summaryrefslogtreecommitdiff
path: root/net/ipv4/tcp_output.c
diff options
context:
space:
mode:
Diffstat (limited to 'net/ipv4/tcp_output.c')
-rw-r--r--net/ipv4/tcp_output.c34
1 files changed, 0 insertions, 34 deletions
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 1c839c99114c..517d737059d1 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -1806,40 +1806,6 @@ static bool tcp_snd_wnd_test(const struct tcp_sock *tp,
return !after(end_seq, tcp_wnd_end(tp));
}
-/* This checks if the data bearing packet SKB (usually tcp_send_head(sk))
- * should be put on the wire right now. If so, it returns the number of
- * packets allowed by the congestion window.
- */
-static unsigned int tcp_snd_test(const struct sock *sk, struct sk_buff *skb,
- unsigned int cur_mss, int nonagle)
-{
- const struct tcp_sock *tp = tcp_sk(sk);
- unsigned int cwnd_quota;
-
- tcp_init_tso_segs(skb, cur_mss);
-
- if (!tcp_nagle_test(tp, skb, cur_mss, nonagle))
- return 0;
-
- cwnd_quota = tcp_cwnd_test(tp, skb);
- if (cwnd_quota && !tcp_snd_wnd_test(tp, skb, cur_mss))
- cwnd_quota = 0;
-
- return cwnd_quota;
-}
-
-/* Test if sending is allowed right now. */
-bool tcp_may_send_now(struct sock *sk)
-{
- const struct tcp_sock *tp = tcp_sk(sk);
- struct sk_buff *skb = tcp_send_head(sk);
-
- return skb &&
- tcp_snd_test(sk, skb, tcp_current_mss(sk),
- (tcp_skb_is_last(sk, skb) ?
- tp->nonagle : TCP_NAGLE_PUSH));
-}
-
/* Trim TSO SKB to LEN bytes, put the remaining data into a new packet
* which is put after SKB on the list. It is very much like
* tcp_fragment() except that it may make several kinds of assumptions