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From: Phil Sutter <phil@nwl.cc>
To: Stefano Brivio <sbrivio@redhat.com>
Cc: "Pablo Neira Ayuso" <pablo@netfilter.org>,
	netfilter-devel@vger.kernel.org,
	"Florian Westphal" <fw@strlen.de>,
	"Kadlecsik József" <kadlec@blackhole.kfki.hu>,
	"Eric Garver" <eric@garver.life>
Subject: Re: [PATCH libnftnl v2] set: Add support for NFTA_SET_SUBKEY attributes
Date: Thu, 21 Nov 2019 18:53:27 +0100	[thread overview]
Message-ID: <20191121175327.GE3074@orbyte.nwl.cc> (raw)
In-Reply-To: <de1e8744507f6590886a5cb7eef98f23775ee2fa.1574354321.git.sbrivio@redhat.com>

On Thu, Nov 21, 2019 at 06:10:21PM +0100, Stefano Brivio wrote:
> If the NFTNL_SET_SUBKEY flag is passed, send one NFTA_SET_SUBKEY
> attribute for each subkey_len attribute in the set description.
> 
> Note that our internal representation, and nftables storage, for
> these attributes, is 8-bit wide, but the kernel uses 32 bits. As
> field length is expressed in bits, this is probably a good
> compromise to keep the UAPI future-proof and memory footprint to
> a minimum, for the moment being.
> 
> This is the libnftnl counterpart for nftables patch:
>   src: Add support for and export NFT_SET_SUBKEY attributes
> 
> and it has a UAPI dependency on kernel patch:
>   [PATCH nf-next 1/8] nf_tables: Support for subkeys, set with multiple ranged fields
> 
> v2:
>  - fixed grammar in commit message
>  - removed copy of array bytes in nftnl_set_nlmsg_build_subkey_payload(),
>    we're simply passing values to htonl() (Phil Sutter)
> 
> Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

Acked-by: Phil Sutter <phil@nwl.cc>

      reply	other threads:[~2019-11-21 17:53 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-11-21 17:10 [PATCH libnftnl v2] set: Add support for NFTA_SET_SUBKEY attributes Stefano Brivio
2019-11-21 17:53 ` Phil Sutter [this message]

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