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 unsigned int i; 875 u8 *p = data; 876 877 switch (stringset) { 878 case ETH_SS_STATS: 879 for (i = 0; i < ICE_VSI_STATS_LEN; i++) 880 ethtool_sprintf(&p, 881 ice_gstrings_vsi_stats[i].stat_string); 882 883 ice_for_each_alloc_txq(vsi, i) { 884 ethtool_sprintf(&p, "tx_queue_%u_packets", i); 885 ethtool_sprintf(&p, "tx_queue_%u_bytes", i); 886 } 887 888 ice_for_each_alloc_rxq(vsi, i) { 889 ethtool_sprintf(&p, "rx_queue_%u_packets", i); 890 ethtool_sprintf(&p, "rx_queue_%u_bytes", i); 891 } 892 893 if (vsi->type != ICE_VSI_PF) 894 return; 895 896 for (i = 0; i < ICE_PF_STATS_LEN; i++) 897 ethtool_sprintf(&p, 898 ice_gstrings_pf_stats[i].stat_string); 899 900 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 901 ethtool_sprintf(&p, "tx_priority_%u_xon.nic", i); 902 ethtool_sprintf(&p, "tx_priority_%u_xoff.nic", i); 903 } 904 for (i = 0; i < ICE_MAX_USER_PRIORITY; i++) { 905 ethtool_sprintf(&p, "rx_priority_%u_xon.nic", i); 906 ethtool_sprintf(&p, "rx_priority_%u_xoff.nic", i); 907 } 908 break; 909 case ETH_SS_TEST: 910 memcpy(data, ice_gstrings_test, ICE_TEST_LEN * ETH_GSTRING_LEN); 911 break; 912 case ETH_SS_PRIV_FLAGS: 913 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) 914 ethtool_sprintf(&p, ice_gstrings_priv_flags[i].name); 915 break; 916 default: 917 break; 918 } 919 } 920 921 static int 922 ice_set_phys_id(struct net_device *netdev, enum ethtool_phys_id_state state) 923 { 924 struct ice_netdev_priv *np = netdev_priv(netdev); 925 bool led_active; 926 927 switch (state) { 928 case ETHTOOL_ID_ACTIVE: 929 led_active = true; 930 break; 931 case ETHTOOL_ID_INACTIVE: 932 led_active = false; 933 break; 934 default: 935 return -EINVAL; 936 } 937 938 if (ice_aq_set_port_id_led(np->vsi->port_info, !led_active, NULL)) 939 return -EIO; 940 941 return 0; 942 } 943 944 /** 945 * ice_set_fec_cfg - Set link FEC options 946 * @netdev: network interface device structure 947 * @req_fec: FEC mode to configure 948 */ 949 static int ice_set_fec_cfg(struct net_device *netdev, enum ice_fec_mode req_fec) 950 { 951 struct ice_netdev_priv *np = netdev_priv(netdev); 952 struct ice_aqc_set_phy_cfg_data config = { 0 }; 953 struct ice_vsi *vsi = np->vsi; 954 struct ice_port_info *pi; 955 956 pi = vsi->port_info; 957 if (!pi) 958 return -EOPNOTSUPP; 959 960 /* Changing the FEC parameters is not supported if not the PF VSI */ 961 if (vsi->type != ICE_VSI_PF) { 962 netdev_info(netdev, "Changing FEC parameters only supported for PF VSI\n"); 963 return -EOPNOTSUPP; 964 } 965 966 /* Proceed only if requesting different FEC mode */ 967 if (pi->phy.curr_user_fec_req == req_fec) 968 return 0; 969 970 /* Copy the current user PHY configuration. The current user PHY 971 * configuration is initialized during probe from PHY capabilities 972 * software mode, and updated on set PHY configuration. 973 */ 974 memcpy(&config, &pi->phy.curr_user_phy_cfg, sizeof(config)); 975 976 ice_cfg_phy_fec(pi, &config, req_fec); 977 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 978 979 if (ice_aq_set_phy_cfg(pi->hw, pi, &config, NULL)) 980 return -EAGAIN; 981 982 /* Save requested FEC config */ 983 pi->phy.curr_user_fec_req = req_fec; 984 985 return 0; 986 } 987 988 /** 989 * ice_set_fecparam - Set FEC link options 990 * @netdev: network interface device structure 991 * @fecparam: Ethtool structure to retrieve FEC parameters 992 */ 993 static int 994 ice_set_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 995 { 996 struct ice_netdev_priv *np = netdev_priv(netdev); 997 struct ice_vsi *vsi = np->vsi; 998 enum ice_fec_mode fec; 999 1000 switch (fecparam->fec) { 1001 case ETHTOOL_FEC_AUTO: 1002 fec = ICE_FEC_AUTO; 1003 break; 1004 case ETHTOOL_FEC_RS: 1005 fec = ICE_FEC_RS; 1006 break; 1007 case ETHTOOL_FEC_BASER: 1008 fec = ICE_FEC_BASER; 1009 break; 1010 case ETHTOOL_FEC_OFF: 1011 case ETHTOOL_FEC_NONE: 1012 fec = ICE_FEC_NONE; 1013 break; 1014 default: 1015 dev_warn(ice_pf_to_dev(vsi->back), "Unsupported FEC mode: %d\n", 1016 fecparam->fec); 1017 return -EINVAL; 1018 } 1019 1020 return ice_set_fec_cfg(netdev, fec); 1021 } 1022 1023 /** 1024 * ice_get_fecparam - Get link FEC options 1025 * @netdev: network interface device structure 1026 * @fecparam: Ethtool structure to retrieve FEC parameters 1027 */ 1028 static int 1029 ice_get_fecparam(struct net_device *netdev, struct ethtool_fecparam *fecparam) 1030 { 1031 struct ice_netdev_priv *np = netdev_priv(netdev); 1032 struct ice_aqc_get_phy_caps_data *caps; 1033 struct ice_link_status *link_info; 1034 struct ice_vsi *vsi = np->vsi; 1035 struct ice_port_info *pi; 1036 enum ice_status status; 1037 int err = 0; 1038 1039 pi = vsi->port_info; 1040 1041 if (!pi) 1042 return -EOPNOTSUPP; 1043 link_info = &pi->phy.link_info; 1044 1045 /* Set FEC mode based on negotiated link info */ 1046 switch (link_info->fec_info) { 1047 case ICE_AQ_LINK_25G_KR_FEC_EN: 1048 fecparam->active_fec = ETHTOOL_FEC_BASER; 1049 break; 1050 case ICE_AQ_LINK_25G_RS_528_FEC_EN: 1051 case ICE_AQ_LINK_25G_RS_544_FEC_EN: 1052 fecparam->active_fec = ETHTOOL_FEC_RS; 1053 break; 1054 default: 1055 fecparam->active_fec = ETHTOOL_FEC_OFF; 1056 break; 1057 } 1058 1059 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1060 if (!caps) 1061 return -ENOMEM; 1062 1063 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_TOPO_CAP, 1064 caps, NULL); 1065 if (status) { 1066 err = -EAGAIN; 1067 goto done; 1068 } 1069 1070 /* Set supported/configured FEC modes based on PHY capability */ 1071 if (caps->caps & ICE_AQC_PHY_EN_AUTO_FEC) 1072 fecparam->fec |= ETHTOOL_FEC_AUTO; 1073 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 1074 caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 1075 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN || 1076 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 1077 fecparam->fec |= ETHTOOL_FEC_BASER; 1078 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 1079 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ || 1080 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 1081 fecparam->fec |= ETHTOOL_FEC_RS; 1082 if (caps->link_fec_options == 0) 1083 fecparam->fec |= ETHTOOL_FEC_OFF; 1084 1085 done: 1086 kfree(caps); 1087 return err; 1088 } 1089 1090 /** 1091 * ice_nway_reset - restart autonegotiation 1092 * @netdev: network interface device structure 1093 */ 1094 static int ice_nway_reset(struct net_device *netdev) 1095 { 1096 struct ice_netdev_priv *np = netdev_priv(netdev); 1097 struct ice_vsi *vsi = np->vsi; 1098 struct ice_port_info *pi; 1099 enum ice_status status; 1100 1101 pi = vsi->port_info; 1102 /* If VSI state is up, then restart autoneg with link up */ 1103 if (!test_bit(__ICE_DOWN, vsi->back->state)) 1104 status = ice_aq_set_link_restart_an(pi, true, NULL); 1105 else 1106 status = ice_aq_set_link_restart_an(pi, false, NULL); 1107 1108 if (status) { 1109 netdev_info(netdev, "link restart failed, err %s aq_err %s\n", 1110 ice_stat_str(status), 1111 ice_aq_str(pi->hw->adminq.sq_last_status)); 1112 return -EIO; 1113 } 1114 1115 return 0; 1116 } 1117 1118 /** 1119 * ice_get_priv_flags - report device private flags 1120 * @netdev: network interface device structure 1121 * 1122 * The get string set count and the string set should be matched for each 1123 * flag returned. Add new strings for each flag to the ice_gstrings_priv_flags 1124 * array. 1125 * 1126 * Returns a u32 bitmap of flags. 1127 */ 1128 static u32 ice_get_priv_flags(struct net_device *netdev) 1129 { 1130 struct ice_netdev_priv *np = netdev_priv(netdev); 1131 struct ice_vsi *vsi = np->vsi; 1132 struct ice_pf *pf = vsi->back; 1133 u32 i, ret_flags = 0; 1134 1135 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1136 const struct ice_priv_flag *priv_flag; 1137 1138 priv_flag = &ice_gstrings_priv_flags[i]; 1139 1140 if (test_bit(priv_flag->bitno, pf->flags)) 1141 ret_flags |= BIT(i); 1142 } 1143 1144 return ret_flags; 1145 } 1146 1147 /** 1148 * ice_set_priv_flags - set private flags 1149 * @netdev: network interface device structure 1150 * @flags: bit flags to be set 1151 */ 1152 static int ice_set_priv_flags(struct net_device *netdev, u32 flags) 1153 { 1154 struct ice_netdev_priv *np = netdev_priv(netdev); 1155 DECLARE_BITMAP(change_flags, ICE_PF_FLAGS_NBITS); 1156 DECLARE_BITMAP(orig_flags, ICE_PF_FLAGS_NBITS); 1157 struct ice_vsi *vsi = np->vsi; 1158 struct ice_pf *pf = vsi->back; 1159 struct device *dev; 1160 int ret = 0; 1161 u32 i; 1162 1163 if (flags > BIT(ICE_PRIV_FLAG_ARRAY_SIZE)) 1164 return -EINVAL; 1165 1166 dev = ice_pf_to_dev(pf); 1167 set_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1168 1169 bitmap_copy(orig_flags, pf->flags, ICE_PF_FLAGS_NBITS); 1170 for (i = 0; i < ICE_PRIV_FLAG_ARRAY_SIZE; i++) { 1171 const struct ice_priv_flag *priv_flag; 1172 1173 priv_flag = &ice_gstrings_priv_flags[i]; 1174 1175 if (flags & BIT(i)) 1176 set_bit(priv_flag->bitno, pf->flags); 1177 else 1178 clear_bit(priv_flag->bitno, pf->flags); 1179 } 1180 1181 bitmap_xor(change_flags, pf->flags, orig_flags, ICE_PF_FLAGS_NBITS); 1182 1183 /* Do not allow change to link-down-on-close when Total Port Shutdown 1184 * is enabled. 1185 */ 1186 if (test_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, change_flags) && 1187 test_bit(ICE_FLAG_TOTAL_PORT_SHUTDOWN_ENA, pf->flags)) { 1188 dev_err(dev, "Setting link-down-on-close not supported on this port\n"); 1189 set_bit(ICE_FLAG_LINK_DOWN_ON_CLOSE_ENA, pf->flags); 1190 ret = -EINVAL; 1191 goto ethtool_exit; 1192 } 1193 1194 if (test_bit(ICE_FLAG_FW_LLDP_AGENT, change_flags)) { 1195 if (!test_bit(ICE_FLAG_FW_LLDP_AGENT, pf->flags)) { 1196 enum ice_status status; 1197 1198 /* Disable FW LLDP engine */ 1199 status = ice_cfg_lldp_mib_change(&pf->hw, false); 1200 1201 /* If unregistering for LLDP events fails, this is 1202 * not an error state, as there shouldn't be any 1203 * events to respond to. 1204 */ 1205 if (status) 1206 dev_info(dev, "Failed to unreg for LLDP events\n"); 1207 1208 /* The AQ call to stop the FW LLDP agent will generate 1209 * an error if the agent is already stopped. 1210 */ 1211 status = ice_aq_stop_lldp(&pf->hw, true, true, NULL); 1212 if (status) 1213 dev_warn(dev, "Fail to stop LLDP agent\n"); 1214 /* Use case for having the FW LLDP agent stopped 1215 * will likely not need DCB, so failure to init is 1216 * not a concern of ethtool 1217 */ 1218 status = ice_init_pf_dcb(pf, true); 1219 if (status) 1220 dev_warn(dev, "Fail to init DCB\n"); 1221 1222 pf->dcbx_cap &= ~DCB_CAP_DCBX_LLD_MANAGED; 1223 pf->dcbx_cap |= DCB_CAP_DCBX_HOST; 1224 } else { 1225 enum ice_status status; 1226 bool dcbx_agent_status; 1227 1228 /* Remove rule to direct LLDP packets to default VSI. 1229 * The FW LLDP engine will now be consuming them. 1230 */ 1231 ice_cfg_sw_lldp(vsi, false, false); 1232 1233 /* AQ command to start FW LLDP agent will return an 1234 * error if the agent is already started 1235 */ 1236 status = ice_aq_start_lldp(&pf->hw, true, NULL); 1237 if (status) 1238 dev_warn(dev, "Fail to start LLDP Agent\n"); 1239 1240 /* AQ command to start FW DCBX agent will fail if 1241 * the agent is already started 1242 */ 1243 status = ice_aq_start_stop_dcbx(&pf->hw, true, 1244 &dcbx_agent_status, 1245 NULL); 1246 if (status) 1247 dev_dbg(dev, "Failed to start FW DCBX\n"); 1248 1249 dev_info(dev, "FW DCBX agent is %s\n", 1250 dcbx_agent_status ? "ACTIVE" : "DISABLED"); 1251 1252 /* Failure to configure MIB change or init DCB is not 1253 * relevant to ethtool. Print notification that 1254 * registration/init failed but do not return error 1255 * state to ethtool 1256 */ 1257 status = ice_init_pf_dcb(pf, true); 1258 if (status) 1259 dev_dbg(dev, "Fail to init DCB\n"); 1260 1261 /* Register for MIB change events */ 1262 status = ice_cfg_lldp_mib_change(&pf->hw, true); 1263 if (status) 1264 dev_dbg(dev, "Fail to enable MIB change events\n"); 1265 1266 pf->dcbx_cap &= ~DCB_CAP_DCBX_HOST; 1267 pf->dcbx_cap |= DCB_CAP_DCBX_LLD_MANAGED; 1268 1269 ice_nway_reset(netdev); 1270 } 1271 } 1272 if (test_bit(ICE_FLAG_LEGACY_RX, change_flags)) { 1273 /* down and up VSI so that changes of Rx cfg are reflected. */ 1274 ice_down(vsi); 1275 ice_up(vsi); 1276 } 1277 /* don't allow modification of this flag when a single VF is in 1278 * promiscuous mode because it's not supported 1279 */ 1280 if (test_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, change_flags) && 1281 ice_is_any_vf_in_promisc(pf)) { 1282 dev_err(dev, "Changing vf-true-promisc-support flag while VF(s) are in promiscuous mode not supported\n"); 1283 /* toggle bit back to previous state */ 1284 change_bit(ICE_FLAG_VF_TRUE_PROMISC_ENA, pf->flags); 1285 ret = -EAGAIN; 1286 } 1287 ethtool_exit: 1288 clear_bit(ICE_FLAG_ETHTOOL_CTXT, pf->flags); 1289 return ret; 1290 } 1291 1292 static int ice_get_sset_count(struct net_device *netdev, int sset) 1293 { 1294 switch (sset) { 1295 case ETH_SS_STATS: 1296 /* The number (and order) of strings reported *must* remain 1297 * constant for a given netdevice. This function must not 1298 * report a different number based on run time parameters 1299 * (such as the number of queues in use, or the setting of 1300 * a private ethtool flag). This is due to the nature of the 1301 * ethtool stats API. 1302 * 1303 * Userspace programs such as ethtool must make 3 separate 1304 * ioctl requests, one for size, one for the strings, and 1305 * finally one for the stats. Since these cross into 1306 * userspace, changes to the number or size could result in 1307 * undefined memory access or incorrect string<->value 1308 * correlations for statistics. 1309 * 1310 * Even if it appears to be safe, changes to the size or 1311 * order of strings will suffer from race conditions and are 1312 * not safe. 1313 */ 1314 return ICE_ALL_STATS_LEN(netdev); 1315 case ETH_SS_TEST: 1316 return ICE_TEST_LEN; 1317 case ETH_SS_PRIV_FLAGS: 1318 return ICE_PRIV_FLAG_ARRAY_SIZE; 1319 default: 1320 return -EOPNOTSUPP; 1321 } 1322 } 1323 1324 static void 1325 ice_get_ethtool_stats(struct net_device *netdev, 1326 struct ethtool_stats __always_unused *stats, u64 *data) 1327 { 1328 struct ice_netdev_priv *np = netdev_priv(netdev); 1329 struct ice_vsi *vsi = np->vsi; 1330 struct ice_pf *pf = vsi->back; 1331 struct ice_ring *ring; 1332 unsigned int j; 1333 int i = 0; 1334 char *p; 1335 1336 ice_update_pf_stats(pf); 1337 ice_update_vsi_stats(vsi); 1338 1339 for (j = 0; j < ICE_VSI_STATS_LEN; j++) { 1340 p = (char *)vsi + ice_gstrings_vsi_stats[j].stat_offset; 1341 data[i++] = (ice_gstrings_vsi_stats[j].sizeof_stat == 1342 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1343 } 1344 1345 /* populate per queue stats */ 1346 rcu_read_lock(); 1347 1348 ice_for_each_alloc_txq(vsi, j) { 1349 ring = READ_ONCE(vsi->tx_rings[j]); 1350 if (ring) { 1351 data[i++] = ring->stats.pkts; 1352 data[i++] = ring->stats.bytes; 1353 } else { 1354 data[i++] = 0; 1355 data[i++] = 0; 1356 } 1357 } 1358 1359 ice_for_each_alloc_rxq(vsi, j) { 1360 ring = READ_ONCE(vsi->rx_rings[j]); 1361 if (ring) { 1362 data[i++] = ring->stats.pkts; 1363 data[i++] = ring->stats.bytes; 1364 } else { 1365 data[i++] = 0; 1366 data[i++] = 0; 1367 } 1368 } 1369 1370 rcu_read_unlock(); 1371 1372 if (vsi->type != ICE_VSI_PF) 1373 return; 1374 1375 for (j = 0; j < ICE_PF_STATS_LEN; j++) { 1376 p = (char *)pf + ice_gstrings_pf_stats[j].stat_offset; 1377 data[i++] = (ice_gstrings_pf_stats[j].sizeof_stat == 1378 sizeof(u64)) ? *(u64 *)p : *(u32 *)p; 1379 } 1380 1381 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1382 data[i++] = pf->stats.priority_xon_tx[j]; 1383 data[i++] = pf->stats.priority_xoff_tx[j]; 1384 } 1385 1386 for (j = 0; j < ICE_MAX_USER_PRIORITY; j++) { 1387 data[i++] = pf->stats.priority_xon_rx[j]; 1388 data[i++] = pf->stats.priority_xoff_rx[j]; 1389 } 1390 } 1391 1392 #define ICE_PHY_TYPE_LOW_MASK_MIN_1G (ICE_PHY_TYPE_LOW_100BASE_TX | \ 1393 ICE_PHY_TYPE_LOW_100M_SGMII) 1394 1395 #define ICE_PHY_TYPE_LOW_MASK_MIN_25G (ICE_PHY_TYPE_LOW_MASK_MIN_1G | \ 1396 ICE_PHY_TYPE_LOW_1000BASE_T | \ 1397 ICE_PHY_TYPE_LOW_1000BASE_SX | \ 1398 ICE_PHY_TYPE_LOW_1000BASE_LX | \ 1399 ICE_PHY_TYPE_LOW_1000BASE_KX | \ 1400 ICE_PHY_TYPE_LOW_1G_SGMII | \ 1401 ICE_PHY_TYPE_LOW_2500BASE_T | \ 1402 ICE_PHY_TYPE_LOW_2500BASE_X | \ 1403 ICE_PHY_TYPE_LOW_2500BASE_KX | \ 1404 ICE_PHY_TYPE_LOW_5GBASE_T | \ 1405 ICE_PHY_TYPE_LOW_5GBASE_KR | \ 1406 ICE_PHY_TYPE_LOW_10GBASE_T | \ 1407 ICE_PHY_TYPE_LOW_10G_SFI_DA | \ 1408 ICE_PHY_TYPE_LOW_10GBASE_SR | \ 1409 ICE_PHY_TYPE_LOW_10GBASE_LR | \ 1410 ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 | \ 1411 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | \ 1412 ICE_PHY_TYPE_LOW_10G_SFI_C2C) 1413 1414 #define ICE_PHY_TYPE_LOW_MASK_100G (ICE_PHY_TYPE_LOW_100GBASE_CR4 | \ 1415 ICE_PHY_TYPE_LOW_100GBASE_SR4 | \ 1416 ICE_PHY_TYPE_LOW_100GBASE_LR4 | \ 1417 ICE_PHY_TYPE_LOW_100GBASE_KR4 | \ 1418 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | \ 1419 ICE_PHY_TYPE_LOW_100G_CAUI4 | \ 1420 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | \ 1421 ICE_PHY_TYPE_LOW_100G_AUI4 | \ 1422 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | \ 1423 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 | \ 1424 ICE_PHY_TYPE_LOW_100GBASE_CP2 | \ 1425 ICE_PHY_TYPE_LOW_100GBASE_SR2 | \ 1426 ICE_PHY_TYPE_LOW_100GBASE_DR) 1427 1428 #define ICE_PHY_TYPE_HIGH_MASK_100G (ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4 | \ 1429 ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC |\ 1430 ICE_PHY_TYPE_HIGH_100G_CAUI2 | \ 1431 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | \ 1432 ICE_PHY_TYPE_HIGH_100G_AUI2) 1433 1434 /** 1435 * ice_mask_min_supported_speeds 1436 * @phy_types_high: PHY type high 1437 * @phy_types_low: PHY type low to apply minimum supported speeds mask 1438 * 1439 * Apply minimum supported speeds mask to PHY type low. These are the speeds 1440 * for ethtool supported link mode. 1441 */ 1442 static 1443 void ice_mask_min_supported_speeds(u64 phy_types_high, u64 *phy_types_low) 1444 { 1445 /* if QSFP connection with 100G speed, minimum supported speed is 25G */ 1446 if (*phy_types_low & ICE_PHY_TYPE_LOW_MASK_100G || 1447 phy_types_high & ICE_PHY_TYPE_HIGH_MASK_100G) 1448 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_25G; 1449 else 1450 *phy_types_low &= ~ICE_PHY_TYPE_LOW_MASK_MIN_1G; 1451 } 1452 1453 #define ice_ethtool_advertise_link_mode(aq_link_speed, ethtool_link_mode) \ 1454 do { \ 1455 if (req_speeds & (aq_link_speed) || \ 1456 (!req_speeds && \ 1457 (adv_phy_type_lo & phy_type_mask_lo || \ 1458 adv_phy_type_hi & phy_type_mask_hi))) \ 1459 ethtool_link_ksettings_add_link_mode(ks, advertising,\ 1460 ethtool_link_mode); \ 1461 } while (0) 1462 1463 /** 1464 * ice_phy_type_to_ethtool - convert the phy_types to ethtool link modes 1465 * @netdev: network interface device structure 1466 * @ks: ethtool link ksettings struct to fill out 1467 */ 1468 static void 1469 ice_phy_type_to_ethtool(struct net_device *netdev, 1470 struct ethtool_link_ksettings *ks) 1471 { 1472 struct ice_netdev_priv *np = netdev_priv(netdev); 1473 struct ice_vsi *vsi = np->vsi; 1474 struct ice_pf *pf = vsi->back; 1475 u64 phy_type_mask_lo = 0; 1476 u64 phy_type_mask_hi = 0; 1477 u64 adv_phy_type_lo = 0; 1478 u64 adv_phy_type_hi = 0; 1479 u64 phy_types_high = 0; 1480 u64 phy_types_low = 0; 1481 u16 req_speeds; 1482 1483 req_speeds = vsi->port_info->phy.link_info.req_speeds; 1484 1485 /* Check if lenient mode is supported and enabled, or in strict mode. 1486 * 1487 * In lenient mode the Supported link modes are the PHY types without 1488 * media. The Advertising link mode is either 1. the user requested 1489 * speed, 2. the override PHY mask, or 3. the PHY types with media. 1490 * 1491 * In strict mode Supported link mode are the PHY type with media, 1492 * and Advertising link modes are the media PHY type or the speed 1493 * requested by user. 1494 */ 1495 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 1496 struct ice_link_default_override_tlv *ldo; 1497 1498 ldo = &pf->link_dflt_override; 1499 phy_types_low = le64_to_cpu(pf->nvm_phy_type_lo); 1500 phy_types_high = le64_to_cpu(pf->nvm_phy_type_hi); 1501 1502 ice_mask_min_supported_speeds(phy_types_high, &phy_types_low); 1503 1504 /* If override enabled and PHY mask set, then 1505 * Advertising link mode is the intersection of the PHY 1506 * types without media and the override PHY mask. 1507 */ 1508 if (ldo->options & ICE_LINK_OVERRIDE_EN && 1509 (ldo->phy_type_low || ldo->phy_type_high)) { 1510 adv_phy_type_lo = 1511 le64_to_cpu(pf->nvm_phy_type_lo) & 1512 ldo->phy_type_low; 1513 adv_phy_type_hi = 1514 le64_to_cpu(pf->nvm_phy_type_hi) & 1515 ldo->phy_type_high; 1516 } 1517 } else { 1518 phy_types_low = vsi->port_info->phy.phy_type_low; 1519 phy_types_high = vsi->port_info->phy.phy_type_high; 1520 } 1521 1522 /* If Advertising link mode PHY type is not using override PHY type, 1523 * then use PHY type with media. 1524 */ 1525 if (!adv_phy_type_lo && !adv_phy_type_hi) { 1526 adv_phy_type_lo = vsi->port_info->phy.phy_type_low; 1527 adv_phy_type_hi = vsi->port_info->phy.phy_type_high; 1528 } 1529 1530 ethtool_link_ksettings_zero_link_mode(ks, supported); 1531 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1532 1533 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100BASE_TX | 1534 ICE_PHY_TYPE_LOW_100M_SGMII; 1535 if (phy_types_low & phy_type_mask_lo) { 1536 ethtool_link_ksettings_add_link_mode(ks, supported, 1537 100baseT_Full); 1538 1539 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100MB, 1540 100baseT_Full); 1541 } 1542 1543 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_T | 1544 ICE_PHY_TYPE_LOW_1G_SGMII; 1545 if (phy_types_low & phy_type_mask_lo) { 1546 ethtool_link_ksettings_add_link_mode(ks, supported, 1547 1000baseT_Full); 1548 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1549 1000baseT_Full); 1550 } 1551 1552 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_KX; 1553 if (phy_types_low & phy_type_mask_lo) { 1554 ethtool_link_ksettings_add_link_mode(ks, supported, 1555 1000baseKX_Full); 1556 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1557 1000baseKX_Full); 1558 } 1559 1560 phy_type_mask_lo = ICE_PHY_TYPE_LOW_1000BASE_SX | 1561 ICE_PHY_TYPE_LOW_1000BASE_LX; 1562 if (phy_types_low & phy_type_mask_lo) { 1563 ethtool_link_ksettings_add_link_mode(ks, supported, 1564 1000baseX_Full); 1565 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_1000MB, 1566 1000baseX_Full); 1567 } 1568 1569 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_T; 1570 if (phy_types_low & phy_type_mask_lo) { 1571 ethtool_link_ksettings_add_link_mode(ks, supported, 1572 2500baseT_Full); 1573 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1574 2500baseT_Full); 1575 } 1576 1577 phy_type_mask_lo = ICE_PHY_TYPE_LOW_2500BASE_X | 1578 ICE_PHY_TYPE_LOW_2500BASE_KX; 1579 if (phy_types_low & phy_type_mask_lo) { 1580 ethtool_link_ksettings_add_link_mode(ks, supported, 1581 2500baseX_Full); 1582 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_2500MB, 1583 2500baseX_Full); 1584 } 1585 1586 phy_type_mask_lo = ICE_PHY_TYPE_LOW_5GBASE_T | 1587 ICE_PHY_TYPE_LOW_5GBASE_KR; 1588 if (phy_types_low & phy_type_mask_lo) { 1589 ethtool_link_ksettings_add_link_mode(ks, supported, 1590 5000baseT_Full); 1591 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_5GB, 1592 5000baseT_Full); 1593 } 1594 1595 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_T | 1596 ICE_PHY_TYPE_LOW_10G_SFI_DA | 1597 ICE_PHY_TYPE_LOW_10G_SFI_AOC_ACC | 1598 ICE_PHY_TYPE_LOW_10G_SFI_C2C; 1599 if (phy_types_low & phy_type_mask_lo) { 1600 ethtool_link_ksettings_add_link_mode(ks, supported, 1601 10000baseT_Full); 1602 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1603 10000baseT_Full); 1604 } 1605 1606 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_KR_CR1; 1607 if (phy_types_low & phy_type_mask_lo) { 1608 ethtool_link_ksettings_add_link_mode(ks, supported, 1609 10000baseKR_Full); 1610 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1611 10000baseKR_Full); 1612 } 1613 1614 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_SR; 1615 if (phy_types_low & phy_type_mask_lo) { 1616 ethtool_link_ksettings_add_link_mode(ks, supported, 1617 10000baseSR_Full); 1618 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1619 10000baseSR_Full); 1620 } 1621 1622 phy_type_mask_lo = ICE_PHY_TYPE_LOW_10GBASE_LR; 1623 if (phy_types_low & phy_type_mask_lo) { 1624 ethtool_link_ksettings_add_link_mode(ks, supported, 1625 10000baseLR_Full); 1626 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_10GB, 1627 10000baseLR_Full); 1628 } 1629 1630 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_T | 1631 ICE_PHY_TYPE_LOW_25GBASE_CR | 1632 ICE_PHY_TYPE_LOW_25GBASE_CR_S | 1633 ICE_PHY_TYPE_LOW_25GBASE_CR1 | 1634 ICE_PHY_TYPE_LOW_25G_AUI_AOC_ACC | 1635 ICE_PHY_TYPE_LOW_25G_AUI_C2C; 1636 if (phy_types_low & phy_type_mask_lo) { 1637 ethtool_link_ksettings_add_link_mode(ks, supported, 1638 25000baseCR_Full); 1639 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1640 25000baseCR_Full); 1641 } 1642 1643 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_SR | 1644 ICE_PHY_TYPE_LOW_25GBASE_LR; 1645 if (phy_types_low & phy_type_mask_lo) { 1646 ethtool_link_ksettings_add_link_mode(ks, supported, 1647 25000baseSR_Full); 1648 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1649 25000baseSR_Full); 1650 } 1651 1652 phy_type_mask_lo = ICE_PHY_TYPE_LOW_25GBASE_KR | 1653 ICE_PHY_TYPE_LOW_25GBASE_KR_S | 1654 ICE_PHY_TYPE_LOW_25GBASE_KR1; 1655 if (phy_types_low & phy_type_mask_lo) { 1656 ethtool_link_ksettings_add_link_mode(ks, supported, 1657 25000baseKR_Full); 1658 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_25GB, 1659 25000baseKR_Full); 1660 } 1661 1662 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_KR4; 1663 if (phy_types_low & phy_type_mask_lo) { 1664 ethtool_link_ksettings_add_link_mode(ks, supported, 1665 40000baseKR4_Full); 1666 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1667 40000baseKR4_Full); 1668 } 1669 1670 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_CR4 | 1671 ICE_PHY_TYPE_LOW_40G_XLAUI_AOC_ACC | 1672 ICE_PHY_TYPE_LOW_40G_XLAUI; 1673 if (phy_types_low & phy_type_mask_lo) { 1674 ethtool_link_ksettings_add_link_mode(ks, supported, 1675 40000baseCR4_Full); 1676 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1677 40000baseCR4_Full); 1678 } 1679 1680 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_SR4; 1681 if (phy_types_low & phy_type_mask_lo) { 1682 ethtool_link_ksettings_add_link_mode(ks, supported, 1683 40000baseSR4_Full); 1684 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1685 40000baseSR4_Full); 1686 } 1687 1688 phy_type_mask_lo = ICE_PHY_TYPE_LOW_40GBASE_LR4; 1689 if (phy_types_low & phy_type_mask_lo) { 1690 ethtool_link_ksettings_add_link_mode(ks, supported, 1691 40000baseLR4_Full); 1692 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_40GB, 1693 40000baseLR4_Full); 1694 } 1695 1696 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_CR2 | 1697 ICE_PHY_TYPE_LOW_50G_LAUI2_AOC_ACC | 1698 ICE_PHY_TYPE_LOW_50G_LAUI2 | 1699 ICE_PHY_TYPE_LOW_50G_AUI2_AOC_ACC | 1700 ICE_PHY_TYPE_LOW_50G_AUI2 | 1701 ICE_PHY_TYPE_LOW_50GBASE_CP | 1702 ICE_PHY_TYPE_LOW_50GBASE_SR | 1703 ICE_PHY_TYPE_LOW_50G_AUI1_AOC_ACC | 1704 ICE_PHY_TYPE_LOW_50G_AUI1; 1705 if (phy_types_low & phy_type_mask_lo) { 1706 ethtool_link_ksettings_add_link_mode(ks, supported, 1707 50000baseCR2_Full); 1708 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1709 50000baseCR2_Full); 1710 } 1711 1712 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_KR2 | 1713 ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4; 1714 if (phy_types_low & phy_type_mask_lo) { 1715 ethtool_link_ksettings_add_link_mode(ks, supported, 1716 50000baseKR2_Full); 1717 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1718 50000baseKR2_Full); 1719 } 1720 1721 phy_type_mask_lo = ICE_PHY_TYPE_LOW_50GBASE_SR2 | 1722 ICE_PHY_TYPE_LOW_50GBASE_LR2 | 1723 ICE_PHY_TYPE_LOW_50GBASE_FR | 1724 ICE_PHY_TYPE_LOW_50GBASE_LR; 1725 if (phy_types_low & phy_type_mask_lo) { 1726 ethtool_link_ksettings_add_link_mode(ks, supported, 1727 50000baseSR2_Full); 1728 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_50GB, 1729 50000baseSR2_Full); 1730 } 1731 1732 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_CR4 | 1733 ICE_PHY_TYPE_LOW_100G_CAUI4_AOC_ACC | 1734 ICE_PHY_TYPE_LOW_100G_CAUI4 | 1735 ICE_PHY_TYPE_LOW_100G_AUI4_AOC_ACC | 1736 ICE_PHY_TYPE_LOW_100G_AUI4 | 1737 ICE_PHY_TYPE_LOW_100GBASE_CR_PAM4 | 1738 ICE_PHY_TYPE_LOW_100GBASE_CP2; 1739 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100G_CAUI2_AOC_ACC | 1740 ICE_PHY_TYPE_HIGH_100G_CAUI2 | 1741 ICE_PHY_TYPE_HIGH_100G_AUI2_AOC_ACC | 1742 ICE_PHY_TYPE_HIGH_100G_AUI2; 1743 if (phy_types_low & phy_type_mask_lo || 1744 phy_types_high & phy_type_mask_hi) { 1745 ethtool_link_ksettings_add_link_mode(ks, supported, 1746 100000baseCR4_Full); 1747 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1748 100000baseCR4_Full); 1749 } 1750 1751 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_SR4 | 1752 ICE_PHY_TYPE_LOW_100GBASE_SR2; 1753 if (phy_types_low & phy_type_mask_lo) { 1754 ethtool_link_ksettings_add_link_mode(ks, supported, 1755 100000baseSR4_Full); 1756 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1757 100000baseSR4_Full); 1758 } 1759 1760 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_LR4 | 1761 ICE_PHY_TYPE_LOW_100GBASE_DR; 1762 if (phy_types_low & phy_type_mask_lo) { 1763 ethtool_link_ksettings_add_link_mode(ks, supported, 1764 100000baseLR4_ER4_Full); 1765 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1766 100000baseLR4_ER4_Full); 1767 } 1768 1769 phy_type_mask_lo = ICE_PHY_TYPE_LOW_100GBASE_KR4 | 1770 ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4; 1771 phy_type_mask_hi = ICE_PHY_TYPE_HIGH_100GBASE_KR2_PAM4; 1772 if (phy_types_low & phy_type_mask_lo || 1773 phy_types_high & phy_type_mask_hi) { 1774 ethtool_link_ksettings_add_link_mode(ks, supported, 1775 100000baseKR4_Full); 1776 ice_ethtool_advertise_link_mode(ICE_AQ_LINK_SPEED_100GB, 1777 100000baseKR4_Full); 1778 } 1779 1780 /* Autoneg PHY types */ 1781 if (phy_types_low & ICE_PHY_TYPE_LOW_100BASE_TX || 1782 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_T || 1783 phy_types_low & ICE_PHY_TYPE_LOW_1000BASE_KX || 1784 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_T || 1785 phy_types_low & ICE_PHY_TYPE_LOW_2500BASE_KX || 1786 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_T || 1787 phy_types_low & ICE_PHY_TYPE_LOW_5GBASE_KR || 1788 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_T || 1789 phy_types_low & ICE_PHY_TYPE_LOW_10GBASE_KR_CR1 || 1790 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_T || 1791 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR || 1792 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR_S || 1793 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_CR1 || 1794 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR || 1795 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR_S || 1796 phy_types_low & ICE_PHY_TYPE_LOW_25GBASE_KR1 || 1797 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_CR4 || 1798 phy_types_low & ICE_PHY_TYPE_LOW_40GBASE_KR4) { 1799 ethtool_link_ksettings_add_link_mode(ks, supported, 1800 Autoneg); 1801 ethtool_link_ksettings_add_link_mode(ks, advertising, 1802 Autoneg); 1803 } 1804 if (phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CR2 || 1805 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR2 || 1806 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_CP || 1807 phy_types_low & ICE_PHY_TYPE_LOW_50GBASE_KR_PAM4) { 1808 ethtool_link_ksettings_add_link_mode(ks, supported, 1809 Autoneg); 1810 ethtool_link_ksettings_add_link_mode(ks, advertising, 1811 Autoneg); 1812 } 1813 if (phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CR4 || 1814 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR4 || 1815 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_KR_PAM4 || 1816 phy_types_low & ICE_PHY_TYPE_LOW_100GBASE_CP2) { 1817 ethtool_link_ksettings_add_link_mode(ks, supported, 1818 Autoneg); 1819 ethtool_link_ksettings_add_link_mode(ks, advertising, 1820 Autoneg); 1821 } 1822 } 1823 1824 #define TEST_SET_BITS_TIMEOUT 50 1825 #define TEST_SET_BITS_SLEEP_MAX 2000 1826 #define TEST_SET_BITS_SLEEP_MIN 1000 1827 1828 /** 1829 * ice_get_settings_link_up - Get Link settings for when link is up 1830 * @ks: ethtool ksettings to fill in 1831 * @netdev: network interface device structure 1832 */ 1833 static void 1834 ice_get_settings_link_up(struct ethtool_link_ksettings *ks, 1835 struct net_device *netdev) 1836 { 1837 struct ice_netdev_priv *np = netdev_priv(netdev); 1838 struct ice_port_info *pi = np->vsi->port_info; 1839 struct ice_link_status *link_info; 1840 struct ice_vsi *vsi = np->vsi; 1841 1842 link_info = &vsi->port_info->phy.link_info; 1843 1844 /* Get supported and advertised settings from PHY ability with media */ 1845 ice_phy_type_to_ethtool(netdev, ks); 1846 1847 switch (link_info->link_speed) { 1848 case ICE_AQ_LINK_SPEED_100GB: 1849 ks->base.speed = SPEED_100000; 1850 break; 1851 case ICE_AQ_LINK_SPEED_50GB: 1852 ks->base.speed = SPEED_50000; 1853 break; 1854 case ICE_AQ_LINK_SPEED_40GB: 1855 ks->base.speed = SPEED_40000; 1856 break; 1857 case ICE_AQ_LINK_SPEED_25GB: 1858 ks->base.speed = SPEED_25000; 1859 break; 1860 case ICE_AQ_LINK_SPEED_20GB: 1861 ks->base.speed = SPEED_20000; 1862 break; 1863 case ICE_AQ_LINK_SPEED_10GB: 1864 ks->base.speed = SPEED_10000; 1865 break; 1866 case ICE_AQ_LINK_SPEED_5GB: 1867 ks->base.speed = SPEED_5000; 1868 break; 1869 case ICE_AQ_LINK_SPEED_2500MB: 1870 ks->base.speed = SPEED_2500; 1871 break; 1872 case ICE_AQ_LINK_SPEED_1000MB: 1873 ks->base.speed = SPEED_1000; 1874 break; 1875 case ICE_AQ_LINK_SPEED_100MB: 1876 ks->base.speed = SPEED_100; 1877 break; 1878 default: 1879 netdev_info(netdev, "WARNING: Unrecognized link_speed (0x%x).\n", 1880 link_info->link_speed); 1881 break; 1882 } 1883 ks->base.duplex = DUPLEX_FULL; 1884 1885 if (link_info->an_info & ICE_AQ_AN_COMPLETED) 1886 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1887 Autoneg); 1888 1889 /* Set flow control negotiated Rx/Tx pause */ 1890 switch (pi->fc.current_mode) { 1891 case ICE_FC_FULL: 1892 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1893 break; 1894 case ICE_FC_TX_PAUSE: 1895 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, Pause); 1896 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1897 Asym_Pause); 1898 break; 1899 case ICE_FC_RX_PAUSE: 1900 ethtool_link_ksettings_add_link_mode(ks, lp_advertising, 1901 Asym_Pause); 1902 break; 1903 case ICE_FC_PFC: 1904 default: 1905 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, Pause); 1906 ethtool_link_ksettings_del_link_mode(ks, lp_advertising, 1907 Asym_Pause); 1908 break; 1909 } 1910 } 1911 1912 /** 1913 * ice_get_settings_link_down - Get the Link settings when link is down 1914 * @ks: ethtool ksettings to fill in 1915 * @netdev: network interface device structure 1916 * 1917 * Reports link settings that can be determined when link is down 1918 */ 1919 static void 1920 ice_get_settings_link_down(struct ethtool_link_ksettings *ks, 1921 struct net_device *netdev) 1922 { 1923 /* link is down and the driver needs to fall back on 1924 * supported PHY types to figure out what info to display 1925 */ 1926 ice_phy_type_to_ethtool(netdev, ks); 1927 1928 /* With no link, speed and duplex are unknown */ 1929 ks->base.speed = SPEED_UNKNOWN; 1930 ks->base.duplex = DUPLEX_UNKNOWN; 1931 } 1932 1933 /** 1934 * ice_get_link_ksettings - Get Link Speed and Duplex settings 1935 * @netdev: network interface device structure 1936 * @ks: ethtool ksettings 1937 * 1938 * Reports speed/duplex settings based on media_type 1939 */ 1940 static int 1941 ice_get_link_ksettings(struct net_device *netdev, 1942 struct ethtool_link_ksettings *ks) 1943 { 1944 struct ice_netdev_priv *np = netdev_priv(netdev); 1945 struct ice_aqc_get_phy_caps_data *caps; 1946 struct ice_link_status *hw_link_info; 1947 struct ice_vsi *vsi = np->vsi; 1948 enum ice_status status; 1949 int err = 0; 1950 1951 ethtool_link_ksettings_zero_link_mode(ks, supported); 1952 ethtool_link_ksettings_zero_link_mode(ks, advertising); 1953 ethtool_link_ksettings_zero_link_mode(ks, lp_advertising); 1954 hw_link_info = &vsi->port_info->phy.link_info; 1955 1956 /* set speed and duplex */ 1957 if (hw_link_info->link_info & ICE_AQ_LINK_UP) 1958 ice_get_settings_link_up(ks, netdev); 1959 else 1960 ice_get_settings_link_down(ks, netdev); 1961 1962 /* set autoneg settings */ 1963 ks->base.autoneg = (hw_link_info->an_info & ICE_AQ_AN_COMPLETED) ? 1964 AUTONEG_ENABLE : AUTONEG_DISABLE; 1965 1966 /* set media type settings */ 1967 switch (vsi->port_info->phy.media_type) { 1968 case ICE_MEDIA_FIBER: 1969 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1970 ks->base.port = PORT_FIBRE; 1971 break; 1972 case ICE_MEDIA_BASET: 1973 ethtool_link_ksettings_add_link_mode(ks, supported, TP); 1974 ethtool_link_ksettings_add_link_mode(ks, advertising, TP); 1975 ks->base.port = PORT_TP; 1976 break; 1977 case ICE_MEDIA_BACKPLANE: 1978 ethtool_link_ksettings_add_link_mode(ks, supported, Autoneg); 1979 ethtool_link_ksettings_add_link_mode(ks, supported, Backplane); 1980 ethtool_link_ksettings_add_link_mode(ks, advertising, Autoneg); 1981 ethtool_link_ksettings_add_link_mode(ks, advertising, 1982 Backplane); 1983 ks->base.port = PORT_NONE; 1984 break; 1985 case ICE_MEDIA_DA: 1986 ethtool_link_ksettings_add_link_mode(ks, supported, FIBRE); 1987 ethtool_link_ksettings_add_link_mode(ks, advertising, FIBRE); 1988 ks->base.port = PORT_DA; 1989 break; 1990 default: 1991 ks->base.port = PORT_OTHER; 1992 break; 1993 } 1994 1995 /* flow control is symmetric and always supported */ 1996 ethtool_link_ksettings_add_link_mode(ks, supported, Pause); 1997 1998 caps = kzalloc(sizeof(*caps), GFP_KERNEL); 1999 if (!caps) 2000 return -ENOMEM; 2001 2002 status = ice_aq_get_phy_caps(vsi->port_info, false, 2003 ICE_AQC_REPORT_SW_CFG, caps, NULL); 2004 if (status) { 2005 err = -EIO; 2006 goto done; 2007 } 2008 2009 /* Set the advertised flow control based on the PHY capability */ 2010 if ((caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) && 2011 (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE)) { 2012 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2013 ethtool_link_ksettings_add_link_mode(ks, advertising, 2014 Asym_Pause); 2015 } else if (caps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) { 2016 ethtool_link_ksettings_add_link_mode(ks, advertising, 2017 Asym_Pause); 2018 } else if (caps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) { 2019 ethtool_link_ksettings_add_link_mode(ks, advertising, Pause); 2020 ethtool_link_ksettings_add_link_mode(ks, advertising, 2021 Asym_Pause); 2022 } else { 2023 ethtool_link_ksettings_del_link_mode(ks, advertising, Pause); 2024 ethtool_link_ksettings_del_link_mode(ks, advertising, 2025 Asym_Pause); 2026 } 2027 2028 /* Set advertised FEC modes based on PHY capability */ 2029 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_NONE); 2030 2031 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_REQ || 2032 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_REQ) 2033 ethtool_link_ksettings_add_link_mode(ks, advertising, 2034 FEC_BASER); 2035 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_528_REQ || 2036 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_544_REQ) 2037 ethtool_link_ksettings_add_link_mode(ks, advertising, FEC_RS); 2038 2039 status = ice_aq_get_phy_caps(vsi->port_info, false, 2040 ICE_AQC_REPORT_TOPO_CAP, caps, NULL); 2041 if (status) { 2042 err = -EIO; 2043 goto done; 2044 } 2045 2046 /* Set supported FEC modes based on PHY capability */ 2047 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_NONE); 2048 2049 if (caps->link_fec_options & ICE_AQC_PHY_FEC_10G_KR_40G_KR4_EN || 2050 caps->link_fec_options & ICE_AQC_PHY_FEC_25G_KR_CLAUSE74_EN) 2051 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_BASER); 2052 if (caps->link_fec_options & ICE_AQC_PHY_FEC_25G_RS_CLAUSE91_EN) 2053 ethtool_link_ksettings_add_link_mode(ks, supported, FEC_RS); 2054 2055 done: 2056 kfree(caps); 2057 return err; 2058 } 2059 2060 /** 2061 * ice_ksettings_find_adv_link_speed - Find advertising link speed 2062 * @ks: ethtool ksettings 2063 */ 2064 static u16 2065 ice_ksettings_find_adv_link_speed(const struct ethtool_link_ksettings *ks) 2066 { 2067 u16 adv_link_speed = 0; 2068 2069 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2070 100baseT_Full)) 2071 adv_link_speed |= ICE_AQ_LINK_SPEED_100MB; 2072 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2073 1000baseX_Full)) 2074 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2075 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2076 1000baseT_Full) || 2077 ethtool_link_ksettings_test_link_mode(ks, advertising, 2078 1000baseKX_Full)) 2079 adv_link_speed |= ICE_AQ_LINK_SPEED_1000MB; 2080 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2081 2500baseT_Full)) 2082 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2083 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2084 2500baseX_Full)) 2085 adv_link_speed |= ICE_AQ_LINK_SPEED_2500MB; 2086 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2087 5000baseT_Full)) 2088 adv_link_speed |= ICE_AQ_LINK_SPEED_5GB; 2089 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2090 10000baseT_Full) || 2091 ethtool_link_ksettings_test_link_mode(ks, advertising, 2092 10000baseKR_Full)) 2093 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2094 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2095 10000baseSR_Full) || 2096 ethtool_link_ksettings_test_link_mode(ks, advertising, 2097 10000baseLR_Full)) 2098 adv_link_speed |= ICE_AQ_LINK_SPEED_10GB; 2099 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2100 25000baseCR_Full) || 2101 ethtool_link_ksettings_test_link_mode(ks, advertising, 2102 25000baseSR_Full) || 2103 ethtool_link_ksettings_test_link_mode(ks, advertising, 2104 25000baseKR_Full)) 2105 adv_link_speed |= ICE_AQ_LINK_SPEED_25GB; 2106 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2107 40000baseCR4_Full) || 2108 ethtool_link_ksettings_test_link_mode(ks, advertising, 2109 40000baseSR4_Full) || 2110 ethtool_link_ksettings_test_link_mode(ks, advertising, 2111 40000baseLR4_Full) || 2112 ethtool_link_ksettings_test_link_mode(ks, advertising, 2113 40000baseKR4_Full)) 2114 adv_link_speed |= ICE_AQ_LINK_SPEED_40GB; 2115 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2116 50000baseCR2_Full) || 2117 ethtool_link_ksettings_test_link_mode(ks, advertising, 2118 50000baseKR2_Full)) 2119 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2120 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2121 50000baseSR2_Full)) 2122 adv_link_speed |= ICE_AQ_LINK_SPEED_50GB; 2123 if (ethtool_link_ksettings_test_link_mode(ks, advertising, 2124 100000baseCR4_Full) || 2125 ethtool_link_ksettings_test_link_mode(ks, advertising, 2126 100000baseSR4_Full) || 2127 ethtool_link_ksettings_test_link_mode(ks, advertising, 2128 100000baseLR4_ER4_Full) || 2129 ethtool_link_ksettings_test_link_mode(ks, advertising, 2130 100000baseKR4_Full)) 2131 adv_link_speed |= ICE_AQ_LINK_SPEED_100GB; 2132 2133 return adv_link_speed; 2134 } 2135 2136 /** 2137 * ice_setup_autoneg 2138 * @p: port info 2139 * @ks: ethtool_link_ksettings 2140 * @config: configuration that will be sent down to FW 2141 * @autoneg_enabled: autonegotiation is enabled or not 2142 * @autoneg_changed: will there a change in autonegotiation 2143 * @netdev: network interface device structure 2144 * 2145 * Setup PHY autonegotiation feature 2146 */ 2147 static int 2148 ice_setup_autoneg(struct ice_port_info *p, struct ethtool_link_ksettings *ks, 2149 struct ice_aqc_set_phy_cfg_data *config, 2150 u8 autoneg_enabled, u8 *autoneg_changed, 2151 struct net_device *netdev) 2152 { 2153 int err = 0; 2154 2155 *autoneg_changed = 0; 2156 2157 /* Check autoneg */ 2158 if (autoneg_enabled == AUTONEG_ENABLE) { 2159 /* If autoneg was not already enabled */ 2160 if (!(p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED)) { 2161 /* If autoneg is not supported, return error */ 2162 if (!ethtool_link_ksettings_test_link_mode(ks, 2163 supported, 2164 Autoneg)) { 2165 netdev_info(netdev, "Autoneg not supported on this phy.\n"); 2166 err = -EINVAL; 2167 } else { 2168 /* Autoneg is allowed to change */ 2169 config->caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2170 *autoneg_changed = 1; 2171 } 2172 } 2173 } else { 2174 /* If autoneg is currently enabled */ 2175 if (p->phy.link_info.an_info & ICE_AQ_AN_COMPLETED) { 2176 /* If autoneg is supported 10GBASE_T is the only PHY 2177 * that can disable it, so otherwise return error 2178 */ 2179 if (ethtool_link_ksettings_test_link_mode(ks, 2180 supported, 2181 Autoneg)) { 2182 netdev_info(netdev, "Autoneg cannot be disabled on this phy\n"); 2183 err = -EINVAL; 2184 } else { 2185 /* Autoneg is allowed to change */ 2186 config->caps &= ~ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2187 *autoneg_changed = 1; 2188 } 2189 } 2190 } 2191 2192 return err; 2193 } 2194 2195 /** 2196 * ice_set_link_ksettings - Set Speed and Duplex 2197 * @netdev: network interface device structure 2198 * @ks: ethtool ksettings 2199 * 2200 * Set speed/duplex per media_types advertised/forced 2201 */ 2202 static int 2203 ice_set_link_ksettings(struct net_device *netdev, 2204 const struct ethtool_link_ksettings *ks) 2205 { 2206 struct ice_netdev_priv *np = netdev_priv(netdev); 2207 struct ethtool_link_ksettings safe_ks, copy_ks; 2208 struct ice_aqc_get_phy_caps_data *abilities; 2209 u8 autoneg, timeout = TEST_SET_BITS_TIMEOUT; 2210 u16 adv_link_speed, curr_link_speed, idx; 2211 struct ice_aqc_set_phy_cfg_data config; 2212 struct ice_pf *pf = np->vsi->back; 2213 struct ice_port_info *p; 2214 u8 autoneg_changed = 0; 2215 enum ice_status status; 2216 u64 phy_type_high = 0; 2217 u64 phy_type_low = 0; 2218 int err = 0; 2219 bool linkup; 2220 2221 p = np->vsi->port_info; 2222 2223 if (!p) 2224 return -EOPNOTSUPP; 2225 2226 /* Check if this is LAN VSI */ 2227 ice_for_each_vsi(pf, idx) 2228 if (pf->vsi[idx]->type == ICE_VSI_PF) { 2229 if (np->vsi != pf->vsi[idx]) 2230 return -EOPNOTSUPP; 2231 break; 2232 } 2233 2234 if (p->phy.media_type != ICE_MEDIA_BASET && 2235 p->phy.media_type != ICE_MEDIA_FIBER && 2236 p->phy.media_type != ICE_MEDIA_BACKPLANE && 2237 p->phy.media_type != ICE_MEDIA_DA && 2238 p->phy.link_info.link_info & ICE_AQ_LINK_UP) 2239 return -EOPNOTSUPP; 2240 2241 abilities = kzalloc(sizeof(*abilities), GFP_KERNEL); 2242 if (!abilities) 2243 return -ENOMEM; 2244 2245 /* Get the PHY capabilities based on media */ 2246 status = ice_aq_get_phy_caps(p, false, ICE_AQC_REPORT_TOPO_CAP, 2247 abilities, NULL); 2248 if (status) { 2249 err = -EAGAIN; 2250 goto done; 2251 } 2252 2253 /* copy the ksettings to copy_ks to avoid modifying the original */ 2254 memcpy(©_ks, ks, sizeof(copy_ks)); 2255 2256 /* save autoneg out of ksettings */ 2257 autoneg = copy_ks.base.autoneg; 2258 2259 memset(&safe_ks, 0, sizeof(safe_ks)); 2260 2261 /* Get link modes supported by hardware.*/ 2262 ice_phy_type_to_ethtool(netdev, &safe_ks); 2263 2264 /* and check against modes requested by user. 2265 * Return an error if unsupported mode was set. 2266 */ 2267 if (!bitmap_subset(copy_ks.link_modes.advertising, 2268 safe_ks.link_modes.supported, 2269 __ETHTOOL_LINK_MODE_MASK_NBITS)) { 2270 if (!test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) 2271 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"); 2272 err = -EINVAL; 2273 goto done; 2274 } 2275 2276 /* get our own copy of the bits to check against */ 2277 memset(&safe_ks, 0, sizeof(safe_ks)); 2278 safe_ks.base.cmd = copy_ks.base.cmd; 2279 safe_ks.base.link_mode_masks_nwords = 2280 copy_ks.base.link_mode_masks_nwords; 2281 ice_get_link_ksettings(netdev, &safe_ks); 2282 2283 /* set autoneg back to what it currently is */ 2284 copy_ks.base.autoneg = safe_ks.base.autoneg; 2285 /* we don't compare the speed */ 2286 copy_ks.base.speed = safe_ks.base.speed; 2287 2288 /* If copy_ks.base and safe_ks.base are not the same now, then they are 2289 * trying to set something that we do not support. 2290 */ 2291 if (memcmp(©_ks.base, &safe_ks.base, sizeof(copy_ks.base))) { 2292 err = -EOPNOTSUPP; 2293 goto done; 2294 } 2295 2296 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2297 timeout--; 2298 if (!timeout) { 2299 err = -EBUSY; 2300 goto done; 2301 } 2302 usleep_range(TEST_SET_BITS_SLEEP_MIN, TEST_SET_BITS_SLEEP_MAX); 2303 } 2304 2305 /* Copy the current user PHY configuration. The current user PHY 2306 * configuration is initialized during probe from PHY capabilities 2307 * software mode, and updated on set PHY configuration. 2308 */ 2309 memcpy(&config, &p->phy.curr_user_phy_cfg, sizeof(config)); 2310 2311 config.caps |= ICE_AQ_PHY_ENA_AUTO_LINK_UPDT; 2312 2313 /* Check autoneg */ 2314 err = ice_setup_autoneg(p, &safe_ks, &config, autoneg, &autoneg_changed, 2315 netdev); 2316 2317 if (err) 2318 goto done; 2319 2320 /* Call to get the current link speed */ 2321 p->phy.get_link_info = true; 2322 status = ice_get_link_status(p, &linkup); 2323 if (status) { 2324 err = -EAGAIN; 2325 goto done; 2326 } 2327 2328 curr_link_speed = p->phy.link_info.link_speed; 2329 adv_link_speed = ice_ksettings_find_adv_link_speed(ks); 2330 2331 /* If speed didn't get set, set it to what it currently is. 2332 * This is needed because if advertise is 0 (as it is when autoneg 2333 * is disabled) then speed won't get set. 2334 */ 2335 if (!adv_link_speed) 2336 adv_link_speed = curr_link_speed; 2337 2338 /* Convert the advertise link speeds to their corresponded PHY_TYPE */ 2339 ice_update_phy_type(&phy_type_low, &phy_type_high, adv_link_speed); 2340 2341 if (!autoneg_changed && adv_link_speed == curr_link_speed) { 2342 netdev_info(netdev, "Nothing changed, exiting without setting anything.\n"); 2343 goto done; 2344 } 2345 2346 /* save the requested speeds */ 2347 p->phy.link_info.req_speeds = adv_link_speed; 2348 2349 /* set link and auto negotiation so changes take effect */ 2350 config.caps |= ICE_AQ_PHY_ENA_LINK; 2351 2352 /* check if there is a PHY type for the requested advertised speed */ 2353 if (!(phy_type_low || phy_type_high)) { 2354 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"); 2355 err = -EAGAIN; 2356 goto done; 2357 } 2358 2359 /* intersect requested advertised speed PHY types with media PHY types 2360 * for set PHY configuration 2361 */ 2362 config.phy_type_high = cpu_to_le64(phy_type_high) & 2363 abilities->phy_type_high; 2364 config.phy_type_low = cpu_to_le64(phy_type_low) & 2365 abilities->phy_type_low; 2366 2367 if (!(config.phy_type_high || config.phy_type_low)) { 2368 /* If there is no intersection and lenient mode is enabled, then 2369 * intersect the requested advertised speed with NVM media type 2370 * PHY types. 2371 */ 2372 if (test_bit(ICE_FLAG_LINK_LENIENT_MODE_ENA, pf->flags)) { 2373 config.phy_type_high = cpu_to_le64(phy_type_high) & 2374 pf->nvm_phy_type_hi; 2375 config.phy_type_low = cpu_to_le64(phy_type_low) & 2376 pf->nvm_phy_type_lo; 2377 } else { 2378 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"); 2379 err = -EAGAIN; 2380 goto done; 2381 } 2382 } 2383 2384 /* If link is up put link down */ 2385 if (p->phy.link_info.link_info & ICE_AQ_LINK_UP) { 2386 /* Tell the OS link is going down, the link will go 2387 * back up when fw says it is ready asynchronously 2388 */ 2389 ice_print_link_msg(np->vsi, false); 2390 netif_carrier_off(netdev); 2391 netif_tx_stop_all_queues(netdev); 2392 } 2393 2394 /* make the aq call */ 2395 status = ice_aq_set_phy_cfg(&pf->hw, p, &config, NULL); 2396 if (status) { 2397 netdev_info(netdev, "Set phy config failed,\n"); 2398 err = -EAGAIN; 2399 goto done; 2400 } 2401 2402 /* Save speed request */ 2403 p->phy.curr_user_speed_req = adv_link_speed; 2404 done: 2405 kfree(abilities); 2406 clear_bit(__ICE_CFG_BUSY, pf->state); 2407 2408 return err; 2409 } 2410 2411 /** 2412 * ice_parse_hdrs - parses headers from RSS hash input 2413 * @nfc: ethtool rxnfc command 2414 * 2415 * This function parses the rxnfc command and returns intended 2416 * header types for RSS configuration 2417 */ 2418 static u32 ice_parse_hdrs(struct ethtool_rxnfc *nfc) 2419 { 2420 u32 hdrs = ICE_FLOW_SEG_HDR_NONE; 2421 2422 switch (nfc->flow_type) { 2423 case TCP_V4_FLOW: 2424 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV4; 2425 break; 2426 case UDP_V4_FLOW: 2427 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV4; 2428 break; 2429 case SCTP_V4_FLOW: 2430 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV4; 2431 break; 2432 case TCP_V6_FLOW: 2433 hdrs |= ICE_FLOW_SEG_HDR_TCP | ICE_FLOW_SEG_HDR_IPV6; 2434 break; 2435 case UDP_V6_FLOW: 2436 hdrs |= ICE_FLOW_SEG_HDR_UDP | ICE_FLOW_SEG_HDR_IPV6; 2437 break; 2438 case SCTP_V6_FLOW: 2439 hdrs |= ICE_FLOW_SEG_HDR_SCTP | ICE_FLOW_SEG_HDR_IPV6; 2440 break; 2441 default: 2442 break; 2443 } 2444 return hdrs; 2445 } 2446 2447 #define ICE_FLOW_HASH_FLD_IPV4_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_SA) 2448 #define ICE_FLOW_HASH_FLD_IPV6_SA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_SA) 2449 #define ICE_FLOW_HASH_FLD_IPV4_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV4_DA) 2450 #define ICE_FLOW_HASH_FLD_IPV6_DA BIT_ULL(ICE_FLOW_FIELD_IDX_IPV6_DA) 2451 #define ICE_FLOW_HASH_FLD_TCP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_SRC_PORT) 2452 #define ICE_FLOW_HASH_FLD_TCP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_TCP_DST_PORT) 2453 #define ICE_FLOW_HASH_FLD_UDP_SRC_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_SRC_PORT) 2454 #define ICE_FLOW_HASH_FLD_UDP_DST_PORT BIT_ULL(ICE_FLOW_FIELD_IDX_UDP_DST_PORT) 2455 #define ICE_FLOW_HASH_FLD_SCTP_SRC_PORT \ 2456 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_SRC_PORT) 2457 #define ICE_FLOW_HASH_FLD_SCTP_DST_PORT \ 2458 BIT_ULL(ICE_FLOW_FIELD_IDX_SCTP_DST_PORT) 2459 2460 /** 2461 * ice_parse_hash_flds - parses hash fields from RSS hash input 2462 * @nfc: ethtool rxnfc command 2463 * 2464 * This function parses the rxnfc command and returns intended 2465 * hash fields for RSS configuration 2466 */ 2467 static u64 ice_parse_hash_flds(struct ethtool_rxnfc *nfc) 2468 { 2469 u64 hfld = ICE_HASH_INVALID; 2470 2471 if (nfc->data & RXH_IP_SRC || nfc->data & RXH_IP_DST) { 2472 switch (nfc->flow_type) { 2473 case TCP_V4_FLOW: 2474 case UDP_V4_FLOW: 2475 case SCTP_V4_FLOW: 2476 if (nfc->data & RXH_IP_SRC) 2477 hfld |= ICE_FLOW_HASH_FLD_IPV4_SA; 2478 if (nfc->data & RXH_IP_DST) 2479 hfld |= ICE_FLOW_HASH_FLD_IPV4_DA; 2480 break; 2481 case TCP_V6_FLOW: 2482 case UDP_V6_FLOW: 2483 case SCTP_V6_FLOW: 2484 if (nfc->data & RXH_IP_SRC) 2485 hfld |= ICE_FLOW_HASH_FLD_IPV6_SA; 2486 if (nfc->data & RXH_IP_DST) 2487 hfld |= ICE_FLOW_HASH_FLD_IPV6_DA; 2488 break; 2489 default: 2490 break; 2491 } 2492 } 2493 2494 if (nfc->data & RXH_L4_B_0_1 || nfc->data & RXH_L4_B_2_3) { 2495 switch (nfc->flow_type) { 2496 case TCP_V4_FLOW: 2497 case TCP_V6_FLOW: 2498 if (nfc->data & RXH_L4_B_0_1) 2499 hfld |= ICE_FLOW_HASH_FLD_TCP_SRC_PORT; 2500 if (nfc->data & RXH_L4_B_2_3) 2501 hfld |= ICE_FLOW_HASH_FLD_TCP_DST_PORT; 2502 break; 2503 case UDP_V4_FLOW: 2504 case UDP_V6_FLOW: 2505 if (nfc->data & RXH_L4_B_0_1) 2506 hfld |= ICE_FLOW_HASH_FLD_UDP_SRC_PORT; 2507 if (nfc->data & RXH_L4_B_2_3) 2508 hfld |= ICE_FLOW_HASH_FLD_UDP_DST_PORT; 2509 break; 2510 case SCTP_V4_FLOW: 2511 case SCTP_V6_FLOW: 2512 if (nfc->data & RXH_L4_B_0_1) 2513 hfld |= ICE_FLOW_HASH_FLD_SCTP_SRC_PORT; 2514 if (nfc->data & RXH_L4_B_2_3) 2515 hfld |= ICE_FLOW_HASH_FLD_SCTP_DST_PORT; 2516 break; 2517 default: 2518 break; 2519 } 2520 } 2521 2522 return hfld; 2523 } 2524 2525 /** 2526 * ice_set_rss_hash_opt - Enable/Disable flow types for RSS hash 2527 * @vsi: the VSI being configured 2528 * @nfc: ethtool rxnfc command 2529 * 2530 * Returns Success if the flow input set is supported. 2531 */ 2532 static int 2533 ice_set_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2534 { 2535 struct ice_pf *pf = vsi->back; 2536 enum ice_status status; 2537 struct device *dev; 2538 u64 hashed_flds; 2539 u32 hdrs; 2540 2541 dev = ice_pf_to_dev(pf); 2542 if (ice_is_safe_mode(pf)) { 2543 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2544 vsi->vsi_num); 2545 return -EINVAL; 2546 } 2547 2548 hashed_flds = ice_parse_hash_flds(nfc); 2549 if (hashed_flds == ICE_HASH_INVALID) { 2550 dev_dbg(dev, "Invalid hash fields, vsi num = %d\n", 2551 vsi->vsi_num); 2552 return -EINVAL; 2553 } 2554 2555 hdrs = ice_parse_hdrs(nfc); 2556 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2557 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2558 vsi->vsi_num); 2559 return -EINVAL; 2560 } 2561 2562 status = ice_add_rss_cfg(&pf->hw, vsi->idx, hashed_flds, hdrs); 2563 if (status) { 2564 dev_dbg(dev, "ice_add_rss_cfg failed, vsi num = %d, error = %s\n", 2565 vsi->vsi_num, ice_stat_str(status)); 2566 return -EINVAL; 2567 } 2568 2569 return 0; 2570 } 2571 2572 /** 2573 * ice_get_rss_hash_opt - Retrieve hash fields for a given flow-type 2574 * @vsi: the VSI being configured 2575 * @nfc: ethtool rxnfc command 2576 */ 2577 static void 2578 ice_get_rss_hash_opt(struct ice_vsi *vsi, struct ethtool_rxnfc *nfc) 2579 { 2580 struct ice_pf *pf = vsi->back; 2581 struct device *dev; 2582 u64 hash_flds; 2583 u32 hdrs; 2584 2585 dev = ice_pf_to_dev(pf); 2586 2587 nfc->data = 0; 2588 if (ice_is_safe_mode(pf)) { 2589 dev_dbg(dev, "Advanced RSS disabled. Package download failed, vsi num = %d\n", 2590 vsi->vsi_num); 2591 return; 2592 } 2593 2594 hdrs = ice_parse_hdrs(nfc); 2595 if (hdrs == ICE_FLOW_SEG_HDR_NONE) { 2596 dev_dbg(dev, "Header type is not valid, vsi num = %d\n", 2597 vsi->vsi_num); 2598 return; 2599 } 2600 2601 hash_flds = ice_get_rss_cfg(&pf->hw, vsi->idx, hdrs); 2602 if (hash_flds == ICE_HASH_INVALID) { 2603 dev_dbg(dev, "No hash fields found for the given header type, vsi num = %d\n", 2604 vsi->vsi_num); 2605 return; 2606 } 2607 2608 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_SA || 2609 hash_flds & ICE_FLOW_HASH_FLD_IPV6_SA) 2610 nfc->data |= (u64)RXH_IP_SRC; 2611 2612 if (hash_flds & ICE_FLOW_HASH_FLD_IPV4_DA || 2613 hash_flds & ICE_FLOW_HASH_FLD_IPV6_DA) 2614 nfc->data |= (u64)RXH_IP_DST; 2615 2616 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_SRC_PORT || 2617 hash_flds & ICE_FLOW_HASH_FLD_UDP_SRC_PORT || 2618 hash_flds & ICE_FLOW_HASH_FLD_SCTP_SRC_PORT) 2619 nfc->data |= (u64)RXH_L4_B_0_1; 2620 2621 if (hash_flds & ICE_FLOW_HASH_FLD_TCP_DST_PORT || 2622 hash_flds & ICE_FLOW_HASH_FLD_UDP_DST_PORT || 2623 hash_flds & ICE_FLOW_HASH_FLD_SCTP_DST_PORT) 2624 nfc->data |= (u64)RXH_L4_B_2_3; 2625 } 2626 2627 /** 2628 * ice_set_rxnfc - command to set Rx flow rules. 2629 * @netdev: network interface device structure 2630 * @cmd: ethtool rxnfc command 2631 * 2632 * Returns 0 for success and negative values for errors 2633 */ 2634 static int ice_set_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd) 2635 { 2636 struct ice_netdev_priv *np = netdev_priv(netdev); 2637 struct ice_vsi *vsi = np->vsi; 2638 2639 switch (cmd->cmd) { 2640 case ETHTOOL_SRXCLSRLINS: 2641 return ice_add_fdir_ethtool(vsi, cmd); 2642 case ETHTOOL_SRXCLSRLDEL: 2643 return ice_del_fdir_ethtool(vsi, cmd); 2644 case ETHTOOL_SRXFH: 2645 return ice_set_rss_hash_opt(vsi, cmd); 2646 default: 2647 break; 2648 } 2649 return -EOPNOTSUPP; 2650 } 2651 2652 /** 2653 * ice_get_rxnfc - command to get Rx flow classification rules 2654 * @netdev: network interface device structure 2655 * @cmd: ethtool rxnfc command 2656 * @rule_locs: buffer to rturn Rx flow classification rules 2657 * 2658 * Returns Success if the command is supported. 2659 */ 2660 static int 2661 ice_get_rxnfc(struct net_device *netdev, struct ethtool_rxnfc *cmd, 2662 u32 __always_unused *rule_locs) 2663 { 2664 struct ice_netdev_priv *np = netdev_priv(netdev); 2665 struct ice_vsi *vsi = np->vsi; 2666 int ret = -EOPNOTSUPP; 2667 struct ice_hw *hw; 2668 2669 hw = &vsi->back->hw; 2670 2671 switch (cmd->cmd) { 2672 case ETHTOOL_GRXRINGS: 2673 cmd->data = vsi->rss_size; 2674 ret = 0; 2675 break; 2676 case ETHTOOL_GRXCLSRLCNT: 2677 cmd->rule_cnt = hw->fdir_active_fltr; 2678 /* report total rule count */ 2679 cmd->data = ice_get_fdir_cnt_all(hw); 2680 ret = 0; 2681 break; 2682 case ETHTOOL_GRXCLSRULE: 2683 ret = ice_get_ethtool_fdir_entry(hw, cmd); 2684 break; 2685 case ETHTOOL_GRXCLSRLALL: 2686 ret = ice_get_fdir_fltr_ids(hw, cmd, (u32 *)rule_locs); 2687 break; 2688 case ETHTOOL_GRXFH: 2689 ice_get_rss_hash_opt(vsi, cmd); 2690 ret = 0; 2691 break; 2692 default: 2693 break; 2694 } 2695 2696 return ret; 2697 } 2698 2699 static void 2700 ice_get_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2701 { 2702 struct ice_netdev_priv *np = netdev_priv(netdev); 2703 struct ice_vsi *vsi = np->vsi; 2704 2705 ring->rx_max_pending = ICE_MAX_NUM_DESC; 2706 ring->tx_max_pending = ICE_MAX_NUM_DESC; 2707 ring->rx_pending = vsi->rx_rings[0]->count; 2708 ring->tx_pending = vsi->tx_rings[0]->count; 2709 2710 /* Rx mini and jumbo rings are not supported */ 2711 ring->rx_mini_max_pending = 0; 2712 ring->rx_jumbo_max_pending = 0; 2713 ring->rx_mini_pending = 0; 2714 ring->rx_jumbo_pending = 0; 2715 } 2716 2717 static int 2718 ice_set_ringparam(struct net_device *netdev, struct ethtool_ringparam *ring) 2719 { 2720 struct ice_ring *tx_rings = NULL, *rx_rings = NULL; 2721 struct ice_netdev_priv *np = netdev_priv(netdev); 2722 struct ice_ring *xdp_rings = NULL; 2723 struct ice_vsi *vsi = np->vsi; 2724 struct ice_pf *pf = vsi->back; 2725 int i, timeout = 50, err = 0; 2726 u16 new_rx_cnt, new_tx_cnt; 2727 2728 if (ring->tx_pending > ICE_MAX_NUM_DESC || 2729 ring->tx_pending < ICE_MIN_NUM_DESC || 2730 ring->rx_pending > ICE_MAX_NUM_DESC || 2731 ring->rx_pending < ICE_MIN_NUM_DESC) { 2732 netdev_err(netdev, "Descriptors requested (Tx: %d / Rx: %d) out of range [%d-%d] (increment %d)\n", 2733 ring->tx_pending, ring->rx_pending, 2734 ICE_MIN_NUM_DESC, ICE_MAX_NUM_DESC, 2735 ICE_REQ_DESC_MULTIPLE); 2736 return -EINVAL; 2737 } 2738 2739 new_tx_cnt = ALIGN(ring->tx_pending, ICE_REQ_DESC_MULTIPLE); 2740 if (new_tx_cnt != ring->tx_pending) 2741 netdev_info(netdev, "Requested Tx descriptor count rounded up to %d\n", 2742 new_tx_cnt); 2743 new_rx_cnt = ALIGN(ring->rx_pending, ICE_REQ_DESC_MULTIPLE); 2744 if (new_rx_cnt != ring->rx_pending) 2745 netdev_info(netdev, "Requested Rx descriptor count rounded up to %d\n", 2746 new_rx_cnt); 2747 2748 /* if nothing to do return success */ 2749 if (new_tx_cnt == vsi->tx_rings[0]->count && 2750 new_rx_cnt == vsi->rx_rings[0]->count) { 2751 netdev_dbg(netdev, "Nothing to change, descriptor count is same as requested\n"); 2752 return 0; 2753 } 2754 2755 /* If there is a AF_XDP UMEM attached to any of Rx rings, 2756 * disallow changing the number of descriptors -- regardless 2757 * if the netdev is running or not. 2758 */ 2759 if (ice_xsk_any_rx_ring_ena(vsi)) 2760 return -EBUSY; 2761 2762 while (test_and_set_bit(__ICE_CFG_BUSY, pf->state)) { 2763 timeout--; 2764 if (!timeout) 2765 return -EBUSY; 2766 usleep_range(1000, 2000); 2767 } 2768 2769 /* set for the next time the netdev is started */ 2770 if (!netif_running(vsi->netdev)) { 2771 for (i = 0; i < vsi->alloc_txq; i++) 2772 vsi->tx_rings[i]->count = new_tx_cnt; 2773 for (i = 0; i < vsi->alloc_rxq; i++) 2774 vsi->rx_rings[i]->count = new_rx_cnt; 2775 if (ice_is_xdp_ena_vsi(vsi)) 2776 for (i = 0; i < vsi->num_xdp_txq; i++) 2777 vsi->xdp_rings[i]->count = new_tx_cnt; 2778 vsi->num_tx_desc = (u16)new_tx_cnt; 2779 vsi->num_rx_desc = (u16)new_rx_cnt; 2780 netdev_dbg(netdev, "Link is down, descriptor count change happens when link is brought up\n"); 2781 goto done; 2782 } 2783 2784 if (new_tx_cnt == vsi->tx_rings[0]->count) 2785 goto process_rx; 2786 2787 /* alloc updated Tx resources */ 2788 netdev_info(netdev, "Changing Tx descriptor count from %d to %d\n", 2789 vsi->tx_rings[0]->count, new_tx_cnt); 2790 2791 tx_rings = kcalloc(vsi->num_txq, sizeof(*tx_rings), GFP_KERNEL); 2792 if (!tx_rings) { 2793 err = -ENOMEM; 2794 goto done; 2795 } 2796 2797 ice_for_each_txq(vsi, i) { 2798 /* clone ring and setup updated count */ 2799 tx_rings[i] = *vsi->tx_rings[i]; 2800 tx_rings[i].count = new_tx_cnt; 2801 tx_rings[i].desc = NULL; 2802 tx_rings[i].tx_buf = NULL; 2803 err = ice_setup_tx_ring(&tx_rings[i]); 2804 if (err) { 2805 while (i--) 2806 ice_clean_tx_ring(&tx_rings[i]); 2807 kfree(tx_rings); 2808 goto done; 2809 } 2810 } 2811 2812 if (!ice_is_xdp_ena_vsi(vsi)) 2813 goto process_rx; 2814 2815 /* alloc updated XDP resources */ 2816 netdev_info(netdev, "Changing XDP descriptor count from %d to %d\n", 2817 vsi->xdp_rings[0]->count, new_tx_cnt); 2818 2819 xdp_rings = kcalloc(vsi->num_xdp_txq, sizeof(*xdp_rings), GFP_KERNEL); 2820 if (!xdp_rings) { 2821 err = -ENOMEM; 2822 goto free_tx; 2823 } 2824 2825 for (i = 0; i < vsi->num_xdp_txq; i++) { 2826 /* clone ring and setup updated count */ 2827 xdp_rings[i] = *vsi->xdp_rings[i]; 2828 xdp_rings[i].count = new_tx_cnt; 2829 xdp_rings[i].desc = NULL; 2830 xdp_rings[i].tx_buf = NULL; 2831 err = ice_setup_tx_ring(&xdp_rings[i]); 2832 if (err) { 2833 while (i--) 2834 ice_clean_tx_ring(&xdp_rings[i]); 2835 kfree(xdp_rings); 2836 goto free_tx; 2837 } 2838 ice_set_ring_xdp(&xdp_rings[i]); 2839 } 2840 2841 process_rx: 2842 if (new_rx_cnt == vsi->rx_rings[0]->count) 2843 goto process_link; 2844 2845 /* alloc updated Rx resources */ 2846 netdev_info(netdev, "Changing Rx descriptor count from %d to %d\n", 2847 vsi->rx_rings[0]->count, new_rx_cnt); 2848 2849 rx_rings = kcalloc(vsi->num_rxq, sizeof(*rx_rings), GFP_KERNEL); 2850 if (!rx_rings) { 2851 err = -ENOMEM; 2852 goto done; 2853 } 2854 2855 ice_for_each_rxq(vsi, i) { 2856 /* clone ring and setup updated count */ 2857 rx_rings[i] = *vsi->rx_rings[i]; 2858 rx_rings[i].count = new_rx_cnt; 2859 rx_rings[i].desc = NULL; 2860 rx_rings[i].rx_buf = NULL; 2861 /* this is to allow wr32 to have something to write to 2862 * during early allocation of Rx buffers 2863 */ 2864 rx_rings[i].tail = vsi->back->hw.hw_addr + PRTGEN_STATUS; 2865 2866 err = ice_setup_rx_ring(&rx_rings[i]); 2867 if (err) 2868 goto rx_unwind; 2869 2870 /* allocate Rx buffers */ 2871 err = ice_alloc_rx_bufs(&rx_rings[i], 2872 ICE_DESC_UNUSED(&rx_rings[i])); 2873 rx_unwind: 2874 if (err) { 2875 while (i) { 2876 i--; 2877 ice_free_rx_ring(&rx_rings[i]); 2878 } 2879 kfree(rx_rings); 2880 err = -ENOMEM; 2881 goto free_tx; 2882 } 2883 } 2884 2885 process_link: 2886 /* Bring interface down, copy in the new ring info, then restore the 2887 * interface. if VSI is up, bring it down and then back up 2888 */ 2889 if (!test_and_set_bit(__ICE_DOWN, vsi->state)) { 2890 ice_down(vsi); 2891 2892 if (tx_rings) { 2893 ice_for_each_txq(vsi, i) { 2894 ice_free_tx_ring(vsi->tx_rings[i]); 2895 *vsi->tx_rings[i] = tx_rings[i]; 2896 } 2897 kfree(tx_rings); 2898 } 2899 2900 if (rx_rings) { 2901 ice_for_each_rxq(vsi, i) { 2902 ice_free_rx_ring(vsi->rx_rings[i]); 2903 /* copy the real tail offset */ 2904 rx_rings[i].tail = vsi->rx_rings[i]->tail; 2905 /* this is to fake out the allocation routine 2906 * into thinking it has to realloc everything 2907 * but the recycling logic will let us re-use 2908 * the buffers allocated above 2909 */ 2910 rx_rings[i].next_to_use = 0; 2911 rx_rings[i].next_to_clean = 0; 2912 rx_rings[i].next_to_alloc = 0; 2913 *vsi->rx_rings[i] = rx_rings[i]; 2914 } 2915 kfree(rx_rings); 2916 } 2917 2918 if (xdp_rings) { 2919 for (i = 0; i < vsi->num_xdp_txq; i++) { 2920 ice_free_tx_ring(vsi->xdp_rings[i]); 2921 *vsi->xdp_rings[i] = xdp_rings[i]; 2922 } 2923 kfree(xdp_rings); 2924 } 2925 2926 vsi->num_tx_desc = new_tx_cnt; 2927 vsi->num_rx_desc = new_rx_cnt; 2928 ice_up(vsi); 2929 } 2930 goto done; 2931 2932 free_tx: 2933 /* error cleanup if the Rx allocations failed after getting Tx */ 2934 if (tx_rings) { 2935 ice_for_each_txq(vsi, i) 2936 ice_free_tx_ring(&tx_rings[i]); 2937 kfree(tx_rings); 2938 } 2939 2940 done: 2941 clear_bit(__ICE_CFG_BUSY, pf->state); 2942 return err; 2943 } 2944 2945 /** 2946 * ice_get_pauseparam - Get Flow Control status 2947 * @netdev: network interface device structure 2948 * @pause: ethernet pause (flow control) parameters 2949 * 2950 * Get requested flow control status from PHY capability. 2951 * If autoneg is true, then ethtool will send the ETHTOOL_GSET ioctl which 2952 * is handled by ice_get_link_ksettings. ice_get_link_ksettings will report 2953 * the negotiated Rx/Tx pause via lp_advertising. 2954 */ 2955 static void 2956 ice_get_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 2957 { 2958 struct ice_netdev_priv *np = netdev_priv(netdev); 2959 struct ice_port_info *pi = np->vsi->port_info; 2960 struct ice_aqc_get_phy_caps_data *pcaps; 2961 struct ice_dcbx_cfg *dcbx_cfg; 2962 enum ice_status status; 2963 2964 /* Initialize pause params */ 2965 pause->rx_pause = 0; 2966 pause->tx_pause = 0; 2967 2968 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 2969 2970 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 2971 if (!pcaps) 2972 return; 2973 2974 /* Get current PHY config */ 2975 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 2976 NULL); 2977 if (status) 2978 goto out; 2979 2980 pause->autoneg = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 2981 AUTONEG_DISABLE; 2982 2983 if (dcbx_cfg->pfc.pfcena) 2984 /* PFC enabled so report LFC as off */ 2985 goto out; 2986 2987 if (pcaps->caps & ICE_AQC_PHY_EN_TX_LINK_PAUSE) 2988 pause->tx_pause = 1; 2989 if (pcaps->caps & ICE_AQC_PHY_EN_RX_LINK_PAUSE) 2990 pause->rx_pause = 1; 2991 2992 out: 2993 kfree(pcaps); 2994 } 2995 2996 /** 2997 * ice_set_pauseparam - Set Flow Control parameter 2998 * @netdev: network interface device structure 2999 * @pause: return Tx/Rx flow control status 3000 */ 3001 static int 3002 ice_set_pauseparam(struct net_device *netdev, struct ethtool_pauseparam *pause) 3003 { 3004 struct ice_netdev_priv *np = netdev_priv(netdev); 3005 struct ice_aqc_get_phy_caps_data *pcaps; 3006 struct ice_link_status *hw_link_info; 3007 struct ice_pf *pf = np->vsi->back; 3008 struct ice_dcbx_cfg *dcbx_cfg; 3009 struct ice_vsi *vsi = np->vsi; 3010 struct ice_hw *hw = &pf->hw; 3011 struct ice_port_info *pi; 3012 enum ice_status status; 3013 u8 aq_failures; 3014 bool link_up; 3015 int err = 0; 3016 u32 is_an; 3017 3018 pi = vsi->port_info; 3019 hw_link_info = &pi->phy.link_info; 3020 dcbx_cfg = &pi->qos_cfg.local_dcbx_cfg; 3021 link_up = hw_link_info->link_info & ICE_AQ_LINK_UP; 3022 3023 /* Changing the port's flow control is not supported if this isn't the 3024 * PF VSI 3025 */ 3026 if (vsi->type != ICE_VSI_PF) { 3027 netdev_info(netdev, "Changing flow control parameters only supported for PF VSI\n"); 3028 return -EOPNOTSUPP; 3029 } 3030 3031 /* Get pause param reports configured and negotiated flow control pause 3032 * when ETHTOOL_GLINKSETTINGS is defined. Since ETHTOOL_GLINKSETTINGS is 3033 * defined get pause param pause->autoneg reports SW configured setting, 3034 * so compare pause->autoneg with SW configured to prevent the user from 3035 * using set pause param to chance autoneg. 3036 */ 3037 pcaps = kzalloc(sizeof(*pcaps), GFP_KERNEL); 3038 if (!pcaps) 3039 return -ENOMEM; 3040 3041 /* Get current PHY config */ 3042 status = ice_aq_get_phy_caps(pi, false, ICE_AQC_REPORT_SW_CFG, pcaps, 3043 NULL); 3044 if (status) { 3045 kfree(pcaps); 3046 return -EIO; 3047 } 3048 3049 is_an = ice_is_phy_caps_an_enabled(pcaps) ? AUTONEG_ENABLE : 3050 AUTONEG_DISABLE; 3051 3052 kfree(pcaps); 3053 3054 if (pause->autoneg != is_an) { 3055 netdev_info(netdev, "To change autoneg please use: ethtool -s <dev> autoneg <on|off>\n"); 3056 return -EOPNOTSUPP; 3057 } 3058 3059 /* If we have link and don't have autoneg */ 3060 if (!test_bit(__ICE_DOWN, pf->state) && 3061 !(hw_link_info->an_info & ICE_AQ_AN_COMPLETED)) { 3062 /* Send message that it might not necessarily work*/ 3063 netdev_info(netdev, "Autoneg did not complete so changing settings may not result in an actual change.\n"); 3064 } 3065 3066 if (dcbx_cfg->pfc.pfcena) { 3067 netdev_info(netdev, "Priority flow control enabled. Cannot set link flow control.\n"); 3068 return -EOPNOTSUPP; 3069 } 3070 if (pause->rx_pause && pause->tx_pause) 3071 pi->fc.req_mode = ICE_FC_FULL; 3072 else if (pause->rx_pause && !pause->tx_pause) 3073 pi->fc.req_mode = ICE_FC_RX_PAUSE; 3074 else if (!pause->rx_pause && pause->tx_pause) 3075 pi->fc.req_mode = ICE_FC_TX_PAUSE; 3076 else if (!pause->rx_pause && !pause->tx_pause) 3077 pi->fc.req_mode = ICE_FC_NONE; 3078 else 3079 return -EINVAL; 3080 3081 /* Set the FC mode and only restart AN if link is up */ 3082 status = ice_set_fc(pi, &aq_failures, link_up); 3083 3084 if (aq_failures & ICE_SET_FC_AQ_FAIL_GET) { 3085 netdev_info(netdev, "Set fc failed on the get_phy_capabilities call with err %s aq_err %s\n", 3086 ice_stat_str(status), 3087 ice_aq_str(hw->adminq.sq_last_status)); 3088 err = -EAGAIN; 3089 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_SET) { 3090 netdev_info(netdev, "Set fc failed on the set_phy_config call with err %s aq_err %s\n", 3091 ice_stat_str(status), 3092 ice_aq_str(hw->adminq.sq_last_status)); 3093 err = -EAGAIN; 3094 } else if (aq_failures & ICE_SET_FC_AQ_FAIL_UPDATE) { 3095 netdev_info(netdev, "Set fc failed on the get_link_info call with err %s aq_err %s\n", 3096 ice_stat_str(status), 3097 ice_aq_str(hw->adminq.sq_last_status)); 3098 err = -EAGAIN; 3099 } 3100 3101 return err; 3102 } 3103 3104 /** 3105 * ice_get_rxfh_key_size - get the RSS hash key size 3106 * @netdev: network interface device structure 3107 * 3108 * Returns the table size. 3109 */ 3110 static u32 ice_get_rxfh_key_size(struct net_device __always_unused *netdev) 3111 { 3112 return ICE_VSIQF_HKEY_ARRAY_SIZE; 3113 } 3114 3115 /** 3116 * ice_get_rxfh_indir_size - get the Rx flow hash indirection table size 3117 * @netdev: network interface device structure 3118 * 3119 * Returns the table size. 3120 */ 3121 static u32 ice_get_rxfh_indir_size(struct net_device *netdev) 3122 { 3123 struct ice_netdev_priv *np = netdev_priv(netdev); 3124 3125 return np->vsi->rss_table_size; 3126 } 3127 3128 /** 3129 * ice_get_rxfh - get the Rx flow hash indirection table 3130 * @netdev: network interface device structure 3131 * @indir: indirection table 3132 * @key: hash key 3133 * @hfunc: hash function 3134 * 3135 * Reads the indirection table directly from the hardware. 3136 */ 3137 static int 3138 ice_get_rxfh(struct net_device *netdev, u32 *indir, u8 *key, u8 *hfunc) 3139 { 3140 struct ice_netdev_priv *np = netdev_priv(netdev); 3141 struct ice_vsi *vsi = np->vsi; 3142 struct ice_pf *pf = vsi->back; 3143 int ret = 0, i; 3144 u8 *lut; 3145 3146 if (hfunc) 3147 *hfunc = ETH_RSS_HASH_TOP; 3148 3149 if (!indir) 3150 return 0; 3151 3152 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3153 /* RSS not supported return error here */ 3154 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3155 return -EIO; 3156 } 3157 3158 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3159 if (!lut) 3160 return -ENOMEM; 3161 3162 if (ice_get_rss(vsi, key, lut, vsi->rss_table_size)) { 3163 ret = -EIO; 3164 goto out; 3165 } 3166 3167 for (i = 0; i < vsi->rss_table_size; i++) 3168 indir[i] = (u32)(lut[i]); 3169 3170 out: 3171 kfree(lut); 3172 return ret; 3173 } 3174 3175 /** 3176 * ice_set_rxfh - set the Rx flow hash indirection table 3177 * @netdev: network interface device structure 3178 * @indir: indirection table 3179 * @key: hash key 3180 * @hfunc: hash function 3181 * 3182 * Returns -EINVAL if the table specifies an invalid queue ID, otherwise 3183 * returns 0 after programming the table. 3184 */ 3185 static int 3186 ice_set_rxfh(struct net_device *netdev, const u32 *indir, const u8 *key, 3187 const u8 hfunc) 3188 { 3189 struct ice_netdev_priv *np = netdev_priv(netdev); 3190 struct ice_vsi *vsi = np->vsi; 3191 struct ice_pf *pf = vsi->back; 3192 struct device *dev; 3193 u8 *seed = NULL; 3194 3195 dev = ice_pf_to_dev(pf); 3196 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 3197 return -EOPNOTSUPP; 3198 3199 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) { 3200 /* RSS not supported return error here */ 3201 netdev_warn(netdev, "RSS is not configured on this VSI!\n"); 3202 return -EIO; 3203 } 3204 3205 if (key) { 3206 if (!vsi->rss_hkey_user) { 3207 vsi->rss_hkey_user = 3208 devm_kzalloc(dev, ICE_VSIQF_HKEY_ARRAY_SIZE, 3209 GFP_KERNEL); 3210 if (!vsi->rss_hkey_user) 3211 return -ENOMEM; 3212 } 3213 memcpy(vsi->rss_hkey_user, key, ICE_VSIQF_HKEY_ARRAY_SIZE); 3214 seed = vsi->rss_hkey_user; 3215 } 3216 3217 if (!vsi->rss_lut_user) { 3218 vsi->rss_lut_user = devm_kzalloc(dev, vsi->rss_table_size, 3219 GFP_KERNEL); 3220 if (!vsi->rss_lut_user) 3221 return -ENOMEM; 3222 } 3223 3224 /* Each 32 bits pointed by 'indir' is stored with a lut entry */ 3225 if (indir) { 3226 int i; 3227 3228 for (i = 0; i < vsi->rss_table_size; i++) 3229 vsi->rss_lut_user[i] = (u8)(indir[i]); 3230 } else { 3231 ice_fill_rss_lut(vsi->rss_lut_user, vsi->rss_table_size, 3232 vsi->rss_size); 3233 } 3234 3235 if (ice_set_rss(vsi, seed, vsi->rss_lut_user, vsi->rss_table_size)) 3236 return -EIO; 3237 3238 return 0; 3239 } 3240 3241 /** 3242 * ice_get_max_txq - return the maximum number of Tx queues for in a PF 3243 * @pf: PF structure 3244 */ 3245 static int ice_get_max_txq(struct ice_pf *pf) 3246 { 3247 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3248 (u16)pf->hw.func_caps.common_cap.num_txq); 3249 } 3250 3251 /** 3252 * ice_get_max_rxq - return the maximum number of Rx queues for in a PF 3253 * @pf: PF structure 3254 */ 3255 static int ice_get_max_rxq(struct ice_pf *pf) 3256 { 3257 return min3(pf->num_lan_msix, (u16)num_online_cpus(), 3258 (u16)pf->hw.func_caps.common_cap.num_rxq); 3259 } 3260 3261 /** 3262 * ice_get_combined_cnt - return the current number of combined channels 3263 * @vsi: PF VSI pointer 3264 * 3265 * Go through all queue vectors and count ones that have both Rx and Tx ring 3266 * attached 3267 */ 3268 static u32 ice_get_combined_cnt(struct ice_vsi *vsi) 3269 { 3270 u32 combined = 0; 3271 int q_idx; 3272 3273 ice_for_each_q_vector(vsi, q_idx) { 3274 struct ice_q_vector *q_vector = vsi->q_vectors[q_idx]; 3275 3276 if (q_vector->rx.ring && q_vector->tx.ring) 3277 combined++; 3278 } 3279 3280 return combined; 3281 } 3282 3283 /** 3284 * ice_get_channels - get the current and max supported channels 3285 * @dev: network interface device structure 3286 * @ch: ethtool channel data structure 3287 */ 3288 static void 3289 ice_get_channels(struct net_device *dev, struct ethtool_channels *ch) 3290 { 3291 struct ice_netdev_priv *np = netdev_priv(dev); 3292 struct ice_vsi *vsi = np->vsi; 3293 struct ice_pf *pf = vsi->back; 3294 3295 /* report maximum channels */ 3296 ch->max_rx = ice_get_max_rxq(pf); 3297 ch->max_tx = ice_get_max_txq(pf); 3298 ch->max_combined = min_t(int, ch->max_rx, ch->max_tx); 3299 3300 /* report current channels */ 3301 ch->combined_count = ice_get_combined_cnt(vsi); 3302 ch->rx_count = vsi->num_rxq - ch->combined_count; 3303 ch->tx_count = vsi->num_txq - ch->combined_count; 3304 3305 /* report other queues */ 3306 ch->other_count = test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1 : 0; 3307 ch->max_other = ch->other_count; 3308 } 3309 3310 /** 3311 * ice_get_valid_rss_size - return valid number of RSS queues 3312 * @hw: pointer to the HW structure 3313 * @new_size: requested RSS queues 3314 */ 3315 static int ice_get_valid_rss_size(struct ice_hw *hw, int new_size) 3316 { 3317 struct ice_hw_common_caps *caps = &hw->func_caps.common_cap; 3318 3319 return min_t(int, new_size, BIT(caps->rss_table_entry_width)); 3320 } 3321 3322 /** 3323 * ice_vsi_set_dflt_rss_lut - set default RSS LUT with requested RSS size 3324 * @vsi: VSI to reconfigure RSS LUT on 3325 * @req_rss_size: requested range of queue numbers for hashing 3326 * 3327 * Set the VSI's RSS parameters, configure the RSS LUT based on these. 3328 */ 3329 static int ice_vsi_set_dflt_rss_lut(struct ice_vsi *vsi, int req_rss_size) 3330 { 3331 struct ice_pf *pf = vsi->back; 3332 enum ice_status status; 3333 struct device *dev; 3334 struct ice_hw *hw; 3335 int err = 0; 3336 u8 *lut; 3337 3338 dev = ice_pf_to_dev(pf); 3339 hw = &pf->hw; 3340 3341 if (!req_rss_size) 3342 return -EINVAL; 3343 3344 lut = kzalloc(vsi->rss_table_size, GFP_KERNEL); 3345 if (!lut) 3346 return -ENOMEM; 3347 3348 /* set RSS LUT parameters */ 3349 if (!test_bit(ICE_FLAG_RSS_ENA, pf->flags)) 3350 vsi->rss_size = 1; 3351 else 3352 vsi->rss_size = ice_get_valid_rss_size(hw, req_rss_size); 3353 3354 /* create/set RSS LUT */ 3355 ice_fill_rss_lut(lut, vsi->rss_table_size, vsi->rss_size); 3356 status = ice_aq_set_rss_lut(hw, vsi->idx, vsi->rss_lut_type, lut, 3357 vsi->rss_table_size); 3358 if (status) { 3359 dev_err(dev, "Cannot set RSS lut, err %s aq_err %s\n", 3360 ice_stat_str(status), 3361 ice_aq_str(hw->adminq.sq_last_status)); 3362 err = -EIO; 3363 } 3364 3365 kfree(lut); 3366 return err; 3367 } 3368 3369 /** 3370 * ice_set_channels - set the number channels 3371 * @dev: network interface device structure 3372 * @ch: ethtool channel data structure 3373 */ 3374 static int ice_set_channels(struct net_device *dev, struct ethtool_channels *ch) 3375 { 3376 struct ice_netdev_priv *np = netdev_priv(dev); 3377 struct ice_vsi *vsi = np->vsi; 3378 struct ice_pf *pf = vsi->back; 3379 int new_rx = 0, new_tx = 0; 3380 u32 curr_combined; 3381 3382 /* do not support changing channels in Safe Mode */ 3383 if (ice_is_safe_mode(pf)) { 3384 netdev_err(dev, "Changing channel in Safe Mode is not supported\n"); 3385 return -EOPNOTSUPP; 3386 } 3387 /* do not support changing other_count */ 3388 if (ch->other_count != (test_bit(ICE_FLAG_FD_ENA, pf->flags) ? 1U : 0U)) 3389 return -EINVAL; 3390 3391 if (test_bit(ICE_FLAG_FD_ENA, pf->flags) && pf->hw.fdir_active_fltr) { 3392 netdev_err(dev, "Cannot set channels when Flow Director filters are active\n"); 3393 return -EOPNOTSUPP; 3394 } 3395 3396 curr_combined = ice_get_combined_cnt(vsi); 3397 3398 /* these checks are for cases where user didn't specify a particular 3399 * value on cmd line but we get non-zero value anyway via 3400 * get_channels(); look at ethtool.c in ethtool repository (the user 3401 * space part), particularly, do_schannels() routine 3402 */ 3403 if (ch->rx_count == vsi->num_rxq - curr_combined) 3404 ch->rx_count = 0; 3405 if (ch->tx_count == vsi->num_txq - curr_combined) 3406 ch->tx_count = 0; 3407 if (ch->combined_count == curr_combined) 3408 ch->combined_count = 0; 3409 3410 if (!(ch->combined_count || (ch->rx_count && ch->tx_count))) { 3411 netdev_err(dev, "Please specify at least 1 Rx and 1 Tx channel\n"); 3412 return -EINVAL; 3413 } 3414 3415 new_rx = ch->combined_count + ch->rx_count; 3416 new_tx = ch->combined_count + ch->tx_count; 3417 3418 if (new_rx > ice_get_max_rxq(pf)) { 3419 netdev_err(dev, "Maximum allowed Rx channels is %d\n", 3420 ice_get_max_rxq(pf)); 3421 return -EINVAL; 3422 } 3423 if (new_tx > ice_get_max_txq(pf)) { 3424 netdev_err(dev, "Maximum allowed Tx channels is %d\n", 3425 ice_get_max_txq(pf)); 3426 return -EINVAL; 3427 } 3428 3429 ice_vsi_recfg_qs(vsi, new_rx, new_tx); 3430 3431 if (!netif_is_rxfh_configured(dev)) 3432 return ice_vsi_set_dflt_rss_lut(vsi, new_rx); 3433 3434 /* Update rss_size due to change in Rx queues */ 3435 vsi->rss_size = ice_get_valid_rss_size(&pf->hw, new_rx); 3436 3437 return 0; 3438 } 3439 3440 /** 3441 * ice_get_wol - get current Wake on LAN configuration 3442 * @netdev: network interface device structure 3443 * @wol: Ethtool structure to retrieve WoL settings 3444 */ 3445 static void ice_get_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3446 { 3447 struct ice_netdev_priv *np = netdev_priv(netdev); 3448 struct ice_pf *pf = np->vsi->back; 3449 3450 if (np->vsi->type != ICE_VSI_PF) 3451 netdev_warn(netdev, "Wake on LAN is not supported on this interface!\n"); 3452 3453 /* Get WoL settings based on the HW capability */ 3454 if (ice_is_wol_supported(pf)) { 3455 wol->supported = WAKE_MAGIC; 3456 wol->wolopts = pf->wol_ena ? WAKE_MAGIC : 0; 3457 } else { 3458 wol->supported = 0; 3459 wol->wolopts = 0; 3460 } 3461 } 3462 3463 /** 3464 * ice_set_wol - set Wake on LAN on supported device 3465 * @netdev: network interface device structure 3466 * @wol: Ethtool structure to set WoL 3467 */ 3468 static int ice_set_wol(struct net_device *netdev, struct ethtool_wolinfo *wol) 3469 { 3470 struct ice_netdev_priv *np = netdev_priv(netdev); 3471 struct ice_vsi *vsi = np->vsi; 3472 struct ice_pf *pf = vsi->back; 3473 3474 if (vsi->type != ICE_VSI_PF || !ice_is_wol_supported(pf)) 3475 return -EOPNOTSUPP; 3476 3477 /* only magic packet is supported */ 3478 if (wol->wolopts && wol->wolopts != WAKE_MAGIC) 3479 return -EOPNOTSUPP; 3480 3481 /* Set WoL only if there is a new value */ 3482 if (pf->wol_ena != !!wol->wolopts) { 3483 pf->wol_ena = !!wol->wolopts; 3484 device_set_wakeup_enable(ice_pf_to_dev(pf), pf->wol_ena); 3485 netdev_dbg(netdev, "WoL magic packet %sabled\n", 3486 pf->wol_ena ? "en" : "dis"); 3487 } 3488 3489 return 0; 3490 } 3491 3492 enum ice_container_type { 3493 ICE_RX_CONTAINER, 3494 ICE_TX_CONTAINER, 3495 }; 3496 3497 /** 3498 * ice_get_rc_coalesce - get ITR values for specific ring container 3499 * @ec: ethtool structure to fill with driver's coalesce settings 3500 * @c_type: container type, Rx or Tx 3501 * @rc: ring container that the ITR values will come from 3502 * 3503 * Query the device for ice_ring_container specific ITR values. This is 3504 * done per ice_ring_container because each q_vector can have 1 or more rings 3505 * and all of said ring(s) will have the same ITR values. 3506 * 3507 * Returns 0 on success, negative otherwise. 3508 */ 3509 static int 3510 ice_get_rc_coalesce(struct ethtool_coalesce *ec, enum ice_container_type c_type, 3511 struct ice_ring_container *rc) 3512 { 3513 struct ice_pf *pf; 3514 3515 if (!rc->ring) 3516 return -EINVAL; 3517 3518 pf = rc->ring->vsi->back; 3519 3520 switch (c_type) { 3521 case ICE_RX_CONTAINER: 3522 ec->use_adaptive_rx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3523 ec->rx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3524 ec->rx_coalesce_usecs_high = rc->ring->q_vector->intrl; 3525 break; 3526 case ICE_TX_CONTAINER: 3527 ec->use_adaptive_tx_coalesce = ITR_IS_DYNAMIC(rc->itr_setting); 3528 ec->tx_coalesce_usecs = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3529 break; 3530 default: 3531 dev_dbg(ice_pf_to_dev(pf), "Invalid c_type %d\n", c_type); 3532 return -EINVAL; 3533 } 3534 3535 return 0; 3536 } 3537 3538 /** 3539 * ice_get_q_coalesce - get a queue's ITR/INTRL (coalesce) settings 3540 * @vsi: VSI associated to the queue for getting ITR/INTRL (coalesce) settings 3541 * @ec: coalesce settings to program the device with 3542 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3543 * 3544 * Return 0 on success, and negative under the following conditions: 3545 * 1. Getting Tx or Rx ITR/INTRL (coalesce) settings failed. 3546 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3547 */ 3548 static int 3549 ice_get_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3550 { 3551 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3552 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3553 &vsi->rx_rings[q_num]->q_vector->rx)) 3554 return -EINVAL; 3555 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3556 &vsi->tx_rings[q_num]->q_vector->tx)) 3557 return -EINVAL; 3558 } else if (q_num < vsi->num_rxq) { 3559 if (ice_get_rc_coalesce(ec, ICE_RX_CONTAINER, 3560 &vsi->rx_rings[q_num]->q_vector->rx)) 3561 return -EINVAL; 3562 } else if (q_num < vsi->num_txq) { 3563 if (ice_get_rc_coalesce(ec, ICE_TX_CONTAINER, 3564 &vsi->tx_rings[q_num]->q_vector->tx)) 3565 return -EINVAL; 3566 } else { 3567 return -EINVAL; 3568 } 3569 3570 return 0; 3571 } 3572 3573 /** 3574 * __ice_get_coalesce - get ITR/INTRL values for the device 3575 * @netdev: pointer to the netdev associated with this query 3576 * @ec: ethtool structure to fill with driver's coalesce settings 3577 * @q_num: queue number to get the coalesce settings for 3578 * 3579 * If the caller passes in a negative q_num then we return coalesce settings 3580 * based on queue number 0, else use the actual q_num passed in. 3581 */ 3582 static int 3583 __ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3584 int q_num) 3585 { 3586 struct ice_netdev_priv *np = netdev_priv(netdev); 3587 struct ice_vsi *vsi = np->vsi; 3588 3589 if (q_num < 0) 3590 q_num = 0; 3591 3592 if (ice_get_q_coalesce(vsi, ec, q_num)) 3593 return -EINVAL; 3594 3595 return 0; 3596 } 3597 3598 static int 3599 ice_get_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3600 { 3601 return __ice_get_coalesce(netdev, ec, -1); 3602 } 3603 3604 static int 3605 ice_get_per_q_coalesce(struct net_device *netdev, u32 q_num, 3606 struct ethtool_coalesce *ec) 3607 { 3608 return __ice_get_coalesce(netdev, ec, q_num); 3609 } 3610 3611 /** 3612 * ice_set_rc_coalesce - set ITR values for specific ring container 3613 * @c_type: container type, Rx or Tx 3614 * @ec: ethtool structure from user to update ITR settings 3615 * @rc: ring container that the ITR values will come from 3616 * @vsi: VSI associated to the ring container 3617 * 3618 * Set specific ITR values. This is done per ice_ring_container because each 3619 * q_vector can have 1 or more rings and all of said ring(s) will have the same 3620 * ITR values. 3621 * 3622 * Returns 0 on success, negative otherwise. 3623 */ 3624 static int 3625 ice_set_rc_coalesce(enum ice_container_type c_type, struct ethtool_coalesce *ec, 3626 struct ice_ring_container *rc, struct ice_vsi *vsi) 3627 { 3628 const char *c_type_str = (c_type == ICE_RX_CONTAINER) ? "rx" : "tx"; 3629 u32 use_adaptive_coalesce, coalesce_usecs; 3630 struct ice_pf *pf = vsi->back; 3631 u16 itr_setting; 3632 3633 if (!rc->ring) 3634 return -EINVAL; 3635 3636 switch (c_type) { 3637 case ICE_RX_CONTAINER: 3638 if (ec->rx_coalesce_usecs_high > ICE_MAX_INTRL || 3639 (ec->rx_coalesce_usecs_high && 3640 ec->rx_coalesce_usecs_high < pf->hw.intrl_gran)) { 3641 netdev_info(vsi->netdev, "Invalid value, %s-usecs-high valid values are 0 (disabled), %d-%d\n", 3642 c_type_str, pf->hw.intrl_gran, 3643 ICE_MAX_INTRL); 3644 return -EINVAL; 3645 } 3646 if (ec->rx_coalesce_usecs_high != rc->ring->q_vector->intrl) { 3647 rc->ring->q_vector->intrl = ec->rx_coalesce_usecs_high; 3648 wr32(&pf->hw, GLINT_RATE(rc->ring->q_vector->reg_idx), 3649 ice_intrl_usec_to_reg(ec->rx_coalesce_usecs_high, 3650 pf->hw.intrl_gran)); 3651 } 3652 3653 use_adaptive_coalesce = ec->use_adaptive_rx_coalesce; 3654 coalesce_usecs = ec->rx_coalesce_usecs; 3655 3656 break; 3657 case ICE_TX_CONTAINER: 3658 use_adaptive_coalesce = ec->use_adaptive_tx_coalesce; 3659 coalesce_usecs = ec->tx_coalesce_usecs; 3660 3661 break; 3662 default: 3663 dev_dbg(ice_pf_to_dev(pf), "Invalid container type %d\n", 3664 c_type); 3665 return -EINVAL; 3666 } 3667 3668 itr_setting = rc->itr_setting & ~ICE_ITR_DYNAMIC; 3669 if (coalesce_usecs != itr_setting && use_adaptive_coalesce) { 3670 netdev_info(vsi->netdev, "%s interrupt throttling cannot be changed if adaptive-%s is enabled\n", 3671 c_type_str, c_type_str); 3672 return -EINVAL; 3673 } 3674 3675 if (coalesce_usecs > ICE_ITR_MAX) { 3676 netdev_info(vsi->netdev, "Invalid value, %s-usecs range is 0-%d\n", 3677 c_type_str, ICE_ITR_MAX); 3678 return -EINVAL; 3679 } 3680 3681 if (use_adaptive_coalesce) { 3682 rc->itr_setting |= ICE_ITR_DYNAMIC; 3683 } else { 3684 /* save the user set usecs */ 3685 rc->itr_setting = coalesce_usecs; 3686 /* device ITR granularity is in 2 usec increments */ 3687 rc->target_itr = ITR_REG_ALIGN(rc->itr_setting); 3688 } 3689 3690 return 0; 3691 } 3692 3693 /** 3694 * ice_set_q_coalesce - set a queue's ITR/INTRL (coalesce) settings 3695 * @vsi: VSI associated to the queue that need updating 3696 * @ec: coalesce settings to program the device with 3697 * @q_num: update ITR/INTRL (coalesce) settings for this queue number/index 3698 * 3699 * Return 0 on success, and negative under the following conditions: 3700 * 1. Setting Tx or Rx ITR/INTRL (coalesce) settings failed. 3701 * 2. The q_num passed in is not a valid number/index for Tx and Rx rings. 3702 */ 3703 static int 3704 ice_set_q_coalesce(struct ice_vsi *vsi, struct ethtool_coalesce *ec, int q_num) 3705 { 3706 if (q_num < vsi->num_rxq && q_num < vsi->num_txq) { 3707 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3708 &vsi->rx_rings[q_num]->q_vector->rx, 3709 vsi)) 3710 return -EINVAL; 3711 3712 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3713 &vsi->tx_rings[q_num]->q_vector->tx, 3714 vsi)) 3715 return -EINVAL; 3716 } else if (q_num < vsi->num_rxq) { 3717 if (ice_set_rc_coalesce(ICE_RX_CONTAINER, ec, 3718 &vsi->rx_rings[q_num]->q_vector->rx, 3719 vsi)) 3720 return -EINVAL; 3721 } else if (q_num < vsi->num_txq) { 3722 if (ice_set_rc_coalesce(ICE_TX_CONTAINER, ec, 3723 &vsi->tx_rings[q_num]->q_vector->tx, 3724 vsi)) 3725 return -EINVAL; 3726 } else { 3727 return -EINVAL; 3728 } 3729 3730 return 0; 3731 } 3732 3733 /** 3734 * ice_print_if_odd_usecs - print message if user tries to set odd [tx|rx]-usecs 3735 * @netdev: netdev used for print 3736 * @itr_setting: previous user setting 3737 * @use_adaptive_coalesce: if adaptive coalesce is enabled or being enabled 3738 * @coalesce_usecs: requested value of [tx|rx]-usecs 3739 * @c_type_str: either "rx" or "tx" to match user set field of [tx|rx]-usecs 3740 */ 3741 static void 3742 ice_print_if_odd_usecs(struct net_device *netdev, u16 itr_setting, 3743 u32 use_adaptive_coalesce, u32 coalesce_usecs, 3744 const char *c_type_str) 3745 { 3746 if (use_adaptive_coalesce) 3747 return; 3748 3749 itr_setting = ITR_TO_REG(itr_setting); 3750 3751 if (itr_setting != coalesce_usecs && (coalesce_usecs % 2)) 3752 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", 3753 c_type_str, coalesce_usecs, c_type_str, 3754 ITR_REG_ALIGN(coalesce_usecs)); 3755 } 3756 3757 /** 3758 * __ice_set_coalesce - set ITR/INTRL values for the device 3759 * @netdev: pointer to the netdev associated with this query 3760 * @ec: ethtool structure to fill with driver's coalesce settings 3761 * @q_num: queue number to get the coalesce settings for 3762 * 3763 * If the caller passes in a negative q_num then we set the coalesce settings 3764 * for all Tx/Rx queues, else use the actual q_num passed in. 3765 */ 3766 static int 3767 __ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec, 3768 int q_num) 3769 { 3770 struct ice_netdev_priv *np = netdev_priv(netdev); 3771 struct ice_vsi *vsi = np->vsi; 3772 3773 if (q_num < 0) { 3774 struct ice_q_vector *q_vector = vsi->q_vectors[0]; 3775 int v_idx; 3776 3777 if (q_vector) { 3778 ice_print_if_odd_usecs(netdev, q_vector->rx.itr_setting, 3779 ec->use_adaptive_rx_coalesce, 3780 ec->rx_coalesce_usecs, "rx"); 3781 3782 ice_print_if_odd_usecs(netdev, q_vector->tx.itr_setting, 3783 ec->use_adaptive_tx_coalesce, 3784 ec->tx_coalesce_usecs, "tx"); 3785 } 3786 3787 ice_for_each_q_vector(vsi, v_idx) { 3788 /* In some cases if DCB is configured the num_[rx|tx]q 3789 * can be less than vsi->num_q_vectors. This check 3790 * accounts for that so we don't report a false failure 3791 */ 3792 if (v_idx >= vsi->num_rxq && v_idx >= vsi->num_txq) 3793 goto set_complete; 3794 3795 if (ice_set_q_coalesce(vsi, ec, v_idx)) 3796 return -EINVAL; 3797 } 3798 goto set_complete; 3799 } 3800 3801 if (ice_set_q_coalesce(vsi, ec, q_num)) 3802 return -EINVAL; 3803 3804 set_complete: 3805 3806 return 0; 3807 } 3808 3809 static int 3810 ice_set_coalesce(struct net_device *netdev, struct ethtool_coalesce *ec) 3811 { 3812 return __ice_set_coalesce(netdev, ec, -1); 3813 } 3814 3815 static int 3816 ice_set_per_q_coalesce(struct net_device *netdev, u32 q_num, 3817 struct ethtool_coalesce *ec) 3818 { 3819 return __ice_set_coalesce(netdev, ec, q_num); 3820 } 3821 3822 #define ICE_I2C_EEPROM_DEV_ADDR 0xA0 3823 #define ICE_I2C_EEPROM_DEV_ADDR2 0xA2 3824 #define ICE_MODULE_TYPE_SFP 0x03 3825 #define ICE_MODULE_TYPE_QSFP_PLUS 0x0D 3826 #define ICE_MODULE_TYPE_QSFP28 0x11 3827 #define ICE_MODULE_SFF_ADDR_MODE 0x04 3828 #define ICE_MODULE_SFF_DIAG_CAPAB 0x40 3829 #define ICE_MODULE_REVISION_ADDR 0x01 3830 #define ICE_MODULE_SFF_8472_COMP 0x5E 3831 #define ICE_MODULE_SFF_8472_SWAP 0x5C 3832 #define ICE_MODULE_QSFP_MAX_LEN 640 3833 3834 /** 3835 * ice_get_module_info - get SFF module type and revision information 3836 * @netdev: network interface device structure 3837 * @modinfo: module EEPROM size and layout information structure 3838 */ 3839 static int 3840 ice_get_module_info(struct net_device *netdev, 3841 struct ethtool_modinfo *modinfo) 3842 { 3843 struct ice_netdev_priv *np = netdev_priv(netdev); 3844 struct ice_vsi *vsi = np->vsi; 3845 struct ice_pf *pf = vsi->back; 3846 struct ice_hw *hw = &pf->hw; 3847 enum ice_status status; 3848 u8 sff8472_comp = 0; 3849 u8 sff8472_swap = 0; 3850 u8 sff8636_rev = 0; 3851 u8 value = 0; 3852 3853 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 0x00, 0x00, 3854 0, &value, 1, 0, NULL); 3855 if (status) 3856 return -EIO; 3857 3858 switch (value) { 3859 case ICE_MODULE_TYPE_SFP: 3860 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3861 ICE_MODULE_SFF_8472_COMP, 0x00, 0, 3862 &sff8472_comp, 1, 0, NULL); 3863 if (status) 3864 return -EIO; 3865 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3866 ICE_MODULE_SFF_8472_SWAP, 0x00, 0, 3867 &sff8472_swap, 1, 0, NULL); 3868 if (status) 3869 return -EIO; 3870 3871 if (sff8472_swap & ICE_MODULE_SFF_ADDR_MODE) { 3872 modinfo->type = ETH_MODULE_SFF_8079; 3873 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3874 } else if (sff8472_comp && 3875 (sff8472_swap & ICE_MODULE_SFF_DIAG_CAPAB)) { 3876 modinfo->type = ETH_MODULE_SFF_8472; 3877 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 3878 } else { 3879 modinfo->type = ETH_MODULE_SFF_8079; 3880 modinfo->eeprom_len = ETH_MODULE_SFF_8079_LEN; 3881 } 3882 break; 3883 case ICE_MODULE_TYPE_QSFP_PLUS: 3884 case ICE_MODULE_TYPE_QSFP28: 3885 status = ice_aq_sff_eeprom(hw, 0, ICE_I2C_EEPROM_DEV_ADDR, 3886 ICE_MODULE_REVISION_ADDR, 0x00, 0, 3887 &sff8636_rev, 1, 0, NULL); 3888 if (status) 3889 return -EIO; 3890 /* Check revision compliance */ 3891 if (sff8636_rev > 0x02) { 3892 /* Module is SFF-8636 compliant */ 3893 modinfo->type = ETH_MODULE_SFF_8636; 3894 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3895 } else { 3896 modinfo->type = ETH_MODULE_SFF_8436; 3897 modinfo->eeprom_len = ICE_MODULE_QSFP_MAX_LEN; 3898 } 3899 break; 3900 default: 3901 netdev_warn(netdev, "SFF Module Type not recognized.\n"); 3902 return -EINVAL; 3903 } 3904 return 0; 3905 } 3906 3907 /** 3908 * ice_get_module_eeprom - fill buffer with SFF EEPROM contents 3909 * @netdev: network interface device structure 3910 * @ee: EEPROM dump request structure 3911 * @data: buffer to be filled with EEPROM contents 3912 */ 3913 static int 3914 ice_get_module_eeprom(struct net_device *netdev, 3915 struct ethtool_eeprom *ee, u8 *data) 3916 { 3917 struct ice_netdev_priv *np = netdev_priv(netdev); 3918 u8 addr = ICE_I2C_EEPROM_DEV_ADDR; 3919 struct ice_vsi *vsi = np->vsi; 3920 struct ice_pf *pf = vsi->back; 3921 struct ice_hw *hw = &pf->hw; 3922 enum ice_status status; 3923 bool is_sfp = false; 3924 unsigned int i; 3925 u16 offset = 0; 3926 u8 value = 0; 3927 u8 page = 0; 3928 3929 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, 0, 3930 &value, 1, 0, NULL); 3931 if (status) 3932 return -EIO; 3933 3934 if (!ee || !ee->len || !data) 3935 return -EINVAL; 3936 3937 if (value == ICE_MODULE_TYPE_SFP) 3938 is_sfp = true; 3939 3940 for (i = 0; i < ee->len; i++) { 3941 offset = i + ee->offset; 3942 3943 /* Check if we need to access the other memory page */ 3944 if (is_sfp) { 3945 if (offset >= ETH_MODULE_SFF_8079_LEN) { 3946 offset -= ETH_MODULE_SFF_8079_LEN; 3947 addr = ICE_I2C_EEPROM_DEV_ADDR2; 3948 } 3949 } else { 3950 while (offset >= ETH_MODULE_SFF_8436_LEN) { 3951 /* Compute memory page number and offset. */ 3952 offset -= ETH_MODULE_SFF_8436_LEN / 2; 3953 page++; 3954 } 3955 } 3956 3957 status = ice_aq_sff_eeprom(hw, 0, addr, offset, page, !is_sfp, 3958 &value, 1, 0, NULL); 3959 if (status) 3960 value = 0; 3961 data[i] = value; 3962 } 3963 return 0; 3964 } 3965 3966 static const struct ethtool_ops ice_ethtool_ops = { 3967 .supported_coalesce_params = ETHTOOL_COALESCE_USECS | 3968 ETHTOOL_COALESCE_USE_ADAPTIVE | 3969 ETHTOOL_COALESCE_RX_USECS_HIGH, 3970 .get_link_ksettings = ice_get_link_ksettings, 3971 .set_link_ksettings = ice_set_link_ksettings, 3972 .get_drvinfo = ice_get_drvinfo, 3973 .get_regs_len = ice_get_regs_len, 3974 .get_regs = ice_get_regs, 3975 .get_wol = ice_get_wol, 3976 .set_wol = ice_set_wol, 3977 .get_msglevel = ice_get_msglevel, 3978 .set_msglevel = ice_set_msglevel, 3979 .self_test = ice_self_test, 3980 .get_link = ethtool_op_get_link, 3981 .get_eeprom_len = ice_get_eeprom_len, 3982 .get_eeprom = ice_get_eeprom, 3983 .get_coalesce = ice_get_coalesce, 3984 .set_coalesce = ice_set_coalesce, 3985 .get_strings = ice_get_strings, 3986 .set_phys_id = ice_set_phys_id, 3987 .get_ethtool_stats = ice_get_ethtool_stats, 3988 .get_priv_flags = ice_get_priv_flags, 3989 .set_priv_flags = ice_set_priv_flags, 3990 .get_sset_count = ice_get_sset_count, 3991 .get_rxnfc = ice_get_rxnfc, 3992 .set_rxnfc = ice_set_rxnfc, 3993 .get_ringparam = ice_get_ringparam, 3994 .set_ringparam = ice_set_ringparam, 3995 .nway_reset = ice_nway_reset, 3996 .get_pauseparam = ice_get_pauseparam, 3997 .set_pauseparam = ice_set_pauseparam, 3998 .get_rxfh_key_size = ice_get_rxfh_key_size, 3999 .get_rxfh_indir_size = ice_get_rxfh_indir_size, 4000 .get_rxfh = ice_get_rxfh, 4001 .set_rxfh = ice_set_rxfh, 4002 .get_channels = ice_get_channels, 4003 .set_channels = ice_set_channels, 4004 .get_ts_info = ethtool_op_get_ts_info, 4005 .get_per_queue_coalesce = ice_get_per_q_coalesce, 4006 .set_per_queue_coalesce = ice_set_per_q_coalesce, 4007 .get_fecparam = ice_get_fecparam, 4008 .set_fecparam = ice_set_fecparam, 4009 .get_module_info = ice_get_module_info, 4010 .get_module_eeprom = ice_get_module_eeprom, 4011 }; 4012 4013 static const struct ethtool_ops ice_ethtool_safe_mode_ops = { 4014 .get_link_ksettings = ice_get_link_ksettings, 4015 .set_link_ksettings = ice_set_link_ksettings, 4016 .get_drvinfo = ice_get_drvinfo, 4017 .get_regs_len = ice_get_regs_len, 4018 .get_regs = ice_get_regs, 4019 .get_wol = ice_get_wol, 4020 .set_wol = ice_set_wol, 4021 .get_msglevel = ice_get_msglevel, 4022 .set_msglevel = ice_set_msglevel, 4023 .get_link = ethtool_op_get_link, 4024 .get_eeprom_len = ice_get_eeprom_len, 4025 .get_eeprom = ice_get_eeprom, 4026 .get_strings = ice_get_strings, 4027 .get_ethtool_stats = ice_get_ethtool_stats, 4028 .get_sset_count = ice_get_sset_count, 4029 .get_ringparam = ice_get_ringparam, 4030 .set_ringparam = ice_set_ringparam, 4031 .nway_reset = ice_nway_reset, 4032 .get_channels = ice_get_channels, 4033 }; 4034 4035 /** 4036 * ice_set_ethtool_safe_mode_ops - setup safe mode ethtool ops 4037 * @netdev: network interface device structure 4038 */ 4039 void ice_set_ethtool_safe_mode_ops(struct net_device *netdev) 4040 { 4041 netdev->ethtool_ops = &ice_ethtool_safe_mode_ops; 4042 } 4043 4044 /** 4045 * ice_set_ethtool_ops - setup netdev ethtool ops 4046 * @netdev: network interface device structure 4047 * 4048 * setup netdev ethtool ops with ice specific ops 4049 */ 4050 void ice_set_ethtool_ops(struct net_device *netdev) 4051 { 4052 netdev->ethtool_ops = &ice_ethtool_ops; 4053 } 4054