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.
6 * Author: Nenad Corbic <ncorbic@sangoma.com>
8 * Additions: Arnaldo Melo
10 * Copyright: (c) 1995-2000 Sangoma Technologies Inc.
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
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)
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 #include <linux/version.h>
48 #ifndef KERNEL_VERSION
49 #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
52 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
54 #define netdevice_t struct net_device
55 #include <linux/spinlock.h> /* Support for SMP Locking */
57 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
59 #define netdevice_t struct device
60 #include <asm/spinlock.h> /* Support for SMP Locking */
64 #define netdevice_t struct device
65 #define spinlock_t int
71 #define ROUTER_NAME "wanrouter" /* in case we ever change it */
72 #define ROUTER_VERSION 1 /* version number */
73 #define ROUTER_RELEASE 1 /* release (minor version) number */
74 #define ROUTER_IOCTL 'W' /* for IOCTL calls */
75 #define ROUTER_MAGIC 0x524D4157L /* signature: 'WANR' reversed */
77 /* IOCTL codes for /proc/router/<device> entries (up to 255) */
80 ROUTER_SETUP = ROUTER_IOCTL<<8, /* configure device */
81 ROUTER_DOWN, /* shut down device */
82 ROUTER_STAT, /* get device status */
83 ROUTER_IFNEW, /* add interface */
84 ROUTER_IFDEL, /* delete interface */
85 ROUTER_IFSTAT, /* get interface status */
86 ROUTER_USER = (ROUTER_IOCTL<<8)+16, /* driver-specific calls */
87 ROUTER_USER_MAX = (ROUTER_IOCTL<<8)+31
90 /* identifiers for displaying proc file data for dual port adapters */
91 #define PROC_DATA_PORT_0 0x8000 /* the data is for port 0 */
92 #define PROC_DATA_PORT_1 0x8001 /* the data is for port 1 */
94 /* NLPID for packet encapsulation (ISO/IEC TR 9577) */
95 #define NLPID_IP 0xCC /* Internet Protocol Datagram */
96 #define NLPID_SNAP 0x80 /* IEEE Subnetwork Access Protocol */
97 #define NLPID_CLNP 0x81 /* ISO/IEC 8473 */
98 #define NLPID_ESIS 0x82 /* ISO/IEC 9542 */
99 #define NLPID_ISIS 0x83 /* ISO/IEC ISIS */
100 #define NLPID_Q933 0x08 /* CCITT Q.933 */
103 #define WAN_IFNAME_SZ 15 /* max length of the interface name */
104 #define WAN_DRVNAME_SZ 15 /* max length of the link driver name */
105 #define WAN_ADDRESS_SZ 31 /* max length of the WAN media address */
106 #define USED_BY_FIELD 8 /* max length of the used by field */
108 /* Defines for UDP PACKET TYPE */
109 #define UDP_PTPIPE_TYPE 0x01
110 #define UDP_FPIPE_TYPE 0x02
111 #define UDP_CPIPE_TYPE 0x03
112 #define UDP_DRVSTATS_TYPE 0x04
113 #define UDP_INVALID_TYPE 0x05
115 /* Command return code */
116 #define CMD_OK 0 /* normal firmware return code */
117 #define CMD_TIMEOUT 0xFF /* firmware command timed out */
119 /* UDP Packet Management */
120 #define UDP_PKT_FRM_STACK 0x00
121 #define UDP_PKT_FRM_NETWORK 0x01
123 /* Maximum interrupt test counter */
124 #define MAX_INTR_TEST_COUNTER 100
126 /* Critical Values for RACE conditions*/
127 #define CRITICAL_IN_ISR 0xA1
128 #define CRITICAL_INTR_HANDLED 0xB1
130 /****** Data Types **********************************************************/
132 /*----------------------------------------------------------------------------
133 * X.25-specific link-level configuration.
135 typedef struct wan_x25_conf
137 unsigned lo_pvc; /* lowest permanent circuit number */
138 unsigned hi_pvc; /* highest permanent circuit number */
139 unsigned lo_svc; /* lowest switched circuit number */
140 unsigned hi_svc; /* highest switched circuit number */
141 unsigned hdlc_window; /* HDLC window size (1..7) */
142 unsigned pkt_window; /* X.25 packet window size (1..7) */
143 unsigned t1; /* HDLC timer T1, sec (1..30) */
144 unsigned t2; /* HDLC timer T2, sec (0..29) */
145 unsigned t4; /* HDLC supervisory frame timer = T4 * T1 */
146 unsigned n2; /* HDLC retransmission limit (1..30) */
147 unsigned t10_t20; /* X.25 RESTART timeout, sec (1..255) */
148 unsigned t11_t21; /* X.25 CALL timeout, sec (1..255) */
149 unsigned t12_t22; /* X.25 RESET timeout, sec (1..255) */
150 unsigned t13_t23; /* X.25 CLEAR timeout, sec (1..255) */
151 unsigned t16_t26; /* X.25 INTERRUPT timeout, sec (1..255) */
152 unsigned t28; /* X.25 REGISTRATION timeout, sec (1..255) */
153 unsigned r10_r20; /* RESTART retransmission limit (0..250) */
154 unsigned r12_r22; /* RESET retransmission limit (0..250) */
155 unsigned r13_r23; /* CLEAR retransmission limit (0..250) */
156 unsigned ccitt_compat; /* compatibility mode: 1988/1984/1980 */
157 unsigned x25_conf_opt; /* User defined x25 config optoins */
158 unsigned char LAPB_hdlc_only; /* Run in HDLC only mode */
159 unsigned char logging; /* Control connection logging */
160 unsigned char oob_on_modem; /* Whether to send modem status to the user app */
163 /*----------------------------------------------------------------------------
164 * Frame relay specific link-level configuration.
166 typedef struct wan_fr_conf
168 unsigned signalling; /* local in-channel signalling type */
169 unsigned t391; /* link integrity verification timer */
170 unsigned t392; /* polling verification timer */
171 unsigned n391; /* full status polling cycle counter */
172 unsigned n392; /* error threshold counter */
173 unsigned n393; /* monitored events counter */
174 unsigned dlci_num; /* number of DLCs (access node) */
175 unsigned dlci[100]; /* List of all DLCIs */
178 /*----------------------------------------------------------------------------
179 * PPP-specific link-level configuration.
181 typedef struct wan_ppp_conf
183 unsigned restart_tmr; /* restart timer */
184 unsigned auth_rsrt_tmr; /* authentication timer */
185 unsigned auth_wait_tmr; /* authentication timer */
186 unsigned mdm_fail_tmr; /* modem failure timer */
187 unsigned dtr_drop_tmr; /* DTR drop timer */
188 unsigned connect_tmout; /* connection timeout */
189 unsigned conf_retry; /* max. retry */
190 unsigned term_retry; /* max. retry */
191 unsigned fail_retry; /* max. retry */
192 unsigned auth_retry; /* max. retry */
193 unsigned auth_options; /* authentication opt. */
194 unsigned ip_options; /* IP options */
195 char authenticator; /* AUTHENTICATOR or not */
196 char ip_mode; /* Static/Host/Peer */
199 /*----------------------------------------------------------------------------
200 * CHDLC-specific link-level configuration.
202 typedef struct wan_chdlc_conf
204 unsigned char ignore_dcd; /* Protocol options: */
205 unsigned char ignore_cts; /* Ignore these to determine */
206 unsigned char ignore_keepalive; /* link status (Yes or No) */
207 unsigned char hdlc_streaming; /* hdlc_streaming mode (Y/N) */
208 unsigned char receive_only; /* no transmit buffering (Y/N) */
209 unsigned keepalive_tx_tmr; /* transmit keepalive timer */
210 unsigned keepalive_rx_tmr; /* receive keepalive timer */
211 unsigned keepalive_err_margin; /* keepalive_error_tolerance */
212 unsigned slarp_timer; /* SLARP request timer */
216 /*----------------------------------------------------------------------------
217 * WAN device configuration. Passed to ROUTER_SETUP IOCTL.
219 typedef struct wandev_conf
221 unsigned magic; /* magic number (for verification) */
222 unsigned config_id; /* configuration structure identifier */
223 /****** hardware configuration ******/
224 unsigned ioport; /* adapter I/O port base */
225 unsigned long maddr; /* dual-port memory address */
226 unsigned msize; /* dual-port memory size */
227 int irq; /* interrupt request level */
228 int dma; /* DMA request level */
229 char S514_CPU_no[1]; /* S514 PCI adapter CPU number ('A' or 'B') */
230 unsigned PCI_slot_no; /* S514 PCI adapter slot number */
231 char auto_pci_cfg; /* S515 PCI automatic slot detection */
232 char comm_port; /* Communication Port (PRI=0, SEC=1) */
233 unsigned bps; /* data transfer rate */
234 unsigned mtu; /* maximum transmit unit size */
235 unsigned udp_port; /* UDP port for management */
236 unsigned char ttl; /* Time To Live for UDP security */
237 unsigned char ft1; /* FT1 Configurator Option */
238 char interface; /* RS-232/V.35, etc. */
239 char clocking; /* external/internal */
240 char line_coding; /* NRZ/NRZI/FM0/FM1, etc. */
241 char station; /* DTE/DCE, primary/secondary, etc. */
242 char connection; /* permanent/switched/on-demand */
243 char read_mode; /* read mode: Polling or interrupt */
244 char receive_only; /* disable tx buffers */
245 char tty; /* Create a fake tty device */
246 unsigned tty_major; /* Major number for wanpipe tty device */
247 unsigned tty_minor; /* Minor number for wanpipe tty device */
248 unsigned tty_mode; /* TTY operation mode SYNC or ASYNC */
249 char backup; /* Backup Mode */
250 unsigned hw_opt[4]; /* other hardware options */
251 unsigned reserved[4];
252 /****** arbitrary data ***************/
253 unsigned data_size; /* data buffer size */
254 void* data; /* data buffer, e.g. firmware */
255 union /****** protocol-specific ************/
257 wan_x25_conf_t x25; /* X.25 configuration */
258 wan_ppp_conf_t ppp; /* PPP configuration */
259 wan_fr_conf_t fr; /* frame relay configuration */
260 wan_chdlc_conf_t chdlc; /* Cisco HDLC configuration */
264 /* 'config_id' definitions */
265 #define WANCONFIG_X25 101 /* X.25 link */
266 #define WANCONFIG_FR 102 /* frame relay link */
267 #define WANCONFIG_PPP 103 /* synchronous PPP link */
268 #define WANCONFIG_CHDLC 104 /* Cisco HDLC Link */
269 #define WANCONFIG_BSC 105 /* BiSync Streaming */
270 #define WANCONFIG_HDLC 106 /* HDLC Support */
271 #define WANCONFIG_MPPP 107 /* Multi Port PPP over RAW CHDLC */
274 * Configuration options defines.
276 /* general options */
282 /* intercace options */
283 #define WANOPT_RS232 0
286 /* data encoding options */
288 #define WANOPT_NRZI 1
292 /* link type options */
293 #define WANOPT_POINTTOPOINT 0 /* RTS always active */
294 #define WANOPT_MULTIDROP 1 /* RTS is active when transmitting */
296 /* clocking options */
297 #define WANOPT_EXTERNAL 0
298 #define WANOPT_INTERNAL 1
300 /* station options */
304 #define WANOPT_NODE 1
305 #define WANOPT_SECONDARY 0
306 #define WANOPT_PRIMARY 1
308 /* connection options */
309 #define WANOPT_PERMANENT 0 /* DTR always active */
310 #define WANOPT_SWITCHED 1 /* use DTR to setup link (dial-up) */
311 #define WANOPT_ONDEMAND 2 /* activate DTR only before sending */
313 /* frame relay in-channel signalling */
314 #define WANOPT_FR_ANSI 1 /* ANSI T1.617 Annex D */
315 #define WANOPT_FR_Q933 2 /* ITU Q.933A */
316 #define WANOPT_FR_LMI 3 /* LMI */
318 /* PPP IP Mode Options */
319 #define WANOPT_PPP_STATIC 0
320 #define WANOPT_PPP_HOST 1
321 #define WANOPT_PPP_PEER 2
323 /* ASY Mode Options */
326 #define WANOPT_ONE_AND_HALF 3
328 #define WANOPT_NONE 0
330 #define WANOPT_EVEN 2
332 /* CHDLC Protocol Options */
333 /* DF Commmented out for now.
335 #define WANOPT_CHDLC_NO_DCD IGNORE_DCD_FOR_LINK_STAT
336 #define WANOPT_CHDLC_NO_CTS IGNORE_CTS_FOR_LINK_STAT
337 #define WANOPT_CHDLC_NO_KEEPALIVE IGNORE_KPALV_FOR_LINK_STAT
344 #define WANOPT_INTR 0
345 #define WANOPT_POLL 1
348 #define WANOPT_TTY_SYNC 0
349 #define WANOPT_TTY_ASYNC 1
350 /*----------------------------------------------------------------------------
351 * WAN Link Status Info (for ROUTER_STAT IOCTL).
353 typedef struct wandev_stat
355 unsigned state; /* link state */
356 unsigned ndev; /* number of configured interfaces */
358 /* link/interface configuration */
359 unsigned connection; /* permanent/switched/on-demand */
360 unsigned media_type; /* Frame relay/PPP/X.25/SDLC, etc. */
361 unsigned mtu; /* max. transmit unit for this device */
363 /* physical level statistics */
364 unsigned modem_status; /* modem status */
365 unsigned rx_frames; /* received frames count */
366 unsigned rx_overruns; /* receiver overrun error count */
367 unsigned rx_crc_err; /* receive CRC error count */
368 unsigned rx_aborts; /* received aborted frames count */
369 unsigned rx_bad_length; /* unexpetedly long/short frames count */
370 unsigned rx_dropped; /* frames discarded at device level */
371 unsigned tx_frames; /* transmitted frames count */
372 unsigned tx_underruns; /* aborted transmissions (underruns) count */
373 unsigned tx_timeouts; /* transmission timeouts */
374 unsigned tx_rejects; /* other transmit errors */
376 /* media level statistics */
377 unsigned rx_bad_format; /* frames with invalid format */
378 unsigned rx_bad_addr; /* frames with invalid media address */
379 unsigned tx_retries; /* frames re-transmitted */
380 unsigned reserved[16]; /* reserved for future use */
383 /* 'state' defines */
386 WAN_UNCONFIGURED, /* link/channel is not configured */
387 WAN_DISCONNECTED, /* link/channel is disconnected */
388 WAN_CONNECTING, /* connection is in progress */
389 WAN_CONNECTED, /* link/channel is operational */
390 WAN_LIMIT, /* for verification only */
391 WAN_DUALPORT, /* for Dual Port cards */
393 WAN_FT1_READY /* FT1 Configurator Ready */
403 /* 'modem_status' masks */
404 #define WAN_MODEM_CTS 0x0001 /* CTS line active */
405 #define WAN_MODEM_DCD 0x0002 /* DCD line active */
406 #define WAN_MODEM_DTR 0x0010 /* DTR line active */
407 #define WAN_MODEM_RTS 0x0020 /* RTS line active */
409 /*----------------------------------------------------------------------------
410 * WAN interface (logical channel) configuration (for ROUTER_IFNEW IOCTL).
412 typedef struct wanif_conf
414 unsigned magic; /* magic number */
415 unsigned config_id; /* configuration identifier */
416 char name[WAN_IFNAME_SZ+1]; /* interface name, ASCIIZ */
417 char addr[WAN_ADDRESS_SZ+1]; /* media address, ASCIIZ */
418 char usedby[USED_BY_FIELD]; /* used by API or WANPIPE */
419 unsigned idle_timeout; /* sec, before disconnecting */
420 unsigned hold_timeout; /* sec, before re-connecting */
421 unsigned cir; /* Committed Information Rate fwd,bwd*/
422 unsigned bc; /* Committed Burst Size fwd, bwd */
423 unsigned be; /* Excess Burst Size fwd, bwd */
424 unsigned char enable_IPX; /* Enable or Disable IPX */
425 unsigned char inarp; /* Send Inverse ARP requests Y/N */
426 unsigned inarp_interval; /* sec, between InARP requests */
427 unsigned long network_number; /* Network Number for IPX */
428 char mc; /* Multicast on or off */
429 char local_addr[WAN_ADDRESS_SZ+1];/* local media address, ASCIIZ */
430 unsigned char port; /* board port */
431 unsigned char protocol; /* prococol used in this channel (TCPOX25 or X25) */
432 char pap; /* PAP enabled or disabled */
433 char chap; /* CHAP enabled or disabled */
434 unsigned char userid[511]; /* List of User Id */
435 unsigned char passwd[511]; /* List of passwords */
436 unsigned char sysname[31]; /* Name of the system */
437 unsigned char ignore_dcd; /* Protocol options: */
438 unsigned char ignore_cts; /* Ignore these to determine */
439 unsigned char ignore_keepalive; /* link status (Yes or No) */
440 unsigned char hdlc_streaming; /* Hdlc streaming mode (Y/N) */
441 unsigned keepalive_tx_tmr; /* transmit keepalive timer */
442 unsigned keepalive_rx_tmr; /* receive keepalive timer */
443 unsigned keepalive_err_margin; /* keepalive_error_tolerance */
444 unsigned slarp_timer; /* SLARP request timer */
445 unsigned char ttl; /* Time To Live for UDP security */
446 char interface; /* RS-232/V.35, etc. */
447 char clocking; /* external/internal */
448 unsigned bps; /* data transfer rate */
449 unsigned mtu; /* maximum transmit unit size */
450 unsigned char if_down; /* brind down interface when disconnected */
451 unsigned char gateway; /* Is this interface a gateway */
452 unsigned char true_if_encoding; /* Set the dev->type to true board protocol */
454 unsigned char asy_data_trans; /* async API options */
455 unsigned char rts_hs_for_receive; /* async Protocol options */
456 unsigned char xon_xoff_hs_for_receive;
457 unsigned char xon_xoff_hs_for_transmit;
458 unsigned char dcd_hs_for_transmit;
459 unsigned char cts_hs_for_transmit;
460 unsigned char async_mode;
461 unsigned tx_bits_per_char;
462 unsigned rx_bits_per_char;
464 unsigned char parity;
465 unsigned break_timer;
466 unsigned inter_char_timer;
467 unsigned rx_complete_length;
470 unsigned char receive_only; /* no transmit buffering (Y/N) */
474 /****** Kernel Interface ****************************************************/
476 #include <linux/fs.h> /* support for device drivers */
477 #include <linux/proc_fs.h> /* proc filesystem pragmatics */
478 #include <linux/netdevice.h> /* support for network drivers */
479 /*----------------------------------------------------------------------------
480 * WAN device data space.
482 typedef struct wan_device
484 unsigned magic; /* magic number */
485 char* name; /* -> WAN device name (ASCIIZ) */
486 void* private; /* -> driver private data */
487 unsigned config_id; /* Configuration ID */
488 /****** hardware configuration ******/
489 unsigned ioport; /* adapter I/O port base #1 */
490 char S514_cpu_no[1]; /* PCI CPU Number */
491 unsigned char S514_slot_no; /* PCI Slot Number */
492 unsigned long maddr; /* dual-port memory address */
493 unsigned msize; /* dual-port memory size */
494 int irq; /* interrupt request level */
495 int dma; /* DMA request level */
496 unsigned bps; /* data transfer rate */
497 unsigned mtu; /* max physical transmit unit size */
498 unsigned udp_port; /* UDP port for management */
499 unsigned char ttl; /* Time To Live for UDP security */
500 unsigned enable_tx_int; /* Transmit Interrupt enabled or not */
501 char interface; /* RS-232/V.35, etc. */
502 char clocking; /* external/internal */
503 char line_coding; /* NRZ/NRZI/FM0/FM1, etc. */
504 char station; /* DTE/DCE, primary/secondary, etc. */
505 char connection; /* permanent/switched/on-demand */
506 char signalling; /* Signalling RS232 or V35 */
507 char read_mode; /* read mode: Polling or interrupt */
508 char new_if_cnt; /* Number of interfaces per wanpipe */
509 char del_if_cnt; /* Number of times del_if() gets called */
510 unsigned char piggyback; /* Piggibacking a port */
511 unsigned hw_opt[4]; /* other hardware options */
512 /****** status and statistics *******/
513 char state; /* device state */
514 char api_status; /* device api status */
515 #if defined(LINUX_2_1) || defined(LINUX_2_4)
516 struct net_device_stats stats; /* interface statistics */
518 struct enet_statistics stats; /* interface statistics */
520 unsigned reserved[16]; /* reserved for future use */
521 unsigned long critical; /* critical section flag */
522 spinlock_t lock; /* Support for SMP Locking */
524 /****** device management methods ***/
525 int (*setup) (struct wan_device *wandev, wandev_conf_t *conf);
526 int (*shutdown) (struct wan_device *wandev);
527 int (*update) (struct wan_device *wandev);
528 int (*ioctl) (struct wan_device *wandev, unsigned cmd,
530 int (*new_if) (struct wan_device *wandev, netdevice_t *dev,
532 int (*del_if) (struct wan_device *wandev, netdevice_t *dev);
533 /****** maintained by the router ****/
534 struct wan_device* next; /* -> next device */
535 netdevice_t* dev; /* list of network interfaces */
536 unsigned ndev; /* number of interfaces */
538 struct proc_dir_entry *dent; /* proc filesystem entry */
540 struct proc_dir_entry dent; /* proc filesystem entry */
544 /* Public functions available for device drivers */
545 extern int register_wan_device(wan_device_t *wandev);
546 extern int unregister_wan_device(char *name);
547 unsigned short wanrouter_type_trans(struct sk_buff *skb, netdevice_t *dev);
548 int wanrouter_encapsulate(struct sk_buff *skb, netdevice_t *dev,unsigned short type);
550 /* Proc interface functions. These must not be called by the drivers! */
551 extern int wanrouter_proc_init(void);
552 extern void wanrouter_proc_cleanup(void);
553 extern int wanrouter_proc_add(wan_device_t *wandev);
554 extern int wanrouter_proc_delete(wan_device_t *wandev);
555 extern int wanrouter_ioctl( struct inode *inode, struct file *file, unsigned int cmd, unsigned long arg);
557 extern void lock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);
558 extern void unlock_adapter_irq(spinlock_t *lock, unsigned long *smp_flags);
563 extern wan_device_t *router_devlist; /* list of registered devices */
565 #endif /* __KERNEL__ */
566 #endif /* _ROUTER_H */