From: Andi Kleen <andi@firstfloor.org>
To: jamal <hadi@cyberus.ca>
Cc: netdev@vger.kernel.org, Andi Kleen <andi@firstfloor.org>,
David Miller <davem@davemloft.net>
Subject: Re: [RFC] IP_RECVERRC
Date: Fri, 10 Aug 2007 16:02:14 +0200 [thread overview]
Message-ID: <20070810140214.GA10331@one.firstfloor.org> (raw)
In-Reply-To: <1186752912.5188.12.camel@localhost>
On Fri, Aug 10, 2007 at 09:35:12AM -0400, jamal wrote:
>
> It seems there are a lot of dumbass apps (latest i have found is iperf
> when analyzing batching results) out there whose performance is affected
> if they dont set IP_RECVERR.
Affected in what way?
> If you set that option though you end up getting all these skbs back
IP_RECVERR just delivers ICMPs. Do you mean those with "all these skbs" ?
> to the app which i see as unnecessary work if i am uninterested. I would
> like to not do a recvmsg to find out what those messages are - rather
> just receiving any errors back.
> My proposal is to add another option which is mutually exclusive with
> IP_RECVERR that allows for errors only.
What ICMPs do you not want?
-Andi
next prev parent reply other threads:[~2007-08-10 14:02 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2007-08-10 13:35 [RFC] IP_RECVERRC jamal
2007-08-10 14:02 ` Andi Kleen [this message]
2007-08-10 14:30 ` jamal
2007-08-10 16:26 ` Andi Kleen
2007-08-11 19:27 ` jamal
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