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Miller" , Eric Dumazet , Jakub Kicinski , Paolo Abeni , Maxime Coquelin , Alexandre Torgue , netdev@vger.kernel.org, linux-stm32@st-md-mailman.stormreply.com, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Matthew Gerlach Subject: Re: [PATCH net-next v3 1/2] net: stmmac: est: Drop frames causing HLBS error Message-ID: <20250926212516.68d35461@orangepi5-plus> In-Reply-To: <20250925-hlbs_2-v3-1-3b39472776c2@altera.com> References: <20250925-hlbs_2-v3-0-3b39472776c2@altera.com> <20250925-hlbs_2-v3-1-3b39472776c2@altera.com> X-Mailer: Claws Mail 4.2.0 (GTK 3.24.41; aarch64-unknown-linux-gnu) Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit On Thu, 25 Sep 2025 22:06:13 +0800 Rohan G Thomas wrote: > From: Rohan G Thomas > > 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 > Reviewed-by: Matthew Gerlach Reviewed-by: Furong Xu <0x1207@gmail.com>