netdev - Re: [PATCH v4 net-next] tcp: switch rtt estimations to usec resolution

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Date:	Mon, 24 Feb 2014 22:47:47 +0200 (EET)
From:	Julian Anastasov <ja@....bg>
To:	Eric Dumazet <eric.dumazet@...il.com>
cc:	David Miller <davem@...emloft.net>,
	Yuchung Cheng <ycheng@...gle.com>,
	netdev <netdev@...r.kernel.org>,
	Neal Cardwell <ncardwell@...gle.com>,
	Larry Brakmo <brakmo@...gle.com>
Subject: Re: [PATCH v4 net-next] tcp: switch rtt estimations to usec
 resolution


	Hello,

On Mon, 24 Feb 2014, Eric Dumazet wrote:

> v4: switch to ktime_get() instead of ktime_get_real()

	May be you missed my last email. In tcpm_suck_dst()
dst_metric_raw(dst, RTAX_RTT) returns msecs and we store
it in tcpm_vals[] which is now in usec units. If we want to keep
dst metrics in msec units we can fix this only in tcpm_suck_dst.
Otherwise, similar attributes for dst metrics in ip/iproute.c
are needed.

Regards

--
Julian Anastasov <ja@....bg>
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