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