xref: /illumos-gate/usr/src/uts/common/io/e1000g/e1000g_sw.h (revision 7ce76caa61769eef87a2368b9ef90e4661e3f193)
1 /*
2  * This file is provided under a CDDLv1 license.  When using or
3  * redistributing this file, you may do so under this license.
4  * In redistributing this file this license must be included
5  * and no other modification of this header file is permitted.
6  *
7  * CDDL LICENSE SUMMARY
8  *
9  * Copyright(c) 1999 - 2008 Intel Corporation. All rights reserved.
10  *
11  * The contents of this file are subject to the terms of Version
12  * 1.0 of the Common Development and Distribution License (the "License").
13  *
14  * You should have received a copy of the License with this software.
15  * You can obtain a copy of the License at
16  *	http://www.opensolaris.org/os/licensing.
17  * See the License for the specific language governing permissions
18  * and limitations under the License.
19  */
20 
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _E1000G_SW_H
27 #define	_E1000G_SW_H
28 
29 #ifdef __cplusplus
30 extern "C" {
31 #endif
32 
33 /*
34  * **********************************************************************
35  * Module Name:								*
36  *   e1000g_sw.h							*
37  *									*
38  * Abstract:								*
39  *   This header file contains Software-related data structures		*
40  *   definitions.							*
41  *									*
42  * **********************************************************************
43  */
44 
45 #include <sys/types.h>
46 #include <sys/conf.h>
47 #include <sys/debug.h>
48 #include <sys/stropts.h>
49 #include <sys/stream.h>
50 #include <sys/strsun.h>
51 #include <sys/strlog.h>
52 #include <sys/kmem.h>
53 #include <sys/stat.h>
54 #include <sys/kstat.h>
55 #include <sys/modctl.h>
56 #include <sys/errno.h>
57 #include <sys/mac_provider.h>
58 #include <sys/mac_ether.h>
59 #include <sys/vlan.h>
60 #include <sys/ddi.h>
61 #include <sys/sunddi.h>
62 #include <sys/disp.h>
63 #include <sys/pci.h>
64 #include <sys/sdt.h>
65 #include <sys/ethernet.h>
66 #include <sys/pattr.h>
67 #include <sys/strsubr.h>
68 #include <sys/netlb.h>
69 #include <inet/common.h>
70 #include <inet/ip.h>
71 #include <inet/tcp.h>
72 #include <inet/mi.h>
73 #include <inet/nd.h>
74 #include <sys/ddifm.h>
75 #include <sys/fm/protocol.h>
76 #include <sys/fm/util.h>
77 #include <sys/fm/io/ddi.h>
78 #include "e1000_api.h"
79 
80 #define	JUMBO_FRAG_LENGTH		4096
81 
82 #define	LAST_RAR_ENTRY			(E1000_RAR_ENTRIES - 1)
83 #define	MAX_NUM_UNICAST_ADDRESSES	E1000_RAR_ENTRIES
84 #define	MAX_NUM_MULTICAST_ADDRESSES	256
85 
86 /*
87  * MAX_COOKIES = max_LSO_packet_size(65535 + ethernet_header_len)/page_size
88  *	+ one for cross page split
89  * MAX_TX_DESC_PER_PACKET = MAX_COOKIES + one for the context descriptor +
90  *	two for the workaround of the 82546 chip
91  */
92 #define	MAX_COOKIES			18
93 #define	MAX_TX_DESC_PER_PACKET		21
94 
95 /*
96  * constants used in setting flow control thresholds
97  */
98 #define	E1000_PBA_10K		0x000A
99 #define	E1000_PBA_MASK		0xffff
100 #define	E1000_PBA_SHIFT		10
101 #define	E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
102 #define	E1000_FC_LOW_DIFF	0x1640 /* Low: 5696 bytes below Rx FIFO size */
103 #define	E1000_FC_PAUSE_TIME	0x0680 /* 858 usec */
104 
105 #define	MAX_NUM_TX_DESCRIPTOR		4096
106 #define	MAX_NUM_RX_DESCRIPTOR		4096
107 #define	MAX_NUM_RX_FREELIST		4096
108 #define	MAX_NUM_TX_FREELIST		4096
109 #define	MAX_RX_LIMIT_ON_INTR		4096
110 #define	MAX_RX_INTR_DELAY		65535
111 #define	MAX_RX_INTR_ABS_DELAY		65535
112 #define	MAX_TX_INTR_DELAY		65535
113 #define	MAX_TX_INTR_ABS_DELAY		65535
114 #define	MAX_INTR_THROTTLING		65535
115 #define	MAX_RX_BCOPY_THRESHOLD		E1000_RX_BUFFER_SIZE_2K
116 #define	MAX_TX_BCOPY_THRESHOLD		E1000_TX_BUFFER_SIZE_2K
117 
118 #define	MIN_NUM_TX_DESCRIPTOR		80
119 #define	MIN_NUM_RX_DESCRIPTOR		80
120 #define	MIN_NUM_RX_FREELIST		64
121 #define	MIN_NUM_TX_FREELIST		80
122 #define	MIN_RX_LIMIT_ON_INTR		16
123 #define	MIN_RX_INTR_DELAY		0
124 #define	MIN_RX_INTR_ABS_DELAY		0
125 #define	MIN_TX_INTR_DELAY		0
126 #define	MIN_TX_INTR_ABS_DELAY		0
127 #define	MIN_INTR_THROTTLING		0
128 #define	MIN_RX_BCOPY_THRESHOLD		0
129 #define	MIN_TX_BCOPY_THRESHOLD		ETHERMIN
130 
131 #define	DEFAULT_NUM_RX_DESCRIPTOR	2048
132 #define	DEFAULT_NUM_TX_DESCRIPTOR	2048
133 #define	DEFAULT_NUM_RX_FREELIST		4096
134 #define	DEFAULT_NUM_TX_FREELIST		2304
135 #define	DEFAULT_RX_LIMIT_ON_INTR	128
136 
137 #ifdef __sparc
138 #define	MAX_INTR_PER_SEC		7100
139 #define	MIN_INTR_PER_SEC		3000
140 #define	DEFAULT_INTR_PACKET_LOW		5
141 #define	DEFAULT_INTR_PACKET_HIGH	128
142 #else
143 #define	MAX_INTR_PER_SEC		15000
144 #define	MIN_INTR_PER_SEC		4000
145 #define	DEFAULT_INTR_PACKET_LOW		10
146 #define	DEFAULT_INTR_PACKET_HIGH	48
147 #endif
148 
149 #define	DEFAULT_RX_INTR_DELAY		0
150 #define	DEFAULT_RX_INTR_ABS_DELAY	64
151 #define	DEFAULT_TX_INTR_DELAY		64
152 #define	DEFAULT_TX_INTR_ABS_DELAY	64
153 #define	DEFAULT_INTR_THROTTLING_HIGH    1000000000/(MIN_INTR_PER_SEC*256)
154 #define	DEFAULT_INTR_THROTTLING_LOW	1000000000/(MAX_INTR_PER_SEC*256)
155 #define	DEFAULT_INTR_THROTTLING		DEFAULT_INTR_THROTTLING_LOW
156 
157 #define	DEFAULT_RX_BCOPY_THRESHOLD	128
158 #define	DEFAULT_TX_BCOPY_THRESHOLD	512
159 #define	DEFAULT_TX_UPDATE_THRESHOLD	256
160 #define	DEFAULT_TX_NO_RESOURCE		MAX_TX_DESC_PER_PACKET
161 
162 #define	DEFAULT_TX_INTR_ENABLE		1
163 #define	DEFAULT_FLOW_CONTROL		3
164 #define	DEFAULT_MASTER_LATENCY_TIMER	0	/* BIOS should decide */
165 						/* which is normally 0x040 */
166 #define	DEFAULT_TBI_COMPAT_ENABLE	1	/* Enable SBP workaround */
167 #define	DEFAULT_MSI_ENABLE		1	/* MSI Enable */
168 #define	DEFAULT_TX_HCKSUM_ENABLE	1	/* Hardware checksum enable */
169 #define	DEFAULT_LSO_ENABLE		1	/* LSO enable */
170 #define	DEFAULT_MEM_WORKAROUND_82546	1	/* 82546 memory workaround */
171 
172 #define	TX_DRAIN_TIME		(200)	/* # milliseconds xmit drain */
173 
174 /*
175  * The size of the receive/transmite buffers
176  */
177 #define	E1000_RX_BUFFER_SIZE_2K		(2048)
178 #define	E1000_RX_BUFFER_SIZE_4K		(4096)
179 #define	E1000_RX_BUFFER_SIZE_8K		(8192)
180 #define	E1000_RX_BUFFER_SIZE_16K	(16384)
181 
182 #define	E1000_TX_BUFFER_SIZE_2K		(2048)
183 #define	E1000_TX_BUFFER_SIZE_4K		(4096)
184 #define	E1000_TX_BUFFER_SIZE_8K		(8192)
185 #define	E1000_TX_BUFFER_SIZE_16K	(16384)
186 
187 #define	E1000_TX_BUFFER_OEVRRUN_THRESHOLD	(2015)
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 /*
248  * Defines for Jumbo Frame
249  */
250 #define	FRAME_SIZE_UPTO_2K	2048
251 #define	FRAME_SIZE_UPTO_4K	4096
252 #define	FRAME_SIZE_UPTO_8K	8192
253 #define	FRAME_SIZE_UPTO_16K	16384
254 #define	FRAME_SIZE_UPTO_9K	9234
255 
256 #define	MAXIMUM_MTU		9000
257 #define	DEFAULT_MTU		ETHERMTU
258 
259 #define	DEFAULT_FRAME_SIZE	\
260 	(DEFAULT_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
261 #define	MAXIMUM_FRAME_SIZE	\
262 	(MAXIMUM_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
263 
264 #define	E1000_LSO_MAXLEN	65535
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  * Tx descriptor LENGTH field mask
293  */
294 #define	E1000G_TBD_LENGTH_MASK		0x000fffff
295 
296 /*
297  * QUEUE_INIT_LIST -- Macro which will init ialize a queue to NULL.
298  */
299 #define	QUEUE_INIT_LIST(_LH)	\
300 	(_LH)->Flink = (_LH)->Blink = (PSINGLE_LIST_LINK)0
301 
302 /*
303  * IS_QUEUE_EMPTY -- Macro which checks to see if a queue is empty.
304  */
305 #define	IS_QUEUE_EMPTY(_LH)	\
306 	((_LH)->Flink == (PSINGLE_LIST_LINK)0)
307 
308 /*
309  * QUEUE_GET_HEAD -- Macro which returns the head of the queue, but does
310  * not remove the head from the queue.
311  */
312 #define	QUEUE_GET_HEAD(_LH)	((PSINGLE_LIST_LINK)((_LH)->Flink))
313 
314 /*
315  * QUEUE_REMOVE_HEAD -- Macro which removes the head of the head of a queue.
316  */
317 #define	QUEUE_REMOVE_HEAD(_LH)	\
318 { \
319 	PSINGLE_LIST_LINK ListElem; \
320 	if (ListElem = (_LH)->Flink) \
321 	{ \
322 		if (!((_LH)->Flink = ListElem->Flink)) \
323 			(_LH)->Blink = (PSINGLE_LIST_LINK) 0; \
324 	} \
325 }
326 
327 /*
328  * QUEUE_POP_HEAD -- Macro which  will pop the head off of a queue (list),
329  *	and return it (this differs from QUEUE_REMOVE_HEAD only in
330  *	the 1st line).
331  */
332 #define	QUEUE_POP_HEAD(_LH)	\
333 	(PSINGLE_LIST_LINK)(_LH)->Flink; \
334 	{ \
335 		PSINGLE_LIST_LINK ListElem; \
336 		ListElem = (_LH)->Flink; \
337 		if (ListElem) \
338 		{ \
339 			(_LH)->Flink = ListElem->Flink; \
340 			if (!(_LH)->Flink) \
341 				(_LH)->Blink = (PSINGLE_LIST_LINK)0; \
342 		} \
343 	}
344 
345 /*
346  * QUEUE_GET_TAIL -- Macro which returns the tail of the queue, but does not
347  *	remove the tail from the queue.
348  */
349 #define	QUEUE_GET_TAIL(_LH)	((PSINGLE_LIST_LINK)((_LH)->Blink))
350 
351 /*
352  * QUEUE_PUSH_TAIL -- Macro which puts an element at the tail (end) of the queue
353  */
354 #define	QUEUE_PUSH_TAIL(_LH, _E)	\
355 	if ((_LH)->Blink) \
356 	{ \
357 		((PSINGLE_LIST_LINK)(_LH)->Blink)->Flink = \
358 			(PSINGLE_LIST_LINK)(_E); \
359 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
360 	} else { \
361 		(_LH)->Flink = \
362 			(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
363 	} \
364 	(_E)->Flink = (PSINGLE_LIST_LINK)0;
365 
366 /*
367  * QUEUE_PUSH_HEAD -- Macro which puts an element at the head of the queue.
368  */
369 #define	QUEUE_PUSH_HEAD(_LH, _E)	\
370 	if (!((_E)->Flink = (_LH)->Flink)) \
371 	{ \
372 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
373 	} \
374 	(_LH)->Flink = (PSINGLE_LIST_LINK)(_E);
375 
376 /*
377  * QUEUE_GET_NEXT -- Macro which returns the next element linked to the
378  *	current element.
379  */
380 #define	QUEUE_GET_NEXT(_LH, _E)		\
381 	(PSINGLE_LIST_LINK)((((_LH)->Blink) == (_E)) ? \
382 	(0) : ((_E)->Flink))
383 
384 /*
385  * QUEUE_APPEND -- Macro which appends a queue to the tail of another queue
386  */
387 #define	QUEUE_APPEND(_LH1, _LH2)	\
388 	if ((_LH2)->Flink) { \
389 		if ((_LH1)->Flink) { \
390 			((PSINGLE_LIST_LINK)(_LH1)->Blink)->Flink = \
391 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
392 		} else { \
393 			(_LH1)->Flink = \
394 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
395 		} \
396 		(_LH1)->Blink = ((PSINGLE_LIST_LINK)(_LH2)->Blink); \
397 	}
398 
399 
400 #define	QUEUE_SWITCH(_LH1, _LH2)					\
401 	if ((_LH2)->Flink) { 						\
402 		(_LH1)->Flink = (_LH2)->Flink;				\
403 		(_LH1)->Blink = (_LH2)->Blink;				\
404 		(_LH2)->Flink = (_LH2)->Blink = (PSINGLE_LIST_LINK)0;	\
405 	}
406 
407 /*
408  * Property lookups
409  */
410 #define	E1000G_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
411 						DDI_PROP_DONTPASS, (n))
412 #define	E1000G_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
413 						DDI_PROP_DONTPASS, (n), -1)
414 
415 #ifdef E1000G_DEBUG
416 /*
417  * E1000G-specific ioctls ...
418  */
419 #define	E1000G_IOC		((((((('E' << 4) + '1') << 4) \
420 				+ 'K') << 4) + 'G') << 4)
421 
422 /*
423  * These diagnostic IOCTLS are enabled only in DEBUG drivers
424  */
425 #define	E1000G_IOC_REG_PEEK	(E1000G_IOC | 1)
426 #define	E1000G_IOC_REG_POKE	(E1000G_IOC | 2)
427 #define	E1000G_IOC_CHIP_RESET	(E1000G_IOC | 3)
428 
429 #define	E1000G_PP_SPACE_REG	0	/* PCI memory space	*/
430 #define	E1000G_PP_SPACE_E1000G	1	/* driver's soft state	*/
431 
432 typedef struct {
433 	uint64_t pp_acc_size;	/* It's 1, 2, 4 or 8	*/
434 	uint64_t pp_acc_space;	/* See #defines below	*/
435 	uint64_t pp_acc_offset;	/* See regs definition	*/
436 	uint64_t pp_acc_data;	/* output for peek	*/
437 				/* input for poke	*/
438 } e1000g_peekpoke_t;
439 #endif	/* E1000G_DEBUG */
440 
441 /*
442  * (Internal) return values from ioctl subroutines
443  */
444 enum ioc_reply {
445 	IOC_INVAL = -1,		/* bad, NAK with EINVAL	*/
446 	IOC_DONE,		/* OK, reply sent	*/
447 	IOC_ACK,		/* OK, just send ACK	*/
448 	IOC_REPLY		/* OK, just send reply	*/
449 };
450 
451 /*
452  * Named Data (ND) Parameter Management Structure
453  */
454 typedef struct {
455 	uint32_t ndp_info;
456 	uint32_t ndp_min;
457 	uint32_t ndp_max;
458 	uint32_t ndp_val;
459 	struct e1000g *ndp_instance;
460 	char *ndp_name;
461 } nd_param_t;
462 
463 /*
464  * The entry of the private dip list
465  */
466 typedef struct _private_devi_list {
467 	dev_info_t *priv_dip;
468 	uint16_t flag;
469 	struct _private_devi_list *next;
470 } private_devi_list_t;
471 
472 /*
473  * A structure that points to the next entry in the queue.
474  */
475 typedef struct _SINGLE_LIST_LINK {
476 	struct _SINGLE_LIST_LINK *Flink;
477 } SINGLE_LIST_LINK, *PSINGLE_LIST_LINK;
478 
479 /*
480  * A "ListHead" structure that points to the head and tail of a queue
481  */
482 typedef struct _LIST_DESCRIBER {
483 	struct _SINGLE_LIST_LINK *volatile Flink;
484 	struct _SINGLE_LIST_LINK *volatile Blink;
485 } LIST_DESCRIBER, *PLIST_DESCRIBER;
486 
487 /*
488  * Address-Length pair structure that stores descriptor info
489  */
490 typedef struct _sw_desc {
491 	uint64_t address;
492 	uint32_t length;
493 } sw_desc_t, *p_sw_desc_t;
494 
495 typedef struct _desc_array {
496 	sw_desc_t descriptor[4];
497 	uint32_t elements;
498 } desc_array_t, *p_desc_array_t;
499 
500 typedef enum {
501 	USE_NONE,
502 	USE_BCOPY,
503 	USE_DVMA,
504 	USE_DMA
505 } dma_type_t;
506 
507 typedef enum {
508 	E1000G_STOP,
509 	E1000G_START,
510 	E1000G_ERROR
511 } chip_state_t;
512 
513 typedef struct _dma_buffer {
514 	caddr_t address;
515 	uint64_t dma_address;
516 	ddi_acc_handle_t acc_handle;
517 	ddi_dma_handle_t dma_handle;
518 	size_t size;
519 	size_t len;
520 } dma_buffer_t, *p_dma_buffer_t;
521 
522 /*
523  * Transmit Control Block (TCB), Ndis equiv of SWPacket This
524  * structure stores the additional information that is
525  * associated with every packet to be transmitted. It stores the
526  * message block pointer and the TBD addresses associated with
527  * the m_blk and also the link to the next tcb in the chain
528  */
529 typedef struct _tx_sw_packet {
530 	/* Link to the next tx_sw_packet in the list */
531 	SINGLE_LIST_LINK Link;
532 	mblk_t *mp;
533 	uint32_t num_desc;
534 	uint32_t num_mblk_frag;
535 	dma_type_t dma_type;
536 	dma_type_t data_transfer_type;
537 	ddi_dma_handle_t tx_dma_handle;
538 	dma_buffer_t tx_buf[1];
539 	sw_desc_t desc[MAX_TX_DESC_PER_PACKET];
540 } tx_sw_packet_t, *p_tx_sw_packet_t;
541 
542 /*
543  * This structure is similar to the rx_sw_packet structure used
544  * for Ndis. This structure stores information about the 2k
545  * aligned receive buffer into which the FX1000 DMA's frames.
546  * This structure is maintained as a linked list of many
547  * receiver buffer pointers.
548  */
549 typedef struct _rx_sw_packet {
550 	/* Link to the next rx_sw_packet_t in the list */
551 	SINGLE_LIST_LINK Link;
552 	struct _rx_sw_packet *next;
553 	uint16_t flag;
554 	mblk_t *mp;
555 	caddr_t rx_ring;
556 	dma_type_t dma_type;
557 	frtn_t free_rtn;
558 	dma_buffer_t rx_buf[1];
559 } rx_sw_packet_t, *p_rx_sw_packet_t;
560 
561 typedef struct _mblk_list {
562 	mblk_t *head;
563 	mblk_t *tail;
564 } mblk_list_t, *p_mblk_list_t;
565 
566 typedef struct _context_data {
567 	uint32_t ether_header_size;
568 	uint32_t cksum_flags;
569 	uint32_t cksum_start;
570 	uint32_t cksum_stuff;
571 	uint16_t mss;
572 	uint8_t hdr_len;
573 	uint32_t pay_len;
574 	boolean_t lso_flag;
575 } context_data_t;
576 
577 typedef union _e1000g_ether_addr {
578 	struct {
579 		uint32_t high;
580 		uint32_t low;
581 	} reg;
582 	struct {
583 		uint8_t set;
584 		uint8_t redundant;
585 		uint8_t addr[ETHERADDRL];
586 	} mac;
587 } e1000g_ether_addr_t;
588 
589 typedef struct _e1000g_stat {
590 
591 	kstat_named_t link_speed;	/* Link Speed */
592 	kstat_named_t reset_count;	/* Reset Count */
593 
594 	kstat_named_t rx_error;		/* Rx Error in Packet */
595 	kstat_named_t rx_esballoc_fail;	/* Rx Desballoc Failure */
596 	kstat_named_t rx_allocb_fail;	/* Rx Allocb Failure */
597 
598 	kstat_named_t tx_no_desc;	/* Tx No Desc */
599 	kstat_named_t tx_no_swpkt;	/* Tx No Pkt Buffer */
600 	kstat_named_t tx_send_fail;	/* Tx SendPkt Failure */
601 	kstat_named_t tx_over_size;	/* Tx Pkt Too Long */
602 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
603 
604 #ifdef E1000G_DEBUG
605 	kstat_named_t rx_none;		/* Rx No Incoming Data */
606 	kstat_named_t rx_multi_desc;	/* Rx Multi Spanned Pkt */
607 	kstat_named_t rx_no_freepkt;	/* Rx No Free Pkt */
608 	kstat_named_t rx_avail_freepkt;	/* Rx Freelist Avail Buffers */
609 
610 	kstat_named_t tx_under_size;	/* Tx Packet Under Size */
611 	kstat_named_t tx_empty_frags;	/* Tx Empty Frags */
612 	kstat_named_t tx_exceed_frags;	/* Tx Exceed Max Frags */
613 	kstat_named_t tx_recycle;	/* Tx Recycle */
614 	kstat_named_t tx_recycle_intr;	/* Tx Recycle in Intr */
615 	kstat_named_t tx_recycle_retry;	/* Tx Recycle Retry */
616 	kstat_named_t tx_recycle_none;	/* Tx No Desc Recycled */
617 	kstat_named_t tx_copy;		/* Tx Send Copy */
618 	kstat_named_t tx_bind;		/* Tx Send Bind */
619 	kstat_named_t tx_multi_copy;	/* Tx Copy Multi Fragments */
620 	kstat_named_t tx_multi_cookie;	/* Tx Pkt Span Multi Cookies */
621 	kstat_named_t tx_lack_desc;	/* Tx Lack of Desc */
622 #endif
623 
624 	kstat_named_t Crcerrs;	/* CRC Error Count */
625 	kstat_named_t Symerrs;	/* Symbol Error Count */
626 	kstat_named_t Mpc;	/* Missed Packet Count */
627 	kstat_named_t Scc;	/* Single Collision Count */
628 	kstat_named_t Ecol;	/* Excessive Collision Count */
629 	kstat_named_t Mcc;	/* Multiple Collision Count */
630 	kstat_named_t Latecol;	/* Late Collision Count */
631 	kstat_named_t Colc;	/* Collision Count */
632 	kstat_named_t Dc;	/* Defer Count */
633 	kstat_named_t Sec;	/* Sequence Error Count */
634 	kstat_named_t Rlec;	/* Receive Length Error Count */
635 	kstat_named_t Xonrxc;	/* XON Received Count */
636 	kstat_named_t Xontxc;	/* XON Xmitted Count */
637 	kstat_named_t Xoffrxc;	/* XOFF Received Count */
638 	kstat_named_t Xofftxc;	/* Xoff Xmitted Count */
639 	kstat_named_t Fcruc;	/* Unknown Flow Conrol Packet Rcvd Count */
640 #ifdef E1000G_DEBUG
641 	kstat_named_t Prc64;	/* Packets Received - 64b */
642 	kstat_named_t Prc127;	/* Packets Received - 65-127b */
643 	kstat_named_t Prc255;	/* Packets Received - 127-255b */
644 	kstat_named_t Prc511;	/* Packets Received - 256-511b */
645 	kstat_named_t Prc1023;	/* Packets Received - 511-1023b */
646 	kstat_named_t Prc1522;	/* Packets Received - 1024-1522b */
647 #endif
648 	kstat_named_t Gprc;	/* Good Packets Received Count */
649 	kstat_named_t Bprc;	/* Broadcasts Pkts Received Count */
650 	kstat_named_t Mprc;	/* Multicast Pkts Received Count */
651 	kstat_named_t Gptc;	/* Good Packets Xmitted Count */
652 	kstat_named_t Gorl;	/* Good Octets Recvd Lo Count */
653 	kstat_named_t Gorh;	/* Good Octets Recvd Hi Count */
654 	kstat_named_t Gotl;	/* Good Octets Xmitd Lo Count */
655 	kstat_named_t Goth;	/* Good Octets Xmitd Hi Count */
656 	kstat_named_t Rnbc;	/* Receive No Buffers Count */
657 	kstat_named_t Ruc;	/* Receive Undersize Count */
658 	kstat_named_t Rfc;	/* Receive Frag Count */
659 	kstat_named_t Roc;	/* Receive Oversize Count */
660 	kstat_named_t Rjc;	/* Receive Jabber Count */
661 	kstat_named_t Torl;	/* Total Octets Recvd Lo Count */
662 	kstat_named_t Torh;	/* Total Octets Recvd Hi Count */
663 	kstat_named_t Totl;	/* Total Octets Xmted Lo Count */
664 	kstat_named_t Toth;	/* Total Octets Xmted Hi Count */
665 	kstat_named_t Tpr;	/* Total Packets Received */
666 	kstat_named_t Tpt;	/* Total Packets Xmitted */
667 #ifdef E1000G_DEBUG
668 	kstat_named_t Ptc64;	/* Packets Xmitted (64b) */
669 	kstat_named_t Ptc127;	/* Packets Xmitted (64-127b) */
670 	kstat_named_t Ptc255;	/* Packets Xmitted (128-255b) */
671 	kstat_named_t Ptc511;	/* Packets Xmitted (255-511b) */
672 	kstat_named_t Ptc1023;	/* Packets Xmitted (512-1023b) */
673 	kstat_named_t Ptc1522;	/* Packets Xmitted (1024-1522b */
674 #endif
675 	kstat_named_t Mptc;	/* Multicast Packets Xmited Count */
676 	kstat_named_t Bptc;	/* Broadcast Packets Xmited Count */
677 	kstat_named_t Algnerrc;	/* Alignment Error count */
678 	kstat_named_t Tuc;	/* Transmit Underrun count */
679 	kstat_named_t Rxerrc;	/* Rx Error Count */
680 	kstat_named_t Tncrs;	/* Transmit with no CRS */
681 	kstat_named_t Cexterr;	/* Carrier Extension Error count */
682 	kstat_named_t Rutec;	/* Receive DMA too Early count */
683 	kstat_named_t Tsctc;	/* TCP seg contexts xmit count */
684 	kstat_named_t Tsctfc;	/* TCP seg contexts xmit fail count */
685 } e1000g_stat_t, *p_e1000g_stat_t;
686 
687 typedef struct _e1000g_tx_ring {
688 	kmutex_t tx_lock;
689 	kmutex_t freelist_lock;
690 	kmutex_t usedlist_lock;
691 	/*
692 	 * Descriptor queue definitions
693 	 */
694 	ddi_dma_handle_t tbd_dma_handle;
695 	ddi_acc_handle_t tbd_acc_handle;
696 	struct e1000_tx_desc *tbd_area;
697 	uint64_t tbd_dma_addr;
698 	struct e1000_tx_desc *tbd_first;
699 	struct e1000_tx_desc *tbd_last;
700 	struct e1000_tx_desc *tbd_oldest;
701 	struct e1000_tx_desc *tbd_next;
702 	uint32_t tbd_avail;
703 	/*
704 	 * Software packet structures definitions
705 	 */
706 	p_tx_sw_packet_t packet_area;
707 	LIST_DESCRIBER used_list;
708 	LIST_DESCRIBER free_list;
709 	/*
710 	 * TCP/UDP Context Data Information
711 	 */
712 	context_data_t pre_context;
713 	/*
714 	 * Timer definitions for 82547
715 	 */
716 	timeout_id_t timer_id_82547;
717 	boolean_t timer_enable_82547;
718 	/*
719 	 * reschedule when tx resource is available
720 	 */
721 	boolean_t resched_needed;
722 	clock_t resched_timestamp;
723 	uint32_t stall_watchdog;
724 	uint32_t recycle_fail;
725 	mblk_list_t mblks;
726 	/*
727 	 * Statistics
728 	 */
729 	uint32_t stat_no_swpkt;
730 	uint32_t stat_no_desc;
731 	uint32_t stat_send_fail;
732 	uint32_t stat_reschedule;
733 	uint32_t stat_timer_reschedule;
734 	uint32_t stat_over_size;
735 #ifdef E1000G_DEBUG
736 	uint32_t stat_under_size;
737 	uint32_t stat_exceed_frags;
738 	uint32_t stat_empty_frags;
739 	uint32_t stat_recycle;
740 	uint32_t stat_recycle_intr;
741 	uint32_t stat_recycle_retry;
742 	uint32_t stat_recycle_none;
743 	uint32_t stat_copy;
744 	uint32_t stat_bind;
745 	uint32_t stat_multi_copy;
746 	uint32_t stat_multi_cookie;
747 	uint32_t stat_lack_desc;
748 	uint32_t stat_lso_header_fail;
749 #endif
750 	/*
751 	 * Pointer to the adapter
752 	 */
753 	struct e1000g *adapter;
754 } e1000g_tx_ring_t, *pe1000g_tx_ring_t;
755 
756 typedef struct _e1000g_rx_ring {
757 	kmutex_t rx_lock;
758 	kmutex_t freelist_lock;
759 	kmutex_t recycle_lock;
760 	/*
761 	 * Descriptor queue definitions
762 	 */
763 	ddi_dma_handle_t rbd_dma_handle;
764 	ddi_acc_handle_t rbd_acc_handle;
765 	struct e1000_rx_desc *rbd_area;
766 	uint64_t rbd_dma_addr;
767 	struct e1000_rx_desc *rbd_first;
768 	struct e1000_rx_desc *rbd_last;
769 	struct e1000_rx_desc *rbd_next;
770 	/*
771 	 * Software packet structures definitions
772 	 */
773 	p_rx_sw_packet_t packet_area;
774 	LIST_DESCRIBER recv_list;
775 	LIST_DESCRIBER free_list;
776 	LIST_DESCRIBER recycle_list;
777 
778 	p_rx_sw_packet_t pending_list;
779 	uint32_t pending_count;
780 	uint32_t avail_freepkt;
781 	uint32_t recycle_freepkt;
782 	uint32_t rx_mblk_len;
783 	mblk_t *rx_mblk;
784 	mblk_t *rx_mblk_tail;
785 	mac_ring_handle_t mrh;
786 	mac_ring_handle_t mrh_init;
787 	uint64_t ring_gen_num;
788 	mblk_t *poll_list_head;
789 	mblk_t *poll_list_tail;
790 	uint_t poll_list_sz;
791 	boolean_t poll_flag;
792 
793 	/*
794 	 * Statistics
795 	 */
796 	uint32_t stat_error;
797 	uint32_t stat_esballoc_fail;
798 	uint32_t stat_allocb_fail;
799 	uint32_t stat_exceed_pkt;
800 #ifdef E1000G_DEBUG
801 	uint32_t stat_none;
802 	uint32_t stat_multi_desc;
803 	uint32_t stat_no_freepkt;
804 #endif
805 	/*
806 	 * Pointer to the adapter
807 	 */
808 	struct e1000g *adapter;
809 } e1000g_rx_ring_t, *pe1000g_rx_ring_t;
810 
811 typedef struct e1000g {
812 	int instance;
813 	dev_info_t *dip;
814 	dev_info_t *priv_dip;
815 	mac_handle_t mh;
816 	mac_resource_handle_t mrh;
817 	struct e1000_hw shared;
818 	struct e1000g_osdep osdep;
819 
820 	chip_state_t chip_state;
821 	boolean_t e1000g_promisc;
822 	boolean_t strip_crc;
823 	boolean_t rx_buffer_setup;
824 	boolean_t esb2_workaround;
825 	link_state_t link_state;
826 	uint32_t link_speed;
827 	uint32_t link_duplex;
828 	uint32_t master_latency_timer;
829 	uint32_t smartspeed;	/* smartspeed w/a counter */
830 	uint32_t init_count;
831 	uint32_t reset_count;
832 	uint32_t attach_progress;	/* attach tracking */
833 	uint32_t loopback_mode;
834 
835 	uint32_t tx_desc_num;
836 	uint32_t tx_freelist_num;
837 	uint32_t rx_desc_num;
838 	uint32_t rx_freelist_num;
839 	uint32_t tx_buffer_size;
840 	uint32_t rx_buffer_size;
841 
842 	uint32_t tx_link_down_timeout;
843 	uint32_t tx_bcopy_thresh;
844 	uint32_t rx_limit_onintr;
845 	uint32_t rx_bcopy_thresh;
846 	uint32_t rx_buf_align;
847 	uint32_t desc_align;
848 
849 	boolean_t intr_adaptive;
850 	boolean_t tx_intr_enable;
851 	uint32_t tx_intr_delay;
852 	uint32_t tx_intr_abs_delay;
853 	uint32_t rx_intr_delay;
854 	uint32_t rx_intr_abs_delay;
855 	uint32_t intr_throttling_rate;
856 
857 	uint32_t default_mtu;
858 	uint32_t max_frame_size;
859 	uint32_t min_frame_size;
860 
861 	boolean_t watchdog_timer_enabled;
862 	boolean_t watchdog_timer_started;
863 	timeout_id_t watchdog_tid;
864 	boolean_t link_complete;
865 	timeout_id_t link_tid;
866 
867 	e1000g_rx_ring_t rx_ring[1];
868 	e1000g_tx_ring_t tx_ring[1];
869 	mac_group_handle_t rx_group;
870 
871 	kmutex_t gen_lock; /* General lock for the whole struct e1000g */
872 
873 	/*
874 	 * Rx and Tx packet count for interrupt adaptive setting
875 	 */
876 	uint32_t rx_pkt_cnt;
877 	uint32_t tx_pkt_cnt;
878 
879 	/*
880 	 * The watchdog_lock must be held when updateing the
881 	 * timeout fields in struct e1000g, that is,
882 	 * watchdog_tid, watchdog_timer_started.
883 	 */
884 	kmutex_t watchdog_lock;
885 	/*
886 	 * The link_lock protects the link fields in struct e1000g,
887 	 * such as link_state, link_speed, link_duplex, link_complete, and
888 	 * link_tid.
889 	 */
890 	kmutex_t link_lock;
891 	/*
892 	 * The chip_lock assures that the Rx/Tx process must be
893 	 * stopped while other functions change the hardware
894 	 * configuration of e1000g card, such as e1000g_reset(),
895 	 * e1000g_reset_hw() etc are executed.
896 	 */
897 	krwlock_t chip_lock;
898 
899 	boolean_t unicst_init;
900 	uint32_t unicst_avail;
901 	uint32_t unicst_total;
902 	e1000g_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
903 
904 	uint32_t mcast_count;
905 	struct ether_addr mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
906 
907 	ulong_t sys_page_sz;
908 #ifdef __sparc
909 	uint_t dvma_page_num;
910 #endif
911 
912 	boolean_t msi_enable;
913 	boolean_t tx_hcksum_enable;
914 	boolean_t lso_enable;
915 	boolean_t lso_premature_issue;
916 	boolean_t mem_workaround_82546;
917 	int intr_type;
918 	int intr_cnt;
919 	int intr_cap;
920 	size_t intr_size;
921 	uint_t intr_pri;
922 	ddi_intr_handle_t *htable;
923 
924 	int tx_softint_pri;
925 	ddi_softint_handle_t tx_softint_handle;
926 
927 	kstat_t *e1000g_ksp;
928 
929 	boolean_t poll_mode;
930 
931 	uint16_t phy_ctrl;		/* contents of PHY_CTRL */
932 	uint16_t phy_status;		/* contents of PHY_STATUS */
933 	uint16_t phy_an_adv;		/* contents of PHY_AUTONEG_ADV */
934 	uint16_t phy_an_exp;		/* contents of PHY_AUTONEG_EXP */
935 	uint16_t phy_ext_status;	/* contents of PHY_EXT_STATUS */
936 	uint16_t phy_1000t_ctrl;	/* contents of PHY_1000T_CTRL */
937 	uint16_t phy_1000t_status;	/* contents of PHY_1000T_STATUS */
938 	uint16_t phy_lp_able;		/* contents of PHY_LP_ABILITY */
939 
940 	/*
941 	 * FMA capabilities
942 	 */
943 	int fm_capabilities;
944 
945 	uint32_t	param_en_1000fdx:1,
946 			param_en_1000hdx:1,
947 			param_en_100fdx:1,
948 			param_en_100hdx:1,
949 			param_en_10fdx:1,
950 			param_en_10hdx:1,
951 			param_autoneg_cap:1,
952 			param_pause_cap:1,
953 			param_asym_pause_cap:1,
954 			param_1000fdx_cap:1,
955 			param_1000hdx_cap:1,
956 			param_100t4_cap:1,
957 			param_100fdx_cap:1,
958 			param_100hdx_cap:1,
959 			param_10fdx_cap:1,
960 			param_10hdx_cap:1,
961 			param_adv_autoneg:1,
962 			param_adv_pause:1,
963 			param_adv_asym_pause:1,
964 			param_adv_1000fdx:1,
965 			param_adv_1000hdx:1,
966 			param_adv_100t4:1,
967 			param_adv_100fdx:1,
968 			param_adv_100hdx:1,
969 			param_adv_10fdx:1,
970 			param_adv_10hdx:1,
971 			param_lp_autoneg:1,
972 			param_lp_pause:1,
973 			param_lp_asym_pause:1,
974 			param_lp_1000fdx:1,
975 			param_lp_1000hdx:1,
976 			param_lp_100t4:1;
977 
978 	uint32_t	param_lp_100fdx:1,
979 			param_lp_100hdx:1,
980 			param_lp_10fdx:1,
981 			param_lp_10hdx:1,
982 			param_pad_to_32:28;
983 
984 } e1000g_t;
985 
986 
987 /*
988  * Function prototypes
989  */
990 int e1000g_alloc_dma_resources(struct e1000g *Adapter);
991 void e1000g_release_dma_resources(struct e1000g *Adapter);
992 void e1000g_free_rx_sw_packet(p_rx_sw_packet_t packet);
993 void e1000g_tx_setup(struct e1000g *Adapter);
994 void e1000g_rx_setup(struct e1000g *Adapter);
995 void e1000g_setup_multicast(struct e1000g *Adapter);
996 
997 int e1000g_recycle(e1000g_tx_ring_t *tx_ring);
998 void e1000g_free_tx_swpkt(p_tx_sw_packet_t packet);
999 void e1000g_tx_freemsg(e1000g_tx_ring_t *tx_ring);
1000 uint_t e1000g_tx_softint_worker(caddr_t arg1, caddr_t arg2);
1001 mblk_t *e1000g_m_tx(void *arg, mblk_t *mp);
1002 mblk_t *e1000g_receive(e1000g_rx_ring_t *rx_ring, mblk_t **tail, uint_t *sz);
1003 void e1000g_rxfree_func(p_rx_sw_packet_t packet);
1004 
1005 int e1000g_m_stat(void *arg, uint_t stat, uint64_t *val);
1006 int e1000g_init_stats(struct e1000g *Adapter);
1007 void e1000_tbi_adjust_stats(struct e1000g *Adapter,
1008     uint32_t frame_len, uint8_t *mac_addr);
1009 
1010 void e1000g_clear_interrupt(struct e1000g *Adapter);
1011 void e1000g_mask_interrupt(struct e1000g *Adapter);
1012 void e1000g_clear_all_interrupts(struct e1000g *Adapter);
1013 void e1000g_clear_tx_interrupt(struct e1000g *Adapter);
1014 void e1000g_mask_tx_interrupt(struct e1000g *Adapter);
1015 void phy_spd_state(struct e1000_hw *hw, boolean_t enable);
1016 void e1000_enable_pciex_master(struct e1000_hw *hw);
1017 int e1000g_check_acc_handle(ddi_acc_handle_t handle);
1018 int e1000g_check_dma_handle(ddi_dma_handle_t handle);
1019 void e1000g_fm_ereport(struct e1000g *Adapter, char *detail);
1020 void e1000g_set_fma_flags(struct e1000g *Adapter, int acc_flag, int dma_flag);
1021 int e1000g_reset_link(struct e1000g *Adapter);
1022 
1023 /*
1024  * Global variables
1025  */
1026 extern boolean_t e1000g_force_detach;
1027 extern uint32_t e1000g_mblks_pending;
1028 extern krwlock_t e1000g_rx_detach_lock;
1029 extern private_devi_list_t *e1000g_private_devi_list;
1030 extern int e1000g_poll_mode;
1031 
1032 #ifdef __cplusplus
1033 }
1034 #endif
1035 
1036 #endif	/* _E1000G_SW_H */
1037