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, see <http://www.gnu.org/licenses/>.
29 *
30 ********************************************************************/
31
32#ifndef IRLAP_EVENT_H
33#define IRLAP_EVENT_H
34
35#include <net/irda/irda.h>
36
37/* A few forward declarations (to make compiler happy) */
38struct irlap_cb;
39struct irlap_info;
40
41/* IrLAP States */
42typedef enum {
43	LAP_NDM,         /* Normal disconnected mode */
44	LAP_QUERY,
45	LAP_REPLY,
46	LAP_CONN,        /* Connect indication */
47	LAP_SETUP,       /* Setting up connection */
48	LAP_OFFLINE,     /* A really boring state */
49	LAP_XMIT_P,
50	LAP_PCLOSE,
51	LAP_NRM_P,       /* Normal response mode as primary */
52	LAP_RESET_WAIT,
53	LAP_RESET,
54	LAP_NRM_S,       /* Normal response mode as secondary */
55	LAP_XMIT_S,
56	LAP_SCLOSE,
57	LAP_RESET_CHECK,
58} IRLAP_STATE;
59
60/* IrLAP Events */
61typedef enum {
62	/* Services events */
63	DISCOVERY_REQUEST,
64	CONNECT_REQUEST,
65	CONNECT_RESPONSE,
66	DISCONNECT_REQUEST,
67	DATA_REQUEST,
68	RESET_REQUEST,
69	RESET_RESPONSE,
70
71	/* Send events */
72	SEND_I_CMD,
73	SEND_UI_FRAME,
74
75	/* Receive events */
76	RECV_DISCOVERY_XID_CMD,
77	RECV_DISCOVERY_XID_RSP,
78	RECV_SNRM_CMD,
79	RECV_TEST_CMD,
80	RECV_TEST_RSP,
81	RECV_UA_RSP,
82	RECV_DM_RSP,
83	RECV_RD_RSP,
84	RECV_I_CMD,
85	RECV_I_RSP,
86	RECV_UI_FRAME,
87	RECV_FRMR_RSP,
88	RECV_RR_CMD,
89	RECV_RR_RSP,
90	RECV_RNR_CMD,
91	RECV_RNR_RSP,
92	RECV_REJ_CMD,
93	RECV_REJ_RSP,
94	RECV_SREJ_CMD,
95	RECV_SREJ_RSP,
96	RECV_DISC_CMD,
97
98	/* Timer events */
99	SLOT_TIMER_EXPIRED,
100	QUERY_TIMER_EXPIRED,
101	FINAL_TIMER_EXPIRED,
102	POLL_TIMER_EXPIRED,
103	DISCOVERY_TIMER_EXPIRED,
104	WD_TIMER_EXPIRED,
105	BACKOFF_TIMER_EXPIRED,
106	MEDIA_BUSY_TIMER_EXPIRED,
107} IRLAP_EVENT;
108
109/*
110 * Disconnect reason code
111 */
112typedef enum { /* FIXME check the two first reason codes */
113	LAP_DISC_INDICATION=1, /* Received a disconnect request from peer */
114	LAP_NO_RESPONSE,       /* To many retransmits without response */
115	LAP_RESET_INDICATION,  /* To many retransmits, or invalid nr/ns */
116	LAP_FOUND_NONE,        /* No devices were discovered */
117	LAP_MEDIA_BUSY,
118	LAP_PRIMARY_CONFLICT,
119} LAP_REASON;
120
121extern const char *const irlap_state[];
122
123void irlap_do_event(struct irlap_cb *self, IRLAP_EVENT event,
124		    struct sk_buff *skb, struct irlap_info *info);
125void irlap_print_event(IRLAP_EVENT event);
126
127int irlap_qos_negotiate(struct irlap_cb *self, struct sk_buff *skb);
128
129#endif
130