xfrm_lookup_route
struct dst_entry *xfrm_lookup_route(struct net *net, struct dst_entry *dst_orig,
dst = xfrm_lookup_route(tunnel->net, dst, fl, NULL, 0);
rt = dst_rtable(xfrm_lookup_route(net, &rt->dst,
return xfrm_lookup_route(net, dst, flowi6_to_flowi(fl6), sk, 0);
dst = xfrm_lookup_route(t->net, dst, fl, NULL, 0);
EXPORT_SYMBOL(xfrm_lookup_route);