xref: /dpdk/app/test-pmd/rxonly.c (revision 68a03efeed657e6e05f281479b33b51102797e15)
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 	uint64_t start_tsc = 0;
53 
54 	get_start_cycles(&start_tsc);
55 
56 	/*
57 	 * Receive a burst of packets.
58 	 */
59 	nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
60 				 nb_pkt_per_burst);
61 	inc_rx_burst_stats(fs, nb_rx);
62 	if (unlikely(nb_rx == 0))
63 		return;
64 
65 	fs->rx_packets += nb_rx;
66 	for (i = 0; i < nb_rx; i++)
67 		rte_pktmbuf_free(pkts_burst[i]);
68 
69 	get_end_cycles(fs, start_tsc);
70 }
71 
72 struct fwd_engine rx_only_engine = {
73 	.fwd_mode_name  = "rxonly",
74 	.port_fwd_begin = NULL,
75 	.port_fwd_end   = NULL,
76 	.packet_fwd     = pkt_burst_receive,
77 };
78