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[DCCP]: Sample RTT from SYN exchange

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Gerrit Renker 2007-03-20 15:27:17 -03:00 • committed by David S. Miller
parent 7dfee1a9c0
commit 89560b53b9
3 changed files with 18 additions and 0 deletions
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8
net/dccp/input.c
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@ -300,6 +300,14 @@ static int dccp_rcv_request_sent_state_process(struct sock *sk,
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,