summaryrefslogtreecommitdiff
path: root/sys/dev/usb/if_uathvar.h
blob: 8255c55513dc382b1d4efe0837200d4797b7f557 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
/*	$OpenBSD: if_uathvar.h,v 1.3 2006/09/20 19:47:17 damien Exp $	*/

/*-
 * Copyright (c) 2006
 *	Damien Bergamini <damien.bergamini@free.fr>
 *
 * Permission to use, copy, modify, and distribute this software for any
 * purpose with or without fee is hereby granted, provided that the above
 * copyright notice and this permission notice appear in all copies.
 *
 * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
 * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
 * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
 * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
 * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
 * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
 */

#define UATH_TX_DATA_LIST_COUNT	8	/* 16 */
#define UATH_TX_CMD_LIST_COUNT	8	/* 30 */

/* XXX ehci will panic on abort_pipe if set to anything > 1 */
#define UATH_RX_DATA_LIST_COUNT	1	/* 128 */
#define UATH_RX_CMD_LIST_COUNT	1	/* 30 */

#define UATH_RX_DATA_POOL_COUNT	(UATH_RX_DATA_LIST_COUNT + 24)

#define UATH_DATA_TIMEOUT	10000
#define UATH_CMD_TIMEOUT	1000

struct uath_rx_radiotap_header {
	struct ieee80211_radiotap_header wr_ihdr;
	uint8_t		wr_flags;
	uint16_t	wr_chan_freq;
	uint16_t	wr_chan_flags;
	int8_t		wr_dbm_antsignal;
} __packed;

#define UATH_RX_RADIOTAP_PRESENT					\
	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
	 (1 << IEEE80211_RADIOTAP_CHANNEL) |				\
	 (1 << IEEE80211_RADIOTAP_DBM_ANTSIGNAL))

struct uath_tx_radiotap_header {
	struct ieee80211_radiotap_header wt_ihdr;
	uint8_t		wt_flags;
	uint16_t	wt_chan_freq;
	uint16_t	wt_chan_flags;
} __packed;

#define UATH_TX_RADIOTAP_PRESENT					\
	((1 << IEEE80211_RADIOTAP_FLAGS) |				\
	 (1 << IEEE80211_RADIOTAP_CHANNEL))

struct uath_tx_data {
	struct uath_softc	*sc;
	usbd_xfer_handle	xfer;
	uint8_t			*buf;
	struct ieee80211_node	*ni;
};

struct uath_rx_data {
	struct uath_softc		*sc;
	usbd_xfer_handle		xfer;
	uint8_t				*buf;
	SLIST_ENTRY(uath_rx_data)	next;
};

struct uath_tx_cmd {
	struct uath_softc	*sc;
	usbd_xfer_handle	xfer;
	uint8_t			*buf;
	void			*odata;
};

struct uath_rx_cmd {
	struct uath_softc	*sc;
	usbd_xfer_handle	xfer;
	uint8_t			*buf;
};

struct uath_wme_settings {
	uint8_t		aifsn;
	uint8_t		logcwmin;
	uint8_t		logcwmax;
	uint16_t	txop;
#define UATH_TXOP_TO_US(txop)	((txop) << 5)

	uint8_t		acm;
};

/* condvars */
#define UATH_COND_INIT(sc)	((caddr_t)sc + 1)
#define UATH_COND_NOREF(sc)	((caddr_t)sc + 2)

/* flags for sending firmware commands */
#define UATH_CMD_FLAG_ASYNC	(1 << 0)
#define UATH_CMD_FLAG_READ	(1 << 1)
#define UATH_CMD_FLAG_MAGIC	(1 << 2)

struct uath_softc {
	USBBASEDEVICE			sc_dev;
	struct ieee80211com		sc_ic;
	int				(*sc_newstate)(struct ieee80211com *,
					    enum ieee80211_state, int);

	struct uath_tx_data		tx_data[UATH_TX_DATA_LIST_COUNT];
	struct uath_rx_data		rx_data[UATH_RX_DATA_POOL_COUNT];

	struct uath_tx_cmd		tx_cmd[UATH_TX_CMD_LIST_COUNT];
	struct uath_rx_cmd		rx_cmd[UATH_RX_CMD_LIST_COUNT];

	SLIST_HEAD(, uath_rx_data)	rx_freelist;

	int				sc_flags;
	int				sc_dying;
	int				sc_refcnt;

	int				data_idx;
	int				cmd_idx;
	int				tx_queued;

	usbd_device_handle		sc_udev;
	usbd_interface_handle		sc_iface;

	usbd_pipe_handle		data_tx_pipe;
	usbd_pipe_handle		data_rx_pipe;
	usbd_pipe_handle		cmd_tx_pipe;
	usbd_pipe_handle		cmd_rx_pipe;

	enum ieee80211_state		sc_state;
	int				sc_arg;
	struct usb_task			sc_task;

	struct timeout			scan_to;
	struct timeout			stat_to;

	int				sc_tx_timer;

	int				rxbufsz;

#if NBPFILTER > 0
	caddr_t				sc_drvbpf;

	union {
		struct	uath_rx_radiotap_header th;
		uint8_t	pad[64];
	}				sc_rxtapu;
#define sc_rxtap			sc_rxtapu.th
	int				sc_rxtap_len;

	union {
		struct	uath_tx_radiotap_header th;
		uint8_t	pad[64];
	}				sc_txtapu;
#define sc_txtap			sc_txtapu.th
	int				sc_txtap_len;
#endif
};