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/*
* Copyright (c) 2010 Broadcom Corporation
*
* 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.
*/
#ifndef _BCMWPA_H_
#define _BCMWPA_H_
#include <proto/wpa.h>
#include <proto/802.11.h>
#include <wlioctl.h>
/* Field sizes for WPA key hierarchy */
#define WPA_MIC_KEY_LEN 16
#define WPA_ENCR_KEY_LEN 16
#define WPA_TEMP_ENCR_KEY_LEN 16
#define WPA_TEMP_TX_KEY_LEN 8
#define WPA_TEMP_RX_KEY_LEN 8
#define PMK_LEN 32
#define TKIP_PTK_LEN 64
#define TKIP_TK_LEN 32
#define AES_PTK_LEN 48
#define AES_TK_LEN 16
/* limits for pre-shared key lengths */
#define WPA_MIN_PSK_LEN 8
#define WPA_MAX_PSK_LEN 64
#define WLC_SW_KEYS(wlc, bsscfg) ((((wlc)->wsec_swkeys) || \
((bsscfg)->wsec & WSEC_SWFLAG)))
#define WSEC_WEP_ENABLED(wsec) ((wsec) & WEP_ENABLED)
#define WSEC_TKIP_ENABLED(wsec) ((wsec) & TKIP_ENABLED)
#define WSEC_AES_ENABLED(wsec) ((wsec) & AES_ENABLED)
#define WSEC_ENABLED(wsec) ((wsec) & (WEP_ENABLED | TKIP_ENABLED | AES_ENABLED))
#define WSEC_SES_OW_ENABLED(wsec) ((wsec) & SES_OW_ENABLED)
#define IS_WPA_AUTH(auth) ((auth) == WPA_AUTH_NONE || \
(auth) == WPA_AUTH_UNSPECIFIED || \
(auth) == WPA_AUTH_PSK)
#define INCLUDES_WPA_AUTH(auth) \
((auth) & (WPA_AUTH_NONE | WPA_AUTH_UNSPECIFIED | WPA_AUTH_PSK))
#define IS_WPA2_AUTH(auth) ((auth) == WPA2_AUTH_UNSPECIFIED || \
(auth) == WPA2_AUTH_PSK)(
#define INCLUDES_WPA2_AUTH(auth) \
((auth) & (WPA2_AUTH_UNSPECIFIED | \
WPA2_AUTH_PSK))
#define IS_WPA_AKM(akm) ((akm) == RSN_AKM_NONE || \
(akm) == RSN_AKM_UNSPECIFIED || \
(akm) == RSN_AKM_PSK)
#define IS_WPA2_AKM(akm) ((akm) == RSN_AKM_UNSPECIFIED || \
(akm) == RSN_AKM_PSK)
#define MAX_ARRAY 1
#define MIN_ARRAY 0
/* convert wsec to WPA mcast cipher. algo is needed only when WEP is enabled. */
#define WPA_MCAST_CIPHER(wsec, algo) (WSEC_WEP_ENABLED(wsec) ? \
((algo) == CRYPTO_ALGO_WEP128 ? WPA_CIPHER_WEP_104 : WPA_CIPHER_WEP_40) : \
WSEC_TKIP_ENABLED(wsec) ? WPA_CIPHER_TKIP : \
WSEC_AES_ENABLED(wsec) ? WPA_CIPHER_AES_CCM : \
WPA_CIPHER_NONE)
/* Look for a WPA IE; return it's address if found, NULL otherwise */
extern wpa_ie_fixed_t *BCMROMFN(bcm_find_wpaie) (uint8 * parse, uint len);
/* Check whether the given IE looks like WFA IE with the specific type. */
extern bool bcm_is_wfa_ie(uint8 * ie, uint8 ** tlvs, uint * tlvs_len,
uint8 type);
/* Check whether pointed-to IE looks like WPA. */
#define bcm_is_wpa_ie(ie, tlvs, len) bcm_is_wfa_ie(ie, tlvs, len, WFA_OUI_TYPE_WPA)
#endif /* _BCMWPA_H_ */
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