1/*
2 * CDDL HEADER START
3 *
4 * The contents of this file are subject to the terms of the
5 * Common Development and Distribution License (the "License").
6 * You may not use this file except in compliance with the License.
7 *
8 * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9 * or http://www.opensolaris.org/os/licensing.
10 * See the License for the specific language governing permissions
11 * and limitations under the License.
12 *
13 * When distributing Covered Code, include this CDDL HEADER in each
14 * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15 * If applicable, add the following below this CDDL HEADER, with the
16 * fields enclosed by brackets "[]" replaced with your own identifying
17 * information: Portions Copyright [yyyy] [name of copyright owner]
18 *
19 * CDDL HEADER END
20 */
21/*
22 * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23 * Use is subject to license terms.
24 */
25
26#ifndef _SYS_UWB_UWBA_H
27#define	_SYS_UWB_UWBA_H
28
29#ifdef	__cplusplus
30extern "C" {
31#endif
32
33
34/*
35 * UWBA private header file.
36 */
37
38#include <sys/note.h>
39#include <sys/sunddi.h>
40#include <sys/types.h>
41#include <sys/list.h>
42#include <sys/bitset.h>
43#include <sys/bitmap.h>
44
45#include <sys/uwb/uwb.h>
46#include <sys/uwb/uwbai.h>
47
48/* For logging. */
49#define	UWBA_LOG_DEBUG		2
50#define	UWBA_LOG_LOG		1
51#define	UWBA_LOG_CONSOLE	0
52
53#define	offsetof(s, m)	((size_t)(&(((s *)0)->m)))
54#define	isdigit(ch) ((ch >= '0') && (ch <= '9'))
55
56#define	UWB_RAW_RESULT_CODE_SIZE	5  /* size of RCEB + bResultCode */
57#define	UWB_RAW_RCCB_HEAD_SIZE		4  /* size of RCCB */
58
59#define	UWB_RAW_BEVENTTYPE_OFFSET	0  /* offset of bEventType */
60#define	UWB_RAW_WEVENT_OFFSET		1  /* offset of wEvent */
61#define	UWB_RAW_BEVENTCONTEXT_OFFSET	3  /* offset of bEventContext */
62#define	UWB_RAW_BRESULTCODE_OFFSET	4  /* offset of bResultCode */
63
64
65
66#define	UWB_CTXT_ID_TOP		0xfe	/* top context id */
67#define	UWB_CTXT_ID_BOTTOM	0x1	/* bottom context id */
68#define	UWB_CTXT_ID_NOTIF	0x0	/* notification context id */
69#define	UWB_CTXT_ID_UNVALID	0xff	/* invalid context id */
70
71
72#define	UWB_INVALID_EVT_CODE 0x7ffe	/* invalid evt/notif code */
73#define	UWB_INVALID_EVT_SIZE 0x7fff	/* invalid evt length */
74
75#define	UWB_MAX_NOTIF_NUMBER 10		/* Max notifications in a notif_list */
76
77#define	UWB_MAX_CDEV_NUMBER 32		/* Max client radio device */
78
79/*
80 * Offset of data rates Bits in PHY Capability Bitmap.
81 * [ECMA, 16.8.16, table 112]
82 */
83#define	UWB_RATE_OFFSET_BASE 16
84/* the offset of data rate 53.3Mbps in PHY capability bitmap */
85#define	UWB_RATE_OFFSET_53 UWB_RATE_OFFSET_BASE
86#define	UWB_RATE_OFFSET_80 (UWB_RATE_OFFSET_BASE + 1) /* 80Mbps */
87#define	UWB_RATE_OFFSET_106 (UWB_RATE_OFFSET_BASE + 2)
88#define	UWB_RATE_OFFSET_160 (UWB_RATE_OFFSET_BASE + 3)
89#define	UWB_RATE_OFFSET_200 (UWB_RATE_OFFSET_BASE + 4)
90#define	UWB_RATE_OFFSET_320 (UWB_RATE_OFFSET_BASE + 5)
91#define	UWB_RATE_OFFSET_400 (UWB_RATE_OFFSET_BASE + 6)
92#define	UWB_RATE_OFFSET_480 (UWB_RATE_OFFSET_BASE + 7)
93
94typedef int  (*uwb_rccb_handler_t)(uwb_dev_handle_t, uwb_rccb_cmd_t *);
95#define	UWB_RCCB_NULL_HANDLER ((uwb_rccb_handler_t)0)
96
97#define	UWB_STATE_IDLE		0
98#define	UWB_STATE_BEACON	1
99#define	UWB_STATE_SCAN		2
100
101/* radio client device */
102typedef struct uwba_client_dev {
103	uint8_t			bChannelNumber;
104	uint8_t			bBeaconType;
105	uint16_t		wBPSTOffset;
106	uwb_beacon_frame_t	beacon_frame;
107	list_node_t		dev_node;
108} uwba_client_dev_t;
109
110/* Command result from the radio controller */
111typedef struct uwb_cmd_result {
112	uwb_rceb_head_t rceb;
113
114	/* Cmd result data from device when cmd is finished. */
115	uint8_t		buf[1];
116} uwb_cmd_result_t;
117
118
119typedef struct uwb_cmd_result_wrapper {
120	/* Length of a uwb cmd_result */
121	int			length;
122
123	uwb_cmd_result_t	*cmd_result;
124} uwb_cmd_result_wrapper_t;
125
126typedef struct uwb_notif_wrapper {
127	/* Length of uwb notifcation */
128	int		length;
129	uwb_rceb_notif_t	*notif;
130
131	list_node_t	notif_node;
132} uwb_notif_wrapper_t;
133
134
135
136typedef struct uwba_dev {
137	/* dip of the uwb radio controller device */
138	dev_info_t	*dip;
139
140	/* Dev and instance */
141	char		*devinst;
142
143	kmutex_t	dev_mutex;
144
145	/* send cmd to the device */
146	int	(*send_cmd)(uwb_dev_handle_t, mblk_t *, uint16_t);
147
148	/* current command block */
149	uwb_rccb_cmd_t	curr_rccb;
150
151	/* wait for cmd complete and the cmd result available */
152	kcondvar_t	cmd_result_cv;
153	kcondvar_t	cmd_handler_cv;
154
155	/* filled by uwb_fill_cmd_result in rc driver's cmd call back */
156	uwb_cmd_result_wrapper_t cmd_result_wrap;
157
158	/*
159	 * set to TRUE when start to do cmd ioctl;
160	 * set to FALSE when put_cmd and exit cmd ioctl
161	 */
162	boolean_t	cmd_busy;
163
164	/* Device state */
165	uint8_t		dev_state;
166
167	/* Beacon or scan channel */
168	uint8_t		channel;
169
170	/* Device address */
171	uint16_t	dev_addr;
172
173	/* notifications from radio controller device */
174	list_t		notif_list;
175
176	/* the current number of notifications in the notif_list */
177	int		notif_cnt;
178
179	/* client radio devices found through beacons by this radio host */
180	list_t		client_dev_list;
181
182	/* the current number of devices in dev_list */
183	int		client_dev_cnt;
184
185	/* context id is maintained by uwba */
186	uint8_t		ctxt_id;	/* current command context id */
187	bitset_t	ctxt_bits;	/* command context bit map */
188
189	/* PHY capability bitmap, saved from PHY capability IE */
190	ulong_t		phy_cap_bm;
191
192	/* list node of a uwb radio host device */
193	list_node_t	uwba_dev_node;
194} uwba_dev_t;
195
196_NOTE(MUTEX_PROTECTS_DATA(uwba_dev_t::dev_mutex, uwba_dev_t))
197_NOTE(DATA_READABLE_WITHOUT_LOCK(uwba_dev_t::{
198	dip
199	devinst
200	send_cmd
201	phy_cap_bm
202	notif_cnt
203	dev_state
204	dip
205	ctxt_id
206	ctxt_bits
207	notif_list
208	cmd_result_wrap
209	client_dev_cnt
210	channel
211	dev_addr
212}))
213
214
215typedef struct uwba_evt_size {
216	/* length of a evt/notif structure, impact by alignment */
217	uint8_t	struct_len;
218
219	/*
220	 * offset of the length member of an event/notif struct.
221	 * if zero, means there is no variable buf length member
222	 * in this struct
223	 */
224	uint16_t	buf_len_offset;
225} uwba_evt_size_t;
226typedef struct uwba_channel_range {
227	/* First channel in the specific bandgroup */
228	uint8_t base;
229
230	/* Length since this first channel in the bandgroup */
231	uint8_t offset;
232}  uwba_channel_range_t;
233
234#define	UWB_RESULT_CODE_SIZE	(sizeof (uwb_rceb_result_code_t))
235
236/* str_t is the struct type of the notif/evt */
237#define	UWB_EVT_RCEB_SZ		(sizeof (uwb_rceb_t))
238
239/* the size after excluded the rceb head */
240#define	UWB_EVT_END_SZ(stru_t)	(sizeof (stru_t) - sizeof (uwb_rceb_t))
241
242#define	UWB_EVT_NO_BUF_LEN_OFFSET	0
243
244/* Offset of wBeaconInfoLength in uwb_rceb_beacon_t */
245#define	UWB_BEACONINFOLEN_OFFSET 10
246
247/* Offset of BeaconInfo from bChannelNumber in uwb_rceb_beacon_t */
248#define	UWB_BEACONINFO_OFFSET 8
249
250/*
251 * UWB radio controller device list
252 */
253void	uwba_dev_add_to_list(uwba_dev_t *);
254void	uwba_dev_rm_from_list(uwba_dev_t *);
255void	uwba_alloc_uwb_dev(dev_info_t *, uwba_dev_t **, uint_t);
256void	uwba_free_uwb_dev(uwba_dev_t *);
257uwb_dev_handle_t uwba_dev_search(dev_info_t *);
258
259/*
260 * Context ID operations
261 */
262void	uwba_init_ctxt_id(uwba_dev_t *);
263void	uwba_fini_ctxt_id(uwba_dev_t *);
264uint8_t	uwba_get_ctxt_id(uwba_dev_t *);
265void	uwba_free_ctxt_id(uwba_dev_t *, uint8_t);
266
267void		uwba_fill_rccb_head(uwba_dev_t *, uint16_t, mblk_t *);
268uint16_t	uwba_get_evt_code(uint8_t *, int);
269uint16_t	uwba_get_evt_size(uint8_t *, int, uint16_t);
270
271void	uwba_put_cmd_result(uwba_dev_t *, void *, uint16_t);
272int	uwba_add_notif_to_list(uwba_dev_t *, void *, uint16_t);
273
274/*
275 * Parse events/notifications from radio controller device
276 */
277int	uwba_parse_data(char *,	uchar_t *, size_t, void *, size_t);
278int	uwba_parse_rceb(uint8_t *, size_t,	void *, size_t);
279int	uwba_parse_dev_addr_mgmt(uint8_t *, int, uwb_rceb_dev_addr_mgmt_t *);
280int	uwba_parse_get_ie(uwb_dev_handle_t, uint8_t *,
281	int, uwb_rceb_get_ie_t *);
282int	uwba_parse_beacon_rcv(uwb_dev_handle_t, uint8_t *,
283	int, uwb_rceb_beacon_t *);
284int	uwba_parse_bpoie_chg(uwb_dev_handle_t, uint8_t *,
285	int, uwb_rceb_bpoie_change_t *);
286uint8_t uwba_allocate_channel(uwb_dev_handle_t);
287uint8_t *uwba_find_ie(uwb_dev_handle_t, uint_t, uint8_t *, uint16_t);
288
289void uwba_copy_rccb(uwb_rccb_cmd_t *, uwb_rccb_cmd_t *);
290
291uwba_client_dev_t *uwba_find_cdev_by_channel(uwba_dev_t *, uint8_t);
292
293/* Debug/message log */
294void	uwba_log(uwba_dev_t *, uint_t, char *, ...);
295const char *uwba_event_msg(uint16_t);
296
297/* Turn a little endian byte array to a uint32_t */
298#define	LE_TO_UINT32(src, off, des) \
299{ \
300	uint32_t tmp; \
301	des = src[off + 3]; \
302	des = des << 24; \
303	tmp = src[off + 2]; \
304	des |= tmp << 16; \
305	tmp = src[off + 1]; \
306	des |= tmp << 8; \
307	des |= src[off]; \
308}
309
310/* Turn a uint32_t to a little endian byte array */
311#define	UINT32_TO_LE(src, off, des) \
312{ \
313	des[off + 0] = 0xff & src; \
314	des[off + 1] = 0xff & (src >> 8); \
315	des[off + 2] = 0xff & (src >> 16); \
316	des[off + 3] = 0xff & (src >> 24); \
317}
318
319/* Turn a little endian byte array to a uint16_t */
320#define	LE_TO_UINT16(src, off, des) \
321{ \
322	des = src[off + 1]; \
323	des = des << 8; \
324	des |= src[off]; \
325}
326
327/* Turn a uint16_t to alittle endian byte array */
328#define	UINT16_TO_LE(src, off, des) \
329{ \
330	des[off + 0] = 0xff & src; \
331	des[off + 1] = 0xff & (src >> 8); \
332}
333
334
335/* Max string length for the driver name and instance number. */
336#define	UWB_MAXSTRINGLEN 255
337
338
339#ifdef __cplusplus
340}
341#endif
342
343#endif	/* _SYS_UWB_UWBA_H */
344