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, see <http://www.gnu.org/licenses/>. 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 107