1 // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause) 2 /* QLogic qede NIC Driver 3 * Copyright (c) 2015-2017 QLogic Corporation 4 * Copyright (c) 2019-2020 Marvell International Ltd. 5 */ 6 7 #include <linux/version.h> 8 #include <linux/types.h> 9 #include <linux/netdevice.h> 10 #include <linux/etherdevice.h> 11 #include <linux/ethtool.h> 12 #include <linux/string.h> 13 #include <linux/pci.h> 14 #include <linux/capability.h> 15 #include <linux/vmalloc.h> 16 #include <linux/phylink.h> 17 18 #include "qede.h" 19 #include "qede_ptp.h" 20 21 #define QEDE_RQSTAT_OFFSET(stat_name) \ 22 (offsetof(struct qede_rx_queue, stat_name)) 23 #define QEDE_RQSTAT_STRING(stat_name) (#stat_name) 24 #define QEDE_RQSTAT(stat_name) \ 25 {QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)} 26 27 #define QEDE_SELFTEST_POLL_COUNT 100 28 #define QEDE_DUMP_VERSION 0x1 29 #define QEDE_DUMP_NVM_ARG_COUNT 2 30 31 static const struct { 32 u64 offset; 33 char string[ETH_GSTRING_LEN]; 34 } qede_rqstats_arr[] = { 35 QEDE_RQSTAT(rcv_pkts), 36 QEDE_RQSTAT(rx_hw_errors), 37 QEDE_RQSTAT(rx_alloc_errors), 38 QEDE_RQSTAT(rx_ip_frags), 39 QEDE_RQSTAT(xdp_no_pass), 40 }; 41 42 #define QEDE_NUM_RQSTATS ARRAY_SIZE(qede_rqstats_arr) 43 #define QEDE_TQSTAT_OFFSET(stat_name) \ 44 (offsetof(struct qede_tx_queue, stat_name)) 45 #define QEDE_TQSTAT_STRING(stat_name) (#stat_name) 46 #define QEDE_TQSTAT(stat_name) \ 47 {QEDE_TQSTAT_OFFSET(stat_name), QEDE_TQSTAT_STRING(stat_name)} 48 #define QEDE_NUM_TQSTATS ARRAY_SIZE(qede_tqstats_arr) 49 static const struct { 50 u64 offset; 51 char string[ETH_GSTRING_LEN]; 52 } qede_tqstats_arr[] = { 53 QEDE_TQSTAT(xmit_pkts), 54 QEDE_TQSTAT(stopped_cnt), 55 QEDE_TQSTAT(tx_mem_alloc_err), 56 }; 57 58 #define QEDE_STAT_OFFSET(stat_name, type, base) \ 59 (offsetof(type, stat_name) + (base)) 60 #define QEDE_STAT_STRING(stat_name) (#stat_name) 61 #define _QEDE_STAT(stat_name, type, base, attr) \ 62 {QEDE_STAT_OFFSET(stat_name, type, base), \ 63 QEDE_STAT_STRING(stat_name), \ 64 attr} 65 #define QEDE_STAT(stat_name) \ 66 _QEDE_STAT(stat_name, struct qede_stats_common, 0, 0x0) 67 #define QEDE_PF_STAT(stat_name) \ 68 _QEDE_STAT(stat_name, struct qede_stats_common, 0, \ 69 BIT(QEDE_STAT_PF_ONLY)) 70 #define QEDE_PF_BB_STAT(stat_name) \ 71 _QEDE_STAT(stat_name, struct qede_stats_bb, \ 72 offsetof(struct qede_stats, bb), \ 73 BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_BB_ONLY)) 74 #define QEDE_PF_AH_STAT(stat_name) \ 75 _QEDE_STAT(stat_name, struct qede_stats_ah, \ 76 offsetof(struct qede_stats, ah), \ 77 BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_AH_ONLY)) 78 static const struct { 79 u64 offset; 80 char string[ETH_GSTRING_LEN]; 81 unsigned long attr; 82 #define QEDE_STAT_PF_ONLY 0 83 #define QEDE_STAT_BB_ONLY 1 84 #define QEDE_STAT_AH_ONLY 2 85 } qede_stats_arr[] = { 86 QEDE_STAT(rx_ucast_bytes), 87 QEDE_STAT(rx_mcast_bytes), 88 QEDE_STAT(rx_bcast_bytes), 89 QEDE_STAT(rx_ucast_pkts), 90 QEDE_STAT(rx_mcast_pkts), 91 QEDE_STAT(rx_bcast_pkts), 92 93 QEDE_STAT(tx_ucast_bytes), 94 QEDE_STAT(tx_mcast_bytes), 95 QEDE_STAT(tx_bcast_bytes), 96 QEDE_STAT(tx_ucast_pkts), 97 QEDE_STAT(tx_mcast_pkts), 98 QEDE_STAT(tx_bcast_pkts), 99 100 QEDE_PF_STAT(rx_64_byte_packets), 101 QEDE_PF_STAT(rx_65_to_127_byte_packets), 102 QEDE_PF_STAT(rx_128_to_255_byte_packets), 103 QEDE_PF_STAT(rx_256_to_511_byte_packets), 104 QEDE_PF_STAT(rx_512_to_1023_byte_packets), 105 QEDE_PF_STAT(rx_1024_to_1518_byte_packets), 106 QEDE_PF_BB_STAT(rx_1519_to_1522_byte_packets), 107 QEDE_PF_BB_STAT(rx_1519_to_2047_byte_packets), 108 QEDE_PF_BB_STAT(rx_2048_to_4095_byte_packets), 109 QEDE_PF_BB_STAT(rx_4096_to_9216_byte_packets), 110 QEDE_PF_BB_STAT(rx_9217_to_16383_byte_packets), 111 QEDE_PF_AH_STAT(rx_1519_to_max_byte_packets), 112 QEDE_PF_STAT(tx_64_byte_packets), 113 QEDE_PF_STAT(tx_65_to_127_byte_packets), 114 QEDE_PF_STAT(tx_128_to_255_byte_packets), 115 QEDE_PF_STAT(tx_256_to_511_byte_packets), 116 QEDE_PF_STAT(tx_512_to_1023_byte_packets), 117 QEDE_PF_STAT(tx_1024_to_1518_byte_packets), 118 QEDE_PF_BB_STAT(tx_1519_to_2047_byte_packets), 119 QEDE_PF_BB_STAT(tx_2048_to_4095_byte_packets), 120 QEDE_PF_BB_STAT(tx_4096_to_9216_byte_packets), 121 QEDE_PF_BB_STAT(tx_9217_to_16383_byte_packets), 122 QEDE_PF_AH_STAT(tx_1519_to_max_byte_packets), 123 QEDE_PF_STAT(rx_mac_crtl_frames), 124 QEDE_PF_STAT(tx_mac_ctrl_frames), 125 QEDE_PF_STAT(rx_pause_frames), 126 QEDE_PF_STAT(tx_pause_frames), 127 QEDE_PF_STAT(rx_pfc_frames), 128 QEDE_PF_STAT(tx_pfc_frames), 129 130 QEDE_PF_STAT(rx_crc_errors), 131 QEDE_PF_STAT(rx_align_errors), 132 QEDE_PF_STAT(rx_carrier_errors), 133 QEDE_PF_STAT(rx_oversize_packets), 134 QEDE_PF_STAT(rx_jabbers), 135 QEDE_PF_STAT(rx_undersize_packets), 136 QEDE_PF_STAT(rx_fragments), 137 QEDE_PF_BB_STAT(tx_lpi_entry_count), 138 QEDE_PF_BB_STAT(tx_total_collisions), 139 QEDE_PF_STAT(brb_truncates), 140 QEDE_PF_STAT(brb_discards), 141 QEDE_STAT(no_buff_discards), 142 QEDE_PF_STAT(mftag_filter_discards), 143 QEDE_PF_STAT(mac_filter_discards), 144 QEDE_PF_STAT(gft_filter_drop), 145 QEDE_STAT(tx_err_drop_pkts), 146 QEDE_STAT(ttl0_discard), 147 QEDE_STAT(packet_too_big_discard), 148 149 QEDE_STAT(coalesced_pkts), 150 QEDE_STAT(coalesced_events), 151 QEDE_STAT(coalesced_aborts_num), 152 QEDE_STAT(non_coalesced_pkts), 153 QEDE_STAT(coalesced_bytes), 154 155 QEDE_STAT(link_change_count), 156 QEDE_STAT(ptp_skip_txts), 157 }; 158 159 #define QEDE_NUM_STATS ARRAY_SIZE(qede_stats_arr) 160 #define QEDE_STAT_IS_PF_ONLY(i) \ 161 test_bit(QEDE_STAT_PF_ONLY, &qede_stats_arr[i].attr) 162 #define QEDE_STAT_IS_BB_ONLY(i) \ 163 test_bit(QEDE_STAT_BB_ONLY, &qede_stats_arr[i].attr) 164 #define QEDE_STAT_IS_AH_ONLY(i) \ 165 test_bit(QEDE_STAT_AH_ONLY, &qede_stats_arr[i].attr) 166 167 enum { 168 QEDE_PRI_FLAG_CMT, 169 QEDE_PRI_FLAG_SMART_AN_SUPPORT, /* MFW supports SmartAN */ 170 QEDE_PRI_FLAG_RECOVER_ON_ERROR, 171 QEDE_PRI_FLAG_LEN, 172 }; 173 174 static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = { 175 "Coupled-Function", 176 "SmartAN capable", 177 "Recover on error", 178 }; 179 180 enum qede_ethtool_tests { 181 QEDE_ETHTOOL_INT_LOOPBACK, 182 QEDE_ETHTOOL_INTERRUPT_TEST, 183 QEDE_ETHTOOL_MEMORY_TEST, 184 QEDE_ETHTOOL_REGISTER_TEST, 185 QEDE_ETHTOOL_CLOCK_TEST, 186 QEDE_ETHTOOL_NVRAM_TEST, 187 QEDE_ETHTOOL_TEST_MAX 188 }; 189 190 static const char qede_tests_str_arr[QEDE_ETHTOOL_TEST_MAX][ETH_GSTRING_LEN] = { 191 "Internal loopback (offline)", 192 "Interrupt (online)\t", 193 "Memory (online)\t\t", 194 "Register (online)\t", 195 "Clock (online)\t\t", 196 "Nvram (online)\t\t", 197 }; 198 199 /* Forced speed capabilities maps */ 200 201 struct qede_forced_speed_map { 202 u32 speed; 203 __ETHTOOL_DECLARE_LINK_MODE_MASK(caps); 204 205 const u32 *cap_arr; 206 u32 arr_size; 207 }; 208 209 #define QEDE_FORCED_SPEED_MAP(value) \ 210 { \ 211 .speed = SPEED_##value, \ 212 .cap_arr = qede_forced_speed_##value, \ 213 .arr_size = ARRAY_SIZE(qede_forced_speed_##value), \ 214 } 215 216 static const u32 qede_forced_speed_1000[] __initconst = { 217 ETHTOOL_LINK_MODE_1000baseT_Full_BIT, 218 ETHTOOL_LINK_MODE_1000baseKX_Full_BIT, 219 ETHTOOL_LINK_MODE_1000baseX_Full_BIT, 220 }; 221 222 static const u32 qede_forced_speed_10000[] __initconst = { 223 ETHTOOL_LINK_MODE_10000baseT_Full_BIT, 224 ETHTOOL_LINK_MODE_10000baseKR_Full_BIT, 225 ETHTOOL_LINK_MODE_10000baseKX4_Full_BIT, 226 ETHTOOL_LINK_MODE_10000baseR_FEC_BIT, 227 ETHTOOL_LINK_MODE_10000baseCR_Full_BIT, 228 ETHTOOL_LINK_MODE_10000baseSR_Full_BIT, 229 ETHTOOL_LINK_MODE_10000baseLR_Full_BIT, 230 ETHTOOL_LINK_MODE_10000baseLRM_Full_BIT, 231 }; 232 233 static const u32 qede_forced_speed_20000[] __initconst = { 234 ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT, 235 }; 236 237 static const u32 qede_forced_speed_25000[] __initconst = { 238 ETHTOOL_LINK_MODE_25000baseKR_Full_BIT, 239 ETHTOOL_LINK_MODE_25000baseCR_Full_BIT, 240 ETHTOOL_LINK_MODE_25000baseSR_Full_BIT, 241 }; 242 243 static const u32 qede_forced_speed_40000[] __initconst = { 244 ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT, 245 ETHTOOL_LINK_MODE_40000baseKR4_Full_BIT, 246 ETHTOOL_LINK_MODE_40000baseCR4_Full_BIT, 247 ETHTOOL_LINK_MODE_40000baseSR4_Full_BIT, 248 }; 249 250 static const u32 qede_forced_speed_50000[] __initconst = { 251 ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT, 252 ETHTOOL_LINK_MODE_50000baseCR2_Full_BIT, 253 ETHTOOL_LINK_MODE_50000baseSR2_Full_BIT, 254 }; 255 256 static const u32 qede_forced_speed_100000[] __initconst = { 257 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT, 258 ETHTOOL_LINK_MODE_100000baseSR4_Full_BIT, 259 ETHTOOL_LINK_MODE_100000baseCR4_Full_BIT, 260 ETHTOOL_LINK_MODE_100000baseLR4_ER4_Full_BIT, 261 }; 262 263 static struct qede_forced_speed_map qede_forced_speed_maps[] __ro_after_init = { 264 QEDE_FORCED_SPEED_MAP(1000), 265 QEDE_FORCED_SPEED_MAP(10000), 266 QEDE_FORCED_SPEED_MAP(20000), 267 QEDE_FORCED_SPEED_MAP(25000), 268 QEDE_FORCED_SPEED_MAP(40000), 269 QEDE_FORCED_SPEED_MAP(50000), 270 QEDE_FORCED_SPEED_MAP(100000), 271 }; 272 273 void __init qede_forced_speed_maps_init(void) 274 { 275 struct qede_forced_speed_map *map; 276 u32 i; 277 278 for (i = 0; i < ARRAY_SIZE(qede_forced_speed_maps); i++) { 279 map = qede_forced_speed_maps + i; 280 281 linkmode_set_bit_array(map->cap_arr, map->arr_size, map->caps); 282 map->cap_arr = NULL; 283 map->arr_size = 0; 284 } 285 } 286 287 /* Ethtool callbacks */ 288 289 static void qede_get_strings_stats_txq(struct qede_dev *edev, 290 struct qede_tx_queue *txq, u8 **buf) 291 { 292 int i; 293 294 for (i = 0; i < QEDE_NUM_TQSTATS; i++) { 295 if (txq->is_xdp) 296 sprintf(*buf, "%d [XDP]: %s", 297 QEDE_TXQ_XDP_TO_IDX(edev, txq), 298 qede_tqstats_arr[i].string); 299 else 300 sprintf(*buf, "%d_%d: %s", txq->index, txq->cos, 301 qede_tqstats_arr[i].string); 302 *buf += ETH_GSTRING_LEN; 303 } 304 } 305 306 static void qede_get_strings_stats_rxq(struct qede_dev *edev, 307 struct qede_rx_queue *rxq, u8 **buf) 308 { 309 int i; 310 311 for (i = 0; i < QEDE_NUM_RQSTATS; i++) { 312 sprintf(*buf, "%d: %s", rxq->rxq_id, 313 qede_rqstats_arr[i].string); 314 *buf += ETH_GSTRING_LEN; 315 } 316 } 317 318 static bool qede_is_irrelevant_stat(struct qede_dev *edev, int stat_index) 319 { 320 return (IS_VF(edev) && QEDE_STAT_IS_PF_ONLY(stat_index)) || 321 (QEDE_IS_BB(edev) && QEDE_STAT_IS_AH_ONLY(stat_index)) || 322 (QEDE_IS_AH(edev) && QEDE_STAT_IS_BB_ONLY(stat_index)); 323 } 324 325 static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf) 326 { 327 struct qede_fastpath *fp; 328 int i; 329 330 /* Account for queue statistics */ 331 for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { 332 fp = &edev->fp_array[i]; 333 334 if (fp->type & QEDE_FASTPATH_RX) 335 qede_get_strings_stats_rxq(edev, fp->rxq, &buf); 336 337 if (fp->type & QEDE_FASTPATH_XDP) 338 qede_get_strings_stats_txq(edev, fp->xdp_tx, &buf); 339 340 if (fp->type & QEDE_FASTPATH_TX) { 341 int cos; 342 343 for_each_cos_in_txq(edev, cos) 344 qede_get_strings_stats_txq(edev, 345 &fp->txq[cos], &buf); 346 } 347 } 348 349 /* Account for non-queue statistics */ 350 for (i = 0; i < QEDE_NUM_STATS; i++) { 351 if (qede_is_irrelevant_stat(edev, i)) 352 continue; 353 strcpy(buf, qede_stats_arr[i].string); 354 buf += ETH_GSTRING_LEN; 355 } 356 } 357 358 static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 359 { 360 struct qede_dev *edev = netdev_priv(dev); 361 362 switch (stringset) { 363 case ETH_SS_STATS: 364 qede_get_strings_stats(edev, buf); 365 break; 366 case ETH_SS_PRIV_FLAGS: 367 memcpy(buf, qede_private_arr, 368 ETH_GSTRING_LEN * QEDE_PRI_FLAG_LEN); 369 break; 370 case ETH_SS_TEST: 371 memcpy(buf, qede_tests_str_arr, 372 ETH_GSTRING_LEN * QEDE_ETHTOOL_TEST_MAX); 373 break; 374 default: 375 DP_VERBOSE(edev, QED_MSG_DEBUG, 376 "Unsupported stringset 0x%08x\n", stringset); 377 } 378 } 379 380 static void qede_get_ethtool_stats_txq(struct qede_tx_queue *txq, u64 **buf) 381 { 382 int i; 383 384 for (i = 0; i < QEDE_NUM_TQSTATS; i++) { 385 **buf = *((u64 *)(((void *)txq) + qede_tqstats_arr[i].offset)); 386 (*buf)++; 387 } 388 } 389 390 static void qede_get_ethtool_stats_rxq(struct qede_rx_queue *rxq, u64 **buf) 391 { 392 int i; 393 394 for (i = 0; i < QEDE_NUM_RQSTATS; i++) { 395 **buf = *((u64 *)(((void *)rxq) + qede_rqstats_arr[i].offset)); 396 (*buf)++; 397 } 398 } 399 400 static void qede_get_ethtool_stats(struct net_device *dev, 401 struct ethtool_stats *stats, u64 *buf) 402 { 403 struct qede_dev *edev = netdev_priv(dev); 404 struct qede_fastpath *fp; 405 int i; 406 407 qede_fill_by_demand_stats(edev); 408 409 /* Need to protect the access to the fastpath array */ 410 __qede_lock(edev); 411 412 for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { 413 fp = &edev->fp_array[i]; 414 415 if (fp->type & QEDE_FASTPATH_RX) 416 qede_get_ethtool_stats_rxq(fp->rxq, &buf); 417 418 if (fp->type & QEDE_FASTPATH_XDP) 419 qede_get_ethtool_stats_txq(fp->xdp_tx, &buf); 420 421 if (fp->type & QEDE_FASTPATH_TX) { 422 int cos; 423 424 for_each_cos_in_txq(edev, cos) 425 qede_get_ethtool_stats_txq(&fp->txq[cos], &buf); 426 } 427 } 428 429 for (i = 0; i < QEDE_NUM_STATS; i++) { 430 if (qede_is_irrelevant_stat(edev, i)) 431 continue; 432 *buf = *((u64 *)(((void *)&edev->stats) + 433 qede_stats_arr[i].offset)); 434 435 buf++; 436 } 437 438 __qede_unlock(edev); 439 } 440 441 static int qede_get_sset_count(struct net_device *dev, int stringset) 442 { 443 struct qede_dev *edev = netdev_priv(dev); 444 int num_stats = QEDE_NUM_STATS, i; 445 446 switch (stringset) { 447 case ETH_SS_STATS: 448 for (i = 0; i < QEDE_NUM_STATS; i++) 449 if (qede_is_irrelevant_stat(edev, i)) 450 num_stats--; 451 452 /* Account for the Regular Tx statistics */ 453 num_stats += QEDE_TSS_COUNT(edev) * QEDE_NUM_TQSTATS * 454 edev->dev_info.num_tc; 455 456 /* Account for the Regular Rx statistics */ 457 num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_RQSTATS; 458 459 /* Account for XDP statistics [if needed] */ 460 if (edev->xdp_prog) 461 num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_TQSTATS; 462 return num_stats; 463 464 case ETH_SS_PRIV_FLAGS: 465 return QEDE_PRI_FLAG_LEN; 466 case ETH_SS_TEST: 467 if (!IS_VF(edev)) 468 return QEDE_ETHTOOL_TEST_MAX; 469 else 470 return 0; 471 default: 472 DP_VERBOSE(edev, QED_MSG_DEBUG, 473 "Unsupported stringset 0x%08x\n", stringset); 474 return -EINVAL; 475 } 476 } 477 478 static u32 qede_get_priv_flags(struct net_device *dev) 479 { 480 struct qede_dev *edev = netdev_priv(dev); 481 u32 flags = 0; 482 483 if (edev->dev_info.common.num_hwfns > 1) 484 flags |= BIT(QEDE_PRI_FLAG_CMT); 485 486 if (edev->dev_info.common.smart_an) 487 flags |= BIT(QEDE_PRI_FLAG_SMART_AN_SUPPORT); 488 489 if (edev->err_flags & BIT(QEDE_ERR_IS_RECOVERABLE)) 490 flags |= BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR); 491 492 return flags; 493 } 494 495 static int qede_set_priv_flags(struct net_device *dev, u32 flags) 496 { 497 struct qede_dev *edev = netdev_priv(dev); 498 u32 cflags = qede_get_priv_flags(dev); 499 u32 dflags = flags ^ cflags; 500 501 /* can only change RECOVER_ON_ERROR flag */ 502 if (dflags & ~BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR)) 503 return -EINVAL; 504 505 if (flags & BIT(QEDE_PRI_FLAG_RECOVER_ON_ERROR)) 506 set_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags); 507 else 508 clear_bit(QEDE_ERR_IS_RECOVERABLE, &edev->err_flags); 509 510 return 0; 511 } 512 513 static int qede_get_link_ksettings(struct net_device *dev, 514 struct ethtool_link_ksettings *cmd) 515 { 516 typeof(cmd->link_modes) *link_modes = &cmd->link_modes; 517 struct ethtool_link_settings *base = &cmd->base; 518 struct qede_dev *edev = netdev_priv(dev); 519 struct qed_link_output current_link; 520 521 __qede_lock(edev); 522 523 memset(¤t_link, 0, sizeof(current_link)); 524 edev->ops->common->get_link(edev->cdev, ¤t_link); 525 526 linkmode_copy(link_modes->supported, current_link.supported_caps); 527 linkmode_copy(link_modes->advertising, current_link.advertised_caps); 528 linkmode_copy(link_modes->lp_advertising, current_link.lp_caps); 529 530 if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) { 531 base->speed = current_link.speed; 532 base->duplex = current_link.duplex; 533 } else { 534 base->speed = SPEED_UNKNOWN; 535 base->duplex = DUPLEX_UNKNOWN; 536 } 537 538 __qede_unlock(edev); 539 540 base->port = current_link.port; 541 base->autoneg = (current_link.autoneg) ? AUTONEG_ENABLE : 542 AUTONEG_DISABLE; 543 544 return 0; 545 } 546 547 static int qede_set_link_ksettings(struct net_device *dev, 548 const struct ethtool_link_ksettings *cmd) 549 { 550 const struct ethtool_link_settings *base = &cmd->base; 551 struct qede_dev *edev = netdev_priv(dev); 552 const struct qede_forced_speed_map *map; 553 struct qed_link_output current_link; 554 struct qed_link_params params; 555 u32 i; 556 557 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 558 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 559 return -EOPNOTSUPP; 560 } 561 memset(¤t_link, 0, sizeof(current_link)); 562 memset(¶ms, 0, sizeof(params)); 563 edev->ops->common->get_link(edev->cdev, ¤t_link); 564 565 params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS; 566 params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG; 567 568 if (base->autoneg == AUTONEG_ENABLE) { 569 if (!phylink_test(current_link.supported_caps, Autoneg)) { 570 DP_INFO(edev, "Auto negotiation is not supported\n"); 571 return -EOPNOTSUPP; 572 } 573 574 params.autoneg = true; 575 params.forced_speed = 0; 576 577 linkmode_copy(params.adv_speeds, cmd->link_modes.advertising); 578 } else { /* forced speed */ 579 params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED; 580 params.autoneg = false; 581 params.forced_speed = base->speed; 582 583 for (i = 0; i < ARRAY_SIZE(qede_forced_speed_maps); i++) { 584 map = qede_forced_speed_maps + i; 585 586 if (base->speed != map->speed || 587 !linkmode_intersects(current_link.supported_caps, 588 map->caps)) 589 continue; 590 591 linkmode_and(params.adv_speeds, 592 current_link.supported_caps, map->caps); 593 goto set_link; 594 } 595 596 DP_INFO(edev, "Unsupported speed %u\n", base->speed); 597 return -EINVAL; 598 } 599 600 set_link: 601 params.link_up = true; 602 edev->ops->common->set_link(edev->cdev, ¶ms); 603 604 return 0; 605 } 606 607 static void qede_get_drvinfo(struct net_device *ndev, 608 struct ethtool_drvinfo *info) 609 { 610 char mfw[ETHTOOL_FWVERS_LEN], storm[ETHTOOL_FWVERS_LEN]; 611 struct qede_dev *edev = netdev_priv(ndev); 612 char mbi[ETHTOOL_FWVERS_LEN]; 613 614 strlcpy(info->driver, "qede", sizeof(info->driver)); 615 616 snprintf(storm, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d", 617 edev->dev_info.common.fw_major, 618 edev->dev_info.common.fw_minor, 619 edev->dev_info.common.fw_rev, 620 edev->dev_info.common.fw_eng); 621 622 snprintf(mfw, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d", 623 (edev->dev_info.common.mfw_rev >> 24) & 0xFF, 624 (edev->dev_info.common.mfw_rev >> 16) & 0xFF, 625 (edev->dev_info.common.mfw_rev >> 8) & 0xFF, 626 edev->dev_info.common.mfw_rev & 0xFF); 627 628 if ((strlen(storm) + strlen(DRV_MODULE_VERSION) + strlen("[storm] ")) < 629 sizeof(info->version)) 630 snprintf(info->version, sizeof(info->version), 631 "%s [storm %s]", DRV_MODULE_VERSION, storm); 632 else 633 snprintf(info->version, sizeof(info->version), 634 "%s %s", DRV_MODULE_VERSION, storm); 635 636 if (edev->dev_info.common.mbi_version) { 637 snprintf(mbi, ETHTOOL_FWVERS_LEN, "%d.%d.%d", 638 (edev->dev_info.common.mbi_version & 639 QED_MBI_VERSION_2_MASK) >> QED_MBI_VERSION_2_OFFSET, 640 (edev->dev_info.common.mbi_version & 641 QED_MBI_VERSION_1_MASK) >> QED_MBI_VERSION_1_OFFSET, 642 (edev->dev_info.common.mbi_version & 643 QED_MBI_VERSION_0_MASK) >> QED_MBI_VERSION_0_OFFSET); 644 snprintf(info->fw_version, sizeof(info->fw_version), 645 "mbi %s [mfw %s]", mbi, mfw); 646 } else { 647 snprintf(info->fw_version, sizeof(info->fw_version), 648 "mfw %s", mfw); 649 } 650 651 strlcpy(info->bus_info, pci_name(edev->pdev), sizeof(info->bus_info)); 652 } 653 654 static void qede_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 655 { 656 struct qede_dev *edev = netdev_priv(ndev); 657 658 if (edev->dev_info.common.wol_support) { 659 wol->supported = WAKE_MAGIC; 660 wol->wolopts = edev->wol_enabled ? WAKE_MAGIC : 0; 661 } 662 } 663 664 static int qede_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 665 { 666 struct qede_dev *edev = netdev_priv(ndev); 667 bool wol_requested; 668 int rc; 669 670 if (wol->wolopts & ~WAKE_MAGIC) { 671 DP_INFO(edev, 672 "Can't support WoL options other than magic-packet\n"); 673 return -EINVAL; 674 } 675 676 wol_requested = !!(wol->wolopts & WAKE_MAGIC); 677 if (wol_requested == edev->wol_enabled) 678 return 0; 679 680 /* Need to actually change configuration */ 681 if (!edev->dev_info.common.wol_support) { 682 DP_INFO(edev, "Device doesn't support WoL\n"); 683 return -EINVAL; 684 } 685 686 rc = edev->ops->common->update_wol(edev->cdev, wol_requested); 687 if (!rc) 688 edev->wol_enabled = wol_requested; 689 690 return rc; 691 } 692 693 static u32 qede_get_msglevel(struct net_device *ndev) 694 { 695 struct qede_dev *edev = netdev_priv(ndev); 696 697 return ((u32)edev->dp_level << QED_LOG_LEVEL_SHIFT) | edev->dp_module; 698 } 699 700 static void qede_set_msglevel(struct net_device *ndev, u32 level) 701 { 702 struct qede_dev *edev = netdev_priv(ndev); 703 u32 dp_module = 0; 704 u8 dp_level = 0; 705 706 qede_config_debug(level, &dp_module, &dp_level); 707 708 edev->dp_level = dp_level; 709 edev->dp_module = dp_module; 710 edev->ops->common->update_msglvl(edev->cdev, 711 dp_module, dp_level); 712 } 713 714 static int qede_nway_reset(struct net_device *dev) 715 { 716 struct qede_dev *edev = netdev_priv(dev); 717 struct qed_link_output current_link; 718 struct qed_link_params link_params; 719 720 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 721 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 722 return -EOPNOTSUPP; 723 } 724 725 if (!netif_running(dev)) 726 return 0; 727 728 memset(¤t_link, 0, sizeof(current_link)); 729 edev->ops->common->get_link(edev->cdev, ¤t_link); 730 if (!current_link.link_up) 731 return 0; 732 733 /* Toggle the link */ 734 memset(&link_params, 0, sizeof(link_params)); 735 link_params.link_up = false; 736 edev->ops->common->set_link(edev->cdev, &link_params); 737 link_params.link_up = true; 738 edev->ops->common->set_link(edev->cdev, &link_params); 739 740 return 0; 741 } 742 743 static u32 qede_get_link(struct net_device *dev) 744 { 745 struct qede_dev *edev = netdev_priv(dev); 746 struct qed_link_output current_link; 747 748 memset(¤t_link, 0, sizeof(current_link)); 749 edev->ops->common->get_link(edev->cdev, ¤t_link); 750 751 return current_link.link_up; 752 } 753 754 static int qede_flash_device(struct net_device *dev, 755 struct ethtool_flash *flash) 756 { 757 struct qede_dev *edev = netdev_priv(dev); 758 759 return edev->ops->common->nvm_flash(edev->cdev, flash->data); 760 } 761 762 static int qede_get_coalesce(struct net_device *dev, 763 struct ethtool_coalesce *coal) 764 { 765 void *rx_handle = NULL, *tx_handle = NULL; 766 struct qede_dev *edev = netdev_priv(dev); 767 u16 rx_coal, tx_coal, i, rc = 0; 768 struct qede_fastpath *fp; 769 770 rx_coal = QED_DEFAULT_RX_USECS; 771 tx_coal = QED_DEFAULT_TX_USECS; 772 773 memset(coal, 0, sizeof(struct ethtool_coalesce)); 774 775 __qede_lock(edev); 776 if (edev->state == QEDE_STATE_OPEN) { 777 for_each_queue(i) { 778 fp = &edev->fp_array[i]; 779 780 if (fp->type & QEDE_FASTPATH_RX) { 781 rx_handle = fp->rxq->handle; 782 break; 783 } 784 } 785 786 rc = edev->ops->get_coalesce(edev->cdev, &rx_coal, rx_handle); 787 if (rc) { 788 DP_INFO(edev, "Read Rx coalesce error\n"); 789 goto out; 790 } 791 792 for_each_queue(i) { 793 struct qede_tx_queue *txq; 794 795 fp = &edev->fp_array[i]; 796 797 /* All TX queues of given fastpath uses same 798 * coalescing value, so no need to iterate over 799 * all TCs, TC0 txq should suffice. 800 */ 801 if (fp->type & QEDE_FASTPATH_TX) { 802 txq = QEDE_FP_TC0_TXQ(fp); 803 tx_handle = txq->handle; 804 break; 805 } 806 } 807 808 rc = edev->ops->get_coalesce(edev->cdev, &tx_coal, tx_handle); 809 if (rc) 810 DP_INFO(edev, "Read Tx coalesce error\n"); 811 } 812 813 out: 814 __qede_unlock(edev); 815 816 coal->rx_coalesce_usecs = rx_coal; 817 coal->tx_coalesce_usecs = tx_coal; 818 819 return rc; 820 } 821 822 int qede_set_coalesce(struct net_device *dev, struct ethtool_coalesce *coal) 823 { 824 struct qede_dev *edev = netdev_priv(dev); 825 struct qede_fastpath *fp; 826 int i, rc = 0; 827 u16 rxc, txc; 828 829 if (!netif_running(dev)) { 830 DP_INFO(edev, "Interface is down\n"); 831 return -EINVAL; 832 } 833 834 if (coal->rx_coalesce_usecs > QED_COALESCE_MAX || 835 coal->tx_coalesce_usecs > QED_COALESCE_MAX) { 836 DP_INFO(edev, 837 "Can't support requested %s coalesce value [max supported value %d]\n", 838 coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" : 839 "tx", QED_COALESCE_MAX); 840 return -EINVAL; 841 } 842 843 rxc = (u16)coal->rx_coalesce_usecs; 844 txc = (u16)coal->tx_coalesce_usecs; 845 for_each_queue(i) { 846 fp = &edev->fp_array[i]; 847 848 if (edev->fp_array[i].type & QEDE_FASTPATH_RX) { 849 rc = edev->ops->common->set_coalesce(edev->cdev, 850 rxc, 0, 851 fp->rxq->handle); 852 if (rc) { 853 DP_INFO(edev, 854 "Set RX coalesce error, rc = %d\n", rc); 855 return rc; 856 } 857 edev->coal_entry[i].rxc = rxc; 858 edev->coal_entry[i].isvalid = true; 859 } 860 861 if (edev->fp_array[i].type & QEDE_FASTPATH_TX) { 862 struct qede_tx_queue *txq; 863 864 /* All TX queues of given fastpath uses same 865 * coalescing value, so no need to iterate over 866 * all TCs, TC0 txq should suffice. 867 */ 868 txq = QEDE_FP_TC0_TXQ(fp); 869 870 rc = edev->ops->common->set_coalesce(edev->cdev, 871 0, txc, 872 txq->handle); 873 if (rc) { 874 DP_INFO(edev, 875 "Set TX coalesce error, rc = %d\n", rc); 876 return rc; 877 } 878 edev->coal_entry[i].txc = txc; 879 edev->coal_entry[i].isvalid = true; 880 } 881 } 882 883 return rc; 884 } 885 886 static void qede_get_ringparam(struct net_device *dev, 887 struct ethtool_ringparam *ering) 888 { 889 struct qede_dev *edev = netdev_priv(dev); 890 891 ering->rx_max_pending = NUM_RX_BDS_MAX; 892 ering->rx_pending = edev->q_num_rx_buffers; 893 ering->tx_max_pending = NUM_TX_BDS_MAX; 894 ering->tx_pending = edev->q_num_tx_buffers; 895 } 896 897 static int qede_set_ringparam(struct net_device *dev, 898 struct ethtool_ringparam *ering) 899 { 900 struct qede_dev *edev = netdev_priv(dev); 901 902 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 903 "Set ring params command parameters: rx_pending = %d, tx_pending = %d\n", 904 ering->rx_pending, ering->tx_pending); 905 906 /* Validate legality of configuration */ 907 if (ering->rx_pending > NUM_RX_BDS_MAX || 908 ering->rx_pending < NUM_RX_BDS_MIN || 909 ering->tx_pending > NUM_TX_BDS_MAX || 910 ering->tx_pending < NUM_TX_BDS_MIN) { 911 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 912 "Can only support Rx Buffer size [0%08x,...,0x%08x] and Tx Buffer size [0x%08x,...,0x%08x]\n", 913 NUM_RX_BDS_MIN, NUM_RX_BDS_MAX, 914 NUM_TX_BDS_MIN, NUM_TX_BDS_MAX); 915 return -EINVAL; 916 } 917 918 /* Change ring size and re-load */ 919 edev->q_num_rx_buffers = ering->rx_pending; 920 edev->q_num_tx_buffers = ering->tx_pending; 921 922 qede_reload(edev, NULL, false); 923 924 return 0; 925 } 926 927 static void qede_get_pauseparam(struct net_device *dev, 928 struct ethtool_pauseparam *epause) 929 { 930 struct qede_dev *edev = netdev_priv(dev); 931 struct qed_link_output current_link; 932 933 memset(¤t_link, 0, sizeof(current_link)); 934 edev->ops->common->get_link(edev->cdev, ¤t_link); 935 936 if (current_link.pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE) 937 epause->autoneg = true; 938 if (current_link.pause_config & QED_LINK_PAUSE_RX_ENABLE) 939 epause->rx_pause = true; 940 if (current_link.pause_config & QED_LINK_PAUSE_TX_ENABLE) 941 epause->tx_pause = true; 942 943 DP_VERBOSE(edev, QED_MSG_DEBUG, 944 "ethtool_pauseparam: cmd %d autoneg %d rx_pause %d tx_pause %d\n", 945 epause->cmd, epause->autoneg, epause->rx_pause, 946 epause->tx_pause); 947 } 948 949 static int qede_set_pauseparam(struct net_device *dev, 950 struct ethtool_pauseparam *epause) 951 { 952 struct qede_dev *edev = netdev_priv(dev); 953 struct qed_link_params params; 954 struct qed_link_output current_link; 955 956 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 957 DP_INFO(edev, 958 "Pause settings are not allowed to be changed\n"); 959 return -EOPNOTSUPP; 960 } 961 962 memset(¤t_link, 0, sizeof(current_link)); 963 edev->ops->common->get_link(edev->cdev, ¤t_link); 964 965 memset(¶ms, 0, sizeof(params)); 966 params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG; 967 968 if (epause->autoneg) { 969 if (!phylink_test(current_link.supported_caps, Autoneg)) { 970 DP_INFO(edev, "autoneg not supported\n"); 971 return -EINVAL; 972 } 973 974 params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE; 975 } 976 977 if (epause->rx_pause) 978 params.pause_config |= QED_LINK_PAUSE_RX_ENABLE; 979 if (epause->tx_pause) 980 params.pause_config |= QED_LINK_PAUSE_TX_ENABLE; 981 982 params.link_up = true; 983 edev->ops->common->set_link(edev->cdev, ¶ms); 984 985 return 0; 986 } 987 988 static void qede_get_regs(struct net_device *ndev, 989 struct ethtool_regs *regs, void *buffer) 990 { 991 struct qede_dev *edev = netdev_priv(ndev); 992 993 regs->version = 0; 994 memset(buffer, 0, regs->len); 995 996 if (edev->ops && edev->ops->common) 997 edev->ops->common->dbg_all_data(edev->cdev, buffer); 998 } 999 1000 static int qede_get_regs_len(struct net_device *ndev) 1001 { 1002 struct qede_dev *edev = netdev_priv(ndev); 1003 1004 if (edev->ops && edev->ops->common) 1005 return edev->ops->common->dbg_all_data_size(edev->cdev); 1006 else 1007 return -EINVAL; 1008 } 1009 1010 static void qede_update_mtu(struct qede_dev *edev, 1011 struct qede_reload_args *args) 1012 { 1013 edev->ndev->mtu = args->u.mtu; 1014 } 1015 1016 /* Netdevice NDOs */ 1017 int qede_change_mtu(struct net_device *ndev, int new_mtu) 1018 { 1019 struct qede_dev *edev = netdev_priv(ndev); 1020 struct qede_reload_args args; 1021 1022 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1023 "Configuring MTU size of %d\n", new_mtu); 1024 1025 if (new_mtu > PAGE_SIZE) 1026 ndev->features &= ~NETIF_F_GRO_HW; 1027 1028 /* Set the mtu field and re-start the interface if needed */ 1029 args.u.mtu = new_mtu; 1030 args.func = &qede_update_mtu; 1031 qede_reload(edev, &args, false); 1032 #if IS_ENABLED(CONFIG_QED_RDMA) 1033 qede_rdma_event_change_mtu(edev); 1034 #endif 1035 edev->ops->common->update_mtu(edev->cdev, new_mtu); 1036 1037 return 0; 1038 } 1039 1040 static void qede_get_channels(struct net_device *dev, 1041 struct ethtool_channels *channels) 1042 { 1043 struct qede_dev *edev = netdev_priv(dev); 1044 1045 channels->max_combined = QEDE_MAX_RSS_CNT(edev); 1046 channels->max_rx = QEDE_MAX_RSS_CNT(edev); 1047 channels->max_tx = QEDE_MAX_RSS_CNT(edev); 1048 channels->combined_count = QEDE_QUEUE_CNT(edev) - edev->fp_num_tx - 1049 edev->fp_num_rx; 1050 channels->tx_count = edev->fp_num_tx; 1051 channels->rx_count = edev->fp_num_rx; 1052 } 1053 1054 static int qede_set_channels(struct net_device *dev, 1055 struct ethtool_channels *channels) 1056 { 1057 struct qede_dev *edev = netdev_priv(dev); 1058 u32 count; 1059 1060 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1061 "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n", 1062 channels->rx_count, channels->tx_count, 1063 channels->other_count, channels->combined_count); 1064 1065 count = channels->rx_count + channels->tx_count + 1066 channels->combined_count; 1067 1068 /* We don't support `other' channels */ 1069 if (channels->other_count) { 1070 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1071 "command parameters not supported\n"); 1072 return -EINVAL; 1073 } 1074 1075 if (!(channels->combined_count || (channels->rx_count && 1076 channels->tx_count))) { 1077 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1078 "need to request at least one transmit and one receive channel\n"); 1079 return -EINVAL; 1080 } 1081 1082 if (count > QEDE_MAX_RSS_CNT(edev)) { 1083 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1084 "requested channels = %d max supported channels = %d\n", 1085 count, QEDE_MAX_RSS_CNT(edev)); 1086 return -EINVAL; 1087 } 1088 1089 /* Check if there was a change in the active parameters */ 1090 if ((count == QEDE_QUEUE_CNT(edev)) && 1091 (channels->tx_count == edev->fp_num_tx) && 1092 (channels->rx_count == edev->fp_num_rx)) { 1093 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1094 "No change in active parameters\n"); 1095 return 0; 1096 } 1097 1098 /* We need the number of queues to be divisible between the hwfns */ 1099 if ((count % edev->dev_info.common.num_hwfns) || 1100 (channels->tx_count % edev->dev_info.common.num_hwfns) || 1101 (channels->rx_count % edev->dev_info.common.num_hwfns)) { 1102 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1103 "Number of channels must be divisible by %04x\n", 1104 edev->dev_info.common.num_hwfns); 1105 return -EINVAL; 1106 } 1107 1108 /* Set number of queues and reload if necessary */ 1109 edev->req_queues = count; 1110 edev->req_num_tx = channels->tx_count; 1111 edev->req_num_rx = channels->rx_count; 1112 /* Reset the indirection table if rx queue count is updated */ 1113 if ((edev->req_queues - edev->req_num_tx) != QEDE_RSS_COUNT(edev)) { 1114 edev->rss_params_inited &= ~QEDE_RSS_INDIR_INITED; 1115 memset(edev->rss_ind_table, 0, sizeof(edev->rss_ind_table)); 1116 } 1117 1118 qede_reload(edev, NULL, false); 1119 1120 return 0; 1121 } 1122 1123 static int qede_get_ts_info(struct net_device *dev, 1124 struct ethtool_ts_info *info) 1125 { 1126 struct qede_dev *edev = netdev_priv(dev); 1127 1128 return qede_ptp_get_ts_info(edev, info); 1129 } 1130 1131 static int qede_set_phys_id(struct net_device *dev, 1132 enum ethtool_phys_id_state state) 1133 { 1134 struct qede_dev *edev = netdev_priv(dev); 1135 u8 led_state = 0; 1136 1137 switch (state) { 1138 case ETHTOOL_ID_ACTIVE: 1139 return 1; /* cycle on/off once per second */ 1140 1141 case ETHTOOL_ID_ON: 1142 led_state = QED_LED_MODE_ON; 1143 break; 1144 1145 case ETHTOOL_ID_OFF: 1146 led_state = QED_LED_MODE_OFF; 1147 break; 1148 1149 case ETHTOOL_ID_INACTIVE: 1150 led_state = QED_LED_MODE_RESTORE; 1151 break; 1152 } 1153 1154 edev->ops->common->set_led(edev->cdev, led_state); 1155 1156 return 0; 1157 } 1158 1159 static int qede_get_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info) 1160 { 1161 info->data = RXH_IP_SRC | RXH_IP_DST; 1162 1163 switch (info->flow_type) { 1164 case TCP_V4_FLOW: 1165 case TCP_V6_FLOW: 1166 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1167 break; 1168 case UDP_V4_FLOW: 1169 if (edev->rss_caps & QED_RSS_IPV4_UDP) 1170 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1171 break; 1172 case UDP_V6_FLOW: 1173 if (edev->rss_caps & QED_RSS_IPV6_UDP) 1174 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1175 break; 1176 case IPV4_FLOW: 1177 case IPV6_FLOW: 1178 break; 1179 default: 1180 info->data = 0; 1181 break; 1182 } 1183 1184 return 0; 1185 } 1186 1187 static int qede_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 1188 u32 *rule_locs) 1189 { 1190 struct qede_dev *edev = netdev_priv(dev); 1191 int rc = 0; 1192 1193 switch (info->cmd) { 1194 case ETHTOOL_GRXRINGS: 1195 info->data = QEDE_RSS_COUNT(edev); 1196 break; 1197 case ETHTOOL_GRXFH: 1198 rc = qede_get_rss_flags(edev, info); 1199 break; 1200 case ETHTOOL_GRXCLSRLCNT: 1201 info->rule_cnt = qede_get_arfs_filter_count(edev); 1202 info->data = QEDE_RFS_MAX_FLTR; 1203 break; 1204 case ETHTOOL_GRXCLSRULE: 1205 rc = qede_get_cls_rule_entry(edev, info); 1206 break; 1207 case ETHTOOL_GRXCLSRLALL: 1208 rc = qede_get_cls_rule_all(edev, info, rule_locs); 1209 break; 1210 default: 1211 DP_ERR(edev, "Command parameters not supported\n"); 1212 rc = -EOPNOTSUPP; 1213 } 1214 1215 return rc; 1216 } 1217 1218 static int qede_set_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info) 1219 { 1220 struct qed_update_vport_params *vport_update_params; 1221 u8 set_caps = 0, clr_caps = 0; 1222 int rc = 0; 1223 1224 DP_VERBOSE(edev, QED_MSG_DEBUG, 1225 "Set rss flags command parameters: flow type = %d, data = %llu\n", 1226 info->flow_type, info->data); 1227 1228 switch (info->flow_type) { 1229 case TCP_V4_FLOW: 1230 case TCP_V6_FLOW: 1231 /* For TCP only 4-tuple hash is supported */ 1232 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST | 1233 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1234 DP_INFO(edev, "Command parameters not supported\n"); 1235 return -EINVAL; 1236 } 1237 return 0; 1238 case UDP_V4_FLOW: 1239 /* For UDP either 2-tuple hash or 4-tuple hash is supported */ 1240 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 1241 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1242 set_caps = QED_RSS_IPV4_UDP; 1243 DP_VERBOSE(edev, QED_MSG_DEBUG, 1244 "UDP 4-tuple enabled\n"); 1245 } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) { 1246 clr_caps = QED_RSS_IPV4_UDP; 1247 DP_VERBOSE(edev, QED_MSG_DEBUG, 1248 "UDP 4-tuple disabled\n"); 1249 } else { 1250 return -EINVAL; 1251 } 1252 break; 1253 case UDP_V6_FLOW: 1254 /* For UDP either 2-tuple hash or 4-tuple hash is supported */ 1255 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 1256 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1257 set_caps = QED_RSS_IPV6_UDP; 1258 DP_VERBOSE(edev, QED_MSG_DEBUG, 1259 "UDP 4-tuple enabled\n"); 1260 } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) { 1261 clr_caps = QED_RSS_IPV6_UDP; 1262 DP_VERBOSE(edev, QED_MSG_DEBUG, 1263 "UDP 4-tuple disabled\n"); 1264 } else { 1265 return -EINVAL; 1266 } 1267 break; 1268 case IPV4_FLOW: 1269 case IPV6_FLOW: 1270 /* For IP only 2-tuple hash is supported */ 1271 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) { 1272 DP_INFO(edev, "Command parameters not supported\n"); 1273 return -EINVAL; 1274 } 1275 return 0; 1276 case SCTP_V4_FLOW: 1277 case AH_ESP_V4_FLOW: 1278 case AH_V4_FLOW: 1279 case ESP_V4_FLOW: 1280 case SCTP_V6_FLOW: 1281 case AH_ESP_V6_FLOW: 1282 case AH_V6_FLOW: 1283 case ESP_V6_FLOW: 1284 case IP_USER_FLOW: 1285 case ETHER_FLOW: 1286 /* RSS is not supported for these protocols */ 1287 if (info->data) { 1288 DP_INFO(edev, "Command parameters not supported\n"); 1289 return -EINVAL; 1290 } 1291 return 0; 1292 default: 1293 return -EINVAL; 1294 } 1295 1296 /* No action is needed if there is no change in the rss capability */ 1297 if (edev->rss_caps == ((edev->rss_caps & ~clr_caps) | set_caps)) 1298 return 0; 1299 1300 /* Update internal configuration */ 1301 edev->rss_caps = ((edev->rss_caps & ~clr_caps) | set_caps); 1302 edev->rss_params_inited |= QEDE_RSS_CAPS_INITED; 1303 1304 /* Re-configure if possible */ 1305 __qede_lock(edev); 1306 if (edev->state == QEDE_STATE_OPEN) { 1307 vport_update_params = vzalloc(sizeof(*vport_update_params)); 1308 if (!vport_update_params) { 1309 __qede_unlock(edev); 1310 return -ENOMEM; 1311 } 1312 qede_fill_rss_params(edev, &vport_update_params->rss_params, 1313 &vport_update_params->update_rss_flg); 1314 rc = edev->ops->vport_update(edev->cdev, vport_update_params); 1315 vfree(vport_update_params); 1316 } 1317 __qede_unlock(edev); 1318 1319 return rc; 1320 } 1321 1322 static int qede_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) 1323 { 1324 struct qede_dev *edev = netdev_priv(dev); 1325 int rc; 1326 1327 switch (info->cmd) { 1328 case ETHTOOL_SRXFH: 1329 rc = qede_set_rss_flags(edev, info); 1330 break; 1331 case ETHTOOL_SRXCLSRLINS: 1332 rc = qede_add_cls_rule(edev, info); 1333 break; 1334 case ETHTOOL_SRXCLSRLDEL: 1335 rc = qede_delete_flow_filter(edev, info->fs.location); 1336 break; 1337 default: 1338 DP_INFO(edev, "Command parameters not supported\n"); 1339 rc = -EOPNOTSUPP; 1340 } 1341 1342 return rc; 1343 } 1344 1345 static u32 qede_get_rxfh_indir_size(struct net_device *dev) 1346 { 1347 return QED_RSS_IND_TABLE_SIZE; 1348 } 1349 1350 static u32 qede_get_rxfh_key_size(struct net_device *dev) 1351 { 1352 struct qede_dev *edev = netdev_priv(dev); 1353 1354 return sizeof(edev->rss_key); 1355 } 1356 1357 static int qede_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc) 1358 { 1359 struct qede_dev *edev = netdev_priv(dev); 1360 int i; 1361 1362 if (hfunc) 1363 *hfunc = ETH_RSS_HASH_TOP; 1364 1365 if (!indir) 1366 return 0; 1367 1368 for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) 1369 indir[i] = edev->rss_ind_table[i]; 1370 1371 if (key) 1372 memcpy(key, edev->rss_key, qede_get_rxfh_key_size(dev)); 1373 1374 return 0; 1375 } 1376 1377 static int qede_set_rxfh(struct net_device *dev, const u32 *indir, 1378 const u8 *key, const u8 hfunc) 1379 { 1380 struct qed_update_vport_params *vport_update_params; 1381 struct qede_dev *edev = netdev_priv(dev); 1382 int i, rc = 0; 1383 1384 if (edev->dev_info.common.num_hwfns > 1) { 1385 DP_INFO(edev, 1386 "RSS configuration is not supported for 100G devices\n"); 1387 return -EOPNOTSUPP; 1388 } 1389 1390 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1391 return -EOPNOTSUPP; 1392 1393 if (!indir && !key) 1394 return 0; 1395 1396 if (indir) { 1397 for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) 1398 edev->rss_ind_table[i] = indir[i]; 1399 edev->rss_params_inited |= QEDE_RSS_INDIR_INITED; 1400 } 1401 1402 if (key) { 1403 memcpy(&edev->rss_key, key, qede_get_rxfh_key_size(dev)); 1404 edev->rss_params_inited |= QEDE_RSS_KEY_INITED; 1405 } 1406 1407 __qede_lock(edev); 1408 if (edev->state == QEDE_STATE_OPEN) { 1409 vport_update_params = vzalloc(sizeof(*vport_update_params)); 1410 if (!vport_update_params) { 1411 __qede_unlock(edev); 1412 return -ENOMEM; 1413 } 1414 qede_fill_rss_params(edev, &vport_update_params->rss_params, 1415 &vport_update_params->update_rss_flg); 1416 rc = edev->ops->vport_update(edev->cdev, vport_update_params); 1417 vfree(vport_update_params); 1418 } 1419 __qede_unlock(edev); 1420 1421 return rc; 1422 } 1423 1424 /* This function enables the interrupt generation and the NAPI on the device */ 1425 static void qede_netif_start(struct qede_dev *edev) 1426 { 1427 int i; 1428 1429 if (!netif_running(edev->ndev)) 1430 return; 1431 1432 for_each_queue(i) { 1433 /* Update and reenable interrupts */ 1434 qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_ENABLE, 1); 1435 napi_enable(&edev->fp_array[i].napi); 1436 } 1437 } 1438 1439 /* This function disables the NAPI and the interrupt generation on the device */ 1440 static void qede_netif_stop(struct qede_dev *edev) 1441 { 1442 int i; 1443 1444 for_each_queue(i) { 1445 napi_disable(&edev->fp_array[i].napi); 1446 /* Disable interrupts */ 1447 qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_DISABLE, 0); 1448 } 1449 } 1450 1451 static int qede_selftest_transmit_traffic(struct qede_dev *edev, 1452 struct sk_buff *skb) 1453 { 1454 struct qede_tx_queue *txq = NULL; 1455 struct eth_tx_1st_bd *first_bd; 1456 dma_addr_t mapping; 1457 int i, idx; 1458 u16 val; 1459 1460 for_each_queue(i) { 1461 struct qede_fastpath *fp = &edev->fp_array[i]; 1462 1463 if (fp->type & QEDE_FASTPATH_TX) { 1464 txq = QEDE_FP_TC0_TXQ(fp); 1465 break; 1466 } 1467 } 1468 1469 if (!txq) { 1470 DP_NOTICE(edev, "Tx path is not available\n"); 1471 return -1; 1472 } 1473 1474 /* Fill the entry in the SW ring and the BDs in the FW ring */ 1475 idx = txq->sw_tx_prod; 1476 txq->sw_tx_ring.skbs[idx].skb = skb; 1477 first_bd = qed_chain_produce(&txq->tx_pbl); 1478 memset(first_bd, 0, sizeof(*first_bd)); 1479 val = 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT; 1480 first_bd->data.bd_flags.bitfields = val; 1481 val = skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK; 1482 val = val << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT; 1483 first_bd->data.bitfields |= cpu_to_le16(val); 1484 1485 /* Map skb linear data for DMA and set in the first BD */ 1486 mapping = dma_map_single(&edev->pdev->dev, skb->data, 1487 skb_headlen(skb), DMA_TO_DEVICE); 1488 if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) { 1489 DP_NOTICE(edev, "SKB mapping failed\n"); 1490 return -ENOMEM; 1491 } 1492 BD_SET_UNMAP_ADDR_LEN(first_bd, mapping, skb_headlen(skb)); 1493 1494 /* update the first BD with the actual num BDs */ 1495 first_bd->data.nbds = 1; 1496 txq->sw_tx_prod = (txq->sw_tx_prod + 1) % txq->num_tx_buffers; 1497 /* 'next page' entries are counted in the producer value */ 1498 val = qed_chain_get_prod_idx(&txq->tx_pbl); 1499 txq->tx_db.data.bd_prod = cpu_to_le16(val); 1500 1501 /* wmb makes sure that the BDs data is updated before updating the 1502 * producer, otherwise FW may read old data from the BDs. 1503 */ 1504 wmb(); 1505 barrier(); 1506 writel(txq->tx_db.raw, txq->doorbell_addr); 1507 1508 for (i = 0; i < QEDE_SELFTEST_POLL_COUNT; i++) { 1509 if (qede_txq_has_work(txq)) 1510 break; 1511 usleep_range(100, 200); 1512 } 1513 1514 if (!qede_txq_has_work(txq)) { 1515 DP_NOTICE(edev, "Tx completion didn't happen\n"); 1516 return -1; 1517 } 1518 1519 first_bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl); 1520 dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(first_bd), 1521 BD_UNMAP_LEN(first_bd), DMA_TO_DEVICE); 1522 txq->sw_tx_cons = (txq->sw_tx_cons + 1) % txq->num_tx_buffers; 1523 txq->sw_tx_ring.skbs[idx].skb = NULL; 1524 1525 return 0; 1526 } 1527 1528 static int qede_selftest_receive_traffic(struct qede_dev *edev) 1529 { 1530 u16 sw_rx_index, len; 1531 struct eth_fast_path_rx_reg_cqe *fp_cqe; 1532 struct qede_rx_queue *rxq = NULL; 1533 struct sw_rx_data *sw_rx_data; 1534 union eth_rx_cqe *cqe; 1535 int i, iter, rc = 0; 1536 u8 *data_ptr; 1537 1538 for_each_queue(i) { 1539 if (edev->fp_array[i].type & QEDE_FASTPATH_RX) { 1540 rxq = edev->fp_array[i].rxq; 1541 break; 1542 } 1543 } 1544 1545 if (!rxq) { 1546 DP_NOTICE(edev, "Rx path is not available\n"); 1547 return -1; 1548 } 1549 1550 /* The packet is expected to receive on rx-queue 0 even though RSS is 1551 * enabled. This is because the queue 0 is configured as the default 1552 * queue and that the loopback traffic is not IP. 1553 */ 1554 for (iter = 0; iter < QEDE_SELFTEST_POLL_COUNT; iter++) { 1555 if (!qede_has_rx_work(rxq)) { 1556 usleep_range(100, 200); 1557 continue; 1558 } 1559 1560 /* Get the CQE from the completion ring */ 1561 cqe = (union eth_rx_cqe *)qed_chain_consume(&rxq->rx_comp_ring); 1562 1563 /* Get the data from the SW ring */ 1564 sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS_MAX; 1565 sw_rx_data = &rxq->sw_rx_ring[sw_rx_index]; 1566 fp_cqe = &cqe->fast_path_regular; 1567 len = le16_to_cpu(fp_cqe->len_on_first_bd); 1568 data_ptr = (u8 *)(page_address(sw_rx_data->data) + 1569 fp_cqe->placement_offset + 1570 sw_rx_data->page_offset + 1571 rxq->rx_headroom); 1572 if (ether_addr_equal(data_ptr, edev->ndev->dev_addr) && 1573 ether_addr_equal(data_ptr + ETH_ALEN, 1574 edev->ndev->dev_addr)) { 1575 for (i = ETH_HLEN; i < len; i++) 1576 if (data_ptr[i] != (unsigned char)(i & 0xff)) { 1577 rc = -1; 1578 break; 1579 } 1580 1581 qede_recycle_rx_bd_ring(rxq, 1); 1582 qed_chain_recycle_consumed(&rxq->rx_comp_ring); 1583 break; 1584 } 1585 1586 DP_INFO(edev, "Not the transmitted packet\n"); 1587 qede_recycle_rx_bd_ring(rxq, 1); 1588 qed_chain_recycle_consumed(&rxq->rx_comp_ring); 1589 } 1590 1591 if (iter == QEDE_SELFTEST_POLL_COUNT) { 1592 DP_NOTICE(edev, "Failed to receive the traffic\n"); 1593 return -1; 1594 } 1595 1596 qede_update_rx_prod(edev, rxq); 1597 1598 return rc; 1599 } 1600 1601 static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode) 1602 { 1603 struct qed_link_params link_params; 1604 struct sk_buff *skb = NULL; 1605 int rc = 0, i; 1606 u32 pkt_size; 1607 u8 *packet; 1608 1609 if (!netif_running(edev->ndev)) { 1610 DP_NOTICE(edev, "Interface is down\n"); 1611 return -EINVAL; 1612 } 1613 1614 qede_netif_stop(edev); 1615 1616 /* Bring up the link in Loopback mode */ 1617 memset(&link_params, 0, sizeof(link_params)); 1618 link_params.link_up = true; 1619 link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE; 1620 link_params.loopback_mode = loopback_mode; 1621 edev->ops->common->set_link(edev->cdev, &link_params); 1622 1623 /* Wait for loopback configuration to apply */ 1624 msleep_interruptible(500); 1625 1626 /* Setting max packet size to 1.5K to avoid data being split over 1627 * multiple BDs in cases where MTU > PAGE_SIZE. 1628 */ 1629 pkt_size = (((edev->ndev->mtu < ETH_DATA_LEN) ? 1630 edev->ndev->mtu : ETH_DATA_LEN) + ETH_HLEN); 1631 1632 skb = netdev_alloc_skb(edev->ndev, pkt_size); 1633 if (!skb) { 1634 DP_INFO(edev, "Can't allocate skb\n"); 1635 rc = -ENOMEM; 1636 goto test_loopback_exit; 1637 } 1638 packet = skb_put(skb, pkt_size); 1639 ether_addr_copy(packet, edev->ndev->dev_addr); 1640 ether_addr_copy(packet + ETH_ALEN, edev->ndev->dev_addr); 1641 memset(packet + (2 * ETH_ALEN), 0x77, (ETH_HLEN - (2 * ETH_ALEN))); 1642 for (i = ETH_HLEN; i < pkt_size; i++) 1643 packet[i] = (unsigned char)(i & 0xff); 1644 1645 rc = qede_selftest_transmit_traffic(edev, skb); 1646 if (rc) 1647 goto test_loopback_exit; 1648 1649 rc = qede_selftest_receive_traffic(edev); 1650 if (rc) 1651 goto test_loopback_exit; 1652 1653 DP_VERBOSE(edev, NETIF_MSG_RX_STATUS, "Loopback test successful\n"); 1654 1655 test_loopback_exit: 1656 dev_kfree_skb(skb); 1657 1658 /* Bring up the link in Normal mode */ 1659 memset(&link_params, 0, sizeof(link_params)); 1660 link_params.link_up = true; 1661 link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE; 1662 link_params.loopback_mode = QED_LINK_LOOPBACK_NONE; 1663 edev->ops->common->set_link(edev->cdev, &link_params); 1664 1665 /* Wait for loopback configuration to apply */ 1666 msleep_interruptible(500); 1667 1668 qede_netif_start(edev); 1669 1670 return rc; 1671 } 1672 1673 static void qede_self_test(struct net_device *dev, 1674 struct ethtool_test *etest, u64 *buf) 1675 { 1676 struct qede_dev *edev = netdev_priv(dev); 1677 1678 DP_VERBOSE(edev, QED_MSG_DEBUG, 1679 "Self-test command parameters: offline = %d, external_lb = %d\n", 1680 (etest->flags & ETH_TEST_FL_OFFLINE), 1681 (etest->flags & ETH_TEST_FL_EXTERNAL_LB) >> 2); 1682 1683 memset(buf, 0, sizeof(u64) * QEDE_ETHTOOL_TEST_MAX); 1684 1685 if (etest->flags & ETH_TEST_FL_OFFLINE) { 1686 if (qede_selftest_run_loopback(edev, 1687 QED_LINK_LOOPBACK_INT_PHY)) { 1688 buf[QEDE_ETHTOOL_INT_LOOPBACK] = 1; 1689 etest->flags |= ETH_TEST_FL_FAILED; 1690 } 1691 } 1692 1693 if (edev->ops->common->selftest->selftest_interrupt(edev->cdev)) { 1694 buf[QEDE_ETHTOOL_INTERRUPT_TEST] = 1; 1695 etest->flags |= ETH_TEST_FL_FAILED; 1696 } 1697 1698 if (edev->ops->common->selftest->selftest_memory(edev->cdev)) { 1699 buf[QEDE_ETHTOOL_MEMORY_TEST] = 1; 1700 etest->flags |= ETH_TEST_FL_FAILED; 1701 } 1702 1703 if (edev->ops->common->selftest->selftest_register(edev->cdev)) { 1704 buf[QEDE_ETHTOOL_REGISTER_TEST] = 1; 1705 etest->flags |= ETH_TEST_FL_FAILED; 1706 } 1707 1708 if (edev->ops->common->selftest->selftest_clock(edev->cdev)) { 1709 buf[QEDE_ETHTOOL_CLOCK_TEST] = 1; 1710 etest->flags |= ETH_TEST_FL_FAILED; 1711 } 1712 1713 if (edev->ops->common->selftest->selftest_nvram(edev->cdev)) { 1714 buf[QEDE_ETHTOOL_NVRAM_TEST] = 1; 1715 etest->flags |= ETH_TEST_FL_FAILED; 1716 } 1717 } 1718 1719 static int qede_set_tunable(struct net_device *dev, 1720 const struct ethtool_tunable *tuna, 1721 const void *data) 1722 { 1723 struct qede_dev *edev = netdev_priv(dev); 1724 u32 val; 1725 1726 switch (tuna->id) { 1727 case ETHTOOL_RX_COPYBREAK: 1728 val = *(u32 *)data; 1729 if (val < QEDE_MIN_PKT_LEN || val > QEDE_RX_HDR_SIZE) { 1730 DP_VERBOSE(edev, QED_MSG_DEBUG, 1731 "Invalid rx copy break value, range is [%u, %u]", 1732 QEDE_MIN_PKT_LEN, QEDE_RX_HDR_SIZE); 1733 return -EINVAL; 1734 } 1735 1736 edev->rx_copybreak = *(u32 *)data; 1737 break; 1738 default: 1739 return -EOPNOTSUPP; 1740 } 1741 1742 return 0; 1743 } 1744 1745 static int qede_get_tunable(struct net_device *dev, 1746 const struct ethtool_tunable *tuna, void *data) 1747 { 1748 struct qede_dev *edev = netdev_priv(dev); 1749 1750 switch (tuna->id) { 1751 case ETHTOOL_RX_COPYBREAK: 1752 *(u32 *)data = edev->rx_copybreak; 1753 break; 1754 default: 1755 return -EOPNOTSUPP; 1756 } 1757 1758 return 0; 1759 } 1760 1761 static int qede_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1762 { 1763 struct qede_dev *edev = netdev_priv(dev); 1764 struct qed_link_output current_link; 1765 1766 memset(¤t_link, 0, sizeof(current_link)); 1767 edev->ops->common->get_link(edev->cdev, ¤t_link); 1768 1769 if (!current_link.eee_supported) { 1770 DP_INFO(edev, "EEE is not supported\n"); 1771 return -EOPNOTSUPP; 1772 } 1773 1774 if (current_link.eee.adv_caps & QED_EEE_1G_ADV) 1775 edata->advertised = ADVERTISED_1000baseT_Full; 1776 if (current_link.eee.adv_caps & QED_EEE_10G_ADV) 1777 edata->advertised |= ADVERTISED_10000baseT_Full; 1778 if (current_link.sup_caps & QED_EEE_1G_ADV) 1779 edata->supported = ADVERTISED_1000baseT_Full; 1780 if (current_link.sup_caps & QED_EEE_10G_ADV) 1781 edata->supported |= ADVERTISED_10000baseT_Full; 1782 if (current_link.eee.lp_adv_caps & QED_EEE_1G_ADV) 1783 edata->lp_advertised = ADVERTISED_1000baseT_Full; 1784 if (current_link.eee.lp_adv_caps & QED_EEE_10G_ADV) 1785 edata->lp_advertised |= ADVERTISED_10000baseT_Full; 1786 1787 edata->tx_lpi_timer = current_link.eee.tx_lpi_timer; 1788 edata->eee_enabled = current_link.eee.enable; 1789 edata->tx_lpi_enabled = current_link.eee.tx_lpi_enable; 1790 edata->eee_active = current_link.eee_active; 1791 1792 return 0; 1793 } 1794 1795 static int qede_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1796 { 1797 struct qede_dev *edev = netdev_priv(dev); 1798 struct qed_link_output current_link; 1799 struct qed_link_params params; 1800 1801 if (!edev->ops->common->can_link_change(edev->cdev)) { 1802 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 1803 return -EOPNOTSUPP; 1804 } 1805 1806 memset(¤t_link, 0, sizeof(current_link)); 1807 edev->ops->common->get_link(edev->cdev, ¤t_link); 1808 1809 if (!current_link.eee_supported) { 1810 DP_INFO(edev, "EEE is not supported\n"); 1811 return -EOPNOTSUPP; 1812 } 1813 1814 memset(¶ms, 0, sizeof(params)); 1815 params.override_flags |= QED_LINK_OVERRIDE_EEE_CONFIG; 1816 1817 if (!(edata->advertised & (ADVERTISED_1000baseT_Full | 1818 ADVERTISED_10000baseT_Full)) || 1819 ((edata->advertised & (ADVERTISED_1000baseT_Full | 1820 ADVERTISED_10000baseT_Full)) != 1821 edata->advertised)) { 1822 DP_VERBOSE(edev, QED_MSG_DEBUG, 1823 "Invalid advertised capabilities %d\n", 1824 edata->advertised); 1825 return -EINVAL; 1826 } 1827 1828 if (edata->advertised & ADVERTISED_1000baseT_Full) 1829 params.eee.adv_caps = QED_EEE_1G_ADV; 1830 if (edata->advertised & ADVERTISED_10000baseT_Full) 1831 params.eee.adv_caps |= QED_EEE_10G_ADV; 1832 params.eee.enable = edata->eee_enabled; 1833 params.eee.tx_lpi_enable = edata->tx_lpi_enabled; 1834 params.eee.tx_lpi_timer = edata->tx_lpi_timer; 1835 1836 params.link_up = true; 1837 edev->ops->common->set_link(edev->cdev, ¶ms); 1838 1839 return 0; 1840 } 1841 1842 static u32 qede_link_to_ethtool_fec(u32 link_fec) 1843 { 1844 u32 eth_fec = 0; 1845 1846 if (link_fec & QED_FEC_MODE_NONE) 1847 eth_fec |= ETHTOOL_FEC_OFF; 1848 if (link_fec & QED_FEC_MODE_FIRECODE) 1849 eth_fec |= ETHTOOL_FEC_BASER; 1850 if (link_fec & QED_FEC_MODE_RS) 1851 eth_fec |= ETHTOOL_FEC_RS; 1852 if (link_fec & QED_FEC_MODE_AUTO) 1853 eth_fec |= ETHTOOL_FEC_AUTO; 1854 if (link_fec & QED_FEC_MODE_UNSUPPORTED) 1855 eth_fec |= ETHTOOL_FEC_NONE; 1856 1857 return eth_fec; 1858 } 1859 1860 static u32 qede_ethtool_to_link_fec(u32 eth_fec) 1861 { 1862 u32 link_fec = 0; 1863 1864 if (eth_fec & ETHTOOL_FEC_OFF) 1865 link_fec |= QED_FEC_MODE_NONE; 1866 if (eth_fec & ETHTOOL_FEC_BASER) 1867 link_fec |= QED_FEC_MODE_FIRECODE; 1868 if (eth_fec & ETHTOOL_FEC_RS) 1869 link_fec |= QED_FEC_MODE_RS; 1870 if (eth_fec & ETHTOOL_FEC_AUTO) 1871 link_fec |= QED_FEC_MODE_AUTO; 1872 if (eth_fec & ETHTOOL_FEC_NONE) 1873 link_fec |= QED_FEC_MODE_UNSUPPORTED; 1874 1875 return link_fec; 1876 } 1877 1878 static int qede_get_fecparam(struct net_device *dev, 1879 struct ethtool_fecparam *fecparam) 1880 { 1881 struct qede_dev *edev = netdev_priv(dev); 1882 struct qed_link_output curr_link; 1883 1884 memset(&curr_link, 0, sizeof(curr_link)); 1885 edev->ops->common->get_link(edev->cdev, &curr_link); 1886 1887 fecparam->active_fec = qede_link_to_ethtool_fec(curr_link.active_fec); 1888 fecparam->fec = qede_link_to_ethtool_fec(curr_link.sup_fec); 1889 1890 return 0; 1891 } 1892 1893 static int qede_set_fecparam(struct net_device *dev, 1894 struct ethtool_fecparam *fecparam) 1895 { 1896 struct qede_dev *edev = netdev_priv(dev); 1897 struct qed_link_params params; 1898 1899 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 1900 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 1901 return -EOPNOTSUPP; 1902 } 1903 1904 memset(¶ms, 0, sizeof(params)); 1905 params.override_flags |= QED_LINK_OVERRIDE_FEC_CONFIG; 1906 params.fec = qede_ethtool_to_link_fec(fecparam->fec); 1907 params.link_up = true; 1908 1909 edev->ops->common->set_link(edev->cdev, ¶ms); 1910 1911 return 0; 1912 } 1913 1914 static int qede_get_module_info(struct net_device *dev, 1915 struct ethtool_modinfo *modinfo) 1916 { 1917 struct qede_dev *edev = netdev_priv(dev); 1918 u8 buf[4]; 1919 int rc; 1920 1921 /* Read first 4 bytes to find the sfp type */ 1922 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1923 QED_I2C_DEV_ADDR_A0, 0, 4); 1924 if (rc) { 1925 DP_ERR(edev, "Failed reading EEPROM data %d\n", rc); 1926 return rc; 1927 } 1928 1929 switch (buf[0]) { 1930 case 0x3: /* SFP, SFP+, SFP-28 */ 1931 modinfo->type = ETH_MODULE_SFF_8472; 1932 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1933 break; 1934 case 0xc: /* QSFP */ 1935 case 0xd: /* QSFP+ */ 1936 modinfo->type = ETH_MODULE_SFF_8436; 1937 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 1938 break; 1939 case 0x11: /* QSFP-28 */ 1940 modinfo->type = ETH_MODULE_SFF_8636; 1941 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 1942 break; 1943 default: 1944 DP_ERR(edev, "Unknown transceiver type 0x%x\n", buf[0]); 1945 return -EINVAL; 1946 } 1947 1948 return 0; 1949 } 1950 1951 static int qede_get_module_eeprom(struct net_device *dev, 1952 struct ethtool_eeprom *ee, u8 *data) 1953 { 1954 struct qede_dev *edev = netdev_priv(dev); 1955 u32 start_addr = ee->offset, size = 0; 1956 u8 *buf = data; 1957 int rc = 0; 1958 1959 /* Read A0 section */ 1960 if (ee->offset < ETH_MODULE_SFF_8079_LEN) { 1961 /* Limit transfer size to the A0 section boundary */ 1962 if (ee->offset + ee->len > ETH_MODULE_SFF_8079_LEN) 1963 size = ETH_MODULE_SFF_8079_LEN - ee->offset; 1964 else 1965 size = ee->len; 1966 1967 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1968 QED_I2C_DEV_ADDR_A0, 1969 start_addr, size); 1970 if (rc) { 1971 DP_ERR(edev, "Failed reading A0 section %d\n", rc); 1972 return rc; 1973 } 1974 1975 buf += size; 1976 start_addr += size; 1977 } 1978 1979 /* Read A2 section */ 1980 if (start_addr >= ETH_MODULE_SFF_8079_LEN && 1981 start_addr < ETH_MODULE_SFF_8472_LEN) { 1982 size = ee->len - size; 1983 /* Limit transfer size to the A2 section boundary */ 1984 if (start_addr + size > ETH_MODULE_SFF_8472_LEN) 1985 size = ETH_MODULE_SFF_8472_LEN - start_addr; 1986 start_addr -= ETH_MODULE_SFF_8079_LEN; 1987 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1988 QED_I2C_DEV_ADDR_A2, 1989 start_addr, size); 1990 if (rc) { 1991 DP_VERBOSE(edev, QED_MSG_DEBUG, 1992 "Failed reading A2 section %d\n", rc); 1993 return 0; 1994 } 1995 } 1996 1997 return rc; 1998 } 1999 2000 static int qede_set_dump(struct net_device *dev, struct ethtool_dump *val) 2001 { 2002 struct qede_dev *edev = netdev_priv(dev); 2003 int rc = 0; 2004 2005 if (edev->dump_info.cmd == QEDE_DUMP_CMD_NONE) { 2006 if (val->flag > QEDE_DUMP_CMD_MAX) { 2007 DP_ERR(edev, "Invalid command %d\n", val->flag); 2008 return -EINVAL; 2009 } 2010 edev->dump_info.cmd = val->flag; 2011 edev->dump_info.num_args = 0; 2012 return 0; 2013 } 2014 2015 if (edev->dump_info.num_args == QEDE_DUMP_MAX_ARGS) { 2016 DP_ERR(edev, "Arg count = %d\n", edev->dump_info.num_args); 2017 return -EINVAL; 2018 } 2019 2020 switch (edev->dump_info.cmd) { 2021 case QEDE_DUMP_CMD_NVM_CFG: 2022 edev->dump_info.args[edev->dump_info.num_args] = val->flag; 2023 edev->dump_info.num_args++; 2024 break; 2025 case QEDE_DUMP_CMD_GRCDUMP: 2026 rc = edev->ops->common->set_grc_config(edev->cdev, 2027 val->flag, 1); 2028 break; 2029 default: 2030 break; 2031 } 2032 2033 return rc; 2034 } 2035 2036 static int qede_get_dump_flag(struct net_device *dev, 2037 struct ethtool_dump *dump) 2038 { 2039 struct qede_dev *edev = netdev_priv(dev); 2040 2041 if (!edev->ops || !edev->ops->common) { 2042 DP_ERR(edev, "Edev ops not populated\n"); 2043 return -EINVAL; 2044 } 2045 2046 dump->version = QEDE_DUMP_VERSION; 2047 switch (edev->dump_info.cmd) { 2048 case QEDE_DUMP_CMD_NVM_CFG: 2049 dump->flag = QEDE_DUMP_CMD_NVM_CFG; 2050 dump->len = edev->ops->common->read_nvm_cfg_len(edev->cdev, 2051 edev->dump_info.args[0]); 2052 break; 2053 case QEDE_DUMP_CMD_GRCDUMP: 2054 dump->flag = QEDE_DUMP_CMD_GRCDUMP; 2055 dump->len = edev->ops->common->dbg_all_data_size(edev->cdev); 2056 break; 2057 default: 2058 DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd); 2059 return -EINVAL; 2060 } 2061 2062 DP_VERBOSE(edev, QED_MSG_DEBUG, 2063 "dump->version = 0x%x dump->flag = %d dump->len = %d\n", 2064 dump->version, dump->flag, dump->len); 2065 return 0; 2066 } 2067 2068 static int qede_get_dump_data(struct net_device *dev, 2069 struct ethtool_dump *dump, void *buf) 2070 { 2071 struct qede_dev *edev = netdev_priv(dev); 2072 int rc = 0; 2073 2074 if (!edev->ops || !edev->ops->common) { 2075 DP_ERR(edev, "Edev ops not populated\n"); 2076 rc = -EINVAL; 2077 goto err; 2078 } 2079 2080 switch (edev->dump_info.cmd) { 2081 case QEDE_DUMP_CMD_NVM_CFG: 2082 if (edev->dump_info.num_args != QEDE_DUMP_NVM_ARG_COUNT) { 2083 DP_ERR(edev, "Arg count = %d required = %d\n", 2084 edev->dump_info.num_args, 2085 QEDE_DUMP_NVM_ARG_COUNT); 2086 rc = -EINVAL; 2087 goto err; 2088 } 2089 rc = edev->ops->common->read_nvm_cfg(edev->cdev, (u8 **)&buf, 2090 edev->dump_info.args[0], 2091 edev->dump_info.args[1]); 2092 break; 2093 case QEDE_DUMP_CMD_GRCDUMP: 2094 memset(buf, 0, dump->len); 2095 rc = edev->ops->common->dbg_all_data(edev->cdev, buf); 2096 break; 2097 default: 2098 DP_ERR(edev, "Invalid cmd = %d\n", edev->dump_info.cmd); 2099 rc = -EINVAL; 2100 break; 2101 } 2102 2103 err: 2104 edev->dump_info.cmd = QEDE_DUMP_CMD_NONE; 2105 edev->dump_info.num_args = 0; 2106 memset(edev->dump_info.args, 0, sizeof(edev->dump_info.args)); 2107 2108 return rc; 2109 } 2110 2111 int qede_set_per_coalesce(struct net_device *dev, u32 queue, 2112 struct ethtool_coalesce *coal) 2113 { 2114 struct qede_dev *edev = netdev_priv(dev); 2115 struct qede_fastpath *fp; 2116 u16 rxc, txc; 2117 int rc = 0; 2118 2119 if (coal->rx_coalesce_usecs > QED_COALESCE_MAX || 2120 coal->tx_coalesce_usecs > QED_COALESCE_MAX) { 2121 DP_INFO(edev, 2122 "Can't support requested %s coalesce value [max supported value %d]\n", 2123 coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" 2124 : "tx", 2125 QED_COALESCE_MAX); 2126 return -EINVAL; 2127 } 2128 2129 rxc = (u16)coal->rx_coalesce_usecs; 2130 txc = (u16)coal->tx_coalesce_usecs; 2131 2132 __qede_lock(edev); 2133 if (queue >= edev->num_queues) { 2134 DP_INFO(edev, "Invalid queue\n"); 2135 rc = -EINVAL; 2136 goto out; 2137 } 2138 2139 if (edev->state != QEDE_STATE_OPEN) { 2140 rc = -EINVAL; 2141 goto out; 2142 } 2143 2144 fp = &edev->fp_array[queue]; 2145 2146 if (edev->fp_array[queue].type & QEDE_FASTPATH_RX) { 2147 rc = edev->ops->common->set_coalesce(edev->cdev, 2148 rxc, 0, 2149 fp->rxq->handle); 2150 if (rc) { 2151 DP_INFO(edev, 2152 "Set RX coalesce error, rc = %d\n", rc); 2153 goto out; 2154 } 2155 edev->coal_entry[queue].rxc = rxc; 2156 edev->coal_entry[queue].isvalid = true; 2157 } 2158 2159 if (edev->fp_array[queue].type & QEDE_FASTPATH_TX) { 2160 rc = edev->ops->common->set_coalesce(edev->cdev, 2161 0, txc, 2162 fp->txq->handle); 2163 if (rc) { 2164 DP_INFO(edev, 2165 "Set TX coalesce error, rc = %d\n", rc); 2166 goto out; 2167 } 2168 edev->coal_entry[queue].txc = txc; 2169 edev->coal_entry[queue].isvalid = true; 2170 } 2171 out: 2172 __qede_unlock(edev); 2173 2174 return rc; 2175 } 2176 2177 static int qede_get_per_coalesce(struct net_device *dev, 2178 u32 queue, 2179 struct ethtool_coalesce *coal) 2180 { 2181 void *rx_handle = NULL, *tx_handle = NULL; 2182 struct qede_dev *edev = netdev_priv(dev); 2183 struct qede_fastpath *fp; 2184 u16 rx_coal, tx_coal; 2185 int rc = 0; 2186 2187 rx_coal = QED_DEFAULT_RX_USECS; 2188 tx_coal = QED_DEFAULT_TX_USECS; 2189 2190 memset(coal, 0, sizeof(struct ethtool_coalesce)); 2191 2192 __qede_lock(edev); 2193 if (queue >= edev->num_queues) { 2194 DP_INFO(edev, "Invalid queue\n"); 2195 rc = -EINVAL; 2196 goto out; 2197 } 2198 2199 if (edev->state != QEDE_STATE_OPEN) { 2200 rc = -EINVAL; 2201 goto out; 2202 } 2203 2204 fp = &edev->fp_array[queue]; 2205 2206 if (fp->type & QEDE_FASTPATH_RX) 2207 rx_handle = fp->rxq->handle; 2208 2209 rc = edev->ops->get_coalesce(edev->cdev, &rx_coal, 2210 rx_handle); 2211 if (rc) { 2212 DP_INFO(edev, "Read Rx coalesce error\n"); 2213 goto out; 2214 } 2215 2216 fp = &edev->fp_array[queue]; 2217 if (fp->type & QEDE_FASTPATH_TX) 2218 tx_handle = fp->txq->handle; 2219 2220 rc = edev->ops->get_coalesce(edev->cdev, &tx_coal, 2221 tx_handle); 2222 if (rc) 2223 DP_INFO(edev, "Read Tx coalesce error\n"); 2224 2225 out: 2226 __qede_unlock(edev); 2227 2228 coal->rx_coalesce_usecs = rx_coal; 2229 coal->tx_coalesce_usecs = tx_coal; 2230 2231 return rc; 2232 } 2233 2234 static const struct ethtool_ops qede_ethtool_ops = { 2235 .supported_coalesce_params = ETHTOOL_COALESCE_USECS, 2236 .get_link_ksettings = qede_get_link_ksettings, 2237 .set_link_ksettings = qede_set_link_ksettings, 2238 .get_drvinfo = qede_get_drvinfo, 2239 .get_regs_len = qede_get_regs_len, 2240 .get_regs = qede_get_regs, 2241 .get_wol = qede_get_wol, 2242 .set_wol = qede_set_wol, 2243 .get_msglevel = qede_get_msglevel, 2244 .set_msglevel = qede_set_msglevel, 2245 .nway_reset = qede_nway_reset, 2246 .get_link = qede_get_link, 2247 .get_coalesce = qede_get_coalesce, 2248 .set_coalesce = qede_set_coalesce, 2249 .get_ringparam = qede_get_ringparam, 2250 .set_ringparam = qede_set_ringparam, 2251 .get_pauseparam = qede_get_pauseparam, 2252 .set_pauseparam = qede_set_pauseparam, 2253 .get_strings = qede_get_strings, 2254 .set_phys_id = qede_set_phys_id, 2255 .get_ethtool_stats = qede_get_ethtool_stats, 2256 .get_priv_flags = qede_get_priv_flags, 2257 .set_priv_flags = qede_set_priv_flags, 2258 .get_sset_count = qede_get_sset_count, 2259 .get_rxnfc = qede_get_rxnfc, 2260 .set_rxnfc = qede_set_rxnfc, 2261 .get_rxfh_indir_size = qede_get_rxfh_indir_size, 2262 .get_rxfh_key_size = qede_get_rxfh_key_size, 2263 .get_rxfh = qede_get_rxfh, 2264 .set_rxfh = qede_set_rxfh, 2265 .get_ts_info = qede_get_ts_info, 2266 .get_channels = qede_get_channels, 2267 .set_channels = qede_set_channels, 2268 .self_test = qede_self_test, 2269 .get_module_info = qede_get_module_info, 2270 .get_module_eeprom = qede_get_module_eeprom, 2271 .get_eee = qede_get_eee, 2272 .set_eee = qede_set_eee, 2273 .get_fecparam = qede_get_fecparam, 2274 .set_fecparam = qede_set_fecparam, 2275 .get_tunable = qede_get_tunable, 2276 .set_tunable = qede_set_tunable, 2277 .get_per_queue_coalesce = qede_get_per_coalesce, 2278 .set_per_queue_coalesce = qede_set_per_coalesce, 2279 .flash_device = qede_flash_device, 2280 .get_dump_flag = qede_get_dump_flag, 2281 .get_dump_data = qede_get_dump_data, 2282 .set_dump = qede_set_dump, 2283 }; 2284 2285 static const struct ethtool_ops qede_vf_ethtool_ops = { 2286 .supported_coalesce_params = ETHTOOL_COALESCE_USECS, 2287 .get_link_ksettings = qede_get_link_ksettings, 2288 .get_drvinfo = qede_get_drvinfo, 2289 .get_msglevel = qede_get_msglevel, 2290 .set_msglevel = qede_set_msglevel, 2291 .get_link = qede_get_link, 2292 .get_coalesce = qede_get_coalesce, 2293 .set_coalesce = qede_set_coalesce, 2294 .get_ringparam = qede_get_ringparam, 2295 .set_ringparam = qede_set_ringparam, 2296 .get_strings = qede_get_strings, 2297 .get_ethtool_stats = qede_get_ethtool_stats, 2298 .get_priv_flags = qede_get_priv_flags, 2299 .get_sset_count = qede_get_sset_count, 2300 .get_rxnfc = qede_get_rxnfc, 2301 .set_rxnfc = qede_set_rxnfc, 2302 .get_rxfh_indir_size = qede_get_rxfh_indir_size, 2303 .get_rxfh_key_size = qede_get_rxfh_key_size, 2304 .get_rxfh = qede_get_rxfh, 2305 .set_rxfh = qede_set_rxfh, 2306 .get_channels = qede_get_channels, 2307 .set_channels = qede_set_channels, 2308 .get_per_queue_coalesce = qede_get_per_coalesce, 2309 .set_per_queue_coalesce = qede_set_per_coalesce, 2310 .get_tunable = qede_get_tunable, 2311 .set_tunable = qede_set_tunable, 2312 }; 2313 2314 void qede_set_ethtool_ops(struct net_device *dev) 2315 { 2316 struct qede_dev *edev = netdev_priv(dev); 2317 2318 if (IS_VF(edev)) 2319 dev->ethtool_ops = &qede_vf_ethtool_ops; 2320 else 2321 dev->ethtool_ops = &qede_ethtool_ops; 2322 } 2323