p80211hdr.h File Reference

(\
  (fstype) == WLAN_FSTYPE_BLOCKACKREQ ? 24 : \
  (fstype) == WLAN_FSTYPE_BLOCKACK    ? 152 : \
  (fstype) == WLAN_FSTYPE_PSPOLL    ? 20 : \
  (fstype) == WLAN_FSTYPE_RTS   ? 20 : \
  (fstype) == WLAN_FSTYPE_CTS   ? 14 : \
  (fstype) == WLAN_FSTYPE_ACK   ? 14 : \
  (fstype) == WLAN_FSTYPE_CFEND   ? 20 : \
  (fstype) == WLAN_FSTYPE_CFENDCFACK  ? 20 : 4)

Definition at line 273 of file p80211hdr.h.

Referenced by p80211_headerlen().

#define WLAN_FCS_LEN 4

Definition at line 283 of file p80211hdr.h.

Referenced by p80211_headerlen().

Typedef Documentation

typedef UINT8 wlan_bss_ts_t[8]

Definition at line 232 of file p80211hdr.h.

typedef struct p80211_hdr_a3 p80211_hdr_a3_t

typedef struct p80211_hdr_a4 p80211_hdr_a4_t

typedef union p80211_hdr p80211_hdr_t

Function Documentation

static UINT16 p80211_headerlen ( UINT16 fctl ) [inline, static]

Definition at line 286 of file p80211hdr.h.

References WLAN_ADDR_LEN, WLAN_CTL_FRAMELEN, WLAN_FCS_LEN, WLAN_FTYPE_CTL, WLAN_FTYPE_DATA, WLAN_FTYPE_MGMT, WLAN_GET_FC_FROMDS, WLAN_GET_FC_FSTYPE, WLAN_GET_FC_FTYPE, WLAN_GET_FC_TODS, and WLAN_HDR_A3_LEN.

00287 {
00288   UINT16 hdrlen = 0;
00289 
00290   switch ( WLAN_GET_FC_FTYPE(fctl) ) {
00291   case WLAN_FTYPE_MGMT:
00292     hdrlen = WLAN_HDR_A3_LEN;
00293     break;
00294   case WLAN_FTYPE_DATA:
00295     hdrlen = WLAN_HDR_A3_LEN;
00296     if ( WLAN_GET_FC_TODS(fctl) && WLAN_GET_FC_FROMDS(fctl) ) {
00297       hdrlen += WLAN_ADDR_LEN;
00298     }
00299     break;
00300   case WLAN_FTYPE_CTL:
00301     hdrlen = WLAN_CTL_FRAMELEN(WLAN_GET_FC_FSTYPE(fctl)) - 
00302       WLAN_FCS_LEN; 
00303     break;
00304   default:
00305     hdrlen = WLAN_HDR_A3_LEN;
00306   }
00307   
00308   return hdrlen;
00309 }


Data Structures
struct	p80211_hdr_a3
struct	p80211_hdr_a4
union	p80211_hdr
Defines
#define	WLAN_ADDR_LEN 6
#define	WLAN_CRC_LEN 4
#define	WLAN_BSSID_LEN 6
#define	WLAN_BSS_TS_LEN 8
#define	WLAN_HDR_A3_LEN 24
#define	WLAN_HDR_A4_LEN 30
#define	WLAN_SSID_MAXLEN 32
#define	WLAN_DATA_MAXLEN 2312
#define	WLAN_A3FR_MAXLEN (WLAN_HDR_A3_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)
#define	WLAN_A4FR_MAXLEN (WLAN_HDR_A4_LEN + WLAN_DATA_MAXLEN + WLAN_CRC_LEN)
#define	WLAN_BEACON_FR_MAXLEN (WLAN_HDR_A3_LEN + 334)
#define	WLAN_ATIM_FR_MAXLEN (WLAN_HDR_A3_LEN + 0)
#define	WLAN_DISASSOC_FR_MAXLEN (WLAN_HDR_A3_LEN + 2)
#define	WLAN_ASSOCREQ_FR_MAXLEN (WLAN_HDR_A3_LEN + 48)
#define	WLAN_ASSOCRESP_FR_MAXLEN (WLAN_HDR_A3_LEN + 16)
#define	WLAN_REASSOCREQ_FR_MAXLEN (WLAN_HDR_A3_LEN + 54)
#define	WLAN_REASSOCRESP_FR_MAXLEN (WLAN_HDR_A3_LEN + 16)
#define	WLAN_PROBEREQ_FR_MAXLEN (WLAN_HDR_A3_LEN + 44)
#define	WLAN_PROBERESP_FR_MAXLEN (WLAN_HDR_A3_LEN + 78)
#define	WLAN_AUTHEN_FR_MAXLEN (WLAN_HDR_A3_LEN + 261)
#define	WLAN_DEAUTHEN_FR_MAXLEN (WLAN_HDR_A3_LEN + 2)
#define	WLAN_WEP_NKEYS 4
#define	WLAN_WEP_MAXKEYLEN 13
#define	WLAN_CHALLENGE_IE_LEN 130
#define	WLAN_CHALLENGE_LEN 128
#define	WLAN_WEP_IV_LEN 4
#define	WLAN_WEP_ICV_LEN 4
#define	WLAN_FTYPE_MGMT 0x00
#define	WLAN_FTYPE_CTL 0x01
#define	WLAN_FTYPE_DATA 0x02
#define	WLAN_FSTYPE_ASSOCREQ 0x00
#define	WLAN_FSTYPE_ASSOCRESP 0x01
#define	WLAN_FSTYPE_REASSOCREQ 0x02
#define	WLAN_FSTYPE_REASSOCRESP 0x03
#define	WLAN_FSTYPE_PROBEREQ 0x04
#define	WLAN_FSTYPE_PROBERESP 0x05
#define	WLAN_FSTYPE_BEACON 0x08
#define	WLAN_FSTYPE_ATIM 0x09
#define	WLAN_FSTYPE_DISASSOC 0x0a
#define	WLAN_FSTYPE_AUTHEN 0x0b
#define	WLAN_FSTYPE_DEAUTHEN 0x0c
#define	WLAN_FSTYPE_BLOCKACKREQ 0x8
#define	WLAN_FSTYPE_BLOCKACK 0x9
#define	WLAN_FSTYPE_PSPOLL 0x0a
#define	WLAN_FSTYPE_RTS 0x0b
#define	WLAN_FSTYPE_CTS 0x0c
#define	WLAN_FSTYPE_ACK 0x0d
#define	WLAN_FSTYPE_CFEND 0x0e
#define	WLAN_FSTYPE_CFENDCFACK 0x0f
#define	WLAN_FSTYPE_DATAONLY 0x00
#define	WLAN_FSTYPE_DATA_CFACK 0x01
#define	WLAN_FSTYPE_DATA_CFPOLL 0x02
#define	WLAN_FSTYPE_DATA_CFACK_CFPOLL 0x03
#define	WLAN_FSTYPE_NULL 0x04
#define	WLAN_FSTYPE_CFACK 0x05
#define	WLAN_FSTYPE_CFPOLL 0x06
#define	WLAN_FSTYPE_CFACK_CFPOLL 0x07
#define	WLAN_FSTYPE_QOS_MASK 0x08
#define	WLAN_FSTYPE_QOS_UNMASK 0x07
#define	WLAN_FSTYPE_QOS_DATAONLY (WLAN_FSTYPE_DATAONLY + WLAN_FSTYPE_QOS_MASK)
#define	WLAN_FSTYPE_QOS_DATA_CFACK (WLAN_FSTYPE_DATA_CFACK + WLAN_FSTYPE_QOS_MASK)
#define	WLAN_FSTYPE_QOS_DATA_CFPOLL (WLAN_FSTYPE_DATA_CFPOLL + WLAN_FSTYPE_QOS_MASK)
#define	WLAN_FSTYPE_QOS_DATA_CFACK_CFPOLL (WLAN_FSTYPE_DATA_CFACK_CFPOLL + WLAN_FSTYPE_QOS_MASK)
#define	WLAN_FSTYPE_QOS_NULL (WLAN_FSTYPE_NULL + WLAN_FSTYPE_QOS_MASK)
#define	WLAN_FSTYPE_QOS_CFACK (WLAN_FSTYPE_CFACK + WLAN_FSTYPE_QOS_MASK)
#define	WLAN_FSTYPE_QOS_CFPOLL (WLAN_FSTYPE_CFPOLL + WLAN_FSTYPE_QOS_MASK)
#define	WLAN_FSTYPE_QOS_CFACK_CFPOLL (WLAN_FSTYPE_CFACK_CFPOLL + WLAN_FSTYPE_QOS_MASK)
#define	WLAN_GET_FC_PVER(n) (((UINT16)(n)) & (BIT0 \| BIT1))
#define	WLAN_GET_FC_FTYPE(n) ((((UINT16)(n)) & (BIT2 \| BIT3)) >> 2)
#define	WLAN_GET_FC_FSTYPE(n) ((((UINT16)(n)) & (BIT4\|BIT5\|BIT6\|BIT7)) >> 4)
#define	WLAN_GET_FC_TODS(n) ((((UINT16)(n)) & (BIT8)) >> 8)
#define	WLAN_GET_FC_FROMDS(n) ((((UINT16)(n)) & (BIT9)) >> 9)
#define	WLAN_GET_FC_MOREFRAG(n) ((((UINT16)(n)) & (BIT10)) >> 10)
#define	WLAN_GET_FC_RETRY(n) ((((UINT16)(n)) & (BIT11)) >> 11)
#define	WLAN_GET_FC_PWRMGT(n) ((((UINT16)(n)) & (BIT12)) >> 12)
#define	WLAN_GET_FC_MOREDATA(n) ((((UINT16)(n)) & (BIT13)) >> 13)
#define	WLAN_GET_FC_ISWEP(n) ((((UINT16)(n)) & (BIT14)) >> 14)
#define	WLAN_GET_FC_ORDER(n) ((((UINT16)(n)) & (BIT15)) >> 15)
#define	WLAN_SET_FC_PVER(n) ((UINT16)(n))
#define	WLAN_SET_FC_FTYPE(n) (((UINT16)(n)) << 2)
#define	WLAN_SET_FC_FSTYPE(n) (((UINT16)(n)) << 4)
#define	WLAN_SET_FC_TODS(n) (((UINT16)(n)) << 8)
#define	WLAN_SET_FC_FROMDS(n) (((UINT16)(n)) << 9)
#define	WLAN_SET_FC_MOREFRAG(n) (((UINT16)(n)) << 10)
#define	WLAN_SET_FC_RETRY(n) (((UINT16)(n)) << 11)
#define	WLAN_SET_FC_PWRMGT(n) (((UINT16)(n)) << 12)
#define	WLAN_SET_FC_MOREDATA(n) (((UINT16)(n)) << 13)
#define	WLAN_SET_FC_ISWEP(n) (((UINT16)(n)) << 14)
#define	WLAN_SET_FC_ORDER(n) (((UINT16)(n)) << 15)
#define	WLAN_GET_SEQ_FRGNUM(n) (((UINT16)(n)) & (BIT0\|BIT1\|BIT2\|BIT3))
#define	WLAN_GET_SEQ_SEQNUM(n) ((((UINT16)(n)) & (~(BIT0\|BIT1\|BIT2\|BIT3))) >> 4)
#define	WLAN_HDR_A3_DATAP(p) (((UINT8*)(p)) + WLAN_HDR_A3_LEN)
#define	WLAN_HDR_A4_DATAP(p) (((UINT8*)(p)) + WLAN_HDR_A4_LEN)
#define	DOT11_RATE5_ISBASIC_GET(r) (((UINT8)(r)) & BIT7)
#define	WLAN_CTL_FRAMELEN(fstype)
#define	WLAN_FCS_LEN 4
Typedefs
typedef UINT8	wlan_bss_ts_t [8]
typedef struct p80211_hdr_a3	p80211_hdr_a3_t
typedef struct p80211_hdr_a4	p80211_hdr_a4_t
typedef union p80211_hdr	p80211_hdr_t
Functions
static UINT16	p80211_headerlen (UINT16 fctl)