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_lib.h"
   9 #include "ice_dcb_lib.h"
  10
  11 struct ice_stats {
  12         char stat_string[ETH_GSTRING_LEN];
  13         int sizeof_stat;
  14         int stat_offset;
  15 };
  16
  17 #define ICE_STAT(_type, _name, _stat) { \
  18         .stat_string = _name, \
  19         .sizeof_stat = sizeof_field(_type, _stat), \
  20         .stat_offset = offsetof(_type, _stat) \
  21 }
  22
  23 #define ICE_VSI_STAT(_name, _stat) \
  24                 ICE_STAT(struct ice_vsi, _name, _stat)
  25 #define ICE_PF_STAT(_name, _stat) \
  26                 ICE_STAT(struct ice_pf, _name, _stat)
  27
  28 static int ice_q_stats_len(struct net_device *netdev)
  29 {
  30         struct ice_netdev_priv *np = netdev_priv(netdev);
  31
  32         return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) *
  33                 (sizeof(struct ice_q_stats) / sizeof(u64)));
  34 }
  35
  36 #define ICE_PF_STATS_LEN        ARRAY_SIZE(ice_gstrings_pf_stats)
  37 #define ICE_VSI_STATS_LEN       ARRAY_SIZE(ice_gstrings_vsi_stats)
  38
  39 #define ICE_PFC_STATS_LEN ( \
  40                 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \
  41                  sizeof_field(struct ice_pf, stats.priority_xon_rx) + \
  42                  sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \
  43                  sizeof_field(struct ice_pf, stats.priority_xon_tx)) \
  44                  / sizeof(u64))
  45 #define ICE_ALL_STATS_LEN(n)    (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \
  46                                  ICE_VSI_STATS_LEN + ice_q_stats_len(n))
  47
  48 static const struct ice_stats ice_gstrings_vsi_stats[] = {
  49         ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast),
  50         ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast),
  51         ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast),
  52         ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast),
  53         ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast),
  54         ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast),
  55         ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes),
  56         ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes),
  57         ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards),
  58         ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol),
  59         ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed),
  60         ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed),
  61         ICE_VSI_STAT("tx_errors", eth_stats.tx_errors),
  62         ICE_VSI_STAT("tx_linearize", tx_linearize),
  63 };
  64
  65 enum ice_ethtool_test_id {
  66         ICE_ETH_TEST_REG = 0,
  67         ICE_ETH_TEST_EEPROM,
  68         ICE_ETH_TEST_INTR,
  69         ICE_ETH_TEST_LOOP,
  70         ICE_ETH_TEST_LINK,
  71 };
  72
  73 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = {
  74         "Register test  (offline)",
  75         "EEPROM test    (offline)",
  76         "Interrupt test (offline)",
  77         "Loopback test  (offline)",
  78         "Link test   (on/offline)",
  79 };
  80
  81 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN)
  82
  83 /* These PF_STATs might look like duplicates of some NETDEV_STATs,
  84  * but they aren't. This device is capable of supporting multiple
  85  * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual
  86  * netdevs whereas the PF_STATs are for the physical function that's
  87  * hosting these netdevs.
  88  *
  89  * The PF_STATs are appended to the netdev stats only when ethtool -S
  90  * is queried on the base PF netdev.
  91  */
  92 static const struct ice_stats ice_gstrings_pf_stats[] = {
  93         ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes),
  94         ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes),
  95         ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast),
  96         ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast),
  97         ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast),
  98         ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast),
  99         ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast),
 100         ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast),
 101         ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors),
 102         ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64),
 103         ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64),
 104         ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127),
 105         ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127),
 106         ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255),
 107         ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255),
 108         ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511),
 109         ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511),
 110         ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023),
 111         ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023),
 112         ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522),
 113         ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522),
 114         ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big),
 115         ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big),
 116         ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx),
 117         ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx),
 118         ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx),
 119         ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx),
 120         ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down),
 121         ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize),
 122         ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments),
 123         ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize),
 124         ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber),
 125         ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error),
 126         ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors),
 127         ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards),
 128         ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors),
 129         ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes),
 130         ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults),
 131         ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults),
 132 };
 133
 134 static const u32 ice_regs_dump_list[] = {
 135         PFGEN_STATE,
 136         PRTGEN_STATUS,
 137         QRX_CTRL(0),
 138         QINT_TQCTL(0),
 139         QINT_RQCTL(0),
 140         PFINT_OICR_ENA,
 141         QRX_ITR(0),
 142         PF0INT_ITR_0(0),
 143         PF0INT_ITR_1(0),
 144         PF0INT_ITR_2(0),
 145 };
 146
 147 struct ice_priv_flag {
 148         char name[ETH_GSTRING_LEN];
 149         u32 bitno;                      /* bit position in pf->flags */
 150 };
 151
 152 #define ICE_PRIV_FLAG(_name, _bitno) { \
 153         .name = _name, \
 154         .bitno = _bitno, \
 155 }
 156
 157 static const struct ice_priv_flag ice_gstrings_priv_flags[] = {
 158         ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA),
 159         ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT),
 160         ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX),
 161 };
 162
 163 #define ICE_PRIV_FLAG_ARRAY_SIZE        ARRAY_SIZE(ice_gstrings_priv_flags)
 164
 165 static void
 166 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo)
 167 {
 168         struct ice_netdev_priv *np = netdev_priv(netdev);
 169         u8 oem_ver, oem_patch, nvm_ver_hi, nvm_ver_lo;
 170         struct ice_vsi *vsi = np->vsi;
 171         struct ice_pf *pf = vsi->back;
 172         struct ice_hw *hw = &pf->hw;
 173         u16 oem_build;
 174
 175         strlcpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver));
 176         strlcpy(drvinfo->version, ice_drv_ver, sizeof(drvinfo->version));
 177
 178         /* Display NVM version (from which the firmware version can be
 179          * determined) which contains more pertinent information.
 180          */
 181         ice_get_nvm_version(hw, &oem_ver, &oem_build, &oem_patch,
 182                             &nvm_ver_hi, &nvm_ver_lo);
 183         snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version),
 184                  "%x.%02x 0x%x %d.%d.%d", nvm_ver_hi, nvm_ver_lo,
 185                  hw->nvm.eetrack, oem_ver, oem_build, oem_patch);
 186
 187         strlcpy(drvinfo->bus_info, pci_name(pf->pdev),
 188                 sizeof(drvinfo->bus_info));
 189         drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE;
 190 }
 191
 192 static int ice_get_regs_len(struct net_device __always_unused *netdev)
 193 {
 194         return sizeof(ice_regs_dump_list);
 195 }
 196
 197 static void
 198 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p)
 199 {
 200         struct ice_netdev_priv *np = netdev_priv(netdev);
 201         struct ice_pf *pf = np->vsi->back;
 202         struct ice_hw *hw = &pf->hw;
 203         u32 *regs_buf = (u32 *)p;
 204         int i;
 205
 206         regs->version = 1;
 207
 208         for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i)
 209                 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]);
 210 }
 211
 212 static u32 ice_get_msglevel(struct net_device *netdev)
 213 {
 214         struct ice_netdev_priv *np = netdev_priv(netdev);
 215         struct ice_pf *pf = np->vsi->back;
 216
 217 #ifndef CONFIG_DYNAMIC_DEBUG
 218         if (pf->hw.debug_mask)
 219                 netdev_info(netdev, "hw debug_mask: 0x%llX\n",
 220                             pf->hw.debug_mask);
 221 #endif /* !CONFIG_DYNAMIC_DEBUG */
 222
 223         return pf->msg_enable;
 224 }
 225
 226 static void ice_set_msglevel(struct net_device *netdev, u32 data)
 227 {
 228         struct ice_netdev_priv *np = netdev_priv(netdev);
 229         struct ice_pf *pf = np->vsi->back;
 230
 231 #ifndef CONFIG_DYNAMIC_DEBUG
 232         if (ICE_DBG_USER & data)
 233                 pf->hw.debug_mask = data;
 234         else
 235                 pf->msg_enable = data;
 236 #else
 237         pf->msg_enable = data;
 238 #endif /* !CONFIG_DYNAMIC_DEBUG */
 239 }
 240
 241 static int ice_get_eeprom_len(struct net_device *netdev)
 242 {
 243         struct ice_netdev_priv *np = netdev_priv(netdev);
 244         struct ice_pf *pf = np->vsi->back;
 245
 246         return (int)(pf->hw.nvm.sr_words * sizeof(u16));
 247 }
 248
 249 static int
 250 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom,
 251                u8 *bytes)
 252 {
 253         struct ice_netdev_priv *np = netdev_priv(netdev);
 254         u16 first_word, last_word, nwords;
 255         struct ice_vsi *vsi = np->vsi;
 256         struct ice_pf *pf = vsi->back;
 257         struct ice_hw *hw = &pf->hw;
 258         enum ice_status status;
 259         struct device *dev;
 260         int ret = 0;
 261         u16 *buf;
 262
 263         dev = ice_pf_to_dev(pf);
 264
 265         eeprom->magic = hw->vendor_id | (hw->device_id << 16);
 266
 267         first_word = eeprom->offset >> 1;
 268         last_word = (eeprom->offset + eeprom->len - 1) >> 1;
 269         nwords = last_word - first_word + 1;
 270
 271         buf = devm_kcalloc(dev, nwords, sizeof(u16), GFP_KERNEL);
 272         if (!buf)
 273                 return -ENOMEM;
 274
 275         status = ice_read_sr_buf(hw, first_word, &nwords, buf);
 276         if (status) {
 277                 dev_err(dev, "ice_read_sr_buf failed, err %d aq_err %d\n",
 278                         status, hw->adminq.sq_last_status);
 279                 eeprom->len = sizeof(u16) * nwords;
 280                 ret = -EIO;
 281                 goto out;
 282         }
 283
 284         memcpy(bytes, (u8 *)buf + (eeprom->offset & 1), eeprom->len);
 285 out:
 286         devm_kfree(dev, buf);
 287         return ret;
 288 }
 289
 290 /**
 291  * ice_active_vfs - check if there are any active VFs
 292  * @pf: board private structure
 293  *
 294  * Returns true if an active VF is found, otherwise returns false
 295  */
 296 static bool ice_active_vfs(struct ice_pf *pf)
 297 {
 298         int i;
 299
 300         ice_for_each_vf(pf, i) {
 301                 struct ice_vf *vf = &pf->vf[i];
 302
 303                 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states))
 304                         return true;
 305         }
 306
 307         return false;
 308 }
 309
 310 /**
 311  * ice_link_test - perform a link test on a given net_device
 312  * @netdev: network interface device structure
 313  *
 314  * This function performs one of the self-tests required by ethtool.
 315  * Returns 0 on success, non-zero on failure.
 316  */
 317 static u64 ice_link_test(struct net_device *netdev)
 318 {
 319         struct ice_netdev_priv *np = netdev_priv(netdev);
 320         enum ice_status status;
 321         bool link_up = false;
 322
 323         netdev_info(netdev, "link test\n");
 324         status = ice_get_link_status(np->vsi->port_info, &link_up);
 325         if (status) {
 326                 netdev_err(netdev, "link query error, status = %d\n", status);
 327                 return 1;
 328         }
 329
 330         if (!link_up)
 331                 return 2;
 332
 333         return 0;
 334 }
 335
 336 /**
 337  * ice_eeprom_test - perform an EEPROM test on a given net_device
 338  * @netdev: network interface device structure
 339  *
 340  * This function performs one of the self-tests required by ethtool.
 341  * Returns 0 on success, non-zero on failure.
 342  */
 343 static u64 ice_eeprom_test(struct net_device *netdev)
 344 {
 345         struct ice_netdev_priv *np = netdev_priv(netdev);
 346         struct ice_pf *pf = np->vsi->back;
 347
 348         netdev_info(netdev, "EEPROM test\n");
 349         return !!(ice_nvm_validate_checksum(&pf->hw));
 350 }
 351
 352 /**
 353  * ice_reg_pattern_test
 354  * @hw: pointer to the HW struct
 355  * @reg: reg to be tested
 356  * @mask: bits to be touched
 357  */
 358 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask)
 359 {
 360         struct ice_pf *pf = (struct ice_pf *)hw->back;
 361         struct device *dev = ice_pf_to_dev(pf);
 362         static const u32 patterns[] = {
 363                 0x5A5A5A5A, 0xA5A5A5A5,
 364                 0x00000000, 0xFFFFFFFF
 365         };
 366         u32 val, orig_val;
 367         int i;
 368
 369         orig_val = rd32(hw, reg);
 370         for (i = 0; i < ARRAY_SIZE(patterns); ++i) {
 371                 u32 pattern = patterns[i] & mask;
 372
 373                 wr32(hw, reg, pattern);
 374                 val = rd32(hw, reg);
 375                 if (val == pattern)
 376                         continue;
 377                 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n"
 378                         , __func__, reg, pattern, val);
 379                 return 1;
 380         }
 381
 382         wr32(hw, reg, orig_val);
 383         val = rd32(hw, reg);
 384         if (val != orig_val) {
 385                 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n"
 386                         , __func__, reg, orig_val, val);
 387                 return 1;
 388         }
 389
 390         return 0;
 391 }
 392
 393 /**
 394  * ice_reg_test - perform a register test on a given net_device
 395  * @netdev: network interface device structure
 396  *
 397  * This function performs one of the self-tests required by ethtool.
 398  * Returns 0 on success, non-zero on failure.
 399  */
 400 static u64 ice_reg_test(struct net_device *netdev)
 401 {
 402         struct ice_netdev_priv *np = netdev_priv(netdev);
 403         struct ice_hw *hw = np->vsi->port_info->hw;
 404         u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ?
 405                 hw->func_caps.common_cap.num_msix_vectors - 1 : 1;
 406         struct ice_diag_reg_test_info {
 407                 u32 address;
 408                 u32 mask;
 409                 u32 elem_num;
 410                 u32 elem_size;
 411         } ice_reg_list[] = {
 412                 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
 413                         GLINT_ITR(0, 1) - GLINT_ITR(0, 0)},
 414                 {GLINT_ITR(1, 0), 0x00000fff, int_elements,
 415                         GLINT_ITR(1, 1) - GLINT_ITR(1, 0)},
 416                 {GLINT_ITR(0, 0), 0x00000fff, int_elements,
 417                         GLINT_ITR(2, 1) - GLINT_ITR(2, 0)},
 418                 {GLINT_CTL, 0xffff0001, 1, 0}
 419         };
 420         int i;
 421
 422         netdev_dbg(netdev, "Register test\n");
 423         for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) {
 424                 u32 j;
 425
 426                 for (j = 0; j < ice_reg_list[i].elem_num; ++j) {
 427                         u32 mask = ice_reg_list[i].mask;
 428                         u32 reg = ice_reg_list[i].address +
 429                                 (j * ice_reg_list[i].elem_size);
 430
 431                         /* bail on failure (non-zero return) */
 432                         if (ice_reg_pattern_test(hw, reg, mask))
 433                                 return 1;
 434                 }
 435         }
 436
 437         return 0;
 438 }
 439
 440 /**
 441  * ice_lbtest_prepare_rings - configure Tx/Rx test rings
 442  * @vsi: pointer to the VSI structure
 443  *
 444  * Function configures rings of a VSI for loopback test without
 445  * enabling interrupts or informing the kernel about new queues.
 446  *
 447  * Returns 0 on success, negative on failure.
 448  */
 449 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi)
 450 {
 451         int status;
 452
 453         status = ice_vsi_setup_tx_rings(vsi);
 454         if (status)
 455                 goto err_setup_tx_ring;
 456
 457         status = ice_vsi_setup_rx_rings(vsi);
 458         if (status)
 459                 goto err_setup_rx_ring;
 460
 461         status = ice_vsi_cfg(vsi);
 462         if (status)
 463                 goto err_setup_rx_ring;
 464
 465         status = ice_vsi_start_rx_rings(vsi);
 466         if (status)
 467                 goto err_start_rx_ring;
 468
 469         return status;
 470
 471 err_start_rx_ring:
 472         ice_vsi_free_rx_rings(vsi);
 473 err_setup_rx_ring:
 474         ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
 475 err_setup_tx_ring:
 476         ice_vsi_free_tx_rings(vsi);
 477
 478         return status;
 479 }
 480
 481 /**
 482  * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test
 483  * @vsi: pointer to the VSI structure
 484  *
 485  * Function stops and frees VSI rings after a loopback test.
 486  * Returns 0 on success, negative on failure.
 487  */
 488 static int ice_lbtest_disable_rings(struct ice_vsi *vsi)
 489 {
 490         int status;
 491
 492         status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0);
 493         if (status)
 494                 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n",
 495                            vsi->vsi_num, status);
 496
 497         status = ice_vsi_stop_rx_rings(vsi);
 498         if (status)
 499                 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n",
 500                            vsi->vsi_num, status);
 501
 502         ice_vsi_free_tx_rings(vsi);
 503         ice_vsi_free_rx_rings(vsi);
 504
 505         return status;
 506 }
 507
 508 /**
 509  * ice_lbtest_create_frame - create test packet
 510  * @pf: pointer to the PF structure
 511  * @ret_data: allocated frame buffer
 512  * @size: size of the packet data
 513  *
 514  * Function allocates a frame with a test pattern on specific offsets.
 515  * Returns 0 on success, non-zero on failure.
 516  */
 517 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size)
 518 {
 519         u8 *data;
 520
 521         if (!pf)
 522                 return -EINVAL;
 523
 524         data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL);
 525         if (!data)
 526                 return -ENOMEM;
 527
 528         /* Since the ethernet test frame should always be at least
 529          * 64 bytes long, fill some octets in the payload with test data.
 530          */
 531         memset(data, 0xFF, size);
 532         data[32] = 0xDE;
 533         data[42] = 0xAD;
 534         data[44] = 0xBE;
 535         data[46] = 0xEF;
 536
 537         *ret_data = data;
 538
 539         return 0;
 540 }
 541
 542 /**
 543  * ice_lbtest_check_frame - verify received loopback frame
 544  * @frame: pointer to the raw packet data
 545  *
 546  * Function verifies received test frame with a pattern.
 547  * Returns true if frame matches the pattern, false otherwise.
 548  */
 549 static bool ice_lbtest_check_frame(u8 *frame)
 550 {
 551         /* Validate bytes of a frame under offsets chosen earlier */
 552         if (frame[32] == 0xDE &&
 553             frame[42] == 0xAD &&
 554             frame[44] == 0xBE &&
 555             frame[46] == 0xEF &&
 556             frame[48] == 0xFF)
 557                 return true;
 558
 559         return false;
 560 }
 561
 562 /**
 563  * ice_diag_send - send test frames to the test ring
 564  * @tx_ring: pointer to the transmit ring
 565  * @data: pointer to the raw packet data
 566  * @size: size of the packet to send
 567  *
 568  * Function sends loopback packets on a test Tx ring.
 569  */
 570 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size)
 571 {
 572         struct ice_tx_desc *tx_desc;
 573         struct ice_tx_buf *tx_buf;
 574         dma_addr_t dma;
 575         u64 td_cmd;
 576
 577         tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use);
 578         tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use];
 579
 580         dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE);
 581         if (dma_mapping_error(tx_ring->dev, dma))
 582                 return -EINVAL;
 583
 584         tx_desc->buf_addr = cpu_to_le64(dma);
 585
 586         /* These flags are required for a descriptor to be pushed out */
 587         td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS);
 588         tx_desc->cmd_type_offset_bsz =
 589                 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA |
 590                             (td_cmd << ICE_TXD_QW1_CMD_S) |
 591                             ((u64)0 << ICE_TXD_QW1_OFFSET_S) |
 592                             ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) |
 593                             ((u64)0 << ICE_TXD_QW1_L2TAG1_S));
 594
 595         tx_buf->next_to_watch = tx_desc;
 596
 597         /* Force memory write to complete before letting h/w know
 598          * there are new descriptors to fetch.
 599          */
 600         wmb();
 601
 602         tx_ring->next_to_use++;
 603         if (tx_ring->next_to_use >= tx_ring->count)
 604                 tx_ring->next_to_use = 0;
 605
 606         writel_relaxed(tx_ring->next_to_use, tx_ring->tail);
 607
 608         /* Wait until the packets get transmitted to the receive queue. */
 609         usleep_range(1000, 2000);
 610         dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE);
 611
 612         return 0;
 613 }
 614
 615 #define ICE_LB_FRAME_SIZE 64
 616 /**
 617  * ice_lbtest_receive_frames - receive and verify test frames
 618  * @rx_ring: pointer to the receive ring
 619  *
 620  * Function receives loopback packets and verify their correctness.
 621  * Returns number of received valid frames.
 622  */
 623 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring)
 624 {
 625         struct ice_rx_buf *rx_buf;
 626         int valid_frames, i;
 627         u8 *received_buf;
 628
 629         valid_frames = 0;
 630
 631         for (i = 0; i < rx_ring->count; i++) {
 632                 union ice_32b_rx_flex_desc *rx_desc;
 633
 634                 rx_desc = ICE_RX_DESC(rx_ring, i);
 635
 636                 if (!(rx_desc->wb.status_error0 &
 637                     cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS)))
 638                         continue;
 639
 640                 rx_buf = &rx_ring->rx_buf[i];
 641                 received_buf = page_address(rx_buf->page) + rx_buf->page_offset;
 642
 643                 if (ice_lbtest_check_frame(received_buf))
 644                         valid_frames++;
 645         }
 646
 647         return valid_frames;
 648 }
 649
 650 /**
 651  * ice_loopback_test - perform a loopback test on a given net_device
 652  * @netdev: network interface device structure
 653  *
 654  * This function performs one of the self-tests required by ethtool.
 655  * Returns 0 on success, non-zero on failure.
 656  */
 657 static u64 ice_loopback_test(struct net_device *netdev)
 658 {
 659         struct ice_netdev_priv *np = netdev_priv(netdev);
 660         struct ice_vsi *orig_vsi = np->vsi, *test_vsi;
 661         struct ice_pf *pf = orig_vsi->back;
 662         struct ice_ring *tx_ring, *rx_ring;
 663         u8 broadcast[ETH_ALEN], ret = 0;
 664         int num_frames, valid_frames;
 665         LIST_HEAD(tmp_list);
 666         struct device *dev;
 667         u8 *tx_frame;
 668         int i;
 669
 670         dev = ice_pf_to_dev(pf);
 671         netdev_info(netdev, "loopback test\n");
 672
 673         test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info);
 674         if (!test_vsi) {
 675                 netdev_err(netdev, "Failed to create a VSI for the loopback test");
 676                 return 1;
 677         }
 678
 679         test_vsi->netdev = netdev;
 680         tx_ring = test_vsi->tx_rings[0];
 681         rx_ring = test_vsi->rx_rings[0];
 682
 683         if (ice_lbtest_prepare_rings(test_vsi)) {
 684                 ret = 2;
 685                 goto lbtest_vsi_close;
 686         }
 687
 688         if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) {
 689                 ret = 3;
 690                 goto lbtest_rings_dis;
 691         }
 692
 693         /* Enable MAC loopback in firmware */
 694         if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) {
 695                 ret = 4;
 696                 goto lbtest_mac_dis;
 697         }
 698
 699         /* Test VSI needs to receive broadcast packets */
 700         eth_broadcast_addr(broadcast);
 701         if (ice_add_mac_to_list(test_vsi, &tmp_list, broadcast)) {
 702                 ret = 5;
 703                 goto lbtest_mac_dis;
 704         }
 705
 706         if (ice_add_mac(&pf->hw, &tmp_list)) {
 707                 ret = 6;
 708                 goto free_mac_list;
 709         }
 710
 711         if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) {
 712                 ret = 7;
 713                 goto remove_mac_filters;
 714         }
 715
 716         num_frames = min_t(int, tx_ring->count, 32);
 717         for (i = 0; i < num_frames; i++) {
 718                 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) {
 719                         ret = 8;
 720                         goto lbtest_free_frame;
 721                 }
 722         }
 723
 724         valid_frames = ice_lbtest_receive_frames(rx_ring);
 725         if (!valid_frames)
 726                 ret = 9;
 727         else if (valid_frames != num_frames)
 728                 ret = 10;
 729
 730 lbtest_free_frame:
 731         devm_kfree(dev, tx_frame);
 732 remove_mac_filters:
 733         if (ice_remove_mac(&pf->hw, &tmp_list))
 734                 netdev_err(netdev, "Could not remove MAC filter for the test VSI");
 735 free_mac_list:
 736         ice_free_fltr_list(dev, &tmp_list);
 737 lbtest_mac_dis:
 738         /* Disable MAC loopback after the test is completed. */
 739         if (ice_aq_set_mac_loopback(&pf->hw, false, NULL))
 740                 netdev_err(netdev, "Could not disable MAC loopback\n");
 741 lbtest_rings_dis:
 742         if (ice_lbtest_disable_rings(test_vsi))
 743                 netdev_err(netdev, "Could not disable test rings\n");
 744 lbtest_vsi_close:
 745         test_vsi->netdev = NULL;
 746         if (ice_vsi_release(test_vsi))
 747                 netdev_err(netdev, "Failed to remove the test VSI");
 748
 749         return ret;
 750 }
 751
 752 /**
 753  * ice_intr_test - perform an interrupt test on a given net_device
 754  * @netdev: network interface device structure
 755  *
 756  * This function performs one of the self-tests required by ethtool.
 757  * Returns 0 on success, non-zero on failure.
 758  */
 759 static u64 ice_intr_test(struct net_device *netdev)
 760 {
 761         struct ice_netdev_priv *np = netdev_priv(netdev);
 762         struct ice_pf *pf = np->vsi->back;
 763         u16 swic_old = pf->sw_int_count;
 764
 765         netdev_info(netdev, "interrupt test\n");
 766
 767         wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx),
 768              GLINT_DYN_CTL_SW_ITR_INDX_M |
 769              GLINT_DYN_CTL_INTENA_MSK_M |
 770              GLINT_DYN_CTL_SWINT_TRIG_M);
 771
 772         usleep_range(1000, 2000);
 773         return (swic_old == pf->sw_int_count);
 774 }
 775
 776 /**
 777  * ice_self_test - handler function for performing a self-test by ethtool
 778  * @netdev: network interface device structure
 779  * @eth_test: ethtool_test structure
 780  * @data: required by ethtool.self_test
 781  *
 782  * This function is called after invoking 'ethtool -t devname' command where
 783  * devname is the name of the network device on which ethtool should operate.
 784  * It performs a set of self-tests to check if a device works properly.
 785  */
 786 static void
 787 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test,
 788               u64 *data)
 789 {
 790         struct ice_netdev_priv *np = netdev_priv(netdev);
 791         bool if_running = netif_running(netdev);
 792         struct ice_pf *pf = np->vsi->back;
 793         struct device *dev;
 794
 795         dev = ice_pf_to_dev(pf);
 796
 797         if (eth_test->flags == ETH_TEST_FL_OFFLINE) {
 798                 netdev_info(netdev, "offline testing starting\n");
 799
 800                 set_bit(__ICE_TESTING, pf->state);
 801
 802                 if (ice_active_vfs(pf)) {
 803                         dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n");
 804                         data[ICE_ETH_TEST_REG] = 1;
 805                         data[ICE_ETH_TEST_EEPROM] = 1;
 806                         data[ICE_ETH_TEST_INTR] = 1;
 807                         data[ICE_ETH_TEST_LOOP] = 1;
 808                         data[ICE_ETH_TEST_LINK] = 1;
 809                         eth_test->flags |= ETH_TEST_FL_FAILED;
 810                         clear_bit(__ICE_TESTING, pf->state);
 811                         goto skip_ol_tests;
 812                 }
 813                 /* If the device is online then take it offline */
 814                 if (if_running)
 815                         /* indicate we're in test mode */
 816                         ice_stop(netdev);
 817
 818                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
 819                 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev);
 820                 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev);
 821                 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev);
 822                 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev);
 823
 824                 if (data[ICE_ETH_TEST_LINK] ||
 825                     data[ICE_ETH_TEST_EEPROM] ||
 826                     data[ICE_ETH_TEST_LOOP] ||
 827                     data[ICE_ETH_TEST_INTR] ||
 828                     data[ICE_ETH_TEST_REG])
 829                         eth_test->flags |= ETH_TEST_FL_FAILED;
 830
 831                 clear_bit(__ICE_TESTING, pf->state);
 832
 833                 if (if_running) {
 834                         int status = ice_open(netdev);
 835
 836                         if (status) {
 837                                 dev_err(dev, "Could not open device %s, err %d",
 838                                         pf->int_name, status);
 839                         }
 840                 }
 841         } else {
 842                 /* Online tests */
 843                 netdev_info(netdev, "online testing starting\n");
 844
 845                 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev);
 846                 if (data[ICE_ETH_TEST_LINK])
 847                         eth_test->flags |= ETH_TEST_FL_FAILED;
 848
 849                 /* Offline only tests, not run in online; pass by default */
 850                 data[ICE_ETH_TEST_REG] = 0;
 851                 data[ICE_ETH_TEST_EEPROM] = 0;
 852                 data[ICE_ETH_TEST_INTR] = 0;
 853                 data[ICE_ETH_TEST_LOOP] = 0;
 854         }
 855
 856 skip_ol_tests:
 857         netdev_info(netdev, "testing finished\n");
 858 }
 859
 860 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data)
 861 {
 862         struct ice_netdev_priv *np = netdev_priv(netdev);
 863         struct ice_vsi *vsi = np->vsi;
 864         char *p = (char *)data;
 865         unsigned int i;
 866
 867         switch (stringset) {
 868         case ETH_SS_STATS:
 869                 for (i = 0; i < ICE_VSI_STATS_LEN; i++) {
 870                         snprintf(p, ETH_GSTRING_LEN, "%s",
 871                                  ice_gstrings_vsi_stats[i].stat_string);
 872                         p += ETH_GSTRING_LEN;
 873                 }
 874
 875                 ice_for_each_alloc_txq(vsi, i) {
 876                         snprintf(p, ETH_GSTRING_LEN,
 877                                  "tx_queue_%u_packets", i);
 878                         p += ETH_GSTRING_LEN;
 879                         snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i);
 880                         p += ETH_GSTRING_LEN;
 881                 }
 882
 883                 ice_for_each_alloc_rxq(vsi, i) {
 884                         snprintf(p, ETH_GSTRING_LEN,
 885                                  "rx_queue_%u_packets", i);
 886                         p += ETH_GSTRING_LEN;
 887                         snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i);
 888                         p += ETH_GSTRING_LEN;
 889                 }
 890
 891                 if (vsi->type != ICE_VSI_PF)
 892                         return;
 893
 894                 for (i = 0; i < ICE_PF_STATS_LEN; i++) {
 895                         snprintf(p, ETH_GSTRING_LEN, "%s",
 896                                  ice_gstrings_pf_stats[i].stat_string);
 897                         p += ETH_GSTRING_LEN;
 898                 }
 899
 900                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
 901                         snprintf(p, ETH_GSTRING_LEN,
 902                                  "tx_priority_%u_xon.nic", i);
 903                         p += ETH_GSTRING_LEN;
 904                         snprintf(p, ETH_GSTRING_LEN,
 905                                  "tx_priority_%u_xoff.nic", i);
 906                         p += ETH_GSTRING_LEN;
 907                 }
 908                 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) {
 909                         snprintf(p, ETH_GSTRING_LEN,
 910                                  "rx_priority_%u_xon.nic", i);
 911                         p += ETH_GSTRING_LEN;
 912                         snprintf(p, ETH_GSTRING_LEN,
 913                                  "rx_priority_%u_xoff.nic", i);
 914                         p += ETH_GSTRING_LEN;
 915                 }
 916                 break;
 917         case ETH_SS_TEST:
 918                 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN);
 919                 break;
 920         case ETH_SS_PRIV_FLAGS:
 921                 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
 922                         snprintf(p, ETH_GSTRING_LEN, "%s",
 923                                  ice_gstrings_priv_flags[i].name);
 924                         p += ETH_GSTRING_LEN;
 925                 }
 926                 break;
 927         default:
 928                 break;
 929         }
 930 }
 931
 932 static int
 933 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state)
 934 {
 935         struct ice_netdev_priv *np = netdev_priv(netdev);
 936         bool led_active;
 937
 938         switch (state) {
 939         case ETHTOOL_ID_ACTIVE:
 940                 led_active = true;
 941                 break;
 942         case ETHTOOL_ID_INACTIVE:
 943                 led_active = false;
 944                 break;
 945         default:
 946                 return -EINVAL;
 947         }
 948
 949         if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL))
 950                 return -EIO;
 951
 952         return 0;
 953 }
 954
 955 /**
 956  * ice_set_fec_cfg - Set link FEC options
 957  * @netdev: network interface device structure
 958  * @req_fec: FEC mode to configure
 959  */
 960 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec)
 961 {
 962         struct ice_netdev_priv *np = netdev_priv(netdev);
 963         struct ice_aqc_set_phy_cfg_data config = { 0 };
 964         struct ice_aqc_get_phy_caps_data *caps;
 965         struct ice_vsi *vsi = np->vsi;
 966         u8 sw_cfg_caps, sw_cfg_fec;
 967         struct ice_port_info *pi;
 968         enum ice_status status;
 969         int err = 0;
 970
 971         pi = vsi->port_info;
 972         if (!pi)
 973                 return -EOPNOTSUPP;
 974
 975         /* Changing the FEC parameters is not supported if not the PF VSI */
 976         if (vsi->type != ICE_VSI_PF) {
 977                 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n");
 978                 return -EOPNOTSUPP;
 979         }
 980
 981         /* Get last SW configuration */
 982         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
 983         if (!caps)
 984                 return -ENOMEM;
 985
 986         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG,
 987                                      caps, NULL);
 988         if (status) {
 989                 err = -EAGAIN;
 990                 goto done;
 991         }
 992
 993         /* Copy SW configuration returned from PHY caps to PHY config */
 994         ice_copy_phy_caps_to_cfg(caps, &config);
 995         sw_cfg_caps = caps->caps;
 996         sw_cfg_fec = caps->link_fec_options;
 997
 998         /* Get toloplogy caps, then copy PHY FEC topoloy caps to PHY config */
 999         memset(caps, 0, sizeof(*caps));
1000
1001         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
1002                                      caps, NULL);
1003         if (status) {
1004                 err = -EAGAIN;
1005                 goto done;
1006         }
1007
1008         config.caps |= (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC);
1009         config.link_fec_opt = caps->link_fec_options;
1010
1011         ice_cfg_phy_fec(&config, req_fec);
1012
1013         /* If FEC mode has changed, then set PHY configuration and enable AN. */
1014         if ((config.caps & ICE_AQ_PHY_ENA_AUTO_FEC) !=
1015             (sw_cfg_caps & ICE_AQC_PHY_EN_AUTO_FEC) ||
1016             config.link_fec_opt != sw_cfg_fec) {
1017                 if (caps->caps & ICE_AQC_PHY_AN_MODE)
1018                         config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
1019
1020                 status = ice_aq_set_phy_cfg(pi->hw, pi->lport, &config, NULL);
1021
1022                 if (status)
1023                         err = -EAGAIN;
1024         }
1025
1026 done:
1027         kfree(caps);
1028         return err;
1029 }
1030
1031 /**
1032  * ice_set_fecparam - Set FEC link options
1033  * @netdev: network interface device structure
1034  * @fecparam: Ethtool structure to retrieve FEC parameters
1035  */
1036 static int
1037 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1038 {
1039         struct ice_netdev_priv *np = netdev_priv(netdev);
1040         struct ice_vsi *vsi = np->vsi;
1041         enum ice_fec_mode fec;
1042
1043         switch (fecparam->fec) {
1044         case ETHTOOL_FEC_AUTO:
1045                 fec = ICE_FEC_AUTO;
1046                 break;
1047         case ETHTOOL_FEC_RS:
1048                 fec = ICE_FEC_RS;
1049                 break;
1050         case ETHTOOL_FEC_BASER:
1051                 fec = ICE_FEC_BASER;
1052                 break;
1053         case ETHTOOL_FEC_OFF:
1054         case ETHTOOL_FEC_NONE:
1055                 fec = ICE_FEC_NONE;
1056                 break;
1057         default:
1058                 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n",
1059                          fecparam->fec);
1060                 return -EINVAL;
1061         }
1062
1063         return ice_set_fec_cfg(netdev, fec);
1064 }
1065
1066 /**
1067  * ice_get_fecparam - Get link FEC options
1068  * @netdev: network interface device structure
1069  * @fecparam: Ethtool structure to retrieve FEC parameters
1070  */
1071 static int
1072 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam)
1073 {
1074         struct ice_netdev_priv *np = netdev_priv(netdev);
1075         struct ice_aqc_get_phy_caps_data *caps;
1076         struct ice_link_status *link_info;
1077         struct ice_vsi *vsi = np->vsi;
1078         struct ice_port_info *pi;
1079         enum ice_status status;
1080         int err = 0;
1081
1082         pi = vsi->port_info;
1083
1084         if (!pi)
1085                 return -EOPNOTSUPP;
1086         link_info = &pi->phy.link_info;
1087
1088         /* Set FEC mode based on negotiated link info */
1089         switch (link_info->fec_info) {
1090         case ICE_AQ_LINK_25G_KR_FEC_EN:
1091                 fecparam->active_fec = ETHTOOL_FEC_BASER;
1092                 break;
1093         case ICE_AQ_LINK_25G_RS_528_FEC_EN:
1094                 /* fall through */
1095         case ICE_AQ_LINK_25G_RS_544_FEC_EN:
1096                 fecparam->active_fec = ETHTOOL_FEC_RS;
1097                 break;
1098         default:
1099                 fecparam->active_fec = ETHTOOL_FEC_OFF;
1100                 break;
1101         }
1102
1103         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1104         if (!caps)
1105                 return -ENOMEM;
1106
1107         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP,
1108                                      caps, NULL);
1109         if (status) {
1110                 err = -EAGAIN;
1111                 goto done;
1112         }
1113
1114         /* Set supported/configured FEC modes based on PHY capability */
1115         if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC)
1116                 fecparam->fec |= ETHTOOL_FEC_AUTO;
1117         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1118             caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1119             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN ||
1120             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1121                 fecparam->fec |= ETHTOOL_FEC_BASER;
1122         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1123             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ ||
1124             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1125                 fecparam->fec |= ETHTOOL_FEC_RS;
1126         if (caps->link_fec_options == 0)
1127                 fecparam->fec |= ETHTOOL_FEC_OFF;
1128
1129 done:
1130         kfree(caps);
1131         return err;
1132 }
1133
1134 /**
1135  * ice_get_priv_flags - report device private flags
1136  * @netdev: network interface device structure
1137  *
1138  * The get string set count and the string set should be matched for each
1139  * flag returned.  Add new strings for each flag to the ice_gstrings_priv_flags
1140  * array.
1141  *
1142  * Returns a u32 bitmap of flags.
1143  */
1144 static u32 ice_get_priv_flags(struct net_device *netdev)
1145 {
1146         struct ice_netdev_priv *np = netdev_priv(netdev);
1147         struct ice_vsi *vsi = np->vsi;
1148         struct ice_pf *pf = vsi->back;
1149         u32 i, ret_flags = 0;
1150
1151         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1152                 const struct ice_priv_flag *priv_flag;
1153
1154                 priv_flag = &ice_gstrings_priv_flags[i];
1155
1156                 if (test_bit(priv_flag->bitno, pf->flags))
1157                         ret_flags |= BIT(i);
1158         }
1159
1160         return ret_flags;
1161 }
1162
1163 /**
1164  * ice_set_priv_flags - set private flags
1165  * @netdev: network interface device structure
1166  * @flags: bit flags to be set
1167  */
1168 static int ice_set_priv_flags(struct net_device *netdev, u32 flags)
1169 {
1170         struct ice_netdev_priv *np = netdev_priv(netdev);
1171         DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS);
1172         DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS);
1173         struct ice_vsi *vsi = np->vsi;
1174         struct ice_pf *pf = vsi->back;
1175         struct device *dev;
1176         int ret = 0;
1177         u32 i;
1178
1179         if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE))
1180                 return -EINVAL;
1181
1182         dev = ice_pf_to_dev(pf);
1183         set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1184
1185         bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS);
1186         for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) {
1187                 const struct ice_priv_flag *priv_flag;
1188
1189                 priv_flag = &ice_gstrings_priv_flags[i];
1190
1191                 if (flags & BIT(i))
1192                         set_bit(priv_flag->bitno, pf->flags);
1193                 else
1194                         clear_bit(priv_flag->bitno, pf->flags);
1195         }
1196
1197         bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS);
1198
1199         if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) {
1200                 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) {
1201                         enum ice_status status;
1202
1203                         /* Disable FW LLDP engine */
1204                         status = ice_cfg_lldp_mib_change(&pf->hw, false);
1205
1206                         /* If unregistering for LLDP events fails, this is
1207                          * not an error state, as there shouldn't be any
1208                          * events to respond to.
1209                          */
1210                         if (status)
1211                                 dev_info(dev, "Failed to unreg for LLDP events\n");
1212
1213                         /* The AQ call to stop the FW LLDP agent will generate
1214                          * an error if the agent is already stopped.
1215                          */
1216                         status = ice_aq_stop_lldp(&pf->hw, true, true, NULL);
1217                         if (status)
1218                                 dev_warn(dev, "Fail to stop LLDP agent\n");
1219                         /* Use case for having the FW LLDP agent stopped
1220                          * will likely not need DCB, so failure to init is
1221                          * not a concern of ethtool
1222                          */
1223                         status = ice_init_pf_dcb(pf, true);
1224                         if (status)
1225                                 dev_warn(dev, "Fail to init DCB\n");
1226                 } else {
1227                         enum ice_status status;
1228                         bool dcbx_agent_status;
1229
1230                         /* AQ command to start FW LLDP agent will return an
1231                          * error if the agent is already started
1232                          */
1233                         status = ice_aq_start_lldp(&pf->hw, true, NULL);
1234                         if (status)
1235                                 dev_warn(dev, "Fail to start LLDP Agent\n");
1236
1237                         /* AQ command to start FW DCBX agent will fail if
1238                          * the agent is already started
1239                          */
1240                         status = ice_aq_start_stop_dcbx(&pf->hw, true,
1241                                                         &dcbx_agent_status,
1242                                                         NULL);
1243                         if (status)
1244                                 dev_dbg(dev, "Failed to start FW DCBX\n");
1245
1246                         dev_info(dev, "FW DCBX agent is %s\n",
1247                                  dcbx_agent_status ? "ACTIVE" : "DISABLED");
1248
1249                         /* Failure to configure MIB change or init DCB is not
1250                          * relevant to ethtool.  Print notification that
1251                          * registration/init failed but do not return error
1252                          * state to ethtool
1253                          */
1254                         status = ice_init_pf_dcb(pf, true);
1255                         if (status)
1256                                 dev_dbg(dev, "Fail to init DCB\n");
1257
1258                         /* Remove rule to direct LLDP packets to default VSI.
1259                          * The FW LLDP engine will now be consuming them.
1260                          */
1261                         ice_cfg_sw_lldp(vsi, false, false);
1262
1263                         /* Register for MIB change events */
1264                         status = ice_cfg_lldp_mib_change(&pf->hw, true);
1265                         if (status)
1266                                 dev_dbg(dev, "Fail to enable MIB change events\n");
1267                 }
1268         }
1269         if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) {
1270                 /* down and up VSI so that changes of Rx cfg are reflected. */
1271                 ice_down(vsi);
1272                 ice_up(vsi);
1273         }
1274         clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags);
1275         return ret;
1276 }
1277
1278 static int ice_get_sset_count(struct net_device *netdev, int sset)
1279 {
1280         switch (sset) {
1281         case ETH_SS_STATS:
1282                 /* The number (and order) of strings reported *must* remain
1283                  * constant for a given netdevice. This function must not
1284                  * report a different number based on run time parameters
1285                  * (such as the number of queues in use, or the setting of
1286                  * a private ethtool flag). This is due to the nature of the
1287                  * ethtool stats API.
1288                  *
1289                  * Userspace programs such as ethtool must make 3 separate
1290                  * ioctl requests, one for size, one for the strings, and
1291                  * finally one for the stats. Since these cross into
1292                  * userspace, changes to the number or size could result in
1293                  * undefined memory access or incorrect string<->value
1294                  * correlations for statistics.
1295                  *
1296                  * Even if it appears to be safe, changes to the size or
1297                  * order of strings will suffer from race conditions and are
1298                  * not safe.
1299                  */
1300                 return ICE_ALL_STATS_LEN(netdev);
1301         case ETH_SS_TEST:
1302                 return ICE_TEST_LEN;
1303         case ETH_SS_PRIV_FLAGS:
1304                 return ICE_PRIV_FLAG_ARRAY_SIZE;
1305         default:
1306                 return -EOPNOTSUPP;
1307         }
1308 }
1309
1310 static void
1311 ice_get_ethtool_stats(struct net_device *netdev,
1312                       struct ethtool_stats __always_unused *stats, u64 *data)
1313 {
1314         struct ice_netdev_priv *np = netdev_priv(netdev);
1315         struct ice_vsi *vsi = np->vsi;
1316         struct ice_pf *pf = vsi->back;
1317         struct ice_ring *ring;
1318         unsigned int j;
1319         int i = 0;
1320         char *p;
1321
1322         ice_update_pf_stats(pf);
1323         ice_update_vsi_stats(vsi);
1324
1325         for (j = 0; j < ICE_VSI_STATS_LEN; j++) {
1326                 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset;
1327                 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat ==
1328                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1329         }
1330
1331         /* populate per queue stats */
1332         rcu_read_lock();
1333
1334         ice_for_each_alloc_txq(vsi, j) {
1335                 ring = READ_ONCE(vsi->tx_rings[j]);
1336                 if (ring) {
1337                         data[i++] = ring->stats.pkts;
1338                         data[i++] = ring->stats.bytes;
1339                 } else {
1340                         data[i++] = 0;
1341                         data[i++] = 0;
1342                 }
1343         }
1344
1345         ice_for_each_alloc_rxq(vsi, j) {
1346                 ring = READ_ONCE(vsi->rx_rings[j]);
1347                 if (ring) {
1348                         data[i++] = ring->stats.pkts;
1349                         data[i++] = ring->stats.bytes;
1350                 } else {
1351                         data[i++] = 0;
1352                         data[i++] = 0;
1353                 }
1354         }
1355
1356         rcu_read_unlock();
1357
1358         if (vsi->type != ICE_VSI_PF)
1359                 return;
1360
1361         for (j = 0; j < ICE_PF_STATS_LEN; j++) {
1362                 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset;
1363                 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat ==
1364                              sizeof(u64)) ? *(u64 *)p : *(u32 *)p;
1365         }
1366
1367         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1368                 data[i++] = pf->stats.priority_xon_tx[j];
1369                 data[i++] = pf->stats.priority_xoff_tx[j];
1370         }
1371
1372         for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) {
1373                 data[i++] = pf->stats.priority_xon_rx[j];
1374                 data[i++] = pf->stats.priority_xoff_rx[j];
1375         }
1376 }
1377
1378 /**
1379  * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes
1380  * @netdev: network interface device structure
1381  * @ks: ethtool link ksettings struct to fill out
1382  */
1383 static void
1384 ice_phy_type_to_ethtool(struct net_device *netdev,
1385                         struct ethtool_link_ksettings *ks)
1386 {
1387         struct ice_netdev_priv *np = netdev_priv(netdev);
1388         struct ice_link_status *hw_link_info;
1389         bool need_add_adv_mode = false;
1390         struct ice_vsi *vsi = np->vsi;
1391         u64 phy_types_high;
1392         u64 phy_types_low;
1393
1394         hw_link_info = &vsi->port_info->phy.link_info;
1395         phy_types_low = vsi->port_info->phy.phy_type_low;
1396         phy_types_high = vsi->port_info->phy.phy_type_high;
1397
1398         ethtool_link_ksettings_zero_link_mode(ks, supported);
1399         ethtool_link_ksettings_zero_link_mode(ks, advertising);
1400
1401         if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX ||
1402             phy_types_low & ICE_PHY_TYPE_LOW_100M_SGMII) {
1403                 ethtool_link_ksettings_add_link_mode(ks, supported,
1404                                                      100baseT_Full);
1405                 if (!hw_link_info->req_speeds ||
1406                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100MB)
1407                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1408                                                              100baseT_Full);
1409         }
1410         if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T ||
1411             phy_types_low & ICE_PHY_TYPE_LOW_1G_SGMII) {
1412                 ethtool_link_ksettings_add_link_mode(ks, supported,
1413                                                      1000baseT_Full);
1414                 if (!hw_link_info->req_speeds ||
1415                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1416                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1417                                                              1000baseT_Full);
1418         }
1419         if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX) {
1420                 ethtool_link_ksettings_add_link_mode(ks, supported,
1421                                                      1000baseKX_Full);
1422                 if (!hw_link_info->req_speeds ||
1423                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1424                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1425                                                              1000baseKX_Full);
1426         }
1427         if (phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_SX ||
1428             phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_LX) {
1429                 ethtool_link_ksettings_add_link_mode(ks, supported,
1430                                                      1000baseX_Full);
1431                 if (!hw_link_info->req_speeds ||
1432                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_1000MB)
1433                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1434                                                              1000baseX_Full);
1435         }
1436         if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T) {
1437                 ethtool_link_ksettings_add_link_mode(ks, supported,
1438                                                      2500baseT_Full);
1439                 if (!hw_link_info->req_speeds ||
1440                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB)
1441                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1442                                                              2500baseT_Full);
1443         }
1444         if (phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_X ||
1445             phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX) {
1446                 ethtool_link_ksettings_add_link_mode(ks, supported,
1447                                                      2500baseX_Full);
1448                 if (!hw_link_info->req_speeds ||
1449                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_2500MB)
1450                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1451                                                              2500baseX_Full);
1452         }
1453         if (phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T ||
1454             phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR) {
1455                 ethtool_link_ksettings_add_link_mode(ks, supported,
1456                                                      5000baseT_Full);
1457                 if (!hw_link_info->req_speeds ||
1458                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_5GB)
1459                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1460                                                              5000baseT_Full);
1461         }
1462         if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T ||
1463             phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_DA ||
1464             phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC ||
1465             phy_types_low & ICE_PHY_TYPE_LOW_10G_SFI_C2C) {
1466                 ethtool_link_ksettings_add_link_mode(ks, supported,
1467                                                      10000baseT_Full);
1468                 if (!hw_link_info->req_speeds ||
1469                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1470                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1471                                                              10000baseT_Full);
1472         }
1473         if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1) {
1474                 ethtool_link_ksettings_add_link_mode(ks, supported,
1475                                                      10000baseKR_Full);
1476                 if (!hw_link_info->req_speeds ||
1477                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1478                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1479                                                              10000baseKR_Full);
1480         }
1481         if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_SR) {
1482                 ethtool_link_ksettings_add_link_mode(ks, supported,
1483                                                      10000baseSR_Full);
1484                 if (!hw_link_info->req_speeds ||
1485                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1486                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1487                                                              10000baseSR_Full);
1488         }
1489         if (phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_LR) {
1490                 ethtool_link_ksettings_add_link_mode(ks, supported,
1491                                                      10000baseLR_Full);
1492                 if (!hw_link_info->req_speeds ||
1493                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_10GB)
1494                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1495                                                              10000baseLR_Full);
1496         }
1497         if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T ||
1498             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR ||
1499             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S ||
1500             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 ||
1501             phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC ||
1502             phy_types_low & ICE_PHY_TYPE_LOW_25G_AUI_C2C) {
1503                 ethtool_link_ksettings_add_link_mode(ks, supported,
1504                                                      25000baseCR_Full);
1505                 if (!hw_link_info->req_speeds ||
1506                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1507                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1508                                                              25000baseCR_Full);
1509         }
1510         if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_SR ||
1511             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_LR) {
1512                 ethtool_link_ksettings_add_link_mode(ks, supported,
1513                                                      25000baseSR_Full);
1514                 if (!hw_link_info->req_speeds ||
1515                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1516                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1517                                                              25000baseSR_Full);
1518         }
1519         if (phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR ||
1520             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S ||
1521             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1) {
1522                 ethtool_link_ksettings_add_link_mode(ks, supported,
1523                                                      25000baseKR_Full);
1524                 if (!hw_link_info->req_speeds ||
1525                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_25GB)
1526                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1527                                                              25000baseKR_Full);
1528         }
1529         if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) {
1530                 ethtool_link_ksettings_add_link_mode(ks, supported,
1531                                                      40000baseKR4_Full);
1532                 if (!hw_link_info->req_speeds ||
1533                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1534                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1535                                                              40000baseKR4_Full);
1536         }
1537         if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 ||
1538             phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC ||
1539             phy_types_low & ICE_PHY_TYPE_LOW_40G_XLAUI) {
1540                 ethtool_link_ksettings_add_link_mode(ks, supported,
1541                                                      40000baseCR4_Full);
1542                 if (!hw_link_info->req_speeds ||
1543                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1544                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1545                                                              40000baseCR4_Full);
1546         }
1547         if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_SR4) {
1548                 ethtool_link_ksettings_add_link_mode(ks, supported,
1549                                                      40000baseSR4_Full);
1550                 if (!hw_link_info->req_speeds ||
1551                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1552                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1553                                                              40000baseSR4_Full);
1554         }
1555         if (phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_LR4) {
1556                 ethtool_link_ksettings_add_link_mode(ks, supported,
1557                                                      40000baseLR4_Full);
1558                 if (!hw_link_info->req_speeds ||
1559                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_40GB)
1560                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1561                                                              40000baseLR4_Full);
1562         }
1563         if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 ||
1564             phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC ||
1565             phy_types_low & ICE_PHY_TYPE_LOW_50G_LAUI2 ||
1566             phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC ||
1567             phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI2 ||
1568             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP ||
1569             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR ||
1570             phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC ||
1571             phy_types_low & ICE_PHY_TYPE_LOW_50G_AUI1) {
1572                 ethtool_link_ksettings_add_link_mode(ks, supported,
1573                                                      50000baseCR2_Full);
1574                 if (!hw_link_info->req_speeds ||
1575                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1576                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1577                                                              50000baseCR2_Full);
1578         }
1579         if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 ||
1580             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) {
1581                 ethtool_link_ksettings_add_link_mode(ks, supported,
1582                                                      50000baseKR2_Full);
1583                 if (!hw_link_info->req_speeds ||
1584                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1585                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1586                                                              50000baseKR2_Full);
1587         }
1588         if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_SR2 ||
1589             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR2 ||
1590             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_FR ||
1591             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_LR) {
1592                 ethtool_link_ksettings_add_link_mode(ks, supported,
1593                                                      50000baseSR2_Full);
1594                 if (!hw_link_info->req_speeds ||
1595                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_50GB)
1596                         ethtool_link_ksettings_add_link_mode(ks, advertising,
1597                                                              50000baseSR2_Full);
1598         }
1599         if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 ||
1600             phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC ||
1601             phy_types_low & ICE_PHY_TYPE_LOW_100G_CAUI4 ||
1602             phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC ||
1603             phy_types_low & ICE_PHY_TYPE_LOW_100G_AUI4 ||
1604             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 ||
1605             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2  ||
1606             phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC ||
1607             phy_types_high & ICE_PHY_TYPE_HIGH_100G_CAUI2 ||
1608             phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC ||
1609             phy_types_high & ICE_PHY_TYPE_HIGH_100G_AUI2) {
1610                 ethtool_link_ksettings_add_link_mode(ks, supported,
1611                                                      100000baseCR4_Full);
1612                 if (!hw_link_info->req_speeds ||
1613                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1614                         need_add_adv_mode = true;
1615         }
1616         if (need_add_adv_mode) {
1617                 need_add_adv_mode = false;
1618                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1619                                                      100000baseCR4_Full);
1620         }
1621         if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR4 ||
1622             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_SR2) {
1623                 ethtool_link_ksettings_add_link_mode(ks, supported,
1624                                                      100000baseSR4_Full);
1625                 if (!hw_link_info->req_speeds ||
1626                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1627                         need_add_adv_mode = true;
1628         }
1629         if (need_add_adv_mode) {
1630                 need_add_adv_mode = false;
1631                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1632                                                      100000baseSR4_Full);
1633         }
1634         if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_LR4 ||
1635             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_DR) {
1636                 ethtool_link_ksettings_add_link_mode(ks, supported,
1637                                                      100000baseLR4_ER4_Full);
1638                 if (!hw_link_info->req_speeds ||
1639                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1640                         need_add_adv_mode = true;
1641         }
1642         if (need_add_adv_mode) {
1643                 need_add_adv_mode = false;
1644                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1645                                                      100000baseLR4_ER4_Full);
1646         }
1647         if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 ||
1648             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 ||
1649             phy_types_high & ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4) {
1650                 ethtool_link_ksettings_add_link_mode(ks, supported,
1651                                                      100000baseKR4_Full);
1652                 if (!hw_link_info->req_speeds ||
1653                     hw_link_info->req_speeds & ICE_AQ_LINK_SPEED_100GB)
1654                         need_add_adv_mode = true;
1655         }
1656         if (need_add_adv_mode)
1657                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1658                                                      100000baseKR4_Full);
1659
1660         /* Autoneg PHY types */
1661         if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX ||
1662             phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T ||
1663             phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX ||
1664             phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T ||
1665             phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX ||
1666             phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T ||
1667             phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR ||
1668             phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T ||
1669             phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 ||
1670             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T ||
1671             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR ||
1672             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S ||
1673             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 ||
1674             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR ||
1675             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S ||
1676             phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 ||
1677             phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 ||
1678             phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) {
1679                 ethtool_link_ksettings_add_link_mode(ks, supported,
1680                                                      Autoneg);
1681                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1682                                                      Autoneg);
1683         }
1684         if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 ||
1685             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 ||
1686             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP ||
1687             phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) {
1688                 ethtool_link_ksettings_add_link_mode(ks, supported,
1689                                                      Autoneg);
1690                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1691                                                      Autoneg);
1692         }
1693         if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 ||
1694             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 ||
1695             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 ||
1696             phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) {
1697                 ethtool_link_ksettings_add_link_mode(ks, supported,
1698                                                      Autoneg);
1699                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1700                                                      Autoneg);
1701         }
1702 }
1703
1704 #define TEST_SET_BITS_TIMEOUT   50
1705 #define TEST_SET_BITS_SLEEP_MAX 2000
1706 #define TEST_SET_BITS_SLEEP_MIN 1000
1707
1708 /**
1709  * ice_get_settings_link_up - Get Link settings for when link is up
1710  * @ks: ethtool ksettings to fill in
1711  * @netdev: network interface device structure
1712  */
1713 static void
1714 ice_get_settings_link_up(struct ethtool_link_ksettings *ks,
1715                          struct net_device *netdev)
1716 {
1717         struct ice_netdev_priv *np = netdev_priv(netdev);
1718         struct ice_port_info *pi = np->vsi->port_info;
1719         struct ice_link_status *link_info;
1720         struct ice_vsi *vsi = np->vsi;
1721
1722         link_info = &vsi->port_info->phy.link_info;
1723
1724         /* Get supported and advertised settings from PHY ability with media */
1725         ice_phy_type_to_ethtool(netdev, ks);
1726
1727         switch (link_info->link_speed) {
1728         case ICE_AQ_LINK_SPEED_100GB:
1729                 ks->base.speed = SPEED_100000;
1730                 break;
1731         case ICE_AQ_LINK_SPEED_50GB:
1732                 ks->base.speed = SPEED_50000;
1733                 break;
1734         case ICE_AQ_LINK_SPEED_40GB:
1735                 ks->base.speed = SPEED_40000;
1736                 break;
1737         case ICE_AQ_LINK_SPEED_25GB:
1738                 ks->base.speed = SPEED_25000;
1739                 break;
1740         case ICE_AQ_LINK_SPEED_20GB:
1741                 ks->base.speed = SPEED_20000;
1742                 break;
1743         case ICE_AQ_LINK_SPEED_10GB:
1744                 ks->base.speed = SPEED_10000;
1745                 break;
1746         case ICE_AQ_LINK_SPEED_5GB:
1747                 ks->base.speed = SPEED_5000;
1748                 break;
1749         case ICE_AQ_LINK_SPEED_2500MB:
1750                 ks->base.speed = SPEED_2500;
1751                 break;
1752         case ICE_AQ_LINK_SPEED_1000MB:
1753                 ks->base.speed = SPEED_1000;
1754                 break;
1755         case ICE_AQ_LINK_SPEED_100MB:
1756                 ks->base.speed = SPEED_100;
1757                 break;
1758         default:
1759                 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n",
1760                             link_info->link_speed);
1761                 break;
1762         }
1763         ks->base.duplex = DUPLEX_FULL;
1764
1765         if (link_info->an_info & ICE_AQ_AN_COMPLETED)
1766                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1767                                                      Autoneg);
1768
1769         /* Set flow control negotiated Rx/Tx pause */
1770         switch (pi->fc.current_mode) {
1771         case ICE_FC_FULL:
1772                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1773                 break;
1774         case ICE_FC_TX_PAUSE:
1775                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause);
1776                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1777                                                      Asym_Pause);
1778                 break;
1779         case ICE_FC_RX_PAUSE:
1780                 ethtool_link_ksettings_add_link_mode(ks, lp_advertising,
1781                                                      Asym_Pause);
1782                 break;
1783         case ICE_FC_PFC:
1784                 /* fall through */
1785         default:
1786                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause);
1787                 ethtool_link_ksettings_del_link_mode(ks, lp_advertising,
1788                                                      Asym_Pause);
1789                 break;
1790         }
1791 }
1792
1793 /**
1794  * ice_get_settings_link_down - Get the Link settings when link is down
1795  * @ks: ethtool ksettings to fill in
1796  * @netdev: network interface device structure
1797  *
1798  * Reports link settings that can be determined when link is down
1799  */
1800 static void
1801 ice_get_settings_link_down(struct ethtool_link_ksettings *ks,
1802                            struct net_device *netdev)
1803 {
1804         /* link is down and the driver needs to fall back on
1805          * supported PHY types to figure out what info to display
1806          */
1807         ice_phy_type_to_ethtool(netdev, ks);
1808
1809         /* With no link, speed and duplex are unknown */
1810         ks->base.speed = SPEED_UNKNOWN;
1811         ks->base.duplex = DUPLEX_UNKNOWN;
1812 }
1813
1814 /**
1815  * ice_get_link_ksettings - Get Link Speed and Duplex settings
1816  * @netdev: network interface device structure
1817  * @ks: ethtool ksettings
1818  *
1819  * Reports speed/duplex settings based on media_type
1820  */
1821 static int
1822 ice_get_link_ksettings(struct net_device *netdev,
1823                        struct ethtool_link_ksettings *ks)
1824 {
1825         struct ice_netdev_priv *np = netdev_priv(netdev);
1826         struct ice_aqc_get_phy_caps_data *caps;
1827         struct ice_link_status *hw_link_info;
1828         struct ice_vsi *vsi = np->vsi;
1829         enum ice_status status;
1830         int err = 0;
1831
1832         ethtool_link_ksettings_zero_link_mode(ks, supported);
1833         ethtool_link_ksettings_zero_link_mode(ks, advertising);
1834         ethtool_link_ksettings_zero_link_mode(ks, lp_advertising);
1835         hw_link_info = &vsi->port_info->phy.link_info;
1836
1837         /* set speed and duplex */
1838         if (hw_link_info->link_info & ICE_AQ_LINK_UP)
1839                 ice_get_settings_link_up(ks, netdev);
1840         else
1841                 ice_get_settings_link_down(ks, netdev);
1842
1843         /* set autoneg settings */
1844         ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ?
1845                 AUTONEG_ENABLE : AUTONEG_DISABLE;
1846
1847         /* set media type settings */
1848         switch (vsi->port_info->phy.media_type) {
1849         case ICE_MEDIA_FIBER:
1850                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
1851                 ks->base.port = PORT_FIBRE;
1852                 break;
1853         case ICE_MEDIA_BASET:
1854                 ethtool_link_ksettings_add_link_mode(ks, supported, TP);
1855                 ethtool_link_ksettings_add_link_mode(ks, advertising, TP);
1856                 ks->base.port = PORT_TP;
1857                 break;
1858         case ICE_MEDIA_BACKPLANE:
1859                 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg);
1860                 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane);
1861                 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg);
1862                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1863                                                      Backplane);
1864                 ks->base.port = PORT_NONE;
1865                 break;
1866         case ICE_MEDIA_DA:
1867                 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE);
1868                 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE);
1869                 ks->base.port = PORT_DA;
1870                 break;
1871         default:
1872                 ks->base.port = PORT_OTHER;
1873                 break;
1874         }
1875
1876         /* flow control is symmetric and always supported */
1877         ethtool_link_ksettings_add_link_mode(ks, supported, Pause);
1878
1879         caps = kzalloc(sizeof(*caps), GFP_KERNEL);
1880         if (!caps)
1881                 return -ENOMEM;
1882
1883         status = ice_aq_get_phy_caps(vsi->port_info, false,
1884                                      ICE_AQC_REPORT_SW_CFG, caps, NULL);
1885         if (status) {
1886                 err = -EIO;
1887                 goto done;
1888         }
1889
1890         /* Set the advertised flow control based on the PHY capability */
1891         if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) &&
1892             (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) {
1893                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
1894                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1895                                                      Asym_Pause);
1896         } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) {
1897                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1898                                                      Asym_Pause);
1899         } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) {
1900                 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause);
1901                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1902                                                      Asym_Pause);
1903         } else {
1904                 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause);
1905                 ethtool_link_ksettings_del_link_mode(ks, advertising,
1906                                                      Asym_Pause);
1907         }
1908
1909         /* Set advertised FEC modes based on PHY capability */
1910         ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE);
1911
1912         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ ||
1913             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ)
1914                 ethtool_link_ksettings_add_link_mode(ks, advertising,
1915                                                      FEC_BASER);
1916         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ ||
1917             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ)
1918                 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS);
1919
1920         status = ice_aq_get_phy_caps(vsi->port_info, false,
1921                                      ICE_AQC_REPORT_TOPO_CAP, caps, NULL);
1922         if (status) {
1923                 err = -EIO;
1924                 goto done;
1925         }
1926
1927         /* Set supported FEC modes based on PHY capability */
1928         ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE);
1929
1930         if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN ||
1931             caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN)
1932                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER);
1933         if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN)
1934                 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS);
1935
1936 done:
1937         kfree(caps);
1938         return err;
1939 }
1940
1941 /**
1942  * ice_ksettings_find_adv_link_speed - Find advertising link speed
1943  * @ks: ethtool ksettings
1944  */
1945 static u16
1946 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks)
1947 {
1948         u16 adv_link_speed = 0;
1949
1950         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1951                                                   100baseT_Full))
1952                 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB;
1953         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1954                                                   1000baseX_Full))
1955                 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
1956         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1957                                                   1000baseT_Full) ||
1958             ethtool_link_ksettings_test_link_mode(ks, advertising,
1959                                                   1000baseKX_Full))
1960                 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB;
1961         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1962                                                   2500baseT_Full))
1963                 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
1964         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1965                                                   2500baseX_Full))
1966                 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB;
1967         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1968                                                   5000baseT_Full))
1969                 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB;
1970         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1971                                                   10000baseT_Full) ||
1972             ethtool_link_ksettings_test_link_mode(ks, advertising,
1973                                                   10000baseKR_Full))
1974                 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
1975         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1976                                                   10000baseSR_Full) ||
1977             ethtool_link_ksettings_test_link_mode(ks, advertising,
1978                                                   10000baseLR_Full))
1979                 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB;
1980         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1981                                                   25000baseCR_Full) ||
1982             ethtool_link_ksettings_test_link_mode(ks, advertising,
1983                                                   25000baseSR_Full) ||
1984             ethtool_link_ksettings_test_link_mode(ks, advertising,
1985                                                   25000baseKR_Full))
1986                 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB;
1987         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1988                                                   40000baseCR4_Full) ||
1989             ethtool_link_ksettings_test_link_mode(ks, advertising,
1990                                                   40000baseSR4_Full) ||
1991             ethtool_link_ksettings_test_link_mode(ks, advertising,
1992                                                   40000baseLR4_Full) ||
1993             ethtool_link_ksettings_test_link_mode(ks, advertising,
1994                                                   40000baseKR4_Full))
1995                 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB;
1996         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
1997                                                   50000baseCR2_Full) ||
1998             ethtool_link_ksettings_test_link_mode(ks, advertising,
1999                                                   50000baseKR2_Full))
2000                 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2001         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2002                                                   50000baseSR2_Full))
2003                 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB;
2004         if (ethtool_link_ksettings_test_link_mode(ks, advertising,
2005                                                   100000baseCR4_Full) ||
2006             ethtool_link_ksettings_test_link_mode(ks, advertising,
2007                                                   100000baseSR4_Full) ||
2008             ethtool_link_ksettings_test_link_mode(ks, advertising,
2009                                                   100000baseLR4_ER4_Full) ||
2010             ethtool_link_ksettings_test_link_mode(ks, advertising,
2011                                                   100000baseKR4_Full))
2012                 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB;
2013
2014         return adv_link_speed;
2015 }
2016
2017 /**
2018  * ice_setup_autoneg
2019  * @p: port info
2020  * @ks: ethtool_link_ksettings
2021  * @config: configuration that will be sent down to FW
2022  * @autoneg_enabled: autonegotiation is enabled or not
2023  * @autoneg_changed: will there a change in autonegotiation
2024  * @netdev: network interface device structure
2025  *
2026  * Setup PHY autonegotiation feature
2027  */
2028 static int
2029 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks,
2030                   struct ice_aqc_set_phy_cfg_data *config,
2031                   u8 autoneg_enabled, u8 *autoneg_changed,
2032                   struct net_device *netdev)
2033 {
2034         int err = 0;
2035
2036         *autoneg_changed = 0;
2037
2038         /* Check autoneg */
2039         if (autoneg_enabled == AUTONEG_ENABLE) {
2040                 /* If autoneg was not already enabled */
2041                 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) {
2042                         /* If autoneg is not supported, return error */
2043                         if (!ethtool_link_ksettings_test_link_mode(ks,
2044                                                                    supported,
2045                                                                    Autoneg)) {
2046                                 netdev_info(netdev, "Autoneg not supported on this phy.\n");
2047                                 err = -EINVAL;
2048                         } else {
2049                                 /* Autoneg is allowed to change */
2050                                 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2051                                 *autoneg_changed = 1;
2052                         }
2053                 }
2054         } else {
2055                 /* If autoneg is currently enabled */
2056                 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) {
2057                         /* If autoneg is supported 10GBASE_T is the only PHY
2058                          * that can disable it, so otherwise return error
2059                          */
2060                         if (ethtool_link_ksettings_test_link_mode(ks,
2061                                                                   supported,
2062                                                                   Autoneg)) {
2063                                 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n");
2064                                 err = -EINVAL;
2065                         } else {
2066                                 /* Autoneg is allowed to change */
2067                                 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2068                                 *autoneg_changed = 1;
2069                         }
2070                 }
2071         }
2072
2073         return err;
2074 }
2075
2076 /**
2077  * ice_set_link_ksettings - Set Speed and Duplex
2078  * @netdev: network interface device structure
2079  * @ks: ethtool ksettings
2080  *
2081  * Set speed/duplex per media_types advertised/forced
2082  */
2083 static int
2084 ice_set_link_ksettings(struct net_device *netdev,
2085                        const struct ethtool_link_ksettings *ks)
2086 {
2087         u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT, lport = 0;
2088         struct ice_netdev_priv *np = netdev_priv(netdev);
2089         struct ethtool_link_ksettings safe_ks, copy_ks;
2090         struct ice_aqc_get_phy_caps_data *abilities;
2091         u16 adv_link_speed, curr_link_speed, idx;
2092         struct ice_aqc_set_phy_cfg_data config;
2093         struct ice_pf *pf = np->vsi->back;
2094         struct ice_port_info *p;
2095         u8 autoneg_changed = 0;
2096         enum ice_status status;
2097         u64 phy_type_high;
2098         u64 phy_type_low;
2099         int err = 0;
2100         bool linkup;
2101
2102         p = np->vsi->port_info;
2103
2104         if (!p)
2105                 return -EOPNOTSUPP;
2106
2107         /* Check if this is LAN VSI */
2108         ice_for_each_vsi(pf, idx)
2109                 if (pf->vsi[idx]->type == ICE_VSI_PF) {
2110                         if (np->vsi != pf->vsi[idx])
2111                                 return -EOPNOTSUPP;
2112                         break;
2113                 }
2114
2115         if (p->phy.media_type != ICE_MEDIA_BASET &&
2116             p->phy.media_type != ICE_MEDIA_FIBER &&
2117             p->phy.media_type != ICE_MEDIA_BACKPLANE &&
2118             p->phy.media_type != ICE_MEDIA_DA &&
2119             p->phy.link_info.link_info & ICE_AQ_LINK_UP)
2120                 return -EOPNOTSUPP;
2121
2122         /* copy the ksettings to copy_ks to avoid modifying the original */
2123         memcpy(&copy_ks, ks, sizeof(copy_ks));
2124
2125         /* save autoneg out of ksettings */
2126         autoneg = copy_ks.base.autoneg;
2127
2128         memset(&safe_ks, 0, sizeof(safe_ks));
2129
2130         /* Get link modes supported by hardware.*/
2131         ice_phy_type_to_ethtool(netdev, &safe_ks);
2132
2133         /* and check against modes requested by user.
2134          * Return an error if unsupported mode was set.
2135          */
2136         if (!bitmap_subset(copy_ks.link_modes.advertising,
2137                            safe_ks.link_modes.supported,
2138                            __ETHTOOL_LINK_MODE_MASK_NBITS))
2139                 return -EINVAL;
2140
2141         /* get our own copy of the bits to check against */
2142         memset(&safe_ks, 0, sizeof(safe_ks));
2143         safe_ks.base.cmd = copy_ks.base.cmd;
2144         safe_ks.base.link_mode_masks_nwords =
2145                 copy_ks.base.link_mode_masks_nwords;
2146         ice_get_link_ksettings(netdev, &safe_ks);
2147
2148         /* set autoneg back to what it currently is */
2149         copy_ks.base.autoneg = safe_ks.base.autoneg;
2150         /* we don't compare the speed */
2151         copy_ks.base.speed = safe_ks.base.speed;
2152
2153         /* If copy_ks.base and safe_ks.base are not the same now, then they are
2154          * trying to set something that we do not support.
2155          */
2156         if (memcmp(&copy_ks.base, &safe_ks.base, sizeof(copy_ks.base)))
2157                 return -EOPNOTSUPP;
2158
2159         while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
2160                 timeout--;
2161                 if (!timeout)
2162                         return -EBUSY;
2163                 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX);
2164         }
2165
2166         abilities = kzalloc(sizeof(*abilities), GFP_KERNEL);
2167         if (!abilities)
2168                 return -ENOMEM;
2169
2170         /* Get the current PHY config */
2171         status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_SW_CFG, abilities,
2172                                      NULL);
2173         if (status) {
2174                 err = -EAGAIN;
2175                 goto done;
2176         }
2177
2178         /* Copy abilities to config in case autoneg is not set below */
2179         memset(&config, 0, sizeof(config));
2180         config.caps = abilities->caps & ~ICE_AQC_PHY_AN_MODE;
2181         if (abilities->caps & ICE_AQC_PHY_AN_MODE)
2182                 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT;
2183
2184         /* Check autoneg */
2185         err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed,
2186                                 netdev);
2187
2188         if (err)
2189                 goto done;
2190
2191         /* Call to get the current link speed */
2192         p->phy.get_link_info = true;
2193         status = ice_get_link_status(p, &linkup);
2194         if (status) {
2195                 err = -EAGAIN;
2196                 goto done;
2197         }
2198
2199         curr_link_speed = p->phy.link_info.link_speed;
2200         adv_link_speed = ice_ksettings_find_adv_link_speed(ks);
2201
2202         /* If speed didn't get set, set it to what it currently is.
2203          * This is needed because if advertise is 0 (as it is when autoneg
2204          * is disabled) then speed won't get set.
2205          */
2206         if (!adv_link_speed)
2207                 adv_link_speed = curr_link_speed;
2208
2209         /* Convert the advertise link speeds to their corresponded PHY_TYPE */
2210         ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed);
2211
2212         if (!autoneg_changed && adv_link_speed == curr_link_speed) {
2213                 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n");
2214                 goto done;
2215         }
2216
2217         /* copy over the rest of the abilities */
2218         config.low_power_ctrl = abilities->low_power_ctrl;
2219         config.eee_cap = abilities->eee_cap;
2220         config.eeer_value = abilities->eeer_value;
2221         config.link_fec_opt = abilities->link_fec_options;
2222
2223         /* save the requested speeds */
2224         p->phy.link_info.req_speeds = adv_link_speed;
2225
2226         /* set link and auto negotiation so changes take effect */
2227         config.caps |= ICE_AQ_PHY_ENA_LINK;
2228
2229         if (phy_type_low || phy_type_high) {
2230                 config.phy_type_high = cpu_to_le64(phy_type_high) &
2231                         abilities->phy_type_high;
2232                 config.phy_type_low = cpu_to_le64(phy_type_low) &
2233                         abilities->phy_type_low;
2234         } else {
2235                 err = -EAGAIN;
2236                 netdev_info(netdev, "Nothing changed. No PHY_TYPE is corresponded to advertised link speed.\n");
2237                 goto done;
2238         }
2239
2240         /* If link is up put link down */
2241         if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) {
2242                 /* Tell the OS link is going down, the link will go
2243                  * back up when fw says it is ready asynchronously
2244                  */
2245                 ice_print_link_msg(np->vsi, false);
2246                 netif_carrier_off(netdev);
2247                 netif_tx_stop_all_queues(netdev);
2248         }
2249
2250         /* make the aq call */
2251         status = ice_aq_set_phy_cfg(&pf->hw, lport, &config, NULL);
2252         if (status) {
2253                 netdev_info(netdev, "Set phy config failed,\n");
2254                 err = -EAGAIN;
2255         }
2256
2257 done:
2258         kfree(abilities);
2259         clear_bit(__ICE_CFG_BUSY, pf->state);
2260
2261         return err;
2262 }
2263
2264 /**
2265  * ice_parse_hdrs - parses headers from RSS hash input
2266  * @nfc: ethtool rxnfc command
2267  *
2268  * This function parses the rxnfc command and returns intended
2269  * header types for RSS configuration
2270  */
2271 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc)
2272 {
2273         u32 hdrs = ICE_FLOW_SEG_HDR_NONE;
2274
2275         switch (nfc->flow_type) {
2276         case TCP_V4_FLOW:
2277                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4;
2278                 break;
2279         case UDP_V4_FLOW:
2280                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4;
2281                 break;
2282         case SCTP_V4_FLOW:
2283                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4;
2284                 break;
2285         case TCP_V6_FLOW:
2286                 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6;
2287                 break;
2288         case UDP_V6_FLOW:
2289                 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6;
2290                 break;
2291         case SCTP_V6_FLOW:
2292                 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6;
2293                 break;
2294         default:
2295                 break;
2296         }
2297         return hdrs;
2298 }
2299
2300 #define ICE_FLOW_HASH_FLD_IPV4_SA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA)
2301 #define ICE_FLOW_HASH_FLD_IPV6_SA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA)
2302 #define ICE_FLOW_HASH_FLD_IPV4_DA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA)
2303 #define ICE_FLOW_HASH_FLD_IPV6_DA       BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA)
2304 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT)
2305 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT)
2306 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT)
2307 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT  BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT)
2308 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \
2309         BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT)
2310 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \
2311         BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT)
2312
2313 /**
2314  * ice_parse_hash_flds - parses hash fields from RSS hash input
2315  * @nfc: ethtool rxnfc command
2316  *
2317  * This function parses the rxnfc command and returns intended
2318  * hash fields for RSS configuration
2319  */
2320 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc)
2321 {
2322         u64 hfld = ICE_HASH_INVALID;
2323
2324         if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) {
2325                 switch (nfc->flow_type) {
2326                 case TCP_V4_FLOW:
2327                 case UDP_V4_FLOW:
2328                 case SCTP_V4_FLOW:
2329                         if (nfc->data & RXH_IP_SRC)
2330                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA;
2331                         if (nfc->data & RXH_IP_DST)
2332                                 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA;
2333                         break;
2334                 case TCP_V6_FLOW:
2335                 case UDP_V6_FLOW:
2336                 case SCTP_V6_FLOW:
2337                         if (nfc->data & RXH_IP_SRC)
2338                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA;
2339                         if (nfc->data & RXH_IP_DST)
2340                                 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA;
2341                         break;
2342                 default:
2343                         break;
2344                 }
2345         }
2346
2347         if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) {
2348                 switch (nfc->flow_type) {
2349                 case TCP_V4_FLOW:
2350                 case TCP_V6_FLOW:
2351                         if (nfc->data & RXH_L4_B_0_1)
2352                                 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT;
2353                         if (nfc->data & RXH_L4_B_2_3)
2354                                 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT;
2355                         break;
2356                 case UDP_V4_FLOW:
2357                 case UDP_V6_FLOW:
2358                         if (nfc->data & RXH_L4_B_0_1)
2359                                 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT;
2360                         if (nfc->data & RXH_L4_B_2_3)
2361                                 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT;
2362                         break;
2363                 case SCTP_V4_FLOW:
2364                 case SCTP_V6_FLOW:
2365                         if (nfc->data & RXH_L4_B_0_1)
2366                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT;
2367                         if (nfc->data & RXH_L4_B_2_3)
2368                                 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT;
2369                         break;
2370                 default:
2371                         break;
2372                 }
2373         }
2374
2375         return hfld;
2376 }
2377
2378 /**
2379  * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash
2380  * @vsi: the VSI being configured
2381  * @nfc: ethtool rxnfc command
2382  *
2383  * Returns Success if the flow input set is supported.
2384  */
2385 static int
2386 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2387 {
2388         struct ice_pf *pf = vsi->back;
2389         enum ice_status status;
2390         struct device *dev;
2391         u64 hashed_flds;
2392         u32 hdrs;
2393
2394         dev = ice_pf_to_dev(pf);
2395         if (ice_is_safe_mode(pf)) {
2396                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2397                         vsi->vsi_num);
2398                 return -EINVAL;
2399         }
2400
2401         hashed_flds = ice_parse_hash_flds(nfc);
2402         if (hashed_flds == ICE_HASH_INVALID) {
2403                 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n",
2404                         vsi->vsi_num);
2405                 return -EINVAL;
2406         }
2407
2408         hdrs = ice_parse_hdrs(nfc);
2409         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2410                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2411                         vsi->vsi_num);
2412                 return -EINVAL;
2413         }
2414
2415         status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs);
2416         if (status) {
2417                 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %d\n",
2418                         vsi->vsi_num, status);
2419                 return -EINVAL;
2420         }
2421
2422         return 0;
2423 }
2424
2425 /**
2426  * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type
2427  * @vsi: the VSI being configured
2428  * @nfc: ethtool rxnfc command
2429  */
2430 static void
2431 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc)
2432 {
2433         struct ice_pf *pf = vsi->back;
2434         struct device *dev;
2435         u64 hash_flds;
2436         u32 hdrs;
2437
2438         dev = ice_pf_to_dev(pf);
2439
2440         nfc->data = 0;
2441         if (ice_is_safe_mode(pf)) {
2442                 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n",
2443                         vsi->vsi_num);
2444                 return;
2445         }
2446
2447         hdrs = ice_parse_hdrs(nfc);
2448         if (hdrs == ICE_FLOW_SEG_HDR_NONE) {
2449                 dev_dbg(dev, "Header type is not valid, vsi num = %d\n",
2450                         vsi->vsi_num);
2451                 return;
2452         }
2453
2454         hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs);
2455         if (hash_flds == ICE_HASH_INVALID) {
2456                 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n",
2457                         vsi->vsi_num);
2458                 return;
2459         }
2460
2461         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA ||
2462             hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA)
2463                 nfc->data |= (u64)RXH_IP_SRC;
2464
2465         if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA ||
2466             hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA)
2467                 nfc->data |= (u64)RXH_IP_DST;
2468
2469         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT ||
2470             hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT ||
2471             hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT)
2472                 nfc->data |= (u64)RXH_L4_B_0_1;
2473
2474         if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT ||
2475             hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT ||
2476             hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT)
2477                 nfc->data |= (u64)RXH_L4_B_2_3;
2478 }
2479
2480 /**
2481  * ice_set_rxnfc - command to set Rx flow rules.
2482  * @netdev: network interface device structure
2483  * @cmd: ethtool rxnfc command
2484  *
2485  * Returns 0 for success and negative values for errors
2486  */
2487 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd)
2488 {
2489         struct ice_netdev_priv *np = netdev_priv(netdev);
2490         struct ice_vsi *vsi = np->vsi;
2491
2492         switch (cmd->cmd) {
2493         case ETHTOOL_SRXFH:
2494                 return ice_set_rss_hash_opt(vsi, cmd);
2495         default:
2496                 break;
2497         }
2498         return -EOPNOTSUPP;
2499 }
2500
2501 /**
2502  * ice_get_rxnfc - command to get Rx flow classification rules
2503  * @netdev: network interface device structure
2504  * @cmd: ethtool rxnfc command
2505  * @rule_locs: buffer to rturn Rx flow classification rules
2506  *
2507  * Returns Success if the command is supported.
2508  */
2509 static int
2510 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd,
2511               u32 __always_unused *rule_locs)
2512 {
2513         struct ice_netdev_priv *np = netdev_priv(netdev);
2514         struct ice_vsi *vsi = np->vsi;
2515         int ret = -EOPNOTSUPP;
2516
2517         switch (cmd->cmd) {
2518         case ETHTOOL_GRXRINGS:
2519                 cmd->data = vsi->rss_size;
2520                 ret = 0;
2521                 break;
2522         case ETHTOOL_GRXFH:
2523                 ice_get_rss_hash_opt(vsi, cmd);
2524                 ret = 0;
2525                 break;
2526         default:
2527                 break;
2528         }
2529
2530         return ret;
2531 }
2532
2533 static void
2534 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
2535 {
2536         struct ice_netdev_priv *np = netdev_priv(netdev);
2537         struct ice_vsi *vsi = np->vsi;
2538
2539         ring->rx_max_pending = ICE_MAX_NUM_DESC;
2540         ring->tx_max_pending = ICE_MAX_NUM_DESC;
2541         ring->rx_pending = vsi->rx_rings[0]->count;
2542         ring->tx_pending = vsi->tx_rings[0]->count;
2543
2544         /* Rx mini and jumbo rings are not supported */
2545         ring->rx_mini_max_pending = 0;
2546         ring->rx_jumbo_max_pending = 0;
2547         ring->rx_mini_pending = 0;
2548         ring->rx_jumbo_pending = 0;
2549 }
2550
2551 static int
2552 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring)
2553 {
2554         struct ice_ring *tx_rings = NULL, *rx_rings = NULL;
2555         struct ice_netdev_priv *np = netdev_priv(netdev);
2556         struct ice_ring *xdp_rings = NULL;
2557         struct ice_vsi *vsi = np->vsi;
2558         struct ice_pf *pf = vsi->back;
2559         int i, timeout = 50, err = 0;
2560         u32 new_rx_cnt, new_tx_cnt;
2561
2562         if (ring->tx_pending > ICE_MAX_NUM_DESC ||
2563             ring->tx_pending < ICE_MIN_NUM_DESC ||
2564             ring->rx_pending > ICE_MAX_NUM_DESC ||
2565             ring->rx_pending < ICE_MIN_NUM_DESC) {
2566                 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n",
2567                            ring->tx_pending, ring->rx_pending,
2568                            ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC,
2569                            ICE_REQ_DESC_MULTIPLE);
2570                 return -EINVAL;
2571         }
2572
2573         new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE);
2574         if (new_tx_cnt != ring->tx_pending)
2575                 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n",
2576                             new_tx_cnt);
2577         new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE);
2578         if (new_rx_cnt != ring->rx_pending)
2579                 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n",
2580                             new_rx_cnt);
2581
2582         /* if nothing to do return success */
2583         if (new_tx_cnt == vsi->tx_rings[0]->count &&
2584             new_rx_cnt == vsi->rx_rings[0]->count) {
2585                 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n");
2586                 return 0;
2587         }
2588
2589         /* If there is a AF_XDP UMEM attached to any of Rx rings,
2590          * disallow changing the number of descriptors -- regardless
2591          * if the netdev is running or not.
2592          */
2593         if (ice_xsk_any_rx_ring_ena(vsi))
2594                 return -EBUSY;
2595
2596         while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) {
2597                 timeout--;
2598                 if (!timeout)
2599                         return -EBUSY;
2600                 usleep_range(1000, 2000);
2601         }
2602
2603         /* set for the next time the netdev is started */
2604         if (!netif_running(vsi->netdev)) {
2605                 for (i = 0; i < vsi->alloc_txq; i++)
2606                         vsi->tx_rings[i]->count = new_tx_cnt;
2607                 for (i = 0; i < vsi->alloc_rxq; i++)
2608                         vsi->rx_rings[i]->count = new_rx_cnt;
2609                 if (ice_is_xdp_ena_vsi(vsi))
2610                         for (i = 0; i < vsi->num_xdp_txq; i++)
2611                                 vsi->xdp_rings[i]->count = new_tx_cnt;
2612                 vsi->num_tx_desc = new_tx_cnt;
2613                 vsi->num_rx_desc = new_rx_cnt;
2614                 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n");
2615                 goto done;
2616         }
2617
2618         if (new_tx_cnt == vsi->tx_rings[0]->count)
2619                 goto process_rx;
2620
2621         /* alloc updated Tx resources */
2622         netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n",
2623                     vsi->tx_rings[0]->count, new_tx_cnt);
2624
2625         tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL);
2626         if (!tx_rings) {
2627                 err = -ENOMEM;
2628                 goto done;
2629         }
2630
2631         ice_for_each_txq(vsi, i) {
2632                 /* clone ring and setup updated count */
2633                 tx_rings[i] = *vsi->tx_rings[i];
2634                 tx_rings[i].count = new_tx_cnt;
2635                 tx_rings[i].desc = NULL;
2636                 tx_rings[i].tx_buf = NULL;
2637                 err = ice_setup_tx_ring(&tx_rings[i]);
2638                 if (err) {
2639                         while (i--)
2640                                 ice_clean_tx_ring(&tx_rings[i]);
2641                         kfree(tx_rings);
2642                         goto done;
2643                 }
2644         }
2645
2646         if (!ice_is_xdp_ena_vsi(vsi))
2647                 goto process_rx;
2648
2649         /* alloc updated XDP resources */
2650         netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n",
2651                     vsi->xdp_rings[0]->count, new_tx_cnt);
2652
2653         xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL);
2654         if (!xdp_rings) {
2655                 err = -ENOMEM;
2656                 goto free_tx;
2657         }
2658
2659         for (i = 0; i < vsi->num_xdp_txq; i++) {
2660                 /* clone ring and setup updated count */
2661                 xdp_rings[i] = *vsi->xdp_rings[i];
2662                 xdp_rings[i].count = new_tx_cnt;
2663                 xdp_rings[i].desc = NULL;
2664                 xdp_rings[i].tx_buf = NULL;
2665                 err = ice_setup_tx_ring(&xdp_rings[i]);
2666                 if (err) {
2667                         while (i--)
2668                                 ice_clean_tx_ring(&xdp_rings[i]);
2669                         kfree(xdp_rings);
2670                         goto free_tx;
2671                 }
2672                 ice_set_ring_xdp(&xdp_rings[i]);
2673         }
2674
2675 process_rx:
2676         if (new_rx_cnt == vsi->rx_rings[0]->count)
2677                 goto process_link;
2678
2679         /* alloc updated Rx resources */
2680         netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n",
2681                     vsi->rx_rings[0]->count, new_rx_cnt);
2682
2683         rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL);
2684         if (!rx_rings) {
2685                 err = -ENOMEM;
2686                 goto done;
2687         }
2688
2689         ice_for_each_rxq(vsi, i) {
2690                 /* clone ring and setup updated count */
2691                 rx_rings[i] = *vsi->rx_rings[i];
2692                 rx_rings[i].count = new_rx_cnt;
2693                 rx_rings[i].desc = NULL;
2694                 rx_rings[i].rx_buf = NULL;
2695                 /* this is to allow wr32 to have something to write to
2696                  * during early allocation of Rx buffers
2697                  */
2698                 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS;
2699
2700                 err = ice_setup_rx_ring(&rx_rings[i]);
2701                 if (err)
2702                         goto rx_unwind;
2703
2704                 /* allocate Rx buffers */
2705                 err = ice_alloc_rx_bufs(&rx_rings[i],
2706                                         ICE_DESC_UNUSED(&rx_rings[i]));
2707 rx_unwind:
2708                 if (err) {
2709                         while (i) {
2710                                 i--;
2711                                 ice_free_rx_ring(&rx_rings[i]);
2712                         }
2713                         kfree(rx_rings);
2714                         err = -ENOMEM;
2715                         goto free_tx;
2716                 }
2717         }
2718
2719 process_link:
2720         /* Bring interface down, copy in the new ring info, then restore the
2721          * interface. if VSI is up, bring it down and then back up
2722          */
2723         if (!test_and_set_bit(__ICE_DOWN, vsi->state)) {
2724                 ice_down(vsi);
2725
2726                 if (tx_rings) {
2727                         ice_for_each_txq(vsi, i) {
2728                                 ice_free_tx_ring(vsi->tx_rings[i]);
2729                                 *vsi->tx_rings[i] = tx_rings[i];
2730                         }
2731                         kfree(tx_rings);
2732                 }
2733
2734                 if (rx_rings) {
2735                         ice_for_each_rxq(vsi, i) {
2736                                 ice_free_rx_ring(vsi->rx_rings[i]);
2737                                 /* copy the real tail offset */
2738                                 rx_rings[i].tail = vsi->rx_rings[i]->tail;
2739                                 /* this is to fake out the allocation routine
2740                                  * into thinking it has to realloc everything
2741                                  * but the recycling logic will let us re-use
2742                                  * the buffers allocated above
2743                                  */
2744                                 rx_rings[i].next_to_use = 0;
2745                                 rx_rings[i].next_to_clean = 0;
2746                                 rx_rings[i].next_to_alloc = 0;
2747                                 *vsi->rx_rings[i] = rx_rings[i];
2748                         }
2749                         kfree(rx_rings);
2750                 }
2751
2752                 if (xdp_rings) {
2753                         for (i = 0; i < vsi->num_xdp_txq; i++) {
2754                                 ice_free_tx_ring(vsi->xdp_rings[i]);
2755                                 *vsi->xdp_rings[i] = xdp_rings[i];
2756                         }
2757                         kfree(xdp_rings);
2758                 }
2759
2760                 vsi->num_tx_desc = new_tx_cnt;
2761                 vsi->num_rx_desc = new_rx_cnt;
2762                 ice_up(vsi);
2763         }
2764         goto done;
2765
2766 free_tx:
2767         /* error cleanup if the Rx allocations failed after getting Tx */
2768         if (tx_rings) {
2769                 ice_for_each_txq(vsi, i)
2770                         ice_free_tx_ring(&tx_rings[i]);
2771                 kfree(tx_rings);
2772         }
2773
2774 done:
2775         clear_bit(__ICE_CFG_BUSY, pf->state);
2776         return err;
2777 }
2778
2779 static int ice_nway_reset(struct net_device *netdev)
2780 {
2781         /* restart autonegotiation */
2782         struct ice_netdev_priv *np = netdev_priv(netdev);
2783         struct ice_vsi *vsi = np->vsi;
2784         struct ice_port_info *pi;
2785         enum ice_status status;
2786
2787         pi = vsi->port_info;
2788         /* If VSI state is up, then restart autoneg with link up */
2789         if (!test_bit(__ICE_DOWN, vsi->back->state))
2790                 status = ice_aq_set_link_restart_an(pi, true, NULL);
2791         else
2792                 status = ice_aq_set_link_restart_an(pi, false, NULL);
2793
2794         if (status) {
2795                 netdev_info(netdev, "link restart failed, err %d aq_err %d\n",
2796                             status, pi->hw->adminq.sq_last_status);
2797                 return -EIO;
2798         }
2799
2800         return 0;
2801 }
2802
2803 /**
2804  * ice_get_pauseparam - Get Flow Control status
2805  * @netdev: network interface device structure
2806  * @pause: ethernet pause (flow control) parameters
2807  *
2808  * Get requested flow control status from PHY capability.
2809  * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which
2810  * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report
2811  * the negotiated Rx/Tx pause via lp_advertising.
2812  */
2813 static void
2814 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2815 {
2816         struct ice_netdev_priv *np = netdev_priv(netdev);
2817         struct ice_port_info *pi = np->vsi->port_info;
2818         struct ice_aqc_get_phy_caps_data *pcaps;
2819         struct ice_dcbx_cfg *dcbx_cfg;
2820         enum ice_status status;
2821
2822         /* Initialize pause params */
2823         pause->rx_pause = 0;
2824         pause->tx_pause = 0;
2825
2826         dcbx_cfg = &pi->local_dcbx_cfg;
2827
2828         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
2829         if (!pcaps)
2830                 return;
2831
2832         /* Get current PHY config */
2833         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
2834                                      NULL);
2835         if (status)
2836                 goto out;
2837
2838         pause->autoneg = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ?
2839                         AUTONEG_ENABLE : AUTONEG_DISABLE);
2840
2841         if (dcbx_cfg->pfc.pfcena)
2842                 /* PFC enabled so report LFC as off */
2843                 goto out;
2844
2845         if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE)
2846                 pause->tx_pause = 1;
2847         if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)
2848                 pause->rx_pause = 1;
2849
2850 out:
2851         kfree(pcaps);
2852 }
2853
2854 /**
2855  * ice_set_pauseparam - Set Flow Control parameter
2856  * @netdev: network interface device structure
2857  * @pause: return Tx/Rx flow control status
2858  */
2859 static int
2860 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause)
2861 {
2862         struct ice_netdev_priv *np = netdev_priv(netdev);
2863         struct ice_aqc_get_phy_caps_data *pcaps;
2864         struct ice_link_status *hw_link_info;
2865         struct ice_pf *pf = np->vsi->back;
2866         struct ice_dcbx_cfg *dcbx_cfg;
2867         struct ice_vsi *vsi = np->vsi;
2868         struct ice_hw *hw = &pf->hw;
2869         struct ice_port_info *pi;
2870         enum ice_status status;
2871         u8 aq_failures;
2872         bool link_up;
2873         int err = 0;
2874         u32 is_an;
2875
2876         pi = vsi->port_info;
2877         hw_link_info = &pi->phy.link_info;
2878         dcbx_cfg = &pi->local_dcbx_cfg;
2879         link_up = hw_link_info->link_info & ICE_AQ_LINK_UP;
2880
2881         /* Changing the port's flow control is not supported if this isn't the
2882          * PF VSI
2883          */
2884         if (vsi->type != ICE_VSI_PF) {
2885                 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n");
2886                 return -EOPNOTSUPP;
2887         }
2888
2889         /* Get pause param reports configured and negotiated flow control pause
2890          * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is
2891          * defined get pause param pause->autoneg reports SW configured setting,
2892          * so compare pause->autoneg with SW configured to prevent the user from
2893          * using set pause param to chance autoneg.
2894          */
2895         pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL);
2896         if (!pcaps)
2897                 return -ENOMEM;
2898
2899         /* Get current PHY config */
2900         status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps,
2901                                      NULL);
2902         if (status) {
2903                 kfree(pcaps);
2904                 return -EIO;
2905         }
2906
2907         is_an = ((pcaps->caps & ICE_AQC_PHY_AN_MODE) ?
2908                         AUTONEG_ENABLE : AUTONEG_DISABLE);
2909
2910         kfree(pcaps);
2911
2912         if (pause->autoneg != is_an) {
2913                 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n");
2914                 return -EOPNOTSUPP;
2915         }
2916
2917         /* If we have link and don't have autoneg */
2918         if (!test_bit(__ICE_DOWN, pf->state) &&
2919             !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) {
2920                 /* Send message that it might not necessarily work*/
2921                 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n");
2922         }
2923
2924         if (dcbx_cfg->pfc.pfcena) {
2925                 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n");
2926                 return -EOPNOTSUPP;
2927         }
2928         if (pause->rx_pause && pause->tx_pause)
2929                 pi->fc.req_mode = ICE_FC_FULL;
2930         else if (pause->rx_pause && !pause->tx_pause)
2931                 pi->fc.req_mode = ICE_FC_RX_PAUSE;
2932         else if (!pause->rx_pause && pause->tx_pause)
2933                 pi->fc.req_mode = ICE_FC_TX_PAUSE;
2934         else if (!pause->rx_pause && !pause->tx_pause)
2935                 pi->fc.req_mode = ICE_FC_NONE;
2936         else
2937                 return -EINVAL;
2938
2939         /* Tell the OS link is going down, the link will go back up when fw
2940          * says it is ready asynchronously
2941          */
2942         ice_print_link_msg(vsi, false);
2943         netif_carrier_off(netdev);
2944         netif_tx_stop_all_queues(netdev);
2945
2946         /* Set the FC mode and only restart AN if link is up */
2947         status = ice_set_fc(pi, &aq_failures, link_up);
2948
2949         if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) {
2950                 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %d aq_err %d\n",
2951                             status, hw->adminq.sq_last_status);
2952                 err = -EAGAIN;
2953         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) {
2954                 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %d aq_err %d\n",
2955                             status, hw->adminq.sq_last_status);
2956                 err = -EAGAIN;
2957         } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) {
2958                 netdev_info(netdev, "Set fc failed on the get_link_info call with err %d aq_err %d\n",
2959                             status, hw->adminq.sq_last_status);
2960                 err = -EAGAIN;
2961         }
2962
2963         if (!test_bit(__ICE_DOWN, pf->state)) {
2964                 /* Give it a little more time to try to come back. If still
2965                  * down, restart autoneg link or reinitialize the interface.
2966                  */
2967                 msleep(75);
2968                 if (!test_bit(__ICE_DOWN, pf->state))
2969                         return ice_nway_reset(netdev);
2970
2971                 ice_down(vsi);
2972                 ice_up(vsi);
2973         }
2974
2975         return err;
2976 }
2977
2978 /**
2979  * ice_get_rxfh_key_size - get the RSS hash key size
2980  * @netdev: network interface device structure
2981  *
2982  * Returns the table size.
2983  */
2984 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev)
2985 {
2986         return ICE_VSIQF_HKEY_ARRAY_SIZE;
2987 }
2988
2989 /**
2990  * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size
2991  * @netdev: network interface device structure
2992  *
2993  * Returns the table size.
2994  */
2995 static u32 ice_get_rxfh_indir_size(struct net_device *netdev)
2996 {
2997         struct ice_netdev_priv *np = netdev_priv(netdev);
2998
2999         return np->vsi->rss_table_size;
3000 }
3001
3002 /**
3003  * ice_get_rxfh - get the Rx flow hash indirection table
3004  * @netdev: network interface device structure
3005  * @indir: indirection table
3006  * @key: hash key
3007  * @hfunc: hash function
3008  *
3009  * Reads the indirection table directly from the hardware.
3010  */
3011 static int
3012 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc)
3013 {
3014         struct ice_netdev_priv *np = netdev_priv(netdev);
3015         struct ice_vsi *vsi = np->vsi;
3016         struct ice_pf *pf = vsi->back;
3017         int ret = 0, i;
3018         u8 *lut;
3019
3020         if (hfunc)
3021                 *hfunc = ETH_RSS_HASH_TOP;
3022
3023         if (!indir)
3024                 return 0;
3025
3026         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3027                 /* RSS not supported return error here */
3028                 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3029                 return -EIO;
3030         }
3031
3032         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3033         if (!lut)
3034                 return -ENOMEM;
3035
3036         if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) {
3037                 ret = -EIO;
3038                 goto out;
3039         }
3040
3041         for (i = 0; i < vsi->rss_table_size; i++)
3042                 indir[i] = (u32)(lut[i]);
3043
3044 out:
3045         kfree(lut);
3046         return ret;
3047 }
3048
3049 /**
3050  * ice_set_rxfh - set the Rx flow hash indirection table
3051  * @netdev: network interface device structure
3052  * @indir: indirection table
3053  * @key: hash key
3054  * @hfunc: hash function
3055  *
3056  * Returns -EINVAL if the table specifies an invalid queue ID, otherwise
3057  * returns 0 after programming the table.
3058  */
3059 static int
3060 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key,
3061              const u8 hfunc)
3062 {
3063         struct ice_netdev_priv *np = netdev_priv(netdev);
3064         struct ice_vsi *vsi = np->vsi;
3065         struct ice_pf *pf = vsi->back;
3066         struct device *dev;
3067         u8 *seed = NULL;
3068
3069         dev = ice_pf_to_dev(pf);
3070         if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP)
3071                 return -EOPNOTSUPP;
3072
3073         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3074                 /* RSS not supported return error here */
3075                 netdev_warn(netdev, "RSS is not configured on this VSI!\n");
3076                 return -EIO;
3077         }
3078
3079         if (key) {
3080                 if (!vsi->rss_hkey_user) {
3081                         vsi->rss_hkey_user =
3082                                 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE,
3083                                              GFP_KERNEL);
3084                         if (!vsi->rss_hkey_user)
3085                                 return -ENOMEM;
3086                 }
3087                 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE);
3088                 seed = vsi->rss_hkey_user;
3089         }
3090
3091         if (!vsi->rss_lut_user) {
3092                 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size,
3093                                                  GFP_KERNEL);
3094                 if (!vsi->rss_lut_user)
3095                         return -ENOMEM;
3096         }
3097
3098         /* Each 32 bits pointed by 'indir' is stored with a lut entry */
3099         if (indir) {
3100                 int i;
3101
3102                 for (i = 0; i < vsi->rss_table_size; i++)
3103                         vsi->rss_lut_user[i] = (u8)(indir[i]);
3104         } else {
3105                 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size,
3106                                  vsi->rss_size);
3107         }
3108
3109         if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size))
3110                 return -EIO;
3111
3112         return 0;
3113 }
3114
3115 /**
3116  * ice_get_max_txq - return the maximum number of Tx queues for in a PF
3117  * @pf: PF structure
3118  */
3119 static int ice_get_max_txq(struct ice_pf *pf)
3120 {
3121         return min_t(int, num_online_cpus(),
3122                      pf->hw.func_caps.common_cap.num_txq);
3123 }
3124
3125 /**
3126  * ice_get_max_rxq - return the maximum number of Rx queues for in a PF
3127  * @pf: PF structure
3128  */
3129 static int ice_get_max_rxq(struct ice_pf *pf)
3130 {
3131         return min_t(int, num_online_cpus(),
3132                      pf->hw.func_caps.common_cap.num_rxq);
3133 }
3134
3135 /**
3136  * ice_get_combined_cnt - return the current number of combined channels
3137  * @vsi: PF VSI pointer
3138  *
3139  * Go through all queue vectors and count ones that have both Rx and Tx ring
3140  * attached
3141  */
3142 static u32 ice_get_combined_cnt(struct ice_vsi *vsi)
3143 {
3144         u32 combined = 0;
3145         int q_idx;
3146
3147         ice_for_each_q_vector(vsi, q_idx) {
3148                 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx];
3149
3150                 if (q_vector->rx.ring && q_vector->tx.ring)
3151                         combined++;
3152         }
3153
3154         return combined;
3155 }
3156
3157 /**
3158  * ice_get_channels - get the current and max supported channels
3159  * @dev: network interface device structure
3160  * @ch: ethtool channel data structure
3161  */
3162 static void
3163 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch)
3164 {
3165         struct ice_netdev_priv *np = netdev_priv(dev);
3166         struct ice_vsi *vsi = np->vsi;
3167         struct ice_pf *pf = vsi->back;
3168
3169         /* check to see if VSI is active */
3170         if (test_bit(__ICE_DOWN, vsi->state))
3171                 return;
3172
3173         /* report maximum channels */
3174         ch->max_rx = ice_get_max_rxq(pf);
3175         ch->max_tx = ice_get_max_txq(pf);
3176         ch->max_combined = min_t(int, ch->max_rx, ch->max_tx);
3177
3178         /* report current channels */
3179         ch->combined_count = ice_get_combined_cnt(vsi);
3180         ch->rx_count = vsi->num_rxq - ch->combined_count;
3181         ch->tx_count = vsi->num_txq - ch->combined_count;
3182 }
3183
3184 /**
3185  * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size
3186  * @vsi: VSI to reconfigure RSS LUT on
3187  * @req_rss_size: requested range of queue numbers for hashing
3188  *
3189  * Set the VSI's RSS parameters, configure the RSS LUT based on these.
3190  */
3191 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size)
3192 {
3193         struct ice_pf *pf = vsi->back;
3194         enum ice_status status;
3195         struct device *dev;
3196         struct ice_hw *hw;
3197         int err = 0;
3198         u8 *lut;
3199
3200         dev = ice_pf_to_dev(pf);
3201         hw = &pf->hw;
3202
3203         if (!req_rss_size)
3204                 return -EINVAL;
3205
3206         lut = kzalloc(vsi->rss_table_size, GFP_KERNEL);
3207         if (!lut)
3208                 return -ENOMEM;
3209
3210         /* set RSS LUT parameters */
3211         if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) {
3212                 vsi->rss_size = 1;
3213         } else {
3214                 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap;
3215
3216                 vsi->rss_size = min_t(int, req_rss_size,
3217                                       BIT(caps->rss_table_entry_width));
3218         }
3219
3220         /* create/set RSS LUT */
3221         ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size);
3222         status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut,
3223                                     vsi->rss_table_size);
3224         if (status) {
3225                 dev_err(dev, "Cannot set RSS lut, err %d aq_err %d\n",
3226                         status, hw->adminq.rq_last_status);
3227                 err = -EIO;
3228         }
3229
3230         kfree(lut);
3231         return err;
3232 }
3233
3234 /**
3235  * ice_set_channels - set the number channels
3236  * @dev: network interface device structure
3237  * @ch: ethtool channel data structure
3238  */
3239 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch)
3240 {
3241         struct ice_netdev_priv *np = netdev_priv(dev);
3242         struct ice_vsi *vsi = np->vsi;
3243         struct ice_pf *pf = vsi->back;
3244         int new_rx = 0, new_tx = 0;
3245         u32 curr_combined;
3246
3247         /* do not support changing channels in Safe Mode */
3248         if (ice_is_safe_mode(pf)) {
3249                 netdev_err(dev, "Changing channel in Safe Mode is not supported\n");
3250                 return -EOPNOTSUPP;
3251         }
3252         /* do not support changing other_count */
3253         if (ch->other_count)
3254                 return -EINVAL;
3255
3256         curr_combined = ice_get_combined_cnt(vsi);
3257
3258         /* these checks are for cases where user didn't specify a particular
3259          * value on cmd line but we get non-zero value anyway via
3260          * get_channels(); look at ethtool.c in ethtool repository (the user
3261          * space part), particularly, do_schannels() routine
3262          */
3263         if (ch->rx_count == vsi->num_rxq - curr_combined)
3264                 ch->rx_count = 0;
3265         if (ch->tx_count == vsi->num_txq - curr_combined)
3266                 ch->tx_count = 0;
3267         if (ch->combined_count == curr_combined)
3268                 ch->combined_count = 0;
3269
3270         if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) {
3271                 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n");
3272                 return -EINVAL;
3273         }
3274
3275         new_rx = ch->combined_count + ch->rx_count;
3276         new_tx = ch->combined_count + ch->tx_count;
3277
3278         if (new_rx > ice_get_max_rxq(pf)) {
3279                 netdev_err(dev, "Maximum allowed Rx channels is %d\n",
3280                            ice_get_max_rxq(pf));
3281                 return -EINVAL;
3282         }
3283         if (new_tx > ice_get_max_txq(pf)) {
3284                 netdev_err(dev, "Maximum allowed Tx channels is %d\n",
3285                            ice_get_max_txq(pf));
3286                 return -EINVAL;
3287         }
3288
3289         ice_vsi_recfg_qs(vsi, new_rx, new_tx);
3290
3291         if (new_rx && !netif_is_rxfh_configured(dev))
3292                 return ice_vsi_set_dflt_rss_lut(vsi, new_rx);
3293
3294         return 0;
3295 }
3296
3297 enum ice_container_type {
3298         ICE_RX_CONTAINER,
3299         ICE_TX_CONTAINER,
3300 };
3301
3302 /**
3303  * ice_get_rc_coalesce - get ITR values for specific ring container
3304  * @ec: ethtool structure to fill with driver's coalesce settings
3305  * @c_type: container type, Rx or Tx
3306  * @rc: ring container that the ITR values will come from
3307  *
3308  * Query the device for ice_ring_container specific ITR values. This is
3309  * done per ice_ring_container because each q_vector can have 1 or more rings
3310  * and all of said ring(s) will have the same ITR values.
3311  *
3312  * Returns 0 on success, negative otherwise.
3313  */
3314 static int
3315 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type,
3316                     struct ice_ring_container *rc)
3317 {
3318         struct ice_pf *pf;
3319
3320         if (!rc->ring)
3321                 return -EINVAL;
3322
3323         pf = rc->ring->vsi->back;
3324
3325         switch (c_type) {
3326         case ICE_RX_CONTAINER:
3327                 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting);
3328                 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3329                 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl;
3330                 break;
3331         case ICE_TX_CONTAINER:
3332                 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting);
3333                 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3334                 break;
3335         default:
3336                 dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type);
3337                 return -EINVAL;
3338         }
3339
3340         return 0;
3341 }
3342
3343 /**
3344  * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings
3345  * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings
3346  * @ec: coalesce settings to program the device with
3347  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3348  *
3349  * Return 0 on success, and negative under the following conditions:
3350  * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed.
3351  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3352  */
3353 static int
3354 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3355 {
3356         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3357                 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
3358                                         &vsi->rx_rings[q_num]->q_vector->rx))
3359                         return -EINVAL;
3360                 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
3361                                         &vsi->tx_rings[q_num]->q_vector->tx))
3362                         return -EINVAL;
3363         } else if (q_num < vsi->num_rxq) {
3364                 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER,
3365                                         &vsi->rx_rings[q_num]->q_vector->rx))
3366                         return -EINVAL;
3367         } else if (q_num < vsi->num_txq) {
3368                 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER,
3369                                         &vsi->tx_rings[q_num]->q_vector->tx))
3370                         return -EINVAL;
3371         } else {
3372                 return -EINVAL;
3373         }
3374
3375         return 0;
3376 }
3377
3378 /**
3379  * __ice_get_coalesce - get ITR/INTRL values for the device
3380  * @netdev: pointer to the netdev associated with this query
3381  * @ec: ethtool structure to fill with driver's coalesce settings
3382  * @q_num: queue number to get the coalesce settings for
3383  *
3384  * If the caller passes in a negative q_num then we return coalesce settings
3385  * based on queue number 0, else use the actual q_num passed in.
3386  */
3387 static int
3388 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3389                    int q_num)
3390 {
3391         struct ice_netdev_priv *np = netdev_priv(netdev);
3392         struct ice_vsi *vsi = np->vsi;
3393
3394         if (q_num < 0)
3395                 q_num = 0;
3396
3397         if (ice_get_q_coalesce(vsi, ec, q_num))
3398                 return -EINVAL;
3399
3400         return 0;
3401 }
3402
3403 static int
3404 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec)
3405 {
3406         return __ice_get_coalesce(netdev, ec, -1);
3407 }
3408
3409 static int
3410 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num,
3411                        struct ethtool_coalesce *ec)
3412 {
3413         return __ice_get_coalesce(netdev, ec, q_num);
3414 }
3415
3416 /**
3417  * ice_set_rc_coalesce - set ITR values for specific ring container
3418  * @c_type: container type, Rx or Tx
3419  * @ec: ethtool structure from user to update ITR settings
3420  * @rc: ring container that the ITR values will come from
3421  * @vsi: VSI associated to the ring container
3422  *
3423  * Set specific ITR values. This is done per ice_ring_container because each
3424  * q_vector can have 1 or more rings and all of said ring(s) will have the same
3425  * ITR values.
3426  *
3427  * Returns 0 on success, negative otherwise.
3428  */
3429 static int
3430 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec,
3431                     struct ice_ring_container *rc, struct ice_vsi *vsi)
3432 {
3433         const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx";
3434         u32 use_adaptive_coalesce, coalesce_usecs;
3435         struct ice_pf *pf = vsi->back;
3436         u16 itr_setting;
3437
3438         if (!rc->ring)
3439                 return -EINVAL;
3440
3441         switch (c_type) {
3442         case ICE_RX_CONTAINER:
3443                 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL ||
3444                     (ec->rx_coalesce_usecs_high &&
3445                      ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) {
3446                         netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n",
3447                                     c_type_str, pf->hw.intrl_gran,
3448                                     ICE_MAX_INTRL);
3449                         return -EINVAL;
3450                 }
3451                 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) {
3452                         rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high;
3453                         wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx),
3454                              ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high,
3455                                                    pf->hw.intrl_gran));
3456                 }
3457
3458                 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce;
3459                 coalesce_usecs = ec->rx_coalesce_usecs;
3460
3461                 break;
3462         case ICE_TX_CONTAINER:
3463                 if (ec->tx_coalesce_usecs_high) {
3464                         netdev_info(vsi->netdev, "setting %s-usecs-high is not supported\n",
3465                                     c_type_str);
3466                         return -EINVAL;
3467                 }
3468
3469                 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce;
3470                 coalesce_usecs = ec->tx_coalesce_usecs;
3471
3472                 break;
3473         default:
3474                 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n",
3475                         c_type);
3476                 return -EINVAL;
3477         }
3478
3479         itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC;
3480         if (coalesce_usecs != itr_setting && use_adaptive_coalesce) {
3481                 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n",
3482                             c_type_str, c_type_str);
3483                 return -EINVAL;
3484         }
3485
3486         if (coalesce_usecs > ICE_ITR_MAX) {
3487                 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n",
3488                             c_type_str, ICE_ITR_MAX);
3489                 return -EINVAL;
3490         }
3491
3492         if (use_adaptive_coalesce) {
3493                 rc->itr_setting |= ICE_ITR_DYNAMIC;
3494         } else {
3495                 /* save the user set usecs */
3496                 rc->itr_setting = coalesce_usecs;
3497                 /* device ITR granularity is in 2 usec increments */
3498                 rc->target_itr = ITR_REG_ALIGN(rc->itr_setting);
3499         }
3500
3501         return 0;
3502 }
3503
3504 /**
3505  * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings
3506  * @vsi: VSI associated to the queue that need updating
3507  * @ec: coalesce settings to program the device with
3508  * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index
3509  *
3510  * Return 0 on success, and negative under the following conditions:
3511  * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed.
3512  * 2. The q_num passed in is not a valid number/index for Tx and Rx rings.
3513  */
3514 static int
3515 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num)
3516 {
3517         if (q_num < vsi->num_rxq && q_num < vsi->num_txq) {
3518                 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
3519                                         &vsi->rx_rings[q_num]->q_vector->rx,
3520                                         vsi))
3521                         return -EINVAL;
3522
3523                 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
3524                                         &vsi->tx_rings[q_num]->q_vector->tx,
3525                                         vsi))
3526                         return -EINVAL;
3527         } else if (q_num < vsi->num_rxq) {
3528                 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec,
3529                                         &vsi->rx_rings[q_num]->q_vector->rx,
3530                                         vsi))
3531                         return -EINVAL;
3532         } else if (q_num < vsi->num_txq) {
3533                 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec,
3534                                         &vsi->tx_rings[q_num]->q_vector->tx,
3535                                         vsi))
3536                         return -EINVAL;
3537         } else {
3538                 return -EINVAL;
3539         }
3540
3541         return 0;
3542 }
3543
3544 /**
3545  * ice_is_coalesce_param_invalid - check for unsupported coalesce parameters
3546  * @netdev: pointer to the netdev associated with this query
3547  * @ec: ethtool structure to fill with driver's coalesce settings
3548  *
3549  * Print netdev info if driver doesn't support one of the parameters
3550  * and return error. When any parameters will be implemented, remove only
3551  * this parameter from param array.
3552  */
3553 static int
3554 ice_is_coalesce_param_invalid(struct net_device *netdev,
3555                               struct ethtool_coalesce *ec)
3556 {
3557         struct ice_ethtool_not_used {
3558                 u32 value;
3559                 const char *name;
3560         } param[] = {
3561                 {ec->stats_block_coalesce_usecs, "stats-block-usecs"},
3562                 {ec->rate_sample_interval, "sample-interval"},
3563                 {ec->pkt_rate_low, "pkt-rate-low"},
3564                 {ec->pkt_rate_high, "pkt-rate-high"},
3565                 {ec->rx_max_coalesced_frames, "rx-frames"},
3566                 {ec->rx_coalesce_usecs_irq, "rx-usecs-irq"},
3567                 {ec->rx_max_coalesced_frames_irq, "rx-frames-irq"},
3568                 {ec->tx_max_coalesced_frames, "tx-frames"},
3569                 {ec->tx_coalesce_usecs_irq, "tx-usecs-irq"},
3570                 {ec->tx_max_coalesced_frames_irq, "tx-frames-irq"},
3571                 {ec->rx_coalesce_usecs_low, "rx-usecs-low"},
3572                 {ec->rx_max_coalesced_frames_low, "rx-frames-low"},
3573                 {ec->tx_coalesce_usecs_low, "tx-usecs-low"},
3574                 {ec->tx_max_coalesced_frames_low, "tx-frames-low"},
3575                 {ec->rx_max_coalesced_frames_high, "rx-frames-high"},
3576                 {ec->tx_max_coalesced_frames_high, "tx-frames-high"}
3577         };
3578         int i;
3579
3580         for (i = 0; i < ARRAY_SIZE(param); i++) {
3581                 if (param[i].value) {
3582                         netdev_info(netdev, "Setting %s not supported\n",
3583                                     param[i].name);
3584                         return -EINVAL;
3585                 }
3586         }
3587
3588         return 0;
3589 }
3590
3591 /**
3592  * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs
3593  * @netdev: netdev used for print
3594  * @itr_setting: previous user setting
3595  * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled
3596  * @coalesce_usecs: requested value of [tx|rx]-usecs
3597  * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs
3598  */
3599 static void
3600 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting,
3601                        u32 use_adaptive_coalesce, u32 coalesce_usecs,
3602                        const char *c_type_str)
3603 {
3604         if (use_adaptive_coalesce)
3605                 return;
3606
3607         itr_setting = ITR_TO_REG(itr_setting);
3608
3609         if (itr_setting != coalesce_usecs && (coalesce_usecs % 2))
3610                 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",
3611                             c_type_str, coalesce_usecs, c_type_str,
3612                             ITR_REG_ALIGN(coalesce_usecs));
3613 }
3614
3615 /**
3616  * __ice_set_coalesce - set ITR/INTRL values for the device
3617  * @netdev: pointer to the netdev associated with this query
3618  * @ec: ethtool structure to fill with driver's coalesce settings
3619  * @q_num: queue number to get the coalesce settings for
3620  *
3621  * If the caller passes in a negative q_num then we set the coalesce settings
3622  * for all Tx/Rx queues, else use the actual q_num passed in.
3623  */
3624 static int
3625 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec,
3626                    int q_num)
3627 {
3628         struct ice_netdev_priv *np = netdev_priv(netdev);
3629         struct ice_vsi *vsi = np->vsi;
3630
3631         if (ice_is_coalesce_param_invalid(netdev, ec))
3632                 return -EINVAL;
3633
3634         if (q_num < 0) {
3635                 struct ice_q_vector *q_vector = vsi->q_vectors[0];
3636                 int v_idx;
3637
3638                 if (q_vector) {
3639                         ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting,
3640                                                ec->use_adaptive_rx_coalesce,
3641                                                ec->rx_coalesce_usecs, "rx");
3642
3643                         ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting,
3644                                                ec->use_adaptive_tx_coalesce,
3645                                                ec->tx_coalesce_usecs, "tx");
3646                 }
3647
3648                 ice_for_each_q_vector(vsi, v_idx) {
3649                         /* In some cases if DCB is configured the num_[rx|tx]q
3650                          * can be less than vsi->num_q_vectors. This check
3651                          * accounts for that so we don't report a false failure
3652                          */
3653                         if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq)
3654                                 goto set_complete;
3655
3656                         if (ice_set_q_coalesce(vsi, ec, v_idx))
3657                                 return -EINVAL;
3658                 }
3659                 goto set_complete;
3660         }
3661
3662         if (ice_set_q_coalesce(vsi, ec, q_num))
3663                 return -EINVAL;
3664
3665 set_complete:
3666
3667         return 0;
3668 }
3669
3670 static int
3671 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec)
3672 {
3673         return __ice_set_coalesce(netdev, ec, -1);
3674 }
3675
3676 static int
3677 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num,
3678                        struct ethtool_coalesce *ec)
3679 {
3680         return __ice_set_coalesce(netdev, ec, q_num);
3681 }
3682
3683 #define ICE_I2C_EEPROM_DEV_ADDR         0xA0
3684 #define ICE_I2C_EEPROM_DEV_ADDR2        0xA2
3685 #define ICE_MODULE_TYPE_SFP             0x03
3686 #define ICE_MODULE_TYPE_QSFP_PLUS       0x0D
3687 #define ICE_MODULE_TYPE_QSFP28          0x11
3688 #define ICE_MODULE_SFF_ADDR_MODE        0x04
3689 #define ICE_MODULE_SFF_DIAG_CAPAB       0x40
3690 #define ICE_MODULE_REVISION_ADDR        0x01
3691 #define ICE_MODULE_SFF_8472_COMP        0x5E
3692 #define ICE_MODULE_SFF_8472_SWAP        0x5C
3693 #define ICE_MODULE_QSFP_MAX_LEN         640
3694
3695 /**
3696  * ice_get_module_info - get SFF module type and revision information
3697  * @netdev: network interface device structure
3698  * @modinfo: module EEPROM size and layout information structure
3699  */
3700 static int
3701 ice_get_module_info(struct net_device *netdev,
3702                     struct ethtool_modinfo *modinfo)
3703 {
3704         struct ice_netdev_priv *np = netdev_priv(netdev);
3705         struct ice_vsi *vsi = np->vsi;
3706         struct ice_pf *pf = vsi->back;
3707         struct ice_hw *hw = &pf->hw;
3708         enum ice_status status;
3709         u8 sff8472_comp = 0;
3710         u8 sff8472_swap = 0;
3711         u8 sff8636_rev = 0;
3712         u8 value = 0;
3713
3714         status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00,
3715                                    0, &value, 1, 0, NULL);
3716         if (status)
3717                 return -EIO;
3718
3719         switch (value) {
3720         case ICE_MODULE_TYPE_SFP:
3721                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3722                                            ICE_MODULE_SFF_8472_COMP, 0x00, 0,
3723                                            &sff8472_comp, 1, 0, NULL);
3724                 if (status)
3725                         return -EIO;
3726                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3727                                            ICE_MODULE_SFF_8472_SWAP, 0x00, 0,
3728                                            &sff8472_swap, 1, 0, NULL);
3729                 if (status)
3730                         return -EIO;
3731
3732                 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) {
3733                         modinfo->type = ETH_MODULE_SFF_8079;
3734                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3735                 } else if (sff8472_comp &&
3736                            (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) {
3737                         modinfo->type = ETH_MODULE_SFF_8472;
3738                         modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN;
3739                 } else {
3740                         modinfo->type = ETH_MODULE_SFF_8079;
3741                         modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN;
3742                 }
3743                 break;
3744         case ICE_MODULE_TYPE_QSFP_PLUS:
3745         case ICE_MODULE_TYPE_QSFP28:
3746                 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR,
3747                                            ICE_MODULE_REVISION_ADDR, 0x00, 0,
3748                                            &sff8636_rev, 1, 0, NULL);
3749                 if (status)
3750                         return -EIO;
3751                 /* Check revision compliance */
3752                 if (sff8636_rev > 0x02) {
3753                         /* Module is SFF-8636 compliant */
3754                         modinfo->type = ETH_MODULE_SFF_8636;
3755                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
3756                 } else {
3757                         modinfo->type = ETH_MODULE_SFF_8436;
3758                         modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN;
3759                 }
3760                 break;
3761         default:
3762                 netdev_warn(netdev, "SFF Module Type not recognized.\n");
3763                 return -EINVAL;
3764         }
3765         return 0;
3766 }
3767
3768 /**
3769  * ice_get_module_eeprom - fill buffer with SFF EEPROM contents
3770  * @netdev: network interface device structure
3771  * @ee: EEPROM dump request structure
3772  * @data: buffer to be filled with EEPROM contents
3773  */
3774 static int
3775 ice_get_module_eeprom(struct net_device *netdev,
3776                       struct ethtool_eeprom *ee, u8 *data)
3777 {
3778         struct ice_netdev_priv *np = netdev_priv(netdev);
3779         u8 addr = ICE_I2C_EEPROM_DEV_ADDR;
3780         struct ice_vsi *vsi = np->vsi;
3781         struct ice_pf *pf = vsi->back;
3782         struct ice_hw *hw = &pf->hw;
3783         enum ice_status status;
3784         bool is_sfp = false;
3785         u16 offset = 0;
3786         u8 value = 0;
3787         u8 page = 0;
3788         int i;
3789
3790         status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0,
3791                                    &value, 1, 0, NULL);
3792         if (status)
3793                 return -EIO;
3794
3795         if (!ee || !ee->len || !data)
3796                 return -EINVAL;
3797
3798         if (value == ICE_MODULE_TYPE_SFP)
3799                 is_sfp = true;
3800
3801         for (i = 0; i < ee->len; i++) {
3802                 offset = i + ee->offset;
3803
3804                 /* Check if we need to access the other memory page */
3805                 if (is_sfp) {
3806                         if (offset >= ETH_MODULE_SFF_8079_LEN) {
3807                                 offset -= ETH_MODULE_SFF_8079_LEN;
3808                                 addr = ICE_I2C_EEPROM_DEV_ADDR2;
3809                         }
3810                 } else {
3811                         while (offset >= ETH_MODULE_SFF_8436_LEN) {
3812                                 /* Compute memory page number and offset. */
3813                                 offset -= ETH_MODULE_SFF_8436_LEN / 2;
3814                                 page++;
3815                         }
3816                 }
3817
3818                 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp,
3819                                            &value, 1, 0, NULL);
3820                 if (status)
3821                         value = 0;
3822                 data[i] = value;
3823         }
3824         return 0;
3825 }
3826
3827 static const struct ethtool_ops ice_ethtool_ops = {
3828         .get_link_ksettings     = ice_get_link_ksettings,
3829         .set_link_ksettings     = ice_set_link_ksettings,
3830         .get_drvinfo            = ice_get_drvinfo,
3831         .get_regs_len           = ice_get_regs_len,
3832         .get_regs               = ice_get_regs,
3833         .get_msglevel           = ice_get_msglevel,
3834         .set_msglevel           = ice_set_msglevel,
3835         .self_test              = ice_self_test,
3836         .get_link               = ethtool_op_get_link,
3837         .get_eeprom_len         = ice_get_eeprom_len,
3838         .get_eeprom             = ice_get_eeprom,
3839         .get_coalesce           = ice_get_coalesce,
3840         .set_coalesce           = ice_set_coalesce,
3841         .get_strings            = ice_get_strings,
3842         .set_phys_id            = ice_set_phys_id,
3843         .get_ethtool_stats      = ice_get_ethtool_stats,
3844         .get_priv_flags         = ice_get_priv_flags,
3845         .set_priv_flags         = ice_set_priv_flags,
3846         .get_sset_count         = ice_get_sset_count,
3847         .get_rxnfc              = ice_get_rxnfc,
3848         .set_rxnfc              = ice_set_rxnfc,
3849         .get_ringparam          = ice_get_ringparam,
3850         .set_ringparam          = ice_set_ringparam,
3851         .nway_reset             = ice_nway_reset,
3852         .get_pauseparam         = ice_get_pauseparam,
3853         .set_pauseparam         = ice_set_pauseparam,
3854         .get_rxfh_key_size      = ice_get_rxfh_key_size,
3855         .get_rxfh_indir_size    = ice_get_rxfh_indir_size,
3856         .get_rxfh               = ice_get_rxfh,
3857         .set_rxfh               = ice_set_rxfh,
3858         .get_channels           = ice_get_channels,
3859         .set_channels           = ice_set_channels,
3860         .get_ts_info            = ethtool_op_get_ts_info,
3861         .get_per_queue_coalesce = ice_get_per_q_coalesce,
3862         .set_per_queue_coalesce = ice_set_per_q_coalesce,
3863         .get_fecparam           = ice_get_fecparam,
3864         .set_fecparam           = ice_set_fecparam,
3865         .get_module_info        = ice_get_module_info,
3866         .get_module_eeprom      = ice_get_module_eeprom,
3867 };
3868
3869 static const struct ethtool_ops ice_ethtool_safe_mode_ops = {
3870         .get_link_ksettings     = ice_get_link_ksettings,
3871         .set_link_ksettings     = ice_set_link_ksettings,
3872         .get_drvinfo            = ice_get_drvinfo,
3873         .get_regs_len           = ice_get_regs_len,
3874         .get_regs               = ice_get_regs,
3875         .get_msglevel           = ice_get_msglevel,
3876         .set_msglevel           = ice_set_msglevel,
3877         .get_eeprom_len         = ice_get_eeprom_len,
3878         .get_eeprom             = ice_get_eeprom,
3879         .get_strings            = ice_get_strings,
3880         .get_ethtool_stats      = ice_get_ethtool_stats,
3881         .get_sset_count         = ice_get_sset_count,
3882         .get_ringparam          = ice_get_ringparam,
3883         .set_ringparam          = ice_set_ringparam,
3884         .nway_reset             = ice_nway_reset,
3885         .get_channels           = ice_get_channels,
3886 };
3887
3888 /**
3889  * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops
3890  * @netdev: network interface device structure
3891  */
3892 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev)
3893 {
3894         netdev->ethtool_ops = &ice_ethtool_safe_mode_ops;
3895 }
3896
3897 /**
3898  * ice_set_ethtool_ops - setup netdev ethtool ops
3899  * @netdev: network interface device structure
3900  *
3901  * setup netdev ethtool ops with ice specific ops
3902  */
3903 void ice_set_ethtool_ops(struct net_device *netdev)
3904 {
3905         netdev->ethtool_ops = &ice_ethtool_ops;
3906 }