xref: /illumos-gate/usr/src/uts/common/io/e1000g/e1000g_sw.h (revision b1e2e3fb17324e9ddf43db264a0c64da7756d9e6)
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 (c) 2010, Oracle and/or its affiliates. All rights reserved.
23  * Copyright 2012 David Höppner. All rights reserved.
24  * Copyright (c) 2017, Joyent, Inc.
25  */
26 
27 #ifndef _E1000G_SW_H
28 #define	_E1000G_SW_H
29 
30 #ifdef __cplusplus
31 extern "C" {
32 #endif
33 
34 /*
35  * **********************************************************************
36  * Module Name:								*
37  *   e1000g_sw.h							*
38  *									*
39  * Abstract:								*
40  *   This header file contains Software-related data structures		*
41  *   definitions.							*
42  *									*
43  * **********************************************************************
44  */
45 
46 #include <sys/types.h>
47 #include <sys/conf.h>
48 #include <sys/debug.h>
49 #include <sys/stropts.h>
50 #include <sys/stream.h>
51 #include <sys/strsun.h>
52 #include <sys/strlog.h>
53 #include <sys/kmem.h>
54 #include <sys/stat.h>
55 #include <sys/kstat.h>
56 #include <sys/modctl.h>
57 #include <sys/errno.h>
58 #include <sys/mac_provider.h>
59 #include <sys/mac_ether.h>
60 #include <sys/vlan.h>
61 #include <sys/ddi.h>
62 #include <sys/sunddi.h>
63 #include <sys/disp.h>
64 #include <sys/pci.h>
65 #include <sys/sdt.h>
66 #include <sys/ethernet.h>
67 #include <sys/pattr.h>
68 #include <sys/strsubr.h>
69 #include <sys/netlb.h>
70 #include <inet/common.h>
71 #include <inet/ip.h>
72 #include <inet/tcp.h>
73 #include <inet/mi.h>
74 #include <inet/nd.h>
75 #include <sys/ddifm.h>
76 #include <sys/fm/protocol.h>
77 #include <sys/fm/util.h>
78 #include <sys/fm/io/ddi.h>
79 #include "e1000_api.h"
80 
81 /* Driver states */
82 #define	E1000G_UNKNOWN			0x00
83 #define	E1000G_INITIALIZED		0x01
84 #define	E1000G_STARTED			0x02
85 #define	E1000G_SUSPENDED		0x04
86 #define	E1000G_ERROR			0x80
87 
88 #define	JUMBO_FRAG_LENGTH		4096
89 
90 #define	LAST_RAR_ENTRY			(E1000_RAR_ENTRIES - 1)
91 #define	MAX_NUM_UNICAST_ADDRESSES	E1000_RAR_ENTRIES
92 #define	MCAST_ALLOC_SIZE		256
93 
94 /*
95  * MAX_COOKIES = max_LSO_packet_size(65535 + ethernet_header_len)/page_size
96  *	+ one for cross page split
97  * MAX_TX_DESC_PER_PACKET = MAX_COOKIES + one for the context descriptor +
98  *	two for the workaround of the 82546 chip
99  */
100 #define	MAX_COOKIES			18
101 #define	MAX_TX_DESC_PER_PACKET		21
102 
103 /*
104  * constants used in setting flow control thresholds
105  */
106 #define	E1000_PBA_MASK		0xffff
107 #define	E1000_PBA_SHIFT		10
108 #define	E1000_FC_HIGH_DIFF	0x1638 /* High: 5688 bytes below Rx FIFO size */
109 #define	E1000_FC_LOW_DIFF	0x1640 /* Low: 5696 bytes below Rx FIFO size */
110 #define	E1000_FC_PAUSE_TIME	0x0680 /* 858 usec */
111 
112 #define	MAX_NUM_TX_DESCRIPTOR		4096
113 #define	MAX_NUM_RX_DESCRIPTOR		4096
114 #define	MAX_NUM_RX_FREELIST		4096
115 #define	MAX_NUM_TX_FREELIST		4096
116 #define	MAX_RX_LIMIT_ON_INTR		4096
117 #define	MAX_RX_INTR_DELAY		65535
118 #define	MAX_RX_INTR_ABS_DELAY		65535
119 #define	MAX_TX_INTR_DELAY		65535
120 #define	MAX_TX_INTR_ABS_DELAY		65535
121 #define	MAX_INTR_THROTTLING		65535
122 #define	MAX_RX_BCOPY_THRESHOLD		E1000_RX_BUFFER_SIZE_2K
123 #define	MAX_TX_BCOPY_THRESHOLD		E1000_TX_BUFFER_SIZE_2K
124 #define	MAX_MCAST_NUM			8192
125 
126 #define	MIN_NUM_TX_DESCRIPTOR		80
127 #define	MIN_NUM_RX_DESCRIPTOR		80
128 #define	MIN_NUM_RX_FREELIST		64
129 #define	MIN_NUM_TX_FREELIST		80
130 #define	MIN_RX_LIMIT_ON_INTR		16
131 #define	MIN_RX_INTR_DELAY		0
132 #define	MIN_RX_INTR_ABS_DELAY		0
133 #define	MIN_TX_INTR_DELAY		0
134 #define	MIN_TX_INTR_ABS_DELAY		0
135 #define	MIN_INTR_THROTTLING		0
136 #define	MIN_RX_BCOPY_THRESHOLD		0
137 #define	MIN_TX_BCOPY_THRESHOLD		ETHERMIN
138 #define	MIN_MCAST_NUM			8
139 
140 #define	DEFAULT_NUM_RX_DESCRIPTOR	2048
141 #define	DEFAULT_NUM_TX_DESCRIPTOR	2048
142 #define	DEFAULT_NUM_RX_FREELIST		4096
143 #define	DEFAULT_NUM_TX_FREELIST		2304
144 #define	DEFAULT_JUMBO_NUM_RX_DESC	1024
145 #define	DEFAULT_JUMBO_NUM_TX_DESC	1024
146 #define	DEFAULT_JUMBO_NUM_RX_BUF	2048
147 #define	DEFAULT_JUMBO_NUM_TX_BUF	1152
148 #define	DEFAULT_RX_LIMIT_ON_INTR	128
149 #define	RX_FREELIST_INCREASE_SIZE	512
150 
151 #ifdef __sparc
152 #define	MAX_INTR_PER_SEC		7100
153 #define	MIN_INTR_PER_SEC		3000
154 #define	DEFAULT_INTR_PACKET_LOW		5
155 #define	DEFAULT_INTR_PACKET_HIGH	128
156 #else
157 #define	MAX_INTR_PER_SEC		15000
158 #define	MIN_INTR_PER_SEC		4000
159 #define	DEFAULT_INTR_PACKET_LOW		10
160 #define	DEFAULT_INTR_PACKET_HIGH	48
161 #endif
162 
163 #define	DEFAULT_RX_INTR_DELAY		0
164 #define	DEFAULT_RX_INTR_ABS_DELAY	64
165 #define	DEFAULT_TX_INTR_DELAY		64
166 #define	DEFAULT_TX_INTR_ABS_DELAY	64
167 #define	DEFAULT_INTR_THROTTLING_HIGH    1000000000/(MIN_INTR_PER_SEC*256)
168 #define	DEFAULT_INTR_THROTTLING_LOW	1000000000/(MAX_INTR_PER_SEC*256)
169 #define	DEFAULT_INTR_THROTTLING		DEFAULT_INTR_THROTTLING_LOW
170 
171 #define	DEFAULT_RX_BCOPY_THRESHOLD	128
172 #define	DEFAULT_TX_BCOPY_THRESHOLD	512
173 #define	DEFAULT_TX_UPDATE_THRESHOLD	256
174 #define	DEFAULT_TX_NO_RESOURCE		MAX_TX_DESC_PER_PACKET
175 
176 #define	DEFAULT_TX_INTR_ENABLE		1
177 #define	DEFAULT_FLOW_CONTROL		3
178 #define	DEFAULT_MASTER_LATENCY_TIMER	0	/* BIOS should decide */
179 						/* which is normally 0x040 */
180 #define	DEFAULT_TBI_COMPAT_ENABLE	1	/* Enable SBP workaround */
181 #define	DEFAULT_MSI_ENABLE		1	/* MSI Enable */
182 #define	DEFAULT_TX_HCKSUM_ENABLE	1	/* Hardware checksum enable */
183 #define	DEFAULT_LSO_ENABLE		1	/* LSO enable */
184 #define	DEFAULT_MEM_WORKAROUND_82546	1	/* 82546 memory workaround */
185 
186 #define	TX_DRAIN_TIME		(200)	/* # milliseconds xmit drain */
187 #define	RX_DRAIN_TIME		(200)	/* # milliseconds recv drain */
188 
189 #define	TX_STALL_TIME_2S		(200)	/* in unit of tick */
190 #define	TX_STALL_TIME_8S		(800)	/* in unit of tick */
191 
192 /*
193  * The size of the receive/transmite buffers
194  */
195 #define	E1000_RX_BUFFER_SIZE_2K		(2048)
196 #define	E1000_RX_BUFFER_SIZE_4K		(4096)
197 #define	E1000_RX_BUFFER_SIZE_8K		(8192)
198 #define	E1000_RX_BUFFER_SIZE_16K	(16384)
199 
200 #define	E1000_TX_BUFFER_SIZE_2K		(2048)
201 #define	E1000_TX_BUFFER_SIZE_4K		(4096)
202 #define	E1000_TX_BUFFER_SIZE_8K		(8192)
203 #define	E1000_TX_BUFFER_SIZE_16K	(16384)
204 
205 #define	E1000_TX_BUFFER_OEVRRUN_THRESHOLD	(2015)
206 
207 #define	E1000G_RX_NORMAL		0x0
208 #define	E1000G_RX_STOPPED		0x1
209 
210 #define	E1000G_CHAIN_NO_LIMIT		0
211 
212 /*
213  * definitions for smartspeed workaround
214  */
215 #define	  E1000_SMARTSPEED_MAX		30	/* 30 watchdog iterations */
216 						/* or 30 seconds */
217 #define	  E1000_SMARTSPEED_DOWNSHIFT	6	/* 6 watchdog iterations */
218 						/* or 6 seconds */
219 
220 /*
221  * Definitions for module_info.
222  */
223 #define	 WSNAME			"e1000g"	/* module name */
224 
225 /*
226  * Defined for IP header alignment. We also need to preserve space for
227  * VLAN tag (4 bytes)
228  */
229 #define	E1000G_IPALIGNROOM		2
230 
231 /*
232  * bit flags for 'attach_progress' which is a member variable in struct e1000g
233  */
234 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
235 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
236 #define	ATTACH_PROGRESS_SETUP		0x0004	/* Setup driver parameters */
237 #define	ATTACH_PROGRESS_ADD_INTR	0x0008	/* Interrupt added */
238 #define	ATTACH_PROGRESS_LOCKS		0x0010	/* Locks initialized */
239 #define	ATTACH_PROGRESS_SOFT_INTR	0x0020	/* Soft interrupt added */
240 #define	ATTACH_PROGRESS_KSTATS		0x0040	/* Kstats created */
241 #define	ATTACH_PROGRESS_ALLOC		0x0080	/* DMA resources allocated */
242 #define	ATTACH_PROGRESS_INIT		0x0100	/* Driver initialization */
243 /* 0200 used to be PROGRESS_NDD. Now unused */
244 #define	ATTACH_PROGRESS_MAC		0x0400	/* MAC registered */
245 #define	ATTACH_PROGRESS_ENABLE_INTR	0x0800	/* DDI interrupts enabled */
246 #define	ATTACH_PROGRESS_FMINIT		0x1000	/* FMA initiated */
247 
248 /*
249  * Speed and Duplex Settings
250  */
251 #define	GDIAG_10_HALF		1
252 #define	GDIAG_10_FULL		2
253 #define	GDIAG_100_HALF		3
254 #define	GDIAG_100_FULL		4
255 #define	GDIAG_1000_FULL		6
256 #define	GDIAG_ANY		7
257 
258 /*
259  * Coexist Workaround RP: 07/04/03
260  * 82544 Workaround : Co-existence
261  */
262 #define	MAX_TX_BUF_SIZE		(8 * 1024)
263 
264 /*
265  * Defines for Jumbo Frame
266  */
267 #define	FRAME_SIZE_UPTO_2K	2048
268 #define	FRAME_SIZE_UPTO_4K	4096
269 #define	FRAME_SIZE_UPTO_8K	8192
270 #define	FRAME_SIZE_UPTO_16K	16384
271 #define	FRAME_SIZE_UPTO_9K	9234
272 
273 #define	DEFAULT_MTU		ETHERMTU
274 #define	MAXIMUM_MTU_4K		4096
275 #define	MAXIMUM_MTU_9K		9216
276 
277 #define	DEFAULT_FRAME_SIZE	\
278 	(DEFAULT_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
279 #define	MAXIMUM_FRAME_SIZE	\
280 	(MAXIMUM_MTU + sizeof (struct ether_vlan_header) + ETHERFCSL)
281 
282 #define	E1000_LSO_MAXLEN				65535
283 #define	E1000_LSO_FIRST_DESC_ALIGNMENT_BOUNDARY_4K	4096
284 #define	E1000_LSO_FIRST_DESC_ALIGNMENT			128
285 
286 /* Defines for Tx stall check */
287 #define	E1000G_STALL_WATCHDOG_COUNT	8
288 
289 #define	MAX_TX_LINK_DOWN_TIMEOUT	8
290 
291 /* Defines for DVMA */
292 #ifdef __sparc
293 #define	E1000G_DEFAULT_DVMA_PAGE_NUM	2
294 #endif
295 
296 /*
297  * Loopback definitions
298  */
299 #define	E1000G_LB_NONE			0
300 #define	E1000G_LB_EXTERNAL_1000		1
301 #define	E1000G_LB_EXTERNAL_100		2
302 #define	E1000G_LB_EXTERNAL_10		3
303 #define	E1000G_LB_INTERNAL_PHY		4
304 
305 /*
306  * Private dip list definitions
307  */
308 #define	E1000G_PRIV_DEVI_ATTACH	0x0
309 #define	E1000G_PRIV_DEVI_DETACH	0x1
310 
311 /*
312  * Tx descriptor LENGTH field mask
313  */
314 #define	E1000G_TBD_LENGTH_MASK		0x000fffff
315 
316 #define	E1000G_IS_VLAN_PACKET(ptr)				\
317 	((((struct ether_vlan_header *)(uintptr_t)ptr)->ether_tpid) ==	\
318 	htons(ETHERTYPE_VLAN))
319 
320 /*
321  * QUEUE_INIT_LIST -- Macro which will init ialize a queue to NULL.
322  */
323 #define	QUEUE_INIT_LIST(_LH)	\
324 	(_LH)->Flink = (_LH)->Blink = (PSINGLE_LIST_LINK)0
325 
326 /*
327  * IS_QUEUE_EMPTY -- Macro which checks to see if a queue is empty.
328  */
329 #define	IS_QUEUE_EMPTY(_LH)	\
330 	((_LH)->Flink == (PSINGLE_LIST_LINK)0)
331 
332 /*
333  * QUEUE_GET_HEAD -- Macro which returns the head of the queue, but does
334  * not remove the head from the queue.
335  */
336 #define	QUEUE_GET_HEAD(_LH)	((PSINGLE_LIST_LINK)((_LH)->Flink))
337 
338 /*
339  * QUEUE_REMOVE_HEAD -- Macro which removes the head of the head of a queue.
340  */
341 #define	QUEUE_REMOVE_HEAD(_LH)	\
342 { \
343 	PSINGLE_LIST_LINK ListElem; \
344 	if (ListElem = (_LH)->Flink) \
345 	{ \
346 		if (!((_LH)->Flink = ListElem->Flink)) \
347 			(_LH)->Blink = (PSINGLE_LIST_LINK) 0; \
348 	} \
349 }
350 
351 /*
352  * QUEUE_POP_HEAD -- Macro which  will pop the head off of a queue (list),
353  *	and return it (this differs from QUEUE_REMOVE_HEAD only in
354  *	the 1st line).
355  */
356 #define	QUEUE_POP_HEAD(_LH)	\
357 	(PSINGLE_LIST_LINK)(_LH)->Flink; \
358 	{ \
359 		PSINGLE_LIST_LINK ListElem; \
360 		ListElem = (_LH)->Flink; \
361 		if (ListElem) \
362 		{ \
363 			(_LH)->Flink = ListElem->Flink; \
364 			if (!(_LH)->Flink) \
365 				(_LH)->Blink = (PSINGLE_LIST_LINK)0; \
366 		} \
367 	}
368 
369 /*
370  * QUEUE_GET_TAIL -- Macro which returns the tail of the queue, but does not
371  *	remove the tail from the queue.
372  */
373 #define	QUEUE_GET_TAIL(_LH)	((PSINGLE_LIST_LINK)((_LH)->Blink))
374 
375 /*
376  * QUEUE_PUSH_TAIL -- Macro which puts an element at the tail (end) of the queue
377  */
378 #define	QUEUE_PUSH_TAIL(_LH, _E)	\
379 	if ((_LH)->Blink) \
380 	{ \
381 		((PSINGLE_LIST_LINK)(_LH)->Blink)->Flink = \
382 			(PSINGLE_LIST_LINK)(_E); \
383 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
384 	} else { \
385 		(_LH)->Flink = \
386 			(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
387 	} \
388 	(_E)->Flink = (PSINGLE_LIST_LINK)0;
389 
390 /*
391  * QUEUE_PUSH_HEAD -- Macro which puts an element at the head of the queue.
392  */
393 #define	QUEUE_PUSH_HEAD(_LH, _E)	\
394 	if (!((_E)->Flink = (_LH)->Flink)) \
395 	{ \
396 		(_LH)->Blink = (PSINGLE_LIST_LINK)(_E); \
397 	} \
398 	(_LH)->Flink = (PSINGLE_LIST_LINK)(_E);
399 
400 /*
401  * QUEUE_GET_NEXT -- Macro which returns the next element linked to the
402  *	current element.
403  */
404 #define	QUEUE_GET_NEXT(_LH, _E)		\
405 	(PSINGLE_LIST_LINK)((((_LH)->Blink) == (_E)) ? \
406 	(0) : ((_E)->Flink))
407 
408 /*
409  * QUEUE_APPEND -- Macro which appends a queue to the tail of another queue
410  */
411 #define	QUEUE_APPEND(_LH1, _LH2)	\
412 	if ((_LH2)->Flink) { \
413 		if ((_LH1)->Flink) { \
414 			((PSINGLE_LIST_LINK)(_LH1)->Blink)->Flink = \
415 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
416 		} else { \
417 			(_LH1)->Flink = \
418 				((PSINGLE_LIST_LINK)(_LH2)->Flink); \
419 		} \
420 		(_LH1)->Blink = ((PSINGLE_LIST_LINK)(_LH2)->Blink); \
421 	}
422 
423 
424 #define	QUEUE_SWITCH(_LH1, _LH2)					\
425 	if ((_LH2)->Flink) { 						\
426 		(_LH1)->Flink = (_LH2)->Flink;				\
427 		(_LH1)->Blink = (_LH2)->Blink;				\
428 		(_LH2)->Flink = (_LH2)->Blink = (PSINGLE_LIST_LINK)0;	\
429 	}
430 
431 /*
432  * Property lookups
433  */
434 #define	E1000G_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
435 						DDI_PROP_DONTPASS, (n))
436 #define	E1000G_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
437 						DDI_PROP_DONTPASS, (n), -1)
438 
439 #ifdef E1000G_DEBUG
440 /*
441  * E1000G-specific ioctls ...
442  */
443 #define	E1000G_IOC		((((((('E' << 4) + '1') << 4) \
444 				+ 'K') << 4) + 'G') << 4)
445 
446 /*
447  * These diagnostic IOCTLS are enabled only in DEBUG drivers
448  */
449 #define	E1000G_IOC_REG_PEEK	(E1000G_IOC | 1)
450 #define	E1000G_IOC_REG_POKE	(E1000G_IOC | 2)
451 #define	E1000G_IOC_CHIP_RESET	(E1000G_IOC | 3)
452 
453 #define	E1000G_PP_SPACE_REG	0	/* PCI memory space	*/
454 #define	E1000G_PP_SPACE_E1000G	1	/* driver's soft state	*/
455 
456 typedef struct {
457 	uint64_t pp_acc_size;	/* It's 1, 2, 4 or 8	*/
458 	uint64_t pp_acc_space;	/* See #defines below	*/
459 	uint64_t pp_acc_offset;	/* See regs definition	*/
460 	uint64_t pp_acc_data;	/* output for peek	*/
461 				/* input for poke	*/
462 } e1000g_peekpoke_t;
463 #endif	/* E1000G_DEBUG */
464 
465 /*
466  * (Internal) return values from ioctl subroutines
467  */
468 enum ioc_reply {
469 	IOC_INVAL = -1,		/* bad, NAK with EINVAL	*/
470 	IOC_DONE,		/* OK, reply sent	*/
471 	IOC_ACK,		/* OK, just send ACK	*/
472 	IOC_REPLY		/* OK, just send reply	*/
473 };
474 
475 /*
476  * Named Data (ND) Parameter Management Structure
477  */
478 typedef struct {
479 	uint32_t ndp_info;
480 	uint32_t ndp_min;
481 	uint32_t ndp_max;
482 	uint32_t ndp_val;
483 	struct e1000g *ndp_instance;
484 	char *ndp_name;
485 } nd_param_t;
486 
487 /*
488  * The entry of the private dip list
489  */
490 typedef struct _private_devi_list {
491 	dev_info_t *priv_dip;
492 	uint32_t flag;
493 	uint32_t pending_rx_count;
494 	struct _private_devi_list *prev;
495 	struct _private_devi_list *next;
496 } private_devi_list_t;
497 
498 /*
499  * A structure that points to the next entry in the queue.
500  */
501 typedef struct _SINGLE_LIST_LINK {
502 	struct _SINGLE_LIST_LINK *Flink;
503 } SINGLE_LIST_LINK, *PSINGLE_LIST_LINK;
504 
505 /*
506  * A "ListHead" structure that points to the head and tail of a queue
507  */
508 typedef struct _LIST_DESCRIBER {
509 	struct _SINGLE_LIST_LINK *volatile Flink;
510 	struct _SINGLE_LIST_LINK *volatile Blink;
511 } LIST_DESCRIBER, *PLIST_DESCRIBER;
512 
513 enum e1000g_bar_type {
514 	E1000G_BAR_CONFIG = 0,
515 	E1000G_BAR_IO,
516 	E1000G_BAR_MEM32,
517 	E1000G_BAR_MEM64
518 };
519 
520 typedef struct {
521 	enum e1000g_bar_type type;
522 	int rnumber;
523 } bar_info_t;
524 
525 /*
526  * Address-Length pair structure that stores descriptor info
527  */
528 typedef struct _sw_desc {
529 	uint64_t address;
530 	uint32_t length;
531 } sw_desc_t, *p_sw_desc_t;
532 
533 typedef struct _desc_array {
534 	sw_desc_t descriptor[4];
535 	uint32_t elements;
536 } desc_array_t, *p_desc_array_t;
537 
538 typedef enum {
539 	USE_NONE,
540 	USE_BCOPY,
541 	USE_DVMA,
542 	USE_DMA
543 } dma_type_t;
544 
545 typedef struct _dma_buffer {
546 	caddr_t address;
547 	uint64_t dma_address;
548 	ddi_acc_handle_t acc_handle;
549 	ddi_dma_handle_t dma_handle;
550 	size_t size;
551 	size_t len;
552 } dma_buffer_t, *p_dma_buffer_t;
553 
554 /*
555  * Transmit Control Block (TCB), Ndis equiv of SWPacket This
556  * structure stores the additional information that is
557  * associated with every packet to be transmitted. It stores the
558  * message block pointer and the TBD addresses associated with
559  * the m_blk and also the link to the next tcb in the chain
560  */
561 typedef struct _tx_sw_packet {
562 	/* Link to the next tx_sw_packet in the list */
563 	SINGLE_LIST_LINK Link;
564 	mblk_t *mp;
565 	uint32_t num_desc;
566 	uint32_t num_mblk_frag;
567 	dma_type_t dma_type;
568 	dma_type_t data_transfer_type;
569 	ddi_dma_handle_t tx_dma_handle;
570 	dma_buffer_t tx_buf[1];
571 	sw_desc_t desc[MAX_TX_DESC_PER_PACKET];
572 	int64_t tickstamp;
573 } tx_sw_packet_t, *p_tx_sw_packet_t;
574 
575 /*
576  * This structure is similar to the rx_sw_packet structure used
577  * for Ndis. This structure stores information about the 2k
578  * aligned receive buffer into which the FX1000 DMA's frames.
579  * This structure is maintained as a linked list of many
580  * receiver buffer pointers.
581  */
582 typedef struct _rx_sw_packet {
583 	/* Link to the next rx_sw_packet_t in the list */
584 	SINGLE_LIST_LINK Link;
585 	struct _rx_sw_packet *next;
586 	uint32_t ref_cnt;
587 	mblk_t *mp;
588 	caddr_t rx_data;
589 	dma_type_t dma_type;
590 	frtn_t free_rtn;
591 	dma_buffer_t rx_buf[1];
592 } rx_sw_packet_t, *p_rx_sw_packet_t;
593 
594 typedef struct _mblk_list {
595 	mblk_t *head;
596 	mblk_t *tail;
597 } mblk_list_t, *p_mblk_list_t;
598 
599 typedef struct _context_data {
600 	uint32_t ether_header_size;
601 	uint32_t cksum_flags;
602 	uint32_t cksum_start;
603 	uint32_t cksum_stuff;
604 	uint16_t mss;
605 	uint8_t hdr_len;
606 	uint32_t pay_len;
607 	boolean_t lso_flag;
608 } context_data_t;
609 
610 typedef union _e1000g_ether_addr {
611 	struct {
612 		uint32_t high;
613 		uint32_t low;
614 	} reg;
615 	struct {
616 		uint8_t set;
617 		uint8_t redundant;
618 		uint8_t addr[ETHERADDRL];
619 	} mac;
620 } e1000g_ether_addr_t;
621 
622 typedef struct _e1000g_stat {
623 	kstat_named_t reset_count;	/* Reset Count */
624 
625 	kstat_named_t rx_error;		/* Rx Error in Packet */
626 	kstat_named_t rx_allocb_fail;	/* Rx Allocb Failure */
627 	kstat_named_t rx_size_error;	/* Rx Size Error */
628 
629 	kstat_named_t tx_no_desc;	/* Tx No Desc */
630 	kstat_named_t tx_no_swpkt;	/* Tx No Pkt Buffer */
631 	kstat_named_t tx_send_fail;	/* Tx SendPkt Failure */
632 	kstat_named_t tx_over_size;	/* Tx Pkt Too Long */
633 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
634 
635 #ifdef E1000G_DEBUG
636 	kstat_named_t rx_none;		/* Rx No Incoming Data */
637 	kstat_named_t rx_multi_desc;	/* Rx Multi Spanned Pkt */
638 	kstat_named_t rx_no_freepkt;	/* Rx No Free Pkt */
639 	kstat_named_t rx_avail_freepkt;	/* Rx Freelist Avail Buffers */
640 
641 	kstat_named_t tx_under_size;	/* Tx Packet Under Size */
642 	kstat_named_t tx_empty_frags;	/* Tx Empty Frags */
643 	kstat_named_t tx_exceed_frags;	/* Tx Exceed Max Frags */
644 	kstat_named_t tx_recycle;	/* Tx Recycle */
645 	kstat_named_t tx_recycle_intr;	/* Tx Recycle in Intr */
646 	kstat_named_t tx_recycle_retry;	/* Tx Recycle Retry */
647 	kstat_named_t tx_recycle_none;	/* Tx No Desc Recycled */
648 	kstat_named_t tx_copy;		/* Tx Send Copy */
649 	kstat_named_t tx_bind;		/* Tx Send Bind */
650 	kstat_named_t tx_multi_copy;	/* Tx Copy Multi Fragments */
651 	kstat_named_t tx_multi_cookie;	/* Tx Pkt Span Multi Cookies */
652 	kstat_named_t tx_lack_desc;	/* Tx Lack of Desc */
653 #endif
654 
655 	kstat_named_t Symerrs;	/* Symbol Error Count */
656 	kstat_named_t Mpc;	/* Missed Packet Count */
657 	kstat_named_t Rlec;	/* Receive Length Error Count */
658 	kstat_named_t Xonrxc;	/* XON Received Count */
659 	kstat_named_t Xontxc;	/* XON Xmitted Count */
660 	kstat_named_t Xoffrxc;	/* XOFF Received Count */
661 	kstat_named_t Xofftxc;	/* Xoff Xmitted Count */
662 	kstat_named_t Fcruc;	/* Unknown Flow Conrol Packet Rcvd Count */
663 #ifdef E1000G_DEBUG
664 	kstat_named_t Prc64;	/* Packets Received - 64b */
665 	kstat_named_t Prc127;	/* Packets Received - 65-127b */
666 	kstat_named_t Prc255;	/* Packets Received - 127-255b */
667 	kstat_named_t Prc511;	/* Packets Received - 256-511b */
668 	kstat_named_t Prc1023;	/* Packets Received - 511-1023b */
669 	kstat_named_t Prc1522;	/* Packets Received - 1024-1522b */
670 #endif
671 	kstat_named_t Gprc;	/* Good Packets Received Count */
672 	kstat_named_t Gptc;	/* Good Packets Xmitted Count */
673 	kstat_named_t Gorl;	/* Good Octets Recvd Lo Count */
674 	kstat_named_t Gorh;	/* Good Octets Recvd Hi Count */
675 	kstat_named_t Gotl;	/* Good Octets Xmitd Lo Count */
676 	kstat_named_t Goth;	/* Good Octets Xmitd Hi Count */
677 	kstat_named_t Rfc;	/* Receive Frag Count */
678 #ifdef E1000G_DEBUG
679 	kstat_named_t Ptc64;	/* Packets Xmitted (64b) */
680 	kstat_named_t Ptc127;	/* Packets Xmitted (64-127b) */
681 	kstat_named_t Ptc255;	/* Packets Xmitted (128-255b) */
682 	kstat_named_t Ptc511;	/* Packets Xmitted (255-511b) */
683 	kstat_named_t Ptc1023;	/* Packets Xmitted (512-1023b) */
684 	kstat_named_t Ptc1522;	/* Packets Xmitted (1024-1522b */
685 #endif
686 	kstat_named_t Tncrs;	/* Transmit with no CRS */
687 	kstat_named_t Tsctc;	/* TCP seg contexts xmit count */
688 	kstat_named_t Tsctfc;	/* TCP seg contexts xmit fail count */
689 } e1000g_stat_t, *p_e1000g_stat_t;
690 
691 typedef struct _e1000g_tx_ring {
692 	kmutex_t tx_lock;
693 	kmutex_t freelist_lock;
694 	kmutex_t usedlist_lock;
695 	/*
696 	 * Descriptor queue definitions
697 	 */
698 	ddi_dma_handle_t tbd_dma_handle;
699 	ddi_acc_handle_t tbd_acc_handle;
700 	struct e1000_tx_desc *tbd_area;
701 	uint64_t tbd_dma_addr;
702 	struct e1000_tx_desc *tbd_first;
703 	struct e1000_tx_desc *tbd_last;
704 	struct e1000_tx_desc *tbd_oldest;
705 	struct e1000_tx_desc *tbd_next;
706 	uint32_t tbd_avail;
707 	/*
708 	 * Software packet structures definitions
709 	 */
710 	p_tx_sw_packet_t packet_area;
711 	LIST_DESCRIBER used_list;
712 	LIST_DESCRIBER free_list;
713 	/*
714 	 * TCP/UDP Context Data Information
715 	 */
716 	context_data_t pre_context;
717 	/*
718 	 * Timer definitions for 82547
719 	 */
720 	timeout_id_t timer_id_82547;
721 	boolean_t timer_enable_82547;
722 	/*
723 	 * reschedule when tx resource is available
724 	 */
725 	boolean_t resched_needed;
726 	clock_t resched_timestamp;
727 	mblk_list_t mblks;
728 	/*
729 	 * Statistics
730 	 */
731 	uint32_t stat_no_swpkt;
732 	uint32_t stat_no_desc;
733 	uint32_t stat_send_fail;
734 	uint32_t stat_reschedule;
735 	uint32_t stat_timer_reschedule;
736 	uint32_t stat_over_size;
737 #ifdef E1000G_DEBUG
738 	uint32_t stat_under_size;
739 	uint32_t stat_exceed_frags;
740 	uint32_t stat_empty_frags;
741 	uint32_t stat_recycle;
742 	uint32_t stat_recycle_intr;
743 	uint32_t stat_recycle_retry;
744 	uint32_t stat_recycle_none;
745 	uint32_t stat_copy;
746 	uint32_t stat_bind;
747 	uint32_t stat_multi_copy;
748 	uint32_t stat_multi_cookie;
749 	uint32_t stat_lack_desc;
750 	uint32_t stat_lso_header_fail;
751 #endif
752 	/*
753 	 * Pointer to the adapter
754 	 */
755 	struct e1000g *adapter;
756 } e1000g_tx_ring_t, *pe1000g_tx_ring_t;
757 
758 typedef struct _e1000g_rx_data {
759 	kmutex_t freelist_lock;
760 	kmutex_t recycle_lock;
761 	/*
762 	 * Descriptor queue definitions
763 	 */
764 	ddi_dma_handle_t rbd_dma_handle;
765 	ddi_acc_handle_t rbd_acc_handle;
766 	struct e1000_rx_desc *rbd_area;
767 	uint64_t rbd_dma_addr;
768 	struct e1000_rx_desc *rbd_first;
769 	struct e1000_rx_desc *rbd_last;
770 	struct e1000_rx_desc *rbd_next;
771 	/*
772 	 * Software packet structures definitions
773 	 */
774 	p_rx_sw_packet_t packet_area;
775 	LIST_DESCRIBER recv_list;
776 	LIST_DESCRIBER free_list;
777 	LIST_DESCRIBER recycle_list;
778 	uint32_t flag;
779 
780 	uint32_t pending_count;
781 	uint32_t avail_freepkt;
782 	uint32_t recycle_freepkt;
783 	uint32_t rx_mblk_len;
784 	mblk_t *rx_mblk;
785 	mblk_t *rx_mblk_tail;
786 
787 	private_devi_list_t *priv_devi_node;
788 	struct _e1000g_rx_ring *rx_ring;
789 } e1000g_rx_data_t;
790 
791 typedef struct _e1000g_rx_ring {
792 	e1000g_rx_data_t *rx_data;
793 
794 	kmutex_t rx_lock;
795 
796 	mac_ring_handle_t mrh;
797 	mac_ring_handle_t mrh_init;
798 	uint64_t ring_gen_num;
799 	boolean_t poll_flag;
800 
801 	/*
802 	 * Statistics
803 	 */
804 	uint32_t stat_error;
805 	uint32_t stat_allocb_fail;
806 	uint32_t stat_exceed_pkt;
807 	uint32_t stat_size_error;
808 	uint32_t stat_crc_only_pkt;
809 #ifdef E1000G_DEBUG
810 	uint32_t stat_none;
811 	uint32_t stat_multi_desc;
812 	uint32_t stat_no_freepkt;
813 #endif
814 	/*
815 	 * Pointer to the adapter
816 	 */
817 	struct e1000g *adapter;
818 } e1000g_rx_ring_t, *pe1000g_rx_ring_t;
819 
820 typedef struct e1000g {
821 	int instance;
822 	dev_info_t *dip;
823 	dev_info_t *priv_dip;
824 	private_devi_list_t *priv_devi_node;
825 	mac_handle_t mh;
826 	mac_resource_handle_t mrh;
827 	struct e1000_hw shared;
828 	struct e1000g_osdep osdep;
829 
830 	uint32_t e1000g_state;
831 	boolean_t e1000g_promisc;
832 	boolean_t strip_crc;
833 	boolean_t rx_buffer_setup;
834 	boolean_t esb2_workaround;
835 	link_state_t link_state;
836 	uint64_t link_speed;
837 	uint32_t link_duplex;
838 	uint32_t master_latency_timer;
839 	uint32_t smartspeed;	/* smartspeed w/a counter */
840 	uint32_t init_count;
841 	uint32_t reset_count;
842 	boolean_t reset_flag;
843 	uint32_t stall_threshold;
844 	boolean_t stall_flag;
845 	uint32_t attach_progress;	/* attach tracking */
846 	uint32_t loopback_mode;
847 	uint32_t pending_rx_count;
848 
849 	uint32_t align_errors;
850 	uint32_t brdcstrcv;
851 	uint32_t brdcstxmt;
852 	uint32_t carrier_errors;
853 	uint32_t collisions;
854 	uint32_t defer_xmts;
855 	uint32_t ex_collisions;
856 	uint32_t fcs_errors;
857 	uint32_t first_collisions;
858 	uint32_t ipackets;
859 	uint32_t jabber_errors;
860 	uint32_t macrcv_errors;
861 	uint32_t macxmt_errors;
862 	uint32_t multi_collisions;
863 	uint32_t multircv;
864 	uint32_t multixmt;
865 	uint32_t norcvbuf;
866 	uint32_t oerrors;
867 	uint32_t opackets;
868 	uint32_t sqe_errors;
869 	uint32_t toolong_errors;
870 	uint32_t tooshort_errors;
871 	uint32_t tx_late_collisions;
872 	uint64_t obytes;
873 	uint64_t rbytes;
874 
875 	uint32_t tx_desc_num;
876 	uint32_t tx_freelist_num;
877 	uint32_t rx_desc_num;
878 	uint32_t rx_freelist_num;
879 	uint32_t rx_freelist_limit;
880 	uint32_t tx_buffer_size;
881 	uint32_t rx_buffer_size;
882 
883 	uint32_t tx_link_down_timeout;
884 	uint32_t tx_bcopy_thresh;
885 	uint32_t rx_limit_onintr;
886 	uint32_t rx_bcopy_thresh;
887 	uint32_t rx_buf_align;
888 	uint32_t desc_align;
889 
890 	boolean_t intr_adaptive;
891 	boolean_t tx_intr_enable;
892 	uint32_t tx_intr_delay;
893 	uint32_t tx_intr_abs_delay;
894 	uint32_t rx_intr_delay;
895 	uint32_t rx_intr_abs_delay;
896 	uint32_t intr_throttling_rate;
897 
898 	uint32_t	tx_desc_num_flag:1,
899 			rx_desc_num_flag:1,
900 			tx_buf_num_flag:1,
901 			rx_buf_num_flag:1,
902 			pad_to_32:28;
903 
904 	uint32_t default_mtu;
905 	uint32_t max_mtu;
906 	uint32_t max_frame_size;
907 	uint32_t min_frame_size;
908 
909 	boolean_t watchdog_timer_enabled;
910 	boolean_t watchdog_timer_started;
911 	timeout_id_t watchdog_tid;
912 	boolean_t link_complete;
913 	timeout_id_t link_tid;
914 
915 	e1000g_rx_ring_t rx_ring[1];
916 	e1000g_tx_ring_t tx_ring[1];
917 	mac_group_handle_t rx_group;
918 
919 	/*
920 	 * Rx and Tx packet count for interrupt adaptive setting
921 	 */
922 	uint32_t rx_pkt_cnt;
923 	uint32_t tx_pkt_cnt;
924 
925 	/*
926 	 * The watchdog_lock must be held when updateing the
927 	 * timeout fields in struct e1000g, that is,
928 	 * watchdog_tid, watchdog_timer_started.
929 	 */
930 	kmutex_t watchdog_lock;
931 	/*
932 	 * The link_lock protects the link_complete and link_tid
933 	 * fields in struct e1000g.
934 	 */
935 	kmutex_t link_lock;
936 	/*
937 	 * The chip_lock assures that the Rx/Tx process must be
938 	 * stopped while other functions change the hardware
939 	 * configuration of e1000g card, such as e1000g_reset(),
940 	 * e1000g_reset_hw() etc are executed.
941 	 */
942 	krwlock_t chip_lock;
943 
944 	boolean_t unicst_init;
945 	uint32_t unicst_avail;
946 	uint32_t unicst_total;
947 	e1000g_ether_addr_t unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
948 
949 	uint32_t mcast_count;
950 	uint32_t mcast_max_num;
951 	uint32_t mcast_alloc_count;
952 	struct ether_addr *mcast_table;
953 
954 	ulong_t sys_page_sz;
955 #ifdef __sparc
956 	uint_t dvma_page_num;
957 #endif
958 
959 	boolean_t msi_enable;
960 	boolean_t tx_hcksum_enable;
961 	boolean_t lso_enable;
962 	boolean_t lso_premature_issue;
963 	boolean_t mem_workaround_82546;
964 	int intr_type;
965 	int intr_cnt;
966 	int intr_cap;
967 	size_t intr_size;
968 	uint_t intr_pri;
969 	ddi_intr_handle_t *htable;
970 
971 	int tx_softint_pri;
972 	ddi_softint_handle_t tx_softint_handle;
973 
974 	kstat_t *e1000g_ksp;
975 
976 	boolean_t poll_mode;
977 
978 	uint16_t phy_ctrl;		/* contents of PHY_CTRL */
979 	uint16_t phy_status;		/* contents of PHY_STATUS */
980 	uint16_t phy_an_adv;		/* contents of PHY_AUTONEG_ADV */
981 	uint16_t phy_an_exp;		/* contents of PHY_AUTONEG_EXP */
982 	uint16_t phy_ext_status;	/* contents of PHY_EXT_STATUS */
983 	uint16_t phy_1000t_ctrl;	/* contents of PHY_1000T_CTRL */
984 	uint16_t phy_1000t_status;	/* contents of PHY_1000T_STATUS */
985 	uint16_t phy_lp_able;		/* contents of PHY_LP_ABILITY */
986 
987 	/*
988 	 * LED Controls
989 	 */
990 	kmutex_t e1000g_led_lock;
991 	boolean_t e1000g_led_setup;
992 	boolean_t e1000g_emul_blink;
993 	boolean_t e1000g_emul_state;
994 	ddi_periodic_t e1000g_blink;
995 
996 	/*
997 	 * FMA capabilities
998 	 */
999 	int fm_capabilities;
1000 
1001 	uint32_t	param_en_1000fdx:1,
1002 			param_en_1000hdx:1,
1003 			param_en_100fdx:1,
1004 			param_en_100hdx:1,
1005 			param_en_10fdx:1,
1006 			param_en_10hdx:1,
1007 			param_autoneg_cap:1,
1008 			param_pause_cap:1,
1009 			param_asym_pause_cap:1,
1010 			param_1000fdx_cap:1,
1011 			param_1000hdx_cap:1,
1012 			param_100t4_cap:1,
1013 			param_100fdx_cap:1,
1014 			param_100hdx_cap:1,
1015 			param_10fdx_cap:1,
1016 			param_10hdx_cap:1,
1017 			param_adv_autoneg:1,
1018 			param_adv_pause:1,
1019 			param_adv_asym_pause:1,
1020 			param_adv_1000fdx:1,
1021 			param_adv_1000hdx:1,
1022 			param_adv_100t4:1,
1023 			param_adv_100fdx:1,
1024 			param_adv_100hdx:1,
1025 			param_adv_10fdx:1,
1026 			param_adv_10hdx:1,
1027 			param_lp_autoneg:1,
1028 			param_lp_pause:1,
1029 			param_lp_asym_pause:1,
1030 			param_lp_1000fdx:1,
1031 			param_lp_1000hdx:1,
1032 			param_lp_100t4:1;
1033 
1034 	uint32_t	param_lp_100fdx:1,
1035 			param_lp_100hdx:1,
1036 			param_lp_10fdx:1,
1037 			param_lp_10hdx:1,
1038 			param_pad_to_32:28;
1039 
1040 } e1000g_t;
1041 
1042 
1043 /*
1044  * Function prototypes
1045  */
1046 void e1000g_free_priv_devi_node(private_devi_list_t *devi_node);
1047 void e1000g_free_rx_pending_buffers(e1000g_rx_data_t *rx_data);
1048 void e1000g_free_rx_data(e1000g_rx_data_t *rx_data);
1049 int e1000g_alloc_dma_resources(struct e1000g *Adapter);
1050 void e1000g_release_dma_resources(struct e1000g *Adapter);
1051 void e1000g_free_rx_sw_packet(p_rx_sw_packet_t packet, boolean_t full_release);
1052 void e1000g_tx_setup(struct e1000g *Adapter);
1053 void e1000g_rx_setup(struct e1000g *Adapter);
1054 int e1000g_increase_rx_packets(e1000g_rx_data_t *rx_data);
1055 
1056 int e1000g_recycle(e1000g_tx_ring_t *tx_ring);
1057 void e1000g_free_tx_swpkt(p_tx_sw_packet_t packet);
1058 void e1000g_tx_freemsg(e1000g_tx_ring_t *tx_ring);
1059 uint_t e1000g_tx_softint_worker(caddr_t arg1, caddr_t arg2);
1060 mblk_t *e1000g_m_tx(void *arg, mblk_t *mp);
1061 mblk_t *e1000g_receive(e1000g_rx_ring_t *rx_ring, mblk_t **tail, uint_t sz);
1062 void e1000g_rxfree_func(p_rx_sw_packet_t packet);
1063 
1064 int e1000g_m_stat(void *arg, uint_t stat, uint64_t *val);
1065 int e1000g_init_stats(struct e1000g *Adapter);
1066 int e1000g_rx_ring_stat(mac_ring_driver_t, uint_t, uint64_t *);
1067 void e1000_tbi_adjust_stats(struct e1000g *Adapter,
1068     uint32_t frame_len, uint8_t *mac_addr);
1069 
1070 void e1000g_clear_interrupt(struct e1000g *Adapter);
1071 void e1000g_mask_interrupt(struct e1000g *Adapter);
1072 void e1000g_clear_all_interrupts(struct e1000g *Adapter);
1073 void e1000g_clear_tx_interrupt(struct e1000g *Adapter);
1074 void e1000g_mask_tx_interrupt(struct e1000g *Adapter);
1075 void phy_spd_state(struct e1000_hw *hw, boolean_t enable);
1076 void e1000_destroy_hw_mutex(struct e1000_hw *hw);
1077 void e1000_enable_pciex_master(struct e1000_hw *hw);
1078 int e1000g_check_acc_handle(ddi_acc_handle_t handle);
1079 int e1000g_check_dma_handle(ddi_dma_handle_t handle);
1080 void e1000g_fm_ereport(struct e1000g *Adapter, char *detail);
1081 void e1000g_set_fma_flags(int dma_flag);
1082 int e1000g_reset_link(struct e1000g *Adapter);
1083 
1084 /*
1085  * Functions for working around various problems, these used to be from the
1086  * common code.
1087  */
1088 s32 e1000_fifo_workaround_82547(struct e1000_hw *hw, u16 length);
1089 void e1000_update_tx_fifo_head_82547(struct e1000_hw *hw, u32 length);
1090 void e1000_set_ttl_workaround_state_82541(struct e1000_hw *hw, bool state);
1091 bool e1000_ttl_workaround_enabled_82541(struct e1000_hw *hw);
1092 s32 e1000_igp_ttl_workaround_82547(struct e1000_hw *hw);
1093 
1094 /*
1095  * I219 specific workarounds
1096  */
1097 #define	PCICFG_DESC_RING_STATUS	0xe4
1098 #define	FLUSH_DESC_REQUIRED	0x100
1099 extern void e1000g_flush_rx_ring(struct e1000g *);
1100 extern void e1000g_flush_tx_ring(struct e1000g *);
1101 
1102 /*
1103  * Global variables
1104  */
1105 extern boolean_t e1000g_force_detach;
1106 extern uint32_t e1000g_mblks_pending;
1107 extern kmutex_t e1000g_rx_detach_lock;
1108 extern private_devi_list_t *e1000g_private_devi_list;
1109 extern int e1000g_poll_mode;
1110 
1111 #ifdef __cplusplus
1112 }
1113 #endif
1114 
1115 #endif	/* _E1000G_SW_H */
1116