netdev - Re: [PATCH net-next 1/4] eth: mlx4: create a page pool for Rx

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Message-ID: <20250211112340.619ae409@kernel.org>
Date: Tue, 11 Feb 2025 11:23:40 -0800
From: Jakub Kicinski <kuba@...nel.org>
To: Tariq Toukan <ttoukan.linux@...il.com>
Cc: davem@...emloft.net, netdev@...r.kernel.org, edumazet@...gle.com,
 pabeni@...hat.com, andrew+netdev@...n.ch, horms@...nel.org,
 tariqt@...dia.com, hawk@...nel.org
Subject: Re: [PATCH net-next 1/4] eth: mlx4: create a page pool for Rx

On Tue, 11 Feb 2025 21:21:13 +0200 Tariq Toukan wrote:
> >> The ring size is in *pages*. Frag is also somewhat irrelevant, given
> >> that we're talking about full pages here, not 2k frags. So I think
> >> I'll go with:
> >>
> >>     pp.pool_size =
> >>         size * DIV_ROUND_UP(MLX4_EN_EFF_MTU(dev->mtu), PAGE_SIZE);  
> >   
> 
> Can use priv->rx_skb_size as well, it hosts the eff mtu value.

Missed this before hitting send, I'll repost tomorrow, I guess.