1 // SPDX-License-Identifier: GPL-2.0 2 // Copyright (c) 2019 Mellanox Technologies. 3 4 #include "health.h" 5 #include "params.h" 6 #include "txrx.h" 7 #include "devlink.h" 8 #include "ptp.h" 9 #include "lib/tout.h" 10 11 /* Keep this string array consistent with the MLX5E_RQ_STATE_* enums in en.h */ 12 static const char * const rq_sw_state_type_name[] = { 13 [MLX5E_RQ_STATE_ENABLED] = "enabled", 14 [MLX5E_RQ_STATE_RECOVERING] = "recovering", 15 [MLX5E_RQ_STATE_DIM] = "dim", 16 [MLX5E_RQ_STATE_NO_CSUM_COMPLETE] = "no_csum_complete", 17 [MLX5E_RQ_STATE_CSUM_FULL] = "csum_full", 18 [MLX5E_RQ_STATE_MINI_CQE_HW_STRIDX] = "mini_cqe_hw_stridx", 19 [MLX5E_RQ_STATE_SHAMPO] = "shampo", 20 [MLX5E_RQ_STATE_MINI_CQE_ENHANCED] = "mini_cqe_enhanced", 21 [MLX5E_RQ_STATE_XSK] = "xsk", 22 }; 23 24 static int mlx5e_query_rq_state(struct mlx5_core_dev *dev, u32 rqn, u8 *state) 25 { 26 int outlen = MLX5_ST_SZ_BYTES(query_rq_out); 27 void *out; 28 void *rqc; 29 int err; 30 31 out = kvzalloc(outlen, GFP_KERNEL); 32 if (!out) 33 return -ENOMEM; 34 35 err = mlx5_core_query_rq(dev, rqn, out); 36 if (err) 37 goto out; 38 39 rqc = MLX5_ADDR_OF(query_rq_out, out, rq_context); 40 *state = MLX5_GET(rqc, rqc, state); 41 42 out: 43 kvfree(out); 44 return err; 45 } 46 47 static int mlx5e_wait_for_icosq_flush(struct mlx5e_icosq *icosq) 48 { 49 struct mlx5_core_dev *dev = icosq->channel->mdev; 50 unsigned long exp_time; 51 52 exp_time = jiffies + msecs_to_jiffies(mlx5_tout_ms(dev, FLUSH_ON_ERROR)); 53 54 while (time_before(jiffies, exp_time)) { 55 if (icosq->cc == icosq->pc) 56 return 0; 57 58 msleep(20); 59 } 60 61 netdev_err(icosq->channel->netdev, 62 "Wait for ICOSQ 0x%x flush timeout (cc = 0x%x, pc = 0x%x)\n", 63 icosq->sqn, icosq->cc, icosq->pc); 64 65 return -ETIMEDOUT; 66 } 67 68 static void mlx5e_reset_icosq_cc_pc(struct mlx5e_icosq *icosq) 69 { 70 WARN_ONCE(icosq->cc != icosq->pc, "ICOSQ 0x%x: cc (0x%x) != pc (0x%x)\n", 71 icosq->sqn, icosq->cc, icosq->pc); 72 icosq->cc = 0; 73 icosq->pc = 0; 74 } 75 76 static int mlx5e_rx_reporter_err_icosq_cqe_recover(void *ctx) 77 { 78 struct mlx5e_rq *xskrq = NULL; 79 struct mlx5_core_dev *mdev; 80 struct mlx5e_icosq *icosq; 81 struct net_device *dev; 82 struct mlx5e_rq *rq; 83 u8 state; 84 int err; 85 86 icosq = ctx; 87 88 mutex_lock(&icosq->channel->icosq_recovery_lock); 89 90 /* mlx5e_close_rq cancels this work before RQ and ICOSQ are killed. */ 91 rq = &icosq->channel->rq; 92 if (test_bit(MLX5E_RQ_STATE_ENABLED, &icosq->channel->xskrq.state)) 93 xskrq = &icosq->channel->xskrq; 94 mdev = icosq->channel->mdev; 95 dev = icosq->channel->netdev; 96 err = mlx5_core_query_sq_state(mdev, icosq->sqn, &state); 97 if (err) { 98 netdev_err(dev, "Failed to query ICOSQ 0x%x state. err = %d\n", 99 icosq->sqn, err); 100 goto out; 101 } 102 103 if (state != MLX5_SQC_STATE_ERR) 104 goto out; 105 106 mlx5e_deactivate_rq(rq); 107 if (xskrq) 108 mlx5e_deactivate_rq(xskrq); 109 110 err = mlx5e_wait_for_icosq_flush(icosq); 111 if (err) 112 goto out; 113 114 mlx5e_deactivate_icosq(icosq); 115 116 /* At this point, both the rq and the icosq are disabled */ 117 118 err = mlx5e_health_sq_to_ready(mdev, dev, icosq->sqn); 119 if (err) 120 goto out; 121 122 mlx5e_reset_icosq_cc_pc(icosq); 123 124 mlx5e_free_rx_missing_descs(rq); 125 if (xskrq) 126 mlx5e_free_rx_missing_descs(xskrq); 127 128 clear_bit(MLX5E_SQ_STATE_RECOVERING, &icosq->state); 129 mlx5e_activate_icosq(icosq); 130 131 mlx5e_activate_rq(rq); 132 rq->stats->recover++; 133 134 if (xskrq) { 135 mlx5e_activate_rq(xskrq); 136 xskrq->stats->recover++; 137 } 138 139 mlx5e_trigger_napi_icosq(icosq->channel); 140 141 mutex_unlock(&icosq->channel->icosq_recovery_lock); 142 143 return 0; 144 out: 145 clear_bit(MLX5E_SQ_STATE_RECOVERING, &icosq->state); 146 mutex_unlock(&icosq->channel->icosq_recovery_lock); 147 return err; 148 } 149 150 static int mlx5e_rx_reporter_err_rq_cqe_recover(void *ctx) 151 { 152 struct mlx5e_rq *rq = ctx; 153 int err; 154 155 mlx5e_deactivate_rq(rq); 156 err = mlx5e_flush_rq(rq, MLX5_RQC_STATE_ERR); 157 clear_bit(MLX5E_RQ_STATE_RECOVERING, &rq->state); 158 if (err) 159 return err; 160 161 mlx5e_activate_rq(rq); 162 rq->stats->recover++; 163 if (rq->channel) 164 mlx5e_trigger_napi_icosq(rq->channel); 165 else 166 mlx5e_trigger_napi_sched(rq->cq.napi); 167 return 0; 168 } 169 170 static int mlx5e_rx_reporter_timeout_recover(void *ctx) 171 { 172 struct mlx5_eq_comp *eq; 173 struct mlx5e_rq *rq; 174 int err; 175 176 rq = ctx; 177 eq = rq->cq.mcq.eq; 178 179 err = mlx5e_health_channel_eq_recover(rq->netdev, eq, rq->cq.ch_stats); 180 if (err && rq->icosq) 181 clear_bit(MLX5E_SQ_STATE_ENABLED, &rq->icosq->state); 182 183 return err; 184 } 185 186 static int mlx5e_rx_reporter_recover_from_ctx(struct mlx5e_err_ctx *err_ctx) 187 { 188 return err_ctx->recover(err_ctx->ctx); 189 } 190 191 static int mlx5e_rx_reporter_recover(struct devlink_health_reporter *reporter, 192 void *context, 193 struct netlink_ext_ack *extack) 194 { 195 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter); 196 struct mlx5e_err_ctx *err_ctx = context; 197 198 return err_ctx ? mlx5e_rx_reporter_recover_from_ctx(err_ctx) : 199 mlx5e_health_recover_channels(priv); 200 } 201 202 static int mlx5e_reporter_icosq_diagnose(struct mlx5e_icosq *icosq, u8 hw_state, 203 struct devlink_fmsg *fmsg) 204 { 205 int err; 206 207 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "ICOSQ"); 208 if (err) 209 return err; 210 211 err = devlink_fmsg_u32_pair_put(fmsg, "sqn", icosq->sqn); 212 if (err) 213 return err; 214 215 err = devlink_fmsg_u8_pair_put(fmsg, "HW state", hw_state); 216 if (err) 217 return err; 218 219 err = devlink_fmsg_u32_pair_put(fmsg, "cc", icosq->cc); 220 if (err) 221 return err; 222 223 err = devlink_fmsg_u32_pair_put(fmsg, "pc", icosq->pc); 224 if (err) 225 return err; 226 227 err = devlink_fmsg_u32_pair_put(fmsg, "WQE size", 228 mlx5_wq_cyc_get_size(&icosq->wq)); 229 if (err) 230 return err; 231 232 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "CQ"); 233 if (err) 234 return err; 235 236 err = devlink_fmsg_u32_pair_put(fmsg, "cqn", icosq->cq.mcq.cqn); 237 if (err) 238 return err; 239 240 err = devlink_fmsg_u32_pair_put(fmsg, "cc", icosq->cq.wq.cc); 241 if (err) 242 return err; 243 244 err = devlink_fmsg_u32_pair_put(fmsg, "size", mlx5_cqwq_get_size(&icosq->cq.wq)); 245 if (err) 246 return err; 247 248 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 249 if (err) 250 return err; 251 252 return mlx5e_health_fmsg_named_obj_nest_end(fmsg); 253 } 254 255 static int mlx5e_health_rq_put_sw_state(struct devlink_fmsg *fmsg, struct mlx5e_rq *rq) 256 { 257 int err; 258 int i; 259 260 BUILD_BUG_ON_MSG(ARRAY_SIZE(rq_sw_state_type_name) != MLX5E_NUM_RQ_STATES, 261 "rq_sw_state_type_name string array must be consistent with MLX5E_RQ_STATE_* enum in en.h"); 262 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "SW State"); 263 if (err) 264 return err; 265 266 for (i = 0; i < ARRAY_SIZE(rq_sw_state_type_name); ++i) { 267 err = devlink_fmsg_u32_pair_put(fmsg, rq_sw_state_type_name[i], 268 test_bit(i, &rq->state)); 269 if (err) 270 return err; 271 } 272 273 return mlx5e_health_fmsg_named_obj_nest_end(fmsg); 274 } 275 276 static int 277 mlx5e_rx_reporter_build_diagnose_output_rq_common(struct mlx5e_rq *rq, 278 struct devlink_fmsg *fmsg) 279 { 280 u16 wqe_counter; 281 int wqes_sz; 282 u8 hw_state; 283 u16 wq_head; 284 int err; 285 286 err = mlx5e_query_rq_state(rq->mdev, rq->rqn, &hw_state); 287 if (err) 288 return err; 289 290 wqes_sz = mlx5e_rqwq_get_cur_sz(rq); 291 wq_head = mlx5e_rqwq_get_head(rq); 292 wqe_counter = mlx5e_rqwq_get_wqe_counter(rq); 293 294 err = devlink_fmsg_u32_pair_put(fmsg, "rqn", rq->rqn); 295 if (err) 296 return err; 297 298 err = devlink_fmsg_u8_pair_put(fmsg, "HW state", hw_state); 299 if (err) 300 return err; 301 302 err = devlink_fmsg_u32_pair_put(fmsg, "WQE counter", wqe_counter); 303 if (err) 304 return err; 305 306 err = devlink_fmsg_u32_pair_put(fmsg, "posted WQEs", wqes_sz); 307 if (err) 308 return err; 309 310 err = devlink_fmsg_u32_pair_put(fmsg, "cc", wq_head); 311 if (err) 312 return err; 313 314 err = mlx5e_health_rq_put_sw_state(fmsg, rq); 315 if (err) 316 return err; 317 318 err = mlx5e_health_cq_diag_fmsg(&rq->cq, fmsg); 319 if (err) 320 return err; 321 322 err = mlx5e_health_eq_diag_fmsg(rq->cq.mcq.eq, fmsg); 323 if (err) 324 return err; 325 326 if (rq->icosq) { 327 struct mlx5e_icosq *icosq = rq->icosq; 328 u8 icosq_hw_state; 329 330 err = mlx5_core_query_sq_state(rq->mdev, icosq->sqn, &icosq_hw_state); 331 if (err) 332 return err; 333 334 err = mlx5e_reporter_icosq_diagnose(icosq, icosq_hw_state, fmsg); 335 if (err) 336 return err; 337 } 338 339 return 0; 340 } 341 342 static int mlx5e_rx_reporter_build_diagnose_output(struct mlx5e_rq *rq, 343 struct devlink_fmsg *fmsg) 344 { 345 int err; 346 347 err = devlink_fmsg_obj_nest_start(fmsg); 348 if (err) 349 return err; 350 351 err = devlink_fmsg_u32_pair_put(fmsg, "channel ix", rq->ix); 352 if (err) 353 return err; 354 355 err = mlx5e_rx_reporter_build_diagnose_output_rq_common(rq, fmsg); 356 if (err) 357 return err; 358 359 return devlink_fmsg_obj_nest_end(fmsg); 360 } 361 362 static int mlx5e_rx_reporter_diagnose_generic_rq(struct mlx5e_rq *rq, 363 struct devlink_fmsg *fmsg) 364 { 365 struct mlx5e_priv *priv = rq->priv; 366 struct mlx5e_params *params; 367 u32 rq_stride, rq_sz; 368 bool real_time; 369 int err; 370 371 params = &priv->channels.params; 372 rq_sz = mlx5e_rqwq_get_size(rq); 373 real_time = mlx5_is_real_time_rq(priv->mdev); 374 rq_stride = BIT(mlx5e_mpwqe_get_log_stride_size(priv->mdev, params, NULL)); 375 376 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RQ"); 377 if (err) 378 return err; 379 380 err = devlink_fmsg_u8_pair_put(fmsg, "type", params->rq_wq_type); 381 if (err) 382 return err; 383 384 err = devlink_fmsg_u64_pair_put(fmsg, "stride size", rq_stride); 385 if (err) 386 return err; 387 388 err = devlink_fmsg_u32_pair_put(fmsg, "size", rq_sz); 389 if (err) 390 return err; 391 392 err = devlink_fmsg_string_pair_put(fmsg, "ts_format", real_time ? "RT" : "FRC"); 393 if (err) 394 return err; 395 396 err = mlx5e_health_cq_common_diag_fmsg(&rq->cq, fmsg); 397 if (err) 398 return err; 399 400 return mlx5e_health_fmsg_named_obj_nest_end(fmsg); 401 } 402 403 static int 404 mlx5e_rx_reporter_diagnose_common_ptp_config(struct mlx5e_priv *priv, struct mlx5e_ptp *ptp_ch, 405 struct devlink_fmsg *fmsg) 406 { 407 int err; 408 409 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "PTP"); 410 if (err) 411 return err; 412 413 err = devlink_fmsg_u32_pair_put(fmsg, "filter_type", priv->tstamp.rx_filter); 414 if (err) 415 return err; 416 417 err = mlx5e_rx_reporter_diagnose_generic_rq(&ptp_ch->rq, fmsg); 418 if (err) 419 return err; 420 421 return mlx5e_health_fmsg_named_obj_nest_end(fmsg); 422 } 423 424 static int 425 mlx5e_rx_reporter_diagnose_common_config(struct devlink_health_reporter *reporter, 426 struct devlink_fmsg *fmsg) 427 { 428 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter); 429 struct mlx5e_rq *generic_rq = &priv->channels.c[0]->rq; 430 struct mlx5e_ptp *ptp_ch = priv->channels.ptp; 431 int err; 432 433 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "Common config"); 434 if (err) 435 return err; 436 437 err = mlx5e_rx_reporter_diagnose_generic_rq(generic_rq, fmsg); 438 if (err) 439 return err; 440 441 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) { 442 err = mlx5e_rx_reporter_diagnose_common_ptp_config(priv, ptp_ch, fmsg); 443 if (err) 444 return err; 445 } 446 447 return mlx5e_health_fmsg_named_obj_nest_end(fmsg); 448 } 449 450 static int mlx5e_rx_reporter_build_diagnose_output_ptp_rq(struct mlx5e_rq *rq, 451 struct devlink_fmsg *fmsg) 452 { 453 int err; 454 455 err = devlink_fmsg_obj_nest_start(fmsg); 456 if (err) 457 return err; 458 459 err = devlink_fmsg_string_pair_put(fmsg, "channel", "ptp"); 460 if (err) 461 return err; 462 463 err = mlx5e_rx_reporter_build_diagnose_output_rq_common(rq, fmsg); 464 if (err) 465 return err; 466 467 err = devlink_fmsg_obj_nest_end(fmsg); 468 if (err) 469 return err; 470 471 return 0; 472 } 473 474 static int mlx5e_rx_reporter_diagnose(struct devlink_health_reporter *reporter, 475 struct devlink_fmsg *fmsg, 476 struct netlink_ext_ack *extack) 477 { 478 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter); 479 struct mlx5e_ptp *ptp_ch = priv->channels.ptp; 480 int i, err = 0; 481 482 mutex_lock(&priv->state_lock); 483 484 if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) 485 goto unlock; 486 487 err = mlx5e_rx_reporter_diagnose_common_config(reporter, fmsg); 488 if (err) 489 goto unlock; 490 491 err = devlink_fmsg_arr_pair_nest_start(fmsg, "RQs"); 492 if (err) 493 goto unlock; 494 495 for (i = 0; i < priv->channels.num; i++) { 496 struct mlx5e_channel *c = priv->channels.c[i]; 497 struct mlx5e_rq *rq; 498 499 rq = test_bit(MLX5E_CHANNEL_STATE_XSK, c->state) ? 500 &c->xskrq : &c->rq; 501 502 err = mlx5e_rx_reporter_build_diagnose_output(rq, fmsg); 503 if (err) 504 goto unlock; 505 } 506 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) { 507 err = mlx5e_rx_reporter_build_diagnose_output_ptp_rq(&ptp_ch->rq, fmsg); 508 if (err) 509 goto unlock; 510 } 511 err = devlink_fmsg_arr_pair_nest_end(fmsg); 512 unlock: 513 mutex_unlock(&priv->state_lock); 514 return err; 515 } 516 517 static int mlx5e_rx_reporter_dump_icosq(struct mlx5e_priv *priv, struct devlink_fmsg *fmsg, 518 void *ctx) 519 { 520 struct mlx5e_txqsq *icosq = ctx; 521 struct mlx5_rsc_key key = {}; 522 int err; 523 524 if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) 525 return 0; 526 527 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "SX Slice"); 528 if (err) 529 return err; 530 531 key.size = PAGE_SIZE; 532 key.rsc = MLX5_SGMT_TYPE_SX_SLICE_ALL; 533 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 534 if (err) 535 return err; 536 537 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 538 if (err) 539 return err; 540 541 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "ICOSQ"); 542 if (err) 543 return err; 544 545 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "QPC"); 546 if (err) 547 return err; 548 549 key.rsc = MLX5_SGMT_TYPE_FULL_QPC; 550 key.index1 = icosq->sqn; 551 key.num_of_obj1 = 1; 552 553 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 554 if (err) 555 return err; 556 557 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 558 if (err) 559 return err; 560 561 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "send_buff"); 562 if (err) 563 return err; 564 565 key.rsc = MLX5_SGMT_TYPE_SND_BUFF; 566 key.num_of_obj2 = MLX5_RSC_DUMP_ALL; 567 568 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 569 if (err) 570 return err; 571 572 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 573 if (err) 574 return err; 575 576 return mlx5e_health_fmsg_named_obj_nest_end(fmsg); 577 } 578 579 static int mlx5e_rx_reporter_dump_rq(struct mlx5e_priv *priv, struct devlink_fmsg *fmsg, 580 void *ctx) 581 { 582 struct mlx5_rsc_key key = {}; 583 struct mlx5e_rq *rq = ctx; 584 int err; 585 586 if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) 587 return 0; 588 589 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RX Slice"); 590 if (err) 591 return err; 592 593 key.size = PAGE_SIZE; 594 key.rsc = MLX5_SGMT_TYPE_RX_SLICE_ALL; 595 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 596 if (err) 597 return err; 598 599 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 600 if (err) 601 return err; 602 603 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RQ"); 604 if (err) 605 return err; 606 607 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "QPC"); 608 if (err) 609 return err; 610 611 key.rsc = MLX5_SGMT_TYPE_FULL_QPC; 612 key.index1 = rq->rqn; 613 key.num_of_obj1 = 1; 614 615 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 616 if (err) 617 return err; 618 619 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 620 if (err) 621 return err; 622 623 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "receive_buff"); 624 if (err) 625 return err; 626 627 key.rsc = MLX5_SGMT_TYPE_RCV_BUFF; 628 key.num_of_obj2 = MLX5_RSC_DUMP_ALL; 629 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 630 if (err) 631 return err; 632 633 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 634 if (err) 635 return err; 636 637 return mlx5e_health_fmsg_named_obj_nest_end(fmsg); 638 } 639 640 static int mlx5e_rx_reporter_dump_all_rqs(struct mlx5e_priv *priv, 641 struct devlink_fmsg *fmsg) 642 { 643 struct mlx5e_ptp *ptp_ch = priv->channels.ptp; 644 struct mlx5_rsc_key key = {}; 645 int i, err; 646 647 if (!test_bit(MLX5E_STATE_OPENED, &priv->state)) 648 return 0; 649 650 err = mlx5e_health_fmsg_named_obj_nest_start(fmsg, "RX Slice"); 651 if (err) 652 return err; 653 654 key.size = PAGE_SIZE; 655 key.rsc = MLX5_SGMT_TYPE_RX_SLICE_ALL; 656 err = mlx5e_health_rsc_fmsg_dump(priv, &key, fmsg); 657 if (err) 658 return err; 659 660 err = mlx5e_health_fmsg_named_obj_nest_end(fmsg); 661 if (err) 662 return err; 663 664 err = devlink_fmsg_arr_pair_nest_start(fmsg, "RQs"); 665 if (err) 666 return err; 667 668 for (i = 0; i < priv->channels.num; i++) { 669 struct mlx5e_rq *rq = &priv->channels.c[i]->rq; 670 671 err = mlx5e_health_queue_dump(priv, fmsg, rq->rqn, "RQ"); 672 if (err) 673 return err; 674 } 675 676 if (ptp_ch && test_bit(MLX5E_PTP_STATE_RX, ptp_ch->state)) { 677 err = mlx5e_health_queue_dump(priv, fmsg, ptp_ch->rq.rqn, "PTP RQ"); 678 if (err) 679 return err; 680 } 681 682 return devlink_fmsg_arr_pair_nest_end(fmsg); 683 } 684 685 static int mlx5e_rx_reporter_dump_from_ctx(struct mlx5e_priv *priv, 686 struct mlx5e_err_ctx *err_ctx, 687 struct devlink_fmsg *fmsg) 688 { 689 return err_ctx->dump(priv, fmsg, err_ctx->ctx); 690 } 691 692 static int mlx5e_rx_reporter_dump(struct devlink_health_reporter *reporter, 693 struct devlink_fmsg *fmsg, void *context, 694 struct netlink_ext_ack *extack) 695 { 696 struct mlx5e_priv *priv = devlink_health_reporter_priv(reporter); 697 struct mlx5e_err_ctx *err_ctx = context; 698 699 return err_ctx ? mlx5e_rx_reporter_dump_from_ctx(priv, err_ctx, fmsg) : 700 mlx5e_rx_reporter_dump_all_rqs(priv, fmsg); 701 } 702 703 void mlx5e_reporter_rx_timeout(struct mlx5e_rq *rq) 704 { 705 char icosq_str[MLX5E_REPORTER_PER_Q_MAX_LEN] = {}; 706 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN]; 707 struct mlx5e_icosq *icosq = rq->icosq; 708 struct mlx5e_priv *priv = rq->priv; 709 struct mlx5e_err_ctx err_ctx = {}; 710 711 err_ctx.ctx = rq; 712 err_ctx.recover = mlx5e_rx_reporter_timeout_recover; 713 err_ctx.dump = mlx5e_rx_reporter_dump_rq; 714 715 if (icosq) 716 snprintf(icosq_str, sizeof(icosq_str), "ICOSQ: 0x%x, ", icosq->sqn); 717 snprintf(err_str, sizeof(err_str), 718 "RX timeout on channel: %d, %sRQ: 0x%x, CQ: 0x%x", 719 rq->ix, icosq_str, rq->rqn, rq->cq.mcq.cqn); 720 721 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx); 722 } 723 724 void mlx5e_reporter_rq_cqe_err(struct mlx5e_rq *rq) 725 { 726 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN]; 727 struct mlx5e_priv *priv = rq->priv; 728 struct mlx5e_err_ctx err_ctx = {}; 729 730 err_ctx.ctx = rq; 731 err_ctx.recover = mlx5e_rx_reporter_err_rq_cqe_recover; 732 err_ctx.dump = mlx5e_rx_reporter_dump_rq; 733 snprintf(err_str, sizeof(err_str), "ERR CQE on RQ: 0x%x", rq->rqn); 734 735 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx); 736 } 737 738 void mlx5e_reporter_icosq_cqe_err(struct mlx5e_icosq *icosq) 739 { 740 struct mlx5e_priv *priv = icosq->channel->priv; 741 char err_str[MLX5E_REPORTER_PER_Q_MAX_LEN]; 742 struct mlx5e_err_ctx err_ctx = {}; 743 744 err_ctx.ctx = icosq; 745 err_ctx.recover = mlx5e_rx_reporter_err_icosq_cqe_recover; 746 err_ctx.dump = mlx5e_rx_reporter_dump_icosq; 747 snprintf(err_str, sizeof(err_str), "ERR CQE on ICOSQ: 0x%x", icosq->sqn); 748 749 mlx5e_health_report(priv, priv->rx_reporter, err_str, &err_ctx); 750 } 751 752 void mlx5e_reporter_icosq_suspend_recovery(struct mlx5e_channel *c) 753 { 754 mutex_lock(&c->icosq_recovery_lock); 755 } 756 757 void mlx5e_reporter_icosq_resume_recovery(struct mlx5e_channel *c) 758 { 759 mutex_unlock(&c->icosq_recovery_lock); 760 } 761 762 static const struct devlink_health_reporter_ops mlx5_rx_reporter_ops = { 763 .name = "rx", 764 .recover = mlx5e_rx_reporter_recover, 765 .diagnose = mlx5e_rx_reporter_diagnose, 766 .dump = mlx5e_rx_reporter_dump, 767 }; 768 769 #define MLX5E_REPORTER_RX_GRACEFUL_PERIOD 500 770 771 void mlx5e_reporter_rx_create(struct mlx5e_priv *priv) 772 { 773 struct devlink_health_reporter *reporter; 774 775 reporter = devlink_port_health_reporter_create(priv->netdev->devlink_port, 776 &mlx5_rx_reporter_ops, 777 MLX5E_REPORTER_RX_GRACEFUL_PERIOD, priv); 778 if (IS_ERR(reporter)) { 779 netdev_warn(priv->netdev, "Failed to create rx reporter, err = %ld\n", 780 PTR_ERR(reporter)); 781 return; 782 } 783 priv->rx_reporter = reporter; 784 } 785 786 void mlx5e_reporter_rx_destroy(struct mlx5e_priv *priv) 787 { 788 if (!priv->rx_reporter) 789 return; 790 791 devlink_health_reporter_destroy(priv->rx_reporter); 792 priv->rx_reporter = NULL; 793 } 794