1// SPDX-License-Identifier: GPL-2.0 2/* Copyright (c) 2018, Intel Corporation. */ 3 4/* ethtool support for ice */ 5 6#include "ice.h" 7#include "ice_flow.h" 8#include "ice_fltr.h" 9#include "ice_lib.h" 10#include "ice_dcb_lib.h" 11#include <net/dcbnl.h> 12 13struct ice_stats { 14 char stat_string[ETH_GSTRING_LEN]; 15 int sizeof_stat; 16 int stat_offset; 17}; 18 19#define ICE_STAT(_type, _name, _stat) { \ 20 .stat_string = _name, \ 21 .sizeof_stat = sizeof_field(_type, _stat), \ 22 .stat_offset = offsetof(_type, _stat) \ 23} 24 25#define ICE_VSI_STAT(_name, _stat) \ 26 ICE_STAT(struct ice_vsi, _name, _stat) 27#define ICE_PF_STAT(_name, _stat) \ 28 ICE_STAT(struct ice_pf, _name, _stat) 29 30static int ice_q_stats_len(struct net_device *netdev) 31{ 32 struct ice_netdev_priv *np = netdev_priv(netdev); 33 34 return ((np->vsi->alloc_txq + np->vsi->alloc_rxq) * 35 (sizeof(struct ice_q_stats) / sizeof(u64))); 36} 37 38#define ICE_PF_STATS_LEN ARRAY_SIZE(ice_gstrings_pf_stats) 39#define ICE_VSI_STATS_LEN ARRAY_SIZE(ice_gstrings_vsi_stats) 40 41#define ICE_PFC_STATS_LEN ( \ 42 (sizeof_field(struct ice_pf, stats.priority_xoff_rx) + \ 43 sizeof_field(struct ice_pf, stats.priority_xon_rx) + \ 44 sizeof_field(struct ice_pf, stats.priority_xoff_tx) + \ 45 sizeof_field(struct ice_pf, stats.priority_xon_tx)) \ 46 / sizeof(u64)) 47#define ICE_ALL_STATS_LEN(n) (ICE_PF_STATS_LEN + ICE_PFC_STATS_LEN + \ 48 ICE_VSI_STATS_LEN + ice_q_stats_len(n)) 49 50static const struct ice_stats ice_gstrings_vsi_stats[] = { 51 ICE_VSI_STAT("rx_unicast", eth_stats.rx_unicast), 52 ICE_VSI_STAT("tx_unicast", eth_stats.tx_unicast), 53 ICE_VSI_STAT("rx_multicast", eth_stats.rx_multicast), 54 ICE_VSI_STAT("tx_multicast", eth_stats.tx_multicast), 55 ICE_VSI_STAT("rx_broadcast", eth_stats.rx_broadcast), 56 ICE_VSI_STAT("tx_broadcast", eth_stats.tx_broadcast), 57 ICE_VSI_STAT("rx_bytes", eth_stats.rx_bytes), 58 ICE_VSI_STAT("tx_bytes", eth_stats.tx_bytes), 59 ICE_VSI_STAT("rx_dropped", eth_stats.rx_discards), 60 ICE_VSI_STAT("rx_unknown_protocol", eth_stats.rx_unknown_protocol), 61 ICE_VSI_STAT("rx_alloc_fail", rx_buf_failed), 62 ICE_VSI_STAT("rx_pg_alloc_fail", rx_page_failed), 63 ICE_VSI_STAT("rx_gro_dropped", rx_gro_dropped), 64 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 65 ICE_VSI_STAT("tx_linearize", tx_linearize), 66 ICE_VSI_STAT("tx_busy", tx_busy), 67 ICE_VSI_STAT("tx_restart", tx_restart), 68}; 69 70enum ice_ethtool_test_id { 71 ICE_ETH_TEST_REG = 0, 72 ICE_ETH_TEST_EEPROM, 73 ICE_ETH_TEST_INTR, 74 ICE_ETH_TEST_LOOP, 75 ICE_ETH_TEST_LINK, 76}; 77 78static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 79 "Register test (offline)", 80 "EEPROM test (offline)", 81 "Interrupt test (offline)", 82 "Loopback test (offline)", 83 "Link test (on/offline)", 84}; 85 86#define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 87 88/* These PF_STATs might look like duplicates of some NETDEV_STATs, 89 * but they aren't. This device is capable of supporting multiple 90 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 91 * netdevs whereas the PF_STATs are for the physical function that's 92 * hosting these netdevs. 93 * 94 * The PF_STATs are appended to the netdev stats only when ethtool -S 95 * is queried on the base PF netdev. 96 */ 97static const struct ice_stats ice_gstrings_pf_stats[] = { 98 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 99 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 100 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 101 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 102 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 103 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 104 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 105 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 106 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 107 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 108 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 109 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 110 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 111 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 112 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 113 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 114 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 115 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 116 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 117 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 118 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 119 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 120 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 121 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 122 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 123 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 124 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 125 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 126 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 127 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 128 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 129 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 130 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 131 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 132 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 133 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 134 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 135 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 136 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 137 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 138 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 139 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 140}; 141 142static const u32 ice_regs_dump_list[] = { 143 PFGEN_STATE, 144 PRTGEN_STATUS, 145 QRX_CTRL(0), 146 QINT_TQCTL(0), 147 QINT_RQCTL(0), 148 PFINT_OICR_ENA, 149 QRX_ITR(0), 150}; 151 152struct ice_priv_flag { 153 char name[ETH_GSTRING_LEN]; 154 u32 bitno; /* bit position in pf->flags */ 155}; 156 157#define ICE_PRIV_FLAG(_name, _bitno) { \ 158 .name = _name, \ 159 .bitno = _bitno, \ 160} 161 162static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 163 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 164 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 165 ICE_PRIV_FLAG("vf-true-promisc-support", 166 ICE_FLAG_VF_TRUE_PROMISC_ENA), 167 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 168 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 169}; 170 171#define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 172 173static void 174ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 175{ 176 struct ice_netdev_priv *np = netdev_priv(netdev); 177 struct ice_vsi *vsi = np->vsi; 178 struct ice_pf *pf = vsi->back; 179 struct ice_hw *hw = &pf->hw; 180 struct ice_orom_info *orom; 181 struct ice_nvm_info *nvm; 182 183 nvm = &hw->nvm; 184 orom = &nvm->orom; 185 186 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 187 188 /* Display NVM version (from which the firmware version can be 189 * determined) which contains more pertinent information. 190 */ 191 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 192 "%x.%02x 0x%x %d.%d.%d", nvm->major_ver, nvm->minor_ver, 193 nvm->eetrack, orom->major, orom->build, orom->patch); 194 195 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 196 sizeof(drvinfo->bus_info)); 197 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 198} 199 200static int ice_get_regs_len(struct net_device __always_unused *netdev) 201{ 202 return sizeof(ice_regs_dump_list); 203} 204 205static void 206ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 207{ 208 struct ice_netdev_priv *np = netdev_priv(netdev); 209 struct ice_pf *pf = np->vsi->back; 210 struct ice_hw *hw = &pf->hw; 211 u32 *regs_buf = (u32 *)p; 212 unsigned int i; 213 214 regs->version = 1; 215 216 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 217 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 218} 219 220static u32 ice_get_msglevel(struct net_device *netdev) 221{ 222 struct ice_netdev_priv *np = netdev_priv(netdev); 223 struct ice_pf *pf = np->vsi->back; 224 225#ifndef CONFIG_DYNAMIC_DEBUG 226 if (pf->hw.debug_mask) 227 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 228 pf->hw.debug_mask); 229#endif /* !CONFIG_DYNAMIC_DEBUG */ 230 231 return pf->msg_enable; 232} 233 234static void ice_set_msglevel(struct net_device *netdev, u32 data) 235{ 236 struct ice_netdev_priv *np = netdev_priv(netdev); 237 struct ice_pf *pf = np->vsi->back; 238 239#ifndef CONFIG_DYNAMIC_DEBUG 240 if (ICE_DBG_USER & data) 241 pf->hw.debug_mask = data; 242 else 243 pf->msg_enable = data; 244#else 245 pf->msg_enable = data; 246#endif /* !CONFIG_DYNAMIC_DEBUG */ 247} 248 249static int ice_get_eeprom_len(struct net_device *netdev) 250{ 251 struct ice_netdev_priv *np = netdev_priv(netdev); 252 struct ice_pf *pf = np->vsi->back; 253 254 return (int)pf->hw.nvm.flash_size; 255} 256 257static int 258ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 259 u8 *bytes) 260{ 261 struct ice_netdev_priv *np = netdev_priv(netdev); 262 struct ice_vsi *vsi = np->vsi; 263 struct ice_pf *pf = vsi->back; 264 struct ice_hw *hw = &pf->hw; 265 enum ice_status status; 266 struct device *dev; 267 int ret = 0; 268 u8 *buf; 269 270 dev = ice_pf_to_dev(pf); 271 272 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 273 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 274 eeprom->cmd, eeprom->offset, eeprom->len); 275 276 buf = kzalloc(eeprom->len, GFP_KERNEL); 277 if (!buf) 278 return -ENOMEM; 279 280 status = ice_acquire_nvm(hw, ICE_RES_READ); 281 if (status) { 282 dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n", 283 ice_stat_str(status), 284 ice_aq_str(hw->adminq.sq_last_status)); 285 ret = -EIO; 286 goto out; 287 } 288 289 status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 290 false); 291 if (status) { 292 dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n", 293 ice_stat_str(status), 294 ice_aq_str(hw->adminq.sq_last_status)); 295 ret = -EIO; 296 goto release; 297 } 298 299 memcpy(bytes, buf, eeprom->len); 300release: 301 ice_release_nvm(hw); 302out: 303 kfree(buf); 304 return ret; 305} 306 307/** 308 * ice_active_vfs - check if there are any active VFs 309 * @pf: board private structure 310 * 311 * Returns true if an active VF is found, otherwise returns false 312 */ 313static bool ice_active_vfs(struct ice_pf *pf) 314{ 315 unsigned int i; 316 317 ice_for_each_vf(pf, i) { 318 struct ice_vf *vf = &pf->vf[i]; 319 320 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 321 return true; 322 } 323 324 return false; 325} 326 327/** 328 * ice_link_test - perform a link test on a given net_device 329 * @netdev: network interface device structure 330 * 331 * This function performs one of the self-tests required by ethtool. 332 * Returns 0 on success, non-zero on failure. 333 */ 334static u64 ice_link_test(struct net_device *netdev) 335{ 336 struct ice_netdev_priv *np = netdev_priv(netdev); 337 enum ice_status status; 338 bool link_up = false; 339 340 netdev_info(netdev, "link test\n"); 341 status = ice_get_link_status(np->vsi->port_info, &link_up); 342 if (status) { 343 netdev_err(netdev, "link query error, status = %s\n", 344 ice_stat_str(status)); 345 return 1; 346 } 347 348 if (!link_up) 349 return 2; 350 351 return 0; 352} 353 354/** 355 * ice_eeprom_test - perform an EEPROM test on a given net_device 356 * @netdev: network interface device structure 357 * 358 * This function performs one of the self-tests required by ethtool. 359 * Returns 0 on success, non-zero on failure. 360 */ 361static u64 ice_eeprom_test(struct net_device *netdev) 362{ 363 struct ice_netdev_priv *np = netdev_priv(netdev); 364 struct ice_pf *pf = np->vsi->back; 365 366 netdev_info(netdev, "EEPROM test\n"); 367 return !!(ice_nvm_validate_checksum(&pf->hw)); 368} 369 370/** 371 * ice_reg_pattern_test 372 * @hw: pointer to the HW struct 373 * @reg: reg to be tested 374 * @mask: bits to be touched 375 */ 376static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 377{ 378 struct ice_pf *pf = (struct ice_pf *)hw->back; 379 struct device *dev = ice_pf_to_dev(pf); 380 static const u32 patterns[] = { 381 0x5A5A5A5A, 0xA5A5A5A5, 382 0x00000000, 0xFFFFFFFF 383 }; 384 u32 val, orig_val; 385 unsigned int i; 386 387 orig_val = rd32(hw, reg); 388 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 389 u32 pattern = patterns[i] & mask; 390 391 wr32(hw, reg, pattern); 392 val = rd32(hw, reg); 393 if (val == pattern) 394 continue; 395 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 396 , __func__, reg, pattern, val); 397 return 1; 398 } 399 400 wr32(hw, reg, orig_val); 401 val = rd32(hw, reg); 402 if (val != orig_val) { 403 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 404 , __func__, reg, orig_val, val); 405 return 1; 406 } 407 408 return 0; 409} 410 411/** 412 * ice_reg_test - perform a register test on a given net_device 413 * @netdev: network interface device structure 414 * 415 * This function performs one of the self-tests required by ethtool. 416 * Returns 0 on success, non-zero on failure. 417 */ 418static u64 ice_reg_test(struct net_device *netdev) 419{ 420 struct ice_netdev_priv *np = netdev_priv(netdev); 421 struct ice_hw *hw = np->vsi->port_info->hw; 422 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 423 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 424 struct ice_diag_reg_test_info { 425 u32 address; 426 u32 mask; 427 u32 elem_num; 428 u32 elem_size; 429 } ice_reg_list[] = { 430 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 431 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 432 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 433 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 434 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 435 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 436 {GLINT_CTL, 0xffff0001, 1, 0} 437 }; 438 unsigned int i; 439 440 netdev_dbg(netdev, "Register test\n"); 441 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 442 u32 j; 443 444 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 445 u32 mask = ice_reg_list[i].mask; 446 u32 reg = ice_reg_list[i].address + 447 (j * ice_reg_list[i].elem_size); 448 449 /* bail on failure (non-zero return) */ 450 if (ice_reg_pattern_test(hw, reg, mask)) 451 return 1; 452 } 453 } 454 455 return 0; 456} 457 458/** 459 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 460 * @vsi: pointer to the VSI structure 461 * 462 * Function configures rings of a VSI for loopback test without 463 * enabling interrupts or informing the kernel about new queues. 464 * 465 * Returns 0 on success, negative on failure. 466 */ 467static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 468{ 469 int status; 470 471 status = ice_vsi_setup_tx_rings(vsi); 472 if (status) 473 goto err_setup_tx_ring; 474 475 status = ice_vsi_setup_rx_rings(vsi); 476 if (status) 477 goto err_setup_rx_ring; 478 479 status = ice_vsi_cfg(vsi); 480 if (status) 481 goto err_setup_rx_ring; 482 483 status = ice_vsi_start_all_rx_rings(vsi); 484 if (status) 485 goto err_start_rx_ring; 486 487 return status; 488 489err_start_rx_ring: 490 ice_vsi_free_rx_rings(vsi); 491err_setup_rx_ring: 492 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 493err_setup_tx_ring: 494 ice_vsi_free_tx_rings(vsi); 495 496 return status; 497} 498 499/** 500 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 501 * @vsi: pointer to the VSI structure 502 * 503 * Function stops and frees VSI rings after a loopback test. 504 * Returns 0 on success, negative on failure. 505 */ 506static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 507{ 508 int status; 509 510 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 511 if (status) 512 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 513 vsi->vsi_num, status); 514 515 status = ice_vsi_stop_all_rx_rings(vsi); 516 if (status) 517 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 518 vsi->vsi_num, status); 519 520 ice_vsi_free_tx_rings(vsi); 521 ice_vsi_free_rx_rings(vsi); 522 523 return status; 524} 525 526/** 527 * ice_lbtest_create_frame - create test packet 528 * @pf: pointer to the PF structure 529 * @ret_data: allocated frame buffer 530 * @size: size of the packet data 531 * 532 * Function allocates a frame with a test pattern on specific offsets. 533 * Returns 0 on success, non-zero on failure. 534 */ 535static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 536{ 537 u8 *data; 538 539 if (!pf) 540 return -EINVAL; 541 542 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 543 if (!data) 544 return -ENOMEM; 545 546 /* Since the ethernet test frame should always be at least 547 * 64 bytes long, fill some octets in the payload with test data. 548 */ 549 memset(data, 0xFF, size); 550 data[32] = 0xDE; 551 data[42] = 0xAD; 552 data[44] = 0xBE; 553 data[46] = 0xEF; 554 555 *ret_data = data; 556 557 return 0; 558} 559 560/** 561 * ice_lbtest_check_frame - verify received loopback frame 562 * @frame: pointer to the raw packet data 563 * 564 * Function verifies received test frame with a pattern. 565 * Returns true if frame matches the pattern, false otherwise. 566 */ 567static bool ice_lbtest_check_frame(u8 *frame) 568{ 569 /* Validate bytes of a frame under offsets chosen earlier */ 570 if (frame[32] == 0xDE && 571 frame[42] == 0xAD && 572 frame[44] == 0xBE && 573 frame[46] == 0xEF && 574 frame[48] == 0xFF) 575 return true; 576 577 return false; 578} 579 580/** 581 * ice_diag_send - send test frames to the test ring 582 * @tx_ring: pointer to the transmit ring 583 * @data: pointer to the raw packet data 584 * @size: size of the packet to send 585 * 586 * Function sends loopback packets on a test Tx ring. 587 */ 588static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) 589{ 590 struct ice_tx_desc *tx_desc; 591 struct ice_tx_buf *tx_buf; 592 dma_addr_t dma; 593 u64 td_cmd; 594 595 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 596 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 597 598 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 599 if (dma_mapping_error(tx_ring->dev, dma)) 600 return -EINVAL; 601 602 tx_desc->buf_addr = cpu_to_le64(dma); 603 604 /* These flags are required for a descriptor to be pushed out */ 605 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 606 tx_desc->cmd_type_offset_bsz = 607 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 608 (td_cmd << ICE_TXD_QW1_CMD_S) | 609 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 610 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 611 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 612 613 tx_buf->next_to_watch = tx_desc; 614 615 /* Force memory write to complete before letting h/w know 616 * there are new descriptors to fetch. 617 */ 618 wmb(); 619 620 tx_ring->next_to_use++; 621 if (tx_ring->next_to_use >= tx_ring->count) 622 tx_ring->next_to_use = 0; 623 624 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 625 626 /* Wait until the packets get transmitted to the receive queue. */ 627 usleep_range(1000, 2000); 628 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 629 630 return 0; 631} 632 633#define ICE_LB_FRAME_SIZE 64 634/** 635 * ice_lbtest_receive_frames - receive and verify test frames 636 * @rx_ring: pointer to the receive ring 637 * 638 * Function receives loopback packets and verify their correctness. 639 * Returns number of received valid frames. 640 */ 641static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) 642{ 643 struct ice_rx_buf *rx_buf; 644 int valid_frames, i; 645 u8 *received_buf; 646 647 valid_frames = 0; 648 649 for (i = 0; i < rx_ring->count; i++) { 650 union ice_32b_rx_flex_desc *rx_desc; 651 652 rx_desc = ICE_RX_DESC(rx_ring, i); 653 654 if (!(rx_desc->wb.status_error0 & 655 (cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_DD_S)) | 656 cpu_to_le16(BIT(ICE_RX_FLEX_DESC_STATUS0_EOF_S))))) 657 continue; 658 659 rx_buf = &rx_ring->rx_buf[i]; 660 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 661 662 if (ice_lbtest_check_frame(received_buf)) 663 valid_frames++; 664 } 665 666 return valid_frames; 667} 668 669/** 670 * ice_loopback_test - perform a loopback test on a given net_device 671 * @netdev: network interface device structure 672 * 673 * This function performs one of the self-tests required by ethtool. 674 * Returns 0 on success, non-zero on failure. 675 */ 676static u64 ice_loopback_test(struct net_device *netdev) 677{ 678 struct ice_netdev_priv *np = netdev_priv(netdev); 679 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 680 struct ice_pf *pf = orig_vsi->back; 681 struct ice_ring *tx_ring, *rx_ring; 682 u8 broadcast[ETH_ALEN], ret = 0; 683 int num_frames, valid_frames; 684 struct device *dev; 685 u8 *tx_frame; 686 int i; 687 688 dev = ice_pf_to_dev(pf); 689 netdev_info(netdev, "loopback test\n"); 690 691 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 692 if (!test_vsi) { 693 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 694 return 1; 695 } 696 697 test_vsi->netdev = netdev; 698 tx_ring = test_vsi->tx_rings[0]; 699 rx_ring = test_vsi->rx_rings[0]; 700 701 if (ice_lbtest_prepare_rings(test_vsi)) { 702 ret = 2; 703 goto lbtest_vsi_close; 704 } 705 706 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 707 ret = 3; 708 goto lbtest_rings_dis; 709 } 710 711 /* Enable MAC loopback in firmware */ 712 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 713 ret = 4; 714 goto lbtest_mac_dis; 715 } 716 717 /* Test VSI needs to receive broadcast packets */ 718 eth_broadcast_addr(broadcast); 719 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 720 ret = 5; 721 goto lbtest_mac_dis; 722 } 723 724 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 725 ret = 7; 726 goto remove_mac_filters; 727 } 728 729 num_frames = min_t(int, tx_ring->count, 32); 730 for (i = 0; i < num_frames; i++) { 731 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 732 ret = 8; 733 goto lbtest_free_frame; 734 } 735 } 736 737 valid_frames = ice_lbtest_receive_frames(rx_ring); 738 if (!valid_frames) 739 ret = 9; 740 else if (valid_frames != num_frames) 741 ret = 10; 742 743lbtest_free_frame: 744 devm_kfree(dev, tx_frame); 745remove_mac_filters: 746 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 747 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 748lbtest_mac_dis: 749 /* Disable MAC loopback after the test is completed. */ 750 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 751 netdev_err(netdev, "Could not disable MAC loopback\n"); 752lbtest_rings_dis: 753 if (ice_lbtest_disable_rings(test_vsi)) 754 netdev_err(netdev, "Could not disable test rings\n"); 755lbtest_vsi_close: 756 test_vsi->netdev = NULL; 757 if (ice_vsi_release(test_vsi)) 758 netdev_err(netdev, "Failed to remove the test VSI\n"); 759 760 return ret; 761} 762 763/** 764 * ice_intr_test - perform an interrupt test on a given net_device 765 * @netdev: network interface device structure 766 * 767 * This function performs one of the self-tests required by ethtool. 768 * Returns 0 on success, non-zero on failure. 769 */ 770static u64 ice_intr_test(struct net_device *netdev) 771{ 772 struct ice_netdev_priv *np = netdev_priv(netdev); 773 struct ice_pf *pf = np->vsi->back; 774 u16 swic_old = pf->sw_int_count; 775 776 netdev_info(netdev, "interrupt test\n"); 777 778 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 779 GLINT_DYN_CTL_SW_ITR_INDX_M | 780 GLINT_DYN_CTL_INTENA_MSK_M | 781 GLINT_DYN_CTL_SWINT_TRIG_M); 782 783 usleep_range(1000, 2000); 784 return (swic_old == pf->sw_int_count); 785} 786 787/** 788 * ice_self_test - handler function for performing a self-test by ethtool 789 * @netdev: network interface device structure 790 * @eth_test: ethtool_test structure 791 * @data: required by ethtool.self_test 792 * 793 * This function is called after invoking 'ethtool -t devname' command where 794 * devname is the name of the network device on which ethtool should operate. 795 * It performs a set of self-tests to check if a device works properly. 796 */ 797static void 798ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 799 u64 *data) 800{ 801 struct ice_netdev_priv *np = netdev_priv(netdev); 802 bool if_running = netif_running(netdev); 803 struct ice_pf *pf = np->vsi->back; 804 struct device *dev; 805 806 dev = ice_pf_to_dev(pf); 807 808 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 809 netdev_info(netdev, "offline testing starting\n"); 810 811 set_bit(__ICE_TESTING, pf->state); 812 813 if (ice_active_vfs(pf)) { 814 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 815 data[ICE_ETH_TEST_REG] = 1; 816 data[ICE_ETH_TEST_EEPROM] = 1; 817 data[ICE_ETH_TEST_INTR] = 1; 818 data[ICE_ETH_TEST_LOOP] = 1; 819 data[ICE_ETH_TEST_LINK] = 1; 820 eth_test->flags |= ETH_TEST_FL_FAILED; 821 clear_bit(__ICE_TESTING, pf->state); 822 goto skip_ol_tests; 823 } 824 /* If the device is online then take it offline */ 825 if (if_running) 826 /* indicate we're in test mode */ 827 ice_stop(netdev); 828 829 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 830 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 831 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 832 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 833 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 834 835 if (data[ICE_ETH_TEST_LINK] || 836 data[ICE_ETH_TEST_EEPROM] || 837 data[ICE_ETH_TEST_LOOP] || 838 data[ICE_ETH_TEST_INTR] || 839 data[ICE_ETH_TEST_REG]) 840 eth_test->flags |= ETH_TEST_FL_FAILED; 841 842 clear_bit(__ICE_TESTING, pf->state); 843 844 if (if_running) { 845 int status = ice_open(netdev); 846 847 if (status) { 848 dev_err(dev, "Could not open device %s, err %d\n", 849 pf->int_name, status); 850 } 851 } 852 } else { 853 /* Online tests */ 854 netdev_info(netdev, "online testing starting\n"); 855 856 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 857 if (data[ICE_ETH_TEST_LINK]) 858 eth_test->flags |= ETH_TEST_FL_FAILED; 859 860 /* Offline only tests, not run in online; pass by default */ 861 data[ICE_ETH_TEST_REG] = 0; 862 data[ICE_ETH_TEST_EEPROM] = 0; 863 data[ICE_ETH_TEST_INTR] = 0; 864 data[ICE_ETH_TEST_LOOP] = 0; 865 } 866 867skip_ol_tests: 868 netdev_info(netdev, "testing finished\n"); 869} 870 871static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 872{ 873 struct ice_netdev_priv *np = netdev_priv(netdev); 874 struct ice_vsi *vsi = np->vsi; 875 char *p = (char *)data; 876 unsigned int i; 877 878 switch (stringset) { 879 case ETH_SS_STATS: 880 for (i = 0; i < ICE_VSI_STATS_LEN; i++) { 881 snprintf(p, ETH_GSTRING_LEN, "%s", 882 ice_gstrings_vsi_stats[i].stat_string); 883 p += ETH_GSTRING_LEN; 884 } 885 886 ice_for_each_alloc_txq(vsi, i) { 887 snprintf(p, ETH_GSTRING_LEN, 888 "tx_queue_%u_packets", i); 889 p += ETH_GSTRING_LEN; 890 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); 891 p += ETH_GSTRING_LEN; 892 } 893 894 ice_for_each_alloc_rxq(vsi, i) { 895 snprintf(p, ETH_GSTRING_LEN, 896 "rx_queue_%u_packets", i); 897 p += ETH_GSTRING_LEN; 898 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); 899 p += ETH_GSTRING_LEN; 900 } 901 902 if (vsi->type != ICE_VSI_PF) 903 return; 904 905 for (i = 0; i < ICE_PF_STATS_LEN; i++) { 906 snprintf(p, ETH_GSTRING_LEN, "%s", 907 ice_gstrings_pf_stats[i].stat_string); 908 p += ETH_GSTRING_LEN; 909 } 910 911 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 912 snprintf(p, ETH_GSTRING_LEN, 913 "tx_priority_%u_xon.nic", i); 914 p += ETH_GSTRING_LEN; 915 snprintf(p, ETH_GSTRING_LEN, 916 "tx_priority_%u_xoff.nic", i); 917 p += ETH_GSTRING_LEN; 918 } 919 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 920 snprintf(p, ETH_GSTRING_LEN, 921 "rx_priority_%u_xon.nic", i); 922 p += ETH_GSTRING_LEN; 923 snprintf(p, ETH_GSTRING_LEN, 924 "rx_priority_%u_xoff.nic", i); 925 p += ETH_GSTRING_LEN; 926 } 927 break; 928 case ETH_SS_TEST: 929 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 930 break; 931 case ETH_SS_PRIV_FLAGS: 932 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 933 snprintf(p, ETH_GSTRING_LEN, "%s", 934 ice_gstrings_priv_flags[i].name); 935 p += ETH_GSTRING_LEN; 936 } 937 break; 938 default: 939 break; 940 } 941} 942 943static int 944ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 945{ 946 struct ice_netdev_priv *np = netdev_priv(netdev); 947 bool led_active; 948 949 switch (state) { 950 case ETHTOOL_ID_ACTIVE: 951 led_active = true; 952 break; 953 case ETHTOOL_ID_INACTIVE: 954 led_active = false; 955 break; 956 default: 957 return -EINVAL; 958 } 959 960 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 961 return -EIO; 962 963 return 0; 964} 965 966/** 967 * ice_set_fec_cfg - Set link FEC options 968 * @netdev: network interface device structure 969 * @req_fec: FEC mode to configure 970 */ 971static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 972{ 973 struct ice_netdev_priv *np = netdev_priv(netdev); 974 struct ice_aqc_set_phy_cfg_data config = { 0 }; 975 struct ice_vsi *vsi = np->vsi; 976 struct ice_port_info *pi; 977 978 pi = vsi->port_info; 979 if (!pi) 980 return -EOPNOTSUPP; 981 982 /* Changing the FEC parameters is not supported if not the PF VSI */ 983 if (vsi->type != ICE_VSI_PF) { 984 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 985 return -EOPNOTSUPP; 986 } 987 988 /* Proceed only if requesting different FEC mode */ 989 if (pi->phy.curr_user_fec_req == req_fec) 990 return 0; 991 992 /* Copy the current user PHY configuration. The current user PHY 993 * configuration is initialized during probe from PHY capabilities 994 * software mode, and updated on set PHY configuration. 995 */ 996 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 997 998 ice_cfg_phy_fec(pi, &config, req_fec); 999 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 1000 1001 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1002 return -EAGAIN; 1003 1004 /* Save requested FEC config */ 1005 pi->phy.curr_user_fec_req = req_fec; 1006 1007 return 0; 1008} 1009 1010/** 1011 * ice_set_fecparam - Set FEC link options 1012 * @netdev: network interface device structure 1013 * @fecparam: Ethtool structure to retrieve FEC parameters 1014 */ 1015static int 1016ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1017{ 1018 struct ice_netdev_priv *np = netdev_priv(netdev); 1019 struct ice_vsi *vsi = np->vsi; 1020 enum ice_fec_mode fec; 1021 1022 switch (fecparam->fec) { 1023 case ETHTOOL_FEC_AUTO: 1024 fec = ICE_FEC_AUTO; 1025 break; 1026 case ETHTOOL_FEC_RS: 1027 fec = ICE_FEC_RS; 1028 break; 1029 case ETHTOOL_FEC_BASER: 1030 fec = ICE_FEC_BASER; 1031 break; 1032 case ETHTOOL_FEC_OFF: 1033 case ETHTOOL_FEC_NONE: 1034 fec = ICE_FEC_NONE; 1035 break; 1036 default: 1037 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1038 fecparam->fec); 1039 return -EINVAL; 1040 } 1041 1042 return ice_set_fec_cfg(netdev, fec); 1043} 1044 1045/** 1046 * ice_get_fecparam - Get link FEC options 1047 * @netdev: network interface device structure 1048 * @fecparam: Ethtool structure to retrieve FEC parameters 1049 */ 1050static int 1051ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1052{ 1053 struct ice_netdev_priv *np = netdev_priv(netdev); 1054 struct ice_aqc_get_phy_caps_data *caps; 1055 struct ice_link_status *link_info; 1056 struct ice_vsi *vsi = np->vsi; 1057 struct ice_port_info *pi; 1058 enum ice_status status; 1059 int err = 0; 1060 1061 pi = vsi->port_info; 1062 1063 if (!pi) 1064 return -EOPNOTSUPP; 1065 link_info = &pi->phy.link_info; 1066 1067 /* Set FEC mode based on negotiated link info */ 1068 switch (link_info->fec_info) { 1069 case ICE_AQ_LINK_25G_KR_FEC_EN: 1070 fecparam->active_fec = ETHTOOL_FEC_BASER; 1071 break; 1072 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1073 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1074 fecparam->active_fec = ETHTOOL_FEC_RS; 1075 break; 1076 default: 1077 fecparam->active_fec = ETHTOOL_FEC_OFF; 1078 break; 1079 } 1080 1081 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1082 if (!caps) 1083 return -ENOMEM; 1084 1085 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1086 caps, NULL); 1087 if (status) { 1088 err = -EAGAIN; 1089 goto done; 1090 } 1091 1092 /* Set supported/configured FEC modes based on PHY capability */ 1093 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1094 fecparam->fec |= ETHTOOL_FEC_AUTO; 1095 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1096 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1097 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1098 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1099 fecparam->fec |= ETHTOOL_FEC_BASER; 1100 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1101 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1102 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1103 fecparam->fec |= ETHTOOL_FEC_RS; 1104 if (caps->link_fec_options == 0) 1105 fecparam->fec |= ETHTOOL_FEC_OFF; 1106 1107done: 1108 kfree(caps); 1109 return err; 1110} 1111 1112/** 1113 * ice_nway_reset - restart autonegotiation 1114 * @netdev: network interface device structure 1115 */ 1116static int ice_nway_reset(struct net_device *netdev) 1117{ 1118 struct ice_netdev_priv *np = netdev_priv(netdev); 1119 struct ice_vsi *vsi = np->vsi; 1120 struct ice_port_info *pi; 1121 enum ice_status status; 1122 1123 pi = vsi->port_info; 1124 /* If VSI state is up, then restart autoneg with link up */ 1125 if (!test_bit(__ICE_DOWN, vsi->back->state)) 1126 status = ice_aq_set_link_restart_an(pi, true, NULL); 1127 else 1128 status = ice_aq_set_link_restart_an(pi, false, NULL); 1129 1130 if (status) { 1131 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 1132 ice_stat_str(status), 1133 ice_aq_str(pi->hw->adminq.sq_last_status)); 1134 return -EIO; 1135 } 1136 1137 return 0; 1138} 1139 1140/** 1141 * ice_get_priv_flags - report device private flags 1142 * @netdev: network interface device structure 1143 * 1144 * The get string set count and the string set should be matched for each 1145 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1146 * array. 1147 * 1148 * Returns a u32 bitmap of flags. 1149 */ 1150static u32 ice_get_priv_flags(struct net_device *netdev) 1151{ 1152 struct ice_netdev_priv *np = netdev_priv(netdev); 1153 struct ice_vsi *vsi = np->vsi; 1154 struct ice_pf *pf = vsi->back; 1155 u32 i, ret_flags = 0; 1156 1157 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1158 const struct ice_priv_flag *priv_flag; 1159 1160 priv_flag = &ice_gstrings_priv_flags[i]; 1161 1162 if (test_bit(priv_flag->bitno, pf->flags)) 1163 ret_flags |= BIT(i); 1164 } 1165 1166 return ret_flags; 1167} 1168 1169/** 1170 * ice_set_priv_flags - set private flags 1171 * @netdev: network interface device structure 1172 * @flags: bit flags to be set 1173 */ 1174static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1175{ 1176 struct ice_netdev_priv *np = netdev_priv(netdev); 1177 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1178 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1179 struct ice_vsi *vsi = np->vsi; 1180 struct ice_pf *pf = vsi->back; 1181 struct device *dev; 1182 int ret = 0; 1183 u32 i; 1184 1185 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1186 return -EINVAL; 1187 1188 dev = ice_pf_to_dev(pf); 1189 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1190 1191 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1192 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1193 const struct ice_priv_flag *priv_flag; 1194 1195 priv_flag = &ice_gstrings_priv_flags[i]; 1196 1197 if (flags & BIT(i)) 1198 set_bit(priv_flag->bitno, pf->flags); 1199 else 1200 clear_bit(priv_flag->bitno, pf->flags); 1201 } 1202 1203 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1204 1205 /* Do not allow change to link-down-on-close when Total Port Shutdown 1206 * is enabled. 1207 */ 1208 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1209 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1210 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1211 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1212 ret = -EINVAL; 1213 goto ethtool_exit; 1214 } 1215 1216 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1217 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1218 enum ice_status status; 1219 1220 /* Disable FW LLDP engine */ 1221 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1222 1223 /* If unregistering for LLDP events fails, this is 1224 * not an error state, as there shouldn't be any 1225 * events to respond to. 1226 */ 1227 if (status) 1228 dev_info(dev, "Failed to unreg for LLDP events\n"); 1229 1230 /* The AQ call to stop the FW LLDP agent will generate 1231 * an error if the agent is already stopped. 1232 */ 1233 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1234 if (status) 1235 dev_warn(dev, "Fail to stop LLDP agent\n"); 1236 /* Use case for having the FW LLDP agent stopped 1237 * will likely not need DCB, so failure to init is 1238 * not a concern of ethtool 1239 */ 1240 status = ice_init_pf_dcb(pf, true); 1241 if (status) 1242 dev_warn(dev, "Fail to init DCB\n"); 1243 1244 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1245 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1246 } else { 1247 enum ice_status status; 1248 bool dcbx_agent_status; 1249 1250 /* AQ command to start FW LLDP agent will return an 1251 * error if the agent is already started 1252 */ 1253 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1254 if (status) 1255 dev_warn(dev, "Fail to start LLDP Agent\n"); 1256 1257 /* AQ command to start FW DCBX agent will fail if 1258 * the agent is already started 1259 */ 1260 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1261 &dcbx_agent_status, 1262 NULL); 1263 if (status) 1264 dev_dbg(dev, "Failed to start FW DCBX\n"); 1265 1266 dev_info(dev, "FW DCBX agent is %s\n", 1267 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1268 1269 /* Failure to configure MIB change or init DCB is not 1270 * relevant to ethtool. Print notification that 1271 * registration/init failed but do not return error 1272 * state to ethtool 1273 */ 1274 status = ice_init_pf_dcb(pf, true); 1275 if (status) 1276 dev_dbg(dev, "Fail to init DCB\n"); 1277 1278 /* Remove rule to direct LLDP packets to default VSI. 1279 * The FW LLDP engine will now be consuming them. 1280 */ 1281 ice_cfg_sw_lldp(vsi, false, false); 1282 1283 /* Register for MIB change events */ 1284 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1285 if (status) 1286 dev_dbg(dev, "Fail to enable MIB change events\n"); 1287 1288 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1289 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1290 1291 ice_nway_reset(netdev); 1292 } 1293 } 1294 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1295 /* down and up VSI so that changes of Rx cfg are reflected. */ 1296 ice_down(vsi); 1297 ice_up(vsi); 1298 } 1299 /* don't allow modification of this flag when a single VF is in 1300 * promiscuous mode because it's not supported 1301 */ 1302 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1303 ice_is_any_vf_in_promisc(pf)) { 1304 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1305 /* toggle bit back to previous state */ 1306 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1307 ret = -EAGAIN; 1308 } 1309ethtool_exit: 1310 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1311 return ret; 1312} 1313 1314static int ice_get_sset_count(struct net_device *netdev, int sset) 1315{ 1316 switch (sset) { 1317 case ETH_SS_STATS: 1318 /* The number (and order) of strings reported *must* remain 1319 * constant for a given netdevice. This function must not 1320 * report a different number based on run time parameters 1321 * (such as the number of queues in use, or the setting of 1322 * a private ethtool flag). This is due to the nature of the 1323 * ethtool stats API. 1324 * 1325 * Userspace programs such as ethtool must make 3 separate 1326 * ioctl requests, one for size, one for the strings, and 1327 * finally one for the stats. Since these cross into 1328 * userspace, changes to the number or size could result in 1329 * undefined memory access or incorrect string<->value 1330 * correlations for statistics. 1331 * 1332 * Even if it appears to be safe, changes to the size or 1333 * order of strings will suffer from race conditions and are 1334 * not safe. 1335 */ 1336 return ICE_ALL_STATS_LEN(netdev); 1337 case ETH_SS_TEST: 1338 return ICE_TEST_LEN; 1339 case ETH_SS_PRIV_FLAGS: 1340 return ICE_PRIV_FLAG_ARRAY_SIZE; 1341 default: 1342 return -EOPNOTSUPP; 1343 } 1344} 1345 1346static void 1347ice_get_ethtool_stats(struct net_device *netdev, 1348 struct ethtool_stats __always_unused *stats, u64 *data) 1349{ 1350 struct ice_netdev_priv *np = netdev_priv(netdev); 1351 struct ice_vsi *vsi = np->vsi; 1352 struct ice_pf *pf = vsi->back; 1353 struct ice_ring *ring; 1354 unsigned int j; 1355 int i = 0; 1356 char *p; 1357 1358 ice_update_pf_stats(pf); 1359 ice_update_vsi_stats(vsi); 1360 1361 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1362 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1363 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1364 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1365 } 1366 1367 /* populate per queue stats */ 1368 rcu_read_lock(); 1369 1370 ice_for_each_alloc_txq(vsi, j) { 1371 ring = READ_ONCE(vsi->tx_rings[j]); 1372 if (ring) { 1373 data[i++] = ring->stats.pkts; 1374 data[i++] = ring->stats.bytes; 1375 } else { 1376 data[i++] = 0; 1377 data[i++] = 0; 1378 } 1379 } 1380 1381 ice_for_each_alloc_rxq(vsi, j) { 1382 ring = READ_ONCE(vsi->rx_rings[j]); 1383 if (ring) { 1384 data[i++] = ring->stats.pkts; 1385 data[i++] = ring->stats.bytes; 1386 } else { 1387 data[i++] = 0; 1388 data[i++] = 0; 1389 } 1390 } 1391 1392 rcu_read_unlock(); 1393 1394 if (vsi->type != ICE_VSI_PF) 1395 return; 1396 1397 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1398 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1399 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1400 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1401 } 1402 1403 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1404 data[i++] = pf->stats.priority_xon_tx[j]; 1405 data[i++] = pf->stats.priority_xoff_tx[j]; 1406 } 1407 1408 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1409 data[i++] = pf->stats.priority_xon_rx[j]; 1410 data[i++] = pf->stats.priority_xoff_rx[j]; 1411 } 1412} 1413 1414#define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1415 ICE_PHY_TYPE_LOW_100M_SGMII) 1416 1417#define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1418 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1419 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1420 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1421 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1422 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1423 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1424 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1425 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1426 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1427 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1428 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1429 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1430 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1431 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1432 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1433 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1434 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1435 1436#define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1437 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1438 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1439 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1440 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1441 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1442 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1443 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1444 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1445 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1446 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1447 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1448 ICE_PHY_TYPE_LOW_100GBASE_DR) 1449 1450#define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1451 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1452 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1453 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1454 ICE_PHY_TYPE_HIGH_100G_AUI2) 1455 1456/** 1457 * ice_mask_min_supported_speeds 1458 * @phy_types_high: PHY type high 1459 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1460 * 1461 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1462 * for ethtool supported link mode. 1463 */ 1464static 1465void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1466{ 1467 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1468 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1469 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1470 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1471 else 1472 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1473} 1474 1475#define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1476 do { \ 1477 if (req_speeds & (aq_link_speed) || \ 1478 (!req_speeds && \ 1479 (adv_phy_type_lo & phy_type_mask_lo || \ 1480 adv_phy_type_hi & phy_type_mask_hi))) \ 1481 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1482 ethtool_link_mode); \ 1483 } while (0) 1484 1485/** 1486 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1487 * @netdev: network interface device structure 1488 * @ks: ethtool link ksettings struct to fill out 1489 */ 1490static void 1491ice_phy_type_to_ethtool(struct net_device *netdev, 1492 struct ethtool_link_ksettings *ks) 1493{ 1494 struct ice_netdev_priv *np = netdev_priv(netdev); 1495 struct ice_vsi *vsi = np->vsi; 1496 struct ice_pf *pf = vsi->back; 1497 u64 phy_type_mask_lo = 0; 1498 u64 phy_type_mask_hi = 0; 1499 u64 adv_phy_type_lo = 0; 1500 u64 adv_phy_type_hi = 0; 1501 u64 phy_types_high = 0; 1502 u64 phy_types_low = 0; 1503 u16 req_speeds; 1504 1505 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1506 1507 /* Check if lenient mode is supported and enabled, or in strict mode. 1508 * 1509 * In lenient mode the Supported link modes are the PHY types without 1510 * media. The Advertising link mode is either 1. the user requested 1511 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1512 * 1513 * In strict mode Supported link mode are the PHY type with media, 1514 * and Advertising link modes are the media PHY type or the speed 1515 * requested by user. 1516 */ 1517 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1518 struct ice_link_default_override_tlv *ldo; 1519 1520 ldo = &pf->link_dflt_override; 1521 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1522 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1523 1524 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1525 1526 /* If override enabled and PHY mask set, then 1527 * Advertising link mode is the intersection of the PHY 1528 * types without media and the override PHY mask. 1529 */ 1530 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1531 (ldo->phy_type_low || ldo->phy_type_high)) { 1532 adv_phy_type_lo = 1533 le64_to_cpu(pf->nvm_phy_type_lo) & 1534 ldo->phy_type_low; 1535 adv_phy_type_hi = 1536 le64_to_cpu(pf->nvm_phy_type_hi) & 1537 ldo->phy_type_high; 1538 } 1539 } else { 1540 phy_types_low = vsi->port_info->phy.phy_type_low; 1541 phy_types_high = vsi->port_info->phy.phy_type_high; 1542 } 1543 1544 /* If Advertising link mode PHY type is not using override PHY type, 1545 * then use PHY type with media. 1546 */ 1547 if (!adv_phy_type_lo && !adv_phy_type_hi) { 1548 adv_phy_type_lo = vsi->port_info->phy.phy_type_low; 1549 adv_phy_type_hi = vsi->port_info->phy.phy_type_high; 1550 } 1551 1552 ethtool_link_ksettings_zero_link_mode(ks, supported); 1553 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1554 1555 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1556 ICE_PHY_TYPE_LOW_100M_SGMII; 1557 if (phy_types_low & phy_type_mask_lo) { 1558 ethtool_link_ksettings_add_link_mode(ks, supported, 1559 100baseT_Full); 1560 1561 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1562 100baseT_Full); 1563 } 1564 1565 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1566 ICE_PHY_TYPE_LOW_1G_SGMII; 1567 if (phy_types_low & phy_type_mask_lo) { 1568 ethtool_link_ksettings_add_link_mode(ks, supported, 1569 1000baseT_Full); 1570 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1571 1000baseT_Full); 1572 } 1573 1574 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1575 if (phy_types_low & phy_type_mask_lo) { 1576 ethtool_link_ksettings_add_link_mode(ks, supported, 1577 1000baseKX_Full); 1578 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1579 1000baseKX_Full); 1580 } 1581 1582 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1583 ICE_PHY_TYPE_LOW_1000BASE_LX; 1584 if (phy_types_low & phy_type_mask_lo) { 1585 ethtool_link_ksettings_add_link_mode(ks, supported, 1586 1000baseX_Full); 1587 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1588 1000baseX_Full); 1589 } 1590 1591 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1592 if (phy_types_low & phy_type_mask_lo) { 1593 ethtool_link_ksettings_add_link_mode(ks, supported, 1594 2500baseT_Full); 1595 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1596 2500baseT_Full); 1597 } 1598 1599 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1600 ICE_PHY_TYPE_LOW_2500BASE_KX; 1601 if (phy_types_low & phy_type_mask_lo) { 1602 ethtool_link_ksettings_add_link_mode(ks, supported, 1603 2500baseX_Full); 1604 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1605 2500baseX_Full); 1606 } 1607 1608 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1609 ICE_PHY_TYPE_LOW_5GBASE_KR; 1610 if (phy_types_low & phy_type_mask_lo) { 1611 ethtool_link_ksettings_add_link_mode(ks, supported, 1612 5000baseT_Full); 1613 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1614 5000baseT_Full); 1615 } 1616 1617 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1618 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1619 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1620 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1621 if (phy_types_low & phy_type_mask_lo) { 1622 ethtool_link_ksettings_add_link_mode(ks, supported, 1623 10000baseT_Full); 1624 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1625 10000baseT_Full); 1626 } 1627 1628 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1629 if (phy_types_low & phy_type_mask_lo) { 1630 ethtool_link_ksettings_add_link_mode(ks, supported, 1631 10000baseKR_Full); 1632 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1633 10000baseKR_Full); 1634 } 1635 1636 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1637 if (phy_types_low & phy_type_mask_lo) { 1638 ethtool_link_ksettings_add_link_mode(ks, supported, 1639 10000baseSR_Full); 1640 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1641 10000baseSR_Full); 1642 } 1643 1644 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1645 if (phy_types_low & phy_type_mask_lo) { 1646 ethtool_link_ksettings_add_link_mode(ks, supported, 1647 10000baseLR_Full); 1648 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1649 10000baseLR_Full); 1650 } 1651 1652 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1653 ICE_PHY_TYPE_LOW_25GBASE_CR | 1654 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1655 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1656 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1657 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1658 if (phy_types_low & phy_type_mask_lo) { 1659 ethtool_link_ksettings_add_link_mode(ks, supported, 1660 25000baseCR_Full); 1661 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1662 25000baseCR_Full); 1663 } 1664 1665 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1666 ICE_PHY_TYPE_LOW_25GBASE_LR; 1667 if (phy_types_low & phy_type_mask_lo) { 1668 ethtool_link_ksettings_add_link_mode(ks, supported, 1669 25000baseSR_Full); 1670 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1671 25000baseSR_Full); 1672 } 1673 1674 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1675 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1676 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1677 if (phy_types_low & phy_type_mask_lo) { 1678 ethtool_link_ksettings_add_link_mode(ks, supported, 1679 25000baseKR_Full); 1680 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1681 25000baseKR_Full); 1682 } 1683 1684 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1685 if (phy_types_low & phy_type_mask_lo) { 1686 ethtool_link_ksettings_add_link_mode(ks, supported, 1687 40000baseKR4_Full); 1688 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1689 40000baseKR4_Full); 1690 } 1691 1692 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1693 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1694 ICE_PHY_TYPE_LOW_40G_XLAUI; 1695 if (phy_types_low & phy_type_mask_lo) { 1696 ethtool_link_ksettings_add_link_mode(ks, supported, 1697 40000baseCR4_Full); 1698 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1699 40000baseCR4_Full); 1700 } 1701 1702 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1703 if (phy_types_low & phy_type_mask_lo) { 1704 ethtool_link_ksettings_add_link_mode(ks, supported, 1705 40000baseSR4_Full); 1706 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1707 40000baseSR4_Full); 1708 } 1709 1710 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1711 if (phy_types_low & phy_type_mask_lo) { 1712 ethtool_link_ksettings_add_link_mode(ks, supported, 1713 40000baseLR4_Full); 1714 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1715 40000baseLR4_Full); 1716 } 1717 1718 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1719 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1720 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1721 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1722 ICE_PHY_TYPE_LOW_50G_AUI2 | 1723 ICE_PHY_TYPE_LOW_50GBASE_CP | 1724 ICE_PHY_TYPE_LOW_50GBASE_SR | 1725 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1726 ICE_PHY_TYPE_LOW_50G_AUI1; 1727 if (phy_types_low & phy_type_mask_lo) { 1728 ethtool_link_ksettings_add_link_mode(ks, supported, 1729 50000baseCR2_Full); 1730 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1731 50000baseCR2_Full); 1732 } 1733 1734 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1735 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1736 if (phy_types_low & phy_type_mask_lo) { 1737 ethtool_link_ksettings_add_link_mode(ks, supported, 1738 50000baseKR2_Full); 1739 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1740 50000baseKR2_Full); 1741 } 1742 1743 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1744 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1745 ICE_PHY_TYPE_LOW_50GBASE_FR | 1746 ICE_PHY_TYPE_LOW_50GBASE_LR; 1747 if (phy_types_low & phy_type_mask_lo) { 1748 ethtool_link_ksettings_add_link_mode(ks, supported, 1749 50000baseSR2_Full); 1750 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1751 50000baseSR2_Full); 1752 } 1753 1754 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1755 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1756 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1757 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1758 ICE_PHY_TYPE_LOW_100G_AUI4 | 1759 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1760 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1761 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1762 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1763 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1764 ICE_PHY_TYPE_HIGH_100G_AUI2; 1765 if (phy_types_low & phy_type_mask_lo || 1766 phy_types_high & phy_type_mask_hi) { 1767 ethtool_link_ksettings_add_link_mode(ks, supported, 1768 100000baseCR4_Full); 1769 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1770 100000baseCR4_Full); 1771 } 1772 1773 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1774 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1775 if (phy_types_low & phy_type_mask_lo) { 1776 ethtool_link_ksettings_add_link_mode(ks, supported, 1777 100000baseSR4_Full); 1778 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1779 100000baseSR4_Full); 1780 } 1781 1782 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1783 ICE_PHY_TYPE_LOW_100GBASE_DR; 1784 if (phy_types_low & phy_type_mask_lo) { 1785 ethtool_link_ksettings_add_link_mode(ks, supported, 1786 100000baseLR4_ER4_Full); 1787 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1788 100000baseLR4_ER4_Full); 1789 } 1790 1791 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1792 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1793 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1794 if (phy_types_low & phy_type_mask_lo || 1795 phy_types_high & phy_type_mask_hi) { 1796 ethtool_link_ksettings_add_link_mode(ks, supported, 1797 100000baseKR4_Full); 1798 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1799 100000baseKR4_Full); 1800 } 1801} 1802 1803#define TEST_SET_BITS_TIMEOUT 50 1804#define TEST_SET_BITS_SLEEP_MAX 2000 1805#define TEST_SET_BITS_SLEEP_MIN 1000 1806 1807/** 1808 * ice_get_settings_link_up - Get Link settings for when link is up 1809 * @ks: ethtool ksettings to fill in 1810 * @netdev: network interface device structure 1811 */ 1812static void 1813ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1814 struct net_device *netdev) 1815{ 1816 struct ice_netdev_priv *np = netdev_priv(netdev); 1817 struct ice_port_info *pi = np->vsi->port_info; 1818 struct ice_link_status *link_info; 1819 struct ice_vsi *vsi = np->vsi; 1820 1821 link_info = &vsi->port_info->phy.link_info; 1822 1823 /* Get supported and advertised settings from PHY ability with media */ 1824 ice_phy_type_to_ethtool(netdev, ks); 1825 1826 switch (link_info->link_speed) { 1827 case ICE_AQ_LINK_SPEED_100GB: 1828 ks->base.speed = SPEED_100000; 1829 break; 1830 case ICE_AQ_LINK_SPEED_50GB: 1831 ks->base.speed = SPEED_50000; 1832 break; 1833 case ICE_AQ_LINK_SPEED_40GB: 1834 ks->base.speed = SPEED_40000; 1835 break; 1836 case ICE_AQ_LINK_SPEED_25GB: 1837 ks->base.speed = SPEED_25000; 1838 break; 1839 case ICE_AQ_LINK_SPEED_20GB: 1840 ks->base.speed = SPEED_20000; 1841 break; 1842 case ICE_AQ_LINK_SPEED_10GB: 1843 ks->base.speed = SPEED_10000; 1844 break; 1845 case ICE_AQ_LINK_SPEED_5GB: 1846 ks->base.speed = SPEED_5000; 1847 break; 1848 case ICE_AQ_LINK_SPEED_2500MB: 1849 ks->base.speed = SPEED_2500; 1850 break; 1851 case ICE_AQ_LINK_SPEED_1000MB: 1852 ks->base.speed = SPEED_1000; 1853 break; 1854 case ICE_AQ_LINK_SPEED_100MB: 1855 ks->base.speed = SPEED_100; 1856 break; 1857 default: 1858 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1859 link_info->link_speed); 1860 break; 1861 } 1862 ks->base.duplex = DUPLEX_FULL; 1863 1864 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1865 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1866 Autoneg); 1867 1868 /* Set flow control negotiated Rx/Tx pause */ 1869 switch (pi->fc.current_mode) { 1870 case ICE_FC_FULL: 1871 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1872 break; 1873 case ICE_FC_TX_PAUSE: 1874 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1875 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1876 Asym_Pause); 1877 break; 1878 case ICE_FC_RX_PAUSE: 1879 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1880 Asym_Pause); 1881 break; 1882 case ICE_FC_PFC: 1883 default: 1884 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1885 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1886 Asym_Pause); 1887 break; 1888 } 1889} 1890 1891/** 1892 * ice_get_settings_link_down - Get the Link settings when link is down 1893 * @ks: ethtool ksettings to fill in 1894 * @netdev: network interface device structure 1895 * 1896 * Reports link settings that can be determined when link is down 1897 */ 1898static void 1899ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1900 struct net_device *netdev) 1901{ 1902 /* link is down and the driver needs to fall back on 1903 * supported PHY types to figure out what info to display 1904 */ 1905 ice_phy_type_to_ethtool(netdev, ks); 1906 1907 /* With no link, speed and duplex are unknown */ 1908 ks->base.speed = SPEED_UNKNOWN; 1909 ks->base.duplex = DUPLEX_UNKNOWN; 1910} 1911 1912/** 1913 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1914 * @netdev: network interface device structure 1915 * @ks: ethtool ksettings 1916 * 1917 * Reports speed/duplex settings based on media_type 1918 */ 1919static int 1920ice_get_link_ksettings(struct net_device *netdev, 1921 struct ethtool_link_ksettings *ks) 1922{ 1923 struct ice_netdev_priv *np = netdev_priv(netdev); 1924 struct ice_aqc_get_phy_caps_data *caps; 1925 struct ice_link_status *hw_link_info; 1926 struct ice_vsi *vsi = np->vsi; 1927 enum ice_status status; 1928 int err = 0; 1929 1930 ethtool_link_ksettings_zero_link_mode(ks, supported); 1931 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1932 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1933 hw_link_info = &vsi->port_info->phy.link_info; 1934 1935 /* set speed and duplex */ 1936 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1937 ice_get_settings_link_up(ks, netdev); 1938 else 1939 ice_get_settings_link_down(ks, netdev); 1940 1941 /* set autoneg settings */ 1942 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1943 AUTONEG_ENABLE : AUTONEG_DISABLE; 1944 1945 /* set media type settings */ 1946 switch (vsi->port_info->phy.media_type) { 1947 case ICE_MEDIA_FIBER: 1948 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1949 ks->base.port = PORT_FIBRE; 1950 break; 1951 case ICE_MEDIA_BASET: 1952 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1953 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1954 ks->base.port = PORT_TP; 1955 break; 1956 case ICE_MEDIA_BACKPLANE: 1957 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1958 ethtool_link_ksettings_add_link_mode(ks, advertising, 1959 Backplane); 1960 ks->base.port = PORT_NONE; 1961 break; 1962 case ICE_MEDIA_DA: 1963 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1964 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1965 ks->base.port = PORT_DA; 1966 break; 1967 default: 1968 ks->base.port = PORT_OTHER; 1969 break; 1970 } 1971 1972 /* flow control is symmetric and always supported */ 1973 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1974 1975 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1976 if (!caps) 1977 return -ENOMEM; 1978 1979 status = ice_aq_get_phy_caps(vsi->port_info, false, 1980 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 1981 if (status) { 1982 err = -EIO; 1983 goto done; 1984 } 1985 1986 /* Set the advertised flow control based on the PHY capability */ 1987 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 1988 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 1989 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 1990 ethtool_link_ksettings_add_link_mode(ks, advertising, 1991 Asym_Pause); 1992 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 1993 ethtool_link_ksettings_add_link_mode(ks, advertising, 1994 Asym_Pause); 1995 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 1996 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 1997 ethtool_link_ksettings_add_link_mode(ks, advertising, 1998 Asym_Pause); 1999 } else { 2000 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2001 ethtool_link_ksettings_del_link_mode(ks, advertising, 2002 Asym_Pause); 2003 } 2004 2005 /* Set advertised FEC modes based on PHY capability */ 2006 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2007 2008 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2009 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2010 ethtool_link_ksettings_add_link_mode(ks, advertising, 2011 FEC_BASER); 2012 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2013 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2014 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2015 2016 status = ice_aq_get_phy_caps(vsi->port_info, false, 2017 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 2018 if (status) { 2019 err = -EIO; 2020 goto done; 2021 } 2022 2023 /* Set supported FEC modes based on PHY capability */ 2024 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2025 2026 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2027 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2028 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2029 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2030 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2031 2032 /* Set supported and advertised autoneg */ 2033 if (ice_is_phy_caps_an_enabled(caps)) { 2034 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2035 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2036 } 2037 2038done: 2039 kfree(caps); 2040 return err; 2041} 2042 2043/** 2044 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2045 * @ks: ethtool ksettings 2046 */ 2047static u16 2048ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2049{ 2050 u16 adv_link_speed = 0; 2051 2052 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2053 100baseT_Full)) 2054 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2055 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2056 1000baseX_Full)) 2057 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2058 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2059 1000baseT_Full) || 2060 ethtool_link_ksettings_test_link_mode(ks, advertising, 2061 1000baseKX_Full)) 2062 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2063 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2064 2500baseT_Full)) 2065 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2066 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2067 2500baseX_Full)) 2068 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2069 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2070 5000baseT_Full)) 2071 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2072 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2073 10000baseT_Full) || 2074 ethtool_link_ksettings_test_link_mode(ks, advertising, 2075 10000baseKR_Full)) 2076 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2077 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2078 10000baseSR_Full) || 2079 ethtool_link_ksettings_test_link_mode(ks, advertising, 2080 10000baseLR_Full)) 2081 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2082 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2083 25000baseCR_Full) || 2084 ethtool_link_ksettings_test_link_mode(ks, advertising, 2085 25000baseSR_Full) || 2086 ethtool_link_ksettings_test_link_mode(ks, advertising, 2087 25000baseKR_Full)) 2088 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2089 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2090 40000baseCR4_Full) || 2091 ethtool_link_ksettings_test_link_mode(ks, advertising, 2092 40000baseSR4_Full) || 2093 ethtool_link_ksettings_test_link_mode(ks, advertising, 2094 40000baseLR4_Full) || 2095 ethtool_link_ksettings_test_link_mode(ks, advertising, 2096 40000baseKR4_Full)) 2097 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2098 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2099 50000baseCR2_Full) || 2100 ethtool_link_ksettings_test_link_mode(ks, advertising, 2101 50000baseKR2_Full)) 2102 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2103 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2104 50000baseSR2_Full)) 2105 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2106 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2107 100000baseCR4_Full) || 2108 ethtool_link_ksettings_test_link_mode(ks, advertising, 2109 100000baseSR4_Full) || 2110 ethtool_link_ksettings_test_link_mode(ks, advertising, 2111 100000baseLR4_ER4_Full) || 2112 ethtool_link_ksettings_test_link_mode(ks, advertising, 2113 100000baseKR4_Full)) 2114 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2115 2116 return adv_link_speed; 2117} 2118 2119/** 2120 * ice_setup_autoneg 2121 * @p: port info 2122 * @ks: ethtool_link_ksettings 2123 * @config: configuration that will be sent down to FW 2124 * @autoneg_enabled: autonegotiation is enabled or not 2125 * @autoneg_changed: will there a change in autonegotiation 2126 * @netdev: network interface device structure 2127 * 2128 * Setup PHY autonegotiation feature 2129 */ 2130static int 2131ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2132 struct ice_aqc_set_phy_cfg_data *config, 2133 u8 autoneg_enabled, u8 *autoneg_changed, 2134 struct net_device *netdev) 2135{ 2136 int err = 0; 2137 2138 *autoneg_changed = 0; 2139 2140 /* Check autoneg */ 2141 if (autoneg_enabled == AUTONEG_ENABLE) { 2142 /* If autoneg was not already enabled */ 2143 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2144 /* If autoneg is not supported, return error */ 2145 if (!ethtool_link_ksettings_test_link_mode(ks, 2146 supported, 2147 Autoneg)) { 2148 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2149 err = -EINVAL; 2150 } else { 2151 /* Autoneg is allowed to change */ 2152 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2153 *autoneg_changed = 1; 2154 } 2155 } 2156 } else { 2157 /* If autoneg is currently enabled */ 2158 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2159 /* If autoneg is supported 10GBASE_T is the only PHY 2160 * that can disable it, so otherwise return error 2161 */ 2162 if (ethtool_link_ksettings_test_link_mode(ks, 2163 supported, 2164 Autoneg)) { 2165 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2166 err = -EINVAL; 2167 } else { 2168 /* Autoneg is allowed to change */ 2169 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2170 *autoneg_changed = 1; 2171 } 2172 } 2173 } 2174 2175 return err; 2176} 2177 2178/** 2179 * ice_set_phy_type_from_speed - set phy_types based on speeds 2180 * and advertised modes 2181 * @ks: ethtool link ksettings struct 2182 * @phy_type_low: pointer to the lower part of phy_type 2183 * @phy_type_high: pointer to the higher part of phy_type 2184 * @adv_link_speed: targeted link speeds bitmap 2185 */ 2186static void 2187ice_set_phy_type_from_speed(const struct ethtool_link_ksettings *ks, 2188 u64 *phy_type_low, u64 *phy_type_high, 2189 u16 adv_link_speed) 2190{ 2191 /* Handle 1000M speed in a special way because ice_update_phy_type 2192 * enables all link modes, but having mixed copper and optical 2193 * standards is not supported. 2194 */ 2195 adv_link_speed &= ~ICE_AQ_LINK_SPEED_1000MB; 2196 2197 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2198 1000baseT_Full)) 2199 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_T | 2200 ICE_PHY_TYPE_LOW_1G_SGMII; 2201 2202 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2203 1000baseKX_Full)) 2204 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_KX; 2205 2206 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2207 1000baseX_Full)) 2208 *phy_type_low |= ICE_PHY_TYPE_LOW_1000BASE_SX | 2209 ICE_PHY_TYPE_LOW_1000BASE_LX; 2210 2211 ice_update_phy_type(phy_type_low, phy_type_high, adv_link_speed); 2212} 2213 2214/** 2215 * ice_set_link_ksettings - Set Speed and Duplex 2216 * @netdev: network interface device structure 2217 * @ks: ethtool ksettings 2218 * 2219 * Set speed/duplex per media_types advertised/forced 2220 */ 2221static int 2222ice_set_link_ksettings(struct net_device *netdev, 2223 const struct ethtool_link_ksettings *ks) 2224{ 2225 struct ice_netdev_priv *np = netdev_priv(netdev); 2226 struct ethtool_link_ksettings safe_ks, copy_ks; 2227 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2228 struct ice_aqc_get_phy_caps_data *phy_caps; 2229 struct ice_aqc_set_phy_cfg_data config; 2230 u16 adv_link_speed, curr_link_speed; 2231 struct ice_pf *pf = np->vsi->back; 2232 struct ice_port_info *pi; 2233 u8 autoneg_changed = 0; 2234 enum ice_status status; 2235 u64 phy_type_high = 0; 2236 u64 phy_type_low = 0; 2237 int err = 0; 2238 bool linkup; 2239 2240 pi = np->vsi->port_info; 2241 2242 if (!pi) 2243 return -EOPNOTSUPP; 2244 2245 if (pi->phy.media_type != ICE_MEDIA_BASET && 2246 pi->phy.media_type != ICE_MEDIA_FIBER && 2247 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2248 pi->phy.media_type != ICE_MEDIA_DA && 2249 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2250 return -EOPNOTSUPP; 2251 2252 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2253 if (!phy_caps) 2254 return -ENOMEM; 2255 2256 /* Get the PHY capabilities based on media */ 2257 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2258 phy_caps, NULL); 2259 if (status) { 2260 err = -EAGAIN; 2261 goto done; 2262 } 2263 2264 /* copy the ksettings to copy_ks to avoid modifying the original */ 2265 memcpy(©_ks, ks, sizeof(copy_ks)); 2266 2267 /* save autoneg out of ksettings */ 2268 autoneg = copy_ks.base.autoneg; 2269 2270 memset(&safe_ks, 0, sizeof(safe_ks)); 2271 2272 /* Get link modes supported by hardware.*/ 2273 ice_phy_type_to_ethtool(netdev, &safe_ks); 2274 2275 /* and check against modes requested by user. 2276 * Return an error if unsupported mode was set. 2277 */ 2278 if (!bitmap_subset(copy_ks.link_modes.advertising, 2279 safe_ks.link_modes.supported, 2280 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2281 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2282 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2283 err = -EINVAL; 2284 goto done; 2285 } 2286 2287 /* get our own copy of the bits to check against */ 2288 memset(&safe_ks, 0, sizeof(safe_ks)); 2289 safe_ks.base.cmd = copy_ks.base.cmd; 2290 safe_ks.base.link_mode_masks_nwords = 2291 copy_ks.base.link_mode_masks_nwords; 2292 ice_get_link_ksettings(netdev, &safe_ks); 2293 2294 /* set autoneg back to what it currently is */ 2295 copy_ks.base.autoneg = safe_ks.base.autoneg; 2296 /* we don't compare the speed */ 2297 copy_ks.base.speed = safe_ks.base.speed; 2298 2299 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2300 * trying to set something that we do not support. 2301 */ 2302 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2303 err = -EOPNOTSUPP; 2304 goto done; 2305 } 2306 2307 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2308 timeout--; 2309 if (!timeout) { 2310 err = -EBUSY; 2311 goto done; 2312 } 2313 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2314 } 2315 2316 /* Copy the current user PHY configuration. The current user PHY 2317 * configuration is initialized during probe from PHY capabilities 2318 * software mode, and updated on set PHY configuration. 2319 */ 2320 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 2321 2322 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2323 2324 /* Check autoneg */ 2325 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2326 netdev); 2327 2328 if (err) 2329 goto done; 2330 2331 /* Call to get the current link speed */ 2332 pi->phy.get_link_info = true; 2333 status = ice_get_link_status(pi, &linkup); 2334 if (status) { 2335 err = -EAGAIN; 2336 goto done; 2337 } 2338 2339 curr_link_speed = pi->phy.curr_user_speed_req; 2340 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2341 2342 /* If speed didn't get set, set it to what it currently is. 2343 * This is needed because if advertise is 0 (as it is when autoneg 2344 * is disabled) then speed won't get set. 2345 */ 2346 if (!adv_link_speed) 2347 adv_link_speed = curr_link_speed; 2348 2349 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2350 ice_set_phy_type_from_speed(ks, &phy_type_low, &phy_type_high, 2351 adv_link_speed); 2352 2353 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2354 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2355 goto done; 2356 } 2357 2358 /* save the requested speeds */ 2359 pi->phy.link_info.req_speeds = adv_link_speed; 2360 2361 /* set link and auto negotiation so changes take effect */ 2362 config.caps |= ICE_AQ_PHY_ENA_LINK; 2363 2364 /* check if there is a PHY type for the requested advertised speed */ 2365 if (!(phy_type_low || phy_type_high)) { 2366 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2367 err = -EAGAIN; 2368 goto done; 2369 } 2370 2371 /* intersect requested advertised speed PHY types with media PHY types 2372 * for set PHY configuration 2373 */ 2374 config.phy_type_high = cpu_to_le64(phy_type_high) & 2375 phy_caps->phy_type_high; 2376 config.phy_type_low = cpu_to_le64(phy_type_low) & 2377 phy_caps->phy_type_low; 2378 2379 if (!(config.phy_type_high || config.phy_type_low)) { 2380 /* If there is no intersection and lenient mode is enabled, then 2381 * intersect the requested advertised speed with NVM media type 2382 * PHY types. 2383 */ 2384 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2385 config.phy_type_high = cpu_to_le64(phy_type_high) & 2386 pf->nvm_phy_type_hi; 2387 config.phy_type_low = cpu_to_le64(phy_type_low) & 2388 pf->nvm_phy_type_lo; 2389 } else { 2390 netdev_info(netdev, "The selected speed is not supported by the current media. Please select a link speed that is supported by the current media.\n"); 2391 err = -EAGAIN; 2392 goto done; 2393 } 2394 } 2395 2396 /* If link is up put link down */ 2397 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2398 /* Tell the OS link is going down, the link will go 2399 * back up when fw says it is ready asynchronously 2400 */ 2401 ice_print_link_msg(np->vsi, false); 2402 netif_carrier_off(netdev); 2403 netif_tx_stop_all_queues(netdev); 2404 } 2405 2406 /* make the aq call */ 2407 status = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2408 if (status) { 2409 netdev_info(netdev, "Set phy config failed,\n"); 2410 err = -EAGAIN; 2411 goto done; 2412 } 2413 2414 /* Save speed request */ 2415 pi->phy.curr_user_speed_req = adv_link_speed; 2416done: 2417 kfree(phy_caps); 2418 clear_bit(__ICE_CFG_BUSY, pf->state); 2419 2420 return err; 2421} 2422 2423/** 2424 * ice_parse_hdrs - parses headers from RSS hash input 2425 * @nfc: ethtool rxnfc command 2426 * 2427 * This function parses the rxnfc command and returns intended 2428 * header types for RSS configuration 2429 */ 2430static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2431{ 2432 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2433 2434 switch (nfc->flow_type) { 2435 case TCP_V4_FLOW: 2436 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2437 break; 2438 case UDP_V4_FLOW: 2439 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2440 break; 2441 case SCTP_V4_FLOW: 2442 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2443 break; 2444 case TCP_V6_FLOW: 2445 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2446 break; 2447 case UDP_V6_FLOW: 2448 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2449 break; 2450 case SCTP_V6_FLOW: 2451 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2452 break; 2453 default: 2454 break; 2455 } 2456 return hdrs; 2457} 2458 2459#define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2460#define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2461#define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2462#define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2463#define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2464#define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2465#define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2466#define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2467#define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2468 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2469#define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2470 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2471 2472/** 2473 * ice_parse_hash_flds - parses hash fields from RSS hash input 2474 * @nfc: ethtool rxnfc command 2475 * 2476 * This function parses the rxnfc command and returns intended 2477 * hash fields for RSS configuration 2478 */ 2479static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2480{ 2481 u64 hfld = ICE_HASH_INVALID; 2482 2483 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2484 switch (nfc->flow_type) { 2485 case TCP_V4_FLOW: 2486 case UDP_V4_FLOW: 2487 case SCTP_V4_FLOW: 2488 if (nfc->data & RXH_IP_SRC) 2489 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2490 if (nfc->data & RXH_IP_DST) 2491 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2492 break; 2493 case TCP_V6_FLOW: 2494 case UDP_V6_FLOW: 2495 case SCTP_V6_FLOW: 2496 if (nfc->data & RXH_IP_SRC) 2497 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2498 if (nfc->data & RXH_IP_DST) 2499 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2500 break; 2501 default: 2502 break; 2503 } 2504 } 2505 2506 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2507 switch (nfc->flow_type) { 2508 case TCP_V4_FLOW: 2509 case TCP_V6_FLOW: 2510 if (nfc->data & RXH_L4_B_0_1) 2511 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2512 if (nfc->data & RXH_L4_B_2_3) 2513 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2514 break; 2515 case UDP_V4_FLOW: 2516 case UDP_V6_FLOW: 2517 if (nfc->data & RXH_L4_B_0_1) 2518 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2519 if (nfc->data & RXH_L4_B_2_3) 2520 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2521 break; 2522 case SCTP_V4_FLOW: 2523 case SCTP_V6_FLOW: 2524 if (nfc->data & RXH_L4_B_0_1) 2525 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2526 if (nfc->data & RXH_L4_B_2_3) 2527 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2528 break; 2529 default: 2530 break; 2531 } 2532 } 2533 2534 return hfld; 2535} 2536 2537/** 2538 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2539 * @vsi: the VSI being configured 2540 * @nfc: ethtool rxnfc command 2541 * 2542 * Returns Success if the flow input set is supported. 2543 */ 2544static int 2545ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2546{ 2547 struct ice_pf *pf = vsi->back; 2548 enum ice_status status; 2549 struct device *dev; 2550 u64 hashed_flds; 2551 u32 hdrs; 2552 2553 dev = ice_pf_to_dev(pf); 2554 if (ice_is_safe_mode(pf)) { 2555 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2556 vsi->vsi_num); 2557 return -EINVAL; 2558 } 2559 2560 hashed_flds = ice_parse_hash_flds(nfc); 2561 if (hashed_flds == ICE_HASH_INVALID) { 2562 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2563 vsi->vsi_num); 2564 return -EINVAL; 2565 } 2566 2567 hdrs = ice_parse_hdrs(nfc); 2568 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2569 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2570 vsi->vsi_num); 2571 return -EINVAL; 2572 } 2573 2574 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2575 if (status) { 2576 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2577 vsi->vsi_num, ice_stat_str(status)); 2578 return -EINVAL; 2579 } 2580 2581 return 0; 2582} 2583 2584/** 2585 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2586 * @vsi: the VSI being configured 2587 * @nfc: ethtool rxnfc command 2588 */ 2589static void 2590ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2591{ 2592 struct ice_pf *pf = vsi->back; 2593 struct device *dev; 2594 u64 hash_flds; 2595 u32 hdrs; 2596 2597 dev = ice_pf_to_dev(pf); 2598 2599 nfc->data = 0; 2600 if (ice_is_safe_mode(pf)) { 2601 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2602 vsi->vsi_num); 2603 return; 2604 } 2605 2606 hdrs = ice_parse_hdrs(nfc); 2607 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2608 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2609 vsi->vsi_num); 2610 return; 2611 } 2612 2613 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2614 if (hash_flds == ICE_HASH_INVALID) { 2615 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2616 vsi->vsi_num); 2617 return; 2618 } 2619 2620 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2621 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2622 nfc->data |= (u64)RXH_IP_SRC; 2623 2624 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2625 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2626 nfc->data |= (u64)RXH_IP_DST; 2627 2628 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2629 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2630 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2631 nfc->data |= (u64)RXH_L4_B_0_1; 2632 2633 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2634 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2635 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2636 nfc->data |= (u64)RXH_L4_B_2_3; 2637} 2638 2639/** 2640 * ice_set_rxnfc - command to set Rx flow rules. 2641 * @netdev: network interface device structure 2642 * @cmd: ethtool rxnfc command 2643 * 2644 * Returns 0 for success and negative values for errors 2645 */ 2646static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2647{ 2648 struct ice_netdev_priv *np = netdev_priv(netdev); 2649 struct ice_vsi *vsi = np->vsi; 2650 2651 switch (cmd->cmd) { 2652 case ETHTOOL_SRXCLSRLINS: 2653 return ice_add_fdir_ethtool(vsi, cmd); 2654 case ETHTOOL_SRXCLSRLDEL: 2655 return ice_del_fdir_ethtool(vsi, cmd); 2656 case ETHTOOL_SRXFH: 2657 return ice_set_rss_hash_opt(vsi, cmd); 2658 default: 2659 break; 2660 } 2661 return -EOPNOTSUPP; 2662} 2663 2664/** 2665 * ice_get_rxnfc - command to get Rx flow classification rules 2666 * @netdev: network interface device structure 2667 * @cmd: ethtool rxnfc command 2668 * @rule_locs: buffer to rturn Rx flow classification rules 2669 * 2670 * Returns Success if the command is supported. 2671 */ 2672static int 2673ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2674 u32 __always_unused *rule_locs) 2675{ 2676 struct ice_netdev_priv *np = netdev_priv(netdev); 2677 struct ice_vsi *vsi = np->vsi; 2678 int ret = -EOPNOTSUPP; 2679 struct ice_hw *hw; 2680 2681 hw = &vsi->back->hw; 2682 2683 switch (cmd->cmd) { 2684 case ETHTOOL_GRXRINGS: 2685 cmd->data = vsi->rss_size; 2686 ret = 0; 2687 break; 2688 case ETHTOOL_GRXCLSRLCNT: 2689 cmd->rule_cnt = hw->fdir_active_fltr; 2690 /* report total rule count */ 2691 cmd->data = ice_get_fdir_cnt_all(hw); 2692 ret = 0; 2693 break; 2694 case ETHTOOL_GRXCLSRULE: 2695 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2696 break; 2697 case ETHTOOL_GRXCLSRLALL: 2698 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2699 break; 2700 case ETHTOOL_GRXFH: 2701 ice_get_rss_hash_opt(vsi, cmd); 2702 ret = 0; 2703 break; 2704 default: 2705 break; 2706 } 2707 2708 return ret; 2709} 2710 2711static void 2712ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2713{ 2714 struct ice_netdev_priv *np = netdev_priv(netdev); 2715 struct ice_vsi *vsi = np->vsi; 2716 2717 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2718 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2719 ring->rx_pending = vsi->rx_rings[0]->count; 2720 ring->tx_pending = vsi->tx_rings[0]->count; 2721 2722 /* Rx mini and jumbo rings are not supported */ 2723 ring->rx_mini_max_pending = 0; 2724 ring->rx_jumbo_max_pending = 0; 2725 ring->rx_mini_pending = 0; 2726 ring->rx_jumbo_pending = 0; 2727} 2728 2729static int 2730ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2731{ 2732 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2733 struct ice_netdev_priv *np = netdev_priv(netdev); 2734 struct ice_ring *xdp_rings = NULL; 2735 struct ice_vsi *vsi = np->vsi; 2736 struct ice_pf *pf = vsi->back; 2737 int i, timeout = 50, err = 0; 2738 u16 new_rx_cnt, new_tx_cnt; 2739 2740 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2741 ring->tx_pending < ICE_MIN_NUM_DESC || 2742 ring->rx_pending > ICE_MAX_NUM_DESC || 2743 ring->rx_pending < ICE_MIN_NUM_DESC) { 2744 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2745 ring->tx_pending, ring->rx_pending, 2746 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2747 ICE_REQ_DESC_MULTIPLE); 2748 return -EINVAL; 2749 } 2750 2751 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2752 if (new_tx_cnt != ring->tx_pending) 2753 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2754 new_tx_cnt); 2755 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2756 if (new_rx_cnt != ring->rx_pending) 2757 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2758 new_rx_cnt); 2759 2760 /* if nothing to do return success */ 2761 if (new_tx_cnt == vsi->tx_rings[0]->count && 2762 new_rx_cnt == vsi->rx_rings[0]->count) { 2763 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2764 return 0; 2765 } 2766 2767 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2768 * disallow changing the number of descriptors -- regardless 2769 * if the netdev is running or not. 2770 */ 2771 if (ice_xsk_any_rx_ring_ena(vsi)) 2772 return -EBUSY; 2773 2774 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2775 timeout--; 2776 if (!timeout) 2777 return -EBUSY; 2778 usleep_range(1000, 2000); 2779 } 2780 2781 /* set for the next time the netdev is started */ 2782 if (!netif_running(vsi->netdev)) { 2783 for (i = 0; i < vsi->alloc_txq; i++) 2784 vsi->tx_rings[i]->count = new_tx_cnt; 2785 for (i = 0; i < vsi->alloc_rxq; i++) 2786 vsi->rx_rings[i]->count = new_rx_cnt; 2787 if (ice_is_xdp_ena_vsi(vsi)) 2788 for (i = 0; i < vsi->num_xdp_txq; i++) 2789 vsi->xdp_rings[i]->count = new_tx_cnt; 2790 vsi->num_tx_desc = (u16)new_tx_cnt; 2791 vsi->num_rx_desc = (u16)new_rx_cnt; 2792 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2793 goto done; 2794 } 2795 2796 if (new_tx_cnt == vsi->tx_rings[0]->count) 2797 goto process_rx; 2798 2799 /* alloc updated Tx resources */ 2800 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2801 vsi->tx_rings[0]->count, new_tx_cnt); 2802 2803 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2804 if (!tx_rings) { 2805 err = -ENOMEM; 2806 goto done; 2807 } 2808 2809 ice_for_each_txq(vsi, i) { 2810 /* clone ring and setup updated count */ 2811 tx_rings[i] = *vsi->tx_rings[i]; 2812 tx_rings[i].count = new_tx_cnt; 2813 tx_rings[i].desc = NULL; 2814 tx_rings[i].tx_buf = NULL; 2815 err = ice_setup_tx_ring(&tx_rings[i]); 2816 if (err) { 2817 while (i--) 2818 ice_clean_tx_ring(&tx_rings[i]); 2819 kfree(tx_rings); 2820 goto done; 2821 } 2822 } 2823 2824 if (!ice_is_xdp_ena_vsi(vsi)) 2825 goto process_rx; 2826 2827 /* alloc updated XDP resources */ 2828 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2829 vsi->xdp_rings[0]->count, new_tx_cnt); 2830 2831 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2832 if (!xdp_rings) { 2833 err = -ENOMEM; 2834 goto free_tx; 2835 } 2836 2837 for (i = 0; i < vsi->num_xdp_txq; i++) { 2838 /* clone ring and setup updated count */ 2839 xdp_rings[i] = *vsi->xdp_rings[i]; 2840 xdp_rings[i].count = new_tx_cnt; 2841 xdp_rings[i].desc = NULL; 2842 xdp_rings[i].tx_buf = NULL; 2843 err = ice_setup_tx_ring(&xdp_rings[i]); 2844 if (err) { 2845 while (i--) 2846 ice_clean_tx_ring(&xdp_rings[i]); 2847 kfree(xdp_rings); 2848 goto free_tx; 2849 } 2850 ice_set_ring_xdp(&xdp_rings[i]); 2851 } 2852 2853process_rx: 2854 if (new_rx_cnt == vsi->rx_rings[0]->count) 2855 goto process_link; 2856 2857 /* alloc updated Rx resources */ 2858 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2859 vsi->rx_rings[0]->count, new_rx_cnt); 2860 2861 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2862 if (!rx_rings) { 2863 err = -ENOMEM; 2864 goto done; 2865 } 2866 2867 ice_for_each_rxq(vsi, i) { 2868 /* clone ring and setup updated count */ 2869 rx_rings[i] = *vsi->rx_rings[i]; 2870 rx_rings[i].count = new_rx_cnt; 2871 rx_rings[i].desc = NULL; 2872 rx_rings[i].rx_buf = NULL; 2873 /* this is to allow wr32 to have something to write to 2874 * during early allocation of Rx buffers 2875 */ 2876 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2877 2878 err = ice_setup_rx_ring(&rx_rings[i]); 2879 if (err) 2880 goto rx_unwind; 2881 2882 /* allocate Rx buffers */ 2883 err = ice_alloc_rx_bufs(&rx_rings[i], 2884 ICE_DESC_UNUSED(&rx_rings[i])); 2885rx_unwind: 2886 if (err) { 2887 while (i) { 2888 i--; 2889 ice_free_rx_ring(&rx_rings[i]); 2890 } 2891 kfree(rx_rings); 2892 err = -ENOMEM; 2893 goto free_tx; 2894 } 2895 } 2896 2897process_link: 2898 /* Bring interface down, copy in the new ring info, then restore the 2899 * interface. if VSI is up, bring it down and then back up 2900 */ 2901 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2902 ice_down(vsi); 2903 2904 if (tx_rings) { 2905 ice_for_each_txq(vsi, i) { 2906 ice_free_tx_ring(vsi->tx_rings[i]); 2907 *vsi->tx_rings[i] = tx_rings[i]; 2908 } 2909 kfree(tx_rings); 2910 } 2911 2912 if (rx_rings) { 2913 ice_for_each_rxq(vsi, i) { 2914 ice_free_rx_ring(vsi->rx_rings[i]); 2915 /* copy the real tail offset */ 2916 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2917 /* this is to fake out the allocation routine 2918 * into thinking it has to realloc everything 2919 * but the recycling logic will let us re-use 2920 * the buffers allocated above 2921 */ 2922 rx_rings[i].next_to_use = 0; 2923 rx_rings[i].next_to_clean = 0; 2924 rx_rings[i].next_to_alloc = 0; 2925 *vsi->rx_rings[i] = rx_rings[i]; 2926 } 2927 kfree(rx_rings); 2928 } 2929 2930 if (xdp_rings) { 2931 for (i = 0; i < vsi->num_xdp_txq; i++) { 2932 ice_free_tx_ring(vsi->xdp_rings[i]); 2933 *vsi->xdp_rings[i] = xdp_rings[i]; 2934 } 2935 kfree(xdp_rings); 2936 } 2937 2938 vsi->num_tx_desc = new_tx_cnt; 2939 vsi->num_rx_desc = new_rx_cnt; 2940 ice_up(vsi); 2941 } 2942 goto done; 2943 2944free_tx: 2945 /* error cleanup if the Rx allocations failed after getting Tx */ 2946 if (tx_rings) { 2947 ice_for_each_txq(vsi, i) 2948 ice_free_tx_ring(&tx_rings[i]); 2949 kfree(tx_rings); 2950 } 2951 2952done: 2953 clear_bit(__ICE_CFG_BUSY, pf->state); 2954 return err; 2955} 2956 2957/** 2958 * ice_get_pauseparam - Get Flow Control status 2959 * @netdev: network interface device structure 2960 * @pause: ethernet pause (flow control) parameters 2961 * 2962 * Get requested flow control status from PHY capability. 2963 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2964 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2965 * the negotiated Rx/Tx pause via lp_advertising. 2966 */ 2967static void 2968ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2969{ 2970 struct ice_netdev_priv *np = netdev_priv(netdev); 2971 struct ice_port_info *pi = np->vsi->port_info; 2972 struct ice_aqc_get_phy_caps_data *pcaps; 2973 struct ice_dcbx_cfg *dcbx_cfg; 2974 enum ice_status status; 2975 2976 /* Initialize pause params */ 2977 pause->rx_pause = 0; 2978 pause->tx_pause = 0; 2979 2980 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2981 2982 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2983 if (!pcaps) 2984 return; 2985 2986 /* Get current PHY config */ 2987 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 2988 NULL); 2989 if (status) 2990 goto out; 2991 2992 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2993 AUTONEG_DISABLE; 2994 2995 if (dcbx_cfg->pfc.pfcena) 2996 /* PFC enabled so report LFC as off */ 2997 goto out; 2998 2999 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3000 pause->tx_pause = 1; 3001 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3002 pause->rx_pause = 1; 3003 3004out: 3005 kfree(pcaps); 3006} 3007 3008/** 3009 * ice_set_pauseparam - Set Flow Control parameter 3010 * @netdev: network interface device structure 3011 * @pause: return Tx/Rx flow control status 3012 */ 3013static int 3014ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3015{ 3016 struct ice_netdev_priv *np = netdev_priv(netdev); 3017 struct ice_aqc_get_phy_caps_data *pcaps; 3018 struct ice_link_status *hw_link_info; 3019 struct ice_pf *pf = np->vsi->back; 3020 struct ice_dcbx_cfg *dcbx_cfg; 3021 struct ice_vsi *vsi = np->vsi; 3022 struct ice_hw *hw = &pf->hw; 3023 struct ice_port_info *pi; 3024 enum ice_status status; 3025 u8 aq_failures; 3026 bool link_up; 3027 int err = 0; 3028 u32 is_an; 3029 3030 pi = vsi->port_info; 3031 hw_link_info = &pi->phy.link_info; 3032 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3033 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3034 3035 /* Changing the port's flow control is not supported if this isn't the 3036 * PF VSI 3037 */ 3038 if (vsi->type != ICE_VSI_PF) { 3039 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3040 return -EOPNOTSUPP; 3041 } 3042 3043 /* Get pause param reports configured and negotiated flow control pause 3044 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3045 * defined get pause param pause->autoneg reports SW configured setting, 3046 * so compare pause->autoneg with SW configured to prevent the user from 3047 * using set pause param to chance autoneg. 3048 */ 3049 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3050 if (!pcaps) 3051 return -ENOMEM; 3052 3053 /* Get current PHY config */ 3054 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 3055 NULL); 3056 if (status) { 3057 kfree(pcaps); 3058 return -EIO; 3059 } 3060 3061 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3062 AUTONEG_DISABLE; 3063 3064 kfree(pcaps); 3065 3066 if (pause->autoneg != is_an) { 3067 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3068 return -EOPNOTSUPP; 3069 } 3070 3071 /* If we have link and don't have autoneg */ 3072 if (!test_bit(__ICE_DOWN, pf->state) && 3073 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3074 /* Send message that it might not necessarily work*/ 3075 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3076 } 3077 3078 if (dcbx_cfg->pfc.pfcena) { 3079 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3080 return -EOPNOTSUPP; 3081 } 3082 if (pause->rx_pause && pause->tx_pause) 3083 pi->fc.req_mode = ICE_FC_FULL; 3084 else if (pause->rx_pause && !pause->tx_pause) 3085 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3086 else if (!pause->rx_pause && pause->tx_pause) 3087 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3088 else if (!pause->rx_pause && !pause->tx_pause) 3089 pi->fc.req_mode = ICE_FC_NONE; 3090 else 3091 return -EINVAL; 3092 3093 /* Set the FC mode and only restart AN if link is up */ 3094 status = ice_set_fc(pi, &aq_failures, link_up); 3095 3096 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3097 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3098 ice_stat_str(status), 3099 ice_aq_str(hw->adminq.sq_last_status)); 3100 err = -EAGAIN; 3101 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3102 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3103 ice_stat_str(status), 3104 ice_aq_str(hw->adminq.sq_last_status)); 3105 err = -EAGAIN; 3106 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3107 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3108 ice_stat_str(status), 3109 ice_aq_str(hw->adminq.sq_last_status)); 3110 err = -EAGAIN; 3111 } 3112 3113 return err; 3114} 3115 3116/** 3117 * ice_get_rxfh_key_size - get the RSS hash key size 3118 * @netdev: network interface device structure 3119 * 3120 * Returns the table size. 3121 */ 3122static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3123{ 3124 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3125} 3126 3127/** 3128 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3129 * @netdev: network interface device structure 3130 * 3131 * Returns the table size. 3132 */ 3133static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3134{ 3135 struct ice_netdev_priv *np = netdev_priv(netdev); 3136 3137 return np->vsi->rss_table_size; 3138} 3139 3140/** 3141 * ice_get_rxfh - get the Rx flow hash indirection table 3142 * @netdev: network interface device structure 3143 * @indir: indirection table 3144 * @key: hash key 3145 * @hfunc: hash function 3146 * 3147 * Reads the indirection table directly from the hardware. 3148 */ 3149static int 3150ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3151{ 3152 struct ice_netdev_priv *np = netdev_priv(netdev); 3153 struct ice_vsi *vsi = np->vsi; 3154 struct ice_pf *pf = vsi->back; 3155 int ret = 0, i; 3156 u8 *lut; 3157 3158 if (hfunc) 3159 *hfunc = ETH_RSS_HASH_TOP; 3160 3161 if (!indir) 3162 return 0; 3163 3164 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3165 /* RSS not supported return error here */ 3166 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3167 return -EIO; 3168 } 3169 3170 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3171 if (!lut) 3172 return -ENOMEM; 3173 3174 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 3175 ret = -EIO; 3176 goto out; 3177 } 3178 3179 for (i = 0; i < vsi->rss_table_size; i++) 3180 indir[i] = (u32)(lut[i]); 3181 3182out: 3183 kfree(lut); 3184 return ret; 3185} 3186 3187/** 3188 * ice_set_rxfh - set the Rx flow hash indirection table 3189 * @netdev: network interface device structure 3190 * @indir: indirection table 3191 * @key: hash key 3192 * @hfunc: hash function 3193 * 3194 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3195 * returns 0 after programming the table. 3196 */ 3197static int 3198ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3199 const u8 hfunc) 3200{ 3201 struct ice_netdev_priv *np = netdev_priv(netdev); 3202 struct ice_vsi *vsi = np->vsi; 3203 struct ice_pf *pf = vsi->back; 3204 struct device *dev; 3205 u8 *seed = NULL; 3206 3207 dev = ice_pf_to_dev(pf); 3208 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3209 return -EOPNOTSUPP; 3210 3211 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3212 /* RSS not supported return error here */ 3213 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3214 return -EIO; 3215 } 3216 3217 if (key) { 3218 if (!vsi->rss_hkey_user) { 3219 vsi->rss_hkey_user = 3220 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3221 GFP_KERNEL); 3222 if (!vsi->rss_hkey_user) 3223 return -ENOMEM; 3224 } 3225 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3226 seed = vsi->rss_hkey_user; 3227 } 3228 3229 if (!vsi->rss_lut_user) { 3230 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3231 GFP_KERNEL); 3232 if (!vsi->rss_lut_user) 3233 return -ENOMEM; 3234 } 3235 3236 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3237 if (indir) { 3238 int i; 3239 3240 for (i = 0; i < vsi->rss_table_size; i++) 3241 vsi->rss_lut_user[i] = (u8)(indir[i]); 3242 } else { 3243 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3244 vsi->rss_size); 3245 } 3246 3247 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3248 return -EIO; 3249 3250 return 0; 3251} 3252 3253/** 3254 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3255 * @pf: PF structure 3256 */ 3257static int ice_get_max_txq(struct ice_pf *pf) 3258{ 3259 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3260 (u16)pf->hw.func_caps.common_cap.num_txq); 3261} 3262 3263/** 3264 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3265 * @pf: PF structure 3266 */ 3267static int ice_get_max_rxq(struct ice_pf *pf) 3268{ 3269 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3270 (u16)pf->hw.func_caps.common_cap.num_rxq); 3271} 3272 3273/** 3274 * ice_get_combined_cnt - return the current number of combined channels 3275 * @vsi: PF VSI pointer 3276 * 3277 * Go through all queue vectors and count ones that have both Rx and Tx ring 3278 * attached 3279 */ 3280static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3281{ 3282 u32 combined = 0; 3283 int q_idx; 3284 3285 ice_for_each_q_vector(vsi, q_idx) { 3286 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3287 3288 if (q_vector->rx.ring && q_vector->tx.ring) 3289 combined++; 3290 } 3291 3292 return combined; 3293} 3294 3295/** 3296 * ice_get_channels - get the current and max supported channels 3297 * @dev: network interface device structure 3298 * @ch: ethtool channel data structure 3299 */ 3300static void 3301ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3302{ 3303 struct ice_netdev_priv *np = netdev_priv(dev); 3304 struct ice_vsi *vsi = np->vsi; 3305 struct ice_pf *pf = vsi->back; 3306 3307 /* report maximum channels */ 3308 ch->max_rx = ice_get_max_rxq(pf); 3309 ch->max_tx = ice_get_max_txq(pf); 3310 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3311 3312 /* report current channels */ 3313 ch->combined_count = ice_get_combined_cnt(vsi); 3314 ch->rx_count = vsi->num_rxq - ch->combined_count; 3315 ch->tx_count = vsi->num_txq - ch->combined_count; 3316 3317 /* report other queues */ 3318 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3319 ch->max_other = ch->other_count; 3320} 3321 3322/** 3323 * ice_get_valid_rss_size - return valid number of RSS queues 3324 * @hw: pointer to the HW structure 3325 * @new_size: requested RSS queues 3326 */ 3327static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3328{ 3329 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3330 3331 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3332} 3333 3334/** 3335 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3336 * @vsi: VSI to reconfigure RSS LUT on 3337 * @req_rss_size: requested range of queue numbers for hashing 3338 * 3339 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3340 */ 3341static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3342{ 3343 struct ice_pf *pf = vsi->back; 3344 enum ice_status status; 3345 struct device *dev; 3346 struct ice_hw *hw; 3347 int err = 0; 3348 u8 *lut; 3349 3350 dev = ice_pf_to_dev(pf); 3351 hw = &pf->hw; 3352 3353 if (!req_rss_size) 3354 return -EINVAL; 3355 3356 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3357 if (!lut) 3358 return -ENOMEM; 3359 3360 /* set RSS LUT parameters */ 3361 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3362 vsi->rss_size = 1; 3363 else 3364 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3365 3366 /* create/set RSS LUT */ 3367 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3368 status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut, 3369 vsi->rss_table_size); 3370 if (status) { 3371 dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n", 3372 ice_stat_str(status), 3373 ice_aq_str(hw->adminq.sq_last_status)); 3374 err = -EIO; 3375 } 3376 3377 kfree(lut); 3378 return err; 3379} 3380 3381/** 3382 * ice_set_channels - set the number channels 3383 * @dev: network interface device structure 3384 * @ch: ethtool channel data structure 3385 */ 3386static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3387{ 3388 struct ice_netdev_priv *np = netdev_priv(dev); 3389 struct ice_vsi *vsi = np->vsi; 3390 struct ice_pf *pf = vsi->back; 3391 int new_rx = 0, new_tx = 0; 3392 u32 curr_combined; 3393 3394 /* do not support changing channels in Safe Mode */ 3395 if (ice_is_safe_mode(pf)) { 3396 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3397 return -EOPNOTSUPP; 3398 } 3399 /* do not support changing other_count */ 3400 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3401 return -EINVAL; 3402 3403 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3404 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3405 return -EOPNOTSUPP; 3406 } 3407 3408 curr_combined = ice_get_combined_cnt(vsi); 3409 3410 /* these checks are for cases where user didn't specify a particular 3411 * value on cmd line but we get non-zero value anyway via 3412 * get_channels(); look at ethtool.c in ethtool repository (the user 3413 * space part), particularly, do_schannels() routine 3414 */ 3415 if (ch->rx_count == vsi->num_rxq - curr_combined) 3416 ch->rx_count = 0; 3417 if (ch->tx_count == vsi->num_txq - curr_combined) 3418 ch->tx_count = 0; 3419 if (ch->combined_count == curr_combined) 3420 ch->combined_count = 0; 3421 3422 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3423 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3424 return -EINVAL; 3425 } 3426 3427 new_rx = ch->combined_count + ch->rx_count; 3428 new_tx = ch->combined_count + ch->tx_count; 3429 3430 if (new_rx > ice_get_max_rxq(pf)) { 3431 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3432 ice_get_max_rxq(pf)); 3433 return -EINVAL; 3434 } 3435 if (new_tx > ice_get_max_txq(pf)) { 3436 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3437 ice_get_max_txq(pf)); 3438 return -EINVAL; 3439 } 3440 3441 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3442 3443 if (!netif_is_rxfh_configured(dev)) 3444 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3445 3446 /* Update rss_size due to change in Rx queues */ 3447 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3448 3449 return 0; 3450} 3451 3452/** 3453 * ice_get_wol - get current Wake on LAN configuration 3454 * @netdev: network interface device structure 3455 * @wol: Ethtool structure to retrieve WoL settings 3456 */ 3457static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3458{ 3459 struct ice_netdev_priv *np = netdev_priv(netdev); 3460 struct ice_pf *pf = np->vsi->back; 3461 3462 if (np->vsi->type != ICE_VSI_PF) 3463 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3464 3465 /* Get WoL settings based on the HW capability */ 3466 if (ice_is_wol_supported(&pf->hw)) { 3467 wol->supported = WAKE_MAGIC; 3468 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3469 } else { 3470 wol->supported = 0; 3471 wol->wolopts = 0; 3472 } 3473} 3474 3475/** 3476 * ice_set_wol - set Wake on LAN on supported device 3477 * @netdev: network interface device structure 3478 * @wol: Ethtool structure to set WoL 3479 */ 3480static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3481{ 3482 struct ice_netdev_priv *np = netdev_priv(netdev); 3483 struct ice_vsi *vsi = np->vsi; 3484 struct ice_pf *pf = vsi->back; 3485 3486 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3487 return -EOPNOTSUPP; 3488 3489 /* only magic packet is supported */ 3490 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3491 return -EOPNOTSUPP; 3492 3493 /* Set WoL only if there is a new value */ 3494 if (pf->wol_ena != !!wol->wolopts) { 3495 pf->wol_ena = !!wol->wolopts; 3496 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3497 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3498 pf->wol_ena ? "en" : "dis"); 3499 } 3500 3501 return 0; 3502} 3503 3504enum ice_container_type { 3505 ICE_RX_CONTAINER, 3506 ICE_TX_CONTAINER, 3507}; 3508 3509/** 3510 * ice_get_rc_coalesce - get ITR values for specific ring container 3511 * @ec: ethtool structure to fill with driver's coalesce settings 3512 * @c_type: container type, Rx or Tx 3513 * @rc: ring container that the ITR values will come from 3514 * 3515 * Query the device for ice_ring_container specific ITR values. This is 3516 * done per ice_ring_container because each q_vector can have 1 or more rings 3517 * and all of said ring(s) will have the same ITR values. 3518 * 3519 * Returns 0 on success, negative otherwise. 3520 */ 3521static int 3522ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3523 struct ice_ring_container *rc) 3524{ 3525 if (!rc->ring) 3526 return -EINVAL; 3527 3528 switch (c_type) { 3529 case ICE_RX_CONTAINER: 3530 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3531 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3532 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3533 break; 3534 case ICE_TX_CONTAINER: 3535 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3536 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3537 break; 3538 default: 3539 dev_dbg(ice_pf_to_dev(rc->ring->vsi->back), "Invalid c_type %d\n", c_type); 3540 return -EINVAL; 3541 } 3542 3543 return 0; 3544} 3545 3546/** 3547 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3548 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3549 * @ec: coalesce settings to program the device with 3550 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3551 * 3552 * Return 0 on success, and negative under the following conditions: 3553 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3554 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3555 */ 3556static int 3557ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3558{ 3559 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3560 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3561 &vsi->rx_rings[q_num]->q_vector->rx)) 3562 return -EINVAL; 3563 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3564 &vsi->tx_rings[q_num]->q_vector->tx)) 3565 return -EINVAL; 3566 } else if (q_num < vsi->num_rxq) { 3567 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3568 &vsi->rx_rings[q_num]->q_vector->rx)) 3569 return -EINVAL; 3570 } else if (q_num < vsi->num_txq) { 3571 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3572 &vsi->tx_rings[q_num]->q_vector->tx)) 3573 return -EINVAL; 3574 } else { 3575 return -EINVAL; 3576 } 3577 3578 return 0; 3579} 3580 3581/** 3582 * __ice_get_coalesce - get ITR/INTRL values for the device 3583 * @netdev: pointer to the netdev associated with this query 3584 * @ec: ethtool structure to fill with driver's coalesce settings 3585 * @q_num: queue number to get the coalesce settings for 3586 * 3587 * If the caller passes in a negative q_num then we return coalesce settings 3588 * based on queue number 0, else use the actual q_num passed in. 3589 */ 3590static int 3591__ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3592 int q_num) 3593{ 3594 struct ice_netdev_priv *np = netdev_priv(netdev); 3595 struct ice_vsi *vsi = np->vsi; 3596 3597 if (q_num < 0) 3598 q_num = 0; 3599 3600 if (ice_get_q_coalesce(vsi, ec, q_num)) 3601 return -EINVAL; 3602 3603 return 0; 3604} 3605 3606static int 3607ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3608{ 3609 return __ice_get_coalesce(netdev, ec, -1); 3610} 3611 3612static int 3613ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3614 struct ethtool_coalesce *ec) 3615{ 3616 return __ice_get_coalesce(netdev, ec, q_num); 3617} 3618 3619/** 3620 * ice_set_rc_coalesce - set ITR values for specific ring container 3621 * @c_type: container type, Rx or Tx 3622 * @ec: ethtool structure from user to update ITR settings 3623 * @rc: ring container that the ITR values will come from 3624 * @vsi: VSI associated to the ring container 3625 * 3626 * Set specific ITR values. This is done per ice_ring_container because each 3627 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3628 * ITR values. 3629 * 3630 * Returns 0 on success, negative otherwise. 3631 */ 3632static int 3633ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3634 struct ice_ring_container *rc, struct ice_vsi *vsi) 3635{ 3636 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3637 u32 use_adaptive_coalesce, coalesce_usecs; 3638 struct ice_pf *pf = vsi->back; 3639 u16 itr_setting; 3640 3641 if (!rc->ring) 3642 return -EINVAL; 3643 3644 switch (c_type) { 3645 case ICE_RX_CONTAINER: 3646 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3647 (ec->rx_coalesce_usecs_high && 3648 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3649 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3650 c_type_str, pf->hw.intrl_gran, 3651 ICE_MAX_INTRL); 3652 return -EINVAL; 3653 } 3654 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3655 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3656 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3657 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3658 pf->hw.intrl_gran)); 3659 } 3660 3661 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3662 coalesce_usecs = ec->rx_coalesce_usecs; 3663 3664 break; 3665 case ICE_TX_CONTAINER: 3666 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3667 coalesce_usecs = ec->tx_coalesce_usecs; 3668 3669 break; 3670 default: 3671 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3672 c_type); 3673 return -EINVAL; 3674 } 3675 3676 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3677 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3678 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3679 c_type_str, c_type_str); 3680 return -EINVAL; 3681 } 3682 3683 if (coalesce_usecs > ICE_ITR_MAX) { 3684 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3685 c_type_str, ICE_ITR_MAX); 3686 return -EINVAL; 3687 } 3688 3689 if (use_adaptive_coalesce) { 3690 rc->itr_setting |= ICE_ITR_DYNAMIC; 3691 } else { 3692 /* save the user set usecs */ 3693 rc->itr_setting = coalesce_usecs; 3694 /* device ITR granularity is in 2 usec increments */ 3695 rc->target_itr = ITR_REG_ALIGN(rc->itr_setting); 3696 } 3697 3698 return 0; 3699} 3700 3701/** 3702 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3703 * @vsi: VSI associated to the queue that need updating 3704 * @ec: coalesce settings to program the device with 3705 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3706 * 3707 * Return 0 on success, and negative under the following conditions: 3708 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3709 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3710 */ 3711static int 3712ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3713{ 3714 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3715 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3716 &vsi->rx_rings[q_num]->q_vector->rx, 3717 vsi)) 3718 return -EINVAL; 3719 3720 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3721 &vsi->tx_rings[q_num]->q_vector->tx, 3722 vsi)) 3723 return -EINVAL; 3724 } else if (q_num < vsi->num_rxq) { 3725 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3726 &vsi->rx_rings[q_num]->q_vector->rx, 3727 vsi)) 3728 return -EINVAL; 3729 } else if (q_num < vsi->num_txq) { 3730 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3731 &vsi->tx_rings[q_num]->q_vector->tx, 3732 vsi)) 3733 return -EINVAL; 3734 } else { 3735 return -EINVAL; 3736 } 3737 3738 return 0; 3739} 3740 3741/** 3742 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3743 * @netdev: netdev used for print 3744 * @itr_setting: previous user setting 3745 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3746 * @coalesce_usecs: requested value of [tx|rx]-usecs 3747 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3748 */ 3749static void 3750ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3751 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3752 const char *c_type_str) 3753{ 3754 if (use_adaptive_coalesce) 3755 return; 3756 3757 itr_setting = ITR_TO_REG(itr_setting); 3758 3759 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3760 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", 3761 c_type_str, coalesce_usecs, c_type_str, 3762 ITR_REG_ALIGN(coalesce_usecs)); 3763} 3764 3765/** 3766 * __ice_set_coalesce - set ITR/INTRL values for the device 3767 * @netdev: pointer to the netdev associated with this query 3768 * @ec: ethtool structure to fill with driver's coalesce settings 3769 * @q_num: queue number to get the coalesce settings for 3770 * 3771 * If the caller passes in a negative q_num then we set the coalesce settings 3772 * for all Tx/Rx queues, else use the actual q_num passed in. 3773 */ 3774static int 3775__ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3776 int q_num) 3777{ 3778 struct ice_netdev_priv *np = netdev_priv(netdev); 3779 struct ice_vsi *vsi = np->vsi; 3780 3781 if (q_num < 0) { 3782 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3783 int v_idx; 3784 3785 if (q_vector) { 3786 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3787 ec->use_adaptive_rx_coalesce, 3788 ec->rx_coalesce_usecs, "rx"); 3789 3790 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3791 ec->use_adaptive_tx_coalesce, 3792 ec->tx_coalesce_usecs, "tx"); 3793 } 3794 3795 ice_for_each_q_vector(vsi, v_idx) { 3796 /* In some cases if DCB is configured the num_[rx|tx]q 3797 * can be less than vsi->num_q_vectors. This check 3798 * accounts for that so we don't report a false failure 3799 */ 3800 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3801 goto set_complete; 3802 3803 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3804 return -EINVAL; 3805 } 3806 goto set_complete; 3807 } 3808 3809 if (ice_set_q_coalesce(vsi, ec, q_num)) 3810 return -EINVAL; 3811 3812set_complete: 3813 3814 return 0; 3815} 3816 3817static int 3818ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3819{ 3820 return __ice_set_coalesce(netdev, ec, -1); 3821} 3822 3823static int 3824ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3825 struct ethtool_coalesce *ec) 3826{ 3827 return __ice_set_coalesce(netdev, ec, q_num); 3828} 3829 3830#define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3831#define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3832#define ICE_MODULE_TYPE_SFP 0x03 3833#define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3834#define ICE_MODULE_TYPE_QSFP28 0x11 3835#define ICE_MODULE_SFF_ADDR_MODE 0x04 3836#define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3837#define ICE_MODULE_REVISION_ADDR 0x01 3838#define ICE_MODULE_SFF_8472_COMP 0x5E 3839#define ICE_MODULE_SFF_8472_SWAP 0x5C 3840#define ICE_MODULE_QSFP_MAX_LEN 640 3841 3842/** 3843 * ice_get_module_info - get SFF module type and revision information 3844 * @netdev: network interface device structure 3845 * @modinfo: module EEPROM size and layout information structure 3846 */ 3847static int 3848ice_get_module_info(struct net_device *netdev, 3849 struct ethtool_modinfo *modinfo) 3850{ 3851 struct ice_netdev_priv *np = netdev_priv(netdev); 3852 struct ice_vsi *vsi = np->vsi; 3853 struct ice_pf *pf = vsi->back; 3854 struct ice_hw *hw = &pf->hw; 3855 enum ice_status status; 3856 u8 sff8472_comp = 0; 3857 u8 sff8472_swap = 0; 3858 u8 sff8636_rev = 0; 3859 u8 value = 0; 3860 3861 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3862 0, &value, 1, 0, NULL); 3863 if (status) 3864 return -EIO; 3865 3866 switch (value) { 3867 case ICE_MODULE_TYPE_SFP: 3868 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3869 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3870 &sff8472_comp, 1, 0, NULL); 3871 if (status) 3872 return -EIO; 3873 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3874 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3875 &sff8472_swap, 1, 0, NULL); 3876 if (status) 3877 return -EIO; 3878 3879 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3880 modinfo->type = ETH_MODULE_SFF_8079; 3881 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3882 } else if (sff8472_comp && 3883 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3884 modinfo->type = ETH_MODULE_SFF_8472; 3885 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3886 } else { 3887 modinfo->type = ETH_MODULE_SFF_8079; 3888 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3889 } 3890 break; 3891 case ICE_MODULE_TYPE_QSFP_PLUS: 3892 case ICE_MODULE_TYPE_QSFP28: 3893 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3894 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3895 &sff8636_rev, 1, 0, NULL); 3896 if (status) 3897 return -EIO; 3898 /* Check revision compliance */ 3899 if (sff8636_rev > 0x02) { 3900 /* Module is SFF-8636 compliant */ 3901 modinfo->type = ETH_MODULE_SFF_8636; 3902 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3903 } else { 3904 modinfo->type = ETH_MODULE_SFF_8436; 3905 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3906 } 3907 break; 3908 default: 3909 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3910 return -EINVAL; 3911 } 3912 return 0; 3913} 3914 3915/** 3916 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3917 * @netdev: network interface device structure 3918 * @ee: EEPROM dump request structure 3919 * @data: buffer to be filled with EEPROM contents 3920 */ 3921static int 3922ice_get_module_eeprom(struct net_device *netdev, 3923 struct ethtool_eeprom *ee, u8 *data) 3924{ 3925 struct ice_netdev_priv *np = netdev_priv(netdev); 3926 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 3927 struct ice_vsi *vsi = np->vsi; 3928 struct ice_pf *pf = vsi->back; 3929 struct ice_hw *hw = &pf->hw; 3930 enum ice_status status; 3931 bool is_sfp = false; 3932 unsigned int i; 3933 u16 offset = 0; 3934 u8 value = 0; 3935 u8 page = 0; 3936 3937 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, 3938 &value, 1, 0, NULL); 3939 if (status) 3940 return -EIO; 3941 3942 if (!ee || !ee->len || !data) 3943 return -EINVAL; 3944 3945 if (value == ICE_MODULE_TYPE_SFP) 3946 is_sfp = true; 3947 3948 for (i = 0; i < ee->len; i++) { 3949 offset = i + ee->offset; 3950 3951 /* Check if we need to access the other memory page */ 3952 if (is_sfp) { 3953 if (offset >= ETH_MODULE_SFF_8079_LEN) { 3954 offset -= ETH_MODULE_SFF_8079_LEN; 3955 addr = ICE_I2C_EEPROM_DEV_ADDR2; 3956 } 3957 } else { 3958 while (offset >= ETH_MODULE_SFF_8436_LEN) { 3959 /* Compute memory page number and offset. */ 3960 offset -= ETH_MODULE_SFF_8436_LEN / 2; 3961 page++; 3962 } 3963 } 3964 3965 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp, 3966 &value, 1, 0, NULL); 3967 if (status) 3968 value = 0; 3969 data[i] = value; 3970 } 3971 return 0; 3972} 3973 3974static const struct ethtool_ops ice_ethtool_ops = { 3975 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 3976 ETHTOOL_COALESCE_USE_ADAPTIVE | 3977 ETHTOOL_COALESCE_RX_USECS_HIGH, 3978 .get_link_ksettings = ice_get_link_ksettings, 3979 .set_link_ksettings = ice_set_link_ksettings, 3980 .get_drvinfo = ice_get_drvinfo, 3981 .get_regs_len = ice_get_regs_len, 3982 .get_regs = ice_get_regs, 3983 .get_wol = ice_get_wol, 3984 .set_wol = ice_set_wol, 3985 .get_msglevel = ice_get_msglevel, 3986 .set_msglevel = ice_set_msglevel, 3987 .self_test = ice_self_test, 3988 .get_link = ethtool_op_get_link, 3989 .get_eeprom_len = ice_get_eeprom_len, 3990 .get_eeprom = ice_get_eeprom, 3991 .get_coalesce = ice_get_coalesce, 3992 .set_coalesce = ice_set_coalesce, 3993 .get_strings = ice_get_strings, 3994 .set_phys_id = ice_set_phys_id, 3995 .get_ethtool_stats = ice_get_ethtool_stats, 3996 .get_priv_flags = ice_get_priv_flags, 3997 .set_priv_flags = ice_set_priv_flags, 3998 .get_sset_count = ice_get_sset_count, 3999 .get_rxnfc = ice_get_rxnfc, 4000 .set_rxnfc = ice_set_rxnfc, 4001 .get_ringparam = ice_get_ringparam, 4002 .set_ringparam = ice_set_ringparam, 4003 .nway_reset = ice_nway_reset, 4004 .get_pauseparam = ice_get_pauseparam, 4005 .set_pauseparam = ice_set_pauseparam, 4006 .get_rxfh_key_size = ice_get_rxfh_key_size, 4007 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4008 .get_rxfh = ice_get_rxfh, 4009 .set_rxfh = ice_set_rxfh, 4010 .get_channels = ice_get_channels, 4011 .set_channels = ice_set_channels, 4012 .get_ts_info = ethtool_op_get_ts_info, 4013 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4014 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4015 .get_fecparam = ice_get_fecparam, 4016 .set_fecparam = ice_set_fecparam, 4017 .get_module_info = ice_get_module_info, 4018 .get_module_eeprom = ice_get_module_eeprom, 4019}; 4020 4021static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4022 .get_link_ksettings = ice_get_link_ksettings, 4023 .set_link_ksettings = ice_set_link_ksettings, 4024 .get_drvinfo = ice_get_drvinfo, 4025 .get_regs_len = ice_get_regs_len, 4026 .get_regs = ice_get_regs, 4027 .get_wol = ice_get_wol, 4028 .set_wol = ice_set_wol, 4029 .get_msglevel = ice_get_msglevel, 4030 .set_msglevel = ice_set_msglevel, 4031 .get_link = ethtool_op_get_link, 4032 .get_eeprom_len = ice_get_eeprom_len, 4033 .get_eeprom = ice_get_eeprom, 4034 .get_strings = ice_get_strings, 4035 .get_ethtool_stats = ice_get_ethtool_stats, 4036 .get_sset_count = ice_get_sset_count, 4037 .get_ringparam = ice_get_ringparam, 4038 .set_ringparam = ice_set_ringparam, 4039 .nway_reset = ice_nway_reset, 4040 .get_channels = ice_get_channels, 4041}; 4042 4043/** 4044 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4045 * @netdev: network interface device structure 4046 */ 4047void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4048{ 4049 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4050} 4051 4052/** 4053 * ice_set_ethtool_ops - setup netdev ethtool ops 4054 * @netdev: network interface device structure 4055 * 4056 * setup netdev ethtool ops with ice specific ops 4057 */ 4058void ice_set_ethtool_ops(struct net_device *netdev) 4059{ 4060 netdev->ethtool_ops = &ice_ethtool_ops; 4061} 4062