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-rw-r--r--examples/qos_sched/main.c254
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diff --git a/examples/qos_sched/main.c b/examples/qos_sched/main.c
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+/*-
+ * 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 <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_branch_prediction.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;
+
+ 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;
+}