linux-sg2042/include/linux/wanrouter.h

130 lines
5.9 KiB
C

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