Edit File: 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 <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*/ __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