Annotation of src/sys/dev/pci/if_tireg.h, Revision 1.24
1.24 ! thorpej 1: /* $NetBSD: if_tireg.h,v 1.23 2020/02/01 06:38:58 thorpej Exp $ */
1.1 drochner 2:
3: /*
4: * Copyright (c) 1997, 1998, 1999
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 Id: if_tireg.h,v 1.9 1999/07/27 03:54:48 wpaul Exp
35: */
36:
37: /*
38: * Tigon register offsets. These are memory mapped registers
39: * which can be accessed with the CSR_READ_4()/CSR_WRITE_4() macros.
40: * Each register must be accessed using 32 bit operations.
41: *
42: * All reegisters are accessed through a 16K shared memory block.
43: * The first group of registers are actually copies of the PCI
44: * configuration space registers.
45: */
46:
47: /*
48: * Tigon configuration and control registers.
49: */
50: #define TI_MISC_HOST_CTL 0x040
51: #define TI_MISC_LOCAL_CTL 0x044
52: #define TI_SEM_AB 0x048 /* Tigon 2 only */
53: #define TI_MISC_CONF 0x050 /* Tigon 2 only */
54: #define TI_TIMER_BITS 0x054
55: #define TI_TIMERREF 0x058
56: #define TI_PCI_STATE 0x05C
57: #define TI_MAIN_EVENT_A 0x060
58: #define TI_MAILBOX_EVENT_A 0x064
59: #define TI_WINBASE 0x068
60: #define TI_WINDATA 0x06C
61: #define TI_MAIN_EVENT_B 0x070 /* Tigon 2 only */
62: #define TI_MAILBOX_EVENT_B 0x074 /* Tigon 2 only */
63: #define TI_TIMERREF_B 0x078 /* Tigon 2 only */
64: #define TI_SERIAL 0x07C
65:
66: /*
67: * Misc host control bits.
68: */
69: #define TI_MHC_INTSTATE 0x00000001
70: #define TI_MHC_CLEARINT 0x00000002
71: #define TI_MHC_RESET 0x00000008
72: #define TI_MHC_BYTE_SWAP_ENB 0x00000010
73: #define TI_MHC_WORD_SWAP_ENB 0x00000020
74: #define TI_MHC_MASK_INTS 0x00000040
75: #define TI_MHC_CHIP_REV_MASK 0xF0000000
76:
77: #define TI_MHC_BIGENDIAN_INIT \
78: (TI_MHC_BYTE_SWAP_ENB|TI_MHC_WORD_SWAP_ENB|TI_MHC_CLEARINT)
79:
80: #define TI_MHC_LITTLEENDIAN_INIT \
81: (TI_MHC_WORD_SWAP_ENB|TI_MHC_CLEARINT)
82:
83: /*
84: * Tigon chip rev values. Rev 4 is the Tigon 1. Rev 6 is the Tigon 2.
85: * Rev 5 is also the Tigon 2, but is a broken version which was never
86: * used in any actual hardware, so we ignore it.
87: */
88: #define TI_REV_TIGON_I 0x40000000
89: #define TI_REV_TIGON_II 0x60000000
90:
91: /*
92: * Firmware revision that we want.
93: */
94: #define TI_FIRMWARE_MAJOR 0xc
1.3 bouyer 95: #define TI_FIRMWARE_MINOR 0x4
96: #define TI_FIRMWARE_FIX 0xd
1.1 drochner 97:
98: /*
99: * Miscelaneous Local Control register.
100: */
101: #define TI_MLC_EE_WRITE_ENB 0x00000010
102: #define TI_MLC_SRAM_BANK_256K 0x00000200
103: #define TI_MLC_SRAM_BANK_SIZE 0x00000300 /* Tigon 2 only */
104: #define TI_MLC_LOCALADDR_21 0x00004000
105: #define TI_MLC_LOCALADDR_22 0x00008000
106: #define TI_MLC_SBUS_WRITEERR 0x00080000
107: #define TI_MLC_EE_CLK 0x00100000
108: #define TI_MLC_EE_TXEN 0x00200000
109: #define TI_MLC_EE_DOUT 0x00400000
110: #define TI_MLC_EE_DIN 0x00800000
111:
112: /*
113: * Offset of MAC address inside EEPROM.
114: */
115: #define TI_EE_MAC_OFFSET 0x8c
116:
117: #define TI_DMA_ASSIST 0x11C
118: #define TI_CPU_STATE 0x140
119: #define TI_CPU_PROGRAM_COUNTER 0x144
120: #define TI_SRAM_ADDR 0x154
121: #define TI_SRAM_DATA 0x158
122: #define TI_GEN_0 0x180
123: #define TI_GEN_X 0x1FC
124: #define TI_MAC_TX_STATE 0x200
125: #define TI_MAC_RX_STATE 0x220
126: #define TI_CPU_CTL_B 0x240 /* Tigon 2 only */
127: #define TI_CPU_PROGRAM_COUNTER_B 0x244 /* Tigon 2 only */
128: #define TI_SRAM_ADDR_B 0x254 /* Tigon 2 only */
129: #define TI_SRAM_DATA_B 0x258 /* Tigon 2 only */
130: #define TI_GEN_B_0 0x280 /* Tigon 2 only */
131: #define TI_GEN_B_X 0x2FC /* Tigon 2 only */
132:
133: /*
134: * Misc config register.
135: */
136: #define TI_MCR_SRAM_SYNCHRONOUS 0x00100000 /* Tigon 2 only */
137:
138: /*
139: * PCI state register.
140: */
141: #define TI_PCISTATE_FORCE_RESET 0x00000001
142: #define TI_PCISTATE_PROVIDE_LEN 0x00000002
143: #define TI_PCISTATE_READ_MAXDMA 0x0000001C
144: #define TI_PCISTATE_WRITE_MAXDMA 0x000000E0
145: #define TI_PCISTATE_MINDMA 0x0000FF00
146: #define TI_PCISTATE_FIFO_RETRY_ENB 0x00010000
147: #define TI_PCISTATE_USE_MEM_RD_MULT 0x00020000
148: #define TI_PCISTATE_NO_SWAP_READ_DMA 0x00040000
149: #define TI_PCISTATE_NO_SWAP_WRITE_DMA 0x00080000
150: #define TI_PCISTATE_66MHZ_BUS 0x00080000 /* Tigon 2 only */
151: #define TI_PCISTATE_32BIT_BUS 0x00100000 /* Tigon 2 only */
152: #define TI_PCISTATE_ENB_BYTE_ENABLES 0x00800000 /* Tigon 2 only */
153: #define TI_PCISTATE_READ_CMD 0x0F000000
154: #define TI_PCISTATE_WRITE_CMD 0xF0000000
155:
156: #define TI_PCI_READMAX_4 0x04
157: #define TI_PCI_READMAX_16 0x08
158: #define TI_PCI_READMAX_32 0x0C
159: #define TI_PCI_READMAX_64 0x10
160: #define TI_PCI_READMAX_128 0x14
161: #define TI_PCI_READMAX_256 0x18
162: #define TI_PCI_READMAX_1024 0x1C
163:
164: #define TI_PCI_WRITEMAX_4 0x20
165: #define TI_PCI_WRITEMAX_16 0x40
166: #define TI_PCI_WRITEMAX_32 0x60
167: #define TI_PCI_WRITEMAX_64 0x80
168: #define TI_PCI_WRITEMAX_128 0xA0
169: #define TI_PCI_WRITEMAX_256 0xC0
170: #define TI_PCI_WRITEMAX_1024 0xE0
171:
172: #define TI_PCI_READ_CMD 0x06000000
173: #define TI_PCI_WRITE_CMD 0x70000000
174:
175: /*
176: * DMA state register.
177: */
178: #define TI_DMASTATE_ENABLE 0x00000001
179: #define TI_DMASTATE_PAUSE 0x00000002
180:
181: /*
182: * CPU state register.
183: */
184: #define TI_CPUSTATE_RESET 0x00000001
185: #define TI_CPUSTATE_STEP 0x00000002
186: #define TI_CPUSTATE_ROMFAIL 0x00000010
187: #define TI_CPUSTATE_HALT 0x00010000
188: /*
189: * MAC TX state register
190: */
191: #define TI_TXSTATE_RESET 0x00000001
192: #define TI_TXSTATE_ENB 0x00000002
193: #define TI_TXSTATE_STOP 0x00000004
194:
195: /*
196: * MAC RX state register
197: */
198: #define TI_RXSTATE_RESET 0x00000001
199: #define TI_RXSTATE_ENB 0x00000002
200: #define TI_RXSTATE_STOP 0x00000004
201:
202: /*
203: * Tigon 2 mailbox registers. The mailbox area consists of 256 bytes
204: * split into 64 bit registers. Only the lower 32 bits of each mailbox
205: * are used.
206: */
207: #define TI_MB_HOSTINTR_HI 0x500
208: #define TI_MB_HOSTINTR_LO 0x504
209: #define TI_MB_HOSTINTR TI_MB_HOSTINTR_LO
210: #define TI_MB_CMDPROD_IDX_HI 0x508
211: #define TI_MB_CMDPROD_IDX_LO 0x50C
212: #define TI_MB_CMDPROD_IDX TI_MB_CMDPROD_IDX_LO
213: #define TI_MB_SENDPROD_IDX_HI 0x510
214: #define TI_MB_SENDPROD_IDX_LO 0x514
215: #define TI_MB_SENDPROD_IDX TI_MB_SENDPROD_IDX_LO
216: #define TI_MB_STDRXPROD_IDX_HI 0x518 /* Tigon 2 only */
217: #define TI_MB_STDRXPROD_IDX_LO 0x51C /* Tigon 2 only */
218: #define TI_MB_STDRXPROD_IDX TI_MB_STDRXPROD_IDX_LO
219: #define TI_MB_JUMBORXPROD_IDX_HI 0x520 /* Tigon 2 only */
220: #define TI_MB_JUMBORXPROD_IDX_LO 0x524 /* Tigon 2 only */
221: #define TI_MB_JUMBORXPROD_IDX TI_MB_JUMBORXPROD_IDX_LO
222: #define TI_MB_MINIRXPROD_IDX_HI 0x528 /* Tigon 2 only */
223: #define TI_MB_MINIRXPROD_IDX_LO 0x52C /* Tigon 2 only */
224: #define TI_MB_MINIRXPROD_IDX TI_MB_MINIRXPROD_IDX_LO
225: #define TI_MB_RSVD 0x530
226:
227: /*
228: * Tigon 2 general communication registers. These are 64 and 32 bit
229: * registers which are only valid after the firmware has been
230: * loaded and started. They actually exist in NIC memory but are
231: * mapped into the host memory via the shared memory region.
232: *
233: * The NIC internally maps these registers starting at address 0,
234: * so to determine the NIC address of any of these registers, we
235: * subtract 0x600 (the address of the first register).
236: */
237:
238: #define TI_GCR_BASE 0x600
239: #define TI_GCR_MACADDR 0x600
240: #define TI_GCR_PAR0 0x600
241: #define TI_GCR_PAR1 0x604
242: #define TI_GCR_GENINFO_HI 0x608
243: #define TI_GCR_GENINFO_LO 0x60C
244: #define TI_GCR_MCASTADDR 0x610 /* obsolete */
245: #define TI_GCR_MAR0 0x610 /* obsolete */
246: #define TI_GCR_MAR1 0x614 /* obsolete */
247: #define TI_GCR_OPMODE 0x618
248: #define TI_GCR_DMA_READCFG 0x61C
249: #define TI_GCR_DMA_WRITECFG 0x620
250: #define TI_GCR_TX_BUFFER_RATIO 0x624
251: #define TI_GCR_EVENTCONS_IDX 0x628
252: #define TI_GCR_CMDCONS_IDX 0x62C
253: #define TI_GCR_TUNEPARMS 0x630
254: #define TI_GCR_RX_COAL_TICKS 0x630
255: #define TI_GCR_TX_COAL_TICKS 0x634
256: #define TI_GCR_STAT_TICKS 0x638
257: #define TI_GCR_TX_MAX_COAL_BD 0x63C
258: #define TI_GCR_RX_MAX_COAL_BD 0x640
259: #define TI_GCR_NIC_TRACING 0x644
260: #define TI_GCR_GLINK 0x648
261: #define TI_GCR_LINK 0x64C
262: #define TI_GCR_NICTRACE_PTR 0x650
263: #define TI_GCR_NICTRACE_START 0x654
264: #define TI_GCR_NICTRACE_LEN 0x658
265: #define TI_GCR_IFINDEX 0x65C
266: #define TI_GCR_IFMTU 0x660
267: #define TI_GCR_MASK_INTRS 0x664
268: #define TI_GCR_GLINK_STAT 0x668
269: #define TI_GCR_LINK_STAT 0x66C
270: #define TI_GCR_RXRETURNCONS_IDX 0x680
271: #define TI_GCR_CMDRING 0x700
272:
1.24 ! thorpej 273: #define TI_GCR_NIC_ADDR(x) (x - TI_GCR_BASE)
1.1 drochner 274:
275: /*
276: * Local memory window. The local memory window is a 2K shared
277: * memory region which can be used to access the NIC's internal
278: * SRAM. The window can be mapped to a given 2K region using
279: * the TI_WINDOW_BASE register.
280: */
281: #define TI_WINDOW 0x800
282: #define TI_WINLEN 0x800
283:
284: #define TI_TICKS_PER_SEC 1000000
285:
286: /*
287: * Operation mode register.
288: */
289: #define TI_OPMODE_BYTESWAP_BD 0x00000002
290: #define TI_OPMODE_WORDSWAP_BD 0x00000004
291: #define TI_OPMODE_WARN_ENB 0x00000008 /* not yet implimented */
292: #define TI_OPMODE_BYTESWAP_DATA 0x00000010
293: #define TI_OPMODE_1_DMA_ACTIVE 0x00000040
294: #define TI_OPMODE_SBUS 0x00000100
295: #define TI_OPMODE_DONT_FRAG_JUMBO 0x00000200
296: #define TI_OPMODE_INCLUDE_CRC 0x00000400
297: #define TI_OPMODE_RX_BADFRAMES 0x00000800
298: #define TI_OPMODE_NO_EVENT_INTRS 0x00001000
299: #define TI_OPMODE_NO_TX_INTRS 0x00002000
300: #define TI_OPMODE_NO_RX_INTRS 0x00004000
301: #define TI_OPMODE_FATAL_ENB 0x40000000 /* not yet implimented */
302:
303: /*
304: * DMA configuration thresholds.
305: */
306: #define TI_DMA_STATE_THRESH_16W 0x00000100
307: #define TI_DMA_STATE_THRESH_8W 0x00000080
308: #define TI_DMA_STATE_THRESH_4W 0x00000040
309: #define TI_DMA_STATE_THRESH_2W 0x00000020
310: #define TI_DMA_STATE_THRESH_1W 0x00000010
311:
312: #define TI_DMA_STATE_FORCE_32_BIT 0x00000008
313:
314: /*
315: * Gigabit link status bits.
316: */
317: #define TI_GLNK_SENSE_NO_BEG 0x00002000
318: #define TI_GLNK_LOOPBACK 0x00004000
319: #define TI_GLNK_PREF 0x00008000
320: #define TI_GLNK_1000MB 0x00040000
321: #define TI_GLNK_FULL_DUPLEX 0x00080000
322: #define TI_GLNK_TX_FLOWCTL_Y 0x00200000 /* Tigon 2 only */
323: #define TI_GLNK_RX_FLOWCTL_Y 0x00800000
324: #define TI_GLNK_AUTONEGENB 0x20000000
325: #define TI_GLNK_ENB 0x40000000
326:
327: /*
328: * Link status bits.
329: */
330: #define TI_LNK_LOOPBACK 0x00004000
331: #define TI_LNK_PREF 0x00008000
332: #define TI_LNK_10MB 0x00010000
333: #define TI_LNK_100MB 0x00020000
334: #define TI_LNK_1000MB 0x00040000
335: #define TI_LNK_FULL_DUPLEX 0x00080000
336: #define TI_LNK_HALF_DUPLEX 0x00100000
337: #define TI_LNK_TX_FLOWCTL_Y 0x00200000 /* Tigon 2 only */
338: #define TI_LNK_RX_FLOWCTL_Y 0x00800000
339: #define TI_LNK_AUTONEGENB 0x20000000
340: #define TI_LNK_ENB 0x40000000
341:
342: /*
343: * Ring size constants.
344: */
345: #define TI_EVENT_RING_CNT 256
346: #define TI_CMD_RING_CNT 64
347: #define TI_STD_RX_RING_CNT 512
348: #define TI_JUMBO_RX_RING_CNT 256
349: #define TI_MINI_RX_RING_CNT 1024
350: #define TI_RETURN_RING_CNT 2048
351:
352: /*
353: * Possible TX ring sizes.
354: */
355: #define TI_TX_RING_CNT_128 128
356: #define TI_TX_RING_BASE_128 0x3800
357:
358: #define TI_TX_RING_CNT_256 256
359: #define TI_TX_RING_BASE_256 0x3000
360:
361: #define TI_TX_RING_CNT_512 512
362: #define TI_TX_RING_BASE_512 0x2000
363:
364: #define TI_TX_RING_CNT TI_TX_RING_CNT_512
365: #define TI_TX_RING_BASE TI_TX_RING_BASE_512
366:
367: /*
368: * The Tigon can have up to 8MB of external SRAM, however the Tigon 1
369: * is limited to 2MB total, and in general I think most adapters have
370: * around 1MB. We use this value for zeroing the NIC's SRAM, so to
371: * be safe we use the largest possible value (zeroing memory that
372: * isn't there doesn't hurt anything).
373: */
374: #define TI_MEM_MAX 0x7FFFFF
375:
1.15 perry 376: #ifdef __64_bit_pci_addressing__
1.1 drochner 377: typedef struct {
378: u_int64_t ti_addr;
379: } ti_hostaddr;
380: #else
381: typedef struct {
382: u_int32_t ti_addr_hi;
383: u_int32_t ti_addr_lo;
384: } ti_hostaddr;
385: #endif
386:
387: /*
388: * Ring control block structure. The rules for the max_len field
389: * are as follows:
1.15 perry 390: *
1.1 drochner 391: * For the send ring, max_len indicates the number of entries in the
392: * ring (128, 256 or 512).
393: *
394: * For the standard receive ring, max_len indicates the threshold
395: * used to decide when a frame should be put in the jumbo receive ring
396: * instead of the standard one.
397: *
398: * For the mini ring, max_len indicates the size of the buffers in the
399: * ring. This is the value used to decide when a frame is small enough
400: * to be placed in the mini ring.
401: *
402: * For the return receive ring, max_len indicates the number of entries
403: * in the ring. It can be one of 2048, 1024 or 0 (which is the same as
404: * 2048 for backwards compatibility). The value 1024 can only be used
405: * if the mini ring is disabled.
406: */
407: struct ti_rcb {
408: ti_hostaddr ti_hostaddr;
409: #if BYTE_ORDER == BIG_ENDIAN
410: u_int16_t ti_max_len;
411: u_int16_t ti_flags;
412: #else
413: u_int16_t ti_flags;
414: u_int16_t ti_max_len;
415: #endif
416: u_int32_t ti_unused;
417: };
418:
419: #define TI_RCB_FLAG_TCP_UDP_CKSUM 0x00000001
420: #define TI_RCB_FLAG_IP_CKSUM 0x00000002
421: #define TI_RCB_FLAG_NO_PHDR_CKSUM 0x00000008
422: #define TI_RCB_FLAG_VLAN_ASSIST 0x00000010
423: #define TI_RCB_FLAG_COAL_UPD_ONLY 0x00000020
424: #define TI_RCB_FLAG_HOST_RING 0x00000040
425: #define TI_RCB_FLAG_IEEE_SNAP_CKSUM 0x00000080
426: #define TI_RCB_FLAG_USE_EXT_RX_BD 0x00000100
427: #define TI_RCB_FLAG_RING_DISABLED 0x00000200
428:
429: struct ti_producer {
430: u_int32_t ti_idx;
431: u_int32_t ti_unused;
432: };
433:
434: /*
435: * Tigon statistics counters.
436: */
437: struct ti_stats {
438: /*
439: * MAC stats, taken from RFC 1643, ethernet-like MIB
440: */
441: volatile u_int32_t dot3StatsAlignmentErrors; /* 0 */
442: volatile u_int32_t dot3StatsFCSErrors; /* 1 */
443: volatile u_int32_t dot3StatsSingleCollisionFrames; /* 2 */
444: volatile u_int32_t dot3StatsMultipleCollisionFrames; /* 3 */
445: volatile u_int32_t dot3StatsSQETestErrors; /* 4 */
446: volatile u_int32_t dot3StatsDeferredTransmissions; /* 5 */
447: volatile u_int32_t dot3StatsLateCollisions; /* 6 */
448: volatile u_int32_t dot3StatsExcessiveCollisions; /* 7 */
449: volatile u_int32_t dot3StatsInternalMacTransmitErrors; /* 8 */
450: volatile u_int32_t dot3StatsCarrierSenseErrors; /* 9 */
451: volatile u_int32_t dot3StatsFrameTooLongs; /* 10 */
452: volatile u_int32_t dot3StatsInternalMacReceiveErrors; /* 11 */
453: /*
454: * interface stats, taken from RFC 1213, MIB-II, interfaces group
455: */
456: volatile u_int32_t ifIndex; /* 12 */
457: volatile u_int32_t ifType; /* 13 */
458: volatile u_int32_t ifMtu; /* 14 */
459: volatile u_int32_t ifSpeed; /* 15 */
460: volatile u_int32_t ifAdminStatus; /* 16 */
461: #define IF_ADMIN_STATUS_UP 1
462: #define IF_ADMIN_STATUS_DOWN 2
463: #define IF_ADMIN_STATUS_TESTING 3
464: volatile u_int32_t ifOperStatus; /* 17 */
465: #define IF_OPER_STATUS_UP 1
466: #define IF_OPER_STATUS_DOWN 2
467: #define IF_OPER_STATUS_TESTING 3
468: #define IF_OPER_STATUS_UNKNOWN 4
469: #define IF_OPER_STATUS_DORMANT 5
470: volatile u_int32_t ifLastChange; /* 18 */
471: volatile u_int32_t ifInDiscards; /* 19 */
472: volatile u_int32_t ifInErrors; /* 20 */
473: volatile u_int32_t ifInUnknownProtos; /* 21 */
474: volatile u_int32_t ifOutDiscards; /* 22 */
475: volatile u_int32_t ifOutErrors; /* 23 */
476: volatile u_int32_t ifOutQLen; /* deprecated */ /* 24 */
477: volatile u_int8_t ifPhysAddress[8]; /* 8 bytes */ /* 25 - 26 */
478: volatile u_int8_t ifDescr[32]; /* 27 - 34 */
479: u_int32_t alignIt; /* align to 64 bit for u_int64_ts following */
480: /*
481: * more interface stats, taken from RFC 1573, MIB-IIupdate,
482: * interfaces group
483: */
484: volatile u_int64_t ifHCInOctets; /* 36 - 37 */
485: volatile u_int64_t ifHCInUcastPkts; /* 38 - 39 */
486: volatile u_int64_t ifHCInMulticastPkts; /* 40 - 41 */
487: volatile u_int64_t ifHCInBroadcastPkts; /* 42 - 43 */
488: volatile u_int64_t ifHCOutOctets; /* 44 - 45 */
489: volatile u_int64_t ifHCOutUcastPkts; /* 46 - 47 */
490: volatile u_int64_t ifHCOutMulticastPkts; /* 48 - 49 */
491: volatile u_int64_t ifHCOutBroadcastPkts; /* 50 - 51 */
492: volatile u_int32_t ifLinkUpDownTrapEnable; /* 52 */
493: volatile u_int32_t ifHighSpeed; /* 53 */
494: volatile u_int32_t ifPromiscuousMode; /* 54 */
495: volatile u_int32_t ifConnectorPresent; /* follow link state 55 */
496: /*
497: * Host Commands
498: */
499: volatile u_int32_t nicCmdsHostState; /* 56 */
500: volatile u_int32_t nicCmdsFDRFiltering; /* 57 */
501: volatile u_int32_t nicCmdsSetRecvProdIndex; /* 58 */
502: volatile u_int32_t nicCmdsUpdateGencommStats; /* 59 */
503: volatile u_int32_t nicCmdsResetJumboRing; /* 60 */
504: volatile u_int32_t nicCmdsAddMCastAddr; /* 61 */
505: volatile u_int32_t nicCmdsDelMCastAddr; /* 62 */
506: volatile u_int32_t nicCmdsSetPromiscMode; /* 63 */
507: volatile u_int32_t nicCmdsLinkNegotiate; /* 64 */
508: volatile u_int32_t nicCmdsSetMACAddr; /* 65 */
509: volatile u_int32_t nicCmdsClearProfile; /* 66 */
510: volatile u_int32_t nicCmdsSetMulticastMode; /* 67 */
511: volatile u_int32_t nicCmdsClearStats; /* 68 */
512: volatile u_int32_t nicCmdsSetRecvJumboProdIndex; /* 69 */
513: volatile u_int32_t nicCmdsSetRecvMiniProdIndex; /* 70 */
514: volatile u_int32_t nicCmdsRefreshStats; /* 71 */
515: volatile u_int32_t nicCmdsUnknown; /* 72 */
516: /*
517: * NIC Events
518: */
519: volatile u_int32_t nicEventsNICFirmwareOperational; /* 73 */
520: volatile u_int32_t nicEventsStatsUpdated; /* 74 */
521: volatile u_int32_t nicEventsLinkStateChanged; /* 75 */
522: volatile u_int32_t nicEventsError; /* 76 */
523: volatile u_int32_t nicEventsMCastListUpdated; /* 77 */
524: volatile u_int32_t nicEventsResetJumboRing; /* 78 */
525: /*
526: * Ring manipulation
527: */
528: volatile u_int32_t nicRingSetSendProdIndex; /* 79 */
529: volatile u_int32_t nicRingSetSendConsIndex; /* 80 */
530: volatile u_int32_t nicRingSetRecvReturnProdIndex; /* 81 */
531: /*
532: * Interrupts
533: */
534: volatile u_int32_t nicInterrupts; /* 82 */
535: volatile u_int32_t nicAvoidedInterrupts; /* 83 */
536: /*
1.12 wiz 537: * BD Coalescing Thresholds
1.1 drochner 538: */
539: volatile u_int32_t nicEventThresholdHit; /* 84 */
540: volatile u_int32_t nicSendThresholdHit; /* 85 */
541: volatile u_int32_t nicRecvThresholdHit; /* 86 */
542: /*
543: * DMA Attentions
544: */
545: volatile u_int32_t nicDmaRdOverrun; /* 87 */
546: volatile u_int32_t nicDmaRdUnderrun; /* 88 */
547: volatile u_int32_t nicDmaWrOverrun; /* 89 */
548: volatile u_int32_t nicDmaWrUnderrun; /* 90 */
549: volatile u_int32_t nicDmaWrMasterAborts; /* 91 */
550: volatile u_int32_t nicDmaRdMasterAborts; /* 92 */
551: /*
552: * NIC Resources
553: */
554: volatile u_int32_t nicDmaWriteRingFull; /* 93 */
555: volatile u_int32_t nicDmaReadRingFull; /* 94 */
556: volatile u_int32_t nicEventRingFull; /* 95 */
557: volatile u_int32_t nicEventProducerRingFull; /* 96 */
558: volatile u_int32_t nicTxMacDescrRingFull; /* 97 */
559: volatile u_int32_t nicOutOfTxBufSpaceFrameRetry; /* 98 */
560: volatile u_int32_t nicNoMoreWrDMADescriptors; /* 99 */
561: volatile u_int32_t nicNoMoreRxBDs; /* 100 */
562: volatile u_int32_t nicNoSpaceInReturnRing; /* 101 */
563: volatile u_int32_t nicSendBDs; /* current count 102 */
564: volatile u_int32_t nicRecvBDs; /* current count 103 */
565: volatile u_int32_t nicJumboRecvBDs; /* current count 104 */
566: volatile u_int32_t nicMiniRecvBDs; /* current count 105 */
567: volatile u_int32_t nicTotalRecvBDs; /* current count 106 */
568: volatile u_int32_t nicTotalSendBDs; /* current count 107 */
569: volatile u_int32_t nicJumboSpillOver; /* 108 */
570: volatile u_int32_t nicSbusHangCleared; /* 109 */
571: volatile u_int32_t nicEnqEventDelayed; /* 110 */
572: /*
573: * Stats from MAC rx completion
574: */
575: volatile u_int32_t nicMacRxLateColls; /* 111 */
576: volatile u_int32_t nicMacRxLinkLostDuringPkt; /* 112 */
577: volatile u_int32_t nicMacRxPhyDecodeErr; /* 113 */
578: volatile u_int32_t nicMacRxMacAbort; /* 114 */
579: volatile u_int32_t nicMacRxTruncNoResources; /* 115 */
580: /*
581: * Stats from the mac_stats area
582: */
583: volatile u_int32_t nicMacRxDropUla; /* 116 */
584: volatile u_int32_t nicMacRxDropMcast; /* 117 */
585: volatile u_int32_t nicMacRxFlowControl; /* 118 */
586: volatile u_int32_t nicMacRxDropSpace; /* 119 */
587: volatile u_int32_t nicMacRxColls; /* 120 */
588: /*
589: * MAC RX Attentions
590: */
591: volatile u_int32_t nicMacRxTotalAttns; /* 121 */
592: volatile u_int32_t nicMacRxLinkAttns; /* 122 */
593: volatile u_int32_t nicMacRxSyncAttns; /* 123 */
594: volatile u_int32_t nicMacRxConfigAttns; /* 124 */
595: volatile u_int32_t nicMacReset; /* 125 */
596: volatile u_int32_t nicMacRxBufDescrAttns; /* 126 */
597: volatile u_int32_t nicMacRxBufAttns; /* 127 */
598: volatile u_int32_t nicMacRxZeroFrameCleanup; /* 128 */
599: volatile u_int32_t nicMacRxOneFrameCleanup; /* 129 */
600: volatile u_int32_t nicMacRxMultipleFrameCleanup; /* 130 */
601: volatile u_int32_t nicMacRxTimerCleanup; /* 131 */
602: volatile u_int32_t nicMacRxDmaCleanup; /* 132 */
603: /*
604: * Stats from the mac_stats area
605: */
606: volatile u_int32_t nicMacTxCollisionHistogram[15]; /* 133 */
607: /*
608: * MAC TX Attentions
609: */
610: volatile u_int32_t nicMacTxTotalAttns; /* 134 */
611: /*
612: * NIC Profile
613: */
614: volatile u_int32_t nicProfile[32]; /* 135 */
615: /*
616: * Pat to 1024 bytes.
617: */
618: u_int32_t pad[75];
619: };
620: /*
621: * Tigon general information block. This resides in host memory
622: * and contains the status counters, ring control blocks and
623: * producer pointers.
624: */
625:
626: struct ti_gib {
627: struct ti_stats ti_stats;
628: struct ti_rcb ti_ev_rcb;
629: struct ti_rcb ti_cmd_rcb;
630: struct ti_rcb ti_tx_rcb;
631: struct ti_rcb ti_std_rx_rcb;
632: struct ti_rcb ti_jumbo_rx_rcb;
633: struct ti_rcb ti_mini_rx_rcb;
634: struct ti_rcb ti_return_rcb;
635: ti_hostaddr ti_ev_prodidx_ptr;
636: ti_hostaddr ti_return_prodidx_ptr;
637: ti_hostaddr ti_tx_considx_ptr;
638: ti_hostaddr ti_refresh_stats_ptr;
639: };
640:
641: /*
642: * Buffer descriptor structures. There are basically three types
643: * of structures: normal receive descriptors, extended receive
644: * descriptors and transmit descriptors. The extended receive
645: * descriptors are optionally used only for the jumbo receive ring.
646: */
647:
648: struct ti_rx_desc {
649: ti_hostaddr ti_addr;
650: #if BYTE_ORDER == BIG_ENDIAN
651: u_int16_t ti_idx;
652: u_int16_t ti_len;
653: #else
654: u_int16_t ti_len;
655: u_int16_t ti_idx;
656: #endif
657: #if BYTE_ORDER == BIG_ENDIAN
658: u_int16_t ti_type;
659: u_int16_t ti_flags;
660: #else
661: u_int16_t ti_flags;
662: u_int16_t ti_type;
663: #endif
664: #if BYTE_ORDER == BIG_ENDIAN
665: u_int16_t ti_ip_cksum;
666: u_int16_t ti_tcp_udp_cksum;
667: #else
668: u_int16_t ti_tcp_udp_cksum;
669: u_int16_t ti_ip_cksum;
670: #endif
671: #if BYTE_ORDER == BIG_ENDIAN
672: u_int16_t ti_error_flags;
673: u_int16_t ti_vlan_tag;
674: #else
675: u_int16_t ti_vlan_tag;
676: u_int16_t ti_error_flags;
677: #endif
678: u_int32_t ti_rsvd;
679: u_int32_t ti_opaque;
680: };
681:
682: struct ti_rx_desc_ext {
683: ti_hostaddr ti_addr1;
684: ti_hostaddr ti_addr2;
685: ti_hostaddr ti_addr3;
686: #if BYTE_ORDER == BIG_ENDIAN
687: u_int16_t ti_len1;
688: u_int16_t ti_len2;
689: #else
690: u_int16_t ti_len2;
691: u_int16_t ti_len1;
692: #endif
693: #if BYTE_ORDER == BIG_ENDIAN
694: u_int16_t ti_len3;
695: u_int16_t ti_rsvd0;
696: #else
697: u_int16_t ti_rsvd0;
698: u_int16_t ti_len3;
699: #endif
700: ti_hostaddr ti_addr0;
701: #if BYTE_ORDER == BIG_ENDIAN
702: u_int16_t ti_idx;
703: u_int16_t ti_len0;
704: #else
705: u_int16_t ti_len0;
706: u_int16_t ti_idx;
707: #endif
708: #if BYTE_ORDER == BIG_ENDIAN
709: u_int16_t ti_type;
710: u_int16_t ti_flags;
711: #else
712: u_int16_t ti_flags;
713: u_int16_t ti_type;
714: #endif
715: #if BYTE_ORDER == BIG_ENDIAN
716: u_int16_t ti_ip_cksum;
717: u_int16_t ti_tcp_udp_cksum;
718: #else
719: u_int16_t ti_tcp_udp_cksum;
720: u_int16_t ti_ip_cksum;
721: #endif
722: #if BYTE_ORDER == BIG_ENDIAN
723: u_int16_t ti_error_flags;
724: u_int16_t ti_vlan_tag;
725: #else
726: u_int16_t ti_vlan_tag;
727: u_int16_t ti_error_flags;
728: #endif
729: u_int32_t ti_rsvd1;
730: u_int32_t ti_opaque;
731: };
732:
733: /*
734: * Transmit descriptors are, mercifully, very small.
735: */
736: struct ti_tx_desc {
737: ti_hostaddr ti_addr;
738: #if BYTE_ORDER == BIG_ENDIAN
739: u_int16_t ti_len;
740: u_int16_t ti_flags;
741: #else
742: u_int16_t ti_flags;
743: u_int16_t ti_len;
744: #endif
745: #if BYTE_ORDER == BIG_ENDIAN
746: u_int16_t ti_rsvd;
747: u_int16_t ti_vlan_tag;
748: #else
749: u_int16_t ti_vlan_tag;
750: u_int16_t ti_rsvd;
751: #endif
752: };
753:
754: /*
755: * NOTE! On the Alpha, we have an alignment constraint.
756: * The first thing in the packet is a 14-byte Ethernet header.
757: * This means that the packet is misaligned. To compensate,
758: * we actually offset the data 2 bytes into the cluster. This
759: * alignes the packet after the Ethernet header at a 32-bit
760: * boundary.
761: */
762:
763: #define TI_PAGE_SIZE PAGE_SIZE
764:
765: /*
766: * Buffer descriptor error flags.
767: */
768: #define TI_BDERR_CRC 0x0001
769: #define TI_BDERR_COLLDETECT 0x0002
770: #define TI_BDERR_LINKLOST 0x0004
771: #define TI_BDERR_DECODE 0x0008
772: #define TI_BDERR_ODD_NIBBLES 0x0010
773: #define TI_BDERR_MAC_ABRT 0x0020
774: #define TI_BDERR_RUNT 0x0040
775: #define TI_BDERR_TRUNC 0x0080
776: #define TI_BDERR_GIANT 0x0100
777:
778: /*
779: * Buffer descriptor flags.
780: */
781: #define TI_BDFLAG_TCP_UDP_CKSUM 0x0001
782: #define TI_BDFLAG_IP_CKSUM 0x0002
783: #define TI_BDFLAG_END 0x0004
784: #define TI_BDFLAG_MORE 0x0008
785: #define TI_BDFLAG_JUMBO_RING 0x0010
786: #define TI_BDFLAG_UCAST_PKT 0x0020
787: #define TI_BDFLAG_MCAST_PKT 0x0040
788: #define TI_BDFLAG_BCAST_PKT 0x0060
789: #define TI_BDFLAG_IP_FRAG 0x0080
790: #define TI_BDFLAG_IP_FRAG_END 0x0100
791: #define TI_BDFLAG_VLAN_TAG 0x0200
792: #define TI_BDFLAG_ERROR 0x0400
793: #define TI_BDFLAG_COAL_NOW 0x0800
794: #define TI_BDFLAG_MINI_RING 0x1000
795:
796: /*
797: * Descriptor type flags. I think these only have meaning for
798: * the Tigon 1. I had to extract them from the sample driver source
799: * since they aren't in the manual.
800: */
801: #define TI_BDTYPE_TYPE_NULL 0x0000
802: #define TI_BDTYPE_SEND_BD 0x0001
803: #define TI_BDTYPE_RECV_BD 0x0002
804: #define TI_BDTYPE_RECV_JUMBO_BD 0x0003
805: #define TI_BDTYPE_RECV_BD_LAST 0x0004
806: #define TI_BDTYPE_SEND_DATA 0x0005
807: #define TI_BDTYPE_SEND_DATA_LAST 0x0006
808: #define TI_BDTYPE_RECV_DATA 0x0007
809: #define TI_BDTYPE_RECV_DATA_LAST 0x000b
810: #define TI_BDTYPE_EVENT_RUPT 0x000c
811: #define TI_BDTYPE_EVENT_NO_RUPT 0x000d
812: #define TI_BDTYPE_ODD_START 0x000e
813: #define TI_BDTYPE_UPDATE_STATS 0x000f
814: #define TI_BDTYPE_SEND_DUMMY_DMA 0x0010
815: #define TI_BDTYPE_EVENT_PROD 0x0011
816: #define TI_BDTYPE_TX_CONS 0x0012
817: #define TI_BDTYPE_RX_PROD 0x0013
818: #define TI_BDTYPE_REFRESH_STATS 0x0014
819: #define TI_BDTYPE_SEND_DATA_LAST_VLAN 0x0015
820: #define TI_BDTYPE_SEND_DATA_COAL 0x0016
821: #define TI_BDTYPE_SEND_DATA_LAST_COAL 0x0017
822: #define TI_BDTYPE_SEND_DATA_LAST_VLAN_COAL 0x0018
823: #define TI_BDTYPE_TX_CONS_NO_INTR 0x0019
824:
825: /*
826: * Tigon command structure.
827: */
828: struct ti_cmd_desc {
1.19 tnn 829: u_int32_t ti_cmdx;
1.1 drochner 830: };
831:
1.19 tnn 832: #define TI_CMD_CMD(cmd) (((((cmd)->ti_cmdx)) >> 24) & 0xff)
833: #define TI_CMD_CODE(cmd) (((((cmd)->ti_cmdx)) >> 12) & 0xfff)
834: #define TI_CMD_IDX(cmd) ((((cmd)->ti_cmdx)) & 0xfff)
835:
1.1 drochner 836: #define TI_CMD_HOST_STATE 0x01
837: #define TI_CMD_CODE_STACK_UP 0x01
838: #define TI_CMD_CODE_STACK_DOWN 0x02
839:
840: /*
841: * This command enables software address filtering. It's a workaround
842: * for a bug in the Tigon 1 and not implemented for the Tigon 2.
843: */
844: #define TI_CMD_FDR_FILTERING 0x02
845: #define TI_CMD_CODE_FILT_ENB 0x01
846: #define TI_CMD_CODE_FILT_DIS 0x02
847:
848: #define TI_CMD_SET_RX_PROD_IDX 0x03 /* obsolete */
849: #define TI_CMD_UPDATE_GENCOM 0x04
850: #define TI_CMD_RESET_JUMBO_RING 0x05
851: #define TI_CMD_SET_PARTIAL_RX_CNT 0x06
852: #define TI_CMD_ADD_MCAST_ADDR 0x08 /* obsolete */
853: #define TI_CMD_DEL_MCAST_ADDR 0x09 /* obsolete */
854:
855: #define TI_CMD_SET_PROMISC_MODE 0x0A
856: #define TI_CMD_CODE_PROMISC_ENB 0x01
857: #define TI_CMD_CODE_PROMISC_DIS 0x02
858:
859: #define TI_CMD_LINK_NEGOTIATION 0x0B
860: #define TI_CMD_CODE_NEGOTIATE_BOTH 0x00
861: #define TI_CMD_CODE_NEGOTIATE_GIGABIT 0x01
862: #define TI_CMD_CODE_NEGOTIATE_10_100 0x02
863:
864: #define TI_CMD_SET_MAC_ADDR 0x0C
865: #define TI_CMD_CLR_PROFILE 0x0D
866:
867: #define TI_CMD_SET_ALLMULTI 0x0E
868: #define TI_CMD_CODE_ALLMULTI_ENB 0x01
869: #define TI_CMD_CODE_ALLMULTI_DIS 0x02
870:
871: #define TI_CMD_CLR_STATS 0x0F
872: #define TI_CMD_SET_RX_JUMBO_PROD_IDX 0x10 /* obsolete */
873: #define TI_CMD_RFRSH_STATS 0x11
874:
875: #define TI_CMD_EXT_ADD_MCAST 0x12
876: #define TI_CMD_EXT_DEL_MCAST 0x13
877:
878: /*
879: * Utility macros to make issuing commands a little simpler. Assumes
880: * that 'sc' and 'cmd' are in local scope.
881: */
1.19 tnn 882: #define TI_DO_CMD(x, y, z) do { \
883: cmd.ti_cmdx = (((x) << 24) | ((y) << 12) | ((z))); \
884: ti_cmd(sc, &cmd); \
885: } while(0)
886:
887: #define TI_DO_CMD_EXT(x, y, z, v, w) do { \
888: cmd.ti_cmdx = (((x) << 24) | ((y) << 12) | ((z))); \
889: ti_cmd_ext(sc, &cmd, (v), (w)); \
890: } while(0)
1.1 drochner 891:
892: /*
893: * Other utility macros.
894: */
1.19 tnn 895: #define TI_INC(x, y) do { (x) = ((x) + 1) % (y); } while(0)
1.1 drochner 896:
1.19 tnn 897: #define TI_UPDATE_JUMBOPROD(x, y) do { \
898: if ((x)->ti_hwrev == TI_HWREV_TIGON) \
1.1 drochner 899: TI_DO_CMD(TI_CMD_SET_RX_JUMBO_PROD_IDX, 0, y); \
1.19 tnn 900: else \
1.1 drochner 901: CSR_WRITE_4(x, TI_MB_JUMBORXPROD_IDX, y); \
1.19 tnn 902: } while(0)
1.1 drochner 903:
904: #define TI_UPDATE_MINIPROD(x, y) \
1.19 tnn 905: CSR_WRITE_4(x, TI_MB_MINIRXPROD_IDX, y)
1.1 drochner 906:
1.19 tnn 907: #define TI_UPDATE_STDPROD(x, y) do { \
908: if ((x)->ti_hwrev == TI_HWREV_TIGON) \
1.1 drochner 909: TI_DO_CMD(TI_CMD_SET_RX_PROD_IDX, 0, y); \
1.19 tnn 910: else \
1.1 drochner 911: CSR_WRITE_4(x, TI_MB_STDRXPROD_IDX, y); \
1.19 tnn 912: } while(0)
1.1 drochner 913:
914:
915: /*
916: * Tigon event structure.
917: */
918: struct ti_event_desc {
1.19 tnn 919: u_int32_t ti_eventx;
1.1 drochner 920: u_int32_t ti_rsvd;
921: };
922:
1.19 tnn 923: #define TI_EVENT_EVENT(e) (((((e)->ti_eventx)) >> 24) & 0xff)
924: #define TI_EVENT_CODE(e) (((((e)->ti_eventx)) >> 12) & 0xfff)
925: #define TI_EVENT_IDX(e) (((((e)->ti_eventx))) & 0xfff)
926:
1.1 drochner 927: /*
928: * Tigon events.
929: */
930: #define TI_EV_FIRMWARE_UP 0x01
931: #define TI_EV_STATS_UPDATED 0x04
932:
933: #define TI_EV_LINKSTAT_CHANGED 0x06
934: #define TI_EV_CODE_GIG_LINK_UP 0x01
935: #define TI_EV_CODE_LINK_DOWN 0x02
936: #define TI_EV_CODE_LINK_UP 0x03
937:
938: #define TI_EV_ERROR 0x07
939: #define TI_EV_CODE_ERR_INVAL_CMD 0x01
940: #define TI_EV_CODE_ERR_UNIMP_CMD 0x02
941: #define TI_EV_CODE_ERR_BADCFG 0x03
942:
943: #define TI_EV_MCAST_UPDATED 0x08
944: #define TI_EV_CODE_MCAST_ADD 0x01
945: #define TI_EV_CODE_MCAST_DEL 0x02
946:
947: #define TI_EV_RESET_JUMBO_RING 0x09
948: /*
949: * Register access macros. The Tigon always uses memory mapped register
950: * accesses and all registers must be accessed with 32 bit operations.
1.13 bouyer 951: * The Tigon can operate in big-endian mode, so we always write to the
952: * registers in native byte order. We assume that all big-endian hosts
953: * with a PCI bus have __BUS_SPACE_HAS_STREAM_METHODS defined.
1.1 drochner 954: */
955:
1.13 bouyer 956: #ifdef __BUS_SPACE_HAS_STREAM_METHODS
957: #define CSR_WRITE_4(sc, reg, val) \
1.19 tnn 958: bus_space_write_stream_4((sc)->ti_btag, (sc)->ti_bhandle, reg, val)
1.13 bouyer 959:
960: #define CSR_READ_4(sc, reg) \
1.19 tnn 961: bus_space_read_stream_4((sc)->ti_btag, (sc)->ti_bhandle, reg)
1.13 bouyer 962: #else
1.1 drochner 963: #define CSR_WRITE_4(sc, reg, val) \
1.19 tnn 964: bus_space_write_4((sc)->ti_btag, (sc)->ti_bhandle, reg, val)
1.1 drochner 965:
966: #define CSR_READ_4(sc, reg) \
1.19 tnn 967: bus_space_read_4((sc)->ti_btag, (sc)->ti_bhandle, reg)
1.13 bouyer 968: #endif
1.1 drochner 969:
970: #define TI_SETBIT(sc, reg, x) \
1.19 tnn 971: CSR_WRITE_4(sc, reg, (CSR_READ_4(sc, reg) | (x)))
1.1 drochner 972: #define TI_CLRBIT(sc, reg, x) \
1.19 tnn 973: CSR_WRITE_4(sc, reg, (CSR_READ_4(sc, reg) & ~(x)))
1.1 drochner 974:
975: /*
976: * Memory management stuff. Note: the SSLOTS, MSLOTS and JSLOTS
977: * values are tuneable. They control the actual amount of buffers
978: * allocated for the standard, mini and jumbo receive rings.
979: */
980:
1.14 he 981: #ifndef TI_SSLOTS
982: #define TI_SSLOTS 256
983: #endif
984: #ifndef TI_MSLOTS
985: #define TI_MSLOTS 256
986: #endif
987: #ifndef TI_JSLOTS
988: #define TI_JSLOTS 384
989: #endif
1.1 drochner 990: #define TI_RSLOTS 128
991:
1.5 thorpej 992: #define TI_JRAWLEN (ETHER_MAX_LEN_JUMBO + ETHER_ALIGN + sizeof(u_int64_t))
1.1 drochner 993: #define TI_JLEN (TI_JRAWLEN + (sizeof(u_int64_t) - \
994: (TI_JRAWLEN % sizeof(u_int64_t))))
1.2 thorpej 995: #define TI_JPAGESZ PAGE_SIZE
1.1 drochner 996: #define TI_RESID (TI_JPAGESZ - (TI_JLEN * TI_JSLOTS) % TI_JPAGESZ)
997: #define TI_JMEM ((TI_JLEN * TI_JSLOTS) + TI_RESID)
998:
999: /*
1000: * Ring structures. Most of these reside in host memory and we tell
1001: * the NIC where they are via the ring control blocks. The exceptions
1002: * are the tx and command rings, which live in NIC memory and which
1003: * we access via the shared memory window.
1004: */
1005: struct ti_ring_data {
1006: struct ti_rx_desc ti_rx_std_ring[TI_STD_RX_RING_CNT];
1007: struct ti_rx_desc ti_rx_jumbo_ring[TI_JUMBO_RX_RING_CNT];
1008: struct ti_rx_desc ti_rx_mini_ring[TI_MINI_RX_RING_CNT];
1009: struct ti_rx_desc ti_rx_return_ring[TI_RETURN_RING_CNT];
1010: struct ti_event_desc ti_event_ring[TI_EVENT_RING_CNT];
1011: struct ti_tx_desc ti_tx_ring[TI_TX_RING_CNT];
1012: /*
1013: * Make sure producer structures are aligned on 32-byte cache
1014: * line boundaries.
1015: */
1016: struct ti_producer ti_ev_prodidx_r;
1017: u_int32_t ti_pad0[6];
1018: struct ti_producer ti_return_prodidx_r;
1019: u_int32_t ti_pad1[6];
1020: struct ti_producer ti_tx_considx_r;
1021: u_int32_t ti_pad2[6];
1022: struct ti_gib ti_info;
1023: };
1024:
1.9 thorpej 1025: #define TI_CDOFF(x) offsetof(struct ti_ring_data, x)
1026: #define TI_CDRXSTDOFF(x) TI_CDOFF(ti_rx_std_ring[(x)])
1027: #define TI_CDRXJUMBOOFF(x) TI_CDOFF(ti_rx_jumbo_ring[(x)])
1028: #define TI_CDRXMINIOFF(x) TI_CDOFF(ti_rx_mini_ring[(x)])
1029: #define TI_CDRXRTNOFF(x) TI_CDOFF(ti_rx_return_ring[(x)])
1030: #define TI_CDEVENTOFF(x) TI_CDOFF(ti_event_ring[(x)])
1031: #define TI_CDTXOFF(x) TI_CDOFF(ti_tx_ring[(x)])
1032: #define TI_CDEVPRODOFF TI_CDOFF(ti_ev_prodidx_r)
1033: #define TI_CDRTNPRODOFF TI_CDOFF(ti_return_prodidx_r)
1034: #define TI_CDTXCONSOFF TI_CDOFF(ti_tx_considx_r)
1035: #define TI_CDGIBOFF TI_CDOFF(ti_info)
1036: #define TI_CDSTATSOFF TI_CDOFF(ti_info.ti_stats)
1037:
1.1 drochner 1038: /*
1039: * Mbuf pointers. We need these to keep track of the virtual addresses
1040: * of our mbuf chains since we can only convert from physical to virtual,
1041: * not the other way around.
1042: */
1043: struct ti_chain_data {
1044: struct mbuf *ti_tx_chain[TI_TX_RING_CNT];
1045: struct mbuf *ti_rx_std_chain[TI_STD_RX_RING_CNT];
1046: struct mbuf *ti_rx_jumbo_chain[TI_JUMBO_RX_RING_CNT];
1047: struct mbuf *ti_rx_mini_chain[TI_MINI_RX_RING_CNT];
1048: /* Stick the jumbo mem management stuff here too. */
1.18 christos 1049: void * ti_jslots[TI_JSLOTS];
1.1 drochner 1050: void *ti_jumbo_buf;
1051: };
1052:
1053: struct ti_type {
1054: u_int16_t ti_vid;
1055: u_int16_t ti_did;
1.16 christos 1056: const char *ti_name;
1.1 drochner 1057: };
1058:
1059: #define TI_HWREV_TIGON 0x01
1060: #define TI_HWREV_TIGON_II 0x02
1061: #define TI_TIMEOUT 1000
1062: #define TI_TXCONS_UNSET 0xFFFF /* impossible value */
1063:
1064: struct ti_mc_entry {
1065: struct ether_addr mc_addr;
1066: SIMPLEQ_ENTRY(ti_mc_entry) mc_entries;
1067: };
1068:
1069: struct ti_jpool_entry {
1070: int slot;
1071: SIMPLEQ_ENTRY(ti_jpool_entry) jpool_entries;
1072: };
1073:
1074: struct txdmamap_pool_entry {
1075: bus_dmamap_t dmamap;
1076: SIMPLEQ_ENTRY(txdmamap_pool_entry) link;
1077: };
1078:
1079: struct ti_softc {
1.20 chs 1080: device_t sc_dev;
1.1 drochner 1081: struct ethercom ethercom; /* interface info */
1082: bus_space_handle_t ti_bhandle;
1083: char *ti_vhandle;
1084: bus_space_tag_t ti_btag;
1085: void *ti_intrhand;
1.7 thorpej 1086:
1.1 drochner 1087: struct ifmedia ifmedia; /* media info */
1.7 thorpej 1088:
1.1 drochner 1089: u_int8_t ti_hwrev; /* Tigon rev (1 or 2) */
1.11 bjh21 1090: u_int8_t ti_copper; /* 1000baseT card */
1.1 drochner 1091: u_int8_t ti_linkstat; /* Link state */
1092: struct ti_ring_data *ti_rdata; /* rings */
1093: #define ti_ev_prodidx ti_rdata->ti_ev_prodidx_r
1094: #define ti_return_prodidx ti_rdata->ti_return_prodidx_r
1095: #define ti_tx_considx ti_rdata->ti_tx_considx_r
1.7 thorpej 1096:
1097: struct ti_tx_desc *ti_tx_ring_nic;/* pointer to shared mem */
1098:
1099: struct ti_chain_data ti_cdata; /* mbufs */
1100:
1.23 thorpej 1101: uint64_t ti_if_collisions;
1102:
1.7 thorpej 1103: /*
1104: * Function pointers to deal with Tigon 1 vs. Tigon 2 differences.
1105: */
1106: int (*sc_tx_encap)(struct ti_softc *,
1107: struct mbuf *, uint32_t *);
1.8 thorpej 1108: void (*sc_tx_eof)(struct ti_softc *);
1.7 thorpej 1109:
1.1 drochner 1110: u_int16_t ti_tx_saved_considx;
1111: u_int16_t ti_rx_saved_considx;
1112: u_int16_t ti_ev_saved_considx;
1113: u_int16_t ti_cmd_saved_prodidx;
1114: u_int16_t ti_std; /* current std ring head */
1115: u_int16_t ti_mini; /* current mini ring head */
1116: u_int16_t ti_jumbo; /* current jumo ring head */
1117: SIMPLEQ_HEAD(, ti_mc_entry) ti_mc_listhead;
1118: SIMPLEQ_HEAD(, ti_jpool_entry) ti_jfree_listhead;
1119: SIMPLEQ_HEAD(, ti_jpool_entry) ti_jinuse_listhead;
1120: u_int32_t ti_stat_ticks;
1121: u_int32_t ti_rx_coal_ticks;
1122: u_int32_t ti_tx_coal_ticks;
1123: u_int32_t ti_rx_max_coal_bds;
1124: u_int32_t ti_tx_max_coal_bds;
1125: u_int32_t ti_tx_buf_ratio;
1.22 msaitoh 1126: u_short ti_if_flags;
1.1 drochner 1127: int ti_txcnt;
1128: void *sc_ih;
1129: bus_dma_tag_t sc_dmat;
1130: bus_dmamap_t info_dmamap; /* holds ti_rdata */
1131: u_int32_t info_dmaaddr; /* XXX 64-bit PCI addresses? */
1132: bus_dmamap_t jumbo_dmamap;
1133: u_int32_t jumbo_dmaaddr; /* XXX 64-bit PCI addresses? */
1134: bus_dmamap_t mini_dmamap[TI_MINI_RX_RING_CNT];
1135: bus_dmamap_t std_dmamap[TI_STD_RX_RING_CNT];
1136: SIMPLEQ_HEAD(, txdmamap_pool_entry) txdma_list;
1137: struct txdmamap_pool_entry *txdma[TI_TX_RING_CNT];
1138: };
1.9 thorpej 1139:
1140: #define TI_CDRXSTDADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXSTDOFF((x)))
1141: #define TI_CDRXJUMBOADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXJUMBOOFF((x)))
1142: #define TI_CDRXMINIADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXMINIOFF((x)))
1143: #define TI_CDRXRTNADDR(sc, x) ((sc)->info_dmaaddr + TI_CDRXRTNOFF((x)))
1144: #define TI_CDEVENTADDR(sc, x) ((sc)->info_dmaaddr + TI_CDEVENTOFF((x)))
1145: #define TI_CDTXADDR(sc, x) ((sc)->info_dmaaddr + TI_CDTXOFF((x)))
1146: #define TI_CDEVPRODADDR(sc) ((sc)->info_dmaaddr + TI_CDEVPRODOFF)
1147: #define TI_CDRTNPRODADDR(sc) ((sc)->info_dmaaddr + TI_CDRTNPRODOFF)
1148: #define TI_CDTXCONSADDR(sc) ((sc)->info_dmaaddr + TI_CDTXCONSOFF)
1149: #define TI_CDGIBADDR(sc) ((sc)->info_dmaaddr + TI_CDGIBOFF)
1150: #define TI_CDSTATSADDR(sc) ((sc)->info_dmaaddr + TI_CDSTATSOFF)
1.10 thorpej 1151:
1152: #define TI_CDRXSTDSYNC(sc, x, ops) \
1153: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1154: TI_CDRXSTDOFF((x)), sizeof(struct ti_rx_desc), (ops))
1155:
1156: #define TI_CDRXJUMBOSYNC(sc, x, ops) \
1157: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1158: TI_CDRXJUMBOOFF((x)), sizeof(struct ti_rx_desc), (ops))
1159:
1160: #define TI_CDRXMINISYNC(sc, x, ops) \
1161: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1162: TI_CDRXMINIOFF((x)), sizeof(struct ti_rx_desc), (ops))
1163:
1164: #define TI_CDRXRTNSYNC(sc, x, ops) \
1165: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1166: TI_CDRXRTNOFF((x)), sizeof(struct ti_rx_desc), (ops))
1167:
1168: #define TI_CDEVENTSYNC(sc, x, ops) \
1169: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1170: TI_CDEVENTOFF((x)), sizeof(struct ti_event_desc), (ops))
1171:
1172: #define TI_CDTXSYNC(sc, x, n, ops) \
1173: do { \
1174: int __x, __n; \
1175: \
1176: __x = (x); \
1177: __n = (n); \
1178: \
1179: /* If it will wrap around, sync to the end of the ring. */ \
1180: if ((__x + __n) > TI_TX_RING_CNT) { \
1181: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1182: TI_CDTXOFF(__x), sizeof(struct ti_tx_desc) * \
1183: (TI_TX_RING_CNT - __x), (ops)); \
1184: __n -= (TI_TX_RING_CNT - __x); \
1185: __x = 0; \
1186: } \
1187: \
1188: /* Now sync whatever is left. */ \
1189: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1190: TI_CDTXOFF(__x), sizeof(struct ti_tx_desc) * (__n), (ops)); \
1191: } while (/*CONSTCOND*/0)
1192:
1193: #define TI_CEVPRODSYNC(sc, ops) \
1194: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1195: TI_CDEVPRODOFF, sizeof(struct ti_producer), (ops))
1196:
1197: #define TI_CDRTNPRODSYNC(sc, ops) \
1198: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1199: TI_CDRTNPRODOFF, sizeof(struct ti_producer), (ops))
1200:
1201: #define TI_CDTXCONSSYNC(sc, ops) \
1202: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1203: TI_CDTXCONSOFF, sizeof(struct ti_producer), (ops))
1204:
1205: #define TI_CDGIBSYNC(sc, ops) \
1206: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1207: TI_CDGIBOFF, sizeof(struct ti_gib), (ops))
1208:
1209: #define TI_CDSTATSSYNC(sc, ops) \
1210: bus_dmamap_sync((sc)->sc_dmat, (sc)->info_dmamap, \
1211: TI_CDSTATSOFF, sizeof(struct ti_stats), (ops))
1.1 drochner 1212:
1213: /*
1214: * Microchip Technology 24Cxx EEPROM control bytes
1215: */
1216: #define EEPROM_CTL_READ 0xA1 /* 0101 0001 */
1217: #define EEPROM_CTL_WRITE 0xA0 /* 0101 0000 */
1218:
1219: /*
1220: * Note that EEPROM_START leaves transmission enabled.
1221: */
1.19 tnn 1222: #define EEPROM_START() do { \
1.1 drochner 1223: TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock pin high */\
1224: TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Set DATA bit to 1 */ \
1225: TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit to write bit */\
1226: TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA bit to 0 again */\
1.19 tnn 1227: TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */ \
1228: } while(0)
1.1 drochner 1229:
1230: /*
1231: * EEPROM_STOP ends access to the EEPROM and clears the ETXEN bit so
1232: * that no further data can be written to the EEPROM I/O pin.
1233: */
1.19 tnn 1234: #define EEPROM_STOP() do { \
1.1 drochner 1235: TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit */ \
1236: TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Pull DATA to 0 */ \
1237: TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock high */ \
1238: TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Enable xmit */ \
1239: TI_SETBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_DOUT); /* Toggle DATA to 1 */ \
1240: TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_TXEN); /* Disable xmit. */ \
1.19 tnn 1241: TI_CLRBIT(sc, TI_MISC_LOCAL_CTL, TI_MLC_EE_CLK); /* Pull clock low again */ \
1242: } while(0)
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