[TCP]: Move __tcp_data_snd_check into tcp_output.c
It reimplements portions of tcp_snd_check(), so it
we move it to tcp_output.c we can consolidate it's
logic much easier in a later change.
Signed-off-by: David S. Miller <davem@davemloft.net>
diff --git a/include/net/tcp.h b/include/net/tcp.h
index f2b1045..4888f9d 100644
--- a/include/net/tcp.h
+++ b/include/net/tcp.h
@@ -849,6 +849,7 @@
/* tcp_output.c */
extern int tcp_write_xmit(struct sock *, int nonagle);
+extern void __tcp_data_snd_check(struct sock *sk, struct sk_buff *skb);
extern void __tcp_push_pending_frames(struct sock *sk, struct tcp_sock *tp,
unsigned cur_mss, int nonagle);
extern int tcp_may_send_now(struct sock *sk, struct tcp_sock *tp);
diff --git a/net/ipv4/tcp_input.c b/net/ipv4/tcp_input.c
index 7bbbbc3..5774243 100644
--- a/net/ipv4/tcp_input.c
+++ b/net/ipv4/tcp_input.c
@@ -3346,16 +3346,6 @@
}
}
-static void __tcp_data_snd_check(struct sock *sk, struct sk_buff *skb)
-{
- struct tcp_sock *tp = tcp_sk(sk);
-
- if (after(TCP_SKB_CB(skb)->end_seq, tp->snd_una + tp->snd_wnd) ||
- tcp_packets_in_flight(tp) >= tp->snd_cwnd ||
- tcp_write_xmit(sk, tp->nonagle))
- tcp_check_probe_timer(sk, tp);
-}
-
static __inline__ void tcp_data_snd_check(struct sock *sk)
{
struct sk_buff *skb = sk->sk_send_head;
diff --git a/net/ipv4/tcp_output.c b/net/ipv4/tcp_output.c
index 2cbe879..362b811 100644
--- a/net/ipv4/tcp_output.c
+++ b/net/ipv4/tcp_output.c
@@ -530,6 +530,16 @@
tcp_cwnd_validate(sk, tp);
}
+void __tcp_data_snd_check(struct sock *sk, struct sk_buff *skb)
+{
+ struct tcp_sock *tp = tcp_sk(sk);
+
+ if (after(TCP_SKB_CB(skb)->end_seq, tp->snd_una + tp->snd_wnd) ||
+ tcp_packets_in_flight(tp) >= tp->snd_cwnd ||
+ tcp_write_xmit(sk, tp->nonagle))
+ tcp_check_probe_timer(sk, tp);
+}
+
int tcp_may_send_now(struct sock *sk, struct tcp_sock *tp)
{
struct sk_buff *skb = sk->sk_send_head;