From: Laura Garcia <nevola@gmail.com>
To: "Serguei Bezverkhi (sbezverk)" <sbezverk@cisco.com>
Cc: "netfilter-devel@vger.kernel.org" <netfilter-devel@vger.kernel.org>
Subject: Re: nftables and set with interval
Date: Thu, 8 Aug 2019 15:18:36 +0200 [thread overview]
Message-ID: <CAF90-WhmQ3s2dhVSqHX0woC6eVXBNja3Qnm6Ma0HhHLozU3zSg@mail.gmail.com> (raw)
In-Reply-To: <554E4490-524C-48D3-834A-F98F3D15D807@cisco.com>
On Thu, Aug 8, 2019 at 1:56 PM Serguei Bezverkhi (sbezverk)
<sbezverk@cisco.com> wrote:
>
> Hello,
>
> I am developing golang nftables libraryI am debugging nftables set with elements defining intervals. I compare what gets generated by nfl command and strace of my code.
>
> Based on the output of this command:
>
> sudo nft --debug all add rule ipv4table ipv4chain-1 ip daddr { 192.16.0.0/16, 10.16.0.0/16 } return
>
> It seems nft sets up NFTNL_SET_KEY_TYPE (0x4) as 0x2 and I cannot find anywhere what it means.
> {{nla_len=8, nla_type=0x4}, "\x00\x00\x00\x02"},
>
> When I decode strace generated for my code, it always gets set to x01
> {{nla_len=8, nla_type=0x4}, "\x00\x00\x00\x01"},
>
Hi, are you interacting directly with netlink?
Did you consider using the higher level library libnftables instead?
Cheers.
next prev parent reply other threads:[~2019-08-08 13:18 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
2019-08-08 11:47 nftables and set with interval Serguei Bezverkhi (sbezverk)
2019-08-08 13:18 ` Laura Garcia [this message]
2019-08-08 13:32 ` Serguei Bezverkhi (sbezverk)
2019-08-08 16:08 ` Serguei Bezverkhi (sbezverk)
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