From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from smtp.kernel.org (aws-us-west-2-korg-mail-1.web.codeaurora.org [10.30.226.201]) (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 BD3EA12F386; Wed, 27 Mar 2024 14:30:33 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=10.30.226.201 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711549833; cv=none; b=OtNJlkhBpGreeBJ6j4R8Iy8wiT7l4mzTpYF+0uxrVLCE2uVQPG8EWzVbxT8pj3lxwD/fsPAMDJQcS5L67+2sSfuu8sS2nCYzf71Gpwq8ook0ZpN7vSlG53/YXIZGrM5IWn+qzKYmfsUWo+si42WS8JUZh8MAciRhEEKZpxjjliw= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711549833; c=relaxed/simple; bh=mMOTUGPRyDA8kg6xQyOpkb2HcIYmZ5EYpD+EVgw6RX0=; h=Date:From:To:Cc:Subject:Message-ID:References:MIME-Version: Content-Type:Content-Disposition:In-Reply-To; b=TfIDoGRLcGWPz0ZHoRJX+l/DCZyZq2mdDX3l3PPQMSOPhv6pIPylirj4tDrdGc1ekdlcTNC20BRA1/RzeAO076NNQ5W/T6nKIHvbrIoPb5Mpudkhg+rlHIBV+uYt5TeaX2YF6v3nURLPCZeq6fEd+Pxbb1I5dI/OSm352VHN0aA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=ubQigRy6; arc=none smtp.client-ip=10.30.226.201 Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b="ubQigRy6" Received: by smtp.kernel.org (Postfix) with ESMTPSA id 5075BC433C7; Wed, 27 Mar 2024 14:30:31 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1711549833; bh=mMOTUGPRyDA8kg6xQyOpkb2HcIYmZ5EYpD+EVgw6RX0=; h=Date:From:To:Cc:Subject:References:In-Reply-To:From; b=ubQigRy6ROJg46ZCx3AkKmlQ3J5igarOiZoVxoPSZieYvGrs9cbH3RRSLcLRlESAs I7pbqfvLgKqTJs4W+iCIMoZ+5DIn1oNYfkiJEfqrFaMTXPhbjgINls8wYk0G4CHSbo 61LYCu8HhAR3mU1817uvoGbVTAVBJW6HU3zIichCvDcf3fu/2pwGXeA2dgzNfGFJe/ wyOw5a/IODppne6rbdNw9bFyyEZVqcbV7Jb02hkehT396TYPju+cijIs4P1GBCwrh7 ZeR9CYPVq3iAEyBnQ5FC6U7HKLet67yP6ckkAOs+aMKclivF88gvm3FHGXLFI6FkVc fz0MMa0cP9+rw== Date: Wed, 27 Mar 2024 14:30:29 +0000 From: Simon Horman To: Raju Lakkaraju Cc: netdev@vger.kernel.org, davem@davemloft.net, kuba@kernel.org, pabeni@redhat.com, edumazet@google.com, linux-kernel@vger.kernel.org, bryan.whitehead@microchip.com, UNGLinuxDriver@microchip.com Subject: Re: [PATCH net V2] net: lan743x: Add set RFE read fifo threshold for PCI1x1x chips Message-ID: <20240327143029.GJ403975@kernel.org> References: <20240326065805.686128-1-Raju.Lakkaraju@microchip.com> Precedence: bulk X-Mailing-List: netdev@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 Content-Type: text/plain; charset=us-ascii Content-Disposition: inline In-Reply-To: <20240326065805.686128-1-Raju.Lakkaraju@microchip.com> On Tue, Mar 26, 2024 at 12:28:05PM +0530, Raju Lakkaraju wrote: > PCI11x1x Rev B0 devices might drop packets when receiving back to back frames > at 2.5G link speed. Change the B0 Rev device's Receive filtering Engine FIFO > threshold parameter from its hardware default of 4 to 3 dwords to prevent the > problem. Rev C0 and later hardware already defaults to 3 dwords. > > Fixes: bb4f6bffe33c ("net: lan743x: Add PCI11010 / PCI11414 device IDs") > Signed-off-by: Raju Lakkaraju Reviewed-by: Simon Horman