1 /* SPDX-License-Identifier: BSD-3-Clause
2 * Copyright 2014-2020 Mellanox Technologies, Ltd
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 #if defined(RTE_ARCH_X86)
39 #include "macswap_sse.h"
40 #elif defined(__ARM_NEON)
41 #include "macswap_neon.h"
42 #else
43 #include "macswap.h"
44 #endif
45
46 /*
47 * MAC swap forwarding mode: Swap the source and the destination Ethernet
48 * addresses of packets before forwarding them.
49 */
50 static bool
pkt_burst_mac_swap(struct fwd_stream * fs)51 pkt_burst_mac_swap(struct fwd_stream *fs)
52 {
53 struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
54 uint16_t nb_rx;
55
56 /*
57 * Receive a burst of packets and forward them.
58 */
59 nb_rx = common_fwd_stream_receive(fs, pkts_burst, nb_pkt_per_burst);
60 if (unlikely(nb_rx == 0))
61 return false;
62
63 do_macswap(pkts_burst, nb_rx, &ports[fs->tx_port]);
64 common_fwd_stream_transmit(fs, pkts_burst, nb_rx);
65
66 return true;
67 }
68
69 struct fwd_engine mac_swap_engine = {
70 .fwd_mode_name = "macswap",
71 .stream_init = common_fwd_stream_init,
72 .packet_fwd = pkt_burst_mac_swap,
73 };
74