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mptcp: export mptcp_subflow_active

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This patch moved the static function mptcp_subflow_active to protocol.h
as an inline one.

Acked-by: Paolo Abeni <pabeni@redhat.com>
Signed-off-by: Geliang Tang <geliangtang@gmail.com>
Signed-off-by: Mat Martineau <mathew.j.martineau@linux.intel.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
This commit is contained in:
Geliang Tang 2021-04-16 15:38:03 -07:00 committed by David S. Miller
parent e4b6135134
commit 43f1140b96
2 changed files with 12 additions and 12 deletions
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12
net/mptcp/protocol.c
View File

@ -399,18 +399,6 @@ static void mptcp_set_timeout(const struct sock *sk, const struct sock *ssk)
mptcp_sk(sk)->timer_ival = tout > 0 ? tout : TCP_RTO_MIN;
}
static bool mptcp_subflow_active(struct mptcp_subflow_context *subflow)
{
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
/* can't send if JOIN hasn't completed yet (i.e. is usable for mptcp) */
if (subflow->request_join && !subflow->fully_established)
return false;
/* only send if our side has not closed yet */
return ((1 << ssk->sk_state) & (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT));
}
static bool tcp_can_send_ack(const struct sock *ssk)
{
return !((1 << inet_sk_state_load(ssk)) &

12
net/mptcp/protocol.h
View File

@ -544,6 +544,18 @@ void mptcp_info2sockaddr(const struct mptcp_addr_info *info,
struct sockaddr_storage *addr,
unsigned short family);
static inline bool mptcp_subflow_active(struct mptcp_subflow_context *subflow)
{
struct sock *ssk = mptcp_subflow_tcp_sock(subflow);
/* can't send if JOIN hasn't completed yet (i.e. is usable for mptcp) */
if (subflow->request_join && !subflow->fully_established)
return false;
/* only send if our side has not closed yet */
return ((1 << ssk->sk_state) & (TCPF_ESTABLISHED | TCPF_CLOSE_WAIT));
}
static inline void mptcp_subflow_tcp_fallback(struct sock *sk,
struct mptcp_subflow_context *ctx)
{