summaryrefslogtreecommitdiffstats
path: root/include/linux/netfilter_ipv6/ip6_tables.h
diff options
context:
space:
mode:
Diffstat (limited to 'include/linux/netfilter_ipv6/ip6_tables.h')
-rw-r--r--include/linux/netfilter_ipv6/ip6_tables.h55
1 files changed, 55 insertions, 0 deletions
diff --git a/include/linux/netfilter_ipv6/ip6_tables.h b/include/linux/netfilter_ipv6/ip6_tables.h
new file mode 100644
index 000000000..8b8885a73
--- /dev/null
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -0,0 +1,55 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * 25-Jul-1998 Major changes to allow for ip chain table
+ *
+ * 3-Jan-2000 Named tables to allow packet selection for different uses.
+ */
+
+/*
+ * Format of an IP6 firewall descriptor
+ *
+ * src, dst, src_mask, dst_mask are always stored in network byte order.
+ * flags are stored in host byte order (of course).
+ * Port numbers are stored in HOST byte order.
+ */
+#ifndef _IP6_TABLES_H
+#define _IP6_TABLES_H
+
+#include <linux/if.h>
+#include <linux/in6.h>
+#include <linux/init.h>
+#include <linux/ipv6.h>
+#include <linux/skbuff.h>
+#include <uapi/linux/netfilter_ipv6/ip6_tables.h>
+
+extern void *ip6t_alloc_initial_table(const struct xt_table *);
+
+int ip6t_register_table(struct net *net, const struct xt_table *table,
+ const struct ip6t_replace *repl,
+ const struct nf_hook_ops *ops);
+void ip6t_unregister_table_pre_exit(struct net *net, const char *name);
+void ip6t_unregister_table_exit(struct net *net, const char *name);
+extern unsigned int ip6t_do_table(void *priv, struct sk_buff *skb,
+ const struct nf_hook_state *state);
+
+#ifdef CONFIG_NETFILTER_XTABLES_COMPAT
+#include <net/compat.h>
+
+struct compat_ip6t_entry {
+ struct ip6t_ip6 ipv6;
+ compat_uint_t nfcache;
+ __u16 target_offset;
+ __u16 next_offset;
+ compat_uint_t comefrom;
+ struct compat_xt_counters counters;
+ unsigned char elems[];
+};
+
+static inline struct xt_entry_target *
+compat_ip6t_get_target(struct compat_ip6t_entry *e)
+{
+ return (void *)e + e->target_offset;
+}
+
+#endif /* CONFIG_COMPAT */
+#endif /* _IP6_TABLES_H */