/* Swap dest and src mac addresses. */
ether_addr_copy(ð_hdr->d_addr, &addr);
ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr);
ether_addr_copy(&addr, ð_hdr->s_addr);
/* Swap dest and src mac addresses. */
ether_addr_copy(ð_hdr->d_addr, &addr);
ether_addr_copy(ð_hdr->s_addr, ð_hdr->d_addr);
ether_addr_copy(&addr, ð_hdr->s_addr);