1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdio.h> 6 #include <stdlib.h> 7 #include <stdint.h> 8 #include <inttypes.h> 9 #include <sys/types.h> 10 #include <string.h> 11 #include <sys/queue.h> 12 #include <stdarg.h> 13 #include <errno.h> 14 #include <getopt.h> 15 16 #include <rte_common.h> 17 #include <rte_byteorder.h> 18 #include <rte_log.h> 19 #include <rte_memory.h> 20 #include <rte_memcpy.h> 21 #include <rte_eal.h> 22 #include <rte_per_lcore.h> 23 #include <rte_launch.h> 24 #include <rte_cycles.h> 25 #include <rte_prefetch.h> 26 #include <rte_branch_prediction.h> 27 #include <rte_interrupts.h> 28 #include <rte_pci.h> 29 #include <rte_random.h> 30 #include <rte_debug.h> 31 #include <rte_ether.h> 32 #include <rte_ethdev.h> 33 #include <rte_ring.h> 34 #include <rte_mempool.h> 35 #include <rte_mbuf.h> 36 #include <rte_ip.h> 37 #include <rte_tcp.h> 38 #include <rte_lpm.h> 39 #include <rte_lpm6.h> 40 #include <rte_malloc.h> 41 42 #include "main.h" 43 44 void 45 app_main_loop_rx(void) { 46 uint32_t i; 47 int ret; 48 49 RTE_LOG(INFO, USER1, "Core %u is doing RX\n", rte_lcore_id()); 50 51 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 52 uint16_t n_mbufs; 53 54 n_mbufs = rte_eth_rx_burst( 55 app.ports[i], 56 0, 57 app.mbuf_rx.array, 58 app.burst_size_rx_read); 59 60 if (n_mbufs == 0) 61 continue; 62 63 do { 64 ret = rte_ring_sp_enqueue_bulk( 65 app.rings_rx[i], 66 (void **) app.mbuf_rx.array, 67 n_mbufs, NULL); 68 } while (ret == 0); 69 } 70 } 71 72 void 73 app_main_loop_worker(void) { 74 struct app_mbuf_array *worker_mbuf; 75 uint32_t i; 76 77 RTE_LOG(INFO, USER1, "Core %u is doing work (no pipeline)\n", 78 rte_lcore_id()); 79 80 worker_mbuf = rte_malloc_socket(NULL, sizeof(struct app_mbuf_array), 81 RTE_CACHE_LINE_SIZE, rte_socket_id()); 82 if (worker_mbuf == NULL) 83 rte_panic("Worker thread: cannot allocate buffer space\n"); 84 85 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 86 int ret; 87 88 ret = rte_ring_sc_dequeue_bulk( 89 app.rings_rx[i], 90 (void **) worker_mbuf->array, 91 app.burst_size_worker_read, 92 NULL); 93 94 if (ret == 0) 95 continue; 96 97 do { 98 ret = rte_ring_sp_enqueue_bulk( 99 app.rings_tx[i ^ 1], 100 (void **) worker_mbuf->array, 101 app.burst_size_worker_write, 102 NULL); 103 } while (ret == 0); 104 } 105 } 106 107 void 108 app_main_loop_tx(void) { 109 uint32_t i; 110 111 RTE_LOG(INFO, USER1, "Core %u is doing TX\n", rte_lcore_id()); 112 113 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 114 uint16_t n_mbufs, n_pkts; 115 int ret; 116 117 n_mbufs = app.mbuf_tx[i].n_mbufs; 118 119 ret = rte_ring_sc_dequeue_bulk( 120 app.rings_tx[i], 121 (void **) &app.mbuf_tx[i].array[n_mbufs], 122 app.burst_size_tx_read, 123 NULL); 124 125 if (ret == 0) 126 continue; 127 128 n_mbufs += app.burst_size_tx_read; 129 130 if (n_mbufs < app.burst_size_tx_write) { 131 app.mbuf_tx[i].n_mbufs = n_mbufs; 132 continue; 133 } 134 135 n_pkts = rte_eth_tx_burst( 136 app.ports[i], 137 0, 138 app.mbuf_tx[i].array, 139 n_mbufs); 140 141 if (n_pkts < n_mbufs) { 142 uint16_t k; 143 144 for (k = n_pkts; k < n_mbufs; k++) { 145 struct rte_mbuf *pkt_to_free; 146 147 pkt_to_free = app.mbuf_tx[i].array[k]; 148 rte_pktmbuf_free(pkt_to_free); 149 } 150 } 151 152 app.mbuf_tx[i].n_mbufs = 0; 153 } 154 } 155