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0d5a874445
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@27179 3c298f89-4303-0410-b956-a3cf2f4a3e73
27 lines
957 B
Diff
27 lines
957 B
Diff
From: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
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Date: Tue, 10 May 2011 08:00:21 +0000 (+0200)
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Subject: netfilter: IPv6: fix DSCP mangle code
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X-Git-Tag: v2.6.39~15^2~13^2~1
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X-Git-Url: http://git390.marist.edu/cgi-bin/gitweb.cgi?p=linux-2.6.git;a=commitdiff_plain;h=1ed2f73d90fb49bcf5704aee7e9084adb882bfc5
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netfilter: IPv6: fix DSCP mangle code
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The mask indicates the bits one wants to zero out, so it needs to be
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inverted before applying to the original TOS field.
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Signed-off-by: Fernando Luis Vazquez Cao <fernando@oss.ntt.co.jp>
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Signed-off-by: Pablo Neira Ayuso <pablo@netfilter.org>
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---
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--- a/net/netfilter/xt_DSCP.c
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+++ b/net/netfilter/xt_DSCP.c
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@@ -99,7 +99,7 @@ tos_tg6(struct sk_buff *skb, const struc
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u_int8_t orig, nv;
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orig = ipv6_get_dsfield(iph);
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- nv = (orig & info->tos_mask) ^ info->tos_value;
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+ nv = (orig & ~info->tos_mask) ^ info->tos_value;
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if (orig != nv) {
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if (!skb_make_writable(skb, sizeof(struct iphdr)))
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