static void
set_arp(struct ofpbuf *packet, const struct ovs_key_arp *arp_key)
{
- struct arp_eth_header *arp = packet->l3;
+ struct arp_eth_header *arp = ofpbuf_get_l3(packet);
arp->ar_op = arp_key->arp_op;
memcpy(arp->ar_sha, arp_key->arp_sha, ETH_ADDR_LEN);