1 /* SPDX-License-Identifier: BSD-3-Clause 2 * Copyright(c) 2010-2014 Intel Corporation 3 */ 4 5 #include <stdarg.h> 6 #include <string.h> 7 #include <stdio.h> 8 #include <errno.h> 9 #include <stdint.h> 10 #include <unistd.h> 11 #include <inttypes.h> 12 13 #include <sys/queue.h> 14 #include <sys/stat.h> 15 16 #include <rte_common.h> 17 #include <rte_byteorder.h> 18 #include <rte_log.h> 19 #include <rte_debug.h> 20 #include <rte_cycles.h> 21 #include <rte_memory.h> 22 #include <rte_memcpy.h> 23 #include <rte_launch.h> 24 #include <rte_eal.h> 25 #include <rte_per_lcore.h> 26 #include <rte_lcore.h> 27 #include <rte_atomic.h> 28 #include <rte_branch_prediction.h> 29 #include <rte_mempool.h> 30 #include <rte_mbuf.h> 31 #include <rte_interrupts.h> 32 #include <rte_pci.h> 33 #include <rte_ether.h> 34 #include <rte_ethdev.h> 35 #include <rte_string_fns.h> 36 #include <rte_ip.h> 37 #include <rte_udp.h> 38 #include <rte_net.h> 39 #include <rte_flow.h> 40 41 #include "testpmd.h" 42 43 /* 44 * Received a burst of packets. 45 */ 46 static void 47 pkt_burst_receive(struct fwd_stream *fs) 48 { 49 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 50 uint16_t nb_rx; 51 uint16_t i; 52 53 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 54 uint64_t start_tsc; 55 uint64_t end_tsc; 56 uint64_t core_cycles; 57 58 start_tsc = rte_rdtsc(); 59 #endif 60 61 /* 62 * Receive a burst of packets. 63 */ 64 nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst, 65 nb_pkt_per_burst); 66 if (unlikely(nb_rx == 0)) 67 return; 68 69 #ifdef RTE_TEST_PMD_RECORD_BURST_STATS 70 fs->rx_burst_stats.pkt_burst_spread[nb_rx]++; 71 #endif 72 fs->rx_packets += nb_rx; 73 for (i = 0; i < nb_rx; i++) 74 rte_pktmbuf_free(pkts_burst[i]); 75 76 #ifdef RTE_TEST_PMD_RECORD_CORE_CYCLES 77 end_tsc = rte_rdtsc(); 78 core_cycles = (end_tsc - start_tsc); 79 fs->core_cycles = (uint64_t) (fs->core_cycles + core_cycles); 80 #endif 81 } 82 83 struct fwd_engine rx_only_engine = { 84 .fwd_mode_name = "rxonly", 85 .port_fwd_begin = NULL, 86 .port_fwd_end = NULL, 87 .packet_fwd = pkt_burst_receive, 88 }; 89