From patchwork Fri Nov 15 20:43:04 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Kees Cook X-Patchwork-Id: 13876821 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 29B6D1E2848; Fri, 15 Nov 2024 20:43:11 +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=1731703392; cv=none; b=eDks5pnIM2BZenSvKg64N5J5UO7yQnQ8rdQ+XO1AP6kgAFCwbo5r6lzGf9EjFS30Fm3XzX+yDXThSVzII8d+UuqP0a4cw/D/+S24z1pp5y4k4dRv2+y4L7NIAxQvd6RUELK6BTDkHhoXBmK3k1oINiOPh1NYsSqYMLvuASP00PI= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1731703392; c=relaxed/simple; bh=HMpjdv/bdsXxaQkhI5GYNDu/DBHhpSw2rmWGbNPhfqc=; h=From:To:Cc:Subject:Date:Message-Id:In-Reply-To:References: MIME-Version; b=UuhwBUjCJuhTbl6mJptZYE4dnqSa+6d/6gXND5CqTuCxRA/nHWs8SHz4Ft3qLGfU+BQUTb9cdrEdt1937MCs48IwiQDHWbhCB39tkJwrbcGgHSwm9J4EYdFsXbsLymuG2O6MKjAzBG1ZkQczPHwkRJS6eZcQB4qzaEkef5QWhbw= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=kernel.org header.i=@kernel.org header.b=PeLpSbuE; 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="PeLpSbuE" Received: by smtp.kernel.org (Postfix) with ESMTPSA id C7AEDC4CECF; Fri, 15 Nov 2024 20:43:11 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1731703391; bh=HMpjdv/bdsXxaQkhI5GYNDu/DBHhpSw2rmWGbNPhfqc=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=PeLpSbuER+I2/r5q3PCIifda93s7fpLsXNBI4oQZu8p6/mR4+AboBV1Z3DydsHhPs PQSLm/ZAf14MkoGv4OkMWZmlYgnoXBavzf9DpnT/MyHRbPxar+SVRC94Rt9a+zBT3h Fh+eNi0KAM/BxRNfDQqKlD/KGmyghXBzLXNl6bkSdMMh0lQ0xr+nCOX/rXHwGI8rzj InrfH5SbefkXsWh7UW4fPaQn8pa82VgqMHRqOGQpqZHGdWVxlhpSTuNeBB0kmN1u8M OeCybIZUsn95+p9JjlvWIVjpOKdup/5D/FX57nf6Yq6JC4X5Zvc7OSLM5btdBtdEUe TLWqSbxCIQ8XA== From: Kees Cook To: Jakub Kicinski Cc: Kees Cook , "Gustavo A. R. Silva" , "David S. Miller" , Andrew Lunn , "Kory Maincent (Dent Project)" , Michael Chan , Andrew Lunn , Eric Dumazet , Paolo Abeni , Potnuri Bharat Teja , Christian Benvenuti , Satish Kharat , Manish Chopra , Simon Horman , Edward Cree , Przemek Kitszel , Heiner Kallweit , Ahmed Zaki , Rahul Rameshbabu , Ido Schimmel , Maxime Chevallier , Takeru Hayasaka , Jonathan Corbet , linux-kernel@vger.kernel.org, netdev@vger.kernel.org, linux-hardening@vger.kernel.org Subject: [PATCH 2/3] Revert "UAPI: ethtool: Use __struct_group() in struct ethtool_link_settings" Date: Fri, 15 Nov 2024 12:43:04 -0800 Message-Id: <20241115204308.3821419-2-kees@kernel.org> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20241115204115.work.686-kees@kernel.org> References: <20241115204115.work.686-kees@kernel.org> Precedence: bulk X-Mailing-List: linux-hardening@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-Developer-Signature: v=1; a=openpgp-sha256; l=1676; i=kees@kernel.org; h=from:subject; bh=HMpjdv/bdsXxaQkhI5GYNDu/DBHhpSw2rmWGbNPhfqc=; b=owGbwMvMwCVmps19z/KJym7G02pJDOnmmyIk8r96VO2KE5lgtGfjl99Fb6peaZ7ktyqKmfJ+V jub01+fjlIWBjEuBlkxRZYgO/c4F4+37eHucxVh5rAygQxh4OIUgIlMZGP4w/3sYMXytXM8bpbd 28AvGNAnYnvCVYX3bE7P5ND56RLNrxgZji2dM/tCs+lu/kM8P/XCn80ySo9O2MSys6uepVv3CX8 bEwA= X-Developer-Key: i=kees@kernel.org; a=openpgp; fpr=A5C3F68F229DD60F723E6E138972F4DFDC6DC026 This reverts commit 43d3487035e9a86fad952de4240a518614240d43. We cannot use tagged struct groups in UAPI because C++ will throw syntax errors even under "extern C". Signed-off-by: Kees Cook --- Cc: "Gustavo A. R. Silva" --- include/uapi/linux/ethtool.h | 33 +++++++++++++++------------------ 1 file changed, 15 insertions(+), 18 deletions(-) diff --git a/include/uapi/linux/ethtool.h b/include/uapi/linux/ethtool.h index fc1f54b065f9..c405ed63acfa 100644 --- a/include/uapi/linux/ethtool.h +++ b/include/uapi/linux/ethtool.h @@ -2511,24 +2511,21 @@ enum ethtool_reset_flags { * autonegotiation; 0 if unknown or not applicable. Read-only. */ struct ethtool_link_settings { - /* New members MUST be added within the __struct_group() macro below. */ - __struct_group(ethtool_link_settings_hdr, hdr, /* no attrs */, - __u32 cmd; - __u32 speed; - __u8 duplex; - __u8 port; - __u8 phy_address; - __u8 autoneg; - __u8 mdio_support; - __u8 eth_tp_mdix; - __u8 eth_tp_mdix_ctrl; - __s8 link_mode_masks_nwords; - __u8 transceiver; - __u8 master_slave_cfg; - __u8 master_slave_state; - __u8 rate_matching; - __u32 reserved[7]; - ); + __u32 cmd; + __u32 speed; + __u8 duplex; + __u8 port; + __u8 phy_address; + __u8 autoneg; + __u8 mdio_support; + __u8 eth_tp_mdix; + __u8 eth_tp_mdix_ctrl; + __s8 link_mode_masks_nwords; + __u8 transceiver; + __u8 master_slave_cfg; + __u8 master_slave_state; + __u8 rate_matching; + __u32 reserved[7]; __u32 link_mode_masks[]; /* layout of link_mode_masks fields: * __u32 map_supported[link_mode_masks_nwords];