projects / deliverable / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| 1f5a7e47 JB |
1 | /* |
| 2 | * Copyright 2002-2005, Instant802 Networks, Inc. | |
| 3 | * Copyright 2005-2006, Devicescape Software, Inc. | |
| 4 | * Copyright 2006-2007 Jiri Benc <jbenc@suse.cz> | |
| 5 | * | |
| 6 | * This program is free software; you can redistribute it and/or modify | |
| 7 | * it under the terms of the GNU General Public License version 2 as | |
| 8 | * published by the Free Software Foundation. | |
| 9 | */ | |
| 10 | ||
| 11 | #include <net/mac80211.h> | |
| 12 | #include "ieee80211_i.h" | |
| 13 | #include "debugfs_key.h" | |
| 14 | #include "aes_ccm.h" | |
| 15 | ||
| 1f5a7e47 JB |
16 | struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata, |
| 17 | int idx, size_t key_len, gfp_t flags) | |
| 18 | { | |
| 19 | struct ieee80211_key *key; | |
| 20 | ||
| 21 | key = kzalloc(sizeof(struct ieee80211_key) + key_len, flags); | |
| 22 | if (!key) | |
| 23 | return NULL; | |
| 24 | kref_init(&key->kref); | |
| 25 | return key; | |
| 26 | } | |
| 27 | ||
| 28 | static void ieee80211_key_release(struct kref *kref) | |
| 29 | { | |
| 30 | struct ieee80211_key *key; | |
| 31 | ||
| 32 | key = container_of(kref, struct ieee80211_key, kref); | |
| 8f20fc24 | 33 | if (key->conf.alg == ALG_CCMP) |
| 1f5a7e47 JB |
34 | ieee80211_aes_key_free(key->u.ccmp.tfm); |
| 35 | ieee80211_debugfs_key_remove(key); | |
| 36 | kfree(key); | |
| 37 | } | |
| 38 | ||
| 39 | void ieee80211_key_free(struct ieee80211_key *key) | |
| 40 | { | |
| 41 | if (key) | |
| 42 | kref_put(&key->kref, ieee80211_key_release); | |
| 43 | } |