Release 4.7 include/net/irda/irlan_common.h
/*********************************************************************
*
* Filename: irlan_common.h
* Version: 0.8
* Description: IrDA LAN access layer
* Status: Experimental.
* Author: Dag Brattli <dagb@cs.uit.no>
* Created at: Sun Aug 31 20:14:37 1997
* Modified at: Sun Oct 31 19:41:24 1999
* Modified by: Dag Brattli <dagb@cs.uit.no>
*
* Copyright (c) 1998-1999 Dag Brattli <dagb@cs.uit.no>,
* 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.
*
* Neither Dag Brattli nor University of Tromsø admit liability nor
* provide warranty for any of this software. This material is
* provided "AS-IS" and at no charge.
*
********************************************************************/
#ifndef IRLAN_H
#define IRLAN_H
#include <asm/param.h> /* for HZ */
#include <linux/kernel.h>
#include <linux/types.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
#include <linux/if_ether.h>
#include <net/irda/irttp.h>
#define IRLAN_MTU 1518
#define IRLAN_TIMEOUT 10*HZ
/* 10 seconds */
/* Command packet types */
#define CMD_GET_PROVIDER_INFO 0
#define CMD_GET_MEDIA_CHAR 1
#define CMD_OPEN_DATA_CHANNEL 2
#define CMD_CLOSE_DATA_CHAN 3
#define CMD_RECONNECT_DATA_CHAN 4
#define CMD_FILTER_OPERATION 5
/* Some responses */
#define RSP_SUCCESS 0
#define RSP_INSUFFICIENT_RESOURCES 1
#define RSP_INVALID_COMMAND_FORMAT 2
#define RSP_COMMAND_NOT_SUPPORTED 3
#define RSP_PARAM_NOT_SUPPORTED 4
#define RSP_VALUE_NOT_SUPPORTED 5
#define RSP_NOT_OPEN 6
#define RSP_AUTHENTICATION_REQUIRED 7
#define RSP_INVALID_PASSWORD 8
#define RSP_PROTOCOL_ERROR 9
#define RSP_ASYNCHRONOUS_ERROR 255
/* Media types */
#define MEDIA_802_3 1
#define MEDIA_802_5 2
/* Filter parameters */
#define DATA_CHAN 1
#define FILTER_TYPE 2
#define FILTER_MODE 3
/* Filter types */
#define IRLAN_DIRECTED 0x01
#define IRLAN_FUNCTIONAL 0x02
#define IRLAN_GROUP 0x04
#define IRLAN_MAC_FRAME 0x08
#define IRLAN_MULTICAST 0x10
#define IRLAN_BROADCAST 0x20
#define IRLAN_IPX_SOCKET 0x40
/* Filter modes */
#define ALL 1
#define FILTER 2
#define NONE 3
/* Filter operations */
#define GET 1
#define CLEAR 2
#define ADD 3
#define REMOVE 4
#define DYNAMIC 5
/* Access types */
#define ACCESS_DIRECT 1
#define ACCESS_PEER 2
#define ACCESS_HOSTED 3
#define IRLAN_BYTE 0
#define IRLAN_SHORT 1
#define IRLAN_ARRAY 2
/* IrLAN sits on top if IrTTP */
#define IRLAN_MAX_HEADER (TTP_HEADER+LMP_HEADER)
/* 1 byte for the command code and 1 byte for the parameter count */
#define IRLAN_CMD_HEADER 2
#define IRLAN_STRING_PARAMETER_LEN(name, value) (1 + strlen((name)) + 2 \
+ strlen ((value)))
#define IRLAN_BYTE_PARAMETER_LEN(name) (1 + strlen((name)) + 2 + 1)
#define IRLAN_SHORT_PARAMETER_LEN(name) (1 + strlen((name)) + 2 + 2)
/*
* IrLAN client
*/
struct irlan_client_cb {
int state;
int open_retries;
struct tsap_cb *tsap_ctrl;
__u32 max_sdu_size;
__u8 max_header_size;
int access_type; /* Access type of provider */
__u8 reconnect_key[255];
__u8 key_len;
__u16 recv_arb_val;
__u16 max_frame;
int filter_type;
int unicast_open;
int broadcast_open;
int tx_busy;
struct sk_buff_head txq; /* Transmit control queue */
struct iriap_cb *iriap;
struct timer_list kick_timer;
};
/*
* IrLAN provider
*/
struct irlan_provider_cb {
int state;
struct tsap_cb *tsap_ctrl;
__u32 max_sdu_size;
__u8 max_header_size;
/*
* Store some values here which are used by the provider to parse
* the filter operations
*/
int data_chan;
int filter_type;
int filter_mode;
int filter_operation;
int filter_entry;
int access_type; /* Access type */
__u16 send_arb_val;
__u8 mac_address[ETH_ALEN]; /* Generated MAC address for peer device */
};
/*
* IrLAN control block
*/
struct irlan_cb {
int magic;
struct list_head dev_list;
struct net_device *dev; /* Ethernet device structure*/
__u32 saddr; /* Source device address */
__u32 daddr; /* Destination device address */
int disconnect_reason; /* Why we got disconnected */
int media; /* Media type */
__u8 version[2]; /* IrLAN version */
struct tsap_cb *tsap_data; /* Data TSAP */
int use_udata; /* Use Unit Data transfers */
__u8 stsap_sel_data; /* Source data TSAP selector */
__u8 dtsap_sel_data; /* Destination data TSAP selector */
__u8 dtsap_sel_ctrl; /* Destination ctrl TSAP selector */
struct irlan_client_cb client; /* Client specific fields */
struct irlan_provider_cb provider; /* Provider specific fields */
__u32 max_sdu_size;
__u8 max_header_size;
wait_queue_head_t open_wait;
struct timer_list watchdog_timer;
};
void irlan_close(struct irlan_cb *self);
void irlan_close_tsaps(struct irlan_cb *self);
int irlan_register_netdev(struct irlan_cb *self);
void irlan_ias_register(struct irlan_cb *self, __u8 tsap_sel);
void irlan_start_watchdog_timer(struct irlan_cb *self, int timeout);
void irlan_open_data_tsap(struct irlan_cb *self);
int irlan_run_ctrl_tx_queue(struct irlan_cb *self);
struct irlan_cb *irlan_get_any(void);
void irlan_get_provider_info(struct irlan_cb *self);
void irlan_get_media_char(struct irlan_cb *self);
void irlan_open_data_channel(struct irlan_cb *self);
void irlan_close_data_channel(struct irlan_cb *self);
void irlan_set_multicast_filter(struct irlan_cb *self, int status);
void irlan_set_broadcast_filter(struct irlan_cb *self, int status);
int irlan_insert_byte_param(struct sk_buff *skb, char *param, __u8 value);
int irlan_insert_short_param(struct sk_buff *skb, char *param, __u16 value);
int irlan_insert_string_param(struct sk_buff *skb, char *param, char *value);
int irlan_insert_array_param(struct sk_buff *skb, char *name, __u8 *value,
__u16 value_len);
int irlan_extract_param(__u8 *buf, char *name, char *value, __u16 *len);
#endif
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