414 	            (_m)->m_pkthdr.pkt_hdr != NULL)                     \
415 	                (_m)->m_pkthdr.pkt_hdr = NULL;                  \
619 	struct ifnet *ifp = m->m_pkthdr.rcvif;  in ip_proto_process_wake_packet()
653 					    m->m_pkthdr.rcvif, ipf_unref());  in ip_proto_dispatch_in()
687 	IP_HDR_ALIGNMENT_FIXUP(m, m->m_pkthdr.rcvif, return );  in ip_proto_dispatch_in()
699 	if (__improbable(ip->ip_p != IPPROTO_TCP && (m->m_pkthdr.pkt_flags & PKTF_WAKE_PKT) != 0)) {  in ip_proto_dispatch_in()
765 	tbl[pkttbl_idx].pkte_nbytes += packet->m_pkthdr.len;  in ip_chain_insert()
778 			ip_input_second_pass(m, m->m_pkthdr.rcvif,  in ip_input_second_pass_loop_tbl()
887 	    (m->m_pkthdr.csum_flags & CSUM_DATA_VALID) &&  in ip_input_adjust()
889 	    !(m->m_pkthdr.pkt_flags & PKTF_LOOP)) {  in ip_input_adjust()
890 		m->m_pkthdr.csum_flags &= ~CSUM_DATA_VALID;  in ip_input_adjust()
891 		m->m_pkthdr.csum_data = 0;  in ip_input_adjust()
903 	    (m->m_pkthdr.csum_flags & (CSUM_DATA_VALID | CSUM_PARTIAL)) ==  in ip_input_adjust()
905 		m->m_pkthdr.csum_rx_val = m_adj_sum16(m,  in ip_input_adjust()
906 		    m->m_pkthdr.csum_rx_start, m->m_pkthdr.csum_rx_start,  in ip_input_adjust()
907 		    (ip->ip_len - m->m_pkthdr.csum_rx_start),  in ip_input_adjust()
908 		    m->m_pkthdr.csum_rx_val);  in ip_input_adjust()
909 	} else if ((m->m_pkthdr.csum_flags &  in ip_input_adjust()
926 			m->m_pkthdr.csum_flags &= ~CSUM_DATA_VALID;  in ip_input_adjust()
927 			m->m_pkthdr.csum_data = 0;  in ip_input_adjust()
934 		if (m->m_len == m->m_pkthdr.len) {  in ip_input_adjust()
936 			m->m_pkthdr.len = ip->ip_len;  in ip_input_adjust()
938 			m_adj(m, ip->ip_len - m->m_pkthdr.len);  in ip_input_adjust()
966 	MBUF_INPUT_CHECK(m, m->m_pkthdr.rcvif);  in ip_input_first_pass()
973 	m->m_pkthdr.pkt_flags &= ~PKTF_FORWARDED;  in ip_input_first_pass()
979 	if (SLIST_EMPTY(&m->m_pkthdr.tags)) {  in ip_input_first_pass()
1028 	if (!SLIST_EMPTY(&m->m_pkthdr.tags)) {  in ip_input_first_pass()
1045 	if (__improbable(m->m_pkthdr.pkt_flags & PKTF_WAKE_PKT)) {  in ip_input_first_pass()
1049 	if (m->m_pkthdr.len < sizeof(struct ip)) {  in ip_input_first_pass()
1101 		m->m_pkthdr.pkt_ext_flags |= PKTF_EXT_L4S;  in ip_input_first_pass()
1121 		    !(m->m_pkthdr.pkt_flags & PKTF_LOOP)) {  in ip_input_first_pass()
1186 	if (m->m_pkthdr.len < ip->ip_len) {  in ip_input_first_pass()
1195 	if (m->m_pkthdr.len > ip->ip_len) {  in ip_input_first_pass()
1201 	len = m->m_pkthdr.len;  in ip_input_first_pass()
1330 			    (m->m_pkthdr.pkt_flags & PKTF_LOOP)) {  in ip_input_check_interface()
1702 		ip_input_second_pass(packet, packet->m_pkthdr.rcvif,  in ip_proto_input()
1703 		    1, packet->m_pkthdr.len, &args);  in ip_proto_input()
1888 	    (m->m_pkthdr.csum_flags &  in ip_reass()
1891 		uint32_t start = m->m_pkthdr.csum_rx_start;  in ip_reass()
1895 		csum = m->m_pkthdr.csum_rx_val;  in ip_reass()
1921 		csum_flags = m->m_pkthdr.csum_flags;  in ip_reass()
1935 	m->m_pkthdr.csum_flags &= ~CSUM_DATA_VALID;  in ip_reass()
1968 	m->m_pkthdr.pkt_hdr = ip;  in ip_reass()
2010 #define GETIP(m)        ((struct ip *)((m)->m_pkthdr.pkt_hdr))  in ip_reass()
2171 		m->m_pkthdr.csum_rx_val = (uint16_t)csum;  in ip_reass()
2172 		m->m_pkthdr.csum_rx_start = sizeof(struct ip);  in ip_reass()
2173 		m->m_pkthdr.csum_flags = fp->ipq_csum_flags;  in ip_reass()
2174 	} else if ((m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) ||  in ip_reass()
2175 	    (m->m_pkthdr.pkt_flags & PKTF_LOOP)) {  in ip_reass()
2177 		m->m_pkthdr.csum_data = 0xffff;  in ip_reass()
2178 		m->m_pkthdr.csum_flags =  in ip_reass()
2638 				    m->m_pkthdr.rcvif);  in ip_dooptions()
2918 		m->m_pkthdr.len -= olen;  in ip_stripoptions()
2948 	if ((m->m_pkthdr.csum_flags & (CSUM_DATA_VALID | CSUM_PARTIAL)) ==  in ip_stripoptions()
2950 		if (m->m_pkthdr.csum_rx_start >= (sizeof(struct ip) + olen)) {  in ip_stripoptions()
2952 			m->m_pkthdr.csum_rx_start -= olen;  in ip_stripoptions()
2955 			m->m_pkthdr.csum_flags &= ~CSUM_DATA_VALID;  in ip_stripoptions()
2956 			m->m_pkthdr.csum_data = 0;  in ip_stripoptions()
3072 	struct ifnet *__single rcvifp = m->m_pkthdr.rcvif;  in ip_forward()
3175 	if (rt->rt_ifp == m->m_pkthdr.rcvif &&  in ip_forward()
3210 	m->m_pkthdr.pkt_flags |= PKTF_FORWARDED;  in ip_forward()
3432 	    (m->m_pkthdr.pkt_flags & PKTF_WAKE_PKT)) {  in ip_savecontrol()
3484 		if ((ifp = m->m_pkthdr.rcvif) != NULL &&  in ip_savecontrol()
3532 		pi.ipi_ifindex = (m != NULL && m->m_pkthdr.rcvif != NULL) ?  in ip_savecontrol()
3533 		    m->m_pkthdr.rcvif->if_index : 0;  in ip_savecontrol()
3575 	if (m->m_pkthdr.csum_flags & CSUM_IP_CHECKED) {  in ip_cksum()
3576 		sum = !(m->m_pkthdr.csum_flags & CSUM_IP_VALID);  in ip_cksum()
3577 	} else if (!(m->m_pkthdr.rcvif->if_flags & IFF_LOOPBACK) &&  in ip_cksum()
3578 	    !(m->m_pkthdr.pkt_flags & PKTF_LOOP)) {  in ip_cksum()
3586 		m->m_pkthdr.csum_flags |= (CSUM_DATA_VALID | CSUM_PSEUDO_HDR |  in ip_cksum()
3588 		m->m_pkthdr.csum_data = 0xffff;  in ip_cksum()
3620 		m->m_pkthdr.pkt_flags |= PKTF_IFAINFO;  in ip_setsrcifaddr_info()
3621 		m->m_pkthdr.src_ifindex = ia->ia_ifp->if_index;  in ip_setsrcifaddr_info()
3623 		m->m_pkthdr.src_ifindex = src_idx;  in ip_setsrcifaddr_info()
3625 			m->m_pkthdr.pkt_flags |= PKTF_IFAINFO;  in ip_setsrcifaddr_info()
3641 		m->m_pkthdr.pkt_flags |= PKTF_IFAINFO;  in ip_setdstifaddr_info()
3642 		m->m_pkthdr.dst_ifindex = ia->ia_ifp->if_index;  in ip_setdstifaddr_info()
3644 		m->m_pkthdr.dst_ifindex = dst_idx;  in ip_setdstifaddr_info()
3646 			m->m_pkthdr.pkt_flags |= PKTF_IFAINFO;  in ip_setdstifaddr_info()
3656 	if (!(m->m_pkthdr.pkt_flags & PKTF_IFAINFO)) {  in ip_getsrcifaddr_info()
3661 		*src_idx = m->m_pkthdr.src_ifindex;  in ip_getsrcifaddr_info()
3676 	if (!(m->m_pkthdr.pkt_flags & PKTF_IFAINFO)) {  in ip_getdstifaddr_info()
3681 		*dst_idx = m->m_pkthdr.dst_ifindex;  in ip_getdstifaddr_info()