1 /*********************************************************************
2 *
3 * Filename: ircomm_core.h
4 * Version:
5 * Description:
6 * Status: Experimental.
7 * Author: Dag Brattli <dagb@cs.uit.no>
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 <dagb@cs.uit.no>
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 {
57 irda_queue_t queue;
58 magic_t magic;
59
60 notify_t notify;
61 call_t issue;
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
81 __u8 service_type;
82 };
83
84 extern hashbin_t *ircomm;
85
86 struct ircomm_cb *ircomm_open(notify_t *notify, __u8 service_type, int line);
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);
93 int ircomm_connect_request(struct ircomm_cb *self, __u8 dlsap_sel,
94 __u32 saddr, __u32 daddr, struct sk_buff *skb,
95 __u8 service_type);
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
109
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