From: David Miller <davem@davemloft.net>
To: jdmason@kudzu.us
Cc: netdev@vger.kernel.org
Subject: Re: [net-next PATCH 1/3] vxge: always enable hardware time stamp
Date: Sun, 10 Apr 2011 18:58:45 -0700 (PDT) [thread overview]
Message-ID: <20110410.185845.70188298.davem@davemloft.net> (raw)
In-Reply-To: <1302297083-22665-1-git-send-email-jdmason@kudzu.us>
From: Jon Mason <jdmason@kudzu.us>
Date: Fri, 8 Apr 2011 16:11:21 -0500
> Hardware time stamp calculation can only be enabled by the privileged
> function. Enable it always by default and simply use the ethtool
> interface to set a flag to indicate whether or not the respective
> function driver should indicate the timestamp along with the received
> packet.
>
> Also, make certain fields in vxge_hw_device_config bit-fields to reduce
> the size of the struct.
>
> Signed-off-by: Jon Mason <jdmason@kudzu.us>
Doesn't this have some performance or latency impact?
I think it should be stay off by default, people who want this know
they want it and can turn it on if they want to.
next prev parent reply other threads:[~2011-04-11 1:59 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-04-08 21:11 [net-next PATCH 1/3] vxge: always enable hardware time stamp Jon Mason
2011-04-11 1:58 ` David Miller [this message]
2011-04-12 15:36 ` Jon Mason
2011-04-12 18:01 ` David Miller
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