netdev - Re: Netlink limitations

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Message-ID: <alpine.LNX.2.01.1011092302070.28314@obet.zrqbmnf.qr>
Date:	Tue, 9 Nov 2010 23:02:30 +0100 (CET)
From:	Jan Engelhardt <jengelh@...ozas.de>
To:	Thomas Graf <tgraf@...radead.org>
cc:	Patrick McHardy <kaber@...sh.net>,
	"David S. Miller" <davem@...emloft.net>, pablo@...filter.org,
	netdev@...r.kernel.org
Subject: Re: Netlink limitations


On Tuesday 2010-11-09 22:40, Thomas Graf wrote:
>The addition won't be a revolution but it the increased header size,
>8 vs. 12 bytes isn't a big deal and gives us some additional room to
>work with in the future.
>
>struct nlattr_ext {
>	u16	oldlen;		/* 0 */
>	u16	kind;		/* TCA_* */
>	u8	type;		/* NLA_U32 */
>	u8	flags;		/* NLA_F_* */
>	u16	reserved;
>	u32	length;
>};

And while we're discussing this, surely there are no objections
to bumping NLA_ALIGN to 8 at the same time..
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