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-rw-r--r--net/dccp/timer.c25
1 files changed, 25 insertions, 0 deletions
diff --git a/net/dccp/timer.c b/net/dccp/timer.c
index 41ea0f6594c4..b038a0a3ad40 100644
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -261,8 +261,33 @@ out:
sock_put(sk);
}
+/* Transmit-delay timer: used by the CCIDs to delay actual send time */
+void dccp_write_xmit_timer(unsigned long data)
+{
+ struct sock *sk = (struct sock *)data;
+ struct dccp_sock *dp = dccp_sk(sk);
+
+ bh_lock_sock(sk);
+ if (sock_owned_by_user(sk))
+ sk_reset_timer(sk, &dp->dccps_xmit_timer, jiffies+1);
+ else
+ dccp_write_xmit(sk, 0);
+ bh_unlock_sock(sk);
+ sock_put(sk);
+}
+
+static void dccp_init_write_xmit_timer(struct sock *sk)
+{
+ struct dccp_sock *dp = dccp_sk(sk);
+
+ init_timer(&dp->dccps_xmit_timer);
+ dp->dccps_xmit_timer.data = (unsigned long)sk;
+ dp->dccps_xmit_timer.function = dccp_write_xmit_timer;
+}
+
void dccp_init_xmit_timers(struct sock *sk)
{
+ dccp_init_write_xmit_timer(sk);
inet_csk_init_xmit_timers(sk, &dccp_write_timer, &dccp_delack_timer,
&dccp_keepalive_timer);
}