linux-kernel - Re: [PATCH 2/2] netlink: Diag core and basic socket info dumping

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Message-ID: <514AF312.9010309@parallels.com>
Date:	Thu, 21 Mar 2013 15:46:26 +0400
From:	Pavel Emelyanov <xemul@...allels.com>
To:	Andrey Vagin <avagin@...nvz.org>,
	"David S. Miller" <davem@...emloft.net>
CC:	linux-kernel@...r.kernel.org, netdev@...r.kernel.org,
	Eric Dumazet <edumazet@...gle.com>,
	Pablo Neira Ayuso <pablo@...filter.org>,
	"Eric W. Biederman" <ebiederm@...ssion.com>,
	Gao feng <gaofeng@...fujitsu.com>
Subject: Re: [PATCH 2/2] netlink: Diag core and basic socket info dumping

On 03/21/2013 01:21 PM, Andrey Vagin wrote:
> The netlink_diag can be built as a module, just like it's done in
> unix sockets.
> 
> The core dumping message carries the basic info about netlink sockets:
> family, type and protocol, portis, dst_group, dst_portid, state.
> 
> Groups can be received as an optional parameter NETLINK_DIAG_GROUPS.
> 
> Netlink sockets cab be filtered by protocols.
> 
> The socket inode number and cookie is reserved for future per-socket info
> retrieving. The per-protocol filtering is also reserved for future by
> requiring the sdiag_protocol to be zero.
> 
> The file /proc/net/netlink doesn't provide enough information for
> dumping netlink sockets. It doesn't provide dst_group, dst_portid,
> groups above 32.
> 
> Cc: "David S. Miller" <davem@...emloft.net>
> Cc: Eric Dumazet <edumazet@...gle.com>
> Cc: Pavel Emelyanov <xemul@...allels.com>
> Cc: Pablo Neira Ayuso <pablo@...filter.org>
> Cc: "Eric W. Biederman" <ebiederm@...ssion.com>
> Cc: Gao feng <gaofeng@...fujitsu.com>
> Signed-off-by: Andrey Vagin <avagin@...nvz.org>

Acked-by: Pavel Emelyanov <xemul@...allels.com>
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