From: Patrick McHardy <kaber@trash.net>
To: David Miller <davem@davemloft.net>
Cc: cratiu@ixiacom.com, netdev@vger.kernel.org,
ixlk-cr@farscape.ixiacom.com, pchakrabarti@ixiacom.com
Subject: Re: [RFC PATCH] extend RTM_GETNEIGH to allow getting more precise information
Date: Mon, 25 Jan 2010 14:51:54 +0100 [thread overview]
Message-ID: <4B5DA1FA.4030905@trash.net> (raw)
In-Reply-To: <20100123.021233.122638456.davem@davemloft.net>
David Miller wrote:
> From: Cosmin Ratiu <cratiu@ixiacom.com>
> Date: Fri, 15 Jan 2010 18:42:59 +0200
>
>> Please have a look at this patch which tries to solve a problem we
>> encountered.
>>
>> The background is that RTM_GETNEIGH netlink message is used to get a complete
>> dump of a neighbor table. Sometimes, that's too much (especially when you have
>> a lot of neighbors). This patch allows one to specify the IPv4/6 address of a
>> neighbor and the device index through which it is accessible in order to
>> obtain only that entry.
>>
>> If you have other suggestions on how to accomplish this task, please let us
>> know.
>
> Please add a netlink attribute to specify lookup keys.
>
> Adding specifiers to the end of the existing request message
> error prone and creates trouble in the future if someone gets
> the idea to add something more.
It should also use a seperate callback for looking up individual
entries instead of the NLM_F_DUMP callback.
prev parent reply other threads:[~2010-01-25 13:51 UTC|newest]
Thread overview: 3+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-01-15 16:42 [RFC PATCH] extend RTM_GETNEIGH to allow getting more precise information Cosmin Ratiu
2010-01-23 10:12 ` David Miller
2010-01-25 13:51 ` Patrick McHardy [this message]
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