netdev - Re: [PATCH net-next 3/8] cadence: macb: Add page pool support handle multi-descriptor frame rx

lists.openwall.net		lists / announce owl-users owl-dev john-users john-dev passwdqc-users yescrypt popa3d-users / oss-security kernel-hardening musl sabotage tlsify passwords / crypt-dev xvendor / Bugtraq Full-Disclosure linux-kernel linux-netdev linux-ext4 linux-hardening linux-cve-announce PHC
Open Source and information security mailing list archives

Hash Suite: Windows password security audit tool. GUI, reports in PDF.

[<prev] [next>] [<thread-prev] [thread-next>] [day] [month] [year] [list]

Message-ID: <87ikcxpgzl.fsf@redhat.com>
Date: Mon, 19 Jan 2026 19:58:06 +0100
From: Paolo Valerio <pvalerio@...hat.com>
To: Andrew Lunn <andrew@...n.ch>
Cc: netdev@...r.kernel.org, Nicolas Ferre <nicolas.ferre@...rochip.com>,
 Claudiu Beznea <claudiu.beznea@...on.dev>, Andrew Lunn
 <andrew+netdev@...n.ch>, "David S. Miller" <davem@...emloft.net>, Eric
 Dumazet <edumazet@...gle.com>, Jakub Kicinski <kuba@...nel.org>, Paolo
 Abeni <pabeni@...hat.com>, Lorenzo Bianconi <lorenzo@...nel.org>,
 Théo
 Lebrun <theo.lebrun@...tlin.com>
Subject: Re: [PATCH net-next 3/8] cadence: macb: Add page pool support
 handle multi-descriptor frame rx

On 16 Jan 2026 at 06:16:16 PM, Andrew Lunn <andrew@...n.ch> wrote:

> On Thu, Jan 15, 2026 at 11:25:26PM +0100, Paolo Valerio wrote:
>> Use the page pool allocator for the data buffers and enable skb recycling
>> support, instead of relying on netdev_alloc_skb allocating the entire skb
>> during the refill.
>
> Do you have any benchmark numbers for this change? Often swapping to
> page pool improves the performance of the driver, and i use it as a
> selling point for doing the conversion, independent of XDP.
>

Good point. I'll collect some numbers and add them here.

> Thanks
> 	Andrew