1 /* $FreeBSD: src/sys/dev/usb/if_uralvar.h,v 1.10 2008/04/20 20:35:38 sam Exp $ */
2
3 /*-
4 * Copyright (c) 2005
5 * Damien Bergamini <damien.bergamini@free.fr>
6 *
7 * Permission to use, copy, modify, and distribute this software for any
8 * purpose with or without fee is hereby granted, provided that the above
9 * copyright notice and this permission notice appear in all copies.
10 *
11 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
12 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
13 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
14 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
15 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
16 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
17 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
18 */
19
20 #define RAL_RX_LIST_COUNT 1
21 #define RAL_TX_LIST_COUNT 8
22
23 #define URAL_SCAN_START 1
24 #define URAL_SCAN_END 2
25 #define URAL_SET_CHANNEL 3
26
27
28 struct ural_rx_radiotap_header {
29 struct ieee80211_radiotap_header wr_ihdr;
30 uint8_t wr_flags;
31 uint8_t wr_rate;
32 uint16_t wr_chan_freq;
33 uint16_t wr_chan_flags;
34 uint8_t wr_antenna;
35 uint8_t wr_antsignal;
36 };
37
38 #define RAL_RX_RADIOTAP_PRESENT \
39 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
40 (1 << IEEE80211_RADIOTAP_RATE) | \
41 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
42 (1 << IEEE80211_RADIOTAP_ANTENNA) | \
43 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
44
45 struct ural_tx_radiotap_header {
46 struct ieee80211_radiotap_header wt_ihdr;
47 uint8_t wt_flags;
48 uint8_t wt_rate;
49 uint16_t wt_chan_freq;
50 uint16_t wt_chan_flags;
51 uint8_t wt_antenna;
52 };
53
54 #define RAL_TX_RADIOTAP_PRESENT \
55 ((1 << IEEE80211_RADIOTAP_FLAGS) | \
56 (1 << IEEE80211_RADIOTAP_RATE) | \
57 (1 << IEEE80211_RADIOTAP_CHANNEL) | \
58 (1 << IEEE80211_RADIOTAP_ANTENNA))
59
60 struct ural_softc;
61
62 struct ural_tx_data {
63 struct ural_softc *sc;
64 usbd_xfer_handle xfer;
65 uint8_t *buf;
66 struct mbuf *m;
67 struct ieee80211_node *ni;
68 };
69
70 struct ural_rx_data {
71 struct ural_softc *sc;
72 usbd_xfer_handle xfer;
73 uint8_t *buf;
74 struct mbuf *m;
75 };
76
77 struct ural_node {
78 struct ieee80211_node ni;
79 struct ieee80211_amrr_node amn;
80 };
81 #define URAL_NODE(ni) ((struct ural_node *)(ni))
82
83 struct ural_vap {
84 struct ieee80211vap vap;
85 struct ieee80211_beacon_offsets bo;
86 struct ieee80211_amrr amrr;
87 struct callout amrr_ch;
88
89 int (*newstate)(struct ieee80211vap *,
90 enum ieee80211_state, int);
91 };
92 #define URAL_VAP(vap) ((struct ural_vap *)(vap))
93
94 struct ural_softc {
95 struct ifnet *sc_ifp;
96 device_t sc_dev;
97 usbd_device_handle sc_udev;
98 usbd_interface_handle sc_iface;
99
100 const struct ieee80211_rate_table *sc_rates;
101
102 int sc_rx_no;
103 int sc_tx_no;
104
105 uint32_t asic_rev;
106 uint8_t rf_rev;
107
108 usbd_xfer_handle amrr_xfer;
109
110 usbd_pipe_handle sc_rx_pipeh;
111 usbd_pipe_handle sc_tx_pipeh;
112
113 enum ieee80211_state sc_state;
114 int sc_arg;
115 int sc_scan_action; /* should be an enum */
116 struct usb_task sc_task;
117 struct usb_task sc_scantask;
118
119 struct ural_rx_data rx_data[RAL_RX_LIST_COUNT];
120 struct ural_tx_data tx_data[RAL_TX_LIST_COUNT];
121 int tx_queued;
122 int tx_cur;
123
124 struct mtx sc_mtx;
125
126 struct callout watchdog_ch;
127 int sc_tx_timer;
128
129 uint16_t sta[11];
130 uint32_t rf_regs[4];
131 uint8_t txpow[14];
132
133 struct {
134 uint8_t val;
135 uint8_t reg;
136 } __packed bbp_prom[16];
137
138 int led_mode;
139 int hw_radio;
140 int rx_ant;
141 int tx_ant;
142 int nb_ant;
143
144 struct ural_rx_radiotap_header sc_rxtap;
145 int sc_rxtap_len;
146
147 struct ural_tx_radiotap_header sc_txtap;
148 int sc_txtap_len;
149 };
150
151 #if 0
152 #define RAL_LOCK(sc) mtx_lock(&(sc)->sc_mtx)
153 #define RAL_UNLOCK(sc) mtx_unlock(&(sc)->sc_mtx)
154 #else
155 #define RAL_LOCK(sc) do { ((sc) = (sc)); mtx_lock(&Giant); } while (0)
156 #define RAL_UNLOCK(sc) mtx_unlock(&Giant)
157 #endif
158
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