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         int errval;
1309         uint16_t q_id;
1310
1311         /* Stop slave */
1312         rte_eth_dev_stop(slave_eth_dev->data->port_id);
1313
1314         /* Enable interrupts on slave device if supported */
1315         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
1316                 slave_eth_dev->data->dev_conf.intr_conf.lsc = 1;
1317
1318         /* If RSS is enabled for bonding, try to enable it for slaves  */
1319         if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS_FLAG) {
1320                 if (bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len
1321                                 != 0) {
1322                         slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len =
1323                                         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len;
1324                         slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key =
1325                                         bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key;
1326                 } else {
1327                         slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key = NULL;
1328                 }
1329
1330                 slave_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf =
1331                                 bonded_eth_dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
1332                 slave_eth_dev->data->dev_conf.rxmode.mq_mode =
1333                                 bonded_eth_dev->data->dev_conf.rxmode.mq_mode;
1334         }
1335
1336         /* Configure device */
1337         errval = rte_eth_dev_configure(slave_eth_dev->data->port_id,
1338                         bonded_eth_dev->data->nb_rx_queues,
1339                         bonded_eth_dev->data->nb_tx_queues,
1340                         &(slave_eth_dev->data->dev_conf));
1341         if (errval != 0) {
1342                 RTE_BOND_LOG(ERR, "Cannot configure slave device: port %u , err (%d)",
1343                                 slave_eth_dev->data->port_id, errval);
1344                 return errval;
1345         }
1346
1347         /* Setup Rx Queues */
1348         for (q_id = 0; q_id < bonded_eth_dev->data->nb_rx_queues; q_id++) {
1349                 bd_rx_q = (struct bond_rx_queue *)bonded_eth_dev->data->rx_queues[q_id];
1350
1351                 errval = rte_eth_rx_queue_setup(slave_eth_dev->data->port_id, q_id,
1352                                 bd_rx_q->nb_rx_desc,
1353                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1354                                 &(bd_rx_q->rx_conf), bd_rx_q->mb_pool);
1355                 if (errval != 0) {
1356                         RTE_BOND_LOG(ERR,
1357                                         "rte_eth_rx_queue_setup: port=%d queue_id %d, err (%d)",
1358                                         slave_eth_dev->data->port_id, q_id, errval);
1359                         return errval;
1360                 }
1361         }
1362
1363         /* Setup Tx Queues */
1364         for (q_id = 0; q_id < bonded_eth_dev->data->nb_tx_queues; q_id++) {
1365                 bd_tx_q = (struct bond_tx_queue *)bonded_eth_dev->data->tx_queues[q_id];
1366
1367                 errval = rte_eth_tx_queue_setup(slave_eth_dev->data->port_id, q_id,
1368                                 bd_tx_q->nb_tx_desc,
1369                                 rte_eth_dev_socket_id(slave_eth_dev->data->port_id),
1370                                 &bd_tx_q->tx_conf);
1371                 if (errval != 0) {
1372                         RTE_BOND_LOG(ERR,
1373                                         "rte_eth_tx_queue_setup: port=%d queue_id %d, err (%d)",
1374                                         slave_eth_dev->data->port_id, q_id, errval);
1375                         return errval;
1376                 }
1377         }
1378
1379         /* Start device */
1380         errval = rte_eth_dev_start(slave_eth_dev->data->port_id);
1381         if (errval != 0) {
1382                 RTE_BOND_LOG(ERR, "rte_eth_dev_start: port=%u, err (%d)",
1383                                 slave_eth_dev->data->port_id, errval);
1384                 return -1;
1385         }
1386
1387         /* If RSS is enabled for bonding, synchronize RETA */
1388         if (bonded_eth_dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS) {
1389                 int i;
1390                 struct bond_dev_private *internals;
1391
1392                 internals = bonded_eth_dev->data->dev_private;
1393
1394                 for (i = 0; i < internals->slave_count; i++) {
1395                         if (internals->slaves[i].port_id == slave_eth_dev->data->port_id) {
1396                                 errval = rte_eth_dev_rss_reta_update(
1397                                                 slave_eth_dev->data->port_id,
1398                                                 &internals->reta_conf[0],
1399                                                 internals->slaves[i].reta_size);
1400                                 if (errval != 0) {
1401                                         RTE_LOG(WARNING, PMD,
1402                                                         "rte_eth_dev_rss_reta_update on slave port %d fails (err %d)."
1403                                                         " RSS Configuration for bonding may be inconsistent.\n",
1404                                                         slave_eth_dev->data->port_id, errval);
1405                                 }
1406                                 break;
1407                         }
1408                 }
1409         }
1410
1411         /* If lsc interrupt is set, check initial slave's link status */
1412         if (slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)
1413                 bond_ethdev_lsc_event_callback(slave_eth_dev->data->port_id,
1414                         RTE_ETH_EVENT_INTR_LSC, &bonded_eth_dev->data->port_id);
1415
1416         return 0;
1417 }
1418
1419 void
1420 slave_remove(struct bond_dev_private *internals,
1421                 struct rte_eth_dev *slave_eth_dev)
1422 {
1423         uint8_t i;
1424
1425         for (i = 0; i < internals->slave_count; i++)
1426                 if (internals->slaves[i].port_id ==
1427                                 slave_eth_dev->data->port_id)
1428                         break;
1429
1430         if (i < (internals->slave_count - 1))
1431                 memmove(&internals->slaves[i], &internals->slaves[i + 1],
1432                                 sizeof(internals->slaves[0]) *
1433                                 (internals->slave_count - i - 1));
1434
1435         internals->slave_count--;
1436 }
1437
1438 static void
1439 bond_ethdev_slave_link_status_change_monitor(void *cb_arg);
1440
1441 void
1442 slave_add(struct bond_dev_private *internals,
1443                 struct rte_eth_dev *slave_eth_dev)
1444 {
1445         struct bond_slave_details *slave_details =
1446                         &internals->slaves[internals->slave_count];
1447
1448         slave_details->port_id = slave_eth_dev->data->port_id;
1449         slave_details->last_link_status = 0;
1450
1451         /* If slave device doesn't support interrupts then we need to enabled
1452          * polling to monitor link status */
1453         if (!(slave_eth_dev->data->dev_flags & RTE_ETH_DEV_INTR_LSC)) {
1454                 slave_details->link_status_poll_enabled = 1;
1455
1456                 if (!internals->link_status_polling_enabled) {
1457                         internals->link_status_polling_enabled = 1;
1458
1459                         rte_eal_alarm_set(internals->link_status_polling_interval_ms * 1000,
1460                                         bond_ethdev_slave_link_status_change_monitor,
1461                                         (void *)&rte_eth_devices[internals->port_id]);
1462                 }
1463         }
1464
1465         slave_details->link_status_wait_to_complete = 0;
1466         /* clean tlb_last_obytes when adding port for bonding device */
1467         memcpy(&(slave_details->persisted_mac_addr), slave_eth_dev->data->mac_addrs,
1468                         sizeof(struct ether_addr));
1469 }
1470
1471 void
1472 bond_ethdev_primary_set(struct bond_dev_private *internals,
1473                 uint8_t slave_port_id)
1474 {
1475         int i;
1476
1477         if (internals->active_slave_count < 1)
1478                 internals->current_primary_port = slave_port_id;
1479         else
1480                 /* Search bonded device slave ports for new proposed primary port */
1481                 for (i = 0; i < internals->active_slave_count; i++) {
1482                         if (internals->active_slaves[i] == slave_port_id)
1483                                 internals->current_primary_port = slave_port_id;
1484                 }
1485 }
1486
1487 static void
1488 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev);
1489
1490 static int
1491 bond_ethdev_start(struct rte_eth_dev *eth_dev)
1492 {
1493         struct bond_dev_private *internals;
1494         int i;
1495
1496         /* slave eth dev will be started by bonded device */
1497         if (check_for_bonded_ethdev(eth_dev)) {
1498                 RTE_BOND_LOG(ERR, "User tried to explicitly start a slave eth_dev (%d)",
1499                                 eth_dev->data->port_id);
1500                 return -1;
1501         }
1502
1503         eth_dev->data->dev_link.link_status = 0;
1504         eth_dev->data->dev_started = 1;
1505
1506         internals = eth_dev->data->dev_private;
1507
1508         if (internals->slave_count == 0) {
1509                 RTE_BOND_LOG(ERR, "Cannot start port since there are no slave devices");
1510                 return -1;
1511         }
1512
1513         if (internals->user_defined_mac == 0) {
1514                 struct ether_addr *new_mac_addr = NULL;
1515
1516                 for (i = 0; i < internals->slave_count; i++)
1517                         if (internals->slaves[i].port_id == internals->primary_port)
1518                                 new_mac_addr = &internals->slaves[i].persisted_mac_addr;
1519
1520                 if (new_mac_addr == NULL)
1521                         return -1;
1522
1523                 if (mac_address_set(eth_dev, new_mac_addr) != 0) {
1524                         RTE_BOND_LOG(ERR, "bonded port (%d) failed to update MAC address",
1525                                         eth_dev->data->port_id);
1526                         return -1;
1527                 }
1528         }
1529
1530         /* Update all slave devices MACs*/
1531         if (mac_address_slaves_update(eth_dev) != 0)
1532                 return -1;
1533
1534         /* If bonded device is configure in promiscuous mode then re-apply config */
1535         if (internals->promiscuous_en)
1536                 bond_ethdev_promiscuous_enable(eth_dev);
1537
1538         /* Reconfigure each slave device if starting bonded device */
1539         for (i = 0; i < internals->slave_count; i++) {
1540                 if (slave_configure(eth_dev,
1541                                 &(rte_eth_devices[internals->slaves[i].port_id])) != 0) {
1542                         RTE_BOND_LOG(ERR,
1543                                         "bonded port (%d) failed to reconfigure slave device (%d)",
1544                                         eth_dev->data->port_id, internals->slaves[i].port_id);
1545                         return -1;
1546                 }
1547         }
1548
1549         if (internals->user_defined_primary_port)
1550                 bond_ethdev_primary_set(internals, internals->primary_port);
1551
1552         if (internals->mode == BONDING_MODE_8023AD)
1553                 bond_mode_8023ad_start(eth_dev);
1554
1555         if (internals->mode == BONDING_MODE_TLB ||
1556                         internals->mode == BONDING_MODE_ALB)
1557                 bond_tlb_enable(internals);
1558
1559         return 0;
1560 }
1561
1562 static void
1563 bond_ethdev_free_queues(struct rte_eth_dev *dev)
1564 {
1565         uint8_t i;
1566
1567         if (dev->data->rx_queues != NULL) {
1568                 for (i = 0; i < dev->data->nb_rx_queues; i++) {
1569                         rte_free(dev->data->rx_queues[i]);
1570                         dev->data->rx_queues[i] = NULL;
1571                 }
1572                 dev->data->nb_rx_queues = 0;
1573         }
1574
1575         if (dev->data->tx_queues != NULL) {
1576                 for (i = 0; i < dev->data->nb_tx_queues; i++) {
1577                         rte_free(dev->data->tx_queues[i]);
1578                         dev->data->tx_queues[i] = NULL;
1579                 }
1580                 dev->data->nb_tx_queues = 0;
1581         }
1582 }
1583
1584 void
1585 bond_ethdev_stop(struct rte_eth_dev *eth_dev)
1586 {
1587         struct bond_dev_private *internals = eth_dev->data->dev_private;
1588         uint8_t i;
1589
1590         if (internals->mode == BONDING_MODE_8023AD) {
1591                 struct port *port;
1592                 void *pkt = NULL;
1593
1594                 bond_mode_8023ad_stop(eth_dev);
1595
1596                 /* Discard all messages to/from mode 4 state machines */
1597                 for (i = 0; i < internals->active_slave_count; i++) {
1598                         port = &mode_8023ad_ports[internals->active_slaves[i]];
1599
1600                         RTE_VERIFY(port->rx_ring != NULL);
1601                         while (rte_ring_dequeue(port->rx_ring, &pkt) != -ENOENT)
1602                                 rte_pktmbuf_free(pkt);
1603
1604                         RTE_VERIFY(port->tx_ring != NULL);
1605                         while (rte_ring_dequeue(port->tx_ring, &pkt) != -ENOENT)
1606                                 rte_pktmbuf_free(pkt);
1607                 }
1608         }
1609
1610         if (internals->mode == BONDING_MODE_TLB ||
1611                         internals->mode == BONDING_MODE_ALB) {
1612                 bond_tlb_disable(internals);
1613                 for (i = 0; i < internals->active_slave_count; i++)
1614                         tlb_last_obytets[internals->active_slaves[i]] = 0;
1615         }
1616
1617         internals->active_slave_count = 0;
1618         internals->link_status_polling_enabled = 0;
1619
1620         eth_dev->data->dev_link.link_status = 0;
1621         eth_dev->data->dev_started = 0;
1622 }
1623
1624 void
1625 bond_ethdev_close(struct rte_eth_dev *dev)
1626 {
1627         bond_ethdev_free_queues(dev);
1628 }
1629
1630 /* forward declaration */
1631 static int bond_ethdev_configure(struct rte_eth_dev *dev);
1632
1633 static void
1634 bond_ethdev_info(struct rte_eth_dev *dev, struct rte_eth_dev_info *dev_info)
1635 {
1636         struct bond_dev_private *internals = dev->data->dev_private;
1637
1638         dev_info->max_mac_addrs = 1;
1639
1640         dev_info->max_rx_pktlen = (uint32_t)2048;
1641
1642         dev_info->max_rx_queues = (uint16_t)128;
1643         dev_info->max_tx_queues = (uint16_t)512;
1644
1645         dev_info->min_rx_bufsize = 0;
1646         dev_info->pci_dev = NULL;
1647
1648         dev_info->rx_offload_capa = internals->rx_offload_capa;
1649         dev_info->tx_offload_capa = internals->tx_offload_capa;
1650         dev_info->flow_type_rss_offloads = internals->flow_type_rss_offloads;
1651
1652         dev_info->reta_size = internals->reta_size;
1653 }
1654
1655 static int
1656 bond_ethdev_rx_queue_setup(struct rte_eth_dev *dev, uint16_t rx_queue_id,
1657                 uint16_t nb_rx_desc, unsigned int socket_id __rte_unused,
1658                 const struct rte_eth_rxconf *rx_conf, struct rte_mempool *mb_pool)
1659 {
1660         struct bond_rx_queue *bd_rx_q = (struct bond_rx_queue *)
1661                         rte_zmalloc_socket(NULL, sizeof(struct bond_rx_queue),
1662                                         0, dev->data->numa_node);
1663         if (bd_rx_q == NULL)
1664                 return -1;
1665
1666         bd_rx_q->queue_id = rx_queue_id;
1667         bd_rx_q->dev_private = dev->data->dev_private;
1668
1669         bd_rx_q->nb_rx_desc = nb_rx_desc;
1670
1671         memcpy(&(bd_rx_q->rx_conf), rx_conf, sizeof(struct rte_eth_rxconf));
1672         bd_rx_q->mb_pool = mb_pool;
1673
1674         dev->data->rx_queues[rx_queue_id] = bd_rx_q;
1675
1676         return 0;
1677 }
1678
1679 static int
1680 bond_ethdev_tx_queue_setup(struct rte_eth_dev *dev, uint16_t tx_queue_id,
1681                 uint16_t nb_tx_desc, unsigned int socket_id __rte_unused,
1682                 const struct rte_eth_txconf *tx_conf)
1683 {
1684         struct bond_tx_queue *bd_tx_q  = (struct bond_tx_queue *)
1685                         rte_zmalloc_socket(NULL, sizeof(struct bond_tx_queue),
1686                                         0, dev->data->numa_node);
1687
1688         if (bd_tx_q == NULL)
1689                 return -1;
1690
1691         bd_tx_q->queue_id = tx_queue_id;
1692         bd_tx_q->dev_private = dev->data->dev_private;
1693
1694         bd_tx_q->nb_tx_desc = nb_tx_desc;
1695         memcpy(&(bd_tx_q->tx_conf), tx_conf, sizeof(bd_tx_q->tx_conf));
1696
1697         dev->data->tx_queues[tx_queue_id] = bd_tx_q;
1698
1699         return 0;
1700 }
1701
1702 static void
1703 bond_ethdev_rx_queue_release(void *queue)
1704 {
1705         if (queue == NULL)
1706                 return;
1707
1708         rte_free(queue);
1709 }
1710
1711 static void
1712 bond_ethdev_tx_queue_release(void *queue)
1713 {
1714         if (queue == NULL)
1715                 return;
1716
1717         rte_free(queue);
1718 }
1719
1720 static void
1721 bond_ethdev_slave_link_status_change_monitor(void *cb_arg)
1722 {
1723         struct rte_eth_dev *bonded_ethdev, *slave_ethdev;
1724         struct bond_dev_private *internals;
1725
1726         /* Default value for polling slave found is true as we don't want to
1727          * disable the polling thread if we cannot get the lock */
1728         int i, polling_slave_found = 1;
1729
1730         if (cb_arg == NULL)
1731                 return;
1732
1733         bonded_ethdev = (struct rte_eth_dev *)cb_arg;
1734         internals = (struct bond_dev_private *)bonded_ethdev->data->dev_private;
1735
1736         if (!bonded_ethdev->data->dev_started ||
1737                 !internals->link_status_polling_enabled)
1738                 return;
1739
1740         /* If device is currently being configured then don't check slaves link
1741          * status, wait until next period */
1742         if (rte_spinlock_trylock(&internals->lock)) {
1743                 if (internals->slave_count > 0)
1744                         polling_slave_found = 0;
1745
1746                 for (i = 0; i < internals->slave_count; i++) {
1747                         if (!internals->slaves[i].link_status_poll_enabled)
1748                                 continue;
1749
1750                         slave_ethdev = &rte_eth_devices[internals->slaves[i].port_id];
1751                         polling_slave_found = 1;
1752
1753                         /* Update slave link status */
1754                         (*slave_ethdev->dev_ops->link_update)(slave_ethdev,
1755                                         internals->slaves[i].link_status_wait_to_complete);
1756
1757                         /* if link status has changed since last checked then call lsc
1758                          * event callback */
1759                         if (slave_ethdev->data->dev_link.link_status !=
1760                                         internals->slaves[i].last_link_status) {
1761                                 internals->slaves[i].last_link_status =
1762                                                 slave_ethdev->data->dev_link.link_status;
1763
1764                                 bond_ethdev_lsc_event_callback(internals->slaves[i].port_id,
1765                                                 RTE_ETH_EVENT_INTR_LSC,
1766                                                 &bonded_ethdev->data->port_id);
1767                         }
1768                 }
1769                 rte_spinlock_unlock(&internals->lock);
1770         }
1771
1772         if (polling_slave_found)
1773                 /* Set alarm to continue monitoring link status of slave ethdev's */
1774                 rte_eal_alarm_set(internals->link_status_polling_interval_ms * 1000,
1775                                 bond_ethdev_slave_link_status_change_monitor, cb_arg);
1776 }
1777
1778 static int
1779 bond_ethdev_link_update(struct rte_eth_dev *bonded_eth_dev,
1780                 int wait_to_complete)
1781 {
1782         struct bond_dev_private *internals = bonded_eth_dev->data->dev_private;
1783
1784         if (!bonded_eth_dev->data->dev_started ||
1785                 internals->active_slave_count == 0) {
1786                 bonded_eth_dev->data->dev_link.link_status = 0;
1787                 return 0;
1788         } else {
1789                 struct rte_eth_dev *slave_eth_dev;
1790                 int i, link_up = 0;
1791
1792                 for (i = 0; i < internals->active_slave_count; i++) {
1793                         slave_eth_dev = &rte_eth_devices[internals->active_slaves[i]];
1794
1795                         (*slave_eth_dev->dev_ops->link_update)(slave_eth_dev,
1796                                         wait_to_complete);
1797                         if (slave_eth_dev->data->dev_link.link_status == 1) {
1798                                 link_up = 1;
1799                                 break;
1800                         }
1801                 }
1802
1803                 bonded_eth_dev->data->dev_link.link_status = link_up;
1804         }
1805
1806         return 0;
1807 }
1808
1809 static void
1810 bond_ethdev_stats_get(struct rte_eth_dev *dev, struct rte_eth_stats *stats)
1811 {
1812         struct bond_dev_private *internals = dev->data->dev_private;
1813         struct rte_eth_stats slave_stats;
1814         int i, j;
1815
1816         for (i = 0; i < internals->slave_count; i++) {
1817                 rte_eth_stats_get(internals->slaves[i].port_id, &slave_stats);
1818
1819                 stats->ipackets += slave_stats.ipackets;
1820                 stats->opackets += slave_stats.opackets;
1821                 stats->ibytes += slave_stats.ibytes;
1822                 stats->obytes += slave_stats.obytes;
1823                 stats->imissed += slave_stats.imissed;
1824                 stats->ierrors += slave_stats.ierrors;
1825                 stats->oerrors += slave_stats.oerrors;
1826                 stats->imcasts += slave_stats.imcasts;
1827                 stats->rx_nombuf += slave_stats.rx_nombuf;
1828
1829                 for (j = 0; j < RTE_ETHDEV_QUEUE_STAT_CNTRS; j++) {
1830                         stats->q_ipackets[j] += slave_stats.q_ipackets[j];
1831                         stats->q_opackets[j] += slave_stats.q_opackets[j];
1832                         stats->q_ibytes[j] += slave_stats.q_ibytes[j];
1833                         stats->q_obytes[j] += slave_stats.q_obytes[j];
1834                         stats->q_errors[j] += slave_stats.q_errors[j];
1835                 }
1836
1837         }
1838 }
1839
1840 static void
1841 bond_ethdev_stats_reset(struct rte_eth_dev *dev)
1842 {
1843         struct bond_dev_private *internals = dev->data->dev_private;
1844         int i;
1845
1846         for (i = 0; i < internals->slave_count; i++)
1847                 rte_eth_stats_reset(internals->slaves[i].port_id);
1848 }
1849
1850 static void
1851 bond_ethdev_promiscuous_enable(struct rte_eth_dev *eth_dev)
1852 {
1853         struct bond_dev_private *internals = eth_dev->data->dev_private;
1854         int i;
1855
1856         internals->promiscuous_en = 1;
1857
1858         switch (internals->mode) {
1859         /* Promiscuous mode is propagated to all slaves */
1860         case BONDING_MODE_ROUND_ROBIN:
1861         case BONDING_MODE_BALANCE:
1862         case BONDING_MODE_BROADCAST:
1863                 for (i = 0; i < internals->slave_count; i++)
1864                         rte_eth_promiscuous_enable(internals->slaves[i].port_id);
1865                 break;
1866         /* In mode4 promiscus mode is managed when slave is added/removed */
1867         case BONDING_MODE_8023AD:
1868                 break;
1869         /* Promiscuous mode is propagated only to primary slave */
1870         case BONDING_MODE_ACTIVE_BACKUP:
1871         case BONDING_MODE_TLB:
1872         case BONDING_MODE_ALB:
1873         default:
1874                 rte_eth_promiscuous_enable(internals->current_primary_port);
1875         }
1876 }
1877
1878 static void
1879 bond_ethdev_promiscuous_disable(struct rte_eth_dev *dev)
1880 {
1881         struct bond_dev_private *internals = dev->data->dev_private;
1882         int i;
1883
1884         internals->promiscuous_en = 0;
1885
1886         switch (internals->mode) {
1887         /* Promiscuous mode is propagated to all slaves */
1888         case BONDING_MODE_ROUND_ROBIN:
1889         case BONDING_MODE_BALANCE:
1890         case BONDING_MODE_BROADCAST:
1891                 for (i = 0; i < internals->slave_count; i++)
1892                         rte_eth_promiscuous_disable(internals->slaves[i].port_id);
1893                 break;
1894         /* In mode4 promiscus mode is set managed when slave is added/removed */
1895         case BONDING_MODE_8023AD:
1896                 break;
1897         /* Promiscuous mode is propagated only to primary slave */
1898         case BONDING_MODE_ACTIVE_BACKUP:
1899         case BONDING_MODE_TLB:
1900         case BONDING_MODE_ALB:
1901         default:
1902                 rte_eth_promiscuous_disable(internals->current_primary_port);
1903         }
1904 }
1905
1906 static void
1907 bond_ethdev_delayed_lsc_propagation(void *arg)
1908 {
1909         if (arg == NULL)
1910                 return;
1911
1912         _rte_eth_dev_callback_process((struct rte_eth_dev *)arg,
1913                         RTE_ETH_EVENT_INTR_LSC);
1914 }
1915
1916 void
1917 bond_ethdev_lsc_event_callback(uint8_t port_id, enum rte_eth_event_type type,
1918                 void *param)
1919 {
1920         struct rte_eth_dev *bonded_eth_dev, *slave_eth_dev;
1921         struct bond_dev_private *internals;
1922         struct rte_eth_link link;
1923
1924         int i, valid_slave = 0;
1925         uint8_t active_pos;
1926         uint8_t lsc_flag = 0;
1927
1928         if (type != RTE_ETH_EVENT_INTR_LSC || param == NULL)
1929                 return;
1930
1931         bonded_eth_dev = &rte_eth_devices[*(uint8_t *)param];
1932         slave_eth_dev = &rte_eth_devices[port_id];
1933
1934         if (check_for_bonded_ethdev(bonded_eth_dev))
1935                 return;
1936
1937         internals = bonded_eth_dev->data->dev_private;
1938
1939         /* If the device isn't started don't handle interrupts */
1940         if (!bonded_eth_dev->data->dev_started)
1941                 return;
1942
1943         /* verify that port_id is a valid slave of bonded port */
1944         for (i = 0; i < internals->slave_count; i++) {
1945                 if (internals->slaves[i].port_id == port_id) {
1946                         valid_slave = 1;
1947                         break;
1948                 }
1949         }
1950
1951         if (!valid_slave)
1952                 return;
1953
1954         /* Search for port in active port list */
1955         active_pos = find_slave_by_id(internals->active_slaves,
1956                         internals->active_slave_count, port_id);
1957
1958         rte_eth_link_get_nowait(port_id, &link);
1959         if (link.link_status) {
1960                 if (active_pos < internals->active_slave_count)
1961                         return;
1962
1963                 /* if no active slave ports then set this port to be primary port */
1964                 if (internals->active_slave_count < 1) {
1965                         /* If first active slave, then change link status */
1966                         bonded_eth_dev->data->dev_link.link_status = 1;
1967                         internals->current_primary_port = port_id;
1968                         lsc_flag = 1;
1969
1970                         mac_address_slaves_update(bonded_eth_dev);
1971
1972                         /* Inherit eth dev link properties from first active slave */
1973                         link_properties_set(bonded_eth_dev,
1974                                         &(slave_eth_dev->data->dev_link));
1975                 }
1976
1977                 activate_slave(bonded_eth_dev, port_id);
1978
1979                 /* If user has defined the primary port then default to using it */
1980                 if (internals->user_defined_primary_port &&
1981                                 internals->primary_port == port_id)
1982                         bond_ethdev_primary_set(internals, port_id);
1983         } else {
1984                 if (active_pos == internals->active_slave_count)
1985                         return;
1986
1987                 /* Remove from active slave list */
1988                 deactivate_slave(bonded_eth_dev, port_id);
1989
1990                 /* No active slaves, change link status to down and reset other
1991                  * link properties */
1992                 if (internals->active_slave_count < 1) {
1993                         lsc_flag = 1;
1994                         bonded_eth_dev->data->dev_link.link_status = 0;
1995
1996                         link_properties_reset(bonded_eth_dev);
1997                 }
1998
1999                 /* Update primary id, take first active slave from list or if none
2000                  * available set to -1 */
2001                 if (port_id == internals->current_primary_port) {
2002                         if (internals->active_slave_count > 0)
2003                                 bond_ethdev_primary_set(internals,
2004                                                 internals->active_slaves[0]);
2005                         else
2006                                 internals->current_primary_port = internals->primary_port;
2007                 }
2008         }
2009
2010         if (lsc_flag) {
2011                 /* Cancel any possible outstanding interrupts if delays are enabled */
2012                 if (internals->link_up_delay_ms > 0 ||
2013                         internals->link_down_delay_ms > 0)
2014                         rte_eal_alarm_cancel(bond_ethdev_delayed_lsc_propagation,
2015                                         bonded_eth_dev);
2016
2017                 if (bonded_eth_dev->data->dev_link.link_status) {
2018                         if (internals->link_up_delay_ms > 0)
2019                                 rte_eal_alarm_set(internals->link_up_delay_ms * 1000,
2020                                                 bond_ethdev_delayed_lsc_propagation,
2021                                                 (void *)bonded_eth_dev);
2022                         else
2023                                 _rte_eth_dev_callback_process(bonded_eth_dev,
2024                                                 RTE_ETH_EVENT_INTR_LSC);
2025
2026                 } else {
2027                         if (internals->link_down_delay_ms > 0)
2028                                 rte_eal_alarm_set(internals->link_down_delay_ms * 1000,
2029                                                 bond_ethdev_delayed_lsc_propagation,
2030                                                 (void *)bonded_eth_dev);
2031                         else
2032                                 _rte_eth_dev_callback_process(bonded_eth_dev,
2033                                                 RTE_ETH_EVENT_INTR_LSC);
2034                 }
2035         }
2036 }
2037
2038 static int
2039 bond_ethdev_rss_reta_update(struct rte_eth_dev *dev,
2040                 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
2041 {
2042         unsigned i, j;
2043         int result = 0;
2044         int slave_reta_size;
2045         unsigned reta_count;
2046         struct bond_dev_private *internals = dev->data->dev_private;
2047
2048         if (reta_size != internals->reta_size)
2049                 return -EINVAL;
2050
2051          /* Copy RETA table */
2052         reta_count = reta_size / RTE_RETA_GROUP_SIZE;
2053
2054         for (i = 0; i < reta_count; i++) {
2055                 internals->reta_conf[i].mask = reta_conf[i].mask;
2056                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
2057                         if ((reta_conf[i].mask >> j) & 0x01)
2058                                 internals->reta_conf[i].reta[j] = reta_conf[i].reta[j];
2059         }
2060
2061         /* Fill rest of array */
2062         for (; i < RTE_DIM(internals->reta_conf); i += reta_count)
2063                 memcpy(&internals->reta_conf[i], &internals->reta_conf[0],
2064                                 sizeof(internals->reta_conf[0]) * reta_count);
2065
2066         /* Propagate RETA over slaves */
2067         for (i = 0; i < internals->slave_count; i++) {
2068                 slave_reta_size = internals->slaves[i].reta_size;
2069                 result = rte_eth_dev_rss_reta_update(internals->slaves[i].port_id,
2070                                 &internals->reta_conf[0], slave_reta_size);
2071                 if (result < 0)
2072                         return result;
2073         }
2074
2075         return 0;
2076 }
2077
2078 static int
2079 bond_ethdev_rss_reta_query(struct rte_eth_dev *dev,
2080                 struct rte_eth_rss_reta_entry64 *reta_conf, uint16_t reta_size)
2081 {
2082         int i, j;
2083         struct bond_dev_private *internals = dev->data->dev_private;
2084
2085         if (reta_size != internals->reta_size)
2086                 return -EINVAL;
2087
2088          /* Copy RETA table */
2089         for (i = 0; i < reta_size / RTE_RETA_GROUP_SIZE; i++)
2090                 for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
2091                         if ((reta_conf[i].mask >> j) & 0x01)
2092                                 reta_conf[i].reta[j] = internals->reta_conf[i].reta[j];
2093
2094         return 0;
2095 }
2096
2097 static int
2098 bond_ethdev_rss_hash_update(struct rte_eth_dev *dev,
2099                 struct rte_eth_rss_conf *rss_conf)
2100 {
2101         int i, result = 0;
2102         struct bond_dev_private *internals = dev->data->dev_private;
2103         struct rte_eth_rss_conf bond_rss_conf;
2104
2105         memcpy(&bond_rss_conf, rss_conf, sizeof(struct rte_eth_rss_conf));
2106
2107         bond_rss_conf.rss_hf &= internals->flow_type_rss_offloads;
2108
2109         if (bond_rss_conf.rss_hf != 0)
2110                 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf = bond_rss_conf.rss_hf;
2111
2112         if (bond_rss_conf.rss_key && bond_rss_conf.rss_key_len <
2113                         sizeof(internals->rss_key)) {
2114                 if (bond_rss_conf.rss_key_len == 0)
2115                         bond_rss_conf.rss_key_len = 40;
2116                 internals->rss_key_len = bond_rss_conf.rss_key_len;
2117                 memcpy(internals->rss_key, bond_rss_conf.rss_key,
2118                                 internals->rss_key_len);
2119         }
2120
2121         for (i = 0; i < internals->slave_count; i++) {
2122                 result = rte_eth_dev_rss_hash_update(internals->slaves[i].port_id,
2123                                 &bond_rss_conf);
2124                 if (result < 0)
2125                         return result;
2126         }
2127
2128         return 0;
2129 }
2130
2131 static int
2132 bond_ethdev_rss_hash_conf_get(struct rte_eth_dev *dev,
2133                 struct rte_eth_rss_conf *rss_conf)
2134 {
2135         struct bond_dev_private *internals = dev->data->dev_private;
2136
2137         rss_conf->rss_hf = dev->data->dev_conf.rx_adv_conf.rss_conf.rss_hf;
2138         rss_conf->rss_key_len = internals->rss_key_len;
2139         if (rss_conf->rss_key)
2140                 memcpy(rss_conf->rss_key, internals->rss_key, internals->rss_key_len);
2141
2142         return 0;
2143 }
2144
2145 struct eth_dev_ops default_dev_ops = {
2146                 .dev_start            = bond_ethdev_start,
2147                 .dev_stop             = bond_ethdev_stop,
2148                 .dev_close            = bond_ethdev_close,
2149                 .dev_configure        = bond_ethdev_configure,
2150                 .dev_infos_get        = bond_ethdev_info,
2151                 .rx_queue_setup       = bond_ethdev_rx_queue_setup,
2152                 .tx_queue_setup       = bond_ethdev_tx_queue_setup,
2153                 .rx_queue_release     = bond_ethdev_rx_queue_release,
2154                 .tx_queue_release     = bond_ethdev_tx_queue_release,
2155                 .link_update          = bond_ethdev_link_update,
2156                 .stats_get            = bond_ethdev_stats_get,
2157                 .stats_reset          = bond_ethdev_stats_reset,
2158                 .promiscuous_enable   = bond_ethdev_promiscuous_enable,
2159                 .promiscuous_disable  = bond_ethdev_promiscuous_disable,
2160                 .reta_update          = bond_ethdev_rss_reta_update,
2161                 .reta_query           = bond_ethdev_rss_reta_query,
2162                 .rss_hash_update      = bond_ethdev_rss_hash_update,
2163                 .rss_hash_conf_get    = bond_ethdev_rss_hash_conf_get
2164 };
2165
2166 static int
2167 bond_init(const char *name, const char *params)
2168 {
2169         struct bond_dev_private *internals;
2170         struct rte_kvargs *kvlist;
2171         uint8_t bonding_mode, socket_id;
2172         int  arg_count, port_id;
2173
2174         RTE_LOG(INFO, EAL, "Initializing pmd_bond for %s\n", name);
2175
2176         kvlist = rte_kvargs_parse(params, pmd_bond_init_valid_arguments);
2177         if (kvlist == NULL)
2178                 return -1;
2179
2180         /* Parse link bonding mode */
2181         if (rte_kvargs_count(kvlist, PMD_BOND_MODE_KVARG) == 1) {
2182                 if (rte_kvargs_process(kvlist, PMD_BOND_MODE_KVARG,
2183                                 &bond_ethdev_parse_slave_mode_kvarg,
2184                                 &bonding_mode) != 0) {
2185                         RTE_LOG(ERR, EAL, "Invalid mode for bonded device %s\n",
2186                                         name);
2187                         goto parse_error;
2188                 }
2189         } else {
2190                 RTE_LOG(ERR, EAL, "Mode must be specified only once for bonded "
2191                                 "device %s\n", name);
2192                 goto parse_error;
2193         }
2194
2195         /* Parse socket id to create bonding device on */
2196         arg_count = rte_kvargs_count(kvlist, PMD_BOND_SOCKET_ID_KVARG);
2197         if (arg_count == 1) {
2198                 if (rte_kvargs_process(kvlist, PMD_BOND_SOCKET_ID_KVARG,
2199                                 &bond_ethdev_parse_socket_id_kvarg, &socket_id)
2200                                 != 0) {
2201                         RTE_LOG(ERR, EAL, "Invalid socket Id specified for "
2202                                         "bonded device %s\n", name);
2203                         goto parse_error;
2204                 }
2205         } else if (arg_count > 1) {
2206                 RTE_LOG(ERR, EAL, "Socket Id can be specified only once for "
2207                                 "bonded device %s\n", name);
2208                 goto parse_error;
2209         } else {
2210                 socket_id = rte_socket_id();
2211         }
2212
2213         /* Create link bonding eth device */
2214         port_id = rte_eth_bond_create(name, bonding_mode, socket_id);
2215         if (port_id < 0) {
2216                 RTE_LOG(ERR, EAL, "Failed to create socket %s in mode %u on "
2217                                 "socket %u.\n", name, bonding_mode, socket_id);
2218                 goto parse_error;
2219         }
2220         internals = rte_eth_devices[port_id].data->dev_private;
2221         internals->kvlist = kvlist;
2222
2223         RTE_LOG(INFO, EAL, "Create bonded device %s on port %d in mode %u on "
2224                         "socket %u.\n", name, port_id, bonding_mode, socket_id);
2225         return 0;
2226
2227 parse_error:
2228         rte_kvargs_free(kvlist);
2229
2230         return -1;
2231 }
2232
2233 static int
2234 bond_uninit(const char *name)
2235 {
2236         int  ret;
2237
2238         if (name == NULL)
2239                 return -EINVAL;
2240
2241         RTE_LOG(INFO, EAL, "Uninitializing pmd_bond for %s\n", name);
2242
2243         /* free link bonding eth device */
2244         ret = rte_eth_bond_free(name);
2245         if (ret < 0)
2246                 RTE_LOG(ERR, EAL, "Failed to free %s\n", name);
2247
2248         return ret;
2249 }
2250
2251 /* this part will resolve the slave portids after all the other pdev and vdev
2252  * have been allocated */
2253 static int
2254 bond_ethdev_configure(struct rte_eth_dev *dev)
2255 {
2256         char *name = dev->data->name;
2257         struct bond_dev_private *internals = dev->data->dev_private;
2258         struct rte_kvargs *kvlist = internals->kvlist;
2259         int arg_count;
2260         uint8_t port_id = dev - rte_eth_devices;
2261
2262         static const uint8_t default_rss_key[40] = {
2263                 0x6D, 0x5A, 0x56, 0xDA, 0x25, 0x5B, 0x0E, 0xC2, 0x41, 0x67, 0x25, 0x3D,
2264                 0x43, 0xA3, 0x8F, 0xB0, 0xD0, 0xCA, 0x2B, 0xCB, 0xAE, 0x7B, 0x30, 0xB4,
2265                 0x77, 0xCB, 0x2D, 0xA3, 0x80, 0x30, 0xF2, 0x0C, 0x6A, 0x42, 0xB7, 0x3B,
2266                 0xBE, 0xAC, 0x01, 0xFA
2267         };
2268
2269         unsigned i, j;
2270
2271         /* If RSS is enabled, fill table and key with default values */
2272         if (dev->data->dev_conf.rxmode.mq_mode & ETH_MQ_RX_RSS) {
2273                 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key = internals->rss_key;
2274                 dev->data->dev_conf.rx_adv_conf.rss_conf.rss_key_len = 0;
2275                 memcpy(internals->rss_key, default_rss_key, 40);
2276
2277                 for (i = 0; i < RTE_DIM(internals->reta_conf); i++) {
2278                         internals->reta_conf[i].mask = ~0LL;
2279                         for (j = 0; j < RTE_RETA_GROUP_SIZE; j++)
2280                                 internals->reta_conf[i].reta[j] = j % dev->data->nb_rx_queues;
2281                 }
2282         }
2283
2284         /*
2285          * if no kvlist, it means that this bonded device has been created
2286          * through the bonding api.
2287          */
2288         if (!kvlist)
2289                 return 0;
2290
2291         /* Parse MAC address for bonded device */
2292         arg_count = rte_kvargs_count(kvlist, PMD_BOND_MAC_ADDR_KVARG);
2293         if (arg_count == 1) {
2294                 struct ether_addr bond_mac;
2295
2296                 if (rte_kvargs_process(kvlist, PMD_BOND_MAC_ADDR_KVARG,
2297                                 &bond_ethdev_parse_bond_mac_addr_kvarg, &bond_mac) < 0) {
2298                         RTE_LOG(INFO, EAL, "Invalid mac address for bonded device %s\n",
2299                                         name);
2300                         return -1;
2301                 }
2302
2303                 /* Set MAC address */
2304                 if (rte_eth_bond_mac_address_set(port_id, &bond_mac) != 0) {
2305                         RTE_LOG(ERR, EAL,
2306                                         "Failed to set mac address on bonded device %s\n",
2307                                         name);
2308                         return -1;
2309                 }
2310         } else if (arg_count > 1) {
2311                 RTE_LOG(ERR, EAL,
2312                                 "MAC address can be specified only once for bonded device %s\n",
2313                                 name);
2314                 return -1;
2315         }
2316
2317         /* Parse/set balance mode transmit policy */
2318         arg_count = rte_kvargs_count(kvlist, PMD_BOND_XMIT_POLICY_KVARG);
2319         if (arg_count == 1) {
2320                 uint8_t xmit_policy;
2321
2322                 if (rte_kvargs_process(kvlist, PMD_BOND_XMIT_POLICY_KVARG,
2323                                 &bond_ethdev_parse_balance_xmit_policy_kvarg, &xmit_policy) !=
2324                                                 0) {
2325                         RTE_LOG(INFO, EAL,
2326                                         "Invalid xmit policy specified for bonded device %s\n",
2327                                         name);
2328                         return -1;
2329                 }
2330
2331                 /* Set balance mode transmit policy*/
2332                 if (rte_eth_bond_xmit_policy_set(port_id, xmit_policy) != 0) {
2333                         RTE_LOG(ERR, EAL,
2334                                         "Failed to set balance xmit policy on bonded device %s\n",
2335                                         name);
2336                         return -1;
2337                 }
2338         } else if (arg_count > 1) {
2339                 RTE_LOG(ERR, EAL,
2340                                 "Transmit policy can be specified only once for bonded device"
2341                                 " %s\n", name);
2342                 return -1;
2343         }
2344
2345         /* Parse/add slave ports to bonded device */
2346         if (rte_kvargs_count(kvlist, PMD_BOND_SLAVE_PORT_KVARG) > 0) {
2347                 struct bond_ethdev_slave_ports slave_ports;
2348                 unsigned i;
2349
2350                 memset(&slave_ports, 0, sizeof(slave_ports));
2351
2352                 if (rte_kvargs_process(kvlist, PMD_BOND_SLAVE_PORT_KVARG,
2353                                 &bond_ethdev_parse_slave_port_kvarg, &slave_ports) != 0) {
2354                         RTE_LOG(ERR, EAL,
2355                                         "Failed to parse slave ports for bonded device %s\n",
2356                                         name);
2357                         return -1;
2358                 }
2359
2360                 for (i = 0; i < slave_ports.slave_count; i++) {
2361                         if (rte_eth_bond_slave_add(port_id, slave_ports.slaves[i]) != 0) {
2362                                 RTE_LOG(ERR, EAL,
2363                                                 "Failed to add port %d as slave to bonded device %s\n",
2364                                                 slave_ports.slaves[i], name);
2365                         }
2366                 }
2367
2368         } else {
2369                 RTE_LOG(INFO, EAL, "No slaves specified for bonded device %s\n", name);
2370                 return -1;
2371         }
2372
2373         /* Parse/set primary slave port id*/
2374         arg_count = rte_kvargs_count(kvlist, PMD_BOND_PRIMARY_SLAVE_KVARG);
2375         if (arg_count == 1) {
2376                 uint8_t primary_slave_port_id;
2377
2378                 if (rte_kvargs_process(kvlist,
2379                                 PMD_BOND_PRIMARY_SLAVE_KVARG,
2380                                 &bond_ethdev_parse_primary_slave_port_id_kvarg,
2381                                 &primary_slave_port_id) < 0) {
2382                         RTE_LOG(INFO, EAL,
2383                                         "Invalid primary slave port id specified for bonded device"
2384                                         " %s\n", name);
2385                         return -1;
2386                 }
2387
2388                 /* Set balance mode transmit policy*/
2389                 if (rte_eth_bond_primary_set(port_id, (uint8_t)primary_slave_port_id)
2390                                 != 0) {
2391                         RTE_LOG(ERR, EAL,
2392                                         "Failed to set primary slave port %d on bonded device %s\n",
2393                                         primary_slave_port_id, name);
2394                         return -1;
2395                 }
2396         } else if (arg_count > 1) {
2397                 RTE_LOG(INFO, EAL,
2398                                 "Primary slave can be specified only once for bonded device"
2399                                 " %s\n", name);
2400                 return -1;
2401         }
2402
2403         /* Parse link status monitor polling interval */
2404         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LSC_POLL_PERIOD_KVARG);
2405         if (arg_count == 1) {
2406                 uint32_t lsc_poll_interval_ms;
2407
2408                 if (rte_kvargs_process(kvlist,
2409                                 PMD_BOND_LSC_POLL_PERIOD_KVARG,
2410                                 &bond_ethdev_parse_time_ms_kvarg,
2411                                 &lsc_poll_interval_ms) < 0) {
2412                         RTE_LOG(INFO, EAL,
2413                                         "Invalid lsc polling interval value specified for bonded"
2414                                         " device %s\n", name);
2415                         return -1;
2416                 }
2417
2418                 if (rte_eth_bond_link_monitoring_set(port_id, lsc_poll_interval_ms)
2419                                 != 0) {
2420                         RTE_LOG(ERR, EAL,
2421                                         "Failed to set lsc monitor polling interval (%u ms) on"
2422                                         " bonded device %s\n", lsc_poll_interval_ms, name);
2423                         return -1;
2424                 }
2425         } else if (arg_count > 1) {
2426                 RTE_LOG(INFO, EAL,
2427                                 "LSC polling interval can be specified only once for bonded"
2428                                 " device %s\n", name);
2429                 return -1;
2430         }
2431
2432         /* Parse link up interrupt propagation delay */
2433         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_UP_PROP_DELAY_KVARG);
2434         if (arg_count == 1) {
2435                 uint32_t link_up_delay_ms;
2436
2437                 if (rte_kvargs_process(kvlist,
2438                                 PMD_BOND_LINK_UP_PROP_DELAY_KVARG,
2439                                 &bond_ethdev_parse_time_ms_kvarg,
2440                                 &link_up_delay_ms) < 0) {
2441                         RTE_LOG(INFO, EAL,
2442                                         "Invalid link up propagation delay value specified for"
2443                                         " bonded device %s\n", name);
2444                         return -1;
2445                 }
2446
2447                 /* Set balance mode transmit policy*/
2448                 if (rte_eth_bond_link_up_prop_delay_set(port_id, link_up_delay_ms)
2449                                 != 0) {
2450                         RTE_LOG(ERR, EAL,
2451                                         "Failed to set link up propagation delay (%u ms) on bonded"
2452                                         " device %s\n", link_up_delay_ms, name);
2453                         return -1;
2454                 }
2455         } else if (arg_count > 1) {
2456                 RTE_LOG(INFO, EAL,
2457                                 "Link up propagation delay can be specified only once for"
2458                                 " bonded device %s\n", name);
2459                 return -1;
2460         }
2461
2462         /* Parse link down interrupt propagation delay */
2463         arg_count = rte_kvargs_count(kvlist, PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG);
2464         if (arg_count == 1) {
2465                 uint32_t link_down_delay_ms;
2466
2467                 if (rte_kvargs_process(kvlist,
2468                                 PMD_BOND_LINK_DOWN_PROP_DELAY_KVARG,
2469                                 &bond_ethdev_parse_time_ms_kvarg,
2470                                 &link_down_delay_ms) < 0) {
2471                         RTE_LOG(INFO, EAL,
2472                                         "Invalid link down propagation delay value specified for"
2473                                         " bonded device %s\n", name);
2474                         return -1;
2475                 }
2476
2477                 /* Set balance mode transmit policy*/
2478                 if (rte_eth_bond_link_down_prop_delay_set(port_id, link_down_delay_ms)
2479                                 != 0) {
2480                         RTE_LOG(ERR, EAL,
2481                                         "Failed to set link down propagation delay (%u ms) on"
2482                                         " bonded device %s\n", link_down_delay_ms, name);
2483                         return -1;
2484                 }
2485         } else if (arg_count > 1) {
2486                 RTE_LOG(INFO, EAL,
2487                                 "Link down propagation delay can be specified only once for"
2488                                 " bonded device %s\n", name);
2489                 return -1;
2490         }
2491
2492         return 0;
2493 }
2494
2495 static struct rte_driver bond_drv = {
2496         .name = "eth_bond",
2497         .type = PMD_VDEV,
2498         .init = bond_init,
2499         .uninit = bond_uninit,
2500 };
2501
2502 PMD_REGISTER_DRIVER(bond_drv);