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 AA2E818C340 for ; Mon, 15 Jul 2024 13:11:39 +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=1721049099; cv=none; b=CLDXoEbUbElGsJNBnUEKA2kG9wb9EYappO4z1M3jn73UOw6bq8utYNGgwHUcgK5XorFrsryXOd61WIChOqruvyF9qx4ZyupoMBgSRL0ysRCCU4AEFAf1Xo3G3XD+AXTA40jz1QZWhtEJF8DmUo7mZHQjv8FZ+JjB37nrWnBnF2c= ARC-Message-Signature:i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1721049099; c=relaxed/simple; bh=m5KNutGUFFetKML3Vw7eD7EvygsIjEEnZyHmZw/zafY=; h=Date:From:To:Cc:Subject:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=M3YMmmPCl3LAQ0SM2QyXc4fCh9qaHN4Z4O5YsyDLMXbPQA6ZrOyXH03r2CWMj1xG12yvoOQ5mkUaqXeiymFW3xYr/FEl/iQgkGUwMOotLRCcpLle5RdUupTx2aNSb1T9758mmgzyFkgk/DGW8QtIEN9qef0AS2kG3P/GJkukcOU= ARC-Authentication-Results:i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=S2Sl6GDY; 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="S2Sl6GDY" Received: by smtp.kernel.org (Postfix) with ESMTPSA id F3BA0C4AF0E; Mon, 15 Jul 2024 13:11:38 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1721049099; bh=m5KNutGUFFetKML3Vw7eD7EvygsIjEEnZyHmZw/zafY=; h=Date:From:To:Cc:Subject:In-Reply-To:References:From; b=S2Sl6GDYhcHmjcfKmy7sFTJ94Vvpa81aSRoKWLG+LMQVABzPHFyOPVXV2rzWCiyd+ C1739vHPwPbFGTDeZCTQc0dyejpZRLax4cjDU/D1q69jfXxYMurTE0HW6OFET6VkIX Ednkhr1/DGHBjv+R+WDlzKimzdj+r2oGED3/OsycQW0o0QxNdnRAkvsiPYVcgokj5Y FErtqvWc91fpKJYoMkLZhHOZ4E4OjuOVeIz9PPjVTdvXzOK6J7LM3hRxGw0pa8NxsY Q2oZ22HHCCIid14AwZdM4lmk66s+6AUhPUmuGxR8DHGXES98B10v39RM0fdctvFqCI slVBPUDPoabGw== Date: Mon, 15 Jul 2024 06:11:37 -0700 From: Jakub Kicinski To: Vladimir Oltean , "Mogilappagari, Sudheer" Cc: Michal Kubecek , "netdev@vger.kernel.org" , Wei Fang , "Samudrala, Sridhar" Subject: Re: Netlink handler for ethtool --show-rxfh breaks driver compatibility Message-ID: <20240715061137.3df01bf2@kernel.org> In-Reply-To: <20240715115807.uc5nbc53rmthdbpu@skbuf> References: <20240711114535.pfrlbih3ehajnpvh@skbuf> <20240715115807.uc5nbc53rmthdbpu@skbuf> 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-Transfer-Encoding: 7bit On Mon, 15 Jul 2024 14:58:07 +0300 Vladimir Oltean wrote: > Looking at Documentation/networking/ethtool-netlink.rst, I see > ETHTOOL_GRXRINGS has no netlink equivalent. So print_indir_table() > should still be called with the result of the ETHTOOL_GRXRINGS ioctl > even in the netlink case? How about we fall back to the old method if netlink returns EOPNOTSUPP for CHANNELS_GET? The other API is a bit of a historic coincidence.