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

[Furong Xu]

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

> From: Rohan G Thomas <rohan.g.thomas at altera.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 at altera.com>
> Reviewed-by: Matthew Gerlach <matthew.gerlach at altera.com>

Reviewed-by: Furong Xu <0x1207 at gmail.com>