netdev - RE: [RFC V4 PATCH] rtnetlink: Compute and store minimum ifinfo dump size

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Message-ID: <43F901BD926A4E43B106BF17856F0755018E321C4C@orsmsx508.amr.corp.intel.com>
Date:	Wed, 18 May 2011 15:49:25 -0700
From:	"Rose, Gregory V" <gregory.v.rose@...el.com>
To:	David Miller <davem@...emloft.net>
CC:	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"bhutchings@...arflare.com" <bhutchings@...arflare.com>,
	"eric.dumazet@...il.com" <eric.dumazet@...il.com>
Subject: RE: [RFC V4 PATCH] rtnetlink: Compute and store minimum ifinfo dump
 size

> -----Original Message-----
> From: David Miller [mailto:davem@...emloft.net]
> Sent: Wednesday, May 18, 2011 3:48 PM
> To: Rose, Gregory V
> Cc: netdev@...r.kernel.org; bhutchings@...arflare.com;
> eric.dumazet@...il.com
> Subject: Re: [RFC V4 PATCH] rtnetlink: Compute and store minimum ifinfo
> dump size
> 
> From: "Rose, Gregory V" <gregory.v.rose@...el.com>
> Date: Wed, 18 May 2011 15:35:58 -0700
> 
> > It looked to me like rtmsg_ifinfo is called when each device is
> > registered through register_netdevice() and rtmsg_ifinfo in turn
> > calls the if_nlmsg_size function returning the ifinfo dump size for
> > each device.  In my testing it looked like the proper maximum size
> > was being set after I loaded the drivers for the SR-IOV capable
> > devices.
> 
> Aha, indeed you're right.  I missed this part.  Thanks for explaining.
> 
> So as far as I can tell it should work, I'll let others review it to
> see if they are ok with this approach.

Ok, sure.  We'll see if Eric catches anything, he's got an eagle eye.

;^)

- Greg

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