181 lines
5.8 KiB
C
181 lines
5.8 KiB
C
/* $NetBSD: awivar.h,v 1.4 1999/11/09 14:58:07 sommerfeld Exp $ */
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/*-
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* Copyright (c) 1999 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Bill Sommerfeld
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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 the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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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 THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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enum awi_state {
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AWI_ST_OFF, /* powered off */
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AWI_ST_SELFTEST, /* waiting for selftest to complete*/
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AWI_ST_IFTEST, /* waiting for interface to respond */
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AWI_ST_MIB_GET, /* fetching MIB variables */
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AWI_ST_MIB_SET, /* stuffing MIB variables */
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AWI_ST_TXINIT, /* initializing TX side */
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AWI_ST_RXINIT, /* initializing RX side */
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AWI_ST_SCAN, /* hunting for a BSS */
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AWI_ST_SYNCED, /* synced? trying to auth.. */
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/* there are probably some missing 802.11 states here.. */
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AWI_ST_AUTHED, /* authenticated */
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AWI_ST_RUNNING, /* ready to send user data.. */
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AWI_ST_INSANE, /* failed to respond.. */
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};
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#define AWI_FL_CMD_INPROG 0x0001
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#define AWI_SSID_LEN 33
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struct awi_bss_binding
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{
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u_int8_t chanset; /* channel set to use */
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u_int8_t pattern; /* hop pattern to use */
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u_int8_t index; /* index to use */
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u_int8_t rssi; /* strenght of this beacon */
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u_int16_t dwell_time; /* dwell time */
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u_int8_t bss_timestamp[8]; /* timestamp of this bss */
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u_int8_t bss_id[6];
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u_int32_t rxtime; /* unit's local time */
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u_int8_t sslen;
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u_int8_t ssid[AWI_SSID_LEN];
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};
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#define NBND 4
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#define NTXD 4
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struct awi_txbd
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{
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u_int32_t descr; /* offset to descriptor */
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u_int32_t frame; /* offset to frame */
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u_int32_t len; /* frame length */
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};
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struct awi_softc
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{
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struct device sc_dev;
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struct am79c930_softc sc_chip;
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struct ethercom sc_ec;
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int sc_enabled;
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enum awi_state sc_state;
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int sc_flags;
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void *sc_ih; /* interrupt handler */
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struct ifnet *sc_ifp; /* XXX */
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int (*sc_enable) __P((struct awi_softc *));
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void (*sc_disable) __P((struct awi_softc *));
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void (*sc_completion) __P((struct awi_softc *,
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u_int8_t));
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struct ifqueue sc_mgtq;
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u_int32_t sc_txbase;
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u_int32_t sc_txlen;
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u_int32_t sc_rxbase;
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u_int32_t sc_rxlen;
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u_int32_t sc_rx_data_desc;
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u_int32_t sc_rx_mgt_desc;
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u_int16_t sc_scan_duration;
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u_int8_t sc_scan_chanset;
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u_int8_t sc_scan_pattern;
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int sc_nbindings;
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u_int8_t sc_my_addr[6];
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int sc_new_bss;
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struct awi_bss_binding sc_active_bss;
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/*
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* BSS's found during a scan.. XXX doesn't need to be in-line
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*/
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struct awi_bss_binding sc_bindings[NBND];
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int sc_txpending;
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int sc_ntxd;
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int sc_txnext; /* next txd to be given to driver */
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int sc_txfirst; /* first unsent txd dev has */
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struct awi_txbd sc_txd[NTXD];
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u_int8_t sc_curmib;
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int sc_scan_timer;
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int sc_tx_timer;
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int sc_mgt_timer;
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int sc_cmd_timer;
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int sc_selftest_tries;
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/*
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* packet parsing state.
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*/
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struct mbuf *sc_nextpkt;
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struct mbuf *sc_m;
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u_int8_t *sc_mptr;
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u_int32_t sc_mleft;
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int sc_flushpkt;
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};
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extern int awi_activate __P((struct device *, enum devact));
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extern int awi_attach __P((struct awi_softc *, u_int8_t *macaddr));
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#define awi_read_1(sc, off) ((sc)->sc_chip.sc_ops->read_1)(&sc->sc_chip, off)
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#define awi_read_2(sc, off) ((sc)->sc_chip.sc_ops->read_2)(&sc->sc_chip, off)
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#define awi_read_4(sc, off) ((sc)->sc_chip.sc_ops->read_4)(&sc->sc_chip, off)
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#define awi_read_bytes(sc, off, ptr, len) ((sc)->sc_chip.sc_ops->read_bytes)(&sc->sc_chip, off, ptr, len)
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#define awi_write_1(sc, off, val) \
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((sc)->sc_chip.sc_ops->write_1)(&sc->sc_chip, off, val)
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#define awi_write_2(sc, off, val) \
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((sc)->sc_chip.sc_ops->write_2)(&sc->sc_chip, off, val)
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#define awi_write_4(sc, off, val) \
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((sc)->sc_chip.sc_ops->write_4)(&sc->sc_chip, off, val)
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#define awi_write_bytes(sc, off, ptr, len) \
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((sc)->sc_chip.sc_ops->write_bytes)(&sc->sc_chip, off, ptr, len)
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#define awi_drvstate(sc, state) \
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awi_write_1(sc, AWI_DRIVERSTATE, \
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((state) | AWI_DRV_AUTORXLED|AWI_DRV_AUTOTXLED));
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/* Number of trips around the loop waiting for the device.. */
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#define AWI_LOCKOUT_SPIN 10000 /* 10ms */
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/* 24-byte mac header + 8 byte SNAP header + 1500-byte ether MTU */
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#define AWI_FRAME_SIZE 1532
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/* refresh associations every 300s */
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#define AWI_ASSOC_REFRESH 300
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extern int awi_intr __P((void *));
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