FreeBSD/Linux Kernel Cross Reference
sys/pci/if_rlreg.h
1 /*-
2 * Copyright (c) 1997, 1998-2003
3 * Bill Paul <wpaul@ctr.columbia.edu>. All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. All advertising materials mentioning features or use of this software
14 * must display the following acknowledgement:
15 * This product includes software developed by Bill Paul.
16 * 4. Neither the name of the author nor the names of any co-contributors
17 * may be used to endorse or promote products derived from this software
18 * without specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY Bill Paul AND CONTRIBUTORS ``AS IS'' AND
21 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
22 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
23 * ARE DISCLAIMED. IN NO EVENT SHALL Bill Paul OR THE VOICES IN HIS HEAD
24 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
25 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
26 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
27 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
28 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
29 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
30 * THE POSSIBILITY OF SUCH DAMAGE.
31 *
32 * $FreeBSD$
33 */
34
35 /*
36 * RealTek 8129/8139 register offsets
37 */
38 #define RL_IDR0 0x0000 /* ID register 0 (station addr) */
39 #define RL_IDR1 0x0001 /* Must use 32-bit accesses (?) */
40 #define RL_IDR2 0x0002
41 #define RL_IDR3 0x0003
42 #define RL_IDR4 0x0004
43 #define RL_IDR5 0x0005
44 /* 0006-0007 reserved */
45 #define RL_MAR0 0x0008 /* Multicast hash table */
46 #define RL_MAR1 0x0009
47 #define RL_MAR2 0x000A
48 #define RL_MAR3 0x000B
49 #define RL_MAR4 0x000C
50 #define RL_MAR5 0x000D
51 #define RL_MAR6 0x000E
52 #define RL_MAR7 0x000F
53
54 #define RL_TXSTAT0 0x0010 /* status of TX descriptor 0 */
55 #define RL_TXSTAT1 0x0014 /* status of TX descriptor 1 */
56 #define RL_TXSTAT2 0x0018 /* status of TX descriptor 2 */
57 #define RL_TXSTAT3 0x001C /* status of TX descriptor 3 */
58
59 #define RL_TXADDR0 0x0020 /* address of TX descriptor 0 */
60 #define RL_TXADDR1 0x0024 /* address of TX descriptor 1 */
61 #define RL_TXADDR2 0x0028 /* address of TX descriptor 2 */
62 #define RL_TXADDR3 0x002C /* address of TX descriptor 3 */
63
64 #define RL_RXADDR 0x0030 /* RX ring start address */
65 #define RL_RX_EARLY_BYTES 0x0034 /* RX early byte count */
66 #define RL_RX_EARLY_STAT 0x0036 /* RX early status */
67 #define RL_COMMAND 0x0037 /* command register */
68 #define RL_CURRXADDR 0x0038 /* current address of packet read */
69 #define RL_CURRXBUF 0x003A /* current RX buffer address */
70 #define RL_IMR 0x003C /* interrupt mask register */
71 #define RL_ISR 0x003E /* interrupt status register */
72 #define RL_TXCFG 0x0040 /* transmit config */
73 #define RL_RXCFG 0x0044 /* receive config */
74 #define RL_TIMERCNT 0x0048 /* timer count register */
75 #define RL_MISSEDPKT 0x004C /* missed packet counter */
76 #define RL_EECMD 0x0050 /* EEPROM command register */
77 #define RL_CFG0 0x0051 /* config register #0 */
78 #define RL_CFG1 0x0052 /* config register #1 */
79 /* 0053-0057 reserved */
80 #define RL_MEDIASTAT 0x0058 /* media status register (8139) */
81 /* 0059-005A reserved */
82 #define RL_MII 0x005A /* 8129 chip only */
83 #define RL_HALTCLK 0x005B
84 #define RL_MULTIINTR 0x005C /* multiple interrupt */
85 #define RL_PCIREV 0x005E /* PCI revision value */
86 /* 005F reserved */
87 #define RL_TXSTAT_ALL 0x0060 /* TX status of all descriptors */
88
89 /* Direct PHY access registers only available on 8139 */
90 #define RL_BMCR 0x0062 /* PHY basic mode control */
91 #define RL_BMSR 0x0064 /* PHY basic mode status */
92 #define RL_ANAR 0x0066 /* PHY autoneg advert */
93 #define RL_LPAR 0x0068 /* PHY link partner ability */
94 #define RL_ANER 0x006A /* PHY autoneg expansion */
95
96 #define RL_DISCCNT 0x006C /* disconnect counter */
97 #define RL_FALSECAR 0x006E /* false carrier counter */
98 #define RL_NWAYTST 0x0070 /* NWAY test register */
99 #define RL_RX_ER 0x0072 /* RX_ER counter */
100 #define RL_CSCFG 0x0074 /* CS configuration register */
101
102 /*
103 * When operating in special C+ mode, some of the registers in an
104 * 8139C+ chip have different definitions. These are also used for
105 * the 8169 gigE chip.
106 */
107 #define RL_DUMPSTATS_LO 0x0010 /* counter dump command register */
108 #define RL_DUMPSTATS_HI 0x0014 /* counter dump command register */
109 #define RL_TXLIST_ADDR_LO 0x0020 /* 64 bits, 256 byte alignment */
110 #define RL_TXLIST_ADDR_HI 0x0024 /* 64 bits, 256 byte alignment */
111 #define RL_TXLIST_ADDR_HPRIO_LO 0x0028 /* 64 bits, 256 byte alignment */
112 #define RL_TXLIST_ADDR_HPRIO_HI 0x002C /* 64 bits, 256 byte alignment */
113 #define RL_CFG2 0x0053
114 #define RL_TIMERINT 0x0054 /* interrupt on timer expire */
115 #define RL_TXSTART 0x00D9 /* 8 bits */
116 #define RL_CPLUS_CMD 0x00E0 /* 16 bits */
117 #define RL_RXLIST_ADDR_LO 0x00E4 /* 64 bits, 256 byte alignment */
118 #define RL_RXLIST_ADDR_HI 0x00E8 /* 64 bits, 256 byte alignment */
119 #define RL_EARLY_TX_THRESH 0x00EC /* 8 bits */
120
121 /*
122 * Registers specific to the 8169 gigE chip
123 */
124 #define RL_TIMERINT_8169 0x0058 /* different offset than 8139 */
125 #define RL_PHYAR 0x0060
126 #define RL_TBICSR 0x0064
127 #define RL_TBI_ANAR 0x0068
128 #define RL_TBI_LPAR 0x006A
129 #define RL_GMEDIASTAT 0x006C /* 8 bits */
130 #define RL_MAXRXPKTLEN 0x00DA /* 16 bits, chip multiplies by 8 */
131 #define RL_GTXSTART 0x0038 /* 16 bits */
132
133 /*
134 * TX config register bits
135 */
136 #define RL_TXCFG_CLRABRT 0x00000001 /* retransmit aborted pkt */
137 #define RL_TXCFG_MAXDMA 0x00000700 /* max DMA burst size */
138 #define RL_TXCFG_CRCAPPEND 0x00010000 /* CRC append (0 = yes) */
139 #define RL_TXCFG_LOOPBKTST 0x00060000 /* loopback test */
140 #define RL_TXCFG_IFG2 0x00080000 /* 8169 only */
141 #define RL_TXCFG_IFG 0x03000000 /* interframe gap */
142 #define RL_TXCFG_HWREV 0x7CC00000
143
144 #define RL_LOOPTEST_OFF 0x00000000
145 #define RL_LOOPTEST_ON 0x00020000
146 #define RL_LOOPTEST_ON_CPLUS 0x00060000
147
148 /* Known revision codes. */
149
150 #define RL_HWREV_8169 0x00000000
151 #define RL_HWREV_8110S 0x00800000
152 #define RL_HWREV_8169S 0x04000000
153 #define RL_HWREV_8169_8110SB 0x10000000
154 #define RL_HWREV_8169_8110SC 0x18000000
155 #define RL_HWREV_8168_SPIN1 0x30000000
156 #define RL_HWREV_8100E 0x30800000
157 #define RL_HWREV_8101E 0x34000000
158 #define RL_HWREV_8168_SPIN2 0x38000000
159 #define RL_HWREV_8168_SPIN3 0x38400000
160 #define RL_HWREV_8139 0x60000000
161 #define RL_HWREV_8139A 0x70000000
162 #define RL_HWREV_8139AG 0x70800000
163 #define RL_HWREV_8139B 0x78000000
164 #define RL_HWREV_8130 0x7C000000
165 #define RL_HWREV_8139C 0x74000000
166 #define RL_HWREV_8139D 0x74400000
167 #define RL_HWREV_8139CPLUS 0x74800000
168 #define RL_HWREV_8101 0x74c00000
169 #define RL_HWREV_8100 0x78800000
170
171 #define RL_TXDMA_16BYTES 0x00000000
172 #define RL_TXDMA_32BYTES 0x00000100
173 #define RL_TXDMA_64BYTES 0x00000200
174 #define RL_TXDMA_128BYTES 0x00000300
175 #define RL_TXDMA_256BYTES 0x00000400
176 #define RL_TXDMA_512BYTES 0x00000500
177 #define RL_TXDMA_1024BYTES 0x00000600
178 #define RL_TXDMA_2048BYTES 0x00000700
179
180 /*
181 * Transmit descriptor status register bits.
182 */
183 #define RL_TXSTAT_LENMASK 0x00001FFF
184 #define RL_TXSTAT_OWN 0x00002000
185 #define RL_TXSTAT_TX_UNDERRUN 0x00004000
186 #define RL_TXSTAT_TX_OK 0x00008000
187 #define RL_TXSTAT_EARLY_THRESH 0x003F0000
188 #define RL_TXSTAT_COLLCNT 0x0F000000
189 #define RL_TXSTAT_CARR_HBEAT 0x10000000
190 #define RL_TXSTAT_OUTOFWIN 0x20000000
191 #define RL_TXSTAT_TXABRT 0x40000000
192 #define RL_TXSTAT_CARRLOSS 0x80000000
193
194 /*
195 * Interrupt status register bits.
196 */
197 #define RL_ISR_RX_OK 0x0001
198 #define RL_ISR_RX_ERR 0x0002
199 #define RL_ISR_TX_OK 0x0004
200 #define RL_ISR_TX_ERR 0x0008
201 #define RL_ISR_RX_OVERRUN 0x0010
202 #define RL_ISR_PKT_UNDERRUN 0x0020
203 #define RL_ISR_LINKCHG 0x0020 /* 8169 only */
204 #define RL_ISR_FIFO_OFLOW 0x0040 /* 8139 only */
205 #define RL_ISR_TX_DESC_UNAVAIL 0x0080 /* C+ only */
206 #define RL_ISR_SWI 0x0100 /* C+ only */
207 #define RL_ISR_CABLE_LEN_CHGD 0x2000
208 #define RL_ISR_PCS_TIMEOUT 0x4000 /* 8129 only */
209 #define RL_ISR_TIMEOUT_EXPIRED 0x4000
210 #define RL_ISR_SYSTEM_ERR 0x8000
211
212 #define RL_INTRS \
213 (RL_ISR_TX_OK|RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \
214 RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
215 RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR)
216
217 #ifdef RE_TX_MODERATION
218 #define RL_INTRS_CPLUS \
219 (RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR| \
220 RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
221 RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED)
222 #else
223 #define RL_INTRS_CPLUS \
224 (RL_ISR_RX_OK|RL_ISR_RX_ERR|RL_ISR_TX_ERR|RL_ISR_TX_OK| \
225 RL_ISR_RX_OVERRUN|RL_ISR_PKT_UNDERRUN|RL_ISR_FIFO_OFLOW| \
226 RL_ISR_PCS_TIMEOUT|RL_ISR_SYSTEM_ERR|RL_ISR_TIMEOUT_EXPIRED)
227 #endif
228
229 /*
230 * Media status register. (8139 only)
231 */
232 #define RL_MEDIASTAT_RXPAUSE 0x01
233 #define RL_MEDIASTAT_TXPAUSE 0x02
234 #define RL_MEDIASTAT_LINK 0x04
235 #define RL_MEDIASTAT_SPEED10 0x08
236 #define RL_MEDIASTAT_RXFLOWCTL 0x40 /* duplex mode */
237 #define RL_MEDIASTAT_TXFLOWCTL 0x80 /* duplex mode */
238
239 /*
240 * Receive config register.
241 */
242 #define RL_RXCFG_RX_ALLPHYS 0x00000001 /* accept all nodes */
243 #define RL_RXCFG_RX_INDIV 0x00000002 /* match filter */
244 #define RL_RXCFG_RX_MULTI 0x00000004 /* accept all multicast */
245 #define RL_RXCFG_RX_BROAD 0x00000008 /* accept all broadcast */
246 #define RL_RXCFG_RX_RUNT 0x00000010
247 #define RL_RXCFG_RX_ERRPKT 0x00000020
248 #define RL_RXCFG_WRAP 0x00000080
249 #define RL_RXCFG_MAXDMA 0x00000700
250 #define RL_RXCFG_BUFSZ 0x00001800
251 #define RL_RXCFG_FIFOTHRESH 0x0000E000
252 #define RL_RXCFG_EARLYTHRESH 0x07000000
253
254 #define RL_RXDMA_16BYTES 0x00000000
255 #define RL_RXDMA_32BYTES 0x00000100
256 #define RL_RXDMA_64BYTES 0x00000200
257 #define RL_RXDMA_128BYTES 0x00000300
258 #define RL_RXDMA_256BYTES 0x00000400
259 #define RL_RXDMA_512BYTES 0x00000500
260 #define RL_RXDMA_1024BYTES 0x00000600
261 #define RL_RXDMA_UNLIMITED 0x00000700
262
263 #define RL_RXBUF_8 0x00000000
264 #define RL_RXBUF_16 0x00000800
265 #define RL_RXBUF_32 0x00001000
266 #define RL_RXBUF_64 0x00001800
267
268 #define RL_RXFIFO_16BYTES 0x00000000
269 #define RL_RXFIFO_32BYTES 0x00002000
270 #define RL_RXFIFO_64BYTES 0x00004000
271 #define RL_RXFIFO_128BYTES 0x00006000
272 #define RL_RXFIFO_256BYTES 0x00008000
273 #define RL_RXFIFO_512BYTES 0x0000A000
274 #define RL_RXFIFO_1024BYTES 0x0000C000
275 #define RL_RXFIFO_NOTHRESH 0x0000E000
276
277 /*
278 * Bits in RX status header (included with RX'ed packet
279 * in ring buffer).
280 */
281 #define RL_RXSTAT_RXOK 0x00000001
282 #define RL_RXSTAT_ALIGNERR 0x00000002
283 #define RL_RXSTAT_CRCERR 0x00000004
284 #define RL_RXSTAT_GIANT 0x00000008
285 #define RL_RXSTAT_RUNT 0x00000010
286 #define RL_RXSTAT_BADSYM 0x00000020
287 #define RL_RXSTAT_BROAD 0x00002000
288 #define RL_RXSTAT_INDIV 0x00004000
289 #define RL_RXSTAT_MULTI 0x00008000
290 #define RL_RXSTAT_LENMASK 0xFFFF0000
291
292 #define RL_RXSTAT_UNFINISHED 0xFFF0 /* DMA still in progress */
293 /*
294 * Command register.
295 */
296 #define RL_CMD_EMPTY_RXBUF 0x0001
297 #define RL_CMD_TX_ENB 0x0004
298 #define RL_CMD_RX_ENB 0x0008
299 #define RL_CMD_RESET 0x0010
300
301 /*
302 * EEPROM control register
303 */
304 #define RL_EE_DATAOUT 0x01 /* Data out */
305 #define RL_EE_DATAIN 0x02 /* Data in */
306 #define RL_EE_CLK 0x04 /* clock */
307 #define RL_EE_SEL 0x08 /* chip select */
308 #define RL_EE_MODE (0x40|0x80)
309
310 #define RL_EEMODE_OFF 0x00
311 #define RL_EEMODE_AUTOLOAD 0x40
312 #define RL_EEMODE_PROGRAM 0x80
313 #define RL_EEMODE_WRITECFG (0x80|0x40)
314
315 /* 9346 EEPROM commands */
316 #define RL_9346_ADDR_LEN 6 /* 93C46 1K: 128x16 */
317 #define RL_9356_ADDR_LEN 8 /* 93C56 2K: 256x16 */
318
319 #define RL_9346_WRITE 0x5
320 #define RL_9346_READ 0x6
321 #define RL_9346_ERASE 0x7
322 #define RL_9346_EWEN 0x4
323 #define RL_9346_EWEN_ADDR 0x30
324 #define RL_9456_EWDS 0x4
325 #define RL_9346_EWDS_ADDR 0x00
326
327 #define RL_EECMD_WRITE 0x140
328 #define RL_EECMD_READ_6BIT 0x180
329 #define RL_EECMD_READ_8BIT 0x600
330 #define RL_EECMD_ERASE 0x1c0
331
332 #define RL_EE_ID 0x00
333 #define RL_EE_PCI_VID 0x01
334 #define RL_EE_PCI_DID 0x02
335 /* Location of station address inside EEPROM */
336 #define RL_EE_EADDR 0x07
337
338 /*
339 * MII register (8129 only)
340 */
341 #define RL_MII_CLK 0x01
342 #define RL_MII_DATAIN 0x02
343 #define RL_MII_DATAOUT 0x04
344 #define RL_MII_DIR 0x80 /* 0 == input, 1 == output */
345
346 /*
347 * Config 0 register
348 */
349 #define RL_CFG0_ROM0 0x01
350 #define RL_CFG0_ROM1 0x02
351 #define RL_CFG0_ROM2 0x04
352 #define RL_CFG0_PL0 0x08
353 #define RL_CFG0_PL1 0x10
354 #define RL_CFG0_10MBPS 0x20 /* 10 Mbps internal mode */
355 #define RL_CFG0_PCS 0x40
356 #define RL_CFG0_SCR 0x80
357
358 /*
359 * Config 1 register
360 */
361 #define RL_CFG1_PWRDWN 0x01
362 #define RL_CFG1_SLEEP 0x02
363 #define RL_CFG1_IOMAP 0x04
364 #define RL_CFG1_MEMMAP 0x08
365 #define RL_CFG1_RSVD 0x10
366 #define RL_CFG1_DRVLOAD 0x20
367 #define RL_CFG1_LED0 0x40
368 #define RL_CFG1_FULLDUPLEX 0x40 /* 8129 only */
369 #define RL_CFG1_LED1 0x80
370
371 /*
372 * 8139C+ register definitions
373 */
374
375 /* RL_DUMPSTATS_LO register */
376
377 #define RL_DUMPSTATS_START 0x00000008
378
379 /* Transmit start register */
380
381 #define RL_TXSTART_SWI 0x01 /* generate TX interrupt */
382 #define RL_TXSTART_START 0x40 /* start normal queue transmit */
383 #define RL_TXSTART_HPRIO_START 0x80 /* start hi prio queue transmit */
384
385 /*
386 * Config 2 register, 8139C+/8169/8169S/8110S only
387 */
388 #define RL_CFG2_BUSFREQ 0x07
389 #define RL_CFG2_BUSWIDTH 0x08
390 #define RL_CFG2_AUXPWRSTS 0x10
391
392 #define RL_BUSFREQ_33MHZ 0x00
393 #define RL_BUSFREQ_66MHZ 0x01
394
395 #define RL_BUSWIDTH_32BITS 0x00
396 #define RL_BUSWIDTH_64BITS 0x08
397
398 /* C+ mode command register */
399
400 #define RL_CPLUSCMD_TXENB 0x0001 /* enable C+ transmit mode */
401 #define RL_CPLUSCMD_RXENB 0x0002 /* enable C+ receive mode */
402 #define RL_CPLUSCMD_PCI_MRW 0x0008 /* enable PCI multi-read/write */
403 #define RL_CPLUSCMD_PCI_DAC 0x0010 /* PCI dual-address cycle only */
404 #define RL_CPLUSCMD_RXCSUM_ENB 0x0020 /* enable RX checksum offload */
405 #define RL_CPLUSCMD_VLANSTRIP 0x0040 /* enable VLAN tag stripping */
406
407 /* C+ early transmit threshold */
408
409 #define RL_EARLYTXTHRESH_CNT 0x003F /* byte count times 8 */
410
411 /*
412 * Gigabit PHY access register (8169 only)
413 */
414
415 #define RL_PHYAR_PHYDATA 0x0000FFFF
416 #define RL_PHYAR_PHYREG 0x001F0000
417 #define RL_PHYAR_BUSY 0x80000000
418
419 /*
420 * Gigabit media status (8169 only)
421 */
422 #define RL_GMEDIASTAT_FDX 0x01 /* full duplex */
423 #define RL_GMEDIASTAT_LINK 0x02 /* link up */
424 #define RL_GMEDIASTAT_10MBPS 0x04 /* 10mps link */
425 #define RL_GMEDIASTAT_100MBPS 0x08 /* 100mbps link */
426 #define RL_GMEDIASTAT_1000MBPS 0x10 /* gigE link */
427 #define RL_GMEDIASTAT_RXFLOW 0x20 /* RX flow control on */
428 #define RL_GMEDIASTAT_TXFLOW 0x40 /* TX flow control on */
429 #define RL_GMEDIASTAT_TBI 0x80 /* TBI enabled */
430
431 /*
432 * The RealTek doesn't use a fragment-based descriptor mechanism.
433 * Instead, there are only four register sets, each or which represents
434 * one 'descriptor.' Basically, each TX descriptor is just a contiguous
435 * packet buffer (32-bit aligned!) and we place the buffer addresses in
436 * the registers so the chip knows where they are.
437 *
438 * We can sort of kludge together the same kind of buffer management
439 * used in previous drivers, but we have to do buffer copies almost all
440 * the time, so it doesn't really buy us much.
441 *
442 * For reception, there's just one large buffer where the chip stores
443 * all received packets.
444 */
445
446 #define RL_RX_BUF_SZ RL_RXBUF_64
447 #define RL_RXBUFLEN (1 << ((RL_RX_BUF_SZ >> 11) + 13))
448 #define RL_TX_LIST_CNT 4
449 #define RL_MIN_FRAMELEN 60
450 #define RL_TXTHRESH(x) ((x) << 11)
451 #define RL_TX_THRESH_INIT 96
452 #define RL_RX_FIFOTHRESH RL_RXFIFO_NOTHRESH
453 #define RL_RX_MAXDMA RL_RXDMA_UNLIMITED
454 #define RL_TX_MAXDMA RL_TXDMA_2048BYTES
455
456 #define RL_RXCFG_CONFIG (RL_RX_FIFOTHRESH|RL_RX_MAXDMA|RL_RX_BUF_SZ)
457 #define RL_TXCFG_CONFIG (RL_TXCFG_IFG|RL_TX_MAXDMA)
458
459 #define RL_ETHER_ALIGN 2
460
461 struct rl_chain_data {
462 uint16_t cur_rx;
463 uint8_t *rl_rx_buf;
464 uint8_t *rl_rx_buf_ptr;
465 bus_dmamap_t rl_rx_dmamap;
466
467 struct mbuf *rl_tx_chain[RL_TX_LIST_CNT];
468 bus_dmamap_t rl_tx_dmamap[RL_TX_LIST_CNT];
469 uint8_t last_tx;
470 uint8_t cur_tx;
471 };
472
473 #define RL_INC(x) (x = (x + 1) % RL_TX_LIST_CNT)
474 #define RL_CUR_TXADDR(x) ((x->rl_cdata.cur_tx * 4) + RL_TXADDR0)
475 #define RL_CUR_TXSTAT(x) ((x->rl_cdata.cur_tx * 4) + RL_TXSTAT0)
476 #define RL_CUR_TXMBUF(x) (x->rl_cdata.rl_tx_chain[x->rl_cdata.cur_tx])
477 #define RL_CUR_DMAMAP(x) (x->rl_cdata.rl_tx_dmamap[x->rl_cdata.cur_tx])
478 #define RL_LAST_TXADDR(x) ((x->rl_cdata.last_tx * 4) + RL_TXADDR0)
479 #define RL_LAST_TXSTAT(x) ((x->rl_cdata.last_tx * 4) + RL_TXSTAT0)
480 #define RL_LAST_TXMBUF(x) (x->rl_cdata.rl_tx_chain[x->rl_cdata.last_tx])
481 #define RL_LAST_DMAMAP(x) (x->rl_cdata.rl_tx_dmamap[x->rl_cdata.last_tx])
482
483 struct rl_type {
484 uint16_t rl_vid;
485 uint16_t rl_did;
486 int rl_basetype;
487 char *rl_name;
488 };
489
490 struct rl_hwrev {
491 uint32_t rl_rev;
492 int rl_type;
493 char *rl_desc;
494 };
495
496 struct rl_mii_frame {
497 uint8_t mii_stdelim;
498 uint8_t mii_opcode;
499 uint8_t mii_phyaddr;
500 uint8_t mii_regaddr;
501 uint8_t mii_turnaround;
502 uint16_t mii_data;
503 };
504
505 /*
506 * MII constants
507 */
508 #define RL_MII_STARTDELIM 0x01
509 #define RL_MII_READOP 0x02
510 #define RL_MII_WRITEOP 0x01
511 #define RL_MII_TURNAROUND 0x02
512
513 #define RL_8129 1
514 #define RL_8139 2
515 #define RL_8139CPLUS 3
516 #define RL_8169 4
517
518 #define RL_ISCPLUS(x) ((x)->rl_type == RL_8139CPLUS || \
519 (x)->rl_type == RL_8169)
520
521 /*
522 * The 8139C+ and 8160 gigE chips support descriptor-based TX
523 * and RX. In fact, they even support TCP large send. Descriptors
524 * must be allocated in contiguous blocks that are aligned on a
525 * 256-byte boundary. The rings can hold a maximum of 64 descriptors.
526 */
527
528 /*
529 * RX/TX descriptor definition. When large send mode is enabled, the
530 * lower 11 bits of the TX rl_cmd word are used to hold the MSS, and
531 * the checksum offload bits are disabled. The structure layout is
532 * the same for RX and TX descriptors
533 */
534
535 struct rl_desc {
536 uint32_t rl_cmdstat;
537 uint32_t rl_vlanctl;
538 uint32_t rl_bufaddr_lo;
539 uint32_t rl_bufaddr_hi;
540 };
541
542 #define RL_TDESC_CMD_FRAGLEN 0x0000FFFF
543 #define RL_TDESC_CMD_TCPCSUM 0x00010000 /* TCP checksum enable */
544 #define RL_TDESC_CMD_UDPCSUM 0x00020000 /* UDP checksum enable */
545 #define RL_TDESC_CMD_IPCSUM 0x00040000 /* IP header checksum enable */
546 #define RL_TDESC_CMD_MSSVAL 0x07FF0000 /* Large send MSS value */
547 #define RL_TDESC_CMD_LGSEND 0x08000000 /* TCP large send enb */
548 #define RL_TDESC_CMD_EOF 0x10000000 /* end of frame marker */
549 #define RL_TDESC_CMD_SOF 0x20000000 /* start of frame marker */
550 #define RL_TDESC_CMD_EOR 0x40000000 /* end of ring marker */
551 #define RL_TDESC_CMD_OWN 0x80000000 /* chip owns descriptor */
552
553 #define RL_TDESC_VLANCTL_TAG 0x00020000 /* Insert VLAN tag */
554 #define RL_TDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */
555
556 /*
557 * Error bits are valid only on the last descriptor of a frame
558 * (i.e. RL_TDESC_CMD_EOF == 1)
559 */
560
561 #define RL_TDESC_STAT_COLCNT 0x000F0000 /* collision count */
562 #define RL_TDESC_STAT_EXCESSCOL 0x00100000 /* excessive collisions */
563 #define RL_TDESC_STAT_LINKFAIL 0x00200000 /* link faulure */
564 #define RL_TDESC_STAT_OWINCOL 0x00400000 /* out-of-window collision */
565 #define RL_TDESC_STAT_TXERRSUM 0x00800000 /* transmit error summary */
566 #define RL_TDESC_STAT_UNDERRUN 0x02000000 /* TX underrun occured */
567 #define RL_TDESC_STAT_OWN 0x80000000
568
569 /*
570 * RX descriptor cmd/vlan definitions
571 */
572
573 #define RL_RDESC_CMD_EOR 0x40000000
574 #define RL_RDESC_CMD_OWN 0x80000000
575 #define RL_RDESC_CMD_BUFLEN 0x00001FFF
576
577 #define RL_RDESC_STAT_OWN 0x80000000
578 #define RL_RDESC_STAT_EOR 0x40000000
579 #define RL_RDESC_STAT_SOF 0x20000000
580 #define RL_RDESC_STAT_EOF 0x10000000
581 #define RL_RDESC_STAT_FRALIGN 0x08000000 /* frame alignment error */
582 #define RL_RDESC_STAT_MCAST 0x04000000 /* multicast pkt received */
583 #define RL_RDESC_STAT_UCAST 0x02000000 /* unicast pkt received */
584 #define RL_RDESC_STAT_BCAST 0x01000000 /* broadcast pkt received */
585 #define RL_RDESC_STAT_BUFOFLOW 0x00800000 /* out of buffer space */
586 #define RL_RDESC_STAT_FIFOOFLOW 0x00400000 /* FIFO overrun */
587 #define RL_RDESC_STAT_GIANT 0x00200000 /* pkt > 4096 bytes */
588 #define RL_RDESC_STAT_RXERRSUM 0x00100000 /* RX error summary */
589 #define RL_RDESC_STAT_RUNT 0x00080000 /* runt packet received */
590 #define RL_RDESC_STAT_CRCERR 0x00040000 /* CRC error */
591 #define RL_RDESC_STAT_PROTOID 0x00030000 /* Protocol type */
592 #define RL_RDESC_STAT_IPSUMBAD 0x00008000 /* IP header checksum bad */
593 #define RL_RDESC_STAT_UDPSUMBAD 0x00004000 /* UDP checksum bad */
594 #define RL_RDESC_STAT_TCPSUMBAD 0x00002000 /* TCP checksum bad */
595 #define RL_RDESC_STAT_FRAGLEN 0x00001FFF /* RX'ed frame/frag len */
596 #define RL_RDESC_STAT_GFRAGLEN 0x00003FFF /* RX'ed frame/frag len */
597 #define RL_RDESC_STAT_ERRS (RL_RDESC_STAT_GIANT|RL_RDESC_STAT_RUNT| \
598 RL_RDESC_STAT_CRCERR)
599
600 #define RL_RDESC_VLANCTL_TAG 0x00010000 /* VLAN tag available
601 (rl_vlandata valid)*/
602 #define RL_RDESC_VLANCTL_DATA 0x0000FFFF /* TAG data */
603
604 #define RL_PROTOID_NONIP 0x00000000
605 #define RL_PROTOID_TCPIP 0x00010000
606 #define RL_PROTOID_UDPIP 0x00020000
607 #define RL_PROTOID_IP 0x00030000
608 #define RL_TCPPKT(x) (((x) & RL_RDESC_STAT_PROTOID) == \
609 RL_PROTOID_TCPIP)
610 #define RL_UDPPKT(x) (((x) & RL_RDESC_STAT_PROTOID) == \
611 RL_PROTOID_UDPIP)
612
613 /*
614 * Statistics counter structure (8139C+ and 8169 only)
615 */
616 struct rl_stats {
617 uint32_t rl_tx_pkts_lo;
618 uint32_t rl_tx_pkts_hi;
619 uint32_t rl_tx_errs_lo;
620 uint32_t rl_tx_errs_hi;
621 uint32_t rl_tx_errs;
622 uint16_t rl_missed_pkts;
623 uint16_t rl_rx_framealign_errs;
624 uint32_t rl_tx_onecoll;
625 uint32_t rl_tx_multicolls;
626 uint32_t rl_rx_ucasts_hi;
627 uint32_t rl_rx_ucasts_lo;
628 uint32_t rl_rx_bcasts_lo;
629 uint32_t rl_rx_bcasts_hi;
630 uint32_t rl_rx_mcasts;
631 uint16_t rl_tx_aborts;
632 uint16_t rl_rx_underruns;
633 };
634
635 /*
636 * Rx/Tx descriptor parameters (8139C+ and 8169 only)
637 *
638 * Tx/Rx count must be equal. Shared code like re_dma_map_desc assumes this.
639 * Buffers must be a multiple of 8 bytes. Currently limit to 64 descriptors
640 * due to the 8139C+. We need to put the number of descriptors in the ring
641 * structure and use that value instead.
642 */
643 #if !defined(__i386__) && !defined(__amd64__)
644 #define RE_FIXUP_RX 1
645 #endif
646
647 #define RL_TX_DESC_CNT 64
648 #define RL_TX_DESC_THLD 4
649 #define RL_RX_DESC_CNT RL_TX_DESC_CNT
650
651 #define RL_RX_LIST_SZ (RL_RX_DESC_CNT * sizeof(struct rl_desc))
652 #define RL_TX_LIST_SZ (RL_TX_DESC_CNT * sizeof(struct rl_desc))
653 #define RL_RING_ALIGN 256
654 #define RL_IFQ_MAXLEN 512
655 #define RL_DESC_INC(x) (x = (x + 1) % RL_TX_DESC_CNT)
656 #define RL_OWN(x) (le32toh((x)->rl_cmdstat) & RL_RDESC_STAT_OWN)
657 #define RL_RXBYTES(x) (le32toh((x)->rl_cmdstat) & sc->rl_rxlenmask)
658 #define RL_PKTSZ(x) ((x)/* >> 3*/)
659 #ifdef RE_FIXUP_RX
660 #define RE_ETHER_ALIGN sizeof(uint64_t)
661 #define RE_RX_DESC_BUFLEN (MCLBYTES - RE_ETHER_ALIGN)
662 #else
663 #define RE_ETHER_ALIGN 0
664 #define RE_RX_DESC_BUFLEN MCLBYTES
665 #endif
666
667 #define RL_ADDR_LO(y) ((uint64_t) (y) & 0xFFFFFFFF)
668 #define RL_ADDR_HI(y) ((uint64_t) (y) >> 32)
669
670 /* see comment in dev/re/if_re.c */
671 #define RL_JUMBO_FRAMELEN 7440
672 #define RL_JUMBO_MTU (RL_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
673
674 struct rl_softc;
675
676 struct rl_dmaload_arg {
677 int rl_idx;
678 int rl_maxsegs;
679 uint32_t rl_flags;
680 struct rl_desc *rl_ring;
681 };
682
683 struct rl_list_data {
684 struct mbuf *rl_tx_mbuf[RL_TX_DESC_CNT];
685 struct mbuf *rl_rx_mbuf[RL_RX_DESC_CNT];
686 int rl_tx_prodidx;
687 int rl_rx_prodidx;
688 int rl_tx_considx;
689 int rl_tx_free;
690 bus_dmamap_t rl_tx_dmamap[RL_TX_DESC_CNT];
691 bus_dmamap_t rl_rx_dmamap[RL_RX_DESC_CNT];
692 bus_dma_tag_t rl_mtag; /* mbuf mapping tag */
693 bus_dma_tag_t rl_stag; /* stats mapping tag */
694 bus_dmamap_t rl_smap; /* stats map */
695 struct rl_stats *rl_stats;
696 bus_addr_t rl_stats_addr;
697 bus_dma_tag_t rl_rx_list_tag;
698 bus_dmamap_t rl_rx_list_map;
699 struct rl_desc *rl_rx_list;
700 bus_addr_t rl_rx_list_addr;
701 bus_dma_tag_t rl_tx_list_tag;
702 bus_dmamap_t rl_tx_list_map;
703 struct rl_desc *rl_tx_list;
704 bus_addr_t rl_tx_list_addr;
705 };
706
707 struct rl_softc {
708 struct ifnet *rl_ifp; /* interface info */
709 bus_space_handle_t rl_bhandle; /* bus space handle */
710 bus_space_tag_t rl_btag; /* bus space tag */
711 device_t rl_dev;
712 struct resource *rl_res;
713 struct resource *rl_irq;
714 void *rl_intrhand;
715 device_t rl_miibus;
716 bus_dma_tag_t rl_parent_tag;
717 bus_dma_tag_t rl_tag;
718 uint8_t rl_type;
719 int rl_eecmd_read;
720 int rl_eewidth;
721 uint8_t rl_stats_no_timeout;
722 int rl_txthresh;
723 struct rl_chain_data rl_cdata;
724 struct rl_list_data rl_ldata;
725 struct callout rl_stat_callout;
726 int rl_watchdog_timer;
727 struct mtx rl_mtx;
728 struct mbuf *rl_head;
729 struct mbuf *rl_tail;
730 uint32_t rl_hwrev;
731 uint32_t rl_rxlenmask;
732 int rl_testmode;
733 int rl_if_flags;
734 int suspended; /* 0 = normal 1 = suspended */
735 #ifdef DEVICE_POLLING
736 int rxcycles;
737 #endif
738
739 struct task rl_txtask;
740 struct task rl_inttask;
741
742 struct mtx rl_intlock;
743 int rl_txstart;
744 int rl_link;
745 };
746
747 #define RL_LOCK(_sc) mtx_lock(&(_sc)->rl_mtx)
748 #define RL_UNLOCK(_sc) mtx_unlock(&(_sc)->rl_mtx)
749 #define RL_LOCK_ASSERT(_sc) mtx_assert(&(_sc)->rl_mtx, MA_OWNED)
750
751 /*
752 * register space access macros
753 */
754 #define CSR_WRITE_STREAM_4(sc, reg, val) \
755 bus_space_write_stream_4(sc->rl_btag, sc->rl_bhandle, reg, val)
756 #define CSR_WRITE_4(sc, reg, val) \
757 bus_space_write_4(sc->rl_btag, sc->rl_bhandle, reg, val)
758 #define CSR_WRITE_2(sc, reg, val) \
759 bus_space_write_2(sc->rl_btag, sc->rl_bhandle, reg, val)
760 #define CSR_WRITE_1(sc, reg, val) \
761 bus_space_write_1(sc->rl_btag, sc->rl_bhandle, reg, val)
762
763 #define CSR_READ_4(sc, reg) \
764 bus_space_read_4(sc->rl_btag, sc->rl_bhandle, reg)
765 #define CSR_READ_2(sc, reg) \
766 bus_space_read_2(sc->rl_btag, sc->rl_bhandle, reg)
767 #define CSR_READ_1(sc, reg) \
768 bus_space_read_1(sc->rl_btag, sc->rl_bhandle, reg)
769
770 #define CSR_SETBIT_1(sc, offset, val) \
771 CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) | (val))
772
773 #define CSR_CLRBIT_1(sc, offset, val) \
774 CSR_WRITE_1(sc, offset, CSR_READ_1(sc, offset) & ~(val))
775
776 #define CSR_SETBIT_2(sc, offset, val) \
777 CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) | (val))
778
779 #define CSR_CLRBIT_2(sc, offset, val) \
780 CSR_WRITE_2(sc, offset, CSR_READ_2(sc, offset) & ~(val))
781
782 #define CSR_SETBIT_4(sc, offset, val) \
783 CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) | (val))
784
785 #define CSR_CLRBIT_4(sc, offset, val) \
786 CSR_WRITE_4(sc, offset, CSR_READ_4(sc, offset) & ~(val))
787
788 #define RL_TIMEOUT 1000
789
790 /*
791 * General constants that are fun to know.
792 *
793 * RealTek PCI vendor ID
794 */
795 #define RT_VENDORID 0x10EC
796
797 /*
798 * RealTek chip device IDs.
799 */
800 #define RT_DEVICEID_8139D 0x8039
801 #define RT_DEVICEID_8129 0x8129
802 #define RT_DEVICEID_8101E 0x8136
803 #define RT_DEVICEID_8138 0x8138
804 #define RT_DEVICEID_8139 0x8139
805 #define RT_DEVICEID_8169SC 0x8167
806 #define RT_DEVICEID_8168 0x8168
807 #define RT_DEVICEID_8169 0x8169
808 #define RT_DEVICEID_8100 0x8100
809
810 #define RT_REVID_8139CPLUS 0x20
811
812 /*
813 * Accton PCI vendor ID
814 */
815 #define ACCTON_VENDORID 0x1113
816
817 /*
818 * Accton MPX 5030/5038 device ID.
819 */
820 #define ACCTON_DEVICEID_5030 0x1211
821
822 /*
823 * Nortel PCI vendor ID
824 */
825 #define NORTEL_VENDORID 0x126C
826
827 /*
828 * Delta Electronics Vendor ID.
829 */
830 #define DELTA_VENDORID 0x1500
831
832 /*
833 * Delta device IDs.
834 */
835 #define DELTA_DEVICEID_8139 0x1360
836
837 /*
838 * Addtron vendor ID.
839 */
840 #define ADDTRON_VENDORID 0x4033
841
842 /*
843 * Addtron device IDs.
844 */
845 #define ADDTRON_DEVICEID_8139 0x1360
846
847 /*
848 * D-Link vendor ID.
849 */
850 #define DLINK_VENDORID 0x1186
851
852 /*
853 * D-Link DFE-530TX+ device ID
854 */
855 #define DLINK_DEVICEID_530TXPLUS 0x1300
856
857 /*
858 * D-Link DFE-5280T device ID
859 */
860 #define DLINK_DEVICEID_528T 0x4300
861
862 /*
863 * D-Link DFE-690TXD device ID
864 */
865 #define DLINK_DEVICEID_690TXD 0x1340
866
867 /*
868 * Corega K.K vendor ID
869 */
870 #define COREGA_VENDORID 0x1259
871
872 /*
873 * Corega FEther CB-TXD device ID
874 */
875 #define COREGA_DEVICEID_FETHERCBTXD 0xa117
876
877 /*
878 * Corega FEtherII CB-TXD device ID
879 */
880 #define COREGA_DEVICEID_FETHERIICBTXD 0xa11e
881
882 /*
883 * Corega CG-LAPCIGT device ID
884 */
885 #define COREGA_DEVICEID_CGLAPCIGT 0xc107
886
887 /*
888 * Linksys vendor ID
889 */
890 #define LINKSYS_VENDORID 0x1737
891
892 /*
893 * Linksys EG1032 device ID
894 */
895 #define LINKSYS_DEVICEID_EG1032 0x1032
896
897 /*
898 * Linksys EG1032 rev 3 sub-device ID
899 */
900 #define LINKSYS_SUBDEVICE_EG1032_REV3 0x0024
901
902 /*
903 * Peppercon vendor ID
904 */
905 #define PEPPERCON_VENDORID 0x1743
906
907 /*
908 * Peppercon ROL-F device ID
909 */
910 #define PEPPERCON_DEVICEID_ROLF 0x8139
911
912 /*
913 * Planex Communications, Inc. vendor ID
914 */
915 #define PLANEX_VENDORID 0x14ea
916
917 /*
918 * Planex FNW-3603-TX device ID
919 */
920 #define PLANEX_DEVICEID_FNW3603TX 0xab06
921
922 /*
923 * Planex FNW-3800-TX device ID
924 */
925 #define PLANEX_DEVICEID_FNW3800TX 0xab07
926
927 /*
928 * LevelOne vendor ID
929 */
930 #define LEVEL1_VENDORID 0x018A
931
932 /*
933 * LevelOne FPC-0106TX devide ID
934 */
935 #define LEVEL1_DEVICEID_FPC0106TX 0x0106
936
937 /*
938 * Compaq vendor ID
939 */
940 #define CP_VENDORID 0x021B
941
942 /*
943 * Edimax vendor ID
944 */
945 #define EDIMAX_VENDORID 0x13D1
946
947 /*
948 * Edimax EP-4103DL cardbus device ID
949 */
950 #define EDIMAX_DEVICEID_EP4103DL 0xAB06
951
952 /* US Robotics vendor ID */
953
954 #define USR_VENDORID 0x16EC
955
956 /* US Robotics 997902 device ID */
957
958 #define USR_DEVICEID_997902 0x0116
959
960 /*
961 * PCI low memory base and low I/O base register, and
962 * other PCI registers.
963 */
964
965 #define RL_PCI_VENDOR_ID 0x00
966 #define RL_PCI_DEVICE_ID 0x02
967 #define RL_PCI_COMMAND 0x04
968 #define RL_PCI_STATUS 0x06
969 #define RL_PCI_CLASSCODE 0x09
970 #define RL_PCI_LATENCY_TIMER 0x0D
971 #define RL_PCI_HEADER_TYPE 0x0E
972 #define RL_PCI_LOIO 0x10
973 #define RL_PCI_LOMEM 0x14
974 #define RL_PCI_BIOSROM 0x30
975 #define RL_PCI_INTLINE 0x3C
976 #define RL_PCI_INTPIN 0x3D
977 #define RL_PCI_MINGNT 0x3E
978 #define RL_PCI_MINLAT 0x0F
979 #define RL_PCI_RESETOPT 0x48
980 #define RL_PCI_EEPROM_DATA 0x4C
981
982 #define RL_PCI_CAPID 0x50 /* 8 bits */
983 #define RL_PCI_NEXTPTR 0x51 /* 8 bits */
984 #define RL_PCI_PWRMGMTCAP 0x52 /* 16 bits */
985 #define RL_PCI_PWRMGMTCTRL 0x54 /* 16 bits */
986
987 #define RL_PSTATE_MASK 0x0003
988 #define RL_PSTATE_D0 0x0000
989 #define RL_PSTATE_D1 0x0002
990 #define RL_PSTATE_D2 0x0002
991 #define RL_PSTATE_D3 0x0003
992 #define RL_PME_EN 0x0010
993 #define RL_PME_STATUS 0x8000
Cache object: dbd13f8446ca066f7ae250b4d7b191b3
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