netdev - RE: [RFC 5/5] i40e/ethtool: support coalesce setting by queue

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Date:	Mon, 21 Dec 2015 16:49:09 +0000
From:	"Nelson, Shannon" <shannon.nelson@...el.com>
To:	"Liang, Kan" <kan.liang@...el.com>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"bwh@...nel.org" <bwh@...nel.org>
CC:	"Brandeburg, Jesse" <jesse.brandeburg@...el.com>,
	"andi@...stfloor.org" <andi@...stfloor.org>,
	"f.fainelli@...il.com" <f.fainelli@...il.com>,
	"alexander.duyck@...il.com" <alexander.duyck@...il.com>,
	"Kirsher, Jeffrey T" <jeffrey.t.kirsher@...el.com>,
	"Wyborny, Carolyn" <carolyn.wyborny@...el.com>,
	"Skidmore, Donald C" <donald.c.skidmore@...el.com>,
	"Williams, Mitch A" <mitch.a.williams@...el.com>,
	"ogerlitz@...lanox.com" <ogerlitz@...lanox.com>,
	"edumazet@...gle.com" <edumazet@...gle.com>,
	"jiri@...lanox.com" <jiri@...lanox.com>,
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	"gospo@...ulusnetworks.com" <gospo@...ulusnetworks.com>,
	"sasha.levin@...cle.com" <sasha.levin@...cle.com>,
	"dsahern@...il.com" <dsahern@...il.com>,
	"tj@...nel.org" <tj@...nel.org>,
	"cascardo@...hat.com" <cascardo@...hat.com>,
	"corbet@....net" <corbet@....net>,
	"ben@...adent.org.uk" <ben@...adent.org.uk>
Subject: RE: [RFC 5/5] i40e/ethtool: support coalesce setting by queue



> From: Liang, Kan
> Sent: Friday, December 18, 2015 1:06 PM
> 
> Hi sln,
> 
> Thanks for the comments. I will fix it in V2.
> 
> Could you please check if the following code can find and set/get vector
> correctly?
> 
> Get rx_usecs and tx_usecs per queue
> 
> +	if (queue > 0) {
> +		if (queue >= vsi->num_queue_pairs) {
> +			netif_info(pf, drv, netdev, "Invalid queue number\n");

Adding queue range information here like in the next chunk would be nice.

Otherwise, I think the rest of this looks reasonable.

sln

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