linux-kernel - Re: [PATCH v2] xen-netback: allow changing the MAC address of the interface

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Message-ID: <20130122202129.GB11982@phenom.dumpdata.com>
Date:	Tue, 22 Jan 2013 15:21:29 -0500
From:	Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>
To:	Matt Wilson <msw@...zon.com>
Cc:	linux-kernel@...r.kernel.org,
	Ian Campbell <ian.campbell@...rix.com>, netdev@...r.kernel.org,
	xen-devel@...ts.xen.org
Subject: Re: [PATCH v2] xen-netback: allow changing the MAC address of the
 interface

On Tue, Jan 22, 2013 at 06:08:25PM +0000, Matt Wilson wrote:
> Sometimes it is useful to be able to change the MAC address of the
> interface for netback devices. For example, when using ebtables it may
> be useful to be able to distinguish traffic from different interfaces
> without depending on the interface name.
> 
> Reported-by: Nikita Borzykh <sample.n@...il.com>
> Reported-by: Paul Harvey <stockingpaul@...mail.com>
> Cc: netdev@...r.kernel.org
> Cc: xen-devel@...ts.xen.org
> Cc: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

Reviewed-by: Konrad Rzeszutek Wilk <konrad.wilk@...cle.com>

> Acked-by: Ian Campbell <ian.campbell@...rix.com>
> Signed-off-by: Matt Wilson <msw@...zon.com>
> 
> ---
> Changes since v1:
>  * No code changes, only updated commit message
> ---
>  drivers/net/xen-netback/interface.c |    2 ++
>  1 files changed, 2 insertions(+), 0 deletions(-)
> 
> diff --git a/drivers/net/xen-netback/interface.c b/drivers/net/xen-netback/interface.c
> index b7d41f8..f733cae 100644
> --- a/drivers/net/xen-netback/interface.c
> +++ b/drivers/net/xen-netback/interface.c
> @@ -238,6 +238,8 @@ static const struct net_device_ops xenvif_netdev_ops = {
>  	.ndo_stop	= xenvif_close,
>  	.ndo_change_mtu	= xenvif_change_mtu,
>  	.ndo_fix_features = xenvif_fix_features,
> +	.ndo_set_mac_address = eth_mac_addr,
> +	.ndo_validate_addr   = eth_validate_addr,
>  };
>  
>  struct xenvif *xenvif_alloc(struct device *parent, domid_t domid,
> -- 
> 1.7.4.5
> 
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