1/*
2 *  sfe_util.h: header to support the gem layer used by Masa Murayama
3 *
4 * Copyright (c) 2002-2008 Masayuki Murayama.  All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions are met:
8 *
9 * 1. Redistributions of source code must retain the above copyright notice,
10 *    this list of conditions and the following disclaimer.
11 *
12 * 2. Redistributions in binary form must reproduce the above copyright notice,
13 *    this list of conditions and the following disclaimer in the documentation
14 *    and/or other materials provided with the distribution.
15 *
16 * 3. Neither the name of the author nor the names of its contributors may be
17 *    used to endorse or promote products derived from this software without
18 *    specific prior written permission.
19 *
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
27 * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED
28 * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
30 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH
31 * DAMAGE.
32 */
33
34/*
35 * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
36 * Use is subject to license terms.
37 */
38
39#ifndef _SFE_UTIL_H_
40#define	_SFE_UTIL_H_
41#include <sys/mac_provider.h>
42#include <sys/mac_ether.h>
43
44/*
45 * Useful macros and typedefs
46 */
47
48#define	GEM_NAME_LEN	32
49
50#define	GEM_TX_TIMEOUT		(drv_usectohz(5*1000000))
51#define	GEM_TX_TIMEOUT_INTERVAL	(drv_usectohz(1*1000000))
52#define	GEM_LINK_WATCH_INTERVAL	(drv_usectohz(1*1000000))	/* 1 sec */
53
54/* general return code */
55#define	GEM_SUCCESS	0
56#define	GEM_FAILURE	(-1)
57
58/* return code of gem_tx_done */
59#define	INTR_RESTART_TX	0x80000000
60
61typedef	int32_t		seqnum_t;
62
63/*
64 * I/O instructions
65 */
66#define	OUTB(dp, p, v)	\
67	ddi_put8((dp)->regs_handle, \
68		(void *)((caddr_t)((dp)->base_addr) + (p)), v)
69#define	OUTW(dp, p, v)	\
70	ddi_put16((dp)->regs_handle, \
71		(void *)((caddr_t)((dp)->base_addr) + (p)), v)
72#define	OUTL(dp, p, v)  \
73	ddi_put32((dp)->regs_handle, \
74	    (void *)((caddr_t)((dp)->base_addr) + (p)), v)
75#define	OUTLINL(dp, p, v) \
76	ddi_put32((dp)->regs_handle, \
77	    (void *)((caddr_t)((dp)->base_addr) + (p)), v); \
78	(void) INL((dp), (p))
79#define	INB(dp, p)	\
80	ddi_get8((dp)->regs_handle, \
81		(void *)(((caddr_t)(dp)->base_addr) + (p)))
82#define	INW(dp, p)	\
83	ddi_get16((dp)->regs_handle, \
84		(void *)(((caddr_t)(dp)->base_addr) + (p)))
85#define	INL(dp, p)	\
86	ddi_get32((dp)->regs_handle, \
87		(void *)(((caddr_t)(dp)->base_addr) + (p)))
88
89struct gem_stats {
90	uint32_t	intr;
91
92	uint32_t	crc;
93	uint32_t	errrcv;
94	uint32_t	overflow;
95	uint32_t	frame;
96	uint32_t	missed;
97	uint32_t	runt;
98	uint32_t	frame_too_long;
99	uint32_t	norcvbuf;
100	uint32_t	sqe;
101
102	uint32_t	collisions;
103	uint32_t	first_coll;
104	uint32_t	multi_coll;
105	uint32_t	excoll;
106	uint32_t	xmit_internal_err;
107	uint32_t	nocarrier;
108	uint32_t	defer;
109	uint32_t	errxmt;
110	uint32_t	underflow;
111	uint32_t	xmtlatecoll;
112	uint32_t	noxmtbuf;
113	uint32_t	jabber;
114
115	uint64_t	rbytes;
116	uint64_t	obytes;
117	uint64_t	rpackets;
118	uint64_t	opackets;
119	uint32_t	rbcast;
120	uint32_t	obcast;
121	uint32_t	rmcast;
122	uint32_t	omcast;
123	uint32_t	rcv_internal_err;
124};
125#define	GEM_MAXTXSEGS		4
126#define	GEM_MAXRXSEGS		1
127
128#define	GEM_MAXTXFRAGS		8
129#define	GEM_MAXRXFRAGS		4
130/* TX buffer management */
131struct txbuf {
132	struct txbuf		*txb_next;
133
134	/* pointer to original mblk */
135	mblk_t			*txb_mp;
136
137	/* dma mapping for current packet */
138	ddi_dma_cookie_t	txb_dmacookie[GEM_MAXTXFRAGS];
139	uint_t			txb_nfrags;
140
141	/* bounce buffer management */
142	ddi_dma_handle_t	txb_bdh;
143	ddi_acc_handle_t	txb_bah;
144	caddr_t			txb_buf;	/* vaddr of bounce buffer */
145	uint64_t		txb_buf_dma;	/* paddr of bounce buffer */
146
147	/* timeout management */
148	clock_t			txb_stime;
149
150	/* Hardware descriptor info */
151	seqnum_t		txb_desc;
152	int			txb_ndescs;
153	uint64_t		txb_flag;
154};
155
156
157/* RX buffer management */
158struct rxbuf {
159	/* Hardware independent section */
160	struct rxbuf		*rxb_next;
161	struct gem_dev		*rxb_devp;
162
163	/* dma mapping management */
164	ddi_dma_handle_t	rxb_dh;
165	caddr_t			rxb_buf;
166	size_t			rxb_buf_len;
167	ddi_dma_cookie_t	rxb_dmacookie[GEM_MAXRXFRAGS];
168	uint_t			rxb_nfrags;
169
170	/* bounce buffer management */
171	ddi_acc_handle_t	rxb_bah;
172};
173
174struct mcast_addr {
175	struct ether_addr	addr;
176	uint32_t		hash;
177};
178
179#define	GEM_MAXMC		64
180#define	GEM_MCALLOC		(sizeof (struct mcast_addr) * GEM_MAXMC)
181
182#define	SUB(x, y)		((seqnum_t)((x) - (y)))
183#define	SLOT(seqnum, size)	(((unsigned int)(seqnum)) & ((size)-1))
184
185/*
186 * mac soft state
187 */
188struct gem_dev {
189	dev_info_t		*dip;
190	mac_handle_t		mh;
191	char			name[GEM_NAME_LEN];
192	void			*base_addr;
193	ddi_acc_handle_t	regs_handle;
194	ddi_iblock_cookie_t	iblock_cookie;
195
196	/* MAC address information */
197	struct ether_addr	cur_addr;
198	struct ether_addr	dev_addr;
199
200	/* Descriptor rings, io area */
201	ddi_dma_handle_t	desc_dma_handle;
202	ddi_acc_handle_t	desc_acc_handle;
203	caddr_t			rx_ring;
204	caddr_t			tx_ring;
205	caddr_t			io_area;
206	/* caddr_t			rx_buf; */
207
208	uint64_t		rx_ring_dma;
209	uint64_t		tx_ring_dma;
210	uint64_t		io_area_dma;
211
212	/* RX slot ring management */
213	kmutex_t		intrlock;
214	boolean_t		intr_busy;
215	seqnum_t		rx_active_head;
216	seqnum_t		rx_active_tail;
217	mac_resource_handle_t	mac_rx_ring_ha;
218	/* Rx buffer management */
219	struct rxbuf		*rx_buf_head;
220	struct rxbuf		*rx_buf_tail;
221	struct rxbuf		*rx_buf_freelist;
222	int			rx_buf_allocated;
223	int			rx_buf_freecnt;
224	int			rx_buf_len;
225
226	/* TX descriptor ring management */
227	seqnum_t		tx_desc_head;
228	seqnum_t		tx_desc_tail;
229	seqnum_t		tx_desc_intr;
230
231	/* TX buffur ring management */
232	kmutex_t		xmitlock;
233	kcondvar_t		tx_drain_cv;
234	seqnum_t		tx_active_head;
235	seqnum_t		tx_active_tail;
236	seqnum_t		tx_softq_head;
237	seqnum_t		tx_softq_tail;
238	seqnum_t		tx_free_head;
239	seqnum_t		tx_free_tail;
240	int			tx_max_packets;
241
242	/* TX buffer resource management */
243	struct txbuf		*tx_buf;
244	seqnum_t		tx_slots_base;
245
246	/* TX state management */
247	int			tx_busy;
248	int			tx_reclaim_busy;
249	clock_t			tx_blocked;
250
251	/* NIC state */
252	volatile boolean_t	mac_active;	/* tx and rx are running */
253	volatile int		nic_state;	/* logical driver state */
254#define	NIC_STATE_STOPPED	0
255#define	NIC_STATE_INITIALIZED	1
256#define	NIC_STATE_ONLINE	2
257	volatile boolean_t	mac_suspended;
258
259	/* robustness: timer and watchdog */
260	volatile timeout_id_t	timeout_id;
261
262
263	/* MII management */
264	boolean_t		anadv_autoneg:1;
265	boolean_t		anadv_1000fdx:1;
266	boolean_t		anadv_1000hdx:1;
267	boolean_t		anadv_100t4:1;
268	boolean_t		anadv_100fdx:1;
269	boolean_t		anadv_100hdx:1;
270	boolean_t		anadv_10fdx:1;
271	boolean_t		anadv_10hdx:1;
272	boolean_t		anadv_flow_control:2;
273	boolean_t		mii_advert_ro:1;
274
275	boolean_t		full_duplex:1;
276	int			speed:3;
277#define		GEM_SPD_10	0
278#define		GEM_SPD_100	1
279#define		GEM_SPD_1000	2
280#define		GEM_SPD_NUM	3
281	unsigned int		flow_control:2;
282#define		FLOW_CONTROL_NONE	0
283#define		FLOW_CONTROL_SYMMETRIC	1
284#define		FLOW_CONTROL_TX_PAUSE	2
285#define		FLOW_CONTROL_RX_PAUSE	3
286
287	boolean_t		mii_supress_msg:1;
288
289	uint32_t		mii_phy_id;
290	uint16_t		mii_status;
291	uint16_t		mii_advert;
292	uint16_t		mii_lpable;
293	uint16_t		mii_exp;
294	uint16_t		mii_ctl1000;
295	uint16_t		mii_stat1000;
296	uint16_t		mii_xstatus;
297	int8_t			mii_phy_addr;	/* must be signed */
298
299	uint8_t			mii_state;
300#define		MII_STATE_UNKNOWN		0
301#define		MII_STATE_RESETTING		1
302#define		MII_STATE_AUTONEGOTIATING	2
303#define		MII_STATE_AN_DONE		3
304#define		MII_STATE_MEDIA_SETUP		4
305#define		MII_STATE_LINKUP		5
306#define		MII_STATE_LINKDOWN		6
307
308	clock_t			mii_last_check;	/* in tick */
309	clock_t			mii_timer;	/* in tick */
310#define		MII_RESET_TIMEOUT	drv_usectohz(1000*1000)
311#define		MII_AN_TIMEOUT		drv_usectohz(5000*1000)
312#define		MII_LINKDOWN_TIMEOUT	drv_usectohz(10000*1000)
313	clock_t			mii_interval;	/* in tick */
314	clock_t			linkup_delay;	/* in tick */
315
316	volatile timeout_id_t	link_watcher_id;
317
318	ddi_softintr_t		soft_id;
319
320	/* multcast list management */
321	int16_t			mc_count;
322	int16_t			mc_count_req;
323	struct mcast_addr	*mc_list;
324	uint32_t		rxmode;
325#define		RXMODE_PROMISC		0x01
326#define		RXMODE_ALLMULTI_REQ	0x02
327#define		RXMODE_MULTI_OVF	0x04
328#define		RXMODE_ENABLE		0x08
329#define		RXMODE_ALLMULTI		(RXMODE_ALLMULTI_REQ | RXMODE_MULTI_OVF)
330#define		RXMODE_BITS	\
331			"\020"	\
332			"\004ENABLE"	\
333			"\003MULTI_OVF"	\
334			"\002ALLMULTI_REQ"	\
335			"\001PROMISC"
336
337	/* statistcs */
338	struct gem_stats		stats;
339
340	/* pointer to local structure */
341	void			*private;
342	int			priv_size;
343
344	/* polling mode */
345	int			poll_pkt_delay;	/* in number of packets */
346
347	/* descriptor area */
348	int			tx_desc_size;
349	int			rx_desc_size;
350
351	/* configuration */
352	struct gem_conf {
353		/* name */
354		char	gc_name[GEM_NAME_LEN];
355
356		/* specification on tx and rx dma engine */
357		long	gc_tx_buf_align;
358		int	gc_tx_max_frags;
359		int	gc_tx_max_descs_per_pkt;
360		int	gc_tx_buf_size;
361		int	gc_tx_buf_limit;
362		int	gc_tx_desc_unit_shift;
363		int	gc_tx_ring_size;
364		int	gc_tx_ring_limit;
365		int	gc_tx_copy_thresh;
366		boolean_t gc_tx_auto_pad;
367		boolean_t gc_tx_desc_write_oo;
368
369		long	gc_rx_buf_align;
370		int	gc_rx_max_frags;
371		int	gc_rx_desc_unit_shift;
372		int	gc_rx_ring_size;
373		int	gc_rx_copy_thresh;
374		int	gc_rx_buf_max;
375		int	gc_rx_header_len;
376
377		int	gc_io_area_size;
378
379		/* memory mapping attributes */
380		struct ddi_device_acc_attr	gc_dev_attr;
381		struct ddi_device_acc_attr	gc_buf_attr;
382		struct ddi_device_acc_attr	gc_desc_attr;
383
384		/* dma attributes */
385		ddi_dma_attr_t		gc_dma_attr_desc;
386		ddi_dma_attr_t		gc_dma_attr_txbuf;
387		ddi_dma_attr_t		gc_dma_attr_rxbuf;
388
389		/* tx time out parameters */
390		clock_t	gc_tx_timeout;
391		clock_t	gc_tx_timeout_interval;
392
393		/* auto negotiation capability */
394		int		gc_flow_control;
395
396		/* MII mode */
397		int	gc_mii_mode;
398#define		GEM_MODE_100BASETX	0
399#define		GEM_MODE_1000BASET	1
400#define		GEM_MODE_1000BASETX	2
401
402		/* MII link state watch parameters */
403		clock_t	gc_mii_linkdown_timeout;
404		clock_t	gc_mii_link_watch_interval;
405		clock_t	gc_mii_reset_timeout;
406
407		clock_t	gc_mii_an_watch_interval;
408		clock_t	gc_mii_an_timeout;
409		clock_t	gc_mii_an_wait;
410		clock_t	gc_mii_an_delay;
411
412		/* MII configuration */
413		int	gc_mii_addr_min;
414		int	gc_mii_linkdown_action;
415		int	gc_mii_linkdown_timeout_action;
416#define		MII_ACTION_NONE		0
417#define		MII_ACTION_RESET	1
418#define		MII_ACTION_RSA		2
419		boolean_t	gc_mii_dont_reset;
420		boolean_t	gc_mii_an_oneshot;
421		boolean_t	gc_mii_hw_link_detection;
422		boolean_t	gc_mii_stop_mac_on_linkdown;
423
424		/* I/O methods */
425
426		/* mac operation */
427		int	(*gc_attach_chip)(struct gem_dev *dp);
428		int	(*gc_reset_chip)(struct gem_dev *dp);
429		int	(*gc_init_chip)(struct gem_dev *dp);
430		int	(*gc_start_chip)(struct gem_dev *dp);
431		int	(*gc_stop_chip)(struct gem_dev *dp);
432		uint32_t (*gc_multicast_hash)(struct gem_dev *dp, uint8_t *);
433		int	(*gc_set_rx_filter)(struct gem_dev *dp);
434		int	(*gc_set_media)(struct gem_dev *dp);
435		int	(*gc_get_stats)(struct gem_dev *dp);
436		uint_t	(*gc_interrupt)(struct gem_dev *dp);
437
438		/* descriptor operation */
439		int	(*gc_tx_desc_write)(struct gem_dev *dp, int slot,
440				ddi_dma_cookie_t *dmacookie,
441				int frags, uint64_t flag);
442#define			GEM_TXFLAG_INTR		0x00000001ull
443#define			GEM_TXFLAG_TCP		0x00000002ull
444#define				GEM_TXFLAG_TCP_SHIFT		1ull
445#define			GEM_TXFLAG_UDP		0x00000004ull
446#define				GEM_TXFLAG_UDP_SHIFT		2ull
447#define			GEM_TXFLAG_IPv4		0x00000008ull
448#define				GEM_TXFLAG_IPv4_SHIFT		3ull
449#define			GEM_TXFLAG_IPv6		0x00000010ull
450#define				GEM_TXFLAG_IPv6_SHIFT		4ull
451#define			GEM_TXFLAG_HEAD		0x00000020ull
452#define			GEM_TXFLAG_TAIL		0x00000040ull
453#define			GEM_TXFLAG_SWVTAG	0x00000080ull
454#define			GEM_TXFLAG_PRIVATE	0x0000ff00ull
455#define				GEM_TXFLAG_PRIVATE_SHIFT	8ull
456#define				GEM_TXFLAG_PRIVATE_MASK	0xffull
457#define			GEM_TXFLAG_VID		0x0fff0000ull
458#define				GEM_TXFLAG_VID_SHIFT		16ull
459#define				GEM_TXFLAG_VID_MASK		0xfffull
460#define			GEM_TXFLAG_CFI		0x10000000ull
461#define			GEM_TXFLAG_PRI		0xe0000000ull
462#define				GEM_TXFLAG_PRI_SHIFT		29ull
463#define				GEM_TXFLAG_PRI_MASK		0x7ull
464#define			GEM_TXFLAG_VTAG		0xffff0000ull
465#define				GEM_TXFLAG_VTAG_SHIFT		16ull
466#define			GEM_TXFLAG_HCKSTART	0x000000ff00000000ull
467#define				GEM_TXFLAG_HCKSTART_SHIFT	32ull
468#define			GEM_TXFLAG_HCKSTUFF	0x0000ff0000000000ull
469#define				GEM_TXFLAG_HCKSTUFF_SHIFT	40ull
470#define			GEM_TXFLAG_TCPHLEN	0x0000ff0000000000ull
471#define				GEM_TXFLAG_TCPHLEN_SHIFT	40ull
472#define			GEM_TXFLAG_MSS		0xffff000000000000ull
473#define				GEM_TXFLAG_MSS_SHIFT	48ull
474
475		void (*gc_tx_start) (struct gem_dev *dp, int slot, int frags);
476		void	(*gc_rx_desc_write)(struct gem_dev *dp, int slot,
477			    ddi_dma_cookie_t *dmacookie, int frags);
478		void	(*gc_rx_start)(struct gem_dev *dp, int slot, int frags);
479
480		uint_t	(*gc_tx_desc_stat)
481			(struct gem_dev *dp, int slot, int descs);
482#define			GEM_TX_DONE	0x00010000
483#define			GEM_TX_ERR	0x00020000
484
485
486		uint64_t (*gc_rx_desc_stat)
487				(struct gem_dev *dp, int slot, int frags);
488
489#define			GEM_RX_CKSUM		0xffff000000000000ull
490#define			GEM_RX_CKSUM_SHIFT	48
491#define			GEM_RX_PRI		0x0000e00000000000ull
492#define			GEM_RX_PRI_SHIFT	45
493#define			GEM_RX_CFI		0x0000100000000000ull
494#define			GEM_RX_VID		0x00000fff00000000ull
495#define			GEM_RX_VID_SHIFT	32
496#define			GEM_RX_VTAG		0x0000ffff00000000ull
497#define			GEM_RX_VTAG_SHIFT	32
498
499#define			GEM_RX_CKSUM_IPv6	0x00080000ul
500#define			GEM_RX_CKSUM_IPv6_SHIFT	19
501#define			GEM_RX_CKSUM_IPv4	0x00040000ul
502#define			GEM_RX_CKSUM_IPv4_SHIFT	18
503#define			GEM_RX_CKSUM_UDP	0x00020000ul
504#define			GEM_RX_CKSUM_UDP_SHIFT	17
505#define			GEM_RX_CKSUM_TCP	0x00010000ul
506#define			GEM_RX_CKSUM_TCP_SHIFT	16
507#define			GEM_RX_ERR		0x00008000ul
508#define			GEM_RX_DONE		0x00004000ul
509#define			GEM_RX_LEN		0x00003ffful	/* 16KB - 1 */
510
511		void	(*gc_tx_desc_init)(struct gem_dev *dp, int slot);
512		void	(*gc_rx_desc_init)(struct gem_dev *dp, int slot);
513		void	(*gc_tx_desc_clean)(struct gem_dev *dp, int slot);
514		void	(*gc_rx_desc_clean)(struct gem_dev *dp, int slot);
515
516		/* mii operations */
517		int	(*gc_mii_probe)(struct gem_dev *dp);
518		int	(*gc_mii_init)(struct gem_dev *dp);
519		int	(*gc_mii_config)(struct gem_dev *dp);
520		void	(*gc_mii_sync)(struct gem_dev *dp);
521		uint16_t (*gc_mii_read)(struct gem_dev *dp, uint_t reg);
522		void (*gc_mii_write)(struct gem_dev *dp,
523			uint_t reg, uint16_t val);
524		void (*gc_mii_tune_phy)(struct gem_dev *dp);
525
526		/* packet in/out operation for copy-style  */
527		void (*gc_put_packet)(struct gem_dev *dp,
528			mblk_t *, void *, size_t);
529		mblk_t	*(*gc_get_packet)(struct gem_dev *dp,
530			struct rxbuf *, size_t);
531		int	gc_nports;
532
533		/* hw checksum */
534		uint32_t	gc_hck_rx_start;
535	} gc;
536
537	uint32_t	misc_flag;
538#define		GEM_LSO			0x00000400
539#define		GEM_CTRL_PKT		0x00000200
540#define		GEM_SOFTINTR		0x00000100
541#define		GEM_POLL_RXONLY		0x00000080
542#define		GEM_VLAN_HARD		0x00000040
543#define		GEM_VLAN_SOFT		0x00000020
544#define		GEM_VLAN		(GEM_VLAN_HARD | GEM_VLAN_SOFT)
545#define		GEM_CKSUM_HEADER_IPv4	0x00000010
546#define		GEM_CKSUM_PARTIAL	0x00000008
547#define		GEM_CKSUM_FULL_IPv6	0x00000004
548#define		GEM_CKSUM_FULL_IPv4	0x00000002
549#define		GEM_NOINTR		0x00000001
550
551	volatile timeout_id_t	intr_watcher_id;
552
553	uint_t	mtu;
554
555	/* performance tuning parameters */
556	uint_t	txthr;		/* tx fifo threshoold */
557	uint_t	txmaxdma;	/* tx max dma burst size */
558	uint_t	rxthr;		/* rx fifo threshoold */
559	uint_t	rxmaxdma;	/* tx max dma burst size */
560
561	/* kstat stuff */
562	kstat_t	*ksp;
563
564	/* multiple port device support */
565	struct	gem_dev	*next;	/* pointer to next port on the same device */
566	int		port;
567
568	/* ndd stuff */
569	caddr_t	nd_data_p;
570	caddr_t	nd_arg_p;
571
572#ifdef GEM_DEBUG_LEVEL
573	int	tx_cnt;
574#endif
575};
576
577/*
578 * Exported functions
579 */
580boolean_t gem_get_mac_addr_conf(struct gem_dev *);
581int gem_mii_probe_default(struct gem_dev *);
582int gem_mii_config_default(struct gem_dev *);
583boolean_t gem_mii_link_check(struct gem_dev *dp);
584uint16_t gem_mii_read(struct gem_dev *, uint_t);
585void gem_mii_write(struct gem_dev *, uint_t, uint16_t);
586int gem_reclaim_txbuf(struct gem_dev *dp);
587int gem_restart_nic(struct gem_dev *dp, uint_t flags);
588#define	GEM_RESTART_NOWAIT	0x00000002
589#define	GEM_RESTART_KEEP_BUF	0x00000001
590boolean_t gem_tx_done(struct gem_dev *);
591int gem_receive(struct gem_dev *);
592int gem_receive_copy(struct gem_dev *);
593struct gem_dev *gem_do_attach(dev_info_t *, int,
594		struct gem_conf *, void *, ddi_acc_handle_t *, void *, int);
595
596mblk_t *gem_send_common(struct gem_dev *, mblk_t *, uint32_t);
597#define	GEM_SEND_COPY	0x00008000
598#define	GEM_SEND_CTRL	0x000000ff	/* private flags for control packets */
599#define	GEM_SEND_VTAG	0xffff0000
600#define	GEM_SEND_VTAG_SHIFT	16
601
602mblk_t *gem_get_packet_default(struct gem_dev *, struct rxbuf *, size_t);
603
604uint32_t gem_ether_crc_le(const uint8_t *addr, int len);
605uint32_t gem_ether_crc_be(const uint8_t *addr, int len);
606int gem_do_detach(dev_info_t *);
607
608int gem_getlongprop_buf(dev_t dev, dev_info_t *dip,
609	int flags, char *name, void *buf, int *lenp);
610int gem_getprop(dev_t dev, dev_info_t *dip,
611	int flags, char *name, int defvalue);
612
613struct rxbuf *gem_get_rxbuf(struct gem_dev *, int);
614
615void gem_rx_desc_dma_sync(struct gem_dev *, int, int, int);
616void gem_tx_desc_dma_sync(struct gem_dev *, int, int, int);
617
618int gem_resume(dev_info_t *);
619int gem_suspend(dev_info_t *);
620uint8_t gem_search_pci_cap(dev_info_t *dip, ddi_acc_handle_t, uint8_t);
621int gem_pci_set_power_state(dev_info_t *, ddi_acc_handle_t, uint_t);
622int gem_pci_regs_map_setup(dev_info_t *, uint32_t, uint32_t,
623	struct ddi_device_acc_attr *, caddr_t *, ddi_acc_handle_t *);
624void gem_mod_init(struct dev_ops *, char *);
625void gem_mod_fini(struct dev_ops *);
626
627#define	GEM_GET_DEV(dip) \
628	((struct gem_dev *)(ddi_get_driver_private(dip)))
629#endif /* _SFE_UTIL_H_ */
630