264 ah_massage_headers(struct mbuf **m0, int proto, int skip, int alg, int out)  in ah_massage_headers()  argument
288 		*m0 = m = m_pullup(m, skip);  in ah_massage_headers()
305 		for (off = sizeof(struct ip); off < skip;) {  in ah_massage_headers()
307 			    off + 1 < skip)  in ah_massage_headers()
319 				off = skip;  /* End the loop. */  in ah_massage_headers()
389 			if (off > skip)	{  in ah_massage_headers()
428 		if (skip - sizeof(struct ip6_hdr) > 0) {  in ah_massage_headers()
429 			if (m->m_len <= skip) {  in ah_massage_headers()
431 				    skip - sizeof(struct ip6_hdr),  in ah_massage_headers()
445 				    skip - sizeof(struct ip6_hdr), ptr);  in ah_massage_headers()
458 		for (off = 0; off < skip - sizeof(struct ip6_hdr);)  in ah_massage_headers()
466 				if (noff > skip - sizeof(struct ip6_hdr))  in ah_massage_headers()
519 			    skip - sizeof(struct ip6_hdr), ptr);  in ah_massage_headers()
535 ah_input(struct mbuf *m, struct secasvar *sav, int skip, int protoff)  in ah_input()  argument
556 	if (m->m_len < skip + rplen) {  in ah_input()
557 		m = m_pullup(m, skip + rplen);  in ah_input()
565 	ah = (struct newah *)(mtod(m, caddr_t) + skip);  in ah_input()
596 	if (skip + ahsize > m->m_pkthdr.len) {  in ah_input()
599 		    m->m_pkthdr.len, (u_long)(skip + ahsize),  in ah_input()
606 	AHSTAT_ADD(ahs_ibytes, m->m_pkthdr.len - skip - hl);  in ah_input()
620 	crp->crp_digest_start = skip + rplen;  in ah_input()
623 	xd = malloc(sizeof(*xd) + skip + rplen + authsize, M_AH,  in ah_input()
637 	m_copydata(m, 0, skip + rplen + authsize, (caddr_t)(xd + 1));  in ah_input()
640 	m_copyback(m, skip + rplen, authsize, ipseczeroes);  in ah_input()
647 	    skip, ahx->type, 0);  in ah_input()
674 	xd->skip = skip;  in ah_input()
701 	int authsize, rplen, ahsize, error, skip, protoff;  in ah_input_cb()  local
710 	skip = xd->skip;  in ah_input_cb()
753 	m_copydata(m, skip + rplen, authsize, calc);  in ah_input_cb()
757 	if (timingsafe_bcmp(ptr + skip + rplen, calc, authsize)) {  in ah_input_cb()
770 	m_copyback(m, 0, skip, ptr);  in ah_input_cb()
784 		m_copydata(m, skip + offsetof(struct newah, ah_seq),  in ah_input_cb()
799 	error = m_striphdr(m, skip, ahsize);  in ah_input_cb()
811 		error = ipsec6_common_input_cb(m, sav, skip, protoff);  in ah_input_cb()
816 		error = ipsec4_common_input_cb(m, sav, skip, protoff);  in ah_input_cb()
843     u_int idx, int skip, int protoff)  in ah_output()  argument
904 	AHSTAT_ADD(ahs_obytes, m->m_pkthdr.len - skip);  in ah_output()
917 	mi = m_makespace(m, skip, ahsize, &roff);  in ah_output()
941 	m_copyback(m, skip + rplen, authsize, ipseczeroes);  in ah_output()
944 	m_copyback(m, skip + rplen + authsize, ahsize - (rplen + authsize),  in ah_output()
987 	crp->crp_digest_start = skip + rplen;  in ah_output()
990 	xd =  malloc(sizeof(struct xform_data) + skip, M_AH,  in ah_output()
1001 	m_copydata(m, 0, skip, (caddr_t) (xd + 1));  in ah_output()
1041 			skip, ahx->type, 1);  in ah_output()
1066 	xd->skip = skip;  in ah_output()
1096 	int skip, error;  in ah_output_cb()  local
1103 	skip = xd->skip;  in ah_output_cb()
1136 	m_copyback(m, 0, skip, ptr);  in ah_output_cb()