xref: /titanic_50/usr/src/uts/common/io/e1000g/e1000g_sw.h (revision 0373a3df1f0034861e6d4551f43396675f5784f2)
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_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 #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 
118 #define	MIN_NUM_TX_DESCRIPTOR		80
119 #define	MIN_NUM_RX_DESCRIPTOR		80
120 #define	MIN_NUM_RX_FREELIST		64
121 #define	MIN_NUM_TX_FREELIST		80
122 #define	MIN_RX_LIMIT_ON_INTR		16
123 #define	MIN_RX_INTR_DELAY		0
124 #define	MIN_RX_INTR_ABS_DELAY		0
125 #define	MIN_TX_INTR_DELAY		0
126 #define	MIN_TX_INTR_ABS_DELAY		0
127 #define	MIN_INTR_THROTTLING		0
128 #define	MIN_RX_BCOPY_THRESHOLD		0
129 #define	MIN_TX_BCOPY_THRESHOLD		ETHERMIN
130 
131 #define	DEFAULT_NUM_RX_DESCRIPTOR	2048
132 #define	DEFAULT_NUM_TX_DESCRIPTOR	2048
133 #define	DEFAULT_NUM_RX_FREELIST		4096
134 #define	DEFAULT_NUM_TX_FREELIST		2304
135 #define	DEFAULT_RX_LIMIT_ON_INTR	128
136 
137 #ifdef __sparc
138 #define	MAX_INTR_PER_SEC		7100
139 #define	MIN_INTR_PER_SEC		3000
140 #define	DEFAULT_INTR_PACKET_LOW		5
141 #define	DEFAULT_INTR_PACKET_HIGH	128
142 #else
143 #define	MAX_INTR_PER_SEC		15000
144 #define	MIN_INTR_PER_SEC		4000
145 #define	DEFAULT_INTR_PACKET_LOW		10
146 #define	DEFAULT_INTR_PACKET_HIGH	48
147 #endif
148 
149 #define	DEFAULT_RX_INTR_DELAY		0
150 #define	DEFAULT_RX_INTR_ABS_DELAY	64
151 #define	DEFAULT_TX_INTR_DELAY		64
152 #define	DEFAULT_TX_INTR_ABS_DELAY	64
153 #define	DEFAULT_INTR_THROTTLING_HIGH    1000000000/(MIN_INTR_PER_SEC*256)
154 #define	DEFAULT_INTR_THROTTLING_LOW	1000000000/(MAX_INTR_PER_SEC*256)
155 #define	DEFAULT_INTR_THROTTLING		DEFAULT_INTR_THROTTLING_LOW
156 
157 #define	DEFAULT_RX_BCOPY_THRESHOLD	128
158 #define	DEFAULT_TX_BCOPY_THRESHOLD	512
159 #define	DEFAULT_TX_UPDATE_THRESHOLD	256
160 #define	DEFAULT_TX_NO_RESOURCE		MAX_TX_DESC_PER_PACKET
161 
162 #define	DEFAULT_TX_INTR_ENABLE		1
163 #define	DEFAULT_FLOW_CONTROL		3
164 #define	DEFAULT_MASTER_LATENCY_TIMER	0	/* BIOS should decide */
165 						/* which is normally 0x040 */
166 #define	DEFAULT_TBI_COMPAT_ENABLE	1	/* Enable SBP workaround */
167 #define	DEFAULT_MSI_ENABLE		1	/* MSI Enable */
168 #define	DEFAULT_TX_HCKSUM_ENABLE	1	/* Hardware checksum enable */
169 #define	DEFAULT_LSO_ENABLE		1	/* LSO enable */
170 
171 #define	TX_DRAIN_TIME		(200)	/* # milliseconds xmit drain */
172 
173 /*
174  * The size of the receive/transmite buffers
175  */
176 #define	E1000_RX_BUFFER_SIZE_2K		(2048)
177 #define	E1000_RX_BUFFER_SIZE_4K		(4096)
178 #define	E1000_RX_BUFFER_SIZE_8K		(8192)
179 #define	E1000_RX_BUFFER_SIZE_16K	(16384)
180 
181 #define	E1000_TX_BUFFER_SIZE_2K		(2048)
182 #define	E1000_TX_BUFFER_SIZE_4K		(4096)
183 #define	E1000_TX_BUFFER_SIZE_8K		(8192)
184 #define	E1000_TX_BUFFER_SIZE_16K	(16384)
185 
186 #define	E1000_TX_BUFFER_OEVRRUN_THRESHOLD	(2015)
187 
188 #define	E1000G_RX_SW_FREE		0x0
189 #define	E1000G_RX_SW_SENDUP		0x1
190 #define	E1000G_RX_SW_STOP		0x2
191 #define	E1000G_RX_SW_DETACH		0x3
192 
193 /*
194  * definitions for smartspeed workaround
195  */
196 #define	  E1000_SMARTSPEED_MAX		30	/* 30 watchdog iterations */
197 						/* or 30 seconds */
198 #define	  E1000_SMARTSPEED_DOWNSHIFT	6	/* 6 watchdog iterations */
199 						/* or 6 seconds */
200 
201 /*
202  * Definitions for module_info.
203  */
204 #define	 WSNAME			"e1000g"	/* module name */
205 
206 /*
207  * Defined for IP header alignment. We also need to preserve space for
208  * VLAN tag (4 bytes)
209  */
210 #define	E1000G_IPALIGNROOM		6
211 #define	E1000G_IPALIGNPRESERVEROOM	64
212 
213 /*
214  * bit flags for 'attach_progress' which is a member variable in struct e1000g
215  */
216 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
217 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
218 #define	ATTACH_PROGRESS_SETUP		0x0004	/* Setup driver parameters */
219 #define	ATTACH_PROGRESS_ADD_INTR	0x0008	/* Interrupt added */
220 #define	ATTACH_PROGRESS_LOCKS		0x0010	/* Locks initialized */
221 #define	ATTACH_PROGRESS_SOFT_INTR	0x0020	/* Soft interrupt added */
222 #define	ATTACH_PROGRESS_KSTATS		0x0040	/* Kstats created */
223 #define	ATTACH_PROGRESS_ALLOC		0x0080	/* DMA resources allocated */
224 #define	ATTACH_PROGRESS_INIT		0x0100	/* Driver initialization */
225 /* 0200 used to be PROGRESS_NDD. Now unused */
226 #define	ATTACH_PROGRESS_MAC		0x0400	/* MAC registered */
227 #define	ATTACH_PROGRESS_ENABLE_INTR	0x0800	/* DDI interrupts enabled */
228 #define	ATTACH_PROGRESS_FMINIT		0x1000	/* FMA initiated */
229 
230 /*
231  * Speed and Duplex Settings
232  */
233 #define	GDIAG_10_HALF		1
234 #define	GDIAG_10_FULL		2
235 #define	GDIAG_100_HALF		3
236 #define	GDIAG_100_FULL		4
237 #define	GDIAG_1000_FULL		6
238 #define	GDIAG_ANY		7
239 
240 /*
241  * Coexist Workaround RP: 07/04/03
242  * 82544 Workaround : Co-existence
243  */
244 #define	MAX_TX_BUF_SIZE		(8 * 1024)
245 
246 /*
247  * Defines for Jumbo Frame
248  */
249 #define	FRAME_SIZE_UPTO_2K	2048
250 #define	FRAME_SIZE_UPTO_4K	4096
251 #define	FRAME_SIZE_UPTO_8K	8192
252 #define	FRAME_SIZE_UPTO_16K	16384
253 #define	FRAME_SIZE_UPTO_9K	9234
254 
255 #define	MAXIMUM_MTU		9000
256 #define	DEFAULT_MTU		ETHERMTU
257 
258 #define	DEFAULT_FRAME_SIZE	\
259 	(DEFAULT_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
260 #define	MAXIMUM_FRAME_SIZE	\
261 	(MAXIMUM_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
262 
263 #define	E1000_LSO_MAXLEN	65535
264 
265 /* Defines for Tx stall check */
266 #define	E1000G_STALL_WATCHDOG_COUNT	8
267 
268 #define	MAX_TX_LINK_DOWN_TIMEOUT	8
269 
270 /* Defines for DVMA */
271 #ifdef __sparc
272 #define	E1000G_DEFAULT_DVMA_PAGE_NUM	2
273 #endif
274 
275 /*
276  * Loopback definitions
277  */
278 #define	E1000G_LB_NONE			0
279 #define	E1000G_LB_EXTERNAL_1000		1
280 #define	E1000G_LB_EXTERNAL_100		2
281 #define	E1000G_LB_EXTERNAL_10		3
282 #define	E1000G_LB_INTERNAL_PHY		4
283 
284 /*
285  * Private dip list definitions
286  */
287 #define	E1000G_PRIV_DEVI_ATTACH	0x0
288 #define	E1000G_PRIV_DEVI_DETACH	0x1
289 
290 /*
291  * Tx descriptor LENGTH field mask
292  */
293 #define	E1000G_TBD_LENGTH_MASK		0x000fffff
294 
295 /*
296  * QUEUE_INIT_LIST -- Macro which will init ialize a queue to NULL.
297  */
298 #define	QUEUE_INIT_LIST(_LH)	\
299 	(_LH)->Flink = (_LH)->Blink = (PSINGLE_LIST_LINK)0
300 
301 /*
302  * IS_QUEUE_EMPTY -- Macro which checks to see if a queue is empty.
303  */
304 #define	IS_QUEUE_EMPTY(_LH)	\
305 	((_LH)->Flink == (PSINGLE_LIST_LINK)0)
306 
307 /*
308  * QUEUE_GET_HEAD -- Macro which returns the head of the queue, but does
309  * not remove the head from the queue.
310  */
311 #define	QUEUE_GET_HEAD(_LH)	((PSINGLE_LIST_LINK)((_LH)->Flink))
312 
313 /*
314  * QUEUE_REMOVE_HEAD -- Macro which removes the head of the head of a queue.
315  */
316 #define	QUEUE_REMOVE_HEAD(_LH)	\
317 { \
318 	PSINGLE_LIST_LINK ListElem; \
319 	if (ListElem = (_LH)->Flink) \
320 	{ \
321 		if (!((_LH)->Flink = ListElem->Flink)) \
322 			(_LH)->Blink = (PSINGLE_LIST_LINK) 0; \
323 	} \
324 }
325 
326 /*
327  * QUEUE_POP_HEAD -- Macro which  will pop the head off of a queue (list),
328  *	and return it (this differs from QUEUE_REMOVE_HEAD only in
329  *	the 1st line).
330  */
331 #define	QUEUE_POP_HEAD(_LH)	\
332 	(PSINGLE_LIST_LINK)(_LH)->Flink; \
333 	{ \
334 		PSINGLE_LIST_LINK ListElem; \
335 		ListElem = (_LH)->Flink; \
336 		if (ListElem) \
337 		{ \
338 			(_LH)->Flink = ListElem->Flink; \
339 			if (!(_LH)->Flink) \
340 				(_LH)->Blink = (PSINGLE_LIST_LINK)0; \
341 		} \
342 	}
343 
344 /*
345  * QUEUE_GET_TAIL -- Macro which returns the tail of the queue, but does not
346  *	remove the tail from the queue.
347  */
348 #define	QUEUE_GET_TAIL(_LH)	((PSINGLE_LIST_LINK)((_LH)->Blink))
349 
350 /*
351  * QUEUE_PUSH_TAIL -- Macro which puts an element at the tail (end) of the queue
352  */
353 #define	QUEUE_PUSH_TAIL(_LH, _E)	\
354 	if ((_LH)->Blink) \
355 	{ \
356 		((PSINGLE_LIST_LINK)(_LH)->Blink)->Flink = \
357 			(PSINGLE_LIST_LINK)(_E); \
358 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
359 	} else { \
360 		(_LH)->Flink = \
361 			(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
362 	} \
363 	(_E)->Flink = (PSINGLE_LIST_LINK)0;
364 
365 /*
366  * QUEUE_PUSH_HEAD -- Macro which puts an element at the head of the queue.
367  */
368 #define	QUEUE_PUSH_HEAD(_LH, _E)	\
369 	if (!((_E)->Flink = (_LH)->Flink)) \
370 	{ \
371 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
372 	} \
373 	(_LH)->Flink = (PSINGLE_LIST_LINK)(_E);
374 
375 /*
376  * QUEUE_GET_NEXT -- Macro which returns the next element linked to the
377  *	current element.
378  */
379 #define	QUEUE_GET_NEXT(_LH, _E)		\
380 	(PSINGLE_LIST_LINK)((((_LH)->Blink) == (_E)) ? \
381 	(0) : ((_E)->Flink))
382 
383 /*
384  * QUEUE_APPEND -- Macro which appends a queue to the tail of another queue
385  */
386 #define	QUEUE_APPEND(_LH1, _LH2)	\
387 	if ((_LH2)->Flink) { \
388 		if ((_LH1)->Flink) { \
389 			((PSINGLE_LIST_LINK)(_LH1)->Blink)->Flink = \
390 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
391 		} else { \
392 			(_LH1)->Flink = \
393 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
394 		} \
395 		(_LH1)->Blink = ((PSINGLE_LIST_LINK)(_LH2)->Blink); \
396 	}
397 
398 
399 #define	QUEUE_SWITCH(_LH1, _LH2)					\
400 	if ((_LH2)->Flink) { 						\
401 		(_LH1)->Flink = (_LH2)->Flink;				\
402 		(_LH1)->Blink = (_LH2)->Blink;				\
403 		(_LH2)->Flink = (_LH2)->Blink = (PSINGLE_LIST_LINK)0;	\
404 	}
405 
406 /*
407  * Property lookups
408  */
409 #define	E1000G_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
410 						DDI_PROP_DONTPASS, (n))
411 #define	E1000G_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
412 						DDI_PROP_DONTPASS, (n), -1)
413 
414 #ifdef E1000G_DEBUG
415 /*
416  * E1000G-specific ioctls ...
417  */
418 #define	E1000G_IOC		((((((('E' << 4) + '1') << 4) \
419 				+ 'K') << 4) + 'G') << 4)
420 
421 /*
422  * These diagnostic IOCTLS are enabled only in DEBUG drivers
423  */
424 #define	E1000G_IOC_REG_PEEK	(E1000G_IOC | 1)
425 #define	E1000G_IOC_REG_POKE	(E1000G_IOC | 2)
426 #define	E1000G_IOC_CHIP_RESET	(E1000G_IOC | 3)
427 
428 #define	E1000G_PP_SPACE_REG	0	/* PCI memory space	*/
429 #define	E1000G_PP_SPACE_E1000G	1	/* driver's soft state	*/
430 
431 typedef struct {
432 	uint64_t pp_acc_size;	/* It's 1, 2, 4 or 8	*/
433 	uint64_t pp_acc_space;	/* See #defines below	*/
434 	uint64_t pp_acc_offset;	/* See regs definition	*/
435 	uint64_t pp_acc_data;	/* output for peek	*/
436 				/* input for poke	*/
437 } e1000g_peekpoke_t;
438 #endif	/* E1000G_DEBUG */
439 
440 /*
441  * (Internal) return values from ioctl subroutines
442  */
443 enum ioc_reply {
444 	IOC_INVAL = -1,		/* bad, NAK with EINVAL	*/
445 	IOC_DONE,		/* OK, reply sent	*/
446 	IOC_ACK,		/* OK, just send ACK	*/
447 	IOC_REPLY		/* OK, just send reply	*/
448 };
449 
450 /*
451  * Named Data (ND) Parameter Management Structure
452  */
453 typedef struct {
454 	uint32_t ndp_info;
455 	uint32_t ndp_min;
456 	uint32_t ndp_max;
457 	uint32_t ndp_val;
458 	struct e1000g *ndp_instance;
459 	char *ndp_name;
460 } nd_param_t;
461 
462 /*
463  * The entry of the private dip list
464  */
465 typedef struct _private_devi_list {
466 	dev_info_t *priv_dip;
467 	uint16_t flag;
468 	struct _private_devi_list *next;
469 } private_devi_list_t;
470 
471 /*
472  * A structure that points to the next entry in the queue.
473  */
474 typedef struct _SINGLE_LIST_LINK {
475 	struct _SINGLE_LIST_LINK *Flink;
476 } SINGLE_LIST_LINK, *PSINGLE_LIST_LINK;
477 
478 /*
479  * A "ListHead" structure that points to the head and tail of a queue
480  */
481 typedef struct _LIST_DESCRIBER {
482 	struct _SINGLE_LIST_LINK *volatile Flink;
483 	struct _SINGLE_LIST_LINK *volatile Blink;
484 } LIST_DESCRIBER, *PLIST_DESCRIBER;
485 
486 /*
487  * Address-Length pair structure that stores descriptor info
488  */
489 typedef struct _sw_desc {
490 	uint64_t address;
491 	uint32_t length;
492 } sw_desc_t, *p_sw_desc_t;
493 
494 typedef struct _desc_array {
495 	sw_desc_t descriptor[4];
496 	uint32_t elements;
497 } desc_array_t, *p_desc_array_t;
498 
499 typedef enum {
500 	USE_NONE,
501 	USE_BCOPY,
502 	USE_DVMA,
503 	USE_DMA
504 } dma_type_t;
505 
506 typedef enum {
507 	E1000G_STOP,
508 	E1000G_START,
509 	E1000G_ERROR
510 } chip_state_t;
511 
512 typedef struct _dma_buffer {
513 	caddr_t address;
514 	uint64_t dma_address;
515 	ddi_acc_handle_t acc_handle;
516 	ddi_dma_handle_t dma_handle;
517 	size_t size;
518 	size_t len;
519 } dma_buffer_t, *p_dma_buffer_t;
520 
521 /*
522  * Transmit Control Block (TCB), Ndis equiv of SWPacket This
523  * structure stores the additional information that is
524  * associated with every packet to be transmitted. It stores the
525  * message block pointer and the TBD addresses associated with
526  * the m_blk and also the link to the next tcb in the chain
527  */
528 typedef struct _tx_sw_packet {
529 	/* Link to the next tx_sw_packet in the list */
530 	SINGLE_LIST_LINK Link;
531 	mblk_t *mp;
532 	uint32_t num_desc;
533 	uint32_t num_mblk_frag;
534 	dma_type_t dma_type;
535 	dma_type_t data_transfer_type;
536 	ddi_dma_handle_t tx_dma_handle;
537 	dma_buffer_t tx_buf[1];
538 	sw_desc_t desc[MAX_TX_DESC_PER_PACKET];
539 } tx_sw_packet_t, *p_tx_sw_packet_t;
540 
541 /*
542  * This structure is similar to the rx_sw_packet structure used
543  * for Ndis. This structure stores information about the 2k
544  * aligned receive buffer into which the FX1000 DMA's frames.
545  * This structure is maintained as a linked list of many
546  * receiver buffer pointers.
547  */
548 typedef struct _rx_sw_packet {
549 	/* Link to the next rx_sw_packet_t in the list */
550 	SINGLE_LIST_LINK Link;
551 	struct _rx_sw_packet *next;
552 	uint16_t flag;
553 	mblk_t *mp;
554 	caddr_t rx_ring;
555 	dma_type_t dma_type;
556 	frtn_t free_rtn;
557 	dma_buffer_t rx_buf[1];
558 } rx_sw_packet_t, *p_rx_sw_packet_t;
559 
560 typedef struct _mblk_list {
561 	mblk_t *head;
562 	mblk_t *tail;
563 } mblk_list_t, *p_mblk_list_t;
564 
565 typedef struct _context_data {
566 	uint32_t ether_header_size;
567 	uint32_t cksum_flags;
568 	uint32_t cksum_start;
569 	uint32_t cksum_stuff;
570 	uint16_t mss;
571 	uint8_t hdr_len;
572 	uint32_t pay_len;
573 	boolean_t lso_flag;
574 } context_data_t;
575 
576 typedef union _e1000g_ether_addr {
577 	struct {
578 		uint32_t high;
579 		uint32_t low;
580 	} reg;
581 	struct {
582 		uint8_t set;
583 		uint8_t redundant;
584 		uint8_t addr[ETHERADDRL];
585 	} mac;
586 } e1000g_ether_addr_t;
587 
588 typedef struct _e1000g_stat {
589 
590 	kstat_named_t link_speed;	/* Link Speed */
591 	kstat_named_t reset_count;	/* Reset Count */
592 
593 	kstat_named_t rx_error;		/* Rx Error in Packet */
594 	kstat_named_t rx_esballoc_fail;	/* Rx Desballoc Failure */
595 	kstat_named_t rx_allocb_fail;	/* Rx Allocb Failure */
596 
597 	kstat_named_t tx_no_desc;	/* Tx No Desc */
598 	kstat_named_t tx_no_swpkt;	/* Tx No Pkt Buffer */
599 	kstat_named_t tx_send_fail;	/* Tx SendPkt Failure */
600 	kstat_named_t tx_over_size;	/* Tx Pkt Too Long */
601 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
602 
603 #ifdef E1000G_DEBUG
604 	kstat_named_t rx_none;		/* Rx No Incoming Data */
605 	kstat_named_t rx_multi_desc;	/* Rx Multi Spanned Pkt */
606 	kstat_named_t rx_no_freepkt;	/* Rx No Free Pkt */
607 	kstat_named_t rx_avail_freepkt;	/* Rx Freelist Avail Buffers */
608 
609 	kstat_named_t tx_under_size;	/* Tx Packet Under Size */
610 	kstat_named_t tx_empty_frags;	/* Tx Empty Frags */
611 	kstat_named_t tx_exceed_frags;	/* Tx Exceed Max Frags */
612 	kstat_named_t tx_recycle;	/* Tx Recycle */
613 	kstat_named_t tx_recycle_intr;	/* Tx Recycle in Intr */
614 	kstat_named_t tx_recycle_retry;	/* Tx Recycle Retry */
615 	kstat_named_t tx_recycle_none;	/* Tx No Desc Recycled */
616 	kstat_named_t tx_copy;		/* Tx Send Copy */
617 	kstat_named_t tx_bind;		/* Tx Send Bind */
618 	kstat_named_t tx_multi_copy;	/* Tx Copy Multi Fragments */
619 	kstat_named_t tx_multi_cookie;	/* Tx Pkt Span Multi Cookies */
620 	kstat_named_t tx_lack_desc;	/* Tx Lack of Desc */
621 #endif
622 
623 	kstat_named_t Crcerrs;	/* CRC Error Count */
624 	kstat_named_t Symerrs;	/* Symbol Error Count */
625 	kstat_named_t Mpc;	/* Missed Packet Count */
626 	kstat_named_t Scc;	/* Single Collision Count */
627 	kstat_named_t Ecol;	/* Excessive Collision Count */
628 	kstat_named_t Mcc;	/* Multiple Collision Count */
629 	kstat_named_t Latecol;	/* Late Collision Count */
630 	kstat_named_t Colc;	/* Collision Count */
631 	kstat_named_t Dc;	/* Defer Count */
632 	kstat_named_t Sec;	/* Sequence Error Count */
633 	kstat_named_t Rlec;	/* Receive Length Error Count */
634 	kstat_named_t Xonrxc;	/* XON Received Count */
635 	kstat_named_t Xontxc;	/* XON Xmitted Count */
636 	kstat_named_t Xoffrxc;	/* XOFF Received Count */
637 	kstat_named_t Xofftxc;	/* Xoff Xmitted Count */
638 	kstat_named_t Fcruc;	/* Unknown Flow Conrol Packet Rcvd Count */
639 #ifdef E1000G_DEBUG
640 	kstat_named_t Prc64;	/* Packets Received - 64b */
641 	kstat_named_t Prc127;	/* Packets Received - 65-127b */
642 	kstat_named_t Prc255;	/* Packets Received - 127-255b */
643 	kstat_named_t Prc511;	/* Packets Received - 256-511b */
644 	kstat_named_t Prc1023;	/* Packets Received - 511-1023b */
645 	kstat_named_t Prc1522;	/* Packets Received - 1024-1522b */
646 #endif
647 	kstat_named_t Gprc;	/* Good Packets Received Count */
648 	kstat_named_t Bprc;	/* Broadcasts Pkts Received Count */
649 	kstat_named_t Mprc;	/* Multicast Pkts Received Count */
650 	kstat_named_t Gptc;	/* Good Packets Xmitted Count */
651 	kstat_named_t Gorl;	/* Good Octets Recvd Lo Count */
652 	kstat_named_t Gorh;	/* Good Octets Recvd Hi Count */
653 	kstat_named_t Gotl;	/* Good Octets Xmitd Lo Count */
654 	kstat_named_t Goth;	/* Good Octets Xmitd Hi Count */
655 	kstat_named_t Rnbc;	/* Receive No Buffers Count */
656 	kstat_named_t Ruc;	/* Receive Undersize Count */
657 	kstat_named_t Rfc;	/* Receive Frag Count */
658 	kstat_named_t Roc;	/* Receive Oversize Count */
659 	kstat_named_t Rjc;	/* Receive Jabber Count */
660 	kstat_named_t Torl;	/* Total Octets Recvd Lo Count */
661 	kstat_named_t Torh;	/* Total Octets Recvd Hi Count */
662 	kstat_named_t Totl;	/* Total Octets Xmted Lo Count */
663 	kstat_named_t Toth;	/* Total Octets Xmted Hi Count */
664 	kstat_named_t Tpr;	/* Total Packets Received */
665 	kstat_named_t Tpt;	/* Total Packets Xmitted */
666 #ifdef E1000G_DEBUG
667 	kstat_named_t Ptc64;	/* Packets Xmitted (64b) */
668 	kstat_named_t Ptc127;	/* Packets Xmitted (64-127b) */
669 	kstat_named_t Ptc255;	/* Packets Xmitted (128-255b) */
670 	kstat_named_t Ptc511;	/* Packets Xmitted (255-511b) */
671 	kstat_named_t Ptc1023;	/* Packets Xmitted (512-1023b) */
672 	kstat_named_t Ptc1522;	/* Packets Xmitted (1024-1522b */
673 #endif
674 	kstat_named_t Mptc;	/* Multicast Packets Xmited Count */
675 	kstat_named_t Bptc;	/* Broadcast Packets Xmited Count */
676 	kstat_named_t Algnerrc;	/* Alignment Error count */
677 	kstat_named_t Tuc;	/* Transmit Underrun count */
678 	kstat_named_t Rxerrc;	/* Rx Error Count */
679 	kstat_named_t Tncrs;	/* Transmit with no CRS */
680 	kstat_named_t Cexterr;	/* Carrier Extension Error count */
681 	kstat_named_t Rutec;	/* Receive DMA too Early count */
682 	kstat_named_t Tsctc;	/* TCP seg contexts xmit count */
683 	kstat_named_t Tsctfc;	/* TCP seg contexts xmit fail count */
684 } e1000g_stat_t, *p_e1000g_stat_t;
685 
686 typedef struct _e1000g_tx_ring {
687 	kmutex_t tx_lock;
688 	kmutex_t freelist_lock;
689 	kmutex_t usedlist_lock;
690 	/*
691 	 * Descriptor queue definitions
692 	 */
693 	ddi_dma_handle_t tbd_dma_handle;
694 	ddi_acc_handle_t tbd_acc_handle;
695 	struct e1000_tx_desc *tbd_area;
696 	uint64_t tbd_dma_addr;
697 	struct e1000_tx_desc *tbd_first;
698 	struct e1000_tx_desc *tbd_last;
699 	struct e1000_tx_desc *tbd_oldest;
700 	struct e1000_tx_desc *tbd_next;
701 	uint32_t tbd_avail;
702 	/*
703 	 * Software packet structures definitions
704 	 */
705 	p_tx_sw_packet_t packet_area;
706 	LIST_DESCRIBER used_list;
707 	LIST_DESCRIBER free_list;
708 	/*
709 	 * TCP/UDP Context Data Information
710 	 */
711 	context_data_t pre_context;
712 	/*
713 	 * Timer definitions for 82547
714 	 */
715 	timeout_id_t timer_id_82547;
716 	boolean_t timer_enable_82547;
717 	/*
718 	 * reschedule when tx resource is available
719 	 */
720 	boolean_t resched_needed;
721 	clock_t resched_timestamp;
722 	uint32_t stall_watchdog;
723 	uint32_t recycle_fail;
724 	mblk_list_t mblks;
725 	/*
726 	 * Statistics
727 	 */
728 	uint32_t stat_no_swpkt;
729 	uint32_t stat_no_desc;
730 	uint32_t stat_send_fail;
731 	uint32_t stat_reschedule;
732 	uint32_t stat_timer_reschedule;
733 	uint32_t stat_over_size;
734 #ifdef E1000G_DEBUG
735 	uint32_t stat_under_size;
736 	uint32_t stat_exceed_frags;
737 	uint32_t stat_empty_frags;
738 	uint32_t stat_recycle;
739 	uint32_t stat_recycle_intr;
740 	uint32_t stat_recycle_retry;
741 	uint32_t stat_recycle_none;
742 	uint32_t stat_copy;
743 	uint32_t stat_bind;
744 	uint32_t stat_multi_copy;
745 	uint32_t stat_multi_cookie;
746 	uint32_t stat_lack_desc;
747 	uint32_t stat_lso_header_fail;
748 #endif
749 	/*
750 	 * Pointer to the adapter
751 	 */
752 	struct e1000g *adapter;
753 } e1000g_tx_ring_t, *pe1000g_tx_ring_t;
754 
755 typedef struct _e1000g_rx_ring {
756 	kmutex_t rx_lock;
757 	kmutex_t freelist_lock;
758 	kmutex_t recycle_lock;
759 	/*
760 	 * Descriptor queue definitions
761 	 */
762 	ddi_dma_handle_t rbd_dma_handle;
763 	ddi_acc_handle_t rbd_acc_handle;
764 	struct e1000_rx_desc *rbd_area;
765 	uint64_t rbd_dma_addr;
766 	struct e1000_rx_desc *rbd_first;
767 	struct e1000_rx_desc *rbd_last;
768 	struct e1000_rx_desc *rbd_next;
769 	/*
770 	 * Software packet structures definitions
771 	 */
772 	p_rx_sw_packet_t packet_area;
773 	LIST_DESCRIBER recv_list;
774 	LIST_DESCRIBER free_list;
775 	LIST_DESCRIBER recycle_list;
776 
777 	p_rx_sw_packet_t pending_list;
778 	uint32_t pending_count;
779 	uint32_t avail_freepkt;
780 	uint32_t recycle_freepkt;
781 	uint32_t rx_mblk_len;
782 	mblk_t *rx_mblk;
783 	mblk_t *rx_mblk_tail;
784 	mac_ring_handle_t mrh;
785 	mac_ring_handle_t mrh_init;
786 	uint64_t ring_gen_num;
787 	mblk_t *poll_list_head;
788 	mblk_t *poll_list_tail;
789 	uint_t poll_list_sz;
790 	boolean_t poll_flag;
791 
792 	/*
793 	 * Statistics
794 	 */
795 	uint32_t stat_error;
796 	uint32_t stat_esballoc_fail;
797 	uint32_t stat_allocb_fail;
798 	uint32_t stat_exceed_pkt;
799 #ifdef E1000G_DEBUG
800 	uint32_t stat_none;
801 	uint32_t stat_multi_desc;
802 	uint32_t stat_no_freepkt;
803 #endif
804 	/*
805 	 * Pointer to the adapter
806 	 */
807 	struct e1000g *adapter;
808 } e1000g_rx_ring_t, *pe1000g_rx_ring_t;
809 
810 typedef struct e1000g {
811 	int instance;
812 	dev_info_t *dip;
813 	dev_info_t *priv_dip;
814 	mac_handle_t mh;
815 	mac_resource_handle_t mrh;
816 	struct e1000_hw shared;
817 	struct e1000g_osdep osdep;
818 
819 	chip_state_t chip_state;
820 	boolean_t e1000g_promisc;
821 	boolean_t strip_crc;
822 	boolean_t rx_buffer_setup;
823 	boolean_t esb2_workaround;
824 	link_state_t link_state;
825 	uint32_t link_speed;
826 	uint32_t link_duplex;
827 	uint32_t master_latency_timer;
828 	uint32_t smartspeed;	/* smartspeed w/a counter */
829 	uint32_t init_count;
830 	uint32_t reset_count;
831 	uint32_t attach_progress;	/* attach tracking */
832 	uint32_t loopback_mode;
833 
834 	uint32_t tx_desc_num;
835 	uint32_t tx_freelist_num;
836 	uint32_t rx_desc_num;
837 	uint32_t rx_freelist_num;
838 	uint32_t tx_buffer_size;
839 	uint32_t rx_buffer_size;
840 
841 	uint32_t tx_link_down_timeout;
842 	uint32_t tx_bcopy_thresh;
843 	uint32_t rx_limit_onintr;
844 	uint32_t rx_bcopy_thresh;
845 	uint32_t rx_buf_align;
846 	uint32_t desc_align;
847 
848 	boolean_t intr_adaptive;
849 	boolean_t tx_intr_enable;
850 	uint32_t tx_intr_delay;
851 	uint32_t tx_intr_abs_delay;
852 	uint32_t rx_intr_delay;
853 	uint32_t rx_intr_abs_delay;
854 	uint32_t intr_throttling_rate;
855 
856 	uint32_t default_mtu;
857 	uint32_t max_frame_size;
858 	uint32_t min_frame_size;
859 
860 	boolean_t watchdog_timer_enabled;
861 	boolean_t watchdog_timer_started;
862 	timeout_id_t watchdog_tid;
863 	boolean_t link_complete;
864 	timeout_id_t link_tid;
865 
866 	e1000g_rx_ring_t rx_ring[1];
867 	e1000g_tx_ring_t tx_ring[1];
868 	mac_group_handle_t rx_group;
869 
870 	kmutex_t gen_lock; /* General lock for the whole struct e1000g */
871 
872 	/*
873 	 * Rx and Tx packet count for interrupt adaptive setting
874 	 */
875 	uint32_t rx_pkt_cnt;
876 	uint32_t tx_pkt_cnt;
877 
878 	/*
879 	 * The watchdog_lock must be held when updateing the
880 	 * timeout fields in struct e1000g, that is,
881 	 * watchdog_tid, watchdog_timer_started.
882 	 */
883 	kmutex_t watchdog_lock;
884 	/*
885 	 * The link_lock protects the link fields in struct e1000g,
886 	 * such as link_state, link_speed, link_duplex, link_complete, and
887 	 * link_tid.
888 	 */
889 	kmutex_t link_lock;
890 	/*
891 	 * The chip_lock assures that the Rx/Tx process must be
892 	 * stopped while other functions change the hardware
893 	 * configuration of e1000g card, such as e1000g_reset(),
894 	 * e1000g_reset_hw() etc are executed.
895 	 */
896 	krwlock_t chip_lock;
897 
898 	boolean_t unicst_init;
899 	uint32_t unicst_avail;
900 	uint32_t unicst_total;
901 	e1000g_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
902 
903 	uint32_t mcast_count;
904 	struct ether_addr mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
905 
906 	ulong_t sys_page_sz;
907 #ifdef __sparc
908 	uint_t dvma_page_num;
909 #endif
910 
911 	boolean_t msi_enable;
912 	boolean_t tx_hcksum_enable;
913 	boolean_t lso_enable;
914 	boolean_t lso_premature_issue;
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