From: Florian Westphal <fw@strlen.de>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: Florian Westphal <fw@strlen.de>, netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nft 1/3] meta: add random expression key
Date: Tue, 19 Jul 2016 00:09:10 +0200 [thread overview]
Message-ID: <20160718220910.GA29897@breakpoint.cc> (raw)
In-Reply-To: <20160718193421.GA4275@salvia>
Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> On Tue, Jul 05, 2016 at 09:35:33AM +0200, Florian Westphal wrote:
> > meta random fills a 32bit register with a pseudo-random number.
> >
> > For instance one can now use
> >
> > meta random <= 2147483647
> >
> > ... to match every 2nd packet, on average.
> >
> > A followup patch will add a short-hand version ('probability 0.5') so
> > that users do not have to deal with details.
> >
> > Signed-off-by: Florian Westphal <fw@strlen.de>
>
> Please, apply this patch.
>
> Acked-by: Pablo Neira Ayuso <pablo@netfilter.org>
>
> We can later on revisit the probability scaling, so keep 2/3 and 3/3
> back by now.
Done, I pushed a slightly amended version (no additional #include, only
needed in followup changes, I also edited the changelog to not mention
probability anymore.
next prev parent reply other threads:[~2016-07-18 22:09 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2016-07-05 7:35 [PATCH nft 1/3] meta: add random and probability match Florian Westphal
2016-07-05 7:35 ` [PATCH nft 1/3] meta: add random expression key Florian Westphal
2016-07-18 19:34 ` Pablo Neira Ayuso
2016-07-18 22:09 ` Florian Westphal [this message]
2016-07-05 7:35 ` [PATCH nft 2/3] meta: add short-hand mnemonic for probalistic matching Florian Westphal
2016-07-14 10:41 ` Pablo Neira Ayuso
2016-07-14 10:52 ` Florian Westphal
2016-07-14 11:32 ` Pablo Neira Ayuso
2016-07-14 12:08 ` Florian Westphal
2016-07-14 12:17 ` Pablo Neira Ayuso
2016-07-05 7:35 ` [PATCH nft 3/3] netlink_delinearize, meta: show meta prandom <= value as probability mnemonic Florian Westphal
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