app: remove unneeded atomic header include
[dpdk.git] / app / test-pmd / macswap.c
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_pci.h>
32 #include <rte_ether.h>
33 #include <rte_ethdev.h>
34 #include <rte_ip.h>
35 #include <rte_string_fns.h>
36 #include <rte_flow.h>
37
38 #include "testpmd.h"
39 #if defined(RTE_ARCH_X86)
40 #include "macswap_sse.h"
41 #elif defined(__ARM_NEON)
42 #include "macswap_neon.h"
43 #else
44 #include "macswap.h"
45 #endif
46
47 /*
48  * MAC swap forwarding mode: Swap the source and the destination Ethernet
49  * addresses of packets before forwarding them.
50  */
51 static void
52 pkt_burst_mac_swap(struct fwd_stream *fs)
53 {
54         struct rte_mbuf  *pkts_burst[MAX_PKT_BURST];
55         struct rte_port  *txp;
56         uint16_t nb_rx;
57         uint16_t nb_tx;
58         uint32_t retry;
59         uint64_t start_tsc = 0;
60
61         get_start_cycles(&start_tsc);
62
63         /*
64          * Receive a burst of packets and forward them.
65          */
66         nb_rx = rte_eth_rx_burst(fs->rx_port, fs->rx_queue, pkts_burst,
67                                  nb_pkt_per_burst);
68         inc_rx_burst_stats(fs, nb_rx);
69         if (unlikely(nb_rx == 0))
70                 return;
71
72         fs->rx_packets += nb_rx;
73         txp = &ports[fs->tx_port];
74
75         do_macswap(pkts_burst, nb_rx, txp);
76
77         nb_tx = rte_eth_tx_burst(fs->tx_port, fs->tx_queue, pkts_burst, nb_rx);
78         /*
79          * Retry if necessary
80          */
81         if (unlikely(nb_tx < nb_rx) && fs->retry_enabled) {
82                 retry = 0;
83                 while (nb_tx < nb_rx && retry++ < burst_tx_retry_num) {
84                         rte_delay_us(burst_tx_delay_time);
85                         nb_tx += rte_eth_tx_burst(fs->tx_port, fs->tx_queue,
86                                         &pkts_burst[nb_tx], nb_rx - nb_tx);
87                 }
88         }
89         fs->tx_packets += nb_tx;
90         inc_tx_burst_stats(fs, nb_tx);
91         if (unlikely(nb_tx < nb_rx)) {
92                 fs->fwd_dropped += (nb_rx - nb_tx);
93                 do {
94                         rte_pktmbuf_free(pkts_burst[nb_tx]);
95                 } while (++nb_tx < nb_rx);
96         }
97         get_end_cycles(fs, start_tsc);
98 }
99
100 struct fwd_engine mac_swap_engine = {
101         .fwd_mode_name  = "macswap",
102         .port_fwd_begin = NULL,
103         .port_fwd_end   = NULL,
104         .packet_fwd     = pkt_burst_mac_swap,
105 };