netdev - Re: [PATCH] netlink: add NETLINK_BROADCAST

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Date:	Fri, 20 Feb 2009 01:01:29 -0800 (PST)
From:	David Miller <davem@...emloft.net>
To:	kaber@...sh.net
Cc:	pablo@...filter.org, netdev@...r.kernel.org
Subject: Re: [PATCH] netlink: add NETLINK_BROADCAST_ERROR socket option

From: Patrick McHardy <kaber@...sh.net>
Date: Wed, 18 Feb 2009 12:43:36 +0100

> Pablo Neira Ayuso wrote:
> > This patch adds NETLINK_BROADCAST_ERROR which is a netlink
> > socket option that the listener can set to make netlink_broadcast()
> > return errors in the delivery to the caller. This option is useful
> > if the caller of netlink_broadcast() do something with the result
> > of the message delivery, like in ctnetlink where it drops a network
> > packet if the event delivery failed, this is used to enable reliable
> > logging and state-synchronization. If this socket option is not set,
> > netlink_broadcast() only reports ESRCH errors and silently ignore
> > ENOBUFS errors, which is what most netlink_broadcast() callers
> > should do.
> > This socket option is based on a suggestion from Patrick McHardy.
> > Patrick McHardy can exchange this patch for a beer from me ;).
> 
> I'd accept that offer, but it needs to go through Dave :)
> Anyways, the patch looks good.
> 
> Acked-by: Patrick McHardy <kaber@...sh.net>

Applied, thanks guys.
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