drivers/net/ixgbe/ixgbe_82599.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 #include <linux/pci.h>
  29 #include <linux/delay.h>
  30 #include <linux/sched.h>
  31
  32 #include "ixgbe.h"
  33 #include "ixgbe_phy.h"
  34
  35 #define IXGBE_82599_MAX_TX_QUEUES 128
  36 #define IXGBE_82599_MAX_RX_QUEUES 128
  37 #define IXGBE_82599_RAR_ENTRIES   128
  38 #define IXGBE_82599_MC_TBL_SIZE   128
  39 #define IXGBE_82599_VFT_TBL_SIZE  128
  40
  41 s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
  42                                       ixgbe_link_speed *speed,
  43                                       bool *autoneg);
  44 enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw);
  45 s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw);
  46 s32 ixgbe_setup_mac_link_speed_multispeed_fiber(struct ixgbe_hw *hw,
  47                                      ixgbe_link_speed speed, bool autoneg,
  48                                      bool autoneg_wait_to_complete);
  49 s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw);
  50 s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw,
  51                                ixgbe_link_speed *speed,
  52                                bool *link_up, bool link_up_wait_to_complete);
  53 s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw,
  54                                      ixgbe_link_speed speed,
  55                                      bool autoneg,
  56                                      bool autoneg_wait_to_complete);
  57 static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
  58                                              ixgbe_link_speed *speed,
  59                                              bool *autoneg);
  60 static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw);
  61 static s32 ixgbe_setup_copper_link_speed_82599(struct ixgbe_hw *hw,
  62                                                ixgbe_link_speed speed,
  63                                                bool autoneg,
  64                                                bool autoneg_wait_to_complete);
  65 s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw);
  66 s32 ixgbe_set_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
  67 s32 ixgbe_clear_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq);
  68 s32 ixgbe_set_vfta_82599(struct ixgbe_hw *hw, u32 vlan,
  69                          u32 vind, bool vlan_on);
  70 s32 ixgbe_clear_vfta_82599(struct ixgbe_hw *hw);
  71 s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw);
  72 s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val);
  73 s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val);
  74 s32 ixgbe_start_hw_rev_0_82599(struct ixgbe_hw *hw);
  75 s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw);
  76 s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw);
  77 u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw);
  78
  79 void ixgbe_init_mac_link_ops_82599(struct ixgbe_hw *hw)
  80 {
  81         struct ixgbe_mac_info *mac = &hw->mac;
  82         if (hw->phy.multispeed_fiber) {
  83                 /* Set up dual speed SFP+ support */
  84                 mac->ops.setup_link =
  85                           &ixgbe_setup_mac_link_multispeed_fiber;
  86                 mac->ops.setup_link_speed =
  87                           &ixgbe_setup_mac_link_speed_multispeed_fiber;
  88         } else {
  89                 mac->ops.setup_link =
  90                           &ixgbe_setup_mac_link_82599;
  91                 mac->ops.setup_link_speed =
  92                           &ixgbe_setup_mac_link_speed_82599;
  93         }
  94 }
  95
  96 s32 ixgbe_setup_sfp_modules_82599(struct ixgbe_hw *hw)
  97 {
  98         s32 ret_val = 0;
  99         u16 list_offset, data_offset, data_value;
 100
 101         if (hw->phy.sfp_type != ixgbe_sfp_type_unknown) {
 102                 ixgbe_init_mac_link_ops_82599(hw);
 103                 ret_val = ixgbe_get_sfp_init_sequence_offsets(hw, &list_offset,
 104                                                               &data_offset);
 105
 106                 if (ret_val != 0)
 107                         goto setup_sfp_out;
 108
 109                 hw->eeprom.ops.read(hw, ++data_offset, &data_value);
 110                 while (data_value != 0xffff) {
 111                         IXGBE_WRITE_REG(hw, IXGBE_CORECTL, data_value);
 112                         IXGBE_WRITE_FLUSH(hw);
 113                         hw->eeprom.ops.read(hw, ++data_offset, &data_value);
 114                 }
 115                 /* Now restart DSP */
 116                 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, 0x00000102);
 117                 IXGBE_WRITE_REG(hw, IXGBE_CORECTL, 0x00000b1d);
 118                 IXGBE_WRITE_FLUSH(hw);
 119         }
 120
 121 setup_sfp_out:
 122         return ret_val;
 123 }
 124
 125 /**
 126  *  ixgbe_get_pcie_msix_count_82599 - Gets MSI-X vector count
 127  *  @hw: pointer to hardware structure
 128  *
 129  *  Read PCIe configuration space, and get the MSI-X vector count from
 130  *  the capabilities table.
 131  **/
 132 u32 ixgbe_get_pcie_msix_count_82599(struct ixgbe_hw *hw)
 133 {
 134         struct ixgbe_adapter *adapter = hw->back;
 135         u16 msix_count;
 136         pci_read_config_word(adapter->pdev, IXGBE_PCIE_MSIX_82599_CAPS,
 137                              &msix_count);
 138         msix_count &= IXGBE_PCIE_MSIX_TBL_SZ_MASK;
 139
 140         /* MSI-X count is zero-based in HW, so increment to give proper value */
 141         msix_count++;
 142
 143         return msix_count;
 144 }
 145
 146 static s32 ixgbe_get_invariants_82599(struct ixgbe_hw *hw)
 147 {
 148         struct ixgbe_mac_info *mac = &hw->mac;
 149         struct ixgbe_phy_info *phy = &hw->phy;
 150         s32 ret_val;
 151
 152         /* Set the bus information prior to PHY identification */
 153         mac->ops.get_bus_info(hw);
 154
 155         /* Call PHY identify routine to get the Cu or SFI phy type */
 156         ret_val = phy->ops.identify(hw);
 157
 158         if (ret_val == IXGBE_ERR_SFP_NOT_SUPPORTED)
 159                 goto get_invariants_out;
 160
 161         ixgbe_init_mac_link_ops_82599(hw);
 162
 163         /* Setup SFP module if there is one present. */
 164         ret_val = mac->ops.setup_sfp(hw);
 165
 166         /* If copper media, overwrite with copper function pointers */
 167         if (mac->ops.get_media_type(hw) == ixgbe_media_type_copper) {
 168                 mac->ops.setup_link = &ixgbe_setup_copper_link_82599;
 169                 mac->ops.setup_link_speed =
 170                                   &ixgbe_setup_copper_link_speed_82599;
 171                 mac->ops.get_link_capabilities =
 172                                   &ixgbe_get_copper_link_capabilities_82599;
 173         }
 174
 175         /* PHY Init */
 176         switch (hw->phy.type) {
 177         case ixgbe_phy_tn:
 178                 phy->ops.check_link = &ixgbe_check_phy_link_tnx;
 179                 phy->ops.get_firmware_version =
 180                                   &ixgbe_get_phy_firmware_version_tnx;
 181                 break;
 182         default:
 183                 break;
 184         }
 185
 186         mac->mcft_size = IXGBE_82599_MC_TBL_SIZE;
 187         mac->vft_size = IXGBE_82599_VFT_TBL_SIZE;
 188         mac->num_rar_entries = IXGBE_82599_RAR_ENTRIES;
 189         mac->max_rx_queues = IXGBE_82599_MAX_RX_QUEUES;
 190         mac->max_tx_queues = IXGBE_82599_MAX_TX_QUEUES;
 191         mac->max_msix_vectors = ixgbe_get_pcie_msix_count_82599(hw);
 192
 193 get_invariants_out:
 194         return ret_val;
 195 }
 196
 197 /**
 198  *  ixgbe_get_link_capabilities_82599 - Determines link capabilities
 199  *  @hw: pointer to hardware structure
 200  *  @speed: pointer to link speed
 201  *  @negotiation: true when autoneg or autotry is enabled
 202  *
 203  *  Determines the link capabilities by reading the AUTOC register.
 204  **/
 205 s32 ixgbe_get_link_capabilities_82599(struct ixgbe_hw *hw,
 206                                       ixgbe_link_speed *speed,
 207                                       bool *negotiation)
 208 {
 209         s32 status = 0;
 210
 211         switch (hw->mac.orig_autoc & IXGBE_AUTOC_LMS_MASK) {
 212         case IXGBE_AUTOC_LMS_1G_LINK_NO_AN:
 213                 *speed = IXGBE_LINK_SPEED_1GB_FULL;
 214                 *negotiation = false;
 215                 break;
 216
 217         case IXGBE_AUTOC_LMS_10G_LINK_NO_AN:
 218                 *speed = IXGBE_LINK_SPEED_10GB_FULL;
 219                 *negotiation = false;
 220                 break;
 221
 222         case IXGBE_AUTOC_LMS_1G_AN:
 223                 *speed = IXGBE_LINK_SPEED_1GB_FULL;
 224                 *negotiation = true;
 225                 break;
 226
 227         case IXGBE_AUTOC_LMS_10G_SERIAL:
 228                 *speed = IXGBE_LINK_SPEED_10GB_FULL;
 229                 *negotiation = false;
 230                 break;
 231
 232         case IXGBE_AUTOC_LMS_KX4_KX_KR:
 233         case IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN:
 234                 *speed = IXGBE_LINK_SPEED_UNKNOWN;
 235                 if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
 236                         *speed |= IXGBE_LINK_SPEED_10GB_FULL;
 237                 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
 238                         *speed |= IXGBE_LINK_SPEED_10GB_FULL;
 239                 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
 240                         *speed |= IXGBE_LINK_SPEED_1GB_FULL;
 241                 *negotiation = true;
 242                 break;
 243
 244         case IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII:
 245                 *speed = IXGBE_LINK_SPEED_100_FULL;
 246                 if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
 247                         *speed |= IXGBE_LINK_SPEED_10GB_FULL;
 248                 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
 249                         *speed |= IXGBE_LINK_SPEED_10GB_FULL;
 250                 if (hw->mac.orig_autoc & IXGBE_AUTOC_KX_SUPP)
 251                         *speed |= IXGBE_LINK_SPEED_1GB_FULL;
 252                 *negotiation = true;
 253                 break;
 254
 255         case IXGBE_AUTOC_LMS_SGMII_1G_100M:
 256                 *speed = IXGBE_LINK_SPEED_1GB_FULL | IXGBE_LINK_SPEED_100_FULL;
 257                 *negotiation = false;
 258                 break;
 259
 260         default:
 261                 status = IXGBE_ERR_LINK_SETUP;
 262                 goto out;
 263                 break;
 264         }
 265
 266         if (hw->phy.multispeed_fiber) {
 267                 *speed |= IXGBE_LINK_SPEED_10GB_FULL |
 268                           IXGBE_LINK_SPEED_1GB_FULL;
 269                 *negotiation = true;
 270         }
 271
 272 out:
 273         return status;
 274 }
 275
 276 /**
 277  *  ixgbe_get_copper_link_capabilities_82599 - Determines link capabilities
 278  *  @hw: pointer to hardware structure
 279  *  @speed: pointer to link speed
 280  *  @autoneg: boolean auto-negotiation value
 281  *
 282  *  Determines the link capabilities by reading the AUTOC register.
 283  **/
 284 static s32 ixgbe_get_copper_link_capabilities_82599(struct ixgbe_hw *hw,
 285                                                     ixgbe_link_speed *speed,
 286                                                     bool *autoneg)
 287 {
 288         s32 status = IXGBE_ERR_LINK_SETUP;
 289         u16 speed_ability;
 290
 291         *speed = 0;
 292         *autoneg = true;
 293
 294         status = hw->phy.ops.read_reg(hw, IXGBE_MDIO_PHY_SPEED_ABILITY,
 295                                       IXGBE_MDIO_PMA_PMD_DEV_TYPE,
 296                                       &speed_ability);
 297
 298         if (status == 0) {
 299                 if (speed_ability & IXGBE_MDIO_PHY_SPEED_10G)
 300                     *speed |= IXGBE_LINK_SPEED_10GB_FULL;
 301                 if (speed_ability & IXGBE_MDIO_PHY_SPEED_1G)
 302                     *speed |= IXGBE_LINK_SPEED_1GB_FULL;
 303         }
 304
 305         return status;
 306 }
 307
 308 /**
 309  *  ixgbe_get_media_type_82599 - Get media type
 310  *  @hw: pointer to hardware structure
 311  *
 312  *  Returns the media type (fiber, copper, backplane)
 313  **/
 314 enum ixgbe_media_type ixgbe_get_media_type_82599(struct ixgbe_hw *hw)
 315 {
 316         enum ixgbe_media_type media_type;
 317
 318         /* Detect if there is a copper PHY attached. */
 319         if (hw->phy.type == ixgbe_phy_cu_unknown ||
 320             hw->phy.type == ixgbe_phy_tn) {
 321                 media_type = ixgbe_media_type_copper;
 322                 goto out;
 323         }
 324
 325         switch (hw->device_id) {
 326         case IXGBE_DEV_ID_82599:
 327         case IXGBE_DEV_ID_82599_KX4:
 328                 /* Default device ID is mezzanine card KX/KX4 */
 329                 media_type = ixgbe_media_type_backplane;
 330                 break;
 331         case IXGBE_DEV_ID_82599_SFP:
 332                 media_type = ixgbe_media_type_fiber;
 333                 break;
 334         default:
 335                 media_type = ixgbe_media_type_unknown;
 336                 break;
 337         }
 338 out:
 339         return media_type;
 340 }
 341
 342 /**
 343  *  ixgbe_setup_mac_link_82599 - Setup MAC link settings
 344  *  @hw: pointer to hardware structure
 345  *
 346  *  Configures link settings based on values in the ixgbe_hw struct.
 347  *  Restarts the link.  Performs autonegotiation if needed.
 348  **/
 349 s32 ixgbe_setup_mac_link_82599(struct ixgbe_hw *hw)
 350 {
 351         u32 autoc_reg;
 352         u32 links_reg;
 353         u32 i;
 354         s32 status = 0;
 355
 356         /* Restart link */
 357         autoc_reg = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 358         autoc_reg |= IXGBE_AUTOC_AN_RESTART;
 359         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc_reg);
 360
 361         /* Only poll for autoneg to complete if specified to do so */
 362         if (hw->phy.autoneg_wait_to_complete) {
 363                 if ((autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
 364                      IXGBE_AUTOC_LMS_KX4_KX_KR ||
 365                     (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
 366                      IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
 367                     (autoc_reg & IXGBE_AUTOC_LMS_MASK) ==
 368                      IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
 369                         links_reg = 0; /* Just in case Autoneg time = 0 */
 370                         for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
 371                                 links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
 372                                 if (links_reg & IXGBE_LINKS_KX_AN_COMP)
 373                                         break;
 374                                 msleep(100);
 375                         }
 376                         if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
 377                                 status = IXGBE_ERR_AUTONEG_NOT_COMPLETE;
 378                                 hw_dbg(hw, "Autoneg did not complete.\n");
 379                         }
 380                 }
 381         }
 382
 383         /* Set up flow control */
 384         status = ixgbe_setup_fc_generic(hw, 0);
 385
 386         /* Add delay to filter out noises during initial link setup */
 387         msleep(50);
 388
 389         return status;
 390 }
 391
 392 /**
 393  *  ixgbe_setup_mac_link_multispeed_fiber - Setup MAC link settings
 394  *  @hw: pointer to hardware structure
 395  *
 396  *  Configures link settings based on values in the ixgbe_hw struct.
 397  *  Restarts the link for multi-speed fiber at 1G speed, if link
 398  *  fails at 10G.
 399  *  Performs autonegotiation if needed.
 400  **/
 401 s32 ixgbe_setup_mac_link_multispeed_fiber(struct ixgbe_hw *hw)
 402 {
 403         s32 status = 0;
 404         ixgbe_link_speed link_speed = IXGBE_LINK_SPEED_82599_AUTONEG;
 405         status = ixgbe_setup_mac_link_speed_multispeed_fiber(hw, link_speed,
 406                                                              true, true);
 407         return status;
 408 }
 409
 410 /**
 411  *  ixgbe_setup_mac_link_speed_multispeed_fiber - Set MAC link speed
 412  *  @hw: pointer to hardware structure
 413  *  @speed: new link speed
 414  *  @autoneg: true if autonegotiation enabled
 415  *  @autoneg_wait_to_complete: true when waiting for completion is needed
 416  *
 417  *  Set the link speed in the AUTOC register and restarts link.
 418  **/
 419 s32 ixgbe_setup_mac_link_speed_multispeed_fiber(struct ixgbe_hw *hw,
 420                                                 ixgbe_link_speed speed,
 421                                                 bool autoneg,
 422                                                 bool autoneg_wait_to_complete)
 423 {
 424         s32 status = 0;
 425         ixgbe_link_speed phy_link_speed;
 426         ixgbe_link_speed highest_link_speed = IXGBE_LINK_SPEED_UNKNOWN;
 427         u32 speedcnt = 0;
 428         u32 esdp_reg = IXGBE_READ_REG(hw, IXGBE_ESDP);
 429         bool link_up = false;
 430         bool negotiation;
 431
 432         /* Mask off requested but non-supported speeds */
 433         hw->mac.ops.get_link_capabilities(hw, &phy_link_speed, &negotiation);
 434         speed &= phy_link_speed;
 435
 436         /*
 437          * Try each speed one by one, highest priority first.  We do this in
 438          * software because 10gb fiber doesn't support speed autonegotiation.
 439          */
 440         if (speed & IXGBE_LINK_SPEED_10GB_FULL) {
 441                 speedcnt++;
 442                 highest_link_speed = IXGBE_LINK_SPEED_10GB_FULL;
 443
 444                 /* Set hardware SDP's */
 445                 esdp_reg |= (IXGBE_ESDP_SDP5_DIR | IXGBE_ESDP_SDP5);
 446                 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
 447
 448                 ixgbe_setup_mac_link_speed_82599(hw,
 449                                                  IXGBE_LINK_SPEED_10GB_FULL,
 450                                                  autoneg,
 451                                                  autoneg_wait_to_complete);
 452
 453                 msleep(50);
 454
 455                 /* If we have link, just jump out */
 456                 hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
 457                 if (link_up)
 458                         goto out;
 459         }
 460
 461         if (speed & IXGBE_LINK_SPEED_1GB_FULL) {
 462                 speedcnt++;
 463                 if (highest_link_speed == IXGBE_LINK_SPEED_UNKNOWN)
 464                         highest_link_speed = IXGBE_LINK_SPEED_1GB_FULL;
 465
 466                 /* Set hardware SDP's */
 467                 esdp_reg &= ~IXGBE_ESDP_SDP5;
 468                 esdp_reg |= IXGBE_ESDP_SDP5_DIR;
 469                 IXGBE_WRITE_REG(hw, IXGBE_ESDP, esdp_reg);
 470
 471                 ixgbe_setup_mac_link_speed_82599(
 472                         hw, IXGBE_LINK_SPEED_1GB_FULL, autoneg,
 473                         autoneg_wait_to_complete);
 474
 475                 msleep(50);
 476
 477                 /* If we have link, just jump out */
 478                 hw->mac.ops.check_link(hw, &phy_link_speed, &link_up, false);
 479                 if (link_up)
 480                         goto out;
 481         }
 482
 483         /*
 484          * We didn't get link.  Configure back to the highest speed we tried,
 485          * (if there was more than one).  We call ourselves back with just the
 486          * single highest speed that the user requested.
 487          */
 488         if (speedcnt > 1)
 489                 status = ixgbe_setup_mac_link_speed_multispeed_fiber(hw,
 490                                                      highest_link_speed,
 491                                                      autoneg,
 492                                                      autoneg_wait_to_complete);
 493
 494 out:
 495         return status;
 496 }
 497
 498 /**
 499  *  ixgbe_check_mac_link_82599 - Determine link and speed status
 500  *  @hw: pointer to hardware structure
 501  *  @speed: pointer to link speed
 502  *  @link_up: true when link is up
 503  *  @link_up_wait_to_complete: bool used to wait for link up or not
 504  *
 505  *  Reads the links register to determine if link is up and the current speed
 506  **/
 507 s32 ixgbe_check_mac_link_82599(struct ixgbe_hw *hw, ixgbe_link_speed *speed,
 508                                bool *link_up, bool link_up_wait_to_complete)
 509 {
 510         u32 links_reg;
 511         u32 i;
 512
 513         links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
 514         if (link_up_wait_to_complete) {
 515                 for (i = 0; i < IXGBE_LINK_UP_TIME; i++) {
 516                         if (links_reg & IXGBE_LINKS_UP) {
 517                                 *link_up = true;
 518                                 break;
 519                         } else {
 520                                 *link_up = false;
 521                         }
 522                         msleep(100);
 523                         links_reg = IXGBE_READ_REG(hw, IXGBE_LINKS);
 524                 }
 525         } else {
 526                 if (links_reg & IXGBE_LINKS_UP)
 527                         *link_up = true;
 528                 else
 529                         *link_up = false;
 530         }
 531
 532         if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
 533             IXGBE_LINKS_SPEED_10G_82599)
 534                 *speed = IXGBE_LINK_SPEED_10GB_FULL;
 535         else if ((links_reg & IXGBE_LINKS_SPEED_82599) ==
 536                  IXGBE_LINKS_SPEED_1G_82599)
 537                 *speed = IXGBE_LINK_SPEED_1GB_FULL;
 538         else
 539                 *speed = IXGBE_LINK_SPEED_100_FULL;
 540
 541
 542         return 0;
 543 }
 544
 545 /**
 546  *  ixgbe_setup_mac_link_speed_82599 - Set MAC link speed
 547  *  @hw: pointer to hardware structure
 548  *  @speed: new link speed
 549  *  @autoneg: true if autonegotiation enabled
 550  *  @autoneg_wait_to_complete: true when waiting for completion is needed
 551  *
 552  *  Set the link speed in the AUTOC register and restarts link.
 553  **/
 554 s32 ixgbe_setup_mac_link_speed_82599(struct ixgbe_hw *hw,
 555                                      ixgbe_link_speed speed, bool autoneg,
 556                                      bool autoneg_wait_to_complete)
 557 {
 558         s32 status = 0;
 559         u32 autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 560         u32 autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 561         u32 link_mode = autoc & IXGBE_AUTOC_LMS_MASK;
 562         u32 pma_pmd_1g = autoc & IXGBE_AUTOC_1G_PMA_PMD_MASK;
 563         u32 pma_pmd_10g_serial = autoc2 & IXGBE_AUTOC2_10G_SERIAL_PMA_PMD_MASK;
 564         u32 links_reg;
 565         u32 i;
 566         ixgbe_link_speed link_capabilities = IXGBE_LINK_SPEED_UNKNOWN;
 567
 568         /* Check to see if speed passed in is supported. */
 569         hw->mac.ops.get_link_capabilities(hw, &link_capabilities, &autoneg);
 570         speed &= link_capabilities;
 571
 572         if (speed == IXGBE_LINK_SPEED_UNKNOWN) {
 573                 status = IXGBE_ERR_LINK_SETUP;
 574         } else if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
 575                    link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
 576                    link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
 577                 /* Set KX4/KX/KR support according to speed requested */
 578                 autoc &= ~(IXGBE_AUTOC_KX4_KX_SUPP_MASK | IXGBE_AUTOC_KR_SUPP);
 579                 if (speed & IXGBE_LINK_SPEED_10GB_FULL)
 580                         if (hw->mac.orig_autoc & IXGBE_AUTOC_KX4_SUPP)
 581                                 autoc |= IXGBE_AUTOC_KX4_SUPP;
 582                         if (hw->mac.orig_autoc & IXGBE_AUTOC_KR_SUPP)
 583                                 autoc |= IXGBE_AUTOC_KR_SUPP;
 584                 if (speed & IXGBE_LINK_SPEED_1GB_FULL)
 585                         autoc |= IXGBE_AUTOC_KX_SUPP;
 586         } else if ((pma_pmd_1g == IXGBE_AUTOC_1G_SFI) &&
 587                    (link_mode == IXGBE_AUTOC_LMS_1G_LINK_NO_AN ||
 588                     link_mode == IXGBE_AUTOC_LMS_1G_AN)) {
 589                 /* Switch from 1G SFI to 10G SFI if requested */
 590                 if ((speed == IXGBE_LINK_SPEED_10GB_FULL) &&
 591                     (pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI)) {
 592                         autoc &= ~IXGBE_AUTOC_LMS_MASK;
 593                         autoc |= IXGBE_AUTOC_LMS_10G_SERIAL;
 594                 }
 595         } else if ((pma_pmd_10g_serial == IXGBE_AUTOC2_10G_SFI) &&
 596                    (link_mode == IXGBE_AUTOC_LMS_10G_SERIAL)) {
 597                 /* Switch from 10G SFI to 1G SFI if requested */
 598                 if ((speed == IXGBE_LINK_SPEED_1GB_FULL) &&
 599                     (pma_pmd_1g == IXGBE_AUTOC_1G_SFI)) {
 600                         autoc &= ~IXGBE_AUTOC_LMS_MASK;
 601                         if (autoneg)
 602                                 autoc |= IXGBE_AUTOC_LMS_1G_AN;
 603                         else
 604                                 autoc |= IXGBE_AUTOC_LMS_1G_LINK_NO_AN;
 605                 }
 606         }
 607
 608         if (status == 0) {
 609                 /* Restart link */
 610                 autoc |= IXGBE_AUTOC_AN_RESTART;
 611                 IXGBE_WRITE_REG(hw, IXGBE_AUTOC, autoc);
 612
 613                 /* Only poll for autoneg to complete if specified to do so */
 614                 if (autoneg_wait_to_complete) {
 615                         if (link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR ||
 616                             link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_1G_AN ||
 617                             link_mode == IXGBE_AUTOC_LMS_KX4_KX_KR_SGMII) {
 618                                 links_reg = 0; /*Just in case Autoneg time=0*/
 619                                 for (i = 0; i < IXGBE_AUTO_NEG_TIME; i++) {
 620                                         links_reg =
 621                                                IXGBE_READ_REG(hw, IXGBE_LINKS);
 622                                         if (links_reg & IXGBE_LINKS_KX_AN_COMP)
 623                                                 break;
 624                                         msleep(100);
 625                                 }
 626                                 if (!(links_reg & IXGBE_LINKS_KX_AN_COMP)) {
 627                                         status =
 628                                                 IXGBE_ERR_AUTONEG_NOT_COMPLETE;
 629                                         hw_dbg(hw, "Autoneg did not "
 630                                                "complete.\n");
 631                                 }
 632                         }
 633                 }
 634
 635                 /* Set up flow control */
 636                 status = ixgbe_setup_fc_generic(hw, 0);
 637
 638                 /* Add delay to filter out noises during initial link setup */
 639                 msleep(50);
 640         }
 641
 642         return status;
 643 }
 644
 645 /**
 646  *  ixgbe_setup_copper_link_82599 - Setup copper link settings
 647  *  @hw: pointer to hardware structure
 648  *
 649  *  Restarts the link on PHY and then MAC. Performs autonegotiation if needed.
 650  **/
 651 static s32 ixgbe_setup_copper_link_82599(struct ixgbe_hw *hw)
 652 {
 653         s32 status;
 654
 655         /* Restart autonegotiation on PHY */
 656         status = hw->phy.ops.setup_link(hw);
 657
 658         /* Set up MAC */
 659         ixgbe_setup_mac_link_82599(hw);
 660
 661         return status;
 662 }
 663
 664 /**
 665  *  ixgbe_setup_copper_link_speed_82599 - Set the PHY autoneg advertised field
 666  *  @hw: pointer to hardware structure
 667  *  @speed: new link speed
 668  *  @autoneg: true if autonegotiation enabled
 669  *  @autoneg_wait_to_complete: true if waiting is needed to complete
 670  *
 671  *  Restarts link on PHY and MAC based on settings passed in.
 672  **/
 673 static s32 ixgbe_setup_copper_link_speed_82599(struct ixgbe_hw *hw,
 674                                                ixgbe_link_speed speed,
 675                                                bool autoneg,
 676                                                bool autoneg_wait_to_complete)
 677 {
 678         s32 status;
 679
 680         /* Setup the PHY according to input speed */
 681         status = hw->phy.ops.setup_link_speed(hw, speed, autoneg,
 682                                               autoneg_wait_to_complete);
 683         /* Set up MAC */
 684         ixgbe_setup_mac_link_82599(hw);
 685
 686         return status;
 687 }
 688
 689 /**
 690  *  ixgbe_reset_hw_82599 - Perform hardware reset
 691  *  @hw: pointer to hardware structure
 692  *
 693  *  Resets the hardware by resetting the transmit and receive units, masks
 694  *  and clears all interrupts, perform a PHY reset, and perform a link (MAC)
 695  *  reset.
 696  **/
 697 s32 ixgbe_reset_hw_82599(struct ixgbe_hw *hw)
 698 {
 699         s32 status = 0;
 700         u32 ctrl, ctrl_ext;
 701         u32 i;
 702         u32 autoc;
 703         u32 autoc2;
 704
 705         /* Call adapter stop to disable tx/rx and clear interrupts */
 706         hw->mac.ops.stop_adapter(hw);
 707
 708         /* Reset PHY */
 709         hw->phy.ops.reset(hw);
 710
 711         /*
 712          * Prevent the PCI-E bus from from hanging by disabling PCI-E master
 713          * access and verify no pending requests before reset
 714          */
 715         if (ixgbe_disable_pcie_master(hw) != 0) {
 716                 status = IXGBE_ERR_MASTER_REQUESTS_PENDING;
 717                 hw_dbg(hw, "PCI-E Master disable polling has failed.\n");
 718         }
 719
 720         /*
 721          * Issue global reset to the MAC.  This needs to be a SW reset.
 722          * If link reset is used, it might reset the MAC when mng is using it
 723          */
 724         ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
 725         IXGBE_WRITE_REG(hw, IXGBE_CTRL, (ctrl | IXGBE_CTRL_RST));
 726         IXGBE_WRITE_FLUSH(hw);
 727
 728         /* Poll for reset bit to self-clear indicating reset is complete */
 729         for (i = 0; i < 10; i++) {
 730                 udelay(1);
 731                 ctrl = IXGBE_READ_REG(hw, IXGBE_CTRL);
 732                 if (!(ctrl & IXGBE_CTRL_RST))
 733                         break;
 734         }
 735         if (ctrl & IXGBE_CTRL_RST) {
 736                 status = IXGBE_ERR_RESET_FAILED;
 737                 hw_dbg(hw, "Reset polling failed to complete.\n");
 738         }
 739         /* Clear PF Reset Done bit so PF/VF Mail Ops can work */
 740         ctrl_ext = IXGBE_READ_REG(hw, IXGBE_CTRL_EXT);
 741         ctrl_ext |= IXGBE_CTRL_EXT_PFRSTD;
 742         IXGBE_WRITE_REG(hw, IXGBE_CTRL_EXT, ctrl_ext);
 743
 744         msleep(50);
 745
 746
 747
 748         /*
 749          * Store the original AUTOC/AUTOC2 values if they have not been
 750          * stored off yet.  Otherwise restore the stored original
 751          * values since the reset operation sets back to defaults.
 752          */
 753         autoc = IXGBE_READ_REG(hw, IXGBE_AUTOC);
 754         autoc2 = IXGBE_READ_REG(hw, IXGBE_AUTOC2);
 755         if (hw->mac.orig_link_settings_stored == false) {
 756                 hw->mac.orig_autoc = autoc;
 757                 hw->mac.orig_autoc2 = autoc2;
 758                 hw->mac.orig_link_settings_stored = true;
 759         } else {
 760                 if (autoc != hw->mac.orig_autoc)
 761                         IXGBE_WRITE_REG(hw, IXGBE_AUTOC, (hw->mac.orig_autoc |
 762                                         IXGBE_AUTOC_AN_RESTART));
 763
 764                 if ((autoc2 & IXGBE_AUTOC2_UPPER_MASK) !=
 765                     (hw->mac.orig_autoc2 & IXGBE_AUTOC2_UPPER_MASK)) {
 766                         autoc2 &= ~IXGBE_AUTOC2_UPPER_MASK;
 767                         autoc2 |= (hw->mac.orig_autoc2 &
 768                                    IXGBE_AUTOC2_UPPER_MASK);
 769                         IXGBE_WRITE_REG(hw, IXGBE_AUTOC2, autoc2);
 770                 }
 771         }
 772
 773         /* Store the permanent mac address */
 774         hw->mac.ops.get_mac_addr(hw, hw->mac.perm_addr);
 775
 776         return status;
 777 }
 778
 779 /**
 780  *  ixgbe_clear_vmdq_82599 - Disassociate a VMDq pool index from a rx address
 781  *  @hw: pointer to hardware struct
 782  *  @rar: receive address register index to disassociate
 783  *  @vmdq: VMDq pool index to remove from the rar
 784  **/
 785 s32 ixgbe_clear_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
 786 {
 787         u32 mpsar_lo, mpsar_hi;
 788         u32 rar_entries = hw->mac.num_rar_entries;
 789
 790         if (rar < rar_entries) {
 791                 mpsar_lo = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
 792                 mpsar_hi = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
 793
 794                 if (!mpsar_lo && !mpsar_hi)
 795                         goto done;
 796
 797                 if (vmdq == IXGBE_CLEAR_VMDQ_ALL) {
 798                         if (mpsar_lo) {
 799                                 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), 0);
 800                                 mpsar_lo = 0;
 801                         }
 802                         if (mpsar_hi) {
 803                                 IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), 0);
 804                                 mpsar_hi = 0;
 805                         }
 806                 } else if (vmdq < 32) {
 807                         mpsar_lo &= ~(1 << vmdq);
 808                         IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar_lo);
 809                 } else {
 810                         mpsar_hi &= ~(1 << (vmdq - 32));
 811                         IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar_hi);
 812                 }
 813
 814                 /* was that the last pool using this rar? */
 815                 if (mpsar_lo == 0 && mpsar_hi == 0 && rar != 0)
 816                         hw->mac.ops.clear_rar(hw, rar);
 817         } else {
 818                 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
 819         }
 820
 821 done:
 822         return 0;
 823 }
 824
 825 /**
 826  *  ixgbe_set_vmdq_82599 - Associate a VMDq pool index with a rx address
 827  *  @hw: pointer to hardware struct
 828  *  @rar: receive address register index to associate with a VMDq index
 829  *  @vmdq: VMDq pool index
 830  **/
 831 s32 ixgbe_set_vmdq_82599(struct ixgbe_hw *hw, u32 rar, u32 vmdq)
 832 {
 833         u32 mpsar;
 834         u32 rar_entries = hw->mac.num_rar_entries;
 835
 836         if (rar < rar_entries) {
 837                 if (vmdq < 32) {
 838                         mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_LO(rar));
 839                         mpsar |= 1 << vmdq;
 840                         IXGBE_WRITE_REG(hw, IXGBE_MPSAR_LO(rar), mpsar);
 841                 } else {
 842                         mpsar = IXGBE_READ_REG(hw, IXGBE_MPSAR_HI(rar));
 843                         mpsar |= 1 << (vmdq - 32);
 844                         IXGBE_WRITE_REG(hw, IXGBE_MPSAR_HI(rar), mpsar);
 845                 }
 846         } else {
 847                 hw_dbg(hw, "RAR index %d is out of range.\n", rar);
 848         }
 849         return 0;
 850 }
 851
 852 /**
 853  *  ixgbe_set_vfta_82599 - Set VLAN filter table
 854  *  @hw: pointer to hardware structure
 855  *  @vlan: VLAN id to write to VLAN filter
 856  *  @vind: VMDq output index that maps queue to VLAN id in VFVFB
 857  *  @vlan_on: boolean flag to turn on/off VLAN in VFVF
 858  *
 859  *  Turn on/off specified VLAN in the VLAN filter table.
 860  **/
 861 s32 ixgbe_set_vfta_82599(struct ixgbe_hw *hw, u32 vlan, u32 vind,
 862                          bool vlan_on)
 863 {
 864         u32 regindex;
 865         u32 bitindex;
 866         u32 bits;
 867         u32 first_empty_slot;
 868
 869         if (vlan > 4095)
 870                 return IXGBE_ERR_PARAM;
 871
 872         /*
 873          * this is a 2 part operation - first the VFTA, then the
 874          * VLVF and VLVFB if vind is set
 875          */
 876
 877         /* Part 1
 878          * The VFTA is a bitstring made up of 128 32-bit registers
 879          * that enable the particular VLAN id, much like the MTA:
 880          *    bits[11-5]: which register
 881          *    bits[4-0]:  which bit in the register
 882          */
 883         regindex = (vlan >> 5) & 0x7F;
 884         bitindex = vlan & 0x1F;
 885         bits = IXGBE_READ_REG(hw, IXGBE_VFTA(regindex));
 886         if (vlan_on)
 887                 bits |= (1 << bitindex);
 888         else
 889                 bits &= ~(1 << bitindex);
 890         IXGBE_WRITE_REG(hw, IXGBE_VFTA(regindex), bits);
 891
 892
 893         /* Part 2
 894          * If the vind is set
 895          *   Either vlan_on
 896          *     make sure the vlan is in VLVF
 897          *     set the vind bit in the matching VLVFB
 898          *   Or !vlan_on
 899          *     clear the pool bit and possibly the vind
 900          */
 901         if (vind) {
 902                 /* find the vlanid or the first empty slot */
 903                 first_empty_slot = 0;
 904
 905                 for (regindex = 1; regindex < IXGBE_VLVF_ENTRIES; regindex++) {
 906                         bits = IXGBE_READ_REG(hw, IXGBE_VLVF(regindex));
 907                         if (!bits && !first_empty_slot)
 908                                 first_empty_slot = regindex;
 909                         else if ((bits & 0x0FFF) == vlan)
 910                                 break;
 911                 }
 912
 913                 if (regindex >= IXGBE_VLVF_ENTRIES) {
 914                         if (first_empty_slot)
 915                                 regindex = first_empty_slot;
 916                         else {
 917                                 hw_dbg(hw, "No space in VLVF.\n");
 918                                 goto out;
 919                         }
 920                 }
 921
 922                 if (vlan_on) {
 923                         /* set the pool bit */
 924                         if (vind < 32) {
 925                                 bits = IXGBE_READ_REG(hw,
 926                                                     IXGBE_VLVFB(regindex * 2));
 927                                 bits |= (1 << vind);
 928                                 IXGBE_WRITE_REG(hw,
 929                                               IXGBE_VLVFB(regindex * 2), bits);
 930                         } else {
 931                                 bits = IXGBE_READ_REG(hw,
 932                                               IXGBE_VLVFB((regindex * 2) + 1));
 933                                 bits |= (1 << vind);
 934                                 IXGBE_WRITE_REG(hw,
 935                                         IXGBE_VLVFB((regindex * 2) + 1), bits);
 936                         }
 937                 } else {
 938                         /* clear the pool bit */
 939                         if (vind < 32) {
 940                                 bits = IXGBE_READ_REG(hw,
 941                                      IXGBE_VLVFB(regindex * 2));
 942                         bits &= ~(1 << vind);
 943                                 IXGBE_WRITE_REG(hw,
 944                                               IXGBE_VLVFB(regindex * 2), bits);
 945                                 bits |= IXGBE_READ_REG(hw,
 946                                               IXGBE_VLVFB((regindex * 2) + 1));
 947                         } else {
 948                                 bits = IXGBE_READ_REG(hw,
 949                                               IXGBE_VLVFB((regindex * 2) + 1));
 950                                 bits &= ~(1 << vind);
 951                                 IXGBE_WRITE_REG(hw,
 952                                         IXGBE_VLVFB((regindex * 2) + 1), bits);
 953                                 bits |= IXGBE_READ_REG(hw,
 954                                                     IXGBE_VLVFB(regindex * 2));
 955                         }
 956                 }
 957
 958                 if (bits)
 959                         IXGBE_WRITE_REG(hw, IXGBE_VLVF(regindex),
 960                                         (IXGBE_VLVF_VIEN | vlan));
 961                 else
 962                         IXGBE_WRITE_REG(hw, IXGBE_VLVF(regindex), 0);
 963         }
 964
 965 out:
 966         return 0;
 967 }
 968
 969 /**
 970  *  ixgbe_clear_vfta_82599 - Clear VLAN filter table
 971  *  @hw: pointer to hardware structure
 972  *
 973  *  Clears the VLAN filer table, and the VMDq index associated with the filter
 974  **/
 975 s32 ixgbe_clear_vfta_82599(struct ixgbe_hw *hw)
 976 {
 977         u32 offset;
 978
 979         for (offset = 0; offset < hw->mac.vft_size; offset++)
 980                 IXGBE_WRITE_REG(hw, IXGBE_VFTA(offset), 0);
 981
 982         for (offset = 0; offset < IXGBE_VLVF_ENTRIES; offset++) {
 983                 IXGBE_WRITE_REG(hw, IXGBE_VLVF(offset), 0);
 984                 IXGBE_WRITE_REG(hw, IXGBE_VLVFB(offset * 2), 0);
 985                 IXGBE_WRITE_REG(hw, IXGBE_VLVFB((offset * 2) + 1), 0);
 986         }
 987
 988         return 0;
 989 }
 990
 991 /**
 992  *  ixgbe_init_uta_tables_82599 - Initialize the Unicast Table Array
 993  *  @hw: pointer to hardware structure
 994  **/
 995 s32 ixgbe_init_uta_tables_82599(struct ixgbe_hw *hw)
 996 {
 997         int i;
 998         hw_dbg(hw, " Clearing UTA\n");
 999
1000         for (i = 0; i < 128; i++)
1001                 IXGBE_WRITE_REG(hw, IXGBE_UTA(i), 0);
1002
1003         return 0;
1004 }
1005
1006 /**
1007  *  ixgbe_read_analog_reg8_82599 - Reads 8 bit Omer analog register
1008  *  @hw: pointer to hardware structure
1009  *  @reg: analog register to read
1010  *  @val: read value
1011  *
1012  *  Performs read operation to Omer analog register specified.
1013  **/
1014 s32 ixgbe_read_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 *val)
1015 {
1016         u32  core_ctl;
1017
1018         IXGBE_WRITE_REG(hw, IXGBE_CORECTL, IXGBE_CORECTL_WRITE_CMD |
1019                         (reg << 8));
1020         IXGBE_WRITE_FLUSH(hw);
1021         udelay(10);
1022         core_ctl = IXGBE_READ_REG(hw, IXGBE_CORECTL);
1023         *val = (u8)core_ctl;
1024
1025         return 0;
1026 }
1027
1028 /**
1029  *  ixgbe_write_analog_reg8_82599 - Writes 8 bit Omer analog register
1030  *  @hw: pointer to hardware structure
1031  *  @reg: atlas register to write
1032  *  @val: value to write
1033  *
1034  *  Performs write operation to Omer analog register specified.
1035  **/
1036 s32 ixgbe_write_analog_reg8_82599(struct ixgbe_hw *hw, u32 reg, u8 val)
1037 {
1038         u32  core_ctl;
1039
1040         core_ctl = (reg << 8) | val;
1041         IXGBE_WRITE_REG(hw, IXGBE_CORECTL, core_ctl);
1042         IXGBE_WRITE_FLUSH(hw);
1043         udelay(10);
1044
1045         return 0;
1046 }
1047
1048 /**
1049  *  ixgbe_start_hw_82599 - Prepare hardware for Tx/Rx
1050  *  @hw: pointer to hardware structure
1051  *
1052  *  Starts the hardware using the generic start_hw function.
1053  *  Then performs device-specific:
1054  *  Clears the rate limiter registers.
1055  **/
1056 s32 ixgbe_start_hw_82599(struct ixgbe_hw *hw)
1057 {
1058         u32 q_num;
1059
1060         ixgbe_start_hw_generic(hw);
1061
1062         /* Clear the rate limiters */
1063         for (q_num = 0; q_num < hw->mac.max_tx_queues; q_num++) {
1064                 IXGBE_WRITE_REG(hw, IXGBE_RTTDQSEL, q_num);
1065                 IXGBE_WRITE_REG(hw, IXGBE_RTTBCNRC, 0);
1066         }
1067         IXGBE_WRITE_FLUSH(hw);
1068
1069         return 0;
1070 }
1071
1072 /**
1073  *  ixgbe_identify_phy_82599 - Get physical layer module
1074  *  @hw: pointer to hardware structure
1075  *
1076  *  Determines the physical layer module found on the current adapter.
1077  **/
1078 s32 ixgbe_identify_phy_82599(struct ixgbe_hw *hw)
1079 {
1080         s32 status = IXGBE_ERR_PHY_ADDR_INVALID;
1081         status = ixgbe_identify_phy_generic(hw);
1082         if (status != 0)
1083                 status = ixgbe_identify_sfp_module_generic(hw);
1084         return status;
1085 }
1086
1087 /**
1088  *  ixgbe_get_supported_physical_layer_82599 - Returns physical layer type
1089  *  @hw: pointer to hardware structure
1090  *
1091  *  Determines physical layer capabilities of the current configuration.
1092  **/
1093 u32 ixgbe_get_supported_physical_layer_82599(struct ixgbe_hw *hw)
1094 {
1095         u32 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1096         u8 comp_codes_10g = 0;
1097
1098         switch (hw->device_id) {
1099         case IXGBE_DEV_ID_82599:
1100         case IXGBE_DEV_ID_82599_KX4:
1101                 /* Default device ID is mezzanine card KX/KX4 */
1102                 physical_layer = (IXGBE_PHYSICAL_LAYER_10GBASE_KX4 |
1103                                   IXGBE_PHYSICAL_LAYER_1000BASE_KX);
1104                 break;
1105         case IXGBE_DEV_ID_82599_SFP:
1106                 hw->phy.ops.identify_sfp(hw);
1107
1108                 switch (hw->phy.sfp_type) {
1109                 case ixgbe_sfp_type_da_cu:
1110                 case ixgbe_sfp_type_da_cu_core0:
1111                 case ixgbe_sfp_type_da_cu_core1:
1112                         physical_layer = IXGBE_PHYSICAL_LAYER_SFP_PLUS_CU;
1113                         break;
1114                 case ixgbe_sfp_type_sr:
1115                         physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1116                         break;
1117                 case ixgbe_sfp_type_lr:
1118                         physical_layer = IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1119                         break;
1120                 case ixgbe_sfp_type_srlr_core0:
1121                 case ixgbe_sfp_type_srlr_core1:
1122                         hw->phy.ops.read_i2c_eeprom(hw,
1123                                                     IXGBE_SFF_10GBE_COMP_CODES,
1124                                                     &comp_codes_10g);
1125                         if (comp_codes_10g & IXGBE_SFF_10GBASESR_CAPABLE)
1126                                 physical_layer =
1127                                                 IXGBE_PHYSICAL_LAYER_10GBASE_SR;
1128                         else if (comp_codes_10g & IXGBE_SFF_10GBASELR_CAPABLE)
1129                                 physical_layer =
1130                                                 IXGBE_PHYSICAL_LAYER_10GBASE_LR;
1131                         else
1132                                 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1133                 default:
1134                         physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1135                         break;
1136                 }
1137                 break;
1138         default:
1139                 physical_layer = IXGBE_PHYSICAL_LAYER_UNKNOWN;
1140                 break;
1141         }
1142
1143         return physical_layer;
1144 }
1145
1146 /**
1147  *  ixgbe_enable_rx_dma_82599 - Enable the Rx DMA unit on 82599
1148  *  @hw: pointer to hardware structure
1149  *  @regval: register value to write to RXCTRL
1150  *
1151  *  Enables the Rx DMA unit for 82599
1152  **/
1153 s32 ixgbe_enable_rx_dma_82599(struct ixgbe_hw *hw, u32 regval)
1154 {
1155 #define IXGBE_MAX_SECRX_POLL 30
1156         int i;
1157         int secrxreg;
1158
1159         /*
1160          * Workaround for 82599 silicon errata when enabling the Rx datapath.
1161          * If traffic is incoming before we enable the Rx unit, it could hang
1162          * the Rx DMA unit.  Therefore, make sure the security engine is
1163          * completely disabled prior to enabling the Rx unit.
1164          */
1165         secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
1166         secrxreg |= IXGBE_SECRXCTRL_RX_DIS;
1167         IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
1168         for (i = 0; i < IXGBE_MAX_SECRX_POLL; i++) {
1169                 secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXSTAT);
1170                 if (secrxreg & IXGBE_SECRXSTAT_SECRX_RDY)
1171                         break;
1172                 else
1173                         udelay(10);
1174         }
1175
1176         /* For informational purposes only */
1177         if (i >= IXGBE_MAX_SECRX_POLL)
1178                 hw_dbg(hw, "Rx unit being enabled before security "
1179                        "path fully disabled.  Continuing with init.\n");
1180
1181         IXGBE_WRITE_REG(hw, IXGBE_RXCTRL, regval);
1182         secrxreg = IXGBE_READ_REG(hw, IXGBE_SECRXCTRL);
1183         secrxreg &= ~IXGBE_SECRXCTRL_RX_DIS;
1184         IXGBE_WRITE_REG(hw, IXGBE_SECRXCTRL, secrxreg);
1185         IXGBE_WRITE_FLUSH(hw);
1186
1187         return 0;
1188 }
1189
1190 static struct ixgbe_mac_operations mac_ops_82599 = {
1191         .init_hw                = &ixgbe_init_hw_generic,
1192         .reset_hw               = &ixgbe_reset_hw_82599,
1193         .start_hw               = &ixgbe_start_hw_82599,
1194         .clear_hw_cntrs         = &ixgbe_clear_hw_cntrs_generic,
1195         .get_media_type         = &ixgbe_get_media_type_82599,
1196         .get_supported_physical_layer = &ixgbe_get_supported_physical_layer_82599,
1197         .enable_rx_dma          = &ixgbe_enable_rx_dma_82599,
1198         .get_mac_addr           = &ixgbe_get_mac_addr_generic,
1199         .stop_adapter           = &ixgbe_stop_adapter_generic,
1200         .get_bus_info           = &ixgbe_get_bus_info_generic,
1201         .set_lan_id             = &ixgbe_set_lan_id_multi_port_pcie,
1202         .read_analog_reg8       = &ixgbe_read_analog_reg8_82599,
1203         .write_analog_reg8      = &ixgbe_write_analog_reg8_82599,
1204         .setup_link             = &ixgbe_setup_mac_link_82599,
1205         .setup_link_speed       = &ixgbe_setup_mac_link_speed_82599,
1206         .check_link             = &ixgbe_check_mac_link_82599,
1207         .get_link_capabilities  = &ixgbe_get_link_capabilities_82599,
1208         .led_on                 = &ixgbe_led_on_generic,
1209         .led_off                = &ixgbe_led_off_generic,
1210         .blink_led_start        = &ixgbe_blink_led_start_generic,
1211         .blink_led_stop         = &ixgbe_blink_led_stop_generic,
1212         .set_rar                = &ixgbe_set_rar_generic,
1213         .clear_rar              = &ixgbe_clear_rar_generic,
1214         .set_vmdq               = &ixgbe_set_vmdq_82599,
1215         .clear_vmdq             = &ixgbe_clear_vmdq_82599,
1216         .init_rx_addrs          = &ixgbe_init_rx_addrs_generic,
1217         .update_uc_addr_list    = &ixgbe_update_uc_addr_list_generic,
1218         .update_mc_addr_list    = &ixgbe_update_mc_addr_list_generic,
1219         .enable_mc              = &ixgbe_enable_mc_generic,
1220         .disable_mc             = &ixgbe_disable_mc_generic,
1221         .clear_vfta             = &ixgbe_clear_vfta_82599,
1222         .set_vfta               = &ixgbe_set_vfta_82599,
1223         .setup_fc               = &ixgbe_setup_fc_generic,
1224         .init_uta_tables        = &ixgbe_init_uta_tables_82599,
1225         .setup_sfp              = &ixgbe_setup_sfp_modules_82599,
1226 };
1227
1228 static struct ixgbe_eeprom_operations eeprom_ops_82599 = {
1229         .init_params            = &ixgbe_init_eeprom_params_generic,
1230         .read                   = &ixgbe_read_eeprom_generic,
1231         .write                  = &ixgbe_write_eeprom_generic,
1232         .validate_checksum      = &ixgbe_validate_eeprom_checksum_generic,
1233         .update_checksum        = &ixgbe_update_eeprom_checksum_generic,
1234 };
1235
1236 static struct ixgbe_phy_operations phy_ops_82599 = {
1237         .identify               = &ixgbe_identify_phy_82599,
1238         .identify_sfp           = &ixgbe_identify_sfp_module_generic,
1239         .reset                  = &ixgbe_reset_phy_generic,
1240         .read_reg               = &ixgbe_read_phy_reg_generic,
1241         .write_reg              = &ixgbe_write_phy_reg_generic,
1242         .setup_link             = &ixgbe_setup_phy_link_generic,
1243         .setup_link_speed       = &ixgbe_setup_phy_link_speed_generic,
1244         .read_i2c_byte          = &ixgbe_read_i2c_byte_generic,
1245         .write_i2c_byte         = &ixgbe_write_i2c_byte_generic,
1246         .read_i2c_eeprom        = &ixgbe_read_i2c_eeprom_generic,
1247         .write_i2c_eeprom       = &ixgbe_write_i2c_eeprom_generic,
1248 };
1249
1250 struct ixgbe_info ixgbe_82599_info = {
1251         .mac                    = ixgbe_mac_82599EB,
1252         .get_invariants         = &ixgbe_get_invariants_82599,
1253         .mac_ops                = &mac_ops_82599,
1254         .eeprom_ops             = &eeprom_ops_82599,
1255         .phy_ops                = &phy_ops_82599,
1256 };