130 lines
5.9 KiB
C
130 lines
5.9 KiB
C
/*****************************************************************************
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* wanrouter.h Definitions for the WAN Multiprotocol Router Module.
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* This module provides API and common services for WAN Link
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* Drivers and is completely hardware-independent.
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*
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* Author: Nenad Corbic <ncorbic@sangoma.com>
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* Gideon Hack
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* Additions: Arnaldo Melo
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*
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* Copyright: (c) 1995-2000 Sangoma Technologies Inc.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version
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* 2 of the License, or (at your option) any later version.
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* ============================================================================
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* Jul 21, 2000 Nenad Corbic Added WAN_FT1_READY State
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* Feb 24, 2000 Nenad Corbic Added support for socket based x25api
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* Jan 28, 2000 Nenad Corbic Added support for the ASYNC protocol.
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* Oct 04, 1999 Nenad Corbic Updated for 2.1.0 release
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* Jun 02, 1999 Gideon Hack Added support for the S514 adapter.
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* May 23, 1999 Arnaldo Melo Added local_addr to wanif_conf_t
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* WAN_DISCONNECTING state added
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* Jul 20, 1998 David Fong Added Inverse ARP options to 'wanif_conf_t'
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* Jun 12, 1998 David Fong Added Cisco HDLC support.
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* Dec 16, 1997 Jaspreet Singh Moved 'enable_IPX' and 'network_number' to
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* 'wanif_conf_t'
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* Dec 05, 1997 Jaspreet Singh Added 'pap', 'chap' to 'wanif_conf_t'
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* Added 'authenticator' to 'wan_ppp_conf_t'
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* Nov 06, 1997 Jaspreet Singh Changed Router Driver version to 1.1 from 1.0
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* Oct 20, 1997 Jaspreet Singh Added 'cir','bc','be' and 'mc' to 'wanif_conf_t'
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* Added 'enable_IPX' and 'network_number' to
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* 'wan_device_t'. Also added defines for
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* UDP PACKET TYPE, Interrupt test, critical values
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* for RACE conditions.
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* Oct 05, 1997 Jaspreet Singh Added 'dlci_num' and 'dlci[100]' to
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* 'wan_fr_conf_t' to configure a list of dlci(s)
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* for a NODE
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* Jul 07, 1997 Jaspreet Singh Added 'ttl' to 'wandev_conf_t' & 'wan_device_t'
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* May 29, 1997 Jaspreet Singh Added 'tx_int_enabled' to 'wan_device_t'
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* May 21, 1997 Jaspreet Singh Added 'udp_port' to 'wan_device_t'
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* Apr 25, 1997 Farhan Thawar Added 'udp_port' to 'wandev_conf_t'
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* Jan 16, 1997 Gene Kozin router_devlist made public
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* Jan 02, 1997 Gene Kozin Initial version (based on wanpipe.h).
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*****************************************************************************/
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#ifndef _ROUTER_H
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#define _ROUTER_H
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#include <uapi/linux/wanrouter.h>
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/****** Kernel Interface ****************************************************/
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#include <linux/fs.h> /* support for device drivers */
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#include <linux/proc_fs.h> /* proc filesystem pragmatics */
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#include <linux/netdevice.h> /* support for network drivers */
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#include <linux/spinlock.h> /* Support for SMP Locking */
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/*----------------------------------------------------------------------------
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* WAN device data space.
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*/
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struct wan_device {
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unsigned magic; /* magic number */
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char* name; /* -> WAN device name (ASCIIZ) */
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void* private; /* -> driver private data */
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unsigned config_id; /* Configuration ID */
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/****** hardware configuration ******/
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unsigned ioport; /* adapter I/O port base #1 */
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char S514_cpu_no[1]; /* PCI CPU Number */
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unsigned char S514_slot_no; /* PCI Slot Number */
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unsigned long maddr; /* dual-port memory address */
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unsigned msize; /* dual-port memory size */
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int irq; /* interrupt request level */
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int dma; /* DMA request level */
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unsigned bps; /* data transfer rate */
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unsigned mtu; /* max physical transmit unit size */
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unsigned udp_port; /* UDP port for management */
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unsigned char ttl; /* Time To Live for UDP security */
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unsigned enable_tx_int; /* Transmit Interrupt enabled or not */
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char interface; /* RS-232/V.35, etc. */
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char clocking; /* external/internal */
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char line_coding; /* NRZ/NRZI/FM0/FM1, etc. */
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char station; /* DTE/DCE, primary/secondary, etc. */
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char connection; /* permanent/switched/on-demand */
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char signalling; /* Signalling RS232 or V35 */
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char read_mode; /* read mode: Polling or interrupt */
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char new_if_cnt; /* Number of interfaces per wanpipe */
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char del_if_cnt; /* Number of times del_if() gets called */
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unsigned char piggyback; /* Piggibacking a port */
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unsigned hw_opt[4]; /* other hardware options */
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/****** status and statistics *******/
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char state; /* device state */
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char api_status; /* device api status */
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struct net_device_stats stats; /* interface statistics */
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unsigned reserved[16]; /* reserved for future use */
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unsigned long critical; /* critical section flag */
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spinlock_t lock; /* Support for SMP Locking */
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/****** device management methods ***/
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int (*setup) (struct wan_device *wandev, wandev_conf_t *conf);
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int (*shutdown) (struct wan_device *wandev);
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int (*update) (struct wan_device *wandev);
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int (*ioctl) (struct wan_device *wandev, unsigned cmd,
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unsigned long arg);
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int (*new_if)(struct wan_device *wandev, struct net_device *dev,
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wanif_conf_t *conf);
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int (*del_if)(struct wan_device *wandev, struct net_device *dev);
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/****** maintained by the router ****/
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struct wan_device* next; /* -> next device */
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struct net_device* dev; /* list of network interfaces */
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unsigned ndev; /* number of interfaces */
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struct proc_dir_entry *dent; /* proc filesystem entry */
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};
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/* Public functions available for device drivers */
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extern int register_wan_device(struct wan_device *wandev);
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extern int unregister_wan_device(char *name);
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/* Proc interface functions. These must not be called by the drivers! */
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extern int wanrouter_proc_init(void);
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extern void wanrouter_proc_cleanup(void);
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extern int wanrouter_proc_add(struct wan_device *wandev);
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extern int wanrouter_proc_delete(struct wan_device *wandev);
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extern long wanrouter_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
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/* Public Data */
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/* list of registered devices */
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extern struct wan_device *wanrouter_router_devlist;
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#endif /* _ROUTER_H */
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