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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 <stdio.h>
#include <stdlib.h>
#include <stdint.h>
#include <inttypes.h>
#include <sys/types.h>
#include <string.h>
#include <sys/queue.h>
#include <stdarg.h>
#include <errno.h>
#include <getopt.h>
#include <rte_common.h>
#include <rte_byteorder.h>
#include <rte_log.h>
#include <rte_memory.h>
#include <rte_memcpy.h>
#include <rte_memzone.h>
#include <rte_eal.h>
#include <rte_per_lcore.h>
#include <rte_launch.h>
#include <rte_atomic.h>
#include <rte_cycles.h>
#include <rte_prefetch.h>
#include <rte_branch_prediction.h>
#include <rte_interrupts.h>
#include <rte_pci.h>
#include <rte_random.h>
#include <rte_debug.h>
#include <rte_ether.h>
#include <rte_ethdev.h>
#include <rte_ring.h>
#include <rte_mempool.h>
#include <rte_mbuf.h>
#include <rte_ip.h>
#include <rte_tcp.h>
#include <rte_lpm.h>
#include <rte_lpm6.h>
#include <rte_malloc.h>
#include "main.h"
void
app_main_loop_rx(void) {
uint32_t i;
int ret;
RTE_LOG(INFO, USER1, "Core %u is doing RX\n", rte_lcore_id());
for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
uint16_t n_mbufs;
n_mbufs = rte_eth_rx_burst(
app.ports[i],
0,
app.mbuf_rx.array,
app.burst_size_rx_read);
if (n_mbufs == 0)
continue;
do {
ret = rte_ring_sp_enqueue_bulk(
app.rings_rx[i],
(void **) app.mbuf_rx.array,
n_mbufs, NULL);
} while (ret == 0);
}
}
void
app_main_loop_worker(void) {
struct app_mbuf_array *worker_mbuf;
uint32_t i;
RTE_LOG(INFO, USER1, "Core %u is doing work (no pipeline)\n",
rte_lcore_id());
worker_mbuf = rte_malloc_socket(NULL, sizeof(struct app_mbuf_array),
RTE_CACHE_LINE_SIZE, rte_socket_id());
if (worker_mbuf == NULL)
rte_panic("Worker thread: cannot allocate buffer space\n");
for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
int ret;
ret = rte_ring_sc_dequeue_bulk(
app.rings_rx[i],
(void **) worker_mbuf->array,
app.burst_size_worker_read,
NULL);
if (ret == 0)
continue;
do {
ret = rte_ring_sp_enqueue_bulk(
app.rings_tx[i ^ 1],
(void **) worker_mbuf->array,
app.burst_size_worker_write,
NULL);
} while (ret == 0);
}
}
void
app_main_loop_tx(void) {
uint32_t i;
RTE_LOG(INFO, USER1, "Core %u is doing TX\n", rte_lcore_id());
for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) {
uint16_t n_mbufs, n_pkts;
int ret;
n_mbufs = app.mbuf_tx[i].n_mbufs;
ret = rte_ring_sc_dequeue_bulk(
app.rings_tx[i],
(void **) &app.mbuf_tx[i].array[n_mbufs],
app.burst_size_tx_read,
NULL);
if (ret == 0)
continue;
n_mbufs += app.burst_size_tx_read;
if (n_mbufs < app.burst_size_tx_write) {
app.mbuf_tx[i].n_mbufs = n_mbufs;
continue;
}
n_pkts = rte_eth_tx_burst(
app.ports[i],
0,
app.mbuf_tx[i].array,
n_mbufs);
if (n_pkts < n_mbufs) {
uint16_t k;
for (k = n_pkts; k < n_mbufs; k++) {
struct rte_mbuf *pkt_to_free;
pkt_to_free = app.mbuf_tx[i].array[k];
rte_pktmbuf_free(pkt_to_free);
}
}
app.mbuf_tx[i].n_mbufs = 0;
}
}
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