app/test-pmd/rxonly.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdarg.h>
   6 #include <string.h>
   7 #include <stdio.h>
   8 #include <errno.h>
   9 #include <stdint.h>
  10 #include <unistd.h>
  11 #include <inttypes.h>
  12
  13 #include <sys/queue.h>
  14 #include <sys/stat.h>
  15
  16 #include <rte_common.h>
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_debug.h>
  20 #include <rte_cycles.h>
  21 #include <rte_memory.h>
  22 #include <rte_memcpy.h>
  23 #include <rte_launch.h>
  24 #include <rte_eal.h>
  25 #include <rte_per_lcore.h>
  26 #include <rte_lcore.h>
  27 #include <rte_atomic.h>
  28 #include <rte_branch_prediction.h>
  29 #include <rte_mempool.h>
  30 #include <rte_mbuf.h>
  31 #include <rte_interrupts.h>
  32 #include <rte_pci.h>
  33 #include <rte_ether.h>
  34 #include <rte_ethdev.h>
  35 #include <rte_string_fns.h>
  36 #include <rte_ip.h>
  37 #include <rte_udp.h>
  38 #include <rte_net.h>
  39 #include <rte_flow.h>
  40
  41 #include "testpmd.h"
  42
  43 /*
  44  * Received a burst of packets.
  45  */
  46 static void
  47 pkt_burst_receive(struct fwd_stream *fs)
  48 {
  49         struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
  50         uint16_t nb_rx;
  51         uint16_t i;
  52
  53 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
  54         uint64_t start_tsc;
  55         uint64_t end_tsc;
  56         uint64_t core_cycles;
  57
  58         start_tsc = rte_rdtsc();
  59 #endif
  60
  61         /*
  62          * Receive a burst of packets.
  63          */
  64         nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
  65                                  nb_pkt_per_burst);
  66         if (unlikely(nb_rx == 0))
  67                 return;
  68
  69 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS
  70         fs->rx_burst_stats.pkt_burst_spread[nb_rx]++;
  71 #endif
  72         fs->rx_packets += nb_rx;
  73         for (i = 0; i < nb_rx; i++)
  74                 rte_pktmbuf_free(pkts_burst[i]);
  75
  76 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES
  77         end_tsc = rte_rdtsc();
  78         core_cycles = (end_tsc - start_tsc);
  79         fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles);
  80 #endif
  81 }
  82
  83 struct fwd_engine rx_only_engine = {
  84         .fwd_mode_name  = "rxonly",
  85         .port_fwd_begin = NULL,
  86         .port_fwd_end   = NULL,
  87         .packet_fwd     = pkt_burst_receive,
  88 };