git.oblomov.eu Git - linux-2.6/blob - 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         {"hw_rsc_count", IXGBE_STAT(rsc_count)},
  71         {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
  72         {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
  73         {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
  74         {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
  75         {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
  76         {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
  77         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  78         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
  79         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
  80         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
  81         {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
  82         {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
  83         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
  84         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
  85         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
  86         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
  87         {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
  88         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
  89         {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
  90         {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
  91         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
  92         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
  93         {"rx_no_dma_resources", IXGBE_STAT(hw_rx_no_dma_resources)},
  94 #ifdef IXGBE_FCOE
  95         {"fcoe_bad_fccrc", IXGBE_STAT(stats.fccrc)},
  96         {"rx_fcoe_dropped", IXGBE_STAT(stats.fcoerpdc)},
  97         {"rx_fcoe_packets", IXGBE_STAT(stats.fcoeprc)},
  98         {"rx_fcoe_dwords", IXGBE_STAT(stats.fcoedwrc)},
  99         {"tx_fcoe_packets", IXGBE_STAT(stats.fcoeptc)},
 100         {"tx_fcoe_dwords", IXGBE_STAT(stats.fcoedwtc)},
 101 #endif /* IXGBE_FCOE */
 102 };
 103
 104 #define IXGBE_QUEUE_STATS_LEN \
 105         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
 106         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
 107         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 108 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 109 #define IXGBE_PB_STATS_LEN ( \
 110                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 111                  IXGBE_FLAG_DCB_ENABLED) ? \
 112                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 113                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 114                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 115                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 116                   / sizeof(u64) : 0)
 117 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 118                          IXGBE_PB_STATS_LEN + \
 119                          IXGBE_QUEUE_STATS_LEN)
 120
 121 static int ixgbe_get_settings(struct net_device *netdev,
 122                               struct ethtool_cmd *ecmd)
 123 {
 124         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 125         struct ixgbe_hw *hw = &adapter->hw;
 126         u32 link_speed = 0;
 127         bool link_up;
 128
 129         ecmd->supported = SUPPORTED_10000baseT_Full;
 130         ecmd->autoneg = AUTONEG_ENABLE;
 131         ecmd->transceiver = XCVR_EXTERNAL;
 132         if (hw->phy.media_type == ixgbe_media_type_copper) {
 133                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 134                                     SUPPORTED_TP | SUPPORTED_Autoneg);
 135
 136                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
 137                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 138                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 139                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
 140                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 141                 /*
 142                  * It's possible that phy.autoneg_advertised may not be
 143                  * set yet.  If so display what the default would be -
 144                  * both 1G and 10G supported.
 145                  */
 146                 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
 147                                            ADVERTISED_10000baseT_Full)))
 148                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 149                                               ADVERTISED_1000baseT_Full);
 150
 151                 ecmd->port = PORT_TP;
 152         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 153                 /* Set as FIBRE until SERDES defined in kernel */
 154                 switch (hw->device_id) {
 155                 case IXGBE_DEV_ID_82598:
 156                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 157                                 SUPPORTED_FIBRE);
 158                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 159                                 ADVERTISED_1000baseT_Full |
 160                                 ADVERTISED_FIBRE);
 161                         ecmd->port = PORT_FIBRE;
 162                         break;
 163                 case IXGBE_DEV_ID_82598_BX:
 164                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 165                                            SUPPORTED_FIBRE);
 166                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 167                                              ADVERTISED_FIBRE);
 168                         ecmd->port = PORT_FIBRE;
 169                         ecmd->autoneg = AUTONEG_DISABLE;
 170                         break;
 171                 }
 172         } else {
 173                 ecmd->supported |= SUPPORTED_FIBRE;
 174                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 175                                      ADVERTISED_FIBRE);
 176                 ecmd->port = PORT_FIBRE;
 177                 ecmd->autoneg = AUTONEG_DISABLE;
 178         }
 179
 180         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 181         if (link_up) {
 182                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
 183                                SPEED_10000 : SPEED_1000;
 184                 ecmd->duplex = DUPLEX_FULL;
 185         } else {
 186                 ecmd->speed = -1;
 187                 ecmd->duplex = -1;
 188         }
 189
 190         return 0;
 191 }
 192
 193 static int ixgbe_set_settings(struct net_device *netdev,
 194                               struct ethtool_cmd *ecmd)
 195 {
 196         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 197         struct ixgbe_hw *hw = &adapter->hw;
 198         u32 advertised, old;
 199         s32 err;
 200
 201         switch (hw->phy.media_type) {
 202         case ixgbe_media_type_fiber:
 203                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 204                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 205                         return -EINVAL;
 206                 /* in this case we currently only support 10Gb/FULL */
 207                 break;
 208         case ixgbe_media_type_copper:
 209                 /* 10000/copper and 1000/copper must autoneg
 210                  * this function does not support any duplex forcing, but can
 211                  * limit the advertising of the adapter to only 10000 or 1000 */
 212                 if (ecmd->autoneg == AUTONEG_DISABLE)
 213                         return -EINVAL;
 214
 215                 old = hw->phy.autoneg_advertised;
 216                 advertised = 0;
 217                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 218                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 219
 220                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 221                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 222
 223                 if (old == advertised)
 224                         break;
 225                 /* this sets the link speed and restarts auto-neg */
 226                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
 227                 if (err) {
 228                         DPRINTK(PROBE, INFO,
 229                                 "setup link failed with code %d\n", err);
 230                         hw->mac.ops.setup_link_speed(hw, old, true, true);
 231                 }
 232                 break;
 233         default:
 234                 break;
 235         }
 236
 237         return 0;
 238 }
 239
 240 static void ixgbe_get_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         /*
 247          * Flow Control Autoneg isn't on if
 248          *  - we didn't ask for it OR
 249          *  - it failed, we know this by tx & rx being off
 250          */
 251         if (hw->fc.disable_fc_autoneg ||
 252             (hw->fc.current_mode == ixgbe_fc_none))
 253                 pause->autoneg = 0;
 254         else
 255                 pause->autoneg = 1;
 256
 257         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 258                 pause->rx_pause = 1;
 259         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 260                 pause->tx_pause = 1;
 261         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 262                 pause->rx_pause = 1;
 263                 pause->tx_pause = 1;
 264         }
 265 }
 266
 267 static int ixgbe_set_pauseparam(struct net_device *netdev,
 268                                 struct ethtool_pauseparam *pause)
 269 {
 270         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 271         struct ixgbe_hw *hw = &adapter->hw;
 272
 273         if (pause->autoneg != AUTONEG_ENABLE)
 274                 hw->fc.disable_fc_autoneg = true;
 275         else
 276                 hw->fc.disable_fc_autoneg = false;
 277
 278         if (pause->rx_pause && pause->tx_pause)
 279                 hw->fc.requested_mode = ixgbe_fc_full;
 280         else if (pause->rx_pause && !pause->tx_pause)
 281                 hw->fc.requested_mode = ixgbe_fc_rx_pause;
 282         else if (!pause->rx_pause && pause->tx_pause)
 283                 hw->fc.requested_mode = ixgbe_fc_tx_pause;
 284         else if (!pause->rx_pause && !pause->tx_pause)
 285                 hw->fc.requested_mode = ixgbe_fc_none;
 286         else
 287                 return -EINVAL;
 288
 289         hw->mac.ops.setup_fc(hw, 0);
 290
 291         return 0;
 292 }
 293
 294 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 295 {
 296         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 297         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
 298 }
 299
 300 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 301 {
 302         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 303         if (data)
 304                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 305         else
 306                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 307
 308         if (netif_running(netdev))
 309                 ixgbe_reinit_locked(adapter);
 310         else
 311                 ixgbe_reset(adapter);
 312
 313         return 0;
 314 }
 315
 316 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 317 {
 318         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 319 }
 320
 321 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 322 {
 323         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 324
 325         if (data) {
 326                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 327                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 328                         netdev->features |= NETIF_F_SCTP_CSUM;
 329         } else {
 330                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 331                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 332                         netdev->features &= ~NETIF_F_SCTP_CSUM;
 333         }
 334
 335         return 0;
 336 }
 337
 338 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 339 {
 340         if (data) {
 341                 netdev->features |= NETIF_F_TSO;
 342                 netdev->features |= NETIF_F_TSO6;
 343         } else {
 344                 netif_tx_stop_all_queues(netdev);
 345                 netdev->features &= ~NETIF_F_TSO;
 346                 netdev->features &= ~NETIF_F_TSO6;
 347                 netif_tx_start_all_queues(netdev);
 348         }
 349         return 0;
 350 }
 351
 352 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 353 {
 354         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 355         return adapter->msg_enable;
 356 }
 357
 358 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 359 {
 360         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 361         adapter->msg_enable = data;
 362 }
 363
 364 static int ixgbe_get_regs_len(struct net_device *netdev)
 365 {
 366 #define IXGBE_REGS_LEN  1128
 367         return IXGBE_REGS_LEN * sizeof(u32);
 368 }
 369
 370 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 371
 372 static void ixgbe_get_regs(struct net_device *netdev,
 373                            struct ethtool_regs *regs, void *p)
 374 {
 375         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 376         struct ixgbe_hw *hw = &adapter->hw;
 377         u32 *regs_buff = p;
 378         u8 i;
 379
 380         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 381
 382         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 383
 384         /* General Registers */
 385         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 386         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 387         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 388         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 389         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 390         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 391         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 392         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 393
 394         /* NVM Register */
 395         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 396         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 397         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 398         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 399         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 400         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 401         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 402         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 403         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 404         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 405
 406         /* Interrupt */
 407         /* don't read EICR because it can clear interrupt causes, instead
 408          * read EICS which is a shadow but doesn't clear EICR */
 409         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 410         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 411         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 412         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 413         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 414         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 415         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 416         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 417         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 418         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 419         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 420         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 421
 422         /* Flow Control */
 423         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 424         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 425         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 426         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 427         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 428         for (i = 0; i < 8; i++)
 429                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 430         for (i = 0; i < 8; i++)
 431                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 432         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 433         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 434
 435         /* Receive DMA */
 436         for (i = 0; i < 64; i++)
 437                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 438         for (i = 0; i < 64; i++)
 439                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 440         for (i = 0; i < 64; i++)
 441                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 442         for (i = 0; i < 64; i++)
 443                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 444         for (i = 0; i < 64; i++)
 445                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 446         for (i = 0; i < 64; i++)
 447                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 448         for (i = 0; i < 16; i++)
 449                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 450         for (i = 0; i < 16; i++)
 451                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 452         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 453         for (i = 0; i < 8; i++)
 454                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 455         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 456         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 457
 458         /* Receive */
 459         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 460         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 461         for (i = 0; i < 16; i++)
 462                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 463         for (i = 0; i < 16; i++)
 464                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 465         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 466         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 467         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 468         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 469         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 470         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 471         for (i = 0; i < 8; i++)
 472                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 473         for (i = 0; i < 8; i++)
 474                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 475         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 476
 477         /* Transmit */
 478         for (i = 0; i < 32; i++)
 479                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 480         for (i = 0; i < 32; i++)
 481                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 482         for (i = 0; i < 32; i++)
 483                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 484         for (i = 0; i < 32; i++)
 485                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 486         for (i = 0; i < 32; i++)
 487                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 488         for (i = 0; i < 32; i++)
 489                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 490         for (i = 0; i < 32; i++)
 491                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 492         for (i = 0; i < 32; i++)
 493                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 494         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 495         for (i = 0; i < 16; i++)
 496                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 497         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 498         for (i = 0; i < 8; i++)
 499                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 500         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 501
 502         /* Wake Up */
 503         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 504         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 505         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 506         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 507         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 508         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 509         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 510         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 511         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 512
 513         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 514         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 515         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 516         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 517         for (i = 0; i < 8; i++)
 518                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 519         for (i = 0; i < 8; i++)
 520                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 521         for (i = 0; i < 8; i++)
 522                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 523         for (i = 0; i < 8; i++)
 524                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 525         for (i = 0; i < 8; i++)
 526                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 527         for (i = 0; i < 8; i++)
 528                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 529
 530         /* Statistics */
 531         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 532         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 533         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 534         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 535         for (i = 0; i < 8; i++)
 536                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 537         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 538         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 539         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 540         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 541         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 542         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 543         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 544         for (i = 0; i < 8; i++)
 545                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 546         for (i = 0; i < 8; i++)
 547                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 548         for (i = 0; i < 8; i++)
 549                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 550         for (i = 0; i < 8; i++)
 551                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 552         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 553         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 554         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 555         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 556         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 557         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 558         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 559         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 560         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 561         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 562         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 563         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 564         for (i = 0; i < 8; i++)
 565                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 566         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 567         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 568         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 569         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 570         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 571         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 572         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 573         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 574         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 575         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 576         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 577         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 578         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 579         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 580         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 581         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 582         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 583         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 584         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 585         for (i = 0; i < 16; i++)
 586                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 587         for (i = 0; i < 16; i++)
 588                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 589         for (i = 0; i < 16; i++)
 590                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 591         for (i = 0; i < 16; i++)
 592                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 593
 594         /* MAC */
 595         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 596         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 597         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 598         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 599         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 600         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 601         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 602         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 603         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 604         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 605         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 606         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 607         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 608         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 609         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 610         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 611         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 612         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 613         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 614         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 615         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 616         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 617         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 618         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 619         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 620         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 621         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 622         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 623         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 624         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 625         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 626         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 627         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 628
 629         /* Diagnostic */
 630         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 631         for (i = 0; i < 8; i++)
 632                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 633         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 634         for (i = 0; i < 4; i++)
 635                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 636         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 637         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 638         for (i = 0; i < 8; i++)
 639                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 640         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 641         for (i = 0; i < 4; i++)
 642                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 643         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 644         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 645         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 646         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 647         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 648         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 649         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 650         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 651         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 652         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 653         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 654         for (i = 0; i < 8; i++)
 655                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 656         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 657         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 658         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 659         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 660         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 661         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 662         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 663         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 664         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 665 }
 666
 667 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 668 {
 669         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 670         return adapter->hw.eeprom.word_size * 2;
 671 }
 672
 673 static int ixgbe_get_eeprom(struct net_device *netdev,
 674                             struct ethtool_eeprom *eeprom, u8 *bytes)
 675 {
 676         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 677         struct ixgbe_hw *hw = &adapter->hw;
 678         u16 *eeprom_buff;
 679         int first_word, last_word, eeprom_len;
 680         int ret_val = 0;
 681         u16 i;
 682
 683         if (eeprom->len == 0)
 684                 return -EINVAL;
 685
 686         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 687
 688         first_word = eeprom->offset >> 1;
 689         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 690         eeprom_len = last_word - first_word + 1;
 691
 692         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 693         if (!eeprom_buff)
 694                 return -ENOMEM;
 695
 696         for (i = 0; i < eeprom_len; i++) {
 697                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 698                     &eeprom_buff[i])))
 699                         break;
 700         }
 701
 702         /* Device's eeprom is always little-endian, word addressable */
 703         for (i = 0; i < eeprom_len; i++)
 704                 le16_to_cpus(&eeprom_buff[i]);
 705
 706         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 707         kfree(eeprom_buff);
 708
 709         return ret_val;
 710 }
 711
 712 static void ixgbe_get_drvinfo(struct net_device *netdev,
 713                               struct ethtool_drvinfo *drvinfo)
 714 {
 715         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 716         char firmware_version[32];
 717
 718         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
 719         strncpy(drvinfo->version, ixgbe_driver_version, 32);
 720
 721         sprintf(firmware_version, "%d.%d-%d",
 722                 (adapter->eeprom_version & 0xF000) >> 12,
 723                 (adapter->eeprom_version & 0x0FF0) >> 4,
 724                 adapter->eeprom_version & 0x000F);
 725
 726         strncpy(drvinfo->fw_version, firmware_version, 32);
 727         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 728         drvinfo->n_stats = IXGBE_STATS_LEN;
 729         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 730 }
 731
 732 static void ixgbe_get_ringparam(struct net_device *netdev,
 733                                 struct ethtool_ringparam *ring)
 734 {
 735         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 736         struct ixgbe_ring *tx_ring = adapter->tx_ring;
 737         struct ixgbe_ring *rx_ring = adapter->rx_ring;
 738
 739         ring->rx_max_pending = IXGBE_MAX_RXD;
 740         ring->tx_max_pending = IXGBE_MAX_TXD;
 741         ring->rx_mini_max_pending = 0;
 742         ring->rx_jumbo_max_pending = 0;
 743         ring->rx_pending = rx_ring->count;
 744         ring->tx_pending = tx_ring->count;
 745         ring->rx_mini_pending = 0;
 746         ring->rx_jumbo_pending = 0;
 747 }
 748
 749 static int ixgbe_set_ringparam(struct net_device *netdev,
 750                                struct ethtool_ringparam *ring)
 751 {
 752         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 753         struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
 754         int i, err;
 755         u32 new_rx_count, new_tx_count;
 756         bool need_update = false;
 757
 758         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 759                 return -EINVAL;
 760
 761         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 762         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 763         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 764
 765         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 766         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 767         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 768
 769         if ((new_tx_count == adapter->tx_ring->count) &&
 770             (new_rx_count == adapter->rx_ring->count)) {
 771                 /* nothing to do */
 772                 return 0;
 773         }
 774
 775         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 776                 msleep(1);
 777
 778         temp_tx_ring = kcalloc(adapter->num_tx_queues,
 779                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 780         if (!temp_tx_ring) {
 781                 err = -ENOMEM;
 782                 goto err_setup;
 783         }
 784
 785         if (new_tx_count != adapter->tx_ring_count) {
 786                 memcpy(temp_tx_ring, adapter->tx_ring,
 787                        adapter->num_tx_queues * sizeof(struct ixgbe_ring));
 788                 for (i = 0; i < adapter->num_tx_queues; i++) {
 789                         temp_tx_ring[i].count = new_tx_count;
 790                         err = ixgbe_setup_tx_resources(adapter,
 791                                                        &temp_tx_ring[i]);
 792                         if (err) {
 793                                 while (i) {
 794                                         i--;
 795                                         ixgbe_free_tx_resources(adapter,
 796                                                                 &temp_tx_ring[i]);
 797                                 }
 798                                 goto err_setup;
 799                         }
 800                         temp_tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
 801                 }
 802                 need_update = true;
 803         }
 804
 805         temp_rx_ring = kcalloc(adapter->num_rx_queues,
 806                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 807         if ((!temp_rx_ring) && (need_update)) {
 808                 for (i = 0; i < adapter->num_tx_queues; i++)
 809                         ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
 810                 kfree(temp_tx_ring);
 811                 err = -ENOMEM;
 812                 goto err_setup;
 813         }
 814
 815         if (new_rx_count != adapter->rx_ring_count) {
 816                 memcpy(temp_rx_ring, adapter->rx_ring,
 817                        adapter->num_rx_queues * sizeof(struct ixgbe_ring));
 818                 for (i = 0; i < adapter->num_rx_queues; i++) {
 819                         temp_rx_ring[i].count = new_rx_count;
 820                         err = ixgbe_setup_rx_resources(adapter,
 821                                                        &temp_rx_ring[i]);
 822                         if (err) {
 823                                 while (i) {
 824                                         i--;
 825                                         ixgbe_free_rx_resources(adapter,
 826                                                               &temp_rx_ring[i]);
 827                                 }
 828                                 goto err_setup;
 829                         }
 830                         temp_rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
 831                 }
 832                 need_update = true;
 833         }
 834
 835         /* if rings need to be updated, here's the place to do it in one shot */
 836         if (need_update) {
 837                 if (netif_running(netdev))
 838                         ixgbe_down(adapter);
 839
 840                 /* tx */
 841                 if (new_tx_count != adapter->tx_ring_count) {
 842                         kfree(adapter->tx_ring);
 843                         adapter->tx_ring = temp_tx_ring;
 844                         temp_tx_ring = NULL;
 845                         adapter->tx_ring_count = new_tx_count;
 846                 }
 847
 848                 /* rx */
 849                 if (new_rx_count != adapter->rx_ring_count) {
 850                         kfree(adapter->rx_ring);
 851                         adapter->rx_ring = temp_rx_ring;
 852                         temp_rx_ring = NULL;
 853                         adapter->rx_ring_count = new_rx_count;
 854                 }
 855         }
 856
 857         /* success! */
 858         err = 0;
 859         if (netif_running(netdev))
 860                 ixgbe_up(adapter);
 861
 862 err_setup:
 863         clear_bit(__IXGBE_RESETTING, &adapter->state);
 864         return err;
 865 }
 866
 867 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 868 {
 869         switch (sset) {
 870         case ETH_SS_STATS:
 871                 return IXGBE_STATS_LEN;
 872         default:
 873                 return -EOPNOTSUPP;
 874         }
 875 }
 876
 877 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 878                                     struct ethtool_stats *stats, u64 *data)
 879 {
 880         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 881         u64 *queue_stat;
 882         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 883         int j, k;
 884         int i;
 885
 886         ixgbe_update_stats(adapter);
 887         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 888                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
 889                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 890                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 891         }
 892         for (j = 0; j < adapter->num_tx_queues; j++) {
 893                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
 894                 for (k = 0; k < stat_count; k++)
 895                         data[i + k] = queue_stat[k];
 896                 i += k;
 897         }
 898         for (j = 0; j < adapter->num_rx_queues; j++) {
 899                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
 900                 for (k = 0; k < stat_count; k++)
 901                         data[i + k] = queue_stat[k];
 902                 i += k;
 903         }
 904         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 905                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
 906                         data[i++] = adapter->stats.pxontxc[j];
 907                         data[i++] = adapter->stats.pxofftxc[j];
 908                 }
 909                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
 910                         data[i++] = adapter->stats.pxonrxc[j];
 911                         data[i++] = adapter->stats.pxoffrxc[j];
 912                 }
 913         }
 914 }
 915
 916 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 917                               u8 *data)
 918 {
 919         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 920         char *p = (char *)data;
 921         int i;
 922
 923         switch (stringset) {
 924         case ETH_SS_STATS:
 925                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 926                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
 927                                ETH_GSTRING_LEN);
 928                         p += ETH_GSTRING_LEN;
 929                 }
 930                 for (i = 0; i < adapter->num_tx_queues; i++) {
 931                         sprintf(p, "tx_queue_%u_packets", i);
 932                         p += ETH_GSTRING_LEN;
 933                         sprintf(p, "tx_queue_%u_bytes", i);
 934                         p += ETH_GSTRING_LEN;
 935                 }
 936                 for (i = 0; i < adapter->num_rx_queues; i++) {
 937                         sprintf(p, "rx_queue_%u_packets", i);
 938                         p += ETH_GSTRING_LEN;
 939                         sprintf(p, "rx_queue_%u_bytes", i);
 940                         p += ETH_GSTRING_LEN;
 941                 }
 942                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 943                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
 944                                 sprintf(p, "tx_pb_%u_pxon", i);
 945                                 p += ETH_GSTRING_LEN;
 946                                 sprintf(p, "tx_pb_%u_pxoff", i);
 947                                 p += ETH_GSTRING_LEN;
 948                         }
 949                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
 950                                 sprintf(p, "rx_pb_%u_pxon", i);
 951                                 p += ETH_GSTRING_LEN;
 952                                 sprintf(p, "rx_pb_%u_pxoff", i);
 953                                 p += ETH_GSTRING_LEN;
 954                         }
 955                 }
 956                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
 957                 break;
 958         }
 959 }
 960
 961
 962 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
 963                                struct ethtool_wolinfo *wol)
 964 {
 965         struct ixgbe_hw *hw = &adapter->hw;
 966         int retval = 1;
 967
 968         switch(hw->device_id) {
 969         case IXGBE_DEV_ID_82599_KX4:
 970                 retval = 0;
 971                 break;
 972         default:
 973                 wol->supported = 0;
 974                 retval = 0;
 975         }
 976
 977         return retval;
 978 }
 979
 980 static void ixgbe_get_wol(struct net_device *netdev,
 981                           struct ethtool_wolinfo *wol)
 982 {
 983         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 984
 985         wol->supported = WAKE_UCAST | WAKE_MCAST |
 986                          WAKE_BCAST | WAKE_MAGIC;
 987         wol->wolopts = 0;
 988
 989         if (ixgbe_wol_exclusion(adapter, wol) ||
 990             !device_can_wakeup(&adapter->pdev->dev))
 991                 return;
 992
 993         if (adapter->wol & IXGBE_WUFC_EX)
 994                 wol->wolopts |= WAKE_UCAST;
 995         if (adapter->wol & IXGBE_WUFC_MC)
 996                 wol->wolopts |= WAKE_MCAST;
 997         if (adapter->wol & IXGBE_WUFC_BC)
 998                 wol->wolopts |= WAKE_BCAST;
 999         if (adapter->wol & IXGBE_WUFC_MAG)
1000                 wol->wolopts |= WAKE_MAGIC;
1001
1002         return;
1003 }
1004
1005 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1006 {
1007         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1008
1009         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1010                 return -EOPNOTSUPP;
1011
1012         if (ixgbe_wol_exclusion(adapter, wol))
1013                 return wol->wolopts ? -EOPNOTSUPP : 0;
1014
1015         adapter->wol = 0;
1016
1017         if (wol->wolopts & WAKE_UCAST)
1018                 adapter->wol |= IXGBE_WUFC_EX;
1019         if (wol->wolopts & WAKE_MCAST)
1020                 adapter->wol |= IXGBE_WUFC_MC;
1021         if (wol->wolopts & WAKE_BCAST)
1022                 adapter->wol |= IXGBE_WUFC_BC;
1023         if (wol->wolopts & WAKE_MAGIC)
1024                 adapter->wol |= IXGBE_WUFC_MAG;
1025
1026         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1027
1028         return 0;
1029 }
1030
1031 static int ixgbe_nway_reset(struct net_device *netdev)
1032 {
1033         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1034
1035         if (netif_running(netdev))
1036                 ixgbe_reinit_locked(adapter);
1037
1038         return 0;
1039 }
1040
1041 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1042 {
1043         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1044         struct ixgbe_hw *hw = &adapter->hw;
1045         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1046         u32 i;
1047
1048         if (!data || data > 300)
1049                 data = 300;
1050
1051         for (i = 0; i < (data * 1000); i += 400) {
1052                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1053                 msleep_interruptible(200);
1054                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1055                 msleep_interruptible(200);
1056         }
1057
1058         /* Restore LED settings */
1059         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1060
1061         return 0;
1062 }
1063
1064 static int ixgbe_get_coalesce(struct net_device *netdev,
1065                               struct ethtool_coalesce *ec)
1066 {
1067         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1068
1069         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
1070
1071         /* only valid if in constant ITR mode */
1072         switch (adapter->itr_setting) {
1073         case 0:
1074                 /* throttling disabled */
1075                 ec->rx_coalesce_usecs = 0;
1076                 break;
1077         case 1:
1078                 /* dynamic ITR mode */
1079                 ec->rx_coalesce_usecs = 1;
1080                 break;
1081         default:
1082                 /* fixed interrupt rate mode */
1083                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
1084                 break;
1085         }
1086         return 0;
1087 }
1088
1089 static int ixgbe_set_coalesce(struct net_device *netdev,
1090                               struct ethtool_coalesce *ec)
1091 {
1092         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1093         int i;
1094
1095         if (ec->tx_max_coalesced_frames_irq)
1096                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1097
1098         if (ec->rx_coalesce_usecs > 1) {
1099                 /* check the limits */
1100                 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1101                     (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1102                         return -EINVAL;
1103
1104                 /* store the value in ints/second */
1105                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
1106
1107                 /* static value of interrupt rate */
1108                 adapter->itr_setting = adapter->eitr_param;
1109                 /* clear the lower bit as its used for dynamic state */
1110                 adapter->itr_setting &= ~1;
1111         } else if (ec->rx_coalesce_usecs == 1) {
1112                 /* 1 means dynamic mode */
1113                 adapter->eitr_param = 20000;
1114                 adapter->itr_setting = 1;
1115         } else {
1116                 /*
1117                  * any other value means disable eitr, which is best
1118                  * served by setting the interrupt rate very high
1119                  */
1120                 adapter->eitr_param = IXGBE_MAX_INT_RATE;
1121                 adapter->itr_setting = 0;
1122         }
1123
1124         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1125                 struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
1126                 if (q_vector->txr_count && !q_vector->rxr_count)
1127                         /* tx vector gets half the rate */
1128                         q_vector->eitr = (adapter->eitr_param >> 1);
1129                 else
1130                         /* rx only or mixed */
1131                         q_vector->eitr = adapter->eitr_param;
1132                 ixgbe_write_eitr(adapter, i,
1133                                  EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1134         }
1135
1136         return 0;
1137 }
1138
1139 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
1140 {
1141         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1142
1143         ethtool_op_set_flags(netdev, data);
1144
1145         if (!(adapter->flags & IXGBE_FLAG_RSC_CAPABLE))
1146                 return 0;
1147
1148         /* if state changes we need to update adapter->flags and reset */
1149         if ((!!(data & ETH_FLAG_LRO)) !=
1150             (!!(adapter->flags & IXGBE_FLAG_RSC_ENABLED))) {
1151                 adapter->flags ^= IXGBE_FLAG_RSC_ENABLED;
1152                 if (netif_running(netdev))
1153                         ixgbe_reinit_locked(adapter);
1154                 else
1155                         ixgbe_reset(adapter);
1156         }
1157         return 0;
1158
1159 }
1160
1161 static const struct ethtool_ops ixgbe_ethtool_ops = {
1162         .get_settings           = ixgbe_get_settings,
1163         .set_settings           = ixgbe_set_settings,
1164         .get_drvinfo            = ixgbe_get_drvinfo,
1165         .get_regs_len           = ixgbe_get_regs_len,
1166         .get_regs               = ixgbe_get_regs,
1167         .get_wol                = ixgbe_get_wol,
1168         .set_wol                = ixgbe_set_wol,
1169         .nway_reset             = ixgbe_nway_reset,
1170         .get_link               = ethtool_op_get_link,
1171         .get_eeprom_len         = ixgbe_get_eeprom_len,
1172         .get_eeprom             = ixgbe_get_eeprom,
1173         .get_ringparam          = ixgbe_get_ringparam,
1174         .set_ringparam          = ixgbe_set_ringparam,
1175         .get_pauseparam         = ixgbe_get_pauseparam,
1176         .set_pauseparam         = ixgbe_set_pauseparam,
1177         .get_rx_csum            = ixgbe_get_rx_csum,
1178         .set_rx_csum            = ixgbe_set_rx_csum,
1179         .get_tx_csum            = ixgbe_get_tx_csum,
1180         .set_tx_csum            = ixgbe_set_tx_csum,
1181         .get_sg                 = ethtool_op_get_sg,
1182         .set_sg                 = ethtool_op_set_sg,
1183         .get_msglevel           = ixgbe_get_msglevel,
1184         .set_msglevel           = ixgbe_set_msglevel,
1185         .get_tso                = ethtool_op_get_tso,
1186         .set_tso                = ixgbe_set_tso,
1187         .get_strings            = ixgbe_get_strings,
1188         .phys_id                = ixgbe_phys_id,
1189         .get_sset_count         = ixgbe_get_sset_count,
1190         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1191         .get_coalesce           = ixgbe_get_coalesce,
1192         .set_coalesce           = ixgbe_set_coalesce,
1193         .get_flags              = ethtool_op_get_flags,
1194         .set_flags              = ixgbe_set_flags,
1195 };
1196
1197 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1198 {
1199         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1200 }