tcp: make tcp_cwnd_application_limited() static

[cascardo/linux.git] / net / ipv4 / tcp_input.c

diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index d6b46eb..6efed13 100644 (file)
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -4703,28 +4703,6 @@ static int tcp_prune_queue(struct sock *sk)
        return -1;
 }
 
-/* RFC2861, slow part. Adjust cwnd, after it was not full during one rto.
- * As additional protections, we do not touch cwnd in retransmission phases,
- * and if application hit its sndbuf limit recently.
- */
-void tcp_cwnd_application_limited(struct sock *sk)
-{
-       struct tcp_sock *tp = tcp_sk(sk);
-
-       if (inet_csk(sk)->icsk_ca_state == TCP_CA_Open &&
-           sk->sk_socket && !test_bit(SOCK_NOSPACE, &sk->sk_socket->flags)) {
-               /* Limited by application or receiver window. */
-               u32 init_win = tcp_init_cwnd(tp, __sk_dst_get(sk));
-               u32 win_used = max(tp->snd_cwnd_used, init_win);
-               if (win_used < tp->snd_cwnd) {
-                       tp->snd_ssthresh = tcp_current_ssthresh(sk);
-                       tp->snd_cwnd = (tp->snd_cwnd + win_used) >> 1;
-               }
-               tp->snd_cwnd_used = 0;
-       }
-       tp->snd_cwnd_stamp = tcp_time_stamp;
-}
-
 static bool tcp_should_expand_sndbuf(const struct sock *sk)
 {
        const struct tcp_sock *tp = tcp_sk(sk);