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Date:	Wed, 31 Dec 2014 09:45:42 -0800
From:	Jeremiah Mahler <jmmahler@...il.com>
To:	roopa@...ulusnetworks.com
Cc:	netdev@...r.kernel.org, hemminger@...tta.com, vyasevic@...hat.com,
	sfeldma@...il.com, wkok@...ulusnetworks.com
Subject: Re: [PATCH net-next v2 1/2] bridge: new attribute and flags to
 represent vlan info lists and ranges

Roopa,

On Wed, Dec 31, 2014 at 08:48:52AM -0800, roopa@...ulusnetworks.com wrote:
> From: Roopa Prabhu <roopa@...ulusnetworks.com>
> 
> This patch adds (as suggested by scott feldman),
>         - new netlink attribute IFLA_BRIDGE_VLAN_INFO_LIST to represent
>           vlan list
>         - And bridge_vlan_info flags BRIDGE_VLAN_INFO_RANGE_START and
>           BRIDGE_VLAN_INFO_RANGE_END to indicate start and end of vlan range
> 
> Signed-off-by: Roopa Prabhu <roopa@...ulusnetworks.com>
> ---
>  include/uapi/linux/if_bridge.h |    4 ++++
>  net/bridge/br_netlink.c        |    1 +
>  2 files changed, 5 insertions(+)
> 
> diff --git a/include/uapi/linux/if_bridge.h b/include/uapi/linux/if_bridge.h
> index b03ee8f..fa468aa 100644
> --- a/include/uapi/linux/if_bridge.h
> +++ b/include/uapi/linux/if_bridge.h
> @@ -112,12 +112,14 @@ struct __fdb_entry {
>   *     [IFLA_BRIDGE_FLAGS]
>   *     [IFLA_BRIDGE_MODE]
>   *     [IFLA_BRIDGE_VLAN_INFO]
> + *     [IFLA_BRIDGE_VLAN_INFO_LIST]
>   * }
>   */
>  enum {
>  	IFLA_BRIDGE_FLAGS,
>  	IFLA_BRIDGE_MODE,
>  	IFLA_BRIDGE_VLAN_INFO,
> +	IFLA_BRIDGE_VLAN_INFO_LIST,
>  	__IFLA_BRIDGE_MAX,
>  };
>  #define IFLA_BRIDGE_MAX (__IFLA_BRIDGE_MAX - 1)
> @@ -125,6 +127,8 @@ enum {
>  #define BRIDGE_VLAN_INFO_MASTER	(1<<0)	/* Operate on Bridge device as well */
>  #define BRIDGE_VLAN_INFO_PVID	(1<<1)	/* VLAN is PVID, ingress untagged */
>  #define BRIDGE_VLAN_INFO_UNTAGGED	(1<<2)	/* VLAN egresses untagged */
> +#define BRIDGE_VLAN_INFO_RANGE_START	(1<<3) /* VLAN is start of vlan range */
> +#define BRIDGE_VLAN_INFO_RANGE_END	(1<<4) /* VLAN is end of vlan range */
>  
You add these here but you don't use them until the next patch.
If they were wrong a bisect would point to the next patch.

I would add them in the next patch where you start to use them.

>  struct bridge_vlan_info {
>  	__u16 flags;
> diff --git a/net/bridge/br_netlink.c b/net/bridge/br_netlink.c
> index 9f5eb55..492ef6a 100644
> --- a/net/bridge/br_netlink.c
> +++ b/net/bridge/br_netlink.c
> @@ -223,6 +223,7 @@ static const struct nla_policy ifla_br_policy[IFLA_MAX+1] = {
>  	[IFLA_BRIDGE_MODE]	= { .type = NLA_U16 },
>  	[IFLA_BRIDGE_VLAN_INFO]	= { .type = NLA_BINARY,
>  				    .len = sizeof(struct bridge_vlan_info), },
> +	[IFLA_BRIDGE_VLAN_INFO_LIST] = { .type = NLA_NESTED, },
>  };
>  
>  static int br_afspec(struct net_bridge *br,
> -- 
> 1.7.10.4
> 
> --
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-- 
- Jeremiah Mahler
--
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