1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) Broadcom Limited. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Broadcom Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <inttypes.h> 35 36 #include <rte_malloc.h> 37 38 #include "bnxt.h" 39 #include "bnxt_cpr.h" 40 #include "bnxt_filter.h" 41 #include "bnxt_hwrm.h" 42 #include "bnxt_ring.h" 43 #include "bnxt_rxq.h" 44 #include "bnxt_rxr.h" 45 #include "bnxt_vnic.h" 46 #include "hsi_struct_def_dpdk.h" 47 48 /* 49 * RX Queues 50 */ 51 52 void bnxt_free_rxq_stats(struct bnxt_rx_queue *rxq) 53 { 54 struct bnxt_cp_ring_info *cpr = rxq->cp_ring; 55 56 if (cpr->hw_stats) 57 cpr->hw_stats = NULL; 58 } 59 60 int bnxt_mq_rx_configure(struct bnxt *bp) 61 { 62 struct rte_eth_conf *dev_conf = &bp->eth_dev->data->dev_conf; 63 const struct rte_eth_vmdq_rx_conf *conf = 64 &dev_conf->rx_adv_conf.vmdq_rx_conf; 65 unsigned int i, j, nb_q_per_grp = 1, ring_idx = 0; 66 int start_grp_id, end_grp_id = 1, rc = 0; 67 struct bnxt_vnic_info *vnic; 68 struct bnxt_filter_info *filter; 69 enum rte_eth_nb_pools pools = bp->rx_cp_nr_rings, max_pools = 0; 70 struct bnxt_rx_queue *rxq; 71 72 bp->nr_vnics = 0; 73 74 /* Single queue mode */ 75 if (bp->rx_cp_nr_rings < 2) { 76 vnic = bnxt_alloc_vnic(bp); 77 if (!vnic) { 78 RTE_LOG(ERR, PMD, "VNIC alloc failed\n"); 79 rc = -ENOMEM; 80 goto err_out; 81 } 82 vnic->flags |= BNXT_VNIC_INFO_BCAST; 83 STAILQ_INSERT_TAIL(&bp->ff_pool[0], vnic, next); 84 bp->nr_vnics++; 85 86 rxq = bp->eth_dev->data->rx_queues[0]; 87 rxq->vnic = vnic; 88 89 vnic->func_default = true; 90 vnic->ff_pool_idx = 0; 91 vnic->start_grp_id = 0; 92 vnic->end_grp_id = vnic->start_grp_id; 93 filter = bnxt_alloc_filter(bp); 94 if (!filter) { 95 RTE_LOG(ERR, PMD, "L2 filter alloc failed\n"); 96 rc = -ENOMEM; 97 goto err_out; 98 } 99 STAILQ_INSERT_TAIL(&vnic->filter, filter, next); 100 goto out; 101 } 102 103 /* Multi-queue mode */ 104 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB_RSS) { 105 /* VMDq ONLY, VMDq+RSS, VMDq+DCB, VMDq+DCB+RSS */ 106 107 switch (dev_conf->rxmode.mq_mode) { 108 case ETH_MQ_RX_VMDQ_RSS: 109 case ETH_MQ_RX_VMDQ_ONLY: 110 /* ETH_8/64_POOLs */ 111 pools = conf->nb_queue_pools; 112 /* For each pool, allocate MACVLAN CFA rule & VNIC */ 113 max_pools = RTE_MIN(bp->max_vnics, 114 RTE_MIN(bp->max_l2_ctx, 115 RTE_MIN(bp->max_rsscos_ctx, 116 ETH_64_POOLS))); 117 if (pools > max_pools) 118 pools = max_pools; 119 break; 120 case ETH_MQ_RX_RSS: 121 pools = 1; 122 break; 123 default: 124 RTE_LOG(ERR, PMD, "Unsupported mq_mod %d\n", 125 dev_conf->rxmode.mq_mode); 126 rc = -EINVAL; 127 goto err_out; 128 } 129 } 130 131 nb_q_per_grp = bp->rx_cp_nr_rings / pools; 132 start_grp_id = 0; 133 end_grp_id = nb_q_per_grp; 134 135 for (i = 0; i < pools; i++) { 136 vnic = bnxt_alloc_vnic(bp); 137 if (!vnic) { 138 RTE_LOG(ERR, PMD, "VNIC alloc failed\n"); 139 rc = -ENOMEM; 140 goto err_out; 141 } 142 vnic->flags |= BNXT_VNIC_INFO_BCAST; 143 STAILQ_INSERT_TAIL(&bp->ff_pool[i], vnic, next); 144 bp->nr_vnics++; 145 146 for (j = 0; j < nb_q_per_grp; j++, ring_idx++) { 147 rxq = bp->eth_dev->data->rx_queues[ring_idx]; 148 rxq->vnic = vnic; 149 } 150 if (i == 0) { 151 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB) { 152 bp->eth_dev->data->promiscuous = 1; 153 vnic->flags |= BNXT_VNIC_INFO_PROMISC; 154 } 155 vnic->func_default = true; 156 } 157 vnic->ff_pool_idx = i; 158 vnic->start_grp_id = start_grp_id; 159 vnic->end_grp_id = end_grp_id; 160 161 if (i) { 162 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_VMDQ_DCB || 163 !(dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS)) 164 vnic->rss_dflt_cr = true; 165 goto skip_filter_allocation; 166 } 167 filter = bnxt_alloc_filter(bp); 168 if (!filter) { 169 RTE_LOG(ERR, PMD, "L2 filter alloc failed\n"); 170 rc = -ENOMEM; 171 goto err_out; 172 } 173 /* 174 * TODO: Configure & associate CFA rule for 175 * each VNIC for each VMDq with MACVLAN, MACVLAN+TC 176 */ 177 STAILQ_INSERT_TAIL(&vnic->filter, filter, next); 178 179 skip_filter_allocation: 180 start_grp_id = end_grp_id; 181 end_grp_id += nb_q_per_grp; 182 } 183 184 out: 185 if (dev_conf->rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) { 186 struct rte_eth_rss_conf *rss = &dev_conf->rx_adv_conf.rss_conf; 187 uint16_t hash_type = 0; 188 189 if (bp->flags & BNXT_FLAG_UPDATE_HASH) { 190 rss = &bp->rss_conf; 191 bp->flags &= ~BNXT_FLAG_UPDATE_HASH; 192 } 193 194 if (rss->rss_hf & ETH_RSS_IPV4) 195 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV4; 196 if (rss->rss_hf & ETH_RSS_NONFRAG_IPV4_TCP) 197 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV4; 198 if (rss->rss_hf & ETH_RSS_NONFRAG_IPV4_UDP) 199 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV4; 200 if (rss->rss_hf & ETH_RSS_IPV6) 201 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_IPV6; 202 if (rss->rss_hf & ETH_RSS_NONFRAG_IPV6_TCP) 203 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_TCP_IPV6; 204 if (rss->rss_hf & ETH_RSS_NONFRAG_IPV6_UDP) 205 hash_type |= HWRM_VNIC_RSS_CFG_INPUT_HASH_TYPE_UDP_IPV6; 206 207 for (i = 0; i < bp->nr_vnics; i++) { 208 STAILQ_FOREACH(vnic, &bp->ff_pool[i], next) { 209 vnic->hash_type = hash_type; 210 211 /* 212 * Use the supplied key if the key length is 213 * acceptable and the rss_key is not NULL 214 */ 215 if (rss->rss_key && 216 rss->rss_key_len <= HW_HASH_KEY_SIZE) 217 memcpy(vnic->rss_hash_key, 218 rss->rss_key, rss->rss_key_len); 219 } 220 } 221 } 222 223 return rc; 224 225 err_out: 226 /* Free allocated vnic/filters */ 227 228 return rc; 229 } 230 231 static void bnxt_rx_queue_release_mbufs(struct bnxt_rx_queue *rxq) 232 { 233 struct bnxt_sw_rx_bd *sw_ring; 234 struct bnxt_tpa_info *tpa_info; 235 uint16_t i; 236 237 if (rxq) { 238 sw_ring = rxq->rx_ring->rx_buf_ring; 239 if (sw_ring) { 240 for (i = 0; 241 i < rxq->rx_ring->rx_ring_struct->ring_size; i++) { 242 if (sw_ring[i].mbuf) { 243 rte_pktmbuf_free_seg(sw_ring[i].mbuf); 244 sw_ring[i].mbuf = NULL; 245 } 246 } 247 } 248 /* Free up mbufs in Agg ring */ 249 sw_ring = rxq->rx_ring->ag_buf_ring; 250 if (sw_ring) { 251 for (i = 0; 252 i < rxq->rx_ring->ag_ring_struct->ring_size; i++) { 253 if (sw_ring[i].mbuf) { 254 rte_pktmbuf_free_seg(sw_ring[i].mbuf); 255 sw_ring[i].mbuf = NULL; 256 } 257 } 258 } 259 260 /* Free up mbufs in TPA */ 261 tpa_info = rxq->rx_ring->tpa_info; 262 if (tpa_info) { 263 for (i = 0; i < BNXT_TPA_MAX; i++) { 264 if (tpa_info[i].mbuf) { 265 rte_pktmbuf_free_seg(tpa_info[i].mbuf); 266 tpa_info[i].mbuf = NULL; 267 } 268 } 269 } 270 } 271 } 272 273 void bnxt_free_rx_mbufs(struct bnxt *bp) 274 { 275 struct bnxt_rx_queue *rxq; 276 int i; 277 278 for (i = 0; i < (int)bp->rx_nr_rings; i++) { 279 rxq = bp->rx_queues[i]; 280 bnxt_rx_queue_release_mbufs(rxq); 281 } 282 } 283 284 void bnxt_rx_queue_release_op(void *rx_queue) 285 { 286 struct bnxt_rx_queue *rxq = (struct bnxt_rx_queue *)rx_queue; 287 288 if (rxq) { 289 bnxt_rx_queue_release_mbufs(rxq); 290 291 /* Free RX ring hardware descriptors */ 292 bnxt_free_ring(rxq->rx_ring->rx_ring_struct); 293 /* Free RX Agg ring hardware descriptors */ 294 bnxt_free_ring(rxq->rx_ring->ag_ring_struct); 295 296 /* Free RX completion ring hardware descriptors */ 297 bnxt_free_ring(rxq->cp_ring->cp_ring_struct); 298 299 bnxt_free_rxq_stats(rxq); 300 301 rte_free(rxq); 302 } 303 } 304 305 int bnxt_rx_queue_setup_op(struct rte_eth_dev *eth_dev, 306 uint16_t queue_idx, 307 uint16_t nb_desc, 308 unsigned int socket_id, 309 const struct rte_eth_rxconf *rx_conf, 310 struct rte_mempool *mp) 311 { 312 struct bnxt *bp = (struct bnxt *)eth_dev->data->dev_private; 313 struct bnxt_rx_queue *rxq; 314 int rc = 0; 315 316 if (!nb_desc || nb_desc > MAX_RX_DESC_CNT) { 317 RTE_LOG(ERR, PMD, "nb_desc %d is invalid\n", nb_desc); 318 rc = -EINVAL; 319 goto out; 320 } 321 322 if (eth_dev->data->rx_queues) { 323 rxq = eth_dev->data->rx_queues[queue_idx]; 324 if (rxq) 325 bnxt_rx_queue_release_op(rxq); 326 } 327 rxq = rte_zmalloc_socket("bnxt_rx_queue", sizeof(struct bnxt_rx_queue), 328 RTE_CACHE_LINE_SIZE, socket_id); 329 if (!rxq) { 330 RTE_LOG(ERR, PMD, "bnxt_rx_queue allocation failed!\n"); 331 rc = -ENOMEM; 332 goto out; 333 } 334 rxq->bp = bp; 335 rxq->mb_pool = mp; 336 rxq->nb_rx_desc = nb_desc; 337 rxq->rx_free_thresh = rx_conf->rx_free_thresh; 338 339 RTE_LOG(DEBUG, PMD, "RX Buf size is %d\n", rxq->rx_buf_use_size); 340 RTE_LOG(DEBUG, PMD, "RX Buf MTU %d\n", eth_dev->data->mtu); 341 342 rc = bnxt_init_rx_ring_struct(rxq, socket_id); 343 if (rc) 344 goto out; 345 346 rxq->queue_id = queue_idx; 347 rxq->port_id = eth_dev->data->port_id; 348 rxq->crc_len = (uint8_t)((eth_dev->data->dev_conf.rxmode.hw_strip_crc) ? 349 0 : ETHER_CRC_LEN); 350 351 eth_dev->data->rx_queues[queue_idx] = rxq; 352 /* Allocate RX ring hardware descriptors */ 353 if (bnxt_alloc_rings(bp, queue_idx, NULL, rxq->rx_ring, rxq->cp_ring, 354 "rxr")) { 355 RTE_LOG(ERR, PMD, 356 "ring_dma_zone_reserve for rx_ring failed!\n"); 357 bnxt_rx_queue_release_op(rxq); 358 rc = -ENOMEM; 359 goto out; 360 } 361 362 out: 363 return rc; 364 } 365 366 int 367 bnxt_rx_queue_intr_enable_op(struct rte_eth_dev *eth_dev, uint16_t queue_id) 368 { 369 struct bnxt_rx_queue *rxq; 370 struct bnxt_cp_ring_info *cpr; 371 int rc = 0; 372 373 if (eth_dev->data->rx_queues) { 374 rxq = eth_dev->data->rx_queues[queue_id]; 375 if (!rxq) { 376 rc = -EINVAL; 377 return rc; 378 } 379 cpr = rxq->cp_ring; 380 B_CP_DB_ARM(cpr); 381 } 382 return rc; 383 } 384 385 int 386 bnxt_rx_queue_intr_disable_op(struct rte_eth_dev *eth_dev, uint16_t queue_id) 387 { 388 struct bnxt_rx_queue *rxq; 389 struct bnxt_cp_ring_info *cpr; 390 int rc = 0; 391 392 if (eth_dev->data->rx_queues) { 393 rxq = eth_dev->data->rx_queues[queue_id]; 394 if (!rxq) { 395 rc = -EINVAL; 396 return rc; 397 } 398 cpr = rxq->cp_ring; 399 B_CP_DB_DISARM(cpr); 400 } 401 return rc; 402 } 403