examples/ipsec-secgw/ipsec-secgw.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2016 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
  34 #include <stdio.h>
  35 #include <stdlib.h>
  36 #include <stdint.h>
  37 #include <inttypes.h>
  38 #include <sys/types.h>
  39 #include <netinet/in.h>
  40 #include <netinet/ip.h>
  41 #include <netinet/ip6.h>
  42 #include <string.h>
  43 #include <sys/queue.h>
  44 #include <stdarg.h>
  45 #include <errno.h>
  46 #include <getopt.h>
  47
  48 #include <rte_common.h>
  49 #include <rte_byteorder.h>
  50 #include <rte_log.h>
  51 #include <rte_eal.h>
  52 #include <rte_launch.h>
  53 #include <rte_atomic.h>
  54 #include <rte_cycles.h>
  55 #include <rte_prefetch.h>
  56 #include <rte_lcore.h>
  57 #include <rte_per_lcore.h>
  58 #include <rte_branch_prediction.h>
  59 #include <rte_interrupts.h>
  60 #include <rte_random.h>
  61 #include <rte_debug.h>
  62 #include <rte_ether.h>
  63 #include <rte_ethdev.h>
  64 #include <rte_mempool.h>
  65 #include <rte_mbuf.h>
  66 #include <rte_acl.h>
  67 #include <rte_lpm.h>
  68 #include <rte_lpm6.h>
  69 #include <rte_hash.h>
  70 #include <rte_jhash.h>
  71 #include <rte_cryptodev.h>
  72
  73 #include "ipsec.h"
  74 #include "parser.h"
  75
  76 #define RTE_LOGTYPE_IPSEC RTE_LOGTYPE_USER1
  77
  78 #define MAX_JUMBO_PKT_LEN  9600
  79
  80 #define MEMPOOL_CACHE_SIZE 256
  81
  82 #define NB_MBUF (32000)
  83
  84 #define CDEV_QUEUE_DESC 2048
  85 #define CDEV_MAP_ENTRIES 1024
  86 #define CDEV_MP_NB_OBJS 2048
  87 #define CDEV_MP_CACHE_SZ 64
  88 #define MAX_QUEUE_PAIRS 1
  89
  90 #define OPTION_CONFIG           "config"
  91 #define OPTION_SINGLE_SA        "single-sa"
  92
  93 #define BURST_TX_DRAIN_US 100 /* TX drain every ~100us */
  94
  95 #define NB_SOCKETS 4
  96
  97 /* Configure how many packets ahead to prefetch, when reading packets */
  98 #define PREFETCH_OFFSET 3
  99
 100 #define MAX_RX_QUEUE_PER_LCORE 16
 101
 102 #define MAX_LCORE_PARAMS 1024
 103
 104 #define UNPROTECTED_PORT(port) (unprotected_port_mask & (1 << portid))
 105
 106 /*
 107  * Configurable number of RX/TX ring descriptors
 108  */
 109 #define IPSEC_SECGW_RX_DESC_DEFAULT 128
 110 #define IPSEC_SECGW_TX_DESC_DEFAULT 512
 111 static uint16_t nb_rxd = IPSEC_SECGW_RX_DESC_DEFAULT;
 112 static uint16_t nb_txd = IPSEC_SECGW_TX_DESC_DEFAULT;
 113
 114 #if RTE_BYTE_ORDER != RTE_LITTLE_ENDIAN
 115 #define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
 116         (((uint64_t)((a) & 0xff) << 56) | \
 117         ((uint64_t)((b) & 0xff) << 48) | \
 118         ((uint64_t)((c) & 0xff) << 40) | \
 119         ((uint64_t)((d) & 0xff) << 32) | \
 120         ((uint64_t)((e) & 0xff) << 24) | \
 121         ((uint64_t)((f) & 0xff) << 16) | \
 122         ((uint64_t)((g) & 0xff) << 8)  | \
 123         ((uint64_t)(h) & 0xff))
 124 #else
 125 #define __BYTES_TO_UINT64(a, b, c, d, e, f, g, h) \
 126         (((uint64_t)((h) & 0xff) << 56) | \
 127         ((uint64_t)((g) & 0xff) << 48) | \
 128         ((uint64_t)((f) & 0xff) << 40) | \
 129         ((uint64_t)((e) & 0xff) << 32) | \
 130         ((uint64_t)((d) & 0xff) << 24) | \
 131         ((uint64_t)((c) & 0xff) << 16) | \
 132         ((uint64_t)((b) & 0xff) << 8) | \
 133         ((uint64_t)(a) & 0xff))
 134 #endif
 135 #define ETHADDR(a, b, c, d, e, f) (__BYTES_TO_UINT64(a, b, c, d, e, f, 0, 0))
 136
 137 #define ETHADDR_TO_UINT64(addr) __BYTES_TO_UINT64( \
 138                 addr.addr_bytes[0], addr.addr_bytes[1], \
 139                 addr.addr_bytes[2], addr.addr_bytes[3], \
 140                 addr.addr_bytes[4], addr.addr_bytes[5], \
 141                 0, 0)
 142
 143 /* port/source ethernet addr and destination ethernet addr */
 144 struct ethaddr_info {
 145         uint64_t src, dst;
 146 };
 147
 148 struct ethaddr_info ethaddr_tbl[RTE_MAX_ETHPORTS] = {
 149         { 0, ETHADDR(0x00, 0x16, 0x3e, 0x7e, 0x94, 0x9a) },
 150         { 0, ETHADDR(0x00, 0x16, 0x3e, 0x22, 0xa1, 0xd9) },
 151         { 0, ETHADDR(0x00, 0x16, 0x3e, 0x08, 0x69, 0x26) },
 152         { 0, ETHADDR(0x00, 0x16, 0x3e, 0x49, 0x9e, 0xdd) }
 153 };
 154
 155 /* mask of enabled ports */
 156 static uint32_t enabled_port_mask;
 157 static uint32_t unprotected_port_mask;
 158 static int32_t promiscuous_on = 1;
 159 static int32_t numa_on = 1; /**< NUMA is enabled by default. */
 160 static uint32_t nb_lcores;
 161 static uint32_t single_sa;
 162 static uint32_t single_sa_idx;
 163 static uint32_t frame_size;
 164
 165 struct lcore_rx_queue {
 166         uint16_t port_id;
 167         uint8_t queue_id;
 168 } __rte_cache_aligned;
 169
 170 struct lcore_params {
 171         uint16_t port_id;
 172         uint8_t queue_id;
 173         uint8_t lcore_id;
 174 } __rte_cache_aligned;
 175
 176 static struct lcore_params lcore_params_array[MAX_LCORE_PARAMS];
 177
 178 static struct lcore_params *lcore_params;
 179 static uint16_t nb_lcore_params;
 180
 181 static struct rte_hash *cdev_map_in;
 182 static struct rte_hash *cdev_map_out;
 183
 184 struct buffer {
 185         uint16_t len;
 186         struct rte_mbuf *m_table[MAX_PKT_BURST] __rte_aligned(sizeof(void *));
 187 };
 188
 189 struct lcore_conf {
 190         uint16_t nb_rx_queue;
 191         struct lcore_rx_queue rx_queue_list[MAX_RX_QUEUE_PER_LCORE];
 192         uint16_t tx_queue_id[RTE_MAX_ETHPORTS];
 193         struct buffer tx_mbufs[RTE_MAX_ETHPORTS];
 194         struct ipsec_ctx inbound;
 195         struct ipsec_ctx outbound;
 196         struct rt_ctx *rt4_ctx;
 197         struct rt_ctx *rt6_ctx;
 198 } __rte_cache_aligned;
 199
 200 static struct lcore_conf lcore_conf[RTE_MAX_LCORE];
 201
 202 static struct rte_eth_conf port_conf = {
 203         .rxmode = {
 204                 .mq_mode        = ETH_MQ_RX_RSS,
 205                 .max_rx_pkt_len = ETHER_MAX_LEN,
 206                 .split_hdr_size = 0,
 207                 .offloads = DEV_RX_OFFLOAD_CHECKSUM |
 208                             DEV_RX_OFFLOAD_CRC_STRIP,
 209                 .ignore_offload_bitfield = 1,
 210         },
 211         .rx_adv_conf = {
 212                 .rss_conf = {
 213                         .rss_key = NULL,
 214                         .rss_hf = ETH_RSS_IP | ETH_RSS_UDP |
 215                                 ETH_RSS_TCP | ETH_RSS_SCTP,
 216                 },
 217         },
 218         .txmode = {
 219                 .mq_mode = ETH_MQ_TX_NONE,
 220         },
 221 };
 222
 223 static struct socket_ctx socket_ctx[NB_SOCKETS];
 224
 225 struct traffic_type {
 226         const uint8_t *data[MAX_PKT_BURST * 2];
 227         struct rte_mbuf *pkts[MAX_PKT_BURST * 2];
 228         uint32_t res[MAX_PKT_BURST * 2];
 229         uint32_t num;
 230 };
 231
 232 struct ipsec_traffic {
 233         struct traffic_type ipsec;
 234         struct traffic_type ip4;
 235         struct traffic_type ip6;
 236 };
 237
 238 static inline void
 239 prepare_one_packet(struct rte_mbuf *pkt, struct ipsec_traffic *t)
 240 {
 241         uint8_t *nlp;
 242         struct ether_hdr *eth;
 243
 244         eth = rte_pktmbuf_mtod(pkt, struct ether_hdr *);
 245         if (eth->ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv4)) {
 246                 nlp = (uint8_t *)rte_pktmbuf_adj(pkt, ETHER_HDR_LEN);
 247                 nlp = RTE_PTR_ADD(nlp, offsetof(struct ip, ip_p));
 248                 if (*nlp == IPPROTO_ESP)
 249                         t->ipsec.pkts[(t->ipsec.num)++] = pkt;
 250                 else {
 251                         t->ip4.data[t->ip4.num] = nlp;
 252                         t->ip4.pkts[(t->ip4.num)++] = pkt;
 253                 }
 254         } else if (eth->ether_type == rte_cpu_to_be_16(ETHER_TYPE_IPv6)) {
 255                 nlp = (uint8_t *)rte_pktmbuf_adj(pkt, ETHER_HDR_LEN);
 256                 nlp = RTE_PTR_ADD(nlp, offsetof(struct ip6_hdr, ip6_nxt));
 257                 if (*nlp == IPPROTO_ESP)
 258                         t->ipsec.pkts[(t->ipsec.num)++] = pkt;
 259                 else {
 260                         t->ip6.data[t->ip6.num] = nlp;
 261                         t->ip6.pkts[(t->ip6.num)++] = pkt;
 262                 }
 263         } else {
 264                 /* Unknown/Unsupported type, drop the packet */
 265                 RTE_LOG(ERR, IPSEC, "Unsupported packet type\n");
 266                 rte_pktmbuf_free(pkt);
 267         }
 268 }
 269
 270 static inline void
 271 prepare_traffic(struct rte_mbuf **pkts, struct ipsec_traffic *t,
 272                 uint16_t nb_pkts)
 273 {
 274         int32_t i;
 275
 276         t->ipsec.num = 0;
 277         t->ip4.num = 0;
 278         t->ip6.num = 0;
 279
 280         for (i = 0; i < (nb_pkts - PREFETCH_OFFSET); i++) {
 281                 rte_prefetch0(rte_pktmbuf_mtod(pkts[i + PREFETCH_OFFSET],
 282                                         void *));
 283                 prepare_one_packet(pkts[i], t);
 284         }
 285         /* Process left packets */
 286         for (; i < nb_pkts; i++)
 287                 prepare_one_packet(pkts[i], t);
 288 }
 289
 290 static inline void
 291 prepare_tx_pkt(struct rte_mbuf *pkt, uint16_t port)
 292 {
 293         struct ip *ip;
 294         struct ether_hdr *ethhdr;
 295
 296         ip = rte_pktmbuf_mtod(pkt, struct ip *);
 297
 298         ethhdr = (struct ether_hdr *)rte_pktmbuf_prepend(pkt, ETHER_HDR_LEN);
 299
 300         if (ip->ip_v == IPVERSION) {
 301                 pkt->ol_flags |= PKT_TX_IP_CKSUM | PKT_TX_IPV4;
 302                 pkt->l3_len = sizeof(struct ip);
 303                 pkt->l2_len = ETHER_HDR_LEN;
 304
 305                 ethhdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv4);
 306         } else {
 307                 pkt->ol_flags |= PKT_TX_IPV6;
 308                 pkt->l3_len = sizeof(struct ip6_hdr);
 309                 pkt->l2_len = ETHER_HDR_LEN;
 310
 311                 ethhdr->ether_type = rte_cpu_to_be_16(ETHER_TYPE_IPv6);
 312         }
 313
 314         memcpy(&ethhdr->s_addr, &ethaddr_tbl[port].src,
 315                         sizeof(struct ether_addr));
 316         memcpy(&ethhdr->d_addr, &ethaddr_tbl[port].dst,
 317                         sizeof(struct ether_addr));
 318 }
 319
 320 static inline void
 321 prepare_tx_burst(struct rte_mbuf *pkts[], uint16_t nb_pkts, uint16_t port)
 322 {
 323         int32_t i;
 324         const int32_t prefetch_offset = 2;
 325
 326         for (i = 0; i < (nb_pkts - prefetch_offset); i++) {
 327                 rte_mbuf_prefetch_part2(pkts[i + prefetch_offset]);
 328                 prepare_tx_pkt(pkts[i], port);
 329         }
 330         /* Process left packets */
 331         for (; i < nb_pkts; i++)
 332                 prepare_tx_pkt(pkts[i], port);
 333 }
 334
 335 /* Send burst of packets on an output interface */
 336 static inline int32_t
 337 send_burst(struct lcore_conf *qconf, uint16_t n, uint16_t port)
 338 {
 339         struct rte_mbuf **m_table;
 340         int32_t ret;
 341         uint16_t queueid;
 342
 343         queueid = qconf->tx_queue_id[port];
 344         m_table = (struct rte_mbuf **)qconf->tx_mbufs[port].m_table;
 345
 346         prepare_tx_burst(m_table, n, port);
 347
 348         ret = rte_eth_tx_burst(port, queueid, m_table, n);
 349         if (unlikely(ret < n)) {
 350                 do {
 351                         rte_pktmbuf_free(m_table[ret]);
 352                 } while (++ret < n);
 353         }
 354
 355         return 0;
 356 }
 357
 358 /* Enqueue a single packet, and send burst if queue is filled */
 359 static inline int32_t
 360 send_single_packet(struct rte_mbuf *m, uint16_t port)
 361 {
 362         uint32_t lcore_id;
 363         uint16_t len;
 364         struct lcore_conf *qconf;
 365
 366         lcore_id = rte_lcore_id();
 367
 368         qconf = &lcore_conf[lcore_id];
 369         len = qconf->tx_mbufs[port].len;
 370         qconf->tx_mbufs[port].m_table[len] = m;
 371         len++;
 372
 373         /* enough pkts to be sent */
 374         if (unlikely(len == MAX_PKT_BURST)) {
 375                 send_burst(qconf, MAX_PKT_BURST, port);
 376                 len = 0;
 377         }
 378
 379         qconf->tx_mbufs[port].len = len;
 380         return 0;
 381 }
 382
 383 static inline void
 384 inbound_sp_sa(struct sp_ctx *sp, struct sa_ctx *sa, struct traffic_type *ip,
 385                 uint16_t lim)
 386 {
 387         struct rte_mbuf *m;
 388         uint32_t i, j, res, sa_idx;
 389
 390         if (ip->num == 0 || sp == NULL)
 391                 return;
 392
 393         rte_acl_classify((struct rte_acl_ctx *)sp, ip->data, ip->res,
 394                         ip->num, DEFAULT_MAX_CATEGORIES);
 395
 396         j = 0;
 397         for (i = 0; i < ip->num; i++) {
 398                 m = ip->pkts[i];
 399                 res = ip->res[i];
 400                 if (res & BYPASS) {
 401                         ip->pkts[j++] = m;
 402                         continue;
 403                 }
 404                 if (res & DISCARD || i < lim) {
 405                         rte_pktmbuf_free(m);
 406                         continue;
 407                 }
 408                 /* Only check SPI match for processed IPSec packets */
 409                 sa_idx = ip->res[i] & PROTECT_MASK;
 410                 if (sa_idx >= IPSEC_SA_MAX_ENTRIES ||
 411                                 !inbound_sa_check(sa, m, sa_idx)) {
 412                         rte_pktmbuf_free(m);
 413                         continue;
 414                 }
 415                 ip->pkts[j++] = m;
 416         }
 417         ip->num = j;
 418 }
 419
 420 static inline void
 421 process_pkts_inbound(struct ipsec_ctx *ipsec_ctx,
 422                 struct ipsec_traffic *traffic)
 423 {
 424         struct rte_mbuf *m;
 425         uint16_t idx, nb_pkts_in, i, n_ip4, n_ip6;
 426
 427         nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec.pkts,
 428                         traffic->ipsec.num, MAX_PKT_BURST);
 429
 430         n_ip4 = traffic->ip4.num;
 431         n_ip6 = traffic->ip6.num;
 432
 433         /* SP/ACL Inbound check ipsec and ip4 */
 434         for (i = 0; i < nb_pkts_in; i++) {
 435                 m = traffic->ipsec.pkts[i];
 436                 struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
 437                 if (ip->ip_v == IPVERSION) {
 438                         idx = traffic->ip4.num++;
 439                         traffic->ip4.pkts[idx] = m;
 440                         traffic->ip4.data[idx] = rte_pktmbuf_mtod_offset(m,
 441                                         uint8_t *, offsetof(struct ip, ip_p));
 442                 } else if (ip->ip_v == IP6_VERSION) {
 443                         idx = traffic->ip6.num++;
 444                         traffic->ip6.pkts[idx] = m;
 445                         traffic->ip6.data[idx] = rte_pktmbuf_mtod_offset(m,
 446                                         uint8_t *,
 447                                         offsetof(struct ip6_hdr, ip6_nxt));
 448                 } else
 449                         rte_pktmbuf_free(m);
 450         }
 451
 452         inbound_sp_sa(ipsec_ctx->sp4_ctx, ipsec_ctx->sa_ctx, &traffic->ip4,
 453                         n_ip4);
 454
 455         inbound_sp_sa(ipsec_ctx->sp6_ctx, ipsec_ctx->sa_ctx, &traffic->ip6,
 456                         n_ip6);
 457 }
 458
 459 static inline void
 460 outbound_sp(struct sp_ctx *sp, struct traffic_type *ip,
 461                 struct traffic_type *ipsec)
 462 {
 463         struct rte_mbuf *m;
 464         uint32_t i, j, sa_idx;
 465
 466         if (ip->num == 0 || sp == NULL)
 467                 return;
 468
 469         rte_acl_classify((struct rte_acl_ctx *)sp, ip->data, ip->res,
 470                         ip->num, DEFAULT_MAX_CATEGORIES);
 471
 472         j = 0;
 473         for (i = 0; i < ip->num; i++) {
 474                 m = ip->pkts[i];
 475                 sa_idx = ip->res[i] & PROTECT_MASK;
 476                 if (ip->res[i] & DISCARD)
 477                         rte_pktmbuf_free(m);
 478                 else if (sa_idx < IPSEC_SA_MAX_ENTRIES) {
 479                         ipsec->res[ipsec->num] = sa_idx;
 480                         ipsec->pkts[ipsec->num++] = m;
 481                 } else /* BYPASS */
 482                         ip->pkts[j++] = m;
 483         }
 484         ip->num = j;
 485 }
 486
 487 static inline void
 488 process_pkts_outbound(struct ipsec_ctx *ipsec_ctx,
 489                 struct ipsec_traffic *traffic)
 490 {
 491         struct rte_mbuf *m;
 492         uint16_t idx, nb_pkts_out, i;
 493
 494         /* Drop any IPsec traffic from protected ports */
 495         for (i = 0; i < traffic->ipsec.num; i++)
 496                 rte_pktmbuf_free(traffic->ipsec.pkts[i]);
 497
 498         traffic->ipsec.num = 0;
 499
 500         outbound_sp(ipsec_ctx->sp4_ctx, &traffic->ip4, &traffic->ipsec);
 501
 502         outbound_sp(ipsec_ctx->sp6_ctx, &traffic->ip6, &traffic->ipsec);
 503
 504         nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ipsec.pkts,
 505                         traffic->ipsec.res, traffic->ipsec.num,
 506                         MAX_PKT_BURST);
 507
 508         for (i = 0; i < nb_pkts_out; i++) {
 509                 m = traffic->ipsec.pkts[i];
 510                 struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
 511                 if (ip->ip_v == IPVERSION) {
 512                         idx = traffic->ip4.num++;
 513                         traffic->ip4.pkts[idx] = m;
 514                 } else {
 515                         idx = traffic->ip6.num++;
 516                         traffic->ip6.pkts[idx] = m;
 517                 }
 518         }
 519 }
 520
 521 static inline void
 522 process_pkts_inbound_nosp(struct ipsec_ctx *ipsec_ctx,
 523                 struct ipsec_traffic *traffic)
 524 {
 525         struct rte_mbuf *m;
 526         uint32_t nb_pkts_in, i, idx;
 527
 528         /* Drop any IPv4 traffic from unprotected ports */
 529         for (i = 0; i < traffic->ip4.num; i++)
 530                 rte_pktmbuf_free(traffic->ip4.pkts[i]);
 531
 532         traffic->ip4.num = 0;
 533
 534         /* Drop any IPv6 traffic from unprotected ports */
 535         for (i = 0; i < traffic->ip6.num; i++)
 536                 rte_pktmbuf_free(traffic->ip6.pkts[i]);
 537
 538         traffic->ip6.num = 0;
 539
 540         nb_pkts_in = ipsec_inbound(ipsec_ctx, traffic->ipsec.pkts,
 541                         traffic->ipsec.num, MAX_PKT_BURST);
 542
 543         for (i = 0; i < nb_pkts_in; i++) {
 544                 m = traffic->ipsec.pkts[i];
 545                 struct ip *ip = rte_pktmbuf_mtod(m, struct ip *);
 546                 if (ip->ip_v == IPVERSION) {
 547                         idx = traffic->ip4.num++;
 548                         traffic->ip4.pkts[idx] = m;
 549                 } else {
 550                         idx = traffic->ip6.num++;
 551                         traffic->ip6.pkts[idx] = m;
 552                 }
 553         }
 554 }
 555
 556 static inline void
 557 process_pkts_outbound_nosp(struct ipsec_ctx *ipsec_ctx,
 558                 struct ipsec_traffic *traffic)
 559 {
 560         struct rte_mbuf *m;
 561         uint32_t nb_pkts_out, i;
 562         struct ip *ip;
 563
 564         /* Drop any IPsec traffic from protected ports */
 565         for (i = 0; i < traffic->ipsec.num; i++)
 566                 rte_pktmbuf_free(traffic->ipsec.pkts[i]);
 567
 568         traffic->ipsec.num = 0;
 569
 570         for (i = 0; i < traffic->ip4.num; i++)
 571                 traffic->ip4.res[i] = single_sa_idx;
 572
 573         for (i = 0; i < traffic->ip6.num; i++)
 574                 traffic->ip6.res[i] = single_sa_idx;
 575
 576         nb_pkts_out = ipsec_outbound(ipsec_ctx, traffic->ip4.pkts,
 577                         traffic->ip4.res, traffic->ip4.num,
 578                         MAX_PKT_BURST);
 579
 580         /* They all sue the same SA (ip4 or ip6 tunnel) */
 581         m = traffic->ipsec.pkts[i];
 582         ip = rte_pktmbuf_mtod(m, struct ip *);
 583         if (ip->ip_v == IPVERSION)
 584                 traffic->ip4.num = nb_pkts_out;
 585         else
 586                 traffic->ip6.num = nb_pkts_out;
 587 }
 588
 589 static inline int32_t
 590 get_hop_for_offload_pkt(struct rte_mbuf *pkt, int is_ipv6)
 591 {
 592         struct ipsec_mbuf_metadata *priv;
 593         struct ipsec_sa *sa;
 594
 595         priv = get_priv(pkt);
 596
 597         sa = priv->sa;
 598         if (unlikely(sa == NULL)) {
 599                 RTE_LOG(ERR, IPSEC, "SA not saved in private data\n");
 600                 goto fail;
 601         }
 602
 603         if (is_ipv6)
 604                 return sa->portid;
 605
 606         /* else */
 607         return (sa->portid | RTE_LPM_LOOKUP_SUCCESS);
 608
 609 fail:
 610         if (is_ipv6)
 611                 return -1;
 612
 613         /* else */
 614         return 0;
 615 }
 616
 617 static inline void
 618 route4_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
 619 {
 620         uint32_t hop[MAX_PKT_BURST * 2];
 621         uint32_t dst_ip[MAX_PKT_BURST * 2];
 622         int32_t pkt_hop = 0;
 623         uint16_t i, offset;
 624         uint16_t lpm_pkts = 0;
 625
 626         if (nb_pkts == 0)
 627                 return;
 628
 629         /* Need to do an LPM lookup for non-inline packets. Inline packets will
 630          * have port ID in the SA
 631          */
 632
 633         for (i = 0; i < nb_pkts; i++) {
 634                 if (!(pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD)) {
 635                         /* Security offload not enabled. So an LPM lookup is
 636                          * required to get the hop
 637                          */
 638                         offset = offsetof(struct ip, ip_dst);
 639                         dst_ip[lpm_pkts] = *rte_pktmbuf_mtod_offset(pkts[i],
 640                                         uint32_t *, offset);
 641                         dst_ip[lpm_pkts] = rte_be_to_cpu_32(dst_ip[lpm_pkts]);
 642                         lpm_pkts++;
 643                 }
 644         }
 645
 646         rte_lpm_lookup_bulk((struct rte_lpm *)rt_ctx, dst_ip, hop, lpm_pkts);
 647
 648         lpm_pkts = 0;
 649
 650         for (i = 0; i < nb_pkts; i++) {
 651                 if (pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD) {
 652                         /* Read hop from the SA */
 653                         pkt_hop = get_hop_for_offload_pkt(pkts[i], 0);
 654                 } else {
 655                         /* Need to use hop returned by lookup */
 656                         pkt_hop = hop[lpm_pkts++];
 657                 }
 658
 659                 if ((pkt_hop & RTE_LPM_LOOKUP_SUCCESS) == 0) {
 660                         rte_pktmbuf_free(pkts[i]);
 661                         continue;
 662                 }
 663                 send_single_packet(pkts[i], pkt_hop & 0xff);
 664         }
 665 }
 666
 667 static inline void
 668 route6_pkts(struct rt_ctx *rt_ctx, struct rte_mbuf *pkts[], uint8_t nb_pkts)
 669 {
 670         int32_t hop[MAX_PKT_BURST * 2];
 671         uint8_t dst_ip[MAX_PKT_BURST * 2][16];
 672         uint8_t *ip6_dst;
 673         int32_t pkt_hop = 0;
 674         uint16_t i, offset;
 675         uint16_t lpm_pkts = 0;
 676
 677         if (nb_pkts == 0)
 678                 return;
 679
 680         /* Need to do an LPM lookup for non-inline packets. Inline packets will
 681          * have port ID in the SA
 682          */
 683
 684         for (i = 0; i < nb_pkts; i++) {
 685                 if (!(pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD)) {
 686                         /* Security offload not enabled. So an LPM lookup is
 687                          * required to get the hop
 688                          */
 689                         offset = offsetof(struct ip6_hdr, ip6_dst);
 690                         ip6_dst = rte_pktmbuf_mtod_offset(pkts[i], uint8_t *,
 691                                         offset);
 692                         memcpy(&dst_ip[lpm_pkts][0], ip6_dst, 16);
 693                         lpm_pkts++;
 694                 }
 695         }
 696
 697         rte_lpm6_lookup_bulk_func((struct rte_lpm6 *)rt_ctx, dst_ip, hop,
 698                         lpm_pkts);
 699
 700         lpm_pkts = 0;
 701
 702         for (i = 0; i < nb_pkts; i++) {
 703                 if (pkts[i]->ol_flags & PKT_TX_SEC_OFFLOAD) {
 704                         /* Read hop from the SA */
 705                         pkt_hop = get_hop_for_offload_pkt(pkts[i], 1);
 706                 } else {
 707                         /* Need to use hop returned by lookup */
 708                         pkt_hop = hop[lpm_pkts++];
 709                 }
 710
 711                 if (pkt_hop == -1) {
 712                         rte_pktmbuf_free(pkts[i]);
 713                         continue;
 714                 }
 715                 send_single_packet(pkts[i], pkt_hop & 0xff);
 716         }
 717 }
 718
 719 static inline void
 720 process_pkts(struct lcore_conf *qconf, struct rte_mbuf **pkts,
 721                 uint8_t nb_pkts, uint16_t portid)
 722 {
 723         struct ipsec_traffic traffic;
 724
 725         prepare_traffic(pkts, &traffic, nb_pkts);
 726
 727         if (unlikely(single_sa)) {
 728                 if (UNPROTECTED_PORT(portid))
 729                         process_pkts_inbound_nosp(&qconf->inbound, &traffic);
 730                 else
 731                         process_pkts_outbound_nosp(&qconf->outbound, &traffic);
 732         } else {
 733                 if (UNPROTECTED_PORT(portid))
 734                         process_pkts_inbound(&qconf->inbound, &traffic);
 735                 else
 736                         process_pkts_outbound(&qconf->outbound, &traffic);
 737         }
 738
 739         route4_pkts(qconf->rt4_ctx, traffic.ip4.pkts, traffic.ip4.num);
 740         route6_pkts(qconf->rt6_ctx, traffic.ip6.pkts, traffic.ip6.num);
 741 }
 742
 743 static inline void
 744 drain_buffers(struct lcore_conf *qconf)
 745 {
 746         struct buffer *buf;
 747         uint32_t portid;
 748
 749         for (portid = 0; portid < RTE_MAX_ETHPORTS; portid++) {
 750                 buf = &qconf->tx_mbufs[portid];
 751                 if (buf->len == 0)
 752                         continue;
 753                 send_burst(qconf, buf->len, portid);
 754                 buf->len = 0;
 755         }
 756 }
 757
 758 /* main processing loop */
 759 static int32_t
 760 main_loop(__attribute__((unused)) void *dummy)
 761 {
 762         struct rte_mbuf *pkts[MAX_PKT_BURST];
 763         uint32_t lcore_id;
 764         uint64_t prev_tsc, diff_tsc, cur_tsc;
 765         int32_t i, nb_rx;
 766         uint16_t portid;
 767         uint8_t queueid;
 768         struct lcore_conf *qconf;
 769         int32_t socket_id;
 770         const uint64_t drain_tsc = (rte_get_tsc_hz() + US_PER_S - 1)
 771                         / US_PER_S * BURST_TX_DRAIN_US;
 772         struct lcore_rx_queue *rxql;
 773
 774         prev_tsc = 0;
 775         lcore_id = rte_lcore_id();
 776         qconf = &lcore_conf[lcore_id];
 777         rxql = qconf->rx_queue_list;
 778         socket_id = rte_lcore_to_socket_id(lcore_id);
 779
 780         qconf->rt4_ctx = socket_ctx[socket_id].rt_ip4;
 781         qconf->rt6_ctx = socket_ctx[socket_id].rt_ip6;
 782         qconf->inbound.sp4_ctx = socket_ctx[socket_id].sp_ip4_in;
 783         qconf->inbound.sp6_ctx = socket_ctx[socket_id].sp_ip6_in;
 784         qconf->inbound.sa_ctx = socket_ctx[socket_id].sa_in;
 785         qconf->inbound.cdev_map = cdev_map_in;
 786         qconf->inbound.session_pool = socket_ctx[socket_id].session_pool;
 787         qconf->outbound.sp4_ctx = socket_ctx[socket_id].sp_ip4_out;
 788         qconf->outbound.sp6_ctx = socket_ctx[socket_id].sp_ip6_out;
 789         qconf->outbound.sa_ctx = socket_ctx[socket_id].sa_out;
 790         qconf->outbound.cdev_map = cdev_map_out;
 791         qconf->outbound.session_pool = socket_ctx[socket_id].session_pool;
 792
 793         if (qconf->nb_rx_queue == 0) {
 794                 RTE_LOG(INFO, IPSEC, "lcore %u has nothing to do\n", lcore_id);
 795                 return 0;
 796         }
 797
 798         RTE_LOG(INFO, IPSEC, "entering main loop on lcore %u\n", lcore_id);
 799
 800         for (i = 0; i < qconf->nb_rx_queue; i++) {
 801                 portid = rxql[i].port_id;
 802                 queueid = rxql[i].queue_id;
 803                 RTE_LOG(INFO, IPSEC,
 804                         " -- lcoreid=%u portid=%u rxqueueid=%hhu\n",
 805                         lcore_id, portid, queueid);
 806         }
 807
 808         while (1) {
 809                 cur_tsc = rte_rdtsc();
 810
 811                 /* TX queue buffer drain */
 812                 diff_tsc = cur_tsc - prev_tsc;
 813
 814                 if (unlikely(diff_tsc > drain_tsc)) {
 815                         drain_buffers(qconf);
 816                         prev_tsc = cur_tsc;
 817                 }
 818
 819                 /* Read packet from RX queues */
 820                 for (i = 0; i < qconf->nb_rx_queue; ++i) {
 821                         portid = rxql[i].port_id;
 822                         queueid = rxql[i].queue_id;
 823                         nb_rx = rte_eth_rx_burst(portid, queueid,
 824                                         pkts, MAX_PKT_BURST);
 825
 826                         if (nb_rx > 0)
 827                                 process_pkts(qconf, pkts, nb_rx, portid);
 828                 }
 829         }
 830 }
 831
 832 static int32_t
 833 check_params(void)
 834 {
 835         uint8_t lcore;
 836         uint16_t portid, nb_ports;
 837         uint16_t i;
 838         int32_t socket_id;
 839
 840         if (lcore_params == NULL) {
 841                 printf("Error: No port/queue/core mappings\n");
 842                 return -1;
 843         }
 844
 845         nb_ports = rte_eth_dev_count();
 846
 847         for (i = 0; i < nb_lcore_params; ++i) {
 848                 lcore = lcore_params[i].lcore_id;
 849                 if (!rte_lcore_is_enabled(lcore)) {
 850                         printf("error: lcore %hhu is not enabled in "
 851                                 "lcore mask\n", lcore);
 852                         return -1;
 853                 }
 854                 socket_id = rte_lcore_to_socket_id(lcore);
 855                 if (socket_id != 0 && numa_on == 0) {
 856                         printf("warning: lcore %hhu is on socket %d "
 857                                 "with numa off\n",
 858                                 lcore, socket_id);
 859                 }
 860                 portid = lcore_params[i].port_id;
 861                 if ((enabled_port_mask & (1 << portid)) == 0) {
 862                         printf("port %u is not enabled in port mask\n", portid);
 863                         return -1;
 864                 }
 865                 if (portid >= nb_ports) {
 866                         printf("port %u is not present on the board\n", portid);
 867                         return -1;
 868                 }
 869         }
 870         return 0;
 871 }
 872
 873 static uint8_t
 874 get_port_nb_rx_queues(const uint16_t port)
 875 {
 876         int32_t queue = -1;
 877         uint16_t i;
 878
 879         for (i = 0; i < nb_lcore_params; ++i) {
 880                 if (lcore_params[i].port_id == port &&
 881                                 lcore_params[i].queue_id > queue)
 882                         queue = lcore_params[i].queue_id;
 883         }
 884         return (uint8_t)(++queue);
 885 }
 886
 887 static int32_t
 888 init_lcore_rx_queues(void)
 889 {
 890         uint16_t i, nb_rx_queue;
 891         uint8_t lcore;
 892
 893         for (i = 0; i < nb_lcore_params; ++i) {
 894                 lcore = lcore_params[i].lcore_id;
 895                 nb_rx_queue = lcore_conf[lcore].nb_rx_queue;
 896                 if (nb_rx_queue >= MAX_RX_QUEUE_PER_LCORE) {
 897                         printf("error: too many queues (%u) for lcore: %u\n",
 898                                         nb_rx_queue + 1, lcore);
 899                         return -1;
 900                 }
 901                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].port_id =
 902                         lcore_params[i].port_id;
 903                 lcore_conf[lcore].rx_queue_list[nb_rx_queue].queue_id =
 904                         lcore_params[i].queue_id;
 905                 lcore_conf[lcore].nb_rx_queue++;
 906         }
 907         return 0;
 908 }
 909
 910 /* display usage */
 911 static void
 912 print_usage(const char *prgname)
 913 {
 914         printf("%s [EAL options] -- -p PORTMASK -P -u PORTMASK"
 915                 "  --"OPTION_CONFIG" (port,queue,lcore)[,(port,queue,lcore]"
 916                 " --single-sa SAIDX -f CONFIG_FILE\n"
 917                 "  -p PORTMASK: hexadecimal bitmask of ports to configure\n"
 918                 "  -P : enable promiscuous mode\n"
 919                 "  -u PORTMASK: hexadecimal bitmask of unprotected ports\n"
 920                 "  -j FRAMESIZE: jumbo frame maximum size\n"
 921                 "  --"OPTION_CONFIG": (port,queue,lcore): "
 922                 "rx queues configuration\n"
 923                 "  --single-sa SAIDX: use single SA index for outbound, "
 924                 "bypassing the SP\n"
 925                 "  -f CONFIG_FILE: Configuration file path\n",
 926                 prgname);
 927 }
 928
 929 static int32_t
 930 parse_portmask(const char *portmask)
 931 {
 932         char *end = NULL;
 933         unsigned long pm;
 934
 935         /* parse hexadecimal string */
 936         pm = strtoul(portmask, &end, 16);
 937         if ((portmask[0] == '\0') || (end == NULL) || (*end != '\0'))
 938                 return -1;
 939
 940         if ((pm == 0) && errno)
 941                 return -1;
 942
 943         return pm;
 944 }
 945
 946 static int32_t
 947 parse_decimal(const char *str)
 948 {
 949         char *end = NULL;
 950         unsigned long num;
 951
 952         num = strtoul(str, &end, 10);
 953         if ((str[0] == '\0') || (end == NULL) || (*end != '\0'))
 954                 return -1;
 955
 956         return num;
 957 }
 958
 959 static int32_t
 960 parse_config(const char *q_arg)
 961 {
 962         char s[256];
 963         const char *p, *p0 = q_arg;
 964         char *end;
 965         enum fieldnames {
 966                 FLD_PORT = 0,
 967                 FLD_QUEUE,
 968                 FLD_LCORE,
 969                 _NUM_FLD
 970         };
 971         unsigned long int_fld[_NUM_FLD];
 972         char *str_fld[_NUM_FLD];
 973         int32_t i;
 974         uint32_t size;
 975
 976         nb_lcore_params = 0;
 977
 978         while ((p = strchr(p0, '(')) != NULL) {
 979                 ++p;
 980                 p0 = strchr(p, ')');
 981                 if (p0 == NULL)
 982                         return -1;
 983
 984                 size = p0 - p;
 985                 if (size >= sizeof(s))
 986                         return -1;
 987
 988                 snprintf(s, sizeof(s), "%.*s", size, p);
 989                 if (rte_strsplit(s, sizeof(s), str_fld, _NUM_FLD, ',') !=
 990                                 _NUM_FLD)
 991                         return -1;
 992                 for (i = 0; i < _NUM_FLD; i++) {
 993                         errno = 0;
 994                         int_fld[i] = strtoul(str_fld[i], &end, 0);
 995                         if (errno != 0 || end == str_fld[i] || int_fld[i] > 255)
 996                                 return -1;
 997                 }
 998                 if (nb_lcore_params >= MAX_LCORE_PARAMS) {
 999                         printf("exceeded max number of lcore params: %hu\n",
1000                                 nb_lcore_params);
1001                         return -1;
1002                 }
1003                 lcore_params_array[nb_lcore_params].port_id =
1004                         (uint8_t)int_fld[FLD_PORT];
1005                 lcore_params_array[nb_lcore_params].queue_id =
1006                         (uint8_t)int_fld[FLD_QUEUE];
1007                 lcore_params_array[nb_lcore_params].lcore_id =
1008                         (uint8_t)int_fld[FLD_LCORE];
1009                 ++nb_lcore_params;
1010         }
1011         lcore_params = lcore_params_array;
1012         return 0;
1013 }
1014
1015 #define __STRNCMP(name, opt) (!strncmp(name, opt, sizeof(opt)))
1016 static int32_t
1017 parse_args_long_options(struct option *lgopts, int32_t option_index)
1018 {
1019         int32_t ret = -1;
1020         const char *optname = lgopts[option_index].name;
1021
1022         if (__STRNCMP(optname, OPTION_CONFIG)) {
1023                 ret = parse_config(optarg);
1024                 if (ret)
1025                         printf("invalid config\n");
1026         }
1027
1028         if (__STRNCMP(optname, OPTION_SINGLE_SA)) {
1029                 ret = parse_decimal(optarg);
1030                 if (ret != -1) {
1031                         single_sa = 1;
1032                         single_sa_idx = ret;
1033                         printf("Configured with single SA index %u\n",
1034                                         single_sa_idx);
1035                         ret = 0;
1036                 }
1037         }
1038
1039         return ret;
1040 }
1041 #undef __STRNCMP
1042
1043 static int32_t
1044 parse_args(int32_t argc, char **argv)
1045 {
1046         int32_t opt, ret;
1047         char **argvopt;
1048         int32_t option_index;
1049         char *prgname = argv[0];
1050         static struct option lgopts[] = {
1051                 {OPTION_CONFIG, 1, 0, 0},
1052                 {OPTION_SINGLE_SA, 1, 0, 0},
1053                 {NULL, 0, 0, 0}
1054         };
1055         int32_t f_present = 0;
1056
1057         argvopt = argv;
1058
1059         while ((opt = getopt_long(argc, argvopt, "p:Pu:f:j:",
1060                                 lgopts, &option_index)) != EOF) {
1061
1062                 switch (opt) {
1063                 case 'p':
1064                         enabled_port_mask = parse_portmask(optarg);
1065                         if (enabled_port_mask == 0) {
1066                                 printf("invalid portmask\n");
1067                                 print_usage(prgname);
1068                                 return -1;
1069                         }
1070                         break;
1071                 case 'P':
1072                         printf("Promiscuous mode selected\n");
1073                         promiscuous_on = 1;
1074                         break;
1075                 case 'u':
1076                         unprotected_port_mask = parse_portmask(optarg);
1077                         if (unprotected_port_mask == 0) {
1078                                 printf("invalid unprotected portmask\n");
1079                                 print_usage(prgname);
1080                                 return -1;
1081                         }
1082                         break;
1083                 case 'f':
1084                         if (f_present == 1) {
1085                                 printf("\"-f\" option present more than "
1086                                         "once!\n");
1087                                 print_usage(prgname);
1088                                 return -1;
1089                         }
1090                         if (parse_cfg_file(optarg) < 0) {
1091                                 printf("parsing file \"%s\" failed\n",
1092                                         optarg);
1093                                 print_usage(prgname);
1094                                 return -1;
1095                         }
1096                         f_present = 1;
1097                         break;
1098                 case 'j':
1099                         {
1100                                 int32_t size = parse_decimal(optarg);
1101                                 if (size <= 1518) {
1102                                         printf("Invalid jumbo frame size\n");
1103                                         if (size < 0) {
1104                                                 print_usage(prgname);
1105                                                 return -1;
1106                                         }
1107                                         printf("Using default value 9000\n");
1108                                         frame_size = 9000;
1109                                 } else {
1110                                         frame_size = size;
1111                                 }
1112                         }
1113                         printf("Enabled jumbo frames size %u\n", frame_size);
1114                         break;
1115                 case 0:
1116                         if (parse_args_long_options(lgopts, option_index)) {
1117                                 print_usage(prgname);
1118                                 return -1;
1119                         }
1120                         break;
1121                 default:
1122                         print_usage(prgname);
1123                         return -1;
1124                 }
1125         }
1126
1127         if (f_present == 0) {
1128                 printf("Mandatory option \"-f\" not present\n");
1129                 return -1;
1130         }
1131
1132         if (optind >= 0)
1133                 argv[optind-1] = prgname;
1134
1135         ret = optind-1;
1136         optind = 1; /* reset getopt lib */
1137         return ret;
1138 }
1139
1140 static void
1141 print_ethaddr(const char *name, const struct ether_addr *eth_addr)
1142 {
1143         char buf[ETHER_ADDR_FMT_SIZE];
1144         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
1145         printf("%s%s", name, buf);
1146 }
1147
1148 /* Check the link status of all ports in up to 9s, and print them finally */
1149 static void
1150 check_all_ports_link_status(uint16_t port_num, uint32_t port_mask)
1151 {
1152 #define CHECK_INTERVAL 100 /* 100ms */
1153 #define MAX_CHECK_TIME 90 /* 9s (90 * 100ms) in total */
1154         uint16_t portid;
1155         uint8_t count, all_ports_up, print_flag = 0;
1156         struct rte_eth_link link;
1157
1158         printf("\nChecking link status");
1159         fflush(stdout);
1160         for (count = 0; count <= MAX_CHECK_TIME; count++) {
1161                 all_ports_up = 1;
1162                 for (portid = 0; portid < port_num; portid++) {
1163                         if ((port_mask & (1 << portid)) == 0)
1164                                 continue;
1165                         memset(&link, 0, sizeof(link));
1166                         rte_eth_link_get_nowait(portid, &link);
1167                         /* print link status if flag set */
1168                         if (print_flag == 1) {
1169                                 if (link.link_status)
1170                                         printf(
1171                                         "Port%d Link Up - speed %u Mbps -%s\n",
1172                                                 portid, link.link_speed,
1173                                 (link.link_duplex == ETH_LINK_FULL_DUPLEX) ?
1174                                         ("full-duplex") : ("half-duplex\n"));
1175                                 else
1176                                         printf("Port %d Link Down\n", portid);
1177                                 continue;
1178                         }
1179                         /* clear all_ports_up flag if any link down */
1180                         if (link.link_status == ETH_LINK_DOWN) {
1181                                 all_ports_up = 0;
1182                                 break;
1183                         }
1184                 }
1185                 /* after finally printing all link status, get out */
1186                 if (print_flag == 1)
1187                         break;
1188
1189                 if (all_ports_up == 0) {
1190                         printf(".");
1191                         fflush(stdout);
1192                         rte_delay_ms(CHECK_INTERVAL);
1193                 }
1194
1195                 /* set the print_flag if all ports up or timeout */
1196                 if (all_ports_up == 1 || count == (MAX_CHECK_TIME - 1)) {
1197                         print_flag = 1;
1198                         printf("done\n");
1199                 }
1200         }
1201 }
1202
1203 static int32_t
1204 add_mapping(struct rte_hash *map, const char *str, uint16_t cdev_id,
1205                 uint16_t qp, struct lcore_params *params,
1206                 struct ipsec_ctx *ipsec_ctx,
1207                 const struct rte_cryptodev_capabilities *cipher,
1208                 const struct rte_cryptodev_capabilities *auth,
1209                 const struct rte_cryptodev_capabilities *aead)
1210 {
1211         int32_t ret = 0;
1212         unsigned long i;
1213         struct cdev_key key = { 0 };
1214
1215         key.lcore_id = params->lcore_id;
1216         if (cipher)
1217                 key.cipher_algo = cipher->sym.cipher.algo;
1218         if (auth)
1219                 key.auth_algo = auth->sym.auth.algo;
1220         if (aead)
1221                 key.aead_algo = aead->sym.aead.algo;
1222
1223         ret = rte_hash_lookup(map, &key);
1224         if (ret != -ENOENT)
1225                 return 0;
1226
1227         for (i = 0; i < ipsec_ctx->nb_qps; i++)
1228                 if (ipsec_ctx->tbl[i].id == cdev_id)
1229                         break;
1230
1231         if (i == ipsec_ctx->nb_qps) {
1232                 if (ipsec_ctx->nb_qps == MAX_QP_PER_LCORE) {
1233                         printf("Maximum number of crypto devices assigned to "
1234                                 "a core, increase MAX_QP_PER_LCORE value\n");
1235                         return 0;
1236                 }
1237                 ipsec_ctx->tbl[i].id = cdev_id;
1238                 ipsec_ctx->tbl[i].qp = qp;
1239                 ipsec_ctx->nb_qps++;
1240                 printf("%s cdev mapping: lcore %u using cdev %u qp %u "
1241                                 "(cdev_id_qp %lu)\n", str, key.lcore_id,
1242                                 cdev_id, qp, i);
1243         }
1244
1245         ret = rte_hash_add_key_data(map, &key, (void *)i);
1246         if (ret < 0) {
1247                 printf("Faled to insert cdev mapping for (lcore %u, "
1248                                 "cdev %u, qp %u), errno %d\n",
1249                                 key.lcore_id, ipsec_ctx->tbl[i].id,
1250                                 ipsec_ctx->tbl[i].qp, ret);
1251                 return 0;
1252         }
1253
1254         return 1;
1255 }
1256
1257 static int32_t
1258 add_cdev_mapping(struct rte_cryptodev_info *dev_info, uint16_t cdev_id,
1259                 uint16_t qp, struct lcore_params *params)
1260 {
1261         int32_t ret = 0;
1262         const struct rte_cryptodev_capabilities *i, *j;
1263         struct rte_hash *map;
1264         struct lcore_conf *qconf;
1265         struct ipsec_ctx *ipsec_ctx;
1266         const char *str;
1267
1268         qconf = &lcore_conf[params->lcore_id];
1269
1270         if ((unprotected_port_mask & (1 << params->port_id)) == 0) {
1271                 map = cdev_map_out;
1272                 ipsec_ctx = &qconf->outbound;
1273                 str = "Outbound";
1274         } else {
1275                 map = cdev_map_in;
1276                 ipsec_ctx = &qconf->inbound;
1277                 str = "Inbound";
1278         }
1279
1280         /* Required cryptodevs with operation chainning */
1281         if (!(dev_info->feature_flags &
1282                                 RTE_CRYPTODEV_FF_SYM_OPERATION_CHAINING))
1283                 return ret;
1284
1285         for (i = dev_info->capabilities;
1286                         i->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; i++) {
1287                 if (i->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
1288                         continue;
1289
1290                 if (i->sym.xform_type == RTE_CRYPTO_SYM_XFORM_AEAD) {
1291                         ret |= add_mapping(map, str, cdev_id, qp, params,
1292                                         ipsec_ctx, NULL, NULL, i);
1293                         continue;
1294                 }
1295
1296                 if (i->sym.xform_type != RTE_CRYPTO_SYM_XFORM_CIPHER)
1297                         continue;
1298
1299                 for (j = dev_info->capabilities;
1300                                 j->op != RTE_CRYPTO_OP_TYPE_UNDEFINED; j++) {
1301                         if (j->op != RTE_CRYPTO_OP_TYPE_SYMMETRIC)
1302                                 continue;
1303
1304                         if (j->sym.xform_type != RTE_CRYPTO_SYM_XFORM_AUTH)
1305                                 continue;
1306
1307                         ret |= add_mapping(map, str, cdev_id, qp, params,
1308                                                 ipsec_ctx, i, j, NULL);
1309                 }
1310         }
1311
1312         return ret;
1313 }
1314
1315 static int32_t
1316 cryptodevs_init(void)
1317 {
1318         struct rte_cryptodev_config dev_conf;
1319         struct rte_cryptodev_qp_conf qp_conf;
1320         uint16_t idx, max_nb_qps, qp, i;
1321         int16_t cdev_id;
1322         struct rte_hash_parameters params = { 0 };
1323
1324         params.entries = CDEV_MAP_ENTRIES;
1325         params.key_len = sizeof(struct cdev_key);
1326         params.hash_func = rte_jhash;
1327         params.hash_func_init_val = 0;
1328         params.socket_id = rte_socket_id();
1329
1330         params.name = "cdev_map_in";
1331         cdev_map_in = rte_hash_create(&params);
1332         if (cdev_map_in == NULL)
1333                 rte_panic("Failed to create cdev_map hash table, errno = %d\n",
1334                                 rte_errno);
1335
1336         params.name = "cdev_map_out";
1337         cdev_map_out = rte_hash_create(&params);
1338         if (cdev_map_out == NULL)
1339                 rte_panic("Failed to create cdev_map hash table, errno = %d\n",
1340                                 rte_errno);
1341
1342         printf("lcore/cryptodev/qp mappings:\n");
1343
1344         uint32_t max_sess_sz = 0, sess_sz;
1345         for (cdev_id = 0; cdev_id < rte_cryptodev_count(); cdev_id++) {
1346                 sess_sz = rte_cryptodev_get_private_session_size(cdev_id);
1347                 if (sess_sz > max_sess_sz)
1348                         max_sess_sz = sess_sz;
1349         }
1350
1351         idx = 0;
1352         /* Start from last cdev id to give HW priority */
1353         for (cdev_id = rte_cryptodev_count() - 1; cdev_id >= 0; cdev_id--) {
1354                 struct rte_cryptodev_info cdev_info;
1355
1356                 rte_cryptodev_info_get(cdev_id, &cdev_info);
1357
1358                 if (nb_lcore_params > cdev_info.max_nb_queue_pairs)
1359                         max_nb_qps = cdev_info.max_nb_queue_pairs;
1360                 else
1361                         max_nb_qps = nb_lcore_params;
1362
1363                 qp = 0;
1364                 i = 0;
1365                 while (qp < max_nb_qps && i < nb_lcore_params) {
1366                         if (add_cdev_mapping(&cdev_info, cdev_id, qp,
1367                                                 &lcore_params[idx]))
1368                                 qp++;
1369                         idx++;
1370                         idx = idx % nb_lcore_params;
1371                         i++;
1372                 }
1373
1374                 if (qp == 0)
1375                         continue;
1376
1377                 dev_conf.socket_id = rte_cryptodev_socket_id(cdev_id);
1378                 dev_conf.nb_queue_pairs = qp;
1379
1380                 if (!socket_ctx[dev_conf.socket_id].session_pool) {
1381                         char mp_name[RTE_MEMPOOL_NAMESIZE];
1382                         struct rte_mempool *sess_mp;
1383
1384                         snprintf(mp_name, RTE_MEMPOOL_NAMESIZE,
1385                                         "sess_mp_%u", dev_conf.socket_id);
1386                         sess_mp = rte_mempool_create(mp_name,
1387                                         CDEV_MP_NB_OBJS,
1388                                         max_sess_sz,
1389                                         CDEV_MP_CACHE_SZ,
1390                                         0, NULL, NULL, NULL,
1391                                         NULL, dev_conf.socket_id,
1392                                         0);
1393                         if (sess_mp == NULL)
1394                                 rte_exit(EXIT_FAILURE,
1395                                         "Cannot create session pool on socket %d\n",
1396                                         dev_conf.socket_id);
1397                         else
1398                                 printf("Allocated session pool on socket %d\n",
1399                                         dev_conf.socket_id);
1400                         socket_ctx[dev_conf.socket_id].session_pool = sess_mp;
1401                 }
1402
1403                 if (rte_cryptodev_configure(cdev_id, &dev_conf))
1404                         rte_panic("Failed to initialize cryptodev %u\n",
1405                                         cdev_id);
1406
1407                 qp_conf.nb_descriptors = CDEV_QUEUE_DESC;
1408                 for (qp = 0; qp < dev_conf.nb_queue_pairs; qp++)
1409                         if (rte_cryptodev_queue_pair_setup(cdev_id, qp,
1410                                         &qp_conf, dev_conf.socket_id,
1411                                         socket_ctx[dev_conf.socket_id].session_pool))
1412                                 rte_panic("Failed to setup queue %u for "
1413                                                 "cdev_id %u\n", 0, cdev_id);
1414
1415                 if (rte_cryptodev_start(cdev_id))
1416                         rte_panic("Failed to start cryptodev %u\n",
1417                                         cdev_id);
1418         }
1419
1420         printf("\n");
1421
1422         return 0;
1423 }
1424
1425 static void
1426 port_init(uint16_t portid)
1427 {
1428         struct rte_eth_dev_info dev_info;
1429         struct rte_eth_txconf *txconf;
1430         uint16_t nb_tx_queue, nb_rx_queue;
1431         uint16_t tx_queueid, rx_queueid, queue, lcore_id;
1432         int32_t ret, socket_id;
1433         struct lcore_conf *qconf;
1434         struct ether_addr ethaddr;
1435
1436         rte_eth_dev_info_get(portid, &dev_info);
1437
1438         printf("Configuring device port %u:\n", portid);
1439
1440         rte_eth_macaddr_get(portid, &ethaddr);
1441         ethaddr_tbl[portid].src = ETHADDR_TO_UINT64(ethaddr);
1442         print_ethaddr("Address: ", &ethaddr);
1443         printf("\n");
1444
1445         nb_rx_queue = get_port_nb_rx_queues(portid);
1446         nb_tx_queue = nb_lcores;
1447
1448         if (nb_rx_queue > dev_info.max_rx_queues)
1449                 rte_exit(EXIT_FAILURE, "Error: queue %u not available "
1450                                 "(max rx queue is %u)\n",
1451                                 nb_rx_queue, dev_info.max_rx_queues);
1452
1453         if (nb_tx_queue > dev_info.max_tx_queues)
1454                 rte_exit(EXIT_FAILURE, "Error: queue %u not available "
1455                                 "(max tx queue is %u)\n",
1456                                 nb_tx_queue, dev_info.max_tx_queues);
1457
1458         printf("Creating queues: nb_rx_queue=%d nb_tx_queue=%u...\n",
1459                         nb_rx_queue, nb_tx_queue);
1460
1461         if (frame_size) {
1462                 port_conf.rxmode.max_rx_pkt_len = frame_size;
1463                 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_JUMBO_FRAME;
1464         }
1465
1466         if (dev_info.rx_offload_capa & DEV_RX_OFFLOAD_SECURITY)
1467                 port_conf.rxmode.offloads |= DEV_RX_OFFLOAD_SECURITY;
1468         if (dev_info.tx_offload_capa & DEV_TX_OFFLOAD_SECURITY)
1469                 port_conf.txmode.offloads |= DEV_TX_OFFLOAD_SECURITY;
1470
1471         ret = rte_eth_dev_configure(portid, nb_rx_queue, nb_tx_queue,
1472                         &port_conf);
1473         if (ret < 0)
1474                 rte_exit(EXIT_FAILURE, "Cannot configure device: "
1475                                 "err=%d, port=%d\n", ret, portid);
1476
1477         ret = rte_eth_dev_adjust_nb_rx_tx_desc(portid, &nb_rxd, &nb_txd);
1478         if (ret < 0)
1479                 rte_exit(EXIT_FAILURE, "Cannot adjust number of descriptors: "
1480                                 "err=%d, port=%d\n", ret, portid);
1481
1482         /* init one TX queue per lcore */
1483         tx_queueid = 0;
1484         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1485                 if (rte_lcore_is_enabled(lcore_id) == 0)
1486                         continue;
1487
1488                 if (numa_on)
1489                         socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
1490                 else
1491                         socket_id = 0;
1492
1493                 /* init TX queue */
1494                 printf("Setup txq=%u,%d,%d\n", lcore_id, tx_queueid, socket_id);
1495
1496                 txconf = &dev_info.default_txconf;
1497                 txconf->txq_flags = 0;
1498
1499                 ret = rte_eth_tx_queue_setup(portid, tx_queueid, nb_txd,
1500                                 socket_id, txconf);
1501                 if (ret < 0)
1502                         rte_exit(EXIT_FAILURE, "rte_eth_tx_queue_setup: "
1503                                         "err=%d, port=%d\n", ret, portid);
1504
1505                 qconf = &lcore_conf[lcore_id];
1506                 qconf->tx_queue_id[portid] = tx_queueid;
1507                 tx_queueid++;
1508
1509                 /* init RX queues */
1510                 for (queue = 0; queue < qconf->nb_rx_queue; ++queue) {
1511                         if (portid != qconf->rx_queue_list[queue].port_id)
1512                                 continue;
1513
1514                         rx_queueid = qconf->rx_queue_list[queue].queue_id;
1515
1516                         printf("Setup rxq=%d,%d,%d\n", portid, rx_queueid,
1517                                         socket_id);
1518
1519                         ret = rte_eth_rx_queue_setup(portid, rx_queueid,
1520                                         nb_rxd, socket_id, NULL,
1521                                         socket_ctx[socket_id].mbuf_pool);
1522                         if (ret < 0)
1523                                 rte_exit(EXIT_FAILURE,
1524                                         "rte_eth_rx_queue_setup: err=%d, "
1525                                         "port=%d\n", ret, portid);
1526                 }
1527         }
1528         printf("\n");
1529 }
1530
1531 static void
1532 pool_init(struct socket_ctx *ctx, int32_t socket_id, uint32_t nb_mbuf)
1533 {
1534         char s[64];
1535         uint32_t buff_size = frame_size ? (frame_size + RTE_PKTMBUF_HEADROOM) :
1536                         RTE_MBUF_DEFAULT_BUF_SIZE;
1537
1538
1539         snprintf(s, sizeof(s), "mbuf_pool_%d", socket_id);
1540         ctx->mbuf_pool = rte_pktmbuf_pool_create(s, nb_mbuf,
1541                         MEMPOOL_CACHE_SIZE, ipsec_metadata_size(),
1542                         buff_size,
1543                         socket_id);
1544         if (ctx->mbuf_pool == NULL)
1545                 rte_exit(EXIT_FAILURE, "Cannot init mbuf pool on socket %d\n",
1546                                 socket_id);
1547         else
1548                 printf("Allocated mbuf pool on socket %d\n", socket_id);
1549 }
1550
1551 int32_t
1552 main(int32_t argc, char **argv)
1553 {
1554         int32_t ret;
1555         uint32_t lcore_id;
1556         uint8_t socket_id;
1557         uint16_t portid, nb_ports;
1558
1559         /* init EAL */
1560         ret = rte_eal_init(argc, argv);
1561         if (ret < 0)
1562                 rte_exit(EXIT_FAILURE, "Invalid EAL parameters\n");
1563         argc -= ret;
1564         argv += ret;
1565
1566         /* parse application arguments (after the EAL ones) */
1567         ret = parse_args(argc, argv);
1568         if (ret < 0)
1569                 rte_exit(EXIT_FAILURE, "Invalid parameters\n");
1570
1571         if ((unprotected_port_mask & enabled_port_mask) !=
1572                         unprotected_port_mask)
1573                 rte_exit(EXIT_FAILURE, "Invalid unprotected portmask 0x%x\n",
1574                                 unprotected_port_mask);
1575
1576         nb_ports = rte_eth_dev_count();
1577
1578         if (check_params() < 0)
1579                 rte_exit(EXIT_FAILURE, "check_params failed\n");
1580
1581         ret = init_lcore_rx_queues();
1582         if (ret < 0)
1583                 rte_exit(EXIT_FAILURE, "init_lcore_rx_queues failed\n");
1584
1585         nb_lcores = rte_lcore_count();
1586
1587         /* Replicate each context per socket */
1588         for (lcore_id = 0; lcore_id < RTE_MAX_LCORE; lcore_id++) {
1589                 if (rte_lcore_is_enabled(lcore_id) == 0)
1590                         continue;
1591
1592                 if (numa_on)
1593                         socket_id = (uint8_t)rte_lcore_to_socket_id(lcore_id);
1594                 else
1595                         socket_id = 0;
1596
1597                 if (socket_ctx[socket_id].mbuf_pool)
1598                         continue;
1599
1600                 sa_init(&socket_ctx[socket_id], socket_id);
1601
1602                 sp4_init(&socket_ctx[socket_id], socket_id);
1603
1604                 sp6_init(&socket_ctx[socket_id], socket_id);
1605
1606                 rt_init(&socket_ctx[socket_id], socket_id);
1607
1608                 pool_init(&socket_ctx[socket_id], socket_id, NB_MBUF);
1609         }
1610
1611         for (portid = 0; portid < nb_ports; portid++) {
1612                 if ((enabled_port_mask & (1 << portid)) == 0)
1613                         continue;
1614
1615                 port_init(portid);
1616         }
1617
1618         cryptodevs_init();
1619
1620         /* start ports */
1621         for (portid = 0; portid < nb_ports; portid++) {
1622                 if ((enabled_port_mask & (1 << portid)) == 0)
1623                         continue;
1624
1625                 /* Start device */
1626                 ret = rte_eth_dev_start(portid);
1627                 if (ret < 0)
1628                         rte_exit(EXIT_FAILURE, "rte_eth_dev_start: "
1629                                         "err=%d, port=%d\n", ret, portid);
1630                 /*
1631                  * If enabled, put device in promiscuous mode.
1632                  * This allows IO forwarding mode to forward packets
1633                  * to itself through 2 cross-connected  ports of the
1634                  * target machine.
1635                  */
1636                 if (promiscuous_on)
1637                         rte_eth_promiscuous_enable(portid);
1638         }
1639
1640         check_all_ports_link_status(nb_ports, enabled_port_mask);
1641
1642         /* launch per-lcore init on every lcore */
1643         rte_eal_mp_remote_launch(main_loop, NULL, CALL_MASTER);
1644         RTE_LCORE_FOREACH_SLAVE(lcore_id) {
1645                 if (rte_eal_wait_lcore(lcore_id) < 0)
1646                         return -1;
1647         }
1648
1649         return 0;
1650 }