X-Git-Url: http://git.rot13.org/?a=blobdiff_plain;f=net%2Fdccp%2Ftimer.c;h=8447742f5615c6b615ee40ae086f5d4a1e6052d6;hb=1143e5a6d4d69cd36d44e0184769aa2b17041a10;hp=aa34b576e22827b038ab11a6a6e750def8786c0c;hpb=3cb904caa97f5c193df21b8cdf780a826564baff;p=powerpc.git

diff --git a/net/dccp/timer.c b/net/dccp/timer.c
index aa34b576e2..8447742f56 100644
--- a/net/dccp/timer.c
+++ b/net/dccp/timer.c
@@ -10,7 +10,6 @@
  *	2 of the License, or (at your option) any later version.
  */
 
-#include <linux/config.h>
 #include <linux/dccp.h>
 #include <linux/skbuff.h>
 
@@ -31,7 +30,7 @@ static void dccp_write_err(struct sock *sk)
 	sk->sk_err = sk->sk_err_soft ? : ETIMEDOUT;
 	sk->sk_error_report(sk);
 
-	dccp_v4_send_reset(sk, DCCP_RESET_CODE_ABORTED);
+	dccp_send_reset(sk, DCCP_RESET_CODE_ABORTED);
 	dccp_done(sk);
 	DCCP_INC_STATS_BH(DCCP_MIB_ABORTONTIMEOUT);
 }
@@ -141,6 +140,17 @@ static void dccp_retransmit_timer(struct sock *sk)
 {
 	struct inet_connection_sock *icsk = inet_csk(sk);
 
+	/* retransmit timer is used for feature negotiation throughout
+	 * connection.  In this case, no packet is re-transmitted, but rather an
+	 * ack is generated and pending changes are splaced into its options.
+	 */
+	if (sk->sk_send_head == NULL) {
+		dccp_pr_debug("feat negotiation retransmit timeout %p\n", sk);
+		if (sk->sk_state == DCCP_OPEN)
+			dccp_send_ack(sk);
+		goto backoff;
+	}
+
 	/*
 	 * sk->sk_send_head has to have one skb with
 	 * DCCP_SKB_CB(skb)->dccpd_type set to one of the retransmittable DCCP
@@ -177,6 +187,7 @@ static void dccp_retransmit_timer(struct sock *sk)
 		goto out;
 	}
 
+backoff:
 	icsk->icsk_backoff++;
 	icsk->icsk_retransmits++;