[DCCP] Introduce dccp_timestamp

To start the timestamps with 0.0ms, easing the integer maths in the CCIDs, this
probably will be reworked to use the to be introduced struct timeval_offset
infrastructure out of skb_get_timestamp, etc.

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>
diff --git a/net/dccp/minisocks.c b/net/dccp/minisocks.c
index ce5dff4..18461bc 100644
--- a/net/dccp/minisocks.c
+++ b/net/dccp/minisocks.c
@@ -96,6 +96,7 @@
 		newdp->dccps_hc_rx_ackpkts = NULL;
 		newdp->dccps_role = DCCP_ROLE_SERVER;
 		newicsk->icsk_rto = DCCP_TIMEOUT_INIT;
+		do_gettimeofday(&newdp->dccps_epoch);
 
 		if (newdp->dccps_options.dccpo_send_ack_vector) {
 			newdp->dccps_hc_rx_ackpkts =