netfilter: change Ebtables function signatures to match Xtables's

[mv-sheeva.git] / net / bridge / netfilter / ebt_pkttype.c

diff --git a/net/bridge/netfilter/ebt_pkttype.c b/net/bridge/netfilter/ebt_pkttype.c
index ecd3b42b19b0d399d526bc9d26e52e1fb5eeb2dc..06393452ef91cbca6b7c9b2eee75dbbf03a6ce1c 100644 (file)
--- a/net/bridge/netfilter/ebt_pkttype.c
+++ b/net/bridge/netfilter/ebt_pkttype.c
@@ -7,53 +7,56 @@
  *  April, 2003
  *
  */
-
+#include <linux/module.h>
+#include <linux/netfilter/x_tables.h>
 #include <linux/netfilter_bridge/ebtables.h>
 #include <linux/netfilter_bridge/ebt_pkttype.h>
-#include <linux/module.h>
 
-static int 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)
 {
-       struct ebt_pkttype_info *info = (struct ebt_pkttype_info *)data;
+       const struct ebt_pkttype_info *info = data;
 
-       return (skb->pkt_type != info->pkt_type) ^ info->invert;
+       return (skb->pkt_type == info->pkt_type) ^ info->invert;
 }
 
-static int 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)
 {
-       struct ebt_pkttype_info *info = (struct ebt_pkttype_info *)data;
+       const struct ebt_pkttype_info *info = data;
 
-       if (datalen != EBT_ALIGN(sizeof(struct ebt_pkttype_info)))
-               return -EINVAL;
        if (info->invert != 0 && info->invert != 1)
-               return -EINVAL;
+               return false;
        /* Allow any pkt_type value */
-       return 0;
+       return true;
 }
 
-static struct ebt_match filter_pkttype =
-{
+static struct ebt_match filter_pkttype __read_mostly = {
        .name           = EBT_PKTTYPE_MATCH,
-       .match          = ebt_filter_pkttype,
-       .check          = ebt_pkttype_check,
+       .revision       = 0,
+       .family         = NFPROTO_BRIDGE,
+       .match          = ebt_pkttype_mt,
+       .checkentry     = ebt_pkttype_mt_check,
+       .matchsize      = XT_ALIGN(sizeof(struct ebt_pkttype_info)),
        .me             = THIS_MODULE,
 };
 
-static int __init init(void)
+static int __init ebt_pkttype_init(void)
 {
        return ebt_register_match(&filter_pkttype);
 }
 
-static void __exit fini(void)
+static void __exit ebt_pkttype_fini(void)
 {
        ebt_unregister_match(&filter_pkttype);
 }
 
-module_init(init);
-module_exit(fini);
+module_init(ebt_pkttype_init);
+module_exit(ebt_pkttype_fini);
+MODULE_DESCRIPTION("Ebtables: Link layer packet type match");
 MODULE_LICENSE("GPL");