1 /* QLogic qede NIC Driver 2 * Copyright (c) 2015-2017 QLogic Corporation 3 * 4 * This software is available to you under a choice of one of two 5 * licenses. You may choose to be licensed under the terms of the GNU 6 * General Public License (GPL) Version 2, available from the file 7 * COPYING in the main directory of this source tree, or the 8 * OpenIB.org BSD license below: 9 * 10 * Redistribution and use in source and binary forms, with or 11 * without modification, are permitted provided that the following 12 * conditions are met: 13 * 14 * - Redistributions of source code must retain the above 15 * copyright notice, this list of conditions and the following 16 * disclaimer. 17 * 18 * - Redistributions in binary form must reproduce the above 19 * copyright notice, this list of conditions and the following 20 * disclaimer in the documentation and /or other materials 21 * provided with the distribution. 22 * 23 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 24 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 25 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND 26 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS 27 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN 28 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN 29 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE 30 * SOFTWARE. 31 */ 32 #include <linux/version.h> 33 #include <linux/types.h> 34 #include <linux/netdevice.h> 35 #include <linux/etherdevice.h> 36 #include <linux/ethtool.h> 37 #include <linux/string.h> 38 #include <linux/pci.h> 39 #include <linux/capability.h> 40 #include <linux/vmalloc.h> 41 #include "qede.h" 42 #include "qede_ptp.h" 43 44 #define QEDE_RQSTAT_OFFSET(stat_name) \ 45 (offsetof(struct qede_rx_queue, stat_name)) 46 #define QEDE_RQSTAT_STRING(stat_name) (#stat_name) 47 #define QEDE_RQSTAT(stat_name) \ 48 {QEDE_RQSTAT_OFFSET(stat_name), QEDE_RQSTAT_STRING(stat_name)} 49 50 #define QEDE_SELFTEST_POLL_COUNT 100 51 52 static const struct { 53 u64 offset; 54 char string[ETH_GSTRING_LEN]; 55 } qede_rqstats_arr[] = { 56 QEDE_RQSTAT(rcv_pkts), 57 QEDE_RQSTAT(rx_hw_errors), 58 QEDE_RQSTAT(rx_alloc_errors), 59 QEDE_RQSTAT(rx_ip_frags), 60 QEDE_RQSTAT(xdp_no_pass), 61 }; 62 63 #define QEDE_NUM_RQSTATS ARRAY_SIZE(qede_rqstats_arr) 64 #define QEDE_TQSTAT_OFFSET(stat_name) \ 65 (offsetof(struct qede_tx_queue, stat_name)) 66 #define QEDE_TQSTAT_STRING(stat_name) (#stat_name) 67 #define QEDE_TQSTAT(stat_name) \ 68 {QEDE_TQSTAT_OFFSET(stat_name), QEDE_TQSTAT_STRING(stat_name)} 69 #define QEDE_NUM_TQSTATS ARRAY_SIZE(qede_tqstats_arr) 70 static const struct { 71 u64 offset; 72 char string[ETH_GSTRING_LEN]; 73 } qede_tqstats_arr[] = { 74 QEDE_TQSTAT(xmit_pkts), 75 QEDE_TQSTAT(stopped_cnt), 76 }; 77 78 #define QEDE_STAT_OFFSET(stat_name, type, base) \ 79 (offsetof(type, stat_name) + (base)) 80 #define QEDE_STAT_STRING(stat_name) (#stat_name) 81 #define _QEDE_STAT(stat_name, type, base, attr) \ 82 {QEDE_STAT_OFFSET(stat_name, type, base), \ 83 QEDE_STAT_STRING(stat_name), \ 84 attr} 85 #define QEDE_STAT(stat_name) \ 86 _QEDE_STAT(stat_name, struct qede_stats_common, 0, 0x0) 87 #define QEDE_PF_STAT(stat_name) \ 88 _QEDE_STAT(stat_name, struct qede_stats_common, 0, \ 89 BIT(QEDE_STAT_PF_ONLY)) 90 #define QEDE_PF_BB_STAT(stat_name) \ 91 _QEDE_STAT(stat_name, struct qede_stats_bb, \ 92 offsetof(struct qede_stats, bb), \ 93 BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_BB_ONLY)) 94 #define QEDE_PF_AH_STAT(stat_name) \ 95 _QEDE_STAT(stat_name, struct qede_stats_ah, \ 96 offsetof(struct qede_stats, ah), \ 97 BIT(QEDE_STAT_PF_ONLY) | BIT(QEDE_STAT_AH_ONLY)) 98 static const struct { 99 u64 offset; 100 char string[ETH_GSTRING_LEN]; 101 unsigned long attr; 102 #define QEDE_STAT_PF_ONLY 0 103 #define QEDE_STAT_BB_ONLY 1 104 #define QEDE_STAT_AH_ONLY 2 105 } qede_stats_arr[] = { 106 QEDE_STAT(rx_ucast_bytes), 107 QEDE_STAT(rx_mcast_bytes), 108 QEDE_STAT(rx_bcast_bytes), 109 QEDE_STAT(rx_ucast_pkts), 110 QEDE_STAT(rx_mcast_pkts), 111 QEDE_STAT(rx_bcast_pkts), 112 113 QEDE_STAT(tx_ucast_bytes), 114 QEDE_STAT(tx_mcast_bytes), 115 QEDE_STAT(tx_bcast_bytes), 116 QEDE_STAT(tx_ucast_pkts), 117 QEDE_STAT(tx_mcast_pkts), 118 QEDE_STAT(tx_bcast_pkts), 119 120 QEDE_PF_STAT(rx_64_byte_packets), 121 QEDE_PF_STAT(rx_65_to_127_byte_packets), 122 QEDE_PF_STAT(rx_128_to_255_byte_packets), 123 QEDE_PF_STAT(rx_256_to_511_byte_packets), 124 QEDE_PF_STAT(rx_512_to_1023_byte_packets), 125 QEDE_PF_STAT(rx_1024_to_1518_byte_packets), 126 QEDE_PF_BB_STAT(rx_1519_to_1522_byte_packets), 127 QEDE_PF_BB_STAT(rx_1519_to_2047_byte_packets), 128 QEDE_PF_BB_STAT(rx_2048_to_4095_byte_packets), 129 QEDE_PF_BB_STAT(rx_4096_to_9216_byte_packets), 130 QEDE_PF_BB_STAT(rx_9217_to_16383_byte_packets), 131 QEDE_PF_AH_STAT(rx_1519_to_max_byte_packets), 132 QEDE_PF_STAT(tx_64_byte_packets), 133 QEDE_PF_STAT(tx_65_to_127_byte_packets), 134 QEDE_PF_STAT(tx_128_to_255_byte_packets), 135 QEDE_PF_STAT(tx_256_to_511_byte_packets), 136 QEDE_PF_STAT(tx_512_to_1023_byte_packets), 137 QEDE_PF_STAT(tx_1024_to_1518_byte_packets), 138 QEDE_PF_BB_STAT(tx_1519_to_2047_byte_packets), 139 QEDE_PF_BB_STAT(tx_2048_to_4095_byte_packets), 140 QEDE_PF_BB_STAT(tx_4096_to_9216_byte_packets), 141 QEDE_PF_BB_STAT(tx_9217_to_16383_byte_packets), 142 QEDE_PF_AH_STAT(tx_1519_to_max_byte_packets), 143 QEDE_PF_STAT(rx_mac_crtl_frames), 144 QEDE_PF_STAT(tx_mac_ctrl_frames), 145 QEDE_PF_STAT(rx_pause_frames), 146 QEDE_PF_STAT(tx_pause_frames), 147 QEDE_PF_STAT(rx_pfc_frames), 148 QEDE_PF_STAT(tx_pfc_frames), 149 150 QEDE_PF_STAT(rx_crc_errors), 151 QEDE_PF_STAT(rx_align_errors), 152 QEDE_PF_STAT(rx_carrier_errors), 153 QEDE_PF_STAT(rx_oversize_packets), 154 QEDE_PF_STAT(rx_jabbers), 155 QEDE_PF_STAT(rx_undersize_packets), 156 QEDE_PF_STAT(rx_fragments), 157 QEDE_PF_BB_STAT(tx_lpi_entry_count), 158 QEDE_PF_BB_STAT(tx_total_collisions), 159 QEDE_PF_STAT(brb_truncates), 160 QEDE_PF_STAT(brb_discards), 161 QEDE_STAT(no_buff_discards), 162 QEDE_PF_STAT(mftag_filter_discards), 163 QEDE_PF_STAT(mac_filter_discards), 164 QEDE_PF_STAT(gft_filter_drop), 165 QEDE_STAT(tx_err_drop_pkts), 166 QEDE_STAT(ttl0_discard), 167 QEDE_STAT(packet_too_big_discard), 168 169 QEDE_STAT(coalesced_pkts), 170 QEDE_STAT(coalesced_events), 171 QEDE_STAT(coalesced_aborts_num), 172 QEDE_STAT(non_coalesced_pkts), 173 QEDE_STAT(coalesced_bytes), 174 175 QEDE_STAT(link_change_count), 176 }; 177 178 #define QEDE_NUM_STATS ARRAY_SIZE(qede_stats_arr) 179 #define QEDE_STAT_IS_PF_ONLY(i) \ 180 test_bit(QEDE_STAT_PF_ONLY, &qede_stats_arr[i].attr) 181 #define QEDE_STAT_IS_BB_ONLY(i) \ 182 test_bit(QEDE_STAT_BB_ONLY, &qede_stats_arr[i].attr) 183 #define QEDE_STAT_IS_AH_ONLY(i) \ 184 test_bit(QEDE_STAT_AH_ONLY, &qede_stats_arr[i].attr) 185 186 enum { 187 QEDE_PRI_FLAG_CMT, 188 QEDE_PRI_FLAG_LEN, 189 }; 190 191 static const char qede_private_arr[QEDE_PRI_FLAG_LEN][ETH_GSTRING_LEN] = { 192 "Coupled-Function", 193 }; 194 195 enum qede_ethtool_tests { 196 QEDE_ETHTOOL_INT_LOOPBACK, 197 QEDE_ETHTOOL_INTERRUPT_TEST, 198 QEDE_ETHTOOL_MEMORY_TEST, 199 QEDE_ETHTOOL_REGISTER_TEST, 200 QEDE_ETHTOOL_CLOCK_TEST, 201 QEDE_ETHTOOL_NVRAM_TEST, 202 QEDE_ETHTOOL_TEST_MAX 203 }; 204 205 static const char qede_tests_str_arr[QEDE_ETHTOOL_TEST_MAX][ETH_GSTRING_LEN] = { 206 "Internal loopback (offline)", 207 "Interrupt (online)\t", 208 "Memory (online)\t\t", 209 "Register (online)\t", 210 "Clock (online)\t\t", 211 "Nvram (online)\t\t", 212 }; 213 214 static void qede_get_strings_stats_txq(struct qede_dev *edev, 215 struct qede_tx_queue *txq, u8 **buf) 216 { 217 int i; 218 219 for (i = 0; i < QEDE_NUM_TQSTATS; i++) { 220 if (txq->is_xdp) 221 sprintf(*buf, "%d [XDP]: %s", 222 QEDE_TXQ_XDP_TO_IDX(edev, txq), 223 qede_tqstats_arr[i].string); 224 else 225 sprintf(*buf, "%d_%d: %s", txq->index, txq->cos, 226 qede_tqstats_arr[i].string); 227 *buf += ETH_GSTRING_LEN; 228 } 229 } 230 231 static void qede_get_strings_stats_rxq(struct qede_dev *edev, 232 struct qede_rx_queue *rxq, u8 **buf) 233 { 234 int i; 235 236 for (i = 0; i < QEDE_NUM_RQSTATS; i++) { 237 sprintf(*buf, "%d: %s", rxq->rxq_id, 238 qede_rqstats_arr[i].string); 239 *buf += ETH_GSTRING_LEN; 240 } 241 } 242 243 static bool qede_is_irrelevant_stat(struct qede_dev *edev, int stat_index) 244 { 245 return (IS_VF(edev) && QEDE_STAT_IS_PF_ONLY(stat_index)) || 246 (QEDE_IS_BB(edev) && QEDE_STAT_IS_AH_ONLY(stat_index)) || 247 (QEDE_IS_AH(edev) && QEDE_STAT_IS_BB_ONLY(stat_index)); 248 } 249 250 static void qede_get_strings_stats(struct qede_dev *edev, u8 *buf) 251 { 252 struct qede_fastpath *fp; 253 int i; 254 255 /* Account for queue statistics */ 256 for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { 257 fp = &edev->fp_array[i]; 258 259 if (fp->type & QEDE_FASTPATH_RX) 260 qede_get_strings_stats_rxq(edev, fp->rxq, &buf); 261 262 if (fp->type & QEDE_FASTPATH_XDP) 263 qede_get_strings_stats_txq(edev, fp->xdp_tx, &buf); 264 265 if (fp->type & QEDE_FASTPATH_TX) { 266 int cos; 267 268 for_each_cos_in_txq(edev, cos) 269 qede_get_strings_stats_txq(edev, 270 &fp->txq[cos], &buf); 271 } 272 } 273 274 /* Account for non-queue statistics */ 275 for (i = 0; i < QEDE_NUM_STATS; i++) { 276 if (qede_is_irrelevant_stat(edev, i)) 277 continue; 278 strcpy(buf, qede_stats_arr[i].string); 279 buf += ETH_GSTRING_LEN; 280 } 281 } 282 283 static void qede_get_strings(struct net_device *dev, u32 stringset, u8 *buf) 284 { 285 struct qede_dev *edev = netdev_priv(dev); 286 287 switch (stringset) { 288 case ETH_SS_STATS: 289 qede_get_strings_stats(edev, buf); 290 break; 291 case ETH_SS_PRIV_FLAGS: 292 memcpy(buf, qede_private_arr, 293 ETH_GSTRING_LEN * QEDE_PRI_FLAG_LEN); 294 break; 295 case ETH_SS_TEST: 296 memcpy(buf, qede_tests_str_arr, 297 ETH_GSTRING_LEN * QEDE_ETHTOOL_TEST_MAX); 298 break; 299 default: 300 DP_VERBOSE(edev, QED_MSG_DEBUG, 301 "Unsupported stringset 0x%08x\n", stringset); 302 } 303 } 304 305 static void qede_get_ethtool_stats_txq(struct qede_tx_queue *txq, u64 **buf) 306 { 307 int i; 308 309 for (i = 0; i < QEDE_NUM_TQSTATS; i++) { 310 **buf = *((u64 *)(((void *)txq) + qede_tqstats_arr[i].offset)); 311 (*buf)++; 312 } 313 } 314 315 static void qede_get_ethtool_stats_rxq(struct qede_rx_queue *rxq, u64 **buf) 316 { 317 int i; 318 319 for (i = 0; i < QEDE_NUM_RQSTATS; i++) { 320 **buf = *((u64 *)(((void *)rxq) + qede_rqstats_arr[i].offset)); 321 (*buf)++; 322 } 323 } 324 325 static void qede_get_ethtool_stats(struct net_device *dev, 326 struct ethtool_stats *stats, u64 *buf) 327 { 328 struct qede_dev *edev = netdev_priv(dev); 329 struct qede_fastpath *fp; 330 int i; 331 332 qede_fill_by_demand_stats(edev); 333 334 /* Need to protect the access to the fastpath array */ 335 __qede_lock(edev); 336 337 for (i = 0; i < QEDE_QUEUE_CNT(edev); i++) { 338 fp = &edev->fp_array[i]; 339 340 if (fp->type & QEDE_FASTPATH_RX) 341 qede_get_ethtool_stats_rxq(fp->rxq, &buf); 342 343 if (fp->type & QEDE_FASTPATH_XDP) 344 qede_get_ethtool_stats_txq(fp->xdp_tx, &buf); 345 346 if (fp->type & QEDE_FASTPATH_TX) { 347 int cos; 348 349 for_each_cos_in_txq(edev, cos) 350 qede_get_ethtool_stats_txq(&fp->txq[cos], &buf); 351 } 352 } 353 354 for (i = 0; i < QEDE_NUM_STATS; i++) { 355 if (qede_is_irrelevant_stat(edev, i)) 356 continue; 357 *buf = *((u64 *)(((void *)&edev->stats) + 358 qede_stats_arr[i].offset)); 359 360 buf++; 361 } 362 363 __qede_unlock(edev); 364 } 365 366 static int qede_get_sset_count(struct net_device *dev, int stringset) 367 { 368 struct qede_dev *edev = netdev_priv(dev); 369 int num_stats = QEDE_NUM_STATS, i; 370 371 switch (stringset) { 372 case ETH_SS_STATS: 373 for (i = 0; i < QEDE_NUM_STATS; i++) 374 if (qede_is_irrelevant_stat(edev, i)) 375 num_stats--; 376 377 /* Account for the Regular Tx statistics */ 378 num_stats += QEDE_TSS_COUNT(edev) * QEDE_NUM_TQSTATS * 379 edev->dev_info.num_tc; 380 381 /* Account for the Regular Rx statistics */ 382 num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_RQSTATS; 383 384 /* Account for XDP statistics [if needed] */ 385 if (edev->xdp_prog) 386 num_stats += QEDE_RSS_COUNT(edev) * QEDE_NUM_TQSTATS; 387 return num_stats; 388 389 case ETH_SS_PRIV_FLAGS: 390 return QEDE_PRI_FLAG_LEN; 391 case ETH_SS_TEST: 392 if (!IS_VF(edev)) 393 return QEDE_ETHTOOL_TEST_MAX; 394 else 395 return 0; 396 default: 397 DP_VERBOSE(edev, QED_MSG_DEBUG, 398 "Unsupported stringset 0x%08x\n", stringset); 399 return -EINVAL; 400 } 401 } 402 403 static u32 qede_get_priv_flags(struct net_device *dev) 404 { 405 struct qede_dev *edev = netdev_priv(dev); 406 407 return (!!(edev->dev_info.common.num_hwfns > 1)) << QEDE_PRI_FLAG_CMT; 408 } 409 410 struct qede_link_mode_mapping { 411 u32 qed_link_mode; 412 u32 ethtool_link_mode; 413 }; 414 415 static const struct qede_link_mode_mapping qed_lm_map[] = { 416 {QED_LM_FIBRE_BIT, ETHTOOL_LINK_MODE_FIBRE_BIT}, 417 {QED_LM_Autoneg_BIT, ETHTOOL_LINK_MODE_Autoneg_BIT}, 418 {QED_LM_Asym_Pause_BIT, ETHTOOL_LINK_MODE_Asym_Pause_BIT}, 419 {QED_LM_Pause_BIT, ETHTOOL_LINK_MODE_Pause_BIT}, 420 {QED_LM_1000baseT_Half_BIT, ETHTOOL_LINK_MODE_1000baseT_Half_BIT}, 421 {QED_LM_1000baseT_Full_BIT, ETHTOOL_LINK_MODE_1000baseT_Full_BIT}, 422 {QED_LM_10000baseKR_Full_BIT, ETHTOOL_LINK_MODE_10000baseKR_Full_BIT}, 423 {QED_LM_20000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_20000baseKR2_Full_BIT}, 424 {QED_LM_25000baseKR_Full_BIT, ETHTOOL_LINK_MODE_25000baseKR_Full_BIT}, 425 {QED_LM_40000baseLR4_Full_BIT, ETHTOOL_LINK_MODE_40000baseLR4_Full_BIT}, 426 {QED_LM_50000baseKR2_Full_BIT, ETHTOOL_LINK_MODE_50000baseKR2_Full_BIT}, 427 {QED_LM_100000baseKR4_Full_BIT, 428 ETHTOOL_LINK_MODE_100000baseKR4_Full_BIT}, 429 }; 430 431 #define QEDE_DRV_TO_ETHTOOL_CAPS(caps, lk_ksettings, name) \ 432 { \ 433 int i; \ 434 \ 435 for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) { \ 436 if ((caps) & (qed_lm_map[i].qed_link_mode)) \ 437 __set_bit(qed_lm_map[i].ethtool_link_mode,\ 438 lk_ksettings->link_modes.name); \ 439 } \ 440 } 441 442 #define QEDE_ETHTOOL_TO_DRV_CAPS(caps, lk_ksettings, name) \ 443 { \ 444 int i; \ 445 \ 446 for (i = 0; i < ARRAY_SIZE(qed_lm_map); i++) { \ 447 if (test_bit(qed_lm_map[i].ethtool_link_mode, \ 448 lk_ksettings->link_modes.name)) \ 449 caps |= qed_lm_map[i].qed_link_mode; \ 450 } \ 451 } 452 453 static int qede_get_link_ksettings(struct net_device *dev, 454 struct ethtool_link_ksettings *cmd) 455 { 456 struct ethtool_link_settings *base = &cmd->base; 457 struct qede_dev *edev = netdev_priv(dev); 458 struct qed_link_output current_link; 459 460 __qede_lock(edev); 461 462 memset(¤t_link, 0, sizeof(current_link)); 463 edev->ops->common->get_link(edev->cdev, ¤t_link); 464 465 ethtool_link_ksettings_zero_link_mode(cmd, supported); 466 QEDE_DRV_TO_ETHTOOL_CAPS(current_link.supported_caps, cmd, supported) 467 468 ethtool_link_ksettings_zero_link_mode(cmd, advertising); 469 QEDE_DRV_TO_ETHTOOL_CAPS(current_link.advertised_caps, cmd, advertising) 470 471 ethtool_link_ksettings_zero_link_mode(cmd, lp_advertising); 472 QEDE_DRV_TO_ETHTOOL_CAPS(current_link.lp_caps, cmd, lp_advertising) 473 474 if ((edev->state == QEDE_STATE_OPEN) && (current_link.link_up)) { 475 base->speed = current_link.speed; 476 base->duplex = current_link.duplex; 477 } else { 478 base->speed = SPEED_UNKNOWN; 479 base->duplex = DUPLEX_UNKNOWN; 480 } 481 482 __qede_unlock(edev); 483 484 base->port = current_link.port; 485 base->autoneg = (current_link.autoneg) ? AUTONEG_ENABLE : 486 AUTONEG_DISABLE; 487 488 return 0; 489 } 490 491 static int qede_set_link_ksettings(struct net_device *dev, 492 const struct ethtool_link_ksettings *cmd) 493 { 494 const struct ethtool_link_settings *base = &cmd->base; 495 struct qede_dev *edev = netdev_priv(dev); 496 struct qed_link_output current_link; 497 struct qed_link_params params; 498 499 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 500 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 501 return -EOPNOTSUPP; 502 } 503 memset(¤t_link, 0, sizeof(current_link)); 504 memset(¶ms, 0, sizeof(params)); 505 edev->ops->common->get_link(edev->cdev, ¤t_link); 506 507 params.override_flags |= QED_LINK_OVERRIDE_SPEED_ADV_SPEEDS; 508 params.override_flags |= QED_LINK_OVERRIDE_SPEED_AUTONEG; 509 if (base->autoneg == AUTONEG_ENABLE) { 510 if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) { 511 DP_INFO(edev, "Auto negotiation is not supported\n"); 512 return -EOPNOTSUPP; 513 } 514 515 params.autoneg = true; 516 params.forced_speed = 0; 517 QEDE_ETHTOOL_TO_DRV_CAPS(params.adv_speeds, cmd, advertising) 518 } else { /* forced speed */ 519 params.override_flags |= QED_LINK_OVERRIDE_SPEED_FORCED_SPEED; 520 params.autoneg = false; 521 params.forced_speed = base->speed; 522 switch (base->speed) { 523 case SPEED_1000: 524 if (!(current_link.supported_caps & 525 QED_LM_1000baseT_Full_BIT)) { 526 DP_INFO(edev, "1G speed not supported\n"); 527 return -EINVAL; 528 } 529 params.adv_speeds = QED_LM_1000baseT_Full_BIT; 530 break; 531 case SPEED_10000: 532 if (!(current_link.supported_caps & 533 QED_LM_10000baseKR_Full_BIT)) { 534 DP_INFO(edev, "10G speed not supported\n"); 535 return -EINVAL; 536 } 537 params.adv_speeds = QED_LM_10000baseKR_Full_BIT; 538 break; 539 case SPEED_20000: 540 if (!(current_link.supported_caps & 541 QED_LM_20000baseKR2_Full_BIT)) { 542 DP_INFO(edev, "20G speed not supported\n"); 543 return -EINVAL; 544 } 545 params.adv_speeds = QED_LM_20000baseKR2_Full_BIT; 546 break; 547 case SPEED_25000: 548 if (!(current_link.supported_caps & 549 QED_LM_25000baseKR_Full_BIT)) { 550 DP_INFO(edev, "25G speed not supported\n"); 551 return -EINVAL; 552 } 553 params.adv_speeds = QED_LM_25000baseKR_Full_BIT; 554 break; 555 case SPEED_40000: 556 if (!(current_link.supported_caps & 557 QED_LM_40000baseLR4_Full_BIT)) { 558 DP_INFO(edev, "40G speed not supported\n"); 559 return -EINVAL; 560 } 561 params.adv_speeds = QED_LM_40000baseLR4_Full_BIT; 562 break; 563 case SPEED_50000: 564 if (!(current_link.supported_caps & 565 QED_LM_50000baseKR2_Full_BIT)) { 566 DP_INFO(edev, "50G speed not supported\n"); 567 return -EINVAL; 568 } 569 params.adv_speeds = QED_LM_50000baseKR2_Full_BIT; 570 break; 571 case SPEED_100000: 572 if (!(current_link.supported_caps & 573 QED_LM_100000baseKR4_Full_BIT)) { 574 DP_INFO(edev, "100G speed not supported\n"); 575 return -EINVAL; 576 } 577 params.adv_speeds = QED_LM_100000baseKR4_Full_BIT; 578 break; 579 default: 580 DP_INFO(edev, "Unsupported speed %u\n", base->speed); 581 return -EINVAL; 582 } 583 } 584 585 params.link_up = true; 586 edev->ops->common->set_link(edev->cdev, ¶ms); 587 588 return 0; 589 } 590 591 static void qede_get_drvinfo(struct net_device *ndev, 592 struct ethtool_drvinfo *info) 593 { 594 char mfw[ETHTOOL_FWVERS_LEN], storm[ETHTOOL_FWVERS_LEN]; 595 struct qede_dev *edev = netdev_priv(ndev); 596 597 strlcpy(info->driver, "qede", sizeof(info->driver)); 598 strlcpy(info->version, DRV_MODULE_VERSION, sizeof(info->version)); 599 600 snprintf(storm, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d", 601 edev->dev_info.common.fw_major, 602 edev->dev_info.common.fw_minor, 603 edev->dev_info.common.fw_rev, 604 edev->dev_info.common.fw_eng); 605 606 snprintf(mfw, ETHTOOL_FWVERS_LEN, "%d.%d.%d.%d", 607 (edev->dev_info.common.mfw_rev >> 24) & 0xFF, 608 (edev->dev_info.common.mfw_rev >> 16) & 0xFF, 609 (edev->dev_info.common.mfw_rev >> 8) & 0xFF, 610 edev->dev_info.common.mfw_rev & 0xFF); 611 612 if ((strlen(storm) + strlen(mfw) + strlen("mfw storm ")) < 613 sizeof(info->fw_version)) { 614 snprintf(info->fw_version, sizeof(info->fw_version), 615 "mfw %s storm %s", mfw, storm); 616 } else { 617 snprintf(info->fw_version, sizeof(info->fw_version), 618 "%s %s", mfw, storm); 619 } 620 621 strlcpy(info->bus_info, pci_name(edev->pdev), sizeof(info->bus_info)); 622 } 623 624 static void qede_get_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 625 { 626 struct qede_dev *edev = netdev_priv(ndev); 627 628 if (edev->dev_info.common.wol_support) { 629 wol->supported = WAKE_MAGIC; 630 wol->wolopts = edev->wol_enabled ? WAKE_MAGIC : 0; 631 } 632 } 633 634 static int qede_set_wol(struct net_device *ndev, struct ethtool_wolinfo *wol) 635 { 636 struct qede_dev *edev = netdev_priv(ndev); 637 bool wol_requested; 638 int rc; 639 640 if (wol->wolopts & ~WAKE_MAGIC) { 641 DP_INFO(edev, 642 "Can't support WoL options other than magic-packet\n"); 643 return -EINVAL; 644 } 645 646 wol_requested = !!(wol->wolopts & WAKE_MAGIC); 647 if (wol_requested == edev->wol_enabled) 648 return 0; 649 650 /* Need to actually change configuration */ 651 if (!edev->dev_info.common.wol_support) { 652 DP_INFO(edev, "Device doesn't support WoL\n"); 653 return -EINVAL; 654 } 655 656 rc = edev->ops->common->update_wol(edev->cdev, wol_requested); 657 if (!rc) 658 edev->wol_enabled = wol_requested; 659 660 return rc; 661 } 662 663 static u32 qede_get_msglevel(struct net_device *ndev) 664 { 665 struct qede_dev *edev = netdev_priv(ndev); 666 667 return ((u32)edev->dp_level << QED_LOG_LEVEL_SHIFT) | edev->dp_module; 668 } 669 670 static void qede_set_msglevel(struct net_device *ndev, u32 level) 671 { 672 struct qede_dev *edev = netdev_priv(ndev); 673 u32 dp_module = 0; 674 u8 dp_level = 0; 675 676 qede_config_debug(level, &dp_module, &dp_level); 677 678 edev->dp_level = dp_level; 679 edev->dp_module = dp_module; 680 edev->ops->common->update_msglvl(edev->cdev, 681 dp_module, dp_level); 682 } 683 684 static int qede_nway_reset(struct net_device *dev) 685 { 686 struct qede_dev *edev = netdev_priv(dev); 687 struct qed_link_output current_link; 688 struct qed_link_params link_params; 689 690 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 691 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 692 return -EOPNOTSUPP; 693 } 694 695 if (!netif_running(dev)) 696 return 0; 697 698 memset(¤t_link, 0, sizeof(current_link)); 699 edev->ops->common->get_link(edev->cdev, ¤t_link); 700 if (!current_link.link_up) 701 return 0; 702 703 /* Toggle the link */ 704 memset(&link_params, 0, sizeof(link_params)); 705 link_params.link_up = false; 706 edev->ops->common->set_link(edev->cdev, &link_params); 707 link_params.link_up = true; 708 edev->ops->common->set_link(edev->cdev, &link_params); 709 710 return 0; 711 } 712 713 static u32 qede_get_link(struct net_device *dev) 714 { 715 struct qede_dev *edev = netdev_priv(dev); 716 struct qed_link_output current_link; 717 718 memset(¤t_link, 0, sizeof(current_link)); 719 edev->ops->common->get_link(edev->cdev, ¤t_link); 720 721 return current_link.link_up; 722 } 723 724 static int qede_flash_device(struct net_device *dev, 725 struct ethtool_flash *flash) 726 { 727 struct qede_dev *edev = netdev_priv(dev); 728 729 return edev->ops->common->nvm_flash(edev->cdev, flash->data); 730 } 731 732 static int qede_get_coalesce(struct net_device *dev, 733 struct ethtool_coalesce *coal) 734 { 735 void *rx_handle = NULL, *tx_handle = NULL; 736 struct qede_dev *edev = netdev_priv(dev); 737 u16 rx_coal, tx_coal, i, rc = 0; 738 struct qede_fastpath *fp; 739 740 rx_coal = QED_DEFAULT_RX_USECS; 741 tx_coal = QED_DEFAULT_TX_USECS; 742 743 memset(coal, 0, sizeof(struct ethtool_coalesce)); 744 745 __qede_lock(edev); 746 if (edev->state == QEDE_STATE_OPEN) { 747 for_each_queue(i) { 748 fp = &edev->fp_array[i]; 749 750 if (fp->type & QEDE_FASTPATH_RX) { 751 rx_handle = fp->rxq->handle; 752 break; 753 } 754 } 755 756 rc = edev->ops->get_coalesce(edev->cdev, &rx_coal, rx_handle); 757 if (rc) { 758 DP_INFO(edev, "Read Rx coalesce error\n"); 759 goto out; 760 } 761 762 for_each_queue(i) { 763 struct qede_tx_queue *txq; 764 765 fp = &edev->fp_array[i]; 766 767 /* All TX queues of given fastpath uses same 768 * coalescing value, so no need to iterate over 769 * all TCs, TC0 txq should suffice. 770 */ 771 if (fp->type & QEDE_FASTPATH_TX) { 772 txq = QEDE_FP_TC0_TXQ(fp); 773 tx_handle = txq->handle; 774 break; 775 } 776 } 777 778 rc = edev->ops->get_coalesce(edev->cdev, &tx_coal, tx_handle); 779 if (rc) 780 DP_INFO(edev, "Read Tx coalesce error\n"); 781 } 782 783 out: 784 __qede_unlock(edev); 785 786 coal->rx_coalesce_usecs = rx_coal; 787 coal->tx_coalesce_usecs = tx_coal; 788 789 return rc; 790 } 791 792 static int qede_set_coalesce(struct net_device *dev, 793 struct ethtool_coalesce *coal) 794 { 795 struct qede_dev *edev = netdev_priv(dev); 796 struct qede_fastpath *fp; 797 int i, rc = 0; 798 u16 rxc, txc; 799 800 if (!netif_running(dev)) { 801 DP_INFO(edev, "Interface is down\n"); 802 return -EINVAL; 803 } 804 805 if (coal->rx_coalesce_usecs > QED_COALESCE_MAX || 806 coal->tx_coalesce_usecs > QED_COALESCE_MAX) { 807 DP_INFO(edev, 808 "Can't support requested %s coalesce value [max supported value %d]\n", 809 coal->rx_coalesce_usecs > QED_COALESCE_MAX ? "rx" : 810 "tx", QED_COALESCE_MAX); 811 return -EINVAL; 812 } 813 814 rxc = (u16)coal->rx_coalesce_usecs; 815 txc = (u16)coal->tx_coalesce_usecs; 816 for_each_queue(i) { 817 fp = &edev->fp_array[i]; 818 819 if (edev->fp_array[i].type & QEDE_FASTPATH_RX) { 820 rc = edev->ops->common->set_coalesce(edev->cdev, 821 rxc, 0, 822 fp->rxq->handle); 823 if (rc) { 824 DP_INFO(edev, 825 "Set RX coalesce error, rc = %d\n", rc); 826 return rc; 827 } 828 } 829 830 if (edev->fp_array[i].type & QEDE_FASTPATH_TX) { 831 struct qede_tx_queue *txq; 832 833 /* All TX queues of given fastpath uses same 834 * coalescing value, so no need to iterate over 835 * all TCs, TC0 txq should suffice. 836 */ 837 txq = QEDE_FP_TC0_TXQ(fp); 838 839 rc = edev->ops->common->set_coalesce(edev->cdev, 840 0, txc, 841 txq->handle); 842 if (rc) { 843 DP_INFO(edev, 844 "Set TX coalesce error, rc = %d\n", rc); 845 return rc; 846 } 847 } 848 } 849 850 return rc; 851 } 852 853 static void qede_get_ringparam(struct net_device *dev, 854 struct ethtool_ringparam *ering) 855 { 856 struct qede_dev *edev = netdev_priv(dev); 857 858 ering->rx_max_pending = NUM_RX_BDS_MAX; 859 ering->rx_pending = edev->q_num_rx_buffers; 860 ering->tx_max_pending = NUM_TX_BDS_MAX; 861 ering->tx_pending = edev->q_num_tx_buffers; 862 } 863 864 static int qede_set_ringparam(struct net_device *dev, 865 struct ethtool_ringparam *ering) 866 { 867 struct qede_dev *edev = netdev_priv(dev); 868 869 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 870 "Set ring params command parameters: rx_pending = %d, tx_pending = %d\n", 871 ering->rx_pending, ering->tx_pending); 872 873 /* Validate legality of configuration */ 874 if (ering->rx_pending > NUM_RX_BDS_MAX || 875 ering->rx_pending < NUM_RX_BDS_MIN || 876 ering->tx_pending > NUM_TX_BDS_MAX || 877 ering->tx_pending < NUM_TX_BDS_MIN) { 878 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 879 "Can only support Rx Buffer size [0%08x,...,0x%08x] and Tx Buffer size [0x%08x,...,0x%08x]\n", 880 NUM_RX_BDS_MIN, NUM_RX_BDS_MAX, 881 NUM_TX_BDS_MIN, NUM_TX_BDS_MAX); 882 return -EINVAL; 883 } 884 885 /* Change ring size and re-load */ 886 edev->q_num_rx_buffers = ering->rx_pending; 887 edev->q_num_tx_buffers = ering->tx_pending; 888 889 qede_reload(edev, NULL, false); 890 891 return 0; 892 } 893 894 static void qede_get_pauseparam(struct net_device *dev, 895 struct ethtool_pauseparam *epause) 896 { 897 struct qede_dev *edev = netdev_priv(dev); 898 struct qed_link_output current_link; 899 900 memset(¤t_link, 0, sizeof(current_link)); 901 edev->ops->common->get_link(edev->cdev, ¤t_link); 902 903 if (current_link.pause_config & QED_LINK_PAUSE_AUTONEG_ENABLE) 904 epause->autoneg = true; 905 if (current_link.pause_config & QED_LINK_PAUSE_RX_ENABLE) 906 epause->rx_pause = true; 907 if (current_link.pause_config & QED_LINK_PAUSE_TX_ENABLE) 908 epause->tx_pause = true; 909 910 DP_VERBOSE(edev, QED_MSG_DEBUG, 911 "ethtool_pauseparam: cmd %d autoneg %d rx_pause %d tx_pause %d\n", 912 epause->cmd, epause->autoneg, epause->rx_pause, 913 epause->tx_pause); 914 } 915 916 static int qede_set_pauseparam(struct net_device *dev, 917 struct ethtool_pauseparam *epause) 918 { 919 struct qede_dev *edev = netdev_priv(dev); 920 struct qed_link_params params; 921 struct qed_link_output current_link; 922 923 if (!edev->ops || !edev->ops->common->can_link_change(edev->cdev)) { 924 DP_INFO(edev, 925 "Pause settings are not allowed to be changed\n"); 926 return -EOPNOTSUPP; 927 } 928 929 memset(¤t_link, 0, sizeof(current_link)); 930 edev->ops->common->get_link(edev->cdev, ¤t_link); 931 932 memset(¶ms, 0, sizeof(params)); 933 params.override_flags |= QED_LINK_OVERRIDE_PAUSE_CONFIG; 934 if (epause->autoneg) { 935 if (!(current_link.supported_caps & QED_LM_Autoneg_BIT)) { 936 DP_INFO(edev, "autoneg not supported\n"); 937 return -EINVAL; 938 } 939 params.pause_config |= QED_LINK_PAUSE_AUTONEG_ENABLE; 940 } 941 if (epause->rx_pause) 942 params.pause_config |= QED_LINK_PAUSE_RX_ENABLE; 943 if (epause->tx_pause) 944 params.pause_config |= QED_LINK_PAUSE_TX_ENABLE; 945 946 params.link_up = true; 947 edev->ops->common->set_link(edev->cdev, ¶ms); 948 949 return 0; 950 } 951 952 static void qede_get_regs(struct net_device *ndev, 953 struct ethtool_regs *regs, void *buffer) 954 { 955 struct qede_dev *edev = netdev_priv(ndev); 956 957 regs->version = 0; 958 memset(buffer, 0, regs->len); 959 960 if (edev->ops && edev->ops->common) 961 edev->ops->common->dbg_all_data(edev->cdev, buffer); 962 } 963 964 static int qede_get_regs_len(struct net_device *ndev) 965 { 966 struct qede_dev *edev = netdev_priv(ndev); 967 968 if (edev->ops && edev->ops->common) 969 return edev->ops->common->dbg_all_data_size(edev->cdev); 970 else 971 return -EINVAL; 972 } 973 974 static void qede_update_mtu(struct qede_dev *edev, 975 struct qede_reload_args *args) 976 { 977 edev->ndev->mtu = args->u.mtu; 978 } 979 980 /* Netdevice NDOs */ 981 int qede_change_mtu(struct net_device *ndev, int new_mtu) 982 { 983 struct qede_dev *edev = netdev_priv(ndev); 984 struct qede_reload_args args; 985 986 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 987 "Configuring MTU size of %d\n", new_mtu); 988 989 if (new_mtu > PAGE_SIZE) 990 ndev->features &= ~NETIF_F_GRO_HW; 991 992 /* Set the mtu field and re-start the interface if needed */ 993 args.u.mtu = new_mtu; 994 args.func = &qede_update_mtu; 995 qede_reload(edev, &args, false); 996 997 edev->ops->common->update_mtu(edev->cdev, new_mtu); 998 999 return 0; 1000 } 1001 1002 static void qede_get_channels(struct net_device *dev, 1003 struct ethtool_channels *channels) 1004 { 1005 struct qede_dev *edev = netdev_priv(dev); 1006 1007 channels->max_combined = QEDE_MAX_RSS_CNT(edev); 1008 channels->max_rx = QEDE_MAX_RSS_CNT(edev); 1009 channels->max_tx = QEDE_MAX_RSS_CNT(edev); 1010 channels->combined_count = QEDE_QUEUE_CNT(edev) - edev->fp_num_tx - 1011 edev->fp_num_rx; 1012 channels->tx_count = edev->fp_num_tx; 1013 channels->rx_count = edev->fp_num_rx; 1014 } 1015 1016 static int qede_set_channels(struct net_device *dev, 1017 struct ethtool_channels *channels) 1018 { 1019 struct qede_dev *edev = netdev_priv(dev); 1020 u32 count; 1021 1022 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1023 "set-channels command parameters: rx = %d, tx = %d, other = %d, combined = %d\n", 1024 channels->rx_count, channels->tx_count, 1025 channels->other_count, channels->combined_count); 1026 1027 count = channels->rx_count + channels->tx_count + 1028 channels->combined_count; 1029 1030 /* We don't support `other' channels */ 1031 if (channels->other_count) { 1032 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1033 "command parameters not supported\n"); 1034 return -EINVAL; 1035 } 1036 1037 if (!(channels->combined_count || (channels->rx_count && 1038 channels->tx_count))) { 1039 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1040 "need to request at least one transmit and one receive channel\n"); 1041 return -EINVAL; 1042 } 1043 1044 if (count > QEDE_MAX_RSS_CNT(edev)) { 1045 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1046 "requested channels = %d max supported channels = %d\n", 1047 count, QEDE_MAX_RSS_CNT(edev)); 1048 return -EINVAL; 1049 } 1050 1051 /* Check if there was a change in the active parameters */ 1052 if ((count == QEDE_QUEUE_CNT(edev)) && 1053 (channels->tx_count == edev->fp_num_tx) && 1054 (channels->rx_count == edev->fp_num_rx)) { 1055 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1056 "No change in active parameters\n"); 1057 return 0; 1058 } 1059 1060 /* We need the number of queues to be divisible between the hwfns */ 1061 if ((count % edev->dev_info.common.num_hwfns) || 1062 (channels->tx_count % edev->dev_info.common.num_hwfns) || 1063 (channels->rx_count % edev->dev_info.common.num_hwfns)) { 1064 DP_VERBOSE(edev, (NETIF_MSG_IFUP | NETIF_MSG_IFDOWN), 1065 "Number of channels must be divisible by %04x\n", 1066 edev->dev_info.common.num_hwfns); 1067 return -EINVAL; 1068 } 1069 1070 /* Set number of queues and reload if necessary */ 1071 edev->req_queues = count; 1072 edev->req_num_tx = channels->tx_count; 1073 edev->req_num_rx = channels->rx_count; 1074 /* Reset the indirection table if rx queue count is updated */ 1075 if ((edev->req_queues - edev->req_num_tx) != QEDE_RSS_COUNT(edev)) { 1076 edev->rss_params_inited &= ~QEDE_RSS_INDIR_INITED; 1077 memset(edev->rss_ind_table, 0, sizeof(edev->rss_ind_table)); 1078 } 1079 1080 qede_reload(edev, NULL, false); 1081 1082 return 0; 1083 } 1084 1085 static int qede_get_ts_info(struct net_device *dev, 1086 struct ethtool_ts_info *info) 1087 { 1088 struct qede_dev *edev = netdev_priv(dev); 1089 1090 return qede_ptp_get_ts_info(edev, info); 1091 } 1092 1093 static int qede_set_phys_id(struct net_device *dev, 1094 enum ethtool_phys_id_state state) 1095 { 1096 struct qede_dev *edev = netdev_priv(dev); 1097 u8 led_state = 0; 1098 1099 switch (state) { 1100 case ETHTOOL_ID_ACTIVE: 1101 return 1; /* cycle on/off once per second */ 1102 1103 case ETHTOOL_ID_ON: 1104 led_state = QED_LED_MODE_ON; 1105 break; 1106 1107 case ETHTOOL_ID_OFF: 1108 led_state = QED_LED_MODE_OFF; 1109 break; 1110 1111 case ETHTOOL_ID_INACTIVE: 1112 led_state = QED_LED_MODE_RESTORE; 1113 break; 1114 } 1115 1116 edev->ops->common->set_led(edev->cdev, led_state); 1117 1118 return 0; 1119 } 1120 1121 static int qede_get_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info) 1122 { 1123 info->data = RXH_IP_SRC | RXH_IP_DST; 1124 1125 switch (info->flow_type) { 1126 case TCP_V4_FLOW: 1127 case TCP_V6_FLOW: 1128 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1129 break; 1130 case UDP_V4_FLOW: 1131 if (edev->rss_caps & QED_RSS_IPV4_UDP) 1132 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1133 break; 1134 case UDP_V6_FLOW: 1135 if (edev->rss_caps & QED_RSS_IPV6_UDP) 1136 info->data |= RXH_L4_B_0_1 | RXH_L4_B_2_3; 1137 break; 1138 case IPV4_FLOW: 1139 case IPV6_FLOW: 1140 break; 1141 default: 1142 info->data = 0; 1143 break; 1144 } 1145 1146 return 0; 1147 } 1148 1149 static int qede_get_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info, 1150 u32 *rule_locs) 1151 { 1152 struct qede_dev *edev = netdev_priv(dev); 1153 int rc = 0; 1154 1155 switch (info->cmd) { 1156 case ETHTOOL_GRXRINGS: 1157 info->data = QEDE_RSS_COUNT(edev); 1158 break; 1159 case ETHTOOL_GRXFH: 1160 rc = qede_get_rss_flags(edev, info); 1161 break; 1162 case ETHTOOL_GRXCLSRLCNT: 1163 info->rule_cnt = qede_get_arfs_filter_count(edev); 1164 info->data = QEDE_RFS_MAX_FLTR; 1165 break; 1166 case ETHTOOL_GRXCLSRULE: 1167 rc = qede_get_cls_rule_entry(edev, info); 1168 break; 1169 case ETHTOOL_GRXCLSRLALL: 1170 rc = qede_get_cls_rule_all(edev, info, rule_locs); 1171 break; 1172 default: 1173 DP_ERR(edev, "Command parameters not supported\n"); 1174 rc = -EOPNOTSUPP; 1175 } 1176 1177 return rc; 1178 } 1179 1180 static int qede_set_rss_flags(struct qede_dev *edev, struct ethtool_rxnfc *info) 1181 { 1182 struct qed_update_vport_params *vport_update_params; 1183 u8 set_caps = 0, clr_caps = 0; 1184 int rc = 0; 1185 1186 DP_VERBOSE(edev, QED_MSG_DEBUG, 1187 "Set rss flags command parameters: flow type = %d, data = %llu\n", 1188 info->flow_type, info->data); 1189 1190 switch (info->flow_type) { 1191 case TCP_V4_FLOW: 1192 case TCP_V6_FLOW: 1193 /* For TCP only 4-tuple hash is supported */ 1194 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST | 1195 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1196 DP_INFO(edev, "Command parameters not supported\n"); 1197 return -EINVAL; 1198 } 1199 return 0; 1200 case UDP_V4_FLOW: 1201 /* For UDP either 2-tuple hash or 4-tuple hash is supported */ 1202 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 1203 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1204 set_caps = QED_RSS_IPV4_UDP; 1205 DP_VERBOSE(edev, QED_MSG_DEBUG, 1206 "UDP 4-tuple enabled\n"); 1207 } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) { 1208 clr_caps = QED_RSS_IPV4_UDP; 1209 DP_VERBOSE(edev, QED_MSG_DEBUG, 1210 "UDP 4-tuple disabled\n"); 1211 } else { 1212 return -EINVAL; 1213 } 1214 break; 1215 case UDP_V6_FLOW: 1216 /* For UDP either 2-tuple hash or 4-tuple hash is supported */ 1217 if (info->data == (RXH_IP_SRC | RXH_IP_DST | 1218 RXH_L4_B_0_1 | RXH_L4_B_2_3)) { 1219 set_caps = QED_RSS_IPV6_UDP; 1220 DP_VERBOSE(edev, QED_MSG_DEBUG, 1221 "UDP 4-tuple enabled\n"); 1222 } else if (info->data == (RXH_IP_SRC | RXH_IP_DST)) { 1223 clr_caps = QED_RSS_IPV6_UDP; 1224 DP_VERBOSE(edev, QED_MSG_DEBUG, 1225 "UDP 4-tuple disabled\n"); 1226 } else { 1227 return -EINVAL; 1228 } 1229 break; 1230 case IPV4_FLOW: 1231 case IPV6_FLOW: 1232 /* For IP only 2-tuple hash is supported */ 1233 if (info->data ^ (RXH_IP_SRC | RXH_IP_DST)) { 1234 DP_INFO(edev, "Command parameters not supported\n"); 1235 return -EINVAL; 1236 } 1237 return 0; 1238 case SCTP_V4_FLOW: 1239 case AH_ESP_V4_FLOW: 1240 case AH_V4_FLOW: 1241 case ESP_V4_FLOW: 1242 case SCTP_V6_FLOW: 1243 case AH_ESP_V6_FLOW: 1244 case AH_V6_FLOW: 1245 case ESP_V6_FLOW: 1246 case IP_USER_FLOW: 1247 case ETHER_FLOW: 1248 /* RSS is not supported for these protocols */ 1249 if (info->data) { 1250 DP_INFO(edev, "Command parameters not supported\n"); 1251 return -EINVAL; 1252 } 1253 return 0; 1254 default: 1255 return -EINVAL; 1256 } 1257 1258 /* No action is needed if there is no change in the rss capability */ 1259 if (edev->rss_caps == ((edev->rss_caps & ~clr_caps) | set_caps)) 1260 return 0; 1261 1262 /* Update internal configuration */ 1263 edev->rss_caps = ((edev->rss_caps & ~clr_caps) | set_caps); 1264 edev->rss_params_inited |= QEDE_RSS_CAPS_INITED; 1265 1266 /* Re-configure if possible */ 1267 __qede_lock(edev); 1268 if (edev->state == QEDE_STATE_OPEN) { 1269 vport_update_params = vzalloc(sizeof(*vport_update_params)); 1270 if (!vport_update_params) { 1271 __qede_unlock(edev); 1272 return -ENOMEM; 1273 } 1274 qede_fill_rss_params(edev, &vport_update_params->rss_params, 1275 &vport_update_params->update_rss_flg); 1276 rc = edev->ops->vport_update(edev->cdev, vport_update_params); 1277 vfree(vport_update_params); 1278 } 1279 __qede_unlock(edev); 1280 1281 return rc; 1282 } 1283 1284 static int qede_set_rxnfc(struct net_device *dev, struct ethtool_rxnfc *info) 1285 { 1286 struct qede_dev *edev = netdev_priv(dev); 1287 int rc; 1288 1289 switch (info->cmd) { 1290 case ETHTOOL_SRXFH: 1291 rc = qede_set_rss_flags(edev, info); 1292 break; 1293 case ETHTOOL_SRXCLSRLINS: 1294 rc = qede_add_cls_rule(edev, info); 1295 break; 1296 case ETHTOOL_SRXCLSRLDEL: 1297 rc = qede_delete_flow_filter(edev, info->fs.location); 1298 break; 1299 default: 1300 DP_INFO(edev, "Command parameters not supported\n"); 1301 rc = -EOPNOTSUPP; 1302 } 1303 1304 return rc; 1305 } 1306 1307 static u32 qede_get_rxfh_indir_size(struct net_device *dev) 1308 { 1309 return QED_RSS_IND_TABLE_SIZE; 1310 } 1311 1312 static u32 qede_get_rxfh_key_size(struct net_device *dev) 1313 { 1314 struct qede_dev *edev = netdev_priv(dev); 1315 1316 return sizeof(edev->rss_key); 1317 } 1318 1319 static int qede_get_rxfh(struct net_device *dev, u32 *indir, u8 *key, u8 *hfunc) 1320 { 1321 struct qede_dev *edev = netdev_priv(dev); 1322 int i; 1323 1324 if (hfunc) 1325 *hfunc = ETH_RSS_HASH_TOP; 1326 1327 if (!indir) 1328 return 0; 1329 1330 for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) 1331 indir[i] = edev->rss_ind_table[i]; 1332 1333 if (key) 1334 memcpy(key, edev->rss_key, qede_get_rxfh_key_size(dev)); 1335 1336 return 0; 1337 } 1338 1339 static int qede_set_rxfh(struct net_device *dev, const u32 *indir, 1340 const u8 *key, const u8 hfunc) 1341 { 1342 struct qed_update_vport_params *vport_update_params; 1343 struct qede_dev *edev = netdev_priv(dev); 1344 int i, rc = 0; 1345 1346 if (edev->dev_info.common.num_hwfns > 1) { 1347 DP_INFO(edev, 1348 "RSS configuration is not supported for 100G devices\n"); 1349 return -EOPNOTSUPP; 1350 } 1351 1352 if (hfunc != ETH_RSS_HASH_NO_CHANGE && hfunc != ETH_RSS_HASH_TOP) 1353 return -EOPNOTSUPP; 1354 1355 if (!indir && !key) 1356 return 0; 1357 1358 if (indir) { 1359 for (i = 0; i < QED_RSS_IND_TABLE_SIZE; i++) 1360 edev->rss_ind_table[i] = indir[i]; 1361 edev->rss_params_inited |= QEDE_RSS_INDIR_INITED; 1362 } 1363 1364 if (key) { 1365 memcpy(&edev->rss_key, key, qede_get_rxfh_key_size(dev)); 1366 edev->rss_params_inited |= QEDE_RSS_KEY_INITED; 1367 } 1368 1369 __qede_lock(edev); 1370 if (edev->state == QEDE_STATE_OPEN) { 1371 vport_update_params = vzalloc(sizeof(*vport_update_params)); 1372 if (!vport_update_params) { 1373 __qede_unlock(edev); 1374 return -ENOMEM; 1375 } 1376 qede_fill_rss_params(edev, &vport_update_params->rss_params, 1377 &vport_update_params->update_rss_flg); 1378 rc = edev->ops->vport_update(edev->cdev, vport_update_params); 1379 vfree(vport_update_params); 1380 } 1381 __qede_unlock(edev); 1382 1383 return rc; 1384 } 1385 1386 /* This function enables the interrupt generation and the NAPI on the device */ 1387 static void qede_netif_start(struct qede_dev *edev) 1388 { 1389 int i; 1390 1391 if (!netif_running(edev->ndev)) 1392 return; 1393 1394 for_each_queue(i) { 1395 /* Update and reenable interrupts */ 1396 qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_ENABLE, 1); 1397 napi_enable(&edev->fp_array[i].napi); 1398 } 1399 } 1400 1401 /* This function disables the NAPI and the interrupt generation on the device */ 1402 static void qede_netif_stop(struct qede_dev *edev) 1403 { 1404 int i; 1405 1406 for_each_queue(i) { 1407 napi_disable(&edev->fp_array[i].napi); 1408 /* Disable interrupts */ 1409 qed_sb_ack(edev->fp_array[i].sb_info, IGU_INT_DISABLE, 0); 1410 } 1411 } 1412 1413 static int qede_selftest_transmit_traffic(struct qede_dev *edev, 1414 struct sk_buff *skb) 1415 { 1416 struct qede_tx_queue *txq = NULL; 1417 struct eth_tx_1st_bd *first_bd; 1418 dma_addr_t mapping; 1419 int i, idx; 1420 u16 val; 1421 1422 for_each_queue(i) { 1423 struct qede_fastpath *fp = &edev->fp_array[i]; 1424 1425 if (fp->type & QEDE_FASTPATH_TX) { 1426 txq = QEDE_FP_TC0_TXQ(fp); 1427 break; 1428 } 1429 } 1430 1431 if (!txq) { 1432 DP_NOTICE(edev, "Tx path is not available\n"); 1433 return -1; 1434 } 1435 1436 /* Fill the entry in the SW ring and the BDs in the FW ring */ 1437 idx = txq->sw_tx_prod; 1438 txq->sw_tx_ring.skbs[idx].skb = skb; 1439 first_bd = qed_chain_produce(&txq->tx_pbl); 1440 memset(first_bd, 0, sizeof(*first_bd)); 1441 val = 1 << ETH_TX_1ST_BD_FLAGS_START_BD_SHIFT; 1442 first_bd->data.bd_flags.bitfields = val; 1443 val = skb->len & ETH_TX_DATA_1ST_BD_PKT_LEN_MASK; 1444 val = val << ETH_TX_DATA_1ST_BD_PKT_LEN_SHIFT; 1445 first_bd->data.bitfields |= cpu_to_le16(val); 1446 1447 /* Map skb linear data for DMA and set in the first BD */ 1448 mapping = dma_map_single(&edev->pdev->dev, skb->data, 1449 skb_headlen(skb), DMA_TO_DEVICE); 1450 if (unlikely(dma_mapping_error(&edev->pdev->dev, mapping))) { 1451 DP_NOTICE(edev, "SKB mapping failed\n"); 1452 return -ENOMEM; 1453 } 1454 BD_SET_UNMAP_ADDR_LEN(first_bd, mapping, skb_headlen(skb)); 1455 1456 /* update the first BD with the actual num BDs */ 1457 first_bd->data.nbds = 1; 1458 txq->sw_tx_prod = (txq->sw_tx_prod + 1) % txq->num_tx_buffers; 1459 /* 'next page' entries are counted in the producer value */ 1460 val = qed_chain_get_prod_idx(&txq->tx_pbl); 1461 txq->tx_db.data.bd_prod = cpu_to_le16(val); 1462 1463 /* wmb makes sure that the BDs data is updated before updating the 1464 * producer, otherwise FW may read old data from the BDs. 1465 */ 1466 wmb(); 1467 barrier(); 1468 writel(txq->tx_db.raw, txq->doorbell_addr); 1469 1470 /* mmiowb is needed to synchronize doorbell writes from more than one 1471 * processor. It guarantees that the write arrives to the device before 1472 * the queue lock is released and another start_xmit is called (possibly 1473 * on another CPU). Without this barrier, the next doorbell can bypass 1474 * this doorbell. This is applicable to IA64/Altix systems. 1475 */ 1476 mmiowb(); 1477 1478 for (i = 0; i < QEDE_SELFTEST_POLL_COUNT; i++) { 1479 if (qede_txq_has_work(txq)) 1480 break; 1481 usleep_range(100, 200); 1482 } 1483 1484 if (!qede_txq_has_work(txq)) { 1485 DP_NOTICE(edev, "Tx completion didn't happen\n"); 1486 return -1; 1487 } 1488 1489 first_bd = (struct eth_tx_1st_bd *)qed_chain_consume(&txq->tx_pbl); 1490 dma_unmap_single(&edev->pdev->dev, BD_UNMAP_ADDR(first_bd), 1491 BD_UNMAP_LEN(first_bd), DMA_TO_DEVICE); 1492 txq->sw_tx_cons = (txq->sw_tx_cons + 1) % txq->num_tx_buffers; 1493 txq->sw_tx_ring.skbs[idx].skb = NULL; 1494 1495 return 0; 1496 } 1497 1498 static int qede_selftest_receive_traffic(struct qede_dev *edev) 1499 { 1500 u16 hw_comp_cons, sw_comp_cons, sw_rx_index, len; 1501 struct eth_fast_path_rx_reg_cqe *fp_cqe; 1502 struct qede_rx_queue *rxq = NULL; 1503 struct sw_rx_data *sw_rx_data; 1504 union eth_rx_cqe *cqe; 1505 int i, iter, rc = 0; 1506 u8 *data_ptr; 1507 1508 for_each_queue(i) { 1509 if (edev->fp_array[i].type & QEDE_FASTPATH_RX) { 1510 rxq = edev->fp_array[i].rxq; 1511 break; 1512 } 1513 } 1514 1515 if (!rxq) { 1516 DP_NOTICE(edev, "Rx path is not available\n"); 1517 return -1; 1518 } 1519 1520 /* The packet is expected to receive on rx-queue 0 even though RSS is 1521 * enabled. This is because the queue 0 is configured as the default 1522 * queue and that the loopback traffic is not IP. 1523 */ 1524 for (iter = 0; iter < QEDE_SELFTEST_POLL_COUNT; iter++) { 1525 if (!qede_has_rx_work(rxq)) { 1526 usleep_range(100, 200); 1527 continue; 1528 } 1529 1530 hw_comp_cons = le16_to_cpu(*rxq->hw_cons_ptr); 1531 sw_comp_cons = qed_chain_get_cons_idx(&rxq->rx_comp_ring); 1532 1533 /* Memory barrier to prevent the CPU from doing speculative 1534 * reads of CQE/BD before reading hw_comp_cons. If the CQE is 1535 * read before it is written by FW, then FW writes CQE and SB, 1536 * and then the CPU reads the hw_comp_cons, it will use an old 1537 * CQE. 1538 */ 1539 rmb(); 1540 1541 /* Get the CQE from the completion ring */ 1542 cqe = (union eth_rx_cqe *)qed_chain_consume(&rxq->rx_comp_ring); 1543 1544 /* Get the data from the SW ring */ 1545 sw_rx_index = rxq->sw_rx_cons & NUM_RX_BDS_MAX; 1546 sw_rx_data = &rxq->sw_rx_ring[sw_rx_index]; 1547 fp_cqe = &cqe->fast_path_regular; 1548 len = le16_to_cpu(fp_cqe->len_on_first_bd); 1549 data_ptr = (u8 *)(page_address(sw_rx_data->data) + 1550 fp_cqe->placement_offset + 1551 sw_rx_data->page_offset + 1552 rxq->rx_headroom); 1553 if (ether_addr_equal(data_ptr, edev->ndev->dev_addr) && 1554 ether_addr_equal(data_ptr + ETH_ALEN, 1555 edev->ndev->dev_addr)) { 1556 for (i = ETH_HLEN; i < len; i++) 1557 if (data_ptr[i] != (unsigned char)(i & 0xff)) { 1558 rc = -1; 1559 break; 1560 } 1561 1562 qede_recycle_rx_bd_ring(rxq, 1); 1563 qed_chain_recycle_consumed(&rxq->rx_comp_ring); 1564 break; 1565 } 1566 1567 DP_INFO(edev, "Not the transmitted packet\n"); 1568 qede_recycle_rx_bd_ring(rxq, 1); 1569 qed_chain_recycle_consumed(&rxq->rx_comp_ring); 1570 } 1571 1572 if (iter == QEDE_SELFTEST_POLL_COUNT) { 1573 DP_NOTICE(edev, "Failed to receive the traffic\n"); 1574 return -1; 1575 } 1576 1577 qede_update_rx_prod(edev, rxq); 1578 1579 return rc; 1580 } 1581 1582 static int qede_selftest_run_loopback(struct qede_dev *edev, u32 loopback_mode) 1583 { 1584 struct qed_link_params link_params; 1585 struct sk_buff *skb = NULL; 1586 int rc = 0, i; 1587 u32 pkt_size; 1588 u8 *packet; 1589 1590 if (!netif_running(edev->ndev)) { 1591 DP_NOTICE(edev, "Interface is down\n"); 1592 return -EINVAL; 1593 } 1594 1595 qede_netif_stop(edev); 1596 1597 /* Bring up the link in Loopback mode */ 1598 memset(&link_params, 0, sizeof(link_params)); 1599 link_params.link_up = true; 1600 link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE; 1601 link_params.loopback_mode = loopback_mode; 1602 edev->ops->common->set_link(edev->cdev, &link_params); 1603 1604 /* Wait for loopback configuration to apply */ 1605 msleep_interruptible(500); 1606 1607 /* prepare the loopback packet */ 1608 pkt_size = edev->ndev->mtu + ETH_HLEN; 1609 1610 skb = netdev_alloc_skb(edev->ndev, pkt_size); 1611 if (!skb) { 1612 DP_INFO(edev, "Can't allocate skb\n"); 1613 rc = -ENOMEM; 1614 goto test_loopback_exit; 1615 } 1616 packet = skb_put(skb, pkt_size); 1617 ether_addr_copy(packet, edev->ndev->dev_addr); 1618 ether_addr_copy(packet + ETH_ALEN, edev->ndev->dev_addr); 1619 memset(packet + (2 * ETH_ALEN), 0x77, (ETH_HLEN - (2 * ETH_ALEN))); 1620 for (i = ETH_HLEN; i < pkt_size; i++) 1621 packet[i] = (unsigned char)(i & 0xff); 1622 1623 rc = qede_selftest_transmit_traffic(edev, skb); 1624 if (rc) 1625 goto test_loopback_exit; 1626 1627 rc = qede_selftest_receive_traffic(edev); 1628 if (rc) 1629 goto test_loopback_exit; 1630 1631 DP_VERBOSE(edev, NETIF_MSG_RX_STATUS, "Loopback test successful\n"); 1632 1633 test_loopback_exit: 1634 dev_kfree_skb(skb); 1635 1636 /* Bring up the link in Normal mode */ 1637 memset(&link_params, 0, sizeof(link_params)); 1638 link_params.link_up = true; 1639 link_params.override_flags = QED_LINK_OVERRIDE_LOOPBACK_MODE; 1640 link_params.loopback_mode = QED_LINK_LOOPBACK_NONE; 1641 edev->ops->common->set_link(edev->cdev, &link_params); 1642 1643 /* Wait for loopback configuration to apply */ 1644 msleep_interruptible(500); 1645 1646 qede_netif_start(edev); 1647 1648 return rc; 1649 } 1650 1651 static void qede_self_test(struct net_device *dev, 1652 struct ethtool_test *etest, u64 *buf) 1653 { 1654 struct qede_dev *edev = netdev_priv(dev); 1655 1656 DP_VERBOSE(edev, QED_MSG_DEBUG, 1657 "Self-test command parameters: offline = %d, external_lb = %d\n", 1658 (etest->flags & ETH_TEST_FL_OFFLINE), 1659 (etest->flags & ETH_TEST_FL_EXTERNAL_LB) >> 2); 1660 1661 memset(buf, 0, sizeof(u64) * QEDE_ETHTOOL_TEST_MAX); 1662 1663 if (etest->flags & ETH_TEST_FL_OFFLINE) { 1664 if (qede_selftest_run_loopback(edev, 1665 QED_LINK_LOOPBACK_INT_PHY)) { 1666 buf[QEDE_ETHTOOL_INT_LOOPBACK] = 1; 1667 etest->flags |= ETH_TEST_FL_FAILED; 1668 } 1669 } 1670 1671 if (edev->ops->common->selftest->selftest_interrupt(edev->cdev)) { 1672 buf[QEDE_ETHTOOL_INTERRUPT_TEST] = 1; 1673 etest->flags |= ETH_TEST_FL_FAILED; 1674 } 1675 1676 if (edev->ops->common->selftest->selftest_memory(edev->cdev)) { 1677 buf[QEDE_ETHTOOL_MEMORY_TEST] = 1; 1678 etest->flags |= ETH_TEST_FL_FAILED; 1679 } 1680 1681 if (edev->ops->common->selftest->selftest_register(edev->cdev)) { 1682 buf[QEDE_ETHTOOL_REGISTER_TEST] = 1; 1683 etest->flags |= ETH_TEST_FL_FAILED; 1684 } 1685 1686 if (edev->ops->common->selftest->selftest_clock(edev->cdev)) { 1687 buf[QEDE_ETHTOOL_CLOCK_TEST] = 1; 1688 etest->flags |= ETH_TEST_FL_FAILED; 1689 } 1690 1691 if (edev->ops->common->selftest->selftest_nvram(edev->cdev)) { 1692 buf[QEDE_ETHTOOL_NVRAM_TEST] = 1; 1693 etest->flags |= ETH_TEST_FL_FAILED; 1694 } 1695 } 1696 1697 static int qede_set_tunable(struct net_device *dev, 1698 const struct ethtool_tunable *tuna, 1699 const void *data) 1700 { 1701 struct qede_dev *edev = netdev_priv(dev); 1702 u32 val; 1703 1704 switch (tuna->id) { 1705 case ETHTOOL_RX_COPYBREAK: 1706 val = *(u32 *)data; 1707 if (val < QEDE_MIN_PKT_LEN || val > QEDE_RX_HDR_SIZE) { 1708 DP_VERBOSE(edev, QED_MSG_DEBUG, 1709 "Invalid rx copy break value, range is [%u, %u]", 1710 QEDE_MIN_PKT_LEN, QEDE_RX_HDR_SIZE); 1711 return -EINVAL; 1712 } 1713 1714 edev->rx_copybreak = *(u32 *)data; 1715 break; 1716 default: 1717 return -EOPNOTSUPP; 1718 } 1719 1720 return 0; 1721 } 1722 1723 static int qede_get_tunable(struct net_device *dev, 1724 const struct ethtool_tunable *tuna, void *data) 1725 { 1726 struct qede_dev *edev = netdev_priv(dev); 1727 1728 switch (tuna->id) { 1729 case ETHTOOL_RX_COPYBREAK: 1730 *(u32 *)data = edev->rx_copybreak; 1731 break; 1732 default: 1733 return -EOPNOTSUPP; 1734 } 1735 1736 return 0; 1737 } 1738 1739 static int qede_get_eee(struct net_device *dev, struct ethtool_eee *edata) 1740 { 1741 struct qede_dev *edev = netdev_priv(dev); 1742 struct qed_link_output current_link; 1743 1744 memset(¤t_link, 0, sizeof(current_link)); 1745 edev->ops->common->get_link(edev->cdev, ¤t_link); 1746 1747 if (!current_link.eee_supported) { 1748 DP_INFO(edev, "EEE is not supported\n"); 1749 return -EOPNOTSUPP; 1750 } 1751 1752 if (current_link.eee.adv_caps & QED_EEE_1G_ADV) 1753 edata->advertised = ADVERTISED_1000baseT_Full; 1754 if (current_link.eee.adv_caps & QED_EEE_10G_ADV) 1755 edata->advertised |= ADVERTISED_10000baseT_Full; 1756 if (current_link.sup_caps & QED_EEE_1G_ADV) 1757 edata->supported = ADVERTISED_1000baseT_Full; 1758 if (current_link.sup_caps & QED_EEE_10G_ADV) 1759 edata->supported |= ADVERTISED_10000baseT_Full; 1760 if (current_link.eee.lp_adv_caps & QED_EEE_1G_ADV) 1761 edata->lp_advertised = ADVERTISED_1000baseT_Full; 1762 if (current_link.eee.lp_adv_caps & QED_EEE_10G_ADV) 1763 edata->lp_advertised |= ADVERTISED_10000baseT_Full; 1764 1765 edata->tx_lpi_timer = current_link.eee.tx_lpi_timer; 1766 edata->eee_enabled = current_link.eee.enable; 1767 edata->tx_lpi_enabled = current_link.eee.tx_lpi_enable; 1768 edata->eee_active = current_link.eee_active; 1769 1770 return 0; 1771 } 1772 1773 static int qede_set_eee(struct net_device *dev, struct ethtool_eee *edata) 1774 { 1775 struct qede_dev *edev = netdev_priv(dev); 1776 struct qed_link_output current_link; 1777 struct qed_link_params params; 1778 1779 if (!edev->ops->common->can_link_change(edev->cdev)) { 1780 DP_INFO(edev, "Link settings are not allowed to be changed\n"); 1781 return -EOPNOTSUPP; 1782 } 1783 1784 memset(¤t_link, 0, sizeof(current_link)); 1785 edev->ops->common->get_link(edev->cdev, ¤t_link); 1786 1787 if (!current_link.eee_supported) { 1788 DP_INFO(edev, "EEE is not supported\n"); 1789 return -EOPNOTSUPP; 1790 } 1791 1792 memset(¶ms, 0, sizeof(params)); 1793 params.override_flags |= QED_LINK_OVERRIDE_EEE_CONFIG; 1794 1795 if (!(edata->advertised & (ADVERTISED_1000baseT_Full | 1796 ADVERTISED_10000baseT_Full)) || 1797 ((edata->advertised & (ADVERTISED_1000baseT_Full | 1798 ADVERTISED_10000baseT_Full)) != 1799 edata->advertised)) { 1800 DP_VERBOSE(edev, QED_MSG_DEBUG, 1801 "Invalid advertised capabilities %d\n", 1802 edata->advertised); 1803 return -EINVAL; 1804 } 1805 1806 if (edata->advertised & ADVERTISED_1000baseT_Full) 1807 params.eee.adv_caps = QED_EEE_1G_ADV; 1808 if (edata->advertised & ADVERTISED_10000baseT_Full) 1809 params.eee.adv_caps |= QED_EEE_10G_ADV; 1810 params.eee.enable = edata->eee_enabled; 1811 params.eee.tx_lpi_enable = edata->tx_lpi_enabled; 1812 params.eee.tx_lpi_timer = edata->tx_lpi_timer; 1813 1814 params.link_up = true; 1815 edev->ops->common->set_link(edev->cdev, ¶ms); 1816 1817 return 0; 1818 } 1819 1820 static int qede_get_module_info(struct net_device *dev, 1821 struct ethtool_modinfo *modinfo) 1822 { 1823 struct qede_dev *edev = netdev_priv(dev); 1824 u8 buf[4]; 1825 int rc; 1826 1827 /* Read first 4 bytes to find the sfp type */ 1828 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1829 QED_I2C_DEV_ADDR_A0, 0, 4); 1830 if (rc) { 1831 DP_ERR(edev, "Failed reading EEPROM data %d\n", rc); 1832 return rc; 1833 } 1834 1835 switch (buf[0]) { 1836 case 0x3: /* SFP, SFP+, SFP-28 */ 1837 modinfo->type = ETH_MODULE_SFF_8472; 1838 modinfo->eeprom_len = ETH_MODULE_SFF_8472_LEN; 1839 break; 1840 case 0xc: /* QSFP */ 1841 case 0xd: /* QSFP+ */ 1842 modinfo->type = ETH_MODULE_SFF_8436; 1843 modinfo->eeprom_len = ETH_MODULE_SFF_8436_LEN; 1844 break; 1845 case 0x11: /* QSFP-28 */ 1846 modinfo->type = ETH_MODULE_SFF_8636; 1847 modinfo->eeprom_len = ETH_MODULE_SFF_8636_LEN; 1848 break; 1849 default: 1850 DP_ERR(edev, "Unknown transceiver type 0x%x\n", buf[0]); 1851 return -EINVAL; 1852 } 1853 1854 return 0; 1855 } 1856 1857 static int qede_get_module_eeprom(struct net_device *dev, 1858 struct ethtool_eeprom *ee, u8 *data) 1859 { 1860 struct qede_dev *edev = netdev_priv(dev); 1861 u32 start_addr = ee->offset, size = 0; 1862 u8 *buf = data; 1863 int rc = 0; 1864 1865 /* Read A0 section */ 1866 if (ee->offset < ETH_MODULE_SFF_8079_LEN) { 1867 /* Limit transfer size to the A0 section boundary */ 1868 if (ee->offset + ee->len > ETH_MODULE_SFF_8079_LEN) 1869 size = ETH_MODULE_SFF_8079_LEN - ee->offset; 1870 else 1871 size = ee->len; 1872 1873 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1874 QED_I2C_DEV_ADDR_A0, 1875 start_addr, size); 1876 if (rc) { 1877 DP_ERR(edev, "Failed reading A0 section %d\n", rc); 1878 return rc; 1879 } 1880 1881 buf += size; 1882 start_addr += size; 1883 } 1884 1885 /* Read A2 section */ 1886 if (start_addr >= ETH_MODULE_SFF_8079_LEN && 1887 start_addr < ETH_MODULE_SFF_8472_LEN) { 1888 size = ee->len - size; 1889 /* Limit transfer size to the A2 section boundary */ 1890 if (start_addr + size > ETH_MODULE_SFF_8472_LEN) 1891 size = ETH_MODULE_SFF_8472_LEN - start_addr; 1892 start_addr -= ETH_MODULE_SFF_8079_LEN; 1893 rc = edev->ops->common->read_module_eeprom(edev->cdev, buf, 1894 QED_I2C_DEV_ADDR_A2, 1895 start_addr, size); 1896 if (rc) { 1897 DP_VERBOSE(edev, QED_MSG_DEBUG, 1898 "Failed reading A2 section %d\n", rc); 1899 return 0; 1900 } 1901 } 1902 1903 return rc; 1904 } 1905 1906 static const struct ethtool_ops qede_ethtool_ops = { 1907 .get_link_ksettings = qede_get_link_ksettings, 1908 .set_link_ksettings = qede_set_link_ksettings, 1909 .get_drvinfo = qede_get_drvinfo, 1910 .get_regs_len = qede_get_regs_len, 1911 .get_regs = qede_get_regs, 1912 .get_wol = qede_get_wol, 1913 .set_wol = qede_set_wol, 1914 .get_msglevel = qede_get_msglevel, 1915 .set_msglevel = qede_set_msglevel, 1916 .nway_reset = qede_nway_reset, 1917 .get_link = qede_get_link, 1918 .get_coalesce = qede_get_coalesce, 1919 .set_coalesce = qede_set_coalesce, 1920 .get_ringparam = qede_get_ringparam, 1921 .set_ringparam = qede_set_ringparam, 1922 .get_pauseparam = qede_get_pauseparam, 1923 .set_pauseparam = qede_set_pauseparam, 1924 .get_strings = qede_get_strings, 1925 .set_phys_id = qede_set_phys_id, 1926 .get_ethtool_stats = qede_get_ethtool_stats, 1927 .get_priv_flags = qede_get_priv_flags, 1928 .get_sset_count = qede_get_sset_count, 1929 .get_rxnfc = qede_get_rxnfc, 1930 .set_rxnfc = qede_set_rxnfc, 1931 .get_rxfh_indir_size = qede_get_rxfh_indir_size, 1932 .get_rxfh_key_size = qede_get_rxfh_key_size, 1933 .get_rxfh = qede_get_rxfh, 1934 .set_rxfh = qede_set_rxfh, 1935 .get_ts_info = qede_get_ts_info, 1936 .get_channels = qede_get_channels, 1937 .set_channels = qede_set_channels, 1938 .self_test = qede_self_test, 1939 .get_module_info = qede_get_module_info, 1940 .get_module_eeprom = qede_get_module_eeprom, 1941 .get_eee = qede_get_eee, 1942 .set_eee = qede_set_eee, 1943 1944 .get_tunable = qede_get_tunable, 1945 .set_tunable = qede_set_tunable, 1946 .flash_device = qede_flash_device, 1947 }; 1948 1949 static const struct ethtool_ops qede_vf_ethtool_ops = { 1950 .get_link_ksettings = qede_get_link_ksettings, 1951 .get_drvinfo = qede_get_drvinfo, 1952 .get_msglevel = qede_get_msglevel, 1953 .set_msglevel = qede_set_msglevel, 1954 .get_link = qede_get_link, 1955 .get_coalesce = qede_get_coalesce, 1956 .set_coalesce = qede_set_coalesce, 1957 .get_ringparam = qede_get_ringparam, 1958 .set_ringparam = qede_set_ringparam, 1959 .get_strings = qede_get_strings, 1960 .get_ethtool_stats = qede_get_ethtool_stats, 1961 .get_priv_flags = qede_get_priv_flags, 1962 .get_sset_count = qede_get_sset_count, 1963 .get_rxnfc = qede_get_rxnfc, 1964 .set_rxnfc = qede_set_rxnfc, 1965 .get_rxfh_indir_size = qede_get_rxfh_indir_size, 1966 .get_rxfh_key_size = qede_get_rxfh_key_size, 1967 .get_rxfh = qede_get_rxfh, 1968 .set_rxfh = qede_set_rxfh, 1969 .get_channels = qede_get_channels, 1970 .set_channels = qede_set_channels, 1971 .get_tunable = qede_get_tunable, 1972 .set_tunable = qede_set_tunable, 1973 }; 1974 1975 void qede_set_ethtool_ops(struct net_device *dev) 1976 { 1977 struct qede_dev *edev = netdev_priv(dev); 1978 1979 if (IS_VF(edev)) 1980 dev->ethtool_ops = &qede_vf_ethtool_ops; 1981 else 1982 dev->ethtool_ops = &qede_ethtool_ops; 1983 } 1984