netdev - Re: [PATCH net-next-2.6] ip: Report qdisc packet drops

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-Id: <20090902.180911.222525657.davem@davemloft.net>
Date:	Wed, 02 Sep 2009 18:09:11 -0700 (PDT)
From:	David Miller <davem@...emloft.net>
To:	cl@...ux-foundation.org
Cc:	eric.dumazet@...il.com, sri@...ibm.com, dlstevens@...ibm.com,
	netdev@...r.kernel.org, niv@...ux.vnet.ibm.com,
	mtk.manpages@...il.com
Subject: Re: [PATCH net-next-2.6] ip: Report qdisc packet drops

From: Christoph Lameter <cl@...ux-foundation.org>
Date: Wed, 2 Sep 2009 13:22:25 -0500 (CDT)

> There may be a minor issue here in that IP_RECVERR sometimes sends error
> packets that have to be intercepted using special code. Or can those be
> simply ignored? If so then I will ask UDP app vendors to use IP_RECVERR.

If you don't set MSG_ERRQUEUE, no special error reports will be
given to the application.

And this only matters for recvmsg() handling.

On send, the only behavior difference is this error code reporting
(and before Eric's patch, SNMP statistics handling).
--
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