netdev - Re: [PATCH net-next v3 04/11] virtio_net: Query and set flow filter caps

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Message-ID: <3097d7ee-b2e7-4232-9a80-fd7f33bb9fe2@nvidia.com>
Date: Thu, 25 Sep 2025 21:12:48 -0500
From: Dan Jurgens <danielj@...dia.com>
To: "Michael S. Tsirkin" <mst@...hat.com>
Cc: netdev@...r.kernel.org, jasowang@...hat.com, alex.williamson@...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, shameerali.kolothum.thodi@...wei.com, jgg@...pe.ca,
 kevin.tian@...el.com, kuba@...nel.org, andrew+netdev@...n.ch,
 edumazet@...gle.com
Subject: Re: [PATCH net-next v3 04/11] virtio_net: Query and set flow filter
 caps

On 9/25/25 4:01 PM, Michael S. Tsirkin wrote:
> On Tue, Sep 23, 2025 at 09:19:13AM -0500, Daniel Jurgens wrote:
>> When probing a virtnet device, attempt to read the flow filter
>> capabilities. In order to use the feature the caps must also
>> be set. For now setting what was read is sufficient.
>>
>> Signed-off-by: Daniel Jurgens <danielj@...dia.com>
>> Reviewed-by: Parav Pandit <parav@...dia.com>
>> Reviewed-by: Shahar Shitrit <shshitrit@...dia.com>

>> +	ff_mask_size = sizeof(struct virtio_net_ff_cap_mask_data);
>> +	sel = &ff->ff_mask->selectors[0];
>> +
>> +	for (int i = 0; i < ff->ff_mask->count; i++) {
> 
> 
> I do not think kernel style allows this int inside loop.
> I think you need to declare it at the beginning of the block.
> 

checkpatch didn't mind and there are many other instances where it's done.