1 /*	$NetBSD: i82586reg.h,v 1.13 2008/04/28 20:23:50 martin Exp $	*/
2 
3 /*-
4  * Copyright (c) 1998 The NetBSD Foundation, Inc.
5  * All rights reserved.
6  *
7  * This code is derived from software contributed to The NetBSD Foundation
8  * by Paul Kranenburg.
9  *
10  * Redistribution and use in source and binary forms, with or without
11  * modification, are permitted provided that the following conditions
12  * are met:
13  * 1. Redistributions of source code must retain the above copyright
14  *    notice, this list of conditions and the following disclaimer.
15  * 2. Redistributions in binary form must reproduce the above copyright
16  *    notice, this list of conditions and the following disclaimer in the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 /*-
33  * Copyright (c) 1992, University of Vermont and State Agricultural College.
34  * Copyright (c) 1992, Garrett A. Wollman.
35  * All rights reserved.
36  *
37  * Redistribution and use in source and binary forms, with or without
38  * modification, are permitted provided that the following conditions
39  * are met:
40  * 1. Redistributions of source code must retain the above copyright
41  *    notice, this list of conditions and the following disclaimer.
42  * 2. Redistributions in binary form must reproduce the above copyright
43  *    notice, this list of conditions and the following disclaimer in the
44  *    documentation and/or other materials provided with the distribution.
45  * 3. All advertising materials mentioning features or use of this software
46  *    must display the following acknowledgement:
47  *	This product includes software developed by the University of
48  *	Vermont and State Agricultural College and Garrett A. Wollman.
49  * 4. Neither the name of the University nor the name of the author
50  *    may be used to endorse or promote products derived from this software
51  *    without specific prior written permission.
52  *
53  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
54  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
55  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
56  * ARE DISCLAIMED.  IN NO EVENT SHALL THE UNIVERSITY OR AUTHOR BE LIABLE
57  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
58  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
59  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
60  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
61  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
62  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
63  * SUCH DAMAGE.
64  */
65 
66 /*
67  * Intel 82586 Ethernet chip
68  * Register, bit, and structure definitions.
69  *
70  * Written by GAW with reference to the Clarkson Packet Driver code for this
71  * chip written by Russ Nelson and others.
72  */
73 
74 /*
75  * NOTE, the structure definitions in here are for reference only.
76  * We use integer offsets exclusively to access the i82586 data structures.
77  */
78 
79 /*
80  * The i82596 has a hardware port that can be used to command the
81  * chip to perform special functions.  For all but IE_PORT_RESET,
82  * a 16-byte aligned memory address is ORed into the port command.
83  */
84 #define IE_PORT_RESET		0x00	/* software reset */
85 #define IE_PORT_SELF_TEST	0x01	/* self-test */
86 #define IE_PORT_ALT_SCP		0x02	/* set alternate SCP address */
87 #define IE_PORT_DUMP		0x03	/* dump state */
88 
89 /*
90  * This is the master configuration block.
91  * It tells the hardware where all the rest of the stuff is.
92  *-
93 struct __ie_sys_conf_ptr {
94 	u_int16_t	mbz;			// must be zero
95 	u_int8_t	ie_bus_use;		// true if 8-bit only
96 	u_int8_t	mbz2[5];		// must be zero
97 	u_int32_t	ie_iscp_ptr;		// 24-bit physaddr of ISCP
98 };
99  */
100 #define IE_SCP_SZ		12
101 #define IE_SCP_BUS_USE(base)	((base) + 2)
102 #define IE_SCP_ISCP(base)	((base) + 8)
103 
104 /*
105  * SYSBUS byte flags.  Most are specific to the i82596, and so
106  * far we always run an i82596 in i82586-compatible mode.
107  */
108 #define IE_SYSBUS_16BIT		(0x0 << 0)
109 #define IE_SYSBUS_8BIT		(0x1 << 0)
110 #define IE_SYSBUS_596_82586	(0x0 << 1)
111 #define IE_SYSBUS_596_32SEG	(0x1 << 1)
112 #define IE_SYSBUS_596_LINEAR	(0x2 << 1)
113 #define IE_SYSBUS_596_TRGINT	(0x0 << 3)
114 #define IE_SYSBUS_596_TRGEXT	(0x1 << 3)
115 #define IE_SYSBUS_596_NOLOCK	(0x0 << 4)
116 #define IE_SYSBUS_596_LOCK	(0x1 << 4)
117 #define IE_SYSBUS_596_INTHIGH	(0x0 << 4)
118 #define IE_SYSBUS_596_INTLOW	(0x1 << 5)
119 #define IE_SYSBUS_596_RSVD_SET	(0x1 << 6)
120 #define IE_SYSBUS_596_LE	(0x0 << 7)
121 #define IE_SYSBUS_596_BE	(0x1 << 7)
122 
123 /*
124  * Note that this is wired in hardware; the SCP is always located here, no
125  * matter what.
126  */
127 #define IE_SCP_ADDR 0xfffff4
128 
129 /*
130  * The tells the hardware where all the rest of the stuff is, too.
131  * FIXME: some of these should be re-commented after we figure out their
132  * REAL function.
133  *-
134 struct __ie_int_sys_conf_ptr {
135 	u_int8_t	ie_busy;	// zeroed after init
136 	u_int8_t	mbz;
137 	u_int16_t	ie_scb_offset;	// 16-bit physaddr of next struct
138 	void *		ie_base;	// 24-bit physaddr for all 16-bit vars
139 };
140  */
141 #define IE_ISCP_SZ		8
142 #define IE_ISCP_BUSY(base)	((base) + 0)
143 #define IE_ISCP_SCB(base)	((base) + 2)
144 #define IE_ISCP_BASE(base)	((base) + 4)
145 
146 /*
147  * This FINALLY tells the hardware what to do and where to put it.
148  *-
149 struct __ie_sys_ctl_block {
150 	u_int16_t ie_status;		// status word
151 	u_int16_t ie_command;		// command word
152 	u_int16_t ie_command_list;	// 16-pointer to command block list
153 	u_int16_t ie_recv_list;		// 16-pointer to receive frame list
154 	u_int16_t ie_err_crc;		// CRC errors
155 	u_int16_t ie_err_align;		// Alignment errors
156 	u_int16_t ie_err_resource;	// Resource errors
157 	u_int16_t ie_err_overrun;	// Overrun errors
158 };
159  */
160 #define IE_SCB_SZ		16
161 #define IE_SCB_STATUS(base)	((base) + 0)
162 #define IE_SCB_CMD(base)	((base) + 2)
163 #define IE_SCB_CMDLST(base)	((base) + 4)
164 #define IE_SCB_RCVLST(base)	((base) + 6)
165 #define IE_SCB_ERRCRC(base)	((base) + 8)
166 #define IE_SCB_ERRALN(base)	((base) + 10)
167 #define IE_SCB_ERRRES(base)	((base) + 12)
168 #define IE_SCB_ERROVR(base)	((base) + 14)
169 
170 /* Command values */
171 #define IE_RUC_MASK	0x0070	/* mask for RU command */
172 #define IE_RUC_NOP	0	/* for completeness */
173 #define IE_RUC_START	0x0010	/* start receive unit command */
174 #define IE_RUC_RESUME	0x0020	/* resume a suspended receiver command */
175 #define IE_RUC_SUSPEND	0x0030	/* suspend receiver command */
176 #define IE_RUC_ABORT	0x0040	/* abort current receive operation */
177 
178 #define IE_CUC_MASK	0x0700	/* mask for CU command */
179 #define IE_CUC_NOP	0	/* included for completeness */
180 #define IE_CUC_START	0x0100	/* do-command command */
181 #define IE_CUC_RESUME	0x0200	/* resume a suspended cmd list */
182 #define IE_CUC_SUSPEND	0x0300	/* suspend current command */
183 #define IE_CUC_ABORT	0x0400	/* abort current command */
184 
185 #define IE_ACK_COMMAND	0xf000	/* mask for ACK command */
186 #define IE_ACK_CX	0x8000	/* ack IE_ST_CX */
187 #define IE_ACK_FR	0x4000	/* ack IE_ST_FR */
188 #define IE_ACK_CNA	0x2000	/* ack IE_ST_CNA */
189 #define IE_ACK_RNR	0x1000	/* ack IE_ST_RNR */
190 
191 #define IE_ACTION_COMMAND(x) (((x) & IE_CUC_MASK) == IE_CUC_START)
192 				/* is this command an action command? */
193 
194 /* Status values */
195 #define IE_ST_WHENCE	0xf000	/* mask for cause of interrupt */
196 #define IE_ST_CX	0x8000	/* command with I bit completed */
197 #define IE_ST_FR	0x4000	/* frame received */
198 #define IE_ST_CNA	0x2000	/* all commands completed */
199 #define IE_ST_RNR	0x1000	/* receive not ready */
200 
201 #define IE_CUS_MASK	0x0700	/* mask for command unit status */
202 #define IE_CUS_ACTIVE	0x0200	/* command unit is active */
203 #define IE_CUS_SUSPEND	0x0100	/* command unit is suspended */
204 
205 #define IE_RUS_MASK	0x0070	/* mask for receiver unit status */
206 #define IE_RUS_SUSPEND	0x0010	/* receiver is suspended */
207 #define IE_RUS_NOSPACE	0x0020	/* receiver has no resources */
208 #define IE_RUS_READY	0x0040	/* receiver is ready */
209 
210 /*
211  * This is filled in partially by the chip, partially by us.
212  *-
213 struct __ie_recv_frame_desc {
214 	u_int16_t	ie_fd_status;	// status for this frame
215 	u_int16_t	ie_fd_last;	// end of frame list flag
216 	u_int16_t	ie_fd_next;	// 16-pointer to next RFD
217 	u_int16_t	ie_fd_buf_desc;	// 16-pointer to list of buffer descs
218 	struct __ie_en_addr dest;	// destination ether
219 	struct __ie_en_addr src;	// source ether
220 	u_int16_t	ie_length;	// 802 length/Ether type
221 	u_short		mbz;		// must be zero
222 };
223  */
224 #define IE_RFRAME_SZ			24
225 #define IE_RFRAME_ADDR(base,i)		((base) + (i) * IE_RFRAME_SZ)
226 #define IE_RFRAME_STATUS(b,i)		(IE_RFRAME_ADDR(b,i) + 0)
227 #define IE_RFRAME_LAST(b,i)		(IE_RFRAME_ADDR(b,i) + 2)
228 #define IE_RFRAME_NEXT(b,i)		(IE_RFRAME_ADDR(b,i) + 4)
229 #define IE_RFRAME_BUFDESC(b,i)		(IE_RFRAME_ADDR(b,i) + 6)
230 #define IE_RFRAME_EDST(b,i)		(IE_RFRAME_ADDR(b,i) + 8)
231 #define IE_RFRAME_ESRC(b,i)		(IE_RFRAME_ADDR(b,i) + 14)
232 #define IE_RFRAME_ELEN(b,i)		(IE_RFRAME_ADDR(b,i) + 20)
233 
234 /* "last" bits */
235 #define IE_FD_EOL	0x8000	/* last rfd in list */
236 #define IE_FD_SUSP	0x4000	/* suspend RU after receipt */
237 
238 /* status field bits */
239 #define IE_FD_COMPLETE	0x8000	/* frame is complete */
240 #define IE_FD_BUSY	0x4000	/* frame is busy */
241 #define IE_FD_OK	0x2000	/* frame is ok */
242 #define IE_FD_CRC	0x0800	/* CRC error */
243 #define IE_FD_ALGN	0x0400	/* Alignment error */
244 #define IE_FD_RNR	0x0200	/* receiver out of resources here */
245 #define IE_FD_OVR	0x0100	/* DMA overrun */
246 #define IE_FD_SHORT	0x0080	/* Short frame */
247 #define IE_FD_NOEOF	0x0040	/* no EOF (?) */
248 #define IE_FD_ERRMASK		/* all error bits */ \
249 	(IE_FD_CRC|IE_FD_ALGN|IE_FD_RNR|IE_FD_OVR|IE_FD_SHORT|IE_FD_NOEOF)
250 #define IE_FD_STATUSBITS	\
251 	"\20\20COMPLT\17BUSY\16OK\14CRC\13ALGN\12RNR\11OVR\10SHORT\7NOEOF"
252 
253 /*
254  * linked list of buffers...
255  *-
256 struct __ie_recv_buf_desc {
257 	u_int16_t	ie_rbd_status;	// status for this buffer
258 	u_int16_t	ie_rbd_next;	// 16-pointer to next RBD
259 	void *		ie_rbd_buffer;	// 24-pointer to buffer for this RBD
260 	u_int16_t	ie_rbd_length;	// length of the buffer
261 	u_int16_t	mbz;		// must be zero
262 };
263  */
264 #define IE_RBD_SZ			12
265 #define IE_RBD_ADDR(base,i)		((base) + (i) * IE_RBD_SZ)
266 #define IE_RBD_STATUS(b,i)		(IE_RBD_ADDR(b,i) + 0)
267 #define IE_RBD_NEXT(b,i)		(IE_RBD_ADDR(b,i) + 2)
268 #define IE_RBD_BUFADDR(b,i)		(IE_RBD_ADDR(b,i) + 4)
269 #define IE_RBD_BUFLEN(b,i)		(IE_RBD_ADDR(b,i) + 8)
270 
271 /* RBD status fields */
272 #define IE_RBD_LAST	0x8000		/* last buffer */
273 #define IE_RBD_USED	0x4000		/* this buffer has data */
274 #define IE_RBD_CNTMASK	0x3fff		/* byte count of buffer data */
275 
276 /* RDB `End Of List' flag; encoded in `buffer length' field */
277 #define IE_RBD_EOL	0x8000		/* last buffer */
278 
279 
280 /*
281  * All commands share this in common.
282  *-
283 struct __ie_cmd_common {
284 	u_int16_t ie_cmd_status;	// status of this command
285 	u_int16_t ie_cmd_cmd;		// command word
286 	u_int16_t ie_cmd_link;		// link to next command
287 };
288  */
289 #define IE_CMD_COMMON_SZ		6
290 #define IE_CMD_COMMON_STATUS(base)	((base) + 0)
291 #define IE_CMD_COMMON_CMD(base)		((base) + 2)
292 #define IE_CMD_COMMON_LINK(base)	((base) + 4)
293 
294 #define IE_STAT_COMPL	0x8000	/* command is completed */
295 #define IE_STAT_BUSY	0x4000	/* command is running now */
296 #define IE_STAT_OK	0x2000	/* command completed successfully */
297 #define IE_STAT_ABORT	0x1000  /* command was aborted */
298 
299 #define IE_CMD_NOP	0x0000	/* NOP */
300 #define IE_CMD_IASETUP	0x0001	/* initial address setup */
301 #define IE_CMD_CONFIG	0x0002	/* configure command */
302 #define IE_CMD_MCAST	0x0003	/* multicast setup command */
303 #define IE_CMD_XMIT	0x0004	/* transmit command */
304 #define IE_CMD_TDR	0x0005	/* time-domain reflectometer command */
305 #define IE_CMD_DUMP	0x0006	/* dump command */
306 #define IE_CMD_DIAGNOSE	0x0007	/* diagnostics command */
307 
308 #define IE_CMD_LAST	0x8000	/* this is the last command in the list */
309 #define IE_CMD_SUSPEND	0x4000	/* suspend CU after this command */
310 #define IE_CMD_INTR	0x2000	/* post an interrupt after completion */
311 
312 /*
313  * No-op commands; just like COMMON but "indexable"
314  */
315 #define IE_CMD_NOP_SZ			IE_CMD_COMMON_SZ
316 #define IE_CMD_NOP_ADDR(base,i)		((base) + (i) * IE_CMD_NOP_SZ)
317 #define IE_CMD_NOP_STATUS(b,i)		(IE_CMD_NOP_ADDR(b,i) + 0)
318 #define IE_CMD_NOP_CMD(b,i)		(IE_CMD_NOP_ADDR(b,i) + 2)
319 #define IE_CMD_NOP_LINK(b,i)		(IE_CMD_NOP_ADDR(b,i) + 4)
320 
321 
322 /*
323  * This is the command to transmit a frame.
324  *-
325 struct __ie_xmit_cmd {
326 	struct __ie_cmd_common	com;		// common part
327 #define __ie_xmit_status	com.ie_cmd_status
328 
329 	u_int16_t	ie_xmit_desc;		// pointer to buffer descriptor
330 	struct __ie_en_addr ie_xmit_addr;	// destination address
331 	u_int16_t	ie_xmit_length;		// 802.3 length/Ether type field
332 };
333  */
334 #define IE_CMD_XMIT_SZ			(IE_CMD_COMMON_SZ + 10)
335 #define IE_CMD_XMIT_ADDR(base,i)	((base) + (i) * IE_CMD_XMIT_SZ)
336 #define IE_CMD_XMIT_STATUS(b,i)		\
337 	(IE_CMD_XMIT_ADDR(b,i) + 0)	/* == CMD_COMMON_STATUS */
338 #define IE_CMD_XMIT_CMD(b,i)		\
339 	(IE_CMD_XMIT_ADDR(b,i) + 2)	/* == CMD_COMMON_CMD */
340 #define IE_CMD_XMIT_LINK(b,i)		\
341 	(IE_CMD_XMIT_ADDR(b,i) + 4)	/* == CMD_COMMON_LINK */
342 #define IE_CMD_XMIT_DESC(b,i)		\
343 	(IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 0)
344 #define IE_CMD_XMIT_EADDR(b,i)		\
345 	(IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 2)
346 #define IE_CMD_XMIT_LEN(b,i)		\
347 	(IE_CMD_XMIT_ADDR(b,i) + IE_CMD_COMMON_SZ + 8)
348 
349 #define IE_XS_MAXCOLL  	0x000f	/* number of collisions during transmit */
350 #define IE_XS_EXCMAX	0x0020	/* exceeded maximum number of collisions */
351 #define IE_XS_SQE	0x0040	/* SQE positive */
352 #define IE_XS_DEFERRED	0x0080	/* transmission deferred */
353 #define IE_XS_UNDERRUN	0x0100	/* DMA underrun */
354 #define IE_XS_LOSTCTS	0x0200	/* Lost CTS */
355 #define IE_XS_NOCARRIER	0x0400	/* No Carrier */
356 #define	IE_XS_LATECOLL	0x0800	/* Late collision */
357 
358 /*
359  * This is a buffer descriptor for a frame to be transmitted.
360  *-
361 struct __ie_xmit_buf {
362 	u_int16_t ie_xmit_flags;	// see below
363 	u_int16_t ie_xmit_next;		// 16-pointer to next desc
364 	void *ie_xmit_buf;		// 24-pointer to the actual buffer
365 };
366  */
367 #define IE_XBD_SZ			8
368 #define IE_XBD_ADDR(base,i)		((base) + (i) * IE_XBD_SZ)
369 #define IE_XBD_FLAGS(b,i)		(IE_XBD_ADDR(b,i) + 0)
370 #define IE_XBD_NEXT(b,i)		(IE_XBD_ADDR(b,i) + 2)
371 #define IE_XBD_BUF(b,i)			(IE_XBD_ADDR(b,i) + 4)
372 
373 #define IE_TBD_EOL	0x8000		/* this TBD is the last one */
374 #define IE_TBD_CNTMASK	0x3fff		/* The rest of the `flags' word
375 					   is actually the length. */
376 
377 
378 /*
379  * Multicast setup command.
380  *-
381 struct __ie_mcast_cmd {
382 	struct __ie_cmd_common	com;	// common part
383 #define ie_mcast_status		com.ie_cmd_status
384 
385 	// size (in bytes) of multicast addresses
386 	u_short		ie_mcast_bytes;
387 	struct __ie_en_addr ie_mcast_addrs[IE_MAXMCAST + 1];// space for them
388 };
389  */
390 #define IE_CMD_MCAST_SZ			(IE_CMD_COMMON_SZ + 2 /* + XXX */)
391 #define IE_CMD_MCAST_BYTES(base)	((base) + IE_CMD_COMMON_SZ + 0)
392 #define IE_CMD_MCAST_MADDR(base)	((base) + IE_CMD_COMMON_SZ + 2)
393 
394 /*
395  * Time Domain Reflectometer command.
396  *-
397 struct __ie_tdr_cmd {
398 	struct __ie_cmd_common com;	// common part
399 #define ie_tdr_status com.ie_cmd_status
400 	u_short ie_tdr_time;		// error bits and time
401 };
402  */
403 #define IE_CMD_TDR_SZ		(IE_CMD_COMMON_SZ + 2)
404 #define IE_CMD_TDR_TIME(base)	((base) + IE_CMD_COMMON_SZ + 0)
405 
406 #define IE_TDR_SUCCESS	0x8000	/* TDR succeeded without error */
407 #define IE_TDR_XCVR	0x4000	/* detected a transceiver problem */
408 #define IE_TDR_OPEN	0x2000	/* detected an incorrect termination ("open") */
409 #define IE_TDR_SHORT	0x1000	/* TDR detected a short circuit */
410 #define IE_TDR_TIME	0x07ff	/* mask for reflection time */
411 
412 /*
413  * Initial Address Setup command
414  *-
415 struct __ie_iasetup_cmd {
416 	struct __ie_cmd_common com;
417 #define ie_iasetup_status com.ie_cmd_status
418 	struct __ie_en_addr ie_address;
419 };
420  */
421 #define IE_CMD_IAS_SZ		(IE_CMD_COMMON_SZ + 6)
422 #define IE_CMD_IAS_EADDR(base)	((base) + IE_CMD_COMMON_SZ + 0)
423 
424 /*
425  * Configuration command
426  *-
427 struct __ie_config_cmd {
428 	struct __ie_cmd_common com;	// common part
429 #define ie_config_status com.ie_cmd_status
430 
431 	u_int8_t ie_config_count;	// byte count (0x0c)
432 	u_int8_t ie_fifo;		// fifo (8)
433 	u_int8_t ie_save_bad;		// save bad frames (0x40)
434 	u_int8_t ie_addr_len;		// address length (0x2e) (AL-LOC == 1)
435 	u_int8_t ie_priority;		// priority and backoff (0x0)
436 	u_int8_t ie_ifs;		// inter-frame spacing (0x60)
437 	u_int8_t ie_slot_low;		// slot time, LSB (0x0)
438 	u_int8_t ie_slot_high;		// slot time, MSN, and retries (0xf2)
439 	u_int8_t ie_promisc;		// 1 if promiscuous, else 0
440 	u_int8_t ie_crs_cdt;		// CSMA/CD parameters (0x0)
441 	u_int8_t ie_min_len;		// min frame length (0x40)
442 	u_int8_t ie_junk;		// stuff for 82596 (0xff)
443 };
444  */
445 #define IE_CMD_CFG_SZ			(IE_CMD_COMMON_SZ + 12)
446 #define IE_CMD_CFG_CNT(base)		((base) + IE_CMD_COMMON_SZ + 0)
447 #define IE_CMD_CFG_FIFO(base)		((base) + IE_CMD_COMMON_SZ + 1)
448 #define IE_CMD_CFG_SAVEBAD(base)	((base) + IE_CMD_COMMON_SZ + 2)
449 #define IE_CMD_CFG_ADDRLEN(base)	((base) + IE_CMD_COMMON_SZ + 3)
450 #define IE_CMD_CFG_PRIORITY(base)	((base) + IE_CMD_COMMON_SZ + 4)
451 #define IE_CMD_CFG_IFS(base)		((base) + IE_CMD_COMMON_SZ + 5)
452 #define IE_CMD_CFG_SLOT_LOW(base)	((base) + IE_CMD_COMMON_SZ + 6)
453 #define IE_CMD_CFG_SLOT_HIGH(base)	((base) + IE_CMD_COMMON_SZ + 7)
454 #define IE_CMD_CFG_PROMISC(base)	((base) + IE_CMD_COMMON_SZ + 8)
455 #define IE_CMD_CFG_CRSCDT(base)		((base) + IE_CMD_COMMON_SZ + 9)
456 #define IE_CMD_CFG_MINLEN(base)		((base) + IE_CMD_COMMON_SZ + 10)
457 #define IE_CMD_CFG_JUNK(base)		((base) + IE_CMD_COMMON_SZ + 11)
458