mptcp: keep unaccepted MPC subflow into join list

[linux-2.6-microblaze.git] / net / mptcp / protocol.h

diff --git a/net/mptcp/protocol.h b/net/mptcp/protocol.h
index 10fffc5..7affaf0 100644 (file)
--- a/net/mptcp/protocol.h
+++ b/net/mptcp/protocol.h
@@ -403,6 +403,15 @@ mptcp_subflow_get_mapped_dsn(const struct mptcp_subflow_context *subflow)
        return subflow->map_seq + mptcp_subflow_get_map_offset(subflow);
 }
 
+static inline void mptcp_add_pending_subflow(struct mptcp_sock *msk,
+                                            struct mptcp_subflow_context *subflow)
+{
+       sock_hold(mptcp_subflow_tcp_sock(subflow));
+       spin_lock_bh(&msk->join_list_lock);
+       list_add_tail(&subflow->node, &msk->join_list);
+       spin_unlock_bh(&msk->join_list_lock);
+}
+
 int mptcp_is_enabled(struct net *net);
 unsigned int mptcp_get_add_addr_timeout(struct net *net);
 void mptcp_subflow_fully_established(struct mptcp_subflow_context *subflow,