commit 89560b53b92a07c529e13a462aa7fd87a844f1f5
author Gerrit Renker <gerrit@erg.abdn.ac.uk> Tue Mar 20 15:27:17 2007 -0300
committer David S. Miller <davem@sunset.davemloft.net> Wed Apr 25 22:27:02 2007 -0700
tree 89409bee68da1ee44b7945315efecd779d7fe60a
parent 7dfee1a9c07f80a82aa5fbad340146f2b5c794b4

[DCCP]: Sample RTT from SYN exchange

Function:

net/dccp/input.c

diff --git a/net/dccp/input.c b/net/dccp/input.c
index bd578c8..da6ec18 100644
--- a/net/dccp/input.c
+++ b/net/dccp/input.c
@@ -300,6 +300,14 @@
 		if (dccp_parse_options(sk, skb))
 			goto out_invalid_packet;
 
+		/* Obtain RTT sample from SYN exchange (used by CCID 3) */
+		if (dp->dccps_options_received.dccpor_timestamp_echo) {
+			struct timeval now;
+
+			dccp_timestamp(sk, &now);
+			dp->dccps_syn_rtt = dccp_sample_rtt(sk, &now, NULL);
+		}
+
 		if (dccp_msk(sk)->dccpms_send_ack_vector &&
 		    dccp_ackvec_add(dp->dccps_hc_rx_ackvec, sk,
 				    DCCP_SKB_CB(skb)->dccpd_seq,