netdev - Re: [PATCH net-next 1/2] net: get stats64 if device if driver is configured

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Message-ID: <20240228143400.GG292522@kernel.org>
Date: Wed, 28 Feb 2024 14:34:00 +0000
From: Simon Horman <horms@...nel.org>
To: Breno Leitao <leitao@...ian.org>
Cc: kuba@...nel.org, davem@...emloft.net, pabeni@...hat.com,
	edumazet@...gle.com, netdev@...r.kernel.org,
	linux-kernel@...r.kernel.org, dsahern@...nel.org,
	Jiri Pirko <jiri@...nulli.us>,
	Daniel Borkmann <daniel@...earbox.net>,
	Lorenzo Bianconi <lorenzo@...nel.org>,
	Coco Li <lixiaoyan@...gle.com>
Subject: Re: [PATCH net-next 1/2] net: get stats64 if device if driver is
 configured

On Wed, Feb 28, 2024 at 03:31:21AM -0800, Breno Leitao wrote:
> If the network driver is relying in the net core to do stats allocation,
> then we want to dev_get_tstats64() instead of netdev_stats_to_stats64(),
> since there are per-cpu stats that needs to be taken in consideration.
> 
> This will also simplify the drivers in regard to statistics. Once the
> driver sets NETDEV_PCPU_STAT_TSTATS, it doesn't not need to allocate the
> stacks, neither it needs to set `.ndo_get_stats64 = dev_get_tstats64`
> for the generic stats collection function anymore.
> 
> Signed-off-by: Breno Leitao <leitao@...ian.org>

Reviewed-by: Simon Horman <horms@...nel.org>