Subversion Repositories shark

/*****************************************************************************

* 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).

*****************************************************************************/

#include <linux/spinlock.h>       /* Support for SMP Locking */

#ifndef _ROUTER_H

#define _ROUTER_H

#define ROUTER_NAME     "wanrouter"     /* in case we ever change it */

#define ROUTER_VERSION  1               /* version number */

#define ROUTER_RELEASE  1               /* release (minor version) number */

#define ROUTER_IOCTL    'W'             /* for IOCTL calls */

#define ROUTER_MAGIC    0x524D4157L     /* signature: 'WANR' reversed */

/* IOCTL codes for /proc/router/<device> entries (up to 255) */

enum router_ioctls

{

        ROUTER_SETUP    = ROUTER_IOCTL<<8,      /* configure device */

        ROUTER_DOWN,                            /* shut down device */

        ROUTER_STAT,                            /* get device status */

        ROUTER_IFNEW,                           /* add interface */

        ROUTER_IFDEL,                           /* delete interface */

        ROUTER_IFSTAT,                          /* get interface status */

        ROUTER_USER     = (ROUTER_IOCTL<<8)+16, /* driver-specific calls */

        ROUTER_USER_MAX = (ROUTER_IOCTL<<8)+31

};

/* identifiers for displaying proc file data for dual port adapters */

#define PROC_DATA_PORT_0 0x8000 /* the data is for port 0 */

#define PROC_DATA_PORT_1 0x8001 /* the data is for port 1 */

/* NLPID for packet encapsulation (ISO/IEC TR 9577) */

#define NLPID_IP        0xCC    /* Internet Protocol Datagram */

#define NLPID_SNAP      0x80    /* IEEE Subnetwork Access Protocol */

#define NLPID_CLNP      0x81    /* ISO/IEC 8473 */

#define NLPID_ESIS      0x82    /* ISO/IEC 9542 */

#define NLPID_ISIS      0x83    /* ISO/IEC ISIS */

#define NLPID_Q933      0x08    /* CCITT Q.933 */

/* Miscellaneous */

#define WAN_IFNAME_SZ   15      /* max length of the interface name */

#define WAN_DRVNAME_SZ  15      /* max length of the link driver name */

#define WAN_ADDRESS_SZ  31      /* max length of the WAN media address */

#define USED_BY_FIELD   8       /* max length of the used by field */

/* Defines for UDP PACKET TYPE */

#define UDP_PTPIPE_TYPE         0x01

#define UDP_FPIPE_TYPE          0x02

#define UDP_CPIPE_TYPE          0x03

#define UDP_DRVSTATS_TYPE       0x04

#define UDP_INVALID_TYPE        0x05

/* Command return code */

#define CMD_OK          0               /* normal firmware return code */

#define CMD_TIMEOUT     0xFF            /* firmware command timed out */

/* UDP Packet Management */

#define UDP_PKT_FRM_STACK       0x00

#define UDP_PKT_FRM_NETWORK     0x01

/* Maximum interrupt test counter */

#define MAX_INTR_TEST_COUNTER   100

/* Critical Values for RACE conditions*/

#define CRITICAL_IN_ISR         0xA1

#define CRITICAL_INTR_HANDLED   0xB1

/****** Data Types **********************************************************/

/*----------------------------------------------------------------------------

 * X.25-specific link-level configuration.

 */

typedef struct wan_x25_conf

{

        unsigned lo_pvc;        /* lowest permanent circuit number */

        unsigned hi_pvc;        /* highest permanent circuit number */

        unsigned lo_svc;        /* lowest switched circuit number */

        unsigned hi_svc;        /* highest switched circuit number */

        unsigned hdlc_window;   /* HDLC window size (1..7) */

        unsigned pkt_window;    /* X.25 packet window size (1..7) */

        unsigned t1;            /* HDLC timer T1, sec (1..30) */

        unsigned t2;            /* HDLC timer T2, sec (0..29) */

        unsigned t4;            /* HDLC supervisory frame timer = T4 * T1 */

        unsigned n2;            /* HDLC retransmission limit (1..30) */

        unsigned t10_t20;       /* X.25 RESTART timeout, sec (1..255) */

        unsigned t11_t21;       /* X.25 CALL timeout, sec (1..255) */

        unsigned t12_t22;       /* X.25 RESET timeout, sec (1..255) */

        unsigned t13_t23;       /* X.25 CLEAR timeout, sec (1..255) */

        unsigned t16_t26;       /* X.25 INTERRUPT timeout, sec (1..255) */

        unsigned t28;           /* X.25 REGISTRATION timeout, sec (1..255) */

        unsigned r10_r20;       /* RESTART retransmission limit (0..250) */

        unsigned r12_r22;       /* RESET retransmission limit (0..250) */

        unsigned r13_r23;       /* CLEAR retransmission limit (0..250) */

        unsigned ccitt_compat;  /* compatibility mode: 1988/1984/1980 */

        unsigned x25_conf_opt;   /* User defined x25 config optoins */

        unsigned char LAPB_hdlc_only; /* Run in HDLC only mode */

        unsigned char logging;   /* Control connection logging */  

        unsigned char oob_on_modem; /* Whether to send modem status to the user app */

} wan_x25_conf_t;

/*----------------------------------------------------------------------------

 * Frame relay specific link-level configuration.

 */

typedef struct wan_fr_conf

{

        unsigned signalling;    /* local in-channel signalling type */

        unsigned t391;          /* link integrity verification timer */

        unsigned t392;          /* polling verification timer */

        unsigned n391;          /* full status polling cycle counter */

        unsigned n392;          /* error threshold counter */

        unsigned n393;          /* monitored events counter */

        unsigned dlci_num;      /* number of DLCs (access node) */

        unsigned  dlci[100];    /* List of all DLCIs */

} wan_fr_conf_t;

/*----------------------------------------------------------------------------

 * PPP-specific link-level configuration.

 */

typedef struct wan_ppp_conf

{

        unsigned restart_tmr;   /* restart timer */

        unsigned auth_rsrt_tmr; /* authentication timer */

        unsigned auth_wait_tmr; /* authentication timer */

        unsigned mdm_fail_tmr;  /* modem failure timer */

        unsigned dtr_drop_tmr;  /* DTR drop timer */

        unsigned connect_tmout; /* connection timeout */

        unsigned conf_retry;    /* max. retry */

        unsigned term_retry;    /* max. retry */

        unsigned fail_retry;    /* max. retry */

        unsigned auth_retry;    /* max. retry */

        unsigned auth_options;  /* authentication opt. */

        unsigned ip_options;    /* IP options */

        char    authenticator;  /* AUTHENTICATOR or not */

        char    ip_mode;        /* Static/Host/Peer */

} wan_ppp_conf_t;

/*----------------------------------------------------------------------------

 * CHDLC-specific link-level configuration.

 */

typedef struct wan_chdlc_conf

{

        unsigned char ignore_dcd;       /* Protocol options:            */

        unsigned char ignore_cts;       /*  Ignore these to determine   */

        unsigned char ignore_keepalive; /*  link status (Yes or No)     */

        unsigned char hdlc_streaming;   /*  hdlc_streaming mode (Y/N) */

        unsigned char receive_only;     /*  no transmit buffering (Y/N) */

        unsigned keepalive_tx_tmr;      /* transmit keepalive timer */

        unsigned keepalive_rx_tmr;      /* receive  keepalive timer */

        unsigned keepalive_err_margin;  /* keepalive_error_tolerance */

        unsigned slarp_timer;           /* SLARP request timer */

} wan_chdlc_conf_t;

/*----------------------------------------------------------------------------

 * WAN device configuration. Passed to ROUTER_SETUP IOCTL.

 */

typedef struct wandev_conf

{

        unsigned magic;         /* magic number (for verification) */

        unsigned config_id;     /* configuration structure identifier */

                                /****** hardware configuration ******/

        unsigned ioport;        /* adapter I/O port base */

        unsigned long maddr;    /* dual-port memory address */

        unsigned msize;         /* dual-port memory size */

        int irq;                /* interrupt request level */

        int dma;                /* DMA request level */

        char S514_CPU_no[1];    /* S514 PCI adapter CPU number ('A' or 'B') */

        unsigned PCI_slot_no;   /* S514 PCI adapter slot number */

        char auto_pci_cfg;      /* S515 PCI automatic slot detection */

        char comm_port;         /* Communication Port (PRI=0, SEC=1) */

        unsigned bps;           /* data transfer rate */

        unsigned mtu;           /* maximum transmit unit size */

        unsigned udp_port;      /* UDP port for management */

        unsigned char ttl;      /* Time To Live for UDP security */

        unsigned char ft1;      /* FT1 Configurator Option */

        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 read_mode;         /* read mode: Polling or interrupt */

        char receive_only;      /* disable tx buffers */

        char tty;               /* Create a fake tty device */

        unsigned tty_major;     /* Major number for wanpipe tty device */

        unsigned tty_minor;     /* Minor number for wanpipe tty device */

        unsigned tty_mode;      /* TTY operation mode SYNC or ASYNC */

        char backup;            /* Backup Mode */

        unsigned hw_opt[4];     /* other hardware options */

        unsigned reserved[4];

                                /****** arbitrary data ***************/

        unsigned data_size;     /* data buffer size */

        void* data;             /* data buffer, e.g. firmware */

        union                   /****** protocol-specific ************/

        {

                wan_x25_conf_t x25;     /* X.25 configuration */

                wan_ppp_conf_t ppp;     /* PPP configuration */

                wan_fr_conf_t fr;       /* frame relay configuration */

                wan_chdlc_conf_t chdlc; /* Cisco HDLC configuration */

        } u;

} wandev_conf_t;

/* 'config_id' definitions */

#define WANCONFIG_X25   101     /* X.25 link */

#define WANCONFIG_FR    102     /* frame relay link */

#define WANCONFIG_PPP   103     /* synchronous PPP link */

#define WANCONFIG_CHDLC 104     /* Cisco HDLC Link */

#define WANCONFIG_BSC   105     /* BiSync Streaming */

#define WANCONFIG_HDLC  106     /* HDLC Support */

#define WANCONFIG_MPPP  107     /* Multi Port PPP over RAW CHDLC */

/*

 * Configuration options defines.

 */

/* general options */

#define WANOPT_OFF      0

#define WANOPT_ON       1

#define WANOPT_NO       0

#define WANOPT_YES      1

/* intercace options */

#define WANOPT_RS232    0

#define WANOPT_V35      1

/* data encoding options */

#define WANOPT_NRZ      0

#define WANOPT_NRZI     1

#define WANOPT_FM0      2

#define WANOPT_FM1      3

/* link type options */

#define WANOPT_POINTTOPOINT     0       /* RTS always active */

#define WANOPT_MULTIDROP        1       /* RTS is active when transmitting */

/* clocking options */

#define WANOPT_EXTERNAL 0

#define WANOPT_INTERNAL 1

/* station options */

#define WANOPT_DTE              0

#define WANOPT_DCE              1

#define WANOPT_CPE              0

#define WANOPT_NODE             1

#define WANOPT_SECONDARY        0

#define WANOPT_PRIMARY          1

/* connection options */

#define WANOPT_PERMANENT        0       /* DTR always active */

#define WANOPT_SWITCHED         1       /* use DTR to setup link (dial-up) */

#define WANOPT_ONDEMAND         2       /* activate DTR only before sending */

/* frame relay in-channel signalling */

#define WANOPT_FR_ANSI          1       /* ANSI T1.617 Annex D */

#define WANOPT_FR_Q933          2       /* ITU Q.933A */

#define WANOPT_FR_LMI           3       /* LMI */

/* PPP IP Mode Options */

#define WANOPT_PPP_STATIC       0

#define WANOPT_PPP_HOST         1

#define WANOPT_PPP_PEER         2

/* ASY Mode Options */

#define WANOPT_ONE              1

#define WANOPT_TWO              2

#define WANOPT_ONE_AND_HALF     3

#define WANOPT_NONE     0

#define WANOPT_ODD      1

#define WANOPT_EVEN     2

/* CHDLC Protocol Options */

/* DF Commmented out for now.

#define WANOPT_CHDLC_NO_DCD             IGNORE_DCD_FOR_LINK_STAT

#define WANOPT_CHDLC_NO_CTS             IGNORE_CTS_FOR_LINK_STAT

#define WANOPT_CHDLC_NO_KEEPALIVE       IGNORE_KPALV_FOR_LINK_STAT

*/

/* Port options */

#define WANOPT_PRI 0

#define WANOPT_SEC 1

/* read mode */

#define WANOPT_INTR     0

#define WANOPT_POLL     1

#define WANOPT_TTY_SYNC  0

#define WANOPT_TTY_ASYNC 1

/*----------------------------------------------------------------------------

 * WAN Link Status Info (for ROUTER_STAT IOCTL).

 */

typedef struct wandev_stat

{

        unsigned state;         /* link state */

        unsigned ndev;          /* number of configured interfaces */

        /* link/interface configuration */

        unsigned connection;    /* permanent/switched/on-demand */

        unsigned media_type;    /* Frame relay/PPP/X.25/SDLC, etc. */

        unsigned mtu;           /* max. transmit unit for this device */

        /* physical level statistics */

        unsigned modem_status;  /* modem status */

        unsigned rx_frames;     /* received frames count */

        unsigned rx_overruns;   /* receiver overrun error count */

        unsigned rx_crc_err;    /* receive CRC error count */

        unsigned rx_aborts;     /* received aborted frames count */

        unsigned rx_bad_length; /* unexpetedly long/short frames count */

        unsigned rx_dropped;    /* frames discarded at device level */

        unsigned tx_frames;     /* transmitted frames count */

        unsigned tx_underruns;  /* aborted transmissions (underruns) count */

        unsigned tx_timeouts;   /* transmission timeouts */

        unsigned tx_rejects;    /* other transmit errors */

        /* media level statistics */

        unsigned rx_bad_format; /* frames with invalid format */

        unsigned rx_bad_addr;   /* frames with invalid media address */

        unsigned tx_retries;    /* frames re-transmitted */

        unsigned reserved[16];  /* reserved for future use */

} wandev_stat_t;

/* 'state' defines */

enum wan_states

{

        WAN_UNCONFIGURED,       /* link/channel is not configured */

        WAN_DISCONNECTED,       /* link/channel is disconnected */

        WAN_CONNECTING,         /* connection is in progress */

        WAN_CONNECTED,          /* link/channel is operational */

        WAN_LIMIT,              /* for verification only */

        WAN_DUALPORT,           /* for Dual Port cards */

        WAN_DISCONNECTING,

        WAN_FT1_READY           /* FT1 Configurator Ready */

};

enum {

        WAN_LOCAL_IP,

        WAN_POINTOPOINT_IP,

        WAN_NETMASK_IP,

        WAN_BROADCAST_IP

};

/* 'modem_status' masks */

#define WAN_MODEM_CTS   0x0001  /* CTS line active */

#define WAN_MODEM_DCD   0x0002  /* DCD line active */

#define WAN_MODEM_DTR   0x0010  /* DTR line active */

#define WAN_MODEM_RTS   0x0020  /* RTS line active */

/*----------------------------------------------------------------------------

 * WAN interface (logical channel) configuration (for ROUTER_IFNEW IOCTL).

 */

typedef struct wanif_conf

{

        unsigned magic;                 /* magic number */

        unsigned config_id;             /* configuration identifier */

        char name[WAN_IFNAME_SZ+1];     /* interface name, ASCIIZ */

        char addr[WAN_ADDRESS_SZ+1];    /* media address, ASCIIZ */

        char usedby[USED_BY_FIELD];     /* used by API or WANPIPE */

        unsigned idle_timeout;          /* sec, before disconnecting */

        unsigned hold_timeout;          /* sec, before re-connecting */

        unsigned cir;                   /* Committed Information Rate fwd,bwd*/

        unsigned bc;                    /* Committed Burst Size fwd, bwd */

        unsigned be;                    /* Excess Burst Size fwd, bwd */

        unsigned char enable_IPX;       /* Enable or Disable IPX */

        unsigned char inarp;            /* Send Inverse ARP requests Y/N */

        unsigned inarp_interval;        /* sec, between InARP requests */

        unsigned long network_number;   /* Network Number for IPX */

        char mc;                        /* Multicast on or off */

        char local_addr[WAN_ADDRESS_SZ+1];/* local media address, ASCIIZ */

        unsigned char port;             /* board port */

        unsigned char protocol;         /* prococol used in this channel (TCPOX25 or X25) */

        char pap;                       /* PAP enabled or disabled */

        char chap;                      /* CHAP enabled or disabled */

        unsigned char userid[511];      /* List of User Id */

        unsigned char passwd[511];      /* List of passwords */

        unsigned char sysname[31];      /* Name of the system */

        unsigned char ignore_dcd;       /* Protocol options: */

        unsigned char ignore_cts;       /*  Ignore these to determine */

        unsigned char ignore_keepalive; /*  link status (Yes or No) */

        unsigned char hdlc_streaming;   /*  Hdlc streaming mode (Y/N) */

        unsigned keepalive_tx_tmr;      /* transmit keepalive timer */

        unsigned keepalive_rx_tmr;      /* receive  keepalive timer */

        unsigned keepalive_err_margin;  /* keepalive_error_tolerance */

        unsigned slarp_timer;           /* SLARP request timer */

        unsigned char ttl;              /* Time To Live for UDP security */

        char interface;                 /* RS-232/V.35, etc. */

        char clocking;                  /* external/internal */

        unsigned bps;                   /* data transfer rate */

        unsigned mtu;                   /* maximum transmit unit size */

        unsigned char if_down;          /* brind down interface when disconnected */

        unsigned char gateway;          /* Is this interface a gateway */

        unsigned char true_if_encoding; /* Set the dev->type to true board protocol */

        unsigned char asy_data_trans;     /* async API options */

        unsigned char rts_hs_for_receive; /* async Protocol options */

        unsigned char xon_xoff_hs_for_receive;

        unsigned char xon_xoff_hs_for_transmit;

        unsigned char dcd_hs_for_transmit;

        unsigned char cts_hs_for_transmit;

        unsigned char async_mode;

        unsigned tx_bits_per_char;

        unsigned rx_bits_per_char;

        unsigned stop_bits;  

        unsigned char parity;

        unsigned break_timer;

        unsigned inter_char_timer;

        unsigned rx_complete_length;

        unsigned xon_char;

        unsigned xoff_char;

        unsigned char receive_only;     /*  no transmit buffering (Y/N) */

} wanif_conf_t;

#ifdef  __KERNEL__

/****** 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 */

/*----------------------------------------------------------------------------

 * 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);

unsigned short wanrouter_type_trans(struct sk_buff *skb,

                                    struct net_device *dev);

int wanrouter_encapsulate(struct sk_buff *skb, struct net_device *dev,

                          unsigned short type);

/* 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 int wanrouter_ioctl( struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);

extern void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);

extern void unlock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);

/* Public Data */

/* list of registered devices */

extern struct wan_device *wanrouter_router_devlist;

#endif  /* __KERNEL__ */

#endif  /* _ROUTER_H */