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Date:   Thu, 21 Mar 2019 09:45:16 +0100
From:   Florian Westphal <fw@strlen.de>
To:     Phil Sutter <phil@nwl.cc>,
        Karuna Grewal <karunagrewal98@gmail.com>,
        Pablo Neira Ayuso <pablo@netfilter.org>,
        Florian Westphal <fw@strlen.de>,
        netfilter-devel@vger.kernel.org
Subject: Re: Implementing Deletion of Set Elements in Rulesets
Message-ID: <20190321084516.6qmr23meelir7uc3@breakpoint.cc>
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 <20190321082304.GH4851@orbyte.nwl.cc>
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Phil Sutter <phil@nwl.cc> wrote:
> Hi Karuna,
> 
> On Thu, Mar 21, 2019 at 11:57:15AM +0530, Karuna Grewal wrote:
> > I'm trying to implement  "deletion of set elements in ruleset". For
> > which I wanted to understand the way existing set operations are
> > implemented.
> 
> What are you trying to achieve? Anonymous sets are immutable by design.
> If you want to add/delete set elements, you can create a named set and
> reference that from rules. See nftables wiki[1] for examples of usage.

This is about deletion of elements from the packet path in dynamic
sets, see https://people.netfilter.org/pablo/nf-ideas-2019.txt, 1.4 .