include/linux/wanpipe.h

   1 /*****************************************************************************
   2 * wanpipe.h     WANPIPE(tm) Multiprotocol WAN Link Driver.
   3 *               User-level API definitions.
   4 *
   5 * Author:       Nenad Corbic <ncorbic@sangoma.com>
   6 *               Gideon Hack
   7 *
   8 * Copyright:    (c) 1995-2000 Sangoma Technologies Inc.
   9 *
  10 *               This program is free software; you can redistribute it and/or
  11 *               modify it under the terms of the GNU General Public License
  12 *               as published by the Free Software Foundation; either version
  13 *               2 of the License, or (at your option) any later version.
  14 * ============================================================================
  15 * Nov 3,  2000  Nenad Corbic    Added config_id to sdla_t structure.
  16 *                               Used to determine the protocol running.
  17 * Jul 13, 2000  Nenad Corbic    Added SyncPPP Support
  18 * Feb 24, 2000  Nenad Corbic    Added support for x25api driver
  19 * Oct 04, 1999  Nenad Corbic    New CHDLC and FRAME RELAY code, SMP support
  20 * Jun 02, 1999  Gideon Hack     Added 'update_call_count' for Cisco HDLC
  21 *                               support
  22 * Jun 26, 1998  David Fong      Added 'ip_mode' in sdla_t.u.p for dynamic IP
  23 *                               routing mode configuration
  24 * Jun 12, 1998  David Fong      Added Cisco HDLC union member in sdla_t
  25 * Dec 08, 1997  Jaspreet Singh  Added 'authenticator' in union of 'sdla_t'
  26 * Nov 26, 1997  Jaspreet Singh  Added 'load_sharing' structure.  Also added
  27 *                               'devs_struct','dev_to_devtint_next' to 'sdla_t'
  28 * Nov 24, 1997  Jaspreet Singh  Added 'irq_dis_if_send_count',
  29 *                               'irq_dis_poll_count' to 'sdla_t'.
  30 * Nov 06, 1997  Jaspreet Singh  Added a define called 'INTR_TEST_MODE'
  31 * Oct 20, 1997  Jaspreet Singh  Added 'buff_intr_mode_unbusy' and
  32 *                               'dlci_intr_mode_unbusy' to 'sdla_t'
  33 * Oct 18, 1997  Jaspreet Singh  Added structure to maintain global driver
  34 *                               statistics.
  35 * Jan 15, 1997  Gene Kozin      Version 3.1.0
  36 *                                o added UDP management stuff
  37 * Jan 02, 1997  Gene Kozin      Version 3.0.0
  38 *****************************************************************************/
  39 #ifndef _WANPIPE_H
  40 #define _WANPIPE_H
  41
  42 #include <linux/version.h>
  43
  44 #ifndef KERNEL_VERSION
  45   #define KERNEL_VERSION(a,b,c) (((a) << 16) + ((b) << 8) + (c))
  46 #endif
  47
  48 #if LINUX_VERSION_CODE >= KERNEL_VERSION(2,3,0)
  49
  50  #define LINUX_2_4
  51  #define netdevice_t struct net_device
  52
  53  #define FREE_READ 1
  54  #define FREE_WRITE 0
  55
  56  #define stop_net_queue(a)      netif_stop_queue(a)
  57  #define start_net_queue(a)     netif_start_queue(a)
  58  #define is_queue_stopped(a)    netif_queue_stopped(a)
  59  #define wake_net_dev(a)        netif_wake_queue(a)
  60  #define is_dev_running(a)      netif_running(a)
  61  #define wan_dev_kfree_skb(a,b) dev_kfree_skb_any(a)
  62
  63
  64 #elif LINUX_VERSION_CODE >= KERNEL_VERSION(2,1,0)
  65
  66  #define LINUX_2_1
  67  #define netdevice_t struct device
  68  #define FREE_READ 1
  69  #define FREE_WRITE 0
  70
  71  #define stop_net_queue(a)      (set_bit(0, &##a->tbusy))
  72  #define start_net_queue(a)     (clear_bit(0,&##a->tbusy))
  73  #define is_queue_stopped(a)    (##a->tbusy)
  74  #define wake_net_dev(a)        {clear_bit(0,&##a->tbusy);mark_bh(NET_BH);}
  75  #define is_dev_running(a)      (test_bit(0,&##a->start))
  76  #define wan_dev_kfree_skb(a,b) dev_kfree_skb(a)
  77
  78 #else
  79  #define LINUX_2_0
  80  #define netdevice_t struct device
  81
  82  #define test_and_set_bit set_bit
  83  #define net_ratelimit() 1
  84
  85  #define stop_net_queue(a)      (set_bit(0, &##a->tbusy))
  86  #define start_net_queue(a)     (clear_bit(0,&##a->tbusy))
  87  #define is_queue_stopped(a)    (##a->tbusy)
  88  #define wake_net_dev(a)        {clear_bit(0,&##a->tbusy);mark_bh(NET_BH);}
  89  #define is_dev_running(a)      (test_bit(0,(void*)&##a->start))
  90  #define wan_dev_kfree_skb(a,b) dev_kfree_skb(a,b)
  91  #define spin_lock_init(a)
  92  #define spin_lock(a)
  93  #define spin_unlock(a)
  94 #endif
  95
  96 #include <linux/wanrouter.h>
  97
  98 /* Defines */
  99
 100 #ifndef PACKED
 101 #define PACKED  __attribute__((packed))
 102 #endif
 103
 104 #define WANPIPE_MAGIC   0x414C4453L     /* signature: 'SDLA' reversed */
 105
 106 /* IOCTL numbers (up to 16) */
 107 #define WANPIPE_DUMP    (ROUTER_USER+0) /* dump adapter's memory */
 108 #define WANPIPE_EXEC    (ROUTER_USER+1) /* execute firmware command */
 109
 110 #define TRACE_ALL                       0x00
 111 #define TRACE_PROT                      0x01
 112 #define TRACE_DATA                      0x02
 113
 114 /* values for request/reply byte */
 115 #define UDPMGMT_REQUEST 0x01
 116 #define UDPMGMT_REPLY   0x02
 117 #define UDP_OFFSET      12
 118
 119 #define MAX_CMD_BUFF    10
 120 #define MAX_X25_LCN     255     /* Maximum number of x25 channels */
 121 #define MAX_LCN_NUM     4095    /* Maximum lcn number */
 122 #define MAX_FT1_RETRY   100
 123
 124 #ifdef LINUX_2_4
 125   #ifndef AF_WANPIPE
 126         #define AF_WANPIPE 25
 127         #ifndef PF_WANPIPE
 128                 #define PF_WANPIPE AF_WANPIPE
 129         #endif
 130   #endif
 131
 132 #else
 133   #ifndef AF_WANPIPE
 134         #define AF_WANPIPE 24
 135         #ifndef PF_WANPIPE
 136                 #define PF_WANPIPE AF_WANPIPE
 137         #endif
 138   #endif
 139 #endif
 140
 141
 142 #define TX_TIMEOUT 5*HZ
 143
 144 /* General Critical Flags */
 145 #define SEND_CRIT       0x00
 146 #define PERI_CRIT       0x01
 147
 148 /* Chdlc and PPP polling critical flag */
 149 #define POLL_CRIT       0x03
 150
 151 /* Frame Relay Tx IRQ send critical flag */
 152 #define SEND_TXIRQ_CRIT 0x02
 153
 154 /* Frame Relay ARP critical flag */
 155 #define ARP_CRIT        0x03
 156
 157 /* Bit maps for dynamic interface configuration
 158  * DYN_OPT_ON : turns this option on/off
 159  * DEV_DOWN   : device was shutdown by the driver not
 160  *              by user
 161  */
 162 #define DYN_OPT_ON      0x00
 163 #define DEV_DOWN        0x01
 164
 165 /*
 166  * Data structures for IOCTL calls.
 167  */
 168
 169 typedef struct sdla_dump        /* WANPIPE_DUMP */
 170 {
 171         unsigned long magic;    /* for verification */
 172         unsigned long offset;   /* absolute adapter memory address */
 173         unsigned long length;   /* block length */
 174         void* ptr;              /* -> buffer */
 175 } sdla_dump_t;
 176
 177 typedef struct sdla_exec        /* WANPIPE_EXEC */
 178 {
 179         unsigned long magic;    /* for verification */
 180         void* cmd;              /* -> command structure */
 181         void* data;             /* -> data buffer */
 182 } sdla_exec_t;
 183
 184 /* UDP management stuff */
 185
 186 typedef struct wum_header
 187 {
 188         unsigned char signature[8];     /* 00h: signature */
 189         unsigned char type;             /* 08h: request/reply */
 190         unsigned char command;          /* 09h: commnand */
 191         unsigned char reserved[6];      /* 0Ah: reserved */
 192 } wum_header_t;
 193
 194 /*************************************************************************
 195  Data Structure for global statistics
 196 *************************************************************************/
 197
 198 typedef struct global_stats
 199 {
 200         unsigned long isr_entry;
 201         unsigned long isr_already_critical;
 202         unsigned long isr_rx;
 203         unsigned long isr_tx;
 204         unsigned long isr_intr_test;
 205         unsigned long isr_spurious;
 206         unsigned long isr_enable_tx_int;
 207         unsigned long rx_intr_corrupt_rx_bfr;
 208         unsigned long rx_intr_on_orphaned_DLCI;
 209         unsigned long rx_intr_dev_not_started;
 210         unsigned long tx_intr_dev_not_started;
 211         unsigned long poll_entry;
 212         unsigned long poll_already_critical;
 213         unsigned long poll_processed;
 214         unsigned long poll_tbusy_bad_status;
 215         unsigned long poll_host_disable_irq;
 216         unsigned long poll_host_enable_irq;
 217
 218 } global_stats_t;
 219
 220
 221 typedef struct{
 222         unsigned short  udp_src_port            PACKED;
 223         unsigned short  udp_dst_port            PACKED;
 224         unsigned short  udp_length              PACKED;
 225         unsigned short  udp_checksum            PACKED;
 226 } udp_pkt_t;
 227
 228
 229 typedef struct {
 230         unsigned char   ver_inet_hdr_length     PACKED;
 231         unsigned char   service_type            PACKED;
 232         unsigned short  total_length            PACKED;
 233         unsigned short  identifier              PACKED;
 234         unsigned short  flags_frag_offset       PACKED;
 235         unsigned char   ttl                     PACKED;
 236         unsigned char   protocol                PACKED;
 237         unsigned short  hdr_checksum            PACKED;
 238         unsigned long   ip_src_address          PACKED;
 239         unsigned long   ip_dst_address          PACKED;
 240 } ip_pkt_t;
 241
 242
 243 typedef struct {
 244         unsigned char           signature[8]    PACKED;
 245         unsigned char           request_reply   PACKED;
 246         unsigned char           id              PACKED;
 247         unsigned char           reserved[6]     PACKED;
 248 } wp_mgmt_t;
 249
 250 /*************************************************************************
 251  Data Structure for if_send  statistics
 252 *************************************************************************/
 253 typedef struct if_send_stat{
 254         unsigned long if_send_entry;
 255         unsigned long if_send_skb_null;
 256         unsigned long if_send_broadcast;
 257         unsigned long if_send_multicast;
 258         unsigned long if_send_critical_ISR;
 259         unsigned long if_send_critical_non_ISR;
 260         unsigned long if_send_tbusy;
 261         unsigned long if_send_tbusy_timeout;
 262         unsigned long if_send_PIPE_request;
 263         unsigned long if_send_wan_disconnected;
 264         unsigned long if_send_dlci_disconnected;
 265         unsigned long if_send_no_bfrs;
 266         unsigned long if_send_adptr_bfrs_full;
 267         unsigned long if_send_bfr_passed_to_adptr;
 268         unsigned long if_send_protocol_error;
 269         unsigned long if_send_bfr_not_passed_to_adptr;
 270         unsigned long if_send_tx_int_enabled;
 271         unsigned long if_send_consec_send_fail;
 272 } if_send_stat_t;
 273
 274 typedef struct rx_intr_stat{
 275         unsigned long rx_intr_no_socket;
 276         unsigned long rx_intr_dev_not_started;
 277         unsigned long rx_intr_PIPE_request;
 278         unsigned long rx_intr_bfr_not_passed_to_stack;
 279         unsigned long rx_intr_bfr_passed_to_stack;
 280 } rx_intr_stat_t;
 281
 282 typedef struct pipe_mgmt_stat{
 283         unsigned long UDP_PIPE_mgmt_kmalloc_err;
 284         unsigned long UDP_PIPE_mgmt_direction_err;
 285         unsigned long UDP_PIPE_mgmt_adptr_type_err;
 286         unsigned long UDP_PIPE_mgmt_adptr_cmnd_OK;
 287         unsigned long UDP_PIPE_mgmt_adptr_cmnd_timeout;
 288         unsigned long UDP_PIPE_mgmt_adptr_send_passed;
 289         unsigned long UDP_PIPE_mgmt_adptr_send_failed;
 290         unsigned long UDP_PIPE_mgmt_not_passed_to_stack;
 291         unsigned long UDP_PIPE_mgmt_passed_to_stack;
 292         unsigned long UDP_PIPE_mgmt_no_socket;
 293         unsigned long UDP_PIPE_mgmt_passed_to_adptr;
 294 } pipe_mgmt_stat_t;
 295
 296
 297 typedef struct {
 298         struct sk_buff *skb;
 299 } bh_data_t, cmd_data_t;
 300
 301 #define MAX_LGTH_UDP_MGNT_PKT 2000
 302
 303
 304 /* This is used for interrupt testing */
 305 #define INTR_TEST_MODE  0x02
 306
 307 #define WUM_SIGNATURE_L 0x50495046
 308 #define WUM_SIGNATURE_H 0x444E3845
 309
 310 #define WUM_KILL        0x50
 311 #define WUM_EXEC        0x51
 312
 313 #define WANPIPE         0x00
 314 #define API             0x01
 315 #define BRIDGE          0x02
 316 #define BRIDGE_NODE     0x03
 317
 318 #ifdef  __KERNEL__
 319 /****** Kernel Interface ****************************************************/
 320
 321 #include <linux/sdladrv.h>      /* SDLA support module API definitions */
 322 #include <linux/sdlasfm.h>      /* SDLA firmware module definitions */
 323 #include <linux/tqueue.h>
 324 #ifdef LINUX_2_4
 325   #include <linux/serial.h>
 326   #include <linux/serialP.h>
 327   #include <linux/serial_reg.h>
 328   #include <asm/serial.h>
 329 #endif
 330 #include <linux/tty.h>
 331 #include <linux/tty_driver.h>
 332 #include <linux/tty_flip.h>
 333
 334
 335 #define is_digit(ch) (((ch)>=(unsigned)'0'&&(ch)<=(unsigned)'9')?1:0)
 336 #define is_alpha(ch) ((((ch)>=(unsigned)'a'&&(ch)<=(unsigned)'z')||\
 337                   ((ch)>=(unsigned)'A'&&(ch)<=(unsigned)'Z'))?1:0)
 338 #define is_hex_digit(ch) ((((ch)>=(unsigned)'0'&&(ch)<=(unsigned)'9')||\
 339                   ((ch)>=(unsigned)'a'&&(ch)<=(unsigned)'f')||\
 340                   ((ch)>=(unsigned)'A'&&(ch)<=(unsigned)'F'))?1:0)
 341
 342
 343 /****** Data Structures *****************************************************/
 344
 345 /* Adapter Data Space.
 346  * This structure is needed because we handle multiple cards, otherwise
 347  * static data would do it.
 348  */
 349 typedef struct sdla
 350 {
 351         char devname[WAN_DRVNAME_SZ+1]; /* card name */
 352         sdlahw_t hw;                    /* hardware configuration */
 353         wan_device_t wandev;            /* WAN device data space */
 354
 355         unsigned open_cnt;              /* number of open interfaces */
 356         unsigned long state_tick;       /* link state timestamp */
 357         unsigned intr_mode;             /* Type of Interrupt Mode */
 358         char in_isr;                    /* interrupt-in-service flag */
 359         char buff_int_mode_unbusy;      /* flag for carrying out dev_tint */
 360         char dlci_int_mode_unbusy;      /* flag for carrying out dev_tint */
 361         char configured;                /* flag for previous configurations */
 362
 363         unsigned short irq_dis_if_send_count; /* Disabling irqs in if_send*/
 364         unsigned short irq_dis_poll_count;   /* Disabling irqs in poll routine*/
 365         unsigned short force_enable_irq;
 366         char TracingEnabled;            /* flag for enabling trace */
 367         global_stats_t statistics;      /* global statistics */
 368         void* mbox;                     /* -> mailbox */
 369         void* rxmb;                     /* -> receive mailbox */
 370         void* flags;                    /* -> adapter status flags */
 371         void (*isr)(struct sdla* card); /* interrupt service routine */
 372         void (*poll)(struct sdla* card); /* polling routine */
 373         int (*exec)(struct sdla* card, void* u_cmd, void* u_data);
 374                                         /* Used by the listen() system call */
 375         /* Wanpipe Socket Interface */
 376         int   (*func) (struct sk_buff *, struct sock *);
 377         struct sock *sk;
 378
 379         /* Shutdown function */
 380         void (*disable_comm) (struct sdla *card);
 381
 382         /* Secondary Port Device: Piggibacking */
 383         struct sdla *next;
 384
 385         /* TTY driver variables */
 386         unsigned char tty_opt;
 387         struct tty_struct *tty;
 388         unsigned int tty_minor;
 389         unsigned int tty_open;
 390         unsigned char *tty_buf;
 391         unsigned char *tty_rx;
 392         struct tq_struct tty_task_queue;
 393
 394         union
 395         {
 396                 struct
 397                 {                       /****** X.25 specific data **********/
 398                         u32 lo_pvc;
 399                         u32 hi_pvc;
 400                         u32 lo_svc;
 401                         u32 hi_svc;
 402                         netdevice_t *svc_to_dev_map[MAX_X25_LCN];
 403                         netdevice_t *pvc_to_dev_map[MAX_X25_LCN];
 404                         netdevice_t *tx_dev;
 405                         netdevice_t *cmd_dev;
 406                         u32 no_dev;
 407                         volatile u8 *hdlc_buf_status;
 408                         u32 tx_interrupts_pending;
 409                         u16 timer_int_enabled;
 410                         netdevice_t *poll_device;
 411                         atomic_t command_busy;
 412
 413                         u16 udp_pkt_lgth;
 414                         u32 udp_type;
 415                         u8  udp_pkt_src;
 416                         u32 udp_lcn;
 417                         netdevice_t * udp_dev;
 418                         s8 udp_pkt_data[MAX_LGTH_UDP_MGNT_PKT];
 419
 420                         u8 LAPB_hdlc;           /* Option to turn off X25 and run only LAPB */
 421                         u8 logging;             /* Option to log call messages */
 422                         u8 oob_on_modem;        /* Option to send modem status to the api */
 423                         u16 num_of_ch;          /* Number of channels configured by the user */
 424
 425                         struct tq_struct x25_poll_task;
 426                         struct timer_list x25_timer;
 427                 } x;
 428                 struct
 429                 {                       /****** frame relay specific data ***/
 430                         void* rxmb_base;        /* -> first Rx buffer */
 431                         void* rxmb_last;        /* -> last Rx buffer */
 432                         unsigned rx_base;       /* S508 receive buffer base */
 433                         unsigned rx_top;        /* S508 receive buffer end */
 434                         unsigned short node_dlci[100];
 435                         unsigned short dlci_num;
 436                         netdevice_t *dlci_to_dev_map[991 + 1];
 437                         unsigned tx_interrupts_pending;
 438                         unsigned short timer_int_enabled;
 439                         unsigned short udp_pkt_lgth;
 440                         int udp_type;
 441                         char udp_pkt_src;
 442                         unsigned udp_dlci;
 443                         char udp_pkt_data[MAX_LGTH_UDP_MGNT_PKT];
 444                         void* trc_el_base;                      /* first trace element */
 445                         void* trc_el_last;                      /* last trace element */
 446                         void *curr_trc_el;                      /* current trace element */
 447                         unsigned short trc_bfr_space;           /* trace buffer space */
 448                         unsigned char  update_comms_stats;
 449                         netdevice_t *arp_dev;
 450                         spinlock_t if_send_lock;
 451                 } f;
 452                 struct                  /****** PPP-specific data ***********/
 453                 {
 454                         char if_name[WAN_IFNAME_SZ+1];  /* interface name */
 455                         void* txbuf;            /* -> current Tx buffer */
 456                         void* txbuf_base;       /* -> first Tx buffer */
 457                         void* txbuf_last;       /* -> last Tx buffer */
 458                         void* rxbuf_base;       /* -> first Rx buffer */
 459                         void* rxbuf_last;       /* -> last Rx buffer */
 460                         unsigned rx_base;       /* S508 receive buffer base */
 461                         unsigned rx_top;        /* S508 receive buffer end */
 462                         char ip_mode;           /* STATIC/HOST/PEER IP Mode */
 463                         char authenticator;     /* Authenticator for PAP/CHAP */
 464                         unsigned char comm_enabled; /* Is comm enabled or not */
 465                         unsigned char peer_route;   /* Process Peer Route */
 466                         unsigned long *txbuf_next;  /* Next Tx buffer to use */
 467                         unsigned long *rxbuf_next;  /* Next Rx buffer to use */
 468                 } p;
 469                 struct                  /* Cisco HDLC-specific data */
 470                 {
 471                         char if_name[WAN_IFNAME_SZ+1];  /* interface name */
 472                         unsigned char comm_port;/* Communication Port O or 1 */
 473                         unsigned char usedby;  /* Used by WANPIPE or API */
 474                         void* rxmb;             /* Receive mail box */
 475                         void* flags;            /* flags */
 476                         void* tx_status;        /* Tx status element */
 477                         void* rx_status;        /* Rx status element */
 478                         void* txbuf;            /* -> current Tx buffer */
 479                         void* txbuf_base;       /* -> first Tx buffer */
 480                         void* txbuf_last;       /* -> last Tx buffer */
 481                         void* rxbuf_base;       /* -> first Rx buffer */
 482                         void* rxbuf_last;       /* -> last Rx buffer */
 483                         unsigned rx_base;       /* S508 receive buffer base */
 484                         unsigned rx_top;        /* S508 receive buffer end */
 485                         unsigned char receive_only; /* high speed receivers */
 486                         unsigned short protocol_options;
 487                         unsigned short kpalv_tx;        /* Tx kpalv timer */
 488                         unsigned short kpalv_rx;        /* Rx kpalv timer */
 489                         unsigned short kpalv_err;       /* Error tolerance */
 490                         unsigned short slarp_timer;     /* SLARP req timer */
 491                         unsigned state;                 /* state of the link */
 492                         unsigned char api_status;
 493                         unsigned char update_call_count;
 494                         unsigned short api_options;     /* for async config */
 495                         unsigned char  async_mode;
 496                         unsigned short tx_bits_per_char;
 497                         unsigned short rx_bits_per_char;
 498                         unsigned short stop_bits;
 499                         unsigned short parity;
 500                         unsigned short break_timer;
 501                         unsigned short inter_char_timer;
 502                         unsigned short rx_complete_length;
 503                         unsigned short xon_char;
 504                         unsigned short xoff_char;
 505                         unsigned char comm_enabled; /* Is comm enabled or not */
 506                         unsigned char backup;
 507                 } c;
 508                 struct
 509                 {
 510                         void* tx_status;        /* Tx status element */
 511                         void* rx_status;        /* Rx status element */
 512                         void* trace_status;     /* Trace status element */
 513                         void* txbuf;            /* -> current Tx buffer */
 514                         void* txbuf_base;       /* -> first Tx buffer */
 515                         void* txbuf_last;       /* -> last Tx buffer */
 516                         void* rxbuf_base;       /* -> first Rx buffer */
 517                         void* rxbuf_last;       /* -> last Rx buffer */
 518                         void* tracebuf;         /* -> current Trace buffer */
 519                         void* tracebuf_base;    /* -> current Trace buffer */
 520                         void* tracebuf_last;    /* -> current Trace buffer */
 521                         unsigned rx_base;       /* receive buffer base */
 522                         unsigned rx_end;        /* receive buffer end */
 523                         unsigned trace_base;    /* trace buffer base */
 524                         unsigned trace_end;     /* trace buffer end */
 525
 526                 } h;
 527         } u;
 528 } sdla_t;
 529
 530 /****** Public Functions ****************************************************/
 531
 532 void wanpipe_open      (sdla_t* card);                  /* wpmain.c */
 533 void wanpipe_close     (sdla_t* card);                  /* wpmain.c */
 534 void wanpipe_set_state (sdla_t* card, int state);       /* wpmain.c */
 535
 536 int wpx_init (sdla_t* card, wandev_conf_t* conf);       /* wpx.c */
 537 int wpf_init (sdla_t* card, wandev_conf_t* conf);       /* wpf.c */
 538 int wpp_init (sdla_t* card, wandev_conf_t* conf);       /* wpp.c */
 539 int wpc_init (sdla_t* card, wandev_conf_t* conf); /* Cisco HDLC */
 540 int bsc_init (sdla_t* card, wandev_conf_t* conf);       /* BSC streaming */
 541 int hdlc_init(sdla_t* card, wandev_conf_t* conf);       /* HDLC support */
 542 int wpft1_init (sdla_t* card, wandev_conf_t* conf);     /* FT1 Config support */
 543 int wsppp_init (sdla_t* card, wandev_conf_t* conf);     /* Sync PPP on top of RAW CHDLC */
 544
 545 extern sdla_t * wanpipe_find_card(char *);
 546 extern sdla_t * wanpipe_find_card_num (int);
 547
 548 extern void wanpipe_queue_tq (struct tq_struct *);
 549 extern void wanpipe_mark_bh (void);
 550 extern void wakeup_sk_bh (netdevice_t *);
 551 extern int change_dev_flags (netdevice_t *, unsigned);
 552 extern unsigned long get_ip_address (netdevice_t *dev, int option);
 553 extern void add_gateway(sdla_t *, netdevice_t *);
 554
 555
 556 #endif  /* __KERNEL__ */
 557 #endif  /* _WANPIPE_H */
 558