xref: /titanic_51/usr/src/uts/common/io/nxge/nxge_main.c (revision 9da57d7b0ddd8d73b676ce12c040362132cdd538)
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 #pragma ident	"%Z%%M%	%I%	%E% SMI"
27 
28 /*
29  * SunOs MT STREAMS NIU/Neptune 10Gb Ethernet Device Driver.
30  */
31 #include	<sys/nxge/nxge_impl.h>
32 #include	<sys/nxge/nxge_hio.h>
33 #include	<sys/nxge/nxge_rxdma.h>
34 #include	<sys/pcie.h>
35 
36 uint32_t 	nxge_use_partition = 0;		/* debug partition flag */
37 uint32_t 	nxge_dma_obp_props_only = 1;	/* use obp published props */
38 uint32_t 	nxge_use_rdc_intr = 1;		/* debug to assign rdc intr */
39 /*
40  * PSARC/2007/453 MSI-X interrupt limit override
41  * (This PSARC case is limited to MSI-X vectors
42  *  and SPARC platforms only).
43  */
44 #if defined(_BIG_ENDIAN)
45 uint32_t	nxge_msi_enable = 2;
46 #else
47 uint32_t	nxge_msi_enable = 1;
48 #endif
49 
50 /*
51  * Software workaround for the hardware
52  * checksum bugs that affect packet transmission
53  * and receive:
54  *
55  * Usage of nxge_cksum_offload:
56  *
57  *  (1) nxge_cksum_offload = 0 (default):
58  *	- transmits packets:
59  *	  TCP: uses the hardware checksum feature.
60  *	  UDP: driver will compute the software checksum
61  *	       based on the partial checksum computed
62  *	       by the IP layer.
63  *	- receives packets
64  *	  TCP: marks packets checksum flags based on hardware result.
65  *	  UDP: will not mark checksum flags.
66  *
67  *  (2) nxge_cksum_offload = 1:
68  *	- transmit packets:
69  *	  TCP/UDP: uses the hardware checksum feature.
70  *	- receives packets
71  *	  TCP/UDP: marks packet checksum flags based on hardware result.
72  *
73  *  (3) nxge_cksum_offload = 2:
74  *	- The driver will not register its checksum capability.
75  *	  Checksum for both TCP and UDP will be computed
76  *	  by the stack.
77  *	- The software LSO is not allowed in this case.
78  *
79  *  (4) nxge_cksum_offload > 2:
80  *	- Will be treated as it is set to 2
81  *	  (stack will compute the checksum).
82  *
83  *  (5) If the hardware bug is fixed, this workaround
84  *	needs to be updated accordingly to reflect
85  *	the new hardware revision.
86  */
87 uint32_t	nxge_cksum_offload = 0;
88 
89 /*
90  * Globals: tunable parameters (/etc/system or adb)
91  *
92  */
93 uint32_t 	nxge_rbr_size = NXGE_RBR_RBB_DEFAULT;
94 uint32_t 	nxge_rbr_spare_size = 0;
95 uint32_t 	nxge_rcr_size = NXGE_RCR_DEFAULT;
96 uint32_t 	nxge_tx_ring_size = NXGE_TX_RING_DEFAULT;
97 boolean_t 	nxge_no_msg = B_TRUE;		/* control message display */
98 uint32_t 	nxge_no_link_notify = 0;	/* control DL_NOTIFY */
99 uint32_t 	nxge_bcopy_thresh = TX_BCOPY_MAX;
100 uint32_t 	nxge_dvma_thresh = TX_FASTDVMA_MIN;
101 uint32_t 	nxge_dma_stream_thresh = TX_STREAM_MIN;
102 uint32_t	nxge_jumbo_mtu	= TX_JUMBO_MTU;
103 boolean_t	nxge_jumbo_enable = B_FALSE;
104 uint16_t	nxge_rcr_timeout = NXGE_RDC_RCR_TIMEOUT;
105 uint16_t	nxge_rcr_threshold = NXGE_RDC_RCR_THRESHOLD;
106 nxge_tx_mode_t	nxge_tx_scheme = NXGE_USE_SERIAL;
107 
108 /* MAX LSO size */
109 #define		NXGE_LSO_MAXLEN	65535
110 uint32_t	nxge_lso_max = NXGE_LSO_MAXLEN;
111 
112 /*
113  * Debugging flags:
114  *		nxge_no_tx_lb : transmit load balancing
115  *		nxge_tx_lb_policy: 0 - TCP port (default)
116  *				   3 - DEST MAC
117  */
118 uint32_t 	nxge_no_tx_lb = 0;
119 uint32_t 	nxge_tx_lb_policy = NXGE_TX_LB_TCPUDP;
120 
121 /*
122  * Add tunable to reduce the amount of time spent in the
123  * ISR doing Rx Processing.
124  */
125 uint32_t nxge_max_rx_pkts = 1024;
126 
127 /*
128  * Tunables to manage the receive buffer blocks.
129  *
130  * nxge_rx_threshold_hi: copy all buffers.
131  * nxge_rx_bcopy_size_type: receive buffer block size type.
132  * nxge_rx_threshold_lo: copy only up to tunable block size type.
133  */
134 nxge_rxbuf_threshold_t nxge_rx_threshold_hi = NXGE_RX_COPY_6;
135 nxge_rxbuf_type_t nxge_rx_buf_size_type = RCR_PKTBUFSZ_0;
136 nxge_rxbuf_threshold_t nxge_rx_threshold_lo = NXGE_RX_COPY_3;
137 
138 /* Use kmem_alloc() to allocate data buffers. */
139 #if !defined(__i386)
140 uint32_t	nxge_use_kmem_alloc = 1;
141 #else
142 uint32_t	nxge_use_kmem_alloc = 0;
143 #endif
144 
145 rtrace_t npi_rtracebuf;
146 
147 #if	defined(sun4v)
148 /*
149  * Hypervisor N2/NIU services information.
150  */
151 static hsvc_info_t niu_hsvc = {
152 	HSVC_REV_1, NULL, HSVC_GROUP_NIU, NIU_MAJOR_VER,
153 	NIU_MINOR_VER, "nxge"
154 };
155 
156 static int nxge_hsvc_register(p_nxge_t);
157 #endif
158 
159 /*
160  * Function Prototypes
161  */
162 static int nxge_attach(dev_info_t *, ddi_attach_cmd_t);
163 static int nxge_detach(dev_info_t *, ddi_detach_cmd_t);
164 static void nxge_unattach(p_nxge_t);
165 
166 #if NXGE_PROPERTY
167 static void nxge_remove_hard_properties(p_nxge_t);
168 #endif
169 
170 /*
171  * These two functions are required by nxge_hio.c
172  */
173 extern int nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr);
174 extern int nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot);
175 
176 static nxge_status_t nxge_setup_system_dma_pages(p_nxge_t);
177 
178 static nxge_status_t nxge_setup_mutexes(p_nxge_t);
179 static void nxge_destroy_mutexes(p_nxge_t);
180 
181 static nxge_status_t nxge_map_regs(p_nxge_t nxgep);
182 static void nxge_unmap_regs(p_nxge_t nxgep);
183 #ifdef	NXGE_DEBUG
184 static void nxge_test_map_regs(p_nxge_t nxgep);
185 #endif
186 
187 static nxge_status_t nxge_add_intrs(p_nxge_t nxgep);
188 static nxge_status_t nxge_add_soft_intrs(p_nxge_t nxgep);
189 static void nxge_remove_intrs(p_nxge_t nxgep);
190 static void nxge_remove_soft_intrs(p_nxge_t nxgep);
191 
192 static nxge_status_t nxge_add_intrs_adv(p_nxge_t nxgep);
193 static nxge_status_t nxge_add_intrs_adv_type(p_nxge_t, uint32_t);
194 static nxge_status_t nxge_add_intrs_adv_type_fix(p_nxge_t, uint32_t);
195 static void nxge_intrs_enable(p_nxge_t nxgep);
196 static void nxge_intrs_disable(p_nxge_t nxgep);
197 
198 static void nxge_suspend(p_nxge_t);
199 static nxge_status_t nxge_resume(p_nxge_t);
200 
201 static nxge_status_t nxge_setup_dev(p_nxge_t);
202 static void nxge_destroy_dev(p_nxge_t);
203 
204 static nxge_status_t nxge_alloc_mem_pool(p_nxge_t);
205 static void nxge_free_mem_pool(p_nxge_t);
206 
207 nxge_status_t nxge_alloc_rx_mem_pool(p_nxge_t);
208 static void nxge_free_rx_mem_pool(p_nxge_t);
209 
210 nxge_status_t nxge_alloc_tx_mem_pool(p_nxge_t);
211 static void nxge_free_tx_mem_pool(p_nxge_t);
212 
213 static nxge_status_t nxge_dma_mem_alloc(p_nxge_t, dma_method_t,
214 	struct ddi_dma_attr *,
215 	size_t, ddi_device_acc_attr_t *, uint_t,
216 	p_nxge_dma_common_t);
217 
218 static void nxge_dma_mem_free(p_nxge_dma_common_t);
219 static void nxge_dma_free_rx_data_buf(p_nxge_dma_common_t);
220 
221 static nxge_status_t nxge_alloc_rx_buf_dma(p_nxge_t, uint16_t,
222 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
223 static void nxge_free_rx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
224 
225 static nxge_status_t nxge_alloc_rx_cntl_dma(p_nxge_t, uint16_t,
226 	p_nxge_dma_common_t *, size_t);
227 static void nxge_free_rx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
228 
229 extern nxge_status_t nxge_alloc_tx_buf_dma(p_nxge_t, uint16_t,
230 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
231 static void nxge_free_tx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
232 
233 extern nxge_status_t nxge_alloc_tx_cntl_dma(p_nxge_t, uint16_t,
234 	p_nxge_dma_common_t *,
235 	size_t);
236 static void nxge_free_tx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
237 
238 static int nxge_init_common_dev(p_nxge_t);
239 static void nxge_uninit_common_dev(p_nxge_t);
240 extern int nxge_param_set_mac(p_nxge_t, queue_t *, mblk_t *,
241     char *, caddr_t);
242 
243 /*
244  * The next declarations are for the GLDv3 interface.
245  */
246 static int nxge_m_start(void *);
247 static void nxge_m_stop(void *);
248 static int nxge_m_unicst(void *, const uint8_t *);
249 static int nxge_m_multicst(void *, boolean_t, const uint8_t *);
250 static int nxge_m_promisc(void *, boolean_t);
251 static void nxge_m_ioctl(void *, queue_t *, mblk_t *);
252 static void nxge_m_resources(void *);
253 mblk_t *nxge_m_tx(void *arg, mblk_t *);
254 static nxge_status_t nxge_mac_register(p_nxge_t);
255 static int nxge_altmac_set(p_nxge_t nxgep, uint8_t *mac_addr,
256 	mac_addr_slot_t slot);
257 void nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot,
258 	boolean_t factory);
259 static int nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr);
260 static int nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr);
261 static int nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr);
262 static	boolean_t nxge_m_getcapab(void *, mac_capab_t, void *);
263 static int nxge_m_setprop(void *, const char *, mac_prop_id_t,
264     uint_t, const void *);
265 static int nxge_m_getprop(void *, const char *, mac_prop_id_t,
266     uint_t, uint_t, void *);
267 static int nxge_set_priv_prop(nxge_t *, const char *, uint_t,
268     const void *);
269 static int nxge_get_priv_prop(nxge_t *, const char *, uint_t, uint_t,
270     void *);
271 static int nxge_get_def_val(nxge_t *, mac_prop_id_t, uint_t, void *);
272 
273 
274 mac_priv_prop_t nxge_priv_props[] = {
275 	{"_adv_10gfdx_cap", MAC_PROP_PERM_RW},
276 	{"_adv_pause_cap", MAC_PROP_PERM_RW},
277 	{"_function_number", MAC_PROP_PERM_READ},
278 	{"_fw_version", MAC_PROP_PERM_READ},
279 	{"_port_mode", MAC_PROP_PERM_READ},
280 	{"_hot_swap_phy", MAC_PROP_PERM_READ},
281 	{"_accept_jumbo", MAC_PROP_PERM_RW},
282 	{"_rxdma_intr_time", MAC_PROP_PERM_RW},
283 	{"_rxdma_intr_pkts", MAC_PROP_PERM_RW},
284 	{"_class_opt_ipv4_tcp", MAC_PROP_PERM_RW},
285 	{"_class_opt_ipv4_udp", MAC_PROP_PERM_RW},
286 	{"_class_opt_ipv4_ah", MAC_PROP_PERM_RW},
287 	{"_class_opt_ipv4_sctp", MAC_PROP_PERM_RW},
288 	{"_class_opt_ipv6_tcp", MAC_PROP_PERM_RW},
289 	{"_class_opt_ipv6_udp", MAC_PROP_PERM_RW},
290 	{"_class_opt_ipv6_ah", MAC_PROP_PERM_RW},
291 	{"_class_opt_ipv6_sctp", MAC_PROP_PERM_RW},
292 	{"_soft_lso_enable", MAC_PROP_PERM_RW}
293 };
294 
295 #define	NXGE_MAX_PRIV_PROPS	\
296 	(sizeof (nxge_priv_props)/sizeof (mac_priv_prop_t))
297 
298 #define	NXGE_M_CALLBACK_FLAGS\
299 	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
300 
301 
302 #define	NXGE_NEPTUNE_MAGIC	0x4E584745UL
303 #define	MAX_DUMP_SZ 256
304 
305 #define	NXGE_M_CALLBACK_FLAGS	\
306 	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
307 
308 mac_callbacks_t nxge_m_callbacks = {
309 	NXGE_M_CALLBACK_FLAGS,
310 	nxge_m_stat,
311 	nxge_m_start,
312 	nxge_m_stop,
313 	nxge_m_promisc,
314 	nxge_m_multicst,
315 	nxge_m_unicst,
316 	nxge_m_tx,
317 	nxge_m_resources,
318 	nxge_m_ioctl,
319 	nxge_m_getcapab,
320 	NULL,
321 	NULL,
322 	nxge_m_setprop,
323 	nxge_m_getprop
324 };
325 
326 void
327 nxge_err_inject(p_nxge_t, queue_t *, mblk_t *);
328 
329 /* PSARC/2007/453 MSI-X interrupt limit override. */
330 #define	NXGE_MSIX_REQUEST_10G	8
331 #define	NXGE_MSIX_REQUEST_1G	2
332 static int nxge_create_msi_property(p_nxge_t);
333 
334 /*
335  * These global variables control the message
336  * output.
337  */
338 out_dbgmsg_t nxge_dbgmsg_out = DBG_CONSOLE | STR_LOG;
339 uint64_t nxge_debug_level;
340 
341 /*
342  * This list contains the instance structures for the Neptune
343  * devices present in the system. The lock exists to guarantee
344  * mutually exclusive access to the list.
345  */
346 void 			*nxge_list = NULL;
347 
348 void			*nxge_hw_list = NULL;
349 nxge_os_mutex_t 	nxge_common_lock;
350 
351 extern uint64_t 	npi_debug_level;
352 
353 extern nxge_status_t	nxge_ldgv_init(p_nxge_t, int *, int *);
354 extern nxge_status_t	nxge_ldgv_init_n2(p_nxge_t, int *, int *);
355 extern nxge_status_t	nxge_ldgv_uninit(p_nxge_t);
356 extern nxge_status_t	nxge_intr_ldgv_init(p_nxge_t);
357 extern void		nxge_fm_init(p_nxge_t,
358 					ddi_device_acc_attr_t *,
359 					ddi_device_acc_attr_t *,
360 					ddi_dma_attr_t *);
361 extern void		nxge_fm_fini(p_nxge_t);
362 extern npi_status_t	npi_mac_altaddr_disable(npi_handle_t, uint8_t, uint8_t);
363 
364 /*
365  * Count used to maintain the number of buffers being used
366  * by Neptune instances and loaned up to the upper layers.
367  */
368 uint32_t nxge_mblks_pending = 0;
369 
370 /*
371  * Device register access attributes for PIO.
372  */
373 static ddi_device_acc_attr_t nxge_dev_reg_acc_attr = {
374 	DDI_DEVICE_ATTR_V0,
375 	DDI_STRUCTURE_LE_ACC,
376 	DDI_STRICTORDER_ACC,
377 };
378 
379 /*
380  * Device descriptor access attributes for DMA.
381  */
382 static ddi_device_acc_attr_t nxge_dev_desc_dma_acc_attr = {
383 	DDI_DEVICE_ATTR_V0,
384 	DDI_STRUCTURE_LE_ACC,
385 	DDI_STRICTORDER_ACC
386 };
387 
388 /*
389  * Device buffer access attributes for DMA.
390  */
391 static ddi_device_acc_attr_t nxge_dev_buf_dma_acc_attr = {
392 	DDI_DEVICE_ATTR_V0,
393 	DDI_STRUCTURE_BE_ACC,
394 	DDI_STRICTORDER_ACC
395 };
396 
397 ddi_dma_attr_t nxge_desc_dma_attr = {
398 	DMA_ATTR_V0,		/* version number. */
399 	0,			/* low address */
400 	0xffffffffffffffff,	/* high address */
401 	0xffffffffffffffff,	/* address counter max */
402 #ifndef NIU_PA_WORKAROUND
403 	0x100000,		/* alignment */
404 #else
405 	0x2000,
406 #endif
407 	0xfc00fc,		/* dlim_burstsizes */
408 	0x1,			/* minimum transfer size */
409 	0xffffffffffffffff,	/* maximum transfer size */
410 	0xffffffffffffffff,	/* maximum segment size */
411 	1,			/* scatter/gather list length */
412 	(unsigned int) 1,	/* granularity */
413 	0			/* attribute flags */
414 };
415 
416 ddi_dma_attr_t nxge_tx_dma_attr = {
417 	DMA_ATTR_V0,		/* version number. */
418 	0,			/* low address */
419 	0xffffffffffffffff,	/* high address */
420 	0xffffffffffffffff,	/* address counter max */
421 #if defined(_BIG_ENDIAN)
422 	0x2000,			/* alignment */
423 #else
424 	0x1000,			/* alignment */
425 #endif
426 	0xfc00fc,		/* dlim_burstsizes */
427 	0x1,			/* minimum transfer size */
428 	0xffffffffffffffff,	/* maximum transfer size */
429 	0xffffffffffffffff,	/* maximum segment size */
430 	5,			/* scatter/gather list length */
431 	(unsigned int) 1,	/* granularity */
432 	0			/* attribute flags */
433 };
434 
435 ddi_dma_attr_t nxge_rx_dma_attr = {
436 	DMA_ATTR_V0,		/* version number. */
437 	0,			/* low address */
438 	0xffffffffffffffff,	/* high address */
439 	0xffffffffffffffff,	/* address counter max */
440 	0x2000,			/* alignment */
441 	0xfc00fc,		/* dlim_burstsizes */
442 	0x1,			/* minimum transfer size */
443 	0xffffffffffffffff,	/* maximum transfer size */
444 	0xffffffffffffffff,	/* maximum segment size */
445 	1,			/* scatter/gather list length */
446 	(unsigned int) 1,	/* granularity */
447 	DDI_DMA_RELAXED_ORDERING /* attribute flags */
448 };
449 
450 ddi_dma_lim_t nxge_dma_limits = {
451 	(uint_t)0,		/* dlim_addr_lo */
452 	(uint_t)0xffffffff,	/* dlim_addr_hi */
453 	(uint_t)0xffffffff,	/* dlim_cntr_max */
454 	(uint_t)0xfc00fc,	/* dlim_burstsizes for 32 and 64 bit xfers */
455 	0x1,			/* dlim_minxfer */
456 	1024			/* dlim_speed */
457 };
458 
459 dma_method_t nxge_force_dma = DVMA;
460 
461 /*
462  * dma chunk sizes.
463  *
464  * Try to allocate the largest possible size
465  * so that fewer number of dma chunks would be managed
466  */
467 #ifdef NIU_PA_WORKAROUND
468 size_t alloc_sizes [] = {0x2000};
469 #else
470 size_t alloc_sizes [] = {0x1000, 0x2000, 0x4000, 0x8000,
471 		0x10000, 0x20000, 0x40000, 0x80000,
472 		0x100000, 0x200000, 0x400000, 0x800000,
473 		0x1000000, 0x2000000, 0x4000000};
474 #endif
475 
476 /*
477  * Translate "dev_t" to a pointer to the associated "dev_info_t".
478  */
479 
480 extern void nxge_get_environs(nxge_t *);
481 
482 static int
483 nxge_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
484 {
485 	p_nxge_t	nxgep = NULL;
486 	int		instance;
487 	int		status = DDI_SUCCESS;
488 	uint8_t		portn;
489 	nxge_mmac_t	*mmac_info;
490 
491 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_attach"));
492 
493 	/*
494 	 * Get the device instance since we'll need to setup
495 	 * or retrieve a soft state for this instance.
496 	 */
497 	instance = ddi_get_instance(dip);
498 
499 	switch (cmd) {
500 	case DDI_ATTACH:
501 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_ATTACH"));
502 		break;
503 
504 	case DDI_RESUME:
505 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_RESUME"));
506 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
507 		if (nxgep == NULL) {
508 			status = DDI_FAILURE;
509 			break;
510 		}
511 		if (nxgep->dip != dip) {
512 			status = DDI_FAILURE;
513 			break;
514 		}
515 		if (nxgep->suspended == DDI_PM_SUSPEND) {
516 			status = ddi_dev_is_needed(nxgep->dip, 0, 1);
517 		} else {
518 			status = nxge_resume(nxgep);
519 		}
520 		goto nxge_attach_exit;
521 
522 	case DDI_PM_RESUME:
523 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_RESUME"));
524 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
525 		if (nxgep == NULL) {
526 			status = DDI_FAILURE;
527 			break;
528 		}
529 		if (nxgep->dip != dip) {
530 			status = DDI_FAILURE;
531 			break;
532 		}
533 		status = nxge_resume(nxgep);
534 		goto nxge_attach_exit;
535 
536 	default:
537 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing unknown"));
538 		status = DDI_FAILURE;
539 		goto nxge_attach_exit;
540 	}
541 
542 
543 	if (ddi_soft_state_zalloc(nxge_list, instance) == DDI_FAILURE) {
544 		status = DDI_FAILURE;
545 		goto nxge_attach_exit;
546 	}
547 
548 	nxgep = ddi_get_soft_state(nxge_list, instance);
549 	if (nxgep == NULL) {
550 		status = NXGE_ERROR;
551 		goto nxge_attach_fail2;
552 	}
553 
554 	nxgep->nxge_magic = NXGE_MAGIC;
555 
556 	nxgep->drv_state = 0;
557 	nxgep->dip = dip;
558 	nxgep->instance = instance;
559 	nxgep->p_dip = ddi_get_parent(dip);
560 	nxgep->nxge_debug_level = nxge_debug_level;
561 	npi_debug_level = nxge_debug_level;
562 
563 	/* Are we a guest running in a Hybrid I/O environment? */
564 	nxge_get_environs(nxgep);
565 
566 	status = nxge_map_regs(nxgep);
567 
568 	if (status != NXGE_OK) {
569 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_map_regs failed"));
570 		goto nxge_attach_fail3;
571 	}
572 
573 	nxge_fm_init(nxgep, &nxge_dev_reg_acc_attr,
574 	    &nxge_dev_desc_dma_acc_attr,
575 	    &nxge_rx_dma_attr);
576 
577 	/* Create & initialize the per-Neptune data structure */
578 	/* (even if we're a guest). */
579 	status = nxge_init_common_dev(nxgep);
580 	if (status != NXGE_OK) {
581 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
582 		    "nxge_init_common_dev failed"));
583 		goto nxge_attach_fail4;
584 	}
585 
586 #if defined(sun4v)
587 	/* This is required by nxge_hio_init(), which follows. */
588 	if ((status = nxge_hsvc_register(nxgep)) != DDI_SUCCESS)
589 		goto nxge_attach_fail;
590 #endif
591 
592 	if ((status = nxge_hio_init(nxgep)) != NXGE_OK) {
593 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
594 		    "nxge_hio_init failed"));
595 		goto nxge_attach_fail4;
596 	}
597 
598 	if (nxgep->niu_type == NEPTUNE_2_10GF) {
599 		if (nxgep->function_num > 1) {
600 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Unsupported"
601 			    " function %d. Only functions 0 and 1 are "
602 			    "supported for this card.", nxgep->function_num));
603 			status = NXGE_ERROR;
604 			goto nxge_attach_fail4;
605 		}
606 	}
607 
608 	if (isLDOMguest(nxgep)) {
609 		/*
610 		 * Use the function number here.
611 		 */
612 		nxgep->mac.portnum = nxgep->function_num;
613 		nxgep->mac.porttype = PORT_TYPE_LOGICAL;
614 
615 		/* XXX We'll set the MAC address counts to 1 for now. */
616 		mmac_info = &nxgep->nxge_mmac_info;
617 		mmac_info->num_mmac = 1;
618 		mmac_info->naddrfree = 1;
619 	} else {
620 		portn = NXGE_GET_PORT_NUM(nxgep->function_num);
621 		nxgep->mac.portnum = portn;
622 		if ((portn == 0) || (portn == 1))
623 			nxgep->mac.porttype = PORT_TYPE_XMAC;
624 		else
625 			nxgep->mac.porttype = PORT_TYPE_BMAC;
626 		/*
627 		 * Neptune has 4 ports, the first 2 ports use XMAC (10G MAC)
628 		 * internally, the rest 2 ports use BMAC (1G "Big" MAC).
629 		 * The two types of MACs have different characterizations.
630 		 */
631 		mmac_info = &nxgep->nxge_mmac_info;
632 		if (nxgep->function_num < 2) {
633 			mmac_info->num_mmac = XMAC_MAX_ALT_ADDR_ENTRY;
634 			mmac_info->naddrfree = XMAC_MAX_ALT_ADDR_ENTRY;
635 		} else {
636 			mmac_info->num_mmac = BMAC_MAX_ALT_ADDR_ENTRY;
637 			mmac_info->naddrfree = BMAC_MAX_ALT_ADDR_ENTRY;
638 		}
639 	}
640 	/*
641 	 * Setup the Ndd parameters for the this instance.
642 	 */
643 	nxge_init_param(nxgep);
644 
645 	/*
646 	 * Setup Register Tracing Buffer.
647 	 */
648 	npi_rtrace_buf_init((rtrace_t *)&npi_rtracebuf);
649 
650 	/* init stats ptr */
651 	nxge_init_statsp(nxgep);
652 
653 	/*
654 	 * Copy the vpd info from eeprom to a local data
655 	 * structure, and then check its validity.
656 	 */
657 	if (!isLDOMguest(nxgep)) {
658 		int *regp;
659 		uint_t reglen;
660 		int rv;
661 
662 		nxge_vpd_info_get(nxgep);
663 
664 		/* Find the NIU config handle. */
665 		rv = ddi_prop_lookup_int_array(DDI_DEV_T_ANY,
666 		    ddi_get_parent(nxgep->dip), DDI_PROP_DONTPASS,
667 		    "reg", &regp, &reglen);
668 
669 		if (rv != DDI_PROP_SUCCESS) {
670 			goto nxge_attach_fail5;
671 		}
672 		/*
673 		 * The address_hi, that is the first int, in the reg
674 		 * property consists of config handle, but need to remove
675 		 * the bits 28-31 which are OBP specific info.
676 		 */
677 		nxgep->niu_cfg_hdl = (*regp) & 0xFFFFFFF;
678 		ddi_prop_free(regp);
679 	}
680 
681 	if (isLDOMguest(nxgep)) {
682 		uchar_t *prop_val;
683 		uint_t prop_len;
684 
685 		extern void nxge_get_logical_props(p_nxge_t);
686 
687 		nxgep->statsp->mac_stats.xcvr_inuse = LOGICAL_XCVR;
688 		nxgep->mac.portmode = PORT_LOGICAL;
689 		(void) ddi_prop_update_string(DDI_DEV_T_NONE, nxgep->dip,
690 		    "phy-type", "virtual transceiver");
691 
692 		nxgep->nports = 1;
693 		nxgep->board_ver = 0;	/* XXX What? */
694 
695 		/*
696 		 * local-mac-address property gives us info on which
697 		 * specific MAC address the Hybrid resource is associated
698 		 * with.
699 		 */
700 		if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, nxgep->dip, 0,
701 		    "local-mac-address", &prop_val,
702 		    &prop_len) != DDI_PROP_SUCCESS) {
703 			goto nxge_attach_fail5;
704 		}
705 		if (prop_len !=  ETHERADDRL) {
706 			ddi_prop_free(prop_val);
707 			goto nxge_attach_fail5;
708 		}
709 		ether_copy(prop_val, nxgep->hio_mac_addr);
710 		ddi_prop_free(prop_val);
711 		nxge_get_logical_props(nxgep);
712 
713 	} else {
714 		status = nxge_xcvr_find(nxgep);
715 
716 		if (status != NXGE_OK) {
717 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_attach: "
718 			    " Couldn't determine card type"
719 			    " .... exit "));
720 			goto nxge_attach_fail5;
721 		}
722 
723 		status = nxge_get_config_properties(nxgep);
724 
725 		if (status != NXGE_OK) {
726 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
727 			    "get_hw create failed"));
728 			goto nxge_attach_fail;
729 		}
730 	}
731 
732 	/*
733 	 * Setup the Kstats for the driver.
734 	 */
735 	nxge_setup_kstats(nxgep);
736 
737 	if (!isLDOMguest(nxgep))
738 		nxge_setup_param(nxgep);
739 
740 	status = nxge_setup_system_dma_pages(nxgep);
741 	if (status != NXGE_OK) {
742 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "set dma page failed"));
743 		goto nxge_attach_fail;
744 	}
745 
746 	nxge_hw_id_init(nxgep);
747 
748 	if (!isLDOMguest(nxgep))
749 		nxge_hw_init_niu_common(nxgep);
750 
751 	status = nxge_setup_mutexes(nxgep);
752 	if (status != NXGE_OK) {
753 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set mutex failed"));
754 		goto nxge_attach_fail;
755 	}
756 
757 #if defined(sun4v)
758 	if (isLDOMguest(nxgep)) {
759 		/* Find our VR & channel sets. */
760 		status = nxge_hio_vr_add(nxgep);
761 		goto nxge_attach_exit;
762 	}
763 #endif
764 
765 	status = nxge_setup_dev(nxgep);
766 	if (status != DDI_SUCCESS) {
767 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set dev failed"));
768 		goto nxge_attach_fail;
769 	}
770 
771 	status = nxge_add_intrs(nxgep);
772 	if (status != DDI_SUCCESS) {
773 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "add_intr failed"));
774 		goto nxge_attach_fail;
775 	}
776 	status = nxge_add_soft_intrs(nxgep);
777 	if (status != DDI_SUCCESS) {
778 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
779 		    "add_soft_intr failed"));
780 		goto nxge_attach_fail;
781 	}
782 
783 	/*
784 	 * Enable interrupts.
785 	 */
786 	nxge_intrs_enable(nxgep);
787 
788 	// If a guest, register with vio_net instead.
789 	if ((status = nxge_mac_register(nxgep)) != NXGE_OK) {
790 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
791 		    "unable to register to mac layer (%d)", status));
792 		goto nxge_attach_fail;
793 	}
794 
795 	mac_link_update(nxgep->mach, LINK_STATE_UNKNOWN);
796 
797 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
798 	    "registered to mac (instance %d)", instance));
799 
800 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
801 
802 	goto nxge_attach_exit;
803 
804 nxge_attach_fail:
805 	nxge_unattach(nxgep);
806 	goto nxge_attach_fail1;
807 
808 nxge_attach_fail5:
809 	/*
810 	 * Tear down the ndd parameters setup.
811 	 */
812 	nxge_destroy_param(nxgep);
813 
814 	/*
815 	 * Tear down the kstat setup.
816 	 */
817 	nxge_destroy_kstats(nxgep);
818 
819 nxge_attach_fail4:
820 	if (nxgep->nxge_hw_p) {
821 		nxge_uninit_common_dev(nxgep);
822 		nxgep->nxge_hw_p = NULL;
823 	}
824 
825 nxge_attach_fail3:
826 	/*
827 	 * Unmap the register setup.
828 	 */
829 	nxge_unmap_regs(nxgep);
830 
831 	nxge_fm_fini(nxgep);
832 
833 nxge_attach_fail2:
834 	ddi_soft_state_free(nxge_list, nxgep->instance);
835 
836 nxge_attach_fail1:
837 	if (status != NXGE_OK)
838 		status = (NXGE_ERROR | NXGE_DDI_FAILED);
839 	nxgep = NULL;
840 
841 nxge_attach_exit:
842 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_attach status = 0x%08x",
843 	    status));
844 
845 	return (status);
846 }
847 
848 static int
849 nxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
850 {
851 	int 		status = DDI_SUCCESS;
852 	int 		instance;
853 	p_nxge_t 	nxgep = NULL;
854 
855 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_detach"));
856 	instance = ddi_get_instance(dip);
857 	nxgep = ddi_get_soft_state(nxge_list, instance);
858 	if (nxgep == NULL) {
859 		status = DDI_FAILURE;
860 		goto nxge_detach_exit;
861 	}
862 
863 	switch (cmd) {
864 	case DDI_DETACH:
865 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_DETACH"));
866 		break;
867 
868 	case DDI_PM_SUSPEND:
869 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
870 		nxgep->suspended = DDI_PM_SUSPEND;
871 		nxge_suspend(nxgep);
872 		break;
873 
874 	case DDI_SUSPEND:
875 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_SUSPEND"));
876 		if (nxgep->suspended != DDI_PM_SUSPEND) {
877 			nxgep->suspended = DDI_SUSPEND;
878 			nxge_suspend(nxgep);
879 		}
880 		break;
881 
882 	default:
883 		status = DDI_FAILURE;
884 	}
885 
886 	if (cmd != DDI_DETACH)
887 		goto nxge_detach_exit;
888 
889 	/*
890 	 * Stop the xcvr polling.
891 	 */
892 	nxgep->suspended = cmd;
893 
894 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
895 
896 	if (isLDOMguest(nxgep)) {
897 		nxge_hio_unregister(nxgep);
898 	} else if (nxgep->mach && (status = mac_unregister(nxgep->mach)) != 0) {
899 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
900 		    "<== nxge_detach status = 0x%08X", status));
901 		return (DDI_FAILURE);
902 	}
903 
904 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
905 	    "<== nxge_detach (mac_unregister) status = 0x%08X", status));
906 
907 	nxge_unattach(nxgep);
908 	nxgep = NULL;
909 
910 nxge_detach_exit:
911 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_detach status = 0x%08X",
912 	    status));
913 
914 	return (status);
915 }
916 
917 static void
918 nxge_unattach(p_nxge_t nxgep)
919 {
920 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unattach"));
921 
922 	if (nxgep == NULL || nxgep->dev_regs == NULL) {
923 		return;
924 	}
925 
926 	nxgep->nxge_magic = 0;
927 
928 	if (nxgep->nxge_timerid) {
929 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
930 		nxgep->nxge_timerid = 0;
931 	}
932 
933 #if	defined(sun4v)
934 	if (isLDOMguest(nxgep)) {
935 		(void) nxge_hio_vr_release(nxgep);
936 	}
937 #endif
938 
939 	if (nxgep->nxge_hw_p) {
940 		nxge_uninit_common_dev(nxgep);
941 		nxgep->nxge_hw_p = NULL;
942 	}
943 
944 #if	defined(sun4v)
945 	if (nxgep->niu_type == N2_NIU && nxgep->niu_hsvc_available == B_TRUE) {
946 		(void) hsvc_unregister(&nxgep->niu_hsvc);
947 		nxgep->niu_hsvc_available = B_FALSE;
948 	}
949 #endif
950 	/*
951 	 * Stop any further interrupts.
952 	 */
953 	nxge_remove_intrs(nxgep);
954 
955 	/* remove soft interrups */
956 	nxge_remove_soft_intrs(nxgep);
957 
958 	/*
959 	 * Stop the device and free resources.
960 	 */
961 	if (!isLDOMguest(nxgep)) {
962 		nxge_destroy_dev(nxgep);
963 	}
964 
965 	/*
966 	 * Tear down the ndd parameters setup.
967 	 */
968 	nxge_destroy_param(nxgep);
969 
970 	/*
971 	 * Tear down the kstat setup.
972 	 */
973 	nxge_destroy_kstats(nxgep);
974 
975 	/*
976 	 * Destroy all mutexes.
977 	 */
978 	nxge_destroy_mutexes(nxgep);
979 
980 	/*
981 	 * Remove the list of ndd parameters which
982 	 * were setup during attach.
983 	 */
984 	if (nxgep->dip) {
985 		NXGE_DEBUG_MSG((nxgep, OBP_CTL,
986 		    " nxge_unattach: remove all properties"));
987 
988 		(void) ddi_prop_remove_all(nxgep->dip);
989 	}
990 
991 #if NXGE_PROPERTY
992 	nxge_remove_hard_properties(nxgep);
993 #endif
994 
995 	/*
996 	 * Unmap the register setup.
997 	 */
998 	nxge_unmap_regs(nxgep);
999 
1000 	nxge_fm_fini(nxgep);
1001 
1002 	ddi_soft_state_free(nxge_list, nxgep->instance);
1003 
1004 	NXGE_DEBUG_MSG((NULL, DDI_CTL, "<== nxge_unattach"));
1005 }
1006 
1007 #if defined(sun4v)
1008 int
1009 nxge_hsvc_register(
1010 	nxge_t *nxgep)
1011 {
1012 	nxge_status_t status;
1013 
1014 	if (nxgep->niu_type == N2_NIU) {
1015 		nxgep->niu_hsvc_available = B_FALSE;
1016 		bcopy(&niu_hsvc, &nxgep->niu_hsvc, sizeof (hsvc_info_t));
1017 		if ((status = hsvc_register(&nxgep->niu_hsvc,
1018 		    &nxgep->niu_min_ver)) != 0) {
1019 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1020 			    "nxge_attach: %s: cannot negotiate "
1021 			    "hypervisor services revision %d group: 0x%lx "
1022 			    "major: 0x%lx minor: 0x%lx errno: %d",
1023 			    niu_hsvc.hsvc_modname, niu_hsvc.hsvc_rev,
1024 			    niu_hsvc.hsvc_group, niu_hsvc.hsvc_major,
1025 			    niu_hsvc.hsvc_minor, status));
1026 			return (DDI_FAILURE);
1027 		}
1028 		nxgep->niu_hsvc_available = B_TRUE;
1029 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1030 		    "NIU Hypervisor service enabled"));
1031 	}
1032 
1033 	return (DDI_SUCCESS);
1034 }
1035 #endif
1036 
1037 static char n2_siu_name[] = "niu";
1038 
1039 static nxge_status_t
1040 nxge_map_regs(p_nxge_t nxgep)
1041 {
1042 	int		ddi_status = DDI_SUCCESS;
1043 	p_dev_regs_t 	dev_regs;
1044 	char		buf[MAXPATHLEN + 1];
1045 	char 		*devname;
1046 #ifdef	NXGE_DEBUG
1047 	char 		*sysname;
1048 #endif
1049 	off_t		regsize;
1050 	nxge_status_t	status = NXGE_OK;
1051 #if !defined(_BIG_ENDIAN)
1052 	off_t pci_offset;
1053 	uint16_t pcie_devctl;
1054 #endif
1055 
1056 	if (isLDOMguest(nxgep)) {
1057 		return (nxge_guest_regs_map(nxgep));
1058 	}
1059 
1060 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_map_regs"));
1061 	nxgep->dev_regs = NULL;
1062 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
1063 	dev_regs->nxge_regh = NULL;
1064 	dev_regs->nxge_pciregh = NULL;
1065 	dev_regs->nxge_msix_regh = NULL;
1066 	dev_regs->nxge_vir_regh = NULL;
1067 	dev_regs->nxge_vir2_regh = NULL;
1068 	nxgep->niu_type = NIU_TYPE_NONE;
1069 
1070 	devname = ddi_pathname(nxgep->dip, buf);
1071 	ASSERT(strlen(devname) > 0);
1072 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1073 	    "nxge_map_regs: pathname devname %s", devname));
1074 
1075 	if (strstr(devname, n2_siu_name)) {
1076 		/* N2/NIU */
1077 		nxgep->niu_type = N2_NIU;
1078 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1079 		    "nxge_map_regs: N2/NIU devname %s", devname));
1080 		/* get function number */
1081 		nxgep->function_num =
1082 		    (devname[strlen(devname) -1] == '1' ? 1 : 0);
1083 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1084 		    "nxge_map_regs: N2/NIU function number %d",
1085 		    nxgep->function_num));
1086 	} else {
1087 		int		*prop_val;
1088 		uint_t 		prop_len;
1089 		uint8_t 	func_num;
1090 
1091 		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, nxgep->dip,
1092 		    0, "reg",
1093 		    &prop_val, &prop_len) != DDI_PROP_SUCCESS) {
1094 			NXGE_DEBUG_MSG((nxgep, VPD_CTL,
1095 			    "Reg property not found"));
1096 			ddi_status = DDI_FAILURE;
1097 			goto nxge_map_regs_fail0;
1098 
1099 		} else {
1100 			func_num = (prop_val[0] >> 8) & 0x7;
1101 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1102 			    "Reg property found: fun # %d",
1103 			    func_num));
1104 			nxgep->function_num = func_num;
1105 			if (isLDOMguest(nxgep)) {
1106 				nxgep->function_num /= 2;
1107 				return (NXGE_OK);
1108 			}
1109 			ddi_prop_free(prop_val);
1110 		}
1111 	}
1112 
1113 	switch (nxgep->niu_type) {
1114 	default:
1115 		(void) ddi_dev_regsize(nxgep->dip, 0, &regsize);
1116 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1117 		    "nxge_map_regs: pci config size 0x%x", regsize));
1118 
1119 		ddi_status = ddi_regs_map_setup(nxgep->dip, 0,
1120 		    (caddr_t *)&(dev_regs->nxge_pciregp), 0, 0,
1121 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_pciregh);
1122 		if (ddi_status != DDI_SUCCESS) {
1123 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1124 			    "ddi_map_regs, nxge bus config regs failed"));
1125 			goto nxge_map_regs_fail0;
1126 		}
1127 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1128 		    "nxge_map_reg: PCI config addr 0x%0llx "
1129 		    " handle 0x%0llx", dev_regs->nxge_pciregp,
1130 		    dev_regs->nxge_pciregh));
1131 			/*
1132 			 * IMP IMP
1133 			 * workaround  for bit swapping bug in HW
1134 			 * which ends up in no-snoop = yes
1135 			 * resulting, in DMA not synched properly
1136 			 */
1137 #if !defined(_BIG_ENDIAN)
1138 		/* workarounds for x86 systems */
1139 		pci_offset = 0x80 + PCIE_DEVCTL;
1140 		pcie_devctl = 0x0;
1141 		pcie_devctl &= PCIE_DEVCTL_ENABLE_NO_SNOOP;
1142 		pcie_devctl |= PCIE_DEVCTL_RO_EN;
1143 		pci_config_put16(dev_regs->nxge_pciregh, pci_offset,
1144 		    pcie_devctl);
1145 #endif
1146 
1147 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1148 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1149 		    "nxge_map_regs: pio size 0x%x", regsize));
1150 		/* set up the device mapped register */
1151 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1152 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1153 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1154 		if (ddi_status != DDI_SUCCESS) {
1155 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1156 			    "ddi_map_regs for Neptune global reg failed"));
1157 			goto nxge_map_regs_fail1;
1158 		}
1159 
1160 		/* set up the msi/msi-x mapped register */
1161 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1162 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1163 		    "nxge_map_regs: msix size 0x%x", regsize));
1164 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1165 		    (caddr_t *)&(dev_regs->nxge_msix_regp), 0, 0,
1166 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_msix_regh);
1167 		if (ddi_status != DDI_SUCCESS) {
1168 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1169 			    "ddi_map_regs for msi reg failed"));
1170 			goto nxge_map_regs_fail2;
1171 		}
1172 
1173 		/* set up the vio region mapped register */
1174 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1175 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1176 		    "nxge_map_regs: vio size 0x%x", regsize));
1177 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1178 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1179 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1180 
1181 		if (ddi_status != DDI_SUCCESS) {
1182 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1183 			    "ddi_map_regs for nxge vio reg failed"));
1184 			goto nxge_map_regs_fail3;
1185 		}
1186 		nxgep->dev_regs = dev_regs;
1187 
1188 		NPI_PCI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_pciregh);
1189 		NPI_PCI_ADD_HANDLE_SET(nxgep,
1190 		    (npi_reg_ptr_t)dev_regs->nxge_pciregp);
1191 		NPI_MSI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_msix_regh);
1192 		NPI_MSI_ADD_HANDLE_SET(nxgep,
1193 		    (npi_reg_ptr_t)dev_regs->nxge_msix_regp);
1194 
1195 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1196 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1197 
1198 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1199 		NPI_REG_ADD_HANDLE_SET(nxgep,
1200 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1201 
1202 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1203 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1204 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1205 
1206 		break;
1207 
1208 	case N2_NIU:
1209 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "ddi_map_regs, NIU"));
1210 		/*
1211 		 * Set up the device mapped register (FWARC 2006/556)
1212 		 * (changed back to 1: reg starts at 1!)
1213 		 */
1214 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1215 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1216 		    "nxge_map_regs: dev size 0x%x", regsize));
1217 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1218 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1219 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1220 
1221 		if (ddi_status != DDI_SUCCESS) {
1222 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1223 			    "ddi_map_regs for N2/NIU, global reg failed "));
1224 			goto nxge_map_regs_fail1;
1225 		}
1226 
1227 		/* set up the first vio region mapped register */
1228 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1229 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1230 		    "nxge_map_regs: vio (1) size 0x%x", regsize));
1231 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1232 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1233 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1234 
1235 		if (ddi_status != DDI_SUCCESS) {
1236 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1237 			    "ddi_map_regs for nxge vio reg failed"));
1238 			goto nxge_map_regs_fail2;
1239 		}
1240 		/* set up the second vio region mapped register */
1241 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1242 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1243 		    "nxge_map_regs: vio (3) size 0x%x", regsize));
1244 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1245 		    (caddr_t *)&(dev_regs->nxge_vir2_regp), 0, 0,
1246 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir2_regh);
1247 
1248 		if (ddi_status != DDI_SUCCESS) {
1249 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1250 			    "ddi_map_regs for nxge vio2 reg failed"));
1251 			goto nxge_map_regs_fail3;
1252 		}
1253 		nxgep->dev_regs = dev_regs;
1254 
1255 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1256 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1257 
1258 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1259 		NPI_REG_ADD_HANDLE_SET(nxgep,
1260 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1261 
1262 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1263 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1264 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1265 
1266 		NPI_V2REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir2_regh);
1267 		NPI_V2REG_ADD_HANDLE_SET(nxgep,
1268 		    (npi_reg_ptr_t)dev_regs->nxge_vir2_regp);
1269 
1270 		break;
1271 	}
1272 
1273 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "nxge_map_reg: hardware addr 0x%0llx "
1274 	    " handle 0x%0llx", dev_regs->nxge_regp, dev_regs->nxge_regh));
1275 
1276 	goto nxge_map_regs_exit;
1277 nxge_map_regs_fail3:
1278 	if (dev_regs->nxge_msix_regh) {
1279 		ddi_regs_map_free(&dev_regs->nxge_msix_regh);
1280 	}
1281 	if (dev_regs->nxge_vir_regh) {
1282 		ddi_regs_map_free(&dev_regs->nxge_regh);
1283 	}
1284 nxge_map_regs_fail2:
1285 	if (dev_regs->nxge_regh) {
1286 		ddi_regs_map_free(&dev_regs->nxge_regh);
1287 	}
1288 nxge_map_regs_fail1:
1289 	if (dev_regs->nxge_pciregh) {
1290 		ddi_regs_map_free(&dev_regs->nxge_pciregh);
1291 	}
1292 nxge_map_regs_fail0:
1293 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Freeing register set memory"));
1294 	kmem_free(dev_regs, sizeof (dev_regs_t));
1295 
1296 nxge_map_regs_exit:
1297 	if (ddi_status != DDI_SUCCESS)
1298 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1299 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_map_regs"));
1300 	return (status);
1301 }
1302 
1303 static void
1304 nxge_unmap_regs(p_nxge_t nxgep)
1305 {
1306 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unmap_regs"));
1307 
1308 	if (isLDOMguest(nxgep)) {
1309 		nxge_guest_regs_map_free(nxgep);
1310 		return;
1311 	}
1312 
1313 	if (nxgep->dev_regs) {
1314 		if (nxgep->dev_regs->nxge_pciregh) {
1315 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1316 			    "==> nxge_unmap_regs: bus"));
1317 			ddi_regs_map_free(&nxgep->dev_regs->nxge_pciregh);
1318 			nxgep->dev_regs->nxge_pciregh = NULL;
1319 		}
1320 		if (nxgep->dev_regs->nxge_regh) {
1321 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1322 			    "==> nxge_unmap_regs: device registers"));
1323 			ddi_regs_map_free(&nxgep->dev_regs->nxge_regh);
1324 			nxgep->dev_regs->nxge_regh = NULL;
1325 		}
1326 		if (nxgep->dev_regs->nxge_msix_regh) {
1327 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1328 			    "==> nxge_unmap_regs: device interrupts"));
1329 			ddi_regs_map_free(&nxgep->dev_regs->nxge_msix_regh);
1330 			nxgep->dev_regs->nxge_msix_regh = NULL;
1331 		}
1332 		if (nxgep->dev_regs->nxge_vir_regh) {
1333 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1334 			    "==> nxge_unmap_regs: vio region"));
1335 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir_regh);
1336 			nxgep->dev_regs->nxge_vir_regh = NULL;
1337 		}
1338 		if (nxgep->dev_regs->nxge_vir2_regh) {
1339 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1340 			    "==> nxge_unmap_regs: vio2 region"));
1341 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir2_regh);
1342 			nxgep->dev_regs->nxge_vir2_regh = NULL;
1343 		}
1344 
1345 		kmem_free(nxgep->dev_regs, sizeof (dev_regs_t));
1346 		nxgep->dev_regs = NULL;
1347 	}
1348 
1349 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_unmap_regs"));
1350 }
1351 
1352 static nxge_status_t
1353 nxge_setup_mutexes(p_nxge_t nxgep)
1354 {
1355 	int ddi_status = DDI_SUCCESS;
1356 	nxge_status_t status = NXGE_OK;
1357 	nxge_classify_t *classify_ptr;
1358 	int partition;
1359 
1360 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_mutexes"));
1361 
1362 	/*
1363 	 * Get the interrupt cookie so the mutexes can be
1364 	 * Initialized.
1365 	 */
1366 	if (isLDOMguest(nxgep)) {
1367 		nxgep->interrupt_cookie = 0;
1368 	} else {
1369 		ddi_status = ddi_get_iblock_cookie(nxgep->dip, 0,
1370 		    &nxgep->interrupt_cookie);
1371 
1372 		if (ddi_status != DDI_SUCCESS) {
1373 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1374 			    "<== nxge_setup_mutexes: failed 0x%x",
1375 			    ddi_status));
1376 			goto nxge_setup_mutexes_exit;
1377 		}
1378 	}
1379 
1380 	cv_init(&nxgep->poll_cv, NULL, CV_DRIVER, NULL);
1381 	MUTEX_INIT(&nxgep->poll_lock, NULL,
1382 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1383 
1384 	/*
1385 	 * Initialize mutexes for this device.
1386 	 */
1387 	MUTEX_INIT(nxgep->genlock, NULL,
1388 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1389 	MUTEX_INIT(&nxgep->ouraddr_lock, NULL,
1390 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1391 	MUTEX_INIT(&nxgep->mif_lock, NULL,
1392 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1393 	MUTEX_INIT(&nxgep->group_lock, NULL,
1394 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1395 	RW_INIT(&nxgep->filter_lock, NULL,
1396 	    RW_DRIVER, (void *)nxgep->interrupt_cookie);
1397 
1398 	classify_ptr = &nxgep->classifier;
1399 		/*
1400 		 * FFLP Mutexes are never used in interrupt context
1401 		 * as fflp operation can take very long time to
1402 		 * complete and hence not suitable to invoke from interrupt
1403 		 * handlers.
1404 		 */
1405 	MUTEX_INIT(&classify_ptr->tcam_lock, NULL,
1406 	    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1407 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1408 		MUTEX_INIT(&classify_ptr->fcram_lock, NULL,
1409 		    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1410 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1411 			MUTEX_INIT(&classify_ptr->hash_lock[partition], NULL,
1412 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1413 		}
1414 	}
1415 
1416 nxge_setup_mutexes_exit:
1417 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1418 	    "<== nxge_setup_mutexes status = %x", status));
1419 
1420 	if (ddi_status != DDI_SUCCESS)
1421 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1422 
1423 	return (status);
1424 }
1425 
1426 static void
1427 nxge_destroy_mutexes(p_nxge_t nxgep)
1428 {
1429 	int partition;
1430 	nxge_classify_t *classify_ptr;
1431 
1432 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_mutexes"));
1433 	RW_DESTROY(&nxgep->filter_lock);
1434 	MUTEX_DESTROY(&nxgep->group_lock);
1435 	MUTEX_DESTROY(&nxgep->mif_lock);
1436 	MUTEX_DESTROY(&nxgep->ouraddr_lock);
1437 	MUTEX_DESTROY(nxgep->genlock);
1438 
1439 	classify_ptr = &nxgep->classifier;
1440 	MUTEX_DESTROY(&classify_ptr->tcam_lock);
1441 
1442 	/* Destroy all polling resources. */
1443 	MUTEX_DESTROY(&nxgep->poll_lock);
1444 	cv_destroy(&nxgep->poll_cv);
1445 
1446 	/* free data structures, based on HW type */
1447 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1448 		MUTEX_DESTROY(&classify_ptr->fcram_lock);
1449 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1450 			MUTEX_DESTROY(&classify_ptr->hash_lock[partition]);
1451 		}
1452 	}
1453 
1454 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_mutexes"));
1455 }
1456 
1457 nxge_status_t
1458 nxge_init(p_nxge_t nxgep)
1459 {
1460 	nxge_status_t status = NXGE_OK;
1461 
1462 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_init"));
1463 
1464 	if (nxgep->drv_state & STATE_HW_INITIALIZED) {
1465 		return (status);
1466 	}
1467 
1468 	/*
1469 	 * Allocate system memory for the receive/transmit buffer blocks
1470 	 * and receive/transmit descriptor rings.
1471 	 */
1472 	status = nxge_alloc_mem_pool(nxgep);
1473 	if (status != NXGE_OK) {
1474 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "alloc mem failed\n"));
1475 		goto nxge_init_fail1;
1476 	}
1477 
1478 	if (!isLDOMguest(nxgep)) {
1479 		/*
1480 		 * Initialize and enable the TXC registers.
1481 		 * (Globally enable the Tx controller,
1482 		 *  enable the port, configure the dma channel bitmap,
1483 		 *  configure the max burst size).
1484 		 */
1485 		status = nxge_txc_init(nxgep);
1486 		if (status != NXGE_OK) {
1487 			NXGE_ERROR_MSG((nxgep,
1488 			    NXGE_ERR_CTL, "init txc failed\n"));
1489 			goto nxge_init_fail2;
1490 		}
1491 	}
1492 
1493 	/*
1494 	 * Initialize and enable TXDMA channels.
1495 	 */
1496 	status = nxge_init_txdma_channels(nxgep);
1497 	if (status != NXGE_OK) {
1498 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txdma failed\n"));
1499 		goto nxge_init_fail3;
1500 	}
1501 
1502 	/*
1503 	 * Initialize and enable RXDMA channels.
1504 	 */
1505 	status = nxge_init_rxdma_channels(nxgep);
1506 	if (status != NXGE_OK) {
1507 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init rxdma failed\n"));
1508 		goto nxge_init_fail4;
1509 	}
1510 
1511 	/*
1512 	 * The guest domain is now done.
1513 	 */
1514 	if (isLDOMguest(nxgep)) {
1515 		nxgep->drv_state |= STATE_HW_INITIALIZED;
1516 		goto nxge_init_exit;
1517 	}
1518 
1519 	/*
1520 	 * Initialize TCAM and FCRAM (Neptune).
1521 	 */
1522 	status = nxge_classify_init(nxgep);
1523 	if (status != NXGE_OK) {
1524 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init classify failed\n"));
1525 		goto nxge_init_fail5;
1526 	}
1527 
1528 	/*
1529 	 * Initialize ZCP
1530 	 */
1531 	status = nxge_zcp_init(nxgep);
1532 	if (status != NXGE_OK) {
1533 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init ZCP failed\n"));
1534 		goto nxge_init_fail5;
1535 	}
1536 
1537 	/*
1538 	 * Initialize IPP.
1539 	 */
1540 	status = nxge_ipp_init(nxgep);
1541 	if (status != NXGE_OK) {
1542 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init IPP failed\n"));
1543 		goto nxge_init_fail5;
1544 	}
1545 
1546 	/*
1547 	 * Initialize the MAC block.
1548 	 */
1549 	status = nxge_mac_init(nxgep);
1550 	if (status != NXGE_OK) {
1551 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init MAC failed\n"));
1552 		goto nxge_init_fail5;
1553 	}
1554 
1555 	nxge_intrs_enable(nxgep); /* XXX What changes do I need to make here? */
1556 
1557 	/*
1558 	 * Enable hardware interrupts.
1559 	 */
1560 	nxge_intr_hw_enable(nxgep);
1561 	nxgep->drv_state |= STATE_HW_INITIALIZED;
1562 
1563 	goto nxge_init_exit;
1564 
1565 nxge_init_fail5:
1566 	nxge_uninit_rxdma_channels(nxgep);
1567 nxge_init_fail4:
1568 	nxge_uninit_txdma_channels(nxgep);
1569 nxge_init_fail3:
1570 	if (!isLDOMguest(nxgep)) {
1571 		(void) nxge_txc_uninit(nxgep);
1572 	}
1573 nxge_init_fail2:
1574 	nxge_free_mem_pool(nxgep);
1575 nxge_init_fail1:
1576 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1577 	    "<== nxge_init status (failed) = 0x%08x", status));
1578 	return (status);
1579 
1580 nxge_init_exit:
1581 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_init status = 0x%08x",
1582 	    status));
1583 	return (status);
1584 }
1585 
1586 
1587 timeout_id_t
1588 nxge_start_timer(p_nxge_t nxgep, fptrv_t func, int msec)
1589 {
1590 	if ((nxgep->suspended == 0) || (nxgep->suspended == DDI_RESUME)) {
1591 		return (timeout(func, (caddr_t)nxgep,
1592 		    drv_usectohz(1000 * msec)));
1593 	}
1594 	return (NULL);
1595 }
1596 
1597 /*ARGSUSED*/
1598 void
1599 nxge_stop_timer(p_nxge_t nxgep, timeout_id_t timerid)
1600 {
1601 	if (timerid) {
1602 		(void) untimeout(timerid);
1603 	}
1604 }
1605 
1606 void
1607 nxge_uninit(p_nxge_t nxgep)
1608 {
1609 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_uninit"));
1610 
1611 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1612 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1613 		    "==> nxge_uninit: not initialized"));
1614 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1615 		    "<== nxge_uninit"));
1616 		return;
1617 	}
1618 
1619 	/* stop timer */
1620 	if (nxgep->nxge_timerid) {
1621 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1622 		nxgep->nxge_timerid = 0;
1623 	}
1624 
1625 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1626 	(void) nxge_intr_hw_disable(nxgep);
1627 
1628 	/*
1629 	 * Reset the receive MAC side.
1630 	 */
1631 	(void) nxge_rx_mac_disable(nxgep);
1632 
1633 	/* Disable and soft reset the IPP */
1634 	if (!isLDOMguest(nxgep))
1635 		(void) nxge_ipp_disable(nxgep);
1636 
1637 	/* Free classification resources */
1638 	(void) nxge_classify_uninit(nxgep);
1639 
1640 	/*
1641 	 * Reset the transmit/receive DMA side.
1642 	 */
1643 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
1644 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
1645 
1646 	nxge_uninit_txdma_channels(nxgep);
1647 	nxge_uninit_rxdma_channels(nxgep);
1648 
1649 	/*
1650 	 * Reset the transmit MAC side.
1651 	 */
1652 	(void) nxge_tx_mac_disable(nxgep);
1653 
1654 	nxge_free_mem_pool(nxgep);
1655 
1656 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1657 
1658 	nxgep->drv_state &= ~STATE_HW_INITIALIZED;
1659 
1660 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_uninit: "
1661 	    "nxge_mblks_pending %d", nxge_mblks_pending));
1662 }
1663 
1664 void
1665 nxge_get64(p_nxge_t nxgep, p_mblk_t mp)
1666 {
1667 #if defined(__i386)
1668 	size_t		reg;
1669 #else
1670 	uint64_t	reg;
1671 #endif
1672 	uint64_t	regdata;
1673 	int		i, retry;
1674 
1675 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1676 	regdata = 0;
1677 	retry = 1;
1678 
1679 	for (i = 0; i < retry; i++) {
1680 		NXGE_REG_RD64(nxgep->npi_handle, reg, &regdata);
1681 	}
1682 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1683 }
1684 
1685 void
1686 nxge_put64(p_nxge_t nxgep, p_mblk_t mp)
1687 {
1688 #if defined(__i386)
1689 	size_t		reg;
1690 #else
1691 	uint64_t	reg;
1692 #endif
1693 	uint64_t	buf[2];
1694 
1695 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1696 #if defined(__i386)
1697 	reg = (size_t)buf[0];
1698 #else
1699 	reg = buf[0];
1700 #endif
1701 
1702 	NXGE_NPI_PIO_WRITE64(nxgep->npi_handle, reg, buf[1]);
1703 }
1704 
1705 
1706 nxge_os_mutex_t nxgedebuglock;
1707 int nxge_debug_init = 0;
1708 
1709 /*ARGSUSED*/
1710 /*VARARGS*/
1711 void
1712 nxge_debug_msg(p_nxge_t nxgep, uint64_t level, char *fmt, ...)
1713 {
1714 	char msg_buffer[1048];
1715 	char prefix_buffer[32];
1716 	int instance;
1717 	uint64_t debug_level;
1718 	int cmn_level = CE_CONT;
1719 	va_list ap;
1720 
1721 	if (nxgep && nxgep->nxge_debug_level != nxge_debug_level) {
1722 		/* In case a developer has changed nxge_debug_level. */
1723 		if (nxgep->nxge_debug_level != nxge_debug_level)
1724 			nxgep->nxge_debug_level = nxge_debug_level;
1725 	}
1726 
1727 	debug_level = (nxgep == NULL) ? nxge_debug_level :
1728 	    nxgep->nxge_debug_level;
1729 
1730 	if ((level & debug_level) ||
1731 	    (level == NXGE_NOTE) ||
1732 	    (level == NXGE_ERR_CTL)) {
1733 		/* do the msg processing */
1734 		if (nxge_debug_init == 0) {
1735 			MUTEX_INIT(&nxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1736 			nxge_debug_init = 1;
1737 		}
1738 
1739 		MUTEX_ENTER(&nxgedebuglock);
1740 
1741 		if ((level & NXGE_NOTE)) {
1742 			cmn_level = CE_NOTE;
1743 		}
1744 
1745 		if (level & NXGE_ERR_CTL) {
1746 			cmn_level = CE_WARN;
1747 		}
1748 
1749 		va_start(ap, fmt);
1750 		(void) vsprintf(msg_buffer, fmt, ap);
1751 		va_end(ap);
1752 		if (nxgep == NULL) {
1753 			instance = -1;
1754 			(void) sprintf(prefix_buffer, "%s :", "nxge");
1755 		} else {
1756 			instance = nxgep->instance;
1757 			(void) sprintf(prefix_buffer,
1758 			    "%s%d :", "nxge", instance);
1759 		}
1760 
1761 		MUTEX_EXIT(&nxgedebuglock);
1762 		cmn_err(cmn_level, "!%s %s\n",
1763 		    prefix_buffer, msg_buffer);
1764 
1765 	}
1766 }
1767 
1768 char *
1769 nxge_dump_packet(char *addr, int size)
1770 {
1771 	uchar_t *ap = (uchar_t *)addr;
1772 	int i;
1773 	static char etherbuf[1024];
1774 	char *cp = etherbuf;
1775 	char digits[] = "0123456789abcdef";
1776 
1777 	if (!size)
1778 		size = 60;
1779 
1780 	if (size > MAX_DUMP_SZ) {
1781 		/* Dump the leading bytes */
1782 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1783 			if (*ap > 0x0f)
1784 				*cp++ = digits[*ap >> 4];
1785 			*cp++ = digits[*ap++ & 0xf];
1786 			*cp++ = ':';
1787 		}
1788 		for (i = 0; i < 20; i++)
1789 			*cp++ = '.';
1790 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1791 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ/2));
1792 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1793 			if (*ap > 0x0f)
1794 				*cp++ = digits[*ap >> 4];
1795 			*cp++ = digits[*ap++ & 0xf];
1796 			*cp++ = ':';
1797 		}
1798 	} else {
1799 		for (i = 0; i < size; i++) {
1800 			if (*ap > 0x0f)
1801 				*cp++ = digits[*ap >> 4];
1802 			*cp++ = digits[*ap++ & 0xf];
1803 			*cp++ = ':';
1804 		}
1805 	}
1806 	*--cp = 0;
1807 	return (etherbuf);
1808 }
1809 
1810 #ifdef	NXGE_DEBUG
1811 static void
1812 nxge_test_map_regs(p_nxge_t nxgep)
1813 {
1814 	ddi_acc_handle_t cfg_handle;
1815 	p_pci_cfg_t	cfg_ptr;
1816 	ddi_acc_handle_t dev_handle;
1817 	char		*dev_ptr;
1818 	ddi_acc_handle_t pci_config_handle;
1819 	uint32_t	regval;
1820 	int		i;
1821 
1822 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_test_map_regs"));
1823 
1824 	dev_handle = nxgep->dev_regs->nxge_regh;
1825 	dev_ptr = (char *)nxgep->dev_regs->nxge_regp;
1826 
1827 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1828 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1829 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1830 
1831 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1832 		    "Neptune PCI regp cfg_ptr 0x%llx", (char *)cfg_ptr));
1833 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1834 		    "Neptune PCI cfg_ptr vendor id ptr 0x%llx",
1835 		    &cfg_ptr->vendorid));
1836 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1837 		    "\tvendorid 0x%x devid 0x%x",
1838 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->vendorid, 0),
1839 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->devid,    0)));
1840 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1841 		    "PCI BAR: base 0x%x base14 0x%x base 18 0x%x "
1842 		    "bar1c 0x%x",
1843 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base,   0),
1844 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base14, 0),
1845 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base18, 0),
1846 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base1c, 0)));
1847 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1848 		    "\nNeptune PCI BAR: base20 0x%x base24 0x%x "
1849 		    "base 28 0x%x bar2c 0x%x\n",
1850 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base20, 0),
1851 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base24, 0),
1852 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base28, 0),
1853 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base2c, 0)));
1854 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1855 		    "\nNeptune PCI BAR: base30 0x%x\n",
1856 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base30, 0)));
1857 
1858 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1859 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1860 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1861 		    "first  0x%llx second 0x%llx third 0x%llx "
1862 		    "last 0x%llx ",
1863 		    NXGE_PIO_READ64(dev_handle,
1864 		    (uint64_t *)(dev_ptr + 0),  0),
1865 		    NXGE_PIO_READ64(dev_handle,
1866 		    (uint64_t *)(dev_ptr + 8),  0),
1867 		    NXGE_PIO_READ64(dev_handle,
1868 		    (uint64_t *)(dev_ptr + 16), 0),
1869 		    NXGE_PIO_READ64(cfg_handle,
1870 		    (uint64_t *)(dev_ptr + 24), 0)));
1871 	}
1872 }
1873 
1874 #endif
1875 
1876 static void
1877 nxge_suspend(p_nxge_t nxgep)
1878 {
1879 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_suspend"));
1880 
1881 	nxge_intrs_disable(nxgep);
1882 	nxge_destroy_dev(nxgep);
1883 
1884 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_suspend"));
1885 }
1886 
1887 static nxge_status_t
1888 nxge_resume(p_nxge_t nxgep)
1889 {
1890 	nxge_status_t status = NXGE_OK;
1891 
1892 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_resume"));
1893 
1894 	nxgep->suspended = DDI_RESUME;
1895 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1896 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_START);
1897 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_START);
1898 	(void) nxge_rx_mac_enable(nxgep);
1899 	(void) nxge_tx_mac_enable(nxgep);
1900 	nxge_intrs_enable(nxgep);
1901 	nxgep->suspended = 0;
1902 
1903 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1904 	    "<== nxge_resume status = 0x%x", status));
1905 	return (status);
1906 }
1907 
1908 static nxge_status_t
1909 nxge_setup_dev(p_nxge_t nxgep)
1910 {
1911 	nxge_status_t	status = NXGE_OK;
1912 
1913 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_dev port %d",
1914 	    nxgep->mac.portnum));
1915 
1916 	status = nxge_link_init(nxgep);
1917 
1918 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1919 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1920 		    "port%d Bad register acc handle", nxgep->mac.portnum));
1921 		status = NXGE_ERROR;
1922 	}
1923 
1924 	if (status != NXGE_OK) {
1925 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1926 		    " nxge_setup_dev status "
1927 		    "(xcvr init 0x%08x)", status));
1928 		goto nxge_setup_dev_exit;
1929 	}
1930 
1931 nxge_setup_dev_exit:
1932 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1933 	    "<== nxge_setup_dev port %d status = 0x%08x",
1934 	    nxgep->mac.portnum, status));
1935 
1936 	return (status);
1937 }
1938 
1939 static void
1940 nxge_destroy_dev(p_nxge_t nxgep)
1941 {
1942 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_dev"));
1943 
1944 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1945 
1946 	(void) nxge_hw_stop(nxgep);
1947 
1948 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_dev"));
1949 }
1950 
1951 static nxge_status_t
1952 nxge_setup_system_dma_pages(p_nxge_t nxgep)
1953 {
1954 	int 			ddi_status = DDI_SUCCESS;
1955 	uint_t 			count;
1956 	ddi_dma_cookie_t 	cookie;
1957 	uint_t 			iommu_pagesize;
1958 	nxge_status_t		status = NXGE_OK;
1959 
1960 	NXGE_ERROR_MSG((nxgep, DDI_CTL, "==> nxge_setup_system_dma_pages"));
1961 	nxgep->sys_page_sz = ddi_ptob(nxgep->dip, (ulong_t)1);
1962 	if (nxgep->niu_type != N2_NIU) {
1963 		iommu_pagesize = dvma_pagesize(nxgep->dip);
1964 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1965 		    " nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1966 		    " default_block_size %d iommu_pagesize %d",
1967 		    nxgep->sys_page_sz,
1968 		    ddi_ptob(nxgep->dip, (ulong_t)1),
1969 		    nxgep->rx_default_block_size,
1970 		    iommu_pagesize));
1971 
1972 		if (iommu_pagesize != 0) {
1973 			if (nxgep->sys_page_sz == iommu_pagesize) {
1974 				if (iommu_pagesize > 0x4000)
1975 					nxgep->sys_page_sz = 0x4000;
1976 			} else {
1977 				if (nxgep->sys_page_sz > iommu_pagesize)
1978 					nxgep->sys_page_sz = iommu_pagesize;
1979 			}
1980 		}
1981 	}
1982 	nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1983 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1984 	    "==> nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1985 	    "default_block_size %d page mask %d",
1986 	    nxgep->sys_page_sz,
1987 	    ddi_ptob(nxgep->dip, (ulong_t)1),
1988 	    nxgep->rx_default_block_size,
1989 	    nxgep->sys_page_mask));
1990 
1991 
1992 	switch (nxgep->sys_page_sz) {
1993 	default:
1994 		nxgep->sys_page_sz = 0x1000;
1995 		nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1996 		nxgep->rx_default_block_size = 0x1000;
1997 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1998 		break;
1999 	case 0x1000:
2000 		nxgep->rx_default_block_size = 0x1000;
2001 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
2002 		break;
2003 	case 0x2000:
2004 		nxgep->rx_default_block_size = 0x2000;
2005 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
2006 		break;
2007 	case 0x4000:
2008 		nxgep->rx_default_block_size = 0x4000;
2009 		nxgep->rx_bksize_code = RBR_BKSIZE_16K;
2010 		break;
2011 	case 0x8000:
2012 		nxgep->rx_default_block_size = 0x8000;
2013 		nxgep->rx_bksize_code = RBR_BKSIZE_32K;
2014 		break;
2015 	}
2016 
2017 #ifndef USE_RX_BIG_BUF
2018 	nxge_rx_dma_attr.dma_attr_align = nxgep->sys_page_sz;
2019 #else
2020 		nxgep->rx_default_block_size = 0x2000;
2021 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
2022 #endif
2023 	/*
2024 	 * Get the system DMA burst size.
2025 	 */
2026 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, &nxge_tx_dma_attr,
2027 	    DDI_DMA_DONTWAIT, 0,
2028 	    &nxgep->dmasparehandle);
2029 	if (ddi_status != DDI_SUCCESS) {
2030 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2031 		    "ddi_dma_alloc_handle: failed "
2032 		    " status 0x%x", ddi_status));
2033 		goto nxge_get_soft_properties_exit;
2034 	}
2035 
2036 	ddi_status = ddi_dma_addr_bind_handle(nxgep->dmasparehandle, NULL,
2037 	    (caddr_t)nxgep->dmasparehandle,
2038 	    sizeof (nxgep->dmasparehandle),
2039 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2040 	    DDI_DMA_DONTWAIT, 0,
2041 	    &cookie, &count);
2042 	if (ddi_status != DDI_DMA_MAPPED) {
2043 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2044 		    "Binding spare handle to find system"
2045 		    " burstsize failed."));
2046 		ddi_status = DDI_FAILURE;
2047 		goto nxge_get_soft_properties_fail1;
2048 	}
2049 
2050 	nxgep->sys_burst_sz = ddi_dma_burstsizes(nxgep->dmasparehandle);
2051 	(void) ddi_dma_unbind_handle(nxgep->dmasparehandle);
2052 
2053 nxge_get_soft_properties_fail1:
2054 	ddi_dma_free_handle(&nxgep->dmasparehandle);
2055 
2056 nxge_get_soft_properties_exit:
2057 
2058 	if (ddi_status != DDI_SUCCESS)
2059 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2060 
2061 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2062 	    "<== nxge_setup_system_dma_pages status = 0x%08x", status));
2063 	return (status);
2064 }
2065 
2066 static nxge_status_t
2067 nxge_alloc_mem_pool(p_nxge_t nxgep)
2068 {
2069 	nxge_status_t	status = NXGE_OK;
2070 
2071 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_alloc_mem_pool"));
2072 
2073 	status = nxge_alloc_rx_mem_pool(nxgep);
2074 	if (status != NXGE_OK) {
2075 		return (NXGE_ERROR);
2076 	}
2077 
2078 	status = nxge_alloc_tx_mem_pool(nxgep);
2079 	if (status != NXGE_OK) {
2080 		nxge_free_rx_mem_pool(nxgep);
2081 		return (NXGE_ERROR);
2082 	}
2083 
2084 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_alloc_mem_pool"));
2085 	return (NXGE_OK);
2086 }
2087 
2088 static void
2089 nxge_free_mem_pool(p_nxge_t nxgep)
2090 {
2091 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_mem_pool"));
2092 
2093 	nxge_free_rx_mem_pool(nxgep);
2094 	nxge_free_tx_mem_pool(nxgep);
2095 
2096 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_mem_pool"));
2097 }
2098 
2099 nxge_status_t
2100 nxge_alloc_rx_mem_pool(p_nxge_t nxgep)
2101 {
2102 	uint32_t		rdc_max;
2103 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
2104 	p_nxge_hw_pt_cfg_t	p_cfgp;
2105 	p_nxge_dma_pool_t	dma_poolp;
2106 	p_nxge_dma_common_t	*dma_buf_p;
2107 	p_nxge_dma_pool_t	dma_cntl_poolp;
2108 	p_nxge_dma_common_t	*dma_cntl_p;
2109 	uint32_t 		*num_chunks; /* per dma */
2110 	nxge_status_t		status = NXGE_OK;
2111 
2112 	uint32_t		nxge_port_rbr_size;
2113 	uint32_t		nxge_port_rbr_spare_size;
2114 	uint32_t		nxge_port_rcr_size;
2115 	uint32_t		rx_cntl_alloc_size;
2116 
2117 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_mem_pool"));
2118 
2119 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
2120 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
2121 	rdc_max = NXGE_MAX_RDCS;
2122 
2123 	/*
2124 	 * Allocate memory for the common DMA data structures.
2125 	 */
2126 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2127 	    KM_SLEEP);
2128 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2129 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2130 
2131 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2132 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2133 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2134 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2135 
2136 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2137 	    sizeof (uint32_t) * rdc_max, KM_SLEEP);
2138 
2139 	/*
2140 	 * Assume that each DMA channel will be configured with
2141 	 * the default block size.
2142 	 * rbr block counts are modulo the batch count (16).
2143 	 */
2144 	nxge_port_rbr_size = p_all_cfgp->rbr_size;
2145 	nxge_port_rcr_size = p_all_cfgp->rcr_size;
2146 
2147 	if (!nxge_port_rbr_size) {
2148 		nxge_port_rbr_size = NXGE_RBR_RBB_DEFAULT;
2149 	}
2150 	if (nxge_port_rbr_size % NXGE_RXDMA_POST_BATCH) {
2151 		nxge_port_rbr_size = (NXGE_RXDMA_POST_BATCH *
2152 		    (nxge_port_rbr_size / NXGE_RXDMA_POST_BATCH + 1));
2153 	}
2154 
2155 	p_all_cfgp->rbr_size = nxge_port_rbr_size;
2156 	nxge_port_rbr_spare_size = nxge_rbr_spare_size;
2157 
2158 	if (nxge_port_rbr_spare_size % NXGE_RXDMA_POST_BATCH) {
2159 		nxge_port_rbr_spare_size = (NXGE_RXDMA_POST_BATCH *
2160 		    (nxge_port_rbr_spare_size / NXGE_RXDMA_POST_BATCH + 1));
2161 	}
2162 	if (nxge_port_rbr_size > RBR_DEFAULT_MAX_BLKS) {
2163 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2164 		    "nxge_alloc_rx_mem_pool: RBR size too high %d, "
2165 		    "set to default %d",
2166 		    nxge_port_rbr_size, RBR_DEFAULT_MAX_BLKS));
2167 		nxge_port_rbr_size = RBR_DEFAULT_MAX_BLKS;
2168 	}
2169 	if (nxge_port_rcr_size > RCR_DEFAULT_MAX) {
2170 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2171 		    "nxge_alloc_rx_mem_pool: RCR too high %d, "
2172 		    "set to default %d",
2173 		    nxge_port_rcr_size, RCR_DEFAULT_MAX));
2174 		nxge_port_rcr_size = RCR_DEFAULT_MAX;
2175 	}
2176 
2177 	/*
2178 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2179 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2180 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2181 	 * function).
2182 	 */
2183 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2184 	if (nxgep->niu_type == N2_NIU) {
2185 		nxge_port_rbr_spare_size = 0;
2186 		if ((nxge_port_rbr_size > NXGE_NIU_CONTIG_RBR_MAX) ||
2187 		    (!ISP2(nxge_port_rbr_size))) {
2188 			nxge_port_rbr_size = NXGE_NIU_CONTIG_RBR_MAX;
2189 		}
2190 		if ((nxge_port_rcr_size > NXGE_NIU_CONTIG_RCR_MAX) ||
2191 		    (!ISP2(nxge_port_rcr_size))) {
2192 			nxge_port_rcr_size = NXGE_NIU_CONTIG_RCR_MAX;
2193 		}
2194 	}
2195 #endif
2196 
2197 	/*
2198 	 * Addresses of receive block ring, receive completion ring and the
2199 	 * mailbox must be all cache-aligned (64 bytes).
2200 	 */
2201 	rx_cntl_alloc_size = nxge_port_rbr_size + nxge_port_rbr_spare_size;
2202 	rx_cntl_alloc_size *= (sizeof (rx_desc_t));
2203 	rx_cntl_alloc_size += (sizeof (rcr_entry_t) * nxge_port_rcr_size);
2204 	rx_cntl_alloc_size += sizeof (rxdma_mailbox_t);
2205 
2206 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_alloc_rx_mem_pool: "
2207 	    "nxge_port_rbr_size = %d nxge_port_rbr_spare_size = %d "
2208 	    "nxge_port_rcr_size = %d "
2209 	    "rx_cntl_alloc_size = %d",
2210 	    nxge_port_rbr_size, nxge_port_rbr_spare_size,
2211 	    nxge_port_rcr_size,
2212 	    rx_cntl_alloc_size));
2213 
2214 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2215 	if (nxgep->niu_type == N2_NIU) {
2216 		uint32_t rx_buf_alloc_size = (nxgep->rx_default_block_size *
2217 		    (nxge_port_rbr_size + nxge_port_rbr_spare_size));
2218 
2219 		if (!ISP2(rx_buf_alloc_size)) {
2220 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2221 			    "==> nxge_alloc_rx_mem_pool: "
2222 			    " must be power of 2"));
2223 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2224 			goto nxge_alloc_rx_mem_pool_exit;
2225 		}
2226 
2227 		if (rx_buf_alloc_size > (1 << 22)) {
2228 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2229 			    "==> nxge_alloc_rx_mem_pool: "
2230 			    " limit size to 4M"));
2231 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2232 			goto nxge_alloc_rx_mem_pool_exit;
2233 		}
2234 
2235 		if (rx_cntl_alloc_size < 0x2000) {
2236 			rx_cntl_alloc_size = 0x2000;
2237 		}
2238 	}
2239 #endif
2240 	nxgep->nxge_port_rbr_size = nxge_port_rbr_size;
2241 	nxgep->nxge_port_rcr_size = nxge_port_rcr_size;
2242 	nxgep->nxge_port_rbr_spare_size = nxge_port_rbr_spare_size;
2243 	nxgep->nxge_port_rx_cntl_alloc_size = rx_cntl_alloc_size;
2244 
2245 	dma_poolp->ndmas = p_cfgp->max_rdcs;
2246 	dma_poolp->num_chunks = num_chunks;
2247 	dma_poolp->buf_allocated = B_TRUE;
2248 	nxgep->rx_buf_pool_p = dma_poolp;
2249 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2250 
2251 	dma_cntl_poolp->ndmas = p_cfgp->max_rdcs;
2252 	dma_cntl_poolp->buf_allocated = B_TRUE;
2253 	nxgep->rx_cntl_pool_p = dma_cntl_poolp;
2254 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2255 
2256 	/* Allocate the receive rings, too. */
2257 	nxgep->rx_rbr_rings =
2258 	    KMEM_ZALLOC(sizeof (rx_rbr_rings_t), KM_SLEEP);
2259 	nxgep->rx_rbr_rings->rbr_rings =
2260 	    KMEM_ZALLOC(sizeof (p_rx_rbr_ring_t) * rdc_max, KM_SLEEP);
2261 	nxgep->rx_rcr_rings =
2262 	    KMEM_ZALLOC(sizeof (rx_rcr_rings_t), KM_SLEEP);
2263 	nxgep->rx_rcr_rings->rcr_rings =
2264 	    KMEM_ZALLOC(sizeof (p_rx_rcr_ring_t) * rdc_max, KM_SLEEP);
2265 	nxgep->rx_mbox_areas_p =
2266 	    KMEM_ZALLOC(sizeof (rx_mbox_areas_t), KM_SLEEP);
2267 	nxgep->rx_mbox_areas_p->rxmbox_areas =
2268 	    KMEM_ZALLOC(sizeof (p_rx_mbox_t) * rdc_max, KM_SLEEP);
2269 
2270 	nxgep->rx_rbr_rings->ndmas = nxgep->rx_rcr_rings->ndmas =
2271 	    p_cfgp->max_rdcs;
2272 
2273 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2274 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2275 
2276 nxge_alloc_rx_mem_pool_exit:
2277 	return (status);
2278 }
2279 
2280 /*
2281  * nxge_alloc_rxb
2282  *
2283  *	Allocate buffers for an RDC.
2284  *
2285  * Arguments:
2286  * 	nxgep
2287  * 	channel	The channel to map into our kernel space.
2288  *
2289  * Notes:
2290  *
2291  * NPI function calls:
2292  *
2293  * NXGE function calls:
2294  *
2295  * Registers accessed:
2296  *
2297  * Context:
2298  *
2299  * Taking apart:
2300  *
2301  * Open questions:
2302  *
2303  */
2304 nxge_status_t
2305 nxge_alloc_rxb(
2306 	p_nxge_t nxgep,
2307 	int channel)
2308 {
2309 	size_t			rx_buf_alloc_size;
2310 	nxge_status_t		status = NXGE_OK;
2311 
2312 	nxge_dma_common_t	**data;
2313 	nxge_dma_common_t	**control;
2314 	uint32_t 		*num_chunks;
2315 
2316 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2317 
2318 	/*
2319 	 * Allocate memory for the receive buffers and descriptor rings.
2320 	 * Replace these allocation functions with the interface functions
2321 	 * provided by the partition manager if/when they are available.
2322 	 */
2323 
2324 	/*
2325 	 * Allocate memory for the receive buffer blocks.
2326 	 */
2327 	rx_buf_alloc_size = (nxgep->rx_default_block_size *
2328 	    (nxgep->nxge_port_rbr_size + nxgep->nxge_port_rbr_spare_size));
2329 
2330 	data = &nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2331 	num_chunks = &nxgep->rx_buf_pool_p->num_chunks[channel];
2332 
2333 	if ((status = nxge_alloc_rx_buf_dma(
2334 	    nxgep, channel, data, rx_buf_alloc_size,
2335 	    nxgep->rx_default_block_size, num_chunks)) != NXGE_OK) {
2336 		return (status);
2337 	}
2338 
2339 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_alloc_rxb(): "
2340 	    "dma %d dma_buf_p %llx &dma_buf_p %llx", channel, *data, data));
2341 
2342 	/*
2343 	 * Allocate memory for descriptor rings and mailbox.
2344 	 */
2345 	control = &nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2346 
2347 	if ((status = nxge_alloc_rx_cntl_dma(
2348 	    nxgep, channel, control, nxgep->nxge_port_rx_cntl_alloc_size))
2349 	    != NXGE_OK) {
2350 		nxge_free_rx_cntl_dma(nxgep, *control);
2351 		(*data)->buf_alloc_state |= BUF_ALLOCATED_WAIT_FREE;
2352 		nxge_free_rx_buf_dma(nxgep, *data, *num_chunks);
2353 		return (status);
2354 	}
2355 
2356 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2357 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2358 
2359 	return (status);
2360 }
2361 
2362 void
2363 nxge_free_rxb(
2364 	p_nxge_t nxgep,
2365 	int channel)
2366 {
2367 	nxge_dma_common_t	*data;
2368 	nxge_dma_common_t	*control;
2369 	uint32_t 		num_chunks;
2370 
2371 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2372 
2373 	data = nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2374 	num_chunks = nxgep->rx_buf_pool_p->num_chunks[channel];
2375 	nxge_free_rx_buf_dma(nxgep, data, num_chunks);
2376 
2377 	nxgep->rx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2378 	nxgep->rx_buf_pool_p->num_chunks[channel] = 0;
2379 
2380 	control = nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2381 	nxge_free_rx_cntl_dma(nxgep, control);
2382 
2383 	nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2384 
2385 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2386 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2387 
2388 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_alloc_rbb"));
2389 }
2390 
2391 static void
2392 nxge_free_rx_mem_pool(p_nxge_t nxgep)
2393 {
2394 	int rdc_max = NXGE_MAX_RDCS;
2395 
2396 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_mem_pool"));
2397 
2398 	if (!nxgep->rx_buf_pool_p || !nxgep->rx_buf_pool_p->buf_allocated) {
2399 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2400 		    "<== nxge_free_rx_mem_pool "
2401 		    "(null rx buf pool or buf not allocated"));
2402 		return;
2403 	}
2404 	if (!nxgep->rx_cntl_pool_p || !nxgep->rx_cntl_pool_p->buf_allocated) {
2405 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2406 		    "<== nxge_free_rx_mem_pool "
2407 		    "(null rx cntl buf pool or cntl buf not allocated"));
2408 		return;
2409 	}
2410 
2411 	KMEM_FREE(nxgep->rx_cntl_pool_p->dma_buf_pool_p,
2412 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2413 	KMEM_FREE(nxgep->rx_cntl_pool_p, sizeof (nxge_dma_pool_t));
2414 
2415 	KMEM_FREE(nxgep->rx_buf_pool_p->num_chunks,
2416 	    sizeof (uint32_t) * rdc_max);
2417 	KMEM_FREE(nxgep->rx_buf_pool_p->dma_buf_pool_p,
2418 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2419 	KMEM_FREE(nxgep->rx_buf_pool_p, sizeof (nxge_dma_pool_t));
2420 
2421 	nxgep->rx_buf_pool_p = 0;
2422 	nxgep->rx_cntl_pool_p = 0;
2423 
2424 	KMEM_FREE(nxgep->rx_rbr_rings->rbr_rings,
2425 	    sizeof (p_rx_rbr_ring_t) * rdc_max);
2426 	KMEM_FREE(nxgep->rx_rbr_rings, sizeof (rx_rbr_rings_t));
2427 	KMEM_FREE(nxgep->rx_rcr_rings->rcr_rings,
2428 	    sizeof (p_rx_rcr_ring_t) * rdc_max);
2429 	KMEM_FREE(nxgep->rx_rcr_rings, sizeof (rx_rcr_rings_t));
2430 	KMEM_FREE(nxgep->rx_mbox_areas_p->rxmbox_areas,
2431 	    sizeof (p_rx_mbox_t) * rdc_max);
2432 	KMEM_FREE(nxgep->rx_mbox_areas_p, sizeof (rx_mbox_areas_t));
2433 
2434 	nxgep->rx_rbr_rings = 0;
2435 	nxgep->rx_rcr_rings = 0;
2436 	nxgep->rx_mbox_areas_p = 0;
2437 
2438 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_rx_mem_pool"));
2439 }
2440 
2441 
2442 static nxge_status_t
2443 nxge_alloc_rx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2444 	p_nxge_dma_common_t *dmap,
2445 	size_t alloc_size, size_t block_size, uint32_t *num_chunks)
2446 {
2447 	p_nxge_dma_common_t 	rx_dmap;
2448 	nxge_status_t		status = NXGE_OK;
2449 	size_t			total_alloc_size;
2450 	size_t			allocated = 0;
2451 	int			i, size_index, array_size;
2452 	boolean_t		use_kmem_alloc = B_FALSE;
2453 
2454 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_buf_dma"));
2455 
2456 	rx_dmap = (p_nxge_dma_common_t)
2457 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2458 	    KM_SLEEP);
2459 
2460 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2461 	    " alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
2462 	    dma_channel, alloc_size, block_size, dmap));
2463 
2464 	total_alloc_size = alloc_size;
2465 
2466 #if defined(RX_USE_RECLAIM_POST)
2467 	total_alloc_size = alloc_size + alloc_size/4;
2468 #endif
2469 
2470 	i = 0;
2471 	size_index = 0;
2472 	array_size =  sizeof (alloc_sizes)/sizeof (size_t);
2473 	while ((alloc_sizes[size_index] < alloc_size) &&
2474 	    (size_index < array_size))
2475 		size_index++;
2476 	if (size_index >= array_size) {
2477 		size_index = array_size - 1;
2478 	}
2479 
2480 	/* For Neptune, use kmem_alloc if the kmem flag is set. */
2481 	if (nxgep->niu_type != N2_NIU && nxge_use_kmem_alloc) {
2482 		use_kmem_alloc = B_TRUE;
2483 #if defined(__i386) || defined(__amd64)
2484 		size_index = 0;
2485 #endif
2486 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2487 		    "==> nxge_alloc_rx_buf_dma: "
2488 		    "Neptune use kmem_alloc() - size_index %d",
2489 		    size_index));
2490 	}
2491 
2492 	while ((allocated < total_alloc_size) &&
2493 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2494 		rx_dmap[i].dma_chunk_index = i;
2495 		rx_dmap[i].block_size = block_size;
2496 		rx_dmap[i].alength = alloc_sizes[size_index];
2497 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
2498 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2499 		rx_dmap[i].dma_channel = dma_channel;
2500 		rx_dmap[i].contig_alloc_type = B_FALSE;
2501 		rx_dmap[i].kmem_alloc_type = B_FALSE;
2502 		rx_dmap[i].buf_alloc_type = DDI_MEM_ALLOC;
2503 
2504 		/*
2505 		 * N2/NIU: data buffers must be contiguous as the driver
2506 		 *	   needs to call Hypervisor api to set up
2507 		 *	   logical pages.
2508 		 */
2509 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2510 			rx_dmap[i].contig_alloc_type = B_TRUE;
2511 			rx_dmap[i].buf_alloc_type = CONTIG_MEM_ALLOC;
2512 		} else if (use_kmem_alloc) {
2513 			/* For Neptune, use kmem_alloc */
2514 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2515 			    "==> nxge_alloc_rx_buf_dma: "
2516 			    "Neptune use kmem_alloc()"));
2517 			rx_dmap[i].kmem_alloc_type = B_TRUE;
2518 			rx_dmap[i].buf_alloc_type = KMEM_ALLOC;
2519 		}
2520 
2521 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2522 		    "alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
2523 		    "i %d nblocks %d alength %d",
2524 		    dma_channel, i, &rx_dmap[i], block_size,
2525 		    i, rx_dmap[i].nblocks,
2526 		    rx_dmap[i].alength));
2527 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2528 		    &nxge_rx_dma_attr,
2529 		    rx_dmap[i].alength,
2530 		    &nxge_dev_buf_dma_acc_attr,
2531 		    DDI_DMA_READ | DDI_DMA_STREAMING,
2532 		    (p_nxge_dma_common_t)(&rx_dmap[i]));
2533 		if (status != NXGE_OK) {
2534 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2535 			    "nxge_alloc_rx_buf_dma: Alloc Failed: "
2536 			    "dma %d size_index %d size requested %d",
2537 			    dma_channel,
2538 			    size_index,
2539 			    rx_dmap[i].alength));
2540 			size_index--;
2541 		} else {
2542 			rx_dmap[i].buf_alloc_state = BUF_ALLOCATED;
2543 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2544 			    " nxge_alloc_rx_buf_dma DONE  alloc mem: "
2545 			    "dma %d dma_buf_p $%p kaddrp $%p alength %d "
2546 			    "buf_alloc_state %d alloc_type %d",
2547 			    dma_channel,
2548 			    &rx_dmap[i],
2549 			    rx_dmap[i].kaddrp,
2550 			    rx_dmap[i].alength,
2551 			    rx_dmap[i].buf_alloc_state,
2552 			    rx_dmap[i].buf_alloc_type));
2553 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2554 			    " alloc_rx_buf_dma allocated rdc %d "
2555 			    "chunk %d size %x dvma %x bufp %llx kaddrp $%p",
2556 			    dma_channel, i, rx_dmap[i].alength,
2557 			    rx_dmap[i].ioaddr_pp, &rx_dmap[i],
2558 			    rx_dmap[i].kaddrp));
2559 			i++;
2560 			allocated += alloc_sizes[size_index];
2561 		}
2562 	}
2563 
2564 	if (allocated < total_alloc_size) {
2565 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2566 		    "==> nxge_alloc_rx_buf_dma: not enough for channel %d "
2567 		    "allocated 0x%x requested 0x%x",
2568 		    dma_channel,
2569 		    allocated, total_alloc_size));
2570 		status = NXGE_ERROR;
2571 		goto nxge_alloc_rx_mem_fail1;
2572 	}
2573 
2574 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2575 	    "==> nxge_alloc_rx_buf_dma: Allocated for channel %d "
2576 	    "allocated 0x%x requested 0x%x",
2577 	    dma_channel,
2578 	    allocated, total_alloc_size));
2579 
2580 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2581 	    " alloc_rx_buf_dma rdc %d allocated %d chunks",
2582 	    dma_channel, i));
2583 	*num_chunks = i;
2584 	*dmap = rx_dmap;
2585 
2586 	goto nxge_alloc_rx_mem_exit;
2587 
2588 nxge_alloc_rx_mem_fail1:
2589 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2590 
2591 nxge_alloc_rx_mem_exit:
2592 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2593 	    "<== nxge_alloc_rx_buf_dma status 0x%08x", status));
2594 
2595 	return (status);
2596 }
2597 
2598 /*ARGSUSED*/
2599 static void
2600 nxge_free_rx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2601     uint32_t num_chunks)
2602 {
2603 	int		i;
2604 
2605 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2606 	    "==> nxge_free_rx_buf_dma: # of chunks %d", num_chunks));
2607 
2608 	if (dmap == 0)
2609 		return;
2610 
2611 	for (i = 0; i < num_chunks; i++) {
2612 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2613 		    "==> nxge_free_rx_buf_dma: chunk %d dmap 0x%llx",
2614 		    i, dmap));
2615 		nxge_dma_free_rx_data_buf(dmap++);
2616 	}
2617 
2618 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_buf_dma"));
2619 }
2620 
2621 /*ARGSUSED*/
2622 static nxge_status_t
2623 nxge_alloc_rx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2624     p_nxge_dma_common_t *dmap, size_t size)
2625 {
2626 	p_nxge_dma_common_t 	rx_dmap;
2627 	nxge_status_t		status = NXGE_OK;
2628 
2629 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_cntl_dma"));
2630 
2631 	rx_dmap = (p_nxge_dma_common_t)
2632 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2633 
2634 	rx_dmap->contig_alloc_type = B_FALSE;
2635 	rx_dmap->kmem_alloc_type = B_FALSE;
2636 
2637 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2638 	    &nxge_desc_dma_attr,
2639 	    size,
2640 	    &nxge_dev_desc_dma_acc_attr,
2641 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2642 	    rx_dmap);
2643 	if (status != NXGE_OK) {
2644 		goto nxge_alloc_rx_cntl_dma_fail1;
2645 	}
2646 
2647 	*dmap = rx_dmap;
2648 	goto nxge_alloc_rx_cntl_dma_exit;
2649 
2650 nxge_alloc_rx_cntl_dma_fail1:
2651 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t));
2652 
2653 nxge_alloc_rx_cntl_dma_exit:
2654 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2655 	    "<== nxge_alloc_rx_cntl_dma status 0x%08x", status));
2656 
2657 	return (status);
2658 }
2659 
2660 /*ARGSUSED*/
2661 static void
2662 nxge_free_rx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2663 {
2664 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_rx_cntl_dma"));
2665 
2666 	if (dmap == 0)
2667 		return;
2668 
2669 	nxge_dma_mem_free(dmap);
2670 
2671 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_rx_cntl_dma"));
2672 }
2673 
2674 typedef struct {
2675 	size_t	tx_size;
2676 	size_t	cr_size;
2677 	size_t	threshhold;
2678 } nxge_tdc_sizes_t;
2679 
2680 static
2681 nxge_status_t
2682 nxge_tdc_sizes(
2683 	nxge_t *nxgep,
2684 	nxge_tdc_sizes_t *sizes)
2685 {
2686 	uint32_t threshhold;	/* The bcopy() threshhold */
2687 	size_t tx_size;		/* Transmit buffer size */
2688 	size_t cr_size;		/* Completion ring size */
2689 
2690 	/*
2691 	 * Assume that each DMA channel will be configured with the
2692 	 * default transmit buffer size for copying transmit data.
2693 	 * (If a packet is bigger than this, it will not be copied.)
2694 	 */
2695 	if (nxgep->niu_type == N2_NIU) {
2696 		threshhold = TX_BCOPY_SIZE;
2697 	} else {
2698 		threshhold = nxge_bcopy_thresh;
2699 	}
2700 	tx_size = nxge_tx_ring_size * threshhold;
2701 
2702 	cr_size = nxge_tx_ring_size * sizeof (tx_desc_t);
2703 	cr_size += sizeof (txdma_mailbox_t);
2704 
2705 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2706 	if (nxgep->niu_type == N2_NIU) {
2707 		if (!ISP2(tx_size)) {
2708 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2709 			    "==> nxge_tdc_sizes: Tx size"
2710 			    " must be power of 2"));
2711 			return (NXGE_ERROR);
2712 		}
2713 
2714 		if (tx_size > (1 << 22)) {
2715 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2716 			    "==> nxge_tdc_sizes: Tx size"
2717 			    " limited to 4M"));
2718 			return (NXGE_ERROR);
2719 		}
2720 
2721 		if (cr_size < 0x2000)
2722 			cr_size = 0x2000;
2723 	}
2724 #endif
2725 
2726 	sizes->threshhold = threshhold;
2727 	sizes->tx_size = tx_size;
2728 	sizes->cr_size = cr_size;
2729 
2730 	return (NXGE_OK);
2731 }
2732 /*
2733  * nxge_alloc_txb
2734  *
2735  *	Allocate buffers for an TDC.
2736  *
2737  * Arguments:
2738  * 	nxgep
2739  * 	channel	The channel to map into our kernel space.
2740  *
2741  * Notes:
2742  *
2743  * NPI function calls:
2744  *
2745  * NXGE function calls:
2746  *
2747  * Registers accessed:
2748  *
2749  * Context:
2750  *
2751  * Taking apart:
2752  *
2753  * Open questions:
2754  *
2755  */
2756 nxge_status_t
2757 nxge_alloc_txb(
2758 	p_nxge_t nxgep,
2759 	int channel)
2760 {
2761 	nxge_dma_common_t	**dma_buf_p;
2762 	nxge_dma_common_t	**dma_cntl_p;
2763 	uint32_t 		*num_chunks;
2764 	nxge_status_t		status = NXGE_OK;
2765 
2766 	nxge_tdc_sizes_t	sizes;
2767 
2768 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tbb"));
2769 
2770 	if (nxge_tdc_sizes(nxgep, &sizes) != NXGE_OK)
2771 		return (NXGE_ERROR);
2772 
2773 	/*
2774 	 * Allocate memory for transmit buffers and descriptor rings.
2775 	 * Replace these allocation functions with the interface functions
2776 	 * provided by the partition manager Real Soon Now.
2777 	 */
2778 	dma_buf_p = &nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2779 	num_chunks = &nxgep->tx_buf_pool_p->num_chunks[channel];
2780 
2781 	dma_cntl_p = &nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2782 
2783 	/*
2784 	 * Allocate memory for transmit buffers and descriptor rings.
2785 	 * Replace allocation functions with interface functions provided
2786 	 * by the partition manager when it is available.
2787 	 *
2788 	 * Allocate memory for the transmit buffer pool.
2789 	 */
2790 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2791 	    "sizes: tx: %ld, cr:%ld, th:%ld",
2792 	    sizes.tx_size, sizes.cr_size, sizes.threshhold));
2793 
2794 	*num_chunks = 0;
2795 	status = nxge_alloc_tx_buf_dma(nxgep, channel, dma_buf_p,
2796 	    sizes.tx_size, sizes.threshhold, num_chunks);
2797 	if (status != NXGE_OK) {
2798 		cmn_err(CE_NOTE, "nxge_alloc_tx_buf_dma failed!");
2799 		return (status);
2800 	}
2801 
2802 	/*
2803 	 * Allocate memory for descriptor rings and mailbox.
2804 	 */
2805 	status = nxge_alloc_tx_cntl_dma(nxgep, channel, dma_cntl_p,
2806 	    sizes.cr_size);
2807 	if (status != NXGE_OK) {
2808 		nxge_free_tx_buf_dma(nxgep, *dma_buf_p, *num_chunks);
2809 		cmn_err(CE_NOTE, "nxge_alloc_tx_cntl_dma failed!");
2810 		return (status);
2811 	}
2812 
2813 	return (NXGE_OK);
2814 }
2815 
2816 void
2817 nxge_free_txb(
2818 	p_nxge_t nxgep,
2819 	int channel)
2820 {
2821 	nxge_dma_common_t	*data;
2822 	nxge_dma_common_t	*control;
2823 	uint32_t 		num_chunks;
2824 
2825 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_txb"));
2826 
2827 	data = nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2828 	num_chunks = nxgep->tx_buf_pool_p->num_chunks[channel];
2829 	nxge_free_tx_buf_dma(nxgep, data, num_chunks);
2830 
2831 	nxgep->tx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2832 	nxgep->tx_buf_pool_p->num_chunks[channel] = 0;
2833 
2834 	control = nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2835 	nxge_free_tx_cntl_dma(nxgep, control);
2836 
2837 	nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2838 
2839 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2840 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2841 
2842 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_txb"));
2843 }
2844 
2845 /*
2846  * nxge_alloc_tx_mem_pool
2847  *
2848  *	This function allocates all of the per-port TDC control data structures.
2849  *	The per-channel (TDC) data structures are allocated when needed.
2850  *
2851  * Arguments:
2852  * 	nxgep
2853  *
2854  * Notes:
2855  *
2856  * Context:
2857  *	Any domain
2858  */
2859 nxge_status_t
2860 nxge_alloc_tx_mem_pool(p_nxge_t nxgep)
2861 {
2862 	nxge_hw_pt_cfg_t	*p_cfgp;
2863 	nxge_dma_pool_t		*dma_poolp;
2864 	nxge_dma_common_t	**dma_buf_p;
2865 	nxge_dma_pool_t		*dma_cntl_poolp;
2866 	nxge_dma_common_t	**dma_cntl_p;
2867 	uint32_t		*num_chunks; /* per dma */
2868 	int			tdc_max;
2869 
2870 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool"));
2871 
2872 	p_cfgp = &nxgep->pt_config.hw_config;
2873 	tdc_max = NXGE_MAX_TDCS;
2874 
2875 	/*
2876 	 * Allocate memory for each transmit DMA channel.
2877 	 */
2878 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2879 	    KM_SLEEP);
2880 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2881 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2882 
2883 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2884 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2885 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2886 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2887 
2888 	if (nxge_tx_ring_size > TDC_DEFAULT_MAX) {
2889 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2890 		    "nxge_alloc_tx_mem_pool: TDC too high %d, "
2891 		    "set to default %d",
2892 		    nxge_tx_ring_size, TDC_DEFAULT_MAX));
2893 		nxge_tx_ring_size = TDC_DEFAULT_MAX;
2894 	}
2895 
2896 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2897 	/*
2898 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2899 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2900 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2901 	 * function). The transmit ring is limited to 8K (includes the
2902 	 * mailbox).
2903 	 */
2904 	if (nxgep->niu_type == N2_NIU) {
2905 		if ((nxge_tx_ring_size > NXGE_NIU_CONTIG_TX_MAX) ||
2906 		    (!ISP2(nxge_tx_ring_size))) {
2907 			nxge_tx_ring_size = NXGE_NIU_CONTIG_TX_MAX;
2908 		}
2909 	}
2910 #endif
2911 
2912 	nxgep->nxge_port_tx_ring_size = nxge_tx_ring_size;
2913 
2914 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2915 	    sizeof (uint32_t) * tdc_max, KM_SLEEP);
2916 
2917 	dma_poolp->ndmas = p_cfgp->tdc.owned;
2918 	dma_poolp->num_chunks = num_chunks;
2919 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2920 	nxgep->tx_buf_pool_p = dma_poolp;
2921 
2922 	dma_poolp->buf_allocated = B_TRUE;
2923 
2924 	dma_cntl_poolp->ndmas = p_cfgp->tdc.owned;
2925 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2926 	nxgep->tx_cntl_pool_p = dma_cntl_poolp;
2927 
2928 	dma_cntl_poolp->buf_allocated = B_TRUE;
2929 
2930 	nxgep->tx_rings =
2931 	    KMEM_ZALLOC(sizeof (tx_rings_t), KM_SLEEP);
2932 	nxgep->tx_rings->rings =
2933 	    KMEM_ZALLOC(sizeof (p_tx_ring_t) * tdc_max, KM_SLEEP);
2934 	nxgep->tx_mbox_areas_p =
2935 	    KMEM_ZALLOC(sizeof (tx_mbox_areas_t), KM_SLEEP);
2936 	nxgep->tx_mbox_areas_p->txmbox_areas_p =
2937 	    KMEM_ZALLOC(sizeof (p_tx_mbox_t) * tdc_max, KM_SLEEP);
2938 
2939 	nxgep->tx_rings->ndmas = p_cfgp->tdc.owned;
2940 
2941 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2942 	    "==> nxge_alloc_tx_mem_pool: ndmas %d poolp->ndmas %d",
2943 	    tdc_max, dma_poolp->ndmas));
2944 
2945 	return (NXGE_OK);
2946 }
2947 
2948 nxge_status_t
2949 nxge_alloc_tx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2950     p_nxge_dma_common_t *dmap, size_t alloc_size,
2951     size_t block_size, uint32_t *num_chunks)
2952 {
2953 	p_nxge_dma_common_t 	tx_dmap;
2954 	nxge_status_t		status = NXGE_OK;
2955 	size_t			total_alloc_size;
2956 	size_t			allocated = 0;
2957 	int			i, size_index, array_size;
2958 
2959 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_buf_dma"));
2960 
2961 	tx_dmap = (p_nxge_dma_common_t)
2962 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2963 	    KM_SLEEP);
2964 
2965 	total_alloc_size = alloc_size;
2966 	i = 0;
2967 	size_index = 0;
2968 	array_size =  sizeof (alloc_sizes) /  sizeof (size_t);
2969 	while ((alloc_sizes[size_index] < alloc_size) &&
2970 	    (size_index < array_size))
2971 		size_index++;
2972 	if (size_index >= array_size) {
2973 		size_index = array_size - 1;
2974 	}
2975 
2976 	while ((allocated < total_alloc_size) &&
2977 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2978 
2979 		tx_dmap[i].dma_chunk_index = i;
2980 		tx_dmap[i].block_size = block_size;
2981 		tx_dmap[i].alength = alloc_sizes[size_index];
2982 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
2983 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2984 		tx_dmap[i].dma_channel = dma_channel;
2985 		tx_dmap[i].contig_alloc_type = B_FALSE;
2986 		tx_dmap[i].kmem_alloc_type = B_FALSE;
2987 
2988 		/*
2989 		 * N2/NIU: data buffers must be contiguous as the driver
2990 		 *	   needs to call Hypervisor api to set up
2991 		 *	   logical pages.
2992 		 */
2993 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2994 			tx_dmap[i].contig_alloc_type = B_TRUE;
2995 		}
2996 
2997 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2998 		    &nxge_tx_dma_attr,
2999 		    tx_dmap[i].alength,
3000 		    &nxge_dev_buf_dma_acc_attr,
3001 		    DDI_DMA_WRITE | DDI_DMA_STREAMING,
3002 		    (p_nxge_dma_common_t)(&tx_dmap[i]));
3003 		if (status != NXGE_OK) {
3004 			size_index--;
3005 		} else {
3006 			i++;
3007 			allocated += alloc_sizes[size_index];
3008 		}
3009 	}
3010 
3011 	if (allocated < total_alloc_size) {
3012 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3013 		    "==> nxge_alloc_tx_buf_dma: not enough channel %d: "
3014 		    "allocated 0x%x requested 0x%x",
3015 		    dma_channel,
3016 		    allocated, total_alloc_size));
3017 		status = NXGE_ERROR;
3018 		goto nxge_alloc_tx_mem_fail1;
3019 	}
3020 
3021 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3022 	    "==> nxge_alloc_tx_buf_dma: Allocated for channel %d: "
3023 	    "allocated 0x%x requested 0x%x",
3024 	    dma_channel,
3025 	    allocated, total_alloc_size));
3026 
3027 	*num_chunks = i;
3028 	*dmap = tx_dmap;
3029 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3030 	    "==> nxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
3031 	    *dmap, i));
3032 	goto nxge_alloc_tx_mem_exit;
3033 
3034 nxge_alloc_tx_mem_fail1:
3035 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
3036 
3037 nxge_alloc_tx_mem_exit:
3038 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3039 	    "<== nxge_alloc_tx_buf_dma status 0x%08x", status));
3040 
3041 	return (status);
3042 }
3043 
3044 /*ARGSUSED*/
3045 static void
3046 nxge_free_tx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
3047     uint32_t num_chunks)
3048 {
3049 	int		i;
3050 
3051 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_tx_buf_dma"));
3052 
3053 	if (dmap == 0)
3054 		return;
3055 
3056 	for (i = 0; i < num_chunks; i++) {
3057 		nxge_dma_mem_free(dmap++);
3058 	}
3059 
3060 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_tx_buf_dma"));
3061 }
3062 
3063 /*ARGSUSED*/
3064 nxge_status_t
3065 nxge_alloc_tx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
3066     p_nxge_dma_common_t *dmap, size_t size)
3067 {
3068 	p_nxge_dma_common_t 	tx_dmap;
3069 	nxge_status_t		status = NXGE_OK;
3070 
3071 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_cntl_dma"));
3072 	tx_dmap = (p_nxge_dma_common_t)
3073 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
3074 
3075 	tx_dmap->contig_alloc_type = B_FALSE;
3076 	tx_dmap->kmem_alloc_type = B_FALSE;
3077 
3078 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
3079 	    &nxge_desc_dma_attr,
3080 	    size,
3081 	    &nxge_dev_desc_dma_acc_attr,
3082 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
3083 	    tx_dmap);
3084 	if (status != NXGE_OK) {
3085 		goto nxge_alloc_tx_cntl_dma_fail1;
3086 	}
3087 
3088 	*dmap = tx_dmap;
3089 	goto nxge_alloc_tx_cntl_dma_exit;
3090 
3091 nxge_alloc_tx_cntl_dma_fail1:
3092 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t));
3093 
3094 nxge_alloc_tx_cntl_dma_exit:
3095 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3096 	    "<== nxge_alloc_tx_cntl_dma status 0x%08x", status));
3097 
3098 	return (status);
3099 }
3100 
3101 /*ARGSUSED*/
3102 static void
3103 nxge_free_tx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
3104 {
3105 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_tx_cntl_dma"));
3106 
3107 	if (dmap == 0)
3108 		return;
3109 
3110 	nxge_dma_mem_free(dmap);
3111 
3112 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_tx_cntl_dma"));
3113 }
3114 
3115 /*
3116  * nxge_free_tx_mem_pool
3117  *
3118  *	This function frees all of the per-port TDC control data structures.
3119  *	The per-channel (TDC) data structures are freed when the channel
3120  *	is stopped.
3121  *
3122  * Arguments:
3123  * 	nxgep
3124  *
3125  * Notes:
3126  *
3127  * Context:
3128  *	Any domain
3129  */
3130 static void
3131 nxge_free_tx_mem_pool(p_nxge_t nxgep)
3132 {
3133 	int tdc_max = NXGE_MAX_TDCS;
3134 
3135 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_tx_mem_pool"));
3136 
3137 	if (!nxgep->tx_buf_pool_p || !nxgep->tx_buf_pool_p->buf_allocated) {
3138 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3139 		    "<== nxge_free_tx_mem_pool "
3140 		    "(null tx buf pool or buf not allocated"));
3141 		return;
3142 	}
3143 	if (!nxgep->tx_cntl_pool_p || !nxgep->tx_cntl_pool_p->buf_allocated) {
3144 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3145 		    "<== nxge_free_tx_mem_pool "
3146 		    "(null tx cntl buf pool or cntl buf not allocated"));
3147 		return;
3148 	}
3149 
3150 	/* 1. Free the mailboxes. */
3151 	KMEM_FREE(nxgep->tx_mbox_areas_p->txmbox_areas_p,
3152 	    sizeof (p_tx_mbox_t) * tdc_max);
3153 	KMEM_FREE(nxgep->tx_mbox_areas_p, sizeof (tx_mbox_areas_t));
3154 
3155 	nxgep->tx_mbox_areas_p = 0;
3156 
3157 	/* 2. Free the transmit ring arrays. */
3158 	KMEM_FREE(nxgep->tx_rings->rings,
3159 	    sizeof (p_tx_ring_t) * tdc_max);
3160 	KMEM_FREE(nxgep->tx_rings, sizeof (tx_rings_t));
3161 
3162 	nxgep->tx_rings = 0;
3163 
3164 	/* 3. Free the completion ring data structures. */
3165 	KMEM_FREE(nxgep->tx_cntl_pool_p->dma_buf_pool_p,
3166 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3167 	KMEM_FREE(nxgep->tx_cntl_pool_p, sizeof (nxge_dma_pool_t));
3168 
3169 	nxgep->tx_cntl_pool_p = 0;
3170 
3171 	/* 4. Free the data ring data structures. */
3172 	KMEM_FREE(nxgep->tx_buf_pool_p->num_chunks,
3173 	    sizeof (uint32_t) * tdc_max);
3174 	KMEM_FREE(nxgep->tx_buf_pool_p->dma_buf_pool_p,
3175 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3176 	KMEM_FREE(nxgep->tx_buf_pool_p, sizeof (nxge_dma_pool_t));
3177 
3178 	nxgep->tx_buf_pool_p = 0;
3179 
3180 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_tx_mem_pool"));
3181 }
3182 
3183 /*ARGSUSED*/
3184 static nxge_status_t
3185 nxge_dma_mem_alloc(p_nxge_t nxgep, dma_method_t method,
3186 	struct ddi_dma_attr *dma_attrp,
3187 	size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
3188 	p_nxge_dma_common_t dma_p)
3189 {
3190 	caddr_t 		kaddrp;
3191 	int			ddi_status = DDI_SUCCESS;
3192 	boolean_t		contig_alloc_type;
3193 	boolean_t		kmem_alloc_type;
3194 
3195 	contig_alloc_type = dma_p->contig_alloc_type;
3196 
3197 	if (contig_alloc_type && (nxgep->niu_type != N2_NIU)) {
3198 		/*
3199 		 * contig_alloc_type for contiguous memory only allowed
3200 		 * for N2/NIU.
3201 		 */
3202 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3203 		    "nxge_dma_mem_alloc: alloc type not allowed (%d)",
3204 		    dma_p->contig_alloc_type));
3205 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3206 	}
3207 
3208 	dma_p->dma_handle = NULL;
3209 	dma_p->acc_handle = NULL;
3210 	dma_p->kaddrp = dma_p->last_kaddrp = NULL;
3211 	dma_p->first_ioaddr_pp = dma_p->last_ioaddr_pp = NULL;
3212 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, dma_attrp,
3213 	    DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
3214 	if (ddi_status != DDI_SUCCESS) {
3215 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3216 		    "nxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
3217 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3218 	}
3219 
3220 	kmem_alloc_type = dma_p->kmem_alloc_type;
3221 
3222 	switch (contig_alloc_type) {
3223 	case B_FALSE:
3224 		switch (kmem_alloc_type) {
3225 		case B_FALSE:
3226 			ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle,
3227 			    length,
3228 			    acc_attr_p,
3229 			    xfer_flags,
3230 			    DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
3231 			    &dma_p->acc_handle);
3232 			if (ddi_status != DDI_SUCCESS) {
3233 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3234 				    "nxge_dma_mem_alloc: "
3235 				    "ddi_dma_mem_alloc failed"));
3236 				ddi_dma_free_handle(&dma_p->dma_handle);
3237 				dma_p->dma_handle = NULL;
3238 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3239 			}
3240 			if (dma_p->alength < length) {
3241 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3242 				    "nxge_dma_mem_alloc:di_dma_mem_alloc "
3243 				    "< length."));
3244 				ddi_dma_mem_free(&dma_p->acc_handle);
3245 				ddi_dma_free_handle(&dma_p->dma_handle);
3246 				dma_p->acc_handle = NULL;
3247 				dma_p->dma_handle = NULL;
3248 				return (NXGE_ERROR);
3249 			}
3250 
3251 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3252 			    NULL,
3253 			    kaddrp, dma_p->alength, xfer_flags,
3254 			    DDI_DMA_DONTWAIT,
3255 			    0, &dma_p->dma_cookie, &dma_p->ncookies);
3256 			if (ddi_status != DDI_DMA_MAPPED) {
3257 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3258 				    "nxge_dma_mem_alloc: ddi_dma_addr_bind "
3259 				    "failed "
3260 				    "(staus 0x%x ncookies %d.)", ddi_status,
3261 				    dma_p->ncookies));
3262 				if (dma_p->acc_handle) {
3263 					ddi_dma_mem_free(&dma_p->acc_handle);
3264 					dma_p->acc_handle = NULL;
3265 				}
3266 				ddi_dma_free_handle(&dma_p->dma_handle);
3267 				dma_p->dma_handle = NULL;
3268 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3269 			}
3270 
3271 			if (dma_p->ncookies != 1) {
3272 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3273 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3274 				    "> 1 cookie"
3275 				    "(staus 0x%x ncookies %d.)", ddi_status,
3276 				    dma_p->ncookies));
3277 				if (dma_p->acc_handle) {
3278 					ddi_dma_mem_free(&dma_p->acc_handle);
3279 					dma_p->acc_handle = NULL;
3280 				}
3281 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3282 				ddi_dma_free_handle(&dma_p->dma_handle);
3283 				dma_p->dma_handle = NULL;
3284 				return (NXGE_ERROR);
3285 			}
3286 			break;
3287 
3288 		case B_TRUE:
3289 			kaddrp = KMEM_ALLOC(length, KM_NOSLEEP);
3290 			if (kaddrp == NULL) {
3291 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3292 				    "nxge_dma_mem_alloc:ddi_dma_mem_alloc "
3293 				    "kmem alloc failed"));
3294 				return (NXGE_ERROR);
3295 			}
3296 
3297 			dma_p->alength = length;
3298 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3299 			    NULL, kaddrp, dma_p->alength, xfer_flags,
3300 			    DDI_DMA_DONTWAIT, 0,
3301 			    &dma_p->dma_cookie, &dma_p->ncookies);
3302 			if (ddi_status != DDI_DMA_MAPPED) {
3303 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3304 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind: "
3305 				    "(kmem_alloc) failed kaddrp $%p length %d "
3306 				    "(staus 0x%x (%d) ncookies %d.)",
3307 				    kaddrp, length,
3308 				    ddi_status, ddi_status, dma_p->ncookies));
3309 				KMEM_FREE(kaddrp, length);
3310 				dma_p->acc_handle = NULL;
3311 				ddi_dma_free_handle(&dma_p->dma_handle);
3312 				dma_p->dma_handle = NULL;
3313 				dma_p->kaddrp = NULL;
3314 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3315 			}
3316 
3317 			if (dma_p->ncookies != 1) {
3318 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3319 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3320 				    "(kmem_alloc) > 1 cookie"
3321 				    "(staus 0x%x ncookies %d.)", ddi_status,
3322 				    dma_p->ncookies));
3323 				KMEM_FREE(kaddrp, length);
3324 				dma_p->acc_handle = NULL;
3325 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3326 				ddi_dma_free_handle(&dma_p->dma_handle);
3327 				dma_p->dma_handle = NULL;
3328 				dma_p->kaddrp = NULL;
3329 				return (NXGE_ERROR);
3330 			}
3331 
3332 			dma_p->kaddrp = kaddrp;
3333 
3334 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
3335 			    "nxge_dma_mem_alloc: kmem_alloc dmap $%p "
3336 			    "kaddr $%p alength %d",
3337 			    dma_p,
3338 			    kaddrp,
3339 			    dma_p->alength));
3340 			break;
3341 		}
3342 		break;
3343 
3344 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3345 	case B_TRUE:
3346 		kaddrp = (caddr_t)contig_mem_alloc(length);
3347 		if (kaddrp == NULL) {
3348 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3349 			    "nxge_dma_mem_alloc:contig_mem_alloc failed."));
3350 			ddi_dma_free_handle(&dma_p->dma_handle);
3351 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3352 		}
3353 
3354 		dma_p->alength = length;
3355 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
3356 		    kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
3357 		    &dma_p->dma_cookie, &dma_p->ncookies);
3358 		if (ddi_status != DDI_DMA_MAPPED) {
3359 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3360 			    "nxge_dma_mem_alloc:di_dma_addr_bind failed "
3361 			    "(status 0x%x ncookies %d.)", ddi_status,
3362 			    dma_p->ncookies));
3363 
3364 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3365 			    "==> nxge_dma_mem_alloc: (not mapped)"
3366 			    "length %lu (0x%x) "
3367 			    "free contig kaddrp $%p "
3368 			    "va_to_pa $%p",
3369 			    length, length,
3370 			    kaddrp,
3371 			    va_to_pa(kaddrp)));
3372 
3373 
3374 			contig_mem_free((void *)kaddrp, length);
3375 			ddi_dma_free_handle(&dma_p->dma_handle);
3376 
3377 			dma_p->dma_handle = NULL;
3378 			dma_p->acc_handle = NULL;
3379 			dma_p->alength = NULL;
3380 			dma_p->kaddrp = NULL;
3381 
3382 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3383 		}
3384 
3385 		if (dma_p->ncookies != 1 ||
3386 		    (dma_p->dma_cookie.dmac_laddress == NULL)) {
3387 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3388 			    "nxge_dma_mem_alloc:di_dma_addr_bind > 1 "
3389 			    "cookie or "
3390 			    "dmac_laddress is NULL $%p size %d "
3391 			    " (status 0x%x ncookies %d.)",
3392 			    ddi_status,
3393 			    dma_p->dma_cookie.dmac_laddress,
3394 			    dma_p->dma_cookie.dmac_size,
3395 			    dma_p->ncookies));
3396 
3397 			contig_mem_free((void *)kaddrp, length);
3398 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3399 			ddi_dma_free_handle(&dma_p->dma_handle);
3400 
3401 			dma_p->alength = 0;
3402 			dma_p->dma_handle = NULL;
3403 			dma_p->acc_handle = NULL;
3404 			dma_p->kaddrp = NULL;
3405 
3406 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3407 		}
3408 		break;
3409 
3410 #else
3411 	case B_TRUE:
3412 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3413 		    "nxge_dma_mem_alloc: invalid alloc type for !sun4v"));
3414 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3415 #endif
3416 	}
3417 
3418 	dma_p->kaddrp = kaddrp;
3419 	dma_p->last_kaddrp = (unsigned char *)kaddrp +
3420 	    dma_p->alength - RXBUF_64B_ALIGNED;
3421 #if defined(__i386)
3422 	dma_p->ioaddr_pp =
3423 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress;
3424 #else
3425 	dma_p->ioaddr_pp = (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3426 #endif
3427 	dma_p->last_ioaddr_pp =
3428 #if defined(__i386)
3429 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress +
3430 #else
3431 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress +
3432 #endif
3433 	    dma_p->alength - RXBUF_64B_ALIGNED;
3434 
3435 	NPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
3436 
3437 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3438 	dma_p->orig_ioaddr_pp =
3439 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3440 	dma_p->orig_alength = length;
3441 	dma_p->orig_kaddrp = kaddrp;
3442 	dma_p->orig_vatopa = (uint64_t)va_to_pa(kaddrp);
3443 #endif
3444 
3445 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_dma_mem_alloc: "
3446 	    "dma buffer allocated: dma_p $%p "
3447 	    "return dmac_ladress from cookie $%p cookie dmac_size %d "
3448 	    "dma_p->ioaddr_p $%p "
3449 	    "dma_p->orig_ioaddr_p $%p "
3450 	    "orig_vatopa $%p "
3451 	    "alength %d (0x%x) "
3452 	    "kaddrp $%p "
3453 	    "length %d (0x%x)",
3454 	    dma_p,
3455 	    dma_p->dma_cookie.dmac_laddress, dma_p->dma_cookie.dmac_size,
3456 	    dma_p->ioaddr_pp,
3457 	    dma_p->orig_ioaddr_pp,
3458 	    dma_p->orig_vatopa,
3459 	    dma_p->alength, dma_p->alength,
3460 	    kaddrp,
3461 	    length, length));
3462 
3463 	return (NXGE_OK);
3464 }
3465 
3466 static void
3467 nxge_dma_mem_free(p_nxge_dma_common_t dma_p)
3468 {
3469 	if (dma_p->dma_handle != NULL) {
3470 		if (dma_p->ncookies) {
3471 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3472 			dma_p->ncookies = 0;
3473 		}
3474 		ddi_dma_free_handle(&dma_p->dma_handle);
3475 		dma_p->dma_handle = NULL;
3476 	}
3477 
3478 	if (dma_p->acc_handle != NULL) {
3479 		ddi_dma_mem_free(&dma_p->acc_handle);
3480 		dma_p->acc_handle = NULL;
3481 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3482 	}
3483 
3484 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3485 	if (dma_p->contig_alloc_type &&
3486 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3487 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_mem_free: "
3488 		    "kaddrp $%p (orig_kaddrp $%p)"
3489 		    "mem type %d ",
3490 		    "orig_alength %d "
3491 		    "alength 0x%x (%d)",
3492 		    dma_p->kaddrp,
3493 		    dma_p->orig_kaddrp,
3494 		    dma_p->contig_alloc_type,
3495 		    dma_p->orig_alength,
3496 		    dma_p->alength, dma_p->alength));
3497 
3498 		contig_mem_free(dma_p->orig_kaddrp, dma_p->orig_alength);
3499 		dma_p->orig_alength = NULL;
3500 		dma_p->orig_kaddrp = NULL;
3501 		dma_p->contig_alloc_type = B_FALSE;
3502 	}
3503 #endif
3504 	dma_p->kaddrp = NULL;
3505 	dma_p->alength = NULL;
3506 }
3507 
3508 static void
3509 nxge_dma_free_rx_data_buf(p_nxge_dma_common_t dma_p)
3510 {
3511 	uint64_t kaddr;
3512 	uint32_t buf_size;
3513 
3514 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "==> nxge_dma_free_rx_data_buf"));
3515 
3516 	if (dma_p->dma_handle != NULL) {
3517 		if (dma_p->ncookies) {
3518 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3519 			dma_p->ncookies = 0;
3520 		}
3521 		ddi_dma_free_handle(&dma_p->dma_handle);
3522 		dma_p->dma_handle = NULL;
3523 	}
3524 
3525 	if (dma_p->acc_handle != NULL) {
3526 		ddi_dma_mem_free(&dma_p->acc_handle);
3527 		dma_p->acc_handle = NULL;
3528 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3529 	}
3530 
3531 	NXGE_DEBUG_MSG((NULL, DMA_CTL,
3532 	    "==> nxge_dma_free_rx_data_buf: dmap $%p buf_alloc_state %d",
3533 	    dma_p,
3534 	    dma_p->buf_alloc_state));
3535 
3536 	if (!(dma_p->buf_alloc_state & BUF_ALLOCATED_WAIT_FREE)) {
3537 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3538 		    "<== nxge_dma_free_rx_data_buf: "
3539 		    "outstanding data buffers"));
3540 		return;
3541 	}
3542 
3543 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3544 	if (dma_p->contig_alloc_type &&
3545 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3546 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_free_rx_data_buf: "
3547 		    "kaddrp $%p (orig_kaddrp $%p)"
3548 		    "mem type %d ",
3549 		    "orig_alength %d "
3550 		    "alength 0x%x (%d)",
3551 		    dma_p->kaddrp,
3552 		    dma_p->orig_kaddrp,
3553 		    dma_p->contig_alloc_type,
3554 		    dma_p->orig_alength,
3555 		    dma_p->alength, dma_p->alength));
3556 
3557 		kaddr = (uint64_t)dma_p->orig_kaddrp;
3558 		buf_size = dma_p->orig_alength;
3559 		nxge_free_buf(CONTIG_MEM_ALLOC, kaddr, buf_size);
3560 		dma_p->orig_alength = NULL;
3561 		dma_p->orig_kaddrp = NULL;
3562 		dma_p->contig_alloc_type = B_FALSE;
3563 		dma_p->kaddrp = NULL;
3564 		dma_p->alength = NULL;
3565 		return;
3566 	}
3567 #endif
3568 
3569 	if (dma_p->kmem_alloc_type) {
3570 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3571 		    "nxge_dma_free_rx_data_buf: free kmem "
3572 		    "kaddrp $%p (orig_kaddrp $%p)"
3573 		    "alloc type %d "
3574 		    "orig_alength %d "
3575 		    "alength 0x%x (%d)",
3576 		    dma_p->kaddrp,
3577 		    dma_p->orig_kaddrp,
3578 		    dma_p->kmem_alloc_type,
3579 		    dma_p->orig_alength,
3580 		    dma_p->alength, dma_p->alength));
3581 #if defined(__i386)
3582 		kaddr = (uint64_t)(uint32_t)dma_p->kaddrp;
3583 #else
3584 		kaddr = (uint64_t)dma_p->kaddrp;
3585 #endif
3586 		buf_size = dma_p->orig_alength;
3587 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3588 		    "nxge_dma_free_rx_data_buf: free dmap $%p "
3589 		    "kaddr $%p buf_size %d",
3590 		    dma_p,
3591 		    kaddr, buf_size));
3592 		nxge_free_buf(KMEM_ALLOC, kaddr, buf_size);
3593 		dma_p->alength = 0;
3594 		dma_p->orig_alength = 0;
3595 		dma_p->kaddrp = NULL;
3596 		dma_p->kmem_alloc_type = B_FALSE;
3597 	}
3598 
3599 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_dma_free_rx_data_buf"));
3600 }
3601 
3602 /*
3603  *	nxge_m_start() -- start transmitting and receiving.
3604  *
3605  *	This function is called by the MAC layer when the first
3606  *	stream is open to prepare the hardware ready for sending
3607  *	and transmitting packets.
3608  */
3609 static int
3610 nxge_m_start(void *arg)
3611 {
3612 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3613 
3614 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_start"));
3615 
3616 	MUTEX_ENTER(nxgep->genlock);
3617 	if (nxge_init(nxgep) != NXGE_OK) {
3618 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3619 		    "<== nxge_m_start: initialization failed"));
3620 		MUTEX_EXIT(nxgep->genlock);
3621 		return (EIO);
3622 	}
3623 
3624 	if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
3625 		goto nxge_m_start_exit;
3626 	/*
3627 	 * Start timer to check the system error and tx hangs
3628 	 */
3629 	if (!isLDOMguest(nxgep))
3630 		nxgep->nxge_timerid = nxge_start_timer(nxgep,
3631 		    nxge_check_hw_state, NXGE_CHECK_TIMER);
3632 #if	defined(sun4v)
3633 	else
3634 		nxge_hio_start_timer(nxgep);
3635 #endif
3636 
3637 	nxgep->link_notify = B_TRUE;
3638 
3639 	nxgep->nxge_mac_state = NXGE_MAC_STARTED;
3640 
3641 nxge_m_start_exit:
3642 	MUTEX_EXIT(nxgep->genlock);
3643 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_start"));
3644 	return (0);
3645 }
3646 
3647 /*
3648  *	nxge_m_stop(): stop transmitting and receiving.
3649  */
3650 static void
3651 nxge_m_stop(void *arg)
3652 {
3653 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3654 
3655 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_stop"));
3656 
3657 	if (nxgep->nxge_timerid) {
3658 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
3659 		nxgep->nxge_timerid = 0;
3660 	}
3661 
3662 	MUTEX_ENTER(nxgep->genlock);
3663 	nxgep->nxge_mac_state = NXGE_MAC_STOPPING;
3664 	nxge_uninit(nxgep);
3665 
3666 	nxgep->nxge_mac_state = NXGE_MAC_STOPPED;
3667 
3668 	MUTEX_EXIT(nxgep->genlock);
3669 
3670 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_stop"));
3671 }
3672 
3673 static int
3674 nxge_m_unicst(void *arg, const uint8_t *macaddr)
3675 {
3676 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3677 	struct 		ether_addr addrp;
3678 
3679 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "==> nxge_m_unicst"));
3680 
3681 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
3682 	if (nxge_set_mac_addr(nxgep, &addrp)) {
3683 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3684 		    "<== nxge_m_unicst: set unitcast failed"));
3685 		return (EINVAL);
3686 	}
3687 
3688 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_unicst"));
3689 
3690 	return (0);
3691 }
3692 
3693 static int
3694 nxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3695 {
3696 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3697 	struct 		ether_addr addrp;
3698 
3699 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3700 	    "==> nxge_m_multicst: add %d", add));
3701 
3702 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
3703 	if (add) {
3704 		if (nxge_add_mcast_addr(nxgep, &addrp)) {
3705 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3706 			    "<== nxge_m_multicst: add multicast failed"));
3707 			return (EINVAL);
3708 		}
3709 	} else {
3710 		if (nxge_del_mcast_addr(nxgep, &addrp)) {
3711 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3712 			    "<== nxge_m_multicst: del multicast failed"));
3713 			return (EINVAL);
3714 		}
3715 	}
3716 
3717 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_multicst"));
3718 
3719 	return (0);
3720 }
3721 
3722 static int
3723 nxge_m_promisc(void *arg, boolean_t on)
3724 {
3725 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3726 
3727 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3728 	    "==> nxge_m_promisc: on %d", on));
3729 
3730 	if (nxge_set_promisc(nxgep, on)) {
3731 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3732 		    "<== nxge_m_promisc: set promisc failed"));
3733 		return (EINVAL);
3734 	}
3735 
3736 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3737 	    "<== nxge_m_promisc: on %d", on));
3738 
3739 	return (0);
3740 }
3741 
3742 static void
3743 nxge_m_ioctl(void *arg,  queue_t *wq, mblk_t *mp)
3744 {
3745 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3746 	struct 		iocblk *iocp;
3747 	boolean_t 	need_privilege;
3748 	int 		err;
3749 	int 		cmd;
3750 
3751 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl"));
3752 
3753 	iocp = (struct iocblk *)mp->b_rptr;
3754 	iocp->ioc_error = 0;
3755 	need_privilege = B_TRUE;
3756 	cmd = iocp->ioc_cmd;
3757 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl: cmd 0x%08x", cmd));
3758 	switch (cmd) {
3759 	default:
3760 		miocnak(wq, mp, 0, EINVAL);
3761 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl: invalid"));
3762 		return;
3763 
3764 	case LB_GET_INFO_SIZE:
3765 	case LB_GET_INFO:
3766 	case LB_GET_MODE:
3767 		need_privilege = B_FALSE;
3768 		break;
3769 	case LB_SET_MODE:
3770 		break;
3771 
3772 
3773 	case NXGE_GET_MII:
3774 	case NXGE_PUT_MII:
3775 	case NXGE_GET64:
3776 	case NXGE_PUT64:
3777 	case NXGE_GET_TX_RING_SZ:
3778 	case NXGE_GET_TX_DESC:
3779 	case NXGE_TX_SIDE_RESET:
3780 	case NXGE_RX_SIDE_RESET:
3781 	case NXGE_GLOBAL_RESET:
3782 	case NXGE_RESET_MAC:
3783 	case NXGE_TX_REGS_DUMP:
3784 	case NXGE_RX_REGS_DUMP:
3785 	case NXGE_INT_REGS_DUMP:
3786 	case NXGE_VIR_INT_REGS_DUMP:
3787 	case NXGE_PUT_TCAM:
3788 	case NXGE_GET_TCAM:
3789 	case NXGE_RTRACE:
3790 	case NXGE_RDUMP:
3791 
3792 		need_privilege = B_FALSE;
3793 		break;
3794 	case NXGE_INJECT_ERR:
3795 		cmn_err(CE_NOTE, "!nxge_m_ioctl: Inject error\n");
3796 		nxge_err_inject(nxgep, wq, mp);
3797 		break;
3798 	}
3799 
3800 	if (need_privilege) {
3801 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
3802 		if (err != 0) {
3803 			miocnak(wq, mp, 0, err);
3804 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3805 			    "<== nxge_m_ioctl: no priv"));
3806 			return;
3807 		}
3808 	}
3809 
3810 	switch (cmd) {
3811 
3812 	case LB_GET_MODE:
3813 	case LB_SET_MODE:
3814 	case LB_GET_INFO_SIZE:
3815 	case LB_GET_INFO:
3816 		nxge_loopback_ioctl(nxgep, wq, mp, iocp);
3817 		break;
3818 
3819 	case NXGE_GET_MII:
3820 	case NXGE_PUT_MII:
3821 	case NXGE_PUT_TCAM:
3822 	case NXGE_GET_TCAM:
3823 	case NXGE_GET64:
3824 	case NXGE_PUT64:
3825 	case NXGE_GET_TX_RING_SZ:
3826 	case NXGE_GET_TX_DESC:
3827 	case NXGE_TX_SIDE_RESET:
3828 	case NXGE_RX_SIDE_RESET:
3829 	case NXGE_GLOBAL_RESET:
3830 	case NXGE_RESET_MAC:
3831 	case NXGE_TX_REGS_DUMP:
3832 	case NXGE_RX_REGS_DUMP:
3833 	case NXGE_INT_REGS_DUMP:
3834 	case NXGE_VIR_INT_REGS_DUMP:
3835 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3836 		    "==> nxge_m_ioctl: cmd 0x%x", cmd));
3837 		nxge_hw_ioctl(nxgep, wq, mp, iocp);
3838 		break;
3839 	}
3840 
3841 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl"));
3842 }
3843 
3844 extern void nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count);
3845 
3846 static void
3847 nxge_m_resources(void *arg)
3848 {
3849 	p_nxge_t		nxgep = arg;
3850 	mac_rx_fifo_t 		mrf;
3851 
3852 	nxge_grp_set_t		*set = &nxgep->rx_set;
3853 	uint8_t			rdc;
3854 
3855 	rx_rcr_ring_t		*ring;
3856 
3857 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_m_resources"));
3858 
3859 	MUTEX_ENTER(nxgep->genlock);
3860 
3861 	if (set->owned.map == 0) {
3862 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
3863 		    "nxge_m_resources: no receive resources"));
3864 		goto nxge_m_resources_exit;
3865 	}
3866 
3867 	/*
3868 	 * CR 6492541 Check to see if the drv_state has been initialized,
3869 	 * if not * call nxge_init().
3870 	 */
3871 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3872 		if (nxge_init(nxgep) != NXGE_OK)
3873 			goto nxge_m_resources_exit;
3874 	}
3875 
3876 	mrf.mrf_type = MAC_RX_FIFO;
3877 	mrf.mrf_blank = nxge_rx_hw_blank;
3878 	mrf.mrf_arg = (void *)nxgep;
3879 
3880 	mrf.mrf_normal_blank_time = 128;
3881 	mrf.mrf_normal_pkt_count = 8;
3882 
3883 	/*
3884 	 * Export our receive resources to the MAC layer.
3885 	 */
3886 	for (rdc = 0; rdc < NXGE_MAX_RDCS; rdc++) {
3887 		if ((1 << rdc) & set->owned.map) {
3888 			ring = nxgep->rx_rcr_rings->rcr_rings[rdc];
3889 			if (ring == 0) {
3890 				/*
3891 				 * This is a big deal only if we are
3892 				 * *not* in an LDOMs environment.
3893 				 */
3894 				if (nxgep->environs == SOLARIS_DOMAIN) {
3895 					cmn_err(CE_NOTE,
3896 					    "==> nxge_m_resources: "
3897 					    "ring %d == 0", rdc);
3898 				}
3899 				continue;
3900 			}
3901 			ring->rcr_mac_handle = mac_resource_add
3902 			    (nxgep->mach, (mac_resource_t *)&mrf);
3903 
3904 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3905 			    "==> nxge_m_resources: RDC %d RCR %p MAC handle %p",
3906 			    rdc, ring, ring->rcr_mac_handle));
3907 		}
3908 	}
3909 
3910 nxge_m_resources_exit:
3911 	MUTEX_EXIT(nxgep->genlock);
3912 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_m_resources"));
3913 }
3914 
3915 void
3916 nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot, boolean_t factory)
3917 {
3918 	p_nxge_mmac_stats_t mmac_stats;
3919 	int i;
3920 	nxge_mmac_t *mmac_info;
3921 
3922 	mmac_info = &nxgep->nxge_mmac_info;
3923 
3924 	mmac_stats = &nxgep->statsp->mmac_stats;
3925 	mmac_stats->mmac_max_cnt = mmac_info->num_mmac;
3926 	mmac_stats->mmac_avail_cnt = mmac_info->naddrfree;
3927 
3928 	for (i = 0; i < ETHERADDRL; i++) {
3929 		if (factory) {
3930 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3931 			    = mmac_info->factory_mac_pool[slot][
3932 			    (ETHERADDRL-1) - i];
3933 		} else {
3934 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3935 			    = mmac_info->mac_pool[slot].addr[
3936 			    (ETHERADDRL - 1) - i];
3937 		}
3938 	}
3939 }
3940 
3941 /*
3942  * nxge_altmac_set() -- Set an alternate MAC address
3943  */
3944 static int
3945 nxge_altmac_set(p_nxge_t nxgep, uint8_t *maddr, mac_addr_slot_t slot)
3946 {
3947 	uint8_t addrn;
3948 	uint8_t portn;
3949 	npi_mac_addr_t altmac;
3950 	hostinfo_t mac_rdc;
3951 	p_nxge_class_pt_cfg_t clscfgp;
3952 
3953 	altmac.w2 = ((uint16_t)maddr[0] << 8) | ((uint16_t)maddr[1] & 0x0ff);
3954 	altmac.w1 = ((uint16_t)maddr[2] << 8) | ((uint16_t)maddr[3] & 0x0ff);
3955 	altmac.w0 = ((uint16_t)maddr[4] << 8) | ((uint16_t)maddr[5] & 0x0ff);
3956 
3957 	portn = nxgep->mac.portnum;
3958 	addrn = (uint8_t)slot - 1;
3959 
3960 	if (npi_mac_altaddr_entry(nxgep->npi_handle, OP_SET, portn,
3961 	    addrn, &altmac) != NPI_SUCCESS)
3962 		return (EIO);
3963 
3964 	/*
3965 	 * Set the rdc table number for the host info entry
3966 	 * for this mac address slot.
3967 	 */
3968 	clscfgp = (p_nxge_class_pt_cfg_t)&nxgep->class_config;
3969 	mac_rdc.value = 0;
3970 	mac_rdc.bits.w0.rdc_tbl_num = clscfgp->mac_host_info[addrn].rdctbl;
3971 	mac_rdc.bits.w0.mac_pref = clscfgp->mac_host_info[addrn].mpr_npr;
3972 
3973 	if (npi_mac_hostinfo_entry(nxgep->npi_handle, OP_SET,
3974 	    nxgep->function_num, addrn, &mac_rdc) != NPI_SUCCESS) {
3975 		return (EIO);
3976 	}
3977 
3978 	/*
3979 	 * Enable comparison with the alternate MAC address.
3980 	 * While the first alternate addr is enabled by bit 1 of register
3981 	 * BMAC_ALTAD_CMPEN, it is enabled by bit 0 of register
3982 	 * XMAC_ADDR_CMPEN, so slot needs to be converted to addrn
3983 	 * accordingly before calling npi_mac_altaddr_entry.
3984 	 */
3985 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
3986 		addrn = (uint8_t)slot - 1;
3987 	else
3988 		addrn = (uint8_t)slot;
3989 
3990 	if (npi_mac_altaddr_enable(nxgep->npi_handle, portn, addrn)
3991 	    != NPI_SUCCESS)
3992 		return (EIO);
3993 
3994 	return (0);
3995 }
3996 
3997 /*
3998  * nxeg_m_mmac_add() - find an unused address slot, set the address
3999  * value to the one specified, enable the port to start filtering on
4000  * the new MAC address.  Returns 0 on success.
4001  */
4002 int
4003 nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr)
4004 {
4005 	p_nxge_t nxgep = arg;
4006 	mac_addr_slot_t slot;
4007 	nxge_mmac_t *mmac_info;
4008 	int err;
4009 	nxge_status_t status;
4010 
4011 	mutex_enter(nxgep->genlock);
4012 
4013 	/*
4014 	 * Make sure that nxge is initialized, if _start() has
4015 	 * not been called.
4016 	 */
4017 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4018 		status = nxge_init(nxgep);
4019 		if (status != NXGE_OK) {
4020 			mutex_exit(nxgep->genlock);
4021 			return (ENXIO);
4022 		}
4023 	}
4024 
4025 	mmac_info = &nxgep->nxge_mmac_info;
4026 	if (mmac_info->naddrfree == 0) {
4027 		mutex_exit(nxgep->genlock);
4028 		return (ENOSPC);
4029 	}
4030 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4031 	    maddr->mma_addrlen)) {
4032 		mutex_exit(nxgep->genlock);
4033 		return (EINVAL);
4034 	}
4035 	/*
4036 	 * 	Search for the first available slot. Because naddrfree
4037 	 * is not zero, we are guaranteed to find one.
4038 	 * 	Slot 0 is for unique (primary) MAC. The first alternate
4039 	 * MAC slot is slot 1.
4040 	 *	Each of the first two ports of Neptune has 16 alternate
4041 	 * MAC slots but only the first 7 (of 15) slots have assigned factory
4042 	 * MAC addresses. We first search among the slots without bundled
4043 	 * factory MACs. If we fail to find one in that range, then we
4044 	 * search the slots with bundled factory MACs.  A factory MAC
4045 	 * will be wasted while the slot is used with a user MAC address.
4046 	 * But the slot could be used by factory MAC again after calling
4047 	 * nxge_m_mmac_remove and nxge_m_mmac_reserve.
4048 	 */
4049 	if (mmac_info->num_factory_mmac < mmac_info->num_mmac) {
4050 		for (slot = mmac_info->num_factory_mmac + 1;
4051 		    slot <= mmac_info->num_mmac; slot++) {
4052 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4053 				break;
4054 		}
4055 		if (slot > mmac_info->num_mmac) {
4056 			for (slot = 1; slot <= mmac_info->num_factory_mmac;
4057 			    slot++) {
4058 				if (!(mmac_info->mac_pool[slot].flags
4059 				    & MMAC_SLOT_USED))
4060 					break;
4061 			}
4062 		}
4063 	} else {
4064 		for (slot = 1; slot <= mmac_info->num_mmac; slot++) {
4065 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4066 				break;
4067 		}
4068 	}
4069 	ASSERT(slot <= mmac_info->num_mmac);
4070 	if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot)) != 0) {
4071 		mutex_exit(nxgep->genlock);
4072 		return (err);
4073 	}
4074 	bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr, ETHERADDRL);
4075 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED;
4076 	mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4077 	mmac_info->naddrfree--;
4078 	nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4079 
4080 	maddr->mma_slot = slot;
4081 
4082 	mutex_exit(nxgep->genlock);
4083 	return (0);
4084 }
4085 
4086 /*
4087  * This function reserves an unused slot and programs the slot and the HW
4088  * with a factory mac address.
4089  */
4090 static int
4091 nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr)
4092 {
4093 	p_nxge_t nxgep = arg;
4094 	mac_addr_slot_t slot;
4095 	nxge_mmac_t *mmac_info;
4096 	int err;
4097 	nxge_status_t status;
4098 
4099 	mutex_enter(nxgep->genlock);
4100 
4101 	/*
4102 	 * Make sure that nxge is initialized, if _start() has
4103 	 * not been called.
4104 	 */
4105 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4106 		status = nxge_init(nxgep);
4107 		if (status != NXGE_OK) {
4108 			mutex_exit(nxgep->genlock);
4109 			return (ENXIO);
4110 		}
4111 	}
4112 
4113 	mmac_info = &nxgep->nxge_mmac_info;
4114 	if (mmac_info->naddrfree == 0) {
4115 		mutex_exit(nxgep->genlock);
4116 		return (ENOSPC);
4117 	}
4118 
4119 	slot = maddr->mma_slot;
4120 	if (slot == -1) {  /* -1: Take the first available slot */
4121 		for (slot = 1; slot <= mmac_info->num_factory_mmac; slot++) {
4122 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4123 				break;
4124 		}
4125 		if (slot > mmac_info->num_factory_mmac) {
4126 			mutex_exit(nxgep->genlock);
4127 			return (ENOSPC);
4128 		}
4129 	}
4130 	if (slot < 1 || slot > mmac_info->num_factory_mmac) {
4131 		/*
4132 		 * Do not support factory MAC at a slot greater than
4133 		 * num_factory_mmac even when there are available factory
4134 		 * MAC addresses because the alternate MACs are bundled with
4135 		 * slot[1] through slot[num_factory_mmac]
4136 		 */
4137 		mutex_exit(nxgep->genlock);
4138 		return (EINVAL);
4139 	}
4140 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4141 		mutex_exit(nxgep->genlock);
4142 		return (EBUSY);
4143 	}
4144 	/* Verify the address to be reserved */
4145 	if (!mac_unicst_verify(nxgep->mach,
4146 	    mmac_info->factory_mac_pool[slot], ETHERADDRL)) {
4147 		mutex_exit(nxgep->genlock);
4148 		return (EINVAL);
4149 	}
4150 	if (err = nxge_altmac_set(nxgep,
4151 	    mmac_info->factory_mac_pool[slot], slot)) {
4152 		mutex_exit(nxgep->genlock);
4153 		return (err);
4154 	}
4155 	bcopy(mmac_info->factory_mac_pool[slot], maddr->mma_addr, ETHERADDRL);
4156 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4157 	mmac_info->naddrfree--;
4158 
4159 	nxge_mmac_kstat_update(nxgep, slot, B_TRUE);
4160 	mutex_exit(nxgep->genlock);
4161 
4162 	/* Pass info back to the caller */
4163 	maddr->mma_slot = slot;
4164 	maddr->mma_addrlen = ETHERADDRL;
4165 	maddr->mma_flags = MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4166 
4167 	return (0);
4168 }
4169 
4170 /*
4171  * Remove the specified mac address and update the HW not to filter
4172  * the mac address anymore.
4173  */
4174 int
4175 nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot)
4176 {
4177 	p_nxge_t nxgep = arg;
4178 	nxge_mmac_t *mmac_info;
4179 	uint8_t addrn;
4180 	uint8_t portn;
4181 	int err = 0;
4182 	nxge_status_t status;
4183 
4184 	mutex_enter(nxgep->genlock);
4185 
4186 	/*
4187 	 * Make sure that nxge is initialized, if _start() has
4188 	 * not been called.
4189 	 */
4190 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4191 		status = nxge_init(nxgep);
4192 		if (status != NXGE_OK) {
4193 			mutex_exit(nxgep->genlock);
4194 			return (ENXIO);
4195 		}
4196 	}
4197 
4198 	mmac_info = &nxgep->nxge_mmac_info;
4199 	if (slot < 1 || slot > mmac_info->num_mmac) {
4200 		mutex_exit(nxgep->genlock);
4201 		return (EINVAL);
4202 	}
4203 
4204 	portn = nxgep->mac.portnum;
4205 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
4206 		addrn = (uint8_t)slot - 1;
4207 	else
4208 		addrn = (uint8_t)slot;
4209 
4210 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4211 		if (npi_mac_altaddr_disable(nxgep->npi_handle, portn, addrn)
4212 		    == NPI_SUCCESS) {
4213 			mmac_info->naddrfree++;
4214 			mmac_info->mac_pool[slot].flags &= ~MMAC_SLOT_USED;
4215 			/*
4216 			 * Regardless if the MAC we just stopped filtering
4217 			 * is a user addr or a facory addr, we must set
4218 			 * the MMAC_VENDOR_ADDR flag if this slot has an
4219 			 * associated factory MAC to indicate that a factory
4220 			 * MAC is available.
4221 			 */
4222 			if (slot <= mmac_info->num_factory_mmac) {
4223 				mmac_info->mac_pool[slot].flags
4224 				    |= MMAC_VENDOR_ADDR;
4225 			}
4226 			/*
4227 			 * Clear mac_pool[slot].addr so that kstat shows 0
4228 			 * alternate MAC address if the slot is not used.
4229 			 * (But nxge_m_mmac_get returns the factory MAC even
4230 			 * when the slot is not used!)
4231 			 */
4232 			bzero(mmac_info->mac_pool[slot].addr, ETHERADDRL);
4233 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4234 		} else {
4235 			err = EIO;
4236 		}
4237 	} else {
4238 		err = EINVAL;
4239 	}
4240 
4241 	mutex_exit(nxgep->genlock);
4242 	return (err);
4243 }
4244 
4245 /*
4246  * Modify a mac address added by nxge_m_mmac_add or nxge_m_mmac_reserve().
4247  */
4248 static int
4249 nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr)
4250 {
4251 	p_nxge_t nxgep = arg;
4252 	mac_addr_slot_t slot;
4253 	nxge_mmac_t *mmac_info;
4254 	int err = 0;
4255 	nxge_status_t status;
4256 
4257 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4258 	    maddr->mma_addrlen))
4259 		return (EINVAL);
4260 
4261 	slot = maddr->mma_slot;
4262 
4263 	mutex_enter(nxgep->genlock);
4264 
4265 	/*
4266 	 * Make sure that nxge is initialized, if _start() has
4267 	 * not been called.
4268 	 */
4269 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4270 		status = nxge_init(nxgep);
4271 		if (status != NXGE_OK) {
4272 			mutex_exit(nxgep->genlock);
4273 			return (ENXIO);
4274 		}
4275 	}
4276 
4277 	mmac_info = &nxgep->nxge_mmac_info;
4278 	if (slot < 1 || slot > mmac_info->num_mmac) {
4279 		mutex_exit(nxgep->genlock);
4280 		return (EINVAL);
4281 	}
4282 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4283 		if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot))
4284 		    != 0) {
4285 			bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr,
4286 			    ETHERADDRL);
4287 			/*
4288 			 * Assume that the MAC passed down from the caller
4289 			 * is not a factory MAC address (The user should
4290 			 * call mmac_remove followed by mmac_reserve if
4291 			 * he wants to use the factory MAC for this slot).
4292 			 */
4293 			mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4294 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4295 		}
4296 	} else {
4297 		err = EINVAL;
4298 	}
4299 	mutex_exit(nxgep->genlock);
4300 	return (err);
4301 }
4302 
4303 /*
4304  * nxge_m_mmac_get() - Get the MAC address and other information
4305  * related to the slot.  mma_flags should be set to 0 in the call.
4306  * Note: although kstat shows MAC address as zero when a slot is
4307  * not used, Crossbow expects nxge_m_mmac_get to copy factory MAC
4308  * to the caller as long as the slot is not using a user MAC address.
4309  * The following table shows the rules,
4310  *
4311  *				   USED    VENDOR    mma_addr
4312  * ------------------------------------------------------------
4313  * (1) Slot uses a user MAC:        yes      no     user MAC
4314  * (2) Slot uses a factory MAC:     yes      yes    factory MAC
4315  * (3) Slot is not used but is
4316  *     factory MAC capable:         no       yes    factory MAC
4317  * (4) Slot is not used and is
4318  *     not factory MAC capable:     no       no        0
4319  * ------------------------------------------------------------
4320  */
4321 static int
4322 nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr)
4323 {
4324 	nxge_t *nxgep = arg;
4325 	mac_addr_slot_t slot;
4326 	nxge_mmac_t *mmac_info;
4327 	nxge_status_t status;
4328 
4329 	slot = maddr->mma_slot;
4330 
4331 	mutex_enter(nxgep->genlock);
4332 
4333 	/*
4334 	 * Make sure that nxge is initialized, if _start() has
4335 	 * not been called.
4336 	 */
4337 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4338 		status = nxge_init(nxgep);
4339 		if (status != NXGE_OK) {
4340 			mutex_exit(nxgep->genlock);
4341 			return (ENXIO);
4342 		}
4343 	}
4344 
4345 	mmac_info = &nxgep->nxge_mmac_info;
4346 
4347 	if (slot < 1 || slot > mmac_info->num_mmac) {
4348 		mutex_exit(nxgep->genlock);
4349 		return (EINVAL);
4350 	}
4351 	maddr->mma_flags = 0;
4352 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED)
4353 		maddr->mma_flags |= MMAC_SLOT_USED;
4354 
4355 	if (mmac_info->mac_pool[slot].flags & MMAC_VENDOR_ADDR) {
4356 		maddr->mma_flags |= MMAC_VENDOR_ADDR;
4357 		bcopy(mmac_info->factory_mac_pool[slot],
4358 		    maddr->mma_addr, ETHERADDRL);
4359 		maddr->mma_addrlen = ETHERADDRL;
4360 	} else {
4361 		if (maddr->mma_flags & MMAC_SLOT_USED) {
4362 			bcopy(mmac_info->mac_pool[slot].addr,
4363 			    maddr->mma_addr, ETHERADDRL);
4364 			maddr->mma_addrlen = ETHERADDRL;
4365 		} else {
4366 			bzero(maddr->mma_addr, ETHERADDRL);
4367 			maddr->mma_addrlen = 0;
4368 		}
4369 	}
4370 	mutex_exit(nxgep->genlock);
4371 	return (0);
4372 }
4373 
4374 static boolean_t
4375 nxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
4376 {
4377 	nxge_t *nxgep = arg;
4378 	uint32_t *txflags = cap_data;
4379 	multiaddress_capab_t *mmacp = cap_data;
4380 
4381 	switch (cap) {
4382 	case MAC_CAPAB_HCKSUM:
4383 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4384 		    "==> nxge_m_getcapab: checksum %d", nxge_cksum_offload));
4385 		if (nxge_cksum_offload <= 1) {
4386 			*txflags = HCKSUM_INET_PARTIAL;
4387 		}
4388 		break;
4389 
4390 	case MAC_CAPAB_POLL:
4391 		/*
4392 		 * There's nothing for us to fill in, simply returning
4393 		 * B_TRUE stating that we support polling is sufficient.
4394 		 */
4395 		break;
4396 
4397 	case MAC_CAPAB_MULTIADDRESS:
4398 		mmacp = (multiaddress_capab_t *)cap_data;
4399 		mutex_enter(nxgep->genlock);
4400 
4401 		mmacp->maddr_naddr = nxgep->nxge_mmac_info.num_mmac;
4402 		mmacp->maddr_naddrfree = nxgep->nxge_mmac_info.naddrfree;
4403 		mmacp->maddr_flag = 0; /* 0 is required by PSARC2006/265 */
4404 		/*
4405 		 * maddr_handle is driver's private data, passed back to
4406 		 * entry point functions as arg.
4407 		 */
4408 		mmacp->maddr_handle	= nxgep;
4409 		mmacp->maddr_add	= nxge_m_mmac_add;
4410 		mmacp->maddr_remove	= nxge_m_mmac_remove;
4411 		mmacp->maddr_modify	= nxge_m_mmac_modify;
4412 		mmacp->maddr_get	= nxge_m_mmac_get;
4413 		mmacp->maddr_reserve	= nxge_m_mmac_reserve;
4414 
4415 		mutex_exit(nxgep->genlock);
4416 		break;
4417 
4418 	case MAC_CAPAB_LSO: {
4419 		mac_capab_lso_t *cap_lso = cap_data;
4420 
4421 		if (nxgep->soft_lso_enable) {
4422 			if (nxge_cksum_offload <= 1) {
4423 				cap_lso->lso_flags = LSO_TX_BASIC_TCP_IPV4;
4424 				if (nxge_lso_max > NXGE_LSO_MAXLEN) {
4425 					nxge_lso_max = NXGE_LSO_MAXLEN;
4426 				}
4427 				cap_lso->lso_basic_tcp_ipv4.lso_max =
4428 				    nxge_lso_max;
4429 			}
4430 			break;
4431 		} else {
4432 			return (B_FALSE);
4433 		}
4434 	}
4435 
4436 #if defined(sun4v)
4437 	case MAC_CAPAB_RINGS: {
4438 		mac_capab_rings_t *mrings = (mac_capab_rings_t *)cap_data;
4439 
4440 		/*
4441 		 * Only the service domain driver responds to
4442 		 * this capability request.
4443 		 */
4444 		if (isLDOMservice(nxgep)) {
4445 			mrings->mr_handle = (void *)nxgep;
4446 
4447 			/*
4448 			 * No dynamic allocation of groups and
4449 			 * rings at this time.  Shares dictate the
4450 			 * configurartion.
4451 			 */
4452 			mrings->mr_gadd_ring = NULL;
4453 			mrings->mr_grem_ring = NULL;
4454 			mrings->mr_rget = NULL;
4455 			mrings->mr_gget = nxge_hio_group_get;
4456 
4457 			if (mrings->mr_type == MAC_RING_TYPE_RX) {
4458 				mrings->mr_rnum = 8; /* XXX */
4459 				mrings->mr_gnum = 6; /* XXX */
4460 			} else {
4461 				mrings->mr_rnum = 8; /* XXX */
4462 				mrings->mr_gnum = 0; /* XXX */
4463 			}
4464 		} else
4465 			return (B_FALSE);
4466 		break;
4467 	}
4468 
4469 	case MAC_CAPAB_SHARES: {
4470 		mac_capab_share_t *mshares = (mac_capab_share_t *)cap_data;
4471 
4472 		/*
4473 		 * Only the service domain driver responds to
4474 		 * this capability request.
4475 		 */
4476 		if (isLDOMservice(nxgep)) {
4477 			mshares->ms_snum = 3;
4478 			mshares->ms_handle = (void *)nxgep;
4479 			mshares->ms_salloc = nxge_hio_share_alloc;
4480 			mshares->ms_sfree = nxge_hio_share_free;
4481 			mshares->ms_sadd = NULL;
4482 			mshares->ms_sremove = NULL;
4483 			mshares->ms_squery = nxge_hio_share_query;
4484 		} else
4485 			return (B_FALSE);
4486 		break;
4487 	}
4488 #endif
4489 	default:
4490 		return (B_FALSE);
4491 	}
4492 	return (B_TRUE);
4493 }
4494 
4495 static boolean_t
4496 nxge_param_locked(mac_prop_id_t pr_num)
4497 {
4498 	/*
4499 	 * All adv_* parameters are locked (read-only) while
4500 	 * the device is in any sort of loopback mode ...
4501 	 */
4502 	switch (pr_num) {
4503 		case DLD_PROP_ADV_1000FDX_CAP:
4504 		case DLD_PROP_EN_1000FDX_CAP:
4505 		case DLD_PROP_ADV_1000HDX_CAP:
4506 		case DLD_PROP_EN_1000HDX_CAP:
4507 		case DLD_PROP_ADV_100FDX_CAP:
4508 		case DLD_PROP_EN_100FDX_CAP:
4509 		case DLD_PROP_ADV_100HDX_CAP:
4510 		case DLD_PROP_EN_100HDX_CAP:
4511 		case DLD_PROP_ADV_10FDX_CAP:
4512 		case DLD_PROP_EN_10FDX_CAP:
4513 		case DLD_PROP_ADV_10HDX_CAP:
4514 		case DLD_PROP_EN_10HDX_CAP:
4515 		case DLD_PROP_AUTONEG:
4516 		case DLD_PROP_FLOWCTRL:
4517 			return (B_TRUE);
4518 	}
4519 	return (B_FALSE);
4520 }
4521 
4522 /*
4523  * callback functions for set/get of properties
4524  */
4525 static int
4526 nxge_m_setprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4527     uint_t pr_valsize, const void *pr_val)
4528 {
4529 	nxge_t		*nxgep = barg;
4530 	p_nxge_param_t	param_arr;
4531 	p_nxge_stats_t	statsp;
4532 	int		err = 0;
4533 	uint8_t		val;
4534 	uint32_t	cur_mtu, new_mtu, old_framesize;
4535 	link_flowctrl_t	fl;
4536 
4537 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_setprop"));
4538 	param_arr = nxgep->param_arr;
4539 	statsp = nxgep->statsp;
4540 	mutex_enter(nxgep->genlock);
4541 	if (statsp->port_stats.lb_mode != nxge_lb_normal &&
4542 	    nxge_param_locked(pr_num)) {
4543 		/*
4544 		 * All adv_* parameters are locked (read-only)
4545 		 * while the device is in any sort of loopback mode.
4546 		 */
4547 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4548 		    "==> nxge_m_setprop: loopback mode: read only"));
4549 		mutex_exit(nxgep->genlock);
4550 		return (EBUSY);
4551 	}
4552 
4553 	val = *(uint8_t *)pr_val;
4554 	switch (pr_num) {
4555 		case DLD_PROP_EN_1000FDX_CAP:
4556 			nxgep->param_en_1000fdx = val;
4557 			param_arr[param_anar_1000fdx].value = val;
4558 
4559 			goto reprogram;
4560 
4561 		case DLD_PROP_EN_100FDX_CAP:
4562 			nxgep->param_en_100fdx = val;
4563 			param_arr[param_anar_100fdx].value = val;
4564 
4565 			goto reprogram;
4566 
4567 		case DLD_PROP_EN_10FDX_CAP:
4568 			nxgep->param_en_10fdx = val;
4569 			param_arr[param_anar_10fdx].value = val;
4570 
4571 			goto reprogram;
4572 
4573 		case DLD_PROP_EN_1000HDX_CAP:
4574 		case DLD_PROP_EN_100HDX_CAP:
4575 		case DLD_PROP_EN_10HDX_CAP:
4576 		case DLD_PROP_ADV_1000FDX_CAP:
4577 		case DLD_PROP_ADV_1000HDX_CAP:
4578 		case DLD_PROP_ADV_100FDX_CAP:
4579 		case DLD_PROP_ADV_100HDX_CAP:
4580 		case DLD_PROP_ADV_10FDX_CAP:
4581 		case DLD_PROP_ADV_10HDX_CAP:
4582 		case DLD_PROP_STATUS:
4583 		case DLD_PROP_SPEED:
4584 		case DLD_PROP_DUPLEX:
4585 			err = EINVAL; /* cannot set read-only properties */
4586 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4587 			    "==> nxge_m_setprop:  read only property %d",
4588 			    pr_num));
4589 			break;
4590 
4591 		case DLD_PROP_AUTONEG:
4592 			param_arr[param_autoneg].value = val;
4593 
4594 			goto reprogram;
4595 
4596 		case DLD_PROP_MTU:
4597 			if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
4598 				err = EBUSY;
4599 				break;
4600 			}
4601 
4602 			cur_mtu = nxgep->mac.default_mtu;
4603 			bcopy(pr_val, &new_mtu, sizeof (new_mtu));
4604 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4605 			    "==> nxge_m_setprop: set MTU: %d is_jumbo %d",
4606 			    new_mtu, nxgep->mac.is_jumbo));
4607 
4608 			if (new_mtu == cur_mtu) {
4609 				err = 0;
4610 				break;
4611 			}
4612 			if (new_mtu < NXGE_DEFAULT_MTU ||
4613 			    new_mtu > NXGE_MAXIMUM_MTU) {
4614 				err = EINVAL;
4615 				break;
4616 			}
4617 
4618 			if ((new_mtu > NXGE_DEFAULT_MTU) &&
4619 			    !nxgep->mac.is_jumbo) {
4620 				err = EINVAL;
4621 				break;
4622 			}
4623 
4624 			old_framesize = (uint32_t)nxgep->mac.maxframesize;
4625 			nxgep->mac.maxframesize = (uint16_t)
4626 			    (new_mtu + NXGE_EHEADER_VLAN_CRC);
4627 			if (nxge_mac_set_framesize(nxgep)) {
4628 				nxgep->mac.maxframesize =
4629 				    (uint16_t)old_framesize;
4630 				err = EINVAL;
4631 				break;
4632 			}
4633 
4634 			err = mac_maxsdu_update(nxgep->mach, new_mtu);
4635 			if (err) {
4636 				nxgep->mac.maxframesize =
4637 				    (uint16_t)old_framesize;
4638 				err = EINVAL;
4639 				break;
4640 			}
4641 
4642 			nxgep->mac.default_mtu = new_mtu;
4643 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4644 			    "==> nxge_m_setprop: set MTU: %d maxframe %d",
4645 			    new_mtu, nxgep->mac.maxframesize));
4646 			break;
4647 
4648 		case DLD_PROP_FLOWCTRL:
4649 			bcopy(pr_val, &fl, sizeof (fl));
4650 			switch (fl) {
4651 			default:
4652 				err = EINVAL;
4653 				break;
4654 
4655 			case LINK_FLOWCTRL_NONE:
4656 				param_arr[param_anar_pause].value = 0;
4657 				break;
4658 
4659 			case LINK_FLOWCTRL_RX:
4660 				param_arr[param_anar_pause].value = 1;
4661 				break;
4662 
4663 			case LINK_FLOWCTRL_TX:
4664 			case LINK_FLOWCTRL_BI:
4665 				err = EINVAL;
4666 				break;
4667 			}
4668 
4669 reprogram:
4670 			if (err == 0) {
4671 				if (!nxge_param_link_update(nxgep)) {
4672 					err = EINVAL;
4673 				}
4674 			}
4675 			break;
4676 		case DLD_PROP_PRIVATE:
4677 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4678 			    "==> nxge_m_setprop: private property"));
4679 			err = nxge_set_priv_prop(nxgep, pr_name, pr_valsize,
4680 			    pr_val);
4681 			break;
4682 
4683 		default:
4684 			err = ENOTSUP;
4685 			break;
4686 	}
4687 
4688 	mutex_exit(nxgep->genlock);
4689 
4690 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4691 	    "<== nxge_m_setprop (return %d)", err));
4692 	return (err);
4693 }
4694 
4695 static int
4696 nxge_m_getprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4697     uint_t pr_flags, uint_t pr_valsize, void *pr_val)
4698 {
4699 	nxge_t 		*nxgep = barg;
4700 	p_nxge_param_t	param_arr = nxgep->param_arr;
4701 	p_nxge_stats_t	statsp = nxgep->statsp;
4702 	int		err = 0;
4703 	link_flowctrl_t	fl;
4704 	uint64_t	tmp = 0;
4705 	link_state_t	ls;
4706 	boolean_t	is_default = (pr_flags & DLD_DEFAULT);
4707 
4708 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4709 	    "==> nxge_m_getprop: pr_num %d", pr_num));
4710 
4711 	if (pr_valsize == 0)
4712 		return (EINVAL);
4713 
4714 	if ((is_default) && (pr_num != DLD_PROP_PRIVATE)) {
4715 		err = nxge_get_def_val(nxgep, pr_num, pr_valsize, pr_val);
4716 		return (err);
4717 	}
4718 
4719 	bzero(pr_val, pr_valsize);
4720 	switch (pr_num) {
4721 		case DLD_PROP_DUPLEX:
4722 			*(uint8_t *)pr_val = statsp->mac_stats.link_duplex;
4723 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4724 			    "==> nxge_m_getprop: duplex mode %d",
4725 			    *(uint8_t *)pr_val));
4726 			break;
4727 
4728 		case DLD_PROP_SPEED:
4729 			if (pr_valsize < sizeof (uint64_t))
4730 				return (EINVAL);
4731 			tmp = statsp->mac_stats.link_speed * 1000000ull;
4732 			bcopy(&tmp, pr_val, sizeof (tmp));
4733 			break;
4734 
4735 		case DLD_PROP_STATUS:
4736 			if (pr_valsize < sizeof (link_state_t))
4737 				return (EINVAL);
4738 			if (!statsp->mac_stats.link_up)
4739 				ls = LINK_STATE_DOWN;
4740 			else
4741 				ls = LINK_STATE_UP;
4742 			bcopy(&ls, pr_val, sizeof (ls));
4743 			break;
4744 
4745 		case DLD_PROP_AUTONEG:
4746 			*(uint8_t *)pr_val =
4747 			    param_arr[param_autoneg].value;
4748 			break;
4749 
4750 		case DLD_PROP_FLOWCTRL:
4751 			if (pr_valsize < sizeof (link_flowctrl_t))
4752 				return (EINVAL);
4753 
4754 			fl = LINK_FLOWCTRL_NONE;
4755 			if (param_arr[param_anar_pause].value) {
4756 				fl = LINK_FLOWCTRL_RX;
4757 			}
4758 			bcopy(&fl, pr_val, sizeof (fl));
4759 			break;
4760 
4761 		case DLD_PROP_ADV_1000FDX_CAP:
4762 			*(uint8_t *)pr_val =
4763 			    param_arr[param_anar_1000fdx].value;
4764 			break;
4765 
4766 		case DLD_PROP_EN_1000FDX_CAP:
4767 			*(uint8_t *)pr_val = nxgep->param_en_1000fdx;
4768 			break;
4769 
4770 		case DLD_PROP_ADV_100FDX_CAP:
4771 			*(uint8_t *)pr_val =
4772 			    param_arr[param_anar_100fdx].value;
4773 			break;
4774 
4775 		case DLD_PROP_EN_100FDX_CAP:
4776 			*(uint8_t *)pr_val = nxgep->param_en_100fdx;
4777 			break;
4778 
4779 		case DLD_PROP_ADV_10FDX_CAP:
4780 			*(uint8_t *)pr_val =
4781 			    param_arr[param_anar_10fdx].value;
4782 			break;
4783 
4784 		case DLD_PROP_EN_10FDX_CAP:
4785 			*(uint8_t *)pr_val = nxgep->param_en_10fdx;
4786 			break;
4787 
4788 		case DLD_PROP_EN_1000HDX_CAP:
4789 		case DLD_PROP_EN_100HDX_CAP:
4790 		case DLD_PROP_EN_10HDX_CAP:
4791 		case DLD_PROP_ADV_1000HDX_CAP:
4792 		case DLD_PROP_ADV_100HDX_CAP:
4793 		case DLD_PROP_ADV_10HDX_CAP:
4794 			err = ENOTSUP;
4795 			break;
4796 
4797 		case DLD_PROP_PRIVATE:
4798 			err = nxge_get_priv_prop(nxgep, pr_name, pr_flags,
4799 			    pr_valsize, pr_val);
4800 			break;
4801 		default:
4802 			err = EINVAL;
4803 			break;
4804 	}
4805 
4806 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_getprop"));
4807 
4808 	return (err);
4809 }
4810 
4811 /* ARGSUSED */
4812 static int
4813 nxge_set_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_valsize,
4814     const void *pr_val)
4815 {
4816 	p_nxge_param_t	param_arr = nxgep->param_arr;
4817 	int		err = 0;
4818 	long		result;
4819 
4820 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4821 	    "==> nxge_set_priv_prop: name %s", pr_name));
4822 
4823 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
4824 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4825 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4826 		    "<== nxge_set_priv_prop: name %s "
4827 		    "pr_val %s result %d "
4828 		    "param %d is_jumbo %d",
4829 		    pr_name, pr_val, result,
4830 		    param_arr[param_accept_jumbo].value,
4831 		    nxgep->mac.is_jumbo));
4832 
4833 		if (result > 1 || result < 0) {
4834 			err = EINVAL;
4835 		} else {
4836 			if (nxgep->mac.is_jumbo ==
4837 			    (uint32_t)result) {
4838 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4839 				    "no change (%d %d)",
4840 				    nxgep->mac.is_jumbo,
4841 				    result));
4842 				return (0);
4843 			}
4844 		}
4845 
4846 		param_arr[param_accept_jumbo].value = result;
4847 		nxgep->mac.is_jumbo = B_FALSE;
4848 		if (result) {
4849 			nxgep->mac.is_jumbo = B_TRUE;
4850 		}
4851 
4852 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4853 		    "<== nxge_set_priv_prop: name %s (value %d) is_jumbo %d",
4854 		    pr_name, result, nxgep->mac.is_jumbo));
4855 
4856 		return (err);
4857 	}
4858 
4859 	/* Blanking */
4860 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
4861 		err = nxge_param_rx_intr_time(nxgep, NULL, NULL,
4862 		    (char *)pr_val,
4863 		    (caddr_t)&param_arr[param_rxdma_intr_time]);
4864 		if (err) {
4865 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4866 			    "<== nxge_set_priv_prop: "
4867 			    "unable to set (%s)", pr_name));
4868 			err = EINVAL;
4869 		} else {
4870 			err = 0;
4871 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4872 			    "<== nxge_set_priv_prop: "
4873 			    "set (%s)", pr_name));
4874 		}
4875 
4876 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4877 		    "<== nxge_set_priv_prop: name %s (value %d)",
4878 		    pr_name, result));
4879 
4880 		return (err);
4881 	}
4882 
4883 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
4884 		err = nxge_param_rx_intr_pkts(nxgep, NULL, NULL,
4885 		    (char *)pr_val,
4886 		    (caddr_t)&param_arr[param_rxdma_intr_pkts]);
4887 		if (err) {
4888 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4889 			    "<== nxge_set_priv_prop: "
4890 			    "unable to set (%s)", pr_name));
4891 			err = EINVAL;
4892 		} else {
4893 			err = 0;
4894 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4895 			    "<== nxge_set_priv_prop: "
4896 			    "set (%s)", pr_name));
4897 		}
4898 
4899 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4900 		    "<== nxge_set_priv_prop: name %s (value %d)",
4901 		    pr_name, result));
4902 
4903 		return (err);
4904 	}
4905 
4906 	/* Classification */
4907 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
4908 		if (pr_val == NULL) {
4909 			err = EINVAL;
4910 			return (err);
4911 		}
4912 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4913 
4914 		err = nxge_param_set_ip_opt(nxgep, NULL,
4915 		    NULL, (char *)pr_val,
4916 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
4917 
4918 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4919 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4920 		    pr_name, result));
4921 
4922 		return (err);
4923 	}
4924 
4925 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
4926 		if (pr_val == NULL) {
4927 			err = EINVAL;
4928 			return (err);
4929 		}
4930 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4931 
4932 		err = nxge_param_set_ip_opt(nxgep, NULL,
4933 		    NULL, (char *)pr_val,
4934 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
4935 
4936 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4937 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4938 		    pr_name, result));
4939 
4940 		return (err);
4941 	}
4942 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
4943 		if (pr_val == NULL) {
4944 			err = EINVAL;
4945 			return (err);
4946 		}
4947 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4948 
4949 		err = nxge_param_set_ip_opt(nxgep, NULL,
4950 		    NULL, (char *)pr_val,
4951 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
4952 
4953 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4954 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4955 		    pr_name, result));
4956 
4957 		return (err);
4958 	}
4959 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
4960 		if (pr_val == NULL) {
4961 			err = EINVAL;
4962 			return (err);
4963 		}
4964 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4965 
4966 		err = nxge_param_set_ip_opt(nxgep, NULL,
4967 		    NULL, (char *)pr_val,
4968 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
4969 
4970 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4971 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4972 		    pr_name, result));
4973 
4974 		return (err);
4975 	}
4976 
4977 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
4978 		if (pr_val == NULL) {
4979 			err = EINVAL;
4980 			return (err);
4981 		}
4982 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4983 
4984 		err = nxge_param_set_ip_opt(nxgep, NULL,
4985 		    NULL, (char *)pr_val,
4986 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
4987 
4988 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4989 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4990 		    pr_name, result));
4991 
4992 		return (err);
4993 	}
4994 
4995 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
4996 		if (pr_val == NULL) {
4997 			err = EINVAL;
4998 			return (err);
4999 		}
5000 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5001 
5002 		err = nxge_param_set_ip_opt(nxgep, NULL,
5003 		    NULL, (char *)pr_val,
5004 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5005 
5006 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5007 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5008 		    pr_name, result));
5009 
5010 		return (err);
5011 	}
5012 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5013 		if (pr_val == NULL) {
5014 			err = EINVAL;
5015 			return (err);
5016 		}
5017 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5018 
5019 		err = nxge_param_set_ip_opt(nxgep, NULL,
5020 		    NULL, (char *)pr_val,
5021 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5022 
5023 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5024 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5025 		    pr_name, result));
5026 
5027 		return (err);
5028 	}
5029 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5030 		if (pr_val == NULL) {
5031 			err = EINVAL;
5032 			return (err);
5033 		}
5034 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5035 
5036 		err = nxge_param_set_ip_opt(nxgep, NULL,
5037 		    NULL, (char *)pr_val,
5038 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5039 
5040 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5041 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5042 		    pr_name, result));
5043 
5044 		return (err);
5045 	}
5046 
5047 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5048 		if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
5049 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5050 			    "==> nxge_set_priv_prop: name %s (busy)", pr_name));
5051 			err = EBUSY;
5052 			return (err);
5053 		}
5054 		if (pr_val == NULL) {
5055 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5056 			    "==> nxge_set_priv_prop: name %s (null)", pr_name));
5057 			err = EINVAL;
5058 			return (err);
5059 		}
5060 
5061 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5062 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5063 		    "<== nxge_set_priv_prop: name %s "
5064 		    "(lso %d pr_val %s value %d)",
5065 		    pr_name, nxgep->soft_lso_enable, pr_val, result));
5066 
5067 		if (result > 1 || result < 0) {
5068 			err = EINVAL;
5069 		} else {
5070 			if (nxgep->soft_lso_enable == (uint32_t)result) {
5071 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5072 				    "no change (%d %d)",
5073 				    nxgep->soft_lso_enable, result));
5074 				return (0);
5075 			}
5076 		}
5077 
5078 		nxgep->soft_lso_enable = (int)result;
5079 
5080 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5081 		    "<== nxge_set_priv_prop: name %s (value %d)",
5082 		    pr_name, result));
5083 
5084 		return (err);
5085 	}
5086 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5087 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5088 		    (caddr_t)&param_arr[param_anar_10gfdx]);
5089 		return (err);
5090 	}
5091 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5092 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5093 		    (caddr_t)&param_arr[param_anar_pause]);
5094 		return (err);
5095 	}
5096 
5097 	return (EINVAL);
5098 }
5099 
5100 static int
5101 nxge_get_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_flags,
5102     uint_t pr_valsize, void *pr_val)
5103 {
5104 	p_nxge_param_t	param_arr = nxgep->param_arr;
5105 	char		valstr[MAXNAMELEN];
5106 	int		err = EINVAL;
5107 	uint_t		strsize;
5108 	boolean_t	is_default = (pr_flags & DLD_DEFAULT);
5109 
5110 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5111 	    "==> nxge_get_priv_prop: property %s", pr_name));
5112 
5113 	/* function number */
5114 	if (strcmp(pr_name, "_function_number") == 0) {
5115 		if (is_default)
5116 			return (ENOTSUP);
5117 		(void) snprintf(valstr, sizeof (valstr), "%d",
5118 		    nxgep->function_num);
5119 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5120 		    "==> nxge_get_priv_prop: name %s "
5121 		    "(value %d valstr %s)",
5122 		    pr_name, nxgep->function_num, valstr));
5123 
5124 		err = 0;
5125 		goto done;
5126 	}
5127 
5128 	/* Neptune firmware version */
5129 	if (strcmp(pr_name, "_fw_version") == 0) {
5130 		if (is_default)
5131 			return (ENOTSUP);
5132 		(void) snprintf(valstr, sizeof (valstr), "%s",
5133 		    nxgep->vpd_info.ver);
5134 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5135 		    "==> nxge_get_priv_prop: name %s "
5136 		    "(value %d valstr %s)",
5137 		    pr_name, nxgep->vpd_info.ver, valstr));
5138 
5139 		err = 0;
5140 		goto done;
5141 	}
5142 
5143 	/* port PHY mode */
5144 	if (strcmp(pr_name, "_port_mode") == 0) {
5145 		if (is_default)
5146 			return (ENOTSUP);
5147 		switch (nxgep->mac.portmode) {
5148 		case PORT_1G_COPPER:
5149 			(void) snprintf(valstr, sizeof (valstr), "1G copper %s",
5150 			    nxgep->hot_swappable_phy ?
5151 			    "[Hot Swappable]" : "");
5152 			break;
5153 		case PORT_1G_FIBER:
5154 			(void) snprintf(valstr, sizeof (valstr), "1G fiber %s",
5155 			    nxgep->hot_swappable_phy ?
5156 			    "[hot swappable]" : "");
5157 			break;
5158 		case PORT_10G_COPPER:
5159 			(void) snprintf(valstr, sizeof (valstr),
5160 			    "10G copper %s",
5161 			    nxgep->hot_swappable_phy ?
5162 			    "[hot swappable]" : "");
5163 			break;
5164 		case PORT_10G_FIBER:
5165 			(void) snprintf(valstr, sizeof (valstr), "10G fiber %s",
5166 			    nxgep->hot_swappable_phy ?
5167 			    "[hot swappable]" : "");
5168 			break;
5169 		case PORT_10G_SERDES:
5170 			(void) snprintf(valstr, sizeof (valstr),
5171 			    "10G serdes %s", nxgep->hot_swappable_phy ?
5172 			    "[hot swappable]" : "");
5173 			break;
5174 		case PORT_1G_SERDES:
5175 			(void) snprintf(valstr, sizeof (valstr), "1G serdes %s",
5176 			    nxgep->hot_swappable_phy ?
5177 			    "[hot swappable]" : "");
5178 			break;
5179 		case PORT_1G_RGMII_FIBER:
5180 			(void) snprintf(valstr, sizeof (valstr),
5181 			    "1G rgmii fiber %s", nxgep->hot_swappable_phy ?
5182 			    "[hot swappable]" : "");
5183 			break;
5184 		case PORT_HSP_MODE:
5185 			(void) snprintf(valstr, sizeof (valstr),
5186 			    "phy not present[hot swappable]");
5187 			break;
5188 		default:
5189 			(void) snprintf(valstr, sizeof (valstr), "unknown %s",
5190 			    nxgep->hot_swappable_phy ?
5191 			    "[hot swappable]" : "");
5192 			break;
5193 		}
5194 
5195 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5196 		    "==> nxge_get_priv_prop: name %s (value %s)",
5197 		    pr_name, valstr));
5198 
5199 		err = 0;
5200 		goto done;
5201 	}
5202 
5203 	/* Hot swappable PHY */
5204 	if (strcmp(pr_name, "_hot_swap_phy") == 0) {
5205 		if (is_default)
5206 			return (ENOTSUP);
5207 		(void) snprintf(valstr, sizeof (valstr), "%s",
5208 		    nxgep->hot_swappable_phy ?
5209 		    "yes" : "no");
5210 
5211 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5212 		    "==> nxge_get_priv_prop: name %s "
5213 		    "(value %d valstr %s)",
5214 		    pr_name, nxgep->hot_swappable_phy, valstr));
5215 
5216 		err = 0;
5217 		goto done;
5218 	}
5219 
5220 
5221 	/* accept jumbo */
5222 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
5223 		if (is_default)
5224 			(void) snprintf(valstr, sizeof (valstr),  "%d", 0);
5225 		else
5226 			(void) snprintf(valstr, sizeof (valstr),
5227 			    "%d", nxgep->mac.is_jumbo);
5228 		err = 0;
5229 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5230 		    "==> nxge_get_priv_prop: name %s (value %d (%d, %d))",
5231 		    pr_name,
5232 		    (uint32_t)param_arr[param_accept_jumbo].value,
5233 		    nxgep->mac.is_jumbo,
5234 		    nxge_jumbo_enable));
5235 
5236 		goto done;
5237 	}
5238 
5239 	/* Receive Interrupt Blanking Parameters */
5240 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
5241 		err = 0;
5242 		if (is_default) {
5243 			(void) snprintf(valstr, sizeof (valstr),
5244 			    "%d", RXDMA_RCR_TO_DEFAULT);
5245 			goto done;
5246 		}
5247 
5248 		(void) snprintf(valstr, sizeof (valstr), "%d",
5249 		    nxgep->intr_timeout);
5250 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5251 		    "==> nxge_get_priv_prop: name %s (value %d)",
5252 		    pr_name,
5253 		    (uint32_t)nxgep->intr_timeout));
5254 		goto done;
5255 	}
5256 
5257 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
5258 		err = 0;
5259 		if (is_default) {
5260 			(void) snprintf(valstr, sizeof (valstr),
5261 			    "%d", RXDMA_RCR_PTHRES_DEFAULT);
5262 			goto done;
5263 		}
5264 		(void) snprintf(valstr, sizeof (valstr), "%d",
5265 		    nxgep->intr_threshold);
5266 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5267 		    "==> nxge_get_priv_prop: name %s (value %d)",
5268 		    pr_name, (uint32_t)nxgep->intr_threshold));
5269 
5270 		goto done;
5271 	}
5272 
5273 	/* Classification and Load Distribution Configuration */
5274 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
5275 		if (is_default) {
5276 			(void) snprintf(valstr, sizeof (valstr), "%x",
5277 			    NXGE_CLASS_FLOW_GEN_SERVER);
5278 			err = 0;
5279 			goto done;
5280 		}
5281 		err = nxge_dld_get_ip_opt(nxgep,
5282 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
5283 
5284 		(void) snprintf(valstr, sizeof (valstr), "%x",
5285 		    (int)param_arr[param_class_opt_ipv4_tcp].value);
5286 
5287 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5288 		    "==> nxge_get_priv_prop: %s", valstr));
5289 		goto done;
5290 	}
5291 
5292 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
5293 		if (is_default) {
5294 			(void) snprintf(valstr, sizeof (valstr), "%x",
5295 			    NXGE_CLASS_FLOW_GEN_SERVER);
5296 			err = 0;
5297 			goto done;
5298 		}
5299 		err = nxge_dld_get_ip_opt(nxgep,
5300 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
5301 
5302 		(void) snprintf(valstr, sizeof (valstr), "%x",
5303 		    (int)param_arr[param_class_opt_ipv4_udp].value);
5304 
5305 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5306 		    "==> nxge_get_priv_prop: %s", valstr));
5307 		goto done;
5308 	}
5309 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
5310 		if (is_default) {
5311 			(void) snprintf(valstr, sizeof (valstr), "%x",
5312 			    NXGE_CLASS_FLOW_GEN_SERVER);
5313 			err = 0;
5314 			goto done;
5315 		}
5316 		err = nxge_dld_get_ip_opt(nxgep,
5317 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
5318 
5319 		(void) snprintf(valstr, sizeof (valstr), "%x",
5320 		    (int)param_arr[param_class_opt_ipv4_ah].value);
5321 
5322 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5323 		    "==> nxge_get_priv_prop: %s", valstr));
5324 		goto done;
5325 	}
5326 
5327 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
5328 		if (is_default) {
5329 			(void) snprintf(valstr, sizeof (valstr), "%x",
5330 			    NXGE_CLASS_FLOW_GEN_SERVER);
5331 			err = 0;
5332 			goto done;
5333 		}
5334 		err = nxge_dld_get_ip_opt(nxgep,
5335 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
5336 
5337 		(void) snprintf(valstr, sizeof (valstr), "%x",
5338 		    (int)param_arr[param_class_opt_ipv4_sctp].value);
5339 
5340 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5341 		    "==> nxge_get_priv_prop: %s", valstr));
5342 		goto done;
5343 	}
5344 
5345 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
5346 		if (is_default) {
5347 			(void) snprintf(valstr, sizeof (valstr), "%x",
5348 			    NXGE_CLASS_FLOW_GEN_SERVER);
5349 			err = 0;
5350 			goto done;
5351 		}
5352 		err = nxge_dld_get_ip_opt(nxgep,
5353 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
5354 
5355 		(void) snprintf(valstr, sizeof (valstr), "%x",
5356 		    (int)param_arr[param_class_opt_ipv6_tcp].value);
5357 
5358 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5359 		    "==> nxge_get_priv_prop: %s", valstr));
5360 		goto done;
5361 	}
5362 
5363 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
5364 		if (is_default) {
5365 			(void) snprintf(valstr, sizeof (valstr), "%x",
5366 			    NXGE_CLASS_FLOW_GEN_SERVER);
5367 			err = 0;
5368 			goto done;
5369 		}
5370 		err = nxge_dld_get_ip_opt(nxgep,
5371 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5372 
5373 		(void) snprintf(valstr, sizeof (valstr), "%x",
5374 		    (int)param_arr[param_class_opt_ipv6_udp].value);
5375 
5376 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5377 		    "==> nxge_get_priv_prop: %s", valstr));
5378 		goto done;
5379 	}
5380 
5381 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5382 		if (is_default) {
5383 			(void) snprintf(valstr, sizeof (valstr), "%x",
5384 			    NXGE_CLASS_FLOW_GEN_SERVER);
5385 			err = 0;
5386 			goto done;
5387 		}
5388 		err = nxge_dld_get_ip_opt(nxgep,
5389 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5390 
5391 		(void) snprintf(valstr, sizeof (valstr), "%x",
5392 		    (int)param_arr[param_class_opt_ipv6_ah].value);
5393 
5394 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5395 		    "==> nxge_get_priv_prop: %s", valstr));
5396 		goto done;
5397 	}
5398 
5399 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5400 		if (is_default) {
5401 			(void) snprintf(valstr, sizeof (valstr), "%x",
5402 			    NXGE_CLASS_FLOW_GEN_SERVER);
5403 			err = 0;
5404 			goto done;
5405 		}
5406 		err = nxge_dld_get_ip_opt(nxgep,
5407 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5408 
5409 		(void) snprintf(valstr, sizeof (valstr), "%x",
5410 		    (int)param_arr[param_class_opt_ipv6_sctp].value);
5411 
5412 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5413 		    "==> nxge_get_priv_prop: %s", valstr));
5414 		goto done;
5415 	}
5416 
5417 	/* Software LSO */
5418 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5419 		if (is_default) {
5420 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5421 			err = 0;
5422 			goto done;
5423 		}
5424 		(void) snprintf(valstr, sizeof (valstr),
5425 		    "%d", nxgep->soft_lso_enable);
5426 		err = 0;
5427 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5428 		    "==> nxge_get_priv_prop: name %s (value %d)",
5429 		    pr_name, nxgep->soft_lso_enable));
5430 
5431 		goto done;
5432 	}
5433 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5434 		err = 0;
5435 		if (is_default ||
5436 		    nxgep->param_arr[param_anar_10gfdx].value != 0) {
5437 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5438 			goto done;
5439 		} else {
5440 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5441 			goto done;
5442 		}
5443 	}
5444 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5445 		err = 0;
5446 		if (is_default ||
5447 		    nxgep->param_arr[param_anar_pause].value != 0) {
5448 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5449 			goto done;
5450 		} else {
5451 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5452 			goto done;
5453 		}
5454 	}
5455 
5456 done:
5457 	if (err == 0) {
5458 		strsize = (uint_t)strlen(valstr);
5459 		if (pr_valsize < strsize) {
5460 			err = ENOBUFS;
5461 		} else {
5462 			(void) strlcpy(pr_val, valstr, pr_valsize);
5463 		}
5464 	}
5465 
5466 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5467 	    "<== nxge_get_priv_prop: return %d", err));
5468 	return (err);
5469 }
5470 
5471 /*
5472  * Module loading and removing entry points.
5473  */
5474 
5475 static	struct cb_ops 	nxge_cb_ops = {
5476 	nodev,			/* cb_open */
5477 	nodev,			/* cb_close */
5478 	nodev,			/* cb_strategy */
5479 	nodev,			/* cb_print */
5480 	nodev,			/* cb_dump */
5481 	nodev,			/* cb_read */
5482 	nodev,			/* cb_write */
5483 	nodev,			/* cb_ioctl */
5484 	nodev,			/* cb_devmap */
5485 	nodev,			/* cb_mmap */
5486 	nodev,			/* cb_segmap */
5487 	nochpoll,		/* cb_chpoll */
5488 	ddi_prop_op,		/* cb_prop_op */
5489 	NULL,
5490 	D_MP, 			/* cb_flag */
5491 	CB_REV,			/* rev */
5492 	nodev,			/* int (*cb_aread)() */
5493 	nodev			/* int (*cb_awrite)() */
5494 };
5495 
5496 static struct dev_ops nxge_dev_ops = {
5497 	DEVO_REV,		/* devo_rev */
5498 	0,			/* devo_refcnt */
5499 	nulldev,
5500 	nulldev,		/* devo_identify */
5501 	nulldev,		/* devo_probe */
5502 	nxge_attach,		/* devo_attach */
5503 	nxge_detach,		/* devo_detach */
5504 	nodev,			/* devo_reset */
5505 	&nxge_cb_ops,		/* devo_cb_ops */
5506 	(struct bus_ops *)NULL, /* devo_bus_ops	*/
5507 	ddi_power		/* devo_power */
5508 };
5509 
5510 extern	struct	mod_ops	mod_driverops;
5511 
5512 #define	NXGE_DESC_VER		"Sun NIU 10Gb Ethernet"
5513 
5514 /*
5515  * Module linkage information for the kernel.
5516  */
5517 static struct modldrv 	nxge_modldrv = {
5518 	&mod_driverops,
5519 	NXGE_DESC_VER,
5520 	&nxge_dev_ops
5521 };
5522 
5523 static struct modlinkage modlinkage = {
5524 	MODREV_1, (void *) &nxge_modldrv, NULL
5525 };
5526 
5527 int
5528 _init(void)
5529 {
5530 	int		status;
5531 
5532 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
5533 	mac_init_ops(&nxge_dev_ops, "nxge");
5534 	status = ddi_soft_state_init(&nxge_list, sizeof (nxge_t), 0);
5535 	if (status != 0) {
5536 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
5537 		    "failed to init device soft state"));
5538 		goto _init_exit;
5539 	}
5540 	status = mod_install(&modlinkage);
5541 	if (status != 0) {
5542 		ddi_soft_state_fini(&nxge_list);
5543 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL, "Mod install failed"));
5544 		goto _init_exit;
5545 	}
5546 
5547 	MUTEX_INIT(&nxge_common_lock, NULL, MUTEX_DRIVER, NULL);
5548 
5549 _init_exit:
5550 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
5551 
5552 	return (status);
5553 }
5554 
5555 int
5556 _fini(void)
5557 {
5558 	int		status;
5559 
5560 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
5561 
5562 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
5563 
5564 	if (nxge_mblks_pending)
5565 		return (EBUSY);
5566 
5567 	status = mod_remove(&modlinkage);
5568 	if (status != DDI_SUCCESS) {
5569 		NXGE_DEBUG_MSG((NULL, MOD_CTL,
5570 		    "Module removal failed 0x%08x",
5571 		    status));
5572 		goto _fini_exit;
5573 	}
5574 
5575 	mac_fini_ops(&nxge_dev_ops);
5576 
5577 	ddi_soft_state_fini(&nxge_list);
5578 
5579 	MUTEX_DESTROY(&nxge_common_lock);
5580 _fini_exit:
5581 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
5582 
5583 	return (status);
5584 }
5585 
5586 int
5587 _info(struct modinfo *modinfop)
5588 {
5589 	int		status;
5590 
5591 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
5592 	status = mod_info(&modlinkage, modinfop);
5593 	NXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
5594 
5595 	return (status);
5596 }
5597 
5598 /*ARGSUSED*/
5599 static nxge_status_t
5600 nxge_add_intrs(p_nxge_t nxgep)
5601 {
5602 
5603 	int		intr_types;
5604 	int		type = 0;
5605 	int		ddi_status = DDI_SUCCESS;
5606 	nxge_status_t	status = NXGE_OK;
5607 
5608 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs"));
5609 
5610 	nxgep->nxge_intr_type.intr_registered = B_FALSE;
5611 	nxgep->nxge_intr_type.intr_enabled = B_FALSE;
5612 	nxgep->nxge_intr_type.msi_intx_cnt = 0;
5613 	nxgep->nxge_intr_type.intr_added = 0;
5614 	nxgep->nxge_intr_type.niu_msi_enable = B_FALSE;
5615 	nxgep->nxge_intr_type.intr_type = 0;
5616 
5617 	if (nxgep->niu_type == N2_NIU) {
5618 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5619 	} else if (nxge_msi_enable) {
5620 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5621 	}
5622 
5623 	/* Get the supported interrupt types */
5624 	if ((ddi_status = ddi_intr_get_supported_types(nxgep->dip, &intr_types))
5625 	    != DDI_SUCCESS) {
5626 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_intrs: "
5627 		    "ddi_intr_get_supported_types failed: status 0x%08x",
5628 		    ddi_status));
5629 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5630 	}
5631 	nxgep->nxge_intr_type.intr_types = intr_types;
5632 
5633 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5634 	    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5635 
5636 	/*
5637 	 * Solaris MSIX is not supported yet. use MSI for now.
5638 	 * nxge_msi_enable (1):
5639 	 *	1 - MSI		2 - MSI-X	others - FIXED
5640 	 */
5641 	switch (nxge_msi_enable) {
5642 	default:
5643 		type = DDI_INTR_TYPE_FIXED;
5644 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5645 		    "use fixed (intx emulation) type %08x",
5646 		    type));
5647 		break;
5648 
5649 	case 2:
5650 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5651 		    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5652 		if (intr_types & DDI_INTR_TYPE_MSIX) {
5653 			type = DDI_INTR_TYPE_MSIX;
5654 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5655 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5656 			    type));
5657 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
5658 			type = DDI_INTR_TYPE_MSI;
5659 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5660 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5661 			    type));
5662 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5663 			type = DDI_INTR_TYPE_FIXED;
5664 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5665 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5666 			    type));
5667 		}
5668 		break;
5669 
5670 	case 1:
5671 		if (intr_types & DDI_INTR_TYPE_MSI) {
5672 			type = DDI_INTR_TYPE_MSI;
5673 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5674 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5675 			    type));
5676 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
5677 			type = DDI_INTR_TYPE_MSIX;
5678 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5679 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5680 			    type));
5681 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5682 			type = DDI_INTR_TYPE_FIXED;
5683 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5684 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5685 			    type));
5686 		}
5687 	}
5688 
5689 	nxgep->nxge_intr_type.intr_type = type;
5690 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
5691 	    type == DDI_INTR_TYPE_FIXED) &&
5692 	    nxgep->nxge_intr_type.niu_msi_enable) {
5693 		if ((status = nxge_add_intrs_adv(nxgep)) != DDI_SUCCESS) {
5694 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5695 			    " nxge_add_intrs: "
5696 			    " nxge_add_intrs_adv failed: status 0x%08x",
5697 			    status));
5698 			return (status);
5699 		} else {
5700 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5701 			    "interrupts registered : type %d", type));
5702 			nxgep->nxge_intr_type.intr_registered = B_TRUE;
5703 
5704 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5705 			    "\nAdded advanced nxge add_intr_adv "
5706 			    "intr type 0x%x\n", type));
5707 
5708 			return (status);
5709 		}
5710 	}
5711 
5712 	if (!nxgep->nxge_intr_type.intr_registered) {
5713 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_add_intrs: "
5714 		    "failed to register interrupts"));
5715 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5716 	}
5717 
5718 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_add_intrs"));
5719 	return (status);
5720 }
5721 
5722 /*ARGSUSED*/
5723 static nxge_status_t
5724 nxge_add_soft_intrs(p_nxge_t nxgep)
5725 {
5726 
5727 	int		ddi_status = DDI_SUCCESS;
5728 	nxge_status_t	status = NXGE_OK;
5729 
5730 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_soft_intrs"));
5731 
5732 	nxgep->resched_id = NULL;
5733 	nxgep->resched_running = B_FALSE;
5734 	ddi_status = ddi_add_softintr(nxgep->dip, DDI_SOFTINT_LOW,
5735 	    &nxgep->resched_id,
5736 	    NULL, NULL, nxge_reschedule, (caddr_t)nxgep);
5737 	if (ddi_status != DDI_SUCCESS) {
5738 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_soft_intrs: "
5739 		    "ddi_add_softintrs failed: status 0x%08x",
5740 		    ddi_status));
5741 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5742 	}
5743 
5744 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_ddi_add_soft_intrs"));
5745 
5746 	return (status);
5747 }
5748 
5749 static nxge_status_t
5750 nxge_add_intrs_adv(p_nxge_t nxgep)
5751 {
5752 	int		intr_type;
5753 	p_nxge_intr_t	intrp;
5754 
5755 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv"));
5756 
5757 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5758 	intr_type = intrp->intr_type;
5759 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv: type 0x%x",
5760 	    intr_type));
5761 
5762 	switch (intr_type) {
5763 	case DDI_INTR_TYPE_MSI: /* 0x2 */
5764 	case DDI_INTR_TYPE_MSIX: /* 0x4 */
5765 		return (nxge_add_intrs_adv_type(nxgep, intr_type));
5766 
5767 	case DDI_INTR_TYPE_FIXED: /* 0x1 */
5768 		return (nxge_add_intrs_adv_type_fix(nxgep, intr_type));
5769 
5770 	default:
5771 		return (NXGE_ERROR);
5772 	}
5773 }
5774 
5775 
5776 /*ARGSUSED*/
5777 static nxge_status_t
5778 nxge_add_intrs_adv_type(p_nxge_t nxgep, uint32_t int_type)
5779 {
5780 	dev_info_t		*dip = nxgep->dip;
5781 	p_nxge_ldg_t		ldgp;
5782 	p_nxge_intr_t		intrp;
5783 	uint_t			*inthandler;
5784 	void			*arg1, *arg2;
5785 	int			behavior;
5786 	int			nintrs, navail, nrequest;
5787 	int			nactual, nrequired;
5788 	int			inum = 0;
5789 	int			x, y;
5790 	int			ddi_status = DDI_SUCCESS;
5791 	nxge_status_t		status = NXGE_OK;
5792 
5793 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type"));
5794 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5795 	intrp->start_inum = 0;
5796 
5797 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
5798 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
5799 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5800 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
5801 		    "nintrs: %d", ddi_status, nintrs));
5802 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5803 	}
5804 
5805 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
5806 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
5807 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5808 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
5809 		    "nintrs: %d", ddi_status, navail));
5810 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5811 	}
5812 
5813 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
5814 	    "ddi_intr_get_navail() returned: nintrs %d, navail %d",
5815 	    nintrs, navail));
5816 
5817 	/* PSARC/2007/453 MSI-X interrupt limit override */
5818 	if (int_type == DDI_INTR_TYPE_MSIX) {
5819 		nrequest = nxge_create_msi_property(nxgep);
5820 		if (nrequest < navail) {
5821 			navail = nrequest;
5822 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5823 			    "nxge_add_intrs_adv_type: nintrs %d "
5824 			    "navail %d (nrequest %d)",
5825 			    nintrs, navail, nrequest));
5826 		}
5827 	}
5828 
5829 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
5830 		/* MSI must be power of 2 */
5831 		if ((navail & 16) == 16) {
5832 			navail = 16;
5833 		} else if ((navail & 8) == 8) {
5834 			navail = 8;
5835 		} else if ((navail & 4) == 4) {
5836 			navail = 4;
5837 		} else if ((navail & 2) == 2) {
5838 			navail = 2;
5839 		} else {
5840 			navail = 1;
5841 		}
5842 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5843 		    "ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
5844 		    "navail %d", nintrs, navail));
5845 	}
5846 
5847 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
5848 	    DDI_INTR_ALLOC_NORMAL);
5849 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
5850 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
5851 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
5852 	    navail, &nactual, behavior);
5853 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
5854 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5855 		    " ddi_intr_alloc() failed: %d",
5856 		    ddi_status));
5857 		kmem_free(intrp->htable, intrp->intr_size);
5858 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5859 	}
5860 
5861 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
5862 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
5863 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5864 		    " ddi_intr_get_pri() failed: %d",
5865 		    ddi_status));
5866 		/* Free already allocated interrupts */
5867 		for (y = 0; y < nactual; y++) {
5868 			(void) ddi_intr_free(intrp->htable[y]);
5869 		}
5870 
5871 		kmem_free(intrp->htable, intrp->intr_size);
5872 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5873 	}
5874 
5875 	nrequired = 0;
5876 	switch (nxgep->niu_type) {
5877 	default:
5878 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
5879 		break;
5880 
5881 	case N2_NIU:
5882 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
5883 		break;
5884 	}
5885 
5886 	if (status != NXGE_OK) {
5887 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5888 		    "nxge_add_intrs_adv_typ:nxge_ldgv_init "
5889 		    "failed: 0x%x", status));
5890 		/* Free already allocated interrupts */
5891 		for (y = 0; y < nactual; y++) {
5892 			(void) ddi_intr_free(intrp->htable[y]);
5893 		}
5894 
5895 		kmem_free(intrp->htable, intrp->intr_size);
5896 		return (status);
5897 	}
5898 
5899 	ldgp = nxgep->ldgvp->ldgp;
5900 	for (x = 0; x < nrequired; x++, ldgp++) {
5901 		ldgp->vector = (uint8_t)x;
5902 		ldgp->intdata = SID_DATA(ldgp->func, x);
5903 		arg1 = ldgp->ldvp;
5904 		arg2 = nxgep;
5905 		if (ldgp->nldvs == 1) {
5906 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
5907 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5908 			    "nxge_add_intrs_adv_type: "
5909 			    "arg1 0x%x arg2 0x%x: "
5910 			    "1-1 int handler (entry %d intdata 0x%x)\n",
5911 			    arg1, arg2,
5912 			    x, ldgp->intdata));
5913 		} else if (ldgp->nldvs > 1) {
5914 			inthandler = (uint_t *)ldgp->sys_intr_handler;
5915 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5916 			    "nxge_add_intrs_adv_type: "
5917 			    "arg1 0x%x arg2 0x%x: "
5918 			    "nldevs %d int handler "
5919 			    "(entry %d intdata 0x%x)\n",
5920 			    arg1, arg2,
5921 			    ldgp->nldvs, x, ldgp->intdata));
5922 		}
5923 
5924 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5925 		    "==> nxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
5926 		    "htable 0x%llx", x, intrp->htable[x]));
5927 
5928 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
5929 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
5930 		    != DDI_SUCCESS) {
5931 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5932 			    "==> nxge_add_intrs_adv_type: failed #%d "
5933 			    "status 0x%x", x, ddi_status));
5934 			for (y = 0; y < intrp->intr_added; y++) {
5935 				(void) ddi_intr_remove_handler(
5936 				    intrp->htable[y]);
5937 			}
5938 			/* Free already allocated intr */
5939 			for (y = 0; y < nactual; y++) {
5940 				(void) ddi_intr_free(intrp->htable[y]);
5941 			}
5942 			kmem_free(intrp->htable, intrp->intr_size);
5943 
5944 			(void) nxge_ldgv_uninit(nxgep);
5945 
5946 			return (NXGE_ERROR | NXGE_DDI_FAILED);
5947 		}
5948 		intrp->intr_added++;
5949 	}
5950 
5951 	intrp->msi_intx_cnt = nactual;
5952 
5953 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5954 	    "Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
5955 	    navail, nactual,
5956 	    intrp->msi_intx_cnt,
5957 	    intrp->intr_added));
5958 
5959 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
5960 
5961 	(void) nxge_intr_ldgv_init(nxgep);
5962 
5963 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type"));
5964 
5965 	return (status);
5966 }
5967 
5968 /*ARGSUSED*/
5969 static nxge_status_t
5970 nxge_add_intrs_adv_type_fix(p_nxge_t nxgep, uint32_t int_type)
5971 {
5972 	dev_info_t		*dip = nxgep->dip;
5973 	p_nxge_ldg_t		ldgp;
5974 	p_nxge_intr_t		intrp;
5975 	uint_t			*inthandler;
5976 	void			*arg1, *arg2;
5977 	int			behavior;
5978 	int			nintrs, navail;
5979 	int			nactual, nrequired;
5980 	int			inum = 0;
5981 	int			x, y;
5982 	int			ddi_status = DDI_SUCCESS;
5983 	nxge_status_t		status = NXGE_OK;
5984 
5985 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type_fix"));
5986 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5987 	intrp->start_inum = 0;
5988 
5989 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
5990 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
5991 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5992 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
5993 		    "nintrs: %d", status, nintrs));
5994 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5995 	}
5996 
5997 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
5998 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
5999 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6000 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
6001 		    "nintrs: %d", ddi_status, navail));
6002 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6003 	}
6004 
6005 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
6006 	    "ddi_intr_get_navail() returned: nintrs %d, naavail %d",
6007 	    nintrs, navail));
6008 
6009 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
6010 	    DDI_INTR_ALLOC_NORMAL);
6011 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
6012 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
6013 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
6014 	    navail, &nactual, behavior);
6015 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
6016 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6017 		    " ddi_intr_alloc() failed: %d",
6018 		    ddi_status));
6019 		kmem_free(intrp->htable, intrp->intr_size);
6020 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6021 	}
6022 
6023 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
6024 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
6025 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6026 		    " ddi_intr_get_pri() failed: %d",
6027 		    ddi_status));
6028 		/* Free already allocated interrupts */
6029 		for (y = 0; y < nactual; y++) {
6030 			(void) ddi_intr_free(intrp->htable[y]);
6031 		}
6032 
6033 		kmem_free(intrp->htable, intrp->intr_size);
6034 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6035 	}
6036 
6037 	nrequired = 0;
6038 	switch (nxgep->niu_type) {
6039 	default:
6040 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
6041 		break;
6042 
6043 	case N2_NIU:
6044 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
6045 		break;
6046 	}
6047 
6048 	if (status != NXGE_OK) {
6049 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6050 		    "nxge_add_intrs_adv_type_fix:nxge_ldgv_init "
6051 		    "failed: 0x%x", status));
6052 		/* Free already allocated interrupts */
6053 		for (y = 0; y < nactual; y++) {
6054 			(void) ddi_intr_free(intrp->htable[y]);
6055 		}
6056 
6057 		kmem_free(intrp->htable, intrp->intr_size);
6058 		return (status);
6059 	}
6060 
6061 	ldgp = nxgep->ldgvp->ldgp;
6062 	for (x = 0; x < nrequired; x++, ldgp++) {
6063 		ldgp->vector = (uint8_t)x;
6064 		if (nxgep->niu_type != N2_NIU) {
6065 			ldgp->intdata = SID_DATA(ldgp->func, x);
6066 		}
6067 
6068 		arg1 = ldgp->ldvp;
6069 		arg2 = nxgep;
6070 		if (ldgp->nldvs == 1) {
6071 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
6072 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6073 			    "nxge_add_intrs_adv_type_fix: "
6074 			    "1-1 int handler(%d) ldg %d ldv %d "
6075 			    "arg1 $%p arg2 $%p\n",
6076 			    x, ldgp->ldg, ldgp->ldvp->ldv,
6077 			    arg1, arg2));
6078 		} else if (ldgp->nldvs > 1) {
6079 			inthandler = (uint_t *)ldgp->sys_intr_handler;
6080 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6081 			    "nxge_add_intrs_adv_type_fix: "
6082 			    "shared ldv %d int handler(%d) ldv %d ldg %d"
6083 			    "arg1 0x%016llx arg2 0x%016llx\n",
6084 			    x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
6085 			    arg1, arg2));
6086 		}
6087 
6088 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
6089 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
6090 		    != DDI_SUCCESS) {
6091 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6092 			    "==> nxge_add_intrs_adv_type_fix: failed #%d "
6093 			    "status 0x%x", x, ddi_status));
6094 			for (y = 0; y < intrp->intr_added; y++) {
6095 				(void) ddi_intr_remove_handler(
6096 				    intrp->htable[y]);
6097 			}
6098 			for (y = 0; y < nactual; y++) {
6099 				(void) ddi_intr_free(intrp->htable[y]);
6100 			}
6101 			/* Free already allocated intr */
6102 			kmem_free(intrp->htable, intrp->intr_size);
6103 
6104 			(void) nxge_ldgv_uninit(nxgep);
6105 
6106 			return (NXGE_ERROR | NXGE_DDI_FAILED);
6107 		}
6108 		intrp->intr_added++;
6109 	}
6110 
6111 	intrp->msi_intx_cnt = nactual;
6112 
6113 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
6114 
6115 	status = nxge_intr_ldgv_init(nxgep);
6116 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type_fix"));
6117 
6118 	return (status);
6119 }
6120 
6121 static void
6122 nxge_remove_intrs(p_nxge_t nxgep)
6123 {
6124 	int		i, inum;
6125 	p_nxge_intr_t	intrp;
6126 
6127 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs"));
6128 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6129 	if (!intrp->intr_registered) {
6130 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6131 		    "<== nxge_remove_intrs: interrupts not registered"));
6132 		return;
6133 	}
6134 
6135 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs:advanced"));
6136 
6137 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6138 		(void) ddi_intr_block_disable(intrp->htable,
6139 		    intrp->intr_added);
6140 	} else {
6141 		for (i = 0; i < intrp->intr_added; i++) {
6142 			(void) ddi_intr_disable(intrp->htable[i]);
6143 		}
6144 	}
6145 
6146 	for (inum = 0; inum < intrp->intr_added; inum++) {
6147 		if (intrp->htable[inum]) {
6148 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
6149 		}
6150 	}
6151 
6152 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
6153 		if (intrp->htable[inum]) {
6154 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6155 			    "nxge_remove_intrs: ddi_intr_free inum %d "
6156 			    "msi_intx_cnt %d intr_added %d",
6157 			    inum,
6158 			    intrp->msi_intx_cnt,
6159 			    intrp->intr_added));
6160 
6161 			(void) ddi_intr_free(intrp->htable[inum]);
6162 		}
6163 	}
6164 
6165 	kmem_free(intrp->htable, intrp->intr_size);
6166 	intrp->intr_registered = B_FALSE;
6167 	intrp->intr_enabled = B_FALSE;
6168 	intrp->msi_intx_cnt = 0;
6169 	intrp->intr_added = 0;
6170 
6171 	(void) nxge_ldgv_uninit(nxgep);
6172 
6173 	(void) ddi_prop_remove(DDI_DEV_T_NONE, nxgep->dip,
6174 	    "#msix-request");
6175 
6176 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_intrs"));
6177 }
6178 
6179 /*ARGSUSED*/
6180 static void
6181 nxge_remove_soft_intrs(p_nxge_t nxgep)
6182 {
6183 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_soft_intrs"));
6184 	if (nxgep->resched_id) {
6185 		ddi_remove_softintr(nxgep->resched_id);
6186 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6187 		    "==> nxge_remove_soft_intrs: removed"));
6188 		nxgep->resched_id = NULL;
6189 	}
6190 
6191 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_soft_intrs"));
6192 }
6193 
6194 /*ARGSUSED*/
6195 static void
6196 nxge_intrs_enable(p_nxge_t nxgep)
6197 {
6198 	p_nxge_intr_t	intrp;
6199 	int		i;
6200 	int		status;
6201 
6202 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable"));
6203 
6204 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6205 
6206 	if (!intrp->intr_registered) {
6207 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_intrs_enable: "
6208 		    "interrupts are not registered"));
6209 		return;
6210 	}
6211 
6212 	if (intrp->intr_enabled) {
6213 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6214 		    "<== nxge_intrs_enable: already enabled"));
6215 		return;
6216 	}
6217 
6218 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6219 		status = ddi_intr_block_enable(intrp->htable,
6220 		    intrp->intr_added);
6221 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6222 		    "block enable - status 0x%x total inums #%d\n",
6223 		    status, intrp->intr_added));
6224 	} else {
6225 		for (i = 0; i < intrp->intr_added; i++) {
6226 			status = ddi_intr_enable(intrp->htable[i]);
6227 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6228 			    "ddi_intr_enable:enable - status 0x%x "
6229 			    "total inums %d enable inum #%d\n",
6230 			    status, intrp->intr_added, i));
6231 			if (status == DDI_SUCCESS) {
6232 				intrp->intr_enabled = B_TRUE;
6233 			}
6234 		}
6235 	}
6236 
6237 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_enable"));
6238 }
6239 
6240 /*ARGSUSED*/
6241 static void
6242 nxge_intrs_disable(p_nxge_t nxgep)
6243 {
6244 	p_nxge_intr_t	intrp;
6245 	int		i;
6246 
6247 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_disable"));
6248 
6249 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6250 
6251 	if (!intrp->intr_registered) {
6252 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable: "
6253 		    "interrupts are not registered"));
6254 		return;
6255 	}
6256 
6257 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6258 		(void) ddi_intr_block_disable(intrp->htable,
6259 		    intrp->intr_added);
6260 	} else {
6261 		for (i = 0; i < intrp->intr_added; i++) {
6262 			(void) ddi_intr_disable(intrp->htable[i]);
6263 		}
6264 	}
6265 
6266 	intrp->intr_enabled = B_FALSE;
6267 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable"));
6268 }
6269 
6270 static nxge_status_t
6271 nxge_mac_register(p_nxge_t nxgep)
6272 {
6273 	mac_register_t *macp;
6274 	int		status;
6275 
6276 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_mac_register"));
6277 
6278 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
6279 		return (NXGE_ERROR);
6280 
6281 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
6282 	macp->m_driver = nxgep;
6283 	macp->m_dip = nxgep->dip;
6284 	macp->m_src_addr = nxgep->ouraddr.ether_addr_octet;
6285 	macp->m_callbacks = &nxge_m_callbacks;
6286 	macp->m_min_sdu = 0;
6287 	nxgep->mac.default_mtu = nxgep->mac.maxframesize -
6288 	    NXGE_EHEADER_VLAN_CRC;
6289 	macp->m_max_sdu = nxgep->mac.default_mtu;
6290 	macp->m_margin = VLAN_TAGSZ;
6291 	macp->m_priv_props = nxge_priv_props;
6292 	macp->m_priv_prop_count = NXGE_MAX_PRIV_PROPS;
6293 
6294 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
6295 	    "==> nxge_mac_register: instance %d "
6296 	    "max_sdu %d margin %d maxframe %d (header %d)",
6297 	    nxgep->instance,
6298 	    macp->m_max_sdu, macp->m_margin,
6299 	    nxgep->mac.maxframesize,
6300 	    NXGE_EHEADER_VLAN_CRC));
6301 
6302 	status = mac_register(macp, &nxgep->mach);
6303 	mac_free(macp);
6304 
6305 	if (status != 0) {
6306 		cmn_err(CE_WARN,
6307 		    "!nxge_mac_register failed (status %d instance %d)",
6308 		    status, nxgep->instance);
6309 		return (NXGE_ERROR);
6310 	}
6311 
6312 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_mac_register success "
6313 	    "(instance %d)", nxgep->instance));
6314 
6315 	return (NXGE_OK);
6316 }
6317 
6318 void
6319 nxge_err_inject(p_nxge_t nxgep, queue_t *wq, mblk_t *mp)
6320 {
6321 	ssize_t		size;
6322 	mblk_t		*nmp;
6323 	uint8_t		blk_id;
6324 	uint8_t		chan;
6325 	uint32_t	err_id;
6326 	err_inject_t	*eip;
6327 
6328 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_err_inject"));
6329 
6330 	size = 1024;
6331 	nmp = mp->b_cont;
6332 	eip = (err_inject_t *)nmp->b_rptr;
6333 	blk_id = eip->blk_id;
6334 	err_id = eip->err_id;
6335 	chan = eip->chan;
6336 	cmn_err(CE_NOTE, "!blk_id = 0x%x\n", blk_id);
6337 	cmn_err(CE_NOTE, "!err_id = 0x%x\n", err_id);
6338 	cmn_err(CE_NOTE, "!chan = 0x%x\n", chan);
6339 	switch (blk_id) {
6340 	case MAC_BLK_ID:
6341 		break;
6342 	case TXMAC_BLK_ID:
6343 		break;
6344 	case RXMAC_BLK_ID:
6345 		break;
6346 	case MIF_BLK_ID:
6347 		break;
6348 	case IPP_BLK_ID:
6349 		nxge_ipp_inject_err(nxgep, err_id);
6350 		break;
6351 	case TXC_BLK_ID:
6352 		nxge_txc_inject_err(nxgep, err_id);
6353 		break;
6354 	case TXDMA_BLK_ID:
6355 		nxge_txdma_inject_err(nxgep, err_id, chan);
6356 		break;
6357 	case RXDMA_BLK_ID:
6358 		nxge_rxdma_inject_err(nxgep, err_id, chan);
6359 		break;
6360 	case ZCP_BLK_ID:
6361 		nxge_zcp_inject_err(nxgep, err_id);
6362 		break;
6363 	case ESPC_BLK_ID:
6364 		break;
6365 	case FFLP_BLK_ID:
6366 		break;
6367 	case PHY_BLK_ID:
6368 		break;
6369 	case ETHER_SERDES_BLK_ID:
6370 		break;
6371 	case PCIE_SERDES_BLK_ID:
6372 		break;
6373 	case VIR_BLK_ID:
6374 		break;
6375 	}
6376 
6377 	nmp->b_wptr = nmp->b_rptr + size;
6378 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_err_inject"));
6379 
6380 	miocack(wq, mp, (int)size, 0);
6381 }
6382 
6383 static int
6384 nxge_init_common_dev(p_nxge_t nxgep)
6385 {
6386 	p_nxge_hw_list_t	hw_p;
6387 	dev_info_t 		*p_dip;
6388 
6389 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_init_common_device"));
6390 
6391 	p_dip = nxgep->p_dip;
6392 	MUTEX_ENTER(&nxge_common_lock);
6393 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6394 	    "==> nxge_init_common_dev:func # %d",
6395 	    nxgep->function_num));
6396 	/*
6397 	 * Loop through existing per neptune hardware list.
6398 	 */
6399 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6400 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6401 		    "==> nxge_init_common_device:func # %d "
6402 		    "hw_p $%p parent dip $%p",
6403 		    nxgep->function_num,
6404 		    hw_p,
6405 		    p_dip));
6406 		if (hw_p->parent_devp == p_dip) {
6407 			nxgep->nxge_hw_p = hw_p;
6408 			hw_p->ndevs++;
6409 			hw_p->nxge_p[nxgep->function_num] = nxgep;
6410 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6411 			    "==> nxge_init_common_device:func # %d "
6412 			    "hw_p $%p parent dip $%p "
6413 			    "ndevs %d (found)",
6414 			    nxgep->function_num,
6415 			    hw_p,
6416 			    p_dip,
6417 			    hw_p->ndevs));
6418 			break;
6419 		}
6420 	}
6421 
6422 	if (hw_p == NULL) {
6423 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6424 		    "==> nxge_init_common_device:func # %d "
6425 		    "parent dip $%p (new)",
6426 		    nxgep->function_num,
6427 		    p_dip));
6428 		hw_p = kmem_zalloc(sizeof (nxge_hw_list_t), KM_SLEEP);
6429 		hw_p->parent_devp = p_dip;
6430 		hw_p->magic = NXGE_NEPTUNE_MAGIC;
6431 		nxgep->nxge_hw_p = hw_p;
6432 		hw_p->ndevs++;
6433 		hw_p->nxge_p[nxgep->function_num] = nxgep;
6434 		hw_p->next = nxge_hw_list;
6435 		if (nxgep->niu_type == N2_NIU) {
6436 			hw_p->niu_type = N2_NIU;
6437 			hw_p->platform_type = P_NEPTUNE_NIU;
6438 		} else {
6439 			hw_p->niu_type = NIU_TYPE_NONE;
6440 			hw_p->platform_type = P_NEPTUNE_NONE;
6441 		}
6442 
6443 		MUTEX_INIT(&hw_p->nxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
6444 		MUTEX_INIT(&hw_p->nxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
6445 		MUTEX_INIT(&hw_p->nxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
6446 		MUTEX_INIT(&hw_p->nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
6447 
6448 		nxge_hw_list = hw_p;
6449 
6450 		(void) nxge_scan_ports_phy(nxgep, nxge_hw_list);
6451 	}
6452 
6453 	MUTEX_EXIT(&nxge_common_lock);
6454 
6455 	nxgep->platform_type = hw_p->platform_type;
6456 	if (nxgep->niu_type != N2_NIU) {
6457 		nxgep->niu_type = hw_p->niu_type;
6458 	}
6459 
6460 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6461 	    "==> nxge_init_common_device (nxge_hw_list) $%p",
6462 	    nxge_hw_list));
6463 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<== nxge_init_common_device"));
6464 
6465 	return (NXGE_OK);
6466 }
6467 
6468 static void
6469 nxge_uninit_common_dev(p_nxge_t nxgep)
6470 {
6471 	p_nxge_hw_list_t	hw_p, h_hw_p;
6472 	dev_info_t 		*p_dip;
6473 
6474 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_uninit_common_device"));
6475 	if (nxgep->nxge_hw_p == NULL) {
6476 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6477 		    "<== nxge_uninit_common_device (no common)"));
6478 		return;
6479 	}
6480 
6481 	MUTEX_ENTER(&nxge_common_lock);
6482 	h_hw_p = nxge_hw_list;
6483 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6484 		p_dip = hw_p->parent_devp;
6485 		if (nxgep->nxge_hw_p == hw_p &&
6486 		    p_dip == nxgep->p_dip &&
6487 		    nxgep->nxge_hw_p->magic == NXGE_NEPTUNE_MAGIC &&
6488 		    hw_p->magic == NXGE_NEPTUNE_MAGIC) {
6489 
6490 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6491 			    "==> nxge_uninit_common_device:func # %d "
6492 			    "hw_p $%p parent dip $%p "
6493 			    "ndevs %d (found)",
6494 			    nxgep->function_num,
6495 			    hw_p,
6496 			    p_dip,
6497 			    hw_p->ndevs));
6498 
6499 			if (hw_p->ndevs) {
6500 				hw_p->ndevs--;
6501 			}
6502 			hw_p->nxge_p[nxgep->function_num] = NULL;
6503 			if (!hw_p->ndevs) {
6504 				MUTEX_DESTROY(&hw_p->nxge_vlan_lock);
6505 				MUTEX_DESTROY(&hw_p->nxge_tcam_lock);
6506 				MUTEX_DESTROY(&hw_p->nxge_cfg_lock);
6507 				MUTEX_DESTROY(&hw_p->nxge_mdio_lock);
6508 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6509 				    "==> nxge_uninit_common_device: "
6510 				    "func # %d "
6511 				    "hw_p $%p parent dip $%p "
6512 				    "ndevs %d (last)",
6513 				    nxgep->function_num,
6514 				    hw_p,
6515 				    p_dip,
6516 				    hw_p->ndevs));
6517 
6518 				nxge_hio_uninit(nxgep);
6519 
6520 				if (hw_p == nxge_hw_list) {
6521 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6522 					    "==> nxge_uninit_common_device:"
6523 					    "remove head func # %d "
6524 					    "hw_p $%p parent dip $%p "
6525 					    "ndevs %d (head)",
6526 					    nxgep->function_num,
6527 					    hw_p,
6528 					    p_dip,
6529 					    hw_p->ndevs));
6530 					nxge_hw_list = hw_p->next;
6531 				} else {
6532 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6533 					    "==> nxge_uninit_common_device:"
6534 					    "remove middle func # %d "
6535 					    "hw_p $%p parent dip $%p "
6536 					    "ndevs %d (middle)",
6537 					    nxgep->function_num,
6538 					    hw_p,
6539 					    p_dip,
6540 					    hw_p->ndevs));
6541 					h_hw_p->next = hw_p->next;
6542 				}
6543 
6544 				nxgep->nxge_hw_p = NULL;
6545 				KMEM_FREE(hw_p, sizeof (nxge_hw_list_t));
6546 			}
6547 			break;
6548 		} else {
6549 			h_hw_p = hw_p;
6550 		}
6551 	}
6552 
6553 	MUTEX_EXIT(&nxge_common_lock);
6554 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6555 	    "==> nxge_uninit_common_device (nxge_hw_list) $%p",
6556 	    nxge_hw_list));
6557 
6558 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<= nxge_uninit_common_device"));
6559 }
6560 
6561 /*
6562  * Determines the number of ports from the niu_type or the platform type.
6563  * Returns the number of ports, or returns zero on failure.
6564  */
6565 
6566 int
6567 nxge_get_nports(p_nxge_t nxgep)
6568 {
6569 	int	nports = 0;
6570 
6571 	switch (nxgep->niu_type) {
6572 	case N2_NIU:
6573 	case NEPTUNE_2_10GF:
6574 		nports = 2;
6575 		break;
6576 	case NEPTUNE_4_1GC:
6577 	case NEPTUNE_2_10GF_2_1GC:
6578 	case NEPTUNE_1_10GF_3_1GC:
6579 	case NEPTUNE_1_1GC_1_10GF_2_1GC:
6580 	case NEPTUNE_2_10GF_2_1GRF:
6581 		nports = 4;
6582 		break;
6583 	default:
6584 		switch (nxgep->platform_type) {
6585 		case P_NEPTUNE_NIU:
6586 		case P_NEPTUNE_ATLAS_2PORT:
6587 			nports = 2;
6588 			break;
6589 		case P_NEPTUNE_ATLAS_4PORT:
6590 		case P_NEPTUNE_MARAMBA_P0:
6591 		case P_NEPTUNE_MARAMBA_P1:
6592 		case P_NEPTUNE_ALONSO:
6593 			nports = 4;
6594 			break;
6595 		default:
6596 			break;
6597 		}
6598 		break;
6599 	}
6600 
6601 	return (nports);
6602 }
6603 
6604 /*
6605  * The following two functions are to support
6606  * PSARC/2007/453 MSI-X interrupt limit override.
6607  */
6608 static int
6609 nxge_create_msi_property(p_nxge_t nxgep)
6610 {
6611 	int	nmsi;
6612 	extern	int ncpus;
6613 
6614 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==>nxge_create_msi_property"));
6615 
6616 	switch (nxgep->mac.portmode) {
6617 	case PORT_10G_COPPER:
6618 	case PORT_10G_FIBER:
6619 		(void) ddi_prop_create(DDI_DEV_T_NONE, nxgep->dip,
6620 		    DDI_PROP_CANSLEEP, "#msix-request", NULL, 0);
6621 		/*
6622 		 * The maximum MSI-X requested will be 8.
6623 		 * If the # of CPUs is less than 8, we will reqeust
6624 		 * # MSI-X based on the # of CPUs.
6625 		 */
6626 		if (ncpus >= NXGE_MSIX_REQUEST_10G) {
6627 			nmsi = NXGE_MSIX_REQUEST_10G;
6628 		} else {
6629 			nmsi = ncpus;
6630 		}
6631 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6632 		    "==>nxge_create_msi_property(10G): exists 0x%x (nmsi %d)",
6633 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6634 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6635 		break;
6636 
6637 	default:
6638 		nmsi = NXGE_MSIX_REQUEST_1G;
6639 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6640 		    "==>nxge_create_msi_property(1G): exists 0x%x (nmsi %d)",
6641 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6642 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6643 		break;
6644 	}
6645 
6646 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<==nxge_create_msi_property"));
6647 	return (nmsi);
6648 }
6649 
6650 /* ARGSUSED */
6651 static int
6652 nxge_get_def_val(nxge_t *nxgep, mac_prop_id_t pr_num, uint_t pr_valsize,
6653     void *pr_val)
6654 {
6655 	int err = 0;
6656 	link_flowctrl_t fl;
6657 
6658 	switch (pr_num) {
6659 	case DLD_PROP_AUTONEG:
6660 		*(uint8_t *)pr_val = 1;
6661 		break;
6662 	case DLD_PROP_FLOWCTRL:
6663 		if (pr_valsize < sizeof (link_flowctrl_t))
6664 			return (EINVAL);
6665 		fl = LINK_FLOWCTRL_RX;
6666 		bcopy(&fl, pr_val, sizeof (fl));
6667 		break;
6668 	case DLD_PROP_ADV_1000FDX_CAP:
6669 	case DLD_PROP_EN_1000FDX_CAP:
6670 		*(uint8_t *)pr_val = 1;
6671 		break;
6672 	case DLD_PROP_ADV_100FDX_CAP:
6673 	case DLD_PROP_EN_100FDX_CAP:
6674 		*(uint8_t *)pr_val = 1;
6675 		break;
6676 	default:
6677 		err = ENOTSUP;
6678 		break;
6679 	}
6680 	return (err);
6681 }
6682