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1 | /* SPDX-License-Identifier: BSD-3-Clause |
2 | * Copyright(c) 2018 Intel Corporation | |
3 | */ | |
4 | ||
5 | #ifndef _MACSWAP_H_ | |
6 | #define _MACSWAP_H_ | |
7 | ||
8 | #include "macswap_common.h" | |
9 | ||
10 | static inline void | |
11 | do_macswap(struct rte_mbuf *pkts[], uint16_t nb, | |
12 | struct rte_port *txp) | |
13 | { | |
f67539c2 | 14 | struct rte_ether_hdr *eth_hdr; |
9f95a23c | 15 | struct rte_mbuf *mb; |
f67539c2 | 16 | struct rte_ether_addr addr; |
9f95a23c TL |
17 | uint64_t ol_flags; |
18 | int i; | |
19 | ||
20 | ol_flags = ol_flags_init(txp->dev_conf.txmode.offloads); | |
21 | vlan_qinq_set(pkts, nb, ol_flags, | |
22 | txp->tx_vlan_id, txp->tx_vlan_id_outer); | |
23 | ||
24 | for (i = 0; i < nb; i++) { | |
25 | if (likely(i < nb - 1)) | |
26 | rte_prefetch0(rte_pktmbuf_mtod(pkts[i+1], void *)); | |
27 | mb = pkts[i]; | |
28 | ||
f67539c2 | 29 | eth_hdr = rte_pktmbuf_mtod(mb, struct rte_ether_hdr *); |
9f95a23c TL |
30 | |
31 | /* Swap dest and src mac addresses. */ | |
f67539c2 TL |
32 | rte_ether_addr_copy(ð_hdr->d_addr, &addr); |
33 | rte_ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr); | |
34 | rte_ether_addr_copy(&addr, ð_hdr->s_addr); | |
9f95a23c TL |
35 | |
36 | mbuf_field_set(mb, ol_flags); | |
37 | } | |
38 | } | |
39 | ||
40 | #endif /* _MACSWAP_H_ */ |