app/test-pipeline/runtime.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <stdio.h>
   6 #include <stdlib.h>
   7 #include <stdint.h>
   8 #include <inttypes.h>
   9 #include <sys/types.h>
  10 #include <string.h>
  11 #include <sys/queue.h>
  12 #include <stdarg.h>
  13 #include <errno.h>
  14 #include <getopt.h>
  15
  16 #include <rte_common.h>
  17 #include <rte_byteorder.h>
  18 #include <rte_log.h>
  19 #include <rte_memory.h>
  20 #include <rte_memcpy.h>
  21 #include <rte_eal.h>
  22 #include <rte_per_lcore.h>
  23 #include <rte_launch.h>
  24 #include <rte_cycles.h>
  25 #include <rte_prefetch.h>
  26 #include <rte_branch_prediction.h>
  27 #include <rte_interrupts.h>
  28 #include <rte_pci.h>
  29 #include <rte_random.h>
  30 #include <rte_debug.h>
  31 #include <rte_ether.h>
  32 #include <rte_ethdev.h>
  33 #include <rte_ring.h>
  34 #include <rte_mempool.h>
  35 #include <rte_mbuf.h>
  36 #include <rte_ip.h>
  37 #include <rte_tcp.h>
  38 #include <rte_lpm.h>
  39 #include <rte_lpm6.h>
  40 #include <rte_malloc.h>
  41
  42 #include "main.h"
  43
  44 void
  45 app_main_loop_rx(void) {
  46         uint32_t i;
  47         int ret;
  48
  49         RTE_LOG(INFO, USER1, "Core %u is doing RX\n", rte_lcore_id());
  50
  51         for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
  52                 uint16_t n_mbufs;
  53
  54                 n_mbufs = rte_eth_rx_burst(
  55                         app.ports[i],
  56                         0,
  57                         app.mbuf_rx.array,
  58                         app.burst_size_rx_read);
  59
  60                 if (n_mbufs == 0)
  61                         continue;
  62
  63                 do {
  64                         ret = rte_ring_sp_enqueue_bulk(
  65                                 app.rings_rx[i],
  66                                 (void **) app.mbuf_rx.array,
  67                                 n_mbufs, NULL);
  68                 } while (ret == 0);
  69         }
  70 }
  71
  72 void
  73 app_main_loop_worker(void) {
  74         struct app_mbuf_array *worker_mbuf;
  75         uint32_t i;
  76
  77         RTE_LOG(INFO, USER1, "Core %u is doing work (no pipeline)\n",
  78                 rte_lcore_id());
  79
  80         worker_mbuf = rte_malloc_socket(NULL, sizeof(struct app_mbuf_array),
  81                         RTE_CACHE_LINE_SIZE, rte_socket_id());
  82         if (worker_mbuf == NULL)
  83                 rte_panic("Worker thread: cannot allocate buffer space\n");
  84
  85         for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
  86                 int ret;
  87
  88                 ret = rte_ring_sc_dequeue_bulk(
  89                         app.rings_rx[i],
  90                         (void **) worker_mbuf->array,
  91                         app.burst_size_worker_read,
  92                         NULL);
  93
  94                 if (ret == 0)
  95                         continue;
  96
  97                 do {
  98                         ret = rte_ring_sp_enqueue_bulk(
  99                                 app.rings_tx[i ^ 1],
 100                                 (void **) worker_mbuf->array,
 101                                 app.burst_size_worker_write,
 102                                 NULL);
 103                 } while (ret == 0);
 104         }
 105 }
 106
 107 void
 108 app_main_loop_tx(void) {
 109         uint32_t i;
 110
 111         RTE_LOG(INFO, USER1, "Core %u is doing TX\n", rte_lcore_id());
 112
 113         for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
 114                 uint16_t n_mbufs, n_pkts;
 115                 int ret;
 116
 117                 n_mbufs = app.mbuf_tx[i].n_mbufs;
 118
 119                 ret = rte_ring_sc_dequeue_bulk(
 120                         app.rings_tx[i],
 121                         (void **) &app.mbuf_tx[i].array[n_mbufs],
 122                         app.burst_size_tx_read,
 123                         NULL);
 124
 125                 if (ret == 0)
 126                         continue;
 127
 128                 n_mbufs += app.burst_size_tx_read;
 129
 130                 if (n_mbufs < app.burst_size_tx_write) {
 131                         app.mbuf_tx[i].n_mbufs = n_mbufs;
 132                         continue;
 133                 }
 134
 135                 n_pkts = rte_eth_tx_burst(
 136                         app.ports[i],
 137                         0,
 138                         app.mbuf_tx[i].array,
 139                         n_mbufs);
 140
 141                 if (n_pkts < n_mbufs) {
 142                         uint16_t k;
 143
 144                         for (k = n_pkts; k < n_mbufs; k++) {
 145                                 struct rte_mbuf *pkt_to_free;
 146
 147                                 pkt_to_free = app.mbuf_tx[i].array[k];
 148                                 rte_pktmbuf_free(pkt_to_free);
 149                         }
 150                 }
 151
 152                 app.mbuf_tx[i].n_mbufs = 0;
 153         }
 154 }