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Date: Mon, 25 Jan 2010 14:51:54 +0100 From: Patrick McHardy <kaber@...sh.net> To: David Miller <davem@...emloft.net> CC: cratiu@...acom.com, netdev@...r.kernel.org, ixlk-cr@...scape.ixiacom.com, pchakrabarti@...acom.com Subject: Re: [RFC PATCH] extend RTM_GETNEIGH to allow getting more precise information David Miller wrote: > From: Cosmin Ratiu <cratiu@...acom.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. -- To unsubscribe from this list: send the line "unsubscribe netdev" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html
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