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| author | David S. Miller | 2010-12-02 19:59:22 +0100 |
|---|---|---|
| committer | David S. Miller | 2010-12-02 19:59:22 +0100 |
| commit | ae4694b2d3e4c0f47c0e804a68417be57e5daf85 (patch) | |
| tree | f432ea91b11a003f70e27c346252db91d5876bd0 | |
| parent | ipv6: Add rt6_get_peer() helper. (diff) | |
| download | kernel-qcow2-linux-ae4694b2d3e4c0f47c0e804a68417be57e5daf85.tar.gz kernel-qcow2-linux-ae4694b2d3e4c0f47c0e804a68417be57e5daf85.tar.xz kernel-qcow2-linux-ae4694b2d3e4c0f47c0e804a68417be57e5daf85.zip | |
ipv6: Create inet6_csk_route_req().
Brother of ipv4's inet_csk_route_req().
Signed-off-by: David S. Miller <davem@davemloft.net>
| -rw-r--r-- | include/net/inet6_connection_sock.h | 3 | ||||
| -rw-r--r-- | net/ipv6/inet6_connection_sock.c | 32 |
2 files changed, 35 insertions, 0 deletions
diff --git a/include/net/inet6_connection_sock.h b/include/net/inet6_connection_sock.h index aae08f686633..ff013505236b 100644 --- a/include/net/inet6_connection_sock.h +++ b/include/net/inet6_connection_sock.h @@ -25,6 +25,9 @@ struct sockaddr; extern int inet6_csk_bind_conflict(const struct sock *sk, const struct inet_bind_bucket *tb); +extern struct dst_entry* inet6_csk_route_req(struct sock *sk, + const struct request_sock *req); + extern struct request_sock *inet6_csk_search_req(const struct sock *sk, struct request_sock ***prevp, const __be16 rport, diff --git a/net/ipv6/inet6_connection_sock.c b/net/ipv6/inet6_connection_sock.c index 861d252bd1ba..e46305d1815a 100644 --- a/net/ipv6/inet6_connection_sock.c +++ b/net/ipv6/inet6_connection_sock.c @@ -54,6 +54,38 @@ int inet6_csk_bind_conflict(const struct sock *sk, EXPORT_SYMBOL_GPL(inet6_csk_bind_conflict); +struct dst_entry *inet6_csk_route_req(struct sock *sk, + const struct request_sock *req) +{ + struct inet6_request_sock *treq = inet6_rsk(req); + 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) + return NULL; + + return dst; +} + /* * request_sock (formerly open request) hash tables. */ |