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Date:   Thu, 25 Jun 2020 20:28:09 +0200
From:   Florian Westphal <fw@strlen.de>
To:     Pablo Neira Ayuso <pablo@netfilter.org>
Cc:     netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf-next 0/5] support for anonymous non-base chains in
 nftables
Message-ID: <20200625182809.GZ26990@breakpoint.cc>
References: <20200625181651.1481-1-pablo@netfilter.org>
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Pablo Neira Ayuso <pablo@netfilter.org> wrote:
> This patchset extends the nftables netlink API to support for anonymous
> non-base chains. Anonymous non-base chains have two properties:
> 
> 1) The kernel dynamically allocates the (internal) chain name.
> 2) If the rule that refers to the anonymous chain is removed, then the
>    anonymous chain and its content is also released.
> 
> This new infrastructure allows for the following syntax from userspace:
> 
>  table inet x {
>         chain y {
>                 type filter hook input priority 0;
>                 tcp dport 22 chain {
>                         ip saddr { 127.0.0.0/8, 172.23.0.0/16, 192.168.13.0/24 } accept
>                         ip6 saddr ::1/128 accept;
>                 }
>         }
>  }

What about goto semantics?

Would it make sense to change this to

tcp dport 22 jump chain {
	 ...

so this could be changed to support 'tcp dport 22 goto chain {' as well?