From patchwork Tue Nov 26 10:07:29 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Prashant Bhole X-Patchwork-Id: 1200915 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming-netdev@ozlabs.org Delivered-To: patchwork-incoming-netdev@ozlabs.org Authentication-Results: ozlabs.org; spf=none (no SPF record) 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="LIZgXrZn"; dkim-atps=neutral Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 47Mfkb6grqz9sQy for ; Tue, 26 Nov 2019 21:08:55 +1100 (AEDT) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1727825AbfKZKIz (ORCPT ); Tue, 26 Nov 2019 05:08:55 -0500 Received: from mail-pl1-f194.google.com ([209.85.214.194]:33157 "EHLO mail-pl1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1727817AbfKZKIy (ORCPT ); Tue, 26 Nov 2019 05:08:54 -0500 Received: by mail-pl1-f194.google.com with SMTP id ay6so7955187plb.0; Tue, 26 Nov 2019 02:08:54 -0800 (PST) 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 :mime-version:content-transfer-encoding; bh=2bAHX0FXOgqRwz29p5ya1CXvQIHb2CLin8kXdVB/0KE=; b=LIZgXrZnUx86XNNP0wmHAcrNw9/JIZ8Z/K+g4m7VRaHAmOxfSZCyPu0eA26cNr146y o7pf4ACxMyylsjo6uGEODbNQv8BRy46PhL70owQw/xwCKefsVPclpEamrqGo72ehYh+9 v63wDQiT5CznqvW3e78uI6rd3/N+sk3gekTAk9Ai4rTTvwCGcYckKvWPtFjd9xcw1oOG 8R1NnTguMJFxf9tZ09BhOA6+IrzVhQlaOh9GYKE9/yZf9zK1SwVLEIg5oFO2RFCUDefS 13vpeM20b7IeXPytkqCO5Efyk0g/6IAoInedl5KOOFZshV6zSMntUF6MhlF1jpnMUsy2 W+Ig== 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:mime-version:content-transfer-encoding; bh=2bAHX0FXOgqRwz29p5ya1CXvQIHb2CLin8kXdVB/0KE=; b=d6JOmqBcdUBiiHvSnCpFV6Bf+c2pPk1n120/c5higyNKPqXJDKPk9HuoJOB259SuVR AklUuIRgP95tEz7j+k9RbpBihlx+5jeDEOzuEz4arYQ+qTmYU4SjVXcLlhqc+JhIlBJG xtWHQVjUCXlWB3R7nS76fuMz9Z/hOnX8DM4Z5nvB5gFtsj3/hC7TJdK/IrpObrFNA4s2 oyskWcXsqGIh9wlJpD1TeGzAjI5TFCwcY7LkV9rvkPfeqU9jwNEi29+htMaSNGDk31UU 178ZNXC6+cCkTQN6ls+tQ76sricmUptjPtZ/s+johAyLqYQ3Tmg1fpiVjXBD/Dl0H60m iplw== X-Gm-Message-State: APjAAAUIczKZ2gLSz5nMbvq/uBAcpcQVNQhf0RYP5INQeg/eOJ4P5hqr j/21TcwWqDzT2YUO4XD5FjE= X-Google-Smtp-Source: APXvYqyvpP2N7hYAzxx2bd4M9VJ+Jp8Kjxs/E28fT/8KVvvGyoey0uyI2syTr1ITSFDcJg6CMebg+A== X-Received: by 2002:a17:902:7290:: with SMTP id d16mr32584601pll.340.1574762933671; Tue, 26 Nov 2019 02:08:53 -0800 (PST) Received: from localhost.localdomain ([222.151.198.97]) by smtp.gmail.com with ESMTPSA id s24sm11848485pfh.108.2019.11.26.02.08.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Tue, 26 Nov 2019 02:08:53 -0800 (PST) From: Prashant Bhole To: "David S . Miller" , "Michael S . Tsirkin" Cc: Jason Wang , Alexei Starovoitov , Daniel Borkmann , Jakub Kicinski , Jesper Dangaard Brouer , John Fastabend , Martin KaFai Lau , Song Liu , Yonghong Song , Andrii Nakryiko , netdev@vger.kernel.org, qemu-devel@nongnu.org, kvm@vger.kernel.org, Prashant Bhole Subject: [RFC net-next 03/18] net: core: export do_xdp_generic_core() Date: Tue, 26 Nov 2019 19:07:29 +0900 Message-Id: <20191126100744.5083-4-prashantbhole.linux@gmail.com> X-Mailer: git-send-email 2.21.0 In-Reply-To: <20191126100744.5083-1-prashantbhole.linux@gmail.com> References: <20191126100744.5083-1-prashantbhole.linux@gmail.com> MIME-Version: 1.0 Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: Jason Wang Let's export do_xdp_generic as a general purpose function. It will just run XDP program on skb but will not handle XDP actions. Signed-off-by: Jason Wang Signed-off-by: Prashant Bhole --- include/linux/netdevice.h | 2 ++ net/core/dev.c | 6 +++--- 2 files changed, 5 insertions(+), 3 deletions(-) diff --git a/include/linux/netdevice.h b/include/linux/netdevice.h index 9e6fb8524d91..2b6317ac9795 100644 --- a/include/linux/netdevice.h +++ b/include/linux/netdevice.h @@ -3648,6 +3648,8 @@ static inline void dev_consume_skb_any(struct sk_buff *skb) void generic_xdp_tx(struct sk_buff *skb, struct bpf_prog *xdp_prog); int do_xdp_generic(struct bpf_prog *xdp_prog, struct sk_buff *skb); +u32 do_xdp_generic_core(struct sk_buff *skb, struct xdp_buff *xdp, + struct bpf_prog *xdp_prog); int netif_rx(struct sk_buff *skb); int netif_rx_ni(struct sk_buff *skb); int netif_receive_skb(struct sk_buff *skb); diff --git a/net/core/dev.c b/net/core/dev.c index 5ae647b9914f..d97c3f35e047 100644 --- a/net/core/dev.c +++ b/net/core/dev.c @@ -4461,9 +4461,8 @@ static struct netdev_rx_queue *netif_get_rxqueue(struct sk_buff *skb) return rxqueue; } -static u32 do_xdp_generic_core(struct sk_buff *skb, - struct xdp_buff *xdp, - struct bpf_prog *xdp_prog) +u32 do_xdp_generic_core(struct sk_buff *skb, struct xdp_buff *xdp, + struct bpf_prog *xdp_prog) { struct netdev_rx_queue *rxqueue; void *orig_data, *orig_data_end; @@ -4574,6 +4573,7 @@ static u32 do_xdp_generic_core(struct sk_buff *skb, return act; } +EXPORT_SYMBOL_GPL(do_xdp_generic_core); /* When doing generic XDP we have to bypass the qdisc layer and the * network taps in order to match in-driver-XDP behavior.