295 	bzero(&m->m_pkthdr, sizeof(struct pkthdr));  in m_demote_pkthdr()
369 		    !SLIST_EMPTY(&m->m_pkthdr.tags)) {  in m_sanity()
380 				bzero(&m->m_pkthdr, sizeof(m->m_pkthdr));  in m_sanity()
388 	if (pktlen && pktlen != m->m_pkthdr.len) {  in m_sanity()
390 			m->m_pkthdr.len = 0;  in m_sanity()
409 	bzero(&m->m_pkthdr, sizeof(m->m_pkthdr));  in m_pkthdr_init()
411 	m->m_pkthdr.numa_domain = M_NODOM;  in m_pkthdr_init()
435 	KASSERT(SLIST_EMPTY(&to->m_pkthdr.tags),  in m_move_pkthdr()
449 	to->m_pkthdr = from->m_pkthdr;		/* especially tags */  in m_move_pkthdr()
450 	SLIST_INIT(&from->m_pkthdr.tags);	/* purge tags from src */  in m_move_pkthdr()
452 	if (from->m_pkthdr.csum_flags & CSUM_SND_TAG) {  in m_move_pkthdr()
453 		from->m_pkthdr.csum_flags &= ~CSUM_SND_TAG;  in m_move_pkthdr()
454 		from->m_pkthdr.snd_tag = NULL;  in m_move_pkthdr()
477 	KASSERT(SLIST_EMPTY(&to->m_pkthdr.tags), ("m_dup_pkthdr: to has tags"));  in m_dup_pkthdr()
488 	to->m_pkthdr = from->m_pkthdr;  in m_dup_pkthdr()
489 	if (from->m_pkthdr.csum_flags & CSUM_SND_TAG)  in m_dup_pkthdr()
490 		m_snd_tag_ref(from->m_pkthdr.snd_tag);  in m_dup_pkthdr()
491 	SLIST_INIT(&to->m_pkthdr.tags);  in m_dup_pkthdr()
569 				n->m_pkthdr.len -= off0;  in m_copym()
571 				n->m_pkthdr.len = len;  in m_copym()
724 	remain = m->m_pkthdr.len;  in m_dup()
817 	m->m_pkthdr.len += n->m_pkthdr.len;  in m_catpkt()
848 			mp->m_pkthdr.len -= (req_len - len);  in m_adj()
868 				mp->m_pkthdr.len -= len;  in m_adj()
881 			m->m_pkthdr.len = count;  in m_adj()
910 		rsstype = mp->m_pkthdr.rsstype;  in m_adj_decap()
1055 		if (m0->m_pkthdr.csum_flags & CSUM_SND_TAG) {  in m_split()
1056 			n->m_pkthdr.snd_tag =  in m_split()
1057 			    m_snd_tag_ref(m0->m_pkthdr.snd_tag);  in m_split()
1058 			n->m_pkthdr.csum_flags |= CSUM_SND_TAG;  in m_split()
1060 			n->m_pkthdr.rcvif = m0->m_pkthdr.rcvif;  in m_split()
1061 		n->m_pkthdr.len = m0->m_pkthdr.len - len0;  in m_split()
1062 		m0->m_pkthdr.len = len0;  in m_split()
1068 		if (m0->m_pkthdr.csum_flags & CSUM_SND_TAG) {  in m_split()
1069 			n->m_pkthdr.snd_tag =  in m_split()
1070 			    m_snd_tag_ref(m0->m_pkthdr.snd_tag);  in m_split()
1071 			n->m_pkthdr.csum_flags |= CSUM_SND_TAG;  in m_split()
1073 			n->m_pkthdr.rcvif = m0->m_pkthdr.rcvif;  in m_split()
1074 		n->m_pkthdr.len = m0->m_pkthdr.len - len0;  in m_split()
1075 		m0->m_pkthdr.len = len0;  in m_split()
1213 			m->m_pkthdr.rcvif = ifp;  in m_devget()
1214 			m->m_pkthdr.len = totlen;  in m_devget()
1322 out:	if (((m = m0)->m_flags & M_PKTHDR) && (m->m_pkthdr.len < totlen))  in m_copyback()
1323 		m->m_pkthdr.len = totlen;  in m_copyback()
1368 		m0->m_pkthdr.len += len - remainder;  in m_append()
1504 		len = m->m_pkthdr.len;  in m_print()
1533 	m0->m_pkthdr.len = len;  in m_fixhdr()
1585 	if (m0->m_pkthdr.len > MHLEN)  in m_defrag()
1598 	while (progress < m0->m_pkthdr.len) {  in m_defrag()
1599 		length = m0->m_pkthdr.len - progress;  in m_defrag()
1627 	m_defragbytes += m0->m_pkthdr.len;  in m_defrag()
1810 	while (progress < m0->m_pkthdr.len) {  in m_fragment()
1813 		if (fraglen > m0->m_pkthdr.len - progress)  in m_fragment()
1814 			fraglen = m0->m_pkthdr.len - progress;  in m_fragment()
1935 			m->m_pkthdr.len += length;  in m_uiotombuf_nomap()
1965 			m->m_pkthdr.memlen = MSIZE;  in m_uiotombuf()
1978 				mc_first(&mc)->m_pkthdr.len = mc.mc_len;  in m_uiotombuf()
1979 				mc_first(&mc)->m_pkthdr.memlen = mc.mc_mlen;  in m_uiotombuf()