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   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 };
  95
  96 #define IXGBE_QUEUE_STATS_LEN \
  97         ((((struct ixgbe_adapter *)netdev_priv(netdev))->num_tx_queues + \
  98         ((struct ixgbe_adapter *)netdev_priv(netdev))->num_rx_queues) * \
  99         (sizeof(struct ixgbe_queue_stats) / sizeof(u64)))
 100 #define IXGBE_GLOBAL_STATS_LEN ARRAY_SIZE(ixgbe_gstrings_stats)
 101 #define IXGBE_PB_STATS_LEN ( \
 102                  (((struct ixgbe_adapter *)netdev_priv(netdev))->flags & \
 103                  IXGBE_FLAG_DCB_ENABLED) ? \
 104                  (sizeof(((struct ixgbe_adapter *)0)->stats.pxonrxc) + \
 105                   sizeof(((struct ixgbe_adapter *)0)->stats.pxontxc) + \
 106                   sizeof(((struct ixgbe_adapter *)0)->stats.pxoffrxc) + \
 107                   sizeof(((struct ixgbe_adapter *)0)->stats.pxofftxc)) \
 108                   / sizeof(u64) : 0)
 109 #define IXGBE_STATS_LEN (IXGBE_GLOBAL_STATS_LEN + \
 110                          IXGBE_PB_STATS_LEN + \
 111                          IXGBE_QUEUE_STATS_LEN)
 112
 113 static int ixgbe_get_settings(struct net_device *netdev,
 114                               struct ethtool_cmd *ecmd)
 115 {
 116         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 117         struct ixgbe_hw *hw = &adapter->hw;
 118         u32 link_speed = 0;
 119         bool link_up;
 120
 121         ecmd->supported = SUPPORTED_10000baseT_Full;
 122         ecmd->autoneg = AUTONEG_ENABLE;
 123         ecmd->transceiver = XCVR_EXTERNAL;
 124         if (hw->phy.media_type == ixgbe_media_type_copper) {
 125                 ecmd->supported |= (SUPPORTED_1000baseT_Full |
 126                                     SUPPORTED_TP | SUPPORTED_Autoneg);
 127
 128                 ecmd->advertising = (ADVERTISED_TP | ADVERTISED_Autoneg);
 129                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_10GB_FULL)
 130                         ecmd->advertising |= ADVERTISED_10000baseT_Full;
 131                 if (hw->phy.autoneg_advertised & IXGBE_LINK_SPEED_1GB_FULL)
 132                         ecmd->advertising |= ADVERTISED_1000baseT_Full;
 133                 /*
 134                  * It's possible that phy.autoneg_advertised may not be
 135                  * set yet.  If so display what the default would be -
 136                  * both 1G and 10G supported.
 137                  */
 138                 if (!(ecmd->advertising & (ADVERTISED_1000baseT_Full |
 139                                            ADVERTISED_10000baseT_Full)))
 140                         ecmd->advertising |= (ADVERTISED_10000baseT_Full |
 141                                               ADVERTISED_1000baseT_Full);
 142
 143                 ecmd->port = PORT_TP;
 144         } else if (hw->phy.media_type == ixgbe_media_type_backplane) {
 145                 /* Set as FIBRE until SERDES defined in kernel */
 146                 switch (hw->device_id) {
 147                 case IXGBE_DEV_ID_82598:
 148                         ecmd->supported |= (SUPPORTED_1000baseT_Full |
 149                                 SUPPORTED_FIBRE);
 150                         ecmd->advertising = (ADVERTISED_10000baseT_Full |
 151                                 ADVERTISED_1000baseT_Full |
 152                                 ADVERTISED_FIBRE);
 153                         ecmd->port = PORT_FIBRE;
 154                         break;
 155                 case IXGBE_DEV_ID_82598_BX:
 156                         ecmd->supported = (SUPPORTED_1000baseT_Full |
 157                                            SUPPORTED_FIBRE);
 158                         ecmd->advertising = (ADVERTISED_1000baseT_Full |
 159                                              ADVERTISED_FIBRE);
 160                         ecmd->port = PORT_FIBRE;
 161                         ecmd->autoneg = AUTONEG_DISABLE;
 162                         break;
 163                 }
 164         } else {
 165                 ecmd->supported |= SUPPORTED_FIBRE;
 166                 ecmd->advertising = (ADVERTISED_10000baseT_Full |
 167                                      ADVERTISED_FIBRE);
 168                 ecmd->port = PORT_FIBRE;
 169                 ecmd->autoneg = AUTONEG_DISABLE;
 170         }
 171
 172         hw->mac.ops.check_link(hw, &link_speed, &link_up, false);
 173         if (link_up) {
 174                 ecmd->speed = (link_speed == IXGBE_LINK_SPEED_10GB_FULL) ?
 175                                SPEED_10000 : SPEED_1000;
 176                 ecmd->duplex = DUPLEX_FULL;
 177         } else {
 178                 ecmd->speed = -1;
 179                 ecmd->duplex = -1;
 180         }
 181
 182         return 0;
 183 }
 184
 185 static int ixgbe_set_settings(struct net_device *netdev,
 186                               struct ethtool_cmd *ecmd)
 187 {
 188         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 189         struct ixgbe_hw *hw = &adapter->hw;
 190         u32 advertised, old;
 191         s32 err;
 192
 193         switch (hw->phy.media_type) {
 194         case ixgbe_media_type_fiber:
 195                 if ((ecmd->autoneg == AUTONEG_ENABLE) ||
 196                     (ecmd->speed + ecmd->duplex != SPEED_10000 + DUPLEX_FULL))
 197                         return -EINVAL;
 198                 /* in this case we currently only support 10Gb/FULL */
 199                 break;
 200         case ixgbe_media_type_copper:
 201                 /* 10000/copper and 1000/copper must autoneg
 202                  * this function does not support any duplex forcing, but can
 203                  * limit the advertising of the adapter to only 10000 or 1000 */
 204                 if (ecmd->autoneg == AUTONEG_DISABLE)
 205                         return -EINVAL;
 206
 207                 old = hw->phy.autoneg_advertised;
 208                 advertised = 0;
 209                 if (ecmd->advertising & ADVERTISED_10000baseT_Full)
 210                         advertised |= IXGBE_LINK_SPEED_10GB_FULL;
 211
 212                 if (ecmd->advertising & ADVERTISED_1000baseT_Full)
 213                         advertised |= IXGBE_LINK_SPEED_1GB_FULL;
 214
 215                 if (old == advertised)
 216                         break;
 217                 /* this sets the link speed and restarts auto-neg */
 218                 err = hw->mac.ops.setup_link_speed(hw, advertised, true, true);
 219                 if (err) {
 220                         DPRINTK(PROBE, INFO,
 221                                 "setup link failed with code %d\n", err);
 222                         hw->mac.ops.setup_link_speed(hw, old, true, true);
 223                 }
 224                 break;
 225         default:
 226                 break;
 227         }
 228
 229         return 0;
 230 }
 231
 232 static void ixgbe_get_pauseparam(struct net_device *netdev,
 233                                  struct ethtool_pauseparam *pause)
 234 {
 235         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 236         struct ixgbe_hw *hw = &adapter->hw;
 237
 238         /*
 239          * Flow Control Autoneg isn't on if
 240          *  - we didn't ask for it OR
 241          *  - it failed, we know this by tx & rx being off
 242          */
 243         if (hw->fc.disable_fc_autoneg ||
 244             (hw->fc.current_mode == ixgbe_fc_none))
 245                 pause->autoneg = 0;
 246         else
 247                 pause->autoneg = 1;
 248
 249         if (hw->fc.current_mode == ixgbe_fc_rx_pause) {
 250                 pause->rx_pause = 1;
 251         } else if (hw->fc.current_mode == ixgbe_fc_tx_pause) {
 252                 pause->tx_pause = 1;
 253         } else if (hw->fc.current_mode == ixgbe_fc_full) {
 254                 pause->rx_pause = 1;
 255                 pause->tx_pause = 1;
 256         }
 257 }
 258
 259 static int ixgbe_set_pauseparam(struct net_device *netdev,
 260                                 struct ethtool_pauseparam *pause)
 261 {
 262         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 263         struct ixgbe_hw *hw = &adapter->hw;
 264
 265         if (pause->autoneg != AUTONEG_ENABLE)
 266                 hw->fc.disable_fc_autoneg = true;
 267         else
 268                 hw->fc.disable_fc_autoneg = false;
 269
 270         if (pause->rx_pause && pause->tx_pause)
 271                 hw->fc.requested_mode = ixgbe_fc_full;
 272         else if (pause->rx_pause && !pause->tx_pause)
 273                 hw->fc.requested_mode = ixgbe_fc_rx_pause;
 274         else if (!pause->rx_pause && pause->tx_pause)
 275                 hw->fc.requested_mode = ixgbe_fc_tx_pause;
 276         else if (!pause->rx_pause && !pause->tx_pause)
 277                 hw->fc.requested_mode = ixgbe_fc_none;
 278         else
 279                 return -EINVAL;
 280
 281         hw->mac.ops.setup_fc(hw, 0);
 282
 283         return 0;
 284 }
 285
 286 static u32 ixgbe_get_rx_csum(struct net_device *netdev)
 287 {
 288         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 289         return (adapter->flags & IXGBE_FLAG_RX_CSUM_ENABLED);
 290 }
 291
 292 static int ixgbe_set_rx_csum(struct net_device *netdev, u32 data)
 293 {
 294         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 295         if (data)
 296                 adapter->flags |= IXGBE_FLAG_RX_CSUM_ENABLED;
 297         else
 298                 adapter->flags &= ~IXGBE_FLAG_RX_CSUM_ENABLED;
 299
 300         if (netif_running(netdev))
 301                 ixgbe_reinit_locked(adapter);
 302         else
 303                 ixgbe_reset(adapter);
 304
 305         return 0;
 306 }
 307
 308 static u32 ixgbe_get_tx_csum(struct net_device *netdev)
 309 {
 310         return (netdev->features & NETIF_F_IP_CSUM) != 0;
 311 }
 312
 313 static int ixgbe_set_tx_csum(struct net_device *netdev, u32 data)
 314 {
 315         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 316
 317         if (data) {
 318                 netdev->features |= (NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 319                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 320                         netdev->features |= NETIF_F_SCTP_CSUM;
 321         } else {
 322                 netdev->features &= ~(NETIF_F_IP_CSUM | NETIF_F_IPV6_CSUM);
 323                 if (adapter->hw.mac.type == ixgbe_mac_82599EB)
 324                         netdev->features &= ~NETIF_F_SCTP_CSUM;
 325         }
 326
 327         return 0;
 328 }
 329
 330 static int ixgbe_set_tso(struct net_device *netdev, u32 data)
 331 {
 332         if (data) {
 333                 netdev->features |= NETIF_F_TSO;
 334                 netdev->features |= NETIF_F_TSO6;
 335         } else {
 336                 netif_tx_stop_all_queues(netdev);
 337                 netdev->features &= ~NETIF_F_TSO;
 338                 netdev->features &= ~NETIF_F_TSO6;
 339                 netif_tx_start_all_queues(netdev);
 340         }
 341         return 0;
 342 }
 343
 344 static u32 ixgbe_get_msglevel(struct net_device *netdev)
 345 {
 346         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 347         return adapter->msg_enable;
 348 }
 349
 350 static void ixgbe_set_msglevel(struct net_device *netdev, u32 data)
 351 {
 352         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 353         adapter->msg_enable = data;
 354 }
 355
 356 static int ixgbe_get_regs_len(struct net_device *netdev)
 357 {
 358 #define IXGBE_REGS_LEN  1128
 359         return IXGBE_REGS_LEN * sizeof(u32);
 360 }
 361
 362 #define IXGBE_GET_STAT(_A_, _R_) _A_->stats._R_
 363
 364 static void ixgbe_get_regs(struct net_device *netdev,
 365                            struct ethtool_regs *regs, void *p)
 366 {
 367         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 368         struct ixgbe_hw *hw = &adapter->hw;
 369         u32 *regs_buff = p;
 370         u8 i;
 371
 372         memset(p, 0, IXGBE_REGS_LEN * sizeof(u32));
 373
 374         regs->version = (1 << 24) | hw->revision_id << 16 | hw->device_id;
 375
 376         /* General Registers */
 377         regs_buff[0] = IXGBE_READ_REG(hw, IXGBE_CTRL);
 378         regs_buff[1] = IXGBE_READ_REG(hw, IXGBE_STATUS);
 379         regs_buff[2] = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 380         regs_buff[3] = IXGBE_READ_REG(hw, IXGBE_ESDP);
 381         regs_buff[4] = IXGBE_READ_REG(hw, IXGBE_EODSDP);
 382         regs_buff[5] = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
 383         regs_buff[6] = IXGBE_READ_REG(hw, IXGBE_FRTIMER);
 384         regs_buff[7] = IXGBE_READ_REG(hw, IXGBE_TCPTIMER);
 385
 386         /* NVM Register */
 387         regs_buff[8] = IXGBE_READ_REG(hw, IXGBE_EEC);
 388         regs_buff[9] = IXGBE_READ_REG(hw, IXGBE_EERD);
 389         regs_buff[10] = IXGBE_READ_REG(hw, IXGBE_FLA);
 390         regs_buff[11] = IXGBE_READ_REG(hw, IXGBE_EEMNGCTL);
 391         regs_buff[12] = IXGBE_READ_REG(hw, IXGBE_EEMNGDATA);
 392         regs_buff[13] = IXGBE_READ_REG(hw, IXGBE_FLMNGCTL);
 393         regs_buff[14] = IXGBE_READ_REG(hw, IXGBE_FLMNGDATA);
 394         regs_buff[15] = IXGBE_READ_REG(hw, IXGBE_FLMNGCNT);
 395         regs_buff[16] = IXGBE_READ_REG(hw, IXGBE_FLOP);
 396         regs_buff[17] = IXGBE_READ_REG(hw, IXGBE_GRC);
 397
 398         /* Interrupt */
 399         /* don't read EICR because it can clear interrupt causes, instead
 400          * read EICS which is a shadow but doesn't clear EICR */
 401         regs_buff[18] = IXGBE_READ_REG(hw, IXGBE_EICS);
 402         regs_buff[19] = IXGBE_READ_REG(hw, IXGBE_EICS);
 403         regs_buff[20] = IXGBE_READ_REG(hw, IXGBE_EIMS);
 404         regs_buff[21] = IXGBE_READ_REG(hw, IXGBE_EIMC);
 405         regs_buff[22] = IXGBE_READ_REG(hw, IXGBE_EIAC);
 406         regs_buff[23] = IXGBE_READ_REG(hw, IXGBE_EIAM);
 407         regs_buff[24] = IXGBE_READ_REG(hw, IXGBE_EITR(0));
 408         regs_buff[25] = IXGBE_READ_REG(hw, IXGBE_IVAR(0));
 409         regs_buff[26] = IXGBE_READ_REG(hw, IXGBE_MSIXT);
 410         regs_buff[27] = IXGBE_READ_REG(hw, IXGBE_MSIXPBA);
 411         regs_buff[28] = IXGBE_READ_REG(hw, IXGBE_PBACL(0));
 412         regs_buff[29] = IXGBE_READ_REG(hw, IXGBE_GPIE);
 413
 414         /* Flow Control */
 415         regs_buff[30] = IXGBE_READ_REG(hw, IXGBE_PFCTOP);
 416         regs_buff[31] = IXGBE_READ_REG(hw, IXGBE_FCTTV(0));
 417         regs_buff[32] = IXGBE_READ_REG(hw, IXGBE_FCTTV(1));
 418         regs_buff[33] = IXGBE_READ_REG(hw, IXGBE_FCTTV(2));
 419         regs_buff[34] = IXGBE_READ_REG(hw, IXGBE_FCTTV(3));
 420         for (i = 0; i < 8; i++)
 421                 regs_buff[35 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTL(i));
 422         for (i = 0; i < 8; i++)
 423                 regs_buff[43 + i] = IXGBE_READ_REG(hw, IXGBE_FCRTH(i));
 424         regs_buff[51] = IXGBE_READ_REG(hw, IXGBE_FCRTV);
 425         regs_buff[52] = IXGBE_READ_REG(hw, IXGBE_TFCS);
 426
 427         /* Receive DMA */
 428         for (i = 0; i < 64; i++)
 429                 regs_buff[53 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAL(i));
 430         for (i = 0; i < 64; i++)
 431                 regs_buff[117 + i] = IXGBE_READ_REG(hw, IXGBE_RDBAH(i));
 432         for (i = 0; i < 64; i++)
 433                 regs_buff[181 + i] = IXGBE_READ_REG(hw, IXGBE_RDLEN(i));
 434         for (i = 0; i < 64; i++)
 435                 regs_buff[245 + i] = IXGBE_READ_REG(hw, IXGBE_RDH(i));
 436         for (i = 0; i < 64; i++)
 437                 regs_buff[309 + i] = IXGBE_READ_REG(hw, IXGBE_RDT(i));
 438         for (i = 0; i < 64; i++)
 439                 regs_buff[373 + i] = IXGBE_READ_REG(hw, IXGBE_RXDCTL(i));
 440         for (i = 0; i < 16; i++)
 441                 regs_buff[437 + i] = IXGBE_READ_REG(hw, IXGBE_SRRCTL(i));
 442         for (i = 0; i < 16; i++)
 443                 regs_buff[453 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_RXCTRL(i));
 444         regs_buff[469] = IXGBE_READ_REG(hw, IXGBE_RDRXCTL);
 445         for (i = 0; i < 8; i++)
 446                 regs_buff[470 + i] = IXGBE_READ_REG(hw, IXGBE_RXPBSIZE(i));
 447         regs_buff[478] = IXGBE_READ_REG(hw, IXGBE_RXCTRL);
 448         regs_buff[479] = IXGBE_READ_REG(hw, IXGBE_DROPEN);
 449
 450         /* Receive */
 451         regs_buff[480] = IXGBE_READ_REG(hw, IXGBE_RXCSUM);
 452         regs_buff[481] = IXGBE_READ_REG(hw, IXGBE_RFCTL);
 453         for (i = 0; i < 16; i++)
 454                 regs_buff[482 + i] = IXGBE_READ_REG(hw, IXGBE_RAL(i));
 455         for (i = 0; i < 16; i++)
 456                 regs_buff[498 + i] = IXGBE_READ_REG(hw, IXGBE_RAH(i));
 457         regs_buff[514] = IXGBE_READ_REG(hw, IXGBE_PSRTYPE(0));
 458         regs_buff[515] = IXGBE_READ_REG(hw, IXGBE_FCTRL);
 459         regs_buff[516] = IXGBE_READ_REG(hw, IXGBE_VLNCTRL);
 460         regs_buff[517] = IXGBE_READ_REG(hw, IXGBE_MCSTCTRL);
 461         regs_buff[518] = IXGBE_READ_REG(hw, IXGBE_MRQC);
 462         regs_buff[519] = IXGBE_READ_REG(hw, IXGBE_VMD_CTL);
 463         for (i = 0; i < 8; i++)
 464                 regs_buff[520 + i] = IXGBE_READ_REG(hw, IXGBE_IMIR(i));
 465         for (i = 0; i < 8; i++)
 466                 regs_buff[528 + i] = IXGBE_READ_REG(hw, IXGBE_IMIREXT(i));
 467         regs_buff[536] = IXGBE_READ_REG(hw, IXGBE_IMIRVP);
 468
 469         /* Transmit */
 470         for (i = 0; i < 32; i++)
 471                 regs_buff[537 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAL(i));
 472         for (i = 0; i < 32; i++)
 473                 regs_buff[569 + i] = IXGBE_READ_REG(hw, IXGBE_TDBAH(i));
 474         for (i = 0; i < 32; i++)
 475                 regs_buff[601 + i] = IXGBE_READ_REG(hw, IXGBE_TDLEN(i));
 476         for (i = 0; i < 32; i++)
 477                 regs_buff[633 + i] = IXGBE_READ_REG(hw, IXGBE_TDH(i));
 478         for (i = 0; i < 32; i++)
 479                 regs_buff[665 + i] = IXGBE_READ_REG(hw, IXGBE_TDT(i));
 480         for (i = 0; i < 32; i++)
 481                 regs_buff[697 + i] = IXGBE_READ_REG(hw, IXGBE_TXDCTL(i));
 482         for (i = 0; i < 32; i++)
 483                 regs_buff[729 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAL(i));
 484         for (i = 0; i < 32; i++)
 485                 regs_buff[761 + i] = IXGBE_READ_REG(hw, IXGBE_TDWBAH(i));
 486         regs_buff[793] = IXGBE_READ_REG(hw, IXGBE_DTXCTL);
 487         for (i = 0; i < 16; i++)
 488                 regs_buff[794 + i] = IXGBE_READ_REG(hw, IXGBE_DCA_TXCTRL(i));
 489         regs_buff[810] = IXGBE_READ_REG(hw, IXGBE_TIPG);
 490         for (i = 0; i < 8; i++)
 491                 regs_buff[811 + i] = IXGBE_READ_REG(hw, IXGBE_TXPBSIZE(i));
 492         regs_buff[819] = IXGBE_READ_REG(hw, IXGBE_MNGTXMAP);
 493
 494         /* Wake Up */
 495         regs_buff[820] = IXGBE_READ_REG(hw, IXGBE_WUC);
 496         regs_buff[821] = IXGBE_READ_REG(hw, IXGBE_WUFC);
 497         regs_buff[822] = IXGBE_READ_REG(hw, IXGBE_WUS);
 498         regs_buff[823] = IXGBE_READ_REG(hw, IXGBE_IPAV);
 499         regs_buff[824] = IXGBE_READ_REG(hw, IXGBE_IP4AT);
 500         regs_buff[825] = IXGBE_READ_REG(hw, IXGBE_IP6AT);
 501         regs_buff[826] = IXGBE_READ_REG(hw, IXGBE_WUPL);
 502         regs_buff[827] = IXGBE_READ_REG(hw, IXGBE_WUPM);
 503         regs_buff[828] = IXGBE_READ_REG(hw, IXGBE_FHFT(0));
 504
 505         regs_buff[829] = IXGBE_READ_REG(hw, IXGBE_RMCS);
 506         regs_buff[830] = IXGBE_READ_REG(hw, IXGBE_DPMCS);
 507         regs_buff[831] = IXGBE_READ_REG(hw, IXGBE_PDPMCS);
 508         regs_buff[832] = IXGBE_READ_REG(hw, IXGBE_RUPPBMR);
 509         for (i = 0; i < 8; i++)
 510                 regs_buff[833 + i] = IXGBE_READ_REG(hw, IXGBE_RT2CR(i));
 511         for (i = 0; i < 8; i++)
 512                 regs_buff[841 + i] = IXGBE_READ_REG(hw, IXGBE_RT2SR(i));
 513         for (i = 0; i < 8; i++)
 514                 regs_buff[849 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCCR(i));
 515         for (i = 0; i < 8; i++)
 516                 regs_buff[857 + i] = IXGBE_READ_REG(hw, IXGBE_TDTQ2TCSR(i));
 517         for (i = 0; i < 8; i++)
 518                 regs_buff[865 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCCR(i));
 519         for (i = 0; i < 8; i++)
 520                 regs_buff[873 + i] = IXGBE_READ_REG(hw, IXGBE_TDPT2TCSR(i));
 521
 522         /* Statistics */
 523         regs_buff[881] = IXGBE_GET_STAT(adapter, crcerrs);
 524         regs_buff[882] = IXGBE_GET_STAT(adapter, illerrc);
 525         regs_buff[883] = IXGBE_GET_STAT(adapter, errbc);
 526         regs_buff[884] = IXGBE_GET_STAT(adapter, mspdc);
 527         for (i = 0; i < 8; i++)
 528                 regs_buff[885 + i] = IXGBE_GET_STAT(adapter, mpc[i]);
 529         regs_buff[893] = IXGBE_GET_STAT(adapter, mlfc);
 530         regs_buff[894] = IXGBE_GET_STAT(adapter, mrfc);
 531         regs_buff[895] = IXGBE_GET_STAT(adapter, rlec);
 532         regs_buff[896] = IXGBE_GET_STAT(adapter, lxontxc);
 533         regs_buff[897] = IXGBE_GET_STAT(adapter, lxonrxc);
 534         regs_buff[898] = IXGBE_GET_STAT(adapter, lxofftxc);
 535         regs_buff[899] = IXGBE_GET_STAT(adapter, lxoffrxc);
 536         for (i = 0; i < 8; i++)
 537                 regs_buff[900 + i] = IXGBE_GET_STAT(adapter, pxontxc[i]);
 538         for (i = 0; i < 8; i++)
 539                 regs_buff[908 + i] = IXGBE_GET_STAT(adapter, pxonrxc[i]);
 540         for (i = 0; i < 8; i++)
 541                 regs_buff[916 + i] = IXGBE_GET_STAT(adapter, pxofftxc[i]);
 542         for (i = 0; i < 8; i++)
 543                 regs_buff[924 + i] = IXGBE_GET_STAT(adapter, pxoffrxc[i]);
 544         regs_buff[932] = IXGBE_GET_STAT(adapter, prc64);
 545         regs_buff[933] = IXGBE_GET_STAT(adapter, prc127);
 546         regs_buff[934] = IXGBE_GET_STAT(adapter, prc255);
 547         regs_buff[935] = IXGBE_GET_STAT(adapter, prc511);
 548         regs_buff[936] = IXGBE_GET_STAT(adapter, prc1023);
 549         regs_buff[937] = IXGBE_GET_STAT(adapter, prc1522);
 550         regs_buff[938] = IXGBE_GET_STAT(adapter, gprc);
 551         regs_buff[939] = IXGBE_GET_STAT(adapter, bprc);
 552         regs_buff[940] = IXGBE_GET_STAT(adapter, mprc);
 553         regs_buff[941] = IXGBE_GET_STAT(adapter, gptc);
 554         regs_buff[942] = IXGBE_GET_STAT(adapter, gorc);
 555         regs_buff[944] = IXGBE_GET_STAT(adapter, gotc);
 556         for (i = 0; i < 8; i++)
 557                 regs_buff[946 + i] = IXGBE_GET_STAT(adapter, rnbc[i]);
 558         regs_buff[954] = IXGBE_GET_STAT(adapter, ruc);
 559         regs_buff[955] = IXGBE_GET_STAT(adapter, rfc);
 560         regs_buff[956] = IXGBE_GET_STAT(adapter, roc);
 561         regs_buff[957] = IXGBE_GET_STAT(adapter, rjc);
 562         regs_buff[958] = IXGBE_GET_STAT(adapter, mngprc);
 563         regs_buff[959] = IXGBE_GET_STAT(adapter, mngpdc);
 564         regs_buff[960] = IXGBE_GET_STAT(adapter, mngptc);
 565         regs_buff[961] = IXGBE_GET_STAT(adapter, tor);
 566         regs_buff[963] = IXGBE_GET_STAT(adapter, tpr);
 567         regs_buff[964] = IXGBE_GET_STAT(adapter, tpt);
 568         regs_buff[965] = IXGBE_GET_STAT(adapter, ptc64);
 569         regs_buff[966] = IXGBE_GET_STAT(adapter, ptc127);
 570         regs_buff[967] = IXGBE_GET_STAT(adapter, ptc255);
 571         regs_buff[968] = IXGBE_GET_STAT(adapter, ptc511);
 572         regs_buff[969] = IXGBE_GET_STAT(adapter, ptc1023);
 573         regs_buff[970] = IXGBE_GET_STAT(adapter, ptc1522);
 574         regs_buff[971] = IXGBE_GET_STAT(adapter, mptc);
 575         regs_buff[972] = IXGBE_GET_STAT(adapter, bptc);
 576         regs_buff[973] = IXGBE_GET_STAT(adapter, xec);
 577         for (i = 0; i < 16; i++)
 578                 regs_buff[974 + i] = IXGBE_GET_STAT(adapter, qprc[i]);
 579         for (i = 0; i < 16; i++)
 580                 regs_buff[990 + i] = IXGBE_GET_STAT(adapter, qptc[i]);
 581         for (i = 0; i < 16; i++)
 582                 regs_buff[1006 + i] = IXGBE_GET_STAT(adapter, qbrc[i]);
 583         for (i = 0; i < 16; i++)
 584                 regs_buff[1022 + i] = IXGBE_GET_STAT(adapter, qbtc[i]);
 585
 586         /* MAC */
 587         regs_buff[1038] = IXGBE_READ_REG(hw, IXGBE_PCS1GCFIG);
 588         regs_buff[1039] = IXGBE_READ_REG(hw, IXGBE_PCS1GLCTL);
 589         regs_buff[1040] = IXGBE_READ_REG(hw, IXGBE_PCS1GLSTA);
 590         regs_buff[1041] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG0);
 591         regs_buff[1042] = IXGBE_READ_REG(hw, IXGBE_PCS1GDBG1);
 592         regs_buff[1043] = IXGBE_READ_REG(hw, IXGBE_PCS1GANA);
 593         regs_buff[1044] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLP);
 594         regs_buff[1045] = IXGBE_READ_REG(hw, IXGBE_PCS1GANNP);
 595         regs_buff[1046] = IXGBE_READ_REG(hw, IXGBE_PCS1GANLPNP);
 596         regs_buff[1047] = IXGBE_READ_REG(hw, IXGBE_HLREG0);
 597         regs_buff[1048] = IXGBE_READ_REG(hw, IXGBE_HLREG1);
 598         regs_buff[1049] = IXGBE_READ_REG(hw, IXGBE_PAP);
 599         regs_buff[1050] = IXGBE_READ_REG(hw, IXGBE_MACA);
 600         regs_buff[1051] = IXGBE_READ_REG(hw, IXGBE_APAE);
 601         regs_buff[1052] = IXGBE_READ_REG(hw, IXGBE_ARD);
 602         regs_buff[1053] = IXGBE_READ_REG(hw, IXGBE_AIS);
 603         regs_buff[1054] = IXGBE_READ_REG(hw, IXGBE_MSCA);
 604         regs_buff[1055] = IXGBE_READ_REG(hw, IXGBE_MSRWD);
 605         regs_buff[1056] = IXGBE_READ_REG(hw, IXGBE_MLADD);
 606         regs_buff[1057] = IXGBE_READ_REG(hw, IXGBE_MHADD);
 607         regs_buff[1058] = IXGBE_READ_REG(hw, IXGBE_TREG);
 608         regs_buff[1059] = IXGBE_READ_REG(hw, IXGBE_PCSS1);
 609         regs_buff[1060] = IXGBE_READ_REG(hw, IXGBE_PCSS2);
 610         regs_buff[1061] = IXGBE_READ_REG(hw, IXGBE_XPCSS);
 611         regs_buff[1062] = IXGBE_READ_REG(hw, IXGBE_SERDESC);
 612         regs_buff[1063] = IXGBE_READ_REG(hw, IXGBE_MACS);
 613         regs_buff[1064] = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 614         regs_buff[1065] = IXGBE_READ_REG(hw, IXGBE_LINKS);
 615         regs_buff[1066] = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 616         regs_buff[1067] = IXGBE_READ_REG(hw, IXGBE_AUTOC3);
 617         regs_buff[1068] = IXGBE_READ_REG(hw, IXGBE_ANLP1);
 618         regs_buff[1069] = IXGBE_READ_REG(hw, IXGBE_ANLP2);
 619         regs_buff[1070] = IXGBE_READ_REG(hw, IXGBE_ATLASCTL);
 620
 621         /* Diagnostic */
 622         regs_buff[1071] = IXGBE_READ_REG(hw, IXGBE_RDSTATCTL);
 623         for (i = 0; i < 8; i++)
 624                 regs_buff[1072 + i] = IXGBE_READ_REG(hw, IXGBE_RDSTAT(i));
 625         regs_buff[1080] = IXGBE_READ_REG(hw, IXGBE_RDHMPN);
 626         for (i = 0; i < 4; i++)
 627                 regs_buff[1081 + i] = IXGBE_READ_REG(hw, IXGBE_RIC_DW(i));
 628         regs_buff[1085] = IXGBE_READ_REG(hw, IXGBE_RDPROBE);
 629         regs_buff[1086] = IXGBE_READ_REG(hw, IXGBE_TDSTATCTL);
 630         for (i = 0; i < 8; i++)
 631                 regs_buff[1087 + i] = IXGBE_READ_REG(hw, IXGBE_TDSTAT(i));
 632         regs_buff[1095] = IXGBE_READ_REG(hw, IXGBE_TDHMPN);
 633         for (i = 0; i < 4; i++)
 634                 regs_buff[1096 + i] = IXGBE_READ_REG(hw, IXGBE_TIC_DW(i));
 635         regs_buff[1100] = IXGBE_READ_REG(hw, IXGBE_TDPROBE);
 636         regs_buff[1101] = IXGBE_READ_REG(hw, IXGBE_TXBUFCTRL);
 637         regs_buff[1102] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA0);
 638         regs_buff[1103] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA1);
 639         regs_buff[1104] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA2);
 640         regs_buff[1105] = IXGBE_READ_REG(hw, IXGBE_TXBUFDATA3);
 641         regs_buff[1106] = IXGBE_READ_REG(hw, IXGBE_RXBUFCTRL);
 642         regs_buff[1107] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA0);
 643         regs_buff[1108] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA1);
 644         regs_buff[1109] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA2);
 645         regs_buff[1110] = IXGBE_READ_REG(hw, IXGBE_RXBUFDATA3);
 646         for (i = 0; i < 8; i++)
 647                 regs_buff[1111 + i] = IXGBE_READ_REG(hw, IXGBE_PCIE_DIAG(i));
 648         regs_buff[1119] = IXGBE_READ_REG(hw, IXGBE_RFVAL);
 649         regs_buff[1120] = IXGBE_READ_REG(hw, IXGBE_MDFTC1);
 650         regs_buff[1121] = IXGBE_READ_REG(hw, IXGBE_MDFTC2);
 651         regs_buff[1122] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO1);
 652         regs_buff[1123] = IXGBE_READ_REG(hw, IXGBE_MDFTFIFO2);
 653         regs_buff[1124] = IXGBE_READ_REG(hw, IXGBE_MDFTS);
 654         regs_buff[1125] = IXGBE_READ_REG(hw, IXGBE_PCIEECCCTL);
 655         regs_buff[1126] = IXGBE_READ_REG(hw, IXGBE_PBTXECC);
 656         regs_buff[1127] = IXGBE_READ_REG(hw, IXGBE_PBRXECC);
 657 }
 658
 659 static int ixgbe_get_eeprom_len(struct net_device *netdev)
 660 {
 661         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 662         return adapter->hw.eeprom.word_size * 2;
 663 }
 664
 665 static int ixgbe_get_eeprom(struct net_device *netdev,
 666                             struct ethtool_eeprom *eeprom, u8 *bytes)
 667 {
 668         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 669         struct ixgbe_hw *hw = &adapter->hw;
 670         u16 *eeprom_buff;
 671         int first_word, last_word, eeprom_len;
 672         int ret_val = 0;
 673         u16 i;
 674
 675         if (eeprom->len == 0)
 676                 return -EINVAL;
 677
 678         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 679
 680         first_word = eeprom->offset >> 1;
 681         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 682         eeprom_len = last_word - first_word + 1;
 683
 684         eeprom_buff = kmalloc(sizeof(u16) * eeprom_len, GFP_KERNEL);
 685         if (!eeprom_buff)
 686                 return -ENOMEM;
 687
 688         for (i = 0; i < eeprom_len; i++) {
 689                 if ((ret_val = hw->eeprom.ops.read(hw, first_word + i,
 690                     &eeprom_buff[i])))
 691                         break;
 692         }
 693
 694         /* Device's eeprom is always little-endian, word addressable */
 695         for (i = 0; i < eeprom_len; i++)
 696                 le16_to_cpus(&eeprom_buff[i]);
 697
 698         memcpy(bytes, (u8 *)eeprom_buff + (eeprom->offset & 1), eeprom->len);
 699         kfree(eeprom_buff);
 700
 701         return ret_val;
 702 }
 703
 704 static void ixgbe_get_drvinfo(struct net_device *netdev,
 705                               struct ethtool_drvinfo *drvinfo)
 706 {
 707         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 708         char firmware_version[32];
 709
 710         strncpy(drvinfo->driver, ixgbe_driver_name, 32);
 711         strncpy(drvinfo->version, ixgbe_driver_version, 32);
 712
 713         sprintf(firmware_version, "%d.%d-%d",
 714                 (adapter->eeprom_version & 0xF000) >> 12,
 715                 (adapter->eeprom_version & 0x0FF0) >> 4,
 716                 adapter->eeprom_version & 0x000F);
 717
 718         strncpy(drvinfo->fw_version, firmware_version, 32);
 719         strncpy(drvinfo->bus_info, pci_name(adapter->pdev), 32);
 720         drvinfo->n_stats = IXGBE_STATS_LEN;
 721         drvinfo->regdump_len = ixgbe_get_regs_len(netdev);
 722 }
 723
 724 static void ixgbe_get_ringparam(struct net_device *netdev,
 725                                 struct ethtool_ringparam *ring)
 726 {
 727         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 728         struct ixgbe_ring *tx_ring = adapter->tx_ring;
 729         struct ixgbe_ring *rx_ring = adapter->rx_ring;
 730
 731         ring->rx_max_pending = IXGBE_MAX_RXD;
 732         ring->tx_max_pending = IXGBE_MAX_TXD;
 733         ring->rx_mini_max_pending = 0;
 734         ring->rx_jumbo_max_pending = 0;
 735         ring->rx_pending = rx_ring->count;
 736         ring->tx_pending = tx_ring->count;
 737         ring->rx_mini_pending = 0;
 738         ring->rx_jumbo_pending = 0;
 739 }
 740
 741 static int ixgbe_set_ringparam(struct net_device *netdev,
 742                                struct ethtool_ringparam *ring)
 743 {
 744         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 745         struct ixgbe_ring *temp_tx_ring, *temp_rx_ring;
 746         int i, err;
 747         u32 new_rx_count, new_tx_count;
 748         bool need_update = false;
 749
 750         if ((ring->rx_mini_pending) || (ring->rx_jumbo_pending))
 751                 return -EINVAL;
 752
 753         new_rx_count = max(ring->rx_pending, (u32)IXGBE_MIN_RXD);
 754         new_rx_count = min(new_rx_count, (u32)IXGBE_MAX_RXD);
 755         new_rx_count = ALIGN(new_rx_count, IXGBE_REQ_RX_DESCRIPTOR_MULTIPLE);
 756
 757         new_tx_count = max(ring->tx_pending, (u32)IXGBE_MIN_TXD);
 758         new_tx_count = min(new_tx_count, (u32)IXGBE_MAX_TXD);
 759         new_tx_count = ALIGN(new_tx_count, IXGBE_REQ_TX_DESCRIPTOR_MULTIPLE);
 760
 761         if ((new_tx_count == adapter->tx_ring->count) &&
 762             (new_rx_count == adapter->rx_ring->count)) {
 763                 /* nothing to do */
 764                 return 0;
 765         }
 766
 767         while (test_and_set_bit(__IXGBE_RESETTING, &adapter->state))
 768                 msleep(1);
 769
 770         temp_tx_ring = kcalloc(adapter->num_tx_queues,
 771                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 772         if (!temp_tx_ring) {
 773                 err = -ENOMEM;
 774                 goto err_setup;
 775         }
 776
 777         if (new_tx_count != adapter->tx_ring_count) {
 778                 memcpy(temp_tx_ring, adapter->tx_ring,
 779                        adapter->num_tx_queues * sizeof(struct ixgbe_ring));
 780                 for (i = 0; i < adapter->num_tx_queues; i++) {
 781                         temp_tx_ring[i].count = new_tx_count;
 782                         err = ixgbe_setup_tx_resources(adapter,
 783                                                        &temp_tx_ring[i]);
 784                         if (err) {
 785                                 while (i) {
 786                                         i--;
 787                                         ixgbe_free_tx_resources(adapter,
 788                                                                 &temp_tx_ring[i]);
 789                                 }
 790                                 goto err_setup;
 791                         }
 792                         temp_tx_ring[i].v_idx = adapter->tx_ring[i].v_idx;
 793                 }
 794                 need_update = true;
 795         }
 796
 797         temp_rx_ring = kcalloc(adapter->num_rx_queues,
 798                                sizeof(struct ixgbe_ring), GFP_KERNEL);
 799         if ((!temp_rx_ring) && (need_update)) {
 800                 for (i = 0; i < adapter->num_tx_queues; i++)
 801                         ixgbe_free_tx_resources(adapter, &temp_tx_ring[i]);
 802                 kfree(temp_tx_ring);
 803                 err = -ENOMEM;
 804                 goto err_setup;
 805         }
 806
 807         if (new_rx_count != adapter->rx_ring_count) {
 808                 memcpy(temp_rx_ring, adapter->rx_ring,
 809                        adapter->num_rx_queues * sizeof(struct ixgbe_ring));
 810                 for (i = 0; i < adapter->num_rx_queues; i++) {
 811                         temp_rx_ring[i].count = new_rx_count;
 812                         err = ixgbe_setup_rx_resources(adapter,
 813                                                        &temp_rx_ring[i]);
 814                         if (err) {
 815                                 while (i) {
 816                                         i--;
 817                                         ixgbe_free_rx_resources(adapter,
 818                                                               &temp_rx_ring[i]);
 819                                 }
 820                                 goto err_setup;
 821                         }
 822                         temp_rx_ring[i].v_idx = adapter->rx_ring[i].v_idx;
 823                 }
 824                 need_update = true;
 825         }
 826
 827         /* if rings need to be updated, here's the place to do it in one shot */
 828         if (need_update) {
 829                 if (netif_running(netdev))
 830                         ixgbe_down(adapter);
 831
 832                 /* tx */
 833                 if (new_tx_count != adapter->tx_ring_count) {
 834                         kfree(adapter->tx_ring);
 835                         adapter->tx_ring = temp_tx_ring;
 836                         temp_tx_ring = NULL;
 837                         adapter->tx_ring_count = new_tx_count;
 838                 }
 839
 840                 /* rx */
 841                 if (new_rx_count != adapter->rx_ring_count) {
 842                         kfree(adapter->rx_ring);
 843                         adapter->rx_ring = temp_rx_ring;
 844                         temp_rx_ring = NULL;
 845                         adapter->rx_ring_count = new_rx_count;
 846                 }
 847         }
 848
 849         /* success! */
 850         err = 0;
 851         if (netif_running(netdev))
 852                 ixgbe_up(adapter);
 853
 854 err_setup:
 855         clear_bit(__IXGBE_RESETTING, &adapter->state);
 856         return err;
 857 }
 858
 859 static int ixgbe_get_sset_count(struct net_device *netdev, int sset)
 860 {
 861         switch (sset) {
 862         case ETH_SS_STATS:
 863                 return IXGBE_STATS_LEN;
 864         default:
 865                 return -EOPNOTSUPP;
 866         }
 867 }
 868
 869 static void ixgbe_get_ethtool_stats(struct net_device *netdev,
 870                                     struct ethtool_stats *stats, u64 *data)
 871 {
 872         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 873         u64 *queue_stat;
 874         int stat_count = sizeof(struct ixgbe_queue_stats) / sizeof(u64);
 875         int j, k;
 876         int i;
 877
 878         ixgbe_update_stats(adapter);
 879         for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 880                 char *p = (char *)adapter + ixgbe_gstrings_stats[i].stat_offset;
 881                 data[i] = (ixgbe_gstrings_stats[i].sizeof_stat ==
 882                            sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
 883         }
 884         for (j = 0; j < adapter->num_tx_queues; j++) {
 885                 queue_stat = (u64 *)&adapter->tx_ring[j].stats;
 886                 for (k = 0; k < stat_count; k++)
 887                         data[i + k] = queue_stat[k];
 888                 i += k;
 889         }
 890         for (j = 0; j < adapter->num_rx_queues; j++) {
 891                 queue_stat = (u64 *)&adapter->rx_ring[j].stats;
 892                 for (k = 0; k < stat_count; k++)
 893                         data[i + k] = queue_stat[k];
 894                 i += k;
 895         }
 896         if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 897                 for (j = 0; j < MAX_TX_PACKET_BUFFERS; j++) {
 898                         data[i++] = adapter->stats.pxontxc[j];
 899                         data[i++] = adapter->stats.pxofftxc[j];
 900                 }
 901                 for (j = 0; j < MAX_RX_PACKET_BUFFERS; j++) {
 902                         data[i++] = adapter->stats.pxonrxc[j];
 903                         data[i++] = adapter->stats.pxoffrxc[j];
 904                 }
 905         }
 906 }
 907
 908 static void ixgbe_get_strings(struct net_device *netdev, u32 stringset,
 909                               u8 *data)
 910 {
 911         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 912         char *p = (char *)data;
 913         int i;
 914
 915         switch (stringset) {
 916         case ETH_SS_STATS:
 917                 for (i = 0; i < IXGBE_GLOBAL_STATS_LEN; i++) {
 918                         memcpy(p, ixgbe_gstrings_stats[i].stat_string,
 919                                ETH_GSTRING_LEN);
 920                         p += ETH_GSTRING_LEN;
 921                 }
 922                 for (i = 0; i < adapter->num_tx_queues; i++) {
 923                         sprintf(p, "tx_queue_%u_packets", i);
 924                         p += ETH_GSTRING_LEN;
 925                         sprintf(p, "tx_queue_%u_bytes", i);
 926                         p += ETH_GSTRING_LEN;
 927                 }
 928                 for (i = 0; i < adapter->num_rx_queues; i++) {
 929                         sprintf(p, "rx_queue_%u_packets", i);
 930                         p += ETH_GSTRING_LEN;
 931                         sprintf(p, "rx_queue_%u_bytes", i);
 932                         p += ETH_GSTRING_LEN;
 933                 }
 934                 if (adapter->flags & IXGBE_FLAG_DCB_ENABLED) {
 935                         for (i = 0; i < MAX_TX_PACKET_BUFFERS; i++) {
 936                                 sprintf(p, "tx_pb_%u_pxon", i);
 937                                 p += ETH_GSTRING_LEN;
 938                                 sprintf(p, "tx_pb_%u_pxoff", i);
 939                                 p += ETH_GSTRING_LEN;
 940                         }
 941                         for (i = 0; i < MAX_RX_PACKET_BUFFERS; i++) {
 942                                 sprintf(p, "rx_pb_%u_pxon", i);
 943                                 p += ETH_GSTRING_LEN;
 944                                 sprintf(p, "rx_pb_%u_pxoff", i);
 945                                 p += ETH_GSTRING_LEN;
 946                         }
 947                 }
 948                 /* BUG_ON(p - data != IXGBE_STATS_LEN * ETH_GSTRING_LEN); */
 949                 break;
 950         }
 951 }
 952
 953
 954 static int ixgbe_wol_exclusion(struct ixgbe_adapter *adapter,
 955                                struct ethtool_wolinfo *wol)
 956 {
 957         struct ixgbe_hw *hw = &adapter->hw;
 958         int retval = 1;
 959
 960         switch(hw->device_id) {
 961         case IXGBE_DEV_ID_82599_KX4:
 962                 retval = 0;
 963                 break;
 964         default:
 965                 wol->supported = 0;
 966                 retval = 0;
 967         }
 968
 969         return retval;
 970 }
 971
 972 static void ixgbe_get_wol(struct net_device *netdev,
 973                           struct ethtool_wolinfo *wol)
 974 {
 975         struct ixgbe_adapter *adapter = netdev_priv(netdev);
 976
 977         wol->supported = WAKE_UCAST | WAKE_MCAST |
 978                          WAKE_BCAST | WAKE_MAGIC;
 979         wol->wolopts = 0;
 980
 981         if (ixgbe_wol_exclusion(adapter, wol) ||
 982             !device_can_wakeup(&adapter->pdev->dev))
 983                 return;
 984
 985         if (adapter->wol & IXGBE_WUFC_EX)
 986                 wol->wolopts |= WAKE_UCAST;
 987         if (adapter->wol & IXGBE_WUFC_MC)
 988                 wol->wolopts |= WAKE_MCAST;
 989         if (adapter->wol & IXGBE_WUFC_BC)
 990                 wol->wolopts |= WAKE_BCAST;
 991         if (adapter->wol & IXGBE_WUFC_MAG)
 992                 wol->wolopts |= WAKE_MAGIC;
 993
 994         return;
 995 }
 996
 997 static int ixgbe_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
 998 {
 999         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1000
1001         if (wol->wolopts & (WAKE_PHY | WAKE_ARP | WAKE_MAGICSECURE))
1002                 return -EOPNOTSUPP;
1003
1004         if (ixgbe_wol_exclusion(adapter, wol))
1005                 return wol->wolopts ? -EOPNOTSUPP : 0;
1006
1007         adapter->wol = 0;
1008
1009         if (wol->wolopts & WAKE_UCAST)
1010                 adapter->wol |= IXGBE_WUFC_EX;
1011         if (wol->wolopts & WAKE_MCAST)
1012                 adapter->wol |= IXGBE_WUFC_MC;
1013         if (wol->wolopts & WAKE_BCAST)
1014                 adapter->wol |= IXGBE_WUFC_BC;
1015         if (wol->wolopts & WAKE_MAGIC)
1016                 adapter->wol |= IXGBE_WUFC_MAG;
1017
1018         device_set_wakeup_enable(&adapter->pdev->dev, adapter->wol);
1019
1020         return 0;
1021 }
1022
1023 static int ixgbe_nway_reset(struct net_device *netdev)
1024 {
1025         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1026
1027         if (netif_running(netdev))
1028                 ixgbe_reinit_locked(adapter);
1029
1030         return 0;
1031 }
1032
1033 static int ixgbe_phys_id(struct net_device *netdev, u32 data)
1034 {
1035         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1036         struct ixgbe_hw *hw = &adapter->hw;
1037         u32 led_reg = IXGBE_READ_REG(hw, IXGBE_LEDCTL);
1038         u32 i;
1039
1040         if (!data || data > 300)
1041                 data = 300;
1042
1043         for (i = 0; i < (data * 1000); i += 400) {
1044                 hw->mac.ops.led_on(hw, IXGBE_LED_ON);
1045                 msleep_interruptible(200);
1046                 hw->mac.ops.led_off(hw, IXGBE_LED_ON);
1047                 msleep_interruptible(200);
1048         }
1049
1050         /* Restore LED settings */
1051         IXGBE_WRITE_REG(&adapter->hw, IXGBE_LEDCTL, led_reg);
1052
1053         return 0;
1054 }
1055
1056 static int ixgbe_get_coalesce(struct net_device *netdev,
1057                               struct ethtool_coalesce *ec)
1058 {
1059         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1060
1061         ec->tx_max_coalesced_frames_irq = adapter->tx_ring[0].work_limit;
1062
1063         /* only valid if in constant ITR mode */
1064         switch (adapter->itr_setting) {
1065         case 0:
1066                 /* throttling disabled */
1067                 ec->rx_coalesce_usecs = 0;
1068                 break;
1069         case 1:
1070                 /* dynamic ITR mode */
1071                 ec->rx_coalesce_usecs = 1;
1072                 break;
1073         default:
1074                 /* fixed interrupt rate mode */
1075                 ec->rx_coalesce_usecs = 1000000/adapter->eitr_param;
1076                 break;
1077         }
1078         return 0;
1079 }
1080
1081 static int ixgbe_set_coalesce(struct net_device *netdev,
1082                               struct ethtool_coalesce *ec)
1083 {
1084         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1085         int i;
1086
1087         if (ec->tx_max_coalesced_frames_irq)
1088                 adapter->tx_ring[0].work_limit = ec->tx_max_coalesced_frames_irq;
1089
1090         if (ec->rx_coalesce_usecs > 1) {
1091                 /* check the limits */
1092                 if ((1000000/ec->rx_coalesce_usecs > IXGBE_MAX_INT_RATE) ||
1093                     (1000000/ec->rx_coalesce_usecs < IXGBE_MIN_INT_RATE))
1094                         return -EINVAL;
1095
1096                 /* store the value in ints/second */
1097                 adapter->eitr_param = 1000000/ec->rx_coalesce_usecs;
1098
1099                 /* static value of interrupt rate */
1100                 adapter->itr_setting = adapter->eitr_param;
1101                 /* clear the lower bit as its used for dynamic state */
1102                 adapter->itr_setting &= ~1;
1103         } else if (ec->rx_coalesce_usecs == 1) {
1104                 /* 1 means dynamic mode */
1105                 adapter->eitr_param = 20000;
1106                 adapter->itr_setting = 1;
1107         } else {
1108                 /*
1109                  * any other value means disable eitr, which is best
1110                  * served by setting the interrupt rate very high
1111                  */
1112                 adapter->eitr_param = IXGBE_MAX_INT_RATE;
1113                 adapter->itr_setting = 0;
1114         }
1115
1116         for (i = 0; i < adapter->num_msix_vectors - NON_Q_VECTORS; i++) {
1117                 struct ixgbe_q_vector *q_vector = adapter->q_vector[i];
1118                 if (q_vector->txr_count && !q_vector->rxr_count)
1119                         /* tx vector gets half the rate */
1120                         q_vector->eitr = (adapter->eitr_param >> 1);
1121                 else
1122                         /* rx only or mixed */
1123                         q_vector->eitr = adapter->eitr_param;
1124                 ixgbe_write_eitr(adapter, i,
1125                                  EITR_INTS_PER_SEC_TO_REG(q_vector->eitr));
1126         }
1127
1128         return 0;
1129 }
1130
1131 static int ixgbe_set_flags(struct net_device *netdev, u32 data)
1132 {
1133         struct ixgbe_adapter *adapter = netdev_priv(netdev);
1134
1135         ethtool_op_set_flags(netdev, data);
1136
1137         if (!(adapter->flags & IXGBE_FLAG_RSC_CAPABLE))
1138                 return 0;
1139
1140         /* if state changes we need to update adapter->flags and reset */
1141         if ((!!(data & ETH_FLAG_LRO)) !=
1142             (!!(adapter->flags & IXGBE_FLAG_RSC_ENABLED))) {
1143                 adapter->flags ^= IXGBE_FLAG_RSC_ENABLED;
1144                 if (netif_running(netdev))
1145                         ixgbe_reinit_locked(adapter);
1146                 else
1147                         ixgbe_reset(adapter);
1148         }
1149         return 0;
1150
1151 }
1152
1153 static const struct ethtool_ops ixgbe_ethtool_ops = {
1154         .get_settings           = ixgbe_get_settings,
1155         .set_settings           = ixgbe_set_settings,
1156         .get_drvinfo            = ixgbe_get_drvinfo,
1157         .get_regs_len           = ixgbe_get_regs_len,
1158         .get_regs               = ixgbe_get_regs,
1159         .get_wol                = ixgbe_get_wol,
1160         .set_wol                = ixgbe_set_wol,
1161         .nway_reset             = ixgbe_nway_reset,
1162         .get_link               = ethtool_op_get_link,
1163         .get_eeprom_len         = ixgbe_get_eeprom_len,
1164         .get_eeprom             = ixgbe_get_eeprom,
1165         .get_ringparam          = ixgbe_get_ringparam,
1166         .set_ringparam          = ixgbe_set_ringparam,
1167         .get_pauseparam         = ixgbe_get_pauseparam,
1168         .set_pauseparam         = ixgbe_set_pauseparam,
1169         .get_rx_csum            = ixgbe_get_rx_csum,
1170         .set_rx_csum            = ixgbe_set_rx_csum,
1171         .get_tx_csum            = ixgbe_get_tx_csum,
1172         .set_tx_csum            = ixgbe_set_tx_csum,
1173         .get_sg                 = ethtool_op_get_sg,
1174         .set_sg                 = ethtool_op_set_sg,
1175         .get_msglevel           = ixgbe_get_msglevel,
1176         .set_msglevel           = ixgbe_set_msglevel,
1177         .get_tso                = ethtool_op_get_tso,
1178         .set_tso                = ixgbe_set_tso,
1179         .get_strings            = ixgbe_get_strings,
1180         .phys_id                = ixgbe_phys_id,
1181         .get_sset_count         = ixgbe_get_sset_count,
1182         .get_ethtool_stats      = ixgbe_get_ethtool_stats,
1183         .get_coalesce           = ixgbe_get_coalesce,
1184         .set_coalesce           = ixgbe_set_coalesce,
1185         .get_flags              = ethtool_op_get_flags,
1186         .set_flags              = ixgbe_set_flags,
1187 };
1188
1189 void ixgbe_set_ethtool_ops(struct net_device *netdev)
1190 {
1191         SET_ETHTOOL_OPS(netdev, &ixgbe_ethtool_ops);
1192 }