LXR dpdk/app/test-pmd/macswap.h

   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
  10static inline void
  11do_macswap(struct rte_mbuf *pkts[], uint16_t nb,
  12                struct rte_port *txp)
  13{
  14        struct rte_ether_hdr *eth_hdr;
  15        struct rte_mbuf *mb;
  16        struct rte_ether_addr addr;
  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
  29                eth_hdr = rte_pktmbuf_mtod(mb, struct rte_ether_hdr *);
  30
  31                /* Swap dest and src mac addresses. */
  32                rte_ether_addr_copy(&eth_hdr->d_addr, &addr);
  33                rte_ether_addr_copy(&eth_hdr->s_addr, &eth_hdr->d_addr);
  34                rte_ether_addr_copy(&addr, &eth_hdr->s_addr);
  35
  36                mbuf_field_set(mb, ol_flags);
  37        }
  38}
  39
  40#endif /* _MACSWAP_H_ */
  41