netdev - Re: [PATCH bpf v2 2/8] net: Move {l,t,d}stats allocation to core and convert veth & vrf

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Message-ID: <2afc248b-4218-2812-77e8-926065fa647f@iogearbox.net>
Date: Mon, 13 Nov 2023 14:04:05 +0100
From: Daniel Borkmann <daniel@...earbox.net>
To: Simon Horman <horms@...nel.org>
Cc: martin.lau@...nel.org, kuba@...nel.org, razor@...ckwall.org,
 sdf@...gle.com, netdev@...r.kernel.org, bpf@...r.kernel.org,
 David Ahern <dsahern@...nel.org>
Subject: Re: [PATCH bpf v2 2/8] net: Move {l,t,d}stats allocation to core and
 convert veth & vrf

On 11/13/23 10:57 AM, Simon Horman wrote:
> On Sun, Nov 12, 2023 at 09:30:03PM +0100, Daniel Borkmann wrote:
>> Move {l,t,d}stats allocation to the core and let netdevs pick the stats
>> type they need. That way the driver doesn't have to bother with error
>> handling (allocation failure checking, making sure free happens in the
>> right spot, etc) - all happening in the core.
>>
>> Co-developed-by: Jakub Kicinski <kuba@...nel.org>
>> Signed-off-by: Jakub Kicinski <kuba@...nel.org>
>> Signed-off-by: Daniel Borkmann <daniel@...earbox.net>
>> Cc: David Ahern <dsahern@...nel.org>
> 
> ...
> 
>> @@ -2354,6 +2361,7 @@ struct net_device {
>>   	void				*ml_priv;
>>   	enum netdev_ml_priv_type	ml_priv_type;
>>   
>> +	enum netdev_stat_type		pcpu_stat_type:8;
> 
> Hi Daniel,
> 
> nit: Please consider adding documentation for this new field to
>       the kernel doc for net_device.
> 

Will add, thanks Simon!