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 41struct 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 */ 47typedef 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 56struct 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 84extern hashbin_t *ircomm; 85 86struct ircomm_cb *ircomm_open(notify_t *notify, __u8 service_type, int line); 87int ircomm_close(struct ircomm_cb *self); 88 89int ircomm_data_request(struct ircomm_cb *self, struct sk_buff *skb); 90void ircomm_data_indication(struct ircomm_cb *self, struct sk_buff *skb); 91void ircomm_process_data(struct ircomm_cb *self, struct sk_buff *skb); 92int ircomm_control_request(struct ircomm_cb *self, struct sk_buff *skb); 93int ircomm_connect_request(struct ircomm_cb *self, __u8 dlsap_sel, 94 __u32 saddr, __u32 daddr, struct sk_buff *skb, 95 __u8 service_type); 96void ircomm_connect_indication(struct ircomm_cb *self, struct sk_buff *skb, 97 struct ircomm_info *info); 98void ircomm_connect_confirm(struct ircomm_cb *self, struct sk_buff *skb, 99 struct ircomm_info *info); 100int ircomm_connect_response(struct ircomm_cb *self, struct sk_buff *userdata); 101int ircomm_disconnect_request(struct ircomm_cb *self, struct sk_buff *userdata); 102void ircomm_disconnect_indication(struct ircomm_cb *self, struct sk_buff *skb, 103 struct ircomm_info *info); 104void 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