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Diffstat (limited to 'include/compat/net/ieee80211_radiotap.h')
| -rwxr-xr-x | include/compat/net/ieee80211_radiotap.h | 283 |
1 files changed, 0 insertions, 283 deletions
diff --git a/include/compat/net/ieee80211_radiotap.h b/include/compat/net/ieee80211_radiotap.h deleted file mode 100755 index 7139254..0000000 --- a/include/compat/net/ieee80211_radiotap.h +++ /dev/null @@ -1,283 +0,0 @@ -/* - * Copyright (c) 2003, 2004 David Young. All rights reserved. - * - * Redistribution and use in source and binary forms, with or without - * modification, are permitted provided that the following conditions - * are met: - * 1. Redistributions of source code must retain the above copyright - * notice, this list of conditions and the following disclaimer. - * 2. Redistributions in binary form must reproduce the above copyright - * notice, this list of conditions and the following disclaimer in the - * documentation and/or other materials provided with the distribution. - * 3. The name of David Young may not be used to endorse or promote - * products derived from this software without specific prior - * written permission. - * - * THIS SOFTWARE IS PROVIDED BY DAVID YOUNG ``AS IS'' AND ANY - * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, - * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A - * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL DAVID - * YOUNG BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, - * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED - * TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, - * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND - * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, - * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY - * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY - * OF SUCH DAMAGE. - */ - -/* - * Modifications to fit into the linux IEEE 802.11 stack, - * Mike Kershaw (dragorn@kismetwireless.net) - */ - -#ifndef IEEE80211RADIOTAP_H -#define IEEE80211RADIOTAP_H - -#include <linux/if_ether.h> -#include <linux/kernel.h> -#include <asm/unaligned.h> - -/* Base version of the radiotap packet header data */ -#define PKTHDR_RADIOTAP_VERSION 0 - -/* A generic radio capture format is desirable. There is one for - * Linux, but it is neither rigidly defined (there were not even - * units given for some fields) nor easily extensible. - * - * I suggest the following extensible radio capture format. It is - * based on a bitmap indicating which fields are present. - * - * I am trying to describe precisely what the application programmer - * should expect in the following, and for that reason I tell the - * units and origin of each measurement (where it applies), or else I - * use sufficiently weaselly language ("is a monotonically nondecreasing - * function of...") that I cannot set false expectations for lawyerly - * readers. - */ - -/* - * The radio capture header precedes the 802.11 header. - * All data in the header is little endian on all platforms. - */ -struct ieee80211_radiotap_header { - u8 it_version; /* Version 0. Only increases - * for drastic changes, - * introduction of compatible - * new fields does not count. - */ - u8 it_pad; - __le16 it_len; /* length of the whole - * header in bytes, including - * it_version, it_pad, - * it_len, and data fields. - */ - __le32 it_present; /* A bitmap telling which - * fields are present. Set bit 31 - * (0x80000000) to extend the - * bitmap by another 32 bits. - * Additional extensions are made - * by setting bit 31. - */ -} __packed; - -/* Name Data type Units - * ---- --------- ----- - * - * IEEE80211_RADIOTAP_TSFT __le64 microseconds - * - * Value in microseconds of the MAC's 64-bit 802.11 Time - * Synchronization Function timer when the first bit of the - * MPDU arrived at the MAC. For received frames, only. - * - * IEEE80211_RADIOTAP_CHANNEL 2 x __le16 MHz, bitmap - * - * Tx/Rx frequency in MHz, followed by flags (see below). - * - * IEEE80211_RADIOTAP_FHSS __le16 see below - * - * For frequency-hopping radios, the hop set (first byte) - * and pattern (second byte). - * - * IEEE80211_RADIOTAP_RATE u8 500kb/s - * - * Tx/Rx data rate - * - * IEEE80211_RADIOTAP_DBM_ANTSIGNAL s8 decibels from - * one milliwatt (dBm) - * - * RF signal power at the antenna, decibel difference from - * one milliwatt. - * - * IEEE80211_RADIOTAP_DBM_ANTNOISE s8 decibels from - * one milliwatt (dBm) - * - * RF noise power at the antenna, decibel difference from one - * milliwatt. - * - * IEEE80211_RADIOTAP_DB_ANTSIGNAL u8 decibel (dB) - * - * RF signal power at the antenna, decibel difference from an - * arbitrary, fixed reference. - * - * IEEE80211_RADIOTAP_DB_ANTNOISE u8 decibel (dB) - * - * RF noise power at the antenna, decibel difference from an - * arbitrary, fixed reference point. - * - * IEEE80211_RADIOTAP_LOCK_QUALITY __le16 unitless - * - * Quality of Barker code lock. Unitless. Monotonically - * nondecreasing with "better" lock strength. Called "Signal - * Quality" in datasheets. (Is there a standard way to measure - * this?) - * - * IEEE80211_RADIOTAP_TX_ATTENUATION __le16 unitless - * - * Transmit power expressed as unitless distance from max - * power set at factory calibration. 0 is max power. - * Monotonically nondecreasing with lower power levels. - * - * IEEE80211_RADIOTAP_DB_TX_ATTENUATION __le16 decibels (dB) - * - * Transmit power expressed as decibel distance from max power - * set at factory calibration. 0 is max power. Monotonically - * nondecreasing with lower power levels. - * - * IEEE80211_RADIOTAP_DBM_TX_POWER s8 decibels from - * one milliwatt (dBm) - * - * Transmit power expressed as dBm (decibels from a 1 milliwatt - * reference). This is the absolute power level measured at - * the antenna port. - * - * IEEE80211_RADIOTAP_FLAGS u8 bitmap - * - * Properties of transmitted and received frames. See flags - * defined below. - * - * IEEE80211_RADIOTAP_ANTENNA u8 antenna index - * - * Unitless indication of the Rx/Tx antenna for this packet. - * The first antenna is antenna 0. - * - * IEEE80211_RADIOTAP_RX_FLAGS __le16 bitmap - * - * Properties of received frames. See flags defined below. - * - * IEEE80211_RADIOTAP_TX_FLAGS __le16 bitmap - * - * Properties of transmitted frames. See flags defined below. - * - * IEEE80211_RADIOTAP_RTS_RETRIES u8 data - * - * Number of rts retries a transmitted frame used. - * - * IEEE80211_RADIOTAP_DATA_RETRIES u8 data - * - * Number of unicast retries a transmitted frame used. - * - * IEEE80211_RADIOTAP_MCS u8, u8, u8 unitless - * - * Contains a bitmap of known fields/flags, the flags, and - * the MCS index. - * - */ -enum ieee80211_radiotap_type { - IEEE80211_RADIOTAP_TSFT = 0, - IEEE80211_RADIOTAP_FLAGS = 1, - IEEE80211_RADIOTAP_RATE = 2, - IEEE80211_RADIOTAP_CHANNEL = 3, - IEEE80211_RADIOTAP_FHSS = 4, - IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5, - IEEE80211_RADIOTAP_DBM_ANTNOISE = 6, - IEEE80211_RADIOTAP_LOCK_QUALITY = 7, - IEEE80211_RADIOTAP_TX_ATTENUATION = 8, - IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9, - IEEE80211_RADIOTAP_DBM_TX_POWER = 10, - IEEE80211_RADIOTAP_ANTENNA = 11, - IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12, - IEEE80211_RADIOTAP_DB_ANTNOISE = 13, - IEEE80211_RADIOTAP_RX_FLAGS = 14, - IEEE80211_RADIOTAP_TX_FLAGS = 15, - IEEE80211_RADIOTAP_RTS_RETRIES = 16, - IEEE80211_RADIOTAP_DATA_RETRIES = 17, - - IEEE80211_RADIOTAP_MCS = 19, - - /* valid in every it_present bitmap, even vendor namespaces */ - IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29, - IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30, - IEEE80211_RADIOTAP_EXT = 31 -}; - -/* Channel flags. */ -#define IEEE80211_CHAN_TURBO 0x0010 /* Turbo channel */ -#define IEEE80211_CHAN_CCK 0x0020 /* CCK channel */ -#define IEEE80211_CHAN_OFDM 0x0040 /* OFDM channel */ -#define IEEE80211_CHAN_2GHZ 0x0080 /* 2 GHz spectrum channel. */ -#define IEEE80211_CHAN_5GHZ 0x0100 /* 5 GHz spectrum channel */ -#define IEEE80211_CHAN_PASSIVE 0x0200 /* Only passive scan allowed */ -#define IEEE80211_CHAN_DYN 0x0400 /* Dynamic CCK-OFDM channel */ -#define IEEE80211_CHAN_GFSK 0x0800 /* GFSK channel (FHSS PHY) */ - -/* For IEEE80211_RADIOTAP_FLAGS */ -#define IEEE80211_RADIOTAP_F_CFP 0x01 /* sent/received - * during CFP - */ -#define IEEE80211_RADIOTAP_F_SHORTPRE 0x02 /* sent/received - * with short - * preamble - */ -#define IEEE80211_RADIOTAP_F_WEP 0x04 /* sent/received - * with WEP encryption - */ -#define IEEE80211_RADIOTAP_F_FRAG 0x08 /* sent/received - * with fragmentation - */ -#define IEEE80211_RADIOTAP_F_FCS 0x10 /* frame includes FCS */ -#define IEEE80211_RADIOTAP_F_DATAPAD 0x20 /* frame has padding between - * 802.11 header and payload - * (to 32-bit boundary) - */ -#define IEEE80211_RADIOTAP_F_BADFCS 0x40 /* bad FCS */ - -/* For IEEE80211_RADIOTAP_RX_FLAGS */ -#define IEEE80211_RADIOTAP_F_RX_BADPLCP 0x0002 /* frame has bad PLCP */ - -/* For IEEE80211_RADIOTAP_TX_FLAGS */ -#define IEEE80211_RADIOTAP_F_TX_FAIL 0x0001 /* failed due to excessive - * retries */ -#define IEEE80211_RADIOTAP_F_TX_CTS 0x0002 /* used cts 'protection' */ -#define IEEE80211_RADIOTAP_F_TX_RTS 0x0004 /* used rts/cts handshake */ -#define IEEE80211_RADIOTAP_F_TX_NOACK 0x0008 /* don't expect an ack */ - - -/* For IEEE80211_RADIOTAP_MCS */ -#define IEEE80211_RADIOTAP_MCS_HAVE_BW 0x01 -#define IEEE80211_RADIOTAP_MCS_HAVE_MCS 0x02 -#define IEEE80211_RADIOTAP_MCS_HAVE_GI 0x04 -#define IEEE80211_RADIOTAP_MCS_HAVE_FMT 0x08 -#define IEEE80211_RADIOTAP_MCS_HAVE_FEC 0x10 - -#define IEEE80211_RADIOTAP_MCS_BW_MASK 0x03 -#define IEEE80211_RADIOTAP_MCS_BW_20 0 -#define IEEE80211_RADIOTAP_MCS_BW_40 1 -#define IEEE80211_RADIOTAP_MCS_BW_20L 2 -#define IEEE80211_RADIOTAP_MCS_BW_20U 3 -#define IEEE80211_RADIOTAP_MCS_SGI 0x04 -#define IEEE80211_RADIOTAP_MCS_FMT_GF 0x08 -#define IEEE80211_RADIOTAP_MCS_FEC_LDPC 0x10 - - -/* helpers */ -static inline int ieee80211_get_radiotap_len(unsigned char *data) -{ - struct ieee80211_radiotap_header *hdr = - (struct ieee80211_radiotap_header *)data; - - return get_unaligned_le16(&hdr->it_len); -} - -#endif /* IEEE80211_RADIOTAP_H */ |