drivers/net/ethernet/emulex/benet/be

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This source file includes following definitions.
be_get_drvinfo
lancer_cmd_get_file_len
be_get_dump_len
lancer_cmd_read_file
be_read_dump_data
be_get_coalesce
be_set_coalesce
be_get_ethtool_stats
be_get_stat_strings
be_get_sset_count
be_get_port_type
convert_to_et_setting
be_pause_supported
be_get_link_ksettings
be_get_ringparam
be_get_pauseparam
be_set_pauseparam
be_set_phys_id
be_set_dump
be_get_wol
be_set_wol
be_test_ddr_dma
be_loopback_test
be_self_test
be_do_flash
be_get_dump_flag
be_get_dump_data
be_get_eeprom_len
be_read_eeprom
be_get_msg_level
be_set_msg_level
be_get_rss_hash_opts
be_get_rxnfc
be_set_rss_hash_opts
be_set_rxnfc
be_get_channels
be_set_channels
be_get_rxfh_indir_size
be_get_rxfh_key_size
be_get_rxfh
be_set_rxfh
be_get_module_info
be_get_module_eeprom
be_get_priv_flags
be_set_priv_flags
   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) FIELD_SIZEOF(_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         strlcpy(drvinfo->version, DRV_VER, sizeof(drvinfo->version));
 225         if (!memcmp(adapter->fw_ver, adapter->fw_on_flash, FW_VER_LEN))
 226                 strlcpy(drvinfo->fw_version, adapter->fw_ver,
 227                         sizeof(drvinfo->fw_version));
 228         else
 229                 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 230                          "%s [%s]", adapter->fw_ver, adapter->fw_on_flash);
 231 
 232         strlcpy(drvinfo->bus_info, pci_name(adapter->pdev),
 233                 sizeof(drvinfo->bus_info));
 234 }
 235 
 236 static u32 lancer_cmd_get_file_len(struct be_adapter *adapter, u8 *file_name)
 237 {
 238         u32 data_read = 0, eof;
 239         u8 addn_status;
 240         struct be_dma_mem data_len_cmd;
 241 
 242         memset(&data_len_cmd, 0, sizeof(data_len_cmd));
 243         /* data_offset and data_size should be 0 to get reg len */
 244         lancer_cmd_read_object(adapter, &data_len_cmd, 0, 0, file_name,
 245                                &data_read, &eof, &addn_status);
 246 
 247         return data_read;
 248 }
 249 
 250 static int be_get_dump_len(struct be_adapter *adapter)
 251 {
 252         u32 dump_size = 0;
 253 
 254         if (lancer_chip(adapter))
 255                 dump_size = lancer_cmd_get_file_len(adapter,
 256                                                     LANCER_FW_DUMP_FILE);
 257         else
 258                 dump_size = adapter->fat_dump_len;
 259 
 260         return dump_size;
 261 }
 262 
 263 static int lancer_cmd_read_file(struct be_adapter *adapter, u8 *file_name,
 264                                 u32 buf_len, void *buf)
 265 {
 266         struct be_dma_mem read_cmd;
 267         u32 read_len = 0, total_read_len = 0, chunk_size;
 268         u32 eof = 0;
 269         u8 addn_status;
 270         int status = 0;
 271 
 272         read_cmd.size = LANCER_READ_FILE_CHUNK;
 273         read_cmd.va = dma_alloc_coherent(&adapter->pdev->dev, read_cmd.size,
 274                                          &read_cmd.dma, GFP_ATOMIC);
 275 
 276         if (!read_cmd.va) {
 277                 dev_err(&adapter->pdev->dev,
 278                         "Memory allocation failure while reading dump\n");
 279                 return -ENOMEM;
 280         }
 281 
 282         while ((total_read_len < buf_len) && !eof) {
 283                 chunk_size = min_t(u32, (buf_len - total_read_len),
 284                                    LANCER_READ_FILE_CHUNK);
 285                 chunk_size = ALIGN(chunk_size, 4);
 286                 status = lancer_cmd_read_object(adapter, &read_cmd, chunk_size,
 287                                                 total_read_len, file_name,
 288                                                 &read_len, &eof, &addn_status);
 289                 if (!status) {
 290                         memcpy(buf + total_read_len, read_cmd.va, read_len);
 291                         total_read_len += read_len;
 292                         eof &= LANCER_READ_FILE_EOF_MASK;
 293                 } else {
 294                         status = -EIO;
 295                         break;
 296                 }
 297         }
 298         dma_free_coherent(&adapter->pdev->dev, read_cmd.size, read_cmd.va,
 299                           read_cmd.dma);
 300 
 301         return status;
 302 }
 303 
 304 static int be_read_dump_data(struct be_adapter *adapter, u32 dump_len,
 305                              void *buf)
 306 {
 307         int status = 0;
 308 
 309         if (lancer_chip(adapter))
 310                 status = lancer_cmd_read_file(adapter, LANCER_FW_DUMP_FILE,
 311                                               dump_len, buf);
 312         else
 313                 status = be_cmd_get_fat_dump(adapter, dump_len, buf);
 314 
 315         return status;
 316 }
 317 
 318 static int be_get_coalesce(struct net_device *netdev,
 319                            struct ethtool_coalesce *et)
 320 {
 321         struct be_adapter *adapter = netdev_priv(netdev);
 322         struct be_aic_obj *aic = &adapter->aic_obj[0];
 323 
 324         et->rx_coalesce_usecs = aic->prev_eqd;
 325         et->rx_coalesce_usecs_high = aic->max_eqd;
 326         et->rx_coalesce_usecs_low = aic->min_eqd;
 327 
 328         et->tx_coalesce_usecs = aic->prev_eqd;
 329         et->tx_coalesce_usecs_high = aic->max_eqd;
 330         et->tx_coalesce_usecs_low = aic->min_eqd;
 331 
 332         et->use_adaptive_rx_coalesce = adapter->aic_enabled;
 333         et->use_adaptive_tx_coalesce = adapter->aic_enabled;
 334 
 335         return 0;
 336 }
 337 
 338 /* TX attributes are ignored. Only RX attributes are considered
 339  * eqd cmd is issued in the worker thread.
 340  */
 341 static int be_set_coalesce(struct net_device *netdev,
 342                            struct ethtool_coalesce *et)
 343 {
 344         struct be_adapter *adapter = netdev_priv(netdev);
 345         struct be_aic_obj *aic = &adapter->aic_obj[0];
 346         struct be_eq_obj *eqo;
 347         int i;
 348 
 349         adapter->aic_enabled = et->use_adaptive_rx_coalesce;
 350 
 351         for_all_evt_queues(adapter, eqo, i) {
 352                 aic->max_eqd = min(et->rx_coalesce_usecs_high, BE_MAX_EQD);
 353                 aic->min_eqd = min(et->rx_coalesce_usecs_low, aic->max_eqd);
 354                 aic->et_eqd = min(et->rx_coalesce_usecs, aic->max_eqd);
 355                 aic->et_eqd = max(aic->et_eqd, aic->min_eqd);
 356                 aic++;
 357         }
 358 
 359         /* For Skyhawk, the EQD setting happens via EQ_DB when AIC is enabled.
 360          * When AIC is disabled, persistently force set EQD value via the
 361          * FW cmd, so that we don't have to calculate the delay multiplier
 362          * encode value each time EQ_DB is rung
 363          */
 364         if (!et->use_adaptive_rx_coalesce && skyhawk_chip(adapter))
 365                 be_eqd_update(adapter, true);
 366 
 367         return 0;
 368 }
 369 
 370 static void be_get_ethtool_stats(struct net_device *netdev,
 371                                  struct ethtool_stats *stats, uint64_t *data)
 372 {
 373         struct be_adapter *adapter = netdev_priv(netdev);
 374         struct be_rx_obj *rxo;
 375         struct be_tx_obj *txo;
 376         void *p;
 377         unsigned int i, j, base = 0, start;
 378 
 379         for (i = 0; i < ETHTOOL_STATS_NUM; i++) {
 380                 p = (u8 *)&adapter->drv_stats + et_stats[i].offset;
 381                 data[i] = *(u32 *)p;
 382         }
 383         base += ETHTOOL_STATS_NUM;
 384 
 385         for_all_rx_queues(adapter, rxo, j) {
 386                 struct be_rx_stats *stats = rx_stats(rxo);
 387 
 388                 do {
 389                         start = u64_stats_fetch_begin_irq(&stats->sync);
 390                         data[base] = stats->rx_bytes;
 391                         data[base + 1] = stats->rx_pkts;
 392                 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 393 
 394                 for (i = 2; i < ETHTOOL_RXSTATS_NUM; i++) {
 395                         p = (u8 *)stats + et_rx_stats[i].offset;
 396                         data[base + i] = *(u32 *)p;
 397                 }
 398                 base += ETHTOOL_RXSTATS_NUM;
 399         }
 400 
 401         for_all_tx_queues(adapter, txo, j) {
 402                 struct be_tx_stats *stats = tx_stats(txo);
 403 
 404                 do {
 405                         start = u64_stats_fetch_begin_irq(&stats->sync_compl);
 406                         data[base] = stats->tx_compl;
 407                 } while (u64_stats_fetch_retry_irq(&stats->sync_compl, start));
 408 
 409                 do {
 410                         start = u64_stats_fetch_begin_irq(&stats->sync);
 411                         for (i = 1; i < ETHTOOL_TXSTATS_NUM; i++) {
 412                                 p = (u8 *)stats + et_tx_stats[i].offset;
 413                                 data[base + i] =
 414                                         (et_tx_stats[i].size == sizeof(u64)) ?
 415                                                 *(u64 *)p : *(u32 *)p;
 416                         }
 417                 } while (u64_stats_fetch_retry_irq(&stats->sync, start));
 418                 base += ETHTOOL_TXSTATS_NUM;
 419         }
 420 }
 421 
 422 static const char be_priv_flags[][ETH_GSTRING_LEN] = {
 423         "disable-tpe-recovery"
 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         case ETH_SS_PRIV_FLAGS:
 460                 for (i = 0; i < ARRAY_SIZE(be_priv_flags); i++)
 461                         strcpy(data + i * ETH_GSTRING_LEN, be_priv_flags[i]);
 462                 break;
 463         }
 464 }
 465 
 466 static int be_get_sset_count(struct net_device *netdev, int stringset)
 467 {
 468         struct be_adapter *adapter = netdev_priv(netdev);
 469 
 470         switch (stringset) {
 471         case ETH_SS_TEST:
 472                 return ETHTOOL_TESTS_NUM;
 473         case ETH_SS_STATS:
 474                 return ETHTOOL_STATS_NUM +
 475                         adapter->num_rx_qs * ETHTOOL_RXSTATS_NUM +
 476                         adapter->num_tx_qs * ETHTOOL_TXSTATS_NUM;
 477         case ETH_SS_PRIV_FLAGS:
 478                 return ARRAY_SIZE(be_priv_flags);
 479         default:
 480                 return -EINVAL;
 481         }
 482 }
 483 
 484 static u32 be_get_port_type(struct be_adapter *adapter)
 485 {
 486         u32 port;
 487 
 488         switch (adapter->phy.interface_type) {
 489         case PHY_TYPE_BASET_1GB:
 490         case PHY_TYPE_BASEX_1GB:
 491         case PHY_TYPE_SGMII:
 492                 port = PORT_TP;
 493                 break;
 494         case PHY_TYPE_SFP_PLUS_10GB:
 495                 if (adapter->phy.cable_type & SFP_PLUS_COPPER_CABLE)
 496                         port = PORT_DA;
 497                 else
 498                         port = PORT_FIBRE;
 499                 break;
 500         case PHY_TYPE_QSFP:
 501                 if (adapter->phy.cable_type & QSFP_PLUS_CR4_CABLE)
 502                         port = PORT_DA;
 503                 else
 504                         port = PORT_FIBRE;
 505                 break;
 506         case PHY_TYPE_XFP_10GB:
 507         case PHY_TYPE_SFP_1GB:
 508                 port = PORT_FIBRE;
 509                 break;
 510         case PHY_TYPE_BASET_10GB:
 511                 port = PORT_TP;
 512                 break;
 513         default:
 514                 port = PORT_OTHER;
 515         }
 516 
 517         return port;
 518 }
 519 
 520 static u32 convert_to_et_setting(struct be_adapter *adapter, u32 if_speeds)
 521 {
 522         u32 val = 0;
 523 
 524         switch (adapter->phy.interface_type) {
 525         case PHY_TYPE_BASET_1GB:
 526         case PHY_TYPE_BASEX_1GB:
 527         case PHY_TYPE_SGMII:
 528                 val |= SUPPORTED_TP;
 529                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 530                         val |= SUPPORTED_1000baseT_Full;
 531                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 532                         val |= SUPPORTED_100baseT_Full;
 533                 if (if_speeds & BE_SUPPORTED_SPEED_10MBPS)
 534                         val |= SUPPORTED_10baseT_Full;
 535                 break;
 536         case PHY_TYPE_KX4_10GB:
 537                 val |= SUPPORTED_Backplane;
 538                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 539                         val |= SUPPORTED_1000baseKX_Full;
 540                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 541                         val |= SUPPORTED_10000baseKX4_Full;
 542                 break;
 543         case PHY_TYPE_KR2_20GB:
 544                 val |= SUPPORTED_Backplane;
 545                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 546                         val |= SUPPORTED_10000baseKR_Full;
 547                 if (if_speeds & BE_SUPPORTED_SPEED_20GBPS)
 548                         val |= SUPPORTED_20000baseKR2_Full;
 549                 break;
 550         case PHY_TYPE_KR_10GB:
 551                 val |= SUPPORTED_Backplane |
 552                                 SUPPORTED_10000baseKR_Full;
 553                 break;
 554         case PHY_TYPE_KR4_40GB:
 555                 val |= SUPPORTED_Backplane;
 556                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 557                         val |= SUPPORTED_10000baseKR_Full;
 558                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS)
 559                         val |= SUPPORTED_40000baseKR4_Full;
 560                 break;
 561         case PHY_TYPE_QSFP:
 562                 if (if_speeds & BE_SUPPORTED_SPEED_40GBPS) {
 563                         switch (adapter->phy.cable_type) {
 564                         case QSFP_PLUS_CR4_CABLE:
 565                                 val |= SUPPORTED_40000baseCR4_Full;
 566                                 break;
 567                         case QSFP_PLUS_LR4_CABLE:
 568                                 val |= SUPPORTED_40000baseLR4_Full;
 569                                 break;
 570                         default:
 571                                 val |= SUPPORTED_40000baseSR4_Full;
 572                                 break;
 573                         }
 574                 }
 575                 /* fall through */
 576         case PHY_TYPE_SFP_PLUS_10GB:
 577         case PHY_TYPE_XFP_10GB:
 578         case PHY_TYPE_SFP_1GB:
 579                 val |= SUPPORTED_FIBRE;
 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                 break;
 585         case PHY_TYPE_BASET_10GB:
 586                 val |= SUPPORTED_TP;
 587                 if (if_speeds & BE_SUPPORTED_SPEED_10GBPS)
 588                         val |= SUPPORTED_10000baseT_Full;
 589                 if (if_speeds & BE_SUPPORTED_SPEED_1GBPS)
 590                         val |= SUPPORTED_1000baseT_Full;
 591                 if (if_speeds & BE_SUPPORTED_SPEED_100MBPS)
 592                         val |= SUPPORTED_100baseT_Full;
 593                 break;
 594         default:
 595                 val |= SUPPORTED_TP;
 596         }
 597 
 598         return val;
 599 }
 600 
 601 bool be_pause_supported(struct be_adapter *adapter)
 602 {
 603         return (adapter->phy.interface_type == PHY_TYPE_SFP_PLUS_10GB ||
 604                 adapter->phy.interface_type == PHY_TYPE_XFP_10GB) ?
 605                 false : true;
 606 }
 607 
 608 static int be_get_link_ksettings(struct net_device *netdev,
 609                                  struct ethtool_link_ksettings *cmd)
 610 {
 611         struct be_adapter *adapter = netdev_priv(netdev);
 612         u8 link_status;
 613         u16 link_speed = 0;
 614         int status;
 615         u32 auto_speeds;
 616         u32 fixed_speeds;
 617         u32 supported = 0, advertising = 0;
 618 
 619         if (adapter->phy.link_speed < 0) {
 620                 status = be_cmd_link_status_query(adapter, &link_speed,
 621                                                   &link_status, 0);
 622                 if (!status)
 623                         be_link_status_update(adapter, link_status);
 624                 cmd->base.speed = link_speed;
 625 
 626                 status = be_cmd_get_phy_info(adapter);
 627                 if (!status) {
 628                         auto_speeds = adapter->phy.auto_speeds_supported;
 629                         fixed_speeds = adapter->phy.fixed_speeds_supported;
 630 
 631                         be_cmd_query_cable_type(adapter);
 632 
 633                         supported =
 634                                 convert_to_et_setting(adapter,
 635                                                       auto_speeds |
 636                                                       fixed_speeds);
 637                         advertising =
 638                                 convert_to_et_setting(adapter, auto_speeds);
 639 
 640                         cmd->base.port = be_get_port_type(adapter);
 641 
 642                         if (adapter->phy.auto_speeds_supported) {
 643                                 supported |= SUPPORTED_Autoneg;
 644                                 cmd->base.autoneg = AUTONEG_ENABLE;
 645                                 advertising |= ADVERTISED_Autoneg;
 646                         }
 647 
 648                         supported |= SUPPORTED_Pause;
 649                         if (be_pause_supported(adapter))
 650                                 advertising |= ADVERTISED_Pause;
 651                 } else {
 652                         cmd->base.port = PORT_OTHER;
 653                         cmd->base.autoneg = AUTONEG_DISABLE;
 654                 }
 655 
 656                 /* Save for future use */
 657                 adapter->phy.link_speed = cmd->base.speed;
 658                 adapter->phy.port_type = cmd->base.port;
 659                 adapter->phy.autoneg = cmd->base.autoneg;
 660                 adapter->phy.advertising = advertising;
 661                 adapter->phy.supported = supported;
 662         } else {
 663                 cmd->base.speed = adapter->phy.link_speed;
 664                 cmd->base.port = adapter->phy.port_type;
 665                 cmd->base.autoneg = adapter->phy.autoneg;
 666                 advertising = adapter->phy.advertising;
 667                 supported = adapter->phy.supported;
 668         }
 669 
 670         cmd->base.duplex = netif_carrier_ok(netdev) ?
 671                 DUPLEX_FULL : DUPLEX_UNKNOWN;
 672         cmd->base.phy_address = adapter->port_num;
 673 
 674         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.supported,
 675                                                 supported);
 676         ethtool_convert_legacy_u32_to_link_mode(cmd->link_modes.advertising,
 677                                                 advertising);
 678 
 679         return 0;
 680 }
 681 
 682 static void be_get_ringparam(struct net_device *netdev,
 683                              struct ethtool_ringparam *ring)
 684 {
 685         struct be_adapter *adapter = netdev_priv(netdev);
 686 
 687         ring->rx_max_pending = adapter->rx_obj[0].q.len;
 688         ring->rx_pending = adapter->rx_obj[0].q.len;
 689         ring->tx_max_pending = adapter->tx_obj[0].q.len;
 690         ring->tx_pending = adapter->tx_obj[0].q.len;
 691 }
 692 
 693 static void
 694 be_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 695 {
 696         struct be_adapter *adapter = netdev_priv(netdev);
 697 
 698         be_cmd_get_flow_control(adapter, &ecmd->tx_pause, &ecmd->rx_pause);
 699         ecmd->autoneg = adapter->phy.fc_autoneg;
 700 }
 701 
 702 static int
 703 be_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *ecmd)
 704 {
 705         struct be_adapter *adapter = netdev_priv(netdev);
 706         int status;
 707 
 708         if (ecmd->autoneg != adapter->phy.fc_autoneg)
 709                 return -EINVAL;
 710 
 711         status = be_cmd_set_flow_control(adapter, ecmd->tx_pause,
 712                                          ecmd->rx_pause);
 713         if (status) {
 714                 dev_warn(&adapter->pdev->dev, "Pause param set failed\n");
 715                 return be_cmd_status(status);
 716         }
 717 
 718         adapter->tx_fc = ecmd->tx_pause;
 719         adapter->rx_fc = ecmd->rx_pause;
 720         return 0;
 721 }
 722 
 723 static int be_set_phys_id(struct net_device *netdev,
 724                           enum ethtool_phys_id_state state)
 725 {
 726         struct be_adapter *adapter = netdev_priv(netdev);
 727         int status = 0;
 728 
 729         switch (state) {
 730         case ETHTOOL_ID_ACTIVE:
 731                 status = be_cmd_get_beacon_state(adapter, adapter->hba_port_num,
 732                                                  &adapter->beacon_state);
 733                 if (status)
 734                         return be_cmd_status(status);
 735                 return 1;       /* cycle on/off once per second */
 736 
 737         case ETHTOOL_ID_ON:
 738                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 739                                                  0, 0, BEACON_STATE_ENABLED);
 740                 break;
 741 
 742         case ETHTOOL_ID_OFF:
 743                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 744                                                  0, 0, BEACON_STATE_DISABLED);
 745                 break;
 746 
 747         case ETHTOOL_ID_INACTIVE:
 748                 status = be_cmd_set_beacon_state(adapter, adapter->hba_port_num,
 749                                                  0, 0, adapter->beacon_state);
 750         }
 751 
 752         return be_cmd_status(status);
 753 }
 754 
 755 static int be_set_dump(struct net_device *netdev, struct ethtool_dump *dump)
 756 {
 757         struct be_adapter *adapter = netdev_priv(netdev);
 758         struct device *dev = &adapter->pdev->dev;
 759         int status;
 760 
 761         if (!lancer_chip(adapter) ||
 762             !check_privilege(adapter, MAX_PRIVILEGES))
 763                 return -EOPNOTSUPP;
 764 
 765         switch (dump->flag) {
 766         case LANCER_INITIATE_FW_DUMP:
 767                 status = lancer_initiate_dump(adapter);
 768                 if (!status)
 769                         dev_info(dev, "FW dump initiated successfully\n");
 770                 break;
 771         case LANCER_DELETE_FW_DUMP:
 772                 status = lancer_delete_dump(adapter);
 773                 if (!status)
 774                         dev_info(dev, "FW dump deleted successfully\n");
 775         break;
 776         default:
 777                 dev_err(dev, "Invalid dump level: 0x%x\n", dump->flag);
 778                 return -EINVAL;
 779         }
 780         return status;
 781 }
 782 
 783 static void be_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 784 {
 785         struct be_adapter *adapter = netdev_priv(netdev);
 786 
 787         if (adapter->wol_cap & BE_WOL_CAP) {
 788                 wol->supported |= WAKE_MAGIC;
 789                 if (adapter->wol_en)
 790                         wol->wolopts |= WAKE_MAGIC;
 791         } else {
 792                 wol->wolopts = 0;
 793         }
 794         memset(&wol->sopass, 0, sizeof(wol->sopass));
 795 }
 796 
 797 static int be_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 798 {
 799         struct be_adapter *adapter = netdev_priv(netdev);
 800         struct device *dev = &adapter->pdev->dev;
 801         struct be_dma_mem cmd;
 802         u8 mac[ETH_ALEN];
 803         bool enable;
 804         int status;
 805 
 806         if (wol->wolopts & ~WAKE_MAGIC)
 807                 return -EOPNOTSUPP;
 808 
 809         if (!(adapter->wol_cap & BE_WOL_CAP)) {
 810                 dev_warn(&adapter->pdev->dev, "WOL not supported\n");
 811                 return -EOPNOTSUPP;
 812         }
 813 
 814         cmd.size = sizeof(struct be_cmd_req_acpi_wol_magic_config);
 815         cmd.va = dma_alloc_coherent(dev, cmd.size, &cmd.dma, GFP_KERNEL);
 816         if (!cmd.va)
 817                 return -ENOMEM;
 818 
 819         eth_zero_addr(mac);
 820 
 821         enable = wol->wolopts & WAKE_MAGIC;
 822         if (enable)
 823                 ether_addr_copy(mac, adapter->netdev->dev_addr);
 824 
 825         status = be_cmd_enable_magic_wol(adapter, mac, &cmd);
 826         if (status) {
 827                 dev_err(dev, "Could not set Wake-on-lan mac address\n");
 828                 status = be_cmd_status(status);
 829                 goto err;
 830         }
 831 
 832         pci_enable_wake(adapter->pdev, PCI_D3hot, enable);
 833         pci_enable_wake(adapter->pdev, PCI_D3cold, enable);
 834 
 835         adapter->wol_en = enable ? true : false;
 836 
 837 err:
 838         dma_free_coherent(dev, cmd.size, cmd.va, cmd.dma);
 839         return status;
 840 }
 841 
 842 static int be_test_ddr_dma(struct be_adapter *adapter)
 843 {
 844         int ret, i;
 845         struct be_dma_mem ddrdma_cmd;
 846         static const u64 pattern[2] = {
 847                 0x5a5a5a5a5a5a5a5aULL, 0xa5a5a5a5a5a5a5a5ULL
 848         };
 849 
 850         ddrdma_cmd.size = sizeof(struct be_cmd_req_ddrdma_test);
 851         ddrdma_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
 852                                            ddrdma_cmd.size, &ddrdma_cmd.dma,
 853                                            GFP_KERNEL);
 854         if (!ddrdma_cmd.va)
 855                 return -ENOMEM;
 856 
 857         for (i = 0; i < 2; i++) {
 858                 ret = be_cmd_ddr_dma_test(adapter, pattern[i],
 859                                           4096, &ddrdma_cmd);
 860                 if (ret != 0)
 861                         goto err;
 862         }
 863 
 864 err:
 865         dma_free_coherent(&adapter->pdev->dev, ddrdma_cmd.size, ddrdma_cmd.va,
 866                           ddrdma_cmd.dma);
 867         return be_cmd_status(ret);
 868 }
 869 
 870 static u64 be_loopback_test(struct be_adapter *adapter, u8 loopback_type,
 871                             u64 *status)
 872 {
 873         int ret;
 874 
 875         ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 876                                   loopback_type, 1);
 877         if (ret)
 878                 return ret;
 879 
 880         *status = be_cmd_loopback_test(adapter, adapter->hba_port_num,
 881                                        loopback_type, 1500, 2, 0xabc);
 882 
 883         ret = be_cmd_set_loopback(adapter, adapter->hba_port_num,
 884                                   BE_NO_LOOPBACK, 1);
 885         if (ret)
 886                 return ret;
 887 
 888         return *status;
 889 }
 890 
 891 static void be_self_test(struct net_device *netdev, struct ethtool_test *test,
 892                          u64 *data)
 893 {
 894         struct be_adapter *adapter = netdev_priv(netdev);
 895         int status, cnt;
 896         u8 link_status = 0;
 897 
 898         if (adapter->function_caps & BE_FUNCTION_CAPS_SUPER_NIC) {
 899                 dev_err(&adapter->pdev->dev, "Self test not supported\n");
 900                 test->flags |= ETH_TEST_FL_FAILED;
 901                 return;
 902         }
 903 
 904         memset(data, 0, sizeof(u64) * ETHTOOL_TESTS_NUM);
 905 
 906         /* check link status before offline tests */
 907         link_status = netif_carrier_ok(netdev);
 908 
 909         if (test->flags & ETH_TEST_FL_OFFLINE) {
 910                 if (be_loopback_test(adapter, BE_MAC_LOOPBACK, &data[0]) != 0)
 911                         test->flags |= ETH_TEST_FL_FAILED;
 912 
 913                 if (be_loopback_test(adapter, BE_PHY_LOOPBACK, &data[1]) != 0)
 914                         test->flags |= ETH_TEST_FL_FAILED;
 915 
 916                 if (test->flags & ETH_TEST_FL_EXTERNAL_LB) {
 917                         if (be_loopback_test(adapter, BE_ONE_PORT_EXT_LOOPBACK,
 918                                              &data[2]) != 0)
 919                                 test->flags |= ETH_TEST_FL_FAILED;
 920                         test->flags |= ETH_TEST_FL_EXTERNAL_LB_DONE;
 921                 }
 922         }
 923 
 924         if (!lancer_chip(adapter) && be_test_ddr_dma(adapter) != 0) {
 925                 data[3] = 1;
 926                 test->flags |= ETH_TEST_FL_FAILED;
 927         }
 928 
 929         /* link status was down prior to test */
 930         if (!link_status) {
 931                 test->flags |= ETH_TEST_FL_FAILED;
 932                 data[4] = 1;
 933                 return;
 934         }
 935 
 936         for (cnt = 10; cnt; cnt--) {
 937                 status = be_cmd_link_status_query(adapter, NULL, &link_status,
 938                                                   0);
 939                 if (status) {
 940                         test->flags |= ETH_TEST_FL_FAILED;
 941                         data[4] = -1;
 942                         break;
 943                 }
 944 
 945                 if (link_status)
 946                         break;
 947 
 948                 msleep_interruptible(500);
 949         }
 950 }
 951 
 952 static int be_do_flash(struct net_device *netdev, struct ethtool_flash *efl)
 953 {
 954         struct be_adapter *adapter = netdev_priv(netdev);
 955 
 956         return be_load_fw(adapter, efl->data);
 957 }
 958 
 959 static int
 960 be_get_dump_flag(struct net_device *netdev, struct ethtool_dump *dump)
 961 {
 962         struct be_adapter *adapter = netdev_priv(netdev);
 963 
 964         if (!check_privilege(adapter, MAX_PRIVILEGES))
 965                 return -EOPNOTSUPP;
 966 
 967         dump->len = be_get_dump_len(adapter);
 968         dump->version = 1;
 969         dump->flag = 0x1;       /* FW dump is enabled */
 970         return 0;
 971 }
 972 
 973 static int
 974 be_get_dump_data(struct net_device *netdev, struct ethtool_dump *dump,
 975                  void *buf)
 976 {
 977         struct be_adapter *adapter = netdev_priv(netdev);
 978         int status;
 979 
 980         if (!check_privilege(adapter, MAX_PRIVILEGES))
 981                 return -EOPNOTSUPP;
 982 
 983         status = be_read_dump_data(adapter, dump->len, buf);
 984         return be_cmd_status(status);
 985 }
 986 
 987 static int be_get_eeprom_len(struct net_device *netdev)
 988 {
 989         struct be_adapter *adapter = netdev_priv(netdev);
 990 
 991         if (!check_privilege(adapter, MAX_PRIVILEGES))
 992                 return 0;
 993 
 994         if (lancer_chip(adapter)) {
 995                 if (be_physfn(adapter))
 996                         return lancer_cmd_get_file_len(adapter,
 997                                                        LANCER_VPD_PF_FILE);
 998                 else
 999                         return lancer_cmd_get_file_len(adapter,
1000                                                        LANCER_VPD_VF_FILE);
1001         } else {
1002                 return BE_READ_SEEPROM_LEN;
1003         }
1004 }
1005 
1006 static int be_read_eeprom(struct net_device *netdev,
1007                           struct ethtool_eeprom *eeprom, uint8_t *data)
1008 {
1009         struct be_adapter *adapter = netdev_priv(netdev);
1010         struct be_dma_mem eeprom_cmd;
1011         struct be_cmd_resp_seeprom_read *resp;
1012         int status;
1013 
1014         if (!eeprom->len)
1015                 return -EINVAL;
1016 
1017         if (lancer_chip(adapter)) {
1018                 if (be_physfn(adapter))
1019                         return lancer_cmd_read_file(adapter, LANCER_VPD_PF_FILE,
1020                                                     eeprom->len, data);
1021                 else
1022                         return lancer_cmd_read_file(adapter, LANCER_VPD_VF_FILE,
1023                                                     eeprom->len, data);
1024         }
1025 
1026         eeprom->magic = BE_VENDOR_ID | (adapter->pdev->device<<16);
1027 
1028         memset(&eeprom_cmd, 0, sizeof(struct be_dma_mem));
1029         eeprom_cmd.size = sizeof(struct be_cmd_req_seeprom_read);
1030         eeprom_cmd.va = dma_alloc_coherent(&adapter->pdev->dev,
1031                                            eeprom_cmd.size, &eeprom_cmd.dma,
1032                                            GFP_KERNEL);
1033 
1034         if (!eeprom_cmd.va)
1035                 return -ENOMEM;
1036 
1037         status = be_cmd_get_seeprom_data(adapter, &eeprom_cmd);
1038 
1039         if (!status) {
1040                 resp = eeprom_cmd.va;
1041                 memcpy(data, resp->seeprom_data + eeprom->offset, eeprom->len);
1042         }
1043         dma_free_coherent(&adapter->pdev->dev, eeprom_cmd.size, eeprom_cmd.va,
1044                           eeprom_cmd.dma);
1045 
1046         return be_cmd_status(status);
1047 }
1048 
1049 static u32 be_get_msg_level(struct net_device *netdev)
1050 {
1051         struct be_adapter *adapter = netdev_priv(netdev);
1052 
1053         return adapter->msg_enable;
1054 }
1055 
1056 static void be_set_msg_level(struct net_device *netdev, u32 level)
1057 {
1058         struct be_adapter *adapter = netdev_priv(netdev);
1059 
1060         if (adapter->msg_enable == level)
1061                 return;
1062 
1063         if ((level & NETIF_MSG_HW) != (adapter->msg_enable & NETIF_MSG_HW))
1064                 if (BEx_chip(adapter))
1065                         be_cmd_set_fw_log_level(adapter, level & NETIF_MSG_HW ?
1066                                                 FW_LOG_LEVEL_DEFAULT :
1067                                                 FW_LOG_LEVEL_FATAL);
1068         adapter->msg_enable = level;
1069 }
1070 
1071 static u64 be_get_rss_hash_opts(struct be_adapter *adapter, u64 flow_type)
1072 {
1073         u64 data = 0;
1074 
1075         switch (flow_type) {
1076         case TCP_V4_FLOW:
1077                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1078                         data |= RXH_IP_DST | RXH_IP_SRC;
1079                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV4)
1080                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1081                 break;
1082         case UDP_V4_FLOW:
1083                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV4)
1084                         data |= RXH_IP_DST | RXH_IP_SRC;
1085                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV4)
1086                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1087                 break;
1088         case TCP_V6_FLOW:
1089                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1090                         data |= RXH_IP_DST | RXH_IP_SRC;
1091                 if (adapter->rss_info.rss_flags & RSS_ENABLE_TCP_IPV6)
1092                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1093                 break;
1094         case UDP_V6_FLOW:
1095                 if (adapter->rss_info.rss_flags & RSS_ENABLE_IPV6)
1096                         data |= RXH_IP_DST | RXH_IP_SRC;
1097                 if (adapter->rss_info.rss_flags & RSS_ENABLE_UDP_IPV6)
1098                         data |= RXH_L4_B_0_1 | RXH_L4_B_2_3;
1099                 break;
1100         }
1101 
1102         return data;
1103 }
1104 
1105 static int be_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
1106                         u32 *rule_locs)
1107 {
1108         struct be_adapter *adapter = netdev_priv(netdev);
1109 
1110         if (!be_multi_rxq(adapter)) {
1111                 dev_info(&adapter->pdev->dev,
1112                          "ethtool::get_rxnfc: RX flow hashing is disabled\n");
1113                 return -EINVAL;
1114         }
1115 
1116         switch (cmd->cmd) {
1117         case ETHTOOL_GRXFH:
1118                 cmd->data = be_get_rss_hash_opts(adapter, cmd->flow_type);
1119                 break;
1120         case ETHTOOL_GRXRINGS:
1121                 cmd->data = adapter->num_rx_qs;
1122                 break;
1123         default:
1124                 return -EINVAL;
1125         }
1126 
1127         return 0;
1128 }
1129 
1130 static int be_set_rss_hash_opts(struct be_adapter *adapter,
1131                                 struct ethtool_rxnfc *cmd)
1132 {
1133         int status;
1134         u32 rss_flags = adapter->rss_info.rss_flags;
1135 
1136         if (cmd->data != L3_RSS_FLAGS &&
1137             cmd->data != (L3_RSS_FLAGS | L4_RSS_FLAGS))
1138                 return -EINVAL;
1139 
1140         switch (cmd->flow_type) {
1141         case TCP_V4_FLOW:
1142                 if (cmd->data == L3_RSS_FLAGS)
1143                         rss_flags &= ~RSS_ENABLE_TCP_IPV4;
1144                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1145                         rss_flags |= RSS_ENABLE_IPV4 |
1146                                         RSS_ENABLE_TCP_IPV4;
1147                 break;
1148         case TCP_V6_FLOW:
1149                 if (cmd->data == L3_RSS_FLAGS)
1150                         rss_flags &= ~RSS_ENABLE_TCP_IPV6;
1151                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1152                         rss_flags |= RSS_ENABLE_IPV6 |
1153                                         RSS_ENABLE_TCP_IPV6;
1154                 break;
1155         case UDP_V4_FLOW:
1156                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1157                     BEx_chip(adapter))
1158                         return -EINVAL;
1159 
1160                 if (cmd->data == L3_RSS_FLAGS)
1161                         rss_flags &= ~RSS_ENABLE_UDP_IPV4;
1162                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1163                         rss_flags |= RSS_ENABLE_IPV4 |
1164                                         RSS_ENABLE_UDP_IPV4;
1165                 break;
1166         case UDP_V6_FLOW:
1167                 if ((cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS)) &&
1168                     BEx_chip(adapter))
1169                         return -EINVAL;
1170 
1171                 if (cmd->data == L3_RSS_FLAGS)
1172                         rss_flags &= ~RSS_ENABLE_UDP_IPV6;
1173                 else if (cmd->data == (L3_RSS_FLAGS | L4_RSS_FLAGS))
1174                         rss_flags |= RSS_ENABLE_IPV6 |
1175                                         RSS_ENABLE_UDP_IPV6;
1176                 break;
1177         default:
1178                 return -EINVAL;
1179         }
1180 
1181         if (rss_flags == adapter->rss_info.rss_flags)
1182                 return 0;
1183 
1184         status = be_cmd_rss_config(adapter, adapter->rss_info.rsstable,
1185                                    rss_flags, RSS_INDIR_TABLE_LEN,
1186                                    adapter->rss_info.rss_hkey);
1187         if (!status)
1188                 adapter->rss_info.rss_flags = rss_flags;
1189 
1190         return be_cmd_status(status);
1191 }
1192 
1193 static int be_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
1194 {
1195         struct be_adapter *adapter = netdev_priv(netdev);
1196         int status = 0;
1197 
1198         if (!be_multi_rxq(adapter)) {
1199                 dev_err(&adapter->pdev->dev,
1200                         "ethtool::set_rxnfc: RX flow hashing is disabled\n");
1201                 return -EINVAL;
1202         }
1203 
1204         switch (cmd->cmd) {
1205         case ETHTOOL_SRXFH:
1206                 status = be_set_rss_hash_opts(adapter, cmd);
1207                 break;
1208         default:
1209                 return -EINVAL;
1210         }
1211 
1212         return status;
1213 }
1214 
1215 static void be_get_channels(struct net_device *netdev,
1216                             struct ethtool_channels *ch)
1217 {
1218         struct be_adapter *adapter = netdev_priv(netdev);
1219         u16 num_rx_irqs = max_t(u16, adapter->num_rss_qs, 1);
1220 
1221         /* num_tx_qs is always same as the number of irqs used for TX */
1222         ch->combined_count = min(adapter->num_tx_qs, num_rx_irqs);
1223         ch->rx_count = num_rx_irqs - ch->combined_count;
1224         ch->tx_count = adapter->num_tx_qs - ch->combined_count;
1225 
1226         ch->max_combined = be_max_qp_irqs(adapter);
1227         /* The user must create atleast one combined channel */
1228         ch->max_rx = be_max_rx_irqs(adapter) - 1;
1229         ch->max_tx = be_max_tx_irqs(adapter) - 1;
1230 }
1231 
1232 static int be_set_channels(struct net_device  *netdev,
1233                            struct ethtool_channels *ch)
1234 {
1235         struct be_adapter *adapter = netdev_priv(netdev);
1236         int status;
1237 
1238         /* we support either only combined channels or a combination of
1239          * combined and either RX-only or TX-only channels.
1240          */
1241         if (ch->other_count || !ch->combined_count ||
1242             (ch->rx_count && ch->tx_count))
1243                 return -EINVAL;
1244 
1245         if (ch->combined_count > be_max_qp_irqs(adapter) ||
1246             (ch->rx_count &&
1247              (ch->rx_count + ch->combined_count) > be_max_rx_irqs(adapter)) ||
1248             (ch->tx_count &&
1249              (ch->tx_count + ch->combined_count) > be_max_tx_irqs(adapter)))
1250                 return -EINVAL;
1251 
1252         adapter->cfg_num_rx_irqs = ch->combined_count + ch->rx_count;
1253         adapter->cfg_num_tx_irqs = ch->combined_count + ch->tx_count;
1254 
1255         status = be_update_queues(adapter);
1256         return be_cmd_status(status);
1257 }
1258 
1259 static u32 be_get_rxfh_indir_size(struct net_device *netdev)
1260 {
1261         return RSS_INDIR_TABLE_LEN;
1262 }
1263 
1264 static u32 be_get_rxfh_key_size(struct net_device *netdev)
1265 {
1266         return RSS_HASH_KEY_LEN;
1267 }
1268 
1269 static int be_get_rxfh(struct net_device *netdev, u32 *indir, u8 *hkey,
1270                        u8 *hfunc)
1271 {
1272         struct be_adapter *adapter = netdev_priv(netdev);
1273         int i;
1274         struct rss_info *rss = &adapter->rss_info;
1275 
1276         if (indir) {
1277                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++)
1278                         indir[i] = rss->rss_queue[i];
1279         }
1280 
1281         if (hkey)
1282                 memcpy(hkey, rss->rss_hkey, RSS_HASH_KEY_LEN);
1283 
1284         if (hfunc)
1285                 *hfunc = ETH_RSS_HASH_TOP;
1286 
1287         return 0;
1288 }
1289 
1290 static int be_set_rxfh(struct net_device *netdev, const u32 *indir,
1291                        const u8 *hkey, const u8 hfunc)
1292 {
1293         int rc = 0, i, j;
1294         struct be_adapter *adapter = netdev_priv(netdev);
1295         u8 rsstable[RSS_INDIR_TABLE_LEN];
1296 
1297         /* We do not allow change in unsupported parameters */
1298         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
1299                 return -EOPNOTSUPP;
1300 
1301         if (indir) {
1302                 struct be_rx_obj *rxo;
1303 
1304                 for (i = 0; i < RSS_INDIR_TABLE_LEN; i++) {
1305                         j = indir[i];
1306                         rxo = &adapter->rx_obj[j];
1307                         rsstable[i] = rxo->rss_id;
1308                         adapter->rss_info.rss_queue[i] = j;
1309                 }
1310         } else {
1311                 memcpy(rsstable, adapter->rss_info.rsstable,
1312                        RSS_INDIR_TABLE_LEN);
1313         }
1314 
1315         if (!hkey)
1316                 hkey =  adapter->rss_info.rss_hkey;
1317 
1318         rc = be_cmd_rss_config(adapter, rsstable,
1319                                adapter->rss_info.rss_flags,
1320                                RSS_INDIR_TABLE_LEN, hkey);
1321         if (rc) {
1322                 adapter->rss_info.rss_flags = RSS_ENABLE_NONE;
1323                 return -EIO;
1324         }
1325         memcpy(adapter->rss_info.rss_hkey, hkey, RSS_HASH_KEY_LEN);
1326         memcpy(adapter->rss_info.rsstable, rsstable,
1327                RSS_INDIR_TABLE_LEN);
1328         return 0;
1329 }
1330 
1331 static int be_get_module_info(struct net_device *netdev,
1332                               struct ethtool_modinfo *modinfo)
1333 {
1334         struct be_adapter *adapter = netdev_priv(netdev);
1335         u8 page_data[PAGE_DATA_LEN];
1336         int status;
1337 
1338         if (!check_privilege(adapter, MAX_PRIVILEGES))
1339                 return -EOPNOTSUPP;
1340 
1341         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1342                                                    page_data);
1343         if (!status) {
1344                 if (!page_data[SFP_PLUS_SFF_8472_COMP]) {
1345                         modinfo->type = ETH_MODULE_SFF_8079;
1346                         modinfo->eeprom_len = PAGE_DATA_LEN;
1347                 } else {
1348                         modinfo->type = ETH_MODULE_SFF_8472;
1349                         modinfo->eeprom_len = 2 * PAGE_DATA_LEN;
1350                 }
1351         }
1352         return be_cmd_status(status);
1353 }
1354 
1355 static int be_get_module_eeprom(struct net_device *netdev,
1356                                 struct ethtool_eeprom *eeprom, u8 *data)
1357 {
1358         struct be_adapter *adapter = netdev_priv(netdev);
1359         int status;
1360 
1361         if (!check_privilege(adapter, MAX_PRIVILEGES))
1362                 return -EOPNOTSUPP;
1363 
1364         status = be_cmd_read_port_transceiver_data(adapter, TR_PAGE_A0,
1365                                                    data);
1366         if (status)
1367                 goto err;
1368 
1369         if (eeprom->offset + eeprom->len > PAGE_DATA_LEN) {
1370                 status = be_cmd_read_port_transceiver_data(adapter,
1371                                                            TR_PAGE_A2,
1372                                                            data +
1373                                                            PAGE_DATA_LEN);
1374                 if (status)
1375                         goto err;
1376         }
1377         if (eeprom->offset)
1378                 memcpy(data, data + eeprom->offset, eeprom->len);
1379 err:
1380         return be_cmd_status(status);
1381 }
1382 
1383 static u32 be_get_priv_flags(struct net_device *netdev)
1384 {
1385         struct be_adapter *adapter = netdev_priv(netdev);
1386 
1387         return adapter->priv_flags;
1388 }
1389 
1390 static int be_set_priv_flags(struct net_device *netdev, u32 flags)
1391 {
1392         struct be_adapter *adapter = netdev_priv(netdev);
1393         bool tpe_old = !!(adapter->priv_flags & BE_DISABLE_TPE_RECOVERY);
1394         bool tpe_new = !!(flags & BE_DISABLE_TPE_RECOVERY);
1395 
1396         if (tpe_old != tpe_new) {
1397                 if (tpe_new) {
1398                         adapter->priv_flags |= BE_DISABLE_TPE_RECOVERY;
1399                         dev_info(&adapter->pdev->dev,
1400                                  "HW error recovery is disabled\n");
1401                 } else {
1402                         adapter->priv_flags &= ~BE_DISABLE_TPE_RECOVERY;
1403                         dev_info(&adapter->pdev->dev,
1404                                  "HW error recovery is enabled\n");
1405                 }
1406         }
1407 
1408         return 0;
1409 }
1410 
1411 const struct ethtool_ops be_ethtool_ops = {
1412         .get_drvinfo = be_get_drvinfo,
1413         .get_wol = be_get_wol,
1414         .set_wol = be_set_wol,
1415         .get_link = ethtool_op_get_link,
1416         .get_eeprom_len = be_get_eeprom_len,
1417         .get_eeprom = be_read_eeprom,
1418         .get_coalesce = be_get_coalesce,
1419         .set_coalesce = be_set_coalesce,
1420         .get_ringparam = be_get_ringparam,
1421         .get_pauseparam = be_get_pauseparam,
1422         .set_pauseparam = be_set_pauseparam,
1423         .set_priv_flags = be_set_priv_flags,
1424         .get_priv_flags = be_get_priv_flags,
1425         .get_strings = be_get_stat_strings,
1426         .set_phys_id = be_set_phys_id,
1427         .set_dump = be_set_dump,
1428         .get_msglevel = be_get_msg_level,
1429         .set_msglevel = be_set_msg_level,
1430         .get_sset_count = be_get_sset_count,
1431         .get_ethtool_stats = be_get_ethtool_stats,
1432         .flash_device = be_do_flash,
1433         .self_test = be_self_test,
1434         .get_rxnfc = be_get_rxnfc,
1435         .set_rxnfc = be_set_rxnfc,
1436         .get_rxfh_indir_size = be_get_rxfh_indir_size,
1437         .get_rxfh_key_size = be_get_rxfh_key_size,
1438         .get_rxfh = be_get_rxfh,
1439         .set_rxfh = be_set_rxfh,
1440         .get_dump_flag = be_get_dump_flag,
1441         .get_dump_data = be_get_dump_data,
1442         .get_channels = be_get_channels,
1443         .set_channels = be_set_channels,
1444         .get_module_info = be_get_module_info,
1445         .get_module_eeprom = be_get_module_eeprom,
1446         .get_link_ksettings = be_get_link_ksettings,
1447 };
/* [<][>][^][v][top][bottom][index][help] */
root/drivers/net/ethernet/emulex/benet/be_ethtool.c

DEFINITIONS
