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mptcp: expose mptcp_check_and_set_pending

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Expose the mptcp_check_and_set_pending() function for use inside MPTCP
sockopt code. The next patch will call it when TCP_CORK is cleared or
TCP_NODELAY is set on the MPTCP socket in order to push pending data
from mptcp_release_cb().

Acked-by: Paolo Abeni <pabeni@redhat.com>
Reviewed-by: Matthieu Baerts <matthieu.baerts@tessares.net>
Signed-off-by: Maxim Galaganov <max@internet.ru>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
This commit is contained in:
Maxim Galaganov 2021-12-03 14:35:40 -08:00 committed by Jakub Kicinski
parent 6fadaa5658
commit 8b38217a2a
2 changed files with 2 additions and 1 deletions
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2
net/mptcp/protocol.c
View File

@ -1502,7 +1502,7 @@ static void mptcp_update_post_push(struct mptcp_sock *msk,
msk->snd_nxt = snd_nxt_new;
}
static void mptcp_check_and_set_pending(struct sock *sk)
void mptcp_check_and_set_pending(struct sock *sk)
{
if (mptcp_send_head(sk) &&
!test_bit(MPTCP_PUSH_PENDING, &mptcp_sk(sk)->flags))

1
net/mptcp/protocol.h
View File

@ -555,6 +555,7 @@ unsigned int mptcp_stale_loss_cnt(const struct net *net);
void mptcp_subflow_fully_established(struct mptcp_subflow_context *subflow,
struct mptcp_options_received *mp_opt);
bool __mptcp_retransmit_pending_data(struct sock *sk);
void mptcp_check_and_set_pending(struct sock *sk);
void __mptcp_push_pending(struct sock *sk, unsigned int flags);
bool mptcp_subflow_data_available(struct sock *sk);
void __init mptcp_subflow_init(void);