netdev - Re: [SKY2]: Fix VLAN unregistration

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Date:	Mon, 28 May 2007 14:42:36 -0700
From:	Ben Greear <greearb@...delatech.com>
To:	Patrick McHardy <kaber@...sh.net>
CC:	Stephen Hemminger <shemminger@...l.org>,
	Linux Netdev List <netdev@...r.kernel.org>
Subject: Re: [SKY2]: Fix VLAN unregistration

Patrick McHardy 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?
>   
I believe DaveM did most of the vlan hw-accel work.  It would be easy 
enough to check
for a null function before calling the vlan_rx_kill_vid function and 
relax the checks
based on the flags, but there may be valid reasons to keep this as is.  
Perhaps
DaveM will comment...

Thanks,
Ben

-- 
Ben Greear <greearb@...delatech.com> 
Candela Technologies Inc  http://www.candelatech.com


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