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gerrit-public.fairphone.software / kernel / msm-4.19 / 1da177e4c3f41524e886b7f1b8a0c1fc7321cac2 / . / net / irda / irnet / irnet_irda.h
blob: f2fecd32d8f6469dabedf96ecbd049baee895c2d [file] [log] [blame]
Linus Torvalds1da177e2005-04-16 15:20:36 -0700[diff] [blame^]1/*
2 * IrNET protocol module : Synchronous PPP over an IrDA socket.
3 *
4 * Jean II - HPL `00 - <jt@hpl.hp.com>
5 *
6 * This file contains all definitions and declarations necessary for the
7 * IRDA part of the IrNET module (dealing with IrTTP, IrIAS and co).
8 * This file is a private header, so other modules don't want to know
9 * what's in there...
10 */
11
12#ifndef IRNET_IRDA_H
13#define IRNET_IRDA_H
14
15/***************************** INCLUDES *****************************/
16/* Please add other headers in irnet.h */
17
18#include "irnet.h" /* Module global include */
19
20/************************ CONSTANTS & MACROS ************************/
21
22/*
23 * Name of the service (socket name) used by IrNET
24 */
25/* IAS object name (or part of it) */
26#define IRNET_SERVICE_NAME "IrNetv1"
27/* IAS attribute */
28#define IRNET_IAS_VALUE "IrDA:TinyTP:LsapSel"
29/* LMP notify name for client (only for /proc/net/irda/irlmp) */
30#define IRNET_NOTIFY_NAME "IrNET socket"
31/* LMP notify name for server (only for /proc/net/irda/irlmp) */
32#define IRNET_NOTIFY_NAME_SERV "IrNET server"
33
34/****************************** TYPES ******************************/
35
36/*
37 * This is the main structure where we store all the data pertaining to
38 * the IrNET server (listen for connection requests) and the root
39 * of the IrNET socket list
40 */
41typedef struct irnet_root
42{
43 irnet_socket s; /* To pretend we are a client... */
44
45 /* Generic stuff */
46 int magic; /* Paranoia */
47 int running; /* Are we operational ? */
48
49 /* Link list of all IrNET instances opened */
50 hashbin_t * list;
51 spinlock_t spinlock; /* Serialize access to the list */
52 /* Note : the way hashbin has been designed is absolutely not
53 * reentrant, beware... So, we blindly protect all with spinlock */
54
55 /* Handle for the hint bit advertised in IrLMP */
56 void * skey;
57
58 /* Server socket part */
59 struct ias_object * ias_obj; /* Our service name + lsap in IAS */
60
61} irnet_root;
62
63
64/**************************** PROTOTYPES ****************************/
65
66/* ----------------------- CONTROL CHANNEL ----------------------- */
67static void
68 irnet_post_event(irnet_socket *,
69 irnet_event,
70 __u32,
71 __u32,
72 char *,
73 __u16);
74/* ----------------------- IRDA SUBROUTINES ----------------------- */
75static inline int
76 irnet_open_tsap(irnet_socket *);
77static inline __u8
78 irnet_ias_to_tsap(irnet_socket *,
79 int,
80 struct ias_value *);
81static inline int
82 irnet_find_lsap_sel(irnet_socket *);
83static inline int
84 irnet_connect_tsap(irnet_socket *);
85static inline int
86 irnet_discover_next_daddr(irnet_socket *);
87static inline int
88 irnet_discover_daddr_and_lsap_sel(irnet_socket *);
89static inline int
90 irnet_dname_to_daddr(irnet_socket *);
91/* ------------------------ SERVER SOCKET ------------------------ */
92static inline int
93 irnet_daddr_to_dname(irnet_socket *);
94static inline irnet_socket *
95 irnet_find_socket(irnet_socket *);
96static inline int
97 irnet_connect_socket(irnet_socket *,
98 irnet_socket *,
99 struct qos_info *,
100 __u32,
101 __u8);
102static inline void
103 irnet_disconnect_server(irnet_socket *,
104 struct sk_buff *);
105static inline int
106 irnet_setup_server(void);
107static inline void
108 irnet_destroy_server(void);
109/* ---------------------- IRDA-TTP CALLBACKS ---------------------- */
110static int
111 irnet_data_indication(void *, /* instance */
112 void *, /* sap */
113 struct sk_buff *);
114static void
115 irnet_disconnect_indication(void *,
116 void *,
117 LM_REASON,
118 struct sk_buff *);
119static void
120 irnet_connect_confirm(void *,
121 void *,
122 struct qos_info *,
123 __u32,
124 __u8,
125 struct sk_buff *);
126static void
127 irnet_flow_indication(void *,
128 void *,
129 LOCAL_FLOW);
130static void
131 irnet_status_indication(void *,
132 LINK_STATUS,
133 LOCK_STATUS);
134static void
135 irnet_connect_indication(void *,
136 void *,
137 struct qos_info *,
138 __u32,
139 __u8,
140 struct sk_buff *);
141/* -------------------- IRDA-IAS/LMP CALLBACKS -------------------- */
142static void
143 irnet_getvalue_confirm(int,
144 __u16,
145 struct ias_value *,
146 void *);
147static void
148 irnet_discovervalue_confirm(int,
149 __u16,
150 struct ias_value *,
151 void *);
152#ifdef DISCOVERY_EVENTS
153static void
154 irnet_discovery_indication(discinfo_t *,
155 DISCOVERY_MODE,
156 void *);
157static void
158 irnet_expiry_indication(discinfo_t *,
159 DISCOVERY_MODE,
160 void *);
161#endif
162/* -------------------------- PROC ENTRY -------------------------- */
163#ifdef CONFIG_PROC_FS
164static int
165 irnet_proc_read(char *,
166 char **,
167 off_t,
168 int);
169#endif /* CONFIG_PROC_FS */
170
171/**************************** VARIABLES ****************************/
172
173/*
174 * The IrNET server. Listen to connection requests and co...
175 */
176static struct irnet_root irnet_server;
177
178/* Control channel stuff (note : extern) */
179struct irnet_ctrl_channel irnet_events;
180
181/* The /proc/net/irda directory, defined elsewhere... */
182#ifdef CONFIG_PROC_FS
183extern struct proc_dir_entry *proc_irda;
184#endif /* CONFIG_PROC_FS */
185
186#endif /* IRNET_IRDA_H */