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/*-
* 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: ieee80211_monitor.h 2602 2007-07-24 14:15:34Z kelmo $
*/
#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 <compat.h>
#include "net80211/ieee80211_radiotap.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
};
/*
* Transmit descriptor status. This structure is filled
* in only after the tx descriptor process method finds a
* ``done'' descriptor; at which point it returns something
* other than HAL_EINPROGRESS.
*
* Note that ts_antenna may not be valid for all h/w. It
* should be used only if non-zero.
*/
struct ath_tx_status {
u_int16_t ts_seqnum; /* h/w assigned sequence number */
u_int16_t ts_tstamp; /* h/w assigned timestamp */
u_int8_t ts_status; /* frame status, 0 => xmit ok */
u_int8_t ts_rate; /* h/w transmit rate index */
int8_t ts_rssi; /* tx ack RSSI */
u_int8_t ts_shortretry; /* # short retries */
u_int8_t ts_longretry; /* # long retries */
u_int8_t ts_virtcol; /* virtual collision count */
u_int8_t ts_antenna; /* antenna information */
};
/*
* Receive descriptor status. This structure is filled
* in only after the rx descriptor process method finds a
* ``done'' descriptor; at which point it returns something
* other than HAL_EINPROGRESS.
*
* If rx_status is zero, then the frame was received ok;
* otherwise the error information is indicated and rs_phyerr
* contains a phy error code if HAL_RXERR_PHY is set. In general
* the frame contents is undefined when an error occurred thought
* for some errors (e.g. a decryption error), it may be meaningful.
*
* Note that the receive timestamp is expanded using the TSF to
* 15 bits (regardless of what the h/w provides directly).
*
* rx_rssi is in units of dbm above the noise floor. This value
* is measured during the preamble and PLCP; i.e. with the initial
* 4us of detection. The noise floor is typically a consistent
* -96dBm absolute power in a 20MHz channel.
*/
struct ath_rx_status {
u_int16_t rs_datalen; /* rx frame length */
u_int16_t rs_tstamp; /* h/w assigned timestamp */
u_int8_t rs_status; /* rx status, 0 => recv ok */
u_int8_t rs_phyerr; /* phy error code */
int8_t rs_rssi; /* rx frame RSSI */
u_int8_t rs_keyix; /* key cache index */
u_int8_t rs_rate; /* h/w receive rate index */
u_int8_t rs_antenna; /* antenna information */
u_int8_t rs_more; /* more descriptors follow */
};
/*
* Definitions for the software frame/packet descriptors used by
* the Quantenna HAL. This definition obscures hardware-specific
* details from the driver. Drivers are expected to fillin the
* portions of a descriptor that are not opaque then use HAL calls
* to complete the work. Status for completed frames is returned
* in a device-independent format.
*/
#define ds_txstat ds_us.tx
#define ds_rxstat ds_us.rx
#define HAL_RXERR_CRC 0x01 /* CRC error on frame */
#define HAL_RXERR_PHY 0x02 /* PHY error, rs_phyerr is valid */
#define HAL_RXERR_FIFO 0x04 /* fifo overrun */
#define HAL_RXERR_DECRYPT 0x08 /* non-Michael decrypt error */
#define HAL_RXERR_MIC
struct qnt_desc {
/*
* The following definitions are passed directly
* the hardware and managed by the HAL. Drivers
* should not touch those elements marked opaque.
*/
u_int32_t ds_link; /* phys address of next descriptor */
u_int32_t ds_data; /* phys address of data buffer */
u_int32_t ds_ctl0; /* opaque DMA control 0 */
u_int32_t ds_ctl1; /* opaque DMA control 1 */
u_int32_t ds_hw[4]; /* opaque h/w region */
/*
* The remaining definitions are managed by software;
* these are valid only after the rx/tx process descriptor
* methods return a non-EINPROGRESS code.
*/
union {
struct ath_tx_status tx;/* xmit status */
struct ath_rx_status rx;/* recv status */
} ds_us;
void *ds_vdata; /* virtual addr of data buffer */
} __packed;
typedef struct {
u_int32_t did;
u_int16_t status;
u_int16_t len;
u_int32_t data;
} p80211item_uint32_t;
typedef struct {
u_int32_t msgcode;
u_int32_t msglen;
#define WLAN_DEVNAMELEN_MAX 16
u_int8_t devname[WLAN_DEVNAMELEN_MAX];
p80211item_uint32_t hosttime;
p80211item_uint32_t mactime;
p80211item_uint32_t channel;
p80211item_uint32_t rssi;
p80211item_uint32_t sq;
p80211item_uint32_t signal;
p80211item_uint32_t noise;
p80211item_uint32_t rate;
p80211item_uint32_t istx;
p80211item_uint32_t frmlen;
} wlan_ng_prism2_header;
#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) | \
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;
};
void ieee80211_monitor_encap(struct ieee80211vap *, struct sk_buff *);
#endif /* _NET80211_IEEE80211_MONITOR_H_ */