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 };
  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                 case IXGBE_DEV_ID_82598_BX:
 145                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 146                                            SUPPORTED_FIBRE);
 147                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 148                                              ADVERTISED_FIBRE);
 149                         ecmd->port = PORT_FIBRE;
 150                         ecmd->autoneg = AUTONEG_DISABLE;
 151                         break;
 152                 }
 153         } else {
 154                 ecmd->supported |= SUPPORTED_FIBRE;
 155                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 156                                      ADVERTISED_FIBRE);
 157                 ecmd->port = PORT_FIBRE;
 158                 ecmd->autoneg = AUTONEG_DISABLE;
 159         }
 160
 161         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 162         if (link_up) {
 163                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
 164                                SPEED_10000 : SPEED_1000;
 165                 ecmd->duplex = DUPLEX_FULL;
 166         } else {
 167                 ecmd->speed = -1;
 168                 ecmd->duplex = -1;
 169         }
 170
 171         return 0;
 172 }
 173
 174 static int ixgbe_set_settings(struct net_device *netdev,
 175                               struct ethtool_cmd *ecmd)
 176 {
 177         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 178         struct ixgbe_hw *hw = &adapter->hw;
 179         u32 advertised, old;
 180         s32 err;
 181
 182         switch (hw->phy.media_type) {
 183         case ixgbe_media_type_fiber:
 184                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 185                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 186                         return -EINVAL;
 187                 /* in this case we currently only support 10Gb/FULL */
 188                 break;
 189         case ixgbe_media_type_copper:
 190                 /* 10000/copper and 1000/copper must autoneg
 191                  * this function does not support any duplex forcing, but can
 192                  * limit the advertising of the adapter to only 10000 or 1000 */
 193                 if (ecmd->autoneg == AUTONEG_DISABLE)
 194                         return -EINVAL;
 195
 196                 old = hw->phy.autoneg_advertised;
 197                 advertised = 0;
 198                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 199                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 200
 201                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 202                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 203
 204                 if (old == advertised)
 205                         break;
 206                 /* this sets the link speed and restarts auto-neg */
 207                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
 208                 if (err) {
 209                         DPRINTK(PROBE, INFO,
 210                                 "setup link failed with code %d\n", err);
 211                         hw->mac.ops.setup_link_speed(hw, old, true, true);
 212                 }
 213                 break;
 214         default:
 215                 break;
 216         }
 217
 218         return 0;
 219 }
 220
 221 static void ixgbe_get_pauseparam(struct net_device *netdev,
 222                                  struct ethtool_pauseparam *pause)
 223 {
 224         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 225         struct ixgbe_hw *hw = &adapter->hw;
 226
 227         pause->autoneg = (hw->fc.type == ixgbe_fc_full ? 1 : 0);
 228
 229         if (hw->fc.type == ixgbe_fc_rx_pause) {
 230                 pause->rx_pause = 1;
 231         } else if (hw->fc.type == ixgbe_fc_tx_pause) {
 232                 pause->tx_pause = 1;
 233         } else if (hw->fc.type == ixgbe_fc_full) {
 234                 pause->rx_pause = 1;
 235                 pause->tx_pause = 1;
 236         }
 237 }
 238
 239 static int ixgbe_set_pauseparam(struct net_device *netdev,
 240                                 struct ethtool_pauseparam *pause)
 241 {
 242         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 243         struct ixgbe_hw *hw = &adapter->hw;
 244
 245         if ((pause->autoneg == AUTONEG_ENABLE) ||
 246             (pause->rx_pause && pause->tx_pause))
 247                 hw->fc.type = ixgbe_fc_full;
 248         else if (pause->rx_pause && !pause->tx_pause)
 249                 hw->fc.type = ixgbe_fc_rx_pause;
 250         else if (!pause->rx_pause && pause->tx_pause)
 251                 hw->fc.type = ixgbe_fc_tx_pause;
 252         else if (!pause->rx_pause && !pause->tx_pause)
 253                 hw->fc.type = ixgbe_fc_none;
 254         else
 255                 return -EINVAL;
 256
 257         hw->fc.original_type = hw->fc.type;
 258
 259         if (netif_running(netdev))
 260                 ixgbe_reinit_locked(adapter);
 261         else
 262                 ixgbe_reset(adapter);
 263
 264         return 0;
 265 }
 266
 267 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 268 {
 269         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 270         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
 271 }
 272
 273 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 274 {
 275         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 276         if (data)
 277                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 278         else
 279                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 280
 281         if (netif_running(netdev))
 282                 ixgbe_reinit_locked(adapter);
 283         else
 284                 ixgbe_reset(adapter);
 285
 286         return 0;
 287 }
 288
 289 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 290 {
 291         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 292 }
 293
 294 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 295 {
 296         if (data)
 297                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 298         else
 299                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 300
 301         return 0;
 302 }
 303
 304 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 305 {
 306         if (data) {
 307                 netdev->features |= NETIF_F_TSO;
 308                 netdev->features |= NETIF_F_TSO6;
 309         } else {
 310                 netif_tx_stop_all_queues(netdev);
 311                 netdev->features &= ~NETIF_F_TSO;
 312                 netdev->features &= ~NETIF_F_TSO6;
 313                 netif_tx_start_all_queues(netdev);
 314         }
 315         return 0;
 316 }
 317
 318 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 319 {
 320         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 321         return adapter->msg_enable;
 322 }
 323
 324 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 325 {
 326         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 327         adapter->msg_enable = data;
 328 }
 329
 330 static int ixgbe_get_regs_len(struct net_device *netdev)
 331 {
 332 #define IXGBE_REGS_LEN  1128
 333         return IXGBE_REGS_LEN * sizeof(u32);
 334 }
 335
 336 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 337
 338 static void ixgbe_get_regs(struct net_device *netdev,
 339                            struct ethtool_regs *regs, void *p)
 340 {
 341         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 342         struct ixgbe_hw *hw = &adapter->hw;
 343         u32 *regs_buff = p;
 344         u8 i;
 345
 346         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 347
 348         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 349
 350         /* General Registers */
 351         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 352         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 353         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 354         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 355         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 356         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 357         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 358         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 359
 360         /* NVM Register */
 361         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 362         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 363         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 364         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 365         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 366         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 367         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 368         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 369         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 370         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 371
 372         /* Interrupt */
 373         /* don't read EICR because it can clear interrupt causes, instead
 374          * read EICS which is a shadow but doesn't clear EICR */
 375         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 376         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 377         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 378         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 379         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 380         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 381         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 382         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 383         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 384         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 385         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 386         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 387
 388         /* Flow Control */
 389         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 390         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 391         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 392         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 393         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 394         for (i = 0; i < 8; i++)
 395                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 396         for (i = 0; i < 8; i++)
 397                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 398         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 399         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 400
 401         /* Receive DMA */
 402         for (i = 0; i < 64; i++)
 403                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 404         for (i = 0; i < 64; i++)
 405                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 406         for (i = 0; i < 64; i++)
 407                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 408         for (i = 0; i < 64; i++)
 409                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 410         for (i = 0; i < 64; i++)
 411                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 412         for (i = 0; i < 64; i++)
 413                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 414         for (i = 0; i < 16; i++)
 415                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 416         for (i = 0; i < 16; i++)
 417                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 418         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 419         for (i = 0; i < 8; i++)
 420                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 421         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 422         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 423
 424         /* Receive */
 425         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 426         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 427         for (i = 0; i < 16; i++)
 428                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 429         for (i = 0; i < 16; i++)
 430                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 431         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 432         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 433         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 434         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 435         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 436         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 437         for (i = 0; i < 8; i++)
 438                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 439         for (i = 0; i < 8; i++)
 440                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 441         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 442
 443         /* Transmit */
 444         for (i = 0; i < 32; i++)
 445                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 446         for (i = 0; i < 32; i++)
 447                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 448         for (i = 0; i < 32; i++)
 449                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 450         for (i = 0; i < 32; i++)
 451                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 452         for (i = 0; i < 32; i++)
 453                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 454         for (i = 0; i < 32; i++)
 455                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 456         for (i = 0; i < 32; i++)
 457                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 458         for (i = 0; i < 32; i++)
 459                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 460         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 461         for (i = 0; i < 16; i++)
 462                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 463         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 464         for (i = 0; i < 8; i++)
 465                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 466         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 467
 468         /* Wake Up */
 469         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 470         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 471         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 472         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 473         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 474         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 475         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 476         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 477         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT);
 478
 479         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 480         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 481         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 482         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 483         for (i = 0; i < 8; i++)
 484                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 485         for (i = 0; i < 8; i++)
 486                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 487         for (i = 0; i < 8; i++)
 488                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 489         for (i = 0; i < 8; i++)
 490                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 491         for (i = 0; i < 8; i++)
 492                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 493         for (i = 0; i < 8; i++)
 494                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 495
 496         /* Statistics */
 497         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 498         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 499         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 500         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 501         for (i = 0; i < 8; i++)
 502                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 503         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 504         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 505         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 506         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 507         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 508         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 509         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 510         for (i = 0; i < 8; i++)
 511                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 512         for (i = 0; i < 8; i++)
 513                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 514         for (i = 0; i < 8; i++)
 515                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 516         for (i = 0; i < 8; i++)
 517                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 518         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 519         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 520         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 521         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 522         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 523         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 524         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 525         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 526         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 527         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 528         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 529         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 530         for (i = 0; i < 8; i++)
 531                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 532         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 533         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 534         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 535         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 536         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 537         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 538         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 539         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 540         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 541         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 542         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 543         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 544         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 545         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 546         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 547         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 548         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 549         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 550         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 551         for (i = 0; i < 16; i++)
 552                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 553         for (i = 0; i < 16; i++)
 554                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 555         for (i = 0; i < 16; i++)
 556                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 557         for (i = 0; i < 16; i++)
 558                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 559
 560         /* MAC */
 561         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 562         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 563         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 564         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 565         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 566         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 567         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 568         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 569         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 570         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 571         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 572         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 573         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 574         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 575         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 576         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 577         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 578         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 579         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 580         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 581         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 582         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 583         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 584         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 585         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 586         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 587         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 588         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 589         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 590         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 591         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 592         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 593         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 594
 595         /* Diagnostic */
 596         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 597         for (i = 0; i < 8; i++)
 598                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 599         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 600         for (i = 0; i < 4; i++)
 601                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 602         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 603         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 604         for (i = 0; i < 8; i++)
 605                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 606         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 607         for (i = 0; i < 4; i++)
 608                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 609         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 610         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 611         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 612         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 613         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 614         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 615         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 616         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 617         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 618         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 619         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 620         for (i = 0; i < 8; i++)
 621                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 622         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 623         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 624         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 625         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 626         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 627         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 628         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 629         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 630         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 631 }
 632
 633 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 634 {
 635         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 636         return adapter->hw.eeprom.word_size * 2;
 637 }
 638
 639 static int ixgbe_get_eeprom(struct net_device *netdev,
 640                             struct ethtool_eeprom *eeprom, u8 *bytes)
 641 {
 642         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 643         struct ixgbe_hw *hw = &adapter->hw;
 644         u16 *eeprom_buff;
 645         int first_word, last_word, eeprom_len;
 646         int ret_val = 0;
 647         u16 i;
 648
 649         if (eeprom->len == 0)
 650                 return -EINVAL;
 651
 652         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 653
 654         first_word = eeprom->offset >> 1;
 655         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 656         eeprom_len = last_word - first_word + 1;
 657
 658         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 659         if (!eeprom_buff)
 660                 return -ENOMEM;
 661
 662         for (i = 0; i < eeprom_len; i++) {
 663                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 664                     &eeprom_buff[i])))
 665                         break;
 666         }
 667
 668         /* Device's eeprom is always little-endian, word addressable */
 669         for (i = 0; i < eeprom_len; i++)
 670                 le16_to_cpus(&eeprom_buff[i]);
 671
 672         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 673         kfree(eeprom_buff);
 674
 675         return ret_val;
 676 }
 677
 678 static void ixgbe_get_drvinfo(struct net_device *netdev,
 679                               struct ethtool_drvinfo *drvinfo)
 680 {
 681         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 682         char firmware_version[32];
 683
 684         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
 685         strncpy(drvinfo->version, ixgbe_driver_version, 32);
 686
 687         sprintf(firmware_version, "%d.%d-%d",
 688                 (adapter->eeprom_version & 0xF000) >> 12,
 689                 (adapter->eeprom_version & 0x0FF0) >> 4,
 690                 adapter->eeprom_version & 0x000F);
 691
 692         strncpy(drvinfo->fw_version, firmware_version, 32);
 693         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 694         drvinfo->n_stats = IXGBE_STATS_LEN;
 695         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 696 }
 697
 698 static void ixgbe_get_ringparam(struct net_device *netdev,
 699                                 struct ethtool_ringparam *ring)
 700 {
 701         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 702         struct ixgbe_ring *tx_ring = adapter->tx_ring;
 703         struct ixgbe_ring *rx_ring = adapter->rx_ring;
 704
 705         ring->rx_max_pending = IXGBE_MAX_RXD;
 706         ring->tx_max_pending = IXGBE_MAX_TXD;
 707         ring->rx_mini_max_pending = 0;
 708         ring->rx_jumbo_max_pending = 0;
 709         ring->rx_pending = rx_ring->count;
 710         ring->tx_pending = tx_ring->count;
 711         ring->rx_mini_pending = 0;
 712         ring->rx_jumbo_pending = 0;
 713 }
 714
 715 static int ixgbe_set_ringparam(struct net_device *netdev,
 716                                struct ethtool_ringparam *ring)
 717 {
 718         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 719         struct ixgbe_ring *temp_ring;
 720         int i, err;
 721         u32 new_rx_count, new_tx_count;
 722
 723         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 724                 return -EINVAL;
 725
 726         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 727         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 728         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 729
 730         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 731         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 732         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 733
 734         if ((new_tx_count == adapter->tx_ring->count) &&
 735             (new_rx_count == adapter->rx_ring->count)) {
 736                 /* nothing to do */
 737                 return 0;
 738         }
 739
 740         temp_ring = kcalloc(adapter->num_tx_queues,
 741                             sizeof(struct ixgbe_ring), GFP_KERNEL);
 742         if (!temp_ring)
 743                 return -ENOMEM;
 744
 745         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 746                 msleep(1);
 747
 748         if (new_tx_count != adapter->tx_ring->count) {
 749                 for (i = 0; i < adapter->num_tx_queues; i++) {
 750                         temp_ring[i].count = new_tx_count;
 751                         err = ixgbe_setup_tx_resources(adapter, &temp_ring[i]);
 752                         if (err) {
 753                                 while (i) {
 754                                         i--;
 755                                         ixgbe_free_tx_resources(adapter,
 756                                                                 &temp_ring[i]);
 757                                 }
 758                                 goto err_setup;
 759                         }
 760                         temp_ring[i].v_idx = adapter->tx_ring[i].v_idx;
 761                 }
 762                 if (netif_running(netdev))
 763                         netdev->netdev_ops->ndo_stop(netdev);
 764                 ixgbe_reset_interrupt_capability(adapter);
 765                 ixgbe_napi_del_all(adapter);
 766                 INIT_LIST_HEAD(&netdev->napi_list);
 767                 kfree(adapter->tx_ring);
 768                 adapter->tx_ring = temp_ring;
 769                 temp_ring = NULL;
 770                 adapter->tx_ring_count = new_tx_count;
 771         }
 772
 773         temp_ring = kcalloc(adapter->num_rx_queues,
 774                             sizeof(struct ixgbe_ring), GFP_KERNEL);
 775         if (!temp_ring) {
 776                 if (netif_running(netdev))
 777                         netdev->netdev_ops->ndo_open(netdev);
 778                 return -ENOMEM;
 779         }
 780
 781         if (new_rx_count != adapter->rx_ring->count) {
 782                 for (i = 0; i < adapter->num_rx_queues; i++) {
 783                         temp_ring[i].count = new_rx_count;
 784                         err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
 785                         if (err) {
 786                                 while (i) {
 787                                         i--;
 788                                         ixgbe_free_rx_resources(adapter,
 789                                                                 &temp_ring[i]);
 790                                 }
 791                                 goto err_setup;
 792                         }
 793                         temp_ring[i].v_idx = adapter->rx_ring[i].v_idx;
 794                 }
 795                 if (netif_running(netdev))
 796                         netdev->netdev_ops->ndo_stop(netdev);
 797                 ixgbe_reset_interrupt_capability(adapter);
 798                 ixgbe_napi_del_all(adapter);
 799                 INIT_LIST_HEAD(&netdev->napi_list);
 800                 kfree(adapter->rx_ring);
 801                 adapter->rx_ring = temp_ring;
 802                 temp_ring = NULL;
 803
 804                 adapter->rx_ring_count = new_rx_count;
 805         }
 806
 807         /* success! */
 808         err = 0;
 809 err_setup:
 810         ixgbe_init_interrupt_scheme(adapter);
 811         if (netif_running(netdev))
 812                 netdev->netdev_ops->ndo_open(netdev);
 813
 814         clear_bit(__IXGBE_RESETTING, &adapter->state);
 815         return err;
 816 }
 817
 818 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 819 {
 820         switch (sset) {
 821         case ETH_SS_STATS:
 822                 return IXGBE_STATS_LEN;
 823         default:
 824                 return -EOPNOTSUPP;
 825         }
 826 }
 827
 828 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 829                                     struct ethtool_stats *stats, u64 *data)
 830 {
 831         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 832         u64 *queue_stat;
 833         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 834         int j, k;
 835         int i;
 836
 837         ixgbe_update_stats(adapter);
 838         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 839                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
 840                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 841                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 842         }
 843         for (j = 0; j < adapter->num_tx_queues; j++) {
 844                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
 845                 for (k = 0; k < stat_count; k++)
 846                         data[i + k] = queue_stat[k];
 847                 i += k;
 848         }
 849         for (j = 0; j < adapter->num_rx_queues; j++) {
 850                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
 851                 for (k = 0; k < stat_count; k++)
 852                         data[i + k] = queue_stat[k];
 853                 i += k;
 854         }
 855         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 856                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
 857                         data[i++] = adapter->stats.pxontxc[j];
 858                         data[i++] = adapter->stats.pxofftxc[j];
 859                 }
 860                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
 861                         data[i++] = adapter->stats.pxonrxc[j];
 862                         data[i++] = adapter->stats.pxoffrxc[j];
 863                 }
 864         }
 865 }
 866
 867 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 868                               u8 *data)
 869 {
 870         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 871         char *p = (char *)data;
 872         int i;
 873
 874         switch (stringset) {
 875         case ETH_SS_STATS:
 876                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 877                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
 878                                ETH_GSTRING_LEN);
 879                         p += ETH_GSTRING_LEN;
 880                 }
 881                 for (i = 0; i < adapter->num_tx_queues; i++) {
 882                         sprintf(p, "tx_queue_%u_packets", i);
 883                         p += ETH_GSTRING_LEN;
 884                         sprintf(p, "tx_queue_%u_bytes", i);
 885                         p += ETH_GSTRING_LEN;
 886                 }
 887                 for (i = 0; i < adapter->num_rx_queues; i++) {
 888                         sprintf(p, "rx_queue_%u_packets", i);
 889                         p += ETH_GSTRING_LEN;
 890                         sprintf(p, "rx_queue_%u_bytes", i);
 891                         p += ETH_GSTRING_LEN;
 892                 }
 893                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 894                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
 895                                 sprintf(p, "tx_pb_%u_pxon", i);
 896                                 p += ETH_GSTRING_LEN;
 897                                 sprintf(p, "tx_pb_%u_pxoff", i);
 898                                 p += ETH_GSTRING_LEN;
 899                         }
 900                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
 901                                 sprintf(p, "rx_pb_%u_pxon", i);
 902                                 p += ETH_GSTRING_LEN;
 903                                 sprintf(p, "rx_pb_%u_pxoff", i);
 904                                 p += ETH_GSTRING_LEN;
 905                         }
 906                 }
 907                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
 908                 break;
 909         }
 910 }
 911
 912
 913 static void ixgbe_get_wol(struct net_device *netdev,
 914                           struct ethtool_wolinfo *wol)
 915 {
 916         wol->supported = 0;
 917         wol->wolopts = 0;
 918
 919         return;
 920 }
 921
 922 static int ixgbe_nway_reset(struct net_device *netdev)
 923 {
 924         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 925
 926         if (netif_running(netdev))
 927                 ixgbe_reinit_locked(adapter);
 928
 929         return 0;
 930 }
 931
 932 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
 933 {
 934         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 935         struct ixgbe_hw *hw = &adapter->hw;
 936         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 937         u32 i;
 938
 939         if (!data || data > 300)
 940                 data = 300;
 941
 942         for (i = 0; i < (data * 1000); i += 400) {
 943                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
 944                 msleep_interruptible(200);
 945                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
 946                 msleep_interruptible(200);
 947         }
 948
 949         /* Restore LED settings */
 950         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
 951
 952         return 0;
 953 }
 954
 955 static int ixgbe_get_coalesce(struct net_device *netdev,
 956                               struct ethtool_coalesce *ec)
 957 {
 958         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 959
 960         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
 961
 962         /* only valid if in constant ITR mode */
 963         switch (adapter->itr_setting) {
 964         case 0:
 965                 /* throttling disabled */
 966                 ec->rx_coalesce_usecs = 0;
 967                 break;
 968         case 1:
 969                 /* dynamic ITR mode */
 970                 ec->rx_coalesce_usecs = 1;
 971                 break;
 972         default:
 973                 /* fixed interrupt rate mode */
 974                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
 975                 break;
 976         }
 977         return 0;
 978 }
 979
 980 static int ixgbe_set_coalesce(struct net_device *netdev,
 981                               struct ethtool_coalesce *ec)
 982 {
 983         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 984         struct ixgbe_hw *hw = &adapter->hw;
 985         int i;
 986
 987         if (ec->tx_max_coalesced_frames_irq)
 988                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
 989
 990         if (ec->rx_coalesce_usecs > 1) {
 991                 /* store the value in ints/second */
 992                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
 993
 994                 /* static value of interrupt rate */
 995                 adapter->itr_setting = adapter->eitr_param;
 996                 /* clear the lower bit */
 997                 adapter->itr_setting &= ~1;
 998         } else if (ec->rx_coalesce_usecs == 1) {
 999                 /* 1 means dynamic mode */
1000                 adapter->eitr_param = 20000;
1001                 adapter->itr_setting = 1;
1002         } else {
1003                 /* any other value means disable eitr, which is best
1004                  * served by setting the interrupt rate very high */
1005                 adapter->eitr_param = 3000000;
1006                 adapter->itr_setting = 0;
1007         }
1008
1009         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1010                 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
1011                 if (q_vector->txr_count && !q_vector->rxr_count)
1012                         q_vector->eitr = (adapter->eitr_param >> 1);
1013                 else
1014                         /* rx only or mixed */
1015                         q_vector->eitr = adapter->eitr_param;
1016                 IXGBE_WRITE_REG(hw, IXGBE_EITR(i),
1017                                 EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1018         }
1019
1020         return 0;
1021 }
1022
1023
1024 static const struct ethtool_ops ixgbe_ethtool_ops = {
1025         .get_settings           = ixgbe_get_settings,
1026         .set_settings           = ixgbe_set_settings,
1027         .get_drvinfo            = ixgbe_get_drvinfo,
1028         .get_regs_len           = ixgbe_get_regs_len,
1029         .get_regs               = ixgbe_get_regs,
1030         .get_wol                = ixgbe_get_wol,
1031         .nway_reset             = ixgbe_nway_reset,
1032         .get_link               = ethtool_op_get_link,
1033         .get_eeprom_len         = ixgbe_get_eeprom_len,
1034         .get_eeprom             = ixgbe_get_eeprom,
1035         .get_ringparam          = ixgbe_get_ringparam,
1036         .set_ringparam          = ixgbe_set_ringparam,
1037         .get_pauseparam         = ixgbe_get_pauseparam,
1038         .set_pauseparam         = ixgbe_set_pauseparam,
1039         .get_rx_csum            = ixgbe_get_rx_csum,
1040         .set_rx_csum            = ixgbe_set_rx_csum,
1041         .get_tx_csum            = ixgbe_get_tx_csum,
1042         .set_tx_csum            = ixgbe_set_tx_csum,
1043         .get_sg                 = ethtool_op_get_sg,
1044         .set_sg                 = ethtool_op_set_sg,
1045         .get_msglevel           = ixgbe_get_msglevel,
1046         .set_msglevel           = ixgbe_set_msglevel,
1047         .get_tso                = ethtool_op_get_tso,
1048         .set_tso                = ixgbe_set_tso,
1049         .get_strings            = ixgbe_get_strings,
1050         .phys_id                = ixgbe_phys_id,
1051         .get_sset_count         = ixgbe_get_sset_count,
1052         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1053         .get_coalesce           = ixgbe_get_coalesce,
1054         .set_coalesce           = ixgbe_set_coalesce,
1055         .get_flags              = ethtool_op_get_flags,
1056         .set_flags              = ethtool_op_set_flags,
1057 };
1058
1059 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1060 {
1061         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1062 }