PACKET_TAG_TUNNEL
if ((mtag = m_tag_find(m, PACKET_TAG_TUNNEL, NULL)) == NULL)
if ((mtag = m_tag_find(m, PACKET_TAG_TUNNEL, NULL)) == NULL) {
mtag = m_tag_get(PACKET_TAG_TUNNEL,
if ((mtag = m_tag_find(m, PACKET_TAG_TUNNEL, NULL)) != NULL)