netfilter: ipt_addrtype: rename to xt_addrtype

Followup patch will add ipv6 support.

ipt_addrtype.h is retained for compatibility reasons, but no longer used
by the kernel.

Signed-off-by: Florian Westphal <fwestphal@astaro.com>
Signed-off-by: Patrick McHardy <kaber@trash.net>

3 files changed, 0 insertions, 145 deletions

diff --git a/net/ipv4/netfilter/Kconfig b/net/ipv4/netfilter/Kconfig
index f926a310075d..1dfc18a03fd4 100644
--- a/net/ipv4/netfilter/Kconfig
+++ b/net/ipv4/netfilter/Kconfig
@@ -64,16 +64,6 @@ config IP_NF_IPTABLES
 if IP_NF_IPTABLES
 
 # The matches.
-config IP_NF_MATCH_ADDRTYPE
-        tristate '"addrtype" address type match support'
-        depends on NETFILTER_ADVANCED
-        help
-          This option allows you to match what routing thinks of an address,
-          eg. UNICAST, LOCAL, BROADCAST, ...
-
-          If you want to compile it as a module, say M here and read
-          <file:Documentation/kbuild/modules.txt>.  If unsure, say `N'.
-
 config IP_NF_MATCH_AH
         tristate '"ah" match support'
         depends on NETFILTER_ADVANCED
diff --git a/net/ipv4/netfilter/Makefile b/net/ipv4/netfilter/Makefile
index 19eb59d01037..dca2082ec683 100644
--- a/net/ipv4/netfilter/Makefile
+++ b/net/ipv4/netfilter/Makefile
@@ -48,7 +48,6 @@ obj-$(CONFIG_IP_NF_RAW) += iptable_raw.o
 obj-$(CONFIG_IP_NF_SECURITY) += iptable_security.o
 
 # matches
-obj-$(CONFIG_IP_NF_MATCH_ADDRTYPE) += ipt_addrtype.o
 obj-$(CONFIG_IP_NF_MATCH_AH) += ipt_ah.o
 obj-$(CONFIG_IP_NF_MATCH_ECN) += ipt_ecn.o
 
diff --git a/net/ipv4/netfilter/ipt_addrtype.c b/net/ipv4/netfilter/ipt_addrtype.c
deleted file mode 100644
index db8bff0fb86d..000000000000
--- a/net/ipv4/netfilter/ipt_addrtype.c
+++ /dev/null
@@ -1,134 +0,0 @@
-/*
- *  iptables module to match inet_addr_type() of an ip.
- *
- *  Copyright (c) 2004 Patrick McHardy <kaber@trash.net>
- *  (C) 2007 Laszlo Attila Toth <panther@balabit.hu>
- *
- *  This program is free software; you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License version 2 as
- *  published by the Free Software Foundation.
- */
-#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
-#include <linux/kernel.h>
-#include <linux/module.h>
-#include <linux/skbuff.h>
-#include <linux/netdevice.h>
-#include <linux/ip.h>
-#include <net/route.h>
-
-#include <linux/netfilter_ipv4/ipt_addrtype.h>
-#include <linux/netfilter/x_tables.h>
-
-MODULE_LICENSE("GPL");
-MODULE_AUTHOR("Patrick McHardy <kaber@trash.net>");
-MODULE_DESCRIPTION("Xtables: address type match for IPv4");
-
-static inline bool match_type(struct net *net, const struct net_device *dev,
-                              __be32 addr, u_int16_t mask)
-{
-        return !!(mask & (1 << inet_dev_addr_type(net, dev, addr)));
-}
-
-static bool
-addrtype_mt_v0(const struct sk_buff *skb, struct xt_action_param *par)
-{
-        struct net *net = dev_net(par->in ? par->in : par->out);
-        const struct ipt_addrtype_info *info = par->matchinfo;
-        const struct iphdr *iph = ip_hdr(skb);
-        bool ret = true;
-
-        if (info->source)
-                ret &= match_type(net, NULL, iph->saddr, info->source) ^
-                       info->invert_source;
-        if (info->dest)
-                ret &= match_type(net, NULL, iph->daddr, info->dest) ^
-                       info->invert_dest;
-
-        return ret;
-}
-
-static bool
-addrtype_mt_v1(const struct sk_buff *skb, struct xt_action_param *par)
-{
-        struct net *net = dev_net(par->in ? par->in : par->out);
-        const struct ipt_addrtype_info_v1 *info = par->matchinfo;
-        const struct iphdr *iph = ip_hdr(skb);
-        const struct net_device *dev = NULL;
-        bool ret = true;
-
-        if (info->flags & IPT_ADDRTYPE_LIMIT_IFACE_IN)
-                dev = par->in;
-        else if (info->flags & IPT_ADDRTYPE_LIMIT_IFACE_OUT)
-                dev = par->out;
-
-        if (info->source)
-                ret &= match_type(net, dev, iph->saddr, info->source) ^
-                       (info->flags & IPT_ADDRTYPE_INVERT_SOURCE);
-        if (ret && info->dest)
-                ret &= match_type(net, dev, iph->daddr, info->dest) ^
-                       !!(info->flags & IPT_ADDRTYPE_INVERT_DEST);
-        return ret;
-}
-
-static int addrtype_mt_checkentry_v1(const struct xt_mtchk_param *par)
-{
-        struct ipt_addrtype_info_v1 *info = par->matchinfo;
-
-        if (info->flags & IPT_ADDRTYPE_LIMIT_IFACE_IN &&
-            info->flags & IPT_ADDRTYPE_LIMIT_IFACE_OUT) {
-                pr_info("both incoming and outgoing "
-                        "interface limitation cannot be selected\n");
-                return -EINVAL;
-        }
-
-        if (par->hook_mask & ((1 << NF_INET_PRE_ROUTING) |
-            (1 << NF_INET_LOCAL_IN)) &&
-            info->flags & IPT_ADDRTYPE_LIMIT_IFACE_OUT) {
-                pr_info("output interface limitation "
-                        "not valid in PREROUTING and INPUT\n");
-                return -EINVAL;
-        }
-
-        if (par->hook_mask & ((1 << NF_INET_POST_ROUTING) |
-            (1 << NF_INET_LOCAL_OUT)) &&
-            info->flags & IPT_ADDRTYPE_LIMIT_IFACE_IN) {
-                pr_info("input interface limitation "
-                        "not valid in POSTROUTING and OUTPUT\n");
-                return -EINVAL;
-        }
-
-        return 0;
-}
-
-static struct xt_match addrtype_mt_reg[] __read_mostly = {
-        {
-                .name           = "addrtype",
-                .family         = NFPROTO_IPV4,
-                .match          = addrtype_mt_v0,
-                .matchsize      = sizeof(struct ipt_addrtype_info),
-                .me             = THIS_MODULE
-        },
-        {
-                .name           = "addrtype",
-                .family         = NFPROTO_IPV4,
-                .revision       = 1,
-                .match          = addrtype_mt_v1,
-                .checkentry     = addrtype_mt_checkentry_v1,
-                .matchsize      = sizeof(struct ipt_addrtype_info_v1),
-                .me             = THIS_MODULE
-        }
-};
-
-static int __init addrtype_mt_init(void)
-{
-        return xt_register_matches(addrtype_mt_reg,
-                                   ARRAY_SIZE(addrtype_mt_reg));
-}
-
-static void __exit addrtype_mt_exit(void)
-{
-        xt_unregister_matches(addrtype_mt_reg, ARRAY_SIZE(addrtype_mt_reg));
-}
-
-module_init(addrtype_mt_init);
-module_exit(addrtype_mt_exit);