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 13 struct 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 30 static 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 50 static 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("tx_errors", eth_stats.tx_errors), 64 ICE_VSI_STAT("tx_linearize", tx_linearize), 65 ICE_VSI_STAT("tx_busy", tx_busy), 66 ICE_VSI_STAT("tx_restart", tx_restart), 67 }; 68 69 enum ice_ethtool_test_id { 70 ICE_ETH_TEST_REG = 0, 71 ICE_ETH_TEST_EEPROM, 72 ICE_ETH_TEST_INTR, 73 ICE_ETH_TEST_LOOP, 74 ICE_ETH_TEST_LINK, 75 }; 76 77 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 78 "Register test (offline)", 79 "EEPROM test (offline)", 80 "Interrupt test (offline)", 81 "Loopback test (offline)", 82 "Link test (on/offline)", 83 }; 84 85 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 86 87 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 88 * but they aren't. This device is capable of supporting multiple 89 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 90 * netdevs whereas the PF_STATs are for the physical function that's 91 * hosting these netdevs. 92 * 93 * The PF_STATs are appended to the netdev stats only when ethtool -S 94 * is queried on the base PF netdev. 95 */ 96 static const struct ice_stats ice_gstrings_pf_stats[] = { 97 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 98 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 99 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 100 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 101 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 102 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 103 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 104 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 105 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 106 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 107 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 108 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 109 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 110 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 111 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 112 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 113 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 114 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 115 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 116 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 117 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 118 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 119 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 120 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 121 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 122 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 123 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 124 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 125 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 126 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 127 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 128 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 129 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 130 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 131 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 132 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 133 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 134 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 135 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 136 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 137 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 138 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 139 }; 140 141 static const u32 ice_regs_dump_list[] = { 142 PFGEN_STATE, 143 PRTGEN_STATUS, 144 QRX_CTRL(0), 145 QINT_TQCTL(0), 146 QINT_RQCTL(0), 147 PFINT_OICR_ENA, 148 QRX_ITR(0), 149 }; 150 151 struct ice_priv_flag { 152 char name[ETH_GSTRING_LEN]; 153 u32 bitno; /* bit position in pf->flags */ 154 }; 155 156 #define ICE_PRIV_FLAG(_name, _bitno) { \ 157 .name = _name, \ 158 .bitno = _bitno, \ 159 } 160 161 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 162 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 163 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 164 ICE_PRIV_FLAG("vf-true-promisc-support", 165 ICE_FLAG_VF_TRUE_PROMISC_ENA), 166 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 167 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 168 }; 169 170 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 171 172 static void 173 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 174 { 175 struct ice_netdev_priv *np = netdev_priv(netdev); 176 struct ice_vsi *vsi = np->vsi; 177 struct ice_pf *pf = vsi->back; 178 struct ice_hw *hw = &pf->hw; 179 struct ice_orom_info *orom; 180 struct ice_nvm_info *nvm; 181 182 nvm = &hw->flash.nvm; 183 orom = &hw->flash.orom; 184 185 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 186 187 /* Display NVM version (from which the firmware version can be 188 * determined) which contains more pertinent information. 189 */ 190 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 191 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 192 nvm->eetrack, orom->major, orom->build, orom->patch); 193 194 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 195 sizeof(drvinfo->bus_info)); 196 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 197 } 198 199 static int ice_get_regs_len(struct net_device __always_unused *netdev) 200 { 201 return sizeof(ice_regs_dump_list); 202 } 203 204 static void 205 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 206 { 207 struct ice_netdev_priv *np = netdev_priv(netdev); 208 struct ice_pf *pf = np->vsi->back; 209 struct ice_hw *hw = &pf->hw; 210 u32 *regs_buf = (u32 *)p; 211 unsigned int i; 212 213 regs->version = 1; 214 215 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 216 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 217 } 218 219 static u32 ice_get_msglevel(struct net_device *netdev) 220 { 221 struct ice_netdev_priv *np = netdev_priv(netdev); 222 struct ice_pf *pf = np->vsi->back; 223 224 #ifndef CONFIG_DYNAMIC_DEBUG 225 if (pf->hw.debug_mask) 226 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 227 pf->hw.debug_mask); 228 #endif /* !CONFIG_DYNAMIC_DEBUG */ 229 230 return pf->msg_enable; 231 } 232 233 static void ice_set_msglevel(struct net_device *netdev, u32 data) 234 { 235 struct ice_netdev_priv *np = netdev_priv(netdev); 236 struct ice_pf *pf = np->vsi->back; 237 238 #ifndef CONFIG_DYNAMIC_DEBUG 239 if (ICE_DBG_USER & data) 240 pf->hw.debug_mask = data; 241 else 242 pf->msg_enable = data; 243 #else 244 pf->msg_enable = data; 245 #endif /* !CONFIG_DYNAMIC_DEBUG */ 246 } 247 248 static int ice_get_eeprom_len(struct net_device *netdev) 249 { 250 struct ice_netdev_priv *np = netdev_priv(netdev); 251 struct ice_pf *pf = np->vsi->back; 252 253 return (int)pf->hw.flash.flash_size; 254 } 255 256 static int 257 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 258 u8 *bytes) 259 { 260 struct ice_netdev_priv *np = netdev_priv(netdev); 261 struct ice_vsi *vsi = np->vsi; 262 struct ice_pf *pf = vsi->back; 263 struct ice_hw *hw = &pf->hw; 264 enum ice_status status; 265 struct device *dev; 266 int ret = 0; 267 u8 *buf; 268 269 dev = ice_pf_to_dev(pf); 270 271 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 272 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 273 eeprom->cmd, eeprom->offset, eeprom->len); 274 275 buf = kzalloc(eeprom->len, GFP_KERNEL); 276 if (!buf) 277 return -ENOMEM; 278 279 status = ice_acquire_nvm(hw, ICE_RES_READ); 280 if (status) { 281 dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n", 282 ice_stat_str(status), 283 ice_aq_str(hw->adminq.sq_last_status)); 284 ret = -EIO; 285 goto out; 286 } 287 288 status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 289 false); 290 if (status) { 291 dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n", 292 ice_stat_str(status), 293 ice_aq_str(hw->adminq.sq_last_status)); 294 ret = -EIO; 295 goto release; 296 } 297 298 memcpy(bytes, buf, eeprom->len); 299 release: 300 ice_release_nvm(hw); 301 out: 302 kfree(buf); 303 return ret; 304 } 305 306 /** 307 * ice_active_vfs - check if there are any active VFs 308 * @pf: board private structure 309 * 310 * Returns true if an active VF is found, otherwise returns false 311 */ 312 static bool ice_active_vfs(struct ice_pf *pf) 313 { 314 unsigned int i; 315 316 ice_for_each_vf(pf, i) { 317 struct ice_vf *vf = &pf->vf[i]; 318 319 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 320 return true; 321 } 322 323 return false; 324 } 325 326 /** 327 * ice_link_test - perform a link test on a given net_device 328 * @netdev: network interface device structure 329 * 330 * This function performs one of the self-tests required by ethtool. 331 * Returns 0 on success, non-zero on failure. 332 */ 333 static u64 ice_link_test(struct net_device *netdev) 334 { 335 struct ice_netdev_priv *np = netdev_priv(netdev); 336 enum ice_status status; 337 bool link_up = false; 338 339 netdev_info(netdev, "link test\n"); 340 status = ice_get_link_status(np->vsi->port_info, &link_up); 341 if (status) { 342 netdev_err(netdev, "link query error, status = %s\n", 343 ice_stat_str(status)); 344 return 1; 345 } 346 347 if (!link_up) 348 return 2; 349 350 return 0; 351 } 352 353 /** 354 * ice_eeprom_test - perform an EEPROM test on a given net_device 355 * @netdev: network interface device structure 356 * 357 * This function performs one of the self-tests required by ethtool. 358 * Returns 0 on success, non-zero on failure. 359 */ 360 static u64 ice_eeprom_test(struct net_device *netdev) 361 { 362 struct ice_netdev_priv *np = netdev_priv(netdev); 363 struct ice_pf *pf = np->vsi->back; 364 365 netdev_info(netdev, "EEPROM test\n"); 366 return !!(ice_nvm_validate_checksum(&pf->hw)); 367 } 368 369 /** 370 * ice_reg_pattern_test 371 * @hw: pointer to the HW struct 372 * @reg: reg to be tested 373 * @mask: bits to be touched 374 */ 375 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 376 { 377 struct ice_pf *pf = (struct ice_pf *)hw->back; 378 struct device *dev = ice_pf_to_dev(pf); 379 static const u32 patterns[] = { 380 0x5A5A5A5A, 0xA5A5A5A5, 381 0x00000000, 0xFFFFFFFF 382 }; 383 u32 val, orig_val; 384 unsigned int i; 385 386 orig_val = rd32(hw, reg); 387 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 388 u32 pattern = patterns[i] & mask; 389 390 wr32(hw, reg, pattern); 391 val = rd32(hw, reg); 392 if (val == pattern) 393 continue; 394 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 395 , __func__, reg, pattern, val); 396 return 1; 397 } 398 399 wr32(hw, reg, orig_val); 400 val = rd32(hw, reg); 401 if (val != orig_val) { 402 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 403 , __func__, reg, orig_val, val); 404 return 1; 405 } 406 407 return 0; 408 } 409 410 /** 411 * ice_reg_test - perform a register test on a given net_device 412 * @netdev: network interface device structure 413 * 414 * This function performs one of the self-tests required by ethtool. 415 * Returns 0 on success, non-zero on failure. 416 */ 417 static u64 ice_reg_test(struct net_device *netdev) 418 { 419 struct ice_netdev_priv *np = netdev_priv(netdev); 420 struct ice_hw *hw = np->vsi->port_info->hw; 421 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 422 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 423 struct ice_diag_reg_test_info { 424 u32 address; 425 u32 mask; 426 u32 elem_num; 427 u32 elem_size; 428 } ice_reg_list[] = { 429 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 430 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 431 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 432 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 433 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 434 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 435 {GLINT_CTL, 0xffff0001, 1, 0} 436 }; 437 unsigned int i; 438 439 netdev_dbg(netdev, "Register test\n"); 440 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 441 u32 j; 442 443 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 444 u32 mask = ice_reg_list[i].mask; 445 u32 reg = ice_reg_list[i].address + 446 (j * ice_reg_list[i].elem_size); 447 448 /* bail on failure (non-zero return) */ 449 if (ice_reg_pattern_test(hw, reg, mask)) 450 return 1; 451 } 452 } 453 454 return 0; 455 } 456 457 /** 458 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 459 * @vsi: pointer to the VSI structure 460 * 461 * Function configures rings of a VSI for loopback test without 462 * enabling interrupts or informing the kernel about new queues. 463 * 464 * Returns 0 on success, negative on failure. 465 */ 466 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 467 { 468 int status; 469 470 status = ice_vsi_setup_tx_rings(vsi); 471 if (status) 472 goto err_setup_tx_ring; 473 474 status = ice_vsi_setup_rx_rings(vsi); 475 if (status) 476 goto err_setup_rx_ring; 477 478 status = ice_vsi_cfg(vsi); 479 if (status) 480 goto err_setup_rx_ring; 481 482 status = ice_vsi_start_all_rx_rings(vsi); 483 if (status) 484 goto err_start_rx_ring; 485 486 return status; 487 488 err_start_rx_ring: 489 ice_vsi_free_rx_rings(vsi); 490 err_setup_rx_ring: 491 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 492 err_setup_tx_ring: 493 ice_vsi_free_tx_rings(vsi); 494 495 return status; 496 } 497 498 /** 499 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 500 * @vsi: pointer to the VSI structure 501 * 502 * Function stops and frees VSI rings after a loopback test. 503 * Returns 0 on success, negative on failure. 504 */ 505 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 506 { 507 int status; 508 509 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 510 if (status) 511 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 512 vsi->vsi_num, status); 513 514 status = ice_vsi_stop_all_rx_rings(vsi); 515 if (status) 516 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 517 vsi->vsi_num, status); 518 519 ice_vsi_free_tx_rings(vsi); 520 ice_vsi_free_rx_rings(vsi); 521 522 return status; 523 } 524 525 /** 526 * ice_lbtest_create_frame - create test packet 527 * @pf: pointer to the PF structure 528 * @ret_data: allocated frame buffer 529 * @size: size of the packet data 530 * 531 * Function allocates a frame with a test pattern on specific offsets. 532 * Returns 0 on success, non-zero on failure. 533 */ 534 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 535 { 536 u8 *data; 537 538 if (!pf) 539 return -EINVAL; 540 541 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 542 if (!data) 543 return -ENOMEM; 544 545 /* Since the ethernet test frame should always be at least 546 * 64 bytes long, fill some octets in the payload with test data. 547 */ 548 memset(data, 0xFF, size); 549 data[32] = 0xDE; 550 data[42] = 0xAD; 551 data[44] = 0xBE; 552 data[46] = 0xEF; 553 554 *ret_data = data; 555 556 return 0; 557 } 558 559 /** 560 * ice_lbtest_check_frame - verify received loopback frame 561 * @frame: pointer to the raw packet data 562 * 563 * Function verifies received test frame with a pattern. 564 * Returns true if frame matches the pattern, false otherwise. 565 */ 566 static bool ice_lbtest_check_frame(u8 *frame) 567 { 568 /* Validate bytes of a frame under offsets chosen earlier */ 569 if (frame[32] == 0xDE && 570 frame[42] == 0xAD && 571 frame[44] == 0xBE && 572 frame[46] == 0xEF && 573 frame[48] == 0xFF) 574 return true; 575 576 return false; 577 } 578 579 /** 580 * ice_diag_send - send test frames to the test ring 581 * @tx_ring: pointer to the transmit ring 582 * @data: pointer to the raw packet data 583 * @size: size of the packet to send 584 * 585 * Function sends loopback packets on a test Tx ring. 586 */ 587 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) 588 { 589 struct ice_tx_desc *tx_desc; 590 struct ice_tx_buf *tx_buf; 591 dma_addr_t dma; 592 u64 td_cmd; 593 594 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 595 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 596 597 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 598 if (dma_mapping_error(tx_ring->dev, dma)) 599 return -EINVAL; 600 601 tx_desc->buf_addr = cpu_to_le64(dma); 602 603 /* These flags are required for a descriptor to be pushed out */ 604 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 605 tx_desc->cmd_type_offset_bsz = 606 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 607 (td_cmd << ICE_TXD_QW1_CMD_S) | 608 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 609 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 610 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 611 612 tx_buf->next_to_watch = tx_desc; 613 614 /* Force memory write to complete before letting h/w know 615 * there are new descriptors to fetch. 616 */ 617 wmb(); 618 619 tx_ring->next_to_use++; 620 if (tx_ring->next_to_use >= tx_ring->count) 621 tx_ring->next_to_use = 0; 622 623 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 624 625 /* Wait until the packets get transmitted to the receive queue. */ 626 usleep_range(1000, 2000); 627 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 628 629 return 0; 630 } 631 632 #define ICE_LB_FRAME_SIZE 64 633 /** 634 * ice_lbtest_receive_frames - receive and verify test frames 635 * @rx_ring: pointer to the receive ring 636 * 637 * Function receives loopback packets and verify their correctness. 638 * Returns number of received valid frames. 639 */ 640 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) 641 { 642 struct ice_rx_buf *rx_buf; 643 int valid_frames, i; 644 u8 *received_buf; 645 646 valid_frames = 0; 647 648 for (i = 0; i < rx_ring->count; i++) { 649 union ice_32b_rx_flex_desc *rx_desc; 650 651 rx_desc = ICE_RX_DESC(rx_ring, i); 652 653 if (!(rx_desc->wb.status_error0 & 654 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 655 continue; 656 657 rx_buf = &rx_ring->rx_buf[i]; 658 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 659 660 if (ice_lbtest_check_frame(received_buf)) 661 valid_frames++; 662 } 663 664 return valid_frames; 665 } 666 667 /** 668 * ice_loopback_test - perform a loopback test on a given net_device 669 * @netdev: network interface device structure 670 * 671 * This function performs one of the self-tests required by ethtool. 672 * Returns 0 on success, non-zero on failure. 673 */ 674 static u64 ice_loopback_test(struct net_device *netdev) 675 { 676 struct ice_netdev_priv *np = netdev_priv(netdev); 677 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 678 struct ice_pf *pf = orig_vsi->back; 679 struct ice_ring *tx_ring, *rx_ring; 680 u8 broadcast[ETH_ALEN], ret = 0; 681 int num_frames, valid_frames; 682 struct device *dev; 683 u8 *tx_frame; 684 int i; 685 686 dev = ice_pf_to_dev(pf); 687 netdev_info(netdev, "loopback test\n"); 688 689 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 690 if (!test_vsi) { 691 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 692 return 1; 693 } 694 695 test_vsi->netdev = netdev; 696 tx_ring = test_vsi->tx_rings[0]; 697 rx_ring = test_vsi->rx_rings[0]; 698 699 if (ice_lbtest_prepare_rings(test_vsi)) { 700 ret = 2; 701 goto lbtest_vsi_close; 702 } 703 704 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 705 ret = 3; 706 goto lbtest_rings_dis; 707 } 708 709 /* Enable MAC loopback in firmware */ 710 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 711 ret = 4; 712 goto lbtest_mac_dis; 713 } 714 715 /* Test VSI needs to receive broadcast packets */ 716 eth_broadcast_addr(broadcast); 717 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 718 ret = 5; 719 goto lbtest_mac_dis; 720 } 721 722 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 723 ret = 7; 724 goto remove_mac_filters; 725 } 726 727 num_frames = min_t(int, tx_ring->count, 32); 728 for (i = 0; i < num_frames; i++) { 729 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 730 ret = 8; 731 goto lbtest_free_frame; 732 } 733 } 734 735 valid_frames = ice_lbtest_receive_frames(rx_ring); 736 if (!valid_frames) 737 ret = 9; 738 else if (valid_frames != num_frames) 739 ret = 10; 740 741 lbtest_free_frame: 742 devm_kfree(dev, tx_frame); 743 remove_mac_filters: 744 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 745 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 746 lbtest_mac_dis: 747 /* Disable MAC loopback after the test is completed. */ 748 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 749 netdev_err(netdev, "Could not disable MAC loopback\n"); 750 lbtest_rings_dis: 751 if (ice_lbtest_disable_rings(test_vsi)) 752 netdev_err(netdev, "Could not disable test rings\n"); 753 lbtest_vsi_close: 754 test_vsi->netdev = NULL; 755 if (ice_vsi_release(test_vsi)) 756 netdev_err(netdev, "Failed to remove the test VSI\n"); 757 758 return ret; 759 } 760 761 /** 762 * ice_intr_test - perform an interrupt test on a given net_device 763 * @netdev: network interface device structure 764 * 765 * This function performs one of the self-tests required by ethtool. 766 * Returns 0 on success, non-zero on failure. 767 */ 768 static u64 ice_intr_test(struct net_device *netdev) 769 { 770 struct ice_netdev_priv *np = netdev_priv(netdev); 771 struct ice_pf *pf = np->vsi->back; 772 u16 swic_old = pf->sw_int_count; 773 774 netdev_info(netdev, "interrupt test\n"); 775 776 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 777 GLINT_DYN_CTL_SW_ITR_INDX_M | 778 GLINT_DYN_CTL_INTENA_MSK_M | 779 GLINT_DYN_CTL_SWINT_TRIG_M); 780 781 usleep_range(1000, 2000); 782 return (swic_old == pf->sw_int_count); 783 } 784 785 /** 786 * ice_self_test - handler function for performing a self-test by ethtool 787 * @netdev: network interface device structure 788 * @eth_test: ethtool_test structure 789 * @data: required by ethtool.self_test 790 * 791 * This function is called after invoking 'ethtool -t devname' command where 792 * devname is the name of the network device on which ethtool should operate. 793 * It performs a set of self-tests to check if a device works properly. 794 */ 795 static void 796 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 797 u64 *data) 798 { 799 struct ice_netdev_priv *np = netdev_priv(netdev); 800 bool if_running = netif_running(netdev); 801 struct ice_pf *pf = np->vsi->back; 802 struct device *dev; 803 804 dev = ice_pf_to_dev(pf); 805 806 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 807 netdev_info(netdev, "offline testing starting\n"); 808 809 set_bit(ICE_TESTING, pf->state); 810 811 if (ice_active_vfs(pf)) { 812 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 813 data[ICE_ETH_TEST_REG] = 1; 814 data[ICE_ETH_TEST_EEPROM] = 1; 815 data[ICE_ETH_TEST_INTR] = 1; 816 data[ICE_ETH_TEST_LOOP] = 1; 817 data[ICE_ETH_TEST_LINK] = 1; 818 eth_test->flags |= ETH_TEST_FL_FAILED; 819 clear_bit(ICE_TESTING, pf->state); 820 goto skip_ol_tests; 821 } 822 /* If the device is online then take it offline */ 823 if (if_running) 824 /* indicate we're in test mode */ 825 ice_stop(netdev); 826 827 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 828 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 829 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 830 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 831 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 832 833 if (data[ICE_ETH_TEST_LINK] || 834 data[ICE_ETH_TEST_EEPROM] || 835 data[ICE_ETH_TEST_LOOP] || 836 data[ICE_ETH_TEST_INTR] || 837 data[ICE_ETH_TEST_REG]) 838 eth_test->flags |= ETH_TEST_FL_FAILED; 839 840 clear_bit(ICE_TESTING, pf->state); 841 842 if (if_running) { 843 int status = ice_open(netdev); 844 845 if (status) { 846 dev_err(dev, "Could not open device %s, err %d\n", 847 pf->int_name, status); 848 } 849 } 850 } else { 851 /* Online tests */ 852 netdev_info(netdev, "online testing starting\n"); 853 854 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 855 if (data[ICE_ETH_TEST_LINK]) 856 eth_test->flags |= ETH_TEST_FL_FAILED; 857 858 /* Offline only tests, not run in online; pass by default */ 859 data[ICE_ETH_TEST_REG] = 0; 860 data[ICE_ETH_TEST_EEPROM] = 0; 861 data[ICE_ETH_TEST_INTR] = 0; 862 data[ICE_ETH_TEST_LOOP] = 0; 863 } 864 865 skip_ol_tests: 866 netdev_info(netdev, "testing finished\n"); 867 } 868 869 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 870 { 871 struct ice_netdev_priv *np = netdev_priv(netdev); 872 struct ice_vsi *vsi = np->vsi; 873 unsigned int i; 874 u8 *p = data; 875 876 switch (stringset) { 877 case ETH_SS_STATS: 878 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 879 ethtool_sprintf(&p, 880 ice_gstrings_vsi_stats[i].stat_string); 881 882 ice_for_each_alloc_txq(vsi, i) { 883 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 884 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 885 } 886 887 ice_for_each_alloc_rxq(vsi, i) { 888 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 889 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 890 } 891 892 if (vsi->type != ICE_VSI_PF) 893 return; 894 895 for (i = 0; i < ICE_PF_STATS_LEN; i++) 896 ethtool_sprintf(&p, 897 ice_gstrings_pf_stats[i].stat_string); 898 899 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 900 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 901 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 902 } 903 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 904 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 905 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 906 } 907 break; 908 case ETH_SS_TEST: 909 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 910 break; 911 case ETH_SS_PRIV_FLAGS: 912 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 913 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 914 break; 915 default: 916 break; 917 } 918 } 919 920 static int 921 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 922 { 923 struct ice_netdev_priv *np = netdev_priv(netdev); 924 bool led_active; 925 926 switch (state) { 927 case ETHTOOL_ID_ACTIVE: 928 led_active = true; 929 break; 930 case ETHTOOL_ID_INACTIVE: 931 led_active = false; 932 break; 933 default: 934 return -EINVAL; 935 } 936 937 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 938 return -EIO; 939 940 return 0; 941 } 942 943 /** 944 * ice_set_fec_cfg - Set link FEC options 945 * @netdev: network interface device structure 946 * @req_fec: FEC mode to configure 947 */ 948 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 949 { 950 struct ice_netdev_priv *np = netdev_priv(netdev); 951 struct ice_aqc_set_phy_cfg_data config = { 0 }; 952 struct ice_vsi *vsi = np->vsi; 953 struct ice_port_info *pi; 954 955 pi = vsi->port_info; 956 if (!pi) 957 return -EOPNOTSUPP; 958 959 /* Changing the FEC parameters is not supported if not the PF VSI */ 960 if (vsi->type != ICE_VSI_PF) { 961 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 962 return -EOPNOTSUPP; 963 } 964 965 /* Proceed only if requesting different FEC mode */ 966 if (pi->phy.curr_user_fec_req == req_fec) 967 return 0; 968 969 /* Copy the current user PHY configuration. The current user PHY 970 * configuration is initialized during probe from PHY capabilities 971 * software mode, and updated on set PHY configuration. 972 */ 973 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 974 975 ice_cfg_phy_fec(pi, &config, req_fec); 976 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 977 978 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 979 return -EAGAIN; 980 981 /* Save requested FEC config */ 982 pi->phy.curr_user_fec_req = req_fec; 983 984 return 0; 985 } 986 987 /** 988 * ice_set_fecparam - Set FEC link options 989 * @netdev: network interface device structure 990 * @fecparam: Ethtool structure to retrieve FEC parameters 991 */ 992 static int 993 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 994 { 995 struct ice_netdev_priv *np = netdev_priv(netdev); 996 struct ice_vsi *vsi = np->vsi; 997 enum ice_fec_mode fec; 998 999 switch (fecparam->fec) { 1000 case ETHTOOL_FEC_AUTO: 1001 fec = ICE_FEC_AUTO; 1002 break; 1003 case ETHTOOL_FEC_RS: 1004 fec = ICE_FEC_RS; 1005 break; 1006 case ETHTOOL_FEC_BASER: 1007 fec = ICE_FEC_BASER; 1008 break; 1009 case ETHTOOL_FEC_OFF: 1010 case ETHTOOL_FEC_NONE: 1011 fec = ICE_FEC_NONE; 1012 break; 1013 default: 1014 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1015 fecparam->fec); 1016 return -EINVAL; 1017 } 1018 1019 return ice_set_fec_cfg(netdev, fec); 1020 } 1021 1022 /** 1023 * ice_get_fecparam - Get link FEC options 1024 * @netdev: network interface device structure 1025 * @fecparam: Ethtool structure to retrieve FEC parameters 1026 */ 1027 static int 1028 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1029 { 1030 struct ice_netdev_priv *np = netdev_priv(netdev); 1031 struct ice_aqc_get_phy_caps_data *caps; 1032 struct ice_link_status *link_info; 1033 struct ice_vsi *vsi = np->vsi; 1034 struct ice_port_info *pi; 1035 enum ice_status status; 1036 int err = 0; 1037 1038 pi = vsi->port_info; 1039 1040 if (!pi) 1041 return -EOPNOTSUPP; 1042 link_info = &pi->phy.link_info; 1043 1044 /* Set FEC mode based on negotiated link info */ 1045 switch (link_info->fec_info) { 1046 case ICE_AQ_LINK_25G_KR_FEC_EN: 1047 fecparam->active_fec = ETHTOOL_FEC_BASER; 1048 break; 1049 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1050 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1051 fecparam->active_fec = ETHTOOL_FEC_RS; 1052 break; 1053 default: 1054 fecparam->active_fec = ETHTOOL_FEC_OFF; 1055 break; 1056 } 1057 1058 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1059 if (!caps) 1060 return -ENOMEM; 1061 1062 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 1063 caps, NULL); 1064 if (status) { 1065 err = -EAGAIN; 1066 goto done; 1067 } 1068 1069 /* Set supported/configured FEC modes based on PHY capability */ 1070 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1071 fecparam->fec |= ETHTOOL_FEC_AUTO; 1072 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1073 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1074 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1075 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1076 fecparam->fec |= ETHTOOL_FEC_BASER; 1077 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1078 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1079 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1080 fecparam->fec |= ETHTOOL_FEC_RS; 1081 if (caps->link_fec_options == 0) 1082 fecparam->fec |= ETHTOOL_FEC_OFF; 1083 1084 done: 1085 kfree(caps); 1086 return err; 1087 } 1088 1089 /** 1090 * ice_nway_reset - restart autonegotiation 1091 * @netdev: network interface device structure 1092 */ 1093 static int ice_nway_reset(struct net_device *netdev) 1094 { 1095 struct ice_netdev_priv *np = netdev_priv(netdev); 1096 struct ice_vsi *vsi = np->vsi; 1097 int err; 1098 1099 /* If VSI state is up, then restart autoneg with link up */ 1100 if (!test_bit(ICE_DOWN, vsi->back->state)) 1101 err = ice_set_link(vsi, true); 1102 else 1103 err = ice_set_link(vsi, false); 1104 1105 return err; 1106 } 1107 1108 /** 1109 * ice_get_priv_flags - report device private flags 1110 * @netdev: network interface device structure 1111 * 1112 * The get string set count and the string set should be matched for each 1113 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1114 * array. 1115 * 1116 * Returns a u32 bitmap of flags. 1117 */ 1118 static u32 ice_get_priv_flags(struct net_device *netdev) 1119 { 1120 struct ice_netdev_priv *np = netdev_priv(netdev); 1121 struct ice_vsi *vsi = np->vsi; 1122 struct ice_pf *pf = vsi->back; 1123 u32 i, ret_flags = 0; 1124 1125 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1126 const struct ice_priv_flag *priv_flag; 1127 1128 priv_flag = &ice_gstrings_priv_flags[i]; 1129 1130 if (test_bit(priv_flag->bitno, pf->flags)) 1131 ret_flags |= BIT(i); 1132 } 1133 1134 return ret_flags; 1135 } 1136 1137 /** 1138 * ice_set_priv_flags - set private flags 1139 * @netdev: network interface device structure 1140 * @flags: bit flags to be set 1141 */ 1142 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1143 { 1144 struct ice_netdev_priv *np = netdev_priv(netdev); 1145 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1146 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1147 struct ice_vsi *vsi = np->vsi; 1148 struct ice_pf *pf = vsi->back; 1149 struct device *dev; 1150 int ret = 0; 1151 u32 i; 1152 1153 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1154 return -EINVAL; 1155 1156 dev = ice_pf_to_dev(pf); 1157 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1158 1159 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1160 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1161 const struct ice_priv_flag *priv_flag; 1162 1163 priv_flag = &ice_gstrings_priv_flags[i]; 1164 1165 if (flags & BIT(i)) 1166 set_bit(priv_flag->bitno, pf->flags); 1167 else 1168 clear_bit(priv_flag->bitno, pf->flags); 1169 } 1170 1171 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1172 1173 /* Do not allow change to link-down-on-close when Total Port Shutdown 1174 * is enabled. 1175 */ 1176 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1177 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1178 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1179 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1180 ret = -EINVAL; 1181 goto ethtool_exit; 1182 } 1183 1184 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1185 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1186 enum ice_status status; 1187 1188 /* Disable FW LLDP engine */ 1189 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1190 1191 /* If unregistering for LLDP events fails, this is 1192 * not an error state, as there shouldn't be any 1193 * events to respond to. 1194 */ 1195 if (status) 1196 dev_info(dev, "Failed to unreg for LLDP events\n"); 1197 1198 /* The AQ call to stop the FW LLDP agent will generate 1199 * an error if the agent is already stopped. 1200 */ 1201 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1202 if (status) 1203 dev_warn(dev, "Fail to stop LLDP agent\n"); 1204 /* Use case for having the FW LLDP agent stopped 1205 * will likely not need DCB, so failure to init is 1206 * not a concern of ethtool 1207 */ 1208 status = ice_init_pf_dcb(pf, true); 1209 if (status) 1210 dev_warn(dev, "Fail to init DCB\n"); 1211 1212 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1213 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1214 } else { 1215 enum ice_status status; 1216 bool dcbx_agent_status; 1217 1218 /* Remove rule to direct LLDP packets to default VSI. 1219 * The FW LLDP engine will now be consuming them. 1220 */ 1221 ice_cfg_sw_lldp(vsi, false, false); 1222 1223 /* AQ command to start FW LLDP agent will return an 1224 * error if the agent is already started 1225 */ 1226 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1227 if (status) 1228 dev_warn(dev, "Fail to start LLDP Agent\n"); 1229 1230 /* AQ command to start FW DCBX agent will fail if 1231 * the agent is already started 1232 */ 1233 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1234 &dcbx_agent_status, 1235 NULL); 1236 if (status) 1237 dev_dbg(dev, "Failed to start FW DCBX\n"); 1238 1239 dev_info(dev, "FW DCBX agent is %s\n", 1240 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1241 1242 /* Failure to configure MIB change or init DCB is not 1243 * relevant to ethtool. Print notification that 1244 * registration/init failed but do not return error 1245 * state to ethtool 1246 */ 1247 status = ice_init_pf_dcb(pf, true); 1248 if (status) 1249 dev_dbg(dev, "Fail to init DCB\n"); 1250 1251 /* Register for MIB change events */ 1252 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1253 if (status) 1254 dev_dbg(dev, "Fail to enable MIB change events\n"); 1255 1256 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1257 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1258 1259 ice_nway_reset(netdev); 1260 } 1261 } 1262 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1263 /* down and up VSI so that changes of Rx cfg are reflected. */ 1264 ice_down(vsi); 1265 ice_up(vsi); 1266 } 1267 /* don't allow modification of this flag when a single VF is in 1268 * promiscuous mode because it's not supported 1269 */ 1270 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1271 ice_is_any_vf_in_promisc(pf)) { 1272 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1273 /* toggle bit back to previous state */ 1274 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1275 ret = -EAGAIN; 1276 } 1277 ethtool_exit: 1278 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1279 return ret; 1280 } 1281 1282 static int ice_get_sset_count(struct net_device *netdev, int sset) 1283 { 1284 switch (sset) { 1285 case ETH_SS_STATS: 1286 /* The number (and order) of strings reported *must* remain 1287 * constant for a given netdevice. This function must not 1288 * report a different number based on run time parameters 1289 * (such as the number of queues in use, or the setting of 1290 * a private ethtool flag). This is due to the nature of the 1291 * ethtool stats API. 1292 * 1293 * Userspace programs such as ethtool must make 3 separate 1294 * ioctl requests, one for size, one for the strings, and 1295 * finally one for the stats. Since these cross into 1296 * userspace, changes to the number or size could result in 1297 * undefined memory access or incorrect string<->value 1298 * correlations for statistics. 1299 * 1300 * Even if it appears to be safe, changes to the size or 1301 * order of strings will suffer from race conditions and are 1302 * not safe. 1303 */ 1304 return ICE_ALL_STATS_LEN(netdev); 1305 case ETH_SS_TEST: 1306 return ICE_TEST_LEN; 1307 case ETH_SS_PRIV_FLAGS: 1308 return ICE_PRIV_FLAG_ARRAY_SIZE; 1309 default: 1310 return -EOPNOTSUPP; 1311 } 1312 } 1313 1314 static void 1315 ice_get_ethtool_stats(struct net_device *netdev, 1316 struct ethtool_stats __always_unused *stats, u64 *data) 1317 { 1318 struct ice_netdev_priv *np = netdev_priv(netdev); 1319 struct ice_vsi *vsi = np->vsi; 1320 struct ice_pf *pf = vsi->back; 1321 struct ice_ring *ring; 1322 unsigned int j; 1323 int i = 0; 1324 char *p; 1325 1326 ice_update_pf_stats(pf); 1327 ice_update_vsi_stats(vsi); 1328 1329 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1330 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1331 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1332 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1333 } 1334 1335 /* populate per queue stats */ 1336 rcu_read_lock(); 1337 1338 ice_for_each_alloc_txq(vsi, j) { 1339 ring = READ_ONCE(vsi->tx_rings[j]); 1340 if (ring) { 1341 data[i++] = ring->stats.pkts; 1342 data[i++] = ring->stats.bytes; 1343 } else { 1344 data[i++] = 0; 1345 data[i++] = 0; 1346 } 1347 } 1348 1349 ice_for_each_alloc_rxq(vsi, j) { 1350 ring = READ_ONCE(vsi->rx_rings[j]); 1351 if (ring) { 1352 data[i++] = ring->stats.pkts; 1353 data[i++] = ring->stats.bytes; 1354 } else { 1355 data[i++] = 0; 1356 data[i++] = 0; 1357 } 1358 } 1359 1360 rcu_read_unlock(); 1361 1362 if (vsi->type != ICE_VSI_PF) 1363 return; 1364 1365 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1366 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1367 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1368 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1369 } 1370 1371 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1372 data[i++] = pf->stats.priority_xon_tx[j]; 1373 data[i++] = pf->stats.priority_xoff_tx[j]; 1374 } 1375 1376 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1377 data[i++] = pf->stats.priority_xon_rx[j]; 1378 data[i++] = pf->stats.priority_xoff_rx[j]; 1379 } 1380 } 1381 1382 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1383 ICE_PHY_TYPE_LOW_100M_SGMII) 1384 1385 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1386 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1387 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1388 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1389 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1390 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1391 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1392 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1393 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1394 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1395 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1396 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1397 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1398 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1399 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1400 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1401 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1402 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1403 1404 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1405 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1406 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1407 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1408 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1409 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1410 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1411 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1412 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1413 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1414 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1415 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1416 ICE_PHY_TYPE_LOW_100GBASE_DR) 1417 1418 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1419 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1420 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1421 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1422 ICE_PHY_TYPE_HIGH_100G_AUI2) 1423 1424 /** 1425 * ice_mask_min_supported_speeds 1426 * @phy_types_high: PHY type high 1427 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1428 * 1429 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1430 * for ethtool supported link mode. 1431 */ 1432 static 1433 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1434 { 1435 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1436 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1437 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1438 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1439 else 1440 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1441 } 1442 1443 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1444 do { \ 1445 if (req_speeds & (aq_link_speed) || \ 1446 (!req_speeds && \ 1447 (advert_phy_type_lo & phy_type_mask_lo || \ 1448 advert_phy_type_hi & phy_type_mask_hi))) \ 1449 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1450 ethtool_link_mode); \ 1451 } while (0) 1452 1453 /** 1454 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1455 * @netdev: network interface device structure 1456 * @ks: ethtool link ksettings struct to fill out 1457 */ 1458 static void 1459 ice_phy_type_to_ethtool(struct net_device *netdev, 1460 struct ethtool_link_ksettings *ks) 1461 { 1462 struct ice_netdev_priv *np = netdev_priv(netdev); 1463 struct ice_vsi *vsi = np->vsi; 1464 struct ice_pf *pf = vsi->back; 1465 u64 advert_phy_type_lo = 0; 1466 u64 advert_phy_type_hi = 0; 1467 u64 phy_type_mask_lo = 0; 1468 u64 phy_type_mask_hi = 0; 1469 u64 phy_types_high = 0; 1470 u64 phy_types_low = 0; 1471 u16 req_speeds; 1472 1473 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1474 1475 /* Check if lenient mode is supported and enabled, or in strict mode. 1476 * 1477 * In lenient mode the Supported link modes are the PHY types without 1478 * media. The Advertising link mode is either 1. the user requested 1479 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1480 * 1481 * In strict mode Supported link mode are the PHY type with media, 1482 * and Advertising link modes are the media PHY type or the speed 1483 * requested by user. 1484 */ 1485 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1486 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1487 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1488 1489 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1490 /* determine advertised modes based on link override only 1491 * if it's supported and if the FW doesn't abstract the 1492 * driver from having to account for link overrides 1493 */ 1494 if (ice_fw_supports_link_override(&pf->hw) && 1495 !ice_fw_supports_report_dflt_cfg(&pf->hw)) { 1496 struct ice_link_default_override_tlv *ldo; 1497 1498 ldo = &pf->link_dflt_override; 1499 /* If override enabled and PHY mask set, then 1500 * Advertising link mode is the intersection of the PHY 1501 * types without media and the override PHY mask. 1502 */ 1503 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1504 (ldo->phy_type_low || ldo->phy_type_high)) { 1505 advert_phy_type_lo = 1506 le64_to_cpu(pf->nvm_phy_type_lo) & 1507 ldo->phy_type_low; 1508 advert_phy_type_hi = 1509 le64_to_cpu(pf->nvm_phy_type_hi) & 1510 ldo->phy_type_high; 1511 } 1512 } 1513 } else { 1514 /* strict mode */ 1515 phy_types_low = vsi->port_info->phy.phy_type_low; 1516 phy_types_high = vsi->port_info->phy.phy_type_high; 1517 } 1518 1519 /* If Advertising link mode PHY type is not using override PHY type, 1520 * then use PHY type with media. 1521 */ 1522 if (!advert_phy_type_lo && !advert_phy_type_hi) { 1523 advert_phy_type_lo = vsi->port_info->phy.phy_type_low; 1524 advert_phy_type_hi = vsi->port_info->phy.phy_type_high; 1525 } 1526 1527 ethtool_link_ksettings_zero_link_mode(ks, supported); 1528 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1529 1530 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1531 ICE_PHY_TYPE_LOW_100M_SGMII; 1532 if (phy_types_low & phy_type_mask_lo) { 1533 ethtool_link_ksettings_add_link_mode(ks, supported, 1534 100baseT_Full); 1535 1536 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1537 100baseT_Full); 1538 } 1539 1540 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1541 ICE_PHY_TYPE_LOW_1G_SGMII; 1542 if (phy_types_low & phy_type_mask_lo) { 1543 ethtool_link_ksettings_add_link_mode(ks, supported, 1544 1000baseT_Full); 1545 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1546 1000baseT_Full); 1547 } 1548 1549 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1550 if (phy_types_low & phy_type_mask_lo) { 1551 ethtool_link_ksettings_add_link_mode(ks, supported, 1552 1000baseKX_Full); 1553 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1554 1000baseKX_Full); 1555 } 1556 1557 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1558 ICE_PHY_TYPE_LOW_1000BASE_LX; 1559 if (phy_types_low & phy_type_mask_lo) { 1560 ethtool_link_ksettings_add_link_mode(ks, supported, 1561 1000baseX_Full); 1562 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1563 1000baseX_Full); 1564 } 1565 1566 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1567 if (phy_types_low & phy_type_mask_lo) { 1568 ethtool_link_ksettings_add_link_mode(ks, supported, 1569 2500baseT_Full); 1570 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1571 2500baseT_Full); 1572 } 1573 1574 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1575 ICE_PHY_TYPE_LOW_2500BASE_KX; 1576 if (phy_types_low & phy_type_mask_lo) { 1577 ethtool_link_ksettings_add_link_mode(ks, supported, 1578 2500baseX_Full); 1579 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1580 2500baseX_Full); 1581 } 1582 1583 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1584 ICE_PHY_TYPE_LOW_5GBASE_KR; 1585 if (phy_types_low & phy_type_mask_lo) { 1586 ethtool_link_ksettings_add_link_mode(ks, supported, 1587 5000baseT_Full); 1588 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1589 5000baseT_Full); 1590 } 1591 1592 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1593 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1594 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1595 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1596 if (phy_types_low & phy_type_mask_lo) { 1597 ethtool_link_ksettings_add_link_mode(ks, supported, 1598 10000baseT_Full); 1599 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1600 10000baseT_Full); 1601 } 1602 1603 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1604 if (phy_types_low & phy_type_mask_lo) { 1605 ethtool_link_ksettings_add_link_mode(ks, supported, 1606 10000baseKR_Full); 1607 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1608 10000baseKR_Full); 1609 } 1610 1611 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1612 if (phy_types_low & phy_type_mask_lo) { 1613 ethtool_link_ksettings_add_link_mode(ks, supported, 1614 10000baseSR_Full); 1615 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1616 10000baseSR_Full); 1617 } 1618 1619 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1620 if (phy_types_low & phy_type_mask_lo) { 1621 ethtool_link_ksettings_add_link_mode(ks, supported, 1622 10000baseLR_Full); 1623 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1624 10000baseLR_Full); 1625 } 1626 1627 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1628 ICE_PHY_TYPE_LOW_25GBASE_CR | 1629 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1630 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1631 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1632 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1633 if (phy_types_low & phy_type_mask_lo) { 1634 ethtool_link_ksettings_add_link_mode(ks, supported, 1635 25000baseCR_Full); 1636 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1637 25000baseCR_Full); 1638 } 1639 1640 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1641 ICE_PHY_TYPE_LOW_25GBASE_LR; 1642 if (phy_types_low & phy_type_mask_lo) { 1643 ethtool_link_ksettings_add_link_mode(ks, supported, 1644 25000baseSR_Full); 1645 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1646 25000baseSR_Full); 1647 } 1648 1649 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1650 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1651 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1652 if (phy_types_low & phy_type_mask_lo) { 1653 ethtool_link_ksettings_add_link_mode(ks, supported, 1654 25000baseKR_Full); 1655 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1656 25000baseKR_Full); 1657 } 1658 1659 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1660 if (phy_types_low & phy_type_mask_lo) { 1661 ethtool_link_ksettings_add_link_mode(ks, supported, 1662 40000baseKR4_Full); 1663 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1664 40000baseKR4_Full); 1665 } 1666 1667 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1668 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1669 ICE_PHY_TYPE_LOW_40G_XLAUI; 1670 if (phy_types_low & phy_type_mask_lo) { 1671 ethtool_link_ksettings_add_link_mode(ks, supported, 1672 40000baseCR4_Full); 1673 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1674 40000baseCR4_Full); 1675 } 1676 1677 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1678 if (phy_types_low & phy_type_mask_lo) { 1679 ethtool_link_ksettings_add_link_mode(ks, supported, 1680 40000baseSR4_Full); 1681 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1682 40000baseSR4_Full); 1683 } 1684 1685 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1686 if (phy_types_low & phy_type_mask_lo) { 1687 ethtool_link_ksettings_add_link_mode(ks, supported, 1688 40000baseLR4_Full); 1689 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1690 40000baseLR4_Full); 1691 } 1692 1693 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1694 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1695 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1696 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1697 ICE_PHY_TYPE_LOW_50G_AUI2 | 1698 ICE_PHY_TYPE_LOW_50GBASE_CP | 1699 ICE_PHY_TYPE_LOW_50GBASE_SR | 1700 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1701 ICE_PHY_TYPE_LOW_50G_AUI1; 1702 if (phy_types_low & phy_type_mask_lo) { 1703 ethtool_link_ksettings_add_link_mode(ks, supported, 1704 50000baseCR2_Full); 1705 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1706 50000baseCR2_Full); 1707 } 1708 1709 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1710 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1711 if (phy_types_low & phy_type_mask_lo) { 1712 ethtool_link_ksettings_add_link_mode(ks, supported, 1713 50000baseKR2_Full); 1714 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1715 50000baseKR2_Full); 1716 } 1717 1718 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1719 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1720 ICE_PHY_TYPE_LOW_50GBASE_FR | 1721 ICE_PHY_TYPE_LOW_50GBASE_LR; 1722 if (phy_types_low & phy_type_mask_lo) { 1723 ethtool_link_ksettings_add_link_mode(ks, supported, 1724 50000baseSR2_Full); 1725 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1726 50000baseSR2_Full); 1727 } 1728 1729 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1730 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1731 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1732 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1733 ICE_PHY_TYPE_LOW_100G_AUI4 | 1734 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1735 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1736 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1737 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1738 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1739 ICE_PHY_TYPE_HIGH_100G_AUI2; 1740 if (phy_types_low & phy_type_mask_lo || 1741 phy_types_high & phy_type_mask_hi) { 1742 ethtool_link_ksettings_add_link_mode(ks, supported, 1743 100000baseCR4_Full); 1744 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1745 100000baseCR4_Full); 1746 } 1747 1748 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1749 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1750 if (phy_types_low & phy_type_mask_lo) { 1751 ethtool_link_ksettings_add_link_mode(ks, supported, 1752 100000baseSR4_Full); 1753 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1754 100000baseSR4_Full); 1755 } 1756 1757 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1758 ICE_PHY_TYPE_LOW_100GBASE_DR; 1759 if (phy_types_low & phy_type_mask_lo) { 1760 ethtool_link_ksettings_add_link_mode(ks, supported, 1761 100000baseLR4_ER4_Full); 1762 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1763 100000baseLR4_ER4_Full); 1764 } 1765 1766 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1767 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1768 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1769 if (phy_types_low & phy_type_mask_lo || 1770 phy_types_high & phy_type_mask_hi) { 1771 ethtool_link_ksettings_add_link_mode(ks, supported, 1772 100000baseKR4_Full); 1773 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1774 100000baseKR4_Full); 1775 } 1776 } 1777 1778 #define TEST_SET_BITS_TIMEOUT 50 1779 #define TEST_SET_BITS_SLEEP_MAX 2000 1780 #define TEST_SET_BITS_SLEEP_MIN 1000 1781 1782 /** 1783 * ice_get_settings_link_up - Get Link settings for when link is up 1784 * @ks: ethtool ksettings to fill in 1785 * @netdev: network interface device structure 1786 */ 1787 static void 1788 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1789 struct net_device *netdev) 1790 { 1791 struct ice_netdev_priv *np = netdev_priv(netdev); 1792 struct ice_port_info *pi = np->vsi->port_info; 1793 struct ice_link_status *link_info; 1794 struct ice_vsi *vsi = np->vsi; 1795 1796 link_info = &vsi->port_info->phy.link_info; 1797 1798 /* Get supported and advertised settings from PHY ability with media */ 1799 ice_phy_type_to_ethtool(netdev, ks); 1800 1801 switch (link_info->link_speed) { 1802 case ICE_AQ_LINK_SPEED_100GB: 1803 ks->base.speed = SPEED_100000; 1804 break; 1805 case ICE_AQ_LINK_SPEED_50GB: 1806 ks->base.speed = SPEED_50000; 1807 break; 1808 case ICE_AQ_LINK_SPEED_40GB: 1809 ks->base.speed = SPEED_40000; 1810 break; 1811 case ICE_AQ_LINK_SPEED_25GB: 1812 ks->base.speed = SPEED_25000; 1813 break; 1814 case ICE_AQ_LINK_SPEED_20GB: 1815 ks->base.speed = SPEED_20000; 1816 break; 1817 case ICE_AQ_LINK_SPEED_10GB: 1818 ks->base.speed = SPEED_10000; 1819 break; 1820 case ICE_AQ_LINK_SPEED_5GB: 1821 ks->base.speed = SPEED_5000; 1822 break; 1823 case ICE_AQ_LINK_SPEED_2500MB: 1824 ks->base.speed = SPEED_2500; 1825 break; 1826 case ICE_AQ_LINK_SPEED_1000MB: 1827 ks->base.speed = SPEED_1000; 1828 break; 1829 case ICE_AQ_LINK_SPEED_100MB: 1830 ks->base.speed = SPEED_100; 1831 break; 1832 default: 1833 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1834 link_info->link_speed); 1835 break; 1836 } 1837 ks->base.duplex = DUPLEX_FULL; 1838 1839 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1840 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1841 Autoneg); 1842 1843 /* Set flow control negotiated Rx/Tx pause */ 1844 switch (pi->fc.current_mode) { 1845 case ICE_FC_FULL: 1846 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1847 break; 1848 case ICE_FC_TX_PAUSE: 1849 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1850 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1851 Asym_Pause); 1852 break; 1853 case ICE_FC_RX_PAUSE: 1854 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1855 Asym_Pause); 1856 break; 1857 case ICE_FC_PFC: 1858 default: 1859 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1860 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1861 Asym_Pause); 1862 break; 1863 } 1864 } 1865 1866 /** 1867 * ice_get_settings_link_down - Get the Link settings when link is down 1868 * @ks: ethtool ksettings to fill in 1869 * @netdev: network interface device structure 1870 * 1871 * Reports link settings that can be determined when link is down 1872 */ 1873 static void 1874 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1875 struct net_device *netdev) 1876 { 1877 /* link is down and the driver needs to fall back on 1878 * supported PHY types to figure out what info to display 1879 */ 1880 ice_phy_type_to_ethtool(netdev, ks); 1881 1882 /* With no link, speed and duplex are unknown */ 1883 ks->base.speed = SPEED_UNKNOWN; 1884 ks->base.duplex = DUPLEX_UNKNOWN; 1885 } 1886 1887 /** 1888 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1889 * @netdev: network interface device structure 1890 * @ks: ethtool ksettings 1891 * 1892 * Reports speed/duplex settings based on media_type 1893 */ 1894 static int 1895 ice_get_link_ksettings(struct net_device *netdev, 1896 struct ethtool_link_ksettings *ks) 1897 { 1898 struct ice_netdev_priv *np = netdev_priv(netdev); 1899 struct ice_aqc_get_phy_caps_data *caps; 1900 struct ice_link_status *hw_link_info; 1901 struct ice_vsi *vsi = np->vsi; 1902 enum ice_status status; 1903 int err = 0; 1904 1905 ethtool_link_ksettings_zero_link_mode(ks, supported); 1906 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1907 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1908 hw_link_info = &vsi->port_info->phy.link_info; 1909 1910 /* set speed and duplex */ 1911 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1912 ice_get_settings_link_up(ks, netdev); 1913 else 1914 ice_get_settings_link_down(ks, netdev); 1915 1916 /* set autoneg settings */ 1917 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1918 AUTONEG_ENABLE : AUTONEG_DISABLE; 1919 1920 /* set media type settings */ 1921 switch (vsi->port_info->phy.media_type) { 1922 case ICE_MEDIA_FIBER: 1923 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1924 ks->base.port = PORT_FIBRE; 1925 break; 1926 case ICE_MEDIA_BASET: 1927 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1928 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1929 ks->base.port = PORT_TP; 1930 break; 1931 case ICE_MEDIA_BACKPLANE: 1932 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1933 ethtool_link_ksettings_add_link_mode(ks, advertising, 1934 Backplane); 1935 ks->base.port = PORT_NONE; 1936 break; 1937 case ICE_MEDIA_DA: 1938 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1939 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1940 ks->base.port = PORT_DA; 1941 break; 1942 default: 1943 ks->base.port = PORT_OTHER; 1944 break; 1945 } 1946 1947 /* flow control is symmetric and always supported */ 1948 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1949 1950 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1951 if (!caps) 1952 return -ENOMEM; 1953 1954 status = ice_aq_get_phy_caps(vsi->port_info, false, 1955 ICE_AQC_REPORT_ACTIVE_CFG, caps, NULL); 1956 if (status) { 1957 err = -EIO; 1958 goto done; 1959 } 1960 1961 /* Set the advertised flow control based on the PHY capability */ 1962 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 1963 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 1964 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 1965 ethtool_link_ksettings_add_link_mode(ks, advertising, 1966 Asym_Pause); 1967 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 1968 ethtool_link_ksettings_add_link_mode(ks, advertising, 1969 Asym_Pause); 1970 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 1971 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 1972 ethtool_link_ksettings_add_link_mode(ks, advertising, 1973 Asym_Pause); 1974 } else { 1975 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 1976 ethtool_link_ksettings_del_link_mode(ks, advertising, 1977 Asym_Pause); 1978 } 1979 1980 /* Set advertised FEC modes based on PHY capability */ 1981 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 1982 1983 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1984 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1985 ethtool_link_ksettings_add_link_mode(ks, advertising, 1986 FEC_BASER); 1987 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1988 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 1989 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 1990 1991 status = ice_aq_get_phy_caps(vsi->port_info, false, 1992 ICE_AQC_REPORT_TOPO_CAP_MEDIA, caps, NULL); 1993 if (status) { 1994 err = -EIO; 1995 goto done; 1996 } 1997 1998 /* Set supported FEC modes based on PHY capability */ 1999 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2000 2001 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2002 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2003 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2004 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2005 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2006 2007 /* Set supported and advertised autoneg */ 2008 if (ice_is_phy_caps_an_enabled(caps)) { 2009 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2010 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2011 } 2012 2013 done: 2014 kfree(caps); 2015 return err; 2016 } 2017 2018 /** 2019 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2020 * @ks: ethtool ksettings 2021 */ 2022 static u16 2023 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2024 { 2025 u16 adv_link_speed = 0; 2026 2027 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2028 100baseT_Full)) 2029 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2030 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2031 1000baseX_Full)) 2032 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2033 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2034 1000baseT_Full) || 2035 ethtool_link_ksettings_test_link_mode(ks, advertising, 2036 1000baseKX_Full)) 2037 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2038 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2039 2500baseT_Full)) 2040 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2041 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2042 2500baseX_Full)) 2043 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2044 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2045 5000baseT_Full)) 2046 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2047 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2048 10000baseT_Full) || 2049 ethtool_link_ksettings_test_link_mode(ks, advertising, 2050 10000baseKR_Full)) 2051 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2052 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2053 10000baseSR_Full) || 2054 ethtool_link_ksettings_test_link_mode(ks, advertising, 2055 10000baseLR_Full)) 2056 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2057 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2058 25000baseCR_Full) || 2059 ethtool_link_ksettings_test_link_mode(ks, advertising, 2060 25000baseSR_Full) || 2061 ethtool_link_ksettings_test_link_mode(ks, advertising, 2062 25000baseKR_Full)) 2063 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2064 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2065 40000baseCR4_Full) || 2066 ethtool_link_ksettings_test_link_mode(ks, advertising, 2067 40000baseSR4_Full) || 2068 ethtool_link_ksettings_test_link_mode(ks, advertising, 2069 40000baseLR4_Full) || 2070 ethtool_link_ksettings_test_link_mode(ks, advertising, 2071 40000baseKR4_Full)) 2072 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2073 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2074 50000baseCR2_Full) || 2075 ethtool_link_ksettings_test_link_mode(ks, advertising, 2076 50000baseKR2_Full)) 2077 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2078 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2079 50000baseSR2_Full)) 2080 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2081 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2082 100000baseCR4_Full) || 2083 ethtool_link_ksettings_test_link_mode(ks, advertising, 2084 100000baseSR4_Full) || 2085 ethtool_link_ksettings_test_link_mode(ks, advertising, 2086 100000baseLR4_ER4_Full) || 2087 ethtool_link_ksettings_test_link_mode(ks, advertising, 2088 100000baseKR4_Full)) 2089 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2090 2091 return adv_link_speed; 2092 } 2093 2094 /** 2095 * ice_setup_autoneg 2096 * @p: port info 2097 * @ks: ethtool_link_ksettings 2098 * @config: configuration that will be sent down to FW 2099 * @autoneg_enabled: autonegotiation is enabled or not 2100 * @autoneg_changed: will there a change in autonegotiation 2101 * @netdev: network interface device structure 2102 * 2103 * Setup PHY autonegotiation feature 2104 */ 2105 static int 2106 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2107 struct ice_aqc_set_phy_cfg_data *config, 2108 u8 autoneg_enabled, u8 *autoneg_changed, 2109 struct net_device *netdev) 2110 { 2111 int err = 0; 2112 2113 *autoneg_changed = 0; 2114 2115 /* Check autoneg */ 2116 if (autoneg_enabled == AUTONEG_ENABLE) { 2117 /* If autoneg was not already enabled */ 2118 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2119 /* If autoneg is not supported, return error */ 2120 if (!ethtool_link_ksettings_test_link_mode(ks, 2121 supported, 2122 Autoneg)) { 2123 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2124 err = -EINVAL; 2125 } else { 2126 /* Autoneg is allowed to change */ 2127 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2128 *autoneg_changed = 1; 2129 } 2130 } 2131 } else { 2132 /* If autoneg is currently enabled */ 2133 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2134 /* If autoneg is supported 10GBASE_T is the only PHY 2135 * that can disable it, so otherwise return error 2136 */ 2137 if (ethtool_link_ksettings_test_link_mode(ks, 2138 supported, 2139 Autoneg)) { 2140 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2141 err = -EINVAL; 2142 } else { 2143 /* Autoneg is allowed to change */ 2144 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2145 *autoneg_changed = 1; 2146 } 2147 } 2148 } 2149 2150 return err; 2151 } 2152 2153 /** 2154 * ice_set_link_ksettings - Set Speed and Duplex 2155 * @netdev: network interface device structure 2156 * @ks: ethtool ksettings 2157 * 2158 * Set speed/duplex per media_types advertised/forced 2159 */ 2160 static int 2161 ice_set_link_ksettings(struct net_device *netdev, 2162 const struct ethtool_link_ksettings *ks) 2163 { 2164 struct ice_netdev_priv *np = netdev_priv(netdev); 2165 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2166 struct ethtool_link_ksettings copy_ks = *ks; 2167 struct ethtool_link_ksettings safe_ks = {}; 2168 struct ice_aqc_get_phy_caps_data *phy_caps; 2169 struct ice_aqc_set_phy_cfg_data config; 2170 u16 adv_link_speed, curr_link_speed; 2171 struct ice_pf *pf = np->vsi->back; 2172 struct ice_port_info *pi; 2173 u8 autoneg_changed = 0; 2174 enum ice_status status; 2175 u64 phy_type_high = 0; 2176 u64 phy_type_low = 0; 2177 int err = 0; 2178 bool linkup; 2179 2180 pi = np->vsi->port_info; 2181 2182 if (!pi) 2183 return -EIO; 2184 2185 if (pi->phy.media_type != ICE_MEDIA_BASET && 2186 pi->phy.media_type != ICE_MEDIA_FIBER && 2187 pi->phy.media_type != ICE_MEDIA_BACKPLANE && 2188 pi->phy.media_type != ICE_MEDIA_DA && 2189 pi->phy.link_info.link_info & ICE_AQ_LINK_UP) 2190 return -EOPNOTSUPP; 2191 2192 phy_caps = kzalloc(sizeof(*phy_caps), GFP_KERNEL); 2193 if (!phy_caps) 2194 return -ENOMEM; 2195 2196 /* Get the PHY capabilities based on media */ 2197 if (ice_fw_supports_report_dflt_cfg(pi->hw)) 2198 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_DFLT_CFG, 2199 phy_caps, NULL); 2200 else 2201 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP_MEDIA, 2202 phy_caps, NULL); 2203 if (status) { 2204 err = -EIO; 2205 goto done; 2206 } 2207 2208 /* save autoneg out of ksettings */ 2209 autoneg = copy_ks.base.autoneg; 2210 2211 /* Get link modes supported by hardware.*/ 2212 ice_phy_type_to_ethtool(netdev, &safe_ks); 2213 2214 /* and check against modes requested by user. 2215 * Return an error if unsupported mode was set. 2216 */ 2217 if (!bitmap_subset(copy_ks.link_modes.advertising, 2218 safe_ks.link_modes.supported, 2219 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2220 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2221 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"); 2222 err = -EOPNOTSUPP; 2223 goto done; 2224 } 2225 2226 /* get our own copy of the bits to check against */ 2227 memset(&safe_ks, 0, sizeof(safe_ks)); 2228 safe_ks.base.cmd = copy_ks.base.cmd; 2229 safe_ks.base.link_mode_masks_nwords = 2230 copy_ks.base.link_mode_masks_nwords; 2231 ice_get_link_ksettings(netdev, &safe_ks); 2232 2233 /* set autoneg back to what it currently is */ 2234 copy_ks.base.autoneg = safe_ks.base.autoneg; 2235 /* we don't compare the speed */ 2236 copy_ks.base.speed = safe_ks.base.speed; 2237 2238 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2239 * trying to set something that we do not support. 2240 */ 2241 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2242 err = -EOPNOTSUPP; 2243 goto done; 2244 } 2245 2246 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2247 timeout--; 2248 if (!timeout) { 2249 err = -EBUSY; 2250 goto done; 2251 } 2252 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2253 } 2254 2255 /* Copy the current user PHY configuration. The current user PHY 2256 * configuration is initialized during probe from PHY capabilities 2257 * software mode, and updated on set PHY configuration. 2258 */ 2259 config = pi->phy.curr_user_phy_cfg; 2260 2261 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2262 2263 /* Check autoneg */ 2264 err = ice_setup_autoneg(pi, &safe_ks, &config, autoneg, &autoneg_changed, 2265 netdev); 2266 2267 if (err) 2268 goto done; 2269 2270 /* Call to get the current link speed */ 2271 pi->phy.get_link_info = true; 2272 status = ice_get_link_status(pi, &linkup); 2273 if (status) { 2274 err = -EIO; 2275 goto done; 2276 } 2277 2278 curr_link_speed = pi->phy.link_info.link_speed; 2279 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2280 2281 /* If speed didn't get set, set it to what it currently is. 2282 * This is needed because if advertise is 0 (as it is when autoneg 2283 * is disabled) then speed won't get set. 2284 */ 2285 if (!adv_link_speed) 2286 adv_link_speed = curr_link_speed; 2287 2288 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2289 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2290 2291 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2292 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2293 goto done; 2294 } 2295 2296 /* save the requested speeds */ 2297 pi->phy.link_info.req_speeds = adv_link_speed; 2298 2299 /* set link and auto negotiation so changes take effect */ 2300 config.caps |= ICE_AQ_PHY_ENA_LINK; 2301 2302 /* check if there is a PHY type for the requested advertised speed */ 2303 if (!(phy_type_low || phy_type_high)) { 2304 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"); 2305 err = -EOPNOTSUPP; 2306 goto done; 2307 } 2308 2309 /* intersect requested advertised speed PHY types with media PHY types 2310 * for set PHY configuration 2311 */ 2312 config.phy_type_high = cpu_to_le64(phy_type_high) & 2313 phy_caps->phy_type_high; 2314 config.phy_type_low = cpu_to_le64(phy_type_low) & 2315 phy_caps->phy_type_low; 2316 2317 if (!(config.phy_type_high || config.phy_type_low)) { 2318 /* If there is no intersection and lenient mode is enabled, then 2319 * intersect the requested advertised speed with NVM media type 2320 * PHY types. 2321 */ 2322 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2323 config.phy_type_high = cpu_to_le64(phy_type_high) & 2324 pf->nvm_phy_type_hi; 2325 config.phy_type_low = cpu_to_le64(phy_type_low) & 2326 pf->nvm_phy_type_lo; 2327 } else { 2328 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"); 2329 err = -EOPNOTSUPP; 2330 goto done; 2331 } 2332 } 2333 2334 /* If link is up put link down */ 2335 if (pi->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2336 /* Tell the OS link is going down, the link will go 2337 * back up when fw says it is ready asynchronously 2338 */ 2339 ice_print_link_msg(np->vsi, false); 2340 netif_carrier_off(netdev); 2341 netif_tx_stop_all_queues(netdev); 2342 } 2343 2344 /* make the aq call */ 2345 status = ice_aq_set_phy_cfg(&pf->hw, pi, &config, NULL); 2346 if (status) { 2347 netdev_info(netdev, "Set phy config failed,\n"); 2348 err = -EIO; 2349 goto done; 2350 } 2351 2352 /* Save speed request */ 2353 pi->phy.curr_user_speed_req = adv_link_speed; 2354 done: 2355 kfree(phy_caps); 2356 clear_bit(ICE_CFG_BUSY, pf->state); 2357 2358 return err; 2359 } 2360 2361 /** 2362 * ice_parse_hdrs - parses headers from RSS hash input 2363 * @nfc: ethtool rxnfc command 2364 * 2365 * This function parses the rxnfc command and returns intended 2366 * header types for RSS configuration 2367 */ 2368 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2369 { 2370 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2371 2372 switch (nfc->flow_type) { 2373 case TCP_V4_FLOW: 2374 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2375 break; 2376 case UDP_V4_FLOW: 2377 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2378 break; 2379 case SCTP_V4_FLOW: 2380 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2381 break; 2382 case TCP_V6_FLOW: 2383 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2384 break; 2385 case UDP_V6_FLOW: 2386 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2387 break; 2388 case SCTP_V6_FLOW: 2389 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2390 break; 2391 default: 2392 break; 2393 } 2394 return hdrs; 2395 } 2396 2397 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2398 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2399 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2400 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2401 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2402 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2403 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2404 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2405 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2406 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2407 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2408 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2409 2410 /** 2411 * ice_parse_hash_flds - parses hash fields from RSS hash input 2412 * @nfc: ethtool rxnfc command 2413 * 2414 * This function parses the rxnfc command and returns intended 2415 * hash fields for RSS configuration 2416 */ 2417 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2418 { 2419 u64 hfld = ICE_HASH_INVALID; 2420 2421 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2422 switch (nfc->flow_type) { 2423 case TCP_V4_FLOW: 2424 case UDP_V4_FLOW: 2425 case SCTP_V4_FLOW: 2426 if (nfc->data & RXH_IP_SRC) 2427 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2428 if (nfc->data & RXH_IP_DST) 2429 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2430 break; 2431 case TCP_V6_FLOW: 2432 case UDP_V6_FLOW: 2433 case SCTP_V6_FLOW: 2434 if (nfc->data & RXH_IP_SRC) 2435 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2436 if (nfc->data & RXH_IP_DST) 2437 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2438 break; 2439 default: 2440 break; 2441 } 2442 } 2443 2444 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2445 switch (nfc->flow_type) { 2446 case TCP_V4_FLOW: 2447 case TCP_V6_FLOW: 2448 if (nfc->data & RXH_L4_B_0_1) 2449 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2450 if (nfc->data & RXH_L4_B_2_3) 2451 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2452 break; 2453 case UDP_V4_FLOW: 2454 case UDP_V6_FLOW: 2455 if (nfc->data & RXH_L4_B_0_1) 2456 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2457 if (nfc->data & RXH_L4_B_2_3) 2458 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2459 break; 2460 case SCTP_V4_FLOW: 2461 case SCTP_V6_FLOW: 2462 if (nfc->data & RXH_L4_B_0_1) 2463 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2464 if (nfc->data & RXH_L4_B_2_3) 2465 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2466 break; 2467 default: 2468 break; 2469 } 2470 } 2471 2472 return hfld; 2473 } 2474 2475 /** 2476 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2477 * @vsi: the VSI being configured 2478 * @nfc: ethtool rxnfc command 2479 * 2480 * Returns Success if the flow input set is supported. 2481 */ 2482 static int 2483 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2484 { 2485 struct ice_pf *pf = vsi->back; 2486 enum ice_status status; 2487 struct device *dev; 2488 u64 hashed_flds; 2489 u32 hdrs; 2490 2491 dev = ice_pf_to_dev(pf); 2492 if (ice_is_safe_mode(pf)) { 2493 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2494 vsi->vsi_num); 2495 return -EINVAL; 2496 } 2497 2498 hashed_flds = ice_parse_hash_flds(nfc); 2499 if (hashed_flds == ICE_HASH_INVALID) { 2500 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2501 vsi->vsi_num); 2502 return -EINVAL; 2503 } 2504 2505 hdrs = ice_parse_hdrs(nfc); 2506 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2507 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2508 vsi->vsi_num); 2509 return -EINVAL; 2510 } 2511 2512 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2513 if (status) { 2514 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2515 vsi->vsi_num, ice_stat_str(status)); 2516 return -EINVAL; 2517 } 2518 2519 return 0; 2520 } 2521 2522 /** 2523 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2524 * @vsi: the VSI being configured 2525 * @nfc: ethtool rxnfc command 2526 */ 2527 static void 2528 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2529 { 2530 struct ice_pf *pf = vsi->back; 2531 struct device *dev; 2532 u64 hash_flds; 2533 u32 hdrs; 2534 2535 dev = ice_pf_to_dev(pf); 2536 2537 nfc->data = 0; 2538 if (ice_is_safe_mode(pf)) { 2539 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2540 vsi->vsi_num); 2541 return; 2542 } 2543 2544 hdrs = ice_parse_hdrs(nfc); 2545 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2546 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2547 vsi->vsi_num); 2548 return; 2549 } 2550 2551 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2552 if (hash_flds == ICE_HASH_INVALID) { 2553 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2554 vsi->vsi_num); 2555 return; 2556 } 2557 2558 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2559 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2560 nfc->data |= (u64)RXH_IP_SRC; 2561 2562 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2563 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2564 nfc->data |= (u64)RXH_IP_DST; 2565 2566 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2567 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2568 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2569 nfc->data |= (u64)RXH_L4_B_0_1; 2570 2571 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2572 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2573 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2574 nfc->data |= (u64)RXH_L4_B_2_3; 2575 } 2576 2577 /** 2578 * ice_set_rxnfc - command to set Rx flow rules. 2579 * @netdev: network interface device structure 2580 * @cmd: ethtool rxnfc command 2581 * 2582 * Returns 0 for success and negative values for errors 2583 */ 2584 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2585 { 2586 struct ice_netdev_priv *np = netdev_priv(netdev); 2587 struct ice_vsi *vsi = np->vsi; 2588 2589 switch (cmd->cmd) { 2590 case ETHTOOL_SRXCLSRLINS: 2591 return ice_add_fdir_ethtool(vsi, cmd); 2592 case ETHTOOL_SRXCLSRLDEL: 2593 return ice_del_fdir_ethtool(vsi, cmd); 2594 case ETHTOOL_SRXFH: 2595 return ice_set_rss_hash_opt(vsi, cmd); 2596 default: 2597 break; 2598 } 2599 return -EOPNOTSUPP; 2600 } 2601 2602 /** 2603 * ice_get_rxnfc - command to get Rx flow classification rules 2604 * @netdev: network interface device structure 2605 * @cmd: ethtool rxnfc command 2606 * @rule_locs: buffer to rturn Rx flow classification rules 2607 * 2608 * Returns Success if the command is supported. 2609 */ 2610 static int 2611 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2612 u32 __always_unused *rule_locs) 2613 { 2614 struct ice_netdev_priv *np = netdev_priv(netdev); 2615 struct ice_vsi *vsi = np->vsi; 2616 int ret = -EOPNOTSUPP; 2617 struct ice_hw *hw; 2618 2619 hw = &vsi->back->hw; 2620 2621 switch (cmd->cmd) { 2622 case ETHTOOL_GRXRINGS: 2623 cmd->data = vsi->rss_size; 2624 ret = 0; 2625 break; 2626 case ETHTOOL_GRXCLSRLCNT: 2627 cmd->rule_cnt = hw->fdir_active_fltr; 2628 /* report total rule count */ 2629 cmd->data = ice_get_fdir_cnt_all(hw); 2630 ret = 0; 2631 break; 2632 case ETHTOOL_GRXCLSRULE: 2633 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2634 break; 2635 case ETHTOOL_GRXCLSRLALL: 2636 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2637 break; 2638 case ETHTOOL_GRXFH: 2639 ice_get_rss_hash_opt(vsi, cmd); 2640 ret = 0; 2641 break; 2642 default: 2643 break; 2644 } 2645 2646 return ret; 2647 } 2648 2649 static void 2650 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2651 { 2652 struct ice_netdev_priv *np = netdev_priv(netdev); 2653 struct ice_vsi *vsi = np->vsi; 2654 2655 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2656 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2657 ring->rx_pending = vsi->rx_rings[0]->count; 2658 ring->tx_pending = vsi->tx_rings[0]->count; 2659 2660 /* Rx mini and jumbo rings are not supported */ 2661 ring->rx_mini_max_pending = 0; 2662 ring->rx_jumbo_max_pending = 0; 2663 ring->rx_mini_pending = 0; 2664 ring->rx_jumbo_pending = 0; 2665 } 2666 2667 static int 2668 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2669 { 2670 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2671 struct ice_netdev_priv *np = netdev_priv(netdev); 2672 struct ice_ring *xdp_rings = NULL; 2673 struct ice_vsi *vsi = np->vsi; 2674 struct ice_pf *pf = vsi->back; 2675 int i, timeout = 50, err = 0; 2676 u16 new_rx_cnt, new_tx_cnt; 2677 2678 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2679 ring->tx_pending < ICE_MIN_NUM_DESC || 2680 ring->rx_pending > ICE_MAX_NUM_DESC || 2681 ring->rx_pending < ICE_MIN_NUM_DESC) { 2682 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2683 ring->tx_pending, ring->rx_pending, 2684 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2685 ICE_REQ_DESC_MULTIPLE); 2686 return -EINVAL; 2687 } 2688 2689 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2690 if (new_tx_cnt != ring->tx_pending) 2691 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2692 new_tx_cnt); 2693 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2694 if (new_rx_cnt != ring->rx_pending) 2695 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2696 new_rx_cnt); 2697 2698 /* if nothing to do return success */ 2699 if (new_tx_cnt == vsi->tx_rings[0]->count && 2700 new_rx_cnt == vsi->rx_rings[0]->count) { 2701 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2702 return 0; 2703 } 2704 2705 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2706 * disallow changing the number of descriptors -- regardless 2707 * if the netdev is running or not. 2708 */ 2709 if (ice_xsk_any_rx_ring_ena(vsi)) 2710 return -EBUSY; 2711 2712 while (test_and_set_bit(ICE_CFG_BUSY, pf->state)) { 2713 timeout--; 2714 if (!timeout) 2715 return -EBUSY; 2716 usleep_range(1000, 2000); 2717 } 2718 2719 /* set for the next time the netdev is started */ 2720 if (!netif_running(vsi->netdev)) { 2721 for (i = 0; i < vsi->alloc_txq; i++) 2722 vsi->tx_rings[i]->count = new_tx_cnt; 2723 for (i = 0; i < vsi->alloc_rxq; i++) 2724 vsi->rx_rings[i]->count = new_rx_cnt; 2725 if (ice_is_xdp_ena_vsi(vsi)) 2726 for (i = 0; i < vsi->num_xdp_txq; i++) 2727 vsi->xdp_rings[i]->count = new_tx_cnt; 2728 vsi->num_tx_desc = (u16)new_tx_cnt; 2729 vsi->num_rx_desc = (u16)new_rx_cnt; 2730 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2731 goto done; 2732 } 2733 2734 if (new_tx_cnt == vsi->tx_rings[0]->count) 2735 goto process_rx; 2736 2737 /* alloc updated Tx resources */ 2738 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2739 vsi->tx_rings[0]->count, new_tx_cnt); 2740 2741 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2742 if (!tx_rings) { 2743 err = -ENOMEM; 2744 goto done; 2745 } 2746 2747 ice_for_each_txq(vsi, i) { 2748 /* clone ring and setup updated count */ 2749 tx_rings[i] = *vsi->tx_rings[i]; 2750 tx_rings[i].count = new_tx_cnt; 2751 tx_rings[i].desc = NULL; 2752 tx_rings[i].tx_buf = NULL; 2753 err = ice_setup_tx_ring(&tx_rings[i]); 2754 if (err) { 2755 while (i--) 2756 ice_clean_tx_ring(&tx_rings[i]); 2757 kfree(tx_rings); 2758 goto done; 2759 } 2760 } 2761 2762 if (!ice_is_xdp_ena_vsi(vsi)) 2763 goto process_rx; 2764 2765 /* alloc updated XDP resources */ 2766 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2767 vsi->xdp_rings[0]->count, new_tx_cnt); 2768 2769 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2770 if (!xdp_rings) { 2771 err = -ENOMEM; 2772 goto free_tx; 2773 } 2774 2775 for (i = 0; i < vsi->num_xdp_txq; i++) { 2776 /* clone ring and setup updated count */ 2777 xdp_rings[i] = *vsi->xdp_rings[i]; 2778 xdp_rings[i].count = new_tx_cnt; 2779 xdp_rings[i].desc = NULL; 2780 xdp_rings[i].tx_buf = NULL; 2781 err = ice_setup_tx_ring(&xdp_rings[i]); 2782 if (err) { 2783 while (i--) 2784 ice_clean_tx_ring(&xdp_rings[i]); 2785 kfree(xdp_rings); 2786 goto free_tx; 2787 } 2788 ice_set_ring_xdp(&xdp_rings[i]); 2789 } 2790 2791 process_rx: 2792 if (new_rx_cnt == vsi->rx_rings[0]->count) 2793 goto process_link; 2794 2795 /* alloc updated Rx resources */ 2796 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2797 vsi->rx_rings[0]->count, new_rx_cnt); 2798 2799 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2800 if (!rx_rings) { 2801 err = -ENOMEM; 2802 goto done; 2803 } 2804 2805 ice_for_each_rxq(vsi, i) { 2806 /* clone ring and setup updated count */ 2807 rx_rings[i] = *vsi->rx_rings[i]; 2808 rx_rings[i].count = new_rx_cnt; 2809 rx_rings[i].desc = NULL; 2810 rx_rings[i].rx_buf = NULL; 2811 /* this is to allow wr32 to have something to write to 2812 * during early allocation of Rx buffers 2813 */ 2814 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2815 2816 err = ice_setup_rx_ring(&rx_rings[i]); 2817 if (err) 2818 goto rx_unwind; 2819 2820 /* allocate Rx buffers */ 2821 err = ice_alloc_rx_bufs(&rx_rings[i], 2822 ICE_DESC_UNUSED(&rx_rings[i])); 2823 rx_unwind: 2824 if (err) { 2825 while (i) { 2826 i--; 2827 ice_free_rx_ring(&rx_rings[i]); 2828 } 2829 kfree(rx_rings); 2830 err = -ENOMEM; 2831 goto free_tx; 2832 } 2833 } 2834 2835 process_link: 2836 /* Bring interface down, copy in the new ring info, then restore the 2837 * interface. if VSI is up, bring it down and then back up 2838 */ 2839 if (!test_and_set_bit(ICE_VSI_DOWN, vsi->state)) { 2840 ice_down(vsi); 2841 2842 if (tx_rings) { 2843 ice_for_each_txq(vsi, i) { 2844 ice_free_tx_ring(vsi->tx_rings[i]); 2845 *vsi->tx_rings[i] = tx_rings[i]; 2846 } 2847 kfree(tx_rings); 2848 } 2849 2850 if (rx_rings) { 2851 ice_for_each_rxq(vsi, i) { 2852 ice_free_rx_ring(vsi->rx_rings[i]); 2853 /* copy the real tail offset */ 2854 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2855 /* this is to fake out the allocation routine 2856 * into thinking it has to realloc everything 2857 * but the recycling logic will let us re-use 2858 * the buffers allocated above 2859 */ 2860 rx_rings[i].next_to_use = 0; 2861 rx_rings[i].next_to_clean = 0; 2862 rx_rings[i].next_to_alloc = 0; 2863 *vsi->rx_rings[i] = rx_rings[i]; 2864 } 2865 kfree(rx_rings); 2866 } 2867 2868 if (xdp_rings) { 2869 for (i = 0; i < vsi->num_xdp_txq; i++) { 2870 ice_free_tx_ring(vsi->xdp_rings[i]); 2871 *vsi->xdp_rings[i] = xdp_rings[i]; 2872 } 2873 kfree(xdp_rings); 2874 } 2875 2876 vsi->num_tx_desc = new_tx_cnt; 2877 vsi->num_rx_desc = new_rx_cnt; 2878 ice_up(vsi); 2879 } 2880 goto done; 2881 2882 free_tx: 2883 /* error cleanup if the Rx allocations failed after getting Tx */ 2884 if (tx_rings) { 2885 ice_for_each_txq(vsi, i) 2886 ice_free_tx_ring(&tx_rings[i]); 2887 kfree(tx_rings); 2888 } 2889 2890 done: 2891 clear_bit(ICE_CFG_BUSY, pf->state); 2892 return err; 2893 } 2894 2895 /** 2896 * ice_get_pauseparam - Get Flow Control status 2897 * @netdev: network interface device structure 2898 * @pause: ethernet pause (flow control) parameters 2899 * 2900 * Get requested flow control status from PHY capability. 2901 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2902 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2903 * the negotiated Rx/Tx pause via lp_advertising. 2904 */ 2905 static void 2906 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2907 { 2908 struct ice_netdev_priv *np = netdev_priv(netdev); 2909 struct ice_port_info *pi = np->vsi->port_info; 2910 struct ice_aqc_get_phy_caps_data *pcaps; 2911 struct ice_dcbx_cfg *dcbx_cfg; 2912 enum ice_status status; 2913 2914 /* Initialize pause params */ 2915 pause->rx_pause = 0; 2916 pause->tx_pause = 0; 2917 2918 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2919 2920 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2921 if (!pcaps) 2922 return; 2923 2924 /* Get current PHY config */ 2925 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 2926 NULL); 2927 if (status) 2928 goto out; 2929 2930 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2931 AUTONEG_DISABLE; 2932 2933 if (dcbx_cfg->pfc.pfcena) 2934 /* PFC enabled so report LFC as off */ 2935 goto out; 2936 2937 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2938 pause->tx_pause = 1; 2939 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2940 pause->rx_pause = 1; 2941 2942 out: 2943 kfree(pcaps); 2944 } 2945 2946 /** 2947 * ice_set_pauseparam - Set Flow Control parameter 2948 * @netdev: network interface device structure 2949 * @pause: return Tx/Rx flow control status 2950 */ 2951 static int 2952 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2953 { 2954 struct ice_netdev_priv *np = netdev_priv(netdev); 2955 struct ice_aqc_get_phy_caps_data *pcaps; 2956 struct ice_link_status *hw_link_info; 2957 struct ice_pf *pf = np->vsi->back; 2958 struct ice_dcbx_cfg *dcbx_cfg; 2959 struct ice_vsi *vsi = np->vsi; 2960 struct ice_hw *hw = &pf->hw; 2961 struct ice_port_info *pi; 2962 enum ice_status status; 2963 u8 aq_failures; 2964 bool link_up; 2965 int err = 0; 2966 u32 is_an; 2967 2968 pi = vsi->port_info; 2969 hw_link_info = &pi->phy.link_info; 2970 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2971 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 2972 2973 /* Changing the port's flow control is not supported if this isn't the 2974 * PF VSI 2975 */ 2976 if (vsi->type != ICE_VSI_PF) { 2977 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 2978 return -EOPNOTSUPP; 2979 } 2980 2981 /* Get pause param reports configured and negotiated flow control pause 2982 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 2983 * defined get pause param pause->autoneg reports SW configured setting, 2984 * so compare pause->autoneg with SW configured to prevent the user from 2985 * using set pause param to chance autoneg. 2986 */ 2987 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2988 if (!pcaps) 2989 return -ENOMEM; 2990 2991 /* Get current PHY config */ 2992 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_ACTIVE_CFG, pcaps, 2993 NULL); 2994 if (status) { 2995 kfree(pcaps); 2996 return -EIO; 2997 } 2998 2999 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3000 AUTONEG_DISABLE; 3001 3002 kfree(pcaps); 3003 3004 if (pause->autoneg != is_an) { 3005 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3006 return -EOPNOTSUPP; 3007 } 3008 3009 /* If we have link and don't have autoneg */ 3010 if (!test_bit(ICE_DOWN, pf->state) && 3011 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3012 /* Send message that it might not necessarily work*/ 3013 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3014 } 3015 3016 if (dcbx_cfg->pfc.pfcena) { 3017 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3018 return -EOPNOTSUPP; 3019 } 3020 if (pause->rx_pause && pause->tx_pause) 3021 pi->fc.req_mode = ICE_FC_FULL; 3022 else if (pause->rx_pause && !pause->tx_pause) 3023 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3024 else if (!pause->rx_pause && pause->tx_pause) 3025 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3026 else if (!pause->rx_pause && !pause->tx_pause) 3027 pi->fc.req_mode = ICE_FC_NONE; 3028 else 3029 return -EINVAL; 3030 3031 /* Set the FC mode and only restart AN if link is up */ 3032 status = ice_set_fc(pi, &aq_failures, link_up); 3033 3034 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3035 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3036 ice_stat_str(status), 3037 ice_aq_str(hw->adminq.sq_last_status)); 3038 err = -EAGAIN; 3039 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3040 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3041 ice_stat_str(status), 3042 ice_aq_str(hw->adminq.sq_last_status)); 3043 err = -EAGAIN; 3044 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3045 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3046 ice_stat_str(status), 3047 ice_aq_str(hw->adminq.sq_last_status)); 3048 err = -EAGAIN; 3049 } 3050 3051 return err; 3052 } 3053 3054 /** 3055 * ice_get_rxfh_key_size - get the RSS hash key size 3056 * @netdev: network interface device structure 3057 * 3058 * Returns the table size. 3059 */ 3060 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3061 { 3062 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3063 } 3064 3065 /** 3066 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3067 * @netdev: network interface device structure 3068 * 3069 * Returns the table size. 3070 */ 3071 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3072 { 3073 struct ice_netdev_priv *np = netdev_priv(netdev); 3074 3075 return np->vsi->rss_table_size; 3076 } 3077 3078 /** 3079 * ice_get_rxfh - get the Rx flow hash indirection table 3080 * @netdev: network interface device structure 3081 * @indir: indirection table 3082 * @key: hash key 3083 * @hfunc: hash function 3084 * 3085 * Reads the indirection table directly from the hardware. 3086 */ 3087 static int 3088 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3089 { 3090 struct ice_netdev_priv *np = netdev_priv(netdev); 3091 struct ice_vsi *vsi = np->vsi; 3092 struct ice_pf *pf = vsi->back; 3093 int err, i; 3094 u8 *lut; 3095 3096 if (hfunc) 3097 *hfunc = ETH_RSS_HASH_TOP; 3098 3099 if (!indir) 3100 return 0; 3101 3102 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3103 /* RSS not supported return error here */ 3104 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3105 return -EIO; 3106 } 3107 3108 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3109 if (!lut) 3110 return -ENOMEM; 3111 3112 err = ice_get_rss_key(vsi, key); 3113 if (err) 3114 goto out; 3115 3116 err = ice_get_rss_lut(vsi, lut, vsi->rss_table_size); 3117 if (err) 3118 goto out; 3119 3120 for (i = 0; i < vsi->rss_table_size; i++) 3121 indir[i] = (u32)(lut[i]); 3122 3123 out: 3124 kfree(lut); 3125 return err; 3126 } 3127 3128 /** 3129 * ice_set_rxfh - set the Rx flow hash indirection table 3130 * @netdev: network interface device structure 3131 * @indir: indirection table 3132 * @key: hash key 3133 * @hfunc: hash function 3134 * 3135 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3136 * returns 0 after programming the table. 3137 */ 3138 static int 3139 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3140 const u8 hfunc) 3141 { 3142 struct ice_netdev_priv *np = netdev_priv(netdev); 3143 struct ice_vsi *vsi = np->vsi; 3144 struct ice_pf *pf = vsi->back; 3145 struct device *dev; 3146 int err; 3147 3148 dev = ice_pf_to_dev(pf); 3149 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3150 return -EOPNOTSUPP; 3151 3152 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3153 /* RSS not supported return error here */ 3154 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3155 return -EIO; 3156 } 3157 3158 if (key) { 3159 if (!vsi->rss_hkey_user) { 3160 vsi->rss_hkey_user = 3161 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3162 GFP_KERNEL); 3163 if (!vsi->rss_hkey_user) 3164 return -ENOMEM; 3165 } 3166 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3167 3168 err = ice_set_rss_key(vsi, vsi->rss_hkey_user); 3169 if (err) 3170 return err; 3171 } 3172 3173 if (!vsi->rss_lut_user) { 3174 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3175 GFP_KERNEL); 3176 if (!vsi->rss_lut_user) 3177 return -ENOMEM; 3178 } 3179 3180 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3181 if (indir) { 3182 int i; 3183 3184 for (i = 0; i < vsi->rss_table_size; i++) 3185 vsi->rss_lut_user[i] = (u8)(indir[i]); 3186 } else { 3187 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3188 vsi->rss_size); 3189 } 3190 3191 err = ice_set_rss_lut(vsi, vsi->rss_lut_user, vsi->rss_table_size); 3192 if (err) 3193 return err; 3194 3195 return 0; 3196 } 3197 3198 static int 3199 ice_get_ts_info(struct net_device *dev, struct ethtool_ts_info *info) 3200 { 3201 struct ice_pf *pf = ice_netdev_to_pf(dev); 3202 3203 /* only report timestamping if PTP is enabled */ 3204 if (!test_bit(ICE_FLAG_PTP, pf->flags)) 3205 return ethtool_op_get_ts_info(dev, info); 3206 3207 info->so_timestamping = SOF_TIMESTAMPING_TX_SOFTWARE | 3208 SOF_TIMESTAMPING_RX_SOFTWARE | 3209 SOF_TIMESTAMPING_SOFTWARE | 3210 SOF_TIMESTAMPING_TX_HARDWARE | 3211 SOF_TIMESTAMPING_RX_HARDWARE | 3212 SOF_TIMESTAMPING_RAW_HARDWARE; 3213 3214 info->phc_index = ice_get_ptp_clock_index(pf); 3215 3216 info->tx_types = BIT(HWTSTAMP_TX_OFF) | BIT(HWTSTAMP_TX_ON); 3217 3218 info->rx_filters = BIT(HWTSTAMP_FILTER_NONE) | BIT(HWTSTAMP_FILTER_ALL); 3219 3220 return 0; 3221 } 3222 3223 /** 3224 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3225 * @pf: PF structure 3226 */ 3227 static int ice_get_max_txq(struct ice_pf *pf) 3228 { 3229 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3230 (u16)pf->hw.func_caps.common_cap.num_txq); 3231 } 3232 3233 /** 3234 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3235 * @pf: PF structure 3236 */ 3237 static int ice_get_max_rxq(struct ice_pf *pf) 3238 { 3239 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3240 (u16)pf->hw.func_caps.common_cap.num_rxq); 3241 } 3242 3243 /** 3244 * ice_get_combined_cnt - return the current number of combined channels 3245 * @vsi: PF VSI pointer 3246 * 3247 * Go through all queue vectors and count ones that have both Rx and Tx ring 3248 * attached 3249 */ 3250 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3251 { 3252 u32 combined = 0; 3253 int q_idx; 3254 3255 ice_for_each_q_vector(vsi, q_idx) { 3256 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3257 3258 if (q_vector->rx.ring && q_vector->tx.ring) 3259 combined++; 3260 } 3261 3262 return combined; 3263 } 3264 3265 /** 3266 * ice_get_channels - get the current and max supported channels 3267 * @dev: network interface device structure 3268 * @ch: ethtool channel data structure 3269 */ 3270 static void 3271 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3272 { 3273 struct ice_netdev_priv *np = netdev_priv(dev); 3274 struct ice_vsi *vsi = np->vsi; 3275 struct ice_pf *pf = vsi->back; 3276 3277 /* report maximum channels */ 3278 ch->max_rx = ice_get_max_rxq(pf); 3279 ch->max_tx = ice_get_max_txq(pf); 3280 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3281 3282 /* report current channels */ 3283 ch->combined_count = ice_get_combined_cnt(vsi); 3284 ch->rx_count = vsi->num_rxq - ch->combined_count; 3285 ch->tx_count = vsi->num_txq - ch->combined_count; 3286 3287 /* report other queues */ 3288 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3289 ch->max_other = ch->other_count; 3290 } 3291 3292 /** 3293 * ice_get_valid_rss_size - return valid number of RSS queues 3294 * @hw: pointer to the HW structure 3295 * @new_size: requested RSS queues 3296 */ 3297 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3298 { 3299 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3300 3301 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3302 } 3303 3304 /** 3305 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3306 * @vsi: VSI to reconfigure RSS LUT on 3307 * @req_rss_size: requested range of queue numbers for hashing 3308 * 3309 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3310 */ 3311 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3312 { 3313 struct ice_pf *pf = vsi->back; 3314 struct device *dev; 3315 struct ice_hw *hw; 3316 int err; 3317 u8 *lut; 3318 3319 dev = ice_pf_to_dev(pf); 3320 hw = &pf->hw; 3321 3322 if (!req_rss_size) 3323 return -EINVAL; 3324 3325 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3326 if (!lut) 3327 return -ENOMEM; 3328 3329 /* set RSS LUT parameters */ 3330 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3331 vsi->rss_size = 1; 3332 else 3333 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3334 3335 /* create/set RSS LUT */ 3336 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3337 err = ice_set_rss_lut(vsi, lut, vsi->rss_table_size); 3338 if (err) 3339 dev_err(dev, "Cannot set RSS lut, err %d aq_err %s\n", err, 3340 ice_aq_str(hw->adminq.sq_last_status)); 3341 3342 kfree(lut); 3343 return err; 3344 } 3345 3346 /** 3347 * ice_set_channels - set the number channels 3348 * @dev: network interface device structure 3349 * @ch: ethtool channel data structure 3350 */ 3351 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3352 { 3353 struct ice_netdev_priv *np = netdev_priv(dev); 3354 struct ice_vsi *vsi = np->vsi; 3355 struct ice_pf *pf = vsi->back; 3356 int new_rx = 0, new_tx = 0; 3357 u32 curr_combined; 3358 3359 /* do not support changing channels in Safe Mode */ 3360 if (ice_is_safe_mode(pf)) { 3361 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3362 return -EOPNOTSUPP; 3363 } 3364 /* do not support changing other_count */ 3365 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3366 return -EINVAL; 3367 3368 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3369 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3370 return -EOPNOTSUPP; 3371 } 3372 3373 curr_combined = ice_get_combined_cnt(vsi); 3374 3375 /* these checks are for cases where user didn't specify a particular 3376 * value on cmd line but we get non-zero value anyway via 3377 * get_channels(); look at ethtool.c in ethtool repository (the user 3378 * space part), particularly, do_schannels() routine 3379 */ 3380 if (ch->rx_count == vsi->num_rxq - curr_combined) 3381 ch->rx_count = 0; 3382 if (ch->tx_count == vsi->num_txq - curr_combined) 3383 ch->tx_count = 0; 3384 if (ch->combined_count == curr_combined) 3385 ch->combined_count = 0; 3386 3387 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3388 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3389 return -EINVAL; 3390 } 3391 3392 new_rx = ch->combined_count + ch->rx_count; 3393 new_tx = ch->combined_count + ch->tx_count; 3394 3395 if (new_rx > ice_get_max_rxq(pf)) { 3396 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3397 ice_get_max_rxq(pf)); 3398 return -EINVAL; 3399 } 3400 if (new_tx > ice_get_max_txq(pf)) { 3401 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3402 ice_get_max_txq(pf)); 3403 return -EINVAL; 3404 } 3405 3406 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3407 3408 if (!netif_is_rxfh_configured(dev)) 3409 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3410 3411 /* Update rss_size due to change in Rx queues */ 3412 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3413 3414 return 0; 3415 } 3416 3417 /** 3418 * ice_get_wol - get current Wake on LAN configuration 3419 * @netdev: network interface device structure 3420 * @wol: Ethtool structure to retrieve WoL settings 3421 */ 3422 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3423 { 3424 struct ice_netdev_priv *np = netdev_priv(netdev); 3425 struct ice_pf *pf = np->vsi->back; 3426 3427 if (np->vsi->type != ICE_VSI_PF) 3428 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3429 3430 /* Get WoL settings based on the HW capability */ 3431 if (ice_is_wol_supported(&pf->hw)) { 3432 wol->supported = WAKE_MAGIC; 3433 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3434 } else { 3435 wol->supported = 0; 3436 wol->wolopts = 0; 3437 } 3438 } 3439 3440 /** 3441 * ice_set_wol - set Wake on LAN on supported device 3442 * @netdev: network interface device structure 3443 * @wol: Ethtool structure to set WoL 3444 */ 3445 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3446 { 3447 struct ice_netdev_priv *np = netdev_priv(netdev); 3448 struct ice_vsi *vsi = np->vsi; 3449 struct ice_pf *pf = vsi->back; 3450 3451 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(&pf->hw)) 3452 return -EOPNOTSUPP; 3453 3454 /* only magic packet is supported */ 3455 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3456 return -EOPNOTSUPP; 3457 3458 /* Set WoL only if there is a new value */ 3459 if (pf->wol_ena != !!wol->wolopts) { 3460 pf->wol_ena = !!wol->wolopts; 3461 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3462 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3463 pf->wol_ena ? "en" : "dis"); 3464 } 3465 3466 return 0; 3467 } 3468 3469 enum ice_container_type { 3470 ICE_RX_CONTAINER, 3471 ICE_TX_CONTAINER, 3472 }; 3473 3474 /** 3475 * ice_get_rc_coalesce - get ITR values for specific ring container 3476 * @ec: ethtool structure to fill with driver's coalesce settings 3477 * @c_type: container type, Rx or Tx 3478 * @rc: ring container that the ITR values will come from 3479 * 3480 * Query the device for ice_ring_container specific ITR values. This is 3481 * done per ice_ring_container because each q_vector can have 1 or more rings 3482 * and all of said ring(s) will have the same ITR values. 3483 * 3484 * Returns 0 on success, negative otherwise. 3485 */ 3486 static int 3487 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3488 struct ice_ring_container *rc) 3489 { 3490 if (!rc->ring) 3491 return -EINVAL; 3492 3493 switch (c_type) { 3494 case ICE_RX_CONTAINER: 3495 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc); 3496 ec->rx_coalesce_usecs = rc->itr_setting; 3497 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3498 break; 3499 case ICE_TX_CONTAINER: 3500 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc); 3501 ec->tx_coalesce_usecs = rc->itr_setting; 3502 break; 3503 default: 3504 dev_dbg(ice_pf_to_dev(rc->ring->vsi->back), "Invalid c_type %d\n", c_type); 3505 return -EINVAL; 3506 } 3507 3508 return 0; 3509 } 3510 3511 /** 3512 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3513 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3514 * @ec: coalesce settings to program the device with 3515 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3516 * 3517 * Return 0 on success, and negative under the following conditions: 3518 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3519 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3520 */ 3521 static int 3522 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3523 { 3524 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3525 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3526 &vsi->rx_rings[q_num]->q_vector->rx)) 3527 return -EINVAL; 3528 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3529 &vsi->tx_rings[q_num]->q_vector->tx)) 3530 return -EINVAL; 3531 } else if (q_num < vsi->num_rxq) { 3532 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3533 &vsi->rx_rings[q_num]->q_vector->rx)) 3534 return -EINVAL; 3535 } else if (q_num < vsi->num_txq) { 3536 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3537 &vsi->tx_rings[q_num]->q_vector->tx)) 3538 return -EINVAL; 3539 } else { 3540 return -EINVAL; 3541 } 3542 3543 return 0; 3544 } 3545 3546 /** 3547 * __ice_get_coalesce - get ITR/INTRL values for the device 3548 * @netdev: pointer to the netdev associated with this query 3549 * @ec: ethtool structure to fill with driver's coalesce settings 3550 * @q_num: queue number to get the coalesce settings for 3551 * 3552 * If the caller passes in a negative q_num then we return coalesce settings 3553 * based on queue number 0, else use the actual q_num passed in. 3554 */ 3555 static int 3556 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3557 int q_num) 3558 { 3559 struct ice_netdev_priv *np = netdev_priv(netdev); 3560 struct ice_vsi *vsi = np->vsi; 3561 3562 if (q_num < 0) 3563 q_num = 0; 3564 3565 if (ice_get_q_coalesce(vsi, ec, q_num)) 3566 return -EINVAL; 3567 3568 return 0; 3569 } 3570 3571 static int 3572 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3573 { 3574 return __ice_get_coalesce(netdev, ec, -1); 3575 } 3576 3577 static int 3578 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3579 struct ethtool_coalesce *ec) 3580 { 3581 return __ice_get_coalesce(netdev, ec, q_num); 3582 } 3583 3584 /** 3585 * ice_set_rc_coalesce - set ITR values for specific ring container 3586 * @c_type: container type, Rx or Tx 3587 * @ec: ethtool structure from user to update ITR settings 3588 * @rc: ring container that the ITR values will come from 3589 * @vsi: VSI associated to the ring container 3590 * 3591 * Set specific ITR values. This is done per ice_ring_container because each 3592 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3593 * ITR values. 3594 * 3595 * Returns 0 on success, negative otherwise. 3596 */ 3597 static int 3598 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3599 struct ice_ring_container *rc, struct ice_vsi *vsi) 3600 { 3601 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3602 u32 use_adaptive_coalesce, coalesce_usecs; 3603 struct ice_pf *pf = vsi->back; 3604 u16 itr_setting; 3605 3606 if (!rc->ring) 3607 return -EINVAL; 3608 3609 switch (c_type) { 3610 case ICE_RX_CONTAINER: 3611 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3612 (ec->rx_coalesce_usecs_high && 3613 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3614 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3615 c_type_str, pf->hw.intrl_gran, 3616 ICE_MAX_INTRL); 3617 return -EINVAL; 3618 } 3619 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl && 3620 (ec->use_adaptive_rx_coalesce || ec->use_adaptive_tx_coalesce)) { 3621 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high cannot be changed if adaptive-tx or adaptive-rx is enabled\n", 3622 c_type_str); 3623 return -EINVAL; 3624 } 3625 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3626 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3627 ice_write_intrl(rc->ring->q_vector, 3628 ec->rx_coalesce_usecs_high); 3629 } 3630 3631 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3632 coalesce_usecs = ec->rx_coalesce_usecs; 3633 3634 break; 3635 case ICE_TX_CONTAINER: 3636 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3637 coalesce_usecs = ec->tx_coalesce_usecs; 3638 3639 break; 3640 default: 3641 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3642 c_type); 3643 return -EINVAL; 3644 } 3645 3646 itr_setting = rc->itr_setting; 3647 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3648 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3649 c_type_str, c_type_str); 3650 return -EINVAL; 3651 } 3652 3653 if (coalesce_usecs > ICE_ITR_MAX) { 3654 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3655 c_type_str, ICE_ITR_MAX); 3656 return -EINVAL; 3657 } 3658 3659 if (use_adaptive_coalesce) { 3660 rc->itr_mode = ITR_DYNAMIC; 3661 } else { 3662 rc->itr_mode = ITR_STATIC; 3663 /* store user facing value how it was set */ 3664 rc->itr_setting = coalesce_usecs; 3665 /* write the change to the register */ 3666 ice_write_itr(rc, coalesce_usecs); 3667 /* force writes to take effect immediately, the flush shouldn't 3668 * be done in the functions above because the intent is for 3669 * them to do lazy writes. 3670 */ 3671 ice_flush(&pf->hw); 3672 } 3673 3674 return 0; 3675 } 3676 3677 /** 3678 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3679 * @vsi: VSI associated to the queue that need updating 3680 * @ec: coalesce settings to program the device with 3681 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3682 * 3683 * Return 0 on success, and negative under the following conditions: 3684 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3685 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3686 */ 3687 static int 3688 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3689 { 3690 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3691 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3692 &vsi->rx_rings[q_num]->q_vector->rx, 3693 vsi)) 3694 return -EINVAL; 3695 3696 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3697 &vsi->tx_rings[q_num]->q_vector->tx, 3698 vsi)) 3699 return -EINVAL; 3700 } else if (q_num < vsi->num_rxq) { 3701 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3702 &vsi->rx_rings[q_num]->q_vector->rx, 3703 vsi)) 3704 return -EINVAL; 3705 } else if (q_num < vsi->num_txq) { 3706 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3707 &vsi->tx_rings[q_num]->q_vector->tx, 3708 vsi)) 3709 return -EINVAL; 3710 } else { 3711 return -EINVAL; 3712 } 3713 3714 return 0; 3715 } 3716 3717 /** 3718 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3719 * @netdev: netdev used for print 3720 * @itr_setting: previous user setting 3721 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3722 * @coalesce_usecs: requested value of [tx|rx]-usecs 3723 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3724 */ 3725 static void 3726 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3727 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3728 const char *c_type_str) 3729 { 3730 if (use_adaptive_coalesce) 3731 return; 3732 3733 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3734 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", 3735 c_type_str, coalesce_usecs, c_type_str, 3736 ITR_REG_ALIGN(coalesce_usecs)); 3737 } 3738 3739 /** 3740 * __ice_set_coalesce - set ITR/INTRL values for the device 3741 * @netdev: pointer to the netdev associated with this query 3742 * @ec: ethtool structure to fill with driver's coalesce settings 3743 * @q_num: queue number to get the coalesce settings for 3744 * 3745 * If the caller passes in a negative q_num then we set the coalesce settings 3746 * for all Tx/Rx queues, else use the actual q_num passed in. 3747 */ 3748 static int 3749 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3750 int q_num) 3751 { 3752 struct ice_netdev_priv *np = netdev_priv(netdev); 3753 struct ice_vsi *vsi = np->vsi; 3754 3755 if (q_num < 0) { 3756 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3757 int v_idx; 3758 3759 if (q_vector) { 3760 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3761 ec->use_adaptive_rx_coalesce, 3762 ec->rx_coalesce_usecs, "rx"); 3763 3764 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3765 ec->use_adaptive_tx_coalesce, 3766 ec->tx_coalesce_usecs, "tx"); 3767 } 3768 3769 ice_for_each_q_vector(vsi, v_idx) { 3770 /* In some cases if DCB is configured the num_[rx|tx]q 3771 * can be less than vsi->num_q_vectors. This check 3772 * accounts for that so we don't report a false failure 3773 */ 3774 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3775 goto set_complete; 3776 3777 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3778 return -EINVAL; 3779 } 3780 goto set_complete; 3781 } 3782 3783 if (ice_set_q_coalesce(vsi, ec, q_num)) 3784 return -EINVAL; 3785 3786 set_complete: 3787 return 0; 3788 } 3789 3790 static int 3791 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3792 { 3793 return __ice_set_coalesce(netdev, ec, -1); 3794 } 3795 3796 static int 3797 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3798 struct ethtool_coalesce *ec) 3799 { 3800 return __ice_set_coalesce(netdev, ec, q_num); 3801 } 3802 3803 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3804 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3805 #define ICE_MODULE_TYPE_SFP 0x03 3806 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3807 #define ICE_MODULE_TYPE_QSFP28 0x11 3808 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3809 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3810 #define ICE_MODULE_REVISION_ADDR 0x01 3811 #define ICE_MODULE_SFF_8472_COMP 0x5E 3812 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3813 #define ICE_MODULE_QSFP_MAX_LEN 640 3814 3815 /** 3816 * ice_get_module_info - get SFF module type and revision information 3817 * @netdev: network interface device structure 3818 * @modinfo: module EEPROM size and layout information structure 3819 */ 3820 static int 3821 ice_get_module_info(struct net_device *netdev, 3822 struct ethtool_modinfo *modinfo) 3823 { 3824 struct ice_netdev_priv *np = netdev_priv(netdev); 3825 struct ice_vsi *vsi = np->vsi; 3826 struct ice_pf *pf = vsi->back; 3827 struct ice_hw *hw = &pf->hw; 3828 enum ice_status status; 3829 u8 sff8472_comp = 0; 3830 u8 sff8472_swap = 0; 3831 u8 sff8636_rev = 0; 3832 u8 value = 0; 3833 3834 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3835 0, &value, 1, 0, NULL); 3836 if (status) 3837 return -EIO; 3838 3839 switch (value) { 3840 case ICE_MODULE_TYPE_SFP: 3841 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3842 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3843 &sff8472_comp, 1, 0, NULL); 3844 if (status) 3845 return -EIO; 3846 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3847 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3848 &sff8472_swap, 1, 0, NULL); 3849 if (status) 3850 return -EIO; 3851 3852 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3853 modinfo->type = ETH_MODULE_SFF_8079; 3854 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3855 } else if (sff8472_comp && 3856 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3857 modinfo->type = ETH_MODULE_SFF_8472; 3858 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3859 } else { 3860 modinfo->type = ETH_MODULE_SFF_8079; 3861 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3862 } 3863 break; 3864 case ICE_MODULE_TYPE_QSFP_PLUS: 3865 case ICE_MODULE_TYPE_QSFP28: 3866 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3867 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3868 &sff8636_rev, 1, 0, NULL); 3869 if (status) 3870 return -EIO; 3871 /* Check revision compliance */ 3872 if (sff8636_rev > 0x02) { 3873 /* Module is SFF-8636 compliant */ 3874 modinfo->type = ETH_MODULE_SFF_8636; 3875 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3876 } else { 3877 modinfo->type = ETH_MODULE_SFF_8436; 3878 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3879 } 3880 break; 3881 default: 3882 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3883 return -EINVAL; 3884 } 3885 return 0; 3886 } 3887 3888 /** 3889 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3890 * @netdev: network interface device structure 3891 * @ee: EEPROM dump request structure 3892 * @data: buffer to be filled with EEPROM contents 3893 */ 3894 static int 3895 ice_get_module_eeprom(struct net_device *netdev, 3896 struct ethtool_eeprom *ee, u8 *data) 3897 { 3898 struct ice_netdev_priv *np = netdev_priv(netdev); 3899 #define SFF_READ_BLOCK_SIZE 8 3900 u8 value[SFF_READ_BLOCK_SIZE] = { 0 }; 3901 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 3902 struct ice_vsi *vsi = np->vsi; 3903 struct ice_pf *pf = vsi->back; 3904 struct ice_hw *hw = &pf->hw; 3905 enum ice_status status; 3906 bool is_sfp = false; 3907 unsigned int i, j; 3908 u16 offset = 0; 3909 u8 page = 0; 3910 3911 if (!ee || !ee->len || !data) 3912 return -EINVAL; 3913 3914 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, value, 1, 0, 3915 NULL); 3916 if (status) 3917 return -EIO; 3918 3919 if (value[0] == ICE_MODULE_TYPE_SFP) 3920 is_sfp = true; 3921 3922 memset(data, 0, ee->len); 3923 for (i = 0; i < ee->len; i += SFF_READ_BLOCK_SIZE) { 3924 offset = i + ee->offset; 3925 page = 0; 3926 3927 /* Check if we need to access the other memory page */ 3928 if (is_sfp) { 3929 if (offset >= ETH_MODULE_SFF_8079_LEN) { 3930 offset -= ETH_MODULE_SFF_8079_LEN; 3931 addr = ICE_I2C_EEPROM_DEV_ADDR2; 3932 } 3933 } else { 3934 while (offset >= ETH_MODULE_SFF_8436_LEN) { 3935 /* Compute memory page number and offset. */ 3936 offset -= ETH_MODULE_SFF_8436_LEN / 2; 3937 page++; 3938 } 3939 } 3940 3941 /* Bit 2 of EEPROM address 0x02 declares upper 3942 * pages are disabled on QSFP modules. 3943 * SFP modules only ever use page 0. 3944 */ 3945 if (page == 0 || !(data[0x2] & 0x4)) { 3946 /* If i2c bus is busy due to slow page change or 3947 * link management access, call can fail. This is normal. 3948 * So we retry this a few times. 3949 */ 3950 for (j = 0; j < 4; j++) { 3951 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 3952 !is_sfp, value, 3953 SFF_READ_BLOCK_SIZE, 3954 0, NULL); 3955 netdev_dbg(netdev, "SFF %02X %02X %02X %X = %02X%02X%02X%02X.%02X%02X%02X%02X (%X)\n", 3956 addr, offset, page, is_sfp, 3957 value[0], value[1], value[2], value[3], 3958 value[4], value[5], value[6], value[7], 3959 status); 3960 if (status) { 3961 usleep_range(1500, 2500); 3962 memset(value, 0, SFF_READ_BLOCK_SIZE); 3963 continue; 3964 } 3965 break; 3966 } 3967 3968 /* Make sure we have enough room for the new block */ 3969 if ((i + SFF_READ_BLOCK_SIZE) < ee->len) 3970 memcpy(data + i, value, SFF_READ_BLOCK_SIZE); 3971 } 3972 } 3973 return 0; 3974 } 3975 3976 static const struct ethtool_ops ice_ethtool_ops = { 3977 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 3978 ETHTOOL_COALESCE_USE_ADAPTIVE | 3979 ETHTOOL_COALESCE_RX_USECS_HIGH, 3980 .get_link_ksettings = ice_get_link_ksettings, 3981 .set_link_ksettings = ice_set_link_ksettings, 3982 .get_drvinfo = ice_get_drvinfo, 3983 .get_regs_len = ice_get_regs_len, 3984 .get_regs = ice_get_regs, 3985 .get_wol = ice_get_wol, 3986 .set_wol = ice_set_wol, 3987 .get_msglevel = ice_get_msglevel, 3988 .set_msglevel = ice_set_msglevel, 3989 .self_test = ice_self_test, 3990 .get_link = ethtool_op_get_link, 3991 .get_eeprom_len = ice_get_eeprom_len, 3992 .get_eeprom = ice_get_eeprom, 3993 .get_coalesce = ice_get_coalesce, 3994 .set_coalesce = ice_set_coalesce, 3995 .get_strings = ice_get_strings, 3996 .set_phys_id = ice_set_phys_id, 3997 .get_ethtool_stats = ice_get_ethtool_stats, 3998 .get_priv_flags = ice_get_priv_flags, 3999 .set_priv_flags = ice_set_priv_flags, 4000 .get_sset_count = ice_get_sset_count, 4001 .get_rxnfc = ice_get_rxnfc, 4002 .set_rxnfc = ice_set_rxnfc, 4003 .get_ringparam = ice_get_ringparam, 4004 .set_ringparam = ice_set_ringparam, 4005 .nway_reset = ice_nway_reset, 4006 .get_pauseparam = ice_get_pauseparam, 4007 .set_pauseparam = ice_set_pauseparam, 4008 .get_rxfh_key_size = ice_get_rxfh_key_size, 4009 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4010 .get_rxfh = ice_get_rxfh, 4011 .set_rxfh = ice_set_rxfh, 4012 .get_channels = ice_get_channels, 4013 .set_channels = ice_set_channels, 4014 .get_ts_info = ice_get_ts_info, 4015 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4016 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4017 .get_fecparam = ice_get_fecparam, 4018 .set_fecparam = ice_set_fecparam, 4019 .get_module_info = ice_get_module_info, 4020 .get_module_eeprom = ice_get_module_eeprom, 4021 }; 4022 4023 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4024 .get_link_ksettings = ice_get_link_ksettings, 4025 .set_link_ksettings = ice_set_link_ksettings, 4026 .get_drvinfo = ice_get_drvinfo, 4027 .get_regs_len = ice_get_regs_len, 4028 .get_regs = ice_get_regs, 4029 .get_wol = ice_get_wol, 4030 .set_wol = ice_set_wol, 4031 .get_msglevel = ice_get_msglevel, 4032 .set_msglevel = ice_set_msglevel, 4033 .get_link = ethtool_op_get_link, 4034 .get_eeprom_len = ice_get_eeprom_len, 4035 .get_eeprom = ice_get_eeprom, 4036 .get_strings = ice_get_strings, 4037 .get_ethtool_stats = ice_get_ethtool_stats, 4038 .get_sset_count = ice_get_sset_count, 4039 .get_ringparam = ice_get_ringparam, 4040 .set_ringparam = ice_set_ringparam, 4041 .nway_reset = ice_nway_reset, 4042 .get_channels = ice_get_channels, 4043 }; 4044 4045 /** 4046 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4047 * @netdev: network interface device structure 4048 */ 4049 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4050 { 4051 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4052 } 4053 4054 /** 4055 * ice_set_ethtool_ops - setup netdev ethtool ops 4056 * @netdev: network interface device structure 4057 * 4058 * setup netdev ethtool ops with ice specific ops 4059 */ 4060 void ice_set_ethtool_ops(struct net_device *netdev) 4061 { 4062 netdev->ethtool_ops = &ice_ethtool_ops; 4063 } 4064