xref: /illumos-gate/usr/src/uts/common/io/e1000g/e1000g_sw.h (revision ca9327a6de44d69ddab3668cc1e143ce781387a3)
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 of the CDDLv1.
24  */
25 
26 #ifndef _E1000G_SW_H
27 #define	_E1000G_SW_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 /*
36  * **********************************************************************
37  * Module Name:								*
38  *   e1000g_sw.h							*
39  *									*
40  * Abstract:								*
41  *   This header file contains Software-related data structures		*
42  *   definitions.							*
43  *									*
44  * **********************************************************************
45  */
46 
47 #include <sys/types.h>
48 #include <sys/conf.h>
49 #include <sys/debug.h>
50 #include <sys/stropts.h>
51 #include <sys/stream.h>
52 #include <sys/strsun.h>
53 #include <sys/strlog.h>
54 #include <sys/kmem.h>
55 #include <sys/stat.h>
56 #include <sys/kstat.h>
57 #include <sys/modctl.h>
58 #include <sys/errno.h>
59 #include <sys/mac.h>
60 #include <sys/mac_ether.h>
61 #include <sys/vlan.h>
62 #include <sys/ddi.h>
63 #include <sys/sunddi.h>
64 #include <sys/disp.h>
65 #include <sys/pci.h>
66 #include <sys/sdt.h>
67 #include <sys/ethernet.h>
68 #include <sys/pattr.h>
69 #include <sys/strsubr.h>
70 #include <sys/netlb.h>
71 #include <inet/common.h>
72 #include <inet/ip.h>
73 #include <inet/mi.h>
74 #include <inet/nd.h>
75 #include <sys/ddifm.h>
76 #include <sys/fm/protocol.h>
77 #include <sys/fm/util.h>
78 #include <sys/fm/io/ddi.h>
79 #include "e1000_api.h"
80 
81 
82 #define	JUMBO_FRAG_LENGTH		4096
83 
84 #define	LAST_RAR_ENTRY			(E1000_RAR_ENTRIES - 1)
85 #define	MAX_NUM_UNICAST_ADDRESSES	E1000_RAR_ENTRIES
86 #define	MAX_NUM_MULTICAST_ADDRESSES	256
87 
88 #define	MAX_TX_DESC_PER_PACKET		16
89 
90 /*
91  * constants used in setting flow control thresholds
92  */
93 #define	E1000_PBA_MASK		0xffff
94 #define	E1000_PBA_SHIFT		10
95 #define	E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
96 #define	E1000_FC_LOW_DIFF	0x1640 /* Low: 5696 bytes below Rx FIFO size */
97 #define	E1000_FC_PAUSE_TIME	0x0680 /* 858 usec */
98 
99 #define	MAX_NUM_TX_DESCRIPTOR		4096
100 #define	MAX_NUM_RX_DESCRIPTOR		4096
101 #define	MAX_NUM_RX_FREELIST		4096
102 #define	MAX_NUM_TX_FREELIST		4096
103 #define	MAX_RX_LIMIT_ON_INTR		4096
104 #define	MAX_RX_INTR_DELAY		65535
105 #define	MAX_RX_INTR_ABS_DELAY		65535
106 #define	MAX_TX_INTR_DELAY		65535
107 #define	MAX_TX_INTR_ABS_DELAY		65535
108 #define	MAX_INTR_THROTTLING		65535
109 #define	MAX_RX_BCOPY_THRESHOLD		E1000_RX_BUFFER_SIZE_2K
110 #define	MAX_TX_BCOPY_THRESHOLD		E1000_TX_BUFFER_SIZE_2K
111 #define	MAX_TX_RECYCLE_THRESHOLD	MAX_NUM_TX_DESCRIPTOR
112 #define	MAX_TX_RECYCLE_NUM		MAX_NUM_TX_DESCRIPTOR
113 
114 #define	MIN_NUM_TX_DESCRIPTOR		80
115 #define	MIN_NUM_RX_DESCRIPTOR		80
116 #define	MIN_NUM_RX_FREELIST		64
117 #define	MIN_NUM_TX_FREELIST		80
118 #define	MIN_RX_LIMIT_ON_INTR		16
119 #define	MIN_RX_INTR_DELAY		0
120 #define	MIN_RX_INTR_ABS_DELAY		0
121 #define	MIN_TX_INTR_DELAY		0
122 #define	MIN_TX_INTR_ABS_DELAY		0
123 #define	MIN_INTR_THROTTLING		0
124 #define	MIN_RX_BCOPY_THRESHOLD		0
125 #define	MIN_TX_BCOPY_THRESHOLD		ETHERMIN
126 #define	MIN_TX_RECYCLE_THRESHOLD	0
127 #define	MIN_TX_RECYCLE_NUM		MAX_TX_DESC_PER_PACKET
128 
129 #define	DEFAULT_NUM_RX_DESCRIPTOR	2048
130 #define	DEFAULT_NUM_TX_DESCRIPTOR	2048
131 #define	DEFAULT_NUM_RX_FREELIST		4096
132 #define	DEFAULT_NUM_TX_FREELIST		2304
133 #define	DEFAULT_RX_LIMIT_ON_INTR	128
134 
135 #ifdef __sparc
136 #define	MAX_INTR_PER_SEC		7100
137 #define	MIN_INTR_PER_SEC		3000
138 #define	DEFAULT_INTR_PACKET_LOW		5
139 #define	DEFAULT_INTR_PACKET_HIGH	128
140 #define	DEFAULT_TX_RECYCLE_THRESHOLD	512
141 #else
142 #define	MAX_INTR_PER_SEC		15000
143 #define	MIN_INTR_PER_SEC		4000
144 #define	DEFAULT_INTR_PACKET_LOW		10
145 #define	DEFAULT_INTR_PACKET_HIGH	48
146 #define	DEFAULT_TX_RECYCLE_THRESHOLD	DEFAULT_TX_NO_RESOURCE
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_RECYCLE_NUM		64
160 #define	DEFAULT_TX_UPDATE_THRESHOLD	256
161 #define	DEFAULT_TX_NO_RESOURCE		6
162 
163 #define	DEFAULT_TX_INTR_ENABLE		1
164 #define	DEFAULT_FLOW_CONTROL		3
165 #define	DEFAULT_MASTER_LATENCY_TIMER	0	/* BIOS should decide */
166 						/* which is normally 0x040 */
167 #define	DEFAULT_TBI_COMPAT_ENABLE	1	/* Enable SBP workaround */
168 #define	DEFAULT_MSI_ENABLE		1	/* MSI Enable */
169 #define	DEFAULT_TX_HCKSUM_ENABLE	1	/* Hardware checksum 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	FORCE_BCOPY_EXCEED_FRAGS	0x1
187 #define	FORCE_BCOPY_UNDER_SIZE		0x2
188 
189 #define	E1000G_RX_SW_FREE		0x0
190 #define	E1000G_RX_SW_SENDUP		0x1
191 #define	E1000G_RX_SW_STOP		0x2
192 #define	E1000G_RX_SW_DETACH		0x3
193 
194 /*
195  * definitions for smartspeed workaround
196  */
197 #define	  E1000_SMARTSPEED_MAX		30	/* 30 watchdog iterations */
198 						/* or 30 seconds */
199 #define	  E1000_SMARTSPEED_DOWNSHIFT	6	/* 6 watchdog iterations */
200 						/* or 6 seconds */
201 
202 /*
203  * Definitions for module_info.
204  */
205 #define	 WSNAME			"e1000g"	/* module name */
206 
207 /*
208  * Defined for IP header alignment. We also need to preserve space for
209  * VLAN tag (4 bytes)
210  */
211 #define	E1000G_IPALIGNROOM		6
212 #define	E1000G_IPALIGNPRESERVEROOM	64
213 
214 /*
215  * bit flags for 'attach_progress' which is a member variable in struct e1000g
216  */
217 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
218 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
219 #define	ATTACH_PROGRESS_SETUP		0x0004	/* Setup driver parameters */
220 #define	ATTACH_PROGRESS_ADD_INTR	0x0008	/* Interrupt added */
221 #define	ATTACH_PROGRESS_LOCKS		0x0010	/* Locks initialized */
222 #define	ATTACH_PROGRESS_SOFT_INTR	0x0020	/* Soft interrupt added */
223 #define	ATTACH_PROGRESS_KSTATS		0x0040	/* Kstats created */
224 #define	ATTACH_PROGRESS_ALLOC		0x0080	/* DMA resources allocated */
225 #define	ATTACH_PROGRESS_INIT		0x0100	/* Driver initialization */
226 /* 0200 used to be PROGRESS_NDD. Now unused */
227 #define	ATTACH_PROGRESS_MAC		0x0400	/* MAC registered */
228 #define	ATTACH_PROGRESS_ENABLE_INTR	0x0800	/* DDI interrupts enabled */
229 #define	ATTACH_PROGRESS_FMINIT		0x1000	/* FMA initiated */
230 
231 /*
232  * Speed and Duplex Settings
233  */
234 #define	GDIAG_10_HALF		1
235 #define	GDIAG_10_FULL		2
236 #define	GDIAG_100_HALF		3
237 #define	GDIAG_100_FULL		4
238 #define	GDIAG_1000_FULL		6
239 #define	GDIAG_ANY		7
240 
241 /*
242  * Coexist Workaround RP: 07/04/03
243  * 82544 Workaround : Co-existence
244  */
245 #define	MAX_TX_BUF_SIZE		(8 * 1024)
246 
247 #define	ROUNDOFF		0x1000
248 
249 /*
250  * Defines for Jumbo Frame
251  */
252 #define	FRAME_SIZE_UPTO_2K	2048
253 #define	FRAME_SIZE_UPTO_4K	4096
254 #define	FRAME_SIZE_UPTO_8K	8192
255 #define	FRAME_SIZE_UPTO_16K	16384
256 #define	FRAME_SIZE_UPTO_9K	9234
257 
258 #define	MAXIMUM_MTU		9000
259 #define	DEFAULT_MTU		ETHERMTU
260 
261 #define	DEFAULT_FRAME_SIZE	\
262 	(DEFAULT_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
263 #define	MAXIMUM_FRAME_SIZE	\
264 	(MAXIMUM_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
265 
266 /* Defines for Tx stall check */
267 #define	E1000G_STALL_WATCHDOG_COUNT	8
268 
269 #define	MAX_TX_LINK_DOWN_TIMEOUT	8
270 
271 /* Defines for DVMA */
272 #ifdef __sparc
273 #define	E1000G_DEFAULT_DVMA_PAGE_NUM	2
274 #endif
275 
276 /*
277  * Loopback definitions
278  */
279 #define	E1000G_LB_NONE			0
280 #define	E1000G_LB_EXTERNAL_1000		1
281 #define	E1000G_LB_EXTERNAL_100		2
282 #define	E1000G_LB_EXTERNAL_10		3
283 #define	E1000G_LB_INTERNAL_PHY		4
284 
285 /*
286  * Private dip list definitions
287  */
288 #define	E1000G_PRIV_DEVI_ATTACH	0x0
289 #define	E1000G_PRIV_DEVI_DETACH	0x1
290 
291 /*
292  * QUEUE_INIT_LIST -- Macro which will init ialize a queue to NULL.
293  */
294 #define	QUEUE_INIT_LIST(_LH)	\
295 	(_LH)->Flink = (_LH)->Blink = (PSINGLE_LIST_LINK)0
296 
297 /*
298  * IS_QUEUE_EMPTY -- Macro which checks to see if a queue is empty.
299  */
300 #define	IS_QUEUE_EMPTY(_LH)	\
301 	((_LH)->Flink == (PSINGLE_LIST_LINK)0)
302 
303 /*
304  * QUEUE_GET_HEAD -- Macro which returns the head of the queue, but does
305  * not remove the head from the queue.
306  */
307 #define	QUEUE_GET_HEAD(_LH)	((PSINGLE_LIST_LINK)((_LH)->Flink))
308 
309 /*
310  * QUEUE_REMOVE_HEAD -- Macro which removes the head of the head of a queue.
311  */
312 #define	QUEUE_REMOVE_HEAD(_LH)	\
313 { \
314 	PSINGLE_LIST_LINK ListElem; \
315 	if (ListElem = (_LH)->Flink) \
316 	{ \
317 		if (!((_LH)->Flink = ListElem->Flink)) \
318 			(_LH)->Blink = (PSINGLE_LIST_LINK) 0; \
319 	} \
320 }
321 
322 /*
323  * QUEUE_POP_HEAD -- Macro which  will pop the head off of a queue (list),
324  *	and return it (this differs from QUEUE_REMOVE_HEAD only in
325  *	the 1st line).
326  */
327 #define	QUEUE_POP_HEAD(_LH)	\
328 	(PSINGLE_LIST_LINK)(_LH)->Flink; \
329 	{ \
330 		PSINGLE_LIST_LINK ListElem; \
331 		ListElem = (_LH)->Flink; \
332 		if (ListElem) \
333 		{ \
334 			(_LH)->Flink = ListElem->Flink; \
335 			if (!(_LH)->Flink) \
336 				(_LH)->Blink = (PSINGLE_LIST_LINK)0; \
337 		} \
338 	}
339 
340 /*
341  * QUEUE_GET_TAIL -- Macro which returns the tail of the queue, but does not
342  *	remove the tail from the queue.
343  */
344 #define	QUEUE_GET_TAIL(_LH)	((PSINGLE_LIST_LINK)((_LH)->Blink))
345 
346 /*
347  * QUEUE_PUSH_TAIL -- Macro which puts an element at the tail (end) of the queue
348  */
349 #define	QUEUE_PUSH_TAIL(_LH, _E)	\
350 	if ((_LH)->Blink) \
351 	{ \
352 		((PSINGLE_LIST_LINK)(_LH)->Blink)->Flink = \
353 			(PSINGLE_LIST_LINK)(_E); \
354 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
355 	} else { \
356 		(_LH)->Flink = \
357 			(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
358 	} \
359 	(_E)->Flink = (PSINGLE_LIST_LINK)0;
360 
361 /*
362  * QUEUE_PUSH_HEAD -- Macro which puts an element at the head of the queue.
363  */
364 #define	QUEUE_PUSH_HEAD(_LH, _E)	\
365 	if (!((_E)->Flink = (_LH)->Flink)) \
366 	{ \
367 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
368 	} \
369 	(_LH)->Flink = (PSINGLE_LIST_LINK)(_E);
370 
371 /*
372  * QUEUE_GET_NEXT -- Macro which returns the next element linked to the
373  *	current element.
374  */
375 #define	QUEUE_GET_NEXT(_LH, _E)		\
376 	(PSINGLE_LIST_LINK)((((_LH)->Blink) == (_E)) ? \
377 	(0) : ((_E)->Flink))
378 
379 /*
380  * QUEUE_APPEND -- Macro which appends a queue to the tail of another queue
381  */
382 #define	QUEUE_APPEND(_LH1, _LH2)	\
383 	if ((_LH2)->Flink) { \
384 		if ((_LH1)->Flink) { \
385 			((PSINGLE_LIST_LINK)(_LH1)->Blink)->Flink = \
386 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
387 		} else { \
388 			(_LH1)->Flink = \
389 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
390 		} \
391 		(_LH1)->Blink = ((PSINGLE_LIST_LINK)(_LH2)->Blink); \
392 	}
393 
394 /*
395  * Property lookups
396  */
397 #define	E1000G_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
398 						DDI_PROP_DONTPASS, (n))
399 #define	E1000G_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
400 						DDI_PROP_DONTPASS, (n), -1)
401 
402 #ifdef E1000G_DEBUG
403 /*
404  * E1000G-specific ioctls ...
405  */
406 #define	E1000G_IOC		((((((('E' << 4) + '1') << 4) \
407 				+ 'K') << 4) + 'G') << 4)
408 
409 /*
410  * These diagnostic IOCTLS are enabled only in DEBUG drivers
411  */
412 #define	E1000G_IOC_REG_PEEK	(E1000G_IOC | 1)
413 #define	E1000G_IOC_REG_POKE	(E1000G_IOC | 2)
414 #define	E1000G_IOC_CHIP_RESET	(E1000G_IOC | 3)
415 
416 #define	E1000G_PP_SPACE_REG	0	/* PCI memory space	*/
417 #define	E1000G_PP_SPACE_E1000G	1	/* driver's soft state	*/
418 
419 typedef struct {
420 	uint64_t pp_acc_size;	/* It's 1, 2, 4 or 8	*/
421 	uint64_t pp_acc_space;	/* See #defines below	*/
422 	uint64_t pp_acc_offset;	/* See regs definition	*/
423 	uint64_t pp_acc_data;	/* output for peek	*/
424 				/* input for poke	*/
425 } e1000g_peekpoke_t;
426 #endif	/* E1000G_DEBUG */
427 
428 /*
429  * (Internal) return values from ioctl subroutines
430  */
431 enum ioc_reply {
432 	IOC_INVAL = -1,		/* bad, NAK with EINVAL	*/
433 	IOC_DONE,		/* OK, reply sent	*/
434 	IOC_ACK,		/* OK, just send ACK	*/
435 	IOC_REPLY		/* OK, just send reply	*/
436 };
437 
438 /*
439  * Named Data (ND) Parameter Management Structure
440  */
441 typedef struct {
442 	uint32_t ndp_info;
443 	uint32_t ndp_min;
444 	uint32_t ndp_max;
445 	uint32_t ndp_val;
446 	struct e1000g *ndp_instance;
447 	char *ndp_name;
448 } nd_param_t;
449 
450 /*
451  * The entry of the private dip list
452  */
453 typedef struct _private_devi_list {
454 	dev_info_t *priv_dip;
455 	uint16_t flag;
456 	struct _private_devi_list *next;
457 } private_devi_list_t;
458 
459 /*
460  * A structure that points to the next entry in the queue.
461  */
462 typedef struct _SINGLE_LIST_LINK {
463 	struct _SINGLE_LIST_LINK *Flink;
464 } SINGLE_LIST_LINK, *PSINGLE_LIST_LINK;
465 
466 /*
467  * A "ListHead" structure that points to the head and tail of a queue
468  */
469 typedef struct _LIST_DESCRIBER {
470 	struct _SINGLE_LIST_LINK *volatile Flink;
471 	struct _SINGLE_LIST_LINK *volatile Blink;
472 } LIST_DESCRIBER, *PLIST_DESCRIBER;
473 
474 /*
475  * Address-Length pair structure that stores descriptor info
476  */
477 typedef struct _sw_desc {
478 	uint64_t address;
479 	uint32_t length;
480 } sw_desc_t, *p_sw_desc_t;
481 
482 typedef struct _desc_array {
483 	sw_desc_t descriptor[4];
484 	uint32_t elements;
485 } desc_array_t, *p_desc_array_t;
486 
487 typedef enum {
488 	USE_NONE,
489 	USE_BCOPY,
490 	USE_DVMA,
491 	USE_DMA
492 } dma_type_t;
493 
494 typedef enum {
495 	E1000G_STOP,
496 	E1000G_START,
497 	E1000G_ERROR
498 } chip_state_t;
499 
500 typedef struct _dma_buffer {
501 	caddr_t address;
502 	uint64_t dma_address;
503 	ddi_acc_handle_t acc_handle;
504 	ddi_dma_handle_t dma_handle;
505 	size_t size;
506 	size_t len;
507 } dma_buffer_t, *p_dma_buffer_t;
508 
509 /*
510  * Transmit Control Block (TCB), Ndis equiv of SWPacket This
511  * structure stores the additional information that is
512  * associated with every packet to be transmitted. It stores the
513  * message block pointer and the TBD addresses associated with
514  * the m_blk and also the link to the next tcb in the chain
515  */
516 typedef struct _tx_sw_packet {
517 	/* Link to the next tx_sw_packet in the list */
518 	SINGLE_LIST_LINK Link;
519 	mblk_t *mp;
520 	uint32_t num_desc;
521 	uint32_t num_mblk_frag;
522 	dma_type_t dma_type;
523 	dma_type_t data_transfer_type;
524 	ddi_dma_handle_t tx_dma_handle;
525 	dma_buffer_t tx_buf[1];
526 	sw_desc_t desc[MAX_TX_DESC_PER_PACKET];
527 } tx_sw_packet_t, *p_tx_sw_packet_t;
528 
529 /*
530  * This structure is similar to the rx_sw_packet structure used
531  * for Ndis. This structure stores information about the 2k
532  * aligned receive buffer into which the FX1000 DMA's frames.
533  * This structure is maintained as a linked list of many
534  * receiver buffer pointers.
535  */
536 typedef struct _rx_sw_packet {
537 	/* Link to the next rx_sw_packet_t in the list */
538 	SINGLE_LIST_LINK Link;
539 	struct _rx_sw_packet *next;
540 	uint16_t flag;
541 	mblk_t *mp;
542 	caddr_t rx_ring;
543 	dma_type_t dma_type;
544 	frtn_t free_rtn;
545 	dma_buffer_t rx_buf[1];
546 } rx_sw_packet_t, *p_rx_sw_packet_t;
547 
548 typedef struct _mblk_list {
549 	mblk_t *head;
550 	mblk_t *tail;
551 } mblk_list_t, *p_mblk_list_t;
552 
553 typedef struct _cksum_data {
554 	uint32_t ether_header_size;
555 	uint32_t cksum_flags;
556 	uint32_t cksum_start;
557 	uint32_t cksum_stuff;
558 } cksum_data_t;
559 
560 typedef union _e1000g_ether_addr {
561 	struct {
562 		uint32_t high;
563 		uint32_t low;
564 	} reg;
565 	struct {
566 		uint8_t set;
567 		uint8_t redundant;
568 		uint8_t addr[ETHERADDRL];
569 	} mac;
570 } e1000g_ether_addr_t;
571 
572 typedef struct _e1000g_stat {
573 
574 	kstat_named_t link_speed;	/* Link Speed */
575 	kstat_named_t reset_count;	/* Reset Count */
576 
577 	kstat_named_t rx_error;		/* Rx Error in Packet */
578 	kstat_named_t rx_esballoc_fail;	/* Rx Desballoc Failure */
579 	kstat_named_t rx_allocb_fail;	/* Rx Allocb Failure */
580 
581 	kstat_named_t tx_no_desc;	/* Tx No Desc */
582 	kstat_named_t tx_no_swpkt;	/* Tx No Pkt Buffer */
583 	kstat_named_t tx_send_fail;	/* Tx SendPkt Failure */
584 	kstat_named_t tx_over_size;	/* Tx Pkt Too Long */
585 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
586 
587 #ifdef E1000G_DEBUG
588 	kstat_named_t rx_none;		/* Rx No Incoming Data */
589 	kstat_named_t rx_multi_desc;	/* Rx Multi Spanned Pkt */
590 	kstat_named_t rx_no_freepkt;	/* Rx No Free Pkt */
591 	kstat_named_t rx_avail_freepkt;	/* Rx Freelist Avail Buffers */
592 
593 	kstat_named_t tx_under_size;	/* Tx Packet Under Size */
594 	kstat_named_t tx_empty_frags;	/* Tx Empty Frags */
595 	kstat_named_t tx_exceed_frags;	/* Tx Exceed Max Frags */
596 	kstat_named_t tx_recycle;	/* Tx Recycle */
597 	kstat_named_t tx_recycle_intr;	/* Tx Recycle in Intr */
598 	kstat_named_t tx_recycle_retry;	/* Tx Recycle Retry */
599 	kstat_named_t tx_recycle_none;	/* Tx No Desc Recycled */
600 	kstat_named_t tx_copy;		/* Tx Send Copy */
601 	kstat_named_t tx_bind;		/* Tx Send Bind */
602 	kstat_named_t tx_multi_copy;	/* Tx Copy Multi Fragments */
603 	kstat_named_t tx_multi_cookie;	/* Tx Pkt Span Multi Cookies */
604 	kstat_named_t tx_lack_desc;	/* Tx Lack of Desc */
605 #endif
606 
607 	kstat_named_t Crcerrs;	/* CRC Error Count */
608 	kstat_named_t Symerrs;	/* Symbol Error Count */
609 	kstat_named_t Mpc;	/* Missed Packet Count */
610 	kstat_named_t Scc;	/* Single Collision Count */
611 	kstat_named_t Ecol;	/* Excessive Collision Count */
612 	kstat_named_t Mcc;	/* Multiple Collision Count */
613 	kstat_named_t Latecol;	/* Late Collision Count */
614 	kstat_named_t Colc;	/* Collision Count */
615 	kstat_named_t Dc;	/* Defer Count */
616 	kstat_named_t Sec;	/* Sequence Error Count */
617 	kstat_named_t Rlec;	/* Receive Length Error Count */
618 	kstat_named_t Xonrxc;	/* XON Received Count */
619 	kstat_named_t Xontxc;	/* XON Xmitted Count */
620 	kstat_named_t Xoffrxc;	/* XOFF Received Count */
621 	kstat_named_t Xofftxc;	/* Xoff Xmitted Count */
622 	kstat_named_t Fcruc;	/* Unknown Flow Conrol Packet Rcvd Count */
623 #ifdef E1000G_DEBUG
624 	kstat_named_t Prc64;	/* Packets Received - 64b */
625 	kstat_named_t Prc127;	/* Packets Received - 65-127b */
626 	kstat_named_t Prc255;	/* Packets Received - 127-255b */
627 	kstat_named_t Prc511;	/* Packets Received - 256-511b */
628 	kstat_named_t Prc1023;	/* Packets Received - 511-1023b */
629 	kstat_named_t Prc1522;	/* Packets Received - 1024-1522b */
630 #endif
631 	kstat_named_t Gprc;	/* Good Packets Received Count */
632 	kstat_named_t Bprc;	/* Broadcasts Pkts Received Count */
633 	kstat_named_t Mprc;	/* Multicast Pkts Received Count */
634 	kstat_named_t Gptc;	/* Good Packets Xmitted Count */
635 	kstat_named_t Gorl;	/* Good Octets Recvd Lo Count */
636 	kstat_named_t Gorh;	/* Good Octets Recvd Hi Count */
637 	kstat_named_t Gotl;	/* Good Octets Xmitd Lo Count */
638 	kstat_named_t Goth;	/* Good Octets Xmitd Hi Count */
639 	kstat_named_t Rnbc;	/* Receive No Buffers Count */
640 	kstat_named_t Ruc;	/* Receive Undersize Count */
641 	kstat_named_t Rfc;	/* Receive Frag Count */
642 	kstat_named_t Roc;	/* Receive Oversize Count */
643 	kstat_named_t Rjc;	/* Receive Jabber Count */
644 	kstat_named_t Torl;	/* Total Octets Recvd Lo Count */
645 	kstat_named_t Torh;	/* Total Octets Recvd Hi Count */
646 	kstat_named_t Totl;	/* Total Octets Xmted Lo Count */
647 	kstat_named_t Toth;	/* Total Octets Xmted Hi Count */
648 	kstat_named_t Tpr;	/* Total Packets Received */
649 	kstat_named_t Tpt;	/* Total Packets Xmitted */
650 #ifdef E1000G_DEBUG
651 	kstat_named_t Ptc64;	/* Packets Xmitted (64b) */
652 	kstat_named_t Ptc127;	/* Packets Xmitted (64-127b) */
653 	kstat_named_t Ptc255;	/* Packets Xmitted (128-255b) */
654 	kstat_named_t Ptc511;	/* Packets Xmitted (255-511b) */
655 	kstat_named_t Ptc1023;	/* Packets Xmitted (512-1023b) */
656 	kstat_named_t Ptc1522;	/* Packets Xmitted (1024-1522b */
657 #endif
658 	kstat_named_t Mptc;	/* Multicast Packets Xmited Count */
659 	kstat_named_t Bptc;	/* Broadcast Packets Xmited Count */
660 	kstat_named_t Algnerrc;	/* Alignment Error count */
661 	kstat_named_t Tuc;	/* Transmit Underrun count */
662 	kstat_named_t Rxerrc;	/* Rx Error Count */
663 	kstat_named_t Tncrs;	/* Transmit with no CRS */
664 	kstat_named_t Cexterr;	/* Carrier Extension Error count */
665 	kstat_named_t Rutec;	/* Receive DMA too Early count */
666 	kstat_named_t Tsctc;	/* TCP seg contexts xmit count */
667 	kstat_named_t Tsctfc;	/* TCP seg contexts xmit fail count */
668 } e1000g_stat_t, *p_e1000g_stat_t;
669 
670 typedef struct _e1000g_tx_ring {
671 	kmutex_t tx_lock;
672 	kmutex_t freelist_lock;
673 	kmutex_t usedlist_lock;
674 	/*
675 	 * Descriptor queue definitions
676 	 */
677 	ddi_dma_handle_t tbd_dma_handle;
678 	ddi_acc_handle_t tbd_acc_handle;
679 	struct e1000_tx_desc *tbd_area;
680 	uint64_t tbd_dma_addr;
681 	struct e1000_tx_desc *tbd_first;
682 	struct e1000_tx_desc *tbd_last;
683 	struct e1000_tx_desc *tbd_oldest;
684 	struct e1000_tx_desc *tbd_next;
685 	uint32_t tbd_avail;
686 	/*
687 	 * Software packet structures definitions
688 	 */
689 	p_tx_sw_packet_t packet_area;
690 	LIST_DESCRIBER used_list;
691 	LIST_DESCRIBER free_list;
692 	/*
693 	 * TCP/UDP checksum offload
694 	 */
695 	cksum_data_t cksum_data;
696 	/*
697 	 * Timer definitions for 82547
698 	 */
699 	timeout_id_t timer_id_82547;
700 	boolean_t timer_enable_82547;
701 	/*
702 	 * reschedule when tx resource is available
703 	 */
704 	boolean_t resched_needed;
705 	uint32_t frags_limit;
706 	uint32_t stall_watchdog;
707 	uint32_t recycle_fail;
708 	mblk_list_t mblks;
709 	/*
710 	 * Statistics
711 	 */
712 	uint32_t stat_no_swpkt;
713 	uint32_t stat_no_desc;
714 	uint32_t stat_send_fail;
715 	uint32_t stat_reschedule;
716 	uint32_t stat_over_size;
717 #ifdef E1000G_DEBUG
718 	uint32_t stat_under_size;
719 	uint32_t stat_exceed_frags;
720 	uint32_t stat_empty_frags;
721 	uint32_t stat_recycle;
722 	uint32_t stat_recycle_intr;
723 	uint32_t stat_recycle_retry;
724 	uint32_t stat_recycle_none;
725 	uint32_t stat_copy;
726 	uint32_t stat_bind;
727 	uint32_t stat_multi_copy;
728 	uint32_t stat_multi_cookie;
729 	uint32_t stat_lack_desc;
730 #endif
731 	/*
732 	 * Pointer to the adapter
733 	 */
734 	struct e1000g *adapter;
735 } e1000g_tx_ring_t, *pe1000g_tx_ring_t;
736 
737 typedef struct _e1000g_rx_ring {
738 	kmutex_t rx_lock;
739 	kmutex_t freelist_lock;
740 	/*
741 	 * Descriptor queue definitions
742 	 */
743 	ddi_dma_handle_t rbd_dma_handle;
744 	ddi_acc_handle_t rbd_acc_handle;
745 	struct e1000_rx_desc *rbd_area;
746 	uint64_t rbd_dma_addr;
747 	struct e1000_rx_desc *rbd_first;
748 	struct e1000_rx_desc *rbd_last;
749 	struct e1000_rx_desc *rbd_next;
750 	/*
751 	 * Software packet structures definitions
752 	 */
753 	p_rx_sw_packet_t packet_area;
754 	LIST_DESCRIBER recv_list;
755 	LIST_DESCRIBER free_list;
756 
757 	p_rx_sw_packet_t pending_list;
758 	uint32_t pending_count;
759 	uint32_t avail_freepkt;
760 	uint32_t rx_mblk_len;
761 	mblk_t *rx_mblk;
762 	mblk_t *rx_mblk_tail;
763 	/*
764 	 * Statistics
765 	 */
766 	uint32_t stat_error;
767 	uint32_t stat_esballoc_fail;
768 	uint32_t stat_allocb_fail;
769 	uint32_t stat_exceed_pkt;
770 #ifdef E1000G_DEBUG
771 	uint32_t stat_none;
772 	uint32_t stat_multi_desc;
773 	uint32_t stat_no_freepkt;
774 #endif
775 	/*
776 	 * Pointer to the adapter
777 	 */
778 	struct e1000g *adapter;
779 } e1000g_rx_ring_t, *pe1000g_rx_ring_t;
780 
781 typedef struct e1000g {
782 	int instance;
783 	dev_info_t *dip;
784 	dev_info_t *priv_dip;
785 	mac_handle_t mh;
786 	mac_resource_handle_t mrh;
787 	struct e1000_hw shared;
788 	struct e1000g_osdep osdep;
789 
790 	chip_state_t chip_state;
791 	boolean_t e1000g_promisc;
792 	boolean_t strip_crc;
793 	boolean_t rx_buffer_setup;
794 	link_state_t link_state;
795 	uint32_t link_speed;
796 	uint32_t link_duplex;
797 	uint32_t master_latency_timer;
798 	uint32_t smartspeed;	/* smartspeed w/a counter */
799 	uint32_t init_count;
800 	uint32_t reset_count;
801 	uint32_t attach_progress;	/* attach tracking */
802 	uint32_t loopback_mode;
803 
804 	uint32_t tx_desc_num;
805 	uint32_t tx_freelist_num;
806 	uint32_t rx_desc_num;
807 	uint32_t rx_freelist_num;
808 	uint32_t tx_buffer_size;
809 	uint32_t rx_buffer_size;
810 
811 	uint32_t tx_link_down_timeout;
812 	uint32_t tx_bcopy_thresh;
813 	uint32_t rx_limit_onintr;
814 	uint32_t rx_bcopy_thresh;
815 #ifndef NO_82542_SUPPORT
816 	uint32_t rx_buf_align;
817 #endif
818 
819 	boolean_t intr_adaptive;
820 	boolean_t tx_intr_enable;
821 	uint32_t tx_recycle_thresh;
822 	uint32_t tx_recycle_num;
823 	uint32_t tx_intr_delay;
824 	uint32_t tx_intr_abs_delay;
825 	uint32_t rx_intr_delay;
826 	uint32_t rx_intr_abs_delay;
827 	uint32_t intr_throttling_rate;
828 
829 	uint32_t default_mtu;
830 
831 	boolean_t watchdog_timer_enabled;
832 	boolean_t watchdog_timer_started;
833 	timeout_id_t watchdog_tid;
834 	boolean_t link_complete;
835 	timeout_id_t link_tid;
836 
837 	e1000g_rx_ring_t rx_ring[1];
838 	e1000g_tx_ring_t tx_ring[1];
839 
840 	/*
841 	 * Rx and Tx packet count for interrupt adaptive setting
842 	 */
843 	uint32_t rx_pkt_cnt;
844 	uint32_t tx_pkt_cnt;
845 
846 	/*
847 	 * The watchdog_lock must be held when updateing the
848 	 * timeout fields in struct e1000g, that is,
849 	 * watchdog_tid, watchdog_timer_started.
850 	 */
851 	kmutex_t watchdog_lock;
852 	/*
853 	 * The link_lock protects the link fields in struct e1000g,
854 	 * such as link_state, link_speed, link_duplex, link_complete, and
855 	 * link_tid.
856 	 */
857 	kmutex_t link_lock;
858 	/*
859 	 * The chip_lock assures that the Rx/Tx process must be
860 	 * stopped while other functions change the hardware
861 	 * configuration of e1000g card, such as e1000g_reset(),
862 	 * e1000g_reset_hw() etc are executed.
863 	 */
864 	krwlock_t chip_lock;
865 
866 	boolean_t unicst_init;
867 	uint32_t unicst_avail;
868 	uint32_t unicst_total;
869 	e1000g_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
870 
871 	uint32_t mcast_count;
872 	struct ether_addr mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
873 
874 #ifdef __sparc
875 	ulong_t sys_page_sz;
876 	uint_t dvma_page_num;
877 #endif
878 
879 	boolean_t msi_enabled;
880 	boolean_t tx_hcksum_enabled;
881 	int intr_type;
882 	int intr_cnt;
883 	int intr_cap;
884 	size_t intr_size;
885 	uint_t intr_pri;
886 	ddi_intr_handle_t *htable;
887 
888 	int tx_softint_pri;
889 	ddi_softint_handle_t tx_softint_handle;
890 
891 	kstat_t *e1000g_ksp;
892 
893 	uint16_t phy_ctrl;		/* contents of PHY_CTRL */
894 	uint16_t phy_status;		/* contents of PHY_STATUS */
895 	uint16_t phy_an_adv;		/* contents of PHY_AUTONEG_ADV */
896 	uint16_t phy_an_exp;		/* contents of PHY_AUTONEG_EXP */
897 	uint16_t phy_ext_status;	/* contents of PHY_EXT_STATUS */
898 	uint16_t phy_1000t_ctrl;	/* contents of PHY_1000T_CTRL */
899 	uint16_t phy_1000t_status;	/* contents of PHY_1000T_STATUS */
900 	uint16_t phy_lp_able;		/* contents of PHY_LP_ABILITY */
901 
902 	/*
903 	 * FMA capabilities
904 	 */
905 	int fm_capabilities;
906 
907 	uint32_t	param_en_1000fdx:1,
908 			param_en_1000hdx:1,
909 			param_en_100fdx:1,
910 			param_en_100hdx:1,
911 			param_en_10fdx:1,
912 			param_en_10hdx:1,
913 			param_autoneg_cap:1,
914 			param_pause_cap:1,
915 			param_asym_pause_cap:1,
916 			param_1000fdx_cap:1,
917 			param_1000hdx_cap:1,
918 			param_100t4_cap:1,
919 			param_100fdx_cap:1,
920 			param_100hdx_cap:1,
921 			param_10fdx_cap:1,
922 			param_10hdx_cap:1,
923 			param_adv_autoneg:1,
924 			param_adv_pause:1,
925 			param_adv_asym_pause:1,
926 			param_adv_1000fdx:1,
927 			param_adv_1000hdx:1,
928 			param_adv_100t4:1,
929 			param_adv_100fdx:1,
930 			param_adv_100hdx:1,
931 			param_adv_10fdx:1,
932 			param_adv_10hdx:1,
933 			param_lp_autoneg:1,
934 			param_lp_pause:1,
935 			param_lp_asym_pause:1,
936 			param_lp_1000fdx:1,
937 			param_lp_1000hdx:1,
938 			param_lp_100t4:1;
939 
940 	uint32_t	param_lp_100fdx:1,
941 			param_lp_100hdx:1,
942 			param_lp_10fdx:1,
943 			param_lp_10hdx:1,
944 			param_pad_to_32:28;
945 
946 } e1000g_t;
947 
948 
949 /*
950  * Function prototypes
951  */
952 int e1000g_alloc_dma_resources(struct e1000g *Adapter);
953 void e1000g_release_dma_resources(struct e1000g *Adapter);
954 void e1000g_free_rx_sw_packet(p_rx_sw_packet_t packet);
955 void e1000g_tx_setup(struct e1000g *Adapter);
956 void e1000g_rx_setup(struct e1000g *Adapter);
957 void e1000g_setup_multicast(struct e1000g *Adapter);
958 boolean_t e1000g_reset(struct e1000g *Adapter);
959 
960 int e1000g_recycle(e1000g_tx_ring_t *tx_ring);
961 void e1000g_free_tx_swpkt(p_tx_sw_packet_t packet);
962 void e1000g_tx_freemsg(e1000g_tx_ring_t *tx_ring);
963 uint_t e1000g_tx_softint_worker(caddr_t arg1, caddr_t arg2);
964 mblk_t *e1000g_m_tx(void *arg, mblk_t *mp);
965 mblk_t *e1000g_receive(struct e1000g *Adapter);
966 void e1000g_rxfree_func(p_rx_sw_packet_t packet);
967 
968 int e1000g_m_stat(void *arg, uint_t stat, uint64_t *val);
969 int e1000g_init_stats(struct e1000g *Adapter);
970 void e1000_tbi_adjust_stats(struct e1000g *Adapter,
971     uint32_t frame_len, uint8_t *mac_addr);
972 
973 void e1000g_clear_interrupt(struct e1000g *Adapter);
974 void e1000g_mask_interrupt(struct e1000g *Adapter);
975 void e1000g_clear_all_interrupts(struct e1000g *Adapter);
976 void e1000g_clear_tx_interrupt(struct e1000g *Adapter);
977 void e1000g_mask_tx_interrupt(struct e1000g *Adapter);
978 void phy_spd_state(struct e1000_hw *hw, boolean_t enable);
979 void e1000_enable_pciex_master(struct e1000_hw *hw);
980 void e1000g_get_driver_control(struct e1000_hw *hw);
981 int e1000g_check_acc_handle(ddi_acc_handle_t handle);
982 int e1000g_check_dma_handle(ddi_dma_handle_t handle);
983 void e1000g_fm_ereport(struct e1000g *Adapter, char *detail);
984 void e1000g_set_fma_flags(struct e1000g *Adapter, int acc_flag, int dma_flag);
985 
986 int e1000g_reset_link(struct e1000g *Adapter);
987 
988 #pragma inline(e1000_rar_set)
989 
990 /*
991  * Global variables
992  */
993 extern boolean_t e1000g_force_detach;
994 extern uint32_t e1000g_mblks_pending;
995 extern krwlock_t e1000g_rx_detach_lock;
996 extern private_devi_list_t *e1000g_private_devi_list;
997 
998 #ifdef __cplusplus
999 }
1000 #endif
1001 
1002 #endif	/* _E1000G_SW_H */
1003