139 			if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {  in ip_output_pfil()
140 				m->m_pkthdr.csum_flags |=  in ip_output_pfil()
144 			m->m_pkthdr.csum_flags |=  in ip_output_pfil()
147 			if (m->m_pkthdr.csum_flags & CSUM_SCTP)  in ip_output_pfil()
148 				m->m_pkthdr.csum_flags |= CSUM_SCTP_VALID;  in ip_output_pfil()
172 		if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {  in ip_output_pfil()
173 			m->m_pkthdr.csum_flags |=  in ip_output_pfil()
178 		if (m->m_pkthdr.csum_flags & CSUM_SCTP)  in ip_output_pfil()
179 			m->m_pkthdr.csum_flags |= CSUM_SCTP_VALID;  in ip_output_pfil()
181 		m->m_pkthdr.csum_flags |=  in ip_output_pfil()
601 	m->m_pkthdr.csum_flags |= CSUM_IP;  in ip_output()
602 	if (m->m_pkthdr.csum_flags & CSUM_DELAY_DATA & ~ifp->if_hwassist) {  in ip_output()
604 		m->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;  in ip_output()
607 	if (m->m_pkthdr.csum_flags & CSUM_SCTP & ~ifp->if_hwassist) {  in ip_output()
609 		m->m_pkthdr.csum_flags &= ~CSUM_SCTP;  in ip_output()
618 	    (m->m_pkthdr.csum_flags & ifp->if_hwassist & CSUM_TSO) != 0) {  in ip_output()
620 		if (m->m_pkthdr.csum_flags & CSUM_IP & ~ifp->if_hwassist) {  in ip_output()
622 			m->m_pkthdr.csum_flags &= ~CSUM_IP;  in ip_output()
632 			if (m->m_pkthdr.csum_flags & CSUM_TSO)  in ip_output()
656 			m->m_pkthdr.csum_flags |= CSUM_SND_TAG;  in ip_output()
672 	if ((ip_off & IP_DF) || (m->m_pkthdr.csum_flags & CSUM_TSO)) {  in ip_output()
709 				m->m_pkthdr.csum_flags |= CSUM_SND_TAG;  in ip_output()
785 	if (m0->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {  in ip_fragment()
787 		m0->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;  in ip_fragment()
790 	if (m0->m_pkthdr.csum_flags & CSUM_SCTP) {  in ip_fragment()
792 		m0->m_pkthdr.csum_flags &= ~CSUM_SCTP;  in ip_fragment()
898 		if (m->m_pkthdr.csum_flags & CSUM_IP & ~if_hwassist_flags) {  in ip_fragment()
900 			m->m_pkthdr.csum_flags &= ~CSUM_IP;  in ip_fragment()
916 	if (m0->m_pkthdr.csum_flags & CSUM_IP & ~if_hwassist_flags) {  in ip_fragment()
918 		m0->m_pkthdr.csum_flags &= ~CSUM_IP;  in ip_fragment()
936 	if (m->m_pkthdr.csum_flags & CSUM_UDP) {  in in_delayed_cksum()
1449 		if (copym->m_pkthdr.csum_flags & CSUM_DELAY_DATA) {  in ip_mloopback()
1451 			copym->m_pkthdr.csum_flags &= ~CSUM_DELAY_DATA;  in ip_mloopback()
1452 			copym->m_pkthdr.csum_flags |=  in ip_mloopback()