drivers/net/ixgbe/ixgbe_ethtool.c

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