From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from galois.linutronix.de (Galois.linutronix.de [193.142.43.55]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 019093A1D0C for ; Tue, 3 Feb 2026 14:09:36 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=193.142.43.55 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770127778; cv=none; b=uAv2AsL6PQN2XYDi+Z1/GJ3Ae/LdUVJRx6sKGztndeiXkSkXRiwv98FED4Xxi2YXa2h0gVA8/yCIMKVKjOEVWfLaXlOKYwigkf0NbUnc3hgsjcHv50kMI38VNIdOfpjMioFKIjdrTdS/M7A+kATkm+WnWDrJ6AuCqCvLL5ONUYc= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1770127778; c=relaxed/simple; bh=3nnTWDwj5NjRfT3T9Wc43R8aCAhi4vhZEIGpoOzlK/Q=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=WHkeBCMjAS0Gt9uXoFLrWxCYDEUS6TdqalRDSDSTTemSRqzuzTPsENZ5U1b74NTKGdxNWRwC6aV9L6mq8N02RmrcbTP64WD72vXzC56NTO9uCABmiqKpOEx1HdD7z4ErubK7OSuKH9V1+eHq+Mx/g9B0llZfWJD6g0vfVyBtxLY= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de; spf=pass smtp.mailfrom=linutronix.de; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=Klqos8dg; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b=zpyNwm7G; arc=none smtp.client-ip=193.142.43.55 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=linutronix.de Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=linutronix.de Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="Klqos8dg"; dkim=permerror (0-bit key) header.d=linutronix.de header.i=@linutronix.de header.b="zpyNwm7G" Date: Tue, 3 Feb 2026 15:09:34 +0100 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020; t=1770127775; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3nnTWDwj5NjRfT3T9Wc43R8aCAhi4vhZEIGpoOzlK/Q=; b=Klqos8dgPSEgwqnOWGNxn4WtuiwC1syi9KEsegcQlfGrm9hOqDeZfzlFVOjqzcOZ2RoKuH vdE5dn145FpAHsD8DXyasyZ82M3BnhvOoe424w9xaNbuDj55rchfdgNPsCuv7ukeLUR2mk lRP1FBND1PcDWcVxtu1VH0wfIhxUe11wSa/LXJvAn6vHvWjZoqTSS5x4pL0UcphsgP59pC KKTHhuZzm1ykKDyBcn/8by6nThWF0HJhKbLujUG9Zi2JkotNN46EqxALUiUPKnaLeDlIrp 9zuN2rYgTqaVZrPUOpUVOYgawuLvQeuIZV4EBwM7ehxq5LNnUDBsuAVZaE1RVA== DKIM-Signature: v=1; a=ed25519-sha256; c=relaxed/relaxed; d=linutronix.de; s=2020e; t=1770127775; h=from:from:reply-to:subject:subject:date:date:message-id:message-id: to:to:cc:cc:mime-version:mime-version:content-type:content-type: content-transfer-encoding:content-transfer-encoding: in-reply-to:in-reply-to:references:references; bh=3nnTWDwj5NjRfT3T9Wc43R8aCAhi4vhZEIGpoOzlK/Q=; b=zpyNwm7GjBFB9gT5N7uUrSWYlH8vo7d8PYfG1gMG5neZef+Yi6+nAQnM9BAbn6qMXiPRr6 3/RG8T/BmRFQoMDA== From: Sebastian Andrzej Siewior To: Felix Maurer Cc: netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, jkarrenpalo@gmail.com, tglx@kernel.org, mingo@kernel.org, matttbe@kernel.org, allison.henderson@oracle.com, petrm@nvidia.com, antonio@openvpn.net Subject: Re: [PATCH net-next v3 0/8] hsr: Implement more robust duplicate discard algorithm Message-ID: <20260203140934.zBi8LZvd@linutronix.de> References: Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=utf-8 Content-Disposition: inline Content-Transfer-Encoding: quoted-printable In-Reply-To: On 2026-02-02 15:19:16 [+0100], Felix Maurer wrote: > The duplicate discard algorithms for PRP and HSR do not work reliably > with certain link faults. Especially with packet loss on one link, the > duplicate discard algorithms drop valid packets. For a more thorough > description see patches 4 (for PRP) and 6 (for HSR). >=20 =E2=80=A6 All good, thanks. Sebastian