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authorEric Dumazet <edumazet@google.com>2023-07-18 19:20:49 +0300
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2023-09-13 10:53:02 +0300
commita54f60bbbf84efae424cfc7e99efbac1e0fbf7ad (patch)
tree26dc628619b00a203ed19ed0c348cc713a176d50
parentaa39f43a498e766aff12b8b39eeff8f1450d2c8a (diff)
downloadlinux-a54f60bbbf84efae424cfc7e99efbac1e0fbf7ad.tar.xz
tcp: tcp_enter_quickack_mode() should be static
[ Upstream commit 03b123debcbc8db987bda17ed8412cc011064c22 ] After commit d2ccd7bc8acd ("tcp: avoid resetting ACK timer in DCTCP"), tcp_enter_quickack_mode() is only used from net/ipv4/tcp_input.c. Fixes: d2ccd7bc8acd ("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>
-rw-r--r--include/net/tcp.h1
-rw-r--r--net/ipv4/tcp_input.c3
2 files changed, 1 insertions, 3 deletions
diff --git a/include/net/tcp.h b/include/net/tcp.h
index 0ca972ebd3dd..10fc5c5928f7 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -350,7 +350,6 @@ ssize_t tcp_splice_read(struct socket *sk, loff_t *ppos,
struct sk_buff *tcp_stream_alloc_skb(struct sock *sk, 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)
{
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 57c8af1859c1..48c2b96b0843 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -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.