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_atomic.h> 25 #include <rte_cycles.h> 26 #include <rte_prefetch.h> 27 #include <rte_branch_prediction.h> 28 #include <rte_interrupts.h> 29 #include <rte_pci.h> 30 #include <rte_random.h> 31 #include <rte_debug.h> 32 #include <rte_ether.h> 33 #include <rte_ethdev.h> 34 #include <rte_ring.h> 35 #include <rte_mempool.h> 36 #include <rte_mbuf.h> 37 #include <rte_ip.h> 38 #include <rte_tcp.h> 39 #include <rte_lpm.h> 40 #include <rte_lpm6.h> 41 #include <rte_malloc.h> 42 43 #include "main.h" 44 45 void 46 app_main_loop_rx(void) { 47 uint32_t i; 48 int ret; 49 50 RTE_LOG(INFO, USER1, "Core %u is doing RX\n", rte_lcore_id()); 51 52 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 53 uint16_t n_mbufs; 54 55 n_mbufs = rte_eth_rx_burst( 56 app.ports[i], 57 0, 58 app.mbuf_rx.array, 59 app.burst_size_rx_read); 60 61 if (n_mbufs == 0) 62 continue; 63 64 do { 65 ret = rte_ring_sp_enqueue_bulk( 66 app.rings_rx[i], 67 (void **) app.mbuf_rx.array, 68 n_mbufs, NULL); 69 } while (ret == 0); 70 } 71 } 72 73 void 74 app_main_loop_worker(void) { 75 struct app_mbuf_array *worker_mbuf; 76 uint32_t i; 77 78 RTE_LOG(INFO, USER1, "Core %u is doing work (no pipeline)\n", 79 rte_lcore_id()); 80 81 worker_mbuf = rte_malloc_socket(NULL, sizeof(struct app_mbuf_array), 82 RTE_CACHE_LINE_SIZE, rte_socket_id()); 83 if (worker_mbuf == NULL) 84 rte_panic("Worker thread: cannot allocate buffer space\n"); 85 86 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 87 int ret; 88 89 ret = rte_ring_sc_dequeue_bulk( 90 app.rings_rx[i], 91 (void **) worker_mbuf->array, 92 app.burst_size_worker_read, 93 NULL); 94 95 if (ret == 0) 96 continue; 97 98 do { 99 ret = rte_ring_sp_enqueue_bulk( 100 app.rings_tx[i ^ 1], 101 (void **) worker_mbuf->array, 102 app.burst_size_worker_write, 103 NULL); 104 } while (ret == 0); 105 } 106 } 107 108 void 109 app_main_loop_tx(void) { 110 uint32_t i; 111 112 RTE_LOG(INFO, USER1, "Core %u is doing TX\n", rte_lcore_id()); 113 114 for (i = 0; ; i = ((i + 1) & (app.n_ports - 1))) { 115 uint16_t n_mbufs, n_pkts; 116 int ret; 117 118 n_mbufs = app.mbuf_tx[i].n_mbufs; 119 120 ret = rte_ring_sc_dequeue_bulk( 121 app.rings_tx[i], 122 (void **) &app.mbuf_tx[i].array[n_mbufs], 123 app.burst_size_tx_read, 124 NULL); 125 126 if (ret == 0) 127 continue; 128 129 n_mbufs += app.burst_size_tx_read; 130 131 if (n_mbufs < app.burst_size_tx_write) { 132 app.mbuf_tx[i].n_mbufs = n_mbufs; 133 continue; 134 } 135 136 n_pkts = rte_eth_tx_burst( 137 app.ports[i], 138 0, 139 app.mbuf_tx[i].array, 140 n_mbufs); 141 142 if (n_pkts < n_mbufs) { 143 uint16_t k; 144 145 for (k = n_pkts; k < n_mbufs; k++) { 146 struct rte_mbuf *pkt_to_free; 147 148 pkt_to_free = app.mbuf_tx[i].array[k]; 149 rte_pktmbuf_free(pkt_to_free); 150 } 151 } 152 153 app.mbuf_tx[i].n_mbufs = 0; 154 } 155 } 156