include/linux/wanrouter.h

   1 /*****************************************************************************
   2 * wanrouter.h   Definitions for the WAN Multiprotocol Router Module.
   3 *               This module provides API and common services for WAN Link
   4 *               Drivers and is completely hardware-independent.
   5 *
   6 * Author:       Nenad Corbic <ncorbic@sangoma.com>
   7 *               Gideon Hack
   8 * Additions:    Arnaldo Melo
   9 *
  10 * Copyright:    (c) 1995-2000 Sangoma Technologies Inc.
  11 *
  12 *               This program is free software; you can redistribute it and/or
  13 *               modify it under the terms of the GNU General Public License
  14 *               as published by the Free Software Foundation; either version
  15 *               2 of the License, or (at your option) any later version.
  16 * ============================================================================
  17 * Jul 21, 2000  Nenad Corbic    Added WAN_FT1_READY State
  18 * Feb 24, 2000  Nenad Corbic    Added support for socket based x25api
  19 * Jan 28, 2000  Nenad Corbic    Added support for the ASYNC protocol.
  20 * Oct 04, 1999  Nenad Corbic    Updated for 2.1.0 release
  21 * Jun 02, 1999  Gideon Hack     Added support for the S514 adapter.
  22 * May 23, 1999  Arnaldo Melo    Added local_addr to wanif_conf_t
  23 *                               WAN_DISCONNECTING state added
  24 * Jul 20, 1998  David Fong      Added Inverse ARP options to 'wanif_conf_t'
  25 * Jun 12, 1998  David Fong      Added Cisco HDLC support.
  26 * Dec 16, 1997  Jaspreet Singh  Moved 'enable_IPX' and 'network_number' to
  27 *                               'wanif_conf_t'
  28 * Dec 05, 1997  Jaspreet Singh  Added 'pap', 'chap' to 'wanif_conf_t'
  29 *                               Added 'authenticator' to 'wan_ppp_conf_t'
  30 * Nov 06, 1997  Jaspreet Singh  Changed Router Driver version to 1.1 from 1.0
  31 * Oct 20, 1997  Jaspreet Singh  Added 'cir','bc','be' and 'mc' to 'wanif_conf_t'
  32 *                               Added 'enable_IPX' and 'network_number' to
  33 *                               'wan_device_t'.  Also added defines for
  34 *                               UDP PACKET TYPE, Interrupt test, critical values
  35 *                               for RACE conditions.
  36 * Oct 05, 1997  Jaspreet Singh  Added 'dlci_num' and 'dlci[100]' to
  37 *                               'wan_fr_conf_t' to configure a list of dlci(s)
  38 *                               for a NODE
  39 * Jul 07, 1997  Jaspreet Singh  Added 'ttl' to 'wandev_conf_t' & 'wan_device_t'
  40 * May 29, 1997  Jaspreet Singh  Added 'tx_int_enabled' to 'wan_device_t'
  41 * May 21, 1997  Jaspreet Singh  Added 'udp_port' to 'wan_device_t'
  42 * Apr 25, 1997  Farhan Thawar   Added 'udp_port' to 'wandev_conf_t'
  43 * Jan 16, 1997  Gene Kozin      router_devlist made public
  44 * Jan 02, 1997  Gene Kozin      Initial version (based on wanpipe.h).
  45 *****************************************************************************/
  46 #ifndef _ROUTER_H
  47 #define _ROUTER_H
  48
  49 #include <uapi/linux/wanrouter.h>
  50
  51 /****** Kernel Interface ****************************************************/
  52
  53 #include <linux/fs.h>           /* support for device drivers */
  54 #include <linux/proc_fs.h>      /* proc filesystem pragmatics */
  55 #include <linux/netdevice.h>    /* support for network drivers */
  56 #include <linux/spinlock.h>     /* Support for SMP Locking */
  57
  58 /*----------------------------------------------------------------------------
  59  * WAN device data space.
  60  */
  61 struct wan_device {
  62         unsigned magic;                 /* magic number */
  63         char* name;                     /* -> WAN device name (ASCIIZ) */
  64         void* private;                  /* -> driver private data */
  65         unsigned config_id;             /* Configuration ID */
  66                                         /****** hardware configuration ******/
  67         unsigned ioport;                /* adapter I/O port base #1 */
  68         char S514_cpu_no[1];            /* PCI CPU Number */
  69         unsigned char S514_slot_no;     /* PCI Slot Number */
  70         unsigned long maddr;            /* dual-port memory address */
  71         unsigned msize;                 /* dual-port memory size */
  72         int irq;                        /* interrupt request level */
  73         int dma;                        /* DMA request level */
  74         unsigned bps;                   /* data transfer rate */
  75         unsigned mtu;                   /* max physical transmit unit size */
  76         unsigned udp_port;              /* UDP port for management */
  77         unsigned char ttl;              /* Time To Live for UDP security */
  78         unsigned enable_tx_int;         /* Transmit Interrupt enabled or not */
  79         char interface;                 /* RS-232/V.35, etc. */
  80         char clocking;                  /* external/internal */
  81         char line_coding;               /* NRZ/NRZI/FM0/FM1, etc. */
  82         char station;                   /* DTE/DCE, primary/secondary, etc. */
  83         char connection;                /* permanent/switched/on-demand */
  84         char signalling;                /* Signalling RS232 or V35 */
  85         char read_mode;                 /* read mode: Polling or interrupt */
  86         char new_if_cnt;                /* Number of interfaces per wanpipe */
  87         char del_if_cnt;                /* Number of times del_if() gets called */
  88         unsigned char piggyback;        /* Piggibacking a port */
  89         unsigned hw_opt[4];             /* other hardware options */
  90                                         /****** status and statistics *******/
  91         char state;                     /* device state */
  92         char api_status;                /* device api status */
  93         struct net_device_stats stats;  /* interface statistics */
  94         unsigned reserved[16];          /* reserved for future use */
  95         unsigned long critical;         /* critical section flag */
  96         spinlock_t lock;                /* Support for SMP Locking */
  97
  98                                         /****** device management methods ***/
  99         int (*setup) (struct wan_device *wandev, wandev_conf_t *conf);
 100         int (*shutdown) (struct wan_device *wandev);
 101         int (*update) (struct wan_device *wandev);
 102         int (*ioctl) (struct wan_device *wandev, unsigned cmd,
 103                 unsigned long arg);
 104         int (*new_if)(struct wan_device *wandev, struct net_device *dev,
 105                       wanif_conf_t *conf);
 106         int (*del_if)(struct wan_device *wandev, struct net_device *dev);
 107                                         /****** maintained by the router ****/
 108         struct wan_device* next;        /* -> next device */
 109         struct net_device* dev;         /* list of network interfaces */
 110         unsigned ndev;                  /* number of interfaces */
 111         struct proc_dir_entry *dent;    /* proc filesystem entry */
 112 };
 113
 114 /* Public functions available for device drivers */
 115 extern int register_wan_device(struct wan_device *wandev);
 116 extern int unregister_wan_device(char *name);
 117
 118 /* Proc interface functions. These must not be called by the drivers! */
 119 extern int wanrouter_proc_init(void);
 120 extern void wanrouter_proc_cleanup(void);
 121 extern int wanrouter_proc_add(struct wan_device *wandev);
 122 extern int wanrouter_proc_delete(struct wan_device *wandev);
 123 extern long wanrouter_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
 124
 125 /* Public Data */
 126 /* list of registered devices */
 127 extern struct wan_device *wanrouter_router_devlist;
 128
 129 #endif  /* _ROUTER_H */