netdev - Re: [net-next v7 4/4] mlx5: add support for page_pool_get

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Message-ID: <453c24e6-f9b1-0b7d-3144-7b3db1d94944@redhat.com>
Date:   Mon, 28 Feb 2022 08:28:43 +0100
From:   Jesper Dangaard Brouer <jbrouer@...hat.com>
To:     Joe Damato <jdamato@...tly.com>, netdev@...r.kernel.org,
        kuba@...nel.org, ilias.apalodimas@...aro.org, davem@...emloft.net,
        hawk@...nel.org, saeed@...nel.org, ttoukan.linux@...il.com
Cc:     brouer@...hat.com
Subject: Re: [net-next v7 4/4] mlx5: add support for page_pool_get_stats



On 25/02/2022 18.41, Joe Damato wrote:
> +#ifdef CONFIG_PAGE_POOL_STATS
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_fast) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_slow) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_slow_high_order) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_empty) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_refill) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_waive) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_cached) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_cache_full) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_ring) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_ring_full) },
> +	{ MLX5E_DECLARE_RX_STAT(struct mlx5e_rq_stats, page_pool_rec_released_ref) },
> +#endif

The naming: "page_pool_rec_xxx".
What does the "rec" stand for?

Users of ethtool -S stats... will they know "rec" is "recycle" ?

p.s. we need acks from driver maintainer(s).

--Jesper