Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wirel...
[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 static int bnx2x_get_port_type(struct bnx2x *bp)
166 {
167         int port_type;
168         u32 phy_idx = bnx2x_get_cur_phy_idx(bp);
169         switch (bp->link_params.phy[phy_idx].media_type) {
170         case ETH_PHY_SFP_FIBER:
171         case ETH_PHY_XFP_FIBER:
172         case ETH_PHY_KR:
173         case ETH_PHY_CX4:
174                 port_type = PORT_FIBRE;
175                 break;
176         case ETH_PHY_DA_TWINAX:
177                 port_type = PORT_DA;
178                 break;
179         case ETH_PHY_BASE_T:
180                 port_type = PORT_TP;
181                 break;
182         case ETH_PHY_NOT_PRESENT:
183                 port_type = PORT_NONE;
184                 break;
185         case ETH_PHY_UNSPECIFIED:
186         default:
187                 port_type = PORT_OTHER;
188                 break;
189         }
190         return port_type;
191 }
192
193 static int bnx2x_get_settings(struct net_device *dev, struct ethtool_cmd *cmd)
194 {
195         struct bnx2x *bp = netdev_priv(dev);
196         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
197
198         /* Dual Media boards present all available port types */
199         cmd->supported = bp->port.supported[cfg_idx] |
200                 (bp->port.supported[cfg_idx ^ 1] &
201                  (SUPPORTED_TP | SUPPORTED_FIBRE));
202         cmd->advertising = bp->port.advertising[cfg_idx];
203
204         if ((bp->state == BNX2X_STATE_OPEN) &&
205             !(bp->flags & MF_FUNC_DIS) &&
206             (bp->link_vars.link_up)) {
207                 ethtool_cmd_speed_set(cmd, bp->link_vars.line_speed);
208                 cmd->duplex = bp->link_vars.duplex;
209         } else {
210                 ethtool_cmd_speed_set(
211                         cmd, bp->link_params.req_line_speed[cfg_idx]);
212                 cmd->duplex = bp->link_params.req_duplex[cfg_idx];
213         }
214
215         if (IS_MF(bp))
216                 ethtool_cmd_speed_set(cmd, bnx2x_get_mf_speed(bp));
217
218         cmd->port = bnx2x_get_port_type(bp);
219
220         cmd->phy_address = bp->mdio.prtad;
221         cmd->transceiver = XCVR_INTERNAL;
222
223         if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG)
224                 cmd->autoneg = AUTONEG_ENABLE;
225         else
226                 cmd->autoneg = AUTONEG_DISABLE;
227
228         cmd->maxtxpkt = 0;
229         cmd->maxrxpkt = 0;
230
231         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
232            DP_LEVEL "  supported 0x%x  advertising 0x%x  speed %u\n"
233            DP_LEVEL "  duplex %d  port %d  phy_address %d  transceiver %d\n"
234            DP_LEVEL "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
235            cmd->cmd, cmd->supported, cmd->advertising,
236            ethtool_cmd_speed(cmd),
237            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
238            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
239
240         return 0;
241 }
242
243 static int bnx2x_set_settings(struct net_device *dev, struct ethtool_cmd *cmd)
244 {
245         struct bnx2x *bp = netdev_priv(dev);
246         u32 advertising, cfg_idx, old_multi_phy_config, new_multi_phy_config;
247         u32 speed;
248
249         if (IS_MF_SD(bp))
250                 return 0;
251
252         DP(NETIF_MSG_LINK, "ethtool_cmd: cmd %d\n"
253            "  supported 0x%x  advertising 0x%x  speed %u\n"
254            "  duplex %d  port %d  phy_address %d  transceiver %d\n"
255            "  autoneg %d  maxtxpkt %d  maxrxpkt %d\n",
256            cmd->cmd, cmd->supported, cmd->advertising,
257            ethtool_cmd_speed(cmd),
258            cmd->duplex, cmd->port, cmd->phy_address, cmd->transceiver,
259            cmd->autoneg, cmd->maxtxpkt, cmd->maxrxpkt);
260
261         speed = ethtool_cmd_speed(cmd);
262
263         if (IS_MF_SI(bp)) {
264                 u32 part;
265                 u32 line_speed = bp->link_vars.line_speed;
266
267                 /* use 10G if no link detected */
268                 if (!line_speed)
269                         line_speed = 10000;
270
271                 if (bp->common.bc_ver < REQ_BC_VER_4_SET_MF_BW) {
272                         BNX2X_DEV_INFO("To set speed BC %X or higher "
273                                        "is required, please upgrade BC\n",
274                                        REQ_BC_VER_4_SET_MF_BW);
275                         return -EINVAL;
276                 }
277
278                 part = (speed * 100) / line_speed;
279
280                 if (line_speed < speed || !part) {
281                         BNX2X_DEV_INFO("Speed setting should be in a range "
282                                        "from 1%% to 100%% "
283                                        "of actual line speed\n");
284                         return -EINVAL;
285                 }
286
287                 if (bp->state != BNX2X_STATE_OPEN)
288                         /* store value for following "load" */
289                         bp->pending_max = part;
290                 else
291                         bnx2x_update_max_mf_config(bp, part);
292
293                 return 0;
294         }
295
296         cfg_idx = bnx2x_get_link_cfg_idx(bp);
297         old_multi_phy_config = bp->link_params.multi_phy_config;
298         switch (cmd->port) {
299         case PORT_TP:
300                 if (bp->port.supported[cfg_idx] & SUPPORTED_TP)
301                         break; /* no port change */
302
303                 if (!(bp->port.supported[0] & SUPPORTED_TP ||
304                       bp->port.supported[1] & SUPPORTED_TP)) {
305                         DP(NETIF_MSG_LINK, "Unsupported port type\n");
306                         return -EINVAL;
307                 }
308                 bp->link_params.multi_phy_config &=
309                         ~PORT_HW_CFG_PHY_SELECTION_MASK;
310                 if (bp->link_params.multi_phy_config &
311                     PORT_HW_CFG_PHY_SWAPPED_ENABLED)
312                         bp->link_params.multi_phy_config |=
313                         PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
314                 else
315                         bp->link_params.multi_phy_config |=
316                         PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
317                 break;
318         case PORT_FIBRE:
319                 if (bp->port.supported[cfg_idx] & SUPPORTED_FIBRE)
320                         break; /* no port change */
321
322                 if (!(bp->port.supported[0] & SUPPORTED_FIBRE ||
323                       bp->port.supported[1] & SUPPORTED_FIBRE)) {
324                         DP(NETIF_MSG_LINK, "Unsupported port type\n");
325                         return -EINVAL;
326                 }
327                 bp->link_params.multi_phy_config &=
328                         ~PORT_HW_CFG_PHY_SELECTION_MASK;
329                 if (bp->link_params.multi_phy_config &
330                     PORT_HW_CFG_PHY_SWAPPED_ENABLED)
331                         bp->link_params.multi_phy_config |=
332                         PORT_HW_CFG_PHY_SELECTION_FIRST_PHY;
333                 else
334                         bp->link_params.multi_phy_config |=
335                         PORT_HW_CFG_PHY_SELECTION_SECOND_PHY;
336                 break;
337         default:
338                 DP(NETIF_MSG_LINK, "Unsupported port type\n");
339                 return -EINVAL;
340         }
341         /* Save new config in case command complete successuly */
342         new_multi_phy_config = bp->link_params.multi_phy_config;
343         /* Get the new cfg_idx */
344         cfg_idx = bnx2x_get_link_cfg_idx(bp);
345         /* Restore old config in case command failed */
346         bp->link_params.multi_phy_config = old_multi_phy_config;
347         DP(NETIF_MSG_LINK, "cfg_idx = %x\n", cfg_idx);
348
349         if (cmd->autoneg == AUTONEG_ENABLE) {
350                 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
351                         DP(NETIF_MSG_LINK, "Autoneg not supported\n");
352                         return -EINVAL;
353                 }
354
355                 /* advertise the requested speed and duplex if supported */
356                 cmd->advertising &= bp->port.supported[cfg_idx];
357
358                 bp->link_params.req_line_speed[cfg_idx] = SPEED_AUTO_NEG;
359                 bp->link_params.req_duplex[cfg_idx] = DUPLEX_FULL;
360                 bp->port.advertising[cfg_idx] |= (ADVERTISED_Autoneg |
361                                          cmd->advertising);
362
363         } else { /* forced speed */
364                 /* advertise the requested speed and duplex if supported */
365                 switch (speed) {
366                 case SPEED_10:
367                         if (cmd->duplex == DUPLEX_FULL) {
368                                 if (!(bp->port.supported[cfg_idx] &
369                                       SUPPORTED_10baseT_Full)) {
370                                         DP(NETIF_MSG_LINK,
371                                            "10M full not supported\n");
372                                         return -EINVAL;
373                                 }
374
375                                 advertising = (ADVERTISED_10baseT_Full |
376                                                ADVERTISED_TP);
377                         } else {
378                                 if (!(bp->port.supported[cfg_idx] &
379                                       SUPPORTED_10baseT_Half)) {
380                                         DP(NETIF_MSG_LINK,
381                                            "10M half not supported\n");
382                                         return -EINVAL;
383                                 }
384
385                                 advertising = (ADVERTISED_10baseT_Half |
386                                                ADVERTISED_TP);
387                         }
388                         break;
389
390                 case SPEED_100:
391                         if (cmd->duplex == DUPLEX_FULL) {
392                                 if (!(bp->port.supported[cfg_idx] &
393                                                 SUPPORTED_100baseT_Full)) {
394                                         DP(NETIF_MSG_LINK,
395                                            "100M full not supported\n");
396                                         return -EINVAL;
397                                 }
398
399                                 advertising = (ADVERTISED_100baseT_Full |
400                                                ADVERTISED_TP);
401                         } else {
402                                 if (!(bp->port.supported[cfg_idx] &
403                                                 SUPPORTED_100baseT_Half)) {
404                                         DP(NETIF_MSG_LINK,
405                                            "100M half not supported\n");
406                                         return -EINVAL;
407                                 }
408
409                                 advertising = (ADVERTISED_100baseT_Half |
410                                                ADVERTISED_TP);
411                         }
412                         break;
413
414                 case SPEED_1000:
415                         if (cmd->duplex != DUPLEX_FULL) {
416                                 DP(NETIF_MSG_LINK, "1G half not supported\n");
417                                 return -EINVAL;
418                         }
419
420                         if (!(bp->port.supported[cfg_idx] &
421                               SUPPORTED_1000baseT_Full)) {
422                                 DP(NETIF_MSG_LINK, "1G full not supported\n");
423                                 return -EINVAL;
424                         }
425
426                         advertising = (ADVERTISED_1000baseT_Full |
427                                        ADVERTISED_TP);
428                         break;
429
430                 case SPEED_2500:
431                         if (cmd->duplex != DUPLEX_FULL) {
432                                 DP(NETIF_MSG_LINK,
433                                    "2.5G half not supported\n");
434                                 return -EINVAL;
435                         }
436
437                         if (!(bp->port.supported[cfg_idx]
438                               & SUPPORTED_2500baseX_Full)) {
439                                 DP(NETIF_MSG_LINK,
440                                    "2.5G full not supported\n");
441                                 return -EINVAL;
442                         }
443
444                         advertising = (ADVERTISED_2500baseX_Full |
445                                        ADVERTISED_TP);
446                         break;
447
448                 case SPEED_10000:
449                         if (cmd->duplex != DUPLEX_FULL) {
450                                 DP(NETIF_MSG_LINK, "10G half not supported\n");
451                                 return -EINVAL;
452                         }
453
454                         if (!(bp->port.supported[cfg_idx]
455                               & SUPPORTED_10000baseT_Full)) {
456                                 DP(NETIF_MSG_LINK, "10G full not supported\n");
457                                 return -EINVAL;
458                         }
459
460                         advertising = (ADVERTISED_10000baseT_Full |
461                                        ADVERTISED_FIBRE);
462                         break;
463
464                 default:
465                         DP(NETIF_MSG_LINK, "Unsupported speed %u\n", speed);
466                         return -EINVAL;
467                 }
468
469                 bp->link_params.req_line_speed[cfg_idx] = speed;
470                 bp->link_params.req_duplex[cfg_idx] = cmd->duplex;
471                 bp->port.advertising[cfg_idx] = advertising;
472         }
473
474         DP(NETIF_MSG_LINK, "req_line_speed %d\n"
475            DP_LEVEL "  req_duplex %d  advertising 0x%x\n",
476            bp->link_params.req_line_speed[cfg_idx],
477            bp->link_params.req_duplex[cfg_idx],
478            bp->port.advertising[cfg_idx]);
479
480         /* Set new config */
481         bp->link_params.multi_phy_config = new_multi_phy_config;
482         if (netif_running(dev)) {
483                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
484                 bnx2x_link_set(bp);
485         }
486
487         return 0;
488 }
489
490 #define IS_E1_ONLINE(info)      (((info) & RI_E1_ONLINE) == RI_E1_ONLINE)
491 #define IS_E1H_ONLINE(info)     (((info) & RI_E1H_ONLINE) == RI_E1H_ONLINE)
492 #define IS_E2_ONLINE(info)      (((info) & RI_E2_ONLINE) == RI_E2_ONLINE)
493
494 static int bnx2x_get_regs_len(struct net_device *dev)
495 {
496         struct bnx2x *bp = netdev_priv(dev);
497         int regdump_len = 0;
498         int i, j, k;
499
500         if (CHIP_IS_E1(bp)) {
501                 for (i = 0; i < REGS_COUNT; i++)
502                         if (IS_E1_ONLINE(reg_addrs[i].info))
503                                 regdump_len += reg_addrs[i].size;
504
505                 for (i = 0; i < WREGS_COUNT_E1; i++)
506                         if (IS_E1_ONLINE(wreg_addrs_e1[i].info))
507                                 regdump_len += wreg_addrs_e1[i].size *
508                                         (1 + wreg_addrs_e1[i].read_regs_count);
509
510         } else if (CHIP_IS_E1H(bp)) {
511                 for (i = 0; i < REGS_COUNT; i++)
512                         if (IS_E1H_ONLINE(reg_addrs[i].info))
513                                 regdump_len += reg_addrs[i].size;
514
515                 for (i = 0; i < WREGS_COUNT_E1H; i++)
516                         if (IS_E1H_ONLINE(wreg_addrs_e1h[i].info))
517                                 regdump_len += wreg_addrs_e1h[i].size *
518                                         (1 + wreg_addrs_e1h[i].read_regs_count);
519         } else if (CHIP_IS_E2(bp)) {
520                 for (i = 0; i < REGS_COUNT; i++)
521                         if (IS_E2_ONLINE(reg_addrs[i].info))
522                                 regdump_len += reg_addrs[i].size;
523
524                 for (i = 0; i < WREGS_COUNT_E2; i++)
525                         if (IS_E2_ONLINE(wreg_addrs_e2[i].info))
526                                 regdump_len += wreg_addrs_e2[i].size *
527                                         (1 + wreg_addrs_e2[i].read_regs_count);
528
529                 for (i = 0; i < PAGE_MODE_VALUES_E2; i++)
530                         for (j = 0; j < PAGE_WRITE_REGS_E2; j++) {
531                                 for (k = 0; k < PAGE_READ_REGS_E2; k++)
532                                         if (IS_E2_ONLINE(page_read_regs_e2[k].
533                                                          info))
534                                                 regdump_len +=
535                                                 page_read_regs_e2[k].size;
536                         }
537         }
538         regdump_len *= 4;
539         regdump_len += sizeof(struct dump_hdr);
540
541         return regdump_len;
542 }
543
544 static inline void bnx2x_read_pages_regs_e2(struct bnx2x *bp, u32 *p)
545 {
546         u32 i, j, k, n;
547
548         for (i = 0; i < PAGE_MODE_VALUES_E2; i++) {
549                 for (j = 0; j < PAGE_WRITE_REGS_E2; j++) {
550                         REG_WR(bp, page_write_regs_e2[j], page_vals_e2[i]);
551                         for (k = 0; k < PAGE_READ_REGS_E2; k++)
552                                 if (IS_E2_ONLINE(page_read_regs_e2[k].info))
553                                         for (n = 0; n <
554                                               page_read_regs_e2[k].size; n++)
555                                                 *p++ = REG_RD(bp,
556                                         page_read_regs_e2[k].addr + n*4);
557                 }
558         }
559 }
560
561 static void bnx2x_get_regs(struct net_device *dev,
562                            struct ethtool_regs *regs, void *_p)
563 {
564         u32 *p = _p, i, j;
565         struct bnx2x *bp = netdev_priv(dev);
566         struct dump_hdr dump_hdr = {0};
567
568         regs->version = 0;
569         memset(p, 0, regs->len);
570
571         if (!netif_running(bp->dev))
572                 return;
573
574         /* Disable parity attentions as long as following dump may
575          * cause false alarms by reading never written registers. We
576          * will re-enable parity attentions right after the dump.
577          */
578         bnx2x_disable_blocks_parity(bp);
579
580         dump_hdr.hdr_size = (sizeof(struct dump_hdr) / 4) - 1;
581         dump_hdr.dump_sign = dump_sign_all;
582         dump_hdr.xstorm_waitp = REG_RD(bp, XSTORM_WAITP_ADDR);
583         dump_hdr.tstorm_waitp = REG_RD(bp, TSTORM_WAITP_ADDR);
584         dump_hdr.ustorm_waitp = REG_RD(bp, USTORM_WAITP_ADDR);
585         dump_hdr.cstorm_waitp = REG_RD(bp, CSTORM_WAITP_ADDR);
586
587         if (CHIP_IS_E1(bp))
588                 dump_hdr.info = RI_E1_ONLINE;
589         else if (CHIP_IS_E1H(bp))
590                 dump_hdr.info = RI_E1H_ONLINE;
591         else if (CHIP_IS_E2(bp))
592                 dump_hdr.info = RI_E2_ONLINE |
593                 (BP_PATH(bp) ? RI_PATH1_DUMP : RI_PATH0_DUMP);
594
595         memcpy(p, &dump_hdr, sizeof(struct dump_hdr));
596         p += dump_hdr.hdr_size + 1;
597
598         if (CHIP_IS_E1(bp)) {
599                 for (i = 0; i < REGS_COUNT; i++)
600                         if (IS_E1_ONLINE(reg_addrs[i].info))
601                                 for (j = 0; j < reg_addrs[i].size; j++)
602                                         *p++ = REG_RD(bp,
603                                                       reg_addrs[i].addr + j*4);
604
605         } else if (CHIP_IS_E1H(bp)) {
606                 for (i = 0; i < REGS_COUNT; i++)
607                         if (IS_E1H_ONLINE(reg_addrs[i].info))
608                                 for (j = 0; j < reg_addrs[i].size; j++)
609                                         *p++ = REG_RD(bp,
610                                                       reg_addrs[i].addr + j*4);
611
612         } else if (CHIP_IS_E2(bp)) {
613                 for (i = 0; i < REGS_COUNT; i++)
614                         if (IS_E2_ONLINE(reg_addrs[i].info))
615                                 for (j = 0; j < reg_addrs[i].size; j++)
616                                         *p++ = REG_RD(bp,
617                                               reg_addrs[i].addr + j*4);
618
619                 bnx2x_read_pages_regs_e2(bp, p);
620         }
621         /* Re-enable parity attentions */
622         bnx2x_clear_blocks_parity(bp);
623         if (CHIP_PARITY_ENABLED(bp))
624                 bnx2x_enable_blocks_parity(bp);
625 }
626
627 #define PHY_FW_VER_LEN                  20
628
629 static void bnx2x_get_drvinfo(struct net_device *dev,
630                               struct ethtool_drvinfo *info)
631 {
632         struct bnx2x *bp = netdev_priv(dev);
633         u8 phy_fw_ver[PHY_FW_VER_LEN];
634
635         strcpy(info->driver, DRV_MODULE_NAME);
636         strcpy(info->version, DRV_MODULE_VERSION);
637
638         phy_fw_ver[0] = '\0';
639         if (bp->port.pmf) {
640                 bnx2x_acquire_phy_lock(bp);
641                 bnx2x_get_ext_phy_fw_version(&bp->link_params,
642                                              (bp->state != BNX2X_STATE_CLOSED),
643                                              phy_fw_ver, PHY_FW_VER_LEN);
644                 bnx2x_release_phy_lock(bp);
645         }
646
647         strncpy(info->fw_version, bp->fw_ver, 32);
648         snprintf(info->fw_version + strlen(bp->fw_ver), 32 - strlen(bp->fw_ver),
649                  "bc %d.%d.%d%s%s",
650                  (bp->common.bc_ver & 0xff0000) >> 16,
651                  (bp->common.bc_ver & 0xff00) >> 8,
652                  (bp->common.bc_ver & 0xff),
653                  ((phy_fw_ver[0] != '\0') ? " phy " : ""), phy_fw_ver);
654         strcpy(info->bus_info, pci_name(bp->pdev));
655         info->n_stats = BNX2X_NUM_STATS;
656         info->testinfo_len = BNX2X_NUM_TESTS;
657         info->eedump_len = bp->common.flash_size;
658         info->regdump_len = bnx2x_get_regs_len(dev);
659 }
660
661 static void bnx2x_get_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
662 {
663         struct bnx2x *bp = netdev_priv(dev);
664
665         if (bp->flags & NO_WOL_FLAG) {
666                 wol->supported = 0;
667                 wol->wolopts = 0;
668         } else {
669                 wol->supported = WAKE_MAGIC;
670                 if (bp->wol)
671                         wol->wolopts = WAKE_MAGIC;
672                 else
673                         wol->wolopts = 0;
674         }
675         memset(&wol->sopass, 0, sizeof(wol->sopass));
676 }
677
678 static int bnx2x_set_wol(struct net_device *dev, struct ethtool_wolinfo *wol)
679 {
680         struct bnx2x *bp = netdev_priv(dev);
681
682         if (wol->wolopts & ~WAKE_MAGIC)
683                 return -EINVAL;
684
685         if (wol->wolopts & WAKE_MAGIC) {
686                 if (bp->flags & NO_WOL_FLAG)
687                         return -EINVAL;
688
689                 bp->wol = 1;
690         } else
691                 bp->wol = 0;
692
693         return 0;
694 }
695
696 static u32 bnx2x_get_msglevel(struct net_device *dev)
697 {
698         struct bnx2x *bp = netdev_priv(dev);
699
700         return bp->msg_enable;
701 }
702
703 static void bnx2x_set_msglevel(struct net_device *dev, u32 level)
704 {
705         struct bnx2x *bp = netdev_priv(dev);
706
707         if (capable(CAP_NET_ADMIN))
708                 bp->msg_enable = level;
709 }
710
711 static int bnx2x_nway_reset(struct net_device *dev)
712 {
713         struct bnx2x *bp = netdev_priv(dev);
714
715         if (!bp->port.pmf)
716                 return 0;
717
718         if (netif_running(dev)) {
719                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
720                 bnx2x_link_set(bp);
721         }
722
723         return 0;
724 }
725
726 static u32 bnx2x_get_link(struct net_device *dev)
727 {
728         struct bnx2x *bp = netdev_priv(dev);
729
730         if (bp->flags & MF_FUNC_DIS || (bp->state != BNX2X_STATE_OPEN))
731                 return 0;
732
733         return bp->link_vars.link_up;
734 }
735
736 static int bnx2x_get_eeprom_len(struct net_device *dev)
737 {
738         struct bnx2x *bp = netdev_priv(dev);
739
740         return bp->common.flash_size;
741 }
742
743 static int bnx2x_acquire_nvram_lock(struct bnx2x *bp)
744 {
745         int port = BP_PORT(bp);
746         int count, i;
747         u32 val = 0;
748
749         /* adjust timeout for emulation/FPGA */
750         count = NVRAM_TIMEOUT_COUNT;
751         if (CHIP_REV_IS_SLOW(bp))
752                 count *= 100;
753
754         /* request access to nvram interface */
755         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
756                (MCPR_NVM_SW_ARB_ARB_REQ_SET1 << port));
757
758         for (i = 0; i < count*10; i++) {
759                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
760                 if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))
761                         break;
762
763                 udelay(5);
764         }
765
766         if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port))) {
767                 DP(BNX2X_MSG_NVM, "cannot get access to nvram interface\n");
768                 return -EBUSY;
769         }
770
771         return 0;
772 }
773
774 static int bnx2x_release_nvram_lock(struct bnx2x *bp)
775 {
776         int port = BP_PORT(bp);
777         int count, i;
778         u32 val = 0;
779
780         /* adjust timeout for emulation/FPGA */
781         count = NVRAM_TIMEOUT_COUNT;
782         if (CHIP_REV_IS_SLOW(bp))
783                 count *= 100;
784
785         /* relinquish nvram interface */
786         REG_WR(bp, MCP_REG_MCPR_NVM_SW_ARB,
787                (MCPR_NVM_SW_ARB_ARB_REQ_CLR1 << port));
788
789         for (i = 0; i < count*10; i++) {
790                 val = REG_RD(bp, MCP_REG_MCPR_NVM_SW_ARB);
791                 if (!(val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)))
792                         break;
793
794                 udelay(5);
795         }
796
797         if (val & (MCPR_NVM_SW_ARB_ARB_ARB1 << port)) {
798                 DP(BNX2X_MSG_NVM, "cannot free access to nvram interface\n");
799                 return -EBUSY;
800         }
801
802         return 0;
803 }
804
805 static void bnx2x_enable_nvram_access(struct bnx2x *bp)
806 {
807         u32 val;
808
809         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
810
811         /* enable both bits, even on read */
812         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
813                (val | MCPR_NVM_ACCESS_ENABLE_EN |
814                       MCPR_NVM_ACCESS_ENABLE_WR_EN));
815 }
816
817 static void bnx2x_disable_nvram_access(struct bnx2x *bp)
818 {
819         u32 val;
820
821         val = REG_RD(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE);
822
823         /* disable both bits, even after read */
824         REG_WR(bp, MCP_REG_MCPR_NVM_ACCESS_ENABLE,
825                (val & ~(MCPR_NVM_ACCESS_ENABLE_EN |
826                         MCPR_NVM_ACCESS_ENABLE_WR_EN)));
827 }
828
829 static int bnx2x_nvram_read_dword(struct bnx2x *bp, u32 offset, __be32 *ret_val,
830                                   u32 cmd_flags)
831 {
832         int count, i, rc;
833         u32 val;
834
835         /* build the command word */
836         cmd_flags |= MCPR_NVM_COMMAND_DOIT;
837
838         /* need to clear DONE bit separately */
839         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
840
841         /* address of the NVRAM to read from */
842         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
843                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
844
845         /* issue a read command */
846         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
847
848         /* adjust timeout for emulation/FPGA */
849         count = NVRAM_TIMEOUT_COUNT;
850         if (CHIP_REV_IS_SLOW(bp))
851                 count *= 100;
852
853         /* wait for completion */
854         *ret_val = 0;
855         rc = -EBUSY;
856         for (i = 0; i < count; i++) {
857                 udelay(5);
858                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
859
860                 if (val & MCPR_NVM_COMMAND_DONE) {
861                         val = REG_RD(bp, MCP_REG_MCPR_NVM_READ);
862                         /* we read nvram data in cpu order
863                          * but ethtool sees it as an array of bytes
864                          * converting to big-endian will do the work */
865                         *ret_val = cpu_to_be32(val);
866                         rc = 0;
867                         break;
868                 }
869         }
870
871         return rc;
872 }
873
874 static int bnx2x_nvram_read(struct bnx2x *bp, u32 offset, u8 *ret_buf,
875                             int buf_size)
876 {
877         int rc;
878         u32 cmd_flags;
879         __be32 val;
880
881         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
882                 DP(BNX2X_MSG_NVM,
883                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
884                    offset, buf_size);
885                 return -EINVAL;
886         }
887
888         if (offset + buf_size > bp->common.flash_size) {
889                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
890                                   " buf_size (0x%x) > flash_size (0x%x)\n",
891                    offset, buf_size, bp->common.flash_size);
892                 return -EINVAL;
893         }
894
895         /* request access to nvram interface */
896         rc = bnx2x_acquire_nvram_lock(bp);
897         if (rc)
898                 return rc;
899
900         /* enable access to nvram interface */
901         bnx2x_enable_nvram_access(bp);
902
903         /* read the first word(s) */
904         cmd_flags = MCPR_NVM_COMMAND_FIRST;
905         while ((buf_size > sizeof(u32)) && (rc == 0)) {
906                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
907                 memcpy(ret_buf, &val, 4);
908
909                 /* advance to the next dword */
910                 offset += sizeof(u32);
911                 ret_buf += sizeof(u32);
912                 buf_size -= sizeof(u32);
913                 cmd_flags = 0;
914         }
915
916         if (rc == 0) {
917                 cmd_flags |= MCPR_NVM_COMMAND_LAST;
918                 rc = bnx2x_nvram_read_dword(bp, offset, &val, cmd_flags);
919                 memcpy(ret_buf, &val, 4);
920         }
921
922         /* disable access to nvram interface */
923         bnx2x_disable_nvram_access(bp);
924         bnx2x_release_nvram_lock(bp);
925
926         return rc;
927 }
928
929 static int bnx2x_get_eeprom(struct net_device *dev,
930                             struct ethtool_eeprom *eeprom, u8 *eebuf)
931 {
932         struct bnx2x *bp = netdev_priv(dev);
933         int rc;
934
935         if (!netif_running(dev))
936                 return -EAGAIN;
937
938         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
939            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
940            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
941            eeprom->len, eeprom->len);
942
943         /* parameters already validated in ethtool_get_eeprom */
944
945         rc = bnx2x_nvram_read(bp, eeprom->offset, eebuf, eeprom->len);
946
947         return rc;
948 }
949
950 static int bnx2x_nvram_write_dword(struct bnx2x *bp, u32 offset, u32 val,
951                                    u32 cmd_flags)
952 {
953         int count, i, rc;
954
955         /* build the command word */
956         cmd_flags |= MCPR_NVM_COMMAND_DOIT | MCPR_NVM_COMMAND_WR;
957
958         /* need to clear DONE bit separately */
959         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, MCPR_NVM_COMMAND_DONE);
960
961         /* write the data */
962         REG_WR(bp, MCP_REG_MCPR_NVM_WRITE, val);
963
964         /* address of the NVRAM to write to */
965         REG_WR(bp, MCP_REG_MCPR_NVM_ADDR,
966                (offset & MCPR_NVM_ADDR_NVM_ADDR_VALUE));
967
968         /* issue the write command */
969         REG_WR(bp, MCP_REG_MCPR_NVM_COMMAND, cmd_flags);
970
971         /* adjust timeout for emulation/FPGA */
972         count = NVRAM_TIMEOUT_COUNT;
973         if (CHIP_REV_IS_SLOW(bp))
974                 count *= 100;
975
976         /* wait for completion */
977         rc = -EBUSY;
978         for (i = 0; i < count; i++) {
979                 udelay(5);
980                 val = REG_RD(bp, MCP_REG_MCPR_NVM_COMMAND);
981                 if (val & MCPR_NVM_COMMAND_DONE) {
982                         rc = 0;
983                         break;
984                 }
985         }
986
987         return rc;
988 }
989
990 #define BYTE_OFFSET(offset)             (8 * (offset & 0x03))
991
992 static int bnx2x_nvram_write1(struct bnx2x *bp, u32 offset, u8 *data_buf,
993                               int buf_size)
994 {
995         int rc;
996         u32 cmd_flags;
997         u32 align_offset;
998         __be32 val;
999
1000         if (offset + buf_size > bp->common.flash_size) {
1001                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
1002                                   " buf_size (0x%x) > flash_size (0x%x)\n",
1003                    offset, buf_size, bp->common.flash_size);
1004                 return -EINVAL;
1005         }
1006
1007         /* request access to nvram interface */
1008         rc = bnx2x_acquire_nvram_lock(bp);
1009         if (rc)
1010                 return rc;
1011
1012         /* enable access to nvram interface */
1013         bnx2x_enable_nvram_access(bp);
1014
1015         cmd_flags = (MCPR_NVM_COMMAND_FIRST | MCPR_NVM_COMMAND_LAST);
1016         align_offset = (offset & ~0x03);
1017         rc = bnx2x_nvram_read_dword(bp, align_offset, &val, cmd_flags);
1018
1019         if (rc == 0) {
1020                 val &= ~(0xff << BYTE_OFFSET(offset));
1021                 val |= (*data_buf << BYTE_OFFSET(offset));
1022
1023                 /* nvram data is returned as an array of bytes
1024                  * convert it back to cpu order */
1025                 val = be32_to_cpu(val);
1026
1027                 rc = bnx2x_nvram_write_dword(bp, align_offset, val,
1028                                              cmd_flags);
1029         }
1030
1031         /* disable access to nvram interface */
1032         bnx2x_disable_nvram_access(bp);
1033         bnx2x_release_nvram_lock(bp);
1034
1035         return rc;
1036 }
1037
1038 static int bnx2x_nvram_write(struct bnx2x *bp, u32 offset, u8 *data_buf,
1039                              int buf_size)
1040 {
1041         int rc;
1042         u32 cmd_flags;
1043         u32 val;
1044         u32 written_so_far;
1045
1046         if (buf_size == 1)      /* ethtool */
1047                 return bnx2x_nvram_write1(bp, offset, data_buf, buf_size);
1048
1049         if ((offset & 0x03) || (buf_size & 0x03) || (buf_size == 0)) {
1050                 DP(BNX2X_MSG_NVM,
1051                    "Invalid parameter: offset 0x%x  buf_size 0x%x\n",
1052                    offset, buf_size);
1053                 return -EINVAL;
1054         }
1055
1056         if (offset + buf_size > bp->common.flash_size) {
1057                 DP(BNX2X_MSG_NVM, "Invalid parameter: offset (0x%x) +"
1058                                   " buf_size (0x%x) > flash_size (0x%x)\n",
1059                    offset, buf_size, bp->common.flash_size);
1060                 return -EINVAL;
1061         }
1062
1063         /* request access to nvram interface */
1064         rc = bnx2x_acquire_nvram_lock(bp);
1065         if (rc)
1066                 return rc;
1067
1068         /* enable access to nvram interface */
1069         bnx2x_enable_nvram_access(bp);
1070
1071         written_so_far = 0;
1072         cmd_flags = MCPR_NVM_COMMAND_FIRST;
1073         while ((written_so_far < buf_size) && (rc == 0)) {
1074                 if (written_so_far == (buf_size - sizeof(u32)))
1075                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
1076                 else if (((offset + 4) % NVRAM_PAGE_SIZE) == 0)
1077                         cmd_flags |= MCPR_NVM_COMMAND_LAST;
1078                 else if ((offset % NVRAM_PAGE_SIZE) == 0)
1079                         cmd_flags |= MCPR_NVM_COMMAND_FIRST;
1080
1081                 memcpy(&val, data_buf, 4);
1082
1083                 rc = bnx2x_nvram_write_dword(bp, offset, val, cmd_flags);
1084
1085                 /* advance to the next dword */
1086                 offset += sizeof(u32);
1087                 data_buf += sizeof(u32);
1088                 written_so_far += sizeof(u32);
1089                 cmd_flags = 0;
1090         }
1091
1092         /* disable access to nvram interface */
1093         bnx2x_disable_nvram_access(bp);
1094         bnx2x_release_nvram_lock(bp);
1095
1096         return rc;
1097 }
1098
1099 static int bnx2x_set_eeprom(struct net_device *dev,
1100                             struct ethtool_eeprom *eeprom, u8 *eebuf)
1101 {
1102         struct bnx2x *bp = netdev_priv(dev);
1103         int port = BP_PORT(bp);
1104         int rc = 0;
1105         u32 ext_phy_config;
1106         if (!netif_running(dev))
1107                 return -EAGAIN;
1108
1109         DP(BNX2X_MSG_NVM, "ethtool_eeprom: cmd %d\n"
1110            DP_LEVEL "  magic 0x%x  offset 0x%x (%d)  len 0x%x (%d)\n",
1111            eeprom->cmd, eeprom->magic, eeprom->offset, eeprom->offset,
1112            eeprom->len, eeprom->len);
1113
1114         /* parameters already validated in ethtool_set_eeprom */
1115
1116         /* PHY eeprom can be accessed only by the PMF */
1117         if ((eeprom->magic >= 0x50485900) && (eeprom->magic <= 0x504859FF) &&
1118             !bp->port.pmf)
1119                 return -EINVAL;
1120
1121         ext_phy_config =
1122                 SHMEM_RD(bp,
1123                          dev_info.port_hw_config[port].external_phy_config);
1124
1125         if (eeprom->magic == 0x50485950) {
1126                 /* 'PHYP' (0x50485950): prepare phy for FW upgrade */
1127                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1128
1129                 bnx2x_acquire_phy_lock(bp);
1130                 rc |= bnx2x_link_reset(&bp->link_params,
1131                                        &bp->link_vars, 0);
1132                 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1133                                         PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101)
1134                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1135                                        MISC_REGISTERS_GPIO_HIGH, port);
1136                 bnx2x_release_phy_lock(bp);
1137                 bnx2x_link_report(bp);
1138
1139         } else if (eeprom->magic == 0x50485952) {
1140                 /* 'PHYR' (0x50485952): re-init link after FW upgrade */
1141                 if (bp->state == BNX2X_STATE_OPEN) {
1142                         bnx2x_acquire_phy_lock(bp);
1143                         rc |= bnx2x_link_reset(&bp->link_params,
1144                                                &bp->link_vars, 1);
1145
1146                         rc |= bnx2x_phy_init(&bp->link_params,
1147                                              &bp->link_vars);
1148                         bnx2x_release_phy_lock(bp);
1149                         bnx2x_calc_fc_adv(bp);
1150                 }
1151         } else if (eeprom->magic == 0x53985943) {
1152                 /* 'PHYC' (0x53985943): PHY FW upgrade completed */
1153                 if (XGXS_EXT_PHY_TYPE(ext_phy_config) ==
1154                                        PORT_HW_CFG_XGXS_EXT_PHY_TYPE_SFX7101) {
1155
1156                         /* DSP Remove Download Mode */
1157                         bnx2x_set_gpio(bp, MISC_REGISTERS_GPIO_0,
1158                                        MISC_REGISTERS_GPIO_LOW, port);
1159
1160                         bnx2x_acquire_phy_lock(bp);
1161
1162                         bnx2x_sfx7101_sp_sw_reset(bp,
1163                                                 &bp->link_params.phy[EXT_PHY1]);
1164
1165                         /* wait 0.5 sec to allow it to run */
1166                         msleep(500);
1167                         bnx2x_ext_phy_hw_reset(bp, port);
1168                         msleep(500);
1169                         bnx2x_release_phy_lock(bp);
1170                 }
1171         } else
1172                 rc = bnx2x_nvram_write(bp, eeprom->offset, eebuf, eeprom->len);
1173
1174         return rc;
1175 }
1176
1177 static int bnx2x_get_coalesce(struct net_device *dev,
1178                               struct ethtool_coalesce *coal)
1179 {
1180         struct bnx2x *bp = netdev_priv(dev);
1181
1182         memset(coal, 0, sizeof(struct ethtool_coalesce));
1183
1184         coal->rx_coalesce_usecs = bp->rx_ticks;
1185         coal->tx_coalesce_usecs = bp->tx_ticks;
1186
1187         return 0;
1188 }
1189
1190 static int bnx2x_set_coalesce(struct net_device *dev,
1191                               struct ethtool_coalesce *coal)
1192 {
1193         struct bnx2x *bp = netdev_priv(dev);
1194
1195         bp->rx_ticks = (u16)coal->rx_coalesce_usecs;
1196         if (bp->rx_ticks > BNX2X_MAX_COALESCE_TOUT)
1197                 bp->rx_ticks = BNX2X_MAX_COALESCE_TOUT;
1198
1199         bp->tx_ticks = (u16)coal->tx_coalesce_usecs;
1200         if (bp->tx_ticks > BNX2X_MAX_COALESCE_TOUT)
1201                 bp->tx_ticks = BNX2X_MAX_COALESCE_TOUT;
1202
1203         if (netif_running(dev))
1204                 bnx2x_update_coalesce(bp);
1205
1206         return 0;
1207 }
1208
1209 static void bnx2x_get_ringparam(struct net_device *dev,
1210                                 struct ethtool_ringparam *ering)
1211 {
1212         struct bnx2x *bp = netdev_priv(dev);
1213
1214         ering->rx_max_pending = MAX_RX_AVAIL;
1215         ering->rx_mini_max_pending = 0;
1216         ering->rx_jumbo_max_pending = 0;
1217
1218         if (bp->rx_ring_size)
1219                 ering->rx_pending = bp->rx_ring_size;
1220         else
1221                 if (bp->state == BNX2X_STATE_OPEN && bp->num_queues)
1222                         ering->rx_pending = MAX_RX_AVAIL/bp->num_queues;
1223                 else
1224                         ering->rx_pending = MAX_RX_AVAIL;
1225
1226         ering->rx_mini_pending = 0;
1227         ering->rx_jumbo_pending = 0;
1228
1229         ering->tx_max_pending = MAX_TX_AVAIL;
1230         ering->tx_pending = bp->tx_ring_size;
1231 }
1232
1233 static int bnx2x_set_ringparam(struct net_device *dev,
1234                                struct ethtool_ringparam *ering)
1235 {
1236         struct bnx2x *bp = netdev_priv(dev);
1237         int rc = 0;
1238
1239         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1240                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
1241                 return -EAGAIN;
1242         }
1243
1244         if ((ering->rx_pending > MAX_RX_AVAIL) ||
1245             (ering->rx_pending < (bp->disable_tpa ? MIN_RX_SIZE_NONTPA :
1246                                                     MIN_RX_SIZE_TPA)) ||
1247             (ering->tx_pending > MAX_TX_AVAIL) ||
1248             (ering->tx_pending <= MAX_SKB_FRAGS + 4))
1249                 return -EINVAL;
1250
1251         bp->rx_ring_size = ering->rx_pending;
1252         bp->tx_ring_size = ering->tx_pending;
1253
1254         if (netif_running(dev)) {
1255                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1256                 rc = bnx2x_nic_load(bp, LOAD_NORMAL);
1257         }
1258
1259         return rc;
1260 }
1261
1262 static void bnx2x_get_pauseparam(struct net_device *dev,
1263                                  struct ethtool_pauseparam *epause)
1264 {
1265         struct bnx2x *bp = netdev_priv(dev);
1266         int cfg_idx = bnx2x_get_link_cfg_idx(bp);
1267         epause->autoneg = (bp->link_params.req_flow_ctrl[cfg_idx] ==
1268                            BNX2X_FLOW_CTRL_AUTO);
1269
1270         epause->rx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_RX) ==
1271                             BNX2X_FLOW_CTRL_RX);
1272         epause->tx_pause = ((bp->link_vars.flow_ctrl & BNX2X_FLOW_CTRL_TX) ==
1273                             BNX2X_FLOW_CTRL_TX);
1274
1275         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1276            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
1277            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1278 }
1279
1280 static int bnx2x_set_pauseparam(struct net_device *dev,
1281                                 struct ethtool_pauseparam *epause)
1282 {
1283         struct bnx2x *bp = netdev_priv(dev);
1284         u32 cfg_idx = bnx2x_get_link_cfg_idx(bp);
1285         if (IS_MF(bp))
1286                 return 0;
1287
1288         DP(NETIF_MSG_LINK, "ethtool_pauseparam: cmd %d\n"
1289            DP_LEVEL "  autoneg %d  rx_pause %d  tx_pause %d\n",
1290            epause->cmd, epause->autoneg, epause->rx_pause, epause->tx_pause);
1291
1292         bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_AUTO;
1293
1294         if (epause->rx_pause)
1295                 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_RX;
1296
1297         if (epause->tx_pause)
1298                 bp->link_params.req_flow_ctrl[cfg_idx] |= BNX2X_FLOW_CTRL_TX;
1299
1300         if (bp->link_params.req_flow_ctrl[cfg_idx] == BNX2X_FLOW_CTRL_AUTO)
1301                 bp->link_params.req_flow_ctrl[cfg_idx] = BNX2X_FLOW_CTRL_NONE;
1302
1303         if (epause->autoneg) {
1304                 if (!(bp->port.supported[cfg_idx] & SUPPORTED_Autoneg)) {
1305                         DP(NETIF_MSG_LINK, "autoneg not supported\n");
1306                         return -EINVAL;
1307                 }
1308
1309                 if (bp->link_params.req_line_speed[cfg_idx] == SPEED_AUTO_NEG) {
1310                         bp->link_params.req_flow_ctrl[cfg_idx] =
1311                                 BNX2X_FLOW_CTRL_AUTO;
1312                 }
1313         }
1314
1315         DP(NETIF_MSG_LINK,
1316            "req_flow_ctrl 0x%x\n", bp->link_params.req_flow_ctrl[cfg_idx]);
1317
1318         if (netif_running(dev)) {
1319                 bnx2x_stats_handle(bp, STATS_EVENT_STOP);
1320                 bnx2x_link_set(bp);
1321         }
1322
1323         return 0;
1324 }
1325
1326 static const struct {
1327         char string[ETH_GSTRING_LEN];
1328 } bnx2x_tests_str_arr[BNX2X_NUM_TESTS] = {
1329         { "register_test (offline)" },
1330         { "memory_test (offline)" },
1331         { "loopback_test (offline)" },
1332         { "nvram_test (online)" },
1333         { "interrupt_test (online)" },
1334         { "link_test (online)" },
1335         { "idle check (online)" }
1336 };
1337
1338 static int bnx2x_test_registers(struct bnx2x *bp)
1339 {
1340         int idx, i, rc = -ENODEV;
1341         u32 wr_val = 0;
1342         int port = BP_PORT(bp);
1343         static const struct {
1344                 u32 offset0;
1345                 u32 offset1;
1346                 u32 mask;
1347         } reg_tbl[] = {
1348 /* 0 */         { BRB1_REG_PAUSE_LOW_THRESHOLD_0,      4, 0x000003ff },
1349                 { DORQ_REG_DB_ADDR0,                   4, 0xffffffff },
1350                 { HC_REG_AGG_INT_0,                    4, 0x000003ff },
1351                 { PBF_REG_MAC_IF0_ENABLE,              4, 0x00000001 },
1352                 { PBF_REG_P0_INIT_CRD,                 4, 0x000007ff },
1353                 { PRS_REG_CID_PORT_0,                  4, 0x00ffffff },
1354                 { PXP2_REG_PSWRQ_CDU0_L2P,             4, 0x000fffff },
1355                 { PXP2_REG_RQ_CDU0_EFIRST_MEM_ADDR,    8, 0x0003ffff },
1356                 { PXP2_REG_PSWRQ_TM0_L2P,              4, 0x000fffff },
1357                 { PXP2_REG_RQ_USDM0_EFIRST_MEM_ADDR,   8, 0x0003ffff },
1358 /* 10 */        { PXP2_REG_PSWRQ_TSDM0_L2P,            4, 0x000fffff },
1359                 { QM_REG_CONNNUM_0,                    4, 0x000fffff },
1360                 { TM_REG_LIN0_MAX_ACTIVE_CID,          4, 0x0003ffff },
1361                 { SRC_REG_KEYRSS0_0,                  40, 0xffffffff },
1362                 { SRC_REG_KEYRSS0_7,                  40, 0xffffffff },
1363                 { XCM_REG_WU_DA_SET_TMR_CNT_FLG_CMD00, 4, 0x00000001 },
1364                 { XCM_REG_WU_DA_CNT_CMD00,             4, 0x00000003 },
1365                 { XCM_REG_GLB_DEL_ACK_MAX_CNT_0,       4, 0x000000ff },
1366                 { NIG_REG_LLH0_T_BIT,                  4, 0x00000001 },
1367                 { NIG_REG_EMAC0_IN_EN,                 4, 0x00000001 },
1368 /* 20 */        { NIG_REG_BMAC0_IN_EN,                 4, 0x00000001 },
1369                 { NIG_REG_XCM0_OUT_EN,                 4, 0x00000001 },
1370                 { NIG_REG_BRB0_OUT_EN,                 4, 0x00000001 },
1371                 { NIG_REG_LLH0_XCM_MASK,               4, 0x00000007 },
1372                 { NIG_REG_LLH0_ACPI_PAT_6_LEN,        68, 0x000000ff },
1373                 { NIG_REG_LLH0_ACPI_PAT_0_CRC,        68, 0xffffffff },
1374                 { NIG_REG_LLH0_DEST_MAC_0_0,         160, 0xffffffff },
1375                 { NIG_REG_LLH0_DEST_IP_0_1,          160, 0xffffffff },
1376                 { NIG_REG_LLH0_IPV4_IPV6_0,          160, 0x00000001 },
1377                 { NIG_REG_LLH0_DEST_UDP_0,           160, 0x0000ffff },
1378 /* 30 */        { NIG_REG_LLH0_DEST_TCP_0,           160, 0x0000ffff },
1379                 { NIG_REG_LLH0_VLAN_ID_0,            160, 0x00000fff },
1380                 { NIG_REG_XGXS_SERDES0_MODE_SEL,       4, 0x00000001 },
1381                 { NIG_REG_LED_CONTROL_OVERRIDE_TRAFFIC_P0, 4, 0x00000001 },
1382                 { NIG_REG_STATUS_INTERRUPT_PORT0,      4, 0x07ffffff },
1383                 { NIG_REG_XGXS0_CTRL_EXTREMOTEMDIOST, 24, 0x00000001 },
1384                 { NIG_REG_SERDES0_CTRL_PHY_ADDR,      16, 0x0000001f },
1385
1386                 { 0xffffffff, 0, 0x00000000 }
1387         };
1388
1389         if (!netif_running(bp->dev))
1390                 return rc;
1391
1392         /* Repeat the test twice:
1393            First by writing 0x00000000, second by writing 0xffffffff */
1394         for (idx = 0; idx < 2; idx++) {
1395
1396                 switch (idx) {
1397                 case 0:
1398                         wr_val = 0;
1399                         break;
1400                 case 1:
1401                         wr_val = 0xffffffff;
1402                         break;
1403                 }
1404
1405                 for (i = 0; reg_tbl[i].offset0 != 0xffffffff; i++) {
1406                         u32 offset, mask, save_val, val;
1407                         if (CHIP_IS_E2(bp) &&
1408                             reg_tbl[i].offset0 == HC_REG_AGG_INT_0)
1409                                 continue;
1410
1411                         offset = reg_tbl[i].offset0 + port*reg_tbl[i].offset1;
1412                         mask = reg_tbl[i].mask;
1413
1414                         save_val = REG_RD(bp, offset);
1415
1416                         REG_WR(bp, offset, wr_val & mask);
1417
1418                         val = REG_RD(bp, offset);
1419
1420                         /* Restore the original register's value */
1421                         REG_WR(bp, offset, save_val);
1422
1423                         /* verify value is as expected */
1424                         if ((val & mask) != (wr_val & mask)) {
1425                                 DP(NETIF_MSG_PROBE,
1426                                    "offset 0x%x: val 0x%x != 0x%x mask 0x%x\n",
1427                                    offset, val, wr_val, mask);
1428                                 goto test_reg_exit;
1429                         }
1430                 }
1431         }
1432
1433         rc = 0;
1434
1435 test_reg_exit:
1436         return rc;
1437 }
1438
1439 static int bnx2x_test_memory(struct bnx2x *bp)
1440 {
1441         int i, j, rc = -ENODEV;
1442         u32 val;
1443         static const struct {
1444                 u32 offset;
1445                 int size;
1446         } mem_tbl[] = {
1447                 { CCM_REG_XX_DESCR_TABLE,   CCM_REG_XX_DESCR_TABLE_SIZE },
1448                 { CFC_REG_ACTIVITY_COUNTER, CFC_REG_ACTIVITY_COUNTER_SIZE },
1449                 { CFC_REG_LINK_LIST,        CFC_REG_LINK_LIST_SIZE },
1450                 { DMAE_REG_CMD_MEM,         DMAE_REG_CMD_MEM_SIZE },
1451                 { TCM_REG_XX_DESCR_TABLE,   TCM_REG_XX_DESCR_TABLE_SIZE },
1452                 { UCM_REG_XX_DESCR_TABLE,   UCM_REG_XX_DESCR_TABLE_SIZE },
1453                 { XCM_REG_XX_DESCR_TABLE,   XCM_REG_XX_DESCR_TABLE_SIZE },
1454
1455                 { 0xffffffff, 0 }
1456         };
1457         static const struct {
1458                 char *name;
1459                 u32 offset;
1460                 u32 e1_mask;
1461                 u32 e1h_mask;
1462                 u32 e2_mask;
1463         } prty_tbl[] = {
1464                 { "CCM_PRTY_STS",  CCM_REG_CCM_PRTY_STS,   0x3ffc0, 0,   0 },
1465                 { "CFC_PRTY_STS",  CFC_REG_CFC_PRTY_STS,   0x2,     0x2, 0 },
1466                 { "DMAE_PRTY_STS", DMAE_REG_DMAE_PRTY_STS, 0,       0,   0 },
1467                 { "TCM_PRTY_STS",  TCM_REG_TCM_PRTY_STS,   0x3ffc0, 0,   0 },
1468                 { "UCM_PRTY_STS",  UCM_REG_UCM_PRTY_STS,   0x3ffc0, 0,   0 },
1469                 { "XCM_PRTY_STS",  XCM_REG_XCM_PRTY_STS,   0x3ffc1, 0,   0 },
1470
1471                 { NULL, 0xffffffff, 0, 0, 0 }
1472         };
1473
1474         if (!netif_running(bp->dev))
1475                 return rc;
1476
1477         /* pre-Check the parity status */
1478         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1479                 val = REG_RD(bp, prty_tbl[i].offset);
1480                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
1481                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask))) ||
1482                     (CHIP_IS_E2(bp) && (val & ~(prty_tbl[i].e2_mask)))) {
1483                         DP(NETIF_MSG_HW,
1484                            "%s is 0x%x\n", prty_tbl[i].name, val);
1485                         goto test_mem_exit;
1486                 }
1487         }
1488
1489         /* Go through all the memories */
1490         for (i = 0; mem_tbl[i].offset != 0xffffffff; i++)
1491                 for (j = 0; j < mem_tbl[i].size; j++)
1492                         REG_RD(bp, mem_tbl[i].offset + j*4);
1493
1494         /* Check the parity status */
1495         for (i = 0; prty_tbl[i].offset != 0xffffffff; i++) {
1496                 val = REG_RD(bp, prty_tbl[i].offset);
1497                 if ((CHIP_IS_E1(bp) && (val & ~(prty_tbl[i].e1_mask))) ||
1498                     (CHIP_IS_E1H(bp) && (val & ~(prty_tbl[i].e1h_mask))) ||
1499                     (CHIP_IS_E2(bp) && (val & ~(prty_tbl[i].e2_mask)))) {
1500                         DP(NETIF_MSG_HW,
1501                            "%s is 0x%x\n", prty_tbl[i].name, val);
1502                         goto test_mem_exit;
1503                 }
1504         }
1505
1506         rc = 0;
1507
1508 test_mem_exit:
1509         return rc;
1510 }
1511
1512 static void bnx2x_wait_for_link(struct bnx2x *bp, u8 link_up, u8 is_serdes)
1513 {
1514         int cnt = 1400;
1515
1516         if (link_up)
1517                 while (bnx2x_link_test(bp, is_serdes) && cnt--)
1518                         msleep(10);
1519 }
1520
1521 static int bnx2x_run_loopback(struct bnx2x *bp, int loopback_mode, u8 link_up)
1522 {
1523         unsigned int pkt_size, num_pkts, i;
1524         struct sk_buff *skb;
1525         unsigned char *packet;
1526         struct bnx2x_fastpath *fp_rx = &bp->fp[0];
1527         struct bnx2x_fastpath *fp_tx = &bp->fp[0];
1528         u16 tx_start_idx, tx_idx;
1529         u16 rx_start_idx, rx_idx;
1530         u16 pkt_prod, bd_prod;
1531         struct sw_tx_bd *tx_buf;
1532         struct eth_tx_start_bd *tx_start_bd;
1533         struct eth_tx_parse_bd_e1x  *pbd_e1x = NULL;
1534         struct eth_tx_parse_bd_e2  *pbd_e2 = NULL;
1535         dma_addr_t mapping;
1536         union eth_rx_cqe *cqe;
1537         u8 cqe_fp_flags;
1538         struct sw_rx_bd *rx_buf;
1539         u16 len;
1540         int rc = -ENODEV;
1541
1542         /* check the loopback mode */
1543         switch (loopback_mode) {
1544         case BNX2X_PHY_LOOPBACK:
1545                 if (bp->link_params.loopback_mode != LOOPBACK_XGXS)
1546                         return -EINVAL;
1547                 break;
1548         case BNX2X_MAC_LOOPBACK:
1549                 bp->link_params.loopback_mode = LOOPBACK_BMAC;
1550                 bnx2x_phy_init(&bp->link_params, &bp->link_vars);
1551                 break;
1552         default:
1553                 return -EINVAL;
1554         }
1555
1556         /* prepare the loopback packet */
1557         pkt_size = (((bp->dev->mtu < ETH_MAX_PACKET_SIZE) ?
1558                      bp->dev->mtu : ETH_MAX_PACKET_SIZE) + ETH_HLEN);
1559         skb = netdev_alloc_skb(bp->dev, fp_rx->rx_buf_size);
1560         if (!skb) {
1561                 rc = -ENOMEM;
1562                 goto test_loopback_exit;
1563         }
1564         packet = skb_put(skb, pkt_size);
1565         memcpy(packet, bp->dev->dev_addr, ETH_ALEN);
1566         memset(packet + ETH_ALEN, 0, ETH_ALEN);
1567         memset(packet + 2*ETH_ALEN, 0x77, (ETH_HLEN - 2*ETH_ALEN));
1568         for (i = ETH_HLEN; i < pkt_size; i++)
1569                 packet[i] = (unsigned char) (i & 0xff);
1570
1571         /* send the loopback packet */
1572         num_pkts = 0;
1573         tx_start_idx = le16_to_cpu(*fp_tx->tx_cons_sb);
1574         rx_start_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1575
1576         pkt_prod = fp_tx->tx_pkt_prod++;
1577         tx_buf = &fp_tx->tx_buf_ring[TX_BD(pkt_prod)];
1578         tx_buf->first_bd = fp_tx->tx_bd_prod;
1579         tx_buf->skb = skb;
1580         tx_buf->flags = 0;
1581
1582         bd_prod = TX_BD(fp_tx->tx_bd_prod);
1583         tx_start_bd = &fp_tx->tx_desc_ring[bd_prod].start_bd;
1584         mapping = dma_map_single(&bp->pdev->dev, skb->data,
1585                                  skb_headlen(skb), DMA_TO_DEVICE);
1586         tx_start_bd->addr_hi = cpu_to_le32(U64_HI(mapping));
1587         tx_start_bd->addr_lo = cpu_to_le32(U64_LO(mapping));
1588         tx_start_bd->nbd = cpu_to_le16(2); /* start + pbd */
1589         tx_start_bd->nbytes = cpu_to_le16(skb_headlen(skb));
1590         tx_start_bd->vlan_or_ethertype = cpu_to_le16(pkt_prod);
1591         tx_start_bd->bd_flags.as_bitfield = ETH_TX_BD_FLAGS_START_BD;
1592         SET_FLAG(tx_start_bd->general_data,
1593                  ETH_TX_START_BD_ETH_ADDR_TYPE,
1594                  UNICAST_ADDRESS);
1595         SET_FLAG(tx_start_bd->general_data,
1596                  ETH_TX_START_BD_HDR_NBDS,
1597                  1);
1598
1599         /* turn on parsing and get a BD */
1600         bd_prod = TX_BD(NEXT_TX_IDX(bd_prod));
1601
1602         pbd_e1x = &fp_tx->tx_desc_ring[bd_prod].parse_bd_e1x;
1603         pbd_e2 = &fp_tx->tx_desc_ring[bd_prod].parse_bd_e2;
1604
1605         memset(pbd_e2, 0, sizeof(struct eth_tx_parse_bd_e2));
1606         memset(pbd_e1x, 0, sizeof(struct eth_tx_parse_bd_e1x));
1607
1608         wmb();
1609
1610         fp_tx->tx_db.data.prod += 2;
1611         barrier();
1612         DOORBELL(bp, fp_tx->index, fp_tx->tx_db.raw);
1613
1614         mmiowb();
1615
1616         num_pkts++;
1617         fp_tx->tx_bd_prod += 2; /* start + pbd */
1618
1619         udelay(100);
1620
1621         tx_idx = le16_to_cpu(*fp_tx->tx_cons_sb);
1622         if (tx_idx != tx_start_idx + num_pkts)
1623                 goto test_loopback_exit;
1624
1625         /* Unlike HC IGU won't generate an interrupt for status block
1626          * updates that have been performed while interrupts were
1627          * disabled.
1628          */
1629         if (bp->common.int_block == INT_BLOCK_IGU) {
1630                 /* Disable local BHes to prevent a dead-lock situation between
1631                  * sch_direct_xmit() and bnx2x_run_loopback() (calling
1632                  * bnx2x_tx_int()), as both are taking netif_tx_lock().
1633                  */
1634                 local_bh_disable();
1635                 bnx2x_tx_int(fp_tx);
1636                 local_bh_enable();
1637         }
1638
1639         rx_idx = le16_to_cpu(*fp_rx->rx_cons_sb);
1640         if (rx_idx != rx_start_idx + num_pkts)
1641                 goto test_loopback_exit;
1642
1643         cqe = &fp_rx->rx_comp_ring[RCQ_BD(fp_rx->rx_comp_cons)];
1644         cqe_fp_flags = cqe->fast_path_cqe.type_error_flags;
1645         if (CQE_TYPE(cqe_fp_flags) || (cqe_fp_flags & ETH_RX_ERROR_FALGS))
1646                 goto test_loopback_rx_exit;
1647
1648         len = le16_to_cpu(cqe->fast_path_cqe.pkt_len);
1649         if (len != pkt_size)
1650                 goto test_loopback_rx_exit;
1651
1652         rx_buf = &fp_rx->rx_buf_ring[RX_BD(fp_rx->rx_bd_cons)];
1653         skb = rx_buf->skb;
1654         skb_reserve(skb, cqe->fast_path_cqe.placement_offset);
1655         for (i = ETH_HLEN; i < pkt_size; i++)
1656                 if (*(skb->data + i) != (unsigned char) (i & 0xff))
1657                         goto test_loopback_rx_exit;
1658
1659         rc = 0;
1660
1661 test_loopback_rx_exit:
1662
1663         fp_rx->rx_bd_cons = NEXT_RX_IDX(fp_rx->rx_bd_cons);
1664         fp_rx->rx_bd_prod = NEXT_RX_IDX(fp_rx->rx_bd_prod);
1665         fp_rx->rx_comp_cons = NEXT_RCQ_IDX(fp_rx->rx_comp_cons);
1666         fp_rx->rx_comp_prod = NEXT_RCQ_IDX(fp_rx->rx_comp_prod);
1667
1668         /* Update producers */
1669         bnx2x_update_rx_prod(bp, fp_rx, fp_rx->rx_bd_prod, fp_rx->rx_comp_prod,
1670                              fp_rx->rx_sge_prod);
1671
1672 test_loopback_exit:
1673         bp->link_params.loopback_mode = LOOPBACK_NONE;
1674
1675         return rc;
1676 }
1677
1678 static int bnx2x_test_loopback(struct bnx2x *bp, u8 link_up)
1679 {
1680         int rc = 0, res;
1681
1682         if (BP_NOMCP(bp))
1683                 return rc;
1684
1685         if (!netif_running(bp->dev))
1686                 return BNX2X_LOOPBACK_FAILED;
1687
1688         bnx2x_netif_stop(bp, 1);
1689         bnx2x_acquire_phy_lock(bp);
1690
1691         res = bnx2x_run_loopback(bp, BNX2X_PHY_LOOPBACK, link_up);
1692         if (res) {
1693                 DP(NETIF_MSG_PROBE, "  PHY loopback failed  (res %d)\n", res);
1694                 rc |= BNX2X_PHY_LOOPBACK_FAILED;
1695         }
1696
1697         res = bnx2x_run_loopback(bp, BNX2X_MAC_LOOPBACK, link_up);
1698         if (res) {
1699                 DP(NETIF_MSG_PROBE, "  MAC loopback failed  (res %d)\n", res);
1700                 rc |= BNX2X_MAC_LOOPBACK_FAILED;
1701         }
1702
1703         bnx2x_release_phy_lock(bp);
1704         bnx2x_netif_start(bp);
1705
1706         return rc;
1707 }
1708
1709 #define CRC32_RESIDUAL                  0xdebb20e3
1710
1711 static int bnx2x_test_nvram(struct bnx2x *bp)
1712 {
1713         static const struct {
1714                 int offset;
1715                 int size;
1716         } nvram_tbl[] = {
1717                 {     0,  0x14 }, /* bootstrap */
1718                 {  0x14,  0xec }, /* dir */
1719                 { 0x100, 0x350 }, /* manuf_info */
1720                 { 0x450,  0xf0 }, /* feature_info */
1721                 { 0x640,  0x64 }, /* upgrade_key_info */
1722                 { 0x708,  0x70 }, /* manuf_key_info */
1723                 {     0,     0 }
1724         };
1725         __be32 buf[0x350 / 4];
1726         u8 *data = (u8 *)buf;
1727         int i, rc;
1728         u32 magic, crc;
1729
1730         if (BP_NOMCP(bp))
1731                 return 0;
1732
1733         rc = bnx2x_nvram_read(bp, 0, data, 4);
1734         if (rc) {
1735                 DP(NETIF_MSG_PROBE, "magic value read (rc %d)\n", rc);
1736                 goto test_nvram_exit;
1737         }
1738
1739         magic = be32_to_cpu(buf[0]);
1740         if (magic != 0x669955aa) {
1741                 DP(NETIF_MSG_PROBE, "magic value (0x%08x)\n", magic);
1742                 rc = -ENODEV;
1743                 goto test_nvram_exit;
1744         }
1745
1746         for (i = 0; nvram_tbl[i].size; i++) {
1747
1748                 rc = bnx2x_nvram_read(bp, nvram_tbl[i].offset, data,
1749                                       nvram_tbl[i].size);
1750                 if (rc) {
1751                         DP(NETIF_MSG_PROBE,
1752                            "nvram_tbl[%d] read data (rc %d)\n", i, rc);
1753                         goto test_nvram_exit;
1754                 }
1755
1756                 crc = ether_crc_le(nvram_tbl[i].size, data);
1757                 if (crc != CRC32_RESIDUAL) {
1758                         DP(NETIF_MSG_PROBE,
1759                            "nvram_tbl[%d] crc value (0x%08x)\n", i, crc);
1760                         rc = -ENODEV;
1761                         goto test_nvram_exit;
1762                 }
1763         }
1764
1765 test_nvram_exit:
1766         return rc;
1767 }
1768
1769 static int bnx2x_test_intr(struct bnx2x *bp)
1770 {
1771         struct mac_configuration_cmd *config = bnx2x_sp(bp, mac_config);
1772         int i, rc;
1773
1774         if (!netif_running(bp->dev))
1775                 return -ENODEV;
1776
1777         config->hdr.length = 0;
1778         if (CHIP_IS_E1(bp))
1779                 config->hdr.offset = (BP_PORT(bp) ? 32 : 0);
1780         else
1781                 config->hdr.offset = BP_FUNC(bp);
1782         config->hdr.client_id = bp->fp->cl_id;
1783         config->hdr.reserved1 = 0;
1784
1785         bp->set_mac_pending = 1;
1786         smp_wmb();
1787         rc = bnx2x_sp_post(bp, RAMROD_CMD_ID_COMMON_SET_MAC, 0,
1788                            U64_HI(bnx2x_sp_mapping(bp, mac_config)),
1789                            U64_LO(bnx2x_sp_mapping(bp, mac_config)), 1);
1790         if (rc == 0) {
1791                 for (i = 0; i < 10; i++) {
1792                         if (!bp->set_mac_pending)
1793                                 break;
1794                         smp_rmb();
1795                         msleep_interruptible(10);
1796                 }
1797                 if (i == 10)
1798                         rc = -ENODEV;
1799         }
1800
1801         return rc;
1802 }
1803
1804 static void bnx2x_self_test(struct net_device *dev,
1805                             struct ethtool_test *etest, u64 *buf)
1806 {
1807         struct bnx2x *bp = netdev_priv(dev);
1808         u8 is_serdes;
1809         if (bp->recovery_state != BNX2X_RECOVERY_DONE) {
1810                 printk(KERN_ERR "Handling parity error recovery. Try again later\n");
1811                 etest->flags |= ETH_TEST_FL_FAILED;
1812                 return;
1813         }
1814
1815         memset(buf, 0, sizeof(u64) * BNX2X_NUM_TESTS);
1816
1817         if (!netif_running(dev))
1818                 return;
1819
1820         /* offline tests are not supported in MF mode */
1821         if (IS_MF(bp))
1822                 etest->flags &= ~ETH_TEST_FL_OFFLINE;
1823         is_serdes = (bp->link_vars.link_status & LINK_STATUS_SERDES_LINK) > 0;
1824
1825         if (etest->flags & ETH_TEST_FL_OFFLINE) {
1826                 int port = BP_PORT(bp);
1827                 u32 val;
1828                 u8 link_up;
1829
1830                 /* save current value of input enable for TX port IF */
1831                 val = REG_RD(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4);
1832                 /* disable input for TX port IF */
1833                 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, 0);
1834
1835                 link_up = bp->link_vars.link_up;
1836
1837                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1838                 bnx2x_nic_load(bp, LOAD_DIAG);
1839                 /* wait until link state is restored */
1840                 bnx2x_wait_for_link(bp, link_up, is_serdes);
1841
1842                 if (bnx2x_test_registers(bp) != 0) {
1843                         buf[0] = 1;
1844                         etest->flags |= ETH_TEST_FL_FAILED;
1845                 }
1846                 if (bnx2x_test_memory(bp) != 0) {
1847                         buf[1] = 1;
1848                         etest->flags |= ETH_TEST_FL_FAILED;
1849                 }
1850
1851                 buf[2] = bnx2x_test_loopback(bp, link_up);
1852                 if (buf[2] != 0)
1853                         etest->flags |= ETH_TEST_FL_FAILED;
1854
1855                 bnx2x_nic_unload(bp, UNLOAD_NORMAL);
1856
1857                 /* restore input for TX port IF */
1858                 REG_WR(bp, NIG_REG_EGRESS_UMP0_IN_EN + port*4, val);
1859
1860                 bnx2x_nic_load(bp, LOAD_NORMAL);
1861                 /* wait until link state is restored */
1862                 bnx2x_wait_for_link(bp, link_up, is_serdes);
1863         }
1864         if (bnx2x_test_nvram(bp) != 0) {
1865                 buf[3] = 1;
1866                 etest->flags |= ETH_TEST_FL_FAILED;
1867         }
1868         if (bnx2x_test_intr(bp) != 0) {
1869                 buf[4] = 1;
1870                 etest->flags |= ETH_TEST_FL_FAILED;
1871         }
1872
1873         if (bnx2x_link_test(bp, is_serdes) != 0) {
1874                 buf[5] = 1;
1875                 etest->flags |= ETH_TEST_FL_FAILED;
1876         }
1877
1878 #ifdef BNX2X_EXTRA_DEBUG
1879         bnx2x_panic_dump(bp);
1880 #endif
1881 }
1882
1883 #define IS_PORT_STAT(i) \
1884         ((bnx2x_stats_arr[i].flags & STATS_FLAGS_BOTH) == STATS_FLAGS_PORT)
1885 #define IS_FUNC_STAT(i)         (bnx2x_stats_arr[i].flags & STATS_FLAGS_FUNC)
1886 #define IS_MF_MODE_STAT(bp) \
1887                         (IS_MF(bp) && !(bp->msg_enable & BNX2X_MSG_STATS))
1888
1889 static int bnx2x_get_sset_count(struct net_device *dev, int stringset)
1890 {
1891         struct bnx2x *bp = netdev_priv(dev);
1892         int i, num_stats;
1893
1894         switch (stringset) {
1895         case ETH_SS_STATS:
1896                 if (is_multi(bp)) {
1897                         num_stats = BNX2X_NUM_STAT_QUEUES(bp) *
1898                                 BNX2X_NUM_Q_STATS;
1899                         if (!IS_MF_MODE_STAT(bp))
1900                                 num_stats += BNX2X_NUM_STATS;
1901                 } else {
1902                         if (IS_MF_MODE_STAT(bp)) {
1903                                 num_stats = 0;
1904                                 for (i = 0; i < BNX2X_NUM_STATS; i++)
1905                                         if (IS_FUNC_STAT(i))
1906                                                 num_stats++;
1907                         } else
1908                                 num_stats = BNX2X_NUM_STATS;
1909                 }
1910                 return num_stats;
1911
1912         case ETH_SS_TEST:
1913                 return BNX2X_NUM_TESTS;
1914
1915         default:
1916                 return -EINVAL;
1917         }
1918 }
1919
1920 static void bnx2x_get_strings(struct net_device *dev, u32 stringset, u8 *buf)
1921 {
1922         struct bnx2x *bp = netdev_priv(dev);
1923         int i, j, k;
1924         char queue_name[MAX_QUEUE_NAME_LEN+1];
1925
1926         switch (stringset) {
1927         case ETH_SS_STATS:
1928                 if (is_multi(bp)) {
1929                         k = 0;
1930                         for_each_napi_queue(bp, i) {
1931                                 memset(queue_name, 0, sizeof(queue_name));
1932
1933                                 if (IS_FCOE_IDX(i))
1934                                         sprintf(queue_name, "fcoe");
1935                                 else
1936                                         sprintf(queue_name, "%d", i);
1937
1938                                 for (j = 0; j < BNX2X_NUM_Q_STATS; j++)
1939                                         snprintf(buf + (k + j)*ETH_GSTRING_LEN,
1940                                                 ETH_GSTRING_LEN,
1941                                                 bnx2x_q_stats_arr[j].string,
1942                                                 queue_name);
1943                                 k += BNX2X_NUM_Q_STATS;
1944                         }
1945                         if (IS_MF_MODE_STAT(bp))
1946                                 break;
1947                         for (j = 0; j < BNX2X_NUM_STATS; j++)
1948                                 strcpy(buf + (k + j)*ETH_GSTRING_LEN,
1949                                        bnx2x_stats_arr[j].string);
1950                 } else {
1951                         for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
1952                                 if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
1953                                         continue;
1954                                 strcpy(buf + j*ETH_GSTRING_LEN,
1955                                        bnx2x_stats_arr[i].string);
1956                                 j++;
1957                         }
1958                 }
1959                 break;
1960
1961         case ETH_SS_TEST:
1962                 memcpy(buf, bnx2x_tests_str_arr, sizeof(bnx2x_tests_str_arr));
1963                 break;
1964         }
1965 }
1966
1967 static void bnx2x_get_ethtool_stats(struct net_device *dev,
1968                                     struct ethtool_stats *stats, u64 *buf)
1969 {
1970         struct bnx2x *bp = netdev_priv(dev);
1971         u32 *hw_stats, *offset;
1972         int i, j, k;
1973
1974         if (is_multi(bp)) {
1975                 k = 0;
1976                 for_each_napi_queue(bp, i) {
1977                         hw_stats = (u32 *)&bp->fp[i].eth_q_stats;
1978                         for (j = 0; j < BNX2X_NUM_Q_STATS; j++) {
1979                                 if (bnx2x_q_stats_arr[j].size == 0) {
1980                                         /* skip this counter */
1981                                         buf[k + j] = 0;
1982                                         continue;
1983                                 }
1984                                 offset = (hw_stats +
1985                                           bnx2x_q_stats_arr[j].offset);
1986                                 if (bnx2x_q_stats_arr[j].size == 4) {
1987                                         /* 4-byte counter */
1988                                         buf[k + j] = (u64) *offset;
1989                                         continue;
1990                                 }
1991                                 /* 8-byte counter */
1992                                 buf[k + j] = HILO_U64(*offset, *(offset + 1));
1993                         }
1994                         k += BNX2X_NUM_Q_STATS;
1995                 }
1996                 if (IS_MF_MODE_STAT(bp))
1997                         return;
1998                 hw_stats = (u32 *)&bp->eth_stats;
1999                 for (j = 0; j < BNX2X_NUM_STATS; j++) {
2000                         if (bnx2x_stats_arr[j].size == 0) {
2001                                 /* skip this counter */
2002                                 buf[k + j] = 0;
2003                                 continue;
2004                         }
2005                         offset = (hw_stats + bnx2x_stats_arr[j].offset);
2006                         if (bnx2x_stats_arr[j].size == 4) {
2007                                 /* 4-byte counter */
2008                                 buf[k + j] = (u64) *offset;
2009                                 continue;
2010                         }
2011                         /* 8-byte counter */
2012                         buf[k + j] = HILO_U64(*offset, *(offset + 1));
2013                 }
2014         } else {
2015                 hw_stats = (u32 *)&bp->eth_stats;
2016                 for (i = 0, j = 0; i < BNX2X_NUM_STATS; i++) {
2017                         if (IS_MF_MODE_STAT(bp) && IS_PORT_STAT(i))
2018                                 continue;
2019                         if (bnx2x_stats_arr[i].size == 0) {
2020                                 /* skip this counter */
2021                                 buf[j] = 0;
2022                                 j++;
2023                                 continue;
2024                         }
2025                         offset = (hw_stats + bnx2x_stats_arr[i].offset);
2026                         if (bnx2x_stats_arr[i].size == 4) {
2027                                 /* 4-byte counter */
2028                                 buf[j] = (u64) *offset;
2029                                 j++;
2030                                 continue;
2031                         }
2032                         /* 8-byte counter */
2033                         buf[j] = HILO_U64(*offset, *(offset + 1));
2034                         j++;
2035                 }
2036         }
2037 }
2038
2039 static int bnx2x_set_phys_id(struct net_device *dev,
2040                              enum ethtool_phys_id_state state)
2041 {
2042         struct bnx2x *bp = netdev_priv(dev);
2043
2044         if (!netif_running(dev))
2045                 return -EAGAIN;
2046
2047         if (!bp->port.pmf)
2048                 return -EOPNOTSUPP;
2049
2050         switch (state) {
2051         case ETHTOOL_ID_ACTIVE:
2052                 return 1;       /* cycle on/off once per second */
2053
2054         case ETHTOOL_ID_ON:
2055                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2056                               LED_MODE_ON, SPEED_1000);
2057                 break;
2058
2059         case ETHTOOL_ID_OFF:
2060                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2061                               LED_MODE_FRONT_PANEL_OFF, 0);
2062
2063                 break;
2064
2065         case ETHTOOL_ID_INACTIVE:
2066                 bnx2x_set_led(&bp->link_params, &bp->link_vars,
2067                               LED_MODE_OPER,
2068                               bp->link_vars.line_speed);
2069         }
2070
2071         return 0;
2072 }
2073
2074 static int bnx2x_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info,
2075                            void *rules __always_unused)
2076 {
2077         struct bnx2x *bp = netdev_priv(dev);
2078
2079         switch (info->cmd) {
2080         case ETHTOOL_GRXRINGS:
2081                 info->data = BNX2X_NUM_ETH_QUEUES(bp);
2082                 return 0;
2083
2084         default:
2085                 return -EOPNOTSUPP;
2086         }
2087 }
2088
2089 static int bnx2x_get_rxfh_indir(struct net_device *dev,
2090                                 struct ethtool_rxfh_indir *indir)
2091 {
2092         struct bnx2x *bp = netdev_priv(dev);
2093         size_t copy_size =
2094                 min_t(size_t, indir->size, TSTORM_INDIRECTION_TABLE_SIZE);
2095
2096         if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
2097                 return -EOPNOTSUPP;
2098
2099         indir->size = TSTORM_INDIRECTION_TABLE_SIZE;
2100         memcpy(indir->ring_index, bp->rx_indir_table,
2101                copy_size * sizeof(bp->rx_indir_table[0]));
2102         return 0;
2103 }
2104
2105 static int bnx2x_set_rxfh_indir(struct net_device *dev,
2106                                 const struct ethtool_rxfh_indir *indir)
2107 {
2108         struct bnx2x *bp = netdev_priv(dev);
2109         size_t i;
2110
2111         if (bp->multi_mode == ETH_RSS_MODE_DISABLED)
2112                 return -EOPNOTSUPP;
2113
2114         /* Validate size and indices */
2115         if (indir->size != TSTORM_INDIRECTION_TABLE_SIZE)
2116                 return -EINVAL;
2117         for (i = 0; i < TSTORM_INDIRECTION_TABLE_SIZE; i++)
2118                 if (indir->ring_index[i] >= BNX2X_NUM_ETH_QUEUES(bp))
2119                         return -EINVAL;
2120
2121         memcpy(bp->rx_indir_table, indir->ring_index,
2122                indir->size * sizeof(bp->rx_indir_table[0]));
2123         bnx2x_push_indir_table(bp);
2124         return 0;
2125 }
2126
2127 static const struct ethtool_ops bnx2x_ethtool_ops = {
2128         .get_settings           = bnx2x_get_settings,
2129         .set_settings           = bnx2x_set_settings,
2130         .get_drvinfo            = bnx2x_get_drvinfo,
2131         .get_regs_len           = bnx2x_get_regs_len,
2132         .get_regs               = bnx2x_get_regs,
2133         .get_wol                = bnx2x_get_wol,
2134         .set_wol                = bnx2x_set_wol,
2135         .get_msglevel           = bnx2x_get_msglevel,
2136         .set_msglevel           = bnx2x_set_msglevel,
2137         .nway_reset             = bnx2x_nway_reset,
2138         .get_link               = bnx2x_get_link,
2139         .get_eeprom_len         = bnx2x_get_eeprom_len,
2140         .get_eeprom             = bnx2x_get_eeprom,
2141         .set_eeprom             = bnx2x_set_eeprom,
2142         .get_coalesce           = bnx2x_get_coalesce,
2143         .set_coalesce           = bnx2x_set_coalesce,
2144         .get_ringparam          = bnx2x_get_ringparam,
2145         .set_ringparam          = bnx2x_set_ringparam,
2146         .get_pauseparam         = bnx2x_get_pauseparam,
2147         .set_pauseparam         = bnx2x_set_pauseparam,
2148         .self_test              = bnx2x_self_test,
2149         .get_sset_count         = bnx2x_get_sset_count,
2150         .get_strings            = bnx2x_get_strings,
2151         .set_phys_id            = bnx2x_set_phys_id,
2152         .get_ethtool_stats      = bnx2x_get_ethtool_stats,
2153         .get_rxnfc              = bnx2x_get_rxnfc,
2154         .get_rxfh_indir         = bnx2x_get_rxfh_indir,
2155         .set_rxfh_indir         = bnx2x_set_rxfh_indir,
2156 };
2157
2158 void bnx2x_set_ethtool_ops(struct net_device *netdev)
2159 {
2160         SET_ETHTOOL_OPS(netdev, &bnx2x_ethtool_ops);
2161 }