From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id 03183105A586 for ; Fri, 13 Mar 2026 00:22:54 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:Content-Transfer-Encoding: Content-Type:MIME-Version:References:In-Reply-To:Message-ID:Subject:Cc:To: From:Date:Reply-To:Content-ID:Content-Description:Resent-Date:Resent-From: Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=HgjySDVNwgDQicznMS5CDu6nrUoMEBeK9VpMOFLo3PA=; b=i3Uf/I/jIoJnvi3v0EHSK10nY7 BVay24AwzbajLpxsCBf3bUZjJlMGkYm31QDZGYCoHHbcYjwF1q5jMOwZLEkffpWY96xPcK2eCiuEN tFLr9d7C11Lk1rq2jsYmY9ZUNc50YwUS4Yud5S76kottVeboTgIddFiUAg79cu4QAFuqNOolmEOOp q1nEeoD0FzgelWo7jwGGoaPMDFgc+om8Vxg5UxlIQ8PbCXIlQbp84q0c1jmRVBhyQbxczkngM18VT 6LKFK6gGMID5F6GOClomamOzashkQ4stCiUqfo6mifEzke2sk1cK/r9JKUtcCcuz8XxTh+0b/HbFh 62wS/LRQ==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0qIl-0000000Fudu-2saM; Fri, 13 Mar 2026 00:22:51 +0000 Received: from tor.source.kernel.org ([172.105.4.254]) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1w0qIk-0000000Fudc-2rU4; Fri, 13 Mar 2026 00:22:50 +0000 Received: from smtp.kernel.org (transwarp.subspace.kernel.org [100.75.92.58]) by tor.source.kernel.org (Postfix) with ESMTP id D1FEA60142; Fri, 13 Mar 2026 00:22:49 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 2455FC4CEF7; Fri, 13 Mar 2026 00:22:49 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1773361369; bh=wI1M2N3RZJ2ZGEFBVZ0oz+Ohx1k+qHSBfOqMj5JSSV4=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=gq9nHXeu+kEHaXkEFRtydIr1EtZQSG7QgbgG215lIgYebbhnpVIuXvY1VhlnK1bDq IzZIR4Poy9LRkeBH7U2Eb6vXo6G6XYXQailY5puZOY9d+Byq07nfffRyh6bLSOaE1D dYHVmdANm2v8xvZQhLo+zOMjQP6u0SXElZcDvyMVZROyKlL808xB1sPvUjHxyszUBY t4bQSmaYWFIdLKiosStIwC+v/s9xbpeAgKayhr7jwPM6CAptO4X3Ljbkhfcg+hvL0E I0EfKtAbFFaCxNK3+gvCbb2NT9LhrpLg4LHmGTtXHuvi35BCOg3J2dyiv89ubWAAhW SoLtBjMKvVM4Q== Date: Thu, 12 Mar 2026 17:22:48 -0700 From: Jakub Kicinski To: Lorenzo Bianconi Cc: Simon Horman , Andrew Lunn , "David S. Miller" , Eric Dumazet , Paolo Abeni , linux-arm-kernel@lists.infradead.org, linux-mediatek@lists.infradead.org, netdev@vger.kernel.org Subject: Re: [PATCH net-next] net: airoha: select QDMA block according LAN/WAN configuration Message-ID: <20260312172248.68742f98@kernel.org> In-Reply-To: References: <20260310-airoha-qdma-lan-wan-mode-v1-1-64ec74dea872@kernel.org> <20260312172430.GA1267298@kernel.org> MIME-Version: 1.0 Content-Type: text/plain; charset=US-ASCII Content-Transfer-Encoding: 7bit X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org On Thu, 12 Mar 2026 22:14:36 +0100 Lorenzo Bianconi wrote: > > Is this a bug fix? > > If so, perhaps it is for net with a fixes tag. > > I guess we do not need to target net tree since airoha_eth driver currently > supports just the LAN interface via the MT7530 DSA switch connected to GDM1 > and there are no WAN interfaces officially supported (PCS/external phy is not > merged mainline yet, it is only available in OpenWrt). > > > > > And at any rate, could you add some description of the before and after > > behaviour? > > Theoretically, before this patch, GDM ports were equally distributed between > QDMA0 and QDMA1 while this patch assigns LAN interfaces to QDMA0 and WAN > interface to QDMA1. However, for the reason explained above, this change is > not currently visible to the user. Please update the commit message. And please try harder to explain the patches, this happens a lot with your submissions..