aboutsummaryrefslogtreecommitdiffstats
path: root/net/irda/irnet/irnet_irda.h
blob: 0ba92d0d52040e6c142dd7a1184d6cb44e87dde7 (plain) (blame)
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
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
/*
 *	IrNET protocol module : Synchronous PPP over an IrDA socket.
 *
 *		Jean II - HPL `00 - <jt@hpl.hp.com>
 *
 * This file contains all definitions and declarations necessary for the
 * IRDA part of the IrNET module (dealing with IrTTP, IrIAS and co).
 * This file is a private header, so other modules don't want to know
 * what's in there...
 */

#ifndef IRNET_IRDA_H
#define IRNET_IRDA_H

/***************************** INCLUDES *****************************/
/* Please add other headers in irnet.h */

#include "irnet.h"		/* Module global include */

/************************ CONSTANTS & MACROS ************************/

/*
 * Name of the service (socket name) used by IrNET
 */
/* IAS object name (or part of it) */
#define IRNET_SERVICE_NAME	"IrNetv1"
/* IAS attribute */
#define IRNET_IAS_VALUE		"IrDA:TinyTP:LsapSel"
/* LMP notify name for client (only for /proc/net/irda/irlmp) */
#define IRNET_NOTIFY_NAME	"IrNET socket"
/* LMP notify name for server (only for /proc/net/irda/irlmp) */
#define IRNET_NOTIFY_NAME_SERV	"IrNET server"

/****************************** TYPES ******************************/

/*
 * This is the main structure where we store all the data pertaining to
 * the IrNET server (listen for connection requests) and the root
 * of the IrNET socket list
 */
typedef struct irnet_root
{
  irnet_socket		s;		/* To pretend we are a client... */

  /* Generic stuff */
  int			magic;		/* Paranoia */
  int			running;	/* Are we operational ? */

  /* Link list of all IrNET instances opened */
  hashbin_t *		list;
  spinlock_t		spinlock;	/* Serialize access to the list */
  /* Note : the way hashbin has been designed is absolutely not
   * reentrant, beware... So, we blindly protect all with spinlock */

  /* Handle for the hint bit advertised in IrLMP */
  void *		skey;

  /* Server socket part */
  struct ias_object *	ias_obj;	/* Our service name + lsap in IAS */

} irnet_root;


/**************************** PROTOTYPES ****************************/

/* ----------------------- CONTROL CHANNEL ----------------------- */
static void
	irnet_post_event(irnet_socket *,
			 irnet_event,
			 __u32,
			 __u32,
			 char *,
			 __u16);
/* ----------------------- IRDA SUBROUTINES ----------------------- */
static inline int
	irnet_open_tsap(irnet_socket *);
static inline __u8
	irnet_ias_to_tsap(irnet_socket *,
			  int,
			  struct ias_value *);
static inline int
	irnet_find_lsap_sel(irnet_socket *);
static inline int
	irnet_connect_tsap(irnet_socket *);
static inline int
	irnet_discover_next_daddr(irnet_socket *);
static inline int
	irnet_discover_daddr_and_lsap_sel(irnet_socket *);
static inline int
	irnet_dname_to_daddr(irnet_socket *);
/* ------------------------ SERVER SOCKET ------------------------ */
static inline int
	irnet_daddr_to_dname(irnet_socket *);
static inline irnet_socket *
	irnet_find_socket(irnet_socket *);
static inline int
	irnet_connect_socket(irnet_socket *,
			     irnet_socket *,
			     struct qos_info *,
			     __u32,
			     __u8);
static inline void
	irnet_disconnect_server(irnet_socket *,
				struct sk_buff *);
static inline int
	irnet_setup_server(void);
static inline void
	irnet_destroy_server(void);
/* ---------------------- IRDA-TTP CALLBACKS ---------------------- */
static int
	irnet_data_indication(void *,		/* instance */
			      void *,		/* sap */
			      struct sk_buff *);
static void
	irnet_disconnect_indication(void *,
				    void *,
				    LM_REASON,
				    struct sk_buff *);
static void
	irnet_connect_confirm(void *,
			      void *,
			      struct qos_info *,
			      __u32,
			      __u8,
			      struct sk_buff *);
static void
	irnet_flow_indication(void *,
			      void *,
			      LOCAL_FLOW);
static void
	irnet_status_indication(void *,
				LINK_STATUS,
				LOCK_STATUS);
static void
	irnet_connect_indication(void *,
				 void *,
				 struct qos_info *,
				 __u32,
				 __u8,
				 struct sk_buff *);
/* -------------------- IRDA-IAS/LMP CALLBACKS -------------------- */
static void
	irnet_getvalue_confirm(int,
			       __u16,
			       struct ias_value *,
			       void *);
static void
	irnet_discovervalue_confirm(int,
				    __u16,
				    struct ias_value *,
				    void *);
#ifdef DISCOVERY_EVENTS
static void
	irnet_discovery_indication(discinfo_t *,
				   DISCOVERY_MODE,
				   void *);
static void
	irnet_expiry_indication(discinfo_t *,
				DISCOVERY_MODE,
				void *);
#endif
/* -------------------------- PROC ENTRY -------------------------- */
#ifdef CONFIG_PROC_FS
static int
	irnet_proc_read(char *,
			char **,
			off_t,
			int);
#endif /* CONFIG_PROC_FS */

/**************************** VARIABLES ****************************/

/*
 * The IrNET server. Listen to connection requests and co...
 */
static struct irnet_root	irnet_server;

/* Control channel stuff (note : extern) */
struct irnet_ctrl_channel	irnet_events;

/* The /proc/net/irda directory, defined elsewhere... */
#ifdef CONFIG_PROC_FS
extern struct proc_dir_entry *proc_irda;
#endif /* CONFIG_PROC_FS */

#endif /* IRNET_IRDA_H */