netdev - Re: [PATCH net-next 3/6] gve: Add initial gve

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Message-ID: <aAhHDTWQ9k6_Eid5@LQ3V64L9R2>
Date: Tue, 22 Apr 2025 18:49:01 -0700
From: Joe Damato <jdamato@...tly.com>
To: Harshitha Ramamurthy <hramamurthy@...gle.com>
Cc: netdev@...r.kernel.org, davem@...emloft.net, edumazet@...gle.com,
	kuba@...nel.org, pabeni@...hat.com, jeroendb@...gle.com,
	andrew+netdev@...n.ch, willemb@...gle.com, ziweixiao@...gle.com,
	pkaligineedi@...gle.com, yyd@...gle.com, joshwash@...gle.com,
	shailend@...gle.com, linux@...blig.org, thostet@...gle.com,
	jfraker@...gle.com, horms@...nel.org, linux-kernel@...r.kernel.org
Subject: Re: [PATCH net-next 3/6] gve: Add initial gve_clock

On Fri, Apr 18, 2025 at 10:12:51PM +0000, Harshitha Ramamurthy wrote:
> From: Kevin Yang <yyd@...gle.com>
> 
> This initial version of the gve clock only performs one major function,
> managing querying the nic clock and storing the results.
> 
> The timestamp delivered in descriptors has a wraparound time of ~4
> seconds so 250ms is chosen as the sync cadence to provide a balance
> between performance, and drift potential when we do start associating
> host time and nic time.
> 
> A dedicated ordered workqueue has been setup to ensure a consistent
> cadence for querying the nic clock.
> 
> Co-developed-by: John Fraker <jfraker@...gle.com>
> Signed-off-by: John Fraker <jfraker@...gle.com>
> Co-developed-by: Ziwei Xiao <ziweixiao@...gle.com>
> Signed-off-by: Ziwei Xiao <ziweixiao@...gle.com>
> Co-developed-by: Tim Hostetler <thostet@...gle.com>
> Signed-off-by: Tim Hostetler <thostet@...gle.com>
> Reviewed-by: Willem de Bruijn <willemb@...gle.com>
> Signed-off-by: Kevin Yang <yyd@...gle.com>
> Signed-off-by: Harshitha Ramamurthy <hramamurthy@...gle.com>

Reviewed-by: Joe Damato <jdamato@...tly.com>