netfilter: move Ebtables to use Xtables

Signed-off-by: Jan Engelhardt <jengelh@medozas.de>
Signed-off-by: Patrick McHardy <kaber@trash.net>

20 files changed, 148 insertions, 188 deletions

diff --git a/net/bridge/netfilter/Kconfig b/net/bridge/netfilter/Kconfig
index 909479794999..e7c197ffb2f4 100644
--- a/net/bridge/netfilter/Kconfig
+++ b/net/bridge/netfilter/Kconfig
@@ -7,6 +7,7 @@ menu "Bridge: Netfilter Configuration"
 
 config BRIDGE_NF_EBTABLES
         tristate "Ethernet Bridge tables (ebtables) support"
+        select NETFILTER_XTABLES
         help
           ebtables is a general, extensible frame/packet identification
           framework. Say 'Y' or 'M' here if you want to do Ethernet
diff --git a/net/bridge/netfilter/ebt_802_3.c b/net/bridge/netfilter/ebt_802_3.c
index 6f1a69c28ed9..6fc2a59e09a1 100644
--- a/net/bridge/netfilter/ebt_802_3.c
+++ b/net/bridge/netfilter/ebt_802_3.c
@@ -51,8 +51,8 @@ ebt_802_3_mt_check(const char *table, const void *entry,
         return true;
 }
 
-static struct ebt_match filter_802_3 __read_mostly = {
-        .name           = EBT_802_3_MATCH,
+static struct xt_match ebt_802_3_mt_reg __read_mostly = {
+        .name           = "802_3",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_802_3_mt,
@@ -63,12 +63,12 @@ static struct ebt_match filter_802_3 __read_mostly = {
 
 static int __init ebt_802_3_init(void)
 {
-        return ebt_register_match(&filter_802_3);
+        return xt_register_match(&ebt_802_3_mt_reg);
 }
 
 static void __exit ebt_802_3_fini(void)
 {
-        ebt_unregister_match(&filter_802_3);
+        xt_unregister_match(&ebt_802_3_mt_reg);
 }
 
 module_init(ebt_802_3_init);
diff --git a/net/bridge/netfilter/ebt_among.c b/net/bridge/netfilter/ebt_among.c
index 84a306f085b5..084559e1840f 100644
--- a/net/bridge/netfilter/ebt_among.c
+++ b/net/bridge/netfilter/ebt_among.c
@@ -7,12 +7,12 @@
  *  August, 2003
  *
  */
-
-#include <linux/netfilter_bridge/ebtables.h>
-#include <linux/netfilter_bridge/ebt_among.h>
 #include <linux/ip.h>
 #include <linux/if_arp.h>
 #include <linux/module.h>
+#include <linux/netfilter/x_tables.h>
+#include <linux/netfilter_bridge/ebtables.h>
+#include <linux/netfilter_bridge/ebt_among.h>
 
 static bool ebt_mac_wormhash_contains(const struct ebt_mac_wormhash *wh,
                                       const char *mac, __be32 ip)
@@ -211,8 +211,8 @@ ebt_among_mt_check(const char *table, const void *entry,
         return true;
 }
 
-static struct ebt_match filter_among __read_mostly = {
-        .name           = EBT_AMONG_MATCH,
+static struct xt_match ebt_among_mt_reg __read_mostly = {
+        .name           = "among",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_among_mt,
@@ -223,12 +223,12 @@ static struct ebt_match filter_among __read_mostly = {
 
 static int __init ebt_among_init(void)
 {
-        return ebt_register_match(&filter_among);
+        return xt_register_match(&ebt_among_mt_reg);
 }
 
 static void __exit ebt_among_fini(void)
 {
-        ebt_unregister_match(&filter_among);
+        xt_unregister_match(&ebt_among_mt_reg);
 }
 
 module_init(ebt_among_init);
diff --git a/net/bridge/netfilter/ebt_arp.c b/net/bridge/netfilter/ebt_arp.c
index 6e7cd2f5ad74..a073dffe7a11 100644
--- a/net/bridge/netfilter/ebt_arp.c
+++ b/net/bridge/netfilter/ebt_arp.c
@@ -119,8 +119,8 @@ ebt_arp_mt_check(const char *table, const void *entry,
         return true;
 }
 
-static struct ebt_match filter_arp __read_mostly = {
-        .name           = EBT_ARP_MATCH,
+static struct xt_match ebt_arp_mt_reg __read_mostly = {
+        .name           = "arp",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_arp_mt,
@@ -131,12 +131,12 @@ static struct ebt_match filter_arp __read_mostly = {
 
 static int __init ebt_arp_init(void)
 {
-        return ebt_register_match(&filter_arp);
+        return xt_register_match(&ebt_arp_mt_reg);
 }
 
 static void __exit ebt_arp_fini(void)
 {
-        ebt_unregister_match(&filter_arp);
+        xt_unregister_match(&ebt_arp_mt_reg);
 }
 
 module_init(ebt_arp_init);
diff --git a/net/bridge/netfilter/ebt_arpreply.c b/net/bridge/netfilter/ebt_arpreply.c
index 6f2f65897770..8071b64af46f 100644
--- a/net/bridge/netfilter/ebt_arpreply.c
+++ b/net/bridge/netfilter/ebt_arpreply.c
@@ -78,8 +78,8 @@ ebt_arpreply_tg_check(const char *tablename, const void *entry,
         return true;
 }
 
-static struct ebt_target reply_target __read_mostly = {
-        .name           = EBT_ARPREPLY_TARGET,
+static struct xt_target ebt_arpreply_tg_reg __read_mostly = {
+        .name           = "arpreply",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .target         = ebt_arpreply_tg,
@@ -90,12 +90,12 @@ static struct ebt_target reply_target __read_mostly = {
 
 static int __init ebt_arpreply_init(void)
 {
-        return ebt_register_target(&reply_target);
+        return xt_register_target(&ebt_arpreply_tg_reg);
 }
 
 static void __exit ebt_arpreply_fini(void)
 {
-        ebt_unregister_target(&reply_target);
+        xt_unregister_target(&ebt_arpreply_tg_reg);
 }
 
 module_init(ebt_arpreply_init);
diff --git a/net/bridge/netfilter/ebt_dnat.c b/net/bridge/netfilter/ebt_dnat.c
index b7cc013bd377..d2211c4a477e 100644
--- a/net/bridge/netfilter/ebt_dnat.c
+++ b/net/bridge/netfilter/ebt_dnat.c
@@ -47,8 +47,8 @@ ebt_dnat_tg_check(const char *tablename, const void *entry,
         return true;
 }
 
-static struct ebt_target dnat __read_mostly = {
-        .name           = EBT_DNAT_TARGET,
+static struct xt_target ebt_dnat_tg_reg __read_mostly = {
+        .name           = "dnat",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .target         = ebt_dnat_tg,
@@ -59,12 +59,12 @@ static struct ebt_target dnat __read_mostly = {
 
 static int __init ebt_dnat_init(void)
 {
-        return ebt_register_target(&dnat);
+        return xt_register_target(&ebt_dnat_tg_reg);
 }
 
 static void __exit ebt_dnat_fini(void)
 {
-        ebt_unregister_target(&dnat);
+        xt_unregister_target(&ebt_dnat_tg_reg);
 }
 
 module_init(ebt_dnat_init);
diff --git a/net/bridge/netfilter/ebt_ip.c b/net/bridge/netfilter/ebt_ip.c
index e7f3b1776b02..b42c7ce799b3 100644
--- a/net/bridge/netfilter/ebt_ip.c
+++ b/net/bridge/netfilter/ebt_ip.c
@@ -109,8 +109,8 @@ ebt_ip_mt_check(const char *table, const void *entry,
         return true;
 }
 
-static struct ebt_match filter_ip __read_mostly = {
-        .name           = EBT_IP_MATCH,
+static struct xt_match ebt_ip_mt_reg __read_mostly = {
+        .name           = "ip",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_ip_mt,
@@ -121,12 +121,12 @@ static struct ebt_match filter_ip __read_mostly = {
 
 static int __init ebt_ip_init(void)
 {
-        return ebt_register_match(&filter_ip);
+        return xt_register_match(&ebt_ip_mt_reg);
 }
 
 static void __exit ebt_ip_fini(void)
 {
-        ebt_unregister_match(&filter_ip);
+        xt_unregister_match(&ebt_ip_mt_reg);
 }
 
 module_init(ebt_ip_init);
diff --git a/net/bridge/netfilter/ebt_ip6.c b/net/bridge/netfilter/ebt_ip6.c
index 807685da2934..317e624ae59f 100644
--- a/net/bridge/netfilter/ebt_ip6.c
+++ b/net/bridge/netfilter/ebt_ip6.c
@@ -121,9 +121,8 @@ ebt_ip6_mt_check(const char *table, const void *entry,
         return true;
 }
 
-static struct ebt_match filter_ip6 =
-{
-        .name           = EBT_IP6_MATCH,
+static struct xt_match ebt_ip6_mt_reg __read_mostly = {
+        .name           = "ip6",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_ip6_mt,
@@ -134,12 +133,12 @@ static struct ebt_match filter_ip6 =
 
 static int __init ebt_ip6_init(void)
 {
-        return ebt_register_match(&filter_ip6);
+        return xt_register_match(&ebt_ip6_mt_reg);
 }
 
 static void __exit ebt_ip6_fini(void)
 {
-        ebt_unregister_match(&filter_ip6);
+        xt_unregister_match(&ebt_ip6_mt_reg);
 }
 
 module_init(ebt_ip6_init);
diff --git a/net/bridge/netfilter/ebt_limit.c b/net/bridge/netfilter/ebt_limit.c
index d3372739227e..43d9a5003633 100644
--- a/net/bridge/netfilter/ebt_limit.c
+++ b/net/bridge/netfilter/ebt_limit.c
@@ -89,8 +89,8 @@ ebt_limit_mt_check(const char *table, const void *e,
         return true;
 }
 
-static struct ebt_match ebt_limit_reg __read_mostly = {
-        .name           = EBT_LIMIT_MATCH,
+static struct xt_match ebt_limit_mt_reg __read_mostly = {
+        .name           = "limit",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_limit_mt,
@@ -101,12 +101,12 @@ static struct ebt_match ebt_limit_reg __read_mostly = {
 
 static int __init ebt_limit_init(void)
 {
-        return ebt_register_match(&ebt_limit_reg);
+        return xt_register_match(&ebt_limit_mt_reg);
 }
 
 static void __exit ebt_limit_fini(void)
 {
-        ebt_unregister_match(&ebt_limit_reg);
+        xt_unregister_match(&ebt_limit_mt_reg);
 }
 
 module_init(ebt_limit_init);
diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c
index 424dfdf7f27e..b40f9ed4c343 100644
--- a/net/bridge/netfilter/ebt_log.c
+++ b/net/bridge/netfilter/ebt_log.c
@@ -215,9 +215,8 @@ ebt_log_tg(struct sk_buff *skb, const struct net_device *in,
         return EBT_CONTINUE;
 }
 
-static struct ebt_watcher log =
-{
-        .name           = EBT_LOG_WATCHER,
+static struct xt_target ebt_log_tg_reg __read_mostly = {
+        .name           = "log",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .target         = ebt_log_tg,
@@ -236,7 +235,7 @@ static int __init ebt_log_init(void)
 {
         int ret;
 
-        ret = ebt_register_watcher(&log);
+        ret = xt_register_target(&ebt_log_tg_reg);
         if (ret < 0)
                 return ret;
         nf_log_register(NFPROTO_BRIDGE, &ebt_log_logger);
@@ -246,7 +245,7 @@ static int __init ebt_log_init(void)
 static void __exit ebt_log_fini(void)
 {
         nf_log_unregister(&ebt_log_logger);
-        ebt_unregister_watcher(&log);
+        xt_unregister_target(&ebt_log_tg_reg);
 }
 
 module_init(ebt_log_init);
diff --git a/net/bridge/netfilter/ebt_mark.c b/net/bridge/netfilter/ebt_mark.c
index 92c67271bd8d..dff19fc91cf5 100644
--- a/net/bridge/netfilter/ebt_mark.c
+++ b/net/bridge/netfilter/ebt_mark.c
@@ -59,8 +59,8 @@ ebt_mark_tg_check(const char *table, const void *e,
         return true;
 }
 
-static struct ebt_target mark_target __read_mostly = {
-        .name           = EBT_MARK_TARGET,
+static struct xt_target ebt_mark_tg_reg __read_mostly = {
+        .name           = "mark",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .target         = ebt_mark_tg,
@@ -71,12 +71,12 @@ static struct ebt_target mark_target __read_mostly = {
 
 static int __init ebt_mark_init(void)
 {
-        return ebt_register_target(&mark_target);
+        return xt_register_target(&ebt_mark_tg_reg);
 }
 
 static void __exit ebt_mark_fini(void)
 {
-        ebt_unregister_target(&mark_target);
+        xt_unregister_target(&ebt_mark_tg_reg);
 }
 
 module_init(ebt_mark_init);
diff --git a/net/bridge/netfilter/ebt_mark_m.c b/net/bridge/netfilter/ebt_mark_m.c
index db64a0de4f74..aa6781c7f98b 100644
--- a/net/bridge/netfilter/ebt_mark_m.c
+++ b/net/bridge/netfilter/ebt_mark_m.c
@@ -40,8 +40,8 @@ ebt_mark_mt_check(const char *table, const void *e,
         return true;
 }
 
-static struct ebt_match filter_mark __read_mostly = {
-        .name           = EBT_MARK_MATCH,
+static struct xt_match ebt_mark_mt_reg __read_mostly = {
+        .name           = "mark_m",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_mark_mt,
@@ -52,12 +52,12 @@ static struct ebt_match filter_mark __read_mostly = {
 
 static int __init ebt_mark_m_init(void)
 {
-        return ebt_register_match(&filter_mark);
+        return xt_register_match(&ebt_mark_mt_reg);
 }
 
 static void __exit ebt_mark_m_fini(void)
 {
-        ebt_unregister_match(&filter_mark);
+        xt_unregister_match(&ebt_mark_mt_reg);
 }
 
 module_init(ebt_mark_m_init);
diff --git a/net/bridge/netfilter/ebt_nflog.c b/net/bridge/netfilter/ebt_nflog.c
index b415f8871883..917ac3600791 100644
--- a/net/bridge/netfilter/ebt_nflog.c
+++ b/net/bridge/netfilter/ebt_nflog.c
@@ -49,24 +49,24 @@ ebt_nflog_tg_check(const char *table, const void *e,
         return true;
 }
 
-static struct ebt_watcher nflog __read_mostly = {
-        .name = EBT_NFLOG_WATCHER,
-        .revision = 0,
-        .family = NFPROTO_BRIDGE,
-        .target = ebt_nflog_tg,
+static struct xt_target ebt_nflog_tg_reg __read_mostly = {
+        .name       = "nflog",
+        .revision   = 0,
+        .family     = NFPROTO_BRIDGE,
+        .target     = ebt_nflog_tg,
         .checkentry = ebt_nflog_tg_check,
         .targetsize = XT_ALIGN(sizeof(struct ebt_nflog_info)),
-        .me = THIS_MODULE,
+        .me         = THIS_MODULE,
 };
 
 static int __init ebt_nflog_init(void)
 {
-        return ebt_register_watcher(&nflog);
+        return xt_register_target(&ebt_nflog_tg_reg);
 }
 
 static void __exit ebt_nflog_fini(void)
 {
-        ebt_unregister_watcher(&nflog);
+        xt_unregister_target(&ebt_nflog_tg_reg);
 }
 
 module_init(ebt_nflog_init);
diff --git a/net/bridge/netfilter/ebt_pkttype.c b/net/bridge/netfilter/ebt_pkttype.c
index 06393452ef91..1c04ce5a52c7 100644
--- a/net/bridge/netfilter/ebt_pkttype.c
+++ b/net/bridge/netfilter/ebt_pkttype.c
@@ -36,8 +36,8 @@ ebt_pkttype_mt_check(const char *table, const void *e,
         return true;
 }
 
-static struct ebt_match filter_pkttype __read_mostly = {
-        .name           = EBT_PKTTYPE_MATCH,
+static struct xt_match ebt_pkttype_mt_reg __read_mostly = {
+        .name           = "pkttype",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_pkttype_mt,
@@ -48,12 +48,12 @@ static struct ebt_match filter_pkttype __read_mostly = {
 
 static int __init ebt_pkttype_init(void)
 {
-        return ebt_register_match(&filter_pkttype);
+        return xt_register_match(&ebt_pkttype_mt_reg);
 }
 
 static void __exit ebt_pkttype_fini(void)
 {
-        ebt_unregister_match(&filter_pkttype);
+        xt_unregister_match(&ebt_pkttype_mt_reg);
 }
 
 module_init(ebt_pkttype_init);
diff --git a/net/bridge/netfilter/ebt_redirect.c b/net/bridge/netfilter/ebt_redirect.c
index e9540cf4f6d6..1b7684ffe404 100644
--- a/net/bridge/netfilter/ebt_redirect.c
+++ b/net/bridge/netfilter/ebt_redirect.c
@@ -52,8 +52,8 @@ ebt_redirect_tg_check(const char *tablename, const void *e,
         return true;
 }
 
-static struct ebt_target redirect_target __read_mostly = {
-        .name           = EBT_REDIRECT_TARGET,
+static struct xt_target ebt_redirect_tg_reg __read_mostly = {
+        .name           = "redirect",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .target         = ebt_redirect_tg,
@@ -64,12 +64,12 @@ static struct ebt_target redirect_target __read_mostly = {
 
 static int __init ebt_redirect_init(void)
 {
-        return ebt_register_target(&redirect_target);
+        return xt_register_target(&ebt_redirect_tg_reg);
 }
 
 static void __exit ebt_redirect_fini(void)
 {
-        ebt_unregister_target(&redirect_target);
+        xt_unregister_target(&ebt_redirect_tg_reg);
 }
 
 module_init(ebt_redirect_init);
diff --git a/net/bridge/netfilter/ebt_snat.c b/net/bridge/netfilter/ebt_snat.c
index 363d0051e04b..c90217a4f9e1 100644
--- a/net/bridge/netfilter/ebt_snat.c
+++ b/net/bridge/netfilter/ebt_snat.c
@@ -69,8 +69,8 @@ ebt_snat_tg_check(const char *tablename, const void *e,
         return true;
 }
 
-static struct ebt_target snat __read_mostly = {
-        .name           = EBT_SNAT_TARGET,
+static struct xt_target ebt_snat_tg_reg __read_mostly = {
+        .name           = "snat",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .target         = ebt_snat_tg,
@@ -81,12 +81,12 @@ static struct ebt_target snat __read_mostly = {
 
 static int __init ebt_snat_init(void)
 {
-        return ebt_register_target(&snat);
+        return xt_register_target(&ebt_snat_tg_reg);
 }
 
 static void __exit ebt_snat_fini(void)
 {
-        ebt_unregister_target(&snat);
+        xt_unregister_target(&ebt_snat_tg_reg);
 }
 
 module_init(ebt_snat_init);
diff --git a/net/bridge/netfilter/ebt_stp.c b/net/bridge/netfilter/ebt_stp.c
index 7576d1d62a49..28bb48b67a80 100644
--- a/net/bridge/netfilter/ebt_stp.c
+++ b/net/bridge/netfilter/ebt_stp.c
@@ -176,8 +176,8 @@ ebt_stp_mt_check(const char *table, const void *entry,
         return true;
 }
 
-static struct ebt_match filter_stp __read_mostly = {
-        .name           = EBT_STP_MATCH,
+static struct xt_match ebt_stp_mt_reg __read_mostly = {
+        .name           = "stp",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_stp_mt,
@@ -188,12 +188,12 @@ static struct ebt_match filter_stp __read_mostly = {
 
 static int __init ebt_stp_init(void)
 {
-        return ebt_register_match(&filter_stp);
+        return xt_register_match(&ebt_stp_mt_reg);
 }
 
 static void __exit ebt_stp_fini(void)
 {
-        ebt_unregister_match(&filter_stp);
+        xt_unregister_match(&ebt_stp_mt_reg);
 }
 
 module_init(ebt_stp_init);
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 77ff9c46b268..25ca6467349e 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -275,8 +275,8 @@ ebt_ulog_tg_check(const char *table, const void *entry,
         return 0;
 }
 
-static struct ebt_watcher ulog __read_mostly = {
-        .name           = EBT_ULOG_WATCHER,
+static struct xt_target ebt_ulog_tg_reg __read_mostly = {
+        .name           = "ulog",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .target         = ebt_ulog_tg,
@@ -286,7 +286,7 @@ static struct ebt_watcher ulog __read_mostly = {
 };
 
 static const struct nf_logger ebt_ulog_logger = {
-        .name           = EBT_ULOG_WATCHER,
+        .name           = "ulog",
         .logfn          = &ebt_log_packet,
         .me             = THIS_MODULE,
 };
@@ -315,7 +315,7 @@ static int __init ebt_ulog_init(void)
                 printk(KERN_WARNING KBUILD_MODNAME ": out of memory trying to "
                        "call netlink_kernel_create\n");
                 ret = false;
-        } else if (ebt_register_watcher(&ulog) != 0) {
+        } else if (xt_register_target(&ebt_ulog_tg_reg) != 0) {
                 netlink_kernel_release(ebtulognl);
         }
 
@@ -331,7 +331,7 @@ static void __exit ebt_ulog_fini(void)
         int i;
 
         nf_log_unregister(&ebt_ulog_logger);
-        ebt_unregister_watcher(&ulog);
+        xt_unregister_target(&ebt_ulog_tg_reg);
         for (i = 0; i < EBT_ULOG_MAXNLGROUPS; i++) {
                 ub = &ulog_buffers[i];
                 if (timer_pending(&ub->timer))
diff --git a/net/bridge/netfilter/ebt_vlan.c b/net/bridge/netfilter/ebt_vlan.c
index 3af688b0fc37..5addef6d62f0 100644
--- a/net/bridge/netfilter/ebt_vlan.c
+++ b/net/bridge/netfilter/ebt_vlan.c
@@ -162,8 +162,8 @@ ebt_vlan_mt_check(const char *table, const void *entry,
         return true;
 }
 
-static struct ebt_match filter_vlan __read_mostly = {
-        .name           = EBT_VLAN_MATCH,
+static struct xt_match ebt_vlan_mt_reg __read_mostly = {
+        .name           = "vlan",
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
         .match          = ebt_vlan_mt,
@@ -177,12 +177,12 @@ static int __init ebt_vlan_init(void)
         DEBUG_MSG("ebtables 802.1Q extension module v"
                   MODULE_VERS "\n");
         DEBUG_MSG("module debug=%d\n", !!debug);
-        return ebt_register_match(&filter_vlan);
+        return xt_register_match(&ebt_vlan_mt_reg);
 }
 
 static void __exit ebt_vlan_fini(void)
 {
-        ebt_unregister_match(&filter_vlan);
+        xt_unregister_match(&ebt_vlan_mt_reg);
 }
 
 module_init(ebt_vlan_init);
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index 340e1c6bdcb1..c4f7a2e8ed39 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -60,17 +60,18 @@ static LIST_HEAD(ebt_targets);
 static LIST_HEAD(ebt_matches);
 static LIST_HEAD(ebt_watchers);
 
-static struct ebt_target ebt_standard_target = {
+static struct xt_target ebt_standard_target = {
         .name       = "standard",
         .revision   = 0,
         .family     = NFPROTO_BRIDGE,
+        .targetsize = sizeof(int),
 };
 
 static inline int ebt_do_watcher (struct ebt_entry_watcher *w,
    struct sk_buff *skb, unsigned int hooknr, const struct net_device *in,
    const struct net_device *out)
 {
-        w->u.watcher->target(skb, in, out, hooknr, NULL, w->data);
+        w->u.watcher->target(skb, in, out, hooknr, w->u.watcher, w->data);
         /* watchers don't give a verdict */
         return 0;
 }
@@ -79,7 +80,7 @@ static inline int ebt_do_match (struct ebt_entry_match *m,
    const struct sk_buff *skb, const struct net_device *in,
    const struct net_device *out)
 {
-        return m->u.match->match(skb, in, out, NULL, m->data, 0, 0, NULL);
+        return m->u.match->match(skb, in, out, m->u.match, m->data, 0, 0, NULL);
 }
 
 static inline int ebt_dev_check(char *entry, const struct net_device *device)
@@ -194,7 +195,7 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
                         verdict = ((struct ebt_standard_target *)t)->verdict;
                 else
                         verdict = t->u.target->target(skb, in, out, hook,
-                                  NULL, t->data);
+                                  t->u.target, t->data);
                 if (verdict == EBT_ACCEPT) {
                         read_unlock_bh(&table->lock);
                         return NF_ACCEPT;
@@ -336,104 +337,73 @@ static inline int
 ebt_check_match(struct ebt_entry_match *m, struct ebt_entry *e,
    const char *name, unsigned int hookmask, unsigned int *cnt)
 {
-        struct ebt_match *match;
+        struct xt_match *match;
         size_t left = ((char *)e + e->watchers_offset) - (char *)m;
         int ret;
 
         if (left < sizeof(struct ebt_entry_match) ||
             left - sizeof(struct ebt_entry_match) < m->match_size)
                 return -EINVAL;
-        match = find_match_lock(m->u.name, &ret, &ebt_mutex);
-        if (!match)
-                return ret;
-        m->u.match = match;
-        if (!try_module_get(match->me)) {
-                mutex_unlock(&ebt_mutex);
+
+        match = try_then_request_module(xt_find_match(NFPROTO_BRIDGE,
+                m->u.name, 0), "ebt_%s", m->u.name);
+        if (IS_ERR(match))
+                return PTR_ERR(match);
+        if (match == NULL)
                 return -ENOENT;
-        }
-        mutex_unlock(&ebt_mutex);
-        if (match->family != NFPROTO_BRIDGE) {
-                printk(KERN_WARNING "ebtables: %s match: not for ebtables?\n",
-                       match->name);
-                goto out;
-        }
-        if (match->revision != 0) {
-                printk(KERN_WARNING "ebtables: %s match: ebtables is not "
-                       "supporting revisions at this time\n",
-                       match->name);
-                goto out;
-        }
-        if (XT_ALIGN(match->matchsize) != m->match_size &&
-            match->matchsize != -1) {
-                /*
-                 * ebt_among is exempt from centralized matchsize checking
-                 * because it uses a dynamic-size data set.
-                 */
-                printk(KERN_WARNING "ebtables: %s match: "
-                       "invalid size %Zu != %u\n",
-                       match->name, XT_ALIGN(match->matchsize), m->match_size);
-                goto out;
-        }
-        if (match->checkentry &&
+        m->u.match = match;
+
+        ret = xt_check_match(match, NFPROTO_BRIDGE, m->match_size,
+              name, hookmask, e->ethproto, e->invflags & EBT_IPROTO);
+        if (ret < 0) {
+                module_put(match->me);
+                return ret;
+        } else if (match->checkentry != NULL &&
             !match->checkentry(name, e, NULL, m->data, hookmask)) {
+                module_put(match->me);
                 BUGPRINT("match->check failed\n");
-                goto out;
+                return -EINVAL;
         }
+
         (*cnt)++;
         return 0;
- out:
-        module_put(match->me);
-        return -EINVAL;
 }
 
 static inline int
 ebt_check_watcher(struct ebt_entry_watcher *w, struct ebt_entry *e,
    const char *name, unsigned int hookmask, unsigned int *cnt)
 {
-        struct ebt_watcher *watcher;
+        struct xt_target *watcher;
         size_t left = ((char *)e + e->target_offset) - (char *)w;
         int ret;
 
         if (left < sizeof(struct ebt_entry_watcher) ||
            left - sizeof(struct ebt_entry_watcher) < w->watcher_size)
                 return -EINVAL;
-        watcher = find_watcher_lock(w->u.name, &ret, &ebt_mutex);
-        if (!watcher)
-                return ret;
-        w->u.watcher = watcher;
-        if (!try_module_get(watcher->me)) {
-                mutex_unlock(&ebt_mutex);
+
+        watcher = try_then_request_module(
+                  xt_find_target(NFPROTO_BRIDGE, w->u.name, 0),
+                  "ebt_%s", w->u.name);
+        if (IS_ERR(watcher))
+                return PTR_ERR(watcher);
+        if (watcher == NULL)
                 return -ENOENT;
-        }
-        mutex_unlock(&ebt_mutex);
-        if (watcher->family != NFPROTO_BRIDGE) {
-                printk(KERN_WARNING "ebtables: %s watcher: not for ebtables?\n",
-                       watcher->name);
-                goto out;
-        }
-        if (watcher->revision != 0) {
-                printk(KERN_WARNING "ebtables: %s watcher: ebtables is not "
-                       "supporting revisions at this time\n",
-                       watcher->name);
-                goto out;
-        }
-        if (XT_ALIGN(watcher->targetsize) != w->watcher_size) {
-                printk(KERN_WARNING "ebtables: %s watcher: "
-                       "invalid size %Zu != %u\n",
-                       watcher->name, XT_ALIGN(watcher->targetsize),
-                       w->watcher_size);
-                goto out;
-        }
-        if (watcher->checkentry &&
+        w->u.watcher = watcher;
+
+        ret = xt_check_target(watcher, NFPROTO_BRIDGE, w->watcher_size,
+              name, hookmask, e->ethproto, e->invflags & EBT_IPROTO);
+        if (ret < 0) {
+                module_put(watcher->me);
+                return ret;
+        } else if (watcher->checkentry != NULL &&
             !watcher->checkentry(name, e, NULL, w->data, hookmask)) {
+                module_put(watcher->me);
                 BUGPRINT("watcher->check failed\n");
-                goto out;
+                return -EINVAL;
         }
+
         (*cnt)++;
         return 0;
- out:
-        module_put(watcher->me);
-        return -EINVAL;
 }
 
 static int ebt_verify_pointers(struct ebt_replace *repl,
@@ -607,7 +577,7 @@ ebt_cleanup_match(struct ebt_entry_match *m, unsigned int *i)
         if (i && (*i)-- == 0)
                 return 1;
         if (m->u.match->destroy)
-                m->u.match->destroy(NULL, m->data);
+                m->u.match->destroy(m->u.match, m->data);
         module_put(m->u.match->me);
 
         return 0;
@@ -619,7 +589,7 @@ ebt_cleanup_watcher(struct ebt_entry_watcher *w, unsigned int *i)
         if (i && (*i)-- == 0)
                 return 1;
         if (w->u.watcher->destroy)
-                w->u.watcher->destroy(NULL, w->data);
+                w->u.watcher->destroy(w->u.watcher, w->data);
         module_put(w->u.watcher->me);
 
         return 0;
@@ -639,7 +609,7 @@ ebt_cleanup_entry(struct ebt_entry *e, unsigned int *cnt)
         EBT_MATCH_ITERATE(e, ebt_cleanup_match, NULL);
         t = (struct ebt_entry_target *)(((char *)e) + e->target_offset);
         if (t->u.target->destroy)
-                t->u.target->destroy(NULL, t->data);
+                t->u.target->destroy(t->u.target, t->data);
         module_put(t->u.target->me);
 
         return 0;
@@ -651,7 +621,7 @@ ebt_check_entry(struct ebt_entry *e, struct ebt_table_info *newinfo,
    struct ebt_cl_stack *cl_s, unsigned int udc_cnt)
 {
         struct ebt_entry_target *t;
-        struct ebt_target *target;
+        struct xt_target *target;
         unsigned int i, j, hook = 0, hookmask = 0;
         size_t gap;
         int ret;
@@ -704,27 +674,15 @@ ebt_check_entry(struct ebt_entry *e, struct ebt_table_info *newinfo,
                 goto cleanup_watchers;
         t = (struct ebt_entry_target *)(((char *)e) + e->target_offset);
         gap = e->next_offset - e->target_offset;
-        target = find_target_lock(t->u.name, &ret, &ebt_mutex);
-        if (!target)
-                goto cleanup_watchers;
-        if (!try_module_get(target->me)) {
-                mutex_unlock(&ebt_mutex);
-                ret = -ENOENT;
-                goto cleanup_watchers;
-        }
-        mutex_unlock(&ebt_mutex);
 
-        if (target->family != NFPROTO_BRIDGE) {
-                printk(KERN_WARNING "ebtables: %s target: not for ebtables?\n",
-                       target->name);
-                ret = -EINVAL;
+        target = try_then_request_module(
+                 xt_find_target(NFPROTO_BRIDGE, t->u.name, 0),
+                 "ebt_%s", t->u.name);
+        if (IS_ERR(target)) {
+                ret = PTR_ERR(target);
                 goto cleanup_watchers;
-        }
-        if (target->revision != 0) {
-                printk(KERN_WARNING "ebtables: %s target: ebtables is not "
-                       "supporting revisions at this time\n",
-                       target->name);
-                ret = -EINVAL;
+        } else if (target == NULL) {
+                ret = -ENOENT;
                 goto cleanup_watchers;
         }
 
@@ -745,13 +703,12 @@ ebt_check_entry(struct ebt_entry *e, struct ebt_table_info *newinfo,
                 module_put(t->u.target->me);
                 ret = -EFAULT;
                 goto cleanup_watchers;
-        } else if (XT_ALIGN(target->targetsize) != t->target_size) {
-                printk(KERN_WARNING "ebtables: %s target: "
-                       "invalid size %Zu != %u\n",
-                       target->name, XT_ALIGN(target->targetsize),
-                       t->target_size);
-                module_put(t->u.target->me);
-                ret = -EINVAL;
+        }
+
+        ret = xt_check_target(target, NFPROTO_BRIDGE, t->target_size,
+              name, hookmask, e->ethproto, e->invflags & EBT_IPROTO);
+        if (ret < 0) {
+                module_put(target->me);
                 goto cleanup_watchers;
         } else if (t->u.target->checkentry &&
             !t->u.target->checkentry(name, e, NULL, t->data, hookmask)) {
@@ -1589,11 +1546,14 @@ static int __init ebtables_init(void)
 {
         int ret;
 
-        mutex_lock(&ebt_mutex);
-        list_add(&ebt_standard_target.list, &ebt_targets);
-        mutex_unlock(&ebt_mutex);
-        if ((ret = nf_register_sockopt(&ebt_sockopts)) < 0)
+        ret = xt_register_target(&ebt_standard_target);
+        if (ret < 0)
                 return ret;
+        ret = nf_register_sockopt(&ebt_sockopts);
+        if (ret < 0) {
+                xt_unregister_target(&ebt_standard_target);
+                return ret;
+        }
 
         printk(KERN_INFO "Ebtables v2.0 registered\n");
         return 0;
@@ -1602,6 +1562,7 @@ static int __init ebtables_init(void)
 static void __exit ebtables_fini(void)
 {
         nf_unregister_sockopt(&ebt_sockopts);
+        xt_unregister_target(&ebt_standard_target);
         printk(KERN_INFO "Ebtables v2.0 unregistered\n");
 }