bsd/net/pf_norm.c

562 		u_int16_t	precut;
564 		precut = FR_IP_OFF(frep) + ntohs(frep->fr_ip->ip_len) -
566 		if (precut >= ip_len)
568 		m_adj(frent->fr_m, precut);
569 		DPFPRINTF(("overlap -%d\n", precut));
571 		ip->ip_off = htons(ntohs(ip->ip_off) + (precut >> 3));
573 		ip_len -= precut;
765 		int	precut;
767 		precut = frp->fr_end - off;
768 		if (precut >= ip_len) {
774 		if (precut == 0) {
779 		} else if (precut > 0) {
789 			    h->ip_id, precut, frp->fr_off, frp->fr_end, off,
792 			off += precut;
793 			fr_max -= precut;
810 				m_adj(m, precut + (h->ip_hl << 2));
826 				    ntohs(h->ip_len) - precut);
828 				    (precut >> 3));
829 				h->ip_len = htons(ntohs(h->ip_len) - precut);
837 			    h->ip_id, -precut, frp->fr_off, frp->fr_end, off,
1066 		u_int16_t precut;
1068 		precut = FR_IP6_OFF(frep) + FR_IP6_PLEN(frep) -
1070 		if (precut >= plen)
1072 		m_adj(frent->fr_m, precut);
1073 		DPFPRINTF(("overlap -%d\n", precut));
1077 		    (precut >> 3));
1079 		plen -= precut;
1293 		int precut;
1295 		precut = frp->fr_end - off;
1296 		if (precut >= plen) {
1303 		if (precut == 0) {
1309 		} else if (precut > 0) {
1318 			    ntohl(fh->ip6f_ident), precut, frp->fr_off,
1321 			off += precut;
1322 			fr_max -= precut;
1338 				m_adj(m, precut + hlen);
1352 				    ntohs(h->ip6_plen) - precut);
1356 				    + (precut >> 3));
1358 				    precut);
1366 			    ntohl(fh->ip6f_ident), -precut, frp->fr_off,