File: /usr/include/linux/sdla_fr.h
1 /*****************************************************************************
2 * sdla_fr.h Sangoma frame relay firmware API definitions.
3 *
4 * Author: Gideon Hack
5 * Nenad Corbic <ncorbic@sangoma.com>
6 *
7 * Copyright: (c) 1995-1999 Sangoma Technologies Inc.
8 *
9 * This program is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU General Public License
11 * as published by the Free Software Foundation; either version
12 * 2 of the License, or (at your option) any later version.
13 * ============================================================================
14 * Oct 04, 1999 Gideon Hack Updated API structures
15 * Jun 02, 1999 Gideon Hack Modifications for S514 support
16 * Oct 12, 1997 Jaspreet Singh Added FR_READ_DLCI_IB_MAPPING
17 * Jul 21, 1997 Jaspreet Singh Changed FRRES_TOO_LONG and FRRES_TOO_MANY to
18 * 0x05 and 0x06 respectively.
19 * Dec 23, 1996 Gene Kozin v2.0
20 * Apr 29, 1996 Gene Kozin v1.0 (merged version S502 & S508 definitions).
21 * Sep 26, 1995 Gene Kozin Initial version.
22 *****************************************************************************/
23 #ifndef _SDLA_FR_H
24 #define _SDLA_FR_H
25
26 /*----------------------------------------------------------------------------
27 * Notes:
28 * ------
29 * 1. All structures defined in this file are byte-alined.
30 *
31 * Compiler Platform
32 * -------- --------
33 * GNU C Linux
34 */
35
36 #ifndef PACKED
37 # define PACKED __attribute__((packed))
38 #endif /* PACKED */
39
40 /* Adapter memory layout */
41 #define FR_MB_VECTOR 0xE000 /* mailbox window vector */
42 #define FR502_RX_VECTOR 0xA000 /* S502 direct receive window vector */
43 #define FR502_MBOX_OFFS 0xF60 /* S502 mailbox offset */
44 #define FR508_MBOX_OFFS 0 /* S508 mailbox offset */
45 #define FR502_FLAG_OFFS 0x1FF0 /* S502 status flags offset */
46 #define FR508_FLAG_OFFS 0x1000 /* S508 status flags offset */
47 #define FR502_RXMB_OFFS 0x900 /* S502 direct receive mailbox offset */
48 #define FR508_TXBC_OFFS 0x1100 /* S508 Tx buffer info offset */
49 #define FR508_RXBC_OFFS 0x1120 /* S508 Rx buffer info offset */
50
51 /* Important constants */
52 #define FR502_MAX_DATA 4096 /* maximum data buffer length */
53 #define FR508_MAX_DATA 4080 /* maximum data buffer length */
54 #define MIN_LGTH_FR_DATA_CFG 300 /* min Information frame length
55 (for configuration purposes) */
56 #define FR_MAX_NO_DATA_BYTES_IN_FRAME 15354 /* max Information frame length */
57
58 #define HIGHEST_VALID_DLCI 991
59
60 /****** Data Structures *****************************************************/
61
62 /*----------------------------------------------------------------------------
63 * Frame relay command block.
64 */
65 typedef struct fr_cmd
66 {
67 unsigned char command PACKED; /* command code */
68 unsigned short length PACKED; /* length of data buffer */
69 unsigned char result PACKED; /* return code */
70 unsigned short dlci PACKED; /* DLCI number */
71 unsigned char attr PACKED; /* FECN, BECN, DE and C/R bits */
72 unsigned short rxlost1 PACKED; /* frames discarded at int. level */
73 unsigned long rxlost2 PACKED; /* frames discarded at app. level */
74 unsigned char rsrv[2] PACKED; /* reserved for future use */
75 } fr_cmd_t;
76
77 /* 'command' field defines */
78 #define FR_WRITE 0x01
79 #define FR_READ 0x02
80 #define FR_ISSUE_IS_FRAME 0x03
81 #define FR_SET_CONFIG 0x10
82 #define FR_READ_CONFIG 0x11
83 #define FR_COMM_DISABLE 0x12
84 #define FR_COMM_ENABLE 0x13
85 #define FR_READ_STATUS 0x14
86 #define FR_READ_STATISTICS 0x15
87 #define FR_FLUSH_STATISTICS 0x16
88 #define FR_LIST_ACTIVE_DLCI 0x17
89 #define FR_FLUSH_DATA_BUFFERS 0x18
90 #define FR_READ_ADD_DLC_STATS 0x19
91 #define FR_ADD_DLCI 0x20
92 #define FR_DELETE_DLCI 0x21
93 #define FR_ACTIVATE_DLCI 0x22
94 #define FR_DEACTIVATE_DLCI 0x22
95 #define FR_READ_MODEM_STATUS 0x30
96 #define FR_SET_MODEM_STATUS 0x31
97 #define FR_READ_ERROR_STATS 0x32
98 #define FR_FLUSH_ERROR_STATS 0x33
99 #define FR_READ_DLCI_IB_MAPPING 0x34
100 #define FR_READ_CODE_VERSION 0x40
101 #define FR_SET_INTR_MODE 0x50
102 #define FR_READ_INTR_MODE 0x51
103 #define FR_SET_TRACE_CONFIG 0x60
104 #define FR_FT1_STATUS_CTRL 0x80
105 #define FR_SET_FT1_MODE 0x81
106
107 /* Special UDP drivers management commands */
108 #define FPIPE_ENABLE_TRACING 0x41
109 #define FPIPE_DISABLE_TRACING 0x42
110 #define FPIPE_GET_TRACE_INFO 0x43
111 #define FPIPE_FT1_READ_STATUS 0x44
112 #define FPIPE_DRIVER_STAT_IFSEND 0x45
113 #define FPIPE_DRIVER_STAT_INTR 0x46
114 #define FPIPE_DRIVER_STAT_GEN 0x47
115 #define FPIPE_FLUSH_DRIVER_STATS 0x48
116 #define FPIPE_ROUTER_UP_TIME 0x49
117
118 /* 'result' field defines */
119 #define FRRES_OK 0x00 /* command executed successfully */
120 #define FRRES_DISABLED 0x01 /* communications not enabled */
121 #define FRRES_INOPERATIVE 0x02 /* channel inoperative */
122 #define FRRES_DLCI_INACTIVE 0x03 /* DLCI is inactive */
123 #define FRRES_DLCI_INVALID 0x04 /* DLCI is not configured */
124 #define FRRES_TOO_LONG 0x05
125 #define FRRES_TOO_MANY 0x06
126 #define FRRES_CIR_OVERFLOW 0x07 /* Tx throughput has exceeded CIR */
127 #define FRRES_BUFFER_OVERFLOW 0x08
128 #define FRRES_MODEM_FAILURE 0x10 /* DCD and/or CTS dropped */
129 #define FRRES_CHANNEL_DOWN 0x11 /* channel became inoperative */
130 #define FRRES_CHANNEL_UP 0x12 /* channel became operative */
131 #define FRRES_DLCI_CHANGE 0x13 /* DLCI status (or number) changed */
132 #define FRRES_DLCI_MISMATCH 0x14
133 #define FRRES_INVALID_CMD 0x1F /* invalid command */
134
135 /* 'attr' field defines */
136 #define FRATTR_
137
138 /*----------------------------------------------------------------------------
139 * Frame relay mailbox.
140 * This structure is located at offset FR50?_MBOX_OFFS into FR_MB_VECTOR.
141 * For S502 it is also located at offset FR502_RXMB_OFFS into
142 * FR502_RX_VECTOR.
143 */
144 typedef struct fr_mbox
145 {
146 unsigned char opflag PACKED; /* 00h: execution flag */
147 fr_cmd_t cmd PACKED; /* 01h: command block */
148 unsigned char data[1] PACKED; /* 10h: variable length data buffer */
149 } fr_mbox_t;
150
151 /*----------------------------------------------------------------------------
152 * S502 frame relay status flags.
153 * This structure is located at offset FR502_FLAG_OFFS into FR_MB_VECTOR.
154 */
155 typedef struct fr502_flags
156 {
157 unsigned char rsrv1[1] PACKED; /* 00h: */
158 unsigned char tx_ready PACKED; /* 01h: Tx buffer available */
159 unsigned char rx_ready PACKED; /* 02h: Rx frame available */
160 unsigned char event PACKED; /* 03h: asynchronous event */
161 unsigned char mstatus PACKED; /* 04h: modem status */
162 unsigned char rsrv2[8] PACKED; /* 05h: */
163 unsigned char iflag PACKED; /* 0Dh: interrupt flag */
164 unsigned char imask PACKED; /* 0Eh: interrupt mask */
165 } fr502_flags_t;
166
167 /*----------------------------------------------------------------------------
168 * S508 frame relay status flags.
169 * This structure is located at offset FR508_FLAG_OFFS into FR_MB_VECTOR.
170 */
171 typedef struct fr508_flags
172 {
173 unsigned char rsrv1[3] PACKED; /* 00h: reserved */
174 unsigned char event PACKED; /* 03h: asynchronous event */
175 unsigned char mstatus PACKED; /* 04h: modem status */
176 unsigned char rsrv2[11] PACKED; /* 05h: reserved */
177 unsigned char iflag PACKED; /* 10h: interrupt flag */
178 unsigned char imask PACKED; /* 11h: interrupt mask */
179 unsigned long tse_offs PACKED; /* 12h: Tx status element */
180 unsigned short dlci PACKED; /* 16h: DLCI NUMBER */
181 } fr508_flags_t;
182
183 /* 'event' field defines */
184 #define FR_EVENT_STATUS 0x01 /* channel status change */
185 #define FR_EVENT_DLC_STATUS 0x02 /* DLC status change */
186 #define FR_EVENT_BAD_DLCI 0x04 /* FSR included wrong DLCI */
187 #define FR_EVENT_LINK_DOWN 0x40 /* DCD or CTS low */
188
189 /* 'mstatus' field defines */
190 #define FR_MDM_DCD 0x08 /* mdm_status: DCD */
191 #define FR_MDM_CTS 0x20 /* mdm_status: CTS */
192
193 /* 'iflag' & 'imask' fields defines */
194 #define FR_INTR_RXRDY 0x01 /* Rx ready */
195 #define FR_INTR_TXRDY 0x02 /* Tx ready */
196 #define FR_INTR_MODEM 0x04 /* modem status change (DCD, CTS) */
197 #define FR_INTR_READY 0x08 /* interface command completed */
198 #define FR_INTR_DLC 0x10 /* DLC status change */
199 #define FR_INTR_TIMER 0x20 /* millisecond timer */
200 #define FR_INTR_TX_MULT_DLCIs 0x80 /* Tx interrupt on multiple DLCIs */
201
202
203 /*----------------------------------------------------------------------------
204 * Receive Buffer Configuration Info. S508 only!
205 * This structure is located at offset FR508_RXBC_OFFS into FR_MB_VECTOR.
206 */
207 typedef struct fr_buf_info
208 {
209 unsigned short rse_num PACKED; /* 00h: number of status elements */
210 unsigned long rse_base PACKED; /* 02h: receive status array base */
211 unsigned long rse_next PACKED; /* 06h: next status element */
212 unsigned long buf_base PACKED; /* 0Ah: rotational buffer base */
213 unsigned short reserved PACKED; /* 0Eh: */
214 unsigned long buf_top PACKED; /* 10h: rotational buffer top */
215 } fr_buf_info_t;
216
217 /*----------------------------------------------------------------------------
218 * Buffer Status Element. S508 only!
219 * Array of structures of this type is located at offset defined by the
220 * 'rse_base' field of the frBufInfo_t structure into absolute adapter
221 * memory address space.
222 */
223 typedef struct fr_rx_buf_ctl
224 {
225 unsigned char flag PACKED; /* 00h: ready flag */
226 unsigned short length PACKED; /* 01h: frame length */
227 unsigned short dlci PACKED; /* 03h: DLCI */
228 unsigned char attr PACKED; /* 05h: FECN/BECN/DE/CR */
229 unsigned short tmstamp PACKED; /* 06h: time stamp */
230 unsigned short rsrv[2] PACKED; /* 08h: */
231 unsigned long offset PACKED; /* 0Ch: buffer absolute address */
232 } fr_rx_buf_ctl_t;
233
234 typedef struct fr_tx_buf_ctl
235 {
236 unsigned char flag PACKED; /* 00h: ready flag */
237 unsigned short rsrv0[2] PACKED; /* 01h: */
238 unsigned short length PACKED; /* 05h: frame length */
239 unsigned short dlci PACKED; /* 07h: DLCI */
240 unsigned char attr PACKED; /* 09h: FECN/BECN/DE/CR */
241 unsigned short rsrv1 PACKED; /* 0Ah: */
242 unsigned long offset PACKED; /* 0Ch: buffer absolute address */
243 } fr_tx_buf_ctl_t;
244
245 /*----------------------------------------------------------------------------
246 * Global Configuration Block. Passed to FR_SET_CONFIG command when dlci == 0.
247 */
248 typedef struct fr_conf
249 {
250 unsigned short station PACKED; /* 00h: CPE/Node */
251 unsigned short options PACKED; /* 02h: configuration options */
252 unsigned short kbps PACKED; /* 04h: baud rate in kbps */
253 unsigned short port PACKED; /* 06h: RS-232/V.35 */
254 unsigned short mtu PACKED; /* 08h: max. transmit length */
255 unsigned short t391 PACKED; /* 0Ah: */
256 unsigned short t392 PACKED; /* 0Ch: */
257 unsigned short n391 PACKED; /* 0Eh: */
258 unsigned short n392 PACKED; /* 10h: */
259 unsigned short n393 PACKED; /* 12h: */
260 unsigned short cir_fwd PACKED; /* 14h: */
261 unsigned short bc_fwd PACKED; /* 16h: */
262 unsigned short be_fwd PACKED; /* 18h: */
263 unsigned short cir_bwd PACKED; /* 1Ah: */
264 unsigned short bc_bwd PACKED; /* 1Ch: */
265 unsigned short be_bwd PACKED; /* 1Eh: */
266 unsigned short dlci[0] PACKED; /* 20h: */
267 } fr_conf_t;
268
269 /* 'station_type' defines */
270 #define FRCFG_STATION_CPE 0
271 #define FRCFG_STATION_NODE 1
272
273 /* 'conf_flags' defines */
274 #define FRCFG_IGNORE_TX_CIR 0x0001
275 #define FRCFG_IGNORE_RX_CIR 0x0002
276 #define FRCFG_DONT_RETRANSMIT 0x0004
277 #define FRCFG_IGNORE_CBS 0x0008
278 #define FRCFG_THROUGHPUT 0x0010 /* enable throughput calculation */
279 #define FRCFG_DIRECT_RX 0x0080 /* enable direct receive buffer */
280 #define FRCFG_AUTO_CONFIG 0x8000 /* enable auto DLCI configuration */
281
282 /* 'baud_rate' defines */
283 #define FRCFG_BAUD_1200 12
284 #define FRCFG_BAUD_2400 24
285 #define FRCFG_BAUD_4800 48
286 #define FRCFG_BAUD_9600 96
287 #define FRCFG_BAUD_19200 19
288 #define FRCFG_BAUD_38400 38
289 #define FRCFG_BAUD_56000 56
290 #define FRCFG_BAUD_64000 64
291 #define FRCFG_BAUD_128000 128
292
293 /* 'port_mode' defines */
294 #define FRCFG_MODE_EXT_CLK 0x0000
295 #define FRCFG_MODE_INT_CLK 0x0001
296 #define FRCFG_MODE_V35 0x0000 /* S508 only */
297 #define FRCFG_MODE_RS232 0x0002 /* S508 only */
298
299 /* defines for line tracing */
300
301 /* the line trace status element presented by the frame relay code */
302 typedef struct {
303 unsigned char flag PACKED; /* ready flag */
304 unsigned short length PACKED; /* trace length */
305 unsigned char rsrv0[2] PACKED; /* reserved */
306 unsigned char attr PACKED; /* trace attributes */
307 unsigned short tmstamp PACKED; /* time stamp */
308 unsigned char rsrv1[4] PACKED; /* reserved */
309 unsigned long offset PACKED; /* buffer absolute address */
310 } fr_trc_el_t;
311
312 typedef struct {
313 unsigned char status PACKED; /* status flag */
314 unsigned char data_passed PACKED; /* 0 if no data passed, 1 if */
315 /* data passed */
316 unsigned short length PACKED; /* frame length */
317 unsigned short tmstamp PACKED; /* time stamp */
318 } fpipemon_trc_hdr_t;
319
320 typedef struct {
321 fpipemon_trc_hdr_t fpipemon_trc_hdr PACKED;
322 unsigned char data[FR_MAX_NO_DATA_BYTES_IN_FRAME] PACKED;
323 } fpipemon_trc_t;
324
325 /* bit settings for the 'status' byte - note that bits 1, 2 and 3 are used */
326 /* for returning the number of frames being passed to fpipemon */
327 #define TRC_OUTGOING_FRM 0x01
328 #define TRC_ABORT_ERROR 0x10
329 #define TRC_CRC_ERROR 0x20
330 #define TRC_OVERRUN_ERROR 0x40
331 #define MORE_TRC_DATA 0x80
332
333 #define MAX_FRMS_TRACED 0x07
334
335 #define NO_TRC_ELEMENTS_OFF 0x9000
336 #define BASE_TRC_ELEMENTS_OFF 0x9002
337 #define TRC_ACTIVE 0x01
338 #define FLUSH_TRC_BUFFERS 0x02
339 #define FLUSH_TRC_STATISTICS 0x04
340 #define TRC_SIGNALLING_FRMS 0x10
341 #define TRC_INFO_FRMS 0x20
342 #define ACTIVATE_TRC (TRC_ACTIVE | TRC_SIGNALLING_FRMS | TRC_INFO_FRMS)
343 #define RESET_TRC (FLUSH_TRC_BUFFERS | FLUSH_TRC_STATISTICS)
344
345 /*----------------------------------------------------------------------------
346 * Channel configuration.
347 * This structure is passed to the FR_SET_CONFIG command when dlci != 0.
348 */
349 typedef struct fr_dlc_conf
350 {
351 unsigned short conf_flags PACKED; /* 00h: configuration bits */
352 unsigned short cir_fwd PACKED; /* 02h: */
353 unsigned short bc_fwd PACKED; /* 04h: */
354 unsigned short be_fwd PACKED; /* 06h: */
355 unsigned short cir_bwd PACKED; /* 08h: */
356 unsigned short bc_bwd PACKED; /* 0Ah: */
357 unsigned short be_bwd PACKED; /* 0Ch: */
358 } fr_dlc_conf_t;
359
360 /*----------------------------------------------------------------------------
361 * S502 interrupt mode control block.
362 * This structure is passed to the FR_SET_INTR_FLAGS and returned by the
363 * FR_READ_INTR_FLAGS commands.
364 */
365 typedef struct fr502_intr_ctl
366 {
367 unsigned char mode PACKED; /* 00h: interrupt enable flags */
368 unsigned short tx_len PACKED; /* 01h: required Tx buffer size */
369 } fr502_intr_ctl_t;
370
371 /*----------------------------------------------------------------------------
372 * S508 interrupt mode control block.
373 * This structure is passed to the FR_SET_INTR_FLAGS and returned by the
374 * FR_READ_INTR_FLAGS commands.
375 */
376 typedef struct fr508_intr_ctl
377 {
378 unsigned char mode PACKED; /* 00h: interrupt enable flags */
379 unsigned short tx_len PACKED; /* 01h: required Tx buffer size */
380 unsigned char irq PACKED; /* 03h: IRQ level to activate */
381 unsigned char flags PACKED; /* 04h: ?? */
382 unsigned short timeout PACKED; /* 05h: ms, for timer interrupt */
383 } fr508_intr_ctl_t;
384
385 /*----------------------------------------------------------------------------
386 * Channel status.
387 * This structure is returned by the FR_READ_STATUS command.
388 */
389 typedef struct fr_dlc_Status
390 {
391 unsigned char status PACKED; /* 00h: link/DLCI status */
392 struct
393 {
394 unsigned short dlci PACKED; /* 01h: DLCI number */
395 unsigned char status PACKED; /* 03h: DLCI status */
396 } circuit[1] PACKED;
397 } fr_dlc_status_t;
398
399 /* 'status' defines */
400 #define FR_LINK_INOPER 0x00 /* for global status (DLCI == 0) */
401 #define FR_LINK_OPER 0x01
402 #define FR_DLCI_DELETED 0x01 /* for circuit status (DLCI != 0) */
403 #define FR_DLCI_ACTIVE 0x02
404 #define FR_DLCI_WAITING 0x04
405 #define FR_DLCI_NEW 0x08
406 #define FR_DLCI_REPORT 0x40
407
408 /*----------------------------------------------------------------------------
409 * Global Statistics Block.
410 * This structure is returned by the FR_READ_STATISTICS command when
411 * dcli == 0.
412 */
413 typedef struct fr_link_stat
414 {
415 unsigned short rx_too_long PACKED; /* 00h: */
416 unsigned short rx_dropped PACKED; /* 02h: */
417 unsigned short rx_dropped2 PACKED; /* 04h: */
418 unsigned short rx_bad_dlci PACKED; /* 06h: */
419 unsigned short rx_bad_format PACKED; /* 08h: */
420 unsigned short retransmitted PACKED; /* 0Ah: */
421 unsigned short cpe_tx_FSE PACKED; /* 0Ch: */
422 unsigned short cpe_tx_LIV PACKED; /* 0Eh: */
423 unsigned short cpe_rx_FSR PACKED; /* 10h: */
424 unsigned short cpe_rx_LIV PACKED; /* 12h: */
425 unsigned short node_rx_FSE PACKED; /* 14h: */
426 unsigned short node_rx_LIV PACKED; /* 16h: */
427 unsigned short node_tx_FSR PACKED; /* 18h: */
428 unsigned short node_tx_LIV PACKED; /* 1Ah: */
429 unsigned short rx_ISF_err PACKED; /* 1Ch: */
430 unsigned short rx_unsolicited PACKED; /* 1Eh: */
431 unsigned short rx_SSN_err PACKED; /* 20h: */
432 unsigned short rx_RSN_err PACKED; /* 22h: */
433 unsigned short T391_timeouts PACKED; /* 24h: */
434 unsigned short T392_timeouts PACKED; /* 26h: */
435 unsigned short N392_reached PACKED; /* 28h: */
436 unsigned short cpe_SSN_RSN PACKED; /* 2Ah: */
437 unsigned short current_SSN PACKED; /* 2Ch: */
438 unsigned short current_RSN PACKED; /* 2Eh: */
439 unsigned short curreny_T391 PACKED; /* 30h: */
440 unsigned short current_T392 PACKED; /* 32h: */
441 unsigned short current_N392 PACKED; /* 34h: */
442 unsigned short current_N393 PACKED; /* 36h: */
443 } fr_link_stat_t;
444
445 /*----------------------------------------------------------------------------
446 * DLCI statistics.
447 * This structure is returned by the FR_READ_STATISTICS command when
448 * dlci != 0.
449 */
450 typedef struct fr_dlci_stat
451 {
452 unsigned long tx_frames PACKED; /* 00h: */
453 unsigned long tx_bytes PACKED; /* 04h: */
454 unsigned long rx_frames PACKED; /* 08h: */
455 unsigned long rx_bytes PACKED; /* 0Ch: */
456 unsigned long rx_dropped PACKED; /* 10h: */
457 unsigned long rx_inactive PACKED; /* 14h: */
458 unsigned long rx_exceed_CIR PACKED; /* 18h: */
459 unsigned long rx_DE_set PACKED; /* 1Ch: */
460 unsigned long tx_throughput PACKED; /* 20h: */
461 unsigned long tx_calc_timer PACKED; /* 24h: */
462 unsigned long rx_throughput PACKED; /* 28h: */
463 unsigned long rx_calc_timer PACKED; /* 2Ch: */
464 } fr_dlci_stat_t;
465
466 /*----------------------------------------------------------------------------
467 * Communications error statistics.
468 * This structure is returned by the FR_READ_ERROR_STATS command.
469 */
470 typedef struct fr_comm_stat
471 {
472 unsigned char rx_overruns PACKED; /* 00h: */
473 unsigned char rx_bad_crc PACKED; /* 01h: */
474 unsigned char rx_aborts PACKED; /* 02h: */
475 unsigned char rx_too_long PACKED; /* 03h: */
476 unsigned char tx_aborts PACKED; /* 04h: */
477 unsigned char tx_underruns PACKED; /* 05h: */
478 unsigned char tx_missed_undr PACKED; /* 06h: */
479 unsigned char dcd_dropped PACKED; /* 07h: */
480 unsigned char cts_dropped PACKED; /* 08h: */
481 } fr_comm_stat_t;
482
483 /*----------------------------------------------------------------------------
484 * Defines for the FR_ISSUE_IS_FRAME command.
485 */
486 #define FR_ISF_LVE 2 /* issue Link Verification Enquiry */
487 #define FR_ISF_FSE 3 /* issue Full Status Enquiry */
488
489 /*----------------------------------------------------------------------------
490 * Frame Relay ARP Header -- Used for Dynamic route creation with InvARP
491 */
492
493 typedef struct arphdr_fr
494 {
495 unsigned short ar_hrd PACKED; /* format of hardware addr */
496 unsigned short ar_pro PACKED; /* format of protocol addr */
497 unsigned char ar_hln PACKED; /* length of hardware addr */
498 unsigned char ar_pln PACKED; /* length of protocol addr */
499 unsigned short ar_op PACKED; /* ARP opcode */
500 unsigned short ar_sha PACKED; /* Sender DLCI addr 2 bytes */
501 unsigned long ar_sip PACKED; /* Sender IP addr 4 bytes */
502 unsigned short ar_tha PACKED; /* Target DLCI addr 2 bytes */
503 unsigned long ar_tip PACKED; /* Target IP addr 4 bytes */
504 } arphdr_fr_t;
505
506 /*----------------------------------------------------------------------------
507 * Frame Relay RFC 1490 SNAP Header -- Used to check for ARP packets
508 */
509 typedef struct arphdr_1490
510 {
511 unsigned char control PACKED; /* UI, etc... */
512 unsigned char pad PACKED; /* Pad */
513 unsigned char NLPID PACKED; /* SNAP */
514 unsigned char OUI[3] PACKED; /* Ethertype, etc... */
515 unsigned short PID PACKED; /* ARP, IP, etc... */
516 } arphdr_1490_t;
517
518 /* UDP/IP packet (for UDP management) layout */
519
520 /* The embedded control block for UDP mgmt
521 This is essentially a mailbox structure, without the large data field */
522
523 typedef struct {
524 unsigned char opp_flag PACKED; /* the opp flag */
525 unsigned char command PACKED; /* command code */
526 unsigned short length PACKED; /* length of data buffer */
527 unsigned char result PACKED; /* return code */
528 unsigned short dlci PACKED; /* DLCI number */
529 unsigned char attr PACKED; /* FECN, BECN, DE and C/R bits */
530 unsigned short rxlost1 PACKED; /* frames discarded at int. level */
531 unsigned long rxlost2 PACKED; /* frames discarded at app. level */
532 unsigned char rsrv[2] PACKED; /* reserved for future use */
533 } cblock_t;
534
535
536 /* UDP management packet layout (data area of ip packet) */
537
538 typedef struct {
539 unsigned char control PACKED;
540 unsigned char NLPID PACKED;
541 } fr_encap_hdr_t;
542
543 typedef struct {
544 fr_encap_hdr_t fr_encap_hdr PACKED;
545 ip_pkt_t ip_pkt PACKED;
546 udp_pkt_t udp_pkt PACKED;
547 wp_mgmt_t wp_mgmt PACKED;
548 cblock_t cblock PACKED;
549 unsigned char data[4080] PACKED;
550 } fr_udp_pkt_t;
551
552
553 /* valid ip_protocol for UDP management */
554 #define UDPMGMT_UDP_PROTOCOL 0x11
555
556 #define UDPMGMT_FPIPE_SIGNATURE "FPIPE8ND"
557 #define UDPMGMT_DRVRSTATS_SIGNATURE "DRVSTATS"
558
559 /* values for request/reply byte */
560 #define UDPMGMT_REQUEST 0x01
561 #define UDPMGMT_REPLY 0x02
562 #define UDP_OFFSET 12
563
564 typedef struct {
565 unsigned long if_send_entry;
566 unsigned long if_send_skb_null;
567 unsigned long if_send_broadcast;
568 unsigned long if_send_multicast;
569 unsigned long if_send_critical_ISR;
570 unsigned long if_send_critical_non_ISR;
571 unsigned long if_send_busy;
572 unsigned long if_send_busy_timeout;
573 unsigned long if_send_DRVSTATS_request;
574 unsigned long if_send_FPIPE_request;
575 unsigned long if_send_wan_disconnected;
576 unsigned long if_send_dlci_disconnected;
577 unsigned long if_send_no_bfrs;
578 unsigned long if_send_adptr_bfrs_full;
579 unsigned long if_send_bfrs_passed_to_adptr;
580 unsigned long if_send_consec_send_fail;
581 } drvstats_if_send_t;
582
583 typedef struct {
584 unsigned long rx_intr_no_socket;
585 unsigned long rx_intr_dev_not_started;
586 unsigned long rx_intr_DRVSTATS_request;
587 unsigned long rx_intr_FPIPE_request;
588 unsigned long rx_intr_bfr_not_passed_to_stack;
589 unsigned long rx_intr_bfr_passed_to_stack;
590 } drvstats_rx_intr_t;
591
592 typedef struct {
593 unsigned long UDP_FPIPE_mgmt_kmalloc_err;
594 unsigned long UDP_FPIPE_mgmt_direction_err;
595 unsigned long UDP_FPIPE_mgmt_adptr_type_err;
596 unsigned long UDP_FPIPE_mgmt_adptr_cmnd_OK;
597 unsigned long UDP_FPIPE_mgmt_adptr_cmnd_timeout;
598 unsigned long UDP_FPIPE_mgmt_adptr_send_passed;
599 unsigned long UDP_FPIPE_mgmt_adptr_send_failed;
600 unsigned long UDP_FPIPE_mgmt_not_passed_to_stack;
601 unsigned long UDP_FPIPE_mgmt_passed_to_stack;
602 unsigned long UDP_FPIPE_mgmt_no_socket;
603 unsigned long UDP_DRVSTATS_mgmt_kmalloc_err;
604 unsigned long UDP_DRVSTATS_mgmt_adptr_cmnd_OK;
605 unsigned long UDP_DRVSTATS_mgmt_adptr_cmnd_timeout;
606 unsigned long UDP_DRVSTATS_mgmt_adptr_send_passed;
607 unsigned long UDP_DRVSTATS_mgmt_adptr_send_failed;
608 unsigned long UDP_DRVSTATS_mgmt_not_passed_to_stack;
609 unsigned long UDP_DRVSTATS_mgmt_passed_to_stack;
610 unsigned long UDP_DRVSTATS_mgmt_no_socket;
611 } drvstats_gen_t;
612
613 typedef struct {
614 unsigned char attr PACKED;
615 unsigned short time_stamp PACKED;
616 unsigned char reserved[13] PACKED;
617 } api_rx_hdr_t;
618
619 typedef struct {
620 api_rx_hdr_t api_rx_hdr PACKED;
621 void * data PACKED;
622 } api_rx_element_t;
623
624 typedef struct {
625 unsigned char attr PACKED;
626 unsigned char reserved[15] PACKED;
627 } api_tx_hdr_t;
628
629 typedef struct {
630 api_tx_hdr_t api_tx_hdr PACKED;
631 void * data PACKED;
632 } api_tx_element_t;
633
634 #ifdef _MSC_
635 # pragma pack()
636 #endif
637 #endif /* _SDLA_FR_H */
638
639