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#ifndef _IEEE802_11_H
#define _IEEE802_11_H
struct ieee802_11_hdr {
u16 frame_ctl;
u16 duration_id;
u8 addr1[ETH_ALEN];
u8 addr2[ETH_ALEN];
u8 addr3[ETH_ALEN];
u16 seq_ctl;
} __attribute__ ((packed));
/* max. length of frame body, incl. IV and ICV fields)
see 802.11(1999), section 7.1.2 */
#define IEEE802_11_MAX_DATA_LEN (4+2304+4)
/* + 4 at the end for the FCS (Do we get it from the device ???) */
#define IEEE802_11_MAX_FRAME_LEN \
(sizeof(struct ieee802_11_hdr) + IEEE802_11_MAX_DATA_LEN + 4)
//#define IEEE802_11_HLEN 30
//#define IEEE802_11_FRAME_LEN (IEEE802_11_DATA_LEN + IEEE802_11_HLEN)
/* defines for information element coding:
1 byte ID, 1 byte length of information field, n bytes information field
(see 7.3.2 in [1]) */
#define IE_ID_SSID 0 /* length 0 - 32 */
#define IE_ID_SUPPORTED_RATES 1
#define IE_ID_DS_PARAM_SET 3
#define IE_ID_CF_PARAM_SET 4
#define IE_ID_TIM 5
#define IE_ID_IBSS_PARAM_SET 6
#define IE_ID_CHALLENGE_TEXT 16
/* we must convert frame_control to cpu endianess before reading it. */
/* Frame control field constants, see 802.11 std, chapter 7.1.3, pg. 36 */
#define IEEE802_11_FCTL_VERS 0x0002
#define IEEE802_11_FCTL_FTYPE 0x000c
#define IEEE802_11_FCTL_STYPE 0x00f0
#define IEEE802_11_FCTL_TODS 0x0100
#define IEEE802_11_FCTL_FROMDS 0x0200
#define IEEE802_11_FCTL_MOREFRAGS 0x0400
#define IEEE802_11_FCTL_RETRY 0x0800
#define IEEE802_11_FCTL_PM 0x1000
#define IEEE802_11_FCTL_MOREDATA 0x2000
#define IEEE802_11_FCTL_WEP 0x4000
#define IEEE802_11_FCTL_ORDER 0x8000
/* frame type values */
#define IEEE802_11_FTYPE_MGMT 0x0000
#define IEEE802_11_FTYPE_CTL 0x0004
#define IEEE802_11_FTYPE_DATA 0x0008
/* management subtypes */
#define IEEE802_11_STYPE_ASSOC_REQ 0x0000
#define IEEE802_11_STYPE_ASSOC_RESP 0x0010
#define IEEE802_11_STYPE_REASSOC_REQ 0x0020
#define IEEE802_11_STYPE_REASSOC_RESP 0x0030
#define IEEE802_11_STYPE_PROBE_REQ 0x0040
#define IEEE802_11_STYPE_PROBE_RESP 0x0050
#define IEEE802_11_STYPE_BEACON 0x0080
#define IEEE802_11_STYPE_ATIM 0x0090
#define IEEE802_11_STYPE_DISASSOC 0x00A0
#define IEEE802_11_STYPE_AUTH 0x00B0
#define IEEE802_11_STYPE_DEAUTH 0x00C0
/* control subtypes */
#define IEEE802_11_STYPE_PSPOLL 0x00A0
#define IEEE802_11_STYPE_RTS 0x00B0
#define IEEE802_11_STYPE_CTS 0x00C0
#define IEEE802_11_STYPE_ACK 0x00D0
#define IEEE802_11_STYPE_CFEND 0x00E0
#define IEEE802_11_STYPE_CFENDACK 0x00F0
/* data subtypes */
#define IEEE802_11_STYPE_DATA 0x0000
#define IEEE802_11_STYPE_DATA_CFACK 0x0010
#define IEEE802_11_STYPE_DATA_CFPOLL 0x0020
#define IEEE802_11_STYPE_DATA_CFACKPOLL 0x0030
#define IEEE802_11_STYPE_NULLFUNC 0x0040
#define IEEE802_11_STYPE_CFACK 0x0050
#define IEEE802_11_STYPE_CFPOLL 0x0060
#define IEEE802_11_STYPE_CFACKPOLL 0x0070
/* sequence control fragment / seq nr fields (802.12 std., ch. 7.1.3.4, pg. 40) */
#define IEEE802_11_SCTL_FRAG 0x000F
#define IEEE802_11_SCTL_SEQ 0xFFF0
/* capability field in beacon, (re)assocReq */
#define IEEE802_11_CAPA_ESS 0x0001
#define IEEE802_11_CAPA_IBSS 0x0002
#define IEEE802_11_CAPA_CF_POLLABLE 0x0004
#define IEEE802_11_CAPA_POLL_REQ 0x0008
#define IEEE802_11_CAPA_PRIVACY 0x0010
#define IEEE802_11_CAPA_SHORT_PREAMBLE 0x0020
/* auth frame: algorithm type */
#define IEEE802_11_AUTH_ALG_OPEN_SYSTEM 0x0000
#define IEEE802_11_AUTH_ALG_SHARED_SECRET 0x0001
/* disassoc/deauth frame: reason codes (see 802.11, ch. 7.3.1.7, table 18) */
#define IEEE802_11_REASON_UNSPECIFIED 0x0001
#define IEEE802_11_REASON_PREV_AUTH_INVALID 0x0002
#define IEEE802_11_REASON_DEAUTH_LEAVING 0x0003
#define IEEE802_11_REASON_DISASS_INACTIVITY 0x0004
#define IEEE802_11_REASON_DISASS_TOO_MANY_STA 0x0005
#define IEEE802_11_REASON_CL2_FROM_NONAUTH 0x0006
#define IEEE802_11_REASON_CL3_FROM_NONASSOC 0x0007
#define IEEE802_11_REASON_DISASS_LEAVING 0x0008
#define IEEE802_11_REASON_NOT_AUTH 0x0009
/* status in some response frames (802.11, ch. 7.3.1.9, table 19) */
#define IEEE802_11_STATUS_SUCCESS 0x0000
#define IEEE802_11_STATUS_UNSPECIFIED 0x0001
#define IEEE802_11_STATUS_UNSUPP_CAPABILITIES 0x000a
#define IEEE802_11_STATUS_NO_PREV_ASSOC 0x000b
#define IEEE802_11_STATUS_ASSOC_FAILED 0x000c
#define IEEE802_11_STATUS_UNSUPP_AUTH_ALG 0x000d
#define IEEE802_11_STATUS_AUTH_INV_TRANS_SEQ 0x000e
#define IEEE802_11_STATUS_AUTH_CHALLENGE_FAIL 0x000f
#define IEEE802_11_STATUS_AUTH_TIMEOUT 0x0010
#define IEEE802_11_STATUS_ASSOC_TOO_MANY_STA 0x0011
#define IEEE802_11_STATUS_BASIC_RATE_SET 0x0012
#endif /* _IEEE802_11_H */
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