diff options
Diffstat (limited to 'drivers/net/wireless/hostap/hostap_crypt.c')
-rw-r--r-- | drivers/net/wireless/hostap/hostap_crypt.c | 167 |
1 files changed, 0 insertions, 167 deletions
diff --git a/drivers/net/wireless/hostap/hostap_crypt.c b/drivers/net/wireless/hostap/hostap_crypt.c deleted file mode 100644 index de5390d502f..00000000000 --- a/drivers/net/wireless/hostap/hostap_crypt.c +++ /dev/null @@ -1,167 +0,0 @@ -/* - * Host AP crypto routines - * - * Copyright (c) 2002-2003, Jouni Malinen <jkmaline@cc.hut.fi> - * - * 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. See README and COPYING for - * more details. - */ - -struct hostap_crypto_alg { - struct list_head list; - struct hostap_crypto_ops *ops; -}; - - -struct hostap_crypto { - struct list_head algs; - spinlock_t lock; -}; - -static struct hostap_crypto *hcrypt; - - -int hostap_register_crypto_ops(struct hostap_crypto_ops *ops) -{ - unsigned long flags; - struct hostap_crypto_alg *alg; - - if (hcrypt == NULL) - return -1; - - alg = (struct hostap_crypto_alg *) kmalloc(sizeof(*alg), GFP_KERNEL); - if (alg == NULL) - return -ENOMEM; - - memset(alg, 0, sizeof(*alg)); - alg->ops = ops; - - spin_lock_irqsave(&hcrypt->lock, flags); - list_add(&alg->list, &hcrypt->algs); - spin_unlock_irqrestore(&hcrypt->lock, flags); - - printk(KERN_DEBUG "hostap_crypt: registered algorithm '%s'\n", - ops->name); - - return 0; -} - - -int hostap_unregister_crypto_ops(struct hostap_crypto_ops *ops) -{ - unsigned long flags; - struct list_head *ptr; - struct hostap_crypto_alg *del_alg = NULL; - - if (hcrypt == NULL) - return -1; - - spin_lock_irqsave(&hcrypt->lock, flags); - for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) { - struct hostap_crypto_alg *alg = - (struct hostap_crypto_alg *) ptr; - if (alg->ops == ops) { - list_del(&alg->list); - del_alg = alg; - break; - } - } - spin_unlock_irqrestore(&hcrypt->lock, flags); - - if (del_alg) { - printk(KERN_DEBUG "hostap_crypt: unregistered algorithm " - "'%s'\n", ops->name); - kfree(del_alg); - } - - return del_alg ? 0 : -1; -} - - -struct hostap_crypto_ops * hostap_get_crypto_ops(const char *name) -{ - unsigned long flags; - struct list_head *ptr; - struct hostap_crypto_alg *found_alg = NULL; - - if (hcrypt == NULL) - return NULL; - - spin_lock_irqsave(&hcrypt->lock, flags); - for (ptr = hcrypt->algs.next; ptr != &hcrypt->algs; ptr = ptr->next) { - struct hostap_crypto_alg *alg = - (struct hostap_crypto_alg *) ptr; - if (strcmp(alg->ops->name, name) == 0) { - found_alg = alg; - break; - } - } - spin_unlock_irqrestore(&hcrypt->lock, flags); - - if (found_alg) - return found_alg->ops; - else - return NULL; -} - - -static void * hostap_crypt_null_init(int keyidx) { return (void *) 1; } -static void hostap_crypt_null_deinit(void *priv) {} - -static struct hostap_crypto_ops hostap_crypt_null = { - .name = "NULL", - .init = hostap_crypt_null_init, - .deinit = hostap_crypt_null_deinit, - .encrypt_mpdu = NULL, - .decrypt_mpdu = NULL, - .encrypt_msdu = NULL, - .decrypt_msdu = NULL, - .set_key = NULL, - .get_key = NULL, - .extra_prefix_len = 0, - .extra_postfix_len = 0 -}; - - -static int __init hostap_crypto_init(void) -{ - hcrypt = (struct hostap_crypto *) kmalloc(sizeof(*hcrypt), GFP_KERNEL); - if (hcrypt == NULL) - return -ENOMEM; - - memset(hcrypt, 0, sizeof(*hcrypt)); - INIT_LIST_HEAD(&hcrypt->algs); - spin_lock_init(&hcrypt->lock); - - (void) hostap_register_crypto_ops(&hostap_crypt_null); - - return 0; -} - - -static void __exit hostap_crypto_deinit(void) -{ - struct list_head *ptr, *n; - - if (hcrypt == NULL) - return; - - for (ptr = hcrypt->algs.next, n = ptr->next; ptr != &hcrypt->algs; - ptr = n, n = ptr->next) { - struct hostap_crypto_alg *alg = - (struct hostap_crypto_alg *) ptr; - list_del(ptr); - printk(KERN_DEBUG "hostap_crypt: unregistered algorithm " - "'%s' (deinit)\n", alg->ops->name); - kfree(alg); - } - - kfree(hcrypt); -} - - -EXPORT_SYMBOL(hostap_register_crypto_ops); -EXPORT_SYMBOL(hostap_unregister_crypto_ops); -EXPORT_SYMBOL(hostap_get_crypto_ops); |