xref: /illumos-gate/usr/src/uts/common/io/e1000g/e1000g_sw.h (revision 92a0208178405fef708b0283ffcaa02fbc3468ff)
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 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 /*
34  * **********************************************************************
35  * Module Name:								*
36  *   e1000g_sw.h							*
37  *									*
38  * Abstract:								*
39  *   This header file contains Software-related data structures		*
40  *   definitions.							*
41  *									*
42  * **********************************************************************
43  */
44 
45 #include <sys/types.h>
46 #include <sys/conf.h>
47 #include <sys/debug.h>
48 #include <sys/stropts.h>
49 #include <sys/stream.h>
50 #include <sys/strsun.h>
51 #include <sys/strlog.h>
52 #include <sys/kmem.h>
53 #include <sys/stat.h>
54 #include <sys/kstat.h>
55 #include <sys/modctl.h>
56 #include <sys/errno.h>
57 #include <sys/mac.h>
58 #include <sys/mac_ether.h>
59 #include <sys/vlan.h>
60 #include <sys/ddi.h>
61 #include <sys/sunddi.h>
62 #include <sys/disp.h>
63 #include <sys/pci.h>
64 #include <sys/sdt.h>
65 #include <sys/ethernet.h>
66 #include <sys/pattr.h>
67 #include <sys/strsubr.h>
68 #include <sys/netlb.h>
69 #include <inet/common.h>
70 #include <inet/ip.h>
71 #include <inet/tcp.h>
72 #include <inet/mi.h>
73 #include <inet/nd.h>
74 #include <sys/ddifm.h>
75 #include <sys/fm/protocol.h>
76 #include <sys/fm/util.h>
77 #include <sys/fm/io/ddi.h>
78 #include "e1000_api.h"
79 
80 #define	JUMBO_FRAG_LENGTH		4096
81 
82 #define	LAST_RAR_ENTRY			(E1000_RAR_ENTRIES - 1)
83 #define	MAX_NUM_UNICAST_ADDRESSES	E1000_RAR_ENTRIES
84 #define	MAX_NUM_MULTICAST_ADDRESSES	256
85 
86 /*
87  * MAX_COOKIES = max_packet_size/page_size + one for cross page split
88  * MAX_TX_DESC_PER_PACKET = MAX_COOKIES + one for the context descriptor +
89  *	two for the workaround of the 82546 chip
90  */
91 #define	MAX_COOKIES			18
92 #define	MAX_TX_DESC_PER_PACKET		21
93 
94 /*
95  * constants used in setting flow control thresholds
96  */
97 #define	E1000_PBA_10K		0x000A
98 #define	E1000_PBA_MASK		0xffff
99 #define	E1000_PBA_SHIFT		10
100 #define	E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
101 #define	E1000_FC_LOW_DIFF	0x1640 /* Low: 5696 bytes below Rx FIFO size */
102 #define	E1000_FC_PAUSE_TIME	0x0680 /* 858 usec */
103 
104 #define	MAX_NUM_TX_DESCRIPTOR		4096
105 #define	MAX_NUM_RX_DESCRIPTOR		4096
106 #define	MAX_NUM_RX_FREELIST		4096
107 #define	MAX_NUM_TX_FREELIST		4096
108 #define	MAX_RX_LIMIT_ON_INTR		4096
109 #define	MAX_RX_INTR_DELAY		65535
110 #define	MAX_RX_INTR_ABS_DELAY		65535
111 #define	MAX_TX_INTR_DELAY		65535
112 #define	MAX_TX_INTR_ABS_DELAY		65535
113 #define	MAX_INTR_THROTTLING		65535
114 #define	MAX_RX_BCOPY_THRESHOLD		E1000_RX_BUFFER_SIZE_2K
115 #define	MAX_TX_BCOPY_THRESHOLD		E1000_TX_BUFFER_SIZE_2K
116 #define	MAX_TX_RECYCLE_THRESHOLD	MAX_NUM_TX_DESCRIPTOR
117 #define	MAX_TX_RECYCLE_NUM		MAX_NUM_TX_DESCRIPTOR
118 
119 #define	MIN_NUM_TX_DESCRIPTOR		80
120 #define	MIN_NUM_RX_DESCRIPTOR		80
121 #define	MIN_NUM_RX_FREELIST		64
122 #define	MIN_NUM_TX_FREELIST		80
123 #define	MIN_RX_LIMIT_ON_INTR		16
124 #define	MIN_RX_INTR_DELAY		0
125 #define	MIN_RX_INTR_ABS_DELAY		0
126 #define	MIN_TX_INTR_DELAY		0
127 #define	MIN_TX_INTR_ABS_DELAY		0
128 #define	MIN_INTR_THROTTLING		0
129 #define	MIN_RX_BCOPY_THRESHOLD		0
130 #define	MIN_TX_BCOPY_THRESHOLD		ETHERMIN
131 #define	MIN_TX_RECYCLE_THRESHOLD	0
132 #define	MIN_TX_RECYCLE_NUM		MAX_TX_DESC_PER_PACKET
133 
134 #define	DEFAULT_NUM_RX_DESCRIPTOR	2048
135 #define	DEFAULT_NUM_TX_DESCRIPTOR	2048
136 #define	DEFAULT_NUM_RX_FREELIST		4096
137 #define	DEFAULT_NUM_TX_FREELIST		2304
138 #define	DEFAULT_RX_LIMIT_ON_INTR	128
139 
140 #ifdef __sparc
141 #define	MAX_INTR_PER_SEC		7100
142 #define	MIN_INTR_PER_SEC		3000
143 #define	DEFAULT_INTR_PACKET_LOW		5
144 #define	DEFAULT_INTR_PACKET_HIGH	128
145 #define	DEFAULT_TX_RECYCLE_THRESHOLD	512
146 #else
147 #define	MAX_INTR_PER_SEC		15000
148 #define	MIN_INTR_PER_SEC		4000
149 #define	DEFAULT_INTR_PACKET_LOW		10
150 #define	DEFAULT_INTR_PACKET_HIGH	48
151 #define	DEFAULT_TX_RECYCLE_THRESHOLD	DEFAULT_TX_NO_RESOURCE
152 #endif
153 
154 #define	DEFAULT_RX_INTR_DELAY		0
155 #define	DEFAULT_RX_INTR_ABS_DELAY	64
156 #define	DEFAULT_TX_INTR_DELAY		64
157 #define	DEFAULT_TX_INTR_ABS_DELAY	64
158 #define	DEFAULT_INTR_THROTTLING_HIGH    1000000000/(MIN_INTR_PER_SEC*256)
159 #define	DEFAULT_INTR_THROTTLING_LOW	1000000000/(MAX_INTR_PER_SEC*256)
160 #define	DEFAULT_INTR_THROTTLING		DEFAULT_INTR_THROTTLING_LOW
161 
162 #define	DEFAULT_RX_BCOPY_THRESHOLD	128
163 #define	DEFAULT_TX_BCOPY_THRESHOLD	512
164 #define	DEFAULT_TX_RECYCLE_NUM		64
165 #define	DEFAULT_TX_UPDATE_THRESHOLD	256
166 #define	DEFAULT_TX_NO_RESOURCE		MAX_TX_DESC_PER_PACKET
167 
168 #define	DEFAULT_TX_INTR_ENABLE		1
169 #define	DEFAULT_FLOW_CONTROL		3
170 #define	DEFAULT_MASTER_LATENCY_TIMER	0	/* BIOS should decide */
171 						/* which is normally 0x040 */
172 #define	DEFAULT_TBI_COMPAT_ENABLE	1	/* Enable SBP workaround */
173 #define	DEFAULT_MSI_ENABLE		1	/* MSI Enable */
174 #define	DEFAULT_TX_HCKSUM_ENABLE	1	/* Hardware checksum enable */
175 #define	DEFAULT_LSO_ENABLE		1	/* LSO enable */
176 
177 #define	TX_DRAIN_TIME		(200)	/* # milliseconds xmit drain */
178 
179 /*
180  * The size of the receive/transmite buffers
181  */
182 #define	E1000_RX_BUFFER_SIZE_2K		(2048)
183 #define	E1000_RX_BUFFER_SIZE_4K		(4096)
184 #define	E1000_RX_BUFFER_SIZE_8K		(8192)
185 #define	E1000_RX_BUFFER_SIZE_16K	(16384)
186 
187 #define	E1000_TX_BUFFER_SIZE_2K		(2048)
188 #define	E1000_TX_BUFFER_SIZE_4K		(4096)
189 #define	E1000_TX_BUFFER_SIZE_8K		(8192)
190 #define	E1000_TX_BUFFER_SIZE_16K	(16384)
191 
192 #define	E1000_TX_BUFFER_OEVRRUN_THRESHOLD	(2015)
193 
194 #define	E1000G_RX_SW_FREE		0x0
195 #define	E1000G_RX_SW_SENDUP		0x1
196 #define	E1000G_RX_SW_STOP		0x2
197 #define	E1000G_RX_SW_DETACH		0x3
198 
199 /*
200  * definitions for smartspeed workaround
201  */
202 #define	  E1000_SMARTSPEED_MAX		30	/* 30 watchdog iterations */
203 						/* or 30 seconds */
204 #define	  E1000_SMARTSPEED_DOWNSHIFT	6	/* 6 watchdog iterations */
205 						/* or 6 seconds */
206 
207 /*
208  * Definitions for module_info.
209  */
210 #define	 WSNAME			"e1000g"	/* module name */
211 
212 /*
213  * Defined for IP header alignment. We also need to preserve space for
214  * VLAN tag (4 bytes)
215  */
216 #define	E1000G_IPALIGNROOM		6
217 #define	E1000G_IPALIGNPRESERVEROOM	64
218 
219 /*
220  * bit flags for 'attach_progress' which is a member variable in struct e1000g
221  */
222 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
223 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
224 #define	ATTACH_PROGRESS_SETUP		0x0004	/* Setup driver parameters */
225 #define	ATTACH_PROGRESS_ADD_INTR	0x0008	/* Interrupt added */
226 #define	ATTACH_PROGRESS_LOCKS		0x0010	/* Locks initialized */
227 #define	ATTACH_PROGRESS_SOFT_INTR	0x0020	/* Soft interrupt added */
228 #define	ATTACH_PROGRESS_KSTATS		0x0040	/* Kstats created */
229 #define	ATTACH_PROGRESS_ALLOC		0x0080	/* DMA resources allocated */
230 #define	ATTACH_PROGRESS_INIT		0x0100	/* Driver initialization */
231 /* 0200 used to be PROGRESS_NDD. Now unused */
232 #define	ATTACH_PROGRESS_MAC		0x0400	/* MAC registered */
233 #define	ATTACH_PROGRESS_ENABLE_INTR	0x0800	/* DDI interrupts enabled */
234 #define	ATTACH_PROGRESS_FMINIT		0x1000	/* FMA initiated */
235 
236 /*
237  * Speed and Duplex Settings
238  */
239 #define	GDIAG_10_HALF		1
240 #define	GDIAG_10_FULL		2
241 #define	GDIAG_100_HALF		3
242 #define	GDIAG_100_FULL		4
243 #define	GDIAG_1000_FULL		6
244 #define	GDIAG_ANY		7
245 
246 /*
247  * Coexist Workaround RP: 07/04/03
248  * 82544 Workaround : Co-existence
249  */
250 #define	MAX_TX_BUF_SIZE		(8 * 1024)
251 
252 #define	ROUNDOFF		0x1000
253 
254 /*
255  * Defines for Jumbo Frame
256  */
257 #define	FRAME_SIZE_UPTO_2K	2048
258 #define	FRAME_SIZE_UPTO_4K	4096
259 #define	FRAME_SIZE_UPTO_8K	8192
260 #define	FRAME_SIZE_UPTO_16K	16384
261 #define	FRAME_SIZE_UPTO_9K	9234
262 
263 #define	MAXIMUM_MTU		9000
264 #define	DEFAULT_MTU		ETHERMTU
265 
266 #define	DEFAULT_FRAME_SIZE	\
267 	(DEFAULT_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
268 #define	MAXIMUM_FRAME_SIZE	\
269 	(MAXIMUM_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
270 
271 #define	E1000_LSO_MAXLEN	65535
272 
273 /* Defines for Tx stall check */
274 #define	E1000G_STALL_WATCHDOG_COUNT	8
275 
276 #define	MAX_TX_LINK_DOWN_TIMEOUT	8
277 
278 /* Defines for DVMA */
279 #ifdef __sparc
280 #define	E1000G_DEFAULT_DVMA_PAGE_NUM	2
281 #endif
282 
283 /*
284  * Loopback definitions
285  */
286 #define	E1000G_LB_NONE			0
287 #define	E1000G_LB_EXTERNAL_1000		1
288 #define	E1000G_LB_EXTERNAL_100		2
289 #define	E1000G_LB_EXTERNAL_10		3
290 #define	E1000G_LB_INTERNAL_PHY		4
291 
292 /*
293  * Private dip list definitions
294  */
295 #define	E1000G_PRIV_DEVI_ATTACH	0x0
296 #define	E1000G_PRIV_DEVI_DETACH	0x1
297 
298 /*
299  * Tx descriptor LENGTH field mask
300  */
301 #define	E1000G_TBD_LENGTH_MASK		0x000fffff
302 
303 /*
304  * QUEUE_INIT_LIST -- Macro which will init ialize a queue to NULL.
305  */
306 #define	QUEUE_INIT_LIST(_LH)	\
307 	(_LH)->Flink = (_LH)->Blink = (PSINGLE_LIST_LINK)0
308 
309 /*
310  * IS_QUEUE_EMPTY -- Macro which checks to see if a queue is empty.
311  */
312 #define	IS_QUEUE_EMPTY(_LH)	\
313 	((_LH)->Flink == (PSINGLE_LIST_LINK)0)
314 
315 /*
316  * QUEUE_GET_HEAD -- Macro which returns the head of the queue, but does
317  * not remove the head from the queue.
318  */
319 #define	QUEUE_GET_HEAD(_LH)	((PSINGLE_LIST_LINK)((_LH)->Flink))
320 
321 /*
322  * QUEUE_REMOVE_HEAD -- Macro which removes the head of the head of a queue.
323  */
324 #define	QUEUE_REMOVE_HEAD(_LH)	\
325 { \
326 	PSINGLE_LIST_LINK ListElem; \
327 	if (ListElem = (_LH)->Flink) \
328 	{ \
329 		if (!((_LH)->Flink = ListElem->Flink)) \
330 			(_LH)->Blink = (PSINGLE_LIST_LINK) 0; \
331 	} \
332 }
333 
334 /*
335  * QUEUE_POP_HEAD -- Macro which  will pop the head off of a queue (list),
336  *	and return it (this differs from QUEUE_REMOVE_HEAD only in
337  *	the 1st line).
338  */
339 #define	QUEUE_POP_HEAD(_LH)	\
340 	(PSINGLE_LIST_LINK)(_LH)->Flink; \
341 	{ \
342 		PSINGLE_LIST_LINK ListElem; \
343 		ListElem = (_LH)->Flink; \
344 		if (ListElem) \
345 		{ \
346 			(_LH)->Flink = ListElem->Flink; \
347 			if (!(_LH)->Flink) \
348 				(_LH)->Blink = (PSINGLE_LIST_LINK)0; \
349 		} \
350 	}
351 
352 /*
353  * QUEUE_GET_TAIL -- Macro which returns the tail of the queue, but does not
354  *	remove the tail from the queue.
355  */
356 #define	QUEUE_GET_TAIL(_LH)	((PSINGLE_LIST_LINK)((_LH)->Blink))
357 
358 /*
359  * QUEUE_PUSH_TAIL -- Macro which puts an element at the tail (end) of the queue
360  */
361 #define	QUEUE_PUSH_TAIL(_LH, _E)	\
362 	if ((_LH)->Blink) \
363 	{ \
364 		((PSINGLE_LIST_LINK)(_LH)->Blink)->Flink = \
365 			(PSINGLE_LIST_LINK)(_E); \
366 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
367 	} else { \
368 		(_LH)->Flink = \
369 			(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
370 	} \
371 	(_E)->Flink = (PSINGLE_LIST_LINK)0;
372 
373 /*
374  * QUEUE_PUSH_HEAD -- Macro which puts an element at the head of the queue.
375  */
376 #define	QUEUE_PUSH_HEAD(_LH, _E)	\
377 	if (!((_E)->Flink = (_LH)->Flink)) \
378 	{ \
379 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
380 	} \
381 	(_LH)->Flink = (PSINGLE_LIST_LINK)(_E);
382 
383 /*
384  * QUEUE_GET_NEXT -- Macro which returns the next element linked to the
385  *	current element.
386  */
387 #define	QUEUE_GET_NEXT(_LH, _E)		\
388 	(PSINGLE_LIST_LINK)((((_LH)->Blink) == (_E)) ? \
389 	(0) : ((_E)->Flink))
390 
391 /*
392  * QUEUE_APPEND -- Macro which appends a queue to the tail of another queue
393  */
394 #define	QUEUE_APPEND(_LH1, _LH2)	\
395 	if ((_LH2)->Flink) { \
396 		if ((_LH1)->Flink) { \
397 			((PSINGLE_LIST_LINK)(_LH1)->Blink)->Flink = \
398 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
399 		} else { \
400 			(_LH1)->Flink = \
401 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
402 		} \
403 		(_LH1)->Blink = ((PSINGLE_LIST_LINK)(_LH2)->Blink); \
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 	uint32_t stall_watchdog;
722 	uint32_t recycle_fail;
723 	mblk_list_t mblks;
724 	/*
725 	 * Statistics
726 	 */
727 	uint32_t stat_no_swpkt;
728 	uint32_t stat_no_desc;
729 	uint32_t stat_send_fail;
730 	uint32_t stat_reschedule;
731 	uint32_t stat_over_size;
732 #ifdef E1000G_DEBUG
733 	uint32_t stat_under_size;
734 	uint32_t stat_exceed_frags;
735 	uint32_t stat_empty_frags;
736 	uint32_t stat_recycle;
737 	uint32_t stat_recycle_intr;
738 	uint32_t stat_recycle_retry;
739 	uint32_t stat_recycle_none;
740 	uint32_t stat_copy;
741 	uint32_t stat_bind;
742 	uint32_t stat_multi_copy;
743 	uint32_t stat_multi_cookie;
744 	uint32_t stat_lack_desc;
745 #endif
746 	/*
747 	 * Pointer to the adapter
748 	 */
749 	struct e1000g *adapter;
750 } e1000g_tx_ring_t, *pe1000g_tx_ring_t;
751 
752 typedef struct _e1000g_rx_ring {
753 	kmutex_t rx_lock;
754 	kmutex_t freelist_lock;
755 	/*
756 	 * Descriptor queue definitions
757 	 */
758 	ddi_dma_handle_t rbd_dma_handle;
759 	ddi_acc_handle_t rbd_acc_handle;
760 	struct e1000_rx_desc *rbd_area;
761 	uint64_t rbd_dma_addr;
762 	struct e1000_rx_desc *rbd_first;
763 	struct e1000_rx_desc *rbd_last;
764 	struct e1000_rx_desc *rbd_next;
765 	/*
766 	 * Software packet structures definitions
767 	 */
768 	p_rx_sw_packet_t packet_area;
769 	LIST_DESCRIBER recv_list;
770 	LIST_DESCRIBER free_list;
771 
772 	p_rx_sw_packet_t pending_list;
773 	uint32_t pending_count;
774 	uint32_t avail_freepkt;
775 	uint32_t rx_mblk_len;
776 	mblk_t *rx_mblk;
777 	mblk_t *rx_mblk_tail;
778 	/*
779 	 * Statistics
780 	 */
781 	uint32_t stat_error;
782 	uint32_t stat_esballoc_fail;
783 	uint32_t stat_allocb_fail;
784 	uint32_t stat_exceed_pkt;
785 #ifdef E1000G_DEBUG
786 	uint32_t stat_none;
787 	uint32_t stat_multi_desc;
788 	uint32_t stat_no_freepkt;
789 #endif
790 	/*
791 	 * Pointer to the adapter
792 	 */
793 	struct e1000g *adapter;
794 } e1000g_rx_ring_t, *pe1000g_rx_ring_t;
795 
796 typedef struct e1000g {
797 	int instance;
798 	dev_info_t *dip;
799 	dev_info_t *priv_dip;
800 	mac_handle_t mh;
801 	mac_resource_handle_t mrh;
802 	struct e1000_hw shared;
803 	struct e1000g_osdep osdep;
804 
805 	chip_state_t chip_state;
806 	boolean_t e1000g_promisc;
807 	boolean_t strip_crc;
808 	boolean_t rx_buffer_setup;
809 	boolean_t esb2_workaround;
810 	link_state_t link_state;
811 	uint32_t link_speed;
812 	uint32_t link_duplex;
813 	uint32_t master_latency_timer;
814 	uint32_t smartspeed;	/* smartspeed w/a counter */
815 	uint32_t init_count;
816 	uint32_t reset_count;
817 	uint32_t attach_progress;	/* attach tracking */
818 	uint32_t loopback_mode;
819 
820 	uint32_t tx_desc_num;
821 	uint32_t tx_freelist_num;
822 	uint32_t rx_desc_num;
823 	uint32_t rx_freelist_num;
824 	uint32_t tx_buffer_size;
825 	uint32_t rx_buffer_size;
826 
827 	uint32_t tx_link_down_timeout;
828 	uint32_t tx_bcopy_thresh;
829 	uint32_t rx_limit_onintr;
830 	uint32_t rx_bcopy_thresh;
831 	uint32_t rx_buf_align;
832 
833 	boolean_t intr_adaptive;
834 	boolean_t tx_intr_enable;
835 	uint32_t tx_recycle_thresh;
836 	uint32_t tx_recycle_num;
837 	uint32_t tx_intr_delay;
838 	uint32_t tx_intr_abs_delay;
839 	uint32_t rx_intr_delay;
840 	uint32_t rx_intr_abs_delay;
841 	uint32_t intr_throttling_rate;
842 
843 	uint32_t default_mtu;
844 	uint32_t max_frame_size;
845 	uint32_t min_frame_size;
846 
847 	boolean_t watchdog_timer_enabled;
848 	boolean_t watchdog_timer_started;
849 	timeout_id_t watchdog_tid;
850 	boolean_t link_complete;
851 	timeout_id_t link_tid;
852 
853 	e1000g_rx_ring_t rx_ring[1];
854 	e1000g_tx_ring_t tx_ring[1];
855 
856 	/*
857 	 * Rx and Tx packet count for interrupt adaptive setting
858 	 */
859 	uint32_t rx_pkt_cnt;
860 	uint32_t tx_pkt_cnt;
861 
862 	/*
863 	 * The watchdog_lock must be held when updateing the
864 	 * timeout fields in struct e1000g, that is,
865 	 * watchdog_tid, watchdog_timer_started.
866 	 */
867 	kmutex_t watchdog_lock;
868 	/*
869 	 * The link_lock protects the link fields in struct e1000g,
870 	 * such as link_state, link_speed, link_duplex, link_complete, and
871 	 * link_tid.
872 	 */
873 	kmutex_t link_lock;
874 	/*
875 	 * The chip_lock assures that the Rx/Tx process must be
876 	 * stopped while other functions change the hardware
877 	 * configuration of e1000g card, such as e1000g_reset(),
878 	 * e1000g_reset_hw() etc are executed.
879 	 */
880 	krwlock_t chip_lock;
881 
882 	boolean_t unicst_init;
883 	uint32_t unicst_avail;
884 	uint32_t unicst_total;
885 	e1000g_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
886 
887 	uint32_t mcast_count;
888 	struct ether_addr mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
889 
890 #ifdef __sparc
891 	ulong_t sys_page_sz;
892 	uint_t dvma_page_num;
893 #endif
894 
895 	boolean_t msi_enable;
896 	boolean_t tx_hcksum_enable;
897 	boolean_t lso_enable;
898 	boolean_t lso_premature_issue;
899 	int intr_type;
900 	int intr_cnt;
901 	int intr_cap;
902 	size_t intr_size;
903 	uint_t intr_pri;
904 	ddi_intr_handle_t *htable;
905 
906 	int tx_softint_pri;
907 	ddi_softint_handle_t tx_softint_handle;
908 
909 	kstat_t *e1000g_ksp;
910 
911 	uint16_t phy_ctrl;		/* contents of PHY_CTRL */
912 	uint16_t phy_status;		/* contents of PHY_STATUS */
913 	uint16_t phy_an_adv;		/* contents of PHY_AUTONEG_ADV */
914 	uint16_t phy_an_exp;		/* contents of PHY_AUTONEG_EXP */
915 	uint16_t phy_ext_status;	/* contents of PHY_EXT_STATUS */
916 	uint16_t phy_1000t_ctrl;	/* contents of PHY_1000T_CTRL */
917 	uint16_t phy_1000t_status;	/* contents of PHY_1000T_STATUS */
918 	uint16_t phy_lp_able;		/* contents of PHY_LP_ABILITY */
919 
920 	/*
921 	 * FMA capabilities
922 	 */
923 	int fm_capabilities;
924 
925 	uint32_t	param_en_1000fdx:1,
926 			param_en_1000hdx:1,
927 			param_en_100fdx:1,
928 			param_en_100hdx:1,
929 			param_en_10fdx:1,
930 			param_en_10hdx:1,
931 			param_autoneg_cap:1,
932 			param_pause_cap:1,
933 			param_asym_pause_cap:1,
934 			param_1000fdx_cap:1,
935 			param_1000hdx_cap:1,
936 			param_100t4_cap:1,
937 			param_100fdx_cap:1,
938 			param_100hdx_cap:1,
939 			param_10fdx_cap:1,
940 			param_10hdx_cap:1,
941 			param_adv_autoneg:1,
942 			param_adv_pause:1,
943 			param_adv_asym_pause:1,
944 			param_adv_1000fdx:1,
945 			param_adv_1000hdx:1,
946 			param_adv_100t4:1,
947 			param_adv_100fdx:1,
948 			param_adv_100hdx:1,
949 			param_adv_10fdx:1,
950 			param_adv_10hdx:1,
951 			param_lp_autoneg:1,
952 			param_lp_pause:1,
953 			param_lp_asym_pause:1,
954 			param_lp_1000fdx:1,
955 			param_lp_1000hdx:1,
956 			param_lp_100t4:1;
957 
958 	uint32_t	param_lp_100fdx:1,
959 			param_lp_100hdx:1,
960 			param_lp_10fdx:1,
961 			param_lp_10hdx:1,
962 			param_pad_to_32:28;
963 
964 } e1000g_t;
965 
966 
967 /*
968  * Function prototypes
969  */
970 int e1000g_alloc_dma_resources(struct e1000g *Adapter);
971 void e1000g_release_dma_resources(struct e1000g *Adapter);
972 void e1000g_free_rx_sw_packet(p_rx_sw_packet_t packet);
973 void e1000g_tx_setup(struct e1000g *Adapter);
974 void e1000g_rx_setup(struct e1000g *Adapter);
975 void e1000g_setup_multicast(struct e1000g *Adapter);
976 boolean_t e1000g_reset(struct e1000g *Adapter);
977 
978 int e1000g_recycle(e1000g_tx_ring_t *tx_ring);
979 void e1000g_free_tx_swpkt(p_tx_sw_packet_t packet);
980 void e1000g_tx_freemsg(e1000g_tx_ring_t *tx_ring);
981 uint_t e1000g_tx_softint_worker(caddr_t arg1, caddr_t arg2);
982 mblk_t *e1000g_m_tx(void *arg, mblk_t *mp);
983 mblk_t *e1000g_receive(struct e1000g *Adapter);
984 void e1000g_rxfree_func(p_rx_sw_packet_t packet);
985 
986 int e1000g_m_stat(void *arg, uint_t stat, uint64_t *val);
987 int e1000g_init_stats(struct e1000g *Adapter);
988 void e1000_tbi_adjust_stats(struct e1000g *Adapter,
989     uint32_t frame_len, uint8_t *mac_addr);
990 
991 void e1000g_clear_interrupt(struct e1000g *Adapter);
992 void e1000g_mask_interrupt(struct e1000g *Adapter);
993 void e1000g_clear_all_interrupts(struct e1000g *Adapter);
994 void e1000g_clear_tx_interrupt(struct e1000g *Adapter);
995 void e1000g_mask_tx_interrupt(struct e1000g *Adapter);
996 void phy_spd_state(struct e1000_hw *hw, boolean_t enable);
997 void e1000_enable_pciex_master(struct e1000_hw *hw);
998 int e1000g_check_acc_handle(ddi_acc_handle_t handle);
999 int e1000g_check_dma_handle(ddi_dma_handle_t handle);
1000 void e1000g_fm_ereport(struct e1000g *Adapter, char *detail);
1001 void e1000g_set_fma_flags(struct e1000g *Adapter, int acc_flag, int dma_flag);
1002 int e1000g_reset_link(struct e1000g *Adapter);
1003 
1004 /*
1005  * Global variables
1006  */
1007 extern boolean_t e1000g_force_detach;
1008 extern uint32_t e1000g_mblks_pending;
1009 extern krwlock_t e1000g_rx_detach_lock;
1010 extern private_devi_list_t *e1000g_private_devi_list;
1011 
1012 #ifdef __cplusplus
1013 }
1014 #endif
1015 
1016 #endif	/* _E1000G_SW_H */
1017