xref: /titanic_51/usr/src/uts/sun/io/eri/eri.h (revision c4800545504378963d9f2eeb253f06899664f9f6)
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 2007 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 #ifndef	_SYS_ERI_H
27 #define	_SYS_ERI_H
28 
29 #pragma ident	"%Z%%M%	%I%	%E% SMI"
30 
31 #ifdef	__cplusplus
32 extern "C" {
33 #endif
34 
35 
36 #ifdef _KERNEL
37 
38 /* Named Dispatch Parameter Management Structure */
39 typedef struct param_s {
40 	uint32_t param_min;
41 	uint32_t param_max;
42 	uint32_t param_val;
43 	char   *param_name;
44 } param_t;
45 
46 #define	ERI_PARAM_CNT	51
47 
48 typedef enum  {
49 	MIF_POLL_STOP,
50 	MIF_POLL_START
51 } soft_mif_enable_t;
52 
53 
54 /*
55  * kstats
56  */
57 typedef struct stats {
58 	/*
59 	 * Link Input/Output stats
60 	 * ifspeed is now in bits/second.
61 	 */
62 	uint64_t	ipackets64;
63 	uint64_t	iipackets64;
64 	uint32_t	ierrors;
65 	uint64_t	opackets64;
66 	uint64_t	oerrors;
67 	uint32_t	collisions;
68 	uint64_t	ifspeed;
69 
70 	/*
71 	 * MAC TX Event stats
72 	 */
73 	uint32_t	txmac_urun;
74 	uint32_t	txmac_maxpkt_err;
75 	uint32_t	excessive_coll;
76 	uint32_t	late_coll;
77 	uint32_t	first_coll;
78 	uint32_t	defer_timer_exp;
79 	uint32_t	peak_attempt_cnt;
80 	uint32_t	tx_hang;
81 
82 	/*
83 	 * MAC RX Event stats
84 	 */
85 	uint32_t	rx_corr;
86 	uint32_t	no_free_rx_desc;	/* no free rx desc. */
87 	uint32_t	rx_overflow;
88 	uint32_t	rx_ovrflpkts;
89 	uint32_t	rx_hang;
90 	uint32_t	rx_align_err;
91 	uint32_t	rx_crc_err;
92 	uint32_t	rx_length_err;
93 	uint32_t	rx_code_viol_err;
94 
95 	/*
96 	 * MAC Control event stats
97 	 */
98 	uint32_t	pause_rxcount;	/* PAUSE Receive cnt */
99 	uint32_t	pause_oncount;
100 	uint32_t	pause_offcount;
101 	uint32_t	pause_time_count;
102 	uint32_t	pausing;
103 
104 	/*
105 	 * Software event stats
106 	 */
107 	uint32_t	inits;
108 	uint32_t	rx_inits;
109 	uint32_t	tx_inits;
110 	uint32_t	tnocar;	/* Link down counter */
111 
112 	uint32_t	jab;
113 	uint32_t	notmds;
114 	uint32_t	nocanput;
115 	uint32_t	allocbfail;
116 	uint32_t	drop;
117 	uint32_t	rx_corrupted;
118 	uint32_t	rx_bad_pkts;
119 	uint32_t	rx_runt;
120 	uint32_t	rx_toolong_pkts;
121 
122 
123 	/*
124 	 * Fatal errors
125 	 */
126 	uint32_t	rxtag_err;
127 
128 	/*
129 	 * parity error
130 	 */
131 	uint32_t	parity_error;
132 
133 	/*
134 	 * Fatal error stats
135 	 */
136 	uint32_t	pci_error_int;	/* PCI error interrupt */
137 	uint32_t	unknown_fatal;	/* unknown fatal errors */
138 
139 	/*
140 	 * PCI Configuration space staus register
141 	 */
142 	uint32_t	pci_data_parity_err;	/* Data parity err */
143 	uint32_t	pci_signal_target_abort;
144 	uint32_t	pci_rcvd_target_abort;
145 	uint32_t	pci_rcvd_master_abort;
146 	uint32_t	pci_signal_system_err;
147 	uint32_t	pci_det_parity_err;
148 
149 	/*
150 	 * MIB II variables
151 	 */
152 	uint64_t	rbytes64;	/* # bytes received */
153 	uint64_t	obytes64;	/* # bytes transmitted */
154 	uint32_t	multircv;	/* # multicast packets received */
155 	uint32_t	multixmt;	/* # multicast packets for xmit */
156 	uint32_t	brdcstrcv;	/* # broadcast packets received */
157 	uint32_t	brdcstxmt;	/* # broadcast packets for xmit */
158 	uint32_t	norcvbuf;	/* # rcv packets discarded */
159 	uint32_t	noxmtbuf;	/* # xmit packets discarded */
160 
161 	uint32_t	pmcap;		/* power management */
162 
163 	/*
164 	 * Link Status
165 	 */
166 	uint32_t	link_up;
167 	uint32_t	link_duplex;
168 } stats_t;
169 
170 #define	HSTAT(erip, x)		erip->stats.x++;
171 #define	HSTATN(erip, x, n)	erip->stats.x += n;
172 
173 
174 #define	TX_BCOPY_MAX		704	/* bcopy for packets < 704 bytes */
175 #define	RX_BCOPY_MAX		704	/* bcopy for packets < 704 bytes */
176 #define	TX_STREAM_MIN		512
177 
178 /*
179  * Per-Stream instance state information.
180  *
181  * Each instance is dynamically allocated at open() and free'd
182  * at close().  Each per-Stream instance points to at most one
183  * per-device structure using the sb_erip field.  All instances
184  * are threaded together into one list of active instances
185  * ordered on minor device number.
186  */
187 
188 #define	NMCFILTER_BITS	256		/* # of multicast filter bits */
189 
190 
191 /*
192  * Maximum number of receive descriptors posted to the chip.
193  */
194 #define	ERI_RPENDING		(erip->rpending)
195 
196 /*
197  * Maximum number of transmit descriptors for lazy reclaim.
198  */
199 #define	ERI_TPENDING	(erip->tpending)
200 
201 /*
202  * Return the address of an adjacent descriptor in the given ring.
203  */
204 #define	NEXTRMD(erip, rmdp)	(((rmdp) + 1) == (erip)->rmdlimp ?	\
205 	(erip)->rmdp : ((rmdp) + 1))
206 #define	NEXTTMD(erip, tmdp)	(((tmdp) + 1) == (erip)->eri_tmdlimp ?	\
207 	(erip)->eri_tmdp : ((tmdp) + 1))
208 #define	PREVTMD(erip, tmdp)	((tmdp) == (erip)->eri_tmdp ?		\
209 	((erip)->eri_tmdlimp - 1) : ((tmdp) - 1))
210 
211 #define	MSECOND(t)	t
212 #define	SECOND(t)	t*1000
213 #define	ERI_TICKS	MSECOND(100)
214 
215 #define	ERI_NTRIES_LOW		(SECOND(5)/ERI_TICKS)   /* 5 Seconds */
216 #define	ERI_NTRIES_HIGH		(SECOND(5)/ERI_TICKS)   /* 5 Seconds */
217 #define	ERI_NTRIES_LOW_10	(SECOND(2)/ERI_TICKS)   /* 2 Seconds */
218 #define	ERI_LINKDOWN_TIME	(SECOND(2)/ERI_TICKS)   /* 2 Seconds */
219 
220 
221 /*
222  * ERI ASIC Revision Numbers
223  */
224 #define	ERI_ERIREV_1_0	0x1
225 
226 /*
227  * Link poll interval for detecting change of transceivers
228  */
229 #define	ERI_LINKCHECK_TIMER	SECOND(3)
230 
231 /*
232  * Parallel detection Fault restart timer
233  */
234 #define	ERI_P_FAULT_TIMER	SECOND(3)
235 
236 /*
237  * Check rmac hang restart timer
238  */
239 #define	ERI_CHECK_HANG_TIMER	MSECOND(400)
240 #define	ERI_RMAC_HANG_WORKAROUND
241 
242 /*
243  * undefine ERI_PM_WORKAROUND this time. With ERI_PM_WORKAROUND defined,
244  * each non_fatal error causes pci clock to go up for 30 seconds. Therefore,
245  * no TXMAC_UNDERRUN or excessive RXFIFO_OVERFLOW should happen.
246  */
247 
248 
249 /*
250  * Link bringup modes
251  */
252 #define	ERI_AUTO_BRINGUP	0
253 #define	ERI_FORCED_BRINGUP	1
254 
255 /*
256  * Transceivers selected for use by the driver.
257  */
258 #define	NO_XCVR		2
259 #define	INTERNAL_XCVR	0
260 #define	EXTERNAL_XCVR	1
261 
262 /*
263  * states for manually creating the link down condition
264  */
265 #define	ERI_LINKDOWN_OK		0
266 #define	ERI_FORCE_LINKDOWN	1
267 #define	ERI_LINKDOWN_STARTED	2
268 #define	ERI_LINKDOWN_DONE	3
269 
270 /*
271  * states for bringing up the link in auto-negotiation mode
272  */
273 #define	ERI_HWAN_TRY		0 /* Try Hardware autonegotiation */
274 #define	ERI_HWAN_INPROGRESS	1 /* Hardware autonegotiation in progress */
275 #define	ERI_HWAN_SUCCESFUL	2 /* Hardware autonegotiation succesful */
276 #define	ERI_HWAN_FAILED		3 /* Hardware autonegotiation failed */
277 
278 /*
279  * states for resetting the transceiver
280  */
281 #define	RESET_TO_BE_ISSUED	0 /* Reset command to be issued to the PHY */
282 #define	RESET_ISSUED		1 /* Reset command has been issued */
283 #define	ISOLATE_ISSUED		2 /* Isolate-remove command has been issued */
284 
285 /*
286  * ERI Supported PHY devices
287  * ERI ASIC supports a built in Gigabit Serial LInk Interface and MII
288  * External SERDES interfaces with shared pins.
289  * On some product implementations, the built-in Serial Link may not be present
290  * either because the Serial Link circuitry does not work or because the product
291  * needs to use only the MII interface.
292  * When both the Serial Link and MII PHY's are present, the driver normally
293  * tries to bring up both the links. If both of them come up, it will select the
294  * link defined by the "eri_default_link" variable by default.
295  * The user may use the configuration variable
296  * eri_select_link to manually select
297  * either the Serial Link or the MII PHY to be used.
298  */
299 
300 /*
301  * Values for the eri_serial_link field
302  */
303 #define	ERI_SERIAL_LINK_NOT_PRESENT	0
304 #define	ERI_SERIAL_LINK_PRESENT		1
305 
306 /*
307  * Values for the eri_non-serial-link field
308  */
309 #define	ERI_NO_SHARED_PIN_PHY		0
310 #define	ERI_MII_PRESENT			1
311 #define	ERI_SERDES_PRESENT		2
312 
313 /*
314  * Values for the default selection when both the serial link and
315  * the MII links are present.
316  */
317 #define	ERI_DEFAULT_SERIAL_LINK	0
318 #define	ERI_DEFAULT_MII_LINK	1
319 
320 /*
321  * Values for the eri_select_link field to manually select the PHY
322  */
323 #define	ERI_AUTO_PHY			0	/* Select PHY automatically */
324 #define	ERI_USE_SERIAL_LINK		1	/* Select serial-link */
325 #define	ERI_USE_NON_SERIAL_LINK		2	/* Select non-serial-link */
326 
327 /*
328  * eri_linkup_state" definitions
329  */
330 #define	ERI_START_LINK_BRINGUP	0
331 #define	ERI_SERIAL_LINK_BRINGUP	1
332 #define	ERI_SERDES_LINK_BRINGUP	2
333 #define	ERI_MII_LINK_BRINGUP	3
334 #define	ERI_DEFAULT_LINK_BRINGUP	4
335 #define	ERI_ALT_LINK_BRINGUP	5
336 
337 /*
338  * structure used to detect tx hang condition
339  */
340 struct	erisave {
341 	ulong_t	starts;		  /* # of tx packets posted to the hw */
342 	uint64_t reclaim_opackets; /* # of tx packets reclaimed */
343 };
344 
345 /*
346  * ERI Device Channel instance state information.
347  *
348  * Each instance is dynamically allocated on first attach.
349  */
350 struct	eri {
351 	mac_handle_t		mh;		/* GLDv3 handle */
352 	dev_info_t		*dip;		/* associated dev_info */
353 	uint_t			instance;	/* instance */
354 
355 	int			pci_mode;	/* sbus/pci device (future) */
356 	int			cpci_mode;	/* compact pci dev (future) */
357 	int			low_power_mode; /* E* (low power) */
358 	int			asic_rev;	/* ERI ASIC rev no. */
359 	int			board_rev;	/* ERI ASIC rev no. */
360 	int			burstsizes;	/* binary encoded val */
361 	int			pagesize;	/* btop(9f) */
362 	uint32_t		rxfifo_size;	/* RX FIFO size */
363 
364 	int			rpending;	/* Max.no. of RX bufs post */
365 	int			tpending;	/* Max.no. of tX bufs post */
366 	int			tx_cur_cnt;	/* # of packets for int_me */
367 
368 	uint_t			multi_refcnt;
369 	boolean_t		promisc;
370 
371 	int			mifpoll_enable;
372 	int			frame_enable;
373 	int			lance_mode_enable;
374 	int			ngu_enable;
375 	int			link_pulse_disabled;
376 	int			xmit_dma_mode;
377 	int			rcv_dma_mode;
378 	uint8_t			ouraddr[ETHERADDRL];	/* unicast address */
379 	uint32_t		flags;		/* misc. flags */
380 	uint32_t		alloc_flag;	/* Buff alloc. status flags */
381 	boolean_t		wantw;		/* xmit: out of resources */
382 
383 	uint16_t		ladrf[NMCFILTER_BITS/16]; /* Multicast filter */
384 	uint16_t		ladrf_refcnt[NMCFILTER_BITS];
385 
386 	volatile struct	global	*globregp;	/* ERI global regs */
387 	volatile struct	etx	*etxregp;	/* ERI ETX regs */
388 	volatile struct	erx	*erxregp;	/* ERI ERX regs */
389 
390 	volatile struct	bmac	*bmacregp;	/* MAC regs */
391 	volatile struct	mif	*mifregp;	/* ERI transceiver */
392 	volatile struct	pcslink	*pcsregp;	/* ERI PCS regs */
393 
394 	uint32_t		*sw_reset_reg;
395 
396 	uint32_t		rx_kick;	/* RX kick register val */
397 	uint32_t		rx_completion;	/* RX completion reg val */
398 #ifdef	RCV_OVRFLOW_CORRUPTION_BUG
399 	uint32_t		rx_ovrflpks;	/* RX recompute checksum */
400 #endif
401 	uint32_t		tx_kick;	/* TX kick register val */
402 	uint32_t		tx_completion;	/* TX completion reg val */
403 
404 	struct	rmd		*rmdp;		/* rcv descript  ring start */
405 	struct	rmd		*rmdlimp;	/* rcv  descript ring end */
406 	struct	eri_tmd		*eri_tmdp;	/* xmit descript ring start */
407 	struct	eri_tmd		*eri_tmdlimp;	/* xmit descript ring end */
408 	volatile struct	rmd	*rnextp;	/* next chip rmd */
409 	volatile struct	rmd	*rlastp;	/* last free rmd */
410 	volatile struct	eri_tmd	*tnextp;	/* next free tmd */
411 
412 	volatile struct	eri_tmd	*tcurp;	/* nxt tmd to reclaim(used) */
413 	/*
414 	 * these are handles for the dvma resources reserved
415 	 * by dvma_reserve
416 	 */
417 	ddi_dma_handle_t	eri_dvmarh;	/* dvma recv handle */
418 	ddi_dma_handle_t	eri_dvmaxh;	/* dvma xmit handle */
419 
420 	/*
421 	 * these are used if dvma reserve fails, and we have to fall
422 	 * back on the older ddi_dma_addr_setup routines
423 	 */
424 	ddi_dma_handle_t	ndmarh[ERI_RMDMAX];
425 	ddi_dma_handle_t	ndmaxh[ERI_TMDMAX];
426 
427 	ddi_dma_handle_t	tbuf_handle;
428 	caddr_t			tbuf_kaddr;
429 	uint32_t		tbuf_ioaddr;
430 
431 	int			rcv_handle_cnt;
432 	int			xmit_handle_cnt;
433 
434 	int			rx_reset_issued;
435 	int			tx_reset_issued;
436 	int			rxmac_reset_issued;
437 	int			txmac_reset_issued;
438 
439 	int			global_reset_issued;
440 	uint32_t		rpending_mask;
441 	int			rmdmax_mask;
442 	int			init_macregs;
443 
444 	int			phyad;	/* addr of the PHY in use */
445 	int			xcvr;  /* current PHY in use */
446 
447 	int			openloop_autoneg;
448 
449 	uint16_t		mif_config;
450 	uint16_t		mif_mask;
451 
452 	uint32_t		tx_config;
453 
454 	uint32_t		vendor_id;	/* Vendor ID	*/
455 	uint16_t		device_id;	/* Device Model	*/
456 	uint16_t		device_rev;	/* Device Rev.	*/
457 	uint32_t		phy_address;	/* PHY Address	*/
458 	uint32_t		xcvr_status;	/* xcvr_status	*/
459 	uint32_t		xcvr_state;	/* xcvr_state	*/
460 	uint32_t		bringup_mode;	/* Bringup Mode	*/
461 	uint32_t		speed;		/* Current speed */
462 	uint32_t		duplex;		/* Xcvr Duplex	*/
463 	uint32_t		capability;	/* Xcvr Capability */
464 
465 	uint16_t		mii_control;
466 	uint16_t		mii_status;
467 	uint16_t		mii_anar;
468 	uint16_t		mii_lpanar;
469 
470 	int			autoneg;
471 	int			force_linkdown;
472 	int			mode;
473 
474 	int			linkup_10;
475 	int			pace_count;	/* pacing pkt count */
476 
477 	int			nlasttries;
478 	int			ntries;
479 	int			delay;
480 	int			linkup_attempts;
481 
482 	int			polling_on;
483 	int			mifpoll_data;
484 	int			mifpoll_flag; /* indicates MIF intr */
485 
486 	int			pauseTX;	/* pcs link-pause TX enable */
487 	int			pauseRX;	/* pcs link-pause RX enable */
488 	int			macfdx;	/* mac full-duplex mode */
489 	timeout_id_t		timerid;	/* timer id for links */
490 	int			linkup_cnt;
491 
492 	uint16_t		aner;	/* MII ANER register */
493 
494 	int			linkup;		/* selected link status */
495 	int			linkup_state; /* link bringup state */
496 	int			linkup_changed; /* link bringup state */
497 
498 	int			linkcheck;
499 	caddr_t			g_nd;	/* head of the */
500 						/* named dispatch table */
501 
502 	ddi_device_acc_attr_t	dev_attr;
503 	ddi_iblock_cookie_t	cookie;	/* interrupt cookie */
504 	ddi_acc_handle_t	globregh;   /* ERI global regs */
505 	ddi_acc_handle_t	etxregh;    /* ERI ETX regs */
506 	ddi_acc_handle_t	erxregh;    /* ERI ERX regs */
507 	ddi_acc_handle_t	bmacregh;   /* BigMAC registers */
508 	ddi_acc_handle_t	mifregh;    /* ERI transceiver */
509 	ddi_acc_handle_t	pcsregh;    /* ERI PCS regs */
510 
511 	ddi_acc_handle_t	sw_reset_regh;	/* ERI Reset Reg */
512 
513 	ddi_dma_cookie_t	md_c;	/* trmd dma cookie */
514 	ddi_acc_handle_t	mdm_h;	/* trmd memory handle */
515 	ddi_dma_handle_t	md_h;	/* trmdp dma handle */
516 
517 	ddi_acc_handle_t	pci_config_handle; /* ERI PCI config */
518 
519 	/*
520 	 * DDI dma handle, kernel virtual base,
521 	 * and io virtual base of IOPB area.
522 	 */
523 	ddi_dma_handle_t	iopbhandle;
524 	uintptr_t		iopbkbase;
525 	uintptr_t		iopbiobase;
526 	kstat_t			*ksp;		/* kstat pointer */
527 
528 	kmutex_t		xmitlock;	/* protect xmit-side fields */
529 	kmutex_t		xcvrlock;	/* */
530 	kmutex_t		intrlock;	/* protect intr-side fields */
531 	kmutex_t		linklock;	/* protect link-side fields */
532 
533 	mblk_t		*tmblkp[ERI_TMDMAX]; /* mblks assoc with TMD */
534 	mblk_t		*rmblkp[ERI_RMDMAX]; /* mblks assoc with RMD */
535 	param_t		param_arr[ERI_PARAM_CNT];
536 
537 	struct	stats stats;	/* kstats */
538 
539 	/*
540 	 * Check if transmitter is hung
541 	 */
542 	uint32_t	starts;
543 	uint32_t	txhung;
544 	struct		erisave erisave;
545 
546 	uint64_t	ifspeed_old;
547 
548 #ifdef ERI_RMAC_HANG_WORKAROUND
549 	uint32_t	check_rmac_hang;
550 	uint32_t	check2_rmac_hang;
551 	uint32_t	rxfifo_wr_ptr;
552 	uint32_t	rxfifo_rd_ptr;
553 	uint32_t	rxfifo_wr_ptr_c;
554 	uint32_t	rxfifo_rd_ptr_c;
555 #endif
556 	uint32_t	tx_int_me;
557 };
558 
559 /*
560  * LADRF bit array manipulation macros.  These are for working within the
561  * array of words defined by erip->ladrf, converting a bit (0-255) into
562  * the index and offset in the ladrf bit array.  Note that the array is
563  * provided in "Big Endian" order.
564  */
565 #define	LADRF_MASK(bit)		(1 << ((bit) % 16))
566 #define	LADRF_WORD(erip, bit)	erip->ladrf[(15 - ((bit) / 16))]
567 #define	LADRF_SET(erip, bit)	(LADRF_WORD(erip, bit) |= LADRF_MASK(bit))
568 #define	LADRF_CLR(erip, bit)	(LADRF_WORD(erip, bit) &= ~LADRF_MASK(bit))
569 
570 /*
571  * ERI IOCTLS.
572  * Change : TODO : MBE
573  */
574 #define	ERIIOC		('G' << 8)
575 #define	ERI_SET_LOOP_MODE	(ERIIOC|1)	/* Set Rio Loopback mode */
576 #define	ERI_GET_LOOP_MODE	(ERIIOC|2)	/* Get Rio Loopback modes */
577 #define	ERI_GET_LOOP_IFCNT	(ERIIOC|4)	/* Get Rio IF Count */
578 
579 /*
580  * Loopback modes: For diagnostic testing purposes the ERI card
581  * can be placed in loopback mode.
582  * There are three modes of loopback provided by the driver,
583  * Mac loopback, PCS loopback and Serdes loopback.
584  */
585 #define	ERI_LOOPBACK_OFF		0
586 #define	ERI_MAC_LOOPBACK_ON		1
587 #define	ERI_PCS_LOOPBACK_ON 		2
588 #define	ERI_SER_LOOPBACK_ON 		4
589 typedef struct {
590 	int loopback;
591 } loopback_t;
592 
593 
594 /*
595  * flags
596  * TODO : MBE
597  */
598 #define	ERI_UNKOWN	0x00	/* unknown state	*/
599 #define	ERI_RUNNING	0x01	/* chip is initialized	*/
600 #define	ERI_STARTED	0x02	/* mac layer started */
601 #define	ERI_SUSPENDED	0x08	/* suspended interface	*/
602 #define	ERI_INITIALIZED	0x10	/* interface initialized */
603 #define	ERI_NOTIMEOUTS	0x20	/* disallow timeout rescheduling */
604 #define	ERI_TXINIT	0x40	/* TX Portion Init'ed	*/
605 #define	ERI_RXINIT	0x80	/* RX Portion Init'ed	*/
606 #define	ERI_MACLOOPBACK	0x100	/* device has MAC int lpbk (DIAG) */
607 #define	ERI_SERLOOPBACK	0x200	/* device has SERDES int lpbk (DIAG) */
608 #define	ERI_DLPI_LINKUP	0x400	/* */
609 
610 /*
611  * Mac address flags
612  */
613 #define	ERI_FACTADDR_PRESENT	0x01	/* factory MAC id present */
614 #define	ERI_FACTADDR_USE	0x02	/* use factory MAC id */
615 
616 struct erikstat {
617 	/*
618 	 * Software event stats
619 	 */
620 	struct kstat_named	erik_inits;
621 	struct kstat_named	erik_rx_inits;
622 	struct kstat_named	erik_tx_inits;
623 
624 	struct kstat_named	erik_allocbfail;
625 	struct kstat_named	erik_drop;
626 
627 	/*
628 	 * MAC Control event stats
629 	 */
630 	struct kstat_named	erik_pause_rxcount; /* PAUSE Receive count */
631 	struct kstat_named	erik_pause_oncount;
632 	struct kstat_named	erik_pause_offcount;
633 	struct kstat_named	erik_pause_time_count;
634 
635 	/*
636 	 * MAC TX Event stats
637 	 */
638 	struct kstat_named	erik_txmac_maxpkt_err;
639 	struct kstat_named	erik_defer_timer_exp;
640 	struct kstat_named	erik_peak_attempt_cnt;
641 	struct kstat_named	erik_jab;
642 	struct kstat_named	erik_notmds;
643 	struct kstat_named	erik_tx_hang;
644 
645 	/*
646 	 * MAC RX Event stats
647 	 */
648 	struct kstat_named	erik_no_free_rx_desc; /* no free rx desc. */
649 	struct kstat_named	erik_rx_hang;
650 	struct kstat_named	erik_rx_length_err;
651 	struct kstat_named	erik_rx_code_viol_err;
652 	struct kstat_named	erik_rx_bad_pkts;
653 
654 	/*
655 	 * Fatal errors
656 	 */
657 	struct kstat_named	erik_rxtag_err;
658 
659 	/*
660 	 * Parity error
661 	 */
662 	struct kstat_named	erik_parity_error;
663 
664 	/*
665 	 * PCI fatal error stats
666 	 */
667 	struct kstat_named	erik_pci_error_int;  /* PCI error interrupt */
668 	struct kstat_named	erik_unknown_fatal;	/* unknow fatal error */
669 
670 	/*
671 	 * PCI Configuration space staus register
672 	 */
673 	struct kstat_named	erik_pci_data_parity_err; /* dparity err */
674 	struct kstat_named	erik_pci_signal_target_abort;
675 	struct kstat_named	erik_pci_rcvd_target_abort;
676 	struct kstat_named	erik_pci_rcvd_master_abort;
677 	struct kstat_named	erik_pci_signal_system_err;
678 	struct kstat_named	erik_pci_det_parity_err;
679 
680 
681 	struct kstat_named	erik_pmcap;	/* Power management */
682 };
683 
684 /* TBD: new value ? */
685 #define	ERI_DRAINTIME	(400000)	/* # microseconds xmit drain */
686 
687 #define	ROUNDUP(a, n)	(((a) + ((n) - 1)) & ~((n) - 1))
688 #define	ROUNDUP2(a, n)	(uchar_t *)((((uintptr_t)(a)) + ((n) - 1)) & ~((n) - 1))
689 
690 /*
691  * Xmit/receive buffer structure.
692  * This structure is organized to meet the following requirements:
693  * - hb_buf starts on an ERI_BURSTSIZE boundary.
694  * - eribuf is an even multiple of ERI_BURSTSIZE
695  * - hb_buf[] is large enough to contain max frame (1518) plus
696  *   (3 x ERI_BURSTSIZE) rounded up to the next ERI_BURSTSIZE
697  */
698 /*
699  * #define		ERI_BURSTSIZE	(64)
700  */
701 #define		ERI_BURSTSIZE	(128)
702 #define		ERI_BURSTMASK	(ERIBURSTSIZE - 1)
703 #define		ERI_BUFSIZE	(1728)	/* (ETHERMTU + 228) */
704 #define		ERI_HEADROOM	(34)
705 
706 /* Offset for the first byte in the receive buffer */
707 #define	ERI_FSTBYTE_OFFSET	2
708 #define	ERI_CKSUM_OFFSET	14
709 
710 
711 #define	ERI_PMCAP_NONE	0
712 #define	ERI_PMCAP_4MHZ	4
713 
714 #endif	/* _KERNEL */
715 
716 #ifdef	__cplusplus
717 }
718 #endif
719 
720 #endif	/* _SYS_ERI_H */
721