xref: /titanic_51/usr/src/uts/common/io/e1000g/e1000g_sw.h (revision 6cefaae1e90a413ba01560575bb3998e1a3df40e)
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 - 2008 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 2008 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.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 #define	JUMBO_FRAG_LENGTH		4096
81 
82 #define	LAST_RAR_ENTRY			(E1000_RAR_ENTRIES - 1)
83 #define	MAX_NUM_UNICAST_ADDRESSES	E1000_RAR_ENTRIES
84 #define	MAX_NUM_MULTICAST_ADDRESSES	256
85 
86 /*
87  * MAX_COOKIES = max_LSO_packet_size(65535 + ethernet_header_len)/page_size
88  *	+ one for cross page split
89  * MAX_TX_DESC_PER_PACKET = MAX_COOKIES + one for the context descriptor +
90  *	two for the workaround of the 82546 chip
91  */
92 #define	MAX_COOKIES			18
93 #define	MAX_TX_DESC_PER_PACKET		21
94 
95 /*
96  * constants used in setting flow control thresholds
97  */
98 #define	E1000_PBA_10K		0x000A
99 #define	E1000_PBA_MASK		0xffff
100 #define	E1000_PBA_SHIFT		10
101 #define	E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
102 #define	E1000_FC_LOW_DIFF	0x1640 /* Low: 5696 bytes below Rx FIFO size */
103 #define	E1000_FC_PAUSE_TIME	0x0680 /* 858 usec */
104 
105 #define	MAX_NUM_TX_DESCRIPTOR		4096
106 #define	MAX_NUM_RX_DESCRIPTOR		4096
107 #define	MAX_NUM_RX_FREELIST		4096
108 #define	MAX_NUM_TX_FREELIST		4096
109 #define	MAX_RX_LIMIT_ON_INTR		4096
110 #define	MAX_RX_INTR_DELAY		65535
111 #define	MAX_RX_INTR_ABS_DELAY		65535
112 #define	MAX_TX_INTR_DELAY		65535
113 #define	MAX_TX_INTR_ABS_DELAY		65535
114 #define	MAX_INTR_THROTTLING		65535
115 #define	MAX_RX_BCOPY_THRESHOLD		E1000_RX_BUFFER_SIZE_2K
116 #define	MAX_TX_BCOPY_THRESHOLD		E1000_TX_BUFFER_SIZE_2K
117 #define	MAX_TX_RECYCLE_THRESHOLD	MAX_NUM_TX_DESCRIPTOR
118 #define	MAX_TX_RECYCLE_NUM		MAX_NUM_TX_DESCRIPTOR
119 
120 #define	MIN_NUM_TX_DESCRIPTOR		80
121 #define	MIN_NUM_RX_DESCRIPTOR		80
122 #define	MIN_NUM_RX_FREELIST		64
123 #define	MIN_NUM_TX_FREELIST		80
124 #define	MIN_RX_LIMIT_ON_INTR		16
125 #define	MIN_RX_INTR_DELAY		0
126 #define	MIN_RX_INTR_ABS_DELAY		0
127 #define	MIN_TX_INTR_DELAY		0
128 #define	MIN_TX_INTR_ABS_DELAY		0
129 #define	MIN_INTR_THROTTLING		0
130 #define	MIN_RX_BCOPY_THRESHOLD		0
131 #define	MIN_TX_BCOPY_THRESHOLD		ETHERMIN
132 #define	MIN_TX_RECYCLE_THRESHOLD	0
133 #define	MIN_TX_RECYCLE_NUM		MAX_TX_DESC_PER_PACKET
134 
135 #define	DEFAULT_NUM_RX_DESCRIPTOR	2048
136 #define	DEFAULT_NUM_TX_DESCRIPTOR	2048
137 #define	DEFAULT_NUM_RX_FREELIST		4096
138 #define	DEFAULT_NUM_TX_FREELIST		2304
139 #define	DEFAULT_RX_LIMIT_ON_INTR	128
140 
141 #ifdef __sparc
142 #define	MAX_INTR_PER_SEC		7100
143 #define	MIN_INTR_PER_SEC		3000
144 #define	DEFAULT_INTR_PACKET_LOW		5
145 #define	DEFAULT_INTR_PACKET_HIGH	128
146 #define	DEFAULT_TX_RECYCLE_THRESHOLD	512
147 #else
148 #define	MAX_INTR_PER_SEC		15000
149 #define	MIN_INTR_PER_SEC		4000
150 #define	DEFAULT_INTR_PACKET_LOW		10
151 #define	DEFAULT_INTR_PACKET_HIGH	48
152 #define	DEFAULT_TX_RECYCLE_THRESHOLD	DEFAULT_TX_NO_RESOURCE
153 #endif
154 
155 #define	DEFAULT_RX_INTR_DELAY		0
156 #define	DEFAULT_RX_INTR_ABS_DELAY	64
157 #define	DEFAULT_TX_INTR_DELAY		64
158 #define	DEFAULT_TX_INTR_ABS_DELAY	64
159 #define	DEFAULT_INTR_THROTTLING_HIGH    1000000000/(MIN_INTR_PER_SEC*256)
160 #define	DEFAULT_INTR_THROTTLING_LOW	1000000000/(MAX_INTR_PER_SEC*256)
161 #define	DEFAULT_INTR_THROTTLING		DEFAULT_INTR_THROTTLING_LOW
162 
163 #define	DEFAULT_RX_BCOPY_THRESHOLD	128
164 #define	DEFAULT_TX_BCOPY_THRESHOLD	512
165 #define	DEFAULT_TX_RECYCLE_NUM		64
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 
178 #define	TX_DRAIN_TIME		(200)	/* # milliseconds xmit drain */
179 
180 /*
181  * The size of the receive/transmite buffers
182  */
183 #define	E1000_RX_BUFFER_SIZE_2K		(2048)
184 #define	E1000_RX_BUFFER_SIZE_4K		(4096)
185 #define	E1000_RX_BUFFER_SIZE_8K		(8192)
186 #define	E1000_RX_BUFFER_SIZE_16K	(16384)
187 
188 #define	E1000_TX_BUFFER_SIZE_2K		(2048)
189 #define	E1000_TX_BUFFER_SIZE_4K		(4096)
190 #define	E1000_TX_BUFFER_SIZE_8K		(8192)
191 #define	E1000_TX_BUFFER_SIZE_16K	(16384)
192 
193 #define	E1000_TX_BUFFER_OEVRRUN_THRESHOLD	(2015)
194 
195 #define	E1000G_RX_SW_FREE		0x0
196 #define	E1000G_RX_SW_SENDUP		0x1
197 #define	E1000G_RX_SW_STOP		0x2
198 #define	E1000G_RX_SW_DETACH		0x3
199 
200 /*
201  * definitions for smartspeed workaround
202  */
203 #define	  E1000_SMARTSPEED_MAX		30	/* 30 watchdog iterations */
204 						/* or 30 seconds */
205 #define	  E1000_SMARTSPEED_DOWNSHIFT	6	/* 6 watchdog iterations */
206 						/* or 6 seconds */
207 
208 /*
209  * Definitions for module_info.
210  */
211 #define	 WSNAME			"e1000g"	/* module name */
212 
213 /*
214  * Defined for IP header alignment. We also need to preserve space for
215  * VLAN tag (4 bytes)
216  */
217 #define	E1000G_IPALIGNROOM		6
218 #define	E1000G_IPALIGNPRESERVEROOM	64
219 
220 /*
221  * bit flags for 'attach_progress' which is a member variable in struct e1000g
222  */
223 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
224 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
225 #define	ATTACH_PROGRESS_SETUP		0x0004	/* Setup driver parameters */
226 #define	ATTACH_PROGRESS_ADD_INTR	0x0008	/* Interrupt added */
227 #define	ATTACH_PROGRESS_LOCKS		0x0010	/* Locks initialized */
228 #define	ATTACH_PROGRESS_SOFT_INTR	0x0020	/* Soft interrupt added */
229 #define	ATTACH_PROGRESS_KSTATS		0x0040	/* Kstats created */
230 #define	ATTACH_PROGRESS_ALLOC		0x0080	/* DMA resources allocated */
231 #define	ATTACH_PROGRESS_INIT		0x0100	/* Driver initialization */
232 /* 0200 used to be PROGRESS_NDD. Now unused */
233 #define	ATTACH_PROGRESS_MAC		0x0400	/* MAC registered */
234 #define	ATTACH_PROGRESS_ENABLE_INTR	0x0800	/* DDI interrupts enabled */
235 #define	ATTACH_PROGRESS_FMINIT		0x1000	/* FMA initiated */
236 
237 /*
238  * Speed and Duplex Settings
239  */
240 #define	GDIAG_10_HALF		1
241 #define	GDIAG_10_FULL		2
242 #define	GDIAG_100_HALF		3
243 #define	GDIAG_100_FULL		4
244 #define	GDIAG_1000_FULL		6
245 #define	GDIAG_ANY		7
246 
247 /*
248  * Coexist Workaround RP: 07/04/03
249  * 82544 Workaround : Co-existence
250  */
251 #define	MAX_TX_BUF_SIZE		(8 * 1024)
252 
253 /*
254  * Defines for Jumbo Frame
255  */
256 #define	FRAME_SIZE_UPTO_2K	2048
257 #define	FRAME_SIZE_UPTO_4K	4096
258 #define	FRAME_SIZE_UPTO_8K	8192
259 #define	FRAME_SIZE_UPTO_16K	16384
260 #define	FRAME_SIZE_UPTO_9K	9234
261 
262 #define	MAXIMUM_MTU		9000
263 #define	DEFAULT_MTU		ETHERMTU
264 
265 #define	DEFAULT_FRAME_SIZE	\
266 	(DEFAULT_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
267 #define	MAXIMUM_FRAME_SIZE	\
268 	(MAXIMUM_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
269 
270 #define	E1000_LSO_MAXLEN	65535
271 
272 /* Defines for Tx stall check */
273 #define	E1000G_STALL_WATCHDOG_COUNT	8
274 
275 #define	MAX_TX_LINK_DOWN_TIMEOUT	8
276 
277 /* Defines for DVMA */
278 #ifdef __sparc
279 #define	E1000G_DEFAULT_DVMA_PAGE_NUM	2
280 #endif
281 
282 /*
283  * Loopback definitions
284  */
285 #define	E1000G_LB_NONE			0
286 #define	E1000G_LB_EXTERNAL_1000		1
287 #define	E1000G_LB_EXTERNAL_100		2
288 #define	E1000G_LB_EXTERNAL_10		3
289 #define	E1000G_LB_INTERNAL_PHY		4
290 
291 /*
292  * Private dip list definitions
293  */
294 #define	E1000G_PRIV_DEVI_ATTACH	0x0
295 #define	E1000G_PRIV_DEVI_DETACH	0x1
296 
297 /*
298  * Tx descriptor LENGTH field mask
299  */
300 #define	E1000G_TBD_LENGTH_MASK		0x000fffff
301 
302 /*
303  * QUEUE_INIT_LIST -- Macro which will init ialize a queue to NULL.
304  */
305 #define	QUEUE_INIT_LIST(_LH)	\
306 	(_LH)->Flink = (_LH)->Blink = (PSINGLE_LIST_LINK)0
307 
308 /*
309  * IS_QUEUE_EMPTY -- Macro which checks to see if a queue is empty.
310  */
311 #define	IS_QUEUE_EMPTY(_LH)	\
312 	((_LH)->Flink == (PSINGLE_LIST_LINK)0)
313 
314 /*
315  * QUEUE_GET_HEAD -- Macro which returns the head of the queue, but does
316  * not remove the head from the queue.
317  */
318 #define	QUEUE_GET_HEAD(_LH)	((PSINGLE_LIST_LINK)((_LH)->Flink))
319 
320 /*
321  * QUEUE_REMOVE_HEAD -- Macro which removes the head of the head of a queue.
322  */
323 #define	QUEUE_REMOVE_HEAD(_LH)	\
324 { \
325 	PSINGLE_LIST_LINK ListElem; \
326 	if (ListElem = (_LH)->Flink) \
327 	{ \
328 		if (!((_LH)->Flink = ListElem->Flink)) \
329 			(_LH)->Blink = (PSINGLE_LIST_LINK) 0; \
330 	} \
331 }
332 
333 /*
334  * QUEUE_POP_HEAD -- Macro which  will pop the head off of a queue (list),
335  *	and return it (this differs from QUEUE_REMOVE_HEAD only in
336  *	the 1st line).
337  */
338 #define	QUEUE_POP_HEAD(_LH)	\
339 	(PSINGLE_LIST_LINK)(_LH)->Flink; \
340 	{ \
341 		PSINGLE_LIST_LINK ListElem; \
342 		ListElem = (_LH)->Flink; \
343 		if (ListElem) \
344 		{ \
345 			(_LH)->Flink = ListElem->Flink; \
346 			if (!(_LH)->Flink) \
347 				(_LH)->Blink = (PSINGLE_LIST_LINK)0; \
348 		} \
349 	}
350 
351 /*
352  * QUEUE_GET_TAIL -- Macro which returns the tail of the queue, but does not
353  *	remove the tail from the queue.
354  */
355 #define	QUEUE_GET_TAIL(_LH)	((PSINGLE_LIST_LINK)((_LH)->Blink))
356 
357 /*
358  * QUEUE_PUSH_TAIL -- Macro which puts an element at the tail (end) of the queue
359  */
360 #define	QUEUE_PUSH_TAIL(_LH, _E)	\
361 	if ((_LH)->Blink) \
362 	{ \
363 		((PSINGLE_LIST_LINK)(_LH)->Blink)->Flink = \
364 			(PSINGLE_LIST_LINK)(_E); \
365 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
366 	} else { \
367 		(_LH)->Flink = \
368 			(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
369 	} \
370 	(_E)->Flink = (PSINGLE_LIST_LINK)0;
371 
372 /*
373  * QUEUE_PUSH_HEAD -- Macro which puts an element at the head of the queue.
374  */
375 #define	QUEUE_PUSH_HEAD(_LH, _E)	\
376 	if (!((_E)->Flink = (_LH)->Flink)) \
377 	{ \
378 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
379 	} \
380 	(_LH)->Flink = (PSINGLE_LIST_LINK)(_E);
381 
382 /*
383  * QUEUE_GET_NEXT -- Macro which returns the next element linked to the
384  *	current element.
385  */
386 #define	QUEUE_GET_NEXT(_LH, _E)		\
387 	(PSINGLE_LIST_LINK)((((_LH)->Blink) == (_E)) ? \
388 	(0) : ((_E)->Flink))
389 
390 /*
391  * QUEUE_APPEND -- Macro which appends a queue to the tail of another queue
392  */
393 #define	QUEUE_APPEND(_LH1, _LH2)	\
394 	if ((_LH2)->Flink) { \
395 		if ((_LH1)->Flink) { \
396 			((PSINGLE_LIST_LINK)(_LH1)->Blink)->Flink = \
397 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
398 		} else { \
399 			(_LH1)->Flink = \
400 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
401 		} \
402 		(_LH1)->Blink = ((PSINGLE_LIST_LINK)(_LH2)->Blink); \
403 	}
404 
405 /*
406  * Property lookups
407  */
408 #define	E1000G_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
409 						DDI_PROP_DONTPASS, (n))
410 #define	E1000G_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
411 						DDI_PROP_DONTPASS, (n), -1)
412 
413 #ifdef E1000G_DEBUG
414 /*
415  * E1000G-specific ioctls ...
416  */
417 #define	E1000G_IOC		((((((('E' << 4) + '1') << 4) \
418 				+ 'K') << 4) + 'G') << 4)
419 
420 /*
421  * These diagnostic IOCTLS are enabled only in DEBUG drivers
422  */
423 #define	E1000G_IOC_REG_PEEK	(E1000G_IOC | 1)
424 #define	E1000G_IOC_REG_POKE	(E1000G_IOC | 2)
425 #define	E1000G_IOC_CHIP_RESET	(E1000G_IOC | 3)
426 
427 #define	E1000G_PP_SPACE_REG	0	/* PCI memory space	*/
428 #define	E1000G_PP_SPACE_E1000G	1	/* driver's soft state	*/
429 
430 typedef struct {
431 	uint64_t pp_acc_size;	/* It's 1, 2, 4 or 8	*/
432 	uint64_t pp_acc_space;	/* See #defines below	*/
433 	uint64_t pp_acc_offset;	/* See regs definition	*/
434 	uint64_t pp_acc_data;	/* output for peek	*/
435 				/* input for poke	*/
436 } e1000g_peekpoke_t;
437 #endif	/* E1000G_DEBUG */
438 
439 /*
440  * (Internal) return values from ioctl subroutines
441  */
442 enum ioc_reply {
443 	IOC_INVAL = -1,		/* bad, NAK with EINVAL	*/
444 	IOC_DONE,		/* OK, reply sent	*/
445 	IOC_ACK,		/* OK, just send ACK	*/
446 	IOC_REPLY		/* OK, just send reply	*/
447 };
448 
449 /*
450  * Named Data (ND) Parameter Management Structure
451  */
452 typedef struct {
453 	uint32_t ndp_info;
454 	uint32_t ndp_min;
455 	uint32_t ndp_max;
456 	uint32_t ndp_val;
457 	struct e1000g *ndp_instance;
458 	char *ndp_name;
459 } nd_param_t;
460 
461 /*
462  * The entry of the private dip list
463  */
464 typedef struct _private_devi_list {
465 	dev_info_t *priv_dip;
466 	uint16_t flag;
467 	struct _private_devi_list *next;
468 } private_devi_list_t;
469 
470 /*
471  * A structure that points to the next entry in the queue.
472  */
473 typedef struct _SINGLE_LIST_LINK {
474 	struct _SINGLE_LIST_LINK *Flink;
475 } SINGLE_LIST_LINK, *PSINGLE_LIST_LINK;
476 
477 /*
478  * A "ListHead" structure that points to the head and tail of a queue
479  */
480 typedef struct _LIST_DESCRIBER {
481 	struct _SINGLE_LIST_LINK *volatile Flink;
482 	struct _SINGLE_LIST_LINK *volatile Blink;
483 } LIST_DESCRIBER, *PLIST_DESCRIBER;
484 
485 /*
486  * Address-Length pair structure that stores descriptor info
487  */
488 typedef struct _sw_desc {
489 	uint64_t address;
490 	uint32_t length;
491 } sw_desc_t, *p_sw_desc_t;
492 
493 typedef struct _desc_array {
494 	sw_desc_t descriptor[4];
495 	uint32_t elements;
496 } desc_array_t, *p_desc_array_t;
497 
498 typedef enum {
499 	USE_NONE,
500 	USE_BCOPY,
501 	USE_DVMA,
502 	USE_DMA
503 } dma_type_t;
504 
505 typedef enum {
506 	E1000G_STOP,
507 	E1000G_START,
508 	E1000G_ERROR
509 } chip_state_t;
510 
511 typedef struct _dma_buffer {
512 	caddr_t address;
513 	uint64_t dma_address;
514 	ddi_acc_handle_t acc_handle;
515 	ddi_dma_handle_t dma_handle;
516 	size_t size;
517 	size_t len;
518 } dma_buffer_t, *p_dma_buffer_t;
519 
520 /*
521  * Transmit Control Block (TCB), Ndis equiv of SWPacket This
522  * structure stores the additional information that is
523  * associated with every packet to be transmitted. It stores the
524  * message block pointer and the TBD addresses associated with
525  * the m_blk and also the link to the next tcb in the chain
526  */
527 typedef struct _tx_sw_packet {
528 	/* Link to the next tx_sw_packet in the list */
529 	SINGLE_LIST_LINK Link;
530 	mblk_t *mp;
531 	uint32_t num_desc;
532 	uint32_t num_mblk_frag;
533 	dma_type_t dma_type;
534 	dma_type_t data_transfer_type;
535 	ddi_dma_handle_t tx_dma_handle;
536 	dma_buffer_t tx_buf[1];
537 	sw_desc_t desc[MAX_TX_DESC_PER_PACKET];
538 } tx_sw_packet_t, *p_tx_sw_packet_t;
539 
540 /*
541  * This structure is similar to the rx_sw_packet structure used
542  * for Ndis. This structure stores information about the 2k
543  * aligned receive buffer into which the FX1000 DMA's frames.
544  * This structure is maintained as a linked list of many
545  * receiver buffer pointers.
546  */
547 typedef struct _rx_sw_packet {
548 	/* Link to the next rx_sw_packet_t in the list */
549 	SINGLE_LIST_LINK Link;
550 	struct _rx_sw_packet *next;
551 	uint16_t flag;
552 	mblk_t *mp;
553 	caddr_t rx_ring;
554 	dma_type_t dma_type;
555 	frtn_t free_rtn;
556 	dma_buffer_t rx_buf[1];
557 } rx_sw_packet_t, *p_rx_sw_packet_t;
558 
559 typedef struct _mblk_list {
560 	mblk_t *head;
561 	mblk_t *tail;
562 } mblk_list_t, *p_mblk_list_t;
563 
564 typedef struct _context_data {
565 	uint32_t ether_header_size;
566 	uint32_t cksum_flags;
567 	uint32_t cksum_start;
568 	uint32_t cksum_stuff;
569 	uint16_t mss;
570 	uint8_t hdr_len;
571 	uint32_t pay_len;
572 	boolean_t lso_flag;
573 } context_data_t;
574 
575 typedef union _e1000g_ether_addr {
576 	struct {
577 		uint32_t high;
578 		uint32_t low;
579 	} reg;
580 	struct {
581 		uint8_t set;
582 		uint8_t redundant;
583 		uint8_t addr[ETHERADDRL];
584 	} mac;
585 } e1000g_ether_addr_t;
586 
587 typedef struct _e1000g_stat {
588 
589 	kstat_named_t link_speed;	/* Link Speed */
590 	kstat_named_t reset_count;	/* Reset Count */
591 
592 	kstat_named_t rx_error;		/* Rx Error in Packet */
593 	kstat_named_t rx_esballoc_fail;	/* Rx Desballoc Failure */
594 	kstat_named_t rx_allocb_fail;	/* Rx Allocb Failure */
595 
596 	kstat_named_t tx_no_desc;	/* Tx No Desc */
597 	kstat_named_t tx_no_swpkt;	/* Tx No Pkt Buffer */
598 	kstat_named_t tx_send_fail;	/* Tx SendPkt Failure */
599 	kstat_named_t tx_over_size;	/* Tx Pkt Too Long */
600 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
601 
602 #ifdef E1000G_DEBUG
603 	kstat_named_t rx_none;		/* Rx No Incoming Data */
604 	kstat_named_t rx_multi_desc;	/* Rx Multi Spanned Pkt */
605 	kstat_named_t rx_no_freepkt;	/* Rx No Free Pkt */
606 	kstat_named_t rx_avail_freepkt;	/* Rx Freelist Avail Buffers */
607 
608 	kstat_named_t tx_under_size;	/* Tx Packet Under Size */
609 	kstat_named_t tx_empty_frags;	/* Tx Empty Frags */
610 	kstat_named_t tx_exceed_frags;	/* Tx Exceed Max Frags */
611 	kstat_named_t tx_recycle;	/* Tx Recycle */
612 	kstat_named_t tx_recycle_intr;	/* Tx Recycle in Intr */
613 	kstat_named_t tx_recycle_retry;	/* Tx Recycle Retry */
614 	kstat_named_t tx_recycle_none;	/* Tx No Desc Recycled */
615 	kstat_named_t tx_copy;		/* Tx Send Copy */
616 	kstat_named_t tx_bind;		/* Tx Send Bind */
617 	kstat_named_t tx_multi_copy;	/* Tx Copy Multi Fragments */
618 	kstat_named_t tx_multi_cookie;	/* Tx Pkt Span Multi Cookies */
619 	kstat_named_t tx_lack_desc;	/* Tx Lack of Desc */
620 #endif
621 
622 	kstat_named_t Crcerrs;	/* CRC Error Count */
623 	kstat_named_t Symerrs;	/* Symbol Error Count */
624 	kstat_named_t Mpc;	/* Missed Packet Count */
625 	kstat_named_t Scc;	/* Single Collision Count */
626 	kstat_named_t Ecol;	/* Excessive Collision Count */
627 	kstat_named_t Mcc;	/* Multiple Collision Count */
628 	kstat_named_t Latecol;	/* Late Collision Count */
629 	kstat_named_t Colc;	/* Collision Count */
630 	kstat_named_t Dc;	/* Defer Count */
631 	kstat_named_t Sec;	/* Sequence Error Count */
632 	kstat_named_t Rlec;	/* Receive Length Error Count */
633 	kstat_named_t Xonrxc;	/* XON Received Count */
634 	kstat_named_t Xontxc;	/* XON Xmitted Count */
635 	kstat_named_t Xoffrxc;	/* XOFF Received Count */
636 	kstat_named_t Xofftxc;	/* Xoff Xmitted Count */
637 	kstat_named_t Fcruc;	/* Unknown Flow Conrol Packet Rcvd Count */
638 #ifdef E1000G_DEBUG
639 	kstat_named_t Prc64;	/* Packets Received - 64b */
640 	kstat_named_t Prc127;	/* Packets Received - 65-127b */
641 	kstat_named_t Prc255;	/* Packets Received - 127-255b */
642 	kstat_named_t Prc511;	/* Packets Received - 256-511b */
643 	kstat_named_t Prc1023;	/* Packets Received - 511-1023b */
644 	kstat_named_t Prc1522;	/* Packets Received - 1024-1522b */
645 #endif
646 	kstat_named_t Gprc;	/* Good Packets Received Count */
647 	kstat_named_t Bprc;	/* Broadcasts Pkts Received Count */
648 	kstat_named_t Mprc;	/* Multicast Pkts Received Count */
649 	kstat_named_t Gptc;	/* Good Packets Xmitted Count */
650 	kstat_named_t Gorl;	/* Good Octets Recvd Lo Count */
651 	kstat_named_t Gorh;	/* Good Octets Recvd Hi Count */
652 	kstat_named_t Gotl;	/* Good Octets Xmitd Lo Count */
653 	kstat_named_t Goth;	/* Good Octets Xmitd Hi Count */
654 	kstat_named_t Rnbc;	/* Receive No Buffers Count */
655 	kstat_named_t Ruc;	/* Receive Undersize Count */
656 	kstat_named_t Rfc;	/* Receive Frag Count */
657 	kstat_named_t Roc;	/* Receive Oversize Count */
658 	kstat_named_t Rjc;	/* Receive Jabber Count */
659 	kstat_named_t Torl;	/* Total Octets Recvd Lo Count */
660 	kstat_named_t Torh;	/* Total Octets Recvd Hi Count */
661 	kstat_named_t Totl;	/* Total Octets Xmted Lo Count */
662 	kstat_named_t Toth;	/* Total Octets Xmted Hi Count */
663 	kstat_named_t Tpr;	/* Total Packets Received */
664 	kstat_named_t Tpt;	/* Total Packets Xmitted */
665 #ifdef E1000G_DEBUG
666 	kstat_named_t Ptc64;	/* Packets Xmitted (64b) */
667 	kstat_named_t Ptc127;	/* Packets Xmitted (64-127b) */
668 	kstat_named_t Ptc255;	/* Packets Xmitted (128-255b) */
669 	kstat_named_t Ptc511;	/* Packets Xmitted (255-511b) */
670 	kstat_named_t Ptc1023;	/* Packets Xmitted (512-1023b) */
671 	kstat_named_t Ptc1522;	/* Packets Xmitted (1024-1522b */
672 #endif
673 	kstat_named_t Mptc;	/* Multicast Packets Xmited Count */
674 	kstat_named_t Bptc;	/* Broadcast Packets Xmited Count */
675 	kstat_named_t Algnerrc;	/* Alignment Error count */
676 	kstat_named_t Tuc;	/* Transmit Underrun count */
677 	kstat_named_t Rxerrc;	/* Rx Error Count */
678 	kstat_named_t Tncrs;	/* Transmit with no CRS */
679 	kstat_named_t Cexterr;	/* Carrier Extension Error count */
680 	kstat_named_t Rutec;	/* Receive DMA too Early count */
681 	kstat_named_t Tsctc;	/* TCP seg contexts xmit count */
682 	kstat_named_t Tsctfc;	/* TCP seg contexts xmit fail count */
683 } e1000g_stat_t, *p_e1000g_stat_t;
684 
685 typedef struct _e1000g_tx_ring {
686 	kmutex_t tx_lock;
687 	kmutex_t freelist_lock;
688 	kmutex_t usedlist_lock;
689 	/*
690 	 * Descriptor queue definitions
691 	 */
692 	ddi_dma_handle_t tbd_dma_handle;
693 	ddi_acc_handle_t tbd_acc_handle;
694 	struct e1000_tx_desc *tbd_area;
695 	uint64_t tbd_dma_addr;
696 	struct e1000_tx_desc *tbd_first;
697 	struct e1000_tx_desc *tbd_last;
698 	struct e1000_tx_desc *tbd_oldest;
699 	struct e1000_tx_desc *tbd_next;
700 	uint32_t tbd_avail;
701 	/*
702 	 * Software packet structures definitions
703 	 */
704 	p_tx_sw_packet_t packet_area;
705 	LIST_DESCRIBER used_list;
706 	LIST_DESCRIBER free_list;
707 	/*
708 	 * TCP/UDP Context Data Information
709 	 */
710 	context_data_t pre_context;
711 	/*
712 	 * Timer definitions for 82547
713 	 */
714 	timeout_id_t timer_id_82547;
715 	boolean_t timer_enable_82547;
716 	/*
717 	 * reschedule when tx resource is available
718 	 */
719 	boolean_t resched_needed;
720 	uint32_t stall_watchdog;
721 	uint32_t recycle_fail;
722 	mblk_list_t mblks;
723 	/*
724 	 * Statistics
725 	 */
726 	uint32_t stat_no_swpkt;
727 	uint32_t stat_no_desc;
728 	uint32_t stat_send_fail;
729 	uint32_t stat_reschedule;
730 	uint32_t stat_over_size;
731 #ifdef E1000G_DEBUG
732 	uint32_t stat_under_size;
733 	uint32_t stat_exceed_frags;
734 	uint32_t stat_empty_frags;
735 	uint32_t stat_recycle;
736 	uint32_t stat_recycle_intr;
737 	uint32_t stat_recycle_retry;
738 	uint32_t stat_recycle_none;
739 	uint32_t stat_copy;
740 	uint32_t stat_bind;
741 	uint32_t stat_multi_copy;
742 	uint32_t stat_multi_cookie;
743 	uint32_t stat_lack_desc;
744 	uint32_t stat_lso_header_fail;
745 #endif
746 	/*
747 	 * Pointer to the adapter
748 	 */
749 	struct e1000g *adapter;
750 } e1000g_tx_ring_t, *pe1000g_tx_ring_t;
751 
752 typedef struct _e1000g_rx_ring {
753 	kmutex_t rx_lock;
754 	kmutex_t freelist_lock;
755 	/*
756 	 * Descriptor queue definitions
757 	 */
758 	ddi_dma_handle_t rbd_dma_handle;
759 	ddi_acc_handle_t rbd_acc_handle;
760 	struct e1000_rx_desc *rbd_area;
761 	uint64_t rbd_dma_addr;
762 	struct e1000_rx_desc *rbd_first;
763 	struct e1000_rx_desc *rbd_last;
764 	struct e1000_rx_desc *rbd_next;
765 	/*
766 	 * Software packet structures definitions
767 	 */
768 	p_rx_sw_packet_t packet_area;
769 	LIST_DESCRIBER recv_list;
770 	LIST_DESCRIBER free_list;
771 
772 	p_rx_sw_packet_t pending_list;
773 	uint32_t pending_count;
774 	uint32_t avail_freepkt;
775 	uint32_t rx_mblk_len;
776 	mblk_t *rx_mblk;
777 	mblk_t *rx_mblk_tail;
778 	/*
779 	 * Statistics
780 	 */
781 	uint32_t stat_error;
782 	uint32_t stat_esballoc_fail;
783 	uint32_t stat_allocb_fail;
784 	uint32_t stat_exceed_pkt;
785 #ifdef E1000G_DEBUG
786 	uint32_t stat_none;
787 	uint32_t stat_multi_desc;
788 	uint32_t stat_no_freepkt;
789 #endif
790 	/*
791 	 * Pointer to the adapter
792 	 */
793 	struct e1000g *adapter;
794 } e1000g_rx_ring_t, *pe1000g_rx_ring_t;
795 
796 typedef struct e1000g {
797 	int instance;
798 	dev_info_t *dip;
799 	dev_info_t *priv_dip;
800 	mac_handle_t mh;
801 	mac_resource_handle_t mrh;
802 	struct e1000_hw shared;
803 	struct e1000g_osdep osdep;
804 
805 	chip_state_t chip_state;
806 	boolean_t e1000g_promisc;
807 	boolean_t strip_crc;
808 	boolean_t rx_buffer_setup;
809 	boolean_t esb2_workaround;
810 	link_state_t link_state;
811 	uint32_t link_speed;
812 	uint32_t link_duplex;
813 	uint32_t master_latency_timer;
814 	uint32_t smartspeed;	/* smartspeed w/a counter */
815 	uint32_t init_count;
816 	uint32_t reset_count;
817 	uint32_t attach_progress;	/* attach tracking */
818 	uint32_t loopback_mode;
819 
820 	uint32_t tx_desc_num;
821 	uint32_t tx_freelist_num;
822 	uint32_t rx_desc_num;
823 	uint32_t rx_freelist_num;
824 	uint32_t tx_buffer_size;
825 	uint32_t rx_buffer_size;
826 
827 	uint32_t tx_link_down_timeout;
828 	uint32_t tx_bcopy_thresh;
829 	uint32_t rx_limit_onintr;
830 	uint32_t rx_bcopy_thresh;
831 	uint32_t rx_buf_align;
832 	uint32_t desc_align;
833 
834 	boolean_t intr_adaptive;
835 	boolean_t tx_intr_enable;
836 	uint32_t tx_recycle_thresh;
837 	uint32_t tx_recycle_num;
838 	uint32_t tx_intr_delay;
839 	uint32_t tx_intr_abs_delay;
840 	uint32_t rx_intr_delay;
841 	uint32_t rx_intr_abs_delay;
842 	uint32_t intr_throttling_rate;
843 
844 	uint32_t default_mtu;
845 	uint32_t max_frame_size;
846 	uint32_t min_frame_size;
847 
848 	boolean_t watchdog_timer_enabled;
849 	boolean_t watchdog_timer_started;
850 	timeout_id_t watchdog_tid;
851 	boolean_t link_complete;
852 	timeout_id_t link_tid;
853 
854 	e1000g_rx_ring_t rx_ring[1];
855 	e1000g_tx_ring_t tx_ring[1];
856 
857 	/*
858 	 * Rx and Tx packet count for interrupt adaptive setting
859 	 */
860 	uint32_t rx_pkt_cnt;
861 	uint32_t tx_pkt_cnt;
862 
863 	/*
864 	 * The watchdog_lock must be held when updateing the
865 	 * timeout fields in struct e1000g, that is,
866 	 * watchdog_tid, watchdog_timer_started.
867 	 */
868 	kmutex_t watchdog_lock;
869 	/*
870 	 * The link_lock protects the link fields in struct e1000g,
871 	 * such as link_state, link_speed, link_duplex, link_complete, and
872 	 * link_tid.
873 	 */
874 	kmutex_t link_lock;
875 	/*
876 	 * The chip_lock assures that the Rx/Tx process must be
877 	 * stopped while other functions change the hardware
878 	 * configuration of e1000g card, such as e1000g_reset(),
879 	 * e1000g_reset_hw() etc are executed.
880 	 */
881 	krwlock_t chip_lock;
882 
883 	boolean_t unicst_init;
884 	uint32_t unicst_avail;
885 	uint32_t unicst_total;
886 	e1000g_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
887 
888 	uint32_t mcast_count;
889 	struct ether_addr mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
890 
891 	ulong_t sys_page_sz;
892 #ifdef __sparc
893 	uint_t dvma_page_num;
894 #endif
895 
896 	boolean_t msi_enable;
897 	boolean_t tx_hcksum_enable;
898 	boolean_t lso_enable;
899 	boolean_t lso_premature_issue;
900 	int intr_type;
901 	int intr_cnt;
902 	int intr_cap;
903 	size_t intr_size;
904 	uint_t intr_pri;
905 	ddi_intr_handle_t *htable;
906 
907 	int tx_softint_pri;
908 	ddi_softint_handle_t tx_softint_handle;
909 
910 	kstat_t *e1000g_ksp;
911 
912 	uint16_t phy_ctrl;		/* contents of PHY_CTRL */
913 	uint16_t phy_status;		/* contents of PHY_STATUS */
914 	uint16_t phy_an_adv;		/* contents of PHY_AUTONEG_ADV */
915 	uint16_t phy_an_exp;		/* contents of PHY_AUTONEG_EXP */
916 	uint16_t phy_ext_status;	/* contents of PHY_EXT_STATUS */
917 	uint16_t phy_1000t_ctrl;	/* contents of PHY_1000T_CTRL */
918 	uint16_t phy_1000t_status;	/* contents of PHY_1000T_STATUS */
919 	uint16_t phy_lp_able;		/* contents of PHY_LP_ABILITY */
920 
921 	/*
922 	 * FMA capabilities
923 	 */
924 	int fm_capabilities;
925 
926 	uint32_t	param_en_1000fdx:1,
927 			param_en_1000hdx:1,
928 			param_en_100fdx:1,
929 			param_en_100hdx:1,
930 			param_en_10fdx:1,
931 			param_en_10hdx:1,
932 			param_autoneg_cap:1,
933 			param_pause_cap:1,
934 			param_asym_pause_cap:1,
935 			param_1000fdx_cap:1,
936 			param_1000hdx_cap:1,
937 			param_100t4_cap:1,
938 			param_100fdx_cap:1,
939 			param_100hdx_cap:1,
940 			param_10fdx_cap:1,
941 			param_10hdx_cap:1,
942 			param_adv_autoneg:1,
943 			param_adv_pause:1,
944 			param_adv_asym_pause:1,
945 			param_adv_1000fdx:1,
946 			param_adv_1000hdx:1,
947 			param_adv_100t4:1,
948 			param_adv_100fdx:1,
949 			param_adv_100hdx:1,
950 			param_adv_10fdx:1,
951 			param_adv_10hdx:1,
952 			param_lp_autoneg:1,
953 			param_lp_pause:1,
954 			param_lp_asym_pause:1,
955 			param_lp_1000fdx:1,
956 			param_lp_1000hdx:1,
957 			param_lp_100t4:1;
958 
959 	uint32_t	param_lp_100fdx:1,
960 			param_lp_100hdx:1,
961 			param_lp_10fdx:1,
962 			param_lp_10hdx:1,
963 			param_pad_to_32:28;
964 
965 } e1000g_t;
966 
967 
968 /*
969  * Function prototypes
970  */
971 int e1000g_alloc_dma_resources(struct e1000g *Adapter);
972 void e1000g_release_dma_resources(struct e1000g *Adapter);
973 void e1000g_free_rx_sw_packet(p_rx_sw_packet_t packet);
974 void e1000g_tx_setup(struct e1000g *Adapter);
975 void e1000g_rx_setup(struct e1000g *Adapter);
976 void e1000g_setup_multicast(struct e1000g *Adapter);
977 
978 int e1000g_recycle(e1000g_tx_ring_t *tx_ring);
979 void e1000g_free_tx_swpkt(p_tx_sw_packet_t packet);
980 void e1000g_tx_freemsg(e1000g_tx_ring_t *tx_ring);
981 uint_t e1000g_tx_softint_worker(caddr_t arg1, caddr_t arg2);
982 mblk_t *e1000g_m_tx(void *arg, mblk_t *mp);
983 mblk_t *e1000g_receive(struct e1000g *Adapter);
984 void e1000g_rxfree_func(p_rx_sw_packet_t packet);
985 
986 int e1000g_m_stat(void *arg, uint_t stat, uint64_t *val);
987 int e1000g_init_stats(struct e1000g *Adapter);
988 void e1000_tbi_adjust_stats(struct e1000g *Adapter,
989     uint32_t frame_len, uint8_t *mac_addr);
990 
991 void e1000g_clear_interrupt(struct e1000g *Adapter);
992 void e1000g_mask_interrupt(struct e1000g *Adapter);
993 void e1000g_clear_all_interrupts(struct e1000g *Adapter);
994 void e1000g_clear_tx_interrupt(struct e1000g *Adapter);
995 void e1000g_mask_tx_interrupt(struct e1000g *Adapter);
996 void phy_spd_state(struct e1000_hw *hw, boolean_t enable);
997 void e1000_enable_pciex_master(struct e1000_hw *hw);
998 int e1000g_check_acc_handle(ddi_acc_handle_t handle);
999 int e1000g_check_dma_handle(ddi_dma_handle_t handle);
1000 void e1000g_fm_ereport(struct e1000g *Adapter, char *detail);
1001 void e1000g_set_fma_flags(struct e1000g *Adapter, int acc_flag, int dma_flag);
1002 int e1000g_reset_link(struct e1000g *Adapter);
1003 
1004 /*
1005  * Global variables
1006  */
1007 extern boolean_t e1000g_force_detach;
1008 extern uint32_t e1000g_mblks_pending;
1009 extern krwlock_t e1000g_rx_detach_lock;
1010 extern private_devi_list_t *e1000g_private_devi_list;
1011 
1012 #ifdef __cplusplus
1013 }
1014 #endif
1015 
1016 #endif	/* _E1000G_SW_H */
1017