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mptcp: implement mptcp_pm_connection_closed

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The MPTCP path manager event handler mptcp_pm_connection_closed
interface has been added in the commit 1b1c7a0ef7f3 ("mptcp: Add path
manager interface") but it was an empty function from then on.

With such name, it sounds good to invoke mptcp_event with the
MPTCP_EVENT_CLOSED event type from it. It also removes a bit of
duplicated code.

Signed-off-by: Geliang Tang <tanggeliang@kylinos.cn>
Reviewed-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Signed-off-by: Matthieu Baerts (NGI0) <matttbe@kernel.org>
Link: https://patch.msgid.link/20241021-net-next-mptcp-misc-6-13-v1-3-1ef02746504a@kernel.org
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Geliang Tang 2024-10-21 17:14:05 +02:00 committed by Jakub Kicinski
parent 581c8cbfa9
commit 5add80bfdc
2 changed files with 5 additions and 4 deletions
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3
net/mptcp/pm.c
View File

@ -154,6 +154,9 @@ void mptcp_pm_fully_established(struct mptcp_sock *msk, const struct sock *ssk)
void mptcp_pm_connection_closed(struct mptcp_sock *msk)
{
pr_debug("msk=%p\n", msk);
if (msk->token)
mptcp_event(MPTCP_EVENT_CLOSED, msk, NULL, GFP_KERNEL);
}
void mptcp_pm_subflow_established(struct mptcp_sock *msk)

6
net/mptcp/protocol.c
View File

@ -3139,8 +3139,7 @@ cleanup:
sock_hold(sk);
pr_debug("msk=%p state=%d\n", sk, sk->sk_state);
if (msk->token)
mptcp_event(MPTCP_EVENT_CLOSED, msk, NULL, GFP_KERNEL);
mptcp_pm_connection_closed(msk);
if (sk->sk_state == TCP_CLOSE) {
__mptcp_destroy_sock(sk);
@ -3206,8 +3205,7 @@ static int mptcp_disconnect(struct sock *sk, int flags)
mptcp_stop_rtx_timer(sk);
mptcp_stop_tout_timer(sk);
if (msk->token)
mptcp_event(MPTCP_EVENT_CLOSED, msk, NULL, GFP_KERNEL);
mptcp_pm_connection_closed(msk);
/* msk->subflow is still intact, the following will not free the first
* subflow