drivers/net/ethernet/intel/ice/ice_ethtool.c

   1 // SPDX-License-Identifier: GPL-2.0
   2 /* Copyright (c) 2018, Intel Corporation. */
   3
   4 /* ethtool support for ice */
   5
   6 #include "ice.h"
   7 #include "ice_flow.h"
   8 #include "ice_fltr.h"
   9 #include "ice_lib.h"
  10 #include "ice_dcb_lib.h"
  11
  12 struct ice_stats {
  13         char stat_string[ETH_GSTRING_LEN];
  14         int sizeof_stat;
  15         int stat_offset;
  16 };
  17
  18 #define ICE_STAT(_type, _name, _stat) { \
  19         .stat_string = _name, \
  20         .sizeof_stat = sizeof_field(_type, _stat), \
  21         .stat_offset = offsetof(_type, _stat) \
  22 }
  23
  24 #define ICE_VSI_STAT(_name, _stat) \
  25                 ICE_STAT(struct ice_vsi, _name, _stat)
  26 #define ICE_PF_STAT(_name, _stat) \
  27                 ICE_STAT(struct ice_pf, _name, _stat)
  28
  29 static int ice_q_stats_len(struct net_device *netdev)
  30 {
  31         struct ice_netdev_priv *np = netdev_priv(netdev);
  32
  33         return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
  34                 (sizeof(struct ice_q_stats) / sizeof(u64)));
  35 }
  36
  37 #define ICE_PF_STATS_LEN        ARRAY_SIZE(ice_gstrings_pf_stats)
  38 #define ICE_VSI_STATS_LEN       ARRAY_SIZE(ice_gstrings_vsi_stats)
  39
  40 #define ICE_PFC_STATS_LEN ( \
  41                 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
  42                  sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
  43                  sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
  44                  sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
  45                  / sizeof(u64))
  46 #define ICE_ALL_STATS_LEN(n)    (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
  47                                  ICE_VSI_STATS_LEN + ice_q_stats_len(n))
  48
  49 static const struct ice_stats ice_gstrings_vsi_stats[] = {
  50         ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
  51         ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
  52         ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
  53         ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
  54         ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
  55         ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
  56         ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
  57         ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
  58         ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
  59         ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
  60         ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
  61         ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
  62         ICE_VSI_STAT("rx_gro_dropped", rx_gro_dropped),
  63         ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
  64         ICE_VSI_STAT("tx_linearize", tx_linearize),
  65         ICE_VSI_STAT("tx_busy", tx_busy),
  66         ICE_VSI_STAT("tx_restart", tx_restart),
  67 };
  68
  69 enum ice_ethtool_test_id {
  70         ICE_ETH_TEST_REG = 0,
  71         ICE_ETH_TEST_EEPROM,
  72         ICE_ETH_TEST_INTR,
  73         ICE_ETH_TEST_LOOP,
  74         ICE_ETH_TEST_LINK,
  75 };
  76
  77 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
  78         "Register test  (offline)",
  79         "EEPROM test    (offline)",
  80         "Interrupt test (offline)",
  81         "Loopback test  (offline)",
  82         "Link test   (on/offline)",
  83 };
  84
  85 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
  86
  87 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  88  * but they aren't. This device is capable of supporting multiple
  89  * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
  90  * netdevs whereas the PF_STATs are for the physical function that's
  91  * hosting these netdevs.
  92  *
  93  * The PF_STATs are appended to the netdev stats only when ethtool -S
  94  * is queried on the base PF netdev.
  95  */
  96 static const struct ice_stats ice_gstrings_pf_stats[] = {
  97         ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
  98         ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
  99         ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
 100         ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
 101         ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
 102         ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
 103         ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
 104         ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
 105         ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
 106         ICE_PF_STAT("tx_timeout.nic", tx_timeout_count),
 107         ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
 108         ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
 109         ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
 110         ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
 111         ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
 112         ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
 113         ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
 114         ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
 115         ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
 116         ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
 117         ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
 118         ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
 119         ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
 120         ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
 121         ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
 122         ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
 123         ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
 124         ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
 125         ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
 126         ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
 127         ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
 128         ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
 129         ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
 130         ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
 131         ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
 132         ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
 133         ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
 134         ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
 135         ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
 136         ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
 137         ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match),
 138         ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status),
 139 };
 140
 141 static const u32 ice_regs_dump_list[] = {
 142         PFGEN_STATE,
 143         PRTGEN_STATUS,
 144         QRX_CTRL(0),
 145         QINT_TQCTL(0),
 146         QINT_RQCTL(0),
 147         PFINT_OICR_ENA,
 148         QRX_ITR(0),
 149 };
 150
 151 struct ice_priv_flag {
 152         char name[ETH_GSTRING_LEN];
 153         u32 bitno;                      /* bit position in pf->flags */
 154 };
 155
 156 #define ICE_PRIV_FLAG(_name, _bitno) { \
 157         .name = _name, \
 158         .bitno = _bitno, \
 159 }
 160
 161 static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
 162         ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
 163         ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
 164         ICE_PRIV_FLAG("vf-true-promisc-support",
 165                       ICE_FLAG_VF_TRUE_PROMISC_ENA),
 166         ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF),
 167         ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
 168 };
 169
 170 #define ICE_PRIV_FLAG_ARRAY_SIZE        ARRAY_SIZE(ice_gstrings_priv_flags)
 171
 172 static void
 173 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 174 {
 175         struct ice_netdev_priv *np = netdev_priv(netdev);
 176         struct ice_vsi *vsi = np->vsi;
 177         struct ice_pf *pf = vsi->back;
 178         struct ice_hw *hw = &pf->hw;
 179         struct ice_orom_info *orom;
 180         struct ice_nvm_info *nvm;
 181
 182         nvm = &hw->nvm;
 183         orom = &nvm->orom;
 184
 185         strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
 186
 187         /* Display NVM version (from which the firmware version can be
 188          * determined) which contains more pertinent information.
 189          */
 190         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 191                  "%x.%02x 0x%x %d.%d.%d", nvm->major_ver, nvm->minor_ver,
 192                  nvm->eetrack, orom->major, orom->build, orom->patch);
 193
 194         strscpy(drvinfo->bus_info, pci_name(pf->pdev),
 195                 sizeof(drvinfo->bus_info));
 196         drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
 197 }
 198
 199 static int ice_get_regs_len(struct net_device __always_unused *netdev)
 200 {
 201         return sizeof(ice_regs_dump_list);
 202 }
 203
 204 static void
 205 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
 206 {
 207         struct ice_netdev_priv *np = netdev_priv(netdev);
 208         struct ice_pf *pf = np->vsi->back;
 209         struct ice_hw *hw = &pf->hw;
 210         u32 *regs_buf = (u32 *)p;
 211         unsigned int i;
 212
 213         regs->version = 1;
 214
 215         for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
 216                 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
 217 }
 218
 219 static u32 ice_get_msglevel(struct net_device *netdev)
 220 {
 221         struct ice_netdev_priv *np = netdev_priv(netdev);
 222         struct ice_pf *pf = np->vsi->back;
 223
 224 #ifndef CONFIG_DYNAMIC_DEBUG
 225         if (pf->hw.debug_mask)
 226                 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
 227                             pf->hw.debug_mask);
 228 #endif /* !CONFIG_DYNAMIC_DEBUG */
 229
 230         return pf->msg_enable;
 231 }
 232
 233 static void ice_set_msglevel(struct net_device *netdev, u32 data)
 234 {
 235         struct ice_netdev_priv *np = netdev_priv(netdev);
 236         struct ice_pf *pf = np->vsi->back;
 237
 238 #ifndef CONFIG_DYNAMIC_DEBUG
 239         if (ICE_DBG_USER & data)
 240                 pf->hw.debug_mask = data;
 241         else
 242                 pf->msg_enable = data;
 243 #else
 244         pf->msg_enable = data;
 245 #endif /* !CONFIG_DYNAMIC_DEBUG */
 246 }
 247
 248 static int ice_get_eeprom_len(struct net_device *netdev)
 249 {
 250         struct ice_netdev_priv *np = netdev_priv(netdev);
 251         struct ice_pf *pf = np->vsi->back;
 252
 253         return (int)pf->hw.nvm.flash_size;
 254 }
 255
 256 static int
 257 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 258                u8 *bytes)
 259 {
 260         struct ice_netdev_priv *np = netdev_priv(netdev);
 261         struct ice_vsi *vsi = np->vsi;
 262         struct ice_pf *pf = vsi->back;
 263         struct ice_hw *hw = &pf->hw;
 264         enum ice_status status;
 265         struct device *dev;
 266         int ret = 0;
 267         u8 *buf;
 268
 269         dev = ice_pf_to_dev(pf);
 270
 271         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 272         netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n",
 273                    eeprom->cmd, eeprom->offset, eeprom->len);
 274
 275         buf = kzalloc(eeprom->len, GFP_KERNEL);
 276         if (!buf)
 277                 return -ENOMEM;
 278
 279         status = ice_acquire_nvm(hw, ICE_RES_READ);
 280         if (status) {
 281                 dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n",
 282                         ice_stat_str(status),
 283                         ice_aq_str(hw->adminq.sq_last_status));
 284                 ret = -EIO;
 285                 goto out;
 286         }
 287
 288         status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf,
 289                                    false);
 290         if (status) {
 291                 dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n",
 292                         ice_stat_str(status),
 293                         ice_aq_str(hw->adminq.sq_last_status));
 294                 ret = -EIO;
 295                 goto release;
 296         }
 297
 298         memcpy(bytes, buf, eeprom->len);
 299 release:
 300         ice_release_nvm(hw);
 301 out:
 302         kfree(buf);
 303         return ret;
 304 }
 305
 306 /**
 307  * ice_active_vfs - check if there are any active VFs
 308  * @pf: board private structure
 309  *
 310  * Returns true if an active VF is found, otherwise returns false
 311  */
 312 static bool ice_active_vfs(struct ice_pf *pf)
 313 {
 314         unsigned int i;
 315
 316         ice_for_each_vf(pf, i) {
 317                 struct ice_vf *vf = &pf->vf[i];
 318
 319                 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
 320                         return true;
 321         }
 322
 323         return false;
 324 }
 325
 326 /**
 327  * ice_link_test - perform a link test on a given net_device
 328  * @netdev: network interface device structure
 329  *
 330  * This function performs one of the self-tests required by ethtool.
 331  * Returns 0 on success, non-zero on failure.
 332  */
 333 static u64 ice_link_test(struct net_device *netdev)
 334 {
 335         struct ice_netdev_priv *np = netdev_priv(netdev);
 336         enum ice_status status;
 337         bool link_up = false;
 338
 339         netdev_info(netdev, "link test\n");
 340         status = ice_get_link_status(np->vsi->port_info, &link_up);
 341         if (status) {
 342                 netdev_err(netdev, "link query error, status = %s\n",
 343                            ice_stat_str(status));
 344                 return 1;
 345         }
 346
 347         if (!link_up)
 348                 return 2;
 349
 350         return 0;
 351 }
 352
 353 /**
 354  * ice_eeprom_test - perform an EEPROM test on a given net_device
 355  * @netdev: network interface device structure
 356  *
 357  * This function performs one of the self-tests required by ethtool.
 358  * Returns 0 on success, non-zero on failure.
 359  */
 360 static u64 ice_eeprom_test(struct net_device *netdev)
 361 {
 362         struct ice_netdev_priv *np = netdev_priv(netdev);
 363         struct ice_pf *pf = np->vsi->back;
 364
 365         netdev_info(netdev, "EEPROM test\n");
 366         return !!(ice_nvm_validate_checksum(&pf->hw));
 367 }
 368
 369 /**
 370  * ice_reg_pattern_test
 371  * @hw: pointer to the HW struct
 372  * @reg: reg to be tested
 373  * @mask: bits to be touched
 374  */
 375 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
 376 {
 377         struct ice_pf *pf = (struct ice_pf *)hw->back;
 378         struct device *dev = ice_pf_to_dev(pf);
 379         static const u32 patterns[] = {
 380                 0x5A5A5A5A, 0xA5A5A5A5,
 381                 0x00000000, 0xFFFFFFFF
 382         };
 383         u32 val, orig_val;
 384         unsigned int i;
 385
 386         orig_val = rd32(hw, reg);
 387         for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
 388                 u32 pattern = patterns[i] & mask;
 389
 390                 wr32(hw, reg, pattern);
 391                 val = rd32(hw, reg);
 392                 if (val == pattern)
 393                         continue;
 394                 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
 395                         , __func__, reg, pattern, val);
 396                 return 1;
 397         }
 398
 399         wr32(hw, reg, orig_val);
 400         val = rd32(hw, reg);
 401         if (val != orig_val) {
 402                 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
 403                         , __func__, reg, orig_val, val);
 404                 return 1;
 405         }
 406
 407         return 0;
 408 }
 409
 410 /**
 411  * ice_reg_test - perform a register test on a given net_device
 412  * @netdev: network interface device structure
 413  *
 414  * This function performs one of the self-tests required by ethtool.
 415  * Returns 0 on success, non-zero on failure.
 416  */
 417 static u64 ice_reg_test(struct net_device *netdev)
 418 {
 419         struct ice_netdev_priv *np = netdev_priv(netdev);
 420         struct ice_hw *hw = np->vsi->port_info->hw;
 421         u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
 422                 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
 423         struct ice_diag_reg_test_info {
 424                 u32 address;
 425                 u32 mask;
 426                 u32 elem_num;
 427                 u32 elem_size;
 428         } ice_reg_list[] = {
 429                 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
 430                         GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
 431                 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
 432                         GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
 433                 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
 434                         GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
 435                 {GLINT_CTL, 0xffff0001, 1, 0}
 436         };
 437         unsigned int i;
 438
 439         netdev_dbg(netdev, "Register test\n");
 440         for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
 441                 u32 j;
 442
 443                 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
 444                         u32 mask = ice_reg_list[i].mask;
 445                         u32 reg = ice_reg_list[i].address +
 446                                 (j * ice_reg_list[i].elem_size);
 447
 448                         /* bail on failure (non-zero return) */
 449                         if (ice_reg_pattern_test(hw, reg, mask))
 450                                 return 1;
 451                 }
 452         }
 453
 454         return 0;
 455 }
 456
 457 /**
 458  * ice_lbtest_prepare_rings - configure Tx/Rx test rings
 459  * @vsi: pointer to the VSI structure
 460  *
 461  * Function configures rings of a VSI for loopback test without
 462  * enabling interrupts or informing the kernel about new queues.
 463  *
 464  * Returns 0 on success, negative on failure.
 465  */
 466 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
 467 {
 468         int status;
 469
 470         status = ice_vsi_setup_tx_rings(vsi);
 471         if (status)
 472                 goto err_setup_tx_ring;
 473
 474         status = ice_vsi_setup_rx_rings(vsi);
 475         if (status)
 476                 goto err_setup_rx_ring;
 477
 478         status = ice_vsi_cfg(vsi);
 479         if (status)
 480                 goto err_setup_rx_ring;
 481
 482         status = ice_vsi_start_all_rx_rings(vsi);
 483         if (status)
 484                 goto err_start_rx_ring;
 485
 486         return status;
 487
 488 err_start_rx_ring:
 489         ice_vsi_free_rx_rings(vsi);
 490 err_setup_rx_ring:
 491         ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
 492 err_setup_tx_ring:
 493         ice_vsi_free_tx_rings(vsi);
 494
 495         return status;
 496 }
 497
 498 /**
 499  * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
 500  * @vsi: pointer to the VSI structure
 501  *
 502  * Function stops and frees VSI rings after a loopback test.
 503  * Returns 0 on success, negative on failure.
 504  */
 505 static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
 506 {
 507         int status;
 508
 509         status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
 510         if (status)
 511                 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
 512                            vsi->vsi_num, status);
 513
 514         status = ice_vsi_stop_all_rx_rings(vsi);
 515         if (status)
 516                 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
 517                            vsi->vsi_num, status);
 518
 519         ice_vsi_free_tx_rings(vsi);
 520         ice_vsi_free_rx_rings(vsi);
 521
 522         return status;
 523 }
 524
 525 /**
 526  * ice_lbtest_create_frame - create test packet
 527  * @pf: pointer to the PF structure
 528  * @ret_data: allocated frame buffer
 529  * @size: size of the packet data
 530  *
 531  * Function allocates a frame with a test pattern on specific offsets.
 532  * Returns 0 on success, non-zero on failure.
 533  */
 534 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
 535 {
 536         u8 *data;
 537
 538         if (!pf)
 539                 return -EINVAL;
 540
 541         data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
 542         if (!data)
 543                 return -ENOMEM;
 544
 545         /* Since the ethernet test frame should always be at least
 546          * 64 bytes long, fill some octets in the payload with test data.
 547          */
 548         memset(data, 0xFF, size);
 549         data[32] = 0xDE;
 550         data[42] = 0xAD;
 551         data[44] = 0xBE;
 552         data[46] = 0xEF;
 553
 554         *ret_data = data;
 555
 556         return 0;
 557 }
 558
 559 /**
 560  * ice_lbtest_check_frame - verify received loopback frame
 561  * @frame: pointer to the raw packet data
 562  *
 563  * Function verifies received test frame with a pattern.
 564  * Returns true if frame matches the pattern, false otherwise.
 565  */
 566 static bool ice_lbtest_check_frame(u8 *frame)
 567 {
 568         /* Validate bytes of a frame under offsets chosen earlier */
 569         if (frame[32] == 0xDE &&
 570             frame[42] == 0xAD &&
 571             frame[44] == 0xBE &&
 572             frame[46] == 0xEF &&
 573             frame[48] == 0xFF)
 574                 return true;
 575
 576         return false;
 577 }
 578
 579 /**
 580  * ice_diag_send - send test frames to the test ring
 581  * @tx_ring: pointer to the transmit ring
 582  * @data: pointer to the raw packet data
 583  * @size: size of the packet to send
 584  *
 585  * Function sends loopback packets on a test Tx ring.
 586  */
 587 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size)
 588 {
 589         struct ice_tx_desc *tx_desc;
 590         struct ice_tx_buf *tx_buf;
 591         dma_addr_t dma;
 592         u64 td_cmd;
 593
 594         tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
 595         tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
 596
 597         dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
 598         if (dma_mapping_error(tx_ring->dev, dma))
 599                 return -EINVAL;
 600
 601         tx_desc->buf_addr = cpu_to_le64(dma);
 602
 603         /* These flags are required for a descriptor to be pushed out */
 604         td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
 605         tx_desc->cmd_type_offset_bsz =
 606                 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
 607                             (td_cmd << ICE_TXD_QW1_CMD_S) |
 608                             ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
 609                             ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
 610                             ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
 611
 612         tx_buf->next_to_watch = tx_desc;
 613
 614         /* Force memory write to complete before letting h/w know
 615          * there are new descriptors to fetch.
 616          */
 617         wmb();
 618
 619         tx_ring->next_to_use++;
 620         if (tx_ring->next_to_use >= tx_ring->count)
 621                 tx_ring->next_to_use = 0;
 622
 623         writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
 624
 625         /* Wait until the packets get transmitted to the receive queue. */
 626         usleep_range(1000, 2000);
 627         dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
 628
 629         return 0;
 630 }
 631
 632 #define ICE_LB_FRAME_SIZE 64
 633 /**
 634  * ice_lbtest_receive_frames - receive and verify test frames
 635  * @rx_ring: pointer to the receive ring
 636  *
 637  * Function receives loopback packets and verify their correctness.
 638  * Returns number of received valid frames.
 639  */
 640 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring)
 641 {
 642         struct ice_rx_buf *rx_buf;
 643         int valid_frames, i;
 644         u8 *received_buf;
 645
 646         valid_frames = 0;
 647
 648         for (i = 0; i < rx_ring->count; i++) {
 649                 union ice_32b_rx_flex_desc *rx_desc;
 650
 651                 rx_desc = ICE_RX_DESC(rx_ring, i);
 652
 653                 if (!(rx_desc->wb.status_error0 &
 654                     cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS)))
 655                         continue;
 656
 657                 rx_buf = &rx_ring->rx_buf[i];
 658                 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
 659
 660                 if (ice_lbtest_check_frame(received_buf))
 661                         valid_frames++;
 662         }
 663
 664         return valid_frames;
 665 }
 666
 667 /**
 668  * ice_loopback_test - perform a loopback test on a given net_device
 669  * @netdev: network interface device structure
 670  *
 671  * This function performs one of the self-tests required by ethtool.
 672  * Returns 0 on success, non-zero on failure.
 673  */
 674 static u64 ice_loopback_test(struct net_device *netdev)
 675 {
 676         struct ice_netdev_priv *np = netdev_priv(netdev);
 677         struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
 678         struct ice_pf *pf = orig_vsi->back;
 679         struct ice_ring *tx_ring, *rx_ring;
 680         u8 broadcast[ETH_ALEN], ret = 0;
 681         int num_frames, valid_frames;
 682         struct device *dev;
 683         u8 *tx_frame;
 684         int i;
 685
 686         dev = ice_pf_to_dev(pf);
 687         netdev_info(netdev, "loopback test\n");
 688
 689         test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
 690         if (!test_vsi) {
 691                 netdev_err(netdev, "Failed to create a VSI for the loopback test\n");
 692                 return 1;
 693         }
 694
 695         test_vsi->netdev = netdev;
 696         tx_ring = test_vsi->tx_rings[0];
 697         rx_ring = test_vsi->rx_rings[0];
 698
 699         if (ice_lbtest_prepare_rings(test_vsi)) {
 700                 ret = 2;
 701                 goto lbtest_vsi_close;
 702         }
 703
 704         if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
 705                 ret = 3;
 706                 goto lbtest_rings_dis;
 707         }
 708
 709         /* Enable MAC loopback in firmware */
 710         if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
 711                 ret = 4;
 712                 goto lbtest_mac_dis;
 713         }
 714
 715         /* Test VSI needs to receive broadcast packets */
 716         eth_broadcast_addr(broadcast);
 717         if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) {
 718                 ret = 5;
 719                 goto lbtest_mac_dis;
 720         }
 721
 722         if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
 723                 ret = 7;
 724                 goto remove_mac_filters;
 725         }
 726
 727         num_frames = min_t(int, tx_ring->count, 32);
 728         for (i = 0; i < num_frames; i++) {
 729                 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
 730                         ret = 8;
 731                         goto lbtest_free_frame;
 732                 }
 733         }
 734
 735         valid_frames = ice_lbtest_receive_frames(rx_ring);
 736         if (!valid_frames)
 737                 ret = 9;
 738         else if (valid_frames != num_frames)
 739                 ret = 10;
 740
 741 lbtest_free_frame:
 742         devm_kfree(dev, tx_frame);
 743 remove_mac_filters:
 744         if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI))
 745                 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n");
 746 lbtest_mac_dis:
 747         /* Disable MAC loopback after the test is completed. */
 748         if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
 749                 netdev_err(netdev, "Could not disable MAC loopback\n");
 750 lbtest_rings_dis:
 751         if (ice_lbtest_disable_rings(test_vsi))
 752                 netdev_err(netdev, "Could not disable test rings\n");
 753 lbtest_vsi_close:
 754         test_vsi->netdev = NULL;
 755         if (ice_vsi_release(test_vsi))
 756                 netdev_err(netdev, "Failed to remove the test VSI\n");
 757
 758         return ret;
 759 }
 760
 761 /**
 762  * ice_intr_test - perform an interrupt test on a given net_device
 763  * @netdev: network interface device structure
 764  *
 765  * This function performs one of the self-tests required by ethtool.
 766  * Returns 0 on success, non-zero on failure.
 767  */
 768 static u64 ice_intr_test(struct net_device *netdev)
 769 {
 770         struct ice_netdev_priv *np = netdev_priv(netdev);
 771         struct ice_pf *pf = np->vsi->back;
 772         u16 swic_old = pf->sw_int_count;
 773
 774         netdev_info(netdev, "interrupt test\n");
 775
 776         wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
 777              GLINT_DYN_CTL_SW_ITR_INDX_M |
 778              GLINT_DYN_CTL_INTENA_MSK_M |
 779              GLINT_DYN_CTL_SWINT_TRIG_M);
 780
 781         usleep_range(1000, 2000);
 782         return (swic_old == pf->sw_int_count);
 783 }
 784
 785 /**
 786  * ice_self_test - handler function for performing a self-test by ethtool
 787  * @netdev: network interface device structure
 788  * @eth_test: ethtool_test structure
 789  * @data: required by ethtool.self_test
 790  *
 791  * This function is called after invoking 'ethtool -t devname' command where
 792  * devname is the name of the network device on which ethtool should operate.
 793  * It performs a set of self-tests to check if a device works properly.
 794  */
 795 static void
 796 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
 797               u64 *data)
 798 {
 799         struct ice_netdev_priv *np = netdev_priv(netdev);
 800         bool if_running = netif_running(netdev);
 801         struct ice_pf *pf = np->vsi->back;
 802         struct device *dev;
 803
 804         dev = ice_pf_to_dev(pf);
 805
 806         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 807                 netdev_info(netdev, "offline testing starting\n");
 808
 809                 set_bit(__ICE_TESTING, pf->state);
 810
 811                 if (ice_active_vfs(pf)) {
 812                         dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
 813                         data[ICE_ETH_TEST_REG] = 1;
 814                         data[ICE_ETH_TEST_EEPROM] = 1;
 815                         data[ICE_ETH_TEST_INTR] = 1;
 816                         data[ICE_ETH_TEST_LOOP] = 1;
 817                         data[ICE_ETH_TEST_LINK] = 1;
 818                         eth_test->flags |= ETH_TEST_FL_FAILED;
 819                         clear_bit(__ICE_TESTING, pf->state);
 820                         goto skip_ol_tests;
 821                 }
 822                 /* If the device is online then take it offline */
 823                 if (if_running)
 824                         /* indicate we're in test mode */
 825                         ice_stop(netdev);
 826
 827                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
 828                 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
 829                 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
 830                 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
 831                 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
 832
 833                 if (data[ICE_ETH_TEST_LINK] ||
 834                     data[ICE_ETH_TEST_EEPROM] ||
 835                     data[ICE_ETH_TEST_LOOP] ||
 836                     data[ICE_ETH_TEST_INTR] ||
 837                     data[ICE_ETH_TEST_REG])
 838                         eth_test->flags |= ETH_TEST_FL_FAILED;
 839
 840                 clear_bit(__ICE_TESTING, pf->state);
 841
 842                 if (if_running) {
 843                         int status = ice_open(netdev);
 844
 845                         if (status) {
 846                                 dev_err(dev, "Could not open device %s, err %d\n",
 847                                         pf->int_name, status);
 848                         }
 849                 }
 850         } else {
 851                 /* Online tests */
 852                 netdev_info(netdev, "online testing starting\n");
 853
 854                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
 855                 if (data[ICE_ETH_TEST_LINK])
 856                         eth_test->flags |= ETH_TEST_FL_FAILED;
 857
 858                 /* Offline only tests, not run in online; pass by default */
 859                 data[ICE_ETH_TEST_REG] = 0;
 860                 data[ICE_ETH_TEST_EEPROM] = 0;
 861                 data[ICE_ETH_TEST_INTR] = 0;
 862                 data[ICE_ETH_TEST_LOOP] = 0;
 863         }
 864
 865 skip_ol_tests:
 866         netdev_info(netdev, "testing finished\n");
 867 }
 868
 869 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 870 {
 871         struct ice_netdev_priv *np = netdev_priv(netdev);
 872         struct ice_vsi *vsi = np->vsi;
 873         char *p = (char *)data;
 874         unsigned int i;
 875
 876         switch (stringset) {
 877         case ETH_SS_STATS:
 878                 for (i = 0; i < ICE_VSI_STATS_LEN; i++) {
 879                         snprintf(p, ETH_GSTRING_LEN, "%s",
 880                                  ice_gstrings_vsi_stats[i].stat_string);
 881                         p += ETH_GSTRING_LEN;
 882                 }
 883
 884                 ice_for_each_alloc_txq(vsi, i) {
 885                         snprintf(p, ETH_GSTRING_LEN,
 886                                  "tx_queue_%u_packets", i);
 887                         p += ETH_GSTRING_LEN;
 888                         snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i);
 889                         p += ETH_GSTRING_LEN;
 890                 }
 891
 892                 ice_for_each_alloc_rxq(vsi, i) {
 893                         snprintf(p, ETH_GSTRING_LEN,
 894                                  "rx_queue_%u_packets", i);
 895                         p += ETH_GSTRING_LEN;
 896                         snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i);
 897                         p += ETH_GSTRING_LEN;
 898                 }
 899
 900                 if (vsi->type != ICE_VSI_PF)
 901                         return;
 902
 903                 for (i = 0; i < ICE_PF_STATS_LEN; i++) {
 904                         snprintf(p, ETH_GSTRING_LEN, "%s",
 905                                  ice_gstrings_pf_stats[i].stat_string);
 906                         p += ETH_GSTRING_LEN;
 907                 }
 908
 909                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
 910                         snprintf(p, ETH_GSTRING_LEN,
 911                                  "tx_priority_%u_xon.nic", i);
 912                         p += ETH_GSTRING_LEN;
 913                         snprintf(p, ETH_GSTRING_LEN,
 914                                  "tx_priority_%u_xoff.nic", i);
 915                         p += ETH_GSTRING_LEN;
 916                 }
 917                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
 918                         snprintf(p, ETH_GSTRING_LEN,
 919                                  "rx_priority_%u_xon.nic", i);
 920                         p += ETH_GSTRING_LEN;
 921                         snprintf(p, ETH_GSTRING_LEN,
 922                                  "rx_priority_%u_xoff.nic", i);
 923                         p += ETH_GSTRING_LEN;
 924                 }
 925                 break;
 926         case ETH_SS_TEST:
 927                 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
 928                 break;
 929         case ETH_SS_PRIV_FLAGS:
 930                 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
 931                         snprintf(p, ETH_GSTRING_LEN, "%s",
 932                                  ice_gstrings_priv_flags[i].name);
 933                         p += ETH_GSTRING_LEN;
 934                 }
 935                 break;
 936         default:
 937                 break;
 938         }
 939 }
 940
 941 static int
 942 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
 943 {
 944         struct ice_netdev_priv *np = netdev_priv(netdev);
 945         bool led_active;
 946
 947         switch (state) {
 948         case ETHTOOL_ID_ACTIVE:
 949                 led_active = true;
 950                 break;
 951         case ETHTOOL_ID_INACTIVE:
 952                 led_active = false;
 953                 break;
 954         default:
 955                 return -EINVAL;
 956         }
 957
 958         if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
 959                 return -EIO;
 960
 961         return 0;
 962 }
 963
 964 /**
 965  * ice_set_fec_cfg - Set link FEC options
 966  * @netdev: network interface device structure
 967  * @req_fec: FEC mode to configure
 968  */
 969 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
 970 {
 971         struct ice_netdev_priv *np = netdev_priv(netdev);
 972         struct ice_aqc_set_phy_cfg_data config = { 0 };
 973         struct ice_vsi *vsi = np->vsi;
 974         struct ice_port_info *pi;
 975
 976         pi = vsi->port_info;
 977         if (!pi)
 978                 return -EOPNOTSUPP;
 979
 980         /* Changing the FEC parameters is not supported if not the PF VSI */
 981         if (vsi->type != ICE_VSI_PF) {
 982                 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
 983                 return -EOPNOTSUPP;
 984         }
 985
 986         /* Proceed only if requesting different FEC mode */
 987         if (pi->phy.curr_user_fec_req == req_fec)
 988                 return 0;
 989
 990         /* Copy the current user PHY configuration. The current user PHY
 991          * configuration is initialized during probe from PHY capabilities
 992          * software mode, and updated on set PHY configuration.
 993          */
 994         memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config));
 995
 996         ice_cfg_phy_fec(pi, &config, req_fec);
 997         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
 998
 999         if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL))
1000                 return -EAGAIN;
1001
1002         /* Save requested FEC config */
1003         pi->phy.curr_user_fec_req = req_fec;
1004
1005         return 0;
1006 }
1007
1008 /**
1009  * ice_set_fecparam - Set FEC link options
1010  * @netdev: network interface device structure
1011  * @fecparam: Ethtool structure to retrieve FEC parameters
1012  */
1013 static int
1014 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1015 {
1016         struct ice_netdev_priv *np = netdev_priv(netdev);
1017         struct ice_vsi *vsi = np->vsi;
1018         enum ice_fec_mode fec;
1019
1020         switch (fecparam->fec) {
1021         case ETHTOOL_FEC_AUTO:
1022                 fec = ICE_FEC_AUTO;
1023                 break;
1024         case ETHTOOL_FEC_RS:
1025                 fec = ICE_FEC_RS;
1026                 break;
1027         case ETHTOOL_FEC_BASER:
1028                 fec = ICE_FEC_BASER;
1029                 break;
1030         case ETHTOOL_FEC_OFF:
1031         case ETHTOOL_FEC_NONE:
1032                 fec = ICE_FEC_NONE;
1033                 break;
1034         default:
1035                 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1036                          fecparam->fec);
1037                 return -EINVAL;
1038         }
1039
1040         return ice_set_fec_cfg(netdev, fec);
1041 }
1042
1043 /**
1044  * ice_get_fecparam - Get link FEC options
1045  * @netdev: network interface device structure
1046  * @fecparam: Ethtool structure to retrieve FEC parameters
1047  */
1048 static int
1049 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1050 {
1051         struct ice_netdev_priv *np = netdev_priv(netdev);
1052         struct ice_aqc_get_phy_caps_data *caps;
1053         struct ice_link_status *link_info;
1054         struct ice_vsi *vsi = np->vsi;
1055         struct ice_port_info *pi;
1056         enum ice_status status;
1057         int err = 0;
1058
1059         pi = vsi->port_info;
1060
1061         if (!pi)
1062                 return -EOPNOTSUPP;
1063         link_info = &pi->phy.link_info;
1064
1065         /* Set FEC mode based on negotiated link info */
1066         switch (link_info->fec_info) {
1067         case ICE_AQ_LINK_25G_KR_FEC_EN:
1068                 fecparam->active_fec = ETHTOOL_FEC_BASER;
1069                 break;
1070         case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1071         case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1072                 fecparam->active_fec = ETHTOOL_FEC_RS;
1073                 break;
1074         default:
1075                 fecparam->active_fec = ETHTOOL_FEC_OFF;
1076                 break;
1077         }
1078
1079         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1080         if (!caps)
1081                 return -ENOMEM;
1082
1083         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
1084                                      caps, NULL);
1085         if (status) {
1086                 err = -EAGAIN;
1087                 goto done;
1088         }
1089
1090         /* Set supported/configured FEC modes based on PHY capability */
1091         if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1092                 fecparam->fec |= ETHTOOL_FEC_AUTO;
1093         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1094             caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1095             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1096             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1097                 fecparam->fec |= ETHTOOL_FEC_BASER;
1098         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1099             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1100             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1101                 fecparam->fec |= ETHTOOL_FEC_RS;
1102         if (caps->link_fec_options == 0)
1103                 fecparam->fec |= ETHTOOL_FEC_OFF;
1104
1105 done:
1106         kfree(caps);
1107         return err;
1108 }
1109
1110 /**
1111  * ice_nway_reset - restart autonegotiation
1112  * @netdev: network interface device structure
1113  */
1114 static int ice_nway_reset(struct net_device *netdev)
1115 {
1116         struct ice_netdev_priv *np = netdev_priv(netdev);
1117         struct ice_vsi *vsi = np->vsi;
1118         struct ice_port_info *pi;
1119         enum ice_status status;
1120
1121         pi = vsi->port_info;
1122         /* If VSI state is up, then restart autoneg with link up */
1123         if (!test_bit(__ICE_DOWN, vsi->back->state))
1124                 status = ice_aq_set_link_restart_an(pi, true, NULL);
1125         else
1126                 status = ice_aq_set_link_restart_an(pi, false, NULL);
1127
1128         if (status) {
1129                 netdev_info(netdev, "link restart failed, err %s aq_err %s\n",
1130                             ice_stat_str(status),
1131                             ice_aq_str(pi->hw->adminq.sq_last_status));
1132                 return -EIO;
1133         }
1134
1135         return 0;
1136 }
1137
1138 /**
1139  * ice_get_priv_flags - report device private flags
1140  * @netdev: network interface device structure
1141  *
1142  * The get string set count and the string set should be matched for each
1143  * flag returned.  Add new strings for each flag to the ice_gstrings_priv_flags
1144  * array.
1145  *
1146  * Returns a u32 bitmap of flags.
1147  */
1148 static u32 ice_get_priv_flags(struct net_device *netdev)
1149 {
1150         struct ice_netdev_priv *np = netdev_priv(netdev);
1151         struct ice_vsi *vsi = np->vsi;
1152         struct ice_pf *pf = vsi->back;
1153         u32 i, ret_flags = 0;
1154
1155         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1156                 const struct ice_priv_flag *priv_flag;
1157
1158                 priv_flag = &ice_gstrings_priv_flags[i];
1159
1160                 if (test_bit(priv_flag->bitno, pf->flags))
1161                         ret_flags |= BIT(i);
1162         }
1163
1164         return ret_flags;
1165 }
1166
1167 /**
1168  * ice_set_priv_flags - set private flags
1169  * @netdev: network interface device structure
1170  * @flags: bit flags to be set
1171  */
1172 static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1173 {
1174         struct ice_netdev_priv *np = netdev_priv(netdev);
1175         DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1176         DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1177         struct ice_vsi *vsi = np->vsi;
1178         struct ice_pf *pf = vsi->back;
1179         struct device *dev;
1180         int ret = 0;
1181         u32 i;
1182
1183         if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1184                 return -EINVAL;
1185
1186         dev = ice_pf_to_dev(pf);
1187         set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1188
1189         bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1190         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1191                 const struct ice_priv_flag *priv_flag;
1192
1193                 priv_flag = &ice_gstrings_priv_flags[i];
1194
1195                 if (flags & BIT(i))
1196                         set_bit(priv_flag->bitno, pf->flags);
1197                 else
1198                         clear_bit(priv_flag->bitno, pf->flags);
1199         }
1200
1201         bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1202
1203         /* Do not allow change to link-down-on-close when Total Port Shutdown
1204          * is enabled.
1205          */
1206         if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) &&
1207             test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) {
1208                 dev_err(dev, "Setting link-down-on-close not supported on this port\n");
1209                 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags);
1210                 ret = -EINVAL;
1211                 goto ethtool_exit;
1212         }
1213
1214         if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1215                 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1216                         enum ice_status status;
1217
1218                         /* Disable FW LLDP engine */
1219                         status = ice_cfg_lldp_mib_change(&pf->hw, false);
1220
1221                         /* If unregistering for LLDP events fails, this is
1222                          * not an error state, as there shouldn't be any
1223                          * events to respond to.
1224                          */
1225                         if (status)
1226                                 dev_info(dev, "Failed to unreg for LLDP events\n");
1227
1228                         /* The AQ call to stop the FW LLDP agent will generate
1229                          * an error if the agent is already stopped.
1230                          */
1231                         status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1232                         if (status)
1233                                 dev_warn(dev, "Fail to stop LLDP agent\n");
1234                         /* Use case for having the FW LLDP agent stopped
1235                          * will likely not need DCB, so failure to init is
1236                          * not a concern of ethtool
1237                          */
1238                         status = ice_init_pf_dcb(pf, true);
1239                         if (status)
1240                                 dev_warn(dev, "Fail to init DCB\n");
1241                 } else {
1242                         enum ice_status status;
1243                         bool dcbx_agent_status;
1244
1245                         /* AQ command to start FW LLDP agent will return an
1246                          * error if the agent is already started
1247                          */
1248                         status = ice_aq_start_lldp(&pf->hw, true, NULL);
1249                         if (status)
1250                                 dev_warn(dev, "Fail to start LLDP Agent\n");
1251
1252                         /* AQ command to start FW DCBX agent will fail if
1253                          * the agent is already started
1254                          */
1255                         status = ice_aq_start_stop_dcbx(&pf->hw, true,
1256                                                         &dcbx_agent_status,
1257                                                         NULL);
1258                         if (status)
1259                                 dev_dbg(dev, "Failed to start FW DCBX\n");
1260
1261                         dev_info(dev, "FW DCBX agent is %s\n",
1262                                  dcbx_agent_status ? "ACTIVE" : "DISABLED");
1263
1264                         /* Failure to configure MIB change or init DCB is not
1265                          * relevant to ethtool.  Print notification that
1266                          * registration/init failed but do not return error
1267                          * state to ethtool
1268                          */
1269                         status = ice_init_pf_dcb(pf, true);
1270                         if (status)
1271                                 dev_dbg(dev, "Fail to init DCB\n");
1272
1273                         /* Remove rule to direct LLDP packets to default VSI.
1274                          * The FW LLDP engine will now be consuming them.
1275                          */
1276                         ice_cfg_sw_lldp(vsi, false, false);
1277
1278                         /* Register for MIB change events */
1279                         status = ice_cfg_lldp_mib_change(&pf->hw, true);
1280                         if (status)
1281                                 dev_dbg(dev, "Fail to enable MIB change events\n");
1282
1283                         ice_nway_reset(netdev);
1284                 }
1285         }
1286         if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1287                 /* down and up VSI so that changes of Rx cfg are reflected. */
1288                 ice_down(vsi);
1289                 ice_up(vsi);
1290         }
1291         /* don't allow modification of this flag when a single VF is in
1292          * promiscuous mode because it's not supported
1293          */
1294         if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) &&
1295             ice_is_any_vf_in_promisc(pf)) {
1296                 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n");
1297                 /* toggle bit back to previous state */
1298                 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags);
1299                 ret = -EAGAIN;
1300         }
1301 ethtool_exit:
1302         clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1303         return ret;
1304 }
1305
1306 static int ice_get_sset_count(struct net_device *netdev, int sset)
1307 {
1308         switch (sset) {
1309         case ETH_SS_STATS:
1310                 /* The number (and order) of strings reported *must* remain
1311                  * constant for a given netdevice. This function must not
1312                  * report a different number based on run time parameters
1313                  * (such as the number of queues in use, or the setting of
1314                  * a private ethtool flag). This is due to the nature of the
1315                  * ethtool stats API.
1316                  *
1317                  * Userspace programs such as ethtool must make 3 separate
1318                  * ioctl requests, one for size, one for the strings, and
1319                  * finally one for the stats. Since these cross into
1320                  * userspace, changes to the number or size could result in
1321                  * undefined memory access or incorrect string<->value
1322                  * correlations for statistics.
1323                  *
1324                  * Even if it appears to be safe, changes to the size or
1325                  * order of strings will suffer from race conditions and are
1326                  * not safe.
1327                  */
1328                 return ICE_ALL_STATS_LEN(netdev);
1329         case ETH_SS_TEST:
1330                 return ICE_TEST_LEN;
1331         case ETH_SS_PRIV_FLAGS:
1332                 return ICE_PRIV_FLAG_ARRAY_SIZE;
1333         default:
1334                 return -EOPNOTSUPP;
1335         }
1336 }
1337
1338 static void
1339 ice_get_ethtool_stats(struct net_device *netdev,
1340                       struct ethtool_stats __always_unused *stats, u64 *data)
1341 {
1342         struct ice_netdev_priv *np = netdev_priv(netdev);
1343         struct ice_vsi *vsi = np->vsi;
1344         struct ice_pf *pf = vsi->back;
1345         struct ice_ring *ring;
1346         unsigned int j;
1347         int i = 0;
1348         char *p;
1349
1350         ice_update_pf_stats(pf);
1351         ice_update_vsi_stats(vsi);
1352
1353         for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1354                 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1355                 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1356                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1357         }
1358
1359         /* populate per queue stats */
1360         rcu_read_lock();
1361
1362         ice_for_each_alloc_txq(vsi, j) {
1363                 ring = READ_ONCE(vsi->tx_rings[j]);
1364                 if (ring) {
1365                         data[i++] = ring->stats.pkts;
1366                         data[i++] = ring->stats.bytes;
1367                 } else {
1368                         data[i++] = 0;
1369                         data[i++] = 0;
1370                 }
1371         }
1372
1373         ice_for_each_alloc_rxq(vsi, j) {
1374                 ring = READ_ONCE(vsi->rx_rings[j]);
1375                 if (ring) {
1376                         data[i++] = ring->stats.pkts;
1377                         data[i++] = ring->stats.bytes;
1378                 } else {
1379                         data[i++] = 0;
1380                         data[i++] = 0;
1381                 }
1382         }
1383
1384         rcu_read_unlock();
1385
1386         if (vsi->type != ICE_VSI_PF)
1387                 return;
1388
1389         for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1390                 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1391                 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1392                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1393         }
1394
1395         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1396                 data[i++] = pf->stats.priority_xon_tx[j];
1397                 data[i++] = pf->stats.priority_xoff_tx[j];
1398         }
1399
1400         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1401                 data[i++] = pf->stats.priority_xon_rx[j];
1402                 data[i++] = pf->stats.priority_xoff_rx[j];
1403         }
1404 }
1405
1406 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G    (ICE_PHY_TYPE_LOW_100BASE_TX | \
1407                                          ICE_PHY_TYPE_LOW_100M_SGMII)
1408
1409 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G   (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \
1410                                          ICE_PHY_TYPE_LOW_1000BASE_T | \
1411                                          ICE_PHY_TYPE_LOW_1000BASE_SX | \
1412                                          ICE_PHY_TYPE_LOW_1000BASE_LX | \
1413                                          ICE_PHY_TYPE_LOW_1000BASE_KX | \
1414                                          ICE_PHY_TYPE_LOW_1G_SGMII | \
1415                                          ICE_PHY_TYPE_LOW_2500BASE_T | \
1416                                          ICE_PHY_TYPE_LOW_2500BASE_X | \
1417                                          ICE_PHY_TYPE_LOW_2500BASE_KX | \
1418                                          ICE_PHY_TYPE_LOW_5GBASE_T | \
1419                                          ICE_PHY_TYPE_LOW_5GBASE_KR | \
1420                                          ICE_PHY_TYPE_LOW_10GBASE_T | \
1421                                          ICE_PHY_TYPE_LOW_10G_SFI_DA | \
1422                                          ICE_PHY_TYPE_LOW_10GBASE_SR | \
1423                                          ICE_PHY_TYPE_LOW_10GBASE_LR | \
1424                                          ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \
1425                                          ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \
1426                                          ICE_PHY_TYPE_LOW_10G_SFI_C2C)
1427
1428 #define ICE_PHY_TYPE_LOW_MASK_100G      (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \
1429                                          ICE_PHY_TYPE_LOW_100GBASE_SR4 | \
1430                                          ICE_PHY_TYPE_LOW_100GBASE_LR4 | \
1431                                          ICE_PHY_TYPE_LOW_100GBASE_KR4 | \
1432                                          ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \
1433                                          ICE_PHY_TYPE_LOW_100G_CAUI4 | \
1434                                          ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \
1435                                          ICE_PHY_TYPE_LOW_100G_AUI4 | \
1436                                          ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \
1437                                          ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \
1438                                          ICE_PHY_TYPE_LOW_100GBASE_CP2 | \
1439                                          ICE_PHY_TYPE_LOW_100GBASE_SR2 | \
1440                                          ICE_PHY_TYPE_LOW_100GBASE_DR)
1441
1442 #define ICE_PHY_TYPE_HIGH_MASK_100G     (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \
1443                                          ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\
1444                                          ICE_PHY_TYPE_HIGH_100G_CAUI2 | \
1445                                          ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \
1446                                          ICE_PHY_TYPE_HIGH_100G_AUI2)
1447
1448 /**
1449  * ice_mask_min_supported_speeds
1450  * @phy_types_high: PHY type high
1451  * @phy_types_low: PHY type low to apply minimum supported speeds mask
1452  *
1453  * Apply minimum supported speeds mask to PHY type low. These are the speeds
1454  * for ethtool supported link mode.
1455  */
1456 static
1457 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low)
1458 {
1459         /* if QSFP connection with 100G speed, minimum supported speed is 25G */
1460         if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G ||
1461             phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G)
1462                 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G;
1463         else
1464                 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G;
1465 }
1466
1467 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode)    \
1468         do {                                                                 \
1469                 if (req_speeds & (aq_link_speed) ||                          \
1470                     (!req_speeds &&                                          \
1471                      (adv_phy_type_lo & phy_type_mask_lo ||                  \
1472                       adv_phy_type_hi & phy_type_mask_hi)))                  \
1473                         ethtool_link_ksettings_add_link_mode(ks, advertising,\
1474                                                         ethtool_link_mode);  \
1475         } while (0)
1476
1477 /**
1478  * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1479  * @netdev: network interface device structure
1480  * @ks: ethtool link ksettings struct to fill out
1481  */
1482 static void
1483 ice_phy_type_to_ethtool(struct net_device *netdev,
1484                         struct ethtool_link_ksettings *ks)
1485 {
1486         struct ice_netdev_priv *np = netdev_priv(netdev);
1487         struct ice_vsi *vsi = np->vsi;
1488         struct ice_pf *pf = vsi->back;
1489         u64 phy_type_mask_lo = 0;
1490         u64 phy_type_mask_hi = 0;
1491         u64 adv_phy_type_lo = 0;
1492         u64 adv_phy_type_hi = 0;
1493         u64 phy_types_high = 0;
1494         u64 phy_types_low = 0;
1495         u16 req_speeds;
1496
1497         req_speeds = vsi->port_info->phy.link_info.req_speeds;
1498
1499         /* Check if lenient mode is supported and enabled, or in strict mode.
1500          *
1501          * In lenient mode the Supported link modes are the PHY types without
1502          * media. The Advertising link mode is either 1. the user requested
1503          * speed, 2. the override PHY mask, or 3. the PHY types with media.
1504          *
1505          * In strict mode Supported link mode are the PHY type with media,
1506          * and Advertising link modes are the media PHY type or the speed
1507          * requested by user.
1508          */
1509         if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
1510                 struct ice_link_default_override_tlv *ldo;
1511
1512                 ldo = &pf->link_dflt_override;
1513                 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo);
1514                 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi);
1515
1516                 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low);
1517
1518                 /* If override enabled and PHY mask set, then
1519                  * Advertising link mode is the intersection of the PHY
1520                  * types without media and the override PHY mask.
1521                  */
1522                 if (ldo->options & ICE_LINK_OVERRIDE_EN &&
1523                     (ldo->phy_type_low || ldo->phy_type_high)) {
1524                         adv_phy_type_lo =
1525                                 le64_to_cpu(pf->nvm_phy_type_lo) &
1526                                 ldo->phy_type_low;
1527                         adv_phy_type_hi =
1528                                 le64_to_cpu(pf->nvm_phy_type_hi) &
1529                                 ldo->phy_type_high;
1530                 }
1531         } else {
1532                 phy_types_low = vsi->port_info->phy.phy_type_low;
1533                 phy_types_high = vsi->port_info->phy.phy_type_high;
1534         }
1535
1536         /* If Advertising link mode PHY type is not using override PHY type,
1537          * then use PHY type with media.
1538          */
1539         if (!adv_phy_type_lo && !adv_phy_type_hi) {
1540                 adv_phy_type_lo = vsi->port_info->phy.phy_type_low;
1541                 adv_phy_type_hi = vsi->port_info->phy.phy_type_high;
1542         }
1543
1544         ethtool_link_ksettings_zero_link_mode(ks, supported);
1545         ethtool_link_ksettings_zero_link_mode(ks, advertising);
1546
1547         phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX |
1548                            ICE_PHY_TYPE_LOW_100M_SGMII;
1549         if (phy_types_low & phy_type_mask_lo) {
1550                 ethtool_link_ksettings_add_link_mode(ks, supported,
1551                                                      100baseT_Full);
1552
1553                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB,
1554                                                 100baseT_Full);
1555         }
1556
1557         phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T |
1558                            ICE_PHY_TYPE_LOW_1G_SGMII;
1559         if (phy_types_low & phy_type_mask_lo) {
1560                 ethtool_link_ksettings_add_link_mode(ks, supported,
1561                                                      1000baseT_Full);
1562                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1563                                                 1000baseT_Full);
1564         }
1565
1566         phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX;
1567         if (phy_types_low & phy_type_mask_lo) {
1568                 ethtool_link_ksettings_add_link_mode(ks, supported,
1569                                                      1000baseKX_Full);
1570                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1571                                                 1000baseKX_Full);
1572         }
1573
1574         phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX |
1575                            ICE_PHY_TYPE_LOW_1000BASE_LX;
1576         if (phy_types_low & phy_type_mask_lo) {
1577                 ethtool_link_ksettings_add_link_mode(ks, supported,
1578                                                      1000baseX_Full);
1579                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB,
1580                                                 1000baseX_Full);
1581         }
1582
1583         phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T;
1584         if (phy_types_low & phy_type_mask_lo) {
1585                 ethtool_link_ksettings_add_link_mode(ks, supported,
1586                                                      2500baseT_Full);
1587                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
1588                                                 2500baseT_Full);
1589         }
1590
1591         phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X |
1592                            ICE_PHY_TYPE_LOW_2500BASE_KX;
1593         if (phy_types_low & phy_type_mask_lo) {
1594                 ethtool_link_ksettings_add_link_mode(ks, supported,
1595                                                      2500baseX_Full);
1596                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB,
1597                                                 2500baseX_Full);
1598         }
1599
1600         phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T |
1601                            ICE_PHY_TYPE_LOW_5GBASE_KR;
1602         if (phy_types_low & phy_type_mask_lo) {
1603                 ethtool_link_ksettings_add_link_mode(ks, supported,
1604                                                      5000baseT_Full);
1605                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB,
1606                                                 5000baseT_Full);
1607         }
1608
1609         phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T |
1610                            ICE_PHY_TYPE_LOW_10G_SFI_DA |
1611                            ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC |
1612                            ICE_PHY_TYPE_LOW_10G_SFI_C2C;
1613         if (phy_types_low & phy_type_mask_lo) {
1614                 ethtool_link_ksettings_add_link_mode(ks, supported,
1615                                                      10000baseT_Full);
1616                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1617                                                 10000baseT_Full);
1618         }
1619
1620         phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1;
1621         if (phy_types_low & phy_type_mask_lo) {
1622                 ethtool_link_ksettings_add_link_mode(ks, supported,
1623                                                      10000baseKR_Full);
1624                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1625                                                 10000baseKR_Full);
1626         }
1627
1628         phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR;
1629         if (phy_types_low & phy_type_mask_lo) {
1630                 ethtool_link_ksettings_add_link_mode(ks, supported,
1631                                                      10000baseSR_Full);
1632                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1633                                                 10000baseSR_Full);
1634         }
1635
1636         phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR;
1637         if (phy_types_low & phy_type_mask_lo) {
1638                 ethtool_link_ksettings_add_link_mode(ks, supported,
1639                                                      10000baseLR_Full);
1640                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB,
1641                                                 10000baseLR_Full);
1642         }
1643
1644         phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T |
1645                            ICE_PHY_TYPE_LOW_25GBASE_CR |
1646                            ICE_PHY_TYPE_LOW_25GBASE_CR_S |
1647                            ICE_PHY_TYPE_LOW_25GBASE_CR1 |
1648                            ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC |
1649                            ICE_PHY_TYPE_LOW_25G_AUI_C2C;
1650         if (phy_types_low & phy_type_mask_lo) {
1651                 ethtool_link_ksettings_add_link_mode(ks, supported,
1652                                                      25000baseCR_Full);
1653                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1654                                                 25000baseCR_Full);
1655         }
1656
1657         phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR |
1658                            ICE_PHY_TYPE_LOW_25GBASE_LR;
1659         if (phy_types_low & phy_type_mask_lo) {
1660                 ethtool_link_ksettings_add_link_mode(ks, supported,
1661                                                      25000baseSR_Full);
1662                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1663                                                 25000baseSR_Full);
1664         }
1665
1666         phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR |
1667                            ICE_PHY_TYPE_LOW_25GBASE_KR_S |
1668                            ICE_PHY_TYPE_LOW_25GBASE_KR1;
1669         if (phy_types_low & phy_type_mask_lo) {
1670                 ethtool_link_ksettings_add_link_mode(ks, supported,
1671                                                      25000baseKR_Full);
1672                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB,
1673                                                 25000baseKR_Full);
1674         }
1675
1676         phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4;
1677         if (phy_types_low & phy_type_mask_lo) {
1678                 ethtool_link_ksettings_add_link_mode(ks, supported,
1679                                                      40000baseKR4_Full);
1680                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1681                                                 40000baseKR4_Full);
1682         }
1683
1684         phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 |
1685                            ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC |
1686                            ICE_PHY_TYPE_LOW_40G_XLAUI;
1687         if (phy_types_low & phy_type_mask_lo) {
1688                 ethtool_link_ksettings_add_link_mode(ks, supported,
1689                                                      40000baseCR4_Full);
1690                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1691                                                 40000baseCR4_Full);
1692         }
1693
1694         phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4;
1695         if (phy_types_low & phy_type_mask_lo) {
1696                 ethtool_link_ksettings_add_link_mode(ks, supported,
1697                                                      40000baseSR4_Full);
1698                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1699                                                 40000baseSR4_Full);
1700         }
1701
1702         phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4;
1703         if (phy_types_low & phy_type_mask_lo) {
1704                 ethtool_link_ksettings_add_link_mode(ks, supported,
1705                                                      40000baseLR4_Full);
1706                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB,
1707                                                 40000baseLR4_Full);
1708         }
1709
1710         phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 |
1711                            ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC |
1712                            ICE_PHY_TYPE_LOW_50G_LAUI2 |
1713                            ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC |
1714                            ICE_PHY_TYPE_LOW_50G_AUI2 |
1715                            ICE_PHY_TYPE_LOW_50GBASE_CP |
1716                            ICE_PHY_TYPE_LOW_50GBASE_SR |
1717                            ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC |
1718                            ICE_PHY_TYPE_LOW_50G_AUI1;
1719         if (phy_types_low & phy_type_mask_lo) {
1720                 ethtool_link_ksettings_add_link_mode(ks, supported,
1721                                                      50000baseCR2_Full);
1722                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1723                                                 50000baseCR2_Full);
1724         }
1725
1726         phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 |
1727                            ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4;
1728         if (phy_types_low & phy_type_mask_lo) {
1729                 ethtool_link_ksettings_add_link_mode(ks, supported,
1730                                                      50000baseKR2_Full);
1731                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1732                                                 50000baseKR2_Full);
1733         }
1734
1735         phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 |
1736                            ICE_PHY_TYPE_LOW_50GBASE_LR2 |
1737                            ICE_PHY_TYPE_LOW_50GBASE_FR |
1738                            ICE_PHY_TYPE_LOW_50GBASE_LR;
1739         if (phy_types_low & phy_type_mask_lo) {
1740                 ethtool_link_ksettings_add_link_mode(ks, supported,
1741                                                      50000baseSR2_Full);
1742                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB,
1743                                                 50000baseSR2_Full);
1744         }
1745
1746         phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 |
1747                            ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC |
1748                            ICE_PHY_TYPE_LOW_100G_CAUI4 |
1749                            ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC |
1750                            ICE_PHY_TYPE_LOW_100G_AUI4 |
1751                            ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 |
1752                            ICE_PHY_TYPE_LOW_100GBASE_CP2;
1753         phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |
1754                            ICE_PHY_TYPE_HIGH_100G_CAUI2 |
1755                            ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC |
1756                            ICE_PHY_TYPE_HIGH_100G_AUI2;
1757         if (phy_types_low & phy_type_mask_lo ||
1758             phy_types_high & phy_type_mask_hi) {
1759                 ethtool_link_ksettings_add_link_mode(ks, supported,
1760                                                      100000baseCR4_Full);
1761                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1762                                                 100000baseCR4_Full);
1763         }
1764
1765         phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 |
1766                            ICE_PHY_TYPE_LOW_100GBASE_SR2;
1767         if (phy_types_low & phy_type_mask_lo) {
1768                 ethtool_link_ksettings_add_link_mode(ks, supported,
1769                                                      100000baseSR4_Full);
1770                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1771                                                 100000baseSR4_Full);
1772         }
1773
1774         phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 |
1775                            ICE_PHY_TYPE_LOW_100GBASE_DR;
1776         if (phy_types_low & phy_type_mask_lo) {
1777                 ethtool_link_ksettings_add_link_mode(ks, supported,
1778                                                      100000baseLR4_ER4_Full);
1779                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1780                                                 100000baseLR4_ER4_Full);
1781         }
1782
1783         phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 |
1784                            ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4;
1785         phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4;
1786         if (phy_types_low & phy_type_mask_lo ||
1787             phy_types_high & phy_type_mask_hi) {
1788                 ethtool_link_ksettings_add_link_mode(ks, supported,
1789                                                      100000baseKR4_Full);
1790                 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB,
1791                                                 100000baseKR4_Full);
1792         }
1793
1794         /* Autoneg PHY types */
1795         if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX ||
1796             phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T ||
1797             phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX ||
1798             phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T ||
1799             phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX ||
1800             phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T ||
1801             phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR ||
1802             phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T ||
1803             phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 ||
1804             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T ||
1805             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR ||
1806             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S ||
1807             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 ||
1808             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR ||
1809             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S ||
1810             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 ||
1811             phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 ||
1812             phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) {
1813                 ethtool_link_ksettings_add_link_mode(ks, supported,
1814                                                      Autoneg);
1815                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1816                                                      Autoneg);
1817         }
1818         if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 ||
1819             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 ||
1820             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP ||
1821             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) {
1822                 ethtool_link_ksettings_add_link_mode(ks, supported,
1823                                                      Autoneg);
1824                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1825                                                      Autoneg);
1826         }
1827         if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 ||
1828             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 ||
1829             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 ||
1830             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) {
1831                 ethtool_link_ksettings_add_link_mode(ks, supported,
1832                                                      Autoneg);
1833                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1834                                                      Autoneg);
1835         }
1836 }
1837
1838 #define TEST_SET_BITS_TIMEOUT   50
1839 #define TEST_SET_BITS_SLEEP_MAX 2000
1840 #define TEST_SET_BITS_SLEEP_MIN 1000
1841
1842 /**
1843  * ice_get_settings_link_up - Get Link settings for when link is up
1844  * @ks: ethtool ksettings to fill in
1845  * @netdev: network interface device structure
1846  */
1847 static void
1848 ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1849                          struct net_device *netdev)
1850 {
1851         struct ice_netdev_priv *np = netdev_priv(netdev);
1852         struct ice_port_info *pi = np->vsi->port_info;
1853         struct ice_link_status *link_info;
1854         struct ice_vsi *vsi = np->vsi;
1855
1856         link_info = &vsi->port_info->phy.link_info;
1857
1858         /* Get supported and advertised settings from PHY ability with media */
1859         ice_phy_type_to_ethtool(netdev, ks);
1860
1861         switch (link_info->link_speed) {
1862         case ICE_AQ_LINK_SPEED_100GB:
1863                 ks->base.speed = SPEED_100000;
1864                 break;
1865         case ICE_AQ_LINK_SPEED_50GB:
1866                 ks->base.speed = SPEED_50000;
1867                 break;
1868         case ICE_AQ_LINK_SPEED_40GB:
1869                 ks->base.speed = SPEED_40000;
1870                 break;
1871         case ICE_AQ_LINK_SPEED_25GB:
1872                 ks->base.speed = SPEED_25000;
1873                 break;
1874         case ICE_AQ_LINK_SPEED_20GB:
1875                 ks->base.speed = SPEED_20000;
1876                 break;
1877         case ICE_AQ_LINK_SPEED_10GB:
1878                 ks->base.speed = SPEED_10000;
1879                 break;
1880         case ICE_AQ_LINK_SPEED_5GB:
1881                 ks->base.speed = SPEED_5000;
1882                 break;
1883         case ICE_AQ_LINK_SPEED_2500MB:
1884                 ks->base.speed = SPEED_2500;
1885                 break;
1886         case ICE_AQ_LINK_SPEED_1000MB:
1887                 ks->base.speed = SPEED_1000;
1888                 break;
1889         case ICE_AQ_LINK_SPEED_100MB:
1890                 ks->base.speed = SPEED_100;
1891                 break;
1892         default:
1893                 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
1894                             link_info->link_speed);
1895                 break;
1896         }
1897         ks->base.duplex = DUPLEX_FULL;
1898
1899         if (link_info->an_info & ICE_AQ_AN_COMPLETED)
1900                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1901                                                      Autoneg);
1902
1903         /* Set flow control negotiated Rx/Tx pause */
1904         switch (pi->fc.current_mode) {
1905         case ICE_FC_FULL:
1906                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1907                 break;
1908         case ICE_FC_TX_PAUSE:
1909                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1910                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1911                                                      Asym_Pause);
1912                 break;
1913         case ICE_FC_RX_PAUSE:
1914                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1915                                                      Asym_Pause);
1916                 break;
1917         case ICE_FC_PFC:
1918         default:
1919                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
1920                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
1921                                                      Asym_Pause);
1922                 break;
1923         }
1924 }
1925
1926 /**
1927  * ice_get_settings_link_down - Get the Link settings when link is down
1928  * @ks: ethtool ksettings to fill in
1929  * @netdev: network interface device structure
1930  *
1931  * Reports link settings that can be determined when link is down
1932  */
1933 static void
1934 ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1935                            struct net_device *netdev)
1936 {
1937         /* link is down and the driver needs to fall back on
1938          * supported PHY types to figure out what info to display
1939          */
1940         ice_phy_type_to_ethtool(netdev, ks);
1941
1942         /* With no link, speed and duplex are unknown */
1943         ks->base.speed = SPEED_UNKNOWN;
1944         ks->base.duplex = DUPLEX_UNKNOWN;
1945 }
1946
1947 /**
1948  * ice_get_link_ksettings - Get Link Speed and Duplex settings
1949  * @netdev: network interface device structure
1950  * @ks: ethtool ksettings
1951  *
1952  * Reports speed/duplex settings based on media_type
1953  */
1954 static int
1955 ice_get_link_ksettings(struct net_device *netdev,
1956                        struct ethtool_link_ksettings *ks)
1957 {
1958         struct ice_netdev_priv *np = netdev_priv(netdev);
1959         struct ice_aqc_get_phy_caps_data *caps;
1960         struct ice_link_status *hw_link_info;
1961         struct ice_vsi *vsi = np->vsi;
1962         enum ice_status status;
1963         int err = 0;
1964
1965         ethtool_link_ksettings_zero_link_mode(ks, supported);
1966         ethtool_link_ksettings_zero_link_mode(ks, advertising);
1967         ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
1968         hw_link_info = &vsi->port_info->phy.link_info;
1969
1970         /* set speed and duplex */
1971         if (hw_link_info->link_info & ICE_AQ_LINK_UP)
1972                 ice_get_settings_link_up(ks, netdev);
1973         else
1974                 ice_get_settings_link_down(ks, netdev);
1975
1976         /* set autoneg settings */
1977         ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
1978                 AUTONEG_ENABLE : AUTONEG_DISABLE;
1979
1980         /* set media type settings */
1981         switch (vsi->port_info->phy.media_type) {
1982         case ICE_MEDIA_FIBER:
1983                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
1984                 ks->base.port = PORT_FIBRE;
1985                 break;
1986         case ICE_MEDIA_BASET:
1987                 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
1988                 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
1989                 ks->base.port = PORT_TP;
1990                 break;
1991         case ICE_MEDIA_BACKPLANE:
1992                 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1993                 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
1994                 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1995                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1996                                                      Backplane);
1997                 ks->base.port = PORT_NONE;
1998                 break;
1999         case ICE_MEDIA_DA:
2000                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
2001                 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
2002                 ks->base.port = PORT_DA;
2003                 break;
2004         default:
2005                 ks->base.port = PORT_OTHER;
2006                 break;
2007         }
2008
2009         /* flow control is symmetric and always supported */
2010         ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
2011
2012         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
2013         if (!caps)
2014                 return -ENOMEM;
2015
2016         status = ice_aq_get_phy_caps(vsi->port_info, false,
2017                                      ICE_AQC_REPORT_SW_CFG, caps, NULL);
2018         if (status) {
2019                 err = -EIO;
2020                 goto done;
2021         }
2022
2023         /* Set the advertised flow control based on the PHY capability */
2024         if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
2025             (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
2026                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2027                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2028                                                      Asym_Pause);
2029         } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
2030                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2031                                                      Asym_Pause);
2032         } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
2033                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
2034                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2035                                                      Asym_Pause);
2036         } else {
2037                 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
2038                 ethtool_link_ksettings_del_link_mode(ks, advertising,
2039                                                      Asym_Pause);
2040         }
2041
2042         /* Set advertised FEC modes based on PHY capability */
2043         ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
2044
2045         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
2046             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
2047                 ethtool_link_ksettings_add_link_mode(ks, advertising,
2048                                                      FEC_BASER);
2049         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
2050             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
2051                 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
2052
2053         status = ice_aq_get_phy_caps(vsi->port_info, false,
2054                                      ICE_AQC_REPORT_TOPO_CAP, caps, NULL);
2055         if (status) {
2056                 err = -EIO;
2057                 goto done;
2058         }
2059
2060         /* Set supported FEC modes based on PHY capability */
2061         ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
2062
2063         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
2064             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
2065                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
2066         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
2067                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
2068
2069 done:
2070         kfree(caps);
2071         return err;
2072 }
2073
2074 /**
2075  * ice_ksettings_find_adv_link_speed - Find advertising link speed
2076  * @ks: ethtool ksettings
2077  */
2078 static u16
2079 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
2080 {
2081         u16 adv_link_speed = 0;
2082
2083         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2084                                                   100baseT_Full))
2085                 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
2086         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2087                                                   1000baseX_Full))
2088                 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2089         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2090                                                   1000baseT_Full) ||
2091             ethtool_link_ksettings_test_link_mode(ks, advertising,
2092                                                   1000baseKX_Full))
2093                 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
2094         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2095                                                   2500baseT_Full))
2096                 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2097         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2098                                                   2500baseX_Full))
2099                 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
2100         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2101                                                   5000baseT_Full))
2102                 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
2103         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2104                                                   10000baseT_Full) ||
2105             ethtool_link_ksettings_test_link_mode(ks, advertising,
2106                                                   10000baseKR_Full))
2107                 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2108         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2109                                                   10000baseSR_Full) ||
2110             ethtool_link_ksettings_test_link_mode(ks, advertising,
2111                                                   10000baseLR_Full))
2112                 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
2113         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2114                                                   25000baseCR_Full) ||
2115             ethtool_link_ksettings_test_link_mode(ks, advertising,
2116                                                   25000baseSR_Full) ||
2117             ethtool_link_ksettings_test_link_mode(ks, advertising,
2118                                                   25000baseKR_Full))
2119                 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
2120         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2121                                                   40000baseCR4_Full) ||
2122             ethtool_link_ksettings_test_link_mode(ks, advertising,
2123                                                   40000baseSR4_Full) ||
2124             ethtool_link_ksettings_test_link_mode(ks, advertising,
2125                                                   40000baseLR4_Full) ||
2126             ethtool_link_ksettings_test_link_mode(ks, advertising,
2127                                                   40000baseKR4_Full))
2128                 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
2129         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2130                                                   50000baseCR2_Full) ||
2131             ethtool_link_ksettings_test_link_mode(ks, advertising,
2132                                                   50000baseKR2_Full))
2133                 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2134         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2135                                                   50000baseSR2_Full))
2136                 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2137         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2138                                                   100000baseCR4_Full) ||
2139             ethtool_link_ksettings_test_link_mode(ks, advertising,
2140                                                   100000baseSR4_Full) ||
2141             ethtool_link_ksettings_test_link_mode(ks, advertising,
2142                                                   100000baseLR4_ER4_Full) ||
2143             ethtool_link_ksettings_test_link_mode(ks, advertising,
2144                                                   100000baseKR4_Full))
2145                 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
2146
2147         return adv_link_speed;
2148 }
2149
2150 /**
2151  * ice_setup_autoneg
2152  * @p: port info
2153  * @ks: ethtool_link_ksettings
2154  * @config: configuration that will be sent down to FW
2155  * @autoneg_enabled: autonegotiation is enabled or not
2156  * @autoneg_changed: will there a change in autonegotiation
2157  * @netdev: network interface device structure
2158  *
2159  * Setup PHY autonegotiation feature
2160  */
2161 static int
2162 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2163                   struct ice_aqc_set_phy_cfg_data *config,
2164                   u8 autoneg_enabled, u8 *autoneg_changed,
2165                   struct net_device *netdev)
2166 {
2167         int err = 0;
2168
2169         *autoneg_changed = 0;
2170
2171         /* Check autoneg */
2172         if (autoneg_enabled == AUTONEG_ENABLE) {
2173                 /* If autoneg was not already enabled */
2174                 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2175                         /* If autoneg is not supported, return error */
2176                         if (!ethtool_link_ksettings_test_link_mode(ks,
2177                                                                    supported,
2178                                                                    Autoneg)) {
2179                                 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2180                                 err = -EINVAL;
2181                         } else {
2182                                 /* Autoneg is allowed to change */
2183                                 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2184                                 *autoneg_changed = 1;
2185                         }
2186                 }
2187         } else {
2188                 /* If autoneg is currently enabled */
2189                 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2190                         /* If autoneg is supported 10GBASE_T is the only PHY
2191                          * that can disable it, so otherwise return error
2192                          */
2193                         if (ethtool_link_ksettings_test_link_mode(ks,
2194                                                                   supported,
2195                                                                   Autoneg)) {
2196                                 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2197                                 err = -EINVAL;
2198                         } else {
2199                                 /* Autoneg is allowed to change */
2200                                 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2201                                 *autoneg_changed = 1;
2202                         }
2203                 }
2204         }
2205
2206         return err;
2207 }
2208
2209 /**
2210  * ice_set_link_ksettings - Set Speed and Duplex
2211  * @netdev: network interface device structure
2212  * @ks: ethtool ksettings
2213  *
2214  * Set speed/duplex per media_types advertised/forced
2215  */
2216 static int
2217 ice_set_link_ksettings(struct net_device *netdev,
2218                        const struct ethtool_link_ksettings *ks)
2219 {
2220         struct ice_netdev_priv *np = netdev_priv(netdev);
2221         struct ethtool_link_ksettings safe_ks, copy_ks;
2222         struct ice_aqc_get_phy_caps_data *abilities;
2223         u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT;
2224         u16 adv_link_speed, curr_link_speed, idx;
2225         struct ice_aqc_set_phy_cfg_data config;
2226         struct ice_pf *pf = np->vsi->back;
2227         struct ice_port_info *p;
2228         u8 autoneg_changed = 0;
2229         enum ice_status status;
2230         u64 phy_type_high = 0;
2231         u64 phy_type_low = 0;
2232         int err = 0;
2233         bool linkup;
2234
2235         p = np->vsi->port_info;
2236
2237         if (!p)
2238                 return -EOPNOTSUPP;
2239
2240         /* Check if this is LAN VSI */
2241         ice_for_each_vsi(pf, idx)
2242                 if (pf->vsi[idx]->type == ICE_VSI_PF) {
2243                         if (np->vsi != pf->vsi[idx])
2244                                 return -EOPNOTSUPP;
2245                         break;
2246                 }
2247
2248         if (p->phy.media_type != ICE_MEDIA_BASET &&
2249             p->phy.media_type != ICE_MEDIA_FIBER &&
2250             p->phy.media_type != ICE_MEDIA_BACKPLANE &&
2251             p->phy.media_type != ICE_MEDIA_DA &&
2252             p->phy.link_info.link_info & ICE_AQ_LINK_UP)
2253                 return -EOPNOTSUPP;
2254
2255         abilities = kzalloc(sizeof(*abilities), GFP_KERNEL);
2256         if (!abilities)
2257                 return -ENOMEM;
2258
2259         /* Get the PHY capabilities based on media */
2260         status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_TOPO_CAP,
2261                                      abilities, NULL);
2262         if (status) {
2263                 err = -EAGAIN;
2264                 goto done;
2265         }
2266
2267         /* copy the ksettings to copy_ks to avoid modifying the original */
2268         memcpy(&copy_ks, ks, sizeof(copy_ks));
2269
2270         /* save autoneg out of ksettings */
2271         autoneg = copy_ks.base.autoneg;
2272
2273         memset(&safe_ks, 0, sizeof(safe_ks));
2274
2275         /* Get link modes supported by hardware.*/
2276         ice_phy_type_to_ethtool(netdev, &safe_ks);
2277
2278         /* and check against modes requested by user.
2279          * Return an error if unsupported mode was set.
2280          */
2281         if (!bitmap_subset(copy_ks.link_modes.advertising,
2282                            safe_ks.link_modes.supported,
2283                            __ETHTOOL_LINK_MODE_MASK_NBITS)) {
2284                 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags))
2285                         netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2286                 err = -EINVAL;
2287                 goto done;
2288         }
2289
2290         /* get our own copy of the bits to check against */
2291         memset(&safe_ks, 0, sizeof(safe_ks));
2292         safe_ks.base.cmd = copy_ks.base.cmd;
2293         safe_ks.base.link_mode_masks_nwords =
2294                 copy_ks.base.link_mode_masks_nwords;
2295         ice_get_link_ksettings(netdev, &safe_ks);
2296
2297         /* set autoneg back to what it currently is */
2298         copy_ks.base.autoneg = safe_ks.base.autoneg;
2299         /* we don't compare the speed */
2300         copy_ks.base.speed = safe_ks.base.speed;
2301
2302         /* If copy_ks.base and safe_ks.base are not the same now, then they are
2303          * trying to set something that we do not support.
2304          */
2305         if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base))) {
2306                 err = -EOPNOTSUPP;
2307                 goto done;
2308         }
2309
2310         while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
2311                 timeout--;
2312                 if (!timeout) {
2313                         err = -EBUSY;
2314                         goto done;
2315                 }
2316                 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2317         }
2318
2319         /* Copy the current user PHY configuration. The current user PHY
2320          * configuration is initialized during probe from PHY capabilities
2321          * software mode, and updated on set PHY configuration.
2322          */
2323         memcpy(&config, &p->phy.curr_user_phy_cfg, sizeof(config));
2324
2325         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2326
2327         /* Check autoneg */
2328         err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed,
2329                                 netdev);
2330
2331         if (err)
2332                 goto done;
2333
2334         /* Call to get the current link speed */
2335         p->phy.get_link_info = true;
2336         status = ice_get_link_status(p, &linkup);
2337         if (status) {
2338                 err = -EAGAIN;
2339                 goto done;
2340         }
2341
2342         curr_link_speed = p->phy.link_info.link_speed;
2343         adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2344
2345         /* If speed didn't get set, set it to what it currently is.
2346          * This is needed because if advertise is 0 (as it is when autoneg
2347          * is disabled) then speed won't get set.
2348          */
2349         if (!adv_link_speed)
2350                 adv_link_speed = curr_link_speed;
2351
2352         /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2353         ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed);
2354
2355         if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2356                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2357                 goto done;
2358         }
2359
2360         /* save the requested speeds */
2361         p->phy.link_info.req_speeds = adv_link_speed;
2362
2363         /* set link and auto negotiation so changes take effect */
2364         config.caps |= ICE_AQ_PHY_ENA_LINK;
2365
2366         /* check if there is a PHY type for the requested advertised speed */
2367         if (!(phy_type_low || phy_type_high)) {
2368                 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2369                 err = -EAGAIN;
2370                 goto done;
2371         }
2372
2373         /* intersect requested advertised speed PHY types with media PHY types
2374          * for set PHY configuration
2375          */
2376         config.phy_type_high = cpu_to_le64(phy_type_high) &
2377                         abilities->phy_type_high;
2378         config.phy_type_low = cpu_to_le64(phy_type_low) &
2379                         abilities->phy_type_low;
2380
2381         if (!(config.phy_type_high || config.phy_type_low)) {
2382                 /* If there is no intersection and lenient mode is enabled, then
2383                  * intersect the requested advertised speed with NVM media type
2384                  * PHY types.
2385                  */
2386                 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) {
2387                         config.phy_type_high = cpu_to_le64(phy_type_high) &
2388                                                pf->nvm_phy_type_hi;
2389                         config.phy_type_low = cpu_to_le64(phy_type_low) &
2390                                               pf->nvm_phy_type_lo;
2391                 } else {
2392                         netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n");
2393                         err = -EAGAIN;
2394                         goto done;
2395                 }
2396         }
2397
2398         /* If link is up put link down */
2399         if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2400                 /* Tell the OS link is going down, the link will go
2401                  * back up when fw says it is ready asynchronously
2402                  */
2403                 ice_print_link_msg(np->vsi, false);
2404                 netif_carrier_off(netdev);
2405                 netif_tx_stop_all_queues(netdev);
2406         }
2407
2408         /* make the aq call */
2409         status = ice_aq_set_phy_cfg(&pf->hw, p, &config, NULL);
2410         if (status) {
2411                 netdev_info(netdev, "Set phy config failed,\n");
2412                 err = -EAGAIN;
2413                 goto done;
2414         }
2415
2416         /* Save speed request */
2417         p->phy.curr_user_speed_req = adv_link_speed;
2418 done:
2419         kfree(abilities);
2420         clear_bit(__ICE_CFG_BUSY, pf->state);
2421
2422         return err;
2423 }
2424
2425 /**
2426  * ice_parse_hdrs - parses headers from RSS hash input
2427  * @nfc: ethtool rxnfc command
2428  *
2429  * This function parses the rxnfc command and returns intended
2430  * header types for RSS configuration
2431  */
2432 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2433 {
2434         u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2435
2436         switch (nfc->flow_type) {
2437         case TCP_V4_FLOW:
2438                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2439                 break;
2440         case UDP_V4_FLOW:
2441                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2442                 break;
2443         case SCTP_V4_FLOW:
2444                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2445                 break;
2446         case TCP_V6_FLOW:
2447                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2448                 break;
2449         case UDP_V6_FLOW:
2450                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2451                 break;
2452         case SCTP_V6_FLOW:
2453                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2454                 break;
2455         default:
2456                 break;
2457         }
2458         return hdrs;
2459 }
2460
2461 #define ICE_FLOW_HASH_FLD_IPV4_SA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
2462 #define ICE_FLOW_HASH_FLD_IPV6_SA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
2463 #define ICE_FLOW_HASH_FLD_IPV4_DA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
2464 #define ICE_FLOW_HASH_FLD_IPV6_DA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
2465 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
2466 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
2467 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
2468 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
2469 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
2470         BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
2471 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
2472         BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
2473
2474 /**
2475  * ice_parse_hash_flds - parses hash fields from RSS hash input
2476  * @nfc: ethtool rxnfc command
2477  *
2478  * This function parses the rxnfc command and returns intended
2479  * hash fields for RSS configuration
2480  */
2481 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
2482 {
2483         u64 hfld = ICE_HASH_INVALID;
2484
2485         if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2486                 switch (nfc->flow_type) {
2487                 case TCP_V4_FLOW:
2488                 case UDP_V4_FLOW:
2489                 case SCTP_V4_FLOW:
2490                         if (nfc->data & RXH_IP_SRC)
2491                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2492                         if (nfc->data & RXH_IP_DST)
2493                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2494                         break;
2495                 case TCP_V6_FLOW:
2496                 case UDP_V6_FLOW:
2497                 case SCTP_V6_FLOW:
2498                         if (nfc->data & RXH_IP_SRC)
2499                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2500                         if (nfc->data & RXH_IP_DST)
2501                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2502                         break;
2503                 default:
2504                         break;
2505                 }
2506         }
2507
2508         if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2509                 switch (nfc->flow_type) {
2510                 case TCP_V4_FLOW:
2511                 case TCP_V6_FLOW:
2512                         if (nfc->data & RXH_L4_B_0_1)
2513                                 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2514                         if (nfc->data & RXH_L4_B_2_3)
2515                                 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2516                         break;
2517                 case UDP_V4_FLOW:
2518                 case UDP_V6_FLOW:
2519                         if (nfc->data & RXH_L4_B_0_1)
2520                                 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2521                         if (nfc->data & RXH_L4_B_2_3)
2522                                 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2523                         break;
2524                 case SCTP_V4_FLOW:
2525                 case SCTP_V6_FLOW:
2526                         if (nfc->data & RXH_L4_B_0_1)
2527                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2528                         if (nfc->data & RXH_L4_B_2_3)
2529                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2530                         break;
2531                 default:
2532                         break;
2533                 }
2534         }
2535
2536         return hfld;
2537 }
2538
2539 /**
2540  * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2541  * @vsi: the VSI being configured
2542  * @nfc: ethtool rxnfc command
2543  *
2544  * Returns Success if the flow input set is supported.
2545  */
2546 static int
2547 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2548 {
2549         struct ice_pf *pf = vsi->back;
2550         enum ice_status status;
2551         struct device *dev;
2552         u64 hashed_flds;
2553         u32 hdrs;
2554
2555         dev = ice_pf_to_dev(pf);
2556         if (ice_is_safe_mode(pf)) {
2557                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2558                         vsi->vsi_num);
2559                 return -EINVAL;
2560         }
2561
2562         hashed_flds = ice_parse_hash_flds(nfc);
2563         if (hashed_flds == ICE_HASH_INVALID) {
2564                 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2565                         vsi->vsi_num);
2566                 return -EINVAL;
2567         }
2568
2569         hdrs = ice_parse_hdrs(nfc);
2570         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2571                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2572                         vsi->vsi_num);
2573                 return -EINVAL;
2574         }
2575
2576         status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
2577         if (status) {
2578                 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n",
2579                         vsi->vsi_num, ice_stat_str(status));
2580                 return -EINVAL;
2581         }
2582
2583         return 0;
2584 }
2585
2586 /**
2587  * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2588  * @vsi: the VSI being configured
2589  * @nfc: ethtool rxnfc command
2590  */
2591 static void
2592 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2593 {
2594         struct ice_pf *pf = vsi->back;
2595         struct device *dev;
2596         u64 hash_flds;
2597         u32 hdrs;
2598
2599         dev = ice_pf_to_dev(pf);
2600
2601         nfc->data = 0;
2602         if (ice_is_safe_mode(pf)) {
2603                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2604                         vsi->vsi_num);
2605                 return;
2606         }
2607
2608         hdrs = ice_parse_hdrs(nfc);
2609         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2610                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2611                         vsi->vsi_num);
2612                 return;
2613         }
2614
2615         hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
2616         if (hash_flds == ICE_HASH_INVALID) {
2617                 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2618                         vsi->vsi_num);
2619                 return;
2620         }
2621
2622         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2623             hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2624                 nfc->data |= (u64)RXH_IP_SRC;
2625
2626         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2627             hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2628                 nfc->data |= (u64)RXH_IP_DST;
2629
2630         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2631             hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2632             hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2633                 nfc->data |= (u64)RXH_L4_B_0_1;
2634
2635         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2636             hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2637             hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2638                 nfc->data |= (u64)RXH_L4_B_2_3;
2639 }
2640
2641 /**
2642  * ice_set_rxnfc - command to set Rx flow rules.
2643  * @netdev: network interface device structure
2644  * @cmd: ethtool rxnfc command
2645  *
2646  * Returns 0 for success and negative values for errors
2647  */
2648 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2649 {
2650         struct ice_netdev_priv *np = netdev_priv(netdev);
2651         struct ice_vsi *vsi = np->vsi;
2652
2653         switch (cmd->cmd) {
2654         case ETHTOOL_SRXCLSRLINS:
2655                 return ice_add_fdir_ethtool(vsi, cmd);
2656         case ETHTOOL_SRXCLSRLDEL:
2657                 return ice_del_fdir_ethtool(vsi, cmd);
2658         case ETHTOOL_SRXFH:
2659                 return ice_set_rss_hash_opt(vsi, cmd);
2660         default:
2661                 break;
2662         }
2663         return -EOPNOTSUPP;
2664 }
2665
2666 /**
2667  * ice_get_rxnfc - command to get Rx flow classification rules
2668  * @netdev: network interface device structure
2669  * @cmd: ethtool rxnfc command
2670  * @rule_locs: buffer to rturn Rx flow classification rules
2671  *
2672  * Returns Success if the command is supported.
2673  */
2674 static int
2675 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2676               u32 __always_unused *rule_locs)
2677 {
2678         struct ice_netdev_priv *np = netdev_priv(netdev);
2679         struct ice_vsi *vsi = np->vsi;
2680         int ret = -EOPNOTSUPP;
2681         struct ice_hw *hw;
2682
2683         hw = &vsi->back->hw;
2684
2685         switch (cmd->cmd) {
2686         case ETHTOOL_GRXRINGS:
2687                 cmd->data = vsi->rss_size;
2688                 ret = 0;
2689                 break;
2690         case ETHTOOL_GRXCLSRLCNT:
2691                 cmd->rule_cnt = hw->fdir_active_fltr;
2692                 /* report total rule count */
2693                 cmd->data = ice_get_fdir_cnt_all(hw);
2694                 ret = 0;
2695                 break;
2696         case ETHTOOL_GRXCLSRULE:
2697                 ret = ice_get_ethtool_fdir_entry(hw, cmd);
2698                 break;
2699         case ETHTOOL_GRXCLSRLALL:
2700                 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs);
2701                 break;
2702         case ETHTOOL_GRXFH:
2703                 ice_get_rss_hash_opt(vsi, cmd);
2704                 ret = 0;
2705                 break;
2706         default:
2707                 break;
2708         }
2709
2710         return ret;
2711 }
2712
2713 static void
2714 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
2715 {
2716         struct ice_netdev_priv *np = netdev_priv(netdev);
2717         struct ice_vsi *vsi = np->vsi;
2718
2719         ring->rx_max_pending = ICE_MAX_NUM_DESC;
2720         ring->tx_max_pending = ICE_MAX_NUM_DESC;
2721         ring->rx_pending = vsi->rx_rings[0]->count;
2722         ring->tx_pending = vsi->tx_rings[0]->count;
2723
2724         /* Rx mini and jumbo rings are not supported */
2725         ring->rx_mini_max_pending = 0;
2726         ring->rx_jumbo_max_pending = 0;
2727         ring->rx_mini_pending = 0;
2728         ring->rx_jumbo_pending = 0;
2729 }
2730
2731 static int
2732 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
2733 {
2734         struct ice_ring *tx_rings = NULL, *rx_rings = NULL;
2735         struct ice_netdev_priv *np = netdev_priv(netdev);
2736         struct ice_ring *xdp_rings = NULL;
2737         struct ice_vsi *vsi = np->vsi;
2738         struct ice_pf *pf = vsi->back;
2739         int i, timeout = 50, err = 0;
2740         u16 new_rx_cnt, new_tx_cnt;
2741
2742         if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2743             ring->tx_pending < ICE_MIN_NUM_DESC ||
2744             ring->rx_pending > ICE_MAX_NUM_DESC ||
2745             ring->rx_pending < ICE_MIN_NUM_DESC) {
2746                 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2747                            ring->tx_pending, ring->rx_pending,
2748                            ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2749                            ICE_REQ_DESC_MULTIPLE);
2750                 return -EINVAL;
2751         }
2752
2753         new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2754         if (new_tx_cnt != ring->tx_pending)
2755                 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2756                             new_tx_cnt);
2757         new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2758         if (new_rx_cnt != ring->rx_pending)
2759                 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2760                             new_rx_cnt);
2761
2762         /* if nothing to do return success */
2763         if (new_tx_cnt == vsi->tx_rings[0]->count &&
2764             new_rx_cnt == vsi->rx_rings[0]->count) {
2765                 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2766                 return 0;
2767         }
2768
2769         /* If there is a AF_XDP UMEM attached to any of Rx rings,
2770          * disallow changing the number of descriptors -- regardless
2771          * if the netdev is running or not.
2772          */
2773         if (ice_xsk_any_rx_ring_ena(vsi))
2774                 return -EBUSY;
2775
2776         while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
2777                 timeout--;
2778                 if (!timeout)
2779                         return -EBUSY;
2780                 usleep_range(1000, 2000);
2781         }
2782
2783         /* set for the next time the netdev is started */
2784         if (!netif_running(vsi->netdev)) {
2785                 for (i = 0; i < vsi->alloc_txq; i++)
2786                         vsi->tx_rings[i]->count = new_tx_cnt;
2787                 for (i = 0; i < vsi->alloc_rxq; i++)
2788                         vsi->rx_rings[i]->count = new_rx_cnt;
2789                 if (ice_is_xdp_ena_vsi(vsi))
2790                         for (i = 0; i < vsi->num_xdp_txq; i++)
2791                                 vsi->xdp_rings[i]->count = new_tx_cnt;
2792                 vsi->num_tx_desc = (u16)new_tx_cnt;
2793                 vsi->num_rx_desc = (u16)new_rx_cnt;
2794                 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2795                 goto done;
2796         }
2797
2798         if (new_tx_cnt == vsi->tx_rings[0]->count)
2799                 goto process_rx;
2800
2801         /* alloc updated Tx resources */
2802         netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2803                     vsi->tx_rings[0]->count, new_tx_cnt);
2804
2805         tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2806         if (!tx_rings) {
2807                 err = -ENOMEM;
2808                 goto done;
2809         }
2810
2811         ice_for_each_txq(vsi, i) {
2812                 /* clone ring and setup updated count */
2813                 tx_rings[i] = *vsi->tx_rings[i];
2814                 tx_rings[i].count = new_tx_cnt;
2815                 tx_rings[i].desc = NULL;
2816                 tx_rings[i].tx_buf = NULL;
2817                 err = ice_setup_tx_ring(&tx_rings[i]);
2818                 if (err) {
2819                         while (i--)
2820                                 ice_clean_tx_ring(&tx_rings[i]);
2821                         kfree(tx_rings);
2822                         goto done;
2823                 }
2824         }
2825
2826         if (!ice_is_xdp_ena_vsi(vsi))
2827                 goto process_rx;
2828
2829         /* alloc updated XDP resources */
2830         netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
2831                     vsi->xdp_rings[0]->count, new_tx_cnt);
2832
2833         xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
2834         if (!xdp_rings) {
2835                 err = -ENOMEM;
2836                 goto free_tx;
2837         }
2838
2839         for (i = 0; i < vsi->num_xdp_txq; i++) {
2840                 /* clone ring and setup updated count */
2841                 xdp_rings[i] = *vsi->xdp_rings[i];
2842                 xdp_rings[i].count = new_tx_cnt;
2843                 xdp_rings[i].desc = NULL;
2844                 xdp_rings[i].tx_buf = NULL;
2845                 err = ice_setup_tx_ring(&xdp_rings[i]);
2846                 if (err) {
2847                         while (i--)
2848                                 ice_clean_tx_ring(&xdp_rings[i]);
2849                         kfree(xdp_rings);
2850                         goto free_tx;
2851                 }
2852                 ice_set_ring_xdp(&xdp_rings[i]);
2853         }
2854
2855 process_rx:
2856         if (new_rx_cnt == vsi->rx_rings[0]->count)
2857                 goto process_link;
2858
2859         /* alloc updated Rx resources */
2860         netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
2861                     vsi->rx_rings[0]->count, new_rx_cnt);
2862
2863         rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
2864         if (!rx_rings) {
2865                 err = -ENOMEM;
2866                 goto done;
2867         }
2868
2869         ice_for_each_rxq(vsi, i) {
2870                 /* clone ring and setup updated count */
2871                 rx_rings[i] = *vsi->rx_rings[i];
2872                 rx_rings[i].count = new_rx_cnt;
2873                 rx_rings[i].desc = NULL;
2874                 rx_rings[i].rx_buf = NULL;
2875                 /* this is to allow wr32 to have something to write to
2876                  * during early allocation of Rx buffers
2877                  */
2878                 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
2879
2880                 err = ice_setup_rx_ring(&rx_rings[i]);
2881                 if (err)
2882                         goto rx_unwind;
2883
2884                 /* allocate Rx buffers */
2885                 err = ice_alloc_rx_bufs(&rx_rings[i],
2886                                         ICE_DESC_UNUSED(&rx_rings[i]));
2887 rx_unwind:
2888                 if (err) {
2889                         while (i) {
2890                                 i--;
2891                                 ice_free_rx_ring(&rx_rings[i]);
2892                         }
2893                         kfree(rx_rings);
2894                         err = -ENOMEM;
2895                         goto free_tx;
2896                 }
2897         }
2898
2899 process_link:
2900         /* Bring interface down, copy in the new ring info, then restore the
2901          * interface. if VSI is up, bring it down and then back up
2902          */
2903         if (!test_and_set_bit(__ICE_DOWN, vsi->state)) {
2904                 ice_down(vsi);
2905
2906                 if (tx_rings) {
2907                         ice_for_each_txq(vsi, i) {
2908                                 ice_free_tx_ring(vsi->tx_rings[i]);
2909                                 *vsi->tx_rings[i] = tx_rings[i];
2910                         }
2911                         kfree(tx_rings);
2912                 }
2913
2914                 if (rx_rings) {
2915                         ice_for_each_rxq(vsi, i) {
2916                                 ice_free_rx_ring(vsi->rx_rings[i]);
2917                                 /* copy the real tail offset */
2918                                 rx_rings[i].tail = vsi->rx_rings[i]->tail;
2919                                 /* this is to fake out the allocation routine
2920                                  * into thinking it has to realloc everything
2921                                  * but the recycling logic will let us re-use
2922                                  * the buffers allocated above
2923                                  */
2924                                 rx_rings[i].next_to_use = 0;
2925                                 rx_rings[i].next_to_clean = 0;
2926                                 rx_rings[i].next_to_alloc = 0;
2927                                 *vsi->rx_rings[i] = rx_rings[i];
2928                         }
2929                         kfree(rx_rings);
2930                 }
2931
2932                 if (xdp_rings) {
2933                         for (i = 0; i < vsi->num_xdp_txq; i++) {
2934                                 ice_free_tx_ring(vsi->xdp_rings[i]);
2935                                 *vsi->xdp_rings[i] = xdp_rings[i];
2936                         }
2937                         kfree(xdp_rings);
2938                 }
2939
2940                 vsi->num_tx_desc = new_tx_cnt;
2941                 vsi->num_rx_desc = new_rx_cnt;
2942                 ice_up(vsi);
2943         }
2944         goto done;
2945
2946 free_tx:
2947         /* error cleanup if the Rx allocations failed after getting Tx */
2948         if (tx_rings) {
2949                 ice_for_each_txq(vsi, i)
2950                         ice_free_tx_ring(&tx_rings[i]);
2951                 kfree(tx_rings);
2952         }
2953
2954 done:
2955         clear_bit(__ICE_CFG_BUSY, pf->state);
2956         return err;
2957 }
2958
2959 /**
2960  * ice_get_pauseparam - Get Flow Control status
2961  * @netdev: network interface device structure
2962  * @pause: ethernet pause (flow control) parameters
2963  *
2964  * Get requested flow control status from PHY capability.
2965  * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
2966  * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
2967  * the negotiated Rx/Tx pause via lp_advertising.
2968  */
2969 static void
2970 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2971 {
2972         struct ice_netdev_priv *np = netdev_priv(netdev);
2973         struct ice_port_info *pi = np->vsi->port_info;
2974         struct ice_aqc_get_phy_caps_data *pcaps;
2975         struct ice_dcbx_cfg *dcbx_cfg;
2976         enum ice_status status;
2977
2978         /* Initialize pause params */
2979         pause->rx_pause = 0;
2980         pause->tx_pause = 0;
2981
2982         dcbx_cfg = &pi->local_dcbx_cfg;
2983
2984         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
2985         if (!pcaps)
2986                 return;
2987
2988         /* Get current PHY config */
2989         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
2990                                      NULL);
2991         if (status)
2992                 goto out;
2993
2994         pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
2995                                                              AUTONEG_DISABLE;
2996
2997         if (dcbx_cfg->pfc.pfcena)
2998                 /* PFC enabled so report LFC as off */
2999                 goto out;
3000
3001         if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
3002                 pause->tx_pause = 1;
3003         if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
3004                 pause->rx_pause = 1;
3005
3006 out:
3007         kfree(pcaps);
3008 }
3009
3010 /**
3011  * ice_set_pauseparam - Set Flow Control parameter
3012  * @netdev: network interface device structure
3013  * @pause: return Tx/Rx flow control status
3014  */
3015 static int
3016 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
3017 {
3018         struct ice_netdev_priv *np = netdev_priv(netdev);
3019         struct ice_aqc_get_phy_caps_data *pcaps;
3020         struct ice_link_status *hw_link_info;
3021         struct ice_pf *pf = np->vsi->back;
3022         struct ice_dcbx_cfg *dcbx_cfg;
3023         struct ice_vsi *vsi = np->vsi;
3024         struct ice_hw *hw = &pf->hw;
3025         struct ice_port_info *pi;
3026         enum ice_status status;
3027         u8 aq_failures;
3028         bool link_up;
3029         int err = 0;
3030         u32 is_an;
3031
3032         pi = vsi->port_info;
3033         hw_link_info = &pi->phy.link_info;
3034         dcbx_cfg = &pi->local_dcbx_cfg;
3035         link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
3036
3037         /* Changing the port's flow control is not supported if this isn't the
3038          * PF VSI
3039          */
3040         if (vsi->type != ICE_VSI_PF) {
3041                 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
3042                 return -EOPNOTSUPP;
3043         }
3044
3045         /* Get pause param reports configured and negotiated flow control pause
3046          * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
3047          * defined get pause param pause->autoneg reports SW configured setting,
3048          * so compare pause->autoneg with SW configured to prevent the user from
3049          * using set pause param to chance autoneg.
3050          */
3051         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
3052         if (!pcaps)
3053                 return -ENOMEM;
3054
3055         /* Get current PHY config */
3056         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
3057                                      NULL);
3058         if (status) {
3059                 kfree(pcaps);
3060                 return -EIO;
3061         }
3062
3063         is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE :
3064                                                     AUTONEG_DISABLE;
3065
3066         kfree(pcaps);
3067
3068         if (pause->autoneg != is_an) {
3069                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
3070                 return -EOPNOTSUPP;
3071         }
3072
3073         /* If we have link and don't have autoneg */
3074         if (!test_bit(__ICE_DOWN, pf->state) &&
3075             !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
3076                 /* Send message that it might not necessarily work*/
3077                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
3078         }
3079
3080         if (dcbx_cfg->pfc.pfcena) {
3081                 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
3082                 return -EOPNOTSUPP;
3083         }
3084         if (pause->rx_pause && pause->tx_pause)
3085                 pi->fc.req_mode = ICE_FC_FULL;
3086         else if (pause->rx_pause && !pause->tx_pause)
3087                 pi->fc.req_mode = ICE_FC_RX_PAUSE;
3088         else if (!pause->rx_pause && pause->tx_pause)
3089                 pi->fc.req_mode = ICE_FC_TX_PAUSE;
3090         else if (!pause->rx_pause && !pause->tx_pause)
3091                 pi->fc.req_mode = ICE_FC_NONE;
3092         else
3093                 return -EINVAL;
3094
3095         /* Set the FC mode and only restart AN if link is up */
3096         status = ice_set_fc(pi, &aq_failures, link_up);
3097
3098         if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
3099                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n",
3100                             ice_stat_str(status),
3101                             ice_aq_str(hw->adminq.sq_last_status));
3102                 err = -EAGAIN;
3103         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
3104                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n",
3105                             ice_stat_str(status),
3106                             ice_aq_str(hw->adminq.sq_last_status));
3107                 err = -EAGAIN;
3108         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
3109                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n",
3110                             ice_stat_str(status),
3111                             ice_aq_str(hw->adminq.sq_last_status));
3112                 err = -EAGAIN;
3113         }
3114
3115         return err;
3116 }
3117
3118 /**
3119  * ice_get_rxfh_key_size - get the RSS hash key size
3120  * @netdev: network interface device structure
3121  *
3122  * Returns the table size.
3123  */
3124 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
3125 {
3126         return ICE_VSIQF_HKEY_ARRAY_SIZE;
3127 }
3128
3129 /**
3130  * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
3131  * @netdev: network interface device structure
3132  *
3133  * Returns the table size.
3134  */
3135 static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
3136 {
3137         struct ice_netdev_priv *np = netdev_priv(netdev);
3138
3139         return np->vsi->rss_table_size;
3140 }
3141
3142 /**
3143  * ice_get_rxfh - get the Rx flow hash indirection table
3144  * @netdev: network interface device structure
3145  * @indir: indirection table
3146  * @key: hash key
3147  * @hfunc: hash function
3148  *
3149  * Reads the indirection table directly from the hardware.
3150  */
3151 static int
3152 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
3153 {
3154         struct ice_netdev_priv *np = netdev_priv(netdev);
3155         struct ice_vsi *vsi = np->vsi;
3156         struct ice_pf *pf = vsi->back;
3157         int ret = 0, i;
3158         u8 *lut;
3159
3160         if (hfunc)
3161                 *hfunc = ETH_RSS_HASH_TOP;
3162
3163         if (!indir)
3164                 return 0;
3165
3166         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3167                 /* RSS not supported return error here */
3168                 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3169                 return -EIO;
3170         }
3171
3172         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3173         if (!lut)
3174                 return -ENOMEM;
3175
3176         if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) {
3177                 ret = -EIO;
3178                 goto out;
3179         }
3180
3181         for (i = 0; i < vsi->rss_table_size; i++)
3182                 indir[i] = (u32)(lut[i]);
3183
3184 out:
3185         kfree(lut);
3186         return ret;
3187 }
3188
3189 /**
3190  * ice_set_rxfh - set the Rx flow hash indirection table
3191  * @netdev: network interface device structure
3192  * @indir: indirection table
3193  * @key: hash key
3194  * @hfunc: hash function
3195  *
3196  * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3197  * returns 0 after programming the table.
3198  */
3199 static int
3200 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
3201              const u8 hfunc)
3202 {
3203         struct ice_netdev_priv *np = netdev_priv(netdev);
3204         struct ice_vsi *vsi = np->vsi;
3205         struct ice_pf *pf = vsi->back;
3206         struct device *dev;
3207         u8 *seed = NULL;
3208
3209         dev = ice_pf_to_dev(pf);
3210         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3211                 return -EOPNOTSUPP;
3212
3213         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3214                 /* RSS not supported return error here */
3215                 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3216                 return -EIO;
3217         }
3218
3219         if (key) {
3220                 if (!vsi->rss_hkey_user) {
3221                         vsi->rss_hkey_user =
3222                                 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3223                                              GFP_KERNEL);
3224                         if (!vsi->rss_hkey_user)
3225                                 return -ENOMEM;
3226                 }
3227                 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
3228                 seed = vsi->rss_hkey_user;
3229         }
3230
3231         if (!vsi->rss_lut_user) {
3232                 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3233                                                  GFP_KERNEL);
3234                 if (!vsi->rss_lut_user)
3235                         return -ENOMEM;
3236         }
3237
3238         /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3239         if (indir) {
3240                 int i;
3241
3242                 for (i = 0; i < vsi->rss_table_size; i++)
3243                         vsi->rss_lut_user[i] = (u8)(indir[i]);
3244         } else {
3245                 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3246                                  vsi->rss_size);
3247         }
3248
3249         if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size))
3250                 return -EIO;
3251
3252         return 0;
3253 }
3254
3255 /**
3256  * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3257  * @pf: PF structure
3258  */
3259 static int ice_get_max_txq(struct ice_pf *pf)
3260 {
3261         return min_t(int, num_online_cpus(),
3262                      pf->hw.func_caps.common_cap.num_txq);
3263 }
3264
3265 /**
3266  * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3267  * @pf: PF structure
3268  */
3269 static int ice_get_max_rxq(struct ice_pf *pf)
3270 {
3271         return min_t(int, num_online_cpus(),
3272                      pf->hw.func_caps.common_cap.num_rxq);
3273 }
3274
3275 /**
3276  * ice_get_combined_cnt - return the current number of combined channels
3277  * @vsi: PF VSI pointer
3278  *
3279  * Go through all queue vectors and count ones that have both Rx and Tx ring
3280  * attached
3281  */
3282 static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3283 {
3284         u32 combined = 0;
3285         int q_idx;
3286
3287         ice_for_each_q_vector(vsi, q_idx) {
3288                 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3289
3290                 if (q_vector->rx.ring && q_vector->tx.ring)
3291                         combined++;
3292         }
3293
3294         return combined;
3295 }
3296
3297 /**
3298  * ice_get_channels - get the current and max supported channels
3299  * @dev: network interface device structure
3300  * @ch: ethtool channel data structure
3301  */
3302 static void
3303 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3304 {
3305         struct ice_netdev_priv *np = netdev_priv(dev);
3306         struct ice_vsi *vsi = np->vsi;
3307         struct ice_pf *pf = vsi->back;
3308
3309         /* report maximum channels */
3310         ch->max_rx = ice_get_max_rxq(pf);
3311         ch->max_tx = ice_get_max_txq(pf);
3312         ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3313
3314         /* report current channels */
3315         ch->combined_count = ice_get_combined_cnt(vsi);
3316         ch->rx_count = vsi->num_rxq - ch->combined_count;
3317         ch->tx_count = vsi->num_txq - ch->combined_count;
3318
3319         /* report other queues */
3320         ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0;
3321         ch->max_other = ch->other_count;
3322 }
3323
3324 /**
3325  * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3326  * @vsi: VSI to reconfigure RSS LUT on
3327  * @req_rss_size: requested range of queue numbers for hashing
3328  *
3329  * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3330  */
3331 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3332 {
3333         struct ice_pf *pf = vsi->back;
3334         enum ice_status status;
3335         struct device *dev;
3336         struct ice_hw *hw;
3337         int err = 0;
3338         u8 *lut;
3339
3340         dev = ice_pf_to_dev(pf);
3341         hw = &pf->hw;
3342
3343         if (!req_rss_size)
3344                 return -EINVAL;
3345
3346         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3347         if (!lut)
3348                 return -ENOMEM;
3349
3350         /* set RSS LUT parameters */
3351         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3352                 vsi->rss_size = 1;
3353         } else {
3354                 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3355
3356                 vsi->rss_size = min_t(int, req_rss_size,
3357                                       BIT(caps->rss_table_entry_width));
3358         }
3359
3360         /* create/set RSS LUT */
3361         ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3362         status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut,
3363                                     vsi->rss_table_size);
3364         if (status) {
3365                 dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n",
3366                         ice_stat_str(status),
3367                         ice_aq_str(hw->adminq.sq_last_status));
3368                 err = -EIO;
3369         }
3370
3371         kfree(lut);
3372         return err;
3373 }
3374
3375 /**
3376  * ice_set_channels - set the number channels
3377  * @dev: network interface device structure
3378  * @ch: ethtool channel data structure
3379  */
3380 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3381 {
3382         struct ice_netdev_priv *np = netdev_priv(dev);
3383         struct ice_vsi *vsi = np->vsi;
3384         struct ice_pf *pf = vsi->back;
3385         int new_rx = 0, new_tx = 0;
3386         u32 curr_combined;
3387
3388         /* do not support changing channels in Safe Mode */
3389         if (ice_is_safe_mode(pf)) {
3390                 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3391                 return -EOPNOTSUPP;
3392         }
3393         /* do not support changing other_count */
3394         if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U))
3395                 return -EINVAL;
3396
3397         if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) {
3398                 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n");
3399                 return -EOPNOTSUPP;
3400         }
3401
3402         curr_combined = ice_get_combined_cnt(vsi);
3403
3404         /* these checks are for cases where user didn't specify a particular
3405          * value on cmd line but we get non-zero value anyway via
3406          * get_channels(); look at ethtool.c in ethtool repository (the user
3407          * space part), particularly, do_schannels() routine
3408          */
3409         if (ch->rx_count == vsi->num_rxq - curr_combined)
3410                 ch->rx_count = 0;
3411         if (ch->tx_count == vsi->num_txq - curr_combined)
3412                 ch->tx_count = 0;
3413         if (ch->combined_count == curr_combined)
3414                 ch->combined_count = 0;
3415
3416         if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3417                 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3418                 return -EINVAL;
3419         }
3420
3421         new_rx = ch->combined_count + ch->rx_count;
3422         new_tx = ch->combined_count + ch->tx_count;
3423
3424         if (new_rx > ice_get_max_rxq(pf)) {
3425                 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3426                            ice_get_max_rxq(pf));
3427                 return -EINVAL;
3428         }
3429         if (new_tx > ice_get_max_txq(pf)) {
3430                 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3431                            ice_get_max_txq(pf));
3432                 return -EINVAL;
3433         }
3434
3435         ice_vsi_recfg_qs(vsi, new_rx, new_tx);
3436
3437         if (new_rx && !netif_is_rxfh_configured(dev))
3438                 return ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3439
3440         return 0;
3441 }
3442
3443 /**
3444  * ice_get_wol - get current Wake on LAN configuration
3445  * @netdev: network interface device structure
3446  * @wol: Ethtool structure to retrieve WoL settings
3447  */
3448 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3449 {
3450         struct ice_netdev_priv *np = netdev_priv(netdev);
3451         struct ice_pf *pf = np->vsi->back;
3452
3453         if (np->vsi->type != ICE_VSI_PF)
3454                 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n");
3455
3456         /* Get WoL settings based on the HW capability */
3457         if (ice_is_wol_supported(pf)) {
3458                 wol->supported = WAKE_MAGIC;
3459                 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0;
3460         } else {
3461                 wol->supported = 0;
3462                 wol->wolopts = 0;
3463         }
3464 }
3465
3466 /**
3467  * ice_set_wol - set Wake on LAN on supported device
3468  * @netdev: network interface device structure
3469  * @wol: Ethtool structure to set WoL
3470  */
3471 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol)
3472 {
3473         struct ice_netdev_priv *np = netdev_priv(netdev);
3474         struct ice_vsi *vsi = np->vsi;
3475         struct ice_pf *pf = vsi->back;
3476
3477         if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(pf))
3478                 return -EOPNOTSUPP;
3479
3480         /* only magic packet is supported */
3481         if (wol->wolopts && wol->wolopts != WAKE_MAGIC)
3482                 return -EOPNOTSUPP;
3483
3484         /* Set WoL only if there is a new value */
3485         if (pf->wol_ena != !!wol->wolopts) {
3486                 pf->wol_ena = !!wol->wolopts;
3487                 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena);
3488                 netdev_dbg(netdev, "WoL magic packet %sabled\n",
3489                            pf->wol_ena ? "en" : "dis");
3490         }
3491
3492         return 0;
3493 }
3494
3495 enum ice_container_type {
3496         ICE_RX_CONTAINER,
3497         ICE_TX_CONTAINER,
3498 };
3499
3500 /**
3501  * ice_get_rc_coalesce - get ITR values for specific ring container
3502  * @ec: ethtool structure to fill with driver's coalesce settings
3503  * @c_type: container type, Rx or Tx
3504  * @rc: ring container that the ITR values will come from
3505  *
3506  * Query the device for ice_ring_container specific ITR values. This is
3507  * done per ice_ring_container because each q_vector can have 1 or more rings
3508  * and all of said ring(s) will have the same ITR values.
3509  *
3510  * Returns 0 on success, negative otherwise.
3511  */
3512 static int
3513 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type,
3514                     struct ice_ring_container *rc)
3515 {
3516         struct ice_pf *pf;
3517
3518         if (!rc->ring)
3519                 return -EINVAL;
3520
3521         pf = rc->ring->vsi->back;
3522
3523         switch (c_type) {
3524         case ICE_RX_CONTAINER:
3525                 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting);
3526                 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3527                 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl;
3528                 break;
3529         case ICE_TX_CONTAINER:
3530                 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting);
3531                 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3532                 break;
3533         default:
3534                 dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type);
3535                 return -EINVAL;
3536         }
3537
3538         return 0;
3539 }
3540
3541 /**
3542  * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3543  * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3544  * @ec: coalesce settings to program the device with
3545  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3546  *
3547  * Return 0 on success, and negative under the following conditions:
3548  * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3549  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3550  */
3551 static int
3552 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3553 {
3554         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3555                 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
3556                                         &vsi->rx_rings[q_num]->q_vector->rx))
3557                         return -EINVAL;
3558                 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
3559                                         &vsi->tx_rings[q_num]->q_vector->tx))
3560                         return -EINVAL;
3561         } else if (q_num < vsi->num_rxq) {
3562                 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
3563                                         &vsi->rx_rings[q_num]->q_vector->rx))
3564                         return -EINVAL;
3565         } else if (q_num < vsi->num_txq) {
3566                 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
3567                                         &vsi->tx_rings[q_num]->q_vector->tx))
3568                         return -EINVAL;
3569         } else {
3570                 return -EINVAL;
3571         }
3572
3573         return 0;
3574 }
3575
3576 /**
3577  * __ice_get_coalesce - get ITR/INTRL values for the device
3578  * @netdev: pointer to the netdev associated with this query
3579  * @ec: ethtool structure to fill with driver's coalesce settings
3580  * @q_num: queue number to get the coalesce settings for
3581  *
3582  * If the caller passes in a negative q_num then we return coalesce settings
3583  * based on queue number 0, else use the actual q_num passed in.
3584  */
3585 static int
3586 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3587                    int q_num)
3588 {
3589         struct ice_netdev_priv *np = netdev_priv(netdev);
3590         struct ice_vsi *vsi = np->vsi;
3591
3592         if (q_num < 0)
3593                 q_num = 0;
3594
3595         if (ice_get_q_coalesce(vsi, ec, q_num))
3596                 return -EINVAL;
3597
3598         return 0;
3599 }
3600
3601 static int
3602 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec)
3603 {
3604         return __ice_get_coalesce(netdev, ec, -1);
3605 }
3606
3607 static int
3608 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3609                        struct ethtool_coalesce *ec)
3610 {
3611         return __ice_get_coalesce(netdev, ec, q_num);
3612 }
3613
3614 /**
3615  * ice_set_rc_coalesce - set ITR values for specific ring container
3616  * @c_type: container type, Rx or Tx
3617  * @ec: ethtool structure from user to update ITR settings
3618  * @rc: ring container that the ITR values will come from
3619  * @vsi: VSI associated to the ring container
3620  *
3621  * Set specific ITR values. This is done per ice_ring_container because each
3622  * q_vector can have 1 or more rings and all of said ring(s) will have the same
3623  * ITR values.
3624  *
3625  * Returns 0 on success, negative otherwise.
3626  */
3627 static int
3628 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec,
3629                     struct ice_ring_container *rc, struct ice_vsi *vsi)
3630 {
3631         const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx";
3632         u32 use_adaptive_coalesce, coalesce_usecs;
3633         struct ice_pf *pf = vsi->back;
3634         u16 itr_setting;
3635
3636         if (!rc->ring)
3637                 return -EINVAL;
3638
3639         switch (c_type) {
3640         case ICE_RX_CONTAINER:
3641                 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3642                     (ec->rx_coalesce_usecs_high &&
3643                      ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3644                         netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3645                                     c_type_str, pf->hw.intrl_gran,
3646                                     ICE_MAX_INTRL);
3647                         return -EINVAL;
3648                 }
3649                 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) {
3650                         rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high;
3651                         wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx),
3652                              ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high,
3653                                                    pf->hw.intrl_gran));
3654                 }
3655
3656                 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3657                 coalesce_usecs = ec->rx_coalesce_usecs;
3658
3659                 break;
3660         case ICE_TX_CONTAINER:
3661                 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3662                 coalesce_usecs = ec->tx_coalesce_usecs;
3663
3664                 break;
3665         default:
3666                 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3667                         c_type);
3668                 return -EINVAL;
3669         }
3670
3671         itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3672         if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3673                 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3674                             c_type_str, c_type_str);
3675                 return -EINVAL;
3676         }
3677
3678         if (coalesce_usecs > ICE_ITR_MAX) {
3679                 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3680                             c_type_str, ICE_ITR_MAX);
3681                 return -EINVAL;
3682         }
3683
3684         if (use_adaptive_coalesce) {
3685                 rc->itr_setting |= ICE_ITR_DYNAMIC;
3686         } else {
3687                 /* save the user set usecs */
3688                 rc->itr_setting = coalesce_usecs;
3689                 /* device ITR granularity is in 2 usec increments */
3690                 rc->target_itr = ITR_REG_ALIGN(rc->itr_setting);
3691         }
3692
3693         return 0;
3694 }
3695
3696 /**
3697  * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3698  * @vsi: VSI associated to the queue that need updating
3699  * @ec: coalesce settings to program the device with
3700  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3701  *
3702  * Return 0 on success, and negative under the following conditions:
3703  * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3704  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3705  */
3706 static int
3707 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3708 {
3709         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3710                 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
3711                                         &vsi->rx_rings[q_num]->q_vector->rx,
3712                                         vsi))
3713                         return -EINVAL;
3714
3715                 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
3716                                         &vsi->tx_rings[q_num]->q_vector->tx,
3717                                         vsi))
3718                         return -EINVAL;
3719         } else if (q_num < vsi->num_rxq) {
3720                 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
3721                                         &vsi->rx_rings[q_num]->q_vector->rx,
3722                                         vsi))
3723                         return -EINVAL;
3724         } else if (q_num < vsi->num_txq) {
3725                 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
3726                                         &vsi->tx_rings[q_num]->q_vector->tx,
3727                                         vsi))
3728                         return -EINVAL;
3729         } else {
3730                 return -EINVAL;
3731         }
3732
3733         return 0;
3734 }
3735
3736 /**
3737  * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
3738  * @netdev: netdev used for print
3739  * @itr_setting: previous user setting
3740  * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
3741  * @coalesce_usecs: requested value of [tx|rx]-usecs
3742  * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
3743  */
3744 static void
3745 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
3746                        u32 use_adaptive_coalesce, u32 coalesce_usecs,
3747                        const char *c_type_str)
3748 {
3749         if (use_adaptive_coalesce)
3750                 return;
3751
3752         itr_setting = ITR_TO_REG(itr_setting);
3753
3754         if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
3755                 netdev_info(netdev, "User set %s-usecs to %d, device only supports even values. Rounding down and attempting to set %s-usecs to %d\n",
3756                             c_type_str, coalesce_usecs, c_type_str,
3757                             ITR_REG_ALIGN(coalesce_usecs));
3758 }
3759
3760 /**
3761  * __ice_set_coalesce - set ITR/INTRL values for the device
3762  * @netdev: pointer to the netdev associated with this query
3763  * @ec: ethtool structure to fill with driver's coalesce settings
3764  * @q_num: queue number to get the coalesce settings for
3765  *
3766  * If the caller passes in a negative q_num then we set the coalesce settings
3767  * for all Tx/Rx queues, else use the actual q_num passed in.
3768  */
3769 static int
3770 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3771                    int q_num)
3772 {
3773         struct ice_netdev_priv *np = netdev_priv(netdev);
3774         struct ice_vsi *vsi = np->vsi;
3775
3776         if (q_num < 0) {
3777                 struct ice_q_vector *q_vector = vsi->q_vectors[0];
3778                 int v_idx;
3779
3780                 if (q_vector) {
3781                         ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
3782                                                ec->use_adaptive_rx_coalesce,
3783                                                ec->rx_coalesce_usecs, "rx");
3784
3785                         ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
3786                                                ec->use_adaptive_tx_coalesce,
3787                                                ec->tx_coalesce_usecs, "tx");
3788                 }
3789
3790                 ice_for_each_q_vector(vsi, v_idx) {
3791                         /* In some cases if DCB is configured the num_[rx|tx]q
3792                          * can be less than vsi->num_q_vectors. This check
3793                          * accounts for that so we don't report a false failure
3794                          */
3795                         if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
3796                                 goto set_complete;
3797
3798                         if (ice_set_q_coalesce(vsi, ec, v_idx))
3799                                 return -EINVAL;
3800                 }
3801                 goto set_complete;
3802         }
3803
3804         if (ice_set_q_coalesce(vsi, ec, q_num))
3805                 return -EINVAL;
3806
3807 set_complete:
3808
3809         return 0;
3810 }
3811
3812 static int
3813 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec)
3814 {
3815         return __ice_set_coalesce(netdev, ec, -1);
3816 }
3817
3818 static int
3819 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
3820                        struct ethtool_coalesce *ec)
3821 {
3822         return __ice_set_coalesce(netdev, ec, q_num);
3823 }
3824
3825 #define ICE_I2C_EEPROM_DEV_ADDR         0xA0
3826 #define ICE_I2C_EEPROM_DEV_ADDR2        0xA2
3827 #define ICE_MODULE_TYPE_SFP             0x03
3828 #define ICE_MODULE_TYPE_QSFP_PLUS       0x0D
3829 #define ICE_MODULE_TYPE_QSFP28          0x11
3830 #define ICE_MODULE_SFF_ADDR_MODE        0x04
3831 #define ICE_MODULE_SFF_DIAG_CAPAB       0x40
3832 #define ICE_MODULE_REVISION_ADDR        0x01
3833 #define ICE_MODULE_SFF_8472_COMP        0x5E
3834 #define ICE_MODULE_SFF_8472_SWAP        0x5C
3835 #define ICE_MODULE_QSFP_MAX_LEN         640
3836
3837 /**
3838  * ice_get_module_info - get SFF module type and revision information
3839  * @netdev: network interface device structure
3840  * @modinfo: module EEPROM size and layout information structure
3841  */
3842 static int
3843 ice_get_module_info(struct net_device *netdev,
3844                     struct ethtool_modinfo *modinfo)
3845 {
3846         struct ice_netdev_priv *np = netdev_priv(netdev);
3847         struct ice_vsi *vsi = np->vsi;
3848         struct ice_pf *pf = vsi->back;
3849         struct ice_hw *hw = &pf->hw;
3850         enum ice_status status;
3851         u8 sff8472_comp = 0;
3852         u8 sff8472_swap = 0;
3853         u8 sff8636_rev = 0;
3854         u8 value = 0;
3855
3856         status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
3857                                    0, &value, 1, 0, NULL);
3858         if (status)
3859                 return -EIO;
3860
3861         switch (value) {
3862         case ICE_MODULE_TYPE_SFP:
3863                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3864                                            ICE_MODULE_SFF_8472_COMP, 0x00, 0,
3865                                            &sff8472_comp, 1, 0, NULL);
3866                 if (status)
3867                         return -EIO;
3868                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3869                                            ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
3870                                            &sff8472_swap, 1, 0, NULL);
3871                 if (status)
3872                         return -EIO;
3873
3874                 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
3875                         modinfo->type = ETH_MODULE_SFF_8079;
3876                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3877                 } else if (sff8472_comp &&
3878                            (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
3879                         modinfo->type = ETH_MODULE_SFF_8472;
3880                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3881                 } else {
3882                         modinfo->type = ETH_MODULE_SFF_8079;
3883                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3884                 }
3885                 break;
3886         case ICE_MODULE_TYPE_QSFP_PLUS:
3887         case ICE_MODULE_TYPE_QSFP28:
3888                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3889                                            ICE_MODULE_REVISION_ADDR, 0x00, 0,
3890                                            &sff8636_rev, 1, 0, NULL);
3891                 if (status)
3892                         return -EIO;
3893                 /* Check revision compliance */
3894                 if (sff8636_rev > 0x02) {
3895                         /* Module is SFF-8636 compliant */
3896                         modinfo->type = ETH_MODULE_SFF_8636;
3897                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
3898                 } else {
3899                         modinfo->type = ETH_MODULE_SFF_8436;
3900                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
3901                 }
3902                 break;
3903         default:
3904                 netdev_warn(netdev, "SFF Module Type not recognized.\n");
3905                 return -EINVAL;
3906         }
3907         return 0;
3908 }
3909
3910 /**
3911  * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
3912  * @netdev: network interface device structure
3913  * @ee: EEPROM dump request structure
3914  * @data: buffer to be filled with EEPROM contents
3915  */
3916 static int
3917 ice_get_module_eeprom(struct net_device *netdev,
3918                       struct ethtool_eeprom *ee, u8 *data)
3919 {
3920         struct ice_netdev_priv *np = netdev_priv(netdev);
3921         u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
3922         struct ice_vsi *vsi = np->vsi;
3923         struct ice_pf *pf = vsi->back;
3924         struct ice_hw *hw = &pf->hw;
3925         enum ice_status status;
3926         bool is_sfp = false;
3927         unsigned int i;
3928         u16 offset = 0;
3929         u8 value = 0;
3930         u8 page = 0;
3931
3932         status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0,
3933                                    &value, 1, 0, NULL);
3934         if (status)
3935                 return -EIO;
3936
3937         if (!ee || !ee->len || !data)
3938                 return -EINVAL;
3939
3940         if (value == ICE_MODULE_TYPE_SFP)
3941                 is_sfp = true;
3942
3943         for (i = 0; i < ee->len; i++) {
3944                 offset = i + ee->offset;
3945
3946                 /* Check if we need to access the other memory page */
3947                 if (is_sfp) {
3948                         if (offset >= ETH_MODULE_SFF_8079_LEN) {
3949                                 offset -= ETH_MODULE_SFF_8079_LEN;
3950                                 addr = ICE_I2C_EEPROM_DEV_ADDR2;
3951                         }
3952                 } else {
3953                         while (offset >= ETH_MODULE_SFF_8436_LEN) {
3954                                 /* Compute memory page number and offset. */
3955                                 offset -= ETH_MODULE_SFF_8436_LEN / 2;
3956                                 page++;
3957                         }
3958                 }
3959
3960                 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp,
3961                                            &value, 1, 0, NULL);
3962                 if (status)
3963                         value = 0;
3964                 data[i] = value;
3965         }
3966         return 0;
3967 }
3968
3969 static const struct ethtool_ops ice_ethtool_ops = {
3970         .supported_coalesce_params = ETHTOOL_COALESCE_USECS |
3971                                      ETHTOOL_COALESCE_USE_ADAPTIVE |
3972                                      ETHTOOL_COALESCE_RX_USECS_HIGH,
3973         .get_link_ksettings     = ice_get_link_ksettings,
3974         .set_link_ksettings     = ice_set_link_ksettings,
3975         .get_drvinfo            = ice_get_drvinfo,
3976         .get_regs_len           = ice_get_regs_len,
3977         .get_regs               = ice_get_regs,
3978         .get_wol                = ice_get_wol,
3979         .set_wol                = ice_set_wol,
3980         .get_msglevel           = ice_get_msglevel,
3981         .set_msglevel           = ice_set_msglevel,
3982         .self_test              = ice_self_test,
3983         .get_link               = ethtool_op_get_link,
3984         .get_eeprom_len         = ice_get_eeprom_len,
3985         .get_eeprom             = ice_get_eeprom,
3986         .get_coalesce           = ice_get_coalesce,
3987         .set_coalesce           = ice_set_coalesce,
3988         .get_strings            = ice_get_strings,
3989         .set_phys_id            = ice_set_phys_id,
3990         .get_ethtool_stats      = ice_get_ethtool_stats,
3991         .get_priv_flags         = ice_get_priv_flags,
3992         .set_priv_flags         = ice_set_priv_flags,
3993         .get_sset_count         = ice_get_sset_count,
3994         .get_rxnfc              = ice_get_rxnfc,
3995         .set_rxnfc              = ice_set_rxnfc,
3996         .get_ringparam          = ice_get_ringparam,
3997         .set_ringparam          = ice_set_ringparam,
3998         .nway_reset             = ice_nway_reset,
3999         .get_pauseparam         = ice_get_pauseparam,
4000         .set_pauseparam         = ice_set_pauseparam,
4001         .get_rxfh_key_size      = ice_get_rxfh_key_size,
4002         .get_rxfh_indir_size    = ice_get_rxfh_indir_size,
4003         .get_rxfh               = ice_get_rxfh,
4004         .set_rxfh               = ice_set_rxfh,
4005         .get_channels           = ice_get_channels,
4006         .set_channels           = ice_set_channels,
4007         .get_ts_info            = ethtool_op_get_ts_info,
4008         .get_per_queue_coalesce = ice_get_per_q_coalesce,
4009         .set_per_queue_coalesce = ice_set_per_q_coalesce,
4010         .get_fecparam           = ice_get_fecparam,
4011         .set_fecparam           = ice_set_fecparam,
4012         .get_module_info        = ice_get_module_info,
4013         .get_module_eeprom      = ice_get_module_eeprom,
4014 };
4015
4016 static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
4017         .get_link_ksettings     = ice_get_link_ksettings,
4018         .set_link_ksettings     = ice_set_link_ksettings,
4019         .get_drvinfo            = ice_get_drvinfo,
4020         .get_regs_len           = ice_get_regs_len,
4021         .get_regs               = ice_get_regs,
4022         .get_wol                = ice_get_wol,
4023         .set_wol                = ice_set_wol,
4024         .get_msglevel           = ice_get_msglevel,
4025         .set_msglevel           = ice_set_msglevel,
4026         .get_link               = ethtool_op_get_link,
4027         .get_eeprom_len         = ice_get_eeprom_len,
4028         .get_eeprom             = ice_get_eeprom,
4029         .get_strings            = ice_get_strings,
4030         .get_ethtool_stats      = ice_get_ethtool_stats,
4031         .get_sset_count         = ice_get_sset_count,
4032         .get_ringparam          = ice_get_ringparam,
4033         .set_ringparam          = ice_set_ringparam,
4034         .nway_reset             = ice_nway_reset,
4035         .get_channels           = ice_get_channels,
4036 };
4037
4038 /**
4039  * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
4040  * @netdev: network interface device structure
4041  */
4042 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
4043 {
4044         netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
4045 }
4046
4047 /**
4048  * ice_set_ethtool_ops - setup netdev ethtool ops
4049  * @netdev: network interface device structure
4050  *
4051  * setup netdev ethtool ops with ice specific ops
4052  */
4053 void ice_set_ethtool_ops(struct net_device *netdev)
4054 {
4055         netdev->ethtool_ops = &ice_ethtool_ops;
4056 }