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_LR] = { 110 .subtype = IFM_10G_LR, 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.rx_pauseframe_control ? IFM_ETH_RXPAUSE : 0) | 226 (priv->params.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 was_opened; 254 int locked; 255 int error; 256 257 locked = PRIV_LOCKED(priv); 258 if (!locked) 259 PRIV_LOCK(priv); 260 261 if (IFM_TYPE(priv->media.ifm_media) != IFM_ETHER) { 262 error = EINVAL; 263 goto done; 264 } 265 link_mode = mlx5e_find_link_mode(IFM_SUBTYPE(priv->media.ifm_media)); 266 267 /* query supported capabilities */ 268 error = mlx5_query_port_proto_cap(mdev, ð_proto_cap, MLX5_PTYS_EN); 269 if (error != 0) { 270 if_printf(dev, "Query port media capability failed\n"); 271 goto done; 272 } 273 /* check for autoselect */ 274 if (IFM_SUBTYPE(priv->media.ifm_media) == IFM_AUTO) { 275 link_mode = eth_proto_cap; 276 if (link_mode == 0) { 277 if_printf(dev, "Port media capability is zero\n"); 278 error = EINVAL; 279 goto done; 280 } 281 } else { 282 link_mode = link_mode & eth_proto_cap; 283 if (link_mode == 0) { 284 if_printf(dev, "Not supported link mode requested\n"); 285 error = EINVAL; 286 goto done; 287 } 288 } 289 /* update pauseframe control bits */ 290 priv->params.rx_pauseframe_control = 291 (priv->media.ifm_media & IFM_ETH_RXPAUSE) ? 1 : 0; 292 priv->params.tx_pauseframe_control = 293 (priv->media.ifm_media & IFM_ETH_TXPAUSE) ? 1 : 0; 294 295 /* check if device is opened */ 296 was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); 297 298 /* reconfigure the hardware */ 299 mlx5_set_port_status(mdev, MLX5_PORT_DOWN); 300 mlx5_set_port_proto(mdev, link_mode, MLX5_PTYS_EN); 301 mlx5_set_port_pause(mdev, 1, 302 priv->params.rx_pauseframe_control, 303 priv->params.tx_pauseframe_control); 304 if (was_opened) 305 mlx5_set_port_status(mdev, MLX5_PORT_UP); 306 307 done: 308 if (!locked) 309 PRIV_UNLOCK(priv); 310 return (error); 311 } 312 313 static void 314 mlx5e_update_carrier_work(struct work_struct *work) 315 { 316 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, 317 update_carrier_work); 318 319 PRIV_LOCK(priv); 320 if (test_bit(MLX5E_STATE_OPENED, &priv->state)) 321 mlx5e_update_carrier(priv); 322 PRIV_UNLOCK(priv); 323 } 324 325 static void 326 mlx5e_update_pport_counters(struct mlx5e_priv *priv) 327 { 328 struct mlx5_core_dev *mdev = priv->mdev; 329 struct mlx5e_pport_stats *s = &priv->stats.pport; 330 struct mlx5e_port_stats_debug *s_debug = &priv->stats.port_stats_debug; 331 u32 *in; 332 u32 *out; 333 u64 *ptr; 334 unsigned sz = MLX5_ST_SZ_BYTES(ppcnt_reg); 335 unsigned x; 336 unsigned y; 337 338 in = mlx5_vzalloc(sz); 339 out = mlx5_vzalloc(sz); 340 if (in == NULL || out == NULL) 341 goto free_out; 342 343 ptr = (uint64_t *)MLX5_ADDR_OF(ppcnt_reg, out, counter_set); 344 345 MLX5_SET(ppcnt_reg, in, local_port, 1); 346 347 MLX5_SET(ppcnt_reg, in, grp, MLX5_IEEE_802_3_COUNTERS_GROUP); 348 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); 349 for (x = y = 0; x != MLX5E_PPORT_IEEE802_3_STATS_NUM; x++, y++) 350 s->arg[y] = be64toh(ptr[x]); 351 352 MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2819_COUNTERS_GROUP); 353 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); 354 for (x = 0; x != MLX5E_PPORT_RFC2819_STATS_NUM; x++, y++) 355 s->arg[y] = be64toh(ptr[x]); 356 for (y = 0; x != MLX5E_PPORT_RFC2819_STATS_NUM + 357 MLX5E_PPORT_RFC2819_STATS_DEBUG_NUM; x++, y++) 358 s_debug->arg[y] = be64toh(ptr[x]); 359 360 MLX5_SET(ppcnt_reg, in, grp, MLX5_RFC_2863_COUNTERS_GROUP); 361 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); 362 for (x = 0; x != MLX5E_PPORT_RFC2863_STATS_DEBUG_NUM; x++, y++) 363 s_debug->arg[y] = be64toh(ptr[x]); 364 365 MLX5_SET(ppcnt_reg, in, grp, MLX5_PHYSICAL_LAYER_COUNTERS_GROUP); 366 mlx5_core_access_reg(mdev, in, sz, out, sz, MLX5_REG_PPCNT, 0, 0); 367 for (x = 0; x != MLX5E_PPORT_PHYSICAL_LAYER_STATS_DEBUG_NUM; x++, y++) 368 s_debug->arg[y] = be64toh(ptr[x]); 369 free_out: 370 kvfree(in); 371 kvfree(out); 372 } 373 374 static void 375 mlx5e_update_stats_work(struct work_struct *work) 376 { 377 struct mlx5e_priv *priv = container_of(work, struct mlx5e_priv, 378 update_stats_work); 379 struct mlx5_core_dev *mdev = priv->mdev; 380 struct mlx5e_vport_stats *s = &priv->stats.vport; 381 struct mlx5e_rq_stats *rq_stats; 382 struct mlx5e_sq_stats *sq_stats; 383 struct buf_ring *sq_br; 384 #if (__FreeBSD_version < 1100000) 385 struct ifnet *ifp = priv->ifp; 386 #endif 387 388 u32 in[MLX5_ST_SZ_DW(query_vport_counter_in)]; 389 u32 *out; 390 int outlen = MLX5_ST_SZ_BYTES(query_vport_counter_out); 391 u64 tso_packets = 0; 392 u64 tso_bytes = 0; 393 u64 tx_queue_dropped = 0; 394 u64 tx_defragged = 0; 395 u64 tx_offload_none = 0; 396 u64 lro_packets = 0; 397 u64 lro_bytes = 0; 398 u64 sw_lro_queued = 0; 399 u64 sw_lro_flushed = 0; 400 u64 rx_csum_none = 0; 401 u64 rx_wqe_err = 0; 402 u32 rx_out_of_buffer = 0; 403 int i; 404 int j; 405 406 PRIV_LOCK(priv); 407 out = mlx5_vzalloc(outlen); 408 if (out == NULL) 409 goto free_out; 410 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0) 411 goto free_out; 412 413 /* Collect firts the SW counters and then HW for consistency */ 414 for (i = 0; i < priv->params.num_channels; i++) { 415 struct mlx5e_rq *rq = &priv->channel[i]->rq; 416 417 rq_stats = &priv->channel[i]->rq.stats; 418 419 /* collect stats from LRO */ 420 rq_stats->sw_lro_queued = rq->lro.lro_queued; 421 rq_stats->sw_lro_flushed = rq->lro.lro_flushed; 422 sw_lro_queued += rq_stats->sw_lro_queued; 423 sw_lro_flushed += rq_stats->sw_lro_flushed; 424 lro_packets += rq_stats->lro_packets; 425 lro_bytes += rq_stats->lro_bytes; 426 rx_csum_none += rq_stats->csum_none; 427 rx_wqe_err += rq_stats->wqe_err; 428 429 for (j = 0; j < priv->num_tc; j++) { 430 sq_stats = &priv->channel[i]->sq[j].stats; 431 sq_br = priv->channel[i]->sq[j].br; 432 433 tso_packets += sq_stats->tso_packets; 434 tso_bytes += sq_stats->tso_bytes; 435 tx_queue_dropped += sq_stats->dropped; 436 tx_queue_dropped += sq_br->br_drops; 437 tx_defragged += sq_stats->defragged; 438 tx_offload_none += sq_stats->csum_offload_none; 439 } 440 } 441 442 /* update counters */ 443 s->tso_packets = tso_packets; 444 s->tso_bytes = tso_bytes; 445 s->tx_queue_dropped = tx_queue_dropped; 446 s->tx_defragged = tx_defragged; 447 s->lro_packets = lro_packets; 448 s->lro_bytes = lro_bytes; 449 s->sw_lro_queued = sw_lro_queued; 450 s->sw_lro_flushed = sw_lro_flushed; 451 s->rx_csum_none = rx_csum_none; 452 s->rx_wqe_err = rx_wqe_err; 453 454 /* HW counters */ 455 memset(in, 0, sizeof(in)); 456 457 MLX5_SET(query_vport_counter_in, in, opcode, 458 MLX5_CMD_OP_QUERY_VPORT_COUNTER); 459 MLX5_SET(query_vport_counter_in, in, op_mod, 0); 460 MLX5_SET(query_vport_counter_in, in, other_vport, 0); 461 462 memset(out, 0, outlen); 463 464 /* get number of out-of-buffer drops first */ 465 if (mlx5_vport_query_out_of_rx_buffer(mdev, priv->counter_set_id, 466 &rx_out_of_buffer)) 467 goto free_out; 468 469 /* accumulate difference into a 64-bit counter */ 470 s->rx_out_of_buffer += (u64)(u32)(rx_out_of_buffer - s->rx_out_of_buffer_prev); 471 s->rx_out_of_buffer_prev = rx_out_of_buffer; 472 473 /* get port statistics */ 474 if (mlx5_cmd_exec(mdev, in, sizeof(in), out, outlen)) 475 goto free_out; 476 477 #define MLX5_GET_CTR(out, x) \ 478 MLX5_GET64(query_vport_counter_out, out, x) 479 480 s->rx_error_packets = 481 MLX5_GET_CTR(out, received_errors.packets); 482 s->rx_error_bytes = 483 MLX5_GET_CTR(out, received_errors.octets); 484 s->tx_error_packets = 485 MLX5_GET_CTR(out, transmit_errors.packets); 486 s->tx_error_bytes = 487 MLX5_GET_CTR(out, transmit_errors.octets); 488 489 s->rx_unicast_packets = 490 MLX5_GET_CTR(out, received_eth_unicast.packets); 491 s->rx_unicast_bytes = 492 MLX5_GET_CTR(out, received_eth_unicast.octets); 493 s->tx_unicast_packets = 494 MLX5_GET_CTR(out, transmitted_eth_unicast.packets); 495 s->tx_unicast_bytes = 496 MLX5_GET_CTR(out, transmitted_eth_unicast.octets); 497 498 s->rx_multicast_packets = 499 MLX5_GET_CTR(out, received_eth_multicast.packets); 500 s->rx_multicast_bytes = 501 MLX5_GET_CTR(out, received_eth_multicast.octets); 502 s->tx_multicast_packets = 503 MLX5_GET_CTR(out, transmitted_eth_multicast.packets); 504 s->tx_multicast_bytes = 505 MLX5_GET_CTR(out, transmitted_eth_multicast.octets); 506 507 s->rx_broadcast_packets = 508 MLX5_GET_CTR(out, received_eth_broadcast.packets); 509 s->rx_broadcast_bytes = 510 MLX5_GET_CTR(out, received_eth_broadcast.octets); 511 s->tx_broadcast_packets = 512 MLX5_GET_CTR(out, transmitted_eth_broadcast.packets); 513 s->tx_broadcast_bytes = 514 MLX5_GET_CTR(out, transmitted_eth_broadcast.octets); 515 516 s->rx_packets = 517 s->rx_unicast_packets + 518 s->rx_multicast_packets + 519 s->rx_broadcast_packets - 520 s->rx_out_of_buffer; 521 s->rx_bytes = 522 s->rx_unicast_bytes + 523 s->rx_multicast_bytes + 524 s->rx_broadcast_bytes; 525 s->tx_packets = 526 s->tx_unicast_packets + 527 s->tx_multicast_packets + 528 s->tx_broadcast_packets; 529 s->tx_bytes = 530 s->tx_unicast_bytes + 531 s->tx_multicast_bytes + 532 s->tx_broadcast_bytes; 533 534 /* Update calculated offload counters */ 535 s->tx_csum_offload = s->tx_packets - tx_offload_none; 536 s->rx_csum_good = s->rx_packets - s->rx_csum_none; 537 538 /* Update per port counters */ 539 mlx5e_update_pport_counters(priv); 540 541 #if (__FreeBSD_version < 1100000) 542 /* no get_counters interface in fbsd 10 */ 543 ifp->if_ipackets = s->rx_packets; 544 ifp->if_ierrors = s->rx_error_packets; 545 ifp->if_iqdrops = s->rx_out_of_buffer; 546 ifp->if_opackets = s->tx_packets; 547 ifp->if_oerrors = s->tx_error_packets; 548 ifp->if_snd.ifq_drops = s->tx_queue_dropped; 549 ifp->if_ibytes = s->rx_bytes; 550 ifp->if_obytes = s->tx_bytes; 551 #endif 552 553 free_out: 554 kvfree(out); 555 PRIV_UNLOCK(priv); 556 } 557 558 static void 559 mlx5e_update_stats(void *arg) 560 { 561 struct mlx5e_priv *priv = arg; 562 563 schedule_work(&priv->update_stats_work); 564 565 callout_reset(&priv->watchdog, hz, &mlx5e_update_stats, priv); 566 } 567 568 static void 569 mlx5e_async_event_sub(struct mlx5e_priv *priv, 570 enum mlx5_dev_event event) 571 { 572 switch (event) { 573 case MLX5_DEV_EVENT_PORT_UP: 574 case MLX5_DEV_EVENT_PORT_DOWN: 575 schedule_work(&priv->update_carrier_work); 576 break; 577 578 default: 579 break; 580 } 581 } 582 583 static void 584 mlx5e_async_event(struct mlx5_core_dev *mdev, void *vpriv, 585 enum mlx5_dev_event event, unsigned long param) 586 { 587 struct mlx5e_priv *priv = vpriv; 588 589 mtx_lock(&priv->async_events_mtx); 590 if (test_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state)) 591 mlx5e_async_event_sub(priv, event); 592 mtx_unlock(&priv->async_events_mtx); 593 } 594 595 static void 596 mlx5e_enable_async_events(struct mlx5e_priv *priv) 597 { 598 set_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state); 599 } 600 601 static void 602 mlx5e_disable_async_events(struct mlx5e_priv *priv) 603 { 604 mtx_lock(&priv->async_events_mtx); 605 clear_bit(MLX5E_STATE_ASYNC_EVENTS_ENABLE, &priv->state); 606 mtx_unlock(&priv->async_events_mtx); 607 } 608 609 static const char *mlx5e_rq_stats_desc[] = { 610 MLX5E_RQ_STATS(MLX5E_STATS_DESC) 611 }; 612 613 static int 614 mlx5e_create_rq(struct mlx5e_channel *c, 615 struct mlx5e_rq_param *param, 616 struct mlx5e_rq *rq) 617 { 618 struct mlx5e_priv *priv = c->priv; 619 struct mlx5_core_dev *mdev = priv->mdev; 620 char buffer[16]; 621 void *rqc = param->rqc; 622 void *rqc_wq = MLX5_ADDR_OF(rqc, rqc, wq); 623 int wq_sz; 624 int err; 625 int i; 626 627 /* Create DMA descriptor TAG */ 628 if ((err = -bus_dma_tag_create( 629 bus_get_dma_tag(mdev->pdev->dev.bsddev), 630 1, /* any alignment */ 631 0, /* no boundary */ 632 BUS_SPACE_MAXADDR, /* lowaddr */ 633 BUS_SPACE_MAXADDR, /* highaddr */ 634 NULL, NULL, /* filter, filterarg */ 635 MJUM16BYTES, /* maxsize */ 636 1, /* nsegments */ 637 MJUM16BYTES, /* maxsegsize */ 638 0, /* flags */ 639 NULL, NULL, /* lockfunc, lockfuncarg */ 640 &rq->dma_tag))) 641 goto done; 642 643 err = mlx5_wq_ll_create(mdev, ¶m->wq, rqc_wq, &rq->wq, 644 &rq->wq_ctrl); 645 if (err) 646 goto err_free_dma_tag; 647 648 rq->wq.db = &rq->wq.db[MLX5_RCV_DBR]; 649 650 if (priv->params.hw_lro_en) { 651 rq->wqe_sz = priv->params.lro_wqe_sz; 652 } else { 653 rq->wqe_sz = MLX5E_SW2MB_MTU(priv->ifp->if_mtu); 654 } 655 if (rq->wqe_sz > MJUM16BYTES) { 656 err = -ENOMEM; 657 goto err_rq_wq_destroy; 658 } else if (rq->wqe_sz > MJUM9BYTES) { 659 rq->wqe_sz = MJUM16BYTES; 660 } else if (rq->wqe_sz > MJUMPAGESIZE) { 661 rq->wqe_sz = MJUM9BYTES; 662 } else if (rq->wqe_sz > MCLBYTES) { 663 rq->wqe_sz = MJUMPAGESIZE; 664 } else { 665 rq->wqe_sz = MCLBYTES; 666 } 667 668 wq_sz = mlx5_wq_ll_get_size(&rq->wq); 669 rq->mbuf = malloc(wq_sz * sizeof(rq->mbuf[0]), M_MLX5EN, M_WAITOK | M_ZERO); 670 if (rq->mbuf == NULL) { 671 err = -ENOMEM; 672 goto err_rq_wq_destroy; 673 } 674 for (i = 0; i != wq_sz; i++) { 675 struct mlx5e_rx_wqe *wqe = mlx5_wq_ll_get_wqe(&rq->wq, i); 676 uint32_t byte_count = rq->wqe_sz - MLX5E_NET_IP_ALIGN; 677 678 err = -bus_dmamap_create(rq->dma_tag, 0, &rq->mbuf[i].dma_map); 679 if (err != 0) { 680 while (i--) 681 bus_dmamap_destroy(rq->dma_tag, rq->mbuf[i].dma_map); 682 goto err_rq_mbuf_free; 683 } 684 wqe->data.lkey = c->mkey_be; 685 wqe->data.byte_count = cpu_to_be32(byte_count | MLX5_HW_START_PADDING); 686 } 687 688 rq->pdev = c->pdev; 689 rq->ifp = c->ifp; 690 rq->channel = c; 691 rq->ix = c->ix; 692 693 snprintf(buffer, sizeof(buffer), "rxstat%d", c->ix); 694 mlx5e_create_stats(&rq->stats.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 695 buffer, mlx5e_rq_stats_desc, MLX5E_RQ_STATS_NUM, 696 rq->stats.arg); 697 698 #ifdef HAVE_TURBO_LRO 699 if (tcp_tlro_init(&rq->lro, c->ifp, MLX5E_BUDGET_MAX) != 0) 700 rq->lro.mbuf = NULL; 701 #else 702 if (tcp_lro_init(&rq->lro)) 703 rq->lro.lro_cnt = 0; 704 else 705 rq->lro.ifp = c->ifp; 706 #endif 707 return (0); 708 709 err_rq_mbuf_free: 710 free(rq->mbuf, M_MLX5EN); 711 err_rq_wq_destroy: 712 mlx5_wq_destroy(&rq->wq_ctrl); 713 err_free_dma_tag: 714 bus_dma_tag_destroy(rq->dma_tag); 715 done: 716 return (err); 717 } 718 719 static void 720 mlx5e_destroy_rq(struct mlx5e_rq *rq) 721 { 722 int wq_sz; 723 int i; 724 725 /* destroy all sysctl nodes */ 726 sysctl_ctx_free(&rq->stats.ctx); 727 728 /* free leftover LRO packets, if any */ 729 #ifdef HAVE_TURBO_LRO 730 tcp_tlro_free(&rq->lro); 731 #else 732 tcp_lro_free(&rq->lro); 733 #endif 734 wq_sz = mlx5_wq_ll_get_size(&rq->wq); 735 for (i = 0; i != wq_sz; i++) { 736 if (rq->mbuf[i].mbuf != NULL) { 737 bus_dmamap_unload(rq->dma_tag, 738 rq->mbuf[i].dma_map); 739 m_freem(rq->mbuf[i].mbuf); 740 } 741 bus_dmamap_destroy(rq->dma_tag, rq->mbuf[i].dma_map); 742 } 743 free(rq->mbuf, M_MLX5EN); 744 mlx5_wq_destroy(&rq->wq_ctrl); 745 } 746 747 static int 748 mlx5e_enable_rq(struct mlx5e_rq *rq, struct mlx5e_rq_param *param) 749 { 750 struct mlx5e_channel *c = rq->channel; 751 struct mlx5e_priv *priv = c->priv; 752 struct mlx5_core_dev *mdev = priv->mdev; 753 754 void *in; 755 void *rqc; 756 void *wq; 757 int inlen; 758 int err; 759 760 inlen = MLX5_ST_SZ_BYTES(create_rq_in) + 761 sizeof(u64) * rq->wq_ctrl.buf.npages; 762 in = mlx5_vzalloc(inlen); 763 if (in == NULL) 764 return (-ENOMEM); 765 766 rqc = MLX5_ADDR_OF(create_rq_in, in, ctx); 767 wq = MLX5_ADDR_OF(rqc, rqc, wq); 768 769 memcpy(rqc, param->rqc, sizeof(param->rqc)); 770 771 MLX5_SET(rqc, rqc, cqn, c->rq.cq.mcq.cqn); 772 MLX5_SET(rqc, rqc, state, MLX5_RQC_STATE_RST); 773 MLX5_SET(rqc, rqc, flush_in_error_en, 1); 774 if (priv->counter_set_id >= 0) 775 MLX5_SET(rqc, rqc, counter_set_id, priv->counter_set_id); 776 MLX5_SET(wq, wq, log_wq_pg_sz, rq->wq_ctrl.buf.page_shift - 777 PAGE_SHIFT); 778 MLX5_SET64(wq, wq, dbr_addr, rq->wq_ctrl.db.dma); 779 780 mlx5_fill_page_array(&rq->wq_ctrl.buf, 781 (__be64 *) MLX5_ADDR_OF(wq, wq, pas)); 782 783 err = mlx5_core_create_rq(mdev, in, inlen, &rq->rqn); 784 785 kvfree(in); 786 787 return (err); 788 } 789 790 static int 791 mlx5e_modify_rq(struct mlx5e_rq *rq, int curr_state, int next_state) 792 { 793 struct mlx5e_channel *c = rq->channel; 794 struct mlx5e_priv *priv = c->priv; 795 struct mlx5_core_dev *mdev = priv->mdev; 796 797 void *in; 798 void *rqc; 799 int inlen; 800 int err; 801 802 inlen = MLX5_ST_SZ_BYTES(modify_rq_in); 803 in = mlx5_vzalloc(inlen); 804 if (in == NULL) 805 return (-ENOMEM); 806 807 rqc = MLX5_ADDR_OF(modify_rq_in, in, ctx); 808 809 MLX5_SET(modify_rq_in, in, rqn, rq->rqn); 810 MLX5_SET(modify_rq_in, in, rq_state, curr_state); 811 MLX5_SET(rqc, rqc, state, next_state); 812 813 err = mlx5_core_modify_rq(mdev, in, inlen); 814 815 kvfree(in); 816 817 return (err); 818 } 819 820 static void 821 mlx5e_disable_rq(struct mlx5e_rq *rq) 822 { 823 struct mlx5e_channel *c = rq->channel; 824 struct mlx5e_priv *priv = c->priv; 825 struct mlx5_core_dev *mdev = priv->mdev; 826 827 mlx5_core_destroy_rq(mdev, rq->rqn); 828 } 829 830 static int 831 mlx5e_wait_for_min_rx_wqes(struct mlx5e_rq *rq) 832 { 833 struct mlx5e_channel *c = rq->channel; 834 struct mlx5e_priv *priv = c->priv; 835 struct mlx5_wq_ll *wq = &rq->wq; 836 int i; 837 838 for (i = 0; i < 1000; i++) { 839 if (wq->cur_sz >= priv->params.min_rx_wqes) 840 return (0); 841 842 msleep(4); 843 } 844 return (-ETIMEDOUT); 845 } 846 847 static int 848 mlx5e_open_rq(struct mlx5e_channel *c, 849 struct mlx5e_rq_param *param, 850 struct mlx5e_rq *rq) 851 { 852 int err; 853 int i; 854 855 err = mlx5e_create_rq(c, param, rq); 856 if (err) 857 return (err); 858 859 err = mlx5e_enable_rq(rq, param); 860 if (err) 861 goto err_destroy_rq; 862 863 err = mlx5e_modify_rq(rq, MLX5_RQC_STATE_RST, MLX5_RQC_STATE_RDY); 864 if (err) 865 goto err_disable_rq; 866 867 c->rq.enabled = 1; 868 869 /* 870 * Test send queues, which will trigger 871 * "mlx5e_post_rx_wqes()": 872 */ 873 for (i = 0; i != c->num_tc; i++) 874 mlx5e_send_nop(&c->sq[i], 1, true); 875 return (0); 876 877 err_disable_rq: 878 mlx5e_disable_rq(rq); 879 err_destroy_rq: 880 mlx5e_destroy_rq(rq); 881 882 return (err); 883 } 884 885 static void 886 mlx5e_close_rq(struct mlx5e_rq *rq) 887 { 888 rq->enabled = 0; 889 mlx5e_modify_rq(rq, MLX5_RQC_STATE_RDY, MLX5_RQC_STATE_ERR); 890 } 891 892 static void 893 mlx5e_close_rq_wait(struct mlx5e_rq *rq) 894 { 895 /* wait till RQ is empty */ 896 while (!mlx5_wq_ll_is_empty(&rq->wq)) { 897 msleep(4); 898 rq->cq.mcq.comp(&rq->cq.mcq); 899 } 900 901 mlx5e_disable_rq(rq); 902 mlx5e_destroy_rq(rq); 903 } 904 905 static void 906 mlx5e_free_sq_db(struct mlx5e_sq *sq) 907 { 908 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); 909 int x; 910 911 for (x = 0; x != wq_sz; x++) 912 bus_dmamap_destroy(sq->dma_tag, sq->mbuf[x].dma_map); 913 free(sq->mbuf, M_MLX5EN); 914 } 915 916 static int 917 mlx5e_alloc_sq_db(struct mlx5e_sq *sq) 918 { 919 int wq_sz = mlx5_wq_cyc_get_size(&sq->wq); 920 int err; 921 int x; 922 923 sq->mbuf = malloc(wq_sz * sizeof(sq->mbuf[0]), M_MLX5EN, M_WAITOK | M_ZERO); 924 if (sq->mbuf == NULL) 925 return (-ENOMEM); 926 927 /* Create DMA descriptor MAPs */ 928 for (x = 0; x != wq_sz; x++) { 929 err = -bus_dmamap_create(sq->dma_tag, 0, &sq->mbuf[x].dma_map); 930 if (err != 0) { 931 while (x--) 932 bus_dmamap_destroy(sq->dma_tag, sq->mbuf[x].dma_map); 933 free(sq->mbuf, M_MLX5EN); 934 return (err); 935 } 936 } 937 return (0); 938 } 939 940 static const char *mlx5e_sq_stats_desc[] = { 941 MLX5E_SQ_STATS(MLX5E_STATS_DESC) 942 }; 943 944 static int 945 mlx5e_create_sq(struct mlx5e_channel *c, 946 int tc, 947 struct mlx5e_sq_param *param, 948 struct mlx5e_sq *sq) 949 { 950 struct mlx5e_priv *priv = c->priv; 951 struct mlx5_core_dev *mdev = priv->mdev; 952 char buffer[16]; 953 954 void *sqc = param->sqc; 955 void *sqc_wq = MLX5_ADDR_OF(sqc, sqc, wq); 956 #ifdef RSS 957 cpuset_t cpu_mask; 958 int cpu_id; 959 #endif 960 int err; 961 962 /* Create DMA descriptor TAG */ 963 if ((err = -bus_dma_tag_create( 964 bus_get_dma_tag(mdev->pdev->dev.bsddev), 965 1, /* any alignment */ 966 0, /* no boundary */ 967 BUS_SPACE_MAXADDR, /* lowaddr */ 968 BUS_SPACE_MAXADDR, /* highaddr */ 969 NULL, NULL, /* filter, filterarg */ 970 MLX5E_MAX_TX_PAYLOAD_SIZE, /* maxsize */ 971 MLX5E_MAX_TX_MBUF_FRAGS, /* nsegments */ 972 MLX5E_MAX_TX_MBUF_SIZE, /* maxsegsize */ 973 0, /* flags */ 974 NULL, NULL, /* lockfunc, lockfuncarg */ 975 &sq->dma_tag))) 976 goto done; 977 978 err = mlx5_alloc_map_uar(mdev, &sq->uar); 979 if (err) 980 goto err_free_dma_tag; 981 982 err = mlx5_wq_cyc_create(mdev, ¶m->wq, sqc_wq, &sq->wq, 983 &sq->wq_ctrl); 984 if (err) 985 goto err_unmap_free_uar; 986 987 sq->wq.db = &sq->wq.db[MLX5_SND_DBR]; 988 sq->uar_map = sq->uar.map; 989 sq->uar_bf_map = sq->uar.bf_map; 990 sq->bf_buf_size = (1 << MLX5_CAP_GEN(mdev, log_bf_reg_size)) / 2; 991 992 err = mlx5e_alloc_sq_db(sq); 993 if (err) 994 goto err_sq_wq_destroy; 995 996 sq->pdev = c->pdev; 997 sq->mkey_be = c->mkey_be; 998 sq->channel = c; 999 sq->tc = tc; 1000 1001 sq->br = buf_ring_alloc(MLX5E_SQ_TX_QUEUE_SIZE, M_MLX5EN, 1002 M_WAITOK, &sq->lock); 1003 if (sq->br == NULL) { 1004 if_printf(c->ifp, "%s: Failed allocating sq drbr buffer\n", 1005 __func__); 1006 err = -ENOMEM; 1007 goto err_free_sq_db; 1008 } 1009 1010 sq->sq_tq = taskqueue_create_fast("mlx5e_que", M_WAITOK, 1011 taskqueue_thread_enqueue, &sq->sq_tq); 1012 if (sq->sq_tq == NULL) { 1013 if_printf(c->ifp, "%s: Failed allocating taskqueue\n", 1014 __func__); 1015 err = -ENOMEM; 1016 goto err_free_drbr; 1017 } 1018 1019 TASK_INIT(&sq->sq_task, 0, mlx5e_tx_que, sq); 1020 #ifdef RSS 1021 cpu_id = rss_getcpu(c->ix % rss_getnumbuckets()); 1022 CPU_SETOF(cpu_id, &cpu_mask); 1023 taskqueue_start_threads_cpuset(&sq->sq_tq, 1, PI_NET, &cpu_mask, 1024 "%s TX SQ%d.%d CPU%d", c->ifp->if_xname, c->ix, tc, cpu_id); 1025 #else 1026 taskqueue_start_threads(&sq->sq_tq, 1, PI_NET, 1027 "%s TX SQ%d.%d", c->ifp->if_xname, c->ix, tc); 1028 #endif 1029 snprintf(buffer, sizeof(buffer), "txstat%dtc%d", c->ix, tc); 1030 mlx5e_create_stats(&sq->stats.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 1031 buffer, mlx5e_sq_stats_desc, MLX5E_SQ_STATS_NUM, 1032 sq->stats.arg); 1033 1034 return (0); 1035 1036 err_free_drbr: 1037 buf_ring_free(sq->br, M_MLX5EN); 1038 err_free_sq_db: 1039 mlx5e_free_sq_db(sq); 1040 err_sq_wq_destroy: 1041 mlx5_wq_destroy(&sq->wq_ctrl); 1042 1043 err_unmap_free_uar: 1044 mlx5_unmap_free_uar(mdev, &sq->uar); 1045 1046 err_free_dma_tag: 1047 bus_dma_tag_destroy(sq->dma_tag); 1048 done: 1049 return (err); 1050 } 1051 1052 static void 1053 mlx5e_destroy_sq(struct mlx5e_sq *sq) 1054 { 1055 struct mlx5e_channel *c = sq->channel; 1056 struct mlx5e_priv *priv = c->priv; 1057 1058 /* destroy all sysctl nodes */ 1059 sysctl_ctx_free(&sq->stats.ctx); 1060 1061 mlx5e_free_sq_db(sq); 1062 mlx5_wq_destroy(&sq->wq_ctrl); 1063 mlx5_unmap_free_uar(priv->mdev, &sq->uar); 1064 taskqueue_drain(sq->sq_tq, &sq->sq_task); 1065 taskqueue_free(sq->sq_tq); 1066 buf_ring_free(sq->br, M_MLX5EN); 1067 } 1068 1069 static int 1070 mlx5e_enable_sq(struct mlx5e_sq *sq, struct mlx5e_sq_param *param) 1071 { 1072 struct mlx5e_channel *c = sq->channel; 1073 struct mlx5e_priv *priv = c->priv; 1074 struct mlx5_core_dev *mdev = priv->mdev; 1075 1076 void *in; 1077 void *sqc; 1078 void *wq; 1079 int inlen; 1080 int err; 1081 1082 inlen = MLX5_ST_SZ_BYTES(create_sq_in) + 1083 sizeof(u64) * sq->wq_ctrl.buf.npages; 1084 in = mlx5_vzalloc(inlen); 1085 if (in == NULL) 1086 return (-ENOMEM); 1087 1088 sqc = MLX5_ADDR_OF(create_sq_in, in, ctx); 1089 wq = MLX5_ADDR_OF(sqc, sqc, wq); 1090 1091 memcpy(sqc, param->sqc, sizeof(param->sqc)); 1092 1093 MLX5_SET(sqc, sqc, tis_num_0, priv->tisn[sq->tc]); 1094 MLX5_SET(sqc, sqc, cqn, c->sq[sq->tc].cq.mcq.cqn); 1095 MLX5_SET(sqc, sqc, state, MLX5_SQC_STATE_RST); 1096 MLX5_SET(sqc, sqc, tis_lst_sz, 1); 1097 MLX5_SET(sqc, sqc, flush_in_error_en, 1); 1098 1099 MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_CYCLIC); 1100 MLX5_SET(wq, wq, uar_page, sq->uar.index); 1101 MLX5_SET(wq, wq, log_wq_pg_sz, sq->wq_ctrl.buf.page_shift - 1102 PAGE_SHIFT); 1103 MLX5_SET64(wq, wq, dbr_addr, sq->wq_ctrl.db.dma); 1104 1105 mlx5_fill_page_array(&sq->wq_ctrl.buf, 1106 (__be64 *) MLX5_ADDR_OF(wq, wq, pas)); 1107 1108 err = mlx5_core_create_sq(mdev, in, inlen, &sq->sqn); 1109 1110 kvfree(in); 1111 1112 return (err); 1113 } 1114 1115 static int 1116 mlx5e_modify_sq(struct mlx5e_sq *sq, int curr_state, int next_state) 1117 { 1118 struct mlx5e_channel *c = sq->channel; 1119 struct mlx5e_priv *priv = c->priv; 1120 struct mlx5_core_dev *mdev = priv->mdev; 1121 1122 void *in; 1123 void *sqc; 1124 int inlen; 1125 int err; 1126 1127 inlen = MLX5_ST_SZ_BYTES(modify_sq_in); 1128 in = mlx5_vzalloc(inlen); 1129 if (in == NULL) 1130 return (-ENOMEM); 1131 1132 sqc = MLX5_ADDR_OF(modify_sq_in, in, ctx); 1133 1134 MLX5_SET(modify_sq_in, in, sqn, sq->sqn); 1135 MLX5_SET(modify_sq_in, in, sq_state, curr_state); 1136 MLX5_SET(sqc, sqc, state, next_state); 1137 1138 err = mlx5_core_modify_sq(mdev, in, inlen); 1139 1140 kvfree(in); 1141 1142 return (err); 1143 } 1144 1145 static void 1146 mlx5e_disable_sq(struct mlx5e_sq *sq) 1147 { 1148 struct mlx5e_channel *c = sq->channel; 1149 struct mlx5e_priv *priv = c->priv; 1150 struct mlx5_core_dev *mdev = priv->mdev; 1151 1152 mlx5_core_destroy_sq(mdev, sq->sqn); 1153 } 1154 1155 static int 1156 mlx5e_open_sq(struct mlx5e_channel *c, 1157 int tc, 1158 struct mlx5e_sq_param *param, 1159 struct mlx5e_sq *sq) 1160 { 1161 int err; 1162 1163 err = mlx5e_create_sq(c, tc, param, sq); 1164 if (err) 1165 return (err); 1166 1167 err = mlx5e_enable_sq(sq, param); 1168 if (err) 1169 goto err_destroy_sq; 1170 1171 err = mlx5e_modify_sq(sq, MLX5_SQC_STATE_RST, MLX5_SQC_STATE_RDY); 1172 if (err) 1173 goto err_disable_sq; 1174 1175 atomic_store_rel_int(&sq->queue_state, MLX5E_SQ_READY); 1176 1177 return (0); 1178 1179 err_disable_sq: 1180 mlx5e_disable_sq(sq); 1181 err_destroy_sq: 1182 mlx5e_destroy_sq(sq); 1183 1184 return (err); 1185 } 1186 1187 static void 1188 mlx5e_close_sq(struct mlx5e_sq *sq) 1189 { 1190 1191 /* ensure hw is notified of all pending wqes */ 1192 if (mlx5e_sq_has_room_for(sq, 1)) 1193 mlx5e_send_nop(sq, 1, true); 1194 1195 mlx5e_modify_sq(sq, MLX5_SQC_STATE_RDY, MLX5_SQC_STATE_ERR); 1196 } 1197 1198 static void 1199 mlx5e_close_sq_wait(struct mlx5e_sq *sq) 1200 { 1201 /* wait till SQ is empty */ 1202 while (sq->cc != sq->pc) { 1203 msleep(4); 1204 sq->cq.mcq.comp(&sq->cq.mcq); 1205 } 1206 1207 mlx5e_disable_sq(sq); 1208 mlx5e_destroy_sq(sq); 1209 } 1210 1211 static int 1212 mlx5e_create_cq(struct mlx5e_channel *c, 1213 struct mlx5e_cq_param *param, 1214 struct mlx5e_cq *cq, 1215 mlx5e_cq_comp_t *comp) 1216 { 1217 struct mlx5e_priv *priv = c->priv; 1218 struct mlx5_core_dev *mdev = priv->mdev; 1219 struct mlx5_core_cq *mcq = &cq->mcq; 1220 int eqn_not_used; 1221 int irqn; 1222 int err; 1223 u32 i; 1224 1225 param->wq.buf_numa_node = 0; 1226 param->wq.db_numa_node = 0; 1227 param->eq_ix = c->ix; 1228 1229 err = mlx5_cqwq_create(mdev, ¶m->wq, param->cqc, &cq->wq, 1230 &cq->wq_ctrl); 1231 if (err) 1232 return (err); 1233 1234 mlx5_vector2eqn(mdev, param->eq_ix, &eqn_not_used, &irqn); 1235 1236 mcq->cqe_sz = 64; 1237 mcq->set_ci_db = cq->wq_ctrl.db.db; 1238 mcq->arm_db = cq->wq_ctrl.db.db + 1; 1239 *mcq->set_ci_db = 0; 1240 *mcq->arm_db = 0; 1241 mcq->vector = param->eq_ix; 1242 mcq->comp = comp; 1243 mcq->event = mlx5e_cq_error_event; 1244 mcq->irqn = irqn; 1245 mcq->uar = &priv->cq_uar; 1246 1247 for (i = 0; i < mlx5_cqwq_get_size(&cq->wq); i++) { 1248 struct mlx5_cqe64 *cqe = mlx5_cqwq_get_wqe(&cq->wq, i); 1249 1250 cqe->op_own = 0xf1; 1251 } 1252 1253 cq->channel = c; 1254 1255 return (0); 1256 } 1257 1258 static void 1259 mlx5e_destroy_cq(struct mlx5e_cq *cq) 1260 { 1261 mlx5_wq_destroy(&cq->wq_ctrl); 1262 } 1263 1264 static int 1265 mlx5e_enable_cq(struct mlx5e_cq *cq, struct mlx5e_cq_param *param, 1266 u8 moderation_mode) 1267 { 1268 struct mlx5e_channel *c = cq->channel; 1269 struct mlx5e_priv *priv = c->priv; 1270 struct mlx5_core_dev *mdev = priv->mdev; 1271 struct mlx5_core_cq *mcq = &cq->mcq; 1272 void *in; 1273 void *cqc; 1274 int inlen; 1275 int irqn_not_used; 1276 int eqn; 1277 int err; 1278 1279 inlen = MLX5_ST_SZ_BYTES(create_cq_in) + 1280 sizeof(u64) * cq->wq_ctrl.buf.npages; 1281 in = mlx5_vzalloc(inlen); 1282 if (in == NULL) 1283 return (-ENOMEM); 1284 1285 cqc = MLX5_ADDR_OF(create_cq_in, in, cq_context); 1286 1287 memcpy(cqc, param->cqc, sizeof(param->cqc)); 1288 1289 mlx5_fill_page_array(&cq->wq_ctrl.buf, 1290 (__be64 *) MLX5_ADDR_OF(create_cq_in, in, pas)); 1291 1292 mlx5_vector2eqn(mdev, param->eq_ix, &eqn, &irqn_not_used); 1293 1294 MLX5_SET(cqc, cqc, cq_period_mode, moderation_mode); 1295 MLX5_SET(cqc, cqc, c_eqn, eqn); 1296 MLX5_SET(cqc, cqc, uar_page, mcq->uar->index); 1297 MLX5_SET(cqc, cqc, log_page_size, cq->wq_ctrl.buf.page_shift - 1298 PAGE_SHIFT); 1299 MLX5_SET64(cqc, cqc, dbr_addr, cq->wq_ctrl.db.dma); 1300 1301 err = mlx5_core_create_cq(mdev, mcq, in, inlen); 1302 1303 kvfree(in); 1304 1305 if (err) 1306 return (err); 1307 1308 mlx5e_cq_arm(cq); 1309 1310 return (0); 1311 } 1312 1313 static void 1314 mlx5e_disable_cq(struct mlx5e_cq *cq) 1315 { 1316 struct mlx5e_channel *c = cq->channel; 1317 struct mlx5e_priv *priv = c->priv; 1318 struct mlx5_core_dev *mdev = priv->mdev; 1319 1320 mlx5_core_destroy_cq(mdev, &cq->mcq); 1321 } 1322 1323 static int 1324 mlx5e_open_cq(struct mlx5e_channel *c, 1325 struct mlx5e_cq_param *param, 1326 struct mlx5e_cq *cq, 1327 mlx5e_cq_comp_t *comp, 1328 u8 moderation_mode) 1329 { 1330 int err; 1331 1332 err = mlx5e_create_cq(c, param, cq, comp); 1333 if (err) 1334 return (err); 1335 1336 err = mlx5e_enable_cq(cq, param, moderation_mode); 1337 if (err) 1338 goto err_destroy_cq; 1339 1340 return (0); 1341 1342 err_destroy_cq: 1343 mlx5e_destroy_cq(cq); 1344 1345 return (err); 1346 } 1347 1348 static void 1349 mlx5e_close_cq(struct mlx5e_cq *cq) 1350 { 1351 mlx5e_disable_cq(cq); 1352 mlx5e_destroy_cq(cq); 1353 } 1354 1355 static int 1356 mlx5e_open_tx_cqs(struct mlx5e_channel *c, 1357 struct mlx5e_channel_param *cparam) 1358 { 1359 u8 tx_moderation_mode; 1360 int err; 1361 int tc; 1362 1363 switch (c->priv->params.tx_cq_moderation_mode) { 1364 case 0: 1365 tx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1366 break; 1367 default: 1368 if (MLX5_CAP_GEN(c->priv->mdev, cq_period_start_from_cqe)) 1369 tx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_CQE; 1370 else 1371 tx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1372 break; 1373 } 1374 for (tc = 0; tc < c->num_tc; tc++) { 1375 /* open completion queue */ 1376 err = mlx5e_open_cq(c, &cparam->tx_cq, &c->sq[tc].cq, 1377 &mlx5e_tx_cq_comp, tx_moderation_mode); 1378 if (err) 1379 goto err_close_tx_cqs; 1380 } 1381 return (0); 1382 1383 err_close_tx_cqs: 1384 for (tc--; tc >= 0; tc--) 1385 mlx5e_close_cq(&c->sq[tc].cq); 1386 1387 return (err); 1388 } 1389 1390 static void 1391 mlx5e_close_tx_cqs(struct mlx5e_channel *c) 1392 { 1393 int tc; 1394 1395 for (tc = 0; tc < c->num_tc; tc++) 1396 mlx5e_close_cq(&c->sq[tc].cq); 1397 } 1398 1399 static int 1400 mlx5e_open_sqs(struct mlx5e_channel *c, 1401 struct mlx5e_channel_param *cparam) 1402 { 1403 int err; 1404 int tc; 1405 1406 for (tc = 0; tc < c->num_tc; tc++) { 1407 err = mlx5e_open_sq(c, tc, &cparam->sq, &c->sq[tc]); 1408 if (err) 1409 goto err_close_sqs; 1410 } 1411 1412 return (0); 1413 1414 err_close_sqs: 1415 for (tc--; tc >= 0; tc--) { 1416 mlx5e_close_sq(&c->sq[tc]); 1417 mlx5e_close_sq_wait(&c->sq[tc]); 1418 } 1419 1420 return (err); 1421 } 1422 1423 static void 1424 mlx5e_close_sqs(struct mlx5e_channel *c) 1425 { 1426 int tc; 1427 1428 for (tc = 0; tc < c->num_tc; tc++) 1429 mlx5e_close_sq(&c->sq[tc]); 1430 } 1431 1432 static void 1433 mlx5e_close_sqs_wait(struct mlx5e_channel *c) 1434 { 1435 int tc; 1436 1437 for (tc = 0; tc < c->num_tc; tc++) 1438 mlx5e_close_sq_wait(&c->sq[tc]); 1439 } 1440 1441 static void 1442 mlx5e_chan_mtx_init(struct mlx5e_channel *c) 1443 { 1444 int tc; 1445 1446 mtx_init(&c->rq.mtx, "mlx5rx", MTX_NETWORK_LOCK, MTX_DEF); 1447 1448 for (tc = 0; tc < c->num_tc; tc++) { 1449 mtx_init(&c->sq[tc].lock, "mlx5tx", MTX_NETWORK_LOCK, MTX_DEF); 1450 mtx_init(&c->sq[tc].comp_lock, "mlx5comp", MTX_NETWORK_LOCK, 1451 MTX_DEF); 1452 } 1453 } 1454 1455 static void 1456 mlx5e_chan_mtx_destroy(struct mlx5e_channel *c) 1457 { 1458 int tc; 1459 1460 mtx_destroy(&c->rq.mtx); 1461 1462 for (tc = 0; tc < c->num_tc; tc++) { 1463 mtx_destroy(&c->sq[tc].lock); 1464 mtx_destroy(&c->sq[tc].comp_lock); 1465 } 1466 } 1467 1468 static int 1469 mlx5e_open_channel(struct mlx5e_priv *priv, int ix, 1470 struct mlx5e_channel_param *cparam, 1471 struct mlx5e_channel *volatile *cp) 1472 { 1473 struct mlx5e_channel *c; 1474 u8 rx_moderation_mode; 1475 int err; 1476 1477 c = malloc(sizeof(*c), M_MLX5EN, M_WAITOK | M_ZERO); 1478 if (c == NULL) 1479 return (-ENOMEM); 1480 1481 c->priv = priv; 1482 c->ix = ix; 1483 c->cpu = 0; 1484 c->pdev = &priv->mdev->pdev->dev; 1485 c->ifp = priv->ifp; 1486 c->mkey_be = cpu_to_be32(priv->mr.key); 1487 c->num_tc = priv->num_tc; 1488 1489 /* init mutexes */ 1490 mlx5e_chan_mtx_init(c); 1491 1492 /* open transmit completion queue */ 1493 err = mlx5e_open_tx_cqs(c, cparam); 1494 if (err) 1495 goto err_free; 1496 1497 switch (priv->params.rx_cq_moderation_mode) { 1498 case 0: 1499 rx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1500 break; 1501 default: 1502 if (MLX5_CAP_GEN(priv->mdev, cq_period_start_from_cqe)) 1503 rx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_CQE; 1504 else 1505 rx_moderation_mode = MLX5_CQ_PERIOD_MODE_START_FROM_EQE; 1506 break; 1507 } 1508 1509 /* open receive completion queue */ 1510 err = mlx5e_open_cq(c, &cparam->rx_cq, &c->rq.cq, 1511 &mlx5e_rx_cq_comp, rx_moderation_mode); 1512 if (err) 1513 goto err_close_tx_cqs; 1514 1515 err = mlx5e_open_sqs(c, cparam); 1516 if (err) 1517 goto err_close_rx_cq; 1518 1519 err = mlx5e_open_rq(c, &cparam->rq, &c->rq); 1520 if (err) 1521 goto err_close_sqs; 1522 1523 /* store channel pointer */ 1524 *cp = c; 1525 1526 /* poll receive queue initially */ 1527 c->rq.cq.mcq.comp(&c->rq.cq.mcq); 1528 1529 return (0); 1530 1531 err_close_sqs: 1532 mlx5e_close_sqs(c); 1533 mlx5e_close_sqs_wait(c); 1534 1535 err_close_rx_cq: 1536 mlx5e_close_cq(&c->rq.cq); 1537 1538 err_close_tx_cqs: 1539 mlx5e_close_tx_cqs(c); 1540 1541 err_free: 1542 /* destroy mutexes */ 1543 mlx5e_chan_mtx_destroy(c); 1544 free(c, M_MLX5EN); 1545 return (err); 1546 } 1547 1548 static void 1549 mlx5e_close_channel(struct mlx5e_channel *volatile *pp) 1550 { 1551 struct mlx5e_channel *c = *pp; 1552 1553 /* check if channel is already closed */ 1554 if (c == NULL) 1555 return; 1556 mlx5e_close_rq(&c->rq); 1557 mlx5e_close_sqs(c); 1558 } 1559 1560 static void 1561 mlx5e_close_channel_wait(struct mlx5e_channel *volatile *pp) 1562 { 1563 struct mlx5e_channel *c = *pp; 1564 1565 /* check if channel is already closed */ 1566 if (c == NULL) 1567 return; 1568 /* ensure channel pointer is no longer used */ 1569 *pp = NULL; 1570 1571 mlx5e_close_rq_wait(&c->rq); 1572 mlx5e_close_sqs_wait(c); 1573 mlx5e_close_cq(&c->rq.cq); 1574 mlx5e_close_tx_cqs(c); 1575 /* destroy mutexes */ 1576 mlx5e_chan_mtx_destroy(c); 1577 free(c, M_MLX5EN); 1578 } 1579 1580 static void 1581 mlx5e_build_rq_param(struct mlx5e_priv *priv, 1582 struct mlx5e_rq_param *param) 1583 { 1584 void *rqc = param->rqc; 1585 void *wq = MLX5_ADDR_OF(rqc, rqc, wq); 1586 1587 MLX5_SET(wq, wq, wq_type, MLX5_WQ_TYPE_LINKED_LIST); 1588 MLX5_SET(wq, wq, end_padding_mode, MLX5_WQ_END_PAD_MODE_ALIGN); 1589 MLX5_SET(wq, wq, log_wq_stride, ilog2(sizeof(struct mlx5e_rx_wqe))); 1590 MLX5_SET(wq, wq, log_wq_sz, priv->params.log_rq_size); 1591 MLX5_SET(wq, wq, pd, priv->pdn); 1592 1593 param->wq.buf_numa_node = 0; 1594 param->wq.db_numa_node = 0; 1595 param->wq.linear = 1; 1596 } 1597 1598 static void 1599 mlx5e_build_sq_param(struct mlx5e_priv *priv, 1600 struct mlx5e_sq_param *param) 1601 { 1602 void *sqc = param->sqc; 1603 void *wq = MLX5_ADDR_OF(sqc, sqc, wq); 1604 1605 MLX5_SET(wq, wq, log_wq_sz, priv->params.log_sq_size); 1606 MLX5_SET(wq, wq, log_wq_stride, ilog2(MLX5_SEND_WQE_BB)); 1607 MLX5_SET(wq, wq, pd, priv->pdn); 1608 1609 param->wq.buf_numa_node = 0; 1610 param->wq.db_numa_node = 0; 1611 param->wq.linear = 1; 1612 } 1613 1614 static void 1615 mlx5e_build_common_cq_param(struct mlx5e_priv *priv, 1616 struct mlx5e_cq_param *param) 1617 { 1618 void *cqc = param->cqc; 1619 1620 MLX5_SET(cqc, cqc, uar_page, priv->cq_uar.index); 1621 } 1622 1623 static void 1624 mlx5e_build_rx_cq_param(struct mlx5e_priv *priv, 1625 struct mlx5e_cq_param *param) 1626 { 1627 void *cqc = param->cqc; 1628 1629 1630 /* 1631 * TODO The sysctl to control on/off is a bool value for now, which means 1632 * we only support CSUM, once HASH is implemnted we'll need to address that. 1633 */ 1634 if (priv->params.cqe_zipping_en) { 1635 MLX5_SET(cqc, cqc, mini_cqe_res_format, MLX5_CQE_FORMAT_CSUM); 1636 MLX5_SET(cqc, cqc, cqe_compression_en, 1); 1637 } 1638 1639 MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_rq_size); 1640 MLX5_SET(cqc, cqc, cq_period, priv->params.rx_cq_moderation_usec); 1641 MLX5_SET(cqc, cqc, cq_max_count, priv->params.rx_cq_moderation_pkts); 1642 1643 mlx5e_build_common_cq_param(priv, param); 1644 } 1645 1646 static void 1647 mlx5e_build_tx_cq_param(struct mlx5e_priv *priv, 1648 struct mlx5e_cq_param *param) 1649 { 1650 void *cqc = param->cqc; 1651 1652 MLX5_SET(cqc, cqc, log_cq_size, priv->params.log_sq_size); 1653 MLX5_SET(cqc, cqc, cq_period, priv->params.tx_cq_moderation_usec); 1654 MLX5_SET(cqc, cqc, cq_max_count, priv->params.tx_cq_moderation_pkts); 1655 1656 mlx5e_build_common_cq_param(priv, param); 1657 } 1658 1659 static void 1660 mlx5e_build_channel_param(struct mlx5e_priv *priv, 1661 struct mlx5e_channel_param *cparam) 1662 { 1663 memset(cparam, 0, sizeof(*cparam)); 1664 1665 mlx5e_build_rq_param(priv, &cparam->rq); 1666 mlx5e_build_sq_param(priv, &cparam->sq); 1667 mlx5e_build_rx_cq_param(priv, &cparam->rx_cq); 1668 mlx5e_build_tx_cq_param(priv, &cparam->tx_cq); 1669 } 1670 1671 static int 1672 mlx5e_open_channels(struct mlx5e_priv *priv) 1673 { 1674 struct mlx5e_channel_param cparam; 1675 void *ptr; 1676 int err; 1677 int i; 1678 int j; 1679 1680 priv->channel = malloc(priv->params.num_channels * 1681 sizeof(struct mlx5e_channel *), M_MLX5EN, M_WAITOK | M_ZERO); 1682 if (priv->channel == NULL) 1683 return (-ENOMEM); 1684 1685 mlx5e_build_channel_param(priv, &cparam); 1686 for (i = 0; i < priv->params.num_channels; i++) { 1687 err = mlx5e_open_channel(priv, i, &cparam, &priv->channel[i]); 1688 if (err) 1689 goto err_close_channels; 1690 } 1691 1692 for (j = 0; j < priv->params.num_channels; j++) { 1693 err = mlx5e_wait_for_min_rx_wqes(&priv->channel[j]->rq); 1694 if (err) 1695 goto err_close_channels; 1696 } 1697 1698 return (0); 1699 1700 err_close_channels: 1701 for (i--; i >= 0; i--) { 1702 mlx5e_close_channel(&priv->channel[i]); 1703 mlx5e_close_channel_wait(&priv->channel[i]); 1704 } 1705 1706 /* remove "volatile" attribute from "channel" pointer */ 1707 ptr = __DECONST(void *, priv->channel); 1708 priv->channel = NULL; 1709 1710 free(ptr, M_MLX5EN); 1711 1712 return (err); 1713 } 1714 1715 static void 1716 mlx5e_close_channels(struct mlx5e_priv *priv) 1717 { 1718 void *ptr; 1719 int i; 1720 1721 if (priv->channel == NULL) 1722 return; 1723 1724 for (i = 0; i < priv->params.num_channels; i++) 1725 mlx5e_close_channel(&priv->channel[i]); 1726 for (i = 0; i < priv->params.num_channels; i++) 1727 mlx5e_close_channel_wait(&priv->channel[i]); 1728 1729 /* remove "volatile" attribute from "channel" pointer */ 1730 ptr = __DECONST(void *, priv->channel); 1731 priv->channel = NULL; 1732 1733 free(ptr, M_MLX5EN); 1734 } 1735 1736 static int 1737 mlx5e_refresh_sq_params(struct mlx5e_priv *priv, struct mlx5e_sq *sq) 1738 { 1739 return (mlx5_core_modify_cq_moderation(priv->mdev, &sq->cq.mcq, 1740 priv->params.tx_cq_moderation_usec, 1741 priv->params.tx_cq_moderation_pkts)); 1742 } 1743 1744 static int 1745 mlx5e_refresh_rq_params(struct mlx5e_priv *priv, struct mlx5e_rq *rq) 1746 { 1747 return (mlx5_core_modify_cq_moderation(priv->mdev, &rq->cq.mcq, 1748 priv->params.rx_cq_moderation_usec, 1749 priv->params.rx_cq_moderation_pkts)); 1750 } 1751 1752 static int 1753 mlx5e_refresh_channel_params_sub(struct mlx5e_priv *priv, struct mlx5e_channel *c) 1754 { 1755 int err; 1756 int i; 1757 1758 if (c == NULL) 1759 return (EINVAL); 1760 1761 err = mlx5e_refresh_rq_params(priv, &c->rq); 1762 if (err) 1763 goto done; 1764 1765 for (i = 0; i != c->num_tc; i++) { 1766 err = mlx5e_refresh_sq_params(priv, &c->sq[i]); 1767 if (err) 1768 goto done; 1769 } 1770 done: 1771 return (err); 1772 } 1773 1774 int 1775 mlx5e_refresh_channel_params(struct mlx5e_priv *priv) 1776 { 1777 int i; 1778 1779 if (priv->channel == NULL) 1780 return (EINVAL); 1781 1782 for (i = 0; i < priv->params.num_channels; i++) { 1783 int err; 1784 1785 err = mlx5e_refresh_channel_params_sub(priv, priv->channel[i]); 1786 if (err) 1787 return (err); 1788 } 1789 return (0); 1790 } 1791 1792 static int 1793 mlx5e_open_tis(struct mlx5e_priv *priv, int tc) 1794 { 1795 struct mlx5_core_dev *mdev = priv->mdev; 1796 u32 in[MLX5_ST_SZ_DW(create_tis_in)]; 1797 void *tisc = MLX5_ADDR_OF(create_tis_in, in, ctx); 1798 1799 memset(in, 0, sizeof(in)); 1800 1801 MLX5_SET(tisc, tisc, prio, tc); 1802 MLX5_SET(tisc, tisc, transport_domain, priv->tdn); 1803 1804 return (mlx5_core_create_tis(mdev, in, sizeof(in), &priv->tisn[tc])); 1805 } 1806 1807 static void 1808 mlx5e_close_tis(struct mlx5e_priv *priv, int tc) 1809 { 1810 mlx5_core_destroy_tis(priv->mdev, priv->tisn[tc]); 1811 } 1812 1813 static int 1814 mlx5e_open_tises(struct mlx5e_priv *priv) 1815 { 1816 int num_tc = priv->num_tc; 1817 int err; 1818 int tc; 1819 1820 for (tc = 0; tc < num_tc; tc++) { 1821 err = mlx5e_open_tis(priv, tc); 1822 if (err) 1823 goto err_close_tises; 1824 } 1825 1826 return (0); 1827 1828 err_close_tises: 1829 for (tc--; tc >= 0; tc--) 1830 mlx5e_close_tis(priv, tc); 1831 1832 return (err); 1833 } 1834 1835 static void 1836 mlx5e_close_tises(struct mlx5e_priv *priv) 1837 { 1838 int num_tc = priv->num_tc; 1839 int tc; 1840 1841 for (tc = 0; tc < num_tc; tc++) 1842 mlx5e_close_tis(priv, tc); 1843 } 1844 1845 static int 1846 mlx5e_open_rqt(struct mlx5e_priv *priv) 1847 { 1848 struct mlx5_core_dev *mdev = priv->mdev; 1849 u32 *in; 1850 u32 out[MLX5_ST_SZ_DW(create_rqt_out)]; 1851 void *rqtc; 1852 int inlen; 1853 int err; 1854 int sz; 1855 int i; 1856 1857 sz = 1 << priv->params.rx_hash_log_tbl_sz; 1858 1859 inlen = MLX5_ST_SZ_BYTES(create_rqt_in) + sizeof(u32) * sz; 1860 in = mlx5_vzalloc(inlen); 1861 if (in == NULL) 1862 return (-ENOMEM); 1863 rqtc = MLX5_ADDR_OF(create_rqt_in, in, rqt_context); 1864 1865 MLX5_SET(rqtc, rqtc, rqt_actual_size, sz); 1866 MLX5_SET(rqtc, rqtc, rqt_max_size, sz); 1867 1868 for (i = 0; i < sz; i++) { 1869 int ix; 1870 #ifdef RSS 1871 ix = rss_get_indirection_to_bucket(i); 1872 #else 1873 ix = i; 1874 #endif 1875 /* ensure we don't overflow */ 1876 ix %= priv->params.num_channels; 1877 MLX5_SET(rqtc, rqtc, rq_num[i], priv->channel[ix]->rq.rqn); 1878 } 1879 1880 MLX5_SET(create_rqt_in, in, opcode, MLX5_CMD_OP_CREATE_RQT); 1881 1882 memset(out, 0, sizeof(out)); 1883 err = mlx5_cmd_exec_check_status(mdev, in, inlen, out, sizeof(out)); 1884 if (!err) 1885 priv->rqtn = MLX5_GET(create_rqt_out, out, rqtn); 1886 1887 kvfree(in); 1888 1889 return (err); 1890 } 1891 1892 static void 1893 mlx5e_close_rqt(struct mlx5e_priv *priv) 1894 { 1895 u32 in[MLX5_ST_SZ_DW(destroy_rqt_in)]; 1896 u32 out[MLX5_ST_SZ_DW(destroy_rqt_out)]; 1897 1898 memset(in, 0, sizeof(in)); 1899 1900 MLX5_SET(destroy_rqt_in, in, opcode, MLX5_CMD_OP_DESTROY_RQT); 1901 MLX5_SET(destroy_rqt_in, in, rqtn, priv->rqtn); 1902 1903 mlx5_cmd_exec_check_status(priv->mdev, in, sizeof(in), out, 1904 sizeof(out)); 1905 } 1906 1907 static void 1908 mlx5e_build_tir_ctx(struct mlx5e_priv *priv, u32 * tirc, int tt) 1909 { 1910 void *hfso = MLX5_ADDR_OF(tirc, tirc, rx_hash_field_selector_outer); 1911 __be32 *hkey; 1912 1913 MLX5_SET(tirc, tirc, transport_domain, priv->tdn); 1914 1915 #define ROUGH_MAX_L2_L3_HDR_SZ 256 1916 1917 #define MLX5_HASH_IP (MLX5_HASH_FIELD_SEL_SRC_IP |\ 1918 MLX5_HASH_FIELD_SEL_DST_IP) 1919 1920 #define MLX5_HASH_ALL (MLX5_HASH_FIELD_SEL_SRC_IP |\ 1921 MLX5_HASH_FIELD_SEL_DST_IP |\ 1922 MLX5_HASH_FIELD_SEL_L4_SPORT |\ 1923 MLX5_HASH_FIELD_SEL_L4_DPORT) 1924 1925 #define MLX5_HASH_IP_IPSEC_SPI (MLX5_HASH_FIELD_SEL_SRC_IP |\ 1926 MLX5_HASH_FIELD_SEL_DST_IP |\ 1927 MLX5_HASH_FIELD_SEL_IPSEC_SPI) 1928 1929 if (priv->params.hw_lro_en) { 1930 MLX5_SET(tirc, tirc, lro_enable_mask, 1931 MLX5_TIRC_LRO_ENABLE_MASK_IPV4_LRO | 1932 MLX5_TIRC_LRO_ENABLE_MASK_IPV6_LRO); 1933 MLX5_SET(tirc, tirc, lro_max_msg_sz, 1934 (priv->params.lro_wqe_sz - 1935 ROUGH_MAX_L2_L3_HDR_SZ) >> 8); 1936 /* TODO: add the option to choose timer value dynamically */ 1937 MLX5_SET(tirc, tirc, lro_timeout_period_usecs, 1938 MLX5_CAP_ETH(priv->mdev, 1939 lro_timer_supported_periods[2])); 1940 } 1941 1942 /* setup parameters for hashing TIR type, if any */ 1943 switch (tt) { 1944 case MLX5E_TT_ANY: 1945 MLX5_SET(tirc, tirc, disp_type, 1946 MLX5_TIRC_DISP_TYPE_DIRECT); 1947 MLX5_SET(tirc, tirc, inline_rqn, 1948 priv->channel[0]->rq.rqn); 1949 break; 1950 default: 1951 MLX5_SET(tirc, tirc, disp_type, 1952 MLX5_TIRC_DISP_TYPE_INDIRECT); 1953 MLX5_SET(tirc, tirc, indirect_table, 1954 priv->rqtn); 1955 MLX5_SET(tirc, tirc, rx_hash_fn, 1956 MLX5_TIRC_RX_HASH_FN_HASH_TOEPLITZ); 1957 hkey = (__be32 *) MLX5_ADDR_OF(tirc, tirc, rx_hash_toeplitz_key); 1958 #ifdef RSS 1959 /* 1960 * The FreeBSD RSS implementation does currently not 1961 * support symmetric Toeplitz hashes: 1962 */ 1963 MLX5_SET(tirc, tirc, rx_hash_symmetric, 0); 1964 rss_getkey((uint8_t *)hkey); 1965 #else 1966 MLX5_SET(tirc, tirc, rx_hash_symmetric, 1); 1967 hkey[0] = cpu_to_be32(0xD181C62C); 1968 hkey[1] = cpu_to_be32(0xF7F4DB5B); 1969 hkey[2] = cpu_to_be32(0x1983A2FC); 1970 hkey[3] = cpu_to_be32(0x943E1ADB); 1971 hkey[4] = cpu_to_be32(0xD9389E6B); 1972 hkey[5] = cpu_to_be32(0xD1039C2C); 1973 hkey[6] = cpu_to_be32(0xA74499AD); 1974 hkey[7] = cpu_to_be32(0x593D56D9); 1975 hkey[8] = cpu_to_be32(0xF3253C06); 1976 hkey[9] = cpu_to_be32(0x2ADC1FFC); 1977 #endif 1978 break; 1979 } 1980 1981 switch (tt) { 1982 case MLX5E_TT_IPV4_TCP: 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, l4_prot_type, 1986 MLX5_L4_PROT_TYPE_TCP); 1987 #ifdef RSS 1988 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_TCP_IPV4)) { 1989 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1990 MLX5_HASH_IP); 1991 } else 1992 #endif 1993 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 1994 MLX5_HASH_ALL); 1995 break; 1996 1997 case MLX5E_TT_IPV6_TCP: 1998 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 1999 MLX5_L3_PROT_TYPE_IPV6); 2000 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 2001 MLX5_L4_PROT_TYPE_TCP); 2002 #ifdef RSS 2003 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_TCP_IPV6)) { 2004 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2005 MLX5_HASH_IP); 2006 } else 2007 #endif 2008 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2009 MLX5_HASH_ALL); 2010 break; 2011 2012 case MLX5E_TT_IPV4_UDP: 2013 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 2014 MLX5_L3_PROT_TYPE_IPV4); 2015 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 2016 MLX5_L4_PROT_TYPE_UDP); 2017 #ifdef RSS 2018 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_UDP_IPV4)) { 2019 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2020 MLX5_HASH_IP); 2021 } else 2022 #endif 2023 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2024 MLX5_HASH_ALL); 2025 break; 2026 2027 case MLX5E_TT_IPV6_UDP: 2028 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 2029 MLX5_L3_PROT_TYPE_IPV6); 2030 MLX5_SET(rx_hash_field_select, hfso, l4_prot_type, 2031 MLX5_L4_PROT_TYPE_UDP); 2032 #ifdef RSS 2033 if (!(rss_gethashconfig() & RSS_HASHTYPE_RSS_UDP_IPV6)) { 2034 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2035 MLX5_HASH_IP); 2036 } else 2037 #endif 2038 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2039 MLX5_HASH_ALL); 2040 break; 2041 2042 case MLX5E_TT_IPV4_IPSEC_AH: 2043 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 2044 MLX5_L3_PROT_TYPE_IPV4); 2045 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2046 MLX5_HASH_IP_IPSEC_SPI); 2047 break; 2048 2049 case MLX5E_TT_IPV6_IPSEC_AH: 2050 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 2051 MLX5_L3_PROT_TYPE_IPV6); 2052 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2053 MLX5_HASH_IP_IPSEC_SPI); 2054 break; 2055 2056 case MLX5E_TT_IPV4_IPSEC_ESP: 2057 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 2058 MLX5_L3_PROT_TYPE_IPV4); 2059 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2060 MLX5_HASH_IP_IPSEC_SPI); 2061 break; 2062 2063 case MLX5E_TT_IPV6_IPSEC_ESP: 2064 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 2065 MLX5_L3_PROT_TYPE_IPV6); 2066 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2067 MLX5_HASH_IP_IPSEC_SPI); 2068 break; 2069 2070 case MLX5E_TT_IPV4: 2071 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 2072 MLX5_L3_PROT_TYPE_IPV4); 2073 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2074 MLX5_HASH_IP); 2075 break; 2076 2077 case MLX5E_TT_IPV6: 2078 MLX5_SET(rx_hash_field_select, hfso, l3_prot_type, 2079 MLX5_L3_PROT_TYPE_IPV6); 2080 MLX5_SET(rx_hash_field_select, hfso, selected_fields, 2081 MLX5_HASH_IP); 2082 break; 2083 2084 default: 2085 break; 2086 } 2087 } 2088 2089 static int 2090 mlx5e_open_tir(struct mlx5e_priv *priv, int tt) 2091 { 2092 struct mlx5_core_dev *mdev = priv->mdev; 2093 u32 *in; 2094 void *tirc; 2095 int inlen; 2096 int err; 2097 2098 inlen = MLX5_ST_SZ_BYTES(create_tir_in); 2099 in = mlx5_vzalloc(inlen); 2100 if (in == NULL) 2101 return (-ENOMEM); 2102 tirc = MLX5_ADDR_OF(create_tir_in, in, tir_context); 2103 2104 mlx5e_build_tir_ctx(priv, tirc, tt); 2105 2106 err = mlx5_core_create_tir(mdev, in, inlen, &priv->tirn[tt]); 2107 2108 kvfree(in); 2109 2110 return (err); 2111 } 2112 2113 static void 2114 mlx5e_close_tir(struct mlx5e_priv *priv, int tt) 2115 { 2116 mlx5_core_destroy_tir(priv->mdev, priv->tirn[tt]); 2117 } 2118 2119 static int 2120 mlx5e_open_tirs(struct mlx5e_priv *priv) 2121 { 2122 int err; 2123 int i; 2124 2125 for (i = 0; i < MLX5E_NUM_TT; i++) { 2126 err = mlx5e_open_tir(priv, i); 2127 if (err) 2128 goto err_close_tirs; 2129 } 2130 2131 return (0); 2132 2133 err_close_tirs: 2134 for (i--; i >= 0; i--) 2135 mlx5e_close_tir(priv, i); 2136 2137 return (err); 2138 } 2139 2140 static void 2141 mlx5e_close_tirs(struct mlx5e_priv *priv) 2142 { 2143 int i; 2144 2145 for (i = 0; i < MLX5E_NUM_TT; i++) 2146 mlx5e_close_tir(priv, i); 2147 } 2148 2149 /* 2150 * SW MTU does not include headers, 2151 * HW MTU includes all headers and checksums. 2152 */ 2153 static int 2154 mlx5e_set_dev_port_mtu(struct ifnet *ifp, int sw_mtu) 2155 { 2156 struct mlx5e_priv *priv = ifp->if_softc; 2157 struct mlx5_core_dev *mdev = priv->mdev; 2158 int hw_mtu; 2159 int err; 2160 2161 2162 err = mlx5_set_port_mtu(mdev, MLX5E_SW2HW_MTU(sw_mtu)); 2163 if (err) { 2164 if_printf(ifp, "%s: mlx5_set_port_mtu failed setting %d, err=%d\n", 2165 __func__, sw_mtu, err); 2166 return (err); 2167 } 2168 err = mlx5_query_port_oper_mtu(mdev, &hw_mtu); 2169 if (!err) { 2170 ifp->if_mtu = MLX5E_HW2SW_MTU(hw_mtu); 2171 2172 if (ifp->if_mtu != sw_mtu) { 2173 if_printf(ifp, "Port MTU %d is different than " 2174 "ifp mtu %d\n", sw_mtu, (int)ifp->if_mtu); 2175 } 2176 } else { 2177 if_printf(ifp, "Query port MTU, after setting new " 2178 "MTU value, failed\n"); 2179 ifp->if_mtu = sw_mtu; 2180 } 2181 return (0); 2182 } 2183 2184 int 2185 mlx5e_open_locked(struct ifnet *ifp) 2186 { 2187 struct mlx5e_priv *priv = ifp->if_softc; 2188 int err; 2189 2190 /* check if already opened */ 2191 if (test_bit(MLX5E_STATE_OPENED, &priv->state) != 0) 2192 return (0); 2193 2194 #ifdef RSS 2195 if (rss_getnumbuckets() > priv->params.num_channels) { 2196 if_printf(ifp, "NOTE: There are more RSS buckets(%u) than " 2197 "channels(%u) available\n", rss_getnumbuckets(), 2198 priv->params.num_channels); 2199 } 2200 #endif 2201 err = mlx5e_open_tises(priv); 2202 if (err) { 2203 if_printf(ifp, "%s: mlx5e_open_tises failed, %d\n", 2204 __func__, err); 2205 return (err); 2206 } 2207 err = mlx5_vport_alloc_q_counter(priv->mdev, &priv->counter_set_id); 2208 if (err) { 2209 if_printf(priv->ifp, 2210 "%s: mlx5_vport_alloc_q_counter failed: %d\n", 2211 __func__, err); 2212 goto err_close_tises; 2213 } 2214 err = mlx5e_open_channels(priv); 2215 if (err) { 2216 if_printf(ifp, "%s: mlx5e_open_channels failed, %d\n", 2217 __func__, err); 2218 goto err_dalloc_q_counter; 2219 } 2220 err = mlx5e_open_rqt(priv); 2221 if (err) { 2222 if_printf(ifp, "%s: mlx5e_open_rqt failed, %d\n", 2223 __func__, err); 2224 goto err_close_channels; 2225 } 2226 err = mlx5e_open_tirs(priv); 2227 if (err) { 2228 if_printf(ifp, "%s: mlx5e_open_tir failed, %d\n", 2229 __func__, err); 2230 goto err_close_rqls; 2231 } 2232 err = mlx5e_open_flow_table(priv); 2233 if (err) { 2234 if_printf(ifp, "%s: mlx5e_open_flow_table failed, %d\n", 2235 __func__, err); 2236 goto err_close_tirs; 2237 } 2238 err = mlx5e_add_all_vlan_rules(priv); 2239 if (err) { 2240 if_printf(ifp, "%s: mlx5e_add_all_vlan_rules failed, %d\n", 2241 __func__, err); 2242 goto err_close_flow_table; 2243 } 2244 set_bit(MLX5E_STATE_OPENED, &priv->state); 2245 2246 mlx5e_update_carrier(priv); 2247 mlx5e_set_rx_mode_core(priv); 2248 2249 return (0); 2250 2251 err_close_flow_table: 2252 mlx5e_close_flow_table(priv); 2253 2254 err_close_tirs: 2255 mlx5e_close_tirs(priv); 2256 2257 err_close_rqls: 2258 mlx5e_close_rqt(priv); 2259 2260 err_close_channels: 2261 mlx5e_close_channels(priv); 2262 2263 err_dalloc_q_counter: 2264 mlx5_vport_dealloc_q_counter(priv->mdev, priv->counter_set_id); 2265 2266 err_close_tises: 2267 mlx5e_close_tises(priv); 2268 2269 return (err); 2270 } 2271 2272 static void 2273 mlx5e_open(void *arg) 2274 { 2275 struct mlx5e_priv *priv = arg; 2276 2277 PRIV_LOCK(priv); 2278 if (mlx5_set_port_status(priv->mdev, MLX5_PORT_UP)) 2279 if_printf(priv->ifp, 2280 "%s: Setting port status to up failed\n", 2281 __func__); 2282 2283 mlx5e_open_locked(priv->ifp); 2284 priv->ifp->if_drv_flags |= IFF_DRV_RUNNING; 2285 PRIV_UNLOCK(priv); 2286 } 2287 2288 int 2289 mlx5e_close_locked(struct ifnet *ifp) 2290 { 2291 struct mlx5e_priv *priv = ifp->if_softc; 2292 2293 /* check if already closed */ 2294 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0) 2295 return (0); 2296 2297 clear_bit(MLX5E_STATE_OPENED, &priv->state); 2298 2299 mlx5e_set_rx_mode_core(priv); 2300 mlx5e_del_all_vlan_rules(priv); 2301 if_link_state_change(priv->ifp, LINK_STATE_DOWN); 2302 mlx5e_close_flow_table(priv); 2303 mlx5e_close_tirs(priv); 2304 mlx5e_close_rqt(priv); 2305 mlx5e_close_channels(priv); 2306 mlx5_vport_dealloc_q_counter(priv->mdev, priv->counter_set_id); 2307 mlx5e_close_tises(priv); 2308 2309 return (0); 2310 } 2311 2312 #if (__FreeBSD_version >= 1100000) 2313 static uint64_t 2314 mlx5e_get_counter(struct ifnet *ifp, ift_counter cnt) 2315 { 2316 struct mlx5e_priv *priv = ifp->if_softc; 2317 u64 retval; 2318 2319 /* PRIV_LOCK(priv); XXX not allowed */ 2320 switch (cnt) { 2321 case IFCOUNTER_IPACKETS: 2322 retval = priv->stats.vport.rx_packets; 2323 break; 2324 case IFCOUNTER_IERRORS: 2325 retval = priv->stats.vport.rx_error_packets; 2326 break; 2327 case IFCOUNTER_IQDROPS: 2328 retval = priv->stats.vport.rx_out_of_buffer; 2329 break; 2330 case IFCOUNTER_OPACKETS: 2331 retval = priv->stats.vport.tx_packets; 2332 break; 2333 case IFCOUNTER_OERRORS: 2334 retval = priv->stats.vport.tx_error_packets; 2335 break; 2336 case IFCOUNTER_IBYTES: 2337 retval = priv->stats.vport.rx_bytes; 2338 break; 2339 case IFCOUNTER_OBYTES: 2340 retval = priv->stats.vport.tx_bytes; 2341 break; 2342 case IFCOUNTER_IMCASTS: 2343 retval = priv->stats.vport.rx_multicast_packets; 2344 break; 2345 case IFCOUNTER_OMCASTS: 2346 retval = priv->stats.vport.tx_multicast_packets; 2347 break; 2348 case IFCOUNTER_OQDROPS: 2349 retval = priv->stats.vport.tx_queue_dropped; 2350 break; 2351 default: 2352 retval = if_get_counter_default(ifp, cnt); 2353 break; 2354 } 2355 /* PRIV_UNLOCK(priv); XXX not allowed */ 2356 return (retval); 2357 } 2358 #endif 2359 2360 static void 2361 mlx5e_set_rx_mode(struct ifnet *ifp) 2362 { 2363 struct mlx5e_priv *priv = ifp->if_softc; 2364 2365 schedule_work(&priv->set_rx_mode_work); 2366 } 2367 2368 static int 2369 mlx5e_ioctl(struct ifnet *ifp, u_long command, caddr_t data) 2370 { 2371 struct mlx5e_priv *priv; 2372 struct ifreq *ifr; 2373 struct ifi2creq i2c; 2374 int error = 0; 2375 int mask = 0; 2376 int size_read = 0; 2377 int module_num; 2378 int max_mtu; 2379 uint8_t read_addr; 2380 2381 priv = ifp->if_softc; 2382 2383 /* check if detaching */ 2384 if (priv == NULL || priv->gone != 0) 2385 return (ENXIO); 2386 2387 switch (command) { 2388 case SIOCSIFMTU: 2389 ifr = (struct ifreq *)data; 2390 2391 PRIV_LOCK(priv); 2392 mlx5_query_port_max_mtu(priv->mdev, &max_mtu); 2393 2394 if (ifr->ifr_mtu >= MLX5E_MTU_MIN && 2395 ifr->ifr_mtu <= MIN(MLX5E_MTU_MAX, max_mtu)) { 2396 int was_opened; 2397 2398 was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); 2399 if (was_opened) 2400 mlx5e_close_locked(ifp); 2401 2402 /* set new MTU */ 2403 mlx5e_set_dev_port_mtu(ifp, ifr->ifr_mtu); 2404 2405 if (was_opened) 2406 mlx5e_open_locked(ifp); 2407 } else { 2408 error = EINVAL; 2409 if_printf(ifp, "Invalid MTU value. Min val: %d, Max val: %d\n", 2410 MLX5E_MTU_MIN, MIN(MLX5E_MTU_MAX, max_mtu)); 2411 } 2412 PRIV_UNLOCK(priv); 2413 break; 2414 case SIOCSIFFLAGS: 2415 if ((ifp->if_flags & IFF_UP) && 2416 (ifp->if_drv_flags & IFF_DRV_RUNNING)) { 2417 mlx5e_set_rx_mode(ifp); 2418 break; 2419 } 2420 PRIV_LOCK(priv); 2421 if (ifp->if_flags & IFF_UP) { 2422 if ((ifp->if_drv_flags & IFF_DRV_RUNNING) == 0) { 2423 if (test_bit(MLX5E_STATE_OPENED, &priv->state) == 0) 2424 mlx5e_open_locked(ifp); 2425 ifp->if_drv_flags |= IFF_DRV_RUNNING; 2426 mlx5_set_port_status(priv->mdev, MLX5_PORT_UP); 2427 } 2428 } else { 2429 if (ifp->if_drv_flags & IFF_DRV_RUNNING) { 2430 mlx5_set_port_status(priv->mdev, 2431 MLX5_PORT_DOWN); 2432 if (test_bit(MLX5E_STATE_OPENED, &priv->state) != 0) 2433 mlx5e_close_locked(ifp); 2434 mlx5e_update_carrier(priv); 2435 ifp->if_drv_flags &= ~IFF_DRV_RUNNING; 2436 } 2437 } 2438 PRIV_UNLOCK(priv); 2439 break; 2440 case SIOCADDMULTI: 2441 case SIOCDELMULTI: 2442 mlx5e_set_rx_mode(ifp); 2443 break; 2444 case SIOCSIFMEDIA: 2445 case SIOCGIFMEDIA: 2446 case SIOCGIFXMEDIA: 2447 ifr = (struct ifreq *)data; 2448 error = ifmedia_ioctl(ifp, ifr, &priv->media, command); 2449 break; 2450 case SIOCSIFCAP: 2451 ifr = (struct ifreq *)data; 2452 PRIV_LOCK(priv); 2453 mask = ifr->ifr_reqcap ^ ifp->if_capenable; 2454 2455 if (mask & IFCAP_TXCSUM) { 2456 ifp->if_capenable ^= IFCAP_TXCSUM; 2457 ifp->if_hwassist ^= (CSUM_TCP | CSUM_UDP | CSUM_IP); 2458 2459 if (IFCAP_TSO4 & ifp->if_capenable && 2460 !(IFCAP_TXCSUM & ifp->if_capenable)) { 2461 ifp->if_capenable &= ~IFCAP_TSO4; 2462 ifp->if_hwassist &= ~CSUM_IP_TSO; 2463 if_printf(ifp, 2464 "tso4 disabled due to -txcsum.\n"); 2465 } 2466 } 2467 if (mask & IFCAP_TXCSUM_IPV6) { 2468 ifp->if_capenable ^= IFCAP_TXCSUM_IPV6; 2469 ifp->if_hwassist ^= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); 2470 2471 if (IFCAP_TSO6 & ifp->if_capenable && 2472 !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) { 2473 ifp->if_capenable &= ~IFCAP_TSO6; 2474 ifp->if_hwassist &= ~CSUM_IP6_TSO; 2475 if_printf(ifp, 2476 "tso6 disabled due to -txcsum6.\n"); 2477 } 2478 } 2479 if (mask & IFCAP_RXCSUM) 2480 ifp->if_capenable ^= IFCAP_RXCSUM; 2481 if (mask & IFCAP_RXCSUM_IPV6) 2482 ifp->if_capenable ^= IFCAP_RXCSUM_IPV6; 2483 if (mask & IFCAP_TSO4) { 2484 if (!(IFCAP_TSO4 & ifp->if_capenable) && 2485 !(IFCAP_TXCSUM & ifp->if_capenable)) { 2486 if_printf(ifp, "enable txcsum first.\n"); 2487 error = EAGAIN; 2488 goto out; 2489 } 2490 ifp->if_capenable ^= IFCAP_TSO4; 2491 ifp->if_hwassist ^= CSUM_IP_TSO; 2492 } 2493 if (mask & IFCAP_TSO6) { 2494 if (!(IFCAP_TSO6 & ifp->if_capenable) && 2495 !(IFCAP_TXCSUM_IPV6 & ifp->if_capenable)) { 2496 if_printf(ifp, "enable txcsum6 first.\n"); 2497 error = EAGAIN; 2498 goto out; 2499 } 2500 ifp->if_capenable ^= IFCAP_TSO6; 2501 ifp->if_hwassist ^= CSUM_IP6_TSO; 2502 } 2503 if (mask & IFCAP_VLAN_HWFILTER) { 2504 if (ifp->if_capenable & IFCAP_VLAN_HWFILTER) 2505 mlx5e_disable_vlan_filter(priv); 2506 else 2507 mlx5e_enable_vlan_filter(priv); 2508 2509 ifp->if_capenable ^= IFCAP_VLAN_HWFILTER; 2510 } 2511 if (mask & IFCAP_VLAN_HWTAGGING) 2512 ifp->if_capenable ^= IFCAP_VLAN_HWTAGGING; 2513 if (mask & IFCAP_WOL_MAGIC) 2514 ifp->if_capenable ^= IFCAP_WOL_MAGIC; 2515 2516 VLAN_CAPABILITIES(ifp); 2517 /* turn off LRO means also turn of HW LRO - if it's on */ 2518 if (mask & IFCAP_LRO) { 2519 int was_opened = test_bit(MLX5E_STATE_OPENED, &priv->state); 2520 bool need_restart = false; 2521 2522 ifp->if_capenable ^= IFCAP_LRO; 2523 if (!(ifp->if_capenable & IFCAP_LRO)) { 2524 if (priv->params.hw_lro_en) { 2525 priv->params.hw_lro_en = false; 2526 need_restart = true; 2527 /* Not sure this is the correct way */ 2528 priv->params_ethtool.hw_lro = priv->params.hw_lro_en; 2529 } 2530 } 2531 if (was_opened && need_restart) { 2532 mlx5e_close_locked(ifp); 2533 mlx5e_open_locked(ifp); 2534 } 2535 } 2536 out: 2537 PRIV_UNLOCK(priv); 2538 break; 2539 2540 case SIOCGI2C: 2541 ifr = (struct ifreq *)data; 2542 2543 /* 2544 * Copy from the user-space address ifr_data to the 2545 * kernel-space address i2c 2546 */ 2547 error = copyin(ifr->ifr_data, &i2c, sizeof(i2c)); 2548 if (error) 2549 break; 2550 2551 if (i2c.len > sizeof(i2c.data)) { 2552 error = EINVAL; 2553 break; 2554 } 2555 2556 PRIV_LOCK(priv); 2557 /* Get module_num which is required for the query_eeprom */ 2558 error = mlx5_query_module_num(priv->mdev, &module_num); 2559 if (error) { 2560 if_printf(ifp, "Query module num failed, eeprom " 2561 "reading is not supported\n"); 2562 goto err_i2c; 2563 } 2564 2565 /* 2566 * Currently 0XA0 and 0xA2 are the only addresses permitted. 2567 * The internal conversion is as follows: 2568 */ 2569 if (i2c.dev_addr == 0xA0) 2570 read_addr = MLX5E_I2C_ADDR_LOW; 2571 else if (i2c.dev_addr == 0xA2) 2572 read_addr = MLX5E_I2C_ADDR_HIGH; 2573 else { 2574 if_printf(ifp, "Query eeprom failed, " 2575 "Invalid Address: %X\n", i2c.dev_addr); 2576 error = EINVAL; 2577 goto err_i2c; 2578 } 2579 error = mlx5_query_eeprom(priv->mdev, 2580 read_addr, MLX5E_EEPROM_LOW_PAGE, 2581 (uint32_t)i2c.offset, (uint32_t)i2c.len, module_num, 2582 (uint32_t *)i2c.data, &size_read); 2583 if (error) { 2584 if_printf(ifp, "Query eeprom failed, eeprom " 2585 "reading is not supported\n"); 2586 goto err_i2c; 2587 } 2588 2589 if (i2c.len > MLX5_EEPROM_MAX_BYTES) { 2590 error = mlx5_query_eeprom(priv->mdev, 2591 read_addr, MLX5E_EEPROM_LOW_PAGE, 2592 (uint32_t)(i2c.offset + size_read), 2593 (uint32_t)(i2c.len - size_read), module_num, 2594 (uint32_t *)(i2c.data + size_read), &size_read); 2595 } 2596 if (error) { 2597 if_printf(ifp, "Query eeprom failed, eeprom " 2598 "reading is not supported\n"); 2599 goto err_i2c; 2600 } 2601 2602 error = copyout(&i2c, ifr->ifr_data, sizeof(i2c)); 2603 err_i2c: 2604 PRIV_UNLOCK(priv); 2605 break; 2606 2607 default: 2608 error = ether_ioctl(ifp, command, data); 2609 break; 2610 } 2611 return (error); 2612 } 2613 2614 static int 2615 mlx5e_check_required_hca_cap(struct mlx5_core_dev *mdev) 2616 { 2617 /* 2618 * TODO: uncoment once FW really sets all these bits if 2619 * (!mdev->caps.eth.rss_ind_tbl_cap || !mdev->caps.eth.csum_cap || 2620 * !mdev->caps.eth.max_lso_cap || !mdev->caps.eth.vlan_cap || 2621 * !(mdev->caps.gen.flags & MLX5_DEV_CAP_FLAG_SCQE_BRK_MOD)) return 2622 * -ENOTSUPP; 2623 */ 2624 2625 /* TODO: add more must-to-have features */ 2626 2627 return (0); 2628 } 2629 2630 static void 2631 mlx5e_build_ifp_priv(struct mlx5_core_dev *mdev, 2632 struct mlx5e_priv *priv, 2633 int num_comp_vectors) 2634 { 2635 /* 2636 * TODO: Consider link speed for setting "log_sq_size", 2637 * "log_rq_size" and "cq_moderation_xxx": 2638 */ 2639 priv->params.log_sq_size = 2640 MLX5E_PARAMS_DEFAULT_LOG_SQ_SIZE; 2641 priv->params.log_rq_size = 2642 MLX5E_PARAMS_DEFAULT_LOG_RQ_SIZE; 2643 priv->params.rx_cq_moderation_usec = 2644 MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ? 2645 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC_FROM_CQE : 2646 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_USEC; 2647 priv->params.rx_cq_moderation_mode = 2648 MLX5_CAP_GEN(mdev, cq_period_start_from_cqe) ? 1 : 0; 2649 priv->params.rx_cq_moderation_pkts = 2650 MLX5E_PARAMS_DEFAULT_RX_CQ_MODERATION_PKTS; 2651 priv->params.tx_cq_moderation_usec = 2652 MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_USEC; 2653 priv->params.tx_cq_moderation_pkts = 2654 MLX5E_PARAMS_DEFAULT_TX_CQ_MODERATION_PKTS; 2655 priv->params.min_rx_wqes = 2656 MLX5E_PARAMS_DEFAULT_MIN_RX_WQES; 2657 priv->params.rx_hash_log_tbl_sz = 2658 (order_base_2(num_comp_vectors) > 2659 MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ) ? 2660 order_base_2(num_comp_vectors) : 2661 MLX5E_PARAMS_DEFAULT_RX_HASH_LOG_TBL_SZ; 2662 priv->params.num_tc = 1; 2663 priv->params.default_vlan_prio = 0; 2664 priv->counter_set_id = -1; 2665 2666 /* 2667 * hw lro is currently defaulted to off. when it won't anymore we 2668 * will consider the HW capability: "!!MLX5_CAP_ETH(mdev, lro_cap)" 2669 */ 2670 priv->params.hw_lro_en = false; 2671 priv->params.lro_wqe_sz = MLX5E_PARAMS_DEFAULT_LRO_WQE_SZ; 2672 2673 priv->params.cqe_zipping_en = !!MLX5_CAP_GEN(mdev, cqe_compression); 2674 2675 priv->mdev = mdev; 2676 priv->params.num_channels = num_comp_vectors; 2677 priv->order_base_2_num_channels = order_base_2(num_comp_vectors); 2678 priv->queue_mapping_channel_mask = 2679 roundup_pow_of_two(num_comp_vectors) - 1; 2680 priv->num_tc = priv->params.num_tc; 2681 priv->default_vlan_prio = priv->params.default_vlan_prio; 2682 2683 INIT_WORK(&priv->update_stats_work, mlx5e_update_stats_work); 2684 INIT_WORK(&priv->update_carrier_work, mlx5e_update_carrier_work); 2685 INIT_WORK(&priv->set_rx_mode_work, mlx5e_set_rx_mode_work); 2686 } 2687 2688 static int 2689 mlx5e_create_mkey(struct mlx5e_priv *priv, u32 pdn, 2690 struct mlx5_core_mr *mr) 2691 { 2692 struct ifnet *ifp = priv->ifp; 2693 struct mlx5_core_dev *mdev = priv->mdev; 2694 struct mlx5_create_mkey_mbox_in *in; 2695 int err; 2696 2697 in = mlx5_vzalloc(sizeof(*in)); 2698 if (in == NULL) { 2699 if_printf(ifp, "%s: failed to allocate inbox\n", __func__); 2700 return (-ENOMEM); 2701 } 2702 in->seg.flags = MLX5_PERM_LOCAL_WRITE | 2703 MLX5_PERM_LOCAL_READ | 2704 MLX5_ACCESS_MODE_PA; 2705 in->seg.flags_pd = cpu_to_be32(pdn | MLX5_MKEY_LEN64); 2706 in->seg.qpn_mkey7_0 = cpu_to_be32(0xffffff << 8); 2707 2708 err = mlx5_core_create_mkey(mdev, mr, in, sizeof(*in), NULL, NULL, 2709 NULL); 2710 if (err) 2711 if_printf(ifp, "%s: mlx5_core_create_mkey failed, %d\n", 2712 __func__, err); 2713 2714 kvfree(in); 2715 2716 return (err); 2717 } 2718 2719 static const char *mlx5e_vport_stats_desc[] = { 2720 MLX5E_VPORT_STATS(MLX5E_STATS_DESC) 2721 }; 2722 2723 static const char *mlx5e_pport_stats_desc[] = { 2724 MLX5E_PPORT_STATS(MLX5E_STATS_DESC) 2725 }; 2726 2727 static void 2728 mlx5e_priv_mtx_init(struct mlx5e_priv *priv) 2729 { 2730 mtx_init(&priv->async_events_mtx, "mlx5async", MTX_NETWORK_LOCK, MTX_DEF); 2731 sx_init(&priv->state_lock, "mlx5state"); 2732 callout_init_mtx(&priv->watchdog, &priv->async_events_mtx, 0); 2733 } 2734 2735 static void 2736 mlx5e_priv_mtx_destroy(struct mlx5e_priv *priv) 2737 { 2738 mtx_destroy(&priv->async_events_mtx); 2739 sx_destroy(&priv->state_lock); 2740 } 2741 2742 static int 2743 sysctl_firmware(SYSCTL_HANDLER_ARGS) 2744 { 2745 /* 2746 * %d.%d%.d the string format. 2747 * fw_rev_{maj,min,sub} return u16, 2^16 = 65536. 2748 * We need at most 5 chars to store that. 2749 * It also has: two "." and NULL at the end, which means we need 18 2750 * (5*3 + 3) chars at most. 2751 */ 2752 char fw[18]; 2753 struct mlx5e_priv *priv = arg1; 2754 int error; 2755 2756 snprintf(fw, sizeof(fw), "%d.%d.%d", fw_rev_maj(priv->mdev), fw_rev_min(priv->mdev), 2757 fw_rev_sub(priv->mdev)); 2758 error = sysctl_handle_string(oidp, fw, sizeof(fw), req); 2759 return (error); 2760 } 2761 2762 static void 2763 mlx5e_add_hw_stats(struct mlx5e_priv *priv) 2764 { 2765 SYSCTL_ADD_PROC(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_hw), 2766 OID_AUTO, "fw_version", CTLTYPE_STRING | CTLFLAG_RD, priv, 0, 2767 sysctl_firmware, "A", "HCA firmware version"); 2768 2769 SYSCTL_ADD_STRING(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_hw), 2770 OID_AUTO, "board_id", CTLFLAG_RD, priv->mdev->board_id, 0, 2771 "Board ID"); 2772 } 2773 2774 static void 2775 mlx5e_setup_pauseframes(struct mlx5e_priv *priv) 2776 { 2777 #if (__FreeBSD_version < 1100000) 2778 char path[64]; 2779 2780 #endif 2781 /* Only receiving pauseframes is enabled by default */ 2782 priv->params.tx_pauseframe_control = 0; 2783 priv->params.rx_pauseframe_control = 1; 2784 2785 #if (__FreeBSD_version < 1100000) 2786 /* compute path for sysctl */ 2787 snprintf(path, sizeof(path), "dev.mce.%d.tx_pauseframe_control", 2788 device_get_unit(priv->mdev->pdev->dev.bsddev)); 2789 2790 /* try to fetch tunable, if any */ 2791 TUNABLE_INT_FETCH(path, &priv->params.tx_pauseframe_control); 2792 2793 /* compute path for sysctl */ 2794 snprintf(path, sizeof(path), "dev.mce.%d.rx_pauseframe_control", 2795 device_get_unit(priv->mdev->pdev->dev.bsddev)); 2796 2797 /* try to fetch tunable, if any */ 2798 TUNABLE_INT_FETCH(path, &priv->params.rx_pauseframe_control); 2799 #endif 2800 2801 /* register pausframe SYSCTLs */ 2802 SYSCTL_ADD_INT(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 2803 OID_AUTO, "tx_pauseframe_control", CTLFLAG_RDTUN, 2804 &priv->params.tx_pauseframe_control, 0, 2805 "Set to enable TX pause frames. Clear to disable."); 2806 2807 SYSCTL_ADD_INT(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 2808 OID_AUTO, "rx_pauseframe_control", CTLFLAG_RDTUN, 2809 &priv->params.rx_pauseframe_control, 0, 2810 "Set to enable RX pause frames. Clear to disable."); 2811 2812 /* range check */ 2813 priv->params.tx_pauseframe_control = 2814 priv->params.tx_pauseframe_control ? 1 : 0; 2815 priv->params.rx_pauseframe_control = 2816 priv->params.rx_pauseframe_control ? 1 : 0; 2817 2818 /* update firmware */ 2819 mlx5_set_port_pause(priv->mdev, 1, 2820 priv->params.rx_pauseframe_control, 2821 priv->params.tx_pauseframe_control); 2822 } 2823 2824 static void * 2825 mlx5e_create_ifp(struct mlx5_core_dev *mdev) 2826 { 2827 static volatile int mlx5_en_unit; 2828 struct ifnet *ifp; 2829 struct mlx5e_priv *priv; 2830 u8 dev_addr[ETHER_ADDR_LEN] __aligned(4); 2831 struct sysctl_oid_list *child; 2832 int ncv = mdev->priv.eq_table.num_comp_vectors; 2833 char unit[16]; 2834 int err; 2835 int i; 2836 u32 eth_proto_cap; 2837 2838 if (mlx5e_check_required_hca_cap(mdev)) { 2839 mlx5_core_dbg(mdev, "mlx5e_check_required_hca_cap() failed\n"); 2840 return (NULL); 2841 } 2842 priv = malloc(sizeof(*priv), M_MLX5EN, M_WAITOK | M_ZERO); 2843 if (priv == NULL) { 2844 mlx5_core_err(mdev, "malloc() failed\n"); 2845 return (NULL); 2846 } 2847 mlx5e_priv_mtx_init(priv); 2848 2849 ifp = priv->ifp = if_alloc(IFT_ETHER); 2850 if (ifp == NULL) { 2851 mlx5_core_err(mdev, "if_alloc() failed\n"); 2852 goto err_free_priv; 2853 } 2854 ifp->if_softc = priv; 2855 if_initname(ifp, "mce", atomic_fetchadd_int(&mlx5_en_unit, 1)); 2856 ifp->if_mtu = ETHERMTU; 2857 ifp->if_init = mlx5e_open; 2858 ifp->if_flags = IFF_BROADCAST | IFF_SIMPLEX | IFF_MULTICAST; 2859 ifp->if_ioctl = mlx5e_ioctl; 2860 ifp->if_transmit = mlx5e_xmit; 2861 ifp->if_qflush = if_qflush; 2862 #if (__FreeBSD_version >= 1100000) 2863 ifp->if_get_counter = mlx5e_get_counter; 2864 #endif 2865 ifp->if_snd.ifq_maxlen = ifqmaxlen; 2866 /* 2867 * Set driver features 2868 */ 2869 ifp->if_capabilities |= IFCAP_HWCSUM | IFCAP_HWCSUM_IPV6; 2870 ifp->if_capabilities |= IFCAP_VLAN_MTU | IFCAP_VLAN_HWTAGGING; 2871 ifp->if_capabilities |= IFCAP_VLAN_HWCSUM | IFCAP_VLAN_HWFILTER; 2872 ifp->if_capabilities |= IFCAP_LINKSTATE | IFCAP_JUMBO_MTU; 2873 ifp->if_capabilities |= IFCAP_LRO; 2874 ifp->if_capabilities |= IFCAP_TSO | IFCAP_VLAN_HWTSO; 2875 2876 /* set TSO limits so that we don't have to drop TX packets */ 2877 ifp->if_hw_tsomax = MLX5E_MAX_TX_PAYLOAD_SIZE - (ETHER_HDR_LEN + ETHER_VLAN_ENCAP_LEN); 2878 ifp->if_hw_tsomaxsegcount = MLX5E_MAX_TX_MBUF_FRAGS - 1 /* hdr */; 2879 ifp->if_hw_tsomaxsegsize = MLX5E_MAX_TX_MBUF_SIZE; 2880 2881 ifp->if_capenable = ifp->if_capabilities; 2882 ifp->if_hwassist = 0; 2883 if (ifp->if_capenable & IFCAP_TSO) 2884 ifp->if_hwassist |= CSUM_TSO; 2885 if (ifp->if_capenable & IFCAP_TXCSUM) 2886 ifp->if_hwassist |= (CSUM_TCP | CSUM_UDP | CSUM_IP); 2887 if (ifp->if_capenable & IFCAP_TXCSUM_IPV6) 2888 ifp->if_hwassist |= (CSUM_UDP_IPV6 | CSUM_TCP_IPV6); 2889 2890 /* ifnet sysctl tree */ 2891 sysctl_ctx_init(&priv->sysctl_ctx); 2892 priv->sysctl_ifnet = SYSCTL_ADD_NODE(&priv->sysctl_ctx, SYSCTL_STATIC_CHILDREN(_dev), 2893 OID_AUTO, ifp->if_dname, CTLFLAG_RD, 0, "MLX5 ethernet - interface name"); 2894 if (priv->sysctl_ifnet == NULL) { 2895 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n"); 2896 goto err_free_sysctl; 2897 } 2898 snprintf(unit, sizeof(unit), "%d", ifp->if_dunit); 2899 priv->sysctl_ifnet = SYSCTL_ADD_NODE(&priv->sysctl_ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 2900 OID_AUTO, unit, CTLFLAG_RD, 0, "MLX5 ethernet - interface unit"); 2901 if (priv->sysctl_ifnet == NULL) { 2902 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n"); 2903 goto err_free_sysctl; 2904 } 2905 2906 /* HW sysctl tree */ 2907 child = SYSCTL_CHILDREN(device_get_sysctl_tree(mdev->pdev->dev.bsddev)); 2908 priv->sysctl_hw = SYSCTL_ADD_NODE(&priv->sysctl_ctx, child, 2909 OID_AUTO, "hw", CTLFLAG_RD, 0, "MLX5 ethernet dev hw"); 2910 if (priv->sysctl_hw == NULL) { 2911 mlx5_core_err(mdev, "SYSCTL_ADD_NODE() failed\n"); 2912 goto err_free_sysctl; 2913 } 2914 mlx5e_build_ifp_priv(mdev, priv, ncv); 2915 err = mlx5_alloc_map_uar(mdev, &priv->cq_uar); 2916 if (err) { 2917 if_printf(ifp, "%s: mlx5_alloc_map_uar failed, %d\n", 2918 __func__, err); 2919 goto err_free_sysctl; 2920 } 2921 err = mlx5_core_alloc_pd(mdev, &priv->pdn); 2922 if (err) { 2923 if_printf(ifp, "%s: mlx5_core_alloc_pd failed, %d\n", 2924 __func__, err); 2925 goto err_unmap_free_uar; 2926 } 2927 err = mlx5_alloc_transport_domain(mdev, &priv->tdn); 2928 if (err) { 2929 if_printf(ifp, "%s: mlx5_alloc_transport_domain failed, %d\n", 2930 __func__, err); 2931 goto err_dealloc_pd; 2932 } 2933 err = mlx5e_create_mkey(priv, priv->pdn, &priv->mr); 2934 if (err) { 2935 if_printf(ifp, "%s: mlx5e_create_mkey failed, %d\n", 2936 __func__, err); 2937 goto err_dealloc_transport_domain; 2938 } 2939 mlx5_query_nic_vport_mac_address(priv->mdev, 0, dev_addr); 2940 2941 /* set default MTU */ 2942 mlx5e_set_dev_port_mtu(ifp, ifp->if_mtu); 2943 2944 /* Set desc */ 2945 device_set_desc(mdev->pdev->dev.bsddev, mlx5e_version); 2946 2947 /* Set default media status */ 2948 priv->media_status_last = IFM_AVALID; 2949 priv->media_active_last = IFM_ETHER | IFM_AUTO | 2950 IFM_ETH_RXPAUSE | IFM_FDX; 2951 2952 /* setup default pauseframes configuration */ 2953 mlx5e_setup_pauseframes(priv); 2954 2955 err = mlx5_query_port_proto_cap(mdev, ð_proto_cap, MLX5_PTYS_EN); 2956 if (err) { 2957 eth_proto_cap = 0; 2958 if_printf(ifp, "%s: Query port media capability failed, %d\n", 2959 __func__, err); 2960 } 2961 2962 /* Setup supported medias */ 2963 ifmedia_init(&priv->media, IFM_IMASK | IFM_ETH_FMASK, 2964 mlx5e_media_change, mlx5e_media_status); 2965 2966 for (i = 0; i < MLX5E_LINK_MODES_NUMBER; ++i) { 2967 if (mlx5e_mode_table[i].baudrate == 0) 2968 continue; 2969 if (MLX5E_PROT_MASK(i) & eth_proto_cap) { 2970 ifmedia_add(&priv->media, 2971 mlx5e_mode_table[i].subtype | 2972 IFM_ETHER, 0, NULL); 2973 ifmedia_add(&priv->media, 2974 mlx5e_mode_table[i].subtype | 2975 IFM_ETHER | IFM_FDX | 2976 IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE, 0, NULL); 2977 } 2978 } 2979 2980 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO, 0, NULL); 2981 ifmedia_add(&priv->media, IFM_ETHER | IFM_AUTO | IFM_FDX | 2982 IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE, 0, NULL); 2983 2984 /* Set autoselect by default */ 2985 ifmedia_set(&priv->media, IFM_ETHER | IFM_AUTO | IFM_FDX | 2986 IFM_ETH_RXPAUSE | IFM_ETH_TXPAUSE); 2987 ether_ifattach(ifp, dev_addr); 2988 2989 /* Register for VLAN events */ 2990 priv->vlan_attach = EVENTHANDLER_REGISTER(vlan_config, 2991 mlx5e_vlan_rx_add_vid, priv, EVENTHANDLER_PRI_FIRST); 2992 priv->vlan_detach = EVENTHANDLER_REGISTER(vlan_unconfig, 2993 mlx5e_vlan_rx_kill_vid, priv, EVENTHANDLER_PRI_FIRST); 2994 2995 /* Link is down by default */ 2996 if_link_state_change(ifp, LINK_STATE_DOWN); 2997 2998 mlx5e_enable_async_events(priv); 2999 3000 mlx5e_add_hw_stats(priv); 3001 3002 mlx5e_create_stats(&priv->stats.vport.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 3003 "vstats", mlx5e_vport_stats_desc, MLX5E_VPORT_STATS_NUM, 3004 priv->stats.vport.arg); 3005 3006 mlx5e_create_stats(&priv->stats.pport.ctx, SYSCTL_CHILDREN(priv->sysctl_ifnet), 3007 "pstats", mlx5e_pport_stats_desc, MLX5E_PPORT_STATS_NUM, 3008 priv->stats.pport.arg); 3009 3010 mlx5e_create_ethtool(priv); 3011 3012 mtx_lock(&priv->async_events_mtx); 3013 mlx5e_update_stats(priv); 3014 mtx_unlock(&priv->async_events_mtx); 3015 3016 return (priv); 3017 3018 err_dealloc_transport_domain: 3019 mlx5_dealloc_transport_domain(mdev, priv->tdn); 3020 3021 err_dealloc_pd: 3022 mlx5_core_dealloc_pd(mdev, priv->pdn); 3023 3024 err_unmap_free_uar: 3025 mlx5_unmap_free_uar(mdev, &priv->cq_uar); 3026 3027 err_free_sysctl: 3028 sysctl_ctx_free(&priv->sysctl_ctx); 3029 3030 if_free(ifp); 3031 3032 err_free_priv: 3033 mlx5e_priv_mtx_destroy(priv); 3034 free(priv, M_MLX5EN); 3035 return (NULL); 3036 } 3037 3038 static void 3039 mlx5e_destroy_ifp(struct mlx5_core_dev *mdev, void *vpriv) 3040 { 3041 struct mlx5e_priv *priv = vpriv; 3042 struct ifnet *ifp = priv->ifp; 3043 3044 /* don't allow more IOCTLs */ 3045 priv->gone = 1; 3046 3047 /* XXX wait a bit to allow IOCTL handlers to complete */ 3048 pause("W", hz); 3049 3050 /* stop watchdog timer */ 3051 callout_drain(&priv->watchdog); 3052 3053 if (priv->vlan_attach != NULL) 3054 EVENTHANDLER_DEREGISTER(vlan_config, priv->vlan_attach); 3055 if (priv->vlan_detach != NULL) 3056 EVENTHANDLER_DEREGISTER(vlan_unconfig, priv->vlan_detach); 3057 3058 /* make sure device gets closed */ 3059 PRIV_LOCK(priv); 3060 mlx5e_close_locked(ifp); 3061 PRIV_UNLOCK(priv); 3062 3063 /* unregister device */ 3064 ifmedia_removeall(&priv->media); 3065 ether_ifdetach(ifp); 3066 if_free(ifp); 3067 3068 /* destroy all remaining sysctl nodes */ 3069 if (priv->sysctl_debug) 3070 sysctl_ctx_free(&priv->stats.port_stats_debug.ctx); 3071 sysctl_ctx_free(&priv->stats.vport.ctx); 3072 sysctl_ctx_free(&priv->stats.pport.ctx); 3073 sysctl_ctx_free(&priv->sysctl_ctx); 3074 3075 mlx5_core_destroy_mkey(priv->mdev, &priv->mr); 3076 mlx5_dealloc_transport_domain(priv->mdev, priv->tdn); 3077 mlx5_core_dealloc_pd(priv->mdev, priv->pdn); 3078 mlx5_unmap_free_uar(priv->mdev, &priv->cq_uar); 3079 mlx5e_disable_async_events(priv); 3080 flush_scheduled_work(); 3081 mlx5e_priv_mtx_destroy(priv); 3082 free(priv, M_MLX5EN); 3083 } 3084 3085 static void * 3086 mlx5e_get_ifp(void *vpriv) 3087 { 3088 struct mlx5e_priv *priv = vpriv; 3089 3090 return (priv->ifp); 3091 } 3092 3093 static struct mlx5_interface mlx5e_interface = { 3094 .add = mlx5e_create_ifp, 3095 .remove = mlx5e_destroy_ifp, 3096 .event = mlx5e_async_event, 3097 .protocol = MLX5_INTERFACE_PROTOCOL_ETH, 3098 .get_dev = mlx5e_get_ifp, 3099 }; 3100 3101 void 3102 mlx5e_init(void) 3103 { 3104 mlx5_register_interface(&mlx5e_interface); 3105 } 3106 3107 void 3108 mlx5e_cleanup(void) 3109 { 3110 mlx5_unregister_interface(&mlx5e_interface); 3111 } 3112 3113 module_init_order(mlx5e_init, SI_ORDER_THIRD); 3114 module_exit_order(mlx5e_cleanup, SI_ORDER_THIRD); 3115 3116 #if (__FreeBSD_version >= 1100000) 3117 MODULE_DEPEND(mlx5en, linuxkpi, 1, 1, 1); 3118 #endif 3119 MODULE_DEPEND(mlx5en, mlx5, 1, 1, 1); 3120 MODULE_VERSION(mlx5en, 1); 3121