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_tailq.h>
  55 #include <rte_eal.h>
  56 #include <rte_per_lcore.h>
  57 #include <rte_lcore.h>
  58 #include <rte_atomic.h>
  59 #include <rte_branch_prediction.h>
  60 #include <rte_ring.h>
  61 #include <rte_memory.h>
  62 #include <rte_mempool.h>
  63 #include <rte_mbuf.h>
  64 #include <rte_interrupts.h>
  65 #include <rte_pci.h>
  66 #include <rte_ether.h>
  67 #include <rte_ethdev.h>
  68 #include <rte_string_fns.h>
  69
  70 #include "testpmd.h"
  71
  72 #define MAX_PKT_RX_FLAGS 11
  73 static const char *pkt_rx_flag_names[MAX_PKT_RX_FLAGS] = {
  74         "VLAN_PKT",
  75         "RSS_HASH",
  76         "PKT_RX_FDIR",
  77         "IP_CKSUM",
  78         "IP_CKSUM_BAD",
  79
  80         "IPV4_HDR",
  81         "IPV4_HDR_EXT",
  82         "IPV6_HDR",
  83         "IPV6_HDR_EXT",
  84
  85         "IEEE1588_PTP",
  86         "IEEE1588_TMST",
  87 };
  88
  89 static inline void
  90 print_ether_addr(const char *what, struct ether_addr *eth_addr)
  91 {
  92         printf("%s%02X:%02X:%02X:%02X:%02X:%02X",
  93                what,
  94                eth_addr->addr_bytes[0],
  95                eth_addr->addr_bytes[1],
  96                eth_addr->addr_bytes[2],
  97                eth_addr->addr_bytes[3],
  98                eth_addr->addr_bytes[4],
  99                eth_addr->addr_bytes[5]);
 100 }
 101
 102 /*
 103  * Received a burst of packets.
 104  */
 105 static void
 106 pkt_burst_receive(struct fwd_stream *fs)
 107 {
 108         struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
 109         struct rte_mbuf  *mb;
 110         struct ether_hdr *eth_hdr;
 111         uint16_t eth_type;
 112         uint16_t ol_flags;
 113         uint16_t nb_rx;
 114         uint16_t i;
 115 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 116         uint64_t start_tsc;
 117         uint64_t end_tsc;
 118         uint64_t core_cycles;
 119 #endif
 120
 121 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 122         start_tsc = rte_rdtsc();
 123 #endif
 124
 125         /*
 126          * Receive a burst of packets.
 127          */
 128         nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
 129                                  nb_pkt_per_burst);
 130         if (unlikely(nb_rx == 0))
 131                 return;
 132
 133 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
 134         fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
 135 #endif
 136         fs->rx_packets += nb_rx;
 137
 138         /*
 139          * Dump each received packet if verbose_level > 0.
 140          */
 141         if (verbose_level > 0)
 142                 printf("port %u/queue %u: received %u packets\n",
 143                        (unsigned) fs->rx_port,
 144                        (unsigned) fs->rx_queue,
 145                        (unsigned) nb_rx);
 146         for (i = 0; i < nb_rx; i++) {
 147                 mb = pkts_burst[i];
 148                 if (verbose_level == 0) {
 149                         rte_pktmbuf_free(mb);
 150                         continue;
 151                 }
 152                 eth_hdr = (struct ether_hdr *) mb->data;
 153                 eth_type = RTE_BE_TO_CPU_16(eth_hdr->ether_type);
 154                 ol_flags = mb->ol_flags;
 155                 print_ether_addr("  src=", &eth_hdr->s_addr);
 156                 print_ether_addr(" - dst=", &eth_hdr->d_addr);
 157                 printf(" - type=0x%04x - length=%u - nb_segs=%d",
 158                        eth_type, (unsigned) mb->pkt_len,
 159                        (int)mb->nb_segs);
 160                 if (ol_flags & PKT_RX_RSS_HASH) {
 161                         printf(" - RSS hash=0x%x", (unsigned) mb->hash.rss);
 162                         printf(" - RSS queue=0x%x",(unsigned) fs->rx_queue);
 163                 }
 164                 else if (ol_flags & PKT_RX_FDIR)
 165                         printf(" - FDIR hash=0x%x - FDIR id=0x%x ",
 166                                mb->hash.fdir.hash, mb->hash.fdir.id);
 167                 if (ol_flags & PKT_RX_VLAN_PKT)
 168                         printf(" - VLAN tci=0x%x", mb->vlan_tci);
 169                 printf("\n");
 170                 if (ol_flags != 0) {
 171                         int rxf;
 172
 173                         for (rxf = 0; rxf < MAX_PKT_RX_FLAGS; rxf++) {
 174                                 if (ol_flags & (1 << rxf))
 175                                         printf("  PKT_RX_%s\n",
 176                                                pkt_rx_flag_names[rxf]);
 177                         }
 178                 }
 179                 rte_pktmbuf_free(mb);
 180         }
 181
 182 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
 183         end_tsc = rte_rdtsc();
 184         core_cycles = (end_tsc - start_tsc);
 185         fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
 186 #endif
 187 }
 188
 189 struct fwd_engine rx_only_engine = {
 190         .fwd_mode_name  = "rxonly",
 191         .port_fwd_begin = NULL,
 192         .port_fwd_end   = NULL,
 193         .packet_fwd     = pkt_burst_receive,
 194 };