[CCID3] Use ELAPSED_TIME in the HC TX RTT estimation

Signed-off-by: Arnaldo Carvalho de Melo <acme@mandriva.com>

diff --git a/net/dccp/ccids/ccid3.c b/net/dccp/ccids/ccid3.c
index 63f8973..86c109e 100644 (file)
--- a/net/dccp/ccids/ccid3.c
+++ b/net/dccp/ccids/ccid3.c
@@ -483,7 +483,7 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 
        opt_recv = &hctx->ccid3hctx_options_received;
 
-       t_elapsed = dp->dccps_options_received.dccpor_elapsed_time;
+       t_elapsed = dp->dccps_options_received.dccpor_elapsed_time * 10;
        x_recv = opt_recv->ccid3or_receive_rate;
        pinv = opt_recv->ccid3or_loss_event_rate;
 
@@ -509,8 +509,12 @@ static void ccid3_hc_tx_packet_recv(struct sock *sk, struct sk_buff *skb)
 
                /* Update RTT */
                r_sample = timeval_now_delta(&packet->dccphtx_tstamp);
-               /* FIXME: */
-               // r_sample -= usecs_to_jiffies(t_elapsed * 10);
+               if (unlikely(r_sample <= t_elapsed))
+                       LIMIT_NETDEBUG(KERN_WARNING
+                                      "%s: r_sample=%uus, t_elapsed=%uus\n",
+                                      __FUNCTION__, r_sample, t_elapsed);
+               else
+                       r_sample -= t_elapsed;
 
                /* Update RTT estimate by 
                 * If (No feedback recv)