app/test-pmd/rxonly.c

   1 /*-
   2  *   BSD LICENSE
   3  *
   4  *   Copyright(c) 2010-2014 Intel Corporation. All rights reserved.
   5  *   All rights reserved.
   6  *
   7  *   Redistribution and use in source and binary forms, with or without
   8  *   modification, are permitted provided that the following conditions
   9  *   are met:
  10  *
  11  *     * Redistributions of source code must retain the above copyright
  12  *       notice, this list of conditions and the following disclaimer.
  13  *     * Redistributions in binary form must reproduce the above copyright
  14  *       notice, this list of conditions and the following disclaimer in
  15  *       the documentation and/or other materials provided with the
  16  *       distribution.
  17  *     * Neither the name of Intel Corporation nor the names of its
  18  *       contributors may be used to endorse or promote products derived
  19  *       from this software without specific prior written permission.
  20  *
  21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  25  *   OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  32  */
  33
  34 #include <stdarg.h>
  35 #include <string.h>
  36 #include <stdio.h>
  37 #include <errno.h>
  38 #include <stdint.h>
  39 #include <unistd.h>
  40 #include <inttypes.h>
  41
  42 #include <sys/queue.h>
  43 #include <sys/stat.h>
  44
  45 #include <rte_common.h>
  46 #include <rte_byteorder.h>
  47 #include <rte_log.h>
  48 #include <rte_debug.h>
  49 #include <rte_cycles.h>
  50 #include <rte_memory.h>
  51 #include <rte_memcpy.h>
  52 #include <rte_memzone.h>
  53 #include <rte_launch.h>
  54 #include <rte_eal.h>
  55 #include <rte_per_lcore.h>
  56 #include <rte_lcore.h>
  57 #include <rte_atomic.h>
  58 #include <rte_branch_prediction.h>
  59 #include <rte_ring.h>
  60 #include <rte_memory.h>
  61 #include <rte_mempool.h>
  62 #include <rte_mbuf.h>
  63 #include <rte_interrupts.h>
  64 #include <rte_pci.h>
  65 #include <rte_ether.h>
  66 #include <rte_ethdev.h>
  67 #include <rte_string_fns.h>
  68 #include <rte_ip.h>
  69 #include <rte_udp.h>
  70
  71 #include "testpmd.h"
  72
  73 static inline void
  74 print_ether_addr(const char *what, struct ether_addr *eth_addr)
  75 {
  76         char buf[ETHER_ADDR_FMT_SIZE];
  77         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
  78         printf("%s%s", what, buf);
  79 }
  80
  81 /*
  82  * Received a burst of packets.
  83  */
  84 static void
  85 pkt_burst_receive(struct fwd_stream *fs)
  86 {
  87         struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
  88         struct rte_mbuf  *mb;
  89         struct ether_hdr *eth_hdr;
  90         uint16_t eth_type;
  91         uint64_t ol_flags;
  92         uint16_t nb_rx;
  93         uint16_t i, packet_type;
  94 #ifdef RTE_NEXT_ABI
  95         uint16_t is_encapsulation;
  96 #else
  97         uint64_t is_encapsulation;
  98 #endif
  99
 100 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 101         uint64_t start_tsc;
 102         uint64_t end_tsc;
 103         uint64_t core_cycles;
 104 #endif
 105
 106 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 107         start_tsc = rte_rdtsc();
 108 #endif
 109
 110         /*
 111          * Receive a burst of packets.
 112          */
 113         nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
 114                                  nb_pkt_per_burst);
 115         if (unlikely(nb_rx == 0))
 116                 return;
 117
 118 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
 119         fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
 120 #endif
 121         fs->rx_packets += nb_rx;
 122
 123         /*
 124          * Dump each received packet if verbose_level > 0.
 125          */
 126         if (verbose_level > 0)
 127                 printf("port %u/queue %u: received %u packets\n",
 128                        (unsigned) fs->rx_port,
 129                        (unsigned) fs->rx_queue,
 130                        (unsigned) nb_rx);
 131         for (i = 0; i < nb_rx; i++) {
 132                 mb = pkts_burst[i];
 133                 if (verbose_level == 0) {
 134                         rte_pktmbuf_free(mb);
 135                         continue;
 136                 }
 137                 eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
 138                 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
 139                 ol_flags = mb->ol_flags;
 140                 packet_type = mb->packet_type;
 141
 142 #ifdef RTE_NEXT_ABI
 143                 is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type);
 144 #else
 145                 is_encapsulation = ol_flags & (PKT_RX_TUNNEL_IPV4_HDR |
 146                                 PKT_RX_TUNNEL_IPV6_HDR);
 147 #endif
 148
 149                 print_ether_addr("  src=", &eth_hdr->s_addr);
 150                 print_ether_addr(" - dst=", &eth_hdr->d_addr);
 151                 printf(" - type=0x%04x - length=%u - nb_segs=%d",
 152                        eth_type, (unsigned) mb->pkt_len,
 153                        (int)mb->nb_segs);
 154                 if (ol_flags & PKT_RX_RSS_HASH) {
 155                         printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
 156                         printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
 157                 } else if (ol_flags & PKT_RX_FDIR) {
 158                         printf(" - FDIR matched ");
 159                         if (ol_flags & PKT_RX_FDIR_ID)
 160                                 printf("ID=0x%x",
 161                                        mb->hash.fdir.hi);
 162                         else if (ol_flags & PKT_RX_FDIR_FLX)
 163                                 printf("flex bytes=0x%08x %08x",
 164                                        mb->hash.fdir.hi, mb->hash.fdir.lo);
 165                         else
 166                                 printf("hash=0x%x ID=0x%x ",
 167                                        mb->hash.fdir.hash, mb->hash.fdir.id);
 168                 }
 169                 if (ol_flags & PKT_RX_VLAN_PKT)
 170                         printf(" - VLAN tci=0x%x", mb->vlan_tci);
 171                 if (ol_flags & PKT_RX_QINQ_PKT)
 172                         printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x",
 173                                         mb->vlan_tci, mb->vlan_tci_outer);
 174 #ifdef RTE_NEXT_ABI
 175                 if (mb->packet_type) {
 176                         uint32_t ptype;
 177
 178                         /* (outer) L2 packet type */
 179                         ptype = mb->packet_type & RTE_PTYPE_L2_MASK;
 180                         switch (ptype) {
 181                         case RTE_PTYPE_L2_ETHER:
 182                                 printf(" - (outer) L2 type: ETHER");
 183                                 break;
 184                         case RTE_PTYPE_L2_ETHER_TIMESYNC:
 185                                 printf(" - (outer) L2 type: ETHER_Timesync");
 186                                 break;
 187                         case RTE_PTYPE_L2_ETHER_ARP:
 188                                 printf(" - (outer) L2 type: ETHER_ARP");
 189                                 break;
 190                         case RTE_PTYPE_L2_ETHER_LLDP:
 191                                 printf(" - (outer) L2 type: ETHER_LLDP");
 192                                 break;
 193                         default:
 194                                 printf(" - (outer) L2 type: Unknown");
 195                                 break;
 196                         }
 197
 198                         /* (outer) L3 packet type */
 199                         ptype = mb->packet_type & RTE_PTYPE_L3_MASK;
 200                         switch (ptype) {
 201                         case RTE_PTYPE_L3_IPV4:
 202                                 printf(" - (outer) L3 type: IPV4");
 203                                 break;
 204                         case RTE_PTYPE_L3_IPV4_EXT:
 205                                 printf(" - (outer) L3 type: IPV4_EXT");
 206                                 break;
 207                         case RTE_PTYPE_L3_IPV6:
 208                                 printf(" - (outer) L3 type: IPV6");
 209                                 break;
 210                         case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN:
 211                                 printf(" - (outer) L3 type: IPV4_EXT_UNKNOWN");
 212                                 break;
 213                         case RTE_PTYPE_L3_IPV6_EXT:
 214                                 printf(" - (outer) L3 type: IPV6_EXT");
 215                                 break;
 216                         case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN:
 217                                 printf(" - (outer) L3 type: IPV6_EXT_UNKNOWN");
 218                                 break;
 219                         default:
 220                                 printf(" - (outer) L3 type: Unknown");
 221                                 break;
 222                         }
 223
 224                         /* (outer) L4 packet type */
 225                         ptype = mb->packet_type & RTE_PTYPE_L4_MASK;
 226                         switch (ptype) {
 227                         case RTE_PTYPE_L4_TCP:
 228                                 printf(" - (outer) L4 type: TCP");
 229                                 break;
 230                         case RTE_PTYPE_L4_UDP:
 231                                 printf(" - (outer) L4 type: UDP");
 232                                 break;
 233                         case RTE_PTYPE_L4_FRAG:
 234                                 printf(" - (outer) L4 type: L4_FRAG");
 235                                 break;
 236                         case RTE_PTYPE_L4_SCTP:
 237                                 printf(" - (outer) L4 type: SCTP");
 238                                 break;
 239                         case RTE_PTYPE_L4_ICMP:
 240                                 printf(" - (outer) L4 type: ICMP");
 241                                 break;
 242                         case RTE_PTYPE_L4_NONFRAG:
 243                                 printf(" - (outer) L4 type: L4_NONFRAG");
 244                                 break;
 245                         default:
 246                                 printf(" - (outer) L4 type: Unknown");
 247                                 break;
 248                         }
 249
 250                         /* packet tunnel type */
 251                         ptype = mb->packet_type & RTE_PTYPE_TUNNEL_MASK;
 252                         switch (ptype) {
 253                         case RTE_PTYPE_TUNNEL_IP:
 254                                 printf(" - Tunnel type: IP");
 255                                 break;
 256                         case RTE_PTYPE_TUNNEL_GRE:
 257                                 printf(" - Tunnel type: GRE");
 258                                 break;
 259                         case RTE_PTYPE_TUNNEL_VXLAN:
 260                                 printf(" - Tunnel type: VXLAN");
 261                                 break;
 262                         case RTE_PTYPE_TUNNEL_NVGRE:
 263                                 printf(" - Tunnel type: NVGRE");
 264                                 break;
 265                         case RTE_PTYPE_TUNNEL_GENEVE:
 266                                 printf(" - Tunnel type: GENEVE");
 267                                 break;
 268                         case RTE_PTYPE_TUNNEL_GRENAT:
 269                                 printf(" - Tunnel type: GRENAT");
 270                                 break;
 271                         default:
 272                                 printf(" - Tunnel type: Unknown");
 273                                 break;
 274                         }
 275
 276                         /* inner L2 packet type */
 277                         ptype = mb->packet_type & RTE_PTYPE_INNER_L2_MASK;
 278                         switch (ptype) {
 279                         case RTE_PTYPE_INNER_L2_ETHER:
 280                                 printf(" - Inner L2 type: ETHER");
 281                                 break;
 282                         case RTE_PTYPE_INNER_L2_ETHER_VLAN:
 283                                 printf(" - Inner L2 type: ETHER_VLAN");
 284                                 break;
 285                         default:
 286                                 printf(" - Inner L2 type: Unknown");
 287                                 break;
 288                         }
 289
 290                         /* inner L3 packet type */
 291                         ptype = mb->packet_type & RTE_PTYPE_INNER_L3_MASK;
 292                         switch (ptype) {
 293                         case RTE_PTYPE_INNER_L3_IPV4:
 294                                 printf(" - Inner L3 type: IPV4");
 295                                 break;
 296                         case RTE_PTYPE_INNER_L3_IPV4_EXT:
 297                                 printf(" - Inner L3 type: IPV4_EXT");
 298                                 break;
 299                         case RTE_PTYPE_INNER_L3_IPV6:
 300                                 printf(" - Inner L3 type: IPV6");
 301                                 break;
 302                         case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN:
 303                                 printf(" - Inner L3 type: IPV4_EXT_UNKNOWN");
 304                                 break;
 305                         case RTE_PTYPE_INNER_L3_IPV6_EXT:
 306                                 printf(" - Inner L3 type: IPV6_EXT");
 307                                 break;
 308                         case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN:
 309                                 printf(" - Inner L3 type: IPV6_EXT_UNKNOWN");
 310                                 break;
 311                         default:
 312                                 printf(" - Inner L3 type: Unknown");
 313                                 break;
 314                         }
 315
 316                         /* inner L4 packet type */
 317                         ptype = mb->packet_type & RTE_PTYPE_INNER_L4_MASK;
 318                         switch (ptype) {
 319                         case RTE_PTYPE_INNER_L4_TCP:
 320                                 printf(" - Inner L4 type: TCP");
 321                                 break;
 322                         case RTE_PTYPE_INNER_L4_UDP:
 323                                 printf(" - Inner L4 type: UDP");
 324                                 break;
 325                         case RTE_PTYPE_INNER_L4_FRAG:
 326                                 printf(" - Inner L4 type: L4_FRAG");
 327                                 break;
 328                         case RTE_PTYPE_INNER_L4_SCTP:
 329                                 printf(" - Inner L4 type: SCTP");
 330                                 break;
 331                         case RTE_PTYPE_INNER_L4_ICMP:
 332                                 printf(" - Inner L4 type: ICMP");
 333                                 break;
 334                         case RTE_PTYPE_INNER_L4_NONFRAG:
 335                                 printf(" - Inner L4 type: L4_NONFRAG");
 336                                 break;
 337                         default:
 338                                 printf(" - Inner L4 type: Unknown");
 339                                 break;
 340                         }
 341                         printf("\n");
 342                 } else
 343                         printf("Unknown packet type\n");
 344 #endif /* RTE_NEXT_ABI */
 345                 if (is_encapsulation) {
 346                         struct ipv4_hdr *ipv4_hdr;
 347                         struct ipv6_hdr *ipv6_hdr;
 348                         struct udp_hdr *udp_hdr;
 349                         uint8_t l2_len;
 350                         uint8_t l3_len;
 351                         uint8_t l4_len;
 352                         uint8_t l4_proto;
 353                         struct  vxlan_hdr *vxlan_hdr;
 354
 355                         l2_len  = sizeof(struct ether_hdr);
 356
 357                          /* Do not support ipv4 option field */
 358 #ifdef RTE_NEXT_ABI
 359                         if (RTE_ETH_IS_IPV4_HDR(packet_type)) {
 360 #else
 361                         if (ol_flags & PKT_RX_TUNNEL_IPV4_HDR) {
 362 #endif
 363                                 l3_len = sizeof(struct ipv4_hdr);
 364                                 ipv4_hdr = rte_pktmbuf_mtod_offset(mb,
 365                                                                    struct ipv4_hdr *,
 366                                                                    l2_len);
 367                                 l4_proto = ipv4_hdr->next_proto_id;
 368                         } else {
 369                                 l3_len = sizeof(struct ipv6_hdr);
 370                                 ipv6_hdr = rte_pktmbuf_mtod_offset(mb,
 371                                                                    struct ipv6_hdr *,
 372                                                                    l2_len);
 373                                 l4_proto = ipv6_hdr->proto;
 374                         }
 375                         if (l4_proto == IPPROTO_UDP) {
 376                                 udp_hdr = rte_pktmbuf_mtod_offset(mb,
 377                                                                   struct udp_hdr *,
 378                                                                   l2_len + l3_len);
 379                                 l4_len = sizeof(struct udp_hdr);
 380                                 vxlan_hdr = rte_pktmbuf_mtod_offset(mb,
 381                                                                     struct vxlan_hdr *,
 382                                                                     l2_len + l3_len + l4_len);
 383
 384                                 printf(" - VXLAN packet: packet type =%d, "
 385                                         "Destination UDP port =%d, VNI = %d",
 386                                         packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port),
 387                                         rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8);
 388                         }
 389                 }
 390                 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue);
 391                 printf("\n");
 392                 if (ol_flags != 0) {
 393                         unsigned rxf;
 394                         const char *name;
 395
 396                         for (rxf = 0; rxf < sizeof(mb->ol_flags) * 8; rxf++) {
 397                                 if ((ol_flags & (1ULL << rxf)) == 0)
 398                                         continue;
 399                                 name = rte_get_rx_ol_flag_name(1ULL << rxf);
 400                                 if (name == NULL)
 401                                         continue;
 402                                 printf("  %s\n", name);
 403                         }
 404                 }
 405                 rte_pktmbuf_free(mb);
 406         }
 407
 408 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 409         end_tsc = rte_rdtsc();
 410         core_cycles = (end_tsc - start_tsc);
 411         fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
 412 #endif
 413 }
 414
 415 struct fwd_engine rx_only_engine = {
 416         .fwd_mode_name  = "rxonly",
 417         .port_fwd_begin = NULL,
 418         .port_fwd_end   = NULL,
 419         .packet_fwd     = pkt_burst_receive,
 420 };