Current File : //lib/modules/3.10.0-957.21.3.el7.centos.plus.x86_64/source/include/net/irda/ircomm_core.h
/*********************************************************************
*
* Filename: ircomm_core.h
* Version:
* Description:
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Wed Jun 9 08:58:43 1999
* Modified at: Mon Dec 13 11:52:29 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1999 Dag Brattli, All Rights Reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License as
* published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <http://www.gnu.org/licenses/>.
*
********************************************************************/
#ifndef IRCOMM_CORE_H
#define IRCOMM_CORE_H
#include <net/irda/irda.h>
#include <net/irda/irqueue.h>
#include <net/irda/ircomm_event.h>
#define IRCOMM_MAGIC 0x98347298
#define IRCOMM_HEADER_SIZE 1
struct ircomm_cb; /* Forward decl. */
/*
* A small call-table, so we don't have to check the service-type whenever
* we want to do something
*/
typedef struct {
int (*data_request)(struct ircomm_cb *, struct sk_buff *, int clen);
int (*connect_request)(struct ircomm_cb *, struct sk_buff *,
struct ircomm_info *);
int (*connect_response)(struct ircomm_cb *, struct sk_buff *);
int (*disconnect_request)(struct ircomm_cb *, struct sk_buff *,
struct ircomm_info *);
} call_t;
struct ircomm_cb {
irda_queue_t queue;
magic_t magic;
notify_t notify;
call_t issue;
int state;
int line; /* Which TTY line we are using */
struct tsap_cb *tsap;
struct lsap_cb *lsap;
__u8 dlsap_sel; /* Destination LSAP/TSAP selector */
__u8 slsap_sel; /* Source LSAP/TSAP selector */
__u32 saddr; /* Source device address (link we are using) */
__u32 daddr; /* Destination device address */
int max_header_size; /* Header space we must reserve for each frame */
int max_data_size; /* The amount of data we can fill in each frame */
LOCAL_FLOW flow_status; /* Used by ircomm_lmp */
int pkt_count; /* Number of frames we have sent to IrLAP */
__u8 service_type;
};
extern hashbin_t *ircomm;
struct ircomm_cb *ircomm_open(notify_t *notify, __u8 service_type, int line);
int ircomm_close(struct ircomm_cb *self);
int ircomm_data_request(struct ircomm_cb *self, struct sk_buff *skb);
void ircomm_data_indication(struct ircomm_cb *self, struct sk_buff *skb);
void ircomm_process_data(struct ircomm_cb *self, struct sk_buff *skb);
int ircomm_control_request(struct ircomm_cb *self, struct sk_buff *skb);
int ircomm_connect_request(struct ircomm_cb *self, __u8 dlsap_sel,
__u32 saddr, __u32 daddr, struct sk_buff *skb,
__u8 service_type);
void ircomm_connect_indication(struct ircomm_cb *self, struct sk_buff *skb,
struct ircomm_info *info);
void ircomm_connect_confirm(struct ircomm_cb *self, struct sk_buff *skb,
struct ircomm_info *info);
int ircomm_connect_response(struct ircomm_cb *self, struct sk_buff *userdata);
int ircomm_disconnect_request(struct ircomm_cb *self, struct sk_buff *userdata);
void ircomm_disconnect_indication(struct ircomm_cb *self, struct sk_buff *skb,
struct ircomm_info *info);
void ircomm_flow_request(struct ircomm_cb *self, LOCAL_FLOW flow);
#define ircomm_is_connected(self) (self->state == IRCOMM_CONN)
#endif
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