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Diffstat (limited to 'app/test-pipeline/runtime.c')
| -rw-r--r-- | app/test-pipeline/runtime.c | 184 |
1 files changed, 184 insertions, 0 deletions
diff --git a/app/test-pipeline/runtime.c b/app/test-pipeline/runtime.c new file mode 100644 index 00000000..42a6142c --- /dev/null +++ b/app/test-pipeline/runtime.c @@ -0,0 +1,184 @@ +/*- + * 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_lcore.h> +#include <rte_per_lcore.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); + } 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); + + if (ret == -ENOENT) + continue; + + do { + ret = rte_ring_sp_enqueue_bulk( + app.rings_tx[i ^ 1], + (void **) worker_mbuf->array, + app.burst_size_worker_write); + } 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); + + if (ret == -ENOENT) + 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; + } +} |