xref: /illumos-gate/usr/src/uts/common/io/rtls/rtls.h (revision 66582b606a8194f7f3ba5b3a3a6dca5b0d346361)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright 2010 Sun Microsystems, Inc.  All rights reserved.
24  * Use is subject to license terms.
25  */
26 
27 /*
28  * Copyright 2012 Nexenta Systems, Inc.  All rights reserved.
29  */
30 
31 /*
32  * rtls -- REALTEK 8139-serials PCI Fast Ethernet Driver.
33  *
34  * This product is covered by one or more of the following patents:
35  * US5,307,459, US5,434,872, US5,732,094, US6,570,884, US6,115,776, and
36  * US6,327,625.
37  *
38  * Currently supports:
39  *	RTL8139
40  */
41 
42 
43 #ifndef _SYS_RTLS_H
44 #define	_SYS_RTLS_H
45 
46 #ifdef __cplusplus
47 extern "C" {
48 #endif
49 
50 /* Debug flags */
51 #define	RTLS_TRACE		0x01
52 #define	RTLS_ERRS		0x02
53 #define	RTLS_RECV		0x04
54 #define	RTLS_DDI		0x08
55 #define	RTLS_SEND		0x10
56 #define	RTLS_INT		0x20
57 #define	RTLS_SENSE		0x40
58 #define	RTLS_REGCFG		0x80
59 
60 #ifdef DEBUG
61 #define	RTLS_DEBUG		1
62 #endif
63 
64 /*
65  * Driver support device
66  */
67 #define	RT_VENDOR_ID		0x10EC	/* RealTek */
68 #define	RT_DEVICE_8139		0x8139
69 #define	RTLS_SUPPORT_DEVICE_1	((RT_VENDOR_ID << 16) | RT_DEVICE_8139)
70 	/* bind vendor and device id together */
71 
72 #define	RTLS_VENDOR_ID_2	0x1186	/* D-link */
73 #define	RTLS_DEVICE_ID_2	0x1301
74 #define	RTLS_SUPPORT_DEVICE_2	((RTLS_VENDOR_ID_2 << 16) | RTLS_DEVICE_ID_2)
75 
76 #define	RTLS_VENDOR_ID_3	0x1113	/* Accton */
77 #define	RTLS_DEVICE_ID_3	0x1211
78 #define	RTLS_SUPPORT_DEVICE_3	((RTLS_VENDOR_ID_3 << 16) | RTLS_DEVICE_ID_3)
79 
80 #define	RTLS_VENDOR_ID_4	0x1186	/* D-link */
81 #define	RTLS_DEVICE_ID_4	0x1300
82 #define	RTLS_SUPPORT_DEVICE_4	((RTLS_VENDOR_ID_4 << 16) | RTLS_DEVICE_ID_4)
83 
84 /*
85  * Driver tx/rx parameters
86  */
87 #define	RTLS_MAX_TX_DESC	4
88 #define	RTLS_TX_BUF_COUNT	8
89 #define	RTLS_TX_BUF_SIZE	2048
90 #define	RTLS_RX_BUF_RING	(32*1024)	/* 32K */
91 #define	RTLS_RX_BUF_SIZE	(RTLS_RX_BUF_RING + 2*1024)
92 #define	RTLS_MCAST_BUF_SIZE	64	/* multicast hash table size in bits */
93 
94 /*
95  * RTL8139 CRC poly
96  */
97 #define	RTLS_HASH_POLY		0x04C11DB7	/* 0x04C11DB6 */
98 #define	RTLS_HASH_CRC		0xFFFFFFFFU
99 
100 /*
101  * STREAMS parameters
102  */
103 #define	RTLS_HIWAT		(RTLS_MAX_TX_DESC * ETHERMAX)
104 					/* driver flow control high water */
105 #define	RTLS_LOWAT		1	/* driver flow control low water */
106 #define	RTLS_IDNUM		0	/* RTL Id; zero works */
107 
108 /*
109  * Helpful defines for register access
110  */
111 #define	REG32(reg, off)		((uint32_t *)((uintptr_t)(reg) + off))
112 #define	REG16(reg, off)		((uint16_t *)((uintptr_t)(reg) + off))
113 #define	REG8(reg, off)		((uint8_t *)((uintptr_t)(reg) + off))
114 
115 typedef struct {
116 	ddi_acc_handle_t	acc_hdl;	/* handle for memory */
117 	void			*mem_va;	/* CPU VA of memory */
118 	size_t			alength;	/* allocated size */
119 	ddi_dma_handle_t	dma_hdl;	/* DMA handle */
120 	ddi_dma_cookie_t	cookie;		/* associated cookie */
121 	uint32_t		ncookies;	/* must be 1 */
122 } dma_area_t;
123 
124 typedef struct rtls_stats {
125 	uint64_t	ipackets;
126 	uint64_t	multi_rcv;	/* ifInMulticastPkts */
127 	uint64_t	brdcst_rcv;	/* ifInBroadcastPkts */
128 	uint64_t	rbytes;
129 	uint64_t	opackets;
130 	uint64_t	multi_xmt;
131 	uint64_t	brdcst_xmt;
132 	uint64_t	obytes;
133 	uint32_t	collisions;
134 	uint32_t	firstcol;
135 	uint32_t	multicol;
136 	uint32_t	rcv_err;	/* ifInErrors */
137 	uint32_t	xmt_err;	/* ifOutErrors */
138 	uint32_t	mac_rcv_err;
139 	uint32_t	mac_xmt_err;
140 	uint32_t	overflow;
141 	uint32_t	underflow;
142 	uint32_t	no_carrier;	/* dot3StatsCarrierSenseErrors */
143 	uint32_t	xmt_latecoll;	/* dot3StatsLateCollisions */
144 	uint32_t	defer;		/* dot3StatsDeferredTransmissions */
145 	uint32_t	frame_err;	/* dot3StatsAlignErrors */
146 	uint32_t	crc_err;	/* dot3StatsFCSErrors */
147 	uint32_t	in_short;
148 	uint32_t	too_long;
149 	uint32_t	no_rcvbuf;	/* ifInDiscards */
150 } rtls_stats_t;
151 
152 typedef struct rtls_instance {
153 	mac_handle_t	mh;
154 	mii_handle_t	mii;
155 	dev_info_t	*devinfo;	/* device instance */
156 	int32_t		instance;
157 
158 	caddr_t		io_reg;		/* mapped chip register address */
159 
160 
161 	/* io handle & iblock */
162 	ddi_acc_handle_t	io_handle;	/* ddi I/O handle */
163 	ddi_iblock_cookie_t	iblk;
164 
165 	/* dma buffer alloc used */
166 	dma_area_t		dma_area_rx;	/* receive dma area */
167 	dma_area_t		dma_area_tx[RTLS_MAX_TX_DESC];
168 						/* transmit dma area */
169 
170 	uint8_t		netaddr[ETHERADDRL];	/* mac address */
171 	uint16_t	int_mask;		/* interrupt mask */
172 
173 	/* used for multicast set */
174 	char		multicast_cnt[RTLS_MCAST_BUF_SIZE];
175 	uint32_t	multi_hash[2];
176 
177 	boolean_t	promisc;		/* promisc state flag */
178 
179 	/* used for send */
180 	uint8_t		*tx_buf[RTLS_MAX_TX_DESC];
181 	uint16_t	tx_current_desc;	/* Current Tx page */
182 	uint16_t	tx_first_loop;
183 
184 	uint32_t	tx_retry;
185 
186 	/* used for recv */
187 	uint8_t		*rx_ring;
188 	uint32_t	cur_rx;
189 
190 	/* mutex */
191 	kmutex_t	rtls_io_lock;	/* i/o reg access */
192 	kmutex_t	rtls_tx_lock;	/* send access */
193 	kmutex_t	rtls_rx_lock;	/* receive access */
194 
195 	/* send reschedule used */
196 	boolean_t	need_sched;
197 
198 	boolean_t	chip_error;	/* chip error flag */
199 
200 	/* current MAC state */
201 	boolean_t	rtls_running;
202 	boolean_t	rtls_suspended;
203 
204 	/* rtls statistics */
205 	rtls_stats_t	stats;
206 } rtls_t;
207 
208 #define	RTLS_TX_RETRY_NUM	16
209 #define	RTLS_TX_WAIT_TIMEOUT	(void) (drv_usectohz(100 * 1000)) /* 100ms */
210 #define	RTLS_RESET_WAIT_NUM	0x100
211 #define	RTLS_RESET_WAIT_INTERVAL	(void) (drv_usecwait(100))
212 #define	RTLS_RX_ADDR_ALIGNED(addr)	(((addr + 3) & ~3) % RTLS_RX_BUF_RING)
213 		/* 4-bytes aligned, also with RTLS_RX_BUF_RING boundary */
214 
215 /* parameter definition in rtls.conf file */
216 #define	FOECE_NONE		0	/* no force */
217 #define	FORCE_AUTO_NEGO		5	/* auto negotioation mode */
218 #define	FORCE_100_FDX		4	/* 100 full_duplex mode */
219 #define	FORCE_100_HDX		3	/* 100 half_duplex mode */
220 #define	FORCE_10_FDX		2	/* 10 full_duplex mode */
221 #define	FORCE_10_HDX		1	/* 10 half_duplex mode */
222 
223 /*
224  * RealTek 8129/8139 register offsets definition
225  */
226 
227 /*
228  * MAC address register, initial value isautoloaded from the
229  * EEPROM EthernetID field
230  */
231 #define	ID_0_REG	0x0000
232 #define	ID_1_REG	0x0001
233 #define	ID_2_REG	0x0002
234 #define	ID_3_REG	0x0003
235 #define	ID_4_REG	0x0004
236 #define	ID_5_REG	0x0005
237 
238 /*
239  * Multicast register
240  */
241 #define	MULTICAST_0_REG 	0x0008
242 #define	MULTICAST_1_REG 	0x0009
243 #define	MULTICAST_2_REG		0x000a
244 #define	MULTICAST_3_REG		0x000b
245 #define	MULTICAST_4_REG		0x000c
246 #define	MULTICAST_5_REG		0x000d
247 #define	MULTICAST_6_REG		0x000e
248 #define	MULTICAST_7_REG		0x000f
249 
250 #define	RCV_ALL_MULTI_PACKETS	0xffffffff
251 
252 /*
253  * Transmit status register
254  */
255 #define	TX_STATUS_DESC0_REG	0x0010
256 #define	TX_STATUS_DESC1_REG	0x0014
257 #define	TX_STATUS_DESC2_REG	0x0018
258 #define	TX_STATUS_DESC3_REG	0x001c
259 #define	TX_STATUS_CS_LOST	0x80000000	/* Carrier Sense Lost */
260 #define	TX_STATUS_TX_ABORT	0x40000000	/* Transmit Abort */
261 #define	TX_STATUS_OWC		0x20000000	/* Out of Window Collision */
262 #define	TX_STATUS_CDH		0x10000000	/* CD Heart Beat */
263 #define	TX_STATUS_NCC		0x0f000000	/* Number of Collision Count */
264 #define	TX_STATUS_NCC_SHIFT	24
265 #define	TX_STATUS_TX_THRESHOLD	0x003f0000	/* Early Tx Threshold */
266 #define	TX_STATUS_TX_THRESHOLD_SHIFT	16
267 #define	TX_STATUS_TX_THRESHOLD_MAX	0x3f	/* 0x3f * 32 Bytes */
268 #define	TX_STATUS_TX_OK		0x00008000	/* Transmit OK */
269 #define	TX_STATUS_TX_UNDERRUN	0x00004000	/* Transmit FIFO Underrun */
270 #define	TX_STATUS_OWN		0x00002000	/* RTL8139 Own bit */
271 #define	TX_STATUS_PACKET_SIZE	0x00001fff
272 	/* The total size in bytes of the data in this descriptor */
273 
274 /*
275  * The read-only bits (CRS, TABT, OWC, CDH, NCC3-0, TOK, TUN) will be cleared
276  * by the RTL8139 when the Transmit Byte Count (bit12-0) in the corresponding
277  * Tx descriptor is written. If h/w transmit finish, at least some of these
278  * bits are none zero.
279  */
280 #define	TX_COMPLETE_FLAG	(TX_STATUS_TX_ABORT | TX_STATUS_TX_OK | \
281 				    TX_STATUS_TX_UNDERRUN)
282 #define	TX_ERR_FLAG		(TX_STATUS_TX_ABORT | TX_STATUS_TX_UNDERRUN | \
283 				    TX_STATUS_CS_LOST | TX_STATUS_OWC)
284 
285 /*
286  * Transmit start address of descriptors
287  */
288 #define	TX_ADDR_DESC0_REG	0x0020
289 #define	TX_ADDR_DESC1_REG	0x0024
290 #define	TX_ADDR_DESC2_REG	0x0028
291 #define	TX_ADDR_DESC3_REG	0x002c
292 
293 /*
294  * Receive buffer start address
295  */
296 #define	RX_BUFF_ADDR_REG	0x0030
297 
298 /*
299  * Early receive byte count register
300  */
301 #define	RX_STATUS_REG		0x0036
302 #define	RX_STATUS_GOOD		0x08
303 #define	RX_STARUS_BAD		0x04
304 #define	RX_STATUS_COVERWRITE	0x02
305 #define	RX_STATUS_OK		0x01
306 
307 /*
308  * Commond register
309  */
310 #define	RT_COMMAND_REG		0x0037
311 #define	RT_COMMAND_REG_RESERVE	0xe0
312 #define	RT_COMMAND_RESET	0x10
313 #define	RT_COMMAND_RX_ENABLE	0x08
314 #define	RT_COMMAND_TX_ENABLE	0x04
315 #define	RT_COMMAND_BUFF_EMPTY	0x01
316 
317 /*
318  * Rx current read address register
319  */
320 #define	RX_CURRENT_READ_ADDR_REG	0x0038
321 #define	RX_READ_RESET_VAL		0xfff0
322 /*
323  * Value in RX_CURRENT_READ_ADDR_REG is 16 less than
324  * the actual rx read address
325  */
326 #define	READ_ADDR_GAP			16
327 
328 #define	RX_CURRENT_BUFF_ADDR_REG	0x003a
329 
330 /*
331  * Interrupt register
332  */
333 #define	RT_INT_MASK_REG		0x003c
334 #define	RT_INT_STATUS_REG	0x003e
335 #define	RT_INT_STATUS_INTS	0xe07f
336 #define	SYS_ERR_INT		0x8000
337 #define	TIME_OUT_INT		0x4000
338 #define	CABLE_LEN_CHANGE_INT	0x2000
339 #define	RX_FIFO_OVERFLOW_INT	0x0040
340 #define	LINK_CHANGE_INT		0x0020
341 #define	RX_BUF_OVERFLOW_INT	0x0010
342 #define	TX_ERR_INT		0x0008
343 #define	TX_OK_INT		0x0004
344 #define	RX_ERR_INT		0x0002
345 #define	RX_OK_INT		0x0001
346 
347 #define	RTLS_INT_MASK_ALL	0xe07f
348 #define	RTLS_INT_MASK_NONE	0x0000
349 #define	RTLS_RX_INT	(RX_OK_INT | RX_ERR_INT | \
350 			    RX_BUF_OVERFLOW_INT | RX_FIFO_OVERFLOW_INT)
351 #define	RX_OVERFLOW_INT	(RX_BUF_OVERFLOW_INT | RX_FIFO_OVERFLOW_INT)
352 #define	RTLS_INT_MASK	(LINK_CHANGE_INT | TX_ERR_INT | TX_OK_INT | \
353 			    RX_BUF_OVERFLOW_INT | RX_FIFO_OVERFLOW_INT | \
354 			    RX_ERR_INT | RX_OK_INT)
355 
356 /*
357  * Transmit configuration register
358  */
359 #define	TX_CONFIG_REG		0x0040
360 #define	TX_CONSIG_REG_RESERVE	0x8078f80e
361 #define	HW_VERSION_ID_5		0x7c000000
362 #define	TX_INTERFRAME_GAP_BITS	0x03000000
363 #define	TX_INTERFRAME_GAP_SHIFT	24
364 #define	TX_INTERFRAME_GAP_802_3	0x03000000
365 #define	HW_VERSION_ID_1		0x00800000
366 #define	LOOPBACK_MODE_ENABLE	0x00060000
367 #define	CRC_APPEND_ENABLE	0x00010000
368 #define	TX_DMA_BURST_BYTES	0x00000700
369 #define	TX_DMA_BURST_2048B	0x00000700
370 #define	TX_DMA_BURST_1024B	0x00000600
371 #define	TX_RETRY_COUNT_BITS	0x000000f0
372 #define	TX_RETRY_COUNT_DEFUALT	0x00000010
373 	/* re-transmit count (16 + 1 * 16) = 32 times before aborting */
374 #define	TX_CLEAR_ABORT		0x00000001
375 
376 #define	TX_CONFIG_DEFAULT	(TX_INTERFRAME_GAP_802_3 | \
377 				    TX_DMA_BURST_1024B | \
378 				    TX_RETRY_COUNT_DEFUALT)
379 #define	TX_FIFO_THRESHHOLD	1024
380 /*
381  * Receive configuration register
382  */
383 #define	RX_CONFIG_REG		0x0044
384 #define	RX_CONSIG_REG_RESERVE	0xf0fc0000
385 
386 #define	RX_THRESHOLD_BITS	0x0f000000
387 #define	RX_EARLY_INT_SEL	0x00020000
388 #define	RX_RER8_ENABLE		0x00010000
389 
390 #define	RX_FIFO_THRESHOLD_BITS	0x0000e000
391 #define	RX_FIFO_THRESHOLD_16B	0x00000000
392 #define	RX_FIFO_THRESHOLD_32B	0x00002000
393 #define	RX_FIFO_THRESHOLD_64B	0x00004000
394 #define	RX_FIFO_THRESHOLD_128B	0x00006000
395 #define	RX_FIFO_THRESHOLD_256B	0x00008000
396 #define	RX_FIFO_THRESHOLD_512B	0x0000a000
397 #define	RX_FIFO_THRESHOLD_1024B	0x0000c000
398 #define	RX_FIFO_THRESHOLD_NONE	0x0000e000
399 
400 #define	RX_BUF_LEN_BITS		0x00001800
401 #define	RX_BUF_LEN_8K		0x00000000
402 #define	RX_BUF_LEN_16K		0x00000800
403 #define	RX_BUF_LEN_32K		0x00001000
404 #define	RX_BUF_LEN_64K		0x00001800
405 
406 #define	RX_DMA_BURST_BYTES	0x00000700
407 #define	RX_DMA_BURST_16B	0x00000000
408 #define	RX_DMA_BURST_32B	0x00000100
409 #define	RX_DMA_BURST_64B	0x00000200
410 #define	RX_DMA_BURST_128B	0x00000300
411 #define	RX_DMA_BURST_256B	0x00000400
412 #define	RX_DMA_BURST_512B	0x00000500
413 #define	RX_DMA_BURST_1024B	0x00000600
414 #define	RX_DMA_BURST_UNLIMITED	0x00000700
415 
416 #define	RX_NOWRAP_ENABLE	0x00000080
417 #define	RX_EEPROM_9356		0x00000040
418 #define	RX_ACCEPT_ERR_PACKET	0x00000020
419 #define	RX_ACCEPT_RUNT_PACKET	0x00000010
420 #define	RX_ACCEPT_BROADCAST_PACKET	0x000000008
421 #define	RX_ACCEPT_MULTICAST_PACKET	0x000000004
422 #define	RX_ACCEPT_MAC_MATCH_PACKET	0x000000002
423 #define	RX_ACCEPT_ALL_PACKET		0x000000001
424 
425 #define	RX_CONFIG_DEFAULT	(RX_FIFO_THRESHOLD_NONE | \
426 				    RX_BUF_LEN_32K | \
427 				    RX_DMA_BURST_1024B | \
428 				    RX_ACCEPT_BROADCAST_PACKET | \
429 				    RX_ACCEPT_MULTICAST_PACKET | \
430 				    RX_ACCEPT_MAC_MATCH_PACKET)
431 /*
432  * Missed packet counter: indicates the number of packets
433  * discarded due to rx FIFO overflow
434  */
435 #define	RX_PACKET_MISS_COUNT_REG	0x004c
436 
437 /*
438  * 93c46(93c56) commond register:
439  */
440 #define	RT_93c46_COMMAND_REG	0x0050
441 #define	RT_93c46_MODE_BITS	0xc0
442 #define	RT_93c46_MODE_NORMAL	0x00
443 #define	RT_93c46_MODE_AUTOLOAD	0x40
444 #define	RT_93c46_MODE_PROGRAM	0x80
445 #define	RT_93c46_MODE_CONFIG	0xc0
446 
447 #define	RT_93c46_EECS		0x08
448 #define	RT_93c46_EESK		0x04
449 #define	RT_93c46_EEDI		0x02
450 #define	RT_93c46_EEDO		0x01
451 
452 /*
453  * Configuration registers
454  */
455 #define	RT_CONFIG_0_REG		0x0051
456 #define	RT_CONFIG_1_REG		0x0052
457 #define	RT_CONFIG_3_REG		0x0059
458 #define	RT_CONFIG_4_REG		0x005a
459 
460 /*
461  * Media status register
462  */
463 #define	MEDIA_STATUS_REG	0x0058
464 #define	MEDIA_STATUS_LINK	0x04
465 #define	MEDIA_STATUS_SPEED	0x08
466 
467 #define	RTLS_SPEED_100M		100000000
468 #define	RTLS_SPEED_10M		10000000
469 #define	RTLS_SPEED_UNKNOWN	0
470 /*
471  * Multiple interrupt select register
472  */
473 #define	RT_MUL_INTSEL_REG	0x005c
474 #define	RT_MUL_INTSEL_BITS	0x0fff
475 
476 /*
477  * Transmit status of all descriptor registers register
478  */
479 #define	TX_DESC_STAUS_REG		0x0060
480 #define	TX_DESC_STAUS_OWN_0		0x0001
481 #define	TX_DESC_STAUS_ABORT_0		0x0010
482 #define	TX_DESC_STAUS_UNDERRUN_0	0x0100
483 #define	TX_DESC_STAUS_TXOK_0		0x1000
484 #define	TX_DESC_STAUS_OWN_1		0x0002
485 #define	TX_DESC_STAUS_ABORT_1		0x0020
486 #define	TX_DESC_STAUS_UNDERRUN_1	0x0200
487 #define	TX_DESC_STAUS_TXOK_1		0x2000
488 #define	TX_DESC_STAUS_OWN_2		0x0004
489 #define	TX_DESC_STAUS_ABORT_2		0x0040
490 #define	TX_DESC_STAUS_UNDERRUN_2	0x0400
491 #define	TX_DESC_STAUS_TXOK_2		0x4000
492 #define	TX_DESC_STAUS_OWN_3		0x0008
493 #define	TX_DESC_STAUS_ABORT_3		0x0080
494 #define	TX_DESC_STAUS_UNDERRUN_3	0x0800
495 #define	TX_DESC_STAUS_TXOK_3		0x8000
496 
497 /*
498  * Basic mode control register
499  */
500 #define	BASIC_MODE_CONTROL_REG		0x0062
501 #define	BASIC_MODE_CONTROL_BITS		0x3300
502 
503 #define	BASIC_MODE_SPEED		0x2000
504 #define	BASIC_MODE_SPEED_100		0x2000
505 
506 #define	BASIC_MODE_AUTONEGO		0x1000
507 
508 #define	BASIC_MODE_RESTAR_AUTONEGO	0x0200
509 
510 #define	BASIC_MODE_DUPLEX		0x0100
511 #define	BASIC_MODE_DUPLEX_FULL		0x0100
512 
513 /*
514  * Basic mode status register
515  */
516 #define	BASIC_MODE_STATUS_REG		0x0064
517 #define	BASIC_MODE_STATUS_AUTONEGO_DONE	0x0020
518 #define	BASIC_MODE_STATUS_REMOTE_FAULT	0x0010
519 
520 /*
521  * Auto-negotiation advertisement register
522  */
523 #define	AUTO_NEGO_AD_REG		0x0066
524 #define	AUTO_NEGO_MODE_BITS		0x01e0
525 #define	AUTO_NEGO_100FULL		0x0100
526 #define	AUTO_NEGO_100HALF		0x0080
527 #define	AUTO_NEGO_10FULL		0x0040
528 #define	AUTO_NEGO_10HALF		0x0020
529 
530 /*
531  * Auto-negotiation link partner ability register
532  */
533 #define	AUTO_NEGO_LP_REG		0x0068
534 
535 /*
536  * Auto-negotiation expansion register
537  */
538 #define	AUTO_NEGO_EXP_REG		0x006a
539 #define	AUTO_NEGO_EXP_LPCANAN		0x0001
540 
541 /*
542  * Receive status in rx packet header
543  */
544 #define	RX_HEADER_SIZE			4
545 
546 #define	RX_HEADER_LEN_BITS		0xffff0000
547 #define	RX_HEADER_STATUS_BITS		0x0000ffff
548 #define	RX_STATUS_DMA_BUSY		0xfff0
549 #define	RX_HEADER_STATUS_MULTI		0x8000
550 #define	RX_HEADER_STATUS_PAM		0x4000
551 #define	RX_HEADER_STATUS_BCAST		0x2000
552 
553 #define	RX_HEADER_STATUS_ISE		0x0020
554 #define	RX_HEADER_STATUS_RUNT		0x0010
555 #define	RX_HEADER_STATUS_LONG		0x0008
556 #define	RX_HEADER_STATUS_CRC		0x0004
557 #define	RX_HEADER_STATUS_FAE		0x0002
558 #define	RX_HEADER_STATUS_ROK		0x0001
559 
560 #define	RX_ERR_FLAGS	(RX_HEADER_STATUS_ISE | RX_HEADER_STATUS_RUNT | \
561 			RX_HEADER_STATUS_FAE | RX_HEADER_STATUS_CRC)
562 
563 #ifdef __cplusplus
564 }
565 #endif
566 
567 #endif	/* _SYS_RTLS_H */
568