LXR linux/include/net/irda/ircomm

   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