examples/qos_sched/main.c

   1 /* SPDX-License-Identifier: BSD-3-Clause
   2  * Copyright(c) 2010-2014 Intel Corporation
   3  */
   4
   5 #include <unistd.h>
   6 #include <stdint.h>
   7
   8 #include <rte_log.h>
   9 #include <rte_mbuf.h>
  10 #include <rte_malloc.h>
  11 #include <rte_cycles.h>
  12 #include <rte_ethdev.h>
  13 #include <rte_memcpy.h>
  14 #include <rte_byteorder.h>
  15 #include <rte_branch_prediction.h>
  16
  17 #include <rte_sched.h>
  18
  19 #include "main.h"
  20
  21 #define APP_MODE_NONE 0
  22 #define APP_RX_MODE   1
  23 #define APP_WT_MODE   2
  24 #define APP_TX_MODE   4
  25
  26 uint8_t interactive = APP_INTERACTIVE_DEFAULT;
  27 uint32_t qavg_period = APP_QAVG_PERIOD;
  28 uint32_t qavg_ntimes = APP_QAVG_NTIMES;
  29
  30 /* main processing loop */
  31 static int
  32 app_main_loop(__attribute__((unused))void *dummy)
  33 {
  34         uint32_t lcore_id;
  35         uint32_t i, mode;
  36         uint32_t rx_idx = 0;
  37         uint32_t wt_idx = 0;
  38         uint32_t tx_idx = 0;
  39         struct thread_conf *rx_confs[MAX_DATA_STREAMS];
  40         struct thread_conf *wt_confs[MAX_DATA_STREAMS];
  41         struct thread_conf *tx_confs[MAX_DATA_STREAMS];
  42
  43         memset(rx_confs, 0, sizeof(rx_confs));
  44         memset(wt_confs, 0, sizeof(wt_confs));
  45         memset(tx_confs, 0, sizeof(tx_confs));
  46
  47
  48         mode = APP_MODE_NONE;
  49         lcore_id = rte_lcore_id();
  50
  51         for (i = 0; i < nb_pfc; i++) {
  52                 struct flow_conf *flow = &qos_conf[i];
  53
  54                 if (flow->rx_core == lcore_id) {
  55                         flow->rx_thread.rx_port = flow->rx_port;
  56                         flow->rx_thread.rx_ring =  flow->rx_ring;
  57                         flow->rx_thread.rx_queue = flow->rx_queue;
  58
  59                         rx_confs[rx_idx++] = &flow->rx_thread;
  60
  61                         mode |= APP_RX_MODE;
  62                 }
  63                 if (flow->tx_core == lcore_id) {
  64                         flow->tx_thread.tx_port = flow->tx_port;
  65                         flow->tx_thread.tx_ring =  flow->tx_ring;
  66                         flow->tx_thread.tx_queue = flow->tx_queue;
  67
  68                         tx_confs[tx_idx++] = &flow->tx_thread;
  69
  70                         mode |= APP_TX_MODE;
  71                 }
  72                 if (flow->wt_core == lcore_id) {
  73                         flow->wt_thread.rx_ring =  flow->rx_ring;
  74                         flow->wt_thread.tx_ring =  flow->tx_ring;
  75                         flow->wt_thread.tx_port =  flow->tx_port;
  76                         flow->wt_thread.sched_port =  flow->sched_port;
  77
  78                         wt_confs[wt_idx++] = &flow->wt_thread;
  79
  80                         mode |= APP_WT_MODE;
  81                 }
  82         }
  83
  84         if (mode == APP_MODE_NONE) {
  85                 RTE_LOG(INFO, APP, "lcore %u has nothing to do\n", lcore_id);
  86                 return -1;
  87         }
  88
  89         if (mode == (APP_RX_MODE | APP_WT_MODE)) {
  90                 RTE_LOG(INFO, APP, "lcore %u was configured for both RX and WT !!!\n",
  91                                  lcore_id);
  92                 return -1;
  93         }
  94
  95         RTE_LOG(INFO, APP, "entering main loop on lcore %u\n", lcore_id);
  96         /* initialize mbuf memory */
  97         if (mode == APP_RX_MODE) {
  98                 for (i = 0; i < rx_idx; i++) {
  99                         RTE_LOG(INFO, APP, "flow%u lcoreid%u reading port%u\n",
 100                                         i, lcore_id, rx_confs[i]->rx_port);
 101                 }
 102
 103                 app_rx_thread(rx_confs);
 104         }
 105         else if (mode == (APP_TX_MODE | APP_WT_MODE)) {
 106                 for (i = 0; i < wt_idx; i++) {
 107                         wt_confs[i]->m_table = rte_malloc("table_wt", sizeof(struct rte_mbuf *)
 108                                         * burst_conf.tx_burst, RTE_CACHE_LINE_SIZE);
 109
 110                         if (wt_confs[i]->m_table == NULL)
 111                                 rte_panic("flow %u unable to allocate memory buffer\n", i);
 112
 113                         RTE_LOG(INFO, APP,
 114                                 "flow %u lcoreid %u sched+write port %u\n",
 115                                         i, lcore_id, wt_confs[i]->tx_port);
 116                 }
 117
 118                 app_mixed_thread(wt_confs);
 119         }
 120         else if (mode == APP_TX_MODE) {
 121                 for (i = 0; i < tx_idx; i++) {
 122                         tx_confs[i]->m_table = rte_malloc("table_tx", sizeof(struct rte_mbuf *)
 123                                         * burst_conf.tx_burst, RTE_CACHE_LINE_SIZE);
 124
 125                         if (tx_confs[i]->m_table == NULL)
 126                                 rte_panic("flow %u unable to allocate memory buffer\n", i);
 127
 128                         RTE_LOG(INFO, APP, "flow%u lcoreid%u write port%u\n",
 129                                         i, lcore_id, tx_confs[i]->tx_port);
 130                 }
 131
 132                 app_tx_thread(tx_confs);
 133         }
 134         else if (mode == APP_WT_MODE){
 135                 for (i = 0; i < wt_idx; i++) {
 136                         RTE_LOG(INFO, APP, "flow %u lcoreid %u scheduling \n", i, lcore_id);
 137                 }
 138
 139                 app_worker_thread(wt_confs);
 140         }
 141
 142         return 0;
 143 }
 144
 145 void
 146 app_stat(void)
 147 {
 148         uint32_t i;
 149         struct rte_eth_stats stats;
 150         static struct rte_eth_stats rx_stats[MAX_DATA_STREAMS];
 151         static struct rte_eth_stats tx_stats[MAX_DATA_STREAMS];
 152
 153         /* print statistics */
 154         for(i = 0; i < nb_pfc; i++) {
 155                 struct flow_conf *flow = &qos_conf[i];
 156
 157                 rte_eth_stats_get(flow->rx_port, &stats);
 158                 printf("\nRX port %"PRIu16": rx: %"PRIu64 " err: %"PRIu64
 159                                 " no_mbuf: %"PRIu64 "\n",
 160                                 flow->rx_port,
 161                                 stats.ipackets - rx_stats[i].ipackets,
 162                                 stats.ierrors - rx_stats[i].ierrors,
 163                                 stats.rx_nombuf - rx_stats[i].rx_nombuf);
 164                 memcpy(&rx_stats[i], &stats, sizeof(stats));
 165
 166                 rte_eth_stats_get(flow->tx_port, &stats);
 167                 printf("TX port %"PRIu16": tx: %" PRIu64 " err: %" PRIu64 "\n",
 168                                 flow->tx_port,
 169                                 stats.opackets - tx_stats[i].opackets,
 170                                 stats.oerrors - tx_stats[i].oerrors);
 171                 memcpy(&tx_stats[i], &stats, sizeof(stats));
 172
 173 #if APP_COLLECT_STAT
 174                 printf("-------+------------+------------+\n");
 175                 printf("       |  received  |   dropped  |\n");
 176                 printf("-------+------------+------------+\n");
 177                 printf("  RX   | %10" PRIu64 " | %10" PRIu64 " |\n",
 178                         flow->rx_thread.stat.nb_rx,
 179                         flow->rx_thread.stat.nb_drop);
 180                 printf("QOS+TX | %10" PRIu64 " | %10" PRIu64 " |   pps: %"PRIu64 " \n",
 181                         flow->wt_thread.stat.nb_rx,
 182                         flow->wt_thread.stat.nb_drop,
 183                         flow->wt_thread.stat.nb_rx - flow->wt_thread.stat.nb_drop);
 184                 printf("-------+------------+------------+\n");
 185
 186                 memset(&flow->rx_thread.stat, 0, sizeof(struct thread_stat));
 187                 memset(&flow->wt_thread.stat, 0, sizeof(struct thread_stat));
 188 #endif
 189         }
 190 }
 191
 192 int
 193 main(int argc, char **argv)
 194 {
 195         int ret;
 196
 197         ret = app_parse_args(argc, argv);
 198         if (ret < 0)
 199                 return -1;
 200
 201         ret = app_init();
 202         if (ret < 0)
 203                 return -1;
 204
 205         /* launch per-lcore init on every lcore */
 206         rte_eal_mp_remote_launch(app_main_loop, NULL, SKIP_MASTER);
 207
 208         if (interactive) {
 209                 sleep(1);
 210                 prompt();
 211         }
 212         else {
 213                 /* print statistics every second */
 214                 while(1) {
 215                         sleep(1);
 216                         app_stat();
 217                 }
 218         }
 219
 220         return 0;
 221 }