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_branch_prediction.h> 28 #include <rte_mempool.h> 29 #include <rte_mbuf.h> 30 #include <rte_interrupts.h> 31 #include <rte_ether.h> 32 #include <rte_ethdev.h> 33 #include <rte_string_fns.h> 34 #include <rte_ip.h> 35 #include <rte_udp.h> 36 #include <rte_net.h> 37 #include <rte_flow.h> 38 39 #include "testpmd.h" 40 41 /* 42 * Received a burst of packets. 43 */ 44 static bool pkt_burst_receive(struct fwd_stream * fs)45pkt_burst_receive(struct fwd_stream *fs) 46 { 47 struct rte_mbuf *pkts_burst[MAX_PKT_BURST]; 48 uint16_t nb_rx; 49 50 /* 51 * Receive a burst of packets. 52 */ 53 nb_rx = common_fwd_stream_receive(fs, pkts_burst, nb_pkt_per_burst); 54 if (unlikely(nb_rx == 0)) 55 return false; 56 57 rte_pktmbuf_free_bulk(pkts_burst, nb_rx); 58 59 return true; 60 } 61 62 static void stream_init_receive(struct fwd_stream * fs)63stream_init_receive(struct fwd_stream *fs) 64 { 65 fs->disabled = ports[fs->rx_port].rxq[fs->rx_queue].state == 66 RTE_ETH_QUEUE_STATE_STOPPED; 67 } 68 69 struct fwd_engine rx_only_engine = { 70 .fwd_mode_name = "rxonly", 71 .stream_init = stream_init_receive, 72 .packet_fwd = pkt_burst_receive, 73 }; 74