From mboxrd@z Thu Jan 1 00:00:00 1970 Received: from us-smtp-delivery-124.mimecast.com (us-smtp-delivery-124.mimecast.com [170.10.129.124]) (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 D87122D8DBB for ; Wed, 30 Jul 2025 14:45:32 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=170.10.129.124 ARC-Seal:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753886734; cv=none; b=KsXCEY1rsMF6IdH4wnhklPc8ji3pDJMqkVc1cE1cb0+h/p2iYUrcDeAGCKwfLCoj2uP4mMS92IQpCtCIssU1xRb4nZt9yRETEl5g/LmVJzAykwywJO/ovT9w9vqAxxbGDdfWZbYirraK3bViZpMjm2/143S1UA2phuMyyquGbRY= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1753886734; c=relaxed/simple; bh=j7nDqxHyZYTkqB1KwFxAlexFgL1tW3GFt1tSPav6KnM=; h=Message-ID:Date:MIME-Version:Subject:To:Cc:References:From: In-Reply-To:Content-Type; b=FMBhLfiE7W/HBA8bcoSryq33PUpx1WHwgdgqlHpYz6/sZTqozj8jqkFtyRaU/XHHfTnpq4R2biSUqVktN6NVYmPhVdmFpVCZyMpzhSob4soh9t2rw0J20U9PqO6dpHtYrV4Ec7TNVH7kGTM4cAer1VJIH2NocsPnTFJAtpuqoVA= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com; spf=pass smtp.mailfrom=redhat.com; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b=T6/98hR3; arc=none smtp.client-ip=170.10.129.124 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=redhat.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=redhat.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=redhat.com header.i=@redhat.com header.b="T6/98hR3" DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=redhat.com; s=mimecast20190719; t=1753886732; 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=B5Jm1I5ZVNzFM2GbtPesvTUdsdvn+BhVHySRQ8Ex2NI=; b=T6/98hR3JkjboiF95SNV142dfLpMoF4xy+y854bDu5kx9V5d57yzOB2tuXqt+mdg4d9Mjv qbBlOC8kx+kuM61diyOopIFutD4E1aeW/BIBWeZkSb4+Ii5j0PqY05LdXKiK9JsnEOiaxX +a1VV0fPLm8f7biHv8y3MZwJDYUng0A= Received: from mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (ec2-35-165-154-97.us-west-2.compute.amazonaws.com [35.165.154.97]) by relay.mimecast.com with ESMTP with STARTTLS (version=TLSv1.3, cipher=TLS_AES_256_GCM_SHA384) id us-mta-665-ECXW_u5hO_emNiKKbEKfPw-1; Wed, 30 Jul 2025 10:45:28 -0400 X-MC-Unique: ECXW_u5hO_emNiKKbEKfPw-1 X-Mimecast-MFC-AGG-ID: ECXW_u5hO_emNiKKbEKfPw_1753886726 Received: from mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com [10.30.177.93]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (2048 bits) server-digest SHA256) (No client certificate requested) by mx-prod-mc-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTPS id 9624D1800873; Wed, 30 Jul 2025 14:45:25 +0000 (UTC) Received: from [10.45.226.74] (unknown [10.45.226.74]) by mx-prod-int-06.mail-002.prod.us-west-2.aws.redhat.com (Postfix) with ESMTP id 5131C1800D88; Wed, 30 Jul 2025 14:45:19 +0000 (UTC) Message-ID: <6b8281b3-a438-4b3e-a8e7-d5043416d421@redhat.com> Date: Wed, 30 Jul 2025 16:45:18 +0200 Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 User-Agent: Mozilla Thunderbird Subject: Re: [Intel-wired-lan] [RFC PATCH] net: add net-device TX clock source selection framework To: Jiri Pirko , Arkadiusz Kubalewski Cc: anthony.l.nguyen@intel.com, przemyslaw.kitszel@intel.com, andrew+netdev@lunn.ch, davem@davemloft.net, edumazet@google.com, kuba@kernel.org, pabeni@redhat.com, horms@kernel.org, sdf@fomichev.me, almasrymina@google.com, asml.silence@gmail.com, leitao@debian.org, kuniyu@google.com, linux-kernel@vger.kernel.org, intel-wired-lan@lists.osuosl.org, netdev@vger.kernel.org References: <20250729104528.1984928-1-arkadiusz.kubalewski@intel.com> Content-Language: en-US From: Ivan Vecera In-Reply-To: Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: 7bit X-Scanned-By: MIMEDefang 3.4.1 on 10.30.177.93 On 30. 07. 25 2:26 odp., Jiri Pirko wrote: > Tue, Jul 29, 2025 at 12:45:28PM +0200, arkadiusz.kubalewski@intel.com wrote: > > [...] > >> User interface: >> - Read /sys/class/net//tx_clk/ to get status (0/1) >> - Write "1" to switch to that clock source > > I wonder, if someone invented a time machine and sent me back to 2005... > > [...] > +1 why do we have netlink based interfaces for configuration...? Wouldn't be better to implement such thing to be configurable via ip link or ethtool?? E.g. ip link set eth0 tx-clk --or-- ethtool --set-tx-clk/--show-tx-clk eth0 Ivan