[TCP]: tcp_rcv_rtt_measure_ts() call in pure-ACK path is superfluous
authorDavid S. Miller <davem@sunset.sfo1.dsl.speakeasy.net>
Thu, 25 May 2006 23:11:14 +0000 (16:11 -0700)
committerDavid S. Miller <davem@sunset.davemloft.net>
Sun, 18 Jun 2006 04:26:16 +0000 (21:26 -0700)
commit15986e1aadbbf40a331cddd0470bb434d156431d
treebcfa9d6d58fbf89184a951c4738d9d3ec8cae0d5
parent11dc1f36a6701b502ecb695f308aae46ede8bac6
[TCP]: tcp_rcv_rtt_measure_ts() call in pure-ACK path is superfluous

We only want to take receive RTT mesaurements for data
bearing frames, here in the header prediction fast path
for a pure-sender, we know that we have a pure-ACK and
thus the checks in tcp_rcv_rtt_mesaure_ts() will not pass.

Signed-off-by: David S. Miller <davem@davemloft.net>
net/ipv4/tcp_input.c