xref: /titanic_52/usr/src/uts/common/io/ixgbe/ixgbe_sw.h (revision f9ead4a57883f3ef04ef20d83cc47987d98c0687)
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/fm/io/ddi.h>
71 #include "ixgbe_api.h"
72 
73 #define	MODULE_NAME			"ixgbe"	/* module name */
74 
75 #define	IXGBE_FAILURE			DDI_FAILURE
76 
77 #define	IXGBE_UNKNOWN			0x00
78 #define	IXGBE_INITIALIZED		0x01
79 #define	IXGBE_STARTED			0x02
80 #define	IXGBE_SUSPENDED			0x04
81 
82 #define	MAX_NUM_UNICAST_ADDRESSES 	0x10
83 #define	MAX_NUM_MULTICAST_ADDRESSES 	0x1000
84 #define	IXGBE_INTR_NONE			0
85 #define	IXGBE_INTR_MSIX			1
86 #define	IXGBE_INTR_MSI			2
87 #define	IXGBE_INTR_LEGACY		3
88 
89 #define	IXGBE_POLL_NULL			-1
90 
91 #define	MAX_COOKIE			18
92 #define	MIN_NUM_TX_DESC			2
93 
94 #define	IXGBE_TX_DESC_LIMIT		32	/* tx desc limitation	*/
95 
96 #define	IXGBE_ADAPTER_REGSET		1	/* map adapter registers */
97 
98 #define	IXGBE_RX_STOPPED		0x1
99 
100 /*
101  * MAX_xx_QUEUE_NUM and MAX_INTR_VECTOR values need to be the maximum of all
102  * supported silicon types.
103  */
104 #define	MAX_TX_QUEUE_NUM		128
105 #define	MAX_RX_QUEUE_NUM		128
106 #define	MAX_INTR_VECTOR			64
107 
108 /*
109  * Maximum values for user configurable parameters
110  */
111 #define	MAX_RX_GROUP_NUM		1
112 #define	MAX_TX_RING_SIZE		4096
113 #define	MAX_RX_RING_SIZE		4096
114 
115 #define	MAX_RX_LIMIT_PER_INTR		4096
116 
117 #define	MAX_RX_COPY_THRESHOLD		9216
118 #define	MAX_TX_COPY_THRESHOLD		9216
119 #define	MAX_TX_RECYCLE_THRESHOLD	DEFAULT_TX_RING_SIZE
120 #define	MAX_TX_OVERLOAD_THRESHOLD	DEFAULT_TX_RING_SIZE
121 #define	MAX_TX_RESCHED_THRESHOLD	DEFAULT_TX_RING_SIZE
122 
123 /*
124  * Minimum values for user configurable parameters
125  */
126 #define	MIN_RX_GROUP_NUM		1
127 #define	MIN_TX_RING_SIZE		64
128 #define	MIN_RX_RING_SIZE		64
129 
130 #define	MIN_MTU				ETHERMIN
131 #define	MIN_RX_LIMIT_PER_INTR		16
132 #define	MIN_TX_COPY_THRESHOLD		0
133 #define	MIN_RX_COPY_THRESHOLD		0
134 #define	MIN_TX_RECYCLE_THRESHOLD	MIN_NUM_TX_DESC
135 #define	MIN_TX_OVERLOAD_THRESHOLD	MIN_NUM_TX_DESC
136 #define	MIN_TX_RESCHED_THRESHOLD	MIN_NUM_TX_DESC
137 
138 /*
139  * Default values for user configurable parameters
140  */
141 #define	DEFAULT_RX_GROUP_NUM		1
142 #define	DEFAULT_TX_RING_SIZE		1024
143 #define	DEFAULT_RX_RING_SIZE		1024
144 
145 #define	DEFAULT_MTU			ETHERMTU
146 #define	DEFAULT_RX_LIMIT_PER_INTR	256
147 #define	DEFAULT_RX_COPY_THRESHOLD	128
148 #define	DEFAULT_TX_COPY_THRESHOLD	512
149 #define	DEFAULT_TX_RECYCLE_THRESHOLD	(MAX_COOKIE + 1)
150 #define	DEFAULT_TX_OVERLOAD_THRESHOLD	MIN_NUM_TX_DESC
151 #define	DEFAULT_TX_RESCHED_THRESHOLD	128
152 #define	DEFAULT_FCRTH			0x20000
153 #define	DEFAULT_FCRTL			0x10000
154 #define	DEFAULT_FCPAUSE			0xFFFF
155 
156 #define	DEFAULT_TX_HCKSUM_ENABLE	B_TRUE
157 #define	DEFAULT_RX_HCKSUM_ENABLE	B_TRUE
158 #define	DEFAULT_LSO_ENABLE		B_TRUE
159 #define	DEFAULT_MR_ENABLE		B_TRUE
160 #define	DEFAULT_TX_HEAD_WB_ENABLE	B_TRUE
161 
162 #define	IXGBE_LSO_MAXLEN		65535
163 
164 #define	TX_DRAIN_TIME			200
165 #define	RX_DRAIN_TIME			200
166 
167 #define	STALL_WATCHDOG_TIMEOUT		8	/* 8 seconds */
168 #define	MAX_LINK_DOWN_TIMEOUT		8	/* 8 seconds */
169 
170 /*
171  * Extra register bit masks for 82598
172  */
173 #define	IXGBE_PCS1GANA_FDC	0x20
174 #define	IXGBE_PCS1GANLP_LPFD	0x20
175 #define	IXGBE_PCS1GANLP_LPHD	0x40
176 
177 /*
178  * Defined for IP header alignment.
179  */
180 #define	IPHDR_ALIGN_ROOM		2
181 
182 /*
183  * Bit flags for attach_progress
184  */
185 #define	ATTACH_PROGRESS_PCI_CONFIG	0x0001	/* PCI config setup */
186 #define	ATTACH_PROGRESS_REGS_MAP	0x0002	/* Registers mapped */
187 #define	ATTACH_PROGRESS_PROPS		0x0004	/* Properties initialized */
188 #define	ATTACH_PROGRESS_ALLOC_INTR	0x0008	/* Interrupts allocated */
189 #define	ATTACH_PROGRESS_ALLOC_RINGS	0x0010	/* Rings allocated */
190 #define	ATTACH_PROGRESS_ADD_INTR	0x0020	/* Intr handlers added */
191 #define	ATTACH_PROGRESS_LOCKS		0x0040	/* Locks initialized */
192 #define	ATTACH_PROGRESS_INIT		0x0080	/* Device initialized */
193 #define	ATTACH_PROGRESS_STATS		0x0200	/* Kstats created */
194 #define	ATTACH_PROGRESS_MAC		0x0800	/* MAC registered */
195 #define	ATTACH_PROGRESS_ENABLE_INTR	0x1000	/* DDI interrupts enabled */
196 #define	ATTACH_PROGRESS_FM_INIT		0x2000	/* FMA initialized */
197 #define	ATTACH_PROGRESS_LSC_TASKQ	0x4000	/* LSC taskq created */
198 
199 #define	PROP_DEFAULT_MTU		"default_mtu"
200 #define	PROP_FLOW_CONTROL		"flow_control"
201 #define	PROP_TX_QUEUE_NUM		"tx_queue_number"
202 #define	PROP_TX_RING_SIZE		"tx_ring_size"
203 #define	PROP_RX_QUEUE_NUM		"rx_queue_number"
204 #define	PROP_RX_RING_SIZE		"rx_ring_size"
205 #define	PROP_RX_GROUP_NUM		"rx_group_number"
206 
207 #define	PROP_INTR_FORCE			"intr_force"
208 #define	PROP_TX_HCKSUM_ENABLE		"tx_hcksum_enable"
209 #define	PROP_RX_HCKSUM_ENABLE		"rx_hcksum_enable"
210 #define	PROP_LSO_ENABLE			"lso_enable"
211 #define	PROP_MR_ENABLE			"mr_enable"
212 #define	PROP_TX_HEAD_WB_ENABLE		"tx_head_wb_enable"
213 #define	PROP_TX_COPY_THRESHOLD		"tx_copy_threshold"
214 #define	PROP_TX_RECYCLE_THRESHOLD	"tx_recycle_threshold"
215 #define	PROP_TX_OVERLOAD_THRESHOLD	"tx_overload_threshold"
216 #define	PROP_TX_RESCHED_THRESHOLD	"tx_resched_threshold"
217 #define	PROP_RX_COPY_THRESHOLD		"rx_copy_threshold"
218 #define	PROP_RX_LIMIT_PER_INTR		"rx_limit_per_intr"
219 #define	PROP_INTR_THROTTLING		"intr_throttling"
220 #define	PROP_FM_CAPABLE			"fm_capable"
221 
222 #define	IXGBE_LB_NONE			0
223 #define	IXGBE_LB_EXTERNAL		1
224 #define	IXGBE_LB_INTERNAL_MAC		2
225 #define	IXGBE_LB_INTERNAL_PHY		3
226 #define	IXGBE_LB_INTERNAL_SERDES	4
227 
228 /*
229  * capability/feature flags
230  * Flags named _CAPABLE are set when the NIC hardware is capable of the feature.
231  * Separately, the flag named _ENABLED is set when the feature is enabled.
232  */
233 #define	IXGBE_FLAG_DCA_ENABLED		(u32)(1)
234 #define	IXGBE_FLAG_DCA_CAPABLE		(u32)(1 << 1)
235 #define	IXGBE_FLAG_DCB_ENABLED		(u32)(1 << 2)
236 #define	IXGBE_FLAG_DCB_CAPABLE		(u32)(1 << 4)
237 #define	IXGBE_FLAG_RSS_ENABLED		(u32)(1 << 4)
238 #define	IXGBE_FLAG_RSS_CAPABLE		(u32)(1 << 5)
239 #define	IXGBE_FLAG_VMDQ_CAPABLE		(u32)(1 << 6)
240 #define	IXGBE_FLAG_VMDQ_ENABLED		(u32)(1 << 7)
241 #define	IXGBE_FLAG_FAN_FAIL_CAPABLE	(u32)(1 << 8)
242 
243 /* adapter-specific info for each supported device type */
244 typedef struct adapter_info {
245 	uint32_t	max_rx_que_num;	/* maximum number of rx queues */
246 	uint32_t	min_rx_que_num;	/* minimum number of rx queues */
247 	uint32_t	def_rx_que_num;	/* default number of rx queues */
248 	uint32_t	max_tx_que_num;	/* maximum number of tx queues */
249 	uint32_t	min_tx_que_num;	/* minimum number of tx queues */
250 	uint32_t	def_tx_que_num;	/* default number of tx queues */
251 	uint32_t	max_mtu;	/* maximum MTU size */
252 	/*
253 	 * Interrupt throttling is in unit of 256 nsec
254 	 */
255 	uint32_t	max_intr_throttle; /* maximum interrupt throttle */
256 	uint32_t	min_intr_throttle; /* minimum interrupt throttle */
257 	uint32_t	def_intr_throttle; /* default interrupt throttle */
258 
259 	uint32_t	max_msix_vect;	/* maximum total msix vectors */
260 	uint32_t	max_ring_vect;	/* maximum number of ring vectors */
261 	uint32_t	max_other_vect;	/* maximum number of other vectors */
262 	uint32_t	other_intr;	/* "other" interrupt types handled */
263 	uint32_t	flags;		/* capability flags */
264 } adapter_info_t;
265 
266 /* bits representing all interrupt types other than tx & rx */
267 #define	IXGBE_OTHER_INTR	0x3ff00000
268 #define	IXGBE_82599_OTHER_INTR	0x86100000
269 
270 enum ioc_reply {
271 	IOC_INVAL = -1,	/* bad, NAK with EINVAL */
272 	IOC_DONE, 	/* OK, reply sent */
273 	IOC_ACK,	/* OK, just send ACK */
274 	IOC_REPLY	/* OK, just send reply */
275 };
276 
277 #define	DMA_SYNC(area, flag)	((void) ddi_dma_sync((area)->dma_handle, \
278 				    0, 0, (flag)))
279 
280 /*
281  * Defined for ring index operations
282  * ASSERT(index < limit)
283  * ASSERT(step < limit)
284  * ASSERT(index1 < limit)
285  * ASSERT(index2 < limit)
286  */
287 #define	NEXT_INDEX(index, step, limit)	(((index) + (step)) < (limit) ? \
288 	(index) + (step) : (index) + (step) - (limit))
289 #define	PREV_INDEX(index, step, limit)	((index) >= (step) ? \
290 	(index) - (step) : (index) + (limit) - (step))
291 #define	OFFSET(index1, index2, limit)	((index1) <= (index2) ? \
292 	(index2) - (index1) : (index2) + (limit) - (index1))
293 
294 #define	LINK_LIST_INIT(_LH)	\
295 	(_LH)->head = (_LH)->tail = NULL
296 
297 #define	LIST_GET_HEAD(_LH)	((single_link_t *)((_LH)->head))
298 
299 #define	LIST_POP_HEAD(_LH)	\
300 	(single_link_t *)(_LH)->head; \
301 	{ \
302 		if ((_LH)->head != NULL) { \
303 			(_LH)->head = (_LH)->head->link; \
304 			if ((_LH)->head == NULL) \
305 				(_LH)->tail = NULL; \
306 		} \
307 	}
308 
309 #define	LIST_GET_TAIL(_LH)	((single_link_t *)((_LH)->tail))
310 
311 #define	LIST_PUSH_TAIL(_LH, _E)	\
312 	if ((_LH)->tail != NULL) { \
313 		(_LH)->tail->link = (single_link_t *)(_E); \
314 		(_LH)->tail = (single_link_t *)(_E); \
315 	} else { \
316 		(_LH)->head = (_LH)->tail = (single_link_t *)(_E); \
317 	} \
318 	(_E)->link = NULL;
319 
320 #define	LIST_GET_NEXT(_LH, _E)		\
321 	(((_LH)->tail == (single_link_t *)(_E)) ? \
322 	NULL : ((single_link_t *)(_E))->link)
323 
324 
325 typedef struct single_link {
326 	struct single_link	*link;
327 } single_link_t;
328 
329 typedef struct link_list {
330 	single_link_t		*head;
331 	single_link_t		*tail;
332 } link_list_t;
333 
334 /*
335  * Property lookups
336  */
337 #define	IXGBE_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d), \
338 				    DDI_PROP_DONTPASS, (n))
339 #define	IXGBE_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d), \
340 				    DDI_PROP_DONTPASS, (n), -1)
341 
342 
343 typedef union ixgbe_ether_addr {
344 	struct {
345 		uint32_t	high;
346 		uint32_t	low;
347 	} reg;
348 	struct {
349 		uint8_t		set;
350 		uint8_t		redundant;
351 		uint8_t		addr[ETHERADDRL];
352 	} mac;
353 } ixgbe_ether_addr_t;
354 
355 typedef enum {
356 	USE_NONE,
357 	USE_COPY,
358 	USE_DMA
359 } tx_type_t;
360 
361 typedef struct ixgbe_tx_context {
362 	uint32_t		hcksum_flags;
363 	uint32_t		ip_hdr_len;
364 	uint32_t		mac_hdr_len;
365 	uint32_t		l4_proto;
366 	uint32_t		mss;
367 	uint32_t		l4_hdr_len;
368 	boolean_t		lso_flag;
369 } ixgbe_tx_context_t;
370 
371 /*
372  * Hold address/length of each DMA segment
373  */
374 typedef struct sw_desc {
375 	uint64_t		address;
376 	size_t			length;
377 } sw_desc_t;
378 
379 /*
380  * Handles and addresses of DMA buffer
381  */
382 typedef struct dma_buffer {
383 	caddr_t			address;	/* Virtual address */
384 	uint64_t		dma_address;	/* DMA (Hardware) address */
385 	ddi_acc_handle_t	acc_handle;	/* Data access handle */
386 	ddi_dma_handle_t	dma_handle;	/* DMA handle */
387 	size_t			size;		/* Buffer size */
388 	size_t			len;		/* Data length in the buffer */
389 } dma_buffer_t;
390 
391 /*
392  * Tx Control Block
393  */
394 typedef struct tx_control_block {
395 	single_link_t		link;
396 	uint32_t		last_index; /* last descriptor of the pkt */
397 	uint32_t		frag_num;
398 	uint32_t		desc_num;
399 	mblk_t			*mp;
400 	tx_type_t		tx_type;
401 	ddi_dma_handle_t	tx_dma_handle;
402 	dma_buffer_t		tx_buf;
403 	sw_desc_t		desc[MAX_COOKIE];
404 } tx_control_block_t;
405 
406 /*
407  * RX Control Block
408  */
409 typedef struct rx_control_block {
410 	mblk_t			*mp;
411 	uint32_t		ref_cnt;
412 	dma_buffer_t		rx_buf;
413 	frtn_t			free_rtn;
414 	struct ixgbe_rx_data	*rx_data;
415 } rx_control_block_t;
416 
417 /*
418  * Software Data Structure for Tx Ring
419  */
420 typedef struct ixgbe_tx_ring {
421 	uint32_t		index;	/* Ring index */
422 	uint32_t		intr_vector;	/* Interrupt vector index */
423 	uint32_t		vect_bit;	/* vector's bit in register */
424 
425 	/*
426 	 * Mutexes
427 	 */
428 	kmutex_t		tx_lock;
429 	kmutex_t		recycle_lock;
430 	kmutex_t		tcb_head_lock;
431 	kmutex_t		tcb_tail_lock;
432 
433 	/*
434 	 * Tx descriptor ring definitions
435 	 */
436 	dma_buffer_t		tbd_area;
437 	union ixgbe_adv_tx_desc	*tbd_ring;
438 	uint32_t		tbd_head; /* Index of next tbd to recycle */
439 	uint32_t		tbd_tail; /* Index of next tbd to transmit */
440 	uint32_t		tbd_free; /* Number of free tbd */
441 
442 	/*
443 	 * Tx control block list definitions
444 	 */
445 	tx_control_block_t	*tcb_area;
446 	tx_control_block_t	**work_list;
447 	tx_control_block_t	**free_list;
448 	uint32_t		tcb_head; /* Head index of free list */
449 	uint32_t		tcb_tail; /* Tail index of free list */
450 	uint32_t		tcb_free; /* Number of free tcb in free list */
451 
452 	uint32_t		*tbd_head_wb; /* Head write-back */
453 	uint32_t		(*tx_recycle)(struct ixgbe_tx_ring *);
454 
455 	/*
456 	 * s/w context structure for TCP/UDP checksum offload
457 	 * and LSO.
458 	 */
459 	ixgbe_tx_context_t	tx_context;
460 
461 	/*
462 	 * Tx ring settings and status
463 	 */
464 	uint32_t		ring_size; /* Tx descriptor ring size */
465 	uint32_t		free_list_size;	/* Tx free list size */
466 
467 	boolean_t		reschedule;
468 	uint32_t		recycle_fail;
469 	uint32_t		stall_watchdog;
470 
471 #ifdef IXGBE_DEBUG
472 	/*
473 	 * Debug statistics
474 	 */
475 	uint32_t		stat_overload;
476 	uint32_t		stat_fail_no_tbd;
477 	uint32_t		stat_fail_no_tcb;
478 	uint32_t		stat_fail_dma_bind;
479 	uint32_t		stat_reschedule;
480 	uint32_t		stat_break_tbd_limit;
481 	uint32_t		stat_lso_header_fail;
482 #endif
483 
484 	mac_ring_handle_t	ring_handle;
485 
486 	/*
487 	 * Pointer to the ixgbe struct
488 	 */
489 	struct ixgbe		*ixgbe;
490 } ixgbe_tx_ring_t;
491 
492 /*
493  * Software Receive Ring
494  */
495 typedef struct ixgbe_rx_data {
496 	kmutex_t		recycle_lock;	/* Recycle lock, for rcb_tail */
497 
498 	/*
499 	 * Rx descriptor ring definitions
500 	 */
501 	dma_buffer_t		rbd_area;	/* DMA buffer of rx desc ring */
502 	union ixgbe_adv_rx_desc	*rbd_ring;	/* Rx desc ring */
503 	uint32_t		rbd_next;	/* Index of next rx desc */
504 
505 	/*
506 	 * Rx control block list definitions
507 	 */
508 	rx_control_block_t	*rcb_area;
509 	rx_control_block_t	**work_list;	/* Work list of rcbs */
510 	rx_control_block_t	**free_list;	/* Free list of rcbs */
511 	uint32_t		rcb_head;	/* Index of next free rcb */
512 	uint32_t		rcb_tail;	/* Index to put recycled rcb */
513 	uint32_t		rcb_free;	/* Number of free rcbs */
514 
515 	/*
516 	 * Rx sw ring settings and status
517 	 */
518 	uint32_t		ring_size;	/* Rx descriptor ring size */
519 	uint32_t		free_list_size;	/* Rx free list size */
520 
521 	uint32_t		rcb_pending;
522 	uint32_t		flag;
523 
524 	struct ixgbe_rx_ring	*rx_ring;	/* Pointer to rx ring */
525 } ixgbe_rx_data_t;
526 
527 /*
528  * Software Data Structure for Rx Ring
529  */
530 typedef struct ixgbe_rx_ring {
531 	uint32_t		index;		/* Ring index */
532 	uint32_t		intr_vector;	/* Interrupt vector index */
533 	uint32_t		vect_bit;	/* vector's bit in register */
534 
535 	ixgbe_rx_data_t		*rx_data;	/* Rx software ring */
536 
537 	kmutex_t		rx_lock;	/* Rx access lock */
538 
539 #ifdef IXGBE_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 #endif
547 
548 	mac_ring_handle_t	ring_handle;
549 	uint64_t		ring_gen_num;
550 
551 	struct ixgbe		*ixgbe;		/* Pointer to ixgbe struct */
552 } ixgbe_rx_ring_t;
553 /*
554  * Software Receive Ring Group
555  */
556 typedef struct ixgbe_rx_group {
557 	uint32_t		index;		/* Group index */
558 	mac_group_handle_t	group_handle;   /* call back group handle */
559 	struct ixgbe		*ixgbe;		/* Pointer to ixgbe struct */
560 } ixgbe_rx_group_t;
561 
562 /*
563  * structure to map interrupt cleanup to msi-x vector
564  */
565 typedef struct ixgbe_intr_vector {
566 	struct ixgbe *ixgbe;	/* point to my adapter */
567 	ulong_t rx_map[BT_BITOUL(MAX_RX_QUEUE_NUM)];	/* bitmap of rx rings */
568 	int	rxr_cnt;	/* count rx rings */
569 	ulong_t tx_map[BT_BITOUL(MAX_TX_QUEUE_NUM)];	/* bitmap of tx rings */
570 	int	txr_cnt;	/* count tx rings */
571 	ulong_t other_map[BT_BITOUL(2)];		/* bitmap of other */
572 	int	other_cnt;	/* count other interrupt */
573 } ixgbe_intr_vector_t;
574 
575 /*
576  * Software adapter state
577  */
578 typedef struct ixgbe {
579 	int 			instance;
580 	mac_handle_t		mac_hdl;
581 	dev_info_t		*dip;
582 	struct ixgbe_hw		hw;
583 	struct ixgbe_osdep	osdep;
584 
585 	adapter_info_t		*capab;	/* adapter hardware capabilities */
586 	ddi_taskq_t		*lsc_taskq;	/* link-status-change taskq */
587 	uint32_t		eims;		/* interrupt mask setting */
588 	uint32_t		eimc;		/* interrupt mask clear */
589 	uint32_t		eicr;		/* interrupt cause reg */
590 
591 	uint32_t		ixgbe_state;
592 	link_state_t		link_state;
593 	uint32_t		link_speed;
594 	uint32_t		link_duplex;
595 	uint32_t		link_down_timeout;
596 
597 	uint32_t		reset_count;
598 	uint32_t		attach_progress;
599 	uint32_t		loopback_mode;
600 	uint32_t		default_mtu;
601 	uint32_t		max_frame_size;
602 
603 	uint32_t		rcb_pending;
604 
605 	/*
606 	 * Each msi-x vector: map vector to interrupt cleanup
607 	 */
608 	ixgbe_intr_vector_t	vect_map[MAX_INTR_VECTOR];
609 
610 	/*
611 	 * Receive Rings
612 	 */
613 	ixgbe_rx_ring_t		*rx_rings;	/* Array of rx rings */
614 	uint32_t		num_rx_rings;	/* Number of rx rings in use */
615 	uint32_t		rx_ring_size;	/* Rx descriptor ring size */
616 	uint32_t		rx_buf_size;	/* Rx buffer size */
617 
618 	/*
619 	 * Receive Groups
620 	 */
621 	ixgbe_rx_group_t	*rx_groups;	/* Array of rx groups */
622 	uint32_t		num_rx_groups;	/* Number of rx groups in use */
623 
624 	/*
625 	 * Transmit Rings
626 	 */
627 	ixgbe_tx_ring_t		*tx_rings;	/* Array of tx rings */
628 	uint32_t		num_tx_rings;	/* Number of tx rings in use */
629 	uint32_t		tx_ring_size;	/* Tx descriptor ring size */
630 	uint32_t		tx_buf_size;	/* Tx buffer size */
631 
632 	boolean_t		tx_ring_init;
633 	boolean_t		tx_head_wb_enable; /* Tx head wrtie-back */
634 	boolean_t		tx_hcksum_enable; /* Tx h/w cksum offload */
635 	boolean_t 		lso_enable; 	/* Large Segment Offload */
636 	boolean_t 		mr_enable; 	/* Multiple Tx and Rx Ring */
637 	uint32_t		tx_copy_thresh;	/* Tx copy threshold */
638 	uint32_t		tx_recycle_thresh; /* Tx recycle threshold */
639 	uint32_t		tx_overload_thresh; /* Tx overload threshold */
640 	uint32_t		tx_resched_thresh; /* Tx reschedule threshold */
641 	boolean_t		rx_hcksum_enable; /* Rx h/w cksum offload */
642 	uint32_t		rx_copy_thresh; /* Rx copy threshold */
643 	uint32_t		rx_limit_per_intr; /* Rx pkts per interrupt */
644 	uint32_t		intr_throttling[MAX_INTR_VECTOR];
645 	uint32_t		intr_force;
646 	int			fm_capabilities; /* FMA capabilities */
647 
648 	int			intr_type;
649 	int			intr_cnt;
650 	int			intr_cap;
651 	size_t			intr_size;
652 	uint_t			intr_pri;
653 	ddi_intr_handle_t	*htable;
654 	uint32_t		eims_mask;
655 
656 	kmutex_t		gen_lock; /* General lock for device access */
657 	kmutex_t		watchdog_lock;
658 	kmutex_t		rx_pending_lock;
659 
660 	boolean_t		watchdog_enable;
661 	boolean_t		watchdog_start;
662 	timeout_id_t		watchdog_tid;
663 
664 	boolean_t		unicst_init;
665 	uint32_t		unicst_avail;
666 	uint32_t		unicst_total;
667 	ixgbe_ether_addr_t	unicst_addr[MAX_NUM_UNICAST_ADDRESSES];
668 	uint32_t		mcast_count;
669 	struct ether_addr	mcast_table[MAX_NUM_MULTICAST_ADDRESSES];
670 
671 	ulong_t			sys_page_size;
672 
673 	/*
674 	 * Kstat definitions
675 	 */
676 	kstat_t			*ixgbe_ks;
677 
678 	uint32_t		param_en_10000fdx_cap:1,
679 				param_en_1000fdx_cap:1,
680 				param_en_100fdx_cap:1,
681 				param_adv_10000fdx_cap:1,
682 				param_adv_1000fdx_cap:1,
683 				param_adv_100fdx_cap:1,
684 				param_pause_cap:1,
685 				param_asym_pause_cap:1,
686 				param_rem_fault:1,
687 				param_adv_autoneg_cap:1,
688 				param_adv_pause_cap:1,
689 				param_adv_asym_pause_cap:1,
690 				param_adv_rem_fault:1,
691 				param_lp_10000fdx_cap:1,
692 				param_lp_1000fdx_cap:1,
693 				param_lp_100fdx_cap:1,
694 				param_lp_autoneg_cap:1,
695 				param_lp_pause_cap:1,
696 				param_lp_asym_pause_cap:1,
697 				param_lp_rem_fault:1,
698 				param_pad_to_32:12;
699 } ixgbe_t;
700 
701 typedef struct ixgbe_stat {
702 	kstat_named_t link_speed;	/* Link Speed */
703 
704 	kstat_named_t reset_count;	/* Reset Count */
705 
706 	kstat_named_t rx_frame_error;	/* Rx Error in Packet */
707 	kstat_named_t rx_cksum_error;	/* Rx Checksum Error */
708 	kstat_named_t rx_exceed_pkt;	/* Rx Exceed Max Pkt Count */
709 
710 	kstat_named_t tx_overload;	/* Tx Desc Ring Overload */
711 	kstat_named_t tx_fail_no_tcb;	/* Tx Fail Freelist Empty */
712 	kstat_named_t tx_fail_no_tbd;	/* Tx Fail Desc Ring Empty */
713 	kstat_named_t tx_fail_dma_bind;	/* Tx Fail DMA bind */
714 	kstat_named_t tx_reschedule;	/* Tx Reschedule */
715 
716 	kstat_named_t gprc;	/* Good Packets Received Count */
717 	kstat_named_t gptc;	/* Good Packets Xmitted Count */
718 	kstat_named_t gor;	/* Good Octets Received Count */
719 	kstat_named_t got;	/* Good Octets Xmitd Count */
720 	kstat_named_t prc64;	/* Packets Received - 64b */
721 	kstat_named_t prc127;	/* Packets Received - 65-127b */
722 	kstat_named_t prc255;	/* Packets Received - 127-255b */
723 	kstat_named_t prc511;	/* Packets Received - 256-511b */
724 	kstat_named_t prc1023;	/* Packets Received - 511-1023b */
725 	kstat_named_t prc1522;	/* Packets Received - 1024-1522b */
726 	kstat_named_t ptc64;	/* Packets Xmitted (64b) */
727 	kstat_named_t ptc127;	/* Packets Xmitted (64-127b) */
728 	kstat_named_t ptc255;	/* Packets Xmitted (128-255b) */
729 	kstat_named_t ptc511;	/* Packets Xmitted (255-511b) */
730 	kstat_named_t ptc1023;	/* Packets Xmitted (512-1023b) */
731 	kstat_named_t ptc1522;	/* Packets Xmitted (1024-1522b */
732 	kstat_named_t qprc[16];	/* Queue Packets Received Count */
733 	kstat_named_t qptc[16];	/* Queue Packets Transmitted Count */
734 	kstat_named_t qbrc[16];	/* Queue Bytes Received Count */
735 	kstat_named_t qbtc[16];	/* Queue Bytes Transmitted Count */
736 
737 	kstat_named_t crcerrs;	/* CRC Error Count */
738 	kstat_named_t illerrc;	/* Illegal Byte Error Count */
739 	kstat_named_t errbc;	/* Error Byte Count */
740 	kstat_named_t mspdc;	/* MAC Short Packet Discard Count */
741 	kstat_named_t mpc;	/* Missed Packets Count */
742 	kstat_named_t mlfc;	/* MAC Local Fault Count */
743 	kstat_named_t mrfc;	/* MAC Remote Fault Count */
744 	kstat_named_t rlec;	/* Receive Length Error Count */
745 	kstat_named_t lxontxc;	/* Link XON Transmitted Count */
746 	kstat_named_t lxonrxc;	/* Link XON Received Count */
747 	kstat_named_t lxofftxc;	/* Link XOFF Transmitted Count */
748 	kstat_named_t lxoffrxc;	/* Link XOFF Received Count */
749 	kstat_named_t bprc;	/* Broadcasts Pkts Received Count */
750 	kstat_named_t mprc;	/* Multicast Pkts Received Count */
751 	kstat_named_t rnbc;	/* Receive No Buffers Count */
752 	kstat_named_t ruc;	/* Receive Undersize Count */
753 	kstat_named_t rfc;	/* Receive Frag Count */
754 	kstat_named_t roc;	/* Receive Oversize Count */
755 	kstat_named_t rjc;	/* Receive Jabber Count */
756 	kstat_named_t tor;	/* Total Octets Recvd Count */
757 	kstat_named_t tot;	/* Total Octets Xmitted Count */
758 	kstat_named_t tpr;	/* Total Packets Received */
759 	kstat_named_t tpt;	/* Total Packets Xmitted */
760 	kstat_named_t mptc;	/* Multicast Packets Xmited Count */
761 	kstat_named_t bptc;	/* Broadcast Packets Xmited Count */
762 } ixgbe_stat_t;
763 
764 /*
765  * Function prototypes in ixgbe_buf.c
766  */
767 int ixgbe_alloc_dma(ixgbe_t *);
768 void ixgbe_free_dma(ixgbe_t *);
769 void ixgbe_set_fma_flags(int, int);
770 void ixgbe_free_dma_buffer(dma_buffer_t *);
771 int ixgbe_alloc_rx_ring_data(ixgbe_rx_ring_t *rx_ring);
772 void ixgbe_free_rx_ring_data(ixgbe_rx_data_t *rx_data);
773 
774 /*
775  * Function prototypes in ixgbe_main.c
776  */
777 int ixgbe_start(ixgbe_t *, boolean_t);
778 void ixgbe_stop(ixgbe_t *, boolean_t);
779 int ixgbe_driver_setup_link(ixgbe_t *, boolean_t);
780 int ixgbe_multicst_add(ixgbe_t *, const uint8_t *);
781 int ixgbe_multicst_remove(ixgbe_t *, const uint8_t *);
782 enum ioc_reply ixgbe_loopback_ioctl(ixgbe_t *, struct iocblk *, mblk_t *);
783 
784 void ixgbe_enable_watchdog_timer(ixgbe_t *);
785 void ixgbe_disable_watchdog_timer(ixgbe_t *);
786 int ixgbe_atomic_reserve(uint32_t *, uint32_t);
787 
788 int ixgbe_check_acc_handle(ddi_acc_handle_t handle);
789 int ixgbe_check_dma_handle(ddi_dma_handle_t handle);
790 void ixgbe_fm_ereport(ixgbe_t *, char *);
791 
792 void ixgbe_fill_ring(void *, mac_ring_type_t, const int, const int,
793     mac_ring_info_t *, mac_ring_handle_t);
794 void ixgbe_fill_group(void *arg, mac_ring_type_t, const int,
795     mac_group_info_t *, mac_group_handle_t);
796 int ixgbe_rx_ring_intr_enable(mac_intr_handle_t);
797 int ixgbe_rx_ring_intr_disable(mac_intr_handle_t);
798 
799 /*
800  * Function prototypes in ixgbe_gld.c
801  */
802 int ixgbe_m_start(void *);
803 void ixgbe_m_stop(void *);
804 int ixgbe_m_promisc(void *, boolean_t);
805 int ixgbe_m_multicst(void *, boolean_t, const uint8_t *);
806 int ixgbe_m_stat(void *, uint_t, uint64_t *);
807 void ixgbe_m_resources(void *);
808 void ixgbe_m_ioctl(void *, queue_t *, mblk_t *);
809 boolean_t ixgbe_m_getcapab(void *, mac_capab_t, void *);
810 int ixgbe_m_setprop(void *, const char *, mac_prop_id_t, uint_t, const void *);
811 int ixgbe_m_getprop(void *, const char *, mac_prop_id_t,
812     uint_t, uint_t, void *, uint_t *);
813 int ixgbe_set_priv_prop(ixgbe_t *, const char *, uint_t, const void *);
814 int ixgbe_get_priv_prop(ixgbe_t *, const char *,
815     uint_t, uint_t, void *, uint_t *);
816 boolean_t ixgbe_param_locked(mac_prop_id_t);
817 
818 /*
819  * Function prototypes in ixgbe_rx.c
820  */
821 mblk_t *ixgbe_ring_rx(ixgbe_rx_ring_t *, int);
822 void ixgbe_rx_recycle(caddr_t arg);
823 mblk_t *ixgbe_ring_rx_poll(void *, int);
824 
825 /*
826  * Function prototypes in ixgbe_tx.c
827  */
828 mblk_t *ixgbe_ring_tx(void *, mblk_t *);
829 void ixgbe_free_tcb(tx_control_block_t *);
830 void ixgbe_put_free_list(ixgbe_tx_ring_t *, link_list_t *);
831 uint32_t ixgbe_tx_recycle_legacy(ixgbe_tx_ring_t *);
832 uint32_t ixgbe_tx_recycle_head_wb(ixgbe_tx_ring_t *);
833 
834 /*
835  * Function prototypes in ixgbe_log.c
836  */
837 void ixgbe_notice(void *, const char *, ...);
838 void ixgbe_log(void *, const char *, ...);
839 void ixgbe_error(void *, const char *, ...);
840 
841 /*
842  * Function prototypes in ixgbe_stat.c
843  */
844 int ixgbe_init_stats(ixgbe_t *);
845 
846 #ifdef __cplusplus
847 }
848 #endif
849 
850 #endif /* _IXGBE_SW_H */
851