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 vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 6CC9BC76195 for ; Tue, 21 Mar 2023 01:41:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229833AbjCUBla (ORCPT ); Mon, 20 Mar 2023 21:41:30 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51292 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229683AbjCUBl2 (ORCPT ); Mon, 20 Mar 2023 21:41:28 -0400 Received: from dfw.source.kernel.org (dfw.source.kernel.org [IPv6:2604:1380:4641:c500::1]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id F18344ECC; Mon, 20 Mar 2023 18:41:27 -0700 (PDT) Received: from smtp.kernel.org (relay.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by dfw.source.kernel.org (Postfix) with ESMTPS id 816FE618F4; Tue, 21 Mar 2023 01:41:27 +0000 (UTC) Received: by smtp.kernel.org (Postfix) with ESMTPSA id 72FAAC433D2; Tue, 21 Mar 2023 01:41:26 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=kernel.org; s=k20201202; t=1679362886; bh=B8HUVMUele/eV9xqSClhVIh/hFcyS0yRlOAyMdO7npA=; h=From:To:Cc:Subject:Date:From; b=p+GhLjeZjoQIQ0flXz/qsth1X6iWMQ+kT4Kmk27+H8obm/x0TmbRUwy9vi2y0TcxD oNH1P6ZUUjkUpf1qUqfKNy33X39NawC7BSKhi5sjd1lqVFjFCJ35fxUiZG0iMkNPse pj12pbL33Eam/Kn/loZE/6ulfKl1M1EQ0cBvAqYO+SHJQR+3lcdeog+qF3Y1zw31SQ Kty/Rdk8qYGlBrR3XlGrKg1Rl8HZF008cixtUG1C1hz3YpZyuy+qpEorYjIDnbOrK3 GE2X+tTs9UrV8Ty4hb+RLkYb1TNb1PC2y0SjnYDfiejYTXSSDgCV8XR6IhCUSjtvAP XnbOf5xtEGD1Q== From: Jakub Kicinski To: martin.lau@linux.dev Cc: ast@kernel.org, daniel@iogearbox.net, bpf@vger.kernel.org, netdev@vger.kernel.org, davem@davemloft.net, edumazet@google.com, pabeni@redhat.com, Jakub Kicinski Subject: [PATCH bpf-next v2 0/3] net: skbuff: skb bitfield compaction - bpf Date: Mon, 20 Mar 2023 18:41:12 -0700 Message-Id: <20230321014115.997841-1-kuba@kernel.org> X-Mailer: git-send-email 2.39.2 MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org I'm trying to make more of the sk_buff bits optional. Move the BPF-accessed bits a little - because they must be at coding-time-constant offsets they must precede any optional bit. While at it clean up the naming a bit. v1: https://lore.kernel.org/all/20230308003159.441580-1-kuba@kernel.org/ Jakub Kicinski (3): net: skbuff: rename __pkt_vlan_present_offset to __mono_tc_offset net: skbuff: reorder bytes 2 and 3 of the bitfield net: skbuff: move the fields BPF cares about directly next to the offset marker include/linux/skbuff.h | 36 +++++++++---------- net/core/filter.c | 8 ++--- .../selftests/bpf/prog_tests/ctx_rewrite.c | 14 ++++---- 3 files changed, 29 insertions(+), 29 deletions(-) -- 2.39.2