drivers/net/bonding/rte_eth_bond_pmd.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2017 Intel Corporation
   3  */
   4 #include <stdlib.h>
   5 #include <stdbool.h>
   6 #include <netinet/in.h>
   7
   8 #include <rte_mbuf.h>
   9 #include <rte_malloc.h>
  10 #include <ethdev_driver.h>
  11 #include <ethdev_vdev.h>
  12 #include <rte_tcp.h>
  13 #include <rte_udp.h>
  14 #include <rte_ip.h>
  15 #include <rte_ip_frag.h>
  16 #include <rte_devargs.h>
  17 #include <rte_kvargs.h>
  18 #include <rte_bus_vdev.h>
  19 #include <rte_alarm.h>
  20 #include <rte_cycles.h>
  21 #include <rte_string_fns.h>
  22
  23 #include "rte_eth_bond.h"
  24 #include "eth_bond_private.h"
  25 #include "eth_bond_8023ad_private.h"
  26
  27 #define REORDER_PERIOD_MS 10
  28 #define DEFAULT_POLLING_INTERVAL_10_MS (10)
  29 #define BOND_MAX_MAC_ADDRS 16
  30
  31 #define HASH_L4_PORTS(h) ((h)->src_port ^ (h)->dst_port)
  32
  33 /* Table for statistics in mode 5 TLB */
  34 static uint64_t tlb_last_obytets[RTE_MAX_ETHPORTS];
  35
  36 static inline size_t
  37 get_vlan_offset(struct rte_ether_hdr *eth_hdr, uint16_t *proto)
  38 {
  39         size_t vlan_offset = 0;
  40
  41         if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto ||
  42                 rte_cpu_to_be_16(RTE_ETHER_TYPE_QINQ) == *proto) {
  43                 struct rte_vlan_hdr *vlan_hdr =
  44                         (struct rte_vlan_hdr *)(eth_hdr + 1);
  45
  46                 vlan_offset = sizeof(struct rte_vlan_hdr);
  47                 *proto = vlan_hdr->eth_proto;
  48
  49                 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_VLAN) == *proto) {
  50                         vlan_hdr = vlan_hdr + 1;
  51                         *proto = vlan_hdr->eth_proto;
  52                         vlan_offset += sizeof(struct rte_vlan_hdr);
  53                 }
  54         }
  55         return vlan_offset;
  56 }
  57
  58 static uint16_t
  59 bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
  60 {
  61         struct bond_dev_private *internals;
  62
  63         uint16_t num_rx_total = 0;
  64         uint16_t slave_count;
  65         uint16_t active_slave;
  66         int i;
  67
  68         /* Cast to structure, containing bonded device's port id and queue id */
  69         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
  70         internals = bd_rx_q->dev_private;
  71         slave_count = internals->active_slave_count;
  72         active_slave = bd_rx_q->active_slave;
  73
  74         for (i = 0; i < slave_count && nb_pkts; i++) {
  75                 uint16_t num_rx_slave;
  76
  77                 /* Offset of pointer to *bufs increases as packets are received
  78                  * from other slaves */
  79                 num_rx_slave =
  80                         rte_eth_rx_burst(internals->active_slaves[active_slave],
  81                                          bd_rx_q->queue_id,
  82                                          bufs + num_rx_total, nb_pkts);
  83                 num_rx_total += num_rx_slave;
  84                 nb_pkts -= num_rx_slave;
  85                 if (++active_slave == slave_count)
  86                         active_slave = 0;
  87         }
  88
  89         if (++bd_rx_q->active_slave >= slave_count)
  90                 bd_rx_q->active_slave = 0;
  91         return num_rx_total;
  92 }
  93
  94 static uint16_t
  95 bond_ethdev_rx_burst_active_backup(void *queue, struct rte_mbuf **bufs,
  96                 uint16_t nb_pkts)
  97 {
  98         struct bond_dev_private *internals;
  99
 100         /* Cast to structure, containing bonded device's port id and queue id */
 101         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
 102
 103         internals = bd_rx_q->dev_private;
 104
 105         return rte_eth_rx_burst(internals->current_primary_port,
 106                         bd_rx_q->queue_id, bufs, nb_pkts);
 107 }
 108
 109 static inline uint8_t
 110 is_lacp_packets(uint16_t ethertype, uint8_t subtype, struct rte_mbuf *mbuf)
 111 {
 112         const uint16_t ether_type_slow_be =
 113                 rte_be_to_cpu_16(RTE_ETHER_TYPE_SLOW);
 114
 115         return !((mbuf->ol_flags & RTE_MBUF_F_RX_VLAN) ? mbuf->vlan_tci : 0) &&
 116                 (ethertype == ether_type_slow_be &&
 117                 (subtype == SLOW_SUBTYPE_MARKER || subtype == SLOW_SUBTYPE_LACP));
 118 }
 119
 120 /*****************************************************************************
 121  * Flow director's setup for mode 4 optimization
 122  */
 123
 124 static struct rte_flow_item_eth flow_item_eth_type_8023ad = {
 125         .dst.addr_bytes = { 0 },
 126         .src.addr_bytes = { 0 },
 127         .type = RTE_BE16(RTE_ETHER_TYPE_SLOW),
 128 };
 129
 130 static struct rte_flow_item_eth flow_item_eth_mask_type_8023ad = {
 131         .dst.addr_bytes = { 0 },
 132         .src.addr_bytes = { 0 },
 133         .type = 0xFFFF,
 134 };
 135
 136 static struct rte_flow_item flow_item_8023ad[] = {
 137         {
 138                 .type = RTE_FLOW_ITEM_TYPE_ETH,
 139                 .spec = &flow_item_eth_type_8023ad,
 140                 .last = NULL,
 141                 .mask = &flow_item_eth_mask_type_8023ad,
 142         },
 143         {
 144                 .type = RTE_FLOW_ITEM_TYPE_END,
 145                 .spec = NULL,
 146                 .last = NULL,
 147                 .mask = NULL,
 148         }
 149 };
 150
 151 const struct rte_flow_attr flow_attr_8023ad = {
 152         .group = 0,
 153         .priority = 0,
 154         .ingress = 1,
 155         .egress = 0,
 156         .reserved = 0,
 157 };
 158
 159 int
 160 bond_ethdev_8023ad_flow_verify(struct rte_eth_dev *bond_dev,
 161                 uint16_t slave_port) {
 162         struct rte_eth_dev_info slave_info;
 163         struct rte_flow_error error;
 164         struct bond_dev_private *internals = bond_dev->data->dev_private;
 165
 166         const struct rte_flow_action_queue lacp_queue_conf = {
 167                 .index = 0,
 168         };
 169
 170         const struct rte_flow_action actions[] = {
 171                 {
 172                         .type = RTE_FLOW_ACTION_TYPE_QUEUE,
 173                         .conf = &lacp_queue_conf
 174                 },
 175                 {
 176                         .type = RTE_FLOW_ACTION_TYPE_END,
 177                 }
 178         };
 179
 180         int ret = rte_flow_validate(slave_port, &flow_attr_8023ad,
 181                         flow_item_8023ad, actions, &error);
 182         if (ret < 0) {
 183                 RTE_BOND_LOG(ERR, "%s: %s (slave_port=%d queue_id=%d)",
 184                                 __func__, error.message, slave_port,
 185                                 internals->mode4.dedicated_queues.rx_qid);
 186                 return -1;
 187         }
 188
 189         ret = rte_eth_dev_info_get(slave_port, &slave_info);
 190         if (ret != 0) {
 191                 RTE_BOND_LOG(ERR,
 192                         "%s: Error during getting device (port %u) info: %s\n",
 193                         __func__, slave_port, strerror(-ret));
 194
 195                 return ret;
 196         }
 197
 198         if (slave_info.max_rx_queues < bond_dev->data->nb_rx_queues ||
 199                         slave_info.max_tx_queues < bond_dev->data->nb_tx_queues) {
 200                 RTE_BOND_LOG(ERR,
 201                         "%s: Slave %d capabilities doesn't allow to allocate additional queues",
 202                         __func__, slave_port);
 203                 return -1;
 204         }
 205
 206         return 0;
 207 }
 208
 209 int
 210 bond_8023ad_slow_pkt_hw_filter_supported(uint16_t port_id) {
 211         struct rte_eth_dev *bond_dev = &rte_eth_devices[port_id];
 212         struct bond_dev_private *internals = bond_dev->data->dev_private;
 213         struct rte_eth_dev_info bond_info;
 214         uint16_t idx;
 215         int ret;
 216
 217         /* Verify if all slaves in bonding supports flow director and */
 218         if (internals->slave_count > 0) {
 219                 ret = rte_eth_dev_info_get(bond_dev->data->port_id, &bond_info);
 220                 if (ret != 0) {
 221                         RTE_BOND_LOG(ERR,
 222                                 "%s: Error during getting device (port %u) info: %s\n",
 223                                 __func__, bond_dev->data->port_id,
 224                                 strerror(-ret));
 225
 226                         return ret;
 227                 }
 228
 229                 internals->mode4.dedicated_queues.rx_qid = bond_info.nb_rx_queues;
 230                 internals->mode4.dedicated_queues.tx_qid = bond_info.nb_tx_queues;
 231
 232                 for (idx = 0; idx < internals->slave_count; idx++) {
 233                         if (bond_ethdev_8023ad_flow_verify(bond_dev,
 234                                         internals->slaves[idx].port_id) != 0)
 235                                 return -1;
 236                 }
 237         }
 238
 239         return 0;
 240 }
 241
 242 int
 243 bond_ethdev_8023ad_flow_set(struct rte_eth_dev *bond_dev, uint16_t slave_port) {
 244
 245         struct rte_flow_error error;
 246         struct bond_dev_private *internals = bond_dev->data->dev_private;
 247         struct rte_flow_action_queue lacp_queue_conf = {
 248                 .index = internals->mode4.dedicated_queues.rx_qid,
 249         };
 250
 251         const struct rte_flow_action actions[] = {
 252                 {
 253                         .type = RTE_FLOW_ACTION_TYPE_QUEUE,
 254                         .conf = &lacp_queue_conf
 255                 },
 256                 {
 257                         .type = RTE_FLOW_ACTION_TYPE_END,
 258                 }
 259         };
 260
 261         internals->mode4.dedicated_queues.flow[slave_port] = rte_flow_create(slave_port,
 262                         &flow_attr_8023ad, flow_item_8023ad, actions, &error);
 263         if (internals->mode4.dedicated_queues.flow[slave_port] == NULL) {
 264                 RTE_BOND_LOG(ERR, "bond_ethdev_8023ad_flow_set: %s "
 265                                 "(slave_port=%d queue_id=%d)",
 266                                 error.message, slave_port,
 267                                 internals->mode4.dedicated_queues.rx_qid);
 268                 return -1;
 269         }
 270
 271         return 0;
 272 }
 273
 274 static inline uint16_t
 275 rx_burst_8023ad(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts,
 276                 bool dedicated_rxq)
 277 {
 278         /* Cast to structure, containing bonded device's port id and queue id */
 279         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
 280         struct bond_dev_private *internals = bd_rx_q->dev_private;
 281         struct rte_eth_dev *bonded_eth_dev =
 282                                         &rte_eth_devices[internals->port_id];
 283         struct rte_ether_addr *bond_mac = bonded_eth_dev->data->mac_addrs;
 284         struct rte_ether_hdr *hdr;
 285
 286         const uint16_t ether_type_slow_be =
 287                 rte_be_to_cpu_16(RTE_ETHER_TYPE_SLOW);
 288         uint16_t num_rx_total = 0;      /* Total number of received packets */
 289         uint16_t slaves[RTE_MAX_ETHPORTS];
 290         uint16_t slave_count, idx;
 291
 292         uint8_t collecting;  /* current slave collecting status */
 293         const uint8_t promisc = rte_eth_promiscuous_get(internals->port_id);
 294         const uint8_t allmulti = rte_eth_allmulticast_get(internals->port_id);
 295         uint8_t subtype;
 296         uint16_t i;
 297         uint16_t j;
 298         uint16_t k;
 299
 300         /* Copy slave list to protect against slave up/down changes during tx
 301          * bursting */
 302         slave_count = internals->active_slave_count;
 303         memcpy(slaves, internals->active_slaves,
 304                         sizeof(internals->active_slaves[0]) * slave_count);
 305
 306         idx = bd_rx_q->active_slave;
 307         if (idx >= slave_count) {
 308                 bd_rx_q->active_slave = 0;
 309                 idx = 0;
 310         }
 311         for (i = 0; i < slave_count && num_rx_total < nb_pkts; i++) {
 312                 j = num_rx_total;
 313                 collecting = ACTOR_STATE(&bond_mode_8023ad_ports[slaves[idx]],
 314                                          COLLECTING);
 315
 316                 /* Read packets from this slave */
 317                 num_rx_total += rte_eth_rx_burst(slaves[idx], bd_rx_q->queue_id,
 318                                 &bufs[num_rx_total], nb_pkts - num_rx_total);
 319
 320                 for (k = j; k < 2 && k < num_rx_total; k++)
 321                         rte_prefetch0(rte_pktmbuf_mtod(bufs[k], void *));
 322
 323                 /* Handle slow protocol packets. */
 324                 while (j < num_rx_total) {
 325                         if (j + 3 < num_rx_total)
 326                                 rte_prefetch0(rte_pktmbuf_mtod(bufs[j + 3], void *));
 327
 328                         hdr = rte_pktmbuf_mtod(bufs[j], struct rte_ether_hdr *);
 329                         subtype = ((struct slow_protocol_frame *)hdr)->slow_protocol.subtype;
 330
 331                         /* Remove packet from array if:
 332                          * - it is slow packet but no dedicated rxq is present,
 333                          * - slave is not in collecting state,
 334                          * - bonding interface is not in promiscuous mode:
 335                          *   - packet is unicast and address does not match,
 336                          *   - packet is multicast and bonding interface
 337                          *     is not in allmulti,
 338                          */
 339                         if (unlikely(
 340                                 (!dedicated_rxq &&
 341                                  is_lacp_packets(hdr->ether_type, subtype,
 342                                                  bufs[j])) ||
 343                                 !collecting ||
 344                                 (!promisc &&
 345                                  ((rte_is_unicast_ether_addr(&hdr->dst_addr) &&
 346                                    !rte_is_same_ether_addr(bond_mac,
 347                                                        &hdr->dst_addr)) ||
 348                                   (!allmulti &&
 349                                    rte_is_multicast_ether_addr(&hdr->dst_addr)))))) {
 350
 351                                 if (hdr->ether_type == ether_type_slow_be) {
 352                                         bond_mode_8023ad_handle_slow_pkt(
 353                                             internals, slaves[idx], bufs[j]);
 354                                 } else
 355                                         rte_pktmbuf_free(bufs[j]);
 356
 357                                 /* Packet is managed by mode 4 or dropped, shift the array */
 358                                 num_rx_total--;
 359                                 if (j < num_rx_total) {
 360                                         memmove(&bufs[j], &bufs[j + 1], sizeof(bufs[0]) *
 361                                                 (num_rx_total - j));
 362                                 }
 363                         } else
 364                                 j++;
 365                 }
 366                 if (unlikely(++idx == slave_count))
 367                         idx = 0;
 368         }
 369
 370         if (++bd_rx_q->active_slave >= slave_count)
 371                 bd_rx_q->active_slave = 0;
 372
 373         return num_rx_total;
 374 }
 375
 376 static uint16_t
 377 bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
 378                 uint16_t nb_pkts)
 379 {
 380         return rx_burst_8023ad(queue, bufs, nb_pkts, false);
 381 }
 382
 383 static uint16_t
 384 bond_ethdev_rx_burst_8023ad_fast_queue(void *queue, struct rte_mbuf **bufs,
 385                 uint16_t nb_pkts)
 386 {
 387         return rx_burst_8023ad(queue, bufs, nb_pkts, true);
 388 }
 389
 390 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 391 uint32_t burstnumberRX;
 392 uint32_t burstnumberTX;
 393
 394 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 395
 396 static void
 397 arp_op_name(uint16_t arp_op, char *buf, size_t buf_len)
 398 {
 399         switch (arp_op) {
 400         case RTE_ARP_OP_REQUEST:
 401                 strlcpy(buf, "ARP Request", buf_len);
 402                 return;
 403         case RTE_ARP_OP_REPLY:
 404                 strlcpy(buf, "ARP Reply", buf_len);
 405                 return;
 406         case RTE_ARP_OP_REVREQUEST:
 407                 strlcpy(buf, "Reverse ARP Request", buf_len);
 408                 return;
 409         case RTE_ARP_OP_REVREPLY:
 410                 strlcpy(buf, "Reverse ARP Reply", buf_len);
 411                 return;
 412         case RTE_ARP_OP_INVREQUEST:
 413                 strlcpy(buf, "Peer Identify Request", buf_len);
 414                 return;
 415         case RTE_ARP_OP_INVREPLY:
 416                 strlcpy(buf, "Peer Identify Reply", buf_len);
 417                 return;
 418         default:
 419                 break;
 420         }
 421         strlcpy(buf, "Unknown", buf_len);
 422         return;
 423 }
 424 #endif
 425 #define MaxIPv4String   16
 426 static void
 427 ipv4_addr_to_dot(uint32_t be_ipv4_addr, char *buf, uint8_t buf_size)
 428 {
 429         uint32_t ipv4_addr;
 430
 431         ipv4_addr = rte_be_to_cpu_32(be_ipv4_addr);
 432         snprintf(buf, buf_size, "%d.%d.%d.%d", (ipv4_addr >> 24) & 0xFF,
 433                 (ipv4_addr >> 16) & 0xFF, (ipv4_addr >> 8) & 0xFF,
 434                 ipv4_addr & 0xFF);
 435 }
 436
 437 #define MAX_CLIENTS_NUMBER      128
 438 uint8_t active_clients;
 439 struct client_stats_t {
 440         uint16_t port;
 441         uint32_t ipv4_addr;
 442         uint32_t ipv4_rx_packets;
 443         uint32_t ipv4_tx_packets;
 444 };
 445 struct client_stats_t client_stats[MAX_CLIENTS_NUMBER];
 446
 447 static void
 448 update_client_stats(uint32_t addr, uint16_t port, uint32_t *TXorRXindicator)
 449 {
 450         int i = 0;
 451
 452         for (; i < MAX_CLIENTS_NUMBER; i++)     {
 453                 if ((client_stats[i].ipv4_addr == addr) && (client_stats[i].port == port))      {
 454                         /* Just update RX packets number for this client */
 455                         if (TXorRXindicator == &burstnumberRX)
 456                                 client_stats[i].ipv4_rx_packets++;
 457                         else
 458                                 client_stats[i].ipv4_tx_packets++;
 459                         return;
 460                 }
 461         }
 462         /* We have a new client. Insert him to the table, and increment stats */
 463         if (TXorRXindicator == &burstnumberRX)
 464                 client_stats[active_clients].ipv4_rx_packets++;
 465         else
 466                 client_stats[active_clients].ipv4_tx_packets++;
 467         client_stats[active_clients].ipv4_addr = addr;
 468         client_stats[active_clients].port = port;
 469         active_clients++;
 470
 471 }
 472
 473 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 474 #define MODE6_DEBUG(info, src_ip, dst_ip, eth_h, arp_op, port, burstnumber) \
 475         rte_log(RTE_LOG_DEBUG, bond_logtype,                            \
 476                 "%s port:%d SrcMAC:" RTE_ETHER_ADDR_PRT_FMT " SrcIP:%s " \
 477                 "DstMAC:" RTE_ETHER_ADDR_PRT_FMT " DstIP:%s %s %d\n", \
 478                 info,                                                   \
 479                 port,                                                   \
 480                 RTE_ETHER_ADDR_BYTES(&eth_h->src_addr),                  \
 481                 src_ip,                                                 \
 482                 RTE_ETHER_ADDR_BYTES(&eth_h->dst_addr),                  \
 483                 dst_ip,                                                 \
 484                 arp_op, ++burstnumber)
 485 #endif
 486
 487 static void
 488 mode6_debug(const char __rte_unused *info,
 489         struct rte_ether_hdr *eth_h, uint16_t port,
 490         uint32_t __rte_unused *burstnumber)
 491 {
 492         struct rte_ipv4_hdr *ipv4_h;
 493 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 494         struct rte_arp_hdr *arp_h;
 495         char dst_ip[16];
 496         char ArpOp[24];
 497         char buf[16];
 498 #endif
 499         char src_ip[16];
 500
 501         uint16_t ether_type = eth_h->ether_type;
 502         uint16_t offset = get_vlan_offset(eth_h, &ether_type);
 503
 504 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 505         strlcpy(buf, info, 16);
 506 #endif
 507
 508         if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4)) {
 509                 ipv4_h = (struct rte_ipv4_hdr *)((char *)(eth_h + 1) + offset);
 510                 ipv4_addr_to_dot(ipv4_h->src_addr, src_ip, MaxIPv4String);
 511 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 512                 ipv4_addr_to_dot(ipv4_h->dst_addr, dst_ip, MaxIPv4String);
 513                 MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, "", port, *burstnumber);
 514 #endif
 515                 update_client_stats(ipv4_h->src_addr, port, burstnumber);
 516         }
 517 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 518         else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
 519                 arp_h = (struct rte_arp_hdr *)((char *)(eth_h + 1) + offset);
 520                 ipv4_addr_to_dot(arp_h->arp_data.arp_sip, src_ip, MaxIPv4String);
 521                 ipv4_addr_to_dot(arp_h->arp_data.arp_tip, dst_ip, MaxIPv4String);
 522                 arp_op_name(rte_be_to_cpu_16(arp_h->arp_opcode),
 523                                 ArpOp, sizeof(ArpOp));
 524                 MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, ArpOp, port, *burstnumber);
 525         }
 526 #endif
 527 }
 528 #endif
 529
 530 static uint16_t
 531 bond_ethdev_rx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 532 {
 533         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
 534         struct bond_dev_private *internals = bd_rx_q->dev_private;
 535         struct rte_ether_hdr *eth_h;
 536         uint16_t ether_type, offset;
 537         uint16_t nb_recv_pkts;
 538         int i;
 539
 540         nb_recv_pkts = bond_ethdev_rx_burst(queue, bufs, nb_pkts);
 541
 542         for (i = 0; i < nb_recv_pkts; i++) {
 543                 eth_h = rte_pktmbuf_mtod(bufs[i], struct rte_ether_hdr *);
 544                 ether_type = eth_h->ether_type;
 545                 offset = get_vlan_offset(eth_h, &ether_type);
 546
 547                 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
 548 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 549                         mode6_debug("RX ARP:", eth_h, bufs[i]->port, &burstnumberRX);
 550 #endif
 551                         bond_mode_alb_arp_recv(eth_h, offset, internals);
 552                 }
 553 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 554                 else if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4))
 555                         mode6_debug("RX IPv4:", eth_h, bufs[i]->port, &burstnumberRX);
 556 #endif
 557         }
 558
 559         return nb_recv_pkts;
 560 }
 561
 562 static uint16_t
 563 bond_ethdev_tx_burst_round_robin(void *queue, struct rte_mbuf **bufs,
 564                 uint16_t nb_pkts)
 565 {
 566         struct bond_dev_private *internals;
 567         struct bond_tx_queue *bd_tx_q;
 568
 569         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
 570         uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 571
 572         uint16_t num_of_slaves;
 573         uint16_t slaves[RTE_MAX_ETHPORTS];
 574
 575         uint16_t num_tx_total = 0, num_tx_slave;
 576
 577         static int slave_idx = 0;
 578         int i, cslave_idx = 0, tx_fail_total = 0;
 579
 580         bd_tx_q = (struct bond_tx_queue *)queue;
 581         internals = bd_tx_q->dev_private;
 582
 583         /* Copy slave list to protect against slave up/down changes during tx
 584          * bursting */
 585         num_of_slaves = internals->active_slave_count;
 586         memcpy(slaves, internals->active_slaves,
 587                         sizeof(internals->active_slaves[0]) * num_of_slaves);
 588
 589         if (num_of_slaves < 1)
 590                 return num_tx_total;
 591
 592         /* Populate slaves mbuf with which packets are to be sent on it  */
 593         for (i = 0; i < nb_pkts; i++) {
 594                 cslave_idx = (slave_idx + i) % num_of_slaves;
 595                 slave_bufs[cslave_idx][(slave_nb_pkts[cslave_idx])++] = bufs[i];
 596         }
 597
 598         /* increment current slave index so the next call to tx burst starts on the
 599          * next slave */
 600         slave_idx = ++cslave_idx;
 601
 602         /* Send packet burst on each slave device */
 603         for (i = 0; i < num_of_slaves; i++) {
 604                 if (slave_nb_pkts[i] > 0) {
 605                         num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
 606                                         slave_bufs[i], slave_nb_pkts[i]);
 607
 608                         /* if tx burst fails move packets to end of bufs */
 609                         if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
 610                                 int tx_fail_slave = slave_nb_pkts[i] - num_tx_slave;
 611
 612                                 tx_fail_total += tx_fail_slave;
 613
 614                                 memcpy(&bufs[nb_pkts - tx_fail_total],
 615                                        &slave_bufs[i][num_tx_slave],
 616                                        tx_fail_slave * sizeof(bufs[0]));
 617                         }
 618                         num_tx_total += num_tx_slave;
 619                 }
 620         }
 621
 622         return num_tx_total;
 623 }
 624
 625 static uint16_t
 626 bond_ethdev_tx_burst_active_backup(void *queue,
 627                 struct rte_mbuf **bufs, uint16_t nb_pkts)
 628 {
 629         struct bond_dev_private *internals;
 630         struct bond_tx_queue *bd_tx_q;
 631
 632         bd_tx_q = (struct bond_tx_queue *)queue;
 633         internals = bd_tx_q->dev_private;
 634
 635         if (internals->active_slave_count < 1)
 636                 return 0;
 637
 638         return rte_eth_tx_burst(internals->current_primary_port, bd_tx_q->queue_id,
 639                         bufs, nb_pkts);
 640 }
 641
 642 static inline uint16_t
 643 ether_hash(struct rte_ether_hdr *eth_hdr)
 644 {
 645         unaligned_uint16_t *word_src_addr =
 646                 (unaligned_uint16_t *)eth_hdr->src_addr.addr_bytes;
 647         unaligned_uint16_t *word_dst_addr =
 648                 (unaligned_uint16_t *)eth_hdr->dst_addr.addr_bytes;
 649
 650         return (word_src_addr[0] ^ word_dst_addr[0]) ^
 651                         (word_src_addr[1] ^ word_dst_addr[1]) ^
 652                         (word_src_addr[2] ^ word_dst_addr[2]);
 653 }
 654
 655 static inline uint32_t
 656 ipv4_hash(struct rte_ipv4_hdr *ipv4_hdr)
 657 {
 658         return ipv4_hdr->src_addr ^ ipv4_hdr->dst_addr;
 659 }
 660
 661 static inline uint32_t
 662 ipv6_hash(struct rte_ipv6_hdr *ipv6_hdr)
 663 {
 664         unaligned_uint32_t *word_src_addr =
 665                 (unaligned_uint32_t *)&(ipv6_hdr->src_addr[0]);
 666         unaligned_uint32_t *word_dst_addr =
 667                 (unaligned_uint32_t *)&(ipv6_hdr->dst_addr[0]);
 668
 669         return (word_src_addr[0] ^ word_dst_addr[0]) ^
 670                         (word_src_addr[1] ^ word_dst_addr[1]) ^
 671                         (word_src_addr[2] ^ word_dst_addr[2]) ^
 672                         (word_src_addr[3] ^ word_dst_addr[3]);
 673 }
 674
 675
 676 void
 677 burst_xmit_l2_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
 678                 uint16_t slave_count, uint16_t *slaves)
 679 {
 680         struct rte_ether_hdr *eth_hdr;
 681         uint32_t hash;
 682         int i;
 683
 684         for (i = 0; i < nb_pkts; i++) {
 685                 eth_hdr = rte_pktmbuf_mtod(buf[i], struct rte_ether_hdr *);
 686
 687                 hash = ether_hash(eth_hdr);
 688
 689                 slaves[i] = (hash ^= hash >> 8) % slave_count;
 690         }
 691 }
 692
 693 void
 694 burst_xmit_l23_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
 695                 uint16_t slave_count, uint16_t *slaves)
 696 {
 697         uint16_t i;
 698         struct rte_ether_hdr *eth_hdr;
 699         uint16_t proto;
 700         size_t vlan_offset;
 701         uint32_t hash, l3hash;
 702
 703         for (i = 0; i < nb_pkts; i++) {
 704                 eth_hdr = rte_pktmbuf_mtod(buf[i], struct rte_ether_hdr *);
 705                 l3hash = 0;
 706
 707                 proto = eth_hdr->ether_type;
 708                 hash = ether_hash(eth_hdr);
 709
 710                 vlan_offset = get_vlan_offset(eth_hdr, &proto);
 711
 712                 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4) == proto) {
 713                         struct rte_ipv4_hdr *ipv4_hdr = (struct rte_ipv4_hdr *)
 714                                         ((char *)(eth_hdr + 1) + vlan_offset);
 715                         l3hash = ipv4_hash(ipv4_hdr);
 716
 717                 } else if (rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6) == proto) {
 718                         struct rte_ipv6_hdr *ipv6_hdr = (struct rte_ipv6_hdr *)
 719                                         ((char *)(eth_hdr + 1) + vlan_offset);
 720                         l3hash = ipv6_hash(ipv6_hdr);
 721                 }
 722
 723                 hash = hash ^ l3hash;
 724                 hash ^= hash >> 16;
 725                 hash ^= hash >> 8;
 726
 727                 slaves[i] = hash % slave_count;
 728         }
 729 }
 730
 731 void
 732 burst_xmit_l34_hash(struct rte_mbuf **buf, uint16_t nb_pkts,
 733                 uint16_t slave_count, uint16_t *slaves)
 734 {
 735         struct rte_ether_hdr *eth_hdr;
 736         uint16_t proto;
 737         size_t vlan_offset;
 738         int i;
 739
 740         struct rte_udp_hdr *udp_hdr;
 741         struct rte_tcp_hdr *tcp_hdr;
 742         uint32_t hash, l3hash, l4hash;
 743
 744         for (i = 0; i < nb_pkts; i++) {
 745                 eth_hdr = rte_pktmbuf_mtod(buf[i], struct rte_ether_hdr *);
 746                 size_t pkt_end = (size_t)eth_hdr + rte_pktmbuf_data_len(buf[i]);
 747                 proto = eth_hdr->ether_type;
 748                 vlan_offset = get_vlan_offset(eth_hdr, &proto);
 749                 l3hash = 0;
 750                 l4hash = 0;
 751
 752                 if (rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV4) == proto) {
 753                         struct rte_ipv4_hdr *ipv4_hdr = (struct rte_ipv4_hdr *)
 754                                         ((char *)(eth_hdr + 1) + vlan_offset);
 755                         size_t ip_hdr_offset;
 756
 757                         l3hash = ipv4_hash(ipv4_hdr);
 758
 759                         /* there is no L4 header in fragmented packet */
 760                         if (likely(rte_ipv4_frag_pkt_is_fragmented(ipv4_hdr)
 761                                                                 == 0)) {
 762                                 ip_hdr_offset = (ipv4_hdr->version_ihl
 763                                         & RTE_IPV4_HDR_IHL_MASK) *
 764                                         RTE_IPV4_IHL_MULTIPLIER;
 765
 766                                 if (ipv4_hdr->next_proto_id == IPPROTO_TCP) {
 767                                         tcp_hdr = (struct rte_tcp_hdr *)
 768                                                 ((char *)ipv4_hdr +
 769                                                         ip_hdr_offset);
 770                                         if ((size_t)tcp_hdr + sizeof(*tcp_hdr)
 771                                                         < pkt_end)
 772                                                 l4hash = HASH_L4_PORTS(tcp_hdr);
 773                                 } else if (ipv4_hdr->next_proto_id ==
 774                                                                 IPPROTO_UDP) {
 775                                         udp_hdr = (struct rte_udp_hdr *)
 776                                                 ((char *)ipv4_hdr +
 777                                                         ip_hdr_offset);
 778                                         if ((size_t)udp_hdr + sizeof(*udp_hdr)
 779                                                         < pkt_end)
 780                                                 l4hash = HASH_L4_PORTS(udp_hdr);
 781                                 }
 782                         }
 783                 } else if  (rte_cpu_to_be_16(RTE_ETHER_TYPE_IPV6) == proto) {
 784                         struct rte_ipv6_hdr *ipv6_hdr = (struct rte_ipv6_hdr *)
 785                                         ((char *)(eth_hdr + 1) + vlan_offset);
 786                         l3hash = ipv6_hash(ipv6_hdr);
 787
 788                         if (ipv6_hdr->proto == IPPROTO_TCP) {
 789                                 tcp_hdr = (struct rte_tcp_hdr *)(ipv6_hdr + 1);
 790                                 l4hash = HASH_L4_PORTS(tcp_hdr);
 791                         } else if (ipv6_hdr->proto == IPPROTO_UDP) {
 792                                 udp_hdr = (struct rte_udp_hdr *)(ipv6_hdr + 1);
 793                                 l4hash = HASH_L4_PORTS(udp_hdr);
 794                         }
 795                 }
 796
 797                 hash = l3hash ^ l4hash;
 798                 hash ^= hash >> 16;
 799                 hash ^= hash >> 8;
 800
 801                 slaves[i] = hash % slave_count;
 802         }
 803 }
 804
 805 struct bwg_slave {
 806         uint64_t bwg_left_int;
 807         uint64_t bwg_left_remainder;
 808         uint16_t slave;
 809 };
 810
 811 void
 812 bond_tlb_activate_slave(struct bond_dev_private *internals) {
 813         int i;
 814
 815         for (i = 0; i < internals->active_slave_count; i++) {
 816                 tlb_last_obytets[internals->active_slaves[i]] = 0;
 817         }
 818 }
 819
 820 static int
 821 bandwidth_cmp(const void *a, const void *b)
 822 {
 823         const struct bwg_slave *bwg_a = a;
 824         const struct bwg_slave *bwg_b = b;
 825         int64_t diff = (int64_t)bwg_b->bwg_left_int - (int64_t)bwg_a->bwg_left_int;
 826         int64_t diff2 = (int64_t)bwg_b->bwg_left_remainder -
 827                         (int64_t)bwg_a->bwg_left_remainder;
 828         if (diff > 0)
 829                 return 1;
 830         else if (diff < 0)
 831                 return -1;
 832         else if (diff2 > 0)
 833                 return 1;
 834         else if (diff2 < 0)
 835                 return -1;
 836         else
 837                 return 0;
 838 }
 839
 840 static void
 841 bandwidth_left(uint16_t port_id, uint64_t load, uint8_t update_idx,
 842                 struct bwg_slave *bwg_slave)
 843 {
 844         struct rte_eth_link link_status;
 845         int ret;
 846
 847         ret = rte_eth_link_get_nowait(port_id, &link_status);
 848         if (ret < 0) {
 849                 RTE_BOND_LOG(ERR, "Slave (port %u) link get failed: %s",
 850                              port_id, rte_strerror(-ret));
 851                 return;
 852         }
 853         uint64_t link_bwg = link_status.link_speed * 1000000ULL / 8;
 854         if (link_bwg == 0)
 855                 return;
 856         link_bwg = link_bwg * (update_idx+1) * REORDER_PERIOD_MS;
 857         bwg_slave->bwg_left_int = (link_bwg - 1000*load) / link_bwg;
 858         bwg_slave->bwg_left_remainder = (link_bwg - 1000*load) % link_bwg;
 859 }
 860
 861 static void
 862 bond_ethdev_update_tlb_slave_cb(void *arg)
 863 {
 864         struct bond_dev_private *internals = arg;
 865         struct rte_eth_stats slave_stats;
 866         struct bwg_slave bwg_array[RTE_MAX_ETHPORTS];
 867         uint16_t slave_count;
 868         uint64_t tx_bytes;
 869
 870         uint8_t update_stats = 0;
 871         uint16_t slave_id;
 872         uint16_t i;
 873
 874         internals->slave_update_idx++;
 875
 876
 877         if (internals->slave_update_idx >= REORDER_PERIOD_MS)
 878                 update_stats = 1;
 879
 880         for (i = 0; i < internals->active_slave_count; i++) {
 881                 slave_id = internals->active_slaves[i];
 882                 rte_eth_stats_get(slave_id, &slave_stats);
 883                 tx_bytes = slave_stats.obytes - tlb_last_obytets[slave_id];
 884                 bandwidth_left(slave_id, tx_bytes,
 885                                 internals->slave_update_idx, &bwg_array[i]);
 886                 bwg_array[i].slave = slave_id;
 887
 888                 if (update_stats) {
 889                         tlb_last_obytets[slave_id] = slave_stats.obytes;
 890                 }
 891         }
 892
 893         if (update_stats == 1)
 894                 internals->slave_update_idx = 0;
 895
 896         slave_count = i;
 897         qsort(bwg_array, slave_count, sizeof(bwg_array[0]), bandwidth_cmp);
 898         for (i = 0; i < slave_count; i++)
 899                 internals->tlb_slaves_order[i] = bwg_array[i].slave;
 900
 901         rte_eal_alarm_set(REORDER_PERIOD_MS * 1000, bond_ethdev_update_tlb_slave_cb,
 902                         (struct bond_dev_private *)internals);
 903 }
 904
 905 static uint16_t
 906 bond_ethdev_tx_burst_tlb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 907 {
 908         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
 909         struct bond_dev_private *internals = bd_tx_q->dev_private;
 910
 911         struct rte_eth_dev *primary_port =
 912                         &rte_eth_devices[internals->primary_port];
 913         uint16_t num_tx_total = 0;
 914         uint16_t i, j;
 915
 916         uint16_t num_of_slaves = internals->active_slave_count;
 917         uint16_t slaves[RTE_MAX_ETHPORTS];
 918
 919         struct rte_ether_hdr *ether_hdr;
 920         struct rte_ether_addr primary_slave_addr;
 921         struct rte_ether_addr active_slave_addr;
 922
 923         if (num_of_slaves < 1)
 924                 return num_tx_total;
 925
 926         memcpy(slaves, internals->tlb_slaves_order,
 927                                 sizeof(internals->tlb_slaves_order[0]) * num_of_slaves);
 928
 929
 930         rte_ether_addr_copy(primary_port->data->mac_addrs, &primary_slave_addr);
 931
 932         if (nb_pkts > 3) {
 933                 for (i = 0; i < 3; i++)
 934                         rte_prefetch0(rte_pktmbuf_mtod(bufs[i], void*));
 935         }
 936
 937         for (i = 0; i < num_of_slaves; i++) {
 938                 rte_eth_macaddr_get(slaves[i], &active_slave_addr);
 939                 for (j = num_tx_total; j < nb_pkts; j++) {
 940                         if (j + 3 < nb_pkts)
 941                                 rte_prefetch0(rte_pktmbuf_mtod(bufs[j+3], void*));
 942
 943                         ether_hdr = rte_pktmbuf_mtod(bufs[j],
 944                                                 struct rte_ether_hdr *);
 945                         if (rte_is_same_ether_addr(&ether_hdr->src_addr,
 946                                                         &primary_slave_addr))
 947                                 rte_ether_addr_copy(&active_slave_addr,
 948                                                 &ether_hdr->src_addr);
 949 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 950                                         mode6_debug("TX IPv4:", ether_hdr, slaves[i], &burstnumberTX);
 951 #endif
 952                 }
 953
 954                 num_tx_total += rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
 955                                 bufs + num_tx_total, nb_pkts - num_tx_total);
 956
 957                 if (num_tx_total == nb_pkts)
 958                         break;
 959         }
 960
 961         return num_tx_total;
 962 }
 963
 964 void
 965 bond_tlb_disable(struct bond_dev_private *internals)
 966 {
 967         rte_eal_alarm_cancel(bond_ethdev_update_tlb_slave_cb, internals);
 968 }
 969
 970 void
 971 bond_tlb_enable(struct bond_dev_private *internals)
 972 {
 973         bond_ethdev_update_tlb_slave_cb(internals);
 974 }
 975
 976 static uint16_t
 977 bond_ethdev_tx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 978 {
 979         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
 980         struct bond_dev_private *internals = bd_tx_q->dev_private;
 981
 982         struct rte_ether_hdr *eth_h;
 983         uint16_t ether_type, offset;
 984
 985         struct client_data *client_info;
 986
 987         /*
 988          * We create transmit buffers for every slave and one additional to send
 989          * through tlb. In worst case every packet will be send on one port.
 990          */
 991         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS + 1][nb_pkts];
 992         uint16_t slave_bufs_pkts[RTE_MAX_ETHPORTS + 1] = { 0 };
 993
 994         /*
 995          * We create separate transmit buffers for update packets as they won't
 996          * be counted in num_tx_total.
 997          */
 998         struct rte_mbuf *update_bufs[RTE_MAX_ETHPORTS][ALB_HASH_TABLE_SIZE];
 999         uint16_t update_bufs_pkts[RTE_MAX_ETHPORTS] = { 0 };
1000
1001         struct rte_mbuf *upd_pkt;
1002         size_t pkt_size;
1003
1004         uint16_t num_send, num_not_send = 0;
1005         uint16_t num_tx_total = 0;
1006         uint16_t slave_idx;
1007
1008         int i, j;
1009
1010         /* Search tx buffer for ARP packets and forward them to alb */
1011         for (i = 0; i < nb_pkts; i++) {
1012                 eth_h = rte_pktmbuf_mtod(bufs[i], struct rte_ether_hdr *);
1013                 ether_type = eth_h->ether_type;
1014                 offset = get_vlan_offset(eth_h, &ether_type);
1015
1016                 if (ether_type == rte_cpu_to_be_16(RTE_ETHER_TYPE_ARP)) {
1017                         slave_idx = bond_mode_alb_arp_xmit(eth_h, offset, internals);
1018
1019                         /* Change src mac in eth header */
1020                         rte_eth_macaddr_get(slave_idx, &eth_h->src_addr);
1021
1022                         /* Add packet to slave tx buffer */
1023                         slave_bufs[slave_idx][slave_bufs_pkts[slave_idx]] = bufs[i];
1024                         slave_bufs_pkts[slave_idx]++;
1025                 } else {
1026                         /* If packet is not ARP, send it with TLB policy */
1027                         slave_bufs[RTE_MAX_ETHPORTS][slave_bufs_pkts[RTE_MAX_ETHPORTS]] =
1028                                         bufs[i];
1029                         slave_bufs_pkts[RTE_MAX_ETHPORTS]++;
1030                 }
1031         }
1032
1033         /* Update connected client ARP tables */
1034         if (internals->mode6.ntt) {
1035                 for (i = 0; i < ALB_HASH_TABLE_SIZE; i++) {
1036                         client_info = &internals->mode6.client_table[i];
1037
1038                         if (client_info->in_use) {
1039                                 /* Allocate new packet to send ARP update on current slave */
1040                                 upd_pkt = rte_pktmbuf_alloc(internals->mode6.mempool);
1041                                 if (upd_pkt == NULL) {
1042                                         RTE_BOND_LOG(ERR,
1043                                                      "Failed to allocate ARP packet from pool");
1044                                         continue;
1045                                 }
1046                                 pkt_size = sizeof(struct rte_ether_hdr) +
1047                                         sizeof(struct rte_arp_hdr) +
1048                                         client_info->vlan_count *
1049                                         sizeof(struct rte_vlan_hdr);
1050                                 upd_pkt->data_len = pkt_size;
1051                                 upd_pkt->pkt_len = pkt_size;
1052
1053                                 slave_idx = bond_mode_alb_arp_upd(client_info, upd_pkt,
1054                                                 internals);
1055
1056                                 /* Add packet to update tx buffer */
1057                                 update_bufs[slave_idx][update_bufs_pkts[slave_idx]] = upd_pkt;
1058                                 update_bufs_pkts[slave_idx]++;
1059                         }
1060                 }
1061                 internals->mode6.ntt = 0;
1062         }
1063
1064         /* Send ARP packets on proper slaves */
1065         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
1066                 if (slave_bufs_pkts[i] > 0) {
1067                         num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id,
1068                                         slave_bufs[i], slave_bufs_pkts[i]);
1069                         for (j = 0; j < slave_bufs_pkts[i] - num_send; j++) {
1070                                 bufs[nb_pkts - 1 - num_not_send - j] =
1071                                                 slave_bufs[i][nb_pkts - 1 - j];
1072                         }
1073
1074                         num_tx_total += num_send;
1075                         num_not_send += slave_bufs_pkts[i] - num_send;
1076
1077 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
1078         /* Print TX stats including update packets */
1079                         for (j = 0; j < slave_bufs_pkts[i]; j++) {
1080                                 eth_h = rte_pktmbuf_mtod(slave_bufs[i][j],
1081                                                         struct rte_ether_hdr *);
1082                                 mode6_debug("TX ARP:", eth_h, i, &burstnumberTX);
1083                         }
1084 #endif
1085                 }
1086         }
1087
1088         /* Send update packets on proper slaves */
1089         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
1090                 if (update_bufs_pkts[i] > 0) {
1091                         num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id, update_bufs[i],
1092                                         update_bufs_pkts[i]);
1093                         for (j = num_send; j < update_bufs_pkts[i]; j++) {
1094                                 rte_pktmbuf_free(update_bufs[i][j]);
1095                         }
1096 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
1097                         for (j = 0; j < update_bufs_pkts[i]; j++) {
1098                                 eth_h = rte_pktmbuf_mtod(update_bufs[i][j],
1099                                                         struct rte_ether_hdr *);
1100                                 mode6_debug("TX ARPupd:", eth_h, i, &burstnumberTX);
1101                         }
1102 #endif
1103                 }
1104         }
1105
1106         /* Send non-ARP packets using tlb policy */
1107         if (slave_bufs_pkts[RTE_MAX_ETHPORTS] > 0) {
1108                 num_send = bond_ethdev_tx_burst_tlb(queue,
1109                                 slave_bufs[RTE_MAX_ETHPORTS],
1110                                 slave_bufs_pkts[RTE_MAX_ETHPORTS]);
1111
1112                 for (j = 0; j < slave_bufs_pkts[RTE_MAX_ETHPORTS]; j++) {
1113                         bufs[nb_pkts - 1 - num_not_send - j] =
1114                                         slave_bufs[RTE_MAX_ETHPORTS][nb_pkts - 1 - j];
1115                 }
1116
1117                 num_tx_total += num_send;
1118         }
1119
1120         return num_tx_total;
1121 }
1122
1123 static inline uint16_t
1124 tx_burst_balance(void *queue, struct rte_mbuf **bufs, uint16_t nb_bufs,
1125                  uint16_t *slave_port_ids, uint16_t slave_count)
1126 {
1127         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
1128         struct bond_dev_private *internals = bd_tx_q->dev_private;
1129
1130         /* Array to sort mbufs for transmission on each slave into */
1131         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_bufs];
1132         /* Number of mbufs for transmission on each slave */
1133         uint16_t slave_nb_bufs[RTE_MAX_ETHPORTS] = { 0 };
1134         /* Mapping array generated by hash function to map mbufs to slaves */
1135         uint16_t bufs_slave_port_idxs[nb_bufs];
1136
1137         uint16_t slave_tx_count;
1138         uint16_t total_tx_count = 0, total_tx_fail_count = 0;
1139
1140         uint16_t i;
1141
1142         /*
1143          * Populate slaves mbuf with the packets which are to be sent on it
1144          * selecting output slave using hash based on xmit policy
1145          */
1146         internals->burst_xmit_hash(bufs, nb_bufs, slave_count,
1147                         bufs_slave_port_idxs);
1148
1149         for (i = 0; i < nb_bufs; i++) {
1150                 /* Populate slave mbuf arrays with mbufs for that slave. */
1151                 uint16_t slave_idx = bufs_slave_port_idxs[i];
1152
1153                 slave_bufs[slave_idx][slave_nb_bufs[slave_idx]++] = bufs[i];
1154         }
1155
1156         /* Send packet burst on each slave device */
1157         for (i = 0; i < slave_count; i++) {
1158                 if (slave_nb_bufs[i] == 0)
1159                         continue;
1160
1161                 slave_tx_count = rte_eth_tx_burst(slave_port_ids[i],
1162                                 bd_tx_q->queue_id, slave_bufs[i],
1163                                 slave_nb_bufs[i]);
1164
1165                 total_tx_count += slave_tx_count;
1166
1167                 /* If tx burst fails move packets to end of bufs */
1168                 if (unlikely(slave_tx_count < slave_nb_bufs[i])) {
1169                         int slave_tx_fail_count = slave_nb_bufs[i] -
1170                                         slave_tx_count;
1171                         total_tx_fail_count += slave_tx_fail_count;
1172                         memcpy(&bufs[nb_bufs - total_tx_fail_count],
1173                                &slave_bufs[i][slave_tx_count],
1174                                slave_tx_fail_count * sizeof(bufs[0]));
1175                 }
1176         }
1177
1178         return total_tx_count;
1179 }
1180
1181 static uint16_t
1182 bond_ethdev_tx_burst_balance(void *queue, struct rte_mbuf **bufs,
1183                 uint16_t nb_bufs)
1184 {
1185         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
1186         struct bond_dev_private *internals = bd_tx_q->dev_private;
1187
1188         uint16_t slave_port_ids[RTE_MAX_ETHPORTS];
1189         uint16_t slave_count;
1190
1191         if (unlikely(nb_bufs == 0))
1192                 return 0;
1193
1194         /* Copy slave list to protect against slave up/down changes during tx
1195          * bursting
1196          */
1197         slave_count = internals->active_slave_count;
1198         if (unlikely(slave_count < 1))
1199                 return 0;
1200
1201         memcpy(slave_port_ids, internals->active_slaves,
1202                         sizeof(slave_port_ids[0]) * slave_count);
1203         return tx_burst_balance(queue, bufs, nb_bufs, slave_port_ids,
1204                                 slave_count);
1205 }
1206
1207 static inline uint16_t
1208 tx_burst_8023ad(void *queue, struct rte_mbuf **bufs, uint16_t nb_bufs,
1209                 bool dedicated_txq)
1210 {
1211         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
1212         struct bond_dev_private *internals = bd_tx_q->dev_private;
1213
1214         uint16_t slave_port_ids[RTE_MAX_ETHPORTS];
1215         uint16_t slave_count;
1216
1217         uint16_t dist_slave_port_ids[RTE_MAX_ETHPORTS];
1218         uint16_t dist_slave_count;
1219
1220         uint16_t slave_tx_count;
1221
1222         uint16_t i;
1223
1224         /* Copy slave list to protect against slave up/down changes during tx
1225          * bursting */
1226         slave_count = internals->active_slave_count;
1227         if (unlikely(slave_count < 1))
1228                 return 0;
1229
1230         memcpy(slave_port_ids, internals->active_slaves,
1231                         sizeof(slave_port_ids[0]) * slave_count);
1232
1233         if (dedicated_txq)
1234                 goto skip_tx_ring;
1235
1236         /* Check for LACP control packets and send if available */
1237         for (i = 0; i < slave_count; i++) {
1238                 struct port *port = &bond_mode_8023ad_ports[slave_port_ids[i]];
1239                 struct rte_mbuf *ctrl_pkt = NULL;
1240
1241                 if (likely(rte_ring_empty(port->tx_ring)))
1242                         continue;
1243
1244                 if (rte_ring_dequeue(port->tx_ring,
1245                                      (void **)&ctrl_pkt) != -ENOENT) {
1246                         slave_tx_count = rte_eth_tx_burst(slave_port_ids[i],
1247                                         bd_tx_q->queue_id, &ctrl_pkt, 1);
1248                         /*
1249                          * re-enqueue LAG control plane packets to buffering
1250                          * ring if transmission fails so the packet isn't lost.
1251                          */
1252                         if (slave_tx_count != 1)
1253                                 rte_ring_enqueue(port->tx_ring, ctrl_pkt);
1254                 }
1255         }
1256
1257 skip_tx_ring:
1258         if (unlikely(nb_bufs == 0))
1259                 return 0;
1260
1261         dist_slave_count = 0;
1262         for (i = 0; i < slave_count; i++) {
1263                 struct port *port = &bond_mode_8023ad_ports[slave_port_ids[i]];
1264
1265                 if (ACTOR_STATE(port, DISTRIBUTING))
1266                         dist_slave_port_ids[dist_slave_count++] =
1267                                         slave_port_ids[i];
1268         }
1269
1270         if (unlikely(dist_slave_count < 1))
1271                 return 0;
1272
1273         return tx_burst_balance(queue, bufs, nb_bufs, dist_slave_port_ids,
1274                                 dist_slave_count);
1275 }
1276
1277 static uint16_t
1278 bond_ethdev_tx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
1279                 uint16_t nb_bufs)
1280 {
1281         return tx_burst_8023ad(queue, bufs, nb_bufs, false);
1282 }
1283
1284 static uint16_t
1285 bond_ethdev_tx_burst_8023ad_fast_queue(void *queue, struct rte_mbuf **bufs,
1286                 uint16_t nb_bufs)
1287 {
1288         return tx_burst_8023ad(queue, bufs, nb_bufs, true);
1289 }
1290
1291 static uint16_t
1292 bond_ethdev_tx_burst_broadcast(void *queue, struct rte_mbuf **bufs,
1293                 uint16_t nb_pkts)
1294 {
1295         struct bond_dev_private *internals;
1296         struct bond_tx_queue *bd_tx_q;
1297
1298         uint16_t slaves[RTE_MAX_ETHPORTS];
1299         uint8_t tx_failed_flag = 0;
1300         uint16_t num_of_slaves;
1301
1302         uint16_t max_nb_of_tx_pkts = 0;
1303
1304         int slave_tx_total[RTE_MAX_ETHPORTS];
1305         int i, most_successful_tx_slave = -1;
1306
1307         bd_tx_q = (struct bond_tx_queue *)queue;
1308         internals = bd_tx_q->dev_private;
1309
1310         /* Copy slave list to protect against slave up/down changes during tx
1311          * bursting */
1312         num_of_slaves = internals->active_slave_count;
1313         memcpy(slaves, internals->active_slaves,
1314                         sizeof(internals->active_slaves[0]) * num_of_slaves);
1315
1316         if (num_of_slaves < 1)
1317                 return 0;
1318
1319         /* Increment reference count on mbufs */
1320         for (i = 0; i < nb_pkts; i++)
1321                 rte_pktmbuf_refcnt_update(bufs[i], num_of_slaves - 1);
1322
1323         /* Transmit burst on each active slave */
1324         for (i = 0; i < num_of_slaves; i++) {
1325                 slave_tx_total[i] = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
1326                                         bufs, nb_pkts);
1327
1328                 if (unlikely(slave_tx_total[i] < nb_pkts))
1329                         tx_failed_flag = 1;
1330
1331                 /* record the value and slave index for the slave which transmits the
1332                  * maximum number of packets */
1333                 if (slave_tx_total[i] > max_nb_of_tx_pkts) {
1334                         max_nb_of_tx_pkts = slave_tx_total[i];
1335                         most_successful_tx_slave = i;
1336                 }
1337         }
1338
1339         /* if slaves fail to transmit packets from burst, the calling application
1340          * is not expected to know about multiple references to packets so we must
1341          * handle failures of all packets except those of the most successful slave
1342          */
1343         if (unlikely(tx_failed_flag))
1344                 for (i = 0; i < num_of_slaves; i++)
1345                         if (i != most_successful_tx_slave)
1346                                 while (slave_tx_total[i] < nb_pkts)
1347                                         rte_pktmbuf_free(bufs[slave_tx_total[i]++]);
1348
1349         return max_nb_of_tx_pkts;
1350 }
1351
1352 static void
1353 link_properties_set(struct rte_eth_dev *ethdev, struct rte_eth_link *slave_link)
1354 {
1355         struct bond_dev_private *bond_ctx = ethdev->data->dev_private;
1356
1357         if (bond_ctx->mode == BONDING_MODE_8023AD) {
1358                 /**
1359                  * If in mode 4 then save the link properties of the first
1360                  * slave, all subsequent slaves must match these properties
1361                  */
1362                 struct rte_eth_link *bond_link = &bond_ctx->mode4.slave_link;
1363
1364                 bond_link->link_autoneg = slave_link->link_autoneg;
1365                 bond_link->link_duplex = slave_link->link_duplex;
1366                 bond_link->link_speed = slave_link->link_speed;
1367         } else {
1368                 /**
1369                  * In any other mode the link properties are set to default
1370                  * values of AUTONEG/DUPLEX
1371                  */
1372                 ethdev->data->dev_link.link_autoneg = RTE_ETH_LINK_AUTONEG;
1373                 ethdev->data->dev_link.link_duplex = RTE_ETH_LINK_FULL_DUPLEX;
1374         }
1375 }
1376
1377 static int
1378 link_properties_valid(struct rte_eth_dev *ethdev,
1379                 struct rte_eth_link *slave_link)
1380 {
1381         struct bond_dev_private *bond_ctx = ethdev->data->dev_private;
1382
1383         if (bond_ctx->mode == BONDING_MODE_8023AD) {
1384                 struct rte_eth_link *bond_link = &bond_ctx->mode4.slave_link;
1385
1386                 if (bond_link->link_duplex != slave_link->link_duplex ||
1387                         bond_link->link_autoneg != slave_link->link_autoneg ||
1388                         bond_link->link_speed != slave_link->link_speed)
1389                         return -1;
1390         }
1391
1392         return 0;
1393 }
1394
1395 int
1396 mac_address_get(struct rte_eth_dev *eth_dev,
1397                 struct rte_ether_addr *dst_mac_addr)
1398 {
1399         struct rte_ether_addr *mac_addr;
1400
1401         if (eth_dev == NULL) {
1402                 RTE_BOND_LOG(ERR, "NULL pointer eth_dev specified");
1403                 return -1;
1404         }
1405
1406         if (dst_mac_addr == NULL) {
1407                 RTE_BOND_LOG(ERR, "NULL pointer MAC specified");
1408                 return -1;
1409         }
1410
1411         mac_addr = eth_dev->data->mac_addrs;
1412
1413         rte_ether_addr_copy(mac_addr, dst_mac_addr);
1414         return 0;
1415 }
1416
1417 int
1418 mac_address_set(struct rte_eth_dev *eth_dev,
1419                 struct rte_ether_addr *new_mac_addr)
1420 {
1421         struct rte_ether_addr *mac_addr;
1422
1423         if (eth_dev == NULL) {
1424                 RTE_BOND_LOG(ERR, "NULL pointer eth_dev specified");
1425                 return -1;
1426         }
1427
1428         if (new_mac_addr == NULL) {
1429                 RTE_BOND_LOG(ERR, "NULL pointer MAC specified");
1430                 return -1;
1431         }
1432
1433         mac_addr = eth_dev->data->mac_addrs;
1434
1435         /* If new MAC is different to current MAC then update */
1436         if (memcmp(mac_addr, new_mac_addr, sizeof(*mac_addr)) != 0)
1437                 memcpy(mac_addr, new_mac_addr, sizeof(*mac_addr));
1438
1439         return 0;
1440 }
1441
1442 static const struct rte_ether_addr null_mac_addr;
1443
1444 /*
1445  * Add additional MAC addresses to the slave
1446  */
1447 int
1448 slave_add_mac_addresses(struct rte_eth_dev *bonded_eth_dev,
1449                 uint16_t slave_port_id)
1450 {
1451         int i, ret;
1452         struct rte_ether_addr *mac_addr;
1453
1454         for (i = 1; i < BOND_MAX_MAC_ADDRS; i++) {
1455                 mac_addr = &bonded_eth_dev->data->mac_addrs[i];
1456                 if (rte_is_same_ether_addr(mac_addr, &null_mac_addr))
1457                         break;
1458
1459                 ret = rte_eth_dev_mac_addr_add(slave_port_id, mac_addr, 0);
1460                 if (ret < 0) {
1461                         /* rollback */
1462                         for (i--; i > 0; i--)
1463                                 rte_eth_dev_mac_addr_remove(slave_port_id,
1464                                         &bonded_eth_dev->data->mac_addrs[i]);
1465                         return ret;
1466                 }
1467         }
1468
1469         return 0;
1470 }
1471
1472 /*
1473  * Remove additional MAC addresses from the slave
1474  */
1475 int
1476 slave_remove_mac_addresses(struct rte_eth_dev *bonded_eth_dev,
1477                 uint16_t slave_port_id)
1478 {
1479         int i, rc, ret;
1480         struct rte_ether_addr *mac_addr;
1481
1482         rc = 0;
1483         for (i = 1; i < BOND_MAX_MAC_ADDRS; i++) {
1484                 mac_addr = &bonded_eth_dev->data->mac_addrs[i];
1485                 if (rte_is_same_ether_addr(mac_addr, &null_mac_addr))
1486                         break;
1487
1488                 ret = rte_eth_dev_mac_addr_remove(slave_port_id, mac_addr);
1489                 /* save only the first error */
1490                 if (ret < 0 && rc == 0)
1491                         rc = ret;
1492         }
1493
1494         return rc;
1495 }
1496
1497 int
1498 mac_address_slaves_update(struct rte_eth_dev *bonded_eth_dev)
1499 {
1500         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1501         bool set;
1502         int i;
1503
1504         /* Update slave devices MAC addresses */
1505         if (internals->slave_count < 1)
1506                 return -1;
1507
1508         switch (internals->mode) {
1509         case BONDING_MODE_ROUND_ROBIN:
1510         case BONDING_MODE_BALANCE:
1511         case BONDING_MODE_BROADCAST:
1512                 for (i = 0; i < internals->slave_count; i++) {
1513                         if (rte_eth_dev_default_mac_addr_set(
1514                                         internals->slaves[i].port_id,
1515                                         bonded_eth_dev->data->mac_addrs)) {
1516                                 RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1517                                                 internals->slaves[i].port_id);
1518                                 return -1;
1519                         }
1520                 }
1521                 break;
1522         case BONDING_MODE_8023AD:
1523                 bond_mode_8023ad_mac_address_update(bonded_eth_dev);
1524                 break;
1525         case BONDING_MODE_ACTIVE_BACKUP:
1526         case BONDING_MODE_TLB:
1527         case BONDING_MODE_ALB:
1528         default:
1529                 set = true;
1530                 for (i = 0; i < internals->slave_count; i++) {
1531                         if (internals->slaves[i].port_id ==
1532                                         internals->current_primary_port) {
1533                                 if (rte_eth_dev_default_mac_addr_set(
1534                                                 internals->current_primary_port,
1535                                                 bonded_eth_dev->data->mac_addrs)) {
1536                                         RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1537                                                         internals->current_primary_port);
1538                                         set = false;
1539                                 }
1540                         } else {
1541                                 if (rte_eth_dev_default_mac_addr_set(
1542                                                 internals->slaves[i].port_id,
1543                                                 &internals->slaves[i].persisted_mac_addr)) {
1544                                         RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1545                                                         internals->slaves[i].port_id);
1546                                 }
1547                         }
1548                 }
1549                 if (!set)
1550                         return -1;
1551         }
1552
1553         return 0;
1554 }
1555
1556 int
1557 bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, uint8_t mode)
1558 {
1559         struct bond_dev_private *internals;
1560
1561         internals = eth_dev->data->dev_private;
1562
1563         switch (mode) {
1564         case BONDING_MODE_ROUND_ROBIN:
1565                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_round_robin;
1566                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1567                 break;
1568         case BONDING_MODE_ACTIVE_BACKUP:
1569                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_active_backup;
1570                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
1571                 break;
1572         case BONDING_MODE_BALANCE:
1573                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_balance;
1574                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1575                 break;
1576         case BONDING_MODE_BROADCAST:
1577                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
1578                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1579                 break;
1580         case BONDING_MODE_8023AD:
1581                 if (bond_mode_8023ad_enable(eth_dev) != 0)
1582                         return -1;
1583
1584                 if (internals->mode4.dedicated_queues.enabled == 0) {
1585                         eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_8023ad;
1586                         eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_8023ad;
1587                         RTE_BOND_LOG(WARNING,
1588                                 "Using mode 4, it is necessary to do TX burst "
1589                                 "and RX burst at least every 100ms.");
1590                 } else {
1591                         /* Use flow director's optimization */
1592                         eth_dev->rx_pkt_burst =
1593                                         bond_ethdev_rx_burst_8023ad_fast_queue;
1594                         eth_dev->tx_pkt_burst =
1595                                         bond_ethdev_tx_burst_8023ad_fast_queue;
1596                 }
1597                 break;
1598         case BONDING_MODE_TLB:
1599                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_tlb;
1600                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
1601                 break;
1602         case BONDING_MODE_ALB:
1603                 if (bond_mode_alb_enable(eth_dev) != 0)
1604                         return -1;
1605
1606                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_alb;
1607                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_alb;
1608                 break;
1609         default:
1610                 return -1;
1611         }
1612
1613         internals->mode = mode;
1614
1615         return 0;
1616 }
1617
1618
1619 static int
1620 slave_configure_slow_queue(struct rte_eth_dev *bonded_eth_dev,
1621                 struct rte_eth_dev *slave_eth_dev)
1622 {
1623         int errval = 0;
1624         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1625         struct port *port = &bond_mode_8023ad_ports[slave_eth_dev->data->port_id];
1626
1627         if (port->slow_pool == NULL) {
1628                 char mem_name[256];
1629                 int slave_id = slave_eth_dev->data->port_id;
1630
1631                 snprintf(mem_name, RTE_DIM(mem_name), "slave_port%u_slow_pool",
1632                                 slave_id);
1633                 port->slow_pool = rte_pktmbuf_pool_create(mem_name, 8191,
1634                         250, 0, RTE_MBUF_DEFAULT_BUF_SIZE,
1635                         slave_eth_dev->data->numa_node);
1636
1637                 /* Any memory allocation failure in initialization is critical because
1638                  * resources can't be free, so reinitialization is impossible. */
1639                 if (port->slow_pool == NULL) {
1640                         rte_panic("Slave %u: Failed to create memory pool '%s': %s\n",
1641                                 slave_id, mem_name, rte_strerror(rte_errno));
1642                 }
1643         }
1644
1645         if (internals->mode4.dedicated_queues.enabled == 1) {
1646                 /* Configure slow Rx queue */
1647
1648                 errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id,
1649                                 internals->mode4.dedicated_queues.rx_qid, 128,
1650                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1651                                 NULL, port->slow_pool);
1652                 if (errval != 0) {
1653                         RTE_BOND_LOG(ERR,
1654                                         "rte_eth_rx_queue_setup: port=%d queue_id %d, err (%d)",
1655                                         slave_eth_dev->data->port_id,
1656                                         internals->mode4.dedicated_queues.rx_qid,
1657                                         errval);
1658                         return errval;
1659                 }
1660
1661                 errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id,
1662                                 internals->mode4.dedicated_queues.tx_qid, 512,
1663                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1664                                 NULL);
1665                 if (errval != 0) {
1666                         RTE_BOND_LOG(ERR,
1667                                 "rte_eth_tx_queue_setup: port=%d queue_id %d, err (%d)",
1668                                 slave_eth_dev->data->port_id,
1669                                 internals->mode4.dedicated_queues.tx_qid,
1670                                 errval);
1671                         return errval;
1672                 }
1673         }
1674         return 0;
1675 }
1676
1677 int
1678 slave_configure(struct rte_eth_dev *bonded_eth_dev,
1679                 struct rte_eth_dev *slave_eth_dev)
1680 {
1681         uint16_t nb_rx_queues;
1682         uint16_t nb_tx_queues;
1683
1684         int errval;
1685
1686         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1687
1688         /* Stop slave */
1689         errval = rte_eth_dev_stop(slave_eth_dev->data->port_id);
1690         if (errval != 0)
1691                 RTE_BOND_LOG(ERR, "rte_eth_dev_stop: port %u, err (%d)",
1692                              slave_eth_dev->data->port_id, errval);
1693
1694         /* Enable interrupts on slave device if supported */
1695         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
1696                 slave_eth_dev->data->dev_conf.intr_conf.lsc = 1;
1697
1698         /* If RSS is enabled for bonding, try to enable it for slaves  */
1699         if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS_FLAG) {
1700                 /* rss_key won't be empty if RSS is configured in bonded dev */
1701                 slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len =
1702                                         internals->rss_key_len;
1703                 slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key =
1704                                         internals->rss_key;
1705
1706                 slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1707                                 bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
1708                 slave_eth_dev->data->dev_conf.rxmode.mq_mode =
1709                                 bonded_eth_dev->data->dev_conf.rxmode.mq_mode;
1710         }
1711
1712         slave_eth_dev->data->dev_conf.rxmode.mtu =
1713                         bonded_eth_dev->data->dev_conf.rxmode.mtu;
1714
1715         slave_eth_dev->data->dev_conf.txmode.offloads |=
1716                 bonded_eth_dev->data->dev_conf.txmode.offloads;
1717
1718         slave_eth_dev->data->dev_conf.txmode.offloads &=
1719                 (bonded_eth_dev->data->dev_conf.txmode.offloads |
1720                 ~internals->tx_offload_capa);
1721
1722         slave_eth_dev->data->dev_conf.rxmode.offloads |=
1723                 bonded_eth_dev->data->dev_conf.rxmode.offloads;
1724
1725         slave_eth_dev->data->dev_conf.rxmode.offloads &=
1726                 (bonded_eth_dev->data->dev_conf.rxmode.offloads |
1727                 ~internals->rx_offload_capa);
1728
1729
1730         nb_rx_queues = bonded_eth_dev->data->nb_rx_queues;
1731         nb_tx_queues = bonded_eth_dev->data->nb_tx_queues;
1732
1733         if (internals->mode == BONDING_MODE_8023AD) {
1734                 if (internals->mode4.dedicated_queues.enabled == 1) {
1735                         nb_rx_queues++;
1736                         nb_tx_queues++;
1737                 }
1738         }
1739
1740         /* Configure device */
1741         errval = rte_eth_dev_configure(slave_eth_dev->data->port_id,
1742                         nb_rx_queues, nb_tx_queues,
1743                         &(slave_eth_dev->data->dev_conf));
1744         if (errval != 0) {
1745                 RTE_BOND_LOG(ERR, "Cannot configure slave device: port %u, err (%d)",
1746                                 slave_eth_dev->data->port_id, errval);
1747                 return errval;
1748         }
1749
1750         errval = rte_eth_dev_set_mtu(slave_eth_dev->data->port_id,
1751                                      bonded_eth_dev->data->mtu);
1752         if (errval != 0 && errval != -ENOTSUP) {
1753                 RTE_BOND_LOG(ERR, "rte_eth_dev_set_mtu: port %u, err (%d)",
1754                                 slave_eth_dev->data->port_id, errval);
1755                 return errval;
1756         }
1757         return 0;
1758 }
1759
1760 int
1761 slave_start(struct rte_eth_dev *bonded_eth_dev,
1762                 struct rte_eth_dev *slave_eth_dev)
1763 {
1764         int errval = 0;
1765         struct bond_rx_queue *bd_rx_q;
1766         struct bond_tx_queue *bd_tx_q;
1767         uint16_t q_id;
1768         struct rte_flow_error flow_error;
1769         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1770
1771         /* Setup Rx Queues */
1772         for (q_id = 0; q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
1773                 bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
1774
1775                 errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
1776                                 bd_rx_q->nb_rx_desc,
1777                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1778                                 &(bd_rx_q->rx_conf), bd_rx_q->mb_pool);
1779                 if (errval != 0) {
1780                         RTE_BOND_LOG(ERR,
1781                                         "rte_eth_rx_queue_setup: port=%d queue_id %d, err (%d)",
1782                                         slave_eth_dev->data->port_id, q_id, errval);
1783                         return errval;
1784                 }
1785         }
1786
1787         /* Setup Tx Queues */
1788         for (q_id = 0; q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
1789                 bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
1790
1791                 errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
1792                                 bd_tx_q->nb_tx_desc,
1793                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1794                                 &bd_tx_q->tx_conf);
1795                 if (errval != 0) {
1796                         RTE_BOND_LOG(ERR,
1797                                 "rte_eth_tx_queue_setup: port=%d queue_id %d, err (%d)",
1798                                 slave_eth_dev->data->port_id, q_id, errval);
1799                         return errval;
1800                 }
1801         }
1802
1803         if (internals->mode == BONDING_MODE_8023AD &&
1804                         internals->mode4.dedicated_queues.enabled == 1) {
1805                 if (slave_configure_slow_queue(bonded_eth_dev, slave_eth_dev)
1806                                 != 0)
1807                         return errval;
1808
1809                 errval = bond_ethdev_8023ad_flow_verify(bonded_eth_dev,
1810                                 slave_eth_dev->data->port_id);
1811                 if (errval != 0) {
1812                         RTE_BOND_LOG(ERR,
1813                                 "bond_ethdev_8023ad_flow_verify: port=%d, err (%d)",
1814                                 slave_eth_dev->data->port_id, errval);
1815                         return errval;
1816                 }
1817
1818                 if (internals->mode4.dedicated_queues.flow[slave_eth_dev->data->port_id] != NULL) {
1819                         errval = rte_flow_destroy(slave_eth_dev->data->port_id,
1820                                         internals->mode4.dedicated_queues.flow[slave_eth_dev->data->port_id],
1821                                         &flow_error);
1822                         RTE_BOND_LOG(ERR, "bond_ethdev_8023ad_flow_destroy: port=%d, err (%d)",
1823                                 slave_eth_dev->data->port_id, errval);
1824                 }
1825
1826                 errval = bond_ethdev_8023ad_flow_set(bonded_eth_dev,
1827                                 slave_eth_dev->data->port_id);
1828                 if (errval != 0) {
1829                         RTE_BOND_LOG(ERR,
1830                                 "bond_ethdev_8023ad_flow_set: port=%d, err (%d)",
1831                                 slave_eth_dev->data->port_id, errval);
1832                         return errval;
1833                 }
1834         }
1835
1836         /* Start device */
1837         errval = rte_eth_dev_start(slave_eth_dev->data->port_id);
1838         if (errval != 0) {
1839                 RTE_BOND_LOG(ERR, "rte_eth_dev_start: port=%u, err (%d)",
1840                                 slave_eth_dev->data->port_id, errval);
1841                 return -1;
1842         }
1843
1844         /* If RSS is enabled for bonding, synchronize RETA */
1845         if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS) {
1846                 int i;
1847                 struct bond_dev_private *internals;
1848
1849                 internals = bonded_eth_dev->data->dev_private;
1850
1851                 for (i = 0; i < internals->slave_count; i++) {
1852                         if (internals->slaves[i].port_id == slave_eth_dev->data->port_id) {
1853                                 errval = rte_eth_dev_rss_reta_update(
1854                                                 slave_eth_dev->data->port_id,
1855                                                 &internals->reta_conf[0],
1856                                                 internals->slaves[i].reta_size);
1857                                 if (errval != 0) {
1858                                         RTE_BOND_LOG(WARNING,
1859                                                      "rte_eth_dev_rss_reta_update on slave port %d fails (err %d)."
1860                                                      " RSS Configuration for bonding may be inconsistent.",
1861                                                      slave_eth_dev->data->port_id, errval);
1862                                 }
1863                                 break;
1864                         }
1865                 }
1866         }
1867
1868         /* If lsc interrupt is set, check initial slave's link status */
1869         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC) {
1870                 slave_eth_dev->dev_ops->link_update(slave_eth_dev, 0);
1871                 bond_ethdev_lsc_event_callback(slave_eth_dev->data->port_id,
1872                         RTE_ETH_EVENT_INTR_LSC, &bonded_eth_dev->data->port_id,
1873                         NULL);
1874         }
1875
1876         return 0;
1877 }
1878
1879 void
1880 slave_remove(struct bond_dev_private *internals,
1881                 struct rte_eth_dev *slave_eth_dev)
1882 {
1883         uint16_t i;
1884
1885         for (i = 0; i < internals->slave_count; i++)
1886                 if (internals->slaves[i].port_id ==
1887                                 slave_eth_dev->data->port_id)
1888                         break;
1889
1890         if (i < (internals->slave_count - 1)) {
1891                 struct rte_flow *flow;
1892
1893                 memmove(&internals->slaves[i], &internals->slaves[i + 1],
1894                                 sizeof(internals->slaves[0]) *
1895                                 (internals->slave_count - i - 1));
1896                 TAILQ_FOREACH(flow, &internals->flow_list, next) {
1897                         memmove(&flow->flows[i], &flow->flows[i + 1],
1898                                 sizeof(flow->flows[0]) *
1899                                 (internals->slave_count - i - 1));
1900                         flow->flows[internals->slave_count - 1] = NULL;
1901                 }
1902         }
1903
1904         internals->slave_count--;
1905
1906         /* force reconfiguration of slave interfaces */
1907         rte_eth_dev_internal_reset(slave_eth_dev);
1908 }
1909
1910 static void
1911 bond_ethdev_slave_link_status_change_monitor(void *cb_arg);
1912
1913 void
1914 slave_add(struct bond_dev_private *internals,
1915                 struct rte_eth_dev *slave_eth_dev)
1916 {
1917         struct bond_slave_details *slave_details =
1918                         &internals->slaves[internals->slave_count];
1919
1920         slave_details->port_id = slave_eth_dev->data->port_id;
1921         slave_details->last_link_status = 0;
1922
1923         /* Mark slave devices that don't support interrupts so we can
1924          * compensate when we start the bond
1925          */
1926         if (!(slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)) {
1927                 slave_details->link_status_poll_enabled = 1;
1928         }
1929
1930         slave_details->link_status_wait_to_complete = 0;
1931         /* clean tlb_last_obytes when adding port for bonding device */
1932         memcpy(&(slave_details->persisted_mac_addr), slave_eth_dev->data->mac_addrs,
1933                         sizeof(struct rte_ether_addr));
1934 }
1935
1936 void
1937 bond_ethdev_primary_set(struct bond_dev_private *internals,
1938                 uint16_t slave_port_id)
1939 {
1940         int i;
1941
1942         if (internals->active_slave_count < 1)
1943                 internals->current_primary_port = slave_port_id;
1944         else
1945                 /* Search bonded device slave ports for new proposed primary port */
1946                 for (i = 0; i < internals->active_slave_count; i++) {
1947                         if (internals->active_slaves[i] == slave_port_id)
1948                                 internals->current_primary_port = slave_port_id;
1949                 }
1950 }
1951
1952 static int
1953 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev);
1954
1955 static int
1956 bond_ethdev_start(struct rte_eth_dev *eth_dev)
1957 {
1958         struct bond_dev_private *internals;
1959         int i;
1960
1961         /* slave eth dev will be started by bonded device */
1962         if (check_for_bonded_ethdev(eth_dev)) {
1963                 RTE_BOND_LOG(ERR, "User tried to explicitly start a slave eth_dev (%d)",
1964                                 eth_dev->data->port_id);
1965                 return -1;
1966         }
1967
1968         eth_dev->data->dev_link.link_status = RTE_ETH_LINK_DOWN;
1969         eth_dev->data->dev_started = 1;
1970
1971         internals = eth_dev->data->dev_private;
1972
1973         if (internals->slave_count == 0) {
1974                 RTE_BOND_LOG(ERR, "Cannot start port since there are no slave devices");
1975                 goto out_err;
1976         }
1977
1978         if (internals->user_defined_mac == 0) {
1979                 struct rte_ether_addr *new_mac_addr = NULL;
1980
1981                 for (i = 0; i < internals->slave_count; i++)
1982                         if (internals->slaves[i].port_id == internals->primary_port)
1983                                 new_mac_addr = &internals->slaves[i].persisted_mac_addr;
1984
1985                 if (new_mac_addr == NULL)
1986                         goto out_err;
1987
1988                 if (mac_address_set(eth_dev, new_mac_addr) != 0) {
1989                         RTE_BOND_LOG(ERR, "bonded port (%d) failed to update MAC address",
1990                                         eth_dev->data->port_id);
1991                         goto out_err;
1992                 }
1993         }
1994
1995         if (internals->mode == BONDING_MODE_8023AD) {
1996                 if (internals->mode4.dedicated_queues.enabled == 1) {
1997                         internals->mode4.dedicated_queues.rx_qid =
1998                                         eth_dev->data->nb_rx_queues;
1999                         internals->mode4.dedicated_queues.tx_qid =
2000                                         eth_dev->data->nb_tx_queues;
2001                 }
2002         }
2003
2004
2005         /* Reconfigure each slave device if starting bonded device */
2006         for (i = 0; i < internals->slave_count; i++) {
2007                 struct rte_eth_dev *slave_ethdev =
2008                                 &(rte_eth_devices[internals->slaves[i].port_id]);
2009                 if (slave_configure(eth_dev, slave_ethdev) != 0) {
2010                         RTE_BOND_LOG(ERR,
2011                                 "bonded port (%d) failed to reconfigure slave device (%d)",
2012                                 eth_dev->data->port_id,
2013                                 internals->slaves[i].port_id);
2014                         goto out_err;
2015                 }
2016                 if (slave_start(eth_dev, slave_ethdev) != 0) {
2017                         RTE_BOND_LOG(ERR,
2018                                 "bonded port (%d) failed to start slave device (%d)",
2019                                 eth_dev->data->port_id,
2020                                 internals->slaves[i].port_id);
2021                         goto out_err;
2022                 }
2023                 /* We will need to poll for link status if any slave doesn't
2024                  * support interrupts
2025                  */
2026                 if (internals->slaves[i].link_status_poll_enabled)
2027                         internals->link_status_polling_enabled = 1;
2028         }
2029
2030         /* start polling if needed */
2031         if (internals->link_status_polling_enabled) {
2032                 rte_eal_alarm_set(
2033                         internals->link_status_polling_interval_ms * 1000,
2034                         bond_ethdev_slave_link_status_change_monitor,
2035                         (void *)&rte_eth_devices[internals->port_id]);
2036         }
2037
2038         /* Update all slave devices MACs*/
2039         if (mac_address_slaves_update(eth_dev) != 0)
2040                 goto out_err;
2041
2042         if (internals->user_defined_primary_port)
2043                 bond_ethdev_primary_set(internals, internals->primary_port);
2044
2045         if (internals->mode == BONDING_MODE_8023AD)
2046                 bond_mode_8023ad_start(eth_dev);
2047
2048         if (internals->mode == BONDING_MODE_TLB ||
2049                         internals->mode == BONDING_MODE_ALB)
2050                 bond_tlb_enable(internals);
2051
2052         return 0;
2053
2054 out_err:
2055         eth_dev->data->dev_started = 0;
2056         return -1;
2057 }
2058
2059 static void
2060 bond_ethdev_free_queues(struct rte_eth_dev *dev)
2061 {
2062         uint16_t i;
2063
2064         if (dev->data->rx_queues != NULL) {
2065                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
2066                         rte_free(dev->data->rx_queues[i]);
2067                         dev->data->rx_queues[i] = NULL;
2068                 }
2069                 dev->data->nb_rx_queues = 0;
2070         }
2071
2072         if (dev->data->tx_queues != NULL) {
2073                 for (i = 0; i < dev->data->nb_tx_queues; i++) {
2074                         rte_free(dev->data->tx_queues[i]);
2075                         dev->data->tx_queues[i] = NULL;
2076                 }
2077                 dev->data->nb_tx_queues = 0;
2078         }
2079 }
2080
2081 int
2082 bond_ethdev_stop(struct rte_eth_dev *eth_dev)
2083 {
2084         struct bond_dev_private *internals = eth_dev->data->dev_private;
2085         uint16_t i;
2086         int ret;
2087
2088         if (internals->mode == BONDING_MODE_8023AD) {
2089                 struct port *port;
2090                 void *pkt = NULL;
2091
2092                 bond_mode_8023ad_stop(eth_dev);
2093
2094                 /* Discard all messages to/from mode 4 state machines */
2095                 for (i = 0; i < internals->active_slave_count; i++) {
2096                         port = &bond_mode_8023ad_ports[internals->active_slaves[i]];
2097
2098                         RTE_ASSERT(port->rx_ring != NULL);
2099                         while (rte_ring_dequeue(port->rx_ring, &pkt) != -ENOENT)
2100                                 rte_pktmbuf_free(pkt);
2101
2102                         RTE_ASSERT(port->tx_ring != NULL);
2103                         while (rte_ring_dequeue(port->tx_ring, &pkt) != -ENOENT)
2104                                 rte_pktmbuf_free(pkt);
2105                 }
2106         }
2107
2108         if (internals->mode == BONDING_MODE_TLB ||
2109                         internals->mode == BONDING_MODE_ALB) {
2110                 bond_tlb_disable(internals);
2111                 for (i = 0; i < internals->active_slave_count; i++)
2112                         tlb_last_obytets[internals->active_slaves[i]] = 0;
2113         }
2114
2115         eth_dev->data->dev_link.link_status = RTE_ETH_LINK_DOWN;
2116         eth_dev->data->dev_started = 0;
2117
2118         internals->link_status_polling_enabled = 0;
2119         for (i = 0; i < internals->slave_count; i++) {
2120                 uint16_t slave_id = internals->slaves[i].port_id;
2121                 if (find_slave_by_id(internals->active_slaves,
2122                                 internals->active_slave_count, slave_id) !=
2123                                                 internals->active_slave_count) {
2124                         internals->slaves[i].last_link_status = 0;
2125                         ret = rte_eth_dev_stop(slave_id);
2126                         if (ret != 0) {
2127                                 RTE_BOND_LOG(ERR, "Failed to stop device on port %u",
2128                                              slave_id);
2129                                 return ret;
2130                         }
2131                         deactivate_slave(eth_dev, slave_id);
2132                 }
2133         }
2134
2135         return 0;
2136 }
2137
2138 int
2139 bond_ethdev_close(struct rte_eth_dev *dev)
2140 {
2141         struct bond_dev_private *internals = dev->data->dev_private;
2142         uint16_t bond_port_id = internals->port_id;
2143         int skipped = 0;
2144         struct rte_flow_error ferror;
2145
2146         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
2147                 return 0;
2148
2149         RTE_BOND_LOG(INFO, "Closing bonded device %s", dev->device->name);
2150         while (internals->slave_count != skipped) {
2151                 uint16_t port_id = internals->slaves[skipped].port_id;
2152
2153                 if (rte_eth_dev_stop(port_id) != 0) {
2154                         RTE_BOND_LOG(ERR, "Failed to stop device on port %u",
2155                                      port_id);
2156                         skipped++;
2157                 }
2158
2159                 if (rte_eth_bond_slave_remove(bond_port_id, port_id) != 0) {
2160                         RTE_BOND_LOG(ERR,
2161                                      "Failed to remove port %d from bonded device %s",
2162                                      port_id, dev->device->name);
2163                         skipped++;
2164                 }
2165         }
2166         bond_flow_ops.flush(dev, &ferror);
2167         bond_ethdev_free_queues(dev);
2168         rte_bitmap_reset(internals->vlan_filter_bmp);
2169         rte_bitmap_free(internals->vlan_filter_bmp);
2170         rte_free(internals->vlan_filter_bmpmem);
2171
2172         /* Try to release mempool used in mode6. If the bond
2173          * device is not mode6, free the NULL is not problem.
2174          */
2175         rte_mempool_free(internals->mode6.mempool);
2176
2177         rte_kvargs_free(internals->kvlist);
2178
2179         return 0;
2180 }
2181
2182 /* forward declaration */
2183 static int bond_ethdev_configure(struct rte_eth_dev *dev);
2184
2185 static int
2186 bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
2187 {
2188         struct bond_dev_private *internals = dev->data->dev_private;
2189         struct bond_slave_details slave;
2190         int ret;
2191
2192         uint16_t max_nb_rx_queues = UINT16_MAX;
2193         uint16_t max_nb_tx_queues = UINT16_MAX;
2194         uint16_t max_rx_desc_lim = UINT16_MAX;
2195         uint16_t max_tx_desc_lim = UINT16_MAX;
2196
2197         dev_info->max_mac_addrs = BOND_MAX_MAC_ADDRS;
2198
2199         dev_info->max_rx_pktlen = internals->candidate_max_rx_pktlen ?
2200                         internals->candidate_max_rx_pktlen :
2201                         RTE_ETHER_MAX_JUMBO_FRAME_LEN;
2202
2203         /* Max number of tx/rx queues that the bonded device can support is the
2204          * minimum values of the bonded slaves, as all slaves must be capable
2205          * of supporting the same number of tx/rx queues.
2206          */
2207         if (internals->slave_count > 0) {
2208                 struct rte_eth_dev_info slave_info;
2209                 uint16_t idx;
2210
2211                 for (idx = 0; idx < internals->slave_count; idx++) {
2212                         slave = internals->slaves[idx];
2213                         ret = rte_eth_dev_info_get(slave.port_id, &slave_info);
2214                         if (ret != 0) {
2215                                 RTE_BOND_LOG(ERR,
2216                                         "%s: Error during getting device (port %u) info: %s\n",
2217                                         __func__,
2218                                         slave.port_id,
2219                                         strerror(-ret));
2220
2221                                 return ret;
2222                         }
2223
2224                         if (slave_info.max_rx_queues < max_nb_rx_queues)
2225                                 max_nb_rx_queues = slave_info.max_rx_queues;
2226
2227                         if (slave_info.max_tx_queues < max_nb_tx_queues)
2228                                 max_nb_tx_queues = slave_info.max_tx_queues;
2229
2230                         if (slave_info.rx_desc_lim.nb_max < max_rx_desc_lim)
2231                                 max_rx_desc_lim = slave_info.rx_desc_lim.nb_max;
2232
2233                         if (slave_info.tx_desc_lim.nb_max < max_tx_desc_lim)
2234                                 max_tx_desc_lim = slave_info.tx_desc_lim.nb_max;
2235                 }
2236         }
2237
2238         dev_info->max_rx_queues = max_nb_rx_queues;
2239         dev_info->max_tx_queues = max_nb_tx_queues;
2240
2241         memcpy(&dev_info->default_rxconf, &internals->default_rxconf,
2242                sizeof(dev_info->default_rxconf));
2243         memcpy(&dev_info->default_txconf, &internals->default_txconf,
2244                sizeof(dev_info->default_txconf));
2245
2246         dev_info->rx_desc_lim.nb_max = max_rx_desc_lim;
2247         dev_info->tx_desc_lim.nb_max = max_tx_desc_lim;
2248
2249         /**
2250          * If dedicated hw queues enabled for link bonding device in LACP mode
2251          * then we need to reduce the maximum number of data path queues by 1.
2252          */
2253         if (internals->mode == BONDING_MODE_8023AD &&
2254                 internals->mode4.dedicated_queues.enabled == 1) {
2255                 dev_info->max_rx_queues--;
2256                 dev_info->max_tx_queues--;
2257         }
2258
2259         dev_info->min_rx_bufsize = 0;
2260
2261         dev_info->rx_offload_capa = internals->rx_offload_capa;
2262         dev_info->tx_offload_capa = internals->tx_offload_capa;
2263         dev_info->rx_queue_offload_capa = internals->rx_queue_offload_capa;
2264         dev_info->tx_queue_offload_capa = internals->tx_queue_offload_capa;
2265         dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
2266
2267         dev_info->reta_size = internals->reta_size;
2268         dev_info->hash_key_size = internals->rss_key_len;
2269
2270         return 0;
2271 }
2272
2273 static int
2274 bond_ethdev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
2275 {
2276         int res;
2277         uint16_t i;
2278         struct bond_dev_private *internals = dev->data->dev_private;
2279
2280         /* don't do this while a slave is being added */
2281         rte_spinlock_lock(&internals->lock);
2282
2283         if (on)
2284                 rte_bitmap_set(internals->vlan_filter_bmp, vlan_id);
2285         else
2286                 rte_bitmap_clear(internals->vlan_filter_bmp, vlan_id);
2287
2288         for (i = 0; i < internals->slave_count; i++) {
2289                 uint16_t port_id = internals->slaves[i].port_id;
2290
2291                 res = rte_eth_dev_vlan_filter(port_id, vlan_id, on);
2292                 if (res == ENOTSUP)
2293                         RTE_BOND_LOG(WARNING,
2294                                      "Setting VLAN filter on slave port %u not supported.",
2295                                      port_id);
2296         }
2297
2298         rte_spinlock_unlock(&internals->lock);
2299         return 0;
2300 }
2301
2302 static int
2303 bond_ethdev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
2304                 uint16_t nb_rx_desc, unsigned int socket_id __rte_unused,
2305                 const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool)
2306 {
2307         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)
2308                         rte_zmalloc_socket(NULL, sizeof(struct bond_rx_queue),
2309                                         0, dev->data->numa_node);
2310         if (bd_rx_q == NULL)
2311                 return -1;
2312
2313         bd_rx_q->queue_id = rx_queue_id;
2314         bd_rx_q->dev_private = dev->data->dev_private;
2315
2316         bd_rx_q->nb_rx_desc = nb_rx_desc;
2317
2318         memcpy(&(bd_rx_q->rx_conf), rx_conf, sizeof(struct rte_eth_rxconf));
2319         bd_rx_q->mb_pool = mb_pool;
2320
2321         dev->data->rx_queues[rx_queue_id] = bd_rx_q;
2322
2323         return 0;
2324 }
2325
2326 static int
2327 bond_ethdev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
2328                 uint16_t nb_tx_desc, unsigned int socket_id __rte_unused,
2329                 const struct rte_eth_txconf *tx_conf)
2330 {
2331         struct bond_tx_queue *bd_tx_q  = (struct bond_tx_queue *)
2332                         rte_zmalloc_socket(NULL, sizeof(struct bond_tx_queue),
2333                                         0, dev->data->numa_node);
2334
2335         if (bd_tx_q == NULL)
2336                 return -1;
2337
2338         bd_tx_q->queue_id = tx_queue_id;
2339         bd_tx_q->dev_private = dev->data->dev_private;
2340
2341         bd_tx_q->nb_tx_desc = nb_tx_desc;
2342         memcpy(&(bd_tx_q->tx_conf), tx_conf, sizeof(bd_tx_q->tx_conf));
2343
2344         dev->data->tx_queues[tx_queue_id] = bd_tx_q;
2345
2346         return 0;
2347 }
2348
2349 static void
2350 bond_ethdev_rx_queue_release(struct rte_eth_dev *dev, uint16_t queue_id)
2351 {
2352         void *queue = dev->data->rx_queues[queue_id];
2353
2354         if (queue == NULL)
2355                 return;
2356
2357         rte_free(queue);
2358 }
2359
2360 static void
2361 bond_ethdev_tx_queue_release(struct rte_eth_dev *dev, uint16_t queue_id)
2362 {
2363         void *queue = dev->data->tx_queues[queue_id];
2364
2365         if (queue == NULL)
2366                 return;
2367
2368         rte_free(queue);
2369 }
2370
2371 static void
2372 bond_ethdev_slave_link_status_change_monitor(void *cb_arg)
2373 {
2374         struct rte_eth_dev *bonded_ethdev, *slave_ethdev;
2375         struct bond_dev_private *internals;
2376
2377         /* Default value for polling slave found is true as we don't want to
2378          * disable the polling thread if we cannot get the lock */
2379         int i, polling_slave_found = 1;
2380
2381         if (cb_arg == NULL)
2382                 return;
2383
2384         bonded_ethdev = cb_arg;
2385         internals = bonded_ethdev->data->dev_private;
2386
2387         if (!bonded_ethdev->data->dev_started ||
2388                 !internals->link_status_polling_enabled)
2389                 return;
2390
2391         /* If device is currently being configured then don't check slaves link
2392          * status, wait until next period */
2393         if (rte_spinlock_trylock(&internals->lock)) {
2394                 if (internals->slave_count > 0)
2395                         polling_slave_found = 0;
2396
2397                 for (i = 0; i < internals->slave_count; i++) {
2398                         if (!internals->slaves[i].link_status_poll_enabled)
2399                                 continue;
2400
2401                         slave_ethdev = &rte_eth_devices[internals->slaves[i].port_id];
2402                         polling_slave_found = 1;
2403
2404                         /* Update slave link status */
2405                         (*slave_ethdev->dev_ops->link_update)(slave_ethdev,
2406                                         internals->slaves[i].link_status_wait_to_complete);
2407
2408                         /* if link status has changed since last checked then call lsc
2409                          * event callback */
2410                         if (slave_ethdev->data->dev_link.link_status !=
2411                                         internals->slaves[i].last_link_status) {
2412                                 internals->slaves[i].last_link_status =
2413                                                 slave_ethdev->data->dev_link.link_status;
2414
2415                                 bond_ethdev_lsc_event_callback(internals->slaves[i].port_id,
2416                                                 RTE_ETH_EVENT_INTR_LSC,
2417                                                 &bonded_ethdev->data->port_id,
2418                                                 NULL);
2419                         }
2420                 }
2421                 rte_spinlock_unlock(&internals->lock);
2422         }
2423
2424         if (polling_slave_found)
2425                 /* Set alarm to continue monitoring link status of slave ethdev's */
2426                 rte_eal_alarm_set(internals->link_status_polling_interval_ms * 1000,
2427                                 bond_ethdev_slave_link_status_change_monitor, cb_arg);
2428 }
2429
2430 static int
2431 bond_ethdev_link_update(struct rte_eth_dev *ethdev, int wait_to_complete)
2432 {
2433         int (*link_update)(uint16_t port_id, struct rte_eth_link *eth_link);
2434
2435         struct bond_dev_private *bond_ctx;
2436         struct rte_eth_link slave_link;
2437
2438         bool one_link_update_succeeded;
2439         uint32_t idx;
2440         int ret;
2441
2442         bond_ctx = ethdev->data->dev_private;
2443
2444         ethdev->data->dev_link.link_speed = RTE_ETH_SPEED_NUM_NONE;
2445
2446         if (ethdev->data->dev_started == 0 ||
2447                         bond_ctx->active_slave_count == 0) {
2448                 ethdev->data->dev_link.link_status = RTE_ETH_LINK_DOWN;
2449                 return 0;
2450         }
2451
2452         ethdev->data->dev_link.link_status = RTE_ETH_LINK_UP;
2453
2454         if (wait_to_complete)
2455                 link_update = rte_eth_link_get;
2456         else
2457                 link_update = rte_eth_link_get_nowait;
2458
2459         switch (bond_ctx->mode) {
2460         case BONDING_MODE_BROADCAST:
2461                 /**
2462                  * Setting link speed to UINT32_MAX to ensure we pick up the
2463                  * value of the first active slave
2464                  */
2465                 ethdev->data->dev_link.link_speed = UINT32_MAX;
2466
2467                 /**
2468                  * link speed is minimum value of all the slaves link speed as
2469                  * packet loss will occur on this slave if transmission at rates
2470                  * greater than this are attempted
2471                  */
2472                 for (idx = 0; idx < bond_ctx->active_slave_count; idx++) {
2473                         ret = link_update(bond_ctx->active_slaves[idx],
2474                                           &slave_link);
2475                         if (ret < 0) {
2476                                 ethdev->data->dev_link.link_speed =
2477                                         RTE_ETH_SPEED_NUM_NONE;
2478                                 RTE_BOND_LOG(ERR,
2479                                         "Slave (port %u) link get failed: %s",
2480                                         bond_ctx->active_slaves[idx],
2481                                         rte_strerror(-ret));
2482                                 return 0;
2483                         }
2484
2485                         if (slave_link.link_speed <
2486                                         ethdev->data->dev_link.link_speed)
2487                                 ethdev->data->dev_link.link_speed =
2488                                                 slave_link.link_speed;
2489                 }
2490                 break;
2491         case BONDING_MODE_ACTIVE_BACKUP:
2492                 /* Current primary slave */
2493                 ret = link_update(bond_ctx->current_primary_port, &slave_link);
2494                 if (ret < 0) {
2495                         RTE_BOND_LOG(ERR, "Slave (port %u) link get failed: %s",
2496                                 bond_ctx->current_primary_port,
2497                                 rte_strerror(-ret));
2498                         return 0;
2499                 }
2500
2501                 ethdev->data->dev_link.link_speed = slave_link.link_speed;
2502                 break;
2503         case BONDING_MODE_8023AD:
2504                 ethdev->data->dev_link.link_autoneg =
2505                                 bond_ctx->mode4.slave_link.link_autoneg;
2506                 ethdev->data->dev_link.link_duplex =
2507                                 bond_ctx->mode4.slave_link.link_duplex;
2508                 /* fall through */
2509                 /* to update link speed */
2510         case BONDING_MODE_ROUND_ROBIN:
2511         case BONDING_MODE_BALANCE:
2512         case BONDING_MODE_TLB:
2513         case BONDING_MODE_ALB:
2514         default:
2515                 /**
2516                  * In theses mode the maximum theoretical link speed is the sum
2517                  * of all the slaves
2518                  */
2519                 ethdev->data->dev_link.link_speed = RTE_ETH_SPEED_NUM_NONE;
2520                 one_link_update_succeeded = false;
2521
2522                 for (idx = 0; idx < bond_ctx->active_slave_count; idx++) {
2523                         ret = link_update(bond_ctx->active_slaves[idx],
2524                                         &slave_link);
2525                         if (ret < 0) {
2526                                 RTE_BOND_LOG(ERR,
2527                                         "Slave (port %u) link get failed: %s",
2528                                         bond_ctx->active_slaves[idx],
2529                                         rte_strerror(-ret));
2530                                 continue;
2531                         }
2532
2533                         one_link_update_succeeded = true;
2534                         ethdev->data->dev_link.link_speed +=
2535                                         slave_link.link_speed;
2536                 }
2537
2538                 if (!one_link_update_succeeded) {
2539                         RTE_BOND_LOG(ERR, "All slaves link get failed");
2540                         return 0;
2541                 }
2542         }
2543
2544
2545         return 0;
2546 }
2547
2548
2549 static int
2550 bond_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
2551 {
2552         struct bond_dev_private *internals = dev->data->dev_private;
2553         struct rte_eth_stats slave_stats;
2554         int i, j;
2555
2556         for (i = 0; i < internals->slave_count; i++) {
2557                 rte_eth_stats_get(internals->slaves[i].port_id, &slave_stats);
2558
2559                 stats->ipackets += slave_stats.ipackets;
2560                 stats->opackets += slave_stats.opackets;
2561                 stats->ibytes += slave_stats.ibytes;
2562                 stats->obytes += slave_stats.obytes;
2563                 stats->imissed += slave_stats.imissed;
2564                 stats->ierrors += slave_stats.ierrors;
2565                 stats->oerrors += slave_stats.oerrors;
2566                 stats->rx_nombuf += slave_stats.rx_nombuf;
2567
2568                 for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) {
2569                         stats->q_ipackets[j] += slave_stats.q_ipackets[j];
2570                         stats->q_opackets[j] += slave_stats.q_opackets[j];
2571                         stats->q_ibytes[j] += slave_stats.q_ibytes[j];
2572                         stats->q_obytes[j] += slave_stats.q_obytes[j];
2573                         stats->q_errors[j] += slave_stats.q_errors[j];
2574                 }
2575
2576         }
2577
2578         return 0;
2579 }
2580
2581 static int
2582 bond_ethdev_stats_reset(struct rte_eth_dev *dev)
2583 {
2584         struct bond_dev_private *internals = dev->data->dev_private;
2585         int i;
2586         int err;
2587         int ret;
2588
2589         for (i = 0, err = 0; i < internals->slave_count; i++) {
2590                 ret = rte_eth_stats_reset(internals->slaves[i].port_id);
2591                 if (ret != 0)
2592                         err = ret;
2593         }
2594
2595         return err;
2596 }
2597
2598 static int
2599 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
2600 {
2601         struct bond_dev_private *internals = eth_dev->data->dev_private;
2602         int i;
2603         int ret = 0;
2604         uint16_t port_id;
2605
2606         switch (internals->mode) {
2607         /* Promiscuous mode is propagated to all slaves */
2608         case BONDING_MODE_ROUND_ROBIN:
2609         case BONDING_MODE_BALANCE:
2610         case BONDING_MODE_BROADCAST:
2611         case BONDING_MODE_8023AD: {
2612                 unsigned int slave_ok = 0;
2613
2614                 for (i = 0; i < internals->slave_count; i++) {
2615                         port_id = internals->slaves[i].port_id;
2616
2617                         ret = rte_eth_promiscuous_enable(port_id);
2618                         if (ret != 0)
2619                                 RTE_BOND_LOG(ERR,
2620                                         "Failed to enable promiscuous mode for port %u: %s",
2621                                         port_id, rte_strerror(-ret));
2622                         else
2623                                 slave_ok++;
2624                 }
2625                 /*
2626                  * Report success if operation is successful on at least
2627                  * on one slave. Otherwise return last error code.
2628                  */
2629                 if (slave_ok > 0)
2630                         ret = 0;
2631                 break;
2632         }
2633         /* Promiscuous mode is propagated only to primary slave */
2634         case BONDING_MODE_ACTIVE_BACKUP:
2635         case BONDING_MODE_TLB:
2636         case BONDING_MODE_ALB:
2637         default:
2638                 /* Do not touch promisc when there cannot be primary ports */
2639                 if (internals->slave_count == 0)
2640                         break;
2641                 port_id = internals->current_primary_port;
2642                 ret = rte_eth_promiscuous_enable(port_id);
2643                 if (ret != 0)
2644                         RTE_BOND_LOG(ERR,
2645                                 "Failed to enable promiscuous mode for port %u: %s",
2646                                 port_id, rte_strerror(-ret));
2647         }
2648
2649         return ret;
2650 }
2651
2652 static int
2653 bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
2654 {
2655         struct bond_dev_private *internals = dev->data->dev_private;
2656         int i;
2657         int ret = 0;
2658         uint16_t port_id;
2659
2660         switch (internals->mode) {
2661         /* Promiscuous mode is propagated to all slaves */
2662         case BONDING_MODE_ROUND_ROBIN:
2663         case BONDING_MODE_BALANCE:
2664         case BONDING_MODE_BROADCAST:
2665         case BONDING_MODE_8023AD: {
2666                 unsigned int slave_ok = 0;
2667
2668                 for (i = 0; i < internals->slave_count; i++) {
2669                         port_id = internals->slaves[i].port_id;
2670
2671                         if (internals->mode == BONDING_MODE_8023AD &&
2672                             bond_mode_8023ad_ports[port_id].forced_rx_flags ==
2673                                         BOND_8023AD_FORCED_PROMISC) {
2674                                 slave_ok++;
2675                                 continue;
2676                         }
2677                         ret = rte_eth_promiscuous_disable(port_id);
2678                         if (ret != 0)
2679                                 RTE_BOND_LOG(ERR,
2680                                         "Failed to disable promiscuous mode for port %u: %s",
2681                                         port_id, rte_strerror(-ret));
2682                         else
2683                                 slave_ok++;
2684                 }
2685                 /*
2686                  * Report success if operation is successful on at least
2687                  * on one slave. Otherwise return last error code.
2688                  */
2689                 if (slave_ok > 0)
2690                         ret = 0;
2691                 break;
2692         }
2693         /* Promiscuous mode is propagated only to primary slave */
2694         case BONDING_MODE_ACTIVE_BACKUP:
2695         case BONDING_MODE_TLB:
2696         case BONDING_MODE_ALB:
2697         default:
2698                 /* Do not touch promisc when there cannot be primary ports */
2699                 if (internals->slave_count == 0)
2700                         break;
2701                 port_id = internals->current_primary_port;
2702                 ret = rte_eth_promiscuous_disable(port_id);
2703                 if (ret != 0)
2704                         RTE_BOND_LOG(ERR,
2705                                 "Failed to disable promiscuous mode for port %u: %s",
2706                                 port_id, rte_strerror(-ret));
2707         }
2708
2709         return ret;
2710 }
2711
2712 static int
2713 bond_ethdev_promiscuous_update(struct rte_eth_dev *dev)
2714 {
2715         struct bond_dev_private *internals = dev->data->dev_private;
2716         uint16_t port_id = internals->current_primary_port;
2717
2718         switch (internals->mode) {
2719         case BONDING_MODE_ROUND_ROBIN:
2720         case BONDING_MODE_BALANCE:
2721         case BONDING_MODE_BROADCAST:
2722         case BONDING_MODE_8023AD:
2723                 /* As promiscuous mode is propagated to all slaves for these
2724                  * mode, no need to update for bonding device.
2725                  */
2726                 break;
2727         case BONDING_MODE_ACTIVE_BACKUP:
2728         case BONDING_MODE_TLB:
2729         case BONDING_MODE_ALB:
2730         default:
2731                 /* As promiscuous mode is propagated only to primary slave
2732                  * for these mode. When active/standby switchover, promiscuous
2733                  * mode should be set to new primary slave according to bonding
2734                  * device.
2735                  */
2736                 if (rte_eth_promiscuous_get(internals->port_id) == 1)
2737                         rte_eth_promiscuous_enable(port_id);
2738                 else
2739                         rte_eth_promiscuous_disable(port_id);
2740         }
2741
2742         return 0;
2743 }
2744
2745 static int
2746 bond_ethdev_allmulticast_enable(struct rte_eth_dev *eth_dev)
2747 {
2748         struct bond_dev_private *internals = eth_dev->data->dev_private;
2749         int i;
2750         int ret = 0;
2751         uint16_t port_id;
2752
2753         switch (internals->mode) {
2754         /* allmulti mode is propagated to all slaves */
2755         case BONDING_MODE_ROUND_ROBIN:
2756         case BONDING_MODE_BALANCE:
2757         case BONDING_MODE_BROADCAST:
2758         case BONDING_MODE_8023AD: {
2759                 unsigned int slave_ok = 0;
2760
2761                 for (i = 0; i < internals->slave_count; i++) {
2762                         port_id = internals->slaves[i].port_id;
2763
2764                         ret = rte_eth_allmulticast_enable(port_id);
2765                         if (ret != 0)
2766                                 RTE_BOND_LOG(ERR,
2767                                         "Failed to enable allmulti mode for port %u: %s",
2768                                         port_id, rte_strerror(-ret));
2769                         else
2770                                 slave_ok++;
2771                 }
2772                 /*
2773                  * Report success if operation is successful on at least
2774                  * on one slave. Otherwise return last error code.
2775                  */
2776                 if (slave_ok > 0)
2777                         ret = 0;
2778                 break;
2779         }
2780         /* allmulti mode is propagated only to primary slave */
2781         case BONDING_MODE_ACTIVE_BACKUP:
2782         case BONDING_MODE_TLB:
2783         case BONDING_MODE_ALB:
2784         default:
2785                 /* Do not touch allmulti when there cannot be primary ports */
2786                 if (internals->slave_count == 0)
2787                         break;
2788                 port_id = internals->current_primary_port;
2789                 ret = rte_eth_allmulticast_enable(port_id);
2790                 if (ret != 0)
2791                         RTE_BOND_LOG(ERR,
2792                                 "Failed to enable allmulti mode for port %u: %s",
2793                                 port_id, rte_strerror(-ret));
2794         }
2795
2796         return ret;
2797 }
2798
2799 static int
2800 bond_ethdev_allmulticast_disable(struct rte_eth_dev *eth_dev)
2801 {
2802         struct bond_dev_private *internals = eth_dev->data->dev_private;
2803         int i;
2804         int ret = 0;
2805         uint16_t port_id;
2806
2807         switch (internals->mode) {
2808         /* allmulti mode is propagated to all slaves */
2809         case BONDING_MODE_ROUND_ROBIN:
2810         case BONDING_MODE_BALANCE:
2811         case BONDING_MODE_BROADCAST:
2812         case BONDING_MODE_8023AD: {
2813                 unsigned int slave_ok = 0;
2814
2815                 for (i = 0; i < internals->slave_count; i++) {
2816                         uint16_t port_id = internals->slaves[i].port_id;
2817
2818                         if (internals->mode == BONDING_MODE_8023AD &&
2819                             bond_mode_8023ad_ports[port_id].forced_rx_flags ==
2820                                         BOND_8023AD_FORCED_ALLMULTI)
2821                                 continue;
2822
2823                         ret = rte_eth_allmulticast_disable(port_id);
2824                         if (ret != 0)
2825                                 RTE_BOND_LOG(ERR,
2826                                         "Failed to disable allmulti mode for port %u: %s",
2827                                         port_id, rte_strerror(-ret));
2828                         else
2829                                 slave_ok++;
2830                 }
2831                 /*
2832                  * Report success if operation is successful on at least
2833                  * on one slave. Otherwise return last error code.
2834                  */
2835                 if (slave_ok > 0)
2836                         ret = 0;
2837                 break;
2838         }
2839         /* allmulti mode is propagated only to primary slave */
2840         case BONDING_MODE_ACTIVE_BACKUP:
2841         case BONDING_MODE_TLB:
2842         case BONDING_MODE_ALB:
2843         default:
2844                 /* Do not touch allmulti when there cannot be primary ports */
2845                 if (internals->slave_count == 0)
2846                         break;
2847                 port_id = internals->current_primary_port;
2848                 ret = rte_eth_allmulticast_disable(port_id);
2849                 if (ret != 0)
2850                         RTE_BOND_LOG(ERR,
2851                                 "Failed to disable allmulti mode for port %u: %s",
2852                                 port_id, rte_strerror(-ret));
2853         }
2854
2855         return ret;
2856 }
2857
2858 static int
2859 bond_ethdev_allmulticast_update(struct rte_eth_dev *dev)
2860 {
2861         struct bond_dev_private *internals = dev->data->dev_private;
2862         uint16_t port_id = internals->current_primary_port;
2863
2864         switch (internals->mode) {
2865         case BONDING_MODE_ROUND_ROBIN:
2866         case BONDING_MODE_BALANCE:
2867         case BONDING_MODE_BROADCAST:
2868         case BONDING_MODE_8023AD:
2869                 /* As allmulticast mode is propagated to all slaves for these
2870                  * mode, no need to update for bonding device.
2871                  */
2872                 break;
2873         case BONDING_MODE_ACTIVE_BACKUP:
2874         case BONDING_MODE_TLB:
2875         case BONDING_MODE_ALB:
2876         default:
2877                 /* As allmulticast mode is propagated only to primary slave
2878                  * for these mode. When active/standby switchover, allmulticast
2879                  * mode should be set to new primary slave according to bonding
2880                  * device.
2881                  */
2882                 if (rte_eth_allmulticast_get(internals->port_id) == 1)
2883                         rte_eth_allmulticast_enable(port_id);
2884                 else
2885                         rte_eth_allmulticast_disable(port_id);
2886         }
2887
2888         return 0;
2889 }
2890
2891 static void
2892 bond_ethdev_delayed_lsc_propagation(void *arg)
2893 {
2894         if (arg == NULL)
2895                 return;
2896
2897         rte_eth_dev_callback_process((struct rte_eth_dev *)arg,
2898                         RTE_ETH_EVENT_INTR_LSC, NULL);
2899 }
2900
2901 int
2902 bond_ethdev_lsc_event_callback(uint16_t port_id, enum rte_eth_event_type type,
2903                 void *param, void *ret_param __rte_unused)
2904 {
2905         struct rte_eth_dev *bonded_eth_dev;
2906         struct bond_dev_private *internals;
2907         struct rte_eth_link link;
2908         int rc = -1;
2909         int ret;
2910
2911         uint8_t lsc_flag = 0;
2912         int valid_slave = 0;
2913         uint16_t active_pos;
2914         uint16_t i;
2915
2916         if (type != RTE_ETH_EVENT_INTR_LSC || param == NULL)
2917                 return rc;
2918
2919         bonded_eth_dev = &rte_eth_devices[*(uint16_t *)param];
2920
2921         if (check_for_bonded_ethdev(bonded_eth_dev))
2922                 return rc;
2923
2924         internals = bonded_eth_dev->data->dev_private;
2925
2926         /* If the device isn't started don't handle interrupts */
2927         if (!bonded_eth_dev->data->dev_started)
2928                 return rc;
2929
2930         /* verify that port_id is a valid slave of bonded port */
2931         for (i = 0; i < internals->slave_count; i++) {
2932                 if (internals->slaves[i].port_id == port_id) {
2933                         valid_slave = 1;
2934                         break;
2935                 }
2936         }
2937
2938         if (!valid_slave)
2939                 return rc;
2940
2941         /* Synchronize lsc callback parallel calls either by real link event
2942          * from the slaves PMDs or by the bonding PMD itself.
2943          */
2944         rte_spinlock_lock(&internals->lsc_lock);
2945
2946         /* Search for port in active port list */
2947         active_pos = find_slave_by_id(internals->active_slaves,
2948                         internals->active_slave_count, port_id);
2949
2950         ret = rte_eth_link_get_nowait(port_id, &link);
2951         if (ret < 0)
2952                 RTE_BOND_LOG(ERR, "Slave (port %u) link get failed", port_id);
2953
2954         if (ret == 0 && link.link_status) {
2955                 if (active_pos < internals->active_slave_count)
2956                         goto link_update;
2957
2958                 /* check link state properties if bonded link is up*/
2959                 if (bonded_eth_dev->data->dev_link.link_status == RTE_ETH_LINK_UP) {
2960                         if (link_properties_valid(bonded_eth_dev, &link) != 0)
2961                                 RTE_BOND_LOG(ERR, "Invalid link properties "
2962                                              "for slave %d in bonding mode %d",
2963                                              port_id, internals->mode);
2964                 } else {
2965                         /* inherit slave link properties */
2966                         link_properties_set(bonded_eth_dev, &link);
2967                 }
2968
2969                 /* If no active slave ports then set this port to be
2970                  * the primary port.
2971                  */
2972                 if (internals->active_slave_count < 1) {
2973                         /* If first active slave, then change link status */
2974                         bonded_eth_dev->data->dev_link.link_status =
2975                                                                 RTE_ETH_LINK_UP;
2976                         internals->current_primary_port = port_id;
2977                         lsc_flag = 1;
2978
2979                         mac_address_slaves_update(bonded_eth_dev);
2980                         bond_ethdev_promiscuous_update(bonded_eth_dev);
2981                         bond_ethdev_allmulticast_update(bonded_eth_dev);
2982                 }
2983
2984                 activate_slave(bonded_eth_dev, port_id);
2985
2986                 /* If the user has defined the primary port then default to
2987                  * using it.
2988                  */
2989                 if (internals->user_defined_primary_port &&
2990                                 internals->primary_port == port_id)
2991                         bond_ethdev_primary_set(internals, port_id);
2992         } else {
2993                 if (active_pos == internals->active_slave_count)
2994                         goto link_update;
2995
2996                 /* Remove from active slave list */
2997                 deactivate_slave(bonded_eth_dev, port_id);
2998
2999                 if (internals->active_slave_count < 1)
3000                         lsc_flag = 1;
3001
3002                 /* Update primary id, take first active slave from list or if none
3003                  * available set to -1 */
3004                 if (port_id == internals->current_primary_port) {
3005                         if (internals->active_slave_count > 0)
3006                                 bond_ethdev_primary_set(internals,
3007                                                 internals->active_slaves[0]);
3008                         else
3009                                 internals->current_primary_port = internals->primary_port;
3010                         mac_address_slaves_update(bonded_eth_dev);
3011                         bond_ethdev_promiscuous_update(bonded_eth_dev);
3012                         bond_ethdev_allmulticast_update(bonded_eth_dev);
3013                 }
3014         }
3015
3016 link_update:
3017         /**
3018          * Update bonded device link properties after any change to active
3019          * slaves
3020          */
3021         bond_ethdev_link_update(bonded_eth_dev, 0);
3022
3023         if (lsc_flag) {
3024                 /* Cancel any possible outstanding interrupts if delays are enabled */
3025                 if (internals->link_up_delay_ms > 0 ||
3026                         internals->link_down_delay_ms > 0)
3027                         rte_eal_alarm_cancel(bond_ethdev_delayed_lsc_propagation,
3028                                         bonded_eth_dev);
3029
3030                 if (bonded_eth_dev->data->dev_link.link_status) {
3031                         if (internals->link_up_delay_ms > 0)
3032                                 rte_eal_alarm_set(internals->link_up_delay_ms * 1000,
3033                                                 bond_ethdev_delayed_lsc_propagation,
3034                                                 (void *)bonded_eth_dev);
3035                         else
3036                                 rte_eth_dev_callback_process(bonded_eth_dev,
3037                                                 RTE_ETH_EVENT_INTR_LSC,
3038                                                 NULL);
3039
3040                 } else {
3041                         if (internals->link_down_delay_ms > 0)
3042                                 rte_eal_alarm_set(internals->link_down_delay_ms * 1000,
3043                                                 bond_ethdev_delayed_lsc_propagation,
3044                                                 (void *)bonded_eth_dev);
3045                         else
3046                                 rte_eth_dev_callback_process(bonded_eth_dev,
3047                                                 RTE_ETH_EVENT_INTR_LSC,
3048                                                 NULL);
3049                 }
3050         }
3051
3052         rte_spinlock_unlock(&internals->lsc_lock);
3053
3054         return rc;
3055 }
3056
3057 static int
3058 bond_ethdev_rss_reta_update(struct rte_eth_dev *dev,
3059                 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
3060 {
3061         unsigned i, j;
3062         int result = 0;
3063         int slave_reta_size;
3064         unsigned reta_count;
3065         struct bond_dev_private *internals = dev->data->dev_private;
3066
3067         if (reta_size != internals->reta_size)
3068                 return -EINVAL;
3069
3070          /* Copy RETA table */
3071         reta_count = (reta_size + RTE_ETH_RETA_GROUP_SIZE - 1) /
3072                         RTE_ETH_RETA_GROUP_SIZE;
3073
3074         for (i = 0; i < reta_count; i++) {
3075                 internals->reta_conf[i].mask = reta_conf[i].mask;
3076                 for (j = 0; j < RTE_ETH_RETA_GROUP_SIZE; j++)
3077                         if ((reta_conf[i].mask >> j) & 0x01)
3078                                 internals->reta_conf[i].reta[j] = reta_conf[i].reta[j];
3079         }
3080
3081         /* Fill rest of array */
3082         for (; i < RTE_DIM(internals->reta_conf); i += reta_count)
3083                 memcpy(&internals->reta_conf[i], &internals->reta_conf[0],
3084                                 sizeof(internals->reta_conf[0]) * reta_count);
3085
3086         /* Propagate RETA over slaves */
3087         for (i = 0; i < internals->slave_count; i++) {
3088                 slave_reta_size = internals->slaves[i].reta_size;
3089                 result = rte_eth_dev_rss_reta_update(internals->slaves[i].port_id,
3090                                 &internals->reta_conf[0], slave_reta_size);
3091                 if (result < 0)
3092                         return result;
3093         }
3094
3095         return 0;
3096 }
3097
3098 static int
3099 bond_ethdev_rss_reta_query(struct rte_eth_dev *dev,
3100                 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
3101 {
3102         int i, j;
3103         struct bond_dev_private *internals = dev->data->dev_private;
3104
3105         if (reta_size != internals->reta_size)
3106                 return -EINVAL;
3107
3108          /* Copy RETA table */
3109         for (i = 0; i < reta_size / RTE_ETH_RETA_GROUP_SIZE; i++)
3110                 for (j = 0; j < RTE_ETH_RETA_GROUP_SIZE; j++)
3111                         if ((reta_conf[i].mask >> j) & 0x01)
3112                                 reta_conf[i].reta[j] = internals->reta_conf[i].reta[j];
3113
3114         return 0;
3115 }
3116
3117 static int
3118 bond_ethdev_rss_hash_update(struct rte_eth_dev *dev,
3119                 struct rte_eth_rss_conf *rss_conf)
3120 {
3121         int i, result = 0;
3122         struct bond_dev_private *internals = dev->data->dev_private;
3123         struct rte_eth_rss_conf bond_rss_conf;
3124
3125         memcpy(&bond_rss_conf, rss_conf, sizeof(struct rte_eth_rss_conf));
3126
3127         bond_rss_conf.rss_hf &= internals->flow_type_rss_offloads;
3128
3129         if (bond_rss_conf.rss_hf != 0)
3130                 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf = bond_rss_conf.rss_hf;
3131
3132         if (bond_rss_conf.rss_key) {
3133                 if (bond_rss_conf.rss_key_len < internals->rss_key_len)
3134                         return -EINVAL;
3135                 else if (bond_rss_conf.rss_key_len > internals->rss_key_len)
3136                         RTE_BOND_LOG(WARNING, "rss_key will be truncated");
3137
3138                 memcpy(internals->rss_key, bond_rss_conf.rss_key,
3139                                 internals->rss_key_len);
3140                 bond_rss_conf.rss_key_len = internals->rss_key_len;
3141         }
3142
3143         for (i = 0; i < internals->slave_count; i++) {
3144                 result = rte_eth_dev_rss_hash_update(internals->slaves[i].port_id,
3145                                 &bond_rss_conf);
3146                 if (result < 0)
3147                         return result;
3148         }
3149
3150         return 0;
3151 }
3152
3153 static int
3154 bond_ethdev_rss_hash_conf_get(struct rte_eth_dev *dev,
3155                 struct rte_eth_rss_conf *rss_conf)
3156 {
3157         struct bond_dev_private *internals = dev->data->dev_private;
3158
3159         rss_conf->rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
3160         rss_conf->rss_key_len = internals->rss_key_len;
3161         if (rss_conf->rss_key)
3162                 memcpy(rss_conf->rss_key, internals->rss_key, internals->rss_key_len);
3163
3164         return 0;
3165 }
3166
3167 static int
3168 bond_ethdev_mtu_set(struct rte_eth_dev *dev, uint16_t mtu)
3169 {
3170         struct rte_eth_dev *slave_eth_dev;
3171         struct bond_dev_private *internals = dev->data->dev_private;
3172         int ret, i;
3173
3174         rte_spinlock_lock(&internals->lock);
3175
3176         for (i = 0; i < internals->slave_count; i++) {
3177                 slave_eth_dev = &rte_eth_devices[internals->slaves[i].port_id];
3178                 if (*slave_eth_dev->dev_ops->mtu_set == NULL) {
3179                         rte_spinlock_unlock(&internals->lock);
3180                         return -ENOTSUP;
3181                 }
3182         }
3183         for (i = 0; i < internals->slave_count; i++) {
3184                 ret = rte_eth_dev_set_mtu(internals->slaves[i].port_id, mtu);
3185                 if (ret < 0) {
3186                         rte_spinlock_unlock(&internals->lock);
3187                         return ret;
3188                 }
3189         }
3190
3191         rte_spinlock_unlock(&internals->lock);
3192         return 0;
3193 }
3194
3195 static int
3196 bond_ethdev_mac_address_set(struct rte_eth_dev *dev,
3197                         struct rte_ether_addr *addr)
3198 {
3199         if (mac_address_set(dev, addr)) {
3200                 RTE_BOND_LOG(ERR, "Failed to update MAC address");
3201                 return -EINVAL;
3202         }
3203
3204         return 0;
3205 }
3206
3207 static int
3208 bond_flow_ops_get(struct rte_eth_dev *dev __rte_unused,
3209                   const struct rte_flow_ops **ops)
3210 {
3211         *ops = &bond_flow_ops;
3212         return 0;
3213 }
3214
3215 static int
3216 bond_ethdev_mac_addr_add(struct rte_eth_dev *dev,
3217                         struct rte_ether_addr *mac_addr,
3218                         __rte_unused uint32_t index, uint32_t vmdq)
3219 {
3220         struct rte_eth_dev *slave_eth_dev;
3221         struct bond_dev_private *internals = dev->data->dev_private;
3222         int ret, i;
3223
3224         rte_spinlock_lock(&internals->lock);
3225
3226         for (i = 0; i < internals->slave_count; i++) {
3227                 slave_eth_dev = &rte_eth_devices[internals->slaves[i].port_id];
3228                 if (*slave_eth_dev->dev_ops->mac_addr_add == NULL ||
3229                          *slave_eth_dev->dev_ops->mac_addr_remove == NULL) {
3230                         ret = -ENOTSUP;
3231                         goto end;
3232                 }
3233         }
3234
3235         for (i = 0; i < internals->slave_count; i++) {
3236                 ret = rte_eth_dev_mac_addr_add(internals->slaves[i].port_id,
3237                                 mac_addr, vmdq);
3238                 if (ret < 0) {
3239                         /* rollback */
3240                         for (i--; i >= 0; i--)
3241                                 rte_eth_dev_mac_addr_remove(
3242                                         internals->slaves[i].port_id, mac_addr);
3243                         goto end;
3244                 }
3245         }
3246
3247         ret = 0;
3248 end:
3249         rte_spinlock_unlock(&internals->lock);
3250         return ret;
3251 }
3252
3253 static void
3254 bond_ethdev_mac_addr_remove(struct rte_eth_dev *dev, uint32_t index)
3255 {
3256         struct rte_eth_dev *slave_eth_dev;
3257         struct bond_dev_private *internals = dev->data->dev_private;
3258         int i;
3259
3260         rte_spinlock_lock(&internals->lock);
3261
3262         for (i = 0; i < internals->slave_count; i++) {
3263                 slave_eth_dev = &rte_eth_devices[internals->slaves[i].port_id];
3264                 if (*slave_eth_dev->dev_ops->mac_addr_remove == NULL)
3265                         goto end;
3266         }
3267
3268         struct rte_ether_addr *mac_addr = &dev->data->mac_addrs[index];
3269
3270         for (i = 0; i < internals->slave_count; i++)
3271                 rte_eth_dev_mac_addr_remove(internals->slaves[i].port_id,
3272                                 mac_addr);
3273
3274 end:
3275         rte_spinlock_unlock(&internals->lock);
3276 }
3277
3278 const struct eth_dev_ops default_dev_ops = {
3279         .dev_start            = bond_ethdev_start,
3280         .dev_stop             = bond_ethdev_stop,
3281         .dev_close            = bond_ethdev_close,
3282         .dev_configure        = bond_ethdev_configure,
3283         .dev_infos_get        = bond_ethdev_info,
3284         .vlan_filter_set      = bond_ethdev_vlan_filter_set,
3285         .rx_queue_setup       = bond_ethdev_rx_queue_setup,
3286         .tx_queue_setup       = bond_ethdev_tx_queue_setup,
3287         .rx_queue_release     = bond_ethdev_rx_queue_release,
3288         .tx_queue_release     = bond_ethdev_tx_queue_release,
3289         .link_update          = bond_ethdev_link_update,
3290         .stats_get            = bond_ethdev_stats_get,
3291         .stats_reset          = bond_ethdev_stats_reset,
3292         .promiscuous_enable   = bond_ethdev_promiscuous_enable,
3293         .promiscuous_disable  = bond_ethdev_promiscuous_disable,
3294         .allmulticast_enable  = bond_ethdev_allmulticast_enable,
3295         .allmulticast_disable = bond_ethdev_allmulticast_disable,
3296         .reta_update          = bond_ethdev_rss_reta_update,
3297         .reta_query           = bond_ethdev_rss_reta_query,
3298         .rss_hash_update      = bond_ethdev_rss_hash_update,
3299         .rss_hash_conf_get    = bond_ethdev_rss_hash_conf_get,
3300         .mtu_set              = bond_ethdev_mtu_set,
3301         .mac_addr_set         = bond_ethdev_mac_address_set,
3302         .mac_addr_add         = bond_ethdev_mac_addr_add,
3303         .mac_addr_remove      = bond_ethdev_mac_addr_remove,
3304         .flow_ops_get         = bond_flow_ops_get
3305 };
3306
3307 static int
3308 bond_alloc(struct rte_vdev_device *dev, uint8_t mode)
3309 {
3310         const char *name = rte_vdev_device_name(dev);
3311         uint8_t socket_id = dev->device.numa_node;
3312         struct bond_dev_private *internals = NULL;
3313         struct rte_eth_dev *eth_dev = NULL;
3314         uint32_t vlan_filter_bmp_size;
3315
3316         /* now do all data allocation - for eth_dev structure, dummy pci driver
3317          * and internal (private) data
3318          */
3319
3320         /* reserve an ethdev entry */
3321         eth_dev = rte_eth_vdev_allocate(dev, sizeof(*internals));
3322         if (eth_dev == NULL) {
3323                 RTE_BOND_LOG(ERR, "Unable to allocate rte_eth_dev");
3324                 goto err;
3325         }
3326
3327         internals = eth_dev->data->dev_private;
3328         eth_dev->data->nb_rx_queues = (uint16_t)1;
3329         eth_dev->data->nb_tx_queues = (uint16_t)1;
3330
3331         /* Allocate memory for storing MAC addresses */
3332         eth_dev->data->mac_addrs = rte_zmalloc_socket(name, RTE_ETHER_ADDR_LEN *
3333                         BOND_MAX_MAC_ADDRS, 0, socket_id);
3334         if (eth_dev->data->mac_addrs == NULL) {
3335                 RTE_BOND_LOG(ERR,
3336                              "Failed to allocate %u bytes needed to store MAC addresses",
3337                              RTE_ETHER_ADDR_LEN * BOND_MAX_MAC_ADDRS);
3338                 goto err;
3339         }
3340
3341         eth_dev->dev_ops = &default_dev_ops;
3342         eth_dev->data->dev_flags = RTE_ETH_DEV_INTR_LSC |
3343                                         RTE_ETH_DEV_AUTOFILL_QUEUE_XSTATS;
3344
3345         rte_spinlock_init(&internals->lock);
3346         rte_spinlock_init(&internals->lsc_lock);
3347
3348         internals->port_id = eth_dev->data->port_id;
3349         internals->mode = BONDING_MODE_INVALID;
3350         internals->current_primary_port = RTE_MAX_ETHPORTS + 1;
3351         internals->balance_xmit_policy = BALANCE_XMIT_POLICY_LAYER2;
3352         internals->burst_xmit_hash = burst_xmit_l2_hash;
3353         internals->user_defined_mac = 0;
3354
3355         internals->link_status_polling_enabled = 0;
3356
3357         internals->link_status_polling_interval_ms =
3358                 DEFAULT_POLLING_INTERVAL_10_MS;
3359         internals->link_down_delay_ms = 0;
3360         internals->link_up_delay_ms = 0;
3361
3362         internals->slave_count = 0;
3363         internals->active_slave_count = 0;
3364         internals->rx_offload_capa = 0;
3365         internals->tx_offload_capa = 0;
3366         internals->rx_queue_offload_capa = 0;
3367         internals->tx_queue_offload_capa = 0;
3368         internals->candidate_max_rx_pktlen = 0;
3369         internals->max_rx_pktlen = 0;
3370
3371         /* Initially allow to choose any offload type */
3372         internals->flow_type_rss_offloads = RTE_ETH_RSS_PROTO_MASK;
3373
3374         memset(&internals->default_rxconf, 0,
3375                sizeof(internals->default_rxconf));
3376         memset(&internals->default_txconf, 0,
3377                sizeof(internals->default_txconf));
3378
3379         memset(&internals->rx_desc_lim, 0, sizeof(internals->rx_desc_lim));
3380         memset(&internals->tx_desc_lim, 0, sizeof(internals->tx_desc_lim));
3381
3382         memset(internals->active_slaves, 0, sizeof(internals->active_slaves));
3383         memset(internals->slaves, 0, sizeof(internals->slaves));
3384
3385         TAILQ_INIT(&internals->flow_list);
3386         internals->flow_isolated_valid = 0;
3387
3388         /* Set mode 4 default configuration */
3389         bond_mode_8023ad_setup(eth_dev, NULL);
3390         if (bond_ethdev_mode_set(eth_dev, mode)) {
3391                 RTE_BOND_LOG(ERR, "Failed to set bonded device %u mode to %u",
3392                                  eth_dev->data->port_id, mode);
3393                 goto err;
3394         }
3395
3396         vlan_filter_bmp_size =
3397                 rte_bitmap_get_memory_footprint(RTE_ETHER_MAX_VLAN_ID + 1);
3398         internals->vlan_filter_bmpmem = rte_malloc(name, vlan_filter_bmp_size,
3399                                                    RTE_CACHE_LINE_SIZE);
3400         if (internals->vlan_filter_bmpmem == NULL) {
3401                 RTE_BOND_LOG(ERR,
3402                              "Failed to allocate vlan bitmap for bonded device %u",
3403                              eth_dev->data->port_id);
3404                 goto err;
3405         }
3406
3407         internals->vlan_filter_bmp = rte_bitmap_init(RTE_ETHER_MAX_VLAN_ID + 1,
3408                         internals->vlan_filter_bmpmem, vlan_filter_bmp_size);
3409         if (internals->vlan_filter_bmp == NULL) {
3410                 RTE_BOND_LOG(ERR,
3411                              "Failed to init vlan bitmap for bonded device %u",
3412                              eth_dev->data->port_id);
3413                 rte_free(internals->vlan_filter_bmpmem);
3414                 goto err;
3415         }
3416
3417         return eth_dev->data->port_id;
3418
3419 err:
3420         rte_free(internals);
3421         if (eth_dev != NULL)
3422                 eth_dev->data->dev_private = NULL;
3423         rte_eth_dev_release_port(eth_dev);
3424         return -1;
3425 }
3426
3427 static int
3428 bond_probe(struct rte_vdev_device *dev)
3429 {
3430         const char *name;
3431         struct bond_dev_private *internals;
3432         struct rte_kvargs *kvlist;
3433         uint8_t bonding_mode;
3434         int arg_count, port_id;
3435         int socket_id;
3436         uint8_t agg_mode;
3437         struct rte_eth_dev *eth_dev;
3438
3439         if (!dev)
3440                 return -EINVAL;
3441
3442         name = rte_vdev_device_name(dev);
3443         RTE_BOND_LOG(INFO, "Initializing pmd_bond for %s", name);
3444
3445         if (rte_eal_process_type() == RTE_PROC_SECONDARY) {
3446                 eth_dev = rte_eth_dev_attach_secondary(name);
3447                 if (!eth_dev) {
3448                         RTE_BOND_LOG(ERR, "Failed to probe %s", name);
3449                         return -1;
3450                 }
3451                 /* TODO: request info from primary to set up Rx and Tx */
3452                 eth_dev->dev_ops = &default_dev_ops;
3453                 eth_dev->device = &dev->device;
3454                 rte_eth_dev_probing_finish(eth_dev);
3455                 return 0;
3456         }
3457
3458         kvlist = rte_kvargs_parse(rte_vdev_device_args(dev),
3459                 pmd_bond_init_valid_arguments);
3460         if (kvlist == NULL) {
3461                 RTE_BOND_LOG(ERR, "Invalid args in %s", rte_vdev_device_args(dev));
3462                 return -1;
3463         }
3464
3465         /* Parse link bonding mode */
3466         if (rte_kvargs_count(kvlist, PMD_BOND_MODE_KVARG) == 1) {
3467                 if (rte_kvargs_process(kvlist, PMD_BOND_MODE_KVARG,
3468                                 &bond_ethdev_parse_slave_mode_kvarg,
3469                                 &bonding_mode) != 0) {
3470                         RTE_BOND_LOG(ERR, "Invalid mode for bonded device %s",
3471                                         name);
3472                         goto parse_error;
3473                 }
3474         } else {
3475                 RTE_BOND_LOG(ERR, "Mode must be specified only once for bonded "
3476                                 "device %s", name);
3477                 goto parse_error;
3478         }
3479
3480         /* Parse socket id to create bonding device on */
3481         arg_count = rte_kvargs_count(kvlist, PMD_BOND_SOCKET_ID_KVARG);
3482         if (arg_count == 1) {
3483                 if (rte_kvargs_process(kvlist, PMD_BOND_SOCKET_ID_KVARG,
3484                                 &bond_ethdev_parse_socket_id_kvarg, &socket_id)
3485                                 != 0) {
3486                         RTE_BOND_LOG(ERR, "Invalid socket Id specified for "
3487                                         "bonded device %s", name);
3488                         goto parse_error;
3489                 }
3490         } else if (arg_count > 1) {
3491                 RTE_BOND_LOG(ERR, "Socket Id can be specified only once for "
3492                                 "bonded device %s", name);
3493                 goto parse_error;
3494         } else {
3495                 socket_id = rte_socket_id();
3496         }
3497
3498         dev->device.numa_node = socket_id;
3499
3500         /* Create link bonding eth device */
3501         port_id = bond_alloc(dev, bonding_mode);
3502         if (port_id < 0) {
3503                 RTE_BOND_LOG(ERR, "Failed to create socket %s in mode %u on "
3504                                 "socket %u.",   name, bonding_mode, socket_id);
3505                 goto parse_error;
3506         }
3507         internals = rte_eth_devices[port_id].data->dev_private;
3508         internals->kvlist = kvlist;
3509
3510         if (rte_kvargs_count(kvlist, PMD_BOND_AGG_MODE_KVARG) == 1) {
3511                 if (rte_kvargs_process(kvlist,
3512                                 PMD_BOND_AGG_MODE_KVARG,
3513                                 &bond_ethdev_parse_slave_agg_mode_kvarg,
3514                                 &agg_mode) != 0) {
3515                         RTE_BOND_LOG(ERR,
3516                                         "Failed to parse agg selection mode for bonded device %s",
3517                                         name);
3518                         goto parse_error;
3519                 }
3520
3521                 if (internals->mode == BONDING_MODE_8023AD)
3522                         internals->mode4.agg_selection = agg_mode;
3523         } else {
3524                 internals->mode4.agg_selection = AGG_STABLE;
3525         }
3526
3527         rte_eth_dev_probing_finish(&rte_eth_devices[port_id]);
3528         RTE_BOND_LOG(INFO, "Create bonded device %s on port %d in mode %u on "
3529                         "socket %u.",   name, port_id, bonding_mode, socket_id);
3530         return 0;
3531
3532 parse_error:
3533         rte_kvargs_free(kvlist);
3534
3535         return -1;
3536 }
3537
3538 static int
3539 bond_remove(struct rte_vdev_device *dev)
3540 {
3541         struct rte_eth_dev *eth_dev;
3542         struct bond_dev_private *internals;
3543         const char *name;
3544         int ret = 0;
3545
3546         if (!dev)
3547                 return -EINVAL;
3548
3549         name = rte_vdev_device_name(dev);
3550         RTE_BOND_LOG(INFO, "Uninitializing pmd_bond for %s", name);
3551
3552         /* find an ethdev entry */
3553         eth_dev = rte_eth_dev_allocated(name);
3554         if (eth_dev == NULL)
3555                 return 0; /* port already released */
3556
3557         if (rte_eal_process_type() != RTE_PROC_PRIMARY)
3558                 return rte_eth_dev_release_port(eth_dev);
3559
3560         RTE_ASSERT(eth_dev->device == &dev->device);
3561
3562         internals = eth_dev->data->dev_private;
3563         if (internals->slave_count != 0)
3564                 return -EBUSY;
3565
3566         if (eth_dev->data->dev_started == 1) {
3567                 ret = bond_ethdev_stop(eth_dev);
3568                 bond_ethdev_close(eth_dev);
3569         }
3570         rte_eth_dev_release_port(eth_dev);
3571
3572         return ret;
3573 }
3574
3575 /* this part will resolve the slave portids after all the other pdev and vdev
3576  * have been allocated */
3577 static int
3578 bond_ethdev_configure(struct rte_eth_dev *dev)
3579 {
3580         const char *name = dev->device->name;
3581         struct bond_dev_private *internals = dev->data->dev_private;
3582         struct rte_kvargs *kvlist = internals->kvlist;
3583         int arg_count;
3584         uint16_t port_id = dev - rte_eth_devices;
3585         uint8_t agg_mode;
3586
3587         static const uint8_t default_rss_key[40] = {
3588                 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 0x41, 0x67, 0x25, 0x3D,
3589                 0x43, 0xA3, 0x8F, 0xB0, 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
3590                 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 0x6A, 0x42, 0xB7, 0x3B,
3591                 0xBE, 0xAC, 0x01, 0xFA
3592         };
3593
3594         unsigned i, j;
3595
3596         /*
3597          * If RSS is enabled, fill table with default values and
3598          * set key to the value specified in port RSS configuration.
3599          * Fall back to default RSS key if the key is not specified
3600          */
3601         if (dev->data->dev_conf.rxmode.mq_mode & RTE_ETH_MQ_RX_RSS) {
3602                 struct rte_eth_rss_conf *rss_conf =
3603                         &dev->data->dev_conf.rx_adv_conf.rss_conf;
3604
3605                 if (internals->rss_key_len == 0) {
3606                         internals->rss_key_len = sizeof(default_rss_key);
3607                 }
3608
3609                 if (rss_conf->rss_key != NULL) {
3610                         if (internals->rss_key_len > rss_conf->rss_key_len) {
3611                                 RTE_BOND_LOG(ERR, "Invalid rss key length(%u)",
3612                                                 rss_conf->rss_key_len);
3613                                 return -EINVAL;
3614                         }
3615
3616                         memcpy(internals->rss_key, rss_conf->rss_key,
3617                                internals->rss_key_len);
3618                 } else {
3619                         if (internals->rss_key_len > sizeof(default_rss_key)) {
3620                                 /*
3621                                  * If the rss_key includes standard_rss_key and
3622                                  * extended_hash_key, the rss key length will be
3623                                  * larger than default rss key length, so it should
3624                                  * re-calculate the hash key.
3625                                  */
3626                                 for (i = 0; i < internals->rss_key_len; i++)
3627                                         internals->rss_key[i] = (uint8_t)rte_rand();
3628                         } else {
3629                                 memcpy(internals->rss_key, default_rss_key,
3630                                         internals->rss_key_len);
3631                         }
3632                 }
3633
3634                 for (i = 0; i < RTE_DIM(internals->reta_conf); i++) {
3635                         internals->reta_conf[i].mask = ~0LL;
3636                         for (j = 0; j < RTE_ETH_RETA_GROUP_SIZE; j++)
3637                                 internals->reta_conf[i].reta[j] =
3638                                                 (i * RTE_ETH_RETA_GROUP_SIZE + j) %
3639                                                 dev->data->nb_rx_queues;
3640                 }
3641         }
3642
3643         /* set the max_rx_pktlen */
3644         internals->max_rx_pktlen = internals->candidate_max_rx_pktlen;
3645
3646         /*
3647          * if no kvlist, it means that this bonded device has been created
3648          * through the bonding api.
3649          */
3650         if (!kvlist)
3651                 return 0;
3652
3653         /* Parse MAC address for bonded device */
3654         arg_count = rte_kvargs_count(kvlist, PMD_BOND_MAC_ADDR_KVARG);
3655         if (arg_count == 1) {
3656                 struct rte_ether_addr bond_mac;
3657
3658                 if (rte_kvargs_process(kvlist, PMD_BOND_MAC_ADDR_KVARG,
3659                                        &bond_ethdev_parse_bond_mac_addr_kvarg, &bond_mac) < 0) {
3660                         RTE_BOND_LOG(INFO, "Invalid mac address for bonded device %s",
3661                                      name);
3662                         return -1;
3663                 }
3664
3665                 /* Set MAC address */
3666                 if (rte_eth_bond_mac_address_set(port_id, &bond_mac) != 0) {
3667                         RTE_BOND_LOG(ERR,
3668                                      "Failed to set mac address on bonded device %s",
3669                                      name);
3670                         return -1;
3671                 }
3672         } else if (arg_count > 1) {
3673                 RTE_BOND_LOG(ERR,
3674                              "MAC address can be specified only once for bonded device %s",
3675                              name);
3676                 return -1;
3677         }
3678
3679         /* Parse/set balance mode transmit policy */
3680         arg_count = rte_kvargs_count(kvlist, PMD_BOND_XMIT_POLICY_KVARG);
3681         if (arg_count == 1) {
3682                 uint8_t xmit_policy;
3683
3684                 if (rte_kvargs_process(kvlist, PMD_BOND_XMIT_POLICY_KVARG,
3685                                        &bond_ethdev_parse_balance_xmit_policy_kvarg, &xmit_policy) !=
3686                     0) {
3687                         RTE_BOND_LOG(INFO,
3688                                      "Invalid xmit policy specified for bonded device %s",
3689                                      name);
3690                         return -1;
3691                 }
3692
3693                 /* Set balance mode transmit policy*/
3694                 if (rte_eth_bond_xmit_policy_set(port_id, xmit_policy) != 0) {
3695                         RTE_BOND_LOG(ERR,
3696                                      "Failed to set balance xmit policy on bonded device %s",
3697                                      name);
3698                         return -1;
3699                 }
3700         } else if (arg_count > 1) {
3701                 RTE_BOND_LOG(ERR,
3702                              "Transmit policy can be specified only once for bonded device %s",
3703                              name);
3704                 return -1;
3705         }
3706
3707         if (rte_kvargs_count(kvlist, PMD_BOND_AGG_MODE_KVARG) == 1) {
3708                 if (rte_kvargs_process(kvlist,
3709                                        PMD_BOND_AGG_MODE_KVARG,
3710                                        &bond_ethdev_parse_slave_agg_mode_kvarg,
3711                                        &agg_mode) != 0) {
3712                         RTE_BOND_LOG(ERR,
3713                                      "Failed to parse agg selection mode for bonded device %s",
3714                                      name);
3715                 }
3716                 if (internals->mode == BONDING_MODE_8023AD) {
3717                         int ret = rte_eth_bond_8023ad_agg_selection_set(port_id,
3718                                         agg_mode);
3719                         if (ret < 0) {
3720                                 RTE_BOND_LOG(ERR,
3721                                         "Invalid args for agg selection set for bonded device %s",
3722                                         name);
3723                                 return -1;
3724                         }
3725                 }
3726         }
3727
3728         /* Parse/add slave ports to bonded device */
3729         if (rte_kvargs_count(kvlist, PMD_BOND_SLAVE_PORT_KVARG) > 0) {
3730                 struct bond_ethdev_slave_ports slave_ports;
3731                 unsigned i;
3732
3733                 memset(&slave_ports, 0, sizeof(slave_ports));
3734
3735                 if (rte_kvargs_process(kvlist, PMD_BOND_SLAVE_PORT_KVARG,
3736                                        &bond_ethdev_parse_slave_port_kvarg, &slave_ports) != 0) {
3737                         RTE_BOND_LOG(ERR,
3738                                      "Failed to parse slave ports for bonded device %s",
3739                                      name);
3740                         return -1;
3741                 }
3742
3743                 for (i = 0; i < slave_ports.slave_count; i++) {
3744                         if (rte_eth_bond_slave_add(port_id, slave_ports.slaves[i]) != 0) {
3745                                 RTE_BOND_LOG(ERR,
3746                                              "Failed to add port %d as slave to bonded device %s",
3747                                              slave_ports.slaves[i], name);
3748                         }
3749                 }
3750
3751         } else {
3752                 RTE_BOND_LOG(INFO, "No slaves specified for bonded device %s", name);
3753                 return -1;
3754         }
3755
3756         /* Parse/set primary slave port id*/
3757         arg_count = rte_kvargs_count(kvlist, PMD_BOND_PRIMARY_SLAVE_KVARG);
3758         if (arg_count == 1) {
3759                 uint16_t primary_slave_port_id;
3760
3761                 if (rte_kvargs_process(kvlist,
3762                                        PMD_BOND_PRIMARY_SLAVE_KVARG,
3763                                        &bond_ethdev_parse_primary_slave_port_id_kvarg,
3764                                        &primary_slave_port_id) < 0) {
3765                         RTE_BOND_LOG(INFO,
3766                                      "Invalid primary slave port id specified for bonded device %s",
3767                                      name);
3768                         return -1;
3769                 }
3770
3771                 /* Set balance mode transmit policy*/
3772                 if (rte_eth_bond_primary_set(port_id, primary_slave_port_id)
3773                     != 0) {
3774                         RTE_BOND_LOG(ERR,
3775                                      "Failed to set primary slave port %d on bonded device %s",
3776                                      primary_slave_port_id, name);
3777                         return -1;
3778                 }
3779         } else if (arg_count > 1) {
3780                 RTE_BOND_LOG(INFO,
3781                              "Primary slave can be specified only once for bonded device %s",
3782                              name);
3783                 return -1;
3784         }
3785
3786         /* Parse link status monitor polling interval */
3787         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LSC_POLL_PERIOD_KVARG);
3788         if (arg_count == 1) {
3789                 uint32_t lsc_poll_interval_ms;
3790
3791                 if (rte_kvargs_process(kvlist,
3792                                        PMD_BOND_LSC_POLL_PERIOD_KVARG,
3793                                        &bond_ethdev_parse_time_ms_kvarg,
3794                                        &lsc_poll_interval_ms) < 0) {
3795                         RTE_BOND_LOG(INFO,
3796                                      "Invalid lsc polling interval value specified for bonded"
3797                                      " device %s", name);
3798                         return -1;
3799                 }
3800
3801                 if (rte_eth_bond_link_monitoring_set(port_id, lsc_poll_interval_ms)
3802                     != 0) {
3803                         RTE_BOND_LOG(ERR,
3804                                      "Failed to set lsc monitor polling interval (%u ms) on bonded device %s",
3805                                      lsc_poll_interval_ms, name);
3806                         return -1;
3807                 }
3808         } else if (arg_count > 1) {
3809                 RTE_BOND_LOG(INFO,
3810                              "LSC polling interval can be specified only once for bonded"
3811                              " device %s", name);
3812                 return -1;
3813         }
3814
3815         /* Parse link up interrupt propagation delay */
3816         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_UP_PROP_DELAY_KVARG);
3817         if (arg_count == 1) {
3818                 uint32_t link_up_delay_ms;
3819
3820                 if (rte_kvargs_process(kvlist,
3821                                        PMD_BOND_LINK_UP_PROP_DELAY_KVARG,
3822                                        &bond_ethdev_parse_time_ms_kvarg,
3823                                        &link_up_delay_ms) < 0) {
3824                         RTE_BOND_LOG(INFO,
3825                                      "Invalid link up propagation delay value specified for"
3826                                      " bonded device %s", name);
3827                         return -1;
3828                 }
3829
3830                 /* Set balance mode transmit policy*/
3831                 if (rte_eth_bond_link_up_prop_delay_set(port_id, link_up_delay_ms)
3832                     != 0) {
3833                         RTE_BOND_LOG(ERR,
3834                                      "Failed to set link up propagation delay (%u ms) on bonded"
3835                                      " device %s", link_up_delay_ms, name);
3836                         return -1;
3837                 }
3838         } else if (arg_count > 1) {
3839                 RTE_BOND_LOG(INFO,
3840                              "Link up propagation delay can be specified only once for"
3841                              " bonded device %s", name);
3842                 return -1;
3843         }
3844
3845         /* Parse link down interrupt propagation delay */
3846         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG);
3847         if (arg_count == 1) {
3848                 uint32_t link_down_delay_ms;
3849
3850                 if (rte_kvargs_process(kvlist,
3851                                        PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG,
3852                                        &bond_ethdev_parse_time_ms_kvarg,
3853                                        &link_down_delay_ms) < 0) {
3854                         RTE_BOND_LOG(INFO,
3855                                      "Invalid link down propagation delay value specified for"
3856                                      " bonded device %s", name);
3857                         return -1;
3858                 }
3859
3860                 /* Set balance mode transmit policy*/
3861                 if (rte_eth_bond_link_down_prop_delay_set(port_id, link_down_delay_ms)
3862                     != 0) {
3863                         RTE_BOND_LOG(ERR,
3864                                      "Failed to set link down propagation delay (%u ms) on bonded device %s",
3865                                      link_down_delay_ms, name);
3866                         return -1;
3867                 }
3868         } else if (arg_count > 1) {
3869                 RTE_BOND_LOG(INFO,
3870                              "Link down propagation delay can be specified only once for  bonded device %s",
3871                              name);
3872                 return -1;
3873         }
3874
3875         /* configure slaves so we can pass mtu setting */
3876         for (i = 0; i < internals->slave_count; i++) {
3877                 struct rte_eth_dev *slave_ethdev =
3878                                 &(rte_eth_devices[internals->slaves[i].port_id]);
3879                 if (slave_configure(dev, slave_ethdev) != 0) {
3880                         RTE_BOND_LOG(ERR,
3881                                 "bonded port (%d) failed to configure slave device (%d)",
3882                                 dev->data->port_id,
3883                                 internals->slaves[i].port_id);
3884                         return -1;
3885                 }
3886         }
3887         return 0;
3888 }
3889
3890 struct rte_vdev_driver pmd_bond_drv = {
3891         .probe = bond_probe,
3892         .remove = bond_remove,
3893 };
3894
3895 RTE_PMD_REGISTER_VDEV(net_bonding, pmd_bond_drv);
3896 RTE_PMD_REGISTER_ALIAS(net_bonding, eth_bond);
3897
3898 RTE_PMD_REGISTER_PARAM_STRING(net_bonding,
3899         "slave=<ifc> "
3900         "primary=<ifc> "
3901         "mode=[0-6] "
3902         "xmit_policy=[l2 | l23 | l34] "
3903         "agg_mode=[count | stable | bandwidth] "
3904         "socket_id=<int> "
3905         "mac=<mac addr> "
3906         "lsc_poll_period_ms=<int> "
3907         "up_delay=<int> "
3908         "down_delay=<int>");
3909
3910 /* We can't use RTE_LOG_REGISTER_DEFAULT because of the forced name for
3911  * this library, see meson.build.
3912  */
3913 RTE_LOG_REGISTER(bond_logtype, pmd.net.bonding, NOTICE);