Add libipt_IMQ, fixes #396

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@3452 3c298f89-4303-0410-b956-a3cf2f4a3e73

openwrt/package/iptables/Config.in

@@ -24,6 +24,7 @@ config BR2_PACKAGE_IPTABLES_EXTRA
 	select BR2_PACKAGE_IPTABLES_MOD_CONNTRACK
 	select BR2_PACKAGE_IPTABLES_MOD_EXTRA
 	select BR2_PACKAGE_IPTABLES_MOD_FILTER
+	select BR2_PACKAGE_IPTABLES_MOD_IMQ
 	select BR2_PACKAGE_IPTABLES_MOD_IPOPT
 	select BR2_PACKAGE_IPTABLES_MOD_IPSEC
 	select BR2_PACKAGE_IPTABLES_MOD_NAT
@@ -58,6 +59,18 @@ config BR2_PACKAGE_IPTABLES_MOD_FILTER
             * libipt_ipp2p
             * libipt_layer7
 
+config BR2_PACKAGE_IPTABLES_MOD_IMQ
+       	prompt "iptables-mod-imq................ Iptables extensions for Intermediate Queuing Device QoS-support"
+       	tristate
+       	default m if CONFIG_DEVEL
+       	depends BR2_PACKAGE_IPTABLES
+       	select BR2_PACKAGE_KMOD_IMQ
+       	help
+          Iptables (IPv4) extensions for Intermediate Queuing Device QoS-support
+
+          Includes:
+            * libipt_IMQ
+
 config BR2_PACKAGE_IPTABLES_MOD_IPOPT
 	prompt   "iptables-mod-ipopt.............. Iptables extensions for matching/changing IP packet options"
 	tristate

openwrt/package/iptables/patches/05-imq1.patch

@@ -0,0 +1,224 @@
+diff -urN iptables.old/extensions/.IMQ-test iptables.dev/extensions/.IMQ-test
+--- iptables.old/extensions/.IMQ-test	1970-01-01 01:00:00.000000000 +0100
++++ iptables.dev/extensions/.IMQ-test	2005-10-09 01:00:36.358959750 +0200
+@@ -0,0 +1,3 @@
++#!/bin/sh
++# True if IMQ target patch is applied.
++[ -f $KERNEL_DIR/net/ipv4/netfilter/ipt_IMQ.c ] && echo IMQ
+diff -urN iptables.old/extensions/.IMQ-test6 iptables.dev/extensions/.IMQ-test6
+--- iptables.old/extensions/.IMQ-test6	1970-01-01 01:00:00.000000000 +0100
++++ iptables.dev/extensions/.IMQ-test6	2005-10-09 01:00:36.358959750 +0200
+@@ -0,0 +1,3 @@
++#!/bin/sh
++# True if IMQ target patch is applied.
++[ -f $KERNEL_DIR/net/ipv6/netfilter/ip6t_IMQ.c ] && echo IMQ
+diff -urN iptables.old/extensions/libip6t_IMQ.c iptables.dev/extensions/libip6t_IMQ.c
+--- iptables.old/extensions/libip6t_IMQ.c	1970-01-01 01:00:00.000000000 +0100
++++ iptables.dev/extensions/libip6t_IMQ.c	2005-10-09 01:00:36.358959750 +0200
+@@ -0,0 +1,101 @@
++/* Shared library add-on to iptables to add IMQ target support. */
++#include <stdio.h>
++#include <string.h>
++#include <stdlib.h>
++#include <getopt.h>
++
++#include <ip6tables.h>
++#include <linux/netfilter_ipv6/ip6_tables.h>
++#include <linux/netfilter_ipv6/ip6t_IMQ.h>
++
++/* Function which prints out usage message. */
++static void
++help(void)
++{
++	printf(
++"IMQ target v%s options:\n"
++"  --todev <N>		enqueue to imq<N>, defaults to 0\n", 
++IPTABLES_VERSION);
++}
++
++static struct option opts[] = {
++	{ "todev", 1, 0, '1' },
++	{ 0 }
++};
++
++/* Initialize the target. */
++static void
++init(struct ip6t_entry_target *t, unsigned int *nfcache)
++{
++	struct ip6t_imq_info *mr = (struct ip6t_imq_info*)t->data;
++
++	mr->todev = 0;
++	*nfcache |= NFC_UNKNOWN;
++}
++
++/* Function which parses command options; returns true if it
++   ate an option */
++static int
++parse(int c, char **argv, int invert, unsigned int *flags,
++      const struct ip6t_entry *entry,
++      struct ip6t_entry_target **target)
++{
++	struct ip6t_imq_info *mr = (struct ip6t_imq_info*)(*target)->data;
++	
++	switch(c) {
++	case '1':
++		if (check_inverse(optarg, &invert, NULL, 0))
++			exit_error(PARAMETER_PROBLEM,
++				   "Unexpected `!' after --todev");
++		mr->todev=atoi(optarg);
++		break;
++	default:
++		return 0;
++	}
++	return 1;
++}
++
++static void
++final_check(unsigned int flags)
++{
++}
++
++/* Prints out the targinfo. */
++static void
++print(const struct ip6t_ip6 *ip,
++      const struct ip6t_entry_target *target,
++      int numeric)
++{
++	struct ip6t_imq_info *mr = (struct ip6t_imq_info*)target->data;
++
++	printf("IMQ: todev %u ", mr->todev);
++}
++
++/* Saves the union ipt_targinfo in parsable form to stdout. */
++static void
++save(const struct ip6t_ip6 *ip, const struct ip6t_entry_target *target)
++{
++	struct ip6t_imq_info *mr = (struct ip6t_imq_info*)target->data;
++
++	printf("--todev %u", mr->todev);
++}
++
++static struct ip6tables_target imq = {
++	.next		= NULL,
++	.name		= "IMQ",
++	.version	= IPTABLES_VERSION,
++	.size		= IP6T_ALIGN(sizeof(struct ip6t_imq_info)),
++	.userspacesize	= IP6T_ALIGN(sizeof(struct ip6t_imq_info)),
++	.help		= &help,
++	.init		= &init,
++	.parse		= &parse,
++	.final_check	= &final_check,
++	.print		= &print,
++	.save		= &save,
++	.extra_opts	= opts
++};
++
++void _init(void)
++{
++	register_target6(&imq);
++}
+diff -urN iptables.old/extensions/libipt_IMQ.c iptables.dev/extensions/libipt_IMQ.c
+--- iptables.old/extensions/libipt_IMQ.c	1970-01-01 01:00:00.000000000 +0100
++++ iptables.dev/extensions/libipt_IMQ.c	2005-10-09 01:00:36.358959750 +0200
+@@ -0,0 +1,101 @@
++/* Shared library add-on to iptables to add IMQ target support. */
++#include <stdio.h>
++#include <string.h>
++#include <stdlib.h>
++#include <getopt.h>
++
++#include <iptables.h>
++#include <linux/netfilter_ipv4/ip_tables.h>
++#include <linux/netfilter_ipv4/ipt_IMQ.h>
++
++/* Function which prints out usage message. */
++static void
++help(void)
++{
++	printf(
++"IMQ target v%s options:\n"
++"  --todev <N>		enqueue to imq<N>, defaults to 0\n", 
++IPTABLES_VERSION);
++}
++
++static struct option opts[] = {
++	{ "todev", 1, 0, '1' },
++	{ 0 }
++};
++
++/* Initialize the target. */
++static void
++init(struct ipt_entry_target *t, unsigned int *nfcache)
++{
++	struct ipt_imq_info *mr = (struct ipt_imq_info*)t->data;
++
++	mr->todev = 0;
++	*nfcache |= NFC_UNKNOWN;
++}
++
++/* Function which parses command options; returns true if it
++   ate an option */
++static int
++parse(int c, char **argv, int invert, unsigned int *flags,
++      const struct ipt_entry *entry,
++      struct ipt_entry_target **target)
++{
++	struct ipt_imq_info *mr = (struct ipt_imq_info*)(*target)->data;
++	
++	switch(c) {
++	case '1':
++		if (check_inverse(optarg, &invert, NULL, 0))
++			exit_error(PARAMETER_PROBLEM,
++				   "Unexpected `!' after --todev");
++		mr->todev=atoi(optarg);
++		break;
++	default:
++		return 0;
++	}
++	return 1;
++}
++
++static void
++final_check(unsigned int flags)
++{
++}
++
++/* Prints out the targinfo. */
++static void
++print(const struct ipt_ip *ip,
++      const struct ipt_entry_target *target,
++      int numeric)
++{
++	struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data;
++
++	printf("IMQ: todev %u ", mr->todev);
++}
++
++/* Saves the union ipt_targinfo in parsable form to stdout. */
++static void
++save(const struct ipt_ip *ip, const struct ipt_entry_target *target)
++{
++	struct ipt_imq_info *mr = (struct ipt_imq_info*)target->data;
++
++	printf("--todev %u", mr->todev);
++}
++
++static struct iptables_target imq = {
++	.next		= NULL,
++	.name		= "IMQ",
++	.version	= IPTABLES_VERSION,
++	.size		= IPT_ALIGN(sizeof(struct ipt_imq_info)),
++	.userspacesize	= IPT_ALIGN(sizeof(struct ipt_imq_info)),
++	.help		= &help,
++	.init		= &init,
++	.parse		= &parse,
++	.final_check	= &final_check,
++	.print		= &print,
++	.save		= &save,
++	.extra_opts	= opts
++};
++
++void _init(void)
++{
++	register_target(&imq);
++}