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9695371862
This patch replaces uses of blkcipher with skcipher. Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au> Reviewed-by: Stefan Schmidt <stefan@osg.samsung.com>
108 lines
3.1 KiB
C
108 lines
3.1 KiB
C
/*
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* Copyright (C) 2014 Fraunhofer ITWM
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2
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* as published by the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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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_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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