X-Git-Url: https://gerrit.fd.io/r/gitweb?a=blobdiff_plain;f=examples%2Fqos_sched%2Fmain.c;fp=examples%2Fqos_sched%2Fmain.c;h=e16b164dd260628841d67f6f82794baa5b24c9d7;hb=97f17497d162afdb82c8704bf097f0fee3724b2e;hp=0000000000000000000000000000000000000000;hpb=e04be89c2409570e0055b2cda60bd11395bb93b0;p=deb_dpdk.git diff --git a/examples/qos_sched/main.c b/examples/qos_sched/main.c new file mode 100644 index 00000000..e16b164d --- /dev/null +++ b/examples/qos_sched/main.c @@ -0,0 +1,254 @@ +/*- + * BSD LICENSE + * + * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * * Neither the name of Intel Corporation nor the names of its + * contributors may be used to endorse or promote products derived + * from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT + * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, + * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT + * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, + * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY + * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT + * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE + * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include +#include + +#include +#include +#include +#include +#include +#include +#include +#include + +#include + +#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; + + 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 %"PRIu8"\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 %"PRIu8"\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 " + "writing port %"PRIu8"\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 %"PRIu8": 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 %"PRIu8": 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)); + + //printf("MP = %d\n", rte_mempool_count(conf->app_pktmbuf_pool)); + +#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(); + } + } + + return 0; +}