netfilter: change Ebtables function signatures to match Xtables's

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

19 files changed, 198 insertions, 156 deletions

diff --git a/net/bridge/netfilter/ebt_802_3.c b/net/bridge/netfilter/ebt_802_3.c
index f9876f227574..6f1a69c28ed9 100644
--- a/net/bridge/netfilter/ebt_802_3.c
+++ b/net/bridge/netfilter/ebt_802_3.c
@@ -12,9 +12,10 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_802_3.h>
 
-static bool ebt_filter_802_3(const struct sk_buff *skb,
-   const struct net_device *in,
-   const struct net_device *out, const void *data, unsigned int datalen)
+static bool
+ebt_802_3_mt(const struct sk_buff *skb, const struct net_device *in,
+             const struct net_device *out, const struct xt_match *match,
+             const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         const struct ebt_802_3_info *info = data;
         const struct ebt_802_3_hdr *hdr = ebt_802_3_hdr(skb);
@@ -37,9 +38,10 @@ static bool ebt_filter_802_3(const struct sk_buff *skb,
         return true;
 }
 
-static struct ebt_match filter_802_3;
-static bool ebt_802_3_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_802_3_mt_check(const char *table, const void *entry,
+                   const struct xt_match *match, void *data,
+                   unsigned int hook_mask)
 {
         const struct ebt_802_3_info *info = data;
 
@@ -53,8 +55,8 @@ static struct ebt_match filter_802_3 __read_mostly = {
         .name           = EBT_802_3_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_802_3,
-        .check          = ebt_802_3_check,
+        .match          = ebt_802_3_mt,
+        .checkentry     = ebt_802_3_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_802_3_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_among.c b/net/bridge/netfilter/ebt_among.c
index 88b5c9118a75..84a306f085b5 100644
--- a/net/bridge/netfilter/ebt_among.c
+++ b/net/bridge/netfilter/ebt_among.c
@@ -127,10 +127,10 @@ static int get_ip_src(const struct sk_buff *skb, __be32 *addr)
         return 0;
 }
 
-static bool ebt_filter_among(const struct sk_buff *skb,
-                             const struct net_device *in,
-                             const struct net_device *out, const void *data,
-                             unsigned int datalen)
+static bool
+ebt_among_mt(const struct sk_buff *skb, const struct net_device *in,
+             const struct net_device *out, const struct xt_match *match,
+             const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         const struct ebt_among_info *info = data;
         const char *dmac, *smac;
@@ -174,9 +174,9 @@ static bool ebt_filter_among(const struct sk_buff *skb,
 }
 
 static bool
-ebt_among_check(const char *tablename, unsigned int hookmask,
-                const struct ebt_entry *e, void *data,
-                unsigned int datalen)
+ebt_among_mt_check(const char *table, const void *entry,
+                   const struct xt_match *match, void *data,
+                   unsigned int hook_mask)
 {
         const struct ebt_entry_match *em =
                 container_of(data, const struct ebt_entry_match, data);
@@ -215,8 +215,8 @@ static struct ebt_match filter_among __read_mostly = {
         .name           = EBT_AMONG_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_among,
-        .check          = ebt_among_check,
+        .match          = ebt_among_mt,
+        .checkentry     = ebt_among_mt_check,
         .matchsize      = -1, /* special case */
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_arp.c b/net/bridge/netfilter/ebt_arp.c
index 4a5226cbab89..6e7cd2f5ad74 100644
--- a/net/bridge/netfilter/ebt_arp.c
+++ b/net/bridge/netfilter/ebt_arp.c
@@ -15,9 +15,10 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_arp.h>
 
-static bool ebt_filter_arp(const struct sk_buff *skb,
-   const struct net_device *in,
-   const struct net_device *out, const void *data, unsigned int datalen)
+static bool
+ebt_arp_mt(const struct sk_buff *skb, const struct net_device *in,
+           const struct net_device *out, const struct xt_match *match,
+           const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         const struct ebt_arp_info *info = data;
         const struct arphdr *ah;
@@ -101,10 +102,13 @@ static bool ebt_filter_arp(const struct sk_buff *skb,
         return true;
 }
 
-static bool ebt_arp_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_arp_mt_check(const char *table, const void *entry,
+                 const struct xt_match *match, void *data,
+                 unsigned int hook_mask)
 {
         const struct ebt_arp_info *info = data;
+        const struct ebt_entry *e = entry;
 
         if ((e->ethproto != htons(ETH_P_ARP) &&
            e->ethproto != htons(ETH_P_RARP)) ||
@@ -119,8 +123,8 @@ static struct ebt_match filter_arp __read_mostly = {
         .name           = EBT_ARP_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_arp,
-        .check          = ebt_arp_check,
+        .match          = ebt_arp_mt,
+        .checkentry     = ebt_arp_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_arp_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_arpreply.c b/net/bridge/netfilter/ebt_arpreply.c
index 7ab16556800e..6f2f65897770 100644
--- a/net/bridge/netfilter/ebt_arpreply.c
+++ b/net/bridge/netfilter/ebt_arpreply.c
@@ -15,9 +15,10 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_arpreply.h>
 
-static unsigned int ebt_target_reply(struct sk_buff *skb, unsigned int hooknr,
-   const struct net_device *in, const struct net_device *out,
-   const void *data, unsigned int datalen)
+static unsigned int
+ebt_arpreply_tg(struct sk_buff *skb, const struct net_device *in,
+                const struct net_device *out, unsigned int hook_nr,
+                const struct xt_target *target, const void *data)
 {
         struct ebt_arpreply_info *info = (void *)data;
         const __be32 *siptr, *diptr;
@@ -58,10 +59,13 @@ static unsigned int ebt_target_reply(struct sk_buff *skb, unsigned int hooknr,
         return info->target;
 }
 
-static bool ebt_target_reply_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_arpreply_tg_check(const char *tablename, const void *entry,
+                      const struct xt_target *target, void *data,
+                      unsigned int hookmask)
 {
         const struct ebt_arpreply_info *info = data;
+        const struct ebt_entry *e = entry;
 
         if (BASE_CHAIN && info->target == EBT_RETURN)
                 return false;
@@ -78,8 +82,8 @@ static struct ebt_target reply_target __read_mostly = {
         .name           = EBT_ARPREPLY_TARGET,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .target         = ebt_target_reply,
-        .check          = ebt_target_reply_check,
+        .target         = ebt_arpreply_tg,
+        .checkentry     = ebt_arpreply_tg_check,
         .targetsize     = XT_ALIGN(sizeof(struct ebt_arpreply_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_dnat.c b/net/bridge/netfilter/ebt_dnat.c
index 64838e2835a0..b7cc013bd377 100644
--- a/net/bridge/netfilter/ebt_dnat.c
+++ b/net/bridge/netfilter/ebt_dnat.c
@@ -14,9 +14,10 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_nat.h>
 
-static unsigned int ebt_target_dnat(struct sk_buff *skb, unsigned int hooknr,
-   const struct net_device *in, const struct net_device *out,
-   const void *data, unsigned int datalen)
+static unsigned int
+ebt_dnat_tg(struct sk_buff *skb, const struct net_device *in,
+            const struct net_device *out, unsigned int hook_nr,
+            const struct xt_target *target, const void *data)
 {
         const struct ebt_nat_info *info = data;
 
@@ -27,8 +28,10 @@ static unsigned int ebt_target_dnat(struct sk_buff *skb, unsigned int hooknr,
         return info->target;
 }
 
-static bool ebt_target_dnat_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_dnat_tg_check(const char *tablename, const void *entry,
+                  const struct xt_target *target, void *data,
+                  unsigned int hookmask)
 {
         const struct ebt_nat_info *info = data;
 
@@ -48,8 +51,8 @@ static struct ebt_target dnat __read_mostly = {
         .name           = EBT_DNAT_TARGET,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .target         = ebt_target_dnat,
-        .check          = ebt_target_dnat_check,
+        .target         = ebt_dnat_tg,
+        .checkentry     = ebt_dnat_tg_check,
         .targetsize     = XT_ALIGN(sizeof(struct ebt_nat_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_ip.c b/net/bridge/netfilter/ebt_ip.c
index 0bef6f7bc83f..e7f3b1776b02 100644
--- a/net/bridge/netfilter/ebt_ip.c
+++ b/net/bridge/netfilter/ebt_ip.c
@@ -24,10 +24,10 @@ struct tcpudphdr {
         __be16 dst;
 };
 
-static bool ebt_filter_ip(const struct sk_buff *skb,
-   const struct net_device *in,
-   const struct net_device *out, const void *data,
-   unsigned int datalen)
+static bool
+ebt_ip_mt(const struct sk_buff *skb, const struct net_device *in,
+          const struct net_device *out, const struct xt_match *match,
+          const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         const struct ebt_ip_info *info = data;
         const struct iphdr *ih;
@@ -79,10 +79,13 @@ static bool ebt_filter_ip(const struct sk_buff *skb,
         return true;
 }
 
-static bool ebt_ip_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_ip_mt_check(const char *table, const void *entry,
+                const struct xt_match *match, void *data,
+                unsigned int hook_mask)
 {
         const struct ebt_ip_info *info = data;
+        const struct ebt_entry *e = entry;
 
         if (e->ethproto != htons(ETH_P_IP) ||
            e->invflags & EBT_IPROTO)
@@ -110,8 +113,8 @@ static struct ebt_match filter_ip __read_mostly = {
         .name           = EBT_IP_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_ip,
-        .check          = ebt_ip_check,
+        .match          = ebt_ip_mt,
+        .checkentry     = ebt_ip_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_ip_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_ip6.c b/net/bridge/netfilter/ebt_ip6.c
index afcabe205b8f..807685da2934 100644
--- a/net/bridge/netfilter/ebt_ip6.c
+++ b/net/bridge/netfilter/ebt_ip6.c
@@ -27,10 +27,10 @@ struct tcpudphdr {
         __be16 dst;
 };
 
-static bool ebt_filter_ip6(const struct sk_buff *skb,
-   const struct net_device *in,
-   const struct net_device *out, const void *data,
-   unsigned int datalen)
+static bool
+ebt_ip6_mt(const struct sk_buff *skb, const struct net_device *in,
+           const struct net_device *out, const struct xt_match *match,
+           const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         const struct ebt_ip6_info *info = (struct ebt_ip6_info *)data;
         const struct ipv6hdr *ih6;
@@ -92,9 +92,12 @@ static bool ebt_filter_ip6(const struct sk_buff *skb,
         return true;
 }
 
-static bool ebt_ip6_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_ip6_mt_check(const char *table, const void *entry,
+                 const struct xt_match *match, void *data,
+                 unsigned int hook_mask)
 {
+        const struct ebt_entry *e = entry;
         struct ebt_ip6_info *info = (struct ebt_ip6_info *)data;
 
         if (e->ethproto != htons(ETH_P_IPV6) || e->invflags & EBT_IPROTO)
@@ -123,8 +126,8 @@ static struct ebt_match filter_ip6 =
         .name           = EBT_IP6_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_ip6,
-        .check          = ebt_ip6_check,
+        .match          = ebt_ip6_mt,
+        .checkentry     = ebt_ip6_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_ip6_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_limit.c b/net/bridge/netfilter/ebt_limit.c
index 9ca0a2564c8d..d3372739227e 100644
--- a/net/bridge/netfilter/ebt_limit.c
+++ b/net/bridge/netfilter/ebt_limit.c
@@ -30,9 +30,10 @@ static DEFINE_SPINLOCK(limit_lock);
 
 #define CREDITS_PER_JIFFY POW2_BELOW32(MAX_CPJ)
 
-static bool ebt_limit_match(const struct sk_buff *skb,
-   const struct net_device *in, const struct net_device *out,
-   const void *data, unsigned int datalen)
+static bool
+ebt_limit_mt(const struct sk_buff *skb, const struct net_device *in,
+             const struct net_device *out, const struct xt_match *match,
+             const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         struct ebt_limit_info *info = (struct ebt_limit_info *)data;
         unsigned long now = jiffies;
@@ -65,8 +66,10 @@ user2credits(u_int32_t user)
         return (user * HZ * CREDITS_PER_JIFFY) / EBT_LIMIT_SCALE;
 }
 
-static bool ebt_limit_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_limit_mt_check(const char *table, const void *e,
+                   const struct xt_match *match, void *data,
+                   unsigned int hook_mask)
 {
         struct ebt_limit_info *info = data;
 
@@ -90,8 +93,8 @@ static struct ebt_match ebt_limit_reg __read_mostly = {
         .name           = EBT_LIMIT_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_limit_match,
-        .check          = ebt_limit_check,
+        .match          = ebt_limit_mt,
+        .checkentry     = ebt_limit_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_limit_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_log.c b/net/bridge/netfilter/ebt_log.c
index c2e1c357025e..424dfdf7f27e 100644
--- a/net/bridge/netfilter/ebt_log.c
+++ b/net/bridge/netfilter/ebt_log.c
@@ -24,8 +24,10 @@
 
 static DEFINE_SPINLOCK(ebt_log_lock);
 
-static bool ebt_log_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_log_tg_check(const char *table, const void *entry,
+                 const struct xt_target *target, void *data,
+                 unsigned int hook_mask)
 {
         struct ebt_log_info *info = data;
 
@@ -192,9 +194,10 @@ out:
 
 }
 
-static unsigned int ebt_log(const struct sk_buff *skb, unsigned int hooknr,
-   const struct net_device *in, const struct net_device *out,
-   const void *data, unsigned int datalen)
+static unsigned int
+ebt_log_tg(struct sk_buff *skb, const struct net_device *in,
+           const struct net_device *out, unsigned int hooknr,
+           const struct xt_target *target, const void *data)
 {
         const struct ebt_log_info *info = data;
         struct nf_loginfo li;
@@ -217,8 +220,8 @@ static struct ebt_watcher log =
         .name           = EBT_LOG_WATCHER,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .watcher        = ebt_log,
-        .check          = ebt_log_check,
+        .target         = ebt_log_tg,
+        .checkentry     = ebt_log_tg_check,
         .targetsize     = XT_ALIGN(sizeof(struct ebt_log_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_mark.c b/net/bridge/netfilter/ebt_mark.c
index 910721a12673..92c67271bd8d 100644
--- a/net/bridge/netfilter/ebt_mark.c
+++ b/net/bridge/netfilter/ebt_mark.c
@@ -18,9 +18,10 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_mark_t.h>
 
-static unsigned int ebt_target_mark(struct sk_buff *skb, unsigned int hooknr,
-   const struct net_device *in, const struct net_device *out,
-   const void *data, unsigned int datalen)
+static unsigned int
+ebt_mark_tg(struct sk_buff *skb, const struct net_device *in,
+            const struct net_device *out, unsigned int hook_nr,
+            const struct xt_target *target, const void *data)
 {
         const struct ebt_mark_t_info *info = data;
         int action = info->target & -16;
@@ -37,8 +38,10 @@ static unsigned int ebt_target_mark(struct sk_buff *skb, unsigned int hooknr,
         return info->target | ~EBT_VERDICT_BITS;
 }
 
-static bool ebt_target_mark_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_mark_tg_check(const char *table, const void *e,
+                  const struct xt_target *target, void *data,
+                  unsigned int hookmask)
 {
         const struct ebt_mark_t_info *info = data;
         int tmp;
@@ -60,8 +63,8 @@ static struct ebt_target mark_target __read_mostly = {
         .name           = EBT_MARK_TARGET,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .target         = ebt_target_mark,
-        .check          = ebt_target_mark_check,
+        .target         = ebt_mark_tg,
+        .checkentry     = ebt_mark_tg_check,
         .targetsize     = XT_ALIGN(sizeof(struct ebt_mark_t_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_mark_m.c b/net/bridge/netfilter/ebt_mark_m.c
index 6512ad9b4097..db64a0de4f74 100644
--- a/net/bridge/netfilter/ebt_mark_m.c
+++ b/net/bridge/netfilter/ebt_mark_m.c
@@ -12,9 +12,10 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_mark_m.h>
 
-static bool ebt_filter_mark(const struct sk_buff *skb,
-   const struct net_device *in, const struct net_device *out, const void *data,
-   unsigned int datalen)
+static bool
+ebt_mark_mt(const struct sk_buff *skb, const struct net_device *in,
+            const struct net_device *out, const struct xt_match *match,
+            const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         const struct ebt_mark_m_info *info = data;
 
@@ -23,8 +24,10 @@ static bool ebt_filter_mark(const struct sk_buff *skb,
         return ((skb->mark & info->mask) == info->mark) ^ info->invert;
 }
 
-static bool ebt_mark_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_mark_mt_check(const char *table, const void *e,
+                  const struct xt_match *match, void *data,
+                  unsigned int hook_mask)
 {
         const struct ebt_mark_m_info *info = data;
 
@@ -41,8 +44,8 @@ static struct ebt_match filter_mark __read_mostly = {
         .name           = EBT_MARK_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_mark,
-        .check          = ebt_mark_check,
+        .match          = ebt_mark_mt,
+        .checkentry     = ebt_mark_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_mark_m_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_nflog.c b/net/bridge/netfilter/ebt_nflog.c
index aa0410c69a60..b415f8871883 100644
--- a/net/bridge/netfilter/ebt_nflog.c
+++ b/net/bridge/netfilter/ebt_nflog.c
@@ -19,11 +19,10 @@
 #include <linux/netfilter_bridge/ebt_nflog.h>
 #include <net/netfilter/nf_log.h>
 
-static unsigned int ebt_nflog(const struct sk_buff *skb,
-                              unsigned int hooknr,
-                              const struct net_device *in,
-                              const struct net_device *out,
-                              const void *data, unsigned int datalen)
+static unsigned int
+ebt_nflog_tg(struct sk_buff *skb, const struct net_device *in,
+             const struct net_device *out, unsigned int hooknr,
+             const struct xt_target *target, const void *data)
 {
         struct ebt_nflog_info *info = (struct ebt_nflog_info *)data;
         struct nf_loginfo li;
@@ -37,10 +36,10 @@ static unsigned int ebt_nflog(const struct sk_buff *skb,
         return EBT_CONTINUE;
 }
 
-static bool ebt_nflog_check(const char *tablename,
-                            unsigned int hookmask,
-                            const struct ebt_entry *e,
-                            void *data, unsigned int datalen)
+static bool
+ebt_nflog_tg_check(const char *table, const void *e,
+                   const struct xt_target *target, void *data,
+                   unsigned int hookmask)
 {
         struct ebt_nflog_info *info = (struct ebt_nflog_info *)data;
 
@@ -54,8 +53,8 @@ static struct ebt_watcher nflog __read_mostly = {
         .name = EBT_NFLOG_WATCHER,
         .revision = 0,
         .family = NFPROTO_BRIDGE,
-        .watcher = ebt_nflog,
-        .check = ebt_nflog_check,
+        .target = ebt_nflog_tg,
+        .checkentry = ebt_nflog_tg_check,
         .targetsize = XT_ALIGN(sizeof(struct ebt_nflog_info)),
         .me = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_pkttype.c b/net/bridge/netfilter/ebt_pkttype.c
index a9acecc88e9e..06393452ef91 100644
--- a/net/bridge/netfilter/ebt_pkttype.c
+++ b/net/bridge/netfilter/ebt_pkttype.c
@@ -12,19 +12,21 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_pkttype.h>
 
-static bool ebt_filter_pkttype(const struct sk_buff *skb,
-   const struct net_device *in,
-   const struct net_device *out,
-   const void *data,
-   unsigned int datalen)
+static bool
+ebt_pkttype_mt(const struct sk_buff *skb, const struct net_device *in,
+               const struct net_device *out, const struct xt_match *match,
+               const void *data, int offset, unsigned int protoff,
+               bool *hotdrop)
 {
         const struct ebt_pkttype_info *info = data;
 
         return (skb->pkt_type == info->pkt_type) ^ info->invert;
 }
 
-static bool ebt_pkttype_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_pkttype_mt_check(const char *table, const void *e,
+                     const struct xt_match *match, void *data,
+                     unsigned int hook_mask)
 {
         const struct ebt_pkttype_info *info = data;
 
@@ -38,8 +40,8 @@ static struct ebt_match filter_pkttype __read_mostly = {
         .name           = EBT_PKTTYPE_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_pkttype,
-        .check          = ebt_pkttype_check,
+        .match          = ebt_pkttype_mt,
+        .checkentry     = ebt_pkttype_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_pkttype_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_redirect.c b/net/bridge/netfilter/ebt_redirect.c
index 4c628108bcda..e9540cf4f6d6 100644
--- a/net/bridge/netfilter/ebt_redirect.c
+++ b/net/bridge/netfilter/ebt_redirect.c
@@ -15,10 +15,10 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_redirect.h>
 
-static unsigned int ebt_target_redirect(struct sk_buff *skb,
-   unsigned int hooknr,
-   const struct net_device *in, const struct net_device *out,
-   const void *data, unsigned int datalen)
+static unsigned int
+ebt_redirect_tg(struct sk_buff *skb, const struct net_device *in,
+                const struct net_device *out, unsigned int hooknr,
+                const struct xt_target *target, const void *data)
 {
         const struct ebt_redirect_info *info = data;
 
@@ -34,8 +34,10 @@ static unsigned int ebt_target_redirect(struct sk_buff *skb,
         return info->target;
 }
 
-static bool ebt_target_redirect_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_redirect_tg_check(const char *tablename, const void *e,
+                      const struct xt_target *target, void *data,
+                      unsigned int hookmask)
 {
         const struct ebt_redirect_info *info = data;
 
@@ -54,8 +56,8 @@ static struct ebt_target redirect_target __read_mostly = {
         .name           = EBT_REDIRECT_TARGET,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .target         = ebt_target_redirect,
-        .check          = ebt_target_redirect_check,
+        .target         = ebt_redirect_tg,
+        .checkentry     = ebt_redirect_tg_check,
         .targetsize     = XT_ALIGN(sizeof(struct ebt_redirect_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_snat.c b/net/bridge/netfilter/ebt_snat.c
index 0e83de781c0c..363d0051e04b 100644
--- a/net/bridge/netfilter/ebt_snat.c
+++ b/net/bridge/netfilter/ebt_snat.c
@@ -16,9 +16,10 @@
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_nat.h>
 
-static unsigned int ebt_target_snat(struct sk_buff *skb, unsigned int hooknr,
-   const struct net_device *in, const struct net_device *out,
-   const void *data, unsigned int datalen)
+static unsigned int
+ebt_snat_tg(struct sk_buff *skb, const struct net_device *in,
+            const struct net_device *out, unsigned int hook_nr,
+            const struct xt_target *target, const void *data)
 {
         const struct ebt_nat_info *info = data;
 
@@ -43,8 +44,10 @@ out:
         return info->target | ~EBT_VERDICT_BITS;
 }
 
-static bool ebt_target_snat_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_snat_tg_check(const char *tablename, const void *e,
+                  const struct xt_target *target, void *data,
+                  unsigned int hookmask)
 {
         const struct ebt_nat_info *info = data;
         int tmp;
@@ -70,8 +73,8 @@ static struct ebt_target snat __read_mostly = {
         .name           = EBT_SNAT_TARGET,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .target         = ebt_target_snat,
-        .check          = ebt_target_snat_check,
+        .target         = ebt_snat_tg,
+        .checkentry     = ebt_snat_tg_check,
         .targetsize     = XT_ALIGN(sizeof(struct ebt_nat_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_stp.c b/net/bridge/netfilter/ebt_stp.c
index e6d8f0c140a4..7576d1d62a49 100644
--- a/net/bridge/netfilter/ebt_stp.c
+++ b/net/bridge/netfilter/ebt_stp.c
@@ -119,9 +119,10 @@ static bool ebt_filter_config(const struct ebt_stp_info *info,
         return true;
 }
 
-static bool ebt_filter_stp(const struct sk_buff *skb,
-   const struct net_device *in,
-   const struct net_device *out, const void *data, unsigned int datalen)
+static bool
+ebt_stp_mt(const struct sk_buff *skb, const struct net_device *in,
+           const struct net_device *out, const struct xt_match *match,
+           const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         const struct ebt_stp_info *info = data;
         const struct stp_header *sp;
@@ -154,12 +155,15 @@ static bool ebt_filter_stp(const struct sk_buff *skb,
         return true;
 }
 
-static bool ebt_stp_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_stp_mt_check(const char *table, const void *entry,
+                 const struct xt_match *match, void *data,
+                 unsigned int hook_mask)
 {
         const struct ebt_stp_info *info = data;
         const uint8_t bridge_ula[6] = {0x01, 0x80, 0xc2, 0x00, 0x00, 0x00};
         const uint8_t msk[6] = {0xff, 0xff, 0xff, 0xff, 0xff, 0xff};
+        const struct ebt_entry *e = entry;
 
         if (info->bitmask & ~EBT_STP_MASK || info->invflags & ~EBT_STP_MASK ||
             !(info->bitmask & EBT_STP_MASK))
@@ -176,8 +180,8 @@ static struct ebt_match filter_stp __read_mostly = {
         .name           = EBT_STP_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_stp,
-        .check          = ebt_stp_check,
+        .match          = ebt_stp_mt,
+        .checkentry     = ebt_stp_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_stp_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_ulog.c b/net/bridge/netfilter/ebt_ulog.c
index 076b44590f16..77ff9c46b268 100644
--- a/net/bridge/netfilter/ebt_ulog.c
+++ b/net/bridge/netfilter/ebt_ulog.c
@@ -246,9 +246,10 @@ static void ebt_log_packet(u_int8_t pf, unsigned int hooknum,
         ebt_ulog_packet(hooknum, skb, in, out, &loginfo, prefix);
 }
 
-static unsigned int ebt_ulog(const struct sk_buff *skb, unsigned int hooknr,
-   const struct net_device *in, const struct net_device *out,
-   const void *data, unsigned int datalen)
+static unsigned int
+ebt_ulog_tg(struct sk_buff *skb, const struct net_device *in,
+            const struct net_device *out, unsigned int hooknr,
+            const struct xt_target *target, const void *data)
 {
         const struct ebt_ulog_info *uloginfo = data;
 
@@ -256,8 +257,10 @@ static unsigned int ebt_ulog(const struct sk_buff *skb, unsigned int hooknr,
         return EBT_CONTINUE;
 }
 
-static bool ebt_ulog_check(const char *tablename, unsigned int hookmask,
-   const struct ebt_entry *e, void *data, unsigned int datalen)
+static bool
+ebt_ulog_tg_check(const char *table, const void *entry,
+                  const struct xt_target *target, void *data,
+                  unsigned int hookmask)
 {
         struct ebt_ulog_info *uloginfo = data;
 
@@ -276,8 +279,8 @@ static struct ebt_watcher ulog __read_mostly = {
         .name           = EBT_ULOG_WATCHER,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .watcher        = ebt_ulog,
-        .check          = ebt_ulog_check,
+        .target         = ebt_ulog_tg,
+        .checkentry     = ebt_ulog_tg_check,
         .targetsize     = XT_ALIGN(sizeof(struct ebt_ulog_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebt_vlan.c b/net/bridge/netfilter/ebt_vlan.c
index 9e3a39ae4660..3af688b0fc37 100644
--- a/net/bridge/netfilter/ebt_vlan.c
+++ b/net/bridge/netfilter/ebt_vlan.c
@@ -41,10 +41,9 @@ MODULE_LICENSE("GPL");
 #define EXIT_ON_MISMATCH(_MATCH_,_MASK_) {if (!((info->_MATCH_ == _MATCH_)^!!(info->invflags & _MASK_))) return false; }
 
 static bool
-ebt_filter_vlan(const struct sk_buff *skb,
-                const struct net_device *in,
-                const struct net_device *out,
-                const void *data, unsigned int datalen)
+ebt_vlan_mt(const struct sk_buff *skb, const struct net_device *in,
+            const struct net_device *out, const struct xt_match *match,
+            const void *data, int offset, unsigned int protoff, bool *hotdrop)
 {
         const struct ebt_vlan_info *info = data;
         const struct vlan_hdr *fp;
@@ -88,11 +87,12 @@ ebt_filter_vlan(const struct sk_buff *skb,
 }
 
 static bool
-ebt_check_vlan(const char *tablename,
-               unsigned int hooknr,
-               const struct ebt_entry *e, void *data, unsigned int datalen)
+ebt_vlan_mt_check(const char *table, const void *entry,
+                  const struct xt_match *match, void *data,
+                  unsigned int hook_mask)
 {
         struct ebt_vlan_info *info = data;
+        const struct ebt_entry *e = entry;
 
         /* Is it 802.1Q frame checked? */
         if (e->ethproto != htons(ETH_P_8021Q)) {
@@ -166,8 +166,8 @@ static struct ebt_match filter_vlan __read_mostly = {
         .name           = EBT_VLAN_MATCH,
         .revision       = 0,
         .family         = NFPROTO_BRIDGE,
-        .match          = ebt_filter_vlan,
-        .check          = ebt_check_vlan,
+        .match          = ebt_vlan_mt,
+        .checkentry     = ebt_vlan_mt_check,
         .matchsize      = XT_ALIGN(sizeof(struct ebt_vlan_info)),
         .me             = THIS_MODULE,
 };
diff --git a/net/bridge/netfilter/ebtables.c b/net/bridge/netfilter/ebtables.c
index bc4b3f4f37c4..340e1c6bdcb1 100644
--- a/net/bridge/netfilter/ebtables.c
+++ b/net/bridge/netfilter/ebtables.c
@@ -67,11 +67,10 @@ static struct ebt_target ebt_standard_target = {
 };
 
 static inline int ebt_do_watcher (struct ebt_entry_watcher *w,
-   const struct sk_buff *skb, unsigned int hooknr, const struct net_device *in,
+   struct sk_buff *skb, unsigned int hooknr, const struct net_device *in,
    const struct net_device *out)
 {
-        w->u.watcher->watcher(skb, hooknr, in, out, w->data,
-           w->watcher_size);
+        w->u.watcher->target(skb, in, out, hooknr, NULL, w->data);
         /* watchers don't give a verdict */
         return 0;
 }
@@ -80,8 +79,7 @@ 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, m->data,
-           m->match_size);
+        return m->u.match->match(skb, in, out, NULL, m->data, 0, 0, NULL);
 }
 
 static inline int ebt_dev_check(char *entry, const struct net_device *device)
@@ -195,8 +193,8 @@ unsigned int ebt_do_table (unsigned int hook, struct sk_buff *skb,
                 if (!t->u.target->target)
                         verdict = ((struct ebt_standard_target *)t)->verdict;
                 else
-                        verdict = t->u.target->target(skb, hook,
-                           in, out, t->data, t->target_size);
+                        verdict = t->u.target->target(skb, in, out, hook,
+                                  NULL, t->data);
                 if (verdict == EBT_ACCEPT) {
                         read_unlock_bh(&table->lock);
                         return NF_ACCEPT;
@@ -376,8 +374,8 @@ ebt_check_match(struct ebt_entry_match *m, struct ebt_entry *e,
                        match->name, XT_ALIGN(match->matchsize), m->match_size);
                 goto out;
         }
-        if (match->check &&
-            !match->check(name, hookmask, e, m->data, m->match_size)) {
+        if (match->checkentry &&
+            !match->checkentry(name, e, NULL, m->data, hookmask)) {
                 BUGPRINT("match->check failed\n");
                 goto out;
         }
@@ -426,8 +424,8 @@ ebt_check_watcher(struct ebt_entry_watcher *w, struct ebt_entry *e,
                        w->watcher_size);
                 goto out;
         }
-        if (watcher->check &&
-            !watcher->check(name, hookmask, e, w->data, w->watcher_size)) {
+        if (watcher->checkentry &&
+            !watcher->checkentry(name, e, NULL, w->data, hookmask)) {
                 BUGPRINT("watcher->check failed\n");
                 goto out;
         }
@@ -609,7 +607,7 @@ 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(m->data, m->match_size);
+                m->u.match->destroy(NULL, m->data);
         module_put(m->u.match->me);
 
         return 0;
@@ -621,7 +619,7 @@ 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(w->data, w->watcher_size);
+                w->u.watcher->destroy(NULL, w->data);
         module_put(w->u.watcher->me);
 
         return 0;
@@ -641,7 +639,7 @@ 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(t->data, t->target_size);
+                t->u.target->destroy(NULL, t->data);
         module_put(t->u.target->me);
 
         return 0;
@@ -755,8 +753,8 @@ ebt_check_entry(struct ebt_entry *e, struct ebt_table_info *newinfo,
                 module_put(t->u.target->me);
                 ret = -EINVAL;
                 goto cleanup_watchers;
-        } else if (t->u.target->check &&
-            !t->u.target->check(name, hookmask, e, t->data, t->target_size)) {
+        } else if (t->u.target->checkentry &&
+            !t->u.target->checkentry(name, e, NULL, t->data, hookmask)) {
                 module_put(t->u.target->me);
                 ret = -EFAULT;
                 goto cleanup_watchers;