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 X-Spam-Level: X-Spam-Status: No, score=-10.0 required=3.0 tests=HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id CBE2FC49ED7 for ; Fri, 13 Sep 2019 15:03:23 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.kernel.org (Postfix) with ESMTP id 729C320830 for ; Fri, 13 Sep 2019 15:03:23 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2390517AbfIMPDW (ORCPT ); Fri, 13 Sep 2019 11:03:22 -0400 Received: from m9784.mail.qiye.163.com ([220.181.97.84]:47441 "EHLO m9784.mail.qiye.163.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2390433AbfIMPDW (ORCPT ); Fri, 13 Sep 2019 11:03:22 -0400 Received: from localhost.localdomain (unknown [123.59.132.129]) by m9784.mail.qiye.163.com (Hmail) with ESMTPA id 96D1741604; Fri, 13 Sep 2019 23:03:11 +0800 (CST) From: wenxu@ucloud.cn To: pablo@netfilter.org Cc: netfilter-devel@vger.kernel.org Subject: [PATCH nf-next v6 1/8] netfilter: nft_tunnel: add nft_tunnel_mode_validate function Date: Fri, 13 Sep 2019 23:03:03 +0800 Message-Id: <1568386990-29660-2-git-send-email-wenxu@ucloud.cn> X-Mailer: git-send-email 1.8.3.1 In-Reply-To: <1568386990-29660-1-git-send-email-wenxu@ucloud.cn> References: <1568386990-29660-1-git-send-email-wenxu@ucloud.cn> X-HM-Spam-Status: e1kfGhgUHx5ZQUtXWQgYFAkeWUFZVklVSk5KS0tLSU1KSEtNTE1ZV1koWU FJQjdXWS1ZQUlXWQkOFx4IWUFZNTQpNjo3JCkuNz5ZBg++ X-HM-Sender-Digest: e1kMHhlZQR0aFwgeV1kSHx4VD1lBWUc6PDY6Ejo*HTg2TCs9PzI*Dx8T CRhPCi9VSlVKTk1DSENNQkJKTU5NVTMWGhIXVQweFQMOOw4YFxQOH1UYFUVZV1kSC1lBWUpJSFVO QlVKSElVSklCWVdZCAFZQUlDTEo3Bg++ X-HM-Tid: 0a6d2b26460a2086kuqy96d1741604 Sender: netfilter-devel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netfilter-devel@vger.kernel.org From: wenxu Move mode validate common code to nft_tunnel_mode_validate function. Signed-off-by: wenxu --- net/netfilter/nft_tunnel.c | 25 +++++++++++++++---------- 1 file changed, 15 insertions(+), 10 deletions(-) diff --git a/net/netfilter/nft_tunnel.c b/net/netfilter/nft_tunnel.c index 3d4c2ae..78b6e8f 100644 --- a/net/netfilter/nft_tunnel.c +++ b/net/netfilter/nft_tunnel.c @@ -18,6 +18,19 @@ struct nft_tunnel { enum nft_tunnel_mode mode:8; }; +static bool nft_tunnel_mode_validate(enum nft_tunnel_mode priv_mode, + u8 tun_mode) +{ + if (priv_mode == NFT_TUNNEL_MODE_NONE || + (priv_mode == NFT_TUNNEL_MODE_RX && + !(tun_mode & IP_TUNNEL_INFO_TX)) || + (priv_mode == NFT_TUNNEL_MODE_TX && + (tun_mode & IP_TUNNEL_INFO_TX))) + return true; + + return false; +} + static void nft_tunnel_get_eval(const struct nft_expr *expr, struct nft_regs *regs, const struct nft_pktinfo *pkt) @@ -34,11 +47,7 @@ static void nft_tunnel_get_eval(const struct nft_expr *expr, nft_reg_store8(dest, false); return; } - if (priv->mode == NFT_TUNNEL_MODE_NONE || - (priv->mode == NFT_TUNNEL_MODE_RX && - !(tun_info->mode & IP_TUNNEL_INFO_TX)) || - (priv->mode == NFT_TUNNEL_MODE_TX && - (tun_info->mode & IP_TUNNEL_INFO_TX))) + if (nft_tunnel_mode_validate(priv->mode, tun_info->mode)) nft_reg_store8(dest, true); else nft_reg_store8(dest, false); @@ -48,11 +57,7 @@ static void nft_tunnel_get_eval(const struct nft_expr *expr, regs->verdict.code = NFT_BREAK; return; } - if (priv->mode == NFT_TUNNEL_MODE_NONE || - (priv->mode == NFT_TUNNEL_MODE_RX && - !(tun_info->mode & IP_TUNNEL_INFO_TX)) || - (priv->mode == NFT_TUNNEL_MODE_TX && - (tun_info->mode & IP_TUNNEL_INFO_TX))) + if (nft_tunnel_mode_validate(priv->mode, tun_info->mode)) *dest = ntohl(tunnel_id_to_key32(tun_info->key.tun_id)); else regs->verdict.code = NFT_BREAK; -- 1.8.3.1