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_memory.h>
  60 #include <rte_mempool.h>
  61 #include <rte_mbuf.h>
  62 #include <rte_interrupts.h>
  63 #include <rte_pci.h>
  64 #include <rte_ether.h>
  65 #include <rte_ethdev.h>
  66 #include <rte_string_fns.h>
  67 #include <rte_ip.h>
  68 #include <rte_udp.h>
  69
  70 #include "testpmd.h"
  71
  72 static inline void
  73 print_ether_addr(const char *what, struct ether_addr *eth_addr)
  74 {
  75         char buf[ETHER_ADDR_FMT_SIZE];
  76         ether_format_addr(buf, ETHER_ADDR_FMT_SIZE, eth_addr);
  77         printf("%s%s", what, buf);
  78 }
  79
  80 /*
  81  * Received a burst of packets.
  82  */
  83 static void
  84 pkt_burst_receive(struct fwd_stream *fs)
  85 {
  86         struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
  87         struct rte_mbuf  *mb;
  88         struct ether_hdr *eth_hdr;
  89         uint16_t eth_type;
  90         uint64_t ol_flags;
  91         uint16_t nb_rx;
  92         uint16_t i, packet_type;
  93         uint16_t is_encapsulation;
  94
  95 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
  96         uint64_t start_tsc;
  97         uint64_t end_tsc;
  98         uint64_t core_cycles;
  99 #endif
 100
 101 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 102         start_tsc = rte_rdtsc();
 103 #endif
 104
 105         /*
 106          * Receive a burst of packets.
 107          */
 108         nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
 109                                  nb_pkt_per_burst);
 110         if (unlikely(nb_rx == 0))
 111                 return;
 112
 113 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
 114         fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
 115 #endif
 116         fs->rx_packets += nb_rx;
 117
 118         /*
 119          * Dump each received packet if verbose_level > 0.
 120          */
 121         if (verbose_level > 0)
 122                 printf("port %u/queue %u: received %u packets\n",
 123                        (unsigned) fs->rx_port,
 124                        (unsigned) fs->rx_queue,
 125                        (unsigned) nb_rx);
 126         for (i = 0; i < nb_rx; i++) {
 127                 mb = pkts_burst[i];
 128                 if (verbose_level == 0) {
 129                         rte_pktmbuf_free(mb);
 130                         continue;
 131                 }
 132                 eth_hdr = rte_pktmbuf_mtod(mb, struct ether_hdr *);
 133                 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
 134                 ol_flags = mb->ol_flags;
 135                 packet_type = mb->packet_type;
 136                 is_encapsulation = RTE_ETH_IS_TUNNEL_PKT(packet_type);
 137
 138                 print_ether_addr("  src=", &eth_hdr->s_addr);
 139                 print_ether_addr(" - dst=", &eth_hdr->d_addr);
 140                 printf(" - type=0x%04x - length=%u - nb_segs=%d",
 141                        eth_type, (unsigned) mb->pkt_len,
 142                        (int)mb->nb_segs);
 143                 if (ol_flags & PKT_RX_RSS_HASH) {
 144                         printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
 145                         printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
 146                 } else if (ol_flags & PKT_RX_FDIR) {
 147                         printf(" - FDIR matched ");
 148                         if (ol_flags & PKT_RX_FDIR_ID)
 149                                 printf("ID=0x%x",
 150                                        mb->hash.fdir.hi);
 151                         else if (ol_flags & PKT_RX_FDIR_FLX)
 152                                 printf("flex bytes=0x%08x %08x",
 153                                        mb->hash.fdir.hi, mb->hash.fdir.lo);
 154                         else
 155                                 printf("hash=0x%x ID=0x%x ",
 156                                        mb->hash.fdir.hash, mb->hash.fdir.id);
 157                 }
 158                 if (ol_flags & PKT_RX_VLAN_STRIPPED)
 159                         printf(" - VLAN tci=0x%x", mb->vlan_tci);
 160                 if (ol_flags & PKT_RX_QINQ_STRIPPED)
 161                         printf(" - QinQ VLAN tci=0x%x, VLAN tci outer=0x%x",
 162                                         mb->vlan_tci, mb->vlan_tci_outer);
 163                 if (mb->packet_type) {
 164                         uint32_t ptype;
 165
 166                         /* (outer) L2 packet type */
 167                         ptype = mb->packet_type & RTE_PTYPE_L2_MASK;
 168                         switch (ptype) {
 169                         case RTE_PTYPE_L2_ETHER:
 170                                 printf(" - (outer) L2 type: ETHER");
 171                                 break;
 172                         case RTE_PTYPE_L2_ETHER_TIMESYNC:
 173                                 printf(" - (outer) L2 type: ETHER_Timesync");
 174                                 break;
 175                         case RTE_PTYPE_L2_ETHER_ARP:
 176                                 printf(" - (outer) L2 type: ETHER_ARP");
 177                                 break;
 178                         case RTE_PTYPE_L2_ETHER_LLDP:
 179                                 printf(" - (outer) L2 type: ETHER_LLDP");
 180                                 break;
 181                         case RTE_PTYPE_L2_ETHER_NSH:
 182                                 printf(" - (outer) L2 type: ETHER_NSH");
 183                                 break;
 184                         default:
 185                                 printf(" - (outer) L2 type: Unknown");
 186                                 break;
 187                         }
 188
 189                         /* (outer) L3 packet type */
 190                         ptype = mb->packet_type & RTE_PTYPE_L3_MASK;
 191                         switch (ptype) {
 192                         case RTE_PTYPE_L3_IPV4:
 193                                 printf(" - (outer) L3 type: IPV4");
 194                                 break;
 195                         case RTE_PTYPE_L3_IPV4_EXT:
 196                                 printf(" - (outer) L3 type: IPV4_EXT");
 197                                 break;
 198                         case RTE_PTYPE_L3_IPV6:
 199                                 printf(" - (outer) L3 type: IPV6");
 200                                 break;
 201                         case RTE_PTYPE_L3_IPV4_EXT_UNKNOWN:
 202                                 printf(" - (outer) L3 type: IPV4_EXT_UNKNOWN");
 203                                 break;
 204                         case RTE_PTYPE_L3_IPV6_EXT:
 205                                 printf(" - (outer) L3 type: IPV6_EXT");
 206                                 break;
 207                         case RTE_PTYPE_L3_IPV6_EXT_UNKNOWN:
 208                                 printf(" - (outer) L3 type: IPV6_EXT_UNKNOWN");
 209                                 break;
 210                         default:
 211                                 printf(" - (outer) L3 type: Unknown");
 212                                 break;
 213                         }
 214
 215                         /* (outer) L4 packet type */
 216                         ptype = mb->packet_type & RTE_PTYPE_L4_MASK;
 217                         switch (ptype) {
 218                         case RTE_PTYPE_L4_TCP:
 219                                 printf(" - (outer) L4 type: TCP");
 220                                 break;
 221                         case RTE_PTYPE_L4_UDP:
 222                                 printf(" - (outer) L4 type: UDP");
 223                                 break;
 224                         case RTE_PTYPE_L4_FRAG:
 225                                 printf(" - (outer) L4 type: L4_FRAG");
 226                                 break;
 227                         case RTE_PTYPE_L4_SCTP:
 228                                 printf(" - (outer) L4 type: SCTP");
 229                                 break;
 230                         case RTE_PTYPE_L4_ICMP:
 231                                 printf(" - (outer) L4 type: ICMP");
 232                                 break;
 233                         case RTE_PTYPE_L4_NONFRAG:
 234                                 printf(" - (outer) L4 type: L4_NONFRAG");
 235                                 break;
 236                         default:
 237                                 printf(" - (outer) L4 type: Unknown");
 238                                 break;
 239                         }
 240
 241                         /* packet tunnel type */
 242                         ptype = mb->packet_type & RTE_PTYPE_TUNNEL_MASK;
 243                         switch (ptype) {
 244                         case RTE_PTYPE_TUNNEL_IP:
 245                                 printf(" - Tunnel type: IP");
 246                                 break;
 247                         case RTE_PTYPE_TUNNEL_GRE:
 248                                 printf(" - Tunnel type: GRE");
 249                                 break;
 250                         case RTE_PTYPE_TUNNEL_VXLAN:
 251                                 printf(" - Tunnel type: VXLAN");
 252                                 break;
 253                         case RTE_PTYPE_TUNNEL_NVGRE:
 254                                 printf(" - Tunnel type: NVGRE");
 255                                 break;
 256                         case RTE_PTYPE_TUNNEL_GENEVE:
 257                                 printf(" - Tunnel type: GENEVE");
 258                                 break;
 259                         case RTE_PTYPE_TUNNEL_GRENAT:
 260                                 printf(" - Tunnel type: GRENAT");
 261                                 break;
 262                         default:
 263                                 printf(" - Tunnel type: Unknown");
 264                                 break;
 265                         }
 266
 267                         /* inner L2 packet type */
 268                         ptype = mb->packet_type & RTE_PTYPE_INNER_L2_MASK;
 269                         switch (ptype) {
 270                         case RTE_PTYPE_INNER_L2_ETHER:
 271                                 printf(" - Inner L2 type: ETHER");
 272                                 break;
 273                         case RTE_PTYPE_INNER_L2_ETHER_VLAN:
 274                                 printf(" - Inner L2 type: ETHER_VLAN");
 275                                 break;
 276                         default:
 277                                 printf(" - Inner L2 type: Unknown");
 278                                 break;
 279                         }
 280
 281                         /* inner L3 packet type */
 282                         ptype = mb->packet_type & RTE_PTYPE_INNER_L3_MASK;
 283                         switch (ptype) {
 284                         case RTE_PTYPE_INNER_L3_IPV4:
 285                                 printf(" - Inner L3 type: IPV4");
 286                                 break;
 287                         case RTE_PTYPE_INNER_L3_IPV4_EXT:
 288                                 printf(" - Inner L3 type: IPV4_EXT");
 289                                 break;
 290                         case RTE_PTYPE_INNER_L3_IPV6:
 291                                 printf(" - Inner L3 type: IPV6");
 292                                 break;
 293                         case RTE_PTYPE_INNER_L3_IPV4_EXT_UNKNOWN:
 294                                 printf(" - Inner L3 type: IPV4_EXT_UNKNOWN");
 295                                 break;
 296                         case RTE_PTYPE_INNER_L3_IPV6_EXT:
 297                                 printf(" - Inner L3 type: IPV6_EXT");
 298                                 break;
 299                         case RTE_PTYPE_INNER_L3_IPV6_EXT_UNKNOWN:
 300                                 printf(" - Inner L3 type: IPV6_EXT_UNKNOWN");
 301                                 break;
 302                         default:
 303                                 printf(" - Inner L3 type: Unknown");
 304                                 break;
 305                         }
 306
 307                         /* inner L4 packet type */
 308                         ptype = mb->packet_type & RTE_PTYPE_INNER_L4_MASK;
 309                         switch (ptype) {
 310                         case RTE_PTYPE_INNER_L4_TCP:
 311                                 printf(" - Inner L4 type: TCP");
 312                                 break;
 313                         case RTE_PTYPE_INNER_L4_UDP:
 314                                 printf(" - Inner L4 type: UDP");
 315                                 break;
 316                         case RTE_PTYPE_INNER_L4_FRAG:
 317                                 printf(" - Inner L4 type: L4_FRAG");
 318                                 break;
 319                         case RTE_PTYPE_INNER_L4_SCTP:
 320                                 printf(" - Inner L4 type: SCTP");
 321                                 break;
 322                         case RTE_PTYPE_INNER_L4_ICMP:
 323                                 printf(" - Inner L4 type: ICMP");
 324                                 break;
 325                         case RTE_PTYPE_INNER_L4_NONFRAG:
 326                                 printf(" - Inner L4 type: L4_NONFRAG");
 327                                 break;
 328                         default:
 329                                 printf(" - Inner L4 type: Unknown");
 330                                 break;
 331                         }
 332                         printf("\n");
 333                 } else
 334                         printf("Unknown packet type\n");
 335                 if (is_encapsulation) {
 336                         struct ipv4_hdr *ipv4_hdr;
 337                         struct ipv6_hdr *ipv6_hdr;
 338                         struct udp_hdr *udp_hdr;
 339                         uint8_t l2_len;
 340                         uint8_t l3_len;
 341                         uint8_t l4_len;
 342                         uint8_t l4_proto;
 343                         struct  vxlan_hdr *vxlan_hdr;
 344
 345                         l2_len  = sizeof(struct ether_hdr);
 346
 347                          /* Do not support ipv4 option field */
 348                         if (RTE_ETH_IS_IPV4_HDR(packet_type)) {
 349                                 l3_len = sizeof(struct ipv4_hdr);
 350                                 ipv4_hdr = rte_pktmbuf_mtod_offset(mb,
 351                                                                    struct ipv4_hdr *,
 352                                                                    l2_len);
 353                                 l4_proto = ipv4_hdr->next_proto_id;
 354                         } else {
 355                                 l3_len = sizeof(struct ipv6_hdr);
 356                                 ipv6_hdr = rte_pktmbuf_mtod_offset(mb,
 357                                                                    struct ipv6_hdr *,
 358                                                                    l2_len);
 359                                 l4_proto = ipv6_hdr->proto;
 360                         }
 361                         if (l4_proto == IPPROTO_UDP) {
 362                                 udp_hdr = rte_pktmbuf_mtod_offset(mb,
 363                                                                   struct udp_hdr *,
 364                                                                   l2_len + l3_len);
 365                                 l4_len = sizeof(struct udp_hdr);
 366                                 vxlan_hdr = rte_pktmbuf_mtod_offset(mb,
 367                                                                     struct vxlan_hdr *,
 368                                                                     l2_len + l3_len + l4_len);
 369
 370                                 printf(" - VXLAN packet: packet type =%d, "
 371                                         "Destination UDP port =%d, VNI = %d",
 372                                         packet_type, RTE_BE_TO_CPU_16(udp_hdr->dst_port),
 373                                         rte_be_to_cpu_32(vxlan_hdr->vx_vni) >> 8);
 374                         }
 375                 }
 376                 printf(" - Receive queue=0x%x", (unsigned) fs->rx_queue);
 377                 printf("\n");
 378                 if (ol_flags != 0) {
 379                         unsigned rxf;
 380                         const char *name;
 381
 382                         for (rxf = 0; rxf < sizeof(mb->ol_flags) * 8; rxf++) {
 383                                 if ((ol_flags & (1ULL << rxf)) == 0)
 384                                         continue;
 385                                 name = rte_get_rx_ol_flag_name(1ULL << rxf);
 386                                 if (name == NULL)
 387                                         continue;
 388                                 printf("  %s\n", name);
 389                         }
 390                 }
 391                 rte_pktmbuf_free(mb);
 392         }
 393
 394 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 395         end_tsc = rte_rdtsc();
 396         core_cycles = (end_tsc - start_tsc);
 397         fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
 398 #endif
 399 }
 400
 401 struct fwd_engine rx_only_engine = {
 402         .fwd_mode_name  = "rxonly",
 403         .port_fwd_begin = NULL,
 404         .port_fwd_end   = NULL,
 405         .packet_fwd     = pkt_burst_receive,
 406 };