SAFE public projects git trees. - safe/jmp/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 #ifdef CONFIG_DCB
 274         if (adapter->dcb_cfg.pfc_mode_enable ||
 275                 ((hw->mac.type == ixgbe_mac_82598EB) &&
 276                 (adapter->flags & IXGBE_FLAG_DCB_ENABLED)))
 277                 return -EINVAL;
 278
 279 #endif
 280         if (pause->autoneg != AUTONEG_ENABLE)
 281                 hw->fc.disable_fc_autoneg = true;
 282         else
 283                 hw->fc.disable_fc_autoneg = false;
 284
 285         if (pause->rx_pause && pause->tx_pause)
 286                 hw->fc.requested_mode = ixgbe_fc_full;
 287         else if (pause->rx_pause && !pause->tx_pause)
 288                 hw->fc.requested_mode = ixgbe_fc_rx_pause;
 289         else if (!pause->rx_pause && pause->tx_pause)
 290                 hw->fc.requested_mode = ixgbe_fc_tx_pause;
 291         else if (!pause->rx_pause && !pause->tx_pause)
 292                 hw->fc.requested_mode = ixgbe_fc_none;
 293         else
 294                 return -EINVAL;
 295
 296 #ifdef CONFIG_DCB
 297         adapter->last_lfc_mode = hw->fc.requested_mode;
 298 #endif
 299         hw->mac.ops.setup_fc(hw, 0);
 300
 301         return 0;
 302 }
 303
 304 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 305 {
 306         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 307         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
 308 }
 309
 310 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 311 {
 312         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 313         if (data)
 314                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 315         else
 316                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 317
 318         if (netif_running(netdev))
 319                 ixgbe_reinit_locked(adapter);
 320         else
 321                 ixgbe_reset(adapter);
 322
 323         return 0;
 324 }
 325
 326 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 327 {
 328         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 329 }
 330
 331 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 332 {
 333         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 334
 335         if (data) {
 336                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 337                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 338                         netdev->features |= NETIF_F_SCTP_CSUM;
 339         } else {
 340                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 341                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 342                         netdev->features &= ~NETIF_F_SCTP_CSUM;
 343         }
 344
 345         return 0;
 346 }
 347
 348 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 349 {
 350         if (data) {
 351                 netdev->features |= NETIF_F_TSO;
 352                 netdev->features |= NETIF_F_TSO6;
 353         } else {
 354                 netif_tx_stop_all_queues(netdev);
 355                 netdev->features &= ~NETIF_F_TSO;
 356                 netdev->features &= ~NETIF_F_TSO6;
 357                 netif_tx_start_all_queues(netdev);
 358         }
 359         return 0;
 360 }
 361
 362 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 363 {
 364         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 365         return adapter->msg_enable;
 366 }
 367
 368 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 369 {
 370         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 371         adapter->msg_enable = data;
 372 }
 373
 374 static int ixgbe_get_regs_len(struct net_device *netdev)
 375 {
 376 #define IXGBE_REGS_LEN  1128
 377         return IXGBE_REGS_LEN * sizeof(u32);
 378 }
 379
 380 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 381
 382 static void ixgbe_get_regs(struct net_device *netdev,
 383                            struct ethtool_regs *regs, void *p)
 384 {
 385         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 386         struct ixgbe_hw *hw = &adapter->hw;
 387         u32 *regs_buff = p;
 388         u8 i;
 389
 390         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 391
 392         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 393
 394         /* General Registers */
 395         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 396         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 397         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 398         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 399         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 400         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 401         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 402         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 403
 404         /* NVM Register */
 405         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 406         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 407         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 408         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 409         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 410         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 411         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 412         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 413         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 414         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 415
 416         /* Interrupt */
 417         /* don't read EICR because it can clear interrupt causes, instead
 418          * read EICS which is a shadow but doesn't clear EICR */
 419         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 420         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 421         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 422         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 423         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 424         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 425         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 426         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 427         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 428         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 429         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 430         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 431
 432         /* Flow Control */
 433         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 434         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 435         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 436         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 437         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 438         for (i = 0; i < 8; i++)
 439                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 440         for (i = 0; i < 8; i++)
 441                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 442         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 443         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 444
 445         /* Receive DMA */
 446         for (i = 0; i < 64; i++)
 447                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 448         for (i = 0; i < 64; i++)
 449                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 450         for (i = 0; i < 64; i++)
 451                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 452         for (i = 0; i < 64; i++)
 453                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 454         for (i = 0; i < 64; i++)
 455                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 456         for (i = 0; i < 64; i++)
 457                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 458         for (i = 0; i < 16; i++)
 459                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 460         for (i = 0; i < 16; i++)
 461                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 462         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 463         for (i = 0; i < 8; i++)
 464                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 465         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 466         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 467
 468         /* Receive */
 469         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 470         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 471         for (i = 0; i < 16; i++)
 472                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 473         for (i = 0; i < 16; i++)
 474                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 475         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 476         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 477         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 478         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 479         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 480         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 481         for (i = 0; i < 8; i++)
 482                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 483         for (i = 0; i < 8; i++)
 484                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 485         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 486
 487         /* Transmit */
 488         for (i = 0; i < 32; i++)
 489                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 490         for (i = 0; i < 32; i++)
 491                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 492         for (i = 0; i < 32; i++)
 493                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 494         for (i = 0; i < 32; i++)
 495                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 496         for (i = 0; i < 32; i++)
 497                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 498         for (i = 0; i < 32; i++)
 499                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 500         for (i = 0; i < 32; i++)
 501                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 502         for (i = 0; i < 32; i++)
 503                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 504         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 505         for (i = 0; i < 16; i++)
 506                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 507         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 508         for (i = 0; i < 8; i++)
 509                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 510         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 511
 512         /* Wake Up */
 513         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 514         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 515         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 516         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 517         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 518         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 519         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 520         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 521         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 522
 523         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 524         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 525         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 526         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 527         for (i = 0; i < 8; i++)
 528                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 529         for (i = 0; i < 8; i++)
 530                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 531         for (i = 0; i < 8; i++)
 532                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 533         for (i = 0; i < 8; i++)
 534                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 535         for (i = 0; i < 8; i++)
 536                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 537         for (i = 0; i < 8; i++)
 538                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 539
 540         /* Statistics */
 541         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 542         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 543         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 544         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 545         for (i = 0; i < 8; i++)
 546                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 547         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 548         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 549         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 550         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 551         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 552         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 553         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 554         for (i = 0; i < 8; i++)
 555                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 556         for (i = 0; i < 8; i++)
 557                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 558         for (i = 0; i < 8; i++)
 559                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 560         for (i = 0; i < 8; i++)
 561                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 562         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 563         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 564         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 565         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 566         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 567         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 568         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 569         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 570         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 571         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 572         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 573         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 574         for (i = 0; i < 8; i++)
 575                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 576         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 577         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 578         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 579         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 580         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 581         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 582         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 583         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 584         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 585         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 586         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 587         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 588         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 589         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 590         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 591         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 592         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 593         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 594         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 595         for (i = 0; i < 16; i++)
 596                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 597         for (i = 0; i < 16; i++)
 598                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 599         for (i = 0; i < 16; i++)
 600                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 601         for (i = 0; i < 16; i++)
 602                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 603
 604         /* MAC */
 605         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 606         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 607         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 608         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 609         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 610         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 611         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 612         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 613         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 614         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 615         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 616         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 617         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 618         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 619         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 620         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 621         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 622         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 623         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 624         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 625         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 626         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 627         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 628         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 629         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 630         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 631         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 632         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 633         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 634         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 635         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 636         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 637         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 638
 639         /* Diagnostic */
 640         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 641         for (i = 0; i < 8; i++)
 642                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 643         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 644         for (i = 0; i < 4; i++)
 645                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 646         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 647         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 648         for (i = 0; i < 8; i++)
 649                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 650         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 651         for (i = 0; i < 4; i++)
 652                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 653         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 654         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 655         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 656         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 657         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 658         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 659         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 660         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 661         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 662         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 663         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 664         for (i = 0; i < 8; i++)
 665                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 666         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 667         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 668         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 669         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 670         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 671         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 672         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 673         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 674         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 675 }
 676
 677 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 678 {
 679         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 680         return adapter->hw.eeprom.word_size * 2;
 681 }
 682
 683 static int ixgbe_get_eeprom(struct net_device *netdev,
 684                             struct ethtool_eeprom *eeprom, u8 *bytes)
 685 {
 686         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 687         struct ixgbe_hw *hw = &adapter->hw;
 688         u16 *eeprom_buff;
 689         int first_word, last_word, eeprom_len;
 690         int ret_val = 0;
 691         u16 i;
 692
 693         if (eeprom->len == 0)
 694                 return -EINVAL;
 695
 696         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 697
 698         first_word = eeprom->offset >> 1;
 699         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 700         eeprom_len = last_word - first_word + 1;
 701
 702         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 703         if (!eeprom_buff)
 704                 return -ENOMEM;
 705
 706         for (i = 0; i < eeprom_len; i++) {
 707                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 708                     &eeprom_buff[i])))
 709                         break;
 710         }
 711
 712         /* Device's eeprom is always little-endian, word addressable */
 713         for (i = 0; i < eeprom_len; i++)
 714                 le16_to_cpus(&eeprom_buff[i]);
 715
 716         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 717         kfree(eeprom_buff);
 718
 719         return ret_val;
 720 }
 721
 722 static void ixgbe_get_drvinfo(struct net_device *netdev,
 723                               struct ethtool_drvinfo *drvinfo)
 724 {
 725         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 726         char firmware_version[32];
 727
 728         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
 729         strncpy(drvinfo->version, ixgbe_driver_version, 32);
 730
 731         sprintf(firmware_version, "%d.%d-%d",
 732                 (adapter->eeprom_version & 0xF000) >> 12,
 733                 (adapter->eeprom_version & 0x0FF0) >> 4,
 734                 adapter->eeprom_version & 0x000F);
 735
 736         strncpy(drvinfo->fw_version, firmware_version, 32);
 737         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 738         drvinfo->n_stats = IXGBE_STATS_LEN;
 739         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 740 }
 741
 742 static void ixgbe_get_ringparam(struct net_device *netdev,
 743                                 struct ethtool_ringparam *ring)
 744 {
 745         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 746         struct ixgbe_ring *tx_ring = adapter->tx_ring;
 747         struct ixgbe_ring *rx_ring = adapter->rx_ring;
 748
 749         ring->rx_max_pending = IXGBE_MAX_RXD;
 750         ring->tx_max_pending = IXGBE_MAX_TXD;
 751         ring->rx_mini_max_pending = 0;
 752         ring->rx_jumbo_max_pending = 0;
 753         ring->rx_pending = rx_ring->count;
 754         ring->tx_pending = tx_ring->count;
 755         ring->rx_mini_pending = 0;
 756         ring->rx_jumbo_pending = 0;
 757 }
 758
 759 static int ixgbe_set_ringparam(struct net_device *netdev,
 760                                struct ethtool_ringparam *ring)
 761 {
 762         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 763         struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
 764         int i, err;
 765         u32 new_rx_count, new_tx_count;
 766         bool need_update = false;
 767
 768         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 769                 return -EINVAL;
 770
 771         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 772         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 773         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 774
 775         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 776         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 777         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 778
 779         if ((new_tx_count == adapter->tx_ring->count) &&
 780             (new_rx_count == adapter->rx_ring->count)) {
 781                 /* nothing to do */
 782                 return 0;
 783         }
 784
 785         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 786                 msleep(1);
 787
 788         temp_tx_ring = kcalloc(adapter->num_tx_queues,
 789                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 790         if (!temp_tx_ring) {
 791                 err = -ENOMEM;
 792                 goto err_setup;
 793         }
 794
 795         if (new_tx_count != adapter->tx_ring_count) {
 796                 memcpy(temp_tx_ring, adapter->tx_ring,
 797                        adapter->num_tx_queues * sizeof(struct ixgbe_ring));
 798                 for (i = 0; i < adapter->num_tx_queues; i++) {
 799                         temp_tx_ring[i].count = new_tx_count;
 800                         err = ixgbe_setup_tx_resources(adapter,
 801                                                        &temp_tx_ring[i]);
 802                         if (err) {
 803                                 while (i) {
 804                                         i--;
 805                                         ixgbe_free_tx_resources(adapter,
 806                                                                 &temp_tx_ring[i]);
 807                                 }
 808                                 goto err_setup;
 809                         }
 810                         temp_tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
 811                 }
 812                 need_update = true;
 813         }
 814
 815         temp_rx_ring = kcalloc(adapter->num_rx_queues,
 816                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 817         if ((!temp_rx_ring) && (need_update)) {
 818                 for (i = 0; i < adapter->num_tx_queues; i++)
 819                         ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
 820                 kfree(temp_tx_ring);
 821                 err = -ENOMEM;
 822                 goto err_setup;
 823         }
 824
 825         if (new_rx_count != adapter->rx_ring_count) {
 826                 memcpy(temp_rx_ring, adapter->rx_ring,
 827                        adapter->num_rx_queues * sizeof(struct ixgbe_ring));
 828                 for (i = 0; i < adapter->num_rx_queues; i++) {
 829                         temp_rx_ring[i].count = new_rx_count;
 830                         err = ixgbe_setup_rx_resources(adapter,
 831                                                        &temp_rx_ring[i]);
 832                         if (err) {
 833                                 while (i) {
 834                                         i--;
 835                                         ixgbe_free_rx_resources(adapter,
 836                                                               &temp_rx_ring[i]);
 837                                 }
 838                                 goto err_setup;
 839                         }
 840                         temp_rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
 841                 }
 842                 need_update = true;
 843         }
 844
 845         /* if rings need to be updated, here's the place to do it in one shot */
 846         if (need_update) {
 847                 if (netif_running(netdev))
 848                         ixgbe_down(adapter);
 849
 850                 /* tx */
 851                 if (new_tx_count != adapter->tx_ring_count) {
 852                         kfree(adapter->tx_ring);
 853                         adapter->tx_ring = temp_tx_ring;
 854                         temp_tx_ring = NULL;
 855                         adapter->tx_ring_count = new_tx_count;
 856                 }
 857
 858                 /* rx */
 859                 if (new_rx_count != adapter->rx_ring_count) {
 860                         kfree(adapter->rx_ring);
 861                         adapter->rx_ring = temp_rx_ring;
 862                         temp_rx_ring = NULL;
 863                         adapter->rx_ring_count = new_rx_count;
 864                 }
 865         }
 866
 867         /* success! */
 868         err = 0;
 869         if (netif_running(netdev))
 870                 ixgbe_up(adapter);
 871
 872 err_setup:
 873         clear_bit(__IXGBE_RESETTING, &adapter->state);
 874         return err;
 875 }
 876
 877 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 878 {
 879         switch (sset) {
 880         case ETH_SS_STATS:
 881                 return IXGBE_STATS_LEN;
 882         default:
 883                 return -EOPNOTSUPP;
 884         }
 885 }
 886
 887 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 888                                     struct ethtool_stats *stats, u64 *data)
 889 {
 890         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 891         u64 *queue_stat;
 892         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 893         int j, k;
 894         int i;
 895
 896         ixgbe_update_stats(adapter);
 897         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 898                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
 899                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 900                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 901         }
 902         for (j = 0; j < adapter->num_tx_queues; j++) {
 903                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
 904                 for (k = 0; k < stat_count; k++)
 905                         data[i + k] = queue_stat[k];
 906                 i += k;
 907         }
 908         for (j = 0; j < adapter->num_rx_queues; j++) {
 909                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
 910                 for (k = 0; k < stat_count; k++)
 911                         data[i + k] = queue_stat[k];
 912                 i += k;
 913         }
 914         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 915                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
 916                         data[i++] = adapter->stats.pxontxc[j];
 917                         data[i++] = adapter->stats.pxofftxc[j];
 918                 }
 919                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
 920                         data[i++] = adapter->stats.pxonrxc[j];
 921                         data[i++] = adapter->stats.pxoffrxc[j];
 922                 }
 923         }
 924 }
 925
 926 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 927                               u8 *data)
 928 {
 929         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 930         char *p = (char *)data;
 931         int i;
 932
 933         switch (stringset) {
 934         case ETH_SS_STATS:
 935                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 936                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
 937                                ETH_GSTRING_LEN);
 938                         p += ETH_GSTRING_LEN;
 939                 }
 940                 for (i = 0; i < adapter->num_tx_queues; i++) {
 941                         sprintf(p, "tx_queue_%u_packets", i);
 942                         p += ETH_GSTRING_LEN;
 943                         sprintf(p, "tx_queue_%u_bytes", i);
 944                         p += ETH_GSTRING_LEN;
 945                 }
 946                 for (i = 0; i < adapter->num_rx_queues; i++) {
 947                         sprintf(p, "rx_queue_%u_packets", i);
 948                         p += ETH_GSTRING_LEN;
 949                         sprintf(p, "rx_queue_%u_bytes", i);
 950                         p += ETH_GSTRING_LEN;
 951                 }
 952                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 953                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
 954                                 sprintf(p, "tx_pb_%u_pxon", i);
 955                                 p += ETH_GSTRING_LEN;
 956                                 sprintf(p, "tx_pb_%u_pxoff", i);
 957                                 p += ETH_GSTRING_LEN;
 958                         }
 959                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
 960                                 sprintf(p, "rx_pb_%u_pxon", i);
 961                                 p += ETH_GSTRING_LEN;
 962                                 sprintf(p, "rx_pb_%u_pxoff", i);
 963                                 p += ETH_GSTRING_LEN;
 964                         }
 965                 }
 966                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
 967                 break;
 968         }
 969 }
 970
 971
 972 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
 973                                struct ethtool_wolinfo *wol)
 974 {
 975         struct ixgbe_hw *hw = &adapter->hw;
 976         int retval = 1;
 977
 978         switch(hw->device_id) {
 979         case IXGBE_DEV_ID_82599_KX4:
 980                 retval = 0;
 981                 break;
 982         default:
 983                 wol->supported = 0;
 984                 retval = 0;
 985         }
 986
 987         return retval;
 988 }
 989
 990 static void ixgbe_get_wol(struct net_device *netdev,
 991                           struct ethtool_wolinfo *wol)
 992 {
 993         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 994
 995         wol->supported = WAKE_UCAST | WAKE_MCAST |
 996                          WAKE_BCAST | WAKE_MAGIC;
 997         wol->wolopts = 0;
 998
 999         if (ixgbe_wol_exclusion(adapter, wol) ||
1000             !device_can_wakeup(&adapter->pdev->dev))
1001                 return;
1002
1003         if (adapter->wol & IXGBE_WUFC_EX)
1004                 wol->wolopts |= WAKE_UCAST;
1005         if (adapter->wol & IXGBE_WUFC_MC)
1006                 wol->wolopts |= WAKE_MCAST;
1007         if (adapter->wol & IXGBE_WUFC_BC)
1008                 wol->wolopts |= WAKE_BCAST;
1009         if (adapter->wol & IXGBE_WUFC_MAG)
1010                 wol->wolopts |= WAKE_MAGIC;
1011
1012         return;
1013 }
1014
1015 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
1016 {
1017         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1018
1019         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1020                 return -EOPNOTSUPP;
1021
1022         if (ixgbe_wol_exclusion(adapter, wol))
1023                 return wol->wolopts ? -EOPNOTSUPP : 0;
1024
1025         adapter->wol = 0;
1026
1027         if (wol->wolopts & WAKE_UCAST)
1028                 adapter->wol |= IXGBE_WUFC_EX;
1029         if (wol->wolopts & WAKE_MCAST)
1030                 adapter->wol |= IXGBE_WUFC_MC;
1031         if (wol->wolopts & WAKE_BCAST)
1032                 adapter->wol |= IXGBE_WUFC_BC;
1033         if (wol->wolopts & WAKE_MAGIC)
1034                 adapter->wol |= IXGBE_WUFC_MAG;
1035
1036         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1037
1038         return 0;
1039 }
1040
1041 static int ixgbe_nway_reset(struct net_device *netdev)
1042 {
1043         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1044
1045         if (netif_running(netdev))
1046                 ixgbe_reinit_locked(adapter);
1047
1048         return 0;
1049 }
1050
1051 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1052 {
1053         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1054         struct ixgbe_hw *hw = &adapter->hw;
1055         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1056         u32 i;
1057
1058         if (!data || data > 300)
1059                 data = 300;
1060
1061         for (i = 0; i < (data * 1000); i += 400) {
1062                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1063                 msleep_interruptible(200);
1064                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1065                 msleep_interruptible(200);
1066         }
1067
1068         /* Restore LED settings */
1069         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1070
1071         return 0;
1072 }
1073
1074 static int ixgbe_get_coalesce(struct net_device *netdev,
1075                               struct ethtool_coalesce *ec)
1076 {
1077         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1078
1079         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
1080
1081         /* only valid if in constant ITR mode */
1082         switch (adapter->itr_setting) {
1083         case 0:
1084                 /* throttling disabled */
1085                 ec->rx_coalesce_usecs = 0;
1086                 break;
1087         case 1:
1088                 /* dynamic ITR mode */
1089                 ec->rx_coalesce_usecs = 1;
1090                 break;
1091         default:
1092                 /* fixed interrupt rate mode */
1093                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
1094                 break;
1095         }
1096         return 0;
1097 }
1098
1099 static int ixgbe_set_coalesce(struct net_device *netdev,
1100                               struct ethtool_coalesce *ec)
1101 {
1102         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1103         int i;
1104
1105         if (ec->tx_max_coalesced_frames_irq)
1106                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1107
1108         if (ec->rx_coalesce_usecs > 1) {
1109                 /* check the limits */
1110                 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1111                     (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1112                         return -EINVAL;
1113
1114                 /* store the value in ints/second */
1115                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
1116
1117                 /* static value of interrupt rate */
1118                 adapter->itr_setting = adapter->eitr_param;
1119                 /* clear the lower bit as its used for dynamic state */
1120                 adapter->itr_setting &= ~1;
1121         } else if (ec->rx_coalesce_usecs == 1) {
1122                 /* 1 means dynamic mode */
1123                 adapter->eitr_param = 20000;
1124                 adapter->itr_setting = 1;
1125         } else {
1126                 /*
1127                  * any other value means disable eitr, which is best
1128                  * served by setting the interrupt rate very high
1129                  */
1130                 adapter->eitr_param = IXGBE_MAX_INT_RATE;
1131                 adapter->itr_setting = 0;
1132         }
1133
1134         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1135                 struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
1136                 if (q_vector->txr_count && !q_vector->rxr_count)
1137                         /* tx vector gets half the rate */
1138                         q_vector->eitr = (adapter->eitr_param >> 1);
1139                 else
1140                         /* rx only or mixed */
1141                         q_vector->eitr = adapter->eitr_param;
1142                 ixgbe_write_eitr(adapter, i,
1143                                  EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1144         }
1145
1146         return 0;
1147 }
1148
1149 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
1150 {
1151         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1152
1153         ethtool_op_set_flags(netdev, data);
1154
1155         if (!(adapter->flags & IXGBE_FLAG_RSC_CAPABLE))
1156                 return 0;
1157
1158         /* if state changes we need to update adapter->flags and reset */
1159         if ((!!(data & ETH_FLAG_LRO)) !=
1160             (!!(adapter->flags & IXGBE_FLAG_RSC_ENABLED))) {
1161                 adapter->flags ^= IXGBE_FLAG_RSC_ENABLED;
1162                 if (netif_running(netdev))
1163                         ixgbe_reinit_locked(adapter);
1164                 else
1165                         ixgbe_reset(adapter);
1166         }
1167         return 0;
1168
1169 }
1170
1171 static const struct ethtool_ops ixgbe_ethtool_ops = {
1172         .get_settings           = ixgbe_get_settings,
1173         .set_settings           = ixgbe_set_settings,
1174         .get_drvinfo            = ixgbe_get_drvinfo,
1175         .get_regs_len           = ixgbe_get_regs_len,
1176         .get_regs               = ixgbe_get_regs,
1177         .get_wol                = ixgbe_get_wol,
1178         .set_wol                = ixgbe_set_wol,
1179         .nway_reset             = ixgbe_nway_reset,
1180         .get_link               = ethtool_op_get_link,
1181         .get_eeprom_len         = ixgbe_get_eeprom_len,
1182         .get_eeprom             = ixgbe_get_eeprom,
1183         .get_ringparam          = ixgbe_get_ringparam,
1184         .set_ringparam          = ixgbe_set_ringparam,
1185         .get_pauseparam         = ixgbe_get_pauseparam,
1186         .set_pauseparam         = ixgbe_set_pauseparam,
1187         .get_rx_csum            = ixgbe_get_rx_csum,
1188         .set_rx_csum            = ixgbe_set_rx_csum,
1189         .get_tx_csum            = ixgbe_get_tx_csum,
1190         .set_tx_csum            = ixgbe_set_tx_csum,
1191         .get_sg                 = ethtool_op_get_sg,
1192         .set_sg                 = ethtool_op_set_sg,
1193         .get_msglevel           = ixgbe_get_msglevel,
1194         .set_msglevel           = ixgbe_set_msglevel,
1195         .get_tso                = ethtool_op_get_tso,
1196         .set_tso                = ixgbe_set_tso,
1197         .get_strings            = ixgbe_get_strings,
1198         .phys_id                = ixgbe_phys_id,
1199         .get_sset_count         = ixgbe_get_sset_count,
1200         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1201         .get_coalesce           = ixgbe_get_coalesce,
1202         .set_coalesce           = ixgbe_set_coalesce,
1203         .get_flags              = ethtool_op_get_flags,
1204         .set_flags              = ixgbe_set_flags,
1205 };
1206
1207 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1208 {
1209         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1210 }