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Diffstat (limited to 'include/linux/netfilter/x_tables.h')
-rw-r--r--include/linux/netfilter/x_tables.h8
1 files changed, 8 insertions, 0 deletions
diff --git a/include/linux/netfilter/x_tables.h b/include/linux/netfilter/x_tables.h
index dc4f58a3cdcc..2ad1a2b289b5 100644
--- a/include/linux/netfilter/x_tables.h
+++ b/include/linux/netfilter/x_tables.h
@@ -6,6 +6,10 @@
#include <linux/static_key.h>
#include <uapi/linux/netfilter/x_tables.h>
+/* Test a struct->invflags and a boolean for inequality */
+#define NF_INVF(ptr, flag, boolean) \
+ ((boolean) ^ !!((ptr)->invflags & (flag)))
+
/**
* struct xt_action_param - parameters for matches/targets
*
@@ -246,6 +250,10 @@ int xt_check_entry_offsets(const void *base, const char *elems,
unsigned int target_offset,
unsigned int next_offset);
+unsigned int *xt_alloc_entry_offsets(unsigned int size);
+bool xt_find_jump_offset(const unsigned int *offsets,
+ unsigned int target, unsigned int size);
+
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,