xref: /openbsd/sys/dev/ic/rtl81x9reg.h (revision 0f9e9ec2)
1 /*	$OpenBSD: rtl81x9reg.h,v 1.105 2024/05/13 01:15:50 jsg Exp $	*/
2 
3 /*
4  * Copyright (c) 1997, 1998
5  *	Bill Paul <wpaul@ctr.columbia.edu>.  All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  * 3. All advertising materials mentioning features or use of this software
16  *    must display the following acknowledgement:
17  *	This product includes software developed by Bill Paul.
18  * 4. Neither the name of the author nor the names of any co-contributors
19  *    may be used to endorse or promote products derived from this software
20  *    without specific prior written permission.
21  *
22  * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
23  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
24  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
25  * ARE DISCLAIMED.  IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
26  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
27  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
28  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
29  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
30  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
31  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
32  * THE POSSIBILITY OF SUCH DAMAGE.
33  *
34  * $FreeBSD: src/sys/pci/if_rlreg.h,v 1.14 1999/10/21 19:42:03 wpaul Exp $
35  */
36 
37 /*
38  * Realtek 8129/8139 register offsets
39  */
40 #define	RL_IDR0		0x0000		/* ID register 0 (station addr) */
41 #define RL_IDR1		0x0001		/* Must use 32-bit accesses (?) */
42 #define RL_IDR2		0x0002
43 #define RL_IDR3		0x0003
44 #define RL_IDR4		0x0004
45 #define RL_IDR5		0x0005
46 					/* 0006-0007 reserved */
47 #define RL_MAR0		0x0008		/* Multicast hash table */
48 #define RL_MAR1		0x0009
49 #define RL_MAR2		0x000A
50 #define RL_MAR3		0x000B
51 #define RL_MAR4		0x000C
52 #define RL_MAR5		0x000D
53 #define RL_MAR6		0x000E
54 #define RL_MAR7		0x000F
55 
56 #define RL_TXSTAT0	0x0010		/* status of TX descriptor 0 */
57 #define RL_TXSTAT1	0x0014		/* status of TX descriptor 1 */
58 #define RL_TXSTAT2	0x0018		/* status of TX descriptor 2 */
59 #define RL_TXSTAT3	0x001C		/* status of TX descriptor 3 */
60 
61 #define RL_TXADDR0	0x0020		/* address of TX descriptor 0 */
62 #define RL_TXADDR1	0x0024		/* address of TX descriptor 1 */
63 #define RL_TXADDR2	0x0028		/* address of TX descriptor 2 */
64 #define RL_TXADDR3	0x002C		/* address of TX descriptor 3 */
65 
66 #define RL_RXADDR		0x0030	/* RX ring start address */
67 #define RL_RX_EARLY_BYTES	0x0034	/* RX early byte count */
68 #define RL_RX_EARLY_STAT	0x0036	/* RX early status */
69 #define RL_COMMAND	0x0037		/* command register */
70 #define RL_CURRXADDR	0x0038		/* current address of packet read */
71 #define RL_CURRXBUF	0x003A		/* current RX buffer address */
72 #define RL_IMR		0x003C		/* interrupt mask register */
73 #define RL_ISR		0x003E		/* interrupt status register */
74 #define RL_TXCFG	0x0040		/* transmit config */
75 #define RL_RXCFG	0x0044		/* receive config */
76 #define RL_TIMERCNT	0x0048		/* timer count register */
77 #define RL_MISSEDPKT	0x004C		/* missed packet counter */
78 #define RL_EECMD	0x0050		/* EEPROM command register */
79 
80 /* RTL8139/RTL8139C+ only */
81 #define RL_8139_CFG0	0x0051		/* config register #0 */
82 #define RL_8139_CFG1	0x0052		/* config register #1 */
83 #define RL_8139_CFG3	0x0059		/* config register #3 */
84 #define RL_8139_CFG4	0x005A		/* config register #4 */
85 #define RL_8139_CFG5	0x00D8		/* config register #5 */
86 
87 #define RL_CFG0		0x0051		/* config register #0 */
88 #define RL_CFG1		0x0052		/* config register #1 */
89 #define RL_CFG2		0x0053		/* config register #2 */
90 #define RL_CFG3		0x0054		/* config register #3 */
91 #define RL_CFG4		0x0055		/* config register #4 */
92 #define RL_CFG5		0x0056		/* config register #5 */
93 					/* 0057 reserved */
94 #define RL_MEDIASTAT	0x0058		/* media status register (8139) */
95 					/* 0059-005A reserved */
96 #define RL_MII		0x005A		/* 8129 chip only */
97 #define RL_HALTCLK	0x005B
98 #define RL_MULTIINTR	0x005C		/* multiple interrupt */
99 #define RL_PCIREV	0x005E		/* PCI revision value */
100 					/* 005F reserved */
101 #define RL_TXSTAT_ALL	0x0060		/* TX status of all descriptors */
102 
103 #define RL_CSIDR	0x0064
104 #define RL_CSIAR	0x0068
105 
106 /* Direct PHY access registers only available on 8139 */
107 #define RL_BMCR		0x0062		/* PHY basic mode control */
108 #define RL_BMSR		0x0064		/* PHY basic mode status */
109 #define RL_ANAR		0x0066		/* PHY autoneg advert */
110 #define RL_LPAR		0x0068		/* PHY link partner ability */
111 #define RL_ANER		0x006A		/* PHY autoneg expansion */
112 
113 #define RL_DISCCNT	0x006C		/* disconnect counter */
114 #define RL_FALSECAR	0x006E		/* false carrier counter */
115 #define RL_NWAYTST	0x0070		/* NWAY test register */
116 #define RL_RX_ER	0x0072		/* RX_ER counter */
117 #define RL_CSCFG	0x0074		/* CS configuration register */
118 
119 /*
120  * When operating in special C+ mode, some of the registers in an
121  * 8139C+ chip have different definitions. These are also used for
122  * the 8169 gigE chip.
123  */
124 #define RL_DUMPSTATS_LO	0x0010	/* counter dump command register */
125 #define RL_DUMPSTATS_HI	0x0014	/* counter dump command register */
126 #define RL_TXLIST_ADDR_LO	0x0020	/* 64 bits, 256 byte alignment */
127 #define RL_TXLIST_ADDR_HI	0x0024	/* 64 bits, 256 byte alignment */
128 #define RL_TXLIST_ADDR_HPRIO_LO	0x0028	/* 64 bits, 256 byte aligned */
129 #define RL_TXLIST_ADDR_HPRIO_HI	0x002C	/* 64 bits, 256 byte aligned */
130 #define RL_TIMERINT		0x0054	/* interrupt on timer expire */
131 #define RL_TXSTART		0x00D9	/* 8 bits */
132 #define RL_CPLUS_CMD		0x00E0	/* 16 bits */
133 #define RL_RXLIST_ADDR_LO	0x00E4	/* 64 bits, 256 byte alignment */
134 #define RL_RXLIST_ADDR_HI	0x00E8	/* 64 bits, 256 byte alignment */
135 #define RL_EARLY_TX_THRESH	0x00EC	/* 8 bits */
136 
137 /*
138  * Registers specific to the 8169 gigE chip
139  */
140 #define RL_GTXSTART		0x0038	/* 8 bits */
141 #define RL_TIMERINT_8169	0x0058	/* different offset than 8139 */
142 #define RL_PHYAR		0x0060
143 #define RL_TBICSR		0x0064
144 #define RL_TBI_ANAR		0x0068
145 #define RL_TBI_LPAR		0x006A
146 #define RL_GMEDIASTAT		0x006C	/* 8 bits */
147 #define RL_MACDBG		0x006D	/* 8 bits */
148 #define RL_GPIO			0x006E	/* 8 bits */
149 #define RL_PMCH			0x006F	/* 8 bits */
150 #define RL_LDPS			0x0082	/* Link Down Power Saving */
151 #define RL_MAXRXPKTLEN		0x00DA	/* 16 bits, chip multiplies by 8 */
152 #define RL_IM			0x00E2
153 #define RL_MISC			0x00F0
154 
155 /*
156  * Register used on RTL8111E
157  */
158 #define RL_LEDSEL		0x0018
159 #define RL_LED_LINK		0x7		/* link at any speed */
160 #define RL_LED_ACT		0x8
161 
162 /*
163  * TX config register bits
164  */
165 #define RL_TXCFG_CLRABRT	0x00000001	/* retransmit aborted pkt */
166 #define RL_TXCFG_MAXDMA		0x00000700	/* max DMA burst size */
167 #define RL_TXCFG_QUEUE_EMPTY	0x00000800	/* 8168E-VL or higher */
168 #define RL_TXCFG_CRCAPPEND	0x00010000	/* CRC append (0 = yes) */
169 #define RL_TXCFG_LOOPBKTST	0x00060000	/* loopback test */
170 #define RL_TXCFG_IFG2		0x00080000	/* 8169 only */
171 #define RL_TXCFG_IFG		0x03000000	/* interframe gap */
172 #define RL_TXCFG_HWREV		0x7C800000
173 
174 #define RL_LOOPTEST_OFF		0x00000000
175 #define RL_LOOPTEST_ON		0x00020000
176 #define RL_LOOPTEST_ON_CPLUS	0x00060000
177 
178 /* Known revision codes. */
179 
180 #define RL_HWREV_8169		0x00000000
181 #define RL_HWREV_8169S		0x00800000
182 #define RL_HWREV_8110S		0x04000000
183 #define RL_HWREV_8169_8110SB	0x10000000
184 #define RL_HWREV_8169_8110SCd	0x18000000
185 #define RL_HWREV_8401E		0x24000000
186 #define RL_HWREV_8102EL		0x24800000
187 #define RL_HWREV_8102EL_SPIN1	0x24C00000
188 #define RL_HWREV_8168D		0x28000000
189 #define RL_HWREV_8168DP		0x28800000
190 #define RL_HWREV_8168E		0x2C000000
191 #define RL_HWREV_8168E_VL	0x2C800000
192 #define RL_HWREV_8168B_SPIN1	0x30000000
193 #define RL_HWREV_8100E		0x30800000
194 #define RL_HWREV_8101E		0x34000000
195 #define RL_HWREV_8102E		0x34800000
196 #define	RL_HWREV_8103E		0x34C00000
197 #define RL_HWREV_8168B_SPIN2	0x38000000
198 #define RL_HWREV_8168B_SPIN3	0x38400000
199 #define RL_HWREV_8100E_SPIN2	0x38800000
200 #define RL_HWREV_8168C		0x3c000000
201 #define RL_HWREV_8168C_SPIN2	0x3c400000
202 #define RL_HWREV_8168CP		0x3c800000
203 #define RL_HWREV_8105E		0x40800000
204 #define RL_HWREV_8105E_SPIN1	0x40C00000
205 #define RL_HWREV_8402		0x44000000
206 #define RL_HWREV_8106E		0x44800000
207 #define RL_HWREV_8168F		0x48000000
208 #define RL_HWREV_8411		0x48800000
209 #define RL_HWREV_8168G		0x4c000000
210 #define RL_HWREV_8168EP		0x50000000
211 #define RL_HWREV_8168GU		0x50800000
212 #define RL_HWREV_8168H		0x54000000
213 #define RL_HWREV_8168FP		0x54800000
214 #define RL_HWREV_8411B		0x5c800000
215 #define RL_HWREV_8139		0x60000000
216 #define RL_HWREV_8139A		0x70000000
217 #define RL_HWREV_8139AG		0x70800000
218 #define RL_HWREV_8139B		0x78000000
219 #define RL_HWREV_8130		0x7C000000
220 #define RL_HWREV_8139C		0x74000000
221 #define RL_HWREV_8139D		0x74400000
222 #define RL_HWREV_8139CPLUS	0x74800000
223 #define RL_HWREV_8101		0x74c00000
224 #define RL_HWREV_8100		0x78800000
225 #define RL_HWREV_8169_8110SBL	0x7cc00000
226 #define RL_HWREV_8169_8110SCe	0x98000000
227 
228 #define RL_TXDMA_16BYTES	0x00000000
229 #define RL_TXDMA_32BYTES	0x00000100
230 #define RL_TXDMA_64BYTES	0x00000200
231 #define RL_TXDMA_128BYTES	0x00000300
232 #define RL_TXDMA_256BYTES	0x00000400
233 #define RL_TXDMA_512BYTES	0x00000500
234 #define RL_TXDMA_1024BYTES	0x00000600
235 #define RL_TXDMA_2048BYTES	0x00000700
236 
237 /*
238  * Transmit descriptor status register bits.
239  */
240 #define RL_TXSTAT_LENMASK	0x00001FFF
241 #define RL_TXSTAT_OWN		0x00002000
242 #define RL_TXSTAT_TX_UNDERRUN	0x00004000
243 #define RL_TXSTAT_TX_OK		0x00008000
244 #define RL_TXSTAT_EARLY_THRESH	0x003F0000
245 #define RL_TXSTAT_COLLCNT	0x0F000000
246 #define RL_TXSTAT_CARR_HBEAT	0x10000000
247 #define RL_TXSTAT_OUTOFWIN	0x20000000
248 #define RL_TXSTAT_TXABRT	0x40000000
249 #define RL_TXSTAT_CARRLOSS	0x80000000
250 
251 /*
252  * Interrupt status register bits.
253  */
254 #define RL_ISR_RX_OK		0x0001
255 #define RL_ISR_RX_ERR		0x0002
256 #define RL_ISR_TX_OK		0x0004
257 #define RL_ISR_TX_ERR		0x0008
258 #define RL_ISR_RX_OVERRUN	0x0010
259 #define RL_ISR_PKT_UNDERRUN	0x0020
260 #define RL_ISR_LINKCHG		0x0020	/* 8169 only */
261 #define RL_ISR_FIFO_OFLOW	0x0040
262 #define RL_ISR_TX_DESC_UNAVAIL	0x0080	/* C+ only */
263 #define RL_ISR_SWI		0x0100	/* C+ only */
264 #define RL_ISR_CABLE_LEN_CHGD	0x2000
265 #define RL_ISR_PCS_TIMEOUT	0x4000	/* 8129 only */
266 #define RL_ISR_TIMEOUT_EXPIRED	0x4000
267 #define RL_ISR_SYSTEM_ERR	0x8000
268 
269 #define RL_INTRS	\
270 	(RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|		\
271 	RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW|	\
272 	RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR)
273 
274 #define RL_INTRS_CPLUS	\
275 	(RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|			\
276 	RL_ISR_RX_OVERRUN|RL_ISR_FIFO_OFLOW|				\
277 	RL_ISR_SYSTEM_ERR|RL_ISR_TX_OK)
278 
279 #define RL_INTRS_TIMER	\
280 	(RL_ISR_RX_ERR|RL_ISR_TX_ERR|RL_ISR_SYSTEM_ERR|			\
281 	RL_ISR_TIMEOUT_EXPIRED)
282 
283 /*
284  * Media status register. (8139 only)
285  */
286 #define RL_MEDIASTAT_RXPAUSE	0x01
287 #define RL_MEDIASTAT_TXPAUSE	0x02
288 #define RL_MEDIASTAT_LINK	0x04
289 #define RL_MEDIASTAT_SPEED10	0x08
290 #define RL_MEDIASTAT_RXFLOWCTL	0x40	/* duplex mode */
291 #define RL_MEDIASTAT_TXFLOWCTL	0x80	/* duplex mode */
292 
293 /*
294  * Receive config register.
295  */
296 #define RL_RXCFG_RX_ALLPHYS	0x00000001	/* accept all nodes */
297 #define RL_RXCFG_RX_INDIV	0x00000002	/* match filter */
298 #define RL_RXCFG_RX_MULTI	0x00000004	/* accept all multicast */
299 #define RL_RXCFG_RX_BROAD	0x00000008	/* accept all broadcast */
300 #define RL_RXCFG_RX_RUNT	0x00000010
301 #define RL_RXCFG_RX_ERRPKT	0x00000020
302 #define RL_RXCFG_WRAP		0x00000080
303 #define RL_RXCFG_EARLYOFFV2	0x00000800
304 #define RL_RXCFG_MAXDMA		0x00000700
305 #define RL_RXCFG_BURSZ		0x00001800
306 #define RL_RXCFG_EARLYOFF	0x00003800
307 #define RL_RXCFG_FIFOTHRESH	0x0000E000
308 #define RL_RXCFG_EARLYTHRESH	0x07000000
309 
310 #define RL_RXDMA_16BYTES	0x00000000
311 #define RL_RXDMA_32BYTES	0x00000100
312 #define RL_RXDMA_64BYTES	0x00000200
313 #define RL_RXDMA_128BYTES	0x00000300
314 #define RL_RXDMA_256BYTES	0x00000400
315 #define RL_RXDMA_512BYTES	0x00000500
316 #define RL_RXDMA_1024BYTES	0x00000600
317 #define RL_RXDMA_UNLIMITED	0x00000700
318 
319 #define RL_RXBUF_8		0x00000000
320 #define RL_RXBUF_16		0x00000800
321 #define RL_RXBUF_32		0x00001000
322 #define RL_RXBUF_64		0x00001800
323 
324 #define RL_RXFIFO_16BYTES	0x00000000
325 #define RL_RXFIFO_32BYTES	0x00002000
326 #define RL_RXFIFO_64BYTES	0x00004000
327 #define RL_RXFIFO_128BYTES	0x00006000
328 #define RL_RXFIFO_256BYTES	0x00008000
329 #define RL_RXFIFO_512BYTES	0x0000A000
330 #define RL_RXFIFO_1024BYTES	0x0000C000
331 #define RL_RXFIFO_NOTHRESH	0x0000E000
332 
333 /*
334  * Bits in RX status header (included with RX'ed packet
335  * in ring buffer).
336  */
337 #define RL_RXSTAT_RXOK		0x00000001
338 #define RL_RXSTAT_ALIGNERR	0x00000002
339 #define RL_RXSTAT_CRCERR	0x00000004
340 #define RL_RXSTAT_GIANT		0x00000008
341 #define RL_RXSTAT_RUNT		0x00000010
342 #define RL_RXSTAT_BADSYM	0x00000020
343 #define RL_RXSTAT_BROAD		0x00002000
344 #define RL_RXSTAT_INDIV		0x00004000
345 #define RL_RXSTAT_MULTI		0x00008000
346 #define RL_RXSTAT_LENMASK	0xFFFF0000
347 
348 #define RL_RXSTAT_UNFINISHED	0xFFF0		/* DMA still in progress */
349 /*
350  * Command register.
351  */
352 #define RL_CMD_EMPTY_RXBUF	0x0001
353 #define RL_CMD_TX_ENB		0x0004
354 #define RL_CMD_RX_ENB		0x0008
355 #define RL_CMD_RESET		0x0010
356 #define RL_CMD_STOPREQ		0x0080
357 
358 /*
359  * EEPROM control register
360  */
361 #define RL_EE_DATAOUT		0x01	/* Data out */
362 #define RL_EE_DATAIN		0x02	/* Data in */
363 #define RL_EE_CLK		0x04	/* clock */
364 #define RL_EE_SEL		0x08	/* chip select */
365 #define RL_EE_MODE		(0x40|0x80)
366 
367 #define RL_EEMODE_OFF		0x00
368 #define RL_EEMODE_AUTOLOAD	0x40
369 #define RL_EEMODE_PROGRAM	0x80
370 #define RL_EEMODE_WRITECFG	(0x80|0x40)
371 
372 /* 9346/9356 EEPROM commands */
373 
374 #define RL_9346_ADDR_LEN	6	/* 93C46 1K: 128x16 */
375 #define RL_9356_ADDR_LEN	8	/* 93C56 2K: 256x16 */
376 
377 #define RL_9346_WRITE		0x5
378 #define RL_9346_READ		0x6
379 #define RL_9346_ERASE		0x7
380 #define RL_9346_EWEN		0x4
381 #define RL_9346_EWEN_ADDR	0x30
382 #define RL_9456_EWDS		0x4
383 #define RL_9346_EWDS_ADDR	0x00
384 
385 #define RL_EECMD_WRITE		0x5	/* 0101b */
386 #define RL_EECMD_READ		0x6	/* 0110b */
387 #define RL_EECMD_ERASE		0x7	/* 0111b */
388 #define RL_EECMD_LEN		4
389 
390 #define RL_EEADDR_LEN0		6	/* 9346 */
391 #define RL_EEADDR_LEN1		8	/* 9356 */
392 
393 #define RL_EECMD_READ_6BIT	0x180	/* XXX  */
394 #define RL_EECMD_READ_8BIT	0x600	/* EECMD_READ above maybe wrong? */
395 
396 #define RL_EE_ID		0x00
397 #define RL_EE_PCI_VID		0x01
398 #define RL_EE_PCI_DID		0x02
399 /* Location of station address inside EEPROM */
400 #define RL_EE_EADDR		0x07
401 
402 /*
403  * MII register (8129 only)
404  */
405 #define RL_MII_CLK		0x01
406 #define RL_MII_DATAIN		0x02
407 #define RL_MII_DATAOUT		0x04
408 #define RL_MII_DIR		0x80	/* 0 == input, 1 == output */
409 
410 /*
411  * Config 0 register
412  */
413 #define RL_CFG0_ROM0		0x01
414 #define RL_CFG0_ROM1		0x02
415 #define RL_CFG0_ROM2		0x04
416 #define RL_CFG0_PL0		0x08
417 #define RL_CFG0_PL1		0x10
418 #define RL_CFG0_10MBPS		0x20	/* 10 Mbps internal mode */
419 #define RL_CFG0_PCS		0x40
420 #define RL_CFG0_SCR		0x80
421 
422 /*
423  * Config 1 register
424  */
425 #define RL_CFG1_PWRDWN		0x01
426 #define RL_CFG1_PME		0x01
427 #define RL_CFG1_SLEEP		0x02
428 #define RL_CFG1_VPDEN		0x02
429 #define RL_CFG1_IOMAP		0x04
430 #define RL_CFG1_MEMMAP		0x08
431 #define RL_CFG1_RSVD		0x10
432 #define RL_CFG1_LWACT		0x10
433 #define RL_CFG1_DRVLOAD		0x20
434 #define RL_CFG1_LED0		0x40
435 #define RL_CFG1_FULLDUPLEX	0x40	/* 8129 only */
436 #define RL_CFG1_LED1		0x80
437 
438 /*
439  * Config 2 register
440  */
441 #define RL_CFG2_PCI_MASK	0x07
442 #define RL_CFG2_PCI_33MHZ	0x00
443 #define RL_CFG2_PCI_66MHZ	0x01
444 #define RL_CFG2_PCI_64BIT	0x08
445 #define RL_CFG2_AUXPWR		0x10
446 #define RL_CFG2_MSI		0x20
447 
448 /*
449  * Config 3 register
450  */
451 #define RL_CFG3_GRANTSEL	0x80
452 #define RL_CFG3_WOL_MAGIC	0x20
453 #define RL_CFG3_WOL_LINK	0x10
454 #define RL_CFG3_JUMBO_EN0	0x04
455 #define RL_CFG3_FAST_B2B	0x01
456 
457 /*
458  * Config 4 register
459  */
460 #define RL_CFG4_CUSTOM_LED	0x40
461 #define RL_CFG4_LWPTN		0x04
462 #define RL_CFG4_LWPME		0x10
463 #define RL_CFG4_JUMBO_EN1	0x02
464 #define RL_CFG4_8168E_JUMBO_EN1 0x01
465 
466 /*
467  * Config 5 register
468  */
469 #define RL_CFG5_WOL_BCAST	0x40
470 #define RL_CFG5_WOL_MCAST	0x20
471 #define RL_CFG5_WOL_UCAST	0x10
472 #define RL_CFG5_WOL_LANWAKE	0x02
473 #define RL_CFG5_PME_STS		0x01
474 
475 /*
476  * 8139C+ register definitions
477  */
478 
479 /* RL_DUMPSTATS_LO register */
480 
481 #define RL_DUMPSTATS_START	0x00000008
482 
483 /* Transmit start register */
484 
485 #define RL_TXSTART_SWI		0x01	/* generate TX interrupt */
486 #define RL_TXSTART_START	0x40	/* start normal queue transmit */
487 #define RL_TXSTART_HPRIO_START	0x80	/* start hi prio queue transmit */
488 
489 /*
490  * Config 2 register, 8139C+/8169/8169S/8110S only
491  */
492 #define RL_CFG2_BUSFREQ		0x07
493 #define RL_CFG2_BUSWIDTH	0x08
494 #define RL_CFG2_AUXPWRSTS	0x10
495 
496 #define RL_BUSFREQ_33MHZ	0x00
497 #define RL_BUSFREQ_66MHZ	0x01
498 
499 #define RL_BUSWIDTH_32BITS	0x00
500 #define RL_BUSWIDTH_64BITS	0x08
501 
502 /* C+ mode command register */
503 
504 #define RL_CPLUSCMD_TXENB	0x0001	/* enable C+ transmit mode */
505 #define RL_CPLUSCMD_RXENB	0x0002	/* enable C+ receive mode */
506 #define RL_CPLUSCMD_PCI_MRW	0x0008	/* enable PCI multi-read/write */
507 #define RL_CPLUSCMD_PCI_DAC	0x0010	/* PCI dual-address cycle only */
508 #define RL_CPLUSCMD_RXCSUM_ENB	0x0020	/* enable RX checksum offload */
509 #define RL_CPLUSCMD_VLANSTRIP	0x0040	/* enable VLAN tag stripping */
510 #define	RL_CPLUSCMD_MACSTAT_DIS	0x0080	/* 8168B/C/CP */
511 #define	RL_CPLUSCMD_ASF		0x0100	/* 8168C/CP */
512 #define	RL_CPLUSCMD_DBG_SEL	0x0200	/* 8168C/CP */
513 #define	RL_CPLUSCMD_FORCE_TXFC	0x0400	/* 8168C/CP */
514 #define	RL_CPLUSCMD_FORCE_RXFC	0x0800	/* 8168C/CP */
515 #define	RL_CPLUSCMD_FORCE_HDPX	0x1000	/* 8168C/CP */
516 #define	RL_CPLUSCMD_NORMAL_MODE	0x2000	/* 8168C/CP */
517 #define	RL_CPLUSCMD_DBG_ENB	0x4000	/* 8168C/CP */
518 #define	RL_CPLUSCMD_BIST_ENB	0x8000	/* 8168C/CP */
519 
520 /* C+ early transmit threshold */
521 
522 #define RL_EARLYTXTHRESH_CNT	0x003F	/* byte count times 8 */
523 
524 /*
525  * Gigabit PHY access register (8169 only)
526  */
527 
528 #define RL_PHYAR_PHYDATA	0x0000FFFF
529 #define RL_PHYAR_PHYREG		0x001F0000
530 #define RL_PHYAR_BUSY		0x80000000
531 
532 /*
533  * Gigabit media status (8169 only)
534  */
535 #define RL_GMEDIASTAT_FDX	0x01	/* full duplex */
536 #define RL_GMEDIASTAT_LINK	0x02	/* link up */
537 #define RL_GMEDIASTAT_10MBPS	0x04	/* 10mps link */
538 #define RL_GMEDIASTAT_100MBPS	0x08	/* 100mbps link */
539 #define RL_GMEDIASTAT_1000MBPS	0x10	/* gigE link */
540 #define RL_GMEDIASTAT_RXFLOW	0x20	/* RX flow control on */
541 #define RL_GMEDIASTAT_TXFLOW	0x40	/* TX flow control on */
542 #define RL_GMEDIASTAT_TBI	0x80	/* TBI enabled */
543 
544 /*
545  * The Realtek doesn't use a fragment-based descriptor mechanism.
546  * Instead, there are only four register sets, each of which represents
547  * one 'descriptor.' Basically, each TX descriptor is just a contiguous
548  * packet buffer (32-bit aligned!) and we place the buffer addresses in
549  * the registers so the chip knows where they are.
550  *
551  * We can sort of kludge together the same kind of buffer management
552  * used in previous drivers, but we have to do buffer copies almost all
553  * the time, so it doesn't really buy us much.
554  *
555  * For reception, there's just one large buffer where the chip stores
556  * all received packets.
557  */
558 
559 #define RL_RX_BUF_SZ		RL_RXBUF_64
560 #define RL_RXBUFLEN		(1 << ((RL_RX_BUF_SZ >> 11) + 13))
561 #define RL_TX_LIST_CNT		4
562 #define RL_MIN_FRAMELEN		60
563 #define RL_TXTHRESH(x)		((x) << 11)
564 #define RL_TX_THRESH_INIT	96
565 #define RL_RX_FIFOTHRESH	RL_RXFIFO_NOTHRESH
566 #define RL_RX_MAXDMA		RL_RXDMA_UNLIMITED
567 #define RL_TX_MAXDMA		RL_TXDMA_2048BYTES
568 
569 #define RL_RXCFG_CONFIG		(RL_RX_FIFOTHRESH|RL_RX_MAXDMA|RL_RX_BUF_SZ)
570 #define RL_TXCFG_CONFIG		(RL_TXCFG_IFG|RL_TX_MAXDMA)
571 
572 #define RL_IM_MAGIC		0x5050
573 #define RL_IM_RXTIME(t)		((t) & 0xf)
574 #define RL_IM_TXTIME(t)		(((t) & 0xf) << 8)
575 
576 struct rl_chain_data {
577 	u_int16_t		cur_rx;
578 	caddr_t			rl_rx_buf;
579 	caddr_t			rl_rx_buf_ptr;
580 	bus_addr_t		rl_rx_buf_pa;
581 
582 	struct mbuf		*rl_tx_chain[RL_TX_LIST_CNT];
583 	bus_dmamap_t		rl_tx_dmamap[RL_TX_LIST_CNT];
584 	u_int8_t		last_tx;
585 	u_int8_t		cur_tx;
586 };
587 
588 
589 /*
590  * The 8139C+ and 8160 gigE chips support descriptor-based TX
591  * and RX. In fact, they even support TCP large send. Descriptors
592  * must be allocated in contiguous blocks that are aligned on a
593  * 256-byte boundary. The rings can hold a maximum of 64 descriptors.
594  */
595 
596 /*
597  * RX/TX descriptor definition. When large send mode is enabled, the
598  * lower 11 bits of the TX rl_cmd word are used to hold the MSS, and
599  * the checksum offload bits are disabled. The structure layout is
600  * the same for RX and TX descriptors
601  */
602 
603 struct rl_desc {
604 	volatile u_int32_t	rl_cmdstat;
605 	volatile u_int32_t	rl_vlanctl;
606 	volatile u_int32_t	rl_bufaddr_lo;
607 	volatile u_int32_t	rl_bufaddr_hi;
608 };
609 
610 #define RL_TDESC_CMD_FRAGLEN	0x0000FFFF
611 #define RL_TDESC_CMD_TCPCSUM	0x00010000	/* TCP checksum enable */
612 #define RL_TDESC_CMD_UDPCSUM	0x00020000	/* UDP checksum enable */
613 #define RL_TDESC_CMD_IPCSUM	0x00040000	/* IP header checksum enable */
614 #define RL_TDESC_CMD_MSSVAL	0x07FF0000	/* Large send MSS value */
615 #define RL_TDESC_CMD_LGSEND	0x08000000	/* TCP large send enb */
616 #define RL_TDESC_CMD_EOF	0x10000000	/* end of frame marker */
617 #define RL_TDESC_CMD_SOF	0x20000000	/* start of frame marker */
618 #define RL_TDESC_CMD_EOR	0x40000000	/* end of ring marker */
619 #define RL_TDESC_CMD_OWN	0x80000000	/* chip owns descriptor */
620 
621 #define RL_TDESC_VLANCTL_TAG	0x00020000	/* Insert VLAN tag */
622 #define RL_TDESC_VLANCTL_DATA	0x0000FFFF	/* TAG data */
623 /* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */
624 #define	RL_TDESC_CMD_IPCSUMV2	0x20000000
625 #define	RL_TDESC_CMD_TCPCSUMV2	0x40000000
626 #define	RL_TDESC_CMD_UDPCSUMV2	0x80000000
627 
628 /*
629  * Error bits are valid only on the last descriptor of a frame
630  * (i.e. RL_TDESC_CMD_EOF == 1)
631  */
632 
633 #define RL_TDESC_STAT_COLCNT	0x000F0000	/* collision count */
634 #define RL_TDESC_STAT_EXCESSCOL	0x00100000	/* excessive collisions */
635 #define RL_TDESC_STAT_LINKFAIL	0x00200000	/* link failure */
636 #define RL_TDESC_STAT_OWINCOL	0x00400000	/* out-of-window collision */
637 #define RL_TDESC_STAT_TXERRSUM	0x00800000	/* transmit error summary */
638 #define RL_TDESC_STAT_UNDERRUN	0x02000000	/* TX underrun occurred */
639 #define RL_TDESC_STAT_OWN	0x80000000
640 
641 /*
642  * RX descriptor cmd/vlan definitions
643  */
644 
645 #define RL_RDESC_CMD_EOR	0x40000000
646 #define RL_RDESC_CMD_OWN	0x80000000
647 #define RL_RDESC_CMD_BUFLEN	0x00001FFF
648 
649 #define RL_RDESC_STAT_OWN	0x80000000
650 #define RL_RDESC_STAT_EOR	0x40000000
651 #define RL_RDESC_STAT_SOF	0x20000000
652 #define RL_RDESC_STAT_EOF	0x10000000
653 #define RL_RDESC_STAT_FRALIGN	0x08000000	/* frame alignment error */
654 #define RL_RDESC_STAT_MCAST	0x04000000	/* multicast pkt received */
655 #define RL_RDESC_STAT_UCAST	0x02000000	/* unicast pkt received */
656 #define RL_RDESC_STAT_BCAST	0x01000000	/* broadcast pkt received */
657 #define RL_RDESC_STAT_BUFOFLOW	0x00800000	/* out of buffer space */
658 #define RL_RDESC_STAT_FIFOOFLOW	0x00400000	/* FIFO overrun */
659 #define RL_RDESC_STAT_GIANT	0x00200000	/* pkt > 4096 bytes */
660 #define RL_RDESC_STAT_RXERRSUM	0x00100000	/* RX error summary */
661 #define RL_RDESC_STAT_RUNT	0x00080000	/* runt packet received */
662 #define RL_RDESC_STAT_CRCERR	0x00040000	/* CRC error */
663 #define RL_RDESC_STAT_PROTOID	0x00030000	/* Protocol type */
664 #define	RL_RDESC_STAT_UDP	0x00020000	/* UDP, 8168C/CP, 8111C/CP */
665 #define	RL_RDESC_STAT_TCP	0x00010000	/* TCP, 8168C/CP, 8111C/CP */
666 #define RL_RDESC_STAT_IPSUMBAD	0x00008000	/* IP header checksum bad */
667 #define RL_RDESC_STAT_UDPSUMBAD	0x00004000	/* UDP checksum bad */
668 #define RL_RDESC_STAT_TCPSUMBAD	0x00002000	/* TCP checksum bad */
669 #define RL_RDESC_STAT_FRAGLEN	0x00001FFF	/* RX'ed frame/frag len */
670 #define RL_RDESC_STAT_GFRAGLEN	0x00003FFF	/* RX'ed frame/frag len */
671 #define RL_RDESC_STAT_ERRS	(RL_RDESC_STAT_GIANT|RL_RDESC_STAT_RUNT| \
672 				 RL_RDESC_STAT_CRCERR)
673 
674 #define RL_RDESC_VLANCTL_TAG	0x00010000	/* VLAN tag available
675 						   (rl_vlandata valid)*/
676 #define RL_RDESC_VLANCTL_DATA	0x0000FFFF	/* TAG data */
677 /* RTL8168C/RTL8168CP/RTL8111C/RTL8111CP */
678 #define	RL_RDESC_IPV6		0x80000000
679 #define	RL_RDESC_IPV4		0x40000000
680 
681 #define RL_PROTOID_NONIP	0x00000000
682 #define RL_PROTOID_TCPIP	0x00010000
683 #define RL_PROTOID_UDPIP	0x00020000
684 #define RL_PROTOID_IP		0x00030000
685 #define RL_TCPPKT(x)		(((x) & RL_RDESC_STAT_PROTOID) == \
686 				 RL_PROTOID_TCPIP)
687 #define RL_UDPPKT(x)		(((x) & RL_RDESC_STAT_PROTOID) == \
688 				 RL_PROTOID_UDPIP)
689 
690 /*
691  * Statistics counter structure (8139C+ and 8169 only)
692  */
693 
694 struct re_stats {
695 	uint64_t		re_tx_ok;
696 	uint64_t		re_rx_ok;
697 	uint64_t		re_tx_er;
698 	uint32_t		re_rx_er;
699 	uint16_t		re_miss_pkt;
700 	uint16_t		re_fae;
701 	uint32_t		re_tx_1col;
702 	uint32_t		re_tx_mcol;
703 	uint64_t		re_rx_ok_phy;
704 	uint64_t		re_rx_ok_brd;
705 	uint32_t		re_rx_ok_mul;
706 	uint16_t		re_tx_abt;
707 	uint16_t		re_tx_undrn;
708 } __packed __aligned(sizeof(uint64_t));
709 
710 #define RE_STATS_ALIGNMENT	64
711 
712 /*
713  * Rx/Tx descriptor parameters (8139C+ and 8169 only)
714  *
715  * 8139C+
716  *  Number of descriptors supported : up to 64
717  *  Descriptor alignment : 256 bytes
718  *  Tx buffer : At least 4 bytes in length.
719  *  Rx buffer : At least 8 bytes in length and 8 bytes alignment required.
720  *
721  * 8169
722  *  Number of descriptors supported : up to 1024
723  *  Descriptor alignment : 256 bytes
724  *  Tx buffer : At least 4 bytes in length.
725  *  Rx buffer : At least 8 bytes in length and 8 bytes alignment required.
726  */
727 #define RL_8169_TX_DESC_CNT	1024
728 #define RL_8169_RX_DESC_CNT	1024
729 #define RL_8139_TX_DESC_CNT	64
730 #define RL_8139_RX_DESC_CNT	64
731 #define RL_TX_DESC_CNT		RL_8169_TX_DESC_CNT
732 #define RL_RX_DESC_CNT		RL_8169_RX_DESC_CNT
733 #define RL_8169_NTXSEGS		32
734 #define RL_8139_NTXSEGS		8
735 
736 #define RL_TX_QLEN		64
737 
738 #define RL_RING_ALIGN		256
739 #define RL_PKTSZ(x)		((x)/* >> 3*/)
740 #ifdef __STRICT_ALIGNMENT
741 #define RE_ETHER_ALIGN		2
742 #define RE_RX_DESC_BUFLEN	(MCLBYTES - RE_ETHER_ALIGN)
743 #else
744 #define RE_ETHER_ALIGN		0
745 #define RE_RX_DESC_BUFLEN	MCLBYTES
746 #endif
747 
748 #define RL_TX_LIST_SZ(sc)	\
749 	((sc)->rl_ldata.rl_tx_desc_cnt * sizeof(struct rl_desc))
750 #define RL_RX_LIST_SZ(sc)	\
751 	((sc)->rl_ldata.rl_rx_desc_cnt * sizeof(struct rl_desc))
752 #define RL_NEXT_TX_DESC(sc, x)	\
753 	(((x) + 1) % (sc)->rl_ldata.rl_tx_desc_cnt)
754 #define RL_NEXT_RX_DESC(sc, x)	\
755 	(((x) + 1) % (sc)->rl_ldata.rl_rx_desc_cnt)
756 #define RL_NEXT_TXQ(sc, x)	\
757 	(((x) + 1) % RL_TX_QLEN)
758 
759 #define RL_TXDESCSYNC(sc, idx, ops)		\
760 	bus_dmamap_sync((sc)->sc_dmat,		\
761 	    (sc)->rl_ldata.rl_tx_list_map,	\
762 	    sizeof(struct rl_desc) * (idx),	\
763 	    sizeof(struct rl_desc),		\
764 	    (ops))
765 #define RL_RXDESCSYNC(sc, idx, ops)		\
766 	bus_dmamap_sync((sc)->sc_dmat,		\
767 	    (sc)->rl_ldata.rl_rx_list_map,	\
768 	    sizeof(struct rl_desc) * (idx),	\
769 	    sizeof(struct rl_desc),		\
770 	    (ops))
771 
772 #define RL_ADDR_LO(y)	((u_int64_t) (y) & 0xFFFFFFFF)
773 #define RL_ADDR_HI(y)	((u_int64_t) (y) >> 32)
774 
775 #define RL_JUMBO_FRAMELEN 	(9 * 1024)
776 #define RL_JUMBO_MTU_4K		\
777 	((4 * 1024) - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
778 #define RL_JUMBO_MTU_6K		\
779 	((6 * 1024) - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
780 #define RL_JUMBO_MTU_7K		\
781 	((7 * 1024) - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
782 #define RL_JUMBO_MTU_9K		\
783 	((9 * 1024) - ETHER_HDR_LEN - ETHER_CRC_LEN - ETHER_VLAN_ENCAP_LEN)
784 #define RL_MTU			ETHERMTU
785 
786 #define MAX_NUM_MULTICAST_ADDRESSES	128
787 
788 #define RL_INC(x)		(x = (x + 1) % RL_TX_LIST_CNT)
789 #define RL_CUR_TXADDR(x)	((x->rl_cdata.cur_tx * 4) + RL_TXADDR0)
790 #define RL_CUR_TXSTAT(x)	((x->rl_cdata.cur_tx * 4) + RL_TXSTAT0)
791 #define RL_CUR_TXMBUF(x)	(x->rl_cdata.rl_tx_chain[x->rl_cdata.cur_tx])
792 #define RL_CUR_TXMAP(x)		(x->rl_cdata.rl_tx_dmamap[x->rl_cdata.cur_tx])
793 #define RL_LAST_TXADDR(x)	((x->rl_cdata.last_tx * 4) + RL_TXADDR0)
794 #define RL_LAST_TXSTAT(x)	((x->rl_cdata.last_tx * 4) + RL_TXSTAT0)
795 #define RL_LAST_TXMBUF(x)	(x->rl_cdata.rl_tx_chain[x->rl_cdata.last_tx])
796 #define RL_LAST_TXMAP(x)	(x->rl_cdata.rl_tx_dmamap[x->rl_cdata.last_tx])
797 
798 struct rl_type {
799 	u_int16_t		rl_vid;
800 	u_int16_t		rl_did;
801 };
802 
803 struct rl_mii_frame {
804 	u_int8_t		mii_stdelim;
805 	u_int8_t		mii_opcode;
806 	u_int8_t		mii_phyaddr;
807 	u_int8_t		mii_regaddr;
808 	u_int8_t		mii_turnaround;
809 	u_int16_t		mii_data;
810 };
811 
812 /*
813  * MII constants
814  */
815 #define RL_MII_STARTDELIM	0x01
816 #define RL_MII_READOP		0x02
817 #define RL_MII_WRITEOP		0x01
818 #define RL_MII_TURNAROUND	0x02
819 
820 #define	RL_UNKNOWN		0
821 #define RL_8129			1
822 #define RL_8139			2
823 
824 struct rl_rxsoft {
825 	struct mbuf		*rxs_mbuf;
826 	bus_dmamap_t		rxs_dmamap;
827 };
828 
829 struct rl_txq {
830 	struct mbuf *txq_mbuf;
831 	bus_dmamap_t txq_dmamap;
832 	int txq_descidx;
833 	int txq_nsegs;
834 };
835 
836 struct rl_list_data {
837 	struct rl_txq		rl_txq[RL_TX_DESC_CNT];
838 	int			rl_txq_considx;
839 	int			rl_txq_prodidx;
840 
841 	bus_dmamap_t		rl_tx_list_map;
842 	struct rl_desc		*rl_tx_list;
843 	int			rl_tx_free;	/* # of free descriptors */
844 	int			rl_tx_nextfree; /* next descriptor to use */
845 	int			rl_tx_desc_cnt; /* # of descriptors */
846 	int			rl_tx_ndescs;	/* descs per tx packet */
847 	bus_dma_segment_t	rl_tx_listseg;
848 	int			rl_tx_listnseg;
849 
850 	struct rl_rxsoft	rl_rxsoft[RL_RX_DESC_CNT];
851 	bus_dmamap_t		rl_rx_list_map;
852 	struct rl_desc		*rl_rx_list;
853 	int			rl_rx_considx;
854 	int			rl_rx_prodidx;
855 	int			rl_rx_desc_cnt;	/* # of descriptors */
856 	struct if_rxring	rl_rx_ring;
857 	bus_dma_segment_t	rl_rx_listseg;
858 	int			rl_rx_listnseg;
859 };
860 
861 struct kstat;
862 
863 struct rl_softc {
864 	struct device		sc_dev;		/* us, as a device */
865 	void *			sc_ih;		/* interrupt vectoring */
866 	bus_space_handle_t	rl_bhandle;	/* bus space handle */
867 	bus_space_tag_t		rl_btag;	/* bus space tag */
868 	bus_dma_tag_t		sc_dmat;
869 	bus_dma_segment_t 	sc_rx_seg;
870 	bus_dmamap_t		sc_rx_dmamap;
871 	struct arpcom		sc_arpcom;	/* interface info */
872 	struct mii_data		sc_mii;		/* MII information */
873 	u_int8_t		rl_type;
874 	u_int32_t		sc_hwrev;
875 	u_int16_t		sc_product;
876 	int			rl_max_mtu;
877 	int			rl_eecmd_read;
878 	int			rl_eewidth;
879 	int			rl_bus_speed;
880 	int			rl_txthresh;
881 	bus_size_t		rl_cfg0;
882 	bus_size_t		rl_cfg1;
883 	bus_size_t		rl_cfg2;
884 	bus_size_t		rl_cfg3;
885 	bus_size_t		rl_cfg4;
886 	bus_size_t		rl_cfg5;
887 	struct rl_chain_data	rl_cdata;
888 	struct timeout		sc_tick_tmo;
889 
890 	struct rl_list_data	rl_ldata;
891 	struct mbuf		*rl_head;
892 	struct mbuf		*rl_tail;
893 	u_int32_t		rl_rxlenmask;
894 	struct timeout		timer_handle;
895 	struct task		rl_start;
896 
897 	int			rl_txstart;
898 	u_int32_t		rl_flags;
899 #define	RL_FLAG_MSI		0x00000001
900 #define	RL_FLAG_PCI64		0x00000002
901 #define	RL_FLAG_PCIE		0x00000004
902 #define	RL_FLAG_PHYWAKE		0x00000008
903 #define	RL_FLAG_PAR		0x00000010
904 #define	RL_FLAG_DESCV2		0x00000020
905 #define	RL_FLAG_MACSTAT		0x00000040
906 #define	RL_FLAG_HWIM		0x00000080
907 #define	RL_FLAG_TIMERINTR	0x00000100
908 #define	RL_FLAG_MACRESET	0x00000200
909 #define	RL_FLAG_CMDSTOP		0x00000400
910 #define	RL_FLAG_MACSLEEP	0x00000800
911 #define	RL_FLAG_AUTOPAD		0x00001000
912 #define	RL_FLAG_LINK		0x00002000
913 #define	RL_FLAG_PHYWAKE_PM	0x00004000
914 #define	RL_FLAG_EARLYOFF	0x00008000
915 #define	RL_FLAG_EARLYOFFV2	0x00010000
916 #define	RL_FLAG_RXDV_GATED	0x00020000
917 #define	RL_FLAG_FASTETHER	0x00040000
918 #define	RL_FLAG_CMDSTOP_WAIT_TXQ 0x00080000
919 #define	RL_FLAG_JUMBOV2		0x00100000
920 #define	RL_FLAG_WOL_MANLINK	0x00200000
921 #define	RL_FLAG_WAIT_TXPOLL	0x00400000
922 #define	RL_FLAG_WOLRXENB	0x00800000
923 
924 	u_int16_t		rl_intrs;
925 	u_int16_t		rl_tx_ack;
926 	u_int16_t		rl_rx_ack;
927 	int			rl_tx_time;
928 	int			rl_rx_time;
929 	int			rl_sim_time;
930 	int			rl_imtype;
931 #define	RL_IMTYPE_NONE		0
932 #define	RL_IMTYPE_SIM		1	/* simulated */
933 #define	RL_IMTYPE_HW		2	/* hardware based */
934 	int			rl_timerintr;
935 
936 	struct kstat		*rl_kstat;
937 };
938 
939 /*
940  * re(4) hardware ip4csum-tx could be mangled with 28 byte or less IP packets
941  */
942 #define RL_IP4CSUMTX_MINLEN	28
943 #define RL_IP4CSUMTX_PADLEN	(ETHER_HDR_LEN + RL_IP4CSUMTX_MINLEN)
944 /*
945  * XXX
946  * We are allocating pad DMA buffer after RX DMA descs for now
947  * because RL_TX_LIST_SZ(sc) always occupies whole page but
948  * RL_RX_LIST_SZ is less than PAGE_SIZE so there is some unused region.
949  */
950 #define RL_RX_DMAMEM_SZ(sc)	(RL_RX_LIST_SZ(sc) + RL_IP4CSUMTX_PADLEN)
951 #define RL_TXPADOFF(sc)		RL_RX_LIST_SZ(sc)
952 #define RL_TXPADDADDR(sc)	\
953 	((sc)->rl_ldata.rl_rx_list_map->dm_segs[0].ds_addr + RL_TXPADOFF(sc))
954 
955 /*
956  * register space access macros
957  */
958 #define CSR_WRITE_RAW_4(sc, csr, val) \
959 	bus_space_write_raw_region_4(sc->rl_btag, sc->rl_bhandle, csr, val, 4)
960 #define CSR_WRITE_4(sc, csr, val) \
961 	bus_space_write_4(sc->rl_btag, sc->rl_bhandle, csr, val)
962 #define CSR_WRITE_2(sc, csr, val) \
963 	bus_space_write_2(sc->rl_btag, sc->rl_bhandle, csr, val)
964 #define CSR_WRITE_1(sc, csr, val) \
965 	bus_space_write_1(sc->rl_btag, sc->rl_bhandle, csr, val)
966 
967 #define CSR_READ_4(sc, csr) \
968 	bus_space_read_4(sc->rl_btag, sc->rl_bhandle, csr)
969 #define CSR_READ_2(sc, csr) \
970 	bus_space_read_2(sc->rl_btag, sc->rl_bhandle, csr)
971 #define CSR_READ_1(sc, csr) \
972 	bus_space_read_1(sc->rl_btag, sc->rl_bhandle, csr)
973 
974 #define CSR_SETBIT_1(sc, offset, val)		\
975 	CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) | (val))
976 
977 #define CSR_CLRBIT_1(sc, offset, val)		\
978 	CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) & ~(val))
979 
980 #define CSR_SETBIT_2(sc, offset, val)		\
981 	CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) | (val))
982 
983 #define CSR_CLRBIT_2(sc, offset, val)		\
984 	CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) & ~(val))
985 
986 #define CSR_SETBIT_4(sc, offset, val)		\
987 	CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) | (val))
988 
989 #define CSR_CLRBIT_4(sc, offset, val)		\
990 	CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) & ~(val))
991 
992 #define RL_TIMEOUT		1000
993 #define RL_PHY_TIMEOUT		20
994 
995 /*
996  * General constants that are fun to know.
997  *
998  * Realtek PCI vendor ID
999  */
1000 #define	RT_VENDORID				0x10EC
1001 
1002 /*
1003  * Realtek chip device IDs.
1004  */
1005 #define RT_DEVICEID_8129			0x8129
1006 #define RT_DEVICEID_8101E			0x8136
1007 #define RT_DEVICEID_8138			0x8138
1008 #define RT_DEVICEID_8139			0x8139
1009 #define RT_DEVICEID_8169SC			0x8167
1010 #define RT_DEVICEID_8168			0x8168
1011 #define RT_DEVICEID_8169			0x8169
1012 #define RT_DEVICEID_8100			0x8100
1013 
1014 /*
1015  * Accton PCI vendor ID
1016  */
1017 #define ACCTON_VENDORID				0x1113
1018 
1019 /*
1020  * Accton MPX 5030/5038 device ID.
1021  */
1022 #define ACCTON_DEVICEID_5030			0x1211
1023 
1024 /*
1025  * Delta Electronics Vendor ID.
1026  */
1027 #define DELTA_VENDORID				0x1500
1028 
1029 /*
1030  * Delta device IDs.
1031  */
1032 #define DELTA_DEVICEID_8139			0x1360
1033 
1034 /*
1035  * Addtron vendor ID.
1036  */
1037 #define ADDTRON_VENDORID			0x4033
1038 
1039 /*
1040  * Addtron device IDs.
1041  */
1042 #define ADDTRON_DEVICEID_8139			0x1360
1043 
1044 /* D-Link Vendor ID */
1045 #define DLINK_VENDORID				0x1186
1046 
1047 /* D-Link device IDs */
1048 #define DLINK_DEVICEID_8139			0x1300
1049 #define DLINK_DEVICEID_8139_2			0x1340
1050 
1051 /* Abocom device IDs */
1052 #define ABOCOM_DEVICEID_8139			0xab06
1053 
1054 /*
1055  * PCI low memory base and low I/O base register, and
1056  * other PCI registers. Note: some are only available on
1057  * the 3c905B, in particular those that related to power management.
1058  */
1059 
1060 #define RL_PCI_VENDOR_ID	0x00
1061 #define RL_PCI_DEVICE_ID	0x02
1062 #define RL_PCI_COMMAND		0x04
1063 #define RL_PCI_STATUS		0x06
1064 #define RL_PCI_CLASSCODE	0x09
1065 #define RL_PCI_LATENCY_TIMER	0x0D
1066 #define RL_PCI_HEADER_TYPE	0x0E
1067 #define RL_PCI_LOIO		0x10
1068 #define RL_PCI_LOMEM		0x14
1069 #define RL_PCI_LOMEM64		0x18
1070 #define RL_PCI_BIOSROM		0x30
1071 #define RL_PCI_INTLINE		0x3C
1072 #define RL_PCI_INTPIN		0x3D
1073 #define RL_PCI_MINGNT		0x3E
1074 #define RL_PCI_MINLAT		0x0F
1075 #define RL_PCI_PMCSR		0x44
1076 #define RL_PCI_RESETOPT		0x48
1077 #define RL_PCI_EEPROM_DATA	0x4C
1078 
1079 #define RL_PCI_CAPID		0x50 /* 8 bits */
1080 #define RL_PCI_NEXTPTR		0x51 /* 8 bits */
1081 #define RL_PCI_PWRMGMTCAP	0x52 /* 16 bits */
1082 #define RL_PCI_PWRMGMTCTRL	0x54 /* 16 bits */
1083 
1084 #define RL_PSTATE_MASK		0x0003
1085 #define RL_PSTATE_D0		0x0000
1086 #define RL_PSTATE_D1		0x0001
1087 #define RL_PSTATE_D2		0x0002
1088 #define RL_PSTATE_D3		0x0003
1089 #define RL_PME_EN		0x0100
1090 #define RL_PME_STATUS		0x8000
1091 
1092 extern int rl_attach(struct rl_softc *);
1093 extern int rl_intr(void *);
1094 int rl_detach(struct rl_softc *);
1095 int rl_activate(struct device *, int);
1096