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1da177e4 LT |
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 | |
a6227e26 | 25 | * along with this program; if not, see <http://www.gnu.org/licenses/>. |
1da177e4 LT |
26 | * |
27 | ********************************************************************/ | |
28 | ||
29 | #ifndef IRCOMM_CORE_H | |
30 | #define IRCOMM_CORE_H | |
31 | ||
32 | #include <net/irda/irda.h> | |
33 | #include <net/irda/irqueue.h> | |
34 | #include <net/irda/ircomm_event.h> | |
35 | ||
36 | #define IRCOMM_MAGIC 0x98347298 | |
37 | #define IRCOMM_HEADER_SIZE 1 | |
38 | ||
39 | struct ircomm_cb; /* Forward decl. */ | |
40 | ||
41 | /* | |
42 | * A small call-table, so we don't have to check the service-type whenever | |
43 | * we want to do something | |
44 | */ | |
45 | typedef struct { | |
46 | int (*data_request)(struct ircomm_cb *, struct sk_buff *, int clen); | |
47 | int (*connect_request)(struct ircomm_cb *, struct sk_buff *, | |
48 | struct ircomm_info *); | |
49 | int (*connect_response)(struct ircomm_cb *, struct sk_buff *); | |
50 | int (*disconnect_request)(struct ircomm_cb *, struct sk_buff *, | |
51 | struct ircomm_info *); | |
52 | } call_t; | |
53 | ||
54 | struct ircomm_cb { | |
55 | irda_queue_t queue; | |
56 | magic_t magic; | |
57 | ||
58 | notify_t notify; | |
59 | call_t issue; | |
60 | ||
61 | int state; | |
62 | int line; /* Which TTY line we are using */ | |
63 | ||
64 | struct tsap_cb *tsap; | |
65 | struct lsap_cb *lsap; | |
66 | ||
67 | __u8 dlsap_sel; /* Destination LSAP/TSAP selector */ | |
68 | __u8 slsap_sel; /* Source LSAP/TSAP selector */ | |
69 | ||
70 | __u32 saddr; /* Source device address (link we are using) */ | |
71 | __u32 daddr; /* Destination device address */ | |
72 | ||
73 | int max_header_size; /* Header space we must reserve for each frame */ | |
74 | int max_data_size; /* The amount of data we can fill in each frame */ | |
75 | ||
76 | LOCAL_FLOW flow_status; /* Used by ircomm_lmp */ | |
77 | int pkt_count; /* Number of frames we have sent to IrLAP */ | |
78 | ||
79 | __u8 service_type; | |
80 | }; | |
81 | ||
82 | extern hashbin_t *ircomm; | |
83 | ||
84 | struct ircomm_cb *ircomm_open(notify_t *notify, __u8 service_type, int line); | |
85 | int ircomm_close(struct ircomm_cb *self); | |
86 | ||
87 | int ircomm_data_request(struct ircomm_cb *self, struct sk_buff *skb); | |
88 | void ircomm_data_indication(struct ircomm_cb *self, struct sk_buff *skb); | |
89 | void ircomm_process_data(struct ircomm_cb *self, struct sk_buff *skb); | |
90 | int ircomm_control_request(struct ircomm_cb *self, struct sk_buff *skb); | |
91 | int ircomm_connect_request(struct ircomm_cb *self, __u8 dlsap_sel, | |
92 | __u32 saddr, __u32 daddr, struct sk_buff *skb, | |
93 | __u8 service_type); | |
94 | void ircomm_connect_indication(struct ircomm_cb *self, struct sk_buff *skb, | |
95 | struct ircomm_info *info); | |
96 | void ircomm_connect_confirm(struct ircomm_cb *self, struct sk_buff *skb, | |
97 | struct ircomm_info *info); | |
98 | int ircomm_connect_response(struct ircomm_cb *self, struct sk_buff *userdata); | |
99 | int ircomm_disconnect_request(struct ircomm_cb *self, struct sk_buff *userdata); | |
100 | void ircomm_disconnect_indication(struct ircomm_cb *self, struct sk_buff *skb, | |
101 | struct ircomm_info *info); | |
102 | void ircomm_flow_request(struct ircomm_cb *self, LOCAL_FLOW flow); | |
103 | ||
104 | #define ircomm_is_connected(self) (self->state == IRCOMM_CONN) | |
105 | ||
106 | #endif |