netdev - Re: [RFC PATCH net-next v3 1/4] net core: Add IFF_PROTO

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Message-ID: <CAE4R7bBv350WnC4uEp7YZy7Jpq0zaTouWysgbSHXyktwTA9voA@mail.gmail.com>
Date:	Mon, 27 Apr 2015 23:05:04 -0700
From:	Scott Feldman <sfeldma@...il.com>
To:	anuradhak@...ulusnetworks.com
Cc:	"David S. Miller" <davem@...emloft.net>,
	Netdev <netdev@...r.kernel.org>,
	Roopa Prabhu <roopa@...ulusnetworks.com>,
	Andy Gospodarek <gospo@...ulusnetworks.com>,
	Wilson Kok <wkok@...ulusnetworks.com>
Subject: Re: [RFC PATCH net-next v3 1/4] net core: Add IFF_PROTO_DOWN support.

On Mon, Apr 27, 2015 at 10:38 AM,  <anuradhak@...ulusnetworks.com> wrote:
> From: Anuradha Karuppiah <anuradhak@...ulusnetworks.com>
>
> This patch introduces an IFF_PROTO_DOWN flag that can be used by
> user space applications to notify drivers that errors have been
> detected on the device.
>
> Signed-off-by: Anuradha Karuppiah <anuradhak@...ulusnetworks.com>
> Signed-off-by: Andy Gospodarek <gospo@...ulusnetworks.com>
> Signed-off-by: Roopa Prabhu <roopa@...ulusnetworks.com>
> Signed-off-by: Wilson Kok <wkok@...ulusnetworks.com>
> ---
>  include/uapi/linux/if.h |    4 ++++
>  net/8021q/vlan_dev.c    |    3 ++-
>  net/core/dev.c          |    2 +-
>  3 files changed, 7 insertions(+), 2 deletions(-)
>
> diff --git a/include/uapi/linux/if.h b/include/uapi/linux/if.h
> index 9cf2394..e263bd2 100644
> --- a/include/uapi/linux/if.h
> +++ b/include/uapi/linux/if.h
> @@ -66,6 +66,8 @@
>   * @IFF_LOWER_UP: driver signals L1 up. Volatile.
>   * @IFF_DORMANT: driver signals dormant. Volatile.
>   * @IFF_ECHO: echo sent packets. Volatile.
> + * @IFF_PROTO_DOWN: protocol is down on the interface. Can be toggled
> + *     through sysfs.

This comment is stale, right?  I didn't see any sysfs support in the patchset.
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