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path: root/net/ipv6/inet6_connection_sock.c
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Diffstat (limited to 'net/ipv6/inet6_connection_sock.c')
-rw-r--r--net/ipv6/inet6_connection_sock.c81
1 files changed, 34 insertions, 47 deletions
diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c
index d144e629d2b4..166054650466 100644
--- a/net/ipv6/inet6_connection_sock.c
+++ b/net/ipv6/inet6_connection_sock.c
@@ -61,26 +61,21 @@ struct dst_entry *inet6_csk_route_req(struct sock *sk,
struct ipv6_pinfo *np = inet6_sk(sk);
struct in6_addr *final_p, final;
struct dst_entry *dst;
- struct flowi fl;
-
- memset(&fl, 0, sizeof(fl));
- fl.proto = IPPROTO_TCP;
- ipv6_addr_copy(&fl.fl6_dst, &treq->rmt_addr);
- final_p = fl6_update_dst(&fl, np->opt, &final);
- ipv6_addr_copy(&fl.fl6_src, &treq->loc_addr);
- fl.oif = sk->sk_bound_dev_if;
- fl.mark = sk->sk_mark;
- fl.fl_ip_dport = inet_rsk(req)->rmt_port;
- fl.fl_ip_sport = inet_rsk(req)->loc_port;
- security_req_classify_flow(req, &fl);
-
- if (ip6_dst_lookup(sk, &dst, &fl))
- return NULL;
-
- if (final_p)
- ipv6_addr_copy(&fl.fl6_dst, final_p);
-
- if ((xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0)
+ struct flowi6 fl6;
+
+ memset(&fl6, 0, sizeof(fl6));
+ fl6.flowi6_proto = IPPROTO_TCP;
+ ipv6_addr_copy(&fl6.daddr, &treq->rmt_addr);
+ final_p = fl6_update_dst(&fl6, np->opt, &final);
+ ipv6_addr_copy(&fl6.saddr, &treq->loc_addr);
+ fl6.flowi6_oif = sk->sk_bound_dev_if;
+ fl6.flowi6_mark = sk->sk_mark;
+ fl6.fl6_dport = inet_rsk(req)->rmt_port;
+ fl6.fl6_sport = inet_rsk(req)->loc_port;
+ security_req_classify_flow(req, flowi6_to_flowi(&fl6));
+
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
+ if (IS_ERR(dst))
return NULL;
return dst;
@@ -213,42 +208,34 @@ int inet6_csk_xmit(struct sk_buff *skb)
struct sock *sk = skb->sk;
struct inet_sock *inet = inet_sk(sk);
struct ipv6_pinfo *np = inet6_sk(sk);
- struct flowi fl;
+ struct flowi6 fl6;
struct dst_entry *dst;
struct in6_addr *final_p, final;
- 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;
- IP6_ECN_flow_xmit(sk, fl.fl6_flowlabel);
- fl.oif = sk->sk_bound_dev_if;
- fl.mark = sk->sk_mark;
- fl.fl_ip_sport = inet->inet_sport;
- fl.fl_ip_dport = inet->inet_dport;
- security_sk_classify_flow(sk, &fl);
+ 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;
+ IP6_ECN_flow_xmit(sk, fl6.flowlabel);
+ fl6.flowi6_oif = sk->sk_bound_dev_if;
+ fl6.flowi6_mark = sk->sk_mark;
+ fl6.fl6_sport = inet->inet_sport;
+ fl6.fl6_dport = inet->inet_dport;
+ security_sk_classify_flow(sk, flowi6_to_flowi(&fl6));
- final_p = fl6_update_dst(&fl, np->opt, &final);
+ final_p = fl6_update_dst(&fl6, np->opt, &final);
dst = __inet6_csk_dst_check(sk, np->dst_cookie);
if (dst == NULL) {
- int err = ip6_dst_lookup(sk, &dst, &fl);
-
- if (err) {
- sk->sk_err_soft = -err;
- kfree_skb(skb);
- return err;
- }
-
- if (final_p)
- ipv6_addr_copy(&fl.fl6_dst, final_p);
+ dst = ip6_dst_lookup_flow(sk, &fl6, final_p, false);
- if ((err = xfrm_lookup(sock_net(sk), &dst, &fl, sk, 0)) < 0) {
+ if (IS_ERR(dst)) {
+ sk->sk_err_soft = -PTR_ERR(dst);
sk->sk_route_caps = 0;
kfree_skb(skb);
- return err;
+ return PTR_ERR(dst);
}
__inet6_csk_dst_store(sk, dst, NULL, NULL);
@@ -257,9 +244,9 @@ int inet6_csk_xmit(struct sk_buff *skb)
skb_dst_set(skb, dst_clone(dst));
/* Restore final destination back after routing done */
- ipv6_addr_copy(&fl.fl6_dst, &np->daddr);
+ ipv6_addr_copy(&fl6.daddr, &np->daddr);
- return ip6_xmit(sk, skb, &fl, np->opt);
+ return ip6_xmit(sk, skb, &fl6, np->opt);
}
EXPORT_SYMBOL_GPL(inet6_csk_xmit);