246 lines
7.3 KiB
C
246 lines
7.3 KiB
C
/*
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* Copyright (c) 2002
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* M Warner Losh <imp@freebsd.org>. All rights reserved.
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* Copyright (c) 1997, 1998, 1999
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* Bill Paul <wpaul@ctr.columbia.edu>. 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. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Bill Paul.
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* 4. Neither the name of the author nor the names of any co-contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
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* THE POSSIBILITY OF SUCH DAMAGE.
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*
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* $FreeBSD$
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*/
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#if 0
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#define WICACHE /* turn on signal strength cache code */
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#define MAXWICACHE 10
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#endif
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/*
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* Encryption controls. We can enable or disable encryption as
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* well as specify up to 4 encryption keys. We can also specify
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* which of the four keys will be used for transmit encryption.
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*/
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#define WI_RID_ENCRYPTION 0xFC20
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#define WI_RID_AUTHTYPE 0xFC21
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#define WI_RID_DEFLT_CRYPT_KEYS 0xFCB0
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#define WI_RID_TX_CRYPT_KEY 0xFCB1
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#define WI_RID_WEP_AVAIL 0xFD4F
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#define WI_RID_P2_TX_CRYPT_KEY 0xFC23
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#define WI_RID_P2_CRYPT_KEY0 0xFC24
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#define WI_RID_P2_CRYPT_KEY1 0xFC25
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#define WI_RID_MICROWAVE_OVEN 0xFC25
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#define WI_RID_P2_CRYPT_KEY2 0xFC26
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#define WI_RID_P2_CRYPT_KEY3 0xFC27
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#define WI_RID_P2_ENCRYPTION 0xFC28
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#define WI_RID_ROAMING_MODE 0xFC2D
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#define WI_RID_CUR_TX_RATE 0xFD44 /* current TX rate */
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#define WI_MAX_AID 256 /* max stations for ap operation */
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struct wi_softc {
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struct arpcom sc_arp;
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struct ieee80211com sc_ic;
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int (*sc_newstate)(struct ieee80211com *,
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enum ieee80211_state, int);
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device_t sc_dev;
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#if __FreeBSD_version >= 500000
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struct mtx sc_mtx;
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#endif
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int sc_unit;
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int wi_gone;
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int sc_enabled;
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int sc_reset;
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int sc_firmware_type;
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#define WI_NOTYPE 0
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#define WI_LUCENT 1
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#define WI_INTERSIL 2
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#define WI_SYMBOL 3
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int sc_pri_firmware_ver; /* Primary firmware */
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int sc_sta_firmware_ver; /* Station firmware */
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int wi_bus_type; /* Bus attachment type */
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struct resource * local;
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int local_rid;
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struct resource * iobase;
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int iobase_rid;
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struct resource * irq;
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int irq_rid;
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struct resource * mem;
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int mem_rid;
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bus_space_handle_t wi_localhandle;
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bus_space_tag_t wi_localtag;
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bus_space_handle_t wi_bhandle;
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bus_space_tag_t wi_btag;
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bus_space_handle_t wi_bmemhandle;
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bus_space_tag_t wi_bmemtag;
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void * wi_intrhand;
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int wi_io_addr;
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int wi_cmd_count;
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struct bpf_if *sc_drvbpf;
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int sc_flags;
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int sc_if_flags;
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int sc_bap_id;
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int sc_bap_off;
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u_int16_t sc_procframe;
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u_int16_t sc_portnum;
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/* RSSI interpretation */
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u_int16_t sc_min_rssi; /* clamp sc_min_rssi < RSSI */
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u_int16_t sc_max_rssi; /* clamp RSSI < sc_max_rssi */
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u_int16_t sc_dbm_offset; /* dBm ~ RSSI - sc_dbm_offset */
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u_int16_t sc_max_datalen;
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u_int16_t sc_system_scale;
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u_int16_t sc_cnfauthmode;
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u_int16_t sc_roaming_mode;
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u_int16_t sc_microwave_oven;
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u_int16_t sc_authtype;
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int sc_nodelen;
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char sc_nodename[IEEE80211_NWID_LEN];
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char sc_net_name[IEEE80211_NWID_LEN];
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int sc_buflen; /* TX buffer size */
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int sc_ntxbuf;
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#define WI_NTXBUF 3
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struct {
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int d_fid;
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int d_len;
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} sc_txd[WI_NTXBUF]; /* TX buffers */
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int sc_txnext; /* index of next TX */
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int sc_txcur; /* index of current TX*/
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int sc_tx_timer;
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int sc_scan_timer;
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struct wi_counters sc_stats;
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u_int16_t sc_ibss_port;
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#define WI_MAXAPINFO 30
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struct wi_apinfo sc_aps[WI_MAXAPINFO];
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int sc_naps;
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struct {
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u_int16_t wi_sleep;
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u_int16_t wi_delaysupp;
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u_int16_t wi_txsupp;
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u_int16_t wi_monitor;
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u_int16_t wi_ledtest;
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u_int16_t wi_ledtest_param0;
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u_int16_t wi_ledtest_param1;
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u_int16_t wi_conttx;
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u_int16_t wi_conttx_param0;
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u_int16_t wi_contrx;
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u_int16_t wi_sigstate;
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u_int16_t wi_sigstate_param0;
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u_int16_t wi_confbits;
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u_int16_t wi_confbits_param0;
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} wi_debug;
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struct timeval sc_last_syn;
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int sc_false_syns;
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u_int16_t sc_txbuf[IEEE80211_MAX_LEN/2];
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union {
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struct wi_tx_radiotap_header th;
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u_int8_t pad[64];
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} u_tx_rt;
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int sc_tx_th_len;
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union {
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struct wi_rx_radiotap_header th;
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u_int8_t pad[64];
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} u_rx_rt;
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int sc_rx_th_len;
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};
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#define sc_if sc_arp.ac_if
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#define sc_tx_th u_tx_rt.th
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#define sc_rx_th u_rx_rt.th
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/* maximum consecutive false change-of-BSSID indications */
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#define WI_MAX_FALSE_SYNS 10
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#define WI_SCAN_INQWAIT 3 /* wait sec before inquire */
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#define WI_SCAN_WAIT 5 /* maximum scan wait */
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#define WI_FLAGS_ATTACHED 0x0001
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#define WI_FLAGS_INITIALIZED 0x0002
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#define WI_FLAGS_OUTRANGE 0x0004
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#define WI_FLAGS_HAS_MOR 0x0010
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#define WI_FLAGS_HAS_ROAMING 0x0020
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#define WI_FLAGS_HAS_DIVERSITY 0x0040
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#define WI_FLAGS_HAS_SYSSCALE 0x0080
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#define WI_FLAGS_BUG_AUTOINC 0x0100
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#define WI_FLAGS_HAS_FRAGTHR 0x0200
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#define WI_FLAGS_HAS_DBMADJUST 0x0400
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struct wi_card_ident {
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u_int16_t card_id;
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char *card_name;
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u_int8_t firm_type;
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};
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#define WI_PRISM_MIN_RSSI 0x1b
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#define WI_PRISM_MAX_RSSI 0x9a
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#define WI_PRISM_DBM_OFFSET 100 /* XXX */
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#define WI_LUCENT_MIN_RSSI 47
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#define WI_LUCENT_MAX_RSSI 138
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#define WI_LUCENT_DBM_OFFSET 149
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#define WI_RSSI_TO_DBM(sc, rssi) (MIN((sc)->sc_max_rssi, \
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MAX((sc)->sc_min_rssi, (rssi))) - (sc)->sc_dbm_offset)
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#if __FreeBSD_version < 500000
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/*
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* Various compat hacks/kludges
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*/
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#define le16toh(x) (x)
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#define htole16(x) (x)
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#define ifaddr_byindex(idx) ifnet_addrs[(idx) - 1];
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#define WI_LOCK_DECL() int s
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#define WI_LOCK(_sc) s = splimp()
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#define WI_UNLOCK(_sc) splx(s)
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#else
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#define WI_LOCK_DECL()
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#define WI_LOCK(_sc) mtx_lock(&(_sc)->sc_mtx)
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#define WI_UNLOCK(_sc) mtx_unlock(&(_sc)->sc_mtx)
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#endif
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int wi_attach(device_t);
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int wi_detach(device_t);
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void wi_shutdown(device_t);
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int wi_alloc(device_t, int);
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void wi_free(device_t);
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extern devclass_t wi_devclass;
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void wi_init(void *);
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void wi_intr(void *);
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int wi_mgmt_xmit(struct wi_softc *, caddr_t, int);
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void wi_stop(struct ifnet *, int);
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int wi_symbol_load_firm(struct wi_softc *, const void *, int, const void *, int);
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