From patchwork Mon May 10 20:17:33 2010 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Patrick McHardy X-Patchwork-Id: 52218 X-Patchwork-Delegate: davem@davemloft.net Return-Path: X-Original-To: patchwork-incoming@ozlabs.org Delivered-To: patchwork-incoming@ozlabs.org Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by ozlabs.org (Postfix) with ESMTP id 1B9F5B7D66 for ; Tue, 11 May 2010 06:26:16 +1000 (EST) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1756627Ab0EJUS7 (ORCPT ); Mon, 10 May 2010 16:18:59 -0400 Received: from stinky.trash.net ([213.144.137.162]:54500 "EHLO stinky.trash.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1756566Ab0EJUS6 (ORCPT ); Mon, 10 May 2010 16:18:58 -0400 Received: from localhost.localdomain (localhost [127.0.0.1]) by stinky.trash.net (Postfix) with ESMTP id C6B77B2C68; Mon, 10 May 2010 22:18:56 +0200 (MEST) From: kaber@trash.net To: davem@davemloft.net Cc: netfilter-devel@vger.kernel.org, netdev@vger.kernel.org Subject: [PATCH 02/84] netfilter: ebt_ip6: Use ipv6_masked_addr_cmp() Date: Mon, 10 May 2010 22:17:33 +0200 Message-Id: <1273522735-24672-3-git-send-email-kaber@trash.net> X-Mailer: git-send-email 1.7.0.4 In-Reply-To: <1273522735-24672-1-git-send-email-kaber@trash.net> References: <1273522735-24672-1-git-send-email-kaber@trash.net> Sender: netdev-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: netdev@vger.kernel.org From: YOSHIFUJI Hideaki Signed-off-by: YOSHIFUJI Hideaki Signed-off-by: Bart De Schuymer Signed-off-by: Patrick McHardy --- net/bridge/netfilter/ebt_ip6.c | 18 ++++-------------- 1 files changed, 4 insertions(+), 14 deletions(-) diff --git a/net/bridge/netfilter/ebt_ip6.c b/net/bridge/netfilter/ebt_ip6.c index bbf2534..4644cc9 100644 --- a/net/bridge/netfilter/ebt_ip6.c +++ b/net/bridge/netfilter/ebt_ip6.c @@ -35,8 +35,6 @@ ebt_ip6_mt(const struct sk_buff *skb, const struct xt_match_param *par) struct ipv6hdr _ip6h; const struct tcpudphdr *pptr; struct tcpudphdr _ports; - struct in6_addr tmp_addr; - int i; ih6 = skb_header_pointer(skb, 0, sizeof(_ip6h), &_ip6h); if (ih6 == NULL) @@ -44,18 +42,10 @@ ebt_ip6_mt(const struct sk_buff *skb, const struct xt_match_param *par) if (info->bitmask & EBT_IP6_TCLASS && FWINV(info->tclass != ipv6_get_dsfield(ih6), EBT_IP6_TCLASS)) return false; - for (i = 0; i < 4; i++) - tmp_addr.in6_u.u6_addr32[i] = ih6->saddr.in6_u.u6_addr32[i] & - info->smsk.in6_u.u6_addr32[i]; - if (info->bitmask & EBT_IP6_SOURCE && - FWINV((ipv6_addr_cmp(&tmp_addr, &info->saddr) != 0), - EBT_IP6_SOURCE)) - return false; - for (i = 0; i < 4; i++) - tmp_addr.in6_u.u6_addr32[i] = ih6->daddr.in6_u.u6_addr32[i] & - info->dmsk.in6_u.u6_addr32[i]; - if (info->bitmask & EBT_IP6_DEST && - FWINV((ipv6_addr_cmp(&tmp_addr, &info->daddr) != 0), EBT_IP6_DEST)) + if (FWINV(ipv6_masked_addr_cmp(&ih6->saddr, &info->smsk, + &info->saddr), EBT_IP6_SOURCE) || + FWINV(ipv6_masked_addr_cmp(&ih6->daddr, &info->dmsk, + &info->daddr), EBT_IP6_DEST)) return false; if (info->bitmask & EBT_IP6_PROTO) { uint8_t nexthdr = ih6->nexthdr;