ea49c359f3
The typedef is not required, we can just use "enum ieee80211_key_alg" instead of "ieee80211_key_alg" Signed-off-by: Johannes Berg <johannes@sipsolutions.net> Signed-off-by: Michael Wu <flamingice@sourmilk.net> Signed-off-by: John W. Linville <linville@tuxdriver.com>
127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
/*
|
|
* Copyright 2002-2004, Instant802 Networks, Inc.
|
|
* Copyright 2005, Devicescape Software, Inc.
|
|
*
|
|
* 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.
|
|
*/
|
|
|
|
#ifndef IEEE80211_KEY_H
|
|
#define IEEE80211_KEY_H
|
|
|
|
#include <linux/types.h>
|
|
#include <linux/list.h>
|
|
#include <linux/crypto.h>
|
|
#include <net/mac80211.h>
|
|
|
|
/* ALG_TKIP
|
|
* struct ieee80211_key::key is encoded as a 256-bit (32 byte) data block:
|
|
* Temporal Encryption Key (128 bits)
|
|
* Temporal Authenticator Tx MIC Key (64 bits)
|
|
* Temporal Authenticator Rx MIC Key (64 bits)
|
|
*/
|
|
|
|
#define WEP_IV_LEN 4
|
|
#define WEP_ICV_LEN 4
|
|
|
|
#define ALG_TKIP_KEY_LEN 32
|
|
/* Starting offsets for each key */
|
|
#define ALG_TKIP_TEMP_ENCR_KEY 0
|
|
#define ALG_TKIP_TEMP_AUTH_TX_MIC_KEY 16
|
|
#define ALG_TKIP_TEMP_AUTH_RX_MIC_KEY 24
|
|
#define TKIP_IV_LEN 8
|
|
#define TKIP_ICV_LEN 4
|
|
|
|
#define ALG_CCMP_KEY_LEN 16
|
|
#define CCMP_HDR_LEN 8
|
|
#define CCMP_MIC_LEN 8
|
|
#define CCMP_TK_LEN 16
|
|
#define CCMP_PN_LEN 6
|
|
|
|
#define NUM_RX_DATA_QUEUES 17
|
|
|
|
struct ieee80211_local;
|
|
struct ieee80211_sub_if_data;
|
|
struct sta_info;
|
|
|
|
#define KEY_FLAG_UPLOADED_TO_HARDWARE (1<<0)
|
|
|
|
struct ieee80211_key {
|
|
struct ieee80211_local *local;
|
|
struct ieee80211_sub_if_data *sdata;
|
|
struct sta_info *sta;
|
|
|
|
struct list_head list;
|
|
|
|
unsigned int flags;
|
|
|
|
union {
|
|
struct {
|
|
/* last used TSC */
|
|
u32 iv32;
|
|
u16 iv16;
|
|
u16 p1k[5];
|
|
int tx_initialized;
|
|
|
|
/* last received RSC */
|
|
u32 iv32_rx[NUM_RX_DATA_QUEUES];
|
|
u16 iv16_rx[NUM_RX_DATA_QUEUES];
|
|
u16 p1k_rx[NUM_RX_DATA_QUEUES][5];
|
|
int rx_initialized[NUM_RX_DATA_QUEUES];
|
|
} tkip;
|
|
struct {
|
|
u8 tx_pn[6];
|
|
u8 rx_pn[NUM_RX_DATA_QUEUES][6];
|
|
struct crypto_cipher *tfm;
|
|
u32 replays; /* dot11RSNAStatsCCMPReplays */
|
|
/* scratch buffers for virt_to_page() (crypto API) */
|
|
#ifndef AES_BLOCK_LEN
|
|
#define AES_BLOCK_LEN 16
|
|
#endif
|
|
u8 tx_crypto_buf[6 * AES_BLOCK_LEN];
|
|
u8 rx_crypto_buf[6 * AES_BLOCK_LEN];
|
|
} ccmp;
|
|
} u;
|
|
|
|
/* number of times this key has been used */
|
|
int tx_rx_count;
|
|
|
|
#ifdef CONFIG_MAC80211_DEBUGFS
|
|
struct {
|
|
struct dentry *stalink;
|
|
struct dentry *dir;
|
|
struct dentry *keylen;
|
|
struct dentry *flags;
|
|
struct dentry *keyidx;
|
|
struct dentry *hw_key_idx;
|
|
struct dentry *tx_rx_count;
|
|
struct dentry *algorithm;
|
|
struct dentry *tx_spec;
|
|
struct dentry *rx_spec;
|
|
struct dentry *replays;
|
|
struct dentry *key;
|
|
struct dentry *ifindex;
|
|
} debugfs;
|
|
#endif
|
|
|
|
/*
|
|
* key config, must be last because it contains key
|
|
* material as variable length member
|
|
*/
|
|
struct ieee80211_key_conf conf;
|
|
};
|
|
|
|
struct ieee80211_key *ieee80211_key_alloc(struct ieee80211_sub_if_data *sdata,
|
|
struct sta_info *sta,
|
|
enum ieee80211_key_alg alg,
|
|
int idx,
|
|
size_t key_len,
|
|
const u8 *key_data);
|
|
void ieee80211_key_free(struct ieee80211_key *key);
|
|
void ieee80211_set_default_key(struct ieee80211_sub_if_data *sdata, int idx);
|
|
void ieee80211_free_keys(struct ieee80211_sub_if_data *sdata);
|
|
void ieee80211_enable_keys(struct ieee80211_sub_if_data *sdata);
|
|
void ieee80211_disable_keys(struct ieee80211_sub_if_data *sdata);
|
|
|
|
#endif /* IEEE80211_KEY_H */
|