145 			if (m->m_pkthdr.rcvif == NULL)  in ip_output_pfil()
146 				m->m_pkthdr.rcvif = V_loif;  in ip_output_pfil()
147 			if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {  in ip_output_pfil()
148 				m->m_pkthdr.csum_flags |=  in ip_output_pfil()
150 				m->m_pkthdr.csum_data = 0xffff;  in ip_output_pfil()
152 			m->m_pkthdr.csum_flags |=  in ip_output_pfil()
155 			if (m->m_pkthdr.csum_flags & CSUM_SCTP)  in ip_output_pfil()
156 				m->m_pkthdr.csum_flags |= CSUM_SCTP_VALID;  in ip_output_pfil()
178 		if (m->m_pkthdr.rcvif == NULL)  in ip_output_pfil()
179 			m->m_pkthdr.rcvif = V_loif;  in ip_output_pfil()
180 		if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {  in ip_output_pfil()
181 			m->m_pkthdr.csum_flags |=  in ip_output_pfil()
183 			m->m_pkthdr.csum_data = 0xffff;  in ip_output_pfil()
186 		if (m->m_pkthdr.csum_flags & CSUM_SCTP)  in ip_output_pfil()
187 			m->m_pkthdr.csum_flags |= CSUM_SCTP_VALID;  in ip_output_pfil()
189 		m->m_pkthdr.csum_flags |=  in ip_output_pfil()
219 	MPASS((m->m_pkthdr.csum_flags & CSUM_SND_TAG) == 0);  in ip_output_send()
261 		KASSERT(m->m_pkthdr.rcvif == NULL,  in ip_output_send()
270 		m->m_pkthdr.snd_tag = m_snd_tag_ref(mst);  in ip_output_send()
271 		m->m_pkthdr.csum_flags |= CSUM_SND_TAG;  in ip_output_send()
347 			m->m_pkthdr.flowid = inp->inp_flowid;  in ip_output()
354 		m->m_pkthdr.numa_domain = inp->inp_numa_domain;  in ip_output()
478 			flowid = m->m_pkthdr.flowid;  in ip_output()
519 		    m->m_pkthdr.flowid);  in ip_output()
760 	m->m_pkthdr.csum_flags |= CSUM_IP;  in ip_output()
761 	if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA & ~ifp->if_hwassist) {  in ip_output()
763 		m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;  in ip_output()
766 	if (m->m_pkthdr.csum_flags & CSUM_SCTP & ~ifp->if_hwassist) {  in ip_output()
768 		m->m_pkthdr.csum_flags &= ~CSUM_SCTP;  in ip_output()
780 	    (m->m_pkthdr.csum_flags & ifp->if_hwassist &  in ip_output()
783 		if (m->m_pkthdr.csum_flags & CSUM_IP & ~ifp->if_hwassist) {  in ip_output()
785 			m->m_pkthdr.csum_flags &= ~CSUM_IP;  in ip_output()
795 			if (m->m_pkthdr.csum_flags &  in ip_output()
798 				    m->m_pkthdr.len / m->m_pkthdr.tso_segsz);  in ip_output()
802 			counter_u64_add(ia->ia_ifa.ifa_obytes, m->m_pkthdr.len);  in ip_output()
805 		if (mbuf_frag_size && m->m_pkthdr.len > mbuf_frag_size)  in ip_output()
821 	    (m->m_pkthdr.csum_flags & (CSUM_TSO | CSUM_INNER_TSO))) {  in ip_output()
842 				    m->m_pkthdr.len);  in ip_output()
905 	if (m0->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {  in ip_fragment()
907 		m0->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;  in ip_fragment()
910 	if (m0->m_pkthdr.csum_flags & CSUM_SCTP) {  in ip_fragment()
912 		m0->m_pkthdr.csum_flags &= ~CSUM_SCTP;  in ip_fragment()
928 		off = MIN(mtu, m0->m_pkthdr.len);  in ip_fragment()
1012 		m->m_pkthdr.len = mhlen + len;  in ip_fragment()
1018 		if (m->m_pkthdr.csum_flags & CSUM_IP & ~if_hwassist_flags) {  in ip_fragment()
1020 			m->m_pkthdr.csum_flags &= ~CSUM_IP;  in ip_fragment()
1032 	m0->m_pkthdr.len = hlen + firstlen;  in ip_fragment()
1033 	ip->ip_len = htons((u_short)m0->m_pkthdr.len);  in ip_fragment()
1036 	if (m0->m_pkthdr.csum_flags & CSUM_IP & ~if_hwassist_flags) {  in ip_fragment()
1038 		m0->m_pkthdr.csum_flags &= ~CSUM_IP;  in ip_fragment()
1056 	if (m->m_pkthdr.csum_flags & CSUM_UDP) {  in in_delayed_cksum()
1073 	offset += m->m_pkthdr.csum_data;	/* checksum offset */  in in_delayed_cksum()
1565 		if (copym->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {  in ip_mloopback()
1567 			copym->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;  in ip_mloopback()
1568 			copym->m_pkthdr.csum_flags |=  in ip_mloopback()
1570 			copym->m_pkthdr.csum_data = 0xffff;  in ip_mloopback()