netdev - Re: [PATCH v3 4/5] net: hpe: Add GXP UMAC Driver

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Message-ID: <1b8058e1-6e7f-4a4a-a191-09a9b8010e0a@lunn.ch>
Date: Fri, 18 Aug 2023 23:15:59 +0200
From: Andrew Lunn <andrew@...n.ch>
To: "Hawkins, Nick" <nick.hawkins@....com>
Cc: "christophe.jaillet@...adoo.fr" <christophe.jaillet@...adoo.fr>,
	"simon.horman@...igine.com" <simon.horman@...igine.com>,
	"Verdun, Jean-Marie" <verdun@....com>,
	"davem@...emloft.net" <davem@...emloft.net>,
	"edumazet@...gle.com" <edumazet@...gle.com>,
	"kuba@...nel.org" <kuba@...nel.org>,
	"pabeni@...hat.com" <pabeni@...hat.com>,
	"robh+dt@...nel.org" <robh+dt@...nel.org>,
	"krzysztof.kozlowski+dt@...aro.org" <krzysztof.kozlowski+dt@...aro.org>,
	"conor+dt@...nel.org" <conor+dt@...nel.org>,
	"netdev@...r.kernel.org" <netdev@...r.kernel.org>,
	"devicetree@...r.kernel.org" <devicetree@...r.kernel.org>,
	"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>
Subject: Re: [PATCH v3 4/5] net: hpe: Add GXP UMAC Driver

> Would this be the #include <linux/dmapool.h> library?

<include/net/page_pool/helpers.h>

Take a look at driver/net/ethernet/freescale/fec_main.c That
driver/device is of similar complexity to yours. It had a recent
change from its own buffer management to page pool. It
started with

commit 95698ff6177b5f1f13f251da60e7348413046ae4
Author: Shenwei Wang <shenwei.wang@....com>
Date:   Fri Sep 30 15:44:27 2022 -0500

    net: fec: using page pool to manage RX buffers

but there are additional patches later.

    Andrew