drivers/net/wireless/ieee802_11.h

   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
  13
  14 #define IEEE802_11_HLEN                 30
  15 #define IEEE802_11_FRAME_LEN            (IEEE802_11_DATA_LEN + IEEE802_11_HLEN)
  16
  17 struct ieee802_11_hdr {
  18         u16 frame_ctl;
  19         u16 duration_id;
  20         u8 addr1[ETH_ALEN];
  21         u8 addr2[ETH_ALEN];
  22         u8 addr3[ETH_ALEN];
  23         u16 seq_ctl;
  24         u8 addr4[ETH_ALEN];
  25 } __attribute__ ((packed));
  26
  27 /* Frame control field constants */
  28 #define IEEE802_11_FCTL_VERS            0x0002
  29 #define IEEE802_11_FCTL_FTYPE           0x000c
  30 #define IEEE802_11_FCTL_STYPE           0x00f0
  31 #define IEEE802_11_FCTL_TODS            0x0100
  32 #define IEEE802_11_FCTL_FROMDS          0x0200
  33 #define IEEE802_11_FCTL_MOREFRAGS       0x0400
  34 #define IEEE802_11_FCTL_RETRY           0x0800
  35 #define IEEE802_11_FCTL_PM              0x1000
  36 #define IEEE802_11_FCTL_MOREDATA        0x2000
  37 #define IEEE802_11_FCTL_WEP             0x4000
  38 #define IEEE802_11_FCTL_ORDER           0x8000
  39
  40 #define IEEE802_11_FTYPE_MGMT           0x0000
  41 #define IEEE802_11_FTYPE_CTL            0x0004
  42 #define IEEE802_11_FTYPE_DATA           0x0008
  43
  44 /* management */
  45 #define IEEE802_11_STYPE_ASSOC_REQ      0x0000
  46 #define IEEE802_11_STYPE_ASSOC_RESP     0x0010
  47 #define IEEE802_11_STYPE_REASSOC_REQ    0x0020
  48 #define IEEE802_11_STYPE_REASSOC_RESP   0x0030
  49 #define IEEE802_11_STYPE_PROBE_REQ      0x0040
  50 #define IEEE802_11_STYPE_PROBE_RESP     0x0050
  51 #define IEEE802_11_STYPE_BEACON         0x0080
  52 #define IEEE802_11_STYPE_ATIM           0x0090
  53 #define IEEE802_11_STYPE_DISASSOC       0x00A0
  54 #define IEEE802_11_STYPE_AUTH           0x00B0
  55 #define IEEE802_11_STYPE_DEAUTH         0x00C0
  56
  57 /* control */
  58 #define IEEE802_11_STYPE_PSPOLL         0x00A0
  59 #define IEEE802_11_STYPE_RTS            0x00B0
  60 #define IEEE802_11_STYPE_CTS            0x00C0
  61 #define IEEE802_11_STYPE_ACK            0x00D0
  62 #define IEEE802_11_STYPE_CFEND          0x00E0
  63 #define IEEE802_11_STYPE_CFENDACK       0x00F0
  64
  65 /* data */
  66 #define IEEE802_11_STYPE_DATA           0x0000
  67 #define IEEE802_11_STYPE_DATA_CFACK     0x0010
  68 #define IEEE802_11_STYPE_DATA_CFPOLL    0x0020
  69 #define IEEE802_11_STYPE_DATA_CFACKPOLL 0x0030
  70 #define IEEE802_11_STYPE_NULLFUNC       0x0040
  71 #define IEEE802_11_STYPE_CFACK          0x0050
  72 #define IEEE802_11_STYPE_CFPOLL         0x0060
  73 #define IEEE802_11_STYPE_CFACKPOLL      0x0070
  74
  75 #define IEEE802_11_SCTL_FRAG            0x000F
  76 #define IEEE802_11_SCTL_SEQ             0xFFF0
  77
  78 #endif /* _IEEE802_11_H */