int inet6_sk_rebuild_header(struct sock *sk)
{
- int err;
- struct dst_entry *dst;
struct ipv6_pinfo *np = inet6_sk(sk);
+ struct dst_entry *dst;
dst = __sk_dst_check(sk, np->dst_cookie);
if (dst == NULL) {
struct inet_sock *inet = inet_sk(sk);
struct in6_addr *final_p, final;
- struct flowi fl;
-
- memset(&fl, 0, sizeof(fl));
- fl.proto = sk->sk_protocol;
- ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
- ipv6_addr_copy(&fl.fl6_src, &np->saddr);
- fl.fl6_flowlabel = np->flow_label;
- fl.oif = sk->sk_bound_dev_if;
- fl.mark = sk->sk_mark;
- fl.fl_ip_dport = inet->inet_dport;
- fl.fl_ip_sport = inet->inet_sport;
- security_sk_classify_flow(sk, &fl);
-
- final_p = fl6_update_dst(&fl, np->opt, &final);
-
- err = ip6_dst_lookup(sk, &dst, &fl);
- if (err) {
+ struct flowi6 fl6;
+
+ memset(&fl6, 0, sizeof(fl6));
+ fl6.flowi6_proto = sk->sk_protocol;
+ ipv6_addr_copy(&fl6.daddr, &np->daddr);
+ ipv6_addr_copy(&fl6.saddr, &np->saddr);
+ fl6.flowlabel = np->flow_label;
+ fl6.flowi6_oif = sk->sk_bound_dev_if;
+ fl6.flowi6_mark = sk->sk_mark;
+ fl6.fl6_dport = inet->inet_dport;
+ fl6.fl6_sport = inet->inet_sport;
+ security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
+
+ final_p = fl6_update_dst(&fl6, np->opt, &final);
+
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
+ if (IS_ERR(dst)) {
sk->sk_route_caps = 0;
- return err;
- }
- if (final_p)
- ipv6_addr_copy(&fl.fl6_dst, final_p);
-
- if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) {
- sk->sk_err_soft = -err;
- return err;
+ sk->sk_err_soft = -PTR_ERR(dst);
+ return PTR_ERR(dst);
}
__ip6_dst_store(sk, dst, NULL, NULL);