drivers/net/bonding/rte_eth_bond_pmd.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33 #include <stdlib.h>
  34 #include <netinet/in.h>
  35
  36 #include <rte_mbuf.h>
  37 #include <rte_malloc.h>
  38 #include <rte_ethdev.h>
  39 #include <rte_tcp.h>
  40 #include <rte_udp.h>
  41 #include <rte_ip.h>
  42 #include <rte_devargs.h>
  43 #include <rte_kvargs.h>
  44 #include <rte_dev.h>
  45 #include <rte_alarm.h>
  46 #include <rte_cycles.h>
  47
  48 #include "rte_eth_bond.h"
  49 #include "rte_eth_bond_private.h"
  50 #include "rte_eth_bond_8023ad_private.h"
  51
  52 #define REORDER_PERIOD_MS 10
  53
  54 #define HASH_L4_PORTS(h) ((h)->src_port ^ (h)->dst_port)
  55
  56 /* Table for statistics in mode 5 TLB */
  57 static uint64_t tlb_last_obytets[RTE_MAX_ETHPORTS];
  58
  59 static inline size_t
  60 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
  61 {
  62         size_t vlan_offset = 0;
  63
  64         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
  65                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
  66
  67                 vlan_offset = sizeof(struct vlan_hdr);
  68                 *proto = vlan_hdr->eth_proto;
  69
  70                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
  71                         vlan_hdr = vlan_hdr + 1;
  72                         *proto = vlan_hdr->eth_proto;
  73                         vlan_offset += sizeof(struct vlan_hdr);
  74                 }
  75         }
  76         return vlan_offset;
  77 }
  78
  79 static uint16_t
  80 bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
  81 {
  82         struct bond_dev_private *internals;
  83
  84         uint16_t num_rx_slave = 0;
  85         uint16_t num_rx_total = 0;
  86
  87         int i;
  88
  89         /* Cast to structure, containing bonded device's port id and queue id */
  90         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
  91
  92         internals = bd_rx_q->dev_private;
  93
  94
  95         for (i = 0; i < internals->active_slave_count && nb_pkts; i++) {
  96                 /* Offset of pointer to *bufs increases as packets are received
  97                  * from other slaves */
  98                 num_rx_slave = rte_eth_rx_burst(internals->active_slaves[i],
  99                                 bd_rx_q->queue_id, bufs + num_rx_total, nb_pkts);
 100                 if (num_rx_slave) {
 101                         num_rx_total += num_rx_slave;
 102                         nb_pkts -= num_rx_slave;
 103                 }
 104         }
 105
 106         return num_rx_total;
 107 }
 108
 109 static uint16_t
 110 bond_ethdev_rx_burst_active_backup(void *queue, struct rte_mbuf **bufs,
 111                 uint16_t nb_pkts)
 112 {
 113         struct bond_dev_private *internals;
 114
 115         /* Cast to structure, containing bonded device's port id and queue id */
 116         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
 117
 118         internals = bd_rx_q->dev_private;
 119
 120         return rte_eth_rx_burst(internals->current_primary_port,
 121                         bd_rx_q->queue_id, bufs, nb_pkts);
 122 }
 123
 124 static uint16_t
 125 bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
 126                 uint16_t nb_pkts)
 127 {
 128         /* Cast to structure, containing bonded device's port id and queue id */
 129         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
 130         struct bond_dev_private *internals = bd_rx_q->dev_private;
 131         struct ether_addr bond_mac;
 132
 133         struct ether_hdr *hdr;
 134
 135         const uint16_t ether_type_slow_be = rte_be_to_cpu_16(ETHER_TYPE_SLOW);
 136         uint16_t num_rx_total = 0;      /* Total number of received packets */
 137         uint8_t slaves[RTE_MAX_ETHPORTS];
 138         uint8_t slave_count;
 139
 140         uint8_t collecting;  /* current slave collecting status */
 141         const uint8_t promisc = internals->promiscuous_en;
 142         uint8_t i, j, k;
 143
 144         rte_eth_macaddr_get(internals->port_id, &bond_mac);
 145         /* Copy slave list to protect against slave up/down changes during tx
 146          * bursting */
 147         slave_count = internals->active_slave_count;
 148         memcpy(slaves, internals->active_slaves,
 149                         sizeof(internals->active_slaves[0]) * slave_count);
 150
 151         for (i = 0; i < slave_count && num_rx_total < nb_pkts; i++) {
 152                 j = num_rx_total;
 153                 collecting = ACTOR_STATE(&mode_8023ad_ports[slaves[i]], COLLECTING);
 154
 155                 /* Read packets from this slave */
 156                 num_rx_total += rte_eth_rx_burst(slaves[i], bd_rx_q->queue_id,
 157                                 &bufs[num_rx_total], nb_pkts - num_rx_total);
 158
 159                 for (k = j; k < 2 && k < num_rx_total; k++)
 160                         rte_prefetch0(rte_pktmbuf_mtod(bufs[k], void *));
 161
 162                 /* Handle slow protocol packets. */
 163                 while (j < num_rx_total) {
 164                         if (j + 3 < num_rx_total)
 165                                 rte_prefetch0(rte_pktmbuf_mtod(bufs[j + 3], void *));
 166
 167                         hdr = rte_pktmbuf_mtod(bufs[j], struct ether_hdr *);
 168                         /* Remove packet from array if it is slow packet or slave is not
 169                          * in collecting state or bondign interface is not in promiscus
 170                          * mode and packet address does not match. */
 171                         if (unlikely(hdr->ether_type == ether_type_slow_be ||
 172                                 !collecting || (!promisc &&
 173                                         !is_same_ether_addr(&bond_mac, &hdr->d_addr)))) {
 174
 175                                 if (hdr->ether_type == ether_type_slow_be) {
 176                                         bond_mode_8023ad_handle_slow_pkt(internals, slaves[i],
 177                                                 bufs[j]);
 178                                 } else
 179                                         rte_pktmbuf_free(bufs[j]);
 180
 181                                 /* Packet is managed by mode 4 or dropped, shift the array */
 182                                 num_rx_total--;
 183                                 if (j < num_rx_total) {
 184                                         memmove(&bufs[j], &bufs[j + 1], sizeof(bufs[0]) *
 185                                                 (num_rx_total - j));
 186                                 }
 187                         } else
 188                                 j++;
 189                 }
 190         }
 191
 192         return num_rx_total;
 193 }
 194
 195 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 196 uint32_t burstnumberRX;
 197 uint32_t burstnumberTX;
 198
 199 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 200
 201 static void
 202 arp_op_name(uint16_t arp_op, char *buf)
 203 {
 204         switch (arp_op) {
 205         case ARP_OP_REQUEST:
 206                 snprintf(buf, sizeof("ARP Request"), "%s", "ARP Request");
 207                 return;
 208         case ARP_OP_REPLY:
 209                 snprintf(buf, sizeof("ARP Reply"), "%s", "ARP Reply");
 210                 return;
 211         case ARP_OP_REVREQUEST:
 212                 snprintf(buf, sizeof("Reverse ARP Request"), "%s",
 213                                 "Reverse ARP Request");
 214                 return;
 215         case ARP_OP_REVREPLY:
 216                 snprintf(buf, sizeof("Reverse ARP Reply"), "%s",
 217                                 "Reverse ARP Reply");
 218                 return;
 219         case ARP_OP_INVREQUEST:
 220                 snprintf(buf, sizeof("Peer Identify Request"), "%s",
 221                                 "Peer Identify Request");
 222                 return;
 223         case ARP_OP_INVREPLY:
 224                 snprintf(buf, sizeof("Peer Identify Reply"), "%s",
 225                                 "Peer Identify Reply");
 226                 return;
 227         default:
 228                 break;
 229         }
 230         snprintf(buf, sizeof("Unknown"), "%s", "Unknown");
 231         return;
 232 }
 233 #endif
 234 #define MaxIPv4String   16
 235 static void
 236 ipv4_addr_to_dot(uint32_t be_ipv4_addr, char *buf, uint8_t buf_size)
 237 {
 238         uint32_t ipv4_addr;
 239
 240         ipv4_addr = rte_be_to_cpu_32(be_ipv4_addr);
 241         snprintf(buf, buf_size, "%d.%d.%d.%d", (ipv4_addr >> 24) & 0xFF,
 242                 (ipv4_addr >> 16) & 0xFF, (ipv4_addr >> 8) & 0xFF,
 243                 ipv4_addr & 0xFF);
 244 }
 245
 246 #define MAX_CLIENTS_NUMBER      128
 247 uint8_t active_clients;
 248 struct client_stats_t {
 249         uint8_t port;
 250         uint32_t ipv4_addr;
 251         uint32_t ipv4_rx_packets;
 252         uint32_t ipv4_tx_packets;
 253 };
 254 struct client_stats_t client_stats[MAX_CLIENTS_NUMBER];
 255
 256 static void
 257 update_client_stats(uint32_t addr, uint8_t port, uint32_t *TXorRXindicator)
 258 {
 259         int i = 0;
 260
 261         for (; i < MAX_CLIENTS_NUMBER; i++)     {
 262                 if ((client_stats[i].ipv4_addr == addr) && (client_stats[i].port == port))      {
 263                         /* Just update RX packets number for this client */
 264                         if (TXorRXindicator == &burstnumberRX)
 265                                 client_stats[i].ipv4_rx_packets++;
 266                         else
 267                                 client_stats[i].ipv4_tx_packets++;
 268                         return;
 269                 }
 270         }
 271         /* We have a new client. Insert him to the table, and increment stats */
 272         if (TXorRXindicator == &burstnumberRX)
 273                 client_stats[active_clients].ipv4_rx_packets++;
 274         else
 275                 client_stats[active_clients].ipv4_tx_packets++;
 276         client_stats[active_clients].ipv4_addr = addr;
 277         client_stats[active_clients].port = port;
 278         active_clients++;
 279
 280 }
 281
 282 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 283 #define MODE6_DEBUG(info, src_ip, dst_ip, eth_h, arp_op, port, burstnumber)     \
 284                 RTE_LOG(DEBUG, PMD, \
 285                 "%s " \
 286                 "port:%d " \
 287                 "SrcMAC:%02X:%02X:%02X:%02X:%02X:%02X " \
 288                 "SrcIP:%s " \
 289                 "DstMAC:%02X:%02X:%02X:%02X:%02X:%02X " \
 290                 "DstIP:%s " \
 291                 "%s " \
 292                 "%d\n", \
 293                 info, \
 294                 port, \
 295                 eth_h->s_addr.addr_bytes[0], \
 296                 eth_h->s_addr.addr_bytes[1], \
 297                 eth_h->s_addr.addr_bytes[2], \
 298                 eth_h->s_addr.addr_bytes[3], \
 299                 eth_h->s_addr.addr_bytes[4], \
 300                 eth_h->s_addr.addr_bytes[5], \
 301                 src_ip, \
 302                 eth_h->d_addr.addr_bytes[0], \
 303                 eth_h->d_addr.addr_bytes[1], \
 304                 eth_h->d_addr.addr_bytes[2], \
 305                 eth_h->d_addr.addr_bytes[3], \
 306                 eth_h->d_addr.addr_bytes[4], \
 307                 eth_h->d_addr.addr_bytes[5], \
 308                 dst_ip, \
 309                 arp_op, \
 310                 ++burstnumber)
 311 #endif
 312
 313 static void
 314 mode6_debug(const char __attribute__((unused)) *info, struct ether_hdr *eth_h,
 315                 uint8_t port, uint32_t __attribute__((unused)) *burstnumber)
 316 {
 317         struct ipv4_hdr *ipv4_h;
 318 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 319         struct arp_hdr *arp_h;
 320         char dst_ip[16];
 321         char ArpOp[24];
 322         char buf[16];
 323 #endif
 324         char src_ip[16];
 325
 326         uint16_t ether_type = eth_h->ether_type;
 327         uint16_t offset = get_vlan_offset(eth_h, &ether_type);
 328
 329 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 330         snprintf(buf, 16, "%s", info);
 331 #endif
 332
 333         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 334                 ipv4_h = (struct ipv4_hdr *)((char *)(eth_h + 1) + offset);
 335                 ipv4_addr_to_dot(ipv4_h->src_addr, src_ip, MaxIPv4String);
 336 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 337                 ipv4_addr_to_dot(ipv4_h->dst_addr, dst_ip, MaxIPv4String);
 338                 MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, "", port, *burstnumber);
 339 #endif
 340                 update_client_stats(ipv4_h->src_addr, port, burstnumber);
 341         }
 342 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 343         else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 344                 arp_h = (struct arp_hdr *)((char *)(eth_h + 1) + offset);
 345                 ipv4_addr_to_dot(arp_h->arp_data.arp_sip, src_ip, MaxIPv4String);
 346                 ipv4_addr_to_dot(arp_h->arp_data.arp_tip, dst_ip, MaxIPv4String);
 347                 arp_op_name(rte_be_to_cpu_16(arp_h->arp_op), ArpOp);
 348                 MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, ArpOp, port, *burstnumber);
 349         }
 350 #endif
 351 }
 352 #endif
 353
 354 static uint16_t
 355 bond_ethdev_rx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 356 {
 357         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
 358         struct bond_dev_private *internals = bd_tx_q->dev_private;
 359         struct ether_hdr *eth_h;
 360         uint16_t ether_type, offset;
 361         uint16_t nb_recv_pkts;
 362         int i;
 363
 364         nb_recv_pkts = bond_ethdev_rx_burst(queue, bufs, nb_pkts);
 365
 366         for (i = 0; i < nb_recv_pkts; i++) {
 367                 eth_h = rte_pktmbuf_mtod(bufs[i], struct ether_hdr *);
 368                 ether_type = eth_h->ether_type;
 369                 offset = get_vlan_offset(eth_h, &ether_type);
 370
 371                 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 372 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 373                         mode6_debug("RX ARP:", eth_h, bufs[i]->port, &burstnumberRX);
 374 #endif
 375                         bond_mode_alb_arp_recv(eth_h, offset, internals);
 376                 }
 377 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 378                 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 379                         mode6_debug("RX IPv4:", eth_h, bufs[i]->port, &burstnumberRX);
 380 #endif
 381         }
 382
 383         return nb_recv_pkts;
 384 }
 385
 386 static uint16_t
 387 bond_ethdev_tx_burst_round_robin(void *queue, struct rte_mbuf **bufs,
 388                 uint16_t nb_pkts)
 389 {
 390         struct bond_dev_private *internals;
 391         struct bond_tx_queue *bd_tx_q;
 392
 393         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
 394         uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 395
 396         uint8_t num_of_slaves;
 397         uint8_t slaves[RTE_MAX_ETHPORTS];
 398
 399         uint16_t num_tx_total = 0, num_tx_slave;
 400
 401         static int slave_idx = 0;
 402         int i, cslave_idx = 0, tx_fail_total = 0;
 403
 404         bd_tx_q = (struct bond_tx_queue *)queue;
 405         internals = bd_tx_q->dev_private;
 406
 407         /* Copy slave list to protect against slave up/down changes during tx
 408          * bursting */
 409         num_of_slaves = internals->active_slave_count;
 410         memcpy(slaves, internals->active_slaves,
 411                         sizeof(internals->active_slaves[0]) * num_of_slaves);
 412
 413         if (num_of_slaves < 1)
 414                 return num_tx_total;
 415
 416         /* Populate slaves mbuf with which packets are to be sent on it  */
 417         for (i = 0; i < nb_pkts; i++) {
 418                 cslave_idx = (slave_idx + i) % num_of_slaves;
 419                 slave_bufs[cslave_idx][(slave_nb_pkts[cslave_idx])++] = bufs[i];
 420         }
 421
 422         /* increment current slave index so the next call to tx burst starts on the
 423          * next slave */
 424         slave_idx = ++cslave_idx;
 425
 426         /* Send packet burst on each slave device */
 427         for (i = 0; i < num_of_slaves; i++) {
 428                 if (slave_nb_pkts[i] > 0) {
 429                         num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
 430                                         slave_bufs[i], slave_nb_pkts[i]);
 431
 432                         /* if tx burst fails move packets to end of bufs */
 433                         if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
 434                                 int tx_fail_slave = slave_nb_pkts[i] - num_tx_slave;
 435
 436                                 tx_fail_total += tx_fail_slave;
 437
 438                                 memcpy(&bufs[nb_pkts - tx_fail_total],
 439                                                 &slave_bufs[i][num_tx_slave],
 440                                                 tx_fail_slave * sizeof(bufs[0]));
 441                         }
 442                         num_tx_total += num_tx_slave;
 443                 }
 444         }
 445
 446         return num_tx_total;
 447 }
 448
 449 static uint16_t
 450 bond_ethdev_tx_burst_active_backup(void *queue,
 451                 struct rte_mbuf **bufs, uint16_t nb_pkts)
 452 {
 453         struct bond_dev_private *internals;
 454         struct bond_tx_queue *bd_tx_q;
 455
 456         bd_tx_q = (struct bond_tx_queue *)queue;
 457         internals = bd_tx_q->dev_private;
 458
 459         if (internals->active_slave_count < 1)
 460                 return 0;
 461
 462         return rte_eth_tx_burst(internals->current_primary_port, bd_tx_q->queue_id,
 463                         bufs, nb_pkts);
 464 }
 465
 466 static inline uint16_t
 467 ether_hash(struct ether_hdr *eth_hdr)
 468 {
 469         unaligned_uint16_t *word_src_addr =
 470                 (unaligned_uint16_t *)eth_hdr->s_addr.addr_bytes;
 471         unaligned_uint16_t *word_dst_addr =
 472                 (unaligned_uint16_t *)eth_hdr->d_addr.addr_bytes;
 473
 474         return (word_src_addr[0] ^ word_dst_addr[0]) ^
 475                         (word_src_addr[1] ^ word_dst_addr[1]) ^
 476                         (word_src_addr[2] ^ word_dst_addr[2]);
 477 }
 478
 479 static inline uint32_t
 480 ipv4_hash(struct ipv4_hdr *ipv4_hdr)
 481 {
 482         return (ipv4_hdr->src_addr ^ ipv4_hdr->dst_addr);
 483 }
 484
 485 static inline uint32_t
 486 ipv6_hash(struct ipv6_hdr *ipv6_hdr)
 487 {
 488         unaligned_uint32_t *word_src_addr =
 489                 (unaligned_uint32_t *)&(ipv6_hdr->src_addr[0]);
 490         unaligned_uint32_t *word_dst_addr =
 491                 (unaligned_uint32_t *)&(ipv6_hdr->dst_addr[0]);
 492
 493         return (word_src_addr[0] ^ word_dst_addr[0]) ^
 494                         (word_src_addr[1] ^ word_dst_addr[1]) ^
 495                         (word_src_addr[2] ^ word_dst_addr[2]) ^
 496                         (word_src_addr[3] ^ word_dst_addr[3]);
 497 }
 498
 499 uint16_t
 500 xmit_l2_hash(const struct rte_mbuf *buf, uint8_t slave_count)
 501 {
 502         struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
 503
 504         uint32_t hash = ether_hash(eth_hdr);
 505
 506         return (hash ^= hash >> 8) % slave_count;
 507 }
 508
 509 uint16_t
 510 xmit_l23_hash(const struct rte_mbuf *buf, uint8_t slave_count)
 511 {
 512         struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
 513         uint16_t proto = eth_hdr->ether_type;
 514         size_t vlan_offset = get_vlan_offset(eth_hdr, &proto);
 515         uint32_t hash, l3hash = 0;
 516
 517         hash = ether_hash(eth_hdr);
 518
 519         if (rte_cpu_to_be_16(ETHER_TYPE_IPv4) == proto) {
 520                 struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)
 521                                 ((char *)(eth_hdr + 1) + vlan_offset);
 522                 l3hash = ipv4_hash(ipv4_hdr);
 523
 524         } else if (rte_cpu_to_be_16(ETHER_TYPE_IPv6) == proto) {
 525                 struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)
 526                                 ((char *)(eth_hdr + 1) + vlan_offset);
 527                 l3hash = ipv6_hash(ipv6_hdr);
 528         }
 529
 530         hash = hash ^ l3hash;
 531         hash ^= hash >> 16;
 532         hash ^= hash >> 8;
 533
 534         return hash % slave_count;
 535 }
 536
 537 uint16_t
 538 xmit_l34_hash(const struct rte_mbuf *buf, uint8_t slave_count)
 539 {
 540         struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
 541         uint16_t proto = eth_hdr->ether_type;
 542         size_t vlan_offset = get_vlan_offset(eth_hdr, &proto);
 543
 544         struct udp_hdr *udp_hdr = NULL;
 545         struct tcp_hdr *tcp_hdr = NULL;
 546         uint32_t hash, l3hash = 0, l4hash = 0;
 547
 548         if (rte_cpu_to_be_16(ETHER_TYPE_IPv4) == proto) {
 549                 struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)
 550                                 ((char *)(eth_hdr + 1) + vlan_offset);
 551                 size_t ip_hdr_offset;
 552
 553                 l3hash = ipv4_hash(ipv4_hdr);
 554
 555                 ip_hdr_offset = (ipv4_hdr->version_ihl & IPV4_HDR_IHL_MASK) *
 556                                 IPV4_IHL_MULTIPLIER;
 557
 558                 if (ipv4_hdr->next_proto_id == IPPROTO_TCP) {
 559                         tcp_hdr = (struct tcp_hdr *)((char *)ipv4_hdr +
 560                                         ip_hdr_offset);
 561                         l4hash = HASH_L4_PORTS(tcp_hdr);
 562                 } else if (ipv4_hdr->next_proto_id == IPPROTO_UDP) {
 563                         udp_hdr = (struct udp_hdr *)((char *)ipv4_hdr +
 564                                         ip_hdr_offset);
 565                         l4hash = HASH_L4_PORTS(udp_hdr);
 566                 }
 567         } else if  (rte_cpu_to_be_16(ETHER_TYPE_IPv6) == proto) {
 568                 struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)
 569                                 ((char *)(eth_hdr + 1) + vlan_offset);
 570                 l3hash = ipv6_hash(ipv6_hdr);
 571
 572                 if (ipv6_hdr->proto == IPPROTO_TCP) {
 573                         tcp_hdr = (struct tcp_hdr *)(ipv6_hdr + 1);
 574                         l4hash = HASH_L4_PORTS(tcp_hdr);
 575                 } else if (ipv6_hdr->proto == IPPROTO_UDP) {
 576                         udp_hdr = (struct udp_hdr *)(ipv6_hdr + 1);
 577                         l4hash = HASH_L4_PORTS(udp_hdr);
 578                 }
 579         }
 580
 581         hash = l3hash ^ l4hash;
 582         hash ^= hash >> 16;
 583         hash ^= hash >> 8;
 584
 585         return hash % slave_count;
 586 }
 587
 588 struct bwg_slave {
 589         uint64_t bwg_left_int;
 590         uint64_t bwg_left_remainder;
 591         uint8_t slave;
 592 };
 593
 594 void
 595 bond_tlb_activate_slave(struct bond_dev_private *internals) {
 596         int i;
 597
 598         for (i = 0; i < internals->active_slave_count; i++) {
 599                 tlb_last_obytets[internals->active_slaves[i]] = 0;
 600         }
 601 }
 602
 603 static int
 604 bandwidth_cmp(const void *a, const void *b)
 605 {
 606         const struct bwg_slave *bwg_a = a;
 607         const struct bwg_slave *bwg_b = b;
 608         int64_t diff = (int64_t)bwg_b->bwg_left_int - (int64_t)bwg_a->bwg_left_int;
 609         int64_t diff2 = (int64_t)bwg_b->bwg_left_remainder -
 610                         (int64_t)bwg_a->bwg_left_remainder;
 611         if (diff > 0)
 612                 return 1;
 613         else if (diff < 0)
 614                 return -1;
 615         else if (diff2 > 0)
 616                 return 1;
 617         else if (diff2 < 0)
 618                 return -1;
 619         else
 620                 return 0;
 621 }
 622
 623 static void
 624 bandwidth_left(uint8_t port_id, uint64_t load, uint8_t update_idx,
 625                 struct bwg_slave *bwg_slave)
 626 {
 627         struct rte_eth_link link_status;
 628
 629         rte_eth_link_get(port_id, &link_status);
 630         uint64_t link_bwg = link_status.link_speed * 1000000ULL / 8;
 631         if (link_bwg == 0)
 632                 return;
 633         link_bwg = link_bwg * (update_idx+1) * REORDER_PERIOD_MS;
 634         bwg_slave->bwg_left_int = (link_bwg - 1000*load) / link_bwg;
 635         bwg_slave->bwg_left_remainder = (link_bwg - 1000*load) % link_bwg;
 636 }
 637
 638 static void
 639 bond_ethdev_update_tlb_slave_cb(void *arg)
 640 {
 641         struct bond_dev_private *internals = arg;
 642         struct rte_eth_stats slave_stats;
 643         struct bwg_slave bwg_array[RTE_MAX_ETHPORTS];
 644         uint8_t slave_count;
 645         uint64_t tx_bytes;
 646
 647         uint8_t update_stats = 0;
 648         uint8_t i, slave_id;
 649
 650         internals->slave_update_idx++;
 651
 652
 653         if (internals->slave_update_idx >= REORDER_PERIOD_MS)
 654                 update_stats = 1;
 655
 656         for (i = 0; i < internals->active_slave_count; i++) {
 657                 slave_id = internals->active_slaves[i];
 658                 rte_eth_stats_get(slave_id, &slave_stats);
 659                 tx_bytes = slave_stats.obytes - tlb_last_obytets[slave_id];
 660                 bandwidth_left(slave_id, tx_bytes,
 661                                 internals->slave_update_idx, &bwg_array[i]);
 662                 bwg_array[i].slave = slave_id;
 663
 664                 if (update_stats) {
 665                         tlb_last_obytets[slave_id] = slave_stats.obytes;
 666                 }
 667         }
 668
 669         if (update_stats == 1)
 670                 internals->slave_update_idx = 0;
 671
 672         slave_count = i;
 673         qsort(bwg_array, slave_count, sizeof(bwg_array[0]), bandwidth_cmp);
 674         for (i = 0; i < slave_count; i++)
 675                 internals->tlb_slaves_order[i] = bwg_array[i].slave;
 676
 677         rte_eal_alarm_set(REORDER_PERIOD_MS * 1000, bond_ethdev_update_tlb_slave_cb,
 678                         (struct bond_dev_private *)internals);
 679 }
 680
 681 static uint16_t
 682 bond_ethdev_tx_burst_tlb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 683 {
 684         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
 685         struct bond_dev_private *internals = bd_tx_q->dev_private;
 686
 687         struct rte_eth_dev *primary_port =
 688                         &rte_eth_devices[internals->primary_port];
 689         uint16_t num_tx_total = 0;
 690         uint8_t i, j;
 691
 692         uint8_t num_of_slaves = internals->active_slave_count;
 693         uint8_t slaves[RTE_MAX_ETHPORTS];
 694
 695         struct ether_hdr *ether_hdr;
 696         struct ether_addr primary_slave_addr;
 697         struct ether_addr active_slave_addr;
 698
 699         if (num_of_slaves < 1)
 700                 return num_tx_total;
 701
 702         memcpy(slaves, internals->tlb_slaves_order,
 703                                 sizeof(internals->tlb_slaves_order[0]) * num_of_slaves);
 704
 705
 706         ether_addr_copy(primary_port->data->mac_addrs, &primary_slave_addr);
 707
 708         if (nb_pkts > 3) {
 709                 for (i = 0; i < 3; i++)
 710                         rte_prefetch0(rte_pktmbuf_mtod(bufs[i], void*));
 711         }
 712
 713         for (i = 0; i < num_of_slaves; i++) {
 714                 rte_eth_macaddr_get(slaves[i], &active_slave_addr);
 715                 for (j = num_tx_total; j < nb_pkts; j++) {
 716                         if (j + 3 < nb_pkts)
 717                                 rte_prefetch0(rte_pktmbuf_mtod(bufs[j+3], void*));
 718
 719                         ether_hdr = rte_pktmbuf_mtod(bufs[j], struct ether_hdr *);
 720                         if (is_same_ether_addr(&ether_hdr->s_addr, &primary_slave_addr))
 721                                 ether_addr_copy(&active_slave_addr, &ether_hdr->s_addr);
 722 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 723                                         mode6_debug("TX IPv4:", ether_hdr, slaves[i], &burstnumberTX);
 724 #endif
 725                 }
 726
 727                 num_tx_total += rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
 728                                 bufs + num_tx_total, nb_pkts - num_tx_total);
 729
 730                 if (num_tx_total == nb_pkts)
 731                         break;
 732         }
 733
 734         return num_tx_total;
 735 }
 736
 737 void
 738 bond_tlb_disable(struct bond_dev_private *internals)
 739 {
 740         rte_eal_alarm_cancel(bond_ethdev_update_tlb_slave_cb, internals);
 741 }
 742
 743 void
 744 bond_tlb_enable(struct bond_dev_private *internals)
 745 {
 746         bond_ethdev_update_tlb_slave_cb(internals);
 747 }
 748
 749 static uint16_t
 750 bond_ethdev_tx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 751 {
 752         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
 753         struct bond_dev_private *internals = bd_tx_q->dev_private;
 754
 755         struct ether_hdr *eth_h;
 756         uint16_t ether_type, offset;
 757
 758         struct client_data *client_info;
 759
 760         /*
 761          * We create transmit buffers for every slave and one additional to send
 762          * through tlb. In worst case every packet will be send on one port.
 763          */
 764         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS + 1][nb_pkts];
 765         uint16_t slave_bufs_pkts[RTE_MAX_ETHPORTS + 1] = { 0 };
 766
 767         /*
 768          * We create separate transmit buffers for update packets as they wont be
 769          * counted in num_tx_total.
 770          */
 771         struct rte_mbuf *update_bufs[RTE_MAX_ETHPORTS][ALB_HASH_TABLE_SIZE];
 772         uint16_t update_bufs_pkts[RTE_MAX_ETHPORTS] = { 0 };
 773
 774         struct rte_mbuf *upd_pkt;
 775         size_t pkt_size;
 776
 777         uint16_t num_send, num_not_send = 0;
 778         uint16_t num_tx_total = 0;
 779         uint8_t slave_idx;
 780
 781         int i, j;
 782
 783         /* Search tx buffer for ARP packets and forward them to alb */
 784         for (i = 0; i < nb_pkts; i++) {
 785                 eth_h = rte_pktmbuf_mtod(bufs[i], struct ether_hdr *);
 786                 ether_type = eth_h->ether_type;
 787                 offset = get_vlan_offset(eth_h, &ether_type);
 788
 789                 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 790                         slave_idx = bond_mode_alb_arp_xmit(eth_h, offset, internals);
 791
 792                         /* Change src mac in eth header */
 793                         rte_eth_macaddr_get(slave_idx, &eth_h->s_addr);
 794
 795                         /* Add packet to slave tx buffer */
 796                         slave_bufs[slave_idx][slave_bufs_pkts[slave_idx]] = bufs[i];
 797                         slave_bufs_pkts[slave_idx]++;
 798                 } else {
 799                         /* If packet is not ARP, send it with TLB policy */
 800                         slave_bufs[RTE_MAX_ETHPORTS][slave_bufs_pkts[RTE_MAX_ETHPORTS]] =
 801                                         bufs[i];
 802                         slave_bufs_pkts[RTE_MAX_ETHPORTS]++;
 803                 }
 804         }
 805
 806         /* Update connected client ARP tables */
 807         if (internals->mode6.ntt) {
 808                 for (i = 0; i < ALB_HASH_TABLE_SIZE; i++) {
 809                         client_info = &internals->mode6.client_table[i];
 810
 811                         if (client_info->in_use) {
 812                                 /* Allocate new packet to send ARP update on current slave */
 813                                 upd_pkt = rte_pktmbuf_alloc(internals->mode6.mempool);
 814                                 if (upd_pkt == NULL) {
 815                                         RTE_LOG(ERR, PMD, "Failed to allocate ARP packet from pool\n");
 816                                         continue;
 817                                 }
 818                                 pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr)
 819                                                 + client_info->vlan_count * sizeof(struct vlan_hdr);
 820                                 upd_pkt->data_len = pkt_size;
 821                                 upd_pkt->pkt_len = pkt_size;
 822
 823                                 slave_idx = bond_mode_alb_arp_upd(client_info, upd_pkt,
 824                                                 internals);
 825
 826                                 /* Add packet to update tx buffer */
 827                                 update_bufs[slave_idx][update_bufs_pkts[slave_idx]] = upd_pkt;
 828                                 update_bufs_pkts[slave_idx]++;
 829                         }
 830                 }
 831                 internals->mode6.ntt = 0;
 832         }
 833
 834         /* Send ARP packets on proper slaves */
 835         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 836                 if (slave_bufs_pkts[i] > 0) {
 837                         num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id,
 838                                         slave_bufs[i], slave_bufs_pkts[i]);
 839                         for (j = 0; j < slave_bufs_pkts[i] - num_send; j++) {
 840                                 bufs[nb_pkts - 1 - num_not_send - j] =
 841                                                 slave_bufs[i][nb_pkts - 1 - j];
 842                         }
 843
 844                         num_tx_total += num_send;
 845                         num_not_send += slave_bufs_pkts[i] - num_send;
 846
 847 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 848         /* Print TX stats including update packets */
 849                         for (j = 0; j < slave_bufs_pkts[i]; j++) {
 850                                 eth_h = rte_pktmbuf_mtod(slave_bufs[i][j], struct ether_hdr *);
 851                                 mode6_debug("TX ARP:", eth_h, i, &burstnumberTX);
 852                         }
 853 #endif
 854                 }
 855         }
 856
 857         /* Send update packets on proper slaves */
 858         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 859                 if (update_bufs_pkts[i] > 0) {
 860                         num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id, update_bufs[i],
 861                                         update_bufs_pkts[i]);
 862                         for (j = num_send; j < update_bufs_pkts[i]; j++) {
 863                                 rte_pktmbuf_free(update_bufs[i][j]);
 864                         }
 865 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 866                         for (j = 0; j < update_bufs_pkts[i]; j++) {
 867                                 eth_h = rte_pktmbuf_mtod(update_bufs[i][j], struct ether_hdr *);
 868                                 mode6_debug("TX ARPupd:", eth_h, i, &burstnumberTX);
 869                         }
 870 #endif
 871                 }
 872         }
 873
 874         /* Send non-ARP packets using tlb policy */
 875         if (slave_bufs_pkts[RTE_MAX_ETHPORTS] > 0) {
 876                 num_send = bond_ethdev_tx_burst_tlb(queue,
 877                                 slave_bufs[RTE_MAX_ETHPORTS],
 878                                 slave_bufs_pkts[RTE_MAX_ETHPORTS]);
 879
 880                 for (j = 0; j < slave_bufs_pkts[RTE_MAX_ETHPORTS]; j++) {
 881                         bufs[nb_pkts - 1 - num_not_send - j] =
 882                                         slave_bufs[RTE_MAX_ETHPORTS][nb_pkts - 1 - j];
 883                 }
 884
 885                 num_tx_total += num_send;
 886                 num_not_send += slave_bufs_pkts[RTE_MAX_ETHPORTS] - num_send;
 887         }
 888
 889         return num_tx_total;
 890 }
 891
 892 static uint16_t
 893 bond_ethdev_tx_burst_balance(void *queue, struct rte_mbuf **bufs,
 894                 uint16_t nb_pkts)
 895 {
 896         struct bond_dev_private *internals;
 897         struct bond_tx_queue *bd_tx_q;
 898
 899         uint8_t num_of_slaves;
 900         uint8_t slaves[RTE_MAX_ETHPORTS];
 901
 902         uint16_t num_tx_total = 0, num_tx_slave = 0, tx_fail_total = 0;
 903
 904         int i, op_slave_id;
 905
 906         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
 907         uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 908
 909         bd_tx_q = (struct bond_tx_queue *)queue;
 910         internals = bd_tx_q->dev_private;
 911
 912         /* Copy slave list to protect against slave up/down changes during tx
 913          * bursting */
 914         num_of_slaves = internals->active_slave_count;
 915         memcpy(slaves, internals->active_slaves,
 916                         sizeof(internals->active_slaves[0]) * num_of_slaves);
 917
 918         if (num_of_slaves < 1)
 919                 return num_tx_total;
 920
 921         /* Populate slaves mbuf with the packets which are to be sent on it  */
 922         for (i = 0; i < nb_pkts; i++) {
 923                 /* Select output slave using hash based on xmit policy */
 924                 op_slave_id = internals->xmit_hash(bufs[i], num_of_slaves);
 925
 926                 /* Populate slave mbuf arrays with mbufs for that slave */
 927                 slave_bufs[op_slave_id][slave_nb_pkts[op_slave_id]++] = bufs[i];
 928         }
 929
 930         /* Send packet burst on each slave device */
 931         for (i = 0; i < num_of_slaves; i++) {
 932                 if (slave_nb_pkts[i] > 0) {
 933                         num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
 934                                         slave_bufs[i], slave_nb_pkts[i]);
 935
 936                         /* if tx burst fails move packets to end of bufs */
 937                         if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
 938                                 int slave_tx_fail_count = slave_nb_pkts[i] - num_tx_slave;
 939
 940                                 tx_fail_total += slave_tx_fail_count;
 941                                 memcpy(&bufs[nb_pkts - tx_fail_total],
 942                                                 &slave_bufs[i][num_tx_slave],
 943                                                 slave_tx_fail_count * sizeof(bufs[0]));
 944                         }
 945
 946                         num_tx_total += num_tx_slave;
 947                 }
 948         }
 949
 950         return num_tx_total;
 951 }
 952
 953 static uint16_t
 954 bond_ethdev_tx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
 955                 uint16_t nb_pkts)
 956 {
 957         struct bond_dev_private *internals;
 958         struct bond_tx_queue *bd_tx_q;
 959
 960         uint8_t num_of_slaves;
 961         uint8_t slaves[RTE_MAX_ETHPORTS];
 962          /* positions in slaves, not ID */
 963         uint8_t distributing_offsets[RTE_MAX_ETHPORTS];
 964         uint8_t distributing_count;
 965
 966         uint16_t num_tx_slave, num_tx_total = 0, num_tx_fail_total = 0;
 967         uint16_t i, j, op_slave_idx;
 968         const uint16_t buffs_size = nb_pkts + BOND_MODE_8023AX_SLAVE_TX_PKTS + 1;
 969
 970         /* Allocate additional packets in case 8023AD mode. */
 971         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][buffs_size];
 972         void *slow_pkts[BOND_MODE_8023AX_SLAVE_TX_PKTS] = { NULL };
 973
 974         /* Total amount of packets in slave_bufs */
 975         uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 976         /* Slow packets placed in each slave */
 977         uint8_t slave_slow_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 978
 979         bd_tx_q = (struct bond_tx_queue *)queue;
 980         internals = bd_tx_q->dev_private;
 981
 982         /* Copy slave list to protect against slave up/down changes during tx
 983          * bursting */
 984         num_of_slaves = internals->active_slave_count;
 985         if (num_of_slaves < 1)
 986                 return num_tx_total;
 987
 988         memcpy(slaves, internals->active_slaves, sizeof(slaves[0]) * num_of_slaves);
 989
 990         distributing_count = 0;
 991         for (i = 0; i < num_of_slaves; i++) {
 992                 struct port *port = &mode_8023ad_ports[slaves[i]];
 993
 994                 slave_slow_nb_pkts[i] = rte_ring_dequeue_burst(port->tx_ring,
 995                                 slow_pkts, BOND_MODE_8023AX_SLAVE_TX_PKTS);
 996                 slave_nb_pkts[i] = slave_slow_nb_pkts[i];
 997
 998                 for (j = 0; j < slave_slow_nb_pkts[i]; j++)
 999                         slave_bufs[i][j] = slow_pkts[j];
1000
1001                 if (ACTOR_STATE(port, DISTRIBUTING))
1002                         distributing_offsets[distributing_count++] = i;
1003         }
1004
1005         if (likely(distributing_count > 0)) {
1006                 /* Populate slaves mbuf with the packets which are to be sent on it */
1007                 for (i = 0; i < nb_pkts; i++) {
1008                         /* Select output slave using hash based on xmit policy */
1009                         op_slave_idx = internals->xmit_hash(bufs[i], distributing_count);
1010
1011                         /* Populate slave mbuf arrays with mbufs for that slave. Use only
1012                          * slaves that are currently distributing. */
1013                         uint8_t slave_offset = distributing_offsets[op_slave_idx];
1014                         slave_bufs[slave_offset][slave_nb_pkts[slave_offset]] = bufs[i];
1015                         slave_nb_pkts[slave_offset]++;
1016                 }
1017         }
1018
1019         /* Send packet burst on each slave device */
1020         for (i = 0; i < num_of_slaves; i++) {
1021                 if (slave_nb_pkts[i] == 0)
1022                         continue;
1023
1024                 num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
1025                                 slave_bufs[i], slave_nb_pkts[i]);
1026
1027                 /* If tx burst fails drop slow packets */
1028                 for ( ; num_tx_slave < slave_slow_nb_pkts[i]; num_tx_slave++)
1029                         rte_pktmbuf_free(slave_bufs[i][num_tx_slave]);
1030
1031                 num_tx_total += num_tx_slave - slave_slow_nb_pkts[i];
1032                 num_tx_fail_total += slave_nb_pkts[i] - num_tx_slave;
1033
1034                 /* If tx burst fails move packets to end of bufs */
1035                 if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
1036                         uint16_t j = nb_pkts - num_tx_fail_total;
1037                         for ( ; num_tx_slave < slave_nb_pkts[i]; j++, num_tx_slave++)
1038                                 bufs[j] = slave_bufs[i][num_tx_slave];
1039                 }
1040         }
1041
1042         return num_tx_total;
1043 }
1044
1045 static uint16_t
1046 bond_ethdev_tx_burst_broadcast(void *queue, struct rte_mbuf **bufs,
1047                 uint16_t nb_pkts)
1048 {
1049         struct bond_dev_private *internals;
1050         struct bond_tx_queue *bd_tx_q;
1051
1052         uint8_t tx_failed_flag = 0, num_of_slaves;
1053         uint8_t slaves[RTE_MAX_ETHPORTS];
1054
1055         uint16_t max_nb_of_tx_pkts = 0;
1056
1057         int slave_tx_total[RTE_MAX_ETHPORTS];
1058         int i, most_successful_tx_slave = -1;
1059
1060         bd_tx_q = (struct bond_tx_queue *)queue;
1061         internals = bd_tx_q->dev_private;
1062
1063         /* Copy slave list to protect against slave up/down changes during tx
1064          * bursting */
1065         num_of_slaves = internals->active_slave_count;
1066         memcpy(slaves, internals->active_slaves,
1067                         sizeof(internals->active_slaves[0]) * num_of_slaves);
1068
1069         if (num_of_slaves < 1)
1070                 return 0;
1071
1072         /* Increment reference count on mbufs */
1073         for (i = 0; i < nb_pkts; i++)
1074                 rte_mbuf_refcnt_update(bufs[i], num_of_slaves - 1);
1075
1076         /* Transmit burst on each active slave */
1077         for (i = 0; i < num_of_slaves; i++) {
1078                 slave_tx_total[i] = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
1079                                         bufs, nb_pkts);
1080
1081                 if (unlikely(slave_tx_total[i] < nb_pkts))
1082                         tx_failed_flag = 1;
1083
1084                 /* record the value and slave index for the slave which transmits the
1085                  * maximum number of packets */
1086                 if (slave_tx_total[i] > max_nb_of_tx_pkts) {
1087                         max_nb_of_tx_pkts = slave_tx_total[i];
1088                         most_successful_tx_slave = i;
1089                 }
1090         }
1091
1092         /* if slaves fail to transmit packets from burst, the calling application
1093          * is not expected to know about multiple references to packets so we must
1094          * handle failures of all packets except those of the most successful slave
1095          */
1096         if (unlikely(tx_failed_flag))
1097                 for (i = 0; i < num_of_slaves; i++)
1098                         if (i != most_successful_tx_slave)
1099                                 while (slave_tx_total[i] < nb_pkts)
1100                                         rte_pktmbuf_free(bufs[slave_tx_total[i]++]);
1101
1102         return max_nb_of_tx_pkts;
1103 }
1104
1105 void
1106 link_properties_set(struct rte_eth_dev *bonded_eth_dev,
1107                 struct rte_eth_link *slave_dev_link)
1108 {
1109         struct rte_eth_link *bonded_dev_link = &bonded_eth_dev->data->dev_link;
1110         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1111
1112         if (slave_dev_link->link_status &&
1113                 bonded_eth_dev->data->dev_started) {
1114                 bonded_dev_link->link_duplex = slave_dev_link->link_duplex;
1115                 bonded_dev_link->link_speed = slave_dev_link->link_speed;
1116
1117                 internals->link_props_set = 1;
1118         }
1119 }
1120
1121 void
1122 link_properties_reset(struct rte_eth_dev *bonded_eth_dev)
1123 {
1124         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1125
1126         memset(&(bonded_eth_dev->data->dev_link), 0,
1127                         sizeof(bonded_eth_dev->data->dev_link));
1128
1129         internals->link_props_set = 0;
1130 }
1131
1132 int
1133 link_properties_valid(struct rte_eth_link *bonded_dev_link,
1134                 struct rte_eth_link *slave_dev_link)
1135 {
1136         if (bonded_dev_link->link_duplex != slave_dev_link->link_duplex ||
1137                 bonded_dev_link->link_speed !=  slave_dev_link->link_speed)
1138                 return -1;
1139
1140         return 0;
1141 }
1142
1143 int
1144 mac_address_get(struct rte_eth_dev *eth_dev, struct ether_addr *dst_mac_addr)
1145 {
1146         struct ether_addr *mac_addr;
1147
1148         if (eth_dev == NULL) {
1149                 RTE_LOG(ERR, PMD, "%s: NULL pointer eth_dev specified\n", __func__);
1150                 return -1;
1151         }
1152
1153         if (dst_mac_addr == NULL) {
1154                 RTE_LOG(ERR, PMD, "%s: NULL pointer MAC specified\n", __func__);
1155                 return -1;
1156         }
1157
1158         mac_addr = eth_dev->data->mac_addrs;
1159
1160         ether_addr_copy(mac_addr, dst_mac_addr);
1161         return 0;
1162 }
1163
1164 int
1165 mac_address_set(struct rte_eth_dev *eth_dev, struct ether_addr *new_mac_addr)
1166 {
1167         struct ether_addr *mac_addr;
1168
1169         if (eth_dev == NULL) {
1170                 RTE_BOND_LOG(ERR, "NULL pointer eth_dev specified");
1171                 return -1;
1172         }
1173
1174         if (new_mac_addr == NULL) {
1175                 RTE_BOND_LOG(ERR, "NULL pointer MAC specified");
1176                 return -1;
1177         }
1178
1179         mac_addr = eth_dev->data->mac_addrs;
1180
1181         /* If new MAC is different to current MAC then update */
1182         if (memcmp(mac_addr, new_mac_addr, sizeof(*mac_addr)) != 0)
1183                 memcpy(mac_addr, new_mac_addr, sizeof(*mac_addr));
1184
1185         return 0;
1186 }
1187
1188 int
1189 mac_address_slaves_update(struct rte_eth_dev *bonded_eth_dev)
1190 {
1191         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1192         int i;
1193
1194         /* Update slave devices MAC addresses */
1195         if (internals->slave_count < 1)
1196                 return -1;
1197
1198         switch (internals->mode) {
1199         case BONDING_MODE_ROUND_ROBIN:
1200         case BONDING_MODE_BALANCE:
1201         case BONDING_MODE_BROADCAST:
1202                 for (i = 0; i < internals->slave_count; i++) {
1203                         if (mac_address_set(&rte_eth_devices[internals->slaves[i].port_id],
1204                                         bonded_eth_dev->data->mac_addrs)) {
1205                                 RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1206                                                 internals->slaves[i].port_id);
1207                                 return -1;
1208                         }
1209                 }
1210                 break;
1211         case BONDING_MODE_8023AD:
1212                 bond_mode_8023ad_mac_address_update(bonded_eth_dev);
1213                 break;
1214         case BONDING_MODE_ACTIVE_BACKUP:
1215         case BONDING_MODE_TLB:
1216         case BONDING_MODE_ALB:
1217         default:
1218                 for (i = 0; i < internals->slave_count; i++) {
1219                         if (internals->slaves[i].port_id ==
1220                                         internals->current_primary_port) {
1221                                 if (mac_address_set(&rte_eth_devices[internals->primary_port],
1222                                                 bonded_eth_dev->data->mac_addrs)) {
1223                                         RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1224                                                         internals->current_primary_port);
1225                                         return -1;
1226                                 }
1227                         } else {
1228                                 if (mac_address_set(
1229                                                 &rte_eth_devices[internals->slaves[i].port_id],
1230                                                 &internals->slaves[i].persisted_mac_addr)) {
1231                                         RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1232                                                         internals->slaves[i].port_id);
1233                                         return -1;
1234                                 }
1235                         }
1236                 }
1237         }
1238
1239         return 0;
1240 }
1241
1242 int
1243 bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, int mode)
1244 {
1245         struct bond_dev_private *internals;
1246
1247         internals = eth_dev->data->dev_private;
1248
1249         switch (mode) {
1250         case BONDING_MODE_ROUND_ROBIN:
1251                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_round_robin;
1252                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1253                 break;
1254         case BONDING_MODE_ACTIVE_BACKUP:
1255                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_active_backup;
1256                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
1257                 break;
1258         case BONDING_MODE_BALANCE:
1259                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_balance;
1260                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1261                 break;
1262         case BONDING_MODE_BROADCAST:
1263                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
1264                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1265                 break;
1266         case BONDING_MODE_8023AD:
1267                 if (bond_mode_8023ad_enable(eth_dev) != 0)
1268                         return -1;
1269
1270                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_8023ad;
1271                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_8023ad;
1272                 RTE_LOG(WARNING, PMD,
1273                                 "Using mode 4, it is necessary to do TX burst and RX burst "
1274                                 "at least every 100ms.\n");
1275                 break;
1276         case BONDING_MODE_TLB:
1277                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_tlb;
1278                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
1279                 break;
1280         case BONDING_MODE_ALB:
1281                 if (bond_mode_alb_enable(eth_dev) != 0)
1282                         return -1;
1283
1284                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_alb;
1285                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_alb;
1286                 break;
1287         default:
1288                 return -1;
1289         }
1290
1291         internals->mode = mode;
1292
1293         return 0;
1294 }
1295
1296 int
1297 slave_configure(struct rte_eth_dev *bonded_eth_dev,
1298                 struct rte_eth_dev *slave_eth_dev)
1299 {
1300         struct bond_rx_queue *bd_rx_q;
1301         struct bond_tx_queue *bd_tx_q;
1302
1303         int errval;
1304         uint16_t q_id;
1305
1306         /* Stop slave */
1307         rte_eth_dev_stop(slave_eth_dev->data->port_id);
1308
1309         /* Enable interrupts on slave device if supported */
1310         if (slave_eth_dev->driver->pci_drv.drv_flags & RTE_PCI_DRV_INTR_LSC)
1311                 slave_eth_dev->data->dev_conf.intr_conf.lsc = 1;
1312
1313         /* Configure device */
1314         errval = rte_eth_dev_configure(slave_eth_dev->data->port_id,
1315                         bonded_eth_dev->data->nb_rx_queues,
1316                         bonded_eth_dev->data->nb_tx_queues,
1317                         &(slave_eth_dev->data->dev_conf));
1318         if (errval != 0) {
1319                 RTE_BOND_LOG(ERR, "Cannot configure slave device: port %u , err (%d)",
1320                                 slave_eth_dev->data->port_id, errval);
1321                 return errval;
1322         }
1323
1324         /* Setup Rx Queues */
1325         for (q_id = 0; q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
1326                 bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
1327
1328                 errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
1329                                 bd_rx_q->nb_rx_desc,
1330                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1331                                 &(bd_rx_q->rx_conf), bd_rx_q->mb_pool);
1332                 if (errval != 0) {
1333                         RTE_BOND_LOG(ERR,
1334                                         "rte_eth_rx_queue_setup: port=%d queue_id %d, err (%d)",
1335                                         slave_eth_dev->data->port_id, q_id, errval);
1336                         return errval;
1337                 }
1338         }
1339
1340         /* Setup Tx Queues */
1341         for (q_id = 0; q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
1342                 bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
1343
1344                 errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
1345                                 bd_tx_q->nb_tx_desc,
1346                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1347                                 &bd_tx_q->tx_conf);
1348                 if (errval != 0) {
1349                         RTE_BOND_LOG(ERR,
1350                                         "rte_eth_tx_queue_setup: port=%d queue_id %d, err (%d)",
1351                                         slave_eth_dev->data->port_id, q_id, errval);
1352                         return errval;
1353                 }
1354         }
1355
1356         /* Start device */
1357         errval = rte_eth_dev_start(slave_eth_dev->data->port_id);
1358         if (errval != 0) {
1359                 RTE_BOND_LOG(ERR, "rte_eth_dev_start: port=%u, err (%d)",
1360                                 slave_eth_dev->data->port_id, errval);
1361                 return -1;
1362         }
1363
1364         return 0;
1365 }
1366
1367 void
1368 slave_remove(struct bond_dev_private *internals,
1369                 struct rte_eth_dev *slave_eth_dev)
1370 {
1371         uint8_t i;
1372
1373         for (i = 0; i < internals->slave_count; i++)
1374                 if (internals->slaves[i].port_id ==
1375                                 slave_eth_dev->data->port_id)
1376                         break;
1377
1378         if (i < (internals->slave_count - 1))
1379                 memmove(&internals->slaves[i], &internals->slaves[i + 1],
1380                                 sizeof(internals->slaves[0]) *
1381                                 (internals->slave_count - i - 1));
1382
1383         internals->slave_count--;
1384 }
1385
1386 static void
1387 bond_ethdev_slave_link_status_change_monitor(void *cb_arg);
1388
1389 void
1390 slave_add(struct bond_dev_private *internals,
1391                 struct rte_eth_dev *slave_eth_dev)
1392 {
1393         struct bond_slave_details *slave_details =
1394                         &internals->slaves[internals->slave_count];
1395
1396         slave_details->port_id = slave_eth_dev->data->port_id;
1397         slave_details->last_link_status = 0;
1398
1399         /* If slave device doesn't support interrupts then we need to enabled
1400          * polling to monitor link status */
1401         if (!(slave_eth_dev->pci_dev->driver->drv_flags & RTE_PCI_DRV_INTR_LSC)) {
1402                 slave_details->link_status_poll_enabled = 1;
1403
1404                 if (!internals->link_status_polling_enabled) {
1405                         internals->link_status_polling_enabled = 1;
1406
1407                         rte_eal_alarm_set(internals->link_status_polling_interval_ms * 1000,
1408                                         bond_ethdev_slave_link_status_change_monitor,
1409                                         (void *)&rte_eth_devices[internals->port_id]);
1410                 }
1411         }
1412
1413         slave_details->link_status_wait_to_complete = 0;
1414         /* clean tlb_last_obytes when adding port for bonding device */
1415         memcpy(&(slave_details->persisted_mac_addr), slave_eth_dev->data->mac_addrs,
1416                         sizeof(struct ether_addr));
1417 }
1418
1419 void
1420 bond_ethdev_primary_set(struct bond_dev_private *internals,
1421                 uint8_t slave_port_id)
1422 {
1423         int i;
1424
1425         if (internals->active_slave_count < 1)
1426                 internals->current_primary_port = slave_port_id;
1427         else
1428                 /* Search bonded device slave ports for new proposed primary port */
1429                 for (i = 0; i < internals->active_slave_count; i++) {
1430                         if (internals->active_slaves[i] == slave_port_id)
1431                                 internals->current_primary_port = slave_port_id;
1432                 }
1433 }
1434
1435 static void
1436 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev);
1437
1438 static int
1439 bond_ethdev_start(struct rte_eth_dev *eth_dev)
1440 {
1441         struct bond_dev_private *internals;
1442         int i;
1443
1444         /* slave eth dev will be started by bonded device */
1445         if (valid_bonded_ethdev(eth_dev)) {
1446                 RTE_BOND_LOG(ERR, "User tried to explicitly start a slave eth_dev (%d)",
1447                                 eth_dev->data->port_id);
1448                 return -1;
1449         }
1450
1451         eth_dev->data->dev_link.link_status = 0;
1452         eth_dev->data->dev_started = 1;
1453
1454         internals = eth_dev->data->dev_private;
1455
1456         if (internals->slave_count == 0) {
1457                 RTE_BOND_LOG(ERR, "Cannot start port since there are no slave devices");
1458                 return -1;
1459         }
1460
1461         if (internals->user_defined_mac == 0) {
1462                 struct ether_addr *new_mac_addr = NULL;
1463
1464                 for (i = 0; i < internals->slave_count; i++)
1465                         if (internals->slaves[i].port_id == internals->primary_port)
1466                                 new_mac_addr = &internals->slaves[i].persisted_mac_addr;
1467
1468                 if (new_mac_addr == NULL)
1469                         return -1;
1470
1471                 if (mac_address_set(eth_dev, new_mac_addr) != 0) {
1472                         RTE_BOND_LOG(ERR, "bonded port (%d) failed to update MAC address",
1473                                         eth_dev->data->port_id);
1474                         return -1;
1475                 }
1476         }
1477
1478         /* Update all slave devices MACs*/
1479         if (mac_address_slaves_update(eth_dev) != 0)
1480                 return -1;
1481
1482         /* If bonded device is configure in promiscuous mode then re-apply config */
1483         if (internals->promiscuous_en)
1484                 bond_ethdev_promiscuous_enable(eth_dev);
1485
1486         /* Reconfigure each slave device if starting bonded device */
1487         for (i = 0; i < internals->slave_count; i++) {
1488                 if (slave_configure(eth_dev,
1489                                 &(rte_eth_devices[internals->slaves[i].port_id])) != 0) {
1490                         RTE_BOND_LOG(ERR,
1491                                         "bonded port (%d) failed to reconfigure slave device (%d)",
1492                                         eth_dev->data->port_id, internals->slaves[i].port_id);
1493                         return -1;
1494                 }
1495         }
1496
1497         if (internals->user_defined_primary_port)
1498                 bond_ethdev_primary_set(internals, internals->primary_port);
1499
1500         if (internals->mode == BONDING_MODE_8023AD)
1501                 bond_mode_8023ad_start(eth_dev);
1502
1503         if (internals->mode == BONDING_MODE_TLB ||
1504                         internals->mode == BONDING_MODE_ALB)
1505                 bond_tlb_enable(internals);
1506
1507         return 0;
1508 }
1509
1510 static void
1511 bond_ethdev_stop(struct rte_eth_dev *eth_dev)
1512 {
1513         struct bond_dev_private *internals = eth_dev->data->dev_private;
1514         uint8_t i;
1515
1516         if (internals->mode == BONDING_MODE_8023AD) {
1517                 struct port *port;
1518                 void *pkt = NULL;
1519
1520                 bond_mode_8023ad_stop(eth_dev);
1521
1522                 /* Discard all messages to/from mode 4 state machines */
1523                 for (i = 0; i < internals->slave_count; i++) {
1524                         port = &mode_8023ad_ports[internals->slaves[i].port_id];
1525
1526                         RTE_VERIFY(port->rx_ring != NULL);
1527                         while (rte_ring_dequeue(port->rx_ring, &pkt) != -ENOENT)
1528                                 rte_pktmbuf_free(pkt);
1529
1530                         RTE_VERIFY(port->tx_ring != NULL);
1531                         while (rte_ring_dequeue(port->tx_ring, &pkt) != -ENOENT)
1532                                 rte_pktmbuf_free(pkt);
1533                 }
1534         }
1535
1536         if (internals->mode == BONDING_MODE_TLB ||
1537                         internals->mode == BONDING_MODE_ALB) {
1538                 bond_tlb_disable(internals);
1539                 for (i = 0; i < internals->active_slave_count; i++)
1540                         tlb_last_obytets[internals->active_slaves[i]] = 0;
1541         }
1542
1543         internals->active_slave_count = 0;
1544         internals->link_status_polling_enabled = 0;
1545
1546         eth_dev->data->dev_link.link_status = 0;
1547         eth_dev->data->dev_started = 0;
1548 }
1549
1550 static void
1551 bond_ethdev_close(struct rte_eth_dev *dev __rte_unused)
1552 {
1553 }
1554
1555 /* forward declaration */
1556 static int bond_ethdev_configure(struct rte_eth_dev *dev);
1557
1558 static void
1559 bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
1560 {
1561         struct bond_dev_private *internals = dev->data->dev_private;
1562
1563         dev_info->driver_name = driver_name;
1564         dev_info->max_mac_addrs = 1;
1565
1566         dev_info->max_rx_pktlen = (uint32_t)2048;
1567
1568         dev_info->max_rx_queues = (uint16_t)128;
1569         dev_info->max_tx_queues = (uint16_t)512;
1570
1571         dev_info->min_rx_bufsize = 0;
1572         dev_info->pci_dev = dev->pci_dev;
1573
1574         dev_info->rx_offload_capa = internals->rx_offload_capa;
1575         dev_info->tx_offload_capa = internals->tx_offload_capa;
1576 }
1577
1578 static int
1579 bond_ethdev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1580                 uint16_t nb_rx_desc, unsigned int socket_id __rte_unused,
1581                 const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool)
1582 {
1583         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)
1584                         rte_zmalloc_socket(NULL, sizeof(struct bond_rx_queue),
1585                                         0, dev->pci_dev->numa_node);
1586         if (bd_rx_q == NULL)
1587                 return -1;
1588
1589         bd_rx_q->queue_id = rx_queue_id;
1590         bd_rx_q->dev_private = dev->data->dev_private;
1591
1592         bd_rx_q->nb_rx_desc = nb_rx_desc;
1593
1594         memcpy(&(bd_rx_q->rx_conf), rx_conf, sizeof(struct rte_eth_rxconf));
1595         bd_rx_q->mb_pool = mb_pool;
1596
1597         dev->data->rx_queues[rx_queue_id] = bd_rx_q;
1598
1599         return 0;
1600 }
1601
1602 static int
1603 bond_ethdev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1604                 uint16_t nb_tx_desc, unsigned int socket_id __rte_unused,
1605                 const struct rte_eth_txconf *tx_conf)
1606 {
1607         struct bond_tx_queue *bd_tx_q  = (struct bond_tx_queue *)
1608                         rte_zmalloc_socket(NULL, sizeof(struct bond_tx_queue),
1609                                         0, dev->pci_dev->numa_node);
1610
1611         if (bd_tx_q == NULL)
1612                 return -1;
1613
1614         bd_tx_q->queue_id = tx_queue_id;
1615         bd_tx_q->dev_private = dev->data->dev_private;
1616
1617         bd_tx_q->nb_tx_desc = nb_tx_desc;
1618         memcpy(&(bd_tx_q->tx_conf), tx_conf, sizeof(bd_tx_q->tx_conf));
1619
1620         dev->data->tx_queues[tx_queue_id] = bd_tx_q;
1621
1622         return 0;
1623 }
1624
1625 static void
1626 bond_ethdev_rx_queue_release(void *queue)
1627 {
1628         if (queue == NULL)
1629                 return;
1630
1631         rte_free(queue);
1632 }
1633
1634 static void
1635 bond_ethdev_tx_queue_release(void *queue)
1636 {
1637         if (queue == NULL)
1638                 return;
1639
1640         rte_free(queue);
1641 }
1642
1643 static void
1644 bond_ethdev_slave_link_status_change_monitor(void *cb_arg)
1645 {
1646         struct rte_eth_dev *bonded_ethdev, *slave_ethdev;
1647         struct bond_dev_private *internals;
1648
1649         /* Default value for polling slave found is true as we don't want to
1650          * disable the polling thread if we cannot get the lock */
1651         int i, polling_slave_found = 1;
1652
1653         if (cb_arg == NULL)
1654                 return;
1655
1656         bonded_ethdev = (struct rte_eth_dev *)cb_arg;
1657         internals = (struct bond_dev_private *)bonded_ethdev->data->dev_private;
1658
1659         if (!bonded_ethdev->data->dev_started ||
1660                 !internals->link_status_polling_enabled)
1661                 return;
1662
1663         /* If device is currently being configured then don't check slaves link
1664          * status, wait until next period */
1665         if (rte_spinlock_trylock(&internals->lock)) {
1666                 if (internals->slave_count > 0)
1667                         polling_slave_found = 0;
1668
1669                 for (i = 0; i < internals->slave_count; i++) {
1670                         if (!internals->slaves[i].link_status_poll_enabled)
1671                                 continue;
1672
1673                         slave_ethdev = &rte_eth_devices[internals->slaves[i].port_id];
1674                         polling_slave_found = 1;
1675
1676                         /* Update slave link status */
1677                         (*slave_ethdev->dev_ops->link_update)(slave_ethdev,
1678                                         internals->slaves[i].link_status_wait_to_complete);
1679
1680                         /* if link status has changed since last checked then call lsc
1681                          * event callback */
1682                         if (slave_ethdev->data->dev_link.link_status !=
1683                                         internals->slaves[i].last_link_status) {
1684                                 internals->slaves[i].last_link_status =
1685                                                 slave_ethdev->data->dev_link.link_status;
1686
1687                                 bond_ethdev_lsc_event_callback(internals->slaves[i].port_id,
1688                                                 RTE_ETH_EVENT_INTR_LSC,
1689                                                 &bonded_ethdev->data->port_id);
1690                         }
1691                 }
1692                 rte_spinlock_unlock(&internals->lock);
1693         }
1694
1695         if (polling_slave_found)
1696                 /* Set alarm to continue monitoring link status of slave ethdev's */
1697                 rte_eal_alarm_set(internals->link_status_polling_interval_ms * 1000,
1698                                 bond_ethdev_slave_link_status_change_monitor, cb_arg);
1699 }
1700
1701 static int
1702 bond_ethdev_link_update(struct rte_eth_dev *bonded_eth_dev,
1703                 int wait_to_complete)
1704 {
1705         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1706
1707         if (!bonded_eth_dev->data->dev_started ||
1708                 internals->active_slave_count == 0) {
1709                 bonded_eth_dev->data->dev_link.link_status = 0;
1710                 return 0;
1711         } else {
1712                 struct rte_eth_dev *slave_eth_dev;
1713                 int i, link_up = 0;
1714
1715                 for (i = 0; i < internals->active_slave_count; i++) {
1716                         slave_eth_dev = &rte_eth_devices[internals->active_slaves[i]];
1717
1718                         (*slave_eth_dev->dev_ops->link_update)(slave_eth_dev,
1719                                         wait_to_complete);
1720                         if (slave_eth_dev->data->dev_link.link_status == 1) {
1721                                 link_up = 1;
1722                                 break;
1723                         }
1724                 }
1725
1726                 bonded_eth_dev->data->dev_link.link_status = link_up;
1727         }
1728
1729         return 0;
1730 }
1731
1732 static void
1733 bond_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1734 {
1735         struct bond_dev_private *internals = dev->data->dev_private;
1736         struct rte_eth_stats slave_stats;
1737         int i;
1738
1739         for (i = 0; i < internals->slave_count; i++) {
1740                 rte_eth_stats_get(internals->slaves[i].port_id, &slave_stats);
1741
1742                 stats->ipackets += slave_stats.ipackets;
1743                 stats->opackets += slave_stats.opackets;
1744                 stats->ibytes += slave_stats.ibytes;
1745                 stats->obytes += slave_stats.obytes;
1746                 stats->ierrors += slave_stats.ierrors;
1747                 stats->oerrors += slave_stats.oerrors;
1748                 stats->imcasts += slave_stats.imcasts;
1749                 stats->rx_nombuf += slave_stats.rx_nombuf;
1750                 stats->fdirmatch += slave_stats.fdirmatch;
1751                 stats->fdirmiss += slave_stats.fdirmiss;
1752                 stats->tx_pause_xon += slave_stats.tx_pause_xon;
1753                 stats->rx_pause_xon += slave_stats.rx_pause_xon;
1754                 stats->tx_pause_xoff += slave_stats.tx_pause_xoff;
1755                 stats->rx_pause_xoff += slave_stats.rx_pause_xoff;
1756         }
1757 }
1758
1759 static void
1760 bond_ethdev_stats_reset(struct rte_eth_dev *dev)
1761 {
1762         struct bond_dev_private *internals = dev->data->dev_private;
1763         int i;
1764
1765         for (i = 0; i < internals->slave_count; i++)
1766                 rte_eth_stats_reset(internals->slaves[i].port_id);
1767 }
1768
1769 static void
1770 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
1771 {
1772         struct bond_dev_private *internals = eth_dev->data->dev_private;
1773         int i;
1774
1775         internals->promiscuous_en = 1;
1776
1777         switch (internals->mode) {
1778         /* Promiscuous mode is propagated to all slaves */
1779         case BONDING_MODE_ROUND_ROBIN:
1780         case BONDING_MODE_BALANCE:
1781         case BONDING_MODE_BROADCAST:
1782                 for (i = 0; i < internals->slave_count; i++)
1783                         rte_eth_promiscuous_enable(internals->slaves[i].port_id);
1784                 break;
1785         /* In mode4 promiscus mode is managed when slave is added/removed */
1786         case BONDING_MODE_8023AD:
1787                 break;
1788         /* Promiscuous mode is propagated only to primary slave */
1789         case BONDING_MODE_ACTIVE_BACKUP:
1790         case BONDING_MODE_TLB:
1791         case BONDING_MODE_ALB:
1792         default:
1793                 rte_eth_promiscuous_enable(internals->current_primary_port);
1794         }
1795 }
1796
1797 static void
1798 bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
1799 {
1800         struct bond_dev_private *internals = dev->data->dev_private;
1801         int i;
1802
1803         internals->promiscuous_en = 0;
1804
1805         switch (internals->mode) {
1806         /* Promiscuous mode is propagated to all slaves */
1807         case BONDING_MODE_ROUND_ROBIN:
1808         case BONDING_MODE_BALANCE:
1809         case BONDING_MODE_BROADCAST:
1810                 for (i = 0; i < internals->slave_count; i++)
1811                         rte_eth_promiscuous_disable(internals->slaves[i].port_id);
1812                 break;
1813         /* In mode4 promiscus mode is set managed when slave is added/removed */
1814         case BONDING_MODE_8023AD:
1815                 break;
1816         /* Promiscuous mode is propagated only to primary slave */
1817         case BONDING_MODE_ACTIVE_BACKUP:
1818         case BONDING_MODE_TLB:
1819         case BONDING_MODE_ALB:
1820         default:
1821                 rte_eth_promiscuous_disable(internals->current_primary_port);
1822         }
1823 }
1824
1825 static void
1826 bond_ethdev_delayed_lsc_propagation(void *arg)
1827 {
1828         if (arg == NULL)
1829                 return;
1830
1831         _rte_eth_dev_callback_process((struct rte_eth_dev *)arg,
1832                         RTE_ETH_EVENT_INTR_LSC);
1833 }
1834
1835 void
1836 bond_ethdev_lsc_event_callback(uint8_t port_id, enum rte_eth_event_type type,
1837                 void *param)
1838 {
1839         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
1840         struct bond_dev_private *internals;
1841         struct rte_eth_link link;
1842
1843         int i, valid_slave = 0;
1844         uint8_t active_pos;
1845         uint8_t lsc_flag = 0;
1846
1847         if (type != RTE_ETH_EVENT_INTR_LSC || param == NULL)
1848                 return;
1849
1850         bonded_eth_dev = &rte_eth_devices[*(uint8_t *)param];
1851         slave_eth_dev = &rte_eth_devices[port_id];
1852
1853         if (valid_bonded_ethdev(bonded_eth_dev))
1854                 return;
1855
1856         internals = bonded_eth_dev->data->dev_private;
1857
1858         /* If the device isn't started don't handle interrupts */
1859         if (!bonded_eth_dev->data->dev_started)
1860                 return;
1861
1862         /* verify that port_id is a valid slave of bonded port */
1863         for (i = 0; i < internals->slave_count; i++) {
1864                 if (internals->slaves[i].port_id == port_id) {
1865                         valid_slave = 1;
1866                         break;
1867                 }
1868         }
1869
1870         if (!valid_slave)
1871                 return;
1872
1873         /* Search for port in active port list */
1874         active_pos = find_slave_by_id(internals->active_slaves,
1875                         internals->active_slave_count, port_id);
1876
1877         rte_eth_link_get_nowait(port_id, &link);
1878         if (link.link_status) {
1879                 if (active_pos < internals->active_slave_count)
1880                         return;
1881
1882                 /* if no active slave ports then set this port to be primary port */
1883                 if (internals->active_slave_count < 1) {
1884                         /* If first active slave, then change link status */
1885                         bonded_eth_dev->data->dev_link.link_status = 1;
1886                         internals->current_primary_port = port_id;
1887                         lsc_flag = 1;
1888
1889                         mac_address_slaves_update(bonded_eth_dev);
1890
1891                         /* Inherit eth dev link properties from first active slave */
1892                         link_properties_set(bonded_eth_dev,
1893                                         &(slave_eth_dev->data->dev_link));
1894                 }
1895
1896                 activate_slave(bonded_eth_dev, port_id);
1897
1898                 /* If user has defined the primary port then default to using it */
1899                 if (internals->user_defined_primary_port &&
1900                                 internals->primary_port == port_id)
1901                         bond_ethdev_primary_set(internals, port_id);
1902         } else {
1903                 if (active_pos == internals->active_slave_count)
1904                         return;
1905
1906                 /* Remove from active slave list */
1907                 deactivate_slave(bonded_eth_dev, port_id);
1908
1909                 /* No active slaves, change link status to down and reset other
1910                  * link properties */
1911                 if (internals->active_slave_count < 1) {
1912                         lsc_flag = 1;
1913                         bonded_eth_dev->data->dev_link.link_status = 0;
1914
1915                         link_properties_reset(bonded_eth_dev);
1916                 }
1917
1918                 /* Update primary id, take first active slave from list or if none
1919                  * available set to -1 */
1920                 if (port_id == internals->current_primary_port) {
1921                         if (internals->active_slave_count > 0)
1922                                 bond_ethdev_primary_set(internals,
1923                                                 internals->active_slaves[0]);
1924                         else
1925                                 internals->current_primary_port = internals->primary_port;
1926                 }
1927         }
1928
1929         if (lsc_flag) {
1930                 /* Cancel any possible outstanding interrupts if delays are enabled */
1931                 if (internals->link_up_delay_ms > 0 ||
1932                         internals->link_down_delay_ms > 0)
1933                         rte_eal_alarm_cancel(bond_ethdev_delayed_lsc_propagation,
1934                                         bonded_eth_dev);
1935
1936                 if (bonded_eth_dev->data->dev_link.link_status) {
1937                         if (internals->link_up_delay_ms > 0)
1938                                 rte_eal_alarm_set(internals->link_up_delay_ms * 1000,
1939                                                 bond_ethdev_delayed_lsc_propagation,
1940                                                 (void *)bonded_eth_dev);
1941                         else
1942                                 _rte_eth_dev_callback_process(bonded_eth_dev,
1943                                                 RTE_ETH_EVENT_INTR_LSC);
1944
1945                 } else {
1946                         if (internals->link_down_delay_ms > 0)
1947                                 rte_eal_alarm_set(internals->link_down_delay_ms * 1000,
1948                                                 bond_ethdev_delayed_lsc_propagation,
1949                                                 (void *)bonded_eth_dev);
1950                         else
1951                                 _rte_eth_dev_callback_process(bonded_eth_dev,
1952                                                 RTE_ETH_EVENT_INTR_LSC);
1953                 }
1954         }
1955 }
1956
1957 struct eth_dev_ops default_dev_ops = {
1958                 .dev_start = bond_ethdev_start,
1959                 .dev_stop = bond_ethdev_stop,
1960                 .dev_close = bond_ethdev_close,
1961                 .dev_configure = bond_ethdev_configure,
1962                 .dev_infos_get = bond_ethdev_info,
1963                 .rx_queue_setup = bond_ethdev_rx_queue_setup,
1964                 .tx_queue_setup = bond_ethdev_tx_queue_setup,
1965                 .rx_queue_release = bond_ethdev_rx_queue_release,
1966                 .tx_queue_release = bond_ethdev_tx_queue_release,
1967                 .link_update = bond_ethdev_link_update,
1968                 .stats_get = bond_ethdev_stats_get,
1969                 .stats_reset = bond_ethdev_stats_reset,
1970                 .promiscuous_enable = bond_ethdev_promiscuous_enable,
1971                 .promiscuous_disable = bond_ethdev_promiscuous_disable
1972 };
1973
1974 static int
1975 bond_init(const char *name, const char *params)
1976 {
1977         struct bond_dev_private *internals;
1978         struct rte_kvargs *kvlist;
1979         uint8_t bonding_mode, socket_id;
1980         int  arg_count, port_id;
1981
1982         RTE_LOG(INFO, EAL, "Initializing pmd_bond for %s\n", name);
1983
1984         kvlist = rte_kvargs_parse(params, pmd_bond_init_valid_arguments);
1985         if (kvlist == NULL)
1986                 return -1;
1987
1988         /* Parse link bonding mode */
1989         if (rte_kvargs_count(kvlist, PMD_BOND_MODE_KVARG) == 1) {
1990                 if (rte_kvargs_process(kvlist, PMD_BOND_MODE_KVARG,
1991                                 &bond_ethdev_parse_slave_mode_kvarg,
1992                                 &bonding_mode) != 0) {
1993                         RTE_LOG(ERR, EAL, "Invalid mode for bonded device %s\n",
1994                                         name);
1995                         goto parse_error;
1996                 }
1997         } else {
1998                 RTE_LOG(ERR, EAL, "Mode must be specified only once for bonded "
1999                                 "device %s\n", name);
2000                 goto parse_error;
2001         }
2002
2003         /* Parse socket id to create bonding device on */
2004         arg_count = rte_kvargs_count(kvlist, PMD_BOND_SOCKET_ID_KVARG);
2005         if (arg_count == 1) {
2006                 if (rte_kvargs_process(kvlist, PMD_BOND_SOCKET_ID_KVARG,
2007                                 &bond_ethdev_parse_socket_id_kvarg, &socket_id)
2008                                 != 0) {
2009                         RTE_LOG(ERR, EAL, "Invalid socket Id specified for "
2010                                         "bonded device %s\n", name);
2011                         goto parse_error;
2012                 }
2013         } else if (arg_count > 1) {
2014                 RTE_LOG(ERR, EAL, "Socket Id can be specified only once for "
2015                                 "bonded device %s\n", name);
2016                 goto parse_error;
2017         } else {
2018                 socket_id = rte_socket_id();
2019         }
2020
2021         /* Create link bonding eth device */
2022         port_id = rte_eth_bond_create(name, bonding_mode, socket_id);
2023         if (port_id < 0) {
2024                 RTE_LOG(ERR, EAL, "Failed to create socket %s in mode %u on "
2025                                 "socket %u.\n", name, bonding_mode, socket_id);
2026                 goto parse_error;
2027         }
2028         internals = rte_eth_devices[port_id].data->dev_private;
2029         internals->kvlist = kvlist;
2030
2031         RTE_LOG(INFO, EAL, "Create bonded device %s on port %d in mode %u on "
2032                         "socket %u.\n", name, port_id, bonding_mode, socket_id);
2033         return 0;
2034
2035 parse_error:
2036         rte_kvargs_free(kvlist);
2037
2038         return -1;
2039 }
2040
2041 /* this part will resolve the slave portids after all the other pdev and vdev
2042  * have been allocated */
2043 static int
2044 bond_ethdev_configure(struct rte_eth_dev *dev)
2045 {
2046         char *name = dev->data->name;
2047         struct bond_dev_private *internals = dev->data->dev_private;
2048         struct rte_kvargs *kvlist = internals->kvlist;
2049         int arg_count;
2050         uint8_t port_id = dev - rte_eth_devices;
2051
2052         /*
2053          * if no kvlist, it means that this bonded device has been created
2054          * through the bonding api.
2055          */
2056         if (!kvlist)
2057                 return 0;
2058
2059         /* Parse MAC address for bonded device */
2060         arg_count = rte_kvargs_count(kvlist, PMD_BOND_MAC_ADDR_KVARG);
2061         if (arg_count == 1) {
2062                 struct ether_addr bond_mac;
2063
2064                 if (rte_kvargs_process(kvlist, PMD_BOND_MAC_ADDR_KVARG,
2065                                 &bond_ethdev_parse_bond_mac_addr_kvarg, &bond_mac) < 0) {
2066                         RTE_LOG(INFO, EAL, "Invalid mac address for bonded device %s\n",
2067                                         name);
2068                         return -1;
2069                 }
2070
2071                 /* Set MAC address */
2072                 if (rte_eth_bond_mac_address_set(port_id, &bond_mac) != 0) {
2073                         RTE_LOG(ERR, EAL,
2074                                         "Failed to set mac address on bonded device %s\n",
2075                                         name);
2076                         return -1;
2077                 }
2078         } else if (arg_count > 1) {
2079                 RTE_LOG(ERR, EAL,
2080                                 "MAC address can be specified only once for bonded device %s\n",
2081                                 name);
2082                 return -1;
2083         }
2084
2085         /* Parse/set balance mode transmit policy */
2086         arg_count = rte_kvargs_count(kvlist, PMD_BOND_XMIT_POLICY_KVARG);
2087         if (arg_count == 1) {
2088                 uint8_t xmit_policy;
2089
2090                 if (rte_kvargs_process(kvlist, PMD_BOND_XMIT_POLICY_KVARG,
2091                                 &bond_ethdev_parse_balance_xmit_policy_kvarg, &xmit_policy) !=
2092                                                 0) {
2093                         RTE_LOG(INFO, EAL,
2094                                         "Invalid xmit policy specified for bonded device %s\n",
2095                                         name);
2096                         return -1;
2097                 }
2098
2099                 /* Set balance mode transmit policy*/
2100                 if (rte_eth_bond_xmit_policy_set(port_id, xmit_policy) != 0) {
2101                         RTE_LOG(ERR, EAL,
2102                                         "Failed to set balance xmit policy on bonded device %s\n",
2103                                         name);
2104                         return -1;
2105                 }
2106         } else if (arg_count > 1) {
2107                 RTE_LOG(ERR, EAL,
2108                                 "Transmit policy can be specified only once for bonded device"
2109                                 " %s\n", name);
2110                 return -1;
2111         }
2112
2113         /* Parse/add slave ports to bonded device */
2114         if (rte_kvargs_count(kvlist, PMD_BOND_SLAVE_PORT_KVARG) > 0) {
2115                 struct bond_ethdev_slave_ports slave_ports;
2116                 unsigned i;
2117
2118                 memset(&slave_ports, 0, sizeof(slave_ports));
2119
2120                 if (rte_kvargs_process(kvlist, PMD_BOND_SLAVE_PORT_KVARG,
2121                                 &bond_ethdev_parse_slave_port_kvarg, &slave_ports) != 0) {
2122                         RTE_LOG(ERR, EAL,
2123                                         "Failed to parse slave ports for bonded device %s\n",
2124                                         name);
2125                         return -1;
2126                 }
2127
2128                 for (i = 0; i < slave_ports.slave_count; i++) {
2129                         if (rte_eth_bond_slave_add(port_id, slave_ports.slaves[i]) != 0) {
2130                                 RTE_LOG(ERR, EAL,
2131                                                 "Failed to add port %d as slave to bonded device %s\n",
2132                                                 slave_ports.slaves[i], name);
2133                         }
2134                 }
2135
2136         } else {
2137                 RTE_LOG(INFO, EAL, "No slaves specified for bonded device %s\n", name);
2138                 return -1;
2139         }
2140
2141         /* Parse/set primary slave port id*/
2142         arg_count = rte_kvargs_count(kvlist, PMD_BOND_PRIMARY_SLAVE_KVARG);
2143         if (arg_count == 1) {
2144                 uint8_t primary_slave_port_id;
2145
2146                 if (rte_kvargs_process(kvlist,
2147                                 PMD_BOND_PRIMARY_SLAVE_KVARG,
2148                                 &bond_ethdev_parse_primary_slave_port_id_kvarg,
2149                                 &primary_slave_port_id) < 0) {
2150                         RTE_LOG(INFO, EAL,
2151                                         "Invalid primary slave port id specified for bonded device"
2152                                         " %s\n", name);
2153                         return -1;
2154                 }
2155
2156                 /* Set balance mode transmit policy*/
2157                 if (rte_eth_bond_primary_set(port_id, (uint8_t)primary_slave_port_id)
2158                                 != 0) {
2159                         RTE_LOG(ERR, EAL,
2160                                         "Failed to set primary slave port %d on bonded device %s\n",
2161                                         primary_slave_port_id, name);
2162                         return -1;
2163                 }
2164         } else if (arg_count > 1) {
2165                 RTE_LOG(INFO, EAL,
2166                                 "Primary slave can be specified only once for bonded device"
2167                                 " %s\n", name);
2168                 return -1;
2169         }
2170
2171         /* Parse link status monitor polling interval */
2172         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LSC_POLL_PERIOD_KVARG);
2173         if (arg_count == 1) {
2174                 uint32_t lsc_poll_interval_ms;
2175
2176                 if (rte_kvargs_process(kvlist,
2177                                 PMD_BOND_LSC_POLL_PERIOD_KVARG,
2178                                 &bond_ethdev_parse_time_ms_kvarg,
2179                                 &lsc_poll_interval_ms) < 0) {
2180                         RTE_LOG(INFO, EAL,
2181                                         "Invalid lsc polling interval value specified for bonded"
2182                                         " device %s\n", name);
2183                         return -1;
2184                 }
2185
2186                 if (rte_eth_bond_link_monitoring_set(port_id, lsc_poll_interval_ms)
2187                                 != 0) {
2188                         RTE_LOG(ERR, EAL,
2189                                         "Failed to set lsc monitor polling interval (%u ms) on"
2190                                         " bonded device %s\n", lsc_poll_interval_ms, name);
2191                         return -1;
2192                 }
2193         } else if (arg_count > 1) {
2194                 RTE_LOG(INFO, EAL,
2195                                 "LSC polling interval can be specified only once for bonded"
2196                                 " device %s\n", name);
2197                 return -1;
2198         }
2199
2200         /* Parse link up interrupt propagation delay */
2201         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_UP_PROP_DELAY_KVARG);
2202         if (arg_count == 1) {
2203                 uint32_t link_up_delay_ms;
2204
2205                 if (rte_kvargs_process(kvlist,
2206                                 PMD_BOND_LINK_UP_PROP_DELAY_KVARG,
2207                                 &bond_ethdev_parse_time_ms_kvarg,
2208                                 &link_up_delay_ms) < 0) {
2209                         RTE_LOG(INFO, EAL,
2210                                         "Invalid link up propagation delay value specified for"
2211                                         " bonded device %s\n", name);
2212                         return -1;
2213                 }
2214
2215                 /* Set balance mode transmit policy*/
2216                 if (rte_eth_bond_link_up_prop_delay_set(port_id, link_up_delay_ms)
2217                                 != 0) {
2218                         RTE_LOG(ERR, EAL,
2219                                         "Failed to set link up propagation delay (%u ms) on bonded"
2220                                         " device %s\n", link_up_delay_ms, name);
2221                         return -1;
2222                 }
2223         } else if (arg_count > 1) {
2224                 RTE_LOG(INFO, EAL,
2225                                 "Link up propagation delay can be specified only once for"
2226                                 " bonded device %s\n", name);
2227                 return -1;
2228         }
2229
2230         /* Parse link down interrupt propagation delay */
2231         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG);
2232         if (arg_count == 1) {
2233                 uint32_t link_down_delay_ms;
2234
2235                 if (rte_kvargs_process(kvlist,
2236                                 PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG,
2237                                 &bond_ethdev_parse_time_ms_kvarg,
2238                                 &link_down_delay_ms) < 0) {
2239                         RTE_LOG(INFO, EAL,
2240                                         "Invalid link down propagation delay value specified for"
2241                                         " bonded device %s\n", name);
2242                         return -1;
2243                 }
2244
2245                 /* Set balance mode transmit policy*/
2246                 if (rte_eth_bond_link_down_prop_delay_set(port_id, link_down_delay_ms)
2247                                 != 0) {
2248                         RTE_LOG(ERR, EAL,
2249                                         "Failed to set link down propagation delay (%u ms) on"
2250                                         " bonded device %s\n", link_down_delay_ms, name);
2251                         return -1;
2252                 }
2253         } else if (arg_count > 1) {
2254                 RTE_LOG(INFO, EAL,
2255                                 "Link down propagation delay can be specified only once for"
2256                                 " bonded device %s\n", name);
2257                 return -1;
2258         }
2259
2260         return 0;
2261 }
2262
2263 static struct rte_driver bond_drv = {
2264         .name = "eth_bond",
2265         .type = PMD_VDEV,
2266         .init = bond_init,
2267 };
2268
2269 PMD_REGISTER_DRIVER(bond_drv);