Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / netfilter_ipv6 / ip6_tables.h

diff --git a/kernel/include/linux/netfilter_ipv6/ip6_tables.h b/kernel/include/linux/netfilter_ipv6/ip6_tables.h
new file mode 100644 (file)
index 0000000..b40d2b6
--- /dev/null
+++ b/kernel/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 */