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authorAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
committerAndré Fabian Silva Delgado <emulatorman@parabola.nu>2015-08-05 17:04:01 -0300
commit57f0f512b273f60d52568b8c6b77e17f5636edc0 (patch)
tree5e910f0e82173f4ef4f51111366a3f1299037a7b /include/linux/netfilter_ipv6
Initial import
Diffstat (limited to 'include/linux/netfilter_ipv6')
-rw-r--r--include/linux/netfilter_ipv6/ip6_tables.h69
1 files changed, 69 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..b40d2b635
--- /dev/null
+++ b/include/linux/netfilter_ipv6/ip6_tables.h
@@ -0,0 +1,69 @@
+/*
+ * 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/ipv6.h>
+#include <linux/skbuff.h>
+
+#include <linux/init.h>
+#include <uapi/linux/netfilter_ipv6/ip6_tables.h>
+
+extern void ip6t_init(void) __init;
+
+extern void *ip6t_alloc_initial_table(const struct xt_table *);
+extern struct xt_table *ip6t_register_table(struct net *net,
+ const struct xt_table *table,
+ const struct ip6t_replace *repl);
+extern void ip6t_unregister_table(struct net *net, struct xt_table *table);
+extern unsigned int ip6t_do_table(struct sk_buff *skb,
+ unsigned int hook,
+ const struct nf_hook_state *state,
+ struct xt_table *table);
+
+/* Check for an extension */
+static inline int
+ip6t_ext_hdr(u8 nexthdr)
+{ return (nexthdr == IPPROTO_HOPOPTS) ||
+ (nexthdr == IPPROTO_ROUTING) ||
+ (nexthdr == IPPROTO_FRAGMENT) ||
+ (nexthdr == IPPROTO_ESP) ||
+ (nexthdr == IPPROTO_AH) ||
+ (nexthdr == IPPROTO_NONE) ||
+ (nexthdr == IPPROTO_DSTOPTS);
+}
+
+#ifdef CONFIG_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[0];
+};
+
+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 */