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https://github.com/proski/madwifi
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f577062ef7
git-svn-id: http://madwifi-project.org/svn/madwifi/trunk@3615 0192ed92-7a03-0410-a25b-9323aeb14dbd
151 lines
5.0 KiB
C
151 lines
5.0 KiB
C
/*-
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* Copyright (c) 2005 John Bicket
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $Id$
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*/
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#ifndef _NET80211_IEEE80211_MONITOR_H_
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#define _NET80211_IEEE80211_MONITOR_H_
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#include <net80211/ieee80211_radiotap.h>
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#include <ah_desc.h>
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#include <ath/if_athvar.h>
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#ifndef ARPHRD_IEEE80211_RADIOTAP
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#define ARPHRD_IEEE80211_RADIOTAP 803 /* IEEE 802.11 + radiotap header */
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#endif /* ARPHRD_IEEE80211_RADIOTAP */
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#ifndef ARPHRD_IEEE80211_ATHDESC
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#define ARPHRD_IEEE80211_ATHDESC 804 /* IEEE 802.11 + atheros descriptor */
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#endif /* ARPHRD_IEEE80211_RADIOTAP */
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#define ATHDESC_HEADER_SIZE 32
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#define IEEE80211_MON_MAXHDROOM ((unsigned int) \
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A_MAX(sizeof(struct ath_tx_radiotap_header), \
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A_MAX(sizeof(struct wlan_ng_prism2_header), \
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ATHDESC_HEADER_SIZE)))
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enum {
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DIDmsg_lnxind_wlansniffrm = 0x00000044,
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DIDmsg_lnxind_wlansniffrm_hosttime = 0x00010044,
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DIDmsg_lnxind_wlansniffrm_mactime = 0x00020044,
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DIDmsg_lnxind_wlansniffrm_channel = 0x00030044,
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DIDmsg_lnxind_wlansniffrm_rssi = 0x00040044,
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DIDmsg_lnxind_wlansniffrm_sq = 0x00050044,
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DIDmsg_lnxind_wlansniffrm_signal = 0x00060044,
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DIDmsg_lnxind_wlansniffrm_noise = 0x00070044,
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DIDmsg_lnxind_wlansniffrm_rate = 0x00080044,
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DIDmsg_lnxind_wlansniffrm_istx = 0x00090044,
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DIDmsg_lnxind_wlansniffrm_frmlen = 0x000A0044
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};
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enum {
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P80211ENUM_msgitem_status_no_value = 0x00
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};
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enum {
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P80211ENUM_truth_false = 0x00,
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P80211ENUM_truth_true = 0x01
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};
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struct p80211item_uint32 {
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u_int32_t did;
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u_int16_t status;
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u_int16_t len;
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u_int32_t data;
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};
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struct wlan_ng_prism2_header {
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u_int32_t msgcode;
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u_int32_t msglen;
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#define WLAN_DEVNAMELEN_MAX 16
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u_int8_t devname[WLAN_DEVNAMELEN_MAX];
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struct p80211item_uint32 hosttime;
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struct p80211item_uint32 mactime;
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struct p80211item_uint32 channel;
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struct p80211item_uint32 rssi;
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struct p80211item_uint32 sq;
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struct p80211item_uint32 signal;
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struct p80211item_uint32 noise;
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struct p80211item_uint32 rate;
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struct p80211item_uint32 istx;
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struct p80211item_uint32 frmlen;
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};
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#define ATH_RX_RADIOTAP_PRESENT ( \
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(1 << IEEE80211_RADIOTAP_TSFT) | \
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(1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_CHANNEL) | \
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(1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL) | \
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(1 << IEEE80211_RADIOTAP_DBM_ANTNOISE) | \
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(1 << IEEE80211_RADIOTAP_ANTENNA) | \
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(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) | \
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0)
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struct ath_rx_radiotap_header {
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struct ieee80211_radiotap_header wr_ihdr;
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__le64 wr_tsft;
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u_int8_t wr_flags;
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u_int8_t wr_rate;
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__le16 wr_chan_freq;
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__le16 wr_chan_flags;
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int8_t wr_dbm_antsignal;
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int8_t wr_dbm_antnoise;
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u_int8_t wr_antenna;
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u_int8_t wr_antsignal;
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}__attribute__((__packed__));
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#define ATH_TX_RADIOTAP_PRESENT ( \
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(1 << IEEE80211_RADIOTAP_TSFT) | \
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(1 << IEEE80211_RADIOTAP_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_RATE) | \
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(1 << IEEE80211_RADIOTAP_ANTENNA) | \
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(1 << IEEE80211_RADIOTAP_TX_FLAGS) | \
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(1 << IEEE80211_RADIOTAP_DATA_RETRIES) | \
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0)
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struct ath_tx_radiotap_header {
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struct ieee80211_radiotap_header wt_ihdr;
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__le64 wt_tsft;
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u_int8_t wt_flags;
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u_int8_t wt_rate;
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u_int8_t wt_antenna;
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u_int8_t wt_pad; /* Padding to ensure txflags is aligned */
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__le16 wt_txflags;
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u_int8_t wt_dataretries;
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}__attribute__((__packed__));
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/*
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* Dispatch an skb to monitor-mode VAPs. The skb is assumed
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* to have space at the front to push a wlan_ng_prims2_header.
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*/
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void ieee80211_input_monitor(struct ieee80211com *, struct sk_buff *,
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const struct ath_buf *, int, u_int64_t, struct ath_softc *);
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void ieee80211_monitor_encap(struct ieee80211vap *, struct sk_buff *);
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#endif /* _NET80211_IEEE80211_MONITOR_H_ */
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