mirror of https://github.com/F-Stack/f-stack.git
53 lines
1.2 KiB
C
53 lines
1.2 KiB
C
/* SPDX-License-Identifier: BSD-3-Clause
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* Copyright 2014-2020 Mellanox Technologies, Ltd
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*/
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#include <stdarg.h>
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#include <stdio.h>
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#include <stdint.h>
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#include <unistd.h>
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#include <inttypes.h>
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#include <sys/queue.h>
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#include <sys/stat.h>
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#include <rte_common.h>
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#include <rte_ether.h>
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#include <rte_ethdev.h>
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#include <rte_ip.h>
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#include <rte_flow.h>
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#include "testpmd.h"
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#include "5tswap.h"
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/*
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* 5 tuple swap forwarding mode: Swap the source and the destination of layers
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* 2,3,4. Swaps source and destination for MAC, IPv4/IPv6, UDP/TCP.
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* Parses each layer and swaps it. When the next layer doesn't match it stops.
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*/
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static bool
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pkt_burst_5tuple_swap(struct fwd_stream *fs)
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{
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struct rte_mbuf *pkts_burst[MAX_PKT_BURST];
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uint16_t nb_rx;
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/*
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* Receive a burst of packets and forward them.
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*/
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nb_rx = common_fwd_stream_receive(fs, pkts_burst, nb_pkt_per_burst);
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if (unlikely(nb_rx == 0))
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return false;
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do_5tswap(pkts_burst, nb_rx, fs);
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common_fwd_stream_transmit(fs, pkts_burst, nb_rx);
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return true;
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}
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struct fwd_engine five_tuple_swap_fwd_engine = {
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.fwd_mode_name = "5tswap",
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.stream_init = common_fwd_stream_init,
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.packet_fwd = pkt_burst_5tuple_swap,
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};
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