netdev - Re: [PATCH net-next 04/16] netfilter: flowtable: inline pppoe encapsulation in xmit path

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Message-ID: <20251126033304.6588-1-dqfext@gmail.com>
Date: Wed, 26 Nov 2025 11:33:04 +0800
From: Qingfang Deng <dqfext@...il.com>
To: Pablo Neira Ayuso <pablo@...filter.org>
Cc: netfilter-devel@...r.kernel.org,
	davem@...emloft.net,
	netdev@...r.kernel.org,
	kuba@...nel.org,
	pabeni@...hat.com,
	edumazet@...gle.com,
	fw@...len.de,
	horms@...nel.org
Subject: Re: [PATCH net-next 04/16] netfilter: flowtable: inline pppoe encapsulation in xmit path

On Tue, 25 Nov 2025 22:33:00 +0000, Pablo Neira Ayuso wrote:
> the pppoe device which delivers the packet to the
> userspace pppd daemon for encapsulation.

This is not true, PPPoE encapsulation is done in kernel
drivers/net/ppp/pppoe.c. But inlining is still faster than the original
xmit path because it can avoid some locking.

- Qingfang