1 /*        $NetBSD: if_uralvar.h,v 1.15 2020/03/15 23:04:51 thorpej Exp $ */
2 /*        $OpenBSD: if_ralvar.h,v 1.2 2005/05/13 18:42:50 damien Exp $  */
3 
4 /*-
5  * Copyright (c) 2005
6  *        Damien Bergamini <damien.bergamini@free.fr>
7  *
8  * Permission to use, copy, modify, and distribute this software for any
9  * purpose with or without fee is hereby granted, provided that the above
10  * copyright notice and this permission notice appear in all copies.
11  *
12  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
13  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
14  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
15  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
16  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
17  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
18  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
19  */
20 
21 #define RAL_RX_LIST_COUNT     1
22 #define RAL_TX_LIST_COUNT     1
23 
24 struct ural_rx_radiotap_header {
25           struct ieee80211_radiotap_header wr_ihdr;
26           uint8_t             wr_flags;
27           uint8_t             wr_rate;
28           uint16_t  wr_chan_freq;
29           uint16_t  wr_chan_flags;
30           uint8_t             wr_antenna;
31           uint8_t             wr_antsignal;
32 };
33 
34 #define RAL_RX_RADIOTAP_PRESENT                                                           \
35           ((1 << IEEE80211_RADIOTAP_FLAGS) |                                    \
36            (1 << IEEE80211_RADIOTAP_RATE) |                                     \
37            (1 << IEEE80211_RADIOTAP_CHANNEL) |                                  \
38            (1 << IEEE80211_RADIOTAP_ANTENNA) |                                  \
39            (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
40 
41 struct ural_tx_radiotap_header {
42           struct ieee80211_radiotap_header wt_ihdr;
43           uint8_t             wt_flags;
44           uint8_t             wt_rate;
45           uint16_t  wt_chan_freq;
46           uint16_t  wt_chan_flags;
47           uint8_t             wt_antenna;
48 };
49 
50 #define RAL_TX_RADIOTAP_PRESENT                                                           \
51           ((1 << IEEE80211_RADIOTAP_FLAGS) |                                    \
52            (1 << IEEE80211_RADIOTAP_RATE) |                                     \
53            (1 << IEEE80211_RADIOTAP_CHANNEL) |                                  \
54            (1 << IEEE80211_RADIOTAP_ANTENNA))
55 
56 struct ural_softc;
57 
58 struct ural_tx_data {
59           struct ural_softc   *sc;
60           struct usbd_xfer    *xfer;
61           uint8_t                       *buf;
62           struct mbuf                   *m;
63           struct ieee80211_node         *ni;
64 };
65 
66 struct ural_rx_data {
67           struct ural_softc   *sc;
68           struct usbd_xfer    *xfer;
69           uint8_t                       *buf;
70           struct mbuf                   *m;
71 };
72 
73 struct ural_softc {
74           device_t            sc_dev;
75           struct ethercom               sc_ec;
76 #define sc_if       sc_ec.ec_if
77 
78           enum {
79                     URAL_INIT_NONE,
80                     URAL_INIT_INITED
81           } sc_init_state;
82           struct ieee80211com sc_ic;
83           int                           (*sc_newstate)(struct ieee80211com *,
84                                             enum ieee80211_state, int);
85 
86           kmutex_t            sc_media_mtx;       /* XXX */
87 
88           struct usbd_device *          sc_udev;
89           struct usbd_interface *       sc_iface;
90 
91           int                           sc_rx_no;
92           int                           sc_tx_no;
93 
94           uint32_t            asic_rev;
95           uint8_t                       rf_rev;
96 
97           struct usbd_xfer *  amrr_xfer;
98 
99           struct usbd_pipe *  sc_rx_pipeh;
100           struct usbd_pipe *  sc_tx_pipeh;
101 
102           enum ieee80211_state          sc_state;
103           struct usb_task               sc_task;
104 
105           struct ieee80211_amrr         amrr;
106           struct ieee80211_amrr_node    amn;
107 
108           struct ural_rx_data rx_data[RAL_RX_LIST_COUNT];
109           struct ural_tx_data tx_data[RAL_TX_LIST_COUNT];
110           int                           tx_queued;
111 
112           struct ieee80211_beacon_offsets sc_bo;
113 
114           struct callout                sc_scan_ch;
115           struct callout                sc_amrr_ch;
116 
117           int                           sc_tx_timer;
118 
119           int16_t                       sta[11];
120           uint32_t            rf_regs[4];
121           uint8_t                       txpow[14];
122 
123           struct {
124                     uint8_t   val;
125                     uint8_t   reg;
126           } __packed                    bbp_prom[16];
127 
128           int                           led_mode;
129           int                           hw_radio;
130           int                           rx_ant;
131           int                           tx_ant;
132           int                           nb_ant;
133 
134           struct bpf_if *               sc_drvbpf;
135 
136           union {
137                     struct ural_rx_radiotap_header th;
138                     uint8_t   pad[64];
139           }                             sc_rxtapu;
140 #define sc_rxtap    sc_rxtapu.th
141           int                           sc_rxtap_len;
142 
143           union {
144                     struct ural_tx_radiotap_header th;
145                     uint8_t   pad[64];
146           }                             sc_txtapu;
147 #define sc_txtap    sc_txtapu.th
148           int                           sc_txtap_len;
149 };
150