diff options
Diffstat (limited to '')
| -rw-r--r-- | net/mptcp/subflow.c | 13 |
1 files changed, 9 insertions, 4 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 1662e1178949..65122edf60aa 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -186,6 +186,9 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk, pr_debug("listener=%p, req=%p, conn=%p", listener, req, listener->conn); + if (tcp_rsk(req)->is_mptcp == 0) + goto create_child; + /* if the sk is MP_CAPABLE, we try to fetch the client key */ subflow_req = mptcp_subflow_rsk(req); if (subflow_req->mp_capable) { @@ -582,9 +585,9 @@ subflow_default_af_ops(struct sock *sk) return &subflow_specific; } -void mptcp_handle_ipv6_mapped(struct sock *sk, bool mapped) -{ #if IS_ENABLED(CONFIG_MPTCP_IPV6) +void mptcpv6_handle_mapped(struct sock *sk, bool mapped) +{ struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); struct inet_connection_sock *icsk = inet_csk(sk); struct inet_connection_sock_af_ops *target; @@ -599,8 +602,8 @@ void mptcp_handle_ipv6_mapped(struct sock *sk, bool mapped) subflow->icsk_af_ops = icsk->icsk_af_ops; icsk->icsk_af_ops = target; -#endif } +#endif int mptcp_subflow_create_socket(struct sock *sk, struct socket **new_sock) { @@ -621,7 +624,9 @@ int mptcp_subflow_create_socket(struct sock *sk, struct socket **new_sock) */ sf->sk->sk_net_refcnt = 1; get_net(net); +#ifdef CONFIG_PROC_FS this_cpu_add(*net->core.sock_inuse, 1); +#endif err = tcp_set_ulp(sf->sk, "mptcp"); release_sock(sf->sk); @@ -767,7 +772,7 @@ static void subflow_ulp_clone(const struct request_sock *req, struct mptcp_subflow_context *old_ctx = mptcp_subflow_ctx(newsk); struct mptcp_subflow_context *new_ctx; - if (!subflow_req->mp_capable) { + if (!tcp_rsk(req)->is_mptcp || !subflow_req->mp_capable) { subflow_ulp_fallback(newsk, old_ctx); return; } |