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/* SPDX-License-Identifier: GPL-2.0 */
/******************************************************************************
*
* Copyright(c) 2007 - 2010 Realtek Corporation. All rights reserved.
*
* Modifications for inclusion into the Linux staging tree are
* Copyright(c) 2010 Larry Finger. All rights reserved.
*
* Contact information:
* WLAN FAE <wlanfae@realtek.com>
* Larry Finger <Larry.Finger@lwfinger.net>
*
******************************************************************************/
#ifndef _WIFI_H_
#define _WIFI_H_
#include <linux/compiler.h>
#include <linux/ieee80211.h>
#define WLAN_HDR_A3_LEN 24
#define WLAN_HDR_A3_QOS_LEN 26
#define P80211CAPTURE_VERSION 0x80211001
enum WIFI_FRAME_TYPE {
WIFI_MGT_TYPE = (0),
WIFI_CTRL_TYPE = (BIT(2)),
WIFI_DATA_TYPE = (BIT(3)),
WIFI_QOS_DATA_TYPE = (BIT(7) | BIT(3)), /*!< QoS Data */
};
enum WIFI_FRAME_SUBTYPE {
/* below is for mgt frame */
WIFI_ASSOCREQ = (0 | WIFI_MGT_TYPE),
WIFI_ASSOCRSP = (BIT(4) | WIFI_MGT_TYPE),
WIFI_REASSOCREQ = (BIT(5) | WIFI_MGT_TYPE),
WIFI_REASSOCRSP = (BIT(5) | BIT(4) | WIFI_MGT_TYPE),
WIFI_PROBEREQ = (BIT(6) | WIFI_MGT_TYPE),
WIFI_PROBERSP = (BIT(6) | BIT(4) | WIFI_MGT_TYPE),
WIFI_BEACON = (BIT(7) | WIFI_MGT_TYPE),
WIFI_ATIM = (BIT(7) | BIT(4) | WIFI_MGT_TYPE),
WIFI_DISASSOC = (BIT(7) | BIT(5) | WIFI_MGT_TYPE),
WIFI_AUTH = (BIT(7) | BIT(5) | BIT(4) | WIFI_MGT_TYPE),
WIFI_DEAUTH = (BIT(7) | BIT(6) | WIFI_MGT_TYPE),
WIFI_ACTION = (BIT(7) | BIT(6) | BIT(4) | WIFI_MGT_TYPE),
/* below is for control frame */
WIFI_PSPOLL = (BIT(7) | BIT(5) | WIFI_CTRL_TYPE),
WIFI_RTS = (BIT(7) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
WIFI_CTS = (BIT(7) | BIT(6) | WIFI_CTRL_TYPE),
WIFI_ACK = (BIT(7) | BIT(6) | BIT(4) | WIFI_CTRL_TYPE),
WIFI_CFEND = (BIT(7) | BIT(6) | BIT(5) | WIFI_CTRL_TYPE),
WIFI_CFEND_CFACK = (BIT(7) | BIT(6) | BIT(5) | BIT(4) | WIFI_CTRL_TYPE),
/* below is for data frame */
WIFI_DATA = (0 | WIFI_DATA_TYPE),
WIFI_DATA_CFACK = (BIT(4) | WIFI_DATA_TYPE),
WIFI_DATA_CFPOLL = (BIT(5) | WIFI_DATA_TYPE),
WIFI_DATA_CFACKPOLL = (BIT(5) | BIT(4) | WIFI_DATA_TYPE),
WIFI_DATA_NULL = (BIT(6) | WIFI_DATA_TYPE),
WIFI_CF_ACK = (BIT(6) | BIT(4) | WIFI_DATA_TYPE),
WIFI_CF_POLL = (BIT(6) | BIT(5) | WIFI_DATA_TYPE),
WIFI_CF_ACKPOLL = (BIT(6) | BIT(5) | BIT(4) | WIFI_DATA_TYPE),
};
enum WIFI_REG_DOMAIN {
DOMAIN_FCC = 1,
DOMAIN_IC = 2,
DOMAIN_ETSI = 3,
DOMAIN_SPAIN = 4,
DOMAIN_FRANCE = 5,
DOMAIN_MKK = 6,
DOMAIN_ISRAEL = 7,
DOMAIN_MKK1 = 8,
DOMAIN_MKK2 = 9,
DOMAIN_MKK3 = 10,
DOMAIN_MAX
};
#define SetToDs(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_TODS); \
})
#define GetToDs(pbuf) (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_TODS)) != 0)
#define ClearToDs(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_TODS)); \
})
#define SetFrDs(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_FROMDS); \
})
#define GetFrDs(pbuf) (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_FROMDS)) != 0)
#define ClearFrDs(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_FROMDS)); \
})
static inline unsigned char get_tofr_ds(unsigned char *pframe)
{
return ((GetToDs(pframe) << 1) | GetFrDs(pframe));
}
#define SetMFrag(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREFRAGS); \
})
#define GetMFrag(pbuf) (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)) != 0)
#define ClearMFrag(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREFRAGS)); \
})
#define SetRetry(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_RETRY); \
})
#define GetRetry(pbuf) (((*(__le16 *)(pbuf)) & cpu_to_le16(IEEE80211_FCTL_RETRY)) != 0)
#define ClearRetry(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_RETRY)); \
})
#define SetPwrMgt(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_PM); \
})
#define GetPwrMgt(pbuf) (((*(__le16 *)(pbuf)) & \
cpu_to_le16(IEEE80211_FCTL_PM)) != 0)
#define ClearPwrMgt(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_PM)); \
})
#define SetMData(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_MOREDATA); \
})
#define GetMData(pbuf) (((*(__le16 *)(pbuf)) & \
cpu_to_le16(IEEE80211_FCTL_MOREDATA)) != 0)
#define ClearMData(pbuf) ({ \
*(__le16 *)(pbuf) &= (~cpu_to_le16(IEEE80211_FCTL_MOREDATA)); \
})
#define SetPrivacy(pbuf) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(IEEE80211_FCTL_PROTECTED); \
})
#define GetPrivacy(pbuf) (((*(__le16 *)(pbuf)) & \
cpu_to_le16(IEEE80211_FCTL_PROTECTED)) != 0)
#define GetOrder(pbuf) (((*(__le16 *)(pbuf)) & \
cpu_to_le16(IEEE80211_FCTL_ORDER)) != 0)
#define GetFrameType(pbuf) (le16_to_cpu(*(__le16 *)(pbuf)) & \
(BIT(3) | BIT(2)))
#define SetFrameType(pbuf, type) \
do { \
*(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(3) | \
BIT(2))); \
*(__le16 *)(pbuf) |= cpu_to_le16(type); \
} while (0)
#define GetFrameSubType(pbuf) (le16_to_cpu(*(__le16 *)(pbuf)) & \
(BIT(7) | BIT(6) | BIT(5) | BIT(4) | BIT(3) | \
BIT(2)))
#define SetFrameSubType(pbuf, type) \
do { \
*(__le16 *)(pbuf) &= cpu_to_le16(~(BIT(7) | BIT(6) | \
BIT(5) | BIT(4) | BIT(3) | BIT(2))); \
*(__le16 *)(pbuf) |= cpu_to_le16(type); \
} while (0)
#define GetSequence(pbuf) (le16_to_cpu(*(__le16 *)\
((addr_t)(pbuf) + 22)) >> 4)
#define GetFragNum(pbuf) (le16_to_cpu(*(__le16 *)((addr_t)\
(pbuf) + 22)) & 0x0f)
#define SetSeqNum(pbuf, num) ({ \
*(__le16 *)((addr_t)(pbuf) + 22) = \
cpu_to_le16((le16_to_cpu(*(__le16 *)((addr_t)(pbuf) + 22)) & \
0x000f) | (0xfff0 & (num << 4))); \
})
#define SetPriority(pbuf, tid) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16(tid & 0xf); \
})
#define GetPriority(pbuf) ((le16_to_cpu(*(__le16 *)(pbuf))) & 0xf)
#define SetAckpolicy(pbuf, ack) ({ \
*(__le16 *)(pbuf) |= cpu_to_le16((ack & 3) << 5); \
})
#define GetAckpolicy(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 5) & 0x3)
#define GetAMsdu(pbuf) (((le16_to_cpu(*(__le16 *)pbuf)) >> 7) & 0x1)
#define GetAddr1Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 4))
#define GetAddr2Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 10))
#define GetAddr3Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 16))
#define GetAddr4Ptr(pbuf) ((unsigned char *)((addr_t)(pbuf) + 24))
static inline unsigned char *get_hdr_bssid(unsigned char *pframe)
{
unsigned char *sa;
unsigned int to_fr_ds = (GetToDs(pframe) << 1) | GetFrDs(pframe);
switch (to_fr_ds) {
case 0x00: /* ToDs=0, FromDs=0 */
sa = GetAddr3Ptr(pframe);
break;
case 0x01: /* ToDs=0, FromDs=1 */
sa = GetAddr2Ptr(pframe);
break;
case 0x02: /* ToDs=1, FromDs=0 */
sa = GetAddr1Ptr(pframe);
break;
default: /* ToDs=1, FromDs=1 */
sa = NULL;
break;
}
return sa;
}
/*-----------------------------------------------------------------------------
* Below is for the security related definition
*-----------------------------------------------------------------------------
*/
#define _ASOCREQ_IE_OFFSET_ 4 /* excluding wlan_hdr */
#define _ASOCRSP_IE_OFFSET_ 6
#define _REASOCREQ_IE_OFFSET_ 10
#define _REASOCRSP_IE_OFFSET_ 6
#define _PROBEREQ_IE_OFFSET_ 0
#define _PROBERSP_IE_OFFSET_ 12
#define _AUTH_IE_OFFSET_ 6
#define _DEAUTH_IE_OFFSET_ 0
#define _BEACON_IE_OFFSET_ 12
#define _FIXED_IE_LENGTH_ _BEACON_IE_OFFSET_
#define _SSID_IE_ 0
#define _SUPPORTEDRATES_IE_ 1
#define _DSSET_IE_ 3
#define _IBSS_PARA_IE_ 6
#define _ERPINFO_IE_ 42
#define _EXT_SUPPORTEDRATES_IE_ 50
#define _HT_CAPABILITY_IE_ 45
#define _HT_EXTRA_INFO_IE_ 61
#define _HT_ADD_INFO_IE_ 61 /* _HT_EXTRA_INFO_IE_ */
#define _VENDOR_SPECIFIC_IE_ 221
#define _RESERVED47_ 47
/* ---------------------------------------------------------------------------
* Below is the fixed elements...
* ---------------------------------------------------------------------------
*/
#define _AUTH_ALGM_NUM_ 2
#define _AUTH_SEQ_NUM_ 2
#define _BEACON_ITERVAL_ 2
#define _CAPABILITY_ 2
#define _CURRENT_APADDR_ 6
#define _LISTEN_INTERVAL_ 2
#define _RSON_CODE_ 2
#define _ASOC_ID_ 2
#define _STATUS_CODE_ 2
#define _TIMESTAMP_ 8
#define AUTH_ODD_TO 0
#define AUTH_EVEN_TO 1
/*-----------------------------------------------------------------------------
* Below is the definition for 802.11i / 802.1x
*------------------------------------------------------------------------------
*/
#define _IEEE8021X_MGT_ 1 /*WPA */
#define _IEEE8021X_PSK_ 2 /* WPA with pre-shared key */
/*-----------------------------------------------------------------------------
* Below is the definition for WMM
*------------------------------------------------------------------------------
*/
#define _WMM_IE_Length_ 7 /* for WMM STA */
/*-----------------------------------------------------------------------------
* Below is the definition for 802.11n
*------------------------------------------------------------------------------
*/
/*
* struct rtl_ieee80211_ht_cap - HT capabilities
*
* This structure refers to "HT capabilities element" as
* described in 802.11n draft section 7.3.2.52
*/
struct rtl_ieee80211_ht_cap {
__le16 cap_info;
unsigned char ampdu_params_info;
unsigned char supp_mcs_set[16];
__le16 extended_ht_cap_info;
__le32 tx_BF_cap_info;
unsigned char antenna_selection_info;
} __packed;
/**
* struct ieee80211_ht_addt_info - HT additional information
*
* This structure refers to "HT information element" as
* described in 802.11n draft section 7.3.2.53
*/
struct ieee80211_ht_addt_info {
unsigned char control_chan;
unsigned char ht_param;
__le16 operation_mode;
__le16 stbc_param;
unsigned char basic_set[16];
} __packed;
#endif /* _WIFI_H_ */
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