xref: /illumos-gate/usr/src/uts/common/io/e1000g/e1000g_sw.h (revision 80f1b0f5d7bc2c2f91ce68ea6379c779a03c595e)
1 /*
2  * This file is provided under a CDDLv1 license.  When using or
3  * redistributing this file, you may do so under this license.
4  * In redistributing this file this license must be included
5  * and no other modification of this header file is permitted.
6  *
7  * CDDL LICENSE SUMMARY
8  *
9  * Copyright(c) 1999 - 2009 Intel Corporation. All rights reserved.
10  *
11  * The contents of this file are subject to the terms of Version
12  * 1.0 of the Common Development and Distribution License (the "License").
13  *
14  * You should have received a copy of the License with this software.
15  * You can obtain a copy of the License at
16  *	http://www.opensolaris.org/os/licensing.
17  * See the License for the specific language governing permissions
18  * and limitations under the License.
19  */
20 
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _E1000G_SW_H
27 #define	_E1000G_SW_H
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 /*
34  * **********************************************************************
35  * Module Name:								*
36  *   e1000g_sw.h							*
37  *									*
38  * Abstract:								*
39  *   This header file contains Software-related data structures		*
40  *   definitions.							*
41  *									*
42  * **********************************************************************
43  */
44 
45 #include <sys/types.h>
46 #include <sys/conf.h>
47 #include <sys/debug.h>
48 #include <sys/stropts.h>
49 #include <sys/stream.h>
50 #include <sys/strsun.h>
51 #include <sys/strlog.h>
52 #include <sys/kmem.h>
53 #include <sys/stat.h>
54 #include <sys/kstat.h>
55 #include <sys/modctl.h>
56 #include <sys/errno.h>
57 #include <sys/mac_provider.h>
58 #include <sys/mac_ether.h>
59 #include <sys/vlan.h>
60 #include <sys/ddi.h>
61 #include <sys/sunddi.h>
62 #include <sys/disp.h>
63 #include <sys/pci.h>
64 #include <sys/sdt.h>
65 #include <sys/ethernet.h>
66 #include <sys/pattr.h>
67 #include <sys/strsubr.h>
68 #include <sys/netlb.h>
69 #include <inet/common.h>
70 #include <inet/ip.h>
71 #include <inet/tcp.h>
72 #include <inet/mi.h>
73 #include <inet/nd.h>
74 #include <sys/ddifm.h>
75 #include <sys/fm/protocol.h>
76 #include <sys/fm/util.h>
77 #include <sys/fm/io/ddi.h>
78 #include "e1000_api.h"
79 
80 /* Driver states */
81 #define	E1000G_UNKNOWN			0x00
82 #define	E1000G_INITIALIZED		0x01
83 #define	E1000G_STARTED			0x02
84 #define	E1000G_SUSPENDED		0x04
85 #define	E1000G_ERROR			0x80
86 
87 #define	JUMBO_FRAG_LENGTH		4096
88 
89 #define	LAST_RAR_ENTRY			(E1000_RAR_ENTRIES - 1)
90 #define	MAX_NUM_UNICAST_ADDRESSES	E1000_RAR_ENTRIES
91 #define	MAX_NUM_MULTICAST_ADDRESSES	256
92 
93 /*
94  * MAX_COOKIES = max_LSO_packet_size(65535 + ethernet_header_len)/page_size
95  *	+ one for cross page split
96  * MAX_TX_DESC_PER_PACKET = MAX_COOKIES + one for the context descriptor +
97  *	two for the workaround of the 82546 chip
98  */
99 #define	MAX_COOKIES			18
100 #define	MAX_TX_DESC_PER_PACKET		21
101 
102 /*
103  * constants used in setting flow control thresholds
104  */
105 #define	E1000_PBA_10K		0x000A
106 #define	E1000_PBA_MASK		0xffff
107 #define	E1000_PBA_SHIFT		10
108 #define	E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
109 #define	E1000_FC_LOW_DIFF	0x1640 /* Low: 5696 bytes below Rx FIFO size */
110 #define	E1000_FC_PAUSE_TIME	0x0680 /* 858 usec */
111 
112 #define	MAX_NUM_TX_DESCRIPTOR		4096
113 #define	MAX_NUM_RX_DESCRIPTOR		4096
114 #define	MAX_NUM_RX_FREELIST		4096
115 #define	MAX_NUM_TX_FREELIST		4096
116 #define	MAX_RX_LIMIT_ON_INTR		4096
117 #define	MAX_RX_INTR_DELAY		65535
118 #define	MAX_RX_INTR_ABS_DELAY		65535
119 #define	MAX_TX_INTR_DELAY		65535
120 #define	MAX_TX_INTR_ABS_DELAY		65535
121 #define	MAX_INTR_THROTTLING		65535
122 #define	MAX_RX_BCOPY_THRESHOLD		E1000_RX_BUFFER_SIZE_2K
123 #define	MAX_TX_BCOPY_THRESHOLD		E1000_TX_BUFFER_SIZE_2K
124 
125 #define	MIN_NUM_TX_DESCRIPTOR		80
126 #define	MIN_NUM_RX_DESCRIPTOR		80
127 #define	MIN_NUM_RX_FREELIST		64
128 #define	MIN_NUM_TX_FREELIST		80
129 #define	MIN_RX_LIMIT_ON_INTR		16
130 #define	MIN_RX_INTR_DELAY		0
131 #define	MIN_RX_INTR_ABS_DELAY		0
132 #define	MIN_TX_INTR_DELAY		0
133 #define	MIN_TX_INTR_ABS_DELAY		0
134 #define	MIN_INTR_THROTTLING		0
135 #define	MIN_RX_BCOPY_THRESHOLD		0
136 #define	MIN_TX_BCOPY_THRESHOLD		ETHERMIN
137 
138 #define	DEFAULT_NUM_RX_DESCRIPTOR	2048
139 #define	DEFAULT_NUM_TX_DESCRIPTOR	2048
140 #define	DEFAULT_NUM_RX_FREELIST		4096
141 #define	DEFAULT_NUM_TX_FREELIST		2304
142 #define	DEFAULT_RX_LIMIT_ON_INTR	128
143 
144 #ifdef __sparc
145 #define	MAX_INTR_PER_SEC		7100
146 #define	MIN_INTR_PER_SEC		3000
147 #define	DEFAULT_INTR_PACKET_LOW		5
148 #define	DEFAULT_INTR_PACKET_HIGH	128
149 #else
150 #define	MAX_INTR_PER_SEC		15000
151 #define	MIN_INTR_PER_SEC		4000
152 #define	DEFAULT_INTR_PACKET_LOW		10
153 #define	DEFAULT_INTR_PACKET_HIGH	48
154 #endif
155 
156 #define	DEFAULT_RX_INTR_DELAY		0
157 #define	DEFAULT_RX_INTR_ABS_DELAY	64
158 #define	DEFAULT_TX_INTR_DELAY		64
159 #define	DEFAULT_TX_INTR_ABS_DELAY	64
160 #define	DEFAULT_INTR_THROTTLING_HIGH    1000000000/(MIN_INTR_PER_SEC*256)
161 #define	DEFAULT_INTR_THROTTLING_LOW	1000000000/(MAX_INTR_PER_SEC*256)
162 #define	DEFAULT_INTR_THROTTLING		DEFAULT_INTR_THROTTLING_LOW
163 
164 #define	DEFAULT_RX_BCOPY_THRESHOLD	128
165 #define	DEFAULT_TX_BCOPY_THRESHOLD	512
166 #define	DEFAULT_TX_UPDATE_THRESHOLD	256
167 #define	DEFAULT_TX_NO_RESOURCE		MAX_TX_DESC_PER_PACKET
168 
169 #define	DEFAULT_TX_INTR_ENABLE		1
170 #define	DEFAULT_FLOW_CONTROL		3
171 #define	DEFAULT_MASTER_LATENCY_TIMER	0	/* BIOS should decide */
172 						/* which is normally 0x040 */
173 #define	DEFAULT_TBI_COMPAT_ENABLE	1	/* Enable SBP workaround */
174 #define	DEFAULT_MSI_ENABLE		1	/* MSI Enable */
175 #define	DEFAULT_TX_HCKSUM_ENABLE	1	/* Hardware checksum enable */
176 #define	DEFAULT_LSO_ENABLE		1	/* LSO enable */
177 #define	DEFAULT_MEM_WORKAROUND_82546	1	/* 82546 memory workaround */
178 
179 #define	TX_DRAIN_TIME		(200)	/* # milliseconds xmit drain */
180 
181 /*
182  * The size of the receive/transmite buffers
183  */
184 #define	E1000_RX_BUFFER_SIZE_2K		(2048)
185 #define	E1000_RX_BUFFER_SIZE_4K		(4096)
186 #define	E1000_RX_BUFFER_SIZE_8K		(8192)
187 #define	E1000_RX_BUFFER_SIZE_16K	(16384)
188 
189 #define	E1000_TX_BUFFER_SIZE_2K		(2048)
190 #define	E1000_TX_BUFFER_SIZE_4K		(4096)
191 #define	E1000_TX_BUFFER_SIZE_8K		(8192)
192 #define	E1000_TX_BUFFER_SIZE_16K	(16384)
193 
194 #define	E1000_TX_BUFFER_OEVRRUN_THRESHOLD	(2015)
195 
196 #define	E1000G_RX_SW_FREE		0x0
197 #define	E1000G_RX_SW_SENDUP		0x1
198 #define	E1000G_RX_SW_STOP		0x2
199 #define	E1000G_RX_SW_DETACH		0x3
200 
201 #define	E1000G_CHAIN_NO_LIMIT		0
202 
203 /*
204  * definitions for smartspeed workaround
205  */
206 #define	  E1000_SMARTSPEED_MAX		30	/* 30 watchdog iterations */
207 						/* or 30 seconds */
208 #define	  E1000_SMARTSPEED_DOWNSHIFT	6	/* 6 watchdog iterations */
209 						/* or 6 seconds */
210 
211 /*
212  * Definitions for module_info.
213  */
214 #define	 WSNAME			"e1000g"	/* module name */
215 
216 /*
217  * Defined for IP header alignment. We also need to preserve space for
218  * VLAN tag (4 bytes)
219  */
220 #define	E1000G_IPALIGNROOM		6
221 #define	E1000G_IPALIGNPRESERVEROOM	64
222 
223 /*
224  * bit flags for 'attach_progress' which is a member variable in struct e1000g
225  */
226 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
227 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
228 #define	ATTACH_PROGRESS_SETUP		0x0004	/* Setup driver parameters */
229 #define	ATTACH_PROGRESS_ADD_INTR	0x0008	/* Interrupt added */
230 #define	ATTACH_PROGRESS_LOCKS		0x0010	/* Locks initialized */
231 #define	ATTACH_PROGRESS_SOFT_INTR	0x0020	/* Soft interrupt added */
232 #define	ATTACH_PROGRESS_KSTATS		0x0040	/* Kstats created */
233 #define	ATTACH_PROGRESS_ALLOC		0x0080	/* DMA resources allocated */
234 #define	ATTACH_PROGRESS_INIT		0x0100	/* Driver initialization */
235 /* 0200 used to be PROGRESS_NDD. Now unused */
236 #define	ATTACH_PROGRESS_MAC		0x0400	/* MAC registered */
237 #define	ATTACH_PROGRESS_ENABLE_INTR	0x0800	/* DDI interrupts enabled */
238 #define	ATTACH_PROGRESS_FMINIT		0x1000	/* FMA initiated */
239 
240 /*
241  * Speed and Duplex Settings
242  */
243 #define	GDIAG_10_HALF		1
244 #define	GDIAG_10_FULL		2
245 #define	GDIAG_100_HALF		3
246 #define	GDIAG_100_FULL		4
247 #define	GDIAG_1000_FULL		6
248 #define	GDIAG_ANY		7
249 
250 /*
251  * Coexist Workaround RP: 07/04/03
252  * 82544 Workaround : Co-existence
253  */
254 #define	MAX_TX_BUF_SIZE		(8 * 1024)
255 
256 /*
257  * Defines for Jumbo Frame
258  */
259 #define	FRAME_SIZE_UPTO_2K	2048
260 #define	FRAME_SIZE_UPTO_4K	4096
261 #define	FRAME_SIZE_UPTO_8K	8192
262 #define	FRAME_SIZE_UPTO_16K	16384
263 #define	FRAME_SIZE_UPTO_9K	9234
264 
265 #define	MAXIMUM_MTU		9000
266 #define	DEFAULT_MTU		ETHERMTU
267 
268 #define	DEFAULT_FRAME_SIZE	\
269 	(DEFAULT_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
270 #define	MAXIMUM_FRAME_SIZE	\
271 	(MAXIMUM_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
272 
273 #define	E1000_LSO_MAXLEN	65535
274 
275 /* Defines for Tx stall check */
276 #define	E1000G_STALL_WATCHDOG_COUNT	8
277 
278 #define	MAX_TX_LINK_DOWN_TIMEOUT	8
279 
280 /* Defines for DVMA */
281 #ifdef __sparc
282 #define	E1000G_DEFAULT_DVMA_PAGE_NUM	2
283 #endif
284 
285 /*
286  * Loopback definitions
287  */
288 #define	E1000G_LB_NONE			0
289 #define	E1000G_LB_EXTERNAL_1000		1
290 #define	E1000G_LB_EXTERNAL_100		2
291 #define	E1000G_LB_EXTERNAL_10		3
292 #define	E1000G_LB_INTERNAL_PHY		4
293 
294 /*
295  * Private dip list definitions
296  */
297 #define	E1000G_PRIV_DEVI_ATTACH	0x0
298 #define	E1000G_PRIV_DEVI_DETACH	0x1
299 
300 /*
301  * Tx descriptor LENGTH field mask
302  */
303 #define	E1000G_TBD_LENGTH_MASK		0x000fffff
304 
305 /*
306  * QUEUE_INIT_LIST -- Macro which will init ialize a queue to NULL.
307  */
308 #define	QUEUE_INIT_LIST(_LH)	\
309 	(_LH)->Flink = (_LH)->Blink = (PSINGLE_LIST_LINK)0
310 
311 /*
312  * IS_QUEUE_EMPTY -- Macro which checks to see if a queue is empty.
313  */
314 #define	IS_QUEUE_EMPTY(_LH)	\
315 	((_LH)->Flink == (PSINGLE_LIST_LINK)0)
316 
317 /*
318  * QUEUE_GET_HEAD -- Macro which returns the head of the queue, but does
319  * not remove the head from the queue.
320  */
321 #define	QUEUE_GET_HEAD(_LH)	((PSINGLE_LIST_LINK)((_LH)->Flink))
322 
323 /*
324  * QUEUE_REMOVE_HEAD -- Macro which removes the head of the head of a queue.
325  */
326 #define	QUEUE_REMOVE_HEAD(_LH)	\
327 { \
328 	PSINGLE_LIST_LINK ListElem; \
329 	if (ListElem = (_LH)->Flink) \
330 	{ \
331 		if (!((_LH)->Flink = ListElem->Flink)) \
332 			(_LH)->Blink = (PSINGLE_LIST_LINK) 0; \
333 	} \
334 }
335 
336 /*
337  * QUEUE_POP_HEAD -- Macro which  will pop the head off of a queue (list),
338  *	and return it (this differs from QUEUE_REMOVE_HEAD only in
339  *	the 1st line).
340  */
341 #define	QUEUE_POP_HEAD(_LH)	\
342 	(PSINGLE_LIST_LINK)(_LH)->Flink; \
343 	{ \
344 		PSINGLE_LIST_LINK ListElem; \
345 		ListElem = (_LH)->Flink; \
346 		if (ListElem) \
347 		{ \
348 			(_LH)->Flink = ListElem->Flink; \
349 			if (!(_LH)->Flink) \
350 				(_LH)->Blink = (PSINGLE_LIST_LINK)0; \
351 		} \
352 	}
353 
354 /*
355  * QUEUE_GET_TAIL -- Macro which returns the tail of the queue, but does not
356  *	remove the tail from the queue.
357  */
358 #define	QUEUE_GET_TAIL(_LH)	((PSINGLE_LIST_LINK)((_LH)->Blink))
359 
360 /*
361  * QUEUE_PUSH_TAIL -- Macro which puts an element at the tail (end) of the queue
362  */
363 #define	QUEUE_PUSH_TAIL(_LH, _E)	\
364 	if ((_LH)->Blink) \
365 	{ \
366 		((PSINGLE_LIST_LINK)(_LH)->Blink)->Flink = \
367 			(PSINGLE_LIST_LINK)(_E); \
368 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
369 	} else { \
370 		(_LH)->Flink = \
371 			(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
372 	} \
373 	(_E)->Flink = (PSINGLE_LIST_LINK)0;
374 
375 /*
376  * QUEUE_PUSH_HEAD -- Macro which puts an element at the head of the queue.
377  */
378 #define	QUEUE_PUSH_HEAD(_LH, _E)	\
379 	if (!((_E)->Flink = (_LH)->Flink)) \
380 	{ \
381 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
382 	} \
383 	(_LH)->Flink = (PSINGLE_LIST_LINK)(_E);
384 
385 /*
386  * QUEUE_GET_NEXT -- Macro which returns the next element linked to the
387  *	current element.
388  */
389 #define	QUEUE_GET_NEXT(_LH, _E)		\
390 	(PSINGLE_LIST_LINK)((((_LH)->Blink) == (_E)) ? \
391 	(0) : ((_E)->Flink))
392 
393 /*
394  * QUEUE_APPEND -- Macro which appends a queue to the tail of another queue
395  */
396 #define	QUEUE_APPEND(_LH1, _LH2)	\
397 	if ((_LH2)->Flink) { \
398 		if ((_LH1)->Flink) { \
399 			((PSINGLE_LIST_LINK)(_LH1)->Blink)->Flink = \
400 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
401 		} else { \
402 			(_LH1)->Flink = \
403 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
404 		} \
405 		(_LH1)->Blink = ((PSINGLE_LIST_LINK)(_LH2)->Blink); \
406 	}
407 
408 
409 #define	QUEUE_SWITCH(_LH1, _LH2)					\
410 	if ((_LH2)->Flink) { 						\
411 		(_LH1)->Flink = (_LH2)->Flink;				\
412 		(_LH1)->Blink = (_LH2)->Blink;				\
413 		(_LH2)->Flink = (_LH2)->Blink = (PSINGLE_LIST_LINK)0;	\
414 	}
415 
416 /*
417  * Property lookups
418  */
419 #define	E1000G_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
420 						DDI_PROP_DONTPASS, (n))
421 #define	E1000G_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
422 						DDI_PROP_DONTPASS, (n), -1)
423 
424 #ifdef E1000G_DEBUG
425 /*
426  * E1000G-specific ioctls ...
427  */
428 #define	E1000G_IOC		((((((('E' << 4) + '1') << 4) \
429 				+ 'K') << 4) + 'G') << 4)
430 
431 /*
432  * These diagnostic IOCTLS are enabled only in DEBUG drivers
433  */
434 #define	E1000G_IOC_REG_PEEK	(E1000G_IOC | 1)
435 #define	E1000G_IOC_REG_POKE	(E1000G_IOC | 2)
436 #define	E1000G_IOC_CHIP_RESET	(E1000G_IOC | 3)
437 
438 #define	E1000G_PP_SPACE_REG	0	/* PCI memory space	*/
439 #define	E1000G_PP_SPACE_E1000G	1	/* driver's soft state	*/
440 
441 typedef struct {
442 	uint64_t pp_acc_size;	/* It's 1, 2, 4 or 8	*/
443 	uint64_t pp_acc_space;	/* See #defines below	*/
444 	uint64_t pp_acc_offset;	/* See regs definition	*/
445 	uint64_t pp_acc_data;	/* output for peek	*/
446 				/* input for poke	*/
447 } e1000g_peekpoke_t;
448 #endif	/* E1000G_DEBUG */
449 
450 /*
451  * (Internal) return values from ioctl subroutines
452  */
453 enum ioc_reply {
454 	IOC_INVAL = -1,		/* bad, NAK with EINVAL	*/
455 	IOC_DONE,		/* OK, reply sent	*/
456 	IOC_ACK,		/* OK, just send ACK	*/
457 	IOC_REPLY		/* OK, just send reply	*/
458 };
459 
460 /*
461  * Named Data (ND) Parameter Management Structure
462  */
463 typedef struct {
464 	uint32_t ndp_info;
465 	uint32_t ndp_min;
466 	uint32_t ndp_max;
467 	uint32_t ndp_val;
468 	struct e1000g *ndp_instance;
469 	char *ndp_name;
470 } nd_param_t;
471 
472 /*
473  * The entry of the private dip list
474  */
475 typedef struct _private_devi_list {
476 	dev_info_t *priv_dip;
477 	uint16_t flag;
478 	struct _private_devi_list *next;
479 } private_devi_list_t;
480 
481 /*
482  * A structure that points to the next entry in the queue.
483  */
484 typedef struct _SINGLE_LIST_LINK {
485 	struct _SINGLE_LIST_LINK *Flink;
486 } SINGLE_LIST_LINK, *PSINGLE_LIST_LINK;
487 
488 /*
489  * A "ListHead" structure that points to the head and tail of a queue
490  */
491 typedef struct _LIST_DESCRIBER {
492 	struct _SINGLE_LIST_LINK *volatile Flink;
493 	struct _SINGLE_LIST_LINK *volatile Blink;
494 } LIST_DESCRIBER, *PLIST_DESCRIBER;
495 
496 /*
497  * Address-Length pair structure that stores descriptor info
498  */
499 typedef struct _sw_desc {
500 	uint64_t address;
501 	uint32_t length;
502 } sw_desc_t, *p_sw_desc_t;
503 
504 typedef struct _desc_array {
505 	sw_desc_t descriptor[4];
506 	uint32_t elements;
507 } desc_array_t, *p_desc_array_t;
508 
509 typedef enum {
510 	USE_NONE,
511 	USE_BCOPY,
512 	USE_DVMA,
513 	USE_DMA
514 } dma_type_t;
515 
516 typedef struct _dma_buffer {
517 	caddr_t address;
518 	uint64_t dma_address;
519 	ddi_acc_handle_t acc_handle;
520 	ddi_dma_handle_t dma_handle;
521 	size_t size;
522 	size_t len;
523 } dma_buffer_t, *p_dma_buffer_t;
524 
525 /*
526  * Transmit Control Block (TCB), Ndis equiv of SWPacket This
527  * structure stores the additional information that is
528  * associated with every packet to be transmitted. It stores the
529  * message block pointer and the TBD addresses associated with
530  * the m_blk and also the link to the next tcb in the chain
531  */
532 typedef struct _tx_sw_packet {
533 	/* Link to the next tx_sw_packet in the list */
534 	SINGLE_LIST_LINK Link;
535 	mblk_t *mp;
536 	uint32_t num_desc;
537 	uint32_t num_mblk_frag;
538 	dma_type_t dma_type;
539 	dma_type_t data_transfer_type;
540 	ddi_dma_handle_t tx_dma_handle;
541 	dma_buffer_t tx_buf[1];
542 	sw_desc_t desc[MAX_TX_DESC_PER_PACKET];
543 } tx_sw_packet_t, *p_tx_sw_packet_t;
544 
545 /*
546  * This structure is similar to the rx_sw_packet structure used
547  * for Ndis. This structure stores information about the 2k
548  * aligned receive buffer into which the FX1000 DMA's frames.
549  * This structure is maintained as a linked list of many
550  * receiver buffer pointers.
551  */
552 typedef struct _rx_sw_packet {
553 	/* Link to the next rx_sw_packet_t in the list */
554 	SINGLE_LIST_LINK Link;
555 	struct _rx_sw_packet *next;
556 	uint16_t flag;
557 	mblk_t *mp;
558 	caddr_t rx_ring;
559 	dma_type_t dma_type;
560 	frtn_t free_rtn;
561 	dma_buffer_t rx_buf[1];
562 } rx_sw_packet_t, *p_rx_sw_packet_t;
563 
564 typedef struct _mblk_list {
565 	mblk_t *head;
566 	mblk_t *tail;
567 } mblk_list_t, *p_mblk_list_t;
568 
569 typedef struct _context_data {
570 	uint32_t ether_header_size;
571 	uint32_t cksum_flags;
572 	uint32_t cksum_start;
573 	uint32_t cksum_stuff;
574 	uint16_t mss;
575 	uint8_t hdr_len;
576 	uint32_t pay_len;
577 	boolean_t lso_flag;
578 } context_data_t;
579 
580 typedef union _e1000g_ether_addr {
581 	struct {
582 		uint32_t high;
583 		uint32_t low;
584 	} reg;
585 	struct {
586 		uint8_t set;
587 		uint8_t redundant;
588 		uint8_t addr[ETHERADDRL];
589 	} mac;
590 } e1000g_ether_addr_t;
591 
592 typedef struct _e1000g_stat {
593 
594 	kstat_named_t link_speed;	/* Link Speed */
595 	kstat_named_t reset_count;	/* Reset Count */
596 
597 	kstat_named_t rx_error;		/* Rx Error in Packet */
598 	kstat_named_t rx_esballoc_fail;	/* Rx Desballoc Failure */
599 	kstat_named_t rx_allocb_fail;	/* Rx Allocb Failure */
600 
601 	kstat_named_t tx_no_desc;	/* Tx No Desc */
602 	kstat_named_t tx_no_swpkt;	/* Tx No Pkt Buffer */
603 	kstat_named_t tx_send_fail;	/* Tx SendPkt Failure */
604 	kstat_named_t tx_over_size;	/* Tx Pkt Too Long */
605 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
606 
607 #ifdef E1000G_DEBUG
608 	kstat_named_t rx_none;		/* Rx No Incoming Data */
609 	kstat_named_t rx_multi_desc;	/* Rx Multi Spanned Pkt */
610 	kstat_named_t rx_no_freepkt;	/* Rx No Free Pkt */
611 	kstat_named_t rx_avail_freepkt;	/* Rx Freelist Avail Buffers */
612 
613 	kstat_named_t tx_under_size;	/* Tx Packet Under Size */
614 	kstat_named_t tx_empty_frags;	/* Tx Empty Frags */
615 	kstat_named_t tx_exceed_frags;	/* Tx Exceed Max Frags */
616 	kstat_named_t tx_recycle;	/* Tx Recycle */
617 	kstat_named_t tx_recycle_intr;	/* Tx Recycle in Intr */
618 	kstat_named_t tx_recycle_retry;	/* Tx Recycle Retry */
619 	kstat_named_t tx_recycle_none;	/* Tx No Desc Recycled */
620 	kstat_named_t tx_copy;		/* Tx Send Copy */
621 	kstat_named_t tx_bind;		/* Tx Send Bind */
622 	kstat_named_t tx_multi_copy;	/* Tx Copy Multi Fragments */
623 	kstat_named_t tx_multi_cookie;	/* Tx Pkt Span Multi Cookies */
624 	kstat_named_t tx_lack_desc;	/* Tx Lack of Desc */
625 #endif
626 
627 	kstat_named_t Crcerrs;	/* CRC Error Count */
628 	kstat_named_t Symerrs;	/* Symbol Error Count */
629 	kstat_named_t Mpc;	/* Missed Packet Count */
630 	kstat_named_t Scc;	/* Single Collision Count */
631 	kstat_named_t Ecol;	/* Excessive Collision Count */
632 	kstat_named_t Mcc;	/* Multiple Collision Count */
633 	kstat_named_t Latecol;	/* Late Collision Count */
634 	kstat_named_t Colc;	/* Collision Count */
635 	kstat_named_t Dc;	/* Defer Count */
636 	kstat_named_t Sec;	/* Sequence Error Count */
637 	kstat_named_t Rlec;	/* Receive Length Error Count */
638 	kstat_named_t Xonrxc;	/* XON Received Count */
639 	kstat_named_t Xontxc;	/* XON Xmitted Count */
640 	kstat_named_t Xoffrxc;	/* XOFF Received Count */
641 	kstat_named_t Xofftxc;	/* Xoff Xmitted Count */
642 	kstat_named_t Fcruc;	/* Unknown Flow Conrol Packet Rcvd Count */
643 #ifdef E1000G_DEBUG
644 	kstat_named_t Prc64;	/* Packets Received - 64b */
645 	kstat_named_t Prc127;	/* Packets Received - 65-127b */
646 	kstat_named_t Prc255;	/* Packets Received - 127-255b */
647 	kstat_named_t Prc511;	/* Packets Received - 256-511b */
648 	kstat_named_t Prc1023;	/* Packets Received - 511-1023b */
649 	kstat_named_t Prc1522;	/* Packets Received - 1024-1522b */
650 #endif
651 	kstat_named_t Gprc;	/* Good Packets Received Count */
652 	kstat_named_t Bprc;	/* Broadcasts Pkts Received Count */
653 	kstat_named_t Mprc;	/* Multicast Pkts Received Count */
654 	kstat_named_t Gptc;	/* Good Packets Xmitted Count */
655 	kstat_named_t Gorl;	/* Good Octets Recvd Lo Count */
656 	kstat_named_t Gorh;	/* Good Octets Recvd Hi Count */
657 	kstat_named_t Gotl;	/* Good Octets Xmitd Lo Count */
658 	kstat_named_t Goth;	/* Good Octets Xmitd Hi Count */
659 	kstat_named_t Rnbc;	/* Receive No Buffers Count */
660 	kstat_named_t Ruc;	/* Receive Undersize Count */
661 	kstat_named_t Rfc;	/* Receive Frag Count */
662 	kstat_named_t Roc;	/* Receive Oversize Count */
663 	kstat_named_t Rjc;	/* Receive Jabber Count */
664 	kstat_named_t Torl;	/* Total Octets Recvd Lo Count */
665 	kstat_named_t Torh;	/* Total Octets Recvd Hi Count */
666 	kstat_named_t Totl;	/* Total Octets Xmted Lo Count */
667 	kstat_named_t Toth;	/* Total Octets Xmted Hi Count */
668 	kstat_named_t Tpr;	/* Total Packets Received */
669 	kstat_named_t Tpt;	/* Total Packets Xmitted */
670 #ifdef E1000G_DEBUG
671 	kstat_named_t Ptc64;	/* Packets Xmitted (64b) */
672 	kstat_named_t Ptc127;	/* Packets Xmitted (64-127b) */
673 	kstat_named_t Ptc255;	/* Packets Xmitted (128-255b) */
674 	kstat_named_t Ptc511;	/* Packets Xmitted (255-511b) */
675 	kstat_named_t Ptc1023;	/* Packets Xmitted (512-1023b) */
676 	kstat_named_t Ptc1522;	/* Packets Xmitted (1024-1522b */
677 #endif
678 	kstat_named_t Mptc;	/* Multicast Packets Xmited Count */
679 	kstat_named_t Bptc;	/* Broadcast Packets Xmited Count */
680 	kstat_named_t Algnerrc;	/* Alignment Error count */
681 	kstat_named_t Tuc;	/* Transmit Underrun count */
682 	kstat_named_t Rxerrc;	/* Rx Error Count */
683 	kstat_named_t Tncrs;	/* Transmit with no CRS */
684 	kstat_named_t Cexterr;	/* Carrier Extension Error count */
685 	kstat_named_t Rutec;	/* Receive DMA too Early count */
686 	kstat_named_t Tsctc;	/* TCP seg contexts xmit count */
687 	kstat_named_t Tsctfc;	/* TCP seg contexts xmit fail count */
688 } e1000g_stat_t, *p_e1000g_stat_t;
689 
690 typedef struct _e1000g_tx_ring {
691 	kmutex_t tx_lock;
692 	kmutex_t freelist_lock;
693 	kmutex_t usedlist_lock;
694 	/*
695 	 * Descriptor queue definitions
696 	 */
697 	ddi_dma_handle_t tbd_dma_handle;
698 	ddi_acc_handle_t tbd_acc_handle;
699 	struct e1000_tx_desc *tbd_area;
700 	uint64_t tbd_dma_addr;
701 	struct e1000_tx_desc *tbd_first;
702 	struct e1000_tx_desc *tbd_last;
703 	struct e1000_tx_desc *tbd_oldest;
704 	struct e1000_tx_desc *tbd_next;
705 	uint32_t tbd_avail;
706 	/*
707 	 * Software packet structures definitions
708 	 */
709 	p_tx_sw_packet_t packet_area;
710 	LIST_DESCRIBER used_list;
711 	LIST_DESCRIBER free_list;
712 	/*
713 	 * TCP/UDP Context Data Information
714 	 */
715 	context_data_t pre_context;
716 	/*
717 	 * Timer definitions for 82547
718 	 */
719 	timeout_id_t timer_id_82547;
720 	boolean_t timer_enable_82547;
721 	/*
722 	 * reschedule when tx resource is available
723 	 */
724 	boolean_t resched_needed;
725 	clock_t resched_timestamp;
726 	uint32_t stall_watchdog;
727 	uint32_t recycle_fail;
728 	mblk_list_t mblks;
729 	/*
730 	 * Statistics
731 	 */
732 	uint32_t stat_no_swpkt;
733 	uint32_t stat_no_desc;
734 	uint32_t stat_send_fail;
735 	uint32_t stat_reschedule;
736 	uint32_t stat_timer_reschedule;
737 	uint32_t stat_over_size;
738 #ifdef E1000G_DEBUG
739 	uint32_t stat_under_size;
740 	uint32_t stat_exceed_frags;
741 	uint32_t stat_empty_frags;
742 	uint32_t stat_recycle;
743 	uint32_t stat_recycle_intr;
744 	uint32_t stat_recycle_retry;
745 	uint32_t stat_recycle_none;
746 	uint32_t stat_copy;
747 	uint32_t stat_bind;
748 	uint32_t stat_multi_copy;
749 	uint32_t stat_multi_cookie;
750 	uint32_t stat_lack_desc;
751 	uint32_t stat_lso_header_fail;
752 #endif
753 	/*
754 	 * Pointer to the adapter
755 	 */
756 	struct e1000g *adapter;
757 } e1000g_tx_ring_t, *pe1000g_tx_ring_t;
758 
759 typedef struct _e1000g_rx_ring {
760 	kmutex_t rx_lock;
761 	kmutex_t freelist_lock;
762 	kmutex_t recycle_lock;
763 	/*
764 	 * Descriptor queue definitions
765 	 */
766 	ddi_dma_handle_t rbd_dma_handle;
767 	ddi_acc_handle_t rbd_acc_handle;
768 	struct e1000_rx_desc *rbd_area;
769 	uint64_t rbd_dma_addr;
770 	struct e1000_rx_desc *rbd_first;
771 	struct e1000_rx_desc *rbd_last;
772 	struct e1000_rx_desc *rbd_next;
773 	/*
774 	 * Software packet structures definitions
775 	 */
776 	p_rx_sw_packet_t packet_area;
777 	LIST_DESCRIBER recv_list;
778 	LIST_DESCRIBER free_list;
779 	LIST_DESCRIBER recycle_list;
780 
781 	p_rx_sw_packet_t pending_list;
782 	uint32_t pending_count;
783 	uint32_t avail_freepkt;
784 	uint32_t recycle_freepkt;
785 	uint32_t rx_mblk_len;
786 	mblk_t *rx_mblk;
787 	mblk_t *rx_mblk_tail;
788 	mac_ring_handle_t mrh;
789 	mac_ring_handle_t mrh_init;
790 	uint64_t ring_gen_num;
791 	boolean_t poll_flag;
792 
793 	/*
794 	 * Statistics
795 	 */
796 	uint32_t stat_error;
797 	uint32_t stat_esballoc_fail;
798 	uint32_t stat_allocb_fail;
799 	uint32_t stat_exceed_pkt;
800 #ifdef E1000G_DEBUG
801 	uint32_t stat_none;
802 	uint32_t stat_multi_desc;
803 	uint32_t stat_no_freepkt;
804 #endif
805 	/*
806 	 * Pointer to the adapter
807 	 */
808 	struct e1000g *adapter;
809 } e1000g_rx_ring_t, *pe1000g_rx_ring_t;
810 
811 typedef struct e1000g {
812 	int instance;
813 	dev_info_t *dip;
814 	dev_info_t *priv_dip;
815 	mac_handle_t mh;
816 	mac_resource_handle_t mrh;
817 	struct e1000_hw shared;
818 	struct e1000g_osdep osdep;
819 
820 	uint32_t e1000g_state;
821 	boolean_t e1000g_promisc;
822 	boolean_t strip_crc;
823 	boolean_t rx_buffer_setup;
824 	boolean_t esb2_workaround;
825 	link_state_t link_state;
826 	uint32_t link_speed;
827 	uint32_t link_duplex;
828 	uint32_t master_latency_timer;
829 	uint32_t smartspeed;	/* smartspeed w/a counter */
830 	uint32_t init_count;
831 	uint32_t reset_count;
832 	uint32_t attach_progress;	/* attach tracking */
833 	uint32_t loopback_mode;
834 
835 	uint32_t tx_desc_num;
836 	uint32_t tx_freelist_num;
837 	uint32_t rx_desc_num;
838 	uint32_t rx_freelist_num;
839 	uint32_t tx_buffer_size;
840 	uint32_t rx_buffer_size;
841 
842 	uint32_t tx_link_down_timeout;
843 	uint32_t tx_bcopy_thresh;
844 	uint32_t rx_limit_onintr;
845 	uint32_t rx_bcopy_thresh;
846 	uint32_t rx_buf_align;
847 	uint32_t desc_align;
848 
849 	boolean_t intr_adaptive;
850 	boolean_t tx_intr_enable;
851 	uint32_t tx_intr_delay;
852 	uint32_t tx_intr_abs_delay;
853 	uint32_t rx_intr_delay;
854 	uint32_t rx_intr_abs_delay;
855 	uint32_t intr_throttling_rate;
856 
857 	uint32_t default_mtu;
858 	uint32_t max_frame_size;
859 	uint32_t min_frame_size;
860 
861 	boolean_t watchdog_timer_enabled;
862 	boolean_t watchdog_timer_started;
863 	timeout_id_t watchdog_tid;
864 	boolean_t link_complete;
865 	timeout_id_t link_tid;
866 
867 	e1000g_rx_ring_t rx_ring[1];
868 	e1000g_tx_ring_t tx_ring[1];
869 	mac_group_handle_t rx_group;
870 
871 	/*
872 	 * Rx and Tx packet count for interrupt adaptive setting
873 	 */
874 	uint32_t rx_pkt_cnt;
875 	uint32_t tx_pkt_cnt;
876 
877 	/*
878 	 * The watchdog_lock must be held when updateing the
879 	 * timeout fields in struct e1000g, that is,
880 	 * watchdog_tid, watchdog_timer_started.
881 	 */
882 	kmutex_t watchdog_lock;
883 	/*
884 	 * The link_lock protects the link fields in struct e1000g,
885 	 * such as link_state, link_speed, link_duplex, link_complete, and
886 	 * link_tid.
887 	 */
888 	kmutex_t link_lock;
889 	/*
890 	 * The chip_lock assures that the Rx/Tx process must be
891 	 * stopped while other functions change the hardware
892 	 * configuration of e1000g card, such as e1000g_reset(),
893 	 * e1000g_reset_hw() etc are executed.
894 	 */
895 	krwlock_t chip_lock;
896 
897 	boolean_t unicst_init;
898 	uint32_t unicst_avail;
899 	uint32_t unicst_total;
900 	e1000g_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
901 
902 	uint32_t mcast_count;
903 	struct ether_addr mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
904 
905 	ulong_t sys_page_sz;
906 #ifdef __sparc
907 	uint_t dvma_page_num;
908 #endif
909 
910 	boolean_t msi_enable;
911 	boolean_t tx_hcksum_enable;
912 	boolean_t lso_enable;
913 	boolean_t lso_premature_issue;
914 	boolean_t mem_workaround_82546;
915 	int intr_type;
916 	int intr_cnt;
917 	int intr_cap;
918 	size_t intr_size;
919 	uint_t intr_pri;
920 	ddi_intr_handle_t *htable;
921 
922 	int tx_softint_pri;
923 	ddi_softint_handle_t tx_softint_handle;
924 
925 	kstat_t *e1000g_ksp;
926 
927 	boolean_t poll_mode;
928 
929 	uint16_t phy_ctrl;		/* contents of PHY_CTRL */
930 	uint16_t phy_status;		/* contents of PHY_STATUS */
931 	uint16_t phy_an_adv;		/* contents of PHY_AUTONEG_ADV */
932 	uint16_t phy_an_exp;		/* contents of PHY_AUTONEG_EXP */
933 	uint16_t phy_ext_status;	/* contents of PHY_EXT_STATUS */
934 	uint16_t phy_1000t_ctrl;	/* contents of PHY_1000T_CTRL */
935 	uint16_t phy_1000t_status;	/* contents of PHY_1000T_STATUS */
936 	uint16_t phy_lp_able;		/* contents of PHY_LP_ABILITY */
937 
938 	/*
939 	 * FMA capabilities
940 	 */
941 	int fm_capabilities;
942 
943 	uint32_t	param_en_1000fdx:1,
944 			param_en_1000hdx:1,
945 			param_en_100fdx:1,
946 			param_en_100hdx:1,
947 			param_en_10fdx:1,
948 			param_en_10hdx:1,
949 			param_autoneg_cap:1,
950 			param_pause_cap:1,
951 			param_asym_pause_cap:1,
952 			param_1000fdx_cap:1,
953 			param_1000hdx_cap:1,
954 			param_100t4_cap:1,
955 			param_100fdx_cap:1,
956 			param_100hdx_cap:1,
957 			param_10fdx_cap:1,
958 			param_10hdx_cap:1,
959 			param_adv_autoneg:1,
960 			param_adv_pause:1,
961 			param_adv_asym_pause:1,
962 			param_adv_1000fdx:1,
963 			param_adv_1000hdx:1,
964 			param_adv_100t4:1,
965 			param_adv_100fdx:1,
966 			param_adv_100hdx:1,
967 			param_adv_10fdx:1,
968 			param_adv_10hdx:1,
969 			param_lp_autoneg:1,
970 			param_lp_pause:1,
971 			param_lp_asym_pause:1,
972 			param_lp_1000fdx:1,
973 			param_lp_1000hdx:1,
974 			param_lp_100t4:1;
975 
976 	uint32_t	param_lp_100fdx:1,
977 			param_lp_100hdx:1,
978 			param_lp_10fdx:1,
979 			param_lp_10hdx:1,
980 			param_pad_to_32:28;
981 
982 } e1000g_t;
983 
984 
985 /*
986  * Function prototypes
987  */
988 int e1000g_alloc_dma_resources(struct e1000g *Adapter);
989 void e1000g_release_dma_resources(struct e1000g *Adapter);
990 void e1000g_free_rx_sw_packet(p_rx_sw_packet_t packet);
991 void e1000g_tx_setup(struct e1000g *Adapter);
992 void e1000g_rx_setup(struct e1000g *Adapter);
993 void e1000g_setup_multicast(struct e1000g *Adapter);
994 
995 int e1000g_recycle(e1000g_tx_ring_t *tx_ring);
996 void e1000g_free_tx_swpkt(p_tx_sw_packet_t packet);
997 void e1000g_tx_freemsg(e1000g_tx_ring_t *tx_ring);
998 uint_t e1000g_tx_softint_worker(caddr_t arg1, caddr_t arg2);
999 mblk_t *e1000g_m_tx(void *arg, mblk_t *mp);
1000 mblk_t *e1000g_receive(e1000g_rx_ring_t *rx_ring, mblk_t **tail, uint_t sz);
1001 void e1000g_rxfree_func(p_rx_sw_packet_t packet);
1002 
1003 int e1000g_m_stat(void *arg, uint_t stat, uint64_t *val);
1004 int e1000g_init_stats(struct e1000g *Adapter);
1005 void e1000_tbi_adjust_stats(struct e1000g *Adapter,
1006     uint32_t frame_len, uint8_t *mac_addr);
1007 
1008 void e1000g_clear_interrupt(struct e1000g *Adapter);
1009 void e1000g_mask_interrupt(struct e1000g *Adapter);
1010 void e1000g_clear_all_interrupts(struct e1000g *Adapter);
1011 void e1000g_clear_tx_interrupt(struct e1000g *Adapter);
1012 void e1000g_mask_tx_interrupt(struct e1000g *Adapter);
1013 void phy_spd_state(struct e1000_hw *hw, boolean_t enable);
1014 void e1000_enable_pciex_master(struct e1000_hw *hw);
1015 int e1000g_check_acc_handle(ddi_acc_handle_t handle);
1016 int e1000g_check_dma_handle(ddi_dma_handle_t handle);
1017 void e1000g_fm_ereport(struct e1000g *Adapter, char *detail);
1018 void e1000g_set_fma_flags(struct e1000g *Adapter, int acc_flag, int dma_flag);
1019 int e1000g_reset_link(struct e1000g *Adapter);
1020 
1021 /*
1022  * Global variables
1023  */
1024 extern boolean_t e1000g_force_detach;
1025 extern uint32_t e1000g_mblks_pending;
1026 extern krwlock_t e1000g_rx_detach_lock;
1027 extern private_devi_list_t *e1000g_private_devi_list;
1028 extern int e1000g_poll_mode;
1029 
1030 #ifdef __cplusplus
1031 }
1032 #endif
1033 
1034 #endif	/* _E1000G_SW_H */
1035