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-rw-r--r--include/net/calipso.h77
1 files changed, 77 insertions, 0 deletions
diff --git a/include/net/calipso.h b/include/net/calipso.h
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+++ b/include/net/calipso.h
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+/* SPDX-License-Identifier: GPL-2.0-or-later */
+/*
+ * CALIPSO - Common Architecture Label IPv6 Security Option
+ *
+ * This is an implementation of the CALIPSO protocol as specified in
+ * RFC 5570.
+ *
+ * Authors: Paul Moore <paul@paul-moore.com>
+ * Huw Davies <huw@codeweavers.com>
+ */
+
+/*
+ * (c) Copyright Hewlett-Packard Development Company, L.P., 2006
+ * (c) Copyright Huw Davies <huw@codeweavers.com>, 2015
+ */
+
+#ifndef _CALIPSO_H
+#define _CALIPSO_H
+
+#include <linux/types.h>
+#include <linux/rcupdate.h>
+#include <linux/list.h>
+#include <linux/net.h>
+#include <linux/skbuff.h>
+#include <net/netlabel.h>
+#include <net/request_sock.h>
+#include <linux/refcount.h>
+#include <asm/unaligned.h>
+
+/* known doi values */
+#define CALIPSO_DOI_UNKNOWN 0x00000000
+
+/* doi mapping types */
+#define CALIPSO_MAP_UNKNOWN 0
+#define CALIPSO_MAP_PASS 2
+
+/*
+ * CALIPSO DOI definitions
+ */
+
+/* DOI definition struct */
+struct calipso_doi {
+ u32 doi;
+ u32 type;
+
+ refcount_t refcount;
+ struct list_head list;
+ struct rcu_head rcu;
+};
+
+/*
+ * Sysctl Variables
+ */
+extern int calipso_cache_enabled;
+extern int calipso_cache_bucketsize;
+
+#ifdef CONFIG_NETLABEL
+int __init calipso_init(void);
+void calipso_exit(void);
+bool calipso_validate(const struct sk_buff *skb, const unsigned char *option);
+#else
+static inline int __init calipso_init(void)
+{
+ return 0;
+}
+
+static inline void calipso_exit(void)
+{
+}
+static inline bool calipso_validate(const struct sk_buff *skb,
+ const unsigned char *option)
+{
+ return true;
+}
+#endif /* CONFIG_NETLABEL */
+
+#endif /* _CALIPSO_H */