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tcp: tcp_enter_quickack_mode() should be static

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[ Upstream commit 03b123debc ]

After commit d2ccd7bc8a ("tcp: avoid resetting ACK timer in DCTCP"),
tcp_enter_quickack_mode() is only used from net/ipv4/tcp_input.c.

Fixes: d2ccd7bc8a ("tcp: avoid resetting ACK timer in DCTCP")
Signed-off-by: Eric Dumazet <edumazet@google.com>
Cc: Yuchung Cheng <ycheng@google.com>
Cc: Neal Cardwell <ncardwell@google.com>
Link: https://lore.kernel.org/r/20230718162049.1444938-1-edumazet@google.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Signed-off-by: Sasha Levin <sashal@kernel.org>
This commit is contained in:
Eric Dumazet 2023-07-18 16:20:49 +00:00 committed by Greg Kroah-Hartman
parent b46ef4835b
commit b5058b3491
2 changed files with 1 additions and 3 deletions
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1
include/net/tcp.h
View file

@ -355,7 +355,6 @@ ssize_t tcp_splice_read(struct socket *sk, loff_t *ppos,
struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, int size, gfp_t gfp,
bool force_schedule);
void tcp_enter_quickack_mode(struct sock *sk, unsigned int max_quickacks);
static inline void tcp_dec_quickack_mode(struct sock *sk,
const unsigned int pkts)
{

3
net/ipv4/tcp_input.c
View file

@ -287,7 +287,7 @@ static void tcp_incr_quickack(struct sock *sk, unsigned int max_quickacks)
icsk->icsk_ack.quick = quickacks;
}
void tcp_enter_quickack_mode(struct sock *sk, unsigned int max_quickacks)
static void tcp_enter_quickack_mode(struct sock *sk, unsigned int max_quickacks)
{
struct inet_connection_sock *icsk = inet_csk(sk);
@ -295,7 +295,6 @@ void tcp_enter_quickack_mode(struct sock *sk, unsigned int max_quickacks)
inet_csk_exit_pingpong_mode(sk);
icsk->icsk_ack.ato = TCP_ATO_MIN;
}
EXPORT_SYMBOL(tcp_enter_quickack_mode);
/* Send ACKs quickly, if "quick" count is not exhausted
* and the session is not interactive.