netdev - Re: [PATCH net-next v2] net: Add support for filtering neigh dump by master device

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Date:	Tue, 29 Sep 2015 21:34:08 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	dsa@...ulusnetworks.com
Cc:	netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2] net: Add support for filtering neigh dump
 by master device

From: David Ahern <dsa@...ulusnetworks.com>
Date: Tue, 29 Sep 2015 09:32:03 -0700

> Add support for filtering neighbor dumps by master device by adding
> the NDA_MASTER attribute to the dump request. A new netlink flag,
> NLM_F_DUMP_FILTERED, is added to indicate the kernel supports the
> request and output is filtered as requested.
> 
> Signed-off-by: David Ahern <dsa@...ulusnetworks.com>
> ---
> v2
> - added NLM_F_DUMP_FILTERED flag for userspace feedback that request is
>   supported
> 
> This method works for other filters as well and other dump commands.
> Works fine for all combinations of new and old kernel and new and old ip:
> 1. new ip command on old kernel, NDA_MASTER attribute is ignored
> 2. old ip command on new kernel, NDA_MASTER attribute is not present
> 3. new ip on new kernel ... goodness ensues by limiting data to
>    only what user wants

Applied, thanks.
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