linux/drivers/net/wireless/ath/key.c

/*
 * Copyright (c) 2009 Atheros Communications Inc.
 * Copyright (c) 2010 Bruno Randolf <[email protected]>
 *
 * Permission to use, copy, modify, and/or distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#include <linux/export.h>
#include <asm/unaligned.h>
#include <net/mac80211.h>

#include "ath.h"
#include "reg.h"

#define REG_READ …
#define REG_WRITE(_ah, _reg, _val) …
#define ENABLE_REGWRITE_BUFFER(_ah) …

#define REGWRITE_BUFFER_FLUSH(_ah) …


#define IEEE80211_WEP_NKID …

/************************/
/* Key Cache Management */
/************************/

bool ath_hw_keyreset(struct ath_common *common, u16 entry)
{ … }
EXPORT_SYMBOL(…);

bool ath_hw_keysetmac(struct ath_common *common, u16 entry, const u8 *mac)
{ … }
EXPORT_SYMBOL(…);

static bool ath_hw_set_keycache_entry(struct ath_common *common, u16 entry,
				      const struct ath_keyval *k,
				      const u8 *mac)
{ … }

static int ath_setkey_tkip(struct ath_common *common, u16 keyix, const u8 *key,
			   struct ath_keyval *hk, const u8 *addr,
			   bool authenticator)
{ … }

static int ath_reserve_key_cache_slot_tkip(struct ath_common *common)
{ … }

static int ath_reserve_key_cache_slot(struct ath_common *common,
				      u32 cipher)
{ … }

/*
 * Configure encryption in the HW.
 */
int ath_key_config(struct ath_common *common,
			  struct ieee80211_vif *vif,
			  struct ieee80211_sta *sta,
			  struct ieee80211_key_conf *key)
{ … }
EXPORT_SYMBOL(…);

/*
 * Delete Key.
 */
void ath_key_delete(struct ath_common *common, u8 hw_key_idx)
{ … }
EXPORT_SYMBOL(…);