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Diffstat (limited to 'include/net/irda/irlan_common.h')
| -rw-r--r-- | include/net/irda/irlan_common.h | 222 |
1 files changed, 222 insertions, 0 deletions
diff --git a/include/net/irda/irlan_common.h b/include/net/irda/irlan_common.h new file mode 100644 index 0000000..1c73bdb --- /dev/null +++ b/include/net/irda/irlan_common.h @@ -0,0 +1,222 @@ +/********************************************************************* + * + * 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 Tromsų 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 + +#define IRLAN_MAX_HEADER (TTP_HEADER+LMP_HEADER+LAP_MAX_HEADER) + +/* + * 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 + + |
