netdev - Re: [RFC net-next 0/5] Add ETS and TBF Qdisc offload for Airoha EN7581 SoC

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Message-ID: <20241217132844.xapgmkjkxbdguj7h@skbuf>
Date: Tue, 17 Dec 2024 15:28:44 +0200
From: Vladimir Oltean <olteanv@...il.com>
To: Oleksij Rempel <o.rempel@...gutronix.de>
Cc: Andrew Lunn <andrew@...n.ch>, Lorenzo Bianconi <lorenzo@...nel.org>,
	Oleksij Rempel <linux@...pel-privat.de>, netdev@...r.kernel.org,
	davem@...emloft.net, edumazet@...gle.com, kuba@...nel.org,
	pabeni@...hat.com, horms@...nel.org, nbd@....name,
	sean.wang@...iatek.com, Mark-MC.Lee@...iatek.com,
	lorenzo.bianconi83@...il.com
Subject: Re: [RFC net-next 0/5] Add ETS and TBF Qdisc offload for Airoha
 EN7581 SoC

On Tue, Dec 17, 2024 at 01:22:45PM +0100, Oleksij Rempel wrote:
> I'm still thinking about best way to classify DSA user port traffic.
> Will it be enough to set classid on user port?
> 
> tc filter add dev lan0 protocol all flower skip_hw \
>     action classid 1:1
> tc filter add dev lan1 protocol all flower skip_hw \
>     action classid 1:2
> 
> And then process it on the conduit port:
> # Add HTB Qdisc on the conduit interface
> tc qdisc add dev conduit0 root handle 1: htb default 1
> 
> # Define rate-limiting classes
> tc class add dev conduit0 parent 1: classid 1:1 htb rate 100mbit burst 5k
> tc class add dev conduit0 parent 1: classid 1:2 htb rate 100mbit burst 5k
> 
> Or the classid will not be transferred between devices and i'll need to
> use something like skbedit?

I don't know, if you find out, let us know.