xref: /illumos-gate/usr/src/uts/common/io/ixgbe/ixgbe_sw.h (revision d8a7fe16f62711cdc5c4267da8b34ff24a6b668c)
1 /*
2  * CDDL HEADER START
3  *
4  * Copyright(c) 2007-2009 Intel Corporation. All rights reserved.
5  * The contents of this file are subject to the terms of the
6  * Common Development and Distribution License (the "License").
7  * You may not use this file except in compliance with the License.
8  *
9  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
10  * or http://www.opensolaris.org/os/licensing.
11  * See the License for the specific language governing permissions
12  * and limitations under the License.
13  *
14  * When distributing Covered Code, include this CDDL HEADER in each
15  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
16  * If applicable, add the following below this CDDL HEADER, with the
17  * fields enclosed by brackets "[]" replaced with your own identifying
18  * information: Portions Copyright [yyyy] [name of copyright owner]
19  *
20  * CDDL HEADER END
21  */
22 
23 /*
24  * Copyright 2009 Sun Microsystems, Inc.  All rights reserved.
25  * Use is subject to license terms.
26  */
27 
28 #ifndef	_IXGBE_SW_H
29 #define	_IXGBE_SW_H
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 #include <sys/types.h>
36 #include <sys/conf.h>
37 #include <sys/debug.h>
38 #include <sys/stropts.h>
39 #include <sys/stream.h>
40 #include <sys/strsun.h>
41 #include <sys/strlog.h>
42 #include <sys/kmem.h>
43 #include <sys/stat.h>
44 #include <sys/kstat.h>
45 #include <sys/modctl.h>
46 #include <sys/errno.h>
47 #include <sys/dlpi.h>
48 #include <sys/mac_provider.h>
49 #include <sys/mac_ether.h>
50 #include <sys/vlan.h>
51 #include <sys/ddi.h>
52 #include <sys/sunddi.h>
53 #include <sys/pci.h>
54 #include <sys/pcie.h>
55 #include <sys/sdt.h>
56 #include <sys/ethernet.h>
57 #include <sys/pattr.h>
58 #include <sys/strsubr.h>
59 #include <sys/netlb.h>
60 #include <sys/random.h>
61 #include <inet/common.h>
62 #include <inet/tcp.h>
63 #include <inet/ip.h>
64 #include <inet/mi.h>
65 #include <inet/nd.h>
66 #include <sys/bitmap.h>
67 #include <sys/ddifm.h>
68 #include <sys/fm/protocol.h>
69 #include <sys/fm/util.h>
70 #include <sys/disp.h>
71 #include <sys/fm/io/ddi.h>
72 #include "ixgbe_api.h"
73 
74 #define	MODULE_NAME			"ixgbe"	/* module name */
75 
76 #define	IXGBE_FAILURE			DDI_FAILURE
77 
78 #define	IXGBE_UNKNOWN			0x00
79 #define	IXGBE_INITIALIZED		0x01
80 #define	IXGBE_STARTED			0x02
81 #define	IXGBE_SUSPENDED			0x04
82 #define	IXGBE_STALL			0x08
83 #define	IXGBE_ERROR			0x80
84 
85 #define	MAX_NUM_UNICAST_ADDRESSES 	0x10
86 #define	MAX_NUM_MULTICAST_ADDRESSES 	0x1000
87 #define	IXGBE_INTR_NONE			0
88 #define	IXGBE_INTR_MSIX			1
89 #define	IXGBE_INTR_MSI			2
90 #define	IXGBE_INTR_LEGACY		3
91 
92 #define	IXGBE_POLL_NULL			-1
93 
94 #define	MAX_COOKIE			18
95 #define	MIN_NUM_TX_DESC			2
96 
97 #define	IXGBE_TX_DESC_LIMIT		32	/* tx desc limitation	*/
98 
99 #define	IXGBE_ADAPTER_REGSET		1	/* map adapter registers */
100 
101 #define	IXGBE_RX_STOPPED		0x1
102 
103 /*
104  * MAX_xx_QUEUE_NUM and MAX_INTR_VECTOR values need to be the maximum of all
105  * supported silicon types.
106  */
107 #define	MAX_TX_QUEUE_NUM		128
108 #define	MAX_RX_QUEUE_NUM		128
109 #define	MAX_INTR_VECTOR			64
110 
111 /*
112  * Maximum values for user configurable parameters
113  */
114 #define	MAX_RX_GROUP_NUM		1
115 #define	MAX_TX_RING_SIZE		4096
116 #define	MAX_RX_RING_SIZE		4096
117 
118 #define	MAX_RX_LIMIT_PER_INTR		4096
119 
120 #define	MAX_RX_COPY_THRESHOLD		9216
121 #define	MAX_TX_COPY_THRESHOLD		9216
122 #define	MAX_TX_RECYCLE_THRESHOLD	DEFAULT_TX_RING_SIZE
123 #define	MAX_TX_OVERLOAD_THRESHOLD	DEFAULT_TX_RING_SIZE
124 #define	MAX_TX_RESCHED_THRESHOLD	DEFAULT_TX_RING_SIZE
125 
126 /*
127  * Minimum values for user configurable parameters
128  */
129 #define	MIN_RX_GROUP_NUM		1
130 #define	MIN_TX_RING_SIZE		64
131 #define	MIN_RX_RING_SIZE		64
132 
133 #define	MIN_MTU				ETHERMIN
134 #define	MIN_RX_LIMIT_PER_INTR		16
135 #define	MIN_TX_COPY_THRESHOLD		0
136 #define	MIN_RX_COPY_THRESHOLD		0
137 #define	MIN_TX_RECYCLE_THRESHOLD	MIN_NUM_TX_DESC
138 #define	MIN_TX_OVERLOAD_THRESHOLD	MIN_NUM_TX_DESC
139 #define	MIN_TX_RESCHED_THRESHOLD	MIN_NUM_TX_DESC
140 
141 /*
142  * Default values for user configurable parameters
143  */
144 #define	DEFAULT_RX_GROUP_NUM		1
145 #define	DEFAULT_TX_RING_SIZE		1024
146 #define	DEFAULT_RX_RING_SIZE		1024
147 
148 #define	DEFAULT_MTU			ETHERMTU
149 #define	DEFAULT_RX_LIMIT_PER_INTR	256
150 #define	DEFAULT_RX_COPY_THRESHOLD	128
151 #define	DEFAULT_TX_COPY_THRESHOLD	512
152 #define	DEFAULT_TX_RECYCLE_THRESHOLD	(MAX_COOKIE + 1)
153 #define	DEFAULT_TX_OVERLOAD_THRESHOLD	MIN_NUM_TX_DESC
154 #define	DEFAULT_TX_RESCHED_THRESHOLD	128
155 #define	DEFAULT_FCRTH			0x20000
156 #define	DEFAULT_FCRTL			0x10000
157 #define	DEFAULT_FCPAUSE			0xFFFF
158 
159 #define	DEFAULT_TX_HCKSUM_ENABLE	B_TRUE
160 #define	DEFAULT_RX_HCKSUM_ENABLE	B_TRUE
161 #define	DEFAULT_LSO_ENABLE		B_TRUE
162 #define	DEFAULT_MR_ENABLE		B_TRUE
163 #define	DEFAULT_TX_HEAD_WB_ENABLE	B_TRUE
164 
165 #define	IXGBE_LSO_MAXLEN		65535
166 
167 #define	TX_DRAIN_TIME			200
168 #define	RX_DRAIN_TIME			200
169 
170 #define	STALL_WATCHDOG_TIMEOUT		8	/* 8 seconds */
171 #define	MAX_LINK_DOWN_TIMEOUT		8	/* 8 seconds */
172 
173 #define	IXGBE_CYCLIC_PERIOD		(1000000000)	/* 1s */
174 
175 /*
176  * Extra register bit masks for 82598
177  */
178 #define	IXGBE_PCS1GANA_FDC	0x20
179 #define	IXGBE_PCS1GANLP_LPFD	0x20
180 #define	IXGBE_PCS1GANLP_LPHD	0x40
181 
182 /*
183  * Defined for IP header alignment.
184  */
185 #define	IPHDR_ALIGN_ROOM		2
186 
187 /*
188  * Bit flags for attach_progress
189  */
190 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
191 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
192 #define	ATTACH_PROGRESS_PROPS		0x0004	/* Properties initialized */
193 #define	ATTACH_PROGRESS_ALLOC_INTR	0x0008	/* Interrupts allocated */
194 #define	ATTACH_PROGRESS_ALLOC_RINGS	0x0010	/* Rings allocated */
195 #define	ATTACH_PROGRESS_ADD_INTR	0x0020	/* Intr handlers added */
196 #define	ATTACH_PROGRESS_LOCKS		0x0040	/* Locks initialized */
197 #define	ATTACH_PROGRESS_INIT		0x0080	/* Device initialized */
198 #define	ATTACH_PROGRESS_STATS		0x0200	/* Kstats created */
199 #define	ATTACH_PROGRESS_MAC		0x0800	/* MAC registered */
200 #define	ATTACH_PROGRESS_ENABLE_INTR	0x1000	/* DDI interrupts enabled */
201 #define	ATTACH_PROGRESS_FM_INIT		0x2000	/* FMA initialized */
202 #define	ATTACH_PROGRESS_SFP_TASKQ	0x4000	/* SFP taskq created */
203 #define	ATTACH_PROGRESS_LINK_TIMER	0x8000	/* link check timer */
204 
205 #define	PROP_DEFAULT_MTU		"default_mtu"
206 #define	PROP_FLOW_CONTROL		"flow_control"
207 #define	PROP_TX_QUEUE_NUM		"tx_queue_number"
208 #define	PROP_TX_RING_SIZE		"tx_ring_size"
209 #define	PROP_RX_QUEUE_NUM		"rx_queue_number"
210 #define	PROP_RX_RING_SIZE		"rx_ring_size"
211 #define	PROP_RX_GROUP_NUM		"rx_group_number"
212 
213 #define	PROP_INTR_FORCE			"intr_force"
214 #define	PROP_TX_HCKSUM_ENABLE		"tx_hcksum_enable"
215 #define	PROP_RX_HCKSUM_ENABLE		"rx_hcksum_enable"
216 #define	PROP_LSO_ENABLE			"lso_enable"
217 #define	PROP_MR_ENABLE			"mr_enable"
218 #define	PROP_TX_HEAD_WB_ENABLE		"tx_head_wb_enable"
219 #define	PROP_TX_COPY_THRESHOLD		"tx_copy_threshold"
220 #define	PROP_TX_RECYCLE_THRESHOLD	"tx_recycle_threshold"
221 #define	PROP_TX_OVERLOAD_THRESHOLD	"tx_overload_threshold"
222 #define	PROP_TX_RESCHED_THRESHOLD	"tx_resched_threshold"
223 #define	PROP_RX_COPY_THRESHOLD		"rx_copy_threshold"
224 #define	PROP_RX_LIMIT_PER_INTR		"rx_limit_per_intr"
225 #define	PROP_INTR_THROTTLING		"intr_throttling"
226 #define	PROP_FM_CAPABLE			"fm_capable"
227 
228 #define	IXGBE_LB_NONE			0
229 #define	IXGBE_LB_EXTERNAL		1
230 #define	IXGBE_LB_INTERNAL_MAC		2
231 #define	IXGBE_LB_INTERNAL_PHY		3
232 #define	IXGBE_LB_INTERNAL_SERDES	4
233 
234 /*
235  * capability/feature flags
236  * Flags named _CAPABLE are set when the NIC hardware is capable of the feature.
237  * Separately, the flag named _ENABLED is set when the feature is enabled.
238  */
239 #define	IXGBE_FLAG_DCA_ENABLED		(u32)(1)
240 #define	IXGBE_FLAG_DCA_CAPABLE		(u32)(1 << 1)
241 #define	IXGBE_FLAG_DCB_ENABLED		(u32)(1 << 2)
242 #define	IXGBE_FLAG_DCB_CAPABLE		(u32)(1 << 4)
243 #define	IXGBE_FLAG_RSS_ENABLED		(u32)(1 << 4)
244 #define	IXGBE_FLAG_RSS_CAPABLE		(u32)(1 << 5)
245 #define	IXGBE_FLAG_VMDQ_CAPABLE		(u32)(1 << 6)
246 #define	IXGBE_FLAG_VMDQ_ENABLED		(u32)(1 << 7)
247 #define	IXGBE_FLAG_FAN_FAIL_CAPABLE	(u32)(1 << 8)
248 
249 /* adapter-specific info for each supported device type */
250 typedef struct adapter_info {
251 	uint32_t	max_rx_que_num;	/* maximum number of rx queues */
252 	uint32_t	min_rx_que_num;	/* minimum number of rx queues */
253 	uint32_t	def_rx_que_num;	/* default number of rx queues */
254 	uint32_t	max_tx_que_num;	/* maximum number of tx queues */
255 	uint32_t	min_tx_que_num;	/* minimum number of tx queues */
256 	uint32_t	def_tx_que_num;	/* default number of tx queues */
257 	uint32_t	max_mtu;	/* maximum MTU size */
258 	/*
259 	 * Interrupt throttling is in unit of 256 nsec
260 	 */
261 	uint32_t	max_intr_throttle; /* maximum interrupt throttle */
262 	uint32_t	min_intr_throttle; /* minimum interrupt throttle */
263 	uint32_t	def_intr_throttle; /* default interrupt throttle */
264 
265 	uint32_t	max_msix_vect;	/* maximum total msix vectors */
266 	uint32_t	max_ring_vect;	/* maximum number of ring vectors */
267 	uint32_t	max_other_vect;	/* maximum number of other vectors */
268 	uint32_t	other_intr;	/* "other" interrupt types handled */
269 	uint32_t	flags;		/* capability flags */
270 } adapter_info_t;
271 
272 /* bits representing all interrupt types other than tx & rx */
273 #define	IXGBE_OTHER_INTR	0x3ff00000
274 #define	IXGBE_82599_OTHER_INTR	0x86100000
275 
276 enum ioc_reply {
277 	IOC_INVAL = -1,	/* bad, NAK with EINVAL */
278 	IOC_DONE, 	/* OK, reply sent */
279 	IOC_ACK,	/* OK, just send ACK */
280 	IOC_REPLY	/* OK, just send reply */
281 };
282 
283 #define	DMA_SYNC(area, flag)	((void) ddi_dma_sync((area)->dma_handle, \
284 				    0, 0, (flag)))
285 
286 /*
287  * Defined for ring index operations
288  * ASSERT(index < limit)
289  * ASSERT(step < limit)
290  * ASSERT(index1 < limit)
291  * ASSERT(index2 < limit)
292  */
293 #define	NEXT_INDEX(index, step, limit)	(((index) + (step)) < (limit) ? \
294 	(index) + (step) : (index) + (step) - (limit))
295 #define	PREV_INDEX(index, step, limit)	((index) >= (step) ? \
296 	(index) - (step) : (index) + (limit) - (step))
297 #define	OFFSET(index1, index2, limit)	((index1) <= (index2) ? \
298 	(index2) - (index1) : (index2) + (limit) - (index1))
299 
300 #define	LINK_LIST_INIT(_LH)	\
301 	(_LH)->head = (_LH)->tail = NULL
302 
303 #define	LIST_GET_HEAD(_LH)	((single_link_t *)((_LH)->head))
304 
305 #define	LIST_POP_HEAD(_LH)	\
306 	(single_link_t *)(_LH)->head; \
307 	{ \
308 		if ((_LH)->head != NULL) { \
309 			(_LH)->head = (_LH)->head->link; \
310 			if ((_LH)->head == NULL) \
311 				(_LH)->tail = NULL; \
312 		} \
313 	}
314 
315 #define	LIST_GET_TAIL(_LH)	((single_link_t *)((_LH)->tail))
316 
317 #define	LIST_PUSH_TAIL(_LH, _E)	\
318 	if ((_LH)->tail != NULL) { \
319 		(_LH)->tail->link = (single_link_t *)(_E); \
320 		(_LH)->tail = (single_link_t *)(_E); \
321 	} else { \
322 		(_LH)->head = (_LH)->tail = (single_link_t *)(_E); \
323 	} \
324 	(_E)->link = NULL;
325 
326 #define	LIST_GET_NEXT(_LH, _E)		\
327 	(((_LH)->tail == (single_link_t *)(_E)) ? \
328 	NULL : ((single_link_t *)(_E))->link)
329 
330 
331 typedef struct single_link {
332 	struct single_link	*link;
333 } single_link_t;
334 
335 typedef struct link_list {
336 	single_link_t		*head;
337 	single_link_t		*tail;
338 } link_list_t;
339 
340 /*
341  * Property lookups
342  */
343 #define	IXGBE_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
344 				    DDI_PROP_DONTPASS, (n))
345 #define	IXGBE_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
346 				    DDI_PROP_DONTPASS, (n), -1)
347 
348 
349 typedef union ixgbe_ether_addr {
350 	struct {
351 		uint32_t	high;
352 		uint32_t	low;
353 	} reg;
354 	struct {
355 		uint8_t		set;
356 		uint8_t		redundant;
357 		uint8_t		addr[ETHERADDRL];
358 	} mac;
359 } ixgbe_ether_addr_t;
360 
361 typedef enum {
362 	USE_NONE,
363 	USE_COPY,
364 	USE_DMA
365 } tx_type_t;
366 
367 typedef struct ixgbe_tx_context {
368 	uint32_t		hcksum_flags;
369 	uint32_t		ip_hdr_len;
370 	uint32_t		mac_hdr_len;
371 	uint32_t		l4_proto;
372 	uint32_t		mss;
373 	uint32_t		l4_hdr_len;
374 	boolean_t		lso_flag;
375 } ixgbe_tx_context_t;
376 
377 /*
378  * Hold address/length of each DMA segment
379  */
380 typedef struct sw_desc {
381 	uint64_t		address;
382 	size_t			length;
383 } sw_desc_t;
384 
385 /*
386  * Handles and addresses of DMA buffer
387  */
388 typedef struct dma_buffer {
389 	caddr_t			address;	/* Virtual address */
390 	uint64_t		dma_address;	/* DMA (Hardware) address */
391 	ddi_acc_handle_t	acc_handle;	/* Data access handle */
392 	ddi_dma_handle_t	dma_handle;	/* DMA handle */
393 	size_t			size;		/* Buffer size */
394 	size_t			len;		/* Data length in the buffer */
395 } dma_buffer_t;
396 
397 /*
398  * Tx Control Block
399  */
400 typedef struct tx_control_block {
401 	single_link_t		link;
402 	uint32_t		last_index; /* last descriptor of the pkt */
403 	uint32_t		frag_num;
404 	uint32_t		desc_num;
405 	mblk_t			*mp;
406 	tx_type_t		tx_type;
407 	ddi_dma_handle_t	tx_dma_handle;
408 	dma_buffer_t		tx_buf;
409 	sw_desc_t		desc[MAX_COOKIE];
410 } tx_control_block_t;
411 
412 /*
413  * RX Control Block
414  */
415 typedef struct rx_control_block {
416 	mblk_t			*mp;
417 	uint32_t		ref_cnt;
418 	dma_buffer_t		rx_buf;
419 	frtn_t			free_rtn;
420 	struct ixgbe_rx_data	*rx_data;
421 } rx_control_block_t;
422 
423 /*
424  * Software Data Structure for Tx Ring
425  */
426 typedef struct ixgbe_tx_ring {
427 	uint32_t		index;	/* Ring index */
428 	uint32_t		intr_vector;	/* Interrupt vector index */
429 	uint32_t		vect_bit;	/* vector's bit in register */
430 
431 	/*
432 	 * Mutexes
433 	 */
434 	kmutex_t		tx_lock;
435 	kmutex_t		recycle_lock;
436 	kmutex_t		tcb_head_lock;
437 	kmutex_t		tcb_tail_lock;
438 
439 	/*
440 	 * Tx descriptor ring definitions
441 	 */
442 	dma_buffer_t		tbd_area;
443 	union ixgbe_adv_tx_desc	*tbd_ring;
444 	uint32_t		tbd_head; /* Index of next tbd to recycle */
445 	uint32_t		tbd_tail; /* Index of next tbd to transmit */
446 	uint32_t		tbd_free; /* Number of free tbd */
447 
448 	/*
449 	 * Tx control block list definitions
450 	 */
451 	tx_control_block_t	*tcb_area;
452 	tx_control_block_t	**work_list;
453 	tx_control_block_t	**free_list;
454 	uint32_t		tcb_head; /* Head index of free list */
455 	uint32_t		tcb_tail; /* Tail index of free list */
456 	uint32_t		tcb_free; /* Number of free tcb in free list */
457 
458 	uint32_t		*tbd_head_wb; /* Head write-back */
459 	uint32_t		(*tx_recycle)(struct ixgbe_tx_ring *);
460 
461 	/*
462 	 * s/w context structure for TCP/UDP checksum offload
463 	 * and LSO.
464 	 */
465 	ixgbe_tx_context_t	tx_context;
466 
467 	/*
468 	 * Tx ring settings and status
469 	 */
470 	uint32_t		ring_size; /* Tx descriptor ring size */
471 	uint32_t		free_list_size;	/* Tx free list size */
472 
473 	boolean_t		reschedule;
474 	uint32_t		recycle_fail;
475 	uint32_t		stall_watchdog;
476 
477 #ifdef IXGBE_DEBUG
478 	/*
479 	 * Debug statistics
480 	 */
481 	uint32_t		stat_overload;
482 	uint32_t		stat_fail_no_tbd;
483 	uint32_t		stat_fail_no_tcb;
484 	uint32_t		stat_fail_dma_bind;
485 	uint32_t		stat_reschedule;
486 	uint32_t		stat_break_tbd_limit;
487 	uint32_t		stat_lso_header_fail;
488 #endif
489 
490 	mac_ring_handle_t	ring_handle;
491 
492 	/*
493 	 * Pointer to the ixgbe struct
494 	 */
495 	struct ixgbe		*ixgbe;
496 } ixgbe_tx_ring_t;
497 
498 /*
499  * Software Receive Ring
500  */
501 typedef struct ixgbe_rx_data {
502 	kmutex_t		recycle_lock;	/* Recycle lock, for rcb_tail */
503 
504 	/*
505 	 * Rx descriptor ring definitions
506 	 */
507 	dma_buffer_t		rbd_area;	/* DMA buffer of rx desc ring */
508 	union ixgbe_adv_rx_desc	*rbd_ring;	/* Rx desc ring */
509 	uint32_t		rbd_next;	/* Index of next rx desc */
510 
511 	/*
512 	 * Rx control block list definitions
513 	 */
514 	rx_control_block_t	*rcb_area;
515 	rx_control_block_t	**work_list;	/* Work list of rcbs */
516 	rx_control_block_t	**free_list;	/* Free list of rcbs */
517 	uint32_t		rcb_head;	/* Index of next free rcb */
518 	uint32_t		rcb_tail;	/* Index to put recycled rcb */
519 	uint32_t		rcb_free;	/* Number of free rcbs */
520 
521 	/*
522 	 * Rx sw ring settings and status
523 	 */
524 	uint32_t		ring_size;	/* Rx descriptor ring size */
525 	uint32_t		free_list_size;	/* Rx free list size */
526 
527 	uint32_t		rcb_pending;
528 	uint32_t		flag;
529 
530 	struct ixgbe_rx_ring	*rx_ring;	/* Pointer to rx ring */
531 } ixgbe_rx_data_t;
532 
533 /*
534  * Software Data Structure for Rx Ring
535  */
536 typedef struct ixgbe_rx_ring {
537 	uint32_t		index;		/* Ring index */
538 	uint32_t		intr_vector;	/* Interrupt vector index */
539 	uint32_t		vect_bit;	/* vector's bit in register */
540 
541 	ixgbe_rx_data_t		*rx_data;	/* Rx software ring */
542 
543 	kmutex_t		rx_lock;	/* Rx access lock */
544 
545 #ifdef IXGBE_DEBUG
546 	/*
547 	 * Debug statistics
548 	 */
549 	uint32_t		stat_frame_error;
550 	uint32_t		stat_cksum_error;
551 	uint32_t		stat_exceed_pkt;
552 #endif
553 
554 	mac_ring_handle_t	ring_handle;
555 	uint64_t		ring_gen_num;
556 
557 	struct ixgbe		*ixgbe;		/* Pointer to ixgbe struct */
558 } ixgbe_rx_ring_t;
559 /*
560  * Software Receive Ring Group
561  */
562 typedef struct ixgbe_rx_group {
563 	uint32_t		index;		/* Group index */
564 	mac_group_handle_t	group_handle;   /* call back group handle */
565 	struct ixgbe		*ixgbe;		/* Pointer to ixgbe struct */
566 } ixgbe_rx_group_t;
567 
568 /*
569  * structure to map interrupt cleanup to msi-x vector
570  */
571 typedef struct ixgbe_intr_vector {
572 	struct ixgbe *ixgbe;	/* point to my adapter */
573 	ulong_t rx_map[BT_BITOUL(MAX_RX_QUEUE_NUM)];	/* bitmap of rx rings */
574 	int	rxr_cnt;	/* count rx rings */
575 	ulong_t tx_map[BT_BITOUL(MAX_TX_QUEUE_NUM)];	/* bitmap of tx rings */
576 	int	txr_cnt;	/* count tx rings */
577 	ulong_t other_map[BT_BITOUL(2)];		/* bitmap of other */
578 	int	other_cnt;	/* count other interrupt */
579 } ixgbe_intr_vector_t;
580 
581 /*
582  * Software adapter state
583  */
584 typedef struct ixgbe {
585 	int 			instance;
586 	mac_handle_t		mac_hdl;
587 	dev_info_t		*dip;
588 	struct ixgbe_hw		hw;
589 	struct ixgbe_osdep	osdep;
590 
591 	adapter_info_t		*capab;	/* adapter hardware capabilities */
592 	ddi_taskq_t		*sfp_taskq;	/* sfp-change taskq */
593 	uint32_t		eims;		/* interrupt mask setting */
594 	uint32_t		eimc;		/* interrupt mask clear */
595 	uint32_t		eicr;		/* interrupt cause reg */
596 
597 	uint32_t		ixgbe_state;
598 	link_state_t		link_state;
599 	uint32_t		link_speed;
600 	uint32_t		link_duplex;
601 	uint32_t		link_down_timeout;
602 
603 	uint32_t		reset_count;
604 	uint32_t		attach_progress;
605 	uint32_t		loopback_mode;
606 	uint32_t		default_mtu;
607 	uint32_t		max_frame_size;
608 
609 	uint32_t		rcb_pending;
610 
611 	/*
612 	 * Each msi-x vector: map vector to interrupt cleanup
613 	 */
614 	ixgbe_intr_vector_t	vect_map[MAX_INTR_VECTOR];
615 
616 	/*
617 	 * Receive Rings
618 	 */
619 	ixgbe_rx_ring_t		*rx_rings;	/* Array of rx rings */
620 	uint32_t		num_rx_rings;	/* Number of rx rings in use */
621 	uint32_t		rx_ring_size;	/* Rx descriptor ring size */
622 	uint32_t		rx_buf_size;	/* Rx buffer size */
623 
624 	/*
625 	 * Receive Groups
626 	 */
627 	ixgbe_rx_group_t	*rx_groups;	/* Array of rx groups */
628 	uint32_t		num_rx_groups;	/* Number of rx groups in use */
629 
630 	/*
631 	 * Transmit Rings
632 	 */
633 	ixgbe_tx_ring_t		*tx_rings;	/* Array of tx rings */
634 	uint32_t		num_tx_rings;	/* Number of tx rings in use */
635 	uint32_t		tx_ring_size;	/* Tx descriptor ring size */
636 	uint32_t		tx_buf_size;	/* Tx buffer size */
637 
638 	boolean_t		tx_ring_init;
639 	boolean_t		tx_head_wb_enable; /* Tx head wrtie-back */
640 	boolean_t		tx_hcksum_enable; /* Tx h/w cksum offload */
641 	boolean_t 		lso_enable; 	/* Large Segment Offload */
642 	boolean_t 		mr_enable; 	/* Multiple Tx and Rx Ring */
643 	uint32_t		tx_copy_thresh;	/* Tx copy threshold */
644 	uint32_t		tx_recycle_thresh; /* Tx recycle threshold */
645 	uint32_t		tx_overload_thresh; /* Tx overload threshold */
646 	uint32_t		tx_resched_thresh; /* Tx reschedule threshold */
647 	boolean_t		rx_hcksum_enable; /* Rx h/w cksum offload */
648 	uint32_t		rx_copy_thresh; /* Rx copy threshold */
649 	uint32_t		rx_limit_per_intr; /* Rx pkts per interrupt */
650 	uint32_t		intr_throttling[MAX_INTR_VECTOR];
651 	uint32_t		intr_force;
652 	int			fm_capabilities; /* FMA capabilities */
653 
654 	int			intr_type;
655 	int			intr_cnt;
656 	int			intr_cap;
657 	size_t			intr_size;
658 	uint_t			intr_pri;
659 	ddi_intr_handle_t	*htable;
660 	uint32_t		eims_mask;
661 
662 	kmutex_t		gen_lock; /* General lock for device access */
663 	kmutex_t		watchdog_lock;
664 	kmutex_t		rx_pending_lock;
665 
666 	boolean_t		watchdog_enable;
667 	boolean_t		watchdog_start;
668 	timeout_id_t		watchdog_tid;
669 
670 	boolean_t		unicst_init;
671 	uint32_t		unicst_avail;
672 	uint32_t		unicst_total;
673 	ixgbe_ether_addr_t	unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
674 	uint32_t		mcast_count;
675 	struct ether_addr	mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
676 
677 	ulong_t			sys_page_size;
678 
679 	boolean_t		link_check_complete;
680 	hrtime_t		link_check_hrtime;
681 	ddi_periodic_t		periodic_id; /* for link check timer func */
682 
683 	/*
684 	 * Kstat definitions
685 	 */
686 	kstat_t			*ixgbe_ks;
687 
688 	uint32_t		param_en_10000fdx_cap:1,
689 				param_en_1000fdx_cap:1,
690 				param_en_100fdx_cap:1,
691 				param_adv_10000fdx_cap:1,
692 				param_adv_1000fdx_cap:1,
693 				param_adv_100fdx_cap:1,
694 				param_pause_cap:1,
695 				param_asym_pause_cap:1,
696 				param_rem_fault:1,
697 				param_adv_autoneg_cap:1,
698 				param_adv_pause_cap:1,
699 				param_adv_asym_pause_cap:1,
700 				param_adv_rem_fault:1,
701 				param_lp_10000fdx_cap:1,
702 				param_lp_1000fdx_cap:1,
703 				param_lp_100fdx_cap:1,
704 				param_lp_autoneg_cap:1,
705 				param_lp_pause_cap:1,
706 				param_lp_asym_pause_cap:1,
707 				param_lp_rem_fault:1,
708 				param_pad_to_32:12;
709 } ixgbe_t;
710 
711 typedef struct ixgbe_stat {
712 	kstat_named_t link_speed;	/* Link Speed */
713 
714 	kstat_named_t reset_count;	/* Reset Count */
715 
716 	kstat_named_t rx_frame_error;	/* Rx Error in Packet */
717 	kstat_named_t rx_cksum_error;	/* Rx Checksum Error */
718 	kstat_named_t rx_exceed_pkt;	/* Rx Exceed Max Pkt Count */
719 
720 	kstat_named_t tx_overload;	/* Tx Desc Ring Overload */
721 	kstat_named_t tx_fail_no_tcb;	/* Tx Fail Freelist Empty */
722 	kstat_named_t tx_fail_no_tbd;	/* Tx Fail Desc Ring Empty */
723 	kstat_named_t tx_fail_dma_bind;	/* Tx Fail DMA bind */
724 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
725 
726 	kstat_named_t gprc;	/* Good Packets Received Count */
727 	kstat_named_t gptc;	/* Good Packets Xmitted Count */
728 	kstat_named_t gor;	/* Good Octets Received Count */
729 	kstat_named_t got;	/* Good Octets Xmitd Count */
730 	kstat_named_t prc64;	/* Packets Received - 64b */
731 	kstat_named_t prc127;	/* Packets Received - 65-127b */
732 	kstat_named_t prc255;	/* Packets Received - 127-255b */
733 	kstat_named_t prc511;	/* Packets Received - 256-511b */
734 	kstat_named_t prc1023;	/* Packets Received - 511-1023b */
735 	kstat_named_t prc1522;	/* Packets Received - 1024-1522b */
736 	kstat_named_t ptc64;	/* Packets Xmitted (64b) */
737 	kstat_named_t ptc127;	/* Packets Xmitted (64-127b) */
738 	kstat_named_t ptc255;	/* Packets Xmitted (128-255b) */
739 	kstat_named_t ptc511;	/* Packets Xmitted (255-511b) */
740 	kstat_named_t ptc1023;	/* Packets Xmitted (512-1023b) */
741 	kstat_named_t ptc1522;	/* Packets Xmitted (1024-1522b */
742 	kstat_named_t qprc[16];	/* Queue Packets Received Count */
743 	kstat_named_t qptc[16];	/* Queue Packets Transmitted Count */
744 	kstat_named_t qbrc[16];	/* Queue Bytes Received Count */
745 	kstat_named_t qbtc[16];	/* Queue Bytes Transmitted Count */
746 
747 	kstat_named_t crcerrs;	/* CRC Error Count */
748 	kstat_named_t illerrc;	/* Illegal Byte Error Count */
749 	kstat_named_t errbc;	/* Error Byte Count */
750 	kstat_named_t mspdc;	/* MAC Short Packet Discard Count */
751 	kstat_named_t mpc;	/* Missed Packets Count */
752 	kstat_named_t mlfc;	/* MAC Local Fault Count */
753 	kstat_named_t mrfc;	/* MAC Remote Fault Count */
754 	kstat_named_t rlec;	/* Receive Length Error Count */
755 	kstat_named_t lxontxc;	/* Link XON Transmitted Count */
756 	kstat_named_t lxonrxc;	/* Link XON Received Count */
757 	kstat_named_t lxofftxc;	/* Link XOFF Transmitted Count */
758 	kstat_named_t lxoffrxc;	/* Link XOFF Received Count */
759 	kstat_named_t bprc;	/* Broadcasts Pkts Received Count */
760 	kstat_named_t mprc;	/* Multicast Pkts Received Count */
761 	kstat_named_t rnbc;	/* Receive No Buffers Count */
762 	kstat_named_t ruc;	/* Receive Undersize Count */
763 	kstat_named_t rfc;	/* Receive Frag Count */
764 	kstat_named_t roc;	/* Receive Oversize Count */
765 	kstat_named_t rjc;	/* Receive Jabber Count */
766 	kstat_named_t tor;	/* Total Octets Recvd Count */
767 	kstat_named_t tot;	/* Total Octets Xmitted Count */
768 	kstat_named_t tpr;	/* Total Packets Received */
769 	kstat_named_t tpt;	/* Total Packets Xmitted */
770 	kstat_named_t mptc;	/* Multicast Packets Xmited Count */
771 	kstat_named_t bptc;	/* Broadcast Packets Xmited Count */
772 } ixgbe_stat_t;
773 
774 /*
775  * Function prototypes in ixgbe_buf.c
776  */
777 int ixgbe_alloc_dma(ixgbe_t *);
778 void ixgbe_free_dma(ixgbe_t *);
779 void ixgbe_set_fma_flags(int);
780 void ixgbe_free_dma_buffer(dma_buffer_t *);
781 int ixgbe_alloc_rx_ring_data(ixgbe_rx_ring_t *rx_ring);
782 void ixgbe_free_rx_ring_data(ixgbe_rx_data_t *rx_data);
783 
784 /*
785  * Function prototypes in ixgbe_main.c
786  */
787 int ixgbe_start(ixgbe_t *, boolean_t);
788 void ixgbe_stop(ixgbe_t *, boolean_t);
789 int ixgbe_driver_setup_link(ixgbe_t *, boolean_t);
790 int ixgbe_multicst_add(ixgbe_t *, const uint8_t *);
791 int ixgbe_multicst_remove(ixgbe_t *, const uint8_t *);
792 enum ioc_reply ixgbe_loopback_ioctl(ixgbe_t *, struct iocblk *, mblk_t *);
793 
794 void ixgbe_enable_watchdog_timer(ixgbe_t *);
795 void ixgbe_disable_watchdog_timer(ixgbe_t *);
796 int ixgbe_atomic_reserve(uint32_t *, uint32_t);
797 
798 int ixgbe_check_acc_handle(ddi_acc_handle_t handle);
799 int ixgbe_check_dma_handle(ddi_dma_handle_t handle);
800 void ixgbe_fm_ereport(ixgbe_t *, char *);
801 
802 void ixgbe_fill_ring(void *, mac_ring_type_t, const int, const int,
803     mac_ring_info_t *, mac_ring_handle_t);
804 void ixgbe_fill_group(void *arg, mac_ring_type_t, const int,
805     mac_group_info_t *, mac_group_handle_t);
806 int ixgbe_rx_ring_intr_enable(mac_intr_handle_t);
807 int ixgbe_rx_ring_intr_disable(mac_intr_handle_t);
808 
809 /*
810  * Function prototypes in ixgbe_gld.c
811  */
812 int ixgbe_m_start(void *);
813 void ixgbe_m_stop(void *);
814 int ixgbe_m_promisc(void *, boolean_t);
815 int ixgbe_m_multicst(void *, boolean_t, const uint8_t *);
816 int ixgbe_m_stat(void *, uint_t, uint64_t *);
817 void ixgbe_m_resources(void *);
818 void ixgbe_m_ioctl(void *, queue_t *, mblk_t *);
819 boolean_t ixgbe_m_getcapab(void *, mac_capab_t, void *);
820 int ixgbe_m_setprop(void *, const char *, mac_prop_id_t, uint_t, const void *);
821 int ixgbe_m_getprop(void *, const char *, mac_prop_id_t,
822     uint_t, uint_t, void *, uint_t *);
823 int ixgbe_set_priv_prop(ixgbe_t *, const char *, uint_t, const void *);
824 int ixgbe_get_priv_prop(ixgbe_t *, const char *,
825     uint_t, uint_t, void *, uint_t *);
826 boolean_t ixgbe_param_locked(mac_prop_id_t);
827 
828 /*
829  * Function prototypes in ixgbe_rx.c
830  */
831 mblk_t *ixgbe_ring_rx(ixgbe_rx_ring_t *, int);
832 void ixgbe_rx_recycle(caddr_t arg);
833 mblk_t *ixgbe_ring_rx_poll(void *, int);
834 
835 /*
836  * Function prototypes in ixgbe_tx.c
837  */
838 mblk_t *ixgbe_ring_tx(void *, mblk_t *);
839 void ixgbe_free_tcb(tx_control_block_t *);
840 void ixgbe_put_free_list(ixgbe_tx_ring_t *, link_list_t *);
841 uint32_t ixgbe_tx_recycle_legacy(ixgbe_tx_ring_t *);
842 uint32_t ixgbe_tx_recycle_head_wb(ixgbe_tx_ring_t *);
843 
844 /*
845  * Function prototypes in ixgbe_log.c
846  */
847 void ixgbe_notice(void *, const char *, ...);
848 void ixgbe_log(void *, const char *, ...);
849 void ixgbe_error(void *, const char *, ...);
850 
851 /*
852  * Function prototypes in ixgbe_stat.c
853  */
854 int ixgbe_init_stats(ixgbe_t *);
855 
856 #ifdef __cplusplus
857 }
858 #endif
859 
860 #endif /* _IXGBE_SW_H */
861