xref: /illumos-gate/usr/src/uts/common/io/igb/igb_sw.h (revision 8459c777fc1aaabb2f7dad05de1313aa169417cd)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 
22 /*
23  * Copyright(c) 2007-2010 Intel Corporation. All rights reserved.
24  */
25 
26 /*
27  * Copyright (c) 2008, 2010, Oracle and/or its affiliates. All rights reserved.
28  * Copyright 2014 Pluribus Networks Inc.
29  * Copyright (c) 2017, Joyent, Inc.
30  * Copyright 2020 Oxide Computer Company
31  */
32 
33 #ifndef	_IGB_SW_H
34 #define	_IGB_SW_H
35 
36 #ifdef __cplusplus
37 extern "C" {
38 #endif
39 
40 #include <sys/types.h>
41 #include <sys/conf.h>
42 #include <sys/debug.h>
43 #include <sys/stropts.h>
44 #include <sys/stream.h>
45 #include <sys/strsun.h>
46 #include <sys/strlog.h>
47 #include <sys/kmem.h>
48 #include <sys/stat.h>
49 #include <sys/kstat.h>
50 #include <sys/modctl.h>
51 #include <sys/errno.h>
52 #include <sys/dlpi.h>
53 #include <sys/mac_provider.h>
54 #include <sys/mac_ether.h>
55 #include <sys/vlan.h>
56 #include <sys/ddi.h>
57 #include <sys/sunddi.h>
58 #include <sys/pci.h>
59 #include <sys/pcie.h>
60 #include <sys/sdt.h>
61 #include <sys/ethernet.h>
62 #include <sys/pattr.h>
63 #include <sys/strsubr.h>
64 #include <sys/netlb.h>
65 #include <sys/random.h>
66 #include <inet/common.h>
67 #include <inet/tcp.h>
68 #include <inet/ip.h>
69 #include <inet/mi.h>
70 #include <inet/nd.h>
71 #include <sys/ddifm.h>
72 #include <sys/fm/protocol.h>
73 #include <sys/fm/util.h>
74 #include <sys/fm/io/ddi.h>
75 #include <sys/ddi_ufm.h>
76 #include "e1000_api.h"
77 #include "e1000_82575.h"
78 
79 
80 #define	MODULE_NAME			"igb"	/* module name */
81 
82 #define	IGB_SUCCESS			DDI_SUCCESS
83 #define	IGB_FAILURE			DDI_FAILURE
84 
85 #define	IGB_UNKNOWN			0x00
86 #define	IGB_INITIALIZED			0x01
87 #define	IGB_STARTED			0x02
88 #define	IGB_SUSPENDED			0x04
89 #define	IGB_STALL			0x08
90 #define	IGB_ERROR			0x80
91 
92 #define	IGB_RX_STOPPED			0x1
93 
94 #define	IGB_INTR_NONE			0
95 #define	IGB_INTR_MSIX			1
96 #define	IGB_INTR_MSI			2
97 #define	IGB_INTR_LEGACY			3
98 
99 #define	IGB_ADAPTER_REGSET		1	/* mapping adapter registers */
100 #define	IGB_ADAPTER_MSIXTAB		4	/* mapping msi-x table */
101 
102 #define	IGB_NO_POLL			-1
103 #define	IGB_NO_FREE_SLOT		-1
104 
105 #define	MAX_NUM_UNICAST_ADDRESSES	E1000_RAR_ENTRIES
106 #define	MCAST_ALLOC_COUNT		256
107 #define	MAX_COOKIE			18
108 #define	MIN_NUM_TX_DESC			2
109 
110 /*
111  * Number of settings for interrupt throttle rate (ITR).  There is one of
112  * these per msi-x vector and it needs to be the maximum of all silicon
113  * types supported by this driver.
114  */
115 #define	MAX_NUM_EITR			25
116 
117 /*
118  * Maximum values for user configurable parameters
119  */
120 #define	MAX_TX_RING_SIZE		4096
121 #define	MAX_RX_RING_SIZE		4096
122 #define	MAX_RX_GROUP_NUM		4
123 
124 #define	MAX_MTU				9000
125 #define	MAX_RX_LIMIT_PER_INTR		4096
126 
127 #define	MAX_RX_COPY_THRESHOLD		9216
128 #define	MAX_TX_COPY_THRESHOLD		9216
129 #define	MAX_TX_RECYCLE_THRESHOLD	DEFAULT_TX_RING_SIZE
130 #define	MAX_TX_OVERLOAD_THRESHOLD	DEFAULT_TX_RING_SIZE
131 #define	MAX_TX_RESCHED_THRESHOLD	DEFAULT_TX_RING_SIZE
132 #define	MAX_MCAST_NUM			8192
133 
134 /*
135  * Minimum values for user configurable parameters
136  */
137 #define	MIN_TX_RING_SIZE		64
138 #define	MIN_RX_RING_SIZE		64
139 #define	MIN_RX_GROUP_NUM		1
140 
141 #define	MIN_MTU				ETHERMIN
142 #define	MIN_RX_LIMIT_PER_INTR		16
143 
144 #define	MIN_RX_COPY_THRESHOLD		0
145 #define	MIN_TX_COPY_THRESHOLD		0
146 #define	MIN_TX_RECYCLE_THRESHOLD	MIN_NUM_TX_DESC
147 #define	MIN_TX_OVERLOAD_THRESHOLD	MIN_NUM_TX_DESC
148 #define	MIN_TX_RESCHED_THRESHOLD	MIN_NUM_TX_DESC
149 #define	MIN_MCAST_NUM			8
150 
151 /*
152  * Default values for user configurable parameters
153  */
154 #define	DEFAULT_TX_RING_SIZE		512
155 #define	DEFAULT_RX_RING_SIZE		512
156 #define	DEFAULT_RX_GROUP_NUM		1
157 
158 #define	DEFAULT_MTU			ETHERMTU
159 #define	DEFAULT_RX_LIMIT_PER_INTR	256
160 
161 #define	DEFAULT_RX_COPY_THRESHOLD	128
162 #define	DEFAULT_TX_COPY_THRESHOLD	512
163 #define	DEFAULT_TX_RECYCLE_THRESHOLD	(MAX_COOKIE + 1)
164 #define	DEFAULT_TX_OVERLOAD_THRESHOLD	MIN_NUM_TX_DESC
165 #define	DEFAULT_TX_RESCHED_THRESHOLD	128
166 #define	DEFAULT_TX_RESCHED_THRESHOLD_LOW	32
167 #define	DEFAULT_MCAST_NUM		4096
168 
169 #define	IGB_LSO_MAXLEN			65535
170 
171 #define	TX_DRAIN_TIME			200
172 #define	RX_DRAIN_TIME			200
173 
174 #define	STALL_WATCHDOG_TIMEOUT		8	/* 8 seconds */
175 
176 /*
177  * Defined for IP header alignment.
178  */
179 #define	IPHDR_ALIGN_ROOM		2
180 
181 /*
182  * Bit flags for attach_progress
183  */
184 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
185 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
186 #define	ATTACH_PROGRESS_PROPS		0x0004	/* Properties initialized */
187 #define	ATTACH_PROGRESS_ALLOC_INTR	0x0008	/* Interrupts allocated */
188 #define	ATTACH_PROGRESS_ALLOC_RINGS	0x0010	/* Rings allocated */
189 #define	ATTACH_PROGRESS_ADD_INTR	0x0020	/* Intr handlers added */
190 #define	ATTACH_PROGRESS_LOCKS		0x0040	/* Locks initialized */
191 #define	ATTACH_PROGRESS_INIT_ADAPTER	0x0080	/* Adapter initialized */
192 #define	ATTACH_PROGRESS_STATS		0x0200	/* Kstats created */
193 #define	ATTACH_PROGRESS_MAC		0x0800	/* MAC registered */
194 #define	ATTACH_PROGRESS_ENABLE_INTR	0x1000	/* DDI interrupts enabled */
195 #define	ATTACH_PROGRESS_FMINIT		0x2000	/* FMA initialized */
196 #define	ATTACH_PROGRESS_UFM		0x4000	/* UFM enabled */
197 
198 #define	PROP_ADV_AUTONEG_CAP		"adv_autoneg_cap"
199 #define	PROP_ADV_1000FDX_CAP		"adv_1000fdx_cap"
200 #define	PROP_ADV_1000HDX_CAP		"adv_1000hdx_cap"
201 #define	PROP_ADV_100FDX_CAP		"adv_100fdx_cap"
202 #define	PROP_ADV_100HDX_CAP		"adv_100hdx_cap"
203 #define	PROP_ADV_10FDX_CAP		"adv_10fdx_cap"
204 #define	PROP_ADV_10HDX_CAP		"adv_10hdx_cap"
205 #define	PROP_DEFAULT_MTU		"default_mtu"
206 #define	PROP_FLOW_CONTROL		"flow_control"
207 #define	PROP_TX_RING_SIZE		"tx_ring_size"
208 #define	PROP_RX_RING_SIZE		"rx_ring_size"
209 #define	PROP_MR_ENABLE			"mr_enable"
210 #define	PROP_RX_GROUP_NUM		"rx_group_number"
211 
212 #define	PROP_INTR_FORCE			"intr_force"
213 #define	PROP_TX_HCKSUM_ENABLE		"tx_hcksum_enable"
214 #define	PROP_RX_HCKSUM_ENABLE		"rx_hcksum_enable"
215 #define	PROP_LSO_ENABLE			"lso_enable"
216 #define	PROP_TX_HEAD_WB_ENABLE		"tx_head_wb_enable"
217 #define	PROP_TX_COPY_THRESHOLD		"tx_copy_threshold"
218 #define	PROP_TX_RECYCLE_THRESHOLD	"tx_recycle_threshold"
219 #define	PROP_TX_OVERLOAD_THRESHOLD	"tx_overload_threshold"
220 #define	PROP_TX_RESCHED_THRESHOLD	"tx_resched_threshold"
221 #define	PROP_RX_COPY_THRESHOLD		"rx_copy_threshold"
222 #define	PROP_RX_LIMIT_PER_INTR		"rx_limit_per_intr"
223 #define	PROP_INTR_THROTTLING		"intr_throttling"
224 #define	PROP_MCAST_MAX_NUM		"mcast_max_num"
225 
226 #define	IGB_LB_NONE			0
227 #define	IGB_LB_EXTERNAL			1
228 #define	IGB_LB_INTERNAL_PHY		3
229 #define	IGB_LB_INTERNAL_SERDES		4
230 
231 enum ioc_reply {
232 	IOC_INVAL = -1,	/* bad, NAK with EINVAL */
233 	IOC_DONE,	/* OK, reply sent */
234 	IOC_ACK,	/* OK, just send ACK */
235 	IOC_REPLY	/* OK, just send reply */
236 };
237 
238 /*
239  * For s/w context extraction from a tx frame
240  */
241 #define	TX_CXT_SUCCESS		0
242 #define	TX_CXT_E_LSO_CSUM	(-1)
243 #define	TX_CXT_E_ETHER_TYPE	(-2)
244 
245 #define	DMA_SYNC(area, flag)	((void) ddi_dma_sync((area)->dma_handle, \
246 				    0, 0, (flag)))
247 
248 /*
249  * Defined for ring index operations
250  * ASSERT(index < limit)
251  * ASSERT(step < limit)
252  * ASSERT(index1 < limit)
253  * ASSERT(index2 < limit)
254  */
255 #define	NEXT_INDEX(index, step, limit)	(((index) + (step)) < (limit) ? \
256 	(index) + (step) : (index) + (step) - (limit))
257 #define	PREV_INDEX(index, step, limit)	((index) >= (step) ? \
258 	(index) - (step) : (index) + (limit) - (step))
259 #define	OFFSET(index1, index2, limit)	((index1) <= (index2) ? \
260 	(index2) - (index1) : (index2) + (limit) - (index1))
261 
262 #define	LINK_LIST_INIT(_LH)	\
263 	(_LH)->head = (_LH)->tail = NULL
264 
265 #define	LIST_GET_HEAD(_LH)	((single_link_t *)((_LH)->head))
266 
267 #define	LIST_POP_HEAD(_LH)	\
268 	(single_link_t *)(_LH)->head; \
269 	{ \
270 		if ((_LH)->head != NULL) { \
271 			(_LH)->head = (_LH)->head->link; \
272 			if ((_LH)->head == NULL) \
273 				(_LH)->tail = NULL; \
274 		} \
275 	}
276 
277 #define	LIST_GET_TAIL(_LH)	((single_link_t *)((_LH)->tail))
278 
279 #define	LIST_PUSH_TAIL(_LH, _E)	\
280 	if ((_LH)->tail != NULL) { \
281 		(_LH)->tail->link = (single_link_t *)(_E); \
282 		(_LH)->tail = (single_link_t *)(_E); \
283 	} else { \
284 		(_LH)->head = (_LH)->tail = (single_link_t *)(_E); \
285 	} \
286 	(_E)->link = NULL;
287 
288 #define	LIST_GET_NEXT(_LH, _E)		\
289 	(((_LH)->tail == (single_link_t *)(_E)) ? \
290 	NULL : ((single_link_t *)(_E))->link)
291 
292 
293 typedef struct single_link {
294 	struct single_link	*link;
295 } single_link_t;
296 
297 typedef struct link_list {
298 	single_link_t		*head;
299 	single_link_t		*tail;
300 } link_list_t;
301 
302 /*
303  * Property lookups
304  */
305 #define	IGB_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
306 				    DDI_PROP_DONTPASS, (n))
307 #define	IGB_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
308 				    DDI_PROP_DONTPASS, (n), -1)
309 
310 
311 /* capability/feature flags */
312 #define	IGB_FLAG_HAS_DCA	(1 << 0) /* has Direct Cache Access */
313 #define	IGB_FLAG_VMDQ_POOL	(1 << 1) /* has vmdq capability */
314 #define	IGB_FLAG_NEED_CTX_IDX	(1 << 2) /* context descriptor needs index */
315 
316 /* function pointer for nic-specific functions */
317 typedef void (*igb_nic_func_t)(struct igb *);
318 
319 /* adapter-specific info for each supported device type */
320 typedef struct adapter_info {
321 	/* limits */
322 	uint32_t	max_rx_que_num;	/* maximum number of rx queues */
323 	uint32_t	min_rx_que_num;	/* minimum number of rx queues */
324 	uint32_t	def_rx_que_num;	/* default number of rx queues */
325 	uint32_t	max_tx_que_num;	/* maximum number of tx queues */
326 	uint32_t	min_tx_que_num;	/* minimum number of tx queues */
327 	uint32_t	def_tx_que_num;	/* default number of tx queues */
328 	uint32_t	max_intr_throttle; /* maximum interrupt throttle */
329 	uint32_t	min_intr_throttle; /* minimum interrupt throttle */
330 	uint32_t	def_intr_throttle; /* default interrupt throttle */
331 	/* function pointers */
332 	igb_nic_func_t	enable_intr;	/* enable adapter interrupts */
333 	igb_nic_func_t	setup_msix;	/* set up msi-x vectors */
334 	/* capabilities */
335 	uint32_t	flags;		/* capability flags */
336 	uint32_t	rxdctl_mask;	/* mask for RXDCTL register */
337 } adapter_info_t;
338 
339 typedef union igb_ether_addr {
340 	struct {
341 		uint32_t	high;
342 		uint32_t	low;
343 	} reg;
344 	struct {
345 		uint8_t		set;
346 		uint8_t		group_index;
347 		uint8_t		addr[ETHERADDRL];
348 	} mac;
349 } igb_ether_addr_t;
350 
351 typedef enum {
352 	USE_NONE,
353 	USE_COPY,
354 	USE_DMA
355 } tx_type_t;
356 
357 typedef struct tx_context {
358 	uint32_t		hcksum_flags;
359 	uint32_t		ip_hdr_len;
360 	uint32_t		mac_hdr_len;
361 	uint32_t		l3_proto;
362 	uint32_t		l4_proto;
363 	uint32_t		mss;
364 	uint32_t		l4_hdr_len;
365 	boolean_t		lso_flag;
366 } tx_context_t;
367 
368 /* Hold address/length of each DMA segment */
369 typedef struct sw_desc {
370 	uint64_t		address;
371 	size_t			length;
372 } sw_desc_t;
373 
374 /* Handles and addresses of DMA buffer */
375 typedef struct dma_buffer {
376 	caddr_t			address;	/* Virtual address */
377 	uint64_t		dma_address;	/* DMA (Hardware) address */
378 	ddi_acc_handle_t	acc_handle;	/* Data access handle */
379 	ddi_dma_handle_t	dma_handle;	/* DMA handle */
380 	size_t			size;		/* Buffer size */
381 	size_t			len;		/* Data length in the buffer */
382 } dma_buffer_t;
383 
384 /*
385  * Tx Control Block
386  */
387 typedef struct tx_control_block {
388 	single_link_t		link;
389 	uint32_t		last_index;
390 	uint32_t		frag_num;
391 	uint32_t		desc_num;
392 	mblk_t			*mp;
393 	tx_type_t		tx_type;
394 	ddi_dma_handle_t	tx_dma_handle;
395 	dma_buffer_t		tx_buf;
396 	sw_desc_t		desc[MAX_COOKIE];
397 } tx_control_block_t;
398 
399 /*
400  * RX Control Block
401  */
402 typedef struct rx_control_block {
403 	mblk_t			*mp;
404 	uint32_t		ref_cnt;
405 	dma_buffer_t		rx_buf;
406 	frtn_t			free_rtn;
407 	struct igb_rx_data	*rx_data;
408 } rx_control_block_t;
409 
410 /*
411  * Software Data Structure for Tx Ring
412  */
413 typedef struct igb_tx_ring {
414 	uint32_t		index;	/* Ring index */
415 	uint32_t		intr_vector;	/* Interrupt vector index */
416 
417 	/*
418 	 * Mutexes
419 	 */
420 	kmutex_t		tx_lock;
421 	kmutex_t		recycle_lock;
422 	kmutex_t		tcb_head_lock;
423 	kmutex_t		tcb_tail_lock;
424 
425 	/*
426 	 * Tx descriptor ring definitions
427 	 */
428 	dma_buffer_t		tbd_area;
429 	union e1000_adv_tx_desc	*tbd_ring;
430 	uint32_t		tbd_head; /* Index of next tbd to recycle */
431 	uint32_t		tbd_tail; /* Index of next tbd to transmit */
432 	uint32_t		tbd_free; /* Number of free tbd */
433 
434 	/*
435 	 * Tx control block list definitions
436 	 */
437 	tx_control_block_t	*tcb_area;
438 	tx_control_block_t	**work_list;
439 	tx_control_block_t	**free_list;
440 	uint32_t		tcb_head; /* Head index of free list */
441 	uint32_t		tcb_tail; /* Tail index of free list */
442 	uint32_t		tcb_free; /* Number of free tcb in free list */
443 
444 	uint32_t		*tbd_head_wb; /* Head write-back */
445 	uint32_t		(*tx_recycle)(struct igb_tx_ring *);
446 
447 	/*
448 	 * s/w context structure for TCP/UDP checksum offload and LSO.
449 	 */
450 	tx_context_t		tx_context;
451 
452 	/*
453 	 * Tx ring settings and status
454 	 */
455 	uint32_t		ring_size; /* Tx descriptor ring size */
456 	uint32_t		free_list_size;	/* Tx free list size */
457 
458 	boolean_t		reschedule;
459 	uint32_t		recycle_fail;
460 	uint32_t		stall_watchdog;
461 
462 	/*
463 	 * Per-ring statistics
464 	 */
465 	uint64_t		tx_pkts;	/* Packets Transmitted Count */
466 	uint64_t		tx_bytes;	/* Bytes Transmitted Count */
467 
468 #ifdef IGB_DEBUG
469 	/*
470 	 * Debug statistics
471 	 */
472 	uint32_t		stat_overload;
473 	uint32_t		stat_fail_no_tbd;
474 	uint32_t		stat_fail_no_tcb;
475 	uint32_t		stat_fail_dma_bind;
476 	uint32_t		stat_reschedule;
477 	uint32_t		stat_pkt_cnt;
478 #endif
479 
480 	/*
481 	 * Pointer to the igb struct
482 	 */
483 	struct igb		*igb;
484 	mac_ring_handle_t	ring_handle;	/* call back ring handle */
485 } igb_tx_ring_t;
486 
487 /*
488  * Software Receive Ring
489  */
490 typedef struct igb_rx_data {
491 	kmutex_t		recycle_lock;	/* Recycle lock, for rcb_tail */
492 
493 	/*
494 	 * Rx descriptor ring definitions
495 	 */
496 	dma_buffer_t		rbd_area;	/* DMA buffer of rx desc ring */
497 	union e1000_adv_rx_desc	*rbd_ring;	/* Rx desc ring */
498 	uint32_t		rbd_next;	/* Index of next rx desc */
499 
500 	/*
501 	 * Rx control block list definitions
502 	 */
503 	rx_control_block_t	*rcb_area;
504 	rx_control_block_t	**work_list;	/* Work list of rcbs */
505 	rx_control_block_t	**free_list;	/* Free list of rcbs */
506 	uint32_t		rcb_head;	/* Index of next free rcb */
507 	uint32_t		rcb_tail;	/* Index to put recycled rcb */
508 	uint32_t		rcb_free;	/* Number of free rcbs */
509 
510 	/*
511 	 * Rx sw ring settings and status
512 	 */
513 	uint32_t		ring_size;	/* Rx descriptor ring size */
514 	uint32_t		free_list_size;	/* Rx free list size */
515 
516 	uint32_t		rcb_pending;
517 	uint32_t		flag;
518 
519 	struct igb_rx_ring	*rx_ring;	/* Pointer to rx ring */
520 } igb_rx_data_t;
521 
522 /*
523  * Software Data Structure for Rx Ring
524  */
525 typedef struct igb_rx_ring {
526 	uint32_t		index;		/* Ring index */
527 	uint32_t		intr_vector;	/* Interrupt vector index */
528 
529 	igb_rx_data_t		*rx_data;	/* Rx software ring */
530 
531 	kmutex_t		rx_lock;	/* Rx access lock */
532 
533 	/*
534 	 * Per-ring statistics
535 	 */
536 	uint64_t		rx_pkts;	/* Packets Received Count */
537 	uint64_t		rx_bytes;	/* Bytes Received Count */
538 
539 #ifdef IGB_DEBUG
540 	/*
541 	 * Debug statistics
542 	 */
543 	uint32_t		stat_frame_error;
544 	uint32_t		stat_cksum_error;
545 	uint32_t		stat_exceed_pkt;
546 	uint32_t		stat_pkt_cnt;
547 #endif
548 
549 	struct igb		*igb;		/* Pointer to igb struct */
550 	mac_ring_handle_t	ring_handle;	/* call back ring handle */
551 	uint32_t		group_index;	/* group index */
552 	uint64_t		ring_gen_num;
553 } igb_rx_ring_t;
554 
555 /*
556  * Software Receive Ring Group
557  */
558 typedef struct igb_rx_group {
559 	uint32_t		index;		/* Group index */
560 	mac_group_handle_t	group_handle;   /* call back group handle */
561 	struct igb		*igb;		/* Pointer to igb struct */
562 } igb_rx_group_t;
563 
564 typedef enum {
565 	IGB_ETS_INDEX_INTERNAL		= 0,
566 	IGB_ETS_INDEX_EXTERNAL_1	= 1,
567 	IGB_ETS_INDEX_EXTERNAL_2	= 2,
568 	IGB_ETS_INDEX_EXTERNAL_3	= 3
569 } igb_ets_index_t;
570 
571 typedef enum {
572 	IGB_ETS_LOC_NA		= 0,
573 	IGB_ETS_LOC_HOT_SPOT	= 2,
574 	IGB_ETS_LOC_PCIE	= 3,
575 	IGB_ETS_LOC_BULKHEAD	= 4,
576 	IGB_ETS_LOC_BOARD	= 5,
577 	IGB_ETS_LOC_INLET	= 7
578 } igb_ets_loc_t;
579 
580 /*
581  * Sensor data
582  */
583 typedef struct igb_ets {
584 	igb_ets_index_t	iet_index;
585 	igb_ets_loc_t	iet_loc;
586 	uint8_t		iet_thresh;
587 	id_t		iet_ksensor;
588 } igb_ets_t;
589 
590 /*
591  * There are only four words defined for sensors.
592  */
593 #define	IGB_ETS_MAX	4
594 
595 typedef struct igb_sensors {
596 	boolean_t isn_valid;
597 	id_t isn_reg_ksensor;
598 	uint_t isn_nents;
599 	igb_ets_t isn_ets[IGB_ETS_MAX];
600 } igb_sensors_t;
601 
602 typedef struct igb {
603 	int			instance;
604 	mac_handle_t		mac_hdl;
605 	dev_info_t		*dip;
606 	struct e1000_hw		hw;
607 	struct igb_osdep	osdep;
608 
609 	adapter_info_t		*capab;		/* adapter capabilities */
610 
611 	uint32_t		igb_state;
612 	link_state_t		link_state;
613 	uint32_t		link_speed;
614 	uint32_t		link_duplex;
615 	boolean_t		link_complete;
616 	timeout_id_t		link_tid;
617 
618 	uint32_t		reset_count;
619 	uint32_t		attach_progress;
620 	uint32_t		loopback_mode;
621 	uint32_t		default_mtu;
622 	uint32_t		max_frame_size;
623 	uint32_t		dout_sync;
624 
625 	uint32_t		rcb_pending;
626 
627 	uint32_t		mr_enable;	/* Enable multiple rings */
628 	uint32_t		vmdq_mode;	/* Mode of VMDq */
629 
630 	/*
631 	 * Receive Rings and Groups
632 	 */
633 	igb_rx_ring_t		*rx_rings;	/* Array of rx rings */
634 	uint32_t		num_rx_rings;	/* Number of rx rings in use */
635 	uint32_t		rx_ring_size;	/* Rx descriptor ring size */
636 	uint32_t		rx_buf_size;	/* Rx buffer size */
637 	igb_rx_group_t		*rx_groups;	/* Array of rx groups */
638 	uint32_t		num_rx_groups;	/* Number of rx groups in use */
639 
640 	/*
641 	 * Transmit Rings
642 	 */
643 	igb_tx_ring_t		*tx_rings;	/* Array of tx rings */
644 	uint32_t		num_tx_rings;	/* Number of tx rings in use */
645 	uint32_t		tx_ring_size;	/* Tx descriptor ring size */
646 	uint32_t		tx_buf_size;	/* Tx buffer size */
647 
648 	boolean_t		tx_ring_init;
649 	boolean_t		tx_head_wb_enable; /* Tx head wrtie-back */
650 	boolean_t		tx_hcksum_enable; /* Tx h/w cksum offload */
651 	boolean_t		lso_enable;	/* Large Segment Offload */
652 	uint32_t		tx_copy_thresh;	/* Tx copy threshold */
653 	uint32_t		tx_recycle_thresh; /* Tx recycle threshold */
654 	uint32_t		tx_overload_thresh; /* Tx overload threshold */
655 	uint32_t		tx_resched_thresh; /* Tx reschedule threshold */
656 	boolean_t		rx_hcksum_enable; /* Rx h/w cksum offload */
657 	uint32_t		rx_copy_thresh; /* Rx copy threshold */
658 	uint32_t		rx_limit_per_intr; /* Rx pkts per interrupt */
659 
660 	uint32_t		intr_throttling[MAX_NUM_EITR];
661 	uint32_t		intr_force;
662 
663 	int			intr_type;
664 	int			intr_cnt;
665 	int			intr_cap;
666 	size_t			intr_size;
667 	uint_t			intr_pri;
668 	ddi_intr_handle_t	*htable;
669 	uint32_t		eims_mask;
670 	uint32_t		ims_mask;
671 
672 	kmutex_t		gen_lock; /* General lock for device access */
673 	kmutex_t		watchdog_lock;
674 	kmutex_t		link_lock;
675 	kmutex_t		rx_pending_lock;
676 
677 	boolean_t		watchdog_enable;
678 	boolean_t		watchdog_start;
679 	timeout_id_t		watchdog_tid;
680 
681 	boolean_t		unicst_init;
682 	uint32_t		unicst_avail;
683 	uint32_t		unicst_total;
684 	igb_ether_addr_t	unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
685 	uint32_t		mcast_count;
686 	uint32_t		mcast_alloc_count;
687 	uint32_t		mcast_max_num;
688 	struct ether_addr	*mcast_table;
689 
690 	/*
691 	 * LED related functions
692 	 */
693 	boolean_t		igb_led_setup;
694 
695 	/*
696 	 * Kstat definitions
697 	 */
698 	kstat_t			*igb_ks;
699 
700 	/*
701 	 * Backing store for MAC stats.  These are reported via GLDv3, instead
702 	 * of via our private kstat structure.
703 	 */
704 	uint64_t		stat_tor;	/* rbytes */
705 	uint64_t		stat_tpr;	/* rpackets */
706 	uint64_t		stat_tot;	/* obytes */
707 	uint64_t		stat_tpt;	/* opackets */
708 	uint64_t		stat_colc;	/* collisions */
709 	uint64_t		stat_mcc;	/* multi colls */
710 	uint64_t		stat_scc;	/* single colls */
711 	uint64_t		stat_ecol;	/* excessive colls */
712 	uint64_t		stat_latecol;	/* late colls */
713 	uint64_t		stat_bptc;	/* xmit bcast */
714 	uint64_t		stat_mptc;	/* xmit bcast */
715 	uint64_t		stat_bprc;	/* recv bcast */
716 	uint64_t		stat_mprc;	/* recv mcast */
717 	uint64_t		stat_rnbc;	/* recv nobuf */
718 	uint64_t		stat_roc;	/* recv toolong */
719 	uint64_t		stat_sec;	/* sqe errors */
720 	uint64_t		stat_dc;	/* defer */
721 	uint64_t		stat_algnerrc;	/* align errors */
722 	uint64_t		stat_crcerrs;	/* crc errors */
723 	uint64_t		stat_cexterr;	/* carrier extension errors */
724 	uint64_t		stat_ruc;	/* recv tooshort */
725 	uint64_t		stat_rjc;	/* recv jabber */
726 	uint64_t		stat_rxerrc;	/* recv errors */
727 
728 	uint32_t		param_en_1000fdx_cap:1,
729 				param_en_1000hdx_cap:1,
730 				param_en_100t4_cap:1,
731 				param_en_100fdx_cap:1,
732 				param_en_100hdx_cap:1,
733 				param_en_10fdx_cap:1,
734 				param_en_10hdx_cap:1,
735 				param_1000fdx_cap:1,
736 				param_1000hdx_cap:1,
737 				param_100t4_cap:1,
738 				param_100fdx_cap:1,
739 				param_100hdx_cap:1,
740 				param_10fdx_cap:1,
741 				param_10hdx_cap:1,
742 				param_autoneg_cap:1,
743 				param_pause_cap:1,
744 				param_asym_pause_cap:1,
745 				param_rem_fault:1,
746 				param_adv_1000fdx_cap:1,
747 				param_adv_1000hdx_cap:1,
748 				param_adv_100t4_cap:1,
749 				param_adv_100fdx_cap:1,
750 				param_adv_100hdx_cap:1,
751 				param_adv_10fdx_cap:1,
752 				param_adv_10hdx_cap:1,
753 				param_adv_autoneg_cap:1,
754 				param_adv_pause_cap:1,
755 				param_adv_asym_pause_cap:1,
756 				param_adv_rem_fault:1,
757 				param_lp_1000fdx_cap:1,
758 				param_lp_1000hdx_cap:1,
759 				param_lp_100t4_cap:1;
760 
761 	uint32_t		param_lp_100fdx_cap:1,
762 				param_lp_100hdx_cap:1,
763 				param_lp_10fdx_cap:1,
764 				param_lp_10hdx_cap:1,
765 				param_lp_autoneg_cap:1,
766 				param_lp_pause_cap:1,
767 				param_lp_asym_pause_cap:1,
768 				param_lp_rem_fault:1,
769 				param_pad_to_32:24;
770 
771 	/*
772 	 * FMA capabilities
773 	 */
774 	int			fm_capabilities;
775 
776 	ulong_t			page_size;
777 	ddi_ufm_handle_t	*igb_ufmh;
778 	igb_sensors_t		igb_sensors;
779 } igb_t;
780 
781 typedef struct igb_stat {
782 
783 	kstat_named_t reset_count;	/* Reset Count */
784 	kstat_named_t dout_sync;	/* DMA out of sync */
785 #ifdef IGB_DEBUG
786 	kstat_named_t rx_frame_error;	/* Rx Error in Packet */
787 	kstat_named_t rx_cksum_error;	/* Rx Checksum Error */
788 	kstat_named_t rx_exceed_pkt;	/* Rx Exceed Max Pkt Count */
789 
790 	kstat_named_t tx_overload;	/* Tx Desc Ring Overload */
791 	kstat_named_t tx_fail_no_tcb;	/* Tx Fail Freelist Empty */
792 	kstat_named_t tx_fail_no_tbd;	/* Tx Fail Desc Ring Empty */
793 	kstat_named_t tx_fail_dma_bind;	/* Tx Fail DMA bind */
794 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
795 
796 	kstat_named_t gprc;	/* Good Packets Received Count */
797 	kstat_named_t gptc;	/* Good Packets Xmitted Count */
798 	kstat_named_t gor;	/* Good Octets Received Count */
799 	kstat_named_t got;	/* Good Octets Xmitd Count */
800 	kstat_named_t prc64;	/* Packets Received - 64b */
801 	kstat_named_t prc127;	/* Packets Received - 65-127b */
802 	kstat_named_t prc255;	/* Packets Received - 127-255b */
803 	kstat_named_t prc511;	/* Packets Received - 256-511b */
804 	kstat_named_t prc1023;	/* Packets Received - 511-1023b */
805 	kstat_named_t prc1522;	/* Packets Received - 1024-1522b */
806 	kstat_named_t ptc64;	/* Packets Xmitted (64b) */
807 	kstat_named_t ptc127;	/* Packets Xmitted (64-127b) */
808 	kstat_named_t ptc255;	/* Packets Xmitted (128-255b) */
809 	kstat_named_t ptc511;	/* Packets Xmitted (255-511b) */
810 	kstat_named_t ptc1023;	/* Packets Xmitted (512-1023b) */
811 	kstat_named_t ptc1522;	/* Packets Xmitted (1024-1522b */
812 #endif
813 	kstat_named_t symerrs;	/* Symbol Error Count */
814 	kstat_named_t mpc;	/* Missed Packet Count */
815 	kstat_named_t rlec;	/* Receive Length Error Count */
816 	kstat_named_t xonrxc;	/* XON Received Count */
817 	kstat_named_t xontxc;	/* XON Xmitted Count */
818 	kstat_named_t xoffrxc;	/* XOFF Received Count */
819 	kstat_named_t xofftxc;	/* Xoff Xmitted Count */
820 	kstat_named_t fcruc;	/* Unknown Flow Conrol Packet Rcvd Count */
821 	kstat_named_t rfc;	/* Receive Frag Count */
822 	kstat_named_t tncrs;	/* Transmit with no CRS */
823 	kstat_named_t tsctc;	/* TCP seg contexts xmit count */
824 	kstat_named_t tsctfc;	/* TCP seg contexts xmit fail count */
825 } igb_stat_t;
826 
827 /*
828  * Function prototypes in e1000_osdep.c
829  */
830 void e1000_write_pci_cfg(struct e1000_hw *, uint32_t, uint16_t *);
831 void e1000_read_pci_cfg(struct e1000_hw *, uint32_t, uint16_t *);
832 int32_t e1000_read_pcie_cap_reg(struct e1000_hw *, uint32_t, uint16_t *);
833 int32_t e1000_write_pcie_cap_reg(struct e1000_hw *, uint32_t, uint16_t *);
834 void e1000_rar_clear(struct e1000_hw *, uint32_t);
835 void e1000_rar_set_vmdq(struct e1000_hw *, const uint8_t *, uint32_t,
836     uint32_t, uint8_t);
837 
838 /*
839  * Function prototypes in igb_buf.c
840  */
841 int igb_alloc_dma(igb_t *);
842 void igb_free_dma(igb_t *);
843 void igb_free_dma_buffer(dma_buffer_t *);
844 int igb_alloc_rx_ring_data(igb_rx_ring_t *rx_ring);
845 void igb_free_rx_ring_data(igb_rx_data_t *rx_data);
846 
847 /*
848  * Function prototypes in igb_main.c
849  */
850 int igb_start(igb_t *, boolean_t);
851 void igb_stop(igb_t *, boolean_t);
852 int igb_setup_link(igb_t *, boolean_t);
853 int igb_unicst_find(igb_t *, const uint8_t *);
854 int igb_unicst_set(igb_t *, const uint8_t *, int);
855 int igb_multicst_add(igb_t *, const uint8_t *);
856 int igb_multicst_remove(igb_t *, const uint8_t *);
857 enum ioc_reply igb_loopback_ioctl(igb_t *, struct iocblk *, mblk_t *);
858 void igb_enable_watchdog_timer(igb_t *);
859 void igb_disable_watchdog_timer(igb_t *);
860 int igb_atomic_reserve(uint32_t *, uint32_t);
861 int igb_check_acc_handle(ddi_acc_handle_t);
862 int igb_check_dma_handle(ddi_dma_handle_t);
863 void igb_fm_ereport(igb_t *, char *);
864 void igb_set_fma_flags(int);
865 
866 /*
867  * Function prototypes in igb_gld.c
868  */
869 int igb_m_start(void *);
870 void igb_m_stop(void *);
871 int igb_m_promisc(void *, boolean_t);
872 int igb_m_multicst(void *, boolean_t, const uint8_t *);
873 int igb_m_unicst(void *, const uint8_t *);
874 int igb_m_stat(void *, uint_t, uint64_t *);
875 void igb_m_resources(void *);
876 void igb_m_ioctl(void *, queue_t *, mblk_t *);
877 boolean_t igb_m_getcapab(void *, mac_capab_t, void *);
878 void igb_fill_ring(void *, mac_ring_type_t, const int, const int,
879     mac_ring_info_t *, mac_ring_handle_t);
880 int igb_m_setprop(void *, const char *, mac_prop_id_t, uint_t, const void *);
881 int igb_m_getprop(void *, const char *, mac_prop_id_t, uint_t, void *);
882 void igb_m_propinfo(void *, const char *, mac_prop_id_t,
883     mac_prop_info_handle_t);
884 int igb_set_priv_prop(igb_t *, const char *, uint_t, const void *);
885 int igb_get_priv_prop(igb_t *, const char *, uint_t, void *);
886 void igb_priv_prop_info(igb_t *, const char *, mac_prop_info_handle_t);
887 boolean_t igb_param_locked(mac_prop_id_t);
888 void igb_fill_group(void *arg, mac_ring_type_t, const int,
889     mac_group_info_t *, mac_group_handle_t);
890 int igb_rx_ring_intr_enable(mac_intr_handle_t);
891 int igb_rx_ring_intr_disable(mac_intr_handle_t);
892 int igb_get_def_val(igb_t *, mac_prop_id_t, uint_t, void *);
893 
894 /*
895  * Function prototypes in igb_rx.c
896  */
897 mblk_t *igb_rx(igb_rx_ring_t *, int);
898 void igb_rx_recycle(caddr_t arg);
899 
900 /*
901  * Function prototypes in igb_tx.c
902  */
903 void igb_free_tcb(tx_control_block_t *);
904 void igb_put_free_list(igb_tx_ring_t *, link_list_t *);
905 uint32_t igb_tx_recycle_legacy(igb_tx_ring_t *);
906 uint32_t igb_tx_recycle_head_wb(igb_tx_ring_t *);
907 
908 /*
909  * Function prototypes in igb_stat.c
910  */
911 int igb_init_stats(igb_t *);
912 
913 mblk_t *igb_rx_ring_poll(void *, int);
914 mblk_t *igb_tx_ring_send(void *, mblk_t *);
915 int igb_rx_ring_stat(mac_ring_driver_t, uint_t, uint64_t *);
916 int igb_tx_ring_stat(mac_ring_driver_t, uint_t, uint64_t *);
917 
918 /*
919  * Function prootypes in igb_sesnor.c
920  */
921 void igb_init_sensors(igb_t *);
922 void igb_fini_sensors(igb_t *);
923 
924 #ifdef __cplusplus
925 }
926 #endif
927 
928 #endif /* _IGB_SW_H */
929