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 - 2008 Intel Corporation.
   5
   6   This program is free software; you can redistribute it and/or modify it
   7   under the terms and conditions of the GNU General Public License,
   8   version 2, as published by the Free Software Foundation.
   9
  10   This program is distributed in the hope it will be useful, but WITHOUT
  11   ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  12   FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License for
  13   more details.
  14
  15   You should have received a copy of the GNU General Public License along with
  16   this program; if not, write to the Free Software Foundation, Inc.,
  17   51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
  18
  19   The full GNU General Public License is included in this distribution in
  20   the file called "COPYING".
  21
  22   Contact Information:
  23   e1000-devel Mailing List <e1000-devel@lists.sourceforge.net>
  24   Intel Corporation, 5200 N.E. Elam Young Parkway, Hillsboro, OR 97124-6497
  25
  26 *******************************************************************************/
  27
  28 /* ethtool support for ixgbe */
  29
  30 #include <linux/types.h>
  31 #include <linux/module.h>
  32 #include <linux/pci.h>
  33 #include <linux/netdevice.h>
  34 #include <linux/ethtool.h>
  35 #include <linux/vmalloc.h>
  36 #include <linux/uaccess.h>
  37
  38 #include "ixgbe.h"
  39
  40
  41 #define IXGBE_ALL_RAR_ENTRIES 16
  42
  43 struct ixgbe_stats {
  44         char stat_string[ETH_GSTRING_LEN];
  45         int sizeof_stat;
  46         int stat_offset;
  47 };
  48
  49 #define IXGBE_STAT(m) sizeof(((struct ixgbe_adapter *)0)->m), \
  50                              offsetof(struct ixgbe_adapter, m)
  51 static struct ixgbe_stats ixgbe_gstrings_stats[] = {
  52         {"rx_packets", IXGBE_STAT(net_stats.rx_packets)},
  53         {"tx_packets", IXGBE_STAT(net_stats.tx_packets)},
  54         {"rx_bytes", IXGBE_STAT(net_stats.rx_bytes)},
  55         {"tx_bytes", IXGBE_STAT(net_stats.tx_bytes)},
  56         {"lsc_int", IXGBE_STAT(lsc_int)},
  57         {"tx_busy", IXGBE_STAT(tx_busy)},
  58         {"non_eop_descs", IXGBE_STAT(non_eop_descs)},
  59         {"rx_errors", IXGBE_STAT(net_stats.rx_errors)},
  60         {"tx_errors", IXGBE_STAT(net_stats.tx_errors)},
  61         {"rx_dropped", IXGBE_STAT(net_stats.rx_dropped)},
  62         {"tx_dropped", IXGBE_STAT(net_stats.tx_dropped)},
  63         {"multicast", IXGBE_STAT(net_stats.multicast)},
  64         {"broadcast", IXGBE_STAT(stats.bprc)},
  65         {"rx_no_buffer_count", IXGBE_STAT(stats.rnbc[0]) },
  66         {"collisions", IXGBE_STAT(net_stats.collisions)},
  67         {"rx_over_errors", IXGBE_STAT(net_stats.rx_over_errors)},
  68         {"rx_crc_errors", IXGBE_STAT(net_stats.rx_crc_errors)},
  69         {"rx_frame_errors", IXGBE_STAT(net_stats.rx_frame_errors)},
  70         {"rx_fifo_errors", IXGBE_STAT(net_stats.rx_fifo_errors)},
  71         {"rx_missed_errors", IXGBE_STAT(net_stats.rx_missed_errors)},
  72         {"tx_aborted_errors", IXGBE_STAT(net_stats.tx_aborted_errors)},
  73         {"tx_carrier_errors", IXGBE_STAT(net_stats.tx_carrier_errors)},
  74         {"tx_fifo_errors", IXGBE_STAT(net_stats.tx_fifo_errors)},
  75         {"tx_heartbeat_errors", IXGBE_STAT(net_stats.tx_heartbeat_errors)},
  76         {"tx_timeout_count", IXGBE_STAT(tx_timeout_count)},
  77         {"tx_restart_queue", IXGBE_STAT(restart_queue)},
  78         {"rx_long_length_errors", IXGBE_STAT(stats.roc)},
  79         {"rx_short_length_errors", IXGBE_STAT(stats.ruc)},
  80         {"tx_tcp4_seg_ctxt", IXGBE_STAT(hw_tso_ctxt)},
  81         {"tx_tcp6_seg_ctxt", IXGBE_STAT(hw_tso6_ctxt)},
  82         {"tx_flow_control_xon", IXGBE_STAT(stats.lxontxc)},
  83         {"rx_flow_control_xon", IXGBE_STAT(stats.lxonrxc)},
  84         {"tx_flow_control_xoff", IXGBE_STAT(stats.lxofftxc)},
  85         {"rx_flow_control_xoff", IXGBE_STAT(stats.lxoffrxc)},
  86         {"rx_csum_offload_good", IXGBE_STAT(hw_csum_rx_good)},
  87         {"rx_csum_offload_errors", IXGBE_STAT(hw_csum_rx_error)},
  88         {"tx_csum_offload_ctxt", IXGBE_STAT(hw_csum_tx_good)},
  89         {"rx_header_split", IXGBE_STAT(rx_hdr_split)},
  90         {"alloc_rx_page_failed", IXGBE_STAT(alloc_rx_page_failed)},
  91         {"alloc_rx_buff_failed", IXGBE_STAT(alloc_rx_buff_failed)},
  92 };
  93
  94 #define IXGBE_QUEUE_STATS_LEN \
  95         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
  96         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
  97         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
  98 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
  99 #define IXGBE_PB_STATS_LEN ( \
 100                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 101                  IXGBE_FLAG_DCB_ENABLED) ? \
 102                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 103                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 104                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 105                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 106                   / sizeof(u64) : 0)
 107 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 108                          IXGBE_PB_STATS_LEN + \
 109                          IXGBE_QUEUE_STATS_LEN)
 110
 111 static int ixgbe_get_settings(struct net_device *netdev,
 112                               struct ethtool_cmd *ecmd)
 113 {
 114         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 115         struct ixgbe_hw *hw = &adapter->hw;
 116         u32 link_speed = 0;
 117         bool link_up;
 118
 119         ecmd->supported = SUPPORTED_10000baseT_Full;
 120         ecmd->autoneg = AUTONEG_ENABLE;
 121         ecmd->transceiver = XCVR_EXTERNAL;
 122         if (hw->phy.media_type == ixgbe_media_type_copper) {
 123                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 124                                     SUPPORTED_TP | SUPPORTED_Autoneg);
 125
 126                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
 127                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 128                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 129                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
 130                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 131
 132                 ecmd->port = PORT_TP;
 133         } else {
 134                 ecmd->supported |= SUPPORTED_FIBRE;
 135                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 136                                      ADVERTISED_FIBRE);
 137                 ecmd->port = PORT_FIBRE;
 138                 ecmd->autoneg = AUTONEG_DISABLE;
 139         }
 140
 141         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 142         if (link_up) {
 143                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
 144                                SPEED_10000 : SPEED_1000;
 145                 ecmd->duplex = DUPLEX_FULL;
 146         } else {
 147                 ecmd->speed = -1;
 148                 ecmd->duplex = -1;
 149         }
 150
 151         return 0;
 152 }
 153
 154 static int ixgbe_set_settings(struct net_device *netdev,
 155                               struct ethtool_cmd *ecmd)
 156 {
 157         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 158         struct ixgbe_hw *hw = &adapter->hw;
 159         u32 advertised, old;
 160         s32 err;
 161
 162         switch (hw->phy.media_type) {
 163         case ixgbe_media_type_fiber:
 164                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 165                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 166                         return -EINVAL;
 167                 /* in this case we currently only support 10Gb/FULL */
 168                 break;
 169         case ixgbe_media_type_copper:
 170                 /* 10000/copper and 1000/copper must autoneg
 171                  * this function does not support any duplex forcing, but can
 172                  * limit the advertising of the adapter to only 10000 or 1000 */
 173                 if (ecmd->autoneg == AUTONEG_DISABLE)
 174                         return -EINVAL;
 175
 176                 old = hw->phy.autoneg_advertised;
 177                 advertised = 0;
 178                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 179                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 180
 181                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 182                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 183
 184                 if (old == advertised)
 185                         break;
 186                 /* this sets the link speed and restarts auto-neg */
 187                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
 188                 if (err) {
 189                         DPRINTK(PROBE, INFO,
 190                                 "setup link failed with code %d\n", err);
 191                         hw->mac.ops.setup_link_speed(hw, old, true, true);
 192                 }
 193                 break;
 194         default:
 195                 break;
 196         }
 197
 198         return 0;
 199 }
 200
 201 static void ixgbe_get_pauseparam(struct net_device *netdev,
 202                                  struct ethtool_pauseparam *pause)
 203 {
 204         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 205         struct ixgbe_hw *hw = &adapter->hw;
 206
 207         pause->autoneg = (hw->fc.type == ixgbe_fc_full ? 1 : 0);
 208
 209         if (hw->fc.type == ixgbe_fc_rx_pause) {
 210                 pause->rx_pause = 1;
 211         } else if (hw->fc.type == ixgbe_fc_tx_pause) {
 212                 pause->tx_pause = 1;
 213         } else if (hw->fc.type == ixgbe_fc_full) {
 214                 pause->rx_pause = 1;
 215                 pause->tx_pause = 1;
 216         }
 217 }
 218
 219 static int ixgbe_set_pauseparam(struct net_device *netdev,
 220                                 struct ethtool_pauseparam *pause)
 221 {
 222         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 223         struct ixgbe_hw *hw = &adapter->hw;
 224
 225         if ((pause->autoneg == AUTONEG_ENABLE) ||
 226             (pause->rx_pause && pause->tx_pause))
 227                 hw->fc.type = ixgbe_fc_full;
 228         else if (pause->rx_pause && !pause->tx_pause)
 229                 hw->fc.type = ixgbe_fc_rx_pause;
 230         else if (!pause->rx_pause && pause->tx_pause)
 231                 hw->fc.type = ixgbe_fc_tx_pause;
 232         else if (!pause->rx_pause && !pause->tx_pause)
 233                 hw->fc.type = ixgbe_fc_none;
 234         else
 235                 return -EINVAL;
 236
 237         hw->fc.original_type = hw->fc.type;
 238
 239         if (netif_running(netdev))
 240                 ixgbe_reinit_locked(adapter);
 241         else
 242                 ixgbe_reset(adapter);
 243
 244         return 0;
 245 }
 246
 247 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 248 {
 249         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 250         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
 251 }
 252
 253 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 254 {
 255         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 256         if (data)
 257                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 258         else
 259                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 260
 261         if (netif_running(netdev))
 262                 ixgbe_reinit_locked(adapter);
 263         else
 264                 ixgbe_reset(adapter);
 265
 266         return 0;
 267 }
 268
 269 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 270 {
 271         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 272 }
 273
 274 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 275 {
 276         if (data)
 277                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 278         else
 279                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 280
 281         return 0;
 282 }
 283
 284 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 285 {
 286         if (data) {
 287                 netdev->features |= NETIF_F_TSO;
 288                 netdev->features |= NETIF_F_TSO6;
 289         } else {
 290                 netif_tx_stop_all_queues(netdev);
 291                 netdev->features &= ~NETIF_F_TSO;
 292                 netdev->features &= ~NETIF_F_TSO6;
 293                 netif_tx_start_all_queues(netdev);
 294         }
 295         return 0;
 296 }
 297
 298 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 299 {
 300         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 301         return adapter->msg_enable;
 302 }
 303
 304 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 305 {
 306         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 307         adapter->msg_enable = data;
 308 }
 309
 310 static int ixgbe_get_regs_len(struct net_device *netdev)
 311 {
 312 #define IXGBE_REGS_LEN  1128
 313         return IXGBE_REGS_LEN * sizeof(u32);
 314 }
 315
 316 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 317
 318 static void ixgbe_get_regs(struct net_device *netdev,
 319                            struct ethtool_regs *regs, void *p)
 320 {
 321         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 322         struct ixgbe_hw *hw = &adapter->hw;
 323         u32 *regs_buff = p;
 324         u8 i;
 325
 326         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 327
 328         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 329
 330         /* General Registers */
 331         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 332         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 333         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 334         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 335         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 336         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 337         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 338         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 339
 340         /* NVM Register */
 341         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 342         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 343         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 344         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 345         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 346         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 347         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 348         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 349         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 350         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 351
 352         /* Interrupt */
 353         /* don't read EICR because it can clear interrupt causes, instead
 354          * read EICS which is a shadow but doesn't clear EICR */
 355         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 356         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 357         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 358         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 359         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 360         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 361         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 362         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 363         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 364         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 365         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 366         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 367
 368         /* Flow Control */
 369         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 370         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 371         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 372         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 373         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 374         for (i = 0; i < 8; i++)
 375                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 376         for (i = 0; i < 8; i++)
 377                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 378         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 379         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 380
 381         /* Receive DMA */
 382         for (i = 0; i < 64; i++)
 383                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 384         for (i = 0; i < 64; i++)
 385                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 386         for (i = 0; i < 64; i++)
 387                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 388         for (i = 0; i < 64; i++)
 389                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 390         for (i = 0; i < 64; i++)
 391                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 392         for (i = 0; i < 64; i++)
 393                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 394         for (i = 0; i < 16; i++)
 395                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 396         for (i = 0; i < 16; i++)
 397                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 398         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 399         for (i = 0; i < 8; i++)
 400                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 401         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 402         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 403
 404         /* Receive */
 405         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 406         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 407         for (i = 0; i < 16; i++)
 408                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 409         for (i = 0; i < 16; i++)
 410                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 411         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 412         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 413         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 414         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 415         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 416         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 417         for (i = 0; i < 8; i++)
 418                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 419         for (i = 0; i < 8; i++)
 420                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 421         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 422
 423         /* Transmit */
 424         for (i = 0; i < 32; i++)
 425                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 426         for (i = 0; i < 32; i++)
 427                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 428         for (i = 0; i < 32; i++)
 429                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 430         for (i = 0; i < 32; i++)
 431                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 432         for (i = 0; i < 32; i++)
 433                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 434         for (i = 0; i < 32; i++)
 435                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 436         for (i = 0; i < 32; i++)
 437                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 438         for (i = 0; i < 32; i++)
 439                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 440         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 441         for (i = 0; i < 16; i++)
 442                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 443         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 444         for (i = 0; i < 8; i++)
 445                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 446         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 447
 448         /* Wake Up */
 449         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 450         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 451         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 452         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 453         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 454         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 455         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 456         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 457         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT);
 458
 459         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 460         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 461         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 462         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 463         for (i = 0; i < 8; i++)
 464                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 465         for (i = 0; i < 8; i++)
 466                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 467         for (i = 0; i < 8; i++)
 468                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 469         for (i = 0; i < 8; i++)
 470                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 471         for (i = 0; i < 8; i++)
 472                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 473         for (i = 0; i < 8; i++)
 474                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 475
 476         /* Statistics */
 477         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 478         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 479         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 480         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 481         for (i = 0; i < 8; i++)
 482                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 483         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 484         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 485         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 486         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 487         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 488         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 489         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 490         for (i = 0; i < 8; i++)
 491                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 492         for (i = 0; i < 8; i++)
 493                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 494         for (i = 0; i < 8; i++)
 495                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 496         for (i = 0; i < 8; i++)
 497                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 498         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 499         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 500         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 501         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 502         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 503         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 504         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 505         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 506         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 507         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 508         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 509         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 510         for (i = 0; i < 8; i++)
 511                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 512         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 513         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 514         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 515         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 516         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 517         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 518         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 519         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 520         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 521         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 522         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 523         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 524         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 525         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 526         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 527         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 528         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 529         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 530         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 531         for (i = 0; i < 16; i++)
 532                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 533         for (i = 0; i < 16; i++)
 534                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 535         for (i = 0; i < 16; i++)
 536                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 537         for (i = 0; i < 16; i++)
 538                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 539
 540         /* MAC */
 541         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 542         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 543         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 544         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 545         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 546         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 547         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 548         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 549         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 550         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 551         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 552         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 553         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 554         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 555         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 556         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 557         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 558         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 559         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 560         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 561         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 562         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 563         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 564         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 565         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 566         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 567         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 568         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 569         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 570         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 571         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 572         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 573         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 574
 575         /* Diagnostic */
 576         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 577         for (i = 0; i < 8; i++)
 578                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 579         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 580         for (i = 0; i < 4; i++)
 581                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 582         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 583         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 584         for (i = 0; i < 8; i++)
 585                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 586         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 587         for (i = 0; i < 4; i++)
 588                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 589         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 590         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 591         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 592         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 593         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 594         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 595         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 596         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 597         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 598         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 599         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 600         for (i = 0; i < 8; i++)
 601                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 602         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 603         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 604         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 605         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 606         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 607         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 608         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 609         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 610         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 611 }
 612
 613 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 614 {
 615         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 616         return adapter->hw.eeprom.word_size * 2;
 617 }
 618
 619 static int ixgbe_get_eeprom(struct net_device *netdev,
 620                             struct ethtool_eeprom *eeprom, u8 *bytes)
 621 {
 622         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 623         struct ixgbe_hw *hw = &adapter->hw;
 624         u16 *eeprom_buff;
 625         int first_word, last_word, eeprom_len;
 626         int ret_val = 0;
 627         u16 i;
 628
 629         if (eeprom->len == 0)
 630                 return -EINVAL;
 631
 632         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 633
 634         first_word = eeprom->offset >> 1;
 635         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 636         eeprom_len = last_word - first_word + 1;
 637
 638         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 639         if (!eeprom_buff)
 640                 return -ENOMEM;
 641
 642         for (i = 0; i < eeprom_len; i++) {
 643                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 644                     &eeprom_buff[i])))
 645                         break;
 646         }
 647
 648         /* Device's eeprom is always little-endian, word addressable */
 649         for (i = 0; i < eeprom_len; i++)
 650                 le16_to_cpus(&eeprom_buff[i]);
 651
 652         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 653         kfree(eeprom_buff);
 654
 655         return ret_val;
 656 }
 657
 658 static void ixgbe_get_drvinfo(struct net_device *netdev,
 659                               struct ethtool_drvinfo *drvinfo)
 660 {
 661         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 662
 663         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
 664         strncpy(drvinfo->version, ixgbe_driver_version, 32);
 665         strncpy(drvinfo->fw_version, "N/A", 32);
 666         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 667         drvinfo->n_stats = IXGBE_STATS_LEN;
 668         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 669 }
 670
 671 static void ixgbe_get_ringparam(struct net_device *netdev,
 672                                 struct ethtool_ringparam *ring)
 673 {
 674         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 675         struct ixgbe_ring *tx_ring = adapter->tx_ring;
 676         struct ixgbe_ring *rx_ring = adapter->rx_ring;
 677
 678         ring->rx_max_pending = IXGBE_MAX_RXD;
 679         ring->tx_max_pending = IXGBE_MAX_TXD;
 680         ring->rx_mini_max_pending = 0;
 681         ring->rx_jumbo_max_pending = 0;
 682         ring->rx_pending = rx_ring->count;
 683         ring->tx_pending = tx_ring->count;
 684         ring->rx_mini_pending = 0;
 685         ring->rx_jumbo_pending = 0;
 686 }
 687
 688 static int ixgbe_set_ringparam(struct net_device *netdev,
 689                                struct ethtool_ringparam *ring)
 690 {
 691         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 692         struct ixgbe_ring *temp_ring;
 693         int i, err;
 694         u32 new_rx_count, new_tx_count;
 695
 696         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 697                 return -EINVAL;
 698
 699         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 700         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 701         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 702
 703         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 704         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 705         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 706
 707         if ((new_tx_count == adapter->tx_ring->count) &&
 708             (new_rx_count == adapter->rx_ring->count)) {
 709                 /* nothing to do */
 710                 return 0;
 711         }
 712
 713         temp_ring = kcalloc(adapter->num_tx_queues,
 714                             sizeof(struct ixgbe_ring), GFP_KERNEL);
 715         if (!temp_ring)
 716                 return -ENOMEM;
 717
 718         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 719                 msleep(1);
 720
 721         if (new_tx_count != adapter->tx_ring->count) {
 722                 for (i = 0; i < adapter->num_tx_queues; i++) {
 723                         temp_ring[i].count = new_tx_count;
 724                         err = ixgbe_setup_tx_resources(adapter, &temp_ring[i]);
 725                         if (err) {
 726                                 while (i) {
 727                                         i--;
 728                                         ixgbe_free_tx_resources(adapter,
 729                                                                 &temp_ring[i]);
 730                                 }
 731                                 goto err_setup;
 732                         }
 733                         temp_ring[i].v_idx = adapter->tx_ring[i].v_idx;
 734                 }
 735                 if (netif_running(netdev))
 736                         netdev->netdev_ops->ndo_stop(netdev);
 737                 ixgbe_reset_interrupt_capability(adapter);
 738                 ixgbe_napi_del_all(adapter);
 739                 INIT_LIST_HEAD(&netdev->napi_list);
 740                 kfree(adapter->tx_ring);
 741                 adapter->tx_ring = temp_ring;
 742                 temp_ring = NULL;
 743                 adapter->tx_ring_count = new_tx_count;
 744         }
 745
 746         temp_ring = kcalloc(adapter->num_rx_queues,
 747                             sizeof(struct ixgbe_ring), GFP_KERNEL);
 748         if (!temp_ring) {
 749                 if (netif_running(netdev))
 750                         netdev->netdev_ops->ndo_open(netdev);
 751                 return -ENOMEM;
 752         }
 753
 754         if (new_rx_count != adapter->rx_ring->count) {
 755                 for (i = 0; i < adapter->num_rx_queues; i++) {
 756                         temp_ring[i].count = new_rx_count;
 757                         err = ixgbe_setup_rx_resources(adapter, &temp_ring[i]);
 758                         if (err) {
 759                                 while (i) {
 760                                         i--;
 761                                         ixgbe_free_rx_resources(adapter,
 762                                                                 &temp_ring[i]);
 763                                 }
 764                                 goto err_setup;
 765                         }
 766                         temp_ring[i].v_idx = adapter->rx_ring[i].v_idx;
 767                 }
 768                 if (netif_running(netdev))
 769                         netdev->netdev_ops->ndo_stop(netdev);
 770                 ixgbe_reset_interrupt_capability(adapter);
 771                 ixgbe_napi_del_all(adapter);
 772                 INIT_LIST_HEAD(&netdev->napi_list);
 773                 kfree(adapter->rx_ring);
 774                 adapter->rx_ring = temp_ring;
 775                 temp_ring = NULL;
 776
 777                 adapter->rx_ring_count = new_rx_count;
 778         }
 779
 780         /* success! */
 781         err = 0;
 782 err_setup:
 783         ixgbe_init_interrupt_scheme(adapter);
 784         if (netif_running(netdev))
 785                 netdev->netdev_ops->ndo_open(netdev);
 786
 787         clear_bit(__IXGBE_RESETTING, &adapter->state);
 788         return err;
 789 }
 790
 791 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 792 {
 793         switch (sset) {
 794         case ETH_SS_STATS:
 795                 return IXGBE_STATS_LEN;
 796         default:
 797                 return -EOPNOTSUPP;
 798         }
 799 }
 800
 801 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 802                                     struct ethtool_stats *stats, u64 *data)
 803 {
 804         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 805         u64 *queue_stat;
 806         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 807         int j, k;
 808         int i;
 809
 810         ixgbe_update_stats(adapter);
 811         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 812                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
 813                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 814                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 815         }
 816         for (j = 0; j < adapter->num_tx_queues; j++) {
 817                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
 818                 for (k = 0; k < stat_count; k++)
 819                         data[i + k] = queue_stat[k];
 820                 i += k;
 821         }
 822         for (j = 0; j < adapter->num_rx_queues; j++) {
 823                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
 824                 for (k = 0; k < stat_count; k++)
 825                         data[i + k] = queue_stat[k];
 826                 i += k;
 827         }
 828         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 829                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
 830                         data[i++] = adapter->stats.pxontxc[j];
 831                         data[i++] = adapter->stats.pxofftxc[j];
 832                 }
 833                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
 834                         data[i++] = adapter->stats.pxonrxc[j];
 835                         data[i++] = adapter->stats.pxoffrxc[j];
 836                 }
 837         }
 838 }
 839
 840 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 841                               u8 *data)
 842 {
 843         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 844         char *p = (char *)data;
 845         int i;
 846
 847         switch (stringset) {
 848         case ETH_SS_STATS:
 849                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 850                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
 851                                ETH_GSTRING_LEN);
 852                         p += ETH_GSTRING_LEN;
 853                 }
 854                 for (i = 0; i < adapter->num_tx_queues; i++) {
 855                         sprintf(p, "tx_queue_%u_packets", i);
 856                         p += ETH_GSTRING_LEN;
 857                         sprintf(p, "tx_queue_%u_bytes", i);
 858                         p += ETH_GSTRING_LEN;
 859                 }
 860                 for (i = 0; i < adapter->num_rx_queues; i++) {
 861                         sprintf(p, "rx_queue_%u_packets", i);
 862                         p += ETH_GSTRING_LEN;
 863                         sprintf(p, "rx_queue_%u_bytes", i);
 864                         p += ETH_GSTRING_LEN;
 865                 }
 866                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 867                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
 868                                 sprintf(p, "tx_pb_%u_pxon", i);
 869                                 p += ETH_GSTRING_LEN;
 870                                 sprintf(p, "tx_pb_%u_pxoff", i);
 871                                 p += ETH_GSTRING_LEN;
 872                         }
 873                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
 874                                 sprintf(p, "rx_pb_%u_pxon", i);
 875                                 p += ETH_GSTRING_LEN;
 876                                 sprintf(p, "rx_pb_%u_pxoff", i);
 877                                 p += ETH_GSTRING_LEN;
 878                         }
 879                 }
 880                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
 881                 break;
 882         }
 883 }
 884
 885
 886 static void ixgbe_get_wol(struct net_device *netdev,
 887                           struct ethtool_wolinfo *wol)
 888 {
 889         wol->supported = 0;
 890         wol->wolopts = 0;
 891
 892         return;
 893 }
 894
 895 static int ixgbe_nway_reset(struct net_device *netdev)
 896 {
 897         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 898
 899         if (netif_running(netdev))
 900                 ixgbe_reinit_locked(adapter);
 901
 902         return 0;
 903 }
 904
 905 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
 906 {
 907         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 908         struct ixgbe_hw *hw = &adapter->hw;
 909         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 910         u32 i;
 911
 912         if (!data || data > 300)
 913                 data = 300;
 914
 915         for (i = 0; i < (data * 1000); i += 400) {
 916                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
 917                 msleep_interruptible(200);
 918                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
 919                 msleep_interruptible(200);
 920         }
 921
 922         /* Restore LED settings */
 923         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
 924
 925         return 0;
 926 }
 927
 928 static int ixgbe_get_coalesce(struct net_device *netdev,
 929                               struct ethtool_coalesce *ec)
 930 {
 931         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 932
 933         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
 934
 935         /* only valid if in constant ITR mode */
 936         switch (adapter->itr_setting) {
 937         case 0:
 938                 /* throttling disabled */
 939                 ec->rx_coalesce_usecs = 0;
 940                 break;
 941         case 1:
 942                 /* dynamic ITR mode */
 943                 ec->rx_coalesce_usecs = 1;
 944                 break;
 945         default:
 946                 /* fixed interrupt rate mode */
 947                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
 948                 break;
 949         }
 950         return 0;
 951 }
 952
 953 static int ixgbe_set_coalesce(struct net_device *netdev,
 954                               struct ethtool_coalesce *ec)
 955 {
 956         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 957         struct ixgbe_hw *hw = &adapter->hw;
 958         int i;
 959
 960         if (ec->tx_max_coalesced_frames_irq)
 961                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
 962
 963         if (ec->rx_coalesce_usecs > 1) {
 964                 /* store the value in ints/second */
 965                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
 966
 967                 /* static value of interrupt rate */
 968                 adapter->itr_setting = adapter->eitr_param;
 969                 /* clear the lower bit */
 970                 adapter->itr_setting &= ~1;
 971         } else if (ec->rx_coalesce_usecs == 1) {
 972                 /* 1 means dynamic mode */
 973                 adapter->eitr_param = 20000;
 974                 adapter->itr_setting = 1;
 975         } else {
 976                 /* any other value means disable eitr, which is best
 977                  * served by setting the interrupt rate very high */
 978                 adapter->eitr_param = 3000000;
 979                 adapter->itr_setting = 0;
 980         }
 981
 982         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
 983                 struct ixgbe_q_vector *q_vector = &adapter->q_vector[i];
 984                 if (q_vector->txr_count && !q_vector->rxr_count)
 985                         q_vector->eitr = (adapter->eitr_param >> 1);
 986                 else
 987                         /* rx only or mixed */
 988                         q_vector->eitr = adapter->eitr_param;
 989                 IXGBE_WRITE_REG(hw, IXGBE_EITR(i),
 990                                 EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
 991         }
 992
 993         return 0;
 994 }
 995
 996
 997 static const struct ethtool_ops ixgbe_ethtool_ops = {
 998         .get_settings           = ixgbe_get_settings,
 999         .set_settings           = ixgbe_set_settings,
1000         .get_drvinfo            = ixgbe_get_drvinfo,
1001         .get_regs_len           = ixgbe_get_regs_len,
1002         .get_regs               = ixgbe_get_regs,
1003         .get_wol                = ixgbe_get_wol,
1004         .nway_reset             = ixgbe_nway_reset,
1005         .get_link               = ethtool_op_get_link,
1006         .get_eeprom_len         = ixgbe_get_eeprom_len,
1007         .get_eeprom             = ixgbe_get_eeprom,
1008         .get_ringparam          = ixgbe_get_ringparam,
1009         .set_ringparam          = ixgbe_set_ringparam,
1010         .get_pauseparam         = ixgbe_get_pauseparam,
1011         .set_pauseparam         = ixgbe_set_pauseparam,
1012         .get_rx_csum            = ixgbe_get_rx_csum,
1013         .set_rx_csum            = ixgbe_set_rx_csum,
1014         .get_tx_csum            = ixgbe_get_tx_csum,
1015         .set_tx_csum            = ixgbe_set_tx_csum,
1016         .get_sg                 = ethtool_op_get_sg,
1017         .set_sg                 = ethtool_op_set_sg,
1018         .get_msglevel           = ixgbe_get_msglevel,
1019         .set_msglevel           = ixgbe_set_msglevel,
1020         .get_tso                = ethtool_op_get_tso,
1021         .set_tso                = ixgbe_set_tso,
1022         .get_strings            = ixgbe_get_strings,
1023         .phys_id                = ixgbe_phys_id,
1024         .get_sset_count         = ixgbe_get_sset_count,
1025         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1026         .get_coalesce           = ixgbe_get_coalesce,
1027         .set_coalesce           = ixgbe_set_coalesce,
1028         .get_flags              = ethtool_op_get_flags,
1029         .set_flags              = ethtool_op_set_flags,
1030 };
1031
1032 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1033 {
1034         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1035 }