1 /*	$OpenBSD: if_ralvar.h,v 1.2 2005/05/13 18:42:50 damien 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	1
22 
23 struct ural_rx_radiotap_header {
24 	struct ieee80211_radiotap_header wr_ihdr;
25 	uint8_t		wr_flags;
26 	uint16_t	wr_chan_freq;
27 	uint16_t	wr_chan_flags;
28 	uint8_t		wr_antenna;
29 	uint8_t		wr_antsignal;
30 } __packed;
31 
32 #define RAL_RX_RADIOTAP_PRESENT						\
33 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
34 	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
35 	 (1 << IEEE80211_RADIOTAP_ANTENNA) |				\
36 	 (1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL))
37 
38 struct ural_tx_radiotap_header {
39 	struct ieee80211_radiotap_header wt_ihdr;
40 	uint8_t		wt_flags;
41 	uint8_t		wt_rate;
42 	uint16_t	wt_chan_freq;
43 	uint16_t	wt_chan_flags;
44 	uint8_t		wt_antenna;
45 } __packed;
46 
47 #define RAL_TX_RADIOTAP_PRESENT						\
48 	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
49 	 (1 << IEEE80211_RADIOTAP_RATE) |				\
50 	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
51 	 (1 << IEEE80211_RADIOTAP_ANTENNA))
52 
53 struct ural_softc;
54 
55 struct ural_tx_data {
56 	struct ural_softc	*sc;
57 	usbd_xfer_handle	xfer;
58 	uint8_t			*buf;
59 	struct mbuf		*m;
60 	struct ieee80211_node	*ni;
61 };
62 
63 struct ural_rx_data {
64 	struct ural_softc	*sc;
65 	usbd_xfer_handle	xfer;
66 	uint8_t			*buf;
67 	struct mbuf		*m;
68 };
69 
70 struct ural_softc {
71 	USBBASEDEVICE		sc_dev;
72 	struct ieee80211com	sc_ic;
73 	int			(*sc_newstate)(struct ieee80211com *,
74 				    enum ieee80211_state, int);
75 
76 	usbd_device_handle	sc_udev;
77 	usbd_interface_handle	sc_iface;
78 
79 	int			sc_rx_no;
80 	int			sc_tx_no;
81 
82 	uint32_t		asic_rev;
83 	uint8_t			rf_rev;
84 
85 	usbd_pipe_handle	sc_rx_pipeh;
86 	usbd_pipe_handle	sc_tx_pipeh;
87 
88 	enum ieee80211_state	sc_state;
89 	struct usb_task		sc_task;
90 
91 	struct ural_rx_data	rx_data[RAL_RX_LIST_COUNT];
92 	struct ural_tx_data	tx_data[RAL_TX_LIST_COUNT];
93 	int			tx_queued;
94 
95 	struct timeout		scan_ch;
96 
97 	int			sc_tx_timer;
98 
99 	uint32_t		rf_regs[4];
100 	uint8_t			txpow[14];
101 
102 	struct {
103 		uint8_t	val;
104 		uint8_t	reg;
105 	} __packed		bbp_prom[16];
106 
107 	int			led_mode;
108 	int			hw_radio;
109 	int			rx_ant;
110 	int			tx_ant;
111 	int			nb_ant;
112 
113 #if NBPFILTER > 0
114 	caddr_t			sc_drvbpf;
115 
116 	union {
117 		struct ural_rx_radiotap_header th;
118 		uint8_t	pad[64];
119 	}			sc_rxtapu;
120 #define sc_rxtap	sc_rxtapu.th
121 	int			sc_rxtap_len;
122 
123 	union {
124 		struct ural_tx_radiotap_header th;
125 		uint8_t	pad[64];
126 	}			sc_txtapu;
127 #define sc_txtap	sc_txtapu.th
128 	int			sc_txtap_len;
129 #endif
130 };
131