109 строки
3.9 KiB
C
109 строки
3.9 KiB
C
/*********************************************************************
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*
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* Filename: ircomm_core.h
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* Version:
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* Description:
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* Status: Experimental.
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* Author: Dag Brattli <dagb@cs.uit.no>
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* Created at: Wed Jun 9 08:58:43 1999
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* Modified at: Mon Dec 13 11:52:29 1999
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* Modified by: Dag Brattli <dagb@cs.uit.no>
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*
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* Copyright (c) 1999 Dag Brattli, All Rights Reserved.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*
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********************************************************************/
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#ifndef IRCOMM_CORE_H
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#define IRCOMM_CORE_H
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#include <net/irda/irda.h>
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#include <net/irda/irqueue.h>
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#include <net/irda/ircomm_event.h>
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#define IRCOMM_MAGIC 0x98347298
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#define IRCOMM_HEADER_SIZE 1
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struct ircomm_cb; /* Forward decl. */
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/*
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* A small call-table, so we don't have to check the service-type whenever
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* we want to do something
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*/
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typedef struct {
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int (*data_request)(struct ircomm_cb *, struct sk_buff *, int clen);
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int (*connect_request)(struct ircomm_cb *, struct sk_buff *,
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struct ircomm_info *);
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int (*connect_response)(struct ircomm_cb *, struct sk_buff *);
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int (*disconnect_request)(struct ircomm_cb *, struct sk_buff *,
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struct ircomm_info *);
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} call_t;
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struct ircomm_cb {
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irda_queue_t queue;
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magic_t magic;
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notify_t notify;
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call_t issue;
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int state;
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int line; /* Which TTY line we are using */
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struct tsap_cb *tsap;
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struct lsap_cb *lsap;
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__u8 dlsap_sel; /* Destination LSAP/TSAP selector */
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__u8 slsap_sel; /* Source LSAP/TSAP selector */
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__u32 saddr; /* Source device address (link we are using) */
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__u32 daddr; /* Destination device address */
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int max_header_size; /* Header space we must reserve for each frame */
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int max_data_size; /* The amount of data we can fill in each frame */
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LOCAL_FLOW flow_status; /* Used by ircomm_lmp */
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int pkt_count; /* Number of frames we have sent to IrLAP */
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__u8 service_type;
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};
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extern hashbin_t *ircomm;
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struct ircomm_cb *ircomm_open(notify_t *notify, __u8 service_type, int line);
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int ircomm_close(struct ircomm_cb *self);
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int ircomm_data_request(struct ircomm_cb *self, struct sk_buff *skb);
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void ircomm_data_indication(struct ircomm_cb *self, struct sk_buff *skb);
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void ircomm_process_data(struct ircomm_cb *self, struct sk_buff *skb);
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int ircomm_control_request(struct ircomm_cb *self, struct sk_buff *skb);
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int ircomm_connect_request(struct ircomm_cb *self, __u8 dlsap_sel,
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__u32 saddr, __u32 daddr, struct sk_buff *skb,
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__u8 service_type);
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void ircomm_connect_indication(struct ircomm_cb *self, struct sk_buff *skb,
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struct ircomm_info *info);
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void ircomm_connect_confirm(struct ircomm_cb *self, struct sk_buff *skb,
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struct ircomm_info *info);
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int ircomm_connect_response(struct ircomm_cb *self, struct sk_buff *userdata);
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int ircomm_disconnect_request(struct ircomm_cb *self, struct sk_buff *userdata);
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void ircomm_disconnect_indication(struct ircomm_cb *self, struct sk_buff *skb,
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struct ircomm_info *info);
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void ircomm_flow_request(struct ircomm_cb *self, LOCAL_FLOW flow);
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#define ircomm_is_connected(self) (self->state == IRCOMM_CONN)
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#endif
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