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From: wenxu <wenxu@ucloud.cn>
To: Pablo Neira Ayuso <pablo@netfilter.org>
Cc: netfilter-devel@vger.kernel.org
Subject: Re: [PATCH nf] netfilter: nft_payload: fix vlan_tpid get from h_vlan_proto
Date: Sat, 3 Apr 2021 21:33:36 +0800	[thread overview]
Message-ID: <6ce0f16c-69ae-265a-bea8-bc2c4705dd5b@ucloud.cn> (raw)
In-Reply-To: <20210402195403.GA22049@salvia>


在 2021/4/3 3:54, Pablo Neira Ayuso 写道:
> On Fri, Apr 02, 2021 at 03:13:52PM +0800, wenxu@ucloud.cn wrote:
>> From: wenxu <wenxu@ucloud.cn>
>>
>> vlan_tpid of flow_dissector_key_vlan should be set as h_vlan_proto
>> but not h_vlan_encapsulated_proto.
> Probably this patch instead?

I don't think so.  The vlan_tpid in flow_dissector_key_vlan should be the

vlan proto (such as ETH_P_8021Q or ETH_P_8021AD) but not h_vlan_encapsulated_proto (for next header proto).

But this is a problem that the vlan_h_proto is the same as offsetof(struct ethhdr, h_proto)


  reply	other threads:[~2021-04-03 13:33 UTC|newest]

Thread overview: 6+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2021-04-02  7:13 [PATCH nf] netfilter: nft_payload: fix vlan_tpid get from h_vlan_proto wenxu
2021-04-02 18:51 ` kernel test robot
2021-04-02 19:54 ` Pablo Neira Ayuso
2021-04-03 13:33   ` wenxu [this message]
2021-04-03 14:59     ` wenxu
2021-04-08 22:48       ` Pablo Neira Ayuso

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