1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2017 Intel Corporation 3 */ 4 5 #include <sys/queue.h> 6 #include <stdio.h> 7 #include <errno.h> 8 #include <stdint.h> 9 #include <string.h> 10 #include <unistd.h> 11 #include <stdarg.h> 12 #include <inttypes.h> 13 #include <rte_byteorder.h> 14 #include <rte_common.h> 15 16 #include <rte_interrupts.h> 17 #include <rte_debug.h> 18 #include <rte_pci.h> 19 #include <rte_atomic.h> 20 #include <rte_eal.h> 21 #include <rte_ether.h> 22 #include <rte_ethdev_driver.h> 23 #include <rte_ethdev_pci.h> 24 #include <rte_malloc.h> 25 #include <rte_memzone.h> 26 #include <rte_dev.h> 27 28 #include "iavf.h" 29 #include "iavf_rxtx.h" 30 #include "iavf_generic_flow.h" 31 #include "rte_pmd_iavf.h" 32 33 /* devargs */ 34 #define IAVF_PROTO_XTR_ARG "proto_xtr" 35 36 static const char * const iavf_valid_args[] = { 37 IAVF_PROTO_XTR_ARG, 38 NULL 39 }; 40 41 static const struct rte_mbuf_dynfield iavf_proto_xtr_metadata_param = { 42 .name = "intel_pmd_dynfield_proto_xtr_metadata", 43 .size = sizeof(uint32_t), 44 .align = __alignof__(uint32_t), 45 .flags = 0, 46 }; 47 48 struct iavf_proto_xtr_ol { 49 const struct rte_mbuf_dynflag param; 50 uint64_t *ol_flag; 51 bool required; 52 }; 53 54 static struct iavf_proto_xtr_ol iavf_proto_xtr_params[] = { 55 [IAVF_PROTO_XTR_VLAN] = { 56 .param = { .name = "intel_pmd_dynflag_proto_xtr_vlan" }, 57 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_vlan_mask }, 58 [IAVF_PROTO_XTR_IPV4] = { 59 .param = { .name = "intel_pmd_dynflag_proto_xtr_ipv4" }, 60 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv4_mask }, 61 [IAVF_PROTO_XTR_IPV6] = { 62 .param = { .name = "intel_pmd_dynflag_proto_xtr_ipv6" }, 63 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv6_mask }, 64 [IAVF_PROTO_XTR_IPV6_FLOW] = { 65 .param = { .name = "intel_pmd_dynflag_proto_xtr_ipv6_flow" }, 66 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv6_flow_mask }, 67 [IAVF_PROTO_XTR_TCP] = { 68 .param = { .name = "intel_pmd_dynflag_proto_xtr_tcp" }, 69 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_tcp_mask }, 70 [IAVF_PROTO_XTR_IP_OFFSET] = { 71 .param = { .name = "intel_pmd_dynflag_proto_xtr_ip_offset" }, 72 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ip_offset_mask }, 73 }; 74 75 static int iavf_dev_configure(struct rte_eth_dev *dev); 76 static int iavf_dev_start(struct rte_eth_dev *dev); 77 static int iavf_dev_stop(struct rte_eth_dev *dev); 78 static int iavf_dev_close(struct rte_eth_dev *dev); 79 static int iavf_dev_reset(struct rte_eth_dev *dev); 80 static int iavf_dev_info_get(struct rte_eth_dev *dev, 81 struct rte_eth_dev_info *dev_info); 82 static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev); 83 static int iavf_dev_stats_get(struct rte_eth_dev *dev, 84 struct rte_eth_stats *stats); 85 static int iavf_dev_stats_reset(struct rte_eth_dev *dev); 86 static int iavf_dev_xstats_get(struct rte_eth_dev *dev, 87 struct rte_eth_xstat *xstats, unsigned int n); 88 static int iavf_dev_xstats_get_names(struct rte_eth_dev *dev, 89 struct rte_eth_xstat_name *xstats_names, 90 unsigned int limit); 91 static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev); 92 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev); 93 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev); 94 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev); 95 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev, 96 struct rte_ether_addr *addr, 97 uint32_t index, 98 uint32_t pool); 99 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index); 100 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, 101 uint16_t vlan_id, int on); 102 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask); 103 static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev, 104 struct rte_eth_rss_reta_entry64 *reta_conf, 105 uint16_t reta_size); 106 static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev, 107 struct rte_eth_rss_reta_entry64 *reta_conf, 108 uint16_t reta_size); 109 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev, 110 struct rte_eth_rss_conf *rss_conf); 111 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 112 struct rte_eth_rss_conf *rss_conf); 113 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); 114 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev, 115 struct rte_ether_addr *mac_addr); 116 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, 117 uint16_t queue_id); 118 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, 119 uint16_t queue_id); 120 static int iavf_dev_filter_ctrl(struct rte_eth_dev *dev, 121 enum rte_filter_type filter_type, 122 enum rte_filter_op filter_op, 123 void *arg); 124 static int iavf_set_mc_addr_list(struct rte_eth_dev *dev, 125 struct rte_ether_addr *mc_addrs, 126 uint32_t mc_addrs_num); 127 128 static const struct rte_pci_id pci_id_iavf_map[] = { 129 { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_ADAPTIVE_VF) }, 130 { .vendor_id = 0, /* sentinel */ }, 131 }; 132 133 struct rte_iavf_xstats_name_off { 134 char name[RTE_ETH_XSTATS_NAME_SIZE]; 135 unsigned int offset; 136 }; 137 138 static const struct rte_iavf_xstats_name_off rte_iavf_stats_strings[] = { 139 {"rx_bytes", offsetof(struct iavf_eth_stats, rx_bytes)}, 140 {"rx_unicast_packets", offsetof(struct iavf_eth_stats, rx_unicast)}, 141 {"rx_multicast_packets", offsetof(struct iavf_eth_stats, rx_multicast)}, 142 {"rx_broadcast_packets", offsetof(struct iavf_eth_stats, rx_broadcast)}, 143 {"rx_dropped_packets", offsetof(struct iavf_eth_stats, rx_discards)}, 144 {"rx_unknown_protocol_packets", offsetof(struct iavf_eth_stats, 145 rx_unknown_protocol)}, 146 {"tx_bytes", offsetof(struct iavf_eth_stats, tx_bytes)}, 147 {"tx_unicast_packets", offsetof(struct iavf_eth_stats, tx_unicast)}, 148 {"tx_multicast_packets", offsetof(struct iavf_eth_stats, tx_multicast)}, 149 {"tx_broadcast_packets", offsetof(struct iavf_eth_stats, tx_broadcast)}, 150 {"tx_dropped_packets", offsetof(struct iavf_eth_stats, tx_discards)}, 151 {"tx_error_packets", offsetof(struct iavf_eth_stats, tx_errors)}, 152 }; 153 154 #define IAVF_NB_XSTATS (sizeof(rte_iavf_stats_strings) / \ 155 sizeof(rte_iavf_stats_strings[0])) 156 157 static const struct eth_dev_ops iavf_eth_dev_ops = { 158 .dev_configure = iavf_dev_configure, 159 .dev_start = iavf_dev_start, 160 .dev_stop = iavf_dev_stop, 161 .dev_close = iavf_dev_close, 162 .dev_reset = iavf_dev_reset, 163 .dev_infos_get = iavf_dev_info_get, 164 .dev_supported_ptypes_get = iavf_dev_supported_ptypes_get, 165 .link_update = iavf_dev_link_update, 166 .stats_get = iavf_dev_stats_get, 167 .stats_reset = iavf_dev_stats_reset, 168 .xstats_get = iavf_dev_xstats_get, 169 .xstats_get_names = iavf_dev_xstats_get_names, 170 .xstats_reset = iavf_dev_stats_reset, 171 .promiscuous_enable = iavf_dev_promiscuous_enable, 172 .promiscuous_disable = iavf_dev_promiscuous_disable, 173 .allmulticast_enable = iavf_dev_allmulticast_enable, 174 .allmulticast_disable = iavf_dev_allmulticast_disable, 175 .mac_addr_add = iavf_dev_add_mac_addr, 176 .mac_addr_remove = iavf_dev_del_mac_addr, 177 .set_mc_addr_list = iavf_set_mc_addr_list, 178 .vlan_filter_set = iavf_dev_vlan_filter_set, 179 .vlan_offload_set = iavf_dev_vlan_offload_set, 180 .rx_queue_start = iavf_dev_rx_queue_start, 181 .rx_queue_stop = iavf_dev_rx_queue_stop, 182 .tx_queue_start = iavf_dev_tx_queue_start, 183 .tx_queue_stop = iavf_dev_tx_queue_stop, 184 .rx_queue_setup = iavf_dev_rx_queue_setup, 185 .rx_queue_release = iavf_dev_rx_queue_release, 186 .tx_queue_setup = iavf_dev_tx_queue_setup, 187 .tx_queue_release = iavf_dev_tx_queue_release, 188 .mac_addr_set = iavf_dev_set_default_mac_addr, 189 .reta_update = iavf_dev_rss_reta_update, 190 .reta_query = iavf_dev_rss_reta_query, 191 .rss_hash_update = iavf_dev_rss_hash_update, 192 .rss_hash_conf_get = iavf_dev_rss_hash_conf_get, 193 .rxq_info_get = iavf_dev_rxq_info_get, 194 .txq_info_get = iavf_dev_txq_info_get, 195 .mtu_set = iavf_dev_mtu_set, 196 .rx_queue_intr_enable = iavf_dev_rx_queue_intr_enable, 197 .rx_queue_intr_disable = iavf_dev_rx_queue_intr_disable, 198 .filter_ctrl = iavf_dev_filter_ctrl, 199 .tx_done_cleanup = iavf_dev_tx_done_cleanup, 200 }; 201 202 static int 203 iavf_set_mc_addr_list(struct rte_eth_dev *dev, 204 struct rte_ether_addr *mc_addrs, 205 uint32_t mc_addrs_num) 206 { 207 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 208 struct iavf_adapter *adapter = 209 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 210 int err, ret; 211 212 if (mc_addrs_num > IAVF_NUM_MACADDR_MAX) { 213 PMD_DRV_LOG(ERR, 214 "can't add more than a limited number (%u) of addresses.", 215 (uint32_t)IAVF_NUM_MACADDR_MAX); 216 return -EINVAL; 217 } 218 219 /* flush previous addresses */ 220 err = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num, 221 false); 222 if (err) 223 return err; 224 225 /* add new ones */ 226 err = iavf_add_del_mc_addr_list(adapter, mc_addrs, mc_addrs_num, true); 227 228 if (err) { 229 /* if adding mac address list fails, should add the previous 230 * addresses back. 231 */ 232 ret = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, 233 vf->mc_addrs_num, true); 234 if (ret) 235 return ret; 236 } else { 237 vf->mc_addrs_num = mc_addrs_num; 238 memcpy(vf->mc_addrs, 239 mc_addrs, mc_addrs_num * sizeof(*mc_addrs)); 240 } 241 242 return err; 243 } 244 245 static int 246 iavf_init_rss(struct iavf_adapter *adapter) 247 { 248 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 249 struct rte_eth_rss_conf *rss_conf; 250 uint16_t i, j, nb_q; 251 int ret; 252 253 rss_conf = &adapter->eth_dev->data->dev_conf.rx_adv_conf.rss_conf; 254 nb_q = RTE_MIN(adapter->eth_dev->data->nb_rx_queues, 255 vf->max_rss_qregion); 256 257 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) { 258 PMD_DRV_LOG(DEBUG, "RSS is not supported"); 259 return -ENOTSUP; 260 } 261 if (adapter->eth_dev->data->dev_conf.rxmode.mq_mode != ETH_MQ_RX_RSS) { 262 PMD_DRV_LOG(WARNING, "RSS is enabled by PF by default"); 263 /* set all lut items to default queue */ 264 for (i = 0; i < vf->vf_res->rss_lut_size; i++) 265 vf->rss_lut[i] = 0; 266 ret = iavf_configure_rss_lut(adapter); 267 return ret; 268 } 269 270 /* In IAVF, RSS enablement is set by PF driver. It is not supported 271 * to set based on rss_conf->rss_hf. 272 */ 273 274 /* configure RSS key */ 275 if (!rss_conf->rss_key) { 276 /* Calculate the default hash key */ 277 for (i = 0; i <= vf->vf_res->rss_key_size; i++) 278 vf->rss_key[i] = (uint8_t)rte_rand(); 279 } else 280 rte_memcpy(vf->rss_key, rss_conf->rss_key, 281 RTE_MIN(rss_conf->rss_key_len, 282 vf->vf_res->rss_key_size)); 283 284 /* init RSS LUT table */ 285 for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) { 286 if (j >= nb_q) 287 j = 0; 288 vf->rss_lut[i] = j; 289 } 290 /* send virtchnnl ops to configure rss*/ 291 ret = iavf_configure_rss_lut(adapter); 292 if (ret) 293 return ret; 294 ret = iavf_configure_rss_key(adapter); 295 if (ret) 296 return ret; 297 298 return 0; 299 } 300 301 static int 302 iavf_queues_req_reset(struct rte_eth_dev *dev, uint16_t num) 303 { 304 struct iavf_adapter *ad = 305 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 306 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad); 307 int ret; 308 309 ret = iavf_request_queues(ad, num); 310 if (ret) { 311 PMD_DRV_LOG(ERR, "request queues from PF failed"); 312 return ret; 313 } 314 PMD_DRV_LOG(INFO, "change queue pairs from %u to %u", 315 vf->vsi_res->num_queue_pairs, num); 316 317 ret = iavf_dev_reset(dev); 318 if (ret) { 319 PMD_DRV_LOG(ERR, "vf reset failed"); 320 return ret; 321 } 322 323 return 0; 324 } 325 326 static int 327 iavf_dev_configure(struct rte_eth_dev *dev) 328 { 329 struct iavf_adapter *ad = 330 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 331 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad); 332 struct rte_eth_conf *dev_conf = &dev->data->dev_conf; 333 uint16_t num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues, 334 dev->data->nb_tx_queues); 335 int ret; 336 337 ad->rx_bulk_alloc_allowed = true; 338 /* Initialize to TRUE. If any of Rx queues doesn't meet the 339 * vector Rx/Tx preconditions, it will be reset. 340 */ 341 ad->rx_vec_allowed = true; 342 ad->tx_vec_allowed = true; 343 344 if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) 345 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH; 346 347 /* Large VF setting */ 348 if (num_queue_pairs > IAVF_MAX_NUM_QUEUES_DFLT) { 349 if (!(vf->vf_res->vf_cap_flags & 350 VIRTCHNL_VF_LARGE_NUM_QPAIRS)) { 351 PMD_DRV_LOG(ERR, "large VF is not supported"); 352 return -1; 353 } 354 355 if (num_queue_pairs > IAVF_MAX_NUM_QUEUES_LV) { 356 PMD_DRV_LOG(ERR, "queue pairs number cannot be larger than %u", 357 IAVF_MAX_NUM_QUEUES_LV); 358 return -1; 359 } 360 361 ret = iavf_queues_req_reset(dev, num_queue_pairs); 362 if (ret) 363 return ret; 364 365 ret = iavf_get_max_rss_queue_region(ad); 366 if (ret) { 367 PMD_INIT_LOG(ERR, "get max rss queue region failed"); 368 return ret; 369 } 370 371 vf->lv_enabled = true; 372 } else { 373 /* Check if large VF is already enabled. If so, disable and 374 * release redundant queue resource. 375 */ 376 if (vf->lv_enabled) { 377 ret = iavf_queues_req_reset(dev, num_queue_pairs); 378 if (ret) 379 return ret; 380 381 vf->lv_enabled = false; 382 } 383 /* if large VF is not required, use default rss queue region */ 384 vf->max_rss_qregion = IAVF_MAX_NUM_QUEUES_DFLT; 385 } 386 387 /* Vlan stripping setting */ 388 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN) { 389 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP) 390 iavf_enable_vlan_strip(ad); 391 else 392 iavf_disable_vlan_strip(ad); 393 } 394 395 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { 396 if (iavf_init_rss(ad) != 0) { 397 PMD_DRV_LOG(ERR, "configure rss failed"); 398 return -1; 399 } 400 } 401 return 0; 402 } 403 404 static int 405 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq) 406 { 407 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 408 struct rte_eth_dev_data *dev_data = dev->data; 409 uint16_t buf_size, max_pkt_len, len; 410 411 buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM; 412 413 /* Calculate the maximum packet length allowed */ 414 len = rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS; 415 max_pkt_len = RTE_MIN(len, dev->data->dev_conf.rxmode.max_rx_pkt_len); 416 417 /* Check if the jumbo frame and maximum packet length are set 418 * correctly. 419 */ 420 if (dev->data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_JUMBO_FRAME) { 421 if (max_pkt_len <= RTE_ETHER_MAX_LEN || 422 max_pkt_len > IAVF_FRAME_SIZE_MAX) { 423 PMD_DRV_LOG(ERR, "maximum packet length must be " 424 "larger than %u and smaller than %u, " 425 "as jumbo frame is enabled", 426 (uint32_t)RTE_ETHER_MAX_LEN, 427 (uint32_t)IAVF_FRAME_SIZE_MAX); 428 return -EINVAL; 429 } 430 } else { 431 if (max_pkt_len < RTE_ETHER_MIN_LEN || 432 max_pkt_len > RTE_ETHER_MAX_LEN) { 433 PMD_DRV_LOG(ERR, "maximum packet length must be " 434 "larger than %u and smaller than %u, " 435 "as jumbo frame is disabled", 436 (uint32_t)RTE_ETHER_MIN_LEN, 437 (uint32_t)RTE_ETHER_MAX_LEN); 438 return -EINVAL; 439 } 440 } 441 442 rxq->max_pkt_len = max_pkt_len; 443 if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) || 444 rxq->max_pkt_len > buf_size) { 445 dev_data->scattered_rx = 1; 446 } 447 IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1); 448 IAVF_WRITE_FLUSH(hw); 449 450 return 0; 451 } 452 453 static int 454 iavf_init_queues(struct rte_eth_dev *dev) 455 { 456 struct iavf_rx_queue **rxq = 457 (struct iavf_rx_queue **)dev->data->rx_queues; 458 int i, ret = IAVF_SUCCESS; 459 460 for (i = 0; i < dev->data->nb_rx_queues; i++) { 461 if (!rxq[i] || !rxq[i]->q_set) 462 continue; 463 ret = iavf_init_rxq(dev, rxq[i]); 464 if (ret != IAVF_SUCCESS) 465 break; 466 } 467 /* set rx/tx function to vector/scatter/single-segment 468 * according to parameters 469 */ 470 iavf_set_rx_function(dev); 471 iavf_set_tx_function(dev); 472 473 return ret; 474 } 475 476 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev, 477 struct rte_intr_handle *intr_handle) 478 { 479 struct iavf_adapter *adapter = 480 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 481 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 482 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter); 483 struct iavf_qv_map *qv_map; 484 uint16_t interval, i; 485 int vec; 486 487 if (rte_intr_cap_multiple(intr_handle) && 488 dev->data->dev_conf.intr_conf.rxq) { 489 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues)) 490 return -1; 491 } 492 493 if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) { 494 intr_handle->intr_vec = 495 rte_zmalloc("intr_vec", 496 dev->data->nb_rx_queues * sizeof(int), 0); 497 if (!intr_handle->intr_vec) { 498 PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec", 499 dev->data->nb_rx_queues); 500 return -1; 501 } 502 } 503 504 qv_map = rte_zmalloc("qv_map", 505 dev->data->nb_rx_queues * sizeof(struct iavf_qv_map), 0); 506 if (!qv_map) { 507 PMD_DRV_LOG(ERR, "Failed to allocate %d queue-vector map", 508 dev->data->nb_rx_queues); 509 return -1; 510 } 511 512 if (!dev->data->dev_conf.intr_conf.rxq || 513 !rte_intr_dp_is_en(intr_handle)) { 514 /* Rx interrupt disabled, Map interrupt only for writeback */ 515 vf->nb_msix = 1; 516 if (vf->vf_res->vf_cap_flags & 517 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) { 518 /* If WB_ON_ITR supports, enable it */ 519 vf->msix_base = IAVF_RX_VEC_START; 520 /* Set the ITR for index zero, to 2us to make sure that 521 * we leave time for aggregation to occur, but don't 522 * increase latency dramatically. 523 */ 524 IAVF_WRITE_REG(hw, 525 IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1), 526 (0 << IAVF_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) | 527 IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK | 528 (2UL << IAVF_VFINT_DYN_CTLN1_INTERVAL_SHIFT)); 529 /* debug - check for success! the return value 530 * should be 2, offset is 0x2800 531 */ 532 /* IAVF_READ_REG(hw, IAVF_VFINT_ITRN1(0, 0)); */ 533 } else { 534 /* If no WB_ON_ITR offload flags, need to set 535 * interrupt for descriptor write back. 536 */ 537 vf->msix_base = IAVF_MISC_VEC_ID; 538 539 /* set ITR to max */ 540 interval = iavf_calc_itr_interval( 541 IAVF_QUEUE_ITR_INTERVAL_MAX); 542 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01, 543 IAVF_VFINT_DYN_CTL01_INTENA_MASK | 544 (IAVF_ITR_INDEX_DEFAULT << 545 IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) | 546 (interval << 547 IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT)); 548 } 549 IAVF_WRITE_FLUSH(hw); 550 /* map all queues to the same interrupt */ 551 for (i = 0; i < dev->data->nb_rx_queues; i++) { 552 qv_map[i].queue_id = i; 553 qv_map[i].vector_id = vf->msix_base; 554 } 555 vf->qv_map = qv_map; 556 } else { 557 if (!rte_intr_allow_others(intr_handle)) { 558 vf->nb_msix = 1; 559 vf->msix_base = IAVF_MISC_VEC_ID; 560 for (i = 0; i < dev->data->nb_rx_queues; i++) { 561 qv_map[i].queue_id = i; 562 qv_map[i].vector_id = vf->msix_base; 563 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID; 564 } 565 vf->qv_map = qv_map; 566 PMD_DRV_LOG(DEBUG, 567 "vector %u are mapping to all Rx queues", 568 vf->msix_base); 569 } else { 570 /* If Rx interrupt is reuquired, and we can use 571 * multi interrupts, then the vec is from 1 572 */ 573 vf->nb_msix = RTE_MIN(vf->vf_res->max_vectors, 574 intr_handle->nb_efd); 575 vf->msix_base = IAVF_RX_VEC_START; 576 vec = IAVF_RX_VEC_START; 577 for (i = 0; i < dev->data->nb_rx_queues; i++) { 578 qv_map[i].queue_id = i; 579 qv_map[i].vector_id = vec; 580 intr_handle->intr_vec[i] = vec++; 581 if (vec >= vf->nb_msix) 582 vec = IAVF_RX_VEC_START; 583 } 584 vf->qv_map = qv_map; 585 PMD_DRV_LOG(DEBUG, 586 "%u vectors are mapping to %u Rx queues", 587 vf->nb_msix, dev->data->nb_rx_queues); 588 } 589 } 590 591 if (!vf->lv_enabled) { 592 if (iavf_config_irq_map(adapter)) { 593 PMD_DRV_LOG(ERR, "config interrupt mapping failed"); 594 return -1; 595 } 596 } else { 597 uint16_t num_qv_maps = dev->data->nb_rx_queues; 598 uint16_t index = 0; 599 600 while (num_qv_maps > IAVF_IRQ_MAP_NUM_PER_BUF) { 601 if (iavf_config_irq_map_lv(adapter, 602 IAVF_IRQ_MAP_NUM_PER_BUF, index)) { 603 PMD_DRV_LOG(ERR, "config interrupt mapping for large VF failed"); 604 return -1; 605 } 606 num_qv_maps -= IAVF_IRQ_MAP_NUM_PER_BUF; 607 index += IAVF_IRQ_MAP_NUM_PER_BUF; 608 } 609 610 if (iavf_config_irq_map_lv(adapter, num_qv_maps, index)) { 611 PMD_DRV_LOG(ERR, "config interrupt mapping for large VF failed"); 612 return -1; 613 } 614 } 615 return 0; 616 } 617 618 static int 619 iavf_start_queues(struct rte_eth_dev *dev) 620 { 621 struct iavf_rx_queue *rxq; 622 struct iavf_tx_queue *txq; 623 int i; 624 625 for (i = 0; i < dev->data->nb_tx_queues; i++) { 626 txq = dev->data->tx_queues[i]; 627 if (txq->tx_deferred_start) 628 continue; 629 if (iavf_dev_tx_queue_start(dev, i) != 0) { 630 PMD_DRV_LOG(ERR, "Fail to start queue %u", i); 631 return -1; 632 } 633 } 634 635 for (i = 0; i < dev->data->nb_rx_queues; i++) { 636 rxq = dev->data->rx_queues[i]; 637 if (rxq->rx_deferred_start) 638 continue; 639 if (iavf_dev_rx_queue_start(dev, i) != 0) { 640 PMD_DRV_LOG(ERR, "Fail to start queue %u", i); 641 return -1; 642 } 643 } 644 645 return 0; 646 } 647 648 static int 649 iavf_dev_start(struct rte_eth_dev *dev) 650 { 651 struct iavf_adapter *adapter = 652 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 653 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 654 struct rte_intr_handle *intr_handle = dev->intr_handle; 655 uint16_t num_queue_pairs; 656 uint16_t index = 0; 657 658 PMD_INIT_FUNC_TRACE(); 659 660 adapter->stopped = 0; 661 662 vf->max_pkt_len = dev->data->dev_conf.rxmode.max_rx_pkt_len; 663 vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues, 664 dev->data->nb_tx_queues); 665 num_queue_pairs = vf->num_queue_pairs; 666 667 if (iavf_init_queues(dev) != 0) { 668 PMD_DRV_LOG(ERR, "failed to do Queue init"); 669 return -1; 670 } 671 672 /* If needed, send configure queues msg multiple times to make the 673 * adminq buffer length smaller than the 4K limitation. 674 */ 675 while (num_queue_pairs > IAVF_CFG_Q_NUM_PER_BUF) { 676 if (iavf_configure_queues(adapter, 677 IAVF_CFG_Q_NUM_PER_BUF, index) != 0) { 678 PMD_DRV_LOG(ERR, "configure queues failed"); 679 goto err_queue; 680 } 681 num_queue_pairs -= IAVF_CFG_Q_NUM_PER_BUF; 682 index += IAVF_CFG_Q_NUM_PER_BUF; 683 } 684 685 if (iavf_configure_queues(adapter, num_queue_pairs, index) != 0) { 686 PMD_DRV_LOG(ERR, "configure queues failed"); 687 goto err_queue; 688 } 689 690 if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) { 691 PMD_DRV_LOG(ERR, "configure irq failed"); 692 goto err_queue; 693 } 694 /* re-enable intr again, because efd assign may change */ 695 if (dev->data->dev_conf.intr_conf.rxq != 0) { 696 rte_intr_disable(intr_handle); 697 rte_intr_enable(intr_handle); 698 } 699 700 /* Set all mac addrs */ 701 iavf_add_del_all_mac_addr(adapter, true); 702 703 /* Set all multicast addresses */ 704 iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num, 705 true); 706 707 if (iavf_start_queues(dev) != 0) { 708 PMD_DRV_LOG(ERR, "enable queues failed"); 709 goto err_mac; 710 } 711 712 return 0; 713 714 err_mac: 715 iavf_add_del_all_mac_addr(adapter, false); 716 err_queue: 717 return -1; 718 } 719 720 static int 721 iavf_dev_stop(struct rte_eth_dev *dev) 722 { 723 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 724 struct iavf_adapter *adapter = 725 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 726 struct rte_intr_handle *intr_handle = dev->intr_handle; 727 728 PMD_INIT_FUNC_TRACE(); 729 730 if (adapter->stopped == 1) 731 return 0; 732 733 iavf_stop_queues(dev); 734 735 /* Disable the interrupt for Rx */ 736 rte_intr_efd_disable(intr_handle); 737 /* Rx interrupt vector mapping free */ 738 if (intr_handle->intr_vec) { 739 rte_free(intr_handle->intr_vec); 740 intr_handle->intr_vec = NULL; 741 } 742 743 /* remove all mac addrs */ 744 iavf_add_del_all_mac_addr(adapter, false); 745 746 /* remove all multicast addresses */ 747 iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num, 748 false); 749 750 adapter->stopped = 1; 751 dev->data->dev_started = 0; 752 753 return 0; 754 } 755 756 static int 757 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 758 { 759 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 760 761 dev_info->max_rx_queues = IAVF_MAX_NUM_QUEUES_LV; 762 dev_info->max_tx_queues = IAVF_MAX_NUM_QUEUES_LV; 763 dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN; 764 dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX; 765 dev_info->max_mtu = dev_info->max_rx_pktlen - IAVF_ETH_OVERHEAD; 766 dev_info->min_mtu = RTE_ETHER_MIN_MTU; 767 dev_info->hash_key_size = vf->vf_res->rss_key_size; 768 dev_info->reta_size = vf->vf_res->rss_lut_size; 769 dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL; 770 dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX; 771 dev_info->rx_offload_capa = 772 DEV_RX_OFFLOAD_VLAN_STRIP | 773 DEV_RX_OFFLOAD_QINQ_STRIP | 774 DEV_RX_OFFLOAD_IPV4_CKSUM | 775 DEV_RX_OFFLOAD_UDP_CKSUM | 776 DEV_RX_OFFLOAD_TCP_CKSUM | 777 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM | 778 DEV_RX_OFFLOAD_SCATTER | 779 DEV_RX_OFFLOAD_JUMBO_FRAME | 780 DEV_RX_OFFLOAD_VLAN_FILTER | 781 DEV_RX_OFFLOAD_RSS_HASH; 782 dev_info->tx_offload_capa = 783 DEV_TX_OFFLOAD_VLAN_INSERT | 784 DEV_TX_OFFLOAD_QINQ_INSERT | 785 DEV_TX_OFFLOAD_IPV4_CKSUM | 786 DEV_TX_OFFLOAD_UDP_CKSUM | 787 DEV_TX_OFFLOAD_TCP_CKSUM | 788 DEV_TX_OFFLOAD_SCTP_CKSUM | 789 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | 790 DEV_TX_OFFLOAD_TCP_TSO | 791 DEV_TX_OFFLOAD_VXLAN_TNL_TSO | 792 DEV_TX_OFFLOAD_GRE_TNL_TSO | 793 DEV_TX_OFFLOAD_IPIP_TNL_TSO | 794 DEV_TX_OFFLOAD_GENEVE_TNL_TSO | 795 DEV_TX_OFFLOAD_MULTI_SEGS | 796 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 797 798 dev_info->default_rxconf = (struct rte_eth_rxconf) { 799 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH, 800 .rx_drop_en = 0, 801 .offloads = 0, 802 }; 803 804 dev_info->default_txconf = (struct rte_eth_txconf) { 805 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH, 806 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH, 807 .offloads = 0, 808 }; 809 810 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 811 .nb_max = IAVF_MAX_RING_DESC, 812 .nb_min = IAVF_MIN_RING_DESC, 813 .nb_align = IAVF_ALIGN_RING_DESC, 814 }; 815 816 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 817 .nb_max = IAVF_MAX_RING_DESC, 818 .nb_min = IAVF_MIN_RING_DESC, 819 .nb_align = IAVF_ALIGN_RING_DESC, 820 }; 821 822 return 0; 823 } 824 825 static const uint32_t * 826 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused) 827 { 828 static const uint32_t ptypes[] = { 829 RTE_PTYPE_L2_ETHER, 830 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN, 831 RTE_PTYPE_L4_FRAG, 832 RTE_PTYPE_L4_ICMP, 833 RTE_PTYPE_L4_NONFRAG, 834 RTE_PTYPE_L4_SCTP, 835 RTE_PTYPE_L4_TCP, 836 RTE_PTYPE_L4_UDP, 837 RTE_PTYPE_UNKNOWN 838 }; 839 return ptypes; 840 } 841 842 int 843 iavf_dev_link_update(struct rte_eth_dev *dev, 844 __rte_unused int wait_to_complete) 845 { 846 struct rte_eth_link new_link; 847 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 848 849 memset(&new_link, 0, sizeof(new_link)); 850 851 /* Only read status info stored in VF, and the info is updated 852 * when receive LINK_CHANGE evnet from PF by Virtchnnl. 853 */ 854 switch (vf->link_speed) { 855 case 10: 856 new_link.link_speed = ETH_SPEED_NUM_10M; 857 break; 858 case 100: 859 new_link.link_speed = ETH_SPEED_NUM_100M; 860 break; 861 case 1000: 862 new_link.link_speed = ETH_SPEED_NUM_1G; 863 break; 864 case 10000: 865 new_link.link_speed = ETH_SPEED_NUM_10G; 866 break; 867 case 20000: 868 new_link.link_speed = ETH_SPEED_NUM_20G; 869 break; 870 case 25000: 871 new_link.link_speed = ETH_SPEED_NUM_25G; 872 break; 873 case 40000: 874 new_link.link_speed = ETH_SPEED_NUM_40G; 875 break; 876 case 50000: 877 new_link.link_speed = ETH_SPEED_NUM_50G; 878 break; 879 case 100000: 880 new_link.link_speed = ETH_SPEED_NUM_100G; 881 break; 882 default: 883 new_link.link_speed = ETH_SPEED_NUM_NONE; 884 break; 885 } 886 887 new_link.link_duplex = ETH_LINK_FULL_DUPLEX; 888 new_link.link_status = vf->link_up ? ETH_LINK_UP : 889 ETH_LINK_DOWN; 890 new_link.link_autoneg = !(dev->data->dev_conf.link_speeds & 891 ETH_LINK_SPEED_FIXED); 892 893 return rte_eth_linkstatus_set(dev, &new_link); 894 } 895 896 static int 897 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev) 898 { 899 struct iavf_adapter *adapter = 900 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 901 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 902 903 return iavf_config_promisc(adapter, 904 true, vf->promisc_multicast_enabled); 905 } 906 907 static int 908 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev) 909 { 910 struct iavf_adapter *adapter = 911 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 912 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 913 914 return iavf_config_promisc(adapter, 915 false, vf->promisc_multicast_enabled); 916 } 917 918 static int 919 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev) 920 { 921 struct iavf_adapter *adapter = 922 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 923 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 924 925 return iavf_config_promisc(adapter, 926 vf->promisc_unicast_enabled, true); 927 } 928 929 static int 930 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev) 931 { 932 struct iavf_adapter *adapter = 933 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 934 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 935 936 return iavf_config_promisc(adapter, 937 vf->promisc_unicast_enabled, false); 938 } 939 940 static int 941 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr, 942 __rte_unused uint32_t index, 943 __rte_unused uint32_t pool) 944 { 945 struct iavf_adapter *adapter = 946 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 947 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 948 int err; 949 950 if (rte_is_zero_ether_addr(addr)) { 951 PMD_DRV_LOG(ERR, "Invalid Ethernet Address"); 952 return -EINVAL; 953 } 954 955 err = iavf_add_del_eth_addr(adapter, addr, true); 956 if (err) { 957 PMD_DRV_LOG(ERR, "fail to add MAC address"); 958 return -EIO; 959 } 960 961 vf->mac_num++; 962 963 return 0; 964 } 965 966 static void 967 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index) 968 { 969 struct iavf_adapter *adapter = 970 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 971 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 972 struct rte_ether_addr *addr; 973 int err; 974 975 addr = &dev->data->mac_addrs[index]; 976 977 err = iavf_add_del_eth_addr(adapter, addr, false); 978 if (err) 979 PMD_DRV_LOG(ERR, "fail to delete MAC address"); 980 981 vf->mac_num--; 982 } 983 984 static int 985 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) 986 { 987 struct iavf_adapter *adapter = 988 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 989 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 990 int err; 991 992 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN)) 993 return -ENOTSUP; 994 995 err = iavf_add_del_vlan(adapter, vlan_id, on); 996 if (err) 997 return -EIO; 998 return 0; 999 } 1000 1001 static int 1002 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask) 1003 { 1004 struct iavf_adapter *adapter = 1005 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1006 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1007 struct rte_eth_conf *dev_conf = &dev->data->dev_conf; 1008 int err; 1009 1010 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN)) 1011 return -ENOTSUP; 1012 1013 /* Vlan stripping setting */ 1014 if (mask & ETH_VLAN_STRIP_MASK) { 1015 /* Enable or disable VLAN stripping */ 1016 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP) 1017 err = iavf_enable_vlan_strip(adapter); 1018 else 1019 err = iavf_disable_vlan_strip(adapter); 1020 1021 if (err) 1022 return -EIO; 1023 } 1024 return 0; 1025 } 1026 1027 static int 1028 iavf_dev_rss_reta_update(struct rte_eth_dev *dev, 1029 struct rte_eth_rss_reta_entry64 *reta_conf, 1030 uint16_t reta_size) 1031 { 1032 struct iavf_adapter *adapter = 1033 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1034 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1035 uint8_t *lut; 1036 uint16_t i, idx, shift; 1037 int ret; 1038 1039 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) 1040 return -ENOTSUP; 1041 1042 if (reta_size != vf->vf_res->rss_lut_size) { 1043 PMD_DRV_LOG(ERR, "The size of hash lookup table configured " 1044 "(%d) doesn't match the number of hardware can " 1045 "support (%d)", reta_size, vf->vf_res->rss_lut_size); 1046 return -EINVAL; 1047 } 1048 1049 lut = rte_zmalloc("rss_lut", reta_size, 0); 1050 if (!lut) { 1051 PMD_DRV_LOG(ERR, "No memory can be allocated"); 1052 return -ENOMEM; 1053 } 1054 /* store the old lut table temporarily */ 1055 rte_memcpy(lut, vf->rss_lut, reta_size); 1056 1057 for (i = 0; i < reta_size; i++) { 1058 idx = i / RTE_RETA_GROUP_SIZE; 1059 shift = i % RTE_RETA_GROUP_SIZE; 1060 if (reta_conf[idx].mask & (1ULL << shift)) 1061 lut[i] = reta_conf[idx].reta[shift]; 1062 } 1063 1064 rte_memcpy(vf->rss_lut, lut, reta_size); 1065 /* send virtchnnl ops to configure rss*/ 1066 ret = iavf_configure_rss_lut(adapter); 1067 if (ret) /* revert back */ 1068 rte_memcpy(vf->rss_lut, lut, reta_size); 1069 rte_free(lut); 1070 1071 return ret; 1072 } 1073 1074 static int 1075 iavf_dev_rss_reta_query(struct rte_eth_dev *dev, 1076 struct rte_eth_rss_reta_entry64 *reta_conf, 1077 uint16_t reta_size) 1078 { 1079 struct iavf_adapter *adapter = 1080 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1081 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1082 uint16_t i, idx, shift; 1083 1084 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) 1085 return -ENOTSUP; 1086 1087 if (reta_size != vf->vf_res->rss_lut_size) { 1088 PMD_DRV_LOG(ERR, "The size of hash lookup table configured " 1089 "(%d) doesn't match the number of hardware can " 1090 "support (%d)", reta_size, vf->vf_res->rss_lut_size); 1091 return -EINVAL; 1092 } 1093 1094 for (i = 0; i < reta_size; i++) { 1095 idx = i / RTE_RETA_GROUP_SIZE; 1096 shift = i % RTE_RETA_GROUP_SIZE; 1097 if (reta_conf[idx].mask & (1ULL << shift)) 1098 reta_conf[idx].reta[shift] = vf->rss_lut[i]; 1099 } 1100 1101 return 0; 1102 } 1103 1104 static int 1105 iavf_dev_rss_hash_update(struct rte_eth_dev *dev, 1106 struct rte_eth_rss_conf *rss_conf) 1107 { 1108 struct iavf_adapter *adapter = 1109 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1110 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1111 1112 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) 1113 return -ENOTSUP; 1114 1115 /* HENA setting, it is enabled by default, no change */ 1116 if (!rss_conf->rss_key || rss_conf->rss_key_len == 0) { 1117 PMD_DRV_LOG(DEBUG, "No key to be configured"); 1118 return 0; 1119 } else if (rss_conf->rss_key_len != vf->vf_res->rss_key_size) { 1120 PMD_DRV_LOG(ERR, "The size of hash key configured " 1121 "(%d) doesn't match the size of hardware can " 1122 "support (%d)", rss_conf->rss_key_len, 1123 vf->vf_res->rss_key_size); 1124 return -EINVAL; 1125 } 1126 1127 rte_memcpy(vf->rss_key, rss_conf->rss_key, rss_conf->rss_key_len); 1128 1129 return iavf_configure_rss_key(adapter); 1130 } 1131 1132 static int 1133 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1134 struct rte_eth_rss_conf *rss_conf) 1135 { 1136 struct iavf_adapter *adapter = 1137 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1138 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1139 1140 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) 1141 return -ENOTSUP; 1142 1143 /* Just set it to default value now. */ 1144 rss_conf->rss_hf = IAVF_RSS_OFFLOAD_ALL; 1145 1146 if (!rss_conf->rss_key) 1147 return 0; 1148 1149 rss_conf->rss_key_len = vf->vf_res->rss_key_size; 1150 rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len); 1151 1152 return 0; 1153 } 1154 1155 static int 1156 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu) 1157 { 1158 uint32_t frame_size = mtu + IAVF_ETH_OVERHEAD; 1159 int ret = 0; 1160 1161 if (mtu < RTE_ETHER_MIN_MTU || frame_size > IAVF_FRAME_SIZE_MAX) 1162 return -EINVAL; 1163 1164 /* mtu setting is forbidden if port is start */ 1165 if (dev->data->dev_started) { 1166 PMD_DRV_LOG(ERR, "port must be stopped before configuration"); 1167 return -EBUSY; 1168 } 1169 1170 if (frame_size > RTE_ETHER_MAX_LEN) 1171 dev->data->dev_conf.rxmode.offloads |= 1172 DEV_RX_OFFLOAD_JUMBO_FRAME; 1173 else 1174 dev->data->dev_conf.rxmode.offloads &= 1175 ~DEV_RX_OFFLOAD_JUMBO_FRAME; 1176 1177 dev->data->dev_conf.rxmode.max_rx_pkt_len = frame_size; 1178 1179 return ret; 1180 } 1181 1182 static int 1183 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev, 1184 struct rte_ether_addr *mac_addr) 1185 { 1186 struct iavf_adapter *adapter = 1187 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1188 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter); 1189 struct rte_ether_addr *perm_addr, *old_addr; 1190 int ret; 1191 1192 old_addr = (struct rte_ether_addr *)hw->mac.addr; 1193 perm_addr = (struct rte_ether_addr *)hw->mac.perm_addr; 1194 1195 /* If the MAC address is configured by host, skip the setting */ 1196 if (rte_is_valid_assigned_ether_addr(perm_addr)) 1197 return -EPERM; 1198 1199 ret = iavf_add_del_eth_addr(adapter, old_addr, false); 1200 if (ret) 1201 PMD_DRV_LOG(ERR, "Fail to delete old MAC:" 1202 " %02X:%02X:%02X:%02X:%02X:%02X", 1203 old_addr->addr_bytes[0], 1204 old_addr->addr_bytes[1], 1205 old_addr->addr_bytes[2], 1206 old_addr->addr_bytes[3], 1207 old_addr->addr_bytes[4], 1208 old_addr->addr_bytes[5]); 1209 1210 ret = iavf_add_del_eth_addr(adapter, mac_addr, true); 1211 if (ret) 1212 PMD_DRV_LOG(ERR, "Fail to add new MAC:" 1213 " %02X:%02X:%02X:%02X:%02X:%02X", 1214 mac_addr->addr_bytes[0], 1215 mac_addr->addr_bytes[1], 1216 mac_addr->addr_bytes[2], 1217 mac_addr->addr_bytes[3], 1218 mac_addr->addr_bytes[4], 1219 mac_addr->addr_bytes[5]); 1220 1221 if (ret) 1222 return -EIO; 1223 1224 rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr); 1225 return 0; 1226 } 1227 1228 static void 1229 iavf_stat_update_48(uint64_t *offset, uint64_t *stat) 1230 { 1231 if (*stat >= *offset) 1232 *stat = *stat - *offset; 1233 else 1234 *stat = (uint64_t)((*stat + 1235 ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset); 1236 1237 *stat &= IAVF_48_BIT_MASK; 1238 } 1239 1240 static void 1241 iavf_stat_update_32(uint64_t *offset, uint64_t *stat) 1242 { 1243 if (*stat >= *offset) 1244 *stat = (uint64_t)(*stat - *offset); 1245 else 1246 *stat = (uint64_t)((*stat + 1247 ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset); 1248 } 1249 1250 static void 1251 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes) 1252 { 1253 struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset; 1254 1255 iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes); 1256 iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast); 1257 iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast); 1258 iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast); 1259 iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards); 1260 iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes); 1261 iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast); 1262 iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast); 1263 iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast); 1264 iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors); 1265 iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards); 1266 } 1267 1268 static int 1269 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 1270 { 1271 struct iavf_adapter *adapter = 1272 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1273 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1274 struct iavf_vsi *vsi = &vf->vsi; 1275 struct virtchnl_eth_stats *pstats = NULL; 1276 int ret; 1277 1278 ret = iavf_query_stats(adapter, &pstats); 1279 if (ret == 0) { 1280 iavf_update_stats(vsi, pstats); 1281 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast + 1282 pstats->rx_broadcast - pstats->rx_discards; 1283 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast + 1284 pstats->tx_unicast; 1285 stats->imissed = pstats->rx_discards; 1286 stats->oerrors = pstats->tx_errors + pstats->tx_discards; 1287 stats->ibytes = pstats->rx_bytes; 1288 stats->ibytes -= stats->ipackets * RTE_ETHER_CRC_LEN; 1289 stats->obytes = pstats->tx_bytes; 1290 } else { 1291 PMD_DRV_LOG(ERR, "Get statistics failed"); 1292 } 1293 return ret; 1294 } 1295 1296 static int 1297 iavf_dev_stats_reset(struct rte_eth_dev *dev) 1298 { 1299 int ret; 1300 struct iavf_adapter *adapter = 1301 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1302 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1303 struct iavf_vsi *vsi = &vf->vsi; 1304 struct virtchnl_eth_stats *pstats = NULL; 1305 1306 /* read stat values to clear hardware registers */ 1307 ret = iavf_query_stats(adapter, &pstats); 1308 if (ret != 0) 1309 return ret; 1310 1311 /* set stats offset base on current values */ 1312 vsi->eth_stats_offset = *pstats; 1313 1314 return 0; 1315 } 1316 1317 static int iavf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev, 1318 struct rte_eth_xstat_name *xstats_names, 1319 __rte_unused unsigned int limit) 1320 { 1321 unsigned int i; 1322 1323 if (xstats_names != NULL) 1324 for (i = 0; i < IAVF_NB_XSTATS; i++) { 1325 snprintf(xstats_names[i].name, 1326 sizeof(xstats_names[i].name), 1327 "%s", rte_iavf_stats_strings[i].name); 1328 } 1329 return IAVF_NB_XSTATS; 1330 } 1331 1332 static int iavf_dev_xstats_get(struct rte_eth_dev *dev, 1333 struct rte_eth_xstat *xstats, unsigned int n) 1334 { 1335 int ret; 1336 unsigned int i; 1337 struct iavf_adapter *adapter = 1338 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1339 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1340 struct iavf_vsi *vsi = &vf->vsi; 1341 struct virtchnl_eth_stats *pstats = NULL; 1342 1343 if (n < IAVF_NB_XSTATS) 1344 return IAVF_NB_XSTATS; 1345 1346 ret = iavf_query_stats(adapter, &pstats); 1347 if (ret != 0) 1348 return 0; 1349 1350 if (!xstats) 1351 return 0; 1352 1353 iavf_update_stats(vsi, pstats); 1354 1355 /* loop over xstats array and values from pstats */ 1356 for (i = 0; i < IAVF_NB_XSTATS; i++) { 1357 xstats[i].id = i; 1358 xstats[i].value = *(uint64_t *)(((char *)pstats) + 1359 rte_iavf_stats_strings[i].offset); 1360 } 1361 1362 return IAVF_NB_XSTATS; 1363 } 1364 1365 1366 static int 1367 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id) 1368 { 1369 struct iavf_adapter *adapter = 1370 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1371 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1372 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter); 1373 uint16_t msix_intr; 1374 1375 msix_intr = pci_dev->intr_handle.intr_vec[queue_id]; 1376 if (msix_intr == IAVF_MISC_VEC_ID) { 1377 PMD_DRV_LOG(INFO, "MISC is also enabled for control"); 1378 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01, 1379 IAVF_VFINT_DYN_CTL01_INTENA_MASK | 1380 IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK | 1381 IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK); 1382 } else { 1383 IAVF_WRITE_REG(hw, 1384 IAVF_VFINT_DYN_CTLN1 1385 (msix_intr - IAVF_RX_VEC_START), 1386 IAVF_VFINT_DYN_CTLN1_INTENA_MASK | 1387 IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK | 1388 IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK); 1389 } 1390 1391 IAVF_WRITE_FLUSH(hw); 1392 1393 rte_intr_ack(&pci_dev->intr_handle); 1394 1395 return 0; 1396 } 1397 1398 static int 1399 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id) 1400 { 1401 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1402 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 1403 uint16_t msix_intr; 1404 1405 msix_intr = pci_dev->intr_handle.intr_vec[queue_id]; 1406 if (msix_intr == IAVF_MISC_VEC_ID) { 1407 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it"); 1408 return -EIO; 1409 } 1410 1411 IAVF_WRITE_REG(hw, 1412 IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START), 1413 0); 1414 1415 IAVF_WRITE_FLUSH(hw); 1416 return 0; 1417 } 1418 1419 static int 1420 iavf_check_vf_reset_done(struct iavf_hw *hw) 1421 { 1422 int i, reset; 1423 1424 for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) { 1425 reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) & 1426 IAVF_VFGEN_RSTAT_VFR_STATE_MASK; 1427 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT; 1428 if (reset == VIRTCHNL_VFR_VFACTIVE || 1429 reset == VIRTCHNL_VFR_COMPLETED) 1430 break; 1431 rte_delay_ms(20); 1432 } 1433 1434 if (i >= IAVF_RESET_WAIT_CNT) 1435 return -1; 1436 1437 return 0; 1438 } 1439 1440 static int 1441 iavf_lookup_proto_xtr_type(const char *flex_name) 1442 { 1443 static struct { 1444 const char *name; 1445 enum iavf_proto_xtr_type type; 1446 } xtr_type_map[] = { 1447 { "vlan", IAVF_PROTO_XTR_VLAN }, 1448 { "ipv4", IAVF_PROTO_XTR_IPV4 }, 1449 { "ipv6", IAVF_PROTO_XTR_IPV6 }, 1450 { "ipv6_flow", IAVF_PROTO_XTR_IPV6_FLOW }, 1451 { "tcp", IAVF_PROTO_XTR_TCP }, 1452 { "ip_offset", IAVF_PROTO_XTR_IP_OFFSET }, 1453 }; 1454 uint32_t i; 1455 1456 for (i = 0; i < RTE_DIM(xtr_type_map); i++) { 1457 if (strcmp(flex_name, xtr_type_map[i].name) == 0) 1458 return xtr_type_map[i].type; 1459 } 1460 1461 PMD_DRV_LOG(ERR, "wrong proto_xtr type, " 1462 "it should be: vlan|ipv4|ipv6|ipv6_flow|tcp|ip_offset"); 1463 1464 return -1; 1465 } 1466 1467 /** 1468 * Parse elem, the elem could be single number/range or '(' ')' group 1469 * 1) A single number elem, it's just a simple digit. e.g. 9 1470 * 2) A single range elem, two digits with a '-' between. e.g. 2-6 1471 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6) 1472 * Within group elem, '-' used for a range separator; 1473 * ',' used for a single number. 1474 */ 1475 static int 1476 iavf_parse_queue_set(const char *input, int xtr_type, 1477 struct iavf_devargs *devargs) 1478 { 1479 const char *str = input; 1480 char *end = NULL; 1481 uint32_t min, max; 1482 uint32_t idx; 1483 1484 while (isblank(*str)) 1485 str++; 1486 1487 if (!isdigit(*str) && *str != '(') 1488 return -1; 1489 1490 /* process single number or single range of number */ 1491 if (*str != '(') { 1492 errno = 0; 1493 idx = strtoul(str, &end, 10); 1494 if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM) 1495 return -1; 1496 1497 while (isblank(*end)) 1498 end++; 1499 1500 min = idx; 1501 max = idx; 1502 1503 /* process single <number>-<number> */ 1504 if (*end == '-') { 1505 end++; 1506 while (isblank(*end)) 1507 end++; 1508 if (!isdigit(*end)) 1509 return -1; 1510 1511 errno = 0; 1512 idx = strtoul(end, &end, 10); 1513 if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM) 1514 return -1; 1515 1516 max = idx; 1517 while (isblank(*end)) 1518 end++; 1519 } 1520 1521 if (*end != ':') 1522 return -1; 1523 1524 for (idx = RTE_MIN(min, max); 1525 idx <= RTE_MAX(min, max); idx++) 1526 devargs->proto_xtr[idx] = xtr_type; 1527 1528 return 0; 1529 } 1530 1531 /* process set within bracket */ 1532 str++; 1533 while (isblank(*str)) 1534 str++; 1535 if (*str == '\0') 1536 return -1; 1537 1538 min = IAVF_MAX_QUEUE_NUM; 1539 do { 1540 /* go ahead to the first digit */ 1541 while (isblank(*str)) 1542 str++; 1543 if (!isdigit(*str)) 1544 return -1; 1545 1546 /* get the digit value */ 1547 errno = 0; 1548 idx = strtoul(str, &end, 10); 1549 if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM) 1550 return -1; 1551 1552 /* go ahead to separator '-',',' and ')' */ 1553 while (isblank(*end)) 1554 end++; 1555 if (*end == '-') { 1556 if (min == IAVF_MAX_QUEUE_NUM) 1557 min = idx; 1558 else /* avoid continuous '-' */ 1559 return -1; 1560 } else if (*end == ',' || *end == ')') { 1561 max = idx; 1562 if (min == IAVF_MAX_QUEUE_NUM) 1563 min = idx; 1564 1565 for (idx = RTE_MIN(min, max); 1566 idx <= RTE_MAX(min, max); idx++) 1567 devargs->proto_xtr[idx] = xtr_type; 1568 1569 min = IAVF_MAX_QUEUE_NUM; 1570 } else { 1571 return -1; 1572 } 1573 1574 str = end + 1; 1575 } while (*end != ')' && *end != '\0'); 1576 1577 return 0; 1578 } 1579 1580 static int 1581 iavf_parse_queue_proto_xtr(const char *queues, struct iavf_devargs *devargs) 1582 { 1583 const char *queue_start; 1584 uint32_t idx; 1585 int xtr_type; 1586 char flex_name[32]; 1587 1588 while (isblank(*queues)) 1589 queues++; 1590 1591 if (*queues != '[') { 1592 xtr_type = iavf_lookup_proto_xtr_type(queues); 1593 if (xtr_type < 0) 1594 return -1; 1595 1596 devargs->proto_xtr_dflt = xtr_type; 1597 1598 return 0; 1599 } 1600 1601 queues++; 1602 do { 1603 while (isblank(*queues)) 1604 queues++; 1605 if (*queues == '\0') 1606 return -1; 1607 1608 queue_start = queues; 1609 1610 /* go across a complete bracket */ 1611 if (*queue_start == '(') { 1612 queues += strcspn(queues, ")"); 1613 if (*queues != ')') 1614 return -1; 1615 } 1616 1617 /* scan the separator ':' */ 1618 queues += strcspn(queues, ":"); 1619 if (*queues++ != ':') 1620 return -1; 1621 while (isblank(*queues)) 1622 queues++; 1623 1624 for (idx = 0; ; idx++) { 1625 if (isblank(queues[idx]) || 1626 queues[idx] == ',' || 1627 queues[idx] == ']' || 1628 queues[idx] == '\0') 1629 break; 1630 1631 if (idx > sizeof(flex_name) - 2) 1632 return -1; 1633 1634 flex_name[idx] = queues[idx]; 1635 } 1636 flex_name[idx] = '\0'; 1637 xtr_type = iavf_lookup_proto_xtr_type(flex_name); 1638 if (xtr_type < 0) 1639 return -1; 1640 1641 queues += idx; 1642 1643 while (isblank(*queues) || *queues == ',' || *queues == ']') 1644 queues++; 1645 1646 if (iavf_parse_queue_set(queue_start, xtr_type, devargs) < 0) 1647 return -1; 1648 } while (*queues != '\0'); 1649 1650 return 0; 1651 } 1652 1653 static int 1654 iavf_handle_proto_xtr_arg(__rte_unused const char *key, const char *value, 1655 void *extra_args) 1656 { 1657 struct iavf_devargs *devargs = extra_args; 1658 1659 if (!value || !extra_args) 1660 return -EINVAL; 1661 1662 if (iavf_parse_queue_proto_xtr(value, devargs) < 0) { 1663 PMD_DRV_LOG(ERR, "the proto_xtr's parameter is wrong : '%s'", 1664 value); 1665 return -1; 1666 } 1667 1668 return 0; 1669 } 1670 1671 static int iavf_parse_devargs(struct rte_eth_dev *dev) 1672 { 1673 struct iavf_adapter *ad = 1674 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1675 struct rte_devargs *devargs = dev->device->devargs; 1676 struct rte_kvargs *kvlist; 1677 int ret; 1678 1679 if (!devargs) 1680 return 0; 1681 1682 kvlist = rte_kvargs_parse(devargs->args, iavf_valid_args); 1683 if (!kvlist) { 1684 PMD_INIT_LOG(ERR, "invalid kvargs key\n"); 1685 return -EINVAL; 1686 } 1687 1688 ad->devargs.proto_xtr_dflt = IAVF_PROTO_XTR_NONE; 1689 memset(ad->devargs.proto_xtr, IAVF_PROTO_XTR_NONE, 1690 sizeof(ad->devargs.proto_xtr)); 1691 1692 ret = rte_kvargs_process(kvlist, IAVF_PROTO_XTR_ARG, 1693 &iavf_handle_proto_xtr_arg, &ad->devargs); 1694 if (ret) 1695 goto bail; 1696 1697 bail: 1698 rte_kvargs_free(kvlist); 1699 return ret; 1700 } 1701 1702 static void 1703 iavf_init_proto_xtr(struct rte_eth_dev *dev) 1704 { 1705 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1706 struct iavf_adapter *ad = 1707 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1708 const struct iavf_proto_xtr_ol *xtr_ol; 1709 bool proto_xtr_enable = false; 1710 int offset; 1711 uint16_t i; 1712 1713 vf->proto_xtr = rte_zmalloc("vf proto xtr", 1714 vf->vsi_res->num_queue_pairs, 0); 1715 if (unlikely(!(vf->proto_xtr))) { 1716 PMD_DRV_LOG(ERR, "no memory for setting up proto_xtr's table"); 1717 return; 1718 } 1719 1720 for (i = 0; i < vf->vsi_res->num_queue_pairs; i++) { 1721 vf->proto_xtr[i] = ad->devargs.proto_xtr[i] != 1722 IAVF_PROTO_XTR_NONE ? 1723 ad->devargs.proto_xtr[i] : 1724 ad->devargs.proto_xtr_dflt; 1725 1726 if (vf->proto_xtr[i] != IAVF_PROTO_XTR_NONE) { 1727 uint8_t type = vf->proto_xtr[i]; 1728 1729 iavf_proto_xtr_params[type].required = true; 1730 proto_xtr_enable = true; 1731 } 1732 } 1733 1734 if (likely(!proto_xtr_enable)) 1735 return; 1736 1737 offset = rte_mbuf_dynfield_register(&iavf_proto_xtr_metadata_param); 1738 if (unlikely(offset == -1)) { 1739 PMD_DRV_LOG(ERR, 1740 "failed to extract protocol metadata, error %d", 1741 -rte_errno); 1742 return; 1743 } 1744 1745 PMD_DRV_LOG(DEBUG, 1746 "proto_xtr metadata offset in mbuf is : %d", 1747 offset); 1748 rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = offset; 1749 1750 for (i = 0; i < RTE_DIM(iavf_proto_xtr_params); i++) { 1751 xtr_ol = &iavf_proto_xtr_params[i]; 1752 1753 uint8_t rxdid = iavf_proto_xtr_type_to_rxdid((uint8_t)i); 1754 1755 if (!xtr_ol->required) 1756 continue; 1757 1758 if (!(vf->supported_rxdid & BIT(rxdid))) { 1759 PMD_DRV_LOG(ERR, 1760 "rxdid[%u] is not supported in hardware", 1761 rxdid); 1762 rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = -1; 1763 break; 1764 } 1765 1766 offset = rte_mbuf_dynflag_register(&xtr_ol->param); 1767 if (unlikely(offset == -1)) { 1768 PMD_DRV_LOG(ERR, 1769 "failed to register proto_xtr offload '%s', error %d", 1770 xtr_ol->param.name, -rte_errno); 1771 1772 rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = -1; 1773 break; 1774 } 1775 1776 PMD_DRV_LOG(DEBUG, 1777 "proto_xtr offload '%s' offset in mbuf is : %d", 1778 xtr_ol->param.name, offset); 1779 *xtr_ol->ol_flag = 1ULL << offset; 1780 } 1781 } 1782 1783 static int 1784 iavf_init_vf(struct rte_eth_dev *dev) 1785 { 1786 int err, bufsz; 1787 struct iavf_adapter *adapter = 1788 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1789 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 1790 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1791 1792 err = iavf_parse_devargs(dev); 1793 if (err) { 1794 PMD_INIT_LOG(ERR, "Failed to parse devargs"); 1795 goto err; 1796 } 1797 1798 err = iavf_set_mac_type(hw); 1799 if (err) { 1800 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err); 1801 goto err; 1802 } 1803 1804 err = iavf_check_vf_reset_done(hw); 1805 if (err) { 1806 PMD_INIT_LOG(ERR, "VF is still resetting"); 1807 goto err; 1808 } 1809 1810 iavf_init_adminq_parameter(hw); 1811 err = iavf_init_adminq(hw); 1812 if (err) { 1813 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err); 1814 goto err; 1815 } 1816 1817 vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0); 1818 if (!vf->aq_resp) { 1819 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory"); 1820 goto err_aq; 1821 } 1822 if (iavf_check_api_version(adapter) != 0) { 1823 PMD_INIT_LOG(ERR, "check_api version failed"); 1824 goto err_api; 1825 } 1826 1827 bufsz = sizeof(struct virtchnl_vf_resource) + 1828 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource)); 1829 vf->vf_res = rte_zmalloc("vf_res", bufsz, 0); 1830 if (!vf->vf_res) { 1831 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory"); 1832 goto err_api; 1833 } 1834 if (iavf_get_vf_resource(adapter) != 0) { 1835 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed"); 1836 goto err_alloc; 1837 } 1838 /* Allocate memort for RSS info */ 1839 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { 1840 vf->rss_key = rte_zmalloc("rss_key", 1841 vf->vf_res->rss_key_size, 0); 1842 if (!vf->rss_key) { 1843 PMD_INIT_LOG(ERR, "unable to allocate rss_key memory"); 1844 goto err_rss; 1845 } 1846 vf->rss_lut = rte_zmalloc("rss_lut", 1847 vf->vf_res->rss_lut_size, 0); 1848 if (!vf->rss_lut) { 1849 PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory"); 1850 goto err_rss; 1851 } 1852 } 1853 1854 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) { 1855 if (iavf_get_supported_rxdid(adapter) != 0) { 1856 PMD_INIT_LOG(ERR, "failed to do get supported rxdid"); 1857 goto err_rss; 1858 } 1859 } 1860 1861 iavf_init_proto_xtr(dev); 1862 1863 return 0; 1864 err_rss: 1865 rte_free(vf->rss_key); 1866 rte_free(vf->rss_lut); 1867 err_alloc: 1868 rte_free(vf->vf_res); 1869 vf->vsi_res = NULL; 1870 err_api: 1871 rte_free(vf->aq_resp); 1872 err_aq: 1873 iavf_shutdown_adminq(hw); 1874 err: 1875 return -1; 1876 } 1877 1878 /* Enable default admin queue interrupt setting */ 1879 static inline void 1880 iavf_enable_irq0(struct iavf_hw *hw) 1881 { 1882 /* Enable admin queue interrupt trigger */ 1883 IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 1884 IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK); 1885 1886 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01, 1887 IAVF_VFINT_DYN_CTL01_INTENA_MASK | 1888 IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK | 1889 IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK); 1890 1891 IAVF_WRITE_FLUSH(hw); 1892 } 1893 1894 static inline void 1895 iavf_disable_irq0(struct iavf_hw *hw) 1896 { 1897 /* Disable all interrupt types */ 1898 IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0); 1899 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01, 1900 IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK); 1901 IAVF_WRITE_FLUSH(hw); 1902 } 1903 1904 static void 1905 iavf_dev_interrupt_handler(void *param) 1906 { 1907 struct rte_eth_dev *dev = (struct rte_eth_dev *)param; 1908 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 1909 1910 iavf_disable_irq0(hw); 1911 1912 iavf_handle_virtchnl_msg(dev); 1913 1914 iavf_enable_irq0(hw); 1915 } 1916 1917 static int 1918 iavf_dev_filter_ctrl(struct rte_eth_dev *dev, 1919 enum rte_filter_type filter_type, 1920 enum rte_filter_op filter_op, 1921 void *arg) 1922 { 1923 int ret = 0; 1924 1925 if (!dev) 1926 return -EINVAL; 1927 1928 switch (filter_type) { 1929 case RTE_ETH_FILTER_GENERIC: 1930 if (filter_op != RTE_ETH_FILTER_GET) 1931 return -EINVAL; 1932 *(const void **)arg = &iavf_flow_ops; 1933 break; 1934 default: 1935 PMD_DRV_LOG(WARNING, "Filter type (%d) not supported", 1936 filter_type); 1937 ret = -EINVAL; 1938 break; 1939 } 1940 1941 return ret; 1942 } 1943 1944 1945 static int 1946 iavf_dev_init(struct rte_eth_dev *eth_dev) 1947 { 1948 struct iavf_adapter *adapter = 1949 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private); 1950 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter); 1951 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); 1952 int ret = 0; 1953 1954 PMD_INIT_FUNC_TRACE(); 1955 1956 /* assign ops func pointer */ 1957 eth_dev->dev_ops = &iavf_eth_dev_ops; 1958 eth_dev->rx_queue_count = iavf_dev_rxq_count; 1959 eth_dev->rx_descriptor_status = iavf_dev_rx_desc_status; 1960 eth_dev->tx_descriptor_status = iavf_dev_tx_desc_status; 1961 eth_dev->rx_pkt_burst = &iavf_recv_pkts; 1962 eth_dev->tx_pkt_burst = &iavf_xmit_pkts; 1963 eth_dev->tx_pkt_prepare = &iavf_prep_pkts; 1964 1965 /* For secondary processes, we don't initialise any further as primary 1966 * has already done this work. Only check if we need a different RX 1967 * and TX function. 1968 */ 1969 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 1970 iavf_set_rx_function(eth_dev); 1971 iavf_set_tx_function(eth_dev); 1972 return 0; 1973 } 1974 rte_eth_copy_pci_info(eth_dev, pci_dev); 1975 eth_dev->data->dev_flags |= RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS; 1976 1977 hw->vendor_id = pci_dev->id.vendor_id; 1978 hw->device_id = pci_dev->id.device_id; 1979 hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; 1980 hw->subsystem_device_id = pci_dev->id.subsystem_device_id; 1981 hw->bus.bus_id = pci_dev->addr.bus; 1982 hw->bus.device = pci_dev->addr.devid; 1983 hw->bus.func = pci_dev->addr.function; 1984 hw->hw_addr = (void *)pci_dev->mem_resource[0].addr; 1985 hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private); 1986 adapter->eth_dev = eth_dev; 1987 adapter->stopped = 1; 1988 1989 if (iavf_init_vf(eth_dev) != 0) { 1990 PMD_INIT_LOG(ERR, "Init vf failed"); 1991 return -1; 1992 } 1993 1994 /* set default ptype table */ 1995 adapter->ptype_tbl = iavf_get_default_ptype_table(); 1996 1997 /* copy mac addr */ 1998 eth_dev->data->mac_addrs = rte_zmalloc( 1999 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0); 2000 if (!eth_dev->data->mac_addrs) { 2001 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to" 2002 " store MAC addresses", 2003 RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX); 2004 return -ENOMEM; 2005 } 2006 /* If the MAC address is not configured by host, 2007 * generate a random one. 2008 */ 2009 if (!rte_is_valid_assigned_ether_addr( 2010 (struct rte_ether_addr *)hw->mac.addr)) 2011 rte_eth_random_addr(hw->mac.addr); 2012 rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr, 2013 ð_dev->data->mac_addrs[0]); 2014 2015 /* register callback func to eal lib */ 2016 rte_intr_callback_register(&pci_dev->intr_handle, 2017 iavf_dev_interrupt_handler, 2018 (void *)eth_dev); 2019 2020 /* enable uio intr after callback register */ 2021 rte_intr_enable(&pci_dev->intr_handle); 2022 2023 /* configure and enable device interrupt */ 2024 iavf_enable_irq0(hw); 2025 2026 ret = iavf_flow_init(adapter); 2027 if (ret) { 2028 PMD_INIT_LOG(ERR, "Failed to initialize flow"); 2029 return ret; 2030 } 2031 2032 return 0; 2033 } 2034 2035 static int 2036 iavf_dev_close(struct rte_eth_dev *dev) 2037 { 2038 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 2039 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 2040 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; 2041 struct iavf_adapter *adapter = 2042 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 2043 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 2044 int ret; 2045 2046 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 2047 return 0; 2048 2049 ret = iavf_dev_stop(dev); 2050 2051 iavf_flow_flush(dev, NULL); 2052 iavf_flow_uninit(adapter); 2053 2054 /* 2055 * disable promiscuous mode before reset vf 2056 * it is a workaround solution when work with kernel driver 2057 * and it is not the normal way 2058 */ 2059 if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled) 2060 iavf_config_promisc(adapter, false, false); 2061 2062 iavf_shutdown_adminq(hw); 2063 /* disable uio intr before callback unregister */ 2064 rte_intr_disable(intr_handle); 2065 2066 /* unregister callback func from eal lib */ 2067 rte_intr_callback_unregister(intr_handle, 2068 iavf_dev_interrupt_handler, dev); 2069 iavf_disable_irq0(hw); 2070 2071 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { 2072 if (vf->rss_lut) { 2073 rte_free(vf->rss_lut); 2074 vf->rss_lut = NULL; 2075 } 2076 if (vf->rss_key) { 2077 rte_free(vf->rss_key); 2078 vf->rss_key = NULL; 2079 } 2080 } 2081 2082 rte_free(vf->vf_res); 2083 vf->vsi_res = NULL; 2084 vf->vf_res = NULL; 2085 2086 rte_free(vf->aq_resp); 2087 vf->aq_resp = NULL; 2088 2089 vf->vf_reset = false; 2090 2091 return ret; 2092 } 2093 2094 static int 2095 iavf_dev_uninit(struct rte_eth_dev *dev) 2096 { 2097 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 2098 return -EPERM; 2099 2100 iavf_dev_close(dev); 2101 2102 return 0; 2103 } 2104 2105 /* 2106 * Reset VF device only to re-initialize resources in PMD layer 2107 */ 2108 static int 2109 iavf_dev_reset(struct rte_eth_dev *dev) 2110 { 2111 int ret; 2112 2113 ret = iavf_dev_uninit(dev); 2114 if (ret) 2115 return ret; 2116 2117 return iavf_dev_init(dev); 2118 } 2119 2120 static int 2121 iavf_dcf_cap_check_handler(__rte_unused const char *key, 2122 const char *value, __rte_unused void *opaque) 2123 { 2124 if (strcmp(value, "dcf")) 2125 return -1; 2126 2127 return 0; 2128 } 2129 2130 static int 2131 iavf_dcf_cap_selected(struct rte_devargs *devargs) 2132 { 2133 struct rte_kvargs *kvlist; 2134 const char *key = "cap"; 2135 int ret = 0; 2136 2137 if (devargs == NULL) 2138 return 0; 2139 2140 kvlist = rte_kvargs_parse(devargs->args, NULL); 2141 if (kvlist == NULL) 2142 return 0; 2143 2144 if (!rte_kvargs_count(kvlist, key)) 2145 goto exit; 2146 2147 /* dcf capability selected when there's a key-value pair: cap=dcf */ 2148 if (rte_kvargs_process(kvlist, key, 2149 iavf_dcf_cap_check_handler, NULL) < 0) 2150 goto exit; 2151 2152 ret = 1; 2153 2154 exit: 2155 rte_kvargs_free(kvlist); 2156 return ret; 2157 } 2158 2159 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2160 struct rte_pci_device *pci_dev) 2161 { 2162 if (iavf_dcf_cap_selected(pci_dev->device.devargs)) 2163 return 1; 2164 2165 return rte_eth_dev_pci_generic_probe(pci_dev, 2166 sizeof(struct iavf_adapter), iavf_dev_init); 2167 } 2168 2169 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev) 2170 { 2171 return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit); 2172 } 2173 2174 /* Adaptive virtual function driver struct */ 2175 static struct rte_pci_driver rte_iavf_pmd = { 2176 .id_table = pci_id_iavf_map, 2177 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 2178 .probe = eth_iavf_pci_probe, 2179 .remove = eth_iavf_pci_remove, 2180 }; 2181 2182 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd); 2183 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map); 2184 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci"); 2185 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf"); 2186 RTE_LOG_REGISTER(iavf_logtype_init, pmd.net.iavf.init, NOTICE); 2187 RTE_LOG_REGISTER(iavf_logtype_driver, pmd.net.iavf.driver, NOTICE); 2188 #ifdef RTE_LIBRTE_IAVF_DEBUG_RX 2189 RTE_LOG_REGISTER(iavf_logtype_rx, pmd.net.iavf.rx, DEBUG); 2190 #endif 2191 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX 2192 RTE_LOG_REGISTER(iavf_logtype_tx, pmd.net.iavf.tx, DEBUG); 2193 #endif 2194 #ifdef RTE_LIBRTE_IAVF_DEBUG_TX_FREE 2195 RTE_LOG_REGISTER(iavf_logtype_tx_free, pmd.net.iavf.tx_free, DEBUG); 2196 #endif 2197