DPDK  19.11.14-rc1
examples/qos_sched/main.c
/* SPDX-License-Identifier: BSD-3-Clause
* Copyright(c) 2010-2014 Intel Corporation
*/
#include <unistd.h>
#include <stdint.h>
#include <rte_log.h>
#include <rte_mbuf.h>
#include <rte_malloc.h>
#include <rte_cycles.h>
#include <rte_ethdev.h>
#include <rte_memcpy.h>
#include <rte_byteorder.h>
#include <rte_sched.h>
#include "main.h"
#define APP_MODE_NONE 0
#define APP_RX_MODE 1
#define APP_WT_MODE 2
#define APP_TX_MODE 4
uint8_t interactive = APP_INTERACTIVE_DEFAULT;
uint32_t qavg_period = APP_QAVG_PERIOD;
uint32_t qavg_ntimes = APP_QAVG_NTIMES;
/* main processing loop */
static int
app_main_loop(__attribute__((unused))void *dummy)
{
uint32_t lcore_id;
uint32_t i, mode;
uint32_t rx_idx = 0;
uint32_t wt_idx = 0;
uint32_t tx_idx = 0;
struct thread_conf *rx_confs[MAX_DATA_STREAMS];
struct thread_conf *wt_confs[MAX_DATA_STREAMS];
struct thread_conf *tx_confs[MAX_DATA_STREAMS];
memset(rx_confs, 0, sizeof(rx_confs));
memset(wt_confs, 0, sizeof(wt_confs));
memset(tx_confs, 0, sizeof(tx_confs));
mode = APP_MODE_NONE;
lcore_id = rte_lcore_id();
for (i = 0; i < nb_pfc; i++) {
struct flow_conf *flow = &qos_conf[i];
if (flow->rx_core == lcore_id) {
flow->rx_thread.rx_port = flow->rx_port;
flow->rx_thread.rx_ring = flow->rx_ring;
flow->rx_thread.rx_queue = flow->rx_queue;
flow->rx_thread.sched_port = flow->sched_port;
rx_confs[rx_idx++] = &flow->rx_thread;
mode |= APP_RX_MODE;
}
if (flow->tx_core == lcore_id) {
flow->tx_thread.tx_port = flow->tx_port;
flow->tx_thread.tx_ring = flow->tx_ring;
flow->tx_thread.tx_queue = flow->tx_queue;
tx_confs[tx_idx++] = &flow->tx_thread;
mode |= APP_TX_MODE;
}
if (flow->wt_core == lcore_id) {
flow->wt_thread.rx_ring = flow->rx_ring;
flow->wt_thread.tx_ring = flow->tx_ring;
flow->wt_thread.tx_port = flow->tx_port;
flow->wt_thread.sched_port = flow->sched_port;
wt_confs[wt_idx++] = &flow->wt_thread;
mode |= APP_WT_MODE;
}
}
if (mode == APP_MODE_NONE) {
RTE_LOG(INFO, APP, "lcore %u has nothing to do\n", lcore_id);
return -1;
}
if (mode == (APP_RX_MODE | APP_WT_MODE)) {
RTE_LOG(INFO, APP, "lcore %u was configured for both RX and WT !!!\n",
lcore_id);
return -1;
}
RTE_LOG(INFO, APP, "entering main loop on lcore %u\n", lcore_id);
/* initialize mbuf memory */
if (mode == APP_RX_MODE) {
for (i = 0; i < rx_idx; i++) {
RTE_LOG(INFO, APP, "flow%u lcoreid%u reading port%u\n",
i, lcore_id, rx_confs[i]->rx_port);
}
app_rx_thread(rx_confs);
}
else if (mode == (APP_TX_MODE | APP_WT_MODE)) {
for (i = 0; i < wt_idx; i++) {
wt_confs[i]->m_table = rte_malloc("table_wt", sizeof(struct rte_mbuf *)
* burst_conf.tx_burst, RTE_CACHE_LINE_SIZE);
if (wt_confs[i]->m_table == NULL)
rte_panic("flow %u unable to allocate memory buffer\n", i);
RTE_LOG(INFO, APP,
"flow %u lcoreid %u sched+write port %u\n",
i, lcore_id, wt_confs[i]->tx_port);
}
app_mixed_thread(wt_confs);
}
else if (mode == APP_TX_MODE) {
for (i = 0; i < tx_idx; i++) {
tx_confs[i]->m_table = rte_malloc("table_tx", sizeof(struct rte_mbuf *)
* burst_conf.tx_burst, RTE_CACHE_LINE_SIZE);
if (tx_confs[i]->m_table == NULL)
rte_panic("flow %u unable to allocate memory buffer\n", i);
RTE_LOG(INFO, APP, "flow%u lcoreid%u write port%u\n",
i, lcore_id, tx_confs[i]->tx_port);
}
app_tx_thread(tx_confs);
}
else if (mode == APP_WT_MODE){
for (i = 0; i < wt_idx; i++) {
RTE_LOG(INFO, APP, "flow %u lcoreid %u scheduling \n", i, lcore_id);
}
app_worker_thread(wt_confs);
}
return 0;
}
void
app_stat(void)
{
uint32_t i;
struct rte_eth_stats stats;
static struct rte_eth_stats rx_stats[MAX_DATA_STREAMS];
static struct rte_eth_stats tx_stats[MAX_DATA_STREAMS];
/* print statistics */
for(i = 0; i < nb_pfc; i++) {
struct flow_conf *flow = &qos_conf[i];
rte_eth_stats_get(flow->rx_port, &stats);
printf("\nRX port %"PRIu16": rx: %"PRIu64 " err: %"PRIu64
" no_mbuf: %"PRIu64 "\n",
flow->rx_port,
stats.ipackets - rx_stats[i].ipackets,
stats.ierrors - rx_stats[i].ierrors,
stats.rx_nombuf - rx_stats[i].rx_nombuf);
memcpy(&rx_stats[i], &stats, sizeof(stats));
rte_eth_stats_get(flow->tx_port, &stats);
printf("TX port %"PRIu16": tx: %" PRIu64 " err: %" PRIu64 "\n",
flow->tx_port,
stats.opackets - tx_stats[i].opackets,
stats.oerrors - tx_stats[i].oerrors);
memcpy(&tx_stats[i], &stats, sizeof(stats));
#if APP_COLLECT_STAT
printf("-------+------------+------------+\n");
printf(" | received | dropped |\n");
printf("-------+------------+------------+\n");
printf(" RX | %10" PRIu64 " | %10" PRIu64 " |\n",
flow->rx_thread.stat.nb_rx,
flow->rx_thread.stat.nb_drop);
printf("QOS+TX | %10" PRIu64 " | %10" PRIu64 " | pps: %"PRIu64 " \n",
flow->wt_thread.stat.nb_rx,
flow->wt_thread.stat.nb_drop,
flow->wt_thread.stat.nb_rx - flow->wt_thread.stat.nb_drop);
printf("-------+------------+------------+\n");
memset(&flow->rx_thread.stat, 0, sizeof(struct thread_stat));
memset(&flow->wt_thread.stat, 0, sizeof(struct thread_stat));
#endif
}
}
int
main(int argc, char **argv)
{
int ret;
ret = app_parse_args(argc, argv);
if (ret < 0)
return -1;
ret = app_init();
if (ret < 0)
return -1;
/* launch per-lcore init on every lcore */
rte_eal_mp_remote_launch(app_main_loop, NULL, SKIP_MASTER);
if (interactive) {
sleep(1);
prompt();
}
else {
/* print statistics every second */
while(1) {
sleep(1);
app_stat();
}
}
/* clean up the EAL */
return 0;
}