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bnx2x: reduced sparse warnings
[linux-2.6.git] / drivers / net / ethernet / broadcom / bnx2x / bnx2x_ethtool.c
blob2cc0a1703970d9b5ae3bd22dc9cac4cfefa4a8de
1 /* bnx2x_ethtool.c: Broadcom Everest network driver.
2 *
3 * Copyright (c) 2007-2012 Broadcom Corporation
4 *
5 * This program is free software; you can redistribute it and/or modify
6 * it under the terms of the GNU General Public License as published by
7 * the Free Software Foundation.
8 *
9 * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10 * Written by: Eliezer Tamir
11 * Based on code from Michael Chan's bnx2 driver
12 * UDP CSUM errata workaround by Arik Gendelman
13 * Slowpath and fastpath rework by Vladislav Zolotarov
14 * Statistics and Link management by Yitchak Gertner
15 *
16 */
17
18 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
19
20 #include <linux/ethtool.h>
21 #include <linux/netdevice.h>
22 #include <linux/types.h>
23 #include <linux/sched.h>
24 #include <linux/crc32.h>
25
26
27 #include "bnx2x.h"
28 #include "bnx2x_cmn.h"
29 #include "bnx2x_dump.h"
30 #include "bnx2x_init.h"
31 #include "bnx2x_sp.h"
32
33 /* Note: in the format strings below %s is replaced by the queue-name which is
34 * either its index or 'fcoe' for the fcoe queue. Make sure the format string
35 * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
36 */
37 #define MAX_QUEUE_NAME_LEN 4
38 static const struct {
39 long offset;
40 int size;
41 char string[ETH_GSTRING_LEN];
42 } bnx2x_q_stats_arr[] = {
43 /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
44 { Q_STATS_OFFSET32(total_unicast_packets_received_hi),
45 8, "[%s]: rx_ucast_packets" },
46 { Q_STATS_OFFSET32(total_multicast_packets_received_hi),
47 8, "[%s]: rx_mcast_packets" },
48 { Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
49 8, "[%s]: rx_bcast_packets" },
50 { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" },
51 { Q_STATS_OFFSET32(rx_err_discard_pkt),
52 4, "[%s]: rx_phy_ip_err_discards"},
53 { Q_STATS_OFFSET32(rx_skb_alloc_failed),
54 4, "[%s]: rx_skb_alloc_discard" },
55 { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
56
57 { Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" },
58 /* 10 */{ Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
59 8, "[%s]: tx_ucast_packets" },
60 { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
61 8, "[%s]: tx_mcast_packets" },
62 { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
63 8, "[%s]: tx_bcast_packets" },
64 { Q_STATS_OFFSET32(total_tpa_aggregations_hi),
65 8, "[%s]: tpa_aggregations" },
66 { Q_STATS_OFFSET32(total_tpa_aggregated_frames_hi),
67 8, "[%s]: tpa_aggregated_frames"},
68 { Q_STATS_OFFSET32(total_tpa_bytes_hi), 8, "[%s]: tpa_bytes"}
69 };
70
71 #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
72
73 static const struct {
74 long offset;
75 int size;
76 u32 flags;
77 #define STATS_FLAGS_PORT 1
78 #define STATS_FLAGS_FUNC 2
79 #define STATS_FLAGS_BOTH (STATS_FLAGS_FUNC | STATS_FLAGS_PORT)
80 char string[ETH_GSTRING_LEN];
81 } bnx2x_stats_arr[] = {
82 /* 1 */ { STATS_OFFSET32(total_bytes_received_hi),
83 8, STATS_FLAGS_BOTH, "rx_bytes" },
84 { STATS_OFFSET32(error_bytes_received_hi),
85 8, STATS_FLAGS_BOTH, "rx_error_bytes" },
86 { STATS_OFFSET32(total_unicast_packets_received_hi),
87 8, STATS_FLAGS_BOTH, "rx_ucast_packets" },
88 { STATS_OFFSET32(total_multicast_packets_received_hi),
89 8, STATS_FLAGS_BOTH, "rx_mcast_packets" },
90 { STATS_OFFSET32(total_broadcast_packets_received_hi),
91 8, STATS_FLAGS_BOTH, "rx_bcast_packets" },
92 { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
93 8, STATS_FLAGS_PORT, "rx_crc_errors" },
94 { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
95 8, STATS_FLAGS_PORT, "rx_align_errors" },
96 { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
97 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
98 { STATS_OFFSET32(etherstatsoverrsizepkts_hi),
99 8, STATS_FLAGS_PORT, "rx_oversize_packets" },
100 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
101 8, STATS_FLAGS_PORT, "rx_fragments" },
102 { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
103 8, STATS_FLAGS_PORT, "rx_jabbers" },
104 { STATS_OFFSET32(no_buff_discard_hi),
105 8, STATS_FLAGS_BOTH, "rx_discards" },
106 { STATS_OFFSET32(mac_filter_discard),
107 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
108 { STATS_OFFSET32(mf_tag_discard),
109 4, STATS_FLAGS_PORT, "rx_mf_tag_discard" },
110 { STATS_OFFSET32(pfc_frames_received_hi),
111 8, STATS_FLAGS_PORT, "pfc_frames_received" },
112 { STATS_OFFSET32(pfc_frames_sent_hi),
113 8, STATS_FLAGS_PORT, "pfc_frames_sent" },
114 { STATS_OFFSET32(brb_drop_hi),
115 8, STATS_FLAGS_PORT, "rx_brb_discard" },
116 { STATS_OFFSET32(brb_truncate_hi),
117 8, STATS_FLAGS_PORT, "rx_brb_truncate" },
118 { STATS_OFFSET32(pause_frames_received_hi),
119 8, STATS_FLAGS_PORT, "rx_pause_frames" },
120 { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
121 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
122 { STATS_OFFSET32(nig_timer_max),
123 4, STATS_FLAGS_PORT, "rx_constant_pause_events" },
124 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
125 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"},
126 { STATS_OFFSET32(rx_skb_alloc_failed),
127 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
128 { STATS_OFFSET32(hw_csum_err),
129 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },
130
131 { STATS_OFFSET32(total_bytes_transmitted_hi),
132 8, STATS_FLAGS_BOTH, "tx_bytes" },
133 { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
134 8, STATS_FLAGS_PORT, "tx_error_bytes" },
135 { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
136 8, STATS_FLAGS_BOTH, "tx_ucast_packets" },
137 { STATS_OFFSET32(total_multicast_packets_transmitted_hi),
138 8, STATS_FLAGS_BOTH, "tx_mcast_packets" },
139 { STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
140 8, STATS_FLAGS_BOTH, "tx_bcast_packets" },
141 { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
142 8, STATS_FLAGS_PORT, "tx_mac_errors" },
143 { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
144 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
145 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
146 8, STATS_FLAGS_PORT, "tx_single_collisions" },
147 { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
148 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
149 { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
150 8, STATS_FLAGS_PORT, "tx_deferred" },
151 { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
152 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
153 { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
154 8, STATS_FLAGS_PORT, "tx_late_collisions" },
155 { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
156 8, STATS_FLAGS_PORT, "tx_total_collisions" },
157 { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
158 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
159 { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
160 8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
161 { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
162 8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
163 { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
164 8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
165 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
166 8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
167 { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
168 8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
169 { STATS_OFFSET32(etherstatspktsover1522octets_hi),
170 8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
171 { STATS_OFFSET32(pause_frames_sent_hi),
172 8, STATS_FLAGS_PORT, "tx_pause_frames" },
173 { STATS_OFFSET32(total_tpa_aggregations_hi),
174 8, STATS_FLAGS_FUNC, "tpa_aggregations" },
175 { STATS_OFFSET32(total_tpa_aggregated_frames_hi),
176 8, STATS_FLAGS_FUNC, "tpa_aggregated_frames"},
177 { STATS_OFFSET32(total_tpa_bytes_hi),
178 8, STATS_FLAGS_FUNC, "tpa_bytes"},
179 { STATS_OFFSET32(recoverable_error),
180 4, STATS_FLAGS_FUNC, "recoverable_errors" },
181 { STATS_OFFSET32(unrecoverable_error),
182 4, STATS_FLAGS_FUNC, "unrecoverable_errors" },
183 };
184
185 #define BNX2X_NUM_STATS ARRAY_SIZE(bnx2x_stats_arr)
186 static int bnx2x_get_port_type(struct bnx2x *bp)
187 {
188 int port_type;
189 u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
190 switch (bp->link_params.phy[phy_idx].media_type) {
191 case ETH_PHY_SFP_FIBER:
192 case ETH_PHY_XFP_FIBER:
193 case ETH_PHY_KR:
194 case ETH_PHY_CX4:
195 port_type = PORT_FIBRE;
196 break;
197 case ETH_PHY_DA_TWINAX:
198 port_type = PORT_DA;
199 break;
200 case ETH_PHY_BASE_T:
201 port_type = PORT_TP;
202 break;
203 case ETH_PHY_NOT_PRESENT:
204 port_type = PORT_NONE;
205 break;
206 case ETH_PHY_UNSPECIFIED:
207 default:
208 port_type = PORT_OTHER;
209 break;
210 }
211 return port_type;
212 }
213
214 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
215 {
216 struct bnx2x *bp = netdev_priv(dev);
217 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
218
219 /* Dual Media boards present all available port types */
220 cmd->supported = bp->port.supported[cfg_idx] |
221 (bp->port.supported[cfg_idx ^ 1] &
222 (SUPPORTED_TP | SUPPORTED_FIBRE));
223 cmd->advertising = bp->port.advertising[cfg_idx];
224
225 if ((bp->state == BNX2X_STATE_OPEN) && (bp->link_vars.link_up)) {
226 if (!(bp->flags & MF_FUNC_DIS)) {
227 ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed);
228 cmd->duplex = bp->link_vars.duplex;
229 } else {
230 ethtool_cmd_speed_set(
231 cmd, bp->link_params.req_line_speed[cfg_idx]);
232 cmd->duplex = bp->link_params.req_duplex[cfg_idx];
233 }
234
235 if (IS_MF(bp) && !BP_NOMCP(bp))
236 ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp));
237 } else {
238 cmd->duplex = DUPLEX_UNKNOWN;
239 ethtool_cmd_speed_set(cmd, SPEED_UNKNOWN);
240 }
241
242 cmd->port = bnx2x_get_port_type(bp);
243
244 cmd->phy_address = bp->mdio.prtad;
245 cmd->transceiver = XCVR_INTERNAL;
246
247 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
248 cmd->autoneg = AUTONEG_ENABLE;
249 else
250 cmd->autoneg = AUTONEG_DISABLE;
251
252 /* Publish LP advertised speeds and FC */
253 if (bp->link_vars.link_status & LINK_STATUS_AUTO_NEGOTIATE_COMPLETE) {
254 u32 status = bp->link_vars.link_status;
255
256 cmd->lp_advertising |= ADVERTISED_Autoneg;
257 if (status & LINK_STATUS_LINK_PARTNER_SYMMETRIC_PAUSE)
258 cmd->lp_advertising |= ADVERTISED_Pause;
259 if (status & LINK_STATUS_LINK_PARTNER_ASYMMETRIC_PAUSE)
260 cmd->lp_advertising |= ADVERTISED_Asym_Pause;
261
262 if (status & LINK_STATUS_LINK_PARTNER_10THD_CAPABLE)
263 cmd->lp_advertising |= ADVERTISED_10baseT_Half;
264 if (status & LINK_STATUS_LINK_PARTNER_10TFD_CAPABLE)
265 cmd->lp_advertising |= ADVERTISED_10baseT_Full;
266 if (status & LINK_STATUS_LINK_PARTNER_100TXHD_CAPABLE)
267 cmd->lp_advertising |= ADVERTISED_100baseT_Half;
268 if (status & LINK_STATUS_LINK_PARTNER_100TXFD_CAPABLE)
269 cmd->lp_advertising |= ADVERTISED_100baseT_Full;
270 if (status & LINK_STATUS_LINK_PARTNER_1000THD_CAPABLE)
271 cmd->lp_advertising |= ADVERTISED_1000baseT_Half;
272 if (status & LINK_STATUS_LINK_PARTNER_1000TFD_CAPABLE)
273 cmd->lp_advertising |= ADVERTISED_1000baseT_Full;
274 if (status & LINK_STATUS_LINK_PARTNER_2500XFD_CAPABLE)
275 cmd->lp_advertising |= ADVERTISED_2500baseX_Full;
276 if (status & LINK_STATUS_LINK_PARTNER_10GXFD_CAPABLE)
277 cmd->lp_advertising |= ADVERTISED_10000baseT_Full;
278 }
279
280 cmd->maxtxpkt = 0;
281 cmd->maxrxpkt = 0;
282
283 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
284 " supported 0x%x advertising 0x%x speed %u\n"
285 " duplex %d port %d phy_address %d transceiver %d\n"
286 " autoneg %d maxtxpkt %d maxrxpkt %d\n",
287 cmd->cmd, cmd->supported, cmd->advertising,
288 ethtool_cmd_speed(cmd),
289 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
290 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
291
292 return 0;
293 }
294
295 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
296 {
297 struct bnx2x *bp = netdev_priv(dev);
298 u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
299 u32 speed;
300
301 if (IS_MF_SD(bp))
302 return 0;
303
304 DP(BNX2X_MSG_ETHTOOL, "ethtool_cmd: cmd %d\n"
305 " supported 0x%x advertising 0x%x speed %u\n"
306 " duplex %d port %d phy_address %d transceiver %d\n"
307 " autoneg %d maxtxpkt %d maxrxpkt %d\n",
308 cmd->cmd, cmd->supported, cmd->advertising,
309 ethtool_cmd_speed(cmd),
310 cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
311 cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
312
313 speed = ethtool_cmd_speed(cmd);
314
315 /* If recieved a request for an unknown duplex, assume full*/
316 if (cmd->duplex == DUPLEX_UNKNOWN)
317 cmd->duplex = DUPLEX_FULL;
318
319 if (IS_MF_SI(bp)) {
320 u32 part;
321 u32 line_speed = bp->link_vars.line_speed;
322
323 /* use 10G if no link detected */
324 if (!line_speed)
325 line_speed = 10000;
326
327 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
328 DP(BNX2X_MSG_ETHTOOL,
329 "To set speed BC %X or higher is required, please upgrade BC\n",
330 REQ_BC_VER_4_SET_MF_BW);
331 return -EINVAL;
332 }
333
334 part = (speed * 100) / line_speed;
335
336 if (line_speed < speed || !part) {
337 DP(BNX2X_MSG_ETHTOOL,
338 "Speed setting should be in a range from 1%% to 100%% of actual line speed\n");
339 return -EINVAL;
340 }
341
342 if (bp->state != BNX2X_STATE_OPEN)
343 /* store value for following "load" */
344 bp->pending_max = part;
345 else
346 bnx2x_update_max_mf_config(bp, part);
347
348 return 0;
349 }
350
351 cfg_idx = bnx2x_get_link_cfg_idx(bp);
352 old_multi_phy_config = bp->link_params.multi_phy_config;
353 switch (cmd->port) {
354 case PORT_TP:
355 if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
356 break; /* no port change */
357
358 if (!(bp->port.supported[0] & SUPPORTED_TP ||
359 bp->port.supported[1] & SUPPORTED_TP)) {
360 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
361 return -EINVAL;
362 }
363 bp->link_params.multi_phy_config &=
364 ~PORT_HW_CFG_PHY_SELECTION_MASK;
365 if (bp->link_params.multi_phy_config &
366 PORT_HW_CFG_PHY_SWAPPED_ENABLED)
367 bp->link_params.multi_phy_config |=
368 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
369 else
370 bp->link_params.multi_phy_config |=
371 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
372 break;
373 case PORT_FIBRE:
374 case PORT_DA:
375 if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
376 break; /* no port change */
377
378 if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
379 bp->port.supported[1] & SUPPORTED_FIBRE)) {
380 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
381 return -EINVAL;
382 }
383 bp->link_params.multi_phy_config &=
384 ~PORT_HW_CFG_PHY_SELECTION_MASK;
385 if (bp->link_params.multi_phy_config &
386 PORT_HW_CFG_PHY_SWAPPED_ENABLED)
387 bp->link_params.multi_phy_config |=
388 PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
389 else
390 bp->link_params.multi_phy_config |=
391 PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
392 break;
393 default:
394 DP(BNX2X_MSG_ETHTOOL, "Unsupported port type\n");
395 return -EINVAL;
396 }
397 /* Save new config in case command complete successully */
398 new_multi_phy_config = bp->link_params.multi_phy_config;
399 /* Get the new cfg_idx */
400 cfg_idx = bnx2x_get_link_cfg_idx(bp);
401 /* Restore old config in case command failed */
402 bp->link_params.multi_phy_config = old_multi_phy_config;
403 DP(BNX2X_MSG_ETHTOOL, "cfg_idx = %x\n", cfg_idx);
404
405 if (cmd->autoneg == AUTONEG_ENABLE) {
406 u32 an_supported_speed = bp->port.supported[cfg_idx];
407 if (bp->link_params.phy[EXT_PHY1].type ==
408 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_BCM84833)
409 an_supported_speed |= (SUPPORTED_100baseT_Half |
410 SUPPORTED_100baseT_Full);
411 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
412 DP(BNX2X_MSG_ETHTOOL, "Autoneg not supported\n");
413 return -EINVAL;
414 }
415
416 /* advertise the requested speed and duplex if supported */
417 if (cmd->advertising & ~an_supported_speed) {
418 DP(BNX2X_MSG_ETHTOOL,
419 "Advertisement parameters are not supported\n");
420 return -EINVAL;
421 }
422
423 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
424 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
425 bp->port.advertising[cfg_idx] = (ADVERTISED_Autoneg |
426 cmd->advertising);
427 if (cmd->advertising) {
428
429 bp->link_params.speed_cap_mask[cfg_idx] = 0;
430 if (cmd->advertising & ADVERTISED_10baseT_Half) {
431 bp->link_params.speed_cap_mask[cfg_idx] |=
432 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_HALF;
433 }
434 if (cmd->advertising & ADVERTISED_10baseT_Full)
435 bp->link_params.speed_cap_mask[cfg_idx] |=
436 PORT_HW_CFG_SPEED_CAPABILITY_D0_10M_FULL;
437
438 if (cmd->advertising & ADVERTISED_100baseT_Full)
439 bp->link_params.speed_cap_mask[cfg_idx] |=
440 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_FULL;
441
442 if (cmd->advertising & ADVERTISED_100baseT_Half) {
443 bp->link_params.speed_cap_mask[cfg_idx] |=
444 PORT_HW_CFG_SPEED_CAPABILITY_D0_100M_HALF;
445 }
446 if (cmd->advertising & ADVERTISED_1000baseT_Half) {
447 bp->link_params.speed_cap_mask[cfg_idx] |=
448 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
449 }
450 if (cmd->advertising & (ADVERTISED_1000baseT_Full |
451 ADVERTISED_1000baseKX_Full))
452 bp->link_params.speed_cap_mask[cfg_idx] |=
453 PORT_HW_CFG_SPEED_CAPABILITY_D0_1G;
454
455 if (cmd->advertising & (ADVERTISED_10000baseT_Full |
456 ADVERTISED_10000baseKX4_Full |
457 ADVERTISED_10000baseKR_Full))
458 bp->link_params.speed_cap_mask[cfg_idx] |=
459 PORT_HW_CFG_SPEED_CAPABILITY_D0_10G;
460 }
461 } else { /* forced speed */
462 /* advertise the requested speed and duplex if supported */
463 switch (speed) {
464 case SPEED_10:
465 if (cmd->duplex == DUPLEX_FULL) {
466 if (!(bp->port.supported[cfg_idx] &
467 SUPPORTED_10baseT_Full)) {
468 DP(BNX2X_MSG_ETHTOOL,
469 "10M full not supported\n");
470 return -EINVAL;
471 }
472
473 advertising = (ADVERTISED_10baseT_Full |
474 ADVERTISED_TP);
475 } else {
476 if (!(bp->port.supported[cfg_idx] &
477 SUPPORTED_10baseT_Half)) {
478 DP(BNX2X_MSG_ETHTOOL,
479 "10M half not supported\n");
480 return -EINVAL;
481 }
482
483 advertising = (ADVERTISED_10baseT_Half |
484 ADVERTISED_TP);
485 }
486 break;
487
488 case SPEED_100:
489 if (cmd->duplex == DUPLEX_FULL) {
490 if (!(bp->port.supported[cfg_idx] &
491 SUPPORTED_100baseT_Full)) {
492 DP(BNX2X_MSG_ETHTOOL,
493 "100M full not supported\n");
494 return -EINVAL;
495 }
496
497 advertising = (ADVERTISED_100baseT_Full |
498 ADVERTISED_TP);
499 } else {
500 if (!(bp->port.supported[cfg_idx] &
501 SUPPORTED_100baseT_Half)) {
502 DP(BNX2X_MSG_ETHTOOL,
503 "100M half not supported\n");
504 return -EINVAL;
505 }
506
507 advertising = (ADVERTISED_100baseT_Half |
508 ADVERTISED_TP);
509 }
510 break;
511
512 case SPEED_1000:
513 if (cmd->duplex != DUPLEX_FULL) {
514 DP(BNX2X_MSG_ETHTOOL,
515 "1G half not supported\n");
516 return -EINVAL;
517 }
518
519 if (!(bp->port.supported[cfg_idx] &
520 SUPPORTED_1000baseT_Full)) {
521 DP(BNX2X_MSG_ETHTOOL,
522 "1G full not supported\n");
523 return -EINVAL;
524 }
525
526 advertising = (ADVERTISED_1000baseT_Full |
527 ADVERTISED_TP);
528 break;
529
530 case SPEED_2500:
531 if (cmd->duplex != DUPLEX_FULL) {
532 DP(BNX2X_MSG_ETHTOOL,
533 "2.5G half not supported\n");
534 return -EINVAL;
535 }
536
537 if (!(bp->port.supported[cfg_idx]
538 & SUPPORTED_2500baseX_Full)) {
539 DP(BNX2X_MSG_ETHTOOL,
540 "2.5G full not supported\n");
541 return -EINVAL;
542 }
543
544 advertising = (ADVERTISED_2500baseX_Full |
545 ADVERTISED_TP);
546 break;
547
548 case SPEED_10000:
549 if (cmd->duplex != DUPLEX_FULL) {
550 DP(BNX2X_MSG_ETHTOOL,
551 "10G half not supported\n");
552 return -EINVAL;
553 }
554
555 if (!(bp->port.supported[cfg_idx]
556 & SUPPORTED_10000baseT_Full)) {
557 DP(BNX2X_MSG_ETHTOOL,
558 "10G full not supported\n");
559 return -EINVAL;
560 }
561
562 advertising = (ADVERTISED_10000baseT_Full |
563 ADVERTISED_FIBRE);
564 break;
565
566 default:
567 DP(BNX2X_MSG_ETHTOOL, "Unsupported speed %u\n", speed);
568 return -EINVAL;
569 }
570
571 bp->link_params.req_line_speed[cfg_idx] = speed;
572 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
573 bp->port.advertising[cfg_idx] = advertising;
574 }
575
576 DP(BNX2X_MSG_ETHTOOL, "req_line_speed %d\n"
577 " req_duplex %d advertising 0x%x\n",
578 bp->link_params.req_line_speed[cfg_idx],
579 bp->link_params.req_duplex[cfg_idx],
580 bp->port.advertising[cfg_idx]);
581
582 /* Set new config */
583 bp->link_params.multi_phy_config = new_multi_phy_config;
584 if (netif_running(dev)) {
585 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
586 bnx2x_link_set(bp);
587 }
588
589 return 0;
590 }
591
592 #define IS_E1_ONLINE(info) (((info) & RI_E1_ONLINE) == RI_E1_ONLINE)
593 #define IS_E1H_ONLINE(info) (((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE)
594 #define IS_E2_ONLINE(info) (((info) & RI_E2_ONLINE) == RI_E2_ONLINE)
595 #define IS_E3_ONLINE(info) (((info) & RI_E3_ONLINE) == RI_E3_ONLINE)
596 #define IS_E3B0_ONLINE(info) (((info) & RI_E3B0_ONLINE) == RI_E3B0_ONLINE)
597
598 static inline bool bnx2x_is_reg_online(struct bnx2x *bp,
599 const struct reg_addr *reg_info)
600 {
601 if (CHIP_IS_E1(bp))
602 return IS_E1_ONLINE(reg_info->info);
603 else if (CHIP_IS_E1H(bp))
604 return IS_E1H_ONLINE(reg_info->info);
605 else if (CHIP_IS_E2(bp))
606 return IS_E2_ONLINE(reg_info->info);
607 else if (CHIP_IS_E3A0(bp))
608 return IS_E3_ONLINE(reg_info->info);
609 else if (CHIP_IS_E3B0(bp))
610 return IS_E3B0_ONLINE(reg_info->info);
611 else
612 return false;
613 }
614
615 /******* Paged registers info selectors ********/
616 static inline const u32 *__bnx2x_get_page_addr_ar(struct bnx2x *bp)
617 {
618 if (CHIP_IS_E2(bp))
619 return page_vals_e2;
620 else if (CHIP_IS_E3(bp))
621 return page_vals_e3;
622 else
623 return NULL;
624 }
625
626 static inline u32 __bnx2x_get_page_reg_num(struct bnx2x *bp)
627 {
628 if (CHIP_IS_E2(bp))
629 return PAGE_MODE_VALUES_E2;
630 else if (CHIP_IS_E3(bp))
631 return PAGE_MODE_VALUES_E3;
632 else
633 return 0;
634 }
635
636 static inline const u32 *__bnx2x_get_page_write_ar(struct bnx2x *bp)
637 {
638 if (CHIP_IS_E2(bp))
639 return page_write_regs_e2;
640 else if (CHIP_IS_E3(bp))
641 return page_write_regs_e3;
642 else
643 return NULL;
644 }
645
646 static inline u32 __bnx2x_get_page_write_num(struct bnx2x *bp)
647 {
648 if (CHIP_IS_E2(bp))
649 return PAGE_WRITE_REGS_E2;
650 else if (CHIP_IS_E3(bp))
651 return PAGE_WRITE_REGS_E3;
652 else
653 return 0;
654 }
655
656 static inline const struct reg_addr *__bnx2x_get_page_read_ar(struct bnx2x *bp)
657 {
658 if (CHIP_IS_E2(bp))
659 return page_read_regs_e2;
660 else if (CHIP_IS_E3(bp))
661 return page_read_regs_e3;
662 else
663 return NULL;
664 }
665
666 static inline u32 __bnx2x_get_page_read_num(struct bnx2x *bp)
667 {
668 if (CHIP_IS_E2(bp))
669 return PAGE_READ_REGS_E2;
670 else if (CHIP_IS_E3(bp))
671 return PAGE_READ_REGS_E3;
672 else
673 return 0;
674 }
675
676 static inline int __bnx2x_get_regs_len(struct bnx2x *bp)
677 {
678 int num_pages = __bnx2x_get_page_reg_num(bp);
679 int page_write_num = __bnx2x_get_page_write_num(bp);
680 const struct reg_addr *page_read_addr = __bnx2x_get_page_read_ar(bp);
681 int page_read_num = __bnx2x_get_page_read_num(bp);
682 int regdump_len = 0;
683 int i, j, k;
684
685 for (i = 0; i < REGS_COUNT; i++)
686 if (bnx2x_is_reg_online(bp, &reg_addrs[i]))
687 regdump_len += reg_addrs[i].size;
688
689 for (i = 0; i < num_pages; i++)
690 for (j = 0; j < page_write_num; j++)
691 for (k = 0; k < page_read_num; k++)
692 if (bnx2x_is_reg_online(bp, &page_read_addr[k]))
693 regdump_len += page_read_addr[k].size;
694
695 return regdump_len;
696 }
697
698 static int bnx2x_get_regs_len(struct net_device *dev)
699 {
700 struct bnx2x *bp = netdev_priv(dev);
701 int regdump_len = 0;
702
703 regdump_len = __bnx2x_get_regs_len(bp);
704 regdump_len *= 4;
705 regdump_len += sizeof(struct dump_hdr);
706
707 return regdump_len;
708 }
709
710 /**
711 * bnx2x_read_pages_regs - read "paged" registers
712 *
713 * @bp device handle
714 * @p output buffer
715 *
716 * Reads "paged" memories: memories that may only be read by first writing to a
717 * specific address ("write address") and then reading from a specific address
718 * ("read address"). There may be more than one write address per "page" and
719 * more than one read address per write address.
720 */
721 static inline void bnx2x_read_pages_regs(struct bnx2x *bp, u32 *p)
722 {
723 u32 i, j, k, n;
724 /* addresses of the paged registers */
725 const u32 *page_addr = __bnx2x_get_page_addr_ar(bp);
726 /* number of paged registers */
727 int num_pages = __bnx2x_get_page_reg_num(bp);
728 /* write addresses */
729 const u32 *write_addr = __bnx2x_get_page_write_ar(bp);
730 /* number of write addresses */
731 int write_num = __bnx2x_get_page_write_num(bp);
732 /* read addresses info */
733 const struct reg_addr *read_addr = __bnx2x_get_page_read_ar(bp);
734 /* number of read addresses */
735 int read_num = __bnx2x_get_page_read_num(bp);
736
737 for (i = 0; i < num_pages; i++) {
738 for (j = 0; j < write_num; j++) {
739 REG_WR(bp, write_addr[j], page_addr[i]);
740 for (k = 0; k < read_num; k++)
741 if (bnx2x_is_reg_online(bp, &read_addr[k]))
742 for (n = 0; n <
743 read_addr[k].size; n++)
744 *p++ = REG_RD(bp,
745 read_addr[k].addr + n*4);
746 }
747 }
748 }
749
750 static inline void __bnx2x_get_regs(struct bnx2x *bp, u32 *p)
751 {
752 u32 i, j;
753
754 /* Read the regular registers */
755 for (i = 0; i < REGS_COUNT; i++)
756 if (bnx2x_is_reg_online(bp, &reg_addrs[i]))
757 for (j = 0; j < reg_addrs[i].size; j++)
758 *p++ = REG_RD(bp, reg_addrs[i].addr + j*4);
759
760 /* Read "paged" registes */
761 bnx2x_read_pages_regs(bp, p);
762 }
763
764 static void bnx2x_get_regs(struct net_device *dev,
765 struct ethtool_regs *regs, void *_p)
766 {
767 u32 *p = _p;
768 struct bnx2x *bp = netdev_priv(dev);
769 struct dump_hdr dump_hdr = {0};
770
771 regs->version = 0;
772 memset(p, 0, regs->len);
773
774 if (!netif_running(bp->dev))
775 return;
776
777 /* Disable parity attentions as long as following dump may
778 * cause false alarms by reading never written registers. We
779 * will re-enable parity attentions right after the dump.
780 */
781 bnx2x_disable_blocks_parity(bp);
782
783 dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1;
784 dump_hdr.dump_sign = dump_sign_all;
785 dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR);
786 dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR);
787 dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR);
788 dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR);
789
790 if (CHIP_IS_E1(bp))
791 dump_hdr.info = RI_E1_ONLINE;
792 else if (CHIP_IS_E1H(bp))
793 dump_hdr.info = RI_E1H_ONLINE;
794 else if (!CHIP_IS_E1x(bp))
795 dump_hdr.info = RI_E2_ONLINE |
796 (BP_PATH(bp) ? RI_PATH1_DUMP : RI_PATH0_DUMP);
797
798 memcpy(p, &dump_hdr, sizeof(struct dump_hdr));
799 p += dump_hdr.hdr_size + 1;
800
801 /* Actually read the registers */
802 __bnx2x_get_regs(bp, p);
803
804 /* Re-enable parity attentions */
805 bnx2x_clear_blocks_parity(bp);
806 bnx2x_enable_blocks_parity(bp);
807 }
808
809 static void bnx2x_get_drvinfo(struct net_device *dev,
810 struct ethtool_drvinfo *info)
811 {
812 struct bnx2x *bp = netdev_priv(dev);
813 u8 phy_fw_ver[PHY_FW_VER_LEN];
814
815 strlcpy(info->driver, DRV_MODULE_NAME, sizeof(info->driver));
816 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version));
817
818 phy_fw_ver[0] = '\0';
819 bnx2x_get_ext_phy_fw_version(&bp->link_params,
820 phy_fw_ver, PHY_FW_VER_LEN);
821 strlcpy(info->fw_version, bp->fw_ver, sizeof(info->fw_version));
822 snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
823 "bc %d.%d.%d%s%s",
824 (bp->common.bc_ver & 0xff0000) >> 16,
825 (bp->common.bc_ver & 0xff00) >> 8,
826 (bp->common.bc_ver & 0xff),
827 ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver);
828 strlcpy(info->bus_info, pci_name(bp->pdev), sizeof(info->bus_info));
829 info->n_stats = BNX2X_NUM_STATS;
830 info->testinfo_len = BNX2X_NUM_TESTS;
831 info->eedump_len = bp->common.flash_size;
832 info->regdump_len = bnx2x_get_regs_len(dev);
833 }
834
835 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
836 {
837 struct bnx2x *bp = netdev_priv(dev);
838
839 if (bp->flags & NO_WOL_FLAG) {
840 wol->supported = 0;
841 wol->wolopts = 0;
842 } else {
843 wol->supported = WAKE_MAGIC;
844 if (bp->wol)
845 wol->wolopts = WAKE_MAGIC;
846 else
847 wol->wolopts = 0;
848 }
849 memset(&wol->sopass, 0, sizeof(wol->sopass));
850 }
851
852 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
853 {
854 struct bnx2x *bp = netdev_priv(dev);
855
856 if (wol->wolopts & ~WAKE_MAGIC) {
857 DP(BNX2X_MSG_ETHTOOL, "WOL not supproted\n");
858 return -EINVAL;
859 }
860
861 if (wol->wolopts & WAKE_MAGIC) {
862 if (bp->flags & NO_WOL_FLAG) {
863 DP(BNX2X_MSG_ETHTOOL, "WOL not supproted\n");
864 return -EINVAL;
865 }
866 bp->wol = 1;
867 } else
868 bp->wol = 0;
869
870 return 0;
871 }
872
873 static u32 bnx2x_get_msglevel(struct net_device *dev)
874 {
875 struct bnx2x *bp = netdev_priv(dev);
876
877 return bp->msg_enable;
878 }
879
880 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
881 {
882 struct bnx2x *bp = netdev_priv(dev);
883
884 if (capable(CAP_NET_ADMIN)) {
885 /* dump MCP trace */
886 if (level & BNX2X_MSG_MCP)
887 bnx2x_fw_dump_lvl(bp, KERN_INFO);
888 bp->msg_enable = level;
889 }
890 }
891
892 static int bnx2x_nway_reset(struct net_device *dev)
893 {
894 struct bnx2x *bp = netdev_priv(dev);
895
896 if (!bp->port.pmf)
897 return 0;
898
899 if (netif_running(dev)) {
900 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
901 bnx2x_link_set(bp);
902 }
903
904 return 0;
905 }
906
907 static u32 bnx2x_get_link(struct net_device *dev)
908 {
909 struct bnx2x *bp = netdev_priv(dev);
910
911 if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
912 return 0;
913
914 return bp->link_vars.link_up;
915 }
916
917 static int bnx2x_get_eeprom_len(struct net_device *dev)
918 {
919 struct bnx2x *bp = netdev_priv(dev);
920
921 return bp->common.flash_size;
922 }
923
924 /* Per pf misc lock must be aquired before the per port mcp lock. Otherwise, had
925 * we done things the other way around, if two pfs from the same port would
926 * attempt to access nvram at the same time, we could run into a scenario such
927 * as:
928 * pf A takes the port lock.
929 * pf B succeeds in taking the same lock since they are from the same port.
930 * pf A takes the per pf misc lock. Performs eeprom access.
931 * pf A finishes. Unlocks the per pf misc lock.
932 * Pf B takes the lock and proceeds to perform it's own access.
933 * pf A unlocks the per port lock, while pf B is still working (!).
934 * mcp takes the per port lock and corrupts pf B's access (and/or has it's own
935 * acess corrupted by pf B).*
936 */
937 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
938 {
939 int port = BP_PORT(bp);
940 int count, i;
941 u32 val;
942
943 /* acquire HW lock: protect against other PFs in PF Direct Assignment */
944 bnx2x_acquire_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
945
946 /* adjust timeout for emulation/FPGA */
947 count = BNX2X_NVRAM_TIMEOUT_COUNT;
948 if (CHIP_REV_IS_SLOW(bp))
949 count *= 100;
950
951 /* request access to nvram interface */
952 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
953 (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
954
955 for (i = 0; i < count*10; i++) {
956 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
957 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
958 break;
959
960 udelay(5);
961 }
962
963 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
964 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
965 "cannot get access to nvram interface\n");
966 return -EBUSY;
967 }
968
969 return 0;
970 }
971
972 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
973 {
974 int port = BP_PORT(bp);
975 int count, i;
976 u32 val;
977
978 /* adjust timeout for emulation/FPGA */
979 count = BNX2X_NVRAM_TIMEOUT_COUNT;
980 if (CHIP_REV_IS_SLOW(bp))
981 count *= 100;
982
983 /* relinquish nvram interface */
984 REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
985 (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
986
987 for (i = 0; i < count*10; i++) {
988 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
989 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
990 break;
991
992 udelay(5);
993 }
994
995 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
996 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
997 "cannot free access to nvram interface\n");
998 return -EBUSY;
999 }
1000
1001 /* release HW lock: protect against other PFs in PF Direct Assignment */
1002 bnx2x_release_hw_lock(bp, HW_LOCK_RESOURCE_NVRAM);
1003 return 0;
1004 }
1005
1006 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
1007 {
1008 u32 val;
1009
1010 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1011
1012 /* enable both bits, even on read */
1013 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1014 (val | MCPR_NVM_ACCESS_ENABLE_EN |
1015 MCPR_NVM_ACCESS_ENABLE_WR_EN));
1016 }
1017
1018 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
1019 {
1020 u32 val;
1021
1022 val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
1023
1024 /* disable both bits, even after read */
1025 REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
1026 (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
1027 MCPR_NVM_ACCESS_ENABLE_WR_EN)));
1028 }
1029
1030 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
1031 u32 cmd_flags)
1032 {
1033 int count, i, rc;
1034 u32 val;
1035
1036 /* build the command word */
1037 cmd_flags |= MCPR_NVM_COMMAND_DOIT;
1038
1039 /* need to clear DONE bit separately */
1040 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1041
1042 /* address of the NVRAM to read from */
1043 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1044 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1045
1046 /* issue a read command */
1047 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1048
1049 /* adjust timeout for emulation/FPGA */
1050 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1051 if (CHIP_REV_IS_SLOW(bp))
1052 count *= 100;
1053
1054 /* wait for completion */
1055 *ret_val = 0;
1056 rc = -EBUSY;
1057 for (i = 0; i < count; i++) {
1058 udelay(5);
1059 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1060
1061 if (val & MCPR_NVM_COMMAND_DONE) {
1062 val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
1063 /* we read nvram data in cpu order
1064 * but ethtool sees it as an array of bytes
1065 * converting to big-endian will do the work */
1066 *ret_val = cpu_to_be32(val);
1067 rc = 0;
1068 break;
1069 }
1070 }
1071 if (rc == -EBUSY)
1072 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1073 "nvram read timeout expired\n");
1074 return rc;
1075 }
1076
1077 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
1078 int buf_size)
1079 {
1080 int rc;
1081 u32 cmd_flags;
1082 __be32 val;
1083
1084 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1085 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1086 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
1087 offset, buf_size);
1088 return -EINVAL;
1089 }
1090
1091 if (offset + buf_size > bp->common.flash_size) {
1092 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1093 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1094 offset, buf_size, bp->common.flash_size);
1095 return -EINVAL;
1096 }
1097
1098 /* request access to nvram interface */
1099 rc = bnx2x_acquire_nvram_lock(bp);
1100 if (rc)
1101 return rc;
1102
1103 /* enable access to nvram interface */
1104 bnx2x_enable_nvram_access(bp);
1105
1106 /* read the first word(s) */
1107 cmd_flags = MCPR_NVM_COMMAND_FIRST;
1108 while ((buf_size > sizeof(u32)) && (rc == 0)) {
1109 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1110 memcpy(ret_buf, &val, 4);
1111
1112 /* advance to the next dword */
1113 offset += sizeof(u32);
1114 ret_buf += sizeof(u32);
1115 buf_size -= sizeof(u32);
1116 cmd_flags = 0;
1117 }
1118
1119 if (rc == 0) {
1120 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1121 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
1122 memcpy(ret_buf, &val, 4);
1123 }
1124
1125 /* disable access to nvram interface */
1126 bnx2x_disable_nvram_access(bp);
1127 bnx2x_release_nvram_lock(bp);
1128
1129 return rc;
1130 }
1131
1132 static int bnx2x_get_eeprom(struct net_device *dev,
1133 struct ethtool_eeprom *eeprom, u8 *eebuf)
1134 {
1135 struct bnx2x *bp = netdev_priv(dev);
1136 int rc;
1137
1138 if (!netif_running(dev)) {
1139 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1140 "cannot access eeprom when the interface is down\n");
1141 return -EAGAIN;
1142 }
1143
1144 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1145 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
1146 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1147 eeprom->len, eeprom->len);
1148
1149 /* parameters already validated in ethtool_get_eeprom */
1150
1151 rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
1152
1153 return rc;
1154 }
1155
1156 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
1157 u32 cmd_flags)
1158 {
1159 int count, i, rc;
1160
1161 /* build the command word */
1162 cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
1163
1164 /* need to clear DONE bit separately */
1165 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
1166
1167 /* write the data */
1168 REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
1169
1170 /* address of the NVRAM to write to */
1171 REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
1172 (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
1173
1174 /* issue the write command */
1175 REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
1176
1177 /* adjust timeout for emulation/FPGA */
1178 count = BNX2X_NVRAM_TIMEOUT_COUNT;
1179 if (CHIP_REV_IS_SLOW(bp))
1180 count *= 100;
1181
1182 /* wait for completion */
1183 rc = -EBUSY;
1184 for (i = 0; i < count; i++) {
1185 udelay(5);
1186 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
1187 if (val & MCPR_NVM_COMMAND_DONE) {
1188 rc = 0;
1189 break;
1190 }
1191 }
1192
1193 if (rc == -EBUSY)
1194 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1195 "nvram write timeout expired\n");
1196 return rc;
1197 }
1198
1199 #define BYTE_OFFSET(offset) (8 * (offset & 0x03))
1200
1201 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
1202 int buf_size)
1203 {
1204 int rc;
1205 u32 cmd_flags;
1206 u32 align_offset;
1207 __be32 val;
1208
1209 if (offset + buf_size > bp->common.flash_size) {
1210 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1211 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1212 offset, buf_size, bp->common.flash_size);
1213 return -EINVAL;
1214 }
1215
1216 /* request access to nvram interface */
1217 rc = bnx2x_acquire_nvram_lock(bp);
1218 if (rc)
1219 return rc;
1220
1221 /* enable access to nvram interface */
1222 bnx2x_enable_nvram_access(bp);
1223
1224 cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1225 align_offset = (offset & ~0x03);
1226 rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
1227
1228 if (rc == 0) {
1229 val &= ~(0xff << BYTE_OFFSET(offset));
1230 val |= (*data_buf << BYTE_OFFSET(offset));
1231
1232 /* nvram data is returned as an array of bytes
1233 * convert it back to cpu order */
1234 val = be32_to_cpu(val);
1235
1236 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1237 cmd_flags);
1238 }
1239
1240 /* disable access to nvram interface */
1241 bnx2x_disable_nvram_access(bp);
1242 bnx2x_release_nvram_lock(bp);
1243
1244 return rc;
1245 }
1246
1247 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1248 int buf_size)
1249 {
1250 int rc;
1251 u32 cmd_flags;
1252 u32 val;
1253 u32 written_so_far;
1254
1255 if (buf_size == 1) /* ethtool */
1256 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1257
1258 if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1259 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1260 "Invalid parameter: offset 0x%x buf_size 0x%x\n",
1261 offset, buf_size);
1262 return -EINVAL;
1263 }
1264
1265 if (offset + buf_size > bp->common.flash_size) {
1266 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1267 "Invalid parameter: offset (0x%x) + buf_size (0x%x) > flash_size (0x%x)\n",
1268 offset, buf_size, bp->common.flash_size);
1269 return -EINVAL;
1270 }
1271
1272 /* request access to nvram interface */
1273 rc = bnx2x_acquire_nvram_lock(bp);
1274 if (rc)
1275 return rc;
1276
1277 /* enable access to nvram interface */
1278 bnx2x_enable_nvram_access(bp);
1279
1280 written_so_far = 0;
1281 cmd_flags = MCPR_NVM_COMMAND_FIRST;
1282 while ((written_so_far < buf_size) && (rc == 0)) {
1283 if (written_so_far == (buf_size - sizeof(u32)))
1284 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1285 else if (((offset + 4) % BNX2X_NVRAM_PAGE_SIZE) == 0)
1286 cmd_flags |= MCPR_NVM_COMMAND_LAST;
1287 else if ((offset % BNX2X_NVRAM_PAGE_SIZE) == 0)
1288 cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1289
1290 memcpy(&val, data_buf, 4);
1291
1292 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1293
1294 /* advance to the next dword */
1295 offset += sizeof(u32);
1296 data_buf += sizeof(u32);
1297 written_so_far += sizeof(u32);
1298 cmd_flags = 0;
1299 }
1300
1301 /* disable access to nvram interface */
1302 bnx2x_disable_nvram_access(bp);
1303 bnx2x_release_nvram_lock(bp);
1304
1305 return rc;
1306 }
1307
1308 static int bnx2x_set_eeprom(struct net_device *dev,
1309 struct ethtool_eeprom *eeprom, u8 *eebuf)
1310 {
1311 struct bnx2x *bp = netdev_priv(dev);
1312 int port = BP_PORT(bp);
1313 int rc = 0;
1314 u32 ext_phy_config;
1315 if (!netif_running(dev)) {
1316 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1317 "cannot access eeprom when the interface is down\n");
1318 return -EAGAIN;
1319 }
1320
1321 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1322 " magic 0x%x offset 0x%x (%d) len 0x%x (%d)\n",
1323 eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1324 eeprom->len, eeprom->len);
1325
1326 /* parameters already validated in ethtool_set_eeprom */
1327
1328 /* PHY eeprom can be accessed only by the PMF */
1329 if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1330 !bp->port.pmf) {
1331 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1332 "wrong magic or interface is not pmf\n");
1333 return -EINVAL;
1334 }
1335
1336 ext_phy_config =
1337 SHMEM_RD(bp,
1338 dev_info.port_hw_config[port].external_phy_config);
1339
1340 if (eeprom->magic == 0x50485950) {
1341 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1342 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1343
1344 bnx2x_acquire_phy_lock(bp);
1345 rc |= bnx2x_link_reset(&bp->link_params,
1346 &bp->link_vars, 0);
1347 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1348 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1349 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1350 MISC_REGISTERS_GPIO_HIGH, port);
1351 bnx2x_release_phy_lock(bp);
1352 bnx2x_link_report(bp);
1353
1354 } else if (eeprom->magic == 0x50485952) {
1355 /* 'PHYR' (0x50485952): re-init link after FW upgrade */
1356 if (bp->state == BNX2X_STATE_OPEN) {
1357 bnx2x_acquire_phy_lock(bp);
1358 rc |= bnx2x_link_reset(&bp->link_params,
1359 &bp->link_vars, 1);
1360
1361 rc |= bnx2x_phy_init(&bp->link_params,
1362 &bp->link_vars);
1363 bnx2x_release_phy_lock(bp);
1364 bnx2x_calc_fc_adv(bp);
1365 }
1366 } else if (eeprom->magic == 0x53985943) {
1367 /* 'PHYC' (0x53985943): PHY FW upgrade completed */
1368 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1369 PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1370
1371 /* DSP Remove Download Mode */
1372 bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1373 MISC_REGISTERS_GPIO_LOW, port);
1374
1375 bnx2x_acquire_phy_lock(bp);
1376
1377 bnx2x_sfx7101_sp_sw_reset(bp,
1378 &bp->link_params.phy[EXT_PHY1]);
1379
1380 /* wait 0.5 sec to allow it to run */
1381 msleep(500);
1382 bnx2x_ext_phy_hw_reset(bp, port);
1383 msleep(500);
1384 bnx2x_release_phy_lock(bp);
1385 }
1386 } else
1387 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1388
1389 return rc;
1390 }
1391
1392 static int bnx2x_get_coalesce(struct net_device *dev,
1393 struct ethtool_coalesce *coal)
1394 {
1395 struct bnx2x *bp = netdev_priv(dev);
1396
1397 memset(coal, 0, sizeof(struct ethtool_coalesce));
1398
1399 coal->rx_coalesce_usecs = bp->rx_ticks;
1400 coal->tx_coalesce_usecs = bp->tx_ticks;
1401
1402 return 0;
1403 }
1404
1405 static int bnx2x_set_coalesce(struct net_device *dev,
1406 struct ethtool_coalesce *coal)
1407 {
1408 struct bnx2x *bp = netdev_priv(dev);
1409
1410 bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1411 if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1412 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1413
1414 bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1415 if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1416 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1417
1418 if (netif_running(dev))
1419 bnx2x_update_coalesce(bp);
1420
1421 return 0;
1422 }
1423
1424 static void bnx2x_get_ringparam(struct net_device *dev,
1425 struct ethtool_ringparam *ering)
1426 {
1427 struct bnx2x *bp = netdev_priv(dev);
1428
1429 ering->rx_max_pending = MAX_RX_AVAIL;
1430
1431 if (bp->rx_ring_size)
1432 ering->rx_pending = bp->rx_ring_size;
1433 else
1434 ering->rx_pending = MAX_RX_AVAIL;
1435
1436 ering->tx_max_pending = MAX_TX_AVAIL;
1437 ering->tx_pending = bp->tx_ring_size;
1438 }
1439
1440 static int bnx2x_set_ringparam(struct net_device *dev,
1441 struct ethtool_ringparam *ering)
1442 {
1443 struct bnx2x *bp = netdev_priv(dev);
1444
1445 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1446 DP(BNX2X_MSG_ETHTOOL,
1447 "Handling parity error recovery. Try again later\n");
1448 return -EAGAIN;
1449 }
1450
1451 if ((ering->rx_pending > MAX_RX_AVAIL) ||
1452 (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1453 MIN_RX_SIZE_TPA)) ||
1454 (ering->tx_pending > MAX_TX_AVAIL) ||
1455 (ering->tx_pending <= MAX_SKB_FRAGS + 4)) {
1456 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
1457 return -EINVAL;
1458 }
1459
1460 bp->rx_ring_size = ering->rx_pending;
1461 bp->tx_ring_size = ering->tx_pending;
1462
1463 return bnx2x_reload_if_running(dev);
1464 }
1465
1466 static void bnx2x_get_pauseparam(struct net_device *dev,
1467 struct ethtool_pauseparam *epause)
1468 {
1469 struct bnx2x *bp = netdev_priv(dev);
1470 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1471 int cfg_reg;
1472
1473 epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1474 BNX2X_FLOW_CTRL_AUTO);
1475
1476 if (!epause->autoneg)
1477 cfg_reg = bp->link_params.req_flow_ctrl[cfg_idx];
1478 else
1479 cfg_reg = bp->link_params.req_fc_auto_adv;
1480
1481 epause->rx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_RX) ==
1482 BNX2X_FLOW_CTRL_RX);
1483 epause->tx_pause = ((cfg_reg & BNX2X_FLOW_CTRL_TX) ==
1484 BNX2X_FLOW_CTRL_TX);
1485
1486 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1487 " autoneg %d rx_pause %d tx_pause %d\n",
1488 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1489 }
1490
1491 static int bnx2x_set_pauseparam(struct net_device *dev,
1492 struct ethtool_pauseparam *epause)
1493 {
1494 struct bnx2x *bp = netdev_priv(dev);
1495 u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1496 if (IS_MF(bp))
1497 return 0;
1498
1499 DP(BNX2X_MSG_ETHTOOL, "ethtool_pauseparam: cmd %d\n"
1500 " autoneg %d rx_pause %d tx_pause %d\n",
1501 epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1502
1503 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1504
1505 if (epause->rx_pause)
1506 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1507
1508 if (epause->tx_pause)
1509 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1510
1511 if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
1512 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1513
1514 if (epause->autoneg) {
1515 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1516 DP(BNX2X_MSG_ETHTOOL, "autoneg not supported\n");
1517 return -EINVAL;
1518 }
1519
1520 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
1521 bp->link_params.req_flow_ctrl[cfg_idx] =
1522 BNX2X_FLOW_CTRL_AUTO;
1523 }
1524 }
1525
1526 DP(BNX2X_MSG_ETHTOOL,
1527 "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
1528
1529 if (netif_running(dev)) {
1530 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1531 bnx2x_link_set(bp);
1532 }
1533
1534 return 0;
1535 }
1536
1537 static const struct {
1538 char string[ETH_GSTRING_LEN];
1539 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
1540 { "register_test (offline)" },
1541 { "memory_test (offline)" },
1542 { "loopback_test (offline)" },
1543 { "nvram_test (online)" },
1544 { "interrupt_test (online)" },
1545 { "link_test (online)" },
1546 { "idle check (online)" }
1547 };
1548
1549 enum {
1550 BNX2X_CHIP_E1_OFST = 0,
1551 BNX2X_CHIP_E1H_OFST,
1552 BNX2X_CHIP_E2_OFST,
1553 BNX2X_CHIP_E3_OFST,
1554 BNX2X_CHIP_E3B0_OFST,
1555 BNX2X_CHIP_MAX_OFST
1556 };
1557
1558 #define BNX2X_CHIP_MASK_E1 (1 << BNX2X_CHIP_E1_OFST)
1559 #define BNX2X_CHIP_MASK_E1H (1 << BNX2X_CHIP_E1H_OFST)
1560 #define BNX2X_CHIP_MASK_E2 (1 << BNX2X_CHIP_E2_OFST)
1561 #define BNX2X_CHIP_MASK_E3 (1 << BNX2X_CHIP_E3_OFST)
1562 #define BNX2X_CHIP_MASK_E3B0 (1 << BNX2X_CHIP_E3B0_OFST)
1563
1564 #define BNX2X_CHIP_MASK_ALL ((1 << BNX2X_CHIP_MAX_OFST) - 1)
1565 #define BNX2X_CHIP_MASK_E1X (BNX2X_CHIP_MASK_E1 | BNX2X_CHIP_MASK_E1H)
1566
1567 static int bnx2x_test_registers(struct bnx2x *bp)
1568 {
1569 int idx, i, rc = -ENODEV;
1570 u32 wr_val = 0, hw;
1571 int port = BP_PORT(bp);
1572 static const struct {
1573 u32 hw;
1574 u32 offset0;
1575 u32 offset1;
1576 u32 mask;
1577 } reg_tbl[] = {
1578 /* 0 */ { BNX2X_CHIP_MASK_ALL,
1579 BRB1_REG_PAUSE_LOW_THRESHOLD_0, 4, 0x000003ff },
1580 { BNX2X_CHIP_MASK_ALL,
1581 DORQ_REG_DB_ADDR0, 4, 0xffffffff },
1582 { BNX2X_CHIP_MASK_E1X,
1583 HC_REG_AGG_INT_0, 4, 0x000003ff },
1584 { BNX2X_CHIP_MASK_ALL,
1585 PBF_REG_MAC_IF0_ENABLE, 4, 0x00000001 },
1586 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2 | BNX2X_CHIP_MASK_E3,
1587 PBF_REG_P0_INIT_CRD, 4, 0x000007ff },
1588 { BNX2X_CHIP_MASK_E3B0,
1589 PBF_REG_INIT_CRD_Q0, 4, 0x000007ff },
1590 { BNX2X_CHIP_MASK_ALL,
1591 PRS_REG_CID_PORT_0, 4, 0x00ffffff },
1592 { BNX2X_CHIP_MASK_ALL,
1593 PXP2_REG_PSWRQ_CDU0_L2P, 4, 0x000fffff },
1594 { BNX2X_CHIP_MASK_ALL,
1595 PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
1596 { BNX2X_CHIP_MASK_ALL,
1597 PXP2_REG_PSWRQ_TM0_L2P, 4, 0x000fffff },
1598 /* 10 */ { BNX2X_CHIP_MASK_ALL,
1599 PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR, 8, 0x0003ffff },
1600 { BNX2X_CHIP_MASK_ALL,
1601 PXP2_REG_PSWRQ_TSDM0_L2P, 4, 0x000fffff },
1602 { BNX2X_CHIP_MASK_ALL,
1603 QM_REG_CONNNUM_0, 4, 0x000fffff },
1604 { BNX2X_CHIP_MASK_ALL,
1605 TM_REG_LIN0_MAX_ACTIVE_CID, 4, 0x0003ffff },
1606 { BNX2X_CHIP_MASK_ALL,
1607 SRC_REG_KEYRSS0_0, 40, 0xffffffff },
1608 { BNX2X_CHIP_MASK_ALL,
1609 SRC_REG_KEYRSS0_7, 40, 0xffffffff },
1610 { BNX2X_CHIP_MASK_ALL,
1611 XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
1612 { BNX2X_CHIP_MASK_ALL,
1613 XCM_REG_WU_DA_CNT_CMD00, 4, 0x00000003 },
1614 { BNX2X_CHIP_MASK_ALL,
1615 XCM_REG_GLB_DEL_ACK_MAX_CNT_0, 4, 0x000000ff },
1616 { BNX2X_CHIP_MASK_ALL,
1617 NIG_REG_LLH0_T_BIT, 4, 0x00000001 },
1618 /* 20 */ { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1619 NIG_REG_EMAC0_IN_EN, 4, 0x00000001 },
1620 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1621 NIG_REG_BMAC0_IN_EN, 4, 0x00000001 },
1622 { BNX2X_CHIP_MASK_ALL,
1623 NIG_REG_XCM0_OUT_EN, 4, 0x00000001 },
1624 { BNX2X_CHIP_MASK_ALL,
1625 NIG_REG_BRB0_OUT_EN, 4, 0x00000001 },
1626 { BNX2X_CHIP_MASK_ALL,
1627 NIG_REG_LLH0_XCM_MASK, 4, 0x00000007 },
1628 { BNX2X_CHIP_MASK_ALL,
1629 NIG_REG_LLH0_ACPI_PAT_6_LEN, 68, 0x000000ff },
1630 { BNX2X_CHIP_MASK_ALL,
1631 NIG_REG_LLH0_ACPI_PAT_0_CRC, 68, 0xffffffff },
1632 { BNX2X_CHIP_MASK_ALL,
1633 NIG_REG_LLH0_DEST_MAC_0_0, 160, 0xffffffff },
1634 { BNX2X_CHIP_MASK_ALL,
1635 NIG_REG_LLH0_DEST_IP_0_1, 160, 0xffffffff },
1636 { BNX2X_CHIP_MASK_ALL,
1637 NIG_REG_LLH0_IPV4_IPV6_0, 160, 0x00000001 },
1638 /* 30 */ { BNX2X_CHIP_MASK_ALL,
1639 NIG_REG_LLH0_DEST_UDP_0, 160, 0x0000ffff },
1640 { BNX2X_CHIP_MASK_ALL,
1641 NIG_REG_LLH0_DEST_TCP_0, 160, 0x0000ffff },
1642 { BNX2X_CHIP_MASK_ALL,
1643 NIG_REG_LLH0_VLAN_ID_0, 160, 0x00000fff },
1644 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1645 NIG_REG_XGXS_SERDES0_MODE_SEL, 4, 0x00000001 },
1646 { BNX2X_CHIP_MASK_ALL,
1647 NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001},
1648 { BNX2X_CHIP_MASK_ALL,
1649 NIG_REG_STATUS_INTERRUPT_PORT0, 4, 0x07ffffff },
1650 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1651 NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
1652 { BNX2X_CHIP_MASK_E1X | BNX2X_CHIP_MASK_E2,
1653 NIG_REG_SERDES0_CTRL_PHY_ADDR, 16, 0x0000001f },
1654
1655 { BNX2X_CHIP_MASK_ALL, 0xffffffff, 0, 0x00000000 }
1656 };
1657
1658 if (!netif_running(bp->dev)) {
1659 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1660 "cannot access eeprom when the interface is down\n");
1661 return rc;
1662 }
1663
1664 if (CHIP_IS_E1(bp))
1665 hw = BNX2X_CHIP_MASK_E1;
1666 else if (CHIP_IS_E1H(bp))
1667 hw = BNX2X_CHIP_MASK_E1H;
1668 else if (CHIP_IS_E2(bp))
1669 hw = BNX2X_CHIP_MASK_E2;
1670 else if (CHIP_IS_E3B0(bp))
1671 hw = BNX2X_CHIP_MASK_E3B0;
1672 else /* e3 A0 */
1673 hw = BNX2X_CHIP_MASK_E3;
1674
1675 /* Repeat the test twice:
1676 First by writing 0x00000000, second by writing 0xffffffff */
1677 for (idx = 0; idx < 2; idx++) {
1678
1679 switch (idx) {
1680 case 0:
1681 wr_val = 0;
1682 break;
1683 case 1:
1684 wr_val = 0xffffffff;
1685 break;
1686 }
1687
1688 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
1689 u32 offset, mask, save_val, val;
1690 if (!(hw & reg_tbl[i].hw))
1691 continue;
1692
1693 offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
1694 mask = reg_tbl[i].mask;
1695
1696 save_val = REG_RD(bp, offset);
1697
1698 REG_WR(bp, offset, wr_val & mask);
1699
1700 val = REG_RD(bp, offset);
1701
1702 /* Restore the original register's value */
1703 REG_WR(bp, offset, save_val);
1704
1705 /* verify value is as expected */
1706 if ((val & mask) != (wr_val & mask)) {
1707 DP(BNX2X_MSG_ETHTOOL,
1708 "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
1709 offset, val, wr_val, mask);
1710 goto test_reg_exit;
1711 }
1712 }
1713 }
1714
1715 rc = 0;
1716
1717 test_reg_exit:
1718 return rc;
1719 }
1720
1721 static int bnx2x_test_memory(struct bnx2x *bp)
1722 {
1723 int i, j, rc = -ENODEV;
1724 u32 val, index;
1725 static const struct {
1726 u32 offset;
1727 int size;
1728 } mem_tbl[] = {
1729 { CCM_REG_XX_DESCR_TABLE, CCM_REG_XX_DESCR_TABLE_SIZE },
1730 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
1731 { CFC_REG_LINK_LIST, CFC_REG_LINK_LIST_SIZE },
1732 { DMAE_REG_CMD_MEM, DMAE_REG_CMD_MEM_SIZE },
1733 { TCM_REG_XX_DESCR_TABLE, TCM_REG_XX_DESCR_TABLE_SIZE },
1734 { UCM_REG_XX_DESCR_TABLE, UCM_REG_XX_DESCR_TABLE_SIZE },
1735 { XCM_REG_XX_DESCR_TABLE, XCM_REG_XX_DESCR_TABLE_SIZE },
1736
1737 { 0xffffffff, 0 }
1738 };
1739
1740 static const struct {
1741 char *name;
1742 u32 offset;
1743 u32 hw_mask[BNX2X_CHIP_MAX_OFST];
1744 } prty_tbl[] = {
1745 { "CCM_PRTY_STS", CCM_REG_CCM_PRTY_STS,
1746 {0x3ffc0, 0, 0, 0} },
1747 { "CFC_PRTY_STS", CFC_REG_CFC_PRTY_STS,
1748 {0x2, 0x2, 0, 0} },
1749 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS,
1750 {0, 0, 0, 0} },
1751 { "TCM_PRTY_STS", TCM_REG_TCM_PRTY_STS,
1752 {0x3ffc0, 0, 0, 0} },
1753 { "UCM_PRTY_STS", UCM_REG_UCM_PRTY_STS,
1754 {0x3ffc0, 0, 0, 0} },
1755 { "XCM_PRTY_STS", XCM_REG_XCM_PRTY_STS,
1756 {0x3ffc1, 0, 0, 0} },
1757
1758 { NULL, 0xffffffff, {0, 0, 0, 0} }
1759 };
1760
1761 if (!netif_running(bp->dev)) {
1762 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
1763 "cannot access eeprom when the interface is down\n");
1764 return rc;
1765 }
1766
1767 if (CHIP_IS_E1(bp))
1768 index = BNX2X_CHIP_E1_OFST;
1769 else if (CHIP_IS_E1H(bp))
1770 index = BNX2X_CHIP_E1H_OFST;
1771 else if (CHIP_IS_E2(bp))
1772 index = BNX2X_CHIP_E2_OFST;
1773 else /* e3 */
1774 index = BNX2X_CHIP_E3_OFST;
1775
1776 /* pre-Check the parity status */
1777 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1778 val = REG_RD(bp, prty_tbl[i].offset);
1779 if (val & ~(prty_tbl[i].hw_mask[index])) {
1780 DP(BNX2X_MSG_ETHTOOL,
1781 "%s is 0x%x\n", prty_tbl[i].name, val);
1782 goto test_mem_exit;
1783 }
1784 }
1785
1786 /* Go through all the memories */
1787 for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
1788 for (j = 0; j < mem_tbl[i].size; j++)
1789 REG_RD(bp, mem_tbl[i].offset + j*4);
1790
1791 /* Check the parity status */
1792 for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1793 val = REG_RD(bp, prty_tbl[i].offset);
1794 if (val & ~(prty_tbl[i].hw_mask[index])) {
1795 DP(BNX2X_MSG_ETHTOOL,
1796 "%s is 0x%x\n", prty_tbl[i].name, val);
1797 goto test_mem_exit;
1798 }
1799 }
1800
1801 rc = 0;
1802
1803 test_mem_exit:
1804 return rc;
1805 }
1806
1807 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
1808 {
1809 int cnt = 1400;
1810
1811 if (link_up) {
1812 while (bnx2x_link_test(bp, is_serdes) && cnt--)
1813 msleep(20);
1814
1815 if (cnt <= 0 && bnx2x_link_test(bp, is_serdes))
1816 DP(BNX2X_MSG_ETHTOOL, "Timeout waiting for link up\n");
1817 }
1818 }
1819
1820 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode)
1821 {
1822 unsigned int pkt_size, num_pkts, i;
1823 struct sk_buff *skb;
1824 unsigned char *packet;
1825 struct bnx2x_fastpath *fp_rx = &bp->fp[0];
1826 struct bnx2x_fastpath *fp_tx = &bp->fp[0];
1827 struct bnx2x_fp_txdata *txdata = &fp_tx->txdata[0];
1828 u16 tx_start_idx, tx_idx;
1829 u16 rx_start_idx, rx_idx;
1830 u16 pkt_prod, bd_prod;
1831 struct sw_tx_bd *tx_buf;
1832 struct eth_tx_start_bd *tx_start_bd;
1833 struct eth_tx_parse_bd_e1x *pbd_e1x = NULL;
1834 struct eth_tx_parse_bd_e2 *pbd_e2 = NULL;
1835 dma_addr_t mapping;
1836 union eth_rx_cqe *cqe;
1837 u8 cqe_fp_flags, cqe_fp_type;
1838 struct sw_rx_bd *rx_buf;
1839 u16 len;
1840 int rc = -ENODEV;
1841 u8 *data;
1842 struct netdev_queue *txq = netdev_get_tx_queue(bp->dev, txdata->txq_index);
1843
1844 /* check the loopback mode */
1845 switch (loopback_mode) {
1846 case BNX2X_PHY_LOOPBACK:
1847 if (bp->link_params.loopback_mode != LOOPBACK_XGXS)
1848 return -EINVAL;
1849 break;
1850 case BNX2X_MAC_LOOPBACK:
1851 if (CHIP_IS_E3(bp)) {
1852 int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1853 if (bp->port.supported[cfg_idx] &
1854 (SUPPORTED_10000baseT_Full |
1855 SUPPORTED_20000baseMLD2_Full |
1856 SUPPORTED_20000baseKR2_Full))
1857 bp->link_params.loopback_mode = LOOPBACK_XMAC;
1858 else
1859 bp->link_params.loopback_mode = LOOPBACK_UMAC;
1860 } else
1861 bp->link_params.loopback_mode = LOOPBACK_BMAC;
1862
1863 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1864 break;
1865 default:
1866 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
1867 return -EINVAL;
1868 }
1869
1870 /* prepare the loopback packet */
1871 pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
1872 bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
1873 skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
1874 if (!skb) {
1875 DP(BNX2X_MSG_ETHTOOL, "Can't allocate skb\n");
1876 rc = -ENOMEM;
1877 goto test_loopback_exit;
1878 }
1879 packet = skb_put(skb, pkt_size);
1880 memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
1881 memset(packet + ETH_ALEN, 0, ETH_ALEN);
1882 memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
1883 for (i = ETH_HLEN; i < pkt_size; i++)
1884 packet[i] = (unsigned char) (i & 0xff);
1885 mapping = dma_map_single(&bp->pdev->dev, skb->data,
1886 skb_headlen(skb), DMA_TO_DEVICE);
1887 if (unlikely(dma_mapping_error(&bp->pdev->dev, mapping))) {
1888 rc = -ENOMEM;
1889 dev_kfree_skb(skb);
1890 DP(BNX2X_MSG_ETHTOOL, "Unable to map SKB\n");
1891 goto test_loopback_exit;
1892 }
1893
1894 /* send the loopback packet */
1895 num_pkts = 0;
1896 tx_start_idx = le16_to_cpu(*txdata->tx_cons_sb);
1897 rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1898
1899 netdev_tx_sent_queue(txq, skb->len);
1900
1901 pkt_prod = txdata->tx_pkt_prod++;
1902 tx_buf = &txdata->tx_buf_ring[TX_BD(pkt_prod)];
1903 tx_buf->first_bd = txdata->tx_bd_prod;
1904 tx_buf->skb = skb;
1905 tx_buf->flags = 0;
1906
1907 bd_prod = TX_BD(txdata->tx_bd_prod);
1908 tx_start_bd = &txdata->tx_desc_ring[bd_prod].start_bd;
1909 tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1910 tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1911 tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
1912 tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
1913 tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
1914 tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
1915 SET_FLAG(tx_start_bd->general_data,
1916 ETH_TX_START_BD_ETH_ADDR_TYPE,
1917 UNICAST_ADDRESS);
1918 SET_FLAG(tx_start_bd->general_data,
1919 ETH_TX_START_BD_HDR_NBDS,
1920 1);
1921
1922 /* turn on parsing and get a BD */
1923 bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
1924
1925 pbd_e1x = &txdata->tx_desc_ring[bd_prod].parse_bd_e1x;
1926 pbd_e2 = &txdata->tx_desc_ring[bd_prod].parse_bd_e2;
1927
1928 memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
1929 memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
1930
1931 wmb();
1932
1933 txdata->tx_db.data.prod += 2;
1934 barrier();
1935 DOORBELL(bp, txdata->cid, txdata->tx_db.raw);
1936
1937 mmiowb();
1938 barrier();
1939
1940 num_pkts++;
1941 txdata->tx_bd_prod += 2; /* start + pbd */
1942
1943 udelay(100);
1944
1945 tx_idx = le16_to_cpu(*txdata->tx_cons_sb);
1946 if (tx_idx != tx_start_idx + num_pkts)
1947 goto test_loopback_exit;
1948
1949 /* Unlike HC IGU won't generate an interrupt for status block
1950 * updates that have been performed while interrupts were
1951 * disabled.
1952 */
1953 if (bp->common.int_block == INT_BLOCK_IGU) {
1954 /* Disable local BHes to prevent a dead-lock situation between
1955 * sch_direct_xmit() and bnx2x_run_loopback() (calling
1956 * bnx2x_tx_int()), as both are taking netif_tx_lock().
1957 */
1958 local_bh_disable();
1959 bnx2x_tx_int(bp, txdata);
1960 local_bh_enable();
1961 }
1962
1963 rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1964 if (rx_idx != rx_start_idx + num_pkts)
1965 goto test_loopback_exit;
1966
1967 cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
1968 cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1969 cqe_fp_type = cqe_fp_flags & ETH_FAST_PATH_RX_CQE_TYPE;
1970 if (!CQE_TYPE_FAST(cqe_fp_type) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
1971 goto test_loopback_rx_exit;
1972
1973 len = le16_to_cpu(cqe->fast_path_cqe.pkt_len_or_gro_seg_len);
1974 if (len != pkt_size)
1975 goto test_loopback_rx_exit;
1976
1977 rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
1978 dma_sync_single_for_cpu(&bp->pdev->dev,
1979 dma_unmap_addr(rx_buf, mapping),
1980 fp_rx->rx_buf_size, DMA_FROM_DEVICE);
1981 data = rx_buf->data + NET_SKB_PAD + cqe->fast_path_cqe.placement_offset;
1982 for (i = ETH_HLEN; i < pkt_size; i++)
1983 if (*(data + i) != (unsigned char) (i & 0xff))
1984 goto test_loopback_rx_exit;
1985
1986 rc = 0;
1987
1988 test_loopback_rx_exit:
1989
1990 fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
1991 fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
1992 fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
1993 fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
1994
1995 /* Update producers */
1996 bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
1997 fp_rx->rx_sge_prod);
1998
1999 test_loopback_exit:
2000 bp->link_params.loopback_mode = LOOPBACK_NONE;
2001
2002 return rc;
2003 }
2004
2005 static int bnx2x_test_loopback(struct bnx2x *bp)
2006 {
2007 int rc = 0, res;
2008
2009 if (BP_NOMCP(bp))
2010 return rc;
2011
2012 if (!netif_running(bp->dev))
2013 return BNX2X_LOOPBACK_FAILED;
2014
2015 bnx2x_netif_stop(bp, 1);
2016 bnx2x_acquire_phy_lock(bp);
2017
2018 res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK);
2019 if (res) {
2020 DP(BNX2X_MSG_ETHTOOL, " PHY loopback failed (res %d)\n", res);
2021 rc |= BNX2X_PHY_LOOPBACK_FAILED;
2022 }
2023
2024 res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK);
2025 if (res) {
2026 DP(BNX2X_MSG_ETHTOOL, " MAC loopback failed (res %d)\n", res);
2027 rc |= BNX2X_MAC_LOOPBACK_FAILED;
2028 }
2029
2030 bnx2x_release_phy_lock(bp);
2031 bnx2x_netif_start(bp);
2032
2033 return rc;
2034 }
2035
2036 #define CRC32_RESIDUAL 0xdebb20e3
2037
2038 static int bnx2x_test_nvram(struct bnx2x *bp)
2039 {
2040 static const struct {
2041 int offset;
2042 int size;
2043 } nvram_tbl[] = {
2044 { 0, 0x14 }, /* bootstrap */
2045 { 0x14, 0xec }, /* dir */
2046 { 0x100, 0x350 }, /* manuf_info */
2047 { 0x450, 0xf0 }, /* feature_info */
2048 { 0x640, 0x64 }, /* upgrade_key_info */
2049 { 0x708, 0x70 }, /* manuf_key_info */
2050 { 0, 0 }
2051 };
2052 __be32 *buf;
2053 u8 *data;
2054 int i, rc;
2055 u32 magic, crc;
2056
2057 if (BP_NOMCP(bp))
2058 return 0;
2059
2060 buf = kmalloc(0x350, GFP_KERNEL);
2061 if (!buf) {
2062 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM, "kmalloc failed\n");
2063 rc = -ENOMEM;
2064 goto test_nvram_exit;
2065 }
2066 data = (u8 *)buf;
2067
2068 rc = bnx2x_nvram_read(bp, 0, data, 4);
2069 if (rc) {
2070 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2071 "magic value read (rc %d)\n", rc);
2072 goto test_nvram_exit;
2073 }
2074
2075 magic = be32_to_cpu(buf[0]);
2076 if (magic != 0x669955aa) {
2077 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2078 "wrong magic value (0x%08x)\n", magic);
2079 rc = -ENODEV;
2080 goto test_nvram_exit;
2081 }
2082
2083 for (i = 0; nvram_tbl[i].size; i++) {
2084
2085 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
2086 nvram_tbl[i].size);
2087 if (rc) {
2088 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2089 "nvram_tbl[%d] read data (rc %d)\n", i, rc);
2090 goto test_nvram_exit;
2091 }
2092
2093 crc = ether_crc_le(nvram_tbl[i].size, data);
2094 if (crc != CRC32_RESIDUAL) {
2095 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2096 "nvram_tbl[%d] wrong crc value (0x%08x)\n", i, crc);
2097 rc = -ENODEV;
2098 goto test_nvram_exit;
2099 }
2100 }
2101
2102 test_nvram_exit:
2103 kfree(buf);
2104 return rc;
2105 }
2106
2107 /* Send an EMPTY ramrod on the first queue */
2108 static int bnx2x_test_intr(struct bnx2x *bp)
2109 {
2110 struct bnx2x_queue_state_params params = {NULL};
2111
2112 if (!netif_running(bp->dev)) {
2113 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2114 "cannot access eeprom when the interface is down\n");
2115 return -ENODEV;
2116 }
2117
2118 params.q_obj = &bp->fp->q_obj;
2119 params.cmd = BNX2X_Q_CMD_EMPTY;
2120
2121 __set_bit(RAMROD_COMP_WAIT, &params.ramrod_flags);
2122
2123 return bnx2x_queue_state_change(bp, &params);
2124 }
2125
2126 static void bnx2x_self_test(struct net_device *dev,
2127 struct ethtool_test *etest, u64 *buf)
2128 {
2129 struct bnx2x *bp = netdev_priv(dev);
2130 u8 is_serdes;
2131 if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
2132 netdev_err(bp->dev,
2133 "Handling parity error recovery. Try again later\n");
2134 etest->flags |= ETH_TEST_FL_FAILED;
2135 return;
2136 }
2137
2138 memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
2139
2140 if (!netif_running(dev))
2141 return;
2142
2143 /* offline tests are not supported in MF mode */
2144 if (IS_MF(bp))
2145 etest->flags &= ~ETH_TEST_FL_OFFLINE;
2146 is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
2147
2148 if (etest->flags & ETH_TEST_FL_OFFLINE) {
2149 int port = BP_PORT(bp);
2150 u32 val;
2151 u8 link_up;
2152
2153 /* save current value of input enable for TX port IF */
2154 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
2155 /* disable input for TX port IF */
2156 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
2157
2158 link_up = bp->link_vars.link_up;
2159
2160 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
2161 bnx2x_nic_load(bp, LOAD_DIAG);
2162 /* wait until link state is restored */
2163 bnx2x_wait_for_link(bp, 1, is_serdes);
2164
2165 if (bnx2x_test_registers(bp) != 0) {
2166 buf[0] = 1;
2167 etest->flags |= ETH_TEST_FL_FAILED;
2168 }
2169 if (bnx2x_test_memory(bp) != 0) {
2170 buf[1] = 1;
2171 etest->flags |= ETH_TEST_FL_FAILED;
2172 }
2173
2174 buf[2] = bnx2x_test_loopback(bp);
2175 if (buf[2] != 0)
2176 etest->flags |= ETH_TEST_FL_FAILED;
2177
2178 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
2179
2180 /* restore input for TX port IF */
2181 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
2182
2183 bnx2x_nic_load(bp, LOAD_NORMAL);
2184 /* wait until link state is restored */
2185 bnx2x_wait_for_link(bp, link_up, is_serdes);
2186 }
2187 if (bnx2x_test_nvram(bp) != 0) {
2188 buf[3] = 1;
2189 etest->flags |= ETH_TEST_FL_FAILED;
2190 }
2191 if (bnx2x_test_intr(bp) != 0) {
2192 buf[4] = 1;
2193 etest->flags |= ETH_TEST_FL_FAILED;
2194 }
2195
2196 if (bnx2x_link_test(bp, is_serdes) != 0) {
2197 buf[5] = 1;
2198 etest->flags |= ETH_TEST_FL_FAILED;
2199 }
2200
2201 #ifdef BNX2X_EXTRA_DEBUG
2202 bnx2x_panic_dump(bp);
2203 #endif
2204 }
2205
2206 #define IS_PORT_STAT(i) \
2207 ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
2208 #define IS_FUNC_STAT(i) (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
2209 #define IS_MF_MODE_STAT(bp) \
2210 (IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS))
2211
2212 /* ethtool statistics are displayed for all regular ethernet queues and the
2213 * fcoe L2 queue if not disabled
2214 */
2215 static inline int bnx2x_num_stat_queues(struct bnx2x *bp)
2216 {
2217 return BNX2X_NUM_ETH_QUEUES(bp);
2218 }
2219
2220 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
2221 {
2222 struct bnx2x *bp = netdev_priv(dev);
2223 int i, num_stats;
2224
2225 switch (stringset) {
2226 case ETH_SS_STATS:
2227 if (is_multi(bp)) {
2228 num_stats = bnx2x_num_stat_queues(bp) *
2229 BNX2X_NUM_Q_STATS;
2230 } else
2231 num_stats = 0;
2232 if (IS_MF_MODE_STAT(bp)) {
2233 for (i = 0; i < BNX2X_NUM_STATS; i++)
2234 if (IS_FUNC_STAT(i))
2235 num_stats++;
2236 } else
2237 num_stats += BNX2X_NUM_STATS;
2238
2239 return num_stats;
2240
2241 case ETH_SS_TEST:
2242 return BNX2X_NUM_TESTS;
2243
2244 default:
2245 return -EINVAL;
2246 }
2247 }
2248
2249 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
2250 {
2251 struct bnx2x *bp = netdev_priv(dev);
2252 int i, j, k;
2253 char queue_name[MAX_QUEUE_NAME_LEN+1];
2254
2255 switch (stringset) {
2256 case ETH_SS_STATS:
2257 k = 0;
2258 if (is_multi(bp)) {
2259 for_each_eth_queue(bp, i) {
2260 memset(queue_name, 0, sizeof(queue_name));
2261 sprintf(queue_name, "%d", i);
2262 for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
2263 snprintf(buf + (k + j)*ETH_GSTRING_LEN,
2264 ETH_GSTRING_LEN,
2265 bnx2x_q_stats_arr[j].string,
2266 queue_name);
2267 k += BNX2X_NUM_Q_STATS;
2268 }
2269 }
2270
2271
2272 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
2273 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
2274 continue;
2275 strcpy(buf + (k + j)*ETH_GSTRING_LEN,
2276 bnx2x_stats_arr[i].string);
2277 j++;
2278 }
2279
2280 break;
2281
2282 case ETH_SS_TEST:
2283 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
2284 break;
2285 }
2286 }
2287
2288 static void bnx2x_get_ethtool_stats(struct net_device *dev,
2289 struct ethtool_stats *stats, u64 *buf)
2290 {
2291 struct bnx2x *bp = netdev_priv(dev);
2292 u32 *hw_stats, *offset;
2293 int i, j, k = 0;
2294
2295 if (is_multi(bp)) {
2296 for_each_eth_queue(bp, i) {
2297 hw_stats = (u32 *)&bp->fp[i].eth_q_stats;
2298 for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
2299 if (bnx2x_q_stats_arr[j].size == 0) {
2300 /* skip this counter */
2301 buf[k + j] = 0;
2302 continue;
2303 }
2304 offset = (hw_stats +
2305 bnx2x_q_stats_arr[j].offset);
2306 if (bnx2x_q_stats_arr[j].size == 4) {
2307 /* 4-byte counter */
2308 buf[k + j] = (u64) *offset;
2309 continue;
2310 }
2311 /* 8-byte counter */
2312 buf[k + j] = HILO_U64(*offset, *(offset + 1));
2313 }
2314 k += BNX2X_NUM_Q_STATS;
2315 }
2316 }
2317
2318 hw_stats = (u32 *)&bp->eth_stats;
2319 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
2320 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
2321 continue;
2322 if (bnx2x_stats_arr[i].size == 0) {
2323 /* skip this counter */
2324 buf[k + j] = 0;
2325 j++;
2326 continue;
2327 }
2328 offset = (hw_stats + bnx2x_stats_arr[i].offset);
2329 if (bnx2x_stats_arr[i].size == 4) {
2330 /* 4-byte counter */
2331 buf[k + j] = (u64) *offset;
2332 j++;
2333 continue;
2334 }
2335 /* 8-byte counter */
2336 buf[k + j] = HILO_U64(*offset, *(offset + 1));
2337 j++;
2338 }
2339 }
2340
2341 static int bnx2x_set_phys_id(struct net_device *dev,
2342 enum ethtool_phys_id_state state)
2343 {
2344 struct bnx2x *bp = netdev_priv(dev);
2345
2346 if (!netif_running(dev)) {
2347 DP(BNX2X_MSG_ETHTOOL | BNX2X_MSG_NVM,
2348 "cannot access eeprom when the interface is down\n");
2349 return -EAGAIN;
2350 }
2351
2352 if (!bp->port.pmf) {
2353 DP(BNX2X_MSG_ETHTOOL, "Interface is not pmf\n");
2354 return -EOPNOTSUPP;
2355 }
2356
2357 switch (state) {
2358 case ETHTOOL_ID_ACTIVE:
2359 return 1; /* cycle on/off once per second */
2360
2361 case ETHTOOL_ID_ON:
2362 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2363 LED_MODE_ON, SPEED_1000);
2364 break;
2365
2366 case ETHTOOL_ID_OFF:
2367 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2368 LED_MODE_FRONT_PANEL_OFF, 0);
2369
2370 break;
2371
2372 case ETHTOOL_ID_INACTIVE:
2373 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2374 LED_MODE_OPER,
2375 bp->link_vars.line_speed);
2376 }
2377
2378 return 0;
2379 }
2380
2381 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2382 u32 *rules __always_unused)
2383 {
2384 struct bnx2x *bp = netdev_priv(dev);
2385
2386 switch (info->cmd) {
2387 case ETHTOOL_GRXRINGS:
2388 info->data = BNX2X_NUM_ETH_QUEUES(bp);
2389 return 0;
2390
2391 default:
2392 DP(BNX2X_MSG_ETHTOOL, "Command parameters not supported\n");
2393 return -EOPNOTSUPP;
2394 }
2395 }
2396
2397 static u32 bnx2x_get_rxfh_indir_size(struct net_device *dev)
2398 {
2399 struct bnx2x *bp = netdev_priv(dev);
2400
2401 return (bp->multi_mode == ETH_RSS_MODE_DISABLED ?
2402 0 : T_ETH_INDIRECTION_TABLE_SIZE);
2403 }
2404
2405 static int bnx2x_get_rxfh_indir(struct net_device *dev, u32 *indir)
2406 {
2407 struct bnx2x *bp = netdev_priv(dev);
2408 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
2409 size_t i;
2410
2411 /* Get the current configuration of the RSS indirection table */
2412 bnx2x_get_rss_ind_table(&bp->rss_conf_obj, ind_table);
2413
2414 /*
2415 * We can't use a memcpy() as an internal storage of an
2416 * indirection table is a u8 array while indir->ring_index
2417 * points to an array of u32.
2418 *
2419 * Indirection table contains the FW Client IDs, so we need to
2420 * align the returned table to the Client ID of the leading RSS
2421 * queue.
2422 */
2423 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++)
2424 indir[i] = ind_table[i] - bp->fp->cl_id;
2425
2426 return 0;
2427 }
2428
2429 static int bnx2x_set_rxfh_indir(struct net_device *dev, const u32 *indir)
2430 {
2431 struct bnx2x *bp = netdev_priv(dev);
2432 size_t i;
2433 u8 ind_table[T_ETH_INDIRECTION_TABLE_SIZE] = {0};
2434
2435 for (i = 0; i < T_ETH_INDIRECTION_TABLE_SIZE; i++) {
2436 /*
2437 * The same as in bnx2x_get_rxfh_indir: we can't use a memcpy()
2438 * as an internal storage of an indirection table is a u8 array
2439 * while indir->ring_index points to an array of u32.
2440 *
2441 * Indirection table contains the FW Client IDs, so we need to
2442 * align the received table to the Client ID of the leading RSS
2443 * queue
2444 */
2445 ind_table[i] = indir[i] + bp->fp->cl_id;
2446 }
2447
2448 return bnx2x_config_rss_pf(bp, ind_table, false);
2449 }
2450
2451 static const struct ethtool_ops bnx2x_ethtool_ops = {
2452 .get_settings = bnx2x_get_settings,
2453 .set_settings = bnx2x_set_settings,
2454 .get_drvinfo = bnx2x_get_drvinfo,
2455 .get_regs_len = bnx2x_get_regs_len,
2456 .get_regs = bnx2x_get_regs,
2457 .get_wol = bnx2x_get_wol,
2458 .set_wol = bnx2x_set_wol,
2459 .get_msglevel = bnx2x_get_msglevel,
2460 .set_msglevel = bnx2x_set_msglevel,
2461 .nway_reset = bnx2x_nway_reset,
2462 .get_link = bnx2x_get_link,
2463 .get_eeprom_len = bnx2x_get_eeprom_len,
2464 .get_eeprom = bnx2x_get_eeprom,
2465 .set_eeprom = bnx2x_set_eeprom,
2466 .get_coalesce = bnx2x_get_coalesce,
2467 .set_coalesce = bnx2x_set_coalesce,
2468 .get_ringparam = bnx2x_get_ringparam,
2469 .set_ringparam = bnx2x_set_ringparam,
2470 .get_pauseparam = bnx2x_get_pauseparam,
2471 .set_pauseparam = bnx2x_set_pauseparam,
2472 .self_test = bnx2x_self_test,
2473 .get_sset_count = bnx2x_get_sset_count,
2474 .get_strings = bnx2x_get_strings,
2475 .set_phys_id = bnx2x_set_phys_id,
2476 .get_ethtool_stats = bnx2x_get_ethtool_stats,
2477 .get_rxnfc = bnx2x_get_rxnfc,
2478 .get_rxfh_indir_size = bnx2x_get_rxfh_indir_size,
2479 .get_rxfh_indir = bnx2x_get_rxfh_indir,
2480 .set_rxfh_indir = bnx2x_set_rxfh_indir,
2481 };
2482
2483 void bnx2x_set_ethtool_ops(struct net_device *netdev)
2484 {
2485 SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
2486 }
Linus' kernel tree