madwifi/net80211/ieee80211_monitor.h
2007-10-04 13:07:51 +00:00

163 lines
5.0 KiB
C

/*-
* Copyright (c) 2005 John Bicket
* 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 the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 THE AUTHOR 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.
*
* $Id$
*/
#ifndef _NET80211_IEEE80211_MONITOR_H_
#define _NET80211_IEEE80211_MONITOR_H_
#ifndef ARPHRD_IEEE80211_RADIOTAP
#define ARPHRD_IEEE80211_RADIOTAP 803 /* IEEE 802.11 + radiotap header */
#endif /* ARPHRD_IEEE80211_RADIOTAP */
#ifndef ARPHRD_IEEE80211_ATHDESC
#define ARPHRD_IEEE80211_ATHDESC 804 /* IEEE 802.11 + atheros descriptor */
#endif /* ARPHRD_IEEE80211_RADIOTAP */
#define ATHDESC_HEADER_SIZE 32
#include <net80211/ieee80211_radiotap.h>
#include <ah_desc.h>
#include <ath/if_athvar.h>
struct ieee80211_phy_params {
u_int8_t rate0;
u_int8_t rate1;
u_int8_t rate2;
u_int8_t rate3;
u_int8_t try0;
u_int8_t try1;
u_int8_t try2;
u_int8_t try3;
u_int8_t power;
u_int32_t flags;
};
enum {
DIDmsg_lnxind_wlansniffrm = 0x00000044,
DIDmsg_lnxind_wlansniffrm_hosttime = 0x00010044,
DIDmsg_lnxind_wlansniffrm_mactime = 0x00020044,
DIDmsg_lnxind_wlansniffrm_channel = 0x00030044,
DIDmsg_lnxind_wlansniffrm_rssi = 0x00040044,
DIDmsg_lnxind_wlansniffrm_sq = 0x00050044,
DIDmsg_lnxind_wlansniffrm_signal = 0x00060044,
DIDmsg_lnxind_wlansniffrm_noise = 0x00070044,
DIDmsg_lnxind_wlansniffrm_rate = 0x00080044,
DIDmsg_lnxind_wlansniffrm_istx = 0x00090044,
DIDmsg_lnxind_wlansniffrm_frmlen = 0x000A0044
};
enum {
P80211ENUM_msgitem_status_no_value = 0x00
};
enum {
P80211ENUM_truth_false = 0x00,
P80211ENUM_truth_true = 0x01
};
struct p80211item_uint32 {
u_int32_t did;
u_int16_t status;
u_int16_t len;
u_int32_t data;
};
struct wlan_ng_prism2_header {
u_int32_t msgcode;
u_int32_t msglen;
#define WLAN_DEVNAMELEN_MAX 16
u_int8_t devname[WLAN_DEVNAMELEN_MAX];
struct p80211item_uint32 hosttime;
struct p80211item_uint32 mactime;
struct p80211item_uint32 channel;
struct p80211item_uint32 rssi;
struct p80211item_uint32 sq;
struct p80211item_uint32 signal;
struct p80211item_uint32 noise;
struct p80211item_uint32 rate;
struct p80211item_uint32 istx;
struct p80211item_uint32 frmlen;
};
#define ATH_RX_RADIOTAP_PRESENT ( \
(1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_CHANNEL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \
(1 << IEEE80211_RADIOTAP_ANTENNA) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
0)
struct ath_rx_radiotap_header {
struct ieee80211_radiotap_header wr_ihdr;
__le64 wr_tsft;
u_int8_t wr_flags;
u_int8_t wr_rate;
__le16 wr_chan_freq;
__le16 wr_chan_flags;
int8_t wr_dbm_antsignal;
int8_t wr_dbm_antnoise;
u_int8_t wr_antenna;
u_int8_t wr_antsignal;
}__attribute__((__packed__));
#define ATH_TX_RADIOTAP_PRESENT ( \
(1 << IEEE80211_RADIOTAP_TSFT) | \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
(1 << IEEE80211_RADIOTAP_DBM_TX_POWER) | \
(1 << IEEE80211_RADIOTAP_ANTENNA) | \
(1 << IEEE80211_RADIOTAP_TX_FLAGS) | \
(1 << IEEE80211_RADIOTAP_DATA_RETRIES) | \
0)
struct ath_tx_radiotap_header {
struct ieee80211_radiotap_header wt_ihdr;
__le64 wt_tsft;
u_int8_t wt_flags;
u_int8_t wt_rate;
u_int8_t wt_txpower;
u_int8_t wt_antenna;
__le16 wt_txflags;
u_int8_t wt_dataretries;
}__attribute__((__packed__));
/*
* Dispatch an skb to monitor-mode VAPs. The skb is assumed
* to have space at the front to push a wlan_ng_prims2_header.
*/
void ieee80211_input_monitor(struct ieee80211com *, struct sk_buff *,
const struct ath_buf *, int, u_int64_t, struct ath_softc *);
void ieee80211_monitor_encap(struct ieee80211vap *, struct sk_buff *);
#endif /* _NET80211_IEEE80211_MONITOR_H_ */