netdev - Re: [PATCH net-next v2] net: airoha: Add matchall filter offload support

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Message-ID: <Z_YzzeUVd8ww6sjf@dcaratti.users.ipa.redhat.com>
Date: Wed, 9 Apr 2025 10:46:05 +0200
From: Davide Caratti <dcaratti@...hat.com>
To: Lorenzo Bianconi <lorenzo@...nel.org>
Cc: 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>,
	linux-arm-kernel@...ts.infradead.org,
	linux-mediatek@...ts.infradead.org, netdev@...r.kernel.org
Subject: Re: [PATCH net-next v2] net: airoha: Add matchall filter offload
 support

hi,

On Wed, Apr 09, 2025 at 01:15:32AM +0200, Lorenzo Bianconi wrote:
> Introduce tc matchall filter offload support in airoha_eth driver.
> Matchall hw filter is used to implement hw rate policing via tc action
> police:
> 
> $tc qdisc add dev eth0 handle ffff: ingress
> $tc filter add dev eth0 parent ffff: matchall action police \
>  rate 100mbit burst 1000k drop
> 
> The current implementation supports just drop/accept as exceed/notexceed
> actions. Moreover, rate and burst are the only supported configuration
> parameters.
> 
> Signed-off-by: Lorenzo Bianconi <lorenzo@...nel.org>
> ---
> Changes in v2:
> - Validate act police mtu parameter
> - Link to v1: https://lore.kernel.org/r/20250407-airoha-hw-rx-ratelimit-v1-1-917d092d56fd@kernel.org
> ---

for v2:

Reviewed-by: Davide Caratti <dcaratti@...hat.com>