2005-04-16 22:20:36 +00:00
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/*****************************************************************************
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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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#define ROUTER_NAME "wanrouter" /* in case we ever change it */
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#define ROUTER_VERSION 1 /* version number */
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#define ROUTER_RELEASE 1 /* release (minor version) number */
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#define ROUTER_IOCTL 'W' /* for IOCTL calls */
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#define ROUTER_MAGIC 0x524D4157L /* signature: 'WANR' reversed */
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/* IOCTL codes for /proc/router/<device> entries (up to 255) */
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enum router_ioctls
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{
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ROUTER_SETUP = ROUTER_IOCTL<<8, /* configure device */
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ROUTER_DOWN, /* shut down device */
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ROUTER_STAT, /* get device status */
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ROUTER_IFNEW, /* add interface */
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ROUTER_IFDEL, /* delete interface */
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ROUTER_IFSTAT, /* get interface status */
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ROUTER_USER = (ROUTER_IOCTL<<8)+16, /* driver-specific calls */
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ROUTER_USER_MAX = (ROUTER_IOCTL<<8)+31
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};
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/* identifiers for displaying proc file data for dual port adapters */
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#define PROC_DATA_PORT_0 0x8000 /* the data is for port 0 */
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#define PROC_DATA_PORT_1 0x8001 /* the data is for port 1 */
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/* NLPID for packet encapsulation (ISO/IEC TR 9577) */
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#define NLPID_IP 0xCC /* Internet Protocol Datagram */
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#define NLPID_SNAP 0x80 /* IEEE Subnetwork Access Protocol */
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#define NLPID_CLNP 0x81 /* ISO/IEC 8473 */
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#define NLPID_ESIS 0x82 /* ISO/IEC 9542 */
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#define NLPID_ISIS 0x83 /* ISO/IEC ISIS */
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#define NLPID_Q933 0x08 /* CCITT Q.933 */
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/* Miscellaneous */
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#define WAN_IFNAME_SZ 15 /* max length of the interface name */
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#define WAN_DRVNAME_SZ 15 /* max length of the link driver name */
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#define WAN_ADDRESS_SZ 31 /* max length of the WAN media address */
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#define USED_BY_FIELD 8 /* max length of the used by field */
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/* Defines for UDP PACKET TYPE */
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#define UDP_PTPIPE_TYPE 0x01
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#define UDP_FPIPE_TYPE 0x02
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#define UDP_CPIPE_TYPE 0x03
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#define UDP_DRVSTATS_TYPE 0x04
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#define UDP_INVALID_TYPE 0x05
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/* Command return code */
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#define CMD_OK 0 /* normal firmware return code */
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#define CMD_TIMEOUT 0xFF /* firmware command timed out */
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/* UDP Packet Management */
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#define UDP_PKT_FRM_STACK 0x00
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#define UDP_PKT_FRM_NETWORK 0x01
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/* Maximum interrupt test counter */
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#define MAX_INTR_TEST_COUNTER 100
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/* Critical Values for RACE conditions*/
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#define CRITICAL_IN_ISR 0xA1
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#define CRITICAL_INTR_HANDLED 0xB1
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/****** Data Types **********************************************************/
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/*----------------------------------------------------------------------------
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* X.25-specific link-level configuration.
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*/
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typedef struct wan_x25_conf
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{
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unsigned lo_pvc; /* lowest permanent circuit number */
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unsigned hi_pvc; /* highest permanent circuit number */
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unsigned lo_svc; /* lowest switched circuit number */
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unsigned hi_svc; /* highest switched circuit number */
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unsigned hdlc_window; /* HDLC window size (1..7) */
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unsigned pkt_window; /* X.25 packet window size (1..7) */
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unsigned t1; /* HDLC timer T1, sec (1..30) */
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unsigned t2; /* HDLC timer T2, sec (0..29) */
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unsigned t4; /* HDLC supervisory frame timer = T4 * T1 */
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unsigned n2; /* HDLC retransmission limit (1..30) */
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unsigned t10_t20; /* X.25 RESTART timeout, sec (1..255) */
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unsigned t11_t21; /* X.25 CALL timeout, sec (1..255) */
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unsigned t12_t22; /* X.25 RESET timeout, sec (1..255) */
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unsigned t13_t23; /* X.25 CLEAR timeout, sec (1..255) */
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unsigned t16_t26; /* X.25 INTERRUPT timeout, sec (1..255) */
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unsigned t28; /* X.25 REGISTRATION timeout, sec (1..255) */
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unsigned r10_r20; /* RESTART retransmission limit (0..250) */
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unsigned r12_r22; /* RESET retransmission limit (0..250) */
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unsigned r13_r23; /* CLEAR retransmission limit (0..250) */
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unsigned ccitt_compat; /* compatibility mode: 1988/1984/1980 */
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unsigned x25_conf_opt; /* User defined x25 config optoins */
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unsigned char LAPB_hdlc_only; /* Run in HDLC only mode */
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unsigned char logging; /* Control connection logging */
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unsigned char oob_on_modem; /* Whether to send modem status to the user app */
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} wan_x25_conf_t;
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/*----------------------------------------------------------------------------
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* Frame relay specific link-level configuration.
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*/
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typedef struct wan_fr_conf
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{
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unsigned signalling; /* local in-channel signalling type */
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unsigned t391; /* link integrity verification timer */
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unsigned t392; /* polling verification timer */
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unsigned n391; /* full status polling cycle counter */
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unsigned n392; /* error threshold counter */
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unsigned n393; /* monitored events counter */
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unsigned dlci_num; /* number of DLCs (access node) */
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unsigned dlci[100]; /* List of all DLCIs */
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} wan_fr_conf_t;
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/*----------------------------------------------------------------------------
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* PPP-specific link-level configuration.
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*/
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typedef struct wan_ppp_conf
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{
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unsigned restart_tmr; /* restart timer */
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unsigned auth_rsrt_tmr; /* authentication timer */
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unsigned auth_wait_tmr; /* authentication timer */
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unsigned mdm_fail_tmr; /* modem failure timer */
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unsigned dtr_drop_tmr; /* DTR drop timer */
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unsigned connect_tmout; /* connection timeout */
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unsigned conf_retry; /* max. retry */
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unsigned term_retry; /* max. retry */
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unsigned fail_retry; /* max. retry */
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unsigned auth_retry; /* max. retry */
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unsigned auth_options; /* authentication opt. */
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unsigned ip_options; /* IP options */
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char authenticator; /* AUTHENTICATOR or not */
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char ip_mode; /* Static/Host/Peer */
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} wan_ppp_conf_t;
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/*----------------------------------------------------------------------------
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* CHDLC-specific link-level configuration.
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*/
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typedef struct wan_chdlc_conf
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{
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unsigned char ignore_dcd; /* Protocol options: */
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unsigned char ignore_cts; /* Ignore these to determine */
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unsigned char ignore_keepalive; /* link status (Yes or No) */
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unsigned char hdlc_streaming; /* hdlc_streaming mode (Y/N) */
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unsigned char receive_only; /* no transmit buffering (Y/N) */
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unsigned keepalive_tx_tmr; /* transmit keepalive timer */
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unsigned keepalive_rx_tmr; /* receive keepalive timer */
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unsigned keepalive_err_margin; /* keepalive_error_tolerance */
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unsigned slarp_timer; /* SLARP request timer */
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} wan_chdlc_conf_t;
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/*----------------------------------------------------------------------------
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* WAN device configuration. Passed to ROUTER_SETUP IOCTL.
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*/
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typedef struct wandev_conf
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{
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unsigned magic; /* magic number (for verification) */
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unsigned config_id; /* configuration structure identifier */
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/****** hardware configuration ******/
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unsigned ioport; /* adapter I/O port base */
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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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char S514_CPU_no[1]; /* S514 PCI adapter CPU number ('A' or 'B') */
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unsigned PCI_slot_no; /* S514 PCI adapter slot number */
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char auto_pci_cfg; /* S515 PCI automatic slot detection */
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char comm_port; /* Communication Port (PRI=0, SEC=1) */
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unsigned bps; /* data transfer rate */
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unsigned mtu; /* maximum 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 char ft1; /* FT1 Configurator Option */
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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 read_mode; /* read mode: Polling or interrupt */
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char receive_only; /* disable tx buffers */
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char tty; /* Create a fake tty device */
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unsigned tty_major; /* Major number for wanpipe tty device */
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unsigned tty_minor; /* Minor number for wanpipe tty device */
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unsigned tty_mode; /* TTY operation mode SYNC or ASYNC */
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char backup; /* Backup Mode */
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unsigned hw_opt[4]; /* other hardware options */
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unsigned reserved[4];
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/****** arbitrary data ***************/
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unsigned data_size; /* data buffer size */
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void* data; /* data buffer, e.g. firmware */
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union /****** protocol-specific ************/
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{
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wan_x25_conf_t x25; /* X.25 configuration */
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wan_ppp_conf_t ppp; /* PPP configuration */
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wan_fr_conf_t fr; /* frame relay configuration */
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wan_chdlc_conf_t chdlc; /* Cisco HDLC configuration */
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} u;
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} wandev_conf_t;
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/* 'config_id' definitions */
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#define WANCONFIG_X25 101 /* X.25 link */
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#define WANCONFIG_FR 102 /* frame relay link */
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#define WANCONFIG_PPP 103 /* synchronous PPP link */
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#define WANCONFIG_CHDLC 104 /* Cisco HDLC Link */
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#define WANCONFIG_BSC 105 /* BiSync Streaming */
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#define WANCONFIG_HDLC 106 /* HDLC Support */
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#define WANCONFIG_MPPP 107 /* Multi Port PPP over RAW CHDLC */
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/*
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* Configuration options defines.
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*/
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/* general options */
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#define WANOPT_OFF 0
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#define WANOPT_ON 1
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#define WANOPT_NO 0
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#define WANOPT_YES 1
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/* intercace options */
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#define WANOPT_RS232 0
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#define WANOPT_V35 1
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/* data encoding options */
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#define WANOPT_NRZ 0
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#define WANOPT_NRZI 1
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#define WANOPT_FM0 2
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#define WANOPT_FM1 3
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/* link type options */
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#define WANOPT_POINTTOPOINT 0 /* RTS always active */
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#define WANOPT_MULTIDROP 1 /* RTS is active when transmitting */
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/* clocking options */
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#define WANOPT_EXTERNAL 0
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#define WANOPT_INTERNAL 1
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/* station options */
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#define WANOPT_DTE 0
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#define WANOPT_DCE 1
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#define WANOPT_CPE 0
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#define WANOPT_NODE 1
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#define WANOPT_SECONDARY 0
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#define WANOPT_PRIMARY 1
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/* connection options */
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#define WANOPT_PERMANENT 0 /* DTR always active */
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#define WANOPT_SWITCHED 1 /* use DTR to setup link (dial-up) */
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#define WANOPT_ONDEMAND 2 /* activate DTR only before sending */
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|
/* frame relay in-channel signalling */
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|
|
#define WANOPT_FR_ANSI 1 /* ANSI T1.617 Annex D */
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|
#define WANOPT_FR_Q933 2 /* ITU Q.933A */
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|
#define WANOPT_FR_LMI 3 /* LMI */
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|
/* PPP IP Mode Options */
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#define WANOPT_PPP_STATIC 0
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|
#define WANOPT_PPP_HOST 1
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#define WANOPT_PPP_PEER 2
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/* ASY Mode Options */
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#define WANOPT_ONE 1
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#define WANOPT_TWO 2
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#define WANOPT_ONE_AND_HALF 3
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#define WANOPT_NONE 0
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#define WANOPT_ODD 1
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#define WANOPT_EVEN 2
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|
/* CHDLC Protocol Options */
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|
/* DF Commmented out for now.
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|
#define WANOPT_CHDLC_NO_DCD IGNORE_DCD_FOR_LINK_STAT
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#define WANOPT_CHDLC_NO_CTS IGNORE_CTS_FOR_LINK_STAT
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#define WANOPT_CHDLC_NO_KEEPALIVE IGNORE_KPALV_FOR_LINK_STAT
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|
*/
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|
/* Port options */
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|
#define WANOPT_PRI 0
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#define WANOPT_SEC 1
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|
/* read mode */
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#define WANOPT_INTR 0
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#define WANOPT_POLL 1
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#define WANOPT_TTY_SYNC 0
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|
#define WANOPT_TTY_ASYNC 1
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|
/*----------------------------------------------------------------------------
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|
* WAN Link Status Info (for ROUTER_STAT IOCTL).
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|
|
*/
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|
|
typedef struct wandev_stat
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|
|
{
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|
unsigned state; /* link state */
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|
unsigned ndev; /* number of configured interfaces */
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|
/* link/interface configuration */
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|
unsigned connection; /* permanent/switched/on-demand */
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unsigned media_type; /* Frame relay/PPP/X.25/SDLC, etc. */
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unsigned mtu; /* max. transmit unit for this device */
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|
|
/* physical level statistics */
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|
|
unsigned modem_status; /* modem status */
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|
|
unsigned rx_frames; /* received frames count */
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|
|
unsigned rx_overruns; /* receiver overrun error count */
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|
|
unsigned rx_crc_err; /* receive CRC error count */
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|
|
unsigned rx_aborts; /* received aborted frames count */
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|
|
unsigned rx_bad_length; /* unexpetedly long/short frames count */
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|
|
unsigned rx_dropped; /* frames discarded at device level */
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|
|
unsigned tx_frames; /* transmitted frames count */
|
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|
|
unsigned tx_underruns; /* aborted transmissions (underruns) count */
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|
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|
|
unsigned tx_timeouts; /* transmission timeouts */
|
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|
|
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 */
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|
|
|
|
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 */
|
2006-04-25 14:00:56 +00:00
|
|
|
#include <linux/spinlock.h> /* Support for SMP Locking */
|
|
|
|
|
|
2005-04-16 22:20:36 +00:00
|
|
|
/*----------------------------------------------------------------------------
|
|
|
|
|
* 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);
|
2008-05-29 08:43:48 +00:00
|
|
|
extern long wanrouter_ioctl(struct file *file, unsigned int cmd, unsigned long arg);
|
2005-04-16 22:20:36 +00:00
|
|
|
|
|
|
|
|
/* Public Data */
|
|
|
|
|
/* list of registered devices */
|
|
|
|
|
extern struct wan_device *wanrouter_router_devlist;
|
|
|
|
|
|
|
|
|
|
#endif /* __KERNEL__ */
|
|
|
|
|
#endif /* _ROUTER_H */
|
