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1/*****************************************************************************
2* wanrouter.h Definitions for the WAN Multiprotocol Router Module.
3* This module provides API and common services for WAN Link
4* Drivers and is completely hardware-independent.
5*
6* Author: Nenad Corbic <ncorbic@sangoma.com>
7* Gideon Hack
8* Additions: Arnaldo Melo
9*
10* Copyright: (c) 1995-2000 Sangoma Technologies Inc.
11*
12* This program is free software; you can redistribute it and/or
13* modify it under the terms of the GNU General Public License
14* as published by the Free Software Foundation; either version
15* 2 of the License, or (at your option) any later version.
16* ============================================================================
17* Jul 21, 2000 Nenad Corbic Added WAN_FT1_READY State
18* Feb 24, 2000 Nenad Corbic Added support for socket based x25api
19* Jan 28, 2000 Nenad Corbic Added support for the ASYNC protocol.
20* Oct 04, 1999 Nenad Corbic Updated for 2.1.0 release
21* Jun 02, 1999 Gideon Hack Added support for the S514 adapter.
22* May 23, 1999 Arnaldo Melo Added local_addr to wanif_conf_t
23* WAN_DISCONNECTING state added
24* Jul 20, 1998 David Fong Added Inverse ARP options to 'wanif_conf_t'
25* Jun 12, 1998 David Fong Added Cisco HDLC support.
26* Dec 16, 1997 Jaspreet Singh Moved 'enable_IPX' and 'network_number' to
27* 'wanif_conf_t'
28* Dec 05, 1997 Jaspreet Singh Added 'pap', 'chap' to 'wanif_conf_t'
29* Added 'authenticator' to 'wan_ppp_conf_t'
30* Nov 06, 1997 Jaspreet Singh Changed Router Driver version to 1.1 from 1.0
31* Oct 20, 1997 Jaspreet Singh Added 'cir','bc','be' and 'mc' to 'wanif_conf_t'
32* Added 'enable_IPX' and 'network_number' to
33* 'wan_device_t'. Also added defines for
34* UDP PACKET TYPE, Interrupt test, critical values
35* for RACE conditions.
36* Oct 05, 1997 Jaspreet Singh Added 'dlci_num' and 'dlci[100]' to
37* 'wan_fr_conf_t' to configure a list of dlci(s)
38* for a NODE
39* Jul 07, 1997 Jaspreet Singh Added 'ttl' to 'wandev_conf_t' & 'wan_device_t'
40* May 29, 1997 Jaspreet Singh Added 'tx_int_enabled' to 'wan_device_t'
41* May 21, 1997 Jaspreet Singh Added 'udp_port' to 'wan_device_t'
42* Apr 25, 1997 Farhan Thawar Added 'udp_port' to 'wandev_conf_t'
43* Jan 16, 1997 Gene Kozin router_devlist made public
44* Jan 02, 1997 Gene Kozin Initial version (based on wanpipe.h).
45*****************************************************************************/
46
47#include <linux/spinlock.h> /* Support for SMP Locking */
48
49#ifndef _ROUTER_H
50#define _ROUTER_H
51
52#define ROUTER_NAME "wanrouter" /* in case we ever change it */
53#define ROUTER_VERSION 1 /* version number */
54#define ROUTER_RELEASE 1 /* release (minor version) number */
55#define ROUTER_IOCTL 'W' /* for IOCTL calls */
56#define ROUTER_MAGIC 0x524D4157L /* signature: 'WANR' reversed */
57
58/* IOCTL codes for /proc/router/<device> entries (up to 255) */
59enum router_ioctls
60{
61 ROUTER_SETUP = ROUTER_IOCTL<<8, /* configure device */
62 ROUTER_DOWN, /* shut down device */
63 ROUTER_STAT, /* get device status */
64 ROUTER_IFNEW, /* add interface */
65 ROUTER_IFDEL, /* delete interface */
66 ROUTER_IFSTAT, /* get interface status */
67 ROUTER_USER = (ROUTER_IOCTL<<8)+16, /* driver-specific calls */
68 ROUTER_USER_MAX = (ROUTER_IOCTL<<8)+31
69};
70
71/* identifiers for displaying proc file data for dual port adapters */
72#define PROC_DATA_PORT_0 0x8000 /* the data is for port 0 */
73#define PROC_DATA_PORT_1 0x8001 /* the data is for port 1 */
74
75/* NLPID for packet encapsulation (ISO/IEC TR 9577) */
76#define NLPID_IP 0xCC /* Internet Protocol Datagram */
77#define NLPID_SNAP 0x80 /* IEEE Subnetwork Access Protocol */
78#define NLPID_CLNP 0x81 /* ISO/IEC 8473 */
79#define NLPID_ESIS 0x82 /* ISO/IEC 9542 */
80#define NLPID_ISIS 0x83 /* ISO/IEC ISIS */
81#define NLPID_Q933 0x08 /* CCITT Q.933 */
82
83/* Miscellaneous */
84#define WAN_IFNAME_SZ 15 /* max length of the interface name */
85#define WAN_DRVNAME_SZ 15 /* max length of the link driver name */
86#define WAN_ADDRESS_SZ 31 /* max length of the WAN media address */
87#define USED_BY_FIELD 8 /* max length of the used by field */
88
89/* Defines for UDP PACKET TYPE */
90#define UDP_PTPIPE_TYPE 0x01
91#define UDP_FPIPE_TYPE 0x02
92#define UDP_CPIPE_TYPE 0x03
93#define UDP_DRVSTATS_TYPE 0x04
94#define UDP_INVALID_TYPE 0x05
95
96/* Command return code */
97#define CMD_OK 0 /* normal firmware return code */
98#define CMD_TIMEOUT 0xFF /* firmware command timed out */
99
100/* UDP Packet Management */
101#define UDP_PKT_FRM_STACK 0x00
102#define UDP_PKT_FRM_NETWORK 0x01
103
104/* Maximum interrupt test counter */
105#define MAX_INTR_TEST_COUNTER 100
106
107/* Critical Values for RACE conditions*/
108#define CRITICAL_IN_ISR 0xA1
109#define CRITICAL_INTR_HANDLED 0xB1
110
111/****** Data Types **********************************************************/
112
113/*----------------------------------------------------------------------------
114 * X.25-specific link-level configuration.
115 */
116typedef struct wan_x25_conf
117{
118 unsigned lo_pvc; /* lowest permanent circuit number */
119 unsigned hi_pvc; /* highest permanent circuit number */
120 unsigned lo_svc; /* lowest switched circuit number */
121 unsigned hi_svc; /* highest switched circuit number */
122 unsigned hdlc_window; /* HDLC window size (1..7) */
123 unsigned pkt_window; /* X.25 packet window size (1..7) */
124 unsigned t1; /* HDLC timer T1, sec (1..30) */
125 unsigned t2; /* HDLC timer T2, sec (0..29) */
126 unsigned t4; /* HDLC supervisory frame timer = T4 * T1 */
127 unsigned n2; /* HDLC retransmission limit (1..30) */
128 unsigned t10_t20; /* X.25 RESTART timeout, sec (1..255) */
129 unsigned t11_t21; /* X.25 CALL timeout, sec (1..255) */
130 unsigned t12_t22; /* X.25 RESET timeout, sec (1..255) */
131 unsigned t13_t23; /* X.25 CLEAR timeout, sec (1..255) */
132 unsigned t16_t26; /* X.25 INTERRUPT timeout, sec (1..255) */
133 unsigned t28; /* X.25 REGISTRATION timeout, sec (1..255) */
134 unsigned r10_r20; /* RESTART retransmission limit (0..250) */
135 unsigned r12_r22; /* RESET retransmission limit (0..250) */
136 unsigned r13_r23; /* CLEAR retransmission limit (0..250) */
137 unsigned ccitt_compat; /* compatibility mode: 1988/1984/1980 */
138 unsigned x25_conf_opt; /* User defined x25 config optoins */
139 unsigned char LAPB_hdlc_only; /* Run in HDLC only mode */
140 unsigned char logging; /* Control connection logging */
141 unsigned char oob_on_modem; /* Whether to send modem status to the user app */
142} wan_x25_conf_t;
143
144/*----------------------------------------------------------------------------
145 * Frame relay specific link-level configuration.
146 */
147typedef struct wan_fr_conf
148{
149 unsigned signalling; /* local in-channel signalling type */
150 unsigned t391; /* link integrity verification timer */
151 unsigned t392; /* polling verification timer */
152 unsigned n391; /* full status polling cycle counter */
153 unsigned n392; /* error threshold counter */
154 unsigned n393; /* monitored events counter */
155 unsigned dlci_num; /* number of DLCs (access node) */
156 unsigned dlci[100]; /* List of all DLCIs */
157} wan_fr_conf_t;
158
159/*----------------------------------------------------------------------------
160 * PPP-specific link-level configuration.
161 */
162typedef struct wan_ppp_conf
163{
164 unsigned restart_tmr; /* restart timer */
165 unsigned auth_rsrt_tmr; /* authentication timer */
166 unsigned auth_wait_tmr; /* authentication timer */
167 unsigned mdm_fail_tmr; /* modem failure timer */
168 unsigned dtr_drop_tmr; /* DTR drop timer */
169 unsigned connect_tmout; /* connection timeout */
170 unsigned conf_retry; /* max. retry */
171 unsigned term_retry; /* max. retry */
172 unsigned fail_retry; /* max. retry */
173 unsigned auth_retry; /* max. retry */
174 unsigned auth_options; /* authentication opt. */
175 unsigned ip_options; /* IP options */
176 char authenticator; /* AUTHENTICATOR or not */
177 char ip_mode; /* Static/Host/Peer */
178} wan_ppp_conf_t;
179
180/*----------------------------------------------------------------------------
181 * CHDLC-specific link-level configuration.
182 */
183typedef struct wan_chdlc_conf
184{
185 unsigned char ignore_dcd; /* Protocol options: */
186 unsigned char ignore_cts; /* Ignore these to determine */
187 unsigned char ignore_keepalive; /* link status (Yes or No) */
188 unsigned char hdlc_streaming; /* hdlc_streaming mode (Y/N) */
189 unsigned char receive_only; /* no transmit buffering (Y/N) */
190 unsigned keepalive_tx_tmr; /* transmit keepalive timer */
191 unsigned keepalive_rx_tmr; /* receive keepalive timer */
192 unsigned keepalive_err_margin; /* keepalive_error_tolerance */
193 unsigned slarp_timer; /* SLARP request timer */
194} wan_chdlc_conf_t;
195
196
197/*----------------------------------------------------------------------------
198 * WAN device configuration. Passed to ROUTER_SETUP IOCTL.
199 */
200typedef struct wandev_conf
201{
202 unsigned magic; /* magic number (for verification) */
203 unsigned config_id; /* configuration structure identifier */
204 /****** hardware configuration ******/
205 unsigned ioport; /* adapter I/O port base */
206 unsigned long maddr; /* dual-port memory address */
207 unsigned msize; /* dual-port memory size */
208 int irq; /* interrupt request level */
209 int dma; /* DMA request level */
210 char S514_CPU_no[1]; /* S514 PCI adapter CPU number ('A' or 'B') */
211 unsigned PCI_slot_no; /* S514 PCI adapter slot number */
212 char auto_pci_cfg; /* S515 PCI automatic slot detection */
213 char comm_port; /* Communication Port (PRI=0, SEC=1) */
214 unsigned bps; /* data transfer rate */
215 unsigned mtu; /* maximum transmit unit size */
216 unsigned udp_port; /* UDP port for management */
217 unsigned char ttl; /* Time To Live for UDP security */
218 unsigned char ft1; /* FT1 Configurator Option */
219 char interface; /* RS-232/V.35, etc. */
220 char clocking; /* external/internal */
221 char line_coding; /* NRZ/NRZI/FM0/FM1, etc. */
222 char station; /* DTE/DCE, primary/secondary, etc. */
223 char connection; /* permanent/switched/on-demand */
224 char read_mode; /* read mode: Polling or interrupt */
225 char receive_only; /* disable tx buffers */
226 char tty; /* Create a fake tty device */
227 unsigned tty_major; /* Major number for wanpipe tty device */
228 unsigned tty_minor; /* Minor number for wanpipe tty device */
229 unsigned tty_mode; /* TTY operation mode SYNC or ASYNC */
230 char backup; /* Backup Mode */
231 unsigned hw_opt[4]; /* other hardware options */
232 unsigned reserved[4];
233 /****** arbitrary data ***************/
234 unsigned data_size; /* data buffer size */
235 void* data; /* data buffer, e.g. firmware */
236 union /****** protocol-specific ************/
237 {
238 wan_x25_conf_t x25; /* X.25 configuration */
239 wan_ppp_conf_t ppp; /* PPP configuration */
240 wan_fr_conf_t fr; /* frame relay configuration */
241 wan_chdlc_conf_t chdlc; /* Cisco HDLC configuration */
242 } u;
243} wandev_conf_t;
244
245/* 'config_id' definitions */
246#define WANCONFIG_X25 101 /* X.25 link */
247#define WANCONFIG_FR 102 /* frame relay link */
248#define WANCONFIG_PPP 103 /* synchronous PPP link */
249#define WANCONFIG_CHDLC 104 /* Cisco HDLC Link */
250#define WANCONFIG_BSC 105 /* BiSync Streaming */
251#define WANCONFIG_HDLC 106 /* HDLC Support */
252#define WANCONFIG_MPPP 107 /* Multi Port PPP over RAW CHDLC */
253
254/*
255 * Configuration options defines.
256 */
257/* general options */
258#define WANOPT_OFF 0
259#define WANOPT_ON 1
260#define WANOPT_NO 0
261#define WANOPT_YES 1
262
263/* intercace options */
264#define WANOPT_RS232 0
265#define WANOPT_V35 1
266
267/* data encoding options */
268#define WANOPT_NRZ 0
269#define WANOPT_NRZI 1
270#define WANOPT_FM0 2
271#define WANOPT_FM1 3
272
273/* link type options */
274#define WANOPT_POINTTOPOINT 0 /* RTS always active */
275#define WANOPT_MULTIDROP 1 /* RTS is active when transmitting */
276
277/* clocking options */
278#define WANOPT_EXTERNAL 0
279#define WANOPT_INTERNAL 1
280
281/* station options */
282#define WANOPT_DTE 0
283#define WANOPT_DCE 1
284#define WANOPT_CPE 0
285#define WANOPT_NODE 1
286#define WANOPT_SECONDARY 0
287#define WANOPT_PRIMARY 1
288
289/* connection options */
290#define WANOPT_PERMANENT 0 /* DTR always active */
291#define WANOPT_SWITCHED 1 /* use DTR to setup link (dial-up) */
292#define WANOPT_ONDEMAND 2 /* activate DTR only before sending */
293
294/* frame relay in-channel signalling */
295#define WANOPT_FR_ANSI 1 /* ANSI T1.617 Annex D */
296#define WANOPT_FR_Q933 2 /* ITU Q.933A */
297#define WANOPT_FR_LMI 3 /* LMI */
298
299/* PPP IP Mode Options */
300#define WANOPT_PPP_STATIC 0
301#define WANOPT_PPP_HOST 1
302#define WANOPT_PPP_PEER 2
303
304/* ASY Mode Options */
305#define WANOPT_ONE 1
306#define WANOPT_TWO 2
307#define WANOPT_ONE_AND_HALF 3
308
309#define WANOPT_NONE 0
310#define WANOPT_ODD 1
311#define WANOPT_EVEN 2
312
313/* CHDLC Protocol Options */
314/* DF Commmented out for now.
315
316#define WANOPT_CHDLC_NO_DCD IGNORE_DCD_FOR_LINK_STAT
317#define WANOPT_CHDLC_NO_CTS IGNORE_CTS_FOR_LINK_STAT
318#define WANOPT_CHDLC_NO_KEEPALIVE IGNORE_KPALV_FOR_LINK_STAT
319*/
320
321/* Port options */
322#define WANOPT_PRI 0
323#define WANOPT_SEC 1
324/* read mode */
325#define WANOPT_INTR 0
326#define WANOPT_POLL 1
327
328
329#define WANOPT_TTY_SYNC 0
330#define WANOPT_TTY_ASYNC 1
331/*----------------------------------------------------------------------------
332 * WAN Link Status Info (for ROUTER_STAT IOCTL).
333 */
334typedef struct wandev_stat
335{
336 unsigned state; /* link state */
337 unsigned ndev; /* number of configured interfaces */
338
339 /* link/interface configuration */
340 unsigned connection; /* permanent/switched/on-demand */
341 unsigned media_type; /* Frame relay/PPP/X.25/SDLC, etc. */
342 unsigned mtu; /* max. transmit unit for this device */
343
344 /* physical level statistics */
345 unsigned modem_status; /* modem status */
346 unsigned rx_frames; /* received frames count */
347 unsigned rx_overruns; /* receiver overrun error count */
348 unsigned rx_crc_err; /* receive CRC error count */
349 unsigned rx_aborts; /* received aborted frames count */
350 unsigned rx_bad_length; /* unexpetedly long/short frames count */
351 unsigned rx_dropped; /* frames discarded at device level */
352 unsigned tx_frames; /* transmitted frames count */
353 unsigned tx_underruns; /* aborted transmissions (underruns) count */
354 unsigned tx_timeouts; /* transmission timeouts */
355 unsigned tx_rejects; /* other transmit errors */
356
357 /* media level statistics */
358 unsigned rx_bad_format; /* frames with invalid format */
359 unsigned rx_bad_addr; /* frames with invalid media address */
360 unsigned tx_retries; /* frames re-transmitted */
361 unsigned reserved[16]; /* reserved for future use */
362} wandev_stat_t;
363
364/* 'state' defines */
365enum wan_states
366{
367 WAN_UNCONFIGURED, /* link/channel is not configured */
368 WAN_DISCONNECTED, /* link/channel is disconnected */
369 WAN_CONNECTING, /* connection is in progress */
370 WAN_CONNECTED, /* link/channel is operational */
371 WAN_LIMIT, /* for verification only */
372 WAN_DUALPORT, /* for Dual Port cards */
373 WAN_DISCONNECTING,
374 WAN_FT1_READY /* FT1 Configurator Ready */
375};
376
377enum {
378 WAN_LOCAL_IP,
379 WAN_POINTOPOINT_IP,
380 WAN_NETMASK_IP,
381 WAN_BROADCAST_IP
382};
383
384/* 'modem_status' masks */
385#define WAN_MODEM_CTS 0x0001 /* CTS line active */
386#define WAN_MODEM_DCD 0x0002 /* DCD line active */
387#define WAN_MODEM_DTR 0x0010 /* DTR line active */
388#define WAN_MODEM_RTS 0x0020 /* RTS line active */
389
390/*----------------------------------------------------------------------------
391 * WAN interface (logical channel) configuration (for ROUTER_IFNEW IOCTL).
392 */
393typedef struct wanif_conf
394{
395 unsigned magic; /* magic number */
396 unsigned config_id; /* configuration identifier */
397 char name[WAN_IFNAME_SZ+1]; /* interface name, ASCIIZ */
398 char addr[WAN_ADDRESS_SZ+1]; /* media address, ASCIIZ */
399 char usedby[USED_BY_FIELD]; /* used by API or WANPIPE */
400 unsigned idle_timeout; /* sec, before disconnecting */
401 unsigned hold_timeout; /* sec, before re-connecting */
402 unsigned cir; /* Committed Information Rate fwd,bwd*/
403 unsigned bc; /* Committed Burst Size fwd, bwd */
404 unsigned be; /* Excess Burst Size fwd, bwd */
405 unsigned char enable_IPX; /* Enable or Disable IPX */
406 unsigned char inarp; /* Send Inverse ARP requests Y/N */
407 unsigned inarp_interval; /* sec, between InARP requests */
408 unsigned long network_number; /* Network Number for IPX */
409 char mc; /* Multicast on or off */
410 char local_addr[WAN_ADDRESS_SZ+1];/* local media address, ASCIIZ */
411 unsigned char port; /* board port */
412 unsigned char protocol; /* prococol used in this channel (TCPOX25 or X25) */
413 char pap; /* PAP enabled or disabled */
414 char chap; /* CHAP enabled or disabled */
415 unsigned char userid[511]; /* List of User Id */
416 unsigned char passwd[511]; /* List of passwords */
417 unsigned char sysname[31]; /* Name of the system */
418 unsigned char ignore_dcd; /* Protocol options: */
419 unsigned char ignore_cts; /* Ignore these to determine */
420 unsigned char ignore_keepalive; /* link status (Yes or No) */
421 unsigned char hdlc_streaming; /* Hdlc streaming mode (Y/N) */
422 unsigned keepalive_tx_tmr; /* transmit keepalive timer */
423 unsigned keepalive_rx_tmr; /* receive keepalive timer */
424 unsigned keepalive_err_margin; /* keepalive_error_tolerance */
425 unsigned slarp_timer; /* SLARP request timer */
426 unsigned char ttl; /* Time To Live for UDP security */
427 char interface; /* RS-232/V.35, etc. */
428 char clocking; /* external/internal */
429 unsigned bps; /* data transfer rate */
430 unsigned mtu; /* maximum transmit unit size */
431 unsigned char if_down; /* brind down interface when disconnected */
432 unsigned char gateway; /* Is this interface a gateway */
433 unsigned char true_if_encoding; /* Set the dev->type to true board protocol */
434
435 unsigned char asy_data_trans; /* async API options */
436 unsigned char rts_hs_for_receive; /* async Protocol options */
437 unsigned char xon_xoff_hs_for_receive;
438 unsigned char xon_xoff_hs_for_transmit;
439 unsigned char dcd_hs_for_transmit;
440 unsigned char cts_hs_for_transmit;
441 unsigned char async_mode;
442 unsigned tx_bits_per_char;
443 unsigned rx_bits_per_char;
444 unsigned stop_bits;
445 unsigned char parity;
446 unsigned break_timer;
447 unsigned inter_char_timer;
448 unsigned rx_complete_length;
449 unsigned xon_char;
450 unsigned xoff_char;
451 unsigned char receive_only; /* no transmit buffering (Y/N) */
452} wanif_conf_t;
453
454#ifdef __KERNEL__
455/****** Kernel Interface ****************************************************/
456
457#include <linux/fs.h> /* support for device drivers */
458#include <linux/proc_fs.h> /* proc filesystem pragmatics */
459#include <linux/netdevice.h> /* support for network drivers */
460/*----------------------------------------------------------------------------
461 * WAN device data space.
462 */
463struct wan_device {
464 unsigned magic; /* magic number */
465 char* name; /* -> WAN device name (ASCIIZ) */
466 void* private; /* -> driver private data */
467 unsigned config_id; /* Configuration ID */
468 /****** hardware configuration ******/
469 unsigned ioport; /* adapter I/O port base #1 */
470 char S514_cpu_no[1]; /* PCI CPU Number */
471 unsigned char S514_slot_no; /* PCI Slot Number */
472 unsigned long maddr; /* dual-port memory address */
473 unsigned msize; /* dual-port memory size */
474 int irq; /* interrupt request level */
475 int dma; /* DMA request level */
476 unsigned bps; /* data transfer rate */
477 unsigned mtu; /* max physical transmit unit size */
478 unsigned udp_port; /* UDP port for management */
479 unsigned char ttl; /* Time To Live for UDP security */
480 unsigned enable_tx_int; /* Transmit Interrupt enabled or not */
481 char interface; /* RS-232/V.35, etc. */
482 char clocking; /* external/internal */
483 char line_coding; /* NRZ/NRZI/FM0/FM1, etc. */
484 char station; /* DTE/DCE, primary/secondary, etc. */
485 char connection; /* permanent/switched/on-demand */
486 char signalling; /* Signalling RS232 or V35 */
487 char read_mode; /* read mode: Polling or interrupt */
488 char new_if_cnt; /* Number of interfaces per wanpipe */
489 char del_if_cnt; /* Number of times del_if() gets called */
490 unsigned char piggyback; /* Piggibacking a port */
491 unsigned hw_opt[4]; /* other hardware options */
492 /****** status and statistics *******/
493 char state; /* device state */
494 char api_status; /* device api status */
495 struct net_device_stats stats; /* interface statistics */
496 unsigned reserved[16]; /* reserved for future use */
497 unsigned long critical; /* critical section flag */
498 spinlock_t lock; /* Support for SMP Locking */
499
500 /****** device management methods ***/
501 int (*setup) (struct wan_device *wandev, wandev_conf_t *conf);
502 int (*shutdown) (struct wan_device *wandev);
503 int (*update) (struct wan_device *wandev);
504 int (*ioctl) (struct wan_device *wandev, unsigned cmd,
505 unsigned long arg);
506 int (*new_if)(struct wan_device *wandev, struct net_device *dev,
507 wanif_conf_t *conf);
508 int (*del_if)(struct wan_device *wandev, struct net_device *dev);
509 /****** maintained by the router ****/
510 struct wan_device* next; /* -> next device */
511 struct net_device* dev; /* list of network interfaces */
512 unsigned ndev; /* number of interfaces */
513 struct proc_dir_entry *dent; /* proc filesystem entry */
514};
515
516/* Public functions available for device drivers */
517extern int register_wan_device(struct wan_device *wandev);
518extern int unregister_wan_device(char *name);
519__be16 wanrouter_type_trans(struct sk_buff *skb, struct net_device *dev);
520int wanrouter_encapsulate(struct sk_buff *skb, struct net_device *dev,
521 unsigned short type);
522
523/* Proc interface functions. These must not be called by the drivers! */
524extern int wanrouter_proc_init(void);
525extern void wanrouter_proc_cleanup(void);
526extern int wanrouter_proc_add(struct wan_device *wandev);
527extern int wanrouter_proc_delete(struct wan_device *wandev);
528extern int wanrouter_ioctl( struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
529
530extern void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);
531extern void unlock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);
532
533
534
535/* Public Data */
536/* list of registered devices */
537extern struct wan_device *wanrouter_router_devlist;
538
539#endif /* __KERNEL__ */
540#endif /* _ROUTER_H */