From: jamal <hadi@cyberus.ca>
To: Reinaldo de Carvalho <reinaldoc@gmail.com>
Cc: Andrew Morton <akpm@linux-foundation.org>,
netdev@vger.kernel.org, bugzilla-daemon@bugzilla.kernel.org,
bugme-daemon@bugzilla.kernel.org
Subject: Re: [Bugme-new] [Bug 15379] New: u32 classifier port range calculation error
Date: Thu, 25 Feb 2010 08:24:53 -0500 [thread overview]
Message-ID: <1267104293.3973.947.camel@bigi> (raw)
In-Reply-To: <4a5881461002250325o45965b2fu2855b712b73e00b9@mail.gmail.com>
On Thu, 2010-02-25 at 08:25 -0300, Reinaldo de Carvalho wrote:
> Then u32 mask is useless. Or exist a correct mask to match with especific range?
Ranges and masks typically dont mix well generally - this has nothing to
do with u32; try doing subnet ranges for example. It is hard to describe
port range 10->20 using masks..
If i read your email correctly: you are trying to get the first 32 ports
after 6880. It would seem to me the mask should be 0xFFE0, no? i.e your
bc calculation should be:
echo "obase=16;(2^16)-32" | bc
cheers,
jamal
next prev parent reply other threads:[~2010-02-25 13:24 UTC|newest]
Thread overview: 6+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <bug-15379-10286@http.bugzilla.kernel.org/>
2010-02-24 22:52 ` [Bugme-new] [Bug 15379] New: u32 classifier port range calculation error Andrew Morton
2010-02-25 3:24 ` jamal
2010-02-25 11:25 ` Reinaldo de Carvalho
2010-02-25 13:24 ` jamal [this message]
2010-02-25 19:11 ` Reinaldo de Carvalho
2010-02-25 21:47 ` jamal
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