xref: /titanic_44/usr/src/uts/common/io/nxge/nxge_main.c (revision 159d09a20817016f09b3ea28d1bdada4a336bb91)
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 /*
27  * SunOs MT STREAMS NIU/Neptune 10Gb Ethernet Device Driver.
28  */
29 #include	<sys/nxge/nxge_impl.h>
30 #include	<sys/nxge/nxge_hio.h>
31 #include	<sys/nxge/nxge_rxdma.h>
32 #include	<sys/pcie.h>
33 
34 uint32_t 	nxge_use_partition = 0;		/* debug partition flag */
35 uint32_t 	nxge_dma_obp_props_only = 1;	/* use obp published props */
36 uint32_t 	nxge_use_rdc_intr = 1;		/* debug to assign rdc intr */
37 /*
38  * PSARC/2007/453 MSI-X interrupt limit override
39  * (This PSARC case is limited to MSI-X vectors
40  *  and SPARC platforms only).
41  */
42 #if defined(_BIG_ENDIAN)
43 uint32_t	nxge_msi_enable = 2;
44 #else
45 uint32_t	nxge_msi_enable = 1;
46 #endif
47 
48 /*
49  * Software workaround for a Neptune (PCI-E)
50  * hardware interrupt bug which the hardware
51  * may generate spurious interrupts after the
52  * device interrupt handler was removed. If this flag
53  * is enabled, the driver will reset the
54  * hardware when devices are being detached.
55  */
56 uint32_t	nxge_peu_reset_enable = 0;
57 
58 /*
59  * Software workaround for the hardware
60  * checksum bugs that affect packet transmission
61  * and receive:
62  *
63  * Usage of nxge_cksum_offload:
64  *
65  *  (1) nxge_cksum_offload = 0 (default):
66  *	- transmits packets:
67  *	  TCP: uses the hardware checksum feature.
68  *	  UDP: driver will compute the software checksum
69  *	       based on the partial checksum computed
70  *	       by the IP layer.
71  *	- receives packets
72  *	  TCP: marks packets checksum flags based on hardware result.
73  *	  UDP: will not mark checksum flags.
74  *
75  *  (2) nxge_cksum_offload = 1:
76  *	- transmit packets:
77  *	  TCP/UDP: uses the hardware checksum feature.
78  *	- receives packets
79  *	  TCP/UDP: marks packet checksum flags based on hardware result.
80  *
81  *  (3) nxge_cksum_offload = 2:
82  *	- The driver will not register its checksum capability.
83  *	  Checksum for both TCP and UDP will be computed
84  *	  by the stack.
85  *	- The software LSO is not allowed in this case.
86  *
87  *  (4) nxge_cksum_offload > 2:
88  *	- Will be treated as it is set to 2
89  *	  (stack will compute the checksum).
90  *
91  *  (5) If the hardware bug is fixed, this workaround
92  *	needs to be updated accordingly to reflect
93  *	the new hardware revision.
94  */
95 uint32_t	nxge_cksum_offload = 0;
96 
97 /*
98  * Globals: tunable parameters (/etc/system or adb)
99  *
100  */
101 uint32_t 	nxge_rbr_size = NXGE_RBR_RBB_DEFAULT;
102 uint32_t 	nxge_rbr_spare_size = 0;
103 uint32_t 	nxge_rcr_size = NXGE_RCR_DEFAULT;
104 uint32_t 	nxge_tx_ring_size = NXGE_TX_RING_DEFAULT;
105 boolean_t 	nxge_no_msg = B_TRUE;		/* control message display */
106 uint32_t 	nxge_no_link_notify = 0;	/* control DL_NOTIFY */
107 uint32_t 	nxge_bcopy_thresh = TX_BCOPY_MAX;
108 uint32_t 	nxge_dvma_thresh = TX_FASTDVMA_MIN;
109 uint32_t 	nxge_dma_stream_thresh = TX_STREAM_MIN;
110 uint32_t	nxge_jumbo_mtu	= TX_JUMBO_MTU;
111 boolean_t	nxge_jumbo_enable = B_FALSE;
112 uint16_t	nxge_rcr_timeout = NXGE_RDC_RCR_TIMEOUT;
113 uint16_t	nxge_rcr_threshold = NXGE_RDC_RCR_THRESHOLD;
114 nxge_tx_mode_t	nxge_tx_scheme = NXGE_USE_SERIAL;
115 
116 /* MAX LSO size */
117 #define		NXGE_LSO_MAXLEN	65535
118 uint32_t	nxge_lso_max = NXGE_LSO_MAXLEN;
119 
120 /*
121  * Debugging flags:
122  *		nxge_no_tx_lb : transmit load balancing
123  *		nxge_tx_lb_policy: 0 - TCP port (default)
124  *				   3 - DEST MAC
125  */
126 uint32_t 	nxge_no_tx_lb = 0;
127 uint32_t 	nxge_tx_lb_policy = NXGE_TX_LB_TCPUDP;
128 
129 /*
130  * Add tunable to reduce the amount of time spent in the
131  * ISR doing Rx Processing.
132  */
133 uint32_t nxge_max_rx_pkts = 1024;
134 
135 /*
136  * Tunables to manage the receive buffer blocks.
137  *
138  * nxge_rx_threshold_hi: copy all buffers.
139  * nxge_rx_bcopy_size_type: receive buffer block size type.
140  * nxge_rx_threshold_lo: copy only up to tunable block size type.
141  */
142 nxge_rxbuf_threshold_t nxge_rx_threshold_hi = NXGE_RX_COPY_6;
143 nxge_rxbuf_type_t nxge_rx_buf_size_type = RCR_PKTBUFSZ_0;
144 nxge_rxbuf_threshold_t nxge_rx_threshold_lo = NXGE_RX_COPY_3;
145 
146 /* Use kmem_alloc() to allocate data buffers. */
147 #if defined(_BIG_ENDIAN)
148 uint32_t	nxge_use_kmem_alloc = 1;
149 #else
150 uint32_t	nxge_use_kmem_alloc = 0;
151 #endif
152 
153 rtrace_t npi_rtracebuf;
154 
155 /*
156  * The hardware sometimes fails to allow enough time for the link partner
157  * to send an acknowledgement for packets that the hardware sent to it. The
158  * hardware resends the packets earlier than it should be in those instances.
159  * This behavior caused some switches to acknowledge the wrong packets
160  * and it triggered the fatal error.
161  * This software workaround is to set the replay timer to a value
162  * suggested by the hardware team.
163  *
164  * PCI config space replay timer register:
165  *     The following replay timeout value is 0xc
166  *     for bit 14:18.
167  */
168 #define	PCI_REPLAY_TIMEOUT_CFG_OFFSET	0xb8
169 #define	PCI_REPLAY_TIMEOUT_SHIFT	14
170 
171 uint32_t	nxge_set_replay_timer = 1;
172 uint32_t	nxge_replay_timeout = 0xc;
173 
174 /*
175  * The transmit serialization sometimes causes
176  * longer sleep before calling the driver transmit
177  * function as it sleeps longer than it should.
178  * The performace group suggests that a time wait tunable
179  * can be used to set the maximum wait time when needed
180  * and the default is set to 1 tick.
181  */
182 uint32_t	nxge_tx_serial_maxsleep = 1;
183 
184 #if	defined(sun4v)
185 /*
186  * Hypervisor N2/NIU services information.
187  */
188 static hsvc_info_t niu_hsvc = {
189 	HSVC_REV_1, NULL, HSVC_GROUP_NIU, NIU_MAJOR_VER,
190 	NIU_MINOR_VER, "nxge"
191 };
192 
193 static int nxge_hsvc_register(p_nxge_t);
194 #endif
195 
196 /*
197  * Function Prototypes
198  */
199 static int nxge_attach(dev_info_t *, ddi_attach_cmd_t);
200 static int nxge_detach(dev_info_t *, ddi_detach_cmd_t);
201 static void nxge_unattach(p_nxge_t);
202 static int nxge_quiesce(dev_info_t *);
203 
204 #if NXGE_PROPERTY
205 static void nxge_remove_hard_properties(p_nxge_t);
206 #endif
207 
208 /*
209  * These two functions are required by nxge_hio.c
210  */
211 extern int nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr);
212 extern int nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot);
213 extern void nxge_grp_cleanup(p_nxge_t nxge);
214 
215 static nxge_status_t nxge_setup_system_dma_pages(p_nxge_t);
216 
217 static nxge_status_t nxge_setup_mutexes(p_nxge_t);
218 static void nxge_destroy_mutexes(p_nxge_t);
219 
220 static nxge_status_t nxge_map_regs(p_nxge_t nxgep);
221 static void nxge_unmap_regs(p_nxge_t nxgep);
222 #ifdef	NXGE_DEBUG
223 static void nxge_test_map_regs(p_nxge_t nxgep);
224 #endif
225 
226 static nxge_status_t nxge_add_intrs(p_nxge_t nxgep);
227 static nxge_status_t nxge_add_soft_intrs(p_nxge_t nxgep);
228 static void nxge_remove_intrs(p_nxge_t nxgep);
229 static void nxge_remove_soft_intrs(p_nxge_t nxgep);
230 
231 static nxge_status_t nxge_add_intrs_adv(p_nxge_t nxgep);
232 static nxge_status_t nxge_add_intrs_adv_type(p_nxge_t, uint32_t);
233 static nxge_status_t nxge_add_intrs_adv_type_fix(p_nxge_t, uint32_t);
234 static void nxge_intrs_enable(p_nxge_t nxgep);
235 static void nxge_intrs_disable(p_nxge_t nxgep);
236 
237 static void nxge_suspend(p_nxge_t);
238 static nxge_status_t nxge_resume(p_nxge_t);
239 
240 static nxge_status_t nxge_setup_dev(p_nxge_t);
241 static void nxge_destroy_dev(p_nxge_t);
242 
243 static nxge_status_t nxge_alloc_mem_pool(p_nxge_t);
244 static void nxge_free_mem_pool(p_nxge_t);
245 
246 nxge_status_t nxge_alloc_rx_mem_pool(p_nxge_t);
247 static void nxge_free_rx_mem_pool(p_nxge_t);
248 
249 nxge_status_t nxge_alloc_tx_mem_pool(p_nxge_t);
250 static void nxge_free_tx_mem_pool(p_nxge_t);
251 
252 static nxge_status_t nxge_dma_mem_alloc(p_nxge_t, dma_method_t,
253 	struct ddi_dma_attr *,
254 	size_t, ddi_device_acc_attr_t *, uint_t,
255 	p_nxge_dma_common_t);
256 
257 static void nxge_dma_mem_free(p_nxge_dma_common_t);
258 static void nxge_dma_free_rx_data_buf(p_nxge_dma_common_t);
259 
260 static nxge_status_t nxge_alloc_rx_buf_dma(p_nxge_t, uint16_t,
261 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
262 static void nxge_free_rx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
263 
264 static nxge_status_t nxge_alloc_rx_cntl_dma(p_nxge_t, uint16_t,
265 	p_nxge_dma_common_t *, size_t);
266 static void nxge_free_rx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
267 
268 extern nxge_status_t nxge_alloc_tx_buf_dma(p_nxge_t, uint16_t,
269 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
270 static void nxge_free_tx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
271 
272 extern nxge_status_t nxge_alloc_tx_cntl_dma(p_nxge_t, uint16_t,
273 	p_nxge_dma_common_t *,
274 	size_t);
275 static void nxge_free_tx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
276 
277 static int nxge_init_common_dev(p_nxge_t);
278 static void nxge_uninit_common_dev(p_nxge_t);
279 extern int nxge_param_set_mac(p_nxge_t, queue_t *, mblk_t *,
280     char *, caddr_t);
281 
282 /*
283  * The next declarations are for the GLDv3 interface.
284  */
285 static int nxge_m_start(void *);
286 static void nxge_m_stop(void *);
287 static int nxge_m_unicst(void *, const uint8_t *);
288 static int nxge_m_multicst(void *, boolean_t, const uint8_t *);
289 static int nxge_m_promisc(void *, boolean_t);
290 static void nxge_m_ioctl(void *, queue_t *, mblk_t *);
291 static void nxge_m_resources(void *);
292 mblk_t *nxge_m_tx(void *arg, mblk_t *);
293 static nxge_status_t nxge_mac_register(p_nxge_t);
294 static int nxge_altmac_set(p_nxge_t nxgep, uint8_t *mac_addr,
295 	mac_addr_slot_t slot);
296 void nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot,
297 	boolean_t factory);
298 static int nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr);
299 static int nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr);
300 static int nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr);
301 static	boolean_t nxge_m_getcapab(void *, mac_capab_t, void *);
302 static int nxge_m_setprop(void *, const char *, mac_prop_id_t,
303     uint_t, const void *);
304 static int nxge_m_getprop(void *, const char *, mac_prop_id_t,
305     uint_t, uint_t, void *);
306 static int nxge_set_priv_prop(nxge_t *, const char *, uint_t,
307     const void *);
308 static int nxge_get_priv_prop(nxge_t *, const char *, uint_t, uint_t,
309     void *);
310 static int nxge_get_def_val(nxge_t *, mac_prop_id_t, uint_t, void *);
311 
312 static void nxge_niu_peu_reset(p_nxge_t nxgep);
313 static void nxge_set_pci_replay_timeout(nxge_t *);
314 
315 mac_priv_prop_t nxge_priv_props[] = {
316 	{"_adv_10gfdx_cap", MAC_PROP_PERM_RW},
317 	{"_adv_pause_cap", MAC_PROP_PERM_RW},
318 	{"_function_number", MAC_PROP_PERM_READ},
319 	{"_fw_version", MAC_PROP_PERM_READ},
320 	{"_port_mode", MAC_PROP_PERM_READ},
321 	{"_hot_swap_phy", MAC_PROP_PERM_READ},
322 	{"_accept_jumbo", MAC_PROP_PERM_RW},
323 	{"_rxdma_intr_time", MAC_PROP_PERM_RW},
324 	{"_rxdma_intr_pkts", MAC_PROP_PERM_RW},
325 	{"_class_opt_ipv4_tcp", MAC_PROP_PERM_RW},
326 	{"_class_opt_ipv4_udp", MAC_PROP_PERM_RW},
327 	{"_class_opt_ipv4_ah", MAC_PROP_PERM_RW},
328 	{"_class_opt_ipv4_sctp", MAC_PROP_PERM_RW},
329 	{"_class_opt_ipv6_tcp", MAC_PROP_PERM_RW},
330 	{"_class_opt_ipv6_udp", MAC_PROP_PERM_RW},
331 	{"_class_opt_ipv6_ah", MAC_PROP_PERM_RW},
332 	{"_class_opt_ipv6_sctp", MAC_PROP_PERM_RW},
333 	{"_soft_lso_enable", MAC_PROP_PERM_RW}
334 };
335 
336 #define	NXGE_MAX_PRIV_PROPS	\
337 	(sizeof (nxge_priv_props)/sizeof (mac_priv_prop_t))
338 
339 #define	NXGE_M_CALLBACK_FLAGS\
340 	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
341 
342 
343 #define	NXGE_NEPTUNE_MAGIC	0x4E584745UL
344 #define	MAX_DUMP_SZ 256
345 
346 #define	NXGE_M_CALLBACK_FLAGS	\
347 	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
348 
349 mac_callbacks_t nxge_m_callbacks = {
350 	NXGE_M_CALLBACK_FLAGS,
351 	nxge_m_stat,
352 	nxge_m_start,
353 	nxge_m_stop,
354 	nxge_m_promisc,
355 	nxge_m_multicst,
356 	nxge_m_unicst,
357 	nxge_m_tx,
358 	nxge_m_resources,
359 	nxge_m_ioctl,
360 	nxge_m_getcapab,
361 	NULL,
362 	NULL,
363 	nxge_m_setprop,
364 	nxge_m_getprop
365 };
366 
367 void
368 nxge_err_inject(p_nxge_t, queue_t *, mblk_t *);
369 
370 /* PSARC/2007/453 MSI-X interrupt limit override. */
371 #define	NXGE_MSIX_REQUEST_10G	8
372 #define	NXGE_MSIX_REQUEST_1G	2
373 static int nxge_create_msi_property(p_nxge_t);
374 
375 /*
376  * These global variables control the message
377  * output.
378  */
379 out_dbgmsg_t nxge_dbgmsg_out = DBG_CONSOLE | STR_LOG;
380 uint64_t nxge_debug_level;
381 
382 /*
383  * This list contains the instance structures for the Neptune
384  * devices present in the system. The lock exists to guarantee
385  * mutually exclusive access to the list.
386  */
387 void 			*nxge_list = NULL;
388 
389 void			*nxge_hw_list = NULL;
390 nxge_os_mutex_t 	nxge_common_lock;
391 
392 extern uint64_t 	npi_debug_level;
393 
394 extern nxge_status_t	nxge_ldgv_init(p_nxge_t, int *, int *);
395 extern nxge_status_t	nxge_ldgv_init_n2(p_nxge_t, int *, int *);
396 extern nxge_status_t	nxge_ldgv_uninit(p_nxge_t);
397 extern nxge_status_t	nxge_intr_ldgv_init(p_nxge_t);
398 extern void		nxge_fm_init(p_nxge_t,
399 					ddi_device_acc_attr_t *,
400 					ddi_device_acc_attr_t *,
401 					ddi_dma_attr_t *);
402 extern void		nxge_fm_fini(p_nxge_t);
403 extern npi_status_t	npi_mac_altaddr_disable(npi_handle_t, uint8_t, uint8_t);
404 
405 /*
406  * Count used to maintain the number of buffers being used
407  * by Neptune instances and loaned up to the upper layers.
408  */
409 uint32_t nxge_mblks_pending = 0;
410 
411 /*
412  * Device register access attributes for PIO.
413  */
414 static ddi_device_acc_attr_t nxge_dev_reg_acc_attr = {
415 	DDI_DEVICE_ATTR_V0,
416 	DDI_STRUCTURE_LE_ACC,
417 	DDI_STRICTORDER_ACC,
418 };
419 
420 /*
421  * Device descriptor access attributes for DMA.
422  */
423 static ddi_device_acc_attr_t nxge_dev_desc_dma_acc_attr = {
424 	DDI_DEVICE_ATTR_V0,
425 	DDI_STRUCTURE_LE_ACC,
426 	DDI_STRICTORDER_ACC
427 };
428 
429 /*
430  * Device buffer access attributes for DMA.
431  */
432 static ddi_device_acc_attr_t nxge_dev_buf_dma_acc_attr = {
433 	DDI_DEVICE_ATTR_V0,
434 	DDI_STRUCTURE_BE_ACC,
435 	DDI_STRICTORDER_ACC
436 };
437 
438 ddi_dma_attr_t nxge_desc_dma_attr = {
439 	DMA_ATTR_V0,		/* version number. */
440 	0,			/* low address */
441 	0xffffffffffffffff,	/* high address */
442 	0xffffffffffffffff,	/* address counter max */
443 #ifndef NIU_PA_WORKAROUND
444 	0x100000,		/* alignment */
445 #else
446 	0x2000,
447 #endif
448 	0xfc00fc,		/* dlim_burstsizes */
449 	0x1,			/* minimum transfer size */
450 	0xffffffffffffffff,	/* maximum transfer size */
451 	0xffffffffffffffff,	/* maximum segment size */
452 	1,			/* scatter/gather list length */
453 	(unsigned int) 1,	/* granularity */
454 	0			/* attribute flags */
455 };
456 
457 ddi_dma_attr_t nxge_tx_dma_attr = {
458 	DMA_ATTR_V0,		/* version number. */
459 	0,			/* low address */
460 	0xffffffffffffffff,	/* high address */
461 	0xffffffffffffffff,	/* address counter max */
462 #if defined(_BIG_ENDIAN)
463 	0x2000,			/* alignment */
464 #else
465 	0x1000,			/* alignment */
466 #endif
467 	0xfc00fc,		/* dlim_burstsizes */
468 	0x1,			/* minimum transfer size */
469 	0xffffffffffffffff,	/* maximum transfer size */
470 	0xffffffffffffffff,	/* maximum segment size */
471 	5,			/* scatter/gather list length */
472 	(unsigned int) 1,	/* granularity */
473 	0			/* attribute flags */
474 };
475 
476 ddi_dma_attr_t nxge_rx_dma_attr = {
477 	DMA_ATTR_V0,		/* version number. */
478 	0,			/* low address */
479 	0xffffffffffffffff,	/* high address */
480 	0xffffffffffffffff,	/* address counter max */
481 	0x2000,			/* alignment */
482 	0xfc00fc,		/* dlim_burstsizes */
483 	0x1,			/* minimum transfer size */
484 	0xffffffffffffffff,	/* maximum transfer size */
485 	0xffffffffffffffff,	/* maximum segment size */
486 	1,			/* scatter/gather list length */
487 	(unsigned int) 1,	/* granularity */
488 	DDI_DMA_RELAXED_ORDERING /* attribute flags */
489 };
490 
491 ddi_dma_lim_t nxge_dma_limits = {
492 	(uint_t)0,		/* dlim_addr_lo */
493 	(uint_t)0xffffffff,	/* dlim_addr_hi */
494 	(uint_t)0xffffffff,	/* dlim_cntr_max */
495 	(uint_t)0xfc00fc,	/* dlim_burstsizes for 32 and 64 bit xfers */
496 	0x1,			/* dlim_minxfer */
497 	1024			/* dlim_speed */
498 };
499 
500 dma_method_t nxge_force_dma = DVMA;
501 
502 /*
503  * dma chunk sizes.
504  *
505  * Try to allocate the largest possible size
506  * so that fewer number of dma chunks would be managed
507  */
508 #ifdef NIU_PA_WORKAROUND
509 size_t alloc_sizes [] = {0x2000};
510 #else
511 size_t alloc_sizes [] = {0x1000, 0x2000, 0x4000, 0x8000,
512 		0x10000, 0x20000, 0x40000, 0x80000,
513 		0x100000, 0x200000, 0x400000, 0x800000,
514 		0x1000000, 0x2000000, 0x4000000};
515 #endif
516 
517 /*
518  * Translate "dev_t" to a pointer to the associated "dev_info_t".
519  */
520 
521 extern void nxge_get_environs(nxge_t *);
522 
523 static int
524 nxge_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
525 {
526 	p_nxge_t	nxgep = NULL;
527 	int		instance;
528 	int		status = DDI_SUCCESS;
529 	uint8_t		portn;
530 	nxge_mmac_t	*mmac_info;
531 	p_nxge_param_t	param_arr;
532 
533 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_attach"));
534 
535 	/*
536 	 * Get the device instance since we'll need to setup
537 	 * or retrieve a soft state for this instance.
538 	 */
539 	instance = ddi_get_instance(dip);
540 
541 	switch (cmd) {
542 	case DDI_ATTACH:
543 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_ATTACH"));
544 		break;
545 
546 	case DDI_RESUME:
547 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_RESUME"));
548 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
549 		if (nxgep == NULL) {
550 			status = DDI_FAILURE;
551 			break;
552 		}
553 		if (nxgep->dip != dip) {
554 			status = DDI_FAILURE;
555 			break;
556 		}
557 		if (nxgep->suspended == DDI_PM_SUSPEND) {
558 			status = ddi_dev_is_needed(nxgep->dip, 0, 1);
559 		} else {
560 			status = nxge_resume(nxgep);
561 		}
562 		goto nxge_attach_exit;
563 
564 	case DDI_PM_RESUME:
565 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_RESUME"));
566 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
567 		if (nxgep == NULL) {
568 			status = DDI_FAILURE;
569 			break;
570 		}
571 		if (nxgep->dip != dip) {
572 			status = DDI_FAILURE;
573 			break;
574 		}
575 		status = nxge_resume(nxgep);
576 		goto nxge_attach_exit;
577 
578 	default:
579 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing unknown"));
580 		status = DDI_FAILURE;
581 		goto nxge_attach_exit;
582 	}
583 
584 
585 	if (ddi_soft_state_zalloc(nxge_list, instance) == DDI_FAILURE) {
586 		status = DDI_FAILURE;
587 		goto nxge_attach_exit;
588 	}
589 
590 	nxgep = ddi_get_soft_state(nxge_list, instance);
591 	if (nxgep == NULL) {
592 		status = NXGE_ERROR;
593 		goto nxge_attach_fail2;
594 	}
595 
596 	nxgep->nxge_magic = NXGE_MAGIC;
597 
598 	nxgep->drv_state = 0;
599 	nxgep->dip = dip;
600 	nxgep->instance = instance;
601 	nxgep->p_dip = ddi_get_parent(dip);
602 	nxgep->nxge_debug_level = nxge_debug_level;
603 	npi_debug_level = nxge_debug_level;
604 
605 	/* Are we a guest running in a Hybrid I/O environment? */
606 	nxge_get_environs(nxgep);
607 
608 	status = nxge_map_regs(nxgep);
609 
610 	if (status != NXGE_OK) {
611 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_map_regs failed"));
612 		goto nxge_attach_fail3;
613 	}
614 
615 	nxge_fm_init(nxgep, &nxge_dev_reg_acc_attr,
616 	    &nxge_dev_desc_dma_acc_attr,
617 	    &nxge_rx_dma_attr);
618 
619 	/* Create & initialize the per-Neptune data structure */
620 	/* (even if we're a guest). */
621 	status = nxge_init_common_dev(nxgep);
622 	if (status != NXGE_OK) {
623 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
624 		    "nxge_init_common_dev failed"));
625 		goto nxge_attach_fail4;
626 	}
627 
628 	/*
629 	 * Software workaround: set the replay timer.
630 	 */
631 	if (nxgep->niu_type != N2_NIU) {
632 		nxge_set_pci_replay_timeout(nxgep);
633 	}
634 
635 #if defined(sun4v)
636 	/* This is required by nxge_hio_init(), which follows. */
637 	if ((status = nxge_hsvc_register(nxgep)) != DDI_SUCCESS)
638 		goto nxge_attach_fail4;
639 #endif
640 
641 	if ((status = nxge_hio_init(nxgep)) != NXGE_OK) {
642 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
643 		    "nxge_hio_init failed"));
644 		goto nxge_attach_fail4;
645 	}
646 
647 	if (nxgep->niu_type == NEPTUNE_2_10GF) {
648 		if (nxgep->function_num > 1) {
649 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Unsupported"
650 			    " function %d. Only functions 0 and 1 are "
651 			    "supported for this card.", nxgep->function_num));
652 			status = NXGE_ERROR;
653 			goto nxge_attach_fail4;
654 		}
655 	}
656 
657 	if (isLDOMguest(nxgep)) {
658 		/*
659 		 * Use the function number here.
660 		 */
661 		nxgep->mac.portnum = nxgep->function_num;
662 		nxgep->mac.porttype = PORT_TYPE_LOGICAL;
663 
664 		/* XXX We'll set the MAC address counts to 1 for now. */
665 		mmac_info = &nxgep->nxge_mmac_info;
666 		mmac_info->num_mmac = 1;
667 		mmac_info->naddrfree = 1;
668 	} else {
669 		portn = NXGE_GET_PORT_NUM(nxgep->function_num);
670 		nxgep->mac.portnum = portn;
671 		if ((portn == 0) || (portn == 1))
672 			nxgep->mac.porttype = PORT_TYPE_XMAC;
673 		else
674 			nxgep->mac.porttype = PORT_TYPE_BMAC;
675 		/*
676 		 * Neptune has 4 ports, the first 2 ports use XMAC (10G MAC)
677 		 * internally, the rest 2 ports use BMAC (1G "Big" MAC).
678 		 * The two types of MACs have different characterizations.
679 		 */
680 		mmac_info = &nxgep->nxge_mmac_info;
681 		if (nxgep->function_num < 2) {
682 			mmac_info->num_mmac = XMAC_MAX_ALT_ADDR_ENTRY;
683 			mmac_info->naddrfree = XMAC_MAX_ALT_ADDR_ENTRY;
684 		} else {
685 			mmac_info->num_mmac = BMAC_MAX_ALT_ADDR_ENTRY;
686 			mmac_info->naddrfree = BMAC_MAX_ALT_ADDR_ENTRY;
687 		}
688 	}
689 	/*
690 	 * Setup the Ndd parameters for the this instance.
691 	 */
692 	nxge_init_param(nxgep);
693 
694 	/*
695 	 * Setup Register Tracing Buffer.
696 	 */
697 	npi_rtrace_buf_init((rtrace_t *)&npi_rtracebuf);
698 
699 	/* init stats ptr */
700 	nxge_init_statsp(nxgep);
701 
702 	/*
703 	 * Copy the vpd info from eeprom to a local data
704 	 * structure, and then check its validity.
705 	 */
706 	if (!isLDOMguest(nxgep)) {
707 		int *regp;
708 		uint_t reglen;
709 		int rv;
710 
711 		nxge_vpd_info_get(nxgep);
712 
713 		/* Find the NIU config handle. */
714 		rv = ddi_prop_lookup_int_array(DDI_DEV_T_ANY,
715 		    ddi_get_parent(nxgep->dip), DDI_PROP_DONTPASS,
716 		    "reg", &regp, &reglen);
717 
718 		if (rv != DDI_PROP_SUCCESS) {
719 			goto nxge_attach_fail5;
720 		}
721 		/*
722 		 * The address_hi, that is the first int, in the reg
723 		 * property consists of config handle, but need to remove
724 		 * the bits 28-31 which are OBP specific info.
725 		 */
726 		nxgep->niu_cfg_hdl = (*regp) & 0xFFFFFFF;
727 		ddi_prop_free(regp);
728 	}
729 
730 	if (isLDOMguest(nxgep)) {
731 		uchar_t *prop_val;
732 		uint_t prop_len;
733 		uint32_t max_frame_size;
734 
735 		extern void nxge_get_logical_props(p_nxge_t);
736 
737 		nxgep->statsp->mac_stats.xcvr_inuse = LOGICAL_XCVR;
738 		nxgep->mac.portmode = PORT_LOGICAL;
739 		(void) ddi_prop_update_string(DDI_DEV_T_NONE, nxgep->dip,
740 		    "phy-type", "virtual transceiver");
741 
742 		nxgep->nports = 1;
743 		nxgep->board_ver = 0;	/* XXX What? */
744 
745 		/*
746 		 * local-mac-address property gives us info on which
747 		 * specific MAC address the Hybrid resource is associated
748 		 * with.
749 		 */
750 		if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, nxgep->dip, 0,
751 		    "local-mac-address", &prop_val,
752 		    &prop_len) != DDI_PROP_SUCCESS) {
753 			goto nxge_attach_fail5;
754 		}
755 		if (prop_len !=  ETHERADDRL) {
756 			ddi_prop_free(prop_val);
757 			goto nxge_attach_fail5;
758 		}
759 		ether_copy(prop_val, nxgep->hio_mac_addr);
760 		ddi_prop_free(prop_val);
761 		nxge_get_logical_props(nxgep);
762 
763 		/*
764 		 * Enable Jumbo property based on the "max-frame-size"
765 		 * property value.
766 		 */
767 		max_frame_size = ddi_prop_get_int(DDI_DEV_T_ANY,
768 		    nxgep->dip, DDI_PROP_DONTPASS | DDI_PROP_NOTPROM,
769 		    "max-frame-size", NXGE_MTU_DEFAULT_MAX);
770 		if ((max_frame_size > NXGE_MTU_DEFAULT_MAX) &&
771 		    (max_frame_size <= TX_JUMBO_MTU)) {
772 			param_arr = nxgep->param_arr;
773 
774 			param_arr[param_accept_jumbo].value = 1;
775 			nxgep->mac.is_jumbo = B_TRUE;
776 			nxgep->mac.maxframesize = (uint16_t)max_frame_size;
777 			nxgep->mac.default_mtu = nxgep->mac.maxframesize -
778 			    NXGE_EHEADER_VLAN_CRC;
779 		}
780 	} else {
781 		status = nxge_xcvr_find(nxgep);
782 
783 		if (status != NXGE_OK) {
784 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_attach: "
785 			    " Couldn't determine card type"
786 			    " .... exit "));
787 			goto nxge_attach_fail5;
788 		}
789 
790 		status = nxge_get_config_properties(nxgep);
791 
792 		if (status != NXGE_OK) {
793 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
794 			    "get_hw create failed"));
795 			goto nxge_attach_fail;
796 		}
797 	}
798 
799 	/*
800 	 * Setup the Kstats for the driver.
801 	 */
802 	nxge_setup_kstats(nxgep);
803 
804 	if (!isLDOMguest(nxgep))
805 		nxge_setup_param(nxgep);
806 
807 	status = nxge_setup_system_dma_pages(nxgep);
808 	if (status != NXGE_OK) {
809 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "set dma page failed"));
810 		goto nxge_attach_fail;
811 	}
812 
813 	nxge_hw_id_init(nxgep);
814 
815 	if (!isLDOMguest(nxgep))
816 		nxge_hw_init_niu_common(nxgep);
817 
818 	status = nxge_setup_mutexes(nxgep);
819 	if (status != NXGE_OK) {
820 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set mutex failed"));
821 		goto nxge_attach_fail;
822 	}
823 
824 #if defined(sun4v)
825 	if (isLDOMguest(nxgep)) {
826 		/* Find our VR & channel sets. */
827 		status = nxge_hio_vr_add(nxgep);
828 		if (status != NXGE_OK) {
829 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
830 			    "nxge_hio_vr_add failed"));
831 			(void) hsvc_unregister(&nxgep->niu_hsvc);
832 			nxgep->niu_hsvc_available = B_FALSE;
833 		}
834 		goto nxge_attach_exit;
835 	}
836 #endif
837 
838 	status = nxge_setup_dev(nxgep);
839 	if (status != DDI_SUCCESS) {
840 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set dev failed"));
841 		goto nxge_attach_fail;
842 	}
843 
844 	status = nxge_add_intrs(nxgep);
845 	if (status != DDI_SUCCESS) {
846 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "add_intr failed"));
847 		goto nxge_attach_fail;
848 	}
849 
850 	status = nxge_add_soft_intrs(nxgep);
851 	if (status != DDI_SUCCESS) {
852 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
853 		    "add_soft_intr failed"));
854 		goto nxge_attach_fail;
855 	}
856 
857 	/* If a guest, register with vio_net instead. */
858 	if ((status = nxge_mac_register(nxgep)) != NXGE_OK) {
859 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
860 		    "unable to register to mac layer (%d)", status));
861 		goto nxge_attach_fail;
862 	}
863 
864 	mac_link_update(nxgep->mach, LINK_STATE_UNKNOWN);
865 
866 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
867 	    "registered to mac (instance %d)", instance));
868 
869 	/* nxge_link_monitor calls xcvr.check_link recursively */
870 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
871 
872 	goto nxge_attach_exit;
873 
874 nxge_attach_fail:
875 	nxge_unattach(nxgep);
876 	goto nxge_attach_fail1;
877 
878 nxge_attach_fail5:
879 	/*
880 	 * Tear down the ndd parameters setup.
881 	 */
882 	nxge_destroy_param(nxgep);
883 
884 	/*
885 	 * Tear down the kstat setup.
886 	 */
887 	nxge_destroy_kstats(nxgep);
888 
889 nxge_attach_fail4:
890 	if (nxgep->nxge_hw_p) {
891 		nxge_uninit_common_dev(nxgep);
892 		nxgep->nxge_hw_p = NULL;
893 	}
894 
895 nxge_attach_fail3:
896 	/*
897 	 * Unmap the register setup.
898 	 */
899 	nxge_unmap_regs(nxgep);
900 
901 	nxge_fm_fini(nxgep);
902 
903 nxge_attach_fail2:
904 	ddi_soft_state_free(nxge_list, nxgep->instance);
905 
906 nxge_attach_fail1:
907 	if (status != NXGE_OK)
908 		status = (NXGE_ERROR | NXGE_DDI_FAILED);
909 	nxgep = NULL;
910 
911 nxge_attach_exit:
912 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_attach status = 0x%08x",
913 	    status));
914 
915 	return (status);
916 }
917 
918 static int
919 nxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
920 {
921 	int 		status = DDI_SUCCESS;
922 	int 		instance;
923 	p_nxge_t 	nxgep = NULL;
924 
925 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_detach"));
926 	instance = ddi_get_instance(dip);
927 	nxgep = ddi_get_soft_state(nxge_list, instance);
928 	if (nxgep == NULL) {
929 		status = DDI_FAILURE;
930 		goto nxge_detach_exit;
931 	}
932 
933 	switch (cmd) {
934 	case DDI_DETACH:
935 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_DETACH"));
936 		break;
937 
938 	case DDI_PM_SUSPEND:
939 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
940 		nxgep->suspended = DDI_PM_SUSPEND;
941 		nxge_suspend(nxgep);
942 		break;
943 
944 	case DDI_SUSPEND:
945 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_SUSPEND"));
946 		if (nxgep->suspended != DDI_PM_SUSPEND) {
947 			nxgep->suspended = DDI_SUSPEND;
948 			nxge_suspend(nxgep);
949 		}
950 		break;
951 
952 	default:
953 		status = DDI_FAILURE;
954 	}
955 
956 	if (cmd != DDI_DETACH)
957 		goto nxge_detach_exit;
958 
959 	/*
960 	 * Stop the xcvr polling.
961 	 */
962 	nxgep->suspended = cmd;
963 
964 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
965 
966 	if (isLDOMguest(nxgep)) {
967 		if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
968 			nxge_m_stop((void *)nxgep);
969 		nxge_hio_unregister(nxgep);
970 	} else if (nxgep->mach && (status = mac_unregister(nxgep->mach)) != 0) {
971 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
972 		    "<== nxge_detach status = 0x%08X", status));
973 		return (DDI_FAILURE);
974 	}
975 
976 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
977 	    "<== nxge_detach (mac_unregister) status = 0x%08X", status));
978 
979 	nxge_unattach(nxgep);
980 	nxgep = NULL;
981 
982 nxge_detach_exit:
983 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_detach status = 0x%08X",
984 	    status));
985 
986 	return (status);
987 }
988 
989 static void
990 nxge_unattach(p_nxge_t nxgep)
991 {
992 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unattach"));
993 
994 	if (nxgep == NULL || nxgep->dev_regs == NULL) {
995 		return;
996 	}
997 
998 	nxgep->nxge_magic = 0;
999 
1000 	if (nxgep->nxge_timerid) {
1001 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1002 		nxgep->nxge_timerid = 0;
1003 	}
1004 
1005 	/*
1006 	 * If this flag is set, it will affect the Neptune
1007 	 * only.
1008 	 */
1009 	if ((nxgep->niu_type != N2_NIU) && nxge_peu_reset_enable) {
1010 		nxge_niu_peu_reset(nxgep);
1011 	}
1012 
1013 #if	defined(sun4v)
1014 	if (isLDOMguest(nxgep)) {
1015 		(void) nxge_hio_vr_release(nxgep);
1016 	}
1017 #endif
1018 
1019 	if (nxgep->nxge_hw_p) {
1020 		nxge_uninit_common_dev(nxgep);
1021 		nxgep->nxge_hw_p = NULL;
1022 	}
1023 
1024 #if	defined(sun4v)
1025 	if (nxgep->niu_type == N2_NIU && nxgep->niu_hsvc_available == B_TRUE) {
1026 		(void) hsvc_unregister(&nxgep->niu_hsvc);
1027 		nxgep->niu_hsvc_available = B_FALSE;
1028 	}
1029 #endif
1030 	/*
1031 	 * Stop any further interrupts.
1032 	 */
1033 	nxge_remove_intrs(nxgep);
1034 
1035 	/* remove soft interrups */
1036 	nxge_remove_soft_intrs(nxgep);
1037 
1038 	/*
1039 	 * Stop the device and free resources.
1040 	 */
1041 	if (!isLDOMguest(nxgep)) {
1042 		nxge_destroy_dev(nxgep);
1043 	}
1044 
1045 	/*
1046 	 * Tear down the ndd parameters setup.
1047 	 */
1048 	nxge_destroy_param(nxgep);
1049 
1050 	/*
1051 	 * Tear down the kstat setup.
1052 	 */
1053 	nxge_destroy_kstats(nxgep);
1054 
1055 	/*
1056 	 * Destroy all mutexes.
1057 	 */
1058 	nxge_destroy_mutexes(nxgep);
1059 
1060 	/*
1061 	 * Remove the list of ndd parameters which
1062 	 * were setup during attach.
1063 	 */
1064 	if (nxgep->dip) {
1065 		NXGE_DEBUG_MSG((nxgep, OBP_CTL,
1066 		    " nxge_unattach: remove all properties"));
1067 
1068 		(void) ddi_prop_remove_all(nxgep->dip);
1069 	}
1070 
1071 #if NXGE_PROPERTY
1072 	nxge_remove_hard_properties(nxgep);
1073 #endif
1074 
1075 	/*
1076 	 * Unmap the register setup.
1077 	 */
1078 	nxge_unmap_regs(nxgep);
1079 
1080 	nxge_fm_fini(nxgep);
1081 
1082 	ddi_soft_state_free(nxge_list, nxgep->instance);
1083 
1084 	NXGE_DEBUG_MSG((NULL, DDI_CTL, "<== nxge_unattach"));
1085 }
1086 
1087 #if defined(sun4v)
1088 int
1089 nxge_hsvc_register(nxge_t *nxgep)
1090 {
1091 	nxge_status_t status;
1092 
1093 	if (nxgep->niu_type == N2_NIU) {
1094 		nxgep->niu_hsvc_available = B_FALSE;
1095 		bcopy(&niu_hsvc, &nxgep->niu_hsvc, sizeof (hsvc_info_t));
1096 		if ((status = hsvc_register(&nxgep->niu_hsvc,
1097 		    &nxgep->niu_min_ver)) != 0) {
1098 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1099 			    "nxge_attach: %s: cannot negotiate "
1100 			    "hypervisor services revision %d group: 0x%lx "
1101 			    "major: 0x%lx minor: 0x%lx errno: %d",
1102 			    niu_hsvc.hsvc_modname, niu_hsvc.hsvc_rev,
1103 			    niu_hsvc.hsvc_group, niu_hsvc.hsvc_major,
1104 			    niu_hsvc.hsvc_minor, status));
1105 			return (DDI_FAILURE);
1106 		}
1107 		nxgep->niu_hsvc_available = B_TRUE;
1108 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1109 		    "NIU Hypervisor service enabled"));
1110 	}
1111 
1112 	return (DDI_SUCCESS);
1113 }
1114 #endif
1115 
1116 static char n2_siu_name[] = "niu";
1117 
1118 static nxge_status_t
1119 nxge_map_regs(p_nxge_t nxgep)
1120 {
1121 	int		ddi_status = DDI_SUCCESS;
1122 	p_dev_regs_t 	dev_regs;
1123 	char		buf[MAXPATHLEN + 1];
1124 	char 		*devname;
1125 #ifdef	NXGE_DEBUG
1126 	char 		*sysname;
1127 #endif
1128 	off_t		regsize;
1129 	nxge_status_t	status = NXGE_OK;
1130 #if !defined(_BIG_ENDIAN)
1131 	off_t pci_offset;
1132 	uint16_t pcie_devctl;
1133 #endif
1134 
1135 	if (isLDOMguest(nxgep)) {
1136 		return (nxge_guest_regs_map(nxgep));
1137 	}
1138 
1139 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_map_regs"));
1140 	nxgep->dev_regs = NULL;
1141 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
1142 	dev_regs->nxge_regh = NULL;
1143 	dev_regs->nxge_pciregh = NULL;
1144 	dev_regs->nxge_msix_regh = NULL;
1145 	dev_regs->nxge_vir_regh = NULL;
1146 	dev_regs->nxge_vir2_regh = NULL;
1147 	nxgep->niu_type = NIU_TYPE_NONE;
1148 
1149 	devname = ddi_pathname(nxgep->dip, buf);
1150 	ASSERT(strlen(devname) > 0);
1151 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1152 	    "nxge_map_regs: pathname devname %s", devname));
1153 
1154 	/*
1155 	 * The driver is running on a N2-NIU system if devname is something
1156 	 * like "/niu@80/network@0"
1157 	 */
1158 	if (strstr(devname, n2_siu_name)) {
1159 		/* N2/NIU */
1160 		nxgep->niu_type = N2_NIU;
1161 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1162 		    "nxge_map_regs: N2/NIU devname %s", devname));
1163 		/* get function number */
1164 		nxgep->function_num =
1165 		    (devname[strlen(devname) -1] == '1' ? 1 : 0);
1166 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1167 		    "nxge_map_regs: N2/NIU function number %d",
1168 		    nxgep->function_num));
1169 	} else {
1170 		int		*prop_val;
1171 		uint_t 		prop_len;
1172 		uint8_t 	func_num;
1173 
1174 		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, nxgep->dip,
1175 		    0, "reg",
1176 		    &prop_val, &prop_len) != DDI_PROP_SUCCESS) {
1177 			NXGE_DEBUG_MSG((nxgep, VPD_CTL,
1178 			    "Reg property not found"));
1179 			ddi_status = DDI_FAILURE;
1180 			goto nxge_map_regs_fail0;
1181 
1182 		} else {
1183 			func_num = (prop_val[0] >> 8) & 0x7;
1184 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1185 			    "Reg property found: fun # %d",
1186 			    func_num));
1187 			nxgep->function_num = func_num;
1188 			if (isLDOMguest(nxgep)) {
1189 				nxgep->function_num /= 2;
1190 				return (NXGE_OK);
1191 			}
1192 			ddi_prop_free(prop_val);
1193 		}
1194 	}
1195 
1196 	switch (nxgep->niu_type) {
1197 	default:
1198 		(void) ddi_dev_regsize(nxgep->dip, 0, &regsize);
1199 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1200 		    "nxge_map_regs: pci config size 0x%x", regsize));
1201 
1202 		ddi_status = ddi_regs_map_setup(nxgep->dip, 0,
1203 		    (caddr_t *)&(dev_regs->nxge_pciregp), 0, 0,
1204 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_pciregh);
1205 		if (ddi_status != DDI_SUCCESS) {
1206 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1207 			    "ddi_map_regs, nxge bus config regs failed"));
1208 			goto nxge_map_regs_fail0;
1209 		}
1210 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1211 		    "nxge_map_reg: PCI config addr 0x%0llx "
1212 		    " handle 0x%0llx", dev_regs->nxge_pciregp,
1213 		    dev_regs->nxge_pciregh));
1214 			/*
1215 			 * IMP IMP
1216 			 * workaround  for bit swapping bug in HW
1217 			 * which ends up in no-snoop = yes
1218 			 * resulting, in DMA not synched properly
1219 			 */
1220 #if !defined(_BIG_ENDIAN)
1221 		/* workarounds for x86 systems */
1222 		pci_offset = 0x80 + PCIE_DEVCTL;
1223 		pcie_devctl = 0x0;
1224 		pcie_devctl &= PCIE_DEVCTL_ENABLE_NO_SNOOP;
1225 		pcie_devctl |= PCIE_DEVCTL_RO_EN;
1226 		pci_config_put16(dev_regs->nxge_pciregh, pci_offset,
1227 		    pcie_devctl);
1228 #endif
1229 
1230 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1231 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1232 		    "nxge_map_regs: pio size 0x%x", regsize));
1233 		/* set up the device mapped register */
1234 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1235 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1236 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1237 		if (ddi_status != DDI_SUCCESS) {
1238 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1239 			    "ddi_map_regs for Neptune global reg failed"));
1240 			goto nxge_map_regs_fail1;
1241 		}
1242 
1243 		/* set up the msi/msi-x mapped register */
1244 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1245 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1246 		    "nxge_map_regs: msix size 0x%x", regsize));
1247 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1248 		    (caddr_t *)&(dev_regs->nxge_msix_regp), 0, 0,
1249 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_msix_regh);
1250 		if (ddi_status != DDI_SUCCESS) {
1251 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1252 			    "ddi_map_regs for msi reg failed"));
1253 			goto nxge_map_regs_fail2;
1254 		}
1255 
1256 		/* set up the vio region mapped register */
1257 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1258 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1259 		    "nxge_map_regs: vio size 0x%x", regsize));
1260 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1261 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1262 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1263 
1264 		if (ddi_status != DDI_SUCCESS) {
1265 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1266 			    "ddi_map_regs for nxge vio reg failed"));
1267 			goto nxge_map_regs_fail3;
1268 		}
1269 		nxgep->dev_regs = dev_regs;
1270 
1271 		NPI_PCI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_pciregh);
1272 		NPI_PCI_ADD_HANDLE_SET(nxgep,
1273 		    (npi_reg_ptr_t)dev_regs->nxge_pciregp);
1274 		NPI_MSI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_msix_regh);
1275 		NPI_MSI_ADD_HANDLE_SET(nxgep,
1276 		    (npi_reg_ptr_t)dev_regs->nxge_msix_regp);
1277 
1278 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1279 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1280 
1281 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1282 		NPI_REG_ADD_HANDLE_SET(nxgep,
1283 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1284 
1285 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1286 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1287 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1288 
1289 		break;
1290 
1291 	case N2_NIU:
1292 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "ddi_map_regs, NIU"));
1293 		/*
1294 		 * Set up the device mapped register (FWARC 2006/556)
1295 		 * (changed back to 1: reg starts at 1!)
1296 		 */
1297 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1298 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1299 		    "nxge_map_regs: dev size 0x%x", regsize));
1300 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1301 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1302 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1303 
1304 		if (ddi_status != DDI_SUCCESS) {
1305 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1306 			    "ddi_map_regs for N2/NIU, global reg failed "));
1307 			goto nxge_map_regs_fail1;
1308 		}
1309 
1310 		/* set up the first vio region mapped register */
1311 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1312 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1313 		    "nxge_map_regs: vio (1) size 0x%x", regsize));
1314 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1315 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1316 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1317 
1318 		if (ddi_status != DDI_SUCCESS) {
1319 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1320 			    "ddi_map_regs for nxge vio reg failed"));
1321 			goto nxge_map_regs_fail2;
1322 		}
1323 		/* set up the second vio region mapped register */
1324 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1325 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1326 		    "nxge_map_regs: vio (3) size 0x%x", regsize));
1327 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1328 		    (caddr_t *)&(dev_regs->nxge_vir2_regp), 0, 0,
1329 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir2_regh);
1330 
1331 		if (ddi_status != DDI_SUCCESS) {
1332 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1333 			    "ddi_map_regs for nxge vio2 reg failed"));
1334 			goto nxge_map_regs_fail3;
1335 		}
1336 		nxgep->dev_regs = dev_regs;
1337 
1338 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1339 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1340 
1341 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1342 		NPI_REG_ADD_HANDLE_SET(nxgep,
1343 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1344 
1345 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1346 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1347 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1348 
1349 		NPI_V2REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir2_regh);
1350 		NPI_V2REG_ADD_HANDLE_SET(nxgep,
1351 		    (npi_reg_ptr_t)dev_regs->nxge_vir2_regp);
1352 
1353 		break;
1354 	}
1355 
1356 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "nxge_map_reg: hardware addr 0x%0llx "
1357 	    " handle 0x%0llx", dev_regs->nxge_regp, dev_regs->nxge_regh));
1358 
1359 	goto nxge_map_regs_exit;
1360 nxge_map_regs_fail3:
1361 	if (dev_regs->nxge_msix_regh) {
1362 		ddi_regs_map_free(&dev_regs->nxge_msix_regh);
1363 	}
1364 	if (dev_regs->nxge_vir_regh) {
1365 		ddi_regs_map_free(&dev_regs->nxge_regh);
1366 	}
1367 nxge_map_regs_fail2:
1368 	if (dev_regs->nxge_regh) {
1369 		ddi_regs_map_free(&dev_regs->nxge_regh);
1370 	}
1371 nxge_map_regs_fail1:
1372 	if (dev_regs->nxge_pciregh) {
1373 		ddi_regs_map_free(&dev_regs->nxge_pciregh);
1374 	}
1375 nxge_map_regs_fail0:
1376 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Freeing register set memory"));
1377 	kmem_free(dev_regs, sizeof (dev_regs_t));
1378 
1379 nxge_map_regs_exit:
1380 	if (ddi_status != DDI_SUCCESS)
1381 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1382 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_map_regs"));
1383 	return (status);
1384 }
1385 
1386 static void
1387 nxge_unmap_regs(p_nxge_t nxgep)
1388 {
1389 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unmap_regs"));
1390 
1391 	if (isLDOMguest(nxgep)) {
1392 		nxge_guest_regs_map_free(nxgep);
1393 		return;
1394 	}
1395 
1396 	if (nxgep->dev_regs) {
1397 		if (nxgep->dev_regs->nxge_pciregh) {
1398 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1399 			    "==> nxge_unmap_regs: bus"));
1400 			ddi_regs_map_free(&nxgep->dev_regs->nxge_pciregh);
1401 			nxgep->dev_regs->nxge_pciregh = NULL;
1402 		}
1403 		if (nxgep->dev_regs->nxge_regh) {
1404 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1405 			    "==> nxge_unmap_regs: device registers"));
1406 			ddi_regs_map_free(&nxgep->dev_regs->nxge_regh);
1407 			nxgep->dev_regs->nxge_regh = NULL;
1408 		}
1409 		if (nxgep->dev_regs->nxge_msix_regh) {
1410 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1411 			    "==> nxge_unmap_regs: device interrupts"));
1412 			ddi_regs_map_free(&nxgep->dev_regs->nxge_msix_regh);
1413 			nxgep->dev_regs->nxge_msix_regh = NULL;
1414 		}
1415 		if (nxgep->dev_regs->nxge_vir_regh) {
1416 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1417 			    "==> nxge_unmap_regs: vio region"));
1418 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir_regh);
1419 			nxgep->dev_regs->nxge_vir_regh = NULL;
1420 		}
1421 		if (nxgep->dev_regs->nxge_vir2_regh) {
1422 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1423 			    "==> nxge_unmap_regs: vio2 region"));
1424 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir2_regh);
1425 			nxgep->dev_regs->nxge_vir2_regh = NULL;
1426 		}
1427 
1428 		kmem_free(nxgep->dev_regs, sizeof (dev_regs_t));
1429 		nxgep->dev_regs = NULL;
1430 	}
1431 
1432 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_unmap_regs"));
1433 }
1434 
1435 static nxge_status_t
1436 nxge_setup_mutexes(p_nxge_t nxgep)
1437 {
1438 	int ddi_status = DDI_SUCCESS;
1439 	nxge_status_t status = NXGE_OK;
1440 	nxge_classify_t *classify_ptr;
1441 	int partition;
1442 
1443 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_mutexes"));
1444 
1445 	/*
1446 	 * Get the interrupt cookie so the mutexes can be
1447 	 * Initialized.
1448 	 */
1449 	if (isLDOMguest(nxgep)) {
1450 		nxgep->interrupt_cookie = 0;
1451 	} else {
1452 		ddi_status = ddi_get_iblock_cookie(nxgep->dip, 0,
1453 		    &nxgep->interrupt_cookie);
1454 
1455 		if (ddi_status != DDI_SUCCESS) {
1456 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1457 			    "<== nxge_setup_mutexes: failed 0x%x",
1458 			    ddi_status));
1459 			goto nxge_setup_mutexes_exit;
1460 		}
1461 	}
1462 
1463 	cv_init(&nxgep->poll_cv, NULL, CV_DRIVER, NULL);
1464 	MUTEX_INIT(&nxgep->poll_lock, NULL,
1465 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1466 
1467 	/*
1468 	 * Initialize mutexes for this device.
1469 	 */
1470 	MUTEX_INIT(nxgep->genlock, NULL,
1471 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1472 	MUTEX_INIT(&nxgep->ouraddr_lock, NULL,
1473 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1474 	MUTEX_INIT(&nxgep->mif_lock, NULL,
1475 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1476 	MUTEX_INIT(&nxgep->group_lock, NULL,
1477 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1478 	RW_INIT(&nxgep->filter_lock, NULL,
1479 	    RW_DRIVER, (void *)nxgep->interrupt_cookie);
1480 
1481 	classify_ptr = &nxgep->classifier;
1482 		/*
1483 		 * FFLP Mutexes are never used in interrupt context
1484 		 * as fflp operation can take very long time to
1485 		 * complete and hence not suitable to invoke from interrupt
1486 		 * handlers.
1487 		 */
1488 	MUTEX_INIT(&classify_ptr->tcam_lock, NULL,
1489 	    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1490 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1491 		MUTEX_INIT(&classify_ptr->fcram_lock, NULL,
1492 		    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1493 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1494 			MUTEX_INIT(&classify_ptr->hash_lock[partition], NULL,
1495 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1496 		}
1497 	}
1498 
1499 nxge_setup_mutexes_exit:
1500 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1501 	    "<== nxge_setup_mutexes status = %x", status));
1502 
1503 	if (ddi_status != DDI_SUCCESS)
1504 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1505 
1506 	return (status);
1507 }
1508 
1509 static void
1510 nxge_destroy_mutexes(p_nxge_t nxgep)
1511 {
1512 	int partition;
1513 	nxge_classify_t *classify_ptr;
1514 
1515 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_mutexes"));
1516 	RW_DESTROY(&nxgep->filter_lock);
1517 	MUTEX_DESTROY(&nxgep->group_lock);
1518 	MUTEX_DESTROY(&nxgep->mif_lock);
1519 	MUTEX_DESTROY(&nxgep->ouraddr_lock);
1520 	MUTEX_DESTROY(nxgep->genlock);
1521 
1522 	classify_ptr = &nxgep->classifier;
1523 	MUTEX_DESTROY(&classify_ptr->tcam_lock);
1524 
1525 	/* Destroy all polling resources. */
1526 	MUTEX_DESTROY(&nxgep->poll_lock);
1527 	cv_destroy(&nxgep->poll_cv);
1528 
1529 	/* free data structures, based on HW type */
1530 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1531 		MUTEX_DESTROY(&classify_ptr->fcram_lock);
1532 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1533 			MUTEX_DESTROY(&classify_ptr->hash_lock[partition]);
1534 		}
1535 	}
1536 
1537 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_mutexes"));
1538 }
1539 
1540 nxge_status_t
1541 nxge_init(p_nxge_t nxgep)
1542 {
1543 	nxge_status_t status = NXGE_OK;
1544 
1545 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_init"));
1546 
1547 	if (nxgep->drv_state & STATE_HW_INITIALIZED) {
1548 		return (status);
1549 	}
1550 
1551 	/*
1552 	 * Allocate system memory for the receive/transmit buffer blocks
1553 	 * and receive/transmit descriptor rings.
1554 	 */
1555 	status = nxge_alloc_mem_pool(nxgep);
1556 	if (status != NXGE_OK) {
1557 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "alloc mem failed\n"));
1558 		goto nxge_init_fail1;
1559 	}
1560 
1561 	if (!isLDOMguest(nxgep)) {
1562 		/*
1563 		 * Initialize and enable the TXC registers.
1564 		 * (Globally enable the Tx controller,
1565 		 *  enable the port, configure the dma channel bitmap,
1566 		 *  configure the max burst size).
1567 		 */
1568 		status = nxge_txc_init(nxgep);
1569 		if (status != NXGE_OK) {
1570 			NXGE_ERROR_MSG((nxgep,
1571 			    NXGE_ERR_CTL, "init txc failed\n"));
1572 			goto nxge_init_fail2;
1573 		}
1574 	}
1575 
1576 	/*
1577 	 * Initialize and enable TXDMA channels.
1578 	 */
1579 	status = nxge_init_txdma_channels(nxgep);
1580 	if (status != NXGE_OK) {
1581 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txdma failed\n"));
1582 		goto nxge_init_fail3;
1583 	}
1584 
1585 	/*
1586 	 * Initialize and enable RXDMA channels.
1587 	 */
1588 	status = nxge_init_rxdma_channels(nxgep);
1589 	if (status != NXGE_OK) {
1590 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init rxdma failed\n"));
1591 		goto nxge_init_fail4;
1592 	}
1593 
1594 	/*
1595 	 * The guest domain is now done.
1596 	 */
1597 	if (isLDOMguest(nxgep)) {
1598 		nxgep->drv_state |= STATE_HW_INITIALIZED;
1599 		goto nxge_init_exit;
1600 	}
1601 
1602 	/*
1603 	 * Initialize TCAM and FCRAM (Neptune).
1604 	 */
1605 	status = nxge_classify_init(nxgep);
1606 	if (status != NXGE_OK) {
1607 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init classify failed\n"));
1608 		goto nxge_init_fail5;
1609 	}
1610 
1611 	/*
1612 	 * Initialize ZCP
1613 	 */
1614 	status = nxge_zcp_init(nxgep);
1615 	if (status != NXGE_OK) {
1616 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init ZCP failed\n"));
1617 		goto nxge_init_fail5;
1618 	}
1619 
1620 	/*
1621 	 * Initialize IPP.
1622 	 */
1623 	status = nxge_ipp_init(nxgep);
1624 	if (status != NXGE_OK) {
1625 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init IPP failed\n"));
1626 		goto nxge_init_fail5;
1627 	}
1628 
1629 	/*
1630 	 * Initialize the MAC block.
1631 	 */
1632 	status = nxge_mac_init(nxgep);
1633 	if (status != NXGE_OK) {
1634 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init MAC failed\n"));
1635 		goto nxge_init_fail5;
1636 	}
1637 
1638 	nxge_intrs_enable(nxgep); /* XXX What changes do I need to make here? */
1639 
1640 	/*
1641 	 * Enable hardware interrupts.
1642 	 */
1643 	nxge_intr_hw_enable(nxgep);
1644 	nxgep->drv_state |= STATE_HW_INITIALIZED;
1645 
1646 	goto nxge_init_exit;
1647 
1648 nxge_init_fail5:
1649 	nxge_uninit_rxdma_channels(nxgep);
1650 nxge_init_fail4:
1651 	nxge_uninit_txdma_channels(nxgep);
1652 nxge_init_fail3:
1653 	if (!isLDOMguest(nxgep)) {
1654 		(void) nxge_txc_uninit(nxgep);
1655 	}
1656 nxge_init_fail2:
1657 	nxge_free_mem_pool(nxgep);
1658 nxge_init_fail1:
1659 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1660 	    "<== nxge_init status (failed) = 0x%08x", status));
1661 	return (status);
1662 
1663 nxge_init_exit:
1664 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_init status = 0x%08x",
1665 	    status));
1666 	return (status);
1667 }
1668 
1669 
1670 timeout_id_t
1671 nxge_start_timer(p_nxge_t nxgep, fptrv_t func, int msec)
1672 {
1673 	if ((nxgep->suspended == 0) || (nxgep->suspended == DDI_RESUME)) {
1674 		return (timeout(func, (caddr_t)nxgep,
1675 		    drv_usectohz(1000 * msec)));
1676 	}
1677 	return (NULL);
1678 }
1679 
1680 /*ARGSUSED*/
1681 void
1682 nxge_stop_timer(p_nxge_t nxgep, timeout_id_t timerid)
1683 {
1684 	if (timerid) {
1685 		(void) untimeout(timerid);
1686 	}
1687 }
1688 
1689 void
1690 nxge_uninit(p_nxge_t nxgep)
1691 {
1692 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_uninit"));
1693 
1694 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1695 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1696 		    "==> nxge_uninit: not initialized"));
1697 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1698 		    "<== nxge_uninit"));
1699 		return;
1700 	}
1701 
1702 	/* stop timer */
1703 	if (nxgep->nxge_timerid) {
1704 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1705 		nxgep->nxge_timerid = 0;
1706 	}
1707 
1708 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1709 	(void) nxge_intr_hw_disable(nxgep);
1710 
1711 	/*
1712 	 * Reset the receive MAC side.
1713 	 */
1714 	(void) nxge_rx_mac_disable(nxgep);
1715 
1716 	/* Disable and soft reset the IPP */
1717 	if (!isLDOMguest(nxgep))
1718 		(void) nxge_ipp_disable(nxgep);
1719 
1720 	/* Free classification resources */
1721 	(void) nxge_classify_uninit(nxgep);
1722 
1723 	/*
1724 	 * Reset the transmit/receive DMA side.
1725 	 */
1726 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
1727 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
1728 
1729 	nxge_uninit_txdma_channels(nxgep);
1730 	nxge_uninit_rxdma_channels(nxgep);
1731 
1732 	/*
1733 	 * Reset the transmit MAC side.
1734 	 */
1735 	(void) nxge_tx_mac_disable(nxgep);
1736 
1737 	nxge_free_mem_pool(nxgep);
1738 
1739 	/*
1740 	 * Start the timer if the reset flag is not set.
1741 	 * If this reset flag is set, the link monitor
1742 	 * will not be started in order to stop furthur bus
1743 	 * activities coming from this interface.
1744 	 * The driver will start the monitor function
1745 	 * if the interface was initialized again later.
1746 	 */
1747 	if (!nxge_peu_reset_enable) {
1748 		(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1749 	}
1750 
1751 	nxgep->drv_state &= ~STATE_HW_INITIALIZED;
1752 
1753 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_uninit: "
1754 	    "nxge_mblks_pending %d", nxge_mblks_pending));
1755 }
1756 
1757 void
1758 nxge_get64(p_nxge_t nxgep, p_mblk_t mp)
1759 {
1760 #if defined(__i386)
1761 	size_t		reg;
1762 #else
1763 	uint64_t	reg;
1764 #endif
1765 	uint64_t	regdata;
1766 	int		i, retry;
1767 
1768 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1769 	regdata = 0;
1770 	retry = 1;
1771 
1772 	for (i = 0; i < retry; i++) {
1773 		NXGE_REG_RD64(nxgep->npi_handle, reg, &regdata);
1774 	}
1775 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1776 }
1777 
1778 void
1779 nxge_put64(p_nxge_t nxgep, p_mblk_t mp)
1780 {
1781 #if defined(__i386)
1782 	size_t		reg;
1783 #else
1784 	uint64_t	reg;
1785 #endif
1786 	uint64_t	buf[2];
1787 
1788 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1789 #if defined(__i386)
1790 	reg = (size_t)buf[0];
1791 #else
1792 	reg = buf[0];
1793 #endif
1794 
1795 	NXGE_NPI_PIO_WRITE64(nxgep->npi_handle, reg, buf[1]);
1796 }
1797 
1798 
1799 nxge_os_mutex_t nxgedebuglock;
1800 int nxge_debug_init = 0;
1801 
1802 /*ARGSUSED*/
1803 /*VARARGS*/
1804 void
1805 nxge_debug_msg(p_nxge_t nxgep, uint64_t level, char *fmt, ...)
1806 {
1807 	char msg_buffer[1048];
1808 	char prefix_buffer[32];
1809 	int instance;
1810 	uint64_t debug_level;
1811 	int cmn_level = CE_CONT;
1812 	va_list ap;
1813 
1814 	if (nxgep && nxgep->nxge_debug_level != nxge_debug_level) {
1815 		/* In case a developer has changed nxge_debug_level. */
1816 		if (nxgep->nxge_debug_level != nxge_debug_level)
1817 			nxgep->nxge_debug_level = nxge_debug_level;
1818 	}
1819 
1820 	debug_level = (nxgep == NULL) ? nxge_debug_level :
1821 	    nxgep->nxge_debug_level;
1822 
1823 	if ((level & debug_level) ||
1824 	    (level == NXGE_NOTE) ||
1825 	    (level == NXGE_ERR_CTL)) {
1826 		/* do the msg processing */
1827 		if (nxge_debug_init == 0) {
1828 			MUTEX_INIT(&nxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1829 			nxge_debug_init = 1;
1830 		}
1831 
1832 		MUTEX_ENTER(&nxgedebuglock);
1833 
1834 		if ((level & NXGE_NOTE)) {
1835 			cmn_level = CE_NOTE;
1836 		}
1837 
1838 		if (level & NXGE_ERR_CTL) {
1839 			cmn_level = CE_WARN;
1840 		}
1841 
1842 		va_start(ap, fmt);
1843 		(void) vsprintf(msg_buffer, fmt, ap);
1844 		va_end(ap);
1845 		if (nxgep == NULL) {
1846 			instance = -1;
1847 			(void) sprintf(prefix_buffer, "%s :", "nxge");
1848 		} else {
1849 			instance = nxgep->instance;
1850 			(void) sprintf(prefix_buffer,
1851 			    "%s%d :", "nxge", instance);
1852 		}
1853 
1854 		MUTEX_EXIT(&nxgedebuglock);
1855 		cmn_err(cmn_level, "!%s %s\n",
1856 		    prefix_buffer, msg_buffer);
1857 
1858 	}
1859 }
1860 
1861 char *
1862 nxge_dump_packet(char *addr, int size)
1863 {
1864 	uchar_t *ap = (uchar_t *)addr;
1865 	int i;
1866 	static char etherbuf[1024];
1867 	char *cp = etherbuf;
1868 	char digits[] = "0123456789abcdef";
1869 
1870 	if (!size)
1871 		size = 60;
1872 
1873 	if (size > MAX_DUMP_SZ) {
1874 		/* Dump the leading bytes */
1875 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1876 			if (*ap > 0x0f)
1877 				*cp++ = digits[*ap >> 4];
1878 			*cp++ = digits[*ap++ & 0xf];
1879 			*cp++ = ':';
1880 		}
1881 		for (i = 0; i < 20; i++)
1882 			*cp++ = '.';
1883 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1884 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ/2));
1885 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1886 			if (*ap > 0x0f)
1887 				*cp++ = digits[*ap >> 4];
1888 			*cp++ = digits[*ap++ & 0xf];
1889 			*cp++ = ':';
1890 		}
1891 	} else {
1892 		for (i = 0; i < size; i++) {
1893 			if (*ap > 0x0f)
1894 				*cp++ = digits[*ap >> 4];
1895 			*cp++ = digits[*ap++ & 0xf];
1896 			*cp++ = ':';
1897 		}
1898 	}
1899 	*--cp = 0;
1900 	return (etherbuf);
1901 }
1902 
1903 #ifdef	NXGE_DEBUG
1904 static void
1905 nxge_test_map_regs(p_nxge_t nxgep)
1906 {
1907 	ddi_acc_handle_t cfg_handle;
1908 	p_pci_cfg_t	cfg_ptr;
1909 	ddi_acc_handle_t dev_handle;
1910 	char		*dev_ptr;
1911 	ddi_acc_handle_t pci_config_handle;
1912 	uint32_t	regval;
1913 	int		i;
1914 
1915 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_test_map_regs"));
1916 
1917 	dev_handle = nxgep->dev_regs->nxge_regh;
1918 	dev_ptr = (char *)nxgep->dev_regs->nxge_regp;
1919 
1920 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1921 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1922 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1923 
1924 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1925 		    "Neptune PCI regp cfg_ptr 0x%llx", (char *)cfg_ptr));
1926 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1927 		    "Neptune PCI cfg_ptr vendor id ptr 0x%llx",
1928 		    &cfg_ptr->vendorid));
1929 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1930 		    "\tvendorid 0x%x devid 0x%x",
1931 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->vendorid, 0),
1932 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->devid,    0)));
1933 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1934 		    "PCI BAR: base 0x%x base14 0x%x base 18 0x%x "
1935 		    "bar1c 0x%x",
1936 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base,   0),
1937 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base14, 0),
1938 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base18, 0),
1939 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base1c, 0)));
1940 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1941 		    "\nNeptune PCI BAR: base20 0x%x base24 0x%x "
1942 		    "base 28 0x%x bar2c 0x%x\n",
1943 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base20, 0),
1944 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base24, 0),
1945 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base28, 0),
1946 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base2c, 0)));
1947 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1948 		    "\nNeptune PCI BAR: base30 0x%x\n",
1949 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base30, 0)));
1950 
1951 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1952 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1953 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1954 		    "first  0x%llx second 0x%llx third 0x%llx "
1955 		    "last 0x%llx ",
1956 		    NXGE_PIO_READ64(dev_handle,
1957 		    (uint64_t *)(dev_ptr + 0),  0),
1958 		    NXGE_PIO_READ64(dev_handle,
1959 		    (uint64_t *)(dev_ptr + 8),  0),
1960 		    NXGE_PIO_READ64(dev_handle,
1961 		    (uint64_t *)(dev_ptr + 16), 0),
1962 		    NXGE_PIO_READ64(cfg_handle,
1963 		    (uint64_t *)(dev_ptr + 24), 0)));
1964 	}
1965 }
1966 
1967 #endif
1968 
1969 static void
1970 nxge_suspend(p_nxge_t nxgep)
1971 {
1972 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_suspend"));
1973 
1974 	nxge_intrs_disable(nxgep);
1975 	nxge_destroy_dev(nxgep);
1976 
1977 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_suspend"));
1978 }
1979 
1980 static nxge_status_t
1981 nxge_resume(p_nxge_t nxgep)
1982 {
1983 	nxge_status_t status = NXGE_OK;
1984 
1985 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_resume"));
1986 
1987 	nxgep->suspended = DDI_RESUME;
1988 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1989 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_START);
1990 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_START);
1991 	(void) nxge_rx_mac_enable(nxgep);
1992 	(void) nxge_tx_mac_enable(nxgep);
1993 	nxge_intrs_enable(nxgep);
1994 	nxgep->suspended = 0;
1995 
1996 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1997 	    "<== nxge_resume status = 0x%x", status));
1998 	return (status);
1999 }
2000 
2001 static nxge_status_t
2002 nxge_setup_dev(p_nxge_t nxgep)
2003 {
2004 	nxge_status_t	status = NXGE_OK;
2005 
2006 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_dev port %d",
2007 	    nxgep->mac.portnum));
2008 
2009 	status = nxge_link_init(nxgep);
2010 
2011 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
2012 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2013 		    "port%d Bad register acc handle", nxgep->mac.portnum));
2014 		status = NXGE_ERROR;
2015 	}
2016 
2017 	if (status != NXGE_OK) {
2018 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2019 		    " nxge_setup_dev status "
2020 		    "(xcvr init 0x%08x)", status));
2021 		goto nxge_setup_dev_exit;
2022 	}
2023 
2024 nxge_setup_dev_exit:
2025 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2026 	    "<== nxge_setup_dev port %d status = 0x%08x",
2027 	    nxgep->mac.portnum, status));
2028 
2029 	return (status);
2030 }
2031 
2032 static void
2033 nxge_destroy_dev(p_nxge_t nxgep)
2034 {
2035 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_dev"));
2036 
2037 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
2038 
2039 	(void) nxge_hw_stop(nxgep);
2040 
2041 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_dev"));
2042 }
2043 
2044 static nxge_status_t
2045 nxge_setup_system_dma_pages(p_nxge_t nxgep)
2046 {
2047 	int 			ddi_status = DDI_SUCCESS;
2048 	uint_t 			count;
2049 	ddi_dma_cookie_t 	cookie;
2050 	uint_t 			iommu_pagesize;
2051 	nxge_status_t		status = NXGE_OK;
2052 
2053 	NXGE_ERROR_MSG((nxgep, DDI_CTL, "==> nxge_setup_system_dma_pages"));
2054 	nxgep->sys_page_sz = ddi_ptob(nxgep->dip, (ulong_t)1);
2055 	if (nxgep->niu_type != N2_NIU) {
2056 		iommu_pagesize = dvma_pagesize(nxgep->dip);
2057 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2058 		    " nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
2059 		    " default_block_size %d iommu_pagesize %d",
2060 		    nxgep->sys_page_sz,
2061 		    ddi_ptob(nxgep->dip, (ulong_t)1),
2062 		    nxgep->rx_default_block_size,
2063 		    iommu_pagesize));
2064 
2065 		if (iommu_pagesize != 0) {
2066 			if (nxgep->sys_page_sz == iommu_pagesize) {
2067 				if (iommu_pagesize > 0x4000)
2068 					nxgep->sys_page_sz = 0x4000;
2069 			} else {
2070 				if (nxgep->sys_page_sz > iommu_pagesize)
2071 					nxgep->sys_page_sz = iommu_pagesize;
2072 			}
2073 		}
2074 	}
2075 	nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
2076 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2077 	    "==> nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
2078 	    "default_block_size %d page mask %d",
2079 	    nxgep->sys_page_sz,
2080 	    ddi_ptob(nxgep->dip, (ulong_t)1),
2081 	    nxgep->rx_default_block_size,
2082 	    nxgep->sys_page_mask));
2083 
2084 
2085 	switch (nxgep->sys_page_sz) {
2086 	default:
2087 		nxgep->sys_page_sz = 0x1000;
2088 		nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
2089 		nxgep->rx_default_block_size = 0x1000;
2090 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
2091 		break;
2092 	case 0x1000:
2093 		nxgep->rx_default_block_size = 0x1000;
2094 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
2095 		break;
2096 	case 0x2000:
2097 		nxgep->rx_default_block_size = 0x2000;
2098 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
2099 		break;
2100 	case 0x4000:
2101 		nxgep->rx_default_block_size = 0x4000;
2102 		nxgep->rx_bksize_code = RBR_BKSIZE_16K;
2103 		break;
2104 	case 0x8000:
2105 		nxgep->rx_default_block_size = 0x8000;
2106 		nxgep->rx_bksize_code = RBR_BKSIZE_32K;
2107 		break;
2108 	}
2109 
2110 #ifndef USE_RX_BIG_BUF
2111 	nxge_rx_dma_attr.dma_attr_align = nxgep->sys_page_sz;
2112 #else
2113 		nxgep->rx_default_block_size = 0x2000;
2114 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
2115 #endif
2116 	/*
2117 	 * Get the system DMA burst size.
2118 	 */
2119 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, &nxge_tx_dma_attr,
2120 	    DDI_DMA_DONTWAIT, 0,
2121 	    &nxgep->dmasparehandle);
2122 	if (ddi_status != DDI_SUCCESS) {
2123 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2124 		    "ddi_dma_alloc_handle: failed "
2125 		    " status 0x%x", ddi_status));
2126 		goto nxge_get_soft_properties_exit;
2127 	}
2128 
2129 	ddi_status = ddi_dma_addr_bind_handle(nxgep->dmasparehandle, NULL,
2130 	    (caddr_t)nxgep->dmasparehandle,
2131 	    sizeof (nxgep->dmasparehandle),
2132 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2133 	    DDI_DMA_DONTWAIT, 0,
2134 	    &cookie, &count);
2135 	if (ddi_status != DDI_DMA_MAPPED) {
2136 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2137 		    "Binding spare handle to find system"
2138 		    " burstsize failed."));
2139 		ddi_status = DDI_FAILURE;
2140 		goto nxge_get_soft_properties_fail1;
2141 	}
2142 
2143 	nxgep->sys_burst_sz = ddi_dma_burstsizes(nxgep->dmasparehandle);
2144 	(void) ddi_dma_unbind_handle(nxgep->dmasparehandle);
2145 
2146 nxge_get_soft_properties_fail1:
2147 	ddi_dma_free_handle(&nxgep->dmasparehandle);
2148 
2149 nxge_get_soft_properties_exit:
2150 
2151 	if (ddi_status != DDI_SUCCESS)
2152 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2153 
2154 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2155 	    "<== nxge_setup_system_dma_pages status = 0x%08x", status));
2156 	return (status);
2157 }
2158 
2159 static nxge_status_t
2160 nxge_alloc_mem_pool(p_nxge_t nxgep)
2161 {
2162 	nxge_status_t	status = NXGE_OK;
2163 
2164 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_alloc_mem_pool"));
2165 
2166 	status = nxge_alloc_rx_mem_pool(nxgep);
2167 	if (status != NXGE_OK) {
2168 		return (NXGE_ERROR);
2169 	}
2170 
2171 	status = nxge_alloc_tx_mem_pool(nxgep);
2172 	if (status != NXGE_OK) {
2173 		nxge_free_rx_mem_pool(nxgep);
2174 		return (NXGE_ERROR);
2175 	}
2176 
2177 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_alloc_mem_pool"));
2178 	return (NXGE_OK);
2179 }
2180 
2181 static void
2182 nxge_free_mem_pool(p_nxge_t nxgep)
2183 {
2184 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_mem_pool"));
2185 
2186 	nxge_free_rx_mem_pool(nxgep);
2187 	nxge_free_tx_mem_pool(nxgep);
2188 
2189 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_mem_pool"));
2190 }
2191 
2192 nxge_status_t
2193 nxge_alloc_rx_mem_pool(p_nxge_t nxgep)
2194 {
2195 	uint32_t		rdc_max;
2196 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
2197 	p_nxge_hw_pt_cfg_t	p_cfgp;
2198 	p_nxge_dma_pool_t	dma_poolp;
2199 	p_nxge_dma_common_t	*dma_buf_p;
2200 	p_nxge_dma_pool_t	dma_cntl_poolp;
2201 	p_nxge_dma_common_t	*dma_cntl_p;
2202 	uint32_t 		*num_chunks; /* per dma */
2203 	nxge_status_t		status = NXGE_OK;
2204 
2205 	uint32_t		nxge_port_rbr_size;
2206 	uint32_t		nxge_port_rbr_spare_size;
2207 	uint32_t		nxge_port_rcr_size;
2208 	uint32_t		rx_cntl_alloc_size;
2209 
2210 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_mem_pool"));
2211 
2212 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
2213 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
2214 	rdc_max = NXGE_MAX_RDCS;
2215 
2216 	/*
2217 	 * Allocate memory for the common DMA data structures.
2218 	 */
2219 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2220 	    KM_SLEEP);
2221 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2222 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2223 
2224 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2225 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2226 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2227 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2228 
2229 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2230 	    sizeof (uint32_t) * rdc_max, KM_SLEEP);
2231 
2232 	/*
2233 	 * Assume that each DMA channel will be configured with
2234 	 * the default block size.
2235 	 * rbr block counts are modulo the batch count (16).
2236 	 */
2237 	nxge_port_rbr_size = p_all_cfgp->rbr_size;
2238 	nxge_port_rcr_size = p_all_cfgp->rcr_size;
2239 
2240 	if (!nxge_port_rbr_size) {
2241 		nxge_port_rbr_size = NXGE_RBR_RBB_DEFAULT;
2242 	}
2243 	if (nxge_port_rbr_size % NXGE_RXDMA_POST_BATCH) {
2244 		nxge_port_rbr_size = (NXGE_RXDMA_POST_BATCH *
2245 		    (nxge_port_rbr_size / NXGE_RXDMA_POST_BATCH + 1));
2246 	}
2247 
2248 	p_all_cfgp->rbr_size = nxge_port_rbr_size;
2249 	nxge_port_rbr_spare_size = nxge_rbr_spare_size;
2250 
2251 	if (nxge_port_rbr_spare_size % NXGE_RXDMA_POST_BATCH) {
2252 		nxge_port_rbr_spare_size = (NXGE_RXDMA_POST_BATCH *
2253 		    (nxge_port_rbr_spare_size / NXGE_RXDMA_POST_BATCH + 1));
2254 	}
2255 	if (nxge_port_rbr_size > RBR_DEFAULT_MAX_BLKS) {
2256 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2257 		    "nxge_alloc_rx_mem_pool: RBR size too high %d, "
2258 		    "set to default %d",
2259 		    nxge_port_rbr_size, RBR_DEFAULT_MAX_BLKS));
2260 		nxge_port_rbr_size = RBR_DEFAULT_MAX_BLKS;
2261 	}
2262 	if (nxge_port_rcr_size > RCR_DEFAULT_MAX) {
2263 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2264 		    "nxge_alloc_rx_mem_pool: RCR too high %d, "
2265 		    "set to default %d",
2266 		    nxge_port_rcr_size, RCR_DEFAULT_MAX));
2267 		nxge_port_rcr_size = RCR_DEFAULT_MAX;
2268 	}
2269 
2270 	/*
2271 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2272 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2273 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2274 	 * function).
2275 	 */
2276 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2277 	if (nxgep->niu_type == N2_NIU) {
2278 		nxge_port_rbr_spare_size = 0;
2279 		if ((nxge_port_rbr_size > NXGE_NIU_CONTIG_RBR_MAX) ||
2280 		    (!ISP2(nxge_port_rbr_size))) {
2281 			nxge_port_rbr_size = NXGE_NIU_CONTIG_RBR_MAX;
2282 		}
2283 		if ((nxge_port_rcr_size > NXGE_NIU_CONTIG_RCR_MAX) ||
2284 		    (!ISP2(nxge_port_rcr_size))) {
2285 			nxge_port_rcr_size = NXGE_NIU_CONTIG_RCR_MAX;
2286 		}
2287 	}
2288 #endif
2289 
2290 	/*
2291 	 * Addresses of receive block ring, receive completion ring and the
2292 	 * mailbox must be all cache-aligned (64 bytes).
2293 	 */
2294 	rx_cntl_alloc_size = nxge_port_rbr_size + nxge_port_rbr_spare_size;
2295 	rx_cntl_alloc_size *= (sizeof (rx_desc_t));
2296 	rx_cntl_alloc_size += (sizeof (rcr_entry_t) * nxge_port_rcr_size);
2297 	rx_cntl_alloc_size += sizeof (rxdma_mailbox_t);
2298 
2299 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_alloc_rx_mem_pool: "
2300 	    "nxge_port_rbr_size = %d nxge_port_rbr_spare_size = %d "
2301 	    "nxge_port_rcr_size = %d "
2302 	    "rx_cntl_alloc_size = %d",
2303 	    nxge_port_rbr_size, nxge_port_rbr_spare_size,
2304 	    nxge_port_rcr_size,
2305 	    rx_cntl_alloc_size));
2306 
2307 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2308 	if (nxgep->niu_type == N2_NIU) {
2309 		uint32_t rx_buf_alloc_size = (nxgep->rx_default_block_size *
2310 		    (nxge_port_rbr_size + nxge_port_rbr_spare_size));
2311 
2312 		if (!ISP2(rx_buf_alloc_size)) {
2313 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2314 			    "==> nxge_alloc_rx_mem_pool: "
2315 			    " must be power of 2"));
2316 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2317 			goto nxge_alloc_rx_mem_pool_exit;
2318 		}
2319 
2320 		if (rx_buf_alloc_size > (1 << 22)) {
2321 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2322 			    "==> nxge_alloc_rx_mem_pool: "
2323 			    " limit size to 4M"));
2324 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2325 			goto nxge_alloc_rx_mem_pool_exit;
2326 		}
2327 
2328 		if (rx_cntl_alloc_size < 0x2000) {
2329 			rx_cntl_alloc_size = 0x2000;
2330 		}
2331 	}
2332 #endif
2333 	nxgep->nxge_port_rbr_size = nxge_port_rbr_size;
2334 	nxgep->nxge_port_rcr_size = nxge_port_rcr_size;
2335 	nxgep->nxge_port_rbr_spare_size = nxge_port_rbr_spare_size;
2336 	nxgep->nxge_port_rx_cntl_alloc_size = rx_cntl_alloc_size;
2337 
2338 	dma_poolp->ndmas = p_cfgp->max_rdcs;
2339 	dma_poolp->num_chunks = num_chunks;
2340 	dma_poolp->buf_allocated = B_TRUE;
2341 	nxgep->rx_buf_pool_p = dma_poolp;
2342 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2343 
2344 	dma_cntl_poolp->ndmas = p_cfgp->max_rdcs;
2345 	dma_cntl_poolp->buf_allocated = B_TRUE;
2346 	nxgep->rx_cntl_pool_p = dma_cntl_poolp;
2347 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2348 
2349 	/* Allocate the receive rings, too. */
2350 	nxgep->rx_rbr_rings =
2351 	    KMEM_ZALLOC(sizeof (rx_rbr_rings_t), KM_SLEEP);
2352 	nxgep->rx_rbr_rings->rbr_rings =
2353 	    KMEM_ZALLOC(sizeof (p_rx_rbr_ring_t) * rdc_max, KM_SLEEP);
2354 	nxgep->rx_rcr_rings =
2355 	    KMEM_ZALLOC(sizeof (rx_rcr_rings_t), KM_SLEEP);
2356 	nxgep->rx_rcr_rings->rcr_rings =
2357 	    KMEM_ZALLOC(sizeof (p_rx_rcr_ring_t) * rdc_max, KM_SLEEP);
2358 	nxgep->rx_mbox_areas_p =
2359 	    KMEM_ZALLOC(sizeof (rx_mbox_areas_t), KM_SLEEP);
2360 	nxgep->rx_mbox_areas_p->rxmbox_areas =
2361 	    KMEM_ZALLOC(sizeof (p_rx_mbox_t) * rdc_max, KM_SLEEP);
2362 
2363 	nxgep->rx_rbr_rings->ndmas = nxgep->rx_rcr_rings->ndmas =
2364 	    p_cfgp->max_rdcs;
2365 
2366 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2367 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2368 
2369 nxge_alloc_rx_mem_pool_exit:
2370 	return (status);
2371 }
2372 
2373 /*
2374  * nxge_alloc_rxb
2375  *
2376  *	Allocate buffers for an RDC.
2377  *
2378  * Arguments:
2379  * 	nxgep
2380  * 	channel	The channel to map into our kernel space.
2381  *
2382  * Notes:
2383  *
2384  * NPI function calls:
2385  *
2386  * NXGE function calls:
2387  *
2388  * Registers accessed:
2389  *
2390  * Context:
2391  *
2392  * Taking apart:
2393  *
2394  * Open questions:
2395  *
2396  */
2397 nxge_status_t
2398 nxge_alloc_rxb(
2399 	p_nxge_t nxgep,
2400 	int channel)
2401 {
2402 	size_t			rx_buf_alloc_size;
2403 	nxge_status_t		status = NXGE_OK;
2404 
2405 	nxge_dma_common_t	**data;
2406 	nxge_dma_common_t	**control;
2407 	uint32_t 		*num_chunks;
2408 
2409 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2410 
2411 	/*
2412 	 * Allocate memory for the receive buffers and descriptor rings.
2413 	 * Replace these allocation functions with the interface functions
2414 	 * provided by the partition manager if/when they are available.
2415 	 */
2416 
2417 	/*
2418 	 * Allocate memory for the receive buffer blocks.
2419 	 */
2420 	rx_buf_alloc_size = (nxgep->rx_default_block_size *
2421 	    (nxgep->nxge_port_rbr_size + nxgep->nxge_port_rbr_spare_size));
2422 
2423 	data = &nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2424 	num_chunks = &nxgep->rx_buf_pool_p->num_chunks[channel];
2425 
2426 	if ((status = nxge_alloc_rx_buf_dma(
2427 	    nxgep, channel, data, rx_buf_alloc_size,
2428 	    nxgep->rx_default_block_size, num_chunks)) != NXGE_OK) {
2429 		return (status);
2430 	}
2431 
2432 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_alloc_rxb(): "
2433 	    "dma %d dma_buf_p %llx &dma_buf_p %llx", channel, *data, data));
2434 
2435 	/*
2436 	 * Allocate memory for descriptor rings and mailbox.
2437 	 */
2438 	control = &nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2439 
2440 	if ((status = nxge_alloc_rx_cntl_dma(
2441 	    nxgep, channel, control, nxgep->nxge_port_rx_cntl_alloc_size))
2442 	    != NXGE_OK) {
2443 		nxge_free_rx_cntl_dma(nxgep, *control);
2444 		(*data)->buf_alloc_state |= BUF_ALLOCATED_WAIT_FREE;
2445 		nxge_free_rx_buf_dma(nxgep, *data, *num_chunks);
2446 		return (status);
2447 	}
2448 
2449 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2450 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2451 
2452 	return (status);
2453 }
2454 
2455 void
2456 nxge_free_rxb(
2457 	p_nxge_t nxgep,
2458 	int channel)
2459 {
2460 	nxge_dma_common_t	*data;
2461 	nxge_dma_common_t	*control;
2462 	uint32_t 		num_chunks;
2463 
2464 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2465 
2466 	data = nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2467 	num_chunks = nxgep->rx_buf_pool_p->num_chunks[channel];
2468 	nxge_free_rx_buf_dma(nxgep, data, num_chunks);
2469 
2470 	nxgep->rx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2471 	nxgep->rx_buf_pool_p->num_chunks[channel] = 0;
2472 
2473 	control = nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2474 	nxge_free_rx_cntl_dma(nxgep, control);
2475 
2476 	nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2477 
2478 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2479 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2480 
2481 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_alloc_rbb"));
2482 }
2483 
2484 static void
2485 nxge_free_rx_mem_pool(p_nxge_t nxgep)
2486 {
2487 	int rdc_max = NXGE_MAX_RDCS;
2488 
2489 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_mem_pool"));
2490 
2491 	if (!nxgep->rx_buf_pool_p || !nxgep->rx_buf_pool_p->buf_allocated) {
2492 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2493 		    "<== nxge_free_rx_mem_pool "
2494 		    "(null rx buf pool or buf not allocated"));
2495 		return;
2496 	}
2497 	if (!nxgep->rx_cntl_pool_p || !nxgep->rx_cntl_pool_p->buf_allocated) {
2498 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2499 		    "<== nxge_free_rx_mem_pool "
2500 		    "(null rx cntl buf pool or cntl buf not allocated"));
2501 		return;
2502 	}
2503 
2504 	KMEM_FREE(nxgep->rx_cntl_pool_p->dma_buf_pool_p,
2505 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2506 	KMEM_FREE(nxgep->rx_cntl_pool_p, sizeof (nxge_dma_pool_t));
2507 
2508 	KMEM_FREE(nxgep->rx_buf_pool_p->num_chunks,
2509 	    sizeof (uint32_t) * rdc_max);
2510 	KMEM_FREE(nxgep->rx_buf_pool_p->dma_buf_pool_p,
2511 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2512 	KMEM_FREE(nxgep->rx_buf_pool_p, sizeof (nxge_dma_pool_t));
2513 
2514 	nxgep->rx_buf_pool_p = 0;
2515 	nxgep->rx_cntl_pool_p = 0;
2516 
2517 	KMEM_FREE(nxgep->rx_rbr_rings->rbr_rings,
2518 	    sizeof (p_rx_rbr_ring_t) * rdc_max);
2519 	KMEM_FREE(nxgep->rx_rbr_rings, sizeof (rx_rbr_rings_t));
2520 	KMEM_FREE(nxgep->rx_rcr_rings->rcr_rings,
2521 	    sizeof (p_rx_rcr_ring_t) * rdc_max);
2522 	KMEM_FREE(nxgep->rx_rcr_rings, sizeof (rx_rcr_rings_t));
2523 	KMEM_FREE(nxgep->rx_mbox_areas_p->rxmbox_areas,
2524 	    sizeof (p_rx_mbox_t) * rdc_max);
2525 	KMEM_FREE(nxgep->rx_mbox_areas_p, sizeof (rx_mbox_areas_t));
2526 
2527 	nxgep->rx_rbr_rings = 0;
2528 	nxgep->rx_rcr_rings = 0;
2529 	nxgep->rx_mbox_areas_p = 0;
2530 
2531 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_rx_mem_pool"));
2532 }
2533 
2534 
2535 static nxge_status_t
2536 nxge_alloc_rx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2537 	p_nxge_dma_common_t *dmap,
2538 	size_t alloc_size, size_t block_size, uint32_t *num_chunks)
2539 {
2540 	p_nxge_dma_common_t 	rx_dmap;
2541 	nxge_status_t		status = NXGE_OK;
2542 	size_t			total_alloc_size;
2543 	size_t			allocated = 0;
2544 	int			i, size_index, array_size;
2545 	boolean_t		use_kmem_alloc = B_FALSE;
2546 
2547 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_buf_dma"));
2548 
2549 	rx_dmap = (p_nxge_dma_common_t)
2550 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2551 	    KM_SLEEP);
2552 
2553 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2554 	    " alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
2555 	    dma_channel, alloc_size, block_size, dmap));
2556 
2557 	total_alloc_size = alloc_size;
2558 
2559 #if defined(RX_USE_RECLAIM_POST)
2560 	total_alloc_size = alloc_size + alloc_size/4;
2561 #endif
2562 
2563 	i = 0;
2564 	size_index = 0;
2565 	array_size =  sizeof (alloc_sizes)/sizeof (size_t);
2566 	while ((alloc_sizes[size_index] < alloc_size) &&
2567 	    (size_index < array_size))
2568 		size_index++;
2569 	if (size_index >= array_size) {
2570 		size_index = array_size - 1;
2571 	}
2572 
2573 	/* For Neptune, use kmem_alloc if the kmem flag is set. */
2574 	if (nxgep->niu_type != N2_NIU && nxge_use_kmem_alloc) {
2575 		use_kmem_alloc = B_TRUE;
2576 #if defined(__i386) || defined(__amd64)
2577 		size_index = 0;
2578 #endif
2579 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2580 		    "==> nxge_alloc_rx_buf_dma: "
2581 		    "Neptune use kmem_alloc() - size_index %d",
2582 		    size_index));
2583 	}
2584 
2585 	while ((allocated < total_alloc_size) &&
2586 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2587 		rx_dmap[i].dma_chunk_index = i;
2588 		rx_dmap[i].block_size = block_size;
2589 		rx_dmap[i].alength = alloc_sizes[size_index];
2590 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
2591 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2592 		rx_dmap[i].dma_channel = dma_channel;
2593 		rx_dmap[i].contig_alloc_type = B_FALSE;
2594 		rx_dmap[i].kmem_alloc_type = B_FALSE;
2595 		rx_dmap[i].buf_alloc_type = DDI_MEM_ALLOC;
2596 
2597 		/*
2598 		 * N2/NIU: data buffers must be contiguous as the driver
2599 		 *	   needs to call Hypervisor api to set up
2600 		 *	   logical pages.
2601 		 */
2602 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2603 			rx_dmap[i].contig_alloc_type = B_TRUE;
2604 			rx_dmap[i].buf_alloc_type = CONTIG_MEM_ALLOC;
2605 		} else if (use_kmem_alloc) {
2606 			/* For Neptune, use kmem_alloc */
2607 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2608 			    "==> nxge_alloc_rx_buf_dma: "
2609 			    "Neptune use kmem_alloc()"));
2610 			rx_dmap[i].kmem_alloc_type = B_TRUE;
2611 			rx_dmap[i].buf_alloc_type = KMEM_ALLOC;
2612 		}
2613 
2614 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2615 		    "alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
2616 		    "i %d nblocks %d alength %d",
2617 		    dma_channel, i, &rx_dmap[i], block_size,
2618 		    i, rx_dmap[i].nblocks,
2619 		    rx_dmap[i].alength));
2620 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2621 		    &nxge_rx_dma_attr,
2622 		    rx_dmap[i].alength,
2623 		    &nxge_dev_buf_dma_acc_attr,
2624 		    DDI_DMA_READ | DDI_DMA_STREAMING,
2625 		    (p_nxge_dma_common_t)(&rx_dmap[i]));
2626 		if (status != NXGE_OK) {
2627 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2628 			    "nxge_alloc_rx_buf_dma: Alloc Failed: "
2629 			    "dma %d size_index %d size requested %d",
2630 			    dma_channel,
2631 			    size_index,
2632 			    rx_dmap[i].alength));
2633 			size_index--;
2634 		} else {
2635 			rx_dmap[i].buf_alloc_state = BUF_ALLOCATED;
2636 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2637 			    " nxge_alloc_rx_buf_dma DONE  alloc mem: "
2638 			    "dma %d dma_buf_p $%p kaddrp $%p alength %d "
2639 			    "buf_alloc_state %d alloc_type %d",
2640 			    dma_channel,
2641 			    &rx_dmap[i],
2642 			    rx_dmap[i].kaddrp,
2643 			    rx_dmap[i].alength,
2644 			    rx_dmap[i].buf_alloc_state,
2645 			    rx_dmap[i].buf_alloc_type));
2646 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2647 			    " alloc_rx_buf_dma allocated rdc %d "
2648 			    "chunk %d size %x dvma %x bufp %llx kaddrp $%p",
2649 			    dma_channel, i, rx_dmap[i].alength,
2650 			    rx_dmap[i].ioaddr_pp, &rx_dmap[i],
2651 			    rx_dmap[i].kaddrp));
2652 			i++;
2653 			allocated += alloc_sizes[size_index];
2654 		}
2655 	}
2656 
2657 	if (allocated < total_alloc_size) {
2658 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2659 		    "==> nxge_alloc_rx_buf_dma: not enough for channel %d "
2660 		    "allocated 0x%x requested 0x%x",
2661 		    dma_channel,
2662 		    allocated, total_alloc_size));
2663 		status = NXGE_ERROR;
2664 		goto nxge_alloc_rx_mem_fail1;
2665 	}
2666 
2667 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2668 	    "==> nxge_alloc_rx_buf_dma: Allocated for channel %d "
2669 	    "allocated 0x%x requested 0x%x",
2670 	    dma_channel,
2671 	    allocated, total_alloc_size));
2672 
2673 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2674 	    " alloc_rx_buf_dma rdc %d allocated %d chunks",
2675 	    dma_channel, i));
2676 	*num_chunks = i;
2677 	*dmap = rx_dmap;
2678 
2679 	goto nxge_alloc_rx_mem_exit;
2680 
2681 nxge_alloc_rx_mem_fail1:
2682 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2683 
2684 nxge_alloc_rx_mem_exit:
2685 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2686 	    "<== nxge_alloc_rx_buf_dma status 0x%08x", status));
2687 
2688 	return (status);
2689 }
2690 
2691 /*ARGSUSED*/
2692 static void
2693 nxge_free_rx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2694     uint32_t num_chunks)
2695 {
2696 	int		i;
2697 
2698 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2699 	    "==> nxge_free_rx_buf_dma: # of chunks %d", num_chunks));
2700 
2701 	if (dmap == 0)
2702 		return;
2703 
2704 	for (i = 0; i < num_chunks; i++) {
2705 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2706 		    "==> nxge_free_rx_buf_dma: chunk %d dmap 0x%llx",
2707 		    i, dmap));
2708 		nxge_dma_free_rx_data_buf(dmap++);
2709 	}
2710 
2711 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_buf_dma"));
2712 }
2713 
2714 /*ARGSUSED*/
2715 static nxge_status_t
2716 nxge_alloc_rx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2717     p_nxge_dma_common_t *dmap, size_t size)
2718 {
2719 	p_nxge_dma_common_t 	rx_dmap;
2720 	nxge_status_t		status = NXGE_OK;
2721 
2722 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_cntl_dma"));
2723 
2724 	rx_dmap = (p_nxge_dma_common_t)
2725 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2726 
2727 	rx_dmap->contig_alloc_type = B_FALSE;
2728 	rx_dmap->kmem_alloc_type = B_FALSE;
2729 
2730 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2731 	    &nxge_desc_dma_attr,
2732 	    size,
2733 	    &nxge_dev_desc_dma_acc_attr,
2734 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2735 	    rx_dmap);
2736 	if (status != NXGE_OK) {
2737 		goto nxge_alloc_rx_cntl_dma_fail1;
2738 	}
2739 
2740 	*dmap = rx_dmap;
2741 	goto nxge_alloc_rx_cntl_dma_exit;
2742 
2743 nxge_alloc_rx_cntl_dma_fail1:
2744 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t));
2745 
2746 nxge_alloc_rx_cntl_dma_exit:
2747 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2748 	    "<== nxge_alloc_rx_cntl_dma status 0x%08x", status));
2749 
2750 	return (status);
2751 }
2752 
2753 /*ARGSUSED*/
2754 static void
2755 nxge_free_rx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2756 {
2757 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_rx_cntl_dma"));
2758 
2759 	if (dmap == 0)
2760 		return;
2761 
2762 	nxge_dma_mem_free(dmap);
2763 
2764 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_rx_cntl_dma"));
2765 }
2766 
2767 typedef struct {
2768 	size_t	tx_size;
2769 	size_t	cr_size;
2770 	size_t	threshhold;
2771 } nxge_tdc_sizes_t;
2772 
2773 static
2774 nxge_status_t
2775 nxge_tdc_sizes(
2776 	nxge_t *nxgep,
2777 	nxge_tdc_sizes_t *sizes)
2778 {
2779 	uint32_t threshhold;	/* The bcopy() threshhold */
2780 	size_t tx_size;		/* Transmit buffer size */
2781 	size_t cr_size;		/* Completion ring size */
2782 
2783 	/*
2784 	 * Assume that each DMA channel will be configured with the
2785 	 * default transmit buffer size for copying transmit data.
2786 	 * (If a packet is bigger than this, it will not be copied.)
2787 	 */
2788 	if (nxgep->niu_type == N2_NIU) {
2789 		threshhold = TX_BCOPY_SIZE;
2790 	} else {
2791 		threshhold = nxge_bcopy_thresh;
2792 	}
2793 	tx_size = nxge_tx_ring_size * threshhold;
2794 
2795 	cr_size = nxge_tx_ring_size * sizeof (tx_desc_t);
2796 	cr_size += sizeof (txdma_mailbox_t);
2797 
2798 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2799 	if (nxgep->niu_type == N2_NIU) {
2800 		if (!ISP2(tx_size)) {
2801 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2802 			    "==> nxge_tdc_sizes: Tx size"
2803 			    " must be power of 2"));
2804 			return (NXGE_ERROR);
2805 		}
2806 
2807 		if (tx_size > (1 << 22)) {
2808 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2809 			    "==> nxge_tdc_sizes: Tx size"
2810 			    " limited to 4M"));
2811 			return (NXGE_ERROR);
2812 		}
2813 
2814 		if (cr_size < 0x2000)
2815 			cr_size = 0x2000;
2816 	}
2817 #endif
2818 
2819 	sizes->threshhold = threshhold;
2820 	sizes->tx_size = tx_size;
2821 	sizes->cr_size = cr_size;
2822 
2823 	return (NXGE_OK);
2824 }
2825 /*
2826  * nxge_alloc_txb
2827  *
2828  *	Allocate buffers for an TDC.
2829  *
2830  * Arguments:
2831  * 	nxgep
2832  * 	channel	The channel to map into our kernel space.
2833  *
2834  * Notes:
2835  *
2836  * NPI function calls:
2837  *
2838  * NXGE function calls:
2839  *
2840  * Registers accessed:
2841  *
2842  * Context:
2843  *
2844  * Taking apart:
2845  *
2846  * Open questions:
2847  *
2848  */
2849 nxge_status_t
2850 nxge_alloc_txb(
2851 	p_nxge_t nxgep,
2852 	int channel)
2853 {
2854 	nxge_dma_common_t	**dma_buf_p;
2855 	nxge_dma_common_t	**dma_cntl_p;
2856 	uint32_t 		*num_chunks;
2857 	nxge_status_t		status = NXGE_OK;
2858 
2859 	nxge_tdc_sizes_t	sizes;
2860 
2861 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tbb"));
2862 
2863 	if (nxge_tdc_sizes(nxgep, &sizes) != NXGE_OK)
2864 		return (NXGE_ERROR);
2865 
2866 	/*
2867 	 * Allocate memory for transmit buffers and descriptor rings.
2868 	 * Replace these allocation functions with the interface functions
2869 	 * provided by the partition manager Real Soon Now.
2870 	 */
2871 	dma_buf_p = &nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2872 	num_chunks = &nxgep->tx_buf_pool_p->num_chunks[channel];
2873 
2874 	dma_cntl_p = &nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2875 
2876 	/*
2877 	 * Allocate memory for transmit buffers and descriptor rings.
2878 	 * Replace allocation functions with interface functions provided
2879 	 * by the partition manager when it is available.
2880 	 *
2881 	 * Allocate memory for the transmit buffer pool.
2882 	 */
2883 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2884 	    "sizes: tx: %ld, cr:%ld, th:%ld",
2885 	    sizes.tx_size, sizes.cr_size, sizes.threshhold));
2886 
2887 	*num_chunks = 0;
2888 	status = nxge_alloc_tx_buf_dma(nxgep, channel, dma_buf_p,
2889 	    sizes.tx_size, sizes.threshhold, num_chunks);
2890 	if (status != NXGE_OK) {
2891 		cmn_err(CE_NOTE, "nxge_alloc_tx_buf_dma failed!");
2892 		return (status);
2893 	}
2894 
2895 	/*
2896 	 * Allocate memory for descriptor rings and mailbox.
2897 	 */
2898 	status = nxge_alloc_tx_cntl_dma(nxgep, channel, dma_cntl_p,
2899 	    sizes.cr_size);
2900 	if (status != NXGE_OK) {
2901 		nxge_free_tx_buf_dma(nxgep, *dma_buf_p, *num_chunks);
2902 		cmn_err(CE_NOTE, "nxge_alloc_tx_cntl_dma failed!");
2903 		return (status);
2904 	}
2905 
2906 	return (NXGE_OK);
2907 }
2908 
2909 void
2910 nxge_free_txb(
2911 	p_nxge_t nxgep,
2912 	int channel)
2913 {
2914 	nxge_dma_common_t	*data;
2915 	nxge_dma_common_t	*control;
2916 	uint32_t 		num_chunks;
2917 
2918 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_txb"));
2919 
2920 	data = nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2921 	num_chunks = nxgep->tx_buf_pool_p->num_chunks[channel];
2922 	nxge_free_tx_buf_dma(nxgep, data, num_chunks);
2923 
2924 	nxgep->tx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2925 	nxgep->tx_buf_pool_p->num_chunks[channel] = 0;
2926 
2927 	control = nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2928 	nxge_free_tx_cntl_dma(nxgep, control);
2929 
2930 	nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2931 
2932 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2933 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2934 
2935 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_txb"));
2936 }
2937 
2938 /*
2939  * nxge_alloc_tx_mem_pool
2940  *
2941  *	This function allocates all of the per-port TDC control data structures.
2942  *	The per-channel (TDC) data structures are allocated when needed.
2943  *
2944  * Arguments:
2945  * 	nxgep
2946  *
2947  * Notes:
2948  *
2949  * Context:
2950  *	Any domain
2951  */
2952 nxge_status_t
2953 nxge_alloc_tx_mem_pool(p_nxge_t nxgep)
2954 {
2955 	nxge_hw_pt_cfg_t	*p_cfgp;
2956 	nxge_dma_pool_t		*dma_poolp;
2957 	nxge_dma_common_t	**dma_buf_p;
2958 	nxge_dma_pool_t		*dma_cntl_poolp;
2959 	nxge_dma_common_t	**dma_cntl_p;
2960 	uint32_t		*num_chunks; /* per dma */
2961 	int			tdc_max;
2962 
2963 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool"));
2964 
2965 	p_cfgp = &nxgep->pt_config.hw_config;
2966 	tdc_max = NXGE_MAX_TDCS;
2967 
2968 	/*
2969 	 * Allocate memory for each transmit DMA channel.
2970 	 */
2971 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2972 	    KM_SLEEP);
2973 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2974 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2975 
2976 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2977 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2978 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2979 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2980 
2981 	if (nxge_tx_ring_size > TDC_DEFAULT_MAX) {
2982 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2983 		    "nxge_alloc_tx_mem_pool: TDC too high %d, "
2984 		    "set to default %d",
2985 		    nxge_tx_ring_size, TDC_DEFAULT_MAX));
2986 		nxge_tx_ring_size = TDC_DEFAULT_MAX;
2987 	}
2988 
2989 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2990 	/*
2991 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2992 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2993 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2994 	 * function). The transmit ring is limited to 8K (includes the
2995 	 * mailbox).
2996 	 */
2997 	if (nxgep->niu_type == N2_NIU) {
2998 		if ((nxge_tx_ring_size > NXGE_NIU_CONTIG_TX_MAX) ||
2999 		    (!ISP2(nxge_tx_ring_size))) {
3000 			nxge_tx_ring_size = NXGE_NIU_CONTIG_TX_MAX;
3001 		}
3002 	}
3003 #endif
3004 
3005 	nxgep->nxge_port_tx_ring_size = nxge_tx_ring_size;
3006 
3007 	num_chunks = (uint32_t *)KMEM_ZALLOC(
3008 	    sizeof (uint32_t) * tdc_max, KM_SLEEP);
3009 
3010 	dma_poolp->ndmas = p_cfgp->tdc.owned;
3011 	dma_poolp->num_chunks = num_chunks;
3012 	dma_poolp->dma_buf_pool_p = dma_buf_p;
3013 	nxgep->tx_buf_pool_p = dma_poolp;
3014 
3015 	dma_poolp->buf_allocated = B_TRUE;
3016 
3017 	dma_cntl_poolp->ndmas = p_cfgp->tdc.owned;
3018 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
3019 	nxgep->tx_cntl_pool_p = dma_cntl_poolp;
3020 
3021 	dma_cntl_poolp->buf_allocated = B_TRUE;
3022 
3023 	nxgep->tx_rings =
3024 	    KMEM_ZALLOC(sizeof (tx_rings_t), KM_SLEEP);
3025 	nxgep->tx_rings->rings =
3026 	    KMEM_ZALLOC(sizeof (p_tx_ring_t) * tdc_max, KM_SLEEP);
3027 	nxgep->tx_mbox_areas_p =
3028 	    KMEM_ZALLOC(sizeof (tx_mbox_areas_t), KM_SLEEP);
3029 	nxgep->tx_mbox_areas_p->txmbox_areas_p =
3030 	    KMEM_ZALLOC(sizeof (p_tx_mbox_t) * tdc_max, KM_SLEEP);
3031 
3032 	nxgep->tx_rings->ndmas = p_cfgp->tdc.owned;
3033 
3034 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
3035 	    "==> nxge_alloc_tx_mem_pool: ndmas %d poolp->ndmas %d",
3036 	    tdc_max, dma_poolp->ndmas));
3037 
3038 	return (NXGE_OK);
3039 }
3040 
3041 nxge_status_t
3042 nxge_alloc_tx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
3043     p_nxge_dma_common_t *dmap, size_t alloc_size,
3044     size_t block_size, uint32_t *num_chunks)
3045 {
3046 	p_nxge_dma_common_t 	tx_dmap;
3047 	nxge_status_t		status = NXGE_OK;
3048 	size_t			total_alloc_size;
3049 	size_t			allocated = 0;
3050 	int			i, size_index, array_size;
3051 
3052 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_buf_dma"));
3053 
3054 	tx_dmap = (p_nxge_dma_common_t)
3055 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
3056 	    KM_SLEEP);
3057 
3058 	total_alloc_size = alloc_size;
3059 	i = 0;
3060 	size_index = 0;
3061 	array_size =  sizeof (alloc_sizes) /  sizeof (size_t);
3062 	while ((alloc_sizes[size_index] < alloc_size) &&
3063 	    (size_index < array_size))
3064 		size_index++;
3065 	if (size_index >= array_size) {
3066 		size_index = array_size - 1;
3067 	}
3068 
3069 	while ((allocated < total_alloc_size) &&
3070 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
3071 
3072 		tx_dmap[i].dma_chunk_index = i;
3073 		tx_dmap[i].block_size = block_size;
3074 		tx_dmap[i].alength = alloc_sizes[size_index];
3075 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
3076 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
3077 		tx_dmap[i].dma_channel = dma_channel;
3078 		tx_dmap[i].contig_alloc_type = B_FALSE;
3079 		tx_dmap[i].kmem_alloc_type = B_FALSE;
3080 
3081 		/*
3082 		 * N2/NIU: data buffers must be contiguous as the driver
3083 		 *	   needs to call Hypervisor api to set up
3084 		 *	   logical pages.
3085 		 */
3086 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
3087 			tx_dmap[i].contig_alloc_type = B_TRUE;
3088 		}
3089 
3090 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
3091 		    &nxge_tx_dma_attr,
3092 		    tx_dmap[i].alength,
3093 		    &nxge_dev_buf_dma_acc_attr,
3094 		    DDI_DMA_WRITE | DDI_DMA_STREAMING,
3095 		    (p_nxge_dma_common_t)(&tx_dmap[i]));
3096 		if (status != NXGE_OK) {
3097 			size_index--;
3098 		} else {
3099 			i++;
3100 			allocated += alloc_sizes[size_index];
3101 		}
3102 	}
3103 
3104 	if (allocated < total_alloc_size) {
3105 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3106 		    "==> nxge_alloc_tx_buf_dma: not enough channel %d: "
3107 		    "allocated 0x%x requested 0x%x",
3108 		    dma_channel,
3109 		    allocated, total_alloc_size));
3110 		status = NXGE_ERROR;
3111 		goto nxge_alloc_tx_mem_fail1;
3112 	}
3113 
3114 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3115 	    "==> nxge_alloc_tx_buf_dma: Allocated for channel %d: "
3116 	    "allocated 0x%x requested 0x%x",
3117 	    dma_channel,
3118 	    allocated, total_alloc_size));
3119 
3120 	*num_chunks = i;
3121 	*dmap = tx_dmap;
3122 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3123 	    "==> nxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
3124 	    *dmap, i));
3125 	goto nxge_alloc_tx_mem_exit;
3126 
3127 nxge_alloc_tx_mem_fail1:
3128 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
3129 
3130 nxge_alloc_tx_mem_exit:
3131 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3132 	    "<== nxge_alloc_tx_buf_dma status 0x%08x", status));
3133 
3134 	return (status);
3135 }
3136 
3137 /*ARGSUSED*/
3138 static void
3139 nxge_free_tx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
3140     uint32_t num_chunks)
3141 {
3142 	int		i;
3143 
3144 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_tx_buf_dma"));
3145 
3146 	if (dmap == 0)
3147 		return;
3148 
3149 	for (i = 0; i < num_chunks; i++) {
3150 		nxge_dma_mem_free(dmap++);
3151 	}
3152 
3153 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_tx_buf_dma"));
3154 }
3155 
3156 /*ARGSUSED*/
3157 nxge_status_t
3158 nxge_alloc_tx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
3159     p_nxge_dma_common_t *dmap, size_t size)
3160 {
3161 	p_nxge_dma_common_t 	tx_dmap;
3162 	nxge_status_t		status = NXGE_OK;
3163 
3164 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_cntl_dma"));
3165 	tx_dmap = (p_nxge_dma_common_t)
3166 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
3167 
3168 	tx_dmap->contig_alloc_type = B_FALSE;
3169 	tx_dmap->kmem_alloc_type = B_FALSE;
3170 
3171 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
3172 	    &nxge_desc_dma_attr,
3173 	    size,
3174 	    &nxge_dev_desc_dma_acc_attr,
3175 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
3176 	    tx_dmap);
3177 	if (status != NXGE_OK) {
3178 		goto nxge_alloc_tx_cntl_dma_fail1;
3179 	}
3180 
3181 	*dmap = tx_dmap;
3182 	goto nxge_alloc_tx_cntl_dma_exit;
3183 
3184 nxge_alloc_tx_cntl_dma_fail1:
3185 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t));
3186 
3187 nxge_alloc_tx_cntl_dma_exit:
3188 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3189 	    "<== nxge_alloc_tx_cntl_dma status 0x%08x", status));
3190 
3191 	return (status);
3192 }
3193 
3194 /*ARGSUSED*/
3195 static void
3196 nxge_free_tx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
3197 {
3198 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_tx_cntl_dma"));
3199 
3200 	if (dmap == 0)
3201 		return;
3202 
3203 	nxge_dma_mem_free(dmap);
3204 
3205 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_tx_cntl_dma"));
3206 }
3207 
3208 /*
3209  * nxge_free_tx_mem_pool
3210  *
3211  *	This function frees all of the per-port TDC control data structures.
3212  *	The per-channel (TDC) data structures are freed when the channel
3213  *	is stopped.
3214  *
3215  * Arguments:
3216  * 	nxgep
3217  *
3218  * Notes:
3219  *
3220  * Context:
3221  *	Any domain
3222  */
3223 static void
3224 nxge_free_tx_mem_pool(p_nxge_t nxgep)
3225 {
3226 	int tdc_max = NXGE_MAX_TDCS;
3227 
3228 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_tx_mem_pool"));
3229 
3230 	if (!nxgep->tx_buf_pool_p || !nxgep->tx_buf_pool_p->buf_allocated) {
3231 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3232 		    "<== nxge_free_tx_mem_pool "
3233 		    "(null tx buf pool or buf not allocated"));
3234 		return;
3235 	}
3236 	if (!nxgep->tx_cntl_pool_p || !nxgep->tx_cntl_pool_p->buf_allocated) {
3237 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3238 		    "<== nxge_free_tx_mem_pool "
3239 		    "(null tx cntl buf pool or cntl buf not allocated"));
3240 		return;
3241 	}
3242 
3243 	/* 1. Free the mailboxes. */
3244 	KMEM_FREE(nxgep->tx_mbox_areas_p->txmbox_areas_p,
3245 	    sizeof (p_tx_mbox_t) * tdc_max);
3246 	KMEM_FREE(nxgep->tx_mbox_areas_p, sizeof (tx_mbox_areas_t));
3247 
3248 	nxgep->tx_mbox_areas_p = 0;
3249 
3250 	/* 2. Free the transmit ring arrays. */
3251 	KMEM_FREE(nxgep->tx_rings->rings,
3252 	    sizeof (p_tx_ring_t) * tdc_max);
3253 	KMEM_FREE(nxgep->tx_rings, sizeof (tx_rings_t));
3254 
3255 	nxgep->tx_rings = 0;
3256 
3257 	/* 3. Free the completion ring data structures. */
3258 	KMEM_FREE(nxgep->tx_cntl_pool_p->dma_buf_pool_p,
3259 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3260 	KMEM_FREE(nxgep->tx_cntl_pool_p, sizeof (nxge_dma_pool_t));
3261 
3262 	nxgep->tx_cntl_pool_p = 0;
3263 
3264 	/* 4. Free the data ring data structures. */
3265 	KMEM_FREE(nxgep->tx_buf_pool_p->num_chunks,
3266 	    sizeof (uint32_t) * tdc_max);
3267 	KMEM_FREE(nxgep->tx_buf_pool_p->dma_buf_pool_p,
3268 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3269 	KMEM_FREE(nxgep->tx_buf_pool_p, sizeof (nxge_dma_pool_t));
3270 
3271 	nxgep->tx_buf_pool_p = 0;
3272 
3273 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_tx_mem_pool"));
3274 }
3275 
3276 /*ARGSUSED*/
3277 static nxge_status_t
3278 nxge_dma_mem_alloc(p_nxge_t nxgep, dma_method_t method,
3279 	struct ddi_dma_attr *dma_attrp,
3280 	size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
3281 	p_nxge_dma_common_t dma_p)
3282 {
3283 	caddr_t 		kaddrp;
3284 	int			ddi_status = DDI_SUCCESS;
3285 	boolean_t		contig_alloc_type;
3286 	boolean_t		kmem_alloc_type;
3287 
3288 	contig_alloc_type = dma_p->contig_alloc_type;
3289 
3290 	if (contig_alloc_type && (nxgep->niu_type != N2_NIU)) {
3291 		/*
3292 		 * contig_alloc_type for contiguous memory only allowed
3293 		 * for N2/NIU.
3294 		 */
3295 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3296 		    "nxge_dma_mem_alloc: alloc type not allowed (%d)",
3297 		    dma_p->contig_alloc_type));
3298 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3299 	}
3300 
3301 	dma_p->dma_handle = NULL;
3302 	dma_p->acc_handle = NULL;
3303 	dma_p->kaddrp = dma_p->last_kaddrp = NULL;
3304 	dma_p->first_ioaddr_pp = dma_p->last_ioaddr_pp = NULL;
3305 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, dma_attrp,
3306 	    DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
3307 	if (ddi_status != DDI_SUCCESS) {
3308 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3309 		    "nxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
3310 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3311 	}
3312 
3313 	kmem_alloc_type = dma_p->kmem_alloc_type;
3314 
3315 	switch (contig_alloc_type) {
3316 	case B_FALSE:
3317 		switch (kmem_alloc_type) {
3318 		case B_FALSE:
3319 			ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle,
3320 			    length,
3321 			    acc_attr_p,
3322 			    xfer_flags,
3323 			    DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
3324 			    &dma_p->acc_handle);
3325 			if (ddi_status != DDI_SUCCESS) {
3326 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3327 				    "nxge_dma_mem_alloc: "
3328 				    "ddi_dma_mem_alloc failed"));
3329 				ddi_dma_free_handle(&dma_p->dma_handle);
3330 				dma_p->dma_handle = NULL;
3331 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3332 			}
3333 			if (dma_p->alength < length) {
3334 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3335 				    "nxge_dma_mem_alloc:di_dma_mem_alloc "
3336 				    "< length."));
3337 				ddi_dma_mem_free(&dma_p->acc_handle);
3338 				ddi_dma_free_handle(&dma_p->dma_handle);
3339 				dma_p->acc_handle = NULL;
3340 				dma_p->dma_handle = NULL;
3341 				return (NXGE_ERROR);
3342 			}
3343 
3344 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3345 			    NULL,
3346 			    kaddrp, dma_p->alength, xfer_flags,
3347 			    DDI_DMA_DONTWAIT,
3348 			    0, &dma_p->dma_cookie, &dma_p->ncookies);
3349 			if (ddi_status != DDI_DMA_MAPPED) {
3350 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3351 				    "nxge_dma_mem_alloc: ddi_dma_addr_bind "
3352 				    "failed "
3353 				    "(staus 0x%x ncookies %d.)", ddi_status,
3354 				    dma_p->ncookies));
3355 				if (dma_p->acc_handle) {
3356 					ddi_dma_mem_free(&dma_p->acc_handle);
3357 					dma_p->acc_handle = NULL;
3358 				}
3359 				ddi_dma_free_handle(&dma_p->dma_handle);
3360 				dma_p->dma_handle = NULL;
3361 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3362 			}
3363 
3364 			if (dma_p->ncookies != 1) {
3365 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3366 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3367 				    "> 1 cookie"
3368 				    "(staus 0x%x ncookies %d.)", ddi_status,
3369 				    dma_p->ncookies));
3370 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3371 				if (dma_p->acc_handle) {
3372 					ddi_dma_mem_free(&dma_p->acc_handle);
3373 					dma_p->acc_handle = NULL;
3374 				}
3375 				ddi_dma_free_handle(&dma_p->dma_handle);
3376 				dma_p->dma_handle = NULL;
3377 				dma_p->acc_handle = NULL;
3378 				return (NXGE_ERROR);
3379 			}
3380 			break;
3381 
3382 		case B_TRUE:
3383 			kaddrp = KMEM_ALLOC(length, KM_NOSLEEP);
3384 			if (kaddrp == NULL) {
3385 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3386 				    "nxge_dma_mem_alloc:ddi_dma_mem_alloc "
3387 				    "kmem alloc failed"));
3388 				return (NXGE_ERROR);
3389 			}
3390 
3391 			dma_p->alength = length;
3392 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3393 			    NULL, kaddrp, dma_p->alength, xfer_flags,
3394 			    DDI_DMA_DONTWAIT, 0,
3395 			    &dma_p->dma_cookie, &dma_p->ncookies);
3396 			if (ddi_status != DDI_DMA_MAPPED) {
3397 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3398 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind: "
3399 				    "(kmem_alloc) failed kaddrp $%p length %d "
3400 				    "(staus 0x%x (%d) ncookies %d.)",
3401 				    kaddrp, length,
3402 				    ddi_status, ddi_status, dma_p->ncookies));
3403 				KMEM_FREE(kaddrp, length);
3404 				dma_p->acc_handle = NULL;
3405 				ddi_dma_free_handle(&dma_p->dma_handle);
3406 				dma_p->dma_handle = NULL;
3407 				dma_p->kaddrp = NULL;
3408 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3409 			}
3410 
3411 			if (dma_p->ncookies != 1) {
3412 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3413 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3414 				    "(kmem_alloc) > 1 cookie"
3415 				    "(staus 0x%x ncookies %d.)", ddi_status,
3416 				    dma_p->ncookies));
3417 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3418 				KMEM_FREE(kaddrp, length);
3419 				ddi_dma_free_handle(&dma_p->dma_handle);
3420 				dma_p->dma_handle = NULL;
3421 				dma_p->acc_handle = NULL;
3422 				dma_p->kaddrp = NULL;
3423 				return (NXGE_ERROR);
3424 			}
3425 
3426 			dma_p->kaddrp = kaddrp;
3427 
3428 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
3429 			    "nxge_dma_mem_alloc: kmem_alloc dmap $%p "
3430 			    "kaddr $%p alength %d",
3431 			    dma_p,
3432 			    kaddrp,
3433 			    dma_p->alength));
3434 			break;
3435 		}
3436 		break;
3437 
3438 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3439 	case B_TRUE:
3440 		kaddrp = (caddr_t)contig_mem_alloc(length);
3441 		if (kaddrp == NULL) {
3442 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3443 			    "nxge_dma_mem_alloc:contig_mem_alloc failed."));
3444 			ddi_dma_free_handle(&dma_p->dma_handle);
3445 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3446 		}
3447 
3448 		dma_p->alength = length;
3449 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
3450 		    kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
3451 		    &dma_p->dma_cookie, &dma_p->ncookies);
3452 		if (ddi_status != DDI_DMA_MAPPED) {
3453 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3454 			    "nxge_dma_mem_alloc:di_dma_addr_bind failed "
3455 			    "(status 0x%x ncookies %d.)", ddi_status,
3456 			    dma_p->ncookies));
3457 
3458 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3459 			    "==> nxge_dma_mem_alloc: (not mapped)"
3460 			    "length %lu (0x%x) "
3461 			    "free contig kaddrp $%p "
3462 			    "va_to_pa $%p",
3463 			    length, length,
3464 			    kaddrp,
3465 			    va_to_pa(kaddrp)));
3466 
3467 
3468 			contig_mem_free((void *)kaddrp, length);
3469 			ddi_dma_free_handle(&dma_p->dma_handle);
3470 
3471 			dma_p->dma_handle = NULL;
3472 			dma_p->acc_handle = NULL;
3473 			dma_p->alength = NULL;
3474 			dma_p->kaddrp = NULL;
3475 
3476 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3477 		}
3478 
3479 		if (dma_p->ncookies != 1 ||
3480 		    (dma_p->dma_cookie.dmac_laddress == NULL)) {
3481 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3482 			    "nxge_dma_mem_alloc:di_dma_addr_bind > 1 "
3483 			    "cookie or "
3484 			    "dmac_laddress is NULL $%p size %d "
3485 			    " (status 0x%x ncookies %d.)",
3486 			    ddi_status,
3487 			    dma_p->dma_cookie.dmac_laddress,
3488 			    dma_p->dma_cookie.dmac_size,
3489 			    dma_p->ncookies));
3490 
3491 			contig_mem_free((void *)kaddrp, length);
3492 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3493 			ddi_dma_free_handle(&dma_p->dma_handle);
3494 
3495 			dma_p->alength = 0;
3496 			dma_p->dma_handle = NULL;
3497 			dma_p->acc_handle = NULL;
3498 			dma_p->kaddrp = NULL;
3499 
3500 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3501 		}
3502 		break;
3503 
3504 #else
3505 	case B_TRUE:
3506 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3507 		    "nxge_dma_mem_alloc: invalid alloc type for !sun4v"));
3508 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3509 #endif
3510 	}
3511 
3512 	dma_p->kaddrp = kaddrp;
3513 	dma_p->last_kaddrp = (unsigned char *)kaddrp +
3514 	    dma_p->alength - RXBUF_64B_ALIGNED;
3515 #if defined(__i386)
3516 	dma_p->ioaddr_pp =
3517 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress;
3518 #else
3519 	dma_p->ioaddr_pp = (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3520 #endif
3521 	dma_p->last_ioaddr_pp =
3522 #if defined(__i386)
3523 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress +
3524 #else
3525 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress +
3526 #endif
3527 	    dma_p->alength - RXBUF_64B_ALIGNED;
3528 
3529 	NPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
3530 
3531 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3532 	dma_p->orig_ioaddr_pp =
3533 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3534 	dma_p->orig_alength = length;
3535 	dma_p->orig_kaddrp = kaddrp;
3536 	dma_p->orig_vatopa = (uint64_t)va_to_pa(kaddrp);
3537 #endif
3538 
3539 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_dma_mem_alloc: "
3540 	    "dma buffer allocated: dma_p $%p "
3541 	    "return dmac_ladress from cookie $%p cookie dmac_size %d "
3542 	    "dma_p->ioaddr_p $%p "
3543 	    "dma_p->orig_ioaddr_p $%p "
3544 	    "orig_vatopa $%p "
3545 	    "alength %d (0x%x) "
3546 	    "kaddrp $%p "
3547 	    "length %d (0x%x)",
3548 	    dma_p,
3549 	    dma_p->dma_cookie.dmac_laddress, dma_p->dma_cookie.dmac_size,
3550 	    dma_p->ioaddr_pp,
3551 	    dma_p->orig_ioaddr_pp,
3552 	    dma_p->orig_vatopa,
3553 	    dma_p->alength, dma_p->alength,
3554 	    kaddrp,
3555 	    length, length));
3556 
3557 	return (NXGE_OK);
3558 }
3559 
3560 static void
3561 nxge_dma_mem_free(p_nxge_dma_common_t dma_p)
3562 {
3563 	if (dma_p->dma_handle != NULL) {
3564 		if (dma_p->ncookies) {
3565 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3566 			dma_p->ncookies = 0;
3567 		}
3568 		ddi_dma_free_handle(&dma_p->dma_handle);
3569 		dma_p->dma_handle = NULL;
3570 	}
3571 
3572 	if (dma_p->acc_handle != NULL) {
3573 		ddi_dma_mem_free(&dma_p->acc_handle);
3574 		dma_p->acc_handle = NULL;
3575 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3576 	}
3577 
3578 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3579 	if (dma_p->contig_alloc_type &&
3580 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3581 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_mem_free: "
3582 		    "kaddrp $%p (orig_kaddrp $%p)"
3583 		    "mem type %d ",
3584 		    "orig_alength %d "
3585 		    "alength 0x%x (%d)",
3586 		    dma_p->kaddrp,
3587 		    dma_p->orig_kaddrp,
3588 		    dma_p->contig_alloc_type,
3589 		    dma_p->orig_alength,
3590 		    dma_p->alength, dma_p->alength));
3591 
3592 		contig_mem_free(dma_p->orig_kaddrp, dma_p->orig_alength);
3593 		dma_p->orig_alength = NULL;
3594 		dma_p->orig_kaddrp = NULL;
3595 		dma_p->contig_alloc_type = B_FALSE;
3596 	}
3597 #endif
3598 	dma_p->kaddrp = NULL;
3599 	dma_p->alength = NULL;
3600 }
3601 
3602 static void
3603 nxge_dma_free_rx_data_buf(p_nxge_dma_common_t dma_p)
3604 {
3605 	uint64_t kaddr;
3606 	uint32_t buf_size;
3607 
3608 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "==> nxge_dma_free_rx_data_buf"));
3609 
3610 	if (dma_p->dma_handle != NULL) {
3611 		if (dma_p->ncookies) {
3612 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3613 			dma_p->ncookies = 0;
3614 		}
3615 		ddi_dma_free_handle(&dma_p->dma_handle);
3616 		dma_p->dma_handle = NULL;
3617 	}
3618 
3619 	if (dma_p->acc_handle != NULL) {
3620 		ddi_dma_mem_free(&dma_p->acc_handle);
3621 		dma_p->acc_handle = NULL;
3622 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3623 	}
3624 
3625 	NXGE_DEBUG_MSG((NULL, DMA_CTL,
3626 	    "==> nxge_dma_free_rx_data_buf: dmap $%p buf_alloc_state %d",
3627 	    dma_p,
3628 	    dma_p->buf_alloc_state));
3629 
3630 	if (!(dma_p->buf_alloc_state & BUF_ALLOCATED_WAIT_FREE)) {
3631 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3632 		    "<== nxge_dma_free_rx_data_buf: "
3633 		    "outstanding data buffers"));
3634 		return;
3635 	}
3636 
3637 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3638 	if (dma_p->contig_alloc_type &&
3639 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3640 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_free_rx_data_buf: "
3641 		    "kaddrp $%p (orig_kaddrp $%p)"
3642 		    "mem type %d ",
3643 		    "orig_alength %d "
3644 		    "alength 0x%x (%d)",
3645 		    dma_p->kaddrp,
3646 		    dma_p->orig_kaddrp,
3647 		    dma_p->contig_alloc_type,
3648 		    dma_p->orig_alength,
3649 		    dma_p->alength, dma_p->alength));
3650 
3651 		kaddr = (uint64_t)dma_p->orig_kaddrp;
3652 		buf_size = dma_p->orig_alength;
3653 		nxge_free_buf(CONTIG_MEM_ALLOC, kaddr, buf_size);
3654 		dma_p->orig_alength = NULL;
3655 		dma_p->orig_kaddrp = NULL;
3656 		dma_p->contig_alloc_type = B_FALSE;
3657 		dma_p->kaddrp = NULL;
3658 		dma_p->alength = NULL;
3659 		return;
3660 	}
3661 #endif
3662 
3663 	if (dma_p->kmem_alloc_type) {
3664 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3665 		    "nxge_dma_free_rx_data_buf: free kmem "
3666 		    "kaddrp $%p (orig_kaddrp $%p)"
3667 		    "alloc type %d "
3668 		    "orig_alength %d "
3669 		    "alength 0x%x (%d)",
3670 		    dma_p->kaddrp,
3671 		    dma_p->orig_kaddrp,
3672 		    dma_p->kmem_alloc_type,
3673 		    dma_p->orig_alength,
3674 		    dma_p->alength, dma_p->alength));
3675 #if defined(__i386)
3676 		kaddr = (uint64_t)(uint32_t)dma_p->kaddrp;
3677 #else
3678 		kaddr = (uint64_t)dma_p->kaddrp;
3679 #endif
3680 		buf_size = dma_p->orig_alength;
3681 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3682 		    "nxge_dma_free_rx_data_buf: free dmap $%p "
3683 		    "kaddr $%p buf_size %d",
3684 		    dma_p,
3685 		    kaddr, buf_size));
3686 		nxge_free_buf(KMEM_ALLOC, kaddr, buf_size);
3687 		dma_p->alength = 0;
3688 		dma_p->orig_alength = 0;
3689 		dma_p->kaddrp = NULL;
3690 		dma_p->kmem_alloc_type = B_FALSE;
3691 	}
3692 
3693 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_dma_free_rx_data_buf"));
3694 }
3695 
3696 /*
3697  *	nxge_m_start() -- start transmitting and receiving.
3698  *
3699  *	This function is called by the MAC layer when the first
3700  *	stream is open to prepare the hardware ready for sending
3701  *	and transmitting packets.
3702  */
3703 static int
3704 nxge_m_start(void *arg)
3705 {
3706 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3707 
3708 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_start"));
3709 
3710 	if (nxge_peu_reset_enable && !nxgep->nxge_link_poll_timerid) {
3711 		(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
3712 	}
3713 
3714 	MUTEX_ENTER(nxgep->genlock);
3715 	if (nxge_init(nxgep) != NXGE_OK) {
3716 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3717 		    "<== nxge_m_start: initialization failed"));
3718 		MUTEX_EXIT(nxgep->genlock);
3719 		return (EIO);
3720 	}
3721 
3722 	if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
3723 		goto nxge_m_start_exit;
3724 	/*
3725 	 * Start timer to check the system error and tx hangs
3726 	 */
3727 	if (!isLDOMguest(nxgep))
3728 		nxgep->nxge_timerid = nxge_start_timer(nxgep,
3729 		    nxge_check_hw_state, NXGE_CHECK_TIMER);
3730 #if	defined(sun4v)
3731 	else
3732 		nxge_hio_start_timer(nxgep);
3733 #endif
3734 
3735 	nxgep->link_notify = B_TRUE;
3736 
3737 	nxgep->nxge_mac_state = NXGE_MAC_STARTED;
3738 
3739 nxge_m_start_exit:
3740 	MUTEX_EXIT(nxgep->genlock);
3741 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_start"));
3742 	return (0);
3743 }
3744 
3745 /*
3746  *	nxge_m_stop(): stop transmitting and receiving.
3747  */
3748 static void
3749 nxge_m_stop(void *arg)
3750 {
3751 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3752 
3753 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_stop"));
3754 
3755 	MUTEX_ENTER(nxgep->genlock);
3756 	nxgep->nxge_mac_state = NXGE_MAC_STOPPING;
3757 
3758 	if (nxgep->nxge_timerid) {
3759 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
3760 		nxgep->nxge_timerid = 0;
3761 	}
3762 
3763 	nxge_uninit(nxgep);
3764 
3765 	nxgep->nxge_mac_state = NXGE_MAC_STOPPED;
3766 
3767 	MUTEX_EXIT(nxgep->genlock);
3768 
3769 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_stop"));
3770 }
3771 
3772 static int
3773 nxge_m_unicst(void *arg, const uint8_t *macaddr)
3774 {
3775 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3776 	struct 		ether_addr addrp;
3777 
3778 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "==> nxge_m_unicst"));
3779 
3780 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
3781 	if (nxge_set_mac_addr(nxgep, &addrp)) {
3782 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3783 		    "<== nxge_m_unicst: set unitcast failed"));
3784 		return (EINVAL);
3785 	}
3786 
3787 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_unicst"));
3788 
3789 	return (0);
3790 }
3791 
3792 static int
3793 nxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3794 {
3795 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3796 	struct 		ether_addr addrp;
3797 
3798 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3799 	    "==> nxge_m_multicst: add %d", add));
3800 
3801 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
3802 	if (add) {
3803 		if (nxge_add_mcast_addr(nxgep, &addrp)) {
3804 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3805 			    "<== nxge_m_multicst: add multicast failed"));
3806 			return (EINVAL);
3807 		}
3808 	} else {
3809 		if (nxge_del_mcast_addr(nxgep, &addrp)) {
3810 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3811 			    "<== nxge_m_multicst: del multicast failed"));
3812 			return (EINVAL);
3813 		}
3814 	}
3815 
3816 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_multicst"));
3817 
3818 	return (0);
3819 }
3820 
3821 static int
3822 nxge_m_promisc(void *arg, boolean_t on)
3823 {
3824 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3825 
3826 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3827 	    "==> nxge_m_promisc: on %d", on));
3828 
3829 	if (nxge_set_promisc(nxgep, on)) {
3830 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3831 		    "<== nxge_m_promisc: set promisc failed"));
3832 		return (EINVAL);
3833 	}
3834 
3835 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3836 	    "<== nxge_m_promisc: on %d", on));
3837 
3838 	return (0);
3839 }
3840 
3841 static void
3842 nxge_m_ioctl(void *arg,  queue_t *wq, mblk_t *mp)
3843 {
3844 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3845 	struct 		iocblk *iocp;
3846 	boolean_t 	need_privilege;
3847 	int 		err;
3848 	int 		cmd;
3849 
3850 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl"));
3851 
3852 	iocp = (struct iocblk *)mp->b_rptr;
3853 	iocp->ioc_error = 0;
3854 	need_privilege = B_TRUE;
3855 	cmd = iocp->ioc_cmd;
3856 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl: cmd 0x%08x", cmd));
3857 	switch (cmd) {
3858 	default:
3859 		miocnak(wq, mp, 0, EINVAL);
3860 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl: invalid"));
3861 		return;
3862 
3863 	case LB_GET_INFO_SIZE:
3864 	case LB_GET_INFO:
3865 	case LB_GET_MODE:
3866 		need_privilege = B_FALSE;
3867 		break;
3868 	case LB_SET_MODE:
3869 		break;
3870 
3871 
3872 	case NXGE_GET_MII:
3873 	case NXGE_PUT_MII:
3874 	case NXGE_GET64:
3875 	case NXGE_PUT64:
3876 	case NXGE_GET_TX_RING_SZ:
3877 	case NXGE_GET_TX_DESC:
3878 	case NXGE_TX_SIDE_RESET:
3879 	case NXGE_RX_SIDE_RESET:
3880 	case NXGE_GLOBAL_RESET:
3881 	case NXGE_RESET_MAC:
3882 	case NXGE_TX_REGS_DUMP:
3883 	case NXGE_RX_REGS_DUMP:
3884 	case NXGE_INT_REGS_DUMP:
3885 	case NXGE_VIR_INT_REGS_DUMP:
3886 	case NXGE_PUT_TCAM:
3887 	case NXGE_GET_TCAM:
3888 	case NXGE_RTRACE:
3889 	case NXGE_RDUMP:
3890 
3891 		need_privilege = B_FALSE;
3892 		break;
3893 	case NXGE_INJECT_ERR:
3894 		cmn_err(CE_NOTE, "!nxge_m_ioctl: Inject error\n");
3895 		nxge_err_inject(nxgep, wq, mp);
3896 		break;
3897 	}
3898 
3899 	if (need_privilege) {
3900 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
3901 		if (err != 0) {
3902 			miocnak(wq, mp, 0, err);
3903 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3904 			    "<== nxge_m_ioctl: no priv"));
3905 			return;
3906 		}
3907 	}
3908 
3909 	switch (cmd) {
3910 
3911 	case LB_GET_MODE:
3912 	case LB_SET_MODE:
3913 	case LB_GET_INFO_SIZE:
3914 	case LB_GET_INFO:
3915 		nxge_loopback_ioctl(nxgep, wq, mp, iocp);
3916 		break;
3917 
3918 	case NXGE_GET_MII:
3919 	case NXGE_PUT_MII:
3920 	case NXGE_PUT_TCAM:
3921 	case NXGE_GET_TCAM:
3922 	case NXGE_GET64:
3923 	case NXGE_PUT64:
3924 	case NXGE_GET_TX_RING_SZ:
3925 	case NXGE_GET_TX_DESC:
3926 	case NXGE_TX_SIDE_RESET:
3927 	case NXGE_RX_SIDE_RESET:
3928 	case NXGE_GLOBAL_RESET:
3929 	case NXGE_RESET_MAC:
3930 	case NXGE_TX_REGS_DUMP:
3931 	case NXGE_RX_REGS_DUMP:
3932 	case NXGE_INT_REGS_DUMP:
3933 	case NXGE_VIR_INT_REGS_DUMP:
3934 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3935 		    "==> nxge_m_ioctl: cmd 0x%x", cmd));
3936 		nxge_hw_ioctl(nxgep, wq, mp, iocp);
3937 		break;
3938 	}
3939 
3940 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl"));
3941 }
3942 
3943 extern void nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count);
3944 
3945 static void
3946 nxge_m_resources(void *arg)
3947 {
3948 	p_nxge_t		nxgep = arg;
3949 	mac_rx_fifo_t 		mrf;
3950 
3951 	nxge_grp_set_t		*set = &nxgep->rx_set;
3952 	uint8_t			rdc;
3953 
3954 	rx_rcr_ring_t		*ring;
3955 
3956 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_m_resources"));
3957 
3958 	MUTEX_ENTER(nxgep->genlock);
3959 
3960 	if (set->owned.map == 0) {
3961 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
3962 		    "nxge_m_resources: no receive resources"));
3963 		goto nxge_m_resources_exit;
3964 	}
3965 
3966 	/*
3967 	 * CR 6492541 Check to see if the drv_state has been initialized,
3968 	 * if not * call nxge_init().
3969 	 */
3970 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3971 		if (nxge_init(nxgep) != NXGE_OK)
3972 			goto nxge_m_resources_exit;
3973 	}
3974 
3975 	mrf.mrf_type = MAC_RX_FIFO;
3976 	mrf.mrf_blank = nxge_rx_hw_blank;
3977 	mrf.mrf_arg = (void *)nxgep;
3978 
3979 	mrf.mrf_normal_blank_time = 128;
3980 	mrf.mrf_normal_pkt_count = 8;
3981 
3982 	/*
3983 	 * Export our receive resources to the MAC layer.
3984 	 */
3985 	for (rdc = 0; rdc < NXGE_MAX_RDCS; rdc++) {
3986 		if ((1 << rdc) & set->owned.map) {
3987 			ring = nxgep->rx_rcr_rings->rcr_rings[rdc];
3988 			if (ring == 0) {
3989 				/*
3990 				 * This is a big deal only if we are
3991 				 * *not* in an LDOMs environment.
3992 				 */
3993 				if (nxgep->environs == SOLARIS_DOMAIN) {
3994 					cmn_err(CE_NOTE,
3995 					    "==> nxge_m_resources: "
3996 					    "ring %d == 0", rdc);
3997 				}
3998 				continue;
3999 			}
4000 			ring->rcr_mac_handle = mac_resource_add
4001 			    (nxgep->mach, (mac_resource_t *)&mrf);
4002 
4003 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4004 			    "==> nxge_m_resources: RDC %d RCR %p MAC handle %p",
4005 			    rdc, ring, ring->rcr_mac_handle));
4006 		}
4007 	}
4008 
4009 nxge_m_resources_exit:
4010 	MUTEX_EXIT(nxgep->genlock);
4011 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_m_resources"));
4012 }
4013 
4014 void
4015 nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot, boolean_t factory)
4016 {
4017 	p_nxge_mmac_stats_t mmac_stats;
4018 	int i;
4019 	nxge_mmac_t *mmac_info;
4020 
4021 	mmac_info = &nxgep->nxge_mmac_info;
4022 
4023 	mmac_stats = &nxgep->statsp->mmac_stats;
4024 	mmac_stats->mmac_max_cnt = mmac_info->num_mmac;
4025 	mmac_stats->mmac_avail_cnt = mmac_info->naddrfree;
4026 
4027 	for (i = 0; i < ETHERADDRL; i++) {
4028 		if (factory) {
4029 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
4030 			    = mmac_info->factory_mac_pool[slot][
4031 			    (ETHERADDRL-1) - i];
4032 		} else {
4033 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
4034 			    = mmac_info->mac_pool[slot].addr[
4035 			    (ETHERADDRL - 1) - i];
4036 		}
4037 	}
4038 }
4039 
4040 /*
4041  * nxge_altmac_set() -- Set an alternate MAC address
4042  */
4043 static int
4044 nxge_altmac_set(p_nxge_t nxgep, uint8_t *maddr, mac_addr_slot_t slot)
4045 {
4046 	uint8_t addrn;
4047 	uint8_t portn;
4048 	npi_mac_addr_t altmac;
4049 	hostinfo_t mac_rdc;
4050 	p_nxge_class_pt_cfg_t clscfgp;
4051 
4052 	altmac.w2 = ((uint16_t)maddr[0] << 8) | ((uint16_t)maddr[1] & 0x0ff);
4053 	altmac.w1 = ((uint16_t)maddr[2] << 8) | ((uint16_t)maddr[3] & 0x0ff);
4054 	altmac.w0 = ((uint16_t)maddr[4] << 8) | ((uint16_t)maddr[5] & 0x0ff);
4055 
4056 	portn = nxgep->mac.portnum;
4057 	addrn = (uint8_t)slot - 1;
4058 
4059 	if (npi_mac_altaddr_entry(nxgep->npi_handle, OP_SET, portn,
4060 	    addrn, &altmac) != NPI_SUCCESS)
4061 		return (EIO);
4062 
4063 	/*
4064 	 * Set the rdc table number for the host info entry
4065 	 * for this mac address slot.
4066 	 */
4067 	clscfgp = (p_nxge_class_pt_cfg_t)&nxgep->class_config;
4068 	mac_rdc.value = 0;
4069 	mac_rdc.bits.w0.rdc_tbl_num = clscfgp->mac_host_info[addrn].rdctbl;
4070 	mac_rdc.bits.w0.mac_pref = clscfgp->mac_host_info[addrn].mpr_npr;
4071 
4072 	if (npi_mac_hostinfo_entry(nxgep->npi_handle, OP_SET,
4073 	    nxgep->function_num, addrn, &mac_rdc) != NPI_SUCCESS) {
4074 		return (EIO);
4075 	}
4076 
4077 	/*
4078 	 * Enable comparison with the alternate MAC address.
4079 	 * While the first alternate addr is enabled by bit 1 of register
4080 	 * BMAC_ALTAD_CMPEN, it is enabled by bit 0 of register
4081 	 * XMAC_ADDR_CMPEN, so slot needs to be converted to addrn
4082 	 * accordingly before calling npi_mac_altaddr_entry.
4083 	 */
4084 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
4085 		addrn = (uint8_t)slot - 1;
4086 	else
4087 		addrn = (uint8_t)slot;
4088 
4089 	if (npi_mac_altaddr_enable(nxgep->npi_handle, portn, addrn)
4090 	    != NPI_SUCCESS)
4091 		return (EIO);
4092 
4093 	return (0);
4094 }
4095 
4096 /*
4097  * nxeg_m_mmac_add() - find an unused address slot, set the address
4098  * value to the one specified, enable the port to start filtering on
4099  * the new MAC address.  Returns 0 on success.
4100  */
4101 int
4102 nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr)
4103 {
4104 	p_nxge_t nxgep = arg;
4105 	mac_addr_slot_t slot;
4106 	nxge_mmac_t *mmac_info;
4107 	int err;
4108 	nxge_status_t status;
4109 
4110 	mutex_enter(nxgep->genlock);
4111 
4112 	/*
4113 	 * Make sure that nxge is initialized, if _start() has
4114 	 * not been called.
4115 	 */
4116 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4117 		status = nxge_init(nxgep);
4118 		if (status != NXGE_OK) {
4119 			mutex_exit(nxgep->genlock);
4120 			return (ENXIO);
4121 		}
4122 	}
4123 
4124 	mmac_info = &nxgep->nxge_mmac_info;
4125 	if (mmac_info->naddrfree == 0) {
4126 		mutex_exit(nxgep->genlock);
4127 		return (ENOSPC);
4128 	}
4129 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4130 	    maddr->mma_addrlen)) {
4131 		mutex_exit(nxgep->genlock);
4132 		return (EINVAL);
4133 	}
4134 	/*
4135 	 * 	Search for the first available slot. Because naddrfree
4136 	 * is not zero, we are guaranteed to find one.
4137 	 * 	Slot 0 is for unique (primary) MAC. The first alternate
4138 	 * MAC slot is slot 1.
4139 	 *	Each of the first two ports of Neptune has 16 alternate
4140 	 * MAC slots but only the first 7 (of 15) slots have assigned factory
4141 	 * MAC addresses. We first search among the slots without bundled
4142 	 * factory MACs. If we fail to find one in that range, then we
4143 	 * search the slots with bundled factory MACs.  A factory MAC
4144 	 * will be wasted while the slot is used with a user MAC address.
4145 	 * But the slot could be used by factory MAC again after calling
4146 	 * nxge_m_mmac_remove and nxge_m_mmac_reserve.
4147 	 */
4148 	if (mmac_info->num_factory_mmac < mmac_info->num_mmac) {
4149 		for (slot = mmac_info->num_factory_mmac + 1;
4150 		    slot <= mmac_info->num_mmac; slot++) {
4151 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4152 				break;
4153 		}
4154 		if (slot > mmac_info->num_mmac) {
4155 			for (slot = 1; slot <= mmac_info->num_factory_mmac;
4156 			    slot++) {
4157 				if (!(mmac_info->mac_pool[slot].flags
4158 				    & MMAC_SLOT_USED))
4159 					break;
4160 			}
4161 		}
4162 	} else {
4163 		for (slot = 1; slot <= mmac_info->num_mmac; slot++) {
4164 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4165 				break;
4166 		}
4167 	}
4168 	ASSERT(slot <= mmac_info->num_mmac);
4169 	if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot)) != 0) {
4170 		mutex_exit(nxgep->genlock);
4171 		return (err);
4172 	}
4173 	bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr, ETHERADDRL);
4174 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED;
4175 	mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4176 	mmac_info->naddrfree--;
4177 	nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4178 
4179 	maddr->mma_slot = slot;
4180 
4181 	mutex_exit(nxgep->genlock);
4182 	return (0);
4183 }
4184 
4185 /*
4186  * This function reserves an unused slot and programs the slot and the HW
4187  * with a factory mac address.
4188  */
4189 static int
4190 nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr)
4191 {
4192 	p_nxge_t nxgep = arg;
4193 	mac_addr_slot_t slot;
4194 	nxge_mmac_t *mmac_info;
4195 	int err;
4196 	nxge_status_t status;
4197 
4198 	mutex_enter(nxgep->genlock);
4199 
4200 	/*
4201 	 * Make sure that nxge is initialized, if _start() has
4202 	 * not been called.
4203 	 */
4204 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4205 		status = nxge_init(nxgep);
4206 		if (status != NXGE_OK) {
4207 			mutex_exit(nxgep->genlock);
4208 			return (ENXIO);
4209 		}
4210 	}
4211 
4212 	mmac_info = &nxgep->nxge_mmac_info;
4213 	if (mmac_info->naddrfree == 0) {
4214 		mutex_exit(nxgep->genlock);
4215 		return (ENOSPC);
4216 	}
4217 
4218 	slot = maddr->mma_slot;
4219 	if (slot == -1) {  /* -1: Take the first available slot */
4220 		for (slot = 1; slot <= mmac_info->num_factory_mmac; slot++) {
4221 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4222 				break;
4223 		}
4224 		if (slot > mmac_info->num_factory_mmac) {
4225 			mutex_exit(nxgep->genlock);
4226 			return (ENOSPC);
4227 		}
4228 	}
4229 	if (slot < 1 || slot > mmac_info->num_factory_mmac) {
4230 		/*
4231 		 * Do not support factory MAC at a slot greater than
4232 		 * num_factory_mmac even when there are available factory
4233 		 * MAC addresses because the alternate MACs are bundled with
4234 		 * slot[1] through slot[num_factory_mmac]
4235 		 */
4236 		mutex_exit(nxgep->genlock);
4237 		return (EINVAL);
4238 	}
4239 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4240 		mutex_exit(nxgep->genlock);
4241 		return (EBUSY);
4242 	}
4243 	/* Verify the address to be reserved */
4244 	if (!mac_unicst_verify(nxgep->mach,
4245 	    mmac_info->factory_mac_pool[slot], ETHERADDRL)) {
4246 		mutex_exit(nxgep->genlock);
4247 		return (EINVAL);
4248 	}
4249 	if (err = nxge_altmac_set(nxgep,
4250 	    mmac_info->factory_mac_pool[slot], slot)) {
4251 		mutex_exit(nxgep->genlock);
4252 		return (err);
4253 	}
4254 	bcopy(mmac_info->factory_mac_pool[slot], maddr->mma_addr, ETHERADDRL);
4255 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4256 	mmac_info->naddrfree--;
4257 
4258 	nxge_mmac_kstat_update(nxgep, slot, B_TRUE);
4259 	mutex_exit(nxgep->genlock);
4260 
4261 	/* Pass info back to the caller */
4262 	maddr->mma_slot = slot;
4263 	maddr->mma_addrlen = ETHERADDRL;
4264 	maddr->mma_flags = MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4265 
4266 	return (0);
4267 }
4268 
4269 /*
4270  * Remove the specified mac address and update the HW not to filter
4271  * the mac address anymore.
4272  */
4273 int
4274 nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot)
4275 {
4276 	p_nxge_t nxgep = arg;
4277 	nxge_mmac_t *mmac_info;
4278 	uint8_t addrn;
4279 	uint8_t portn;
4280 	int err = 0;
4281 	nxge_status_t status;
4282 
4283 	mutex_enter(nxgep->genlock);
4284 
4285 	/*
4286 	 * Make sure that nxge is initialized, if _start() has
4287 	 * not been called.
4288 	 */
4289 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4290 		status = nxge_init(nxgep);
4291 		if (status != NXGE_OK) {
4292 			mutex_exit(nxgep->genlock);
4293 			return (ENXIO);
4294 		}
4295 	}
4296 
4297 	mmac_info = &nxgep->nxge_mmac_info;
4298 	if (slot < 1 || slot > mmac_info->num_mmac) {
4299 		mutex_exit(nxgep->genlock);
4300 		return (EINVAL);
4301 	}
4302 
4303 	portn = nxgep->mac.portnum;
4304 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
4305 		addrn = (uint8_t)slot - 1;
4306 	else
4307 		addrn = (uint8_t)slot;
4308 
4309 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4310 		if (npi_mac_altaddr_disable(nxgep->npi_handle, portn, addrn)
4311 		    == NPI_SUCCESS) {
4312 			mmac_info->naddrfree++;
4313 			mmac_info->mac_pool[slot].flags &= ~MMAC_SLOT_USED;
4314 			/*
4315 			 * Regardless if the MAC we just stopped filtering
4316 			 * is a user addr or a facory addr, we must set
4317 			 * the MMAC_VENDOR_ADDR flag if this slot has an
4318 			 * associated factory MAC to indicate that a factory
4319 			 * MAC is available.
4320 			 */
4321 			if (slot <= mmac_info->num_factory_mmac) {
4322 				mmac_info->mac_pool[slot].flags
4323 				    |= MMAC_VENDOR_ADDR;
4324 			}
4325 			/*
4326 			 * Clear mac_pool[slot].addr so that kstat shows 0
4327 			 * alternate MAC address if the slot is not used.
4328 			 * (But nxge_m_mmac_get returns the factory MAC even
4329 			 * when the slot is not used!)
4330 			 */
4331 			bzero(mmac_info->mac_pool[slot].addr, ETHERADDRL);
4332 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4333 		} else {
4334 			err = EIO;
4335 		}
4336 	} else {
4337 		err = EINVAL;
4338 	}
4339 
4340 	mutex_exit(nxgep->genlock);
4341 	return (err);
4342 }
4343 
4344 /*
4345  * Modify a mac address added by nxge_m_mmac_add or nxge_m_mmac_reserve().
4346  */
4347 static int
4348 nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr)
4349 {
4350 	p_nxge_t nxgep = arg;
4351 	mac_addr_slot_t slot;
4352 	nxge_mmac_t *mmac_info;
4353 	int err = 0;
4354 	nxge_status_t status;
4355 
4356 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4357 	    maddr->mma_addrlen))
4358 		return (EINVAL);
4359 
4360 	slot = maddr->mma_slot;
4361 
4362 	mutex_enter(nxgep->genlock);
4363 
4364 	/*
4365 	 * Make sure that nxge is initialized, if _start() has
4366 	 * not been called.
4367 	 */
4368 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4369 		status = nxge_init(nxgep);
4370 		if (status != NXGE_OK) {
4371 			mutex_exit(nxgep->genlock);
4372 			return (ENXIO);
4373 		}
4374 	}
4375 
4376 	mmac_info = &nxgep->nxge_mmac_info;
4377 	if (slot < 1 || slot > mmac_info->num_mmac) {
4378 		mutex_exit(nxgep->genlock);
4379 		return (EINVAL);
4380 	}
4381 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4382 		if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot))
4383 		    != 0) {
4384 			bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr,
4385 			    ETHERADDRL);
4386 			/*
4387 			 * Assume that the MAC passed down from the caller
4388 			 * is not a factory MAC address (The user should
4389 			 * call mmac_remove followed by mmac_reserve if
4390 			 * he wants to use the factory MAC for this slot).
4391 			 */
4392 			mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4393 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4394 		}
4395 	} else {
4396 		err = EINVAL;
4397 	}
4398 	mutex_exit(nxgep->genlock);
4399 	return (err);
4400 }
4401 
4402 /*
4403  * nxge_m_mmac_get() - Get the MAC address and other information
4404  * related to the slot.  mma_flags should be set to 0 in the call.
4405  * Note: although kstat shows MAC address as zero when a slot is
4406  * not used, Crossbow expects nxge_m_mmac_get to copy factory MAC
4407  * to the caller as long as the slot is not using a user MAC address.
4408  * The following table shows the rules,
4409  *
4410  *				   USED    VENDOR    mma_addr
4411  * ------------------------------------------------------------
4412  * (1) Slot uses a user MAC:        yes      no     user MAC
4413  * (2) Slot uses a factory MAC:     yes      yes    factory MAC
4414  * (3) Slot is not used but is
4415  *     factory MAC capable:         no       yes    factory MAC
4416  * (4) Slot is not used and is
4417  *     not factory MAC capable:     no       no        0
4418  * ------------------------------------------------------------
4419  */
4420 static int
4421 nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr)
4422 {
4423 	nxge_t *nxgep = arg;
4424 	mac_addr_slot_t slot;
4425 	nxge_mmac_t *mmac_info;
4426 	nxge_status_t status;
4427 
4428 	slot = maddr->mma_slot;
4429 
4430 	mutex_enter(nxgep->genlock);
4431 
4432 	/*
4433 	 * Make sure that nxge is initialized, if _start() has
4434 	 * not been called.
4435 	 */
4436 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4437 		status = nxge_init(nxgep);
4438 		if (status != NXGE_OK) {
4439 			mutex_exit(nxgep->genlock);
4440 			return (ENXIO);
4441 		}
4442 	}
4443 
4444 	mmac_info = &nxgep->nxge_mmac_info;
4445 
4446 	if (slot < 1 || slot > mmac_info->num_mmac) {
4447 		mutex_exit(nxgep->genlock);
4448 		return (EINVAL);
4449 	}
4450 	maddr->mma_flags = 0;
4451 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED)
4452 		maddr->mma_flags |= MMAC_SLOT_USED;
4453 
4454 	if (mmac_info->mac_pool[slot].flags & MMAC_VENDOR_ADDR) {
4455 		maddr->mma_flags |= MMAC_VENDOR_ADDR;
4456 		bcopy(mmac_info->factory_mac_pool[slot],
4457 		    maddr->mma_addr, ETHERADDRL);
4458 		maddr->mma_addrlen = ETHERADDRL;
4459 	} else {
4460 		if (maddr->mma_flags & MMAC_SLOT_USED) {
4461 			bcopy(mmac_info->mac_pool[slot].addr,
4462 			    maddr->mma_addr, ETHERADDRL);
4463 			maddr->mma_addrlen = ETHERADDRL;
4464 		} else {
4465 			bzero(maddr->mma_addr, ETHERADDRL);
4466 			maddr->mma_addrlen = 0;
4467 		}
4468 	}
4469 	mutex_exit(nxgep->genlock);
4470 	return (0);
4471 }
4472 
4473 static boolean_t
4474 nxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
4475 {
4476 	nxge_t *nxgep = arg;
4477 	uint32_t *txflags = cap_data;
4478 	multiaddress_capab_t *mmacp = cap_data;
4479 
4480 	switch (cap) {
4481 	case MAC_CAPAB_HCKSUM:
4482 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4483 		    "==> nxge_m_getcapab: checksum %d", nxge_cksum_offload));
4484 		if (nxge_cksum_offload <= 1) {
4485 			*txflags = HCKSUM_INET_PARTIAL;
4486 		}
4487 		break;
4488 
4489 	case MAC_CAPAB_POLL:
4490 		/*
4491 		 * There's nothing for us to fill in, simply returning
4492 		 * B_TRUE stating that we support polling is sufficient.
4493 		 */
4494 		break;
4495 
4496 	case MAC_CAPAB_MULTIADDRESS:
4497 		mmacp = (multiaddress_capab_t *)cap_data;
4498 		mutex_enter(nxgep->genlock);
4499 
4500 		mmacp->maddr_naddr = nxgep->nxge_mmac_info.num_mmac;
4501 		mmacp->maddr_naddrfree = nxgep->nxge_mmac_info.naddrfree;
4502 		mmacp->maddr_flag = 0; /* 0 is required by PSARC2006/265 */
4503 		/*
4504 		 * maddr_handle is driver's private data, passed back to
4505 		 * entry point functions as arg.
4506 		 */
4507 		mmacp->maddr_handle	= nxgep;
4508 		mmacp->maddr_add	= nxge_m_mmac_add;
4509 		mmacp->maddr_remove	= nxge_m_mmac_remove;
4510 		mmacp->maddr_modify	= nxge_m_mmac_modify;
4511 		mmacp->maddr_get	= nxge_m_mmac_get;
4512 		mmacp->maddr_reserve	= nxge_m_mmac_reserve;
4513 
4514 		mutex_exit(nxgep->genlock);
4515 		break;
4516 
4517 	case MAC_CAPAB_LSO: {
4518 		mac_capab_lso_t *cap_lso = cap_data;
4519 
4520 		if (nxgep->soft_lso_enable) {
4521 			if (nxge_cksum_offload <= 1) {
4522 				cap_lso->lso_flags = LSO_TX_BASIC_TCP_IPV4;
4523 				if (nxge_lso_max > NXGE_LSO_MAXLEN) {
4524 					nxge_lso_max = NXGE_LSO_MAXLEN;
4525 				}
4526 				cap_lso->lso_basic_tcp_ipv4.lso_max =
4527 				    nxge_lso_max;
4528 			}
4529 			break;
4530 		} else {
4531 			return (B_FALSE);
4532 		}
4533 	}
4534 
4535 #if defined(sun4v)
4536 	case MAC_CAPAB_RINGS: {
4537 		mac_capab_rings_t *mrings = (mac_capab_rings_t *)cap_data;
4538 
4539 		/*
4540 		 * Only the service domain driver responds to
4541 		 * this capability request.
4542 		 */
4543 		if (isLDOMservice(nxgep)) {
4544 			mrings->mr_handle = (void *)nxgep;
4545 
4546 			/*
4547 			 * No dynamic allocation of groups and
4548 			 * rings at this time.  Shares dictate the
4549 			 * configuration.
4550 			 */
4551 			mrings->mr_gadd_ring = NULL;
4552 			mrings->mr_grem_ring = NULL;
4553 			mrings->mr_rget = NULL;
4554 			mrings->mr_gget = nxge_hio_group_get;
4555 
4556 			if (mrings->mr_type == MAC_RING_TYPE_RX) {
4557 				mrings->mr_rnum = 8; /* XXX */
4558 				mrings->mr_gnum = 6; /* XXX */
4559 			} else {
4560 				mrings->mr_rnum = 8; /* XXX */
4561 				mrings->mr_gnum = 0; /* XXX */
4562 			}
4563 		} else
4564 			return (B_FALSE);
4565 		break;
4566 	}
4567 
4568 	case MAC_CAPAB_SHARES: {
4569 		mac_capab_share_t *mshares = (mac_capab_share_t *)cap_data;
4570 
4571 		/*
4572 		 * Only the service domain driver responds to
4573 		 * this capability request.
4574 		 */
4575 		if (isLDOMservice(nxgep)) {
4576 			mshares->ms_snum = 3;
4577 			mshares->ms_handle = (void *)nxgep;
4578 			mshares->ms_salloc = nxge_hio_share_alloc;
4579 			mshares->ms_sfree = nxge_hio_share_free;
4580 			mshares->ms_sadd = NULL;
4581 			mshares->ms_sremove = NULL;
4582 			mshares->ms_squery = nxge_hio_share_query;
4583 		} else
4584 			return (B_FALSE);
4585 		break;
4586 	}
4587 #endif
4588 	default:
4589 		return (B_FALSE);
4590 	}
4591 	return (B_TRUE);
4592 }
4593 
4594 static boolean_t
4595 nxge_param_locked(mac_prop_id_t pr_num)
4596 {
4597 	/*
4598 	 * All adv_* parameters are locked (read-only) while
4599 	 * the device is in any sort of loopback mode ...
4600 	 */
4601 	switch (pr_num) {
4602 		case MAC_PROP_ADV_1000FDX_CAP:
4603 		case MAC_PROP_EN_1000FDX_CAP:
4604 		case MAC_PROP_ADV_1000HDX_CAP:
4605 		case MAC_PROP_EN_1000HDX_CAP:
4606 		case MAC_PROP_ADV_100FDX_CAP:
4607 		case MAC_PROP_EN_100FDX_CAP:
4608 		case MAC_PROP_ADV_100HDX_CAP:
4609 		case MAC_PROP_EN_100HDX_CAP:
4610 		case MAC_PROP_ADV_10FDX_CAP:
4611 		case MAC_PROP_EN_10FDX_CAP:
4612 		case MAC_PROP_ADV_10HDX_CAP:
4613 		case MAC_PROP_EN_10HDX_CAP:
4614 		case MAC_PROP_AUTONEG:
4615 		case MAC_PROP_FLOWCTRL:
4616 			return (B_TRUE);
4617 	}
4618 	return (B_FALSE);
4619 }
4620 
4621 /*
4622  * callback functions for set/get of properties
4623  */
4624 static int
4625 nxge_m_setprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4626     uint_t pr_valsize, const void *pr_val)
4627 {
4628 	nxge_t		*nxgep = barg;
4629 	p_nxge_param_t	param_arr;
4630 	p_nxge_stats_t	statsp;
4631 	int		err = 0;
4632 	uint8_t		val;
4633 	uint32_t	cur_mtu, new_mtu, old_framesize;
4634 	link_flowctrl_t	fl;
4635 
4636 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_setprop"));
4637 	param_arr = nxgep->param_arr;
4638 	statsp = nxgep->statsp;
4639 	mutex_enter(nxgep->genlock);
4640 	if (statsp->port_stats.lb_mode != nxge_lb_normal &&
4641 	    nxge_param_locked(pr_num)) {
4642 		/*
4643 		 * All adv_* parameters are locked (read-only)
4644 		 * while the device is in any sort of loopback mode.
4645 		 */
4646 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4647 		    "==> nxge_m_setprop: loopback mode: read only"));
4648 		mutex_exit(nxgep->genlock);
4649 		return (EBUSY);
4650 	}
4651 
4652 	val = *(uint8_t *)pr_val;
4653 	switch (pr_num) {
4654 		case MAC_PROP_EN_1000FDX_CAP:
4655 			nxgep->param_en_1000fdx = val;
4656 			param_arr[param_anar_1000fdx].value = val;
4657 
4658 			goto reprogram;
4659 
4660 		case MAC_PROP_EN_100FDX_CAP:
4661 			nxgep->param_en_100fdx = val;
4662 			param_arr[param_anar_100fdx].value = val;
4663 
4664 			goto reprogram;
4665 
4666 		case MAC_PROP_EN_10FDX_CAP:
4667 			nxgep->param_en_10fdx = val;
4668 			param_arr[param_anar_10fdx].value = val;
4669 
4670 			goto reprogram;
4671 
4672 		case MAC_PROP_EN_1000HDX_CAP:
4673 		case MAC_PROP_EN_100HDX_CAP:
4674 		case MAC_PROP_EN_10HDX_CAP:
4675 		case MAC_PROP_ADV_1000FDX_CAP:
4676 		case MAC_PROP_ADV_1000HDX_CAP:
4677 		case MAC_PROP_ADV_100FDX_CAP:
4678 		case MAC_PROP_ADV_100HDX_CAP:
4679 		case MAC_PROP_ADV_10FDX_CAP:
4680 		case MAC_PROP_ADV_10HDX_CAP:
4681 		case MAC_PROP_STATUS:
4682 		case MAC_PROP_SPEED:
4683 		case MAC_PROP_DUPLEX:
4684 			err = EINVAL; /* cannot set read-only properties */
4685 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4686 			    "==> nxge_m_setprop:  read only property %d",
4687 			    pr_num));
4688 			break;
4689 
4690 		case MAC_PROP_AUTONEG:
4691 			param_arr[param_autoneg].value = val;
4692 
4693 			goto reprogram;
4694 
4695 		case MAC_PROP_MTU:
4696 			if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
4697 				err = EBUSY;
4698 				break;
4699 			}
4700 
4701 			cur_mtu = nxgep->mac.default_mtu;
4702 			bcopy(pr_val, &new_mtu, sizeof (new_mtu));
4703 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4704 			    "==> nxge_m_setprop: set MTU: %d is_jumbo %d",
4705 			    new_mtu, nxgep->mac.is_jumbo));
4706 
4707 			if (new_mtu == cur_mtu) {
4708 				err = 0;
4709 				break;
4710 			}
4711 			if (new_mtu < NXGE_DEFAULT_MTU ||
4712 			    new_mtu > NXGE_MAXIMUM_MTU) {
4713 				err = EINVAL;
4714 				break;
4715 			}
4716 
4717 			if ((new_mtu > NXGE_DEFAULT_MTU) &&
4718 			    !nxgep->mac.is_jumbo) {
4719 				err = EINVAL;
4720 				break;
4721 			}
4722 
4723 			old_framesize = (uint32_t)nxgep->mac.maxframesize;
4724 			nxgep->mac.maxframesize = (uint16_t)
4725 			    (new_mtu + NXGE_EHEADER_VLAN_CRC);
4726 			if (nxge_mac_set_framesize(nxgep)) {
4727 				nxgep->mac.maxframesize =
4728 				    (uint16_t)old_framesize;
4729 				err = EINVAL;
4730 				break;
4731 			}
4732 
4733 			err = mac_maxsdu_update(nxgep->mach, new_mtu);
4734 			if (err) {
4735 				nxgep->mac.maxframesize =
4736 				    (uint16_t)old_framesize;
4737 				err = EINVAL;
4738 				break;
4739 			}
4740 
4741 			nxgep->mac.default_mtu = new_mtu;
4742 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4743 			    "==> nxge_m_setprop: set MTU: %d maxframe %d",
4744 			    new_mtu, nxgep->mac.maxframesize));
4745 			break;
4746 
4747 		case MAC_PROP_FLOWCTRL:
4748 			bcopy(pr_val, &fl, sizeof (fl));
4749 			switch (fl) {
4750 			default:
4751 				err = EINVAL;
4752 				break;
4753 
4754 			case LINK_FLOWCTRL_NONE:
4755 				param_arr[param_anar_pause].value = 0;
4756 				break;
4757 
4758 			case LINK_FLOWCTRL_RX:
4759 				param_arr[param_anar_pause].value = 1;
4760 				break;
4761 
4762 			case LINK_FLOWCTRL_TX:
4763 			case LINK_FLOWCTRL_BI:
4764 				err = EINVAL;
4765 				break;
4766 			}
4767 
4768 reprogram:
4769 			if (err == 0) {
4770 				if (!nxge_param_link_update(nxgep)) {
4771 					err = EINVAL;
4772 				}
4773 			}
4774 			break;
4775 		case MAC_PROP_PRIVATE:
4776 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4777 			    "==> nxge_m_setprop: private property"));
4778 			err = nxge_set_priv_prop(nxgep, pr_name, pr_valsize,
4779 			    pr_val);
4780 			break;
4781 
4782 		default:
4783 			err = ENOTSUP;
4784 			break;
4785 	}
4786 
4787 	mutex_exit(nxgep->genlock);
4788 
4789 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4790 	    "<== nxge_m_setprop (return %d)", err));
4791 	return (err);
4792 }
4793 
4794 static int
4795 nxge_m_getprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4796     uint_t pr_flags, uint_t pr_valsize, void *pr_val)
4797 {
4798 	nxge_t 		*nxgep = barg;
4799 	p_nxge_param_t	param_arr = nxgep->param_arr;
4800 	p_nxge_stats_t	statsp = nxgep->statsp;
4801 	int		err = 0;
4802 	link_flowctrl_t	fl;
4803 	uint64_t	tmp = 0;
4804 	link_state_t	ls;
4805 	boolean_t	is_default = (pr_flags & MAC_PROP_DEFAULT);
4806 
4807 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4808 	    "==> nxge_m_getprop: pr_num %d", pr_num));
4809 
4810 	if (pr_valsize == 0)
4811 		return (EINVAL);
4812 
4813 	if ((is_default) && (pr_num != MAC_PROP_PRIVATE)) {
4814 		err = nxge_get_def_val(nxgep, pr_num, pr_valsize, pr_val);
4815 		return (err);
4816 	}
4817 
4818 	bzero(pr_val, pr_valsize);
4819 	switch (pr_num) {
4820 		case MAC_PROP_DUPLEX:
4821 			*(uint8_t *)pr_val = statsp->mac_stats.link_duplex;
4822 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4823 			    "==> nxge_m_getprop: duplex mode %d",
4824 			    *(uint8_t *)pr_val));
4825 			break;
4826 
4827 		case MAC_PROP_SPEED:
4828 			if (pr_valsize < sizeof (uint64_t))
4829 				return (EINVAL);
4830 			tmp = statsp->mac_stats.link_speed * 1000000ull;
4831 			bcopy(&tmp, pr_val, sizeof (tmp));
4832 			break;
4833 
4834 		case MAC_PROP_STATUS:
4835 			if (pr_valsize < sizeof (link_state_t))
4836 				return (EINVAL);
4837 			if (!statsp->mac_stats.link_up)
4838 				ls = LINK_STATE_DOWN;
4839 			else
4840 				ls = LINK_STATE_UP;
4841 			bcopy(&ls, pr_val, sizeof (ls));
4842 			break;
4843 
4844 		case MAC_PROP_AUTONEG:
4845 			*(uint8_t *)pr_val =
4846 			    param_arr[param_autoneg].value;
4847 			break;
4848 
4849 		case MAC_PROP_FLOWCTRL:
4850 			if (pr_valsize < sizeof (link_flowctrl_t))
4851 				return (EINVAL);
4852 
4853 			fl = LINK_FLOWCTRL_NONE;
4854 			if (param_arr[param_anar_pause].value) {
4855 				fl = LINK_FLOWCTRL_RX;
4856 			}
4857 			bcopy(&fl, pr_val, sizeof (fl));
4858 			break;
4859 
4860 		case MAC_PROP_ADV_1000FDX_CAP:
4861 			*(uint8_t *)pr_val =
4862 			    param_arr[param_anar_1000fdx].value;
4863 			break;
4864 
4865 		case MAC_PROP_EN_1000FDX_CAP:
4866 			*(uint8_t *)pr_val = nxgep->param_en_1000fdx;
4867 			break;
4868 
4869 		case MAC_PROP_ADV_100FDX_CAP:
4870 			*(uint8_t *)pr_val =
4871 			    param_arr[param_anar_100fdx].value;
4872 			break;
4873 
4874 		case MAC_PROP_EN_100FDX_CAP:
4875 			*(uint8_t *)pr_val = nxgep->param_en_100fdx;
4876 			break;
4877 
4878 		case MAC_PROP_ADV_10FDX_CAP:
4879 			*(uint8_t *)pr_val =
4880 			    param_arr[param_anar_10fdx].value;
4881 			break;
4882 
4883 		case MAC_PROP_EN_10FDX_CAP:
4884 			*(uint8_t *)pr_val = nxgep->param_en_10fdx;
4885 			break;
4886 
4887 		case MAC_PROP_EN_1000HDX_CAP:
4888 		case MAC_PROP_EN_100HDX_CAP:
4889 		case MAC_PROP_EN_10HDX_CAP:
4890 		case MAC_PROP_ADV_1000HDX_CAP:
4891 		case MAC_PROP_ADV_100HDX_CAP:
4892 		case MAC_PROP_ADV_10HDX_CAP:
4893 			err = ENOTSUP;
4894 			break;
4895 
4896 		case MAC_PROP_PRIVATE:
4897 			err = nxge_get_priv_prop(nxgep, pr_name, pr_flags,
4898 			    pr_valsize, pr_val);
4899 			break;
4900 		default:
4901 			err = EINVAL;
4902 			break;
4903 	}
4904 
4905 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_getprop"));
4906 
4907 	return (err);
4908 }
4909 
4910 /* ARGSUSED */
4911 static int
4912 nxge_set_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_valsize,
4913     const void *pr_val)
4914 {
4915 	p_nxge_param_t	param_arr = nxgep->param_arr;
4916 	int		err = 0;
4917 	long		result;
4918 
4919 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4920 	    "==> nxge_set_priv_prop: name %s", pr_name));
4921 
4922 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
4923 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4924 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4925 		    "<== nxge_set_priv_prop: name %s "
4926 		    "pr_val %s result %d "
4927 		    "param %d is_jumbo %d",
4928 		    pr_name, pr_val, result,
4929 		    param_arr[param_accept_jumbo].value,
4930 		    nxgep->mac.is_jumbo));
4931 
4932 		if (result > 1 || result < 0) {
4933 			err = EINVAL;
4934 		} else {
4935 			if (nxgep->mac.is_jumbo ==
4936 			    (uint32_t)result) {
4937 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4938 				    "no change (%d %d)",
4939 				    nxgep->mac.is_jumbo,
4940 				    result));
4941 				return (0);
4942 			}
4943 		}
4944 
4945 		param_arr[param_accept_jumbo].value = result;
4946 		nxgep->mac.is_jumbo = B_FALSE;
4947 		if (result) {
4948 			nxgep->mac.is_jumbo = B_TRUE;
4949 		}
4950 
4951 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4952 		    "<== nxge_set_priv_prop: name %s (value %d) is_jumbo %d",
4953 		    pr_name, result, nxgep->mac.is_jumbo));
4954 
4955 		return (err);
4956 	}
4957 
4958 	/* Blanking */
4959 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
4960 		err = nxge_param_rx_intr_time(nxgep, NULL, NULL,
4961 		    (char *)pr_val,
4962 		    (caddr_t)&param_arr[param_rxdma_intr_time]);
4963 		if (err) {
4964 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4965 			    "<== nxge_set_priv_prop: "
4966 			    "unable to set (%s)", pr_name));
4967 			err = EINVAL;
4968 		} else {
4969 			err = 0;
4970 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4971 			    "<== nxge_set_priv_prop: "
4972 			    "set (%s)", pr_name));
4973 		}
4974 
4975 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4976 		    "<== nxge_set_priv_prop: name %s (value %d)",
4977 		    pr_name, result));
4978 
4979 		return (err);
4980 	}
4981 
4982 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
4983 		err = nxge_param_rx_intr_pkts(nxgep, NULL, NULL,
4984 		    (char *)pr_val,
4985 		    (caddr_t)&param_arr[param_rxdma_intr_pkts]);
4986 		if (err) {
4987 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4988 			    "<== nxge_set_priv_prop: "
4989 			    "unable to set (%s)", pr_name));
4990 			err = EINVAL;
4991 		} else {
4992 			err = 0;
4993 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4994 			    "<== nxge_set_priv_prop: "
4995 			    "set (%s)", pr_name));
4996 		}
4997 
4998 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4999 		    "<== nxge_set_priv_prop: name %s (value %d)",
5000 		    pr_name, result));
5001 
5002 		return (err);
5003 	}
5004 
5005 	/* Classification */
5006 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
5007 		if (pr_val == NULL) {
5008 			err = EINVAL;
5009 			return (err);
5010 		}
5011 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5012 
5013 		err = nxge_param_set_ip_opt(nxgep, NULL,
5014 		    NULL, (char *)pr_val,
5015 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
5016 
5017 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5018 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5019 		    pr_name, result));
5020 
5021 		return (err);
5022 	}
5023 
5024 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
5025 		if (pr_val == NULL) {
5026 			err = EINVAL;
5027 			return (err);
5028 		}
5029 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5030 
5031 		err = nxge_param_set_ip_opt(nxgep, NULL,
5032 		    NULL, (char *)pr_val,
5033 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
5034 
5035 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5036 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5037 		    pr_name, result));
5038 
5039 		return (err);
5040 	}
5041 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
5042 		if (pr_val == NULL) {
5043 			err = EINVAL;
5044 			return (err);
5045 		}
5046 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5047 
5048 		err = nxge_param_set_ip_opt(nxgep, NULL,
5049 		    NULL, (char *)pr_val,
5050 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
5051 
5052 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5053 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5054 		    pr_name, result));
5055 
5056 		return (err);
5057 	}
5058 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
5059 		if (pr_val == NULL) {
5060 			err = EINVAL;
5061 			return (err);
5062 		}
5063 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5064 
5065 		err = nxge_param_set_ip_opt(nxgep, NULL,
5066 		    NULL, (char *)pr_val,
5067 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
5068 
5069 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5070 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5071 		    pr_name, result));
5072 
5073 		return (err);
5074 	}
5075 
5076 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
5077 		if (pr_val == NULL) {
5078 			err = EINVAL;
5079 			return (err);
5080 		}
5081 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5082 
5083 		err = nxge_param_set_ip_opt(nxgep, NULL,
5084 		    NULL, (char *)pr_val,
5085 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
5086 
5087 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5088 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5089 		    pr_name, result));
5090 
5091 		return (err);
5092 	}
5093 
5094 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
5095 		if (pr_val == NULL) {
5096 			err = EINVAL;
5097 			return (err);
5098 		}
5099 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5100 
5101 		err = nxge_param_set_ip_opt(nxgep, NULL,
5102 		    NULL, (char *)pr_val,
5103 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5104 
5105 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5106 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5107 		    pr_name, result));
5108 
5109 		return (err);
5110 	}
5111 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5112 		if (pr_val == NULL) {
5113 			err = EINVAL;
5114 			return (err);
5115 		}
5116 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5117 
5118 		err = nxge_param_set_ip_opt(nxgep, NULL,
5119 		    NULL, (char *)pr_val,
5120 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5121 
5122 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5123 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5124 		    pr_name, result));
5125 
5126 		return (err);
5127 	}
5128 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5129 		if (pr_val == NULL) {
5130 			err = EINVAL;
5131 			return (err);
5132 		}
5133 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5134 
5135 		err = nxge_param_set_ip_opt(nxgep, NULL,
5136 		    NULL, (char *)pr_val,
5137 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5138 
5139 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5140 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5141 		    pr_name, result));
5142 
5143 		return (err);
5144 	}
5145 
5146 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5147 		if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
5148 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5149 			    "==> nxge_set_priv_prop: name %s (busy)", pr_name));
5150 			err = EBUSY;
5151 			return (err);
5152 		}
5153 		if (pr_val == NULL) {
5154 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5155 			    "==> nxge_set_priv_prop: name %s (null)", pr_name));
5156 			err = EINVAL;
5157 			return (err);
5158 		}
5159 
5160 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5161 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5162 		    "<== nxge_set_priv_prop: name %s "
5163 		    "(lso %d pr_val %s value %d)",
5164 		    pr_name, nxgep->soft_lso_enable, pr_val, result));
5165 
5166 		if (result > 1 || result < 0) {
5167 			err = EINVAL;
5168 		} else {
5169 			if (nxgep->soft_lso_enable == (uint32_t)result) {
5170 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5171 				    "no change (%d %d)",
5172 				    nxgep->soft_lso_enable, result));
5173 				return (0);
5174 			}
5175 		}
5176 
5177 		nxgep->soft_lso_enable = (int)result;
5178 
5179 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5180 		    "<== nxge_set_priv_prop: name %s (value %d)",
5181 		    pr_name, result));
5182 
5183 		return (err);
5184 	}
5185 	/*
5186 	 * Commands like "ndd -set /dev/nxge0 adv_10gfdx_cap 1" cause the
5187 	 * following code to be executed.
5188 	 */
5189 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5190 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5191 		    (caddr_t)&param_arr[param_anar_10gfdx]);
5192 		return (err);
5193 	}
5194 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5195 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5196 		    (caddr_t)&param_arr[param_anar_pause]);
5197 		return (err);
5198 	}
5199 
5200 	return (EINVAL);
5201 }
5202 
5203 static int
5204 nxge_get_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_flags,
5205     uint_t pr_valsize, void *pr_val)
5206 {
5207 	p_nxge_param_t	param_arr = nxgep->param_arr;
5208 	char		valstr[MAXNAMELEN];
5209 	int		err = EINVAL;
5210 	uint_t		strsize;
5211 	boolean_t	is_default = (pr_flags & MAC_PROP_DEFAULT);
5212 
5213 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5214 	    "==> nxge_get_priv_prop: property %s", pr_name));
5215 
5216 	/* function number */
5217 	if (strcmp(pr_name, "_function_number") == 0) {
5218 		if (is_default)
5219 			return (ENOTSUP);
5220 		(void) snprintf(valstr, sizeof (valstr), "%d",
5221 		    nxgep->function_num);
5222 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5223 		    "==> nxge_get_priv_prop: name %s "
5224 		    "(value %d valstr %s)",
5225 		    pr_name, nxgep->function_num, valstr));
5226 
5227 		err = 0;
5228 		goto done;
5229 	}
5230 
5231 	/* Neptune firmware version */
5232 	if (strcmp(pr_name, "_fw_version") == 0) {
5233 		if (is_default)
5234 			return (ENOTSUP);
5235 		(void) snprintf(valstr, sizeof (valstr), "%s",
5236 		    nxgep->vpd_info.ver);
5237 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5238 		    "==> nxge_get_priv_prop: name %s "
5239 		    "(value %d valstr %s)",
5240 		    pr_name, nxgep->vpd_info.ver, valstr));
5241 
5242 		err = 0;
5243 		goto done;
5244 	}
5245 
5246 	/* port PHY mode */
5247 	if (strcmp(pr_name, "_port_mode") == 0) {
5248 		if (is_default)
5249 			return (ENOTSUP);
5250 		switch (nxgep->mac.portmode) {
5251 		case PORT_1G_COPPER:
5252 			(void) snprintf(valstr, sizeof (valstr), "1G copper %s",
5253 			    nxgep->hot_swappable_phy ?
5254 			    "[Hot Swappable]" : "");
5255 			break;
5256 		case PORT_1G_FIBER:
5257 			(void) snprintf(valstr, sizeof (valstr), "1G fiber %s",
5258 			    nxgep->hot_swappable_phy ?
5259 			    "[hot swappable]" : "");
5260 			break;
5261 		case PORT_10G_COPPER:
5262 			(void) snprintf(valstr, sizeof (valstr),
5263 			    "10G copper %s",
5264 			    nxgep->hot_swappable_phy ?
5265 			    "[hot swappable]" : "");
5266 			break;
5267 		case PORT_10G_FIBER:
5268 			(void) snprintf(valstr, sizeof (valstr), "10G fiber %s",
5269 			    nxgep->hot_swappable_phy ?
5270 			    "[hot swappable]" : "");
5271 			break;
5272 		case PORT_10G_SERDES:
5273 			(void) snprintf(valstr, sizeof (valstr),
5274 			    "10G serdes %s", nxgep->hot_swappable_phy ?
5275 			    "[hot swappable]" : "");
5276 			break;
5277 		case PORT_1G_SERDES:
5278 			(void) snprintf(valstr, sizeof (valstr), "1G serdes %s",
5279 			    nxgep->hot_swappable_phy ?
5280 			    "[hot swappable]" : "");
5281 			break;
5282 		case PORT_1G_TN1010:
5283 			(void) snprintf(valstr, sizeof (valstr),
5284 			    "1G TN1010 copper %s", nxgep->hot_swappable_phy ?
5285 			    "[hot swappable]" : "");
5286 			break;
5287 		case PORT_10G_TN1010:
5288 			(void) snprintf(valstr, sizeof (valstr),
5289 			    "10G TN1010 copper %s", nxgep->hot_swappable_phy ?
5290 			    "[hot swappable]" : "");
5291 			break;
5292 		case PORT_1G_RGMII_FIBER:
5293 			(void) snprintf(valstr, sizeof (valstr),
5294 			    "1G rgmii fiber %s", nxgep->hot_swappable_phy ?
5295 			    "[hot swappable]" : "");
5296 			break;
5297 		case PORT_HSP_MODE:
5298 			(void) snprintf(valstr, sizeof (valstr),
5299 			    "phy not present[hot swappable]");
5300 			break;
5301 		default:
5302 			(void) snprintf(valstr, sizeof (valstr), "unknown %s",
5303 			    nxgep->hot_swappable_phy ?
5304 			    "[hot swappable]" : "");
5305 			break;
5306 		}
5307 
5308 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5309 		    "==> nxge_get_priv_prop: name %s (value %s)",
5310 		    pr_name, valstr));
5311 
5312 		err = 0;
5313 		goto done;
5314 	}
5315 
5316 	/* Hot swappable PHY */
5317 	if (strcmp(pr_name, "_hot_swap_phy") == 0) {
5318 		if (is_default)
5319 			return (ENOTSUP);
5320 		(void) snprintf(valstr, sizeof (valstr), "%s",
5321 		    nxgep->hot_swappable_phy ?
5322 		    "yes" : "no");
5323 
5324 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5325 		    "==> nxge_get_priv_prop: name %s "
5326 		    "(value %d valstr %s)",
5327 		    pr_name, nxgep->hot_swappable_phy, valstr));
5328 
5329 		err = 0;
5330 		goto done;
5331 	}
5332 
5333 
5334 	/* accept jumbo */
5335 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
5336 		if (is_default)
5337 			(void) snprintf(valstr, sizeof (valstr),  "%d", 0);
5338 		else
5339 			(void) snprintf(valstr, sizeof (valstr),
5340 			    "%d", nxgep->mac.is_jumbo);
5341 		err = 0;
5342 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5343 		    "==> nxge_get_priv_prop: name %s (value %d (%d, %d))",
5344 		    pr_name,
5345 		    (uint32_t)param_arr[param_accept_jumbo].value,
5346 		    nxgep->mac.is_jumbo,
5347 		    nxge_jumbo_enable));
5348 
5349 		goto done;
5350 	}
5351 
5352 	/* Receive Interrupt Blanking Parameters */
5353 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
5354 		err = 0;
5355 		if (is_default) {
5356 			(void) snprintf(valstr, sizeof (valstr),
5357 			    "%d", RXDMA_RCR_TO_DEFAULT);
5358 			goto done;
5359 		}
5360 
5361 		(void) snprintf(valstr, sizeof (valstr), "%d",
5362 		    nxgep->intr_timeout);
5363 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5364 		    "==> nxge_get_priv_prop: name %s (value %d)",
5365 		    pr_name,
5366 		    (uint32_t)nxgep->intr_timeout));
5367 		goto done;
5368 	}
5369 
5370 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
5371 		err = 0;
5372 		if (is_default) {
5373 			(void) snprintf(valstr, sizeof (valstr),
5374 			    "%d", RXDMA_RCR_PTHRES_DEFAULT);
5375 			goto done;
5376 		}
5377 		(void) snprintf(valstr, sizeof (valstr), "%d",
5378 		    nxgep->intr_threshold);
5379 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5380 		    "==> nxge_get_priv_prop: name %s (value %d)",
5381 		    pr_name, (uint32_t)nxgep->intr_threshold));
5382 
5383 		goto done;
5384 	}
5385 
5386 	/* Classification and Load Distribution Configuration */
5387 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
5388 		if (is_default) {
5389 			(void) snprintf(valstr, sizeof (valstr), "%x",
5390 			    NXGE_CLASS_FLOW_GEN_SERVER);
5391 			err = 0;
5392 			goto done;
5393 		}
5394 		err = nxge_dld_get_ip_opt(nxgep,
5395 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
5396 
5397 		(void) snprintf(valstr, sizeof (valstr), "%x",
5398 		    (int)param_arr[param_class_opt_ipv4_tcp].value);
5399 
5400 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5401 		    "==> nxge_get_priv_prop: %s", valstr));
5402 		goto done;
5403 	}
5404 
5405 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
5406 		if (is_default) {
5407 			(void) snprintf(valstr, sizeof (valstr), "%x",
5408 			    NXGE_CLASS_FLOW_GEN_SERVER);
5409 			err = 0;
5410 			goto done;
5411 		}
5412 		err = nxge_dld_get_ip_opt(nxgep,
5413 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
5414 
5415 		(void) snprintf(valstr, sizeof (valstr), "%x",
5416 		    (int)param_arr[param_class_opt_ipv4_udp].value);
5417 
5418 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5419 		    "==> nxge_get_priv_prop: %s", valstr));
5420 		goto done;
5421 	}
5422 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
5423 		if (is_default) {
5424 			(void) snprintf(valstr, sizeof (valstr), "%x",
5425 			    NXGE_CLASS_FLOW_GEN_SERVER);
5426 			err = 0;
5427 			goto done;
5428 		}
5429 		err = nxge_dld_get_ip_opt(nxgep,
5430 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
5431 
5432 		(void) snprintf(valstr, sizeof (valstr), "%x",
5433 		    (int)param_arr[param_class_opt_ipv4_ah].value);
5434 
5435 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5436 		    "==> nxge_get_priv_prop: %s", valstr));
5437 		goto done;
5438 	}
5439 
5440 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
5441 		if (is_default) {
5442 			(void) snprintf(valstr, sizeof (valstr), "%x",
5443 			    NXGE_CLASS_FLOW_GEN_SERVER);
5444 			err = 0;
5445 			goto done;
5446 		}
5447 		err = nxge_dld_get_ip_opt(nxgep,
5448 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
5449 
5450 		(void) snprintf(valstr, sizeof (valstr), "%x",
5451 		    (int)param_arr[param_class_opt_ipv4_sctp].value);
5452 
5453 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5454 		    "==> nxge_get_priv_prop: %s", valstr));
5455 		goto done;
5456 	}
5457 
5458 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
5459 		if (is_default) {
5460 			(void) snprintf(valstr, sizeof (valstr), "%x",
5461 			    NXGE_CLASS_FLOW_GEN_SERVER);
5462 			err = 0;
5463 			goto done;
5464 		}
5465 		err = nxge_dld_get_ip_opt(nxgep,
5466 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
5467 
5468 		(void) snprintf(valstr, sizeof (valstr), "%x",
5469 		    (int)param_arr[param_class_opt_ipv6_tcp].value);
5470 
5471 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5472 		    "==> nxge_get_priv_prop: %s", valstr));
5473 		goto done;
5474 	}
5475 
5476 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
5477 		if (is_default) {
5478 			(void) snprintf(valstr, sizeof (valstr), "%x",
5479 			    NXGE_CLASS_FLOW_GEN_SERVER);
5480 			err = 0;
5481 			goto done;
5482 		}
5483 		err = nxge_dld_get_ip_opt(nxgep,
5484 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5485 
5486 		(void) snprintf(valstr, sizeof (valstr), "%x",
5487 		    (int)param_arr[param_class_opt_ipv6_udp].value);
5488 
5489 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5490 		    "==> nxge_get_priv_prop: %s", valstr));
5491 		goto done;
5492 	}
5493 
5494 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5495 		if (is_default) {
5496 			(void) snprintf(valstr, sizeof (valstr), "%x",
5497 			    NXGE_CLASS_FLOW_GEN_SERVER);
5498 			err = 0;
5499 			goto done;
5500 		}
5501 		err = nxge_dld_get_ip_opt(nxgep,
5502 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5503 
5504 		(void) snprintf(valstr, sizeof (valstr), "%x",
5505 		    (int)param_arr[param_class_opt_ipv6_ah].value);
5506 
5507 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5508 		    "==> nxge_get_priv_prop: %s", valstr));
5509 		goto done;
5510 	}
5511 
5512 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5513 		if (is_default) {
5514 			(void) snprintf(valstr, sizeof (valstr), "%x",
5515 			    NXGE_CLASS_FLOW_GEN_SERVER);
5516 			err = 0;
5517 			goto done;
5518 		}
5519 		err = nxge_dld_get_ip_opt(nxgep,
5520 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5521 
5522 		(void) snprintf(valstr, sizeof (valstr), "%x",
5523 		    (int)param_arr[param_class_opt_ipv6_sctp].value);
5524 
5525 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5526 		    "==> nxge_get_priv_prop: %s", valstr));
5527 		goto done;
5528 	}
5529 
5530 	/* Software LSO */
5531 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5532 		if (is_default) {
5533 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5534 			err = 0;
5535 			goto done;
5536 		}
5537 		(void) snprintf(valstr, sizeof (valstr),
5538 		    "%d", nxgep->soft_lso_enable);
5539 		err = 0;
5540 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5541 		    "==> nxge_get_priv_prop: name %s (value %d)",
5542 		    pr_name, nxgep->soft_lso_enable));
5543 
5544 		goto done;
5545 	}
5546 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5547 		err = 0;
5548 		if (is_default ||
5549 		    nxgep->param_arr[param_anar_10gfdx].value != 0) {
5550 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5551 			goto done;
5552 		} else {
5553 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5554 			goto done;
5555 		}
5556 	}
5557 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5558 		err = 0;
5559 		if (is_default ||
5560 		    nxgep->param_arr[param_anar_pause].value != 0) {
5561 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5562 			goto done;
5563 		} else {
5564 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5565 			goto done;
5566 		}
5567 	}
5568 
5569 done:
5570 	if (err == 0) {
5571 		strsize = (uint_t)strlen(valstr);
5572 		if (pr_valsize < strsize) {
5573 			err = ENOBUFS;
5574 		} else {
5575 			(void) strlcpy(pr_val, valstr, pr_valsize);
5576 		}
5577 	}
5578 
5579 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5580 	    "<== nxge_get_priv_prop: return %d", err));
5581 	return (err);
5582 }
5583 
5584 /*
5585  * Module loading and removing entry points.
5586  */
5587 
5588 DDI_DEFINE_STREAM_OPS(nxge_dev_ops, nulldev, nulldev, nxge_attach, nxge_detach,
5589     nodev, NULL, D_MP, NULL, nxge_quiesce);
5590 
5591 #define	NXGE_DESC_VER		"Sun NIU 10Gb Ethernet"
5592 
5593 /*
5594  * Module linkage information for the kernel.
5595  */
5596 static struct modldrv 	nxge_modldrv = {
5597 	&mod_driverops,
5598 	NXGE_DESC_VER,
5599 	&nxge_dev_ops
5600 };
5601 
5602 static struct modlinkage modlinkage = {
5603 	MODREV_1, (void *) &nxge_modldrv, NULL
5604 };
5605 
5606 int
5607 _init(void)
5608 {
5609 	int		status;
5610 
5611 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
5612 	mac_init_ops(&nxge_dev_ops, "nxge");
5613 	status = ddi_soft_state_init(&nxge_list, sizeof (nxge_t), 0);
5614 	if (status != 0) {
5615 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
5616 		    "failed to init device soft state"));
5617 		goto _init_exit;
5618 	}
5619 	status = mod_install(&modlinkage);
5620 	if (status != 0) {
5621 		ddi_soft_state_fini(&nxge_list);
5622 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL, "Mod install failed"));
5623 		goto _init_exit;
5624 	}
5625 
5626 	MUTEX_INIT(&nxge_common_lock, NULL, MUTEX_DRIVER, NULL);
5627 
5628 _init_exit:
5629 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
5630 
5631 	return (status);
5632 }
5633 
5634 int
5635 _fini(void)
5636 {
5637 	int		status;
5638 
5639 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
5640 
5641 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
5642 
5643 	if (nxge_mblks_pending)
5644 		return (EBUSY);
5645 
5646 	status = mod_remove(&modlinkage);
5647 	if (status != DDI_SUCCESS) {
5648 		NXGE_DEBUG_MSG((NULL, MOD_CTL,
5649 		    "Module removal failed 0x%08x",
5650 		    status));
5651 		goto _fini_exit;
5652 	}
5653 
5654 	mac_fini_ops(&nxge_dev_ops);
5655 
5656 	ddi_soft_state_fini(&nxge_list);
5657 
5658 	MUTEX_DESTROY(&nxge_common_lock);
5659 _fini_exit:
5660 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
5661 
5662 	return (status);
5663 }
5664 
5665 int
5666 _info(struct modinfo *modinfop)
5667 {
5668 	int		status;
5669 
5670 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
5671 	status = mod_info(&modlinkage, modinfop);
5672 	NXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
5673 
5674 	return (status);
5675 }
5676 
5677 /*ARGSUSED*/
5678 static nxge_status_t
5679 nxge_add_intrs(p_nxge_t nxgep)
5680 {
5681 
5682 	int		intr_types;
5683 	int		type = 0;
5684 	int		ddi_status = DDI_SUCCESS;
5685 	nxge_status_t	status = NXGE_OK;
5686 
5687 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs"));
5688 
5689 	nxgep->nxge_intr_type.intr_registered = B_FALSE;
5690 	nxgep->nxge_intr_type.intr_enabled = B_FALSE;
5691 	nxgep->nxge_intr_type.msi_intx_cnt = 0;
5692 	nxgep->nxge_intr_type.intr_added = 0;
5693 	nxgep->nxge_intr_type.niu_msi_enable = B_FALSE;
5694 	nxgep->nxge_intr_type.intr_type = 0;
5695 
5696 	if (nxgep->niu_type == N2_NIU) {
5697 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5698 	} else if (nxge_msi_enable) {
5699 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5700 	}
5701 
5702 	/* Get the supported interrupt types */
5703 	if ((ddi_status = ddi_intr_get_supported_types(nxgep->dip, &intr_types))
5704 	    != DDI_SUCCESS) {
5705 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_intrs: "
5706 		    "ddi_intr_get_supported_types failed: status 0x%08x",
5707 		    ddi_status));
5708 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5709 	}
5710 	nxgep->nxge_intr_type.intr_types = intr_types;
5711 
5712 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5713 	    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5714 
5715 	/*
5716 	 * Solaris MSIX is not supported yet. use MSI for now.
5717 	 * nxge_msi_enable (1):
5718 	 *	1 - MSI		2 - MSI-X	others - FIXED
5719 	 */
5720 	switch (nxge_msi_enable) {
5721 	default:
5722 		type = DDI_INTR_TYPE_FIXED;
5723 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5724 		    "use fixed (intx emulation) type %08x",
5725 		    type));
5726 		break;
5727 
5728 	case 2:
5729 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5730 		    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5731 		if (intr_types & DDI_INTR_TYPE_MSIX) {
5732 			type = DDI_INTR_TYPE_MSIX;
5733 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5734 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5735 			    type));
5736 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
5737 			type = DDI_INTR_TYPE_MSI;
5738 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5739 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5740 			    type));
5741 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5742 			type = DDI_INTR_TYPE_FIXED;
5743 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5744 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5745 			    type));
5746 		}
5747 		break;
5748 
5749 	case 1:
5750 		if (intr_types & DDI_INTR_TYPE_MSI) {
5751 			type = DDI_INTR_TYPE_MSI;
5752 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5753 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5754 			    type));
5755 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
5756 			type = DDI_INTR_TYPE_MSIX;
5757 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5758 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5759 			    type));
5760 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5761 			type = DDI_INTR_TYPE_FIXED;
5762 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5763 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5764 			    type));
5765 		}
5766 	}
5767 
5768 	nxgep->nxge_intr_type.intr_type = type;
5769 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
5770 	    type == DDI_INTR_TYPE_FIXED) &&
5771 	    nxgep->nxge_intr_type.niu_msi_enable) {
5772 		if ((status = nxge_add_intrs_adv(nxgep)) != DDI_SUCCESS) {
5773 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5774 			    " nxge_add_intrs: "
5775 			    " nxge_add_intrs_adv failed: status 0x%08x",
5776 			    status));
5777 			return (status);
5778 		} else {
5779 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5780 			    "interrupts registered : type %d", type));
5781 			nxgep->nxge_intr_type.intr_registered = B_TRUE;
5782 
5783 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5784 			    "\nAdded advanced nxge add_intr_adv "
5785 			    "intr type 0x%x\n", type));
5786 
5787 			return (status);
5788 		}
5789 	}
5790 
5791 	if (!nxgep->nxge_intr_type.intr_registered) {
5792 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_add_intrs: "
5793 		    "failed to register interrupts"));
5794 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5795 	}
5796 
5797 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_add_intrs"));
5798 	return (status);
5799 }
5800 
5801 /*ARGSUSED*/
5802 static nxge_status_t
5803 nxge_add_soft_intrs(p_nxge_t nxgep)
5804 {
5805 
5806 	int		ddi_status = DDI_SUCCESS;
5807 	nxge_status_t	status = NXGE_OK;
5808 
5809 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_soft_intrs"));
5810 
5811 	nxgep->resched_id = NULL;
5812 	nxgep->resched_running = B_FALSE;
5813 	ddi_status = ddi_add_softintr(nxgep->dip, DDI_SOFTINT_LOW,
5814 	    &nxgep->resched_id,
5815 	    NULL, NULL, nxge_reschedule, (caddr_t)nxgep);
5816 	if (ddi_status != DDI_SUCCESS) {
5817 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_soft_intrs: "
5818 		    "ddi_add_softintrs failed: status 0x%08x",
5819 		    ddi_status));
5820 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5821 	}
5822 
5823 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_ddi_add_soft_intrs"));
5824 
5825 	return (status);
5826 }
5827 
5828 static nxge_status_t
5829 nxge_add_intrs_adv(p_nxge_t nxgep)
5830 {
5831 	int		intr_type;
5832 	p_nxge_intr_t	intrp;
5833 
5834 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv"));
5835 
5836 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5837 	intr_type = intrp->intr_type;
5838 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv: type 0x%x",
5839 	    intr_type));
5840 
5841 	switch (intr_type) {
5842 	case DDI_INTR_TYPE_MSI: /* 0x2 */
5843 	case DDI_INTR_TYPE_MSIX: /* 0x4 */
5844 		return (nxge_add_intrs_adv_type(nxgep, intr_type));
5845 
5846 	case DDI_INTR_TYPE_FIXED: /* 0x1 */
5847 		return (nxge_add_intrs_adv_type_fix(nxgep, intr_type));
5848 
5849 	default:
5850 		return (NXGE_ERROR);
5851 	}
5852 }
5853 
5854 
5855 /*ARGSUSED*/
5856 static nxge_status_t
5857 nxge_add_intrs_adv_type(p_nxge_t nxgep, uint32_t int_type)
5858 {
5859 	dev_info_t		*dip = nxgep->dip;
5860 	p_nxge_ldg_t		ldgp;
5861 	p_nxge_intr_t		intrp;
5862 	uint_t			*inthandler;
5863 	void			*arg1, *arg2;
5864 	int			behavior;
5865 	int			nintrs, navail, nrequest;
5866 	int			nactual, nrequired;
5867 	int			inum = 0;
5868 	int			x, y;
5869 	int			ddi_status = DDI_SUCCESS;
5870 	nxge_status_t		status = NXGE_OK;
5871 
5872 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type"));
5873 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5874 	intrp->start_inum = 0;
5875 
5876 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
5877 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
5878 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5879 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
5880 		    "nintrs: %d", ddi_status, nintrs));
5881 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5882 	}
5883 
5884 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
5885 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
5886 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5887 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
5888 		    "nintrs: %d", ddi_status, navail));
5889 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5890 	}
5891 
5892 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
5893 	    "ddi_intr_get_navail() returned: nintrs %d, navail %d",
5894 	    nintrs, navail));
5895 
5896 	/* PSARC/2007/453 MSI-X interrupt limit override */
5897 	if (int_type == DDI_INTR_TYPE_MSIX) {
5898 		nrequest = nxge_create_msi_property(nxgep);
5899 		if (nrequest < navail) {
5900 			navail = nrequest;
5901 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5902 			    "nxge_add_intrs_adv_type: nintrs %d "
5903 			    "navail %d (nrequest %d)",
5904 			    nintrs, navail, nrequest));
5905 		}
5906 	}
5907 
5908 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
5909 		/* MSI must be power of 2 */
5910 		if ((navail & 16) == 16) {
5911 			navail = 16;
5912 		} else if ((navail & 8) == 8) {
5913 			navail = 8;
5914 		} else if ((navail & 4) == 4) {
5915 			navail = 4;
5916 		} else if ((navail & 2) == 2) {
5917 			navail = 2;
5918 		} else {
5919 			navail = 1;
5920 		}
5921 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5922 		    "ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
5923 		    "navail %d", nintrs, navail));
5924 	}
5925 
5926 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
5927 	    DDI_INTR_ALLOC_NORMAL);
5928 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
5929 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
5930 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
5931 	    navail, &nactual, behavior);
5932 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
5933 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5934 		    " ddi_intr_alloc() failed: %d",
5935 		    ddi_status));
5936 		kmem_free(intrp->htable, intrp->intr_size);
5937 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5938 	}
5939 
5940 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
5941 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
5942 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5943 		    " ddi_intr_get_pri() failed: %d",
5944 		    ddi_status));
5945 		/* Free already allocated interrupts */
5946 		for (y = 0; y < nactual; y++) {
5947 			(void) ddi_intr_free(intrp->htable[y]);
5948 		}
5949 
5950 		kmem_free(intrp->htable, intrp->intr_size);
5951 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5952 	}
5953 
5954 	nrequired = 0;
5955 	switch (nxgep->niu_type) {
5956 	default:
5957 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
5958 		break;
5959 
5960 	case N2_NIU:
5961 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
5962 		break;
5963 	}
5964 
5965 	if (status != NXGE_OK) {
5966 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5967 		    "nxge_add_intrs_adv_typ:nxge_ldgv_init "
5968 		    "failed: 0x%x", status));
5969 		/* Free already allocated interrupts */
5970 		for (y = 0; y < nactual; y++) {
5971 			(void) ddi_intr_free(intrp->htable[y]);
5972 		}
5973 
5974 		kmem_free(intrp->htable, intrp->intr_size);
5975 		return (status);
5976 	}
5977 
5978 	ldgp = nxgep->ldgvp->ldgp;
5979 	for (x = 0; x < nrequired; x++, ldgp++) {
5980 		ldgp->vector = (uint8_t)x;
5981 		ldgp->intdata = SID_DATA(ldgp->func, x);
5982 		arg1 = ldgp->ldvp;
5983 		arg2 = nxgep;
5984 		if (ldgp->nldvs == 1) {
5985 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
5986 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5987 			    "nxge_add_intrs_adv_type: "
5988 			    "arg1 0x%x arg2 0x%x: "
5989 			    "1-1 int handler (entry %d intdata 0x%x)\n",
5990 			    arg1, arg2,
5991 			    x, ldgp->intdata));
5992 		} else if (ldgp->nldvs > 1) {
5993 			inthandler = (uint_t *)ldgp->sys_intr_handler;
5994 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5995 			    "nxge_add_intrs_adv_type: "
5996 			    "arg1 0x%x arg2 0x%x: "
5997 			    "nldevs %d int handler "
5998 			    "(entry %d intdata 0x%x)\n",
5999 			    arg1, arg2,
6000 			    ldgp->nldvs, x, ldgp->intdata));
6001 		}
6002 
6003 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6004 		    "==> nxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
6005 		    "htable 0x%llx", x, intrp->htable[x]));
6006 
6007 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
6008 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
6009 		    != DDI_SUCCESS) {
6010 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6011 			    "==> nxge_add_intrs_adv_type: failed #%d "
6012 			    "status 0x%x", x, ddi_status));
6013 			for (y = 0; y < intrp->intr_added; y++) {
6014 				(void) ddi_intr_remove_handler(
6015 				    intrp->htable[y]);
6016 			}
6017 			/* Free already allocated intr */
6018 			for (y = 0; y < nactual; y++) {
6019 				(void) ddi_intr_free(intrp->htable[y]);
6020 			}
6021 			kmem_free(intrp->htable, intrp->intr_size);
6022 
6023 			(void) nxge_ldgv_uninit(nxgep);
6024 
6025 			return (NXGE_ERROR | NXGE_DDI_FAILED);
6026 		}
6027 		intrp->intr_added++;
6028 	}
6029 
6030 	intrp->msi_intx_cnt = nactual;
6031 
6032 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6033 	    "Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
6034 	    navail, nactual,
6035 	    intrp->msi_intx_cnt,
6036 	    intrp->intr_added));
6037 
6038 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
6039 
6040 	(void) nxge_intr_ldgv_init(nxgep);
6041 
6042 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type"));
6043 
6044 	return (status);
6045 }
6046 
6047 /*ARGSUSED*/
6048 static nxge_status_t
6049 nxge_add_intrs_adv_type_fix(p_nxge_t nxgep, uint32_t int_type)
6050 {
6051 	dev_info_t		*dip = nxgep->dip;
6052 	p_nxge_ldg_t		ldgp;
6053 	p_nxge_intr_t		intrp;
6054 	uint_t			*inthandler;
6055 	void			*arg1, *arg2;
6056 	int			behavior;
6057 	int			nintrs, navail;
6058 	int			nactual, nrequired;
6059 	int			inum = 0;
6060 	int			x, y;
6061 	int			ddi_status = DDI_SUCCESS;
6062 	nxge_status_t		status = NXGE_OK;
6063 
6064 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type_fix"));
6065 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6066 	intrp->start_inum = 0;
6067 
6068 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
6069 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
6070 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6071 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
6072 		    "nintrs: %d", status, nintrs));
6073 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6074 	}
6075 
6076 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
6077 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
6078 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6079 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
6080 		    "nintrs: %d", ddi_status, navail));
6081 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6082 	}
6083 
6084 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
6085 	    "ddi_intr_get_navail() returned: nintrs %d, naavail %d",
6086 	    nintrs, navail));
6087 
6088 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
6089 	    DDI_INTR_ALLOC_NORMAL);
6090 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
6091 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
6092 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
6093 	    navail, &nactual, behavior);
6094 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
6095 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6096 		    " ddi_intr_alloc() failed: %d",
6097 		    ddi_status));
6098 		kmem_free(intrp->htable, intrp->intr_size);
6099 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6100 	}
6101 
6102 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
6103 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
6104 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6105 		    " ddi_intr_get_pri() failed: %d",
6106 		    ddi_status));
6107 		/* Free already allocated interrupts */
6108 		for (y = 0; y < nactual; y++) {
6109 			(void) ddi_intr_free(intrp->htable[y]);
6110 		}
6111 
6112 		kmem_free(intrp->htable, intrp->intr_size);
6113 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6114 	}
6115 
6116 	nrequired = 0;
6117 	switch (nxgep->niu_type) {
6118 	default:
6119 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
6120 		break;
6121 
6122 	case N2_NIU:
6123 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
6124 		break;
6125 	}
6126 
6127 	if (status != NXGE_OK) {
6128 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6129 		    "nxge_add_intrs_adv_type_fix:nxge_ldgv_init "
6130 		    "failed: 0x%x", status));
6131 		/* Free already allocated interrupts */
6132 		for (y = 0; y < nactual; y++) {
6133 			(void) ddi_intr_free(intrp->htable[y]);
6134 		}
6135 
6136 		kmem_free(intrp->htable, intrp->intr_size);
6137 		return (status);
6138 	}
6139 
6140 	ldgp = nxgep->ldgvp->ldgp;
6141 	for (x = 0; x < nrequired; x++, ldgp++) {
6142 		ldgp->vector = (uint8_t)x;
6143 		if (nxgep->niu_type != N2_NIU) {
6144 			ldgp->intdata = SID_DATA(ldgp->func, x);
6145 		}
6146 
6147 		arg1 = ldgp->ldvp;
6148 		arg2 = nxgep;
6149 		if (ldgp->nldvs == 1) {
6150 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
6151 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6152 			    "nxge_add_intrs_adv_type_fix: "
6153 			    "1-1 int handler(%d) ldg %d ldv %d "
6154 			    "arg1 $%p arg2 $%p\n",
6155 			    x, ldgp->ldg, ldgp->ldvp->ldv,
6156 			    arg1, arg2));
6157 		} else if (ldgp->nldvs > 1) {
6158 			inthandler = (uint_t *)ldgp->sys_intr_handler;
6159 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6160 			    "nxge_add_intrs_adv_type_fix: "
6161 			    "shared ldv %d int handler(%d) ldv %d ldg %d"
6162 			    "arg1 0x%016llx arg2 0x%016llx\n",
6163 			    x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
6164 			    arg1, arg2));
6165 		}
6166 
6167 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
6168 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
6169 		    != DDI_SUCCESS) {
6170 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6171 			    "==> nxge_add_intrs_adv_type_fix: failed #%d "
6172 			    "status 0x%x", x, ddi_status));
6173 			for (y = 0; y < intrp->intr_added; y++) {
6174 				(void) ddi_intr_remove_handler(
6175 				    intrp->htable[y]);
6176 			}
6177 			for (y = 0; y < nactual; y++) {
6178 				(void) ddi_intr_free(intrp->htable[y]);
6179 			}
6180 			/* Free already allocated intr */
6181 			kmem_free(intrp->htable, intrp->intr_size);
6182 
6183 			(void) nxge_ldgv_uninit(nxgep);
6184 
6185 			return (NXGE_ERROR | NXGE_DDI_FAILED);
6186 		}
6187 		intrp->intr_added++;
6188 	}
6189 
6190 	intrp->msi_intx_cnt = nactual;
6191 
6192 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
6193 
6194 	status = nxge_intr_ldgv_init(nxgep);
6195 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type_fix"));
6196 
6197 	return (status);
6198 }
6199 
6200 static void
6201 nxge_remove_intrs(p_nxge_t nxgep)
6202 {
6203 	int		i, inum;
6204 	p_nxge_intr_t	intrp;
6205 
6206 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs"));
6207 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6208 	if (!intrp->intr_registered) {
6209 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6210 		    "<== nxge_remove_intrs: interrupts not registered"));
6211 		return;
6212 	}
6213 
6214 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs:advanced"));
6215 
6216 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6217 		(void) ddi_intr_block_disable(intrp->htable,
6218 		    intrp->intr_added);
6219 	} else {
6220 		for (i = 0; i < intrp->intr_added; i++) {
6221 			(void) ddi_intr_disable(intrp->htable[i]);
6222 		}
6223 	}
6224 
6225 	for (inum = 0; inum < intrp->intr_added; inum++) {
6226 		if (intrp->htable[inum]) {
6227 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
6228 		}
6229 	}
6230 
6231 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
6232 		if (intrp->htable[inum]) {
6233 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6234 			    "nxge_remove_intrs: ddi_intr_free inum %d "
6235 			    "msi_intx_cnt %d intr_added %d",
6236 			    inum,
6237 			    intrp->msi_intx_cnt,
6238 			    intrp->intr_added));
6239 
6240 			(void) ddi_intr_free(intrp->htable[inum]);
6241 		}
6242 	}
6243 
6244 	kmem_free(intrp->htable, intrp->intr_size);
6245 	intrp->intr_registered = B_FALSE;
6246 	intrp->intr_enabled = B_FALSE;
6247 	intrp->msi_intx_cnt = 0;
6248 	intrp->intr_added = 0;
6249 
6250 	(void) nxge_ldgv_uninit(nxgep);
6251 
6252 	(void) ddi_prop_remove(DDI_DEV_T_NONE, nxgep->dip,
6253 	    "#msix-request");
6254 
6255 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_intrs"));
6256 }
6257 
6258 /*ARGSUSED*/
6259 static void
6260 nxge_remove_soft_intrs(p_nxge_t nxgep)
6261 {
6262 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_soft_intrs"));
6263 	if (nxgep->resched_id) {
6264 		ddi_remove_softintr(nxgep->resched_id);
6265 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6266 		    "==> nxge_remove_soft_intrs: removed"));
6267 		nxgep->resched_id = NULL;
6268 	}
6269 
6270 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_soft_intrs"));
6271 }
6272 
6273 /*ARGSUSED*/
6274 static void
6275 nxge_intrs_enable(p_nxge_t nxgep)
6276 {
6277 	p_nxge_intr_t	intrp;
6278 	int		i;
6279 	int		status;
6280 
6281 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable"));
6282 
6283 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6284 
6285 	if (!intrp->intr_registered) {
6286 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_intrs_enable: "
6287 		    "interrupts are not registered"));
6288 		return;
6289 	}
6290 
6291 	if (intrp->intr_enabled) {
6292 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6293 		    "<== nxge_intrs_enable: already enabled"));
6294 		return;
6295 	}
6296 
6297 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6298 		status = ddi_intr_block_enable(intrp->htable,
6299 		    intrp->intr_added);
6300 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6301 		    "block enable - status 0x%x total inums #%d\n",
6302 		    status, intrp->intr_added));
6303 	} else {
6304 		for (i = 0; i < intrp->intr_added; i++) {
6305 			status = ddi_intr_enable(intrp->htable[i]);
6306 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6307 			    "ddi_intr_enable:enable - status 0x%x "
6308 			    "total inums %d enable inum #%d\n",
6309 			    status, intrp->intr_added, i));
6310 			if (status == DDI_SUCCESS) {
6311 				intrp->intr_enabled = B_TRUE;
6312 			}
6313 		}
6314 	}
6315 
6316 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_enable"));
6317 }
6318 
6319 /*ARGSUSED*/
6320 static void
6321 nxge_intrs_disable(p_nxge_t nxgep)
6322 {
6323 	p_nxge_intr_t	intrp;
6324 	int		i;
6325 
6326 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_disable"));
6327 
6328 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6329 
6330 	if (!intrp->intr_registered) {
6331 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable: "
6332 		    "interrupts are not registered"));
6333 		return;
6334 	}
6335 
6336 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6337 		(void) ddi_intr_block_disable(intrp->htable,
6338 		    intrp->intr_added);
6339 	} else {
6340 		for (i = 0; i < intrp->intr_added; i++) {
6341 			(void) ddi_intr_disable(intrp->htable[i]);
6342 		}
6343 	}
6344 
6345 	intrp->intr_enabled = B_FALSE;
6346 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable"));
6347 }
6348 
6349 static nxge_status_t
6350 nxge_mac_register(p_nxge_t nxgep)
6351 {
6352 	mac_register_t *macp;
6353 	int		status;
6354 
6355 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_mac_register"));
6356 
6357 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
6358 		return (NXGE_ERROR);
6359 
6360 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
6361 	macp->m_driver = nxgep;
6362 	macp->m_dip = nxgep->dip;
6363 	macp->m_src_addr = nxgep->ouraddr.ether_addr_octet;
6364 	macp->m_callbacks = &nxge_m_callbacks;
6365 	macp->m_min_sdu = 0;
6366 	nxgep->mac.default_mtu = nxgep->mac.maxframesize -
6367 	    NXGE_EHEADER_VLAN_CRC;
6368 	macp->m_max_sdu = nxgep->mac.default_mtu;
6369 	macp->m_margin = VLAN_TAGSZ;
6370 	macp->m_priv_props = nxge_priv_props;
6371 	macp->m_priv_prop_count = NXGE_MAX_PRIV_PROPS;
6372 
6373 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
6374 	    "==> nxge_mac_register: instance %d "
6375 	    "max_sdu %d margin %d maxframe %d (header %d)",
6376 	    nxgep->instance,
6377 	    macp->m_max_sdu, macp->m_margin,
6378 	    nxgep->mac.maxframesize,
6379 	    NXGE_EHEADER_VLAN_CRC));
6380 
6381 	status = mac_register(macp, &nxgep->mach);
6382 	mac_free(macp);
6383 
6384 	if (status != 0) {
6385 		cmn_err(CE_WARN,
6386 		    "!nxge_mac_register failed (status %d instance %d)",
6387 		    status, nxgep->instance);
6388 		return (NXGE_ERROR);
6389 	}
6390 
6391 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_mac_register success "
6392 	    "(instance %d)", nxgep->instance));
6393 
6394 	return (NXGE_OK);
6395 }
6396 
6397 void
6398 nxge_err_inject(p_nxge_t nxgep, queue_t *wq, mblk_t *mp)
6399 {
6400 	ssize_t		size;
6401 	mblk_t		*nmp;
6402 	uint8_t		blk_id;
6403 	uint8_t		chan;
6404 	uint32_t	err_id;
6405 	err_inject_t	*eip;
6406 
6407 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_err_inject"));
6408 
6409 	size = 1024;
6410 	nmp = mp->b_cont;
6411 	eip = (err_inject_t *)nmp->b_rptr;
6412 	blk_id = eip->blk_id;
6413 	err_id = eip->err_id;
6414 	chan = eip->chan;
6415 	cmn_err(CE_NOTE, "!blk_id = 0x%x\n", blk_id);
6416 	cmn_err(CE_NOTE, "!err_id = 0x%x\n", err_id);
6417 	cmn_err(CE_NOTE, "!chan = 0x%x\n", chan);
6418 	switch (blk_id) {
6419 	case MAC_BLK_ID:
6420 		break;
6421 	case TXMAC_BLK_ID:
6422 		break;
6423 	case RXMAC_BLK_ID:
6424 		break;
6425 	case MIF_BLK_ID:
6426 		break;
6427 	case IPP_BLK_ID:
6428 		nxge_ipp_inject_err(nxgep, err_id);
6429 		break;
6430 	case TXC_BLK_ID:
6431 		nxge_txc_inject_err(nxgep, err_id);
6432 		break;
6433 	case TXDMA_BLK_ID:
6434 		nxge_txdma_inject_err(nxgep, err_id, chan);
6435 		break;
6436 	case RXDMA_BLK_ID:
6437 		nxge_rxdma_inject_err(nxgep, err_id, chan);
6438 		break;
6439 	case ZCP_BLK_ID:
6440 		nxge_zcp_inject_err(nxgep, err_id);
6441 		break;
6442 	case ESPC_BLK_ID:
6443 		break;
6444 	case FFLP_BLK_ID:
6445 		break;
6446 	case PHY_BLK_ID:
6447 		break;
6448 	case ETHER_SERDES_BLK_ID:
6449 		break;
6450 	case PCIE_SERDES_BLK_ID:
6451 		break;
6452 	case VIR_BLK_ID:
6453 		break;
6454 	}
6455 
6456 	nmp->b_wptr = nmp->b_rptr + size;
6457 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_err_inject"));
6458 
6459 	miocack(wq, mp, (int)size, 0);
6460 }
6461 
6462 static int
6463 nxge_init_common_dev(p_nxge_t nxgep)
6464 {
6465 	p_nxge_hw_list_t	hw_p;
6466 	dev_info_t 		*p_dip;
6467 
6468 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_init_common_device"));
6469 
6470 	p_dip = nxgep->p_dip;
6471 	MUTEX_ENTER(&nxge_common_lock);
6472 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6473 	    "==> nxge_init_common_dev:func # %d",
6474 	    nxgep->function_num));
6475 	/*
6476 	 * Loop through existing per neptune hardware list.
6477 	 */
6478 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6479 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6480 		    "==> nxge_init_common_device:func # %d "
6481 		    "hw_p $%p parent dip $%p",
6482 		    nxgep->function_num,
6483 		    hw_p,
6484 		    p_dip));
6485 		if (hw_p->parent_devp == p_dip) {
6486 			nxgep->nxge_hw_p = hw_p;
6487 			hw_p->ndevs++;
6488 			hw_p->nxge_p[nxgep->function_num] = nxgep;
6489 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6490 			    "==> nxge_init_common_device:func # %d "
6491 			    "hw_p $%p parent dip $%p "
6492 			    "ndevs %d (found)",
6493 			    nxgep->function_num,
6494 			    hw_p,
6495 			    p_dip,
6496 			    hw_p->ndevs));
6497 			break;
6498 		}
6499 	}
6500 
6501 	if (hw_p == NULL) {
6502 
6503 		char **prop_val;
6504 		uint_t prop_len;
6505 		int i;
6506 
6507 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6508 		    "==> nxge_init_common_device:func # %d "
6509 		    "parent dip $%p (new)",
6510 		    nxgep->function_num,
6511 		    p_dip));
6512 		hw_p = kmem_zalloc(sizeof (nxge_hw_list_t), KM_SLEEP);
6513 		hw_p->parent_devp = p_dip;
6514 		hw_p->magic = NXGE_NEPTUNE_MAGIC;
6515 		nxgep->nxge_hw_p = hw_p;
6516 		hw_p->ndevs++;
6517 		hw_p->nxge_p[nxgep->function_num] = nxgep;
6518 		hw_p->next = nxge_hw_list;
6519 		if (nxgep->niu_type == N2_NIU) {
6520 			hw_p->niu_type = N2_NIU;
6521 			hw_p->platform_type = P_NEPTUNE_NIU;
6522 		} else {
6523 			hw_p->niu_type = NIU_TYPE_NONE;
6524 			hw_p->platform_type = P_NEPTUNE_NONE;
6525 		}
6526 
6527 		MUTEX_INIT(&hw_p->nxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
6528 		MUTEX_INIT(&hw_p->nxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
6529 		MUTEX_INIT(&hw_p->nxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
6530 		MUTEX_INIT(&hw_p->nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
6531 
6532 		nxge_hw_list = hw_p;
6533 
6534 		if (ddi_prop_lookup_string_array(DDI_DEV_T_ANY, nxgep->dip, 0,
6535 		    "compatible", &prop_val, &prop_len) == DDI_PROP_SUCCESS) {
6536 			for (i = 0; i < prop_len; i++) {
6537 				if ((strcmp((caddr_t)prop_val[i],
6538 				    NXGE_ROCK_COMPATIBLE) == 0)) {
6539 					hw_p->platform_type = P_NEPTUNE_ROCK;
6540 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6541 					    "ROCK hw_p->platform_type %d",
6542 					    hw_p->platform_type));
6543 					break;
6544 				}
6545 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6546 				    "nxge_init_common_dev: read compatible"
6547 				    " property[%d] val[%s]",
6548 				    i, (caddr_t)prop_val[i]));
6549 			}
6550 		}
6551 
6552 		ddi_prop_free(prop_val);
6553 
6554 		(void) nxge_scan_ports_phy(nxgep, nxge_hw_list);
6555 	}
6556 
6557 	MUTEX_EXIT(&nxge_common_lock);
6558 
6559 	nxgep->platform_type = hw_p->platform_type;
6560 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "nxgep->platform_type %d",
6561 	    nxgep->platform_type));
6562 	if (nxgep->niu_type != N2_NIU) {
6563 		nxgep->niu_type = hw_p->niu_type;
6564 	}
6565 
6566 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6567 	    "==> nxge_init_common_device (nxge_hw_list) $%p",
6568 	    nxge_hw_list));
6569 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<== nxge_init_common_device"));
6570 
6571 	return (NXGE_OK);
6572 }
6573 
6574 static void
6575 nxge_uninit_common_dev(p_nxge_t nxgep)
6576 {
6577 	p_nxge_hw_list_t	hw_p, h_hw_p;
6578 	p_nxge_dma_pt_cfg_t	p_dma_cfgp;
6579 	p_nxge_hw_pt_cfg_t	p_cfgp;
6580 	dev_info_t 		*p_dip;
6581 
6582 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_uninit_common_device"));
6583 	if (nxgep->nxge_hw_p == NULL) {
6584 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6585 		    "<== nxge_uninit_common_device (no common)"));
6586 		return;
6587 	}
6588 
6589 	MUTEX_ENTER(&nxge_common_lock);
6590 	h_hw_p = nxge_hw_list;
6591 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6592 		p_dip = hw_p->parent_devp;
6593 		if (nxgep->nxge_hw_p == hw_p &&
6594 		    p_dip == nxgep->p_dip &&
6595 		    nxgep->nxge_hw_p->magic == NXGE_NEPTUNE_MAGIC &&
6596 		    hw_p->magic == NXGE_NEPTUNE_MAGIC) {
6597 
6598 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6599 			    "==> nxge_uninit_common_device:func # %d "
6600 			    "hw_p $%p parent dip $%p "
6601 			    "ndevs %d (found)",
6602 			    nxgep->function_num,
6603 			    hw_p,
6604 			    p_dip,
6605 			    hw_p->ndevs));
6606 
6607 			/*
6608 			 * Release the RDC table, a shared resoruce
6609 			 * of the nxge hardware.  The RDC table was
6610 			 * assigned to this instance of nxge in
6611 			 * nxge_use_cfg_dma_config().
6612 			 */
6613 			if (!isLDOMguest(nxgep)) {
6614 				p_dma_cfgp =
6615 				    (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
6616 				p_cfgp =
6617 				    (p_nxge_hw_pt_cfg_t)&p_dma_cfgp->hw_config;
6618 				(void) nxge_fzc_rdc_tbl_unbind(nxgep,
6619 				    p_cfgp->def_mac_rxdma_grpid);
6620 
6621 				/* Cleanup any outstanding groups.  */
6622 				nxge_grp_cleanup(nxgep);
6623 			}
6624 
6625 			if (hw_p->ndevs) {
6626 				hw_p->ndevs--;
6627 			}
6628 			hw_p->nxge_p[nxgep->function_num] = NULL;
6629 			if (!hw_p->ndevs) {
6630 				MUTEX_DESTROY(&hw_p->nxge_vlan_lock);
6631 				MUTEX_DESTROY(&hw_p->nxge_tcam_lock);
6632 				MUTEX_DESTROY(&hw_p->nxge_cfg_lock);
6633 				MUTEX_DESTROY(&hw_p->nxge_mdio_lock);
6634 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6635 				    "==> nxge_uninit_common_device: "
6636 				    "func # %d "
6637 				    "hw_p $%p parent dip $%p "
6638 				    "ndevs %d (last)",
6639 				    nxgep->function_num,
6640 				    hw_p,
6641 				    p_dip,
6642 				    hw_p->ndevs));
6643 
6644 				nxge_hio_uninit(nxgep);
6645 
6646 				if (hw_p == nxge_hw_list) {
6647 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6648 					    "==> nxge_uninit_common_device:"
6649 					    "remove head func # %d "
6650 					    "hw_p $%p parent dip $%p "
6651 					    "ndevs %d (head)",
6652 					    nxgep->function_num,
6653 					    hw_p,
6654 					    p_dip,
6655 					    hw_p->ndevs));
6656 					nxge_hw_list = hw_p->next;
6657 				} else {
6658 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6659 					    "==> nxge_uninit_common_device:"
6660 					    "remove middle func # %d "
6661 					    "hw_p $%p parent dip $%p "
6662 					    "ndevs %d (middle)",
6663 					    nxgep->function_num,
6664 					    hw_p,
6665 					    p_dip,
6666 					    hw_p->ndevs));
6667 					h_hw_p->next = hw_p->next;
6668 				}
6669 
6670 				nxgep->nxge_hw_p = NULL;
6671 				KMEM_FREE(hw_p, sizeof (nxge_hw_list_t));
6672 			}
6673 			break;
6674 		} else {
6675 			h_hw_p = hw_p;
6676 		}
6677 	}
6678 
6679 	MUTEX_EXIT(&nxge_common_lock);
6680 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6681 	    "==> nxge_uninit_common_device (nxge_hw_list) $%p",
6682 	    nxge_hw_list));
6683 
6684 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<= nxge_uninit_common_device"));
6685 }
6686 
6687 /*
6688  * Determines the number of ports from the niu_type or the platform type.
6689  * Returns the number of ports, or returns zero on failure.
6690  */
6691 
6692 int
6693 nxge_get_nports(p_nxge_t nxgep)
6694 {
6695 	int	nports = 0;
6696 
6697 	switch (nxgep->niu_type) {
6698 	case N2_NIU:
6699 	case NEPTUNE_2_10GF:
6700 		nports = 2;
6701 		break;
6702 	case NEPTUNE_4_1GC:
6703 	case NEPTUNE_2_10GF_2_1GC:
6704 	case NEPTUNE_1_10GF_3_1GC:
6705 	case NEPTUNE_1_1GC_1_10GF_2_1GC:
6706 	case NEPTUNE_2_10GF_2_1GRF:
6707 		nports = 4;
6708 		break;
6709 	default:
6710 		switch (nxgep->platform_type) {
6711 		case P_NEPTUNE_NIU:
6712 		case P_NEPTUNE_ATLAS_2PORT:
6713 			nports = 2;
6714 			break;
6715 		case P_NEPTUNE_ATLAS_4PORT:
6716 		case P_NEPTUNE_MARAMBA_P0:
6717 		case P_NEPTUNE_MARAMBA_P1:
6718 		case P_NEPTUNE_ROCK:
6719 		case P_NEPTUNE_ALONSO:
6720 			nports = 4;
6721 			break;
6722 		default:
6723 			break;
6724 		}
6725 		break;
6726 	}
6727 
6728 	return (nports);
6729 }
6730 
6731 /*
6732  * The following two functions are to support
6733  * PSARC/2007/453 MSI-X interrupt limit override.
6734  */
6735 static int
6736 nxge_create_msi_property(p_nxge_t nxgep)
6737 {
6738 	int	nmsi;
6739 	extern	int ncpus;
6740 
6741 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==>nxge_create_msi_property"));
6742 
6743 	switch (nxgep->mac.portmode) {
6744 	case PORT_10G_COPPER:
6745 	case PORT_10G_FIBER:
6746 	case PORT_10G_TN1010:
6747 		(void) ddi_prop_create(DDI_DEV_T_NONE, nxgep->dip,
6748 		    DDI_PROP_CANSLEEP, "#msix-request", NULL, 0);
6749 		/*
6750 		 * The maximum MSI-X requested will be 8.
6751 		 * If the # of CPUs is less than 8, we will reqeust
6752 		 * # MSI-X based on the # of CPUs.
6753 		 */
6754 		if (ncpus >= NXGE_MSIX_REQUEST_10G) {
6755 			nmsi = NXGE_MSIX_REQUEST_10G;
6756 		} else {
6757 			nmsi = ncpus;
6758 		}
6759 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6760 		    "==>nxge_create_msi_property(10G): exists 0x%x (nmsi %d)",
6761 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6762 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6763 		break;
6764 
6765 	default:
6766 		nmsi = NXGE_MSIX_REQUEST_1G;
6767 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6768 		    "==>nxge_create_msi_property(1G): exists 0x%x (nmsi %d)",
6769 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6770 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6771 		break;
6772 	}
6773 
6774 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<==nxge_create_msi_property"));
6775 	return (nmsi);
6776 }
6777 
6778 /* ARGSUSED */
6779 static int
6780 nxge_get_def_val(nxge_t *nxgep, mac_prop_id_t pr_num, uint_t pr_valsize,
6781     void *pr_val)
6782 {
6783 	int err = 0;
6784 	link_flowctrl_t fl;
6785 
6786 	switch (pr_num) {
6787 	case MAC_PROP_AUTONEG:
6788 		*(uint8_t *)pr_val = 1;
6789 		break;
6790 	case MAC_PROP_FLOWCTRL:
6791 		if (pr_valsize < sizeof (link_flowctrl_t))
6792 			return (EINVAL);
6793 		fl = LINK_FLOWCTRL_RX;
6794 		bcopy(&fl, pr_val, sizeof (fl));
6795 		break;
6796 	case MAC_PROP_ADV_1000FDX_CAP:
6797 	case MAC_PROP_EN_1000FDX_CAP:
6798 		*(uint8_t *)pr_val = 1;
6799 		break;
6800 	case MAC_PROP_ADV_100FDX_CAP:
6801 	case MAC_PROP_EN_100FDX_CAP:
6802 		*(uint8_t *)pr_val = 1;
6803 		break;
6804 	default:
6805 		err = ENOTSUP;
6806 		break;
6807 	}
6808 	return (err);
6809 }
6810 
6811 
6812 /*
6813  * The following is a software around for the Neptune hardware's
6814  * interrupt bugs; The Neptune hardware may generate spurious interrupts when
6815  * an interrupr handler is removed.
6816  */
6817 #define	NXGE_PCI_PORT_LOGIC_OFFSET	0x98
6818 #define	NXGE_PIM_RESET			(1ULL << 29)
6819 #define	NXGE_GLU_RESET			(1ULL << 30)
6820 #define	NXGE_NIU_RESET			(1ULL << 31)
6821 #define	NXGE_PCI_RESET_ALL		(NXGE_PIM_RESET |	\
6822 					NXGE_GLU_RESET |	\
6823 					NXGE_NIU_RESET)
6824 
6825 #define	NXGE_WAIT_QUITE_TIME		200000
6826 #define	NXGE_WAIT_QUITE_RETRY		40
6827 #define	NXGE_PCI_RESET_WAIT		1000000 /* one second */
6828 
6829 static void
6830 nxge_niu_peu_reset(p_nxge_t nxgep)
6831 {
6832 	uint32_t	rvalue;
6833 	p_nxge_hw_list_t hw_p;
6834 	p_nxge_t	fnxgep;
6835 	int		i, j;
6836 
6837 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_niu_peu_reset"));
6838 	if ((hw_p = nxgep->nxge_hw_p) == NULL) {
6839 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6840 		    "==> nxge_niu_peu_reset: NULL hardware pointer"));
6841 		return;
6842 	}
6843 
6844 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6845 	    "==> nxge_niu_peu_reset: flags 0x%x link timer id %d timer id %d",
6846 	    hw_p->flags, nxgep->nxge_link_poll_timerid,
6847 	    nxgep->nxge_timerid));
6848 
6849 	MUTEX_ENTER(&hw_p->nxge_cfg_lock);
6850 	/*
6851 	 * Make sure other instances from the same hardware
6852 	 * stop sending PIO and in quiescent state.
6853 	 */
6854 	for (i = 0; i < NXGE_MAX_PORTS; i++) {
6855 		fnxgep = hw_p->nxge_p[i];
6856 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6857 		    "==> nxge_niu_peu_reset: checking entry %d "
6858 		    "nxgep $%p", i, fnxgep));
6859 #ifdef	NXGE_DEBUG
6860 		if (fnxgep) {
6861 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6862 			    "==> nxge_niu_peu_reset: entry %d (function %d) "
6863 			    "link timer id %d hw timer id %d",
6864 			    i, fnxgep->function_num,
6865 			    fnxgep->nxge_link_poll_timerid,
6866 			    fnxgep->nxge_timerid));
6867 		}
6868 #endif
6869 		if (fnxgep && fnxgep != nxgep &&
6870 		    (fnxgep->nxge_timerid || fnxgep->nxge_link_poll_timerid)) {
6871 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6872 			    "==> nxge_niu_peu_reset: checking $%p "
6873 			    "(function %d) timer ids",
6874 			    fnxgep, fnxgep->function_num));
6875 			for (j = 0; j < NXGE_WAIT_QUITE_RETRY; j++) {
6876 				NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6877 				    "==> nxge_niu_peu_reset: waiting"));
6878 				NXGE_DELAY(NXGE_WAIT_QUITE_TIME);
6879 				if (!fnxgep->nxge_timerid &&
6880 				    !fnxgep->nxge_link_poll_timerid) {
6881 					break;
6882 				}
6883 			}
6884 			NXGE_DELAY(NXGE_WAIT_QUITE_TIME);
6885 			if (fnxgep->nxge_timerid ||
6886 			    fnxgep->nxge_link_poll_timerid) {
6887 				MUTEX_EXIT(&hw_p->nxge_cfg_lock);
6888 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6889 				    "<== nxge_niu_peu_reset: cannot reset "
6890 				    "hardware (devices are still in use)"));
6891 				return;
6892 			}
6893 		}
6894 	}
6895 
6896 	if ((hw_p->flags & COMMON_RESET_NIU_PCI) != COMMON_RESET_NIU_PCI) {
6897 		hw_p->flags |= COMMON_RESET_NIU_PCI;
6898 		rvalue = pci_config_get32(nxgep->dev_regs->nxge_pciregh,
6899 		    NXGE_PCI_PORT_LOGIC_OFFSET);
6900 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6901 		    "nxge_niu_peu_reset: read offset 0x%x (%d) "
6902 		    "(data 0x%x)",
6903 		    NXGE_PCI_PORT_LOGIC_OFFSET,
6904 		    NXGE_PCI_PORT_LOGIC_OFFSET,
6905 		    rvalue));
6906 
6907 		rvalue |= NXGE_PCI_RESET_ALL;
6908 		pci_config_put32(nxgep->dev_regs->nxge_pciregh,
6909 		    NXGE_PCI_PORT_LOGIC_OFFSET, rvalue);
6910 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6911 		    "nxge_niu_peu_reset: RESETTING NIU: write NIU reset 0x%x",
6912 		    rvalue));
6913 
6914 		NXGE_DELAY(NXGE_PCI_RESET_WAIT);
6915 	}
6916 
6917 	MUTEX_EXIT(&hw_p->nxge_cfg_lock);
6918 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_niu_peu_reset"));
6919 }
6920 
6921 static void
6922 nxge_set_pci_replay_timeout(p_nxge_t nxgep)
6923 {
6924 	p_dev_regs_t 	dev_regs;
6925 	uint32_t	value;
6926 
6927 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_set_pci_replay_timeout"));
6928 
6929 	if (!nxge_set_replay_timer) {
6930 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6931 		    "==> nxge_set_pci_replay_timeout: will not change "
6932 		    "the timeout"));
6933 		return;
6934 	}
6935 
6936 	dev_regs = nxgep->dev_regs;
6937 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6938 	    "==> nxge_set_pci_replay_timeout: dev_regs 0x%p pcireg 0x%p",
6939 	    dev_regs, dev_regs->nxge_pciregh));
6940 
6941 	if (dev_regs == NULL || (dev_regs->nxge_pciregh == NULL)) {
6942 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6943 		    "==> nxge_set_pci_replay_timeout: NULL dev_regs $%p or "
6944 		    "no PCI handle",
6945 		    dev_regs));
6946 		return;
6947 	}
6948 	value = (pci_config_get32(dev_regs->nxge_pciregh,
6949 	    PCI_REPLAY_TIMEOUT_CFG_OFFSET) |
6950 	    (nxge_replay_timeout << PCI_REPLAY_TIMEOUT_SHIFT));
6951 
6952 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6953 	    "nxge_set_pci_replay_timeout: replay timeout value before set 0x%x "
6954 	    "(timeout value to set 0x%x at offset 0x%x) value 0x%x",
6955 	    pci_config_get32(dev_regs->nxge_pciregh,
6956 	    PCI_REPLAY_TIMEOUT_CFG_OFFSET), nxge_replay_timeout,
6957 	    PCI_REPLAY_TIMEOUT_CFG_OFFSET, value));
6958 
6959 	pci_config_put32(dev_regs->nxge_pciregh, PCI_REPLAY_TIMEOUT_CFG_OFFSET,
6960 	    value);
6961 
6962 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6963 	    "nxge_set_pci_replay_timeout: replay timeout value after set 0x%x",
6964 	    pci_config_get32(dev_regs->nxge_pciregh,
6965 	    PCI_REPLAY_TIMEOUT_CFG_OFFSET)));
6966 
6967 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_set_pci_replay_timeout"));
6968 }
6969 
6970 /*
6971  * quiesce(9E) entry point.
6972  *
6973  * This function is called when the system is single-threaded at high
6974  * PIL with preemption disabled. Therefore, this function must not be
6975  * blocked.
6976  *
6977  * This function returns DDI_SUCCESS on success, or DDI_FAILURE on failure.
6978  * DDI_FAILURE indicates an error condition and should almost never happen.
6979  */
6980 static int
6981 nxge_quiesce(dev_info_t *dip)
6982 {
6983 	int instance = ddi_get_instance(dip);
6984 	p_nxge_t nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
6985 
6986 	if (nxgep == NULL)
6987 		return (DDI_FAILURE);
6988 
6989 	/* Turn off debugging */
6990 	nxge_debug_level = NO_DEBUG;
6991 	nxgep->nxge_debug_level = NO_DEBUG;
6992 	npi_debug_level = NO_DEBUG;
6993 
6994 	/*
6995 	 * Stop link monitor only when linkchkmod is interrupt based
6996 	 */
6997 	if (nxgep->mac.linkchkmode == LINKCHK_INTR) {
6998 		(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
6999 	}
7000 
7001 	(void) nxge_intr_hw_disable(nxgep);
7002 
7003 	/*
7004 	 * Reset the receive MAC side.
7005 	 */
7006 	(void) nxge_rx_mac_disable(nxgep);
7007 
7008 	/* Disable and soft reset the IPP */
7009 	if (!isLDOMguest(nxgep))
7010 		(void) nxge_ipp_disable(nxgep);
7011 
7012 	/*
7013 	 * Reset the transmit/receive DMA side.
7014 	 */
7015 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
7016 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
7017 
7018 	/*
7019 	 * Reset the transmit MAC side.
7020 	 */
7021 	(void) nxge_tx_mac_disable(nxgep);
7022 
7023 	return (DDI_SUCCESS);
7024 }
7025