From 716ca530e1c4515d8683c9d5be3d56b301758b66 Mon Sep 17 00:00:00 2001
From: James <>
Date: Wed, 4 Nov 2015 11:49:21 +0000
Subject: trunk-47381

---
 .../615-netfilter_add_xt_id_match.patch            | 95 ++++++++++++++++++++++
 1 file changed, 95 insertions(+)
 create mode 100644 target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch

(limited to 'target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch')

diff --git a/target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch b/target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch
new file mode 100644
index 0000000..45f59a2
--- /dev/null
+++ b/target/linux/generic/patches-3.18/615-netfilter_add_xt_id_match.patch
@@ -0,0 +1,95 @@
+--- a/include/uapi/linux/netfilter/Kbuild
++++ b/include/uapi/linux/netfilter/Kbuild
+@@ -55,6 +55,7 @@ header-y += xt_ecn.h
+ header-y += xt_esp.h
+ header-y += xt_hashlimit.h
+ header-y += xt_helper.h
++header-y += xt_id.h
+ header-y += xt_ipcomp.h
+ header-y += xt_iprange.h
+ header-y += xt_ipvs.h
+--- /dev/null
++++ b/include/uapi/linux/netfilter/xt_id.h
+@@ -0,0 +1,8 @@
++#ifndef _XT_ID_H
++#define _XT_ID_H
++
++struct xt_id_info {
++	u32 id;
++};
++
++#endif /* XT_ID_H */
+--- a/net/netfilter/Kconfig
++++ b/net/netfilter/Kconfig
+@@ -1157,6 +1157,13 @@ config NETFILTER_XT_MATCH_IPCOMP
+ 
+ 	  To compile it as a module, choose M here.  If unsure, say N.
+ 
++config NETFILTER_XT_MATCH_ID
++	tristate '"id" match support'
++	depends on NETFILTER_ADVANCED
++	---help---
++	This option adds a `id' dummy-match, which allows you to put
++	numeric IDs into your iptables ruleset.
++
+ config NETFILTER_XT_MATCH_IPRANGE
+ 	tristate '"iprange" address range match support'
+ 	depends on NETFILTER_ADVANCED
+--- a/net/netfilter/Makefile
++++ b/net/netfilter/Makefile
+@@ -143,6 +143,7 @@ obj-$(CONFIG_NETFILTER_XT_MATCH_ESP) +=
+ obj-$(CONFIG_NETFILTER_XT_MATCH_HASHLIMIT) += xt_hashlimit.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_HELPER) += xt_helper.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_HL) += xt_hl.o
++obj-$(CONFIG_NETFILTER_XT_MATCH_ID) += xt_id.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_IPCOMP) += xt_ipcomp.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_IPRANGE) += xt_iprange.o
+ obj-$(CONFIG_NETFILTER_XT_MATCH_IPVS) += xt_ipvs.o
+--- /dev/null
++++ b/net/netfilter/xt_id.c
+@@ -0,0 +1,45 @@
++/*
++ * Implements a dummy match to allow attaching IDs to rules
++ *
++ * 2014-08-01 Jo-Philipp Wich <jow@openwrt.org>
++ */
++
++#include <linux/module.h>
++#include <linux/skbuff.h>
++#include <linux/netfilter/x_tables.h>
++#include <linux/netfilter/xt_id.h>
++
++MODULE_AUTHOR("Jo-Philipp Wich <jow@openwrt.org>");
++MODULE_DESCRIPTION("Xtables: No-op match which can be tagged with a 32bit ID");
++MODULE_LICENSE("GPL");
++MODULE_ALIAS("ipt_id");
++MODULE_ALIAS("ip6t_id");
++
++static bool
++id_mt(const struct sk_buff *skb, struct xt_action_param *par)
++{
++	/* We always match */
++	return true;
++}
++
++static struct xt_match id_mt_reg __read_mostly = {
++	.name      = "id",
++	.revision  = 0,
++	.family    = NFPROTO_UNSPEC,
++	.match     = id_mt,
++	.matchsize = sizeof(struct xt_id_info),
++	.me        = THIS_MODULE,
++};
++
++static int __init id_mt_init(void)
++{
++	return xt_register_match(&id_mt_reg);
++}
++
++static void __exit id_mt_exit(void)
++{
++	xt_unregister_match(&id_mt_reg);
++}
++
++module_init(id_mt_init);
++module_exit(id_mt_exit);
-- 
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