Merge tag 'pull-fixes' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
[sfrench/cifs-2.6.git] / drivers / net / ethernet / emulex / benet / be_ethtool.c
1 // SPDX-License-Identifier: GPL-2.0-only
2 /*
3  * Copyright (C) 2005 - 2016 Broadcom
4  * All rights reserved.
5  *
6  * Contact Information:
7  * linux-drivers@emulex.com
8  *
9  * Emulex
10  * 3333 Susan Street
11  * Costa Mesa, CA 92626
12  */
13
14 #include "be.h"
15 #include "be_cmds.h"
16 #include <linux/ethtool.h>
17
18 struct be_ethtool_stat {
19         char desc[ETH_GSTRING_LEN];
20         int type;
21         int size;
22         int offset;
23 };
24
25 enum {DRVSTAT_TX, DRVSTAT_RX, DRVSTAT};
26 #define FIELDINFO(_struct, field) sizeof_field(_struct, field), \
27                                         offsetof(_struct, field)
28 #define DRVSTAT_TX_INFO(field)  #field, DRVSTAT_TX,\
29                                         FIELDINFO(struct be_tx_stats, field)
30 #define DRVSTAT_RX_INFO(field)  #field, DRVSTAT_RX,\
31                                         FIELDINFO(struct be_rx_stats, field)
32 #define DRVSTAT_INFO(field)     #field, DRVSTAT,\
33                                         FIELDINFO(struct be_drv_stats, field)
34
35 static const struct be_ethtool_stat et_stats[] = {
36         {DRVSTAT_INFO(rx_crc_errors)},
37         {DRVSTAT_INFO(rx_alignment_symbol_errors)},
38         {DRVSTAT_INFO(rx_pause_frames)},
39         {DRVSTAT_INFO(rx_control_frames)},
40         /* Received packets dropped when the Ethernet length field
41          * is not equal to the actual Ethernet data length.
42          */
43         {DRVSTAT_INFO(rx_in_range_errors)},
44         /* Received packets dropped when their length field is >= 1501 bytes
45          * and <= 1535 bytes.
46          */
47         {DRVSTAT_INFO(rx_out_range_errors)},
48         /* Received packets dropped when they are longer than 9216 bytes */
49         {DRVSTAT_INFO(rx_frame_too_long)},
50         /* Received packets dropped when they don't pass the unicast or
51          * multicast address filtering.
52          */
53         {DRVSTAT_INFO(rx_address_filtered)},
54         /* Received packets dropped when IP packet length field is less than
55          * the IP header length field.
56          */
57         {DRVSTAT_INFO(rx_dropped_too_small)},
58         /* Received packets dropped when IP length field is greater than
59          * the actual packet length.
60          */
61         {DRVSTAT_INFO(rx_dropped_too_short)},
62         /* Received packets dropped when the IP header length field is less
63          * than 5.
64          */
65         {DRVSTAT_INFO(rx_dropped_header_too_small)},
66         /* Received packets dropped when the TCP header length field is less
67          * than 5 or the TCP header length + IP header length is more
68          * than IP packet length.
69          */
70         {DRVSTAT_INFO(rx_dropped_tcp_length)},
71         {DRVSTAT_INFO(rx_dropped_runt)},
72         /* Number of received packets dropped when a fifo for descriptors going
73          * into the packet demux block overflows. In normal operation, this
74          * fifo must never overflow.
75          */
76         {DRVSTAT_INFO(rxpp_fifo_overflow_drop)},
77         /* Received packets dropped when the RX block runs out of space in
78          * one of its input FIFOs. This could happen due a long burst of
79          * minimum-sized (64b) frames in the receive path.
80          * This counter may also be erroneously incremented rarely.
81          */
82         {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
83         {DRVSTAT_INFO(rx_ip_checksum_errs)},
84         {DRVSTAT_INFO(rx_tcp_checksum_errs)},
85         {DRVSTAT_INFO(rx_udp_checksum_errs)},
86         {DRVSTAT_INFO(tx_pauseframes)},
87         {DRVSTAT_INFO(tx_controlframes)},
88         {DRVSTAT_INFO(rx_priority_pause_frames)},
89         {DRVSTAT_INFO(tx_priority_pauseframes)},
90         /* Received packets dropped when an internal fifo going into
91          * main packet buffer tank (PMEM) overflows.
92          */
93         {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
94         {DRVSTAT_INFO(jabber_events)},
95         /* Received packets dropped due to lack of available HW packet buffers
96          * used to temporarily hold the received packets.
97          */
98         {DRVSTAT_INFO(rx_drops_no_pbuf)},
99         /* Received packets dropped due to input receive buffer
100          * descriptor fifo overflowing.
101          */
102         {DRVSTAT_INFO(rx_drops_no_erx_descr)},
103         /* Packets dropped because the internal FIFO to the offloaded TCP
104          * receive processing block is full. This could happen only for
105          * offloaded iSCSI or FCoE trarffic.
106          */
107         {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
108         /* Received packets dropped when they need more than 8
109          * receive buffers. This cannot happen as the driver configures
110          * 2048 byte receive buffers.
111          */
112         {DRVSTAT_INFO(rx_drops_too_many_frags)},
113         {DRVSTAT_INFO(forwarded_packets)},
114         /* Received packets dropped when the frame length
115          * is more than 9018 bytes
116          */
117         {DRVSTAT_INFO(rx_drops_mtu)},
118         /* Number of dma mapping errors */
119         {DRVSTAT_INFO(dma_map_errors)},
120         /* Number of packets dropped due to random early drop function */
121         {DRVSTAT_INFO(eth_red_drops)},
122         {DRVSTAT_INFO(rx_roce_bytes_lsd)},
123         {DRVSTAT_INFO(rx_roce_bytes_msd)},
124         {DRVSTAT_INFO(rx_roce_frames)},
125         {DRVSTAT_INFO(roce_drops_payload_len)},
126         {DRVSTAT_INFO(roce_drops_crc)}
127 };
128
129 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
130
131 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
132  * are first and second members respectively.
133  */
134 static const struct be_ethtool_stat et_rx_stats[] = {
135         {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
136         {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
137         {DRVSTAT_RX_INFO(rx_vxlan_offload_pkts)},
138         {DRVSTAT_RX_INFO(rx_compl)},
139         {DRVSTAT_RX_INFO(rx_compl_err)},
140         {DRVSTAT_RX_INFO(rx_mcast_pkts)},
141         /* Number of page allocation failures while posting receive buffers
142          * to HW.
143          */
144         {DRVSTAT_RX_INFO(rx_post_fail)},
145         /* Recevied packets dropped due to skb allocation failure */
146         {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
147         /* Received packets dropped due to lack of available fetched buffers
148          * posted by the driver.
149          */
150         {DRVSTAT_RX_INFO(rx_drops_no_frags)}
151 };
152
153 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
154
155 /* Stats related to multi TX queues: get_stats routine assumes compl is the
156  * first member
157  */
158 static const struct be_ethtool_stat et_tx_stats[] = {
159         {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
160         /* This counter is incremented when the HW encounters an error while
161          * parsing the packet header of an outgoing TX request. This counter is
162          * applicable only for BE2, BE3 and Skyhawk based adapters.
163          */
164         {DRVSTAT_TX_INFO(tx_hdr_parse_err)},
165         /* This counter is incremented when an error occurs in the DMA
166          * operation associated with the TX request from the host to the device.
167          */
168         {DRVSTAT_TX_INFO(tx_dma_err)},
169         /* This counter is incremented when MAC or VLAN spoof checking is
170          * enabled on the interface and the TX request fails the spoof check
171          * in HW.
172          */
173         {DRVSTAT_TX_INFO(tx_spoof_check_err)},
174         /* This counter is incremented when the HW encounters an error while
175          * performing TSO offload. This counter is applicable only for Lancer
176          * adapters.
177          */
178         {DRVSTAT_TX_INFO(tx_tso_err)},
179         /* This counter is incremented when the HW detects Q-in-Q style VLAN
180          * tagging in a packet and such tagging is not expected on the outgoing
181          * interface. This counter is applicable only for Lancer adapters.
182          */
183         {DRVSTAT_TX_INFO(tx_qinq_err)},
184         /* This counter is incremented when the HW detects parity errors in the
185          * packet data. This counter is applicable only for Lancer adapters.
186          */
187         {DRVSTAT_TX_INFO(tx_internal_parity_err)},
188         {DRVSTAT_TX_INFO(tx_sge_err)},
189         {DRVSTAT_TX_INFO(tx_bytes)},
190         {DRVSTAT_TX_INFO(tx_pkts)},
191         {DRVSTAT_TX_INFO(tx_vxlan_offload_pkts)},
192         /* Number of skbs queued for trasmission by the driver */
193         {DRVSTAT_TX_INFO(tx_reqs)},
194         /* Number of times the TX queue was stopped due to lack
195          * of spaces in the TXQ.
196          */
197         {DRVSTAT_TX_INFO(tx_stops)},
198         /* Pkts dropped in the driver's transmit path */
199         {DRVSTAT_TX_INFO(tx_drv_drops)}
200 };
201
202 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
203
204 static const char et_self_tests[][ETH_GSTRING_LEN] = {
205         "MAC Loopback test",
206         "PHY Loopback test",
207         "External Loopback test",
208         "DDR DMA test",
209         "Link test"
210 };
211
212 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
213 #define BE_MAC_LOOPBACK 0x0
214 #define BE_PHY_LOOPBACK 0x1
215 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
216 #define BE_NO_LOOPBACK 0xff
217
218 static void be_get_drvinfo(struct net_device *netdev,
219                            struct ethtool_drvinfo *drvinfo)
220 {
221         struct be_adapter *adapter = netdev_priv(netdev);
222
223         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
224         if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
225                 strlcpy(drvinfo->fw_version, adapter->fw_ver,
226                         sizeof(drvinfo->fw_version));
227         else
228                 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
229                          "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
230
231         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
232                 sizeof(drvinfo->bus_info));
233 }
234
235 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
236 {
237         u32 data_read = 0, eof;
238         u8 addn_status;
239         struct be_dma_mem data_len_cmd;
240
241         memset(&data_len_cmd, 0, sizeof(data_len_cmd));
242         /* data_offset and data_size should be 0 to get reg len */
243         lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
244                                &data_read, &eof, &addn_status);
245
246         return data_read;
247 }
248
249 static int be_get_dump_len(struct be_adapter *adapter)
250 {
251         u32 dump_size = 0;
252
253         if (lancer_chip(adapter))
254                 dump_size = lancer_cmd_get_file_len(adapter,
255                                                     LANCER_FW_DUMP_FILE);
256         else
257                 dump_size = adapter->fat_dump_len;
258
259         return dump_size;
260 }
261
262 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
263                                 u32 buf_len, void *buf)
264 {
265         struct be_dma_mem read_cmd;
266         u32 read_len = 0, total_read_len = 0, chunk_size;
267         u32 eof = 0;
268         u8 addn_status;
269         int status = 0;
270
271         read_cmd.size = LANCER_READ_FILE_CHUNK;
272         read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size,
273                                          &read_cmd.dma, GFP_ATOMIC);
274
275         if (!read_cmd.va) {
276                 dev_err(&adapter->pdev->dev,
277                         "Memory allocation failure while reading dump\n");
278                 return -ENOMEM;
279         }
280
281         while ((total_read_len < buf_len) && !eof) {
282                 chunk_size = min_t(u32, (buf_len - total_read_len),
283                                    LANCER_READ_FILE_CHUNK);
284                 chunk_size = ALIGN(chunk_size, 4);
285                 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
286                                                 total_read_len, file_name,
287                                                 &read_len, &eof, &addn_status);
288                 if (!status) {
289                         memcpy(buf + total_read_len, read_cmd.va, read_len);
290                         total_read_len += read_len;
291                         eof &= LANCER_READ_FILE_EOF_MASK;
292                 } else {
293                         status = -EIO;
294                         break;
295                 }
296         }
297         dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
298                           read_cmd.dma);
299
300         return status;
301 }
302
303 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
304                              void *buf)
305 {
306         int status = 0;
307
308         if (lancer_chip(adapter))
309                 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
310                                               dump_len, buf);
311         else
312                 status = be_cmd_get_fat_dump(adapter, dump_len, buf);
313
314         return status;
315 }
316
317 static int be_get_coalesce(struct net_device *netdev,
318                            struct ethtool_coalesce *et,
319                            struct kernel_ethtool_coalesce *kernel_coal,
320                            struct netlink_ext_ack *extack)
321 {
322         struct be_adapter *adapter = netdev_priv(netdev);
323         struct be_aic_obj *aic = &adapter->aic_obj[0];
324
325         et->rx_coalesce_usecs = aic->prev_eqd;
326         et->rx_coalesce_usecs_high = aic->max_eqd;
327         et->rx_coalesce_usecs_low = aic->min_eqd;
328
329         et->tx_coalesce_usecs = aic->prev_eqd;
330         et->tx_coalesce_usecs_high = aic->max_eqd;
331         et->tx_coalesce_usecs_low = aic->min_eqd;
332
333         et->use_adaptive_rx_coalesce = adapter->aic_enabled;
334         et->use_adaptive_tx_coalesce = adapter->aic_enabled;
335
336         return 0;
337 }
338
339 /* TX attributes are ignored. Only RX attributes are considered
340  * eqd cmd is issued in the worker thread.
341  */
342 static int be_set_coalesce(struct net_device *netdev,
343                            struct ethtool_coalesce *et,
344                            struct kernel_ethtool_coalesce *kernel_coal,
345                            struct netlink_ext_ack *extack)
346 {
347         struct be_adapter *adapter = netdev_priv(netdev);
348         struct be_aic_obj *aic = &adapter->aic_obj[0];
349         struct be_eq_obj *eqo;
350         int i;
351
352         adapter->aic_enabled = et->use_adaptive_rx_coalesce;
353
354         for_all_evt_queues(adapter, eqo, i) {
355                 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
356                 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
357                 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
358                 aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
359                 aic++;
360         }
361
362         /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
363          * When AIC is disabled, persistently force set EQD value via the
364          * FW cmd, so that we don't have to calculate the delay multiplier
365          * encode value each time EQ_DB is rung
366          */
367         if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
368                 be_eqd_update(adapter, true);
369
370         return 0;
371 }
372
373 static void be_get_ethtool_stats(struct net_device *netdev,
374                                  struct ethtool_stats *stats, uint64_t *data)
375 {
376         struct be_adapter *adapter = netdev_priv(netdev);
377         struct be_rx_obj *rxo;
378         struct be_tx_obj *txo;
379         void *p;
380         unsigned int i, j, base = 0, start;
381
382         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
383                 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
384                 data[i] = *(u32 *)p;
385         }
386         base += ETHTOOL_STATS_NUM;
387
388         for_all_rx_queues(adapter, rxo, j) {
389                 struct be_rx_stats *stats = rx_stats(rxo);
390
391                 do {
392                         start = u64_stats_fetch_begin_irq(&stats->sync);
393                         data[base] = stats->rx_bytes;
394                         data[base + 1] = stats->rx_pkts;
395                 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
396
397                 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
398                         p = (u8 *)stats + et_rx_stats[i].offset;
399                         data[base + i] = *(u32 *)p;
400                 }
401                 base += ETHTOOL_RXSTATS_NUM;
402         }
403
404         for_all_tx_queues(adapter, txo, j) {
405                 struct be_tx_stats *stats = tx_stats(txo);
406
407                 do {
408                         start = u64_stats_fetch_begin_irq(&stats->sync_compl);
409                         data[base] = stats->tx_compl;
410                 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
411
412                 do {
413                         start = u64_stats_fetch_begin_irq(&stats->sync);
414                         for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
415                                 p = (u8 *)stats + et_tx_stats[i].offset;
416                                 data[base + i] =
417                                         (et_tx_stats[i].size == sizeof(u64)) ?
418                                                 *(u64 *)p : *(u32 *)p;
419                         }
420                 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
421                 base += ETHTOOL_TXSTATS_NUM;
422         }
423 }
424
425 static const char be_priv_flags[][ETH_GSTRING_LEN] = {
426         "disable-tpe-recovery"
427 };
428
429 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
430                                 uint8_t *data)
431 {
432         struct be_adapter *adapter = netdev_priv(netdev);
433         int i, j;
434
435         switch (stringset) {
436         case ETH_SS_STATS:
437                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
438                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
439                         data += ETH_GSTRING_LEN;
440                 }
441                 for (i = 0; i < adapter->num_rx_qs; i++) {
442                         for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
443                                 sprintf(data, "rxq%d: %s", i,
444                                         et_rx_stats[j].desc);
445                                 data += ETH_GSTRING_LEN;
446                         }
447                 }
448                 for (i = 0; i < adapter->num_tx_qs; i++) {
449                         for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
450                                 sprintf(data, "txq%d: %s", i,
451                                         et_tx_stats[j].desc);
452                                 data += ETH_GSTRING_LEN;
453                         }
454                 }
455                 break;
456         case ETH_SS_TEST:
457                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
458                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
459                         data += ETH_GSTRING_LEN;
460                 }
461                 break;
462         case ETH_SS_PRIV_FLAGS:
463                 for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
464                         strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
465                 break;
466         }
467 }
468
469 static int be_get_sset_count(struct net_device *netdev, int stringset)
470 {
471         struct be_adapter *adapter = netdev_priv(netdev);
472
473         switch (stringset) {
474         case ETH_SS_TEST:
475                 return ETHTOOL_TESTS_NUM;
476         case ETH_SS_STATS:
477                 return ETHTOOL_STATS_NUM +
478                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
479                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
480         case ETH_SS_PRIV_FLAGS:
481                 return ARRAY_SIZE(be_priv_flags);
482         default:
483                 return -EINVAL;
484         }
485 }
486
487 static u32 be_get_port_type(struct be_adapter *adapter)
488 {
489         u32 port;
490
491         switch (adapter->phy.interface_type) {
492         case PHY_TYPE_BASET_1GB:
493         case PHY_TYPE_BASEX_1GB:
494         case PHY_TYPE_SGMII:
495                 port = PORT_TP;
496                 break;
497         case PHY_TYPE_SFP_PLUS_10GB:
498                 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
499                         port = PORT_DA;
500                 else
501                         port = PORT_FIBRE;
502                 break;
503         case PHY_TYPE_QSFP:
504                 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
505                         port = PORT_DA;
506                 else
507                         port = PORT_FIBRE;
508                 break;
509         case PHY_TYPE_XFP_10GB:
510         case PHY_TYPE_SFP_1GB:
511                 port = PORT_FIBRE;
512                 break;
513         case PHY_TYPE_BASET_10GB:
514                 port = PORT_TP;
515                 break;
516         default:
517                 port = PORT_OTHER;
518         }
519
520         return port;
521 }
522
523 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
524 {
525         u32 val = 0;
526
527         switch (adapter->phy.interface_type) {
528         case PHY_TYPE_BASET_1GB:
529         case PHY_TYPE_BASEX_1GB:
530         case PHY_TYPE_SGMII:
531                 val |= SUPPORTED_TP;
532                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
533                         val |= SUPPORTED_1000baseT_Full;
534                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
535                         val |= SUPPORTED_100baseT_Full;
536                 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
537                         val |= SUPPORTED_10baseT_Full;
538                 break;
539         case PHY_TYPE_KX4_10GB:
540                 val |= SUPPORTED_Backplane;
541                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
542                         val |= SUPPORTED_1000baseKX_Full;
543                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
544                         val |= SUPPORTED_10000baseKX4_Full;
545                 break;
546         case PHY_TYPE_KR2_20GB:
547                 val |= SUPPORTED_Backplane;
548                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
549                         val |= SUPPORTED_10000baseKR_Full;
550                 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
551                         val |= SUPPORTED_20000baseKR2_Full;
552                 break;
553         case PHY_TYPE_KR_10GB:
554                 val |= SUPPORTED_Backplane |
555                                 SUPPORTED_10000baseKR_Full;
556                 break;
557         case PHY_TYPE_KR4_40GB:
558                 val |= SUPPORTED_Backplane;
559                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
560                         val |= SUPPORTED_10000baseKR_Full;
561                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
562                         val |= SUPPORTED_40000baseKR4_Full;
563                 break;
564         case PHY_TYPE_QSFP:
565                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
566                         switch (adapter->phy.cable_type) {
567                         case QSFP_PLUS_CR4_CABLE:
568                                 val |= SUPPORTED_40000baseCR4_Full;
569                                 break;
570                         case QSFP_PLUS_LR4_CABLE:
571                                 val |= SUPPORTED_40000baseLR4_Full;
572                                 break;
573                         default:
574                                 val |= SUPPORTED_40000baseSR4_Full;
575                                 break;
576                         }
577                 }
578                 fallthrough;
579         case PHY_TYPE_SFP_PLUS_10GB:
580         case PHY_TYPE_XFP_10GB:
581         case PHY_TYPE_SFP_1GB:
582                 val |= SUPPORTED_FIBRE;
583                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
584                         val |= SUPPORTED_10000baseT_Full;
585                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
586                         val |= SUPPORTED_1000baseT_Full;
587                 break;
588         case PHY_TYPE_BASET_10GB:
589                 val |= SUPPORTED_TP;
590                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
591                         val |= SUPPORTED_10000baseT_Full;
592                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
593                         val |= SUPPORTED_1000baseT_Full;
594                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
595                         val |= SUPPORTED_100baseT_Full;
596                 break;
597         default:
598                 val |= SUPPORTED_TP;
599         }
600
601         return val;
602 }
603
604 bool be_pause_supported(struct be_adapter *adapter)
605 {
606         return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
607                 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
608                 false : true;
609 }
610
611 static int be_get_link_ksettings(struct net_device *netdev,
612                                  struct ethtool_link_ksettings *cmd)
613 {
614         struct be_adapter *adapter = netdev_priv(netdev);
615         u8 link_status;
616         u16 link_speed = 0;
617         int status;
618         u32 auto_speeds;
619         u32 fixed_speeds;
620         u32 supported = 0, advertising = 0;
621
622         if (adapter->phy.link_speed < 0) {
623                 status = be_cmd_link_status_query(adapter, &link_speed,
624                                                   &link_status, 0);
625                 if (!status)
626                         be_link_status_update(adapter, link_status);
627                 cmd->base.speed = link_speed;
628
629                 status = be_cmd_get_phy_info(adapter);
630                 if (!status) {
631                         auto_speeds = adapter->phy.auto_speeds_supported;
632                         fixed_speeds = adapter->phy.fixed_speeds_supported;
633
634                         be_cmd_query_cable_type(adapter);
635
636                         supported =
637                                 convert_to_et_setting(adapter,
638                                                       auto_speeds |
639                                                       fixed_speeds);
640                         advertising =
641                                 convert_to_et_setting(adapter, auto_speeds);
642
643                         cmd->base.port = be_get_port_type(adapter);
644
645                         if (adapter->phy.auto_speeds_supported) {
646                                 supported |= SUPPORTED_Autoneg;
647                                 cmd->base.autoneg = AUTONEG_ENABLE;
648                                 advertising |= ADVERTISED_Autoneg;
649                         }
650
651                         supported |= SUPPORTED_Pause;
652                         if (be_pause_supported(adapter))
653                                 advertising |= ADVERTISED_Pause;
654                 } else {
655                         cmd->base.port = PORT_OTHER;
656                         cmd->base.autoneg = AUTONEG_DISABLE;
657                 }
658
659                 /* Save for future use */
660                 adapter->phy.link_speed = cmd->base.speed;
661                 adapter->phy.port_type = cmd->base.port;
662                 adapter->phy.autoneg = cmd->base.autoneg;
663                 adapter->phy.advertising = advertising;
664                 adapter->phy.supported = supported;
665         } else {
666                 cmd->base.speed = adapter->phy.link_speed;
667                 cmd->base.port = adapter->phy.port_type;
668                 cmd->base.autoneg = adapter->phy.autoneg;
669                 advertising = adapter->phy.advertising;
670                 supported = adapter->phy.supported;
671         }
672
673         cmd->base.duplex = netif_carrier_ok(netdev) ?
674                 DUPLEX_FULL : DUPLEX_UNKNOWN;
675         cmd->base.phy_address = adapter->port_num;
676
677         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
678                                                 supported);
679         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
680                                                 advertising);
681
682         return 0;
683 }
684
685 static void be_get_ringparam(struct net_device *netdev,
686                              struct ethtool_ringparam *ring,
687                              struct kernel_ethtool_ringparam *kernel_ring,
688                              struct netlink_ext_ack *extack)
689 {
690         struct be_adapter *adapter = netdev_priv(netdev);
691
692         ring->rx_max_pending = adapter->rx_obj[0].q.len;
693         ring->rx_pending = adapter->rx_obj[0].q.len;
694         ring->tx_max_pending = adapter->tx_obj[0].q.len;
695         ring->tx_pending = adapter->tx_obj[0].q.len;
696 }
697
698 static void
699 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
700 {
701         struct be_adapter *adapter = netdev_priv(netdev);
702
703         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
704         ecmd->autoneg = adapter->phy.fc_autoneg;
705 }
706
707 static int
708 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
709 {
710         struct be_adapter *adapter = netdev_priv(netdev);
711         int status;
712
713         if (ecmd->autoneg != adapter->phy.fc_autoneg)
714                 return -EINVAL;
715
716         status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
717                                          ecmd->rx_pause);
718         if (status) {
719                 dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
720                 return be_cmd_status(status);
721         }
722
723         adapter->tx_fc = ecmd->tx_pause;
724         adapter->rx_fc = ecmd->rx_pause;
725         return 0;
726 }
727
728 static int be_set_phys_id(struct net_device *netdev,
729                           enum ethtool_phys_id_state state)
730 {
731         struct be_adapter *adapter = netdev_priv(netdev);
732         int status = 0;
733
734         switch (state) {
735         case ETHTOOL_ID_ACTIVE:
736                 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
737                                                  &adapter->beacon_state);
738                 if (status)
739                         return be_cmd_status(status);
740                 return 1;       /* cycle on/off once per second */
741
742         case ETHTOOL_ID_ON:
743                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
744                                                  0, 0, BEACON_STATE_ENABLED);
745                 break;
746
747         case ETHTOOL_ID_OFF:
748                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
749                                                  0, 0, BEACON_STATE_DISABLED);
750                 break;
751
752         case ETHTOOL_ID_INACTIVE:
753                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
754                                                  0, 0, adapter->beacon_state);
755         }
756
757         return be_cmd_status(status);
758 }
759
760 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
761 {
762         struct be_adapter *adapter = netdev_priv(netdev);
763         struct device *dev = &adapter->pdev->dev;
764         int status;
765
766         if (!lancer_chip(adapter) ||
767             !check_privilege(adapter, MAX_PRIVILEGES))
768                 return -EOPNOTSUPP;
769
770         switch (dump->flag) {
771         case LANCER_INITIATE_FW_DUMP:
772                 status = lancer_initiate_dump(adapter);
773                 if (!status)
774                         dev_info(dev, "FW dump initiated successfully\n");
775                 break;
776         case LANCER_DELETE_FW_DUMP:
777                 status = lancer_delete_dump(adapter);
778                 if (!status)
779                         dev_info(dev, "FW dump deleted successfully\n");
780         break;
781         default:
782                 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
783                 return -EINVAL;
784         }
785         return status;
786 }
787
788 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
789 {
790         struct be_adapter *adapter = netdev_priv(netdev);
791
792         if (adapter->wol_cap & BE_WOL_CAP) {
793                 wol->supported |= WAKE_MAGIC;
794                 if (adapter->wol_en)
795                         wol->wolopts |= WAKE_MAGIC;
796         } else {
797                 wol->wolopts = 0;
798         }
799         memset(&wol->sopass, 0, sizeof(wol->sopass));
800 }
801
802 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
803 {
804         struct be_adapter *adapter = netdev_priv(netdev);
805         struct device *dev = &adapter->pdev->dev;
806         struct be_dma_mem cmd;
807         u8 mac[ETH_ALEN];
808         bool enable;
809         int status;
810
811         if (wol->wolopts & ~WAKE_MAGIC)
812                 return -EOPNOTSUPP;
813
814         if (!(adapter->wol_cap & BE_WOL_CAP)) {
815                 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
816                 return -EOPNOTSUPP;
817         }
818
819         cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
820         cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
821         if (!cmd.va)
822                 return -ENOMEM;
823
824         eth_zero_addr(mac);
825
826         enable = wol->wolopts & WAKE_MAGIC;
827         if (enable)
828                 ether_addr_copy(mac, adapter->netdev->dev_addr);
829
830         status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
831         if (status) {
832                 dev_err(dev, "Could not set Wake-on-lan mac address\n");
833                 status = be_cmd_status(status);
834                 goto err;
835         }
836
837         pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
838         pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
839
840         adapter->wol_en = enable ? true : false;
841
842 err:
843         dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
844         return status;
845 }
846
847 static int be_test_ddr_dma(struct be_adapter *adapter)
848 {
849         int ret, i;
850         struct be_dma_mem ddrdma_cmd;
851         static const u64 pattern[2] = {
852                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
853         };
854
855         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
856         ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
857                                            ddrdma_cmd.size, &ddrdma_cmd.dma,
858                                            GFP_KERNEL);
859         if (!ddrdma_cmd.va)
860                 return -ENOMEM;
861
862         for (i = 0; i < 2; i++) {
863                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
864                                           4096, &ddrdma_cmd);
865                 if (ret != 0)
866                         goto err;
867         }
868
869 err:
870         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
871                           ddrdma_cmd.dma);
872         return be_cmd_status(ret);
873 }
874
875 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
876                             u64 *status)
877 {
878         int ret;
879
880         ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
881                                   loopback_type, 1);
882         if (ret)
883                 return ret;
884
885         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
886                                        loopback_type, 1500, 2, 0xabc);
887
888         ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
889                                   BE_NO_LOOPBACK, 1);
890         if (ret)
891                 return ret;
892
893         return *status;
894 }
895
896 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
897                          u64 *data)
898 {
899         struct be_adapter *adapter = netdev_priv(netdev);
900         int status, cnt;
901         u8 link_status = 0;
902
903         if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
904                 dev_err(&adapter->pdev->dev, "Self test not supported\n");
905                 test->flags |= ETH_TEST_FL_FAILED;
906                 return;
907         }
908
909         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
910
911         /* check link status before offline tests */
912         link_status = netif_carrier_ok(netdev);
913
914         if (test->flags & ETH_TEST_FL_OFFLINE) {
915                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
916                         test->flags |= ETH_TEST_FL_FAILED;
917
918                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
919                         test->flags |= ETH_TEST_FL_FAILED;
920
921                 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
922                         if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
923                                              &data[2]) != 0)
924                                 test->flags |= ETH_TEST_FL_FAILED;
925                         test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
926                 }
927         }
928
929         if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
930                 data[3] = 1;
931                 test->flags |= ETH_TEST_FL_FAILED;
932         }
933
934         /* link status was down prior to test */
935         if (!link_status) {
936                 test->flags |= ETH_TEST_FL_FAILED;
937                 data[4] = 1;
938                 return;
939         }
940
941         for (cnt = 10; cnt; cnt--) {
942                 status = be_cmd_link_status_query(adapter, NULL, &link_status,
943                                                   0);
944                 if (status) {
945                         test->flags |= ETH_TEST_FL_FAILED;
946                         data[4] = -1;
947                         break;
948                 }
949
950                 if (link_status)
951                         break;
952
953                 msleep_interruptible(500);
954         }
955 }
956
957 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
958 {
959         struct be_adapter *adapter = netdev_priv(netdev);
960
961         return be_load_fw(adapter, efl->data);
962 }
963
964 static int
965 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
966 {
967         struct be_adapter *adapter = netdev_priv(netdev);
968
969         if (!check_privilege(adapter, MAX_PRIVILEGES))
970                 return -EOPNOTSUPP;
971
972         dump->len = be_get_dump_len(adapter);
973         dump->version = 1;
974         dump->flag = 0x1;       /* FW dump is enabled */
975         return 0;
976 }
977
978 static int
979 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
980                  void *buf)
981 {
982         struct be_adapter *adapter = netdev_priv(netdev);
983         int status;
984
985         if (!check_privilege(adapter, MAX_PRIVILEGES))
986                 return -EOPNOTSUPP;
987
988         status = be_read_dump_data(adapter, dump->len, buf);
989         return be_cmd_status(status);
990 }
991
992 static int be_get_eeprom_len(struct net_device *netdev)
993 {
994         struct be_adapter *adapter = netdev_priv(netdev);
995
996         if (!check_privilege(adapter, MAX_PRIVILEGES))
997                 return 0;
998
999         if (lancer_chip(adapter)) {
1000                 if (be_physfn(adapter))
1001                         return lancer_cmd_get_file_len(adapter,
1002                                                        LANCER_VPD_PF_FILE);
1003                 else
1004                         return lancer_cmd_get_file_len(adapter,
1005                                                        LANCER_VPD_VF_FILE);
1006         } else {
1007                 return BE_READ_SEEPROM_LEN;
1008         }
1009 }
1010
1011 static int be_read_eeprom(struct net_device *netdev,
1012                           struct ethtool_eeprom *eeprom, uint8_t *data)
1013 {
1014         struct be_adapter *adapter = netdev_priv(netdev);
1015         struct be_dma_mem eeprom_cmd;
1016         struct be_cmd_resp_seeprom_read *resp;
1017         int status;
1018
1019         if (!eeprom->len)
1020                 return -EINVAL;
1021
1022         if (lancer_chip(adapter)) {
1023                 if (be_physfn(adapter))
1024                         return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1025                                                     eeprom->len, data);
1026                 else
1027                         return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1028                                                     eeprom->len, data);
1029         }
1030
1031         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1032
1033         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1034         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1035         eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1036                                            eeprom_cmd.size, &eeprom_cmd.dma,
1037                                            GFP_KERNEL);
1038
1039         if (!eeprom_cmd.va)
1040                 return -ENOMEM;
1041
1042         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1043
1044         if (!status) {
1045                 resp = eeprom_cmd.va;
1046                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1047         }
1048         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1049                           eeprom_cmd.dma);
1050
1051         return be_cmd_status(status);
1052 }
1053
1054 static u32 be_get_msg_level(struct net_device *netdev)
1055 {
1056         struct be_adapter *adapter = netdev_priv(netdev);
1057
1058         return adapter->msg_enable;
1059 }
1060
1061 static void be_set_msg_level(struct net_device *netdev, u32 level)
1062 {
1063         struct be_adapter *adapter = netdev_priv(netdev);
1064
1065         if (adapter->msg_enable == level)
1066                 return;
1067
1068         if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1069                 if (BEx_chip(adapter))
1070                         be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1071                                                 FW_LOG_LEVEL_DEFAULT :
1072                                                 FW_LOG_LEVEL_FATAL);
1073         adapter->msg_enable = level;
1074 }
1075
1076 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1077 {
1078         u64 data = 0;
1079
1080         switch (flow_type) {
1081         case TCP_V4_FLOW:
1082                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1083                         data |= RXH_IP_DST | RXH_IP_SRC;
1084                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1085                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1086                 break;
1087         case UDP_V4_FLOW:
1088                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1089                         data |= RXH_IP_DST | RXH_IP_SRC;
1090                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1091                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1092                 break;
1093         case TCP_V6_FLOW:
1094                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1095                         data |= RXH_IP_DST | RXH_IP_SRC;
1096                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1097                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1098                 break;
1099         case UDP_V6_FLOW:
1100                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1101                         data |= RXH_IP_DST | RXH_IP_SRC;
1102                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1103                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1104                 break;
1105         }
1106
1107         return data;
1108 }
1109
1110 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1111                         u32 *rule_locs)
1112 {
1113         struct be_adapter *adapter = netdev_priv(netdev);
1114
1115         if (!be_multi_rxq(adapter)) {
1116                 dev_info(&adapter->pdev->dev,
1117                          "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1118                 return -EINVAL;
1119         }
1120
1121         switch (cmd->cmd) {
1122         case ETHTOOL_GRXFH:
1123                 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1124                 break;
1125         case ETHTOOL_GRXRINGS:
1126                 cmd->data = adapter->num_rx_qs;
1127                 break;
1128         default:
1129                 return -EINVAL;
1130         }
1131
1132         return 0;
1133 }
1134
1135 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1136                                 struct ethtool_rxnfc *cmd)
1137 {
1138         int status;
1139         u32 rss_flags = adapter->rss_info.rss_flags;
1140
1141         if (cmd->data != L3_RSS_FLAGS &&
1142             cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1143                 return -EINVAL;
1144
1145         switch (cmd->flow_type) {
1146         case TCP_V4_FLOW:
1147                 if (cmd->data == L3_RSS_FLAGS)
1148                         rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1149                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1150                         rss_flags |= RSS_ENABLE_IPV4 |
1151                                         RSS_ENABLE_TCP_IPV4;
1152                 break;
1153         case TCP_V6_FLOW:
1154                 if (cmd->data == L3_RSS_FLAGS)
1155                         rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1156                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1157                         rss_flags |= RSS_ENABLE_IPV6 |
1158                                         RSS_ENABLE_TCP_IPV6;
1159                 break;
1160         case UDP_V4_FLOW:
1161                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1162                     BEx_chip(adapter))
1163                         return -EINVAL;
1164
1165                 if (cmd->data == L3_RSS_FLAGS)
1166                         rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1167                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1168                         rss_flags |= RSS_ENABLE_IPV4 |
1169                                         RSS_ENABLE_UDP_IPV4;
1170                 break;
1171         case UDP_V6_FLOW:
1172                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1173                     BEx_chip(adapter))
1174                         return -EINVAL;
1175
1176                 if (cmd->data == L3_RSS_FLAGS)
1177                         rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1178                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1179                         rss_flags |= RSS_ENABLE_IPV6 |
1180                                         RSS_ENABLE_UDP_IPV6;
1181                 break;
1182         default:
1183                 return -EINVAL;
1184         }
1185
1186         if (rss_flags == adapter->rss_info.rss_flags)
1187                 return 0;
1188
1189         status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1190                                    rss_flags, RSS_INDIR_TABLE_LEN,
1191                                    adapter->rss_info.rss_hkey);
1192         if (!status)
1193                 adapter->rss_info.rss_flags = rss_flags;
1194
1195         return be_cmd_status(status);
1196 }
1197
1198 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1199 {
1200         struct be_adapter *adapter = netdev_priv(netdev);
1201         int status = 0;
1202
1203         if (!be_multi_rxq(adapter)) {
1204                 dev_err(&adapter->pdev->dev,
1205                         "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1206                 return -EINVAL;
1207         }
1208
1209         switch (cmd->cmd) {
1210         case ETHTOOL_SRXFH:
1211                 status = be_set_rss_hash_opts(adapter, cmd);
1212                 break;
1213         default:
1214                 return -EINVAL;
1215         }
1216
1217         return status;
1218 }
1219
1220 static void be_get_channels(struct net_device *netdev,
1221                             struct ethtool_channels *ch)
1222 {
1223         struct be_adapter *adapter = netdev_priv(netdev);
1224         u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1225
1226         /* num_tx_qs is always same as the number of irqs used for TX */
1227         ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1228         ch->rx_count = num_rx_irqs - ch->combined_count;
1229         ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1230
1231         ch->max_combined = be_max_qp_irqs(adapter);
1232         /* The user must create atleast one combined channel */
1233         ch->max_rx = be_max_rx_irqs(adapter) - 1;
1234         ch->max_tx = be_max_tx_irqs(adapter) - 1;
1235 }
1236
1237 static int be_set_channels(struct net_device  *netdev,
1238                            struct ethtool_channels *ch)
1239 {
1240         struct be_adapter *adapter = netdev_priv(netdev);
1241         int status;
1242
1243         /* we support either only combined channels or a combination of
1244          * combined and either RX-only or TX-only channels.
1245          */
1246         if (ch->other_count || !ch->combined_count ||
1247             (ch->rx_count && ch->tx_count))
1248                 return -EINVAL;
1249
1250         if (ch->combined_count > be_max_qp_irqs(adapter) ||
1251             (ch->rx_count &&
1252              (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1253             (ch->tx_count &&
1254              (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1255                 return -EINVAL;
1256
1257         adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1258         adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1259
1260         status = be_update_queues(adapter);
1261         return be_cmd_status(status);
1262 }
1263
1264 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1265 {
1266         return RSS_INDIR_TABLE_LEN;
1267 }
1268
1269 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1270 {
1271         return RSS_HASH_KEY_LEN;
1272 }
1273
1274 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1275                        u8 *hfunc)
1276 {
1277         struct be_adapter *adapter = netdev_priv(netdev);
1278         int i;
1279         struct rss_info *rss = &adapter->rss_info;
1280
1281         if (indir) {
1282                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1283                         indir[i] = rss->rss_queue[i];
1284         }
1285
1286         if (hkey)
1287                 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1288
1289         if (hfunc)
1290                 *hfunc = ETH_RSS_HASH_TOP;
1291
1292         return 0;
1293 }
1294
1295 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1296                        const u8 *hkey, const u8 hfunc)
1297 {
1298         int rc = 0, i, j;
1299         struct be_adapter *adapter = netdev_priv(netdev);
1300         u8 rsstable[RSS_INDIR_TABLE_LEN];
1301
1302         /* We do not allow change in unsupported parameters */
1303         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1304                 return -EOPNOTSUPP;
1305
1306         if (indir) {
1307                 struct be_rx_obj *rxo;
1308
1309                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1310                         j = indir[i];
1311                         rxo = &adapter->rx_obj[j];
1312                         rsstable[i] = rxo->rss_id;
1313                         adapter->rss_info.rss_queue[i] = j;
1314                 }
1315         } else {
1316                 memcpy(rsstable, adapter->rss_info.rsstable,
1317                        RSS_INDIR_TABLE_LEN);
1318         }
1319
1320         if (!hkey)
1321                 hkey =  adapter->rss_info.rss_hkey;
1322
1323         rc = be_cmd_rss_config(adapter, rsstable,
1324                                adapter->rss_info.rss_flags,
1325                                RSS_INDIR_TABLE_LEN, hkey);
1326         if (rc) {
1327                 adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1328                 return -EIO;
1329         }
1330         memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1331         memcpy(adapter->rss_info.rsstable, rsstable,
1332                RSS_INDIR_TABLE_LEN);
1333         return 0;
1334 }
1335
1336 static int be_get_module_info(struct net_device *netdev,
1337                               struct ethtool_modinfo *modinfo)
1338 {
1339         struct be_adapter *adapter = netdev_priv(netdev);
1340         u8 page_data[PAGE_DATA_LEN];
1341         int status;
1342
1343         if (!check_privilege(adapter, MAX_PRIVILEGES))
1344                 return -EOPNOTSUPP;
1345
1346         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1347                                                    0, PAGE_DATA_LEN, page_data);
1348         if (!status) {
1349                 if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1350                         modinfo->type = ETH_MODULE_SFF_8079;
1351                         modinfo->eeprom_len = PAGE_DATA_LEN;
1352                 } else {
1353                         modinfo->type = ETH_MODULE_SFF_8472;
1354                         modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1355                 }
1356         }
1357         return be_cmd_status(status);
1358 }
1359
1360 static int be_get_module_eeprom(struct net_device *netdev,
1361                                 struct ethtool_eeprom *eeprom, u8 *data)
1362 {
1363         struct be_adapter *adapter = netdev_priv(netdev);
1364         int status;
1365         u32 begin, end;
1366
1367         if (!check_privilege(adapter, MAX_PRIVILEGES))
1368                 return -EOPNOTSUPP;
1369
1370         begin = eeprom->offset;
1371         end = eeprom->offset + eeprom->len;
1372
1373         if (begin < PAGE_DATA_LEN) {
1374                 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0, begin,
1375                                                            min_t(u32, end, PAGE_DATA_LEN) - begin,
1376                                                            data);
1377                 if (status)
1378                         goto err;
1379
1380                 data += PAGE_DATA_LEN - begin;
1381                 begin = PAGE_DATA_LEN;
1382         }
1383
1384         if (end > PAGE_DATA_LEN) {
1385                 status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A2,
1386                                                            begin - PAGE_DATA_LEN,
1387                                                            end - begin, data);
1388                 if (status)
1389                         goto err;
1390         }
1391 err:
1392         return be_cmd_status(status);
1393 }
1394
1395 static u32 be_get_priv_flags(struct net_device *netdev)
1396 {
1397         struct be_adapter *adapter = netdev_priv(netdev);
1398
1399         return adapter->priv_flags;
1400 }
1401
1402 static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1403 {
1404         struct be_adapter *adapter = netdev_priv(netdev);
1405         bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1406         bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1407
1408         if (tpe_old != tpe_new) {
1409                 if (tpe_new) {
1410                         adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1411                         dev_info(&adapter->pdev->dev,
1412                                  "HW error recovery is disabled\n");
1413                 } else {
1414                         adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1415                         dev_info(&adapter->pdev->dev,
1416                                  "HW error recovery is enabled\n");
1417                 }
1418         }
1419
1420         return 0;
1421 }
1422
1423 const struct ethtool_ops be_ethtool_ops = {
1424         .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
1425                                      ETHTOOL_COALESCE_USE_ADAPTIVE |
1426                                      ETHTOOL_COALESCE_USECS_LOW_HIGH,
1427         .get_drvinfo = be_get_drvinfo,
1428         .get_wol = be_get_wol,
1429         .set_wol = be_set_wol,
1430         .get_link = ethtool_op_get_link,
1431         .get_eeprom_len = be_get_eeprom_len,
1432         .get_eeprom = be_read_eeprom,
1433         .get_coalesce = be_get_coalesce,
1434         .set_coalesce = be_set_coalesce,
1435         .get_ringparam = be_get_ringparam,
1436         .get_pauseparam = be_get_pauseparam,
1437         .set_pauseparam = be_set_pauseparam,
1438         .set_priv_flags = be_set_priv_flags,
1439         .get_priv_flags = be_get_priv_flags,
1440         .get_strings = be_get_stat_strings,
1441         .set_phys_id = be_set_phys_id,
1442         .set_dump = be_set_dump,
1443         .get_msglevel = be_get_msg_level,
1444         .set_msglevel = be_set_msg_level,
1445         .get_sset_count = be_get_sset_count,
1446         .get_ethtool_stats = be_get_ethtool_stats,
1447         .flash_device = be_do_flash,
1448         .self_test = be_self_test,
1449         .get_rxnfc = be_get_rxnfc,
1450         .set_rxnfc = be_set_rxnfc,
1451         .get_rxfh_indir_size = be_get_rxfh_indir_size,
1452         .get_rxfh_key_size = be_get_rxfh_key_size,
1453         .get_rxfh = be_get_rxfh,
1454         .set_rxfh = be_set_rxfh,
1455         .get_dump_flag = be_get_dump_flag,
1456         .get_dump_data = be_get_dump_data,
1457         .get_channels = be_get_channels,
1458         .set_channels = be_set_channels,
1459         .get_module_info = be_get_module_info,
1460         .get_module_eeprom = be_get_module_eeprom,
1461         .get_link_ksettings = be_get_link_ksettings,
1462 };