summaryrefslogtreecommitdiffstats
path: root/net/mac802154/llsec.h
diff options
context:
space:
mode:
Diffstat (limited to 'net/mac802154/llsec.h')
-rw-r--r--net/mac802154/llsec.h99
1 files changed, 99 insertions, 0 deletions
diff --git a/net/mac802154/llsec.h b/net/mac802154/llsec.h
new file mode 100644
index 000000000..ddeb79228
--- /dev/null
+++ b/net/mac802154/llsec.h
@@ -0,0 +1,99 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/*
+ * Copyright (C) 2014 Fraunhofer ITWM
+ *
+ * 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/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_sync_skcipher *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 */