* with this program; if not, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*
- *
* File: 80211hdr.h
*
* Purpose: 802.11 MAC headers related pre-defines and macros.
*
- *
* Author: Lyndon Chen
*
* Date: Apr 8, 2002
- *
*/
#ifndef __80211HDR_H__
#include "ttype.h"
/*--------------------- Export Definitions -------------------------*/
-// bit type
+
+/* bit type */
#define BIT0 0x00000001
#define BIT1 0x00000002
#define BIT2 0x00000004
#define BIT30 0x40000000
#define BIT31 0x80000000
-// 802.11 frame related, defined as 802.11 spec
+/* 802.11 frame related, defined as 802.11 spec */
#define WLAN_ADDR_LEN 6
#define WLAN_CRC_LEN 4
#define WLAN_CRC32_LEN 4
#define WLAN_HDR_ADDR4_LEN 30
#define WLAN_IEHDR_LEN 2
#define WLAN_SSID_MAXLEN 32
-//#define WLAN_RATES_MAXLEN 255
+/* #define WLAN_RATES_MAXLEN 255 */
#define WLAN_RATES_MAXLEN 16
#define WLAN_RATES_MAXLEN_11B 4
#define WLAN_RSN_MAXLEN 32
#define WLAN_DATA_MAXLEN 2312
-#define WLAN_A3FR_MAXLEN (WLAN_HDR_ADDR3_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)
-
+#define WLAN_A3FR_MAXLEN (WLAN_HDR_ADDR3_LEN \
+ + WLAN_DATA_MAXLEN \
+ + WLAN_CRC_LEN)
#define WLAN_BEACON_FR_MAXLEN WLAN_A3FR_MAXLEN
#define WLAN_ATIM_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 0)
#define WLAN_AUTHEN_FR_MAXLEN WLAN_A3FR_MAXLEN
#define WLAN_DEAUTHEN_FR_MAXLEN (WLAN_HDR_ADDR3_LEN + 2)
-
#define WLAN_WEP_NKEYS 4
#define WLAN_WEP40_KEYLEN 5
#define WLAN_WEP104_KEYLEN 13
#define WLAN_WEP232_KEYLEN 29
-//#define WLAN_WEPMAX_KEYLEN 29
+/* #define WLAN_WEPMAX_KEYLEN 29 */
#define WLAN_WEPMAX_KEYLEN 32
#define WLAN_CHALLENGE_IE_MAXLEN 255
#define WLAN_CHALLENGE_IE_LEN 130
#define WLAN_WEP_ICV_LEN 4
#define WLAN_FRAGS_MAX 16
-// Frame Type
+/* Frame Type */
#define WLAN_TYPE_MGR 0x00
#define WLAN_TYPE_CTL 0x01
#define WLAN_TYPE_DATA 0x02
#define WLAN_FTYPE_CTL 0x01
#define WLAN_FTYPE_DATA 0x02
-
-// Frame Subtypes
+/* Frame Subtypes */
#define WLAN_FSTYPE_ASSOCREQ 0x00
#define WLAN_FSTYPE_ASSOCRESP 0x01
#define WLAN_FSTYPE_REASSOCREQ 0x02
#define WLAN_FSTYPE_DEAUTHEN 0x0c
#define WLAN_FSTYPE_ACTION 0x0d
-// Control
+/* Control */
#define WLAN_FSTYPE_PSPOLL 0x0a
#define WLAN_FSTYPE_RTS 0x0b
#define WLAN_FSTYPE_CTS 0x0c
#define WLAN_FSTYPE_CFEND 0x0e
#define WLAN_FSTYPE_CFENDCFACK 0x0f
-// Data
+/* Data */
#define WLAN_FSTYPE_DATAONLY 0x00
#define WLAN_FSTYPE_DATA_CFACK 0x01
#define WLAN_FSTYPE_DATA_CFPOLL 0x02
#define WLAN_FSTYPE_CFPOLL 0x06
#define WLAN_FSTYPE_CFACK_CFPOLL 0x07
-
#ifdef __BIG_ENDIAN
-// GET & SET Frame Control bit
+/* GET & SET Frame Control bit */
#define WLAN_GET_FC_PRVER(n) ((((WORD)(n) >> 8) & (BIT0 | BIT1))
#define WLAN_GET_FC_FTYPE(n) ((((WORD)(n) >> 8) & (BIT2 | BIT3)) >> 2)
-#define WLAN_GET_FC_FSTYPE(n) ((((WORD)(n) >> 8) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
+#define WLAN_GET_FC_FSTYPE(n) ((((WORD)(n) >> 8) \
+ & (BIT4|BIT5|BIT6|BIT7)) >> 4)
#define WLAN_GET_FC_TODS(n) ((((WORD)(n) << 8) & (BIT8)) >> 8)
#define WLAN_GET_FC_FROMDS(n) ((((WORD)(n) << 8) & (BIT9)) >> 9)
#define WLAN_GET_FC_MOREFRAG(n) ((((WORD)(n) << 8) & (BIT10)) >> 10)
#define WLAN_GET_FC_ISWEP(n) ((((WORD)(n) << 8) & (BIT14)) >> 14)
#define WLAN_GET_FC_ORDER(n) ((((WORD)(n) << 8) & (BIT15)) >> 15)
-// Sequence Field bit
+/* Sequence Field bit */
#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n) >> 8) & (BIT0|BIT1|BIT2|BIT3))
-#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
-
+#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n) >> 8) \
+ & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
-// Capability Field bit
+/* Capability Field bit */
#define WLAN_GET_CAP_INFO_ESS(n) (((n) >> 8) & BIT0)
#define WLAN_GET_CAP_INFO_IBSS(n) ((((n) >> 8) & BIT1) >> 1)
#define WLAN_GET_CAP_INFO_CFPOLLABLE(n) ((((n) >> 8) & BIT2) >> 2)
#define WLAN_GET_CAP_INFO_DSSSOFDM(n) ((((n)) & BIT13) >> 13)
#define WLAN_GET_CAP_INFO_GRPACK(n) ((((n)) & BIT14) >> 14)
-
#else
-// GET & SET Frame Control bit
+/* GET & SET Frame Control bit */
#define WLAN_GET_FC_PRVER(n) (((WORD)(n)) & (BIT0 | BIT1))
#define WLAN_GET_FC_FTYPE(n) ((((WORD)(n)) & (BIT2 | BIT3)) >> 2)
#define WLAN_GET_FC_FSTYPE(n) ((((WORD)(n)) & (BIT4|BIT5|BIT6|BIT7)) >> 4)
#define WLAN_GET_FC_ISWEP(n) ((((WORD)(n)) & (BIT14)) >> 14)
#define WLAN_GET_FC_ORDER(n) ((((WORD)(n)) & (BIT15)) >> 15)
-
-// Sequence Field bit
+/* Sequence Field bit */
#define WLAN_GET_SEQ_FRGNUM(n) (((WORD)(n)) & (BIT0|BIT1|BIT2|BIT3))
#define WLAN_GET_SEQ_SEQNUM(n) ((((WORD)(n)) & (~(BIT0|BIT1|BIT2|BIT3))) >> 4)
-
-// Capability Field bit
+/* Capability Field bit */
#define WLAN_GET_CAP_INFO_ESS(n) ((n) & BIT0)
#define WLAN_GET_CAP_INFO_IBSS(n) (((n) & BIT1) >> 1)
#define WLAN_GET_CAP_INFO_CFPOLLABLE(n) (((n) & BIT2) >> 2)
#define WLAN_GET_CAP_INFO_DSSSOFDM(n) (((n) & BIT13) >> 13)
#define WLAN_GET_CAP_INFO_GRPACK(n) (((n) & BIT14) >> 14)
-
-#endif //#ifdef __BIG_ENDIAN
-
+#endif /* #ifdef __BIG_ENDIAN */
#define WLAN_SET_CAP_INFO_ESS(n) (n)
#define WLAN_SET_CAP_INFO_IBSS(n) ((n) << 1)
#define WLAN_SET_CAP_INFO_DSSSOFDM(n) ((n) << 13)
#define WLAN_SET_CAP_INFO_GRPACK(n) ((n) << 14)
-
#define WLAN_SET_FC_PRVER(n) ((WORD)(n))
#define WLAN_SET_FC_FTYPE(n) (((WORD)(n)) << 2)
#define WLAN_SET_FC_FSTYPE(n) (((WORD)(n)) << 4)
#define WLAN_SET_SEQ_FRGNUM(n) ((WORD)(n))
#define WLAN_SET_SEQ_SEQNUM(n) (((WORD)(n)) << 4)
-// ERP Field bit
+/* ERP Field bit */
#define WLAN_GET_ERP_NONERP_PRESENT(n) ((n) & BIT0)
#define WLAN_GET_ERP_USE_PROTECTION(n) (((n) & BIT1) >> 1)
#define WLAN_SET_ERP_USE_PROTECTION(n) ((n) << 1)
#define WLAN_SET_ERP_BARKER_MODE(n) ((n) << 2)
-
-
-// Support & Basic Rates field
+/* Support & Basic Rates field */
#define WLAN_MGMT_IS_BASICRATE(b) ((b) & BIT7)
#define WLAN_MGMT_GET_RATE(b) ((b) & ~BIT7)
-// TIM field
+/* TIM field */
#define WLAN_MGMT_IS_MULTICAST_TIM(b) ((b) & BIT0)
#define WLAN_MGMT_GET_TIM_OFFSET(b) (((b) & ~BIT0) >> 1)
-// 3-Addr & 4-Addr
+/* 3-Addr & 4-Addr */
#define WLAN_HDR_A3_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR3_LEN)
#define WLAN_HDR_A4_DATA_PTR(p) (((PBYTE)(p)) + WLAN_HDR_ADDR4_LEN)
-// IEEE ADDR
+/* IEEE ADDR */
#define IEEE_ADDR_UNIVERSAL 0x02
#define IEEE_ADDR_GROUP 0x01
BYTE abyAddr[6];
} IEEE_ADDR, *PIEEE_ADDR;
-// 802.11 Header Format
+/* 802.11 Header Format */
typedef struct tagWLAN_80211HDR_A2 {
BYTE abyAddr1[WLAN_ADDR_LEN];
BYTE abyAddr2[WLAN_ADDR_LEN];
-}__attribute__ ((__packed__))
+} __attribute__ ((__packed__))
WLAN_80211HDR_A2, *PWLAN_80211HDR_A2;
typedef struct tagWLAN_80211HDR_A3 {
BYTE abyAddr3[WLAN_ADDR_LEN];
WORD wSeqCtl;
-}__attribute__ ((__packed__))
+} __attribute__ ((__packed__))
WLAN_80211HDR_A3, *PWLAN_80211HDR_A3;
typedef struct tagWLAN_80211HDR_A4 {
WORD wSeqCtl;
BYTE abyAddr4[WLAN_ADDR_LEN];
-}__attribute__ ((__packed__))
+} __attribute__ ((__packed__))
WLAN_80211HDR_A4, *PWLAN_80211HDR_A4;
-
typedef union tagUWLAN_80211HDR {
WLAN_80211HDR_A2 sA2;
} UWLAN_80211HDR, *PUWLAN_80211HDR;
-
/*--------------------- Export Classes ----------------------------*/
/*--------------------- Export Variables --------------------------*/
/*--------------------- Export Functions --------------------------*/
-
-
-#endif // __80211HDR_H__
-
-
+#endif /* __80211HDR_H__ */