drivers/net/ethernet/emulex/benet/be_ethtool.c

   1 /*
   2  * Copyright (C) 2005 - 2014 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         /* Received packets dropped when the RX block runs out of space in
  82          * one of its input FIFOs. This could happen due a long burst of
  83          * minimum-sized (64b) frames in the receive path.
  84          * This counter may also be erroneously incremented rarely.
  85          */
  86         {DRVSTAT_INFO(rx_input_fifo_overflow_drop)},
  87         {DRVSTAT_INFO(rx_ip_checksum_errs)},
  88         {DRVSTAT_INFO(rx_tcp_checksum_errs)},
  89         {DRVSTAT_INFO(rx_udp_checksum_errs)},
  90         {DRVSTAT_INFO(tx_pauseframes)},
  91         {DRVSTAT_INFO(tx_controlframes)},
  92         {DRVSTAT_INFO(rx_priority_pause_frames)},
  93         {DRVSTAT_INFO(tx_priority_pauseframes)},
  94         /* Received packets dropped when an internal fifo going into
  95          * main packet buffer tank (PMEM) overflows.
  96          */
  97         {DRVSTAT_INFO(pmem_fifo_overflow_drop)},
  98         {DRVSTAT_INFO(jabber_events)},
  99         /* Received packets dropped due to lack of available HW packet buffers
 100          * used to temporarily hold the received packets.
 101          */
 102         {DRVSTAT_INFO(rx_drops_no_pbuf)},
 103         /* Received packets dropped due to input receive buffer
 104          * descriptor fifo overflowing.
 105          */
 106         {DRVSTAT_INFO(rx_drops_no_erx_descr)},
 107         /* Packets dropped because the internal FIFO to the offloaded TCP
 108          * receive processing block is full. This could happen only for
 109          * offloaded iSCSI or FCoE trarffic.
 110          */
 111         {DRVSTAT_INFO(rx_drops_no_tpre_descr)},
 112         /* Received packets dropped when they need more than 8
 113          * receive buffers. This cannot happen as the driver configures
 114          * 2048 byte receive buffers.
 115          */
 116         {DRVSTAT_INFO(rx_drops_too_many_frags)},
 117         {DRVSTAT_INFO(forwarded_packets)},
 118         /* Received packets dropped when the frame length
 119          * is more than 9018 bytes
 120          */
 121         {DRVSTAT_INFO(rx_drops_mtu)},
 122         /* Number of dma mapping errors */
 123         {DRVSTAT_INFO(dma_map_errors)},
 124         /* Number of packets dropped due to random early drop function */
 125         {DRVSTAT_INFO(eth_red_drops)},
 126         {DRVSTAT_INFO(be_on_die_temperature)},
 127         {DRVSTAT_INFO(rx_roce_bytes_lsd)},
 128         {DRVSTAT_INFO(rx_roce_bytes_msd)},
 129         {DRVSTAT_INFO(rx_roce_frames)},
 130         {DRVSTAT_INFO(roce_drops_payload_len)},
 131         {DRVSTAT_INFO(roce_drops_crc)}
 132 };
 133
 134 #define ETHTOOL_STATS_NUM ARRAY_SIZE(et_stats)
 135
 136 /* Stats related to multi RX queues: get_stats routine assumes bytes, pkts
 137  * are first and second members respectively.
 138  */
 139 static const struct be_ethtool_stat et_rx_stats[] = {
 140         {DRVSTAT_RX_INFO(rx_bytes)},/* If moving this member see above note */
 141         {DRVSTAT_RX_INFO(rx_pkts)}, /* If moving this member see above note */
 142         {DRVSTAT_RX_INFO(rx_compl)},
 143         {DRVSTAT_RX_INFO(rx_compl_err)},
 144         {DRVSTAT_RX_INFO(rx_mcast_pkts)},
 145         /* Number of page allocation failures while posting receive buffers
 146          * to HW.
 147          */
 148         {DRVSTAT_RX_INFO(rx_post_fail)},
 149         /* Recevied packets dropped due to skb allocation failure */
 150         {DRVSTAT_RX_INFO(rx_drops_no_skbs)},
 151         /* Received packets dropped due to lack of available fetched buffers
 152          * posted by the driver.
 153          */
 154         {DRVSTAT_RX_INFO(rx_drops_no_frags)}
 155 };
 156
 157 #define ETHTOOL_RXSTATS_NUM (ARRAY_SIZE(et_rx_stats))
 158
 159 /* Stats related to multi TX queues: get_stats routine assumes compl is the
 160  * first member
 161  */
 162 static const struct be_ethtool_stat et_tx_stats[] = {
 163         {DRVSTAT_TX_INFO(tx_compl)}, /* If moving this member see above note */
 164         /* This counter is incremented when the HW encounters an error while
 165          * parsing the packet header of an outgoing TX request. This counter is
 166          * applicable only for BE2, BE3 and Skyhawk based adapters.
 167          */
 168         {DRVSTAT_TX_INFO(tx_hdr_parse_err)},
 169         /* This counter is incremented when an error occurs in the DMA
 170          * operation associated with the TX request from the host to the device.
 171          */
 172         {DRVSTAT_TX_INFO(tx_dma_err)},
 173         /* This counter is incremented when MAC or VLAN spoof checking is
 174          * enabled on the interface and the TX request fails the spoof check
 175          * in HW.
 176          */
 177         {DRVSTAT_TX_INFO(tx_spoof_check_err)},
 178         /* This counter is incremented when the HW encounters an error while
 179          * performing TSO offload. This counter is applicable only for Lancer
 180          * adapters.
 181          */
 182         {DRVSTAT_TX_INFO(tx_tso_err)},
 183         /* This counter is incremented when the HW detects Q-in-Q style VLAN
 184          * tagging in a packet and such tagging is not expected on the outgoing
 185          * interface. This counter is applicable only for Lancer adapters.
 186          */
 187         {DRVSTAT_TX_INFO(tx_qinq_err)},
 188         /* This counter is incremented when the HW detects parity errors in the
 189          * packet data. This counter is applicable only for Lancer adapters.
 190          */
 191         {DRVSTAT_TX_INFO(tx_internal_parity_err)},
 192         {DRVSTAT_TX_INFO(tx_bytes)},
 193         {DRVSTAT_TX_INFO(tx_pkts)},
 194         /* Number of skbs queued for trasmission by the driver */
 195         {DRVSTAT_TX_INFO(tx_reqs)},
 196         /* Number of times the TX queue was stopped due to lack
 197          * of spaces in the TXQ.
 198          */
 199         {DRVSTAT_TX_INFO(tx_stops)},
 200         /* Pkts dropped in the driver's transmit path */
 201         {DRVSTAT_TX_INFO(tx_drv_drops)}
 202 };
 203
 204 #define ETHTOOL_TXSTATS_NUM (ARRAY_SIZE(et_tx_stats))
 205
 206 static const char et_self_tests[][ETH_GSTRING_LEN] = {
 207         "MAC Loopback test",
 208         "PHY Loopback test",
 209         "External Loopback test",
 210         "DDR DMA test",
 211         "Link test"
 212 };
 213
 214 #define ETHTOOL_TESTS_NUM ARRAY_SIZE(et_self_tests)
 215 #define BE_MAC_LOOPBACK 0x0
 216 #define BE_PHY_LOOPBACK 0x1
 217 #define BE_ONE_PORT_EXT_LOOPBACK 0x2
 218 #define BE_NO_LOOPBACK 0xff
 219
 220 static void be_get_drvinfo(struct net_device *netdev,
 221                            struct ethtool_drvinfo *drvinfo)
 222 {
 223         struct be_adapter *adapter = netdev_priv(netdev);
 224
 225         strlcpy(drvinfo->driver, DRV_NAME, sizeof(drvinfo->driver));
 226         strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
 227         if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
 228                 strlcpy(drvinfo->fw_version, adapter->fw_ver,
 229                         sizeof(drvinfo->fw_version));
 230         else
 231                 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 232                          "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
 233
 234         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 235                 sizeof(drvinfo->bus_info));
 236         drvinfo->testinfo_len = 0;
 237         drvinfo->regdump_len = 0;
 238         drvinfo->eedump_len = 0;
 239 }
 240
 241 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
 242 {
 243         u32 data_read = 0, eof;
 244         u8 addn_status;
 245         struct be_dma_mem data_len_cmd;
 246         int status;
 247
 248         memset(&data_len_cmd, 0, sizeof(data_len_cmd));
 249         /* data_offset and data_size should be 0 to get reg len */
 250         status = lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0,
 251                                         file_name, &data_read, &eof,
 252                                         &addn_status);
 253
 254         return data_read;
 255 }
 256
 257 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
 258                                 u32 buf_len, void *buf)
 259 {
 260         struct be_dma_mem read_cmd;
 261         u32 read_len = 0, total_read_len = 0, chunk_size;
 262         u32 eof = 0;
 263         u8 addn_status;
 264         int status = 0;
 265
 266         read_cmd.size = LANCER_READ_FILE_CHUNK;
 267         read_cmd.va = pci_alloc_consistent(adapter->pdev, read_cmd.size,
 268                                            &read_cmd.dma);
 269
 270         if (!read_cmd.va) {
 271                 dev_err(&adapter->pdev->dev,
 272                         "Memory allocation failure while reading dump\n");
 273                 return -ENOMEM;
 274         }
 275
 276         while ((total_read_len < buf_len) && !eof) {
 277                 chunk_size = min_t(u32, (buf_len - total_read_len),
 278                                    LANCER_READ_FILE_CHUNK);
 279                 chunk_size = ALIGN(chunk_size, 4);
 280                 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
 281                                                 total_read_len, file_name,
 282                                                 &read_len, &eof, &addn_status);
 283                 if (!status) {
 284                         memcpy(buf + total_read_len, read_cmd.va, read_len);
 285                         total_read_len += read_len;
 286                         eof &= LANCER_READ_FILE_EOF_MASK;
 287                 } else {
 288                         status = -EIO;
 289                         break;
 290                 }
 291         }
 292         pci_free_consistent(adapter->pdev, read_cmd.size, read_cmd.va,
 293                             read_cmd.dma);
 294
 295         return status;
 296 }
 297
 298 static int be_get_reg_len(struct net_device *netdev)
 299 {
 300         struct be_adapter *adapter = netdev_priv(netdev);
 301         u32 log_size = 0;
 302
 303         if (!check_privilege(adapter, MAX_PRIVILEGES))
 304                 return 0;
 305
 306         if (be_physfn(adapter)) {
 307                 if (lancer_chip(adapter))
 308                         log_size = lancer_cmd_get_file_len(adapter,
 309                                                            LANCER_FW_DUMP_FILE);
 310                 else
 311                         be_cmd_get_reg_len(adapter, &log_size);
 312         }
 313         return log_size;
 314 }
 315
 316 static void
 317 be_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *buf)
 318 {
 319         struct be_adapter *adapter = netdev_priv(netdev);
 320
 321         if (be_physfn(adapter)) {
 322                 memset(buf, 0, regs->len);
 323                 if (lancer_chip(adapter))
 324                         lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
 325                                              regs->len, buf);
 326                 else
 327                         be_cmd_get_regs(adapter, regs->len, buf);
 328         }
 329 }
 330
 331 static int be_get_coalesce(struct net_device *netdev,
 332                            struct ethtool_coalesce *et)
 333 {
 334         struct be_adapter *adapter = netdev_priv(netdev);
 335         struct be_aic_obj *aic = &adapter->aic_obj[0];
 336
 337         et->rx_coalesce_usecs = aic->prev_eqd;
 338         et->rx_coalesce_usecs_high = aic->max_eqd;
 339         et->rx_coalesce_usecs_low = aic->min_eqd;
 340
 341         et->tx_coalesce_usecs = aic->prev_eqd;
 342         et->tx_coalesce_usecs_high = aic->max_eqd;
 343         et->tx_coalesce_usecs_low = aic->min_eqd;
 344
 345         et->use_adaptive_rx_coalesce = aic->enable;
 346         et->use_adaptive_tx_coalesce = aic->enable;
 347
 348         return 0;
 349 }
 350
 351 /* TX attributes are ignored. Only RX attributes are considered
 352  * eqd cmd is issued in the worker thread.
 353  */
 354 static int be_set_coalesce(struct net_device *netdev,
 355                            struct ethtool_coalesce *et)
 356 {
 357         struct be_adapter *adapter = netdev_priv(netdev);
 358         struct be_aic_obj *aic = &adapter->aic_obj[0];
 359         struct be_eq_obj *eqo;
 360         int i;
 361
 362         for_all_evt_queues(adapter, eqo, i) {
 363                 aic->enable = et->use_adaptive_rx_coalesce;
 364                 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
 365                 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
 366                 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
 367                 aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
 368                 aic++;
 369         }
 370
 371         return 0;
 372 }
 373
 374 static void be_get_ethtool_stats(struct net_device *netdev,
 375                                  struct ethtool_stats *stats, uint64_t *data)
 376 {
 377         struct be_adapter *adapter = netdev_priv(netdev);
 378         struct be_rx_obj *rxo;
 379         struct be_tx_obj *txo;
 380         void *p;
 381         unsigned int i, j, base = 0, start;
 382
 383         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 384                 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
 385                 data[i] = *(u32 *)p;
 386         }
 387         base += ETHTOOL_STATS_NUM;
 388
 389         for_all_rx_queues(adapter, rxo, j) {
 390                 struct be_rx_stats *stats = rx_stats(rxo);
 391
 392                 do {
 393                         start = u64_stats_fetch_begin_irq(&stats->sync);
 394                         data[base] = stats->rx_bytes;
 395                         data[base + 1] = stats->rx_pkts;
 396                 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 397
 398                 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
 399                         p = (u8 *)stats + et_rx_stats[i].offset;
 400                         data[base + i] = *(u32 *)p;
 401                 }
 402                 base += ETHTOOL_RXSTATS_NUM;
 403         }
 404
 405         for_all_tx_queues(adapter, txo, j) {
 406                 struct be_tx_stats *stats = tx_stats(txo);
 407
 408                 do {
 409                         start = u64_stats_fetch_begin_irq(&stats->sync_compl);
 410                         data[base] = stats->tx_compl;
 411                 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
 412
 413                 do {
 414                         start = u64_stats_fetch_begin_irq(&stats->sync);
 415                         for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
 416                                 p = (u8 *)stats + et_tx_stats[i].offset;
 417                                 data[base + i] =
 418                                         (et_tx_stats[i].size == sizeof(u64)) ?
 419                                                 *(u64 *)p : *(u32 *)p;
 420                         }
 421                 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 422                 base += ETHTOOL_TXSTATS_NUM;
 423         }
 424 }
 425
 426 static void be_get_stat_strings(struct net_device *netdev, uint32_t stringset,
 427                                 uint8_t *data)
 428 {
 429         struct be_adapter *adapter = netdev_priv(netdev);
 430         int i, j;
 431
 432         switch (stringset) {
 433         case ETH_SS_STATS:
 434                 for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 435                         memcpy(data, et_stats[i].desc, ETH_GSTRING_LEN);
 436                         data += ETH_GSTRING_LEN;
 437                 }
 438                 for (i = 0; i < adapter->num_rx_qs; i++) {
 439                         for (j = 0; j < ETHTOOL_RXSTATS_NUM; j++) {
 440                                 sprintf(data, "rxq%d: %s", i,
 441                                         et_rx_stats[j].desc);
 442                                 data += ETH_GSTRING_LEN;
 443                         }
 444                 }
 445                 for (i = 0; i < adapter->num_tx_qs; i++) {
 446                         for (j = 0; j < ETHTOOL_TXSTATS_NUM; j++) {
 447                                 sprintf(data, "txq%d: %s", i,
 448                                         et_tx_stats[j].desc);
 449                                 data += ETH_GSTRING_LEN;
 450                         }
 451                 }
 452                 break;
 453         case ETH_SS_TEST:
 454                 for (i = 0; i < ETHTOOL_TESTS_NUM; i++) {
 455                         memcpy(data, et_self_tests[i], ETH_GSTRING_LEN);
 456                         data += ETH_GSTRING_LEN;
 457                 }
 458                 break;
 459         }
 460 }
 461
 462 static int be_get_sset_count(struct net_device *netdev, int stringset)
 463 {
 464         struct be_adapter *adapter = netdev_priv(netdev);
 465
 466         switch (stringset) {
 467         case ETH_SS_TEST:
 468                 return ETHTOOL_TESTS_NUM;
 469         case ETH_SS_STATS:
 470                 return ETHTOOL_STATS_NUM +
 471                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 472                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 473         default:
 474                 return -EINVAL;
 475         }
 476 }
 477
 478 static u32 be_get_port_type(struct be_adapter *adapter)
 479 {
 480         u32 port;
 481
 482         switch (adapter->phy.interface_type) {
 483         case PHY_TYPE_BASET_1GB:
 484         case PHY_TYPE_BASEX_1GB:
 485         case PHY_TYPE_SGMII:
 486                 port = PORT_TP;
 487                 break;
 488         case PHY_TYPE_SFP_PLUS_10GB:
 489                 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
 490                         port = PORT_DA;
 491                 else
 492                         port = PORT_FIBRE;
 493                 break;
 494         case PHY_TYPE_QSFP:
 495                 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
 496                         port = PORT_DA;
 497                 else
 498                         port = PORT_FIBRE;
 499                 break;
 500         case PHY_TYPE_XFP_10GB:
 501         case PHY_TYPE_SFP_1GB:
 502                 port = PORT_FIBRE;
 503                 break;
 504         case PHY_TYPE_BASET_10GB:
 505                 port = PORT_TP;
 506                 break;
 507         default:
 508                 port = PORT_OTHER;
 509         }
 510
 511         return port;
 512 }
 513
 514 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
 515 {
 516         u32 val = 0;
 517
 518         switch (adapter->phy.interface_type) {
 519         case PHY_TYPE_BASET_1GB:
 520         case PHY_TYPE_BASEX_1GB:
 521         case PHY_TYPE_SGMII:
 522                 val |= SUPPORTED_TP;
 523                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 524                         val |= SUPPORTED_1000baseT_Full;
 525                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 526                         val |= SUPPORTED_100baseT_Full;
 527                 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 528                         val |= SUPPORTED_10baseT_Full;
 529                 break;
 530         case PHY_TYPE_KX4_10GB:
 531                 val |= SUPPORTED_Backplane;
 532                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 533                         val |= SUPPORTED_1000baseKX_Full;
 534                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 535                         val |= SUPPORTED_10000baseKX4_Full;
 536                 break;
 537         case PHY_TYPE_KR2_20GB:
 538                 val |= SUPPORTED_Backplane;
 539                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 540                         val |= SUPPORTED_10000baseKR_Full;
 541                 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
 542                         val |= SUPPORTED_20000baseKR2_Full;
 543                 break;
 544         case PHY_TYPE_KR_10GB:
 545                 val |= SUPPORTED_Backplane |
 546                                 SUPPORTED_10000baseKR_Full;
 547                 break;
 548         case PHY_TYPE_KR4_40GB:
 549                 val |= SUPPORTED_Backplane;
 550                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 551                         val |= SUPPORTED_10000baseKR_Full;
 552                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
 553                         val |= SUPPORTED_40000baseKR4_Full;
 554                 break;
 555         case PHY_TYPE_QSFP:
 556                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
 557                         switch (adapter->phy.cable_type) {
 558                         case QSFP_PLUS_CR4_CABLE:
 559                                 val |= SUPPORTED_40000baseCR4_Full;
 560                                 break;
 561                         case QSFP_PLUS_LR4_CABLE:
 562                                 val |= SUPPORTED_40000baseLR4_Full;
 563                                 break;
 564                         default:
 565                                 val |= SUPPORTED_40000baseSR4_Full;
 566                                 break;
 567                         }
 568                 }
 569         case PHY_TYPE_SFP_PLUS_10GB:
 570         case PHY_TYPE_XFP_10GB:
 571         case PHY_TYPE_SFP_1GB:
 572                 val |= SUPPORTED_FIBRE;
 573                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 574                         val |= SUPPORTED_10000baseT_Full;
 575                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 576                         val |= SUPPORTED_1000baseT_Full;
 577                 break;
 578         case PHY_TYPE_BASET_10GB:
 579                 val |= SUPPORTED_TP;
 580                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 581                         val |= SUPPORTED_10000baseT_Full;
 582                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 583                         val |= SUPPORTED_1000baseT_Full;
 584                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 585                         val |= SUPPORTED_100baseT_Full;
 586                 break;
 587         default:
 588                 val |= SUPPORTED_TP;
 589         }
 590
 591         return val;
 592 }
 593
 594 bool be_pause_supported(struct be_adapter *adapter)
 595 {
 596         return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 597                 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 598                 false : true;
 599 }
 600
 601 static int be_get_settings(struct net_device *netdev, struct ethtool_cmd *ecmd)
 602 {
 603         struct be_adapter *adapter = netdev_priv(netdev);
 604         u8 link_status;
 605         u16 link_speed = 0;
 606         int status;
 607         u32 auto_speeds;
 608         u32 fixed_speeds;
 609
 610         if (adapter->phy.link_speed < 0) {
 611                 status = be_cmd_link_status_query(adapter, &link_speed,
 612                                                   &link_status, 0);
 613                 if (!status)
 614                         be_link_status_update(adapter, link_status);
 615                 ethtool_cmd_speed_set(ecmd, link_speed);
 616
 617                 status = be_cmd_get_phy_info(adapter);
 618                 if (!status) {
 619                         auto_speeds = adapter->phy.auto_speeds_supported;
 620                         fixed_speeds = adapter->phy.fixed_speeds_supported;
 621
 622                         be_cmd_query_cable_type(adapter);
 623
 624                         ecmd->supported =
 625                                 convert_to_et_setting(adapter,
 626                                                       auto_speeds |
 627                                                       fixed_speeds);
 628                         ecmd->advertising =
 629                                 convert_to_et_setting(adapter, auto_speeds);
 630
 631                         ecmd->port = be_get_port_type(adapter);
 632
 633                         if (adapter->phy.auto_speeds_supported) {
 634                                 ecmd->supported |= SUPPORTED_Autoneg;
 635                                 ecmd->autoneg = AUTONEG_ENABLE;
 636                                 ecmd->advertising |= ADVERTISED_Autoneg;
 637                         }
 638
 639                         ecmd->supported |= SUPPORTED_Pause;
 640                         if (be_pause_supported(adapter))
 641                                 ecmd->advertising |= ADVERTISED_Pause;
 642
 643                         switch (adapter->phy.interface_type) {
 644                         case PHY_TYPE_KR_10GB:
 645                         case PHY_TYPE_KX4_10GB:
 646                                 ecmd->transceiver = XCVR_INTERNAL;
 647                                 break;
 648                         default:
 649                                 ecmd->transceiver = XCVR_EXTERNAL;
 650                                 break;
 651                         }
 652                 } else {
 653                         ecmd->port = PORT_OTHER;
 654                         ecmd->autoneg = AUTONEG_DISABLE;
 655                         ecmd->transceiver = XCVR_DUMMY1;
 656                 }
 657
 658                 /* Save for future use */
 659                 adapter->phy.link_speed = ethtool_cmd_speed(ecmd);
 660                 adapter->phy.port_type = ecmd->port;
 661                 adapter->phy.transceiver = ecmd->transceiver;
 662                 adapter->phy.autoneg = ecmd->autoneg;
 663                 adapter->phy.advertising = ecmd->advertising;
 664                 adapter->phy.supported = ecmd->supported;
 665         } else {
 666                 ethtool_cmd_speed_set(ecmd, adapter->phy.link_speed);
 667                 ecmd->port = adapter->phy.port_type;
 668                 ecmd->transceiver = adapter->phy.transceiver;
 669                 ecmd->autoneg = adapter->phy.autoneg;
 670                 ecmd->advertising = adapter->phy.advertising;
 671                 ecmd->supported = adapter->phy.supported;
 672         }
 673
 674         ecmd->duplex = netif_carrier_ok(netdev) ? DUPLEX_FULL : DUPLEX_UNKNOWN;
 675         ecmd->phy_address = adapter->port_num;
 676
 677         return 0;
 678 }
 679
 680 static void be_get_ringparam(struct net_device *netdev,
 681                              struct ethtool_ringparam *ring)
 682 {
 683         struct be_adapter *adapter = netdev_priv(netdev);
 684
 685         ring->rx_max_pending = adapter->rx_obj[0].q.len;
 686         ring->rx_pending = adapter->rx_obj[0].q.len;
 687         ring->tx_max_pending = adapter->tx_obj[0].q.len;
 688         ring->tx_pending = adapter->tx_obj[0].q.len;
 689 }
 690
 691 static void
 692 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 693 {
 694         struct be_adapter *adapter = netdev_priv(netdev);
 695
 696         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 697         ecmd->autoneg = adapter->phy.fc_autoneg;
 698 }
 699
 700 static int
 701 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 702 {
 703         struct be_adapter *adapter = netdev_priv(netdev);
 704         int status;
 705
 706         if (ecmd->autoneg != adapter->phy.fc_autoneg)
 707                 return -EINVAL;
 708
 709         status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
 710                                          ecmd->rx_pause);
 711         if (status) {
 712                 dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
 713                 return be_cmd_status(status);
 714         }
 715
 716         adapter->tx_fc = ecmd->tx_pause;
 717         adapter->rx_fc = ecmd->rx_pause;
 718         return 0;
 719 }
 720
 721 static int be_set_phys_id(struct net_device *netdev,
 722                           enum ethtool_phys_id_state state)
 723 {
 724         struct be_adapter *adapter = netdev_priv(netdev);
 725
 726         switch (state) {
 727         case ETHTOOL_ID_ACTIVE:
 728                 be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 729                                         &adapter->beacon_state);
 730                 return 1;       /* cycle on/off once per second */
 731
 732         case ETHTOOL_ID_ON:
 733                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 734                                         BEACON_STATE_ENABLED);
 735                 break;
 736
 737         case ETHTOOL_ID_OFF:
 738                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 739                                         BEACON_STATE_DISABLED);
 740                 break;
 741
 742         case ETHTOOL_ID_INACTIVE:
 743                 be_cmd_set_beacon_state(adapter, adapter->hba_port_num, 0, 0,
 744                                         adapter->beacon_state);
 745         }
 746
 747         return 0;
 748 }
 749
 750 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
 751 {
 752         struct be_adapter *adapter = netdev_priv(netdev);
 753         struct device *dev = &adapter->pdev->dev;
 754         int status;
 755
 756         if (!lancer_chip(adapter) ||
 757             !check_privilege(adapter, MAX_PRIVILEGES))
 758                 return -EOPNOTSUPP;
 759
 760         switch (dump->flag) {
 761         case LANCER_INITIATE_FW_DUMP:
 762                 status = lancer_initiate_dump(adapter);
 763                 if (!status)
 764                         dev_info(dev, "FW dump initiated successfully\n");
 765                 break;
 766         case LANCER_DELETE_FW_DUMP:
 767                 status = lancer_delete_dump(adapter);
 768                 if (!status)
 769                         dev_info(dev, "FW dump deleted successfully\n");
 770         break;
 771         default:
 772                 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
 773                 return -EINVAL;
 774         }
 775         return status;
 776 }
 777
 778 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 779 {
 780         struct be_adapter *adapter = netdev_priv(netdev);
 781
 782         if (adapter->wol_cap & BE_WOL_CAP) {
 783                 wol->supported |= WAKE_MAGIC;
 784                 if (adapter->wol_en)
 785                         wol->wolopts |= WAKE_MAGIC;
 786         } else {
 787                 wol->wolopts = 0;
 788         }
 789         memset(&wol->sopass, 0, sizeof(wol->sopass));
 790 }
 791
 792 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 793 {
 794         struct be_adapter *adapter = netdev_priv(netdev);
 795
 796         if (wol->wolopts & ~WAKE_MAGIC)
 797                 return -EOPNOTSUPP;
 798
 799         if (!(adapter->wol_cap & BE_WOL_CAP)) {
 800                 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 801                 return -EOPNOTSUPP;
 802         }
 803
 804         if (wol->wolopts & WAKE_MAGIC)
 805                 adapter->wol_en = true;
 806         else
 807                 adapter->wol_en = false;
 808
 809         return 0;
 810 }
 811
 812 static int be_test_ddr_dma(struct be_adapter *adapter)
 813 {
 814         int ret, i;
 815         struct be_dma_mem ddrdma_cmd;
 816         static const u64 pattern[2] = {
 817                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 818         };
 819
 820         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 821         ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, ddrdma_cmd.size,
 822                                            &ddrdma_cmd.dma, GFP_KERNEL);
 823         if (!ddrdma_cmd.va)
 824                 return -ENOMEM;
 825
 826         for (i = 0; i < 2; i++) {
 827                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 828                                           4096, &ddrdma_cmd);
 829                 if (ret != 0)
 830                         goto err;
 831         }
 832
 833 err:
 834         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 835                           ddrdma_cmd.dma);
 836         return be_cmd_status(ret);
 837 }
 838
 839 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 840                             u64 *status)
 841 {
 842         be_cmd_set_loopback(adapter, adapter->hba_port_num, loopback_type, 1);
 843         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 844                                        loopback_type, 1500, 2, 0xabc);
 845         be_cmd_set_loopback(adapter, adapter->hba_port_num, BE_NO_LOOPBACK, 1);
 846         return *status;
 847 }
 848
 849 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
 850                          u64 *data)
 851 {
 852         struct be_adapter *adapter = netdev_priv(netdev);
 853         int status;
 854         u8 link_status = 0;
 855
 856         if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 857                 dev_err(&adapter->pdev->dev, "Self test not supported\n");
 858                 test->flags |= ETH_TEST_FL_FAILED;
 859                 return;
 860         }
 861
 862         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 863
 864         if (test->flags & ETH_TEST_FL_OFFLINE) {
 865                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
 866                         test->flags |= ETH_TEST_FL_FAILED;
 867
 868                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
 869                         test->flags |= ETH_TEST_FL_FAILED;
 870
 871                 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 872                         if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 873                                              &data[2]) != 0)
 874                                 test->flags |= ETH_TEST_FL_FAILED;
 875                         test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 876                 }
 877         }
 878
 879         if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 880                 data[3] = 1;
 881                 test->flags |= ETH_TEST_FL_FAILED;
 882         }
 883
 884         status = be_cmd_link_status_query(adapter, NULL, &link_status, 0);
 885         if (status) {
 886                 test->flags |= ETH_TEST_FL_FAILED;
 887                 data[4] = -1;
 888         } else if (!link_status) {
 889                 test->flags |= ETH_TEST_FL_FAILED;
 890                 data[4] = 1;
 891         }
 892 }
 893
 894 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 895 {
 896         struct be_adapter *adapter = netdev_priv(netdev);
 897
 898         return be_load_fw(adapter, efl->data);
 899 }
 900
 901 static int be_get_eeprom_len(struct net_device *netdev)
 902 {
 903         struct be_adapter *adapter = netdev_priv(netdev);
 904
 905         if (!check_privilege(adapter, MAX_PRIVILEGES))
 906                 return 0;
 907
 908         if (lancer_chip(adapter)) {
 909                 if (be_physfn(adapter))
 910                         return lancer_cmd_get_file_len(adapter,
 911                                                        LANCER_VPD_PF_FILE);
 912                 else
 913                         return lancer_cmd_get_file_len(adapter,
 914                                                        LANCER_VPD_VF_FILE);
 915         } else {
 916                 return BE_READ_SEEPROM_LEN;
 917         }
 918 }
 919
 920 static int be_read_eeprom(struct net_device *netdev,
 921                           struct ethtool_eeprom *eeprom, uint8_t *data)
 922 {
 923         struct be_adapter *adapter = netdev_priv(netdev);
 924         struct be_dma_mem eeprom_cmd;
 925         struct be_cmd_resp_seeprom_read *resp;
 926         int status;
 927
 928         if (!eeprom->len)
 929                 return -EINVAL;
 930
 931         if (lancer_chip(adapter)) {
 932                 if (be_physfn(adapter))
 933                         return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
 934                                                     eeprom->len, data);
 935                 else
 936                         return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
 937                                                     eeprom->len, data);
 938         }
 939
 940         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
 941
 942         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
 943         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
 944         eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, eeprom_cmd.size,
 945                                            &eeprom_cmd.dma, GFP_KERNEL);
 946
 947         if (!eeprom_cmd.va)
 948                 return -ENOMEM;
 949
 950         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
 951
 952         if (!status) {
 953                 resp = eeprom_cmd.va;
 954                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
 955         }
 956         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
 957                           eeprom_cmd.dma);
 958
 959         return be_cmd_status(status);
 960 }
 961
 962 static u32 be_get_msg_level(struct net_device *netdev)
 963 {
 964         struct be_adapter *adapter = netdev_priv(netdev);
 965
 966         return adapter->msg_enable;
 967 }
 968
 969 static void be_set_msg_level(struct net_device *netdev, u32 level)
 970 {
 971         struct be_adapter *adapter = netdev_priv(netdev);
 972
 973         if (adapter->msg_enable == level)
 974                 return;
 975
 976         if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
 977                 if (BEx_chip(adapter))
 978                         be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
 979                                                 FW_LOG_LEVEL_DEFAULT :
 980                                                 FW_LOG_LEVEL_FATAL);
 981         adapter->msg_enable = level;
 982 }
 983
 984 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
 985 {
 986         u64 data = 0;
 987
 988         switch (flow_type) {
 989         case TCP_V4_FLOW:
 990                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
 991                         data |= RXH_IP_DST | RXH_IP_SRC;
 992                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
 993                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
 994                 break;
 995         case UDP_V4_FLOW:
 996                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
 997                         data |= RXH_IP_DST | RXH_IP_SRC;
 998                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
 999                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1000                 break;
1001         case TCP_V6_FLOW:
1002                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1003                         data |= RXH_IP_DST | RXH_IP_SRC;
1004                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1005                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1006                 break;
1007         case UDP_V6_FLOW:
1008                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1009                         data |= RXH_IP_DST | RXH_IP_SRC;
1010                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1011                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1012                 break;
1013         }
1014
1015         return data;
1016 }
1017
1018 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1019                         u32 *rule_locs)
1020 {
1021         struct be_adapter *adapter = netdev_priv(netdev);
1022
1023         if (!be_multi_rxq(adapter)) {
1024                 dev_info(&adapter->pdev->dev,
1025                          "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1026                 return -EINVAL;
1027         }
1028
1029         switch (cmd->cmd) {
1030         case ETHTOOL_GRXFH:
1031                 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1032                 break;
1033         case ETHTOOL_GRXRINGS:
1034                 cmd->data = adapter->num_rx_qs - 1;
1035                 break;
1036         default:
1037                 return -EINVAL;
1038         }
1039
1040         return 0;
1041 }
1042
1043 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1044                                 struct ethtool_rxnfc *cmd)
1045 {
1046         struct be_rx_obj *rxo;
1047         int status = 0, i, j;
1048         u8 rsstable[128];
1049         u32 rss_flags = adapter->rss_info.rss_flags;
1050
1051         if (cmd->data != L3_RSS_FLAGS &&
1052             cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1053                 return -EINVAL;
1054
1055         switch (cmd->flow_type) {
1056         case TCP_V4_FLOW:
1057                 if (cmd->data == L3_RSS_FLAGS)
1058                         rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1059                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1060                         rss_flags |= RSS_ENABLE_IPV4 |
1061                                         RSS_ENABLE_TCP_IPV4;
1062                 break;
1063         case TCP_V6_FLOW:
1064                 if (cmd->data == L3_RSS_FLAGS)
1065                         rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1066                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1067                         rss_flags |= RSS_ENABLE_IPV6 |
1068                                         RSS_ENABLE_TCP_IPV6;
1069                 break;
1070         case UDP_V4_FLOW:
1071                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1072                     BEx_chip(adapter))
1073                         return -EINVAL;
1074
1075                 if (cmd->data == L3_RSS_FLAGS)
1076                         rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1077                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1078                         rss_flags |= RSS_ENABLE_IPV4 |
1079                                         RSS_ENABLE_UDP_IPV4;
1080                 break;
1081         case UDP_V6_FLOW:
1082                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1083                     BEx_chip(adapter))
1084                         return -EINVAL;
1085
1086                 if (cmd->data == L3_RSS_FLAGS)
1087                         rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1088                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1089                         rss_flags |= RSS_ENABLE_IPV6 |
1090                                         RSS_ENABLE_UDP_IPV6;
1091                 break;
1092         default:
1093                 return -EINVAL;
1094         }
1095
1096         if (rss_flags == adapter->rss_info.rss_flags)
1097                 return status;
1098
1099         if (be_multi_rxq(adapter)) {
1100                 for (j = 0; j < 128; j += adapter->num_rss_qs) {
1101                         for_all_rss_queues(adapter, rxo, i) {
1102                                 if ((j + i) >= 128)
1103                                         break;
1104                                 rsstable[j + i] = rxo->rss_id;
1105                         }
1106                 }
1107         }
1108
1109         status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1110                                    rss_flags, 128, adapter->rss_info.rss_hkey);
1111         if (!status)
1112                 adapter->rss_info.rss_flags = rss_flags;
1113
1114         return be_cmd_status(status);
1115 }
1116
1117 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1118 {
1119         struct be_adapter *adapter = netdev_priv(netdev);
1120         int status = 0;
1121
1122         if (!be_multi_rxq(adapter)) {
1123                 dev_err(&adapter->pdev->dev,
1124                         "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1125                 return -EINVAL;
1126         }
1127
1128         switch (cmd->cmd) {
1129         case ETHTOOL_SRXFH:
1130                 status = be_set_rss_hash_opts(adapter, cmd);
1131                 break;
1132         default:
1133                 return -EINVAL;
1134         }
1135
1136         return status;
1137 }
1138
1139 static void be_get_channels(struct net_device *netdev,
1140                             struct ethtool_channels *ch)
1141 {
1142         struct be_adapter *adapter = netdev_priv(netdev);
1143
1144         ch->combined_count = adapter->num_evt_qs;
1145         ch->max_combined = be_max_qs(adapter);
1146 }
1147
1148 static int be_set_channels(struct net_device  *netdev,
1149                            struct ethtool_channels *ch)
1150 {
1151         struct be_adapter *adapter = netdev_priv(netdev);
1152         int status;
1153
1154         if (ch->rx_count || ch->tx_count || ch->other_count ||
1155             !ch->combined_count || ch->combined_count > be_max_qs(adapter))
1156                 return -EINVAL;
1157
1158         adapter->cfg_num_qs = ch->combined_count;
1159
1160         status = be_update_queues(adapter);
1161         return be_cmd_status(status);
1162 }
1163
1164 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1165 {
1166         return RSS_INDIR_TABLE_LEN;
1167 }
1168
1169 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1170 {
1171         return RSS_HASH_KEY_LEN;
1172 }
1173
1174 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1175                        u8 *hfunc)
1176 {
1177         struct be_adapter *adapter = netdev_priv(netdev);
1178         int i;
1179         struct rss_info *rss = &adapter->rss_info;
1180
1181         if (indir) {
1182                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1183                         indir[i] = rss->rss_queue[i];
1184         }
1185
1186         if (hkey)
1187                 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1188
1189         if (hfunc)
1190                 *hfunc = ETH_RSS_HASH_TOP;
1191
1192         return 0;
1193 }
1194
1195 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1196                        const u8 *hkey, const u8 hfunc)
1197 {
1198         int rc = 0, i, j;
1199         struct be_adapter *adapter = netdev_priv(netdev);
1200         u8 rsstable[RSS_INDIR_TABLE_LEN];
1201
1202         /* We do not allow change in unsupported parameters */
1203         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1204                 return -EOPNOTSUPP;
1205
1206         if (indir) {
1207                 struct be_rx_obj *rxo;
1208
1209                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1210                         j = indir[i];
1211                         rxo = &adapter->rx_obj[j];
1212                         rsstable[i] = rxo->rss_id;
1213                         adapter->rss_info.rss_queue[i] = j;
1214                 }
1215         } else {
1216                 memcpy(rsstable, adapter->rss_info.rsstable,
1217                        RSS_INDIR_TABLE_LEN);
1218         }
1219
1220         if (!hkey)
1221                 hkey =  adapter->rss_info.rss_hkey;
1222
1223         rc = be_cmd_rss_config(adapter, rsstable,
1224                                adapter->rss_info.rss_flags,
1225                                RSS_INDIR_TABLE_LEN, hkey);
1226         if (rc) {
1227                 adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1228                 return -EIO;
1229         }
1230         memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1231         memcpy(adapter->rss_info.rsstable, rsstable,
1232                RSS_INDIR_TABLE_LEN);
1233         return 0;
1234 }
1235
1236 static int be_get_module_info(struct net_device *netdev,
1237                               struct ethtool_modinfo *modinfo)
1238 {
1239         struct be_adapter *adapter = netdev_priv(netdev);
1240         u8 page_data[PAGE_DATA_LEN];
1241         int status;
1242
1243         if (!check_privilege(adapter, MAX_PRIVILEGES))
1244                 return -EOPNOTSUPP;
1245
1246         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1247                                                    page_data);
1248         if (!status) {
1249                 if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1250                         modinfo->type = ETH_MODULE_SFF_8079;
1251                         modinfo->eeprom_len = PAGE_DATA_LEN;
1252                 } else {
1253                         modinfo->type = ETH_MODULE_SFF_8472;
1254                         modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1255                 }
1256         }
1257         return be_cmd_status(status);
1258 }
1259
1260 static int be_get_module_eeprom(struct net_device *netdev,
1261                                 struct ethtool_eeprom *eeprom, u8 *data)
1262 {
1263         struct be_adapter *adapter = netdev_priv(netdev);
1264         int status;
1265
1266         if (!check_privilege(adapter, MAX_PRIVILEGES))
1267                 return -EOPNOTSUPP;
1268
1269         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1270                                                    data);
1271         if (status)
1272                 goto err;
1273
1274         if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1275                 status = be_cmd_read_port_transceiver_data(adapter,
1276                                                            TR_PAGE_A2,
1277                                                            data +
1278                                                            PAGE_DATA_LEN);
1279                 if (status)
1280                         goto err;
1281         }
1282         if (eeprom->offset)
1283                 memcpy(data, data + eeprom->offset, eeprom->len);
1284 err:
1285         return be_cmd_status(status);
1286 }
1287
1288 const struct ethtool_ops be_ethtool_ops = {
1289         .get_settings = be_get_settings,
1290         .get_drvinfo = be_get_drvinfo,
1291         .get_wol = be_get_wol,
1292         .set_wol = be_set_wol,
1293         .get_link = ethtool_op_get_link,
1294         .get_eeprom_len = be_get_eeprom_len,
1295         .get_eeprom = be_read_eeprom,
1296         .get_coalesce = be_get_coalesce,
1297         .set_coalesce = be_set_coalesce,
1298         .get_ringparam = be_get_ringparam,
1299         .get_pauseparam = be_get_pauseparam,
1300         .set_pauseparam = be_set_pauseparam,
1301         .get_strings = be_get_stat_strings,
1302         .set_phys_id = be_set_phys_id,
1303         .set_dump = be_set_dump,
1304         .get_msglevel = be_get_msg_level,
1305         .set_msglevel = be_set_msg_level,
1306         .get_sset_count = be_get_sset_count,
1307         .get_ethtool_stats = be_get_ethtool_stats,
1308         .get_regs_len = be_get_reg_len,
1309         .get_regs = be_get_regs,
1310         .flash_device = be_do_flash,
1311         .self_test = be_self_test,
1312         .get_rxnfc = be_get_rxnfc,
1313         .set_rxnfc = be_set_rxnfc,
1314         .get_rxfh_indir_size = be_get_rxfh_indir_size,
1315         .get_rxfh_key_size = be_get_rxfh_key_size,
1316         .get_rxfh = be_get_rxfh,
1317         .set_rxfh = be_set_rxfh,
1318         .get_channels = be_get_channels,
1319         .set_channels = be_set_channels,
1320         .get_module_info = be_get_module_info,
1321         .get_module_eeprom = be_get_module_eeprom
1322 };