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_alarm.h> 20 #include <rte_atomic.h> 21 #include <rte_eal.h> 22 #include <rte_ether.h> 23 #include <ethdev_driver.h> 24 #include <ethdev_pci.h> 25 #include <rte_malloc.h> 26 #include <rte_memzone.h> 27 #include <rte_dev.h> 28 29 #include "iavf.h" 30 #include "iavf_rxtx.h" 31 #include "iavf_generic_flow.h" 32 #include "rte_pmd_iavf.h" 33 34 /* devargs */ 35 #define IAVF_PROTO_XTR_ARG "proto_xtr" 36 37 static const char * const iavf_valid_args[] = { 38 IAVF_PROTO_XTR_ARG, 39 NULL 40 }; 41 42 static const struct rte_mbuf_dynfield iavf_proto_xtr_metadata_param = { 43 .name = "intel_pmd_dynfield_proto_xtr_metadata", 44 .size = sizeof(uint32_t), 45 .align = __alignof__(uint32_t), 46 .flags = 0, 47 }; 48 49 struct iavf_proto_xtr_ol { 50 const struct rte_mbuf_dynflag param; 51 uint64_t *ol_flag; 52 bool required; 53 }; 54 55 static struct iavf_proto_xtr_ol iavf_proto_xtr_params[] = { 56 [IAVF_PROTO_XTR_VLAN] = { 57 .param = { .name = "intel_pmd_dynflag_proto_xtr_vlan" }, 58 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_vlan_mask }, 59 [IAVF_PROTO_XTR_IPV4] = { 60 .param = { .name = "intel_pmd_dynflag_proto_xtr_ipv4" }, 61 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv4_mask }, 62 [IAVF_PROTO_XTR_IPV6] = { 63 .param = { .name = "intel_pmd_dynflag_proto_xtr_ipv6" }, 64 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv6_mask }, 65 [IAVF_PROTO_XTR_IPV6_FLOW] = { 66 .param = { .name = "intel_pmd_dynflag_proto_xtr_ipv6_flow" }, 67 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ipv6_flow_mask }, 68 [IAVF_PROTO_XTR_TCP] = { 69 .param = { .name = "intel_pmd_dynflag_proto_xtr_tcp" }, 70 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_tcp_mask }, 71 [IAVF_PROTO_XTR_IP_OFFSET] = { 72 .param = { .name = "intel_pmd_dynflag_proto_xtr_ip_offset" }, 73 .ol_flag = &rte_pmd_ifd_dynflag_proto_xtr_ip_offset_mask }, 74 }; 75 76 static int iavf_dev_configure(struct rte_eth_dev *dev); 77 static int iavf_dev_start(struct rte_eth_dev *dev); 78 static int iavf_dev_stop(struct rte_eth_dev *dev); 79 static int iavf_dev_close(struct rte_eth_dev *dev); 80 static int iavf_dev_reset(struct rte_eth_dev *dev); 81 static int iavf_dev_info_get(struct rte_eth_dev *dev, 82 struct rte_eth_dev_info *dev_info); 83 static const uint32_t *iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev); 84 static int iavf_dev_stats_get(struct rte_eth_dev *dev, 85 struct rte_eth_stats *stats); 86 static int iavf_dev_stats_reset(struct rte_eth_dev *dev); 87 static int iavf_dev_xstats_get(struct rte_eth_dev *dev, 88 struct rte_eth_xstat *xstats, unsigned int n); 89 static int iavf_dev_xstats_get_names(struct rte_eth_dev *dev, 90 struct rte_eth_xstat_name *xstats_names, 91 unsigned int limit); 92 static int iavf_dev_promiscuous_enable(struct rte_eth_dev *dev); 93 static int iavf_dev_promiscuous_disable(struct rte_eth_dev *dev); 94 static int iavf_dev_allmulticast_enable(struct rte_eth_dev *dev); 95 static int iavf_dev_allmulticast_disable(struct rte_eth_dev *dev); 96 static int iavf_dev_add_mac_addr(struct rte_eth_dev *dev, 97 struct rte_ether_addr *addr, 98 uint32_t index, 99 uint32_t pool); 100 static void iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index); 101 static int iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, 102 uint16_t vlan_id, int on); 103 static int iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask); 104 static int iavf_dev_rss_reta_update(struct rte_eth_dev *dev, 105 struct rte_eth_rss_reta_entry64 *reta_conf, 106 uint16_t reta_size); 107 static int iavf_dev_rss_reta_query(struct rte_eth_dev *dev, 108 struct rte_eth_rss_reta_entry64 *reta_conf, 109 uint16_t reta_size); 110 static int iavf_dev_rss_hash_update(struct rte_eth_dev *dev, 111 struct rte_eth_rss_conf *rss_conf); 112 static int iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 113 struct rte_eth_rss_conf *rss_conf); 114 static int iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu); 115 static int iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev, 116 struct rte_ether_addr *mac_addr); 117 static int iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, 118 uint16_t queue_id); 119 static int iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, 120 uint16_t queue_id); 121 static int iavf_dev_flow_ops_get(struct rte_eth_dev *dev, 122 const struct rte_flow_ops **ops); 123 static int iavf_set_mc_addr_list(struct rte_eth_dev *dev, 124 struct rte_ether_addr *mc_addrs, 125 uint32_t mc_addrs_num); 126 static int iavf_tm_ops_get(struct rte_eth_dev *dev __rte_unused, void *arg); 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 { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_VF) }, 131 { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_VF_HV) }, 132 { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_X722_VF) }, 133 { RTE_PCI_DEVICE(IAVF_INTEL_VENDOR_ID, IAVF_DEV_ID_X722_A0_VF) }, 134 { .vendor_id = 0, /* sentinel */ }, 135 }; 136 137 struct rte_iavf_xstats_name_off { 138 char name[RTE_ETH_XSTATS_NAME_SIZE]; 139 unsigned int offset; 140 }; 141 142 static const struct rte_iavf_xstats_name_off rte_iavf_stats_strings[] = { 143 {"rx_bytes", offsetof(struct iavf_eth_stats, rx_bytes)}, 144 {"rx_unicast_packets", offsetof(struct iavf_eth_stats, rx_unicast)}, 145 {"rx_multicast_packets", offsetof(struct iavf_eth_stats, rx_multicast)}, 146 {"rx_broadcast_packets", offsetof(struct iavf_eth_stats, rx_broadcast)}, 147 {"rx_dropped_packets", offsetof(struct iavf_eth_stats, rx_discards)}, 148 {"rx_unknown_protocol_packets", offsetof(struct iavf_eth_stats, 149 rx_unknown_protocol)}, 150 {"tx_bytes", offsetof(struct iavf_eth_stats, tx_bytes)}, 151 {"tx_unicast_packets", offsetof(struct iavf_eth_stats, tx_unicast)}, 152 {"tx_multicast_packets", offsetof(struct iavf_eth_stats, tx_multicast)}, 153 {"tx_broadcast_packets", offsetof(struct iavf_eth_stats, tx_broadcast)}, 154 {"tx_dropped_packets", offsetof(struct iavf_eth_stats, tx_discards)}, 155 {"tx_error_packets", offsetof(struct iavf_eth_stats, tx_errors)}, 156 }; 157 158 #define IAVF_NB_XSTATS (sizeof(rte_iavf_stats_strings) / \ 159 sizeof(rte_iavf_stats_strings[0])) 160 161 static const struct eth_dev_ops iavf_eth_dev_ops = { 162 .dev_configure = iavf_dev_configure, 163 .dev_start = iavf_dev_start, 164 .dev_stop = iavf_dev_stop, 165 .dev_close = iavf_dev_close, 166 .dev_reset = iavf_dev_reset, 167 .dev_infos_get = iavf_dev_info_get, 168 .dev_supported_ptypes_get = iavf_dev_supported_ptypes_get, 169 .link_update = iavf_dev_link_update, 170 .stats_get = iavf_dev_stats_get, 171 .stats_reset = iavf_dev_stats_reset, 172 .xstats_get = iavf_dev_xstats_get, 173 .xstats_get_names = iavf_dev_xstats_get_names, 174 .xstats_reset = iavf_dev_stats_reset, 175 .promiscuous_enable = iavf_dev_promiscuous_enable, 176 .promiscuous_disable = iavf_dev_promiscuous_disable, 177 .allmulticast_enable = iavf_dev_allmulticast_enable, 178 .allmulticast_disable = iavf_dev_allmulticast_disable, 179 .mac_addr_add = iavf_dev_add_mac_addr, 180 .mac_addr_remove = iavf_dev_del_mac_addr, 181 .set_mc_addr_list = iavf_set_mc_addr_list, 182 .vlan_filter_set = iavf_dev_vlan_filter_set, 183 .vlan_offload_set = iavf_dev_vlan_offload_set, 184 .rx_queue_start = iavf_dev_rx_queue_start, 185 .rx_queue_stop = iavf_dev_rx_queue_stop, 186 .tx_queue_start = iavf_dev_tx_queue_start, 187 .tx_queue_stop = iavf_dev_tx_queue_stop, 188 .rx_queue_setup = iavf_dev_rx_queue_setup, 189 .rx_queue_release = iavf_dev_rx_queue_release, 190 .tx_queue_setup = iavf_dev_tx_queue_setup, 191 .tx_queue_release = iavf_dev_tx_queue_release, 192 .mac_addr_set = iavf_dev_set_default_mac_addr, 193 .reta_update = iavf_dev_rss_reta_update, 194 .reta_query = iavf_dev_rss_reta_query, 195 .rss_hash_update = iavf_dev_rss_hash_update, 196 .rss_hash_conf_get = iavf_dev_rss_hash_conf_get, 197 .rxq_info_get = iavf_dev_rxq_info_get, 198 .txq_info_get = iavf_dev_txq_info_get, 199 .mtu_set = iavf_dev_mtu_set, 200 .rx_queue_intr_enable = iavf_dev_rx_queue_intr_enable, 201 .rx_queue_intr_disable = iavf_dev_rx_queue_intr_disable, 202 .flow_ops_get = iavf_dev_flow_ops_get, 203 .tx_done_cleanup = iavf_dev_tx_done_cleanup, 204 .get_monitor_addr = iavf_get_monitor_addr, 205 .tm_ops_get = iavf_tm_ops_get, 206 }; 207 208 static int 209 iavf_tm_ops_get(struct rte_eth_dev *dev __rte_unused, 210 void *arg) 211 { 212 if (!arg) 213 return -EINVAL; 214 215 *(const void **)arg = &iavf_tm_ops; 216 217 return 0; 218 } 219 220 static int 221 iavf_set_mc_addr_list(struct rte_eth_dev *dev, 222 struct rte_ether_addr *mc_addrs, 223 uint32_t mc_addrs_num) 224 { 225 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 226 struct iavf_adapter *adapter = 227 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 228 int err, ret; 229 230 if (mc_addrs_num > IAVF_NUM_MACADDR_MAX) { 231 PMD_DRV_LOG(ERR, 232 "can't add more than a limited number (%u) of addresses.", 233 (uint32_t)IAVF_NUM_MACADDR_MAX); 234 return -EINVAL; 235 } 236 237 /* flush previous addresses */ 238 err = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num, 239 false); 240 if (err) 241 return err; 242 243 /* add new ones */ 244 err = iavf_add_del_mc_addr_list(adapter, mc_addrs, mc_addrs_num, true); 245 246 if (err) { 247 /* if adding mac address list fails, should add the previous 248 * addresses back. 249 */ 250 ret = iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, 251 vf->mc_addrs_num, true); 252 if (ret) 253 return ret; 254 } else { 255 vf->mc_addrs_num = mc_addrs_num; 256 memcpy(vf->mc_addrs, 257 mc_addrs, mc_addrs_num * sizeof(*mc_addrs)); 258 } 259 260 return err; 261 } 262 263 static void 264 iavf_config_rss_hf(struct iavf_adapter *adapter, uint64_t rss_hf) 265 { 266 static const uint64_t map_hena_rss[] = { 267 /* IPv4 */ 268 [IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV4_UDP] = 269 ETH_RSS_NONFRAG_IPV4_UDP, 270 [IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV4_UDP] = 271 ETH_RSS_NONFRAG_IPV4_UDP, 272 [IAVF_FILTER_PCTYPE_NONF_IPV4_UDP] = 273 ETH_RSS_NONFRAG_IPV4_UDP, 274 [IAVF_FILTER_PCTYPE_NONF_IPV4_TCP_SYN_NO_ACK] = 275 ETH_RSS_NONFRAG_IPV4_TCP, 276 [IAVF_FILTER_PCTYPE_NONF_IPV4_TCP] = 277 ETH_RSS_NONFRAG_IPV4_TCP, 278 [IAVF_FILTER_PCTYPE_NONF_IPV4_SCTP] = 279 ETH_RSS_NONFRAG_IPV4_SCTP, 280 [IAVF_FILTER_PCTYPE_NONF_IPV4_OTHER] = 281 ETH_RSS_NONFRAG_IPV4_OTHER, 282 [IAVF_FILTER_PCTYPE_FRAG_IPV4] = ETH_RSS_FRAG_IPV4, 283 284 /* IPv6 */ 285 [IAVF_FILTER_PCTYPE_NONF_UNICAST_IPV6_UDP] = 286 ETH_RSS_NONFRAG_IPV6_UDP, 287 [IAVF_FILTER_PCTYPE_NONF_MULTICAST_IPV6_UDP] = 288 ETH_RSS_NONFRAG_IPV6_UDP, 289 [IAVF_FILTER_PCTYPE_NONF_IPV6_UDP] = 290 ETH_RSS_NONFRAG_IPV6_UDP, 291 [IAVF_FILTER_PCTYPE_NONF_IPV6_TCP_SYN_NO_ACK] = 292 ETH_RSS_NONFRAG_IPV6_TCP, 293 [IAVF_FILTER_PCTYPE_NONF_IPV6_TCP] = 294 ETH_RSS_NONFRAG_IPV6_TCP, 295 [IAVF_FILTER_PCTYPE_NONF_IPV6_SCTP] = 296 ETH_RSS_NONFRAG_IPV6_SCTP, 297 [IAVF_FILTER_PCTYPE_NONF_IPV6_OTHER] = 298 ETH_RSS_NONFRAG_IPV6_OTHER, 299 [IAVF_FILTER_PCTYPE_FRAG_IPV6] = ETH_RSS_FRAG_IPV6, 300 301 /* L2 Payload */ 302 [IAVF_FILTER_PCTYPE_L2_PAYLOAD] = ETH_RSS_L2_PAYLOAD 303 }; 304 305 const uint64_t ipv4_rss = ETH_RSS_NONFRAG_IPV4_UDP | 306 ETH_RSS_NONFRAG_IPV4_TCP | 307 ETH_RSS_NONFRAG_IPV4_SCTP | 308 ETH_RSS_NONFRAG_IPV4_OTHER | 309 ETH_RSS_FRAG_IPV4; 310 311 const uint64_t ipv6_rss = ETH_RSS_NONFRAG_IPV6_UDP | 312 ETH_RSS_NONFRAG_IPV6_TCP | 313 ETH_RSS_NONFRAG_IPV6_SCTP | 314 ETH_RSS_NONFRAG_IPV6_OTHER | 315 ETH_RSS_FRAG_IPV6; 316 317 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 318 uint64_t caps = 0, hena = 0, valid_rss_hf = 0; 319 uint32_t i; 320 int ret; 321 322 ret = iavf_get_hena_caps(adapter, &caps); 323 if (ret) { 324 /** 325 * RSS offload type configuration is not a necessary feature 326 * for VF, so here just print a warning and return. 327 */ 328 PMD_DRV_LOG(WARNING, 329 "fail to get RSS offload type caps, ret: %d", ret); 330 return; 331 } 332 333 /** 334 * ETH_RSS_IPV4 and ETH_RSS_IPV6 can be considered as 2 335 * generalizations of all other IPv4 and IPv6 RSS types. 336 */ 337 if (rss_hf & ETH_RSS_IPV4) 338 rss_hf |= ipv4_rss; 339 340 if (rss_hf & ETH_RSS_IPV6) 341 rss_hf |= ipv6_rss; 342 343 RTE_BUILD_BUG_ON(RTE_DIM(map_hena_rss) > sizeof(uint64_t) * CHAR_BIT); 344 345 for (i = 0; i < RTE_DIM(map_hena_rss); i++) { 346 uint64_t bit = BIT_ULL(i); 347 348 if ((caps & bit) && (map_hena_rss[i] & rss_hf)) { 349 valid_rss_hf |= map_hena_rss[i]; 350 hena |= bit; 351 } 352 } 353 354 ret = iavf_set_hena(adapter, hena); 355 if (ret) { 356 /** 357 * RSS offload type configuration is not a necessary feature 358 * for VF, so here just print a warning and return. 359 */ 360 PMD_DRV_LOG(WARNING, 361 "fail to set RSS offload types, ret: %d", ret); 362 return; 363 } 364 365 if (valid_rss_hf & ipv4_rss) 366 valid_rss_hf |= rss_hf & ETH_RSS_IPV4; 367 368 if (valid_rss_hf & ipv6_rss) 369 valid_rss_hf |= rss_hf & ETH_RSS_IPV6; 370 371 if (rss_hf & ~valid_rss_hf) 372 PMD_DRV_LOG(WARNING, "Unsupported rss_hf 0x%" PRIx64, 373 rss_hf & ~valid_rss_hf); 374 375 vf->rss_hf = valid_rss_hf; 376 } 377 378 static int 379 iavf_init_rss(struct iavf_adapter *adapter) 380 { 381 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 382 struct rte_eth_rss_conf *rss_conf; 383 uint16_t i, j, nb_q; 384 int ret; 385 386 rss_conf = &adapter->dev_data->dev_conf.rx_adv_conf.rss_conf; 387 nb_q = RTE_MIN(adapter->dev_data->nb_rx_queues, 388 vf->max_rss_qregion); 389 390 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) { 391 PMD_DRV_LOG(DEBUG, "RSS is not supported"); 392 return -ENOTSUP; 393 } 394 395 /* configure RSS key */ 396 if (!rss_conf->rss_key) { 397 /* Calculate the default hash key */ 398 for (i = 0; i < vf->vf_res->rss_key_size; i++) 399 vf->rss_key[i] = (uint8_t)rte_rand(); 400 } else 401 rte_memcpy(vf->rss_key, rss_conf->rss_key, 402 RTE_MIN(rss_conf->rss_key_len, 403 vf->vf_res->rss_key_size)); 404 405 /* init RSS LUT table */ 406 for (i = 0, j = 0; i < vf->vf_res->rss_lut_size; i++, j++) { 407 if (j >= nb_q) 408 j = 0; 409 vf->rss_lut[i] = j; 410 } 411 /* send virtchnnl ops to configure rss*/ 412 ret = iavf_configure_rss_lut(adapter); 413 if (ret) 414 return ret; 415 ret = iavf_configure_rss_key(adapter); 416 if (ret) 417 return ret; 418 419 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) { 420 /* Set RSS hash configuration based on rss_conf->rss_hf. */ 421 ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true); 422 if (ret) { 423 PMD_DRV_LOG(ERR, "fail to set default RSS"); 424 return ret; 425 } 426 } else { 427 iavf_config_rss_hf(adapter, rss_conf->rss_hf); 428 } 429 430 return 0; 431 } 432 433 static int 434 iavf_queues_req_reset(struct rte_eth_dev *dev, uint16_t num) 435 { 436 struct iavf_adapter *ad = 437 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 438 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad); 439 int ret; 440 441 ret = iavf_request_queues(dev, num); 442 if (ret) { 443 PMD_DRV_LOG(ERR, "request queues from PF failed"); 444 return ret; 445 } 446 PMD_DRV_LOG(INFO, "change queue pairs from %u to %u", 447 vf->vsi_res->num_queue_pairs, num); 448 449 ret = iavf_dev_reset(dev); 450 if (ret) { 451 PMD_DRV_LOG(ERR, "vf reset failed"); 452 return ret; 453 } 454 455 return 0; 456 } 457 458 static int 459 iavf_dev_vlan_insert_set(struct rte_eth_dev *dev) 460 { 461 struct iavf_adapter *adapter = 462 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 463 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 464 bool enable; 465 466 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2)) 467 return 0; 468 469 enable = !!(dev->data->dev_conf.txmode.offloads & 470 DEV_TX_OFFLOAD_VLAN_INSERT); 471 iavf_config_vlan_insert_v2(adapter, enable); 472 473 return 0; 474 } 475 476 static int 477 iavf_dev_init_vlan(struct rte_eth_dev *dev) 478 { 479 int err; 480 481 err = iavf_dev_vlan_offload_set(dev, 482 ETH_VLAN_STRIP_MASK | 483 ETH_QINQ_STRIP_MASK | 484 ETH_VLAN_FILTER_MASK | 485 ETH_VLAN_EXTEND_MASK); 486 if (err) { 487 PMD_DRV_LOG(ERR, "Failed to update vlan offload"); 488 return err; 489 } 490 491 err = iavf_dev_vlan_insert_set(dev); 492 if (err) 493 PMD_DRV_LOG(ERR, "Failed to update vlan insertion"); 494 495 return err; 496 } 497 498 static int 499 iavf_dev_configure(struct rte_eth_dev *dev) 500 { 501 struct iavf_adapter *ad = 502 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 503 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(ad); 504 uint16_t num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues, 505 dev->data->nb_tx_queues); 506 int ret; 507 508 ad->rx_bulk_alloc_allowed = true; 509 /* Initialize to TRUE. If any of Rx queues doesn't meet the 510 * vector Rx/Tx preconditions, it will be reset. 511 */ 512 ad->rx_vec_allowed = true; 513 ad->tx_vec_allowed = true; 514 515 if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) 516 dev->data->dev_conf.rxmode.offloads |= DEV_RX_OFFLOAD_RSS_HASH; 517 518 /* Large VF setting */ 519 if (num_queue_pairs > IAVF_MAX_NUM_QUEUES_DFLT) { 520 if (!(vf->vf_res->vf_cap_flags & 521 VIRTCHNL_VF_LARGE_NUM_QPAIRS)) { 522 PMD_DRV_LOG(ERR, "large VF is not supported"); 523 return -1; 524 } 525 526 if (num_queue_pairs > IAVF_MAX_NUM_QUEUES_LV) { 527 PMD_DRV_LOG(ERR, "queue pairs number cannot be larger than %u", 528 IAVF_MAX_NUM_QUEUES_LV); 529 return -1; 530 } 531 532 ret = iavf_queues_req_reset(dev, num_queue_pairs); 533 if (ret) 534 return ret; 535 536 ret = iavf_get_max_rss_queue_region(ad); 537 if (ret) { 538 PMD_INIT_LOG(ERR, "get max rss queue region failed"); 539 return ret; 540 } 541 542 vf->lv_enabled = true; 543 } else { 544 /* Check if large VF is already enabled. If so, disable and 545 * release redundant queue resource. 546 * Or check if enough queue pairs. If not, request them from PF. 547 */ 548 if (vf->lv_enabled || 549 num_queue_pairs > vf->vsi_res->num_queue_pairs) { 550 ret = iavf_queues_req_reset(dev, num_queue_pairs); 551 if (ret) 552 return ret; 553 554 vf->lv_enabled = false; 555 } 556 /* if large VF is not required, use default rss queue region */ 557 vf->max_rss_qregion = IAVF_MAX_NUM_QUEUES_DFLT; 558 } 559 560 ret = iavf_dev_init_vlan(dev); 561 if (ret) 562 PMD_DRV_LOG(ERR, "configure VLAN failed: %d", ret); 563 564 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { 565 if (iavf_init_rss(ad) != 0) { 566 PMD_DRV_LOG(ERR, "configure rss failed"); 567 return -1; 568 } 569 } 570 return 0; 571 } 572 573 static int 574 iavf_init_rxq(struct rte_eth_dev *dev, struct iavf_rx_queue *rxq) 575 { 576 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 577 struct rte_eth_dev_data *dev_data = dev->data; 578 uint16_t buf_size, max_pkt_len; 579 uint32_t frame_size = dev->data->mtu + IAVF_ETH_OVERHEAD; 580 581 buf_size = rte_pktmbuf_data_room_size(rxq->mp) - RTE_PKTMBUF_HEADROOM; 582 583 /* Calculate the maximum packet length allowed */ 584 max_pkt_len = RTE_MIN((uint32_t) 585 rxq->rx_buf_len * IAVF_MAX_CHAINED_RX_BUFFERS, 586 frame_size); 587 588 /* Check if the jumbo frame and maximum packet length are set 589 * correctly. 590 */ 591 if (dev->data->mtu & RTE_ETHER_MTU) { 592 if (max_pkt_len <= IAVF_ETH_MAX_LEN || 593 max_pkt_len > IAVF_FRAME_SIZE_MAX) { 594 PMD_DRV_LOG(ERR, "maximum packet length must be " 595 "larger than %u and smaller than %u, " 596 "as jumbo frame is enabled", 597 (uint32_t)IAVF_ETH_MAX_LEN, 598 (uint32_t)IAVF_FRAME_SIZE_MAX); 599 return -EINVAL; 600 } 601 } else { 602 if (max_pkt_len < RTE_ETHER_MIN_LEN || 603 max_pkt_len > IAVF_ETH_MAX_LEN) { 604 PMD_DRV_LOG(ERR, "maximum packet length must be " 605 "larger than %u and smaller than %u, " 606 "as jumbo frame is disabled", 607 (uint32_t)RTE_ETHER_MIN_LEN, 608 (uint32_t)IAVF_ETH_MAX_LEN); 609 return -EINVAL; 610 } 611 } 612 613 rxq->max_pkt_len = max_pkt_len; 614 if ((dev_data->dev_conf.rxmode.offloads & DEV_RX_OFFLOAD_SCATTER) || 615 rxq->max_pkt_len > buf_size) { 616 dev_data->scattered_rx = 1; 617 } 618 IAVF_PCI_REG_WRITE(rxq->qrx_tail, rxq->nb_rx_desc - 1); 619 IAVF_WRITE_FLUSH(hw); 620 621 return 0; 622 } 623 624 static int 625 iavf_init_queues(struct rte_eth_dev *dev) 626 { 627 struct iavf_rx_queue **rxq = 628 (struct iavf_rx_queue **)dev->data->rx_queues; 629 int i, ret = IAVF_SUCCESS; 630 631 for (i = 0; i < dev->data->nb_rx_queues; i++) { 632 if (!rxq[i] || !rxq[i]->q_set) 633 continue; 634 ret = iavf_init_rxq(dev, rxq[i]); 635 if (ret != IAVF_SUCCESS) 636 break; 637 } 638 /* set rx/tx function to vector/scatter/single-segment 639 * according to parameters 640 */ 641 iavf_set_rx_function(dev); 642 iavf_set_tx_function(dev); 643 644 return ret; 645 } 646 647 static int iavf_config_rx_queues_irqs(struct rte_eth_dev *dev, 648 struct rte_intr_handle *intr_handle) 649 { 650 struct iavf_adapter *adapter = 651 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 652 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 653 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter); 654 struct iavf_qv_map *qv_map; 655 uint16_t interval, i; 656 int vec; 657 658 if (rte_intr_cap_multiple(intr_handle) && 659 dev->data->dev_conf.intr_conf.rxq) { 660 if (rte_intr_efd_enable(intr_handle, dev->data->nb_rx_queues)) 661 return -1; 662 } 663 664 if (rte_intr_dp_is_en(intr_handle) && !intr_handle->intr_vec) { 665 intr_handle->intr_vec = 666 rte_zmalloc("intr_vec", 667 dev->data->nb_rx_queues * sizeof(int), 0); 668 if (!intr_handle->intr_vec) { 669 PMD_DRV_LOG(ERR, "Failed to allocate %d rx intr_vec", 670 dev->data->nb_rx_queues); 671 return -1; 672 } 673 } 674 675 qv_map = rte_zmalloc("qv_map", 676 dev->data->nb_rx_queues * sizeof(struct iavf_qv_map), 0); 677 if (!qv_map) { 678 PMD_DRV_LOG(ERR, "Failed to allocate %d queue-vector map", 679 dev->data->nb_rx_queues); 680 goto qv_map_alloc_err; 681 } 682 683 if (!dev->data->dev_conf.intr_conf.rxq || 684 !rte_intr_dp_is_en(intr_handle)) { 685 /* Rx interrupt disabled, Map interrupt only for writeback */ 686 vf->nb_msix = 1; 687 if (vf->vf_res->vf_cap_flags & 688 VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) { 689 /* If WB_ON_ITR supports, enable it */ 690 vf->msix_base = IAVF_RX_VEC_START; 691 /* Set the ITR for index zero, to 2us to make sure that 692 * we leave time for aggregation to occur, but don't 693 * increase latency dramatically. 694 */ 695 IAVF_WRITE_REG(hw, 696 IAVF_VFINT_DYN_CTLN1(vf->msix_base - 1), 697 (0 << IAVF_VFINT_DYN_CTLN1_ITR_INDX_SHIFT) | 698 IAVF_VFINT_DYN_CTLN1_WB_ON_ITR_MASK | 699 (2UL << IAVF_VFINT_DYN_CTLN1_INTERVAL_SHIFT)); 700 /* debug - check for success! the return value 701 * should be 2, offset is 0x2800 702 */ 703 /* IAVF_READ_REG(hw, IAVF_VFINT_ITRN1(0, 0)); */ 704 } else { 705 /* If no WB_ON_ITR offload flags, need to set 706 * interrupt for descriptor write back. 707 */ 708 vf->msix_base = IAVF_MISC_VEC_ID; 709 710 /* set ITR to default */ 711 interval = iavf_calc_itr_interval( 712 IAVF_QUEUE_ITR_INTERVAL_DEFAULT); 713 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01, 714 IAVF_VFINT_DYN_CTL01_INTENA_MASK | 715 (IAVF_ITR_INDEX_DEFAULT << 716 IAVF_VFINT_DYN_CTL01_ITR_INDX_SHIFT) | 717 (interval << 718 IAVF_VFINT_DYN_CTL01_INTERVAL_SHIFT)); 719 } 720 IAVF_WRITE_FLUSH(hw); 721 /* map all queues to the same interrupt */ 722 for (i = 0; i < dev->data->nb_rx_queues; i++) { 723 qv_map[i].queue_id = i; 724 qv_map[i].vector_id = vf->msix_base; 725 } 726 vf->qv_map = qv_map; 727 } else { 728 if (!rte_intr_allow_others(intr_handle)) { 729 vf->nb_msix = 1; 730 vf->msix_base = IAVF_MISC_VEC_ID; 731 for (i = 0; i < dev->data->nb_rx_queues; i++) { 732 qv_map[i].queue_id = i; 733 qv_map[i].vector_id = vf->msix_base; 734 intr_handle->intr_vec[i] = IAVF_MISC_VEC_ID; 735 } 736 vf->qv_map = qv_map; 737 PMD_DRV_LOG(DEBUG, 738 "vector %u are mapping to all Rx queues", 739 vf->msix_base); 740 } else { 741 /* If Rx interrupt is reuquired, and we can use 742 * multi interrupts, then the vec is from 1 743 */ 744 vf->nb_msix = RTE_MIN(intr_handle->nb_efd, 745 (uint16_t)(vf->vf_res->max_vectors - 1)); 746 vf->msix_base = IAVF_RX_VEC_START; 747 vec = IAVF_RX_VEC_START; 748 for (i = 0; i < dev->data->nb_rx_queues; i++) { 749 qv_map[i].queue_id = i; 750 qv_map[i].vector_id = vec; 751 intr_handle->intr_vec[i] = vec++; 752 if (vec >= vf->nb_msix + IAVF_RX_VEC_START) 753 vec = IAVF_RX_VEC_START; 754 } 755 vf->qv_map = qv_map; 756 PMD_DRV_LOG(DEBUG, 757 "%u vectors are mapping to %u Rx queues", 758 vf->nb_msix, dev->data->nb_rx_queues); 759 } 760 } 761 762 if (!vf->lv_enabled) { 763 if (iavf_config_irq_map(adapter)) { 764 PMD_DRV_LOG(ERR, "config interrupt mapping failed"); 765 goto config_irq_map_err; 766 } 767 } else { 768 uint16_t num_qv_maps = dev->data->nb_rx_queues; 769 uint16_t index = 0; 770 771 while (num_qv_maps > IAVF_IRQ_MAP_NUM_PER_BUF) { 772 if (iavf_config_irq_map_lv(adapter, 773 IAVF_IRQ_MAP_NUM_PER_BUF, index)) { 774 PMD_DRV_LOG(ERR, "config interrupt mapping for large VF failed"); 775 goto config_irq_map_err; 776 } 777 num_qv_maps -= IAVF_IRQ_MAP_NUM_PER_BUF; 778 index += IAVF_IRQ_MAP_NUM_PER_BUF; 779 } 780 781 if (iavf_config_irq_map_lv(adapter, num_qv_maps, index)) { 782 PMD_DRV_LOG(ERR, "config interrupt mapping for large VF failed"); 783 goto config_irq_map_err; 784 } 785 } 786 return 0; 787 788 config_irq_map_err: 789 rte_free(vf->qv_map); 790 vf->qv_map = NULL; 791 792 qv_map_alloc_err: 793 rte_free(intr_handle->intr_vec); 794 intr_handle->intr_vec = NULL; 795 796 return -1; 797 } 798 799 static int 800 iavf_start_queues(struct rte_eth_dev *dev) 801 { 802 struct iavf_rx_queue *rxq; 803 struct iavf_tx_queue *txq; 804 int i; 805 806 for (i = 0; i < dev->data->nb_tx_queues; i++) { 807 txq = dev->data->tx_queues[i]; 808 if (txq->tx_deferred_start) 809 continue; 810 if (iavf_dev_tx_queue_start(dev, i) != 0) { 811 PMD_DRV_LOG(ERR, "Fail to start queue %u", i); 812 return -1; 813 } 814 } 815 816 for (i = 0; i < dev->data->nb_rx_queues; i++) { 817 rxq = dev->data->rx_queues[i]; 818 if (rxq->rx_deferred_start) 819 continue; 820 if (iavf_dev_rx_queue_start(dev, i) != 0) { 821 PMD_DRV_LOG(ERR, "Fail to start queue %u", i); 822 return -1; 823 } 824 } 825 826 return 0; 827 } 828 829 static int 830 iavf_dev_start(struct rte_eth_dev *dev) 831 { 832 struct iavf_adapter *adapter = 833 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 834 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 835 struct rte_intr_handle *intr_handle = dev->intr_handle; 836 uint16_t num_queue_pairs; 837 uint16_t index = 0; 838 839 PMD_INIT_FUNC_TRACE(); 840 841 adapter->stopped = 0; 842 843 vf->max_pkt_len = dev->data->mtu + IAVF_ETH_OVERHEAD; 844 vf->num_queue_pairs = RTE_MAX(dev->data->nb_rx_queues, 845 dev->data->nb_tx_queues); 846 num_queue_pairs = vf->num_queue_pairs; 847 848 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS) 849 if (iavf_get_qos_cap(adapter)) { 850 PMD_INIT_LOG(ERR, "Failed to get qos capability"); 851 return -1; 852 } 853 854 if (iavf_init_queues(dev) != 0) { 855 PMD_DRV_LOG(ERR, "failed to do Queue init"); 856 return -1; 857 } 858 859 /* If needed, send configure queues msg multiple times to make the 860 * adminq buffer length smaller than the 4K limitation. 861 */ 862 while (num_queue_pairs > IAVF_CFG_Q_NUM_PER_BUF) { 863 if (iavf_configure_queues(adapter, 864 IAVF_CFG_Q_NUM_PER_BUF, index) != 0) { 865 PMD_DRV_LOG(ERR, "configure queues failed"); 866 goto err_queue; 867 } 868 num_queue_pairs -= IAVF_CFG_Q_NUM_PER_BUF; 869 index += IAVF_CFG_Q_NUM_PER_BUF; 870 } 871 872 if (iavf_configure_queues(adapter, num_queue_pairs, index) != 0) { 873 PMD_DRV_LOG(ERR, "configure queues failed"); 874 goto err_queue; 875 } 876 877 if (iavf_config_rx_queues_irqs(dev, intr_handle) != 0) { 878 PMD_DRV_LOG(ERR, "configure irq failed"); 879 goto err_queue; 880 } 881 /* re-enable intr again, because efd assign may change */ 882 if (dev->data->dev_conf.intr_conf.rxq != 0) { 883 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) 884 rte_intr_disable(intr_handle); 885 rte_intr_enable(intr_handle); 886 } 887 888 /* Set all mac addrs */ 889 iavf_add_del_all_mac_addr(adapter, true); 890 891 /* Set all multicast addresses */ 892 iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num, 893 true); 894 895 if (iavf_start_queues(dev) != 0) { 896 PMD_DRV_LOG(ERR, "enable queues failed"); 897 goto err_mac; 898 } 899 900 return 0; 901 902 err_mac: 903 iavf_add_del_all_mac_addr(adapter, false); 904 err_queue: 905 return -1; 906 } 907 908 static int 909 iavf_dev_stop(struct rte_eth_dev *dev) 910 { 911 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 912 struct iavf_adapter *adapter = 913 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 914 struct rte_intr_handle *intr_handle = dev->intr_handle; 915 916 PMD_INIT_FUNC_TRACE(); 917 918 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) && 919 dev->data->dev_conf.intr_conf.rxq != 0) 920 rte_intr_disable(intr_handle); 921 922 if (adapter->stopped == 1) 923 return 0; 924 925 iavf_stop_queues(dev); 926 927 /* Disable the interrupt for Rx */ 928 rte_intr_efd_disable(intr_handle); 929 /* Rx interrupt vector mapping free */ 930 if (intr_handle->intr_vec) { 931 rte_free(intr_handle->intr_vec); 932 intr_handle->intr_vec = NULL; 933 } 934 935 /* remove all mac addrs */ 936 iavf_add_del_all_mac_addr(adapter, false); 937 938 /* remove all multicast addresses */ 939 iavf_add_del_mc_addr_list(adapter, vf->mc_addrs, vf->mc_addrs_num, 940 false); 941 942 adapter->stopped = 1; 943 dev->data->dev_started = 0; 944 945 return 0; 946 } 947 948 static int 949 iavf_dev_info_get(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info) 950 { 951 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 952 953 dev_info->max_rx_queues = IAVF_MAX_NUM_QUEUES_LV; 954 dev_info->max_tx_queues = IAVF_MAX_NUM_QUEUES_LV; 955 dev_info->min_rx_bufsize = IAVF_BUF_SIZE_MIN; 956 dev_info->max_rx_pktlen = IAVF_FRAME_SIZE_MAX; 957 dev_info->max_mtu = dev_info->max_rx_pktlen - IAVF_ETH_OVERHEAD; 958 dev_info->min_mtu = RTE_ETHER_MIN_MTU; 959 dev_info->hash_key_size = vf->vf_res->rss_key_size; 960 dev_info->reta_size = vf->vf_res->rss_lut_size; 961 dev_info->flow_type_rss_offloads = IAVF_RSS_OFFLOAD_ALL; 962 dev_info->max_mac_addrs = IAVF_NUM_MACADDR_MAX; 963 dev_info->rx_offload_capa = 964 DEV_RX_OFFLOAD_VLAN_STRIP | 965 DEV_RX_OFFLOAD_QINQ_STRIP | 966 DEV_RX_OFFLOAD_IPV4_CKSUM | 967 DEV_RX_OFFLOAD_UDP_CKSUM | 968 DEV_RX_OFFLOAD_TCP_CKSUM | 969 DEV_RX_OFFLOAD_OUTER_IPV4_CKSUM | 970 DEV_RX_OFFLOAD_SCATTER | 971 DEV_RX_OFFLOAD_VLAN_FILTER | 972 DEV_RX_OFFLOAD_RSS_HASH; 973 974 dev_info->tx_offload_capa = 975 DEV_TX_OFFLOAD_VLAN_INSERT | 976 DEV_TX_OFFLOAD_QINQ_INSERT | 977 DEV_TX_OFFLOAD_IPV4_CKSUM | 978 DEV_TX_OFFLOAD_UDP_CKSUM | 979 DEV_TX_OFFLOAD_TCP_CKSUM | 980 DEV_TX_OFFLOAD_SCTP_CKSUM | 981 DEV_TX_OFFLOAD_OUTER_IPV4_CKSUM | 982 DEV_TX_OFFLOAD_TCP_TSO | 983 DEV_TX_OFFLOAD_VXLAN_TNL_TSO | 984 DEV_TX_OFFLOAD_GRE_TNL_TSO | 985 DEV_TX_OFFLOAD_IPIP_TNL_TSO | 986 DEV_TX_OFFLOAD_GENEVE_TNL_TSO | 987 DEV_TX_OFFLOAD_MULTI_SEGS | 988 DEV_TX_OFFLOAD_MBUF_FAST_FREE; 989 990 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_CRC) 991 dev_info->rx_offload_capa |= DEV_RX_OFFLOAD_KEEP_CRC; 992 993 dev_info->default_rxconf = (struct rte_eth_rxconf) { 994 .rx_free_thresh = IAVF_DEFAULT_RX_FREE_THRESH, 995 .rx_drop_en = 0, 996 .offloads = 0, 997 }; 998 999 dev_info->default_txconf = (struct rte_eth_txconf) { 1000 .tx_free_thresh = IAVF_DEFAULT_TX_FREE_THRESH, 1001 .tx_rs_thresh = IAVF_DEFAULT_TX_RS_THRESH, 1002 .offloads = 0, 1003 }; 1004 1005 dev_info->rx_desc_lim = (struct rte_eth_desc_lim) { 1006 .nb_max = IAVF_MAX_RING_DESC, 1007 .nb_min = IAVF_MIN_RING_DESC, 1008 .nb_align = IAVF_ALIGN_RING_DESC, 1009 }; 1010 1011 dev_info->tx_desc_lim = (struct rte_eth_desc_lim) { 1012 .nb_max = IAVF_MAX_RING_DESC, 1013 .nb_min = IAVF_MIN_RING_DESC, 1014 .nb_align = IAVF_ALIGN_RING_DESC, 1015 }; 1016 1017 return 0; 1018 } 1019 1020 static const uint32_t * 1021 iavf_dev_supported_ptypes_get(struct rte_eth_dev *dev __rte_unused) 1022 { 1023 static const uint32_t ptypes[] = { 1024 RTE_PTYPE_L2_ETHER, 1025 RTE_PTYPE_L3_IPV4_EXT_UNKNOWN, 1026 RTE_PTYPE_L4_FRAG, 1027 RTE_PTYPE_L4_ICMP, 1028 RTE_PTYPE_L4_NONFRAG, 1029 RTE_PTYPE_L4_SCTP, 1030 RTE_PTYPE_L4_TCP, 1031 RTE_PTYPE_L4_UDP, 1032 RTE_PTYPE_UNKNOWN 1033 }; 1034 return ptypes; 1035 } 1036 1037 int 1038 iavf_dev_link_update(struct rte_eth_dev *dev, 1039 __rte_unused int wait_to_complete) 1040 { 1041 struct rte_eth_link new_link; 1042 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1043 1044 memset(&new_link, 0, sizeof(new_link)); 1045 1046 /* Only read status info stored in VF, and the info is updated 1047 * when receive LINK_CHANGE evnet from PF by Virtchnnl. 1048 */ 1049 switch (vf->link_speed) { 1050 case 10: 1051 new_link.link_speed = ETH_SPEED_NUM_10M; 1052 break; 1053 case 100: 1054 new_link.link_speed = ETH_SPEED_NUM_100M; 1055 break; 1056 case 1000: 1057 new_link.link_speed = ETH_SPEED_NUM_1G; 1058 break; 1059 case 10000: 1060 new_link.link_speed = ETH_SPEED_NUM_10G; 1061 break; 1062 case 20000: 1063 new_link.link_speed = ETH_SPEED_NUM_20G; 1064 break; 1065 case 25000: 1066 new_link.link_speed = ETH_SPEED_NUM_25G; 1067 break; 1068 case 40000: 1069 new_link.link_speed = ETH_SPEED_NUM_40G; 1070 break; 1071 case 50000: 1072 new_link.link_speed = ETH_SPEED_NUM_50G; 1073 break; 1074 case 100000: 1075 new_link.link_speed = ETH_SPEED_NUM_100G; 1076 break; 1077 default: 1078 new_link.link_speed = ETH_SPEED_NUM_NONE; 1079 break; 1080 } 1081 1082 new_link.link_duplex = ETH_LINK_FULL_DUPLEX; 1083 new_link.link_status = vf->link_up ? ETH_LINK_UP : 1084 ETH_LINK_DOWN; 1085 new_link.link_autoneg = !(dev->data->dev_conf.link_speeds & 1086 ETH_LINK_SPEED_FIXED); 1087 1088 return rte_eth_linkstatus_set(dev, &new_link); 1089 } 1090 1091 static int 1092 iavf_dev_promiscuous_enable(struct rte_eth_dev *dev) 1093 { 1094 struct iavf_adapter *adapter = 1095 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1096 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1097 1098 return iavf_config_promisc(adapter, 1099 true, vf->promisc_multicast_enabled); 1100 } 1101 1102 static int 1103 iavf_dev_promiscuous_disable(struct rte_eth_dev *dev) 1104 { 1105 struct iavf_adapter *adapter = 1106 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1107 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1108 1109 return iavf_config_promisc(adapter, 1110 false, vf->promisc_multicast_enabled); 1111 } 1112 1113 static int 1114 iavf_dev_allmulticast_enable(struct rte_eth_dev *dev) 1115 { 1116 struct iavf_adapter *adapter = 1117 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1118 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1119 1120 return iavf_config_promisc(adapter, 1121 vf->promisc_unicast_enabled, true); 1122 } 1123 1124 static int 1125 iavf_dev_allmulticast_disable(struct rte_eth_dev *dev) 1126 { 1127 struct iavf_adapter *adapter = 1128 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1129 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1130 1131 return iavf_config_promisc(adapter, 1132 vf->promisc_unicast_enabled, false); 1133 } 1134 1135 static int 1136 iavf_dev_add_mac_addr(struct rte_eth_dev *dev, struct rte_ether_addr *addr, 1137 __rte_unused uint32_t index, 1138 __rte_unused uint32_t pool) 1139 { 1140 struct iavf_adapter *adapter = 1141 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1142 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1143 int err; 1144 1145 if (rte_is_zero_ether_addr(addr)) { 1146 PMD_DRV_LOG(ERR, "Invalid Ethernet Address"); 1147 return -EINVAL; 1148 } 1149 1150 err = iavf_add_del_eth_addr(adapter, addr, true, VIRTCHNL_ETHER_ADDR_EXTRA); 1151 if (err) { 1152 PMD_DRV_LOG(ERR, "fail to add MAC address"); 1153 return -EIO; 1154 } 1155 1156 vf->mac_num++; 1157 1158 return 0; 1159 } 1160 1161 static void 1162 iavf_dev_del_mac_addr(struct rte_eth_dev *dev, uint32_t index) 1163 { 1164 struct iavf_adapter *adapter = 1165 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1166 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1167 struct rte_ether_addr *addr; 1168 int err; 1169 1170 addr = &dev->data->mac_addrs[index]; 1171 1172 err = iavf_add_del_eth_addr(adapter, addr, false, VIRTCHNL_ETHER_ADDR_EXTRA); 1173 if (err) 1174 PMD_DRV_LOG(ERR, "fail to delete MAC address"); 1175 1176 vf->mac_num--; 1177 } 1178 1179 static int 1180 iavf_dev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on) 1181 { 1182 struct iavf_adapter *adapter = 1183 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1184 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1185 int err; 1186 1187 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2) { 1188 err = iavf_add_del_vlan_v2(adapter, vlan_id, on); 1189 if (err) 1190 return -EIO; 1191 return 0; 1192 } 1193 1194 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN)) 1195 return -ENOTSUP; 1196 1197 err = iavf_add_del_vlan(adapter, vlan_id, on); 1198 if (err) 1199 return -EIO; 1200 return 0; 1201 } 1202 1203 static void 1204 iavf_iterate_vlan_filters_v2(struct rte_eth_dev *dev, bool enable) 1205 { 1206 struct rte_vlan_filter_conf *vfc = &dev->data->vlan_filter_conf; 1207 struct iavf_adapter *adapter = 1208 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1209 uint32_t i, j; 1210 uint64_t ids; 1211 1212 for (i = 0; i < RTE_DIM(vfc->ids); i++) { 1213 if (vfc->ids[i] == 0) 1214 continue; 1215 1216 ids = vfc->ids[i]; 1217 for (j = 0; ids != 0 && j < 64; j++, ids >>= 1) { 1218 if (ids & 1) 1219 iavf_add_del_vlan_v2(adapter, 1220 64 * i + j, enable); 1221 } 1222 } 1223 } 1224 1225 static int 1226 iavf_dev_vlan_offload_set_v2(struct rte_eth_dev *dev, int mask) 1227 { 1228 struct rte_eth_rxmode *rxmode = &dev->data->dev_conf.rxmode; 1229 struct iavf_adapter *adapter = 1230 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1231 bool enable; 1232 int err; 1233 1234 if (mask & ETH_VLAN_FILTER_MASK) { 1235 enable = !!(rxmode->offloads & DEV_RX_OFFLOAD_VLAN_FILTER); 1236 1237 iavf_iterate_vlan_filters_v2(dev, enable); 1238 } 1239 1240 if (mask & ETH_VLAN_STRIP_MASK) { 1241 enable = !!(rxmode->offloads & DEV_RX_OFFLOAD_VLAN_STRIP); 1242 1243 err = iavf_config_vlan_strip_v2(adapter, enable); 1244 /* If not support, the stripping is already disabled by PF */ 1245 if (err == -ENOTSUP && !enable) 1246 err = 0; 1247 if (err) 1248 return -EIO; 1249 } 1250 1251 return 0; 1252 } 1253 1254 static int 1255 iavf_dev_vlan_offload_set(struct rte_eth_dev *dev, int mask) 1256 { 1257 struct iavf_adapter *adapter = 1258 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1259 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1260 struct rte_eth_conf *dev_conf = &dev->data->dev_conf; 1261 int err; 1262 1263 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2) 1264 return iavf_dev_vlan_offload_set_v2(dev, mask); 1265 1266 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN)) 1267 return -ENOTSUP; 1268 1269 /* Vlan stripping setting */ 1270 if (mask & ETH_VLAN_STRIP_MASK) { 1271 /* Enable or disable VLAN stripping */ 1272 if (dev_conf->rxmode.offloads & DEV_RX_OFFLOAD_VLAN_STRIP) 1273 err = iavf_enable_vlan_strip(adapter); 1274 else 1275 err = iavf_disable_vlan_strip(adapter); 1276 1277 if (err) 1278 return -EIO; 1279 } 1280 return 0; 1281 } 1282 1283 static int 1284 iavf_dev_rss_reta_update(struct rte_eth_dev *dev, 1285 struct rte_eth_rss_reta_entry64 *reta_conf, 1286 uint16_t reta_size) 1287 { 1288 struct iavf_adapter *adapter = 1289 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1290 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1291 uint8_t *lut; 1292 uint16_t i, idx, shift; 1293 int ret; 1294 1295 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) 1296 return -ENOTSUP; 1297 1298 if (reta_size != vf->vf_res->rss_lut_size) { 1299 PMD_DRV_LOG(ERR, "The size of hash lookup table configured " 1300 "(%d) doesn't match the number of hardware can " 1301 "support (%d)", reta_size, vf->vf_res->rss_lut_size); 1302 return -EINVAL; 1303 } 1304 1305 lut = rte_zmalloc("rss_lut", reta_size, 0); 1306 if (!lut) { 1307 PMD_DRV_LOG(ERR, "No memory can be allocated"); 1308 return -ENOMEM; 1309 } 1310 /* store the old lut table temporarily */ 1311 rte_memcpy(lut, vf->rss_lut, reta_size); 1312 1313 for (i = 0; i < reta_size; i++) { 1314 idx = i / RTE_RETA_GROUP_SIZE; 1315 shift = i % RTE_RETA_GROUP_SIZE; 1316 if (reta_conf[idx].mask & (1ULL << shift)) 1317 lut[i] = reta_conf[idx].reta[shift]; 1318 } 1319 1320 rte_memcpy(vf->rss_lut, lut, reta_size); 1321 /* send virtchnnl ops to configure rss*/ 1322 ret = iavf_configure_rss_lut(adapter); 1323 if (ret) /* revert back */ 1324 rte_memcpy(vf->rss_lut, lut, reta_size); 1325 rte_free(lut); 1326 1327 return ret; 1328 } 1329 1330 static int 1331 iavf_dev_rss_reta_query(struct rte_eth_dev *dev, 1332 struct rte_eth_rss_reta_entry64 *reta_conf, 1333 uint16_t reta_size) 1334 { 1335 struct iavf_adapter *adapter = 1336 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1337 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1338 uint16_t i, idx, shift; 1339 1340 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) 1341 return -ENOTSUP; 1342 1343 if (reta_size != vf->vf_res->rss_lut_size) { 1344 PMD_DRV_LOG(ERR, "The size of hash lookup table configured " 1345 "(%d) doesn't match the number of hardware can " 1346 "support (%d)", reta_size, vf->vf_res->rss_lut_size); 1347 return -EINVAL; 1348 } 1349 1350 for (i = 0; i < reta_size; i++) { 1351 idx = i / RTE_RETA_GROUP_SIZE; 1352 shift = i % RTE_RETA_GROUP_SIZE; 1353 if (reta_conf[idx].mask & (1ULL << shift)) 1354 reta_conf[idx].reta[shift] = vf->rss_lut[i]; 1355 } 1356 1357 return 0; 1358 } 1359 1360 static int 1361 iavf_set_rss_key(struct iavf_adapter *adapter, uint8_t *key, uint8_t key_len) 1362 { 1363 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1364 1365 /* HENA setting, it is enabled by default, no change */ 1366 if (!key || key_len == 0) { 1367 PMD_DRV_LOG(DEBUG, "No key to be configured"); 1368 return 0; 1369 } else if (key_len != vf->vf_res->rss_key_size) { 1370 PMD_DRV_LOG(ERR, "The size of hash key configured " 1371 "(%d) doesn't match the size of hardware can " 1372 "support (%d)", key_len, 1373 vf->vf_res->rss_key_size); 1374 return -EINVAL; 1375 } 1376 1377 rte_memcpy(vf->rss_key, key, key_len); 1378 1379 return iavf_configure_rss_key(adapter); 1380 } 1381 1382 static int 1383 iavf_dev_rss_hash_update(struct rte_eth_dev *dev, 1384 struct rte_eth_rss_conf *rss_conf) 1385 { 1386 struct iavf_adapter *adapter = 1387 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1388 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1389 int ret; 1390 1391 adapter->dev_data->dev_conf.rx_adv_conf.rss_conf = *rss_conf; 1392 1393 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) 1394 return -ENOTSUP; 1395 1396 /* Set hash key. */ 1397 ret = iavf_set_rss_key(adapter, rss_conf->rss_key, 1398 rss_conf->rss_key_len); 1399 if (ret) 1400 return ret; 1401 1402 if (rss_conf->rss_hf == 0) { 1403 vf->rss_hf = 0; 1404 ret = iavf_set_hena(adapter, 0); 1405 1406 /* It is a workaround, temporarily allow error to be returned 1407 * due to possible lack of PF handling for hena = 0. 1408 */ 1409 if (ret) 1410 PMD_DRV_LOG(WARNING, "fail to clean existing RSS, lack PF support"); 1411 return 0; 1412 } 1413 1414 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_ADV_RSS_PF) { 1415 /* Clear existing RSS. */ 1416 ret = iavf_set_hena(adapter, 0); 1417 1418 /* It is a workaround, temporarily allow error to be returned 1419 * due to possible lack of PF handling for hena = 0. 1420 */ 1421 if (ret) 1422 PMD_DRV_LOG(WARNING, "fail to clean existing RSS," 1423 "lack PF support"); 1424 1425 /* Set new RSS configuration. */ 1426 ret = iavf_rss_hash_set(adapter, rss_conf->rss_hf, true); 1427 if (ret) { 1428 PMD_DRV_LOG(ERR, "fail to set new RSS"); 1429 return ret; 1430 } 1431 } else { 1432 iavf_config_rss_hf(adapter, rss_conf->rss_hf); 1433 } 1434 1435 return 0; 1436 } 1437 1438 static int 1439 iavf_dev_rss_hash_conf_get(struct rte_eth_dev *dev, 1440 struct rte_eth_rss_conf *rss_conf) 1441 { 1442 struct iavf_adapter *adapter = 1443 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1444 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1445 1446 if (!(vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF)) 1447 return -ENOTSUP; 1448 1449 rss_conf->rss_hf = vf->rss_hf; 1450 1451 if (!rss_conf->rss_key) 1452 return 0; 1453 1454 rss_conf->rss_key_len = vf->vf_res->rss_key_size; 1455 rte_memcpy(rss_conf->rss_key, vf->rss_key, rss_conf->rss_key_len); 1456 1457 return 0; 1458 } 1459 1460 static int 1461 iavf_dev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu __rte_unused) 1462 { 1463 /* mtu setting is forbidden if port is start */ 1464 if (dev->data->dev_started) { 1465 PMD_DRV_LOG(ERR, "port must be stopped before configuration"); 1466 return -EBUSY; 1467 } 1468 1469 return 0; 1470 } 1471 1472 static int 1473 iavf_dev_set_default_mac_addr(struct rte_eth_dev *dev, 1474 struct rte_ether_addr *mac_addr) 1475 { 1476 struct iavf_adapter *adapter = 1477 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1478 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter); 1479 struct rte_ether_addr *old_addr; 1480 int ret; 1481 1482 old_addr = (struct rte_ether_addr *)hw->mac.addr; 1483 1484 if (rte_is_same_ether_addr(old_addr, mac_addr)) 1485 return 0; 1486 1487 ret = iavf_add_del_eth_addr(adapter, old_addr, false, VIRTCHNL_ETHER_ADDR_PRIMARY); 1488 if (ret) 1489 PMD_DRV_LOG(ERR, "Fail to delete old MAC:" 1490 RTE_ETHER_ADDR_PRT_FMT, 1491 RTE_ETHER_ADDR_BYTES(old_addr)); 1492 1493 ret = iavf_add_del_eth_addr(adapter, mac_addr, true, VIRTCHNL_ETHER_ADDR_PRIMARY); 1494 if (ret) 1495 PMD_DRV_LOG(ERR, "Fail to add new MAC:" 1496 RTE_ETHER_ADDR_PRT_FMT, 1497 RTE_ETHER_ADDR_BYTES(mac_addr)); 1498 1499 if (ret) 1500 return -EIO; 1501 1502 rte_ether_addr_copy(mac_addr, (struct rte_ether_addr *)hw->mac.addr); 1503 return 0; 1504 } 1505 1506 static void 1507 iavf_stat_update_48(uint64_t *offset, uint64_t *stat) 1508 { 1509 if (*stat >= *offset) 1510 *stat = *stat - *offset; 1511 else 1512 *stat = (uint64_t)((*stat + 1513 ((uint64_t)1 << IAVF_48_BIT_WIDTH)) - *offset); 1514 1515 *stat &= IAVF_48_BIT_MASK; 1516 } 1517 1518 static void 1519 iavf_stat_update_32(uint64_t *offset, uint64_t *stat) 1520 { 1521 if (*stat >= *offset) 1522 *stat = (uint64_t)(*stat - *offset); 1523 else 1524 *stat = (uint64_t)((*stat + 1525 ((uint64_t)1 << IAVF_32_BIT_WIDTH)) - *offset); 1526 } 1527 1528 static void 1529 iavf_update_stats(struct iavf_vsi *vsi, struct virtchnl_eth_stats *nes) 1530 { 1531 struct virtchnl_eth_stats *oes = &vsi->eth_stats_offset; 1532 1533 iavf_stat_update_48(&oes->rx_bytes, &nes->rx_bytes); 1534 iavf_stat_update_48(&oes->rx_unicast, &nes->rx_unicast); 1535 iavf_stat_update_48(&oes->rx_multicast, &nes->rx_multicast); 1536 iavf_stat_update_48(&oes->rx_broadcast, &nes->rx_broadcast); 1537 iavf_stat_update_32(&oes->rx_discards, &nes->rx_discards); 1538 iavf_stat_update_48(&oes->tx_bytes, &nes->tx_bytes); 1539 iavf_stat_update_48(&oes->tx_unicast, &nes->tx_unicast); 1540 iavf_stat_update_48(&oes->tx_multicast, &nes->tx_multicast); 1541 iavf_stat_update_48(&oes->tx_broadcast, &nes->tx_broadcast); 1542 iavf_stat_update_32(&oes->tx_errors, &nes->tx_errors); 1543 iavf_stat_update_32(&oes->tx_discards, &nes->tx_discards); 1544 } 1545 1546 static int 1547 iavf_dev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats) 1548 { 1549 struct iavf_adapter *adapter = 1550 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1551 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1552 struct iavf_vsi *vsi = &vf->vsi; 1553 struct virtchnl_eth_stats *pstats = NULL; 1554 int ret; 1555 1556 ret = iavf_query_stats(adapter, &pstats); 1557 if (ret == 0) { 1558 uint8_t crc_stats_len = (dev->data->dev_conf.rxmode.offloads & 1559 DEV_RX_OFFLOAD_KEEP_CRC) ? 0 : 1560 RTE_ETHER_CRC_LEN; 1561 iavf_update_stats(vsi, pstats); 1562 stats->ipackets = pstats->rx_unicast + pstats->rx_multicast + 1563 pstats->rx_broadcast - pstats->rx_discards; 1564 stats->opackets = pstats->tx_broadcast + pstats->tx_multicast + 1565 pstats->tx_unicast; 1566 stats->imissed = pstats->rx_discards; 1567 stats->oerrors = pstats->tx_errors + pstats->tx_discards; 1568 stats->ibytes = pstats->rx_bytes; 1569 stats->ibytes -= stats->ipackets * crc_stats_len; 1570 stats->obytes = pstats->tx_bytes; 1571 } else { 1572 PMD_DRV_LOG(ERR, "Get statistics failed"); 1573 } 1574 return ret; 1575 } 1576 1577 static int 1578 iavf_dev_stats_reset(struct rte_eth_dev *dev) 1579 { 1580 int ret; 1581 struct iavf_adapter *adapter = 1582 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1583 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1584 struct iavf_vsi *vsi = &vf->vsi; 1585 struct virtchnl_eth_stats *pstats = NULL; 1586 1587 /* read stat values to clear hardware registers */ 1588 ret = iavf_query_stats(adapter, &pstats); 1589 if (ret != 0) 1590 return ret; 1591 1592 /* set stats offset base on current values */ 1593 vsi->eth_stats_offset = *pstats; 1594 1595 return 0; 1596 } 1597 1598 static int iavf_dev_xstats_get_names(__rte_unused struct rte_eth_dev *dev, 1599 struct rte_eth_xstat_name *xstats_names, 1600 __rte_unused unsigned int limit) 1601 { 1602 unsigned int i; 1603 1604 if (xstats_names != NULL) 1605 for (i = 0; i < IAVF_NB_XSTATS; i++) { 1606 snprintf(xstats_names[i].name, 1607 sizeof(xstats_names[i].name), 1608 "%s", rte_iavf_stats_strings[i].name); 1609 } 1610 return IAVF_NB_XSTATS; 1611 } 1612 1613 static int iavf_dev_xstats_get(struct rte_eth_dev *dev, 1614 struct rte_eth_xstat *xstats, unsigned int n) 1615 { 1616 int ret; 1617 unsigned int i; 1618 struct iavf_adapter *adapter = 1619 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1620 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1621 struct iavf_vsi *vsi = &vf->vsi; 1622 struct virtchnl_eth_stats *pstats = NULL; 1623 1624 if (n < IAVF_NB_XSTATS) 1625 return IAVF_NB_XSTATS; 1626 1627 ret = iavf_query_stats(adapter, &pstats); 1628 if (ret != 0) 1629 return 0; 1630 1631 if (!xstats) 1632 return 0; 1633 1634 iavf_update_stats(vsi, pstats); 1635 1636 /* loop over xstats array and values from pstats */ 1637 for (i = 0; i < IAVF_NB_XSTATS; i++) { 1638 xstats[i].id = i; 1639 xstats[i].value = *(uint64_t *)(((char *)pstats) + 1640 rte_iavf_stats_strings[i].offset); 1641 } 1642 1643 return IAVF_NB_XSTATS; 1644 } 1645 1646 1647 static int 1648 iavf_dev_rx_queue_intr_enable(struct rte_eth_dev *dev, uint16_t queue_id) 1649 { 1650 struct iavf_adapter *adapter = 1651 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1652 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1653 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter); 1654 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 1655 uint16_t msix_intr; 1656 1657 msix_intr = pci_dev->intr_handle.intr_vec[queue_id]; 1658 if (msix_intr == IAVF_MISC_VEC_ID) { 1659 PMD_DRV_LOG(INFO, "MISC is also enabled for control"); 1660 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01, 1661 IAVF_VFINT_DYN_CTL01_INTENA_MASK | 1662 IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK | 1663 IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK); 1664 } else { 1665 IAVF_WRITE_REG(hw, 1666 IAVF_VFINT_DYN_CTLN1 1667 (msix_intr - IAVF_RX_VEC_START), 1668 IAVF_VFINT_DYN_CTLN1_INTENA_MASK | 1669 IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK | 1670 IAVF_VFINT_DYN_CTLN1_ITR_INDX_MASK); 1671 } 1672 1673 IAVF_WRITE_FLUSH(hw); 1674 1675 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) 1676 rte_intr_ack(&pci_dev->intr_handle); 1677 1678 return 0; 1679 } 1680 1681 static int 1682 iavf_dev_rx_queue_intr_disable(struct rte_eth_dev *dev, uint16_t queue_id) 1683 { 1684 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 1685 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 1686 uint16_t msix_intr; 1687 1688 msix_intr = pci_dev->intr_handle.intr_vec[queue_id]; 1689 if (msix_intr == IAVF_MISC_VEC_ID) { 1690 PMD_DRV_LOG(ERR, "MISC is used for control, cannot disable it"); 1691 return -EIO; 1692 } 1693 1694 IAVF_WRITE_REG(hw, 1695 IAVF_VFINT_DYN_CTLN1(msix_intr - IAVF_RX_VEC_START), 1696 0); 1697 1698 IAVF_WRITE_FLUSH(hw); 1699 return 0; 1700 } 1701 1702 static int 1703 iavf_check_vf_reset_done(struct iavf_hw *hw) 1704 { 1705 int i, reset; 1706 1707 for (i = 0; i < IAVF_RESET_WAIT_CNT; i++) { 1708 reset = IAVF_READ_REG(hw, IAVF_VFGEN_RSTAT) & 1709 IAVF_VFGEN_RSTAT_VFR_STATE_MASK; 1710 reset = reset >> IAVF_VFGEN_RSTAT_VFR_STATE_SHIFT; 1711 if (reset == VIRTCHNL_VFR_VFACTIVE || 1712 reset == VIRTCHNL_VFR_COMPLETED) 1713 break; 1714 rte_delay_ms(20); 1715 } 1716 1717 if (i >= IAVF_RESET_WAIT_CNT) 1718 return -1; 1719 1720 return 0; 1721 } 1722 1723 static int 1724 iavf_lookup_proto_xtr_type(const char *flex_name) 1725 { 1726 static struct { 1727 const char *name; 1728 enum iavf_proto_xtr_type type; 1729 } xtr_type_map[] = { 1730 { "vlan", IAVF_PROTO_XTR_VLAN }, 1731 { "ipv4", IAVF_PROTO_XTR_IPV4 }, 1732 { "ipv6", IAVF_PROTO_XTR_IPV6 }, 1733 { "ipv6_flow", IAVF_PROTO_XTR_IPV6_FLOW }, 1734 { "tcp", IAVF_PROTO_XTR_TCP }, 1735 { "ip_offset", IAVF_PROTO_XTR_IP_OFFSET }, 1736 }; 1737 uint32_t i; 1738 1739 for (i = 0; i < RTE_DIM(xtr_type_map); i++) { 1740 if (strcmp(flex_name, xtr_type_map[i].name) == 0) 1741 return xtr_type_map[i].type; 1742 } 1743 1744 PMD_DRV_LOG(ERR, "wrong proto_xtr type, " 1745 "it should be: vlan|ipv4|ipv6|ipv6_flow|tcp|ip_offset"); 1746 1747 return -1; 1748 } 1749 1750 /** 1751 * Parse elem, the elem could be single number/range or '(' ')' group 1752 * 1) A single number elem, it's just a simple digit. e.g. 9 1753 * 2) A single range elem, two digits with a '-' between. e.g. 2-6 1754 * 3) A group elem, combines multiple 1) or 2) with '( )'. e.g (0,2-4,6) 1755 * Within group elem, '-' used for a range separator; 1756 * ',' used for a single number. 1757 */ 1758 static int 1759 iavf_parse_queue_set(const char *input, int xtr_type, 1760 struct iavf_devargs *devargs) 1761 { 1762 const char *str = input; 1763 char *end = NULL; 1764 uint32_t min, max; 1765 uint32_t idx; 1766 1767 while (isblank(*str)) 1768 str++; 1769 1770 if (!isdigit(*str) && *str != '(') 1771 return -1; 1772 1773 /* process single number or single range of number */ 1774 if (*str != '(') { 1775 errno = 0; 1776 idx = strtoul(str, &end, 10); 1777 if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM) 1778 return -1; 1779 1780 while (isblank(*end)) 1781 end++; 1782 1783 min = idx; 1784 max = idx; 1785 1786 /* process single <number>-<number> */ 1787 if (*end == '-') { 1788 end++; 1789 while (isblank(*end)) 1790 end++; 1791 if (!isdigit(*end)) 1792 return -1; 1793 1794 errno = 0; 1795 idx = strtoul(end, &end, 10); 1796 if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM) 1797 return -1; 1798 1799 max = idx; 1800 while (isblank(*end)) 1801 end++; 1802 } 1803 1804 if (*end != ':') 1805 return -1; 1806 1807 for (idx = RTE_MIN(min, max); 1808 idx <= RTE_MAX(min, max); idx++) 1809 devargs->proto_xtr[idx] = xtr_type; 1810 1811 return 0; 1812 } 1813 1814 /* process set within bracket */ 1815 str++; 1816 while (isblank(*str)) 1817 str++; 1818 if (*str == '\0') 1819 return -1; 1820 1821 min = IAVF_MAX_QUEUE_NUM; 1822 do { 1823 /* go ahead to the first digit */ 1824 while (isblank(*str)) 1825 str++; 1826 if (!isdigit(*str)) 1827 return -1; 1828 1829 /* get the digit value */ 1830 errno = 0; 1831 idx = strtoul(str, &end, 10); 1832 if (errno || !end || idx >= IAVF_MAX_QUEUE_NUM) 1833 return -1; 1834 1835 /* go ahead to separator '-',',' and ')' */ 1836 while (isblank(*end)) 1837 end++; 1838 if (*end == '-') { 1839 if (min == IAVF_MAX_QUEUE_NUM) 1840 min = idx; 1841 else /* avoid continuous '-' */ 1842 return -1; 1843 } else if (*end == ',' || *end == ')') { 1844 max = idx; 1845 if (min == IAVF_MAX_QUEUE_NUM) 1846 min = idx; 1847 1848 for (idx = RTE_MIN(min, max); 1849 idx <= RTE_MAX(min, max); idx++) 1850 devargs->proto_xtr[idx] = xtr_type; 1851 1852 min = IAVF_MAX_QUEUE_NUM; 1853 } else { 1854 return -1; 1855 } 1856 1857 str = end + 1; 1858 } while (*end != ')' && *end != '\0'); 1859 1860 return 0; 1861 } 1862 1863 static int 1864 iavf_parse_queue_proto_xtr(const char *queues, struct iavf_devargs *devargs) 1865 { 1866 const char *queue_start; 1867 uint32_t idx; 1868 int xtr_type; 1869 char flex_name[32]; 1870 1871 while (isblank(*queues)) 1872 queues++; 1873 1874 if (*queues != '[') { 1875 xtr_type = iavf_lookup_proto_xtr_type(queues); 1876 if (xtr_type < 0) 1877 return -1; 1878 1879 devargs->proto_xtr_dflt = xtr_type; 1880 1881 return 0; 1882 } 1883 1884 queues++; 1885 do { 1886 while (isblank(*queues)) 1887 queues++; 1888 if (*queues == '\0') 1889 return -1; 1890 1891 queue_start = queues; 1892 1893 /* go across a complete bracket */ 1894 if (*queue_start == '(') { 1895 queues += strcspn(queues, ")"); 1896 if (*queues != ')') 1897 return -1; 1898 } 1899 1900 /* scan the separator ':' */ 1901 queues += strcspn(queues, ":"); 1902 if (*queues++ != ':') 1903 return -1; 1904 while (isblank(*queues)) 1905 queues++; 1906 1907 for (idx = 0; ; idx++) { 1908 if (isblank(queues[idx]) || 1909 queues[idx] == ',' || 1910 queues[idx] == ']' || 1911 queues[idx] == '\0') 1912 break; 1913 1914 if (idx > sizeof(flex_name) - 2) 1915 return -1; 1916 1917 flex_name[idx] = queues[idx]; 1918 } 1919 flex_name[idx] = '\0'; 1920 xtr_type = iavf_lookup_proto_xtr_type(flex_name); 1921 if (xtr_type < 0) 1922 return -1; 1923 1924 queues += idx; 1925 1926 while (isblank(*queues) || *queues == ',' || *queues == ']') 1927 queues++; 1928 1929 if (iavf_parse_queue_set(queue_start, xtr_type, devargs) < 0) 1930 return -1; 1931 } while (*queues != '\0'); 1932 1933 return 0; 1934 } 1935 1936 static int 1937 iavf_handle_proto_xtr_arg(__rte_unused const char *key, const char *value, 1938 void *extra_args) 1939 { 1940 struct iavf_devargs *devargs = extra_args; 1941 1942 if (!value || !extra_args) 1943 return -EINVAL; 1944 1945 if (iavf_parse_queue_proto_xtr(value, devargs) < 0) { 1946 PMD_DRV_LOG(ERR, "the proto_xtr's parameter is wrong : '%s'", 1947 value); 1948 return -1; 1949 } 1950 1951 return 0; 1952 } 1953 1954 static int iavf_parse_devargs(struct rte_eth_dev *dev) 1955 { 1956 struct iavf_adapter *ad = 1957 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1958 struct rte_devargs *devargs = dev->device->devargs; 1959 struct rte_kvargs *kvlist; 1960 int ret; 1961 1962 if (!devargs) 1963 return 0; 1964 1965 kvlist = rte_kvargs_parse(devargs->args, iavf_valid_args); 1966 if (!kvlist) { 1967 PMD_INIT_LOG(ERR, "invalid kvargs key\n"); 1968 return -EINVAL; 1969 } 1970 1971 ad->devargs.proto_xtr_dflt = IAVF_PROTO_XTR_NONE; 1972 memset(ad->devargs.proto_xtr, IAVF_PROTO_XTR_NONE, 1973 sizeof(ad->devargs.proto_xtr)); 1974 1975 ret = rte_kvargs_process(kvlist, IAVF_PROTO_XTR_ARG, 1976 &iavf_handle_proto_xtr_arg, &ad->devargs); 1977 if (ret) 1978 goto bail; 1979 1980 bail: 1981 rte_kvargs_free(kvlist); 1982 return ret; 1983 } 1984 1985 static void 1986 iavf_init_proto_xtr(struct rte_eth_dev *dev) 1987 { 1988 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 1989 struct iavf_adapter *ad = 1990 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 1991 const struct iavf_proto_xtr_ol *xtr_ol; 1992 bool proto_xtr_enable = false; 1993 int offset; 1994 uint16_t i; 1995 1996 vf->proto_xtr = rte_zmalloc("vf proto xtr", 1997 vf->vsi_res->num_queue_pairs, 0); 1998 if (unlikely(!(vf->proto_xtr))) { 1999 PMD_DRV_LOG(ERR, "no memory for setting up proto_xtr's table"); 2000 return; 2001 } 2002 2003 for (i = 0; i < vf->vsi_res->num_queue_pairs; i++) { 2004 vf->proto_xtr[i] = ad->devargs.proto_xtr[i] != 2005 IAVF_PROTO_XTR_NONE ? 2006 ad->devargs.proto_xtr[i] : 2007 ad->devargs.proto_xtr_dflt; 2008 2009 if (vf->proto_xtr[i] != IAVF_PROTO_XTR_NONE) { 2010 uint8_t type = vf->proto_xtr[i]; 2011 2012 iavf_proto_xtr_params[type].required = true; 2013 proto_xtr_enable = true; 2014 } 2015 } 2016 2017 if (likely(!proto_xtr_enable)) 2018 return; 2019 2020 offset = rte_mbuf_dynfield_register(&iavf_proto_xtr_metadata_param); 2021 if (unlikely(offset == -1)) { 2022 PMD_DRV_LOG(ERR, 2023 "failed to extract protocol metadata, error %d", 2024 -rte_errno); 2025 return; 2026 } 2027 2028 PMD_DRV_LOG(DEBUG, 2029 "proto_xtr metadata offset in mbuf is : %d", 2030 offset); 2031 rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = offset; 2032 2033 for (i = 0; i < RTE_DIM(iavf_proto_xtr_params); i++) { 2034 xtr_ol = &iavf_proto_xtr_params[i]; 2035 2036 uint8_t rxdid = iavf_proto_xtr_type_to_rxdid((uint8_t)i); 2037 2038 if (!xtr_ol->required) 2039 continue; 2040 2041 if (!(vf->supported_rxdid & BIT(rxdid))) { 2042 PMD_DRV_LOG(ERR, 2043 "rxdid[%u] is not supported in hardware", 2044 rxdid); 2045 rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = -1; 2046 break; 2047 } 2048 2049 offset = rte_mbuf_dynflag_register(&xtr_ol->param); 2050 if (unlikely(offset == -1)) { 2051 PMD_DRV_LOG(ERR, 2052 "failed to register proto_xtr offload '%s', error %d", 2053 xtr_ol->param.name, -rte_errno); 2054 2055 rte_pmd_ifd_dynfield_proto_xtr_metadata_offs = -1; 2056 break; 2057 } 2058 2059 PMD_DRV_LOG(DEBUG, 2060 "proto_xtr offload '%s' offset in mbuf is : %d", 2061 xtr_ol->param.name, offset); 2062 *xtr_ol->ol_flag = 1ULL << offset; 2063 } 2064 } 2065 2066 static int 2067 iavf_init_vf(struct rte_eth_dev *dev) 2068 { 2069 int err, bufsz; 2070 struct iavf_adapter *adapter = 2071 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 2072 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 2073 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 2074 2075 vf->eth_dev = dev; 2076 2077 err = iavf_parse_devargs(dev); 2078 if (err) { 2079 PMD_INIT_LOG(ERR, "Failed to parse devargs"); 2080 goto err; 2081 } 2082 2083 err = iavf_set_mac_type(hw); 2084 if (err) { 2085 PMD_INIT_LOG(ERR, "set_mac_type failed: %d", err); 2086 goto err; 2087 } 2088 2089 err = iavf_check_vf_reset_done(hw); 2090 if (err) { 2091 PMD_INIT_LOG(ERR, "VF is still resetting"); 2092 goto err; 2093 } 2094 2095 iavf_init_adminq_parameter(hw); 2096 err = iavf_init_adminq(hw); 2097 if (err) { 2098 PMD_INIT_LOG(ERR, "init_adminq failed: %d", err); 2099 goto err; 2100 } 2101 2102 vf->aq_resp = rte_zmalloc("vf_aq_resp", IAVF_AQ_BUF_SZ, 0); 2103 if (!vf->aq_resp) { 2104 PMD_INIT_LOG(ERR, "unable to allocate vf_aq_resp memory"); 2105 goto err_aq; 2106 } 2107 if (iavf_check_api_version(adapter) != 0) { 2108 PMD_INIT_LOG(ERR, "check_api version failed"); 2109 goto err_api; 2110 } 2111 2112 bufsz = sizeof(struct virtchnl_vf_resource) + 2113 (IAVF_MAX_VF_VSI * sizeof(struct virtchnl_vsi_resource)); 2114 vf->vf_res = rte_zmalloc("vf_res", bufsz, 0); 2115 if (!vf->vf_res) { 2116 PMD_INIT_LOG(ERR, "unable to allocate vf_res memory"); 2117 goto err_api; 2118 } 2119 2120 if (iavf_get_vf_resource(adapter) != 0) { 2121 PMD_INIT_LOG(ERR, "iavf_get_vf_config failed"); 2122 goto err_alloc; 2123 } 2124 /* Allocate memort for RSS info */ 2125 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { 2126 vf->rss_key = rte_zmalloc("rss_key", 2127 vf->vf_res->rss_key_size, 0); 2128 if (!vf->rss_key) { 2129 PMD_INIT_LOG(ERR, "unable to allocate rss_key memory"); 2130 goto err_rss; 2131 } 2132 vf->rss_lut = rte_zmalloc("rss_lut", 2133 vf->vf_res->rss_lut_size, 0); 2134 if (!vf->rss_lut) { 2135 PMD_INIT_LOG(ERR, "unable to allocate rss_lut memory"); 2136 goto err_rss; 2137 } 2138 } 2139 2140 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RX_FLEX_DESC) { 2141 if (iavf_get_supported_rxdid(adapter) != 0) { 2142 PMD_INIT_LOG(ERR, "failed to do get supported rxdid"); 2143 goto err_rss; 2144 } 2145 } 2146 2147 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_VLAN_V2) { 2148 if (iavf_get_vlan_offload_caps_v2(adapter) != 0) { 2149 PMD_INIT_LOG(ERR, "failed to do get VLAN offload v2 capabilities"); 2150 goto err_rss; 2151 } 2152 } 2153 2154 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS) { 2155 bufsz = sizeof(struct virtchnl_qos_cap_list) + 2156 IAVF_MAX_TRAFFIC_CLASS * 2157 sizeof(struct virtchnl_qos_cap_elem); 2158 vf->qos_cap = rte_zmalloc("qos_cap", bufsz, 0); 2159 if (!vf->qos_cap) { 2160 PMD_INIT_LOG(ERR, "unable to allocate qos_cap memory"); 2161 goto err_rss; 2162 } 2163 iavf_tm_conf_init(dev); 2164 } 2165 2166 iavf_init_proto_xtr(dev); 2167 2168 return 0; 2169 err_rss: 2170 rte_free(vf->rss_key); 2171 rte_free(vf->rss_lut); 2172 err_alloc: 2173 rte_free(vf->qos_cap); 2174 rte_free(vf->vf_res); 2175 vf->vsi_res = NULL; 2176 err_api: 2177 rte_free(vf->aq_resp); 2178 err_aq: 2179 iavf_shutdown_adminq(hw); 2180 err: 2181 return -1; 2182 } 2183 2184 static void 2185 iavf_uninit_vf(struct rte_eth_dev *dev) 2186 { 2187 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 2188 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 2189 2190 iavf_shutdown_adminq(hw); 2191 2192 rte_free(vf->vf_res); 2193 vf->vsi_res = NULL; 2194 vf->vf_res = NULL; 2195 2196 rte_free(vf->aq_resp); 2197 vf->aq_resp = NULL; 2198 2199 rte_free(vf->qos_cap); 2200 vf->qos_cap = NULL; 2201 2202 rte_free(vf->rss_lut); 2203 vf->rss_lut = NULL; 2204 rte_free(vf->rss_key); 2205 vf->rss_key = NULL; 2206 } 2207 2208 /* Enable default admin queue interrupt setting */ 2209 static inline void 2210 iavf_enable_irq0(struct iavf_hw *hw) 2211 { 2212 /* Enable admin queue interrupt trigger */ 2213 IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 2214 IAVF_VFINT_ICR0_ENA1_ADMINQ_MASK); 2215 2216 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01, 2217 IAVF_VFINT_DYN_CTL01_INTENA_MASK | 2218 IAVF_VFINT_DYN_CTL01_CLEARPBA_MASK | 2219 IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK); 2220 2221 IAVF_WRITE_FLUSH(hw); 2222 } 2223 2224 static inline void 2225 iavf_disable_irq0(struct iavf_hw *hw) 2226 { 2227 /* Disable all interrupt types */ 2228 IAVF_WRITE_REG(hw, IAVF_VFINT_ICR0_ENA1, 0); 2229 IAVF_WRITE_REG(hw, IAVF_VFINT_DYN_CTL01, 2230 IAVF_VFINT_DYN_CTL01_ITR_INDX_MASK); 2231 IAVF_WRITE_FLUSH(hw); 2232 } 2233 2234 static void 2235 iavf_dev_interrupt_handler(void *param) 2236 { 2237 struct rte_eth_dev *dev = (struct rte_eth_dev *)param; 2238 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 2239 2240 iavf_disable_irq0(hw); 2241 2242 iavf_handle_virtchnl_msg(dev); 2243 2244 iavf_enable_irq0(hw); 2245 } 2246 2247 void 2248 iavf_dev_alarm_handler(void *param) 2249 { 2250 struct rte_eth_dev *dev = (struct rte_eth_dev *)param; 2251 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 2252 uint32_t icr0; 2253 2254 iavf_disable_irq0(hw); 2255 2256 /* read out interrupt causes */ 2257 icr0 = IAVF_READ_REG(hw, IAVF_VFINT_ICR01); 2258 2259 if (icr0 & IAVF_VFINT_ICR01_ADMINQ_MASK) { 2260 PMD_DRV_LOG(DEBUG, "ICR01_ADMINQ is reported"); 2261 iavf_handle_virtchnl_msg(dev); 2262 } 2263 2264 iavf_enable_irq0(hw); 2265 2266 rte_eal_alarm_set(IAVF_ALARM_INTERVAL, 2267 iavf_dev_alarm_handler, dev); 2268 } 2269 2270 static int 2271 iavf_dev_flow_ops_get(struct rte_eth_dev *dev, 2272 const struct rte_flow_ops **ops) 2273 { 2274 if (!dev) 2275 return -EINVAL; 2276 2277 *ops = &iavf_flow_ops; 2278 return 0; 2279 } 2280 2281 static void 2282 iavf_default_rss_disable(struct iavf_adapter *adapter) 2283 { 2284 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 2285 int ret = 0; 2286 2287 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { 2288 /* Set hena = 0 to ask PF to cleanup all existing RSS. */ 2289 ret = iavf_set_hena(adapter, 0); 2290 if (ret) 2291 /* It is a workaround, temporarily allow error to be 2292 * returned due to possible lack of PF handling for 2293 * hena = 0. 2294 */ 2295 PMD_INIT_LOG(WARNING, "fail to disable default RSS," 2296 "lack PF support"); 2297 } 2298 } 2299 2300 static int 2301 iavf_dev_init(struct rte_eth_dev *eth_dev) 2302 { 2303 struct iavf_adapter *adapter = 2304 IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private); 2305 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(adapter); 2306 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(adapter); 2307 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(eth_dev); 2308 int ret = 0; 2309 2310 PMD_INIT_FUNC_TRACE(); 2311 2312 /* assign ops func pointer */ 2313 eth_dev->dev_ops = &iavf_eth_dev_ops; 2314 eth_dev->rx_queue_count = iavf_dev_rxq_count; 2315 eth_dev->rx_descriptor_status = iavf_dev_rx_desc_status; 2316 eth_dev->tx_descriptor_status = iavf_dev_tx_desc_status; 2317 eth_dev->rx_pkt_burst = &iavf_recv_pkts; 2318 eth_dev->tx_pkt_burst = &iavf_xmit_pkts; 2319 eth_dev->tx_pkt_prepare = &iavf_prep_pkts; 2320 2321 /* For secondary processes, we don't initialise any further as primary 2322 * has already done this work. Only check if we need a different RX 2323 * and TX function. 2324 */ 2325 if (rte_eal_process_type() != RTE_PROC_PRIMARY) { 2326 iavf_set_rx_function(eth_dev); 2327 iavf_set_tx_function(eth_dev); 2328 return 0; 2329 } 2330 rte_eth_copy_pci_info(eth_dev, pci_dev); 2331 2332 hw->vendor_id = pci_dev->id.vendor_id; 2333 hw->device_id = pci_dev->id.device_id; 2334 hw->subsystem_vendor_id = pci_dev->id.subsystem_vendor_id; 2335 hw->subsystem_device_id = pci_dev->id.subsystem_device_id; 2336 hw->bus.bus_id = pci_dev->addr.bus; 2337 hw->bus.device = pci_dev->addr.devid; 2338 hw->bus.func = pci_dev->addr.function; 2339 hw->hw_addr = (void *)pci_dev->mem_resource[0].addr; 2340 hw->back = IAVF_DEV_PRIVATE_TO_ADAPTER(eth_dev->data->dev_private); 2341 adapter->dev_data = eth_dev->data; 2342 adapter->stopped = 1; 2343 2344 if (iavf_init_vf(eth_dev) != 0) { 2345 PMD_INIT_LOG(ERR, "Init vf failed"); 2346 return -1; 2347 } 2348 2349 /* set default ptype table */ 2350 adapter->ptype_tbl = iavf_get_default_ptype_table(); 2351 2352 /* copy mac addr */ 2353 eth_dev->data->mac_addrs = rte_zmalloc( 2354 "iavf_mac", RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX, 0); 2355 if (!eth_dev->data->mac_addrs) { 2356 PMD_INIT_LOG(ERR, "Failed to allocate %d bytes needed to" 2357 " store MAC addresses", 2358 RTE_ETHER_ADDR_LEN * IAVF_NUM_MACADDR_MAX); 2359 ret = -ENOMEM; 2360 goto init_vf_err; 2361 } 2362 /* If the MAC address is not configured by host, 2363 * generate a random one. 2364 */ 2365 if (!rte_is_valid_assigned_ether_addr( 2366 (struct rte_ether_addr *)hw->mac.addr)) 2367 rte_eth_random_addr(hw->mac.addr); 2368 rte_ether_addr_copy((struct rte_ether_addr *)hw->mac.addr, 2369 ð_dev->data->mac_addrs[0]); 2370 2371 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) { 2372 /* register callback func to eal lib */ 2373 rte_intr_callback_register(&pci_dev->intr_handle, 2374 iavf_dev_interrupt_handler, 2375 (void *)eth_dev); 2376 2377 /* enable uio intr after callback register */ 2378 rte_intr_enable(&pci_dev->intr_handle); 2379 } else { 2380 rte_eal_alarm_set(IAVF_ALARM_INTERVAL, 2381 iavf_dev_alarm_handler, eth_dev); 2382 } 2383 2384 /* configure and enable device interrupt */ 2385 iavf_enable_irq0(hw); 2386 2387 ret = iavf_flow_init(adapter); 2388 if (ret) { 2389 PMD_INIT_LOG(ERR, "Failed to initialize flow"); 2390 goto flow_init_err; 2391 } 2392 2393 iavf_default_rss_disable(adapter); 2394 2395 return 0; 2396 2397 flow_init_err: 2398 rte_free(eth_dev->data->mac_addrs); 2399 eth_dev->data->mac_addrs = NULL; 2400 2401 init_vf_err: 2402 iavf_uninit_vf(eth_dev); 2403 2404 return ret; 2405 } 2406 2407 static int 2408 iavf_dev_close(struct rte_eth_dev *dev) 2409 { 2410 struct iavf_hw *hw = IAVF_DEV_PRIVATE_TO_HW(dev->data->dev_private); 2411 struct rte_pci_device *pci_dev = RTE_ETH_DEV_TO_PCI(dev); 2412 struct rte_intr_handle *intr_handle = &pci_dev->intr_handle; 2413 struct iavf_adapter *adapter = 2414 IAVF_DEV_PRIVATE_TO_ADAPTER(dev->data->dev_private); 2415 struct iavf_info *vf = IAVF_DEV_PRIVATE_TO_VF(dev->data->dev_private); 2416 int ret; 2417 2418 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 2419 return 0; 2420 2421 ret = iavf_dev_stop(dev); 2422 2423 iavf_flow_flush(dev, NULL); 2424 iavf_flow_uninit(adapter); 2425 2426 /* 2427 * disable promiscuous mode before reset vf 2428 * it is a workaround solution when work with kernel driver 2429 * and it is not the normal way 2430 */ 2431 if (vf->promisc_unicast_enabled || vf->promisc_multicast_enabled) 2432 iavf_config_promisc(adapter, false, false); 2433 2434 iavf_shutdown_adminq(hw); 2435 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_WB_ON_ITR) { 2436 /* disable uio intr before callback unregister */ 2437 rte_intr_disable(intr_handle); 2438 2439 /* unregister callback func from eal lib */ 2440 rte_intr_callback_unregister(intr_handle, 2441 iavf_dev_interrupt_handler, dev); 2442 } else { 2443 rte_eal_alarm_cancel(iavf_dev_alarm_handler, dev); 2444 } 2445 iavf_disable_irq0(hw); 2446 2447 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_QOS) 2448 iavf_tm_conf_uninit(dev); 2449 2450 if (vf->vf_res->vf_cap_flags & VIRTCHNL_VF_OFFLOAD_RSS_PF) { 2451 if (vf->rss_lut) { 2452 rte_free(vf->rss_lut); 2453 vf->rss_lut = NULL; 2454 } 2455 if (vf->rss_key) { 2456 rte_free(vf->rss_key); 2457 vf->rss_key = NULL; 2458 } 2459 } 2460 2461 rte_free(vf->vf_res); 2462 vf->vsi_res = NULL; 2463 vf->vf_res = NULL; 2464 2465 rte_free(vf->aq_resp); 2466 vf->aq_resp = NULL; 2467 2468 /* 2469 * If the VF is reset via VFLR, the device will be knocked out of bus 2470 * master mode, and the driver will fail to recover from the reset. Fix 2471 * this by enabling bus mastering after every reset. In a non-VFLR case, 2472 * the bus master bit will not be disabled, and this call will have no 2473 * effect. 2474 */ 2475 if (vf->vf_reset && !rte_pci_set_bus_master(pci_dev, true)) 2476 vf->vf_reset = false; 2477 2478 return ret; 2479 } 2480 2481 static int 2482 iavf_dev_uninit(struct rte_eth_dev *dev) 2483 { 2484 if (rte_eal_process_type() != RTE_PROC_PRIMARY) 2485 return -EPERM; 2486 2487 iavf_dev_close(dev); 2488 2489 return 0; 2490 } 2491 2492 /* 2493 * Reset VF device only to re-initialize resources in PMD layer 2494 */ 2495 static int 2496 iavf_dev_reset(struct rte_eth_dev *dev) 2497 { 2498 int ret; 2499 2500 ret = iavf_dev_uninit(dev); 2501 if (ret) 2502 return ret; 2503 2504 return iavf_dev_init(dev); 2505 } 2506 2507 static int 2508 iavf_dcf_cap_check_handler(__rte_unused const char *key, 2509 const char *value, __rte_unused void *opaque) 2510 { 2511 if (strcmp(value, "dcf")) 2512 return -1; 2513 2514 return 0; 2515 } 2516 2517 static int 2518 iavf_dcf_cap_selected(struct rte_devargs *devargs) 2519 { 2520 struct rte_kvargs *kvlist; 2521 const char *key = "cap"; 2522 int ret = 0; 2523 2524 if (devargs == NULL) 2525 return 0; 2526 2527 kvlist = rte_kvargs_parse(devargs->args, NULL); 2528 if (kvlist == NULL) 2529 return 0; 2530 2531 if (!rte_kvargs_count(kvlist, key)) 2532 goto exit; 2533 2534 /* dcf capability selected when there's a key-value pair: cap=dcf */ 2535 if (rte_kvargs_process(kvlist, key, 2536 iavf_dcf_cap_check_handler, NULL) < 0) 2537 goto exit; 2538 2539 ret = 1; 2540 2541 exit: 2542 rte_kvargs_free(kvlist); 2543 return ret; 2544 } 2545 2546 static int eth_iavf_pci_probe(struct rte_pci_driver *pci_drv __rte_unused, 2547 struct rte_pci_device *pci_dev) 2548 { 2549 if (iavf_dcf_cap_selected(pci_dev->device.devargs)) 2550 return 1; 2551 2552 return rte_eth_dev_pci_generic_probe(pci_dev, 2553 sizeof(struct iavf_adapter), iavf_dev_init); 2554 } 2555 2556 static int eth_iavf_pci_remove(struct rte_pci_device *pci_dev) 2557 { 2558 return rte_eth_dev_pci_generic_remove(pci_dev, iavf_dev_uninit); 2559 } 2560 2561 /* Adaptive virtual function driver struct */ 2562 static struct rte_pci_driver rte_iavf_pmd = { 2563 .id_table = pci_id_iavf_map, 2564 .drv_flags = RTE_PCI_DRV_NEED_MAPPING | RTE_PCI_DRV_INTR_LSC, 2565 .probe = eth_iavf_pci_probe, 2566 .remove = eth_iavf_pci_remove, 2567 }; 2568 2569 RTE_PMD_REGISTER_PCI(net_iavf, rte_iavf_pmd); 2570 RTE_PMD_REGISTER_PCI_TABLE(net_iavf, pci_id_iavf_map); 2571 RTE_PMD_REGISTER_KMOD_DEP(net_iavf, "* igb_uio | vfio-pci"); 2572 RTE_PMD_REGISTER_PARAM_STRING(net_iavf, "cap=dcf"); 2573 RTE_LOG_REGISTER_SUFFIX(iavf_logtype_init, init, NOTICE); 2574 RTE_LOG_REGISTER_SUFFIX(iavf_logtype_driver, driver, NOTICE); 2575 #ifdef RTE_ETHDEV_DEBUG_RX 2576 RTE_LOG_REGISTER_SUFFIX(iavf_logtype_rx, rx, DEBUG); 2577 #endif 2578 #ifdef RTE_ETHDEV_DEBUG_TX 2579 RTE_LOG_REGISTER_SUFFIX(iavf_logtype_tx, tx, DEBUG); 2580 #endif 2581