1 /*- 2 * BSD LICENSE 3 * 4 * Copyright(c) 2010-2014 Intel Corporation. All rights reserved. 5 * All rights reserved. 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 11 * * Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * * Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in 15 * the documentation and/or other materials provided with the 16 * distribution. 17 * * Neither the name of Intel Corporation nor the names of its 18 * contributors may be used to endorse or promote products derived 19 * from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 22 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 23 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 24 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 25 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 26 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 27 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 28 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 29 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 30 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 31 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 32 */ 33 34 #include <stdio.h> 35 #include <stdlib.h> 36 #include <stdint.h> 37 #include <inttypes.h> 38 #include <sys/types.h> 39 #include <string.h> 40 #include <sys/queue.h> 41 #include <stdarg.h> 42 #include <errno.h> 43 #include <getopt.h> 44 45 #include <rte_common.h> 46 #include <rte_byteorder.h> 47 #include <rte_log.h> 48 #include <rte_memory.h> 49 #include <rte_memcpy.h> 50 #include <rte_memzone.h> 51 #include <rte_tailq.h> 52 #include <rte_eal.h> 53 #include <rte_per_lcore.h> 54 #include <rte_launch.h> 55 #include <rte_atomic.h> 56 #include <rte_cycles.h> 57 #include <rte_prefetch.h> 58 #include <rte_lcore.h> 59 #include <rte_per_lcore.h> 60 #include <rte_branch_prediction.h> 61 #include <rte_interrupts.h> 62 #include <rte_pci.h> 63 #include <rte_random.h> 64 #include <rte_debug.h> 65 #include <rte_ether.h> 66 #include <rte_ethdev.h> 67 #include <rte_ring.h> 68 #include <rte_mempool.h> 69 #include <rte_mbuf.h> 70 #include <rte_ip.h> 71 #include <rte_tcp.h> 72 #include <rte_lpm.h> 73 #include <rte_lpm6.h> 74 #include <rte_malloc.h> 75 76 #include "main.h" 77 78 void 79 app_main_loop_rx(void) { 80 uint32_t i; 81 int ret; 82 83 RTE_LOG(INFO, USER1, "Core %u is doing RX\n", rte_lcore_id()); 84 85 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 86 uint16_t n_mbufs; 87 88 n_mbufs = rte_eth_rx_burst( 89 app.ports[i], 90 0, 91 app.mbuf_rx.array, 92 app.burst_size_rx_read); 93 94 if (n_mbufs == 0) 95 continue; 96 97 do { 98 ret = rte_ring_sp_enqueue_bulk( 99 app.rings_rx[i], 100 (void **) app.mbuf_rx.array, 101 n_mbufs); 102 } while (ret < 0); 103 } 104 } 105 106 void 107 app_main_loop_worker(void) { 108 struct app_mbuf_array *worker_mbuf; 109 uint32_t i; 110 111 RTE_LOG(INFO, USER1, "Core %u is doing work (no pipeline)\n", 112 rte_lcore_id()); 113 114 worker_mbuf = rte_malloc_socket(NULL, sizeof(struct app_mbuf_array), 115 CACHE_LINE_SIZE, rte_socket_id()); 116 if (worker_mbuf == NULL) 117 rte_panic("Worker thread: cannot allocate buffer space\n"); 118 119 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 120 int ret; 121 122 ret = rte_ring_sc_dequeue_bulk( 123 app.rings_rx[i], 124 (void **) worker_mbuf->array, 125 app.burst_size_worker_read); 126 127 if (ret == -ENOENT) 128 continue; 129 130 do { 131 ret = rte_ring_sp_enqueue_bulk( 132 app.rings_tx[i ^ 1], 133 (void **) worker_mbuf->array, 134 app.burst_size_worker_write); 135 } while (ret < 0); 136 } 137 } 138 139 void 140 app_main_loop_tx(void) { 141 uint32_t i; 142 143 RTE_LOG(INFO, USER1, "Core %u is doing TX\n", rte_lcore_id()); 144 145 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 146 uint16_t n_mbufs, n_pkts; 147 int ret; 148 149 n_mbufs = app.mbuf_tx[i].n_mbufs; 150 151 ret = rte_ring_sc_dequeue_bulk( 152 app.rings_tx[i], 153 (void **) &app.mbuf_tx[i].array[n_mbufs], 154 app.burst_size_tx_read); 155 156 if (ret == -ENOENT) 157 continue; 158 159 n_mbufs += app.burst_size_tx_read; 160 161 if (n_mbufs < app.burst_size_tx_write) { 162 app.mbuf_tx[i].n_mbufs = n_mbufs; 163 continue; 164 } 165 166 n_pkts = rte_eth_tx_burst( 167 app.ports[i], 168 0, 169 app.mbuf_tx[i].array, 170 n_mbufs); 171 172 if (n_pkts < n_mbufs) { 173 uint16_t k; 174 175 for (k = n_pkts; k < n_mbufs; k++) { 176 struct rte_mbuf *pkt_to_free; 177 178 pkt_to_free = app.mbuf_tx[i].array[k]; 179 rte_pktmbuf_free(pkt_to_free); 180 } 181 } 182 183 app.mbuf_tx[i].n_mbufs = 0; 184 } 185 } 186