be2net: cleanup wake-on-lan code
[cascardo/linux.git] / drivers / net / ethernet / emulex / benet / be_ethtool.c
1 /*
2  * Copyright (C) 2005 - 2013 Emulex
3  * All rights reserved.
4  *
5  * This program is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU General Public License version 2
7  * as published by the Free Software Foundation.  The full GNU General
8  * Public License is included in this distribution in the file called COPYING.
9  *
10  * Contact Information:
11  * linux-drivers@emulex.com
12  *
13  * Emulex
14  * 3333 Susan Street
15  * Costa Mesa, CA 92626
16  */
17
18 #include "be.h"
19 #include "be_cmds.h"
20 #include <linux/ethtool.h>
21
22 struct be_ethtool_stat {
23         char desc[ETH_GSTRING_LEN];
24         int type;
25         int size;
26         int offset;
27 };
28
29 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
30 #define FIELDINFO(_struct, field) FIELD_SIZEOF(_struct, field), \
31                                         offsetof(_struct, field)
32 #define DRVSTAT_TX_INFO(field)  #field, DRVSTAT_TX,\
33                                         FIELDINFO(struct be_tx_stats, field)
34 #define DRVSTAT_RX_INFO(field)  #field, DRVSTAT_RX,\
35                                         FIELDINFO(struct be_rx_stats, field)
36 #define DRVSTAT_INFO(field)     #field, DRVSTAT,\
37                                         FIELDINFO(struct be_drv_stats, field)
38
39 static const struct be_ethtool_stat et_stats[] = {
40         {DRVSTAT_INFO(rx_crc_errors)},
41         {DRVSTAT_INFO(rx_alignment_symbol_errors)},
42         {DRVSTAT_INFO(rx_pause_frames)},
43         {DRVSTAT_INFO(rx_control_frames)},
44         /* Received packets dropped when the Ethernet length field
45          * is not equal to the actual Ethernet data length.
46          */
47         {DRVSTAT_INFO(rx_in_range_errors)},
48         /* Received packets dropped when their length field is >= 1501 bytes
49          * and <= 1535 bytes.
50          */
51         {DRVSTAT_INFO(rx_out_range_errors)},
52         /* Received packets dropped when they are longer than 9216 bytes */
53         {DRVSTAT_INFO(rx_frame_too_long)},
54         /* Received packets dropped when they don't pass the unicast or
55          * multicast address filtering.
56          */
57         {DRVSTAT_INFO(rx_address_filtered)},
58         /* Received packets dropped when IP packet length field is less than
59          * the IP header length field.
60          */
61         {DRVSTAT_INFO(rx_dropped_too_small)},
62         /* Received packets dropped when IP length field is greater than
63          * the actual packet length.
64          */
65         {DRVSTAT_INFO(rx_dropped_too_short)},
66         /* Received packets dropped when the IP header length field is less
67          * than 5.
68          */
69         {DRVSTAT_INFO(rx_dropped_header_too_small)},
70         /* Received packets dropped when the TCP header length field is less
71          * than 5 or the TCP header length + IP header length is more
72          * than IP packet length.
73          */
74         {DRVSTAT_INFO(rx_dropped_tcp_length)},
75         {DRVSTAT_INFO(rx_dropped_runt)},
76         /* Number of received packets dropped when a fifo for descriptors going
77          * into the packet demux block overflows. In normal operation, this
78          * fifo must never overflow.
79          */
80         {DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
81         {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
82         {DRVSTAT_INFO(rx_ip_checksum_errs)},
83         {DRVSTAT_INFO(rx_tcp_checksum_errs)},
84         {DRVSTAT_INFO(rx_udp_checksum_errs)},
85         {DRVSTAT_INFO(tx_pauseframes)},
86         {DRVSTAT_INFO(tx_controlframes)},
87         {DRVSTAT_INFO(rx_priority_pause_frames)},
88         {DRVSTAT_INFO(tx_priority_pauseframes)},
89         /* Received packets dropped when an internal fifo going into
90          * main packet buffer tank (PMEM) overflows.
91          */
92         {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
93         {DRVSTAT_INFO(jabber_events)},
94         /* Received packets dropped due to lack of available HW packet buffers
95          * used to temporarily hold the received packets.
96          */
97         {DRVSTAT_INFO(rx_drops_no_pbuf)},
98         /* Received packets dropped due to input receive buffer
99          * descriptor fifo overflowing.
100          */
101         {DRVSTAT_INFO(rx_drops_no_erx_descr)},
102         /* Packets dropped because the internal FIFO to the offloaded TCP
103          * receive processing block is full. This could happen only for
104          * offloaded iSCSI or FCoE trarffic.
105          */
106         {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
107         /* Received packets dropped when they need more than 8
108          * receive buffers. This cannot happen as the driver configures
109          * 2048 byte receive buffers.
110          */
111         {DRVSTAT_INFO(rx_drops_too_many_frags)},
112         {DRVSTAT_INFO(forwarded_packets)},
113         /* Received packets dropped when the frame length
114          * is more than 9018 bytes
115          */
116         {DRVSTAT_INFO(rx_drops_mtu)},
117         /* Number of packets dropped due to random early drop function */
118         {DRVSTAT_INFO(eth_red_drops)},
119         {DRVSTAT_INFO(be_on_die_temperature)},
120         {DRVSTAT_INFO(rx_roce_bytes_lsd)},
121         {DRVSTAT_INFO(rx_roce_bytes_msd)},
122         {DRVSTAT_INFO(rx_roce_frames)},
123         {DRVSTAT_INFO(roce_drops_payload_len)},
124         {DRVSTAT_INFO(roce_drops_crc)}
125 };
126 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
127
128 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
129  * are first and second members respectively.
130  */
131 static const struct be_ethtool_stat et_rx_stats[] = {
132         {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
133         {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
134         {DRVSTAT_RX_INFO(rx_compl)},
135         {DRVSTAT_RX_INFO(rx_mcast_pkts)},
136         /* Number of page allocation failures while posting receive buffers
137          * to HW.
138          */
139         {DRVSTAT_RX_INFO(rx_post_fail)},
140         /* Recevied packets dropped due to skb allocation failure */
141         {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
142         /* Received packets dropped due to lack of available fetched buffers
143          * posted by the driver.
144          */
145         {DRVSTAT_RX_INFO(rx_drops_no_frags)}
146 };
147 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
148
149 /* Stats related to multi TX queues: get_stats routine assumes compl is the
150  * first member
151  */
152 static const struct be_ethtool_stat et_tx_stats[] = {
153         {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
154         {DRVSTAT_TX_INFO(tx_bytes)},
155         {DRVSTAT_TX_INFO(tx_pkts)},
156         /* Number of skbs queued for trasmission by the driver */
157         {DRVSTAT_TX_INFO(tx_reqs)},
158         /* Number of TX work request blocks DMAed to HW */
159         {DRVSTAT_TX_INFO(tx_wrbs)},
160         /* Number of times the TX queue was stopped due to lack
161          * of spaces in the TXQ.
162          */
163         {DRVSTAT_TX_INFO(tx_stops)},
164         /* Pkts dropped in the driver's transmit path */
165         {DRVSTAT_TX_INFO(tx_drv_drops)}
166 };
167 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
168
169 static const char et_self_tests[][ETH_GSTRING_LEN] = {
170         "MAC Loopback test",
171         "PHY Loopback test",
172         "External Loopback test",
173         "DDR DMA test",
174         "Link test"
175 };
176
177 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
178 #define BE_MAC_LOOPBACK 0x0
179 #define BE_PHY_LOOPBACK 0x1
180 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
181 #define BE_NO_LOOPBACK 0xff
182
183 static void be_get_drvinfo(struct net_device *netdev,
184                                 struct ethtool_drvinfo *drvinfo)
185 {
186         struct be_adapter *adapter = netdev_priv(netdev);
187
188         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
189         strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
190         if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
191                 strlcpy(drvinfo->fw_version, adapter->fw_ver,
192                         sizeof(drvinfo->fw_version));
193         else
194                 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
195                          "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
196
197         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
198                 sizeof(drvinfo->bus_info));
199         drvinfo->testinfo_len = 0;
200         drvinfo->regdump_len = 0;
201         drvinfo->eedump_len = 0;
202 }
203
204 static u32
205 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
206 {
207         u32 data_read = 0, eof;
208         u8 addn_status;
209         struct be_dma_mem data_len_cmd;
210         int status;
211
212         memset(&data_len_cmd, 0, sizeof(data_len_cmd));
213         /* data_offset and data_size should be 0 to get reg len */
214         status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
215                                 file_name, &data_read, &eof, &addn_status);
216
217         return data_read;
218 }
219
220 static int
221 lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
222                 u32 buf_len, void *buf)
223 {
224         struct be_dma_mem read_cmd;
225         u32 read_len = 0, total_read_len = 0, chunk_size;
226         u32 eof = 0;
227         u8 addn_status;
228         int status = 0;
229
230         read_cmd.size = LANCER_READ_FILE_CHUNK;
231         read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size,
232                         &read_cmd.dma);
233
234         if (!read_cmd.va) {
235                 dev_err(&adapter->pdev->dev,
236                                 "Memory allocation failure while reading dump\n");
237                 return -ENOMEM;
238         }
239
240         while ((total_read_len < buf_len) && !eof) {
241                 chunk_size = min_t(u32, (buf_len - total_read_len),
242                                 LANCER_READ_FILE_CHUNK);
243                 chunk_size = ALIGN(chunk_size, 4);
244                 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
245                                 total_read_len, file_name, &read_len,
246                                 &eof, &addn_status);
247                 if (!status) {
248                         memcpy(buf + total_read_len, read_cmd.va, read_len);
249                         total_read_len += read_len;
250                         eof &= LANCER_READ_FILE_EOF_MASK;
251                 } else {
252                         status = -EIO;
253                         break;
254                 }
255         }
256         pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va,
257                         read_cmd.dma);
258
259         return status;
260 }
261
262 static int
263 be_get_reg_len(struct net_device *netdev)
264 {
265         struct be_adapter *adapter = netdev_priv(netdev);
266         u32 log_size = 0;
267
268         if (!check_privilege(adapter, MAX_PRIVILEGES))
269                 return 0;
270
271         if (be_physfn(adapter)) {
272                 if (lancer_chip(adapter))
273                         log_size = lancer_cmd_get_file_len(adapter,
274                                         LANCER_FW_DUMP_FILE);
275                 else
276                         be_cmd_get_reg_len(adapter, &log_size);
277         }
278         return log_size;
279 }
280
281 static void
282 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
283 {
284         struct be_adapter *adapter = netdev_priv(netdev);
285
286         if (be_physfn(adapter)) {
287                 memset(buf, 0, regs->len);
288                 if (lancer_chip(adapter))
289                         lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
290                                         regs->len, buf);
291                 else
292                         be_cmd_get_regs(adapter, regs->len, buf);
293         }
294 }
295
296 static int be_get_coalesce(struct net_device *netdev,
297                            struct ethtool_coalesce *et)
298 {
299         struct be_adapter *adapter = netdev_priv(netdev);
300         struct be_aic_obj *aic = &adapter->aic_obj[0];
301
302
303         et->rx_coalesce_usecs = aic->prev_eqd;
304         et->rx_coalesce_usecs_high = aic->max_eqd;
305         et->rx_coalesce_usecs_low = aic->min_eqd;
306
307         et->tx_coalesce_usecs = aic->prev_eqd;
308         et->tx_coalesce_usecs_high = aic->max_eqd;
309         et->tx_coalesce_usecs_low = aic->min_eqd;
310
311         et->use_adaptive_rx_coalesce = aic->enable;
312         et->use_adaptive_tx_coalesce = aic->enable;
313
314         return 0;
315 }
316
317 /* TX attributes are ignored. Only RX attributes are considered
318  * eqd cmd is issued in the worker thread.
319  */
320 static int be_set_coalesce(struct net_device *netdev,
321                            struct ethtool_coalesce *et)
322 {
323         struct be_adapter *adapter = netdev_priv(netdev);
324         struct be_aic_obj *aic = &adapter->aic_obj[0];
325         struct be_eq_obj *eqo;
326         int i;
327
328         for_all_evt_queues(adapter, eqo, i) {
329                 aic->enable = et->use_adaptive_rx_coalesce;
330                 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
331                 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
332                 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
333                 aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
334                 aic++;
335         }
336
337         return 0;
338 }
339
340 static void
341 be_get_ethtool_stats(struct net_device *netdev,
342                 struct ethtool_stats *stats, uint64_t *data)
343 {
344         struct be_adapter *adapter = netdev_priv(netdev);
345         struct be_rx_obj *rxo;
346         struct be_tx_obj *txo;
347         void *p;
348         unsigned int i, j, base = 0, start;
349
350         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
351                 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
352                 data[i] = *(u32 *)p;
353         }
354         base += ETHTOOL_STATS_NUM;
355
356         for_all_rx_queues(adapter, rxo, j) {
357                 struct be_rx_stats *stats = rx_stats(rxo);
358
359                 do {
360                         start = u64_stats_fetch_begin_bh(&stats->sync);
361                         data[base] = stats->rx_bytes;
362                         data[base + 1] = stats->rx_pkts;
363                 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
364
365                 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
366                         p = (u8 *)stats + et_rx_stats[i].offset;
367                         data[base + i] = *(u32 *)p;
368                 }
369                 base += ETHTOOL_RXSTATS_NUM;
370         }
371
372         for_all_tx_queues(adapter, txo, j) {
373                 struct be_tx_stats *stats = tx_stats(txo);
374
375                 do {
376                         start = u64_stats_fetch_begin_bh(&stats->sync_compl);
377                         data[base] = stats->tx_compl;
378                 } while (u64_stats_fetch_retry_bh(&stats->sync_compl, start));
379
380                 do {
381                         start = u64_stats_fetch_begin_bh(&stats->sync);
382                         for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
383                                 p = (u8 *)stats + et_tx_stats[i].offset;
384                                 data[base + i] =
385                                         (et_tx_stats[i].size == sizeof(u64)) ?
386                                                 *(u64 *)p : *(u32 *)p;
387                         }
388                 } while (u64_stats_fetch_retry_bh(&stats->sync, start));
389                 base += ETHTOOL_TXSTATS_NUM;
390         }
391 }
392
393 static void
394 be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
395                 uint8_t *data)
396 {
397         struct be_adapter *adapter = netdev_priv(netdev);
398         int i, j;
399
400         switch (stringset) {
401         case ETH_SS_STATS:
402                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
403                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
404                         data += ETH_GSTRING_LEN;
405                 }
406                 for (i = 0; i < adapter->num_rx_qs; i++) {
407                         for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
408                                 sprintf(data, "rxq%d: %s", i,
409                                         et_rx_stats[j].desc);
410                                 data += ETH_GSTRING_LEN;
411                         }
412                 }
413                 for (i = 0; i < adapter->num_tx_qs; i++) {
414                         for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
415                                 sprintf(data, "txq%d: %s", i,
416                                         et_tx_stats[j].desc);
417                                 data += ETH_GSTRING_LEN;
418                         }
419                 }
420                 break;
421         case ETH_SS_TEST:
422                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
423                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
424                         data += ETH_GSTRING_LEN;
425                 }
426                 break;
427         }
428 }
429
430 static int be_get_sset_count(struct net_device *netdev, int stringset)
431 {
432         struct be_adapter *adapter = netdev_priv(netdev);
433
434         switch (stringset) {
435         case ETH_SS_TEST:
436                 return ETHTOOL_TESTS_NUM;
437         case ETH_SS_STATS:
438                 return ETHTOOL_STATS_NUM +
439                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
440                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
441         default:
442                 return -EINVAL;
443         }
444 }
445
446 static u32 be_get_port_type(u32 phy_type, u32 dac_cable_len)
447 {
448         u32 port;
449
450         switch (phy_type) {
451         case PHY_TYPE_BASET_1GB:
452         case PHY_TYPE_BASEX_1GB:
453         case PHY_TYPE_SGMII:
454                 port = PORT_TP;
455                 break;
456         case PHY_TYPE_SFP_PLUS_10GB:
457                 port = dac_cable_len ? PORT_DA : PORT_FIBRE;
458                 break;
459         case PHY_TYPE_XFP_10GB:
460         case PHY_TYPE_SFP_1GB:
461                 port = PORT_FIBRE;
462                 break;
463         case PHY_TYPE_BASET_10GB:
464                 port = PORT_TP;
465                 break;
466         default:
467                 port = PORT_OTHER;
468         }
469
470         return port;
471 }
472
473 static u32 convert_to_et_setting(u32 if_type, u32 if_speeds)
474 {
475         u32 val = 0;
476
477         switch (if_type) {
478         case PHY_TYPE_BASET_1GB:
479         case PHY_TYPE_BASEX_1GB:
480         case PHY_TYPE_SGMII:
481                 val |= SUPPORTED_TP;
482                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
483                         val |= SUPPORTED_1000baseT_Full;
484                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
485                         val |= SUPPORTED_100baseT_Full;
486                 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
487                         val |= SUPPORTED_10baseT_Full;
488                 break;
489         case PHY_TYPE_KX4_10GB:
490                 val |= SUPPORTED_Backplane;
491                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
492                         val |= SUPPORTED_1000baseKX_Full;
493                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
494                         val |= SUPPORTED_10000baseKX4_Full;
495                 break;
496         case PHY_TYPE_KR_10GB:
497                 val |= SUPPORTED_Backplane |
498                                 SUPPORTED_10000baseKR_Full;
499                 break;
500         case PHY_TYPE_SFP_PLUS_10GB:
501         case PHY_TYPE_XFP_10GB:
502         case PHY_TYPE_SFP_1GB:
503                 val |= SUPPORTED_FIBRE;
504                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
505                         val |= SUPPORTED_10000baseT_Full;
506                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
507                         val |= SUPPORTED_1000baseT_Full;
508                 break;
509         case PHY_TYPE_BASET_10GB:
510                 val |= SUPPORTED_TP;
511                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
512                         val |= SUPPORTED_10000baseT_Full;
513                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
514                         val |= SUPPORTED_1000baseT_Full;
515                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
516                         val |= SUPPORTED_100baseT_Full;
517                 break;
518         default:
519                 val |= SUPPORTED_TP;
520         }
521
522         return val;
523 }
524
525 bool be_pause_supported(struct be_adapter *adapter)
526 {
527         return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
528                 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
529                 false : true;
530 }
531
532 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
533 {
534         struct be_adapter *adapter = netdev_priv(netdev);
535         u8 link_status;
536         u16 link_speed = 0;
537         int status;
538         u32 auto_speeds;
539         u32 fixed_speeds;
540         u32 dac_cable_len;
541         u16 interface_type;
542
543         if (adapter->phy.link_speed < 0) {
544                 status = be_cmd_link_status_query(adapter, &link_speed,
545                                                   &link_status, 0);
546                 if (!status)
547                         be_link_status_update(adapter, link_status);
548                 ethtool_cmd_speed_set(ecmd, link_speed);
549
550                 status = be_cmd_get_phy_info(adapter);
551                 if (!status) {
552                         interface_type = adapter->phy.interface_type;
553                         auto_speeds = adapter->phy.auto_speeds_supported;
554                         fixed_speeds = adapter->phy.fixed_speeds_supported;
555                         dac_cable_len = adapter->phy.dac_cable_len;
556
557                         ecmd->supported =
558                                 convert_to_et_setting(interface_type,
559                                                       auto_speeds |
560                                                       fixed_speeds);
561                         ecmd->advertising =
562                                 convert_to_et_setting(interface_type,
563                                                       auto_speeds);
564
565                         ecmd->port = be_get_port_type(interface_type,
566                                                       dac_cable_len);
567
568                         if (adapter->phy.auto_speeds_supported) {
569                                 ecmd->supported |= SUPPORTED_Autoneg;
570                                 ecmd->autoneg = AUTONEG_ENABLE;
571                                 ecmd->advertising |= ADVERTISED_Autoneg;
572                         }
573
574                         ecmd->supported |= SUPPORTED_Pause;
575                         if (be_pause_supported(adapter))
576                                 ecmd->advertising |= ADVERTISED_Pause;
577
578                         switch (adapter->phy.interface_type) {
579                         case PHY_TYPE_KR_10GB:
580                         case PHY_TYPE_KX4_10GB:
581                                 ecmd->transceiver = XCVR_INTERNAL;
582                                 break;
583                         default:
584                                 ecmd->transceiver = XCVR_EXTERNAL;
585                                 break;
586                         }
587                 } else {
588                         ecmd->port = PORT_OTHER;
589                         ecmd->autoneg = AUTONEG_DISABLE;
590                         ecmd->transceiver = XCVR_DUMMY1;
591                 }
592
593                 /* Save for future use */
594                 adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
595                 adapter->phy.port_type = ecmd->port;
596                 adapter->phy.transceiver = ecmd->transceiver;
597                 adapter->phy.autoneg = ecmd->autoneg;
598                 adapter->phy.advertising = ecmd->advertising;
599                 adapter->phy.supported = ecmd->supported;
600         } else {
601                 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
602                 ecmd->port = adapter->phy.port_type;
603                 ecmd->transceiver = adapter->phy.transceiver;
604                 ecmd->autoneg = adapter->phy.autoneg;
605                 ecmd->advertising = adapter->phy.advertising;
606                 ecmd->supported = adapter->phy.supported;
607         }
608
609         ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
610         ecmd->phy_address = adapter->port_num;
611
612         return 0;
613 }
614
615 static void be_get_ringparam(struct net_device *netdev,
616                              struct ethtool_ringparam *ring)
617 {
618         struct be_adapter *adapter = netdev_priv(netdev);
619
620         ring->rx_max_pending = ring->rx_pending = adapter->rx_obj[0].q.len;
621         ring->tx_max_pending = ring->tx_pending = adapter->tx_obj[0].q.len;
622 }
623
624 static void
625 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
626 {
627         struct be_adapter *adapter = netdev_priv(netdev);
628
629         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
630         ecmd->autoneg = adapter->phy.fc_autoneg;
631 }
632
633 static int
634 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
635 {
636         struct be_adapter *adapter = netdev_priv(netdev);
637         int status;
638
639         if (ecmd->autoneg != adapter->phy.fc_autoneg)
640                 return -EINVAL;
641         adapter->tx_fc = ecmd->tx_pause;
642         adapter->rx_fc = ecmd->rx_pause;
643
644         status = be_cmd_set_flow_control(adapter,
645                                         adapter->tx_fc, adapter->rx_fc);
646         if (status)
647                 dev_warn(&adapter->pdev->dev, "Pause param set failed.\n");
648
649         return status;
650 }
651
652 static int
653 be_set_phys_id(struct net_device *netdev,
654                enum ethtool_phys_id_state state)
655 {
656         struct be_adapter *adapter = netdev_priv(netdev);
657
658         switch (state) {
659         case ETHTOOL_ID_ACTIVE:
660                 be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
661                                         &adapter->beacon_state);
662                 return 1;       /* cycle on/off once per second */
663
664         case ETHTOOL_ID_ON:
665                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
666                                         BEACON_STATE_ENABLED);
667                 break;
668
669         case ETHTOOL_ID_OFF:
670                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
671                                         BEACON_STATE_DISABLED);
672                 break;
673
674         case ETHTOOL_ID_INACTIVE:
675                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
676                                         adapter->beacon_state);
677         }
678
679         return 0;
680 }
681
682 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
683 {
684         struct be_adapter *adapter = netdev_priv(netdev);
685         struct device *dev = &adapter->pdev->dev;
686         int status;
687
688         if (!lancer_chip(adapter)) {
689                 dev_err(dev, "FW dump not supported\n");
690                 return -EOPNOTSUPP;
691         }
692
693         if (dump_present(adapter)) {
694                 dev_err(dev, "Previous dump not cleared, not forcing dump\n");
695                 return 0;
696         }
697
698         switch (dump->flag) {
699         case LANCER_INITIATE_FW_DUMP:
700                 status = lancer_initiate_dump(adapter);
701                 if (!status)
702                         dev_info(dev, "F/w dump initiated successfully\n");
703                 break;
704         default:
705                 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
706                 return -EINVAL;
707         }
708         return status;
709 }
710
711 static void
712 be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
713 {
714         struct be_adapter *adapter = netdev_priv(netdev);
715
716         if (adapter->wol_cap & BE_WOL_CAP) {
717                 wol->supported |= WAKE_MAGIC;
718                 if (adapter->wol_en)
719                         wol->wolopts |= WAKE_MAGIC;
720         } else {
721                 wol->wolopts = 0;
722         }
723         memset(&wol->sopass, 0, sizeof(wol->sopass));
724 }
725
726 static int
727 be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
728 {
729         struct be_adapter *adapter = netdev_priv(netdev);
730
731         if (wol->wolopts & ~WAKE_MAGIC)
732                 return -EOPNOTSUPP;
733
734         if (!(adapter->wol_cap & BE_WOL_CAP)) {
735                 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
736                 return -EOPNOTSUPP;
737         }
738
739         if (wol->wolopts & WAKE_MAGIC)
740                 adapter->wol_en = true;
741         else
742                 adapter->wol_en = false;
743
744         return 0;
745 }
746
747 static int
748 be_test_ddr_dma(struct be_adapter *adapter)
749 {
750         int ret, i;
751         struct be_dma_mem ddrdma_cmd;
752         static const u64 pattern[2] = {
753                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
754         };
755
756         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
757         ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
758                                            &ddrdma_cmd.dma, GFP_KERNEL);
759         if (!ddrdma_cmd.va)
760                 return -ENOMEM;
761
762         for (i = 0; i < 2; i++) {
763                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
764                                         4096, &ddrdma_cmd);
765                 if (ret != 0)
766                         goto err;
767         }
768
769 err:
770         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
771                           ddrdma_cmd.dma);
772         return ret;
773 }
774
775 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
776                                 u64 *status)
777 {
778         be_cmd_set_loopback(adapter, adapter->hba_port_num,
779                                 loopback_type, 1);
780         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
781                                 loopback_type, 1500,
782                                 2, 0xabc);
783         be_cmd_set_loopback(adapter, adapter->hba_port_num,
784                                 BE_NO_LOOPBACK, 1);
785         return *status;
786 }
787
788 static void
789 be_self_test(struct net_device *netdev, struct ethtool_test *test, u64 *data)
790 {
791         struct be_adapter *adapter = netdev_priv(netdev);
792         int status;
793         u8 link_status = 0;
794
795         if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
796                 dev_err(&adapter->pdev->dev, "Self test not supported\n");
797                 test->flags |= ETH_TEST_FL_FAILED;
798                 return;
799         }
800
801         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
802
803         if (test->flags & ETH_TEST_FL_OFFLINE) {
804                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK,
805                                                 &data[0]) != 0) {
806                         test->flags |= ETH_TEST_FL_FAILED;
807                 }
808                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK,
809                                                 &data[1]) != 0) {
810                         test->flags |= ETH_TEST_FL_FAILED;
811                 }
812                 if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
813                                                 &data[2]) != 0) {
814                         test->flags |= ETH_TEST_FL_FAILED;
815                 }
816         }
817
818         if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
819                 data[3] = 1;
820                 test->flags |= ETH_TEST_FL_FAILED;
821         }
822
823         status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
824         if (status) {
825                 test->flags |= ETH_TEST_FL_FAILED;
826                 data[4] = -1;
827         } else if (!link_status) {
828                 test->flags |= ETH_TEST_FL_FAILED;
829                 data[4] = 1;
830         }
831 }
832
833 static int
834 be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
835 {
836         struct be_adapter *adapter = netdev_priv(netdev);
837
838         return be_load_fw(adapter, efl->data);
839 }
840
841 static int
842 be_get_eeprom_len(struct net_device *netdev)
843 {
844         struct be_adapter *adapter = netdev_priv(netdev);
845
846         if (!check_privilege(adapter, MAX_PRIVILEGES))
847                 return 0;
848
849         if (lancer_chip(adapter)) {
850                 if (be_physfn(adapter))
851                         return lancer_cmd_get_file_len(adapter,
852                                         LANCER_VPD_PF_FILE);
853                 else
854                         return lancer_cmd_get_file_len(adapter,
855                                         LANCER_VPD_VF_FILE);
856         } else {
857                 return BE_READ_SEEPROM_LEN;
858         }
859 }
860
861 static int
862 be_read_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
863                         uint8_t *data)
864 {
865         struct be_adapter *adapter = netdev_priv(netdev);
866         struct be_dma_mem eeprom_cmd;
867         struct be_cmd_resp_seeprom_read *resp;
868         int status;
869
870         if (!eeprom->len)
871                 return -EINVAL;
872
873         if (lancer_chip(adapter)) {
874                 if (be_physfn(adapter))
875                         return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
876                                         eeprom->len, data);
877                 else
878                         return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
879                                         eeprom->len, data);
880         }
881
882         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
883
884         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
885         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
886         eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
887                                            &eeprom_cmd.dma, GFP_KERNEL);
888
889         if (!eeprom_cmd.va)
890                 return -ENOMEM;
891
892         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
893
894         if (!status) {
895                 resp = eeprom_cmd.va;
896                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
897         }
898         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
899                           eeprom_cmd.dma);
900
901         return status;
902 }
903
904 static u32 be_get_msg_level(struct net_device *netdev)
905 {
906         struct be_adapter *adapter = netdev_priv(netdev);
907
908         return adapter->msg_enable;
909 }
910
911 static void be_set_msg_level(struct net_device *netdev, u32 level)
912 {
913         struct be_adapter *adapter = netdev_priv(netdev);
914
915         if (adapter->msg_enable == level)
916                 return;
917
918         if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
919                 if (BEx_chip(adapter))
920                         be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
921                                                 FW_LOG_LEVEL_DEFAULT :
922                                                 FW_LOG_LEVEL_FATAL);
923         adapter->msg_enable = level;
924
925         return;
926 }
927
928 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
929 {
930         u64 data = 0;
931
932         switch (flow_type) {
933         case TCP_V4_FLOW:
934                 if (adapter->rss_flags & RSS_ENABLE_IPV4)
935                         data |= RXH_IP_DST | RXH_IP_SRC;
936                 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV4)
937                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
938                 break;
939         case UDP_V4_FLOW:
940                 if (adapter->rss_flags & RSS_ENABLE_IPV4)
941                         data |= RXH_IP_DST | RXH_IP_SRC;
942                 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV4)
943                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
944                 break;
945         case TCP_V6_FLOW:
946                 if (adapter->rss_flags & RSS_ENABLE_IPV6)
947                         data |= RXH_IP_DST | RXH_IP_SRC;
948                 if (adapter->rss_flags & RSS_ENABLE_TCP_IPV6)
949                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
950                 break;
951         case UDP_V6_FLOW:
952                 if (adapter->rss_flags & RSS_ENABLE_IPV6)
953                         data |= RXH_IP_DST | RXH_IP_SRC;
954                 if (adapter->rss_flags & RSS_ENABLE_UDP_IPV6)
955                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
956                 break;
957         }
958
959         return data;
960 }
961
962 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
963                       u32 *rule_locs)
964 {
965         struct be_adapter *adapter = netdev_priv(netdev);
966
967         if (!be_multi_rxq(adapter)) {
968                 dev_info(&adapter->pdev->dev,
969                          "ethtool::get_rxnfc: RX flow hashing is disabled\n");
970                 return -EINVAL;
971         }
972
973         switch (cmd->cmd) {
974         case ETHTOOL_GRXFH:
975                 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
976                 break;
977         case ETHTOOL_GRXRINGS:
978                 cmd->data = adapter->num_rx_qs - 1;
979                 break;
980         default:
981                 return -EINVAL;
982         }
983
984         return 0;
985 }
986
987 static int be_set_rss_hash_opts(struct be_adapter *adapter,
988                                 struct ethtool_rxnfc *cmd)
989 {
990         struct be_rx_obj *rxo;
991         int status = 0, i, j;
992         u8 rsstable[128];
993         u32 rss_flags = adapter->rss_flags;
994
995         if (cmd->data != L3_RSS_FLAGS &&
996             cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
997                 return -EINVAL;
998
999         switch (cmd->flow_type) {
1000         case TCP_V4_FLOW:
1001                 if (cmd->data == L3_RSS_FLAGS)
1002                         rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1003                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1004                         rss_flags |= RSS_ENABLE_IPV4 |
1005                                         RSS_ENABLE_TCP_IPV4;
1006                 break;
1007         case TCP_V6_FLOW:
1008                 if (cmd->data == L3_RSS_FLAGS)
1009                         rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1010                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1011                         rss_flags |= RSS_ENABLE_IPV6 |
1012                                         RSS_ENABLE_TCP_IPV6;
1013                 break;
1014         case UDP_V4_FLOW:
1015                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1016                     BEx_chip(adapter))
1017                         return -EINVAL;
1018
1019                 if (cmd->data == L3_RSS_FLAGS)
1020                         rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1021                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1022                         rss_flags |= RSS_ENABLE_IPV4 |
1023                                         RSS_ENABLE_UDP_IPV4;
1024                 break;
1025         case UDP_V6_FLOW:
1026                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1027                     BEx_chip(adapter))
1028                         return -EINVAL;
1029
1030                 if (cmd->data == L3_RSS_FLAGS)
1031                         rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1032                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1033                         rss_flags |= RSS_ENABLE_IPV6 |
1034                                         RSS_ENABLE_UDP_IPV6;
1035                 break;
1036         default:
1037                 return -EINVAL;
1038         }
1039
1040         if (rss_flags == adapter->rss_flags)
1041                 return status;
1042
1043         if (be_multi_rxq(adapter)) {
1044                 for (j = 0; j < 128; j += adapter->num_rx_qs - 1) {
1045                         for_all_rss_queues(adapter, rxo, i) {
1046                                 if ((j + i) >= 128)
1047                                         break;
1048                                 rsstable[j + i] = rxo->rss_id;
1049                         }
1050                 }
1051         }
1052         status = be_cmd_rss_config(adapter, rsstable, rss_flags, 128);
1053         if (!status)
1054                 adapter->rss_flags = rss_flags;
1055
1056         return status;
1057 }
1058
1059 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1060 {
1061         struct be_adapter *adapter = netdev_priv(netdev);
1062         int status = 0;
1063
1064         if (!be_multi_rxq(adapter)) {
1065                 dev_err(&adapter->pdev->dev,
1066                         "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1067                 return -EINVAL;
1068         }
1069
1070         switch (cmd->cmd) {
1071         case ETHTOOL_SRXFH:
1072                 status = be_set_rss_hash_opts(adapter, cmd);
1073                 break;
1074         default:
1075                 return -EINVAL;
1076         }
1077
1078         return status;
1079 }
1080
1081 static void be_get_channels(struct net_device *netdev,
1082                             struct ethtool_channels *ch)
1083 {
1084         struct be_adapter *adapter = netdev_priv(netdev);
1085
1086         ch->combined_count = adapter->num_evt_qs;
1087         ch->max_combined = be_max_qs(adapter);
1088 }
1089
1090 static int be_set_channels(struct net_device  *netdev,
1091                            struct ethtool_channels *ch)
1092 {
1093         struct be_adapter *adapter = netdev_priv(netdev);
1094
1095         if (ch->rx_count || ch->tx_count || ch->other_count ||
1096             !ch->combined_count || ch->combined_count > be_max_qs(adapter))
1097                 return -EINVAL;
1098
1099         adapter->cfg_num_qs = ch->combined_count;
1100
1101         return be_update_queues(adapter);
1102 }
1103
1104 const struct ethtool_ops be_ethtool_ops = {
1105         .get_settings = be_get_settings,
1106         .get_drvinfo = be_get_drvinfo,
1107         .get_wol = be_get_wol,
1108         .set_wol = be_set_wol,
1109         .get_link = ethtool_op_get_link,
1110         .get_eeprom_len = be_get_eeprom_len,
1111         .get_eeprom = be_read_eeprom,
1112         .get_coalesce = be_get_coalesce,
1113         .set_coalesce = be_set_coalesce,
1114         .get_ringparam = be_get_ringparam,
1115         .get_pauseparam = be_get_pauseparam,
1116         .set_pauseparam = be_set_pauseparam,
1117         .get_strings = be_get_stat_strings,
1118         .set_phys_id = be_set_phys_id,
1119         .set_dump = be_set_dump,
1120         .get_msglevel = be_get_msg_level,
1121         .set_msglevel = be_set_msg_level,
1122         .get_sset_count = be_get_sset_count,
1123         .get_ethtool_stats = be_get_ethtool_stats,
1124         .get_regs_len = be_get_reg_len,
1125         .get_regs = be_get_regs,
1126         .flash_device = be_do_flash,
1127         .self_test = be_self_test,
1128         .get_rxnfc = be_get_rxnfc,
1129         .set_rxnfc = be_set_rxnfc,
1130         .get_channels = be_get_channels,
1131         .set_channels = be_set_channels
1132 };