@@ -58,6 +58,7 @@ struct mptcp_out_options {
};
#ifdef CONFIG_MPTCP
+extern struct request_sock_ops mptcp_subflow_request_sock_ops;
void mptcp_init(void);
@@ -293,7 +293,8 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb)
tcp_done(sk);
}
-static struct request_sock_ops subflow_request_sock_ops;
+struct request_sock_ops mptcp_subflow_request_sock_ops;
+EXPORT_SYMBOL_GPL(mptcp_subflow_request_sock_ops);
static struct tcp_request_sock_ops subflow_request_sock_ipv4_ops;
static int subflow_v4_conn_request(struct sock *sk, struct sk_buff *skb)
@@ -306,7 +307,7 @@ static int subflow_v4_conn_request(struct sock *sk, struct sk_buff *skb)
if (skb_rtable(skb)->rt_flags & (RTCF_BROADCAST | RTCF_MULTICAST))
goto drop;
- return tcp_conn_request(&subflow_request_sock_ops,
+ return tcp_conn_request(&mptcp_subflow_request_sock_ops,
&subflow_request_sock_ipv4_ops,
sk, skb);
drop:
@@ -331,7 +332,7 @@ static int subflow_v6_conn_request(struct sock *sk, struct sk_buff *skb)
if (!ipv6_unicast_destination(skb))
goto drop;
- return tcp_conn_request(&subflow_request_sock_ops,
+ return tcp_conn_request(&mptcp_subflow_request_sock_ops,
&subflow_request_sock_ipv6_ops, sk, skb);
drop:
@@ -1310,8 +1311,8 @@ static int subflow_ops_init(struct request_sock_ops *subflow_ops)
void __init mptcp_subflow_init(void)
{
- subflow_request_sock_ops = tcp_request_sock_ops;
- if (subflow_ops_init(&subflow_request_sock_ops) != 0)
+ mptcp_subflow_request_sock_ops = tcp_request_sock_ops;
+ if (subflow_ops_init(&mptcp_subflow_request_sock_ops) != 0)
panic("MPTCP: failed to init subflow request sock ops\n");
subflow_request_sock_ipv4_ops = tcp_request_sock_ipv4_ops;
syncookie code path needs to create an mptcp request sock. Prepare for this and add mptcp prefix plus needed export of ops struct. Signed-off-by: Florian Westphal <fw@strlen.de> --- include/net/mptcp.h | 1 + net/mptcp/subflow.c | 11 ++++++----- 2 files changed, 7 insertions(+), 5 deletions(-)