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From: Patrick McHardy <kaber@trash.net>
To: robert <rbscott@cadvium.net>
Cc: netfilter-devel@lists.netfilter.org
Subject: Re: nfqueue/ipq difference
Date: Fri, 20 Oct 2006 12:02:50 +0200	[thread overview]
Message-ID: <45389ECA.4010504@trash.net> (raw)
In-Reply-To: <1318F807-9466-4960-9ABE-1350E9B81E6C@cadvium.net>

robert wrote:
> As I was migrating to NFQUEUE, I noticed a small difference.  If you 
> are polling on an IPQ filedescriptor, then the error bit is set if  the
> queue runs out of buffer space.  In NFQUEUE, the error bit is  never
> set, but after doing a read, there is an error.  This error bit  is
> relatively important and in most applications would want to handle  a
> read  since both IPQ and NFQUEUE will not queue any new packets  until
> the entire buffer is flushed.  (at least, this is the behavior  that I
> am seeing).
> 
> If anyone is interested, i could post two small test programs that 
> illustrate this behavior. (not sure if this would be considered a bug).

Please, I can not see any difference between ipq and nfnetlink_queue.

      reply	other threads:[~2006-10-20 10:02 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2006-10-17 22:10 nfqueue/ipq difference robert
2006-10-20 10:02 ` Patrick McHardy [this message]

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