On Tue, Apr 25, 2017 at 2:27 PM, Yuchung Cheng wrote:
>> + struct skb_mstamp tcp_mstamp; /* most recent packet received/sent */
> Eric: would this new stamp cover outgoing packet as well in the
> future? in the patch series seem to cover only the incoming packets.
This is the plan yes : t
On Tue, Apr 25, 2017 at 10:15 AM, Eric Dumazet wrote:
> We want to use precise timestamps in TCP stack, but we do not
> want to call possibly expensive kernel time services too often.
>
> tp->tcp_mstamp is guaranteed to be updated once per incoming packet.
>
> We will use it in the following patch
On Tue, Apr 25, 2017 at 1:15 PM, Eric Dumazet wrote:
> We want to use precise timestamps in TCP stack, but we do not
> want to call possibly expensive kernel time services too often.
>
> tp->tcp_mstamp is guaranteed to be updated once per incoming packet.
>
> We will use it in the following patche
On Tue, Apr 25, 2017 at 1:15 PM, Eric Dumazet wrote:
> We want to use precise timestamps in TCP stack, but we do not
> want to call possibly expensive kernel time services too often.
>
> tp->tcp_mstamp is guaranteed to be updated once per incoming packet.
>
> We will use it in the following patche
We want to use precise timestamps in TCP stack, but we do not
want to call possibly expensive kernel time services too often.
tp->tcp_mstamp is guaranteed to be updated once per incoming packet.
We will use it in the following patches, removing specific
skb_mstamp_get() calls, and removing ack_ti