netdev - Re: [PATCH net-next v3 1/2] net: stmmac: est: Drop frames causing HLBS error

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Message-ID: <20250926212516.68d35461@orangepi5-plus>
Date: Fri, 26 Sep 2025 21:25:16 +0800
From: Furong Xu <0x1207@...il.com>
To: Rohan G Thomas <rohan.g.thomas@...era.com>
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>, Maxime Coquelin
 <mcoquelin.stm32@...il.com>, Alexandre Torgue
 <alexandre.torgue@...s.st.com>, netdev@...r.kernel.org,
 linux-stm32@...md-mailman.stormreply.com,
 linux-arm-kernel@...ts.infradead.org, linux-kernel@...r.kernel.org, Matthew
 Gerlach <matthew.gerlach@...era.com>
Subject: Re: [PATCH net-next v3 1/2] net: stmmac: est: Drop frames causing
 HLBS error

On Thu, 25 Sep 2025 22:06:13 +0800
Rohan G Thomas <rohan.g.thomas@...era.com> wrote:

> From: Rohan G Thomas <rohan.g.thomas@...era.com>
> 
> Drop those frames causing Head-of-Line Blocking due to Scheduling
> (HLBS) error to avoid HLBS interrupt flooding and netdev watchdog
> timeouts due to blocked packets. Tx queues can be configured to drop
> those blocked packets by setting Drop Frames causing Scheduling Error
> (DFBS) bit of EST_CONTROL register.
> 
> Also, add per queue HLBS drop count.
> 
> Signed-off-by: Rohan G Thomas <rohan.g.thomas@...era.com>
> Reviewed-by: Matthew Gerlach <matthew.gerlach@...era.com>

Reviewed-by: Furong Xu <0x1207@...il.com>