bsd/net/pf_norm.c

701 	struct pf_frcache	*frp, *fra, *cur = NULL;
755 	frp = NULL;
759 		frp = fra;
762 	VERIFY(frp != NULL || fra != NULL);
764 	if (frp != NULL) {
767 		precut = frp->fr_end - off;
771 			    h->ip_id, frp->fr_off, frp->fr_end, off, fr_max));
777 			    h->ip_id, frp->fr_off, frp->fr_end, off, fr_max));
778 			frp->fr_end = fr_max;
789 			    h->ip_id, precut, frp->fr_off, frp->fr_end, off,
795 			frp->fr_end = fr_max;
837 			    h->ip_id, -precut, frp->fr_off, frp->fr_end, off,
847 			LIST_INSERT_AFTER(frp, cur, fr_next);
888 		} else if (frp == NULL) {
919 			} else if (frp && fra->fr_off <= frp->fr_end) {
920 				/* Need to merge in a modified 'frp' */
924 				    h->ip_id, frp->fr_off, frp->fr_end, off,
926 				fra->fr_off = frp->fr_off;
927 				LIST_REMOVE(frp, fr_next);
928 				pool_put(&pf_cent_pl, frp);
930 				frp = NULL;
1207 	struct pf_frcache *frp, *fra, *cur = NULL;
1283 	frp = NULL;
1287 		frp = fra;
1290 	VERIFY(frp != NULL || fra != NULL);
1292 	if (frp != NULL) {
1295 		precut = frp->fr_end - off;
1299 			    ntohl(fh->ip6f_ident), frp->fr_off, frp->fr_end,
1306 			    ntohl(fh->ip6f_ident), frp->fr_off, frp->fr_end,
1308 			frp->fr_end = fr_max;
1318 			    ntohl(fh->ip6f_ident), precut, frp->fr_off,
1319 			    frp->fr_end, off, fr_max));
1324 			frp->fr_end = fr_max;
1366 			    ntohl(fh->ip6f_ident), -precut, frp->fr_off,
1367 			    frp->fr_end, off, fr_max));
1376 			LIST_INSERT_AFTER(frp, cur, fr_next);
1419 		} else if (frp == NULL) {
1449 			} else if (frp && fra->fr_off <= frp->fr_end) {
1450 				/* Need to merge in a modified 'frp' */
1454 				    ntohl(fh->ip6f_ident), frp->fr_off,
1455 				    frp->fr_end, off, fr_max, fra->fr_off,
1457 				fra->fr_off = frp->fr_off;
1458 				LIST_REMOVE(frp, fr_next);
1459 				pool_put(&pf_cent_pl, frp);
1461 				frp = NULL;