1 /*- 2 * Copyright (c) 2015 Mellanox Technologies. All rights reserved. 3 * 4 * Redistribution and use in source and binary forms, with or without 5 * modification, are permitted provided that the following conditions 6 * are met: 7 * 1. Redistributions of source code must retain the above copyright 8 * notice, this list of conditions and the following disclaimer. 9 * 2. Redistributions in binary form must reproduce the above copyright 10 * notice, this list of conditions and the following disclaimer in the 11 * documentation and/or other materials provided with the distribution. 12 * 13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS `AS IS' AND 14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 16 * ARE DISCLAIMED. IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE 17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 23 * SUCH DAMAGE. 24 * 25 * $FreeBSD$ 26 */ 27 28 #include "en.h" 29 30 #include <sys/sockio.h> 31 #include <machine/atomic.h> 32 33 #define ETH_DRIVER_VERSION "3.1.0-dev" 34 char mlx5e_version[] = "Mellanox Ethernet driver" 35 " (" ETH_DRIVER_VERSION ")"; 36 37 struct mlx5e_rq_param { 38 u32 rqc [MLX5_ST_SZ_DW(rqc)]; 39 struct mlx5_wq_param wq; 40 }; 41 42 struct mlx5e_sq_param { 43 u32 sqc [MLX5_ST_SZ_DW(sqc)]; 44 struct mlx5_wq_param wq; 45 }; 46 47 struct mlx5e_cq_param { 48 u32 cqc [MLX5_ST_SZ_DW(cqc)]; 49 struct mlx5_wq_param wq; 50 u16 eq_ix; 51 }; 52 53 struct mlx5e_channel_param { 54 struct mlx5e_rq_param rq; 55 struct mlx5e_sq_param sq; 56 struct mlx5e_cq_param rx_cq; 57 struct mlx5e_cq_param tx_cq; 58 }; 59 60 static const struct { 61 u32 subtype; 62 u64 baudrate; 63 } mlx5e_mode_table[MLX5E_LINK_MODES_NUMBER] = { 64 65 [MLX5E_1000BASE_CX_SGMII] = { 66 .subtype = IFM_1000_CX_SGMII, 67 .baudrate = IF_Mbps(1000ULL), 68 }, 69 [MLX5E_1000BASE_KX] = { 70 .subtype = IFM_1000_KX, 71 .baudrate = IF_Mbps(1000ULL), 72 }, 73 [MLX5E_10GBASE_CX4] = { 74 .subtype = IFM_10G_CX4, 75 .baudrate = IF_Gbps(10ULL), 76 }, 77 [MLX5E_10GBASE_KX4] = { 78 .subtype = IFM_10G_KX4, 79 .baudrate = IF_Gbps(10ULL), 80 }, 81 [MLX5E_10GBASE_KR] = { 82 .subtype = IFM_10G_KR, 83 .baudrate = IF_Gbps(10ULL), 84 }, 85 [MLX5E_20GBASE_KR2] = { 86 .subtype = IFM_20G_KR2, 87 .baudrate = IF_Gbps(20ULL), 88 }, 89 [MLX5E_40GBASE_CR4] = { 90 .subtype = IFM_40G_CR4, 91 .baudrate = IF_Gbps(40ULL), 92 }, 93 [MLX5E_40GBASE_KR4] = { 94 .subtype = IFM_40G_KR4, 95 .baudrate = IF_Gbps(40ULL), 96 }, 97 [MLX5E_56GBASE_R4] = { 98 .subtype = IFM_56G_R4, 99 .baudrate = IF_Gbps(56ULL), 100 }, 101 [MLX5E_10GBASE_CR] = { 102 .subtype = IFM_10G_CR1, 103 .baudrate = IF_Gbps(10ULL), 104 }, 105 [MLX5E_10GBASE_SR] = { 106 .subtype = IFM_10G_SR, 107 .baudrate = IF_Gbps(10ULL), 108 }, 109 [MLX5E_10GBASE_ER] = { 110 .subtype = IFM_10G_ER, 111 .baudrate = IF_Gbps(10ULL), 112 }, 113 [MLX5E_40GBASE_SR4] = { 114 .subtype = IFM_40G_SR4, 115 .baudrate = IF_Gbps(40ULL), 116 }, 117 [MLX5E_40GBASE_LR4] = { 118 .subtype = IFM_40G_LR4, 119 .baudrate = IF_Gbps(40ULL), 120 }, 121 [MLX5E_100GBASE_CR4] = { 122 .subtype = IFM_100G_CR4, 123 .baudrate = IF_Gbps(100ULL), 124 }, 125 [MLX5E_100GBASE_SR4] = { 126 .subtype = IFM_100G_SR4, 127 .baudrate = IF_Gbps(100ULL), 128 }, 129 [MLX5E_100GBASE_KR4] = { 130 .subtype = IFM_100G_KR4, 131 .baudrate = IF_Gbps(100ULL), 132 }, 133 [MLX5E_100GBASE_LR4] = { 134 .subtype = IFM_100G_LR4, 135 .baudrate = IF_Gbps(100ULL), 136 }, 137 [MLX5E_100BASE_TX] = { 138 .subtype = IFM_100_TX, 139 .baudrate = IF_Mbps(100ULL), 140 }, 141 [MLX5E_100BASE_T] = { 142 .subtype = IFM_100_T, 143 .baudrate = IF_Mbps(100ULL), 144 }, 145 [MLX5E_10GBASE_T] = { 146 .subtype = IFM_10G_T, 147 .baudrate = IF_Gbps(10ULL), 148 }, 149 [MLX5E_25GBASE_CR] = { 150 .subtype = IFM_25G_CR, 151 .baudrate = IF_Gbps(25ULL), 152 }, 153 [MLX5E_25GBASE_KR] = { 154 .subtype = IFM_25G_KR, 155 .baudrate = IF_Gbps(25ULL), 156 }, 157 [MLX5E_25GBASE_SR] = { 158 .subtype = IFM_25G_SR, 159 .baudrate = IF_Gbps(25ULL), 160 }, 161 [MLX5E_50GBASE_CR2] = { 162 .subtype = IFM_50G_CR2, 163 .baudrate = IF_Gbps(50ULL), 164 }, 165 [MLX5E_50GBASE_KR2] = { 166 .subtype = IFM_50G_KR2, 167 .baudrate = IF_Gbps(50ULL), 168 }, 169 }; 170 171 MALLOC_DEFINE(M_MLX5EN, "MLX5EN", "MLX5 Ethernet"); 172 173 static void 174 mlx5e_update_carrier(struct mlx5e_priv *priv) 175 { 176 struct mlx5_core_dev *mdev = priv->mdev; 177 u32 out[MLX5_ST_SZ_DW(ptys_reg)]; 178 u32 eth_proto_oper; 179 int error; 180 u8 port_state; 181 u8 i; 182 183 port_state = mlx5_query_vport_state(mdev, 184 MLX5_QUERY_VPORT_STATE_IN_OP_MOD_VNIC_VPORT); 185 186 if (port_state == VPORT_STATE_UP) { 187 priv->media_status_last |= IFM_ACTIVE; 188 } else { 189 priv->media_status_last &= ~IFM_ACTIVE; 190 priv->media_active_last = IFM_ETHER; 191 if_link_state_change(priv->ifp, LINK_STATE_DOWN); 192 return; 193 } 194 195 error = mlx5_query_port_ptys(mdev, out, sizeof(out), MLX5_PTYS_EN); 196 if (error) { 197 priv->media_active_last = IFM_ETHER; 198 priv->ifp->if_baudrate = 1; 199 if_printf(priv->ifp, "%s: query port ptys failed: 0x%x\n", 200 __func__, error); 201 return; 202 } 203 eth_proto_oper = MLX5_GET(ptys_reg, out, eth_proto_oper); 204 205 for (i = 0; i != MLX5E_LINK_MODES_NUMBER; i++) { 206 if (mlx5e_mode_table[i].baudrate == 0) 207 continue; 208 if (MLX5E_PROT_MASK(i) & eth_proto_oper) { 209 priv->ifp->if_baudrate = 210 mlx5e_mode_table[i].baudrate; 211 priv->media_active_last = 212 mlx5e_mode_table[i].subtype | IFM_ETHER | IFM_FDX; 213 } 214 } 215 if_link_state_change(priv->ifp, LINK_STATE_UP); 216 } 217 218 static void 219 mlx5e_media_status(struct ifnet *dev, struct ifmediareq *ifmr) 220 { 221 struct mlx5e_priv *priv = dev->if_softc; 222 223 ifmr->ifm_status = priv->media_status_last; 224 ifmr->ifm_active = priv->media_active_last | 225 (priv->params_ethtool.rx_pauseframe_control ? IFM_ETH_RXPAUSE : 0) | 226 (priv->params_ethtool.tx_pauseframe_control ? IFM_ETH_TXPAUSE : 0); 227 228 } 229 230 static u32 231 mlx5e_find_link_mode(u32 subtype) 232 { 233 u32 i; 234 u32 link_mode = 0; 235 236 for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { 237 if (mlx5e_mode_table[i].baudrate == 0) 238 continue; 239 if (mlx5e_mode_table[i].subtype == subtype) 240 link_mode |= MLX5E_PROT_MASK(i); 241 } 242 243 return (link_mode); 244 } 245 246 static int 247 mlx5e_media_change(struct ifnet *dev) 248 { 249 struct mlx5e_priv *priv = dev->if_softc; 250 struct mlx5_core_dev *mdev = priv->mdev; 251 u32 eth_proto_cap; 252 u32 link_mode; 253 int locked; 254 int error; 255 256 locked = PRIV_LOCKED(priv); 257 if (!locked) 258 PRIV_LOCK(priv); 259 260 if (IFM_TYPE(priv->media.ifm_media) != IFM_ETHER) { 261 error = EINVAL; 262 goto done; 263 } 264 link_mode = mlx5e_find_link_mode(IFM_SUBTYPE(priv->media.ifm_media)); 265 266 error = mlx5_query_port_proto_cap(mdev, ð_proto_cap, MLX5_PTYS_EN); 267 if (error) { 268 if_printf(dev, "Query port media capability failed\n"); 269 goto done; 270 } 271 if (IFM_SUBTYPE(priv->media.ifm_media) == IFM_AUTO) 272 link_mode = eth_proto_cap; 273 else 274 link_mode = link_mode & eth_proto_cap; 275 276 if (!link_mode) { 277 if_printf(dev, "Not supported link mode requested\n"); 278 error = EINVAL; 279 goto done; 280 } 281 mlx5_set_port_status(mdev, MLX5_PORT_DOWN); 282 mlx5_set_port_proto(mdev, link_mode, MLX5_PTYS_EN); 283 mlx5_set_port_status(mdev, MLX5_PORT_UP); 284 285 done: 286 if (!locked) 287 PRIV_UNLOCK(priv); 288 return (error); 289 } 290 291 static void 292 mlx5e_update_carrier_work(struct work_struct *work) 293 { 294 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, 295 update_carrier_work); 296 297 PRIV_LOCK(priv); 298 if (test_bit(MLX5E_STATE_OPENED, &priv->state)) 299 mlx5e_update_carrier(priv); 300 PRIV_UNLOCK(priv); 301 } 302 303 static void 304 mlx5e_update_pport_counters(struct mlx5e_priv *priv) 305 { 306 struct mlx5_core_dev *mdev = priv->mdev; 307 struct mlx5e_pport_stats *s = &priv->stats.pport; 308 struct mlx5e_port_stats_debug *s_debug = &priv->stats.port_stats_debug; 309 u32 *in; 310 u32 *out; 311 u64 *ptr; 312 unsigned sz = MLX5_ST_SZ_BYTES(ppcnt_reg); 313 unsigned x; 314 unsigned y; 315 316 in = mlx5_vzalloc(sz); 317 out = mlx5_vzalloc(sz); 318 if (in == NULL || out == NULL) 319 goto free_out; 320 321 ptr = (uint64_t *)MLX5_ADDR_OF(ppcnt_reg, out, counter_set); 322 323 MLX5_SET(ppcnt_reg, in, local_port, 1); 324 325 MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP); 326 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); 327 for (x = y = 0; x != MLX5E_PPORT_IEEE802_3_STATS_NUM; x++, y++) 328 s->arg[y] = be64toh(ptr[x]); 329 330 MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP); 331 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); 332 for (x = 0; x != MLX5E_PPORT_RFC2819_STATS_NUM; x++, y++) 333 s->arg[y] = be64toh(ptr[x]); 334 for (y = 0; x != MLX5E_PPORT_RFC2819_STATS_NUM + 335 MLX5E_PPORT_RFC2819_STATS_DEBUG_NUM; x++, y++) 336 s_debug->arg[y] = be64toh(ptr[x]); 337 338 MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP); 339 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); 340 for (x = 0; x != MLX5E_PPORT_RFC2863_STATS_DEBUG_NUM; x++, y++) 341 s_debug->arg[y] = be64toh(ptr[x]); 342 343 MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP); 344 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); 345 for (x = 0; x != MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG_NUM; x++, y++) 346 s_debug->arg[y] = be64toh(ptr[x]); 347 free_out: 348 kvfree(in); 349 kvfree(out); 350 } 351 352 static void 353 mlx5e_update_stats_work(struct work_struct *work) 354 { 355 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, 356 update_stats_work); 357 struct mlx5_core_dev *mdev = priv->mdev; 358 struct mlx5e_vport_stats *s = &priv->stats.vport; 359 struct mlx5e_rq_stats *rq_stats; 360 struct mlx5e_sq_stats *sq_stats; 361 struct buf_ring *sq_br; 362 #if (__FreeBSD_version < 1100000) 363 struct ifnet *ifp = priv->ifp; 364 #endif 365 366 u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)]; 367 u32 *out; 368 int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out); 369 u64 tso_packets = 0; 370 u64 tso_bytes = 0; 371 u64 tx_queue_dropped = 0; 372 u64 tx_defragged = 0; 373 u64 tx_offload_none = 0; 374 u64 lro_packets = 0; 375 u64 lro_bytes = 0; 376 u64 sw_lro_queued = 0; 377 u64 sw_lro_flushed = 0; 378 u64 rx_csum_none = 0; 379 u64 rx_wqe_err = 0; 380 u32 rx_out_of_buffer = 0; 381 int i; 382 int j; 383 384 PRIV_LOCK(priv); 385 out = mlx5_vzalloc(outlen); 386 if (out == NULL) 387 goto free_out; 388 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0) 389 goto free_out; 390 391 /* Collect firts the SW counters and then HW for consistency */ 392 for (i = 0; i < priv->params.num_channels; i++) { 393 struct mlx5e_rq *rq = &priv->channel[i]->rq; 394 395 rq_stats = &priv->channel[i]->rq.stats; 396 397 /* collect stats from LRO */ 398 rq_stats->sw_lro_queued = rq->lro.lro_queued; 399 rq_stats->sw_lro_flushed = rq->lro.lro_flushed; 400 sw_lro_queued += rq_stats->sw_lro_queued; 401 sw_lro_flushed += rq_stats->sw_lro_flushed; 402 lro_packets += rq_stats->lro_packets; 403 lro_bytes += rq_stats->lro_bytes; 404 rx_csum_none += rq_stats->csum_none; 405 rx_wqe_err += rq_stats->wqe_err; 406 407 for (j = 0; j < priv->num_tc; j++) { 408 sq_stats = &priv->channel[i]->sq[j].stats; 409 sq_br = priv->channel[i]->sq[j].br; 410 411 tso_packets += sq_stats->tso_packets; 412 tso_bytes += sq_stats->tso_bytes; 413 tx_queue_dropped += sq_stats->dropped; 414 tx_queue_dropped += sq_br->br_drops; 415 tx_defragged += sq_stats->defragged; 416 tx_offload_none += sq_stats->csum_offload_none; 417 } 418 } 419 420 /* update counters */ 421 s->tso_packets = tso_packets; 422 s->tso_bytes = tso_bytes; 423 s->tx_queue_dropped = tx_queue_dropped; 424 s->tx_defragged = tx_defragged; 425 s->lro_packets = lro_packets; 426 s->lro_bytes = lro_bytes; 427 s->sw_lro_queued = sw_lro_queued; 428 s->sw_lro_flushed = sw_lro_flushed; 429 s->rx_csum_none = rx_csum_none; 430 s->rx_wqe_err = rx_wqe_err; 431 432 /* HW counters */ 433 memset(in, 0, sizeof(in)); 434 435 MLX5_SET(query_vport_counter_in, in, opcode, 436 MLX5_CMD_OP_QUERY_VPORT_COUNTER); 437 MLX5_SET(query_vport_counter_in, in, op_mod, 0); 438 MLX5_SET(query_vport_counter_in, in, other_vport, 0); 439 440 memset(out, 0, outlen); 441 442 /* get number of out-of-buffer drops first */ 443 if (mlx5_vport_query_out_of_rx_buffer(mdev, priv->counter_set_id, 444 &rx_out_of_buffer)) 445 goto free_out; 446 447 /* accumulate difference into a 64-bit counter */ 448 s->rx_out_of_buffer += (u64)(u32)(rx_out_of_buffer - s->rx_out_of_buffer_prev); 449 s->rx_out_of_buffer_prev = rx_out_of_buffer; 450 451 /* get port statistics */ 452 if (mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen)) 453 goto free_out; 454 455 #define MLX5_GET_CTR(out, x) \ 456 MLX5_GET64(query_vport_counter_out, out, x) 457 458 s->rx_error_packets = 459 MLX5_GET_CTR(out, received_errors.packets); 460 s->rx_error_bytes = 461 MLX5_GET_CTR(out, received_errors.octets); 462 s->tx_error_packets = 463 MLX5_GET_CTR(out, transmit_errors.packets); 464 s->tx_error_bytes = 465 MLX5_GET_CTR(out, transmit_errors.octets); 466 467 s->rx_unicast_packets = 468 MLX5_GET_CTR(out, received_eth_unicast.packets); 469 s->rx_unicast_bytes = 470 MLX5_GET_CTR(out, received_eth_unicast.octets); 471 s->tx_unicast_packets = 472 MLX5_GET_CTR(out, transmitted_eth_unicast.packets); 473 s->tx_unicast_bytes = 474 MLX5_GET_CTR(out, transmitted_eth_unicast.octets); 475 476 s->rx_multicast_packets = 477 MLX5_GET_CTR(out, received_eth_multicast.packets); 478 s->rx_multicast_bytes = 479 MLX5_GET_CTR(out, received_eth_multicast.octets); 480 s->tx_multicast_packets = 481 MLX5_GET_CTR(out, transmitted_eth_multicast.packets); 482 s->tx_multicast_bytes = 483 MLX5_GET_CTR(out, transmitted_eth_multicast.octets); 484 485 s->rx_broadcast_packets = 486 MLX5_GET_CTR(out, received_eth_broadcast.packets); 487 s->rx_broadcast_bytes = 488 MLX5_GET_CTR(out, received_eth_broadcast.octets); 489 s->tx_broadcast_packets = 490 MLX5_GET_CTR(out, transmitted_eth_broadcast.packets); 491 s->tx_broadcast_bytes = 492 MLX5_GET_CTR(out, transmitted_eth_broadcast.octets); 493 494 s->rx_packets = 495 s->rx_unicast_packets + 496 s->rx_multicast_packets + 497 s->rx_broadcast_packets - 498 s->rx_out_of_buffer; 499 s->rx_bytes = 500 s->rx_unicast_bytes + 501 s->rx_multicast_bytes + 502 s->rx_broadcast_bytes; 503 s->tx_packets = 504 s->tx_unicast_packets + 505 s->tx_multicast_packets + 506 s->tx_broadcast_packets; 507 s->tx_bytes = 508 s->tx_unicast_bytes + 509 s->tx_multicast_bytes + 510 s->tx_broadcast_bytes; 511 512 /* Update calculated offload counters */ 513 s->tx_csum_offload = s->tx_packets - tx_offload_none; 514 s->rx_csum_good = s->rx_packets - s->rx_csum_none; 515 516 /* Update per port counters */ 517 mlx5e_update_pport_counters(priv); 518 519 #if (__FreeBSD_version < 1100000) 520 /* no get_counters interface in fbsd 10 */ 521 ifp->if_ipackets = s->rx_packets; 522 ifp->if_ierrors = s->rx_error_packets; 523 ifp->if_iqdrops = s->rx_out_of_buffer; 524 ifp->if_opackets = s->tx_packets; 525 ifp->if_oerrors = s->tx_error_packets; 526 ifp->if_snd.ifq_drops = s->tx_queue_dropped; 527 ifp->if_ibytes = s->rx_bytes; 528 ifp->if_obytes = s->tx_bytes; 529 #endif 530 531 free_out: 532 kvfree(out); 533 PRIV_UNLOCK(priv); 534 } 535 536 static void 537 mlx5e_update_stats(void *arg) 538 { 539 struct mlx5e_priv *priv = arg; 540 541 schedule_work(&priv->update_stats_work); 542 543 callout_reset(&priv->watchdog, hz, &mlx5e_update_stats, priv); 544 } 545 546 static void 547 mlx5e_async_event_sub(struct mlx5e_priv *priv, 548 enum mlx5_dev_event event) 549 { 550 switch (event) { 551 case MLX5_DEV_EVENT_PORT_UP: 552 case MLX5_DEV_EVENT_PORT_DOWN: 553 schedule_work(&priv->update_carrier_work); 554 break; 555 556 default: 557 break; 558 } 559 } 560 561 static void 562 mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, 563 enum mlx5_dev_event event, unsigned long param) 564 { 565 struct mlx5e_priv *priv = vpriv; 566 567 mtx_lock(&priv->async_events_mtx); 568 if (test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state)) 569 mlx5e_async_event_sub(priv, event); 570 mtx_unlock(&priv->async_events_mtx); 571 } 572 573 static void 574 mlx5e_enable_async_events(struct mlx5e_priv *priv) 575 { 576 set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state); 577 } 578 579 static void 580 mlx5e_disable_async_events(struct mlx5e_priv *priv) 581 { 582 mtx_lock(&priv->async_events_mtx); 583 clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state); 584 mtx_unlock(&priv->async_events_mtx); 585 } 586 587 static const char *mlx5e_rq_stats_desc[] = { 588 MLX5E_RQ_STATS(MLX5E_STATS_DESC) 589 }; 590 591 static int 592 mlx5e_create_rq(struct mlx5e_channel *c, 593 struct mlx5e_rq_param *param, 594 struct mlx5e_rq *rq) 595 { 596 struct mlx5e_priv *priv = c->priv; 597 struct mlx5_core_dev *mdev = priv->mdev; 598 char buffer[16]; 599 void *rqc = param->rqc; 600 void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); 601 int wq_sz; 602 int err; 603 int i; 604 605 /* Create DMA descriptor TAG */ 606 if ((err = -bus_dma_tag_create( 607 bus_get_dma_tag(mdev->pdev->dev.bsddev), 608 1, /* any alignment */ 609 0, /* no boundary */ 610 BUS_SPACE_MAXADDR, /* lowaddr */ 611 BUS_SPACE_MAXADDR, /* highaddr */ 612 NULL, NULL, /* filter, filterarg */ 613 MJUM16BYTES, /* maxsize */ 614 1, /* nsegments */ 615 MJUM16BYTES, /* maxsegsize */ 616 0, /* flags */ 617 NULL, NULL, /* lockfunc, lockfuncarg */ 618 &rq->dma_tag))) 619 goto done; 620 621 err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, 622 &rq->wq_ctrl); 623 if (err) 624 goto err_free_dma_tag; 625 626 rq->wq.db = &rq->wq.db[MLX5_RCV_DBR]; 627 628 if (priv->params.hw_lro_en) { 629 rq->wqe_sz = priv->params.lro_wqe_sz; 630 } else { 631 rq->wqe_sz = MLX5E_SW2MB_MTU(priv->ifp->if_mtu); 632 } 633 if (rq->wqe_sz > MJUM16BYTES) { 634 err = -ENOMEM; 635 goto err_rq_wq_destroy; 636 } else if (rq->wqe_sz > MJUM9BYTES) { 637 rq->wqe_sz = MJUM16BYTES; 638 } else if (rq->wqe_sz > MJUMPAGESIZE) { 639 rq->wqe_sz = MJUM9BYTES; 640 } else if (rq->wqe_sz > MCLBYTES) { 641 rq->wqe_sz = MJUMPAGESIZE; 642 } else { 643 rq->wqe_sz = MCLBYTES; 644 } 645 646 wq_sz = mlx5_wq_ll_get_size(&rq->wq); 647 rq->mbuf = malloc(wq_sz * sizeof(rq->mbuf[0]), M_MLX5EN, M_WAITOK | M_ZERO); 648 if (rq->mbuf == NULL) { 649 err = -ENOMEM; 650 goto err_rq_wq_destroy; 651 } 652 for (i = 0; i != wq_sz; i++) { 653 struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); 654 uint32_t byte_count = rq->wqe_sz - MLX5E_NET_IP_ALIGN; 655 656 err = -bus_dmamap_create(rq->dma_tag, 0, &rq->mbuf[i].dma_map); 657 if (err != 0) { 658 while (i--) 659 bus_dmamap_destroy(rq->dma_tag, rq->mbuf[i].dma_map); 660 goto err_rq_mbuf_free; 661 } 662 wqe->data.lkey = c->mkey_be; 663 wqe->data.byte_count = cpu_to_be32(byte_count | MLX5_HW_START_PADDING); 664 } 665 666 rq->pdev = c->pdev; 667 rq->ifp = c->ifp; 668 rq->channel = c; 669 rq->ix = c->ix; 670 671 snprintf(buffer, sizeof(buffer), "rxstat%d", c->ix); 672 mlx5e_create_stats(&rq->stats.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 673 buffer, mlx5e_rq_stats_desc, MLX5E_RQ_STATS_NUM, 674 rq->stats.arg); 675 676 #ifdef HAVE_TURBO_LRO 677 if (tcp_tlro_init(&rq->lro, c->ifp, MLX5E_BUDGET_MAX) != 0) 678 rq->lro.mbuf = NULL; 679 #else 680 if (tcp_lro_init(&rq->lro)) 681 rq->lro.lro_cnt = 0; 682 else 683 rq->lro.ifp = c->ifp; 684 #endif 685 return (0); 686 687 err_rq_mbuf_free: 688 free(rq->mbuf, M_MLX5EN); 689 err_rq_wq_destroy: 690 mlx5_wq_destroy(&rq->wq_ctrl); 691 err_free_dma_tag: 692 bus_dma_tag_destroy(rq->dma_tag); 693 done: 694 return (err); 695 } 696 697 static void 698 mlx5e_destroy_rq(struct mlx5e_rq *rq) 699 { 700 int wq_sz; 701 int i; 702 703 /* destroy all sysctl nodes */ 704 sysctl_ctx_free(&rq->stats.ctx); 705 706 /* free leftover LRO packets, if any */ 707 #ifdef HAVE_TURBO_LRO 708 tcp_tlro_free(&rq->lro); 709 #else 710 tcp_lro_free(&rq->lro); 711 #endif 712 wq_sz = mlx5_wq_ll_get_size(&rq->wq); 713 for (i = 0; i != wq_sz; i++) { 714 if (rq->mbuf[i].mbuf != NULL) { 715 bus_dmamap_unload(rq->dma_tag, 716 rq->mbuf[i].dma_map); 717 m_freem(rq->mbuf[i].mbuf); 718 } 719 bus_dmamap_destroy(rq->dma_tag, rq->mbuf[i].dma_map); 720 } 721 free(rq->mbuf, M_MLX5EN); 722 mlx5_wq_destroy(&rq->wq_ctrl); 723 } 724 725 static int 726 mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param) 727 { 728 struct mlx5e_channel *c = rq->channel; 729 struct mlx5e_priv *priv = c->priv; 730 struct mlx5_core_dev *mdev = priv->mdev; 731 732 void *in; 733 void *rqc; 734 void *wq; 735 int inlen; 736 int err; 737 738 inlen = MLX5_ST_SZ_BYTES(create_rq_in) + 739 sizeof(u64) * rq->wq_ctrl.buf.npages; 740 in = mlx5_vzalloc(inlen); 741 if (in == NULL) 742 return (-ENOMEM); 743 744 rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 745 wq = MLX5_ADDR_OF(rqc, rqc, wq); 746 747 memcpy(rqc, param->rqc, sizeof(param->rqc)); 748 749 MLX5_SET(rqc, rqc, cqn, c->rq.cq.mcq.cqn); 750 MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 751 MLX5_SET(rqc, rqc, flush_in_error_en, 1); 752 if (priv->counter_set_id >= 0) 753 MLX5_SET(rqc, rqc, counter_set_id, priv->counter_set_id); 754 MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift - 755 PAGE_SHIFT); 756 MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma); 757 758 mlx5_fill_page_array(&rq->wq_ctrl.buf, 759 (__be64 *) MLX5_ADDR_OF(wq, wq, pas)); 760 761 err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn); 762 763 kvfree(in); 764 765 return (err); 766 } 767 768 static int 769 mlx5e_modify_rq(struct mlx5e_rq *rq, int curr_state, int next_state) 770 { 771 struct mlx5e_channel *c = rq->channel; 772 struct mlx5e_priv *priv = c->priv; 773 struct mlx5_core_dev *mdev = priv->mdev; 774 775 void *in; 776 void *rqc; 777 int inlen; 778 int err; 779 780 inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 781 in = mlx5_vzalloc(inlen); 782 if (in == NULL) 783 return (-ENOMEM); 784 785 rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 786 787 MLX5_SET(modify_rq_in, in, rqn, rq->rqn); 788 MLX5_SET(modify_rq_in, in, rq_state, curr_state); 789 MLX5_SET(rqc, rqc, state, next_state); 790 791 err = mlx5_core_modify_rq(mdev, in, inlen); 792 793 kvfree(in); 794 795 return (err); 796 } 797 798 static void 799 mlx5e_disable_rq(struct mlx5e_rq *rq) 800 { 801 struct mlx5e_channel *c = rq->channel; 802 struct mlx5e_priv *priv = c->priv; 803 struct mlx5_core_dev *mdev = priv->mdev; 804 805 mlx5_core_destroy_rq(mdev, rq->rqn); 806 } 807 808 static int 809 mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq) 810 { 811 struct mlx5e_channel *c = rq->channel; 812 struct mlx5e_priv *priv = c->priv; 813 struct mlx5_wq_ll *wq = &rq->wq; 814 int i; 815 816 for (i = 0; i < 1000; i++) { 817 if (wq->cur_sz >= priv->params.min_rx_wqes) 818 return (0); 819 820 msleep(4); 821 } 822 return (-ETIMEDOUT); 823 } 824 825 static int 826 mlx5e_open_rq(struct mlx5e_channel *c, 827 struct mlx5e_rq_param *param, 828 struct mlx5e_rq *rq) 829 { 830 int err; 831 int i; 832 833 err = mlx5e_create_rq(c, param, rq); 834 if (err) 835 return (err); 836 837 err = mlx5e_enable_rq(rq, param); 838 if (err) 839 goto err_destroy_rq; 840 841 err = mlx5e_modify_rq(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY); 842 if (err) 843 goto err_disable_rq; 844 845 c->rq.enabled = 1; 846 847 /* 848 * Test send queues, which will trigger 849 * "mlx5e_post_rx_wqes()": 850 */ 851 for (i = 0; i != c->num_tc; i++) 852 mlx5e_send_nop(&c->sq[i], 1, true); 853 return (0); 854 855 err_disable_rq: 856 mlx5e_disable_rq(rq); 857 err_destroy_rq: 858 mlx5e_destroy_rq(rq); 859 860 return (err); 861 } 862 863 static void 864 mlx5e_close_rq(struct mlx5e_rq *rq) 865 { 866 rq->enabled = 0; 867 mlx5e_modify_rq(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR); 868 } 869 870 static void 871 mlx5e_close_rq_wait(struct mlx5e_rq *rq) 872 { 873 /* wait till RQ is empty */ 874 while (!mlx5_wq_ll_is_empty(&rq->wq)) { 875 msleep(4); 876 rq->cq.mcq.comp(&rq->cq.mcq); 877 } 878 879 mlx5e_disable_rq(rq); 880 mlx5e_destroy_rq(rq); 881 } 882 883 static void 884 mlx5e_free_sq_db(struct mlx5e_sq *sq) 885 { 886 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); 887 int x; 888 889 for (x = 0; x != wq_sz; x++) 890 bus_dmamap_destroy(sq->dma_tag, sq->mbuf[x].dma_map); 891 free(sq->mbuf, M_MLX5EN); 892 } 893 894 static int 895 mlx5e_alloc_sq_db(struct mlx5e_sq *sq) 896 { 897 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); 898 int err; 899 int x; 900 901 sq->mbuf = malloc(wq_sz * sizeof(sq->mbuf[0]), M_MLX5EN, M_WAITOK | M_ZERO); 902 if (sq->mbuf == NULL) 903 return (-ENOMEM); 904 905 /* Create DMA descriptor MAPs */ 906 for (x = 0; x != wq_sz; x++) { 907 err = -bus_dmamap_create(sq->dma_tag, 0, &sq->mbuf[x].dma_map); 908 if (err != 0) { 909 while (x--) 910 bus_dmamap_destroy(sq->dma_tag, sq->mbuf[x].dma_map); 911 free(sq->mbuf, M_MLX5EN); 912 return (err); 913 } 914 } 915 return (0); 916 } 917 918 static const char *mlx5e_sq_stats_desc[] = { 919 MLX5E_SQ_STATS(MLX5E_STATS_DESC) 920 }; 921 922 static int 923 mlx5e_create_sq(struct mlx5e_channel *c, 924 int tc, 925 struct mlx5e_sq_param *param, 926 struct mlx5e_sq *sq) 927 { 928 struct mlx5e_priv *priv = c->priv; 929 struct mlx5_core_dev *mdev = priv->mdev; 930 char buffer[16]; 931 932 void *sqc = param->sqc; 933 void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq); 934 #ifdef RSS 935 cpuset_t cpu_mask; 936 int cpu_id; 937 #endif 938 int err; 939 940 /* Create DMA descriptor TAG */ 941 if ((err = -bus_dma_tag_create( 942 bus_get_dma_tag(mdev->pdev->dev.bsddev), 943 1, /* any alignment */ 944 0, /* no boundary */ 945 BUS_SPACE_MAXADDR, /* lowaddr */ 946 BUS_SPACE_MAXADDR, /* highaddr */ 947 NULL, NULL, /* filter, filterarg */ 948 MLX5E_MAX_TX_PAYLOAD_SIZE, /* maxsize */ 949 MLX5E_MAX_TX_MBUF_FRAGS, /* nsegments */ 950 MLX5E_MAX_TX_MBUF_SIZE, /* maxsegsize */ 951 0, /* flags */ 952 NULL, NULL, /* lockfunc, lockfuncarg */ 953 &sq->dma_tag))) 954 goto done; 955 956 err = mlx5_alloc_map_uar(mdev, &sq->uar); 957 if (err) 958 goto err_free_dma_tag; 959 960 err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, 961 &sq->wq_ctrl); 962 if (err) 963 goto err_unmap_free_uar; 964 965 sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; 966 sq->uar_map = sq->uar.map; 967 sq->uar_bf_map = sq->uar.bf_map; 968 sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; 969 970 err = mlx5e_alloc_sq_db(sq); 971 if (err) 972 goto err_sq_wq_destroy; 973 974 sq->pdev = c->pdev; 975 sq->mkey_be = c->mkey_be; 976 sq->channel = c; 977 sq->tc = tc; 978 979 sq->br = buf_ring_alloc(MLX5E_SQ_TX_QUEUE_SIZE, M_MLX5EN, 980 M_WAITOK, &sq->lock); 981 if (sq->br == NULL) { 982 if_printf(c->ifp, "%s: Failed allocating sq drbr buffer\n", 983 __func__); 984 err = -ENOMEM; 985 goto err_free_sq_db; 986 } 987 988 sq->sq_tq = taskqueue_create_fast("mlx5e_que", M_WAITOK, 989 taskqueue_thread_enqueue, &sq->sq_tq); 990 if (sq->sq_tq == NULL) { 991 if_printf(c->ifp, "%s: Failed allocating taskqueue\n", 992 __func__); 993 err = -ENOMEM; 994 goto err_free_drbr; 995 } 996 997 TASK_INIT(&sq->sq_task, 0, mlx5e_tx_que, sq); 998 #ifdef RSS 999 cpu_id = rss_getcpu(c->ix % rss_getnumbuckets()); 1000 CPU_SETOF(cpu_id, &cpu_mask); 1001 taskqueue_start_threads_cpuset(&sq->sq_tq, 1, PI_NET, &cpu_mask, 1002 "%s TX SQ%d.%d CPU%d", c->ifp->if_xname, c->ix, tc, cpu_id); 1003 #else 1004 taskqueue_start_threads(&sq->sq_tq, 1, PI_NET, 1005 "%s TX SQ%d.%d", c->ifp->if_xname, c->ix, tc); 1006 #endif 1007 snprintf(buffer, sizeof(buffer), "txstat%dtc%d", c->ix, tc); 1008 mlx5e_create_stats(&sq->stats.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 1009 buffer, mlx5e_sq_stats_desc, MLX5E_SQ_STATS_NUM, 1010 sq->stats.arg); 1011 1012 return (0); 1013 1014 err_free_drbr: 1015 buf_ring_free(sq->br, M_MLX5EN); 1016 err_free_sq_db: 1017 mlx5e_free_sq_db(sq); 1018 err_sq_wq_destroy: 1019 mlx5_wq_destroy(&sq->wq_ctrl); 1020 1021 err_unmap_free_uar: 1022 mlx5_unmap_free_uar(mdev, &sq->uar); 1023 1024 err_free_dma_tag: 1025 bus_dma_tag_destroy(sq->dma_tag); 1026 done: 1027 return (err); 1028 } 1029 1030 static void 1031 mlx5e_destroy_sq(struct mlx5e_sq *sq) 1032 { 1033 struct mlx5e_channel *c = sq->channel; 1034 struct mlx5e_priv *priv = c->priv; 1035 1036 /* destroy all sysctl nodes */ 1037 sysctl_ctx_free(&sq->stats.ctx); 1038 1039 mlx5e_free_sq_db(sq); 1040 mlx5_wq_destroy(&sq->wq_ctrl); 1041 mlx5_unmap_free_uar(priv->mdev, &sq->uar); 1042 taskqueue_drain(sq->sq_tq, &sq->sq_task); 1043 taskqueue_free(sq->sq_tq); 1044 buf_ring_free(sq->br, M_MLX5EN); 1045 } 1046 1047 static int 1048 mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param) 1049 { 1050 struct mlx5e_channel *c = sq->channel; 1051 struct mlx5e_priv *priv = c->priv; 1052 struct mlx5_core_dev *mdev = priv->mdev; 1053 1054 void *in; 1055 void *sqc; 1056 void *wq; 1057 int inlen; 1058 int err; 1059 1060 inlen = MLX5_ST_SZ_BYTES(create_sq_in) + 1061 sizeof(u64) * sq->wq_ctrl.buf.npages; 1062 in = mlx5_vzalloc(inlen); 1063 if (in == NULL) 1064 return (-ENOMEM); 1065 1066 sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 1067 wq = MLX5_ADDR_OF(sqc, sqc, wq); 1068 1069 memcpy(sqc, param->sqc, sizeof(param->sqc)); 1070 1071 MLX5_SET(sqc, sqc, tis_num_0, priv->tisn[sq->tc]); 1072 MLX5_SET(sqc, sqc, cqn, c->sq[sq->tc].cq.mcq.cqn); 1073 MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 1074 MLX5_SET(sqc, sqc, tis_lst_sz, 1); 1075 MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1076 1077 MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1078 MLX5_SET(wq, wq, uar_page, sq->uar.index); 1079 MLX5_SET(wq, wq, log_wq_pg_sz, sq->wq_ctrl.buf.page_shift - 1080 PAGE_SHIFT); 1081 MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma); 1082 1083 mlx5_fill_page_array(&sq->wq_ctrl.buf, 1084 (__be64 *) MLX5_ADDR_OF(wq, wq, pas)); 1085 1086 err = mlx5_core_create_sq(mdev, in, inlen, &sq->sqn); 1087 1088 kvfree(in); 1089 1090 return (err); 1091 } 1092 1093 static int 1094 mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, int next_state) 1095 { 1096 struct mlx5e_channel *c = sq->channel; 1097 struct mlx5e_priv *priv = c->priv; 1098 struct mlx5_core_dev *mdev = priv->mdev; 1099 1100 void *in; 1101 void *sqc; 1102 int inlen; 1103 int err; 1104 1105 inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 1106 in = mlx5_vzalloc(inlen); 1107 if (in == NULL) 1108 return (-ENOMEM); 1109 1110 sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 1111 1112 MLX5_SET(modify_sq_in, in, sqn, sq->sqn); 1113 MLX5_SET(modify_sq_in, in, sq_state, curr_state); 1114 MLX5_SET(sqc, sqc, state, next_state); 1115 1116 err = mlx5_core_modify_sq(mdev, in, inlen); 1117 1118 kvfree(in); 1119 1120 return (err); 1121 } 1122 1123 static void 1124 mlx5e_disable_sq(struct mlx5e_sq *sq) 1125 { 1126 struct mlx5e_channel *c = sq->channel; 1127 struct mlx5e_priv *priv = c->priv; 1128 struct mlx5_core_dev *mdev = priv->mdev; 1129 1130 mlx5_core_destroy_sq(mdev, sq->sqn); 1131 } 1132 1133 static int 1134 mlx5e_open_sq(struct mlx5e_channel *c, 1135 int tc, 1136 struct mlx5e_sq_param *param, 1137 struct mlx5e_sq *sq) 1138 { 1139 int err; 1140 1141 err = mlx5e_create_sq(c, tc, param, sq); 1142 if (err) 1143 return (err); 1144 1145 err = mlx5e_enable_sq(sq, param); 1146 if (err) 1147 goto err_destroy_sq; 1148 1149 err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY); 1150 if (err) 1151 goto err_disable_sq; 1152 1153 atomic_store_rel_int(&sq->queue_state, MLX5E_SQ_READY); 1154 1155 return (0); 1156 1157 err_disable_sq: 1158 mlx5e_disable_sq(sq); 1159 err_destroy_sq: 1160 mlx5e_destroy_sq(sq); 1161 1162 return (err); 1163 } 1164 1165 static void 1166 mlx5e_close_sq(struct mlx5e_sq *sq) 1167 { 1168 1169 /* ensure hw is notified of all pending wqes */ 1170 if (mlx5e_sq_has_room_for(sq, 1)) 1171 mlx5e_send_nop(sq, 1, true); 1172 1173 mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, MLX5_SQC_STATE_ERR); 1174 } 1175 1176 static void 1177 mlx5e_close_sq_wait(struct mlx5e_sq *sq) 1178 { 1179 /* wait till SQ is empty */ 1180 while (sq->cc != sq->pc) { 1181 msleep(4); 1182 sq->cq.mcq.comp(&sq->cq.mcq); 1183 } 1184 1185 mlx5e_disable_sq(sq); 1186 mlx5e_destroy_sq(sq); 1187 } 1188 1189 static int 1190 mlx5e_create_cq(struct mlx5e_channel *c, 1191 struct mlx5e_cq_param *param, 1192 struct mlx5e_cq *cq, 1193 mlx5e_cq_comp_t *comp) 1194 { 1195 struct mlx5e_priv *priv = c->priv; 1196 struct mlx5_core_dev *mdev = priv->mdev; 1197 struct mlx5_core_cq *mcq = &cq->mcq; 1198 int eqn_not_used; 1199 int irqn; 1200 int err; 1201 u32 i; 1202 1203 param->wq.buf_numa_node = 0; 1204 param->wq.db_numa_node = 0; 1205 param->eq_ix = c->ix; 1206 1207 err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, 1208 &cq->wq_ctrl); 1209 if (err) 1210 return (err); 1211 1212 mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); 1213 1214 mcq->cqe_sz = 64; 1215 mcq->set_ci_db = cq->wq_ctrl.db.db; 1216 mcq->arm_db = cq->wq_ctrl.db.db + 1; 1217 *mcq->set_ci_db = 0; 1218 *mcq->arm_db = 0; 1219 mcq->vector = param->eq_ix; 1220 mcq->comp = comp; 1221 mcq->event = mlx5e_cq_error_event; 1222 mcq->irqn = irqn; 1223 mcq->uar = &priv->cq_uar; 1224 1225 for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) { 1226 struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i); 1227 1228 cqe->op_own = 0xf1; 1229 } 1230 1231 cq->channel = c; 1232 1233 return (0); 1234 } 1235 1236 static void 1237 mlx5e_destroy_cq(struct mlx5e_cq *cq) 1238 { 1239 mlx5_wq_destroy(&cq->wq_ctrl); 1240 } 1241 1242 static int 1243 mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param, 1244 u8 moderation_mode) 1245 { 1246 struct mlx5e_channel *c = cq->channel; 1247 struct mlx5e_priv *priv = c->priv; 1248 struct mlx5_core_dev *mdev = priv->mdev; 1249 struct mlx5_core_cq *mcq = &cq->mcq; 1250 void *in; 1251 void *cqc; 1252 int inlen; 1253 int irqn_not_used; 1254 int eqn; 1255 int err; 1256 1257 inlen = MLX5_ST_SZ_BYTES(create_cq_in) + 1258 sizeof(u64) * cq->wq_ctrl.buf.npages; 1259 in = mlx5_vzalloc(inlen); 1260 if (in == NULL) 1261 return (-ENOMEM); 1262 1263 cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); 1264 1265 memcpy(cqc, param->cqc, sizeof(param->cqc)); 1266 1267 mlx5_fill_page_array(&cq->wq_ctrl.buf, 1268 (__be64 *) MLX5_ADDR_OF(create_cq_in, in, pas)); 1269 1270 mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used); 1271 1272 MLX5_SET(cqc, cqc, cq_period_mode, moderation_mode); 1273 MLX5_SET(cqc, cqc, c_eqn, eqn); 1274 MLX5_SET(cqc, cqc, uar_page, mcq->uar->index); 1275 MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift - 1276 PAGE_SHIFT); 1277 MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma); 1278 1279 err = mlx5_core_create_cq(mdev, mcq, in, inlen); 1280 1281 kvfree(in); 1282 1283 if (err) 1284 return (err); 1285 1286 mlx5e_cq_arm(cq); 1287 1288 return (0); 1289 } 1290 1291 static void 1292 mlx5e_disable_cq(struct mlx5e_cq *cq) 1293 { 1294 struct mlx5e_channel *c = cq->channel; 1295 struct mlx5e_priv *priv = c->priv; 1296 struct mlx5_core_dev *mdev = priv->mdev; 1297 1298 mlx5_core_destroy_cq(mdev, &cq->mcq); 1299 } 1300 1301 static int 1302 mlx5e_open_cq(struct mlx5e_channel *c, 1303 struct mlx5e_cq_param *param, 1304 struct mlx5e_cq *cq, 1305 mlx5e_cq_comp_t *comp, 1306 u8 moderation_mode) 1307 { 1308 int err; 1309 1310 err = mlx5e_create_cq(c, param, cq, comp); 1311 if (err) 1312 return (err); 1313 1314 err = mlx5e_enable_cq(cq, param, moderation_mode); 1315 if (err) 1316 goto err_destroy_cq; 1317 1318 return (0); 1319 1320 err_destroy_cq: 1321 mlx5e_destroy_cq(cq); 1322 1323 return (err); 1324 } 1325 1326 static void 1327 mlx5e_close_cq(struct mlx5e_cq *cq) 1328 { 1329 mlx5e_disable_cq(cq); 1330 mlx5e_destroy_cq(cq); 1331 } 1332 1333 static int 1334 mlx5e_open_tx_cqs(struct mlx5e_channel *c, 1335 struct mlx5e_channel_param *cparam) 1336 { 1337 u8 tx_moderation_mode; 1338 int err; 1339 int tc; 1340 1341 switch (c->priv->params.tx_cq_moderation_mode) { 1342 case 0: 1343 tx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1344 break; 1345 default: 1346 if (MLX5_CAP_GEN(c->priv->mdev, cq_period_start_from_cqe)) 1347 tx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_CQE; 1348 else 1349 tx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1350 break; 1351 } 1352 for (tc = 0; tc < c->num_tc; tc++) { 1353 /* open completion queue */ 1354 err = mlx5e_open_cq(c, &cparam->tx_cq, &c->sq[tc].cq, 1355 &mlx5e_tx_cq_comp, tx_moderation_mode); 1356 if (err) 1357 goto err_close_tx_cqs; 1358 } 1359 return (0); 1360 1361 err_close_tx_cqs: 1362 for (tc--; tc >= 0; tc--) 1363 mlx5e_close_cq(&c->sq[tc].cq); 1364 1365 return (err); 1366 } 1367 1368 static void 1369 mlx5e_close_tx_cqs(struct mlx5e_channel *c) 1370 { 1371 int tc; 1372 1373 for (tc = 0; tc < c->num_tc; tc++) 1374 mlx5e_close_cq(&c->sq[tc].cq); 1375 } 1376 1377 static int 1378 mlx5e_open_sqs(struct mlx5e_channel *c, 1379 struct mlx5e_channel_param *cparam) 1380 { 1381 int err; 1382 int tc; 1383 1384 for (tc = 0; tc < c->num_tc; tc++) { 1385 err = mlx5e_open_sq(c, tc, &cparam->sq, &c->sq[tc]); 1386 if (err) 1387 goto err_close_sqs; 1388 } 1389 1390 return (0); 1391 1392 err_close_sqs: 1393 for (tc--; tc >= 0; tc--) { 1394 mlx5e_close_sq(&c->sq[tc]); 1395 mlx5e_close_sq_wait(&c->sq[tc]); 1396 } 1397 1398 return (err); 1399 } 1400 1401 static void 1402 mlx5e_close_sqs(struct mlx5e_channel *c) 1403 { 1404 int tc; 1405 1406 for (tc = 0; tc < c->num_tc; tc++) 1407 mlx5e_close_sq(&c->sq[tc]); 1408 } 1409 1410 static void 1411 mlx5e_close_sqs_wait(struct mlx5e_channel *c) 1412 { 1413 int tc; 1414 1415 for (tc = 0; tc < c->num_tc; tc++) 1416 mlx5e_close_sq_wait(&c->sq[tc]); 1417 } 1418 1419 static void 1420 mlx5e_chan_mtx_init(struct mlx5e_channel *c) 1421 { 1422 int tc; 1423 1424 mtx_init(&c->rq.mtx, "mlx5rx", MTX_NETWORK_LOCK, MTX_DEF); 1425 1426 for (tc = 0; tc < c->num_tc; tc++) { 1427 mtx_init(&c->sq[tc].lock, "mlx5tx", MTX_NETWORK_LOCK, MTX_DEF); 1428 mtx_init(&c->sq[tc].comp_lock, "mlx5comp", MTX_NETWORK_LOCK, 1429 MTX_DEF); 1430 } 1431 } 1432 1433 static void 1434 mlx5e_chan_mtx_destroy(struct mlx5e_channel *c) 1435 { 1436 int tc; 1437 1438 mtx_destroy(&c->rq.mtx); 1439 1440 for (tc = 0; tc < c->num_tc; tc++) { 1441 mtx_destroy(&c->sq[tc].lock); 1442 mtx_destroy(&c->sq[tc].comp_lock); 1443 } 1444 } 1445 1446 static int 1447 mlx5e_open_channel(struct mlx5e_priv *priv, int ix, 1448 struct mlx5e_channel_param *cparam, 1449 struct mlx5e_channel *volatile *cp) 1450 { 1451 struct mlx5e_channel *c; 1452 u8 rx_moderation_mode; 1453 int err; 1454 1455 c = malloc(sizeof(*c), M_MLX5EN, M_WAITOK | M_ZERO); 1456 if (c == NULL) 1457 return (-ENOMEM); 1458 1459 c->priv = priv; 1460 c->ix = ix; 1461 c->cpu = 0; 1462 c->pdev = &priv->mdev->pdev->dev; 1463 c->ifp = priv->ifp; 1464 c->mkey_be = cpu_to_be32(priv->mr.key); 1465 c->num_tc = priv->num_tc; 1466 1467 /* init mutexes */ 1468 mlx5e_chan_mtx_init(c); 1469 1470 /* open transmit completion queue */ 1471 err = mlx5e_open_tx_cqs(c, cparam); 1472 if (err) 1473 goto err_free; 1474 1475 switch (priv->params.rx_cq_moderation_mode) { 1476 case 0: 1477 rx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1478 break; 1479 default: 1480 if (MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe)) 1481 rx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_CQE; 1482 else 1483 rx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1484 break; 1485 } 1486 1487 /* open receive completion queue */ 1488 err = mlx5e_open_cq(c, &cparam->rx_cq, &c->rq.cq, 1489 &mlx5e_rx_cq_comp, rx_moderation_mode); 1490 if (err) 1491 goto err_close_tx_cqs; 1492 1493 err = mlx5e_open_sqs(c, cparam); 1494 if (err) 1495 goto err_close_rx_cq; 1496 1497 err = mlx5e_open_rq(c, &cparam->rq, &c->rq); 1498 if (err) 1499 goto err_close_sqs; 1500 1501 /* store channel pointer */ 1502 *cp = c; 1503 1504 /* poll receive queue initially */ 1505 c->rq.cq.mcq.comp(&c->rq.cq.mcq); 1506 1507 return (0); 1508 1509 err_close_sqs: 1510 mlx5e_close_sqs(c); 1511 mlx5e_close_sqs_wait(c); 1512 1513 err_close_rx_cq: 1514 mlx5e_close_cq(&c->rq.cq); 1515 1516 err_close_tx_cqs: 1517 mlx5e_close_tx_cqs(c); 1518 1519 err_free: 1520 /* destroy mutexes */ 1521 mlx5e_chan_mtx_destroy(c); 1522 free(c, M_MLX5EN); 1523 return (err); 1524 } 1525 1526 static void 1527 mlx5e_close_channel(struct mlx5e_channel *volatile *pp) 1528 { 1529 struct mlx5e_channel *c = *pp; 1530 1531 /* check if channel is already closed */ 1532 if (c == NULL) 1533 return; 1534 mlx5e_close_rq(&c->rq); 1535 mlx5e_close_sqs(c); 1536 } 1537 1538 static void 1539 mlx5e_close_channel_wait(struct mlx5e_channel *volatile *pp) 1540 { 1541 struct mlx5e_channel *c = *pp; 1542 1543 /* check if channel is already closed */ 1544 if (c == NULL) 1545 return; 1546 /* ensure channel pointer is no longer used */ 1547 *pp = NULL; 1548 1549 mlx5e_close_rq_wait(&c->rq); 1550 mlx5e_close_sqs_wait(c); 1551 mlx5e_close_cq(&c->rq.cq); 1552 mlx5e_close_tx_cqs(c); 1553 /* destroy mutexes */ 1554 mlx5e_chan_mtx_destroy(c); 1555 free(c, M_MLX5EN); 1556 } 1557 1558 static void 1559 mlx5e_build_rq_param(struct mlx5e_priv *priv, 1560 struct mlx5e_rq_param *param) 1561 { 1562 void *rqc = param->rqc; 1563 void *wq = MLX5_ADDR_OF(rqc, rqc, wq); 1564 1565 MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); 1566 MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 1567 MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); 1568 MLX5_SET(wq, wq, log_wq_sz, priv->params.log_rq_size); 1569 MLX5_SET(wq, wq, pd, priv->pdn); 1570 1571 param->wq.buf_numa_node = 0; 1572 param->wq.db_numa_node = 0; 1573 param->wq.linear = 1; 1574 } 1575 1576 static void 1577 mlx5e_build_sq_param(struct mlx5e_priv *priv, 1578 struct mlx5e_sq_param *param) 1579 { 1580 void *sqc = param->sqc; 1581 void *wq = MLX5_ADDR_OF(sqc, sqc, wq); 1582 1583 MLX5_SET(wq, wq, log_wq_sz, priv->params.log_sq_size); 1584 MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 1585 MLX5_SET(wq, wq, pd, priv->pdn); 1586 1587 param->wq.buf_numa_node = 0; 1588 param->wq.db_numa_node = 0; 1589 param->wq.linear = 1; 1590 } 1591 1592 static void 1593 mlx5e_build_common_cq_param(struct mlx5e_priv *priv, 1594 struct mlx5e_cq_param *param) 1595 { 1596 void *cqc = param->cqc; 1597 1598 MLX5_SET(cqc, cqc, uar_page, priv->cq_uar.index); 1599 } 1600 1601 static void 1602 mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, 1603 struct mlx5e_cq_param *param) 1604 { 1605 void *cqc = param->cqc; 1606 1607 MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_rq_size); 1608 MLX5_SET(cqc, cqc, cq_period, priv->params.rx_cq_moderation_usec); 1609 MLX5_SET(cqc, cqc, cq_max_count, priv->params.rx_cq_moderation_pkts); 1610 1611 mlx5e_build_common_cq_param(priv, param); 1612 } 1613 1614 static void 1615 mlx5e_build_tx_cq_param(struct mlx5e_priv *priv, 1616 struct mlx5e_cq_param *param) 1617 { 1618 void *cqc = param->cqc; 1619 1620 MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_sq_size); 1621 MLX5_SET(cqc, cqc, cq_period, priv->params.tx_cq_moderation_usec); 1622 MLX5_SET(cqc, cqc, cq_max_count, priv->params.tx_cq_moderation_pkts); 1623 1624 mlx5e_build_common_cq_param(priv, param); 1625 } 1626 1627 static void 1628 mlx5e_build_channel_param(struct mlx5e_priv *priv, 1629 struct mlx5e_channel_param *cparam) 1630 { 1631 memset(cparam, 0, sizeof(*cparam)); 1632 1633 mlx5e_build_rq_param(priv, &cparam->rq); 1634 mlx5e_build_sq_param(priv, &cparam->sq); 1635 mlx5e_build_rx_cq_param(priv, &cparam->rx_cq); 1636 mlx5e_build_tx_cq_param(priv, &cparam->tx_cq); 1637 } 1638 1639 static int 1640 mlx5e_open_channels(struct mlx5e_priv *priv) 1641 { 1642 struct mlx5e_channel_param cparam; 1643 void *ptr; 1644 int err; 1645 int i; 1646 int j; 1647 1648 priv->channel = malloc(priv->params.num_channels * 1649 sizeof(struct mlx5e_channel *), M_MLX5EN, M_WAITOK | M_ZERO); 1650 if (priv->channel == NULL) 1651 return (-ENOMEM); 1652 1653 mlx5e_build_channel_param(priv, &cparam); 1654 for (i = 0; i < priv->params.num_channels; i++) { 1655 err = mlx5e_open_channel(priv, i, &cparam, &priv->channel[i]); 1656 if (err) 1657 goto err_close_channels; 1658 } 1659 1660 for (j = 0; j < priv->params.num_channels; j++) { 1661 err = mlx5e_wait_for_min_rx_wqes(&priv->channel[j]->rq); 1662 if (err) 1663 goto err_close_channels; 1664 } 1665 1666 return (0); 1667 1668 err_close_channels: 1669 for (i--; i >= 0; i--) { 1670 mlx5e_close_channel(&priv->channel[i]); 1671 mlx5e_close_channel_wait(&priv->channel[i]); 1672 } 1673 1674 /* remove "volatile" attribute from "channel" pointer */ 1675 ptr = __DECONST(void *, priv->channel); 1676 priv->channel = NULL; 1677 1678 free(ptr, M_MLX5EN); 1679 1680 return (err); 1681 } 1682 1683 static void 1684 mlx5e_close_channels(struct mlx5e_priv *priv) 1685 { 1686 void *ptr; 1687 int i; 1688 1689 if (priv->channel == NULL) 1690 return; 1691 1692 for (i = 0; i < priv->params.num_channels; i++) 1693 mlx5e_close_channel(&priv->channel[i]); 1694 for (i = 0; i < priv->params.num_channels; i++) 1695 mlx5e_close_channel_wait(&priv->channel[i]); 1696 1697 /* remove "volatile" attribute from "channel" pointer */ 1698 ptr = __DECONST(void *, priv->channel); 1699 priv->channel = NULL; 1700 1701 free(ptr, M_MLX5EN); 1702 } 1703 1704 static int 1705 mlx5e_open_tis(struct mlx5e_priv *priv, int tc) 1706 { 1707 struct mlx5_core_dev *mdev = priv->mdev; 1708 u32 in[MLX5_ST_SZ_DW(create_tis_in)]; 1709 void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 1710 1711 memset(in, 0, sizeof(in)); 1712 1713 MLX5_SET(tisc, tisc, prio, tc); 1714 MLX5_SET(tisc, tisc, transport_domain, priv->tdn); 1715 1716 return (mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc])); 1717 } 1718 1719 static void 1720 mlx5e_close_tis(struct mlx5e_priv *priv, int tc) 1721 { 1722 mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]); 1723 } 1724 1725 static int 1726 mlx5e_open_tises(struct mlx5e_priv *priv) 1727 { 1728 int num_tc = priv->num_tc; 1729 int err; 1730 int tc; 1731 1732 for (tc = 0; tc < num_tc; tc++) { 1733 err = mlx5e_open_tis(priv, tc); 1734 if (err) 1735 goto err_close_tises; 1736 } 1737 1738 return (0); 1739 1740 err_close_tises: 1741 for (tc--; tc >= 0; tc--) 1742 mlx5e_close_tis(priv, tc); 1743 1744 return (err); 1745 } 1746 1747 static void 1748 mlx5e_close_tises(struct mlx5e_priv *priv) 1749 { 1750 int num_tc = priv->num_tc; 1751 int tc; 1752 1753 for (tc = 0; tc < num_tc; tc++) 1754 mlx5e_close_tis(priv, tc); 1755 } 1756 1757 static int 1758 mlx5e_open_rqt(struct mlx5e_priv *priv) 1759 { 1760 struct mlx5_core_dev *mdev = priv->mdev; 1761 u32 *in; 1762 u32 out[MLX5_ST_SZ_DW(create_rqt_out)]; 1763 void *rqtc; 1764 int inlen; 1765 int err; 1766 int sz; 1767 int i; 1768 1769 sz = 1 << priv->params.rx_hash_log_tbl_sz; 1770 1771 inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 1772 in = mlx5_vzalloc(inlen); 1773 if (in == NULL) 1774 return (-ENOMEM); 1775 rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 1776 1777 MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 1778 MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 1779 1780 for (i = 0; i < sz; i++) { 1781 int ix; 1782 #ifdef RSS 1783 ix = rss_get_indirection_to_bucket(i); 1784 #else 1785 ix = i; 1786 #endif 1787 /* ensure we don't overflow */ 1788 ix %= priv->params.num_channels; 1789 MLX5_SET(rqtc, rqtc, rq_num[i], priv->channel[ix]->rq.rqn); 1790 } 1791 1792 MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT); 1793 1794 memset(out, 0, sizeof(out)); 1795 err = mlx5_cmd_exec_check_status(mdev, in, inlen, out, sizeof(out)); 1796 if (!err) 1797 priv->rqtn = MLX5_GET(create_rqt_out, out, rqtn); 1798 1799 kvfree(in); 1800 1801 return (err); 1802 } 1803 1804 static void 1805 mlx5e_close_rqt(struct mlx5e_priv *priv) 1806 { 1807 u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)]; 1808 u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)]; 1809 1810 memset(in, 0, sizeof(in)); 1811 1812 MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT); 1813 MLX5_SET(destroy_rqt_in, in, rqtn, priv->rqtn); 1814 1815 mlx5_cmd_exec_check_status(priv->mdev, in, sizeof(in), out, 1816 sizeof(out)); 1817 } 1818 1819 static void 1820 mlx5e_build_tir_ctx(struct mlx5e_priv *priv, u32 * tirc, int tt) 1821 { 1822 void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1823 __be32 *hkey; 1824 1825 MLX5_SET(tirc, tirc, transport_domain, priv->tdn); 1826 1827 #define ROUGH_MAX_L2_L3_HDR_SZ 256 1828 1829 #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ 1830 MLX5_HASH_FIELD_SEL_DST_IP) 1831 1832 #define MLX5_HASH_ALL (MLX5_HASH_FIELD_SEL_SRC_IP |\ 1833 MLX5_HASH_FIELD_SEL_DST_IP |\ 1834 MLX5_HASH_FIELD_SEL_L4_SPORT |\ 1835 MLX5_HASH_FIELD_SEL_L4_DPORT) 1836 1837 #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ 1838 MLX5_HASH_FIELD_SEL_DST_IP |\ 1839 MLX5_HASH_FIELD_SEL_IPSEC_SPI) 1840 1841 if (priv->params.hw_lro_en) { 1842 MLX5_SET(tirc, tirc, lro_enable_mask, 1843 MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | 1844 MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); 1845 MLX5_SET(tirc, tirc, lro_max_msg_sz, 1846 (priv->params.lro_wqe_sz - 1847 ROUGH_MAX_L2_L3_HDR_SZ) >> 8); 1848 /* TODO: add the option to choose timer value dynamically */ 1849 MLX5_SET(tirc, tirc, lro_timeout_period_usecs, 1850 MLX5_CAP_ETH(priv->mdev, 1851 lro_timer_supported_periods[2])); 1852 } 1853 1854 /* setup parameters for hashing TIR type, if any */ 1855 switch (tt) { 1856 case MLX5E_TT_ANY: 1857 MLX5_SET(tirc, tirc, disp_type, 1858 MLX5_TIRC_DISP_TYPE_DIRECT); 1859 MLX5_SET(tirc, tirc, inline_rqn, 1860 priv->channel[0]->rq.rqn); 1861 break; 1862 default: 1863 MLX5_SET(tirc, tirc, disp_type, 1864 MLX5_TIRC_DISP_TYPE_INDIRECT); 1865 MLX5_SET(tirc, tirc, indirect_table, 1866 priv->rqtn); 1867 MLX5_SET(tirc, tirc, rx_hash_fn, 1868 MLX5_TIRC_RX_HASH_FN_HASH_TOEPLITZ); 1869 hkey = (__be32 *) MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 1870 #ifdef RSS 1871 /* 1872 * The FreeBSD RSS implementation does currently not 1873 * support symmetric Toeplitz hashes: 1874 */ 1875 MLX5_SET(tirc, tirc, rx_hash_symmetric, 0); 1876 rss_getkey((uint8_t *)hkey); 1877 #else 1878 MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 1879 hkey[0] = cpu_to_be32(0xD181C62C); 1880 hkey[1] = cpu_to_be32(0xF7F4DB5B); 1881 hkey[2] = cpu_to_be32(0x1983A2FC); 1882 hkey[3] = cpu_to_be32(0x943E1ADB); 1883 hkey[4] = cpu_to_be32(0xD9389E6B); 1884 hkey[5] = cpu_to_be32(0xD1039C2C); 1885 hkey[6] = cpu_to_be32(0xA74499AD); 1886 hkey[7] = cpu_to_be32(0x593D56D9); 1887 hkey[8] = cpu_to_be32(0xF3253C06); 1888 hkey[9] = cpu_to_be32(0x2ADC1FFC); 1889 #endif 1890 break; 1891 } 1892 1893 switch (tt) { 1894 case MLX5E_TT_IPV4_TCP: 1895 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1896 MLX5_L3_PROT_TYPE_IPV4); 1897 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 1898 MLX5_L4_PROT_TYPE_TCP); 1899 #ifdef RSS 1900 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_TCP_IPV4)) { 1901 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1902 MLX5_HASH_IP); 1903 } else 1904 #endif 1905 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1906 MLX5_HASH_ALL); 1907 break; 1908 1909 case MLX5E_TT_IPV6_TCP: 1910 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1911 MLX5_L3_PROT_TYPE_IPV6); 1912 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 1913 MLX5_L4_PROT_TYPE_TCP); 1914 #ifdef RSS 1915 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_TCP_IPV6)) { 1916 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1917 MLX5_HASH_IP); 1918 } else 1919 #endif 1920 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1921 MLX5_HASH_ALL); 1922 break; 1923 1924 case MLX5E_TT_IPV4_UDP: 1925 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1926 MLX5_L3_PROT_TYPE_IPV4); 1927 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 1928 MLX5_L4_PROT_TYPE_UDP); 1929 #ifdef RSS 1930 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_UDP_IPV4)) { 1931 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1932 MLX5_HASH_IP); 1933 } else 1934 #endif 1935 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1936 MLX5_HASH_ALL); 1937 break; 1938 1939 case MLX5E_TT_IPV6_UDP: 1940 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1941 MLX5_L3_PROT_TYPE_IPV6); 1942 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 1943 MLX5_L4_PROT_TYPE_UDP); 1944 #ifdef RSS 1945 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_UDP_IPV6)) { 1946 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1947 MLX5_HASH_IP); 1948 } else 1949 #endif 1950 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1951 MLX5_HASH_ALL); 1952 break; 1953 1954 case MLX5E_TT_IPV4_IPSEC_AH: 1955 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1956 MLX5_L3_PROT_TYPE_IPV4); 1957 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1958 MLX5_HASH_IP_IPSEC_SPI); 1959 break; 1960 1961 case MLX5E_TT_IPV6_IPSEC_AH: 1962 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1963 MLX5_L3_PROT_TYPE_IPV6); 1964 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1965 MLX5_HASH_IP_IPSEC_SPI); 1966 break; 1967 1968 case MLX5E_TT_IPV4_IPSEC_ESP: 1969 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1970 MLX5_L3_PROT_TYPE_IPV4); 1971 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1972 MLX5_HASH_IP_IPSEC_SPI); 1973 break; 1974 1975 case MLX5E_TT_IPV6_IPSEC_ESP: 1976 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1977 MLX5_L3_PROT_TYPE_IPV6); 1978 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1979 MLX5_HASH_IP_IPSEC_SPI); 1980 break; 1981 1982 case MLX5E_TT_IPV4: 1983 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1984 MLX5_L3_PROT_TYPE_IPV4); 1985 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1986 MLX5_HASH_IP); 1987 break; 1988 1989 case MLX5E_TT_IPV6: 1990 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1991 MLX5_L3_PROT_TYPE_IPV6); 1992 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1993 MLX5_HASH_IP); 1994 break; 1995 1996 default: 1997 break; 1998 } 1999 } 2000 2001 static int 2002 mlx5e_open_tir(struct mlx5e_priv *priv, int tt) 2003 { 2004 struct mlx5_core_dev *mdev = priv->mdev; 2005 u32 *in; 2006 void *tirc; 2007 int inlen; 2008 int err; 2009 2010 inlen = MLX5_ST_SZ_BYTES(create_tir_in); 2011 in = mlx5_vzalloc(inlen); 2012 if (in == NULL) 2013 return (-ENOMEM); 2014 tirc = MLX5_ADDR_OF(create_tir_in, in, tir_context); 2015 2016 mlx5e_build_tir_ctx(priv, tirc, tt); 2017 2018 err = mlx5_core_create_tir(mdev, in, inlen, &priv->tirn[tt]); 2019 2020 kvfree(in); 2021 2022 return (err); 2023 } 2024 2025 static void 2026 mlx5e_close_tir(struct mlx5e_priv *priv, int tt) 2027 { 2028 mlx5_core_destroy_tir(priv->mdev, priv->tirn[tt]); 2029 } 2030 2031 static int 2032 mlx5e_open_tirs(struct mlx5e_priv *priv) 2033 { 2034 int err; 2035 int i; 2036 2037 for (i = 0; i < MLX5E_NUM_TT; i++) { 2038 err = mlx5e_open_tir(priv, i); 2039 if (err) 2040 goto err_close_tirs; 2041 } 2042 2043 return (0); 2044 2045 err_close_tirs: 2046 for (i--; i >= 0; i--) 2047 mlx5e_close_tir(priv, i); 2048 2049 return (err); 2050 } 2051 2052 static void 2053 mlx5e_close_tirs(struct mlx5e_priv *priv) 2054 { 2055 int i; 2056 2057 for (i = 0; i < MLX5E_NUM_TT; i++) 2058 mlx5e_close_tir(priv, i); 2059 } 2060 2061 /* 2062 * SW MTU does not include headers, 2063 * HW MTU includes all headers and checksums. 2064 */ 2065 static int 2066 mlx5e_set_dev_port_mtu(struct ifnet *ifp, int sw_mtu) 2067 { 2068 struct mlx5e_priv *priv = ifp->if_softc; 2069 struct mlx5_core_dev *mdev = priv->mdev; 2070 int hw_mtu; 2071 int err; 2072 2073 2074 err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(sw_mtu)); 2075 if (err) { 2076 if_printf(ifp, "%s: mlx5_set_port_mtu failed setting %d, err=%d\n", 2077 __func__, sw_mtu, err); 2078 return (err); 2079 } 2080 err = mlx5_query_port_oper_mtu(mdev, &hw_mtu); 2081 if (!err) { 2082 ifp->if_mtu = MLX5E_HW2SW_MTU(hw_mtu); 2083 2084 if (ifp->if_mtu != sw_mtu) { 2085 if_printf(ifp, "Port MTU %d is different than " 2086 "ifp mtu %d\n", sw_mtu, (int)ifp->if_mtu); 2087 } 2088 } else { 2089 if_printf(ifp, "Query port MTU, after setting new " 2090 "MTU value, failed\n"); 2091 ifp->if_mtu = sw_mtu; 2092 } 2093 return (0); 2094 } 2095 2096 int 2097 mlx5e_open_locked(struct ifnet *ifp) 2098 { 2099 struct mlx5e_priv *priv = ifp->if_softc; 2100 int err; 2101 2102 /* check if already opened */ 2103 if (test_bit(MLX5E_STATE_OPENED, &priv->state) != 0) 2104 return (0); 2105 2106 #ifdef RSS 2107 if (rss_getnumbuckets() > priv->params.num_channels) { 2108 if_printf(ifp, "NOTE: There are more RSS buckets(%u) than " 2109 "channels(%u) available\n", rss_getnumbuckets(), 2110 priv->params.num_channels); 2111 } 2112 #endif 2113 err = mlx5e_open_tises(priv); 2114 if (err) { 2115 if_printf(ifp, "%s: mlx5e_open_tises failed, %d\n", 2116 __func__, err); 2117 return (err); 2118 } 2119 err = mlx5_vport_alloc_q_counter(priv->mdev, &priv->counter_set_id); 2120 if (err) { 2121 if_printf(priv->ifp, 2122 "%s: mlx5_vport_alloc_q_counter failed: %d\n", 2123 __func__, err); 2124 goto err_close_tises; 2125 } 2126 err = mlx5e_open_channels(priv); 2127 if (err) { 2128 if_printf(ifp, "%s: mlx5e_open_channels failed, %d\n", 2129 __func__, err); 2130 goto err_dalloc_q_counter; 2131 } 2132 err = mlx5e_open_rqt(priv); 2133 if (err) { 2134 if_printf(ifp, "%s: mlx5e_open_rqt failed, %d\n", 2135 __func__, err); 2136 goto err_close_channels; 2137 } 2138 err = mlx5e_open_tirs(priv); 2139 if (err) { 2140 if_printf(ifp, "%s: mlx5e_open_tir failed, %d\n", 2141 __func__, err); 2142 goto err_close_rqls; 2143 } 2144 err = mlx5e_open_flow_table(priv); 2145 if (err) { 2146 if_printf(ifp, "%s: mlx5e_open_flow_table failed, %d\n", 2147 __func__, err); 2148 goto err_close_tirs; 2149 } 2150 err = mlx5e_add_all_vlan_rules(priv); 2151 if (err) { 2152 if_printf(ifp, "%s: mlx5e_add_all_vlan_rules failed, %d\n", 2153 __func__, err); 2154 goto err_close_flow_table; 2155 } 2156 set_bit(MLX5E_STATE_OPENED, &priv->state); 2157 2158 mlx5e_update_carrier(priv); 2159 mlx5e_set_rx_mode_core(priv); 2160 2161 return (0); 2162 2163 err_close_flow_table: 2164 mlx5e_close_flow_table(priv); 2165 2166 err_close_tirs: 2167 mlx5e_close_tirs(priv); 2168 2169 err_close_rqls: 2170 mlx5e_close_rqt(priv); 2171 2172 err_close_channels: 2173 mlx5e_close_channels(priv); 2174 2175 err_dalloc_q_counter: 2176 mlx5_vport_dealloc_q_counter(priv->mdev, priv->counter_set_id); 2177 2178 err_close_tises: 2179 mlx5e_close_tises(priv); 2180 2181 return (err); 2182 } 2183 2184 static void 2185 mlx5e_open(void *arg) 2186 { 2187 struct mlx5e_priv *priv = arg; 2188 2189 PRIV_LOCK(priv); 2190 if (mlx5_set_port_status(priv->mdev, MLX5_PORT_UP)) 2191 if_printf(priv->ifp, 2192 "%s: Setting port status to up failed\n", 2193 __func__); 2194 2195 mlx5e_open_locked(priv->ifp); 2196 priv->ifp->if_drv_flags |= IFF_DRV_RUNNING; 2197 PRIV_UNLOCK(priv); 2198 } 2199 2200 int 2201 mlx5e_close_locked(struct ifnet *ifp) 2202 { 2203 struct mlx5e_priv *priv = ifp->if_softc; 2204 2205 /* check if already closed */ 2206 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0) 2207 return (0); 2208 2209 clear_bit(MLX5E_STATE_OPENED, &priv->state); 2210 2211 mlx5e_set_rx_mode_core(priv); 2212 mlx5e_del_all_vlan_rules(priv); 2213 if_link_state_change(priv->ifp, LINK_STATE_DOWN); 2214 mlx5e_close_flow_table(priv); 2215 mlx5e_close_tirs(priv); 2216 mlx5e_close_rqt(priv); 2217 mlx5e_close_channels(priv); 2218 mlx5_vport_dealloc_q_counter(priv->mdev, priv->counter_set_id); 2219 mlx5e_close_tises(priv); 2220 2221 return (0); 2222 } 2223 2224 #if (__FreeBSD_version >= 1100000) 2225 static uint64_t 2226 mlx5e_get_counter(struct ifnet *ifp, ift_counter cnt) 2227 { 2228 struct mlx5e_priv *priv = ifp->if_softc; 2229 u64 retval; 2230 2231 /* PRIV_LOCK(priv); XXX not allowed */ 2232 switch (cnt) { 2233 case IFCOUNTER_IPACKETS: 2234 retval = priv->stats.vport.rx_packets; 2235 break; 2236 case IFCOUNTER_IERRORS: 2237 retval = priv->stats.vport.rx_error_packets; 2238 break; 2239 case IFCOUNTER_IQDROPS: 2240 retval = priv->stats.vport.rx_out_of_buffer; 2241 break; 2242 case IFCOUNTER_OPACKETS: 2243 retval = priv->stats.vport.tx_packets; 2244 break; 2245 case IFCOUNTER_OERRORS: 2246 retval = priv->stats.vport.tx_error_packets; 2247 break; 2248 case IFCOUNTER_IBYTES: 2249 retval = priv->stats.vport.rx_bytes; 2250 break; 2251 case IFCOUNTER_OBYTES: 2252 retval = priv->stats.vport.tx_bytes; 2253 break; 2254 case IFCOUNTER_IMCASTS: 2255 retval = priv->stats.vport.rx_multicast_packets; 2256 break; 2257 case IFCOUNTER_OMCASTS: 2258 retval = priv->stats.vport.tx_multicast_packets; 2259 break; 2260 case IFCOUNTER_OQDROPS: 2261 retval = priv->stats.vport.tx_queue_dropped; 2262 break; 2263 default: 2264 retval = if_get_counter_default(ifp, cnt); 2265 break; 2266 } 2267 /* PRIV_UNLOCK(priv); XXX not allowed */ 2268 return (retval); 2269 } 2270 #endif 2271 2272 static void 2273 mlx5e_set_rx_mode(struct ifnet *ifp) 2274 { 2275 struct mlx5e_priv *priv = ifp->if_softc; 2276 2277 schedule_work(&priv->set_rx_mode_work); 2278 } 2279 2280 static int 2281 mlx5e_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 2282 { 2283 struct mlx5e_priv *priv; 2284 struct ifreq *ifr; 2285 struct ifi2creq i2c; 2286 int error = 0; 2287 int mask = 0; 2288 int size_read = 0; 2289 int module_num; 2290 int max_mtu; 2291 2292 priv = ifp->if_softc; 2293 2294 /* check if detaching */ 2295 if (priv == NULL || priv->gone != 0) 2296 return (ENXIO); 2297 2298 switch (command) { 2299 case SIOCSIFMTU: 2300 ifr = (struct ifreq *)data; 2301 2302 PRIV_LOCK(priv); 2303 mlx5_query_port_max_mtu(priv->mdev, &max_mtu); 2304 2305 if (ifr->ifr_mtu >= MLX5E_MTU_MIN && 2306 ifr->ifr_mtu <= MIN(MLX5E_MTU_MAX, max_mtu)) { 2307 int was_opened; 2308 2309 was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); 2310 if (was_opened) 2311 mlx5e_close_locked(ifp); 2312 2313 /* set new MTU */ 2314 mlx5e_set_dev_port_mtu(ifp, ifr->ifr_mtu); 2315 2316 if (was_opened) 2317 mlx5e_open_locked(ifp); 2318 } else { 2319 error = EINVAL; 2320 if_printf(ifp, "Invalid MTU value. Min val: %d, Max val: %d\n", 2321 MLX5E_MTU_MIN, MIN(MLX5E_MTU_MAX, max_mtu)); 2322 } 2323 PRIV_UNLOCK(priv); 2324 break; 2325 case SIOCSIFFLAGS: 2326 if ((ifp->if_flags & IFF_UP) && 2327 (ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2328 mlx5e_set_rx_mode(ifp); 2329 break; 2330 } 2331 PRIV_LOCK(priv); 2332 if (ifp->if_flags & IFF_UP) { 2333 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2334 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0) 2335 mlx5e_open_locked(ifp); 2336 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2337 mlx5_set_port_status(priv->mdev, MLX5_PORT_UP); 2338 } 2339 } else { 2340 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 2341 mlx5_set_port_status(priv->mdev, 2342 MLX5_PORT_DOWN); 2343 if (test_bit(MLX5E_STATE_OPENED, &priv->state) != 0) 2344 mlx5e_close_locked(ifp); 2345 mlx5e_update_carrier(priv); 2346 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2347 } 2348 } 2349 PRIV_UNLOCK(priv); 2350 break; 2351 case SIOCADDMULTI: 2352 case SIOCDELMULTI: 2353 mlx5e_set_rx_mode(ifp); 2354 break; 2355 case SIOCSIFMEDIA: 2356 case SIOCGIFMEDIA: 2357 case SIOCGIFXMEDIA: 2358 ifr = (struct ifreq *)data; 2359 error = ifmedia_ioctl(ifp, ifr, &priv->media, command); 2360 break; 2361 case SIOCSIFCAP: 2362 ifr = (struct ifreq *)data; 2363 PRIV_LOCK(priv); 2364 mask = ifr->ifr_reqcap ^ ifp->if_capenable; 2365 2366 if (mask & IFCAP_TXCSUM) { 2367 ifp->if_capenable ^= IFCAP_TXCSUM; 2368 ifp->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP); 2369 2370 if (IFCAP_TSO4 & ifp->if_capenable && 2371 !(IFCAP_TXCSUM & ifp->if_capenable)) { 2372 ifp->if_capenable &= ~IFCAP_TSO4; 2373 ifp->if_hwassist &= ~CSUM_IP_TSO; 2374 if_printf(ifp, 2375 "tso4 disabled due to -txcsum.\n"); 2376 } 2377 } 2378 if (mask & IFCAP_TXCSUM_IPV6) { 2379 ifp->if_capenable ^= IFCAP_TXCSUM_IPV6; 2380 ifp->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); 2381 2382 if (IFCAP_TSO6 & ifp->if_capenable && 2383 !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) { 2384 ifp->if_capenable &= ~IFCAP_TSO6; 2385 ifp->if_hwassist &= ~CSUM_IP6_TSO; 2386 if_printf(ifp, 2387 "tso6 disabled due to -txcsum6.\n"); 2388 } 2389 } 2390 if (mask & IFCAP_RXCSUM) 2391 ifp->if_capenable ^= IFCAP_RXCSUM; 2392 if (mask & IFCAP_RXCSUM_IPV6) 2393 ifp->if_capenable ^= IFCAP_RXCSUM_IPV6; 2394 if (mask & IFCAP_TSO4) { 2395 if (!(IFCAP_TSO4 & ifp->if_capenable) && 2396 !(IFCAP_TXCSUM & ifp->if_capenable)) { 2397 if_printf(ifp, "enable txcsum first.\n"); 2398 error = EAGAIN; 2399 goto out; 2400 } 2401 ifp->if_capenable ^= IFCAP_TSO4; 2402 ifp->if_hwassist ^= CSUM_IP_TSO; 2403 } 2404 if (mask & IFCAP_TSO6) { 2405 if (!(IFCAP_TSO6 & ifp->if_capenable) && 2406 !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) { 2407 if_printf(ifp, "enable txcsum6 first.\n"); 2408 error = EAGAIN; 2409 goto out; 2410 } 2411 ifp->if_capenable ^= IFCAP_TSO6; 2412 ifp->if_hwassist ^= CSUM_IP6_TSO; 2413 } 2414 if (mask & IFCAP_VLAN_HWFILTER) { 2415 if (ifp->if_capenable & IFCAP_VLAN_HWFILTER) 2416 mlx5e_disable_vlan_filter(priv); 2417 else 2418 mlx5e_enable_vlan_filter(priv); 2419 2420 ifp->if_capenable ^= IFCAP_VLAN_HWFILTER; 2421 } 2422 if (mask & IFCAP_VLAN_HWTAGGING) 2423 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 2424 if (mask & IFCAP_WOL_MAGIC) 2425 ifp->if_capenable ^= IFCAP_WOL_MAGIC; 2426 2427 VLAN_CAPABILITIES(ifp); 2428 /* turn off LRO means also turn of HW LRO - if it's on */ 2429 if (mask & IFCAP_LRO) { 2430 int was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); 2431 bool need_restart = false; 2432 2433 ifp->if_capenable ^= IFCAP_LRO; 2434 if (!(ifp->if_capenable & IFCAP_LRO)) { 2435 if (priv->params.hw_lro_en) { 2436 priv->params.hw_lro_en = false; 2437 need_restart = true; 2438 /* Not sure this is the correct way */ 2439 priv->params_ethtool.hw_lro = priv->params.hw_lro_en; 2440 } 2441 } 2442 if (was_opened && need_restart) { 2443 mlx5e_close_locked(ifp); 2444 mlx5e_open_locked(ifp); 2445 } 2446 } 2447 out: 2448 PRIV_UNLOCK(priv); 2449 break; 2450 2451 case SIOCGI2C: 2452 ifr = (struct ifreq *)data; 2453 2454 /* 2455 * Copy from the user-space address ifr_data to the 2456 * kernel-space address i2c 2457 */ 2458 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 2459 if (error) 2460 break; 2461 2462 if (i2c.len > sizeof(i2c.data)) { 2463 error = EINVAL; 2464 break; 2465 } 2466 2467 PRIV_LOCK(priv); 2468 /* Get module_num which is required for the query_eeprom */ 2469 error = mlx5_query_module_num(priv->mdev, &module_num); 2470 if (error) { 2471 if_printf(ifp, "Query module num failed, eeprom " 2472 "reading is not supported\n"); 2473 goto err_i2c; 2474 } 2475 2476 /* 2477 * Note that we ignore i2c.addr here. The driver hardcodes 2478 * the address to 0x50, while standard expects it to be 0xA0. 2479 */ 2480 error = mlx5_query_eeprom(priv->mdev, 2481 MLX5E_I2C_ADDR_LOW, MLX5E_EEPROM_LOW_PAGE, 2482 (uint32_t)i2c.offset, (uint32_t)i2c.len, module_num, 2483 (uint32_t *)i2c.data, &size_read); 2484 if (error) { 2485 if_printf(ifp, "Query eeprom failed, eeprom " 2486 "reading is not supported\n"); 2487 goto err_i2c; 2488 } 2489 2490 if (i2c.len > MLX5_EEPROM_MAX_BYTES) { 2491 error = mlx5_query_eeprom(priv->mdev, 2492 MLX5E_I2C_ADDR_LOW, MLX5E_EEPROM_LOW_PAGE, 2493 (uint32_t)(i2c.offset + size_read), 2494 (uint32_t)(i2c.len - size_read), module_num, 2495 (uint32_t *)(i2c.data + size_read), &size_read); 2496 } 2497 if (error) { 2498 if_printf(ifp, "Query eeprom failed, eeprom " 2499 "reading is not supported\n"); 2500 goto err_i2c; 2501 } 2502 2503 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 2504 err_i2c: 2505 PRIV_UNLOCK(priv); 2506 break; 2507 2508 default: 2509 error = ether_ioctl(ifp, command, data); 2510 break; 2511 } 2512 return (error); 2513 } 2514 2515 static int 2516 mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) 2517 { 2518 /* 2519 * TODO: uncoment once FW really sets all these bits if 2520 * (!mdev->caps.eth.rss_ind_tbl_cap || !mdev->caps.eth.csum_cap || 2521 * !mdev->caps.eth.max_lso_cap || !mdev->caps.eth.vlan_cap || 2522 * !(mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_SCQE_BRK_MOD)) return 2523 * -ENOTSUPP; 2524 */ 2525 2526 /* TODO: add more must-to-have features */ 2527 2528 return (0); 2529 } 2530 2531 static void 2532 mlx5e_build_ifp_priv(struct mlx5_core_dev *mdev, 2533 struct mlx5e_priv *priv, 2534 int num_comp_vectors) 2535 { 2536 /* 2537 * TODO: Consider link speed for setting "log_sq_size", 2538 * "log_rq_size" and "cq_moderation_xxx": 2539 */ 2540 priv->params.log_sq_size = 2541 MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; 2542 priv->params.log_rq_size = 2543 MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; 2544 priv->params.rx_cq_moderation_usec = 2545 MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ? 2546 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE : 2547 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC; 2548 priv->params.rx_cq_moderation_mode = 2549 MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ? 1 : 0; 2550 priv->params.rx_cq_moderation_pkts = 2551 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS; 2552 priv->params.tx_cq_moderation_usec = 2553 MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC; 2554 priv->params.tx_cq_moderation_pkts = 2555 MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS; 2556 priv->params.min_rx_wqes = 2557 MLX5E_PARAMS_DEFAULT_MIN_RX_WQES; 2558 priv->params.rx_hash_log_tbl_sz = 2559 (order_base_2(num_comp_vectors) > 2560 MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ) ? 2561 order_base_2(num_comp_vectors) : 2562 MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ; 2563 priv->params.num_tc = 1; 2564 priv->params.default_vlan_prio = 0; 2565 priv->counter_set_id = -1; 2566 2567 /* 2568 * hw lro is currently defaulted to off. when it won't anymore we 2569 * will consider the HW capability: "!!MLX5_CAP_ETH(mdev, lro_cap)" 2570 */ 2571 priv->params.hw_lro_en = false; 2572 priv->params.lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; 2573 2574 priv->mdev = mdev; 2575 priv->params.num_channels = num_comp_vectors; 2576 priv->order_base_2_num_channels = order_base_2(num_comp_vectors); 2577 priv->queue_mapping_channel_mask = 2578 roundup_pow_of_two(num_comp_vectors) - 1; 2579 priv->num_tc = priv->params.num_tc; 2580 priv->default_vlan_prio = priv->params.default_vlan_prio; 2581 2582 INIT_WORK(&priv->update_stats_work, mlx5e_update_stats_work); 2583 INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work); 2584 INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work); 2585 } 2586 2587 static int 2588 mlx5e_create_mkey(struct mlx5e_priv *priv, u32 pdn, 2589 struct mlx5_core_mr *mr) 2590 { 2591 struct ifnet *ifp = priv->ifp; 2592 struct mlx5_core_dev *mdev = priv->mdev; 2593 struct mlx5_create_mkey_mbox_in *in; 2594 int err; 2595 2596 in = mlx5_vzalloc(sizeof(*in)); 2597 if (in == NULL) { 2598 if_printf(ifp, "%s: failed to allocate inbox\n", __func__); 2599 return (-ENOMEM); 2600 } 2601 in->seg.flags = MLX5_PERM_LOCAL_WRITE | 2602 MLX5_PERM_LOCAL_READ | 2603 MLX5_ACCESS_MODE_PA; 2604 in->seg.flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64); 2605 in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); 2606 2607 err = mlx5_core_create_mkey(mdev, mr, in, sizeof(*in), NULL, NULL, 2608 NULL); 2609 if (err) 2610 if_printf(ifp, "%s: mlx5_core_create_mkey failed, %d\n", 2611 __func__, err); 2612 2613 kvfree(in); 2614 2615 return (err); 2616 } 2617 2618 static const char *mlx5e_vport_stats_desc[] = { 2619 MLX5E_VPORT_STATS(MLX5E_STATS_DESC) 2620 }; 2621 2622 static const char *mlx5e_pport_stats_desc[] = { 2623 MLX5E_PPORT_STATS(MLX5E_STATS_DESC) 2624 }; 2625 2626 static void 2627 mlx5e_priv_mtx_init(struct mlx5e_priv *priv) 2628 { 2629 mtx_init(&priv->async_events_mtx, "mlx5async", MTX_NETWORK_LOCK, MTX_DEF); 2630 sx_init(&priv->state_lock, "mlx5state"); 2631 callout_init_mtx(&priv->watchdog, &priv->async_events_mtx, 0); 2632 } 2633 2634 static void 2635 mlx5e_priv_mtx_destroy(struct mlx5e_priv *priv) 2636 { 2637 mtx_destroy(&priv->async_events_mtx); 2638 sx_destroy(&priv->state_lock); 2639 } 2640 2641 static int 2642 sysctl_firmware(SYSCTL_HANDLER_ARGS) 2643 { 2644 /* 2645 * %d.%d%.d the string format. 2646 * fw_rev_{maj,min,sub} return u16, 2^16 = 65536. 2647 * We need at most 5 chars to store that. 2648 * It also has: two "." and NULL at the end, which means we need 18 2649 * (5*3 + 3) chars at most. 2650 */ 2651 char fw[18]; 2652 struct mlx5e_priv *priv = arg1; 2653 int error; 2654 2655 snprintf(fw, sizeof(fw), "%d.%d.%d", fw_rev_maj(priv->mdev), fw_rev_min(priv->mdev), 2656 fw_rev_sub(priv->mdev)); 2657 error = sysctl_handle_string(oidp, fw, sizeof(fw), req); 2658 return (error); 2659 } 2660 2661 static void 2662 mlx5e_add_hw_stats(struct mlx5e_priv *priv) 2663 { 2664 SYSCTL_ADD_PROC(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_hw), 2665 OID_AUTO, "fw_version", CTLTYPE_STRING | CTLFLAG_RD, priv, 0, 2666 sysctl_firmware, "A", "HCA firmware version"); 2667 2668 SYSCTL_ADD_STRING(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_hw), 2669 OID_AUTO, "board_id", CTLFLAG_RD, priv->mdev->board_id, 0, 2670 "Board ID"); 2671 } 2672 2673 static void * 2674 mlx5e_create_ifp(struct mlx5_core_dev *mdev) 2675 { 2676 static volatile int mlx5_en_unit; 2677 struct ifnet *ifp; 2678 struct mlx5e_priv *priv; 2679 u8 dev_addr[ETHER_ADDR_LEN] __aligned(4); 2680 struct sysctl_oid_list *child; 2681 int ncv = mdev->priv.eq_table.num_comp_vectors; 2682 char unit[16]; 2683 int err; 2684 int i; 2685 u32 eth_proto_cap; 2686 2687 if (mlx5e_check_required_hca_cap(mdev)) { 2688 mlx5_core_dbg(mdev, "mlx5e_check_required_hca_cap() failed\n"); 2689 return (NULL); 2690 } 2691 priv = malloc(sizeof(*priv), M_MLX5EN, M_WAITOK | M_ZERO); 2692 if (priv == NULL) { 2693 mlx5_core_err(mdev, "malloc() failed\n"); 2694 return (NULL); 2695 } 2696 mlx5e_priv_mtx_init(priv); 2697 2698 ifp = priv->ifp = if_alloc(IFT_ETHER); 2699 if (ifp == NULL) { 2700 mlx5_core_err(mdev, "if_alloc() failed\n"); 2701 goto err_free_priv; 2702 } 2703 ifp->if_softc = priv; 2704 if_initname(ifp, "mce", atomic_fetchadd_int(&mlx5_en_unit, 1)); 2705 ifp->if_mtu = ETHERMTU; 2706 ifp->if_init = mlx5e_open; 2707 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 2708 ifp->if_ioctl = mlx5e_ioctl; 2709 ifp->if_transmit = mlx5e_xmit; 2710 ifp->if_qflush = if_qflush; 2711 #if (__FreeBSD_version >= 1100000) 2712 ifp->if_get_counter = mlx5e_get_counter; 2713 #endif 2714 ifp->if_snd.ifq_maxlen = ifqmaxlen; 2715 /* 2716 * Set driver features 2717 */ 2718 ifp->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6; 2719 ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING; 2720 ifp->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER; 2721 ifp->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU; 2722 ifp->if_capabilities |= IFCAP_LRO; 2723 ifp->if_capabilities |= IFCAP_TSO | IFCAP_VLAN_HWTSO; 2724 2725 /* set TSO limits so that we don't have to drop TX packets */ 2726 ifp->if_hw_tsomax = MLX5E_MAX_TX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN); 2727 ifp->if_hw_tsomaxsegcount = MLX5E_MAX_TX_MBUF_FRAGS - 1 /* hdr */; 2728 ifp->if_hw_tsomaxsegsize = MLX5E_MAX_TX_MBUF_SIZE; 2729 2730 ifp->if_capenable = ifp->if_capabilities; 2731 ifp->if_hwassist = 0; 2732 if (ifp->if_capenable & IFCAP_TSO) 2733 ifp->if_hwassist |= CSUM_TSO; 2734 if (ifp->if_capenable & IFCAP_TXCSUM) 2735 ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP); 2736 if (ifp->if_capenable & IFCAP_TXCSUM_IPV6) 2737 ifp->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); 2738 2739 /* ifnet sysctl tree */ 2740 sysctl_ctx_init(&priv->sysctl_ctx); 2741 priv->sysctl_ifnet = SYSCTL_ADD_NODE(&priv->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_dev), 2742 OID_AUTO, ifp->if_dname, CTLFLAG_RD, 0, "MLX5 ethernet - interface name"); 2743 if (priv->sysctl_ifnet == NULL) { 2744 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n"); 2745 goto err_free_sysctl; 2746 } 2747 snprintf(unit, sizeof(unit), "%d", ifp->if_dunit); 2748 priv->sysctl_ifnet = SYSCTL_ADD_NODE(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 2749 OID_AUTO, unit, CTLFLAG_RD, 0, "MLX5 ethernet - interface unit"); 2750 if (priv->sysctl_ifnet == NULL) { 2751 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n"); 2752 goto err_free_sysctl; 2753 } 2754 2755 /* HW sysctl tree */ 2756 child = SYSCTL_CHILDREN(device_get_sysctl_tree(mdev->pdev->dev.bsddev)); 2757 priv->sysctl_hw = SYSCTL_ADD_NODE(&priv->sysctl_ctx, child, 2758 OID_AUTO, "hw", CTLFLAG_RD, 0, "MLX5 ethernet dev hw"); 2759 if (priv->sysctl_hw == NULL) { 2760 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n"); 2761 goto err_free_sysctl; 2762 } 2763 mlx5e_build_ifp_priv(mdev, priv, ncv); 2764 err = mlx5_alloc_map_uar(mdev, &priv->cq_uar); 2765 if (err) { 2766 if_printf(ifp, "%s: mlx5_alloc_map_uar failed, %d\n", 2767 __func__, err); 2768 goto err_free_sysctl; 2769 } 2770 err = mlx5_core_alloc_pd(mdev, &priv->pdn); 2771 if (err) { 2772 if_printf(ifp, "%s: mlx5_core_alloc_pd failed, %d\n", 2773 __func__, err); 2774 goto err_unmap_free_uar; 2775 } 2776 err = mlx5_alloc_transport_domain(mdev, &priv->tdn); 2777 if (err) { 2778 if_printf(ifp, "%s: mlx5_alloc_transport_domain failed, %d\n", 2779 __func__, err); 2780 goto err_dealloc_pd; 2781 } 2782 err = mlx5e_create_mkey(priv, priv->pdn, &priv->mr); 2783 if (err) { 2784 if_printf(ifp, "%s: mlx5e_create_mkey failed, %d\n", 2785 __func__, err); 2786 goto err_dealloc_transport_domain; 2787 } 2788 mlx5_query_nic_vport_mac_address(priv->mdev, 0, dev_addr); 2789 2790 /* set default MTU */ 2791 mlx5e_set_dev_port_mtu(ifp, ifp->if_mtu); 2792 2793 /* Set desc */ 2794 device_set_desc(mdev->pdev->dev.bsddev, mlx5e_version); 2795 2796 /* Set default media status */ 2797 priv->media_status_last = IFM_AVALID; 2798 priv->media_active_last = IFM_ETHER | IFM_AUTO; 2799 2800 /* Pauseframes are enabled by default */ 2801 priv->params_ethtool.tx_pauseframe_control = 1; 2802 priv->params_ethtool.rx_pauseframe_control = 1; 2803 2804 err = mlx5_query_port_proto_cap(mdev, ð_proto_cap, MLX5_PTYS_EN); 2805 if (err) { 2806 eth_proto_cap = 0; 2807 if_printf(ifp, "%s: Query port media capability failed, %d\n", 2808 __func__, err); 2809 } 2810 2811 /* Setup supported medias */ 2812 ifmedia_init(&priv->media, IFM_IMASK | IFM_ETH_FMASK, 2813 mlx5e_media_change, mlx5e_media_status); 2814 2815 for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { 2816 if (mlx5e_mode_table[i].baudrate == 0) 2817 continue; 2818 if (MLX5E_PROT_MASK(i) & eth_proto_cap) 2819 ifmedia_add(&priv->media, 2820 IFM_ETHER | mlx5e_mode_table[i].subtype | 2821 IFM_FDX, 0, NULL); 2822 } 2823 2824 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL); 2825 ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO); 2826 ether_ifattach(ifp, dev_addr); 2827 2828 /* Register for VLAN events */ 2829 priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config, 2830 mlx5e_vlan_rx_add_vid, priv, EVENTHANDLER_PRI_FIRST); 2831 priv->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig, 2832 mlx5e_vlan_rx_kill_vid, priv, EVENTHANDLER_PRI_FIRST); 2833 2834 /* Link is down by default */ 2835 if_link_state_change(ifp, LINK_STATE_DOWN); 2836 2837 mlx5e_enable_async_events(priv); 2838 2839 mlx5e_add_hw_stats(priv); 2840 2841 mlx5e_create_stats(&priv->stats.vport.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 2842 "vstats", mlx5e_vport_stats_desc, MLX5E_VPORT_STATS_NUM, 2843 priv->stats.vport.arg); 2844 2845 mlx5e_create_stats(&priv->stats.pport.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 2846 "pstats", mlx5e_pport_stats_desc, MLX5E_PPORT_STATS_NUM, 2847 priv->stats.pport.arg); 2848 2849 mlx5e_create_ethtool(priv); 2850 2851 mtx_lock(&priv->async_events_mtx); 2852 mlx5e_update_stats(priv); 2853 mtx_unlock(&priv->async_events_mtx); 2854 2855 return (priv); 2856 2857 err_dealloc_transport_domain: 2858 mlx5_dealloc_transport_domain(mdev, priv->tdn); 2859 2860 err_dealloc_pd: 2861 mlx5_core_dealloc_pd(mdev, priv->pdn); 2862 2863 err_unmap_free_uar: 2864 mlx5_unmap_free_uar(mdev, &priv->cq_uar); 2865 2866 err_free_sysctl: 2867 sysctl_ctx_free(&priv->sysctl_ctx); 2868 2869 if_free(ifp); 2870 2871 err_free_priv: 2872 mlx5e_priv_mtx_destroy(priv); 2873 free(priv, M_MLX5EN); 2874 return (NULL); 2875 } 2876 2877 static void 2878 mlx5e_destroy_ifp(struct mlx5_core_dev *mdev, void *vpriv) 2879 { 2880 struct mlx5e_priv *priv = vpriv; 2881 struct ifnet *ifp = priv->ifp; 2882 2883 /* don't allow more IOCTLs */ 2884 priv->gone = 1; 2885 2886 /* XXX wait a bit to allow IOCTL handlers to complete */ 2887 pause("W", hz); 2888 2889 /* stop watchdog timer */ 2890 callout_drain(&priv->watchdog); 2891 2892 if (priv->vlan_attach != NULL) 2893 EVENTHANDLER_DEREGISTER(vlan_config, priv->vlan_attach); 2894 if (priv->vlan_detach != NULL) 2895 EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach); 2896 2897 /* make sure device gets closed */ 2898 PRIV_LOCK(priv); 2899 mlx5e_close_locked(ifp); 2900 PRIV_UNLOCK(priv); 2901 2902 /* unregister device */ 2903 ifmedia_removeall(&priv->media); 2904 ether_ifdetach(ifp); 2905 if_free(ifp); 2906 2907 /* destroy all remaining sysctl nodes */ 2908 if (priv->sysctl_debug) 2909 sysctl_ctx_free(&priv->stats.port_stats_debug.ctx); 2910 sysctl_ctx_free(&priv->stats.vport.ctx); 2911 sysctl_ctx_free(&priv->stats.pport.ctx); 2912 sysctl_ctx_free(&priv->sysctl_ctx); 2913 2914 mlx5_core_destroy_mkey(priv->mdev, &priv->mr); 2915 mlx5_dealloc_transport_domain(priv->mdev, priv->tdn); 2916 mlx5_core_dealloc_pd(priv->mdev, priv->pdn); 2917 mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); 2918 mlx5e_disable_async_events(priv); 2919 flush_scheduled_work(); 2920 mlx5e_priv_mtx_destroy(priv); 2921 free(priv, M_MLX5EN); 2922 } 2923 2924 static void * 2925 mlx5e_get_ifp(void *vpriv) 2926 { 2927 struct mlx5e_priv *priv = vpriv; 2928 2929 return (priv->ifp); 2930 } 2931 2932 static struct mlx5_interface mlx5e_interface = { 2933 .add = mlx5e_create_ifp, 2934 .remove = mlx5e_destroy_ifp, 2935 .event = mlx5e_async_event, 2936 .protocol = MLX5_INTERFACE_PROTOCOL_ETH, 2937 .get_dev = mlx5e_get_ifp, 2938 }; 2939 2940 void 2941 mlx5e_init(void) 2942 { 2943 mlx5_register_interface(&mlx5e_interface); 2944 } 2945 2946 void 2947 mlx5e_cleanup(void) 2948 { 2949 mlx5_unregister_interface(&mlx5e_interface); 2950 } 2951 2952 module_init_order(mlx5e_init, SI_ORDER_THIRD); 2953 module_exit_order(mlx5e_cleanup, SI_ORDER_THIRD); 2954 2955 #if (__FreeBSD_version >= 1100000) 2956 MODULE_DEPEND(mlx5en, linuxkpi, 1, 1, 1); 2957 #endif 2958 MODULE_DEPEND(mlx5en, mlx5, 1, 1, 1); 2959 MODULE_VERSION(mlx5en, 1); 2960