Merge branch 'x86-urgent-for-linus' of git://git.kernel.org/pub/scm/linux/kernel...
[pandora-kernel.git] / drivers / net / bnx2x / bnx2x_ethtool.c
1 /* bnx2x_ethtool.c: Broadcom Everest network driver.
2  *
3  * Copyright (c) 2007-2011 Broadcom Corporation
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation.
8  *
9  * Maintained by: Eilon Greenstein <eilong@broadcom.com>
10  * Written by: Eliezer Tamir
11  * Based on code from Michael Chan's bnx2 driver
12  * UDP CSUM errata workaround by Arik Gendelman
13  * Slowpath and fastpath rework by Vladislav Zolotarov
14  * Statistics and Link management by Yitchak Gertner
15  *
16  */
17 #include <linux/ethtool.h>
18 #include <linux/netdevice.h>
19 #include <linux/types.h>
20 #include <linux/sched.h>
21 #include <linux/crc32.h>
22
23
24 #include "bnx2x.h"
25 #include "bnx2x_cmn.h"
26 #include "bnx2x_dump.h"
27 #include "bnx2x_init.h"
28
29 /* Note: in the format strings below %s is replaced by the queue-name which is
30  * either its index or 'fcoe' for the fcoe queue. Make sure the format string
31  * length does not exceed ETH_GSTRING_LEN - MAX_QUEUE_NAME_LEN + 2
32  */
33 #define MAX_QUEUE_NAME_LEN      4
34 static const struct {
35         long offset;
36         int size;
37         char string[ETH_GSTRING_LEN];
38 } bnx2x_q_stats_arr[] = {
39 /* 1 */ { Q_STATS_OFFSET32(total_bytes_received_hi), 8, "[%s]: rx_bytes" },
40         { Q_STATS_OFFSET32(error_bytes_received_hi),
41                                                 8, "[%s]: rx_error_bytes" },
42         { Q_STATS_OFFSET32(total_unicast_packets_received_hi),
43                                                 8, "[%s]: rx_ucast_packets" },
44         { Q_STATS_OFFSET32(total_multicast_packets_received_hi),
45                                                 8, "[%s]: rx_mcast_packets" },
46         { Q_STATS_OFFSET32(total_broadcast_packets_received_hi),
47                                                 8, "[%s]: rx_bcast_packets" },
48         { Q_STATS_OFFSET32(no_buff_discard_hi), 8, "[%s]: rx_discards" },
49         { Q_STATS_OFFSET32(rx_err_discard_pkt),
50                                          4, "[%s]: rx_phy_ip_err_discards"},
51         { Q_STATS_OFFSET32(rx_skb_alloc_failed),
52                                          4, "[%s]: rx_skb_alloc_discard" },
53         { Q_STATS_OFFSET32(hw_csum_err), 4, "[%s]: rx_csum_offload_errors" },
54
55 /* 10 */{ Q_STATS_OFFSET32(total_bytes_transmitted_hi), 8, "[%s]: tx_bytes" },
56         { Q_STATS_OFFSET32(total_unicast_packets_transmitted_hi),
57                                                 8, "[%s]: tx_ucast_packets" },
58         { Q_STATS_OFFSET32(total_multicast_packets_transmitted_hi),
59                                                 8, "[%s]: tx_mcast_packets" },
60         { Q_STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
61                                                 8, "[%s]: tx_bcast_packets" }
62 };
63
64 #define BNX2X_NUM_Q_STATS ARRAY_SIZE(bnx2x_q_stats_arr)
65
66 static const struct {
67         long offset;
68         int size;
69         u32 flags;
70 #define STATS_FLAGS_PORT                1
71 #define STATS_FLAGS_FUNC                2
72 #define STATS_FLAGS_BOTH                (STATS_FLAGS_FUNC | STATS_FLAGS_PORT)
73         char string[ETH_GSTRING_LEN];
74 } bnx2x_stats_arr[] = {
75 /* 1 */ { STATS_OFFSET32(total_bytes_received_hi),
76                                 8, STATS_FLAGS_BOTH, "rx_bytes" },
77         { STATS_OFFSET32(error_bytes_received_hi),
78                                 8, STATS_FLAGS_BOTH, "rx_error_bytes" },
79         { STATS_OFFSET32(total_unicast_packets_received_hi),
80                                 8, STATS_FLAGS_BOTH, "rx_ucast_packets" },
81         { STATS_OFFSET32(total_multicast_packets_received_hi),
82                                 8, STATS_FLAGS_BOTH, "rx_mcast_packets" },
83         { STATS_OFFSET32(total_broadcast_packets_received_hi),
84                                 8, STATS_FLAGS_BOTH, "rx_bcast_packets" },
85         { STATS_OFFSET32(rx_stat_dot3statsfcserrors_hi),
86                                 8, STATS_FLAGS_PORT, "rx_crc_errors" },
87         { STATS_OFFSET32(rx_stat_dot3statsalignmenterrors_hi),
88                                 8, STATS_FLAGS_PORT, "rx_align_errors" },
89         { STATS_OFFSET32(rx_stat_etherstatsundersizepkts_hi),
90                                 8, STATS_FLAGS_PORT, "rx_undersize_packets" },
91         { STATS_OFFSET32(etherstatsoverrsizepkts_hi),
92                                 8, STATS_FLAGS_PORT, "rx_oversize_packets" },
93 /* 10 */{ STATS_OFFSET32(rx_stat_etherstatsfragments_hi),
94                                 8, STATS_FLAGS_PORT, "rx_fragments" },
95         { STATS_OFFSET32(rx_stat_etherstatsjabbers_hi),
96                                 8, STATS_FLAGS_PORT, "rx_jabbers" },
97         { STATS_OFFSET32(no_buff_discard_hi),
98                                 8, STATS_FLAGS_BOTH, "rx_discards" },
99         { STATS_OFFSET32(mac_filter_discard),
100                                 4, STATS_FLAGS_PORT, "rx_filtered_packets" },
101         { STATS_OFFSET32(xxoverflow_discard),
102                                 4, STATS_FLAGS_PORT, "rx_fw_discards" },
103         { STATS_OFFSET32(brb_drop_hi),
104                                 8, STATS_FLAGS_PORT, "rx_brb_discard" },
105         { STATS_OFFSET32(brb_truncate_hi),
106                                 8, STATS_FLAGS_PORT, "rx_brb_truncate" },
107         { STATS_OFFSET32(pause_frames_received_hi),
108                                 8, STATS_FLAGS_PORT, "rx_pause_frames" },
109         { STATS_OFFSET32(rx_stat_maccontrolframesreceived_hi),
110                                 8, STATS_FLAGS_PORT, "rx_mac_ctrl_frames" },
111         { STATS_OFFSET32(nig_timer_max),
112                         4, STATS_FLAGS_PORT, "rx_constant_pause_events" },
113 /* 20 */{ STATS_OFFSET32(rx_err_discard_pkt),
114                                 4, STATS_FLAGS_BOTH, "rx_phy_ip_err_discards"},
115         { STATS_OFFSET32(rx_skb_alloc_failed),
116                                 4, STATS_FLAGS_BOTH, "rx_skb_alloc_discard" },
117         { STATS_OFFSET32(hw_csum_err),
118                                 4, STATS_FLAGS_BOTH, "rx_csum_offload_errors" },
119
120         { STATS_OFFSET32(total_bytes_transmitted_hi),
121                                 8, STATS_FLAGS_BOTH, "tx_bytes" },
122         { STATS_OFFSET32(tx_stat_ifhcoutbadoctets_hi),
123                                 8, STATS_FLAGS_PORT, "tx_error_bytes" },
124         { STATS_OFFSET32(total_unicast_packets_transmitted_hi),
125                                 8, STATS_FLAGS_BOTH, "tx_ucast_packets" },
126         { STATS_OFFSET32(total_multicast_packets_transmitted_hi),
127                                 8, STATS_FLAGS_BOTH, "tx_mcast_packets" },
128         { STATS_OFFSET32(total_broadcast_packets_transmitted_hi),
129                                 8, STATS_FLAGS_BOTH, "tx_bcast_packets" },
130         { STATS_OFFSET32(tx_stat_dot3statsinternalmactransmiterrors_hi),
131                                 8, STATS_FLAGS_PORT, "tx_mac_errors" },
132         { STATS_OFFSET32(rx_stat_dot3statscarriersenseerrors_hi),
133                                 8, STATS_FLAGS_PORT, "tx_carrier_errors" },
134 /* 30 */{ STATS_OFFSET32(tx_stat_dot3statssinglecollisionframes_hi),
135                                 8, STATS_FLAGS_PORT, "tx_single_collisions" },
136         { STATS_OFFSET32(tx_stat_dot3statsmultiplecollisionframes_hi),
137                                 8, STATS_FLAGS_PORT, "tx_multi_collisions" },
138         { STATS_OFFSET32(tx_stat_dot3statsdeferredtransmissions_hi),
139                                 8, STATS_FLAGS_PORT, "tx_deferred" },
140         { STATS_OFFSET32(tx_stat_dot3statsexcessivecollisions_hi),
141                                 8, STATS_FLAGS_PORT, "tx_excess_collisions" },
142         { STATS_OFFSET32(tx_stat_dot3statslatecollisions_hi),
143                                 8, STATS_FLAGS_PORT, "tx_late_collisions" },
144         { STATS_OFFSET32(tx_stat_etherstatscollisions_hi),
145                                 8, STATS_FLAGS_PORT, "tx_total_collisions" },
146         { STATS_OFFSET32(tx_stat_etherstatspkts64octets_hi),
147                                 8, STATS_FLAGS_PORT, "tx_64_byte_packets" },
148         { STATS_OFFSET32(tx_stat_etherstatspkts65octetsto127octets_hi),
149                         8, STATS_FLAGS_PORT, "tx_65_to_127_byte_packets" },
150         { STATS_OFFSET32(tx_stat_etherstatspkts128octetsto255octets_hi),
151                         8, STATS_FLAGS_PORT, "tx_128_to_255_byte_packets" },
152         { STATS_OFFSET32(tx_stat_etherstatspkts256octetsto511octets_hi),
153                         8, STATS_FLAGS_PORT, "tx_256_to_511_byte_packets" },
154 /* 40 */{ STATS_OFFSET32(tx_stat_etherstatspkts512octetsto1023octets_hi),
155                         8, STATS_FLAGS_PORT, "tx_512_to_1023_byte_packets" },
156         { STATS_OFFSET32(etherstatspkts1024octetsto1522octets_hi),
157                         8, STATS_FLAGS_PORT, "tx_1024_to_1522_byte_packets" },
158         { STATS_OFFSET32(etherstatspktsover1522octets_hi),
159                         8, STATS_FLAGS_PORT, "tx_1523_to_9022_byte_packets" },
160         { STATS_OFFSET32(pause_frames_sent_hi),
161                                 8, STATS_FLAGS_PORT, "tx_pause_frames" }
162 };
163
164 #define BNX2X_NUM_STATS         ARRAY_SIZE(bnx2x_stats_arr)
165
166 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
167 {
168         struct bnx2x *bp = netdev_priv(dev);
169         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
170
171         /* Dual Media boards present all available port types */
172         cmd->supported = bp->port.supported[cfg_idx] |
173                 (bp->port.supported[cfg_idx ^ 1] &
174                  (SUPPORTED_TP | SUPPORTED_FIBRE));
175         cmd->advertising = bp->port.advertising[cfg_idx];
176
177         if ((bp->state == BNX2X_STATE_OPEN) &&
178             !(bp->flags & MF_FUNC_DIS) &&
179             (bp->link_vars.link_up)) {
180                 ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed);
181                 cmd->duplex = bp->link_vars.duplex;
182         } else {
183                 ethtool_cmd_speed_set(
184                         cmd, bp->link_params.req_line_speed[cfg_idx]);
185                 cmd->duplex = bp->link_params.req_duplex[cfg_idx];
186         }
187
188         if (IS_MF(bp))
189                 ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp));
190
191         if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
192                 cmd->port = PORT_TP;
193         else if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
194                 cmd->port = PORT_FIBRE;
195         else
196                 BNX2X_ERR("XGXS PHY Failure detected\n");
197
198         cmd->phy_address = bp->mdio.prtad;
199         cmd->transceiver = XCVR_INTERNAL;
200
201         if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
202                 cmd->autoneg = AUTONEG_ENABLE;
203         else
204                 cmd->autoneg = AUTONEG_DISABLE;
205
206         cmd->maxtxpkt = 0;
207         cmd->maxrxpkt = 0;
208
209         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
210            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %u\n"
211            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
212            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
213            cmd->cmd, cmd->supported, cmd->advertising,
214            ethtool_cmd_speed(cmd),
215            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
216            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
217
218         return 0;
219 }
220
221 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
222 {
223         struct bnx2x *bp = netdev_priv(dev);
224         u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
225         u32 speed;
226
227         if (IS_MF_SD(bp))
228                 return 0;
229
230         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
231            "  supported 0x%x  advertising 0x%x  speed %u\n"
232            "  duplex %d  port %d  phy_address %d  transceiver %d\n"
233            "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
234            cmd->cmd, cmd->supported, cmd->advertising,
235            ethtool_cmd_speed(cmd),
236            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
237            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
238
239         speed = ethtool_cmd_speed(cmd);
240
241         if (IS_MF_SI(bp)) {
242                 u32 part;
243                 u32 line_speed = bp->link_vars.line_speed;
244
245                 /* use 10G if no link detected */
246                 if (!line_speed)
247                         line_speed = 10000;
248
249                 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
250                         BNX2X_DEV_INFO("To set speed BC %X or higher "
251                                        "is required, please upgrade BC\n",
252                                        REQ_BC_VER_4_SET_MF_BW);
253                         return -EINVAL;
254                 }
255
256                 part = (speed * 100) / line_speed;
257
258                 if (line_speed < speed || !part) {
259                         BNX2X_DEV_INFO("Speed setting should be in a range "
260                                        "from 1%% to 100%% "
261                                        "of actual line speed\n");
262                         return -EINVAL;
263                 }
264
265                 if (bp->state != BNX2X_STATE_OPEN)
266                         /* store value for following "load" */
267                         bp->pending_max = part;
268                 else
269                         bnx2x_update_max_mf_config(bp, part);
270
271                 return 0;
272         }
273
274         cfg_idx = bnx2x_get_link_cfg_idx(bp);
275         old_multi_phy_config = bp->link_params.multi_phy_config;
276         switch (cmd->port) {
277         case PORT_TP:
278                 if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
279                         break; /* no port change */
280
281                 if (!(bp->port.supported[0] & SUPPORTED_TP ||
282                       bp->port.supported[1] & SUPPORTED_TP)) {
283                         DP(NETIF_MSG_LINK, "Unsupported port type\n");
284                         return -EINVAL;
285                 }
286                 bp->link_params.multi_phy_config &=
287                         ~PORT_HW_CFG_PHY_SELECTION_MASK;
288                 if (bp->link_params.multi_phy_config &
289                     PORT_HW_CFG_PHY_SWAPPED_ENABLED)
290                         bp->link_params.multi_phy_config |=
291                         PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
292                 else
293                         bp->link_params.multi_phy_config |=
294                         PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
295                 break;
296         case PORT_FIBRE:
297                 if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
298                         break; /* no port change */
299
300                 if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
301                       bp->port.supported[1] & SUPPORTED_FIBRE)) {
302                         DP(NETIF_MSG_LINK, "Unsupported port type\n");
303                         return -EINVAL;
304                 }
305                 bp->link_params.multi_phy_config &=
306                         ~PORT_HW_CFG_PHY_SELECTION_MASK;
307                 if (bp->link_params.multi_phy_config &
308                     PORT_HW_CFG_PHY_SWAPPED_ENABLED)
309                         bp->link_params.multi_phy_config |=
310                         PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
311                 else
312                         bp->link_params.multi_phy_config |=
313                         PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
314                 break;
315         default:
316                 DP(NETIF_MSG_LINK, "Unsupported port type\n");
317                 return -EINVAL;
318         }
319         /* Save new config in case command complete successuly */
320         new_multi_phy_config = bp->link_params.multi_phy_config;
321         /* Get the new cfg_idx */
322         cfg_idx = bnx2x_get_link_cfg_idx(bp);
323         /* Restore old config in case command failed */
324         bp->link_params.multi_phy_config = old_multi_phy_config;
325         DP(NETIF_MSG_LINK, "cfg_idx = %x\n", cfg_idx);
326
327         if (cmd->autoneg == AUTONEG_ENABLE) {
328                 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
329                         DP(NETIF_MSG_LINK, "Autoneg not supported\n");
330                         return -EINVAL;
331                 }
332
333                 /* advertise the requested speed and duplex if supported */
334                 cmd->advertising &= bp->port.supported[cfg_idx];
335
336                 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
337                 bp->link_params.req_duplex[cfg_idx] = DUPLEX_FULL;
338                 bp->port.advertising[cfg_idx] |= (ADVERTISED_Autoneg |
339                                          cmd->advertising);
340
341         } else { /* forced speed */
342                 /* advertise the requested speed and duplex if supported */
343                 switch (speed) {
344                 case SPEED_10:
345                         if (cmd->duplex == DUPLEX_FULL) {
346                                 if (!(bp->port.supported[cfg_idx] &
347                                       SUPPORTED_10baseT_Full)) {
348                                         DP(NETIF_MSG_LINK,
349                                            "10M full not supported\n");
350                                         return -EINVAL;
351                                 }
352
353                                 advertising = (ADVERTISED_10baseT_Full |
354                                                ADVERTISED_TP);
355                         } else {
356                                 if (!(bp->port.supported[cfg_idx] &
357                                       SUPPORTED_10baseT_Half)) {
358                                         DP(NETIF_MSG_LINK,
359                                            "10M half not supported\n");
360                                         return -EINVAL;
361                                 }
362
363                                 advertising = (ADVERTISED_10baseT_Half |
364                                                ADVERTISED_TP);
365                         }
366                         break;
367
368                 case SPEED_100:
369                         if (cmd->duplex == DUPLEX_FULL) {
370                                 if (!(bp->port.supported[cfg_idx] &
371                                                 SUPPORTED_100baseT_Full)) {
372                                         DP(NETIF_MSG_LINK,
373                                            "100M full not supported\n");
374                                         return -EINVAL;
375                                 }
376
377                                 advertising = (ADVERTISED_100baseT_Full |
378                                                ADVERTISED_TP);
379                         } else {
380                                 if (!(bp->port.supported[cfg_idx] &
381                                                 SUPPORTED_100baseT_Half)) {
382                                         DP(NETIF_MSG_LINK,
383                                            "100M half not supported\n");
384                                         return -EINVAL;
385                                 }
386
387                                 advertising = (ADVERTISED_100baseT_Half |
388                                                ADVERTISED_TP);
389                         }
390                         break;
391
392                 case SPEED_1000:
393                         if (cmd->duplex != DUPLEX_FULL) {
394                                 DP(NETIF_MSG_LINK, "1G half not supported\n");
395                                 return -EINVAL;
396                         }
397
398                         if (!(bp->port.supported[cfg_idx] &
399                               SUPPORTED_1000baseT_Full)) {
400                                 DP(NETIF_MSG_LINK, "1G full not supported\n");
401                                 return -EINVAL;
402                         }
403
404                         advertising = (ADVERTISED_1000baseT_Full |
405                                        ADVERTISED_TP);
406                         break;
407
408                 case SPEED_2500:
409                         if (cmd->duplex != DUPLEX_FULL) {
410                                 DP(NETIF_MSG_LINK,
411                                    "2.5G half not supported\n");
412                                 return -EINVAL;
413                         }
414
415                         if (!(bp->port.supported[cfg_idx]
416                               & SUPPORTED_2500baseX_Full)) {
417                                 DP(NETIF_MSG_LINK,
418                                    "2.5G full not supported\n");
419                                 return -EINVAL;
420                         }
421
422                         advertising = (ADVERTISED_2500baseX_Full |
423                                        ADVERTISED_TP);
424                         break;
425
426                 case SPEED_10000:
427                         if (cmd->duplex != DUPLEX_FULL) {
428                                 DP(NETIF_MSG_LINK, "10G half not supported\n");
429                                 return -EINVAL;
430                         }
431
432                         if (!(bp->port.supported[cfg_idx]
433                               & SUPPORTED_10000baseT_Full)) {
434                                 DP(NETIF_MSG_LINK, "10G full not supported\n");
435                                 return -EINVAL;
436                         }
437
438                         advertising = (ADVERTISED_10000baseT_Full |
439                                        ADVERTISED_FIBRE);
440                         break;
441
442                 default:
443                         DP(NETIF_MSG_LINK, "Unsupported speed %u\n", speed);
444                         return -EINVAL;
445                 }
446
447                 bp->link_params.req_line_speed[cfg_idx] = speed;
448                 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
449                 bp->port.advertising[cfg_idx] = advertising;
450         }
451
452         DP(NETIF_MSG_LINK, "req_line_speed %d\n"
453            DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
454            bp->link_params.req_line_speed[cfg_idx],
455            bp->link_params.req_duplex[cfg_idx],
456            bp->port.advertising[cfg_idx]);
457
458         /* Set new config */
459         bp->link_params.multi_phy_config = new_multi_phy_config;
460         if (netif_running(dev)) {
461                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
462                 bnx2x_link_set(bp);
463         }
464
465         return 0;
466 }
467
468 #define IS_E1_ONLINE(info)      (((info) & RI_E1_ONLINE) == RI_E1_ONLINE)
469 #define IS_E1H_ONLINE(info)     (((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE)
470 #define IS_E2_ONLINE(info)      (((info) & RI_E2_ONLINE) == RI_E2_ONLINE)
471
472 static int bnx2x_get_regs_len(struct net_device *dev)
473 {
474         struct bnx2x *bp = netdev_priv(dev);
475         int regdump_len = 0;
476         int i, j, k;
477
478         if (CHIP_IS_E1(bp)) {
479                 for (i = 0; i < REGS_COUNT; i++)
480                         if (IS_E1_ONLINE(reg_addrs[i].info))
481                                 regdump_len += reg_addrs[i].size;
482
483                 for (i = 0; i < WREGS_COUNT_E1; i++)
484                         if (IS_E1_ONLINE(wreg_addrs_e1[i].info))
485                                 regdump_len += wreg_addrs_e1[i].size *
486                                         (1 + wreg_addrs_e1[i].read_regs_count);
487
488         } else if (CHIP_IS_E1H(bp)) {
489                 for (i = 0; i < REGS_COUNT; i++)
490                         if (IS_E1H_ONLINE(reg_addrs[i].info))
491                                 regdump_len += reg_addrs[i].size;
492
493                 for (i = 0; i < WREGS_COUNT_E1H; i++)
494                         if (IS_E1H_ONLINE(wreg_addrs_e1h[i].info))
495                                 regdump_len += wreg_addrs_e1h[i].size *
496                                         (1 + wreg_addrs_e1h[i].read_regs_count);
497         } else if (CHIP_IS_E2(bp)) {
498                 for (i = 0; i < REGS_COUNT; i++)
499                         if (IS_E2_ONLINE(reg_addrs[i].info))
500                                 regdump_len += reg_addrs[i].size;
501
502                 for (i = 0; i < WREGS_COUNT_E2; i++)
503                         if (IS_E2_ONLINE(wreg_addrs_e2[i].info))
504                                 regdump_len += wreg_addrs_e2[i].size *
505                                         (1 + wreg_addrs_e2[i].read_regs_count);
506
507                 for (i = 0; i < PAGE_MODE_VALUES_E2; i++)
508                         for (j = 0; j < PAGE_WRITE_REGS_E2; j++) {
509                                 for (k = 0; k < PAGE_READ_REGS_E2; k++)
510                                         if (IS_E2_ONLINE(page_read_regs_e2[k].
511                                                          info))
512                                                 regdump_len +=
513                                                 page_read_regs_e2[k].size;
514                         }
515         }
516         regdump_len *= 4;
517         regdump_len += sizeof(struct dump_hdr);
518
519         return regdump_len;
520 }
521
522 static inline void bnx2x_read_pages_regs_e2(struct bnx2x *bp, u32 *p)
523 {
524         u32 i, j, k, n;
525
526         for (i = 0; i < PAGE_MODE_VALUES_E2; i++) {
527                 for (j = 0; j < PAGE_WRITE_REGS_E2; j++) {
528                         REG_WR(bp, page_write_regs_e2[j], page_vals_e2[i]);
529                         for (k = 0; k < PAGE_READ_REGS_E2; k++)
530                                 if (IS_E2_ONLINE(page_read_regs_e2[k].info))
531                                         for (n = 0; n <
532                                               page_read_regs_e2[k].size; n++)
533                                                 *p++ = REG_RD(bp,
534                                         page_read_regs_e2[k].addr + n*4);
535                 }
536         }
537 }
538
539 static void bnx2x_get_regs(struct net_device *dev,
540                            struct ethtool_regs *regs, void *_p)
541 {
542         u32 *p = _p, i, j;
543         struct bnx2x *bp = netdev_priv(dev);
544         struct dump_hdr dump_hdr = {0};
545
546         regs->version = 0;
547         memset(p, 0, regs->len);
548
549         if (!netif_running(bp->dev))
550                 return;
551
552         /* Disable parity attentions as long as following dump may
553          * cause false alarms by reading never written registers. We
554          * will re-enable parity attentions right after the dump.
555          */
556         bnx2x_disable_blocks_parity(bp);
557
558         dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1;
559         dump_hdr.dump_sign = dump_sign_all;
560         dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR);
561         dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR);
562         dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR);
563         dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR);
564
565         if (CHIP_IS_E1(bp))
566                 dump_hdr.info = RI_E1_ONLINE;
567         else if (CHIP_IS_E1H(bp))
568                 dump_hdr.info = RI_E1H_ONLINE;
569         else if (CHIP_IS_E2(bp))
570                 dump_hdr.info = RI_E2_ONLINE |
571                 (BP_PATH(bp) ? RI_PATH1_DUMP : RI_PATH0_DUMP);
572
573         memcpy(p, &dump_hdr, sizeof(struct dump_hdr));
574         p += dump_hdr.hdr_size + 1;
575
576         if (CHIP_IS_E1(bp)) {
577                 for (i = 0; i < REGS_COUNT; i++)
578                         if (IS_E1_ONLINE(reg_addrs[i].info))
579                                 for (j = 0; j < reg_addrs[i].size; j++)
580                                         *p++ = REG_RD(bp,
581                                                       reg_addrs[i].addr + j*4);
582
583         } else if (CHIP_IS_E1H(bp)) {
584                 for (i = 0; i < REGS_COUNT; i++)
585                         if (IS_E1H_ONLINE(reg_addrs[i].info))
586                                 for (j = 0; j < reg_addrs[i].size; j++)
587                                         *p++ = REG_RD(bp,
588                                                       reg_addrs[i].addr + j*4);
589
590         } else if (CHIP_IS_E2(bp)) {
591                 for (i = 0; i < REGS_COUNT; i++)
592                         if (IS_E2_ONLINE(reg_addrs[i].info))
593                                 for (j = 0; j < reg_addrs[i].size; j++)
594                                         *p++ = REG_RD(bp,
595                                               reg_addrs[i].addr + j*4);
596
597                 bnx2x_read_pages_regs_e2(bp, p);
598         }
599         /* Re-enable parity attentions */
600         bnx2x_clear_blocks_parity(bp);
601         if (CHIP_PARITY_ENABLED(bp))
602                 bnx2x_enable_blocks_parity(bp);
603 }
604
605 #define PHY_FW_VER_LEN                  20
606
607 static void bnx2x_get_drvinfo(struct net_device *dev,
608                               struct ethtool_drvinfo *info)
609 {
610         struct bnx2x *bp = netdev_priv(dev);
611         u8 phy_fw_ver[PHY_FW_VER_LEN];
612
613         strcpy(info->driver, DRV_MODULE_NAME);
614         strcpy(info->version, DRV_MODULE_VERSION);
615
616         phy_fw_ver[0] = '\0';
617         if (bp->port.pmf) {
618                 bnx2x_acquire_phy_lock(bp);
619                 bnx2x_get_ext_phy_fw_version(&bp->link_params,
620                                              (bp->state != BNX2X_STATE_CLOSED),
621                                              phy_fw_ver, PHY_FW_VER_LEN);
622                 bnx2x_release_phy_lock(bp);
623         }
624
625         strncpy(info->fw_version, bp->fw_ver, 32);
626         snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
627                  "bc %d.%d.%d%s%s",
628                  (bp->common.bc_ver & 0xff0000) >> 16,
629                  (bp->common.bc_ver & 0xff00) >> 8,
630                  (bp->common.bc_ver & 0xff),
631                  ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver);
632         strcpy(info->bus_info, pci_name(bp->pdev));
633         info->n_stats = BNX2X_NUM_STATS;
634         info->testinfo_len = BNX2X_NUM_TESTS;
635         info->eedump_len = bp->common.flash_size;
636         info->regdump_len = bnx2x_get_regs_len(dev);
637 }
638
639 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
640 {
641         struct bnx2x *bp = netdev_priv(dev);
642
643         if (bp->flags & NO_WOL_FLAG) {
644                 wol->supported = 0;
645                 wol->wolopts = 0;
646         } else {
647                 wol->supported = WAKE_MAGIC;
648                 if (bp->wol)
649                         wol->wolopts = WAKE_MAGIC;
650                 else
651                         wol->wolopts = 0;
652         }
653         memset(&wol->sopass, 0, sizeof(wol->sopass));
654 }
655
656 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
657 {
658         struct bnx2x *bp = netdev_priv(dev);
659
660         if (wol->wolopts & ~WAKE_MAGIC)
661                 return -EINVAL;
662
663         if (wol->wolopts & WAKE_MAGIC) {
664                 if (bp->flags & NO_WOL_FLAG)
665                         return -EINVAL;
666
667                 bp->wol = 1;
668         } else
669                 bp->wol = 0;
670
671         return 0;
672 }
673
674 static u32 bnx2x_get_msglevel(struct net_device *dev)
675 {
676         struct bnx2x *bp = netdev_priv(dev);
677
678         return bp->msg_enable;
679 }
680
681 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
682 {
683         struct bnx2x *bp = netdev_priv(dev);
684
685         if (capable(CAP_NET_ADMIN))
686                 bp->msg_enable = level;
687 }
688
689 static int bnx2x_nway_reset(struct net_device *dev)
690 {
691         struct bnx2x *bp = netdev_priv(dev);
692
693         if (!bp->port.pmf)
694                 return 0;
695
696         if (netif_running(dev)) {
697                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
698                 bnx2x_link_set(bp);
699         }
700
701         return 0;
702 }
703
704 static u32 bnx2x_get_link(struct net_device *dev)
705 {
706         struct bnx2x *bp = netdev_priv(dev);
707
708         if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
709                 return 0;
710
711         return bp->link_vars.link_up;
712 }
713
714 static int bnx2x_get_eeprom_len(struct net_device *dev)
715 {
716         struct bnx2x *bp = netdev_priv(dev);
717
718         return bp->common.flash_size;
719 }
720
721 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
722 {
723         int port = BP_PORT(bp);
724         int count, i;
725         u32 val = 0;
726
727         /* adjust timeout for emulation/FPGA */
728         count = NVRAM_TIMEOUT_COUNT;
729         if (CHIP_REV_IS_SLOW(bp))
730                 count *= 100;
731
732         /* request access to nvram interface */
733         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
734                (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
735
736         for (i = 0; i < count*10; i++) {
737                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
738                 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
739                         break;
740
741                 udelay(5);
742         }
743
744         if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
745                 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
746                 return -EBUSY;
747         }
748
749         return 0;
750 }
751
752 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
753 {
754         int port = BP_PORT(bp);
755         int count, i;
756         u32 val = 0;
757
758         /* adjust timeout for emulation/FPGA */
759         count = NVRAM_TIMEOUT_COUNT;
760         if (CHIP_REV_IS_SLOW(bp))
761                 count *= 100;
762
763         /* relinquish nvram interface */
764         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
765                (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
766
767         for (i = 0; i < count*10; i++) {
768                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
769                 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
770                         break;
771
772                 udelay(5);
773         }
774
775         if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
776                 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
777                 return -EBUSY;
778         }
779
780         return 0;
781 }
782
783 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
784 {
785         u32 val;
786
787         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
788
789         /* enable both bits, even on read */
790         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
791                (val | MCPR_NVM_ACCESS_ENABLE_EN |
792                       MCPR_NVM_ACCESS_ENABLE_WR_EN));
793 }
794
795 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
796 {
797         u32 val;
798
799         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
800
801         /* disable both bits, even after read */
802         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
803                (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
804                         MCPR_NVM_ACCESS_ENABLE_WR_EN)));
805 }
806
807 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
808                                   u32 cmd_flags)
809 {
810         int count, i, rc;
811         u32 val;
812
813         /* build the command word */
814         cmd_flags |= MCPR_NVM_COMMAND_DOIT;
815
816         /* need to clear DONE bit separately */
817         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
818
819         /* address of the NVRAM to read from */
820         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
821                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
822
823         /* issue a read command */
824         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
825
826         /* adjust timeout for emulation/FPGA */
827         count = NVRAM_TIMEOUT_COUNT;
828         if (CHIP_REV_IS_SLOW(bp))
829                 count *= 100;
830
831         /* wait for completion */
832         *ret_val = 0;
833         rc = -EBUSY;
834         for (i = 0; i < count; i++) {
835                 udelay(5);
836                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
837
838                 if (val & MCPR_NVM_COMMAND_DONE) {
839                         val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
840                         /* we read nvram data in cpu order
841                          * but ethtool sees it as an array of bytes
842                          * converting to big-endian will do the work */
843                         *ret_val = cpu_to_be32(val);
844                         rc = 0;
845                         break;
846                 }
847         }
848
849         return rc;
850 }
851
852 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
853                             int buf_size)
854 {
855         int rc;
856         u32 cmd_flags;
857         __be32 val;
858
859         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
860                 DP(BNX2X_MSG_NVM,
861                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
862                    offset, buf_size);
863                 return -EINVAL;
864         }
865
866         if (offset + buf_size > bp->common.flash_size) {
867                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
868                                   " buf_size (0x%x) > flash_size (0x%x)\n",
869                    offset, buf_size, bp->common.flash_size);
870                 return -EINVAL;
871         }
872
873         /* request access to nvram interface */
874         rc = bnx2x_acquire_nvram_lock(bp);
875         if (rc)
876                 return rc;
877
878         /* enable access to nvram interface */
879         bnx2x_enable_nvram_access(bp);
880
881         /* read the first word(s) */
882         cmd_flags = MCPR_NVM_COMMAND_FIRST;
883         while ((buf_size > sizeof(u32)) && (rc == 0)) {
884                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
885                 memcpy(ret_buf, &val, 4);
886
887                 /* advance to the next dword */
888                 offset += sizeof(u32);
889                 ret_buf += sizeof(u32);
890                 buf_size -= sizeof(u32);
891                 cmd_flags = 0;
892         }
893
894         if (rc == 0) {
895                 cmd_flags |= MCPR_NVM_COMMAND_LAST;
896                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
897                 memcpy(ret_buf, &val, 4);
898         }
899
900         /* disable access to nvram interface */
901         bnx2x_disable_nvram_access(bp);
902         bnx2x_release_nvram_lock(bp);
903
904         return rc;
905 }
906
907 static int bnx2x_get_eeprom(struct net_device *dev,
908                             struct ethtool_eeprom *eeprom, u8 *eebuf)
909 {
910         struct bnx2x *bp = netdev_priv(dev);
911         int rc;
912
913         if (!netif_running(dev))
914                 return -EAGAIN;
915
916         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
917            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
918            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
919            eeprom->len, eeprom->len);
920
921         /* parameters already validated in ethtool_get_eeprom */
922
923         rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
924
925         return rc;
926 }
927
928 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
929                                    u32 cmd_flags)
930 {
931         int count, i, rc;
932
933         /* build the command word */
934         cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
935
936         /* need to clear DONE bit separately */
937         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
938
939         /* write the data */
940         REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
941
942         /* address of the NVRAM to write to */
943         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
944                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
945
946         /* issue the write command */
947         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
948
949         /* adjust timeout for emulation/FPGA */
950         count = NVRAM_TIMEOUT_COUNT;
951         if (CHIP_REV_IS_SLOW(bp))
952                 count *= 100;
953
954         /* wait for completion */
955         rc = -EBUSY;
956         for (i = 0; i < count; i++) {
957                 udelay(5);
958                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
959                 if (val & MCPR_NVM_COMMAND_DONE) {
960                         rc = 0;
961                         break;
962                 }
963         }
964
965         return rc;
966 }
967
968 #define BYTE_OFFSET(offset)             (8 * (offset & 0x03))
969
970 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
971                               int buf_size)
972 {
973         int rc;
974         u32 cmd_flags;
975         u32 align_offset;
976         __be32 val;
977
978         if (offset + buf_size > bp->common.flash_size) {
979                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
980                                   " buf_size (0x%x) > flash_size (0x%x)\n",
981                    offset, buf_size, bp->common.flash_size);
982                 return -EINVAL;
983         }
984
985         /* request access to nvram interface */
986         rc = bnx2x_acquire_nvram_lock(bp);
987         if (rc)
988                 return rc;
989
990         /* enable access to nvram interface */
991         bnx2x_enable_nvram_access(bp);
992
993         cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
994         align_offset = (offset & ~0x03);
995         rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
996
997         if (rc == 0) {
998                 val &= ~(0xff << BYTE_OFFSET(offset));
999                 val |= (*data_buf << BYTE_OFFSET(offset));
1000
1001                 /* nvram data is returned as an array of bytes
1002                  * convert it back to cpu order */
1003                 val = be32_to_cpu(val);
1004
1005                 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1006                                              cmd_flags);
1007         }
1008
1009         /* disable access to nvram interface */
1010         bnx2x_disable_nvram_access(bp);
1011         bnx2x_release_nvram_lock(bp);
1012
1013         return rc;
1014 }
1015
1016 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1017                              int buf_size)
1018 {
1019         int rc;
1020         u32 cmd_flags;
1021         u32 val;
1022         u32 written_so_far;
1023
1024         if (buf_size == 1)      /* ethtool */
1025                 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1026
1027         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1028                 DP(BNX2X_MSG_NVM,
1029                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1030                    offset, buf_size);
1031                 return -EINVAL;
1032         }
1033
1034         if (offset + buf_size > bp->common.flash_size) {
1035                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
1036                                   " buf_size (0x%x) > flash_size (0x%x)\n",
1037                    offset, buf_size, bp->common.flash_size);
1038                 return -EINVAL;
1039         }
1040
1041         /* request access to nvram interface */
1042         rc = bnx2x_acquire_nvram_lock(bp);
1043         if (rc)
1044                 return rc;
1045
1046         /* enable access to nvram interface */
1047         bnx2x_enable_nvram_access(bp);
1048
1049         written_so_far = 0;
1050         cmd_flags = MCPR_NVM_COMMAND_FIRST;
1051         while ((written_so_far < buf_size) && (rc == 0)) {
1052                 if (written_so_far == (buf_size - sizeof(u32)))
1053                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
1054                 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
1055                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
1056                 else if ((offset % NVRAM_PAGE_SIZE) == 0)
1057                         cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1058
1059                 memcpy(&val, data_buf, 4);
1060
1061                 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1062
1063                 /* advance to the next dword */
1064                 offset += sizeof(u32);
1065                 data_buf += sizeof(u32);
1066                 written_so_far += sizeof(u32);
1067                 cmd_flags = 0;
1068         }
1069
1070         /* disable access to nvram interface */
1071         bnx2x_disable_nvram_access(bp);
1072         bnx2x_release_nvram_lock(bp);
1073
1074         return rc;
1075 }
1076
1077 static int bnx2x_set_eeprom(struct net_device *dev,
1078                             struct ethtool_eeprom *eeprom, u8 *eebuf)
1079 {
1080         struct bnx2x *bp = netdev_priv(dev);
1081         int port = BP_PORT(bp);
1082         int rc = 0;
1083         u32 ext_phy_config;
1084         if (!netif_running(dev))
1085                 return -EAGAIN;
1086
1087         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1088            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1089            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1090            eeprom->len, eeprom->len);
1091
1092         /* parameters already validated in ethtool_set_eeprom */
1093
1094         /* PHY eeprom can be accessed only by the PMF */
1095         if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1096             !bp->port.pmf)
1097                 return -EINVAL;
1098
1099         ext_phy_config =
1100                 SHMEM_RD(bp,
1101                          dev_info.port_hw_config[port].external_phy_config);
1102
1103         if (eeprom->magic == 0x50485950) {
1104                 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1105                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1106
1107                 bnx2x_acquire_phy_lock(bp);
1108                 rc |= bnx2x_link_reset(&bp->link_params,
1109                                        &bp->link_vars, 0);
1110                 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1111                                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1112                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1113                                        MISC_REGISTERS_GPIO_HIGH, port);
1114                 bnx2x_release_phy_lock(bp);
1115                 bnx2x_link_report(bp);
1116
1117         } else if (eeprom->magic == 0x50485952) {
1118                 /* 'PHYR' (0x50485952): re-init link after FW upgrade */
1119                 if (bp->state == BNX2X_STATE_OPEN) {
1120                         bnx2x_acquire_phy_lock(bp);
1121                         rc |= bnx2x_link_reset(&bp->link_params,
1122                                                &bp->link_vars, 1);
1123
1124                         rc |= bnx2x_phy_init(&bp->link_params,
1125                                              &bp->link_vars);
1126                         bnx2x_release_phy_lock(bp);
1127                         bnx2x_calc_fc_adv(bp);
1128                 }
1129         } else if (eeprom->magic == 0x53985943) {
1130                 /* 'PHYC' (0x53985943): PHY FW upgrade completed */
1131                 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1132                                        PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1133
1134                         /* DSP Remove Download Mode */
1135                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1136                                        MISC_REGISTERS_GPIO_LOW, port);
1137
1138                         bnx2x_acquire_phy_lock(bp);
1139
1140                         bnx2x_sfx7101_sp_sw_reset(bp,
1141                                                 &bp->link_params.phy[EXT_PHY1]);
1142
1143                         /* wait 0.5 sec to allow it to run */
1144                         msleep(500);
1145                         bnx2x_ext_phy_hw_reset(bp, port);
1146                         msleep(500);
1147                         bnx2x_release_phy_lock(bp);
1148                 }
1149         } else
1150                 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1151
1152         return rc;
1153 }
1154
1155 static int bnx2x_get_coalesce(struct net_device *dev,
1156                               struct ethtool_coalesce *coal)
1157 {
1158         struct bnx2x *bp = netdev_priv(dev);
1159
1160         memset(coal, 0, sizeof(struct ethtool_coalesce));
1161
1162         coal->rx_coalesce_usecs = bp->rx_ticks;
1163         coal->tx_coalesce_usecs = bp->tx_ticks;
1164
1165         return 0;
1166 }
1167
1168 static int bnx2x_set_coalesce(struct net_device *dev,
1169                               struct ethtool_coalesce *coal)
1170 {
1171         struct bnx2x *bp = netdev_priv(dev);
1172
1173         bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1174         if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1175                 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1176
1177         bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1178         if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1179                 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1180
1181         if (netif_running(dev))
1182                 bnx2x_update_coalesce(bp);
1183
1184         return 0;
1185 }
1186
1187 static void bnx2x_get_ringparam(struct net_device *dev,
1188                                 struct ethtool_ringparam *ering)
1189 {
1190         struct bnx2x *bp = netdev_priv(dev);
1191
1192         ering->rx_max_pending = MAX_RX_AVAIL;
1193         ering->rx_mini_max_pending = 0;
1194         ering->rx_jumbo_max_pending = 0;
1195
1196         if (bp->rx_ring_size)
1197                 ering->rx_pending = bp->rx_ring_size;
1198         else
1199                 if (bp->state == BNX2X_STATE_OPEN && bp->num_queues)
1200                         ering->rx_pending = MAX_RX_AVAIL/bp->num_queues;
1201                 else
1202                         ering->rx_pending = MAX_RX_AVAIL;
1203
1204         ering->rx_mini_pending = 0;
1205         ering->rx_jumbo_pending = 0;
1206
1207         ering->tx_max_pending = MAX_TX_AVAIL;
1208         ering->tx_pending = bp->tx_ring_size;
1209 }
1210
1211 static int bnx2x_set_ringparam(struct net_device *dev,
1212                                struct ethtool_ringparam *ering)
1213 {
1214         struct bnx2x *bp = netdev_priv(dev);
1215         int rc = 0;
1216
1217         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1218                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
1219                 return -EAGAIN;
1220         }
1221
1222         if ((ering->rx_pending > MAX_RX_AVAIL) ||
1223             (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1224                                                     MIN_RX_SIZE_TPA)) ||
1225             (ering->tx_pending > MAX_TX_AVAIL) ||
1226             (ering->tx_pending <= MAX_SKB_FRAGS + 4))
1227                 return -EINVAL;
1228
1229         bp->rx_ring_size = ering->rx_pending;
1230         bp->tx_ring_size = ering->tx_pending;
1231
1232         if (netif_running(dev)) {
1233                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1234                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
1235         }
1236
1237         return rc;
1238 }
1239
1240 static void bnx2x_get_pauseparam(struct net_device *dev,
1241                                  struct ethtool_pauseparam *epause)
1242 {
1243         struct bnx2x *bp = netdev_priv(dev);
1244         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1245         epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1246                            BNX2X_FLOW_CTRL_AUTO);
1247
1248         epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
1249                             BNX2X_FLOW_CTRL_RX);
1250         epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
1251                             BNX2X_FLOW_CTRL_TX);
1252
1253         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1254            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
1255            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1256 }
1257
1258 static int bnx2x_set_pauseparam(struct net_device *dev,
1259                                 struct ethtool_pauseparam *epause)
1260 {
1261         struct bnx2x *bp = netdev_priv(dev);
1262         u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1263         if (IS_MF(bp))
1264                 return 0;
1265
1266         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1267            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
1268            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1269
1270         bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1271
1272         if (epause->rx_pause)
1273                 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1274
1275         if (epause->tx_pause)
1276                 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1277
1278         if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
1279                 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1280
1281         if (epause->autoneg) {
1282                 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1283                         DP(NETIF_MSG_LINK, "autoneg not supported\n");
1284                         return -EINVAL;
1285                 }
1286
1287                 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
1288                         bp->link_params.req_flow_ctrl[cfg_idx] =
1289                                 BNX2X_FLOW_CTRL_AUTO;
1290                 }
1291         }
1292
1293         DP(NETIF_MSG_LINK,
1294            "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
1295
1296         if (netif_running(dev)) {
1297                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1298                 bnx2x_link_set(bp);
1299         }
1300
1301         return 0;
1302 }
1303
1304 static const struct {
1305         char string[ETH_GSTRING_LEN];
1306 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
1307         { "register_test (offline)" },
1308         { "memory_test (offline)" },
1309         { "loopback_test (offline)" },
1310         { "nvram_test (online)" },
1311         { "interrupt_test (online)" },
1312         { "link_test (online)" },
1313         { "idle check (online)" }
1314 };
1315
1316 static int bnx2x_test_registers(struct bnx2x *bp)
1317 {
1318         int idx, i, rc = -ENODEV;
1319         u32 wr_val = 0;
1320         int port = BP_PORT(bp);
1321         static const struct {
1322                 u32 offset0;
1323                 u32 offset1;
1324                 u32 mask;
1325         } reg_tbl[] = {
1326 /* 0 */         { BRB1_REG_PAUSE_LOW_THRESHOLD_0,      4, 0x000003ff },
1327                 { DORQ_REG_DB_ADDR0,                   4, 0xffffffff },
1328                 { HC_REG_AGG_INT_0,                    4, 0x000003ff },
1329                 { PBF_REG_MAC_IF0_ENABLE,              4, 0x00000001 },
1330                 { PBF_REG_P0_INIT_CRD,                 4, 0x000007ff },
1331                 { PRS_REG_CID_PORT_0,                  4, 0x00ffffff },
1332                 { PXP2_REG_PSWRQ_CDU0_L2P,             4, 0x000fffff },
1333                 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR,    8, 0x0003ffff },
1334                 { PXP2_REG_PSWRQ_TM0_L2P,              4, 0x000fffff },
1335                 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR,   8, 0x0003ffff },
1336 /* 10 */        { PXP2_REG_PSWRQ_TSDM0_L2P,            4, 0x000fffff },
1337                 { QM_REG_CONNNUM_0,                    4, 0x000fffff },
1338                 { TM_REG_LIN0_MAX_ACTIVE_CID,          4, 0x0003ffff },
1339                 { SRC_REG_KEYRSS0_0,                  40, 0xffffffff },
1340                 { SRC_REG_KEYRSS0_7,                  40, 0xffffffff },
1341                 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
1342                 { XCM_REG_WU_DA_CNT_CMD00,             4, 0x00000003 },
1343                 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0,       4, 0x000000ff },
1344                 { NIG_REG_LLH0_T_BIT,                  4, 0x00000001 },
1345                 { NIG_REG_EMAC0_IN_EN,                 4, 0x00000001 },
1346 /* 20 */        { NIG_REG_BMAC0_IN_EN,                 4, 0x00000001 },
1347                 { NIG_REG_XCM0_OUT_EN,                 4, 0x00000001 },
1348                 { NIG_REG_BRB0_OUT_EN,                 4, 0x00000001 },
1349                 { NIG_REG_LLH0_XCM_MASK,               4, 0x00000007 },
1350                 { NIG_REG_LLH0_ACPI_PAT_6_LEN,        68, 0x000000ff },
1351                 { NIG_REG_LLH0_ACPI_PAT_0_CRC,        68, 0xffffffff },
1352                 { NIG_REG_LLH0_DEST_MAC_0_0,         160, 0xffffffff },
1353                 { NIG_REG_LLH0_DEST_IP_0_1,          160, 0xffffffff },
1354                 { NIG_REG_LLH0_IPV4_IPV6_0,          160, 0x00000001 },
1355                 { NIG_REG_LLH0_DEST_UDP_0,           160, 0x0000ffff },
1356 /* 30 */        { NIG_REG_LLH0_DEST_TCP_0,           160, 0x0000ffff },
1357                 { NIG_REG_LLH0_VLAN_ID_0,            160, 0x00000fff },
1358                 { NIG_REG_XGXS_SERDES0_MODE_SEL,       4, 0x00000001 },
1359                 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
1360                 { NIG_REG_STATUS_INTERRUPT_PORT0,      4, 0x07ffffff },
1361                 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
1362                 { NIG_REG_SERDES0_CTRL_PHY_ADDR,      16, 0x0000001f },
1363
1364                 { 0xffffffff, 0, 0x00000000 }
1365         };
1366
1367         if (!netif_running(bp->dev))
1368                 return rc;
1369
1370         /* Repeat the test twice:
1371            First by writing 0x00000000, second by writing 0xffffffff */
1372         for (idx = 0; idx < 2; idx++) {
1373
1374                 switch (idx) {
1375                 case 0:
1376                         wr_val = 0;
1377                         break;
1378                 case 1:
1379                         wr_val = 0xffffffff;
1380                         break;
1381                 }
1382
1383                 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
1384                         u32 offset, mask, save_val, val;
1385                         if (CHIP_IS_E2(bp) &&
1386                             reg_tbl[i].offset0 == HC_REG_AGG_INT_0)
1387                                 continue;
1388
1389                         offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
1390                         mask = reg_tbl[i].mask;
1391
1392                         save_val = REG_RD(bp, offset);
1393
1394                         REG_WR(bp, offset, wr_val & mask);
1395
1396                         val = REG_RD(bp, offset);
1397
1398                         /* Restore the original register's value */
1399                         REG_WR(bp, offset, save_val);
1400
1401                         /* verify value is as expected */
1402                         if ((val & mask) != (wr_val & mask)) {
1403                                 DP(NETIF_MSG_PROBE,
1404                                    "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
1405                                    offset, val, wr_val, mask);
1406                                 goto test_reg_exit;
1407                         }
1408                 }
1409         }
1410
1411         rc = 0;
1412
1413 test_reg_exit:
1414         return rc;
1415 }
1416
1417 static int bnx2x_test_memory(struct bnx2x *bp)
1418 {
1419         int i, j, rc = -ENODEV;
1420         u32 val;
1421         static const struct {
1422                 u32 offset;
1423                 int size;
1424         } mem_tbl[] = {
1425                 { CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
1426                 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
1427                 { CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
1428                 { DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
1429                 { TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
1430                 { UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
1431                 { XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
1432
1433                 { 0xffffffff, 0 }
1434         };
1435         static const struct {
1436                 char *name;
1437                 u32 offset;
1438                 u32 e1_mask;
1439                 u32 e1h_mask;
1440                 u32 e2_mask;
1441         } prty_tbl[] = {
1442                 { "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,   0x3ffc0, 0,   0 },
1443                 { "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,   0x2,     0x2, 0 },
1444                 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0,       0,   0 },
1445                 { "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,   0x3ffc0, 0,   0 },
1446                 { "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,   0x3ffc0, 0,   0 },
1447                 { "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,   0x3ffc1, 0,   0 },
1448
1449                 { NULL, 0xffffffff, 0, 0, 0 }
1450         };
1451
1452         if (!netif_running(bp->dev))
1453                 return rc;
1454
1455         /* pre-Check the parity status */
1456         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1457                 val = REG_RD(bp, prty_tbl[i].offset);
1458                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
1459                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask))) ||
1460                     (CHIP_IS_E2(bp) && (val & ~(prty_tbl[i].e2_mask)))) {
1461                         DP(NETIF_MSG_HW,
1462                            "%s is 0x%x\n", prty_tbl[i].name, val);
1463                         goto test_mem_exit;
1464                 }
1465         }
1466
1467         /* Go through all the memories */
1468         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
1469                 for (j = 0; j < mem_tbl[i].size; j++)
1470                         REG_RD(bp, mem_tbl[i].offset + j*4);
1471
1472         /* Check the parity status */
1473         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1474                 val = REG_RD(bp, prty_tbl[i].offset);
1475                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
1476                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask))) ||
1477                     (CHIP_IS_E2(bp) && (val & ~(prty_tbl[i].e2_mask)))) {
1478                         DP(NETIF_MSG_HW,
1479                            "%s is 0x%x\n", prty_tbl[i].name, val);
1480                         goto test_mem_exit;
1481                 }
1482         }
1483
1484         rc = 0;
1485
1486 test_mem_exit:
1487         return rc;
1488 }
1489
1490 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
1491 {
1492         int cnt = 1400;
1493
1494         if (link_up)
1495                 while (bnx2x_link_test(bp, is_serdes) && cnt--)
1496                         msleep(10);
1497 }
1498
1499 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
1500 {
1501         unsigned int pkt_size, num_pkts, i;
1502         struct sk_buff *skb;
1503         unsigned char *packet;
1504         struct bnx2x_fastpath *fp_rx = &bp->fp[0];
1505         struct bnx2x_fastpath *fp_tx = &bp->fp[0];
1506         u16 tx_start_idx, tx_idx;
1507         u16 rx_start_idx, rx_idx;
1508         u16 pkt_prod, bd_prod;
1509         struct sw_tx_bd *tx_buf;
1510         struct eth_tx_start_bd *tx_start_bd;
1511         struct eth_tx_parse_bd_e1x  *pbd_e1x = NULL;
1512         struct eth_tx_parse_bd_e2  *pbd_e2 = NULL;
1513         dma_addr_t mapping;
1514         union eth_rx_cqe *cqe;
1515         u8 cqe_fp_flags;
1516         struct sw_rx_bd *rx_buf;
1517         u16 len;
1518         int rc = -ENODEV;
1519
1520         /* check the loopback mode */
1521         switch (loopback_mode) {
1522         case BNX2X_PHY_LOOPBACK:
1523                 if (bp->link_params.loopback_mode != LOOPBACK_XGXS)
1524                         return -EINVAL;
1525                 break;
1526         case BNX2X_MAC_LOOPBACK:
1527                 bp->link_params.loopback_mode = LOOPBACK_BMAC;
1528                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1529                 break;
1530         default:
1531                 return -EINVAL;
1532         }
1533
1534         /* prepare the loopback packet */
1535         pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
1536                      bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
1537         skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
1538         if (!skb) {
1539                 rc = -ENOMEM;
1540                 goto test_loopback_exit;
1541         }
1542         packet = skb_put(skb, pkt_size);
1543         memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
1544         memset(packet + ETH_ALEN, 0, ETH_ALEN);
1545         memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
1546         for (i = ETH_HLEN; i < pkt_size; i++)
1547                 packet[i] = (unsigned char) (i & 0xff);
1548
1549         /* send the loopback packet */
1550         num_pkts = 0;
1551         tx_start_idx = le16_to_cpu(*fp_tx->tx_cons_sb);
1552         rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1553
1554         pkt_prod = fp_tx->tx_pkt_prod++;
1555         tx_buf = &fp_tx->tx_buf_ring[TX_BD(pkt_prod)];
1556         tx_buf->first_bd = fp_tx->tx_bd_prod;
1557         tx_buf->skb = skb;
1558         tx_buf->flags = 0;
1559
1560         bd_prod = TX_BD(fp_tx->tx_bd_prod);
1561         tx_start_bd = &fp_tx->tx_desc_ring[bd_prod].start_bd;
1562         mapping = dma_map_single(&bp->pdev->dev, skb->data,
1563                                  skb_headlen(skb), DMA_TO_DEVICE);
1564         tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1565         tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1566         tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
1567         tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
1568         tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
1569         tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
1570         SET_FLAG(tx_start_bd->general_data,
1571                  ETH_TX_START_BD_ETH_ADDR_TYPE,
1572                  UNICAST_ADDRESS);
1573         SET_FLAG(tx_start_bd->general_data,
1574                  ETH_TX_START_BD_HDR_NBDS,
1575                  1);
1576
1577         /* turn on parsing and get a BD */
1578         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
1579
1580         pbd_e1x = &fp_tx->tx_desc_ring[bd_prod].parse_bd_e1x;
1581         pbd_e2 = &fp_tx->tx_desc_ring[bd_prod].parse_bd_e2;
1582
1583         memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
1584         memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
1585
1586         wmb();
1587
1588         fp_tx->tx_db.data.prod += 2;
1589         barrier();
1590         DOORBELL(bp, fp_tx->index, fp_tx->tx_db.raw);
1591
1592         mmiowb();
1593
1594         num_pkts++;
1595         fp_tx->tx_bd_prod += 2; /* start + pbd */
1596
1597         udelay(100);
1598
1599         tx_idx = le16_to_cpu(*fp_tx->tx_cons_sb);
1600         if (tx_idx != tx_start_idx + num_pkts)
1601                 goto test_loopback_exit;
1602
1603         /* Unlike HC IGU won't generate an interrupt for status block
1604          * updates that have been performed while interrupts were
1605          * disabled.
1606          */
1607         if (bp->common.int_block == INT_BLOCK_IGU) {
1608                 /* Disable local BHes to prevent a dead-lock situation between
1609                  * sch_direct_xmit() and bnx2x_run_loopback() (calling
1610                  * bnx2x_tx_int()), as both are taking netif_tx_lock().
1611                  */
1612                 local_bh_disable();
1613                 bnx2x_tx_int(fp_tx);
1614                 local_bh_enable();
1615         }
1616
1617         rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1618         if (rx_idx != rx_start_idx + num_pkts)
1619                 goto test_loopback_exit;
1620
1621         cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
1622         cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1623         if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
1624                 goto test_loopback_rx_exit;
1625
1626         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1627         if (len != pkt_size)
1628                 goto test_loopback_rx_exit;
1629
1630         rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
1631         skb = rx_buf->skb;
1632         skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
1633         for (i = ETH_HLEN; i < pkt_size; i++)
1634                 if (*(skb->data + i) != (unsigned char) (i & 0xff))
1635                         goto test_loopback_rx_exit;
1636
1637         rc = 0;
1638
1639 test_loopback_rx_exit:
1640
1641         fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
1642         fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
1643         fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
1644         fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
1645
1646         /* Update producers */
1647         bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
1648                              fp_rx->rx_sge_prod);
1649
1650 test_loopback_exit:
1651         bp->link_params.loopback_mode = LOOPBACK_NONE;
1652
1653         return rc;
1654 }
1655
1656 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
1657 {
1658         int rc = 0, res;
1659
1660         if (BP_NOMCP(bp))
1661                 return rc;
1662
1663         if (!netif_running(bp->dev))
1664                 return BNX2X_LOOPBACK_FAILED;
1665
1666         bnx2x_netif_stop(bp, 1);
1667         bnx2x_acquire_phy_lock(bp);
1668
1669         res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up);
1670         if (res) {
1671                 DP(NETIF_MSG_PROBE, "  PHY loopback failed  (res %d)\n", res);
1672                 rc |= BNX2X_PHY_LOOPBACK_FAILED;
1673         }
1674
1675         res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up);
1676         if (res) {
1677                 DP(NETIF_MSG_PROBE, "  MAC loopback failed  (res %d)\n", res);
1678                 rc |= BNX2X_MAC_LOOPBACK_FAILED;
1679         }
1680
1681         bnx2x_release_phy_lock(bp);
1682         bnx2x_netif_start(bp);
1683
1684         return rc;
1685 }
1686
1687 #define CRC32_RESIDUAL                  0xdebb20e3
1688
1689 static int bnx2x_test_nvram(struct bnx2x *bp)
1690 {
1691         static const struct {
1692                 int offset;
1693                 int size;
1694         } nvram_tbl[] = {
1695                 {     0,  0x14 }, /* bootstrap */
1696                 {  0x14,  0xec }, /* dir */
1697                 { 0x100, 0x350 }, /* manuf_info */
1698                 { 0x450,  0xf0 }, /* feature_info */
1699                 { 0x640,  0x64 }, /* upgrade_key_info */
1700                 { 0x708,  0x70 }, /* manuf_key_info */
1701                 {     0,     0 }
1702         };
1703         __be32 buf[0x350 / 4];
1704         u8 *data = (u8 *)buf;
1705         int i, rc;
1706         u32 magic, crc;
1707
1708         if (BP_NOMCP(bp))
1709                 return 0;
1710
1711         rc = bnx2x_nvram_read(bp, 0, data, 4);
1712         if (rc) {
1713                 DP(NETIF_MSG_PROBE, "magic value read (rc %d)\n", rc);
1714                 goto test_nvram_exit;
1715         }
1716
1717         magic = be32_to_cpu(buf[0]);
1718         if (magic != 0x669955aa) {
1719                 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
1720                 rc = -ENODEV;
1721                 goto test_nvram_exit;
1722         }
1723
1724         for (i = 0; nvram_tbl[i].size; i++) {
1725
1726                 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
1727                                       nvram_tbl[i].size);
1728                 if (rc) {
1729                         DP(NETIF_MSG_PROBE,
1730                            "nvram_tbl[%d] read data (rc %d)\n", i, rc);
1731                         goto test_nvram_exit;
1732                 }
1733
1734                 crc = ether_crc_le(nvram_tbl[i].size, data);
1735                 if (crc != CRC32_RESIDUAL) {
1736                         DP(NETIF_MSG_PROBE,
1737                            "nvram_tbl[%d] crc value (0x%08x)\n", i, crc);
1738                         rc = -ENODEV;
1739                         goto test_nvram_exit;
1740                 }
1741         }
1742
1743 test_nvram_exit:
1744         return rc;
1745 }
1746
1747 static int bnx2x_test_intr(struct bnx2x *bp)
1748 {
1749         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
1750         int i, rc;
1751
1752         if (!netif_running(bp->dev))
1753                 return -ENODEV;
1754
1755         config->hdr.length = 0;
1756         if (CHIP_IS_E1(bp))
1757                 config->hdr.offset = (BP_PORT(bp) ? 32 : 0);
1758         else
1759                 config->hdr.offset = BP_FUNC(bp);
1760         config->hdr.client_id = bp->fp->cl_id;
1761         config->hdr.reserved1 = 0;
1762
1763         bp->set_mac_pending = 1;
1764         smp_wmb();
1765         rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
1766                            U64_HI(bnx2x_sp_mapping(bp, mac_config)),
1767                            U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
1768         if (rc == 0) {
1769                 for (i = 0; i < 10; i++) {
1770                         if (!bp->set_mac_pending)
1771                                 break;
1772                         smp_rmb();
1773                         msleep_interruptible(10);
1774                 }
1775                 if (i == 10)
1776                         rc = -ENODEV;
1777         }
1778
1779         return rc;
1780 }
1781
1782 static void bnx2x_self_test(struct net_device *dev,
1783                             struct ethtool_test *etest, u64 *buf)
1784 {
1785         struct bnx2x *bp = netdev_priv(dev);
1786         u8 is_serdes;
1787         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1788                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
1789                 etest->flags |= ETH_TEST_FL_FAILED;
1790                 return;
1791         }
1792
1793         memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
1794
1795         if (!netif_running(dev))
1796                 return;
1797
1798         /* offline tests are not supported in MF mode */
1799         if (IS_MF(bp))
1800                 etest->flags &= ~ETH_TEST_FL_OFFLINE;
1801         is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
1802
1803         if (etest->flags & ETH_TEST_FL_OFFLINE) {
1804                 int port = BP_PORT(bp);
1805                 u32 val;
1806                 u8 link_up;
1807
1808                 /* save current value of input enable for TX port IF */
1809                 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
1810                 /* disable input for TX port IF */
1811                 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
1812
1813                 link_up = bp->link_vars.link_up;
1814
1815                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1816                 bnx2x_nic_load(bp, LOAD_DIAG);
1817                 /* wait until link state is restored */
1818                 bnx2x_wait_for_link(bp, link_up, is_serdes);
1819
1820                 if (bnx2x_test_registers(bp) != 0) {
1821                         buf[0] = 1;
1822                         etest->flags |= ETH_TEST_FL_FAILED;
1823                 }
1824                 if (bnx2x_test_memory(bp) != 0) {
1825                         buf[1] = 1;
1826                         etest->flags |= ETH_TEST_FL_FAILED;
1827                 }
1828
1829                 buf[2] = bnx2x_test_loopback(bp, link_up);
1830                 if (buf[2] != 0)
1831                         etest->flags |= ETH_TEST_FL_FAILED;
1832
1833                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1834
1835                 /* restore input for TX port IF */
1836                 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
1837
1838                 bnx2x_nic_load(bp, LOAD_NORMAL);
1839                 /* wait until link state is restored */
1840                 bnx2x_wait_for_link(bp, link_up, is_serdes);
1841         }
1842         if (bnx2x_test_nvram(bp) != 0) {
1843                 buf[3] = 1;
1844                 etest->flags |= ETH_TEST_FL_FAILED;
1845         }
1846         if (bnx2x_test_intr(bp) != 0) {
1847                 buf[4] = 1;
1848                 etest->flags |= ETH_TEST_FL_FAILED;
1849         }
1850
1851         if (bnx2x_link_test(bp, is_serdes) != 0) {
1852                 buf[5] = 1;
1853                 etest->flags |= ETH_TEST_FL_FAILED;
1854         }
1855
1856 #ifdef BNX2X_EXTRA_DEBUG
1857         bnx2x_panic_dump(bp);
1858 #endif
1859 }
1860
1861 #define IS_PORT_STAT(i) \
1862         ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
1863 #define IS_FUNC_STAT(i)         (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
1864 #define IS_MF_MODE_STAT(bp) \
1865                         (IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS))
1866
1867 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
1868 {
1869         struct bnx2x *bp = netdev_priv(dev);
1870         int i, num_stats;
1871
1872         switch (stringset) {
1873         case ETH_SS_STATS:
1874                 if (is_multi(bp)) {
1875                         num_stats = BNX2X_NUM_STAT_QUEUES(bp) *
1876                                 BNX2X_NUM_Q_STATS;
1877                         if (!IS_MF_MODE_STAT(bp))
1878                                 num_stats += BNX2X_NUM_STATS;
1879                 } else {
1880                         if (IS_MF_MODE_STAT(bp)) {
1881                                 num_stats = 0;
1882                                 for (i = 0; i < BNX2X_NUM_STATS; i++)
1883                                         if (IS_FUNC_STAT(i))
1884                                                 num_stats++;
1885                         } else
1886                                 num_stats = BNX2X_NUM_STATS;
1887                 }
1888                 return num_stats;
1889
1890         case ETH_SS_TEST:
1891                 return BNX2X_NUM_TESTS;
1892
1893         default:
1894                 return -EINVAL;
1895         }
1896 }
1897
1898 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
1899 {
1900         struct bnx2x *bp = netdev_priv(dev);
1901         int i, j, k;
1902         char queue_name[MAX_QUEUE_NAME_LEN+1];
1903
1904         switch (stringset) {
1905         case ETH_SS_STATS:
1906                 if (is_multi(bp)) {
1907                         k = 0;
1908                         for_each_napi_queue(bp, i) {
1909                                 memset(queue_name, 0, sizeof(queue_name));
1910
1911                                 if (IS_FCOE_IDX(i))
1912                                         sprintf(queue_name, "fcoe");
1913                                 else
1914                                         sprintf(queue_name, "%d", i);
1915
1916                                 for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
1917                                         snprintf(buf + (k + j)*ETH_GSTRING_LEN,
1918                                                 ETH_GSTRING_LEN,
1919                                                 bnx2x_q_stats_arr[j].string,
1920                                                 queue_name);
1921                                 k += BNX2X_NUM_Q_STATS;
1922                         }
1923                         if (IS_MF_MODE_STAT(bp))
1924                                 break;
1925                         for (j = 0; j < BNX2X_NUM_STATS; j++)
1926                                 strcpy(buf + (k + j)*ETH_GSTRING_LEN,
1927                                        bnx2x_stats_arr[j].string);
1928                 } else {
1929                         for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
1930                                 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
1931                                         continue;
1932                                 strcpy(buf + j*ETH_GSTRING_LEN,
1933                                        bnx2x_stats_arr[i].string);
1934                                 j++;
1935                         }
1936                 }
1937                 break;
1938
1939         case ETH_SS_TEST:
1940                 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
1941                 break;
1942         }
1943 }
1944
1945 static void bnx2x_get_ethtool_stats(struct net_device *dev,
1946                                     struct ethtool_stats *stats, u64 *buf)
1947 {
1948         struct bnx2x *bp = netdev_priv(dev);
1949         u32 *hw_stats, *offset;
1950         int i, j, k;
1951
1952         if (is_multi(bp)) {
1953                 k = 0;
1954                 for_each_napi_queue(bp, i) {
1955                         hw_stats = (u32 *)&bp->fp[i].eth_q_stats;
1956                         for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
1957                                 if (bnx2x_q_stats_arr[j].size == 0) {
1958                                         /* skip this counter */
1959                                         buf[k + j] = 0;
1960                                         continue;
1961                                 }
1962                                 offset = (hw_stats +
1963                                           bnx2x_q_stats_arr[j].offset);
1964                                 if (bnx2x_q_stats_arr[j].size == 4) {
1965                                         /* 4-byte counter */
1966                                         buf[k + j] = (u64) *offset;
1967                                         continue;
1968                                 }
1969                                 /* 8-byte counter */
1970                                 buf[k + j] = HILO_U64(*offset, *(offset + 1));
1971                         }
1972                         k += BNX2X_NUM_Q_STATS;
1973                 }
1974                 if (IS_MF_MODE_STAT(bp))
1975                         return;
1976                 hw_stats = (u32 *)&bp->eth_stats;
1977                 for (j = 0; j < BNX2X_NUM_STATS; j++) {
1978                         if (bnx2x_stats_arr[j].size == 0) {
1979                                 /* skip this counter */
1980                                 buf[k + j] = 0;
1981                                 continue;
1982                         }
1983                         offset = (hw_stats + bnx2x_stats_arr[j].offset);
1984                         if (bnx2x_stats_arr[j].size == 4) {
1985                                 /* 4-byte counter */
1986                                 buf[k + j] = (u64) *offset;
1987                                 continue;
1988                         }
1989                         /* 8-byte counter */
1990                         buf[k + j] = HILO_U64(*offset, *(offset + 1));
1991                 }
1992         } else {
1993                 hw_stats = (u32 *)&bp->eth_stats;
1994                 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
1995                         if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
1996                                 continue;
1997                         if (bnx2x_stats_arr[i].size == 0) {
1998                                 /* skip this counter */
1999                                 buf[j] = 0;
2000                                 j++;
2001                                 continue;
2002                         }
2003                         offset = (hw_stats + bnx2x_stats_arr[i].offset);
2004                         if (bnx2x_stats_arr[i].size == 4) {
2005                                 /* 4-byte counter */
2006                                 buf[j] = (u64) *offset;
2007                                 j++;
2008                                 continue;
2009                         }
2010                         /* 8-byte counter */
2011                         buf[j] = HILO_U64(*offset, *(offset + 1));
2012                         j++;
2013                 }
2014         }
2015 }
2016
2017 static int bnx2x_set_phys_id(struct net_device *dev,
2018                              enum ethtool_phys_id_state state)
2019 {
2020         struct bnx2x *bp = netdev_priv(dev);
2021
2022         if (!netif_running(dev))
2023                 return -EAGAIN;
2024
2025         if (!bp->port.pmf)
2026                 return -EOPNOTSUPP;
2027
2028         switch (state) {
2029         case ETHTOOL_ID_ACTIVE:
2030                 return 1;       /* cycle on/off once per second */
2031
2032         case ETHTOOL_ID_ON:
2033                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2034                               LED_MODE_ON, SPEED_1000);
2035                 break;
2036
2037         case ETHTOOL_ID_OFF:
2038                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2039                               LED_MODE_FRONT_PANEL_OFF, 0);
2040
2041                 break;
2042
2043         case ETHTOOL_ID_INACTIVE:
2044                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2045                               LED_MODE_OPER,
2046                               bp->link_vars.line_speed);
2047         }
2048
2049         return 0;
2050 }
2051
2052 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2053                            void *rules __always_unused)
2054 {
2055         struct bnx2x *bp = netdev_priv(dev);
2056
2057         switch (info->cmd) {
2058         case ETHTOOL_GRXRINGS:
2059                 info->data = BNX2X_NUM_ETH_QUEUES(bp);
2060                 return 0;
2061
2062         default:
2063                 return -EOPNOTSUPP;
2064         }
2065 }
2066
2067 static int bnx2x_get_rxfh_indir(struct net_device *dev,
2068                                 struct ethtool_rxfh_indir *indir)
2069 {
2070         struct bnx2x *bp = netdev_priv(dev);
2071         size_t copy_size =
2072                 min_t(size_t, indir->size, TSTORM_INDIRECTION_TABLE_SIZE);
2073
2074         if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
2075                 return -EOPNOTSUPP;
2076
2077         indir->size = TSTORM_INDIRECTION_TABLE_SIZE;
2078         memcpy(indir->ring_index, bp->rx_indir_table,
2079                copy_size * sizeof(bp->rx_indir_table[0]));
2080         return 0;
2081 }
2082
2083 static int bnx2x_set_rxfh_indir(struct net_device *dev,
2084                                 const struct ethtool_rxfh_indir *indir)
2085 {
2086         struct bnx2x *bp = netdev_priv(dev);
2087         size_t i;
2088
2089         if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
2090                 return -EOPNOTSUPP;
2091
2092         /* Validate size and indices */
2093         if (indir->size != TSTORM_INDIRECTION_TABLE_SIZE)
2094                 return -EINVAL;
2095         for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
2096                 if (indir->ring_index[i] >= BNX2X_NUM_ETH_QUEUES(bp))
2097                         return -EINVAL;
2098
2099         memcpy(bp->rx_indir_table, indir->ring_index,
2100                indir->size * sizeof(bp->rx_indir_table[0]));
2101         bnx2x_push_indir_table(bp);
2102         return 0;
2103 }
2104
2105 static const struct ethtool_ops bnx2x_ethtool_ops = {
2106         .get_settings           = bnx2x_get_settings,
2107         .set_settings           = bnx2x_set_settings,
2108         .get_drvinfo            = bnx2x_get_drvinfo,
2109         .get_regs_len           = bnx2x_get_regs_len,
2110         .get_regs               = bnx2x_get_regs,
2111         .get_wol                = bnx2x_get_wol,
2112         .set_wol                = bnx2x_set_wol,
2113         .get_msglevel           = bnx2x_get_msglevel,
2114         .set_msglevel           = bnx2x_set_msglevel,
2115         .nway_reset             = bnx2x_nway_reset,
2116         .get_link               = bnx2x_get_link,
2117         .get_eeprom_len         = bnx2x_get_eeprom_len,
2118         .get_eeprom             = bnx2x_get_eeprom,
2119         .set_eeprom             = bnx2x_set_eeprom,
2120         .get_coalesce           = bnx2x_get_coalesce,
2121         .set_coalesce           = bnx2x_set_coalesce,
2122         .get_ringparam          = bnx2x_get_ringparam,
2123         .set_ringparam          = bnx2x_set_ringparam,
2124         .get_pauseparam         = bnx2x_get_pauseparam,
2125         .set_pauseparam         = bnx2x_set_pauseparam,
2126         .self_test              = bnx2x_self_test,
2127         .get_sset_count         = bnx2x_get_sset_count,
2128         .get_strings            = bnx2x_get_strings,
2129         .set_phys_id            = bnx2x_set_phys_id,
2130         .get_ethtool_stats      = bnx2x_get_ethtool_stats,
2131         .get_rxnfc              = bnx2x_get_rxnfc,
2132         .get_rxfh_indir         = bnx2x_get_rxfh_indir,
2133         .set_rxfh_indir         = bnx2x_set_rxfh_indir,
2134 };
2135
2136 void bnx2x_set_ethtool_ops(struct net_device *netdev)
2137 {
2138         SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
2139 }