From patchwork Sun Jul 22 15:13:01 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Toshiaki Makita X-Patchwork-Id: 947473 X-Patchwork-Delegate: bpf@iogearbox.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (mailfrom) smtp.mailfrom=vger.kernel.org (client-ip=209.132.180.67; helo=vger.kernel.org; envelope-from=netdev-owner@vger.kernel.org; receiver=) Authentication-Results: ozlabs.org; dmarc=pass (p=none dis=none) header.from=gmail.com Authentication-Results: ozlabs.org; dkim=pass (2048-bit key; unprotected) header.d=gmail.com header.i=@gmail.com header.b="OluV3iCy"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 41YSn350sZz9s4Z for ; Mon, 23 Jul 2018 01:13:27 +1000 (AEST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1729793AbeGVQKV (ORCPT ); Sun, 22 Jul 2018 12:10:21 -0400 Received: from mail-pl0-f66.google.com ([209.85.160.66]:41901 "EHLO mail-pl0-f66.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1728506AbeGVQKV (ORCPT ); Sun, 22 Jul 2018 12:10:21 -0400 Received: by mail-pl0-f66.google.com with SMTP id w8-v6so7145731ply.8 for ; Sun, 22 Jul 2018 08:13:21 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=V7incWrLVqMEbpM3F9VB76bzZvqjpEZwM1jn+oTmATM=; b=OluV3iCyg4ou1BtAex0mJpep5OIZ2m/i36pLOpM99BtYWYC+20WbPIJsasAzo+glWF iGIp1yg+Y/oi+0bLUfPmRzAsCIA3tmnDDfqOID3zEntqfLWGBzR1kdu9fOh3Et9OIAbN NXfUYvJZAgwlA3nKx3Ssc5HxRPa4W225NXI8HkyeAWkWY794cSR02yGd6AhxvhmF8Ozq IpvQmbUM4QYlVgo1RCxsr9zEyaVgtNxXhTgHyB8AFM7Rq6wFLlkjZ7oXmLu1R0MePoyx qRRP5pVd+pjjXWy6AZxwxGuHqb8re/EW63TeLfaIWIYBZo8H1M4letVz7Pyd1UnmFdSJ 50JA== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=V7incWrLVqMEbpM3F9VB76bzZvqjpEZwM1jn+oTmATM=; b=t6I9KvcXK2G3QhSaPPyiYh6Nevue7hPevi1S0m3j8fhB+ip8ezha0/jyb40ojOdIes zquSNTuePZ+cPCAus6WJb0kf8EySUbqdE/XPlZgaxgdJQ1sxWEjdR/2ollK+FZSHOIhz oBr+M/XPERij/z7n6/acenZbSwZwXlgymHi+IkKO0bJvwH4uapQKOJ+CGHGTHDOjtMYo pWuh9ZBicBwK2auuHueEBaiy34HSoHMFsUUq2JK3dyx88n5tvLNji5RHtOso9HJyeERO RNr578m5EqxtiEiP6vLcFBar84Wym8AJCetSfaVQIJHPdJbKIxF9LPlQ00lR5QM92qcM 4b0w== X-Gm-Message-State: AOUpUlFEavBsMVXPv7Uh4UBkGhM5hgOHSlwiHQuuOAzOmDWqaLK5oCDY /9vn8XL1CAkQVE3s3zuNxZOMz7ls X-Google-Smtp-Source: AAOMgpfz9VmrRni+9U70rTRJ1x0tCTs4jlQkLA2o3z8qL/AMZiIg84Cop5ZeZ/Gmouhg8mAgfYhEJw== X-Received: by 2002:a17:902:7c12:: with SMTP id x18-v6mr4846573pll.23.1532272401385; Sun, 22 Jul 2018 08:13:21 -0700 (PDT) Received: from localhost.localdomain (i153-145-22-9.s42.a013.ap.plala.or.jp. [153.145.22.9]) by smtp.gmail.com with ESMTPSA id v6-v6sm12092940pfa.28.2018.07.22.08.13.19 (version=TLS1_2 cipher=ECDHE-RSA-CHACHA20-POLY1305 bits=256/256); Sun, 22 Jul 2018 08:13:20 -0700 (PDT) From: Toshiaki Makita To: netdev@vger.kernel.org, Alexei Starovoitov , Daniel Borkmann Cc: Toshiaki Makita , Jesper Dangaard Brouer Subject: [PATCH v3 bpf-next 1/8] net: Export skb_headers_offset_update Date: Mon, 23 Jul 2018 00:13:01 +0900 Message-Id: <20180722151308.5480-2-toshiaki.makita1@gmail.com> X-Mailer: git-send-email 2.14.3 In-Reply-To: <20180722151308.5480-1-toshiaki.makita1@gmail.com> References: <20180722151308.5480-1-toshiaki.makita1@gmail.com> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Toshiaki Makita This is needed for veth XDP which does skb_copy_expand()-like operation. v2: - Drop skb_copy_header part because it has already been exported now. Signed-off-by: Toshiaki Makita --- include/linux/skbuff.h | 1 + net/core/skbuff.c | 3 ++- 2 files changed, 3 insertions(+), 1 deletion(-) diff --git a/include/linux/skbuff.h b/include/linux/skbuff.h index fd3cb1b247df..f6929688853a 100644 --- a/include/linux/skbuff.h +++ b/include/linux/skbuff.h @@ -1035,6 +1035,7 @@ static inline struct sk_buff *alloc_skb_fclone(unsigned int size, } struct sk_buff *skb_morph(struct sk_buff *dst, struct sk_buff *src); +void skb_headers_offset_update(struct sk_buff *skb, int off); int skb_copy_ubufs(struct sk_buff *skb, gfp_t gfp_mask); struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t priority); void skb_copy_header(struct sk_buff *new, const struct sk_buff *old); diff --git a/net/core/skbuff.c b/net/core/skbuff.c index 0c1a00672ba9..5366d1660e5b 100644 --- a/net/core/skbuff.c +++ b/net/core/skbuff.c @@ -1291,7 +1291,7 @@ struct sk_buff *skb_clone(struct sk_buff *skb, gfp_t gfp_mask) } EXPORT_SYMBOL(skb_clone); -static void skb_headers_offset_update(struct sk_buff *skb, int off) +void skb_headers_offset_update(struct sk_buff *skb, int off) { /* Only adjust this if it actually is csum_start rather than csum */ if (skb->ip_summed == CHECKSUM_PARTIAL) @@ -1305,6 +1305,7 @@ static void skb_headers_offset_update(struct sk_buff *skb, int off) skb->inner_network_header += off; skb->inner_mac_header += off; } +EXPORT_SYMBOL(skb_headers_offset_update); void skb_copy_header(struct sk_buff *new, const struct sk_buff *old) {