FreeBSD/Linux Kernel Cross Reference
sys/pci/if_tireg.h
1 /*
2 * Copyright (c) 1997, 1998, 1999
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 * Tigon register offsets. These are memory mapped registers
37 * which can be accessed with the CSR_READ_4()/CSR_WRITE_4() macros.
38 * Each register must be accessed using 32 bit operations.
39 *
40 * All reegisters are accessed through a 16K shared memory block.
41 * The first group of registers are actually copies of the PCI
42 * configuration space registers.
43 */
44
45 #define TI_PCI_ID 0x000 /* PCI device/vendor ID */
46 #define TI_PCI_CMDSTAT 0x004
47 #define TI_PCI_CLASSCODE 0x008
48 #define TI_PCI_BIST 0x00C
49 #define TI_PCI_LOMEM 0x010 /* Shared memory base address */
50 #define TI_PCI_SUBSYS 0x02C
51 #define TI_PCI_ROMBASE 0x030
52 #define TI_PCI_INT 0x03C
53
54 #ifndef PCIM_CMD_MWIEN
55 #define PCIM_CMD_MWIEN 0x0010
56 #endif
57
58 /*
59 * Alteon AceNIC PCI vendor/device ID.
60 */
61 #define ALT_VENDORID 0x12AE
62 #define ALT_DEVICEID_ACENIC 0x0001
63 #define ALT_DEVICEID_ACENIC_COPPER 0x0002
64
65 /*
66 * 3Com 3c985 PCI vendor/device ID.
67 */
68 #define TC_VENDORID 0x10B7
69 #define TC_DEVICEID_3C985 0x0001
70
71 /*
72 * Netgear GA620 PCI vendor/device ID.
73 */
74 #define NG_VENDORID 0x1385
75 #define NG_DEVICEID_GA620 0x620A
76 #define NG_DEVICEID_GA620T 0x630A
77
78 /*
79 * SGI device/vendor ID.
80 */
81 #define SGI_VENDORID 0x10A9
82 #define SGI_DEVICEID_TIGON 0x0009
83
84 /*
85 * DEC vendor ID, Farallon device ID. Apparently, Farallon used
86 * the DEC vendor ID in their cards by mistake.
87 */
88 #define DEC_VENDORID 0x1011
89 #define DEC_DEVICEID_FARALLON_PN9000SX 0x001a
90
91 /*
92 * Tigon configuration and control registers.
93 */
94 #define TI_MISC_HOST_CTL 0x040
95 #define TI_MISC_LOCAL_CTL 0x044
96 #define TI_SEM_AB 0x048 /* Tigon 2 only */
97 #define TI_MISC_CONF 0x050 /* Tigon 2 only */
98 #define TI_TIMER_BITS 0x054
99 #define TI_TIMERREF 0x058
100 #define TI_PCI_STATE 0x05C
101 #define TI_MAIN_EVENT_A 0x060
102 #define TI_MAILBOX_EVENT_A 0x064
103 #define TI_WINBASE 0x068
104 #define TI_WINDATA 0x06C
105 #define TI_MAIN_EVENT_B 0x070 /* Tigon 2 only */
106 #define TI_MAILBOX_EVENT_B 0x074 /* Tigon 2 only */
107 #define TI_TIMERREF_B 0x078 /* Tigon 2 only */
108 #define TI_SERIAL 0x07C
109
110 /*
111 * Misc host control bits.
112 */
113 #define TI_MHC_INTSTATE 0x00000001
114 #define TI_MHC_CLEARINT 0x00000002
115 #define TI_MHC_RESET 0x00000008
116 #define TI_MHC_BYTE_SWAP_ENB 0x00000010
117 #define TI_MHC_WORD_SWAP_ENB 0x00000020
118 #define TI_MHC_MASK_INTS 0x00000040
119 #define TI_MHC_CHIP_REV_MASK 0xF0000000
120
121 #define TI_MHC_BIGENDIAN_INIT \
122 (TI_MHC_BYTE_SWAP_ENB|TI_MHC_WORD_SWAP_ENB|TI_MHC_CLEARINT)
123
124 #define TI_MHC_LITTLEENDIAN_INIT \
125 (TI_MHC_WORD_SWAP_ENB|TI_MHC_CLEARINT)
126
127 /*
128 * Tigon chip rev values. Rev 4 is the Tigon 1. Rev 6 is the Tigon 2.
129 * Rev 5 is also the Tigon 2, but is a broken version which was never
130 * used in any actual hardware, so we ignore it.
131 */
132 #define TI_REV_TIGON_I 0x40000000
133 #define TI_REV_TIGON_II 0x60000000
134
135 /*
136 * Firmware revision that we want.
137 */
138 #define TI_FIRMWARE_MAJOR 0xc
139 #define TI_FIRMWARE_MINOR 0x4
140 #define TI_FIRMWARE_FIX 0xd
141
142 /*
143 * Miscelaneous Local Control register.
144 */
145 #define TI_MLC_EE_WRITE_ENB 0x00000010
146 #define TI_MLC_SRAM_BANK_SIZE 0x00000300 /* Tigon 2 only */
147 #define TI_MLC_LOCALADDR_21 0x00004000
148 #define TI_MLC_LOCALADDR_22 0x00008000
149 #define TI_MLC_SBUS_WRITEERR 0x00080000
150 #define TI_MLC_EE_CLK 0x00100000
151 #define TI_MLC_EE_TXEN 0x00200000
152 #define TI_MLC_EE_DOUT 0x00400000
153 #define TI_MLC_EE_DIN 0x00800000
154
155 /* Possible memory sizes. */
156 #define TI_MLC_SRAM_BANK_DISA 0x00000000
157 #define TI_MLC_SRAM_BANK_1024K 0x00000100
158 #define TI_MLC_SRAM_BANK_512K 0x00000200
159 #define TI_MLC_SRAM_BANK_256K 0x00000300
160
161 /*
162 * Offset of MAC address inside EEPROM.
163 */
164 #define TI_EE_MAC_OFFSET 0x8c
165
166 #define TI_DMA_ASSIST 0x11C
167 #define TI_CPU_STATE 0x140
168 #define TI_CPU_PROGRAM_COUNTER 0x144
169 #define TI_SRAM_ADDR 0x154
170 #define TI_SRAM_DATA 0x158
171 #define TI_GEN_0 0x180
172 #define TI_GEN_X 0x1FC
173 #define TI_MAC_TX_STATE 0x200
174 #define TI_MAC_RX_STATE 0x220
175 #define TI_CPU_CTL_B 0x240 /* Tigon 2 only */
176 #define TI_CPU_PROGRAM_COUNTER_B 0x244 /* Tigon 2 only */
177 #define TI_SRAM_ADDR_B 0x254 /* Tigon 2 only */
178 #define TI_SRAM_DATA_B 0x258 /* Tigon 2 only */
179 #define TI_GEN_B_0 0x280 /* Tigon 2 only */
180 #define TI_GEN_B_X 0x2FC /* Tigon 2 only */
181
182 /*
183 * Misc config register.
184 */
185 #define TI_MCR_SRAM_SYNCHRONOUS 0x00100000 /* Tigon 2 only */
186
187 /*
188 * PCI state register.
189 */
190 #define TI_PCISTATE_FORCE_RESET 0x00000001
191 #define TI_PCISTATE_PROVIDE_LEN 0x00000002
192 #define TI_PCISTATE_READ_MAXDMA 0x0000001C
193 #define TI_PCISTATE_WRITE_MAXDMA 0x000000E0
194 #define TI_PCISTATE_MINDMA 0x0000FF00
195 #define TI_PCISTATE_FIFO_RETRY_ENB 0x00010000
196 #define TI_PCISTATE_USE_MEM_RD_MULT 0x00020000
197 #define TI_PCISTATE_NO_SWAP_READ_DMA 0x00040000
198 #define TI_PCISTATE_NO_SWAP_WRITE_DMA 0x00080000
199 #define TI_PCISTATE_66MHZ_BUS 0x00080000 /* Tigon 2 only */
200 #define TI_PCISTATE_32BIT_BUS 0x00100000 /* Tigon 2 only */
201 #define TI_PCISTATE_ENB_BYTE_ENABLES 0x00800000 /* Tigon 2 only */
202 #define TI_PCISTATE_READ_CMD 0x0F000000
203 #define TI_PCISTATE_WRITE_CMD 0xF0000000
204
205 #define TI_PCI_READMAX_4 0x04
206 #define TI_PCI_READMAX_16 0x08
207 #define TI_PCI_READMAX_32 0x0C
208 #define TI_PCI_READMAX_64 0x10
209 #define TI_PCI_READMAX_128 0x14
210 #define TI_PCI_READMAX_256 0x18
211 #define TI_PCI_READMAX_1024 0x1C
212
213 #define TI_PCI_WRITEMAX_4 0x20
214 #define TI_PCI_WRITEMAX_16 0x40
215 #define TI_PCI_WRITEMAX_32 0x60
216 #define TI_PCI_WRITEMAX_64 0x80
217 #define TI_PCI_WRITEMAX_128 0xA0
218 #define TI_PCI_WRITEMAX_256 0xC0
219 #define TI_PCI_WRITEMAX_1024 0xE0
220
221 #define TI_PCI_READ_CMD 0x06000000
222 #define TI_PCI_WRITE_CMD 0x70000000
223
224 /*
225 * DMA state register.
226 */
227 #define TI_DMASTATE_ENABLE 0x00000001
228 #define TI_DMASTATE_PAUSE 0x00000002
229
230 /*
231 * CPU state register.
232 */
233 #define TI_CPUSTATE_RESET 0x00000001
234 #define TI_CPUSTATE_STEP 0x00000002
235 #define TI_CPUSTATE_ROMFAIL 0x00000010
236 #define TI_CPUSTATE_HALT 0x00010000
237 /*
238 * MAC TX state register
239 */
240 #define TI_TXSTATE_RESET 0x00000001
241 #define TI_TXSTATE_ENB 0x00000002
242 #define TI_TXSTATE_STOP 0x00000004
243
244 /*
245 * MAC RX state register
246 */
247 #define TI_RXSTATE_RESET 0x00000001
248 #define TI_RXSTATE_ENB 0x00000002
249 #define TI_RXSTATE_STOP 0x00000004
250
251 /*
252 * Tigon 2 mailbox registers. The mailbox area consists of 256 bytes
253 * split into 64 bit registers. Only the lower 32 bits of each mailbox
254 * are used.
255 */
256 #define TI_MB_HOSTINTR_HI 0x500
257 #define TI_MB_HOSTINTR_LO 0x504
258 #define TI_MB_HOSTINTR TI_MB_HOSTINTR_LO
259 #define TI_MB_CMDPROD_IDX_HI 0x508
260 #define TI_MB_CMDPROD_IDX_LO 0x50C
261 #define TI_MB_CMDPROD_IDX TI_MB_CMDPROD_IDX_LO
262 #define TI_MB_SENDPROD_IDX_HI 0x510
263 #define TI_MB_SENDPROD_IDX_LO 0x514
264 #define TI_MB_SENDPROD_IDX TI_MB_SENDPROD_IDX_LO
265 #define TI_MB_STDRXPROD_IDX_HI 0x518 /* Tigon 2 only */
266 #define TI_MB_STDRXPROD_IDX_LO 0x51C /* Tigon 2 only */
267 #define TI_MB_STDRXPROD_IDX TI_MB_STDRXPROD_IDX_LO
268 #define TI_MB_JUMBORXPROD_IDX_HI 0x520 /* Tigon 2 only */
269 #define TI_MB_JUMBORXPROD_IDX_LO 0x524 /* Tigon 2 only */
270 #define TI_MB_JUMBORXPROD_IDX TI_MB_JUMBORXPROD_IDX_LO
271 #define TI_MB_MINIRXPROD_IDX_HI 0x528 /* Tigon 2 only */
272 #define TI_MB_MINIRXPROD_IDX_LO 0x52C /* Tigon 2 only */
273 #define TI_MB_MINIRXPROD_IDX TI_MB_MINIRXPROD_IDX_LO
274 #define TI_MB_RSVD 0x530
275
276 /*
277 * Tigon 2 general communication registers. These are 64 and 32 bit
278 * registers which are only valid after the firmware has been
279 * loaded and started. They actually exist in NIC memory but are
280 * mapped into the host memory via the shared memory region.
281 *
282 * The NIC internally maps these registers starting at address 0,
283 * so to determine the NIC address of any of these registers, we
284 * subtract 0x600 (the address of the first register).
285 */
286
287 #define TI_GCR_BASE 0x600
288 #define TI_GCR_MACADDR 0x600
289 #define TI_GCR_PAR0 0x600
290 #define TI_GCR_PAR1 0x604
291 #define TI_GCR_GENINFO_HI 0x608
292 #define TI_GCR_GENINFO_LO 0x60C
293 #define TI_GCR_MCASTADDR 0x610 /* obsolete */
294 #define TI_GCR_MAR0 0x610 /* obsolete */
295 #define TI_GCR_MAR1 0x614 /* obsolete */
296 #define TI_GCR_OPMODE 0x618
297 #define TI_GCR_DMA_READCFG 0x61C
298 #define TI_GCR_DMA_WRITECFG 0x620
299 #define TI_GCR_TX_BUFFER_RATIO 0x624
300 #define TI_GCR_EVENTCONS_IDX 0x628
301 #define TI_GCR_CMDCONS_IDX 0x62C
302 #define TI_GCR_TUNEPARMS 0x630
303 #define TI_GCR_RX_COAL_TICKS 0x630
304 #define TI_GCR_TX_COAL_TICKS 0x634
305 #define TI_GCR_STAT_TICKS 0x638
306 #define TI_GCR_TX_MAX_COAL_BD 0x63C
307 #define TI_GCR_RX_MAX_COAL_BD 0x640
308 #define TI_GCR_NIC_TRACING 0x644
309 #define TI_GCR_GLINK 0x648
310 #define TI_GCR_LINK 0x64C
311 #define TI_GCR_NICTRACE_PTR 0x650
312 #define TI_GCR_NICTRACE_START 0x654
313 #define TI_GCR_NICTRACE_LEN 0x658
314 #define TI_GCR_IFINDEX 0x65C
315 #define TI_GCR_IFMTU 0x660
316 #define TI_GCR_MASK_INTRS 0x664
317 #define TI_GCR_GLINK_STAT 0x668
318 #define TI_GCR_LINK_STAT 0x66C
319 #define TI_GCR_RXRETURNCONS_IDX 0x680
320 #define TI_GCR_CMDRING 0x700
321
322 #define TI_GCR_NIC_ADDR(x) (x - TI_GCR_BASE);
323
324 /*
325 * Local memory window. The local memory window is a 2K shared
326 * memory region which can be used to access the NIC's internal
327 * SRAM. The window can be mapped to a given 2K region using
328 * the TI_WINDOW_BASE register.
329 */
330 #define TI_WINDOW 0x800
331 #define TI_WINLEN 0x800
332
333 #define TI_TICKS_PER_SEC 1000000
334
335 /*
336 * Operation mode register.
337 */
338 #define TI_OPMODE_BYTESWAP_BD 0x00000002
339 #define TI_OPMODE_WORDSWAP_BD 0x00000004
340 #define TI_OPMODE_WARN_ENB 0x00000008 /* not yet implimented */
341 #define TI_OPMODE_BYTESWAP_DATA 0x00000010
342 #define TI_OPMODE_1_DMA_ACTIVE 0x00000040
343 #define TI_OPMODE_SBUS 0x00000100
344 #define TI_OPMODE_DONT_FRAG_JUMBO 0x00000200
345 #define TI_OPMODE_INCLUDE_CRC 0x00000400
346 #define TI_OPMODE_RX_BADFRAMES 0x00000800
347 #define TI_OPMODE_NO_EVENT_INTRS 0x00001000
348 #define TI_OPMODE_NO_TX_INTRS 0x00002000
349 #define TI_OPMODE_NO_RX_INTRS 0x00004000
350 #define TI_OPMODE_FATAL_ENB 0x40000000 /* not yet implimented */
351
352 /*
353 * DMA configuration thresholds.
354 */
355 #define TI_DMA_STATE_THRESH_16W 0x00000100
356 #define TI_DMA_STATE_THRESH_8W 0x00000080
357 #define TI_DMA_STATE_THRESH_4W 0x00000040
358 #define TI_DMA_STATE_THRESH_2W 0x00000020
359 #define TI_DMA_STATE_THRESH_1W 0x00000010
360
361 #define TI_DMA_STATE_FORCE_32_BIT 0x00000008
362
363 /*
364 * Gigabit link status bits.
365 */
366 #define TI_GLNK_SENSE_NO_BEG 0x00002000
367 #define TI_GLNK_LOOPBACK 0x00004000
368 #define TI_GLNK_PREF 0x00008000
369 #define TI_GLNK_1000MB 0x00040000
370 #define TI_GLNK_FULL_DUPLEX 0x00080000
371 #define TI_GLNK_TX_FLOWCTL_Y 0x00200000 /* Tigon 2 only */
372 #define TI_GLNK_RX_FLOWCTL_Y 0x00800000
373 #define TI_GLNK_AUTONEGENB 0x20000000
374 #define TI_GLNK_ENB 0x40000000
375
376 /*
377 * Link status bits.
378 */
379 #define TI_LNK_LOOPBACK 0x00004000
380 #define TI_LNK_PREF 0x00008000
381 #define TI_LNK_10MB 0x00010000
382 #define TI_LNK_100MB 0x00020000
383 #define TI_LNK_1000MB 0x00040000
384 #define TI_LNK_FULL_DUPLEX 0x00080000
385 #define TI_LNK_HALF_DUPLEX 0x00100000
386 #define TI_LNK_TX_FLOWCTL_Y 0x00200000 /* Tigon 2 only */
387 #define TI_LNK_RX_FLOWCTL_Y 0x00800000
388 #define TI_LNK_AUTONEGENB 0x20000000
389 #define TI_LNK_ENB 0x40000000
390
391 /*
392 * Ring size constants.
393 */
394 #define TI_EVENT_RING_CNT 256
395 #define TI_CMD_RING_CNT 64
396 #define TI_STD_RX_RING_CNT 512
397 #define TI_JUMBO_RX_RING_CNT 256
398 #define TI_MINI_RX_RING_CNT 1024
399 #define TI_RETURN_RING_CNT 2048
400
401 /*
402 * Possible TX ring sizes.
403 */
404 #define TI_TX_RING_CNT_128 128
405 #define TI_TX_RING_BASE_128 0x3800
406
407 #define TI_TX_RING_CNT_256 256
408 #define TI_TX_RING_BASE_256 0x3000
409
410 #define TI_TX_RING_CNT_512 512
411 #define TI_TX_RING_BASE_512 0x2000
412
413 #define TI_TX_RING_CNT TI_TX_RING_CNT_512
414 #define TI_TX_RING_BASE TI_TX_RING_BASE_512
415
416 /*
417 * The Tigon can have up to 8MB of external SRAM, however the Tigon 1
418 * is limited to 2MB total, and in general I think most adapters have
419 * around 1MB. We use this value for zeroing the NIC's SRAM, so to
420 * be safe we use the largest possible value (zeroing memory that
421 * isn't there doesn't hurt anything).
422 */
423 #define TI_MEM_MAX 0x7FFFFF
424
425 /*
426 * Even on the alpha, pci addresses are 32-bit quantities
427 */
428
429 #ifdef __64_bit_pci_addressing__
430 typedef struct {
431 u_int64_t ti_addr;
432 } ti_hostaddr;
433 #define TI_HOSTADDR(x) x.ti_addr
434 #else
435 typedef struct {
436 u_int32_t ti_addr_hi;
437 u_int32_t ti_addr_lo;
438 } ti_hostaddr;
439 #define TI_HOSTADDR(x) x.ti_addr_lo
440 #endif
441
442 /*
443 * Ring control block structure. The rules for the max_len field
444 * are as follows:
445 *
446 * For the send ring, max_len indicates the number of entries in the
447 * ring (128, 256 or 512).
448 *
449 * For the standard receive ring, max_len indicates the threshold
450 * used to decide when a frame should be put in the jumbo receive ring
451 * instead of the standard one.
452 *
453 * For the mini ring, max_len indicates the size of the buffers in the
454 * ring. This is the value used to decide when a frame is small enough
455 * to be placed in the mini ring.
456 *
457 * For the return receive ring, max_len indicates the number of entries
458 * in the ring. It can be one of 2048, 1024 or 0 (which is the same as
459 * 2048 for backwards compatibility). The value 1024 can only be used
460 * if the mini ring is disabled.
461 */
462 struct ti_rcb {
463 ti_hostaddr ti_hostaddr;
464 #if BYTE_ORDER == BIG_ENDIAN
465 u_int16_t ti_max_len;
466 u_int16_t ti_flags;
467 #else
468 u_int16_t ti_flags;
469 u_int16_t ti_max_len;
470 #endif
471 u_int32_t ti_unused;
472 };
473
474 #define TI_RCB_FLAG_TCP_UDP_CKSUM 0x00000001
475 #define TI_RCB_FLAG_IP_CKSUM 0x00000002
476 #define TI_RCB_FLAG_NO_PHDR_CKSUM 0x00000008
477 #define TI_RCB_FLAG_VLAN_ASSIST 0x00000010
478 #define TI_RCB_FLAG_COAL_UPD_ONLY 0x00000020
479 #define TI_RCB_FLAG_HOST_RING 0x00000040
480 #define TI_RCB_FLAG_IEEE_SNAP_CKSUM 0x00000080
481 #define TI_RCB_FLAG_USE_EXT_RX_BD 0x00000100
482 #define TI_RCB_FLAG_RING_DISABLED 0x00000200
483
484 struct ti_producer {
485 u_int32_t ti_idx;
486 u_int32_t ti_unused;
487 };
488
489 /*
490 * Tigon statistics counters.
491 */
492 struct ti_stats {
493 /*
494 * MAC stats, taken from RFC 1643, ethernet-like MIB
495 */
496 volatile u_int32_t dot3StatsAlignmentErrors; /* 0 */
497 volatile u_int32_t dot3StatsFCSErrors; /* 1 */
498 volatile u_int32_t dot3StatsSingleCollisionFrames; /* 2 */
499 volatile u_int32_t dot3StatsMultipleCollisionFrames; /* 3 */
500 volatile u_int32_t dot3StatsSQETestErrors; /* 4 */
501 volatile u_int32_t dot3StatsDeferredTransmissions; /* 5 */
502 volatile u_int32_t dot3StatsLateCollisions; /* 6 */
503 volatile u_int32_t dot3StatsExcessiveCollisions; /* 7 */
504 volatile u_int32_t dot3StatsInternalMacTransmitErrors; /* 8 */
505 volatile u_int32_t dot3StatsCarrierSenseErrors; /* 9 */
506 volatile u_int32_t dot3StatsFrameTooLongs; /* 10 */
507 volatile u_int32_t dot3StatsInternalMacReceiveErrors; /* 11 */
508 /*
509 * interface stats, taken from RFC 1213, MIB-II, interfaces group
510 */
511 volatile u_int32_t ifIndex; /* 12 */
512 volatile u_int32_t ifType; /* 13 */
513 volatile u_int32_t ifMtu; /* 14 */
514 volatile u_int32_t ifSpeed; /* 15 */
515 volatile u_int32_t ifAdminStatus; /* 16 */
516 #define IF_ADMIN_STATUS_UP 1
517 #define IF_ADMIN_STATUS_DOWN 2
518 #define IF_ADMIN_STATUS_TESTING 3
519 volatile u_int32_t ifOperStatus; /* 17 */
520 #define IF_OPER_STATUS_UP 1
521 #define IF_OPER_STATUS_DOWN 2
522 #define IF_OPER_STATUS_TESTING 3
523 #define IF_OPER_STATUS_UNKNOWN 4
524 #define IF_OPER_STATUS_DORMANT 5
525 volatile u_int32_t ifLastChange; /* 18 */
526 volatile u_int32_t ifInDiscards; /* 19 */
527 volatile u_int32_t ifInErrors; /* 20 */
528 volatile u_int32_t ifInUnknownProtos; /* 21 */
529 volatile u_int32_t ifOutDiscards; /* 22 */
530 volatile u_int32_t ifOutErrors; /* 23 */
531 volatile u_int32_t ifOutQLen; /* deprecated */ /* 24 */
532 volatile u_int8_t ifPhysAddress[8]; /* 8 bytes */ /* 25 - 26 */
533 volatile u_int8_t ifDescr[32]; /* 27 - 34 */
534 u_int32_t alignIt; /* align to 64 bit for u_int64_ts following */
535 /*
536 * more interface stats, taken from RFC 1573, MIB-IIupdate,
537 * interfaces group
538 */
539 volatile u_int64_t ifHCInOctets; /* 36 - 37 */
540 volatile u_int64_t ifHCInUcastPkts; /* 38 - 39 */
541 volatile u_int64_t ifHCInMulticastPkts; /* 40 - 41 */
542 volatile u_int64_t ifHCInBroadcastPkts; /* 42 - 43 */
543 volatile u_int64_t ifHCOutOctets; /* 44 - 45 */
544 volatile u_int64_t ifHCOutUcastPkts; /* 46 - 47 */
545 volatile u_int64_t ifHCOutMulticastPkts; /* 48 - 49 */
546 volatile u_int64_t ifHCOutBroadcastPkts; /* 50 - 51 */
547 volatile u_int32_t ifLinkUpDownTrapEnable; /* 52 */
548 volatile u_int32_t ifHighSpeed; /* 53 */
549 volatile u_int32_t ifPromiscuousMode; /* 54 */
550 volatile u_int32_t ifConnectorPresent; /* follow link state 55 */
551 /*
552 * Host Commands
553 */
554 volatile u_int32_t nicCmdsHostState; /* 56 */
555 volatile u_int32_t nicCmdsFDRFiltering; /* 57 */
556 volatile u_int32_t nicCmdsSetRecvProdIndex; /* 58 */
557 volatile u_int32_t nicCmdsUpdateGencommStats; /* 59 */
558 volatile u_int32_t nicCmdsResetJumboRing; /* 60 */
559 volatile u_int32_t nicCmdsAddMCastAddr; /* 61 */
560 volatile u_int32_t nicCmdsDelMCastAddr; /* 62 */
561 volatile u_int32_t nicCmdsSetPromiscMode; /* 63 */
562 volatile u_int32_t nicCmdsLinkNegotiate; /* 64 */
563 volatile u_int32_t nicCmdsSetMACAddr; /* 65 */
564 volatile u_int32_t nicCmdsClearProfile; /* 66 */
565 volatile u_int32_t nicCmdsSetMulticastMode; /* 67 */
566 volatile u_int32_t nicCmdsClearStats; /* 68 */
567 volatile u_int32_t nicCmdsSetRecvJumboProdIndex; /* 69 */
568 volatile u_int32_t nicCmdsSetRecvMiniProdIndex; /* 70 */
569 volatile u_int32_t nicCmdsRefreshStats; /* 71 */
570 volatile u_int32_t nicCmdsUnknown; /* 72 */
571 /*
572 * NIC Events
573 */
574 volatile u_int32_t nicEventsNICFirmwareOperational; /* 73 */
575 volatile u_int32_t nicEventsStatsUpdated; /* 74 */
576 volatile u_int32_t nicEventsLinkStateChanged; /* 75 */
577 volatile u_int32_t nicEventsError; /* 76 */
578 volatile u_int32_t nicEventsMCastListUpdated; /* 77 */
579 volatile u_int32_t nicEventsResetJumboRing; /* 78 */
580 /*
581 * Ring manipulation
582 */
583 volatile u_int32_t nicRingSetSendProdIndex; /* 79 */
584 volatile u_int32_t nicRingSetSendConsIndex; /* 80 */
585 volatile u_int32_t nicRingSetRecvReturnProdIndex; /* 81 */
586 /*
587 * Interrupts
588 */
589 volatile u_int32_t nicInterrupts; /* 82 */
590 volatile u_int32_t nicAvoidedInterrupts; /* 83 */
591 /*
592 * BD Coalessing Thresholds
593 */
594 volatile u_int32_t nicEventThresholdHit; /* 84 */
595 volatile u_int32_t nicSendThresholdHit; /* 85 */
596 volatile u_int32_t nicRecvThresholdHit; /* 86 */
597 /*
598 * DMA Attentions
599 */
600 volatile u_int32_t nicDmaRdOverrun; /* 87 */
601 volatile u_int32_t nicDmaRdUnderrun; /* 88 */
602 volatile u_int32_t nicDmaWrOverrun; /* 89 */
603 volatile u_int32_t nicDmaWrUnderrun; /* 90 */
604 volatile u_int32_t nicDmaWrMasterAborts; /* 91 */
605 volatile u_int32_t nicDmaRdMasterAborts; /* 92 */
606 /*
607 * NIC Resources
608 */
609 volatile u_int32_t nicDmaWriteRingFull; /* 93 */
610 volatile u_int32_t nicDmaReadRingFull; /* 94 */
611 volatile u_int32_t nicEventRingFull; /* 95 */
612 volatile u_int32_t nicEventProducerRingFull; /* 96 */
613 volatile u_int32_t nicTxMacDescrRingFull; /* 97 */
614 volatile u_int32_t nicOutOfTxBufSpaceFrameRetry; /* 98 */
615 volatile u_int32_t nicNoMoreWrDMADescriptors; /* 99 */
616 volatile u_int32_t nicNoMoreRxBDs; /* 100 */
617 volatile u_int32_t nicNoSpaceInReturnRing; /* 101 */
618 volatile u_int32_t nicSendBDs; /* current count 102 */
619 volatile u_int32_t nicRecvBDs; /* current count 103 */
620 volatile u_int32_t nicJumboRecvBDs; /* current count 104 */
621 volatile u_int32_t nicMiniRecvBDs; /* current count 105 */
622 volatile u_int32_t nicTotalRecvBDs; /* current count 106 */
623 volatile u_int32_t nicTotalSendBDs; /* current count 107 */
624 volatile u_int32_t nicJumboSpillOver; /* 108 */
625 volatile u_int32_t nicSbusHangCleared; /* 109 */
626 volatile u_int32_t nicEnqEventDelayed; /* 110 */
627 /*
628 * Stats from MAC rx completion
629 */
630 volatile u_int32_t nicMacRxLateColls; /* 111 */
631 volatile u_int32_t nicMacRxLinkLostDuringPkt; /* 112 */
632 volatile u_int32_t nicMacRxPhyDecodeErr; /* 113 */
633 volatile u_int32_t nicMacRxMacAbort; /* 114 */
634 volatile u_int32_t nicMacRxTruncNoResources; /* 115 */
635 /*
636 * Stats from the mac_stats area
637 */
638 volatile u_int32_t nicMacRxDropUla; /* 116 */
639 volatile u_int32_t nicMacRxDropMcast; /* 117 */
640 volatile u_int32_t nicMacRxFlowControl; /* 118 */
641 volatile u_int32_t nicMacRxDropSpace; /* 119 */
642 volatile u_int32_t nicMacRxColls; /* 120 */
643 /*
644 * MAC RX Attentions
645 */
646 volatile u_int32_t nicMacRxTotalAttns; /* 121 */
647 volatile u_int32_t nicMacRxLinkAttns; /* 122 */
648 volatile u_int32_t nicMacRxSyncAttns; /* 123 */
649 volatile u_int32_t nicMacRxConfigAttns; /* 124 */
650 volatile u_int32_t nicMacReset; /* 125 */
651 volatile u_int32_t nicMacRxBufDescrAttns; /* 126 */
652 volatile u_int32_t nicMacRxBufAttns; /* 127 */
653 volatile u_int32_t nicMacRxZeroFrameCleanup; /* 128 */
654 volatile u_int32_t nicMacRxOneFrameCleanup; /* 129 */
655 volatile u_int32_t nicMacRxMultipleFrameCleanup; /* 130 */
656 volatile u_int32_t nicMacRxTimerCleanup; /* 131 */
657 volatile u_int32_t nicMacRxDmaCleanup; /* 132 */
658 /*
659 * Stats from the mac_stats area
660 */
661 volatile u_int32_t nicMacTxCollisionHistogram[15]; /* 133 */
662 /*
663 * MAC TX Attentions
664 */
665 volatile u_int32_t nicMacTxTotalAttns; /* 134 */
666 /*
667 * NIC Profile
668 */
669 volatile u_int32_t nicProfile[32]; /* 135 */
670 /*
671 * Pat to 1024 bytes.
672 */
673 u_int32_t pad[75];
674 };
675 /*
676 * Tigon general information block. This resides in host memory
677 * and contains the status counters, ring control blocks and
678 * producer pointers.
679 */
680
681 struct ti_gib {
682 struct ti_stats ti_stats;
683 struct ti_rcb ti_ev_rcb;
684 struct ti_rcb ti_cmd_rcb;
685 struct ti_rcb ti_tx_rcb;
686 struct ti_rcb ti_std_rx_rcb;
687 struct ti_rcb ti_jumbo_rx_rcb;
688 struct ti_rcb ti_mini_rx_rcb;
689 struct ti_rcb ti_return_rcb;
690 ti_hostaddr ti_ev_prodidx_ptr;
691 ti_hostaddr ti_return_prodidx_ptr;
692 ti_hostaddr ti_tx_considx_ptr;
693 ti_hostaddr ti_refresh_stats_ptr;
694 };
695
696 /*
697 * Buffer descriptor structures. There are basically three types
698 * of structures: normal receive descriptors, extended receive
699 * descriptors and transmit descriptors. The extended receive
700 * descriptors are optionally used only for the jumbo receive ring.
701 */
702
703 struct ti_rx_desc {
704 ti_hostaddr ti_addr;
705 #if BYTE_ORDER == BIG_ENDIAN
706 u_int16_t ti_idx;
707 u_int16_t ti_len;
708 #else
709 u_int16_t ti_len;
710 u_int16_t ti_idx;
711 #endif
712 #if BYTE_ORDER == BIG_ENDIAN
713 u_int16_t ti_type;
714 u_int16_t ti_flags;
715 #else
716 u_int16_t ti_flags;
717 u_int16_t ti_type;
718 #endif
719 #if BYTE_ORDER == BIG_ENDIAN
720 u_int16_t ti_ip_cksum;
721 u_int16_t ti_tcp_udp_cksum;
722 #else
723 u_int16_t ti_tcp_udp_cksum;
724 u_int16_t ti_ip_cksum;
725 #endif
726 #if BYTE_ORDER == BIG_ENDIAN
727 u_int16_t ti_error_flags;
728 u_int16_t ti_vlan_tag;
729 #else
730 u_int16_t ti_vlan_tag;
731 u_int16_t ti_error_flags;
732 #endif
733 u_int32_t ti_rsvd;
734 u_int32_t ti_opaque;
735 };
736
737 struct ti_rx_desc_ext {
738 ti_hostaddr ti_addr1;
739 ti_hostaddr ti_addr2;
740 ti_hostaddr ti_addr3;
741 #if BYTE_ORDER == BIG_ENDIAN
742 u_int16_t ti_len1;
743 u_int16_t ti_len2;
744 #else
745 u_int16_t ti_len2;
746 u_int16_t ti_len1;
747 #endif
748 #if BYTE_ORDER == BIG_ENDIAN
749 u_int16_t ti_len3;
750 u_int16_t ti_rsvd0;
751 #else
752 u_int16_t ti_rsvd0;
753 u_int16_t ti_len3;
754 #endif
755 ti_hostaddr ti_addr0;
756 #if BYTE_ORDER == BIG_ENDIAN
757 u_int16_t ti_idx;
758 u_int16_t ti_len0;
759 #else
760 u_int16_t ti_len0;
761 u_int16_t ti_idx;
762 #endif
763 #if BYTE_ORDER == BIG_ENDIAN
764 u_int16_t ti_type;
765 u_int16_t ti_flags;
766 #else
767 u_int16_t ti_flags;
768 u_int16_t ti_type;
769 #endif
770 #if BYTE_ORDER == BIG_ENDIAN
771 u_int16_t ti_ip_cksum;
772 u_int16_t ti_tcp_udp_cksum;
773 #else
774 u_int16_t ti_tcp_udp_cksum;
775 u_int16_t ti_ip_cksum;
776 #endif
777 #if BYTE_ORDER == BIG_ENDIAN
778 u_int16_t ti_error_flags;
779 u_int16_t ti_vlan_tag;
780 #else
781 u_int16_t ti_vlan_tag;
782 u_int16_t ti_error_flags;
783 #endif
784 u_int32_t ti_rsvd1;
785 u_int32_t ti_opaque;
786 };
787
788 /*
789 * Transmit descriptors are, mercifully, very small.
790 */
791 struct ti_tx_desc {
792 ti_hostaddr ti_addr;
793 #if BYTE_ORDER == BIG_ENDIAN
794 u_int16_t ti_len;
795 u_int16_t ti_flags;
796 #else
797 u_int16_t ti_flags;
798 u_int16_t ti_len;
799 #endif
800 #if BYTE_ORDER == BIG_ENDIAN
801 u_int16_t ti_rsvd;
802 u_int16_t ti_vlan_tag;
803 #else
804 u_int16_t ti_vlan_tag;
805 u_int16_t ti_rsvd;
806 #endif
807 };
808
809 /*
810 * NOTE! On the Alpha, we have an alignment constraint.
811 * The first thing in the packet is a 14-byte Ethernet header.
812 * This means that the packet is misaligned. To compensate,
813 * we actually offset the data 2 bytes into the cluster. This
814 * alignes the packet after the Ethernet header at a 32-bit
815 * boundary.
816 */
817
818 #define ETHER_ALIGN 2
819
820 #define TI_FRAMELEN 1518
821 #define TI_JUMBO_FRAMELEN 9018
822 #define TI_JUMBO_MTU (TI_JUMBO_FRAMELEN-ETHER_HDR_LEN-ETHER_CRC_LEN)
823 #define TI_PAGE_SIZE PAGE_SIZE
824 #define TI_MIN_FRAMELEN 60
825
826 /*
827 * Buffer descriptor error flags.
828 */
829 #define TI_BDERR_CRC 0x0001
830 #define TI_BDERR_COLLDETECT 0x0002
831 #define TI_BDERR_LINKLOST 0x0004
832 #define TI_BDERR_DECODE 0x0008
833 #define TI_BDERR_ODD_NIBBLES 0x0010
834 #define TI_BDERR_MAC_ABRT 0x0020
835 #define TI_BDERR_RUNT 0x0040
836 #define TI_BDERR_TRUNC 0x0080
837 #define TI_BDERR_GIANT 0x0100
838
839 /*
840 * Buffer descriptor flags.
841 */
842 #define TI_BDFLAG_TCP_UDP_CKSUM 0x0001
843 #define TI_BDFLAG_IP_CKSUM 0x0002
844 #define TI_BDFLAG_END 0x0004
845 #define TI_BDFLAG_MORE 0x0008
846 #define TI_BDFLAG_JUMBO_RING 0x0010
847 #define TI_BDFLAG_UCAST_PKT 0x0020
848 #define TI_BDFLAG_MCAST_PKT 0x0040
849 #define TI_BDFLAG_BCAST_PKT 0x0060
850 #define TI_BDFLAG_IP_FRAG 0x0080
851 #define TI_BDFLAG_IP_FRAG_END 0x0100
852 #define TI_BDFLAG_VLAN_TAG 0x0200
853 #define TI_BDFLAG_ERROR 0x0400
854 #define TI_BDFLAG_COAL_NOW 0x0800
855 #define TI_BDFLAG_MINI_RING 0x1000
856
857 /*
858 * Descriptor type flags. I think these only have meaning for
859 * the Tigon 1. I had to extract them from the sample driver source
860 * since they aren't in the manual.
861 */
862 #define TI_BDTYPE_TYPE_NULL 0x0000
863 #define TI_BDTYPE_SEND_BD 0x0001
864 #define TI_BDTYPE_RECV_BD 0x0002
865 #define TI_BDTYPE_RECV_JUMBO_BD 0x0003
866 #define TI_BDTYPE_RECV_BD_LAST 0x0004
867 #define TI_BDTYPE_SEND_DATA 0x0005
868 #define TI_BDTYPE_SEND_DATA_LAST 0x0006
869 #define TI_BDTYPE_RECV_DATA 0x0007
870 #define TI_BDTYPE_RECV_DATA_LAST 0x000b
871 #define TI_BDTYPE_EVENT_RUPT 0x000c
872 #define TI_BDTYPE_EVENT_NO_RUPT 0x000d
873 #define TI_BDTYPE_ODD_START 0x000e
874 #define TI_BDTYPE_UPDATE_STATS 0x000f
875 #define TI_BDTYPE_SEND_DUMMY_DMA 0x0010
876 #define TI_BDTYPE_EVENT_PROD 0x0011
877 #define TI_BDTYPE_TX_CONS 0x0012
878 #define TI_BDTYPE_RX_PROD 0x0013
879 #define TI_BDTYPE_REFRESH_STATS 0x0014
880 #define TI_BDTYPE_SEND_DATA_LAST_VLAN 0x0015
881 #define TI_BDTYPE_SEND_DATA_COAL 0x0016
882 #define TI_BDTYPE_SEND_DATA_LAST_COAL 0x0017
883 #define TI_BDTYPE_SEND_DATA_LAST_VLAN_COAL 0x0018
884 #define TI_BDTYPE_TX_CONS_NO_INTR 0x0019
885
886 /*
887 * Tigon command structure.
888 */
889 struct ti_cmd_desc {
890 #if BYTE_ORDER == BIG_ENDIAN
891 u_int32_t ti_cmd:8;
892 u_int32_t ti_code:12;
893 u_int32_t ti_idx:12;
894 #else
895 u_int32_t ti_idx:12;
896 u_int32_t ti_code:12;
897 u_int32_t ti_cmd:8;
898 #endif
899 };
900
901 #define TI_CMD_HOST_STATE 0x01
902 #define TI_CMD_CODE_STACK_UP 0x01
903 #define TI_CMD_CODE_STACK_DOWN 0x02
904
905 /*
906 * This command enables software address filtering. It's a workaround
907 * for a bug in the Tigon 1 and not implemented for the Tigon 2.
908 */
909 #define TI_CMD_FDR_FILTERING 0x02
910 #define TI_CMD_CODE_FILT_ENB 0x01
911 #define TI_CMD_CODE_FILT_DIS 0x02
912
913 #define TI_CMD_SET_RX_PROD_IDX 0x03 /* obsolete */
914 #define TI_CMD_UPDATE_GENCOM 0x04
915 #define TI_CMD_RESET_JUMBO_RING 0x05
916 #define TI_CMD_SET_PARTIAL_RX_CNT 0x06
917 #define TI_CMD_ADD_MCAST_ADDR 0x08 /* obsolete */
918 #define TI_CMD_DEL_MCAST_ADDR 0x09 /* obsolete */
919
920 #define TI_CMD_SET_PROMISC_MODE 0x0A
921 #define TI_CMD_CODE_PROMISC_ENB 0x01
922 #define TI_CMD_CODE_PROMISC_DIS 0x02
923
924 #define TI_CMD_LINK_NEGOTIATION 0x0B
925 #define TI_CMD_CODE_NEGOTIATE_BOTH 0x00
926 #define TI_CMD_CODE_NEGOTIATE_GIGABIT 0x01
927 #define TI_CMD_CODE_NEGOTIATE_10_100 0x02
928
929 #define TI_CMD_SET_MAC_ADDR 0x0C
930 #define TI_CMD_CLR_PROFILE 0x0D
931
932 #define TI_CMD_SET_ALLMULTI 0x0E
933 #define TI_CMD_CODE_ALLMULTI_ENB 0x01
934 #define TI_CMD_CODE_ALLMULTI_DIS 0x02
935
936 #define TI_CMD_CLR_STATS 0x0F
937 #define TI_CMD_SET_RX_JUMBO_PROD_IDX 0x10 /* obsolete */
938 #define TI_CMD_RFRSH_STATS 0x11
939
940 #define TI_CMD_EXT_ADD_MCAST 0x12
941 #define TI_CMD_EXT_DEL_MCAST 0x13
942
943 /*
944 * Utility macros to make issuing commands a little simpler. Assumes
945 * that 'sc' and 'cmd' are in local scope.
946 */
947 #define TI_DO_CMD(x, y, z) \
948 cmd.ti_cmd = x; \
949 cmd.ti_code = y; \
950 cmd.ti_idx = z; \
951 ti_cmd(sc, &cmd);
952
953 #define TI_DO_CMD_EXT(x, y, z, v, w) \
954 cmd.ti_cmd = x; \
955 cmd.ti_code = y; \
956 cmd.ti_idx = z; \
957 ti_cmd_ext(sc, &cmd, v, w);
958
959 /*
960 * Other utility macros.
961 */
962 #define TI_INC(x, y) (x) = (x + 1) % y
963
964 #define TI_UPDATE_JUMBOPROD(x, y) \
965 if (x->ti_hwrev == TI_HWREV_TIGON) { \
966 TI_DO_CMD(TI_CMD_SET_RX_JUMBO_PROD_IDX, 0, y); \
967 } else { \
968 CSR_WRITE_4(x, TI_MB_JUMBORXPROD_IDX, y); \
969 }
970
971 #define TI_UPDATE_MINIPROD(x, y) \
972 CSR_WRITE_4(x, TI_MB_MINIRXPROD_IDX, y);
973
974 #define TI_UPDATE_STDPROD(x, y) \
975 if (x->ti_hwrev == TI_HWREV_TIGON) { \
976 TI_DO_CMD(TI_CMD_SET_RX_PROD_IDX, 0, y); \
977 } else { \
978 CSR_WRITE_4(x, TI_MB_STDRXPROD_IDX, y); \
979 }
980
981
982 /*
983 * Tigon event structure.
984 */
985 struct ti_event_desc {
986 #if BYTE_ORDER == BIG_ENDIAN
987 u_int32_t ti_event:8;
988 u_int32_t ti_code:12;
989 u_int32_t ti_idx:12;
990 #else
991 u_int32_t ti_idx:12;
992 u_int32_t ti_code:12;
993 u_int32_t ti_event:8;
994 #endif
995 u_int32_t ti_rsvd;
996 };
997
998 /*
999 * Tigon events.
1000 */
1001 #define TI_EV_FIRMWARE_UP 0x01
1002 #define TI_EV_STATS_UPDATED 0x04
1003
1004 #define TI_EV_LINKSTAT_CHANGED 0x06
1005 #define TI_EV_CODE_GIG_LINK_UP 0x01
1006 #define TI_EV_CODE_LINK_DOWN 0x02
1007 #define TI_EV_CODE_LINK_UP 0x03
1008
1009 #define TI_EV_ERROR 0x07
1010 #define TI_EV_CODE_ERR_INVAL_CMD 0x01
1011 #define TI_EV_CODE_ERR_UNIMP_CMD 0x02
1012 #define TI_EV_CODE_ERR_BADCFG 0x03
1013
1014 #define TI_EV_MCAST_UPDATED 0x08
1015 #define TI_EV_CODE_MCAST_ADD 0x01
1016 #define TI_EV_CODE_MCAST_DEL 0x02
1017
1018 #define TI_EV_RESET_JUMBO_RING 0x09
1019 /*
1020 * Register access macros. The Tigon always uses memory mapped register
1021 * accesses and all registers must be accessed with 32 bit operations.
1022 */
1023
1024 #define CSR_WRITE_4(sc, reg, val) \
1025 bus_space_write_4(sc->ti_btag, sc->ti_bhandle, reg, val)
1026
1027 #define CSR_READ_4(sc, reg) \
1028 bus_space_read_4(sc->ti_btag, sc->ti_bhandle, reg)
1029
1030 #define TI_SETBIT(sc, reg, x) \
1031 CSR_WRITE_4(sc, reg, (CSR_READ_4(sc, reg) | x))
1032 #define TI_CLRBIT(sc, reg, x) \
1033 CSR_WRITE_4(sc, reg, (CSR_READ_4(sc, reg) & ~x))
1034
1035 /*
1036 * Memory management stuff. Note: the SSLOTS, MSLOTS and JSLOTS
1037 * values are tuneable. They control the actual amount of buffers
1038 * allocated for the standard, mini and jumbo receive rings.
1039 */
1040
1041 #define TI_SSLOTS 256
1042 #define TI_MSLOTS 256
1043 #define TI_JSLOTS 384
1044
1045 #define TI_JRAWLEN (TI_JUMBO_FRAMELEN + ETHER_ALIGN + sizeof(u_int64_t))
1046 #define TI_JLEN (TI_JRAWLEN + (sizeof(u_int64_t) - \
1047 (TI_JRAWLEN % sizeof(u_int64_t))))
1048 #define TI_JPAGESZ PAGE_SIZE
1049 #define TI_RESID (TI_JPAGESZ - (TI_JLEN * TI_JSLOTS) % TI_JPAGESZ)
1050 #define TI_JMEM ((TI_JLEN * TI_JSLOTS) + TI_RESID)
1051
1052 struct ti_jslot {
1053 caddr_t ti_buf;
1054 int ti_inuse;
1055 };
1056
1057 /*
1058 * Ring structures. Most of these reside in host memory and we tell
1059 * the NIC where they are via the ring control blocks. The exceptions
1060 * are the tx and command rings, which live in NIC memory and which
1061 * we access via the shared memory window.
1062 */
1063 struct ti_ring_data {
1064 struct ti_rx_desc ti_rx_std_ring[TI_STD_RX_RING_CNT];
1065 struct ti_rx_desc ti_rx_jumbo_ring[TI_JUMBO_RX_RING_CNT];
1066 struct ti_rx_desc ti_rx_mini_ring[TI_MINI_RX_RING_CNT];
1067 struct ti_rx_desc ti_rx_return_ring[TI_RETURN_RING_CNT];
1068 struct ti_event_desc ti_event_ring[TI_EVENT_RING_CNT];
1069 struct ti_tx_desc ti_tx_ring[TI_TX_RING_CNT];
1070 /*
1071 * Make sure producer structures are aligned on 32-byte cache
1072 * line boundaries.
1073 */
1074 struct ti_producer ti_ev_prodidx_r;
1075 u_int32_t ti_pad0[6];
1076 struct ti_producer ti_return_prodidx_r;
1077 u_int32_t ti_pad1[6];
1078 struct ti_producer ti_tx_considx_r;
1079 u_int32_t ti_pad2[6];
1080 struct ti_tx_desc *ti_tx_ring_nic;/* pointer to shared mem */
1081 struct ti_cmd_desc *ti_cmd_ring; /* pointer to shared mem */
1082 struct ti_gib ti_info;
1083 };
1084
1085 /*
1086 * Mbuf pointers. We need these to keep track of the virtual addresses
1087 * of our mbuf chains since we can only convert from physical to virtual,
1088 * not the other way around.
1089 */
1090 struct ti_chain_data {
1091 struct mbuf *ti_tx_chain[TI_TX_RING_CNT];
1092 struct mbuf *ti_rx_std_chain[TI_STD_RX_RING_CNT];
1093 struct mbuf *ti_rx_jumbo_chain[TI_JUMBO_RX_RING_CNT];
1094 struct mbuf *ti_rx_mini_chain[TI_MINI_RX_RING_CNT];
1095 /* Stick the jumbo mem management stuff here too. */
1096 struct ti_jslot ti_jslots[TI_JSLOTS];
1097 void *ti_jumbo_buf;
1098 };
1099
1100 struct ti_type {
1101 u_int16_t ti_vid;
1102 u_int16_t ti_did;
1103 char *ti_name;
1104 };
1105
1106 #define TI_HWREV_TIGON 0x01
1107 #define TI_HWREV_TIGON_II 0x02
1108 #define TI_TIMEOUT 1000
1109 #define TI_TXCONS_UNSET 0xFFFF /* impossible value */
1110
1111 struct ti_mc_entry {
1112 struct ether_addr mc_addr;
1113 SLIST_ENTRY(ti_mc_entry) mc_entries;
1114 };
1115
1116 struct ti_jpool_entry {
1117 int slot;
1118 SLIST_ENTRY(ti_jpool_entry) jpool_entries;
1119 };
1120
1121 struct ti_softc {
1122 struct arpcom arpcom; /* interface info */
1123 bus_space_handle_t ti_bhandle;
1124 vm_offset_t ti_vhandle;
1125 bus_space_tag_t ti_btag;
1126 void *ti_intrhand;
1127 struct resource *ti_irq;
1128 struct resource *ti_res;
1129 struct ifmedia ifmedia; /* media info */
1130 u_int8_t ti_unit; /* interface number */
1131 u_int8_t ti_hwrev; /* Tigon rev (1 or 2) */
1132 u_int8_t ti_copper; /* 1000baseTX card */
1133 u_int8_t ti_linkstat; /* Link state */
1134 struct ti_ring_data *ti_rdata; /* rings */
1135 struct ti_chain_data ti_cdata; /* mbufs */
1136 #define ti_ev_prodidx ti_rdata->ti_ev_prodidx_r
1137 #define ti_return_prodidx ti_rdata->ti_return_prodidx_r
1138 #define ti_tx_considx ti_rdata->ti_tx_considx_r
1139 u_int16_t ti_tx_saved_considx;
1140 u_int16_t ti_rx_saved_considx;
1141 u_int16_t ti_ev_saved_considx;
1142 u_int16_t ti_cmd_saved_prodidx;
1143 u_int16_t ti_std; /* current std ring head */
1144 u_int16_t ti_mini; /* current mini ring head */
1145 u_int16_t ti_jumbo; /* current jumo ring head */
1146 SLIST_HEAD(__ti_mchead, ti_mc_entry) ti_mc_listhead;
1147 SLIST_HEAD(__ti_jfreehead, ti_jpool_entry) ti_jfree_listhead;
1148 SLIST_HEAD(__ti_jinusehead, ti_jpool_entry) ti_jinuse_listhead;
1149 u_int32_t ti_stat_ticks;
1150 u_int32_t ti_rx_coal_ticks;
1151 u_int32_t ti_tx_coal_ticks;
1152 u_int32_t ti_rx_max_coal_bds;
1153 u_int32_t ti_tx_max_coal_bds;
1154 u_int32_t ti_tx_buf_ratio;
1155 int ti_if_flags;
1156 int ti_txcnt;
1157 };
1158
1159 /*
1160 * Microchip Technology 24Cxx EEPROM control bytes
1161 */
1162 #define EEPROM_CTL_READ 0xA1 /* 0101 0001 */
1163 #define EEPROM_CTL_WRITE 0xA0 /* 0101 0000 */
1164
1165 /*
1166 * Note that EEPROM_START leaves transmission enabled.
1167 */
1168 #define EEPROM_START \
1169 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock pin high */\
1170 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Set DATA bit to 1 */ \
1171 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit to write bit */\
1172 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA bit to 0 again */\
1173 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */
1174
1175 /*
1176 * EEPROM_STOP ends access to the EEPROM and clears the ETXEN bit so
1177 * that no further data can be written to the EEPROM I/O pin.
1178 */
1179 #define EEPROM_STOP \
1180 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit */ \
1181 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA to 0 */ \
1182 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock high */ \
1183 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit */ \
1184 TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Toggle DATA to 1 */ \
1185 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit. */ \
1186 TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */
1187
1188
1189 #ifdef __alpha__
1190 #undef vtophys
1191 #define vtophys(va) alpha_XXX_dmamap((vm_offset_t)va)
1192 #endif
Cache object: 72593676905d4bbd39dad67cfdfaf843
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