drivers/net/bonding/rte_eth_bond_pmd.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2015 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_ip_frag.h>
  43 #include <rte_devargs.h>
  44 #include <rte_kvargs.h>
  45 #include <rte_vdev.h>
  46 #include <rte_alarm.h>
  47 #include <rte_cycles.h>
  48
  49 #include "rte_eth_bond.h"
  50 #include "rte_eth_bond_private.h"
  51 #include "rte_eth_bond_8023ad_private.h"
  52
  53 #define REORDER_PERIOD_MS 10
  54
  55 #define HASH_L4_PORTS(h) ((h)->src_port ^ (h)->dst_port)
  56
  57 /* Table for statistics in mode 5 TLB */
  58 static uint64_t tlb_last_obytets[RTE_MAX_ETHPORTS];
  59
  60 static inline size_t
  61 get_vlan_offset(struct ether_hdr *eth_hdr, uint16_t *proto)
  62 {
  63         size_t vlan_offset = 0;
  64
  65         if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
  66                 struct vlan_hdr *vlan_hdr = (struct vlan_hdr *)(eth_hdr + 1);
  67
  68                 vlan_offset = sizeof(struct vlan_hdr);
  69                 *proto = vlan_hdr->eth_proto;
  70
  71                 if (rte_cpu_to_be_16(ETHER_TYPE_VLAN) == *proto) {
  72                         vlan_hdr = vlan_hdr + 1;
  73                         *proto = vlan_hdr->eth_proto;
  74                         vlan_offset += sizeof(struct vlan_hdr);
  75                 }
  76         }
  77         return vlan_offset;
  78 }
  79
  80 static uint16_t
  81 bond_ethdev_rx_burst(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
  82 {
  83         struct bond_dev_private *internals;
  84
  85         uint16_t num_rx_slave = 0;
  86         uint16_t num_rx_total = 0;
  87
  88         int i;
  89
  90         /* Cast to structure, containing bonded device's port id and queue id */
  91         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
  92
  93         internals = bd_rx_q->dev_private;
  94
  95
  96         for (i = 0; i < internals->active_slave_count && nb_pkts; i++) {
  97                 /* Offset of pointer to *bufs increases as packets are received
  98                  * from other slaves */
  99                 num_rx_slave = rte_eth_rx_burst(internals->active_slaves[i],
 100                                 bd_rx_q->queue_id, bufs + num_rx_total, nb_pkts);
 101                 if (num_rx_slave) {
 102                         num_rx_total += num_rx_slave;
 103                         nb_pkts -= num_rx_slave;
 104                 }
 105         }
 106
 107         return num_rx_total;
 108 }
 109
 110 static uint16_t
 111 bond_ethdev_rx_burst_active_backup(void *queue, struct rte_mbuf **bufs,
 112                 uint16_t nb_pkts)
 113 {
 114         struct bond_dev_private *internals;
 115
 116         /* Cast to structure, containing bonded device's port id and queue id */
 117         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
 118
 119         internals = bd_rx_q->dev_private;
 120
 121         return rte_eth_rx_burst(internals->current_primary_port,
 122                         bd_rx_q->queue_id, bufs, nb_pkts);
 123 }
 124
 125 static inline uint8_t
 126 is_lacp_packets(uint16_t ethertype, uint8_t subtype, uint16_t vlan_tci)
 127 {
 128         const uint16_t ether_type_slow_be = rte_be_to_cpu_16(ETHER_TYPE_SLOW);
 129
 130         return !vlan_tci && (ethertype == ether_type_slow_be &&
 131                 (subtype == SLOW_SUBTYPE_MARKER || subtype == SLOW_SUBTYPE_LACP));
 132 }
 133
 134 static uint16_t
 135 bond_ethdev_rx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
 136                 uint16_t nb_pkts)
 137 {
 138         /* Cast to structure, containing bonded device's port id and queue id */
 139         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)queue;
 140         struct bond_dev_private *internals = bd_rx_q->dev_private;
 141         struct ether_addr bond_mac;
 142
 143         struct ether_hdr *hdr;
 144
 145         const uint16_t ether_type_slow_be = rte_be_to_cpu_16(ETHER_TYPE_SLOW);
 146         uint16_t num_rx_total = 0;      /* Total number of received packets */
 147         uint8_t slaves[RTE_MAX_ETHPORTS];
 148         uint8_t slave_count;
 149
 150         uint8_t collecting;  /* current slave collecting status */
 151         const uint8_t promisc = internals->promiscuous_en;
 152         uint8_t i, j, k;
 153         uint8_t subtype;
 154
 155         rte_eth_macaddr_get(internals->port_id, &bond_mac);
 156         /* Copy slave list to protect against slave up/down changes during tx
 157          * bursting */
 158         slave_count = internals->active_slave_count;
 159         memcpy(slaves, internals->active_slaves,
 160                         sizeof(internals->active_slaves[0]) * slave_count);
 161
 162         for (i = 0; i < slave_count && num_rx_total < nb_pkts; i++) {
 163                 j = num_rx_total;
 164                 collecting = ACTOR_STATE(&mode_8023ad_ports[slaves[i]], COLLECTING);
 165
 166                 /* Read packets from this slave */
 167                 num_rx_total += rte_eth_rx_burst(slaves[i], bd_rx_q->queue_id,
 168                                 &bufs[num_rx_total], nb_pkts - num_rx_total);
 169
 170                 for (k = j; k < 2 && k < num_rx_total; k++)
 171                         rte_prefetch0(rte_pktmbuf_mtod(bufs[k], void *));
 172
 173                 /* Handle slow protocol packets. */
 174                 while (j < num_rx_total) {
 175                         if (j + 3 < num_rx_total)
 176                                 rte_prefetch0(rte_pktmbuf_mtod(bufs[j + 3], void *));
 177
 178                         hdr = rte_pktmbuf_mtod(bufs[j], struct ether_hdr *);
 179                         subtype = ((struct slow_protocol_frame *)hdr)->slow_protocol.subtype;
 180
 181                         /* Remove packet from array if it is slow packet or slave is not
 182                          * in collecting state or bondign interface is not in promiscus
 183                          * mode and packet address does not match. */
 184                         if (unlikely(is_lacp_packets(hdr->ether_type, subtype, bufs[j]->vlan_tci) ||
 185                                 !collecting || (!promisc &&
 186                                         !is_multicast_ether_addr(&hdr->d_addr) &&
 187                                         !is_same_ether_addr(&bond_mac, &hdr->d_addr)))) {
 188
 189                                 if (hdr->ether_type == ether_type_slow_be) {
 190                                         bond_mode_8023ad_handle_slow_pkt(internals, slaves[i],
 191                                                 bufs[j]);
 192                                 } else
 193                                         rte_pktmbuf_free(bufs[j]);
 194
 195                                 /* Packet is managed by mode 4 or dropped, shift the array */
 196                                 num_rx_total--;
 197                                 if (j < num_rx_total) {
 198                                         memmove(&bufs[j], &bufs[j + 1], sizeof(bufs[0]) *
 199                                                 (num_rx_total - j));
 200                                 }
 201                         } else
 202                                 j++;
 203                 }
 204         }
 205
 206         return num_rx_total;
 207 }
 208
 209 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 210 uint32_t burstnumberRX;
 211 uint32_t burstnumberTX;
 212
 213 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 214
 215 static void
 216 arp_op_name(uint16_t arp_op, char *buf)
 217 {
 218         switch (arp_op) {
 219         case ARP_OP_REQUEST:
 220                 snprintf(buf, sizeof("ARP Request"), "%s", "ARP Request");
 221                 return;
 222         case ARP_OP_REPLY:
 223                 snprintf(buf, sizeof("ARP Reply"), "%s", "ARP Reply");
 224                 return;
 225         case ARP_OP_REVREQUEST:
 226                 snprintf(buf, sizeof("Reverse ARP Request"), "%s",
 227                                 "Reverse ARP Request");
 228                 return;
 229         case ARP_OP_REVREPLY:
 230                 snprintf(buf, sizeof("Reverse ARP Reply"), "%s",
 231                                 "Reverse ARP Reply");
 232                 return;
 233         case ARP_OP_INVREQUEST:
 234                 snprintf(buf, sizeof("Peer Identify Request"), "%s",
 235                                 "Peer Identify Request");
 236                 return;
 237         case ARP_OP_INVREPLY:
 238                 snprintf(buf, sizeof("Peer Identify Reply"), "%s",
 239                                 "Peer Identify Reply");
 240                 return;
 241         default:
 242                 break;
 243         }
 244         snprintf(buf, sizeof("Unknown"), "%s", "Unknown");
 245         return;
 246 }
 247 #endif
 248 #define MaxIPv4String   16
 249 static void
 250 ipv4_addr_to_dot(uint32_t be_ipv4_addr, char *buf, uint8_t buf_size)
 251 {
 252         uint32_t ipv4_addr;
 253
 254         ipv4_addr = rte_be_to_cpu_32(be_ipv4_addr);
 255         snprintf(buf, buf_size, "%d.%d.%d.%d", (ipv4_addr >> 24) & 0xFF,
 256                 (ipv4_addr >> 16) & 0xFF, (ipv4_addr >> 8) & 0xFF,
 257                 ipv4_addr & 0xFF);
 258 }
 259
 260 #define MAX_CLIENTS_NUMBER      128
 261 uint8_t active_clients;
 262 struct client_stats_t {
 263         uint8_t port;
 264         uint32_t ipv4_addr;
 265         uint32_t ipv4_rx_packets;
 266         uint32_t ipv4_tx_packets;
 267 };
 268 struct client_stats_t client_stats[MAX_CLIENTS_NUMBER];
 269
 270 static void
 271 update_client_stats(uint32_t addr, uint8_t port, uint32_t *TXorRXindicator)
 272 {
 273         int i = 0;
 274
 275         for (; i < MAX_CLIENTS_NUMBER; i++)     {
 276                 if ((client_stats[i].ipv4_addr == addr) && (client_stats[i].port == port))      {
 277                         /* Just update RX packets number for this client */
 278                         if (TXorRXindicator == &burstnumberRX)
 279                                 client_stats[i].ipv4_rx_packets++;
 280                         else
 281                                 client_stats[i].ipv4_tx_packets++;
 282                         return;
 283                 }
 284         }
 285         /* We have a new client. Insert him to the table, and increment stats */
 286         if (TXorRXindicator == &burstnumberRX)
 287                 client_stats[active_clients].ipv4_rx_packets++;
 288         else
 289                 client_stats[active_clients].ipv4_tx_packets++;
 290         client_stats[active_clients].ipv4_addr = addr;
 291         client_stats[active_clients].port = port;
 292         active_clients++;
 293
 294 }
 295
 296 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 297 #define MODE6_DEBUG(info, src_ip, dst_ip, eth_h, arp_op, port, burstnumber)     \
 298                 RTE_LOG(DEBUG, PMD, \
 299                 "%s " \
 300                 "port:%d " \
 301                 "SrcMAC:%02X:%02X:%02X:%02X:%02X:%02X " \
 302                 "SrcIP:%s " \
 303                 "DstMAC:%02X:%02X:%02X:%02X:%02X:%02X " \
 304                 "DstIP:%s " \
 305                 "%s " \
 306                 "%d\n", \
 307                 info, \
 308                 port, \
 309                 eth_h->s_addr.addr_bytes[0], \
 310                 eth_h->s_addr.addr_bytes[1], \
 311                 eth_h->s_addr.addr_bytes[2], \
 312                 eth_h->s_addr.addr_bytes[3], \
 313                 eth_h->s_addr.addr_bytes[4], \
 314                 eth_h->s_addr.addr_bytes[5], \
 315                 src_ip, \
 316                 eth_h->d_addr.addr_bytes[0], \
 317                 eth_h->d_addr.addr_bytes[1], \
 318                 eth_h->d_addr.addr_bytes[2], \
 319                 eth_h->d_addr.addr_bytes[3], \
 320                 eth_h->d_addr.addr_bytes[4], \
 321                 eth_h->d_addr.addr_bytes[5], \
 322                 dst_ip, \
 323                 arp_op, \
 324                 ++burstnumber)
 325 #endif
 326
 327 static void
 328 mode6_debug(const char __attribute__((unused)) *info, struct ether_hdr *eth_h,
 329                 uint8_t port, uint32_t __attribute__((unused)) *burstnumber)
 330 {
 331         struct ipv4_hdr *ipv4_h;
 332 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 333         struct arp_hdr *arp_h;
 334         char dst_ip[16];
 335         char ArpOp[24];
 336         char buf[16];
 337 #endif
 338         char src_ip[16];
 339
 340         uint16_t ether_type = eth_h->ether_type;
 341         uint16_t offset = get_vlan_offset(eth_h, &ether_type);
 342
 343 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 344         snprintf(buf, 16, "%s", info);
 345 #endif
 346
 347         if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 348                 ipv4_h = (struct ipv4_hdr *)((char *)(eth_h + 1) + offset);
 349                 ipv4_addr_to_dot(ipv4_h->src_addr, src_ip, MaxIPv4String);
 350 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 351                 ipv4_addr_to_dot(ipv4_h->dst_addr, dst_ip, MaxIPv4String);
 352                 MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, "", port, *burstnumber);
 353 #endif
 354                 update_client_stats(ipv4_h->src_addr, port, burstnumber);
 355         }
 356 #ifdef RTE_LIBRTE_BOND_DEBUG_ALB
 357         else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 358                 arp_h = (struct arp_hdr *)((char *)(eth_h + 1) + offset);
 359                 ipv4_addr_to_dot(arp_h->arp_data.arp_sip, src_ip, MaxIPv4String);
 360                 ipv4_addr_to_dot(arp_h->arp_data.arp_tip, dst_ip, MaxIPv4String);
 361                 arp_op_name(rte_be_to_cpu_16(arp_h->arp_op), ArpOp);
 362                 MODE6_DEBUG(buf, src_ip, dst_ip, eth_h, ArpOp, port, *burstnumber);
 363         }
 364 #endif
 365 }
 366 #endif
 367
 368 static uint16_t
 369 bond_ethdev_rx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 370 {
 371         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
 372         struct bond_dev_private *internals = bd_tx_q->dev_private;
 373         struct ether_hdr *eth_h;
 374         uint16_t ether_type, offset;
 375         uint16_t nb_recv_pkts;
 376         int i;
 377
 378         nb_recv_pkts = bond_ethdev_rx_burst(queue, bufs, nb_pkts);
 379
 380         for (i = 0; i < nb_recv_pkts; i++) {
 381                 eth_h = rte_pktmbuf_mtod(bufs[i], struct ether_hdr *);
 382                 ether_type = eth_h->ether_type;
 383                 offset = get_vlan_offset(eth_h, &ether_type);
 384
 385                 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 386 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 387                         mode6_debug("RX ARP:", eth_h, bufs[i]->port, &burstnumberRX);
 388 #endif
 389                         bond_mode_alb_arp_recv(eth_h, offset, internals);
 390                 }
 391 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 392                 else if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4))
 393                         mode6_debug("RX IPv4:", eth_h, bufs[i]->port, &burstnumberRX);
 394 #endif
 395         }
 396
 397         return nb_recv_pkts;
 398 }
 399
 400 static uint16_t
 401 bond_ethdev_tx_burst_round_robin(void *queue, struct rte_mbuf **bufs,
 402                 uint16_t nb_pkts)
 403 {
 404         struct bond_dev_private *internals;
 405         struct bond_tx_queue *bd_tx_q;
 406
 407         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
 408         uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 409
 410         uint8_t num_of_slaves;
 411         uint8_t slaves[RTE_MAX_ETHPORTS];
 412
 413         uint16_t num_tx_total = 0, num_tx_slave;
 414
 415         static int slave_idx = 0;
 416         int i, cslave_idx = 0, tx_fail_total = 0;
 417
 418         bd_tx_q = (struct bond_tx_queue *)queue;
 419         internals = bd_tx_q->dev_private;
 420
 421         /* Copy slave list to protect against slave up/down changes during tx
 422          * bursting */
 423         num_of_slaves = internals->active_slave_count;
 424         memcpy(slaves, internals->active_slaves,
 425                         sizeof(internals->active_slaves[0]) * num_of_slaves);
 426
 427         if (num_of_slaves < 1)
 428                 return num_tx_total;
 429
 430         /* Populate slaves mbuf with which packets are to be sent on it  */
 431         for (i = 0; i < nb_pkts; i++) {
 432                 cslave_idx = (slave_idx + i) % num_of_slaves;
 433                 slave_bufs[cslave_idx][(slave_nb_pkts[cslave_idx])++] = bufs[i];
 434         }
 435
 436         /* increment current slave index so the next call to tx burst starts on the
 437          * next slave */
 438         slave_idx = ++cslave_idx;
 439
 440         /* Send packet burst on each slave device */
 441         for (i = 0; i < num_of_slaves; i++) {
 442                 if (slave_nb_pkts[i] > 0) {
 443                         num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
 444                                         slave_bufs[i], slave_nb_pkts[i]);
 445
 446                         /* if tx burst fails move packets to end of bufs */
 447                         if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
 448                                 int tx_fail_slave = slave_nb_pkts[i] - num_tx_slave;
 449
 450                                 tx_fail_total += tx_fail_slave;
 451
 452                                 memcpy(&bufs[nb_pkts - tx_fail_total],
 453                                                 &slave_bufs[i][num_tx_slave],
 454                                                 tx_fail_slave * sizeof(bufs[0]));
 455                         }
 456                         num_tx_total += num_tx_slave;
 457                 }
 458         }
 459
 460         return num_tx_total;
 461 }
 462
 463 static uint16_t
 464 bond_ethdev_tx_burst_active_backup(void *queue,
 465                 struct rte_mbuf **bufs, uint16_t nb_pkts)
 466 {
 467         struct bond_dev_private *internals;
 468         struct bond_tx_queue *bd_tx_q;
 469
 470         bd_tx_q = (struct bond_tx_queue *)queue;
 471         internals = bd_tx_q->dev_private;
 472
 473         if (internals->active_slave_count < 1)
 474                 return 0;
 475
 476         return rte_eth_tx_burst(internals->current_primary_port, bd_tx_q->queue_id,
 477                         bufs, nb_pkts);
 478 }
 479
 480 static inline uint16_t
 481 ether_hash(struct ether_hdr *eth_hdr)
 482 {
 483         unaligned_uint16_t *word_src_addr =
 484                 (unaligned_uint16_t *)eth_hdr->s_addr.addr_bytes;
 485         unaligned_uint16_t *word_dst_addr =
 486                 (unaligned_uint16_t *)eth_hdr->d_addr.addr_bytes;
 487
 488         return (word_src_addr[0] ^ word_dst_addr[0]) ^
 489                         (word_src_addr[1] ^ word_dst_addr[1]) ^
 490                         (word_src_addr[2] ^ word_dst_addr[2]);
 491 }
 492
 493 static inline uint32_t
 494 ipv4_hash(struct ipv4_hdr *ipv4_hdr)
 495 {
 496         return ipv4_hdr->src_addr ^ ipv4_hdr->dst_addr;
 497 }
 498
 499 static inline uint32_t
 500 ipv6_hash(struct ipv6_hdr *ipv6_hdr)
 501 {
 502         unaligned_uint32_t *word_src_addr =
 503                 (unaligned_uint32_t *)&(ipv6_hdr->src_addr[0]);
 504         unaligned_uint32_t *word_dst_addr =
 505                 (unaligned_uint32_t *)&(ipv6_hdr->dst_addr[0]);
 506
 507         return (word_src_addr[0] ^ word_dst_addr[0]) ^
 508                         (word_src_addr[1] ^ word_dst_addr[1]) ^
 509                         (word_src_addr[2] ^ word_dst_addr[2]) ^
 510                         (word_src_addr[3] ^ word_dst_addr[3]);
 511 }
 512
 513 uint16_t
 514 xmit_l2_hash(const struct rte_mbuf *buf, uint8_t slave_count)
 515 {
 516         struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
 517
 518         uint32_t hash = ether_hash(eth_hdr);
 519
 520         return (hash ^= hash >> 8) % slave_count;
 521 }
 522
 523 uint16_t
 524 xmit_l23_hash(const struct rte_mbuf *buf, uint8_t slave_count)
 525 {
 526         struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
 527         uint16_t proto = eth_hdr->ether_type;
 528         size_t vlan_offset = get_vlan_offset(eth_hdr, &proto);
 529         uint32_t hash, l3hash = 0;
 530
 531         hash = ether_hash(eth_hdr);
 532
 533         if (rte_cpu_to_be_16(ETHER_TYPE_IPv4) == proto) {
 534                 struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)
 535                                 ((char *)(eth_hdr + 1) + vlan_offset);
 536                 l3hash = ipv4_hash(ipv4_hdr);
 537
 538         } else if (rte_cpu_to_be_16(ETHER_TYPE_IPv6) == proto) {
 539                 struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)
 540                                 ((char *)(eth_hdr + 1) + vlan_offset);
 541                 l3hash = ipv6_hash(ipv6_hdr);
 542         }
 543
 544         hash = hash ^ l3hash;
 545         hash ^= hash >> 16;
 546         hash ^= hash >> 8;
 547
 548         return hash % slave_count;
 549 }
 550
 551 uint16_t
 552 xmit_l34_hash(const struct rte_mbuf *buf, uint8_t slave_count)
 553 {
 554         struct ether_hdr *eth_hdr = rte_pktmbuf_mtod(buf, struct ether_hdr *);
 555         uint16_t proto = eth_hdr->ether_type;
 556         size_t vlan_offset = get_vlan_offset(eth_hdr, &proto);
 557
 558         struct udp_hdr *udp_hdr = NULL;
 559         struct tcp_hdr *tcp_hdr = NULL;
 560         uint32_t hash, l3hash = 0, l4hash = 0;
 561
 562         if (rte_cpu_to_be_16(ETHER_TYPE_IPv4) == proto) {
 563                 struct ipv4_hdr *ipv4_hdr = (struct ipv4_hdr *)
 564                                 ((char *)(eth_hdr + 1) + vlan_offset);
 565                 size_t ip_hdr_offset;
 566
 567                 l3hash = ipv4_hash(ipv4_hdr);
 568
 569                 /* there is no L4 header in fragmented packet */
 570                 if (likely(rte_ipv4_frag_pkt_is_fragmented(ipv4_hdr) == 0)) {
 571                         ip_hdr_offset = (ipv4_hdr->version_ihl & IPV4_HDR_IHL_MASK) *
 572                                         IPV4_IHL_MULTIPLIER;
 573
 574                         if (ipv4_hdr->next_proto_id == IPPROTO_TCP) {
 575                                 tcp_hdr = (struct tcp_hdr *)((char *)ipv4_hdr +
 576                                                 ip_hdr_offset);
 577                                 l4hash = HASH_L4_PORTS(tcp_hdr);
 578                         } else if (ipv4_hdr->next_proto_id == IPPROTO_UDP) {
 579                                 udp_hdr = (struct udp_hdr *)((char *)ipv4_hdr +
 580                                                 ip_hdr_offset);
 581                                 l4hash = HASH_L4_PORTS(udp_hdr);
 582                         }
 583                 }
 584         } else if  (rte_cpu_to_be_16(ETHER_TYPE_IPv6) == proto) {
 585                 struct ipv6_hdr *ipv6_hdr = (struct ipv6_hdr *)
 586                                 ((char *)(eth_hdr + 1) + vlan_offset);
 587                 l3hash = ipv6_hash(ipv6_hdr);
 588
 589                 if (ipv6_hdr->proto == IPPROTO_TCP) {
 590                         tcp_hdr = (struct tcp_hdr *)(ipv6_hdr + 1);
 591                         l4hash = HASH_L4_PORTS(tcp_hdr);
 592                 } else if (ipv6_hdr->proto == IPPROTO_UDP) {
 593                         udp_hdr = (struct udp_hdr *)(ipv6_hdr + 1);
 594                         l4hash = HASH_L4_PORTS(udp_hdr);
 595                 }
 596         }
 597
 598         hash = l3hash ^ l4hash;
 599         hash ^= hash >> 16;
 600         hash ^= hash >> 8;
 601
 602         return hash % slave_count;
 603 }
 604
 605 struct bwg_slave {
 606         uint64_t bwg_left_int;
 607         uint64_t bwg_left_remainder;
 608         uint8_t slave;
 609 };
 610
 611 void
 612 bond_tlb_activate_slave(struct bond_dev_private *internals) {
 613         int i;
 614
 615         for (i = 0; i < internals->active_slave_count; i++) {
 616                 tlb_last_obytets[internals->active_slaves[i]] = 0;
 617         }
 618 }
 619
 620 static int
 621 bandwidth_cmp(const void *a, const void *b)
 622 {
 623         const struct bwg_slave *bwg_a = a;
 624         const struct bwg_slave *bwg_b = b;
 625         int64_t diff = (int64_t)bwg_b->bwg_left_int - (int64_t)bwg_a->bwg_left_int;
 626         int64_t diff2 = (int64_t)bwg_b->bwg_left_remainder -
 627                         (int64_t)bwg_a->bwg_left_remainder;
 628         if (diff > 0)
 629                 return 1;
 630         else if (diff < 0)
 631                 return -1;
 632         else if (diff2 > 0)
 633                 return 1;
 634         else if (diff2 < 0)
 635                 return -1;
 636         else
 637                 return 0;
 638 }
 639
 640 static void
 641 bandwidth_left(uint8_t port_id, uint64_t load, uint8_t update_idx,
 642                 struct bwg_slave *bwg_slave)
 643 {
 644         struct rte_eth_link link_status;
 645
 646         rte_eth_link_get(port_id, &link_status);
 647         uint64_t link_bwg = link_status.link_speed * 1000000ULL / 8;
 648         if (link_bwg == 0)
 649                 return;
 650         link_bwg = link_bwg * (update_idx+1) * REORDER_PERIOD_MS;
 651         bwg_slave->bwg_left_int = (link_bwg - 1000*load) / link_bwg;
 652         bwg_slave->bwg_left_remainder = (link_bwg - 1000*load) % link_bwg;
 653 }
 654
 655 static void
 656 bond_ethdev_update_tlb_slave_cb(void *arg)
 657 {
 658         struct bond_dev_private *internals = arg;
 659         struct rte_eth_stats slave_stats;
 660         struct bwg_slave bwg_array[RTE_MAX_ETHPORTS];
 661         uint8_t slave_count;
 662         uint64_t tx_bytes;
 663
 664         uint8_t update_stats = 0;
 665         uint8_t i, slave_id;
 666
 667         internals->slave_update_idx++;
 668
 669
 670         if (internals->slave_update_idx >= REORDER_PERIOD_MS)
 671                 update_stats = 1;
 672
 673         for (i = 0; i < internals->active_slave_count; i++) {
 674                 slave_id = internals->active_slaves[i];
 675                 rte_eth_stats_get(slave_id, &slave_stats);
 676                 tx_bytes = slave_stats.obytes - tlb_last_obytets[slave_id];
 677                 bandwidth_left(slave_id, tx_bytes,
 678                                 internals->slave_update_idx, &bwg_array[i]);
 679                 bwg_array[i].slave = slave_id;
 680
 681                 if (update_stats) {
 682                         tlb_last_obytets[slave_id] = slave_stats.obytes;
 683                 }
 684         }
 685
 686         if (update_stats == 1)
 687                 internals->slave_update_idx = 0;
 688
 689         slave_count = i;
 690         qsort(bwg_array, slave_count, sizeof(bwg_array[0]), bandwidth_cmp);
 691         for (i = 0; i < slave_count; i++)
 692                 internals->tlb_slaves_order[i] = bwg_array[i].slave;
 693
 694         rte_eal_alarm_set(REORDER_PERIOD_MS * 1000, bond_ethdev_update_tlb_slave_cb,
 695                         (struct bond_dev_private *)internals);
 696 }
 697
 698 static uint16_t
 699 bond_ethdev_tx_burst_tlb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 700 {
 701         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
 702         struct bond_dev_private *internals = bd_tx_q->dev_private;
 703
 704         struct rte_eth_dev *primary_port =
 705                         &rte_eth_devices[internals->primary_port];
 706         uint16_t num_tx_total = 0;
 707         uint8_t i, j;
 708
 709         uint8_t num_of_slaves = internals->active_slave_count;
 710         uint8_t slaves[RTE_MAX_ETHPORTS];
 711
 712         struct ether_hdr *ether_hdr;
 713         struct ether_addr primary_slave_addr;
 714         struct ether_addr active_slave_addr;
 715
 716         if (num_of_slaves < 1)
 717                 return num_tx_total;
 718
 719         memcpy(slaves, internals->tlb_slaves_order,
 720                                 sizeof(internals->tlb_slaves_order[0]) * num_of_slaves);
 721
 722
 723         ether_addr_copy(primary_port->data->mac_addrs, &primary_slave_addr);
 724
 725         if (nb_pkts > 3) {
 726                 for (i = 0; i < 3; i++)
 727                         rte_prefetch0(rte_pktmbuf_mtod(bufs[i], void*));
 728         }
 729
 730         for (i = 0; i < num_of_slaves; i++) {
 731                 rte_eth_macaddr_get(slaves[i], &active_slave_addr);
 732                 for (j = num_tx_total; j < nb_pkts; j++) {
 733                         if (j + 3 < nb_pkts)
 734                                 rte_prefetch0(rte_pktmbuf_mtod(bufs[j+3], void*));
 735
 736                         ether_hdr = rte_pktmbuf_mtod(bufs[j], struct ether_hdr *);
 737                         if (is_same_ether_addr(&ether_hdr->s_addr, &primary_slave_addr))
 738                                 ether_addr_copy(&active_slave_addr, &ether_hdr->s_addr);
 739 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 740                                         mode6_debug("TX IPv4:", ether_hdr, slaves[i], &burstnumberTX);
 741 #endif
 742                 }
 743
 744                 num_tx_total += rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
 745                                 bufs + num_tx_total, nb_pkts - num_tx_total);
 746
 747                 if (num_tx_total == nb_pkts)
 748                         break;
 749         }
 750
 751         return num_tx_total;
 752 }
 753
 754 void
 755 bond_tlb_disable(struct bond_dev_private *internals)
 756 {
 757         rte_eal_alarm_cancel(bond_ethdev_update_tlb_slave_cb, internals);
 758 }
 759
 760 void
 761 bond_tlb_enable(struct bond_dev_private *internals)
 762 {
 763         bond_ethdev_update_tlb_slave_cb(internals);
 764 }
 765
 766 static uint16_t
 767 bond_ethdev_tx_burst_alb(void *queue, struct rte_mbuf **bufs, uint16_t nb_pkts)
 768 {
 769         struct bond_tx_queue *bd_tx_q = (struct bond_tx_queue *)queue;
 770         struct bond_dev_private *internals = bd_tx_q->dev_private;
 771
 772         struct ether_hdr *eth_h;
 773         uint16_t ether_type, offset;
 774
 775         struct client_data *client_info;
 776
 777         /*
 778          * We create transmit buffers for every slave and one additional to send
 779          * through tlb. In worst case every packet will be send on one port.
 780          */
 781         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS + 1][nb_pkts];
 782         uint16_t slave_bufs_pkts[RTE_MAX_ETHPORTS + 1] = { 0 };
 783
 784         /*
 785          * We create separate transmit buffers for update packets as they wont be
 786          * counted in num_tx_total.
 787          */
 788         struct rte_mbuf *update_bufs[RTE_MAX_ETHPORTS][ALB_HASH_TABLE_SIZE];
 789         uint16_t update_bufs_pkts[RTE_MAX_ETHPORTS] = { 0 };
 790
 791         struct rte_mbuf *upd_pkt;
 792         size_t pkt_size;
 793
 794         uint16_t num_send, num_not_send = 0;
 795         uint16_t num_tx_total = 0;
 796         uint8_t slave_idx;
 797
 798         int i, j;
 799
 800         /* Search tx buffer for ARP packets and forward them to alb */
 801         for (i = 0; i < nb_pkts; i++) {
 802                 eth_h = rte_pktmbuf_mtod(bufs[i], struct ether_hdr *);
 803                 ether_type = eth_h->ether_type;
 804                 offset = get_vlan_offset(eth_h, &ether_type);
 805
 806                 if (ether_type == rte_cpu_to_be_16(ETHER_TYPE_ARP)) {
 807                         slave_idx = bond_mode_alb_arp_xmit(eth_h, offset, internals);
 808
 809                         /* Change src mac in eth header */
 810                         rte_eth_macaddr_get(slave_idx, &eth_h->s_addr);
 811
 812                         /* Add packet to slave tx buffer */
 813                         slave_bufs[slave_idx][slave_bufs_pkts[slave_idx]] = bufs[i];
 814                         slave_bufs_pkts[slave_idx]++;
 815                 } else {
 816                         /* If packet is not ARP, send it with TLB policy */
 817                         slave_bufs[RTE_MAX_ETHPORTS][slave_bufs_pkts[RTE_MAX_ETHPORTS]] =
 818                                         bufs[i];
 819                         slave_bufs_pkts[RTE_MAX_ETHPORTS]++;
 820                 }
 821         }
 822
 823         /* Update connected client ARP tables */
 824         if (internals->mode6.ntt) {
 825                 for (i = 0; i < ALB_HASH_TABLE_SIZE; i++) {
 826                         client_info = &internals->mode6.client_table[i];
 827
 828                         if (client_info->in_use) {
 829                                 /* Allocate new packet to send ARP update on current slave */
 830                                 upd_pkt = rte_pktmbuf_alloc(internals->mode6.mempool);
 831                                 if (upd_pkt == NULL) {
 832                                         RTE_LOG(ERR, PMD, "Failed to allocate ARP packet from pool\n");
 833                                         continue;
 834                                 }
 835                                 pkt_size = sizeof(struct ether_hdr) + sizeof(struct arp_hdr)
 836                                                 + client_info->vlan_count * sizeof(struct vlan_hdr);
 837                                 upd_pkt->data_len = pkt_size;
 838                                 upd_pkt->pkt_len = pkt_size;
 839
 840                                 slave_idx = bond_mode_alb_arp_upd(client_info, upd_pkt,
 841                                                 internals);
 842
 843                                 /* Add packet to update tx buffer */
 844                                 update_bufs[slave_idx][update_bufs_pkts[slave_idx]] = upd_pkt;
 845                                 update_bufs_pkts[slave_idx]++;
 846                         }
 847                 }
 848                 internals->mode6.ntt = 0;
 849         }
 850
 851         /* Send ARP packets on proper slaves */
 852         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 853                 if (slave_bufs_pkts[i] > 0) {
 854                         num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id,
 855                                         slave_bufs[i], slave_bufs_pkts[i]);
 856                         for (j = 0; j < slave_bufs_pkts[i] - num_send; j++) {
 857                                 bufs[nb_pkts - 1 - num_not_send - j] =
 858                                                 slave_bufs[i][nb_pkts - 1 - j];
 859                         }
 860
 861                         num_tx_total += num_send;
 862                         num_not_send += slave_bufs_pkts[i] - num_send;
 863
 864 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 865         /* Print TX stats including update packets */
 866                         for (j = 0; j < slave_bufs_pkts[i]; j++) {
 867                                 eth_h = rte_pktmbuf_mtod(slave_bufs[i][j], struct ether_hdr *);
 868                                 mode6_debug("TX ARP:", eth_h, i, &burstnumberTX);
 869                         }
 870 #endif
 871                 }
 872         }
 873
 874         /* Send update packets on proper slaves */
 875         for (i = 0; i < RTE_MAX_ETHPORTS; i++) {
 876                 if (update_bufs_pkts[i] > 0) {
 877                         num_send = rte_eth_tx_burst(i, bd_tx_q->queue_id, update_bufs[i],
 878                                         update_bufs_pkts[i]);
 879                         for (j = num_send; j < update_bufs_pkts[i]; j++) {
 880                                 rte_pktmbuf_free(update_bufs[i][j]);
 881                         }
 882 #if defined(RTE_LIBRTE_BOND_DEBUG_ALB) || defined(RTE_LIBRTE_BOND_DEBUG_ALB_L1)
 883                         for (j = 0; j < update_bufs_pkts[i]; j++) {
 884                                 eth_h = rte_pktmbuf_mtod(update_bufs[i][j], struct ether_hdr *);
 885                                 mode6_debug("TX ARPupd:", eth_h, i, &burstnumberTX);
 886                         }
 887 #endif
 888                 }
 889         }
 890
 891         /* Send non-ARP packets using tlb policy */
 892         if (slave_bufs_pkts[RTE_MAX_ETHPORTS] > 0) {
 893                 num_send = bond_ethdev_tx_burst_tlb(queue,
 894                                 slave_bufs[RTE_MAX_ETHPORTS],
 895                                 slave_bufs_pkts[RTE_MAX_ETHPORTS]);
 896
 897                 for (j = 0; j < slave_bufs_pkts[RTE_MAX_ETHPORTS]; j++) {
 898                         bufs[nb_pkts - 1 - num_not_send - j] =
 899                                         slave_bufs[RTE_MAX_ETHPORTS][nb_pkts - 1 - j];
 900                 }
 901
 902                 num_tx_total += num_send;
 903                 num_not_send += slave_bufs_pkts[RTE_MAX_ETHPORTS] - num_send;
 904         }
 905
 906         return num_tx_total;
 907 }
 908
 909 static uint16_t
 910 bond_ethdev_tx_burst_balance(void *queue, struct rte_mbuf **bufs,
 911                 uint16_t nb_pkts)
 912 {
 913         struct bond_dev_private *internals;
 914         struct bond_tx_queue *bd_tx_q;
 915
 916         uint8_t num_of_slaves;
 917         uint8_t slaves[RTE_MAX_ETHPORTS];
 918
 919         uint16_t num_tx_total = 0, num_tx_slave = 0, tx_fail_total = 0;
 920
 921         int i, op_slave_id;
 922
 923         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][nb_pkts];
 924         uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 925
 926         bd_tx_q = (struct bond_tx_queue *)queue;
 927         internals = bd_tx_q->dev_private;
 928
 929         /* Copy slave list to protect against slave up/down changes during tx
 930          * bursting */
 931         num_of_slaves = internals->active_slave_count;
 932         memcpy(slaves, internals->active_slaves,
 933                         sizeof(internals->active_slaves[0]) * num_of_slaves);
 934
 935         if (num_of_slaves < 1)
 936                 return num_tx_total;
 937
 938         /* Populate slaves mbuf with the packets which are to be sent on it  */
 939         for (i = 0; i < nb_pkts; i++) {
 940                 /* Select output slave using hash based on xmit policy */
 941                 op_slave_id = internals->xmit_hash(bufs[i], num_of_slaves);
 942
 943                 /* Populate slave mbuf arrays with mbufs for that slave */
 944                 slave_bufs[op_slave_id][slave_nb_pkts[op_slave_id]++] = bufs[i];
 945         }
 946
 947         /* Send packet burst on each slave device */
 948         for (i = 0; i < num_of_slaves; i++) {
 949                 if (slave_nb_pkts[i] > 0) {
 950                         num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
 951                                         slave_bufs[i], slave_nb_pkts[i]);
 952
 953                         /* if tx burst fails move packets to end of bufs */
 954                         if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
 955                                 int slave_tx_fail_count = slave_nb_pkts[i] - num_tx_slave;
 956
 957                                 tx_fail_total += slave_tx_fail_count;
 958                                 memcpy(&bufs[nb_pkts - tx_fail_total],
 959                                                 &slave_bufs[i][num_tx_slave],
 960                                                 slave_tx_fail_count * sizeof(bufs[0]));
 961                         }
 962
 963                         num_tx_total += num_tx_slave;
 964                 }
 965         }
 966
 967         return num_tx_total;
 968 }
 969
 970 static uint16_t
 971 bond_ethdev_tx_burst_8023ad(void *queue, struct rte_mbuf **bufs,
 972                 uint16_t nb_pkts)
 973 {
 974         struct bond_dev_private *internals;
 975         struct bond_tx_queue *bd_tx_q;
 976
 977         uint8_t num_of_slaves;
 978         uint8_t slaves[RTE_MAX_ETHPORTS];
 979          /* positions in slaves, not ID */
 980         uint8_t distributing_offsets[RTE_MAX_ETHPORTS];
 981         uint8_t distributing_count;
 982
 983         uint16_t num_tx_slave, num_tx_total = 0, num_tx_fail_total = 0;
 984         uint16_t i, j, op_slave_idx;
 985         const uint16_t buffs_size = nb_pkts + BOND_MODE_8023AX_SLAVE_TX_PKTS + 1;
 986
 987         /* Allocate additional packets in case 8023AD mode. */
 988         struct rte_mbuf *slave_bufs[RTE_MAX_ETHPORTS][buffs_size];
 989         void *slow_pkts[BOND_MODE_8023AX_SLAVE_TX_PKTS] = { NULL };
 990
 991         /* Total amount of packets in slave_bufs */
 992         uint16_t slave_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 993         /* Slow packets placed in each slave */
 994         uint8_t slave_slow_nb_pkts[RTE_MAX_ETHPORTS] = { 0 };
 995
 996         bd_tx_q = (struct bond_tx_queue *)queue;
 997         internals = bd_tx_q->dev_private;
 998
 999         /* Copy slave list to protect against slave up/down changes during tx
1000          * bursting */
1001         num_of_slaves = internals->active_slave_count;
1002         if (num_of_slaves < 1)
1003                 return num_tx_total;
1004
1005         memcpy(slaves, internals->active_slaves, sizeof(slaves[0]) * num_of_slaves);
1006
1007         distributing_count = 0;
1008         for (i = 0; i < num_of_slaves; i++) {
1009                 struct port *port = &mode_8023ad_ports[slaves[i]];
1010
1011                 slave_slow_nb_pkts[i] = rte_ring_dequeue_burst(port->tx_ring,
1012                                 slow_pkts, BOND_MODE_8023AX_SLAVE_TX_PKTS);
1013                 slave_nb_pkts[i] = slave_slow_nb_pkts[i];
1014
1015                 for (j = 0; j < slave_slow_nb_pkts[i]; j++)
1016                         slave_bufs[i][j] = slow_pkts[j];
1017
1018                 if (ACTOR_STATE(port, DISTRIBUTING))
1019                         distributing_offsets[distributing_count++] = i;
1020         }
1021
1022         if (likely(distributing_count > 0)) {
1023                 /* Populate slaves mbuf with the packets which are to be sent on it */
1024                 for (i = 0; i < nb_pkts; i++) {
1025                         /* Select output slave using hash based on xmit policy */
1026                         op_slave_idx = internals->xmit_hash(bufs[i], distributing_count);
1027
1028                         /* Populate slave mbuf arrays with mbufs for that slave. Use only
1029                          * slaves that are currently distributing. */
1030                         uint8_t slave_offset = distributing_offsets[op_slave_idx];
1031                         slave_bufs[slave_offset][slave_nb_pkts[slave_offset]] = bufs[i];
1032                         slave_nb_pkts[slave_offset]++;
1033                 }
1034         }
1035
1036         /* Send packet burst on each slave device */
1037         for (i = 0; i < num_of_slaves; i++) {
1038                 if (slave_nb_pkts[i] == 0)
1039                         continue;
1040
1041                 num_tx_slave = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
1042                                 slave_bufs[i], slave_nb_pkts[i]);
1043
1044                 /* If tx burst fails drop slow packets */
1045                 for ( ; num_tx_slave < slave_slow_nb_pkts[i]; num_tx_slave++)
1046                         rte_pktmbuf_free(slave_bufs[i][num_tx_slave]);
1047
1048                 num_tx_total += num_tx_slave - slave_slow_nb_pkts[i];
1049                 num_tx_fail_total += slave_nb_pkts[i] - num_tx_slave;
1050
1051                 /* If tx burst fails move packets to end of bufs */
1052                 if (unlikely(num_tx_slave < slave_nb_pkts[i])) {
1053                         uint16_t j = nb_pkts - num_tx_fail_total;
1054                         for ( ; num_tx_slave < slave_nb_pkts[i]; j++, num_tx_slave++)
1055                                 bufs[j] = slave_bufs[i][num_tx_slave];
1056                 }
1057         }
1058
1059         return num_tx_total;
1060 }
1061
1062 static uint16_t
1063 bond_ethdev_tx_burst_broadcast(void *queue, struct rte_mbuf **bufs,
1064                 uint16_t nb_pkts)
1065 {
1066         struct bond_dev_private *internals;
1067         struct bond_tx_queue *bd_tx_q;
1068
1069         uint8_t tx_failed_flag = 0, num_of_slaves;
1070         uint8_t slaves[RTE_MAX_ETHPORTS];
1071
1072         uint16_t max_nb_of_tx_pkts = 0;
1073
1074         int slave_tx_total[RTE_MAX_ETHPORTS];
1075         int i, most_successful_tx_slave = -1;
1076
1077         bd_tx_q = (struct bond_tx_queue *)queue;
1078         internals = bd_tx_q->dev_private;
1079
1080         /* Copy slave list to protect against slave up/down changes during tx
1081          * bursting */
1082         num_of_slaves = internals->active_slave_count;
1083         memcpy(slaves, internals->active_slaves,
1084                         sizeof(internals->active_slaves[0]) * num_of_slaves);
1085
1086         if (num_of_slaves < 1)
1087                 return 0;
1088
1089         /* Increment reference count on mbufs */
1090         for (i = 0; i < nb_pkts; i++)
1091                 rte_mbuf_refcnt_update(bufs[i], num_of_slaves - 1);
1092
1093         /* Transmit burst on each active slave */
1094         for (i = 0; i < num_of_slaves; i++) {
1095                 slave_tx_total[i] = rte_eth_tx_burst(slaves[i], bd_tx_q->queue_id,
1096                                         bufs, nb_pkts);
1097
1098                 if (unlikely(slave_tx_total[i] < nb_pkts))
1099                         tx_failed_flag = 1;
1100
1101                 /* record the value and slave index for the slave which transmits the
1102                  * maximum number of packets */
1103                 if (slave_tx_total[i] > max_nb_of_tx_pkts) {
1104                         max_nb_of_tx_pkts = slave_tx_total[i];
1105                         most_successful_tx_slave = i;
1106                 }
1107         }
1108
1109         /* if slaves fail to transmit packets from burst, the calling application
1110          * is not expected to know about multiple references to packets so we must
1111          * handle failures of all packets except those of the most successful slave
1112          */
1113         if (unlikely(tx_failed_flag))
1114                 for (i = 0; i < num_of_slaves; i++)
1115                         if (i != most_successful_tx_slave)
1116                                 while (slave_tx_total[i] < nb_pkts)
1117                                         rte_pktmbuf_free(bufs[slave_tx_total[i]++]);
1118
1119         return max_nb_of_tx_pkts;
1120 }
1121
1122 void
1123 link_properties_set(struct rte_eth_dev *bonded_eth_dev,
1124                 struct rte_eth_link *slave_dev_link)
1125 {
1126         struct rte_eth_link *bonded_dev_link = &bonded_eth_dev->data->dev_link;
1127         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1128
1129         if (slave_dev_link->link_status &&
1130                 bonded_eth_dev->data->dev_started) {
1131                 bonded_dev_link->link_duplex = slave_dev_link->link_duplex;
1132                 bonded_dev_link->link_speed = slave_dev_link->link_speed;
1133
1134                 internals->link_props_set = 1;
1135         }
1136 }
1137
1138 void
1139 link_properties_reset(struct rte_eth_dev *bonded_eth_dev)
1140 {
1141         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1142
1143         memset(&(bonded_eth_dev->data->dev_link), 0,
1144                         sizeof(bonded_eth_dev->data->dev_link));
1145
1146         internals->link_props_set = 0;
1147 }
1148
1149 int
1150 link_properties_valid(struct rte_eth_link *bonded_dev_link,
1151                 struct rte_eth_link *slave_dev_link)
1152 {
1153         if (bonded_dev_link->link_duplex != slave_dev_link->link_duplex ||
1154                 bonded_dev_link->link_speed !=  slave_dev_link->link_speed)
1155                 return -1;
1156
1157         return 0;
1158 }
1159
1160 int
1161 mac_address_get(struct rte_eth_dev *eth_dev, struct ether_addr *dst_mac_addr)
1162 {
1163         struct ether_addr *mac_addr;
1164
1165         if (eth_dev == NULL) {
1166                 RTE_LOG(ERR, PMD, "%s: NULL pointer eth_dev specified\n", __func__);
1167                 return -1;
1168         }
1169
1170         if (dst_mac_addr == NULL) {
1171                 RTE_LOG(ERR, PMD, "%s: NULL pointer MAC specified\n", __func__);
1172                 return -1;
1173         }
1174
1175         mac_addr = eth_dev->data->mac_addrs;
1176
1177         ether_addr_copy(mac_addr, dst_mac_addr);
1178         return 0;
1179 }
1180
1181 int
1182 mac_address_set(struct rte_eth_dev *eth_dev, struct ether_addr *new_mac_addr)
1183 {
1184         struct ether_addr *mac_addr;
1185
1186         if (eth_dev == NULL) {
1187                 RTE_BOND_LOG(ERR, "NULL pointer eth_dev specified");
1188                 return -1;
1189         }
1190
1191         if (new_mac_addr == NULL) {
1192                 RTE_BOND_LOG(ERR, "NULL pointer MAC specified");
1193                 return -1;
1194         }
1195
1196         mac_addr = eth_dev->data->mac_addrs;
1197
1198         /* If new MAC is different to current MAC then update */
1199         if (memcmp(mac_addr, new_mac_addr, sizeof(*mac_addr)) != 0)
1200                 memcpy(mac_addr, new_mac_addr, sizeof(*mac_addr));
1201
1202         return 0;
1203 }
1204
1205 int
1206 mac_address_slaves_update(struct rte_eth_dev *bonded_eth_dev)
1207 {
1208         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1209         int i;
1210
1211         /* Update slave devices MAC addresses */
1212         if (internals->slave_count < 1)
1213                 return -1;
1214
1215         switch (internals->mode) {
1216         case BONDING_MODE_ROUND_ROBIN:
1217         case BONDING_MODE_BALANCE:
1218         case BONDING_MODE_BROADCAST:
1219                 for (i = 0; i < internals->slave_count; i++) {
1220                         if (mac_address_set(&rte_eth_devices[internals->slaves[i].port_id],
1221                                         bonded_eth_dev->data->mac_addrs)) {
1222                                 RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1223                                                 internals->slaves[i].port_id);
1224                                 return -1;
1225                         }
1226                 }
1227                 break;
1228         case BONDING_MODE_8023AD:
1229                 bond_mode_8023ad_mac_address_update(bonded_eth_dev);
1230                 break;
1231         case BONDING_MODE_ACTIVE_BACKUP:
1232         case BONDING_MODE_TLB:
1233         case BONDING_MODE_ALB:
1234         default:
1235                 for (i = 0; i < internals->slave_count; i++) {
1236                         if (internals->slaves[i].port_id ==
1237                                         internals->current_primary_port) {
1238                                 if (mac_address_set(&rte_eth_devices[internals->primary_port],
1239                                                 bonded_eth_dev->data->mac_addrs)) {
1240                                         RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1241                                                         internals->current_primary_port);
1242                                         return -1;
1243                                 }
1244                         } else {
1245                                 if (mac_address_set(
1246                                                 &rte_eth_devices[internals->slaves[i].port_id],
1247                                                 &internals->slaves[i].persisted_mac_addr)) {
1248                                         RTE_BOND_LOG(ERR, "Failed to update port Id %d MAC address",
1249                                                         internals->slaves[i].port_id);
1250                                         return -1;
1251                                 }
1252                         }
1253                 }
1254         }
1255
1256         return 0;
1257 }
1258
1259 int
1260 bond_ethdev_mode_set(struct rte_eth_dev *eth_dev, int mode)
1261 {
1262         struct bond_dev_private *internals;
1263
1264         internals = eth_dev->data->dev_private;
1265
1266         switch (mode) {
1267         case BONDING_MODE_ROUND_ROBIN:
1268                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_round_robin;
1269                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1270                 break;
1271         case BONDING_MODE_ACTIVE_BACKUP:
1272                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_active_backup;
1273                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
1274                 break;
1275         case BONDING_MODE_BALANCE:
1276                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_balance;
1277                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1278                 break;
1279         case BONDING_MODE_BROADCAST:
1280                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_broadcast;
1281                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst;
1282                 break;
1283         case BONDING_MODE_8023AD:
1284                 if (bond_mode_8023ad_enable(eth_dev) != 0)
1285                         return -1;
1286
1287                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_8023ad;
1288                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_8023ad;
1289                 RTE_LOG(WARNING, PMD,
1290                                 "Using mode 4, it is necessary to do TX burst and RX burst "
1291                                 "at least every 100ms.\n");
1292                 break;
1293         case BONDING_MODE_TLB:
1294                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_tlb;
1295                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_active_backup;
1296                 break;
1297         case BONDING_MODE_ALB:
1298                 if (bond_mode_alb_enable(eth_dev) != 0)
1299                         return -1;
1300
1301                 eth_dev->tx_pkt_burst = bond_ethdev_tx_burst_alb;
1302                 eth_dev->rx_pkt_burst = bond_ethdev_rx_burst_alb;
1303                 break;
1304         default:
1305                 return -1;
1306         }
1307
1308         internals->mode = mode;
1309
1310         return 0;
1311 }
1312
1313 int
1314 slave_configure(struct rte_eth_dev *bonded_eth_dev,
1315                 struct rte_eth_dev *slave_eth_dev)
1316 {
1317         struct bond_rx_queue *bd_rx_q;
1318         struct bond_tx_queue *bd_tx_q;
1319
1320         uint16_t old_nb_tx_queues = slave_eth_dev->data->nb_tx_queues;
1321         uint16_t old_nb_rx_queues = slave_eth_dev->data->nb_rx_queues;
1322         int errval;
1323         uint16_t q_id;
1324
1325         /* Stop slave */
1326         rte_eth_dev_stop(slave_eth_dev->data->port_id);
1327
1328         /* Enable interrupts on slave device if supported */
1329         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
1330                 slave_eth_dev->data->dev_conf.intr_conf.lsc = 1;
1331
1332         /* If RSS is enabled for bonding, try to enable it for slaves  */
1333         if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
1334                 if (bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len
1335                                 != 0) {
1336                         slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len =
1337                                         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len;
1338                         slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key =
1339                                         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key;
1340                 } else {
1341                         slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
1342                 }
1343
1344                 slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1345                                 bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
1346                 slave_eth_dev->data->dev_conf.rxmode.mq_mode =
1347                                 bonded_eth_dev->data->dev_conf.rxmode.mq_mode;
1348         }
1349
1350         slave_eth_dev->data->dev_conf.rxmode.hw_vlan_filter =
1351                         bonded_eth_dev->data->dev_conf.rxmode.hw_vlan_filter;
1352
1353         /* Configure device */
1354         errval = rte_eth_dev_configure(slave_eth_dev->data->port_id,
1355                         bonded_eth_dev->data->nb_rx_queues,
1356                         bonded_eth_dev->data->nb_tx_queues,
1357                         &(slave_eth_dev->data->dev_conf));
1358         if (errval != 0) {
1359                 RTE_BOND_LOG(ERR, "Cannot configure slave device: port %u , err (%d)",
1360                                 slave_eth_dev->data->port_id, errval);
1361                 return errval;
1362         }
1363
1364         /* Setup Rx Queues */
1365         /* Use existing queues, if any */
1366         for (q_id = old_nb_rx_queues;
1367              q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
1368                 bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
1369
1370                 errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
1371                                 bd_rx_q->nb_rx_desc,
1372                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1373                                 &(bd_rx_q->rx_conf), bd_rx_q->mb_pool);
1374                 if (errval != 0) {
1375                         RTE_BOND_LOG(ERR,
1376                                         "rte_eth_rx_queue_setup: port=%d queue_id %d, err (%d)",
1377                                         slave_eth_dev->data->port_id, q_id, errval);
1378                         return errval;
1379                 }
1380         }
1381
1382         /* Setup Tx Queues */
1383         /* Use existing queues, if any */
1384         for (q_id = old_nb_tx_queues;
1385              q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
1386                 bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
1387
1388                 errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
1389                                 bd_tx_q->nb_tx_desc,
1390                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1391                                 &bd_tx_q->tx_conf);
1392                 if (errval != 0) {
1393                         RTE_BOND_LOG(ERR,
1394                                         "rte_eth_tx_queue_setup: port=%d queue_id %d, err (%d)",
1395                                         slave_eth_dev->data->port_id, q_id, errval);
1396                         return errval;
1397                 }
1398         }
1399
1400         /* Start device */
1401         errval = rte_eth_dev_start(slave_eth_dev->data->port_id);
1402         if (errval != 0) {
1403                 RTE_BOND_LOG(ERR, "rte_eth_dev_start: port=%u, err (%d)",
1404                                 slave_eth_dev->data->port_id, errval);
1405                 return -1;
1406         }
1407
1408         /* If RSS is enabled for bonding, synchronize RETA */
1409         if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS) {
1410                 int i;
1411                 struct bond_dev_private *internals;
1412
1413                 internals = bonded_eth_dev->data->dev_private;
1414
1415                 for (i = 0; i < internals->slave_count; i++) {
1416                         if (internals->slaves[i].port_id == slave_eth_dev->data->port_id) {
1417                                 errval = rte_eth_dev_rss_reta_update(
1418                                                 slave_eth_dev->data->port_id,
1419                                                 &internals->reta_conf[0],
1420                                                 internals->slaves[i].reta_size);
1421                                 if (errval != 0) {
1422                                         RTE_LOG(WARNING, PMD,
1423                                                         "rte_eth_dev_rss_reta_update on slave port %d fails (err %d)."
1424                                                         " RSS Configuration for bonding may be inconsistent.\n",
1425                                                         slave_eth_dev->data->port_id, errval);
1426                                 }
1427                                 break;
1428                         }
1429                 }
1430         }
1431
1432         /* If lsc interrupt is set, check initial slave's link status */
1433         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
1434                 bond_ethdev_lsc_event_callback(slave_eth_dev->data->port_id,
1435                         RTE_ETH_EVENT_INTR_LSC, &bonded_eth_dev->data->port_id);
1436
1437         return 0;
1438 }
1439
1440 void
1441 slave_remove(struct bond_dev_private *internals,
1442                 struct rte_eth_dev *slave_eth_dev)
1443 {
1444         uint8_t i;
1445
1446         for (i = 0; i < internals->slave_count; i++)
1447                 if (internals->slaves[i].port_id ==
1448                                 slave_eth_dev->data->port_id)
1449                         break;
1450
1451         if (i < (internals->slave_count - 1))
1452                 memmove(&internals->slaves[i], &internals->slaves[i + 1],
1453                                 sizeof(internals->slaves[0]) *
1454                                 (internals->slave_count - i - 1));
1455
1456         internals->slave_count--;
1457 }
1458
1459 static void
1460 bond_ethdev_slave_link_status_change_monitor(void *cb_arg);
1461
1462 void
1463 slave_add(struct bond_dev_private *internals,
1464                 struct rte_eth_dev *slave_eth_dev)
1465 {
1466         struct bond_slave_details *slave_details =
1467                         &internals->slaves[internals->slave_count];
1468
1469         slave_details->port_id = slave_eth_dev->data->port_id;
1470         slave_details->last_link_status = 0;
1471
1472         /* Mark slave devices that don't support interrupts so we can
1473          * compensate when we start the bond
1474          */
1475         if (!(slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)) {
1476                 slave_details->link_status_poll_enabled = 1;
1477         }
1478
1479         slave_details->link_status_wait_to_complete = 0;
1480         /* clean tlb_last_obytes when adding port for bonding device */
1481         memcpy(&(slave_details->persisted_mac_addr), slave_eth_dev->data->mac_addrs,
1482                         sizeof(struct ether_addr));
1483 }
1484
1485 void
1486 bond_ethdev_primary_set(struct bond_dev_private *internals,
1487                 uint8_t slave_port_id)
1488 {
1489         int i;
1490
1491         if (internals->active_slave_count < 1)
1492                 internals->current_primary_port = slave_port_id;
1493         else
1494                 /* Search bonded device slave ports for new proposed primary port */
1495                 for (i = 0; i < internals->active_slave_count; i++) {
1496                         if (internals->active_slaves[i] == slave_port_id)
1497                                 internals->current_primary_port = slave_port_id;
1498                 }
1499 }
1500
1501 static void
1502 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev);
1503
1504 static int
1505 bond_ethdev_start(struct rte_eth_dev *eth_dev)
1506 {
1507         struct bond_dev_private *internals;
1508         int i;
1509
1510         /* slave eth dev will be started by bonded device */
1511         if (check_for_bonded_ethdev(eth_dev)) {
1512                 RTE_BOND_LOG(ERR, "User tried to explicitly start a slave eth_dev (%d)",
1513                                 eth_dev->data->port_id);
1514                 return -1;
1515         }
1516
1517         eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
1518         eth_dev->data->dev_started = 1;
1519
1520         internals = eth_dev->data->dev_private;
1521
1522         if (internals->slave_count == 0) {
1523                 RTE_BOND_LOG(ERR, "Cannot start port since there are no slave devices");
1524                 return -1;
1525         }
1526
1527         if (internals->user_defined_mac == 0) {
1528                 struct ether_addr *new_mac_addr = NULL;
1529
1530                 for (i = 0; i < internals->slave_count; i++)
1531                         if (internals->slaves[i].port_id == internals->primary_port)
1532                                 new_mac_addr = &internals->slaves[i].persisted_mac_addr;
1533
1534                 if (new_mac_addr == NULL)
1535                         return -1;
1536
1537                 if (mac_address_set(eth_dev, new_mac_addr) != 0) {
1538                         RTE_BOND_LOG(ERR, "bonded port (%d) failed to update MAC address",
1539                                         eth_dev->data->port_id);
1540                         return -1;
1541                 }
1542         }
1543
1544         /* Update all slave devices MACs*/
1545         if (mac_address_slaves_update(eth_dev) != 0)
1546                 return -1;
1547
1548         /* If bonded device is configure in promiscuous mode then re-apply config */
1549         if (internals->promiscuous_en)
1550                 bond_ethdev_promiscuous_enable(eth_dev);
1551
1552         /* Reconfigure each slave device if starting bonded device */
1553         for (i = 0; i < internals->slave_count; i++) {
1554                 if (slave_configure(eth_dev,
1555                                 &(rte_eth_devices[internals->slaves[i].port_id])) != 0) {
1556                         RTE_BOND_LOG(ERR,
1557                                         "bonded port (%d) failed to reconfigure slave device (%d)",
1558                                         eth_dev->data->port_id, internals->slaves[i].port_id);
1559                         return -1;
1560                 }
1561                 /* We will need to poll for link status if any slave doesn't
1562                  * support interrupts
1563                  */
1564                 if (internals->slaves[i].link_status_poll_enabled)
1565                         internals->link_status_polling_enabled = 1;
1566         }
1567         /* start polling if needed */
1568         if (internals->link_status_polling_enabled) {
1569                 rte_eal_alarm_set(
1570                         internals->link_status_polling_interval_ms * 1000,
1571                         bond_ethdev_slave_link_status_change_monitor,
1572                         (void *)&rte_eth_devices[internals->port_id]);
1573         }
1574
1575         if (internals->user_defined_primary_port)
1576                 bond_ethdev_primary_set(internals, internals->primary_port);
1577
1578         if (internals->mode == BONDING_MODE_8023AD)
1579                 bond_mode_8023ad_start(eth_dev);
1580
1581         if (internals->mode == BONDING_MODE_TLB ||
1582                         internals->mode == BONDING_MODE_ALB)
1583                 bond_tlb_enable(internals);
1584
1585         return 0;
1586 }
1587
1588 static void
1589 bond_ethdev_free_queues(struct rte_eth_dev *dev)
1590 {
1591         uint8_t i;
1592
1593         if (dev->data->rx_queues != NULL) {
1594                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
1595                         rte_free(dev->data->rx_queues[i]);
1596                         dev->data->rx_queues[i] = NULL;
1597                 }
1598                 dev->data->nb_rx_queues = 0;
1599         }
1600
1601         if (dev->data->tx_queues != NULL) {
1602                 for (i = 0; i < dev->data->nb_tx_queues; i++) {
1603                         rte_free(dev->data->tx_queues[i]);
1604                         dev->data->tx_queues[i] = NULL;
1605                 }
1606                 dev->data->nb_tx_queues = 0;
1607         }
1608 }
1609
1610 void
1611 bond_ethdev_stop(struct rte_eth_dev *eth_dev)
1612 {
1613         struct bond_dev_private *internals = eth_dev->data->dev_private;
1614         uint8_t i;
1615
1616         if (internals->mode == BONDING_MODE_8023AD) {
1617                 struct port *port;
1618                 void *pkt = NULL;
1619
1620                 bond_mode_8023ad_stop(eth_dev);
1621
1622                 /* Discard all messages to/from mode 4 state machines */
1623                 for (i = 0; i < internals->active_slave_count; i++) {
1624                         port = &mode_8023ad_ports[internals->active_slaves[i]];
1625
1626                         RTE_ASSERT(port->rx_ring != NULL);
1627                         while (rte_ring_dequeue(port->rx_ring, &pkt) != -ENOENT)
1628                                 rte_pktmbuf_free(pkt);
1629
1630                         RTE_ASSERT(port->tx_ring != NULL);
1631                         while (rte_ring_dequeue(port->tx_ring, &pkt) != -ENOENT)
1632                                 rte_pktmbuf_free(pkt);
1633                 }
1634         }
1635
1636         if (internals->mode == BONDING_MODE_TLB ||
1637                         internals->mode == BONDING_MODE_ALB) {
1638                 bond_tlb_disable(internals);
1639                 for (i = 0; i < internals->active_slave_count; i++)
1640                         tlb_last_obytets[internals->active_slaves[i]] = 0;
1641         }
1642
1643         internals->active_slave_count = 0;
1644         internals->link_status_polling_enabled = 0;
1645         for (i = 0; i < internals->slave_count; i++)
1646                 internals->slaves[i].last_link_status = 0;
1647
1648         eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
1649         eth_dev->data->dev_started = 0;
1650 }
1651
1652 void
1653 bond_ethdev_close(struct rte_eth_dev *dev)
1654 {
1655         struct bond_dev_private *internals = dev->data->dev_private;
1656
1657         bond_ethdev_free_queues(dev);
1658         rte_bitmap_reset(internals->vlan_filter_bmp);
1659 }
1660
1661 /* forward declaration */
1662 static int bond_ethdev_configure(struct rte_eth_dev *dev);
1663
1664 static void
1665 bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
1666 {
1667         struct bond_dev_private *internals = dev->data->dev_private;
1668
1669         dev_info->max_mac_addrs = 1;
1670
1671         dev_info->max_rx_pktlen = internals->candidate_max_rx_pktlen ?
1672                                   internals->candidate_max_rx_pktlen : 2048;
1673
1674         dev_info->max_rx_queues = (uint16_t)128;
1675         dev_info->max_tx_queues = (uint16_t)512;
1676
1677         dev_info->min_rx_bufsize = 0;
1678         dev_info->pci_dev = NULL;
1679
1680         dev_info->rx_offload_capa = internals->rx_offload_capa;
1681         dev_info->tx_offload_capa = internals->tx_offload_capa;
1682         dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
1683
1684         dev_info->reta_size = internals->reta_size;
1685 }
1686
1687 static int
1688 bond_ethdev_vlan_filter_set(struct rte_eth_dev *dev, uint16_t vlan_id, int on)
1689 {
1690         int res;
1691         uint8_t i;
1692         struct bond_dev_private *internals = dev->data->dev_private;
1693
1694         /* don't do this while a slave is being added */
1695         rte_spinlock_lock(&internals->lock);
1696
1697         if (on)
1698                 rte_bitmap_set(internals->vlan_filter_bmp, vlan_id);
1699         else
1700                 rte_bitmap_clear(internals->vlan_filter_bmp, vlan_id);
1701
1702         for (i = 0; i < internals->slave_count; i++) {
1703                 uint8_t port_id = internals->slaves[i].port_id;
1704
1705                 res = rte_eth_dev_vlan_filter(port_id, vlan_id, on);
1706                 if (res == ENOTSUP)
1707                         RTE_LOG(WARNING, PMD,
1708                                 "Setting VLAN filter on slave port %u not supported.\n",
1709                                 port_id);
1710         }
1711
1712         rte_spinlock_unlock(&internals->lock);
1713         return 0;
1714 }
1715
1716 static int
1717 bond_ethdev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1718                 uint16_t nb_rx_desc, unsigned int socket_id __rte_unused,
1719                 const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool)
1720 {
1721         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)
1722                         rte_zmalloc_socket(NULL, sizeof(struct bond_rx_queue),
1723                                         0, dev->data->numa_node);
1724         if (bd_rx_q == NULL)
1725                 return -1;
1726
1727         bd_rx_q->queue_id = rx_queue_id;
1728         bd_rx_q->dev_private = dev->data->dev_private;
1729
1730         bd_rx_q->nb_rx_desc = nb_rx_desc;
1731
1732         memcpy(&(bd_rx_q->rx_conf), rx_conf, sizeof(struct rte_eth_rxconf));
1733         bd_rx_q->mb_pool = mb_pool;
1734
1735         dev->data->rx_queues[rx_queue_id] = bd_rx_q;
1736
1737         return 0;
1738 }
1739
1740 static int
1741 bond_ethdev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1742                 uint16_t nb_tx_desc, unsigned int socket_id __rte_unused,
1743                 const struct rte_eth_txconf *tx_conf)
1744 {
1745         struct bond_tx_queue *bd_tx_q  = (struct bond_tx_queue *)
1746                         rte_zmalloc_socket(NULL, sizeof(struct bond_tx_queue),
1747                                         0, dev->data->numa_node);
1748
1749         if (bd_tx_q == NULL)
1750                 return -1;
1751
1752         bd_tx_q->queue_id = tx_queue_id;
1753         bd_tx_q->dev_private = dev->data->dev_private;
1754
1755         bd_tx_q->nb_tx_desc = nb_tx_desc;
1756         memcpy(&(bd_tx_q->tx_conf), tx_conf, sizeof(bd_tx_q->tx_conf));
1757
1758         dev->data->tx_queues[tx_queue_id] = bd_tx_q;
1759
1760         return 0;
1761 }
1762
1763 static void
1764 bond_ethdev_rx_queue_release(void *queue)
1765 {
1766         if (queue == NULL)
1767                 return;
1768
1769         rte_free(queue);
1770 }
1771
1772 static void
1773 bond_ethdev_tx_queue_release(void *queue)
1774 {
1775         if (queue == NULL)
1776                 return;
1777
1778         rte_free(queue);
1779 }
1780
1781 static void
1782 bond_ethdev_slave_link_status_change_monitor(void *cb_arg)
1783 {
1784         struct rte_eth_dev *bonded_ethdev, *slave_ethdev;
1785         struct bond_dev_private *internals;
1786
1787         /* Default value for polling slave found is true as we don't want to
1788          * disable the polling thread if we cannot get the lock */
1789         int i, polling_slave_found = 1;
1790
1791         if (cb_arg == NULL)
1792                 return;
1793
1794         bonded_ethdev = (struct rte_eth_dev *)cb_arg;
1795         internals = (struct bond_dev_private *)bonded_ethdev->data->dev_private;
1796
1797         if (!bonded_ethdev->data->dev_started ||
1798                 !internals->link_status_polling_enabled)
1799                 return;
1800
1801         /* If device is currently being configured then don't check slaves link
1802          * status, wait until next period */
1803         if (rte_spinlock_trylock(&internals->lock)) {
1804                 if (internals->slave_count > 0)
1805                         polling_slave_found = 0;
1806
1807                 for (i = 0; i < internals->slave_count; i++) {
1808                         if (!internals->slaves[i].link_status_poll_enabled)
1809                                 continue;
1810
1811                         slave_ethdev = &rte_eth_devices[internals->slaves[i].port_id];
1812                         polling_slave_found = 1;
1813
1814                         /* Update slave link status */
1815                         (*slave_ethdev->dev_ops->link_update)(slave_ethdev,
1816                                         internals->slaves[i].link_status_wait_to_complete);
1817
1818                         /* if link status has changed since last checked then call lsc
1819                          * event callback */
1820                         if (slave_ethdev->data->dev_link.link_status !=
1821                                         internals->slaves[i].last_link_status) {
1822                                 internals->slaves[i].last_link_status =
1823                                                 slave_ethdev->data->dev_link.link_status;
1824
1825                                 bond_ethdev_lsc_event_callback(internals->slaves[i].port_id,
1826                                                 RTE_ETH_EVENT_INTR_LSC,
1827                                                 &bonded_ethdev->data->port_id);
1828                         }
1829                 }
1830                 rte_spinlock_unlock(&internals->lock);
1831         }
1832
1833         if (polling_slave_found)
1834                 /* Set alarm to continue monitoring link status of slave ethdev's */
1835                 rte_eal_alarm_set(internals->link_status_polling_interval_ms * 1000,
1836                                 bond_ethdev_slave_link_status_change_monitor, cb_arg);
1837 }
1838
1839 static int
1840 bond_ethdev_link_update(struct rte_eth_dev *bonded_eth_dev,
1841                 int wait_to_complete)
1842 {
1843         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1844
1845         if (!bonded_eth_dev->data->dev_started ||
1846                 internals->active_slave_count == 0) {
1847                 bonded_eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
1848                 return 0;
1849         } else {
1850                 struct rte_eth_dev *slave_eth_dev;
1851                 int i, link_up = 0;
1852
1853                 for (i = 0; i < internals->active_slave_count; i++) {
1854                         slave_eth_dev = &rte_eth_devices[internals->active_slaves[i]];
1855
1856                         (*slave_eth_dev->dev_ops->link_update)(slave_eth_dev,
1857                                         wait_to_complete);
1858                         if (slave_eth_dev->data->dev_link.link_status == ETH_LINK_UP) {
1859                                 link_up = 1;
1860                                 break;
1861                         }
1862                 }
1863
1864                 bonded_eth_dev->data->dev_link.link_status = link_up;
1865         }
1866
1867         return 0;
1868 }
1869
1870 static void
1871 bond_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1872 {
1873         struct bond_dev_private *internals = dev->data->dev_private;
1874         struct rte_eth_stats slave_stats;
1875         int i, j;
1876
1877         for (i = 0; i < internals->slave_count; i++) {
1878                 rte_eth_stats_get(internals->slaves[i].port_id, &slave_stats);
1879
1880                 stats->ipackets += slave_stats.ipackets;
1881                 stats->opackets += slave_stats.opackets;
1882                 stats->ibytes += slave_stats.ibytes;
1883                 stats->obytes += slave_stats.obytes;
1884                 stats->imissed += slave_stats.imissed;
1885                 stats->ierrors += slave_stats.ierrors;
1886                 stats->oerrors += slave_stats.oerrors;
1887                 stats->rx_nombuf += slave_stats.rx_nombuf;
1888
1889                 for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) {
1890                         stats->q_ipackets[j] += slave_stats.q_ipackets[j];
1891                         stats->q_opackets[j] += slave_stats.q_opackets[j];
1892                         stats->q_ibytes[j] += slave_stats.q_ibytes[j];
1893                         stats->q_obytes[j] += slave_stats.q_obytes[j];
1894                         stats->q_errors[j] += slave_stats.q_errors[j];
1895                 }
1896
1897         }
1898 }
1899
1900 static void
1901 bond_ethdev_stats_reset(struct rte_eth_dev *dev)
1902 {
1903         struct bond_dev_private *internals = dev->data->dev_private;
1904         int i;
1905
1906         for (i = 0; i < internals->slave_count; i++)
1907                 rte_eth_stats_reset(internals->slaves[i].port_id);
1908 }
1909
1910 static void
1911 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
1912 {
1913         struct bond_dev_private *internals = eth_dev->data->dev_private;
1914         int i;
1915
1916         internals->promiscuous_en = 1;
1917
1918         switch (internals->mode) {
1919         /* Promiscuous mode is propagated to all slaves */
1920         case BONDING_MODE_ROUND_ROBIN:
1921         case BONDING_MODE_BALANCE:
1922         case BONDING_MODE_BROADCAST:
1923                 for (i = 0; i < internals->slave_count; i++)
1924                         rte_eth_promiscuous_enable(internals->slaves[i].port_id);
1925                 break;
1926         /* In mode4 promiscus mode is managed when slave is added/removed */
1927         case BONDING_MODE_8023AD:
1928                 break;
1929         /* Promiscuous mode is propagated only to primary slave */
1930         case BONDING_MODE_ACTIVE_BACKUP:
1931         case BONDING_MODE_TLB:
1932         case BONDING_MODE_ALB:
1933         default:
1934                 rte_eth_promiscuous_enable(internals->current_primary_port);
1935         }
1936 }
1937
1938 static void
1939 bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
1940 {
1941         struct bond_dev_private *internals = dev->data->dev_private;
1942         int i;
1943
1944         internals->promiscuous_en = 0;
1945
1946         switch (internals->mode) {
1947         /* Promiscuous mode is propagated to all slaves */
1948         case BONDING_MODE_ROUND_ROBIN:
1949         case BONDING_MODE_BALANCE:
1950         case BONDING_MODE_BROADCAST:
1951                 for (i = 0; i < internals->slave_count; i++)
1952                         rte_eth_promiscuous_disable(internals->slaves[i].port_id);
1953                 break;
1954         /* In mode4 promiscus mode is set managed when slave is added/removed */
1955         case BONDING_MODE_8023AD:
1956                 break;
1957         /* Promiscuous mode is propagated only to primary slave */
1958         case BONDING_MODE_ACTIVE_BACKUP:
1959         case BONDING_MODE_TLB:
1960         case BONDING_MODE_ALB:
1961         default:
1962                 rte_eth_promiscuous_disable(internals->current_primary_port);
1963         }
1964 }
1965
1966 static void
1967 bond_ethdev_delayed_lsc_propagation(void *arg)
1968 {
1969         if (arg == NULL)
1970                 return;
1971
1972         _rte_eth_dev_callback_process((struct rte_eth_dev *)arg,
1973                         RTE_ETH_EVENT_INTR_LSC, NULL);
1974 }
1975
1976 void
1977 bond_ethdev_lsc_event_callback(uint8_t port_id, enum rte_eth_event_type type,
1978                 void *param)
1979 {
1980         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
1981         struct bond_dev_private *internals;
1982         struct rte_eth_link link;
1983
1984         int i, valid_slave = 0;
1985         uint8_t active_pos;
1986         uint8_t lsc_flag = 0;
1987
1988         if (type != RTE_ETH_EVENT_INTR_LSC || param == NULL)
1989                 return;
1990
1991         bonded_eth_dev = &rte_eth_devices[*(uint8_t *)param];
1992         slave_eth_dev = &rte_eth_devices[port_id];
1993
1994         if (check_for_bonded_ethdev(bonded_eth_dev))
1995                 return;
1996
1997         internals = bonded_eth_dev->data->dev_private;
1998
1999         /* If the device isn't started don't handle interrupts */
2000         if (!bonded_eth_dev->data->dev_started)
2001                 return;
2002
2003         /* verify that port_id is a valid slave of bonded port */
2004         for (i = 0; i < internals->slave_count; i++) {
2005                 if (internals->slaves[i].port_id == port_id) {
2006                         valid_slave = 1;
2007                         break;
2008                 }
2009         }
2010
2011         if (!valid_slave)
2012                 return;
2013
2014         /* Search for port in active port list */
2015         active_pos = find_slave_by_id(internals->active_slaves,
2016                         internals->active_slave_count, port_id);
2017
2018         rte_eth_link_get_nowait(port_id, &link);
2019         if (link.link_status) {
2020                 if (active_pos < internals->active_slave_count)
2021                         return;
2022
2023                 /* if no active slave ports then set this port to be primary port */
2024                 if (internals->active_slave_count < 1) {
2025                         /* If first active slave, then change link status */
2026                         bonded_eth_dev->data->dev_link.link_status = ETH_LINK_UP;
2027                         internals->current_primary_port = port_id;
2028                         lsc_flag = 1;
2029
2030                         mac_address_slaves_update(bonded_eth_dev);
2031
2032                         /* Inherit eth dev link properties from first active slave */
2033                         link_properties_set(bonded_eth_dev,
2034                                         &(slave_eth_dev->data->dev_link));
2035                 } else {
2036                         if (link_properties_valid(
2037                                 &bonded_eth_dev->data->dev_link, &link) != 0) {
2038                                 slave_eth_dev->data->dev_flags &=
2039                                         (~RTE_ETH_DEV_BONDED_SLAVE);
2040                                 RTE_LOG(ERR, PMD,
2041                                         "port %u invalid speed/duplex\n",
2042                                         port_id);
2043                                 return;
2044                         }
2045                 }
2046
2047                 activate_slave(bonded_eth_dev, port_id);
2048
2049                 /* If user has defined the primary port then default to using it */
2050                 if (internals->user_defined_primary_port &&
2051                                 internals->primary_port == port_id)
2052                         bond_ethdev_primary_set(internals, port_id);
2053         } else {
2054                 if (active_pos == internals->active_slave_count)
2055                         return;
2056
2057                 /* Remove from active slave list */
2058                 deactivate_slave(bonded_eth_dev, port_id);
2059
2060                 /* No active slaves, change link status to down and reset other
2061                  * link properties */
2062                 if (internals->active_slave_count < 1) {
2063                         lsc_flag = 1;
2064                         bonded_eth_dev->data->dev_link.link_status = ETH_LINK_DOWN;
2065
2066                         link_properties_reset(bonded_eth_dev);
2067                 }
2068
2069                 /* Update primary id, take first active slave from list or if none
2070                  * available set to -1 */
2071                 if (port_id == internals->current_primary_port) {
2072                         if (internals->active_slave_count > 0)
2073                                 bond_ethdev_primary_set(internals,
2074                                                 internals->active_slaves[0]);
2075                         else
2076                                 internals->current_primary_port = internals->primary_port;
2077                 }
2078         }
2079
2080         if (lsc_flag) {
2081                 /* Cancel any possible outstanding interrupts if delays are enabled */
2082                 if (internals->link_up_delay_ms > 0 ||
2083                         internals->link_down_delay_ms > 0)
2084                         rte_eal_alarm_cancel(bond_ethdev_delayed_lsc_propagation,
2085                                         bonded_eth_dev);
2086
2087                 if (bonded_eth_dev->data->dev_link.link_status) {
2088                         if (internals->link_up_delay_ms > 0)
2089                                 rte_eal_alarm_set(internals->link_up_delay_ms * 1000,
2090                                                 bond_ethdev_delayed_lsc_propagation,
2091                                                 (void *)bonded_eth_dev);
2092                         else
2093                                 _rte_eth_dev_callback_process(bonded_eth_dev,
2094                                                 RTE_ETH_EVENT_INTR_LSC, NULL);
2095
2096                 } else {
2097                         if (internals->link_down_delay_ms > 0)
2098                                 rte_eal_alarm_set(internals->link_down_delay_ms * 1000,
2099                                                 bond_ethdev_delayed_lsc_propagation,
2100                                                 (void *)bonded_eth_dev);
2101                         else
2102                                 _rte_eth_dev_callback_process(bonded_eth_dev,
2103                                                 RTE_ETH_EVENT_INTR_LSC, NULL);
2104                 }
2105         }
2106 }
2107
2108 static int
2109 bond_ethdev_rss_reta_update(struct rte_eth_dev *dev,
2110                 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
2111 {
2112         unsigned i, j;
2113         int result = 0;
2114         int slave_reta_size;
2115         unsigned reta_count;
2116         struct bond_dev_private *internals = dev->data->dev_private;
2117
2118         if (reta_size != internals->reta_size)
2119                 return -EINVAL;
2120
2121          /* Copy RETA table */
2122         reta_count = reta_size / RTE_RETA_GROUP_SIZE;
2123
2124         for (i = 0; i < reta_count; i++) {
2125                 internals->reta_conf[i].mask = reta_conf[i].mask;
2126                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
2127                         if ((reta_conf[i].mask >> j) & 0x01)
2128                                 internals->reta_conf[i].reta[j] = reta_conf[i].reta[j];
2129         }
2130
2131         /* Fill rest of array */
2132         for (; i < RTE_DIM(internals->reta_conf); i += reta_count)
2133                 memcpy(&internals->reta_conf[i], &internals->reta_conf[0],
2134                                 sizeof(internals->reta_conf[0]) * reta_count);
2135
2136         /* Propagate RETA over slaves */
2137         for (i = 0; i < internals->slave_count; i++) {
2138                 slave_reta_size = internals->slaves[i].reta_size;
2139                 result = rte_eth_dev_rss_reta_update(internals->slaves[i].port_id,
2140                                 &internals->reta_conf[0], slave_reta_size);
2141                 if (result < 0)
2142                         return result;
2143         }
2144
2145         return 0;
2146 }
2147
2148 static int
2149 bond_ethdev_rss_reta_query(struct rte_eth_dev *dev,
2150                 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
2151 {
2152         int i, j;
2153         struct bond_dev_private *internals = dev->data->dev_private;
2154
2155         if (reta_size != internals->reta_size)
2156                 return -EINVAL;
2157
2158          /* Copy RETA table */
2159         for (i = 0; i < reta_size / RTE_RETA_GROUP_SIZE; i++)
2160                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
2161                         if ((reta_conf[i].mask >> j) & 0x01)
2162                                 reta_conf[i].reta[j] = internals->reta_conf[i].reta[j];
2163
2164         return 0;
2165 }
2166
2167 static int
2168 bond_ethdev_rss_hash_update(struct rte_eth_dev *dev,
2169                 struct rte_eth_rss_conf *rss_conf)
2170 {
2171         int i, result = 0;
2172         struct bond_dev_private *internals = dev->data->dev_private;
2173         struct rte_eth_rss_conf bond_rss_conf;
2174
2175         memcpy(&bond_rss_conf, rss_conf, sizeof(struct rte_eth_rss_conf));
2176
2177         bond_rss_conf.rss_hf &= internals->flow_type_rss_offloads;
2178
2179         if (bond_rss_conf.rss_hf != 0)
2180                 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf = bond_rss_conf.rss_hf;
2181
2182         if (bond_rss_conf.rss_key && bond_rss_conf.rss_key_len <
2183                         sizeof(internals->rss_key)) {
2184                 if (bond_rss_conf.rss_key_len == 0)
2185                         bond_rss_conf.rss_key_len = 40;
2186                 internals->rss_key_len = bond_rss_conf.rss_key_len;
2187                 memcpy(internals->rss_key, bond_rss_conf.rss_key,
2188                                 internals->rss_key_len);
2189         }
2190
2191         for (i = 0; i < internals->slave_count; i++) {
2192                 result = rte_eth_dev_rss_hash_update(internals->slaves[i].port_id,
2193                                 &bond_rss_conf);
2194                 if (result < 0)
2195                         return result;
2196         }
2197
2198         return 0;
2199 }
2200
2201 static int
2202 bond_ethdev_rss_hash_conf_get(struct rte_eth_dev *dev,
2203                 struct rte_eth_rss_conf *rss_conf)
2204 {
2205         struct bond_dev_private *internals = dev->data->dev_private;
2206
2207         rss_conf->rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
2208         rss_conf->rss_key_len = internals->rss_key_len;
2209         if (rss_conf->rss_key)
2210                 memcpy(rss_conf->rss_key, internals->rss_key, internals->rss_key_len);
2211
2212         return 0;
2213 }
2214
2215 const struct eth_dev_ops default_dev_ops = {
2216         .dev_start            = bond_ethdev_start,
2217         .dev_stop             = bond_ethdev_stop,
2218         .dev_close            = bond_ethdev_close,
2219         .dev_configure        = bond_ethdev_configure,
2220         .dev_infos_get        = bond_ethdev_info,
2221         .vlan_filter_set      = bond_ethdev_vlan_filter_set,
2222         .rx_queue_setup       = bond_ethdev_rx_queue_setup,
2223         .tx_queue_setup       = bond_ethdev_tx_queue_setup,
2224         .rx_queue_release     = bond_ethdev_rx_queue_release,
2225         .tx_queue_release     = bond_ethdev_tx_queue_release,
2226         .link_update          = bond_ethdev_link_update,
2227         .stats_get            = bond_ethdev_stats_get,
2228         .stats_reset          = bond_ethdev_stats_reset,
2229         .promiscuous_enable   = bond_ethdev_promiscuous_enable,
2230         .promiscuous_disable  = bond_ethdev_promiscuous_disable,
2231         .reta_update          = bond_ethdev_rss_reta_update,
2232         .reta_query           = bond_ethdev_rss_reta_query,
2233         .rss_hash_update      = bond_ethdev_rss_hash_update,
2234         .rss_hash_conf_get    = bond_ethdev_rss_hash_conf_get
2235 };
2236
2237 static int
2238 bond_probe(const char *name, const char *params)
2239 {
2240         struct bond_dev_private *internals;
2241         struct rte_kvargs *kvlist;
2242         uint8_t bonding_mode, socket_id;
2243         int  arg_count, port_id;
2244
2245         RTE_LOG(INFO, EAL, "Initializing pmd_bond for %s\n", name);
2246
2247         kvlist = rte_kvargs_parse(params, pmd_bond_init_valid_arguments);
2248         if (kvlist == NULL)
2249                 return -1;
2250
2251         /* Parse link bonding mode */
2252         if (rte_kvargs_count(kvlist, PMD_BOND_MODE_KVARG) == 1) {
2253                 if (rte_kvargs_process(kvlist, PMD_BOND_MODE_KVARG,
2254                                 &bond_ethdev_parse_slave_mode_kvarg,
2255                                 &bonding_mode) != 0) {
2256                         RTE_LOG(ERR, EAL, "Invalid mode for bonded device %s\n",
2257                                         name);
2258                         goto parse_error;
2259                 }
2260         } else {
2261                 RTE_LOG(ERR, EAL, "Mode must be specified only once for bonded "
2262                                 "device %s\n", name);
2263                 goto parse_error;
2264         }
2265
2266         /* Parse socket id to create bonding device on */
2267         arg_count = rte_kvargs_count(kvlist, PMD_BOND_SOCKET_ID_KVARG);
2268         if (arg_count == 1) {
2269                 if (rte_kvargs_process(kvlist, PMD_BOND_SOCKET_ID_KVARG,
2270                                 &bond_ethdev_parse_socket_id_kvarg, &socket_id)
2271                                 != 0) {
2272                         RTE_LOG(ERR, EAL, "Invalid socket Id specified for "
2273                                         "bonded device %s\n", name);
2274                         goto parse_error;
2275                 }
2276         } else if (arg_count > 1) {
2277                 RTE_LOG(ERR, EAL, "Socket Id can be specified only once for "
2278                                 "bonded device %s\n", name);
2279                 goto parse_error;
2280         } else {
2281                 socket_id = rte_socket_id();
2282         }
2283
2284         /* Create link bonding eth device */
2285         port_id = rte_eth_bond_create(name, bonding_mode, socket_id);
2286         if (port_id < 0) {
2287                 RTE_LOG(ERR, EAL, "Failed to create socket %s in mode %u on "
2288                                 "socket %u.\n", name, bonding_mode, socket_id);
2289                 goto parse_error;
2290         }
2291         internals = rte_eth_devices[port_id].data->dev_private;
2292         internals->kvlist = kvlist;
2293
2294         RTE_LOG(INFO, EAL, "Create bonded device %s on port %d in mode %u on "
2295                         "socket %u.\n", name, port_id, bonding_mode, socket_id);
2296         return 0;
2297
2298 parse_error:
2299         rte_kvargs_free(kvlist);
2300
2301         return -1;
2302 }
2303
2304 static int
2305 bond_remove(const char *name)
2306 {
2307         int  ret;
2308
2309         if (name == NULL)
2310                 return -EINVAL;
2311
2312         RTE_LOG(INFO, EAL, "Uninitializing pmd_bond for %s\n", name);
2313
2314         /* free link bonding eth device */
2315         ret = rte_eth_bond_free(name);
2316         if (ret < 0)
2317                 RTE_LOG(ERR, EAL, "Failed to free %s\n", name);
2318
2319         return ret;
2320 }
2321
2322 /* this part will resolve the slave portids after all the other pdev and vdev
2323  * have been allocated */
2324 static int
2325 bond_ethdev_configure(struct rte_eth_dev *dev)
2326 {
2327         char *name = dev->data->name;
2328         struct bond_dev_private *internals = dev->data->dev_private;
2329         struct rte_kvargs *kvlist = internals->kvlist;
2330         int arg_count;
2331         uint8_t port_id = dev - rte_eth_devices;
2332
2333         static const uint8_t default_rss_key[40] = {
2334                 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 0x41, 0x67, 0x25, 0x3D,
2335                 0x43, 0xA3, 0x8F, 0xB0, 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
2336                 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 0x6A, 0x42, 0xB7, 0x3B,
2337                 0xBE, 0xAC, 0x01, 0xFA
2338         };
2339
2340         unsigned i, j;
2341
2342         /* If RSS is enabled, fill table and key with default values */
2343         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS) {
2344                 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key = internals->rss_key;
2345                 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len = 0;
2346                 memcpy(internals->rss_key, default_rss_key, 40);
2347
2348                 for (i = 0; i < RTE_DIM(internals->reta_conf); i++) {
2349                         internals->reta_conf[i].mask = ~0LL;
2350                         for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
2351                                 internals->reta_conf[i].reta[j] = j % dev->data->nb_rx_queues;
2352                 }
2353         }
2354
2355         /* set the max_rx_pktlen */
2356         internals->max_rx_pktlen = internals->candidate_max_rx_pktlen;
2357
2358         /*
2359          * if no kvlist, it means that this bonded device has been created
2360          * through the bonding api.
2361          */
2362         if (!kvlist)
2363                 return 0;
2364
2365         /* Parse MAC address for bonded device */
2366         arg_count = rte_kvargs_count(kvlist, PMD_BOND_MAC_ADDR_KVARG);
2367         if (arg_count == 1) {
2368                 struct ether_addr bond_mac;
2369
2370                 if (rte_kvargs_process(kvlist, PMD_BOND_MAC_ADDR_KVARG,
2371                                 &bond_ethdev_parse_bond_mac_addr_kvarg, &bond_mac) < 0) {
2372                         RTE_LOG(INFO, EAL, "Invalid mac address for bonded device %s\n",
2373                                         name);
2374                         return -1;
2375                 }
2376
2377                 /* Set MAC address */
2378                 if (rte_eth_bond_mac_address_set(port_id, &bond_mac) != 0) {
2379                         RTE_LOG(ERR, EAL,
2380                                         "Failed to set mac address on bonded device %s\n",
2381                                         name);
2382                         return -1;
2383                 }
2384         } else if (arg_count > 1) {
2385                 RTE_LOG(ERR, EAL,
2386                                 "MAC address can be specified only once for bonded device %s\n",
2387                                 name);
2388                 return -1;
2389         }
2390
2391         /* Parse/set balance mode transmit policy */
2392         arg_count = rte_kvargs_count(kvlist, PMD_BOND_XMIT_POLICY_KVARG);
2393         if (arg_count == 1) {
2394                 uint8_t xmit_policy;
2395
2396                 if (rte_kvargs_process(kvlist, PMD_BOND_XMIT_POLICY_KVARG,
2397                                 &bond_ethdev_parse_balance_xmit_policy_kvarg, &xmit_policy) !=
2398                                                 0) {
2399                         RTE_LOG(INFO, EAL,
2400                                         "Invalid xmit policy specified for bonded device %s\n",
2401                                         name);
2402                         return -1;
2403                 }
2404
2405                 /* Set balance mode transmit policy*/
2406                 if (rte_eth_bond_xmit_policy_set(port_id, xmit_policy) != 0) {
2407                         RTE_LOG(ERR, EAL,
2408                                         "Failed to set balance xmit policy on bonded device %s\n",
2409                                         name);
2410                         return -1;
2411                 }
2412         } else if (arg_count > 1) {
2413                 RTE_LOG(ERR, EAL,
2414                                 "Transmit policy can be specified only once for bonded device"
2415                                 " %s\n", name);
2416                 return -1;
2417         }
2418
2419         /* Parse/add slave ports to bonded device */
2420         if (rte_kvargs_count(kvlist, PMD_BOND_SLAVE_PORT_KVARG) > 0) {
2421                 struct bond_ethdev_slave_ports slave_ports;
2422                 unsigned i;
2423
2424                 memset(&slave_ports, 0, sizeof(slave_ports));
2425
2426                 if (rte_kvargs_process(kvlist, PMD_BOND_SLAVE_PORT_KVARG,
2427                                 &bond_ethdev_parse_slave_port_kvarg, &slave_ports) != 0) {
2428                         RTE_LOG(ERR, EAL,
2429                                         "Failed to parse slave ports for bonded device %s\n",
2430                                         name);
2431                         return -1;
2432                 }
2433
2434                 for (i = 0; i < slave_ports.slave_count; i++) {
2435                         if (rte_eth_bond_slave_add(port_id, slave_ports.slaves[i]) != 0) {
2436                                 RTE_LOG(ERR, EAL,
2437                                                 "Failed to add port %d as slave to bonded device %s\n",
2438                                                 slave_ports.slaves[i], name);
2439                         }
2440                 }
2441
2442         } else {
2443                 RTE_LOG(INFO, EAL, "No slaves specified for bonded device %s\n", name);
2444                 return -1;
2445         }
2446
2447         /* Parse/set primary slave port id*/
2448         arg_count = rte_kvargs_count(kvlist, PMD_BOND_PRIMARY_SLAVE_KVARG);
2449         if (arg_count == 1) {
2450                 uint8_t primary_slave_port_id;
2451
2452                 if (rte_kvargs_process(kvlist,
2453                                 PMD_BOND_PRIMARY_SLAVE_KVARG,
2454                                 &bond_ethdev_parse_primary_slave_port_id_kvarg,
2455                                 &primary_slave_port_id) < 0) {
2456                         RTE_LOG(INFO, EAL,
2457                                         "Invalid primary slave port id specified for bonded device"
2458                                         " %s\n", name);
2459                         return -1;
2460                 }
2461
2462                 /* Set balance mode transmit policy*/
2463                 if (rte_eth_bond_primary_set(port_id, (uint8_t)primary_slave_port_id)
2464                                 != 0) {
2465                         RTE_LOG(ERR, EAL,
2466                                         "Failed to set primary slave port %d on bonded device %s\n",
2467                                         primary_slave_port_id, name);
2468                         return -1;
2469                 }
2470         } else if (arg_count > 1) {
2471                 RTE_LOG(INFO, EAL,
2472                                 "Primary slave can be specified only once for bonded device"
2473                                 " %s\n", name);
2474                 return -1;
2475         }
2476
2477         /* Parse link status monitor polling interval */
2478         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LSC_POLL_PERIOD_KVARG);
2479         if (arg_count == 1) {
2480                 uint32_t lsc_poll_interval_ms;
2481
2482                 if (rte_kvargs_process(kvlist,
2483                                 PMD_BOND_LSC_POLL_PERIOD_KVARG,
2484                                 &bond_ethdev_parse_time_ms_kvarg,
2485                                 &lsc_poll_interval_ms) < 0) {
2486                         RTE_LOG(INFO, EAL,
2487                                         "Invalid lsc polling interval value specified for bonded"
2488                                         " device %s\n", name);
2489                         return -1;
2490                 }
2491
2492                 if (rte_eth_bond_link_monitoring_set(port_id, lsc_poll_interval_ms)
2493                                 != 0) {
2494                         RTE_LOG(ERR, EAL,
2495                                         "Failed to set lsc monitor polling interval (%u ms) on"
2496                                         " bonded device %s\n", lsc_poll_interval_ms, name);
2497                         return -1;
2498                 }
2499         } else if (arg_count > 1) {
2500                 RTE_LOG(INFO, EAL,
2501                                 "LSC polling interval can be specified only once for bonded"
2502                                 " device %s\n", name);
2503                 return -1;
2504         }
2505
2506         /* Parse link up interrupt propagation delay */
2507         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_UP_PROP_DELAY_KVARG);
2508         if (arg_count == 1) {
2509                 uint32_t link_up_delay_ms;
2510
2511                 if (rte_kvargs_process(kvlist,
2512                                 PMD_BOND_LINK_UP_PROP_DELAY_KVARG,
2513                                 &bond_ethdev_parse_time_ms_kvarg,
2514                                 &link_up_delay_ms) < 0) {
2515                         RTE_LOG(INFO, EAL,
2516                                         "Invalid link up propagation delay value specified for"
2517                                         " bonded device %s\n", name);
2518                         return -1;
2519                 }
2520
2521                 /* Set balance mode transmit policy*/
2522                 if (rte_eth_bond_link_up_prop_delay_set(port_id, link_up_delay_ms)
2523                                 != 0) {
2524                         RTE_LOG(ERR, EAL,
2525                                         "Failed to set link up propagation delay (%u ms) on bonded"
2526                                         " device %s\n", link_up_delay_ms, name);
2527                         return -1;
2528                 }
2529         } else if (arg_count > 1) {
2530                 RTE_LOG(INFO, EAL,
2531                                 "Link up propagation delay can be specified only once for"
2532                                 " bonded device %s\n", name);
2533                 return -1;
2534         }
2535
2536         /* Parse link down interrupt propagation delay */
2537         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG);
2538         if (arg_count == 1) {
2539                 uint32_t link_down_delay_ms;
2540
2541                 if (rte_kvargs_process(kvlist,
2542                                 PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG,
2543                                 &bond_ethdev_parse_time_ms_kvarg,
2544                                 &link_down_delay_ms) < 0) {
2545                         RTE_LOG(INFO, EAL,
2546                                         "Invalid link down propagation delay value specified for"
2547                                         " bonded device %s\n", name);
2548                         return -1;
2549                 }
2550
2551                 /* Set balance mode transmit policy*/
2552                 if (rte_eth_bond_link_down_prop_delay_set(port_id, link_down_delay_ms)
2553                                 != 0) {
2554                         RTE_LOG(ERR, EAL,
2555                                         "Failed to set link down propagation delay (%u ms) on"
2556                                         " bonded device %s\n", link_down_delay_ms, name);
2557                         return -1;
2558                 }
2559         } else if (arg_count > 1) {
2560                 RTE_LOG(INFO, EAL,
2561                                 "Link down propagation delay can be specified only once for"
2562                                 " bonded device %s\n", name);
2563                 return -1;
2564         }
2565
2566         return 0;
2567 }
2568
2569 static struct rte_vdev_driver bond_drv = {
2570         .probe = bond_probe,
2571         .remove = bond_remove,
2572 };
2573
2574 RTE_PMD_REGISTER_VDEV(net_bonding, bond_drv);
2575 RTE_PMD_REGISTER_ALIAS(net_bonding, eth_bond);
2576
2577 RTE_PMD_REGISTER_PARAM_STRING(net_bonding,
2578         "slave=<ifc> "
2579         "primary=<ifc> "
2580         "mode=[0-6] "
2581         "xmit_policy=[l2 | l23 | l34] "
2582         "socket_id=<int> "
2583         "mac=<mac addr> "
2584         "lsc_poll_period_ms=<int> "
2585         "up_delay=<int> "
2586         "down_delay=<int>");