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("rx_gro_dropped", rx_gro_dropped), 64 ICE_VSI_STAT("tx_errors", eth_stats.tx_errors), 65 ICE_VSI_STAT("tx_linearize", tx_linearize), 66 ICE_VSI_STAT("tx_busy", tx_busy), 67 ICE_VSI_STAT("tx_restart", tx_restart), 68 }; 69 70 enum ice_ethtool_test_id { 71 ICE_ETH_TEST_REG = 0, 72 ICE_ETH_TEST_EEPROM, 73 ICE_ETH_TEST_INTR, 74 ICE_ETH_TEST_LOOP, 75 ICE_ETH_TEST_LINK, 76 }; 77 78 static const char ice_gstrings_test[][ETH_GSTRING_LEN] = { 79 "Register test (offline)", 80 "EEPROM test (offline)", 81 "Interrupt test (offline)", 82 "Loopback test (offline)", 83 "Link test (on/offline)", 84 }; 85 86 #define ICE_TEST_LEN (sizeof(ice_gstrings_test) / ETH_GSTRING_LEN) 87 88 /* These PF_STATs might look like duplicates of some NETDEV_STATs, 89 * but they aren't. This device is capable of supporting multiple 90 * VSIs/netdevs on a single PF. The NETDEV_STATs are for individual 91 * netdevs whereas the PF_STATs are for the physical function that's 92 * hosting these netdevs. 93 * 94 * The PF_STATs are appended to the netdev stats only when ethtool -S 95 * is queried on the base PF netdev. 96 */ 97 static const struct ice_stats ice_gstrings_pf_stats[] = { 98 ICE_PF_STAT("rx_bytes.nic", stats.eth.rx_bytes), 99 ICE_PF_STAT("tx_bytes.nic", stats.eth.tx_bytes), 100 ICE_PF_STAT("rx_unicast.nic", stats.eth.rx_unicast), 101 ICE_PF_STAT("tx_unicast.nic", stats.eth.tx_unicast), 102 ICE_PF_STAT("rx_multicast.nic", stats.eth.rx_multicast), 103 ICE_PF_STAT("tx_multicast.nic", stats.eth.tx_multicast), 104 ICE_PF_STAT("rx_broadcast.nic", stats.eth.rx_broadcast), 105 ICE_PF_STAT("tx_broadcast.nic", stats.eth.tx_broadcast), 106 ICE_PF_STAT("tx_errors.nic", stats.eth.tx_errors), 107 ICE_PF_STAT("tx_timeout.nic", tx_timeout_count), 108 ICE_PF_STAT("rx_size_64.nic", stats.rx_size_64), 109 ICE_PF_STAT("tx_size_64.nic", stats.tx_size_64), 110 ICE_PF_STAT("rx_size_127.nic", stats.rx_size_127), 111 ICE_PF_STAT("tx_size_127.nic", stats.tx_size_127), 112 ICE_PF_STAT("rx_size_255.nic", stats.rx_size_255), 113 ICE_PF_STAT("tx_size_255.nic", stats.tx_size_255), 114 ICE_PF_STAT("rx_size_511.nic", stats.rx_size_511), 115 ICE_PF_STAT("tx_size_511.nic", stats.tx_size_511), 116 ICE_PF_STAT("rx_size_1023.nic", stats.rx_size_1023), 117 ICE_PF_STAT("tx_size_1023.nic", stats.tx_size_1023), 118 ICE_PF_STAT("rx_size_1522.nic", stats.rx_size_1522), 119 ICE_PF_STAT("tx_size_1522.nic", stats.tx_size_1522), 120 ICE_PF_STAT("rx_size_big.nic", stats.rx_size_big), 121 ICE_PF_STAT("tx_size_big.nic", stats.tx_size_big), 122 ICE_PF_STAT("link_xon_rx.nic", stats.link_xon_rx), 123 ICE_PF_STAT("link_xon_tx.nic", stats.link_xon_tx), 124 ICE_PF_STAT("link_xoff_rx.nic", stats.link_xoff_rx), 125 ICE_PF_STAT("link_xoff_tx.nic", stats.link_xoff_tx), 126 ICE_PF_STAT("tx_dropped_link_down.nic", stats.tx_dropped_link_down), 127 ICE_PF_STAT("rx_undersize.nic", stats.rx_undersize), 128 ICE_PF_STAT("rx_fragments.nic", stats.rx_fragments), 129 ICE_PF_STAT("rx_oversize.nic", stats.rx_oversize), 130 ICE_PF_STAT("rx_jabber.nic", stats.rx_jabber), 131 ICE_PF_STAT("rx_csum_bad.nic", hw_csum_rx_error), 132 ICE_PF_STAT("rx_length_errors.nic", stats.rx_len_errors), 133 ICE_PF_STAT("rx_dropped.nic", stats.eth.rx_discards), 134 ICE_PF_STAT("rx_crc_errors.nic", stats.crc_errors), 135 ICE_PF_STAT("illegal_bytes.nic", stats.illegal_bytes), 136 ICE_PF_STAT("mac_local_faults.nic", stats.mac_local_faults), 137 ICE_PF_STAT("mac_remote_faults.nic", stats.mac_remote_faults), 138 ICE_PF_STAT("fdir_sb_match.nic", stats.fd_sb_match), 139 ICE_PF_STAT("fdir_sb_status.nic", stats.fd_sb_status), 140 }; 141 142 static const u32 ice_regs_dump_list[] = { 143 PFGEN_STATE, 144 PRTGEN_STATUS, 145 QRX_CTRL(0), 146 QINT_TQCTL(0), 147 QINT_RQCTL(0), 148 PFINT_OICR_ENA, 149 QRX_ITR(0), 150 }; 151 152 struct ice_priv_flag { 153 char name[ETH_GSTRING_LEN]; 154 u32 bitno; /* bit position in pf->flags */ 155 }; 156 157 #define ICE_PRIV_FLAG(_name, _bitno) { \ 158 .name = _name, \ 159 .bitno = _bitno, \ 160 } 161 162 static const struct ice_priv_flag ice_gstrings_priv_flags[] = { 163 ICE_PRIV_FLAG("link-down-on-close", ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA), 164 ICE_PRIV_FLAG("fw-lldp-agent", ICE_FLAG_FW_LLDP_AGENT), 165 ICE_PRIV_FLAG("vf-true-promisc-support", 166 ICE_FLAG_VF_TRUE_PROMISC_ENA), 167 ICE_PRIV_FLAG("mdd-auto-reset-vf", ICE_FLAG_MDD_AUTO_RESET_VF), 168 ICE_PRIV_FLAG("legacy-rx", ICE_FLAG_LEGACY_RX), 169 }; 170 171 #define ICE_PRIV_FLAG_ARRAY_SIZE ARRAY_SIZE(ice_gstrings_priv_flags) 172 173 static void 174 ice_get_drvinfo(struct net_device *netdev, struct ethtool_drvinfo *drvinfo) 175 { 176 struct ice_netdev_priv *np = netdev_priv(netdev); 177 struct ice_vsi *vsi = np->vsi; 178 struct ice_pf *pf = vsi->back; 179 struct ice_hw *hw = &pf->hw; 180 struct ice_orom_info *orom; 181 struct ice_nvm_info *nvm; 182 183 nvm = &hw->flash.nvm; 184 orom = &hw->flash.orom; 185 186 strscpy(drvinfo->driver, KBUILD_MODNAME, sizeof(drvinfo->driver)); 187 188 /* Display NVM version (from which the firmware version can be 189 * determined) which contains more pertinent information. 190 */ 191 snprintf(drvinfo->fw_version, sizeof(drvinfo->fw_version), 192 "%x.%02x 0x%x %d.%d.%d", nvm->major, nvm->minor, 193 nvm->eetrack, orom->major, orom->build, orom->patch); 194 195 strscpy(drvinfo->bus_info, pci_name(pf->pdev), 196 sizeof(drvinfo->bus_info)); 197 drvinfo->n_priv_flags = ICE_PRIV_FLAG_ARRAY_SIZE; 198 } 199 200 static int ice_get_regs_len(struct net_device __always_unused *netdev) 201 { 202 return sizeof(ice_regs_dump_list); 203 } 204 205 static void 206 ice_get_regs(struct net_device *netdev, struct ethtool_regs *regs, void *p) 207 { 208 struct ice_netdev_priv *np = netdev_priv(netdev); 209 struct ice_pf *pf = np->vsi->back; 210 struct ice_hw *hw = &pf->hw; 211 u32 *regs_buf = (u32 *)p; 212 unsigned int i; 213 214 regs->version = 1; 215 216 for (i = 0; i < ARRAY_SIZE(ice_regs_dump_list); ++i) 217 regs_buf[i] = rd32(hw, ice_regs_dump_list[i]); 218 } 219 220 static u32 ice_get_msglevel(struct net_device *netdev) 221 { 222 struct ice_netdev_priv *np = netdev_priv(netdev); 223 struct ice_pf *pf = np->vsi->back; 224 225 #ifndef CONFIG_DYNAMIC_DEBUG 226 if (pf->hw.debug_mask) 227 netdev_info(netdev, "hw debug_mask: 0x%llX\n", 228 pf->hw.debug_mask); 229 #endif /* !CONFIG_DYNAMIC_DEBUG */ 230 231 return pf->msg_enable; 232 } 233 234 static void ice_set_msglevel(struct net_device *netdev, u32 data) 235 { 236 struct ice_netdev_priv *np = netdev_priv(netdev); 237 struct ice_pf *pf = np->vsi->back; 238 239 #ifndef CONFIG_DYNAMIC_DEBUG 240 if (ICE_DBG_USER & data) 241 pf->hw.debug_mask = data; 242 else 243 pf->msg_enable = data; 244 #else 245 pf->msg_enable = data; 246 #endif /* !CONFIG_DYNAMIC_DEBUG */ 247 } 248 249 static int ice_get_eeprom_len(struct net_device *netdev) 250 { 251 struct ice_netdev_priv *np = netdev_priv(netdev); 252 struct ice_pf *pf = np->vsi->back; 253 254 return (int)pf->hw.flash.flash_size; 255 } 256 257 static int 258 ice_get_eeprom(struct net_device *netdev, struct ethtool_eeprom *eeprom, 259 u8 *bytes) 260 { 261 struct ice_netdev_priv *np = netdev_priv(netdev); 262 struct ice_vsi *vsi = np->vsi; 263 struct ice_pf *pf = vsi->back; 264 struct ice_hw *hw = &pf->hw; 265 enum ice_status status; 266 struct device *dev; 267 int ret = 0; 268 u8 *buf; 269 270 dev = ice_pf_to_dev(pf); 271 272 eeprom->magic = hw->vendor_id | (hw->device_id << 16); 273 netdev_dbg(netdev, "GEEPROM cmd 0x%08x, offset 0x%08x, len 0x%08x\n", 274 eeprom->cmd, eeprom->offset, eeprom->len); 275 276 buf = kzalloc(eeprom->len, GFP_KERNEL); 277 if (!buf) 278 return -ENOMEM; 279 280 status = ice_acquire_nvm(hw, ICE_RES_READ); 281 if (status) { 282 dev_err(dev, "ice_acquire_nvm failed, err %s aq_err %s\n", 283 ice_stat_str(status), 284 ice_aq_str(hw->adminq.sq_last_status)); 285 ret = -EIO; 286 goto out; 287 } 288 289 status = ice_read_flat_nvm(hw, eeprom->offset, &eeprom->len, buf, 290 false); 291 if (status) { 292 dev_err(dev, "ice_read_flat_nvm failed, err %s aq_err %s\n", 293 ice_stat_str(status), 294 ice_aq_str(hw->adminq.sq_last_status)); 295 ret = -EIO; 296 goto release; 297 } 298 299 memcpy(bytes, buf, eeprom->len); 300 release: 301 ice_release_nvm(hw); 302 out: 303 kfree(buf); 304 return ret; 305 } 306 307 /** 308 * ice_active_vfs - check if there are any active VFs 309 * @pf: board private structure 310 * 311 * Returns true if an active VF is found, otherwise returns false 312 */ 313 static bool ice_active_vfs(struct ice_pf *pf) 314 { 315 unsigned int i; 316 317 ice_for_each_vf(pf, i) { 318 struct ice_vf *vf = &pf->vf[i]; 319 320 if (test_bit(ICE_VF_STATE_ACTIVE, vf->vf_states)) 321 return true; 322 } 323 324 return false; 325 } 326 327 /** 328 * ice_link_test - perform a link test on a given net_device 329 * @netdev: network interface device structure 330 * 331 * This function performs one of the self-tests required by ethtool. 332 * Returns 0 on success, non-zero on failure. 333 */ 334 static u64 ice_link_test(struct net_device *netdev) 335 { 336 struct ice_netdev_priv *np = netdev_priv(netdev); 337 enum ice_status status; 338 bool link_up = false; 339 340 netdev_info(netdev, "link test\n"); 341 status = ice_get_link_status(np->vsi->port_info, &link_up); 342 if (status) { 343 netdev_err(netdev, "link query error, status = %s\n", 344 ice_stat_str(status)); 345 return 1; 346 } 347 348 if (!link_up) 349 return 2; 350 351 return 0; 352 } 353 354 /** 355 * ice_eeprom_test - perform an EEPROM test on a given net_device 356 * @netdev: network interface device structure 357 * 358 * This function performs one of the self-tests required by ethtool. 359 * Returns 0 on success, non-zero on failure. 360 */ 361 static u64 ice_eeprom_test(struct net_device *netdev) 362 { 363 struct ice_netdev_priv *np = netdev_priv(netdev); 364 struct ice_pf *pf = np->vsi->back; 365 366 netdev_info(netdev, "EEPROM test\n"); 367 return !!(ice_nvm_validate_checksum(&pf->hw)); 368 } 369 370 /** 371 * ice_reg_pattern_test 372 * @hw: pointer to the HW struct 373 * @reg: reg to be tested 374 * @mask: bits to be touched 375 */ 376 static int ice_reg_pattern_test(struct ice_hw *hw, u32 reg, u32 mask) 377 { 378 struct ice_pf *pf = (struct ice_pf *)hw->back; 379 struct device *dev = ice_pf_to_dev(pf); 380 static const u32 patterns[] = { 381 0x5A5A5A5A, 0xA5A5A5A5, 382 0x00000000, 0xFFFFFFFF 383 }; 384 u32 val, orig_val; 385 unsigned int i; 386 387 orig_val = rd32(hw, reg); 388 for (i = 0; i < ARRAY_SIZE(patterns); ++i) { 389 u32 pattern = patterns[i] & mask; 390 391 wr32(hw, reg, pattern); 392 val = rd32(hw, reg); 393 if (val == pattern) 394 continue; 395 dev_err(dev, "%s: reg pattern test failed - reg 0x%08x pat 0x%08x val 0x%08x\n" 396 , __func__, reg, pattern, val); 397 return 1; 398 } 399 400 wr32(hw, reg, orig_val); 401 val = rd32(hw, reg); 402 if (val != orig_val) { 403 dev_err(dev, "%s: reg restore test failed - reg 0x%08x orig 0x%08x val 0x%08x\n" 404 , __func__, reg, orig_val, val); 405 return 1; 406 } 407 408 return 0; 409 } 410 411 /** 412 * ice_reg_test - perform a register test on a given net_device 413 * @netdev: network interface device structure 414 * 415 * This function performs one of the self-tests required by ethtool. 416 * Returns 0 on success, non-zero on failure. 417 */ 418 static u64 ice_reg_test(struct net_device *netdev) 419 { 420 struct ice_netdev_priv *np = netdev_priv(netdev); 421 struct ice_hw *hw = np->vsi->port_info->hw; 422 u32 int_elements = hw->func_caps.common_cap.num_msix_vectors ? 423 hw->func_caps.common_cap.num_msix_vectors - 1 : 1; 424 struct ice_diag_reg_test_info { 425 u32 address; 426 u32 mask; 427 u32 elem_num; 428 u32 elem_size; 429 } ice_reg_list[] = { 430 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 431 GLINT_ITR(0, 1) - GLINT_ITR(0, 0)}, 432 {GLINT_ITR(1, 0), 0x00000fff, int_elements, 433 GLINT_ITR(1, 1) - GLINT_ITR(1, 0)}, 434 {GLINT_ITR(0, 0), 0x00000fff, int_elements, 435 GLINT_ITR(2, 1) - GLINT_ITR(2, 0)}, 436 {GLINT_CTL, 0xffff0001, 1, 0} 437 }; 438 unsigned int i; 439 440 netdev_dbg(netdev, "Register test\n"); 441 for (i = 0; i < ARRAY_SIZE(ice_reg_list); ++i) { 442 u32 j; 443 444 for (j = 0; j < ice_reg_list[i].elem_num; ++j) { 445 u32 mask = ice_reg_list[i].mask; 446 u32 reg = ice_reg_list[i].address + 447 (j * ice_reg_list[i].elem_size); 448 449 /* bail on failure (non-zero return) */ 450 if (ice_reg_pattern_test(hw, reg, mask)) 451 return 1; 452 } 453 } 454 455 return 0; 456 } 457 458 /** 459 * ice_lbtest_prepare_rings - configure Tx/Rx test rings 460 * @vsi: pointer to the VSI structure 461 * 462 * Function configures rings of a VSI for loopback test without 463 * enabling interrupts or informing the kernel about new queues. 464 * 465 * Returns 0 on success, negative on failure. 466 */ 467 static int ice_lbtest_prepare_rings(struct ice_vsi *vsi) 468 { 469 int status; 470 471 status = ice_vsi_setup_tx_rings(vsi); 472 if (status) 473 goto err_setup_tx_ring; 474 475 status = ice_vsi_setup_rx_rings(vsi); 476 if (status) 477 goto err_setup_rx_ring; 478 479 status = ice_vsi_cfg(vsi); 480 if (status) 481 goto err_setup_rx_ring; 482 483 status = ice_vsi_start_all_rx_rings(vsi); 484 if (status) 485 goto err_start_rx_ring; 486 487 return status; 488 489 err_start_rx_ring: 490 ice_vsi_free_rx_rings(vsi); 491 err_setup_rx_ring: 492 ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 493 err_setup_tx_ring: 494 ice_vsi_free_tx_rings(vsi); 495 496 return status; 497 } 498 499 /** 500 * ice_lbtest_disable_rings - disable Tx/Rx test rings after loopback test 501 * @vsi: pointer to the VSI structure 502 * 503 * Function stops and frees VSI rings after a loopback test. 504 * Returns 0 on success, negative on failure. 505 */ 506 static int ice_lbtest_disable_rings(struct ice_vsi *vsi) 507 { 508 int status; 509 510 status = ice_vsi_stop_lan_tx_rings(vsi, ICE_NO_RESET, 0); 511 if (status) 512 netdev_err(vsi->netdev, "Failed to stop Tx rings, VSI %d error %d\n", 513 vsi->vsi_num, status); 514 515 status = ice_vsi_stop_all_rx_rings(vsi); 516 if (status) 517 netdev_err(vsi->netdev, "Failed to stop Rx rings, VSI %d error %d\n", 518 vsi->vsi_num, status); 519 520 ice_vsi_free_tx_rings(vsi); 521 ice_vsi_free_rx_rings(vsi); 522 523 return status; 524 } 525 526 /** 527 * ice_lbtest_create_frame - create test packet 528 * @pf: pointer to the PF structure 529 * @ret_data: allocated frame buffer 530 * @size: size of the packet data 531 * 532 * Function allocates a frame with a test pattern on specific offsets. 533 * Returns 0 on success, non-zero on failure. 534 */ 535 static int ice_lbtest_create_frame(struct ice_pf *pf, u8 **ret_data, u16 size) 536 { 537 u8 *data; 538 539 if (!pf) 540 return -EINVAL; 541 542 data = devm_kzalloc(ice_pf_to_dev(pf), size, GFP_KERNEL); 543 if (!data) 544 return -ENOMEM; 545 546 /* Since the ethernet test frame should always be at least 547 * 64 bytes long, fill some octets in the payload with test data. 548 */ 549 memset(data, 0xFF, size); 550 data[32] = 0xDE; 551 data[42] = 0xAD; 552 data[44] = 0xBE; 553 data[46] = 0xEF; 554 555 *ret_data = data; 556 557 return 0; 558 } 559 560 /** 561 * ice_lbtest_check_frame - verify received loopback frame 562 * @frame: pointer to the raw packet data 563 * 564 * Function verifies received test frame with a pattern. 565 * Returns true if frame matches the pattern, false otherwise. 566 */ 567 static bool ice_lbtest_check_frame(u8 *frame) 568 { 569 /* Validate bytes of a frame under offsets chosen earlier */ 570 if (frame[32] == 0xDE && 571 frame[42] == 0xAD && 572 frame[44] == 0xBE && 573 frame[46] == 0xEF && 574 frame[48] == 0xFF) 575 return true; 576 577 return false; 578 } 579 580 /** 581 * ice_diag_send - send test frames to the test ring 582 * @tx_ring: pointer to the transmit ring 583 * @data: pointer to the raw packet data 584 * @size: size of the packet to send 585 * 586 * Function sends loopback packets on a test Tx ring. 587 */ 588 static int ice_diag_send(struct ice_ring *tx_ring, u8 *data, u16 size) 589 { 590 struct ice_tx_desc *tx_desc; 591 struct ice_tx_buf *tx_buf; 592 dma_addr_t dma; 593 u64 td_cmd; 594 595 tx_desc = ICE_TX_DESC(tx_ring, tx_ring->next_to_use); 596 tx_buf = &tx_ring->tx_buf[tx_ring->next_to_use]; 597 598 dma = dma_map_single(tx_ring->dev, data, size, DMA_TO_DEVICE); 599 if (dma_mapping_error(tx_ring->dev, dma)) 600 return -EINVAL; 601 602 tx_desc->buf_addr = cpu_to_le64(dma); 603 604 /* These flags are required for a descriptor to be pushed out */ 605 td_cmd = (u64)(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS); 606 tx_desc->cmd_type_offset_bsz = 607 cpu_to_le64(ICE_TX_DESC_DTYPE_DATA | 608 (td_cmd << ICE_TXD_QW1_CMD_S) | 609 ((u64)0 << ICE_TXD_QW1_OFFSET_S) | 610 ((u64)size << ICE_TXD_QW1_TX_BUF_SZ_S) | 611 ((u64)0 << ICE_TXD_QW1_L2TAG1_S)); 612 613 tx_buf->next_to_watch = tx_desc; 614 615 /* Force memory write to complete before letting h/w know 616 * there are new descriptors to fetch. 617 */ 618 wmb(); 619 620 tx_ring->next_to_use++; 621 if (tx_ring->next_to_use >= tx_ring->count) 622 tx_ring->next_to_use = 0; 623 624 writel_relaxed(tx_ring->next_to_use, tx_ring->tail); 625 626 /* Wait until the packets get transmitted to the receive queue. */ 627 usleep_range(1000, 2000); 628 dma_unmap_single(tx_ring->dev, dma, size, DMA_TO_DEVICE); 629 630 return 0; 631 } 632 633 #define ICE_LB_FRAME_SIZE 64 634 /** 635 * ice_lbtest_receive_frames - receive and verify test frames 636 * @rx_ring: pointer to the receive ring 637 * 638 * Function receives loopback packets and verify their correctness. 639 * Returns number of received valid frames. 640 */ 641 static int ice_lbtest_receive_frames(struct ice_ring *rx_ring) 642 { 643 struct ice_rx_buf *rx_buf; 644 int valid_frames, i; 645 u8 *received_buf; 646 647 valid_frames = 0; 648 649 for (i = 0; i < rx_ring->count; i++) { 650 union ice_32b_rx_flex_desc *rx_desc; 651 652 rx_desc = ICE_RX_DESC(rx_ring, i); 653 654 if (!(rx_desc->wb.status_error0 & 655 cpu_to_le16(ICE_TX_DESC_CMD_EOP | ICE_TX_DESC_CMD_RS))) 656 continue; 657 658 rx_buf = &rx_ring->rx_buf[i]; 659 received_buf = page_address(rx_buf->page) + rx_buf->page_offset; 660 661 if (ice_lbtest_check_frame(received_buf)) 662 valid_frames++; 663 } 664 665 return valid_frames; 666 } 667 668 /** 669 * ice_loopback_test - perform a loopback test on a given net_device 670 * @netdev: network interface device structure 671 * 672 * This function performs one of the self-tests required by ethtool. 673 * Returns 0 on success, non-zero on failure. 674 */ 675 static u64 ice_loopback_test(struct net_device *netdev) 676 { 677 struct ice_netdev_priv *np = netdev_priv(netdev); 678 struct ice_vsi *orig_vsi = np->vsi, *test_vsi; 679 struct ice_pf *pf = orig_vsi->back; 680 struct ice_ring *tx_ring, *rx_ring; 681 u8 broadcast[ETH_ALEN], ret = 0; 682 int num_frames, valid_frames; 683 struct device *dev; 684 u8 *tx_frame; 685 int i; 686 687 dev = ice_pf_to_dev(pf); 688 netdev_info(netdev, "loopback test\n"); 689 690 test_vsi = ice_lb_vsi_setup(pf, pf->hw.port_info); 691 if (!test_vsi) { 692 netdev_err(netdev, "Failed to create a VSI for the loopback test\n"); 693 return 1; 694 } 695 696 test_vsi->netdev = netdev; 697 tx_ring = test_vsi->tx_rings[0]; 698 rx_ring = test_vsi->rx_rings[0]; 699 700 if (ice_lbtest_prepare_rings(test_vsi)) { 701 ret = 2; 702 goto lbtest_vsi_close; 703 } 704 705 if (ice_alloc_rx_bufs(rx_ring, rx_ring->count)) { 706 ret = 3; 707 goto lbtest_rings_dis; 708 } 709 710 /* Enable MAC loopback in firmware */ 711 if (ice_aq_set_mac_loopback(&pf->hw, true, NULL)) { 712 ret = 4; 713 goto lbtest_mac_dis; 714 } 715 716 /* Test VSI needs to receive broadcast packets */ 717 eth_broadcast_addr(broadcast); 718 if (ice_fltr_add_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) { 719 ret = 5; 720 goto lbtest_mac_dis; 721 } 722 723 if (ice_lbtest_create_frame(pf, &tx_frame, ICE_LB_FRAME_SIZE)) { 724 ret = 7; 725 goto remove_mac_filters; 726 } 727 728 num_frames = min_t(int, tx_ring->count, 32); 729 for (i = 0; i < num_frames; i++) { 730 if (ice_diag_send(tx_ring, tx_frame, ICE_LB_FRAME_SIZE)) { 731 ret = 8; 732 goto lbtest_free_frame; 733 } 734 } 735 736 valid_frames = ice_lbtest_receive_frames(rx_ring); 737 if (!valid_frames) 738 ret = 9; 739 else if (valid_frames != num_frames) 740 ret = 10; 741 742 lbtest_free_frame: 743 devm_kfree(dev, tx_frame); 744 remove_mac_filters: 745 if (ice_fltr_remove_mac(test_vsi, broadcast, ICE_FWD_TO_VSI)) 746 netdev_err(netdev, "Could not remove MAC filter for the test VSI\n"); 747 lbtest_mac_dis: 748 /* Disable MAC loopback after the test is completed. */ 749 if (ice_aq_set_mac_loopback(&pf->hw, false, NULL)) 750 netdev_err(netdev, "Could not disable MAC loopback\n"); 751 lbtest_rings_dis: 752 if (ice_lbtest_disable_rings(test_vsi)) 753 netdev_err(netdev, "Could not disable test rings\n"); 754 lbtest_vsi_close: 755 test_vsi->netdev = NULL; 756 if (ice_vsi_release(test_vsi)) 757 netdev_err(netdev, "Failed to remove the test VSI\n"); 758 759 return ret; 760 } 761 762 /** 763 * ice_intr_test - perform an interrupt test on a given net_device 764 * @netdev: network interface device structure 765 * 766 * This function performs one of the self-tests required by ethtool. 767 * Returns 0 on success, non-zero on failure. 768 */ 769 static u64 ice_intr_test(struct net_device *netdev) 770 { 771 struct ice_netdev_priv *np = netdev_priv(netdev); 772 struct ice_pf *pf = np->vsi->back; 773 u16 swic_old = pf->sw_int_count; 774 775 netdev_info(netdev, "interrupt test\n"); 776 777 wr32(&pf->hw, GLINT_DYN_CTL(pf->oicr_idx), 778 GLINT_DYN_CTL_SW_ITR_INDX_M | 779 GLINT_DYN_CTL_INTENA_MSK_M | 780 GLINT_DYN_CTL_SWINT_TRIG_M); 781 782 usleep_range(1000, 2000); 783 return (swic_old == pf->sw_int_count); 784 } 785 786 /** 787 * ice_self_test - handler function for performing a self-test by ethtool 788 * @netdev: network interface device structure 789 * @eth_test: ethtool_test structure 790 * @data: required by ethtool.self_test 791 * 792 * This function is called after invoking 'ethtool -t devname' command where 793 * devname is the name of the network device on which ethtool should operate. 794 * It performs a set of self-tests to check if a device works properly. 795 */ 796 static void 797 ice_self_test(struct net_device *netdev, struct ethtool_test *eth_test, 798 u64 *data) 799 { 800 struct ice_netdev_priv *np = netdev_priv(netdev); 801 bool if_running = netif_running(netdev); 802 struct ice_pf *pf = np->vsi->back; 803 struct device *dev; 804 805 dev = ice_pf_to_dev(pf); 806 807 if (eth_test->flags == ETH_TEST_FL_OFFLINE) { 808 netdev_info(netdev, "offline testing starting\n"); 809 810 set_bit(__ICE_TESTING, pf->state); 811 812 if (ice_active_vfs(pf)) { 813 dev_warn(dev, "Please take active VFs and Netqueues offline and restart the adapter before running NIC diagnostics\n"); 814 data[ICE_ETH_TEST_REG] = 1; 815 data[ICE_ETH_TEST_EEPROM] = 1; 816 data[ICE_ETH_TEST_INTR] = 1; 817 data[ICE_ETH_TEST_LOOP] = 1; 818 data[ICE_ETH_TEST_LINK] = 1; 819 eth_test->flags |= ETH_TEST_FL_FAILED; 820 clear_bit(__ICE_TESTING, pf->state); 821 goto skip_ol_tests; 822 } 823 /* If the device is online then take it offline */ 824 if (if_running) 825 /* indicate we're in test mode */ 826 ice_stop(netdev); 827 828 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 829 data[ICE_ETH_TEST_EEPROM] = ice_eeprom_test(netdev); 830 data[ICE_ETH_TEST_INTR] = ice_intr_test(netdev); 831 data[ICE_ETH_TEST_LOOP] = ice_loopback_test(netdev); 832 data[ICE_ETH_TEST_REG] = ice_reg_test(netdev); 833 834 if (data[ICE_ETH_TEST_LINK] || 835 data[ICE_ETH_TEST_EEPROM] || 836 data[ICE_ETH_TEST_LOOP] || 837 data[ICE_ETH_TEST_INTR] || 838 data[ICE_ETH_TEST_REG]) 839 eth_test->flags |= ETH_TEST_FL_FAILED; 840 841 clear_bit(__ICE_TESTING, pf->state); 842 843 if (if_running) { 844 int status = ice_open(netdev); 845 846 if (status) { 847 dev_err(dev, "Could not open device %s, err %d\n", 848 pf->int_name, status); 849 } 850 } 851 } else { 852 /* Online tests */ 853 netdev_info(netdev, "online testing starting\n"); 854 855 data[ICE_ETH_TEST_LINK] = ice_link_test(netdev); 856 if (data[ICE_ETH_TEST_LINK]) 857 eth_test->flags |= ETH_TEST_FL_FAILED; 858 859 /* Offline only tests, not run in online; pass by default */ 860 data[ICE_ETH_TEST_REG] = 0; 861 data[ICE_ETH_TEST_EEPROM] = 0; 862 data[ICE_ETH_TEST_INTR] = 0; 863 data[ICE_ETH_TEST_LOOP] = 0; 864 } 865 866 skip_ol_tests: 867 netdev_info(netdev, "testing finished\n"); 868 } 869 870 static void ice_get_strings(struct net_device *netdev, u32 stringset, u8 *data) 871 { 872 struct ice_netdev_priv *np = netdev_priv(netdev); 873 struct ice_vsi *vsi = np->vsi; 874 char *p = (char *)data; 875 unsigned int i; 876 877 switch (stringset) { 878 case ETH_SS_STATS: 879 for (i = 0; i < ICE_VSI_STATS_LEN; i++) { 880 snprintf(p, ETH_GSTRING_LEN, "%s", 881 ice_gstrings_vsi_stats[i].stat_string); 882 p += ETH_GSTRING_LEN; 883 } 884 885 ice_for_each_alloc_txq(vsi, i) { 886 snprintf(p, ETH_GSTRING_LEN, 887 "tx_queue_%u_packets", i); 888 p += ETH_GSTRING_LEN; 889 snprintf(p, ETH_GSTRING_LEN, "tx_queue_%u_bytes", i); 890 p += ETH_GSTRING_LEN; 891 } 892 893 ice_for_each_alloc_rxq(vsi, i) { 894 snprintf(p, ETH_GSTRING_LEN, 895 "rx_queue_%u_packets", i); 896 p += ETH_GSTRING_LEN; 897 snprintf(p, ETH_GSTRING_LEN, "rx_queue_%u_bytes", i); 898 p += ETH_GSTRING_LEN; 899 } 900 901 if (vsi->type != ICE_VSI_PF) 902 return; 903 904 for (i = 0; i < ICE_PF_STATS_LEN; i++) { 905 snprintf(p, ETH_GSTRING_LEN, "%s", 906 ice_gstrings_pf_stats[i].stat_string); 907 p += ETH_GSTRING_LEN; 908 } 909 910 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 911 snprintf(p, ETH_GSTRING_LEN, 912 "tx_priority_%u_xon.nic", i); 913 p += ETH_GSTRING_LEN; 914 snprintf(p, ETH_GSTRING_LEN, 915 "tx_priority_%u_xoff.nic", i); 916 p += ETH_GSTRING_LEN; 917 } 918 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 919 snprintf(p, ETH_GSTRING_LEN, 920 "rx_priority_%u_xon.nic", i); 921 p += ETH_GSTRING_LEN; 922 snprintf(p, ETH_GSTRING_LEN, 923 "rx_priority_%u_xoff.nic", i); 924 p += ETH_GSTRING_LEN; 925 } 926 break; 927 case ETH_SS_TEST: 928 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 929 break; 930 case ETH_SS_PRIV_FLAGS: 931 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 932 snprintf(p, ETH_GSTRING_LEN, "%s", 933 ice_gstrings_priv_flags[i].name); 934 p += ETH_GSTRING_LEN; 935 } 936 break; 937 default: 938 break; 939 } 940 } 941 942 static int 943 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 944 { 945 struct ice_netdev_priv *np = netdev_priv(netdev); 946 bool led_active; 947 948 switch (state) { 949 case ETHTOOL_ID_ACTIVE: 950 led_active = true; 951 break; 952 case ETHTOOL_ID_INACTIVE: 953 led_active = false; 954 break; 955 default: 956 return -EINVAL; 957 } 958 959 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 960 return -EIO; 961 962 return 0; 963 } 964 965 /** 966 * ice_set_fec_cfg - Set link FEC options 967 * @netdev: network interface device structure 968 * @req_fec: FEC mode to configure 969 */ 970 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 971 { 972 struct ice_netdev_priv *np = netdev_priv(netdev); 973 struct ice_aqc_set_phy_cfg_data config = { 0 }; 974 struct ice_vsi *vsi = np->vsi; 975 struct ice_port_info *pi; 976 977 pi = vsi->port_info; 978 if (!pi) 979 return -EOPNOTSUPP; 980 981 /* Changing the FEC parameters is not supported if not the PF VSI */ 982 if (vsi->type != ICE_VSI_PF) { 983 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 984 return -EOPNOTSUPP; 985 } 986 987 /* Proceed only if requesting different FEC mode */ 988 if (pi->phy.curr_user_fec_req == req_fec) 989 return 0; 990 991 /* Copy the current user PHY configuration. The current user PHY 992 * configuration is initialized during probe from PHY capabilities 993 * software mode, and updated on set PHY configuration. 994 */ 995 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 996 997 ice_cfg_phy_fec(pi, &config, req_fec); 998 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 999 1000 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 1001 return -EAGAIN; 1002 1003 /* Save requested FEC config */ 1004 pi->phy.curr_user_fec_req = req_fec; 1005 1006 return 0; 1007 } 1008 1009 /** 1010 * ice_set_fecparam - Set FEC link options 1011 * @netdev: network interface device structure 1012 * @fecparam: Ethtool structure to retrieve FEC parameters 1013 */ 1014 static int 1015 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1016 { 1017 struct ice_netdev_priv *np = netdev_priv(netdev); 1018 struct ice_vsi *vsi = np->vsi; 1019 enum ice_fec_mode fec; 1020 1021 switch (fecparam->fec) { 1022 case ETHTOOL_FEC_AUTO: 1023 fec = ICE_FEC_AUTO; 1024 break; 1025 case ETHTOOL_FEC_RS: 1026 fec = ICE_FEC_RS; 1027 break; 1028 case ETHTOOL_FEC_BASER: 1029 fec = ICE_FEC_BASER; 1030 break; 1031 case ETHTOOL_FEC_OFF: 1032 case ETHTOOL_FEC_NONE: 1033 fec = ICE_FEC_NONE; 1034 break; 1035 default: 1036 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1037 fecparam->fec); 1038 return -EINVAL; 1039 } 1040 1041 return ice_set_fec_cfg(netdev, fec); 1042 } 1043 1044 /** 1045 * ice_get_fecparam - Get link FEC options 1046 * @netdev: network interface device structure 1047 * @fecparam: Ethtool structure to retrieve FEC parameters 1048 */ 1049 static int 1050 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1051 { 1052 struct ice_netdev_priv *np = netdev_priv(netdev); 1053 struct ice_aqc_get_phy_caps_data *caps; 1054 struct ice_link_status *link_info; 1055 struct ice_vsi *vsi = np->vsi; 1056 struct ice_port_info *pi; 1057 enum ice_status status; 1058 int err = 0; 1059 1060 pi = vsi->port_info; 1061 1062 if (!pi) 1063 return -EOPNOTSUPP; 1064 link_info = &pi->phy.link_info; 1065 1066 /* Set FEC mode based on negotiated link info */ 1067 switch (link_info->fec_info) { 1068 case ICE_AQ_LINK_25G_KR_FEC_EN: 1069 fecparam->active_fec = ETHTOOL_FEC_BASER; 1070 break; 1071 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1072 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1073 fecparam->active_fec = ETHTOOL_FEC_RS; 1074 break; 1075 default: 1076 fecparam->active_fec = ETHTOOL_FEC_OFF; 1077 break; 1078 } 1079 1080 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1081 if (!caps) 1082 return -ENOMEM; 1083 1084 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1085 caps, NULL); 1086 if (status) { 1087 err = -EAGAIN; 1088 goto done; 1089 } 1090 1091 /* Set supported/configured FEC modes based on PHY capability */ 1092 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1093 fecparam->fec |= ETHTOOL_FEC_AUTO; 1094 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1095 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1096 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1097 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1098 fecparam->fec |= ETHTOOL_FEC_BASER; 1099 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1100 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1101 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1102 fecparam->fec |= ETHTOOL_FEC_RS; 1103 if (caps->link_fec_options == 0) 1104 fecparam->fec |= ETHTOOL_FEC_OFF; 1105 1106 done: 1107 kfree(caps); 1108 return err; 1109 } 1110 1111 /** 1112 * ice_nway_reset - restart autonegotiation 1113 * @netdev: network interface device structure 1114 */ 1115 static int ice_nway_reset(struct net_device *netdev) 1116 { 1117 struct ice_netdev_priv *np = netdev_priv(netdev); 1118 struct ice_vsi *vsi = np->vsi; 1119 struct ice_port_info *pi; 1120 enum ice_status status; 1121 1122 pi = vsi->port_info; 1123 /* If VSI state is up, then restart autoneg with link up */ 1124 if (!test_bit(__ICE_DOWN, vsi->back->state)) 1125 status = ice_aq_set_link_restart_an(pi, true, NULL); 1126 else 1127 status = ice_aq_set_link_restart_an(pi, false, NULL); 1128 1129 if (status) { 1130 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 1131 ice_stat_str(status), 1132 ice_aq_str(pi->hw->adminq.sq_last_status)); 1133 return -EIO; 1134 } 1135 1136 return 0; 1137 } 1138 1139 /** 1140 * ice_get_priv_flags - report device private flags 1141 * @netdev: network interface device structure 1142 * 1143 * The get string set count and the string set should be matched for each 1144 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1145 * array. 1146 * 1147 * Returns a u32 bitmap of flags. 1148 */ 1149 static u32 ice_get_priv_flags(struct net_device *netdev) 1150 { 1151 struct ice_netdev_priv *np = netdev_priv(netdev); 1152 struct ice_vsi *vsi = np->vsi; 1153 struct ice_pf *pf = vsi->back; 1154 u32 i, ret_flags = 0; 1155 1156 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1157 const struct ice_priv_flag *priv_flag; 1158 1159 priv_flag = &ice_gstrings_priv_flags[i]; 1160 1161 if (test_bit(priv_flag->bitno, pf->flags)) 1162 ret_flags |= BIT(i); 1163 } 1164 1165 return ret_flags; 1166 } 1167 1168 /** 1169 * ice_set_priv_flags - set private flags 1170 * @netdev: network interface device structure 1171 * @flags: bit flags to be set 1172 */ 1173 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1174 { 1175 struct ice_netdev_priv *np = netdev_priv(netdev); 1176 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1177 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1178 struct ice_vsi *vsi = np->vsi; 1179 struct ice_pf *pf = vsi->back; 1180 struct device *dev; 1181 int ret = 0; 1182 u32 i; 1183 1184 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1185 return -EINVAL; 1186 1187 dev = ice_pf_to_dev(pf); 1188 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1189 1190 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1191 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1192 const struct ice_priv_flag *priv_flag; 1193 1194 priv_flag = &ice_gstrings_priv_flags[i]; 1195 1196 if (flags & BIT(i)) 1197 set_bit(priv_flag->bitno, pf->flags); 1198 else 1199 clear_bit(priv_flag->bitno, pf->flags); 1200 } 1201 1202 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1203 1204 /* Do not allow change to link-down-on-close when Total Port Shutdown 1205 * is enabled. 1206 */ 1207 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1208 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1209 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1210 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1211 ret = -EINVAL; 1212 goto ethtool_exit; 1213 } 1214 1215 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1216 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1217 enum ice_status status; 1218 1219 /* Disable FW LLDP engine */ 1220 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1221 1222 /* If unregistering for LLDP events fails, this is 1223 * not an error state, as there shouldn't be any 1224 * events to respond to. 1225 */ 1226 if (status) 1227 dev_info(dev, "Failed to unreg for LLDP events\n"); 1228 1229 /* The AQ call to stop the FW LLDP agent will generate 1230 * an error if the agent is already stopped. 1231 */ 1232 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1233 if (status) 1234 dev_warn(dev, "Fail to stop LLDP agent\n"); 1235 /* Use case for having the FW LLDP agent stopped 1236 * will likely not need DCB, so failure to init is 1237 * not a concern of ethtool 1238 */ 1239 status = ice_init_pf_dcb(pf, true); 1240 if (status) 1241 dev_warn(dev, "Fail to init DCB\n"); 1242 1243 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1244 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1245 } else { 1246 enum ice_status status; 1247 bool dcbx_agent_status; 1248 1249 /* Remove rule to direct LLDP packets to default VSI. 1250 * The FW LLDP engine will now be consuming them. 1251 */ 1252 ice_cfg_sw_lldp(vsi, false, false); 1253 1254 /* AQ command to start FW LLDP agent will return an 1255 * error if the agent is already started 1256 */ 1257 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1258 if (status) 1259 dev_warn(dev, "Fail to start LLDP Agent\n"); 1260 1261 /* AQ command to start FW DCBX agent will fail if 1262 * the agent is already started 1263 */ 1264 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1265 &dcbx_agent_status, 1266 NULL); 1267 if (status) 1268 dev_dbg(dev, "Failed to start FW DCBX\n"); 1269 1270 dev_info(dev, "FW DCBX agent is %s\n", 1271 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1272 1273 /* Failure to configure MIB change or init DCB is not 1274 * relevant to ethtool. Print notification that 1275 * registration/init failed but do not return error 1276 * state to ethtool 1277 */ 1278 status = ice_init_pf_dcb(pf, true); 1279 if (status) 1280 dev_dbg(dev, "Fail to init DCB\n"); 1281 1282 /* Register for MIB change events */ 1283 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1284 if (status) 1285 dev_dbg(dev, "Fail to enable MIB change events\n"); 1286 1287 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1288 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1289 1290 ice_nway_reset(netdev); 1291 } 1292 } 1293 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1294 /* down and up VSI so that changes of Rx cfg are reflected. */ 1295 ice_down(vsi); 1296 ice_up(vsi); 1297 } 1298 /* don't allow modification of this flag when a single VF is in 1299 * promiscuous mode because it's not supported 1300 */ 1301 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1302 ice_is_any_vf_in_promisc(pf)) { 1303 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1304 /* toggle bit back to previous state */ 1305 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1306 ret = -EAGAIN; 1307 } 1308 ethtool_exit: 1309 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1310 return ret; 1311 } 1312 1313 static int ice_get_sset_count(struct net_device *netdev, int sset) 1314 { 1315 switch (sset) { 1316 case ETH_SS_STATS: 1317 /* The number (and order) of strings reported *must* remain 1318 * constant for a given netdevice. This function must not 1319 * report a different number based on run time parameters 1320 * (such as the number of queues in use, or the setting of 1321 * a private ethtool flag). This is due to the nature of the 1322 * ethtool stats API. 1323 * 1324 * Userspace programs such as ethtool must make 3 separate 1325 * ioctl requests, one for size, one for the strings, and 1326 * finally one for the stats. Since these cross into 1327 * userspace, changes to the number or size could result in 1328 * undefined memory access or incorrect string<->value 1329 * correlations for statistics. 1330 * 1331 * Even if it appears to be safe, changes to the size or 1332 * order of strings will suffer from race conditions and are 1333 * not safe. 1334 */ 1335 return ICE_ALL_STATS_LEN(netdev); 1336 case ETH_SS_TEST: 1337 return ICE_TEST_LEN; 1338 case ETH_SS_PRIV_FLAGS: 1339 return ICE_PRIV_FLAG_ARRAY_SIZE; 1340 default: 1341 return -EOPNOTSUPP; 1342 } 1343 } 1344 1345 static void 1346 ice_get_ethtool_stats(struct net_device *netdev, 1347 struct ethtool_stats __always_unused *stats, u64 *data) 1348 { 1349 struct ice_netdev_priv *np = netdev_priv(netdev); 1350 struct ice_vsi *vsi = np->vsi; 1351 struct ice_pf *pf = vsi->back; 1352 struct ice_ring *ring; 1353 unsigned int j; 1354 int i = 0; 1355 char *p; 1356 1357 ice_update_pf_stats(pf); 1358 ice_update_vsi_stats(vsi); 1359 1360 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1361 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1362 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1363 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1364 } 1365 1366 /* populate per queue stats */ 1367 rcu_read_lock(); 1368 1369 ice_for_each_alloc_txq(vsi, j) { 1370 ring = READ_ONCE(vsi->tx_rings[j]); 1371 if (ring) { 1372 data[i++] = ring->stats.pkts; 1373 data[i++] = ring->stats.bytes; 1374 } else { 1375 data[i++] = 0; 1376 data[i++] = 0; 1377 } 1378 } 1379 1380 ice_for_each_alloc_rxq(vsi, j) { 1381 ring = READ_ONCE(vsi->rx_rings[j]); 1382 if (ring) { 1383 data[i++] = ring->stats.pkts; 1384 data[i++] = ring->stats.bytes; 1385 } else { 1386 data[i++] = 0; 1387 data[i++] = 0; 1388 } 1389 } 1390 1391 rcu_read_unlock(); 1392 1393 if (vsi->type != ICE_VSI_PF) 1394 return; 1395 1396 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1397 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1398 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1399 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1400 } 1401 1402 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1403 data[i++] = pf->stats.priority_xon_tx[j]; 1404 data[i++] = pf->stats.priority_xoff_tx[j]; 1405 } 1406 1407 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1408 data[i++] = pf->stats.priority_xon_rx[j]; 1409 data[i++] = pf->stats.priority_xoff_rx[j]; 1410 } 1411 } 1412 1413 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1414 ICE_PHY_TYPE_LOW_100M_SGMII) 1415 1416 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1417 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1418 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1419 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1420 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1421 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1422 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1423 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1424 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1425 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1426 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1427 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1428 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1429 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1430 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1431 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1432 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1433 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1434 1435 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1436 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1437 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1438 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1439 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1440 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1441 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1442 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1443 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1444 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1445 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1446 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1447 ICE_PHY_TYPE_LOW_100GBASE_DR) 1448 1449 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1450 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1451 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1452 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1453 ICE_PHY_TYPE_HIGH_100G_AUI2) 1454 1455 /** 1456 * ice_mask_min_supported_speeds 1457 * @phy_types_high: PHY type high 1458 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1459 * 1460 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1461 * for ethtool supported link mode. 1462 */ 1463 static 1464 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1465 { 1466 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1467 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1468 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1469 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1470 else 1471 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1472 } 1473 1474 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1475 do { \ 1476 if (req_speeds & (aq_link_speed) || \ 1477 (!req_speeds && \ 1478 (adv_phy_type_lo & phy_type_mask_lo || \ 1479 adv_phy_type_hi & phy_type_mask_hi))) \ 1480 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1481 ethtool_link_mode); \ 1482 } while (0) 1483 1484 /** 1485 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1486 * @netdev: network interface device structure 1487 * @ks: ethtool link ksettings struct to fill out 1488 */ 1489 static void 1490 ice_phy_type_to_ethtool(struct net_device *netdev, 1491 struct ethtool_link_ksettings *ks) 1492 { 1493 struct ice_netdev_priv *np = netdev_priv(netdev); 1494 struct ice_vsi *vsi = np->vsi; 1495 struct ice_pf *pf = vsi->back; 1496 u64 phy_type_mask_lo = 0; 1497 u64 phy_type_mask_hi = 0; 1498 u64 adv_phy_type_lo = 0; 1499 u64 adv_phy_type_hi = 0; 1500 u64 phy_types_high = 0; 1501 u64 phy_types_low = 0; 1502 u16 req_speeds; 1503 1504 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1505 1506 /* Check if lenient mode is supported and enabled, or in strict mode. 1507 * 1508 * In lenient mode the Supported link modes are the PHY types without 1509 * media. The Advertising link mode is either 1. the user requested 1510 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1511 * 1512 * In strict mode Supported link mode are the PHY type with media, 1513 * and Advertising link modes are the media PHY type or the speed 1514 * requested by user. 1515 */ 1516 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1517 struct ice_link_default_override_tlv *ldo; 1518 1519 ldo = &pf->link_dflt_override; 1520 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1521 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1522 1523 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1524 1525 /* If override enabled and PHY mask set, then 1526 * Advertising link mode is the intersection of the PHY 1527 * types without media and the override PHY mask. 1528 */ 1529 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1530 (ldo->phy_type_low || ldo->phy_type_high)) { 1531 adv_phy_type_lo = 1532 le64_to_cpu(pf->nvm_phy_type_lo) & 1533 ldo->phy_type_low; 1534 adv_phy_type_hi = 1535 le64_to_cpu(pf->nvm_phy_type_hi) & 1536 ldo->phy_type_high; 1537 } 1538 } else { 1539 phy_types_low = vsi->port_info->phy.phy_type_low; 1540 phy_types_high = vsi->port_info->phy.phy_type_high; 1541 } 1542 1543 /* If Advertising link mode PHY type is not using override PHY type, 1544 * then use PHY type with media. 1545 */ 1546 if (!adv_phy_type_lo && !adv_phy_type_hi) { 1547 adv_phy_type_lo = vsi->port_info->phy.phy_type_low; 1548 adv_phy_type_hi = vsi->port_info->phy.phy_type_high; 1549 } 1550 1551 ethtool_link_ksettings_zero_link_mode(ks, supported); 1552 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1553 1554 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1555 ICE_PHY_TYPE_LOW_100M_SGMII; 1556 if (phy_types_low & phy_type_mask_lo) { 1557 ethtool_link_ksettings_add_link_mode(ks, supported, 1558 100baseT_Full); 1559 1560 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1561 100baseT_Full); 1562 } 1563 1564 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1565 ICE_PHY_TYPE_LOW_1G_SGMII; 1566 if (phy_types_low & phy_type_mask_lo) { 1567 ethtool_link_ksettings_add_link_mode(ks, supported, 1568 1000baseT_Full); 1569 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1570 1000baseT_Full); 1571 } 1572 1573 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1574 if (phy_types_low & phy_type_mask_lo) { 1575 ethtool_link_ksettings_add_link_mode(ks, supported, 1576 1000baseKX_Full); 1577 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1578 1000baseKX_Full); 1579 } 1580 1581 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1582 ICE_PHY_TYPE_LOW_1000BASE_LX; 1583 if (phy_types_low & phy_type_mask_lo) { 1584 ethtool_link_ksettings_add_link_mode(ks, supported, 1585 1000baseX_Full); 1586 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1587 1000baseX_Full); 1588 } 1589 1590 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1591 if (phy_types_low & phy_type_mask_lo) { 1592 ethtool_link_ksettings_add_link_mode(ks, supported, 1593 2500baseT_Full); 1594 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1595 2500baseT_Full); 1596 } 1597 1598 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1599 ICE_PHY_TYPE_LOW_2500BASE_KX; 1600 if (phy_types_low & phy_type_mask_lo) { 1601 ethtool_link_ksettings_add_link_mode(ks, supported, 1602 2500baseX_Full); 1603 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1604 2500baseX_Full); 1605 } 1606 1607 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1608 ICE_PHY_TYPE_LOW_5GBASE_KR; 1609 if (phy_types_low & phy_type_mask_lo) { 1610 ethtool_link_ksettings_add_link_mode(ks, supported, 1611 5000baseT_Full); 1612 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1613 5000baseT_Full); 1614 } 1615 1616 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1617 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1618 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1619 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1620 if (phy_types_low & phy_type_mask_lo) { 1621 ethtool_link_ksettings_add_link_mode(ks, supported, 1622 10000baseT_Full); 1623 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1624 10000baseT_Full); 1625 } 1626 1627 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1628 if (phy_types_low & phy_type_mask_lo) { 1629 ethtool_link_ksettings_add_link_mode(ks, supported, 1630 10000baseKR_Full); 1631 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1632 10000baseKR_Full); 1633 } 1634 1635 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1636 if (phy_types_low & phy_type_mask_lo) { 1637 ethtool_link_ksettings_add_link_mode(ks, supported, 1638 10000baseSR_Full); 1639 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1640 10000baseSR_Full); 1641 } 1642 1643 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1644 if (phy_types_low & phy_type_mask_lo) { 1645 ethtool_link_ksettings_add_link_mode(ks, supported, 1646 10000baseLR_Full); 1647 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1648 10000baseLR_Full); 1649 } 1650 1651 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1652 ICE_PHY_TYPE_LOW_25GBASE_CR | 1653 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1654 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1655 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1656 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1657 if (phy_types_low & phy_type_mask_lo) { 1658 ethtool_link_ksettings_add_link_mode(ks, supported, 1659 25000baseCR_Full); 1660 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1661 25000baseCR_Full); 1662 } 1663 1664 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1665 ICE_PHY_TYPE_LOW_25GBASE_LR; 1666 if (phy_types_low & phy_type_mask_lo) { 1667 ethtool_link_ksettings_add_link_mode(ks, supported, 1668 25000baseSR_Full); 1669 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1670 25000baseSR_Full); 1671 } 1672 1673 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1674 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1675 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1676 if (phy_types_low & phy_type_mask_lo) { 1677 ethtool_link_ksettings_add_link_mode(ks, supported, 1678 25000baseKR_Full); 1679 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1680 25000baseKR_Full); 1681 } 1682 1683 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1684 if (phy_types_low & phy_type_mask_lo) { 1685 ethtool_link_ksettings_add_link_mode(ks, supported, 1686 40000baseKR4_Full); 1687 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1688 40000baseKR4_Full); 1689 } 1690 1691 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1692 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1693 ICE_PHY_TYPE_LOW_40G_XLAUI; 1694 if (phy_types_low & phy_type_mask_lo) { 1695 ethtool_link_ksettings_add_link_mode(ks, supported, 1696 40000baseCR4_Full); 1697 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1698 40000baseCR4_Full); 1699 } 1700 1701 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1702 if (phy_types_low & phy_type_mask_lo) { 1703 ethtool_link_ksettings_add_link_mode(ks, supported, 1704 40000baseSR4_Full); 1705 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1706 40000baseSR4_Full); 1707 } 1708 1709 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1710 if (phy_types_low & phy_type_mask_lo) { 1711 ethtool_link_ksettings_add_link_mode(ks, supported, 1712 40000baseLR4_Full); 1713 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1714 40000baseLR4_Full); 1715 } 1716 1717 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1718 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1719 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1720 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1721 ICE_PHY_TYPE_LOW_50G_AUI2 | 1722 ICE_PHY_TYPE_LOW_50GBASE_CP | 1723 ICE_PHY_TYPE_LOW_50GBASE_SR | 1724 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1725 ICE_PHY_TYPE_LOW_50G_AUI1; 1726 if (phy_types_low & phy_type_mask_lo) { 1727 ethtool_link_ksettings_add_link_mode(ks, supported, 1728 50000baseCR2_Full); 1729 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1730 50000baseCR2_Full); 1731 } 1732 1733 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1734 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1735 if (phy_types_low & phy_type_mask_lo) { 1736 ethtool_link_ksettings_add_link_mode(ks, supported, 1737 50000baseKR2_Full); 1738 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1739 50000baseKR2_Full); 1740 } 1741 1742 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1743 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1744 ICE_PHY_TYPE_LOW_50GBASE_FR | 1745 ICE_PHY_TYPE_LOW_50GBASE_LR; 1746 if (phy_types_low & phy_type_mask_lo) { 1747 ethtool_link_ksettings_add_link_mode(ks, supported, 1748 50000baseSR2_Full); 1749 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1750 50000baseSR2_Full); 1751 } 1752 1753 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1754 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1755 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1756 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1757 ICE_PHY_TYPE_LOW_100G_AUI4 | 1758 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1759 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1760 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1761 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1762 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1763 ICE_PHY_TYPE_HIGH_100G_AUI2; 1764 if (phy_types_low & phy_type_mask_lo || 1765 phy_types_high & phy_type_mask_hi) { 1766 ethtool_link_ksettings_add_link_mode(ks, supported, 1767 100000baseCR4_Full); 1768 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1769 100000baseCR4_Full); 1770 } 1771 1772 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1773 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1774 if (phy_types_low & phy_type_mask_lo) { 1775 ethtool_link_ksettings_add_link_mode(ks, supported, 1776 100000baseSR4_Full); 1777 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1778 100000baseSR4_Full); 1779 } 1780 1781 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1782 ICE_PHY_TYPE_LOW_100GBASE_DR; 1783 if (phy_types_low & phy_type_mask_lo) { 1784 ethtool_link_ksettings_add_link_mode(ks, supported, 1785 100000baseLR4_ER4_Full); 1786 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1787 100000baseLR4_ER4_Full); 1788 } 1789 1790 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1791 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1792 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1793 if (phy_types_low & phy_type_mask_lo || 1794 phy_types_high & phy_type_mask_hi) { 1795 ethtool_link_ksettings_add_link_mode(ks, supported, 1796 100000baseKR4_Full); 1797 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1798 100000baseKR4_Full); 1799 } 1800 1801 /* Autoneg PHY types */ 1802 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1803 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1804 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || 1805 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || 1806 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || 1807 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1808 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || 1809 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1810 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || 1811 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1812 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1813 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1814 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1815 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1816 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1817 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || 1818 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1819 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1820 ethtool_link_ksettings_add_link_mode(ks, supported, 1821 Autoneg); 1822 ethtool_link_ksettings_add_link_mode(ks, advertising, 1823 Autoneg); 1824 } 1825 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1826 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1827 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1828 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1829 ethtool_link_ksettings_add_link_mode(ks, supported, 1830 Autoneg); 1831 ethtool_link_ksettings_add_link_mode(ks, advertising, 1832 Autoneg); 1833 } 1834 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1835 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1836 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1837 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1838 ethtool_link_ksettings_add_link_mode(ks, supported, 1839 Autoneg); 1840 ethtool_link_ksettings_add_link_mode(ks, advertising, 1841 Autoneg); 1842 } 1843 } 1844 1845 #define TEST_SET_BITS_TIMEOUT 50 1846 #define TEST_SET_BITS_SLEEP_MAX 2000 1847 #define TEST_SET_BITS_SLEEP_MIN 1000 1848 1849 /** 1850 * ice_get_settings_link_up - Get Link settings for when link is up 1851 * @ks: ethtool ksettings to fill in 1852 * @netdev: network interface device structure 1853 */ 1854 static void 1855 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1856 struct net_device *netdev) 1857 { 1858 struct ice_netdev_priv *np = netdev_priv(netdev); 1859 struct ice_port_info *pi = np->vsi->port_info; 1860 struct ice_link_status *link_info; 1861 struct ice_vsi *vsi = np->vsi; 1862 1863 link_info = &vsi->port_info->phy.link_info; 1864 1865 /* Get supported and advertised settings from PHY ability with media */ 1866 ice_phy_type_to_ethtool(netdev, ks); 1867 1868 switch (link_info->link_speed) { 1869 case ICE_AQ_LINK_SPEED_100GB: 1870 ks->base.speed = SPEED_100000; 1871 break; 1872 case ICE_AQ_LINK_SPEED_50GB: 1873 ks->base.speed = SPEED_50000; 1874 break; 1875 case ICE_AQ_LINK_SPEED_40GB: 1876 ks->base.speed = SPEED_40000; 1877 break; 1878 case ICE_AQ_LINK_SPEED_25GB: 1879 ks->base.speed = SPEED_25000; 1880 break; 1881 case ICE_AQ_LINK_SPEED_20GB: 1882 ks->base.speed = SPEED_20000; 1883 break; 1884 case ICE_AQ_LINK_SPEED_10GB: 1885 ks->base.speed = SPEED_10000; 1886 break; 1887 case ICE_AQ_LINK_SPEED_5GB: 1888 ks->base.speed = SPEED_5000; 1889 break; 1890 case ICE_AQ_LINK_SPEED_2500MB: 1891 ks->base.speed = SPEED_2500; 1892 break; 1893 case ICE_AQ_LINK_SPEED_1000MB: 1894 ks->base.speed = SPEED_1000; 1895 break; 1896 case ICE_AQ_LINK_SPEED_100MB: 1897 ks->base.speed = SPEED_100; 1898 break; 1899 default: 1900 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1901 link_info->link_speed); 1902 break; 1903 } 1904 ks->base.duplex = DUPLEX_FULL; 1905 1906 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1907 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1908 Autoneg); 1909 1910 /* Set flow control negotiated Rx/Tx pause */ 1911 switch (pi->fc.current_mode) { 1912 case ICE_FC_FULL: 1913 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1914 break; 1915 case ICE_FC_TX_PAUSE: 1916 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1917 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1918 Asym_Pause); 1919 break; 1920 case ICE_FC_RX_PAUSE: 1921 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1922 Asym_Pause); 1923 break; 1924 case ICE_FC_PFC: 1925 default: 1926 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1927 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1928 Asym_Pause); 1929 break; 1930 } 1931 } 1932 1933 /** 1934 * ice_get_settings_link_down - Get the Link settings when link is down 1935 * @ks: ethtool ksettings to fill in 1936 * @netdev: network interface device structure 1937 * 1938 * Reports link settings that can be determined when link is down 1939 */ 1940 static void 1941 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1942 struct net_device *netdev) 1943 { 1944 /* link is down and the driver needs to fall back on 1945 * supported PHY types to figure out what info to display 1946 */ 1947 ice_phy_type_to_ethtool(netdev, ks); 1948 1949 /* With no link, speed and duplex are unknown */ 1950 ks->base.speed = SPEED_UNKNOWN; 1951 ks->base.duplex = DUPLEX_UNKNOWN; 1952 } 1953 1954 /** 1955 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1956 * @netdev: network interface device structure 1957 * @ks: ethtool ksettings 1958 * 1959 * Reports speed/duplex settings based on media_type 1960 */ 1961 static int 1962 ice_get_link_ksettings(struct net_device *netdev, 1963 struct ethtool_link_ksettings *ks) 1964 { 1965 struct ice_netdev_priv *np = netdev_priv(netdev); 1966 struct ice_aqc_get_phy_caps_data *caps; 1967 struct ice_link_status *hw_link_info; 1968 struct ice_vsi *vsi = np->vsi; 1969 enum ice_status status; 1970 int err = 0; 1971 1972 ethtool_link_ksettings_zero_link_mode(ks, supported); 1973 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1974 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1975 hw_link_info = &vsi->port_info->phy.link_info; 1976 1977 /* set speed and duplex */ 1978 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1979 ice_get_settings_link_up(ks, netdev); 1980 else 1981 ice_get_settings_link_down(ks, netdev); 1982 1983 /* set autoneg settings */ 1984 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1985 AUTONEG_ENABLE : AUTONEG_DISABLE; 1986 1987 /* set media type settings */ 1988 switch (vsi->port_info->phy.media_type) { 1989 case ICE_MEDIA_FIBER: 1990 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1991 ks->base.port = PORT_FIBRE; 1992 break; 1993 case ICE_MEDIA_BASET: 1994 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1995 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1996 ks->base.port = PORT_TP; 1997 break; 1998 case ICE_MEDIA_BACKPLANE: 1999 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 2000 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 2001 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 2002 ethtool_link_ksettings_add_link_mode(ks, advertising, 2003 Backplane); 2004 ks->base.port = PORT_NONE; 2005 break; 2006 case ICE_MEDIA_DA: 2007 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 2008 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 2009 ks->base.port = PORT_DA; 2010 break; 2011 default: 2012 ks->base.port = PORT_OTHER; 2013 break; 2014 } 2015 2016 /* flow control is symmetric and always supported */ 2017 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 2018 2019 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 2020 if (!caps) 2021 return -ENOMEM; 2022 2023 status = ice_aq_get_phy_caps(vsi->port_info, false, 2024 ICE_AQC_REPORT_SW_CFG, caps, NULL); 2025 if (status) { 2026 err = -EIO; 2027 goto done; 2028 } 2029 2030 /* Set the advertised flow control based on the PHY capability */ 2031 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2032 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2033 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2034 ethtool_link_ksettings_add_link_mode(ks, advertising, 2035 Asym_Pause); 2036 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2037 ethtool_link_ksettings_add_link_mode(ks, advertising, 2038 Asym_Pause); 2039 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2040 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2041 ethtool_link_ksettings_add_link_mode(ks, advertising, 2042 Asym_Pause); 2043 } else { 2044 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2045 ethtool_link_ksettings_del_link_mode(ks, advertising, 2046 Asym_Pause); 2047 } 2048 2049 /* Set advertised FEC modes based on PHY capability */ 2050 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2051 2052 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2053 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2054 ethtool_link_ksettings_add_link_mode(ks, advertising, 2055 FEC_BASER); 2056 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2057 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2058 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2059 2060 status = ice_aq_get_phy_caps(vsi->port_info, false, 2061 ICE_AQC_REPORT_TOPO_CAP, caps, NULL); 2062 if (status) { 2063 err = -EIO; 2064 goto done; 2065 } 2066 2067 /* Set supported FEC modes based on PHY capability */ 2068 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2069 2070 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2071 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2072 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2073 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2074 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2075 2076 done: 2077 kfree(caps); 2078 return err; 2079 } 2080 2081 /** 2082 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2083 * @ks: ethtool ksettings 2084 */ 2085 static u16 2086 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2087 { 2088 u16 adv_link_speed = 0; 2089 2090 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2091 100baseT_Full)) 2092 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2093 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2094 1000baseX_Full)) 2095 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2096 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2097 1000baseT_Full) || 2098 ethtool_link_ksettings_test_link_mode(ks, advertising, 2099 1000baseKX_Full)) 2100 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2101 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2102 2500baseT_Full)) 2103 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2104 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2105 2500baseX_Full)) 2106 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2107 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2108 5000baseT_Full)) 2109 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2110 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2111 10000baseT_Full) || 2112 ethtool_link_ksettings_test_link_mode(ks, advertising, 2113 10000baseKR_Full)) 2114 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2115 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2116 10000baseSR_Full) || 2117 ethtool_link_ksettings_test_link_mode(ks, advertising, 2118 10000baseLR_Full)) 2119 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2120 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2121 25000baseCR_Full) || 2122 ethtool_link_ksettings_test_link_mode(ks, advertising, 2123 25000baseSR_Full) || 2124 ethtool_link_ksettings_test_link_mode(ks, advertising, 2125 25000baseKR_Full)) 2126 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2127 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2128 40000baseCR4_Full) || 2129 ethtool_link_ksettings_test_link_mode(ks, advertising, 2130 40000baseSR4_Full) || 2131 ethtool_link_ksettings_test_link_mode(ks, advertising, 2132 40000baseLR4_Full) || 2133 ethtool_link_ksettings_test_link_mode(ks, advertising, 2134 40000baseKR4_Full)) 2135 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2136 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2137 50000baseCR2_Full) || 2138 ethtool_link_ksettings_test_link_mode(ks, advertising, 2139 50000baseKR2_Full)) 2140 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2141 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2142 50000baseSR2_Full)) 2143 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2144 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2145 100000baseCR4_Full) || 2146 ethtool_link_ksettings_test_link_mode(ks, advertising, 2147 100000baseSR4_Full) || 2148 ethtool_link_ksettings_test_link_mode(ks, advertising, 2149 100000baseLR4_ER4_Full) || 2150 ethtool_link_ksettings_test_link_mode(ks, advertising, 2151 100000baseKR4_Full)) 2152 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2153 2154 return adv_link_speed; 2155 } 2156 2157 /** 2158 * ice_setup_autoneg 2159 * @p: port info 2160 * @ks: ethtool_link_ksettings 2161 * @config: configuration that will be sent down to FW 2162 * @autoneg_enabled: autonegotiation is enabled or not 2163 * @autoneg_changed: will there a change in autonegotiation 2164 * @netdev: network interface device structure 2165 * 2166 * Setup PHY autonegotiation feature 2167 */ 2168 static int 2169 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2170 struct ice_aqc_set_phy_cfg_data *config, 2171 u8 autoneg_enabled, u8 *autoneg_changed, 2172 struct net_device *netdev) 2173 { 2174 int err = 0; 2175 2176 *autoneg_changed = 0; 2177 2178 /* Check autoneg */ 2179 if (autoneg_enabled == AUTONEG_ENABLE) { 2180 /* If autoneg was not already enabled */ 2181 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2182 /* If autoneg is not supported, return error */ 2183 if (!ethtool_link_ksettings_test_link_mode(ks, 2184 supported, 2185 Autoneg)) { 2186 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2187 err = -EINVAL; 2188 } else { 2189 /* Autoneg is allowed to change */ 2190 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2191 *autoneg_changed = 1; 2192 } 2193 } 2194 } else { 2195 /* If autoneg is currently enabled */ 2196 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2197 /* If autoneg is supported 10GBASE_T is the only PHY 2198 * that can disable it, so otherwise return error 2199 */ 2200 if (ethtool_link_ksettings_test_link_mode(ks, 2201 supported, 2202 Autoneg)) { 2203 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2204 err = -EINVAL; 2205 } else { 2206 /* Autoneg is allowed to change */ 2207 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2208 *autoneg_changed = 1; 2209 } 2210 } 2211 } 2212 2213 return err; 2214 } 2215 2216 /** 2217 * ice_set_link_ksettings - Set Speed and Duplex 2218 * @netdev: network interface device structure 2219 * @ks: ethtool ksettings 2220 * 2221 * Set speed/duplex per media_types advertised/forced 2222 */ 2223 static int 2224 ice_set_link_ksettings(struct net_device *netdev, 2225 const struct ethtool_link_ksettings *ks) 2226 { 2227 struct ice_netdev_priv *np = netdev_priv(netdev); 2228 struct ethtool_link_ksettings safe_ks, copy_ks; 2229 struct ice_aqc_get_phy_caps_data *abilities; 2230 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2231 u16 adv_link_speed, curr_link_speed, idx; 2232 struct ice_aqc_set_phy_cfg_data config; 2233 struct ice_pf *pf = np->vsi->back; 2234 struct ice_port_info *p; 2235 u8 autoneg_changed = 0; 2236 enum ice_status status; 2237 u64 phy_type_high = 0; 2238 u64 phy_type_low = 0; 2239 int err = 0; 2240 bool linkup; 2241 2242 p = np->vsi->port_info; 2243 2244 if (!p) 2245 return -EOPNOTSUPP; 2246 2247 /* Check if this is LAN VSI */ 2248 ice_for_each_vsi(pf, idx) 2249 if (pf->vsi[idx]->type == ICE_VSI_PF) { 2250 if (np->vsi != pf->vsi[idx]) 2251 return -EOPNOTSUPP; 2252 break; 2253 } 2254 2255 if (p->phy.media_type != ICE_MEDIA_BASET && 2256 p->phy.media_type != ICE_MEDIA_FIBER && 2257 p->phy.media_type != ICE_MEDIA_BACKPLANE && 2258 p->phy.media_type != ICE_MEDIA_DA && 2259 p->phy.link_info.link_info & ICE_AQ_LINK_UP) 2260 return -EOPNOTSUPP; 2261 2262 abilities = kzalloc(sizeof(*abilities), GFP_KERNEL); 2263 if (!abilities) 2264 return -ENOMEM; 2265 2266 /* Get the PHY capabilities based on media */ 2267 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_TOPO_CAP, 2268 abilities, NULL); 2269 if (status) { 2270 err = -EAGAIN; 2271 goto done; 2272 } 2273 2274 /* copy the ksettings to copy_ks to avoid modifying the original */ 2275 memcpy(©_ks, ks, sizeof(copy_ks)); 2276 2277 /* save autoneg out of ksettings */ 2278 autoneg = copy_ks.base.autoneg; 2279 2280 memset(&safe_ks, 0, sizeof(safe_ks)); 2281 2282 /* Get link modes supported by hardware.*/ 2283 ice_phy_type_to_ethtool(netdev, &safe_ks); 2284 2285 /* and check against modes requested by user. 2286 * Return an error if unsupported mode was set. 2287 */ 2288 if (!bitmap_subset(copy_ks.link_modes.advertising, 2289 safe_ks.link_modes.supported, 2290 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2291 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2292 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"); 2293 err = -EINVAL; 2294 goto done; 2295 } 2296 2297 /* get our own copy of the bits to check against */ 2298 memset(&safe_ks, 0, sizeof(safe_ks)); 2299 safe_ks.base.cmd = copy_ks.base.cmd; 2300 safe_ks.base.link_mode_masks_nwords = 2301 copy_ks.base.link_mode_masks_nwords; 2302 ice_get_link_ksettings(netdev, &safe_ks); 2303 2304 /* set autoneg back to what it currently is */ 2305 copy_ks.base.autoneg = safe_ks.base.autoneg; 2306 /* we don't compare the speed */ 2307 copy_ks.base.speed = safe_ks.base.speed; 2308 2309 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2310 * trying to set something that we do not support. 2311 */ 2312 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2313 err = -EOPNOTSUPP; 2314 goto done; 2315 } 2316 2317 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2318 timeout--; 2319 if (!timeout) { 2320 err = -EBUSY; 2321 goto done; 2322 } 2323 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2324 } 2325 2326 /* Copy the current user PHY configuration. The current user PHY 2327 * configuration is initialized during probe from PHY capabilities 2328 * software mode, and updated on set PHY configuration. 2329 */ 2330 memcpy(&config, &p->phy.curr_user_phy_cfg, sizeof(config)); 2331 2332 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2333 2334 /* Check autoneg */ 2335 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, 2336 netdev); 2337 2338 if (err) 2339 goto done; 2340 2341 /* Call to get the current link speed */ 2342 p->phy.get_link_info = true; 2343 status = ice_get_link_status(p, &linkup); 2344 if (status) { 2345 err = -EAGAIN; 2346 goto done; 2347 } 2348 2349 curr_link_speed = p->phy.link_info.link_speed; 2350 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2351 2352 /* If speed didn't get set, set it to what it currently is. 2353 * This is needed because if advertise is 0 (as it is when autoneg 2354 * is disabled) then speed won't get set. 2355 */ 2356 if (!adv_link_speed) 2357 adv_link_speed = curr_link_speed; 2358 2359 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2360 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2361 2362 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2363 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2364 goto done; 2365 } 2366 2367 /* save the requested speeds */ 2368 p->phy.link_info.req_speeds = adv_link_speed; 2369 2370 /* set link and auto negotiation so changes take effect */ 2371 config.caps |= ICE_AQ_PHY_ENA_LINK; 2372 2373 /* check if there is a PHY type for the requested advertised speed */ 2374 if (!(phy_type_low || phy_type_high)) { 2375 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"); 2376 err = -EAGAIN; 2377 goto done; 2378 } 2379 2380 /* intersect requested advertised speed PHY types with media PHY types 2381 * for set PHY configuration 2382 */ 2383 config.phy_type_high = cpu_to_le64(phy_type_high) & 2384 abilities->phy_type_high; 2385 config.phy_type_low = cpu_to_le64(phy_type_low) & 2386 abilities->phy_type_low; 2387 2388 if (!(config.phy_type_high || config.phy_type_low)) { 2389 /* If there is no intersection and lenient mode is enabled, then 2390 * intersect the requested advertised speed with NVM media type 2391 * PHY types. 2392 */ 2393 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2394 config.phy_type_high = cpu_to_le64(phy_type_high) & 2395 pf->nvm_phy_type_hi; 2396 config.phy_type_low = cpu_to_le64(phy_type_low) & 2397 pf->nvm_phy_type_lo; 2398 } else { 2399 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"); 2400 err = -EAGAIN; 2401 goto done; 2402 } 2403 } 2404 2405 /* If link is up put link down */ 2406 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2407 /* Tell the OS link is going down, the link will go 2408 * back up when fw says it is ready asynchronously 2409 */ 2410 ice_print_link_msg(np->vsi, false); 2411 netif_carrier_off(netdev); 2412 netif_tx_stop_all_queues(netdev); 2413 } 2414 2415 /* make the aq call */ 2416 status = ice_aq_set_phy_cfg(&pf->hw, p, &config, NULL); 2417 if (status) { 2418 netdev_info(netdev, "Set phy config failed,\n"); 2419 err = -EAGAIN; 2420 goto done; 2421 } 2422 2423 /* Save speed request */ 2424 p->phy.curr_user_speed_req = adv_link_speed; 2425 done: 2426 kfree(abilities); 2427 clear_bit(__ICE_CFG_BUSY, pf->state); 2428 2429 return err; 2430 } 2431 2432 /** 2433 * ice_parse_hdrs - parses headers from RSS hash input 2434 * @nfc: ethtool rxnfc command 2435 * 2436 * This function parses the rxnfc command and returns intended 2437 * header types for RSS configuration 2438 */ 2439 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2440 { 2441 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2442 2443 switch (nfc->flow_type) { 2444 case TCP_V4_FLOW: 2445 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2446 break; 2447 case UDP_V4_FLOW: 2448 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2449 break; 2450 case SCTP_V4_FLOW: 2451 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2452 break; 2453 case TCP_V6_FLOW: 2454 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2455 break; 2456 case UDP_V6_FLOW: 2457 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2458 break; 2459 case SCTP_V6_FLOW: 2460 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2461 break; 2462 default: 2463 break; 2464 } 2465 return hdrs; 2466 } 2467 2468 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2469 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2470 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2471 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2472 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2473 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2474 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2475 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2476 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2477 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2478 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2479 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2480 2481 /** 2482 * ice_parse_hash_flds - parses hash fields from RSS hash input 2483 * @nfc: ethtool rxnfc command 2484 * 2485 * This function parses the rxnfc command and returns intended 2486 * hash fields for RSS configuration 2487 */ 2488 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2489 { 2490 u64 hfld = ICE_HASH_INVALID; 2491 2492 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2493 switch (nfc->flow_type) { 2494 case TCP_V4_FLOW: 2495 case UDP_V4_FLOW: 2496 case SCTP_V4_FLOW: 2497 if (nfc->data & RXH_IP_SRC) 2498 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2499 if (nfc->data & RXH_IP_DST) 2500 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2501 break; 2502 case TCP_V6_FLOW: 2503 case UDP_V6_FLOW: 2504 case SCTP_V6_FLOW: 2505 if (nfc->data & RXH_IP_SRC) 2506 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2507 if (nfc->data & RXH_IP_DST) 2508 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2509 break; 2510 default: 2511 break; 2512 } 2513 } 2514 2515 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2516 switch (nfc->flow_type) { 2517 case TCP_V4_FLOW: 2518 case TCP_V6_FLOW: 2519 if (nfc->data & RXH_L4_B_0_1) 2520 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2521 if (nfc->data & RXH_L4_B_2_3) 2522 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2523 break; 2524 case UDP_V4_FLOW: 2525 case UDP_V6_FLOW: 2526 if (nfc->data & RXH_L4_B_0_1) 2527 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2528 if (nfc->data & RXH_L4_B_2_3) 2529 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2530 break; 2531 case SCTP_V4_FLOW: 2532 case SCTP_V6_FLOW: 2533 if (nfc->data & RXH_L4_B_0_1) 2534 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2535 if (nfc->data & RXH_L4_B_2_3) 2536 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2537 break; 2538 default: 2539 break; 2540 } 2541 } 2542 2543 return hfld; 2544 } 2545 2546 /** 2547 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2548 * @vsi: the VSI being configured 2549 * @nfc: ethtool rxnfc command 2550 * 2551 * Returns Success if the flow input set is supported. 2552 */ 2553 static int 2554 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2555 { 2556 struct ice_pf *pf = vsi->back; 2557 enum ice_status status; 2558 struct device *dev; 2559 u64 hashed_flds; 2560 u32 hdrs; 2561 2562 dev = ice_pf_to_dev(pf); 2563 if (ice_is_safe_mode(pf)) { 2564 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2565 vsi->vsi_num); 2566 return -EINVAL; 2567 } 2568 2569 hashed_flds = ice_parse_hash_flds(nfc); 2570 if (hashed_flds == ICE_HASH_INVALID) { 2571 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2572 vsi->vsi_num); 2573 return -EINVAL; 2574 } 2575 2576 hdrs = ice_parse_hdrs(nfc); 2577 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2578 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2579 vsi->vsi_num); 2580 return -EINVAL; 2581 } 2582 2583 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2584 if (status) { 2585 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2586 vsi->vsi_num, ice_stat_str(status)); 2587 return -EINVAL; 2588 } 2589 2590 return 0; 2591 } 2592 2593 /** 2594 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2595 * @vsi: the VSI being configured 2596 * @nfc: ethtool rxnfc command 2597 */ 2598 static void 2599 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2600 { 2601 struct ice_pf *pf = vsi->back; 2602 struct device *dev; 2603 u64 hash_flds; 2604 u32 hdrs; 2605 2606 dev = ice_pf_to_dev(pf); 2607 2608 nfc->data = 0; 2609 if (ice_is_safe_mode(pf)) { 2610 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2611 vsi->vsi_num); 2612 return; 2613 } 2614 2615 hdrs = ice_parse_hdrs(nfc); 2616 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2617 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2618 vsi->vsi_num); 2619 return; 2620 } 2621 2622 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2623 if (hash_flds == ICE_HASH_INVALID) { 2624 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2625 vsi->vsi_num); 2626 return; 2627 } 2628 2629 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2630 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2631 nfc->data |= (u64)RXH_IP_SRC; 2632 2633 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2634 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2635 nfc->data |= (u64)RXH_IP_DST; 2636 2637 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2638 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2639 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2640 nfc->data |= (u64)RXH_L4_B_0_1; 2641 2642 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2643 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2644 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2645 nfc->data |= (u64)RXH_L4_B_2_3; 2646 } 2647 2648 /** 2649 * ice_set_rxnfc - command to set Rx flow rules. 2650 * @netdev: network interface device structure 2651 * @cmd: ethtool rxnfc command 2652 * 2653 * Returns 0 for success and negative values for errors 2654 */ 2655 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2656 { 2657 struct ice_netdev_priv *np = netdev_priv(netdev); 2658 struct ice_vsi *vsi = np->vsi; 2659 2660 switch (cmd->cmd) { 2661 case ETHTOOL_SRXCLSRLINS: 2662 return ice_add_fdir_ethtool(vsi, cmd); 2663 case ETHTOOL_SRXCLSRLDEL: 2664 return ice_del_fdir_ethtool(vsi, cmd); 2665 case ETHTOOL_SRXFH: 2666 return ice_set_rss_hash_opt(vsi, cmd); 2667 default: 2668 break; 2669 } 2670 return -EOPNOTSUPP; 2671 } 2672 2673 /** 2674 * ice_get_rxnfc - command to get Rx flow classification rules 2675 * @netdev: network interface device structure 2676 * @cmd: ethtool rxnfc command 2677 * @rule_locs: buffer to rturn Rx flow classification rules 2678 * 2679 * Returns Success if the command is supported. 2680 */ 2681 static int 2682 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2683 u32 __always_unused *rule_locs) 2684 { 2685 struct ice_netdev_priv *np = netdev_priv(netdev); 2686 struct ice_vsi *vsi = np->vsi; 2687 int ret = -EOPNOTSUPP; 2688 struct ice_hw *hw; 2689 2690 hw = &vsi->back->hw; 2691 2692 switch (cmd->cmd) { 2693 case ETHTOOL_GRXRINGS: 2694 cmd->data = vsi->rss_size; 2695 ret = 0; 2696 break; 2697 case ETHTOOL_GRXCLSRLCNT: 2698 cmd->rule_cnt = hw->fdir_active_fltr; 2699 /* report total rule count */ 2700 cmd->data = ice_get_fdir_cnt_all(hw); 2701 ret = 0; 2702 break; 2703 case ETHTOOL_GRXCLSRULE: 2704 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2705 break; 2706 case ETHTOOL_GRXCLSRLALL: 2707 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2708 break; 2709 case ETHTOOL_GRXFH: 2710 ice_get_rss_hash_opt(vsi, cmd); 2711 ret = 0; 2712 break; 2713 default: 2714 break; 2715 } 2716 2717 return ret; 2718 } 2719 2720 static void 2721 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2722 { 2723 struct ice_netdev_priv *np = netdev_priv(netdev); 2724 struct ice_vsi *vsi = np->vsi; 2725 2726 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2727 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2728 ring->rx_pending = vsi->rx_rings[0]->count; 2729 ring->tx_pending = vsi->tx_rings[0]->count; 2730 2731 /* Rx mini and jumbo rings are not supported */ 2732 ring->rx_mini_max_pending = 0; 2733 ring->rx_jumbo_max_pending = 0; 2734 ring->rx_mini_pending = 0; 2735 ring->rx_jumbo_pending = 0; 2736 } 2737 2738 static int 2739 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2740 { 2741 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2742 struct ice_netdev_priv *np = netdev_priv(netdev); 2743 struct ice_ring *xdp_rings = NULL; 2744 struct ice_vsi *vsi = np->vsi; 2745 struct ice_pf *pf = vsi->back; 2746 int i, timeout = 50, err = 0; 2747 u16 new_rx_cnt, new_tx_cnt; 2748 2749 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2750 ring->tx_pending < ICE_MIN_NUM_DESC || 2751 ring->rx_pending > ICE_MAX_NUM_DESC || 2752 ring->rx_pending < ICE_MIN_NUM_DESC) { 2753 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2754 ring->tx_pending, ring->rx_pending, 2755 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2756 ICE_REQ_DESC_MULTIPLE); 2757 return -EINVAL; 2758 } 2759 2760 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2761 if (new_tx_cnt != ring->tx_pending) 2762 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2763 new_tx_cnt); 2764 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2765 if (new_rx_cnt != ring->rx_pending) 2766 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2767 new_rx_cnt); 2768 2769 /* if nothing to do return success */ 2770 if (new_tx_cnt == vsi->tx_rings[0]->count && 2771 new_rx_cnt == vsi->rx_rings[0]->count) { 2772 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2773 return 0; 2774 } 2775 2776 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2777 * disallow changing the number of descriptors -- regardless 2778 * if the netdev is running or not. 2779 */ 2780 if (ice_xsk_any_rx_ring_ena(vsi)) 2781 return -EBUSY; 2782 2783 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2784 timeout--; 2785 if (!timeout) 2786 return -EBUSY; 2787 usleep_range(1000, 2000); 2788 } 2789 2790 /* set for the next time the netdev is started */ 2791 if (!netif_running(vsi->netdev)) { 2792 for (i = 0; i < vsi->alloc_txq; i++) 2793 vsi->tx_rings[i]->count = new_tx_cnt; 2794 for (i = 0; i < vsi->alloc_rxq; i++) 2795 vsi->rx_rings[i]->count = new_rx_cnt; 2796 if (ice_is_xdp_ena_vsi(vsi)) 2797 for (i = 0; i < vsi->num_xdp_txq; i++) 2798 vsi->xdp_rings[i]->count = new_tx_cnt; 2799 vsi->num_tx_desc = (u16)new_tx_cnt; 2800 vsi->num_rx_desc = (u16)new_rx_cnt; 2801 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2802 goto done; 2803 } 2804 2805 if (new_tx_cnt == vsi->tx_rings[0]->count) 2806 goto process_rx; 2807 2808 /* alloc updated Tx resources */ 2809 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2810 vsi->tx_rings[0]->count, new_tx_cnt); 2811 2812 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2813 if (!tx_rings) { 2814 err = -ENOMEM; 2815 goto done; 2816 } 2817 2818 ice_for_each_txq(vsi, i) { 2819 /* clone ring and setup updated count */ 2820 tx_rings[i] = *vsi->tx_rings[i]; 2821 tx_rings[i].count = new_tx_cnt; 2822 tx_rings[i].desc = NULL; 2823 tx_rings[i].tx_buf = NULL; 2824 err = ice_setup_tx_ring(&tx_rings[i]); 2825 if (err) { 2826 while (i--) 2827 ice_clean_tx_ring(&tx_rings[i]); 2828 kfree(tx_rings); 2829 goto done; 2830 } 2831 } 2832 2833 if (!ice_is_xdp_ena_vsi(vsi)) 2834 goto process_rx; 2835 2836 /* alloc updated XDP resources */ 2837 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2838 vsi->xdp_rings[0]->count, new_tx_cnt); 2839 2840 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2841 if (!xdp_rings) { 2842 err = -ENOMEM; 2843 goto free_tx; 2844 } 2845 2846 for (i = 0; i < vsi->num_xdp_txq; i++) { 2847 /* clone ring and setup updated count */ 2848 xdp_rings[i] = *vsi->xdp_rings[i]; 2849 xdp_rings[i].count = new_tx_cnt; 2850 xdp_rings[i].desc = NULL; 2851 xdp_rings[i].tx_buf = NULL; 2852 err = ice_setup_tx_ring(&xdp_rings[i]); 2853 if (err) { 2854 while (i--) 2855 ice_clean_tx_ring(&xdp_rings[i]); 2856 kfree(xdp_rings); 2857 goto free_tx; 2858 } 2859 ice_set_ring_xdp(&xdp_rings[i]); 2860 } 2861 2862 process_rx: 2863 if (new_rx_cnt == vsi->rx_rings[0]->count) 2864 goto process_link; 2865 2866 /* alloc updated Rx resources */ 2867 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2868 vsi->rx_rings[0]->count, new_rx_cnt); 2869 2870 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2871 if (!rx_rings) { 2872 err = -ENOMEM; 2873 goto done; 2874 } 2875 2876 ice_for_each_rxq(vsi, i) { 2877 /* clone ring and setup updated count */ 2878 rx_rings[i] = *vsi->rx_rings[i]; 2879 rx_rings[i].count = new_rx_cnt; 2880 rx_rings[i].desc = NULL; 2881 rx_rings[i].rx_buf = NULL; 2882 /* this is to allow wr32 to have something to write to 2883 * during early allocation of Rx buffers 2884 */ 2885 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2886 2887 err = ice_setup_rx_ring(&rx_rings[i]); 2888 if (err) 2889 goto rx_unwind; 2890 2891 /* allocate Rx buffers */ 2892 err = ice_alloc_rx_bufs(&rx_rings[i], 2893 ICE_DESC_UNUSED(&rx_rings[i])); 2894 rx_unwind: 2895 if (err) { 2896 while (i) { 2897 i--; 2898 ice_free_rx_ring(&rx_rings[i]); 2899 } 2900 kfree(rx_rings); 2901 err = -ENOMEM; 2902 goto free_tx; 2903 } 2904 } 2905 2906 process_link: 2907 /* Bring interface down, copy in the new ring info, then restore the 2908 * interface. if VSI is up, bring it down and then back up 2909 */ 2910 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2911 ice_down(vsi); 2912 2913 if (tx_rings) { 2914 ice_for_each_txq(vsi, i) { 2915 ice_free_tx_ring(vsi->tx_rings[i]); 2916 *vsi->tx_rings[i] = tx_rings[i]; 2917 } 2918 kfree(tx_rings); 2919 } 2920 2921 if (rx_rings) { 2922 ice_for_each_rxq(vsi, i) { 2923 ice_free_rx_ring(vsi->rx_rings[i]); 2924 /* copy the real tail offset */ 2925 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2926 /* this is to fake out the allocation routine 2927 * into thinking it has to realloc everything 2928 * but the recycling logic will let us re-use 2929 * the buffers allocated above 2930 */ 2931 rx_rings[i].next_to_use = 0; 2932 rx_rings[i].next_to_clean = 0; 2933 rx_rings[i].next_to_alloc = 0; 2934 *vsi->rx_rings[i] = rx_rings[i]; 2935 } 2936 kfree(rx_rings); 2937 } 2938 2939 if (xdp_rings) { 2940 for (i = 0; i < vsi->num_xdp_txq; i++) { 2941 ice_free_tx_ring(vsi->xdp_rings[i]); 2942 *vsi->xdp_rings[i] = xdp_rings[i]; 2943 } 2944 kfree(xdp_rings); 2945 } 2946 2947 vsi->num_tx_desc = new_tx_cnt; 2948 vsi->num_rx_desc = new_rx_cnt; 2949 ice_up(vsi); 2950 } 2951 goto done; 2952 2953 free_tx: 2954 /* error cleanup if the Rx allocations failed after getting Tx */ 2955 if (tx_rings) { 2956 ice_for_each_txq(vsi, i) 2957 ice_free_tx_ring(&tx_rings[i]); 2958 kfree(tx_rings); 2959 } 2960 2961 done: 2962 clear_bit(__ICE_CFG_BUSY, pf->state); 2963 return err; 2964 } 2965 2966 /** 2967 * ice_get_pauseparam - Get Flow Control status 2968 * @netdev: network interface device structure 2969 * @pause: ethernet pause (flow control) parameters 2970 * 2971 * Get requested flow control status from PHY capability. 2972 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2973 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2974 * the negotiated Rx/Tx pause via lp_advertising. 2975 */ 2976 static void 2977 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2978 { 2979 struct ice_netdev_priv *np = netdev_priv(netdev); 2980 struct ice_port_info *pi = np->vsi->port_info; 2981 struct ice_aqc_get_phy_caps_data *pcaps; 2982 struct ice_dcbx_cfg *dcbx_cfg; 2983 enum ice_status status; 2984 2985 /* Initialize pause params */ 2986 pause->rx_pause = 0; 2987 pause->tx_pause = 0; 2988 2989 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2990 2991 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2992 if (!pcaps) 2993 return; 2994 2995 /* Get current PHY config */ 2996 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2997 NULL); 2998 if (status) 2999 goto out; 3000 3001 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3002 AUTONEG_DISABLE; 3003 3004 if (dcbx_cfg->pfc.pfcena) 3005 /* PFC enabled so report LFC as off */ 3006 goto out; 3007 3008 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 3009 pause->tx_pause = 1; 3010 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 3011 pause->rx_pause = 1; 3012 3013 out: 3014 kfree(pcaps); 3015 } 3016 3017 /** 3018 * ice_set_pauseparam - Set Flow Control parameter 3019 * @netdev: network interface device structure 3020 * @pause: return Tx/Rx flow control status 3021 */ 3022 static int 3023 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3024 { 3025 struct ice_netdev_priv *np = netdev_priv(netdev); 3026 struct ice_aqc_get_phy_caps_data *pcaps; 3027 struct ice_link_status *hw_link_info; 3028 struct ice_pf *pf = np->vsi->back; 3029 struct ice_dcbx_cfg *dcbx_cfg; 3030 struct ice_vsi *vsi = np->vsi; 3031 struct ice_hw *hw = &pf->hw; 3032 struct ice_port_info *pi; 3033 enum ice_status status; 3034 u8 aq_failures; 3035 bool link_up; 3036 int err = 0; 3037 u32 is_an; 3038 3039 pi = vsi->port_info; 3040 hw_link_info = &pi->phy.link_info; 3041 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3042 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3043 3044 /* Changing the port's flow control is not supported if this isn't the 3045 * PF VSI 3046 */ 3047 if (vsi->type != ICE_VSI_PF) { 3048 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3049 return -EOPNOTSUPP; 3050 } 3051 3052 /* Get pause param reports configured and negotiated flow control pause 3053 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3054 * defined get pause param pause->autoneg reports SW configured setting, 3055 * so compare pause->autoneg with SW configured to prevent the user from 3056 * using set pause param to chance autoneg. 3057 */ 3058 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3059 if (!pcaps) 3060 return -ENOMEM; 3061 3062 /* Get current PHY config */ 3063 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 3064 NULL); 3065 if (status) { 3066 kfree(pcaps); 3067 return -EIO; 3068 } 3069 3070 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3071 AUTONEG_DISABLE; 3072 3073 kfree(pcaps); 3074 3075 if (pause->autoneg != is_an) { 3076 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3077 return -EOPNOTSUPP; 3078 } 3079 3080 /* If we have link and don't have autoneg */ 3081 if (!test_bit(__ICE_DOWN, pf->state) && 3082 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3083 /* Send message that it might not necessarily work*/ 3084 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3085 } 3086 3087 if (dcbx_cfg->pfc.pfcena) { 3088 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3089 return -EOPNOTSUPP; 3090 } 3091 if (pause->rx_pause && pause->tx_pause) 3092 pi->fc.req_mode = ICE_FC_FULL; 3093 else if (pause->rx_pause && !pause->tx_pause) 3094 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3095 else if (!pause->rx_pause && pause->tx_pause) 3096 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3097 else if (!pause->rx_pause && !pause->tx_pause) 3098 pi->fc.req_mode = ICE_FC_NONE; 3099 else 3100 return -EINVAL; 3101 3102 /* Set the FC mode and only restart AN if link is up */ 3103 status = ice_set_fc(pi, &aq_failures, link_up); 3104 3105 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3106 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3107 ice_stat_str(status), 3108 ice_aq_str(hw->adminq.sq_last_status)); 3109 err = -EAGAIN; 3110 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3111 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3112 ice_stat_str(status), 3113 ice_aq_str(hw->adminq.sq_last_status)); 3114 err = -EAGAIN; 3115 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3116 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3117 ice_stat_str(status), 3118 ice_aq_str(hw->adminq.sq_last_status)); 3119 err = -EAGAIN; 3120 } 3121 3122 return err; 3123 } 3124 3125 /** 3126 * ice_get_rxfh_key_size - get the RSS hash key size 3127 * @netdev: network interface device structure 3128 * 3129 * Returns the table size. 3130 */ 3131 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3132 { 3133 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3134 } 3135 3136 /** 3137 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3138 * @netdev: network interface device structure 3139 * 3140 * Returns the table size. 3141 */ 3142 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3143 { 3144 struct ice_netdev_priv *np = netdev_priv(netdev); 3145 3146 return np->vsi->rss_table_size; 3147 } 3148 3149 /** 3150 * ice_get_rxfh - get the Rx flow hash indirection table 3151 * @netdev: network interface device structure 3152 * @indir: indirection table 3153 * @key: hash key 3154 * @hfunc: hash function 3155 * 3156 * Reads the indirection table directly from the hardware. 3157 */ 3158 static int 3159 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3160 { 3161 struct ice_netdev_priv *np = netdev_priv(netdev); 3162 struct ice_vsi *vsi = np->vsi; 3163 struct ice_pf *pf = vsi->back; 3164 int ret = 0, i; 3165 u8 *lut; 3166 3167 if (hfunc) 3168 *hfunc = ETH_RSS_HASH_TOP; 3169 3170 if (!indir) 3171 return 0; 3172 3173 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3174 /* RSS not supported return error here */ 3175 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3176 return -EIO; 3177 } 3178 3179 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3180 if (!lut) 3181 return -ENOMEM; 3182 3183 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 3184 ret = -EIO; 3185 goto out; 3186 } 3187 3188 for (i = 0; i < vsi->rss_table_size; i++) 3189 indir[i] = (u32)(lut[i]); 3190 3191 out: 3192 kfree(lut); 3193 return ret; 3194 } 3195 3196 /** 3197 * ice_set_rxfh - set the Rx flow hash indirection table 3198 * @netdev: network interface device structure 3199 * @indir: indirection table 3200 * @key: hash key 3201 * @hfunc: hash function 3202 * 3203 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3204 * returns 0 after programming the table. 3205 */ 3206 static int 3207 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3208 const u8 hfunc) 3209 { 3210 struct ice_netdev_priv *np = netdev_priv(netdev); 3211 struct ice_vsi *vsi = np->vsi; 3212 struct ice_pf *pf = vsi->back; 3213 struct device *dev; 3214 u8 *seed = NULL; 3215 3216 dev = ice_pf_to_dev(pf); 3217 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3218 return -EOPNOTSUPP; 3219 3220 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3221 /* RSS not supported return error here */ 3222 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3223 return -EIO; 3224 } 3225 3226 if (key) { 3227 if (!vsi->rss_hkey_user) { 3228 vsi->rss_hkey_user = 3229 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3230 GFP_KERNEL); 3231 if (!vsi->rss_hkey_user) 3232 return -ENOMEM; 3233 } 3234 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3235 seed = vsi->rss_hkey_user; 3236 } 3237 3238 if (!vsi->rss_lut_user) { 3239 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3240 GFP_KERNEL); 3241 if (!vsi->rss_lut_user) 3242 return -ENOMEM; 3243 } 3244 3245 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3246 if (indir) { 3247 int i; 3248 3249 for (i = 0; i < vsi->rss_table_size; i++) 3250 vsi->rss_lut_user[i] = (u8)(indir[i]); 3251 } else { 3252 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3253 vsi->rss_size); 3254 } 3255 3256 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3257 return -EIO; 3258 3259 return 0; 3260 } 3261 3262 /** 3263 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3264 * @pf: PF structure 3265 */ 3266 static int ice_get_max_txq(struct ice_pf *pf) 3267 { 3268 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3269 (u16)pf->hw.func_caps.common_cap.num_txq); 3270 } 3271 3272 /** 3273 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3274 * @pf: PF structure 3275 */ 3276 static int ice_get_max_rxq(struct ice_pf *pf) 3277 { 3278 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3279 (u16)pf->hw.func_caps.common_cap.num_rxq); 3280 } 3281 3282 /** 3283 * ice_get_combined_cnt - return the current number of combined channels 3284 * @vsi: PF VSI pointer 3285 * 3286 * Go through all queue vectors and count ones that have both Rx and Tx ring 3287 * attached 3288 */ 3289 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3290 { 3291 u32 combined = 0; 3292 int q_idx; 3293 3294 ice_for_each_q_vector(vsi, q_idx) { 3295 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3296 3297 if (q_vector->rx.ring && q_vector->tx.ring) 3298 combined++; 3299 } 3300 3301 return combined; 3302 } 3303 3304 /** 3305 * ice_get_channels - get the current and max supported channels 3306 * @dev: network interface device structure 3307 * @ch: ethtool channel data structure 3308 */ 3309 static void 3310 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3311 { 3312 struct ice_netdev_priv *np = netdev_priv(dev); 3313 struct ice_vsi *vsi = np->vsi; 3314 struct ice_pf *pf = vsi->back; 3315 3316 /* report maximum channels */ 3317 ch->max_rx = ice_get_max_rxq(pf); 3318 ch->max_tx = ice_get_max_txq(pf); 3319 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3320 3321 /* report current channels */ 3322 ch->combined_count = ice_get_combined_cnt(vsi); 3323 ch->rx_count = vsi->num_rxq - ch->combined_count; 3324 ch->tx_count = vsi->num_txq - ch->combined_count; 3325 3326 /* report other queues */ 3327 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3328 ch->max_other = ch->other_count; 3329 } 3330 3331 /** 3332 * ice_get_valid_rss_size - return valid number of RSS queues 3333 * @hw: pointer to the HW structure 3334 * @new_size: requested RSS queues 3335 */ 3336 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3337 { 3338 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3339 3340 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3341 } 3342 3343 /** 3344 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3345 * @vsi: VSI to reconfigure RSS LUT on 3346 * @req_rss_size: requested range of queue numbers for hashing 3347 * 3348 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3349 */ 3350 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3351 { 3352 struct ice_pf *pf = vsi->back; 3353 enum ice_status status; 3354 struct device *dev; 3355 struct ice_hw *hw; 3356 int err = 0; 3357 u8 *lut; 3358 3359 dev = ice_pf_to_dev(pf); 3360 hw = &pf->hw; 3361 3362 if (!req_rss_size) 3363 return -EINVAL; 3364 3365 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3366 if (!lut) 3367 return -ENOMEM; 3368 3369 /* set RSS LUT parameters */ 3370 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3371 vsi->rss_size = 1; 3372 else 3373 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3374 3375 /* create/set RSS LUT */ 3376 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3377 status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut, 3378 vsi->rss_table_size); 3379 if (status) { 3380 dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n", 3381 ice_stat_str(status), 3382 ice_aq_str(hw->adminq.sq_last_status)); 3383 err = -EIO; 3384 } 3385 3386 kfree(lut); 3387 return err; 3388 } 3389 3390 /** 3391 * ice_set_channels - set the number channels 3392 * @dev: network interface device structure 3393 * @ch: ethtool channel data structure 3394 */ 3395 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3396 { 3397 struct ice_netdev_priv *np = netdev_priv(dev); 3398 struct ice_vsi *vsi = np->vsi; 3399 struct ice_pf *pf = vsi->back; 3400 int new_rx = 0, new_tx = 0; 3401 u32 curr_combined; 3402 3403 /* do not support changing channels in Safe Mode */ 3404 if (ice_is_safe_mode(pf)) { 3405 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3406 return -EOPNOTSUPP; 3407 } 3408 /* do not support changing other_count */ 3409 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3410 return -EINVAL; 3411 3412 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3413 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3414 return -EOPNOTSUPP; 3415 } 3416 3417 curr_combined = ice_get_combined_cnt(vsi); 3418 3419 /* these checks are for cases where user didn't specify a particular 3420 * value on cmd line but we get non-zero value anyway via 3421 * get_channels(); look at ethtool.c in ethtool repository (the user 3422 * space part), particularly, do_schannels() routine 3423 */ 3424 if (ch->rx_count == vsi->num_rxq - curr_combined) 3425 ch->rx_count = 0; 3426 if (ch->tx_count == vsi->num_txq - curr_combined) 3427 ch->tx_count = 0; 3428 if (ch->combined_count == curr_combined) 3429 ch->combined_count = 0; 3430 3431 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3432 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3433 return -EINVAL; 3434 } 3435 3436 new_rx = ch->combined_count + ch->rx_count; 3437 new_tx = ch->combined_count + ch->tx_count; 3438 3439 if (new_rx > ice_get_max_rxq(pf)) { 3440 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3441 ice_get_max_rxq(pf)); 3442 return -EINVAL; 3443 } 3444 if (new_tx > ice_get_max_txq(pf)) { 3445 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3446 ice_get_max_txq(pf)); 3447 return -EINVAL; 3448 } 3449 3450 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3451 3452 if (!netif_is_rxfh_configured(dev)) 3453 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3454 3455 /* Update rss_size due to change in Rx queues */ 3456 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3457 3458 return 0; 3459 } 3460 3461 /** 3462 * ice_get_wol - get current Wake on LAN configuration 3463 * @netdev: network interface device structure 3464 * @wol: Ethtool structure to retrieve WoL settings 3465 */ 3466 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3467 { 3468 struct ice_netdev_priv *np = netdev_priv(netdev); 3469 struct ice_pf *pf = np->vsi->back; 3470 3471 if (np->vsi->type != ICE_VSI_PF) 3472 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3473 3474 /* Get WoL settings based on the HW capability */ 3475 if (ice_is_wol_supported(pf)) { 3476 wol->supported = WAKE_MAGIC; 3477 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3478 } else { 3479 wol->supported = 0; 3480 wol->wolopts = 0; 3481 } 3482 } 3483 3484 /** 3485 * ice_set_wol - set Wake on LAN on supported device 3486 * @netdev: network interface device structure 3487 * @wol: Ethtool structure to set WoL 3488 */ 3489 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3490 { 3491 struct ice_netdev_priv *np = netdev_priv(netdev); 3492 struct ice_vsi *vsi = np->vsi; 3493 struct ice_pf *pf = vsi->back; 3494 3495 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(pf)) 3496 return -EOPNOTSUPP; 3497 3498 /* only magic packet is supported */ 3499 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3500 return -EOPNOTSUPP; 3501 3502 /* Set WoL only if there is a new value */ 3503 if (pf->wol_ena != !!wol->wolopts) { 3504 pf->wol_ena = !!wol->wolopts; 3505 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3506 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3507 pf->wol_ena ? "en" : "dis"); 3508 } 3509 3510 return 0; 3511 } 3512 3513 enum ice_container_type { 3514 ICE_RX_CONTAINER, 3515 ICE_TX_CONTAINER, 3516 }; 3517 3518 /** 3519 * ice_get_rc_coalesce - get ITR values for specific ring container 3520 * @ec: ethtool structure to fill with driver's coalesce settings 3521 * @c_type: container type, Rx or Tx 3522 * @rc: ring container that the ITR values will come from 3523 * 3524 * Query the device for ice_ring_container specific ITR values. This is 3525 * done per ice_ring_container because each q_vector can have 1 or more rings 3526 * and all of said ring(s) will have the same ITR values. 3527 * 3528 * Returns 0 on success, negative otherwise. 3529 */ 3530 static int 3531 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3532 struct ice_ring_container *rc) 3533 { 3534 struct ice_pf *pf; 3535 3536 if (!rc->ring) 3537 return -EINVAL; 3538 3539 pf = rc->ring->vsi->back; 3540 3541 switch (c_type) { 3542 case ICE_RX_CONTAINER: 3543 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3544 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3545 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3546 break; 3547 case ICE_TX_CONTAINER: 3548 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3549 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3550 break; 3551 default: 3552 dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type); 3553 return -EINVAL; 3554 } 3555 3556 return 0; 3557 } 3558 3559 /** 3560 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3561 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3562 * @ec: coalesce settings to program the device with 3563 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3564 * 3565 * Return 0 on success, and negative under the following conditions: 3566 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3567 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3568 */ 3569 static int 3570 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3571 { 3572 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3573 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3574 &vsi->rx_rings[q_num]->q_vector->rx)) 3575 return -EINVAL; 3576 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3577 &vsi->tx_rings[q_num]->q_vector->tx)) 3578 return -EINVAL; 3579 } else if (q_num < vsi->num_rxq) { 3580 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3581 &vsi->rx_rings[q_num]->q_vector->rx)) 3582 return -EINVAL; 3583 } else if (q_num < vsi->num_txq) { 3584 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3585 &vsi->tx_rings[q_num]->q_vector->tx)) 3586 return -EINVAL; 3587 } else { 3588 return -EINVAL; 3589 } 3590 3591 return 0; 3592 } 3593 3594 /** 3595 * __ice_get_coalesce - get ITR/INTRL values for the device 3596 * @netdev: pointer to the netdev associated with this query 3597 * @ec: ethtool structure to fill with driver's coalesce settings 3598 * @q_num: queue number to get the coalesce settings for 3599 * 3600 * If the caller passes in a negative q_num then we return coalesce settings 3601 * based on queue number 0, else use the actual q_num passed in. 3602 */ 3603 static int 3604 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3605 int q_num) 3606 { 3607 struct ice_netdev_priv *np = netdev_priv(netdev); 3608 struct ice_vsi *vsi = np->vsi; 3609 3610 if (q_num < 0) 3611 q_num = 0; 3612 3613 if (ice_get_q_coalesce(vsi, ec, q_num)) 3614 return -EINVAL; 3615 3616 return 0; 3617 } 3618 3619 static int 3620 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3621 { 3622 return __ice_get_coalesce(netdev, ec, -1); 3623 } 3624 3625 static int 3626 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3627 struct ethtool_coalesce *ec) 3628 { 3629 return __ice_get_coalesce(netdev, ec, q_num); 3630 } 3631 3632 /** 3633 * ice_set_rc_coalesce - set ITR values for specific ring container 3634 * @c_type: container type, Rx or Tx 3635 * @ec: ethtool structure from user to update ITR settings 3636 * @rc: ring container that the ITR values will come from 3637 * @vsi: VSI associated to the ring container 3638 * 3639 * Set specific ITR values. This is done per ice_ring_container because each 3640 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3641 * ITR values. 3642 * 3643 * Returns 0 on success, negative otherwise. 3644 */ 3645 static int 3646 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3647 struct ice_ring_container *rc, struct ice_vsi *vsi) 3648 { 3649 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3650 u32 use_adaptive_coalesce, coalesce_usecs; 3651 struct ice_pf *pf = vsi->back; 3652 u16 itr_setting; 3653 3654 if (!rc->ring) 3655 return -EINVAL; 3656 3657 switch (c_type) { 3658 case ICE_RX_CONTAINER: 3659 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3660 (ec->rx_coalesce_usecs_high && 3661 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3662 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3663 c_type_str, pf->hw.intrl_gran, 3664 ICE_MAX_INTRL); 3665 return -EINVAL; 3666 } 3667 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3668 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3669 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3670 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3671 pf->hw.intrl_gran)); 3672 } 3673 3674 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3675 coalesce_usecs = ec->rx_coalesce_usecs; 3676 3677 break; 3678 case ICE_TX_CONTAINER: 3679 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3680 coalesce_usecs = ec->tx_coalesce_usecs; 3681 3682 break; 3683 default: 3684 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3685 c_type); 3686 return -EINVAL; 3687 } 3688 3689 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3690 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3691 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3692 c_type_str, c_type_str); 3693 return -EINVAL; 3694 } 3695 3696 if (coalesce_usecs > ICE_ITR_MAX) { 3697 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3698 c_type_str, ICE_ITR_MAX); 3699 return -EINVAL; 3700 } 3701 3702 if (use_adaptive_coalesce) { 3703 rc->itr_setting |= ICE_ITR_DYNAMIC; 3704 } else { 3705 /* save the user set usecs */ 3706 rc->itr_setting = coalesce_usecs; 3707 /* device ITR granularity is in 2 usec increments */ 3708 rc->target_itr = ITR_REG_ALIGN(rc->itr_setting); 3709 } 3710 3711 return 0; 3712 } 3713 3714 /** 3715 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3716 * @vsi: VSI associated to the queue that need updating 3717 * @ec: coalesce settings to program the device with 3718 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3719 * 3720 * Return 0 on success, and negative under the following conditions: 3721 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3722 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3723 */ 3724 static int 3725 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3726 { 3727 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3728 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3729 &vsi->rx_rings[q_num]->q_vector->rx, 3730 vsi)) 3731 return -EINVAL; 3732 3733 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3734 &vsi->tx_rings[q_num]->q_vector->tx, 3735 vsi)) 3736 return -EINVAL; 3737 } else if (q_num < vsi->num_rxq) { 3738 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3739 &vsi->rx_rings[q_num]->q_vector->rx, 3740 vsi)) 3741 return -EINVAL; 3742 } else if (q_num < vsi->num_txq) { 3743 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3744 &vsi->tx_rings[q_num]->q_vector->tx, 3745 vsi)) 3746 return -EINVAL; 3747 } else { 3748 return -EINVAL; 3749 } 3750 3751 return 0; 3752 } 3753 3754 /** 3755 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3756 * @netdev: netdev used for print 3757 * @itr_setting: previous user setting 3758 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3759 * @coalesce_usecs: requested value of [tx|rx]-usecs 3760 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3761 */ 3762 static void 3763 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3764 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3765 const char *c_type_str) 3766 { 3767 if (use_adaptive_coalesce) 3768 return; 3769 3770 itr_setting = ITR_TO_REG(itr_setting); 3771 3772 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3773 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", 3774 c_type_str, coalesce_usecs, c_type_str, 3775 ITR_REG_ALIGN(coalesce_usecs)); 3776 } 3777 3778 /** 3779 * __ice_set_coalesce - set ITR/INTRL values for the device 3780 * @netdev: pointer to the netdev associated with this query 3781 * @ec: ethtool structure to fill with driver's coalesce settings 3782 * @q_num: queue number to get the coalesce settings for 3783 * 3784 * If the caller passes in a negative q_num then we set the coalesce settings 3785 * for all Tx/Rx queues, else use the actual q_num passed in. 3786 */ 3787 static int 3788 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3789 int q_num) 3790 { 3791 struct ice_netdev_priv *np = netdev_priv(netdev); 3792 struct ice_vsi *vsi = np->vsi; 3793 3794 if (q_num < 0) { 3795 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3796 int v_idx; 3797 3798 if (q_vector) { 3799 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3800 ec->use_adaptive_rx_coalesce, 3801 ec->rx_coalesce_usecs, "rx"); 3802 3803 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3804 ec->use_adaptive_tx_coalesce, 3805 ec->tx_coalesce_usecs, "tx"); 3806 } 3807 3808 ice_for_each_q_vector(vsi, v_idx) { 3809 /* In some cases if DCB is configured the num_[rx|tx]q 3810 * can be less than vsi->num_q_vectors. This check 3811 * accounts for that so we don't report a false failure 3812 */ 3813 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3814 goto set_complete; 3815 3816 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3817 return -EINVAL; 3818 } 3819 goto set_complete; 3820 } 3821 3822 if (ice_set_q_coalesce(vsi, ec, q_num)) 3823 return -EINVAL; 3824 3825 set_complete: 3826 3827 return 0; 3828 } 3829 3830 static int 3831 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3832 { 3833 return __ice_set_coalesce(netdev, ec, -1); 3834 } 3835 3836 static int 3837 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3838 struct ethtool_coalesce *ec) 3839 { 3840 return __ice_set_coalesce(netdev, ec, q_num); 3841 } 3842 3843 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3844 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3845 #define ICE_MODULE_TYPE_SFP 0x03 3846 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3847 #define ICE_MODULE_TYPE_QSFP28 0x11 3848 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3849 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3850 #define ICE_MODULE_REVISION_ADDR 0x01 3851 #define ICE_MODULE_SFF_8472_COMP 0x5E 3852 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3853 #define ICE_MODULE_QSFP_MAX_LEN 640 3854 3855 /** 3856 * ice_get_module_info - get SFF module type and revision information 3857 * @netdev: network interface device structure 3858 * @modinfo: module EEPROM size and layout information structure 3859 */ 3860 static int 3861 ice_get_module_info(struct net_device *netdev, 3862 struct ethtool_modinfo *modinfo) 3863 { 3864 struct ice_netdev_priv *np = netdev_priv(netdev); 3865 struct ice_vsi *vsi = np->vsi; 3866 struct ice_pf *pf = vsi->back; 3867 struct ice_hw *hw = &pf->hw; 3868 enum ice_status status; 3869 u8 sff8472_comp = 0; 3870 u8 sff8472_swap = 0; 3871 u8 sff8636_rev = 0; 3872 u8 value = 0; 3873 3874 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3875 0, &value, 1, 0, NULL); 3876 if (status) 3877 return -EIO; 3878 3879 switch (value) { 3880 case ICE_MODULE_TYPE_SFP: 3881 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3882 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3883 &sff8472_comp, 1, 0, NULL); 3884 if (status) 3885 return -EIO; 3886 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3887 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3888 &sff8472_swap, 1, 0, NULL); 3889 if (status) 3890 return -EIO; 3891 3892 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3893 modinfo->type = ETH_MODULE_SFF_8079; 3894 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3895 } else if (sff8472_comp && 3896 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3897 modinfo->type = ETH_MODULE_SFF_8472; 3898 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3899 } else { 3900 modinfo->type = ETH_MODULE_SFF_8079; 3901 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3902 } 3903 break; 3904 case ICE_MODULE_TYPE_QSFP_PLUS: 3905 case ICE_MODULE_TYPE_QSFP28: 3906 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3907 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3908 &sff8636_rev, 1, 0, NULL); 3909 if (status) 3910 return -EIO; 3911 /* Check revision compliance */ 3912 if (sff8636_rev > 0x02) { 3913 /* Module is SFF-8636 compliant */ 3914 modinfo->type = ETH_MODULE_SFF_8636; 3915 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3916 } else { 3917 modinfo->type = ETH_MODULE_SFF_8436; 3918 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3919 } 3920 break; 3921 default: 3922 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3923 return -EINVAL; 3924 } 3925 return 0; 3926 } 3927 3928 /** 3929 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3930 * @netdev: network interface device structure 3931 * @ee: EEPROM dump request structure 3932 * @data: buffer to be filled with EEPROM contents 3933 */ 3934 static int 3935 ice_get_module_eeprom(struct net_device *netdev, 3936 struct ethtool_eeprom *ee, u8 *data) 3937 { 3938 struct ice_netdev_priv *np = netdev_priv(netdev); 3939 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 3940 struct ice_vsi *vsi = np->vsi; 3941 struct ice_pf *pf = vsi->back; 3942 struct ice_hw *hw = &pf->hw; 3943 enum ice_status status; 3944 bool is_sfp = false; 3945 unsigned int i; 3946 u16 offset = 0; 3947 u8 value = 0; 3948 u8 page = 0; 3949 3950 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, 3951 &value, 1, 0, NULL); 3952 if (status) 3953 return -EIO; 3954 3955 if (!ee || !ee->len || !data) 3956 return -EINVAL; 3957 3958 if (value == ICE_MODULE_TYPE_SFP) 3959 is_sfp = true; 3960 3961 for (i = 0; i < ee->len; i++) { 3962 offset = i + ee->offset; 3963 3964 /* Check if we need to access the other memory page */ 3965 if (is_sfp) { 3966 if (offset >= ETH_MODULE_SFF_8079_LEN) { 3967 offset -= ETH_MODULE_SFF_8079_LEN; 3968 addr = ICE_I2C_EEPROM_DEV_ADDR2; 3969 } 3970 } else { 3971 while (offset >= ETH_MODULE_SFF_8436_LEN) { 3972 /* Compute memory page number and offset. */ 3973 offset -= ETH_MODULE_SFF_8436_LEN / 2; 3974 page++; 3975 } 3976 } 3977 3978 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp, 3979 &value, 1, 0, NULL); 3980 if (status) 3981 value = 0; 3982 data[i] = value; 3983 } 3984 return 0; 3985 } 3986 3987 static const struct ethtool_ops ice_ethtool_ops = { 3988 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 3989 ETHTOOL_COALESCE_USE_ADAPTIVE | 3990 ETHTOOL_COALESCE_RX_USECS_HIGH, 3991 .get_link_ksettings = ice_get_link_ksettings, 3992 .set_link_ksettings = ice_set_link_ksettings, 3993 .get_drvinfo = ice_get_drvinfo, 3994 .get_regs_len = ice_get_regs_len, 3995 .get_regs = ice_get_regs, 3996 .get_wol = ice_get_wol, 3997 .set_wol = ice_set_wol, 3998 .get_msglevel = ice_get_msglevel, 3999 .set_msglevel = ice_set_msglevel, 4000 .self_test = ice_self_test, 4001 .get_link = ethtool_op_get_link, 4002 .get_eeprom_len = ice_get_eeprom_len, 4003 .get_eeprom = ice_get_eeprom, 4004 .get_coalesce = ice_get_coalesce, 4005 .set_coalesce = ice_set_coalesce, 4006 .get_strings = ice_get_strings, 4007 .set_phys_id = ice_set_phys_id, 4008 .get_ethtool_stats = ice_get_ethtool_stats, 4009 .get_priv_flags = ice_get_priv_flags, 4010 .set_priv_flags = ice_set_priv_flags, 4011 .get_sset_count = ice_get_sset_count, 4012 .get_rxnfc = ice_get_rxnfc, 4013 .set_rxnfc = ice_set_rxnfc, 4014 .get_ringparam = ice_get_ringparam, 4015 .set_ringparam = ice_set_ringparam, 4016 .nway_reset = ice_nway_reset, 4017 .get_pauseparam = ice_get_pauseparam, 4018 .set_pauseparam = ice_set_pauseparam, 4019 .get_rxfh_key_size = ice_get_rxfh_key_size, 4020 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4021 .get_rxfh = ice_get_rxfh, 4022 .set_rxfh = ice_set_rxfh, 4023 .get_channels = ice_get_channels, 4024 .set_channels = ice_set_channels, 4025 .get_ts_info = ethtool_op_get_ts_info, 4026 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4027 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4028 .get_fecparam = ice_get_fecparam, 4029 .set_fecparam = ice_set_fecparam, 4030 .get_module_info = ice_get_module_info, 4031 .get_module_eeprom = ice_get_module_eeprom, 4032 }; 4033 4034 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4035 .get_link_ksettings = ice_get_link_ksettings, 4036 .set_link_ksettings = ice_set_link_ksettings, 4037 .get_drvinfo = ice_get_drvinfo, 4038 .get_regs_len = ice_get_regs_len, 4039 .get_regs = ice_get_regs, 4040 .get_wol = ice_get_wol, 4041 .set_wol = ice_set_wol, 4042 .get_msglevel = ice_get_msglevel, 4043 .set_msglevel = ice_set_msglevel, 4044 .get_link = ethtool_op_get_link, 4045 .get_eeprom_len = ice_get_eeprom_len, 4046 .get_eeprom = ice_get_eeprom, 4047 .get_strings = ice_get_strings, 4048 .get_ethtool_stats = ice_get_ethtool_stats, 4049 .get_sset_count = ice_get_sset_count, 4050 .get_ringparam = ice_get_ringparam, 4051 .set_ringparam = ice_set_ringparam, 4052 .nway_reset = ice_nway_reset, 4053 .get_channels = ice_get_channels, 4054 }; 4055 4056 /** 4057 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4058 * @netdev: network interface device structure 4059 */ 4060 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4061 { 4062 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4063 } 4064 4065 /** 4066 * ice_set_ethtool_ops - setup netdev ethtool ops 4067 * @netdev: network interface device structure 4068 * 4069 * setup netdev ethtool ops with ice specific ops 4070 */ 4071 void ice_set_ethtool_ops(struct net_device *netdev) 4072 { 4073 netdev->ethtool_ops = &ice_ethtool_ops; 4074 } 4075