1/*********************************************************************
2 *
3 *
4 * Filename:      irlap_event.h
5 * Version:       0.1
6 * Description:
7 * Status:        Experimental.
8 * Author:        Dag Brattli <dagb@cs.uit.no>
9 * Created at:    Sat Aug 16 00:59:29 1997
10 * Modified at:   Tue Dec 21 11:20:30 1999
11 * Modified by:   Dag Brattli <dagb@cs.uit.no>
12 *
13 *     Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>,
14 *     All Rights Reserved.
15 *     Copyright (c) 2000-2002 Jean Tourrilhes <jt@hpl.hp.com>
16 *
17 *     This program is free software; you can redistribute it and/or
18 *     modify it under the terms of the GNU General Public License as
19 *     published by the Free Software Foundation; either version 2 of
20 *     the License, or (at your option) any later version.
21 *
22 *     This program is distributed in the hope that it will be useful,
23 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
24 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
25 *     GNU General Public License for more details.
26 *
27 *     You should have received a copy of the GNU General Public License
28 *     along with this program; if not, write to the Free Software
29 *     Foundation, Inc., 59 Temple Place, Suite 330, Boston,
30 *     MA 02111-1307 USA
31 *
32 ********************************************************************/
33
34#ifndef IRLAP_EVENT_H
35#define IRLAP_EVENT_H
36
37#include <net/irda/irda.h>
38
39/* A few forward declarations (to make compiler happy) */
40struct irlap_cb;
41struct irlap_info;
42
43/* IrLAP States */
44typedef enum {
45	LAP_NDM,         /* Normal disconnected mode */
46	LAP_QUERY,
47	LAP_REPLY,
48	LAP_CONN,        /* Connect indication */
49	LAP_SETUP,       /* Setting up connection */
50	LAP_OFFLINE,     /* A really boring state */
51	LAP_XMIT_P,
52	LAP_PCLOSE,
53	LAP_NRM_P,       /* Normal response mode as primary */
54	LAP_RESET_WAIT,
55	LAP_RESET,
56	LAP_NRM_S,       /* Normal response mode as secondary */
57	LAP_XMIT_S,
58	LAP_SCLOSE,
59	LAP_RESET_CHECK,
60} IRLAP_STATE;
61
62/* IrLAP Events */
63typedef enum {
64	/* Services events */
65	DISCOVERY_REQUEST,
66	CONNECT_REQUEST,
67	CONNECT_RESPONSE,
68	DISCONNECT_REQUEST,
69	DATA_REQUEST,
70	RESET_REQUEST,
71	RESET_RESPONSE,
72
73	/* Send events */
74	SEND_I_CMD,
75	SEND_UI_FRAME,
76
77	/* Receive events */
78	RECV_DISCOVERY_XID_CMD,
79	RECV_DISCOVERY_XID_RSP,
80	RECV_SNRM_CMD,
81	RECV_TEST_CMD,
82	RECV_TEST_RSP,
83	RECV_UA_RSP,
84	RECV_DM_RSP,
85	RECV_RD_RSP,
86	RECV_I_CMD,
87	RECV_I_RSP,
88	RECV_UI_FRAME,
89	RECV_FRMR_RSP,
90	RECV_RR_CMD,
91	RECV_RR_RSP,
92	RECV_RNR_CMD,
93	RECV_RNR_RSP,
94	RECV_REJ_CMD,
95	RECV_REJ_RSP,
96	RECV_SREJ_CMD,
97	RECV_SREJ_RSP,
98	RECV_DISC_CMD,
99
100	/* Timer events */
101	SLOT_TIMER_EXPIRED,
102	QUERY_TIMER_EXPIRED,
103	FINAL_TIMER_EXPIRED,
104	POLL_TIMER_EXPIRED,
105	DISCOVERY_TIMER_EXPIRED,
106	WD_TIMER_EXPIRED,
107	BACKOFF_TIMER_EXPIRED,
108	MEDIA_BUSY_TIMER_EXPIRED,
109} IRLAP_EVENT;
110
111/*
112 * Disconnect reason code
113 */
114typedef enum {
115	LAP_DISC_INDICATION=1, /* Received a disconnect request from peer */
116	LAP_NO_RESPONSE,       /* To many retransmits without response */
117	LAP_RESET_INDICATION,  /* To many retransmits, or invalid nr/ns */
118	LAP_FOUND_NONE,        /* No devices were discovered */
119	LAP_MEDIA_BUSY,
120	LAP_PRIMARY_CONFLICT,
121} LAP_REASON;
122
123extern const char *irlap_state[];
124
125void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event,
126		    struct sk_buff *skb, struct irlap_info *info);
127void irlap_print_event(IRLAP_EVENT event);
128
129extern int irlap_qos_negotiate(struct irlap_cb *self, struct sk_buff *skb);
130
131#endif
132