awivar.h revision 1.1 1 /*-
2 * Copyright (c) 1999 The NetBSD Foundation, Inc.
3 * All rights reserved.
4 *
5 * This code is derived from software contributed to The NetBSD Foundation
6 * by Bill Sommerfeld
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 * 2. Redistributions in binary form must reproduce the above copyright
14 * notice, this list of conditions and the following disclaimer in the
15 * documentation and/or other materials provided with the distribution.
16 * 3. All advertising materials mentioning features or use of this software
17 * must display the following acknowledgement:
18 * This product includes software developed by the NetBSD
19 * Foundation, Inc. and its contributors.
20 * 4. Neither the name of The NetBSD Foundation nor the names of its
21 * contributors may be used to endorse or promote products derived
22 * from this software without specific prior written permission.
23 *
24 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
25 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
26 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
27 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
28 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
29 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
30 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
31 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
32 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
33 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
34 * POSSIBILITY OF SUCH DAMAGE.
35 */
36
37
38 enum awi_state {
39 AWI_ST_OFF, /* powered off */
40 AWI_ST_SELFTEST, /* waiting for selftest to complete*/
41 AWI_ST_IFTEST, /* waiting for interface to respond */
42 AWI_ST_MIB_GET, /* fetching MIB variables */
43 AWI_ST_MIB_SET, /* stuffing MIB variables */
44 AWI_ST_TXINIT, /* initializing TX side */
45 AWI_ST_RXINIT, /* initializing RX side */
46 AWI_ST_SCAN, /* hunting for a BSS */
47 AWI_ST_SYNCED, /* synced? trying to auth.. */
48 /* there are probably some missing 802.11 states here.. */
49 AWI_ST_AUTHED, /* authenticated */
50 AWI_ST_RUNNING, /* ready to send user data.. */
51 AWI_ST_INSANE, /* failed to respond.. */
52 };
53
54 #define AWI_FL_CMD_INPROG 0x0001
55
56 #define AWI_SSID_LEN 33
57
58 struct awi_bss_binding
59 {
60 u_int8_t chanset; /* channel set to use */
61 u_int8_t pattern; /* hop pattern to use */
62 u_int8_t index; /* index to use */
63 u_int8_t rssi; /* strenght of this beacon */
64 u_int16_t dwell_time; /* dwell time */
65 u_int8_t bss_timestamp[8]; /* timestamp of this bss */
66 u_int8_t bss_id[6];
67 u_int32_t rxtime; /* unit's local time */
68 u_int8_t sslen;
69 u_int8_t ssid[AWI_SSID_LEN];
70 };
71
72 #define NBND 4
73 #define NTXD 4
74
75 struct awi_txbd
76 {
77 u_int32_t descr; /* offset to descriptor */
78 u_int32_t frame; /* offset to frame */
79 u_int32_t len; /* frame length */
80 };
81
82 struct awi_softc
83 {
84 struct device sc_dev;
85 struct am79c930_softc sc_chip;
86 struct ethercom sc_ec;
87 int sc_enabled;
88 enum awi_state sc_state;
89 int sc_flags;
90 void *sc_ih; /* interrupt handler */
91 struct ifnet *sc_ifp; /* XXX */
92 int (*sc_enable) __P((struct awi_softc *));
93 void (*sc_disable) __P((struct awi_softc *));
94 void (*sc_completion) __P((struct awi_softc *,
95 u_int8_t));
96
97 struct ifqueue sc_mgtq;
98
99 u_int32_t sc_txbase;
100 u_int32_t sc_txlen;
101 u_int32_t sc_rxbase;
102 u_int32_t sc_rxlen;
103
104 u_int32_t sc_rx_data_desc;
105 u_int32_t sc_rx_mgt_desc;
106
107 u_int16_t sc_scan_duration;
108 u_int8_t sc_scan_chanset;
109 u_int8_t sc_scan_pattern;
110
111 int sc_nbindings;
112
113 u_int8_t sc_my_addr[6];
114
115 int sc_new_bss;
116 struct awi_bss_binding sc_active_bss;
117 /*
118 * BSS's found during a scan.. XXX doesn't need to be in-line
119 */
120 struct awi_bss_binding sc_bindings[NBND];
121
122 int sc_txpending;
123 int sc_ntxd;
124 int sc_txnext; /* next txd to be given to driver */
125 int sc_txfirst; /* first unsent txd dev has */
126 struct awi_txbd sc_txd[NTXD];
127 u_int8_t sc_curmib;
128
129 int sc_scan_timer;
130 int sc_tx_timer;
131 int sc_mgt_timer;
132 int sc_cmd_timer;
133 int sc_selftest_tries;
134 };
135
136 extern int awi_activate __P((struct device *, enum devact));
137 extern int awi_attach __P((struct awi_softc *));
138
139 #define awi_read_1(sc, off) ((sc)->sc_chip.sc_ops->read_1)(&sc->sc_chip, off)
140 #define awi_read_2(sc, off) ((sc)->sc_chip.sc_ops->read_2)(&sc->sc_chip, off)
141 #define awi_read_4(sc, off) ((sc)->sc_chip.sc_ops->read_4)(&sc->sc_chip, off)
142 #define awi_read_bytes(sc, off, ptr, len) ((sc)->sc_chip.sc_ops->read_bytes)(&sc->sc_chip, off, ptr, len)
143
144 #define awi_write_1(sc, off, val) \
145 ((sc)->sc_chip.sc_ops->write_1)(&sc->sc_chip, off, val)
146 #define awi_write_2(sc, off, val) \
147 ((sc)->sc_chip.sc_ops->write_2)(&sc->sc_chip, off, val)
148 #define awi_write_4(sc, off, val) \
149 ((sc)->sc_chip.sc_ops->write_4)(&sc->sc_chip, off, val)
150 #define awi_write_bytes(sc, off, ptr, len) \
151 ((sc)->sc_chip.sc_ops->write_bytes)(&sc->sc_chip, off, ptr, len)
152
153 #define awi_drvstate(sc, state) \
154 awi_write_1(sc, AWI_DRIVERSTATE, \
155 ((state) | AWI_DRV_AUTORXLED|AWI_DRV_AUTOTXLED));
156
157 /* Number of trips around the loop waiting for the device.. */
158
159 #define AWI_LOCKOUT_SPIN 10000 /* 10ms */
160
161 /* 24-byte mac header + 8 byte SNAP header + 1500-byte ether MTU */
162 #define AWI_FRAME_SIZE 1532
163
164 /* refresh associations every 300s */
165
166 #define AWI_ASSOC_REFRESH 300
167
168 extern int awi_intr __P((void *));
169