drivers/net/iavf/iavf_ethdev.c

   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                         &eth_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