netdev - Re: [PATCH net-next v11 10/12] virtio_net: Add support for IPv6 ethtool steering

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Message-ID: <b49d6c7b-ba39-4f9e-9e75-b3f186fe8e0c@nvidia.com>
Date: Wed, 19 Nov 2025 01:35:37 -0600
From: Dan Jurgens <danielj@...dia.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: netdev@...r.kernel.org, jasowang@...hat.com, pabeni@...hat.com,
 virtualization@...ts.linux.dev, parav@...dia.com, shshitrit@...dia.com,
 yohadt@...dia.com, xuanzhuo@...ux.alibaba.com, eperezma@...hat.com,
 jgg@...pe.ca, kevin.tian@...el.com, kuba@...nel.org, andrew+netdev@...n.ch,
 edumazet@...gle.com
Subject: Re: [PATCH net-next v11 10/12] virtio_net: Add support for IPv6
 ethtool steering

On 11/18/25 3:45 PM, Michael S. Tsirkin wrote:
> On Tue, Nov 18, 2025 at 08:39:00AM -0600, Daniel Jurgens wrote:
>> Implement support for IPV6_USER_FLOW type rules.
>>
>> Example:
>> $ ethtool -U ens9 flow-type ip6 src-ip fe80::2 dst-ip fe80::4 action 3
>> Added rule with ID 0
>>
>> The example rule will forward packets with the specified source and
>> destination IP addresses to RX ring 3.
>>
>> Signed-off-by: Daniel Jurgens <danielj@...dia.com>
>> Reviewed-by: Parav Pandit <parav@...dia.com>
>> Reviewed-by: Shahar Shitrit <shshitrit@...dia.com>
>> Reviewed-by: Xuan Zhuo <xuanzhuo@...ux.alibaba.com>
> 
> 
> I find it weird that this does not modify setup_eth_hdr_key_mask
> 
> So it still hardcodes ETH_P_IP for all IP flows?
> For IPv6, should it not use ETH_P_IPV6 instead?
> 
> how does it work?
> 

Your right, it's works because our controller use that field. Will fix it.