drivers/net/ixgbe/ixgbe_ethtool.c

   1 /*******************************************************************************
   2
   3   Intel 10 Gigabit PCI Express Linux driver
   4   Copyright(c) 1999 - 2008 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 };
  93
  94 #define IXGBE_QUEUE_STATS_LEN \
  95         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
  96         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
  97         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
  98 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
  99 #define IXGBE_PB_STATS_LEN ( \
 100                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 101                  IXGBE_FLAG_DCB_ENABLED) ? \
 102                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 103                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 104                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 105                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 106                   / sizeof(u64) : 0)
 107 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 108                          IXGBE_PB_STATS_LEN + \
 109                          IXGBE_QUEUE_STATS_LEN)
 110
 111 static int ixgbe_get_settings(struct net_device *netdev,
 112                               struct ethtool_cmd *ecmd)
 113 {
 114         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 115         struct ixgbe_hw *hw = &adapter->hw;
 116         u32 link_speed = 0;
 117         bool link_up;
 118
 119         ecmd->supported = SUPPORTED_10000baseT_Full;
 120         ecmd->autoneg = AUTONEG_ENABLE;
 121         ecmd->transceiver = XCVR_EXTERNAL;
 122         if (hw->phy.media_type == ixgbe_media_type_copper) {
 123                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 124                                     SUPPORTED_TP | SUPPORTED_Autoneg);
 125
 126                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
 127                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 128                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 129                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
 130                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 131
 132                 ecmd->port = PORT_TP;
 133         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 134                 /* Set as FIBRE until SERDES defined in kernel */
 135                 switch (hw->device_id) {
 136                 case IXGBE_DEV_ID_82598:
 137                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 138                                 SUPPORTED_FIBRE);
 139                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 140                                 ADVERTISED_1000baseT_Full |
 141                                 ADVERTISED_FIBRE);
 142                         ecmd->port = PORT_FIBRE;
 143                         break;
 144                 }
 145         } else {
 146                 ecmd->supported |= SUPPORTED_FIBRE;
 147                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 148                                      ADVERTISED_FIBRE);
 149                 ecmd->port = PORT_FIBRE;
 150                 ecmd->autoneg = AUTONEG_DISABLE;
 151         }
 152
 153         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 154         if (link_up) {
 155                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
 156                                SPEED_10000 : SPEED_1000;
 157                 ecmd->duplex = DUPLEX_FULL;
 158         } else {
 159                 ecmd->speed = -1;
 160                 ecmd->duplex = -1;
 161         }
 162
 163         return 0;
 164 }
 165
 166 static int ixgbe_set_settings(struct net_device *netdev,
 167                               struct ethtool_cmd *ecmd)
 168 {
 169         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 170         struct ixgbe_hw *hw = &adapter->hw;
 171         u32 advertised, old;
 172         s32 err;
 173
 174         switch (hw->phy.media_type) {
 175         case ixgbe_media_type_fiber:
 176                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 177                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 178                         return -EINVAL;
 179                 /* in this case we currently only support 10Gb/FULL */
 180                 break;
 181         case ixgbe_media_type_copper:
 182                 /* 10000/copper and 1000/copper must autoneg
 183                  * this function does not support any duplex forcing, but can
 184                  * limit the advertising of the adapter to only 10000 or 1000 */
 185                 if (ecmd->autoneg == AUTONEG_DISABLE)
 186                         return -EINVAL;
 187
 188                 old = hw->phy.autoneg_advertised;
 189                 advertised = 0;
 190                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 191                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 192
 193                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 194                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 195
 196                 if (old == advertised)
 197                         break;
 198                 /* this sets the link speed and restarts auto-neg */
 199                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
 200                 if (err) {
 201                         DPRINTK(PROBE, INFO,
 202                                 "setup link failed with code %d\n", err);
 203                         hw->mac.ops.setup_link_speed(hw, old, true, true);
 204                 }
 205                 break;
 206         default:
 207                 break;
 208         }
 209
 210         return 0;
 211 }
 212
 213 static void ixgbe_get_pauseparam(struct net_device *netdev,
 214                                  struct ethtool_pauseparam *pause)
 215 {
 216         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 217         struct ixgbe_hw *hw = &adapter->hw;
 218
 219         pause->autoneg = (hw->fc.type == ixgbe_fc_full ? 1 : 0);
 220
 221         if (hw->fc.type == ixgbe_fc_rx_pause) {
 222                 pause->rx_pause = 1;
 223         } else if (hw->fc.type == ixgbe_fc_tx_pause) {
 224                 pause->tx_pause = 1;
 225         } else if (hw->fc.type == ixgbe_fc_full) {
 226                 pause->rx_pause = 1;
 227                 pause->tx_pause = 1;
 228         }
 229 }
 230
 231 static int ixgbe_set_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         if ((pause->autoneg == AUTONEG_ENABLE) ||
 238             (pause->rx_pause && pause->tx_pause))
 239                 hw->fc.type = ixgbe_fc_full;
 240         else if (pause->rx_pause && !pause->tx_pause)
 241                 hw->fc.type = ixgbe_fc_rx_pause;
 242         else if (!pause->rx_pause && pause->tx_pause)
 243                 hw->fc.type = ixgbe_fc_tx_pause;
 244         else if (!pause->rx_pause && !pause->tx_pause)
 245                 hw->fc.type = ixgbe_fc_none;
 246         else
 247                 return -EINVAL;
 248
 249         hw->fc.original_type = hw->fc.type;
 250
 251         if (netif_running(netdev))
 252                 ixgbe_reinit_locked(adapter);
 253         else
 254                 ixgbe_reset(adapter);
 255
 256         return 0;
 257 }
 258
 259 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 260 {
 261         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 262         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
 263 }
 264
 265 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 266 {
 267         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 268         if (data)
 269                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 270         else
 271                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 272
 273         if (netif_running(netdev))
 274                 ixgbe_reinit_locked(adapter);
 275         else
 276                 ixgbe_reset(adapter);
 277
 278         return 0;
 279 }
 280
 281 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 282 {
 283         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 284 }
 285
 286 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 287 {
 288         if (data)
 289                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 290         else
 291                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 292
 293         return 0;
 294 }
 295
 296 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 297 {
 298         if (data) {
 299                 netdev->features |= NETIF_F_TSO;
 300                 netdev->features |= NETIF_F_TSO6;
 301         } else {
 302                 netif_tx_stop_all_queues(netdev);
 303                 netdev->features &= ~NETIF_F_TSO;
 304                 netdev->features &= ~NETIF_F_TSO6;
 305                 netif_tx_start_all_queues(netdev);
 306         }
 307         return 0;
 308 }
 309
 310 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 311 {
 312         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 313         return adapter->msg_enable;
 314 }
 315
 316 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 317 {
 318         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 319         adapter->msg_enable = data;
 320 }
 321
 322 static int ixgbe_get_regs_len(struct net_device *netdev)
 323 {
 324 #define IXGBE_REGS_LEN  1128
 325         return IXGBE_REGS_LEN * sizeof(u32);
 326 }
 327
 328 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 329
 330 static void ixgbe_get_regs(struct net_device *netdev,
 331                            struct ethtool_regs *regs, void *p)
 332 {
 333         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 334         struct ixgbe_hw *hw = &adapter->hw;
 335         u32 *regs_buff = p;
 336         u8 i;
 337
 338         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 339
 340         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 341
 342         /* General Registers */
 343         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 344         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 345         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 346         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 347         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 348         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 349         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 350         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 351
 352         /* NVM Register */
 353         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 354         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 355         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 356         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 357         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 358         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 359         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 360         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 361         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 362         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 363
 364         /* Interrupt */
 365         /* don't read EICR because it can clear interrupt causes, instead
 366          * read EICS which is a shadow but doesn't clear EICR */
 367         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 368         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 369         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 370         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 371         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 372         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 373         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 374         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 375         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 376         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 377         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 378         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 379
 380         /* Flow Control */
 381         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 382         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 383         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 384         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 385         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 386         for (i = 0; i < 8; i++)
 387                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 388         for (i = 0; i < 8; i++)
 389                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 390         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 391         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 392
 393         /* Receive DMA */
 394         for (i = 0; i < 64; i++)
 395                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 396         for (i = 0; i < 64; i++)
 397                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 398         for (i = 0; i < 64; i++)
 399                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 400         for (i = 0; i < 64; i++)
 401                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 402         for (i = 0; i < 64; i++)
 403                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 404         for (i = 0; i < 64; i++)
 405                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 406         for (i = 0; i < 16; i++)
 407                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 408         for (i = 0; i < 16; i++)
 409                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 410         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 411         for (i = 0; i < 8; i++)
 412                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 413         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 414         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 415
 416         /* Receive */
 417         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 418         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 419         for (i = 0; i < 16; i++)
 420                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 421         for (i = 0; i < 16; i++)
 422                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 423         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 424         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 425         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 426         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 427         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 428         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 429         for (i = 0; i < 8; i++)
 430                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 431         for (i = 0; i < 8; i++)
 432                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 433         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 434
 435         /* Transmit */
 436         for (i = 0; i < 32; i++)
 437                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 438         for (i = 0; i < 32; i++)
 439                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 440         for (i = 0; i < 32; i++)
 441                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 442         for (i = 0; i < 32; i++)
 443                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 444         for (i = 0; i < 32; i++)
 445                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 446         for (i = 0; i < 32; i++)
 447                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 448         for (i = 0; i < 32; i++)
 449                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 450         for (i = 0; i < 32; i++)
 451                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 452         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 453         for (i = 0; i < 16; i++)
 454                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 455         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 456         for (i = 0; i < 8; i++)
 457                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 458         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 459
 460         /* Wake Up */
 461         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 462         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 463         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 464         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 465         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 466         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 467         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 468         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 469         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT);
 470
 471         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 472         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 473         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 474         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 475         for (i = 0; i < 8; i++)
 476                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 477         for (i = 0; i < 8; i++)
 478                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 479         for (i = 0; i < 8; i++)
 480                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 481         for (i = 0; i < 8; i++)
 482                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 483         for (i = 0; i < 8; i++)
 484                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 485         for (i = 0; i < 8; i++)
 486                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 487
 488         /* Statistics */
 489         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 490         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 491         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 492         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 493         for (i = 0; i < 8; i++)
 494                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 495         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 496         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 497         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 498         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 499         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 500         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 501         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 502         for (i = 0; i < 8; i++)
 503                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 504         for (i = 0; i < 8; i++)
 505                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 506         for (i = 0; i < 8; i++)
 507                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 508         for (i = 0; i < 8; i++)
 509                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 510         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 511         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 512         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 513         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 514         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 515         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 516         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 517         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 518         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 519         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 520         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 521         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 522         for (i = 0; i < 8; i++)
 523                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 524         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 525         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 526         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 527         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 528         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 529         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 530         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 531         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 532         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 533         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 534         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 535         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 536         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 537         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 538         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 539         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 540         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 541         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 542         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 543         for (i = 0; i < 16; i++)
 544                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 545         for (i = 0; i < 16; i++)
 546                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 547         for (i = 0; i < 16; i++)
 548                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 549         for (i = 0; i < 16; i++)
 550                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 551
 552         /* MAC */
 553         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 554         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 555         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 556         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 557         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 558         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 559         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 560         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 561         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 562         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 563         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 564         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 565         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 566         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 567         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 568         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 569         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 570         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 571         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 572         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 573         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 574         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 575         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 576         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 577         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 578         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 579         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 580         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 581         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 582         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 583         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 584         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 585         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 586
 587         /* Diagnostic */
 588         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 589         for (i = 0; i < 8; i++)
 590                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 591         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 592         for (i = 0; i < 4; i++)
 593                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 594         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 595         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 596         for (i = 0; i < 8; i++)
 597                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 598         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 599         for (i = 0; i < 4; i++)
 600                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 601         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 602         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 603         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 604         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 605         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 606         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 607         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 608         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 609         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 610         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 611         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 612         for (i = 0; i < 8; i++)
 613                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 614         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 615         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 616         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 617         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 618         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 619         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 620         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 621         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 622         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 623 }
 624
 625 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 626 {
 627         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 628         return adapter->hw.eeprom.word_size * 2;
 629 }
 630
 631 static int ixgbe_get_eeprom(struct net_device *netdev,
 632                             struct ethtool_eeprom *eeprom, u8 *bytes)
 633 {
 634         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 635         struct ixgbe_hw *hw = &adapter->hw;
 636         u16 *eeprom_buff;
 637         int first_word, last_word, eeprom_len;
 638         int ret_val = 0;
 639         u16 i;
 640
 641         if (eeprom->len == 0)
 642                 return -EINVAL;
 643
 644         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 645
 646         first_word = eeprom->offset >> 1;
 647         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 648         eeprom_len = last_word - first_word + 1;
 649
 650         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 651         if (!eeprom_buff)
 652                 return -ENOMEM;
 653
 654         for (i = 0; i < eeprom_len; i++) {
 655                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 656                     &eeprom_buff[i])))
 657                         break;
 658         }
 659
 660         /* Device's eeprom is always little-endian, word addressable */
 661         for (i = 0; i < eeprom_len; i++)
 662                 le16_to_cpus(&eeprom_buff[i]);
 663
 664         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 665         kfree(eeprom_buff);
 666
 667         return ret_val;
 668 }
 669
 670 static void ixgbe_get_drvinfo(struct net_device *netdev,
 671                               struct ethtool_drvinfo *drvinfo)
 672 {
 673         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 674
 675         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
 676         strncpy(drvinfo->version, ixgbe_driver_version, 32);
 677         strncpy(drvinfo->fw_version, "N/A", 32);
 678         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 679         drvinfo->n_stats = IXGBE_STATS_LEN;
 680         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 681 }
 682
 683 static void ixgbe_get_ringparam(struct net_device *netdev,
 684                                 struct ethtool_ringparam *ring)
 685 {
 686         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 687         struct ixgbe_ring *tx_ring = adapter->tx_ring;
 688         struct ixgbe_ring *rx_ring = adapter->rx_ring;
 689
 690         ring->rx_max_pending = IXGBE_MAX_RXD;
 691         ring->tx_max_pending = IXGBE_MAX_TXD;
 692         ring->rx_mini_max_pending = 0;
 693         ring->rx_jumbo_max_pending = 0;
 694         ring->rx_pending = rx_ring->count;
 695         ring->tx_pending = tx_ring->count;
 696         ring->rx_mini_pending = 0;
 697         ring->rx_jumbo_pending = 0;
 698 }
 699
 700 static int ixgbe_set_ringparam(struct net_device *netdev,
 701                                struct ethtool_ringparam *ring)
 702 {
 703         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 704         struct ixgbe_ring *temp_ring;
 705         int i, err;
 706         u32 new_rx_count, new_tx_count;
 707
 708         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 709                 return -EINVAL;
 710
 711         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 712         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 713         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 714
 715         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 716         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 717         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 718
 719         if ((new_tx_count == adapter->tx_ring->count) &&
 720             (new_rx_count == adapter->rx_ring->count)) {
 721                 /* nothing to do */
 722                 return 0;
 723         }
 724
 725         temp_ring = kcalloc(adapter->num_tx_queues,
 726                             sizeof(struct ixgbe_ring), GFP_KERNEL);
 727         if (!temp_ring)
 728                 return -ENOMEM;
 729
 730         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 731                 msleep(1);
 732
 733         if (new_tx_count != adapter->tx_ring->count) {
 734                 for (i = 0; i < adapter->num_tx_queues; i++) {
 735                         temp_ring[i].count = new_tx_count;
 736                         err = ixgbe_setup_tx_resources(adapter, &temp_ring[i]);
 737                         if (err) {
 738                                 while (i) {
 739                                         i--;
 740                                         ixgbe_free_tx_resources(adapter,
 741                                                                 &temp_ring[i]);
 742                                 }
 743                                 goto err_setup;
 744                         }
 745                         temp_ring[i].v_idx = adapter->tx_ring[i].v_idx;
 746                 }
 747                 if (netif_running(netdev))
 748                         netdev->netdev_ops->ndo_stop(netdev);
 749                 ixgbe_reset_interrupt_capability(adapter);
 750                 ixgbe_napi_del_all(adapter);
 751                 INIT_LIST_HEAD(&netdev->napi_list);
 752                 kfree(adapter->tx_ring);
 753                 adapter->tx_ring = temp_ring;
 754                 temp_ring = NULL;
 755                 adapter->tx_ring_count = new_tx_count;
 756         }
 757
 758         temp_ring = kcalloc(adapter->num_rx_queues,
 759                             sizeof(struct ixgbe_ring), GFP_KERNEL);
 760         if (!temp_ring) {
 761                 if (netif_running(netdev))
 762                         netdev->netdev_ops->ndo_open(netdev);
 763                 return -ENOMEM;
 764         }
 765
 766         if (new_rx_count != adapter->rx_ring->count) {
 767                 for (i = 0; i < adapter->num_rx_queues; i++) {
 768                         temp_ring[i].count = new_rx_count;
 769                         err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
 770                         if (err) {
 771                                 while (i) {
 772                                         i--;
 773                                         ixgbe_free_rx_resources(adapter,
 774                                                                 &temp_ring[i]);
 775                                 }
 776                                 goto err_setup;
 777                         }
 778                         temp_ring[i].v_idx = adapter->rx_ring[i].v_idx;
 779                 }
 780                 if (netif_running(netdev))
 781                         netdev->netdev_ops->ndo_stop(netdev);
 782                 ixgbe_reset_interrupt_capability(adapter);
 783                 ixgbe_napi_del_all(adapter);
 784                 INIT_LIST_HEAD(&netdev->napi_list);
 785                 kfree(adapter->rx_ring);
 786                 adapter->rx_ring = temp_ring;
 787                 temp_ring = NULL;
 788
 789                 adapter->rx_ring_count = new_rx_count;
 790         }
 791
 792         /* success! */
 793         err = 0;
 794 err_setup:
 795         ixgbe_init_interrupt_scheme(adapter);
 796         if (netif_running(netdev))
 797                 netdev->netdev_ops->ndo_open(netdev);
 798
 799         clear_bit(__IXGBE_RESETTING, &adapter->state);
 800         return err;
 801 }
 802
 803 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 804 {
 805         switch (sset) {
 806         case ETH_SS_STATS:
 807                 return IXGBE_STATS_LEN;
 808         default:
 809                 return -EOPNOTSUPP;
 810         }
 811 }
 812
 813 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 814                                     struct ethtool_stats *stats, u64 *data)
 815 {
 816         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 817         u64 *queue_stat;
 818         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 819         int j, k;
 820         int i;
 821
 822         ixgbe_update_stats(adapter);
 823         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 824                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
 825                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 826                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 827         }
 828         for (j = 0; j < adapter->num_tx_queues; j++) {
 829                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
 830                 for (k = 0; k < stat_count; k++)
 831                         data[i + k] = queue_stat[k];
 832                 i += k;
 833         }
 834         for (j = 0; j < adapter->num_rx_queues; j++) {
 835                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
 836                 for (k = 0; k < stat_count; k++)
 837                         data[i + k] = queue_stat[k];
 838                 i += k;
 839         }
 840         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 841                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
 842                         data[i++] = adapter->stats.pxontxc[j];
 843                         data[i++] = adapter->stats.pxofftxc[j];
 844                 }
 845                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
 846                         data[i++] = adapter->stats.pxonrxc[j];
 847                         data[i++] = adapter->stats.pxoffrxc[j];
 848                 }
 849         }
 850 }
 851
 852 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 853                               u8 *data)
 854 {
 855         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 856         char *p = (char *)data;
 857         int i;
 858
 859         switch (stringset) {
 860         case ETH_SS_STATS:
 861                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 862                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
 863                                ETH_GSTRING_LEN);
 864                         p += ETH_GSTRING_LEN;
 865                 }
 866                 for (i = 0; i < adapter->num_tx_queues; i++) {
 867                         sprintf(p, "tx_queue_%u_packets", i);
 868                         p += ETH_GSTRING_LEN;
 869                         sprintf(p, "tx_queue_%u_bytes", i);
 870                         p += ETH_GSTRING_LEN;
 871                 }
 872                 for (i = 0; i < adapter->num_rx_queues; i++) {
 873                         sprintf(p, "rx_queue_%u_packets", i);
 874                         p += ETH_GSTRING_LEN;
 875                         sprintf(p, "rx_queue_%u_bytes", i);
 876                         p += ETH_GSTRING_LEN;
 877                 }
 878                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 879                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
 880                                 sprintf(p, "tx_pb_%u_pxon", i);
 881                                 p += ETH_GSTRING_LEN;
 882                                 sprintf(p, "tx_pb_%u_pxoff", i);
 883                                 p += ETH_GSTRING_LEN;
 884                         }
 885                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
 886                                 sprintf(p, "rx_pb_%u_pxon", i);
 887                                 p += ETH_GSTRING_LEN;
 888                                 sprintf(p, "rx_pb_%u_pxoff", i);
 889                                 p += ETH_GSTRING_LEN;
 890                         }
 891                 }
 892                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
 893                 break;
 894         }
 895 }
 896
 897
 898 static void ixgbe_get_wol(struct net_device *netdev,
 899                           struct ethtool_wolinfo *wol)
 900 {
 901         wol->supported = 0;
 902         wol->wolopts = 0;
 903
 904         return;
 905 }
 906
 907 static int ixgbe_nway_reset(struct net_device *netdev)
 908 {
 909         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 910
 911         if (netif_running(netdev))
 912                 ixgbe_reinit_locked(adapter);
 913
 914         return 0;
 915 }
 916
 917 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
 918 {
 919         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 920         struct ixgbe_hw *hw = &adapter->hw;
 921         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 922         u32 i;
 923
 924         if (!data || data > 300)
 925                 data = 300;
 926
 927         for (i = 0; i < (data * 1000); i += 400) {
 928                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
 929                 msleep_interruptible(200);
 930                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
 931                 msleep_interruptible(200);
 932         }
 933
 934         /* Restore LED settings */
 935         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
 936
 937         return 0;
 938 }
 939
 940 static int ixgbe_get_coalesce(struct net_device *netdev,
 941                               struct ethtool_coalesce *ec)
 942 {
 943         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 944
 945         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
 946
 947         /* only valid if in constant ITR mode */
 948         switch (adapter->itr_setting) {
 949         case 0:
 950                 /* throttling disabled */
 951                 ec->rx_coalesce_usecs = 0;
 952                 break;
 953         case 1:
 954                 /* dynamic ITR mode */
 955                 ec->rx_coalesce_usecs = 1;
 956                 break;
 957         default:
 958                 /* fixed interrupt rate mode */
 959                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
 960                 break;
 961         }
 962         return 0;
 963 }
 964
 965 static int ixgbe_set_coalesce(struct net_device *netdev,
 966                               struct ethtool_coalesce *ec)
 967 {
 968         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 969         struct ixgbe_hw *hw = &adapter->hw;
 970         int i;
 971
 972         if (ec->tx_max_coalesced_frames_irq)
 973                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
 974
 975         if (ec->rx_coalesce_usecs > 1) {
 976                 /* store the value in ints/second */
 977                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
 978
 979                 /* static value of interrupt rate */
 980                 adapter->itr_setting = adapter->eitr_param;
 981                 /* clear the lower bit */
 982                 adapter->itr_setting &= ~1;
 983         } else if (ec->rx_coalesce_usecs == 1) {
 984                 /* 1 means dynamic mode */
 985                 adapter->eitr_param = 20000;
 986                 adapter->itr_setting = 1;
 987         } else {
 988                 /* any other value means disable eitr, which is best
 989                  * served by setting the interrupt rate very high */
 990                 adapter->eitr_param = 3000000;
 991                 adapter->itr_setting = 0;
 992         }
 993
 994         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
 995                 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
 996                 if (q_vector->txr_count && !q_vector->rxr_count)
 997                         q_vector->eitr = (adapter->eitr_param >> 1);
 998                 else
 999                         /* rx only or mixed */
1000                         q_vector->eitr = adapter->eitr_param;
1001                 IXGBE_WRITE_REG(hw, IXGBE_EITR(i),
1002                                 EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1003         }
1004
1005         return 0;
1006 }
1007
1008
1009 static const struct ethtool_ops ixgbe_ethtool_ops = {
1010         .get_settings           = ixgbe_get_settings,
1011         .set_settings           = ixgbe_set_settings,
1012         .get_drvinfo            = ixgbe_get_drvinfo,
1013         .get_regs_len           = ixgbe_get_regs_len,
1014         .get_regs               = ixgbe_get_regs,
1015         .get_wol                = ixgbe_get_wol,
1016         .nway_reset             = ixgbe_nway_reset,
1017         .get_link               = ethtool_op_get_link,
1018         .get_eeprom_len         = ixgbe_get_eeprom_len,
1019         .get_eeprom             = ixgbe_get_eeprom,
1020         .get_ringparam          = ixgbe_get_ringparam,
1021         .set_ringparam          = ixgbe_set_ringparam,
1022         .get_pauseparam         = ixgbe_get_pauseparam,
1023         .set_pauseparam         = ixgbe_set_pauseparam,
1024         .get_rx_csum            = ixgbe_get_rx_csum,
1025         .set_rx_csum            = ixgbe_set_rx_csum,
1026         .get_tx_csum            = ixgbe_get_tx_csum,
1027         .set_tx_csum            = ixgbe_set_tx_csum,
1028         .get_sg                 = ethtool_op_get_sg,
1029         .set_sg                 = ethtool_op_set_sg,
1030         .get_msglevel           = ixgbe_get_msglevel,
1031         .set_msglevel           = ixgbe_set_msglevel,
1032         .get_tso                = ethtool_op_get_tso,
1033         .set_tso                = ixgbe_set_tso,
1034         .get_strings            = ixgbe_get_strings,
1035         .phys_id                = ixgbe_phys_id,
1036         .get_sset_count         = ixgbe_get_sset_count,
1037         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1038         .get_coalesce           = ixgbe_get_coalesce,
1039         .set_coalesce           = ixgbe_set_coalesce,
1040         .get_flags              = ethtool_op_get_flags,
1041         .set_flags              = ethtool_op_set_flags,
1042 };
1043
1044 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1045 {
1046         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1047 }