FCoE offload support",
2073 "Storage only interface"
2074 };
2075
bnx2x_eee_to_adv(u32 eee_adv)2076 static u32 bnx2x_eee_to_adv(u32 eee_adv)
2077 {
2078 u32 modes = 0;
2079
2080 if (eee_adv & SHMEM_EEE_100M_ADV)
2081 modes |= ADVERTISED_100baseT_Full;
2082 if (eee_adv & SHMEM_EEE_1G_ADV)
2083 modes |= ADVERTISED_1000baseT_Full;
2084 if (eee_adv & SHMEM_EEE_10G_ADV)
2085 modes |= ADVERTISED_10000baseT_Full;
2086
2087 return modes;
2088 }
2089
bnx2x_adv_to_eee(u32 modes,u32 shift)2090 static u32 bnx2x_adv_to_eee(u32 modes, u32 shift)
2091 {
2092 u32 eee_adv = 0;
2093 if (modes & ADVERTISED_100baseT_Full)
2094 eee_adv |= SHMEM_EEE_100M_ADV;
2095 if (modes & ADVERTISED_1000baseT_Full)
2096 eee_adv |= SHMEM_EEE_1G_ADV;
2097 if (modes & ADVERTISED_10000baseT_Full)
2098 eee_adv |= SHMEM_EEE_10G_ADV;
2099
2100 return eee_adv << shift;
2101 }
2102
bnx2x_get_eee(struct net_device * dev,struct ethtool_eee * edata)2103 static int bnx2x_get_eee(struct net_device *dev, struct ethtool_eee *edata)
2104 {
2105 struct bnx2x *bp = netdev_priv(dev);
2106 u32 eee_cfg;
2107
2108 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2109 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2110 return -EOPNOTSUPP;
2111 }
2112
2113 eee_cfg = bp->link_vars.eee_status;
2114
2115 edata->supported =
2116 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_SUPPORTED_MASK) >>
2117 SHMEM_EEE_SUPPORTED_SHIFT);
2118
2119 edata->advertised =
2120 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_ADV_STATUS_MASK) >>
2121 SHMEM_EEE_ADV_STATUS_SHIFT);
2122 edata->lp_advertised =
2123 bnx2x_eee_to_adv((eee_cfg & SHMEM_EEE_LP_ADV_STATUS_MASK) >>
2124 SHMEM_EEE_LP_ADV_STATUS_SHIFT);
2125
2126 /* SHMEM value is in 16u units --> Convert to 1u units. */
2127 edata->tx_lpi_timer = (eee_cfg & SHMEM_EEE_TIMER_MASK) << 4;
2128
2129 edata->eee_enabled = (eee_cfg & SHMEM_EEE_REQUESTED_BIT) ? 1 : 0;
2130 edata->eee_active = (eee_cfg & SHMEM_EEE_ACTIVE_BIT) ? 1 : 0;
2131 edata->tx_lpi_enabled = (eee_cfg & SHMEM_EEE_LPI_REQUESTED_BIT) ? 1 : 0;
2132
2133 return 0;
2134 }
2135
bnx2x_set_eee(struct net_device * dev,struct ethtool_eee * edata)2136 static int bnx2x_set_eee(struct net_device *dev, struct ethtool_eee *edata)
2137 {
2138 struct bnx2x *bp = netdev_priv(dev);
2139 u32 eee_cfg;
2140 u32 advertised;
2141
2142 if (IS_MF(bp))
2143 return 0;
2144
2145 if (!SHMEM2_HAS(bp, eee_status[BP_PORT(bp)])) {
2146 DP(BNX2X_MSG_ETHTOOL, "BC Version does not support EEE\n");
2147 return -EOPNOTSUPP;
2148 }
2149
2150 eee_cfg = bp->link_vars.eee_status;
2151
2152 if (!(eee_cfg & SHMEM_EEE_SUPPORTED_MASK)) {
2153 DP(BNX2X_MSG_ETHTOOL, "Board does not support EEE!\n");
2154 return -EOPNOTSUPP;
2155 }
2156
2157 advertised = bnx2x_adv_to_eee(edata->advertised,
2158 SHMEM_EEE_ADV_STATUS_SHIFT);
2159 if ((advertised != (eee_cfg & SHMEM_EEE_ADV_STATUS_MASK))) {
2160 DP(BNX2X_MSG_ETHTOOL,
2161 "Direct manipulation of EEE advertisement is not supported\n");
2162 return -EINVAL;
2163 }
2164
2165 if (edata->tx_lpi_timer > EEE_MODE_TIMER_MASK) {
2166 DP(BNX2X_MSG_ETHTOOL,
2167 "Maximal Tx Lpi timer supported is %x(u)\n",
2168 EEE_MODE_TIMER_MASK);
2169 return -EINVAL;
2170 }
2171 if (edata->tx_lpi_enabled &&
2172 (edata->tx_lpi_timer < EEE_MODE_NVRAM_AGGRESSIVE_TIME)) {
2173 DP(BNX2X_MSG_ETHTOOL,
2174 "Minimal Tx Lpi timer supported is %d(u)\n",
2175 EEE_MODE_NVRAM_AGGRESSIVE_TIME);
2176 return -EINVAL;
2177 }
2178
2179 /* All is well; Apply changes*/
2180 if (edata->eee_enabled)
2181 bp->link_params.eee_mode |= EEE_MODE_ADV_LPI;
2182 else
2183 bp->link_params.eee_mode &= ~EEE_MODE_ADV_LPI;
2184
2185 if (edata->tx_lpi_enabled)
2186 bp->link_params.eee_mode |= EEE_MODE_ENABLE_LPI;
2187 else
2188 bp->link_params.eee_mode &= ~EEE_MODE_ENABLE_LPI;
2189
2190 bp->link_params.eee_mode &= ~EEE_MODE_TIMER_MASK;
2191 bp->link_params.eee_mode |= (edata->tx_lpi_timer &
2192 EEE_MODE_TIMER_MASK) |
2193 EEE_MODE_OVERRIDE_NVRAM |
2194 EEE_MODE_OUTPUT_TIME;
2195
2196 /* Restart link to propagate changes */
2197 if (netif_running(dev)) {
2198 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
2199 bnx2x_force_link_reset(bp);
2200 bnx2x_link_set(bp);
2201 }
2202
2203 return 0;
2204 }
2205
2206 enum {
2207 BNX2X_CHIP_E1_OFST = 0,
2208 BNX2X_CHIP_E1H_OFST,
2209 BNX2X_CHIP_E2_OFST,
2210 BNX2X_CHIP_E3_OFST,
2211 BNX2X_CHIP_E3B0_OFST,
2212 BNX2X_CHIP_MAX_OFST
2213 };
2214
2215 #define BNX2X_CHIP_MASK_E1 (1 << BNX2X_CHIP_E1_OFST)
2216 #define BNX2X_CHIP_MASK_E1H (1 << BNX2X_CHIP_E1H_OFST)
2217 #define BNX2X_CHIP_MASK_E2 (1 << BNX2X_CHIP_E2_OFST)
2218 #define BNX2X_CHIP_MASK_E3 (1 << BNX2X_CHIP_E3_OFST)
2219 #define BNX2X_CHIP_MASK_E3B0 (1 << BNX2X_CHIP_E3B0_OFST)
2220
2221 #define BNX2X_CHIP_MASK_ALL ((1 << BNX2X_CHIP_MAX_OFST) - 1)
2222 #define BNX2X_CHIP_MASK_E1X (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
2223
bnx2x_test_registers(struct bnx2x * bp)2224 static int bnx2x_test_registers(struct bnx2x *bp)
2225 {
2226 int idx, i, rc = -ENODEV;
2227 u32 wr_val = 0, hw;
2228 int port = BP_PORT(bp);
2229 static const struct {
2230 u32 hw;
2231 u32 offset0;
2232 u32 offset1;
2233 u32 mask;
2234 } reg_tbl[] = {
2235 /* 0 */ { BNX2X_CHIP_MASK_ALL,
2236 BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
2237 { BNX2X_CHIP_MASK_ALL,
2238 DORQ_REG_DB_ADDR0, 4, 0xffffffff },
2239 { BNX2X_CHIP_MASK_E1X,
2240 HC_REG_AGG_INT_0, 4, 0x000003ff },
2241 { BNX2X_CHIP_MASK_ALL,
2242 PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
2243 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
2244 PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
2245 { BNX2X_CHIP_MASK_E3B0,
2246 PBF_REG_INIT_CRD_Q0, 4, 0x000007ff },
2247 { BNX2X_CHIP_MASK_ALL,
2248 PRS_REG_CID_PORT_0, 4, 0x00ffffff },
2249 { BNX2X_CHIP_MASK_ALL,
2250 PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
2251 { BNX2X_CHIP_MASK_ALL,
2252 PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2253 { BNX2X_CHIP_MASK_ALL,
2254 PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
2255 /* 10 */ { BNX2X_CHIP_MASK_ALL,
2256 PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
2257 { BNX2X_CHIP_MASK_ALL,
2258 PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
2259 { BNX2X_CHIP_MASK_ALL,
2260 QM_REG_CONNNUM_0, 4, 0x000fffff },
2261 { BNX2X_CHIP_MASK_ALL,
2262 TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
2263 { BNX2X_CHIP_MASK_ALL,
2264 SRC_REG_KEYRSS0_0, 40, 0xffffffff },
2265 { BNX2X_CHIP_MASK_ALL,
2266 SRC_REG_KEYRSS0_7, 40, 0xffffffff },
2267 { BNX2X_CHIP_MASK_ALL,
2268 XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
2269 { BNX2X_CHIP_MASK_ALL,
2270 XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
2271 { BNX2X_CHIP_MASK_ALL,
2272 XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
2273 { BNX2X_CHIP_MASK_ALL,
2274 NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
2275 /* 20 */ { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2276 NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
2277 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2278 NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
2279 { BNX2X_CHIP_MASK_ALL,
2280 NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
2281 { BNX2X_CHIP_MASK_ALL,
2282 NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
2283 { BNX2X_CHIP_MASK_ALL,
2284 NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
2285 { BNX2X_CHIP_MASK_ALL,
2286 NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
2287 { BNX2X_CHIP_MASK_ALL,
2288 NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
2289 { BNX2X_CHIP_MASK_ALL,
2290 NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
2291 { BNX2X_CHIP_MASK_ALL,
2292 NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
2293 { BNX2X_CHIP_MASK_ALL,
2294 NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
2295 /* 30 */ { BNX2X_CHIP_MASK_ALL,
2296 NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
2297 { BNX2X_CHIP_MASK_ALL,
2298 NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
2299 { BNX2X_CHIP_MASK_ALL,
2300 NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
2301 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2302 NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
2303 { BNX2X_CHIP_MASK_ALL,
2304 NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
2305 { BNX2X_CHIP_MASK_ALL,
2306 NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
2307 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2308 NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
2309 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
2310 NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
2311
2312 { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
2313 };
2314
2315 if (!bnx2x_is_nvm_accessible(bp)) {
2316 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2317 "cannot access eeprom when the interface is down\n");
2318 return rc;
2319 }
2320
2321 if (CHIP_IS_E1(bp))
2322 hw = BNX2X_CHIP_MASK_E1;
2323 else if (CHIP_IS_E1H(bp))
2324 hw = BNX2X_CHIP_MASK_E1H;
2325 else if (CHIP_IS_E2(bp))
2326 hw = BNX2X_CHIP_MASK_E2;
2327 else if (CHIP_IS_E3B0(bp))
2328 hw = BNX2X_CHIP_MASK_E3B0;
2329 else /* e3 A0 */
2330 hw = BNX2X_CHIP_MASK_E3;
2331
2332 /* Repeat the test twice:
2333 * First by writing 0x00000000, second by writing 0xffffffff
2334 */
2335 for (idx = 0; idx < 2; idx++) {
2336
2337 switch (idx) {
2338 case 0:
2339 wr_val = 0;
2340 break;
2341 case 1:
2342 wr_val = 0xffffffff;
2343 break;
2344 }
2345
2346 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
2347 u32 offset, mask, save_val, val;
2348 if (!(hw & reg_tbl[i].hw))
2349 continue;
2350
2351 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
2352 mask = reg_tbl[i].mask;
2353
2354 save_val = REG_RD(bp, offset);
2355
2356 REG_WR(bp, offset, wr_val & mask);
2357
2358 val = REG_RD(bp, offset);
2359
2360 /* Restore the original register's value */
2361 REG_WR(bp, offset, save_val);
2362
2363 /* verify value is as expected */
2364 if ((val & mask) != (wr_val & mask)) {
2365 DP(BNX2X_MSG_ETHTOOL,
2366 "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
2367 offset, val, wr_val, mask);
2368 goto test_reg_exit;
2369 }
2370 }
2371 }
2372
2373 rc = 0;
2374
2375 test_reg_exit:
2376 return rc;
2377 }
2378
bnx2x_test_memory(struct bnx2x * bp)2379 static int bnx2x_test_memory(struct bnx2x *bp)
2380 {
2381 int i, j, rc = -ENODEV;
2382 u32 val, index;
2383 static const struct {
2384 u32 offset;
2385 int size;
2386 } mem_tbl[] = {
2387 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
2388 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
2389 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
2390 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
2391 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
2392 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
2393 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
2394
2395 { 0xffffffff, 0 }
2396 };
2397
2398 static const struct {
2399 char *name;
2400 u32 offset;
2401 u32 hw_mask[BNX2X_CHIP_MAX_OFST];
2402 } prty_tbl[] = {
2403 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS,
2404 {0x3ffc0, 0, 0, 0} },
2405 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS,
2406 {0x2, 0x2, 0, 0} },
2407 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
2408 {0, 0, 0, 0} },
2409 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS,
2410 {0x3ffc0, 0, 0, 0} },
2411 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS,
2412 {0x3ffc0, 0, 0, 0} },
2413 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS,
2414 {0x3ffc1, 0, 0, 0} },
2415
2416 { NULL, 0xffffffff, {0, 0, 0, 0} }
2417 };
2418
2419 if (!bnx2x_is_nvm_accessible(bp)) {
2420 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2421 "cannot access eeprom when the interface is down\n");
2422 return rc;
2423 }
2424
2425 if (CHIP_IS_E1(bp))
2426 index = BNX2X_CHIP_E1_OFST;
2427 else if (CHIP_IS_E1H(bp))
2428 index = BNX2X_CHIP_E1H_OFST;
2429 else if (CHIP_IS_E2(bp))
2430 index = BNX2X_CHIP_E2_OFST;
2431 else /* e3 */
2432 index = BNX2X_CHIP_E3_OFST;
2433
2434 /* pre-Check the parity status */
2435 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2436 val = REG_RD(bp, prty_tbl[i].offset);
2437 if (val & ~(prty_tbl[i].hw_mask[index])) {
2438 DP(BNX2X_MSG_ETHTOOL,
2439 "%s is 0x%x\n", prty_tbl[i].name, val);
2440 goto test_mem_exit;
2441 }
2442 }
2443
2444 /* Go through all the memories */
2445 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
2446 for (j = 0; j < mem_tbl[i].size; j++)
2447 REG_RD(bp, mem_tbl[i].offset + j*4);
2448
2449 /* Check the parity status */
2450 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
2451 val = REG_RD(bp, prty_tbl[i].offset);
2452 if (val & ~(prty_tbl[i].hw_mask[index])) {
2453 DP(BNX2X_MSG_ETHTOOL,
2454 "%s is 0x%x\n", prty_tbl[i].name, val);
2455 goto test_mem_exit;
2456 }
2457 }
2458
2459 rc = 0;
2460
2461 test_mem_exit:
2462 return rc;
2463 }
2464
bnx2x_wait_for_link(struct bnx2x * bp,u8 link_up,u8 is_serdes)2465 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
2466 {
2467 int cnt = 1400;
2468
2469 if (link_up) {
2470 while (bnx2x_link_test(bp, is_serdes) && cnt--)
2471 msleep(20);
2472
2473 if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
2474 DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n");
2475
2476 cnt = 1400;
2477 while (!bp->link_vars.link_up && cnt--)
2478 msleep(20);
2479
2480 if (cnt <= 0 && !bp->link_vars.link_up)
2481 DP(BNX2X_MSG_ETHTOOL,
2482 "Timeout waiting for link init\n");
2483 }
2484 }
2485
bnx2x_run_loopback(struct bnx2x * bp,int loopback_mode)2486 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
2487 {
2488 unsigned int pkt_size, num_pkts, i;
2489 struct sk_buff *skb;
2490 unsigned char *packet;
2491 struct bnx2x_fastpath *fp_rx = &bp->fp[0];
2492 struct bnx2x_fastpath *fp_tx = &bp->fp[0];
2493 struct bnx2x_fp_txdata *txdata = fp_tx->txdata_ptr[0];
2494 u16 tx_start_idx, tx_idx;
2495 u16 rx_start_idx, rx_idx;
2496 u16 pkt_prod, bd_prod;
2497 struct sw_tx_bd *tx_buf;
2498 struct eth_tx_start_bd *tx_start_bd;
2499 dma_addr_t mapping;
2500 union eth_rx_cqe *cqe;
2501 u8 cqe_fp_flags, cqe_fp_type;
2502 struct sw_rx_bd *rx_buf;
2503 u16 len;
2504 int rc = -ENODEV;
2505 u8 *data;
2506 struct netdev_queue *txq = netdev_get_tx_queue(bp->dev,
2507 txdata->txq_index);
2508
2509 /* check the loopback mode */
2510 switch (loopback_mode) {
2511 case BNX2X_PHY_LOOPBACK:
2512 if (bp->link_params.loopback_mode != LOOPBACK_XGXS) {
2513 DP(BNX2X_MSG_ETHTOOL, "PHY loopback not supported\n");
2514 return -EINVAL;
2515 }
2516 break;
2517 case BNX2X_MAC_LOOPBACK:
2518 if (CHIP_IS_E3(bp)) {
2519 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
2520 if (bp->port.supported[cfg_idx] &
2521 (SUPPORTED_10000baseT_Full |
2522 SUPPORTED_20000baseMLD2_Full |
2523 SUPPORTED_20000baseKR2_Full))
2524 bp->link_params.loopback_mode = LOOPBACK_XMAC;
2525 else
2526 bp->link_params.loopback_mode = LOOPBACK_UMAC;
2527 } else
2528 bp->link_params.loopback_mode = LOOPBACK_BMAC;
2529
2530 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
2531 break;
2532 case BNX2X_EXT_LOOPBACK:
2533 if (bp->link_params.loopback_mode != LOOPBACK_EXT) {
2534 DP(BNX2X_MSG_ETHTOOL,
2535 "Can't configure external loopback\n");
2536 return -EINVAL;
2537 }
2538 break;
2539 default:
2540 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
2541 return -EINVAL;
2542 }
2543
2544 /* prepare the loopback packet */
2545 pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
2546 bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
2547 skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
2548 if (!skb) {
2549 DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n");
2550 rc = -ENOMEM;
2551 goto test_loopback_exit;
2552 }
2553 packet = skb_put(skb, pkt_size);
2554 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
2555 eth_zero_addr(packet + ETH_ALEN);
2556 memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
2557 for (i = ETH_HLEN; i < pkt_size; i++)
2558 packet[i] = (unsigned char) (i & 0xff);
2559 mapping = dma_map_single(&bp->pdev->dev, skb->data,
2560 skb_headlen(skb), DMA_TO_DEVICE);
2561 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
2562 rc = -ENOMEM;
2563 dev_kfree_skb(skb);
2564 DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n");
2565 goto test_loopback_exit;
2566 }
2567
2568 /* send the loopback packet */
2569 num_pkts = 0;
2570 tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
2571 rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2572
2573 netdev_tx_sent_queue(txq, skb->len);
2574
2575 pkt_prod = txdata->tx_pkt_prod++;
2576 tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
2577 tx_buf->first_bd = txdata->tx_bd_prod;
2578 tx_buf->skb = skb;
2579 tx_buf->flags = 0;
2580
2581 bd_prod = TX_BD(txdata->tx_bd_prod);
2582 tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
2583 tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
2584 tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
2585 tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
2586 tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
2587 tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
2588 tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
2589 SET_FLAG(tx_start_bd->general_data,
2590 ETH_TX_START_BD_HDR_NBDS,
2591 1);
2592 SET_FLAG(tx_start_bd->general_data,
2593 ETH_TX_START_BD_PARSE_NBDS,
2594 0);
2595
2596 /* turn on parsing and get a BD */
2597 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
2598
2599 if (CHIP_IS_E1x(bp)) {
2600 u16 global_data = 0;
2601 struct eth_tx_parse_bd_e1x *pbd_e1x =
2602 &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
2603 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
2604 SET_FLAG(global_data,
2605 ETH_TX_PARSE_BD_E1X_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2606 pbd_e1x->global_data = cpu_to_le16(global_data);
2607 } else {
2608 u32 parsing_data = 0;
2609 struct eth_tx_parse_bd_e2 *pbd_e2 =
2610 &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
2611 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
2612 SET_FLAG(parsing_data,
2613 ETH_TX_PARSE_BD_E2_ETH_ADDR_TYPE, UNICAST_ADDRESS);
2614 pbd_e2->parsing_data = cpu_to_le32(parsing_data);
2615 }
2616 wmb();
2617
2618 txdata->tx_db.data.prod += 2;
2619 /* make sure descriptor update is observed by the HW */
2620 wmb();
2621 DOORBELL_RELAXED(bp, txdata->cid, txdata->tx_db.raw);
2622
2623 barrier();
2624
2625 num_pkts++;
2626 txdata->tx_bd_prod += 2; /* start + pbd */
2627
2628 udelay(100);
2629
2630 tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
2631 if (tx_idx != tx_start_idx + num_pkts)
2632 goto test_loopback_exit;
2633
2634 /* Unlike HC IGU won't generate an interrupt for status block
2635 * updates that have been performed while interrupts were
2636 * disabled.
2637 */
2638 if (bp->common.int_block == INT_BLOCK_IGU) {
2639 /* Disable local BHes to prevent a dead-lock situation between
2640 * sch_direct_xmit() and bnx2x_run_loopback() (calling
2641 * bnx2x_tx_int()), as both are taking netif_tx_lock().
2642 */
2643 local_bh_disable();
2644 bnx2x_tx_int(bp, txdata);
2645 local_bh_enable();
2646 }
2647
2648 rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
2649 if (rx_idx != rx_start_idx + num_pkts)
2650 goto test_loopback_exit;
2651
2652 cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
2653 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
2654 cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
2655 if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
2656 goto test_loopback_rx_exit;
2657
2658 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len);
2659 if (len != pkt_size)
2660 goto test_loopback_rx_exit;
2661
2662 rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
2663 dma_sync_single_for_cpu(&bp->pdev->dev,
2664 dma_unmap_addr(rx_buf, mapping),
2665 fp_rx->rx_buf_size, DMA_FROM_DEVICE);
2666 data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
2667 for (i = ETH_HLEN; i < pkt_size; i++)
2668 if (*(data + i) != (unsigned char) (i & 0xff))
2669 goto test_loopback_rx_exit;
2670
2671 rc = 0;
2672
2673 test_loopback_rx_exit:
2674
2675 fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
2676 fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
2677 fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
2678 fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
2679
2680 /* Update producers */
2681 bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
2682 fp_rx->rx_sge_prod);
2683
2684 test_loopback_exit:
2685 bp->link_params.loopback_mode = LOOPBACK_NONE;
2686
2687 return rc;
2688 }
2689
bnx2x_test_loopback(struct bnx2x * bp)2690 static int bnx2x_test_loopback(struct bnx2x *bp)
2691 {
2692 int rc = 0, res;
2693
2694 if (BP_NOMCP(bp))
2695 return rc;
2696
2697 if (!netif_running(bp->dev))
2698 return BNX2X_LOOPBACK_FAILED;
2699
2700 bnx2x_netif_stop(bp, 1);
2701 bnx2x_acquire_phy_lock(bp);
2702
2703 res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
2704 if (res) {
2705 DP(BNX2X_MSG_ETHTOOL, " PHY loopback failed (res %d)\n", res);
2706 rc |= BNX2X_PHY_LOOPBACK_FAILED;
2707 }
2708
2709 res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
2710 if (res) {
2711 DP(BNX2X_MSG_ETHTOOL, " MAC loopback failed (res %d)\n", res);
2712 rc |= BNX2X_MAC_LOOPBACK_FAILED;
2713 }
2714
2715 bnx2x_release_phy_lock(bp);
2716 bnx2x_netif_start(bp);
2717
2718 return rc;
2719 }
2720
bnx2x_test_ext_loopback(struct bnx2x * bp)2721 static int bnx2x_test_ext_loopback(struct bnx2x *bp)
2722 {
2723 int rc;
2724 u8 is_serdes =
2725 (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2726
2727 if (BP_NOMCP(bp))
2728 return -ENODEV;
2729
2730 if (!netif_running(bp->dev))
2731 return BNX2X_EXT_LOOPBACK_FAILED;
2732
2733 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
2734 rc = bnx2x_nic_load(bp, LOAD_LOOPBACK_EXT);
2735 if (rc) {
2736 DP(BNX2X_MSG_ETHTOOL,
2737 "Can't perform self-test, nic_load (for external lb) failed\n");
2738 return -ENODEV;
2739 }
2740 bnx2x_wait_for_link(bp, 1, is_serdes);
2741
2742 bnx2x_netif_stop(bp, 1);
2743
2744 rc = bnx2x_run_loopback(bp, BNX2X_EXT_LOOPBACK);
2745 if (rc)
2746 DP(BNX2X_MSG_ETHTOOL, "EXT loopback failed (res %d)\n", rc);
2747
2748 bnx2x_netif_start(bp);
2749
2750 return rc;
2751 }
2752
2753 struct code_entry {
2754 u32 sram_start_addr;
2755 u32 code_attribute;
2756 #define CODE_IMAGE_TYPE_MASK 0xf0800003
2757 #define CODE_IMAGE_VNTAG_PROFILES_DATA 0xd0000003
2758 #define CODE_IMAGE_LENGTH_MASK 0x007ffffc
2759 #define CODE_IMAGE_TYPE_EXTENDED_DIR 0xe0000000
2760 u32 nvm_start_addr;
2761 };
2762
2763 #define CODE_ENTRY_MAX 16
2764 #define CODE_ENTRY_EXTENDED_DIR_IDX 15
2765 #define MAX_IMAGES_IN_EXTENDED_DIR 64
2766 #define NVRAM_DIR_OFFSET 0x14
2767
2768 #define EXTENDED_DIR_EXISTS(code) \
2769 ((code & CODE_IMAGE_TYPE_MASK) == CODE_IMAGE_TYPE_EXTENDED_DIR && \
2770 (code & CODE_IMAGE_LENGTH_MASK) != 0)
2771
2772 #define CRC32_RESIDUAL 0xdebb20e3
2773 #define CRC_BUFF_SIZE 256
2774
bnx2x_nvram_crc(struct bnx2x * bp,int offset,int size,u8 * buff)2775 static int bnx2x_nvram_crc(struct bnx2x *bp,
2776 int offset,
2777 int size,
2778 u8 *buff)
2779 {
2780 u32 crc = ~0;
2781 int rc = 0, done = 0;
2782
2783 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2784 "NVRAM CRC from 0x%08x to 0x%08x\n", offset, offset + size);
2785
2786 while (done < size) {
2787 int count = min_t(int, size - done, CRC_BUFF_SIZE);
2788
2789 rc = bnx2x_nvram_read(bp, offset + done, buff, count);
2790
2791 if (rc)
2792 return rc;
2793
2794 crc = crc32_le(crc, buff, count);
2795 done += count;
2796 }
2797
2798 if (crc != CRC32_RESIDUAL)
2799 rc = -EINVAL;
2800
2801 return rc;
2802 }
2803
bnx2x_test_nvram_dir(struct bnx2x * bp,struct code_entry * entry,u8 * buff)2804 static int bnx2x_test_nvram_dir(struct bnx2x *bp,
2805 struct code_entry *entry,
2806 u8 *buff)
2807 {
2808 size_t size = entry->code_attribute & CODE_IMAGE_LENGTH_MASK;
2809 u32 type = entry->code_attribute & CODE_IMAGE_TYPE_MASK;
2810 int rc;
2811
2812 /* Zero-length images and AFEX profiles do not have CRC */
2813 if (size == 0 || type == CODE_IMAGE_VNTAG_PROFILES_DATA)
2814 return 0;
2815
2816 rc = bnx2x_nvram_crc(bp, entry->nvm_start_addr, size, buff);
2817 if (rc)
2818 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2819 "image %x has failed crc test (rc %d)\n", type, rc);
2820
2821 return rc;
2822 }
2823
bnx2x_test_dir_entry(struct bnx2x * bp,u32 addr,u8 * buff)2824 static int bnx2x_test_dir_entry(struct bnx2x *bp, u32 addr, u8 *buff)
2825 {
2826 int rc;
2827 struct code_entry entry;
2828
2829 rc = bnx2x_nvram_read32(bp, addr, (u32 *)&entry, sizeof(entry));
2830 if (rc)
2831 return rc;
2832
2833 return bnx2x_test_nvram_dir(bp, &entry, buff);
2834 }
2835
bnx2x_test_nvram_ext_dirs(struct bnx2x * bp,u8 * buff)2836 static int bnx2x_test_nvram_ext_dirs(struct bnx2x *bp, u8 *buff)
2837 {
2838 u32 rc, cnt, dir_offset = NVRAM_DIR_OFFSET;
2839 struct code_entry entry;
2840 int i;
2841
2842 rc = bnx2x_nvram_read32(bp,
2843 dir_offset +
2844 sizeof(entry) * CODE_ENTRY_EXTENDED_DIR_IDX,
2845 (u32 *)&entry, sizeof(entry));
2846 if (rc)
2847 return rc;
2848
2849 if (!EXTENDED_DIR_EXISTS(entry.code_attribute))
2850 return 0;
2851
2852 rc = bnx2x_nvram_read32(bp, entry.nvm_start_addr,
2853 &cnt, sizeof(u32));
2854 if (rc)
2855 return rc;
2856
2857 dir_offset = entry.nvm_start_addr + 8;
2858
2859 for (i = 0; i < cnt && i < MAX_IMAGES_IN_EXTENDED_DIR; i++) {
2860 rc = bnx2x_test_dir_entry(bp, dir_offset +
2861 sizeof(struct code_entry) * i,
2862 buff);
2863 if (rc)
2864 return rc;
2865 }
2866
2867 return 0;
2868 }
2869
bnx2x_test_nvram_dirs(struct bnx2x * bp,u8 * buff)2870 static int bnx2x_test_nvram_dirs(struct bnx2x *bp, u8 *buff)
2871 {
2872 u32 rc, dir_offset = NVRAM_DIR_OFFSET;
2873 int i;
2874
2875 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "NVRAM DIRS CRC test-set\n");
2876
2877 for (i = 0; i < CODE_ENTRY_EXTENDED_DIR_IDX; i++) {
2878 rc = bnx2x_test_dir_entry(bp, dir_offset +
2879 sizeof(struct code_entry) * i,
2880 buff);
2881 if (rc)
2882 return rc;
2883 }
2884
2885 return bnx2x_test_nvram_ext_dirs(bp, buff);
2886 }
2887
2888 struct crc_pair {
2889 int offset;
2890 int size;
2891 };
2892
bnx2x_test_nvram_tbl(struct bnx2x * bp,const struct crc_pair * nvram_tbl,u8 * buf)2893 static int bnx2x_test_nvram_tbl(struct bnx2x *bp,
2894 const struct crc_pair *nvram_tbl, u8 *buf)
2895 {
2896 int i;
2897
2898 for (i = 0; nvram_tbl[i].size; i++) {
2899 int rc = bnx2x_nvram_crc(bp, nvram_tbl[i].offset,
2900 nvram_tbl[i].size, buf);
2901 if (rc) {
2902 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2903 "nvram_tbl[%d] has failed crc test (rc %d)\n",
2904 i, rc);
2905 return rc;
2906 }
2907 }
2908
2909 return 0;
2910 }
2911
bnx2x_test_nvram(struct bnx2x * bp)2912 static int bnx2x_test_nvram(struct bnx2x *bp)
2913 {
2914 static const struct crc_pair nvram_tbl[] = {
2915 { 0, 0x14 }, /* bootstrap */
2916 { 0x14, 0xec }, /* dir */
2917 { 0x100, 0x350 }, /* manuf_info */
2918 { 0x450, 0xf0 }, /* feature_info */
2919 { 0x640, 0x64 }, /* upgrade_key_info */
2920 { 0x708, 0x70 }, /* manuf_key_info */
2921 { 0, 0 }
2922 };
2923 static const struct crc_pair nvram_tbl2[] = {
2924 { 0x7e8, 0x350 }, /* manuf_info2 */
2925 { 0xb38, 0xf0 }, /* feature_info */
2926 { 0, 0 }
2927 };
2928
2929 u8 *buf;
2930 int rc;
2931 u32 magic;
2932
2933 if (BP_NOMCP(bp))
2934 return 0;
2935
2936 buf = kmalloc(CRC_BUFF_SIZE, GFP_KERNEL);
2937 if (!buf) {
2938 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
2939 rc = -ENOMEM;
2940 goto test_nvram_exit;
2941 }
2942
2943 rc = bnx2x_nvram_read32(bp, 0, &magic, sizeof(magic));
2944 if (rc) {
2945 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2946 "magic value read (rc %d)\n", rc);
2947 goto test_nvram_exit;
2948 }
2949
2950 if (magic != 0x669955aa) {
2951 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2952 "wrong magic value (0x%08x)\n", magic);
2953 rc = -ENODEV;
2954 goto test_nvram_exit;
2955 }
2956
2957 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "Port 0 CRC test-set\n");
2958 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl, buf);
2959 if (rc)
2960 goto test_nvram_exit;
2961
2962 if (!CHIP_IS_E1x(bp) && !CHIP_IS_57811xx(bp)) {
2963 u32 hide = SHMEM_RD(bp, dev_info.shared_hw_config.config2) &
2964 SHARED_HW_CFG_HIDE_PORT1;
2965
2966 if (!hide) {
2967 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2968 "Port 1 CRC test-set\n");
2969 rc = bnx2x_test_nvram_tbl(bp, nvram_tbl2, buf);
2970 if (rc)
2971 goto test_nvram_exit;
2972 }
2973 }
2974
2975 rc = bnx2x_test_nvram_dirs(bp, buf);
2976
2977 test_nvram_exit:
2978 kfree(buf);
2979 return rc;
2980 }
2981
2982 /* Send an EMPTY ramrod on the first queue */
bnx2x_test_intr(struct bnx2x * bp)2983 static int bnx2x_test_intr(struct bnx2x *bp)
2984 {
2985 struct bnx2x_queue_state_params params = {NULL};
2986
2987 if (!netif_running(bp->dev)) {
2988 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2989 "cannot access eeprom when the interface is down\n");
2990 return -ENODEV;
2991 }
2992
2993 params.q_obj = &bp->sp_objs->q_obj;
2994 params.cmd = BNX2X_Q_CMD_EMPTY;
2995
2996 __set_bit(RAMROD_COMP_WAIT, ¶ms.ramrod_flags);
2997
2998 return bnx2x_queue_state_change(bp, ¶ms);
2999 }
3000
bnx2x_self_test(struct net_device * dev,struct ethtool_test * etest,u64 * buf)3001 static void bnx2x_self_test(struct net_device *dev,
3002 struct ethtool_test *etest, u64 *buf)
3003 {
3004 struct bnx2x *bp = netdev_priv(dev);
3005 u8 is_serdes, link_up;
3006 int rc, cnt = 0;
3007
3008 if (pci_num_vf(bp->pdev)) {
3009 DP(BNX2X_MSG_IOV,
3010 "VFs are enabled, can not perform self test\n");
3011 return;
3012 }
3013
3014 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
3015 netdev_err(bp->dev,
3016 "Handling parity error recovery. Try again later\n");
3017 etest->flags |= ETH_TEST_FL_FAILED;
3018 return;
3019 }
3020
3021 DP(BNX2X_MSG_ETHTOOL,
3022 "Self-test command parameters: offline = %d, external_lb = %d\n",
3023 (etest->flags & ETH_TEST_FL_OFFLINE),
3024 (etest->flags & ETH_TEST_FL_EXTERNAL_LB)>>2);
3025
3026 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS(bp));
3027
3028 if (bnx2x_test_nvram(bp) != 0) {
3029 if (!IS_MF(bp))
3030 buf[4] = 1;
3031 else
3032 buf[0] = 1;
3033 etest->flags |= ETH_TEST_FL_FAILED;
3034 }
3035
3036 if (!netif_running(dev)) {
3037 DP(BNX2X_MSG_ETHTOOL, "Interface is down\n");
3038 return;
3039 }
3040
3041 is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
3042 link_up = bp->link_vars.link_up;
3043 /* offline tests are not supported in MF mode */
3044 if ((etest->flags & ETH_TEST_FL_OFFLINE) && !IS_MF(bp)) {
3045 int port = BP_PORT(bp);
3046 u32 val;
3047
3048 /* save current value of input enable for TX port IF */
3049 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
3050 /* disable input for TX port IF */
3051 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
3052
3053 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
3054 rc = bnx2x_nic_load(bp, LOAD_DIAG);
3055 if (rc) {
3056 etest->flags |= ETH_TEST_FL_FAILED;
3057 DP(BNX2X_MSG_ETHTOOL,
3058 "Can't perform self-test, nic_load (for offline) failed\n");
3059 return;
3060 }
3061
3062 /* wait until link state is restored */
3063 bnx2x_wait_for_link(bp, 1, is_serdes);
3064
3065 if (bnx2x_test_registers(bp) != 0) {
3066 buf[0] = 1;
3067 etest->flags |= ETH_TEST_FL_FAILED;
3068 }
3069 if (bnx2x_test_memory(bp) != 0) {
3070 buf[1] = 1;
3071 etest->flags |= ETH_TEST_FL_FAILED;
3072 }
3073
3074 buf[2] = bnx2x_test_loopback(bp); /* internal LB */
3075 if (buf[2] != 0)
3076 etest->flags |= ETH_TEST_FL_FAILED;
3077
3078 if (etest->flags & ETH_TEST_FL_EXTERNAL_LB) {
3079 buf[3] = bnx2x_test_ext_loopback(bp); /* external LB */
3080 if (buf[3] != 0)
3081 etest->flags |= ETH_TEST_FL_FAILED;
3082 etest->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
3083 }
3084
3085 bnx2x_nic_unload(bp, UNLOAD_NORMAL, false);
3086
3087 /* restore input for TX port IF */
3088 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
3089 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
3090 if (rc) {
3091 etest->flags |= ETH_TEST_FL_FAILED;
3092 DP(BNX2X_MSG_ETHTOOL,
3093 "Can't perform self-test, nic_load (for online) failed\n");
3094 return;
3095 }
3096 /* wait until link state is restored */
3097 bnx2x_wait_for_link(bp, link_up, is_serdes);
3098 }
3099
3100 if (bnx2x_test_intr(bp) != 0) {
3101 if (!IS_MF(bp))
3102 buf[5] = 1;
3103 else
3104 buf[1] = 1;
3105 etest->flags |= ETH_TEST_FL_FAILED;
3106 }
3107
3108 if (link_up) {
3109 cnt = 100;
3110 while (bnx2x_link_test(bp, is_serdes) && --cnt)
3111 msleep(20);
3112 }
3113
3114 if (!cnt) {
3115 if (!IS_MF(bp))
3116 buf[6] = 1;
3117 else
3118 buf[2] = 1;
3119 etest->flags |= ETH_TEST_FL_FAILED;
3120 }
3121 }
3122
3123 #define IS_PORT_STAT(i) (bnx2x_stats_arr[i].is_port_stat)
3124 #define HIDE_PORT_STAT(bp) IS_VF(bp)
3125
3126 /* ethtool statistics are displayed for all regular ethernet queues and the
3127 * fcoe L2 queue if not disabled
3128 */
bnx2x_num_stat_queues(struct bnx2x * bp)3129 static int bnx2x_num_stat_queues(struct bnx2x *bp)
3130 {
3131 return BNX2X_NUM_ETH_QUEUES(bp);
3132 }
3133
bnx2x_get_sset_count(struct net_device * dev,int stringset)3134 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
3135 {
3136 struct bnx2x *bp = netdev_priv(dev);
3137 int i, num_strings = 0;
3138
3139 switch (stringset) {
3140 case ETH_SS_STATS:
3141 if (is_multi(bp)) {
3142 num_strings = bnx2x_num_stat_queues(bp) *
3143 BNX2X_NUM_Q_STATS;
3144 } else
3145 num_strings = 0;
3146 if (HIDE_PORT_STAT(bp)) {
3147 for (i = 0; i < BNX2X_NUM_STATS; i++)
3148 if (!IS_PORT_STAT(i))
3149 num_strings++;
3150 } else
3151 num_strings += BNX2X_NUM_STATS;
3152
3153 return num_strings;
3154
3155 case ETH_SS_TEST:
3156 return BNX2X_NUM_TESTS(bp);
3157
3158 case ETH_SS_PRIV_FLAGS:
3159 return BNX2X_PRI_FLAG_LEN;
3160
3161 default:
3162 return -EINVAL;
3163 }
3164 }
3165
bnx2x_get_private_flags(struct net_device * dev)3166 static u32 bnx2x_get_private_flags(struct net_device *dev)
3167 {
3168 struct bnx2x *bp = netdev_priv(dev);
3169 u32 flags = 0;
3170
3171 flags |= (!(bp->flags & NO_ISCSI_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_ISCSI;
3172 flags |= (!(bp->flags & NO_FCOE_FLAG) ? 1 : 0) << BNX2X_PRI_FLAG_FCOE;
3173 flags |= (!!IS_MF_STORAGE_ONLY(bp)) << BNX2X_PRI_FLAG_STORAGE;
3174
3175 return flags;
3176 }
3177
bnx2x_get_strings(struct net_device * dev,u32 stringset,u8 * buf)3178 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
3179 {
3180 struct bnx2x *bp = netdev_priv(dev);
3181 int i, j, k, start;
3182 char queue_name[MAX_QUEUE_NAME_LEN+1];
3183
3184 switch (stringset) {
3185 case ETH_SS_STATS:
3186 k = 0;
3187 if (is_multi(bp)) {
3188 for_each_eth_queue(bp, i) {
3189 memset(queue_name, 0, sizeof(queue_name));
3190 snprintf(queue_name, sizeof(queue_name),
3191 "%d", i);
3192 for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
3193 snprintf(buf + (k + j)*ETH_GSTRING_LEN,
3194 ETH_GSTRING_LEN,
3195 bnx2x_q_stats_arr[j].string,
3196 queue_name);
3197 k += BNX2X_NUM_Q_STATS;
3198 }
3199 }
3200
3201 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3202 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3203 continue;
3204 strcpy(buf + (k + j)*ETH_GSTRING_LEN,
3205 bnx2x_stats_arr[i].string);
3206 j++;
3207 }
3208
3209 break;
3210
3211 case ETH_SS_TEST:
3212 /* First 4 tests cannot be done in MF mode */
3213 if (!IS_MF(bp))
3214 start = 0;
3215 else
3216 start = 4;
3217 memcpy(buf, bnx2x_tests_str_arr + start,
3218 ETH_GSTRING_LEN * BNX2X_NUM_TESTS(bp));
3219 break;
3220
3221 case ETH_SS_PRIV_FLAGS:
3222 memcpy(buf, bnx2x_private_arr,
3223 ETH_GSTRING_LEN * BNX2X_PRI_FLAG_LEN);
3224 break;
3225 }
3226 }
3227
bnx2x_get_ethtool_stats(struct net_device * dev,struct ethtool_stats * stats,u64 * buf)3228 static void bnx2x_get_ethtool_stats(struct net_device *dev,
3229 struct ethtool_stats *stats, u64 *buf)
3230 {
3231 struct bnx2x *bp = netdev_priv(dev);
3232 u32 *hw_stats, *offset;
3233 int i, j, k = 0;
3234
3235 if (is_multi(bp)) {
3236 for_each_eth_queue(bp, i) {
3237 hw_stats = (u32 *)&bp->fp_stats[i].eth_q_stats;
3238 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
3239 if (bnx2x_q_stats_arr[j].size == 0) {
3240 /* skip this counter */
3241 buf[k + j] = 0;
3242 continue;
3243 }
3244 offset = (hw_stats +
3245 bnx2x_q_stats_arr[j].offset);
3246 if (bnx2x_q_stats_arr[j].size == 4) {
3247 /* 4-byte counter */
3248 buf[k + j] = (u64) *offset;
3249 continue;
3250 }
3251 /* 8-byte counter */
3252 buf[k + j] = HILO_U64(*offset, *(offset + 1));
3253 }
3254 k += BNX2X_NUM_Q_STATS;
3255 }
3256 }
3257
3258 hw_stats = (u32 *)&bp->eth_stats;
3259 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
3260 if (HIDE_PORT_STAT(bp) && IS_PORT_STAT(i))
3261 continue;
3262 if (bnx2x_stats_arr[i].size == 0) {
3263 /* skip this counter */
3264 buf[k + j] = 0;
3265 j++;
3266 continue;
3267 }
3268 offset = (hw_stats + bnx2x_stats_arr[i].offset);
3269 if (bnx2x_stats_arr[i].size == 4) {
3270 /* 4-byte counter */
3271 buf[k + j] = (u64) *offset;
3272 j++;
3273 continue;
3274 }
3275 /* 8-byte counter */
3276 buf[k + j] = HILO_U64(*offset, *(offset + 1));
3277 j++;
3278 }
3279 }
3280
bnx2x_set_phys_id(struct net_device * dev,enum ethtool_phys_id_state state)3281 static int bnx2x_set_phys_id(struct net_device *dev,
3282 enum ethtool_phys_id_state state)
3283 {
3284 struct bnx2x *bp = netdev_priv(dev);
3285
3286 if (!bnx2x_is_nvm_accessible(bp)) {
3287 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
3288 "cannot access eeprom when the interface is down\n");
3289 return -EAGAIN;
3290 }
3291
3292 switch (state) {
3293 case ETHTOOL_ID_ACTIVE:
3294 return 1; /* cycle on/off once per second */
3295
3296 case ETHTOOL_ID_ON:
3297 bnx2x_acquire_phy_lock(bp);
3298 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3299 LED_MODE_ON, SPEED_1000);
3300 bnx2x_release_phy_lock(bp);
3301 break;
3302
3303 case ETHTOOL_ID_OFF:
3304 bnx2x_acquire_phy_lock(bp);
3305 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3306 LED_MODE_FRONT_PANEL_OFF, 0);
3307 bnx2x_release_phy_lock(bp);
3308 break;
3309
3310 case ETHTOOL_ID_INACTIVE:
3311 bnx2x_acquire_phy_lock(bp);
3312 bnx2x_set_led(&bp->link_params, &bp->link_vars,
3313 LED_MODE_OPER,
3314 bp->link_vars.line_speed);
3315 bnx2x_release_phy_lock(bp);
3316 }
3317
3318 return 0;
3319 }
3320
bnx2x_get_rss_flags(struct bnx2x * bp,struct ethtool_rxnfc * info)3321 static int bnx2x_get_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3322 {
3323 switch (info->flow_type) {
3324 case TCP_V4_FLOW:
3325 case TCP_V6_FLOW:
3326 info->data = RXH_IP_SRC | RXH_IP_DST |
3327 RXH_L4_B_0_1 | RXH_L4_B_2_3;
3328 break;
3329 case UDP_V4_FLOW:
3330 if (bp->rss_conf_obj.udp_rss_v4)
3331 info->data = RXH_IP_SRC | RXH_IP_DST |
3332 RXH_L4_B_0_1 | RXH_L4_B_2_3;
3333 else
3334 info->data = RXH_IP_SRC | RXH_IP_DST;
3335 break;
3336 case UDP_V6_FLOW:
3337 if (bp->rss_conf_obj.udp_rss_v6)
3338 info->data = RXH_IP_SRC | RXH_IP_DST |
3339 RXH_L4_B_0_1 | RXH_L4_B_2_3;
3340 else
3341 info->data = RXH_IP_SRC | RXH_IP_DST;
3342 break;
3343 case IPV4_FLOW:
3344 case IPV6_FLOW:
3345 info->data = RXH_IP_SRC | RXH_IP_DST;
3346 break;
3347 default:
3348 info->data = 0;
3349 break;
3350 }
3351
3352 return 0;
3353 }
3354
bnx2x_get_rxnfc(struct net_device * dev,struct ethtool_rxnfc * info,u32 * rules __always_unused)3355 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
3356 u32 *rules __always_unused)
3357 {
3358 struct bnx2x *bp = netdev_priv(dev);
3359
3360 switch (info->cmd) {
3361 case ETHTOOL_GRXRINGS:
3362 info->data = BNX2X_NUM_ETH_QUEUES(bp);
3363 return 0;
3364 case ETHTOOL_GRXFH:
3365 return bnx2x_get_rss_flags(bp, info);
3366 default:
3367 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3368 return -EOPNOTSUPP;
3369 }
3370 }
3371
bnx2x_set_rss_flags(struct bnx2x * bp,struct ethtool_rxnfc * info)3372 static int bnx2x_set_rss_flags(struct bnx2x *bp, struct ethtool_rxnfc *info)
3373 {
3374 int udp_rss_requested;
3375
3376 DP(BNX2X_MSG_ETHTOOL,
3377 "Set rss flags command parameters: flow type = %d, data = %llu\n",
3378 info->flow_type, info->data);
3379
3380 switch (info->flow_type) {
3381 case TCP_V4_FLOW:
3382 case TCP_V6_FLOW:
3383 /* For TCP only 4-tupple hash is supported */
3384 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST |
3385 RXH_L4_B_0_1 | RXH_L4_B_2_3)) {
3386 DP(BNX2X_MSG_ETHTOOL,
3387 "Command parameters not supported\n");
3388 return -EINVAL;
3389 }
3390 return 0;
3391
3392 case UDP_V4_FLOW:
3393 case UDP_V6_FLOW:
3394 /* For UDP either 2-tupple hash or 4-tupple hash is supported */
3395 if (info->data == (RXH_IP_SRC | RXH_IP_DST |
3396 RXH_L4_B_0_1 | RXH_L4_B_2_3))
3397 udp_rss_requested = 1;
3398 else if (info->data == (RXH_IP_SRC | RXH_IP_DST))
3399 udp_rss_requested = 0;
3400 else
3401 return -EINVAL;
3402
3403 if (CHIP_IS_E1x(bp) && udp_rss_requested) {
3404 DP(BNX2X_MSG_ETHTOOL,
3405 "57710, 57711 boards don't support RSS according to UDP 4-tuple\n");
3406 return -EINVAL;
3407 }
3408
3409 if ((info->flow_type == UDP_V4_FLOW) &&
3410 (bp->rss_conf_obj.udp_rss_v4 != udp_rss_requested)) {
3411 bp->rss_conf_obj.udp_rss_v4 = udp_rss_requested;
3412 DP(BNX2X_MSG_ETHTOOL,
3413 "rss re-configured, UDP 4-tupple %s\n",
3414 udp_rss_requested ? "enabled" : "disabled");
3415 if (bp->state == BNX2X_STATE_OPEN)
3416 return bnx2x_rss(bp, &bp->rss_conf_obj, false,
3417 true);
3418 } else if ((info->flow_type == UDP_V6_FLOW) &&
3419 (bp->rss_conf_obj.udp_rss_v6 != udp_rss_requested)) {
3420 bp->rss_conf_obj.udp_rss_v6 = udp_rss_requested;
3421 DP(BNX2X_MSG_ETHTOOL,
3422 "rss re-configured, UDP 4-tupple %s\n",
3423 udp_rss_requested ? "enabled" : "disabled");
3424 if (bp->state == BNX2X_STATE_OPEN)
3425 return bnx2x_rss(bp, &bp->rss_conf_obj, false,
3426 true);
3427 }
3428 return 0;
3429
3430 case IPV4_FLOW:
3431 case IPV6_FLOW:
3432 /* For IP only 2-tupple hash is supported */
3433 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) {
3434 DP(BNX2X_MSG_ETHTOOL,
3435 "Command parameters not supported\n");
3436 return -EINVAL;
3437 }
3438 return 0;
3439
3440 case SCTP_V4_FLOW:
3441 case AH_ESP_V4_FLOW:
3442 case AH_V4_FLOW:
3443 case ESP_V4_FLOW:
3444 case SCTP_V6_FLOW:
3445 case AH_ESP_V6_FLOW:
3446 case AH_V6_FLOW:
3447 case ESP_V6_FLOW:
3448 case IP_USER_FLOW:
3449 case ETHER_FLOW:
3450 /* RSS is not supported for these protocols */
3451 if (info->data) {
3452 DP(BNX2X_MSG_ETHTOOL,
3453 "Command parameters not supported\n");
3454 return -EINVAL;
3455 }
3456 return 0;
3457
3458 default:
3459 return -EINVAL;
3460 }
3461 }
3462
bnx2x_set_rxnfc(struct net_device * dev,struct ethtool_rxnfc * info)3463 static int bnx2x_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info)
3464 {
3465 struct bnx2x *bp = netdev_priv(dev);
3466
3467 switch (info->cmd) {
3468 case ETHTOOL_SRXFH:
3469 return bnx2x_set_rss_flags(bp, info);
3470 default:
3471 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
3472 return -EOPNOTSUPP;
3473 }
3474 }
3475
bnx2x_get_rxfh_indir_size(struct net_device * dev)3476 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
3477 {
3478 return T_ETH_INDIRECTION_TABLE_SIZE;
3479 }
3480
bnx2x_get_rxfh(struct net_device * dev,u32 * indir,u8 * key,u8 * hfunc)3481 static int bnx2x_get_rxfh(struct net_device *dev, u32 *indir, u8 *key,
3482 u8 *hfunc)
3483 {
3484 struct bnx2x *bp = netdev_priv(dev);
3485 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
3486 size_t i;
3487
3488 if (hfunc)
3489 *hfunc = ETH_RSS_HASH_TOP;
3490 if (!indir)
3491 return 0;
3492
3493 /* Get the current configuration of the RSS indirection table */
3494 bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
3495
3496 /*
3497 * We can't use a memcpy() as an internal storage of an
3498 * indirection table is a u8 array while indir->ring_index
3499 * points to an array of u32.
3500 *
3501 * Indirection table contains the FW Client IDs, so we need to
3502 * align the returned table to the Client ID of the leading RSS
3503 * queue.
3504 */
3505 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
3506 indir[i] = ind_table[i] - bp->fp->cl_id;
3507
3508 return 0;
3509 }
3510
bnx2x_set_rxfh(struct net_device * dev,const u32 * indir,const u8 * key,const u8 hfunc)3511 static int bnx2x_set_rxfh(struct net_device *dev, const u32 *indir,
3512 const u8 *key, const u8 hfunc)
3513 {
3514 struct bnx2x *bp = netdev_priv(dev);
3515 size_t i;
3516
3517 /* We require at least one supported parameter to be changed and no
3518 * change in any of the unsupported parameters
3519 */
3520 if (key ||
3521 (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP))
3522 return -EOPNOTSUPP;
3523
3524 if (!indir)
3525 return 0;
3526
3527 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
3528 /*
3529 * The same as in bnx2x_get_rxfh: we can't use a memcpy()
3530 * as an internal storage of an indirection table is a u8 array
3531 * while indir->ring_index points to an array of u32.
3532 *
3533 * Indirection table contains the FW Client IDs, so we need to
3534 * align the received table to the Client ID of the leading RSS
3535 * queue
3536 */
3537 bp->rss_conf_obj.ind_table[i] = indir[i] + bp->fp->cl_id;
3538 }
3539
3540 if (bp->state == BNX2X_STATE_OPEN)
3541 return bnx2x_config_rss_eth(bp, false);
3542
3543 return 0;
3544 }
3545
3546 /**
3547 * bnx2x_get_channels - gets the number of RSS queues.
3548 *
3549 * @dev: net device
3550 * @channels: returns the number of max / current queues
3551 */
bnx2x_get_channels(struct net_device * dev,struct ethtool_channels * channels)3552 static void bnx2x_get_channels(struct net_device *dev,
3553 struct ethtool_channels *channels)
3554 {
3555 struct bnx2x *bp = netdev_priv(dev);
3556
3557 channels->max_combined = BNX2X_MAX_RSS_COUNT(bp);
3558 channels->combined_count = BNX2X_NUM_ETH_QUEUES(bp);
3559 }
3560
3561 /**
3562 * bnx2x_change_num_queues - change the number of RSS queues.
3563 *
3564 * @bp: bnx2x private structure
3565 * @num_rss: rss count
3566 *
3567 * Re-configure interrupt mode to get the new number of MSI-X
3568 * vectors and re-add NAPI objects.
3569 */
bnx2x_change_num_queues(struct bnx2x * bp,int num_rss)3570 static void bnx2x_change_num_queues(struct bnx2x *bp, int num_rss)
3571 {
3572 bnx2x_disable_msi(bp);
3573 bp->num_ethernet_queues = num_rss;
3574 bp->num_queues = bp->num_ethernet_queues + bp->num_cnic_queues;
3575 BNX2X_DEV_INFO("set number of queues to %d\n", bp->num_queues);
3576 bnx2x_set_int_mode(bp);
3577 }
3578
3579 /**
3580 * bnx2x_set_channels - sets the number of RSS queues.
3581 *
3582 * @dev: net device
3583 * @channels: includes the number of queues requested
3584 */
bnx2x_set_channels(struct net_device * dev,struct ethtool_channels * channels)3585 static int bnx2x_set_channels(struct net_device *dev,
3586 struct ethtool_channels *channels)
3587 {
3588 struct bnx2x *bp = netdev_priv(dev);
3589
3590 DP(BNX2X_MSG_ETHTOOL,
3591 "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n",
3592 channels->rx_count, channels->tx_count, channels->other_count,
3593 channels->combined_count);
3594
3595 if (pci_num_vf(bp->pdev)) {
3596 DP(BNX2X_MSG_IOV, "VFs are enabled, can not set channels\n");
3597 return -EPERM;
3598 }
3599
3600 /* We don't support separate rx / tx channels.
3601 * We don't allow setting 'other' channels.
3602 */
3603 if (channels->rx_count || channels->tx_count || channels->other_count
3604 || (channels->combined_count == 0) ||
3605 (channels->combined_count > BNX2X_MAX_RSS_COUNT(bp))) {
3606 DP(BNX2X_MSG_ETHTOOL, "command parameters not supported\n");
3607 return -EINVAL;
3608 }
3609
3610 /* Check if there was a change in the active parameters */
3611 if (channels->combined_count == BNX2X_NUM_ETH_QUEUES(bp)) {
3612 DP(BNX2X_MSG_ETHTOOL, "No change in active parameters\n");
3613 return 0;
3614 }
3615
3616 /* Set the requested number of queues in bp context.
3617 * Note that the actual number of queues created during load may be
3618 * less than requested if memory is low.
3619 */
3620 if (unlikely(!netif_running(dev))) {
3621 bnx2x_change_num_queues(bp, channels->combined_count);
3622 return 0;
3623 }
3624 bnx2x_nic_unload(bp, UNLOAD_NORMAL, true);
3625 bnx2x_change_num_queues(bp, channels->combined_count);
3626 return bnx2x_nic_load(bp, LOAD_NORMAL);
3627 }
3628
bnx2x_get_ts_info(struct net_device * dev,struct ethtool_ts_info * info)3629 static int bnx2x_get_ts_info(struct net_device *dev,
3630 struct ethtool_ts_info *info)
3631 {
3632 struct bnx2x *bp = netdev_priv(dev);
3633
3634 if (bp->flags & PTP_SUPPORTED) {
3635 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE |
3636 SOF_TIMESTAMPING_RX_SOFTWARE |
3637 SOF_TIMESTAMPING_SOFTWARE |
3638 SOF_TIMESTAMPING_TX_HARDWARE |
3639 SOF_TIMESTAMPING_RX_HARDWARE |
3640 SOF_TIMESTAMPING_RAW_HARDWARE;
3641
3642 if (bp->ptp_clock)
3643 info->phc_index = ptp_clock_index(bp->ptp_clock);
3644 else
3645 info->phc_index = -1;
3646
3647 info->rx_filters = (1 << HWTSTAMP_FILTER_NONE) |
3648 (1 << HWTSTAMP_FILTER_PTP_V1_L4_EVENT) |
3649 (1 << HWTSTAMP_FILTER_PTP_V2_L4_EVENT) |
3650 (1 << HWTSTAMP_FILTER_PTP_V2_EVENT);
3651
3652 info->tx_types = (1 << HWTSTAMP_TX_OFF)|(1 << HWTSTAMP_TX_ON);
3653
3654 return 0;
3655 }
3656
3657 return ethtool_op_get_ts_info(dev, info);
3658 }
3659
3660 static const struct ethtool_ops bnx2x_ethtool_ops = {
3661 .supported_coalesce_params = ETHTOOL_COALESCE_USECS,
3662 .get_drvinfo = bnx2x_get_drvinfo,
3663 .get_regs_len = bnx2x_get_regs_len,
3664 .get_regs = bnx2x_get_regs,
3665 .get_dump_flag = bnx2x_get_dump_flag,
3666 .get_dump_data = bnx2x_get_dump_data,
3667 .set_dump = bnx2x_set_dump,
3668 .get_wol = bnx2x_get_wol,
3669 .set_wol = bnx2x_set_wol,
3670 .get_msglevel = bnx2x_get_msglevel,
3671 .set_msglevel = bnx2x_set_msglevel,
3672 .nway_reset = bnx2x_nway_reset,
3673 .get_link = bnx2x_get_link,
3674 .get_eeprom_len = bnx2x_get_eeprom_len,
3675 .get_eeprom = bnx2x_get_eeprom,
3676 .set_eeprom = bnx2x_set_eeprom,
3677 .get_coalesce = bnx2x_get_coalesce,
3678 .set_coalesce = bnx2x_set_coalesce,
3679 .get_ringparam = bnx2x_get_ringparam,
3680 .set_ringparam = bnx2x_set_ringparam,
3681 .get_pauseparam = bnx2x_get_pauseparam,
3682 .set_pauseparam = bnx2x_set_pauseparam,
3683 .self_test = bnx2x_self_test,
3684 .get_sset_count = bnx2x_get_sset_count,
3685 .get_priv_flags = bnx2x_get_private_flags,
3686 .get_strings = bnx2x_get_strings,
3687 .set_phys_id = bnx2x_set_phys_id,
3688 .get_ethtool_stats = bnx2x_get_ethtool_stats,
3689 .get_rxnfc = bnx2x_get_rxnfc,
3690 .set_rxnfc = bnx2x_set_rxnfc,
3691 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size,
3692 .get_rxfh = bnx2x_get_rxfh,
3693 .set_rxfh = bnx2x_set_rxfh,
3694 .get_channels = bnx2x_get_channels,
3695 .set_channels = bnx2x_set_channels,
3696 .get_module_info = bnx2x_get_module_info,
3697 .get_module_eeprom = bnx2x_get_module_eeprom,
3698 .get_eee = bnx2x_get_eee,
3699 .set_eee = bnx2x_set_eee,
3700 .get_ts_info = bnx2x_get_ts_info,
3701 .get_link_ksettings = bnx2x_get_link_ksettings,
3702 .set_link_ksettings = bnx2x_set_link_ksettings,
3703 };
3704
3705 static const struct ethtool_ops bnx2x_vf_ethtool_ops = {
3706 .get_drvinfo = bnx2x_get_drvinfo,
3707 .get_msglevel = bnx2x_get_msglevel,
3708 .set_msglevel = bnx2x_set_msglevel,
3709 .get_link = bnx2x_get_link,
3710 .get_coalesce = bnx2x_get_coalesce,
3711 .get_ringparam = bnx2x_get_ringparam,
3712 .set_ringparam = bnx2x_set_ringparam,
3713 .get_sset_count = bnx2x_get_sset_count,
3714 .get_strings = bnx2x_get_strings,
3715 .get_ethtool_stats = bnx2x_get_ethtool_stats,
3716 .get_rxnfc = bnx2x_get_rxnfc,
3717 .set_rxnfc = bnx2x_set_rxnfc,
3718 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size,
3719 .get_rxfh = bnx2x_get_rxfh,
3720 .set_rxfh = bnx2x_set_rxfh,
3721 .get_channels = bnx2x_get_channels,
3722 .set_channels = bnx2x_set_channels,
3723 .get_link_ksettings = bnx2x_get_vf_link_ksettings,
3724 };
3725
bnx2x_set_ethtool_ops(struct bnx2x * bp,struct net_device * netdev)3726 void bnx2x_set_ethtool_ops(struct bnx2x *bp, struct net_device *netdev)
3727 {
3728 netdev->ethtool_ops = (IS_PF(bp)) ?
3729 &bnx2x_ethtool_ops : &bnx2x_vf_ethtool_ops;
3730 }
3731