1/* $NetBSD: anvar.h,v 1.20 2010/01/17 19:45:06 pooka Exp $ */
2/*
3 * Copyright (c) 1997, 1998, 1999
4 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 * 3. All advertising materials mentioning features or use of this software
15 * must display the following acknowledgement:
16 * This product includes software developed by Bill Paul.
17 * 4. Neither the name of the author nor the names of any co-contributors
18 * may be used to endorse or promote products derived from this software
19 * without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
25 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
31 * THE POSSIBILITY OF SUCH DAMAGE.
32 *
33 * $FreeBSD: src/sys/dev/an/if_aironet_ieee.h,v 1.2 2000/11/13 23:04:12 wpaul Exp $
34 */
35
36#ifndef _DEV_IC_ANVAR_H
37#define _DEV_IC_ANVAR_H
38
39#include <net80211/ieee80211_radiotap.h>
40
41#define AN_TIMEOUT 65536
42#define AN_MAGIC 0x414e
43
44/* The interrupts we will handle */
45#define AN_INTRS (AN_EV_RX | AN_EV_TX | AN_EV_TX_EXC | AN_EV_LINKSTAT)
46
47/*
48 * register space access macros
49 */
50#define CSR_WRITE_2(sc, reg, val) \
51 bus_space_write_2(sc->sc_iot, sc->sc_ioh, reg, val)
52
53#define CSR_READ_2(sc, reg) \
54 bus_space_read_2(sc->sc_iot, sc->sc_ioh, reg)
55
56#ifndef __BUS_SPACE_HAS_STREAM_METHODS
57#define bus_space_write_multi_stream_2 bus_space_write_multi_2
58#define bus_space_read_multi_stream_2 bus_space_read_multi_2
59#endif
60
61#define CSR_WRITE_MULTI_STREAM_2(sc, reg, val, count) \
62 bus_space_write_multi_stream_2(sc->sc_iot, sc->sc_ioh, reg, val, count)
63#define CSR_READ_MULTI_STREAM_2(sc, reg, buf, count) \
64 bus_space_read_multi_stream_2(sc->sc_iot, sc->sc_ioh, reg, buf, count)
65
66#define AN_TX_MAX_LEN \
67 (sizeof(struct an_txframe) + ETHER_TYPE_LEN + ETHER_MAX_LEN)
68#define AN_TX_RING_CNT 4
69#define AN_INC(x, y) (x) = (x + 1) % y
70
71struct an_wepkey {
72 int an_wep_key[16];
73 int an_wep_keylen;
74};
75
76/* Radio capture format for Aironet */
77#define AN_RX_RADIOTAP_PRESENT ((1 << IEEE80211_RADIOTAP_FLAGS) | \
78 (1 << IEEE80211_RADIOTAP_RATE) | \
79 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
80 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
81
82struct an_rx_radiotap_header {
83 struct ieee80211_radiotap_header ar_ihdr;
84 u_int8_t ar_flags;
85 u_int8_t ar_rate;
86 u_int16_t ar_chan_freq;
87 u_int16_t ar_chan_flags;
88 int8_t ar_antsignal;
89} __packed;
90
91#define AN_TX_RADIOTAP_PRESENT ((1 << IEEE80211_RADIOTAP_FLAGS) | \
92 (1 << IEEE80211_RADIOTAP_RATE) | \
93 (1 << IEEE80211_RADIOTAP_CHANNEL))
94
95struct an_tx_radiotap_header {
96 struct ieee80211_radiotap_header at_ihdr;
97 u_int8_t at_flags;
98 u_int8_t at_rate;
99 u_int16_t at_chan_freq;
100 u_int16_t at_chan_flags;
101} __packed;
102
103#define AN_GAPLEN_MAX 8
104
105struct an_softc {
106 device_t sc_dev;
107 struct ethercom sc_ec;
108 struct ieee80211com sc_ic;
109 bus_space_tag_t sc_iot;
110 bus_space_handle_t sc_ioh;
111 int (*sc_enable)(struct an_softc *);
112 void (*sc_disable)(struct an_softc *);
113 int (*sc_newstate)(struct ieee80211com *,
114 enum ieee80211_state, int);
115
116 int sc_enabled;
117 int sc_attached;
118
119 int sc_bap_id;
120 int sc_bap_off;
121
122 int sc_use_leap;
123 struct an_wepkey sc_wepkeys[IEEE80211_WEP_NKID];
124 int sc_perskeylen[IEEE80211_WEP_NKID];
125 int sc_tx_key;
126 int sc_tx_perskey;
127 int sc_tx_timer;
128 struct an_txdesc {
129 int d_fid;
130 int d_inuse;
131 } sc_txd[AN_TX_RING_CNT];
132 int sc_txnext;
133 int sc_txcur;
134
135 struct an_rid_genconfig sc_config;
136 struct an_rid_caps sc_caps;
137 union {
138 u_int16_t sc_val[1];
139 u_int8_t sc_txbuf[AN_TX_MAX_LEN];
140 struct an_rid_ssidlist sc_ssidlist;
141 struct an_rid_aplist sc_aplist;
142 struct an_rid_status sc_status;
143 struct an_rid_wepkey sc_wepkey;
144 struct an_rid_leapkey sc_leapkey;
145 struct an_rid_encap sc_encap;
146 } sc_buf;
147
148 /* radiotap header */
149 struct bpf_if * sc_drvbpf;
150 union {
151 struct an_rx_radiotap_header tap;
152 u_int8_t pad[64];
153 } sc_rxtapu;
154 union {
155 struct an_tx_radiotap_header tap;
156 u_int8_t pad[64];
157 } sc_txtapu;
158};
159
160#define sc_if sc_ec.ec_if
161#define sc_rxtap sc_rxtapu.tap
162#define sc_txtap sc_txtapu.tap
163
164int an_attach(struct an_softc *);
165int an_detach(struct an_softc *);
166int an_activate(device_t, enum devact);
167int an_intr(void *);
168
169#endif /* _DEV_IC_ANVAR_H */
170