xref: /dpdk/app/test-pmd/macfwd.c (revision 1d343c19330a11f05e3ea369ae5780d38772358e)
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_ip.h>
34 #include <rte_string_fns.h>
35 #include <rte_flow.h>
36 
37 #include "testpmd.h"
38 #include "macfwd.h"
39 
40 /*
41  * Forwarding of packets in MAC mode.
42  * Change the source and the destination Ethernet addressed of packets
43  * before forwarding them.
44  */
45 static bool
pkt_burst_mac_forward(struct fwd_stream * fs)46 pkt_burst_mac_forward(struct fwd_stream *fs)
47 {
48 	struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
49 	uint16_t nb_rx;
50 
51 	/*
52 	 * Receive a burst of packets and forward them.
53 	 */
54 	nb_rx = common_fwd_stream_receive(fs, pkts_burst, nb_pkt_per_burst);
55 	if (unlikely(nb_rx == 0))
56 		return false;
57 
58 	do_macfwd(pkts_burst, nb_rx, fs);
59 
60 	common_fwd_stream_transmit(fs, pkts_burst, nb_rx);
61 
62 	return true;
63 }
64 
65 struct fwd_engine mac_fwd_engine = {
66 	.fwd_mode_name  = "mac",
67 	.stream_init    = common_fwd_stream_init,
68 	.packet_fwd     = pkt_burst_mac_forward,
69 };
70