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 X-Spam-Level: X-Spam-Status: No, score=-2.8 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FORGED_FROMDOMAIN,FREEMAIL_FROM, HEADER_FROM_DIFFERENT_DOMAINS,MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS autolearn=no autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 10863C433E6 for ; Wed, 17 Mar 2021 11:34:47 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id C190E64F70 for ; Wed, 17 Mar 2021 11:34:46 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S231452AbhCQLeP (ORCPT ); Wed, 17 Mar 2021 07:34:15 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45406 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S231324AbhCQLdu (ORCPT ); Wed, 17 Mar 2021 07:33:50 -0400 Received: from mail-wm1-x32b.google.com (mail-wm1-x32b.google.com [IPv6:2a00:1450:4864:20::32b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 3FB36C06174A for ; Wed, 17 Mar 2021 04:33:50 -0700 (PDT) Received: by mail-wm1-x32b.google.com with SMTP id u5-20020a7bcb050000b029010e9316b9d5so1092748wmj.2 for ; Wed, 17 Mar 2021 04:33:50 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=date:from:to:cc:subject:message-id:references:mime-version :content-disposition:content-transfer-encoding:in-reply-to; bh=Kwk6v/o/d4IQ7dKE46qFH2dUVwEGuil3pNDfhSDIfcs=; b=ERR3lH06T2HxtiV8dYoqNyKq3V+2Xw+W7gepGhYeie4Ue/XTez3ByeVf7p6ejDuZm3 w8oOxXtbggHtz1/IYbHTN/p/dWHA0f5YOEbEH2F58V4GOggezm9RQDdvDEHAG6NPqQj6 9ni7v8sXWALZ38WHyOSOm0l4+x15lbJ6dV4kIZpMAG5XlE18ZVx/ERoRPnY8RnndIOg+ Sb9RhTtEfhIG78GYNqwGA+1QlgCywhb6jX//VYjZAfd7aP1DGJlu3SVcfhlnPjjsSx2G C4gLW0M5TWXF4GL+zfM1KcTm7q6aEbPS6l3bnjM1+aoquHBOpSpkQPmhD7z6Cxr9NzIX 4DWw== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:date:from:to:cc:subject:message-id:references :mime-version:content-disposition:content-transfer-encoding :in-reply-to; bh=Kwk6v/o/d4IQ7dKE46qFH2dUVwEGuil3pNDfhSDIfcs=; b=F1ej1bTzbaSlf+mlrfFaBycx97wnYwvivjhuXkRhzAKYfIXO5BCv9aXJzTOr8YOf64 Ozb9OHAj150pbXmzKUjhwinoFG9bPZxKkZdishpJ1cM/9kav2H3RkfWvPiZv+FEIAwrd HW1Iaba1LlWN3PajIYuD5SA3F7DAHAyS+MHqYEisu7lBCVX8z5V3hNlnjHhkoNW+IubO Dcpac/f0QhnlVsI5jqYbMGiMbUBhquFo2bOg606imXFXSlj7CgwPqZLKgYzLsgJLS8dc rElTkvqAzp/Ompzf8K38kfZTvE35TafnxwQJM8rlFnPI0ncoRObFS8hNM3IMuWQ4sj0w Oy8w== X-Gm-Message-State: AOAM532grxaetTEyaCFZOGzCO5vg5iTra660rB8yMV8o7w90OMuIe+pE DVH9YrOS0XvUcYlTgomACu8= X-Google-Smtp-Source: ABdhPJy+AxsLgrZYxbMRWY5u8wFRthZU3GZteTxJb6/aGeqZjgFIbze6BWlcubbJ59QqbqXMchToXg== X-Received: by 2002:a1c:21c3:: with SMTP id h186mr3171254wmh.32.1615980829048; Wed, 17 Mar 2021 04:33:49 -0700 (PDT) Received: from Red ([2a01:cb1d:3d5:a100:264b:feff:fe03:2806]) by smtp.googlemail.com with ESMTPSA id c26sm26551756wrb.87.2021.03.17.04.33.48 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Wed, 17 Mar 2021 04:33:48 -0700 (PDT) Date: Wed, 17 Mar 2021 12:33:46 +0100 From: Corentin Labbe To: Belisko Marek Cc: netdev Subject: Re: set mtu size broken for dwmac-sun8i Message-ID: References: MIME-Version: 1.0 Content-Type: text/plain; charset=iso-8859-1 Content-Disposition: inline Content-Transfer-Encoding: 8bit In-Reply-To: Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org Le Wed, Mar 17, 2021 at 10:19:26AM +0100, Belisko Marek a écrit : > Hi, > > I'm hunting an issue when setting mtu failed for dwmac-sun8i driver. > Basically adding more debug shows that in stmmac_change_mtu > tx_fifo_size is 0 and in this case EINVAL is reported. Isaw there was > fix for similar driver dwmac-sunxi driver by: > 806fd188ce2a4f8b587e83e73c478e6484fbfa55 > > IIRC dwmac-sun8i should get tx and rx fifo size from dma but seems > it's not the case. I'm using 5.4 kernel LTS release. Any ideas? > > Thanks and BR, > > marek > Hello Could you provide exact command line you tried to change mtu ? Along with all MTU values you tried. Thanks Regards