1b0fee7d68
This patch replaces the bunch of arbitrary 64 and 128 bytes alloc_skb() calls with more accurate allocation sizes. Signed-off-by: Samuel Ortiz <samuel@sortiz.org> Signed-off-by: David S. Miller <davem@davemloft.net>
231 lines
6.2 KiB
C
231 lines
6.2 KiB
C
/*********************************************************************
|
|
*
|
|
* 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 <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[6]; /* 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*/
|
|
struct net_device_stats stats;
|
|
|
|
__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
|
|
|
|
|