Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / include / linux / netfilter_ipv4 / ip_tables.h

diff --git a/kernel/include/linux/netfilter_ipv4/ip_tables.h b/kernel/include/linux/netfilter_ipv4/ip_tables.h
new file mode 100644 (file)
index 0000000..4073510
--- /dev/null
+++ b/kernel/include/linux/netfilter_ipv4/ip_tables.h
@@ -0,0 +1,92 @@
+/*
+ * 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 IP 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 _IPTABLES_H
+#define _IPTABLES_H
+
+#include <linux/if.h>
+#include <linux/in.h>
+#include <linux/ip.h>
+#include <linux/skbuff.h>
+
+#include <linux/init.h>
+#include <uapi/linux/netfilter_ipv4/ip_tables.h>
+
+extern void ipt_init(void) __init;
+
+extern struct xt_table *ipt_register_table(struct net *net,
+                                          const struct xt_table *table,
+                                          const struct ipt_replace *repl);
+extern void ipt_unregister_table(struct net *net, struct xt_table *table);
+
+/* Standard entry. */
+struct ipt_standard {
+       struct ipt_entry entry;
+       struct xt_standard_target target;
+};
+
+struct ipt_error {
+       struct ipt_entry entry;
+       struct xt_error_target target;
+};
+
+#define IPT_ENTRY_INIT(__size)                                                \
+{                                                                             \
+       .target_offset  = sizeof(struct ipt_entry),                            \
+       .next_offset    = (__size),                                            \
+}
+
+#define IPT_STANDARD_INIT(__verdict)                                          \
+{                                                                             \
+       .entry          = IPT_ENTRY_INIT(sizeof(struct ipt_standard)),         \
+       .target         = XT_TARGET_INIT(XT_STANDARD_TARGET,                   \
+                                        sizeof(struct xt_standard_target)),   \
+       .target.verdict = -(__verdict) - 1,                                    \
+}
+
+#define IPT_ERROR_INIT                                                        \
+{                                                                             \
+       .entry          = IPT_ENTRY_INIT(sizeof(struct ipt_error)),            \
+       .target         = XT_TARGET_INIT(XT_ERROR_TARGET,                      \
+                                        sizeof(struct xt_error_target)),      \
+       .target.errorname = "ERROR",                                           \
+}
+
+extern void *ipt_alloc_initial_table(const struct xt_table *);
+extern unsigned int ipt_do_table(struct sk_buff *skb,
+                                unsigned int hook,
+                                const struct nf_hook_state *state,
+                                struct xt_table *table);
+
+#ifdef CONFIG_COMPAT
+#include <net/compat.h>
+
+struct compat_ipt_entry {
+       struct ipt_ip ip;
+       compat_uint_t nfcache;
+       __u16 target_offset;
+       __u16 next_offset;
+       compat_uint_t comefrom;
+       struct compat_xt_counters counters;
+       unsigned char elems[0];
+};
+
+/* Helper functions */
+static inline struct xt_entry_target *
+compat_ipt_get_target(struct compat_ipt_entry *e)
+{
+       return (void *)e + e->target_offset;
+}
+
+#endif /* CONFIG_COMPAT */
+#endif /* _IPTABLES_H */