[NETFILTER]: ip_tables: fix compat types

[linux-2.6-omap-h63xx.git] / include / linux / netfilter_ipv4 / ip_tables.h

diff --git a/include/linux/netfilter_ipv4/ip_tables.h b/include/linux/netfilter_ipv4/ip_tables.h
index 9527296595cd41f9cf1b437e7d204b687ee83ea1..45fcad91e67b4df4246b47c425e941e06f3c1117 100644 (file)
--- a/include/linux/netfilter_ipv4/ip_tables.h
+++ b/include/linux/netfilter_ipv4/ip_tables.h
@@ -156,10 +156,10 @@ struct ipt_getinfo
        unsigned int valid_hooks;
 
        /* Hook entry points: one per netfilter hook. */
-       unsigned int hook_entry[NF_IP_NUMHOOKS];
+       unsigned int hook_entry[NF_INET_NUMHOOKS];
 
        /* Underflow points. */
-       unsigned int underflow[NF_IP_NUMHOOKS];
+       unsigned int underflow[NF_INET_NUMHOOKS];
 
        /* Number of entries */
        unsigned int num_entries;
@@ -185,10 +185,10 @@ struct ipt_replace
        unsigned int size;
 
        /* Hook entry points. */
-       unsigned int hook_entry[NF_IP_NUMHOOKS];
+       unsigned int hook_entry[NF_INET_NUMHOOKS];
 
        /* Underflow points. */
-       unsigned int underflow[NF_IP_NUMHOOKS];
+       unsigned int underflow[NF_INET_NUMHOOKS];
 
        /* Information about old entries: */
        /* Number of counters (must be equal to current number of entries). */
@@ -229,40 +229,12 @@ ipt_get_target(struct ipt_entry *e)
 }
 
 /* fn returns 0 to continue iteration */
-#define IPT_MATCH_ITERATE(e, fn, args...)      \
-({                                             \
-       unsigned int __i;                       \
-       int __ret = 0;                          \
-       struct ipt_entry_match *__match;        \
-                                               \
-       for (__i = sizeof(struct ipt_entry);    \
-            __i < (e)->target_offset;          \
-            __i += __match->u.match_size) {    \
-               __match = (void *)(e) + __i;    \
-                                               \
-               __ret = fn(__match , ## args);  \
-               if (__ret != 0)                 \
-                       break;                  \
-       }                                       \
-       __ret;                                  \
-})
+#define IPT_MATCH_ITERATE(e, fn, args...) \
+       XT_MATCH_ITERATE(struct ipt_entry, e, fn, ## args)
 
 /* fn returns 0 to continue iteration */
-#define IPT_ENTRY_ITERATE(entries, size, fn, args...)          \
-({                                                             \
-       unsigned int __i;                                       \
-       int __ret = 0;                                          \
-       struct ipt_entry *__entry;                              \
-                                                               \
-       for (__i = 0; __i < (size); __i += __entry->next_offset) { \
-               __entry = (void *)(entries) + __i;              \
-                                                               \
-               __ret = fn(__entry , ## args);                  \
-               if (__ret != 0)                                 \
-                       break;                                  \
-       }                                                       \
-       __ret;                                                  \
-})
+#define IPT_ENTRY_ITERATE(entries, size, fn, args...) \
+       XT_ENTRY_ITERATE(struct ipt_entry, entries, size, fn, ## args)
 
 /*
  *     Main firewall chains definitions and global var's definitions.
@@ -295,7 +267,29 @@ struct ipt_error
        struct ipt_error_target target;
 };
 
-extern unsigned int ipt_do_table(struct sk_buff **pskb,
+#define IPT_ENTRY_INIT(__size)                                                \
+{                                                                             \
+       .target_offset  = sizeof(struct ipt_entry),                            \
+       .next_offset    = (__size),                                            \
+}
+
+#define IPT_STANDARD_INIT(__verdict)                                          \
+{                                                                             \
+       .entry          = IPT_ENTRY_INIT(sizeof(struct ipt_standard)),         \
+       .target         = XT_TARGET_INIT(IPT_STANDARD_TARGET,                  \
+                                        sizeof(struct xt_standard_target)),   \
+       .target.verdict = -(__verdict) - 1,                                    \
+}
+
+#define IPT_ERROR_INIT                                                        \
+{                                                                             \
+       .entry          = IPT_ENTRY_INIT(sizeof(struct ipt_error)),            \
+       .target         = XT_TARGET_INIT(IPT_ERROR_TARGET,                     \
+                                        sizeof(struct ipt_error_target)),     \
+       .target.errorname = "ERROR",                                           \
+}
+
+extern unsigned int ipt_do_table(struct sk_buff *skb,
                                 unsigned int hook,
                                 const struct net_device *in,
                                 const struct net_device *out,
@@ -317,8 +311,28 @@ struct compat_ipt_entry
        unsigned char elems[0];
 };
 
+/* Helper functions */
+static inline struct ipt_entry_target *
+compat_ipt_get_target(struct compat_ipt_entry *e)
+{
+       return (void *)e + e->target_offset;
+}
+
 #define COMPAT_IPT_ALIGN(s)    COMPAT_XT_ALIGN(s)
 
+/* fn returns 0 to continue iteration */
+#define COMPAT_IPT_MATCH_ITERATE(e, fn, args...) \
+       XT_MATCH_ITERATE(struct compat_ipt_entry, e, fn, ## args)
+
+/* fn returns 0 to continue iteration */
+#define COMPAT_IPT_ENTRY_ITERATE(entries, size, fn, args...) \
+       XT_ENTRY_ITERATE(struct compat_ipt_entry, entries, size, fn, ## args)
+
+/* fn returns 0 to continue iteration */
+#define COMPAT_IPT_ENTRY_ITERATE_CONTINUE(entries, size, n, fn, args...) \
+       XT_ENTRY_ITERATE_CONTINUE(struct compat_ipt_entry, entries, size, n, \
+                                 fn, ## args)
+
 #endif /* CONFIG_COMPAT */
 #endif /*__KERNEL__*/
 #endif /* _IPTABLES_H */