xref: /titanic_51/usr/src/uts/common/io/e1000g/e1000g_sw.h (revision 3b17bf656ccff642e3bb47eab92a32f02dff5e97)
1 /*
2  * This file is provided under a CDDLv1 license.  When using or
3  * redistributing this file, you may do so under this license.
4  * In redistributing this file this license must be included
5  * and no other modification of this header file is permitted.
6  *
7  * CDDL LICENSE SUMMARY
8  *
9  * Copyright(c) 1999 - 2009 Intel Corporation. All rights reserved.
10  *
11  * The contents of this file are subject to the terms of Version
12  * 1.0 of the Common Development and Distribution License (the "License").
13  *
14  * You should have received a copy of the License with this software.
15  * You can obtain a copy of the License at
16  *	http://www.opensolaris.org/os/licensing.
17  * See the License for the specific language governing permissions
18  * and limitations under the License.
19  */
20 
21 /*
22  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _E1000G_SW_H
27 #define	_E1000G_SW_H
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 /*
34  * **********************************************************************
35  * Module Name:								*
36  *   e1000g_sw.h							*
37  *									*
38  * Abstract:								*
39  *   This header file contains Software-related data structures		*
40  *   definitions.							*
41  *									*
42  * **********************************************************************
43  */
44 
45 #include <sys/types.h>
46 #include <sys/conf.h>
47 #include <sys/debug.h>
48 #include <sys/stropts.h>
49 #include <sys/stream.h>
50 #include <sys/strsun.h>
51 #include <sys/strlog.h>
52 #include <sys/kmem.h>
53 #include <sys/stat.h>
54 #include <sys/kstat.h>
55 #include <sys/modctl.h>
56 #include <sys/errno.h>
57 #include <sys/mac_provider.h>
58 #include <sys/mac_ether.h>
59 #include <sys/vlan.h>
60 #include <sys/ddi.h>
61 #include <sys/sunddi.h>
62 #include <sys/disp.h>
63 #include <sys/pci.h>
64 #include <sys/sdt.h>
65 #include <sys/ethernet.h>
66 #include <sys/pattr.h>
67 #include <sys/strsubr.h>
68 #include <sys/netlb.h>
69 #include <inet/common.h>
70 #include <inet/ip.h>
71 #include <inet/tcp.h>
72 #include <inet/mi.h>
73 #include <inet/nd.h>
74 #include <sys/ddifm.h>
75 #include <sys/fm/protocol.h>
76 #include <sys/fm/util.h>
77 #include <sys/fm/io/ddi.h>
78 #include "e1000_api.h"
79 
80 /* Driver states */
81 #define	E1000G_UNKNOWN			0x00
82 #define	E1000G_INITIALIZED		0x01
83 #define	E1000G_STARTED			0x02
84 #define	E1000G_SUSPENDED		0x04
85 #define	E1000G_ERROR			0x80
86 
87 #define	JUMBO_FRAG_LENGTH		4096
88 
89 #define	LAST_RAR_ENTRY			(E1000_RAR_ENTRIES - 1)
90 #define	MAX_NUM_UNICAST_ADDRESSES	E1000_RAR_ENTRIES
91 #define	MCAST_ALLOC_SIZE		256
92 
93 /*
94  * MAX_COOKIES = max_LSO_packet_size(65535 + ethernet_header_len)/page_size
95  *	+ one for cross page split
96  * MAX_TX_DESC_PER_PACKET = MAX_COOKIES + one for the context descriptor +
97  *	two for the workaround of the 82546 chip
98  */
99 #define	MAX_COOKIES			18
100 #define	MAX_TX_DESC_PER_PACKET		21
101 
102 /*
103  * constants used in setting flow control thresholds
104  */
105 #define	E1000_PBA_MASK		0xffff
106 #define	E1000_PBA_SHIFT		10
107 #define	E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
108 #define	E1000_FC_LOW_DIFF	0x1640 /* Low: 5696 bytes below Rx FIFO size */
109 #define	E1000_FC_PAUSE_TIME	0x0680 /* 858 usec */
110 
111 #define	MAX_NUM_TX_DESCRIPTOR		4096
112 #define	MAX_NUM_RX_DESCRIPTOR		4096
113 #define	MAX_NUM_RX_FREELIST		4096
114 #define	MAX_NUM_TX_FREELIST		4096
115 #define	MAX_RX_LIMIT_ON_INTR		4096
116 #define	MAX_RX_INTR_DELAY		65535
117 #define	MAX_RX_INTR_ABS_DELAY		65535
118 #define	MAX_TX_INTR_DELAY		65535
119 #define	MAX_TX_INTR_ABS_DELAY		65535
120 #define	MAX_INTR_THROTTLING		65535
121 #define	MAX_RX_BCOPY_THRESHOLD		E1000_RX_BUFFER_SIZE_2K
122 #define	MAX_TX_BCOPY_THRESHOLD		E1000_TX_BUFFER_SIZE_2K
123 #define	MAX_MCAST_NUM			8192
124 
125 #define	MIN_NUM_TX_DESCRIPTOR		80
126 #define	MIN_NUM_RX_DESCRIPTOR		80
127 #define	MIN_NUM_RX_FREELIST		64
128 #define	MIN_NUM_TX_FREELIST		80
129 #define	MIN_RX_LIMIT_ON_INTR		16
130 #define	MIN_RX_INTR_DELAY		0
131 #define	MIN_RX_INTR_ABS_DELAY		0
132 #define	MIN_TX_INTR_DELAY		0
133 #define	MIN_TX_INTR_ABS_DELAY		0
134 #define	MIN_INTR_THROTTLING		0
135 #define	MIN_RX_BCOPY_THRESHOLD		0
136 #define	MIN_TX_BCOPY_THRESHOLD		ETHERMIN
137 #define	MIN_MCAST_NUM			8
138 
139 #define	DEFAULT_NUM_RX_DESCRIPTOR	2048
140 #define	DEFAULT_NUM_TX_DESCRIPTOR	2048
141 #define	DEFAULT_NUM_RX_FREELIST		4096
142 #define	DEFAULT_NUM_TX_FREELIST		2304
143 #define	DEFAULT_RX_LIMIT_ON_INTR	128
144 
145 #ifdef __sparc
146 #define	MAX_INTR_PER_SEC		7100
147 #define	MIN_INTR_PER_SEC		3000
148 #define	DEFAULT_INTR_PACKET_LOW		5
149 #define	DEFAULT_INTR_PACKET_HIGH	128
150 #else
151 #define	MAX_INTR_PER_SEC		15000
152 #define	MIN_INTR_PER_SEC		4000
153 #define	DEFAULT_INTR_PACKET_LOW		10
154 #define	DEFAULT_INTR_PACKET_HIGH	48
155 #endif
156 
157 #define	DEFAULT_RX_INTR_DELAY		0
158 #define	DEFAULT_RX_INTR_ABS_DELAY	64
159 #define	DEFAULT_TX_INTR_DELAY		64
160 #define	DEFAULT_TX_INTR_ABS_DELAY	64
161 #define	DEFAULT_INTR_THROTTLING_HIGH    1000000000/(MIN_INTR_PER_SEC*256)
162 #define	DEFAULT_INTR_THROTTLING_LOW	1000000000/(MAX_INTR_PER_SEC*256)
163 #define	DEFAULT_INTR_THROTTLING		DEFAULT_INTR_THROTTLING_LOW
164 
165 #define	DEFAULT_RX_BCOPY_THRESHOLD	128
166 #define	DEFAULT_TX_BCOPY_THRESHOLD	512
167 #define	DEFAULT_TX_UPDATE_THRESHOLD	256
168 #define	DEFAULT_TX_NO_RESOURCE		MAX_TX_DESC_PER_PACKET
169 
170 #define	DEFAULT_TX_INTR_ENABLE		1
171 #define	DEFAULT_FLOW_CONTROL		3
172 #define	DEFAULT_MASTER_LATENCY_TIMER	0	/* BIOS should decide */
173 						/* which is normally 0x040 */
174 #define	DEFAULT_TBI_COMPAT_ENABLE	1	/* Enable SBP workaround */
175 #define	DEFAULT_MSI_ENABLE		1	/* MSI Enable */
176 #define	DEFAULT_TX_HCKSUM_ENABLE	1	/* Hardware checksum enable */
177 #define	DEFAULT_LSO_ENABLE		1	/* LSO enable */
178 #define	DEFAULT_MEM_WORKAROUND_82546	1	/* 82546 memory workaround */
179 
180 #define	TX_DRAIN_TIME		(200)	/* # milliseconds xmit drain */
181 #define	RX_DRAIN_TIME		(200)	/* # milliseconds recv drain */
182 
183 #define	TX_STALL_TIME_2S		(200)	/* in unit of tick */
184 #define	TX_STALL_TIME_8S		(800)	/* in unit of tick */
185 
186 /*
187  * The size of the receive/transmite buffers
188  */
189 #define	E1000_RX_BUFFER_SIZE_2K		(2048)
190 #define	E1000_RX_BUFFER_SIZE_4K		(4096)
191 #define	E1000_RX_BUFFER_SIZE_8K		(8192)
192 #define	E1000_RX_BUFFER_SIZE_16K	(16384)
193 
194 #define	E1000_TX_BUFFER_SIZE_2K		(2048)
195 #define	E1000_TX_BUFFER_SIZE_4K		(4096)
196 #define	E1000_TX_BUFFER_SIZE_8K		(8192)
197 #define	E1000_TX_BUFFER_SIZE_16K	(16384)
198 
199 #define	E1000_TX_BUFFER_OEVRRUN_THRESHOLD	(2015)
200 
201 #define	E1000G_RX_NORMAL		0x0
202 #define	E1000G_RX_STOPPED		0x1
203 
204 #define	E1000G_CHAIN_NO_LIMIT		0
205 
206 /*
207  * definitions for smartspeed workaround
208  */
209 #define	  E1000_SMARTSPEED_MAX		30	/* 30 watchdog iterations */
210 						/* or 30 seconds */
211 #define	  E1000_SMARTSPEED_DOWNSHIFT	6	/* 6 watchdog iterations */
212 						/* or 6 seconds */
213 
214 /*
215  * Definitions for module_info.
216  */
217 #define	 WSNAME			"e1000g"	/* module name */
218 
219 /*
220  * Defined for IP header alignment. We also need to preserve space for
221  * VLAN tag (4 bytes)
222  */
223 #define	E1000G_IPALIGNROOM		6
224 #define	E1000G_IPALIGNPRESERVEROOM	64
225 
226 /*
227  * bit flags for 'attach_progress' which is a member variable in struct e1000g
228  */
229 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
230 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
231 #define	ATTACH_PROGRESS_SETUP		0x0004	/* Setup driver parameters */
232 #define	ATTACH_PROGRESS_ADD_INTR	0x0008	/* Interrupt added */
233 #define	ATTACH_PROGRESS_LOCKS		0x0010	/* Locks initialized */
234 #define	ATTACH_PROGRESS_SOFT_INTR	0x0020	/* Soft interrupt added */
235 #define	ATTACH_PROGRESS_KSTATS		0x0040	/* Kstats created */
236 #define	ATTACH_PROGRESS_ALLOC		0x0080	/* DMA resources allocated */
237 #define	ATTACH_PROGRESS_INIT		0x0100	/* Driver initialization */
238 /* 0200 used to be PROGRESS_NDD. Now unused */
239 #define	ATTACH_PROGRESS_MAC		0x0400	/* MAC registered */
240 #define	ATTACH_PROGRESS_ENABLE_INTR	0x0800	/* DDI interrupts enabled */
241 #define	ATTACH_PROGRESS_FMINIT		0x1000	/* FMA initiated */
242 
243 /*
244  * Speed and Duplex Settings
245  */
246 #define	GDIAG_10_HALF		1
247 #define	GDIAG_10_FULL		2
248 #define	GDIAG_100_HALF		3
249 #define	GDIAG_100_FULL		4
250 #define	GDIAG_1000_FULL		6
251 #define	GDIAG_ANY		7
252 
253 /*
254  * Coexist Workaround RP: 07/04/03
255  * 82544 Workaround : Co-existence
256  */
257 #define	MAX_TX_BUF_SIZE		(8 * 1024)
258 
259 /*
260  * Defines for Jumbo Frame
261  */
262 #define	FRAME_SIZE_UPTO_2K	2048
263 #define	FRAME_SIZE_UPTO_4K	4096
264 #define	FRAME_SIZE_UPTO_8K	8192
265 #define	FRAME_SIZE_UPTO_16K	16384
266 #define	FRAME_SIZE_UPTO_9K	9234
267 
268 #define	DEFAULT_MTU		ETHERMTU
269 #define	MAXIMUM_MTU_4K		4096
270 #define	MAXIMUM_MTU_9K		9216
271 
272 #define	DEFAULT_FRAME_SIZE	\
273 	(DEFAULT_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
274 #define	MAXIMUM_FRAME_SIZE	\
275 	(MAXIMUM_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
276 
277 #define	E1000_LSO_MAXLEN	65535
278 
279 /* Defines for Tx stall check */
280 #define	E1000G_STALL_WATCHDOG_COUNT	8
281 
282 #define	MAX_TX_LINK_DOWN_TIMEOUT	8
283 
284 /* Defines for DVMA */
285 #ifdef __sparc
286 #define	E1000G_DEFAULT_DVMA_PAGE_NUM	2
287 #endif
288 
289 /*
290  * Loopback definitions
291  */
292 #define	E1000G_LB_NONE			0
293 #define	E1000G_LB_EXTERNAL_1000		1
294 #define	E1000G_LB_EXTERNAL_100		2
295 #define	E1000G_LB_EXTERNAL_10		3
296 #define	E1000G_LB_INTERNAL_PHY		4
297 
298 /*
299  * Private dip list definitions
300  */
301 #define	E1000G_PRIV_DEVI_ATTACH	0x0
302 #define	E1000G_PRIV_DEVI_DETACH	0x1
303 
304 /*
305  * Tx descriptor LENGTH field mask
306  */
307 #define	E1000G_TBD_LENGTH_MASK		0x000fffff
308 
309 #define	E1000G_IS_VLAN_PACKET(ptr)				\
310 	((((struct ether_vlan_header *)(uintptr_t)ptr)->ether_tpid) ==	\
311 	htons(ETHERTYPE_VLAN))
312 
313 /*
314  * QUEUE_INIT_LIST -- Macro which will init ialize a queue to NULL.
315  */
316 #define	QUEUE_INIT_LIST(_LH)	\
317 	(_LH)->Flink = (_LH)->Blink = (PSINGLE_LIST_LINK)0
318 
319 /*
320  * IS_QUEUE_EMPTY -- Macro which checks to see if a queue is empty.
321  */
322 #define	IS_QUEUE_EMPTY(_LH)	\
323 	((_LH)->Flink == (PSINGLE_LIST_LINK)0)
324 
325 /*
326  * QUEUE_GET_HEAD -- Macro which returns the head of the queue, but does
327  * not remove the head from the queue.
328  */
329 #define	QUEUE_GET_HEAD(_LH)	((PSINGLE_LIST_LINK)((_LH)->Flink))
330 
331 /*
332  * QUEUE_REMOVE_HEAD -- Macro which removes the head of the head of a queue.
333  */
334 #define	QUEUE_REMOVE_HEAD(_LH)	\
335 { \
336 	PSINGLE_LIST_LINK ListElem; \
337 	if (ListElem = (_LH)->Flink) \
338 	{ \
339 		if (!((_LH)->Flink = ListElem->Flink)) \
340 			(_LH)->Blink = (PSINGLE_LIST_LINK) 0; \
341 	} \
342 }
343 
344 /*
345  * QUEUE_POP_HEAD -- Macro which  will pop the head off of a queue (list),
346  *	and return it (this differs from QUEUE_REMOVE_HEAD only in
347  *	the 1st line).
348  */
349 #define	QUEUE_POP_HEAD(_LH)	\
350 	(PSINGLE_LIST_LINK)(_LH)->Flink; \
351 	{ \
352 		PSINGLE_LIST_LINK ListElem; \
353 		ListElem = (_LH)->Flink; \
354 		if (ListElem) \
355 		{ \
356 			(_LH)->Flink = ListElem->Flink; \
357 			if (!(_LH)->Flink) \
358 				(_LH)->Blink = (PSINGLE_LIST_LINK)0; \
359 		} \
360 	}
361 
362 /*
363  * QUEUE_GET_TAIL -- Macro which returns the tail of the queue, but does not
364  *	remove the tail from the queue.
365  */
366 #define	QUEUE_GET_TAIL(_LH)	((PSINGLE_LIST_LINK)((_LH)->Blink))
367 
368 /*
369  * QUEUE_PUSH_TAIL -- Macro which puts an element at the tail (end) of the queue
370  */
371 #define	QUEUE_PUSH_TAIL(_LH, _E)	\
372 	if ((_LH)->Blink) \
373 	{ \
374 		((PSINGLE_LIST_LINK)(_LH)->Blink)->Flink = \
375 			(PSINGLE_LIST_LINK)(_E); \
376 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
377 	} else { \
378 		(_LH)->Flink = \
379 			(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
380 	} \
381 	(_E)->Flink = (PSINGLE_LIST_LINK)0;
382 
383 /*
384  * QUEUE_PUSH_HEAD -- Macro which puts an element at the head of the queue.
385  */
386 #define	QUEUE_PUSH_HEAD(_LH, _E)	\
387 	if (!((_E)->Flink = (_LH)->Flink)) \
388 	{ \
389 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
390 	} \
391 	(_LH)->Flink = (PSINGLE_LIST_LINK)(_E);
392 
393 /*
394  * QUEUE_GET_NEXT -- Macro which returns the next element linked to the
395  *	current element.
396  */
397 #define	QUEUE_GET_NEXT(_LH, _E)		\
398 	(PSINGLE_LIST_LINK)((((_LH)->Blink) == (_E)) ? \
399 	(0) : ((_E)->Flink))
400 
401 /*
402  * QUEUE_APPEND -- Macro which appends a queue to the tail of another queue
403  */
404 #define	QUEUE_APPEND(_LH1, _LH2)	\
405 	if ((_LH2)->Flink) { \
406 		if ((_LH1)->Flink) { \
407 			((PSINGLE_LIST_LINK)(_LH1)->Blink)->Flink = \
408 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
409 		} else { \
410 			(_LH1)->Flink = \
411 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
412 		} \
413 		(_LH1)->Blink = ((PSINGLE_LIST_LINK)(_LH2)->Blink); \
414 	}
415 
416 
417 #define	QUEUE_SWITCH(_LH1, _LH2)					\
418 	if ((_LH2)->Flink) { 						\
419 		(_LH1)->Flink = (_LH2)->Flink;				\
420 		(_LH1)->Blink = (_LH2)->Blink;				\
421 		(_LH2)->Flink = (_LH2)->Blink = (PSINGLE_LIST_LINK)0;	\
422 	}
423 
424 /*
425  * Property lookups
426  */
427 #define	E1000G_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
428 						DDI_PROP_DONTPASS, (n))
429 #define	E1000G_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
430 						DDI_PROP_DONTPASS, (n), -1)
431 
432 #ifdef E1000G_DEBUG
433 /*
434  * E1000G-specific ioctls ...
435  */
436 #define	E1000G_IOC		((((((('E' << 4) + '1') << 4) \
437 				+ 'K') << 4) + 'G') << 4)
438 
439 /*
440  * These diagnostic IOCTLS are enabled only in DEBUG drivers
441  */
442 #define	E1000G_IOC_REG_PEEK	(E1000G_IOC | 1)
443 #define	E1000G_IOC_REG_POKE	(E1000G_IOC | 2)
444 #define	E1000G_IOC_CHIP_RESET	(E1000G_IOC | 3)
445 
446 #define	E1000G_PP_SPACE_REG	0	/* PCI memory space	*/
447 #define	E1000G_PP_SPACE_E1000G	1	/* driver's soft state	*/
448 
449 typedef struct {
450 	uint64_t pp_acc_size;	/* It's 1, 2, 4 or 8	*/
451 	uint64_t pp_acc_space;	/* See #defines below	*/
452 	uint64_t pp_acc_offset;	/* See regs definition	*/
453 	uint64_t pp_acc_data;	/* output for peek	*/
454 				/* input for poke	*/
455 } e1000g_peekpoke_t;
456 #endif	/* E1000G_DEBUG */
457 
458 /*
459  * (Internal) return values from ioctl subroutines
460  */
461 enum ioc_reply {
462 	IOC_INVAL = -1,		/* bad, NAK with EINVAL	*/
463 	IOC_DONE,		/* OK, reply sent	*/
464 	IOC_ACK,		/* OK, just send ACK	*/
465 	IOC_REPLY		/* OK, just send reply	*/
466 };
467 
468 /*
469  * Named Data (ND) Parameter Management Structure
470  */
471 typedef struct {
472 	uint32_t ndp_info;
473 	uint32_t ndp_min;
474 	uint32_t ndp_max;
475 	uint32_t ndp_val;
476 	struct e1000g *ndp_instance;
477 	char *ndp_name;
478 } nd_param_t;
479 
480 /*
481  * The entry of the private dip list
482  */
483 typedef struct _private_devi_list {
484 	dev_info_t *priv_dip;
485 	uint32_t flag;
486 	uint32_t pending_rx_count;
487 	struct _private_devi_list *prev;
488 	struct _private_devi_list *next;
489 } private_devi_list_t;
490 
491 /*
492  * A structure that points to the next entry in the queue.
493  */
494 typedef struct _SINGLE_LIST_LINK {
495 	struct _SINGLE_LIST_LINK *Flink;
496 } SINGLE_LIST_LINK, *PSINGLE_LIST_LINK;
497 
498 /*
499  * A "ListHead" structure that points to the head and tail of a queue
500  */
501 typedef struct _LIST_DESCRIBER {
502 	struct _SINGLE_LIST_LINK *volatile Flink;
503 	struct _SINGLE_LIST_LINK *volatile Blink;
504 } LIST_DESCRIBER, *PLIST_DESCRIBER;
505 
506 /*
507  * Address-Length pair structure that stores descriptor info
508  */
509 typedef struct _sw_desc {
510 	uint64_t address;
511 	uint32_t length;
512 } sw_desc_t, *p_sw_desc_t;
513 
514 typedef struct _desc_array {
515 	sw_desc_t descriptor[4];
516 	uint32_t elements;
517 } desc_array_t, *p_desc_array_t;
518 
519 typedef enum {
520 	USE_NONE,
521 	USE_BCOPY,
522 	USE_DVMA,
523 	USE_DMA
524 } dma_type_t;
525 
526 typedef struct _dma_buffer {
527 	caddr_t address;
528 	uint64_t dma_address;
529 	ddi_acc_handle_t acc_handle;
530 	ddi_dma_handle_t dma_handle;
531 	size_t size;
532 	size_t len;
533 } dma_buffer_t, *p_dma_buffer_t;
534 
535 /*
536  * Transmit Control Block (TCB), Ndis equiv of SWPacket This
537  * structure stores the additional information that is
538  * associated with every packet to be transmitted. It stores the
539  * message block pointer and the TBD addresses associated with
540  * the m_blk and also the link to the next tcb in the chain
541  */
542 typedef struct _tx_sw_packet {
543 	/* Link to the next tx_sw_packet in the list */
544 	SINGLE_LIST_LINK Link;
545 	mblk_t *mp;
546 	uint32_t num_desc;
547 	uint32_t num_mblk_frag;
548 	dma_type_t dma_type;
549 	dma_type_t data_transfer_type;
550 	ddi_dma_handle_t tx_dma_handle;
551 	dma_buffer_t tx_buf[1];
552 	sw_desc_t desc[MAX_TX_DESC_PER_PACKET];
553 	int64_t tickstamp;
554 } tx_sw_packet_t, *p_tx_sw_packet_t;
555 
556 /*
557  * This structure is similar to the rx_sw_packet structure used
558  * for Ndis. This structure stores information about the 2k
559  * aligned receive buffer into which the FX1000 DMA's frames.
560  * This structure is maintained as a linked list of many
561  * receiver buffer pointers.
562  */
563 typedef struct _rx_sw_packet {
564 	/* Link to the next rx_sw_packet_t in the list */
565 	SINGLE_LIST_LINK Link;
566 	struct _rx_sw_packet *next;
567 	uint32_t ref_cnt;
568 	mblk_t *mp;
569 	caddr_t rx_data;
570 	dma_type_t dma_type;
571 	frtn_t free_rtn;
572 	dma_buffer_t rx_buf[1];
573 } rx_sw_packet_t, *p_rx_sw_packet_t;
574 
575 typedef struct _mblk_list {
576 	mblk_t *head;
577 	mblk_t *tail;
578 } mblk_list_t, *p_mblk_list_t;
579 
580 typedef struct _context_data {
581 	uint32_t ether_header_size;
582 	uint32_t cksum_flags;
583 	uint32_t cksum_start;
584 	uint32_t cksum_stuff;
585 	uint16_t mss;
586 	uint8_t hdr_len;
587 	uint32_t pay_len;
588 	boolean_t lso_flag;
589 } context_data_t;
590 
591 typedef union _e1000g_ether_addr {
592 	struct {
593 		uint32_t high;
594 		uint32_t low;
595 	} reg;
596 	struct {
597 		uint8_t set;
598 		uint8_t redundant;
599 		uint8_t addr[ETHERADDRL];
600 	} mac;
601 } e1000g_ether_addr_t;
602 
603 typedef struct _e1000g_stat {
604 
605 	kstat_named_t link_speed;	/* Link Speed */
606 	kstat_named_t reset_count;	/* Reset Count */
607 
608 	kstat_named_t rx_error;		/* Rx Error in Packet */
609 	kstat_named_t rx_allocb_fail;	/* Rx Allocb Failure */
610 	kstat_named_t rx_size_error;	/* Rx Size Error */
611 
612 	kstat_named_t tx_no_desc;	/* Tx No Desc */
613 	kstat_named_t tx_no_swpkt;	/* Tx No Pkt Buffer */
614 	kstat_named_t tx_send_fail;	/* Tx SendPkt Failure */
615 	kstat_named_t tx_over_size;	/* Tx Pkt Too Long */
616 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
617 
618 #ifdef E1000G_DEBUG
619 	kstat_named_t rx_none;		/* Rx No Incoming Data */
620 	kstat_named_t rx_multi_desc;	/* Rx Multi Spanned Pkt */
621 	kstat_named_t rx_no_freepkt;	/* Rx No Free Pkt */
622 	kstat_named_t rx_avail_freepkt;	/* Rx Freelist Avail Buffers */
623 
624 	kstat_named_t tx_under_size;	/* Tx Packet Under Size */
625 	kstat_named_t tx_empty_frags;	/* Tx Empty Frags */
626 	kstat_named_t tx_exceed_frags;	/* Tx Exceed Max Frags */
627 	kstat_named_t tx_recycle;	/* Tx Recycle */
628 	kstat_named_t tx_recycle_intr;	/* Tx Recycle in Intr */
629 	kstat_named_t tx_recycle_retry;	/* Tx Recycle Retry */
630 	kstat_named_t tx_recycle_none;	/* Tx No Desc Recycled */
631 	kstat_named_t tx_copy;		/* Tx Send Copy */
632 	kstat_named_t tx_bind;		/* Tx Send Bind */
633 	kstat_named_t tx_multi_copy;	/* Tx Copy Multi Fragments */
634 	kstat_named_t tx_multi_cookie;	/* Tx Pkt Span Multi Cookies */
635 	kstat_named_t tx_lack_desc;	/* Tx Lack of Desc */
636 #endif
637 
638 	kstat_named_t Crcerrs;	/* CRC Error Count */
639 	kstat_named_t Symerrs;	/* Symbol Error Count */
640 	kstat_named_t Mpc;	/* Missed Packet Count */
641 	kstat_named_t Scc;	/* Single Collision Count */
642 	kstat_named_t Ecol;	/* Excessive Collision Count */
643 	kstat_named_t Mcc;	/* Multiple Collision Count */
644 	kstat_named_t Latecol;	/* Late Collision Count */
645 	kstat_named_t Colc;	/* Collision Count */
646 	kstat_named_t Dc;	/* Defer Count */
647 	kstat_named_t Sec;	/* Sequence Error Count */
648 	kstat_named_t Rlec;	/* Receive Length Error Count */
649 	kstat_named_t Xonrxc;	/* XON Received Count */
650 	kstat_named_t Xontxc;	/* XON Xmitted Count */
651 	kstat_named_t Xoffrxc;	/* XOFF Received Count */
652 	kstat_named_t Xofftxc;	/* Xoff Xmitted Count */
653 	kstat_named_t Fcruc;	/* Unknown Flow Conrol Packet Rcvd Count */
654 #ifdef E1000G_DEBUG
655 	kstat_named_t Prc64;	/* Packets Received - 64b */
656 	kstat_named_t Prc127;	/* Packets Received - 65-127b */
657 	kstat_named_t Prc255;	/* Packets Received - 127-255b */
658 	kstat_named_t Prc511;	/* Packets Received - 256-511b */
659 	kstat_named_t Prc1023;	/* Packets Received - 511-1023b */
660 	kstat_named_t Prc1522;	/* Packets Received - 1024-1522b */
661 #endif
662 	kstat_named_t Gprc;	/* Good Packets Received Count */
663 	kstat_named_t Bprc;	/* Broadcasts Pkts Received Count */
664 	kstat_named_t Mprc;	/* Multicast Pkts Received Count */
665 	kstat_named_t Gptc;	/* Good Packets Xmitted Count */
666 	kstat_named_t Gorl;	/* Good Octets Recvd Lo Count */
667 	kstat_named_t Gorh;	/* Good Octets Recvd Hi Count */
668 	kstat_named_t Gotl;	/* Good Octets Xmitd Lo Count */
669 	kstat_named_t Goth;	/* Good Octets Xmitd Hi Count */
670 	kstat_named_t Rnbc;	/* Receive No Buffers Count */
671 	kstat_named_t Ruc;	/* Receive Undersize Count */
672 	kstat_named_t Rfc;	/* Receive Frag Count */
673 	kstat_named_t Roc;	/* Receive Oversize Count */
674 	kstat_named_t Rjc;	/* Receive Jabber Count */
675 	kstat_named_t Torl;	/* Total Octets Recvd Lo Count */
676 	kstat_named_t Torh;	/* Total Octets Recvd Hi Count */
677 	kstat_named_t Totl;	/* Total Octets Xmted Lo Count */
678 	kstat_named_t Toth;	/* Total Octets Xmted Hi Count */
679 	kstat_named_t Tpr;	/* Total Packets Received */
680 	kstat_named_t Tpt;	/* Total Packets Xmitted */
681 #ifdef E1000G_DEBUG
682 	kstat_named_t Ptc64;	/* Packets Xmitted (64b) */
683 	kstat_named_t Ptc127;	/* Packets Xmitted (64-127b) */
684 	kstat_named_t Ptc255;	/* Packets Xmitted (128-255b) */
685 	kstat_named_t Ptc511;	/* Packets Xmitted (255-511b) */
686 	kstat_named_t Ptc1023;	/* Packets Xmitted (512-1023b) */
687 	kstat_named_t Ptc1522;	/* Packets Xmitted (1024-1522b */
688 #endif
689 	kstat_named_t Mptc;	/* Multicast Packets Xmited Count */
690 	kstat_named_t Bptc;	/* Broadcast Packets Xmited Count */
691 	kstat_named_t Algnerrc;	/* Alignment Error count */
692 	kstat_named_t Tuc;	/* Transmit Underrun count */
693 	kstat_named_t Rxerrc;	/* Rx Error Count */
694 	kstat_named_t Tncrs;	/* Transmit with no CRS */
695 	kstat_named_t Cexterr;	/* Carrier Extension Error count */
696 	kstat_named_t Rutec;	/* Receive DMA too Early count */
697 	kstat_named_t Tsctc;	/* TCP seg contexts xmit count */
698 	kstat_named_t Tsctfc;	/* TCP seg contexts xmit fail count */
699 } e1000g_stat_t, *p_e1000g_stat_t;
700 
701 typedef struct _e1000g_tx_ring {
702 	kmutex_t tx_lock;
703 	kmutex_t freelist_lock;
704 	kmutex_t usedlist_lock;
705 	/*
706 	 * Descriptor queue definitions
707 	 */
708 	ddi_dma_handle_t tbd_dma_handle;
709 	ddi_acc_handle_t tbd_acc_handle;
710 	struct e1000_tx_desc *tbd_area;
711 	uint64_t tbd_dma_addr;
712 	struct e1000_tx_desc *tbd_first;
713 	struct e1000_tx_desc *tbd_last;
714 	struct e1000_tx_desc *tbd_oldest;
715 	struct e1000_tx_desc *tbd_next;
716 	uint32_t tbd_avail;
717 	/*
718 	 * Software packet structures definitions
719 	 */
720 	p_tx_sw_packet_t packet_area;
721 	LIST_DESCRIBER used_list;
722 	LIST_DESCRIBER free_list;
723 	/*
724 	 * TCP/UDP Context Data Information
725 	 */
726 	context_data_t pre_context;
727 	/*
728 	 * Timer definitions for 82547
729 	 */
730 	timeout_id_t timer_id_82547;
731 	boolean_t timer_enable_82547;
732 	/*
733 	 * reschedule when tx resource is available
734 	 */
735 	boolean_t resched_needed;
736 	clock_t resched_timestamp;
737 	mblk_list_t mblks;
738 	/*
739 	 * Statistics
740 	 */
741 	uint32_t stat_no_swpkt;
742 	uint32_t stat_no_desc;
743 	uint32_t stat_send_fail;
744 	uint32_t stat_reschedule;
745 	uint32_t stat_timer_reschedule;
746 	uint32_t stat_over_size;
747 #ifdef E1000G_DEBUG
748 	uint32_t stat_under_size;
749 	uint32_t stat_exceed_frags;
750 	uint32_t stat_empty_frags;
751 	uint32_t stat_recycle;
752 	uint32_t stat_recycle_intr;
753 	uint32_t stat_recycle_retry;
754 	uint32_t stat_recycle_none;
755 	uint32_t stat_copy;
756 	uint32_t stat_bind;
757 	uint32_t stat_multi_copy;
758 	uint32_t stat_multi_cookie;
759 	uint32_t stat_lack_desc;
760 	uint32_t stat_lso_header_fail;
761 #endif
762 	/*
763 	 * Pointer to the adapter
764 	 */
765 	struct e1000g *adapter;
766 } e1000g_tx_ring_t, *pe1000g_tx_ring_t;
767 
768 typedef struct _e1000g_rx_data {
769 	kmutex_t freelist_lock;
770 	kmutex_t recycle_lock;
771 	/*
772 	 * Descriptor queue definitions
773 	 */
774 	ddi_dma_handle_t rbd_dma_handle;
775 	ddi_acc_handle_t rbd_acc_handle;
776 	struct e1000_rx_desc *rbd_area;
777 	uint64_t rbd_dma_addr;
778 	struct e1000_rx_desc *rbd_first;
779 	struct e1000_rx_desc *rbd_last;
780 	struct e1000_rx_desc *rbd_next;
781 	/*
782 	 * Software packet structures definitions
783 	 */
784 	p_rx_sw_packet_t packet_area;
785 	LIST_DESCRIBER recv_list;
786 	LIST_DESCRIBER free_list;
787 	LIST_DESCRIBER recycle_list;
788 	uint32_t flag;
789 
790 	uint32_t pending_count;
791 	uint32_t avail_freepkt;
792 	uint32_t recycle_freepkt;
793 	uint32_t rx_mblk_len;
794 	mblk_t *rx_mblk;
795 	mblk_t *rx_mblk_tail;
796 
797 	private_devi_list_t *priv_devi_node;
798 	struct _e1000g_rx_ring *rx_ring;
799 } e1000g_rx_data_t;
800 
801 typedef struct _e1000g_rx_ring {
802 	e1000g_rx_data_t *rx_data;
803 
804 	kmutex_t rx_lock;
805 
806 	mac_ring_handle_t mrh;
807 	mac_ring_handle_t mrh_init;
808 	uint64_t ring_gen_num;
809 	boolean_t poll_flag;
810 
811 	/*
812 	 * Statistics
813 	 */
814 	uint32_t stat_error;
815 	uint32_t stat_allocb_fail;
816 	uint32_t stat_exceed_pkt;
817 	uint32_t stat_size_error;
818 #ifdef E1000G_DEBUG
819 	uint32_t stat_none;
820 	uint32_t stat_multi_desc;
821 	uint32_t stat_no_freepkt;
822 #endif
823 	/*
824 	 * Pointer to the adapter
825 	 */
826 	struct e1000g *adapter;
827 } e1000g_rx_ring_t, *pe1000g_rx_ring_t;
828 
829 typedef struct e1000g {
830 	int instance;
831 	dev_info_t *dip;
832 	dev_info_t *priv_dip;
833 	private_devi_list_t *priv_devi_node;
834 	mac_handle_t mh;
835 	mac_resource_handle_t mrh;
836 	struct e1000_hw shared;
837 	struct e1000g_osdep osdep;
838 
839 	uint32_t e1000g_state;
840 	boolean_t e1000g_promisc;
841 	boolean_t strip_crc;
842 	boolean_t rx_buffer_setup;
843 	boolean_t esb2_workaround;
844 	link_state_t link_state;
845 	uint32_t link_speed;
846 	uint32_t link_duplex;
847 	uint32_t master_latency_timer;
848 	uint32_t smartspeed;	/* smartspeed w/a counter */
849 	uint32_t init_count;
850 	uint32_t reset_count;
851 	boolean_t reset_flag;
852 	uint32_t stall_threshold;
853 	boolean_t stall_flag;
854 	uint32_t attach_progress;	/* attach tracking */
855 	uint32_t loopback_mode;
856 	uint32_t pending_rx_count;
857 
858 	uint32_t tx_desc_num;
859 	uint32_t tx_freelist_num;
860 	uint32_t rx_desc_num;
861 	uint32_t rx_freelist_num;
862 	uint32_t tx_buffer_size;
863 	uint32_t rx_buffer_size;
864 
865 	uint32_t tx_link_down_timeout;
866 	uint32_t tx_bcopy_thresh;
867 	uint32_t rx_limit_onintr;
868 	uint32_t rx_bcopy_thresh;
869 	uint32_t rx_buf_align;
870 	uint32_t desc_align;
871 
872 	boolean_t intr_adaptive;
873 	boolean_t tx_intr_enable;
874 	uint32_t tx_intr_delay;
875 	uint32_t tx_intr_abs_delay;
876 	uint32_t rx_intr_delay;
877 	uint32_t rx_intr_abs_delay;
878 	uint32_t intr_throttling_rate;
879 
880 	uint32_t default_mtu;
881 	uint32_t max_mtu;
882 	uint32_t max_frame_size;
883 	uint32_t min_frame_size;
884 
885 	boolean_t watchdog_timer_enabled;
886 	boolean_t watchdog_timer_started;
887 	timeout_id_t watchdog_tid;
888 	boolean_t link_complete;
889 	timeout_id_t link_tid;
890 
891 	e1000g_rx_ring_t rx_ring[1];
892 	e1000g_tx_ring_t tx_ring[1];
893 	mac_group_handle_t rx_group;
894 
895 	/*
896 	 * Rx and Tx packet count for interrupt adaptive setting
897 	 */
898 	uint32_t rx_pkt_cnt;
899 	uint32_t tx_pkt_cnt;
900 
901 	/*
902 	 * The watchdog_lock must be held when updateing the
903 	 * timeout fields in struct e1000g, that is,
904 	 * watchdog_tid, watchdog_timer_started.
905 	 */
906 	kmutex_t watchdog_lock;
907 	/*
908 	 * The link_lock protects the link fields in struct e1000g,
909 	 * such as link_state, link_speed, link_duplex, link_complete, and
910 	 * link_tid.
911 	 */
912 	kmutex_t link_lock;
913 	/*
914 	 * The chip_lock assures that the Rx/Tx process must be
915 	 * stopped while other functions change the hardware
916 	 * configuration of e1000g card, such as e1000g_reset(),
917 	 * e1000g_reset_hw() etc are executed.
918 	 */
919 	krwlock_t chip_lock;
920 
921 	boolean_t unicst_init;
922 	uint32_t unicst_avail;
923 	uint32_t unicst_total;
924 	e1000g_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
925 
926 	uint32_t mcast_count;
927 	uint32_t mcast_max_num;
928 	uint32_t mcast_alloc_count;
929 	struct ether_addr *mcast_table;
930 
931 	ulong_t sys_page_sz;
932 #ifdef __sparc
933 	uint_t dvma_page_num;
934 #endif
935 
936 	boolean_t msi_enable;
937 	boolean_t tx_hcksum_enable;
938 	boolean_t lso_enable;
939 	boolean_t lso_premature_issue;
940 	boolean_t mem_workaround_82546;
941 	int intr_type;
942 	int intr_cnt;
943 	int intr_cap;
944 	size_t intr_size;
945 	uint_t intr_pri;
946 	ddi_intr_handle_t *htable;
947 
948 	int tx_softint_pri;
949 	ddi_softint_handle_t tx_softint_handle;
950 
951 	kstat_t *e1000g_ksp;
952 
953 	boolean_t poll_mode;
954 
955 	uint16_t phy_ctrl;		/* contents of PHY_CTRL */
956 	uint16_t phy_status;		/* contents of PHY_STATUS */
957 	uint16_t phy_an_adv;		/* contents of PHY_AUTONEG_ADV */
958 	uint16_t phy_an_exp;		/* contents of PHY_AUTONEG_EXP */
959 	uint16_t phy_ext_status;	/* contents of PHY_EXT_STATUS */
960 	uint16_t phy_1000t_ctrl;	/* contents of PHY_1000T_CTRL */
961 	uint16_t phy_1000t_status;	/* contents of PHY_1000T_STATUS */
962 	uint16_t phy_lp_able;		/* contents of PHY_LP_ABILITY */
963 
964 	/*
965 	 * FMA capabilities
966 	 */
967 	int fm_capabilities;
968 
969 	uint32_t	param_en_1000fdx:1,
970 			param_en_1000hdx:1,
971 			param_en_100fdx:1,
972 			param_en_100hdx:1,
973 			param_en_10fdx:1,
974 			param_en_10hdx:1,
975 			param_autoneg_cap:1,
976 			param_pause_cap:1,
977 			param_asym_pause_cap:1,
978 			param_1000fdx_cap:1,
979 			param_1000hdx_cap:1,
980 			param_100t4_cap:1,
981 			param_100fdx_cap:1,
982 			param_100hdx_cap:1,
983 			param_10fdx_cap:1,
984 			param_10hdx_cap:1,
985 			param_adv_autoneg:1,
986 			param_adv_pause:1,
987 			param_adv_asym_pause:1,
988 			param_adv_1000fdx:1,
989 			param_adv_1000hdx:1,
990 			param_adv_100t4:1,
991 			param_adv_100fdx:1,
992 			param_adv_100hdx:1,
993 			param_adv_10fdx:1,
994 			param_adv_10hdx:1,
995 			param_lp_autoneg:1,
996 			param_lp_pause:1,
997 			param_lp_asym_pause:1,
998 			param_lp_1000fdx:1,
999 			param_lp_1000hdx:1,
1000 			param_lp_100t4:1;
1001 
1002 	uint32_t	param_lp_100fdx:1,
1003 			param_lp_100hdx:1,
1004 			param_lp_10fdx:1,
1005 			param_lp_10hdx:1,
1006 			param_pad_to_32:28;
1007 
1008 } e1000g_t;
1009 
1010 
1011 /*
1012  * Function prototypes
1013  */
1014 void e1000g_free_priv_devi_node(private_devi_list_t *devi_node);
1015 void e1000g_free_rx_pending_buffers(e1000g_rx_data_t *rx_data);
1016 void e1000g_free_rx_data(e1000g_rx_data_t *rx_data);
1017 int e1000g_alloc_dma_resources(struct e1000g *Adapter);
1018 void e1000g_release_dma_resources(struct e1000g *Adapter);
1019 void e1000g_free_rx_sw_packet(p_rx_sw_packet_t packet, boolean_t full_release);
1020 void e1000g_tx_setup(struct e1000g *Adapter);
1021 void e1000g_rx_setup(struct e1000g *Adapter);
1022 
1023 int e1000g_recycle(e1000g_tx_ring_t *tx_ring);
1024 void e1000g_free_tx_swpkt(p_tx_sw_packet_t packet);
1025 void e1000g_tx_freemsg(e1000g_tx_ring_t *tx_ring);
1026 uint_t e1000g_tx_softint_worker(caddr_t arg1, caddr_t arg2);
1027 mblk_t *e1000g_m_tx(void *arg, mblk_t *mp);
1028 mblk_t *e1000g_receive(e1000g_rx_ring_t *rx_ring, mblk_t **tail, uint_t sz);
1029 void e1000g_rxfree_func(p_rx_sw_packet_t packet);
1030 
1031 int e1000g_m_stat(void *arg, uint_t stat, uint64_t *val);
1032 int e1000g_init_stats(struct e1000g *Adapter);
1033 void e1000_tbi_adjust_stats(struct e1000g *Adapter,
1034     uint32_t frame_len, uint8_t *mac_addr);
1035 
1036 void e1000g_clear_interrupt(struct e1000g *Adapter);
1037 void e1000g_mask_interrupt(struct e1000g *Adapter);
1038 void e1000g_clear_all_interrupts(struct e1000g *Adapter);
1039 void e1000g_clear_tx_interrupt(struct e1000g *Adapter);
1040 void e1000g_mask_tx_interrupt(struct e1000g *Adapter);
1041 void phy_spd_state(struct e1000_hw *hw, boolean_t enable);
1042 void e1000_destroy_hw_mutex(struct e1000_hw *hw);
1043 void e1000_enable_pciex_master(struct e1000_hw *hw);
1044 int e1000g_check_acc_handle(ddi_acc_handle_t handle);
1045 int e1000g_check_dma_handle(ddi_dma_handle_t handle);
1046 void e1000g_fm_ereport(struct e1000g *Adapter, char *detail);
1047 void e1000g_set_fma_flags(struct e1000g *Adapter, int acc_flag, int dma_flag);
1048 int e1000g_reset_link(struct e1000g *Adapter);
1049 
1050 /*
1051  * Global variables
1052  */
1053 extern boolean_t e1000g_force_detach;
1054 extern uint32_t e1000g_mblks_pending;
1055 extern kmutex_t e1000g_rx_detach_lock;
1056 extern private_devi_list_t *e1000g_private_devi_list;
1057 extern int e1000g_poll_mode;
1058 
1059 #ifdef __cplusplus
1060 }
1061 #endif
1062 
1063 #endif	/* _E1000G_SW_H */
1064