netfilter: x_tables: introduce and use xt_copy_counters_from_user

[karo-tx-linux.git] / include / linux / netfilter / x_tables.h

diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index c5577410c25d3b6b3520811c994a1f3d20ed1488..04078e8a4803aad2bb638386126a9dd5070f6f3d 100644 (file)
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -239,11 +239,18 @@ void xt_unregister_match(struct xt_match *target);
 int xt_register_matches(struct xt_match *match, unsigned int n);
 void xt_unregister_matches(struct xt_match *match, unsigned int n);
 
+int xt_check_entry_offsets(const void *base, const char *elems,
+                          unsigned int target_offset,
+                          unsigned int next_offset);
+
 int xt_check_match(struct xt_mtchk_param *, unsigned int size, u_int8_t proto,
                   bool inv_proto);
 int xt_check_target(struct xt_tgchk_param *, unsigned int size, u_int8_t proto,
                    bool inv_proto);
 
+void *xt_copy_counters_from_user(const void __user *user, unsigned int len,
+                                struct xt_counters_info *info, bool compat);
+
 struct xt_table *xt_register_table(struct net *net,
                                   const struct xt_table *table,
                                   struct xt_table_info *bootstrap,
@@ -478,7 +485,7 @@ void xt_compat_init_offsets(u_int8_t af, unsigned int number);
 int xt_compat_calc_jump(u_int8_t af, unsigned int offset);
 
 int xt_compat_match_offset(const struct xt_match *match);
-int xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
+void xt_compat_match_from_user(struct xt_entry_match *m, void **dstptr,
                              unsigned int *size);
 int xt_compat_match_to_user(const struct xt_entry_match *m,
                            void __user **dstptr, unsigned int *size);
@@ -488,6 +495,9 @@ void xt_compat_target_from_user(struct xt_entry_target *t, void **dstptr,
                                unsigned int *size);
 int xt_compat_target_to_user(const struct xt_entry_target *t,
                             void __user **dstptr, unsigned int *size);
+int xt_compat_check_entry_offsets(const void *base, const char *elems,
+                                 unsigned int target_offset,
+                                 unsigned int next_offset);
 
 #endif /* CONFIG_COMPAT */
 #endif /* _X_TABLES_H */