| /***************************************************************************** |
| * wanrouter.h Definitions for the WAN Multiprotocol Router Module. |
| * This module provides API and common services for WAN Link |
| * Drivers and is completely hardware-independent. |
| * |
| * Author: Nenad Corbic <ncorbic@sangoma.com> |
| * Gideon Hack |
| * Additions: Arnaldo Melo |
| * |
| * Copyright: (c) 1995-2000 Sangoma Technologies Inc. |
| * |
| * This program is free software; you can redistribute it and/or |
| * modify it under the terms of the GNU General Public License |
| * as published by the Free Software Foundation; either version |
| * 2 of the License, or (at your option) any later version. |
| * ============================================================================ |
| * Jul 21, 2000 Nenad Corbic Added WAN_FT1_READY State |
| * Feb 24, 2000 Nenad Corbic Added support for socket based x25api |
| * Jan 28, 2000 Nenad Corbic Added support for the ASYNC protocol. |
| * Oct 04, 1999 Nenad Corbic Updated for 2.1.0 release |
| * Jun 02, 1999 Gideon Hack Added support for the S514 adapter. |
| * May 23, 1999 Arnaldo Melo Added local_addr to wanif_conf_t |
| * WAN_DISCONNECTING state added |
| * Jul 20, 1998 David Fong Added Inverse ARP options to 'wanif_conf_t' |
| * Jun 12, 1998 David Fong Added Cisco HDLC support. |
| * Dec 16, 1997 Jaspreet Singh Moved 'enable_IPX' and 'network_number' to |
| * 'wanif_conf_t' |
| * Dec 05, 1997 Jaspreet Singh Added 'pap', 'chap' to 'wanif_conf_t' |
| * Added 'authenticator' to 'wan_ppp_conf_t' |
| * Nov 06, 1997 Jaspreet Singh Changed Router Driver version to 1.1 from 1.0 |
| * Oct 20, 1997 Jaspreet Singh Added 'cir','bc','be' and 'mc' to 'wanif_conf_t' |
| * Added 'enable_IPX' and 'network_number' to |
| * 'wan_device_t'. Also added defines for |
| * UDP PACKET TYPE, Interrupt test, critical values |
| * for RACE conditions. |
| * Oct 05, 1997 Jaspreet Singh Added 'dlci_num' and 'dlci[100]' to |
| * 'wan_fr_conf_t' to configure a list of dlci(s) |
| * for a NODE |
| * Jul 07, 1997 Jaspreet Singh Added 'ttl' to 'wandev_conf_t' & 'wan_device_t' |
| * May 29, 1997 Jaspreet Singh Added 'tx_int_enabled' to 'wan_device_t' |
| * May 21, 1997 Jaspreet Singh Added 'udp_port' to 'wan_device_t' |
| * Apr 25, 1997 Farhan Thawar Added 'udp_port' to 'wandev_conf_t' |
| * Jan 16, 1997 Gene Kozin router_devlist made public |
| * Jan 02, 1997 Gene Kozin Initial version (based on wanpipe.h). |
| *****************************************************************************/ |
| |
| #ifndef _ROUTER_H |
| #define _ROUTER_H |
| |
| #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 Commented 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 */ |
| #include <linux/spinlock.h> /* Support for SMP Locking */ |
| |
| /*---------------------------------------------------------------------------- |
| * WAN device data space. |
| */ |
| struct wan_device { |
| unsigned magic; /* magic number */ |
| char* name; /* -> WAN device name (ASCIIZ) */ |
| void* private; /* -> driver private data */ |
| unsigned config_id; /* Configuration ID */ |
| /****** hardware configuration ******/ |
| unsigned ioport; /* adapter I/O port base #1 */ |
| char S514_cpu_no[1]; /* PCI CPU Number */ |
| unsigned char S514_slot_no; /* PCI Slot Number */ |
| unsigned long maddr; /* dual-port memory address */ |
| unsigned msize; /* dual-port memory size */ |
| int irq; /* interrupt request level */ |
| int dma; /* DMA request level */ |
| unsigned bps; /* data transfer rate */ |
| unsigned mtu; /* max physical transmit unit size */ |
| unsigned udp_port; /* UDP port for management */ |
| unsigned char ttl; /* Time To Live for UDP security */ |
| unsigned enable_tx_int; /* Transmit Interrupt enabled or not */ |
| char interface; /* RS-232/V.35, etc. */ |
| char clocking; /* external/internal */ |
| char line_coding; /* NRZ/NRZI/FM0/FM1, etc. */ |
| char station; /* DTE/DCE, primary/secondary, etc. */ |
| char connection; /* permanent/switched/on-demand */ |
| char signalling; /* Signalling RS232 or V35 */ |
| char read_mode; /* read mode: Polling or interrupt */ |
| char new_if_cnt; /* Number of interfaces per wanpipe */ |
| char del_if_cnt; /* Number of times del_if() gets called */ |
| unsigned char piggyback; /* Piggibacking a port */ |
| unsigned hw_opt[4]; /* other hardware options */ |
| /****** status and statistics *******/ |
| char state; /* device state */ |
| char api_status; /* device api status */ |
| struct net_device_stats stats; /* interface statistics */ |
| unsigned reserved[16]; /* reserved for future use */ |
| unsigned long critical; /* critical section flag */ |
| spinlock_t lock; /* Support for SMP Locking */ |
| |
| /****** device management methods ***/ |
| int (*setup) (struct wan_device *wandev, wandev_conf_t *conf); |
| int (*shutdown) (struct wan_device *wandev); |
| int (*update) (struct wan_device *wandev); |
| int (*ioctl) (struct wan_device *wandev, unsigned cmd, |
| unsigned long arg); |
| int (*new_if)(struct wan_device *wandev, struct net_device *dev, |
| wanif_conf_t *conf); |
| int (*del_if)(struct wan_device *wandev, struct net_device *dev); |
| /****** maintained by the router ****/ |
| struct wan_device* next; /* -> next device */ |
| struct net_device* dev; /* list of network interfaces */ |
| unsigned ndev; /* number of interfaces */ |
| struct proc_dir_entry *dent; /* proc filesystem entry */ |
| }; |
| |
| /* Public functions available for device drivers */ |
| extern int register_wan_device(struct wan_device *wandev); |
| extern int unregister_wan_device(char *name); |
| |
| /* Proc interface functions. These must not be called by the drivers! */ |
| extern int wanrouter_proc_init(void); |
| extern void wanrouter_proc_cleanup(void); |
| extern int wanrouter_proc_add(struct wan_device *wandev); |
| extern int wanrouter_proc_delete(struct wan_device *wandev); |
| extern long wanrouter_ioctl(struct file *file, unsigned int cmd, unsigned long arg); |
| |
| /* Public Data */ |
| /* list of registered devices */ |
| extern struct wan_device *wanrouter_router_devlist; |
| |
| #endif /* __KERNEL__ */ |
| #endif /* _ROUTER_H */ |