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_branch_prediction.h>
  28 #include <rte_mempool.h>
  29 #include <rte_mbuf.h>
  30 #include <rte_interrupts.h>
  31 #include <rte_pci.h>
  32 #include <rte_ether.h>
  33 #include <rte_ethdev.h>
  34 #include <rte_string_fns.h>
  35 #include <rte_ip.h>
  36 #include <rte_udp.h>
  37 #include <rte_net.h>
  38 #include <rte_flow.h>
  39
  40 #include "testpmd.h"
  41
  42 /*
  43  * Received a burst of packets.
  44  */
  45 static void
  46 pkt_burst_receive(struct fwd_stream *fs)
  47 {
  48         struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
  49         uint16_t nb_rx;
  50         uint16_t i;
  51         uint64_t start_tsc = 0;
  52
  53         get_start_cycles(&start_tsc);
  54
  55         /*
  56          * Receive a burst of packets.
  57          */
  58         nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
  59                                  nb_pkt_per_burst);
  60         inc_rx_burst_stats(fs, nb_rx);
  61         if (unlikely(nb_rx == 0))
  62                 return;
  63
  64         fs->rx_packets += nb_rx;
  65         for (i = 0; i < nb_rx; i++)
  66                 rte_pktmbuf_free(pkts_burst[i]);
  67
  68         get_end_cycles(fs, start_tsc);
  69 }
  70
  71 static void
  72 stream_init_receive(struct fwd_stream *fs)
  73 {
  74         fs->disabled = ports[fs->rx_port].rxq[fs->rx_queue].state ==
  75                                                 RTE_ETH_QUEUE_STATE_STOPPED;
  76 }
  77
  78 struct fwd_engine rx_only_engine = {
  79         .fwd_mode_name  = "rxonly",
  80         .port_fwd_begin = NULL,
  81         .port_fwd_end   = NULL,
  82         .stream_init    = stream_init_receive,
  83         .packet_fwd     = pkt_burst_receive,
  84 };