netdev - Re: [net-next-2.6 PATCH 8/8 RFC v2] macvtap: Add support to get MAC/VLAN filter rtnl link operations

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Date:	Mon, 24 Oct 2011 07:56:34 +0200
From:	"Michael S. Tsirkin" <mst@...hat.com>
To:	Roopa Prabhu <roprabhu@...co.com>
Cc:	netdev@...r.kernel.org, sri@...ibm.com, dragos.tatulea@...il.com,
	arnd@...db.de, kvm@...r.kernel.org, davem@...emloft.net,
	mchan@...adcom.com, dwang2@...co.com, shemminger@...tta.com,
	eric.dumazet@...il.com, kaber@...sh.net, benve@...co.com
Subject: Re: [net-next-2.6 PATCH 8/8 RFC v2] macvtap: Add support to get
 MAC/VLAN filter rtnl link operations

On Tue, Oct 18, 2011 at 11:26:36PM -0700, Roopa Prabhu wrote:
> From: Roopa Prabhu <roprabhu@...co.com>
> 
> This patch adds support to get MAC and VLAN filter rtnl_link_ops
> on a macvtap interface. It adds support for get_rx_addr_filter_size,
> get_rx_vlan_filter_size, fill_rx_addr_filter and fill_rx_vlan_filter
> rtnl link operations. Calls equivalent macvlan operations.
> 
> Signed-off-by: Roopa Prabhu <roprabhu@...co.com>
> Signed-off-by: Christian Benvenuti <benve@...co.com>
> Signed-off-by: David Wang <dwang2@...co.com>
> ---
>  drivers/net/macvtap.c |   27 +++++++++++++++++++++++++++
>  1 files changed, 27 insertions(+), 0 deletions(-)
> 
> 
> diff --git a/drivers/net/macvtap.c b/drivers/net/macvtap.c
> index 8a2cb59..9b40de7 100644
> --- a/drivers/net/macvtap.c
> +++ b/drivers/net/macvtap.c
> @@ -285,6 +285,29 @@ static int macvtap_set_rx_vlan_filter(struct net_device *dev,
>  	return macvlan_set_rx_vlan_filter(dev, tb);
>  }
>  
> +static int macvtap_fill_rx_addr_filter(struct sk_buff *skb,
> +	const struct net_device *dev)
> +{
> +	return macvlan_fill_rx_addr_filter(skb, dev);
> +}
> +
> +static int macvtap_fill_rx_vlan_filter(struct sk_buff *skb,
> +	const struct net_device *dev)
> +{
> +	return macvlan_fill_rx_vlan_filter(skb, dev);
> +}
> +
> +static size_t macvtap_get_rx_addr_filter_size(const struct net_device *dev)
> +{
> +	return macvlan_get_rx_addr_filter_size(dev);
> +}
> +
> +static size_t macvtap_get_rx_vlan_filter_size(const struct net_device *dev)
> +{
> +	return macvlan_get_rx_vlan_filter_size(dev);
> +}

So why do we need the above wrappers? Can't use macvlanXXX directly?

> +
> +

don't add double emoty lines pls.

>  static int macvtap_newlink(struct net *src_net,
>  			   struct net_device *dev,
>  			   struct nlattr *tb[],
> @@ -335,6 +358,10 @@ static struct rtnl_link_ops macvtap_link_ops __read_mostly = {
>  	.dellink			= macvtap_dellink,
>  	.set_rx_addr_filter		= macvtap_set_rx_addr_filter,
>  	.set_rx_vlan_filter		= macvtap_set_rx_vlan_filter,
> +	.get_rx_addr_filter_size	= macvtap_get_rx_addr_filter_size,
> +	.get_rx_vlan_filter_size	= macvtap_get_rx_vlan_filter_size,
> +	.fill_rx_addr_filter		= macvtap_fill_rx_addr_filter,
> +	.fill_rx_vlan_filter		= macvtap_fill_rx_vlan_filter,
>  };
>  
>  
--
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