79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
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#ifndef _IEEE802_11_H
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#define _IEEE802_11_H
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#define IEEE802_11_DATA_LEN 2304
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/* Maximum size for the MA-UNITDATA primitive, 802.11 standard section
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6.2.1.1.2.
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The figure in section 7.1.2 suggests a body size of up to 2312
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bytes is allowed, which is a bit confusing, I suspect this
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represents the 2304 bytes of real data, plus a possible 8 bytes of
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WEP IV and ICV. (this interpretation suggested by Ramiro Barreiro) */
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#define IEEE802_11_HLEN 30
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#define IEEE802_11_FRAME_LEN (IEEE802_11_DATA_LEN + IEEE802_11_HLEN)
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struct ieee802_11_hdr {
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u16 frame_ctl;
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u16 duration_id;
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u8 addr1[ETH_ALEN];
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u8 addr2[ETH_ALEN];
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u8 addr3[ETH_ALEN];
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u16 seq_ctl;
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u8 addr4[ETH_ALEN];
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} __attribute__ ((packed));
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/* Frame control field constants */
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#define IEEE802_11_FCTL_VERS 0x0002
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#define IEEE802_11_FCTL_FTYPE 0x000c
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#define IEEE802_11_FCTL_STYPE 0x00f0
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#define IEEE802_11_FCTL_TODS 0x0100
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#define IEEE802_11_FCTL_FROMDS 0x0200
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#define IEEE802_11_FCTL_MOREFRAGS 0x0400
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#define IEEE802_11_FCTL_RETRY 0x0800
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#define IEEE802_11_FCTL_PM 0x1000
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#define IEEE802_11_FCTL_MOREDATA 0x2000
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#define IEEE802_11_FCTL_WEP 0x4000
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#define IEEE802_11_FCTL_ORDER 0x8000
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#define IEEE802_11_FTYPE_MGMT 0x0000
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#define IEEE802_11_FTYPE_CTL 0x0004
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#define IEEE802_11_FTYPE_DATA 0x0008
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/* management */
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#define IEEE802_11_STYPE_ASSOC_REQ 0x0000
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#define IEEE802_11_STYPE_ASSOC_RESP 0x0010
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#define IEEE802_11_STYPE_REASSOC_REQ 0x0020
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#define IEEE802_11_STYPE_REASSOC_RESP 0x0030
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#define IEEE802_11_STYPE_PROBE_REQ 0x0040
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#define IEEE802_11_STYPE_PROBE_RESP 0x0050
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#define IEEE802_11_STYPE_BEACON 0x0080
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#define IEEE802_11_STYPE_ATIM 0x0090
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#define IEEE802_11_STYPE_DISASSOC 0x00A0
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#define IEEE802_11_STYPE_AUTH 0x00B0
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#define IEEE802_11_STYPE_DEAUTH 0x00C0
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/* control */
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#define IEEE802_11_STYPE_PSPOLL 0x00A0
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#define IEEE802_11_STYPE_RTS 0x00B0
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#define IEEE802_11_STYPE_CTS 0x00C0
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#define IEEE802_11_STYPE_ACK 0x00D0
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#define IEEE802_11_STYPE_CFEND 0x00E0
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#define IEEE802_11_STYPE_CFENDACK 0x00F0
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/* data */
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#define IEEE802_11_STYPE_DATA 0x0000
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#define IEEE802_11_STYPE_DATA_CFACK 0x0010
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#define IEEE802_11_STYPE_DATA_CFPOLL 0x0020
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#define IEEE802_11_STYPE_DATA_CFACKPOLL 0x0030
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#define IEEE802_11_STYPE_NULLFUNC 0x0040
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#define IEEE802_11_STYPE_CFACK 0x0050
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#define IEEE802_11_STYPE_CFPOLL 0x0060
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#define IEEE802_11_STYPE_CFACKPOLL 0x0070
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#define IEEE802_11_SCTL_FRAG 0x000F
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#define IEEE802_11_SCTL_SEQ 0xFFF0
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#endif /* _IEEE802_11_H */
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