netdev - Re: [PATCH]: sky2: Fix VLAN unregistration

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Date:	Thu, 31 May 2007 11:21:17 -0700
From:	Stephen Hemminger <shemminger@...ux-foundation.org>
To:	Patrick McHardy <kaber@...sh.net>
Cc:	Linux Netdev List <netdev@...r.kernel.org>,
	Ben Greear <greearb@...delatech.com>
Subject: Re: [PATCH]: sky2: Fix VLAN unregistration

On Thu, 31 May 2007 19:37:07 +0200
Patrick McHardy <kaber@...sh.net> wrote:

> Stephen Hemminger wrote:
> > On Sun, 27 May 2007 20:44:04 +0200
> > Patrick McHardy <kaber@...sh.net> wrote:
> > 
> > 
> >>Fix sky2 disabling VLAN completely when the first vid is unregistered.
> >>
> >>For some reason the VLAN code insists on the driver providing a
> >>vlan_rx_kill_vid function even if only NETIF_F_HW_VLAN_RX and not
> >>NETIF_F_HW_VLAN_FILTER is set, so this patch keeps an empty
> >>function. This seems to be a bug though, vlan_rx_add_vid is only
> >>required with NETIF_F_HW_VLAN_FILTER. Ben?
> >>
> > 
> > 
> > Reading other drivers, it looks like a better patch would be to
> > handle mode change in both set and kill.
> 
> 
> The VLAN code tracks registered VIDs and will always call
> vlan_rx_register(NULL) when the last VID is unregistered,
> so this is not necessary.
> 

Then should others be fixed...
	tg3, bnx2, r8169, gianfar, s2io, 8139cp, acenic, ...

-- 
Stephen Hemminger <shemminger@...ux-foundation.org>
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