Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / net / mac802154 / llsec.h

diff --git a/kernel/net/mac802154/llsec.h b/kernel/net/mac802154/llsec.h
new file mode 100644 (file)
index 0000000..950578e
--- /dev/null
+++ b/kernel/net/mac802154/llsec.h
@@ -0,0 +1,108 @@
+/*
+ * Copyright (C) 2014 Fraunhofer ITWM
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * Written by:
+ * Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
+ */
+
+#ifndef MAC802154_LLSEC_H
+#define MAC802154_LLSEC_H
+
+#include <linux/slab.h>
+#include <linux/hashtable.h>
+#include <linux/crypto.h>
+#include <linux/kref.h>
+#include <linux/spinlock.h>
+#include <net/af_ieee802154.h>
+#include <net/ieee802154_netdev.h>
+
+struct mac802154_llsec_key {
+       struct ieee802154_llsec_key key;
+
+       /* one tfm for each authsize (4/8/16) */
+       struct crypto_aead *tfm[3];
+       struct crypto_blkcipher *tfm0;
+
+       struct kref ref;
+};
+
+struct mac802154_llsec_device_key {
+       struct ieee802154_llsec_device_key devkey;
+
+       struct rcu_head rcu;
+};
+
+struct mac802154_llsec_device {
+       struct ieee802154_llsec_device dev;
+
+       struct hlist_node bucket_s;
+       struct hlist_node bucket_hw;
+
+       /* protects dev.frame_counter and the elements of dev.keys */
+       spinlock_t lock;
+
+       struct rcu_head rcu;
+};
+
+struct mac802154_llsec_seclevel {
+       struct ieee802154_llsec_seclevel level;
+
+       struct rcu_head rcu;
+};
+
+struct mac802154_llsec {
+       struct ieee802154_llsec_params params;
+       struct ieee802154_llsec_table table;
+
+       DECLARE_HASHTABLE(devices_short, 6);
+       DECLARE_HASHTABLE(devices_hw, 6);
+
+       /* protects params, all other fields are fine with RCU */
+       rwlock_t lock;
+};
+
+void mac802154_llsec_init(struct mac802154_llsec *sec);
+void mac802154_llsec_destroy(struct mac802154_llsec *sec);
+
+int mac802154_llsec_get_params(struct mac802154_llsec *sec,
+                              struct ieee802154_llsec_params *params);
+int mac802154_llsec_set_params(struct mac802154_llsec *sec,
+                              const struct ieee802154_llsec_params *params,
+                              int changed);
+
+int mac802154_llsec_key_add(struct mac802154_llsec *sec,
+                           const struct ieee802154_llsec_key_id *id,
+                           const struct ieee802154_llsec_key *key);
+int mac802154_llsec_key_del(struct mac802154_llsec *sec,
+                           const struct ieee802154_llsec_key_id *key);
+
+int mac802154_llsec_dev_add(struct mac802154_llsec *sec,
+                           const struct ieee802154_llsec_device *dev);
+int mac802154_llsec_dev_del(struct mac802154_llsec *sec,
+                           __le64 device_addr);
+
+int mac802154_llsec_devkey_add(struct mac802154_llsec *sec,
+                              __le64 dev_addr,
+                              const struct ieee802154_llsec_device_key *key);
+int mac802154_llsec_devkey_del(struct mac802154_llsec *sec,
+                              __le64 dev_addr,
+                              const struct ieee802154_llsec_device_key *key);
+
+int mac802154_llsec_seclevel_add(struct mac802154_llsec *sec,
+                                const struct ieee802154_llsec_seclevel *sl);
+int mac802154_llsec_seclevel_del(struct mac802154_llsec *sec,
+                                const struct ieee802154_llsec_seclevel *sl);
+
+int mac802154_llsec_encrypt(struct mac802154_llsec *sec, struct sk_buff *skb);
+int mac802154_llsec_decrypt(struct mac802154_llsec *sec, struct sk_buff *skb);
+
+#endif /* MAC802154_LLSEC_H */