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   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2009 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 /* ethtool support for ixgbe */
  29
  30 #include <linux/types.h>
  31 #include <linux/module.h>
  32 #include <linux/pci.h>
  33 #include <linux/netdevice.h>
  34 #include <linux/ethtool.h>
  35 #include <linux/vmalloc.h>
  36 #include <linux/uaccess.h>
  37
  38 #include "ixgbe.h"
  39
  40
  41 #define IXGBE_ALL_RAR_ENTRIES 16
  42
  43 struct ixgbe_stats {
  44         char stat_string[ETH_GSTRING_LEN];
  45         int sizeof_stat;
  46         int stat_offset;
  47 };
  48
  49 #define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
  50                              offsetof(struct ixgbe_adapter, m)
  51 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
  52         {"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
  53         {"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
  54         {"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
  55         {"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
  56         {"lsc_int", IXGBE_STAT(lsc_int)},
  57         {"tx_busy", IXGBE_STAT(tx_busy)},
  58         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
  59         {"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
  60         {"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
  61         {"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
  62         {"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
  63         {"multicast", IXGBE_STAT(net_stats.multicast)},
  64         {"broadcast", IXGBE_STAT(stats.bprc)},
  65         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
  66         {"collisions", IXGBE_STAT(net_stats.collisions)},
  67         {"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
  68         {"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
  69         {"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
  70         {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
  71         {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
  72         {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
  73         {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
  74         {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
  75         {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
  76         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  77         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
  78         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
  79         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
  80         {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
  81         {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
  82         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
  83         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
  84         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
  85         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
  86         {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
  87         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
  88         {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
  89         {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
  90         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
  91         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
  92         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
  93 };
  94
  95 #define IXGBE_QUEUE_STATS_LEN \
  96         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
  97         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
  98         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
  99 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 100 #define IXGBE_PB_STATS_LEN ( \
 101                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 102                  IXGBE_FLAG_DCB_ENABLED) ? \
 103                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 104                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 105                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 106                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 107                   / sizeof(u64) : 0)
 108 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 109                          IXGBE_PB_STATS_LEN + \
 110                          IXGBE_QUEUE_STATS_LEN)
 111
 112 static int ixgbe_get_settings(struct net_device *netdev,
 113                               struct ethtool_cmd *ecmd)
 114 {
 115         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 116         struct ixgbe_hw *hw = &adapter->hw;
 117         u32 link_speed = 0;
 118         bool link_up;
 119
 120         ecmd->supported = SUPPORTED_10000baseT_Full;
 121         ecmd->autoneg = AUTONEG_ENABLE;
 122         ecmd->transceiver = XCVR_EXTERNAL;
 123         if (hw->phy.media_type == ixgbe_media_type_copper) {
 124                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 125                                     SUPPORTED_TP | SUPPORTED_Autoneg);
 126
 127                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
 128                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 129                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 130                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
 131                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 132                 /*
 133                  * It's possible that phy.autoneg_advertised may not be
 134                  * set yet.  If so display what the default would be -
 135                  * both 1G and 10G supported.
 136                  */
 137                 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
 138                                            ADVERTISED_10000baseT_Full)))
 139                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 140                                               ADVERTISED_1000baseT_Full);
 141
 142                 ecmd->port = PORT_TP;
 143         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 144                 /* Set as FIBRE until SERDES defined in kernel */
 145                 switch (hw->device_id) {
 146                 case IXGBE_DEV_ID_82598:
 147                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 148                                 SUPPORTED_FIBRE);
 149                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 150                                 ADVERTISED_1000baseT_Full |
 151                                 ADVERTISED_FIBRE);
 152                         ecmd->port = PORT_FIBRE;
 153                         break;
 154                 case IXGBE_DEV_ID_82598_BX:
 155                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 156                                            SUPPORTED_FIBRE);
 157                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 158                                              ADVERTISED_FIBRE);
 159                         ecmd->port = PORT_FIBRE;
 160                         ecmd->autoneg = AUTONEG_DISABLE;
 161                         break;
 162                 }
 163         } else {
 164                 ecmd->supported |= SUPPORTED_FIBRE;
 165                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 166                                      ADVERTISED_FIBRE);
 167                 ecmd->port = PORT_FIBRE;
 168                 ecmd->autoneg = AUTONEG_DISABLE;
 169         }
 170
 171         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 172         if (link_up) {
 173                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
 174                                SPEED_10000 : SPEED_1000;
 175                 ecmd->duplex = DUPLEX_FULL;
 176         } else {
 177                 ecmd->speed = -1;
 178                 ecmd->duplex = -1;
 179         }
 180
 181         return 0;
 182 }
 183
 184 static int ixgbe_set_settings(struct net_device *netdev,
 185                               struct ethtool_cmd *ecmd)
 186 {
 187         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 188         struct ixgbe_hw *hw = &adapter->hw;
 189         u32 advertised, old;
 190         s32 err;
 191
 192         switch (hw->phy.media_type) {
 193         case ixgbe_media_type_fiber:
 194                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 195                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 196                         return -EINVAL;
 197                 /* in this case we currently only support 10Gb/FULL */
 198                 break;
 199         case ixgbe_media_type_copper:
 200                 /* 10000/copper and 1000/copper must autoneg
 201                  * this function does not support any duplex forcing, but can
 202                  * limit the advertising of the adapter to only 10000 or 1000 */
 203                 if (ecmd->autoneg == AUTONEG_DISABLE)
 204                         return -EINVAL;
 205
 206                 old = hw->phy.autoneg_advertised;
 207                 advertised = 0;
 208                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 209                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 210
 211                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 212                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 213
 214                 if (old == advertised)
 215                         break;
 216                 /* this sets the link speed and restarts auto-neg */
 217                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
 218                 if (err) {
 219                         DPRINTK(PROBE, INFO,
 220                                 "setup link failed with code %d\n", err);
 221                         hw->mac.ops.setup_link_speed(hw, old, true, true);
 222                 }
 223                 break;
 224         default:
 225                 break;
 226         }
 227
 228         return 0;
 229 }
 230
 231 static void ixgbe_get_pauseparam(struct net_device *netdev,
 232                                  struct ethtool_pauseparam *pause)
 233 {
 234         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 235         struct ixgbe_hw *hw = &adapter->hw;
 236
 237         /*
 238          * Flow Control Autoneg isn't on if
 239          *  - we didn't ask for it OR
 240          *  - it failed, we know this by tx & rx being off
 241          */
 242         if (hw->fc.disable_fc_autoneg ||
 243             (hw->fc.current_mode == ixgbe_fc_none))
 244                 pause->autoneg = 0;
 245         else
 246                 pause->autoneg = 1;
 247
 248         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 249                 pause->rx_pause = 1;
 250         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 251                 pause->tx_pause = 1;
 252         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 253                 pause->rx_pause = 1;
 254                 pause->tx_pause = 1;
 255         }
 256 }
 257
 258 static int ixgbe_set_pauseparam(struct net_device *netdev,
 259                                 struct ethtool_pauseparam *pause)
 260 {
 261         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 262         struct ixgbe_hw *hw = &adapter->hw;
 263
 264         if (pause->autoneg != AUTONEG_ENABLE)
 265                 hw->fc.disable_fc_autoneg = true;
 266         else
 267                 hw->fc.disable_fc_autoneg = false;
 268
 269         if (pause->rx_pause && pause->tx_pause)
 270                 hw->fc.requested_mode = ixgbe_fc_full;
 271         else if (pause->rx_pause && !pause->tx_pause)
 272                 hw->fc.requested_mode = ixgbe_fc_rx_pause;
 273         else if (!pause->rx_pause && pause->tx_pause)
 274                 hw->fc.requested_mode = ixgbe_fc_tx_pause;
 275         else if (!pause->rx_pause && !pause->tx_pause)
 276                 hw->fc.requested_mode = ixgbe_fc_none;
 277         else
 278                 return -EINVAL;
 279
 280         hw->mac.ops.setup_fc(hw, 0);
 281
 282         return 0;
 283 }
 284
 285 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 286 {
 287         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 288         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
 289 }
 290
 291 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 292 {
 293         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 294         if (data)
 295                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 296         else
 297                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 298
 299         if (netif_running(netdev))
 300                 ixgbe_reinit_locked(adapter);
 301         else
 302                 ixgbe_reset(adapter);
 303
 304         return 0;
 305 }
 306
 307 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 308 {
 309         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 310 }
 311
 312 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 313 {
 314         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 315
 316         if (data) {
 317                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 318                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 319                         netdev->features |= NETIF_F_SCTP_CSUM;
 320         } else {
 321                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 322                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 323                         netdev->features &= ~NETIF_F_SCTP_CSUM;
 324         }
 325
 326         return 0;
 327 }
 328
 329 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 330 {
 331         if (data) {
 332                 netdev->features |= NETIF_F_TSO;
 333                 netdev->features |= NETIF_F_TSO6;
 334         } else {
 335                 netif_tx_stop_all_queues(netdev);
 336                 netdev->features &= ~NETIF_F_TSO;
 337                 netdev->features &= ~NETIF_F_TSO6;
 338                 netif_tx_start_all_queues(netdev);
 339         }
 340         return 0;
 341 }
 342
 343 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 344 {
 345         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 346         return adapter->msg_enable;
 347 }
 348
 349 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 350 {
 351         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 352         adapter->msg_enable = data;
 353 }
 354
 355 static int ixgbe_get_regs_len(struct net_device *netdev)
 356 {
 357 #define IXGBE_REGS_LEN  1128
 358         return IXGBE_REGS_LEN * sizeof(u32);
 359 }
 360
 361 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 362
 363 static void ixgbe_get_regs(struct net_device *netdev,
 364                            struct ethtool_regs *regs, void *p)
 365 {
 366         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 367         struct ixgbe_hw *hw = &adapter->hw;
 368         u32 *regs_buff = p;
 369         u8 i;
 370
 371         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 372
 373         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 374
 375         /* General Registers */
 376         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 377         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 378         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 379         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 380         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 381         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 382         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 383         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 384
 385         /* NVM Register */
 386         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 387         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 388         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 389         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 390         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 391         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 392         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 393         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 394         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 395         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 396
 397         /* Interrupt */
 398         /* don't read EICR because it can clear interrupt causes, instead
 399          * read EICS which is a shadow but doesn't clear EICR */
 400         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 401         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 402         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 403         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 404         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 405         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 406         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 407         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 408         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 409         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 410         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 411         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 412
 413         /* Flow Control */
 414         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 415         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 416         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 417         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 418         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 419         for (i = 0; i < 8; i++)
 420                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 421         for (i = 0; i < 8; i++)
 422                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 423         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 424         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 425
 426         /* Receive DMA */
 427         for (i = 0; i < 64; i++)
 428                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 429         for (i = 0; i < 64; i++)
 430                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 431         for (i = 0; i < 64; i++)
 432                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 433         for (i = 0; i < 64; i++)
 434                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 435         for (i = 0; i < 64; i++)
 436                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 437         for (i = 0; i < 64; i++)
 438                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 439         for (i = 0; i < 16; i++)
 440                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 441         for (i = 0; i < 16; i++)
 442                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 443         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 444         for (i = 0; i < 8; i++)
 445                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 446         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 447         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 448
 449         /* Receive */
 450         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 451         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 452         for (i = 0; i < 16; i++)
 453                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 454         for (i = 0; i < 16; i++)
 455                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 456         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 457         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 458         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 459         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 460         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 461         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 462         for (i = 0; i < 8; i++)
 463                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 464         for (i = 0; i < 8; i++)
 465                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 466         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 467
 468         /* Transmit */
 469         for (i = 0; i < 32; i++)
 470                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 471         for (i = 0; i < 32; i++)
 472                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 473         for (i = 0; i < 32; i++)
 474                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 475         for (i = 0; i < 32; i++)
 476                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 477         for (i = 0; i < 32; i++)
 478                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 479         for (i = 0; i < 32; i++)
 480                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 481         for (i = 0; i < 32; i++)
 482                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 483         for (i = 0; i < 32; i++)
 484                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 485         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 486         for (i = 0; i < 16; i++)
 487                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 488         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 489         for (i = 0; i < 8; i++)
 490                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 491         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 492
 493         /* Wake Up */
 494         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 495         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 496         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 497         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 498         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 499         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 500         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 501         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 502         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 503
 504         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 505         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 506         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 507         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 508         for (i = 0; i < 8; i++)
 509                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 510         for (i = 0; i < 8; i++)
 511                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 512         for (i = 0; i < 8; i++)
 513                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 514         for (i = 0; i < 8; i++)
 515                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 516         for (i = 0; i < 8; i++)
 517                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 518         for (i = 0; i < 8; i++)
 519                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 520
 521         /* Statistics */
 522         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 523         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 524         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 525         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 526         for (i = 0; i < 8; i++)
 527                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 528         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 529         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 530         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 531         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 532         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 533         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 534         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 535         for (i = 0; i < 8; i++)
 536                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 537         for (i = 0; i < 8; i++)
 538                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 539         for (i = 0; i < 8; i++)
 540                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 541         for (i = 0; i < 8; i++)
 542                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 543         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 544         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 545         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 546         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 547         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 548         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 549         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 550         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 551         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 552         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 553         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 554         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 555         for (i = 0; i < 8; i++)
 556                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 557         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 558         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 559         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 560         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 561         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 562         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 563         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 564         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 565         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 566         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 567         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 568         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 569         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 570         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 571         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 572         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 573         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 574         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 575         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 576         for (i = 0; i < 16; i++)
 577                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 578         for (i = 0; i < 16; i++)
 579                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 580         for (i = 0; i < 16; i++)
 581                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 582         for (i = 0; i < 16; i++)
 583                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 584
 585         /* MAC */
 586         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 587         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 588         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 589         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 590         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 591         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 592         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 593         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 594         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 595         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 596         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 597         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 598         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 599         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 600         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 601         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 602         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 603         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 604         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 605         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 606         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 607         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 608         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 609         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 610         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 611         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 612         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 613         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 614         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 615         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 616         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 617         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 618         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 619
 620         /* Diagnostic */
 621         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 622         for (i = 0; i < 8; i++)
 623                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 624         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 625         for (i = 0; i < 4; i++)
 626                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 627         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 628         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 629         for (i = 0; i < 8; i++)
 630                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 631         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 632         for (i = 0; i < 4; i++)
 633                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 634         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 635         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 636         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 637         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 638         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 639         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 640         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 641         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 642         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 643         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 644         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 645         for (i = 0; i < 8; i++)
 646                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 647         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 648         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 649         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 650         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 651         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 652         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 653         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 654         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 655         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 656 }
 657
 658 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 659 {
 660         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 661         return adapter->hw.eeprom.word_size * 2;
 662 }
 663
 664 static int ixgbe_get_eeprom(struct net_device *netdev,
 665                             struct ethtool_eeprom *eeprom, u8 *bytes)
 666 {
 667         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 668         struct ixgbe_hw *hw = &adapter->hw;
 669         u16 *eeprom_buff;
 670         int first_word, last_word, eeprom_len;
 671         int ret_val = 0;
 672         u16 i;
 673
 674         if (eeprom->len == 0)
 675                 return -EINVAL;
 676
 677         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 678
 679         first_word = eeprom->offset >> 1;
 680         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 681         eeprom_len = last_word - first_word + 1;
 682
 683         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 684         if (!eeprom_buff)
 685                 return -ENOMEM;
 686
 687         for (i = 0; i < eeprom_len; i++) {
 688                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 689                     &eeprom_buff[i])))
 690                         break;
 691         }
 692
 693         /* Device's eeprom is always little-endian, word addressable */
 694         for (i = 0; i < eeprom_len; i++)
 695                 le16_to_cpus(&eeprom_buff[i]);
 696
 697         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 698         kfree(eeprom_buff);
 699
 700         return ret_val;
 701 }
 702
 703 static void ixgbe_get_drvinfo(struct net_device *netdev,
 704                               struct ethtool_drvinfo *drvinfo)
 705 {
 706         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 707         char firmware_version[32];
 708
 709         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
 710         strncpy(drvinfo->version, ixgbe_driver_version, 32);
 711
 712         sprintf(firmware_version, "%d.%d-%d",
 713                 (adapter->eeprom_version & 0xF000) >> 12,
 714                 (adapter->eeprom_version & 0x0FF0) >> 4,
 715                 adapter->eeprom_version & 0x000F);
 716
 717         strncpy(drvinfo->fw_version, firmware_version, 32);
 718         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 719         drvinfo->n_stats = IXGBE_STATS_LEN;
 720         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 721 }
 722
 723 static void ixgbe_get_ringparam(struct net_device *netdev,
 724                                 struct ethtool_ringparam *ring)
 725 {
 726         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 727         struct ixgbe_ring *tx_ring = adapter->tx_ring;
 728         struct ixgbe_ring *rx_ring = adapter->rx_ring;
 729
 730         ring->rx_max_pending = IXGBE_MAX_RXD;
 731         ring->tx_max_pending = IXGBE_MAX_TXD;
 732         ring->rx_mini_max_pending = 0;
 733         ring->rx_jumbo_max_pending = 0;
 734         ring->rx_pending = rx_ring->count;
 735         ring->tx_pending = tx_ring->count;
 736         ring->rx_mini_pending = 0;
 737         ring->rx_jumbo_pending = 0;
 738 }
 739
 740 static int ixgbe_set_ringparam(struct net_device *netdev,
 741                                struct ethtool_ringparam *ring)
 742 {
 743         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 744         struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
 745         int i, err;
 746         u32 new_rx_count, new_tx_count;
 747         bool need_update = false;
 748
 749         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 750                 return -EINVAL;
 751
 752         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 753         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 754         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 755
 756         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 757         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 758         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 759
 760         if ((new_tx_count == adapter->tx_ring->count) &&
 761             (new_rx_count == adapter->rx_ring->count)) {
 762                 /* nothing to do */
 763                 return 0;
 764         }
 765
 766         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 767                 msleep(1);
 768
 769         temp_tx_ring = kcalloc(adapter->num_tx_queues,
 770                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 771         if (!temp_tx_ring) {
 772                 err = -ENOMEM;
 773                 goto err_setup;
 774         }
 775
 776         if (new_tx_count != adapter->tx_ring_count) {
 777                 memcpy(temp_tx_ring, adapter->tx_ring,
 778                        adapter->num_tx_queues * sizeof(struct ixgbe_ring));
 779                 for (i = 0; i < adapter->num_tx_queues; i++) {
 780                         temp_tx_ring[i].count = new_tx_count;
 781                         err = ixgbe_setup_tx_resources(adapter,
 782                                                        &temp_tx_ring[i]);
 783                         if (err) {
 784                                 while (i) {
 785                                         i--;
 786                                         ixgbe_free_tx_resources(adapter,
 787                                                                 &temp_tx_ring[i]);
 788                                 }
 789                                 goto err_setup;
 790                         }
 791                         temp_tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
 792                 }
 793                 need_update = true;
 794         }
 795
 796         temp_rx_ring = kcalloc(adapter->num_rx_queues,
 797                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 798         if ((!temp_rx_ring) && (need_update)) {
 799                 for (i = 0; i < adapter->num_tx_queues; i++)
 800                         ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
 801                 kfree(temp_tx_ring);
 802                 err = -ENOMEM;
 803                 goto err_setup;
 804         }
 805
 806         if (new_rx_count != adapter->rx_ring_count) {
 807                 memcpy(temp_rx_ring, adapter->rx_ring,
 808                        adapter->num_rx_queues * sizeof(struct ixgbe_ring));
 809                 for (i = 0; i < adapter->num_rx_queues; i++) {
 810                         temp_rx_ring[i].count = new_rx_count;
 811                         err = ixgbe_setup_rx_resources(adapter,
 812                                                        &temp_rx_ring[i]);
 813                         if (err) {
 814                                 while (i) {
 815                                         i--;
 816                                         ixgbe_free_rx_resources(adapter,
 817                                                               &temp_rx_ring[i]);
 818                                 }
 819                                 goto err_setup;
 820                         }
 821                         temp_rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
 822                 }
 823                 need_update = true;
 824         }
 825
 826         /* if rings need to be updated, here's the place to do it in one shot */
 827         if (need_update) {
 828                 if (netif_running(netdev))
 829                         ixgbe_down(adapter);
 830
 831                 /* tx */
 832                 if (new_tx_count != adapter->tx_ring_count) {
 833                         kfree(adapter->tx_ring);
 834                         adapter->tx_ring = temp_tx_ring;
 835                         temp_tx_ring = NULL;
 836                         adapter->tx_ring_count = new_tx_count;
 837                 }
 838
 839                 /* rx */
 840                 if (new_rx_count != adapter->rx_ring_count) {
 841                         kfree(adapter->rx_ring);
 842                         adapter->rx_ring = temp_rx_ring;
 843                         temp_rx_ring = NULL;
 844                         adapter->rx_ring_count = new_rx_count;
 845                 }
 846         }
 847
 848         /* success! */
 849         err = 0;
 850         if (netif_running(netdev))
 851                 ixgbe_up(adapter);
 852
 853 err_setup:
 854         clear_bit(__IXGBE_RESETTING, &adapter->state);
 855         return err;
 856 }
 857
 858 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 859 {
 860         switch (sset) {
 861         case ETH_SS_STATS:
 862                 return IXGBE_STATS_LEN;
 863         default:
 864                 return -EOPNOTSUPP;
 865         }
 866 }
 867
 868 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 869                                     struct ethtool_stats *stats, u64 *data)
 870 {
 871         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 872         u64 *queue_stat;
 873         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 874         int j, k;
 875         int i;
 876
 877         ixgbe_update_stats(adapter);
 878         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 879                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
 880                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 881                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 882         }
 883         for (j = 0; j < adapter->num_tx_queues; j++) {
 884                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
 885                 for (k = 0; k < stat_count; k++)
 886                         data[i + k] = queue_stat[k];
 887                 i += k;
 888         }
 889         for (j = 0; j < adapter->num_rx_queues; j++) {
 890                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
 891                 for (k = 0; k < stat_count; k++)
 892                         data[i + k] = queue_stat[k];
 893                 i += k;
 894         }
 895         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 896                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
 897                         data[i++] = adapter->stats.pxontxc[j];
 898                         data[i++] = adapter->stats.pxofftxc[j];
 899                 }
 900                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
 901                         data[i++] = adapter->stats.pxonrxc[j];
 902                         data[i++] = adapter->stats.pxoffrxc[j];
 903                 }
 904         }
 905 }
 906
 907 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 908                               u8 *data)
 909 {
 910         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 911         char *p = (char *)data;
 912         int i;
 913
 914         switch (stringset) {
 915         case ETH_SS_STATS:
 916                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 917                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
 918                                ETH_GSTRING_LEN);
 919                         p += ETH_GSTRING_LEN;
 920                 }
 921                 for (i = 0; i < adapter->num_tx_queues; i++) {
 922                         sprintf(p, "tx_queue_%u_packets", i);
 923                         p += ETH_GSTRING_LEN;
 924                         sprintf(p, "tx_queue_%u_bytes", i);
 925                         p += ETH_GSTRING_LEN;
 926                 }
 927                 for (i = 0; i < adapter->num_rx_queues; i++) {
 928                         sprintf(p, "rx_queue_%u_packets", i);
 929                         p += ETH_GSTRING_LEN;
 930                         sprintf(p, "rx_queue_%u_bytes", i);
 931                         p += ETH_GSTRING_LEN;
 932                 }
 933                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 934                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
 935                                 sprintf(p, "tx_pb_%u_pxon", i);
 936                                 p += ETH_GSTRING_LEN;
 937                                 sprintf(p, "tx_pb_%u_pxoff", i);
 938                                 p += ETH_GSTRING_LEN;
 939                         }
 940                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
 941                                 sprintf(p, "rx_pb_%u_pxon", i);
 942                                 p += ETH_GSTRING_LEN;
 943                                 sprintf(p, "rx_pb_%u_pxoff", i);
 944                                 p += ETH_GSTRING_LEN;
 945                         }
 946                 }
 947                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
 948                 break;
 949         }
 950 }
 951
 952
 953 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
 954                                struct ethtool_wolinfo *wol)
 955 {
 956         struct ixgbe_hw *hw = &adapter->hw;
 957         int retval = 1;
 958
 959         switch(hw->device_id) {
 960         case IXGBE_DEV_ID_82599_KX4:
 961                 retval = 0;
 962                 break;
 963         default:
 964                 wol->supported = 0;
 965                 retval = 0;
 966         }
 967
 968         return retval;
 969 }
 970
 971 static void ixgbe_get_wol(struct net_device *netdev,
 972                           struct ethtool_wolinfo *wol)
 973 {
 974         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 975
 976         wol->supported = WAKE_UCAST | WAKE_MCAST |
 977                          WAKE_BCAST | WAKE_MAGIC;
 978         wol->wolopts = 0;
 979
 980         if (ixgbe_wol_exclusion(adapter, wol) ||
 981             !device_can_wakeup(&adapter->pdev->dev))
 982                 return;
 983
 984         if (adapter->wol & IXGBE_WUFC_EX)
 985                 wol->wolopts |= WAKE_UCAST;
 986         if (adapter->wol & IXGBE_WUFC_MC)
 987                 wol->wolopts |= WAKE_MCAST;
 988         if (adapter->wol & IXGBE_WUFC_BC)
 989                 wol->wolopts |= WAKE_BCAST;
 990         if (adapter->wol & IXGBE_WUFC_MAG)
 991                 wol->wolopts |= WAKE_MAGIC;
 992
 993         return;
 994 }
 995
 996 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 997 {
 998         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 999
1000         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1001                 return -EOPNOTSUPP;
1002
1003         if (ixgbe_wol_exclusion(adapter, wol))
1004                 return wol->wolopts ? -EOPNOTSUPP : 0;
1005
1006         adapter->wol = 0;
1007
1008         if (wol->wolopts & WAKE_UCAST)
1009                 adapter->wol |= IXGBE_WUFC_EX;
1010         if (wol->wolopts & WAKE_MCAST)
1011                 adapter->wol |= IXGBE_WUFC_MC;
1012         if (wol->wolopts & WAKE_BCAST)
1013                 adapter->wol |= IXGBE_WUFC_BC;
1014         if (wol->wolopts & WAKE_MAGIC)
1015                 adapter->wol |= IXGBE_WUFC_MAG;
1016
1017         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1018
1019         return 0;
1020 }
1021
1022 static int ixgbe_nway_reset(struct net_device *netdev)
1023 {
1024         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1025
1026         if (netif_running(netdev))
1027                 ixgbe_reinit_locked(adapter);
1028
1029         return 0;
1030 }
1031
1032 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1033 {
1034         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1035         struct ixgbe_hw *hw = &adapter->hw;
1036         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1037         u32 i;
1038
1039         if (!data || data > 300)
1040                 data = 300;
1041
1042         for (i = 0; i < (data * 1000); i += 400) {
1043                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1044                 msleep_interruptible(200);
1045                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1046                 msleep_interruptible(200);
1047         }
1048
1049         /* Restore LED settings */
1050         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1051
1052         return 0;
1053 }
1054
1055 static int ixgbe_get_coalesce(struct net_device *netdev,
1056                               struct ethtool_coalesce *ec)
1057 {
1058         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1059
1060         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
1061
1062         /* only valid if in constant ITR mode */
1063         switch (adapter->itr_setting) {
1064         case 0:
1065                 /* throttling disabled */
1066                 ec->rx_coalesce_usecs = 0;
1067                 break;
1068         case 1:
1069                 /* dynamic ITR mode */
1070                 ec->rx_coalesce_usecs = 1;
1071                 break;
1072         default:
1073                 /* fixed interrupt rate mode */
1074                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
1075                 break;
1076         }
1077         return 0;
1078 }
1079
1080 static int ixgbe_set_coalesce(struct net_device *netdev,
1081                               struct ethtool_coalesce *ec)
1082 {
1083         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1084         int i;
1085
1086         if (ec->tx_max_coalesced_frames_irq)
1087                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1088
1089         if (ec->rx_coalesce_usecs > 1) {
1090                 /* check the limits */
1091                 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1092                     (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1093                         return -EINVAL;
1094
1095                 /* store the value in ints/second */
1096                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
1097
1098                 /* static value of interrupt rate */
1099                 adapter->itr_setting = adapter->eitr_param;
1100                 /* clear the lower bit as its used for dynamic state */
1101                 adapter->itr_setting &= ~1;
1102         } else if (ec->rx_coalesce_usecs == 1) {
1103                 /* 1 means dynamic mode */
1104                 adapter->eitr_param = 20000;
1105                 adapter->itr_setting = 1;
1106         } else {
1107                 /*
1108                  * any other value means disable eitr, which is best
1109                  * served by setting the interrupt rate very high
1110                  */
1111                 adapter->eitr_param = IXGBE_MAX_INT_RATE;
1112                 adapter->itr_setting = 0;
1113         }
1114
1115         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1116                 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
1117                 if (q_vector->txr_count && !q_vector->rxr_count)
1118                         /* tx vector gets half the rate */
1119                         q_vector->eitr = (adapter->eitr_param >> 1);
1120                 else
1121                         /* rx only or mixed */
1122                         q_vector->eitr = adapter->eitr_param;
1123                 ixgbe_write_eitr(adapter, i,
1124                                  EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1125         }
1126
1127         return 0;
1128 }
1129
1130
1131 static const struct ethtool_ops ixgbe_ethtool_ops = {
1132         .get_settings           = ixgbe_get_settings,
1133         .set_settings           = ixgbe_set_settings,
1134         .get_drvinfo            = ixgbe_get_drvinfo,
1135         .get_regs_len           = ixgbe_get_regs_len,
1136         .get_regs               = ixgbe_get_regs,
1137         .get_wol                = ixgbe_get_wol,
1138         .set_wol                = ixgbe_set_wol,
1139         .nway_reset             = ixgbe_nway_reset,
1140         .get_link               = ethtool_op_get_link,
1141         .get_eeprom_len         = ixgbe_get_eeprom_len,
1142         .get_eeprom             = ixgbe_get_eeprom,
1143         .get_ringparam          = ixgbe_get_ringparam,
1144         .set_ringparam          = ixgbe_set_ringparam,
1145         .get_pauseparam         = ixgbe_get_pauseparam,
1146         .set_pauseparam         = ixgbe_set_pauseparam,
1147         .get_rx_csum            = ixgbe_get_rx_csum,
1148         .set_rx_csum            = ixgbe_set_rx_csum,
1149         .get_tx_csum            = ixgbe_get_tx_csum,
1150         .set_tx_csum            = ixgbe_set_tx_csum,
1151         .get_sg                 = ethtool_op_get_sg,
1152         .set_sg                 = ethtool_op_set_sg,
1153         .get_msglevel           = ixgbe_get_msglevel,
1154         .set_msglevel           = ixgbe_set_msglevel,
1155         .get_tso                = ethtool_op_get_tso,
1156         .set_tso                = ixgbe_set_tso,
1157         .get_strings            = ixgbe_get_strings,
1158         .phys_id                = ixgbe_phys_id,
1159         .get_sset_count         = ixgbe_get_sset_count,
1160         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1161         .get_coalesce           = ixgbe_get_coalesce,
1162         .set_coalesce           = ixgbe_set_coalesce,
1163         .get_flags              = ethtool_op_get_flags,
1164         .set_flags              = ethtool_op_set_flags,
1165 };
1166
1167 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1168 {
1169         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1170 }