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Diffstat (limited to 'net/mptcp/protocol.c')
-rw-r--r--net/mptcp/protocol.c18
1 files changed, 8 insertions, 10 deletions
diff --git a/net/mptcp/protocol.c b/net/mptcp/protocol.c
index 37ebcb7640eb..c2317919fc14 100644
--- a/net/mptcp/protocol.c
+++ b/net/mptcp/protocol.c
@@ -3717,13 +3717,6 @@ static int mptcp_ioctl(struct sock *sk, int cmd, int *karg)
return 0;
}
-static void mptcp_subflow_early_fallback(struct mptcp_sock *msk,
- struct mptcp_subflow_context *subflow)
-{
- subflow->request_mptcp = 0;
- __mptcp_do_fallback(msk);
-}
-
static int mptcp_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
{
struct mptcp_subflow_context *subflow;
@@ -3744,9 +3737,14 @@ static int mptcp_connect(struct sock *sk, struct sockaddr *uaddr, int addr_len)
if (rcu_access_pointer(tcp_sk(ssk)->md5sig_info))
mptcp_subflow_early_fallback(msk, subflow);
#endif
- if (subflow->request_mptcp && mptcp_token_new_connect(ssk)) {
- MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_TOKENFALLBACKINIT);
- mptcp_subflow_early_fallback(msk, subflow);
+ if (subflow->request_mptcp) {
+ if (mptcp_active_should_disable(sk)) {
+ MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_MPCAPABLEACTIVEDISABLED);
+ mptcp_subflow_early_fallback(msk, subflow);
+ } else if (mptcp_token_new_connect(ssk) < 0) {
+ MPTCP_INC_STATS(sock_net(ssk), MPTCP_MIB_TOKENFALLBACKINIT);
+ mptcp_subflow_early_fallback(msk, subflow);
+ }
}
WRITE_ONCE(msk->write_seq, subflow->idsn);