1 #ifndef _IEEE802_11_H 2 #define _IEEE802_11_H 3 4 #define IEEE802_11_DATA_LEN 2304 5 /* Maximum size for the MA-UNITDATA primitive, 802.11 standard section 6 6.2.1.1.2. 7 8 The figure in section 7.1.2 suggests a body size of up to 2312 9 bytes is allowed, which is a bit confusing, I suspect this 10 represents the 2304 bytes of real data, plus a possible 8 bytes of 11 WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */ 12 #define IEEE802_11_HLEN 30 13 #define IEEE802_11_FRAME_LEN (IEEE802_11_DATA_LEN + IEEE802_11_HLEN) 14 15 struct ieee802_11_hdr { 16 u16 frame_ctl; 17 u16 duration_id; 18 u8 addr1[ETH_ALEN]; 19 u8 addr2[ETH_ALEN]; 20 u8 addr3[ETH_ALEN]; 21 u16 seq_ctl; 22 u8 addr4[ETH_ALEN]; 23 } __attribute__ ((packed)); 24 25 /* Frame control field constants */ 26 #define IEEE802_11_FCTL_VERS 0x0002 27 #define IEEE802_11_FCTL_FTYPE 0x000c 28 #define IEEE802_11_FCTL_STYPE 0x00f0 29 #define IEEE802_11_FCTL_TODS 0x0100 30 #define IEEE802_11_FCTL_FROMDS 0x0200 31 #define IEEE802_11_FCTL_MOREFRAGS 0x0400 32 #define IEEE802_11_FCTL_RETRY 0x0800 33 #define IEEE802_11_FCTL_PM 0x1000 34 #define IEEE802_11_FCTL_MOREDATA 0x2000 35 #define IEEE802_11_FCTL_WEP 0x4000 36 #define IEEE802_11_FCTL_ORDER 0x8000 37 38 #define IEEE802_11_FTYPE_MGMT 0x0000 39 #define IEEE802_11_FTYPE_CTL 0x0004 40 #define IEEE802_11_FTYPE_DATA 0x0008 41 42 /* management */ 43 #define IEEE802_11_STYPE_ASSOC_REQ 0x0000 44 #define IEEE802_11_STYPE_ASSOC_RESP 0x0010 45 #define IEEE802_11_STYPE_REASSOC_REQ 0x0020 46 #define IEEE802_11_STYPE_REASSOC_RESP 0x0030 47 #define IEEE802_11_STYPE_PROBE_REQ 0x0040 48 #define IEEE802_11_STYPE_PROBE_RESP 0x0050 49 #define IEEE802_11_STYPE_BEACON 0x0080 50 #define IEEE802_11_STYPE_ATIM 0x0090 51 #define IEEE802_11_STYPE_DISASSOC 0x00A0 52 #define IEEE802_11_STYPE_AUTH 0x00B0 53 #define IEEE802_11_STYPE_DEAUTH 0x00C0 54 55 /* control */ 56 #define IEEE802_11_STYPE_PSPOLL 0x00A0 57 #define IEEE802_11_STYPE_RTS 0x00B0 58 #define IEEE802_11_STYPE_CTS 0x00C0 59 #define IEEE802_11_STYPE_ACK 0x00D0 60 #define IEEE802_11_STYPE_CFEND 0x00E0 61 #define IEEE802_11_STYPE_CFENDACK 0x00F0 62 63 /* data */ 64 #define IEEE802_11_STYPE_DATA 0x0000 65 #define IEEE802_11_STYPE_DATA_CFACK 0x0010 66 #define IEEE802_11_STYPE_DATA_CFPOLL 0x0020 67 #define IEEE802_11_STYPE_DATA_CFACKPOLL 0x0030 68 #define IEEE802_11_STYPE_NULLFUNC 0x0040 69 #define IEEE802_11_STYPE_CFACK 0x0050 70 #define IEEE802_11_STYPE_CFPOLL 0x0060 71 #define IEEE802_11_STYPE_CFACKPOLL 0x0070 72 73 #define IEEE802_11_SCTL_FRAG 0x000F 74 #define IEEE802_11_SCTL_SEQ 0xFFF0 75 76 #endif /* _IEEE802_11_H */ 77 78