diff options
Diffstat (limited to 'net/mptcp/subflow.c')
| -rw-r--r-- | net/mptcp/subflow.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/net/mptcp/subflow.c b/net/mptcp/subflow.c index 1802bc5435a1..3f1b62a9fe88 100644 --- a/net/mptcp/subflow.c +++ b/net/mptcp/subflow.c @@ -544,12 +544,13 @@ static void subflow_finish_connect(struct sock *sk, const struct sk_buff *skb) mptcp_get_options(skb, &mp_opt); if (subflow->request_mptcp) { if (!(mp_opt.suboptions & OPTION_MPTCP_MPC_SYNACK)) { - if (!mptcp_try_fallback(sk)) + if (!mptcp_try_fallback(sk, + MPTCP_MIB_MPCAPABLEACTIVEFALLBACK)) { + MPTCP_INC_STATS(sock_net(sk), + MPTCP_MIB_FALLBACKFAILED); goto do_reset; + } - MPTCP_INC_STATS(sock_net(sk), - MPTCP_MIB_MPCAPABLEACTIVEFALLBACK); - pr_fallback(msk); goto fallback; } @@ -1406,7 +1407,7 @@ fallback: return true; } - if (!mptcp_try_fallback(ssk)) { + if (!mptcp_try_fallback(ssk, MPTCP_MIB_DSSFALLBACK)) { /* fatal protocol error, close the socket. * subflow_error_report() will introduce the appropriate barriers */ @@ -1853,14 +1854,11 @@ static void subflow_state_change(struct sock *sk) { struct mptcp_subflow_context *subflow = mptcp_subflow_ctx(sk); struct sock *parent = subflow->conn; - struct mptcp_sock *msk; __subflow_state_change(sk); - msk = mptcp_sk(parent); if (subflow_simultaneous_connect(sk)) { - WARN_ON_ONCE(!mptcp_try_fallback(sk)); - pr_fallback(msk); + WARN_ON_ONCE(!mptcp_try_fallback(sk, MPTCP_MIB_SIMULTCONNFALLBACK)); subflow->conn_finished = 1; mptcp_propagate_state(parent, sk, subflow, NULL); } |