55 static int xfrm_bundle_ok(struct xfrm_dst *xdst);
1530 	struct xfrm_dst *xdst = container_of(flo, struct xfrm_dst, flo);  in xfrm_bundle_flo_get()  local
1531 	struct dst_entry *dst = &xdst->u.dst;  in xfrm_bundle_flo_get()
1533 	if (xdst->route == NULL) {  in xfrm_bundle_flo_get()
1537 		if (xdst->num_xfrms > 0)  in xfrm_bundle_flo_get()
1553 	struct xfrm_dst *xdst = container_of(flo, struct xfrm_dst, flo);  in xfrm_bundle_flo_check()  local
1554 	struct dst_entry *dst = &xdst->u.dst;  in xfrm_bundle_flo_check()
1556 	if (!xdst->route)  in xfrm_bundle_flo_check()
1566 	struct xfrm_dst *xdst = container_of(flo, struct xfrm_dst, flo);  in xfrm_bundle_flo_delete()  local
1567 	struct dst_entry *dst = &xdst->u.dst;  in xfrm_bundle_flo_delete()
1582 	struct xfrm_dst *xdst;  in xfrm_alloc_dst()  local
1599 	xdst = dst_alloc(dst_ops, NULL, 0, DST_OBSOLETE_NONE, 0);  in xfrm_alloc_dst()
1601 	if (likely(xdst)) {  in xfrm_alloc_dst()
1602 		struct dst_entry *dst = &xdst->u.dst;  in xfrm_alloc_dst()
1604 		memset(dst + 1, 0, sizeof(*xdst) - sizeof(*dst));  in xfrm_alloc_dst()
1605 		xdst->flo.ops = &xfrm_bundle_fc_ops;  in xfrm_alloc_dst()
1607 		xdst = ERR_PTR(-ENOBUFS);  in xfrm_alloc_dst()
1611 	return xdst;  in xfrm_alloc_dst()
1631 static inline int xfrm_fill_dst(struct xfrm_dst *xdst, struct net_device *dev,  in xfrm_fill_dst()  argument
1635 		xfrm_policy_get_afinfo(xdst->u.dst.ops->family);  in xfrm_fill_dst()
1641 	err = afinfo->fill_dst(xdst, dev, fl);  in xfrm_fill_dst()
1683 		struct xfrm_dst *xdst = xfrm_alloc_dst(net, family);  in xfrm_bundle_create()  local
1684 		struct dst_entry *dst1 = &xdst->u.dst;  in xfrm_bundle_create()
1686 		err = PTR_ERR(xdst);  in xfrm_bundle_create()
1687 		if (IS_ERR(xdst)) {  in xfrm_bundle_create()
1710 		xdst->route = dst;  in xfrm_bundle_create()
1724 		xdst->xfrm_genid = xfrm[i]->genid;  in xfrm_bundle_create()
1754 		struct xfrm_dst *xdst = (struct xfrm_dst *)dst_prev;  in xfrm_bundle_create()  local
1756 		err = xfrm_fill_dst(xdst, dev, fl);  in xfrm_bundle_create()
1762 		header_len -= xdst->u.dst.xfrm->props.header_len;  in xfrm_bundle_create()
1763 		trailer_len -= xdst->u.dst.xfrm->props.trailer_len;  in xfrm_bundle_create()
1797 	struct xfrm_dst *xdst = (struct xfrm_dst *)dst;  in xfrm_dst_update_parent()  local
1798 	return xfrm_dst_alloc_copy((void **)&(xdst->partner),  in xfrm_dst_update_parent()
1809 	struct xfrm_dst *xdst = (struct xfrm_dst *)dst;  in xfrm_dst_update_origin()  local
1810 	return xfrm_dst_alloc_copy((void **)&(xdst->origin), fl, sizeof(*fl));  in xfrm_dst_update_origin()
1868 	struct xfrm_dst *xdst;  in xfrm_resolve_and_create_bundle()  local
1885 	xdst = (struct xfrm_dst *)dst;  in xfrm_resolve_and_create_bundle()
1886 	xdst->num_xfrms = err;  in xfrm_resolve_and_create_bundle()
1897 	xdst->num_pols = num_pols;  in xfrm_resolve_and_create_bundle()
1898 	memcpy(xdst->pols, pols, sizeof(struct xfrm_policy *) * num_pols);  in xfrm_resolve_and_create_bundle()
1899 	xdst->policy_genid = atomic_read(&pols[0]->genid);  in xfrm_resolve_and_create_bundle()
1901 	return xdst;  in xfrm_resolve_and_create_bundle()
1984 	struct xfrm_dst *xdst = (struct xfrm_dst *) dst;  in xdst_queue_output()  local
1985 	struct xfrm_policy *pol = xdst->pols[0];  in xdst_queue_output()
2032 	struct xfrm_dst *xdst;  in xfrm_create_dummy_bundle()  local
2034 	xdst = xfrm_alloc_dst(net, family);  in xfrm_create_dummy_bundle()
2035 	if (IS_ERR(xdst))  in xfrm_create_dummy_bundle()
2036 		return xdst;  in xfrm_create_dummy_bundle()
2041 		return xdst;  in xfrm_create_dummy_bundle()
2044 	dst1 = &xdst->u.dst;  in xfrm_create_dummy_bundle()
2046 	xdst->route = dst;  in xfrm_create_dummy_bundle()
2068 	err = xfrm_fill_dst(xdst, dev, fl);  in xfrm_create_dummy_bundle()
2073 	return xdst;  in xfrm_create_dummy_bundle()
2077 	xdst = ERR_PTR(err);  in xfrm_create_dummy_bundle()
2087 	struct xfrm_dst *xdst, *new_xdst;  in xfrm_bundle_lookup()  local
2091 	xdst = NULL;  in xfrm_bundle_lookup()
2093 		xdst = container_of(oldflo, struct xfrm_dst, flo);  in xfrm_bundle_lookup()
2094 		num_pols = xdst->num_pols;  in xfrm_bundle_lookup()
2095 		num_xfrms = xdst->num_xfrms;  in xfrm_bundle_lookup()
2098 			pols[i] = xdst->pols[i];  in xfrm_bundle_lookup()
2102 			dst_free(&xdst->u.dst);  in xfrm_bundle_lookup()
2103 			xdst = NULL;  in xfrm_bundle_lookup()
2112 	if (xdst == NULL) {  in xfrm_bundle_lookup()
2134 		dst_hold(&xdst->u.dst);  in xfrm_bundle_lookup()
2140 		xdst->num_xfrms = 0;  in xfrm_bundle_lookup()
2141 		dst_hold(&xdst->u.dst);  in xfrm_bundle_lookup()
2146 	if (xdst) {  in xfrm_bundle_lookup()
2148 		xdst->num_pols = 0;  in xfrm_bundle_lookup()
2149 		dst_free(&xdst->u.dst);  in xfrm_bundle_lookup()
2161 	xdst = xfrm_create_dummy_bundle(net, xflo, fl, num_xfrms, family);  in xfrm_bundle_lookup()
2162 	if (IS_ERR(xdst)) {  in xfrm_bundle_lookup()
2164 		return ERR_CAST(xdst);  in xfrm_bundle_lookup()
2166 	xdst->num_pols = num_pols;  in xfrm_bundle_lookup()
2167 	xdst->num_xfrms = num_xfrms;  in xfrm_bundle_lookup()
2168 	memcpy(xdst->pols, pols, sizeof(struct xfrm_policy *) * num_pols);  in xfrm_bundle_lookup()
2170 	dst_hold(&xdst->u.dst);  in xfrm_bundle_lookup()
2171 	return &xdst->flo;  in xfrm_bundle_lookup()
2176 	if (xdst != NULL)  in xfrm_bundle_lookup()
2177 		dst_free(&xdst->u.dst);  in xfrm_bundle_lookup()
2211 	struct xfrm_dst *xdst;  in xfrm_lookup()  local
2218 	xdst = NULL;  in xfrm_lookup()
2236 			xdst = xfrm_resolve_and_create_bundle(  in xfrm_lookup()
2239 			if (IS_ERR(xdst)) {  in xfrm_lookup()
2241 				err = PTR_ERR(xdst);  in xfrm_lookup()
2243 			} else if (xdst == NULL) {  in xfrm_lookup()
2249 			dst_hold(&xdst->u.dst);  in xfrm_lookup()
2250 			xdst->u.dst.flags |= DST_NOCACHE;  in xfrm_lookup()
2251 			route = xdst->route;  in xfrm_lookup()
2255 	if (xdst == NULL) {  in xfrm_lookup()
2274 		xdst = container_of(flo, struct xfrm_dst, flo);  in xfrm_lookup()
2276 		num_pols = xdst->num_pols;  in xfrm_lookup()
2277 		num_xfrms = xdst->num_xfrms;  in xfrm_lookup()
2278 		memcpy(pols, xdst->pols, sizeof(struct xfrm_policy *) * num_pols);  in xfrm_lookup()
2279 		route = xdst->route;  in xfrm_lookup()
2282 	dst = &xdst->u.dst;  in xfrm_lookup()
2721 		struct xfrm_dst *xdst = (struct xfrm_dst *)dst;  in xfrm_init_pmtu()  local
2725 		xdst->child_mtu_cached = pmtu;  in xfrm_init_pmtu()
2729 		route_mtu_cached = dst_mtu(xdst->route);  in xfrm_init_pmtu()
2730 		xdst->route_mtu_cached = route_mtu_cached;  in xfrm_init_pmtu()
2759 		struct xfrm_dst *xdst = (struct xfrm_dst *)dst;  in xfrm_bundle_ok()  local
2763 		if (xdst->xfrm_genid != dst->xfrm->genid)  in xfrm_bundle_ok()
2765 		if (xdst->num_pols > 0 &&  in xfrm_bundle_ok()
2766 		    xdst->policy_genid != atomic_read(&xdst->pols[0]->genid))  in xfrm_bundle_ok()
2770 		if (xdst->child_mtu_cached != mtu) {  in xfrm_bundle_ok()
2771 			last = xdst;  in xfrm_bundle_ok()
2772 			xdst->child_mtu_cached = mtu;  in xfrm_bundle_ok()
2775 		if (!dst_check(xdst->route, xdst->route_cookie))  in xfrm_bundle_ok()
2777 		mtu = dst_mtu(xdst->route);  in xfrm_bundle_ok()
2778 		if (xdst->route_mtu_cached != mtu) {  in xfrm_bundle_ok()
2779 			last = xdst;  in xfrm_bundle_ok()
2780 			xdst->route_mtu_cached = mtu;  in xfrm_bundle_ok()