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Diffstat (limited to 'net/mptcp/subflow.c')
-rw-r--r--net/mptcp/subflow.c20
1 files changed, 10 insertions, 10 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c
index 4fa190368507..fabd06f2ff45 100644
--- a/net/mptcp/subflow.c
+++ b/net/mptcp/subflow.c
@@ -133,7 +133,6 @@ static void subflow_init_req(struct request_sock *req,
subflow_req->mp_capable = 0;
subflow_req->mp_join = 0;
- subflow_req->remote_key_valid = 0;
#ifdef CONFIG_TCP_MD5SIG
/* no MPTCP if MD5SIG is enabled on this socket or we may run out of
@@ -404,6 +403,7 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
pr_debug("listener=%p, req=%p, conn=%p", listener, req, listener->conn);
+ opt_rx.mptcp.mp_capable = 0;
if (tcp_rsk(req)->is_mptcp == 0)
goto create_child;
@@ -418,18 +418,14 @@ static struct sock *subflow_syn_recv_sock(const struct sock *sk,
goto create_msk;
}
- opt_rx.mptcp.mp_capable = 0;
mptcp_get_options(skb, &opt_rx);
- if (opt_rx.mptcp.mp_capable) {
- subflow_req->remote_key = opt_rx.mptcp.sndr_key;
- subflow_req->remote_key_valid = 1;
- } else {
+ if (!opt_rx.mptcp.mp_capable) {
fallback = true;
goto create_child;
}
create_msk:
- new_msk = mptcp_sk_clone(listener->conn, req);
+ new_msk = mptcp_sk_clone(listener->conn, &opt_rx, req);
if (!new_msk)
fallback = true;
} else if (subflow_req->mp_join) {
@@ -473,6 +469,13 @@ create_child:
mptcp_pm_new_connection(mptcp_sk(new_msk), 1);
ctx->conn = new_msk;
new_msk = NULL;
+
+ /* with OoO packets we can reach here without ingress
+ * mpc option
+ */
+ ctx->remote_key = opt_rx.mptcp.sndr_key;
+ ctx->fully_established = opt_rx.mptcp.mp_capable;
+ ctx->can_ack = opt_rx.mptcp.mp_capable;
} else if (ctx->mp_join) {
struct mptcp_sock *owner;
@@ -1134,9 +1137,6 @@ static void subflow_ulp_clone(const struct request_sock *req,
* is fully established only after we receive the remote key
*/
new_ctx->mp_capable = 1;
- new_ctx->fully_established = subflow_req->remote_key_valid;
- new_ctx->can_ack = subflow_req->remote_key_valid;
- new_ctx->remote_key = subflow_req->remote_key;
new_ctx->local_key = subflow_req->local_key;
new_ctx->token = subflow_req->token;
new_ctx->ssn_offset = subflow_req->ssn_offset;