http://www.ousob.com --- Legacy Redefined OuSob - File: /wwwroot/clipx/usr/include/linux/wanrouter.h

/***************************************************************************** * 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); __be16 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 */