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         uint16_t is_encapsulation;
  95
  96 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
  97         uint64_t start_tsc;
  98         uint64_t end_tsc;
  99         uint64_t core_cycles;
 100 #endif
 101
 102 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 103         start_tsc = rte_rdtsc();
 104 #endif
 105
 106         /*
 107          * Receive a burst of packets.
 108          */
 109         nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
 110                                  nb_pkt_per_burst);
 111         if (unlikely(nb_rx == 0))
 112                 return;
 113
 114 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
 115         fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
 116 #endif
 117         fs->rx_packets += nb_rx;
 118
 119         /*
 120          * Dump each received packet if verbose_level > 0.
 121          */
 122         if (verbose_level > 0)
 123                 printf("port %u/queue %u: received %u packets\n",
 124                        (unsigned) fs->rx_port,
 125                        (unsigned) fs->rx_queue,
 126                        (unsigned) nb_rx);
 127         for (i = 0; i < nb_rx; i++) {
 128                 mb = pkts_burst[i];
 129                 if (verbose_level == 0) {
 130                         rte_pktmbuf_free(mb);
 131                         continue;
 132                 }
 133                 eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
 134                 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
 135                 ol_flags = mb->ol_flags;
 136                 packet_type = mb->packet_type;
 137                 is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type);
 138
 139                 print_ether_addr("  src=", &eth_hdr->s_addr);
 140                 print_ether_addr(" - dst=", &eth_hdr->d_addr);
 141                 printf(" - type=0x%04x - length=%u - nb_segs=%d",
 142                        eth_type, (unsigned) mb->pkt_len,
 143                        (int)mb->nb_segs);
 144                 if (ol_flags & PKT_RX_RSS_HASH) {
 145                         printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
 146                         printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
 147                 } else if (ol_flags & PKT_RX_FDIR) {
 148                         printf(" - FDIR matched ");
 149                         if (ol_flags & PKT_RX_FDIR_ID)
 150                                 printf("ID=0x%x",
 151                                        mb->hash.fdir.hi);
 152                         else if (ol_flags & PKT_RX_FDIR_FLX)
 153                                 printf("flex bytes=0x%08x %08x",
 154                                        mb->hash.fdir.hi, mb->hash.fdir.lo);
 155                         else
 156                                 printf("hash=0x%x ID=0x%x ",
 157                                        mb->hash.fdir.hash, mb->hash.fdir.id);
 158                 }
 159                 if (ol_flags & PKT_RX_VLAN_STRIPPED)
 160                         printf(" - VLAN tci=0x%x", mb->vlan_tci);
 161                 if (ol_flags & PKT_RX_QINQ_STRIPPED)
 162                         printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x",
 163                                         mb->vlan_tci, mb->vlan_tci_outer);
 164                 if (mb->packet_type) {
 165                         uint32_t ptype;
 166
 167                         /* (outer) L2 packet type */
 168                         ptype = mb->packet_type & RTE_PTYPE_L2_MASK;
 169                         switch (ptype) {
 170                         case RTE_PTYPE_L2_ETHER:
 171                                 printf(" - (outer) L2 type: ETHER");
 172                                 break;
 173                         case RTE_PTYPE_L2_ETHER_TIMESYNC:
 174                                 printf(" - (outer) L2 type: ETHER_Timesync");
 175                                 break;
 176                         case RTE_PTYPE_L2_ETHER_ARP:
 177                                 printf(" - (outer) L2 type: ETHER_ARP");
 178                                 break;
 179                         case RTE_PTYPE_L2_ETHER_LLDP:
 180                                 printf(" - (outer) L2 type: ETHER_LLDP");
 181                                 break;
 182                         case RTE_PTYPE_L2_ETHER_NSH:
 183                                 printf(" - (outer) L2 type: ETHER_NSH");
 184                                 break;
 185                         default:
 186                                 printf(" - (outer) L2 type: Unknown");
 187                                 break;
 188                         }
 189
 190                         /* (outer) L3 packet type */
 191                         ptype = mb->packet_type & RTE_PTYPE_L3_MASK;
 192                         switch (ptype) {
 193                         case RTE_PTYPE_L3_IPV4:
 194                                 printf(" - (outer) L3 type: IPV4");
 195                                 break;
 196                         case RTE_PTYPE_L3_IPV4_EXT:
 197                                 printf(" - (outer) L3 type: IPV4_EXT");
 198                                 break;
 199                         case RTE_PTYPE_L3_IPV6:
 200                                 printf(" - (outer) L3 type: IPV6");
 201                                 break;
 202                         case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN:
 203                                 printf(" - (outer) L3 type: IPV4_EXT_UNKNOWN");
 204                                 break;
 205                         case RTE_PTYPE_L3_IPV6_EXT:
 206                                 printf(" - (outer) L3 type: IPV6_EXT");
 207                                 break;
 208                         case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN:
 209                                 printf(" - (outer) L3 type: IPV6_EXT_UNKNOWN");
 210                                 break;
 211                         default:
 212                                 printf(" - (outer) L3 type: Unknown");
 213                                 break;
 214                         }
 215
 216                         /* (outer) L4 packet type */
 217                         ptype = mb->packet_type & RTE_PTYPE_L4_MASK;
 218                         switch (ptype) {
 219                         case RTE_PTYPE_L4_TCP:
 220                                 printf(" - (outer) L4 type: TCP");
 221                                 break;
 222                         case RTE_PTYPE_L4_UDP:
 223                                 printf(" - (outer) L4 type: UDP");
 224                                 break;
 225                         case RTE_PTYPE_L4_FRAG:
 226                                 printf(" - (outer) L4 type: L4_FRAG");
 227                                 break;
 228                         case RTE_PTYPE_L4_SCTP:
 229                                 printf(" - (outer) L4 type: SCTP");
 230                                 break;
 231                         case RTE_PTYPE_L4_ICMP:
 232                                 printf(" - (outer) L4 type: ICMP");
 233                                 break;
 234                         case RTE_PTYPE_L4_NONFRAG:
 235                                 printf(" - (outer) L4 type: L4_NONFRAG");
 236                                 break;
 237                         default:
 238                                 printf(" - (outer) L4 type: Unknown");
 239                                 break;
 240                         }
 241
 242                         /* packet tunnel type */
 243                         ptype = mb->packet_type & RTE_PTYPE_TUNNEL_MASK;
 244                         switch (ptype) {
 245                         case RTE_PTYPE_TUNNEL_IP:
 246                                 printf(" - Tunnel type: IP");
 247                                 break;
 248                         case RTE_PTYPE_TUNNEL_GRE:
 249                                 printf(" - Tunnel type: GRE");
 250                                 break;
 251                         case RTE_PTYPE_TUNNEL_VXLAN:
 252                                 printf(" - Tunnel type: VXLAN");
 253                                 break;
 254                         case RTE_PTYPE_TUNNEL_NVGRE:
 255                                 printf(" - Tunnel type: NVGRE");
 256                                 break;
 257                         case RTE_PTYPE_TUNNEL_GENEVE:
 258                                 printf(" - Tunnel type: GENEVE");
 259                                 break;
 260                         case RTE_PTYPE_TUNNEL_GRENAT:
 261                                 printf(" - Tunnel type: GRENAT");
 262                                 break;
 263                         default:
 264                                 printf(" - Tunnel type: Unknown");
 265                                 break;
 266                         }
 267
 268                         /* inner L2 packet type */
 269                         ptype = mb->packet_type & RTE_PTYPE_INNER_L2_MASK;
 270                         switch (ptype) {
 271                         case RTE_PTYPE_INNER_L2_ETHER:
 272                                 printf(" - Inner L2 type: ETHER");
 273                                 break;
 274                         case RTE_PTYPE_INNER_L2_ETHER_VLAN:
 275                                 printf(" - Inner L2 type: ETHER_VLAN");
 276                                 break;
 277                         default:
 278                                 printf(" - Inner L2 type: Unknown");
 279                                 break;
 280                         }
 281
 282                         /* inner L3 packet type */
 283                         ptype = mb->packet_type & RTE_PTYPE_INNER_L3_MASK;
 284                         switch (ptype) {
 285                         case RTE_PTYPE_INNER_L3_IPV4:
 286                                 printf(" - Inner L3 type: IPV4");
 287                                 break;
 288                         case RTE_PTYPE_INNER_L3_IPV4_EXT:
 289                                 printf(" - Inner L3 type: IPV4_EXT");
 290                                 break;
 291                         case RTE_PTYPE_INNER_L3_IPV6:
 292                                 printf(" - Inner L3 type: IPV6");
 293                                 break;
 294                         case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN:
 295                                 printf(" - Inner L3 type: IPV4_EXT_UNKNOWN");
 296                                 break;
 297                         case RTE_PTYPE_INNER_L3_IPV6_EXT:
 298                                 printf(" - Inner L3 type: IPV6_EXT");
 299                                 break;
 300                         case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN:
 301                                 printf(" - Inner L3 type: IPV6_EXT_UNKNOWN");
 302                                 break;
 303                         default:
 304                                 printf(" - Inner L3 type: Unknown");
 305                                 break;
 306                         }
 307
 308                         /* inner L4 packet type */
 309                         ptype = mb->packet_type & RTE_PTYPE_INNER_L4_MASK;
 310                         switch (ptype) {
 311                         case RTE_PTYPE_INNER_L4_TCP:
 312                                 printf(" - Inner L4 type: TCP");
 313                                 break;
 314                         case RTE_PTYPE_INNER_L4_UDP:
 315                                 printf(" - Inner L4 type: UDP");
 316                                 break;
 317                         case RTE_PTYPE_INNER_L4_FRAG:
 318                                 printf(" - Inner L4 type: L4_FRAG");
 319                                 break;
 320                         case RTE_PTYPE_INNER_L4_SCTP:
 321                                 printf(" - Inner L4 type: SCTP");
 322                                 break;
 323                         case RTE_PTYPE_INNER_L4_ICMP:
 324                                 printf(" - Inner L4 type: ICMP");
 325                                 break;
 326                         case RTE_PTYPE_INNER_L4_NONFRAG:
 327                                 printf(" - Inner L4 type: L4_NONFRAG");
 328                                 break;
 329                         default:
 330                                 printf(" - Inner L4 type: Unknown");
 331                                 break;
 332                         }
 333                         printf("\n");
 334                 } else
 335                         printf("Unknown packet type\n");
 336                 if (is_encapsulation) {
 337                         struct ipv4_hdr *ipv4_hdr;
 338                         struct ipv6_hdr *ipv6_hdr;
 339                         struct udp_hdr *udp_hdr;
 340                         uint8_t l2_len;
 341                         uint8_t l3_len;
 342                         uint8_t l4_len;
 343                         uint8_t l4_proto;
 344                         struct  vxlan_hdr *vxlan_hdr;
 345
 346                         l2_len  = sizeof(struct ether_hdr);
 347
 348                          /* Do not support ipv4 option field */
 349                         if (RTE_ETH_IS_IPV4_HDR(packet_type)) {
 350                                 l3_len = sizeof(struct ipv4_hdr);
 351                                 ipv4_hdr = rte_pktmbuf_mtod_offset(mb,
 352                                                                    struct ipv4_hdr *,
 353                                                                    l2_len);
 354                                 l4_proto = ipv4_hdr->next_proto_id;
 355                         } else {
 356                                 l3_len = sizeof(struct ipv6_hdr);
 357                                 ipv6_hdr = rte_pktmbuf_mtod_offset(mb,
 358                                                                    struct ipv6_hdr *,
 359                                                                    l2_len);
 360                                 l4_proto = ipv6_hdr->proto;
 361                         }
 362                         if (l4_proto == IPPROTO_UDP) {
 363                                 udp_hdr = rte_pktmbuf_mtod_offset(mb,
 364                                                                   struct udp_hdr *,
 365                                                                   l2_len + l3_len);
 366                                 l4_len = sizeof(struct udp_hdr);
 367                                 vxlan_hdr = rte_pktmbuf_mtod_offset(mb,
 368                                                                     struct vxlan_hdr *,
 369                                                                     l2_len + l3_len + l4_len);
 370
 371                                 printf(" - VXLAN packet: packet type =%d, "
 372                                         "Destination UDP port =%d, VNI = %d",
 373                                         packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port),
 374                                         rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8);
 375                         }
 376                 }
 377                 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue);
 378                 printf("\n");
 379                 if (ol_flags != 0) {
 380                         unsigned rxf;
 381                         const char *name;
 382
 383                         for (rxf = 0; rxf < sizeof(mb->ol_flags) * 8; rxf++) {
 384                                 if ((ol_flags & (1ULL << rxf)) == 0)
 385                                         continue;
 386                                 name = rte_get_rx_ol_flag_name(1ULL << rxf);
 387                                 if (name == NULL)
 388                                         continue;
 389                                 printf("  %s\n", name);
 390                         }
 391                 }
 392                 rte_pktmbuf_free(mb);
 393         }
 394
 395 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 396         end_tsc = rte_rdtsc();
 397         core_cycles = (end_tsc - start_tsc);
 398         fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
 399 #endif
 400 }
 401
 402 struct fwd_engine rx_only_engine = {
 403         .fwd_mode_name  = "rxonly",
 404         .port_fwd_begin = NULL,
 405         .port_fwd_end   = NULL,
 406         .packet_fwd     = pkt_burst_receive,
 407 };