diff options
Diffstat (limited to 'net/mptcp/pm.c')
| -rw-r--r-- | net/mptcp/pm.c | 23 |
1 files changed, 21 insertions, 2 deletions
diff --git a/net/mptcp/pm.c b/net/mptcp/pm.c index e9ba9551832c..696b2c4613a7 100644 --- a/net/mptcp/pm.c +++ b/net/mptcp/pm.c @@ -172,9 +172,28 @@ void mptcp_pm_subflow_established(struct mptcp_sock *msk) spin_unlock_bh(&pm->lock); } -void mptcp_pm_subflow_closed(struct mptcp_sock *msk, u8 id) +void mptcp_pm_subflow_check_next(struct mptcp_sock *msk, const struct sock *ssk, + const struct mptcp_subflow_context *subflow) { - pr_debug("msk=%p", msk); + struct mptcp_pm_data *pm = &msk->pm; + bool update_subflows; + + update_subflows = (ssk->sk_state == TCP_CLOSE) && + (subflow->request_join || subflow->mp_join); + if (!READ_ONCE(pm->work_pending) && !update_subflows) + return; + + spin_lock_bh(&pm->lock); + if (update_subflows) + pm->subflows--; + + /* Even if this subflow is not really established, tell the PM to try + * to pick the next ones, if possible. + */ + if (mptcp_pm_nl_check_work_pending(msk)) + mptcp_pm_schedule_work(msk, MPTCP_PM_SUBFLOW_ESTABLISHED); + + spin_unlock_bh(&pm->lock); } void mptcp_pm_add_addr_received(struct mptcp_sock *msk, |