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ircomm_core.h
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1 /*********************************************************************
2  *
3  * Filename: ircomm_core.h
4  * Version:
5  * Description:
6  * Status: Experimental.
7  * Author: Dag Brattli <[email protected]>
8  * Created at: Wed Jun 9 08:58:43 1999
9  * Modified at: Mon Dec 13 11:52:29 1999
10  * Modified by: Dag Brattli <[email protected]>
11  *
12  * Copyright (c) 1999 Dag Brattli, All Rights Reserved.
13  *
14  * This program is free software; you can redistribute it and/or
15  * modify it under the terms of the GNU General Public License as
16  * published by the Free Software Foundation; either version 2 of
17  * the License, or (at your option) any later version.
18  *
19  * This program is distributed in the hope that it will be useful,
20  * but WITHOUT ANY WARRANTY; without even the implied warranty of
21  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
22  * GNU General Public License for more details.
23  *
24  * You should have received a copy of the GNU General Public License
25  * along with this program; if not, write to the Free Software
26  * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
27  * MA 02111-1307 USA
28  *
29  ********************************************************************/
30 
31 #ifndef IRCOMM_CORE_H
32 #define IRCOMM_CORE_H
33 
34 #include <net/irda/irda.h>
35 #include <net/irda/irqueue.h>
36 #include <net/irda/ircomm_event.h>
37 
38 #define IRCOMM_MAGIC 0x98347298
39 #define IRCOMM_HEADER_SIZE 1
40 
41 struct ircomm_cb; /* Forward decl. */
42 
43 /*
44  * A small call-table, so we don't have to check the service-type whenever
45  * we want to do something
46  */
47 typedef struct {
48  int (*data_request)(struct ircomm_cb *, struct sk_buff *, int clen);
49  int (*connect_request)(struct ircomm_cb *, struct sk_buff *,
50  struct ircomm_info *);
51  int (*connect_response)(struct ircomm_cb *, struct sk_buff *);
52  int (*disconnect_request)(struct ircomm_cb *, struct sk_buff *,
53  struct ircomm_info *);
54 } call_t;
55 
56 struct ircomm_cb {
59 
62 
63  int state;
64  int line; /* Which TTY line we are using */
65 
66  struct tsap_cb *tsap;
67  struct lsap_cb *lsap;
68 
69  __u8 dlsap_sel; /* Destination LSAP/TSAP selector */
70  __u8 slsap_sel; /* Source LSAP/TSAP selector */
71 
72  __u32 saddr; /* Source device address (link we are using) */
73  __u32 daddr; /* Destination device address */
74 
75  int max_header_size; /* Header space we must reserve for each frame */
76  int max_data_size; /* The amount of data we can fill in each frame */
77 
78  LOCAL_FLOW flow_status; /* Used by ircomm_lmp */
79  int pkt_count; /* Number of frames we have sent to IrLAP */
80 
82 };
83 
84 extern hashbin_t *ircomm;
85 
87 int ircomm_close(struct ircomm_cb *self);
88 
89 int ircomm_data_request(struct ircomm_cb *self, struct sk_buff *skb);
90 void ircomm_data_indication(struct ircomm_cb *self, struct sk_buff *skb);
91 void ircomm_process_data(struct ircomm_cb *self, struct sk_buff *skb);
92 int ircomm_control_request(struct ircomm_cb *self, struct sk_buff *skb);
94  __u32 saddr, __u32 daddr, struct sk_buff *skb,
96 void ircomm_connect_indication(struct ircomm_cb *self, struct sk_buff *skb,
97  struct ircomm_info *info);
98 void ircomm_connect_confirm(struct ircomm_cb *self, struct sk_buff *skb,
99  struct ircomm_info *info);
100 int ircomm_connect_response(struct ircomm_cb *self, struct sk_buff *userdata);
101 int ircomm_disconnect_request(struct ircomm_cb *self, struct sk_buff *userdata);
102 void ircomm_disconnect_indication(struct ircomm_cb *self, struct sk_buff *skb,
103  struct ircomm_info *info);
104 void ircomm_flow_request(struct ircomm_cb *self, LOCAL_FLOW flow);
105 
106 #define ircomm_is_connected(self) (self->state == IRCOMM_CONN)
107 
108 #endif