xref: /titanic_44/usr/src/uts/common/io/rge/rge.h (revision 0cd13cbfb4270b840b4bd22ec5f673b2b6a2c02b)
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  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef _RGE_H
27 #define	_RGE_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef __cplusplus
32 extern "C" {
33 #endif
34 
35 #include <sys/types.h>
36 #include <sys/stream.h>
37 #include <sys/strsun.h>
38 #include <sys/strsubr.h>
39 #include <sys/stat.h>
40 #include <sys/pci.h>
41 #include <sys/note.h>
42 #include <sys/modctl.h>
43 #include <sys/kstat.h>
44 #include <sys/ethernet.h>
45 #include <sys/vlan.h>
46 #include <sys/errno.h>
47 #include <sys/dlpi.h>
48 #include <sys/devops.h>
49 #include <sys/debug.h>
50 #include <sys/conf.h>
51 
52 #include <netinet/ip6.h>
53 #include <inet/common.h>
54 #include <inet/ip.h>
55 #include <inet/mi.h>
56 #include <inet/nd.h>
57 #include <sys/pattr.h>
58 
59 #include <sys/ddi.h>
60 #include <sys/sunddi.h>
61 
62 #include <sys/mac.h>
63 #include <sys/mac_ether.h>
64 
65 /*
66  * Reconfiguring the network devices requires the net_config privilege
67  * in Solaris 10+.
68  */
69 extern int secpolicy_net_config(const cred_t *, boolean_t);
70 
71 #include <sys/netlb.h>			/* originally from cassini	*/
72 #include <sys/miiregs.h>		/* by fjlite out of intel 	*/
73 
74 #include "rge_hw.h"
75 
76 /*
77  * Name of the driver
78  */
79 #define	RGE_DRIVER_NAME		"rge"
80 
81 /*
82  * The driver supports the NDD ioctls ND_GET/ND_SET, and the loopback
83  * ioctls LB_GET_INFO_SIZE/LB_GET_INFO/LB_GET_MODE/LB_SET_MODE
84  *
85  * These are the values to use with LD_SET_MODE.
86  */
87 #define	RGE_LOOP_NONE		0
88 #define	RGE_LOOP_INTERNAL_PHY	1
89 #define	RGE_LOOP_INTERNAL_MAC	2
90 
91 /*
92  * RGE-specific ioctls ...
93  */
94 #define	RGE_IOC			((((('R' << 8) + 'G') << 8) + 'E') << 8)
95 
96 /*
97  * PHY register read/write ioctls, used by cable test software
98  */
99 #define	RGE_MII_READ		(RGE_IOC|1)
100 #define	RGE_MII_WRITE		(RGE_IOC|2)
101 
102 struct rge_mii_rw {
103 	uint32_t	mii_reg;	/* PHY register number [0..31]	*/
104 	uint32_t	mii_data;	/* data to write/data read	*/
105 };
106 
107 /*
108  * These diagnostic IOCTLS are enabled only in DEBUG drivers
109  */
110 #define	RGE_DIAG		(RGE_IOC|10)	/* currently a no-op	*/
111 #define	RGE_PEEK		(RGE_IOC|11)
112 #define	RGE_POKE		(RGE_IOC|12)
113 #define	RGE_PHY_RESET		(RGE_IOC|13)
114 #define	RGE_SOFT_RESET		(RGE_IOC|14)
115 #define	RGE_HARD_RESET		(RGE_IOC|15)
116 
117 typedef struct {
118 	uint64_t		pp_acc_size;	/* in bytes: 1,2,4,8	*/
119 	uint64_t		pp_acc_space;	/* See #defines below	*/
120 	uint64_t		pp_acc_offset;
121 	uint64_t		pp_acc_data;	/* output for peek	*/
122 						/* input for poke	*/
123 } rge_peekpoke_t;
124 
125 #define	RGE_PP_SPACE_CFG	0		/* PCI config space	*/
126 #define	RGE_PP_SPACE_REG	1		/* PCI memory space	*/
127 #define	RGE_PP_SPACE_MII	2		/* PHY's MII registers	*/
128 #define	RGE_PP_SPACE_RGE	3		/* driver's soft state	*/
129 #define	RGE_PP_SPACE_TXDESC	4		/* TX descriptors	*/
130 #define	RGE_PP_SPACE_TXBUFF	5		/* TX buffers		*/
131 #define	RGE_PP_SPACE_RXDESC	6		/* RX descriptors	*/
132 #define	RGE_PP_SPACE_RXBUFF	7		/* RX buffers		*/
133 #define	RGE_PP_SPACE_STATISTICS	8		/* statistics block	*/
134 
135 /*
136  * RTL8169 CRC poly
137  */
138 #define	RGE_HASH_POLY		0x04C11DB7	/* 0x04C11DB6 */
139 #define	RGE_HASH_CRC		0xFFFFFFFFU
140 #define	RGE_MCAST_BUF_SIZE	64	/* multicast hash table size in bits */
141 
142 /*
143  * Rx/Tx buffer parameters
144  */
145 #define	RGE_BUF_SLOTS		2048
146 #define	RGE_RECV_COPY_SIZE	256
147 #define	RGE_HEADROOM		6
148 
149 /*
150  * Driver chip operation parameters
151  */
152 #define	RGE_CYCLIC_PERIOD	(1000000000)	/* ~1s */
153 #define	CHIP_RESET_LOOP		1000
154 #define	PHY_RESET_LOOP		10
155 #define	STATS_DUMP_LOOP		1000
156 #define	RXBUFF_FREE_LOOP	1000
157 #define	RGE_RX_INT_TIME		128
158 #define	RGE_RX_INT_PKTS		8
159 
160 /*
161  * Named Data (ND) Parameter Management Structure
162  */
163 typedef struct {
164 	int			ndp_info;
165 	int			ndp_min;
166 	int			ndp_max;
167 	int			ndp_val;
168 	char			*ndp_name;
169 } nd_param_t;				/* 0x18 (24) bytes	*/
170 
171 /*
172  * NDD parameter indexes, divided into:
173  *
174  *	read-only parameters describing the hardware's capabilities
175  *	read-write parameters controlling the advertised capabilities
176  *	read-only parameters describing the partner's capabilities
177  *	read-only parameters describing the link state
178  */
179 enum {
180 	PARAM_AUTONEG_CAP = 0,
181 	PARAM_PAUSE_CAP,
182 	PARAM_ASYM_PAUSE_CAP,
183 	PARAM_1000FDX_CAP,
184 	PARAM_1000HDX_CAP,
185 	PARAM_100T4_CAP,
186 	PARAM_100FDX_CAP,
187 	PARAM_100HDX_CAP,
188 	PARAM_10FDX_CAP,
189 	PARAM_10HDX_CAP,
190 
191 	PARAM_ADV_AUTONEG_CAP,
192 	PARAM_ADV_PAUSE_CAP,
193 	PARAM_ADV_ASYM_PAUSE_CAP,
194 	PARAM_ADV_1000FDX_CAP,
195 	PARAM_ADV_1000HDX_CAP,
196 	PARAM_ADV_100T4_CAP,
197 	PARAM_ADV_100FDX_CAP,
198 	PARAM_ADV_100HDX_CAP,
199 	PARAM_ADV_10FDX_CAP,
200 	PARAM_ADV_10HDX_CAP,
201 
202 	PARAM_LINK_STATUS,
203 	PARAM_LINK_SPEED,
204 	PARAM_LINK_DUPLEX,
205 
206 	PARAM_LOOP_MODE,
207 
208 	PARAM_COUNT
209 };
210 
211 enum rge_chip_state {
212 	RGE_CHIP_FAULT = -2,			/* fault, need reset	*/
213 	RGE_CHIP_ERROR,				/* error, want reset	*/
214 	RGE_CHIP_INITIAL,			/* Initial state only	*/
215 	RGE_CHIP_RESET,				/* reset, need init	*/
216 	RGE_CHIP_STOPPED,			/* Tx/Rx stopped	*/
217 	RGE_CHIP_RUNNING			/* with interrupts	*/
218 };
219 
220 enum rge_mac_state {
221 	RGE_MAC_ATTACH = 0,
222 	RGE_MAC_STOPPED,
223 	RGE_MAC_STARTED,
224 	RGE_MAC_UNATTACH
225 };
226 
227 enum rge_sync_op {
228 	RGE_OP_NULL,
229 	RGE_GET_MAC,				/* get mac address operation */
230 	RGE_SET_MAC,				/* set mac address operation */
231 	RGE_SET_MUL,				/* set multicast address op */
232 	RGE_SET_PROMISC				/* set promisc mode */
233 };
234 
235 /*
236  * (Internal) return values from ioctl subroutines
237  */
238 enum ioc_reply {
239 	IOC_INVAL = -1,				/* bad, NAK with EINVAL	*/
240 	IOC_DONE,				/* OK, reply sent	*/
241 	IOC_ACK,				/* OK, just send ACK	*/
242 	IOC_REPLY,				/* OK, just send reply	*/
243 	IOC_RESTART_ACK,			/* OK, restart & ACK	*/
244 	IOC_RESTART_REPLY			/* OK, restart & reply	*/
245 };
246 
247 /*
248  * (Internal) enumeration of this driver's kstats
249  */
250 enum {
251 	RGE_KSTAT_DRIVER = 0,
252 	RGE_KSTAT_COUNT
253 };
254 
255 /*
256  * Basic data types, for clarity in distinguishing 'numbers'
257  * used for different purposes ...
258  *
259  * A <rge_regno_t> is a register 'address' (offset) in any one of
260  * various address spaces (PCI config space, PCI memory-mapped I/O
261  * register space, MII registers, etc).  None of these exceeds 64K,
262  * so we could use a 16-bit representation but pointer-sized objects
263  * are more "natural" in most architectures; they seem to be handled
264  * more efficiently on SPARC and no worse on x86.
265  *
266  * RGE_REGNO_NONE represents the non-existent value in this space.
267  */
268 typedef uintptr_t rge_regno_t;			/* register # (offset)	*/
269 #define	RGE_REGNO_NONE		(~(uintptr_t)0u)
270 
271 /*
272  * Describes one chunk of allocated DMA-able memory
273  *
274  * In some cases, this is a single chunk as allocated from the system;
275  * but we also use this structure to represent slices carved off such
276  * a chunk.  Even when we don't really need all the information, we
277  * use this structure as a convenient way of correlating the various
278  * ways of looking at a piece of memory (kernel VA, IO space DVMA,
279  * handle+offset, etc).
280  */
281 typedef struct {
282 	ddi_acc_handle_t	acc_hdl;	/* handle for memory	*/
283 	void			*mem_va;	/* CPU VA of memory	*/
284 	uint32_t		nslots;		/* number of slots	*/
285 	uint32_t		size;		/* size per slot	*/
286 	size_t			alength;	/* allocated size */
287 	ddi_dma_handle_t	dma_hdl;	/* DMA handle */
288 	offset_t		offset;		/* relative to handle	*/
289 	ddi_dma_cookie_t	cookie;		/* associated cookie */
290 	uint32_t		ncookies;	/* must be 1 */
291 	uint32_t		token;		/* arbitrary identifier	*/
292 } dma_area_t;
293 
294 /*
295  * Software version of the Receive Buffer Descriptor
296  */
297 typedef struct {
298 	caddr_t			private;	/* pointer to rge */
299 	dma_area_t		pbuf;		/* (const) related	*/
300 						/* buffer area		*/
301 	frtn_t			rx_recycle;	/* recycle function */
302 	mblk_t			*mp;
303 } dma_buf_t;
304 
305 typedef struct sw_rbd {
306 	dma_buf_t		*rx_buf;
307 	uint8_t			flags;
308 } sw_rbd_t;
309 
310 /*
311  * Software version of the Send Buffer Descriptor
312  */
313 typedef struct sw_sbd {
314 	dma_area_t		desc;		/* (const) related h/w	*/
315 						/* descriptor area	*/
316 	dma_area_t		pbuf;		/* (const) related	*/
317 						/* buffer area		*/
318 } sw_sbd_t;
319 
320 
321 #define	HW_RBD_INIT(rbd, slot)					\
322 	rbd->flags_len |= RGE_BSWAP_32(BD_FLAG_HW_OWN);		\
323 	rbd->vlan_tag = 0;					\
324 	if (slot == (RGE_RECV_SLOTS -1))			\
325 		rbd->flags_len |= RGE_BSWAP_32(BD_FLAG_EOR);
326 #define	HW_SBD_INIT(sbd, slot)					\
327 	sbd->flags_len = 0;					\
328 	if (slot == (RGE_SEND_SLOTS -1))			\
329 		sbd->flags_len |= RGE_BSWAP_32(BD_FLAG_EOR);
330 #define	HW_SBD_SET(sbd, slot)					\
331 	sbd->flags_len |= RGE_BSWAP_32(SBD_FLAG_TX_PKT);	\
332 	if (slot == (RGE_SEND_SLOTS -1))			\
333 		sbd->flags_len |= RGE_BSWAP_32(BD_FLAG_EOR);
334 
335 /*
336  * Describes the characteristics of a specific chip
337  */
338 typedef struct {
339 	uint16_t		command;	/* saved during attach	*/
340 	uint16_t		vendor;		/* vendor-id		*/
341 	uint16_t		device;		/* device-id		*/
342 	uint16_t		subven;		/* subsystem-vendor-id	*/
343 	uint16_t		subdev;		/* subsystem-id		*/
344 	uint8_t			revision;	/* revision-id		*/
345 	uint8_t			clsize;		/* cache-line-size	*/
346 	uint8_t			latency;	/* latency-timer	*/
347 	boolean_t		is_pcie;
348 	uint32_t		mac_ver;
349 	uint32_t		phy_ver;
350 	uint32_t		rxconfig;
351 	uint32_t		txconfig;
352 } chip_id_t;
353 
354 typedef struct rge_stats {
355 	uint64_t	rpackets;
356 	uint64_t	rbytes;
357 	uint64_t	opackets;
358 	uint64_t	obytes;
359 	uint32_t	overflow;
360 	uint32_t	defer;		/* dot3StatsDeferredTransmissions */
361 	uint32_t	crc_err;	/* dot3StatsFCSErrors */
362 	uint32_t	in_short;
363 	uint32_t	no_rcvbuf;	/* ifInDiscards */
364 	uint32_t	intr;		/* interrupt count */
365 	uint16_t	chip_reset;
366 	uint16_t	phy_reset;
367 	boolean_t	tx_pre_ismax;
368 	boolean_t	tx_cur_ismax;
369 } rge_stats_t;
370 
371 /*
372  * Per-instance soft-state structure
373  */
374 typedef struct rge {
375 	dev_info_t		*devinfo;	/* device instance	*/
376 	mac_handle_t		mh;		/* mac module handle	*/
377 	ddi_acc_handle_t	cfg_handle;	/* DDI I/O handle	*/
378 	ddi_acc_handle_t	io_handle;	/* DDI I/O handle	*/
379 	caddr_t			io_regs;	/* mapped registers	*/
380 	ddi_periodic_t		periodic_id;	/* periodical callback	*/
381 	ddi_softint_handle_t	resched_hdl;	/* reschedule callback	*/
382 	ddi_softint_handle_t	factotum_hdl;	/* factotum callback	*/
383 	uint_t			soft_pri;
384 	ddi_intr_handle_t 	*htable;	/* For array of interrupts */
385 	int			intr_type;	/* What type of interrupt */
386 	int			intr_rqst;	/* # of request intrs count */
387 	int			intr_cnt;	/* # of intrs count returned */
388 	uint_t			intr_pri;	/* Interrupt priority	*/
389 	int			intr_cap;	/* Interrupt capabilities */
390 	boolean_t		msi_enable;
391 
392 	uint32_t		ethmax_size;
393 	uint32_t		default_mtu;
394 	uint32_t		rxbuf_size;
395 	uint32_t		txbuf_size;
396 	uint32_t		chip_flags;
397 	uint32_t		head_room;
398 	char			ifname[8];	/* "rge0" ... "rge999"	*/
399 	int32_t			instance;
400 	uint32_t		progress;	/* attach tracking	*/
401 	uint32_t		debug;		/* per-instance debug	*/
402 	chip_id_t		chipid;
403 
404 	/*
405 	 * These structures describe the blocks of memory allocated during
406 	 * attach().  They remain unchanged thereafter, although the memory
407 	 * they describe is carved up into various separate regions and may
408 	 * therefore be described by other structures as well.
409 	 */
410 	dma_area_t		dma_area_rxdesc;
411 	dma_area_t		dma_area_txdesc;
412 	dma_area_t		dma_area_stats;
413 				/* describes hardware statistics area	*/
414 
415 	uint8_t			netaddr[ETHERADDRL];	/* mac address	*/
416 	uint16_t		int_mask;	/* interrupt mask	*/
417 
418 	/* used for multicast/promisc mode set */
419 	char			mcast_refs[RGE_MCAST_BUF_SIZE];
420 	uint8_t			mcast_hash[RGE_MCAST_NUM];
421 	boolean_t		promisc;	/* promisc state flag	*/
422 
423 	/* used for recv */
424 	rge_bd_t		*rx_ring;
425 	dma_area_t		rx_desc;
426 	boolean_t		rx_bcopy;
427 	uint32_t		rx_next;	/* current rx bd index	*/
428 	sw_rbd_t		*sw_rbds;
429 	sw_rbd_t		*free_srbds;
430 	uint32_t		rf_next;	/* current free buf index */
431 	uint32_t		rc_next;	/* current recycle buf index */
432 	uint32_t		rx_free;	/* number of rx free buf */
433 	mac_resource_handle_t	handle;
434 
435 	/* used for send */
436 	rge_bd_t		*tx_ring;
437 	dma_area_t		tx_desc;
438 	uint32_t		tx_free;	/* number of free tx bd */
439 	uint32_t		tx_next;	/* current tx bd index	*/
440 	uint32_t		tc_next;	/* current tx recycle index */
441 	uint32_t		tx_flow;
442 	uint32_t		tc_tail;
443 	sw_sbd_t		*sw_sbds;
444 
445 	/* mutex */
446 	kmutex_t		genlock[1];	/* i/o reg access	*/
447 	krwlock_t		errlock[1];	/* rge restart */
448 	kmutex_t		tx_lock[1];	/* send access		*/
449 	kmutex_t		tc_lock[1];	/* send recycle access */
450 	kmutex_t		rx_lock[1];	/* receive access	*/
451 	kmutex_t		rc_lock[1];	/* receive recycle access */
452 
453 	/*
454 	 * Miscellaneous operating variables (not synchronised)
455 	 */
456 	uint32_t		watchdog;	/* watches for Tx stall	*/
457 	boolean_t		resched_needed;
458 	uint32_t		factotum_flag;	/* softint pending	*/
459 
460 	/*
461 	 * Physical layer
462 	 */
463 	rge_regno_t		phy_mii_addr;	/* should be (const) 1!	*/
464 	uint16_t		link_down_count;
465 
466 	/*
467 	 * NDD parameters (protected by genlock)
468 	 */
469 	caddr_t			nd_data_p;
470 	nd_param_t		nd_params[PARAM_COUNT];
471 
472 	/*
473 	 * Driver kstats, protected by <genlock> where necessary
474 	 */
475 	kstat_t			*rge_kstats[RGE_KSTAT_COUNT];
476 
477 	/* H/W statistics */
478 	rge_hw_stats_t		*hw_stats;
479 	rge_stats_t		stats;
480 	enum rge_mac_state	rge_mac_state;	/* definitions above	*/
481 	enum rge_chip_state	rge_chip_state;	/* definitions above	*/
482 } rge_t;
483 
484 /*
485  * 'Progress' bit flags ...
486  */
487 #define	PROGRESS_CFG		0x0001	/* config space mapped		*/
488 #define	PROGRESS_REGS		0x0002	/* registers mapped		*/
489 #define	PROGRESS_RESCHED	0x0010	/* resched softint registered	*/
490 #define	PROGRESS_FACTOTUM	0x0020	/* factotum softint registered	*/
491 #define	PROGRESS_INTR		0X0040	/* h/w interrupt registered	*/
492 					/* and mutexen initialised	*/
493 #define	PROGRESS_INIT		0x0080	/* rx/buf/tx ring initialised	*/
494 #define	PROGRESS_PHY		0x0100	/* PHY initialised		*/
495 #define	PROGRESS_NDD		0x1000	/* NDD parameters set up	*/
496 #define	PROGRESS_KSTATS		0x2000	/* kstats created		*/
497 #define	PROGRESS_READY		0x8000	/* ready for work		*/
498 
499 /*
500  * Special chip flags
501  */
502 #define	CHIP_FLAG_FORCE_BCOPY	0x10000000
503 
504 /*
505  * Shorthand for the NDD parameters
506  */
507 #define	param_adv_autoneg	nd_params[PARAM_ADV_AUTONEG_CAP].ndp_val
508 #define	param_adv_pause		nd_params[PARAM_ADV_PAUSE_CAP].ndp_val
509 #define	param_adv_asym_pause	nd_params[PARAM_ADV_ASYM_PAUSE_CAP].ndp_val
510 #define	param_adv_1000fdx	nd_params[PARAM_ADV_1000FDX_CAP].ndp_val
511 #define	param_adv_1000hdx	nd_params[PARAM_ADV_1000HDX_CAP].ndp_val
512 #define	param_adv_100fdx	nd_params[PARAM_ADV_100FDX_CAP].ndp_val
513 #define	param_adv_100hdx	nd_params[PARAM_ADV_100HDX_CAP].ndp_val
514 #define	param_adv_10fdx		nd_params[PARAM_ADV_10FDX_CAP].ndp_val
515 #define	param_adv_10hdx		nd_params[PARAM_ADV_10HDX_CAP].ndp_val
516 
517 #define	param_link_up		nd_params[PARAM_LINK_STATUS].ndp_val
518 #define	param_link_speed	nd_params[PARAM_LINK_SPEED].ndp_val
519 #define	param_link_duplex	nd_params[PARAM_LINK_DUPLEX].ndp_val
520 
521 #define	param_loop_mode		nd_params[PARAM_LOOP_MODE].ndp_val
522 
523 /*
524  * Sync a DMA area described by a dma_area_t
525  */
526 #define	DMA_SYNC(area, flag)	((void) ddi_dma_sync((area).dma_hdl,	\
527 				    (area).offset, (area).alength, (flag)))
528 
529 /*
530  * Find the (kernel virtual) address of block of memory
531  * described by a dma_area_t
532  */
533 #define	DMA_VPTR(area)		((area).mem_va)
534 
535 /*
536  * Zero a block of memory described by a dma_area_t
537  */
538 #define	DMA_ZERO(area)		bzero(DMA_VPTR(area), (area).alength)
539 
540 /*
541  * Next/Last value of a cyclic index
542  */
543 #define	NEXT(index, limit)	((index)+1 < (limit) ? (index)+1 : 0);
544 #define	LAST(index, limit)	((index) ? (index)-1 : (limit - 1));
545 /*
546  * Property lookups
547  */
548 #define	RGE_PROP_EXISTS(d, n)	ddi_prop_exists(DDI_DEV_T_ANY, (d),	\
549 					DDI_PROP_DONTPASS, (n))
550 #define	RGE_PROP_GET_INT(d, n)	ddi_prop_get_int(DDI_DEV_T_ANY, (d),	\
551 					DDI_PROP_DONTPASS, (n), -1)
552 
553 /*
554  * Endian swap
555  */
556 #ifdef	_BIG_ENDIAN
557 #define	RGE_BSWAP_16(x)		((((x) & 0xff00) >> 8)	|		\
558 				    (((x) & 0x00ff) << 8))
559 #define	RGE_BSWAP_32(x)		((((x) & 0xff000000) >> 24)	|	\
560 				    (((x) & 0x00ff0000) >> 8)	|	\
561 				    (((x) & 0x0000ff00) << 8)	|	\
562 				    (((x) & 0x000000ff) << 24))
563 #define	RGE_BSWAP_64(x)		(RGE_BSWAP_32((x) >> 32)	|	\
564 				    (RGE_BSWAP_32(x) << 32))
565 #else
566 #define	RGE_BSWAP_16(x)		(x)
567 #define	RGE_BSWAP_32(x)		(x)
568 #define	RGE_BSWAP_64(x)		(x)
569 #endif
570 
571 /*
572  * Bit test macros, returning boolean_t values
573  */
574 #define	BIS(w, b)	(((w) & (b)) ? B_TRUE : B_FALSE)
575 #define	BIC(w, b)	(((w) & (b)) ? B_FALSE : B_TRUE)
576 #define	UPORDOWN(x)	((x) ? "up" : "down")
577 
578 /*
579  * Bit flags in the 'debug' word ...
580  */
581 #define	RGE_DBG_STOP		0x00000001	/* early debug_enter()	*/
582 #define	RGE_DBG_TRACE		0x00000002	/* general flow tracing	*/
583 
584 #define	RGE_DBG_REGS		0x00000010	/* low-level accesses	*/
585 #define	RGE_DBG_MII		0x00000020	/* low-level MII access	*/
586 #define	RGE_DBG_SEEPROM		0x00000040	/* low-level SEEPROM IO	*/
587 #define	RGE_DBG_CHIP		0x00000080	/* low(ish)-level code	*/
588 
589 #define	RGE_DBG_RECV		0x00000100	/* receive-side code	*/
590 #define	RGE_DBG_SEND		0x00000200	/* packet-send code	*/
591 
592 #define	RGE_DBG_INT		0x00001000	/* interrupt handler	*/
593 #define	RGE_DBG_FACT		0x00002000	/* factotum (softint)	*/
594 
595 #define	RGE_DBG_PHY		0x00010000	/* Copper PHY code	*/
596 #define	RGE_DBG_SERDES		0x00020000	/* SerDes code		*/
597 #define	RGE_DBG_PHYS		0x00040000	/* Physical layer code	*/
598 #define	RGE_DBG_LINK		0x00080000	/* Link status check	*/
599 
600 #define	RGE_DBG_INIT		0x00100000	/* initialisation	*/
601 #define	RGE_DBG_NEMO		0x00200000	/* nemo interaction	*/
602 #define	RGE_DBG_ADDR		0x00400000	/* address-setting code	*/
603 #define	RGE_DBG_STATS		0x00800000	/* statistics		*/
604 
605 #define	RGE_DBG_IOCTL		0x01000000	/* ioctl handling	*/
606 #define	RGE_DBG_LOOP		0x02000000	/* loopback ioctl code	*/
607 #define	RGE_DBG_PPIO		0x04000000	/* Peek/poke ioctls	*/
608 #define	RGE_DBG_BADIOC		0x08000000	/* unknown ioctls	*/
609 
610 #define	RGE_DBG_MCTL		0x10000000	/* mctl (csum) code	*/
611 #define	RGE_DBG_NDD		0x20000000	/* NDD operations	*/
612 
613 /*
614  * Debugging ...
615  */
616 #ifdef	DEBUG
617 #define	RGE_DEBUGGING		1
618 #else
619 #define	RGE_DEBUGGING		0
620 #endif	/* DEBUG */
621 
622 
623 /*
624  * 'Do-if-debugging' macro.  The parameter <command> should be one or more
625  * C statements (but without the *final* semicolon), which will either be
626  * compiled inline or completely ignored, depending on the RGE_DEBUGGING
627  * compile-time flag.
628  *
629  * You should get a compile-time error (at least on a DEBUG build) if
630  * your statement isn't actually a statement, rather than unexpected
631  * run-time behaviour caused by unintended matching of if-then-elses etc.
632  *
633  * Note that the RGE_DDB() macro itself can only be used as a statement,
634  * not an expression, and should always be followed by a semicolon.
635  */
636 #if	RGE_DEBUGGING
637 #define	RGE_DDB(command)	do {					\
638 					{ command; }			\
639 					_NOTE(CONSTANTCONDITION)	\
640 				} while (0)
641 #else 	/* RGE_DEBUGGING */
642 #define	RGE_DDB(command)	do {					\
643 					{ _NOTE(EMPTY); }		\
644 					_NOTE(CONSTANTCONDITION)	\
645 				} while (0)
646 #endif	/* RGE_DEBUGGING */
647 
648 /*
649  * 'Internal' macros used to construct the TRACE/DEBUG macros below.
650  * These provide the primitive conditional-call capability required.
651  * Note: the parameter <args> is a parenthesised list of the actual
652  * printf-style arguments to be passed to the debug function ...
653  */
654 #define	RGE_XDB(b, w, f, args)	RGE_DDB(if ((b) & (w)) f args)
655 #define	RGE_GDB(b, args)	RGE_XDB(b, rge_debug, (*rge_gdb()), args)
656 #define	RGE_LDB(b, args)	RGE_XDB(b, rgep->debug, (*rge_db(rgep)), args)
657 #define	RGE_CDB(f, args)	RGE_XDB(RGE_DBG, rgep->debug, f, args)
658 
659 /*
660  * Conditional-print macros.
661  *
662  * Define RGE_DBG to be the relevant member of the set of RGE_DBG_* values
663  * above before using the RGE_GDEBUG() or RGE_DEBUG() macros.  The 'G'
664  * versions look at the Global debug flag word (rge_debug); the non-G
665  * versions look in the per-instance data (rgep->debug) and so require a
666  * variable called 'rgep' to be in scope (and initialised!) before use.
667  *
668  * You could redefine RGE_TRC too if you really need two different
669  * flavours of debugging output in the same area of code, but I don't
670  * really recommend it.
671  *
672  * Note: the parameter <args> is a parenthesised list of the actual
673  * arguments to be passed to the debug function, usually a printf-style
674  * format string and corresponding values to be formatted.
675  */
676 
677 #define	RGE_TRC			RGE_DBG_TRACE	/* default 'trace' bit	*/
678 #define	RGE_GTRACE(args)	RGE_GDB(RGE_TRC, args)
679 #define	RGE_GDEBUG(args)	RGE_GDB(RGE_DBG, args)
680 #define	RGE_TRACE(args)		RGE_LDB(RGE_TRC, args)
681 #define	RGE_DEBUG(args)		RGE_LDB(RGE_DBG, args)
682 
683 /*
684  * Debug-only action macros
685  */
686 #define	RGE_BRKPT(rgep, s)	RGE_DDB(rge_dbg_enter(rgep, s))
687 #define	RGE_MARK(rgep)		RGE_DDB(rge_led_mark(rgep))
688 #define	RGE_PCICHK(rgep)	RGE_DDB(rge_pci_check(rgep))
689 #define	RGE_PKTDUMP(args)	RGE_DDB(rge_pkt_dump args)
690 #define	RGE_REPORT(args)	RGE_DDB(rge_log args)
691 
692 /*
693  * Inter-source-file linkage ...
694  */
695 
696 /* rge_chip.c */
697 uint16_t rge_mii_get16(rge_t *rgep, uintptr_t mii);
698 void rge_mii_put16(rge_t *rgep, uintptr_t mii, uint16_t data);
699 void rge_chip_cfg_init(rge_t *rgep, chip_id_t *cidp);
700 void rge_chip_ident(rge_t *rgep);
701 int rge_chip_reset(rge_t *rgep);
702 void rge_chip_init(rge_t *rgep);
703 void rge_chip_start(rge_t *rgep);
704 void rge_chip_stop(rge_t *rgep, boolean_t fault);
705 void rge_chip_sync(rge_t *rgep, enum rge_sync_op todo);
706 void rge_chip_blank(void *arg, time_t ticks, uint_t count);
707 void rge_tx_trigger(rge_t *rgep);
708 void rge_hw_stats_dump(rge_t *rgep);
709 uint_t rge_intr(caddr_t arg1, caddr_t arg2);
710 uint_t rge_chip_factotum(caddr_t arg1, caddr_t arg2);
711 void rge_chip_cyclic(void *arg);
712 enum ioc_reply rge_chip_ioctl(rge_t *rgep, queue_t *wq, mblk_t *mp,
713 	struct iocblk *iocp);
714 boolean_t rge_phy_reset(rge_t *rgep);
715 void rge_phy_init(rge_t *rgep);
716 void rge_phy_update(rge_t *rgep);
717 
718 /* rge_kstats.c */
719 void rge_init_kstats(rge_t *rgep, int instance);
720 void rge_fini_kstats(rge_t *rgep);
721 int rge_m_stat(void *arg, uint_t stat, uint64_t *val);
722 
723 /* rge_log.c */
724 #if	RGE_DEBUGGING
725 void (*rge_db(rge_t *rgep))(const char *fmt, ...);
726 void (*rge_gdb(void))(const char *fmt, ...);
727 void rge_pkt_dump(rge_t *rgep, rge_bd_t *hbp, sw_rbd_t *sdp, const char *msg);
728 void rge_dbg_enter(rge_t *rgep, const char *msg);
729 #endif	/* RGE_DEBUGGING */
730 void rge_problem(rge_t *rgep, const char *fmt, ...);
731 void rge_notice(rge_t *rgep, const char *fmt, ...);
732 void rge_log(rge_t *rgep, const char *fmt, ...);
733 void rge_error(rge_t *rgep, const char *fmt, ...);
734 extern kmutex_t rge_log_mutex[1];
735 extern uint32_t rge_debug;
736 
737 /* rge_main.c */
738 void rge_restart(rge_t *rgep);
739 
740 /* rge_ndd.c */
741 int rge_nd_init(rge_t *rgep);
742 enum ioc_reply rge_nd_ioctl(rge_t *rgep, queue_t *wq, mblk_t *mp,
743 	struct iocblk *iocp);
744 void rge_nd_cleanup(rge_t *rgep);
745 
746 /* rge_rxtx.c */
747 void rge_rx_recycle(caddr_t arg);
748 void rge_receive(rge_t *rgep);
749 mblk_t *rge_m_tx(void *arg, mblk_t *mp);
750 uint_t rge_reschedule(caddr_t arg1, caddr_t arg2);
751 
752 #ifdef __cplusplus
753 }
754 #endif
755 
756 #endif	/* _RGE_H */
757