1802d0beec
Based on 1 normalized pattern(s): 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 extracted by the scancode license scanner the SPDX license identifier GPL-2.0-only has been chosen to replace the boilerplate/reference in 655 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Reviewed-by: Kate Stewart <kstewart@linuxfoundation.org> Reviewed-by: Richard Fontana <rfontana@redhat.com> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070034.575739538@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
100 lines
2.8 KiB
C
100 lines
2.8 KiB
C
/* SPDX-License-Identifier: GPL-2.0-only */
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/*
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* Copyright (C) 2014 Fraunhofer ITWM
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*
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* Written by:
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* Phoebe Buckheister <phoebe.buckheister@itwm.fraunhofer.de>
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*/
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#ifndef MAC802154_LLSEC_H
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#define MAC802154_LLSEC_H
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#include <linux/slab.h>
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#include <linux/hashtable.h>
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#include <linux/kref.h>
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#include <linux/spinlock.h>
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#include <net/af_ieee802154.h>
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#include <net/ieee802154_netdev.h>
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struct mac802154_llsec_key {
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struct ieee802154_llsec_key key;
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/* one tfm for each authsize (4/8/16) */
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struct crypto_aead *tfm[3];
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struct crypto_sync_skcipher *tfm0;
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struct kref ref;
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};
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struct mac802154_llsec_device_key {
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struct ieee802154_llsec_device_key devkey;
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struct rcu_head rcu;
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};
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struct mac802154_llsec_device {
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struct ieee802154_llsec_device dev;
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struct hlist_node bucket_s;
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struct hlist_node bucket_hw;
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/* protects dev.frame_counter and the elements of dev.keys */
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spinlock_t lock;
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struct rcu_head rcu;
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};
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struct mac802154_llsec_seclevel {
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struct ieee802154_llsec_seclevel level;
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struct rcu_head rcu;
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};
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struct mac802154_llsec {
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struct ieee802154_llsec_params params;
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struct ieee802154_llsec_table table;
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DECLARE_HASHTABLE(devices_short, 6);
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DECLARE_HASHTABLE(devices_hw, 6);
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/* protects params, all other fields are fine with RCU */
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rwlock_t lock;
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};
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void mac802154_llsec_init(struct mac802154_llsec *sec);
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void mac802154_llsec_destroy(struct mac802154_llsec *sec);
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int mac802154_llsec_get_params(struct mac802154_llsec *sec,
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struct ieee802154_llsec_params *params);
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int mac802154_llsec_set_params(struct mac802154_llsec *sec,
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const struct ieee802154_llsec_params *params,
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int changed);
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int mac802154_llsec_key_add(struct mac802154_llsec *sec,
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const struct ieee802154_llsec_key_id *id,
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const struct ieee802154_llsec_key *key);
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int mac802154_llsec_key_del(struct mac802154_llsec *sec,
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const struct ieee802154_llsec_key_id *key);
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int mac802154_llsec_dev_add(struct mac802154_llsec *sec,
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const struct ieee802154_llsec_device *dev);
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int mac802154_llsec_dev_del(struct mac802154_llsec *sec,
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__le64 device_addr);
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int mac802154_llsec_devkey_add(struct mac802154_llsec *sec,
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__le64 dev_addr,
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const struct ieee802154_llsec_device_key *key);
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int mac802154_llsec_devkey_del(struct mac802154_llsec *sec,
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__le64 dev_addr,
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const struct ieee802154_llsec_device_key *key);
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int mac802154_llsec_seclevel_add(struct mac802154_llsec *sec,
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const struct ieee802154_llsec_seclevel *sl);
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int mac802154_llsec_seclevel_del(struct mac802154_llsec *sec,
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const struct ieee802154_llsec_seclevel *sl);
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int mac802154_llsec_encrypt(struct mac802154_llsec *sec, struct sk_buff *skb);
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int mac802154_llsec_decrypt(struct mac802154_llsec *sec, struct sk_buff *skb);
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#endif /* MAC802154_LLSEC_H */
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