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
Date: Thu, 25 Jun 2020 20:28:09 +0200 [thread overview]
Message-ID: <20200625182809.GZ26990@breakpoint.cc> (raw)
In-Reply-To: <20200625181651.1481-1-pablo@netfilter.org>
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?
next prev parent reply other threads:[~2020-06-25 18:28 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2020-06-25 18:16 [PATCH nf-next 0/5] support for anonymous non-base chains in nftables Pablo Neira Ayuso
2020-06-25 18:16 ` [PATCH nf-next 1/5] netfilter: nf_tables: add NFTA_CHAIN_ID attribute Pablo Neira Ayuso
2020-06-25 18:16 ` [PATCH nf-next 2/5] netfilter: nf_tables: add NFTA_RULE_CHAIN_ID attribute Pablo Neira Ayuso
2020-06-25 18:16 ` [PATCH nf-next 3/5] netfilter: nf_tables: add NFTA_VERDICT_CHAIN_ID attribute Pablo Neira Ayuso
2020-06-25 18:16 ` [PATCH nf-next 4/5] netfilter: nf_tables: expose enum nft_chain_flags through UAPI Pablo Neira Ayuso
2020-06-25 18:16 ` [PATCH nf-next 5/5] netfilter: nf_tables: add NFT_CHAIN_ANONYMOUS Pablo Neira Ayuso
2020-06-25 18:28 ` Florian Westphal [this message]
2020-06-25 18:35 ` [PATCH nf-next 0/5] support for anonymous non-base chains in nftables Pablo Neira Ayuso
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