xref: /titanic_50/usr/src/uts/common/io/nxge/nxge_main.c (revision ff17c8bf86c3e567734be83f90267edee20f580f)
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 a Neptune (PCI-E)
52  * hardware interrupt bug which the hardware
53  * may generate spurious interrupts after the
54  * device interrupt handler was removed. If this flag
55  * is enabled, the driver will reset the
56  * hardware when devices are being detached.
57  */
58 uint32_t	nxge_peu_reset_enable = 0;
59 
60 /*
61  * Software workaround for the hardware
62  * checksum bugs that affect packet transmission
63  * and receive:
64  *
65  * Usage of nxge_cksum_offload:
66  *
67  *  (1) nxge_cksum_offload = 0 (default):
68  *	- transmits packets:
69  *	  TCP: uses the hardware checksum feature.
70  *	  UDP: driver will compute the software checksum
71  *	       based on the partial checksum computed
72  *	       by the IP layer.
73  *	- receives packets
74  *	  TCP: marks packets checksum flags based on hardware result.
75  *	  UDP: will not mark checksum flags.
76  *
77  *  (2) nxge_cksum_offload = 1:
78  *	- transmit packets:
79  *	  TCP/UDP: uses the hardware checksum feature.
80  *	- receives packets
81  *	  TCP/UDP: marks packet checksum flags based on hardware result.
82  *
83  *  (3) nxge_cksum_offload = 2:
84  *	- The driver will not register its checksum capability.
85  *	  Checksum for both TCP and UDP will be computed
86  *	  by the stack.
87  *	- The software LSO is not allowed in this case.
88  *
89  *  (4) nxge_cksum_offload > 2:
90  *	- Will be treated as it is set to 2
91  *	  (stack will compute the checksum).
92  *
93  *  (5) If the hardware bug is fixed, this workaround
94  *	needs to be updated accordingly to reflect
95  *	the new hardware revision.
96  */
97 uint32_t	nxge_cksum_offload = 0;
98 
99 /*
100  * Globals: tunable parameters (/etc/system or adb)
101  *
102  */
103 uint32_t 	nxge_rbr_size = NXGE_RBR_RBB_DEFAULT;
104 uint32_t 	nxge_rbr_spare_size = 0;
105 uint32_t 	nxge_rcr_size = NXGE_RCR_DEFAULT;
106 uint32_t 	nxge_tx_ring_size = NXGE_TX_RING_DEFAULT;
107 boolean_t 	nxge_no_msg = B_TRUE;		/* control message display */
108 uint32_t 	nxge_no_link_notify = 0;	/* control DL_NOTIFY */
109 uint32_t 	nxge_bcopy_thresh = TX_BCOPY_MAX;
110 uint32_t 	nxge_dvma_thresh = TX_FASTDVMA_MIN;
111 uint32_t 	nxge_dma_stream_thresh = TX_STREAM_MIN;
112 uint32_t	nxge_jumbo_mtu	= TX_JUMBO_MTU;
113 boolean_t	nxge_jumbo_enable = B_FALSE;
114 uint16_t	nxge_rcr_timeout = NXGE_RDC_RCR_TIMEOUT;
115 uint16_t	nxge_rcr_threshold = NXGE_RDC_RCR_THRESHOLD;
116 nxge_tx_mode_t	nxge_tx_scheme = NXGE_USE_SERIAL;
117 
118 /* MAX LSO size */
119 #define		NXGE_LSO_MAXLEN	65535
120 uint32_t	nxge_lso_max = NXGE_LSO_MAXLEN;
121 
122 /*
123  * Debugging flags:
124  *		nxge_no_tx_lb : transmit load balancing
125  *		nxge_tx_lb_policy: 0 - TCP port (default)
126  *				   3 - DEST MAC
127  */
128 uint32_t 	nxge_no_tx_lb = 0;
129 uint32_t 	nxge_tx_lb_policy = NXGE_TX_LB_TCPUDP;
130 
131 /*
132  * Add tunable to reduce the amount of time spent in the
133  * ISR doing Rx Processing.
134  */
135 uint32_t nxge_max_rx_pkts = 1024;
136 
137 /*
138  * Tunables to manage the receive buffer blocks.
139  *
140  * nxge_rx_threshold_hi: copy all buffers.
141  * nxge_rx_bcopy_size_type: receive buffer block size type.
142  * nxge_rx_threshold_lo: copy only up to tunable block size type.
143  */
144 nxge_rxbuf_threshold_t nxge_rx_threshold_hi = NXGE_RX_COPY_6;
145 nxge_rxbuf_type_t nxge_rx_buf_size_type = RCR_PKTBUFSZ_0;
146 nxge_rxbuf_threshold_t nxge_rx_threshold_lo = NXGE_RX_COPY_3;
147 
148 /* Use kmem_alloc() to allocate data buffers. */
149 #if defined(_BIG_ENDIAN)
150 uint32_t	nxge_use_kmem_alloc = 1;
151 #else
152 uint32_t	nxge_use_kmem_alloc = 0;
153 #endif
154 
155 rtrace_t npi_rtracebuf;
156 
157 #if	defined(sun4v)
158 /*
159  * Hypervisor N2/NIU services information.
160  */
161 static hsvc_info_t niu_hsvc = {
162 	HSVC_REV_1, NULL, HSVC_GROUP_NIU, NIU_MAJOR_VER,
163 	NIU_MINOR_VER, "nxge"
164 };
165 
166 static int nxge_hsvc_register(p_nxge_t);
167 #endif
168 
169 /*
170  * Function Prototypes
171  */
172 static int nxge_attach(dev_info_t *, ddi_attach_cmd_t);
173 static int nxge_detach(dev_info_t *, ddi_detach_cmd_t);
174 static void nxge_unattach(p_nxge_t);
175 
176 #if NXGE_PROPERTY
177 static void nxge_remove_hard_properties(p_nxge_t);
178 #endif
179 
180 /*
181  * These two functions are required by nxge_hio.c
182  */
183 extern int nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr);
184 extern int nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot);
185 
186 static nxge_status_t nxge_setup_system_dma_pages(p_nxge_t);
187 
188 static nxge_status_t nxge_setup_mutexes(p_nxge_t);
189 static void nxge_destroy_mutexes(p_nxge_t);
190 
191 static nxge_status_t nxge_map_regs(p_nxge_t nxgep);
192 static void nxge_unmap_regs(p_nxge_t nxgep);
193 #ifdef	NXGE_DEBUG
194 static void nxge_test_map_regs(p_nxge_t nxgep);
195 #endif
196 
197 static nxge_status_t nxge_add_intrs(p_nxge_t nxgep);
198 static nxge_status_t nxge_add_soft_intrs(p_nxge_t nxgep);
199 static void nxge_remove_intrs(p_nxge_t nxgep);
200 static void nxge_remove_soft_intrs(p_nxge_t nxgep);
201 
202 static nxge_status_t nxge_add_intrs_adv(p_nxge_t nxgep);
203 static nxge_status_t nxge_add_intrs_adv_type(p_nxge_t, uint32_t);
204 static nxge_status_t nxge_add_intrs_adv_type_fix(p_nxge_t, uint32_t);
205 static void nxge_intrs_enable(p_nxge_t nxgep);
206 static void nxge_intrs_disable(p_nxge_t nxgep);
207 
208 static void nxge_suspend(p_nxge_t);
209 static nxge_status_t nxge_resume(p_nxge_t);
210 
211 static nxge_status_t nxge_setup_dev(p_nxge_t);
212 static void nxge_destroy_dev(p_nxge_t);
213 
214 static nxge_status_t nxge_alloc_mem_pool(p_nxge_t);
215 static void nxge_free_mem_pool(p_nxge_t);
216 
217 nxge_status_t nxge_alloc_rx_mem_pool(p_nxge_t);
218 static void nxge_free_rx_mem_pool(p_nxge_t);
219 
220 nxge_status_t nxge_alloc_tx_mem_pool(p_nxge_t);
221 static void nxge_free_tx_mem_pool(p_nxge_t);
222 
223 static nxge_status_t nxge_dma_mem_alloc(p_nxge_t, dma_method_t,
224 	struct ddi_dma_attr *,
225 	size_t, ddi_device_acc_attr_t *, uint_t,
226 	p_nxge_dma_common_t);
227 
228 static void nxge_dma_mem_free(p_nxge_dma_common_t);
229 static void nxge_dma_free_rx_data_buf(p_nxge_dma_common_t);
230 
231 static nxge_status_t nxge_alloc_rx_buf_dma(p_nxge_t, uint16_t,
232 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
233 static void nxge_free_rx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
234 
235 static nxge_status_t nxge_alloc_rx_cntl_dma(p_nxge_t, uint16_t,
236 	p_nxge_dma_common_t *, size_t);
237 static void nxge_free_rx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
238 
239 extern nxge_status_t nxge_alloc_tx_buf_dma(p_nxge_t, uint16_t,
240 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
241 static void nxge_free_tx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
242 
243 extern nxge_status_t nxge_alloc_tx_cntl_dma(p_nxge_t, uint16_t,
244 	p_nxge_dma_common_t *,
245 	size_t);
246 static void nxge_free_tx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
247 
248 static int nxge_init_common_dev(p_nxge_t);
249 static void nxge_uninit_common_dev(p_nxge_t);
250 extern int nxge_param_set_mac(p_nxge_t, queue_t *, mblk_t *,
251     char *, caddr_t);
252 
253 /*
254  * The next declarations are for the GLDv3 interface.
255  */
256 static int nxge_m_start(void *);
257 static void nxge_m_stop(void *);
258 static int nxge_m_unicst(void *, const uint8_t *);
259 static int nxge_m_multicst(void *, boolean_t, const uint8_t *);
260 static int nxge_m_promisc(void *, boolean_t);
261 static void nxge_m_ioctl(void *, queue_t *, mblk_t *);
262 static void nxge_m_resources(void *);
263 mblk_t *nxge_m_tx(void *arg, mblk_t *);
264 static nxge_status_t nxge_mac_register(p_nxge_t);
265 static int nxge_altmac_set(p_nxge_t nxgep, uint8_t *mac_addr,
266 	mac_addr_slot_t slot);
267 void nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot,
268 	boolean_t factory);
269 static int nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr);
270 static int nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr);
271 static int nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr);
272 static	boolean_t nxge_m_getcapab(void *, mac_capab_t, void *);
273 static int nxge_m_setprop(void *, const char *, mac_prop_id_t,
274     uint_t, const void *);
275 static int nxge_m_getprop(void *, const char *, mac_prop_id_t,
276     uint_t, uint_t, void *);
277 static int nxge_set_priv_prop(nxge_t *, const char *, uint_t,
278     const void *);
279 static int nxge_get_priv_prop(nxge_t *, const char *, uint_t, uint_t,
280     void *);
281 static int nxge_get_def_val(nxge_t *, mac_prop_id_t, uint_t, void *);
282 
283 static void nxge_niu_peu_reset(p_nxge_t nxgep);
284 
285 mac_priv_prop_t nxge_priv_props[] = {
286 	{"_adv_10gfdx_cap", MAC_PROP_PERM_RW},
287 	{"_adv_pause_cap", MAC_PROP_PERM_RW},
288 	{"_function_number", MAC_PROP_PERM_READ},
289 	{"_fw_version", MAC_PROP_PERM_READ},
290 	{"_port_mode", MAC_PROP_PERM_READ},
291 	{"_hot_swap_phy", MAC_PROP_PERM_READ},
292 	{"_accept_jumbo", MAC_PROP_PERM_RW},
293 	{"_rxdma_intr_time", MAC_PROP_PERM_RW},
294 	{"_rxdma_intr_pkts", MAC_PROP_PERM_RW},
295 	{"_class_opt_ipv4_tcp", MAC_PROP_PERM_RW},
296 	{"_class_opt_ipv4_udp", MAC_PROP_PERM_RW},
297 	{"_class_opt_ipv4_ah", MAC_PROP_PERM_RW},
298 	{"_class_opt_ipv4_sctp", MAC_PROP_PERM_RW},
299 	{"_class_opt_ipv6_tcp", MAC_PROP_PERM_RW},
300 	{"_class_opt_ipv6_udp", MAC_PROP_PERM_RW},
301 	{"_class_opt_ipv6_ah", MAC_PROP_PERM_RW},
302 	{"_class_opt_ipv6_sctp", MAC_PROP_PERM_RW},
303 	{"_soft_lso_enable", MAC_PROP_PERM_RW}
304 };
305 
306 #define	NXGE_MAX_PRIV_PROPS	\
307 	(sizeof (nxge_priv_props)/sizeof (mac_priv_prop_t))
308 
309 #define	NXGE_M_CALLBACK_FLAGS\
310 	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
311 
312 
313 #define	NXGE_NEPTUNE_MAGIC	0x4E584745UL
314 #define	MAX_DUMP_SZ 256
315 
316 #define	NXGE_M_CALLBACK_FLAGS	\
317 	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
318 
319 mac_callbacks_t nxge_m_callbacks = {
320 	NXGE_M_CALLBACK_FLAGS,
321 	nxge_m_stat,
322 	nxge_m_start,
323 	nxge_m_stop,
324 	nxge_m_promisc,
325 	nxge_m_multicst,
326 	nxge_m_unicst,
327 	nxge_m_tx,
328 	nxge_m_resources,
329 	nxge_m_ioctl,
330 	nxge_m_getcapab,
331 	NULL,
332 	NULL,
333 	nxge_m_setprop,
334 	nxge_m_getprop
335 };
336 
337 void
338 nxge_err_inject(p_nxge_t, queue_t *, mblk_t *);
339 
340 /* PSARC/2007/453 MSI-X interrupt limit override. */
341 #define	NXGE_MSIX_REQUEST_10G	8
342 #define	NXGE_MSIX_REQUEST_1G	2
343 static int nxge_create_msi_property(p_nxge_t);
344 
345 /*
346  * These global variables control the message
347  * output.
348  */
349 out_dbgmsg_t nxge_dbgmsg_out = DBG_CONSOLE | STR_LOG;
350 uint64_t nxge_debug_level;
351 
352 /*
353  * This list contains the instance structures for the Neptune
354  * devices present in the system. The lock exists to guarantee
355  * mutually exclusive access to the list.
356  */
357 void 			*nxge_list = NULL;
358 
359 void			*nxge_hw_list = NULL;
360 nxge_os_mutex_t 	nxge_common_lock;
361 
362 extern uint64_t 	npi_debug_level;
363 
364 extern nxge_status_t	nxge_ldgv_init(p_nxge_t, int *, int *);
365 extern nxge_status_t	nxge_ldgv_init_n2(p_nxge_t, int *, int *);
366 extern nxge_status_t	nxge_ldgv_uninit(p_nxge_t);
367 extern nxge_status_t	nxge_intr_ldgv_init(p_nxge_t);
368 extern void		nxge_fm_init(p_nxge_t,
369 					ddi_device_acc_attr_t *,
370 					ddi_device_acc_attr_t *,
371 					ddi_dma_attr_t *);
372 extern void		nxge_fm_fini(p_nxge_t);
373 extern npi_status_t	npi_mac_altaddr_disable(npi_handle_t, uint8_t, uint8_t);
374 
375 /*
376  * Count used to maintain the number of buffers being used
377  * by Neptune instances and loaned up to the upper layers.
378  */
379 uint32_t nxge_mblks_pending = 0;
380 
381 /*
382  * Device register access attributes for PIO.
383  */
384 static ddi_device_acc_attr_t nxge_dev_reg_acc_attr = {
385 	DDI_DEVICE_ATTR_V0,
386 	DDI_STRUCTURE_LE_ACC,
387 	DDI_STRICTORDER_ACC,
388 };
389 
390 /*
391  * Device descriptor access attributes for DMA.
392  */
393 static ddi_device_acc_attr_t nxge_dev_desc_dma_acc_attr = {
394 	DDI_DEVICE_ATTR_V0,
395 	DDI_STRUCTURE_LE_ACC,
396 	DDI_STRICTORDER_ACC
397 };
398 
399 /*
400  * Device buffer access attributes for DMA.
401  */
402 static ddi_device_acc_attr_t nxge_dev_buf_dma_acc_attr = {
403 	DDI_DEVICE_ATTR_V0,
404 	DDI_STRUCTURE_BE_ACC,
405 	DDI_STRICTORDER_ACC
406 };
407 
408 ddi_dma_attr_t nxge_desc_dma_attr = {
409 	DMA_ATTR_V0,		/* version number. */
410 	0,			/* low address */
411 	0xffffffffffffffff,	/* high address */
412 	0xffffffffffffffff,	/* address counter max */
413 #ifndef NIU_PA_WORKAROUND
414 	0x100000,		/* alignment */
415 #else
416 	0x2000,
417 #endif
418 	0xfc00fc,		/* dlim_burstsizes */
419 	0x1,			/* minimum transfer size */
420 	0xffffffffffffffff,	/* maximum transfer size */
421 	0xffffffffffffffff,	/* maximum segment size */
422 	1,			/* scatter/gather list length */
423 	(unsigned int) 1,	/* granularity */
424 	0			/* attribute flags */
425 };
426 
427 ddi_dma_attr_t nxge_tx_dma_attr = {
428 	DMA_ATTR_V0,		/* version number. */
429 	0,			/* low address */
430 	0xffffffffffffffff,	/* high address */
431 	0xffffffffffffffff,	/* address counter max */
432 #if defined(_BIG_ENDIAN)
433 	0x2000,			/* alignment */
434 #else
435 	0x1000,			/* alignment */
436 #endif
437 	0xfc00fc,		/* dlim_burstsizes */
438 	0x1,			/* minimum transfer size */
439 	0xffffffffffffffff,	/* maximum transfer size */
440 	0xffffffffffffffff,	/* maximum segment size */
441 	5,			/* scatter/gather list length */
442 	(unsigned int) 1,	/* granularity */
443 	0			/* attribute flags */
444 };
445 
446 ddi_dma_attr_t nxge_rx_dma_attr = {
447 	DMA_ATTR_V0,		/* version number. */
448 	0,			/* low address */
449 	0xffffffffffffffff,	/* high address */
450 	0xffffffffffffffff,	/* address counter max */
451 	0x2000,			/* alignment */
452 	0xfc00fc,		/* dlim_burstsizes */
453 	0x1,			/* minimum transfer size */
454 	0xffffffffffffffff,	/* maximum transfer size */
455 	0xffffffffffffffff,	/* maximum segment size */
456 	1,			/* scatter/gather list length */
457 	(unsigned int) 1,	/* granularity */
458 	DDI_DMA_RELAXED_ORDERING /* attribute flags */
459 };
460 
461 ddi_dma_lim_t nxge_dma_limits = {
462 	(uint_t)0,		/* dlim_addr_lo */
463 	(uint_t)0xffffffff,	/* dlim_addr_hi */
464 	(uint_t)0xffffffff,	/* dlim_cntr_max */
465 	(uint_t)0xfc00fc,	/* dlim_burstsizes for 32 and 64 bit xfers */
466 	0x1,			/* dlim_minxfer */
467 	1024			/* dlim_speed */
468 };
469 
470 dma_method_t nxge_force_dma = DVMA;
471 
472 /*
473  * dma chunk sizes.
474  *
475  * Try to allocate the largest possible size
476  * so that fewer number of dma chunks would be managed
477  */
478 #ifdef NIU_PA_WORKAROUND
479 size_t alloc_sizes [] = {0x2000};
480 #else
481 size_t alloc_sizes [] = {0x1000, 0x2000, 0x4000, 0x8000,
482 		0x10000, 0x20000, 0x40000, 0x80000,
483 		0x100000, 0x200000, 0x400000, 0x800000,
484 		0x1000000, 0x2000000, 0x4000000};
485 #endif
486 
487 /*
488  * Translate "dev_t" to a pointer to the associated "dev_info_t".
489  */
490 
491 extern void nxge_get_environs(nxge_t *);
492 
493 static int
494 nxge_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
495 {
496 	p_nxge_t	nxgep = NULL;
497 	int		instance;
498 	int		status = DDI_SUCCESS;
499 	uint8_t		portn;
500 	nxge_mmac_t	*mmac_info;
501 
502 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_attach"));
503 
504 	/*
505 	 * Get the device instance since we'll need to setup
506 	 * or retrieve a soft state for this instance.
507 	 */
508 	instance = ddi_get_instance(dip);
509 
510 	switch (cmd) {
511 	case DDI_ATTACH:
512 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_ATTACH"));
513 		break;
514 
515 	case DDI_RESUME:
516 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_RESUME"));
517 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
518 		if (nxgep == NULL) {
519 			status = DDI_FAILURE;
520 			break;
521 		}
522 		if (nxgep->dip != dip) {
523 			status = DDI_FAILURE;
524 			break;
525 		}
526 		if (nxgep->suspended == DDI_PM_SUSPEND) {
527 			status = ddi_dev_is_needed(nxgep->dip, 0, 1);
528 		} else {
529 			status = nxge_resume(nxgep);
530 		}
531 		goto nxge_attach_exit;
532 
533 	case DDI_PM_RESUME:
534 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_RESUME"));
535 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
536 		if (nxgep == NULL) {
537 			status = DDI_FAILURE;
538 			break;
539 		}
540 		if (nxgep->dip != dip) {
541 			status = DDI_FAILURE;
542 			break;
543 		}
544 		status = nxge_resume(nxgep);
545 		goto nxge_attach_exit;
546 
547 	default:
548 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing unknown"));
549 		status = DDI_FAILURE;
550 		goto nxge_attach_exit;
551 	}
552 
553 
554 	if (ddi_soft_state_zalloc(nxge_list, instance) == DDI_FAILURE) {
555 		status = DDI_FAILURE;
556 		goto nxge_attach_exit;
557 	}
558 
559 	nxgep = ddi_get_soft_state(nxge_list, instance);
560 	if (nxgep == NULL) {
561 		status = NXGE_ERROR;
562 		goto nxge_attach_fail2;
563 	}
564 
565 	nxgep->nxge_magic = NXGE_MAGIC;
566 
567 	nxgep->drv_state = 0;
568 	nxgep->dip = dip;
569 	nxgep->instance = instance;
570 	nxgep->p_dip = ddi_get_parent(dip);
571 	nxgep->nxge_debug_level = nxge_debug_level;
572 	npi_debug_level = nxge_debug_level;
573 
574 	/* Are we a guest running in a Hybrid I/O environment? */
575 	nxge_get_environs(nxgep);
576 
577 	status = nxge_map_regs(nxgep);
578 
579 	if (status != NXGE_OK) {
580 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_map_regs failed"));
581 		goto nxge_attach_fail3;
582 	}
583 
584 	nxge_fm_init(nxgep, &nxge_dev_reg_acc_attr,
585 	    &nxge_dev_desc_dma_acc_attr,
586 	    &nxge_rx_dma_attr);
587 
588 	/* Create & initialize the per-Neptune data structure */
589 	/* (even if we're a guest). */
590 	status = nxge_init_common_dev(nxgep);
591 	if (status != NXGE_OK) {
592 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
593 		    "nxge_init_common_dev failed"));
594 		goto nxge_attach_fail4;
595 	}
596 
597 #if defined(sun4v)
598 	/* This is required by nxge_hio_init(), which follows. */
599 	if ((status = nxge_hsvc_register(nxgep)) != DDI_SUCCESS)
600 		goto nxge_attach_fail;
601 #endif
602 
603 	if ((status = nxge_hio_init(nxgep)) != NXGE_OK) {
604 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
605 		    "nxge_hio_init failed"));
606 		goto nxge_attach_fail4;
607 	}
608 
609 	if (nxgep->niu_type == NEPTUNE_2_10GF) {
610 		if (nxgep->function_num > 1) {
611 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Unsupported"
612 			    " function %d. Only functions 0 and 1 are "
613 			    "supported for this card.", nxgep->function_num));
614 			status = NXGE_ERROR;
615 			goto nxge_attach_fail4;
616 		}
617 	}
618 
619 	if (isLDOMguest(nxgep)) {
620 		/*
621 		 * Use the function number here.
622 		 */
623 		nxgep->mac.portnum = nxgep->function_num;
624 		nxgep->mac.porttype = PORT_TYPE_LOGICAL;
625 
626 		/* XXX We'll set the MAC address counts to 1 for now. */
627 		mmac_info = &nxgep->nxge_mmac_info;
628 		mmac_info->num_mmac = 1;
629 		mmac_info->naddrfree = 1;
630 	} else {
631 		portn = NXGE_GET_PORT_NUM(nxgep->function_num);
632 		nxgep->mac.portnum = portn;
633 		if ((portn == 0) || (portn == 1))
634 			nxgep->mac.porttype = PORT_TYPE_XMAC;
635 		else
636 			nxgep->mac.porttype = PORT_TYPE_BMAC;
637 		/*
638 		 * Neptune has 4 ports, the first 2 ports use XMAC (10G MAC)
639 		 * internally, the rest 2 ports use BMAC (1G "Big" MAC).
640 		 * The two types of MACs have different characterizations.
641 		 */
642 		mmac_info = &nxgep->nxge_mmac_info;
643 		if (nxgep->function_num < 2) {
644 			mmac_info->num_mmac = XMAC_MAX_ALT_ADDR_ENTRY;
645 			mmac_info->naddrfree = XMAC_MAX_ALT_ADDR_ENTRY;
646 		} else {
647 			mmac_info->num_mmac = BMAC_MAX_ALT_ADDR_ENTRY;
648 			mmac_info->naddrfree = BMAC_MAX_ALT_ADDR_ENTRY;
649 		}
650 	}
651 	/*
652 	 * Setup the Ndd parameters for the this instance.
653 	 */
654 	nxge_init_param(nxgep);
655 
656 	/*
657 	 * Setup Register Tracing Buffer.
658 	 */
659 	npi_rtrace_buf_init((rtrace_t *)&npi_rtracebuf);
660 
661 	/* init stats ptr */
662 	nxge_init_statsp(nxgep);
663 
664 	/*
665 	 * Copy the vpd info from eeprom to a local data
666 	 * structure, and then check its validity.
667 	 */
668 	if (!isLDOMguest(nxgep)) {
669 		int *regp;
670 		uint_t reglen;
671 		int rv;
672 
673 		nxge_vpd_info_get(nxgep);
674 
675 		/* Find the NIU config handle. */
676 		rv = ddi_prop_lookup_int_array(DDI_DEV_T_ANY,
677 		    ddi_get_parent(nxgep->dip), DDI_PROP_DONTPASS,
678 		    "reg", &regp, &reglen);
679 
680 		if (rv != DDI_PROP_SUCCESS) {
681 			goto nxge_attach_fail5;
682 		}
683 		/*
684 		 * The address_hi, that is the first int, in the reg
685 		 * property consists of config handle, but need to remove
686 		 * the bits 28-31 which are OBP specific info.
687 		 */
688 		nxgep->niu_cfg_hdl = (*regp) & 0xFFFFFFF;
689 		ddi_prop_free(regp);
690 	}
691 
692 	if (isLDOMguest(nxgep)) {
693 		uchar_t *prop_val;
694 		uint_t prop_len;
695 
696 		extern void nxge_get_logical_props(p_nxge_t);
697 
698 		nxgep->statsp->mac_stats.xcvr_inuse = LOGICAL_XCVR;
699 		nxgep->mac.portmode = PORT_LOGICAL;
700 		(void) ddi_prop_update_string(DDI_DEV_T_NONE, nxgep->dip,
701 		    "phy-type", "virtual transceiver");
702 
703 		nxgep->nports = 1;
704 		nxgep->board_ver = 0;	/* XXX What? */
705 
706 		/*
707 		 * local-mac-address property gives us info on which
708 		 * specific MAC address the Hybrid resource is associated
709 		 * with.
710 		 */
711 		if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, nxgep->dip, 0,
712 		    "local-mac-address", &prop_val,
713 		    &prop_len) != DDI_PROP_SUCCESS) {
714 			goto nxge_attach_fail5;
715 		}
716 		if (prop_len !=  ETHERADDRL) {
717 			ddi_prop_free(prop_val);
718 			goto nxge_attach_fail5;
719 		}
720 		ether_copy(prop_val, nxgep->hio_mac_addr);
721 		ddi_prop_free(prop_val);
722 		nxge_get_logical_props(nxgep);
723 
724 	} else {
725 		status = nxge_xcvr_find(nxgep);
726 
727 		if (status != NXGE_OK) {
728 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_attach: "
729 			    " Couldn't determine card type"
730 			    " .... exit "));
731 			goto nxge_attach_fail5;
732 		}
733 
734 		status = nxge_get_config_properties(nxgep);
735 
736 		if (status != NXGE_OK) {
737 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
738 			    "get_hw create failed"));
739 			goto nxge_attach_fail;
740 		}
741 	}
742 
743 	/*
744 	 * Setup the Kstats for the driver.
745 	 */
746 	nxge_setup_kstats(nxgep);
747 
748 	if (!isLDOMguest(nxgep))
749 		nxge_setup_param(nxgep);
750 
751 	status = nxge_setup_system_dma_pages(nxgep);
752 	if (status != NXGE_OK) {
753 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "set dma page failed"));
754 		goto nxge_attach_fail;
755 	}
756 
757 	nxge_hw_id_init(nxgep);
758 
759 	if (!isLDOMguest(nxgep))
760 		nxge_hw_init_niu_common(nxgep);
761 
762 	status = nxge_setup_mutexes(nxgep);
763 	if (status != NXGE_OK) {
764 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set mutex failed"));
765 		goto nxge_attach_fail;
766 	}
767 
768 #if defined(sun4v)
769 	if (isLDOMguest(nxgep)) {
770 		/* Find our VR & channel sets. */
771 		status = nxge_hio_vr_add(nxgep);
772 		goto nxge_attach_exit;
773 	}
774 #endif
775 
776 	status = nxge_setup_dev(nxgep);
777 	if (status != DDI_SUCCESS) {
778 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set dev failed"));
779 		goto nxge_attach_fail;
780 	}
781 
782 	status = nxge_add_intrs(nxgep);
783 	if (status != DDI_SUCCESS) {
784 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "add_intr failed"));
785 		goto nxge_attach_fail;
786 	}
787 	status = nxge_add_soft_intrs(nxgep);
788 	if (status != DDI_SUCCESS) {
789 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
790 		    "add_soft_intr failed"));
791 		goto nxge_attach_fail;
792 	}
793 
794 	/*
795 	 * Enable interrupts.
796 	 */
797 	nxge_intrs_enable(nxgep);
798 
799 	/* If a guest, register with vio_net instead. */
800 	if ((status = nxge_mac_register(nxgep)) != NXGE_OK) {
801 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
802 		    "unable to register to mac layer (%d)", status));
803 		goto nxge_attach_fail;
804 	}
805 
806 	mac_link_update(nxgep->mach, LINK_STATE_UNKNOWN);
807 
808 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
809 	    "registered to mac (instance %d)", instance));
810 
811 	/* nxge_link_monitor calls xcvr.check_link recursively */
812 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
813 
814 	goto nxge_attach_exit;
815 
816 nxge_attach_fail:
817 	nxge_unattach(nxgep);
818 	goto nxge_attach_fail1;
819 
820 nxge_attach_fail5:
821 	/*
822 	 * Tear down the ndd parameters setup.
823 	 */
824 	nxge_destroy_param(nxgep);
825 
826 	/*
827 	 * Tear down the kstat setup.
828 	 */
829 	nxge_destroy_kstats(nxgep);
830 
831 nxge_attach_fail4:
832 	if (nxgep->nxge_hw_p) {
833 		nxge_uninit_common_dev(nxgep);
834 		nxgep->nxge_hw_p = NULL;
835 	}
836 
837 nxge_attach_fail3:
838 	/*
839 	 * Unmap the register setup.
840 	 */
841 	nxge_unmap_regs(nxgep);
842 
843 	nxge_fm_fini(nxgep);
844 
845 nxge_attach_fail2:
846 	ddi_soft_state_free(nxge_list, nxgep->instance);
847 
848 nxge_attach_fail1:
849 	if (status != NXGE_OK)
850 		status = (NXGE_ERROR | NXGE_DDI_FAILED);
851 	nxgep = NULL;
852 
853 nxge_attach_exit:
854 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_attach status = 0x%08x",
855 	    status));
856 
857 	return (status);
858 }
859 
860 static int
861 nxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
862 {
863 	int 		status = DDI_SUCCESS;
864 	int 		instance;
865 	p_nxge_t 	nxgep = NULL;
866 
867 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_detach"));
868 	instance = ddi_get_instance(dip);
869 	nxgep = ddi_get_soft_state(nxge_list, instance);
870 	if (nxgep == NULL) {
871 		status = DDI_FAILURE;
872 		goto nxge_detach_exit;
873 	}
874 
875 	switch (cmd) {
876 	case DDI_DETACH:
877 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_DETACH"));
878 		break;
879 
880 	case DDI_PM_SUSPEND:
881 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
882 		nxgep->suspended = DDI_PM_SUSPEND;
883 		nxge_suspend(nxgep);
884 		break;
885 
886 	case DDI_SUSPEND:
887 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_SUSPEND"));
888 		if (nxgep->suspended != DDI_PM_SUSPEND) {
889 			nxgep->suspended = DDI_SUSPEND;
890 			nxge_suspend(nxgep);
891 		}
892 		break;
893 
894 	default:
895 		status = DDI_FAILURE;
896 	}
897 
898 	if (cmd != DDI_DETACH)
899 		goto nxge_detach_exit;
900 
901 	/*
902 	 * Stop the xcvr polling.
903 	 */
904 	nxgep->suspended = cmd;
905 
906 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
907 
908 	if (isLDOMguest(nxgep)) {
909 		nxge_hio_unregister(nxgep);
910 	} else if (nxgep->mach && (status = mac_unregister(nxgep->mach)) != 0) {
911 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
912 		    "<== nxge_detach status = 0x%08X", status));
913 		return (DDI_FAILURE);
914 	}
915 
916 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
917 	    "<== nxge_detach (mac_unregister) status = 0x%08X", status));
918 
919 	nxge_unattach(nxgep);
920 	nxgep = NULL;
921 
922 nxge_detach_exit:
923 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_detach status = 0x%08X",
924 	    status));
925 
926 	return (status);
927 }
928 
929 static void
930 nxge_unattach(p_nxge_t nxgep)
931 {
932 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unattach"));
933 
934 	if (nxgep == NULL || nxgep->dev_regs == NULL) {
935 		return;
936 	}
937 
938 	nxgep->nxge_magic = 0;
939 
940 	if (nxgep->nxge_timerid) {
941 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
942 		nxgep->nxge_timerid = 0;
943 	}
944 
945 	/*
946 	 * If this flag is set, it will affect the Neptune
947 	 * only.
948 	 */
949 	if ((nxgep->niu_type != N2_NIU) && nxge_peu_reset_enable) {
950 		nxge_niu_peu_reset(nxgep);
951 	}
952 
953 #if	defined(sun4v)
954 	if (isLDOMguest(nxgep)) {
955 		(void) nxge_hio_vr_release(nxgep);
956 	}
957 #endif
958 
959 	if (nxgep->nxge_hw_p) {
960 		nxge_uninit_common_dev(nxgep);
961 		nxgep->nxge_hw_p = NULL;
962 	}
963 
964 #if	defined(sun4v)
965 	if (nxgep->niu_type == N2_NIU && nxgep->niu_hsvc_available == B_TRUE) {
966 		(void) hsvc_unregister(&nxgep->niu_hsvc);
967 		nxgep->niu_hsvc_available = B_FALSE;
968 	}
969 #endif
970 	/*
971 	 * Stop any further interrupts.
972 	 */
973 	nxge_remove_intrs(nxgep);
974 
975 	/* remove soft interrups */
976 	nxge_remove_soft_intrs(nxgep);
977 
978 	/*
979 	 * Stop the device and free resources.
980 	 */
981 	if (!isLDOMguest(nxgep)) {
982 		nxge_destroy_dev(nxgep);
983 	}
984 
985 	/*
986 	 * Tear down the ndd parameters setup.
987 	 */
988 	nxge_destroy_param(nxgep);
989 
990 	/*
991 	 * Tear down the kstat setup.
992 	 */
993 	nxge_destroy_kstats(nxgep);
994 
995 	/*
996 	 * Destroy all mutexes.
997 	 */
998 	nxge_destroy_mutexes(nxgep);
999 
1000 	/*
1001 	 * Remove the list of ndd parameters which
1002 	 * were setup during attach.
1003 	 */
1004 	if (nxgep->dip) {
1005 		NXGE_DEBUG_MSG((nxgep, OBP_CTL,
1006 		    " nxge_unattach: remove all properties"));
1007 
1008 		(void) ddi_prop_remove_all(nxgep->dip);
1009 	}
1010 
1011 #if NXGE_PROPERTY
1012 	nxge_remove_hard_properties(nxgep);
1013 #endif
1014 
1015 	/*
1016 	 * Unmap the register setup.
1017 	 */
1018 	nxge_unmap_regs(nxgep);
1019 
1020 	nxge_fm_fini(nxgep);
1021 
1022 	ddi_soft_state_free(nxge_list, nxgep->instance);
1023 
1024 	NXGE_DEBUG_MSG((NULL, DDI_CTL, "<== nxge_unattach"));
1025 }
1026 
1027 #if defined(sun4v)
1028 int
1029 nxge_hsvc_register(
1030 	nxge_t *nxgep)
1031 {
1032 	nxge_status_t status;
1033 
1034 	if (nxgep->niu_type == N2_NIU) {
1035 		nxgep->niu_hsvc_available = B_FALSE;
1036 		bcopy(&niu_hsvc, &nxgep->niu_hsvc, sizeof (hsvc_info_t));
1037 		if ((status = hsvc_register(&nxgep->niu_hsvc,
1038 		    &nxgep->niu_min_ver)) != 0) {
1039 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1040 			    "nxge_attach: %s: cannot negotiate "
1041 			    "hypervisor services revision %d group: 0x%lx "
1042 			    "major: 0x%lx minor: 0x%lx errno: %d",
1043 			    niu_hsvc.hsvc_modname, niu_hsvc.hsvc_rev,
1044 			    niu_hsvc.hsvc_group, niu_hsvc.hsvc_major,
1045 			    niu_hsvc.hsvc_minor, status));
1046 			return (DDI_FAILURE);
1047 		}
1048 		nxgep->niu_hsvc_available = B_TRUE;
1049 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1050 		    "NIU Hypervisor service enabled"));
1051 	}
1052 
1053 	return (DDI_SUCCESS);
1054 }
1055 #endif
1056 
1057 static char n2_siu_name[] = "niu";
1058 
1059 static nxge_status_t
1060 nxge_map_regs(p_nxge_t nxgep)
1061 {
1062 	int		ddi_status = DDI_SUCCESS;
1063 	p_dev_regs_t 	dev_regs;
1064 	char		buf[MAXPATHLEN + 1];
1065 	char 		*devname;
1066 #ifdef	NXGE_DEBUG
1067 	char 		*sysname;
1068 #endif
1069 	off_t		regsize;
1070 	nxge_status_t	status = NXGE_OK;
1071 #if !defined(_BIG_ENDIAN)
1072 	off_t pci_offset;
1073 	uint16_t pcie_devctl;
1074 #endif
1075 
1076 	if (isLDOMguest(nxgep)) {
1077 		return (nxge_guest_regs_map(nxgep));
1078 	}
1079 
1080 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_map_regs"));
1081 	nxgep->dev_regs = NULL;
1082 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
1083 	dev_regs->nxge_regh = NULL;
1084 	dev_regs->nxge_pciregh = NULL;
1085 	dev_regs->nxge_msix_regh = NULL;
1086 	dev_regs->nxge_vir_regh = NULL;
1087 	dev_regs->nxge_vir2_regh = NULL;
1088 	nxgep->niu_type = NIU_TYPE_NONE;
1089 
1090 	devname = ddi_pathname(nxgep->dip, buf);
1091 	ASSERT(strlen(devname) > 0);
1092 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1093 	    "nxge_map_regs: pathname devname %s", devname));
1094 
1095 	/*
1096 	 * The driver is running on a N2-NIU system if devname is something
1097 	 * like "/niu@80/network@0"
1098 	 */
1099 	if (strstr(devname, n2_siu_name)) {
1100 		/* N2/NIU */
1101 		nxgep->niu_type = N2_NIU;
1102 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1103 		    "nxge_map_regs: N2/NIU devname %s", devname));
1104 		/* get function number */
1105 		nxgep->function_num =
1106 		    (devname[strlen(devname) -1] == '1' ? 1 : 0);
1107 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1108 		    "nxge_map_regs: N2/NIU function number %d",
1109 		    nxgep->function_num));
1110 	} else {
1111 		int		*prop_val;
1112 		uint_t 		prop_len;
1113 		uint8_t 	func_num;
1114 
1115 		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, nxgep->dip,
1116 		    0, "reg",
1117 		    &prop_val, &prop_len) != DDI_PROP_SUCCESS) {
1118 			NXGE_DEBUG_MSG((nxgep, VPD_CTL,
1119 			    "Reg property not found"));
1120 			ddi_status = DDI_FAILURE;
1121 			goto nxge_map_regs_fail0;
1122 
1123 		} else {
1124 			func_num = (prop_val[0] >> 8) & 0x7;
1125 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1126 			    "Reg property found: fun # %d",
1127 			    func_num));
1128 			nxgep->function_num = func_num;
1129 			if (isLDOMguest(nxgep)) {
1130 				nxgep->function_num /= 2;
1131 				return (NXGE_OK);
1132 			}
1133 			ddi_prop_free(prop_val);
1134 		}
1135 	}
1136 
1137 	switch (nxgep->niu_type) {
1138 	default:
1139 		(void) ddi_dev_regsize(nxgep->dip, 0, &regsize);
1140 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1141 		    "nxge_map_regs: pci config size 0x%x", regsize));
1142 
1143 		ddi_status = ddi_regs_map_setup(nxgep->dip, 0,
1144 		    (caddr_t *)&(dev_regs->nxge_pciregp), 0, 0,
1145 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_pciregh);
1146 		if (ddi_status != DDI_SUCCESS) {
1147 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1148 			    "ddi_map_regs, nxge bus config regs failed"));
1149 			goto nxge_map_regs_fail0;
1150 		}
1151 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1152 		    "nxge_map_reg: PCI config addr 0x%0llx "
1153 		    " handle 0x%0llx", dev_regs->nxge_pciregp,
1154 		    dev_regs->nxge_pciregh));
1155 			/*
1156 			 * IMP IMP
1157 			 * workaround  for bit swapping bug in HW
1158 			 * which ends up in no-snoop = yes
1159 			 * resulting, in DMA not synched properly
1160 			 */
1161 #if !defined(_BIG_ENDIAN)
1162 		/* workarounds for x86 systems */
1163 		pci_offset = 0x80 + PCIE_DEVCTL;
1164 		pcie_devctl = 0x0;
1165 		pcie_devctl &= PCIE_DEVCTL_ENABLE_NO_SNOOP;
1166 		pcie_devctl |= PCIE_DEVCTL_RO_EN;
1167 		pci_config_put16(dev_regs->nxge_pciregh, pci_offset,
1168 		    pcie_devctl);
1169 #endif
1170 
1171 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1172 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1173 		    "nxge_map_regs: pio size 0x%x", regsize));
1174 		/* set up the device mapped register */
1175 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1176 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1177 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1178 		if (ddi_status != DDI_SUCCESS) {
1179 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1180 			    "ddi_map_regs for Neptune global reg failed"));
1181 			goto nxge_map_regs_fail1;
1182 		}
1183 
1184 		/* set up the msi/msi-x mapped register */
1185 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1186 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1187 		    "nxge_map_regs: msix size 0x%x", regsize));
1188 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1189 		    (caddr_t *)&(dev_regs->nxge_msix_regp), 0, 0,
1190 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_msix_regh);
1191 		if (ddi_status != DDI_SUCCESS) {
1192 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1193 			    "ddi_map_regs for msi reg failed"));
1194 			goto nxge_map_regs_fail2;
1195 		}
1196 
1197 		/* set up the vio region mapped register */
1198 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1199 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1200 		    "nxge_map_regs: vio size 0x%x", regsize));
1201 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1202 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1203 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1204 
1205 		if (ddi_status != DDI_SUCCESS) {
1206 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1207 			    "ddi_map_regs for nxge vio reg failed"));
1208 			goto nxge_map_regs_fail3;
1209 		}
1210 		nxgep->dev_regs = dev_regs;
1211 
1212 		NPI_PCI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_pciregh);
1213 		NPI_PCI_ADD_HANDLE_SET(nxgep,
1214 		    (npi_reg_ptr_t)dev_regs->nxge_pciregp);
1215 		NPI_MSI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_msix_regh);
1216 		NPI_MSI_ADD_HANDLE_SET(nxgep,
1217 		    (npi_reg_ptr_t)dev_regs->nxge_msix_regp);
1218 
1219 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1220 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1221 
1222 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1223 		NPI_REG_ADD_HANDLE_SET(nxgep,
1224 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1225 
1226 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1227 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1228 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1229 
1230 		break;
1231 
1232 	case N2_NIU:
1233 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "ddi_map_regs, NIU"));
1234 		/*
1235 		 * Set up the device mapped register (FWARC 2006/556)
1236 		 * (changed back to 1: reg starts at 1!)
1237 		 */
1238 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1239 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1240 		    "nxge_map_regs: dev size 0x%x", regsize));
1241 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1242 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1243 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1244 
1245 		if (ddi_status != DDI_SUCCESS) {
1246 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1247 			    "ddi_map_regs for N2/NIU, global reg failed "));
1248 			goto nxge_map_regs_fail1;
1249 		}
1250 
1251 		/* set up the first vio region mapped register */
1252 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1253 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1254 		    "nxge_map_regs: vio (1) size 0x%x", regsize));
1255 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1256 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1257 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1258 
1259 		if (ddi_status != DDI_SUCCESS) {
1260 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1261 			    "ddi_map_regs for nxge vio reg failed"));
1262 			goto nxge_map_regs_fail2;
1263 		}
1264 		/* set up the second vio region mapped register */
1265 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1266 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1267 		    "nxge_map_regs: vio (3) size 0x%x", regsize));
1268 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1269 		    (caddr_t *)&(dev_regs->nxge_vir2_regp), 0, 0,
1270 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir2_regh);
1271 
1272 		if (ddi_status != DDI_SUCCESS) {
1273 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1274 			    "ddi_map_regs for nxge vio2 reg failed"));
1275 			goto nxge_map_regs_fail3;
1276 		}
1277 		nxgep->dev_regs = dev_regs;
1278 
1279 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1280 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1281 
1282 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1283 		NPI_REG_ADD_HANDLE_SET(nxgep,
1284 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1285 
1286 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1287 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1288 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1289 
1290 		NPI_V2REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir2_regh);
1291 		NPI_V2REG_ADD_HANDLE_SET(nxgep,
1292 		    (npi_reg_ptr_t)dev_regs->nxge_vir2_regp);
1293 
1294 		break;
1295 	}
1296 
1297 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "nxge_map_reg: hardware addr 0x%0llx "
1298 	    " handle 0x%0llx", dev_regs->nxge_regp, dev_regs->nxge_regh));
1299 
1300 	goto nxge_map_regs_exit;
1301 nxge_map_regs_fail3:
1302 	if (dev_regs->nxge_msix_regh) {
1303 		ddi_regs_map_free(&dev_regs->nxge_msix_regh);
1304 	}
1305 	if (dev_regs->nxge_vir_regh) {
1306 		ddi_regs_map_free(&dev_regs->nxge_regh);
1307 	}
1308 nxge_map_regs_fail2:
1309 	if (dev_regs->nxge_regh) {
1310 		ddi_regs_map_free(&dev_regs->nxge_regh);
1311 	}
1312 nxge_map_regs_fail1:
1313 	if (dev_regs->nxge_pciregh) {
1314 		ddi_regs_map_free(&dev_regs->nxge_pciregh);
1315 	}
1316 nxge_map_regs_fail0:
1317 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Freeing register set memory"));
1318 	kmem_free(dev_regs, sizeof (dev_regs_t));
1319 
1320 nxge_map_regs_exit:
1321 	if (ddi_status != DDI_SUCCESS)
1322 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1323 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_map_regs"));
1324 	return (status);
1325 }
1326 
1327 static void
1328 nxge_unmap_regs(p_nxge_t nxgep)
1329 {
1330 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unmap_regs"));
1331 
1332 	if (isLDOMguest(nxgep)) {
1333 		nxge_guest_regs_map_free(nxgep);
1334 		return;
1335 	}
1336 
1337 	if (nxgep->dev_regs) {
1338 		if (nxgep->dev_regs->nxge_pciregh) {
1339 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1340 			    "==> nxge_unmap_regs: bus"));
1341 			ddi_regs_map_free(&nxgep->dev_regs->nxge_pciregh);
1342 			nxgep->dev_regs->nxge_pciregh = NULL;
1343 		}
1344 		if (nxgep->dev_regs->nxge_regh) {
1345 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1346 			    "==> nxge_unmap_regs: device registers"));
1347 			ddi_regs_map_free(&nxgep->dev_regs->nxge_regh);
1348 			nxgep->dev_regs->nxge_regh = NULL;
1349 		}
1350 		if (nxgep->dev_regs->nxge_msix_regh) {
1351 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1352 			    "==> nxge_unmap_regs: device interrupts"));
1353 			ddi_regs_map_free(&nxgep->dev_regs->nxge_msix_regh);
1354 			nxgep->dev_regs->nxge_msix_regh = NULL;
1355 		}
1356 		if (nxgep->dev_regs->nxge_vir_regh) {
1357 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1358 			    "==> nxge_unmap_regs: vio region"));
1359 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir_regh);
1360 			nxgep->dev_regs->nxge_vir_regh = NULL;
1361 		}
1362 		if (nxgep->dev_regs->nxge_vir2_regh) {
1363 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1364 			    "==> nxge_unmap_regs: vio2 region"));
1365 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir2_regh);
1366 			nxgep->dev_regs->nxge_vir2_regh = NULL;
1367 		}
1368 
1369 		kmem_free(nxgep->dev_regs, sizeof (dev_regs_t));
1370 		nxgep->dev_regs = NULL;
1371 	}
1372 
1373 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_unmap_regs"));
1374 }
1375 
1376 static nxge_status_t
1377 nxge_setup_mutexes(p_nxge_t nxgep)
1378 {
1379 	int ddi_status = DDI_SUCCESS;
1380 	nxge_status_t status = NXGE_OK;
1381 	nxge_classify_t *classify_ptr;
1382 	int partition;
1383 
1384 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_mutexes"));
1385 
1386 	/*
1387 	 * Get the interrupt cookie so the mutexes can be
1388 	 * Initialized.
1389 	 */
1390 	if (isLDOMguest(nxgep)) {
1391 		nxgep->interrupt_cookie = 0;
1392 	} else {
1393 		ddi_status = ddi_get_iblock_cookie(nxgep->dip, 0,
1394 		    &nxgep->interrupt_cookie);
1395 
1396 		if (ddi_status != DDI_SUCCESS) {
1397 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1398 			    "<== nxge_setup_mutexes: failed 0x%x",
1399 			    ddi_status));
1400 			goto nxge_setup_mutexes_exit;
1401 		}
1402 	}
1403 
1404 	cv_init(&nxgep->poll_cv, NULL, CV_DRIVER, NULL);
1405 	MUTEX_INIT(&nxgep->poll_lock, NULL,
1406 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1407 
1408 	/*
1409 	 * Initialize mutexes for this device.
1410 	 */
1411 	MUTEX_INIT(nxgep->genlock, NULL,
1412 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1413 	MUTEX_INIT(&nxgep->ouraddr_lock, NULL,
1414 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1415 	MUTEX_INIT(&nxgep->mif_lock, NULL,
1416 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1417 	MUTEX_INIT(&nxgep->group_lock, NULL,
1418 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1419 	RW_INIT(&nxgep->filter_lock, NULL,
1420 	    RW_DRIVER, (void *)nxgep->interrupt_cookie);
1421 
1422 	classify_ptr = &nxgep->classifier;
1423 		/*
1424 		 * FFLP Mutexes are never used in interrupt context
1425 		 * as fflp operation can take very long time to
1426 		 * complete and hence not suitable to invoke from interrupt
1427 		 * handlers.
1428 		 */
1429 	MUTEX_INIT(&classify_ptr->tcam_lock, NULL,
1430 	    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1431 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1432 		MUTEX_INIT(&classify_ptr->fcram_lock, NULL,
1433 		    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1434 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1435 			MUTEX_INIT(&classify_ptr->hash_lock[partition], NULL,
1436 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1437 		}
1438 	}
1439 
1440 nxge_setup_mutexes_exit:
1441 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1442 	    "<== nxge_setup_mutexes status = %x", status));
1443 
1444 	if (ddi_status != DDI_SUCCESS)
1445 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1446 
1447 	return (status);
1448 }
1449 
1450 static void
1451 nxge_destroy_mutexes(p_nxge_t nxgep)
1452 {
1453 	int partition;
1454 	nxge_classify_t *classify_ptr;
1455 
1456 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_mutexes"));
1457 	RW_DESTROY(&nxgep->filter_lock);
1458 	MUTEX_DESTROY(&nxgep->group_lock);
1459 	MUTEX_DESTROY(&nxgep->mif_lock);
1460 	MUTEX_DESTROY(&nxgep->ouraddr_lock);
1461 	MUTEX_DESTROY(nxgep->genlock);
1462 
1463 	classify_ptr = &nxgep->classifier;
1464 	MUTEX_DESTROY(&classify_ptr->tcam_lock);
1465 
1466 	/* Destroy all polling resources. */
1467 	MUTEX_DESTROY(&nxgep->poll_lock);
1468 	cv_destroy(&nxgep->poll_cv);
1469 
1470 	/* free data structures, based on HW type */
1471 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1472 		MUTEX_DESTROY(&classify_ptr->fcram_lock);
1473 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1474 			MUTEX_DESTROY(&classify_ptr->hash_lock[partition]);
1475 		}
1476 	}
1477 
1478 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_mutexes"));
1479 }
1480 
1481 nxge_status_t
1482 nxge_init(p_nxge_t nxgep)
1483 {
1484 	nxge_status_t status = NXGE_OK;
1485 
1486 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_init"));
1487 
1488 	if (nxgep->drv_state & STATE_HW_INITIALIZED) {
1489 		return (status);
1490 	}
1491 
1492 	/*
1493 	 * Allocate system memory for the receive/transmit buffer blocks
1494 	 * and receive/transmit descriptor rings.
1495 	 */
1496 	status = nxge_alloc_mem_pool(nxgep);
1497 	if (status != NXGE_OK) {
1498 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "alloc mem failed\n"));
1499 		goto nxge_init_fail1;
1500 	}
1501 
1502 	if (!isLDOMguest(nxgep)) {
1503 		/*
1504 		 * Initialize and enable the TXC registers.
1505 		 * (Globally enable the Tx controller,
1506 		 *  enable the port, configure the dma channel bitmap,
1507 		 *  configure the max burst size).
1508 		 */
1509 		status = nxge_txc_init(nxgep);
1510 		if (status != NXGE_OK) {
1511 			NXGE_ERROR_MSG((nxgep,
1512 			    NXGE_ERR_CTL, "init txc failed\n"));
1513 			goto nxge_init_fail2;
1514 		}
1515 	}
1516 
1517 	/*
1518 	 * Initialize and enable TXDMA channels.
1519 	 */
1520 	status = nxge_init_txdma_channels(nxgep);
1521 	if (status != NXGE_OK) {
1522 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txdma failed\n"));
1523 		goto nxge_init_fail3;
1524 	}
1525 
1526 	/*
1527 	 * Initialize and enable RXDMA channels.
1528 	 */
1529 	status = nxge_init_rxdma_channels(nxgep);
1530 	if (status != NXGE_OK) {
1531 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init rxdma failed\n"));
1532 		goto nxge_init_fail4;
1533 	}
1534 
1535 	/*
1536 	 * The guest domain is now done.
1537 	 */
1538 	if (isLDOMguest(nxgep)) {
1539 		nxgep->drv_state |= STATE_HW_INITIALIZED;
1540 		goto nxge_init_exit;
1541 	}
1542 
1543 	/*
1544 	 * Initialize TCAM and FCRAM (Neptune).
1545 	 */
1546 	status = nxge_classify_init(nxgep);
1547 	if (status != NXGE_OK) {
1548 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init classify failed\n"));
1549 		goto nxge_init_fail5;
1550 	}
1551 
1552 	/*
1553 	 * Initialize ZCP
1554 	 */
1555 	status = nxge_zcp_init(nxgep);
1556 	if (status != NXGE_OK) {
1557 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init ZCP failed\n"));
1558 		goto nxge_init_fail5;
1559 	}
1560 
1561 	/*
1562 	 * Initialize IPP.
1563 	 */
1564 	status = nxge_ipp_init(nxgep);
1565 	if (status != NXGE_OK) {
1566 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init IPP failed\n"));
1567 		goto nxge_init_fail5;
1568 	}
1569 
1570 	/*
1571 	 * Initialize the MAC block.
1572 	 */
1573 	status = nxge_mac_init(nxgep);
1574 	if (status != NXGE_OK) {
1575 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init MAC failed\n"));
1576 		goto nxge_init_fail5;
1577 	}
1578 
1579 	nxge_intrs_enable(nxgep); /* XXX What changes do I need to make here? */
1580 
1581 	/*
1582 	 * Enable hardware interrupts.
1583 	 */
1584 	nxge_intr_hw_enable(nxgep);
1585 	nxgep->drv_state |= STATE_HW_INITIALIZED;
1586 
1587 	goto nxge_init_exit;
1588 
1589 nxge_init_fail5:
1590 	nxge_uninit_rxdma_channels(nxgep);
1591 nxge_init_fail4:
1592 	nxge_uninit_txdma_channels(nxgep);
1593 nxge_init_fail3:
1594 	if (!isLDOMguest(nxgep)) {
1595 		(void) nxge_txc_uninit(nxgep);
1596 	}
1597 nxge_init_fail2:
1598 	nxge_free_mem_pool(nxgep);
1599 nxge_init_fail1:
1600 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1601 	    "<== nxge_init status (failed) = 0x%08x", status));
1602 	return (status);
1603 
1604 nxge_init_exit:
1605 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_init status = 0x%08x",
1606 	    status));
1607 	return (status);
1608 }
1609 
1610 
1611 timeout_id_t
1612 nxge_start_timer(p_nxge_t nxgep, fptrv_t func, int msec)
1613 {
1614 	if ((nxgep->suspended == 0) || (nxgep->suspended == DDI_RESUME)) {
1615 		return (timeout(func, (caddr_t)nxgep,
1616 		    drv_usectohz(1000 * msec)));
1617 	}
1618 	return (NULL);
1619 }
1620 
1621 /*ARGSUSED*/
1622 void
1623 nxge_stop_timer(p_nxge_t nxgep, timeout_id_t timerid)
1624 {
1625 	if (timerid) {
1626 		(void) untimeout(timerid);
1627 	}
1628 }
1629 
1630 void
1631 nxge_uninit(p_nxge_t nxgep)
1632 {
1633 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_uninit"));
1634 
1635 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1636 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1637 		    "==> nxge_uninit: not initialized"));
1638 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1639 		    "<== nxge_uninit"));
1640 		return;
1641 	}
1642 
1643 	/* stop timer */
1644 	if (nxgep->nxge_timerid) {
1645 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1646 		nxgep->nxge_timerid = 0;
1647 	}
1648 
1649 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1650 	(void) nxge_intr_hw_disable(nxgep);
1651 
1652 	/*
1653 	 * Reset the receive MAC side.
1654 	 */
1655 	(void) nxge_rx_mac_disable(nxgep);
1656 
1657 	/* Disable and soft reset the IPP */
1658 	if (!isLDOMguest(nxgep))
1659 		(void) nxge_ipp_disable(nxgep);
1660 
1661 	/* Free classification resources */
1662 	(void) nxge_classify_uninit(nxgep);
1663 
1664 	/*
1665 	 * Reset the transmit/receive DMA side.
1666 	 */
1667 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
1668 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
1669 
1670 	nxge_uninit_txdma_channels(nxgep);
1671 	nxge_uninit_rxdma_channels(nxgep);
1672 
1673 	/*
1674 	 * Reset the transmit MAC side.
1675 	 */
1676 	(void) nxge_tx_mac_disable(nxgep);
1677 
1678 	nxge_free_mem_pool(nxgep);
1679 
1680 	/*
1681 	 * Start the timer if the reset flag is not set.
1682 	 * If this reset flag is set, the link monitor
1683 	 * will not be started in order to stop furthur bus
1684 	 * activities coming from this interface.
1685 	 * The driver will start the monitor function
1686 	 * if the interface was initialized again later.
1687 	 */
1688 	if (!nxge_peu_reset_enable) {
1689 		(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1690 	}
1691 
1692 	nxgep->drv_state &= ~STATE_HW_INITIALIZED;
1693 
1694 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_uninit: "
1695 	    "nxge_mblks_pending %d", nxge_mblks_pending));
1696 }
1697 
1698 void
1699 nxge_get64(p_nxge_t nxgep, p_mblk_t mp)
1700 {
1701 #if defined(__i386)
1702 	size_t		reg;
1703 #else
1704 	uint64_t	reg;
1705 #endif
1706 	uint64_t	regdata;
1707 	int		i, retry;
1708 
1709 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1710 	regdata = 0;
1711 	retry = 1;
1712 
1713 	for (i = 0; i < retry; i++) {
1714 		NXGE_REG_RD64(nxgep->npi_handle, reg, &regdata);
1715 	}
1716 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1717 }
1718 
1719 void
1720 nxge_put64(p_nxge_t nxgep, p_mblk_t mp)
1721 {
1722 #if defined(__i386)
1723 	size_t		reg;
1724 #else
1725 	uint64_t	reg;
1726 #endif
1727 	uint64_t	buf[2];
1728 
1729 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1730 #if defined(__i386)
1731 	reg = (size_t)buf[0];
1732 #else
1733 	reg = buf[0];
1734 #endif
1735 
1736 	NXGE_NPI_PIO_WRITE64(nxgep->npi_handle, reg, buf[1]);
1737 }
1738 
1739 
1740 nxge_os_mutex_t nxgedebuglock;
1741 int nxge_debug_init = 0;
1742 
1743 /*ARGSUSED*/
1744 /*VARARGS*/
1745 void
1746 nxge_debug_msg(p_nxge_t nxgep, uint64_t level, char *fmt, ...)
1747 {
1748 	char msg_buffer[1048];
1749 	char prefix_buffer[32];
1750 	int instance;
1751 	uint64_t debug_level;
1752 	int cmn_level = CE_CONT;
1753 	va_list ap;
1754 
1755 	if (nxgep && nxgep->nxge_debug_level != nxge_debug_level) {
1756 		/* In case a developer has changed nxge_debug_level. */
1757 		if (nxgep->nxge_debug_level != nxge_debug_level)
1758 			nxgep->nxge_debug_level = nxge_debug_level;
1759 	}
1760 
1761 	debug_level = (nxgep == NULL) ? nxge_debug_level :
1762 	    nxgep->nxge_debug_level;
1763 
1764 	if ((level & debug_level) ||
1765 	    (level == NXGE_NOTE) ||
1766 	    (level == NXGE_ERR_CTL)) {
1767 		/* do the msg processing */
1768 		if (nxge_debug_init == 0) {
1769 			MUTEX_INIT(&nxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1770 			nxge_debug_init = 1;
1771 		}
1772 
1773 		MUTEX_ENTER(&nxgedebuglock);
1774 
1775 		if ((level & NXGE_NOTE)) {
1776 			cmn_level = CE_NOTE;
1777 		}
1778 
1779 		if (level & NXGE_ERR_CTL) {
1780 			cmn_level = CE_WARN;
1781 		}
1782 
1783 		va_start(ap, fmt);
1784 		(void) vsprintf(msg_buffer, fmt, ap);
1785 		va_end(ap);
1786 		if (nxgep == NULL) {
1787 			instance = -1;
1788 			(void) sprintf(prefix_buffer, "%s :", "nxge");
1789 		} else {
1790 			instance = nxgep->instance;
1791 			(void) sprintf(prefix_buffer,
1792 			    "%s%d :", "nxge", instance);
1793 		}
1794 
1795 		MUTEX_EXIT(&nxgedebuglock);
1796 		cmn_err(cmn_level, "!%s %s\n",
1797 		    prefix_buffer, msg_buffer);
1798 
1799 	}
1800 }
1801 
1802 char *
1803 nxge_dump_packet(char *addr, int size)
1804 {
1805 	uchar_t *ap = (uchar_t *)addr;
1806 	int i;
1807 	static char etherbuf[1024];
1808 	char *cp = etherbuf;
1809 	char digits[] = "0123456789abcdef";
1810 
1811 	if (!size)
1812 		size = 60;
1813 
1814 	if (size > MAX_DUMP_SZ) {
1815 		/* Dump the leading bytes */
1816 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1817 			if (*ap > 0x0f)
1818 				*cp++ = digits[*ap >> 4];
1819 			*cp++ = digits[*ap++ & 0xf];
1820 			*cp++ = ':';
1821 		}
1822 		for (i = 0; i < 20; i++)
1823 			*cp++ = '.';
1824 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1825 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ/2));
1826 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1827 			if (*ap > 0x0f)
1828 				*cp++ = digits[*ap >> 4];
1829 			*cp++ = digits[*ap++ & 0xf];
1830 			*cp++ = ':';
1831 		}
1832 	} else {
1833 		for (i = 0; i < size; i++) {
1834 			if (*ap > 0x0f)
1835 				*cp++ = digits[*ap >> 4];
1836 			*cp++ = digits[*ap++ & 0xf];
1837 			*cp++ = ':';
1838 		}
1839 	}
1840 	*--cp = 0;
1841 	return (etherbuf);
1842 }
1843 
1844 #ifdef	NXGE_DEBUG
1845 static void
1846 nxge_test_map_regs(p_nxge_t nxgep)
1847 {
1848 	ddi_acc_handle_t cfg_handle;
1849 	p_pci_cfg_t	cfg_ptr;
1850 	ddi_acc_handle_t dev_handle;
1851 	char		*dev_ptr;
1852 	ddi_acc_handle_t pci_config_handle;
1853 	uint32_t	regval;
1854 	int		i;
1855 
1856 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_test_map_regs"));
1857 
1858 	dev_handle = nxgep->dev_regs->nxge_regh;
1859 	dev_ptr = (char *)nxgep->dev_regs->nxge_regp;
1860 
1861 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1862 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1863 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1864 
1865 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1866 		    "Neptune PCI regp cfg_ptr 0x%llx", (char *)cfg_ptr));
1867 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1868 		    "Neptune PCI cfg_ptr vendor id ptr 0x%llx",
1869 		    &cfg_ptr->vendorid));
1870 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1871 		    "\tvendorid 0x%x devid 0x%x",
1872 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->vendorid, 0),
1873 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->devid,    0)));
1874 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1875 		    "PCI BAR: base 0x%x base14 0x%x base 18 0x%x "
1876 		    "bar1c 0x%x",
1877 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base,   0),
1878 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base14, 0),
1879 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base18, 0),
1880 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base1c, 0)));
1881 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1882 		    "\nNeptune PCI BAR: base20 0x%x base24 0x%x "
1883 		    "base 28 0x%x bar2c 0x%x\n",
1884 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base20, 0),
1885 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base24, 0),
1886 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base28, 0),
1887 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base2c, 0)));
1888 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1889 		    "\nNeptune PCI BAR: base30 0x%x\n",
1890 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base30, 0)));
1891 
1892 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1893 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1894 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1895 		    "first  0x%llx second 0x%llx third 0x%llx "
1896 		    "last 0x%llx ",
1897 		    NXGE_PIO_READ64(dev_handle,
1898 		    (uint64_t *)(dev_ptr + 0),  0),
1899 		    NXGE_PIO_READ64(dev_handle,
1900 		    (uint64_t *)(dev_ptr + 8),  0),
1901 		    NXGE_PIO_READ64(dev_handle,
1902 		    (uint64_t *)(dev_ptr + 16), 0),
1903 		    NXGE_PIO_READ64(cfg_handle,
1904 		    (uint64_t *)(dev_ptr + 24), 0)));
1905 	}
1906 }
1907 
1908 #endif
1909 
1910 static void
1911 nxge_suspend(p_nxge_t nxgep)
1912 {
1913 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_suspend"));
1914 
1915 	nxge_intrs_disable(nxgep);
1916 	nxge_destroy_dev(nxgep);
1917 
1918 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_suspend"));
1919 }
1920 
1921 static nxge_status_t
1922 nxge_resume(p_nxge_t nxgep)
1923 {
1924 	nxge_status_t status = NXGE_OK;
1925 
1926 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_resume"));
1927 
1928 	nxgep->suspended = DDI_RESUME;
1929 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1930 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_START);
1931 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_START);
1932 	(void) nxge_rx_mac_enable(nxgep);
1933 	(void) nxge_tx_mac_enable(nxgep);
1934 	nxge_intrs_enable(nxgep);
1935 	nxgep->suspended = 0;
1936 
1937 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1938 	    "<== nxge_resume status = 0x%x", status));
1939 	return (status);
1940 }
1941 
1942 static nxge_status_t
1943 nxge_setup_dev(p_nxge_t nxgep)
1944 {
1945 	nxge_status_t	status = NXGE_OK;
1946 
1947 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_dev port %d",
1948 	    nxgep->mac.portnum));
1949 
1950 	status = nxge_link_init(nxgep);
1951 
1952 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1953 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1954 		    "port%d Bad register acc handle", nxgep->mac.portnum));
1955 		status = NXGE_ERROR;
1956 	}
1957 
1958 	if (status != NXGE_OK) {
1959 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1960 		    " nxge_setup_dev status "
1961 		    "(xcvr init 0x%08x)", status));
1962 		goto nxge_setup_dev_exit;
1963 	}
1964 
1965 nxge_setup_dev_exit:
1966 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1967 	    "<== nxge_setup_dev port %d status = 0x%08x",
1968 	    nxgep->mac.portnum, status));
1969 
1970 	return (status);
1971 }
1972 
1973 static void
1974 nxge_destroy_dev(p_nxge_t nxgep)
1975 {
1976 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_dev"));
1977 
1978 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1979 
1980 	(void) nxge_hw_stop(nxgep);
1981 
1982 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_dev"));
1983 }
1984 
1985 static nxge_status_t
1986 nxge_setup_system_dma_pages(p_nxge_t nxgep)
1987 {
1988 	int 			ddi_status = DDI_SUCCESS;
1989 	uint_t 			count;
1990 	ddi_dma_cookie_t 	cookie;
1991 	uint_t 			iommu_pagesize;
1992 	nxge_status_t		status = NXGE_OK;
1993 
1994 	NXGE_ERROR_MSG((nxgep, DDI_CTL, "==> nxge_setup_system_dma_pages"));
1995 	nxgep->sys_page_sz = ddi_ptob(nxgep->dip, (ulong_t)1);
1996 	if (nxgep->niu_type != N2_NIU) {
1997 		iommu_pagesize = dvma_pagesize(nxgep->dip);
1998 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1999 		    " nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
2000 		    " default_block_size %d iommu_pagesize %d",
2001 		    nxgep->sys_page_sz,
2002 		    ddi_ptob(nxgep->dip, (ulong_t)1),
2003 		    nxgep->rx_default_block_size,
2004 		    iommu_pagesize));
2005 
2006 		if (iommu_pagesize != 0) {
2007 			if (nxgep->sys_page_sz == iommu_pagesize) {
2008 				if (iommu_pagesize > 0x4000)
2009 					nxgep->sys_page_sz = 0x4000;
2010 			} else {
2011 				if (nxgep->sys_page_sz > iommu_pagesize)
2012 					nxgep->sys_page_sz = iommu_pagesize;
2013 			}
2014 		}
2015 	}
2016 	nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
2017 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2018 	    "==> nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
2019 	    "default_block_size %d page mask %d",
2020 	    nxgep->sys_page_sz,
2021 	    ddi_ptob(nxgep->dip, (ulong_t)1),
2022 	    nxgep->rx_default_block_size,
2023 	    nxgep->sys_page_mask));
2024 
2025 
2026 	switch (nxgep->sys_page_sz) {
2027 	default:
2028 		nxgep->sys_page_sz = 0x1000;
2029 		nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
2030 		nxgep->rx_default_block_size = 0x1000;
2031 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
2032 		break;
2033 	case 0x1000:
2034 		nxgep->rx_default_block_size = 0x1000;
2035 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
2036 		break;
2037 	case 0x2000:
2038 		nxgep->rx_default_block_size = 0x2000;
2039 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
2040 		break;
2041 	case 0x4000:
2042 		nxgep->rx_default_block_size = 0x4000;
2043 		nxgep->rx_bksize_code = RBR_BKSIZE_16K;
2044 		break;
2045 	case 0x8000:
2046 		nxgep->rx_default_block_size = 0x8000;
2047 		nxgep->rx_bksize_code = RBR_BKSIZE_32K;
2048 		break;
2049 	}
2050 
2051 #ifndef USE_RX_BIG_BUF
2052 	nxge_rx_dma_attr.dma_attr_align = nxgep->sys_page_sz;
2053 #else
2054 		nxgep->rx_default_block_size = 0x2000;
2055 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
2056 #endif
2057 	/*
2058 	 * Get the system DMA burst size.
2059 	 */
2060 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, &nxge_tx_dma_attr,
2061 	    DDI_DMA_DONTWAIT, 0,
2062 	    &nxgep->dmasparehandle);
2063 	if (ddi_status != DDI_SUCCESS) {
2064 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2065 		    "ddi_dma_alloc_handle: failed "
2066 		    " status 0x%x", ddi_status));
2067 		goto nxge_get_soft_properties_exit;
2068 	}
2069 
2070 	ddi_status = ddi_dma_addr_bind_handle(nxgep->dmasparehandle, NULL,
2071 	    (caddr_t)nxgep->dmasparehandle,
2072 	    sizeof (nxgep->dmasparehandle),
2073 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2074 	    DDI_DMA_DONTWAIT, 0,
2075 	    &cookie, &count);
2076 	if (ddi_status != DDI_DMA_MAPPED) {
2077 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2078 		    "Binding spare handle to find system"
2079 		    " burstsize failed."));
2080 		ddi_status = DDI_FAILURE;
2081 		goto nxge_get_soft_properties_fail1;
2082 	}
2083 
2084 	nxgep->sys_burst_sz = ddi_dma_burstsizes(nxgep->dmasparehandle);
2085 	(void) ddi_dma_unbind_handle(nxgep->dmasparehandle);
2086 
2087 nxge_get_soft_properties_fail1:
2088 	ddi_dma_free_handle(&nxgep->dmasparehandle);
2089 
2090 nxge_get_soft_properties_exit:
2091 
2092 	if (ddi_status != DDI_SUCCESS)
2093 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2094 
2095 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2096 	    "<== nxge_setup_system_dma_pages status = 0x%08x", status));
2097 	return (status);
2098 }
2099 
2100 static nxge_status_t
2101 nxge_alloc_mem_pool(p_nxge_t nxgep)
2102 {
2103 	nxge_status_t	status = NXGE_OK;
2104 
2105 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_alloc_mem_pool"));
2106 
2107 	status = nxge_alloc_rx_mem_pool(nxgep);
2108 	if (status != NXGE_OK) {
2109 		return (NXGE_ERROR);
2110 	}
2111 
2112 	status = nxge_alloc_tx_mem_pool(nxgep);
2113 	if (status != NXGE_OK) {
2114 		nxge_free_rx_mem_pool(nxgep);
2115 		return (NXGE_ERROR);
2116 	}
2117 
2118 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_alloc_mem_pool"));
2119 	return (NXGE_OK);
2120 }
2121 
2122 static void
2123 nxge_free_mem_pool(p_nxge_t nxgep)
2124 {
2125 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_mem_pool"));
2126 
2127 	nxge_free_rx_mem_pool(nxgep);
2128 	nxge_free_tx_mem_pool(nxgep);
2129 
2130 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_mem_pool"));
2131 }
2132 
2133 nxge_status_t
2134 nxge_alloc_rx_mem_pool(p_nxge_t nxgep)
2135 {
2136 	uint32_t		rdc_max;
2137 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
2138 	p_nxge_hw_pt_cfg_t	p_cfgp;
2139 	p_nxge_dma_pool_t	dma_poolp;
2140 	p_nxge_dma_common_t	*dma_buf_p;
2141 	p_nxge_dma_pool_t	dma_cntl_poolp;
2142 	p_nxge_dma_common_t	*dma_cntl_p;
2143 	uint32_t 		*num_chunks; /* per dma */
2144 	nxge_status_t		status = NXGE_OK;
2145 
2146 	uint32_t		nxge_port_rbr_size;
2147 	uint32_t		nxge_port_rbr_spare_size;
2148 	uint32_t		nxge_port_rcr_size;
2149 	uint32_t		rx_cntl_alloc_size;
2150 
2151 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_mem_pool"));
2152 
2153 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
2154 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
2155 	rdc_max = NXGE_MAX_RDCS;
2156 
2157 	/*
2158 	 * Allocate memory for the common DMA data structures.
2159 	 */
2160 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2161 	    KM_SLEEP);
2162 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2163 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2164 
2165 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2166 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2167 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2168 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2169 
2170 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2171 	    sizeof (uint32_t) * rdc_max, KM_SLEEP);
2172 
2173 	/*
2174 	 * Assume that each DMA channel will be configured with
2175 	 * the default block size.
2176 	 * rbr block counts are modulo the batch count (16).
2177 	 */
2178 	nxge_port_rbr_size = p_all_cfgp->rbr_size;
2179 	nxge_port_rcr_size = p_all_cfgp->rcr_size;
2180 
2181 	if (!nxge_port_rbr_size) {
2182 		nxge_port_rbr_size = NXGE_RBR_RBB_DEFAULT;
2183 	}
2184 	if (nxge_port_rbr_size % NXGE_RXDMA_POST_BATCH) {
2185 		nxge_port_rbr_size = (NXGE_RXDMA_POST_BATCH *
2186 		    (nxge_port_rbr_size / NXGE_RXDMA_POST_BATCH + 1));
2187 	}
2188 
2189 	p_all_cfgp->rbr_size = nxge_port_rbr_size;
2190 	nxge_port_rbr_spare_size = nxge_rbr_spare_size;
2191 
2192 	if (nxge_port_rbr_spare_size % NXGE_RXDMA_POST_BATCH) {
2193 		nxge_port_rbr_spare_size = (NXGE_RXDMA_POST_BATCH *
2194 		    (nxge_port_rbr_spare_size / NXGE_RXDMA_POST_BATCH + 1));
2195 	}
2196 	if (nxge_port_rbr_size > RBR_DEFAULT_MAX_BLKS) {
2197 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2198 		    "nxge_alloc_rx_mem_pool: RBR size too high %d, "
2199 		    "set to default %d",
2200 		    nxge_port_rbr_size, RBR_DEFAULT_MAX_BLKS));
2201 		nxge_port_rbr_size = RBR_DEFAULT_MAX_BLKS;
2202 	}
2203 	if (nxge_port_rcr_size > RCR_DEFAULT_MAX) {
2204 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2205 		    "nxge_alloc_rx_mem_pool: RCR too high %d, "
2206 		    "set to default %d",
2207 		    nxge_port_rcr_size, RCR_DEFAULT_MAX));
2208 		nxge_port_rcr_size = RCR_DEFAULT_MAX;
2209 	}
2210 
2211 	/*
2212 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2213 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2214 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2215 	 * function).
2216 	 */
2217 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2218 	if (nxgep->niu_type == N2_NIU) {
2219 		nxge_port_rbr_spare_size = 0;
2220 		if ((nxge_port_rbr_size > NXGE_NIU_CONTIG_RBR_MAX) ||
2221 		    (!ISP2(nxge_port_rbr_size))) {
2222 			nxge_port_rbr_size = NXGE_NIU_CONTIG_RBR_MAX;
2223 		}
2224 		if ((nxge_port_rcr_size > NXGE_NIU_CONTIG_RCR_MAX) ||
2225 		    (!ISP2(nxge_port_rcr_size))) {
2226 			nxge_port_rcr_size = NXGE_NIU_CONTIG_RCR_MAX;
2227 		}
2228 	}
2229 #endif
2230 
2231 	/*
2232 	 * Addresses of receive block ring, receive completion ring and the
2233 	 * mailbox must be all cache-aligned (64 bytes).
2234 	 */
2235 	rx_cntl_alloc_size = nxge_port_rbr_size + nxge_port_rbr_spare_size;
2236 	rx_cntl_alloc_size *= (sizeof (rx_desc_t));
2237 	rx_cntl_alloc_size += (sizeof (rcr_entry_t) * nxge_port_rcr_size);
2238 	rx_cntl_alloc_size += sizeof (rxdma_mailbox_t);
2239 
2240 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_alloc_rx_mem_pool: "
2241 	    "nxge_port_rbr_size = %d nxge_port_rbr_spare_size = %d "
2242 	    "nxge_port_rcr_size = %d "
2243 	    "rx_cntl_alloc_size = %d",
2244 	    nxge_port_rbr_size, nxge_port_rbr_spare_size,
2245 	    nxge_port_rcr_size,
2246 	    rx_cntl_alloc_size));
2247 
2248 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2249 	if (nxgep->niu_type == N2_NIU) {
2250 		uint32_t rx_buf_alloc_size = (nxgep->rx_default_block_size *
2251 		    (nxge_port_rbr_size + nxge_port_rbr_spare_size));
2252 
2253 		if (!ISP2(rx_buf_alloc_size)) {
2254 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2255 			    "==> nxge_alloc_rx_mem_pool: "
2256 			    " must be power of 2"));
2257 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2258 			goto nxge_alloc_rx_mem_pool_exit;
2259 		}
2260 
2261 		if (rx_buf_alloc_size > (1 << 22)) {
2262 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2263 			    "==> nxge_alloc_rx_mem_pool: "
2264 			    " limit size to 4M"));
2265 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2266 			goto nxge_alloc_rx_mem_pool_exit;
2267 		}
2268 
2269 		if (rx_cntl_alloc_size < 0x2000) {
2270 			rx_cntl_alloc_size = 0x2000;
2271 		}
2272 	}
2273 #endif
2274 	nxgep->nxge_port_rbr_size = nxge_port_rbr_size;
2275 	nxgep->nxge_port_rcr_size = nxge_port_rcr_size;
2276 	nxgep->nxge_port_rbr_spare_size = nxge_port_rbr_spare_size;
2277 	nxgep->nxge_port_rx_cntl_alloc_size = rx_cntl_alloc_size;
2278 
2279 	dma_poolp->ndmas = p_cfgp->max_rdcs;
2280 	dma_poolp->num_chunks = num_chunks;
2281 	dma_poolp->buf_allocated = B_TRUE;
2282 	nxgep->rx_buf_pool_p = dma_poolp;
2283 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2284 
2285 	dma_cntl_poolp->ndmas = p_cfgp->max_rdcs;
2286 	dma_cntl_poolp->buf_allocated = B_TRUE;
2287 	nxgep->rx_cntl_pool_p = dma_cntl_poolp;
2288 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2289 
2290 	/* Allocate the receive rings, too. */
2291 	nxgep->rx_rbr_rings =
2292 	    KMEM_ZALLOC(sizeof (rx_rbr_rings_t), KM_SLEEP);
2293 	nxgep->rx_rbr_rings->rbr_rings =
2294 	    KMEM_ZALLOC(sizeof (p_rx_rbr_ring_t) * rdc_max, KM_SLEEP);
2295 	nxgep->rx_rcr_rings =
2296 	    KMEM_ZALLOC(sizeof (rx_rcr_rings_t), KM_SLEEP);
2297 	nxgep->rx_rcr_rings->rcr_rings =
2298 	    KMEM_ZALLOC(sizeof (p_rx_rcr_ring_t) * rdc_max, KM_SLEEP);
2299 	nxgep->rx_mbox_areas_p =
2300 	    KMEM_ZALLOC(sizeof (rx_mbox_areas_t), KM_SLEEP);
2301 	nxgep->rx_mbox_areas_p->rxmbox_areas =
2302 	    KMEM_ZALLOC(sizeof (p_rx_mbox_t) * rdc_max, KM_SLEEP);
2303 
2304 	nxgep->rx_rbr_rings->ndmas = nxgep->rx_rcr_rings->ndmas =
2305 	    p_cfgp->max_rdcs;
2306 
2307 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2308 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2309 
2310 nxge_alloc_rx_mem_pool_exit:
2311 	return (status);
2312 }
2313 
2314 /*
2315  * nxge_alloc_rxb
2316  *
2317  *	Allocate buffers for an RDC.
2318  *
2319  * Arguments:
2320  * 	nxgep
2321  * 	channel	The channel to map into our kernel space.
2322  *
2323  * Notes:
2324  *
2325  * NPI function calls:
2326  *
2327  * NXGE function calls:
2328  *
2329  * Registers accessed:
2330  *
2331  * Context:
2332  *
2333  * Taking apart:
2334  *
2335  * Open questions:
2336  *
2337  */
2338 nxge_status_t
2339 nxge_alloc_rxb(
2340 	p_nxge_t nxgep,
2341 	int channel)
2342 {
2343 	size_t			rx_buf_alloc_size;
2344 	nxge_status_t		status = NXGE_OK;
2345 
2346 	nxge_dma_common_t	**data;
2347 	nxge_dma_common_t	**control;
2348 	uint32_t 		*num_chunks;
2349 
2350 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2351 
2352 	/*
2353 	 * Allocate memory for the receive buffers and descriptor rings.
2354 	 * Replace these allocation functions with the interface functions
2355 	 * provided by the partition manager if/when they are available.
2356 	 */
2357 
2358 	/*
2359 	 * Allocate memory for the receive buffer blocks.
2360 	 */
2361 	rx_buf_alloc_size = (nxgep->rx_default_block_size *
2362 	    (nxgep->nxge_port_rbr_size + nxgep->nxge_port_rbr_spare_size));
2363 
2364 	data = &nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2365 	num_chunks = &nxgep->rx_buf_pool_p->num_chunks[channel];
2366 
2367 	if ((status = nxge_alloc_rx_buf_dma(
2368 	    nxgep, channel, data, rx_buf_alloc_size,
2369 	    nxgep->rx_default_block_size, num_chunks)) != NXGE_OK) {
2370 		return (status);
2371 	}
2372 
2373 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_alloc_rxb(): "
2374 	    "dma %d dma_buf_p %llx &dma_buf_p %llx", channel, *data, data));
2375 
2376 	/*
2377 	 * Allocate memory for descriptor rings and mailbox.
2378 	 */
2379 	control = &nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2380 
2381 	if ((status = nxge_alloc_rx_cntl_dma(
2382 	    nxgep, channel, control, nxgep->nxge_port_rx_cntl_alloc_size))
2383 	    != NXGE_OK) {
2384 		nxge_free_rx_cntl_dma(nxgep, *control);
2385 		(*data)->buf_alloc_state |= BUF_ALLOCATED_WAIT_FREE;
2386 		nxge_free_rx_buf_dma(nxgep, *data, *num_chunks);
2387 		return (status);
2388 	}
2389 
2390 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2391 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2392 
2393 	return (status);
2394 }
2395 
2396 void
2397 nxge_free_rxb(
2398 	p_nxge_t nxgep,
2399 	int channel)
2400 {
2401 	nxge_dma_common_t	*data;
2402 	nxge_dma_common_t	*control;
2403 	uint32_t 		num_chunks;
2404 
2405 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2406 
2407 	data = nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2408 	num_chunks = nxgep->rx_buf_pool_p->num_chunks[channel];
2409 	nxge_free_rx_buf_dma(nxgep, data, num_chunks);
2410 
2411 	nxgep->rx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2412 	nxgep->rx_buf_pool_p->num_chunks[channel] = 0;
2413 
2414 	control = nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2415 	nxge_free_rx_cntl_dma(nxgep, control);
2416 
2417 	nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2418 
2419 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2420 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2421 
2422 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_alloc_rbb"));
2423 }
2424 
2425 static void
2426 nxge_free_rx_mem_pool(p_nxge_t nxgep)
2427 {
2428 	int rdc_max = NXGE_MAX_RDCS;
2429 
2430 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_mem_pool"));
2431 
2432 	if (!nxgep->rx_buf_pool_p || !nxgep->rx_buf_pool_p->buf_allocated) {
2433 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2434 		    "<== nxge_free_rx_mem_pool "
2435 		    "(null rx buf pool or buf not allocated"));
2436 		return;
2437 	}
2438 	if (!nxgep->rx_cntl_pool_p || !nxgep->rx_cntl_pool_p->buf_allocated) {
2439 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2440 		    "<== nxge_free_rx_mem_pool "
2441 		    "(null rx cntl buf pool or cntl buf not allocated"));
2442 		return;
2443 	}
2444 
2445 	KMEM_FREE(nxgep->rx_cntl_pool_p->dma_buf_pool_p,
2446 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2447 	KMEM_FREE(nxgep->rx_cntl_pool_p, sizeof (nxge_dma_pool_t));
2448 
2449 	KMEM_FREE(nxgep->rx_buf_pool_p->num_chunks,
2450 	    sizeof (uint32_t) * rdc_max);
2451 	KMEM_FREE(nxgep->rx_buf_pool_p->dma_buf_pool_p,
2452 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2453 	KMEM_FREE(nxgep->rx_buf_pool_p, sizeof (nxge_dma_pool_t));
2454 
2455 	nxgep->rx_buf_pool_p = 0;
2456 	nxgep->rx_cntl_pool_p = 0;
2457 
2458 	KMEM_FREE(nxgep->rx_rbr_rings->rbr_rings,
2459 	    sizeof (p_rx_rbr_ring_t) * rdc_max);
2460 	KMEM_FREE(nxgep->rx_rbr_rings, sizeof (rx_rbr_rings_t));
2461 	KMEM_FREE(nxgep->rx_rcr_rings->rcr_rings,
2462 	    sizeof (p_rx_rcr_ring_t) * rdc_max);
2463 	KMEM_FREE(nxgep->rx_rcr_rings, sizeof (rx_rcr_rings_t));
2464 	KMEM_FREE(nxgep->rx_mbox_areas_p->rxmbox_areas,
2465 	    sizeof (p_rx_mbox_t) * rdc_max);
2466 	KMEM_FREE(nxgep->rx_mbox_areas_p, sizeof (rx_mbox_areas_t));
2467 
2468 	nxgep->rx_rbr_rings = 0;
2469 	nxgep->rx_rcr_rings = 0;
2470 	nxgep->rx_mbox_areas_p = 0;
2471 
2472 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_rx_mem_pool"));
2473 }
2474 
2475 
2476 static nxge_status_t
2477 nxge_alloc_rx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2478 	p_nxge_dma_common_t *dmap,
2479 	size_t alloc_size, size_t block_size, uint32_t *num_chunks)
2480 {
2481 	p_nxge_dma_common_t 	rx_dmap;
2482 	nxge_status_t		status = NXGE_OK;
2483 	size_t			total_alloc_size;
2484 	size_t			allocated = 0;
2485 	int			i, size_index, array_size;
2486 	boolean_t		use_kmem_alloc = B_FALSE;
2487 
2488 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_buf_dma"));
2489 
2490 	rx_dmap = (p_nxge_dma_common_t)
2491 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2492 	    KM_SLEEP);
2493 
2494 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2495 	    " alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
2496 	    dma_channel, alloc_size, block_size, dmap));
2497 
2498 	total_alloc_size = alloc_size;
2499 
2500 #if defined(RX_USE_RECLAIM_POST)
2501 	total_alloc_size = alloc_size + alloc_size/4;
2502 #endif
2503 
2504 	i = 0;
2505 	size_index = 0;
2506 	array_size =  sizeof (alloc_sizes)/sizeof (size_t);
2507 	while ((alloc_sizes[size_index] < alloc_size) &&
2508 	    (size_index < array_size))
2509 		size_index++;
2510 	if (size_index >= array_size) {
2511 		size_index = array_size - 1;
2512 	}
2513 
2514 	/* For Neptune, use kmem_alloc if the kmem flag is set. */
2515 	if (nxgep->niu_type != N2_NIU && nxge_use_kmem_alloc) {
2516 		use_kmem_alloc = B_TRUE;
2517 #if defined(__i386) || defined(__amd64)
2518 		size_index = 0;
2519 #endif
2520 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2521 		    "==> nxge_alloc_rx_buf_dma: "
2522 		    "Neptune use kmem_alloc() - size_index %d",
2523 		    size_index));
2524 	}
2525 
2526 	while ((allocated < total_alloc_size) &&
2527 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2528 		rx_dmap[i].dma_chunk_index = i;
2529 		rx_dmap[i].block_size = block_size;
2530 		rx_dmap[i].alength = alloc_sizes[size_index];
2531 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
2532 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2533 		rx_dmap[i].dma_channel = dma_channel;
2534 		rx_dmap[i].contig_alloc_type = B_FALSE;
2535 		rx_dmap[i].kmem_alloc_type = B_FALSE;
2536 		rx_dmap[i].buf_alloc_type = DDI_MEM_ALLOC;
2537 
2538 		/*
2539 		 * N2/NIU: data buffers must be contiguous as the driver
2540 		 *	   needs to call Hypervisor api to set up
2541 		 *	   logical pages.
2542 		 */
2543 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2544 			rx_dmap[i].contig_alloc_type = B_TRUE;
2545 			rx_dmap[i].buf_alloc_type = CONTIG_MEM_ALLOC;
2546 		} else if (use_kmem_alloc) {
2547 			/* For Neptune, use kmem_alloc */
2548 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2549 			    "==> nxge_alloc_rx_buf_dma: "
2550 			    "Neptune use kmem_alloc()"));
2551 			rx_dmap[i].kmem_alloc_type = B_TRUE;
2552 			rx_dmap[i].buf_alloc_type = KMEM_ALLOC;
2553 		}
2554 
2555 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2556 		    "alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
2557 		    "i %d nblocks %d alength %d",
2558 		    dma_channel, i, &rx_dmap[i], block_size,
2559 		    i, rx_dmap[i].nblocks,
2560 		    rx_dmap[i].alength));
2561 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2562 		    &nxge_rx_dma_attr,
2563 		    rx_dmap[i].alength,
2564 		    &nxge_dev_buf_dma_acc_attr,
2565 		    DDI_DMA_READ | DDI_DMA_STREAMING,
2566 		    (p_nxge_dma_common_t)(&rx_dmap[i]));
2567 		if (status != NXGE_OK) {
2568 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2569 			    "nxge_alloc_rx_buf_dma: Alloc Failed: "
2570 			    "dma %d size_index %d size requested %d",
2571 			    dma_channel,
2572 			    size_index,
2573 			    rx_dmap[i].alength));
2574 			size_index--;
2575 		} else {
2576 			rx_dmap[i].buf_alloc_state = BUF_ALLOCATED;
2577 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2578 			    " nxge_alloc_rx_buf_dma DONE  alloc mem: "
2579 			    "dma %d dma_buf_p $%p kaddrp $%p alength %d "
2580 			    "buf_alloc_state %d alloc_type %d",
2581 			    dma_channel,
2582 			    &rx_dmap[i],
2583 			    rx_dmap[i].kaddrp,
2584 			    rx_dmap[i].alength,
2585 			    rx_dmap[i].buf_alloc_state,
2586 			    rx_dmap[i].buf_alloc_type));
2587 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2588 			    " alloc_rx_buf_dma allocated rdc %d "
2589 			    "chunk %d size %x dvma %x bufp %llx kaddrp $%p",
2590 			    dma_channel, i, rx_dmap[i].alength,
2591 			    rx_dmap[i].ioaddr_pp, &rx_dmap[i],
2592 			    rx_dmap[i].kaddrp));
2593 			i++;
2594 			allocated += alloc_sizes[size_index];
2595 		}
2596 	}
2597 
2598 	if (allocated < total_alloc_size) {
2599 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2600 		    "==> nxge_alloc_rx_buf_dma: not enough for channel %d "
2601 		    "allocated 0x%x requested 0x%x",
2602 		    dma_channel,
2603 		    allocated, total_alloc_size));
2604 		status = NXGE_ERROR;
2605 		goto nxge_alloc_rx_mem_fail1;
2606 	}
2607 
2608 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2609 	    "==> nxge_alloc_rx_buf_dma: Allocated for channel %d "
2610 	    "allocated 0x%x requested 0x%x",
2611 	    dma_channel,
2612 	    allocated, total_alloc_size));
2613 
2614 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2615 	    " alloc_rx_buf_dma rdc %d allocated %d chunks",
2616 	    dma_channel, i));
2617 	*num_chunks = i;
2618 	*dmap = rx_dmap;
2619 
2620 	goto nxge_alloc_rx_mem_exit;
2621 
2622 nxge_alloc_rx_mem_fail1:
2623 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2624 
2625 nxge_alloc_rx_mem_exit:
2626 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2627 	    "<== nxge_alloc_rx_buf_dma status 0x%08x", status));
2628 
2629 	return (status);
2630 }
2631 
2632 /*ARGSUSED*/
2633 static void
2634 nxge_free_rx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2635     uint32_t num_chunks)
2636 {
2637 	int		i;
2638 
2639 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2640 	    "==> nxge_free_rx_buf_dma: # of chunks %d", num_chunks));
2641 
2642 	if (dmap == 0)
2643 		return;
2644 
2645 	for (i = 0; i < num_chunks; i++) {
2646 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2647 		    "==> nxge_free_rx_buf_dma: chunk %d dmap 0x%llx",
2648 		    i, dmap));
2649 		nxge_dma_free_rx_data_buf(dmap++);
2650 	}
2651 
2652 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_buf_dma"));
2653 }
2654 
2655 /*ARGSUSED*/
2656 static nxge_status_t
2657 nxge_alloc_rx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2658     p_nxge_dma_common_t *dmap, size_t size)
2659 {
2660 	p_nxge_dma_common_t 	rx_dmap;
2661 	nxge_status_t		status = NXGE_OK;
2662 
2663 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_cntl_dma"));
2664 
2665 	rx_dmap = (p_nxge_dma_common_t)
2666 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2667 
2668 	rx_dmap->contig_alloc_type = B_FALSE;
2669 	rx_dmap->kmem_alloc_type = B_FALSE;
2670 
2671 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2672 	    &nxge_desc_dma_attr,
2673 	    size,
2674 	    &nxge_dev_desc_dma_acc_attr,
2675 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2676 	    rx_dmap);
2677 	if (status != NXGE_OK) {
2678 		goto nxge_alloc_rx_cntl_dma_fail1;
2679 	}
2680 
2681 	*dmap = rx_dmap;
2682 	goto nxge_alloc_rx_cntl_dma_exit;
2683 
2684 nxge_alloc_rx_cntl_dma_fail1:
2685 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t));
2686 
2687 nxge_alloc_rx_cntl_dma_exit:
2688 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2689 	    "<== nxge_alloc_rx_cntl_dma status 0x%08x", status));
2690 
2691 	return (status);
2692 }
2693 
2694 /*ARGSUSED*/
2695 static void
2696 nxge_free_rx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2697 {
2698 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_rx_cntl_dma"));
2699 
2700 	if (dmap == 0)
2701 		return;
2702 
2703 	nxge_dma_mem_free(dmap);
2704 
2705 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_rx_cntl_dma"));
2706 }
2707 
2708 typedef struct {
2709 	size_t	tx_size;
2710 	size_t	cr_size;
2711 	size_t	threshhold;
2712 } nxge_tdc_sizes_t;
2713 
2714 static
2715 nxge_status_t
2716 nxge_tdc_sizes(
2717 	nxge_t *nxgep,
2718 	nxge_tdc_sizes_t *sizes)
2719 {
2720 	uint32_t threshhold;	/* The bcopy() threshhold */
2721 	size_t tx_size;		/* Transmit buffer size */
2722 	size_t cr_size;		/* Completion ring size */
2723 
2724 	/*
2725 	 * Assume that each DMA channel will be configured with the
2726 	 * default transmit buffer size for copying transmit data.
2727 	 * (If a packet is bigger than this, it will not be copied.)
2728 	 */
2729 	if (nxgep->niu_type == N2_NIU) {
2730 		threshhold = TX_BCOPY_SIZE;
2731 	} else {
2732 		threshhold = nxge_bcopy_thresh;
2733 	}
2734 	tx_size = nxge_tx_ring_size * threshhold;
2735 
2736 	cr_size = nxge_tx_ring_size * sizeof (tx_desc_t);
2737 	cr_size += sizeof (txdma_mailbox_t);
2738 
2739 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2740 	if (nxgep->niu_type == N2_NIU) {
2741 		if (!ISP2(tx_size)) {
2742 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2743 			    "==> nxge_tdc_sizes: Tx size"
2744 			    " must be power of 2"));
2745 			return (NXGE_ERROR);
2746 		}
2747 
2748 		if (tx_size > (1 << 22)) {
2749 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2750 			    "==> nxge_tdc_sizes: Tx size"
2751 			    " limited to 4M"));
2752 			return (NXGE_ERROR);
2753 		}
2754 
2755 		if (cr_size < 0x2000)
2756 			cr_size = 0x2000;
2757 	}
2758 #endif
2759 
2760 	sizes->threshhold = threshhold;
2761 	sizes->tx_size = tx_size;
2762 	sizes->cr_size = cr_size;
2763 
2764 	return (NXGE_OK);
2765 }
2766 /*
2767  * nxge_alloc_txb
2768  *
2769  *	Allocate buffers for an TDC.
2770  *
2771  * Arguments:
2772  * 	nxgep
2773  * 	channel	The channel to map into our kernel space.
2774  *
2775  * Notes:
2776  *
2777  * NPI function calls:
2778  *
2779  * NXGE function calls:
2780  *
2781  * Registers accessed:
2782  *
2783  * Context:
2784  *
2785  * Taking apart:
2786  *
2787  * Open questions:
2788  *
2789  */
2790 nxge_status_t
2791 nxge_alloc_txb(
2792 	p_nxge_t nxgep,
2793 	int channel)
2794 {
2795 	nxge_dma_common_t	**dma_buf_p;
2796 	nxge_dma_common_t	**dma_cntl_p;
2797 	uint32_t 		*num_chunks;
2798 	nxge_status_t		status = NXGE_OK;
2799 
2800 	nxge_tdc_sizes_t	sizes;
2801 
2802 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tbb"));
2803 
2804 	if (nxge_tdc_sizes(nxgep, &sizes) != NXGE_OK)
2805 		return (NXGE_ERROR);
2806 
2807 	/*
2808 	 * Allocate memory for transmit buffers and descriptor rings.
2809 	 * Replace these allocation functions with the interface functions
2810 	 * provided by the partition manager Real Soon Now.
2811 	 */
2812 	dma_buf_p = &nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2813 	num_chunks = &nxgep->tx_buf_pool_p->num_chunks[channel];
2814 
2815 	dma_cntl_p = &nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2816 
2817 	/*
2818 	 * Allocate memory for transmit buffers and descriptor rings.
2819 	 * Replace allocation functions with interface functions provided
2820 	 * by the partition manager when it is available.
2821 	 *
2822 	 * Allocate memory for the transmit buffer pool.
2823 	 */
2824 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2825 	    "sizes: tx: %ld, cr:%ld, th:%ld",
2826 	    sizes.tx_size, sizes.cr_size, sizes.threshhold));
2827 
2828 	*num_chunks = 0;
2829 	status = nxge_alloc_tx_buf_dma(nxgep, channel, dma_buf_p,
2830 	    sizes.tx_size, sizes.threshhold, num_chunks);
2831 	if (status != NXGE_OK) {
2832 		cmn_err(CE_NOTE, "nxge_alloc_tx_buf_dma failed!");
2833 		return (status);
2834 	}
2835 
2836 	/*
2837 	 * Allocate memory for descriptor rings and mailbox.
2838 	 */
2839 	status = nxge_alloc_tx_cntl_dma(nxgep, channel, dma_cntl_p,
2840 	    sizes.cr_size);
2841 	if (status != NXGE_OK) {
2842 		nxge_free_tx_buf_dma(nxgep, *dma_buf_p, *num_chunks);
2843 		cmn_err(CE_NOTE, "nxge_alloc_tx_cntl_dma failed!");
2844 		return (status);
2845 	}
2846 
2847 	return (NXGE_OK);
2848 }
2849 
2850 void
2851 nxge_free_txb(
2852 	p_nxge_t nxgep,
2853 	int channel)
2854 {
2855 	nxge_dma_common_t	*data;
2856 	nxge_dma_common_t	*control;
2857 	uint32_t 		num_chunks;
2858 
2859 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_txb"));
2860 
2861 	data = nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2862 	num_chunks = nxgep->tx_buf_pool_p->num_chunks[channel];
2863 	nxge_free_tx_buf_dma(nxgep, data, num_chunks);
2864 
2865 	nxgep->tx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2866 	nxgep->tx_buf_pool_p->num_chunks[channel] = 0;
2867 
2868 	control = nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2869 	nxge_free_tx_cntl_dma(nxgep, control);
2870 
2871 	nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2872 
2873 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2874 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2875 
2876 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_txb"));
2877 }
2878 
2879 /*
2880  * nxge_alloc_tx_mem_pool
2881  *
2882  *	This function allocates all of the per-port TDC control data structures.
2883  *	The per-channel (TDC) data structures are allocated when needed.
2884  *
2885  * Arguments:
2886  * 	nxgep
2887  *
2888  * Notes:
2889  *
2890  * Context:
2891  *	Any domain
2892  */
2893 nxge_status_t
2894 nxge_alloc_tx_mem_pool(p_nxge_t nxgep)
2895 {
2896 	nxge_hw_pt_cfg_t	*p_cfgp;
2897 	nxge_dma_pool_t		*dma_poolp;
2898 	nxge_dma_common_t	**dma_buf_p;
2899 	nxge_dma_pool_t		*dma_cntl_poolp;
2900 	nxge_dma_common_t	**dma_cntl_p;
2901 	uint32_t		*num_chunks; /* per dma */
2902 	int			tdc_max;
2903 
2904 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool"));
2905 
2906 	p_cfgp = &nxgep->pt_config.hw_config;
2907 	tdc_max = NXGE_MAX_TDCS;
2908 
2909 	/*
2910 	 * Allocate memory for each transmit DMA channel.
2911 	 */
2912 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2913 	    KM_SLEEP);
2914 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2915 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2916 
2917 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2918 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2919 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2920 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2921 
2922 	if (nxge_tx_ring_size > TDC_DEFAULT_MAX) {
2923 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2924 		    "nxge_alloc_tx_mem_pool: TDC too high %d, "
2925 		    "set to default %d",
2926 		    nxge_tx_ring_size, TDC_DEFAULT_MAX));
2927 		nxge_tx_ring_size = TDC_DEFAULT_MAX;
2928 	}
2929 
2930 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2931 	/*
2932 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2933 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2934 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2935 	 * function). The transmit ring is limited to 8K (includes the
2936 	 * mailbox).
2937 	 */
2938 	if (nxgep->niu_type == N2_NIU) {
2939 		if ((nxge_tx_ring_size > NXGE_NIU_CONTIG_TX_MAX) ||
2940 		    (!ISP2(nxge_tx_ring_size))) {
2941 			nxge_tx_ring_size = NXGE_NIU_CONTIG_TX_MAX;
2942 		}
2943 	}
2944 #endif
2945 
2946 	nxgep->nxge_port_tx_ring_size = nxge_tx_ring_size;
2947 
2948 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2949 	    sizeof (uint32_t) * tdc_max, KM_SLEEP);
2950 
2951 	dma_poolp->ndmas = p_cfgp->tdc.owned;
2952 	dma_poolp->num_chunks = num_chunks;
2953 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2954 	nxgep->tx_buf_pool_p = dma_poolp;
2955 
2956 	dma_poolp->buf_allocated = B_TRUE;
2957 
2958 	dma_cntl_poolp->ndmas = p_cfgp->tdc.owned;
2959 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2960 	nxgep->tx_cntl_pool_p = dma_cntl_poolp;
2961 
2962 	dma_cntl_poolp->buf_allocated = B_TRUE;
2963 
2964 	nxgep->tx_rings =
2965 	    KMEM_ZALLOC(sizeof (tx_rings_t), KM_SLEEP);
2966 	nxgep->tx_rings->rings =
2967 	    KMEM_ZALLOC(sizeof (p_tx_ring_t) * tdc_max, KM_SLEEP);
2968 	nxgep->tx_mbox_areas_p =
2969 	    KMEM_ZALLOC(sizeof (tx_mbox_areas_t), KM_SLEEP);
2970 	nxgep->tx_mbox_areas_p->txmbox_areas_p =
2971 	    KMEM_ZALLOC(sizeof (p_tx_mbox_t) * tdc_max, KM_SLEEP);
2972 
2973 	nxgep->tx_rings->ndmas = p_cfgp->tdc.owned;
2974 
2975 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2976 	    "==> nxge_alloc_tx_mem_pool: ndmas %d poolp->ndmas %d",
2977 	    tdc_max, dma_poolp->ndmas));
2978 
2979 	return (NXGE_OK);
2980 }
2981 
2982 nxge_status_t
2983 nxge_alloc_tx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2984     p_nxge_dma_common_t *dmap, size_t alloc_size,
2985     size_t block_size, uint32_t *num_chunks)
2986 {
2987 	p_nxge_dma_common_t 	tx_dmap;
2988 	nxge_status_t		status = NXGE_OK;
2989 	size_t			total_alloc_size;
2990 	size_t			allocated = 0;
2991 	int			i, size_index, array_size;
2992 
2993 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_buf_dma"));
2994 
2995 	tx_dmap = (p_nxge_dma_common_t)
2996 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2997 	    KM_SLEEP);
2998 
2999 	total_alloc_size = alloc_size;
3000 	i = 0;
3001 	size_index = 0;
3002 	array_size =  sizeof (alloc_sizes) /  sizeof (size_t);
3003 	while ((alloc_sizes[size_index] < alloc_size) &&
3004 	    (size_index < array_size))
3005 		size_index++;
3006 	if (size_index >= array_size) {
3007 		size_index = array_size - 1;
3008 	}
3009 
3010 	while ((allocated < total_alloc_size) &&
3011 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
3012 
3013 		tx_dmap[i].dma_chunk_index = i;
3014 		tx_dmap[i].block_size = block_size;
3015 		tx_dmap[i].alength = alloc_sizes[size_index];
3016 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
3017 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
3018 		tx_dmap[i].dma_channel = dma_channel;
3019 		tx_dmap[i].contig_alloc_type = B_FALSE;
3020 		tx_dmap[i].kmem_alloc_type = B_FALSE;
3021 
3022 		/*
3023 		 * N2/NIU: data buffers must be contiguous as the driver
3024 		 *	   needs to call Hypervisor api to set up
3025 		 *	   logical pages.
3026 		 */
3027 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
3028 			tx_dmap[i].contig_alloc_type = B_TRUE;
3029 		}
3030 
3031 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
3032 		    &nxge_tx_dma_attr,
3033 		    tx_dmap[i].alength,
3034 		    &nxge_dev_buf_dma_acc_attr,
3035 		    DDI_DMA_WRITE | DDI_DMA_STREAMING,
3036 		    (p_nxge_dma_common_t)(&tx_dmap[i]));
3037 		if (status != NXGE_OK) {
3038 			size_index--;
3039 		} else {
3040 			i++;
3041 			allocated += alloc_sizes[size_index];
3042 		}
3043 	}
3044 
3045 	if (allocated < total_alloc_size) {
3046 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3047 		    "==> nxge_alloc_tx_buf_dma: not enough channel %d: "
3048 		    "allocated 0x%x requested 0x%x",
3049 		    dma_channel,
3050 		    allocated, total_alloc_size));
3051 		status = NXGE_ERROR;
3052 		goto nxge_alloc_tx_mem_fail1;
3053 	}
3054 
3055 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3056 	    "==> nxge_alloc_tx_buf_dma: Allocated for channel %d: "
3057 	    "allocated 0x%x requested 0x%x",
3058 	    dma_channel,
3059 	    allocated, total_alloc_size));
3060 
3061 	*num_chunks = i;
3062 	*dmap = tx_dmap;
3063 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3064 	    "==> nxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
3065 	    *dmap, i));
3066 	goto nxge_alloc_tx_mem_exit;
3067 
3068 nxge_alloc_tx_mem_fail1:
3069 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
3070 
3071 nxge_alloc_tx_mem_exit:
3072 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3073 	    "<== nxge_alloc_tx_buf_dma status 0x%08x", status));
3074 
3075 	return (status);
3076 }
3077 
3078 /*ARGSUSED*/
3079 static void
3080 nxge_free_tx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
3081     uint32_t num_chunks)
3082 {
3083 	int		i;
3084 
3085 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_tx_buf_dma"));
3086 
3087 	if (dmap == 0)
3088 		return;
3089 
3090 	for (i = 0; i < num_chunks; i++) {
3091 		nxge_dma_mem_free(dmap++);
3092 	}
3093 
3094 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_tx_buf_dma"));
3095 }
3096 
3097 /*ARGSUSED*/
3098 nxge_status_t
3099 nxge_alloc_tx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
3100     p_nxge_dma_common_t *dmap, size_t size)
3101 {
3102 	p_nxge_dma_common_t 	tx_dmap;
3103 	nxge_status_t		status = NXGE_OK;
3104 
3105 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_cntl_dma"));
3106 	tx_dmap = (p_nxge_dma_common_t)
3107 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
3108 
3109 	tx_dmap->contig_alloc_type = B_FALSE;
3110 	tx_dmap->kmem_alloc_type = B_FALSE;
3111 
3112 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
3113 	    &nxge_desc_dma_attr,
3114 	    size,
3115 	    &nxge_dev_desc_dma_acc_attr,
3116 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
3117 	    tx_dmap);
3118 	if (status != NXGE_OK) {
3119 		goto nxge_alloc_tx_cntl_dma_fail1;
3120 	}
3121 
3122 	*dmap = tx_dmap;
3123 	goto nxge_alloc_tx_cntl_dma_exit;
3124 
3125 nxge_alloc_tx_cntl_dma_fail1:
3126 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t));
3127 
3128 nxge_alloc_tx_cntl_dma_exit:
3129 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3130 	    "<== nxge_alloc_tx_cntl_dma status 0x%08x", status));
3131 
3132 	return (status);
3133 }
3134 
3135 /*ARGSUSED*/
3136 static void
3137 nxge_free_tx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
3138 {
3139 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_tx_cntl_dma"));
3140 
3141 	if (dmap == 0)
3142 		return;
3143 
3144 	nxge_dma_mem_free(dmap);
3145 
3146 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_tx_cntl_dma"));
3147 }
3148 
3149 /*
3150  * nxge_free_tx_mem_pool
3151  *
3152  *	This function frees all of the per-port TDC control data structures.
3153  *	The per-channel (TDC) data structures are freed when the channel
3154  *	is stopped.
3155  *
3156  * Arguments:
3157  * 	nxgep
3158  *
3159  * Notes:
3160  *
3161  * Context:
3162  *	Any domain
3163  */
3164 static void
3165 nxge_free_tx_mem_pool(p_nxge_t nxgep)
3166 {
3167 	int tdc_max = NXGE_MAX_TDCS;
3168 
3169 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_tx_mem_pool"));
3170 
3171 	if (!nxgep->tx_buf_pool_p || !nxgep->tx_buf_pool_p->buf_allocated) {
3172 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3173 		    "<== nxge_free_tx_mem_pool "
3174 		    "(null tx buf pool or buf not allocated"));
3175 		return;
3176 	}
3177 	if (!nxgep->tx_cntl_pool_p || !nxgep->tx_cntl_pool_p->buf_allocated) {
3178 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3179 		    "<== nxge_free_tx_mem_pool "
3180 		    "(null tx cntl buf pool or cntl buf not allocated"));
3181 		return;
3182 	}
3183 
3184 	/* 1. Free the mailboxes. */
3185 	KMEM_FREE(nxgep->tx_mbox_areas_p->txmbox_areas_p,
3186 	    sizeof (p_tx_mbox_t) * tdc_max);
3187 	KMEM_FREE(nxgep->tx_mbox_areas_p, sizeof (tx_mbox_areas_t));
3188 
3189 	nxgep->tx_mbox_areas_p = 0;
3190 
3191 	/* 2. Free the transmit ring arrays. */
3192 	KMEM_FREE(nxgep->tx_rings->rings,
3193 	    sizeof (p_tx_ring_t) * tdc_max);
3194 	KMEM_FREE(nxgep->tx_rings, sizeof (tx_rings_t));
3195 
3196 	nxgep->tx_rings = 0;
3197 
3198 	/* 3. Free the completion ring data structures. */
3199 	KMEM_FREE(nxgep->tx_cntl_pool_p->dma_buf_pool_p,
3200 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3201 	KMEM_FREE(nxgep->tx_cntl_pool_p, sizeof (nxge_dma_pool_t));
3202 
3203 	nxgep->tx_cntl_pool_p = 0;
3204 
3205 	/* 4. Free the data ring data structures. */
3206 	KMEM_FREE(nxgep->tx_buf_pool_p->num_chunks,
3207 	    sizeof (uint32_t) * tdc_max);
3208 	KMEM_FREE(nxgep->tx_buf_pool_p->dma_buf_pool_p,
3209 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3210 	KMEM_FREE(nxgep->tx_buf_pool_p, sizeof (nxge_dma_pool_t));
3211 
3212 	nxgep->tx_buf_pool_p = 0;
3213 
3214 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_tx_mem_pool"));
3215 }
3216 
3217 /*ARGSUSED*/
3218 static nxge_status_t
3219 nxge_dma_mem_alloc(p_nxge_t nxgep, dma_method_t method,
3220 	struct ddi_dma_attr *dma_attrp,
3221 	size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
3222 	p_nxge_dma_common_t dma_p)
3223 {
3224 	caddr_t 		kaddrp;
3225 	int			ddi_status = DDI_SUCCESS;
3226 	boolean_t		contig_alloc_type;
3227 	boolean_t		kmem_alloc_type;
3228 
3229 	contig_alloc_type = dma_p->contig_alloc_type;
3230 
3231 	if (contig_alloc_type && (nxgep->niu_type != N2_NIU)) {
3232 		/*
3233 		 * contig_alloc_type for contiguous memory only allowed
3234 		 * for N2/NIU.
3235 		 */
3236 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3237 		    "nxge_dma_mem_alloc: alloc type not allowed (%d)",
3238 		    dma_p->contig_alloc_type));
3239 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3240 	}
3241 
3242 	dma_p->dma_handle = NULL;
3243 	dma_p->acc_handle = NULL;
3244 	dma_p->kaddrp = dma_p->last_kaddrp = NULL;
3245 	dma_p->first_ioaddr_pp = dma_p->last_ioaddr_pp = NULL;
3246 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, dma_attrp,
3247 	    DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
3248 	if (ddi_status != DDI_SUCCESS) {
3249 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3250 		    "nxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
3251 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3252 	}
3253 
3254 	kmem_alloc_type = dma_p->kmem_alloc_type;
3255 
3256 	switch (contig_alloc_type) {
3257 	case B_FALSE:
3258 		switch (kmem_alloc_type) {
3259 		case B_FALSE:
3260 			ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle,
3261 			    length,
3262 			    acc_attr_p,
3263 			    xfer_flags,
3264 			    DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
3265 			    &dma_p->acc_handle);
3266 			if (ddi_status != DDI_SUCCESS) {
3267 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3268 				    "nxge_dma_mem_alloc: "
3269 				    "ddi_dma_mem_alloc failed"));
3270 				ddi_dma_free_handle(&dma_p->dma_handle);
3271 				dma_p->dma_handle = NULL;
3272 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3273 			}
3274 			if (dma_p->alength < length) {
3275 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3276 				    "nxge_dma_mem_alloc:di_dma_mem_alloc "
3277 				    "< length."));
3278 				ddi_dma_mem_free(&dma_p->acc_handle);
3279 				ddi_dma_free_handle(&dma_p->dma_handle);
3280 				dma_p->acc_handle = NULL;
3281 				dma_p->dma_handle = NULL;
3282 				return (NXGE_ERROR);
3283 			}
3284 
3285 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3286 			    NULL,
3287 			    kaddrp, dma_p->alength, xfer_flags,
3288 			    DDI_DMA_DONTWAIT,
3289 			    0, &dma_p->dma_cookie, &dma_p->ncookies);
3290 			if (ddi_status != DDI_DMA_MAPPED) {
3291 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3292 				    "nxge_dma_mem_alloc: ddi_dma_addr_bind "
3293 				    "failed "
3294 				    "(staus 0x%x ncookies %d.)", ddi_status,
3295 				    dma_p->ncookies));
3296 				if (dma_p->acc_handle) {
3297 					ddi_dma_mem_free(&dma_p->acc_handle);
3298 					dma_p->acc_handle = NULL;
3299 				}
3300 				ddi_dma_free_handle(&dma_p->dma_handle);
3301 				dma_p->dma_handle = NULL;
3302 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3303 			}
3304 
3305 			if (dma_p->ncookies != 1) {
3306 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3307 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3308 				    "> 1 cookie"
3309 				    "(staus 0x%x ncookies %d.)", ddi_status,
3310 				    dma_p->ncookies));
3311 				if (dma_p->acc_handle) {
3312 					ddi_dma_mem_free(&dma_p->acc_handle);
3313 					dma_p->acc_handle = NULL;
3314 				}
3315 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3316 				ddi_dma_free_handle(&dma_p->dma_handle);
3317 				dma_p->dma_handle = NULL;
3318 				return (NXGE_ERROR);
3319 			}
3320 			break;
3321 
3322 		case B_TRUE:
3323 			kaddrp = KMEM_ALLOC(length, KM_NOSLEEP);
3324 			if (kaddrp == NULL) {
3325 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3326 				    "nxge_dma_mem_alloc:ddi_dma_mem_alloc "
3327 				    "kmem alloc failed"));
3328 				return (NXGE_ERROR);
3329 			}
3330 
3331 			dma_p->alength = length;
3332 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3333 			    NULL, kaddrp, dma_p->alength, xfer_flags,
3334 			    DDI_DMA_DONTWAIT, 0,
3335 			    &dma_p->dma_cookie, &dma_p->ncookies);
3336 			if (ddi_status != DDI_DMA_MAPPED) {
3337 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3338 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind: "
3339 				    "(kmem_alloc) failed kaddrp $%p length %d "
3340 				    "(staus 0x%x (%d) ncookies %d.)",
3341 				    kaddrp, length,
3342 				    ddi_status, ddi_status, dma_p->ncookies));
3343 				KMEM_FREE(kaddrp, length);
3344 				dma_p->acc_handle = NULL;
3345 				ddi_dma_free_handle(&dma_p->dma_handle);
3346 				dma_p->dma_handle = NULL;
3347 				dma_p->kaddrp = NULL;
3348 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3349 			}
3350 
3351 			if (dma_p->ncookies != 1) {
3352 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3353 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3354 				    "(kmem_alloc) > 1 cookie"
3355 				    "(staus 0x%x ncookies %d.)", ddi_status,
3356 				    dma_p->ncookies));
3357 				KMEM_FREE(kaddrp, length);
3358 				dma_p->acc_handle = NULL;
3359 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3360 				ddi_dma_free_handle(&dma_p->dma_handle);
3361 				dma_p->dma_handle = NULL;
3362 				dma_p->kaddrp = NULL;
3363 				return (NXGE_ERROR);
3364 			}
3365 
3366 			dma_p->kaddrp = kaddrp;
3367 
3368 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
3369 			    "nxge_dma_mem_alloc: kmem_alloc dmap $%p "
3370 			    "kaddr $%p alength %d",
3371 			    dma_p,
3372 			    kaddrp,
3373 			    dma_p->alength));
3374 			break;
3375 		}
3376 		break;
3377 
3378 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3379 	case B_TRUE:
3380 		kaddrp = (caddr_t)contig_mem_alloc(length);
3381 		if (kaddrp == NULL) {
3382 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3383 			    "nxge_dma_mem_alloc:contig_mem_alloc failed."));
3384 			ddi_dma_free_handle(&dma_p->dma_handle);
3385 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3386 		}
3387 
3388 		dma_p->alength = length;
3389 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
3390 		    kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
3391 		    &dma_p->dma_cookie, &dma_p->ncookies);
3392 		if (ddi_status != DDI_DMA_MAPPED) {
3393 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3394 			    "nxge_dma_mem_alloc:di_dma_addr_bind failed "
3395 			    "(status 0x%x ncookies %d.)", ddi_status,
3396 			    dma_p->ncookies));
3397 
3398 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3399 			    "==> nxge_dma_mem_alloc: (not mapped)"
3400 			    "length %lu (0x%x) "
3401 			    "free contig kaddrp $%p "
3402 			    "va_to_pa $%p",
3403 			    length, length,
3404 			    kaddrp,
3405 			    va_to_pa(kaddrp)));
3406 
3407 
3408 			contig_mem_free((void *)kaddrp, length);
3409 			ddi_dma_free_handle(&dma_p->dma_handle);
3410 
3411 			dma_p->dma_handle = NULL;
3412 			dma_p->acc_handle = NULL;
3413 			dma_p->alength = NULL;
3414 			dma_p->kaddrp = NULL;
3415 
3416 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3417 		}
3418 
3419 		if (dma_p->ncookies != 1 ||
3420 		    (dma_p->dma_cookie.dmac_laddress == NULL)) {
3421 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3422 			    "nxge_dma_mem_alloc:di_dma_addr_bind > 1 "
3423 			    "cookie or "
3424 			    "dmac_laddress is NULL $%p size %d "
3425 			    " (status 0x%x ncookies %d.)",
3426 			    ddi_status,
3427 			    dma_p->dma_cookie.dmac_laddress,
3428 			    dma_p->dma_cookie.dmac_size,
3429 			    dma_p->ncookies));
3430 
3431 			contig_mem_free((void *)kaddrp, length);
3432 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3433 			ddi_dma_free_handle(&dma_p->dma_handle);
3434 
3435 			dma_p->alength = 0;
3436 			dma_p->dma_handle = NULL;
3437 			dma_p->acc_handle = NULL;
3438 			dma_p->kaddrp = NULL;
3439 
3440 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3441 		}
3442 		break;
3443 
3444 #else
3445 	case B_TRUE:
3446 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3447 		    "nxge_dma_mem_alloc: invalid alloc type for !sun4v"));
3448 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3449 #endif
3450 	}
3451 
3452 	dma_p->kaddrp = kaddrp;
3453 	dma_p->last_kaddrp = (unsigned char *)kaddrp +
3454 	    dma_p->alength - RXBUF_64B_ALIGNED;
3455 #if defined(__i386)
3456 	dma_p->ioaddr_pp =
3457 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress;
3458 #else
3459 	dma_p->ioaddr_pp = (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3460 #endif
3461 	dma_p->last_ioaddr_pp =
3462 #if defined(__i386)
3463 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress +
3464 #else
3465 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress +
3466 #endif
3467 	    dma_p->alength - RXBUF_64B_ALIGNED;
3468 
3469 	NPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
3470 
3471 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3472 	dma_p->orig_ioaddr_pp =
3473 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3474 	dma_p->orig_alength = length;
3475 	dma_p->orig_kaddrp = kaddrp;
3476 	dma_p->orig_vatopa = (uint64_t)va_to_pa(kaddrp);
3477 #endif
3478 
3479 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_dma_mem_alloc: "
3480 	    "dma buffer allocated: dma_p $%p "
3481 	    "return dmac_ladress from cookie $%p cookie dmac_size %d "
3482 	    "dma_p->ioaddr_p $%p "
3483 	    "dma_p->orig_ioaddr_p $%p "
3484 	    "orig_vatopa $%p "
3485 	    "alength %d (0x%x) "
3486 	    "kaddrp $%p "
3487 	    "length %d (0x%x)",
3488 	    dma_p,
3489 	    dma_p->dma_cookie.dmac_laddress, dma_p->dma_cookie.dmac_size,
3490 	    dma_p->ioaddr_pp,
3491 	    dma_p->orig_ioaddr_pp,
3492 	    dma_p->orig_vatopa,
3493 	    dma_p->alength, dma_p->alength,
3494 	    kaddrp,
3495 	    length, length));
3496 
3497 	return (NXGE_OK);
3498 }
3499 
3500 static void
3501 nxge_dma_mem_free(p_nxge_dma_common_t dma_p)
3502 {
3503 	if (dma_p->dma_handle != NULL) {
3504 		if (dma_p->ncookies) {
3505 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3506 			dma_p->ncookies = 0;
3507 		}
3508 		ddi_dma_free_handle(&dma_p->dma_handle);
3509 		dma_p->dma_handle = NULL;
3510 	}
3511 
3512 	if (dma_p->acc_handle != NULL) {
3513 		ddi_dma_mem_free(&dma_p->acc_handle);
3514 		dma_p->acc_handle = NULL;
3515 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3516 	}
3517 
3518 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3519 	if (dma_p->contig_alloc_type &&
3520 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3521 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_mem_free: "
3522 		    "kaddrp $%p (orig_kaddrp $%p)"
3523 		    "mem type %d ",
3524 		    "orig_alength %d "
3525 		    "alength 0x%x (%d)",
3526 		    dma_p->kaddrp,
3527 		    dma_p->orig_kaddrp,
3528 		    dma_p->contig_alloc_type,
3529 		    dma_p->orig_alength,
3530 		    dma_p->alength, dma_p->alength));
3531 
3532 		contig_mem_free(dma_p->orig_kaddrp, dma_p->orig_alength);
3533 		dma_p->orig_alength = NULL;
3534 		dma_p->orig_kaddrp = NULL;
3535 		dma_p->contig_alloc_type = B_FALSE;
3536 	}
3537 #endif
3538 	dma_p->kaddrp = NULL;
3539 	dma_p->alength = NULL;
3540 }
3541 
3542 static void
3543 nxge_dma_free_rx_data_buf(p_nxge_dma_common_t dma_p)
3544 {
3545 	uint64_t kaddr;
3546 	uint32_t buf_size;
3547 
3548 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "==> nxge_dma_free_rx_data_buf"));
3549 
3550 	if (dma_p->dma_handle != NULL) {
3551 		if (dma_p->ncookies) {
3552 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3553 			dma_p->ncookies = 0;
3554 		}
3555 		ddi_dma_free_handle(&dma_p->dma_handle);
3556 		dma_p->dma_handle = NULL;
3557 	}
3558 
3559 	if (dma_p->acc_handle != NULL) {
3560 		ddi_dma_mem_free(&dma_p->acc_handle);
3561 		dma_p->acc_handle = NULL;
3562 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3563 	}
3564 
3565 	NXGE_DEBUG_MSG((NULL, DMA_CTL,
3566 	    "==> nxge_dma_free_rx_data_buf: dmap $%p buf_alloc_state %d",
3567 	    dma_p,
3568 	    dma_p->buf_alloc_state));
3569 
3570 	if (!(dma_p->buf_alloc_state & BUF_ALLOCATED_WAIT_FREE)) {
3571 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3572 		    "<== nxge_dma_free_rx_data_buf: "
3573 		    "outstanding data buffers"));
3574 		return;
3575 	}
3576 
3577 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3578 	if (dma_p->contig_alloc_type &&
3579 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3580 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_free_rx_data_buf: "
3581 		    "kaddrp $%p (orig_kaddrp $%p)"
3582 		    "mem type %d ",
3583 		    "orig_alength %d "
3584 		    "alength 0x%x (%d)",
3585 		    dma_p->kaddrp,
3586 		    dma_p->orig_kaddrp,
3587 		    dma_p->contig_alloc_type,
3588 		    dma_p->orig_alength,
3589 		    dma_p->alength, dma_p->alength));
3590 
3591 		kaddr = (uint64_t)dma_p->orig_kaddrp;
3592 		buf_size = dma_p->orig_alength;
3593 		nxge_free_buf(CONTIG_MEM_ALLOC, kaddr, buf_size);
3594 		dma_p->orig_alength = NULL;
3595 		dma_p->orig_kaddrp = NULL;
3596 		dma_p->contig_alloc_type = B_FALSE;
3597 		dma_p->kaddrp = NULL;
3598 		dma_p->alength = NULL;
3599 		return;
3600 	}
3601 #endif
3602 
3603 	if (dma_p->kmem_alloc_type) {
3604 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3605 		    "nxge_dma_free_rx_data_buf: free kmem "
3606 		    "kaddrp $%p (orig_kaddrp $%p)"
3607 		    "alloc type %d "
3608 		    "orig_alength %d "
3609 		    "alength 0x%x (%d)",
3610 		    dma_p->kaddrp,
3611 		    dma_p->orig_kaddrp,
3612 		    dma_p->kmem_alloc_type,
3613 		    dma_p->orig_alength,
3614 		    dma_p->alength, dma_p->alength));
3615 #if defined(__i386)
3616 		kaddr = (uint64_t)(uint32_t)dma_p->kaddrp;
3617 #else
3618 		kaddr = (uint64_t)dma_p->kaddrp;
3619 #endif
3620 		buf_size = dma_p->orig_alength;
3621 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3622 		    "nxge_dma_free_rx_data_buf: free dmap $%p "
3623 		    "kaddr $%p buf_size %d",
3624 		    dma_p,
3625 		    kaddr, buf_size));
3626 		nxge_free_buf(KMEM_ALLOC, kaddr, buf_size);
3627 		dma_p->alength = 0;
3628 		dma_p->orig_alength = 0;
3629 		dma_p->kaddrp = NULL;
3630 		dma_p->kmem_alloc_type = B_FALSE;
3631 	}
3632 
3633 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_dma_free_rx_data_buf"));
3634 }
3635 
3636 /*
3637  *	nxge_m_start() -- start transmitting and receiving.
3638  *
3639  *	This function is called by the MAC layer when the first
3640  *	stream is open to prepare the hardware ready for sending
3641  *	and transmitting packets.
3642  */
3643 static int
3644 nxge_m_start(void *arg)
3645 {
3646 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3647 
3648 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_start"));
3649 
3650 	if (nxge_peu_reset_enable && !nxgep->nxge_link_poll_timerid) {
3651 		(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
3652 	}
3653 
3654 	MUTEX_ENTER(nxgep->genlock);
3655 	if (nxge_init(nxgep) != NXGE_OK) {
3656 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3657 		    "<== nxge_m_start: initialization failed"));
3658 		MUTEX_EXIT(nxgep->genlock);
3659 		return (EIO);
3660 	}
3661 
3662 	if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
3663 		goto nxge_m_start_exit;
3664 	/*
3665 	 * Start timer to check the system error and tx hangs
3666 	 */
3667 	if (!isLDOMguest(nxgep))
3668 		nxgep->nxge_timerid = nxge_start_timer(nxgep,
3669 		    nxge_check_hw_state, NXGE_CHECK_TIMER);
3670 #if	defined(sun4v)
3671 	else
3672 		nxge_hio_start_timer(nxgep);
3673 #endif
3674 
3675 	nxgep->link_notify = B_TRUE;
3676 
3677 	nxgep->nxge_mac_state = NXGE_MAC_STARTED;
3678 
3679 nxge_m_start_exit:
3680 	MUTEX_EXIT(nxgep->genlock);
3681 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_start"));
3682 	return (0);
3683 }
3684 
3685 /*
3686  *	nxge_m_stop(): stop transmitting and receiving.
3687  */
3688 static void
3689 nxge_m_stop(void *arg)
3690 {
3691 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3692 
3693 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_stop"));
3694 
3695 	if (nxgep->nxge_timerid) {
3696 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
3697 		nxgep->nxge_timerid = 0;
3698 	}
3699 
3700 	MUTEX_ENTER(nxgep->genlock);
3701 	nxgep->nxge_mac_state = NXGE_MAC_STOPPING;
3702 	nxge_uninit(nxgep);
3703 
3704 	nxgep->nxge_mac_state = NXGE_MAC_STOPPED;
3705 
3706 	MUTEX_EXIT(nxgep->genlock);
3707 
3708 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_stop"));
3709 }
3710 
3711 static int
3712 nxge_m_unicst(void *arg, const uint8_t *macaddr)
3713 {
3714 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3715 	struct 		ether_addr addrp;
3716 
3717 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "==> nxge_m_unicst"));
3718 
3719 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
3720 	if (nxge_set_mac_addr(nxgep, &addrp)) {
3721 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3722 		    "<== nxge_m_unicst: set unitcast failed"));
3723 		return (EINVAL);
3724 	}
3725 
3726 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_unicst"));
3727 
3728 	return (0);
3729 }
3730 
3731 static int
3732 nxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3733 {
3734 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3735 	struct 		ether_addr addrp;
3736 
3737 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3738 	    "==> nxge_m_multicst: add %d", add));
3739 
3740 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
3741 	if (add) {
3742 		if (nxge_add_mcast_addr(nxgep, &addrp)) {
3743 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3744 			    "<== nxge_m_multicst: add multicast failed"));
3745 			return (EINVAL);
3746 		}
3747 	} else {
3748 		if (nxge_del_mcast_addr(nxgep, &addrp)) {
3749 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3750 			    "<== nxge_m_multicst: del multicast failed"));
3751 			return (EINVAL);
3752 		}
3753 	}
3754 
3755 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_multicst"));
3756 
3757 	return (0);
3758 }
3759 
3760 static int
3761 nxge_m_promisc(void *arg, boolean_t on)
3762 {
3763 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3764 
3765 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3766 	    "==> nxge_m_promisc: on %d", on));
3767 
3768 	if (nxge_set_promisc(nxgep, on)) {
3769 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3770 		    "<== nxge_m_promisc: set promisc failed"));
3771 		return (EINVAL);
3772 	}
3773 
3774 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3775 	    "<== nxge_m_promisc: on %d", on));
3776 
3777 	return (0);
3778 }
3779 
3780 static void
3781 nxge_m_ioctl(void *arg,  queue_t *wq, mblk_t *mp)
3782 {
3783 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3784 	struct 		iocblk *iocp;
3785 	boolean_t 	need_privilege;
3786 	int 		err;
3787 	int 		cmd;
3788 
3789 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl"));
3790 
3791 	iocp = (struct iocblk *)mp->b_rptr;
3792 	iocp->ioc_error = 0;
3793 	need_privilege = B_TRUE;
3794 	cmd = iocp->ioc_cmd;
3795 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl: cmd 0x%08x", cmd));
3796 	switch (cmd) {
3797 	default:
3798 		miocnak(wq, mp, 0, EINVAL);
3799 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl: invalid"));
3800 		return;
3801 
3802 	case LB_GET_INFO_SIZE:
3803 	case LB_GET_INFO:
3804 	case LB_GET_MODE:
3805 		need_privilege = B_FALSE;
3806 		break;
3807 	case LB_SET_MODE:
3808 		break;
3809 
3810 
3811 	case NXGE_GET_MII:
3812 	case NXGE_PUT_MII:
3813 	case NXGE_GET64:
3814 	case NXGE_PUT64:
3815 	case NXGE_GET_TX_RING_SZ:
3816 	case NXGE_GET_TX_DESC:
3817 	case NXGE_TX_SIDE_RESET:
3818 	case NXGE_RX_SIDE_RESET:
3819 	case NXGE_GLOBAL_RESET:
3820 	case NXGE_RESET_MAC:
3821 	case NXGE_TX_REGS_DUMP:
3822 	case NXGE_RX_REGS_DUMP:
3823 	case NXGE_INT_REGS_DUMP:
3824 	case NXGE_VIR_INT_REGS_DUMP:
3825 	case NXGE_PUT_TCAM:
3826 	case NXGE_GET_TCAM:
3827 	case NXGE_RTRACE:
3828 	case NXGE_RDUMP:
3829 
3830 		need_privilege = B_FALSE;
3831 		break;
3832 	case NXGE_INJECT_ERR:
3833 		cmn_err(CE_NOTE, "!nxge_m_ioctl: Inject error\n");
3834 		nxge_err_inject(nxgep, wq, mp);
3835 		break;
3836 	}
3837 
3838 	if (need_privilege) {
3839 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
3840 		if (err != 0) {
3841 			miocnak(wq, mp, 0, err);
3842 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3843 			    "<== nxge_m_ioctl: no priv"));
3844 			return;
3845 		}
3846 	}
3847 
3848 	switch (cmd) {
3849 
3850 	case LB_GET_MODE:
3851 	case LB_SET_MODE:
3852 	case LB_GET_INFO_SIZE:
3853 	case LB_GET_INFO:
3854 		nxge_loopback_ioctl(nxgep, wq, mp, iocp);
3855 		break;
3856 
3857 	case NXGE_GET_MII:
3858 	case NXGE_PUT_MII:
3859 	case NXGE_PUT_TCAM:
3860 	case NXGE_GET_TCAM:
3861 	case NXGE_GET64:
3862 	case NXGE_PUT64:
3863 	case NXGE_GET_TX_RING_SZ:
3864 	case NXGE_GET_TX_DESC:
3865 	case NXGE_TX_SIDE_RESET:
3866 	case NXGE_RX_SIDE_RESET:
3867 	case NXGE_GLOBAL_RESET:
3868 	case NXGE_RESET_MAC:
3869 	case NXGE_TX_REGS_DUMP:
3870 	case NXGE_RX_REGS_DUMP:
3871 	case NXGE_INT_REGS_DUMP:
3872 	case NXGE_VIR_INT_REGS_DUMP:
3873 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3874 		    "==> nxge_m_ioctl: cmd 0x%x", cmd));
3875 		nxge_hw_ioctl(nxgep, wq, mp, iocp);
3876 		break;
3877 	}
3878 
3879 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl"));
3880 }
3881 
3882 extern void nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count);
3883 
3884 static void
3885 nxge_m_resources(void *arg)
3886 {
3887 	p_nxge_t		nxgep = arg;
3888 	mac_rx_fifo_t 		mrf;
3889 
3890 	nxge_grp_set_t		*set = &nxgep->rx_set;
3891 	uint8_t			rdc;
3892 
3893 	rx_rcr_ring_t		*ring;
3894 
3895 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_m_resources"));
3896 
3897 	MUTEX_ENTER(nxgep->genlock);
3898 
3899 	if (set->owned.map == 0) {
3900 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
3901 		    "nxge_m_resources: no receive resources"));
3902 		goto nxge_m_resources_exit;
3903 	}
3904 
3905 	/*
3906 	 * CR 6492541 Check to see if the drv_state has been initialized,
3907 	 * if not * call nxge_init().
3908 	 */
3909 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3910 		if (nxge_init(nxgep) != NXGE_OK)
3911 			goto nxge_m_resources_exit;
3912 	}
3913 
3914 	mrf.mrf_type = MAC_RX_FIFO;
3915 	mrf.mrf_blank = nxge_rx_hw_blank;
3916 	mrf.mrf_arg = (void *)nxgep;
3917 
3918 	mrf.mrf_normal_blank_time = 128;
3919 	mrf.mrf_normal_pkt_count = 8;
3920 
3921 	/*
3922 	 * Export our receive resources to the MAC layer.
3923 	 */
3924 	for (rdc = 0; rdc < NXGE_MAX_RDCS; rdc++) {
3925 		if ((1 << rdc) & set->owned.map) {
3926 			ring = nxgep->rx_rcr_rings->rcr_rings[rdc];
3927 			if (ring == 0) {
3928 				/*
3929 				 * This is a big deal only if we are
3930 				 * *not* in an LDOMs environment.
3931 				 */
3932 				if (nxgep->environs == SOLARIS_DOMAIN) {
3933 					cmn_err(CE_NOTE,
3934 					    "==> nxge_m_resources: "
3935 					    "ring %d == 0", rdc);
3936 				}
3937 				continue;
3938 			}
3939 			ring->rcr_mac_handle = mac_resource_add
3940 			    (nxgep->mach, (mac_resource_t *)&mrf);
3941 
3942 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3943 			    "==> nxge_m_resources: RDC %d RCR %p MAC handle %p",
3944 			    rdc, ring, ring->rcr_mac_handle));
3945 		}
3946 	}
3947 
3948 nxge_m_resources_exit:
3949 	MUTEX_EXIT(nxgep->genlock);
3950 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_m_resources"));
3951 }
3952 
3953 void
3954 nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot, boolean_t factory)
3955 {
3956 	p_nxge_mmac_stats_t mmac_stats;
3957 	int i;
3958 	nxge_mmac_t *mmac_info;
3959 
3960 	mmac_info = &nxgep->nxge_mmac_info;
3961 
3962 	mmac_stats = &nxgep->statsp->mmac_stats;
3963 	mmac_stats->mmac_max_cnt = mmac_info->num_mmac;
3964 	mmac_stats->mmac_avail_cnt = mmac_info->naddrfree;
3965 
3966 	for (i = 0; i < ETHERADDRL; i++) {
3967 		if (factory) {
3968 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3969 			    = mmac_info->factory_mac_pool[slot][
3970 			    (ETHERADDRL-1) - i];
3971 		} else {
3972 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3973 			    = mmac_info->mac_pool[slot].addr[
3974 			    (ETHERADDRL - 1) - i];
3975 		}
3976 	}
3977 }
3978 
3979 /*
3980  * nxge_altmac_set() -- Set an alternate MAC address
3981  */
3982 static int
3983 nxge_altmac_set(p_nxge_t nxgep, uint8_t *maddr, mac_addr_slot_t slot)
3984 {
3985 	uint8_t addrn;
3986 	uint8_t portn;
3987 	npi_mac_addr_t altmac;
3988 	hostinfo_t mac_rdc;
3989 	p_nxge_class_pt_cfg_t clscfgp;
3990 
3991 	altmac.w2 = ((uint16_t)maddr[0] << 8) | ((uint16_t)maddr[1] & 0x0ff);
3992 	altmac.w1 = ((uint16_t)maddr[2] << 8) | ((uint16_t)maddr[3] & 0x0ff);
3993 	altmac.w0 = ((uint16_t)maddr[4] << 8) | ((uint16_t)maddr[5] & 0x0ff);
3994 
3995 	portn = nxgep->mac.portnum;
3996 	addrn = (uint8_t)slot - 1;
3997 
3998 	if (npi_mac_altaddr_entry(nxgep->npi_handle, OP_SET, portn,
3999 	    addrn, &altmac) != NPI_SUCCESS)
4000 		return (EIO);
4001 
4002 	/*
4003 	 * Set the rdc table number for the host info entry
4004 	 * for this mac address slot.
4005 	 */
4006 	clscfgp = (p_nxge_class_pt_cfg_t)&nxgep->class_config;
4007 	mac_rdc.value = 0;
4008 	mac_rdc.bits.w0.rdc_tbl_num = clscfgp->mac_host_info[addrn].rdctbl;
4009 	mac_rdc.bits.w0.mac_pref = clscfgp->mac_host_info[addrn].mpr_npr;
4010 
4011 	if (npi_mac_hostinfo_entry(nxgep->npi_handle, OP_SET,
4012 	    nxgep->function_num, addrn, &mac_rdc) != NPI_SUCCESS) {
4013 		return (EIO);
4014 	}
4015 
4016 	/*
4017 	 * Enable comparison with the alternate MAC address.
4018 	 * While the first alternate addr is enabled by bit 1 of register
4019 	 * BMAC_ALTAD_CMPEN, it is enabled by bit 0 of register
4020 	 * XMAC_ADDR_CMPEN, so slot needs to be converted to addrn
4021 	 * accordingly before calling npi_mac_altaddr_entry.
4022 	 */
4023 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
4024 		addrn = (uint8_t)slot - 1;
4025 	else
4026 		addrn = (uint8_t)slot;
4027 
4028 	if (npi_mac_altaddr_enable(nxgep->npi_handle, portn, addrn)
4029 	    != NPI_SUCCESS)
4030 		return (EIO);
4031 
4032 	return (0);
4033 }
4034 
4035 /*
4036  * nxeg_m_mmac_add() - find an unused address slot, set the address
4037  * value to the one specified, enable the port to start filtering on
4038  * the new MAC address.  Returns 0 on success.
4039  */
4040 int
4041 nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr)
4042 {
4043 	p_nxge_t nxgep = arg;
4044 	mac_addr_slot_t slot;
4045 	nxge_mmac_t *mmac_info;
4046 	int err;
4047 	nxge_status_t status;
4048 
4049 	mutex_enter(nxgep->genlock);
4050 
4051 	/*
4052 	 * Make sure that nxge is initialized, if _start() has
4053 	 * not been called.
4054 	 */
4055 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4056 		status = nxge_init(nxgep);
4057 		if (status != NXGE_OK) {
4058 			mutex_exit(nxgep->genlock);
4059 			return (ENXIO);
4060 		}
4061 	}
4062 
4063 	mmac_info = &nxgep->nxge_mmac_info;
4064 	if (mmac_info->naddrfree == 0) {
4065 		mutex_exit(nxgep->genlock);
4066 		return (ENOSPC);
4067 	}
4068 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4069 	    maddr->mma_addrlen)) {
4070 		mutex_exit(nxgep->genlock);
4071 		return (EINVAL);
4072 	}
4073 	/*
4074 	 * 	Search for the first available slot. Because naddrfree
4075 	 * is not zero, we are guaranteed to find one.
4076 	 * 	Slot 0 is for unique (primary) MAC. The first alternate
4077 	 * MAC slot is slot 1.
4078 	 *	Each of the first two ports of Neptune has 16 alternate
4079 	 * MAC slots but only the first 7 (of 15) slots have assigned factory
4080 	 * MAC addresses. We first search among the slots without bundled
4081 	 * factory MACs. If we fail to find one in that range, then we
4082 	 * search the slots with bundled factory MACs.  A factory MAC
4083 	 * will be wasted while the slot is used with a user MAC address.
4084 	 * But the slot could be used by factory MAC again after calling
4085 	 * nxge_m_mmac_remove and nxge_m_mmac_reserve.
4086 	 */
4087 	if (mmac_info->num_factory_mmac < mmac_info->num_mmac) {
4088 		for (slot = mmac_info->num_factory_mmac + 1;
4089 		    slot <= mmac_info->num_mmac; slot++) {
4090 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4091 				break;
4092 		}
4093 		if (slot > mmac_info->num_mmac) {
4094 			for (slot = 1; slot <= mmac_info->num_factory_mmac;
4095 			    slot++) {
4096 				if (!(mmac_info->mac_pool[slot].flags
4097 				    & MMAC_SLOT_USED))
4098 					break;
4099 			}
4100 		}
4101 	} else {
4102 		for (slot = 1; slot <= mmac_info->num_mmac; slot++) {
4103 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4104 				break;
4105 		}
4106 	}
4107 	ASSERT(slot <= mmac_info->num_mmac);
4108 	if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot)) != 0) {
4109 		mutex_exit(nxgep->genlock);
4110 		return (err);
4111 	}
4112 	bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr, ETHERADDRL);
4113 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED;
4114 	mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4115 	mmac_info->naddrfree--;
4116 	nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4117 
4118 	maddr->mma_slot = slot;
4119 
4120 	mutex_exit(nxgep->genlock);
4121 	return (0);
4122 }
4123 
4124 /*
4125  * This function reserves an unused slot and programs the slot and the HW
4126  * with a factory mac address.
4127  */
4128 static int
4129 nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr)
4130 {
4131 	p_nxge_t nxgep = arg;
4132 	mac_addr_slot_t slot;
4133 	nxge_mmac_t *mmac_info;
4134 	int err;
4135 	nxge_status_t status;
4136 
4137 	mutex_enter(nxgep->genlock);
4138 
4139 	/*
4140 	 * Make sure that nxge is initialized, if _start() has
4141 	 * not been called.
4142 	 */
4143 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4144 		status = nxge_init(nxgep);
4145 		if (status != NXGE_OK) {
4146 			mutex_exit(nxgep->genlock);
4147 			return (ENXIO);
4148 		}
4149 	}
4150 
4151 	mmac_info = &nxgep->nxge_mmac_info;
4152 	if (mmac_info->naddrfree == 0) {
4153 		mutex_exit(nxgep->genlock);
4154 		return (ENOSPC);
4155 	}
4156 
4157 	slot = maddr->mma_slot;
4158 	if (slot == -1) {  /* -1: Take the first available slot */
4159 		for (slot = 1; slot <= mmac_info->num_factory_mmac; slot++) {
4160 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4161 				break;
4162 		}
4163 		if (slot > mmac_info->num_factory_mmac) {
4164 			mutex_exit(nxgep->genlock);
4165 			return (ENOSPC);
4166 		}
4167 	}
4168 	if (slot < 1 || slot > mmac_info->num_factory_mmac) {
4169 		/*
4170 		 * Do not support factory MAC at a slot greater than
4171 		 * num_factory_mmac even when there are available factory
4172 		 * MAC addresses because the alternate MACs are bundled with
4173 		 * slot[1] through slot[num_factory_mmac]
4174 		 */
4175 		mutex_exit(nxgep->genlock);
4176 		return (EINVAL);
4177 	}
4178 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4179 		mutex_exit(nxgep->genlock);
4180 		return (EBUSY);
4181 	}
4182 	/* Verify the address to be reserved */
4183 	if (!mac_unicst_verify(nxgep->mach,
4184 	    mmac_info->factory_mac_pool[slot], ETHERADDRL)) {
4185 		mutex_exit(nxgep->genlock);
4186 		return (EINVAL);
4187 	}
4188 	if (err = nxge_altmac_set(nxgep,
4189 	    mmac_info->factory_mac_pool[slot], slot)) {
4190 		mutex_exit(nxgep->genlock);
4191 		return (err);
4192 	}
4193 	bcopy(mmac_info->factory_mac_pool[slot], maddr->mma_addr, ETHERADDRL);
4194 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4195 	mmac_info->naddrfree--;
4196 
4197 	nxge_mmac_kstat_update(nxgep, slot, B_TRUE);
4198 	mutex_exit(nxgep->genlock);
4199 
4200 	/* Pass info back to the caller */
4201 	maddr->mma_slot = slot;
4202 	maddr->mma_addrlen = ETHERADDRL;
4203 	maddr->mma_flags = MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4204 
4205 	return (0);
4206 }
4207 
4208 /*
4209  * Remove the specified mac address and update the HW not to filter
4210  * the mac address anymore.
4211  */
4212 int
4213 nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot)
4214 {
4215 	p_nxge_t nxgep = arg;
4216 	nxge_mmac_t *mmac_info;
4217 	uint8_t addrn;
4218 	uint8_t portn;
4219 	int err = 0;
4220 	nxge_status_t status;
4221 
4222 	mutex_enter(nxgep->genlock);
4223 
4224 	/*
4225 	 * Make sure that nxge is initialized, if _start() has
4226 	 * not been called.
4227 	 */
4228 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4229 		status = nxge_init(nxgep);
4230 		if (status != NXGE_OK) {
4231 			mutex_exit(nxgep->genlock);
4232 			return (ENXIO);
4233 		}
4234 	}
4235 
4236 	mmac_info = &nxgep->nxge_mmac_info;
4237 	if (slot < 1 || slot > mmac_info->num_mmac) {
4238 		mutex_exit(nxgep->genlock);
4239 		return (EINVAL);
4240 	}
4241 
4242 	portn = nxgep->mac.portnum;
4243 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
4244 		addrn = (uint8_t)slot - 1;
4245 	else
4246 		addrn = (uint8_t)slot;
4247 
4248 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4249 		if (npi_mac_altaddr_disable(nxgep->npi_handle, portn, addrn)
4250 		    == NPI_SUCCESS) {
4251 			mmac_info->naddrfree++;
4252 			mmac_info->mac_pool[slot].flags &= ~MMAC_SLOT_USED;
4253 			/*
4254 			 * Regardless if the MAC we just stopped filtering
4255 			 * is a user addr or a facory addr, we must set
4256 			 * the MMAC_VENDOR_ADDR flag if this slot has an
4257 			 * associated factory MAC to indicate that a factory
4258 			 * MAC is available.
4259 			 */
4260 			if (slot <= mmac_info->num_factory_mmac) {
4261 				mmac_info->mac_pool[slot].flags
4262 				    |= MMAC_VENDOR_ADDR;
4263 			}
4264 			/*
4265 			 * Clear mac_pool[slot].addr so that kstat shows 0
4266 			 * alternate MAC address if the slot is not used.
4267 			 * (But nxge_m_mmac_get returns the factory MAC even
4268 			 * when the slot is not used!)
4269 			 */
4270 			bzero(mmac_info->mac_pool[slot].addr, ETHERADDRL);
4271 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4272 		} else {
4273 			err = EIO;
4274 		}
4275 	} else {
4276 		err = EINVAL;
4277 	}
4278 
4279 	mutex_exit(nxgep->genlock);
4280 	return (err);
4281 }
4282 
4283 /*
4284  * Modify a mac address added by nxge_m_mmac_add or nxge_m_mmac_reserve().
4285  */
4286 static int
4287 nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr)
4288 {
4289 	p_nxge_t nxgep = arg;
4290 	mac_addr_slot_t slot;
4291 	nxge_mmac_t *mmac_info;
4292 	int err = 0;
4293 	nxge_status_t status;
4294 
4295 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4296 	    maddr->mma_addrlen))
4297 		return (EINVAL);
4298 
4299 	slot = maddr->mma_slot;
4300 
4301 	mutex_enter(nxgep->genlock);
4302 
4303 	/*
4304 	 * Make sure that nxge is initialized, if _start() has
4305 	 * not been called.
4306 	 */
4307 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4308 		status = nxge_init(nxgep);
4309 		if (status != NXGE_OK) {
4310 			mutex_exit(nxgep->genlock);
4311 			return (ENXIO);
4312 		}
4313 	}
4314 
4315 	mmac_info = &nxgep->nxge_mmac_info;
4316 	if (slot < 1 || slot > mmac_info->num_mmac) {
4317 		mutex_exit(nxgep->genlock);
4318 		return (EINVAL);
4319 	}
4320 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4321 		if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot))
4322 		    != 0) {
4323 			bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr,
4324 			    ETHERADDRL);
4325 			/*
4326 			 * Assume that the MAC passed down from the caller
4327 			 * is not a factory MAC address (The user should
4328 			 * call mmac_remove followed by mmac_reserve if
4329 			 * he wants to use the factory MAC for this slot).
4330 			 */
4331 			mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4332 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4333 		}
4334 	} else {
4335 		err = EINVAL;
4336 	}
4337 	mutex_exit(nxgep->genlock);
4338 	return (err);
4339 }
4340 
4341 /*
4342  * nxge_m_mmac_get() - Get the MAC address and other information
4343  * related to the slot.  mma_flags should be set to 0 in the call.
4344  * Note: although kstat shows MAC address as zero when a slot is
4345  * not used, Crossbow expects nxge_m_mmac_get to copy factory MAC
4346  * to the caller as long as the slot is not using a user MAC address.
4347  * The following table shows the rules,
4348  *
4349  *				   USED    VENDOR    mma_addr
4350  * ------------------------------------------------------------
4351  * (1) Slot uses a user MAC:        yes      no     user MAC
4352  * (2) Slot uses a factory MAC:     yes      yes    factory MAC
4353  * (3) Slot is not used but is
4354  *     factory MAC capable:         no       yes    factory MAC
4355  * (4) Slot is not used and is
4356  *     not factory MAC capable:     no       no        0
4357  * ------------------------------------------------------------
4358  */
4359 static int
4360 nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr)
4361 {
4362 	nxge_t *nxgep = arg;
4363 	mac_addr_slot_t slot;
4364 	nxge_mmac_t *mmac_info;
4365 	nxge_status_t status;
4366 
4367 	slot = maddr->mma_slot;
4368 
4369 	mutex_enter(nxgep->genlock);
4370 
4371 	/*
4372 	 * Make sure that nxge is initialized, if _start() has
4373 	 * not been called.
4374 	 */
4375 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4376 		status = nxge_init(nxgep);
4377 		if (status != NXGE_OK) {
4378 			mutex_exit(nxgep->genlock);
4379 			return (ENXIO);
4380 		}
4381 	}
4382 
4383 	mmac_info = &nxgep->nxge_mmac_info;
4384 
4385 	if (slot < 1 || slot > mmac_info->num_mmac) {
4386 		mutex_exit(nxgep->genlock);
4387 		return (EINVAL);
4388 	}
4389 	maddr->mma_flags = 0;
4390 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED)
4391 		maddr->mma_flags |= MMAC_SLOT_USED;
4392 
4393 	if (mmac_info->mac_pool[slot].flags & MMAC_VENDOR_ADDR) {
4394 		maddr->mma_flags |= MMAC_VENDOR_ADDR;
4395 		bcopy(mmac_info->factory_mac_pool[slot],
4396 		    maddr->mma_addr, ETHERADDRL);
4397 		maddr->mma_addrlen = ETHERADDRL;
4398 	} else {
4399 		if (maddr->mma_flags & MMAC_SLOT_USED) {
4400 			bcopy(mmac_info->mac_pool[slot].addr,
4401 			    maddr->mma_addr, ETHERADDRL);
4402 			maddr->mma_addrlen = ETHERADDRL;
4403 		} else {
4404 			bzero(maddr->mma_addr, ETHERADDRL);
4405 			maddr->mma_addrlen = 0;
4406 		}
4407 	}
4408 	mutex_exit(nxgep->genlock);
4409 	return (0);
4410 }
4411 
4412 static boolean_t
4413 nxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
4414 {
4415 	nxge_t *nxgep = arg;
4416 	uint32_t *txflags = cap_data;
4417 	multiaddress_capab_t *mmacp = cap_data;
4418 
4419 	switch (cap) {
4420 	case MAC_CAPAB_HCKSUM:
4421 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4422 		    "==> nxge_m_getcapab: checksum %d", nxge_cksum_offload));
4423 		if (nxge_cksum_offload <= 1) {
4424 			*txflags = HCKSUM_INET_PARTIAL;
4425 		}
4426 		break;
4427 
4428 	case MAC_CAPAB_POLL:
4429 		/*
4430 		 * There's nothing for us to fill in, simply returning
4431 		 * B_TRUE stating that we support polling is sufficient.
4432 		 */
4433 		break;
4434 
4435 	case MAC_CAPAB_MULTIADDRESS:
4436 		mmacp = (multiaddress_capab_t *)cap_data;
4437 		mutex_enter(nxgep->genlock);
4438 
4439 		mmacp->maddr_naddr = nxgep->nxge_mmac_info.num_mmac;
4440 		mmacp->maddr_naddrfree = nxgep->nxge_mmac_info.naddrfree;
4441 		mmacp->maddr_flag = 0; /* 0 is required by PSARC2006/265 */
4442 		/*
4443 		 * maddr_handle is driver's private data, passed back to
4444 		 * entry point functions as arg.
4445 		 */
4446 		mmacp->maddr_handle	= nxgep;
4447 		mmacp->maddr_add	= nxge_m_mmac_add;
4448 		mmacp->maddr_remove	= nxge_m_mmac_remove;
4449 		mmacp->maddr_modify	= nxge_m_mmac_modify;
4450 		mmacp->maddr_get	= nxge_m_mmac_get;
4451 		mmacp->maddr_reserve	= nxge_m_mmac_reserve;
4452 
4453 		mutex_exit(nxgep->genlock);
4454 		break;
4455 
4456 	case MAC_CAPAB_LSO: {
4457 		mac_capab_lso_t *cap_lso = cap_data;
4458 
4459 		if (nxgep->soft_lso_enable) {
4460 			if (nxge_cksum_offload <= 1) {
4461 				cap_lso->lso_flags = LSO_TX_BASIC_TCP_IPV4;
4462 				if (nxge_lso_max > NXGE_LSO_MAXLEN) {
4463 					nxge_lso_max = NXGE_LSO_MAXLEN;
4464 				}
4465 				cap_lso->lso_basic_tcp_ipv4.lso_max =
4466 				    nxge_lso_max;
4467 			}
4468 			break;
4469 		} else {
4470 			return (B_FALSE);
4471 		}
4472 	}
4473 
4474 #if defined(sun4v)
4475 	case MAC_CAPAB_RINGS: {
4476 		mac_capab_rings_t *mrings = (mac_capab_rings_t *)cap_data;
4477 
4478 		/*
4479 		 * Only the service domain driver responds to
4480 		 * this capability request.
4481 		 */
4482 		if (isLDOMservice(nxgep)) {
4483 			mrings->mr_handle = (void *)nxgep;
4484 
4485 			/*
4486 			 * No dynamic allocation of groups and
4487 			 * rings at this time.  Shares dictate the
4488 			 * configuration.
4489 			 */
4490 			mrings->mr_gadd_ring = NULL;
4491 			mrings->mr_grem_ring = NULL;
4492 			mrings->mr_rget = NULL;
4493 			mrings->mr_gget = nxge_hio_group_get;
4494 
4495 			if (mrings->mr_type == MAC_RING_TYPE_RX) {
4496 				mrings->mr_rnum = 8; /* XXX */
4497 				mrings->mr_gnum = 6; /* XXX */
4498 			} else {
4499 				mrings->mr_rnum = 8; /* XXX */
4500 				mrings->mr_gnum = 0; /* XXX */
4501 			}
4502 		} else
4503 			return (B_FALSE);
4504 		break;
4505 	}
4506 
4507 	case MAC_CAPAB_SHARES: {
4508 		mac_capab_share_t *mshares = (mac_capab_share_t *)cap_data;
4509 
4510 		/*
4511 		 * Only the service domain driver responds to
4512 		 * this capability request.
4513 		 */
4514 		if (isLDOMservice(nxgep)) {
4515 			mshares->ms_snum = 3;
4516 			mshares->ms_handle = (void *)nxgep;
4517 			mshares->ms_salloc = nxge_hio_share_alloc;
4518 			mshares->ms_sfree = nxge_hio_share_free;
4519 			mshares->ms_sadd = NULL;
4520 			mshares->ms_sremove = NULL;
4521 			mshares->ms_squery = nxge_hio_share_query;
4522 		} else
4523 			return (B_FALSE);
4524 		break;
4525 	}
4526 #endif
4527 	default:
4528 		return (B_FALSE);
4529 	}
4530 	return (B_TRUE);
4531 }
4532 
4533 static boolean_t
4534 nxge_param_locked(mac_prop_id_t pr_num)
4535 {
4536 	/*
4537 	 * All adv_* parameters are locked (read-only) while
4538 	 * the device is in any sort of loopback mode ...
4539 	 */
4540 	switch (pr_num) {
4541 		case MAC_PROP_ADV_1000FDX_CAP:
4542 		case MAC_PROP_EN_1000FDX_CAP:
4543 		case MAC_PROP_ADV_1000HDX_CAP:
4544 		case MAC_PROP_EN_1000HDX_CAP:
4545 		case MAC_PROP_ADV_100FDX_CAP:
4546 		case MAC_PROP_EN_100FDX_CAP:
4547 		case MAC_PROP_ADV_100HDX_CAP:
4548 		case MAC_PROP_EN_100HDX_CAP:
4549 		case MAC_PROP_ADV_10FDX_CAP:
4550 		case MAC_PROP_EN_10FDX_CAP:
4551 		case MAC_PROP_ADV_10HDX_CAP:
4552 		case MAC_PROP_EN_10HDX_CAP:
4553 		case MAC_PROP_AUTONEG:
4554 		case MAC_PROP_FLOWCTRL:
4555 			return (B_TRUE);
4556 	}
4557 	return (B_FALSE);
4558 }
4559 
4560 /*
4561  * callback functions for set/get of properties
4562  */
4563 static int
4564 nxge_m_setprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4565     uint_t pr_valsize, const void *pr_val)
4566 {
4567 	nxge_t		*nxgep = barg;
4568 	p_nxge_param_t	param_arr;
4569 	p_nxge_stats_t	statsp;
4570 	int		err = 0;
4571 	uint8_t		val;
4572 	uint32_t	cur_mtu, new_mtu, old_framesize;
4573 	link_flowctrl_t	fl;
4574 
4575 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_setprop"));
4576 	param_arr = nxgep->param_arr;
4577 	statsp = nxgep->statsp;
4578 	mutex_enter(nxgep->genlock);
4579 	if (statsp->port_stats.lb_mode != nxge_lb_normal &&
4580 	    nxge_param_locked(pr_num)) {
4581 		/*
4582 		 * All adv_* parameters are locked (read-only)
4583 		 * while the device is in any sort of loopback mode.
4584 		 */
4585 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4586 		    "==> nxge_m_setprop: loopback mode: read only"));
4587 		mutex_exit(nxgep->genlock);
4588 		return (EBUSY);
4589 	}
4590 
4591 	val = *(uint8_t *)pr_val;
4592 	switch (pr_num) {
4593 		case MAC_PROP_EN_1000FDX_CAP:
4594 			nxgep->param_en_1000fdx = val;
4595 			param_arr[param_anar_1000fdx].value = val;
4596 
4597 			goto reprogram;
4598 
4599 		case MAC_PROP_EN_100FDX_CAP:
4600 			nxgep->param_en_100fdx = val;
4601 			param_arr[param_anar_100fdx].value = val;
4602 
4603 			goto reprogram;
4604 
4605 		case MAC_PROP_EN_10FDX_CAP:
4606 			nxgep->param_en_10fdx = val;
4607 			param_arr[param_anar_10fdx].value = val;
4608 
4609 			goto reprogram;
4610 
4611 		case MAC_PROP_EN_1000HDX_CAP:
4612 		case MAC_PROP_EN_100HDX_CAP:
4613 		case MAC_PROP_EN_10HDX_CAP:
4614 		case MAC_PROP_ADV_1000FDX_CAP:
4615 		case MAC_PROP_ADV_1000HDX_CAP:
4616 		case MAC_PROP_ADV_100FDX_CAP:
4617 		case MAC_PROP_ADV_100HDX_CAP:
4618 		case MAC_PROP_ADV_10FDX_CAP:
4619 		case MAC_PROP_ADV_10HDX_CAP:
4620 		case MAC_PROP_STATUS:
4621 		case MAC_PROP_SPEED:
4622 		case MAC_PROP_DUPLEX:
4623 			err = EINVAL; /* cannot set read-only properties */
4624 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4625 			    "==> nxge_m_setprop:  read only property %d",
4626 			    pr_num));
4627 			break;
4628 
4629 		case MAC_PROP_AUTONEG:
4630 			param_arr[param_autoneg].value = val;
4631 
4632 			goto reprogram;
4633 
4634 		case MAC_PROP_MTU:
4635 			if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
4636 				err = EBUSY;
4637 				break;
4638 			}
4639 
4640 			cur_mtu = nxgep->mac.default_mtu;
4641 			bcopy(pr_val, &new_mtu, sizeof (new_mtu));
4642 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4643 			    "==> nxge_m_setprop: set MTU: %d is_jumbo %d",
4644 			    new_mtu, nxgep->mac.is_jumbo));
4645 
4646 			if (new_mtu == cur_mtu) {
4647 				err = 0;
4648 				break;
4649 			}
4650 			if (new_mtu < NXGE_DEFAULT_MTU ||
4651 			    new_mtu > NXGE_MAXIMUM_MTU) {
4652 				err = EINVAL;
4653 				break;
4654 			}
4655 
4656 			if ((new_mtu > NXGE_DEFAULT_MTU) &&
4657 			    !nxgep->mac.is_jumbo) {
4658 				err = EINVAL;
4659 				break;
4660 			}
4661 
4662 			old_framesize = (uint32_t)nxgep->mac.maxframesize;
4663 			nxgep->mac.maxframesize = (uint16_t)
4664 			    (new_mtu + NXGE_EHEADER_VLAN_CRC);
4665 			if (nxge_mac_set_framesize(nxgep)) {
4666 				nxgep->mac.maxframesize =
4667 				    (uint16_t)old_framesize;
4668 				err = EINVAL;
4669 				break;
4670 			}
4671 
4672 			err = mac_maxsdu_update(nxgep->mach, new_mtu);
4673 			if (err) {
4674 				nxgep->mac.maxframesize =
4675 				    (uint16_t)old_framesize;
4676 				err = EINVAL;
4677 				break;
4678 			}
4679 
4680 			nxgep->mac.default_mtu = new_mtu;
4681 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4682 			    "==> nxge_m_setprop: set MTU: %d maxframe %d",
4683 			    new_mtu, nxgep->mac.maxframesize));
4684 			break;
4685 
4686 		case MAC_PROP_FLOWCTRL:
4687 			bcopy(pr_val, &fl, sizeof (fl));
4688 			switch (fl) {
4689 			default:
4690 				err = EINVAL;
4691 				break;
4692 
4693 			case LINK_FLOWCTRL_NONE:
4694 				param_arr[param_anar_pause].value = 0;
4695 				break;
4696 
4697 			case LINK_FLOWCTRL_RX:
4698 				param_arr[param_anar_pause].value = 1;
4699 				break;
4700 
4701 			case LINK_FLOWCTRL_TX:
4702 			case LINK_FLOWCTRL_BI:
4703 				err = EINVAL;
4704 				break;
4705 			}
4706 
4707 reprogram:
4708 			if (err == 0) {
4709 				if (!nxge_param_link_update(nxgep)) {
4710 					err = EINVAL;
4711 				}
4712 			}
4713 			break;
4714 		case MAC_PROP_PRIVATE:
4715 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4716 			    "==> nxge_m_setprop: private property"));
4717 			err = nxge_set_priv_prop(nxgep, pr_name, pr_valsize,
4718 			    pr_val);
4719 			break;
4720 
4721 		default:
4722 			err = ENOTSUP;
4723 			break;
4724 	}
4725 
4726 	mutex_exit(nxgep->genlock);
4727 
4728 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4729 	    "<== nxge_m_setprop (return %d)", err));
4730 	return (err);
4731 }
4732 
4733 static int
4734 nxge_m_getprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4735     uint_t pr_flags, uint_t pr_valsize, void *pr_val)
4736 {
4737 	nxge_t 		*nxgep = barg;
4738 	p_nxge_param_t	param_arr = nxgep->param_arr;
4739 	p_nxge_stats_t	statsp = nxgep->statsp;
4740 	int		err = 0;
4741 	link_flowctrl_t	fl;
4742 	uint64_t	tmp = 0;
4743 	link_state_t	ls;
4744 	boolean_t	is_default = (pr_flags & MAC_PROP_DEFAULT);
4745 
4746 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4747 	    "==> nxge_m_getprop: pr_num %d", pr_num));
4748 
4749 	if (pr_valsize == 0)
4750 		return (EINVAL);
4751 
4752 	if ((is_default) && (pr_num != MAC_PROP_PRIVATE)) {
4753 		err = nxge_get_def_val(nxgep, pr_num, pr_valsize, pr_val);
4754 		return (err);
4755 	}
4756 
4757 	bzero(pr_val, pr_valsize);
4758 	switch (pr_num) {
4759 		case MAC_PROP_DUPLEX:
4760 			*(uint8_t *)pr_val = statsp->mac_stats.link_duplex;
4761 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4762 			    "==> nxge_m_getprop: duplex mode %d",
4763 			    *(uint8_t *)pr_val));
4764 			break;
4765 
4766 		case MAC_PROP_SPEED:
4767 			if (pr_valsize < sizeof (uint64_t))
4768 				return (EINVAL);
4769 			tmp = statsp->mac_stats.link_speed * 1000000ull;
4770 			bcopy(&tmp, pr_val, sizeof (tmp));
4771 			break;
4772 
4773 		case MAC_PROP_STATUS:
4774 			if (pr_valsize < sizeof (link_state_t))
4775 				return (EINVAL);
4776 			if (!statsp->mac_stats.link_up)
4777 				ls = LINK_STATE_DOWN;
4778 			else
4779 				ls = LINK_STATE_UP;
4780 			bcopy(&ls, pr_val, sizeof (ls));
4781 			break;
4782 
4783 		case MAC_PROP_AUTONEG:
4784 			*(uint8_t *)pr_val =
4785 			    param_arr[param_autoneg].value;
4786 			break;
4787 
4788 		case MAC_PROP_FLOWCTRL:
4789 			if (pr_valsize < sizeof (link_flowctrl_t))
4790 				return (EINVAL);
4791 
4792 			fl = LINK_FLOWCTRL_NONE;
4793 			if (param_arr[param_anar_pause].value) {
4794 				fl = LINK_FLOWCTRL_RX;
4795 			}
4796 			bcopy(&fl, pr_val, sizeof (fl));
4797 			break;
4798 
4799 		case MAC_PROP_ADV_1000FDX_CAP:
4800 			*(uint8_t *)pr_val =
4801 			    param_arr[param_anar_1000fdx].value;
4802 			break;
4803 
4804 		case MAC_PROP_EN_1000FDX_CAP:
4805 			*(uint8_t *)pr_val = nxgep->param_en_1000fdx;
4806 			break;
4807 
4808 		case MAC_PROP_ADV_100FDX_CAP:
4809 			*(uint8_t *)pr_val =
4810 			    param_arr[param_anar_100fdx].value;
4811 			break;
4812 
4813 		case MAC_PROP_EN_100FDX_CAP:
4814 			*(uint8_t *)pr_val = nxgep->param_en_100fdx;
4815 			break;
4816 
4817 		case MAC_PROP_ADV_10FDX_CAP:
4818 			*(uint8_t *)pr_val =
4819 			    param_arr[param_anar_10fdx].value;
4820 			break;
4821 
4822 		case MAC_PROP_EN_10FDX_CAP:
4823 			*(uint8_t *)pr_val = nxgep->param_en_10fdx;
4824 			break;
4825 
4826 		case MAC_PROP_EN_1000HDX_CAP:
4827 		case MAC_PROP_EN_100HDX_CAP:
4828 		case MAC_PROP_EN_10HDX_CAP:
4829 		case MAC_PROP_ADV_1000HDX_CAP:
4830 		case MAC_PROP_ADV_100HDX_CAP:
4831 		case MAC_PROP_ADV_10HDX_CAP:
4832 			err = ENOTSUP;
4833 			break;
4834 
4835 		case MAC_PROP_PRIVATE:
4836 			err = nxge_get_priv_prop(nxgep, pr_name, pr_flags,
4837 			    pr_valsize, pr_val);
4838 			break;
4839 		default:
4840 			err = EINVAL;
4841 			break;
4842 	}
4843 
4844 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_getprop"));
4845 
4846 	return (err);
4847 }
4848 
4849 /* ARGSUSED */
4850 static int
4851 nxge_set_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_valsize,
4852     const void *pr_val)
4853 {
4854 	p_nxge_param_t	param_arr = nxgep->param_arr;
4855 	int		err = 0;
4856 	long		result;
4857 
4858 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4859 	    "==> nxge_set_priv_prop: name %s", pr_name));
4860 
4861 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
4862 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4863 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4864 		    "<== nxge_set_priv_prop: name %s "
4865 		    "pr_val %s result %d "
4866 		    "param %d is_jumbo %d",
4867 		    pr_name, pr_val, result,
4868 		    param_arr[param_accept_jumbo].value,
4869 		    nxgep->mac.is_jumbo));
4870 
4871 		if (result > 1 || result < 0) {
4872 			err = EINVAL;
4873 		} else {
4874 			if (nxgep->mac.is_jumbo ==
4875 			    (uint32_t)result) {
4876 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4877 				    "no change (%d %d)",
4878 				    nxgep->mac.is_jumbo,
4879 				    result));
4880 				return (0);
4881 			}
4882 		}
4883 
4884 		param_arr[param_accept_jumbo].value = result;
4885 		nxgep->mac.is_jumbo = B_FALSE;
4886 		if (result) {
4887 			nxgep->mac.is_jumbo = B_TRUE;
4888 		}
4889 
4890 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4891 		    "<== nxge_set_priv_prop: name %s (value %d) is_jumbo %d",
4892 		    pr_name, result, nxgep->mac.is_jumbo));
4893 
4894 		return (err);
4895 	}
4896 
4897 	/* Blanking */
4898 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
4899 		err = nxge_param_rx_intr_time(nxgep, NULL, NULL,
4900 		    (char *)pr_val,
4901 		    (caddr_t)&param_arr[param_rxdma_intr_time]);
4902 		if (err) {
4903 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4904 			    "<== nxge_set_priv_prop: "
4905 			    "unable to set (%s)", pr_name));
4906 			err = EINVAL;
4907 		} else {
4908 			err = 0;
4909 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4910 			    "<== nxge_set_priv_prop: "
4911 			    "set (%s)", pr_name));
4912 		}
4913 
4914 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4915 		    "<== nxge_set_priv_prop: name %s (value %d)",
4916 		    pr_name, result));
4917 
4918 		return (err);
4919 	}
4920 
4921 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
4922 		err = nxge_param_rx_intr_pkts(nxgep, NULL, NULL,
4923 		    (char *)pr_val,
4924 		    (caddr_t)&param_arr[param_rxdma_intr_pkts]);
4925 		if (err) {
4926 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4927 			    "<== nxge_set_priv_prop: "
4928 			    "unable to set (%s)", pr_name));
4929 			err = EINVAL;
4930 		} else {
4931 			err = 0;
4932 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4933 			    "<== nxge_set_priv_prop: "
4934 			    "set (%s)", pr_name));
4935 		}
4936 
4937 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4938 		    "<== nxge_set_priv_prop: name %s (value %d)",
4939 		    pr_name, result));
4940 
4941 		return (err);
4942 	}
4943 
4944 	/* Classification */
4945 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
4946 		if (pr_val == NULL) {
4947 			err = EINVAL;
4948 			return (err);
4949 		}
4950 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4951 
4952 		err = nxge_param_set_ip_opt(nxgep, NULL,
4953 		    NULL, (char *)pr_val,
4954 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
4955 
4956 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4957 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4958 		    pr_name, result));
4959 
4960 		return (err);
4961 	}
4962 
4963 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
4964 		if (pr_val == NULL) {
4965 			err = EINVAL;
4966 			return (err);
4967 		}
4968 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4969 
4970 		err = nxge_param_set_ip_opt(nxgep, NULL,
4971 		    NULL, (char *)pr_val,
4972 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
4973 
4974 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4975 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4976 		    pr_name, result));
4977 
4978 		return (err);
4979 	}
4980 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
4981 		if (pr_val == NULL) {
4982 			err = EINVAL;
4983 			return (err);
4984 		}
4985 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4986 
4987 		err = nxge_param_set_ip_opt(nxgep, NULL,
4988 		    NULL, (char *)pr_val,
4989 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
4990 
4991 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4992 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4993 		    pr_name, result));
4994 
4995 		return (err);
4996 	}
4997 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
4998 		if (pr_val == NULL) {
4999 			err = EINVAL;
5000 			return (err);
5001 		}
5002 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5003 
5004 		err = nxge_param_set_ip_opt(nxgep, NULL,
5005 		    NULL, (char *)pr_val,
5006 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
5007 
5008 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5009 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5010 		    pr_name, result));
5011 
5012 		return (err);
5013 	}
5014 
5015 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
5016 		if (pr_val == NULL) {
5017 			err = EINVAL;
5018 			return (err);
5019 		}
5020 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5021 
5022 		err = nxge_param_set_ip_opt(nxgep, NULL,
5023 		    NULL, (char *)pr_val,
5024 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
5025 
5026 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5027 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5028 		    pr_name, result));
5029 
5030 		return (err);
5031 	}
5032 
5033 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
5034 		if (pr_val == NULL) {
5035 			err = EINVAL;
5036 			return (err);
5037 		}
5038 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5039 
5040 		err = nxge_param_set_ip_opt(nxgep, NULL,
5041 		    NULL, (char *)pr_val,
5042 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5043 
5044 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5045 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5046 		    pr_name, result));
5047 
5048 		return (err);
5049 	}
5050 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5051 		if (pr_val == NULL) {
5052 			err = EINVAL;
5053 			return (err);
5054 		}
5055 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5056 
5057 		err = nxge_param_set_ip_opt(nxgep, NULL,
5058 		    NULL, (char *)pr_val,
5059 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5060 
5061 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5062 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5063 		    pr_name, result));
5064 
5065 		return (err);
5066 	}
5067 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5068 		if (pr_val == NULL) {
5069 			err = EINVAL;
5070 			return (err);
5071 		}
5072 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5073 
5074 		err = nxge_param_set_ip_opt(nxgep, NULL,
5075 		    NULL, (char *)pr_val,
5076 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5077 
5078 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5079 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5080 		    pr_name, result));
5081 
5082 		return (err);
5083 	}
5084 
5085 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5086 		if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
5087 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5088 			    "==> nxge_set_priv_prop: name %s (busy)", pr_name));
5089 			err = EBUSY;
5090 			return (err);
5091 		}
5092 		if (pr_val == NULL) {
5093 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5094 			    "==> nxge_set_priv_prop: name %s (null)", pr_name));
5095 			err = EINVAL;
5096 			return (err);
5097 		}
5098 
5099 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5100 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5101 		    "<== nxge_set_priv_prop: name %s "
5102 		    "(lso %d pr_val %s value %d)",
5103 		    pr_name, nxgep->soft_lso_enable, pr_val, result));
5104 
5105 		if (result > 1 || result < 0) {
5106 			err = EINVAL;
5107 		} else {
5108 			if (nxgep->soft_lso_enable == (uint32_t)result) {
5109 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5110 				    "no change (%d %d)",
5111 				    nxgep->soft_lso_enable, result));
5112 				return (0);
5113 			}
5114 		}
5115 
5116 		nxgep->soft_lso_enable = (int)result;
5117 
5118 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5119 		    "<== nxge_set_priv_prop: name %s (value %d)",
5120 		    pr_name, result));
5121 
5122 		return (err);
5123 	}
5124 	/*
5125 	 * Commands like "ndd -set /dev/nxge0 adv_10gfdx_cap 1" cause the
5126 	 * following code to be executed.
5127 	 */
5128 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5129 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5130 		    (caddr_t)&param_arr[param_anar_10gfdx]);
5131 		return (err);
5132 	}
5133 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5134 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5135 		    (caddr_t)&param_arr[param_anar_pause]);
5136 		return (err);
5137 	}
5138 
5139 	return (EINVAL);
5140 }
5141 
5142 static int
5143 nxge_get_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_flags,
5144     uint_t pr_valsize, void *pr_val)
5145 {
5146 	p_nxge_param_t	param_arr = nxgep->param_arr;
5147 	char		valstr[MAXNAMELEN];
5148 	int		err = EINVAL;
5149 	uint_t		strsize;
5150 	boolean_t	is_default = (pr_flags & MAC_PROP_DEFAULT);
5151 
5152 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5153 	    "==> nxge_get_priv_prop: property %s", pr_name));
5154 
5155 	/* function number */
5156 	if (strcmp(pr_name, "_function_number") == 0) {
5157 		if (is_default)
5158 			return (ENOTSUP);
5159 		(void) snprintf(valstr, sizeof (valstr), "%d",
5160 		    nxgep->function_num);
5161 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5162 		    "==> nxge_get_priv_prop: name %s "
5163 		    "(value %d valstr %s)",
5164 		    pr_name, nxgep->function_num, valstr));
5165 
5166 		err = 0;
5167 		goto done;
5168 	}
5169 
5170 	/* Neptune firmware version */
5171 	if (strcmp(pr_name, "_fw_version") == 0) {
5172 		if (is_default)
5173 			return (ENOTSUP);
5174 		(void) snprintf(valstr, sizeof (valstr), "%s",
5175 		    nxgep->vpd_info.ver);
5176 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5177 		    "==> nxge_get_priv_prop: name %s "
5178 		    "(value %d valstr %s)",
5179 		    pr_name, nxgep->vpd_info.ver, valstr));
5180 
5181 		err = 0;
5182 		goto done;
5183 	}
5184 
5185 	/* port PHY mode */
5186 	if (strcmp(pr_name, "_port_mode") == 0) {
5187 		if (is_default)
5188 			return (ENOTSUP);
5189 		switch (nxgep->mac.portmode) {
5190 		case PORT_1G_COPPER:
5191 			(void) snprintf(valstr, sizeof (valstr), "1G copper %s",
5192 			    nxgep->hot_swappable_phy ?
5193 			    "[Hot Swappable]" : "");
5194 			break;
5195 		case PORT_1G_FIBER:
5196 			(void) snprintf(valstr, sizeof (valstr), "1G fiber %s",
5197 			    nxgep->hot_swappable_phy ?
5198 			    "[hot swappable]" : "");
5199 			break;
5200 		case PORT_10G_COPPER:
5201 			(void) snprintf(valstr, sizeof (valstr),
5202 			    "10G copper %s",
5203 			    nxgep->hot_swappable_phy ?
5204 			    "[hot swappable]" : "");
5205 			break;
5206 		case PORT_10G_FIBER:
5207 			(void) snprintf(valstr, sizeof (valstr), "10G fiber %s",
5208 			    nxgep->hot_swappable_phy ?
5209 			    "[hot swappable]" : "");
5210 			break;
5211 		case PORT_10G_SERDES:
5212 			(void) snprintf(valstr, sizeof (valstr),
5213 			    "10G serdes %s", nxgep->hot_swappable_phy ?
5214 			    "[hot swappable]" : "");
5215 			break;
5216 		case PORT_1G_SERDES:
5217 			(void) snprintf(valstr, sizeof (valstr), "1G serdes %s",
5218 			    nxgep->hot_swappable_phy ?
5219 			    "[hot swappable]" : "");
5220 			break;
5221 		case PORT_1G_TN1010:
5222 			(void) snprintf(valstr, sizeof (valstr),
5223 			    "1G TN1010 copper %s", nxgep->hot_swappable_phy ?
5224 			    "[hot swappable]" : "");
5225 			break;
5226 		case PORT_10G_TN1010:
5227 			(void) snprintf(valstr, sizeof (valstr),
5228 			    "10G TN1010 copper %s", nxgep->hot_swappable_phy ?
5229 			    "[hot swappable]" : "");
5230 			break;
5231 		case PORT_1G_RGMII_FIBER:
5232 			(void) snprintf(valstr, sizeof (valstr),
5233 			    "1G rgmii fiber %s", nxgep->hot_swappable_phy ?
5234 			    "[hot swappable]" : "");
5235 			break;
5236 		case PORT_HSP_MODE:
5237 			(void) snprintf(valstr, sizeof (valstr),
5238 			    "phy not present[hot swappable]");
5239 			break;
5240 		default:
5241 			(void) snprintf(valstr, sizeof (valstr), "unknown %s",
5242 			    nxgep->hot_swappable_phy ?
5243 			    "[hot swappable]" : "");
5244 			break;
5245 		}
5246 
5247 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5248 		    "==> nxge_get_priv_prop: name %s (value %s)",
5249 		    pr_name, valstr));
5250 
5251 		err = 0;
5252 		goto done;
5253 	}
5254 
5255 	/* Hot swappable PHY */
5256 	if (strcmp(pr_name, "_hot_swap_phy") == 0) {
5257 		if (is_default)
5258 			return (ENOTSUP);
5259 		(void) snprintf(valstr, sizeof (valstr), "%s",
5260 		    nxgep->hot_swappable_phy ?
5261 		    "yes" : "no");
5262 
5263 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5264 		    "==> nxge_get_priv_prop: name %s "
5265 		    "(value %d valstr %s)",
5266 		    pr_name, nxgep->hot_swappable_phy, valstr));
5267 
5268 		err = 0;
5269 		goto done;
5270 	}
5271 
5272 
5273 	/* accept jumbo */
5274 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
5275 		if (is_default)
5276 			(void) snprintf(valstr, sizeof (valstr),  "%d", 0);
5277 		else
5278 			(void) snprintf(valstr, sizeof (valstr),
5279 			    "%d", nxgep->mac.is_jumbo);
5280 		err = 0;
5281 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5282 		    "==> nxge_get_priv_prop: name %s (value %d (%d, %d))",
5283 		    pr_name,
5284 		    (uint32_t)param_arr[param_accept_jumbo].value,
5285 		    nxgep->mac.is_jumbo,
5286 		    nxge_jumbo_enable));
5287 
5288 		goto done;
5289 	}
5290 
5291 	/* Receive Interrupt Blanking Parameters */
5292 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
5293 		err = 0;
5294 		if (is_default) {
5295 			(void) snprintf(valstr, sizeof (valstr),
5296 			    "%d", RXDMA_RCR_TO_DEFAULT);
5297 			goto done;
5298 		}
5299 
5300 		(void) snprintf(valstr, sizeof (valstr), "%d",
5301 		    nxgep->intr_timeout);
5302 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5303 		    "==> nxge_get_priv_prop: name %s (value %d)",
5304 		    pr_name,
5305 		    (uint32_t)nxgep->intr_timeout));
5306 		goto done;
5307 	}
5308 
5309 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
5310 		err = 0;
5311 		if (is_default) {
5312 			(void) snprintf(valstr, sizeof (valstr),
5313 			    "%d", RXDMA_RCR_PTHRES_DEFAULT);
5314 			goto done;
5315 		}
5316 		(void) snprintf(valstr, sizeof (valstr), "%d",
5317 		    nxgep->intr_threshold);
5318 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5319 		    "==> nxge_get_priv_prop: name %s (value %d)",
5320 		    pr_name, (uint32_t)nxgep->intr_threshold));
5321 
5322 		goto done;
5323 	}
5324 
5325 	/* Classification and Load Distribution Configuration */
5326 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
5327 		if (is_default) {
5328 			(void) snprintf(valstr, sizeof (valstr), "%x",
5329 			    NXGE_CLASS_FLOW_GEN_SERVER);
5330 			err = 0;
5331 			goto done;
5332 		}
5333 		err = nxge_dld_get_ip_opt(nxgep,
5334 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
5335 
5336 		(void) snprintf(valstr, sizeof (valstr), "%x",
5337 		    (int)param_arr[param_class_opt_ipv4_tcp].value);
5338 
5339 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5340 		    "==> nxge_get_priv_prop: %s", valstr));
5341 		goto done;
5342 	}
5343 
5344 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
5345 		if (is_default) {
5346 			(void) snprintf(valstr, sizeof (valstr), "%x",
5347 			    NXGE_CLASS_FLOW_GEN_SERVER);
5348 			err = 0;
5349 			goto done;
5350 		}
5351 		err = nxge_dld_get_ip_opt(nxgep,
5352 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
5353 
5354 		(void) snprintf(valstr, sizeof (valstr), "%x",
5355 		    (int)param_arr[param_class_opt_ipv4_udp].value);
5356 
5357 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5358 		    "==> nxge_get_priv_prop: %s", valstr));
5359 		goto done;
5360 	}
5361 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
5362 		if (is_default) {
5363 			(void) snprintf(valstr, sizeof (valstr), "%x",
5364 			    NXGE_CLASS_FLOW_GEN_SERVER);
5365 			err = 0;
5366 			goto done;
5367 		}
5368 		err = nxge_dld_get_ip_opt(nxgep,
5369 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
5370 
5371 		(void) snprintf(valstr, sizeof (valstr), "%x",
5372 		    (int)param_arr[param_class_opt_ipv4_ah].value);
5373 
5374 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5375 		    "==> nxge_get_priv_prop: %s", valstr));
5376 		goto done;
5377 	}
5378 
5379 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
5380 		if (is_default) {
5381 			(void) snprintf(valstr, sizeof (valstr), "%x",
5382 			    NXGE_CLASS_FLOW_GEN_SERVER);
5383 			err = 0;
5384 			goto done;
5385 		}
5386 		err = nxge_dld_get_ip_opt(nxgep,
5387 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
5388 
5389 		(void) snprintf(valstr, sizeof (valstr), "%x",
5390 		    (int)param_arr[param_class_opt_ipv4_sctp].value);
5391 
5392 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5393 		    "==> nxge_get_priv_prop: %s", valstr));
5394 		goto done;
5395 	}
5396 
5397 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
5398 		if (is_default) {
5399 			(void) snprintf(valstr, sizeof (valstr), "%x",
5400 			    NXGE_CLASS_FLOW_GEN_SERVER);
5401 			err = 0;
5402 			goto done;
5403 		}
5404 		err = nxge_dld_get_ip_opt(nxgep,
5405 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
5406 
5407 		(void) snprintf(valstr, sizeof (valstr), "%x",
5408 		    (int)param_arr[param_class_opt_ipv6_tcp].value);
5409 
5410 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5411 		    "==> nxge_get_priv_prop: %s", valstr));
5412 		goto done;
5413 	}
5414 
5415 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
5416 		if (is_default) {
5417 			(void) snprintf(valstr, sizeof (valstr), "%x",
5418 			    NXGE_CLASS_FLOW_GEN_SERVER);
5419 			err = 0;
5420 			goto done;
5421 		}
5422 		err = nxge_dld_get_ip_opt(nxgep,
5423 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5424 
5425 		(void) snprintf(valstr, sizeof (valstr), "%x",
5426 		    (int)param_arr[param_class_opt_ipv6_udp].value);
5427 
5428 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5429 		    "==> nxge_get_priv_prop: %s", valstr));
5430 		goto done;
5431 	}
5432 
5433 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5434 		if (is_default) {
5435 			(void) snprintf(valstr, sizeof (valstr), "%x",
5436 			    NXGE_CLASS_FLOW_GEN_SERVER);
5437 			err = 0;
5438 			goto done;
5439 		}
5440 		err = nxge_dld_get_ip_opt(nxgep,
5441 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5442 
5443 		(void) snprintf(valstr, sizeof (valstr), "%x",
5444 		    (int)param_arr[param_class_opt_ipv6_ah].value);
5445 
5446 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5447 		    "==> nxge_get_priv_prop: %s", valstr));
5448 		goto done;
5449 	}
5450 
5451 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5452 		if (is_default) {
5453 			(void) snprintf(valstr, sizeof (valstr), "%x",
5454 			    NXGE_CLASS_FLOW_GEN_SERVER);
5455 			err = 0;
5456 			goto done;
5457 		}
5458 		err = nxge_dld_get_ip_opt(nxgep,
5459 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5460 
5461 		(void) snprintf(valstr, sizeof (valstr), "%x",
5462 		    (int)param_arr[param_class_opt_ipv6_sctp].value);
5463 
5464 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5465 		    "==> nxge_get_priv_prop: %s", valstr));
5466 		goto done;
5467 	}
5468 
5469 	/* Software LSO */
5470 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5471 		if (is_default) {
5472 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5473 			err = 0;
5474 			goto done;
5475 		}
5476 		(void) snprintf(valstr, sizeof (valstr),
5477 		    "%d", nxgep->soft_lso_enable);
5478 		err = 0;
5479 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5480 		    "==> nxge_get_priv_prop: name %s (value %d)",
5481 		    pr_name, nxgep->soft_lso_enable));
5482 
5483 		goto done;
5484 	}
5485 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5486 		err = 0;
5487 		if (is_default ||
5488 		    nxgep->param_arr[param_anar_10gfdx].value != 0) {
5489 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5490 			goto done;
5491 		} else {
5492 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5493 			goto done;
5494 		}
5495 	}
5496 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5497 		err = 0;
5498 		if (is_default ||
5499 		    nxgep->param_arr[param_anar_pause].value != 0) {
5500 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5501 			goto done;
5502 		} else {
5503 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5504 			goto done;
5505 		}
5506 	}
5507 
5508 done:
5509 	if (err == 0) {
5510 		strsize = (uint_t)strlen(valstr);
5511 		if (pr_valsize < strsize) {
5512 			err = ENOBUFS;
5513 		} else {
5514 			(void) strlcpy(pr_val, valstr, pr_valsize);
5515 		}
5516 	}
5517 
5518 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5519 	    "<== nxge_get_priv_prop: return %d", err));
5520 	return (err);
5521 }
5522 
5523 /*
5524  * Module loading and removing entry points.
5525  */
5526 
5527 DDI_DEFINE_STREAM_OPS(nxge_dev_ops, nulldev, nulldev, nxge_attach, nxge_detach,
5528     nodev, NULL, D_MP, NULL);
5529 
5530 #define	NXGE_DESC_VER		"Sun NIU 10Gb Ethernet"
5531 
5532 /*
5533  * Module linkage information for the kernel.
5534  */
5535 static struct modldrv 	nxge_modldrv = {
5536 	&mod_driverops,
5537 	NXGE_DESC_VER,
5538 	&nxge_dev_ops
5539 };
5540 
5541 static struct modlinkage modlinkage = {
5542 	MODREV_1, (void *) &nxge_modldrv, NULL
5543 };
5544 
5545 int
5546 _init(void)
5547 {
5548 	int		status;
5549 
5550 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
5551 	mac_init_ops(&nxge_dev_ops, "nxge");
5552 	status = ddi_soft_state_init(&nxge_list, sizeof (nxge_t), 0);
5553 	if (status != 0) {
5554 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
5555 		    "failed to init device soft state"));
5556 		goto _init_exit;
5557 	}
5558 	status = mod_install(&modlinkage);
5559 	if (status != 0) {
5560 		ddi_soft_state_fini(&nxge_list);
5561 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL, "Mod install failed"));
5562 		goto _init_exit;
5563 	}
5564 
5565 	MUTEX_INIT(&nxge_common_lock, NULL, MUTEX_DRIVER, NULL);
5566 
5567 _init_exit:
5568 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
5569 
5570 	return (status);
5571 }
5572 
5573 int
5574 _fini(void)
5575 {
5576 	int		status;
5577 
5578 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
5579 
5580 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
5581 
5582 	if (nxge_mblks_pending)
5583 		return (EBUSY);
5584 
5585 	status = mod_remove(&modlinkage);
5586 	if (status != DDI_SUCCESS) {
5587 		NXGE_DEBUG_MSG((NULL, MOD_CTL,
5588 		    "Module removal failed 0x%08x",
5589 		    status));
5590 		goto _fini_exit;
5591 	}
5592 
5593 	mac_fini_ops(&nxge_dev_ops);
5594 
5595 	ddi_soft_state_fini(&nxge_list);
5596 
5597 	MUTEX_DESTROY(&nxge_common_lock);
5598 _fini_exit:
5599 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
5600 
5601 	return (status);
5602 }
5603 
5604 int
5605 _info(struct modinfo *modinfop)
5606 {
5607 	int		status;
5608 
5609 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
5610 	status = mod_info(&modlinkage, modinfop);
5611 	NXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
5612 
5613 	return (status);
5614 }
5615 
5616 /*ARGSUSED*/
5617 static nxge_status_t
5618 nxge_add_intrs(p_nxge_t nxgep)
5619 {
5620 
5621 	int		intr_types;
5622 	int		type = 0;
5623 	int		ddi_status = DDI_SUCCESS;
5624 	nxge_status_t	status = NXGE_OK;
5625 
5626 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs"));
5627 
5628 	nxgep->nxge_intr_type.intr_registered = B_FALSE;
5629 	nxgep->nxge_intr_type.intr_enabled = B_FALSE;
5630 	nxgep->nxge_intr_type.msi_intx_cnt = 0;
5631 	nxgep->nxge_intr_type.intr_added = 0;
5632 	nxgep->nxge_intr_type.niu_msi_enable = B_FALSE;
5633 	nxgep->nxge_intr_type.intr_type = 0;
5634 
5635 	if (nxgep->niu_type == N2_NIU) {
5636 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5637 	} else if (nxge_msi_enable) {
5638 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5639 	}
5640 
5641 	/* Get the supported interrupt types */
5642 	if ((ddi_status = ddi_intr_get_supported_types(nxgep->dip, &intr_types))
5643 	    != DDI_SUCCESS) {
5644 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_intrs: "
5645 		    "ddi_intr_get_supported_types failed: status 0x%08x",
5646 		    ddi_status));
5647 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5648 	}
5649 	nxgep->nxge_intr_type.intr_types = intr_types;
5650 
5651 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5652 	    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5653 
5654 	/*
5655 	 * Solaris MSIX is not supported yet. use MSI for now.
5656 	 * nxge_msi_enable (1):
5657 	 *	1 - MSI		2 - MSI-X	others - FIXED
5658 	 */
5659 	switch (nxge_msi_enable) {
5660 	default:
5661 		type = DDI_INTR_TYPE_FIXED;
5662 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5663 		    "use fixed (intx emulation) type %08x",
5664 		    type));
5665 		break;
5666 
5667 	case 2:
5668 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5669 		    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5670 		if (intr_types & DDI_INTR_TYPE_MSIX) {
5671 			type = DDI_INTR_TYPE_MSIX;
5672 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5673 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5674 			    type));
5675 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
5676 			type = DDI_INTR_TYPE_MSI;
5677 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5678 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5679 			    type));
5680 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5681 			type = DDI_INTR_TYPE_FIXED;
5682 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5683 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5684 			    type));
5685 		}
5686 		break;
5687 
5688 	case 1:
5689 		if (intr_types & DDI_INTR_TYPE_MSI) {
5690 			type = DDI_INTR_TYPE_MSI;
5691 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5692 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5693 			    type));
5694 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
5695 			type = DDI_INTR_TYPE_MSIX;
5696 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5697 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5698 			    type));
5699 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5700 			type = DDI_INTR_TYPE_FIXED;
5701 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5702 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5703 			    type));
5704 		}
5705 	}
5706 
5707 	nxgep->nxge_intr_type.intr_type = type;
5708 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
5709 	    type == DDI_INTR_TYPE_FIXED) &&
5710 	    nxgep->nxge_intr_type.niu_msi_enable) {
5711 		if ((status = nxge_add_intrs_adv(nxgep)) != DDI_SUCCESS) {
5712 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5713 			    " nxge_add_intrs: "
5714 			    " nxge_add_intrs_adv failed: status 0x%08x",
5715 			    status));
5716 			return (status);
5717 		} else {
5718 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5719 			    "interrupts registered : type %d", type));
5720 			nxgep->nxge_intr_type.intr_registered = B_TRUE;
5721 
5722 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5723 			    "\nAdded advanced nxge add_intr_adv "
5724 			    "intr type 0x%x\n", type));
5725 
5726 			return (status);
5727 		}
5728 	}
5729 
5730 	if (!nxgep->nxge_intr_type.intr_registered) {
5731 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_add_intrs: "
5732 		    "failed to register interrupts"));
5733 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5734 	}
5735 
5736 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_add_intrs"));
5737 	return (status);
5738 }
5739 
5740 /*ARGSUSED*/
5741 static nxge_status_t
5742 nxge_add_soft_intrs(p_nxge_t nxgep)
5743 {
5744 
5745 	int		ddi_status = DDI_SUCCESS;
5746 	nxge_status_t	status = NXGE_OK;
5747 
5748 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_soft_intrs"));
5749 
5750 	nxgep->resched_id = NULL;
5751 	nxgep->resched_running = B_FALSE;
5752 	ddi_status = ddi_add_softintr(nxgep->dip, DDI_SOFTINT_LOW,
5753 	    &nxgep->resched_id,
5754 	    NULL, NULL, nxge_reschedule, (caddr_t)nxgep);
5755 	if (ddi_status != DDI_SUCCESS) {
5756 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_soft_intrs: "
5757 		    "ddi_add_softintrs failed: status 0x%08x",
5758 		    ddi_status));
5759 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5760 	}
5761 
5762 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_ddi_add_soft_intrs"));
5763 
5764 	return (status);
5765 }
5766 
5767 static nxge_status_t
5768 nxge_add_intrs_adv(p_nxge_t nxgep)
5769 {
5770 	int		intr_type;
5771 	p_nxge_intr_t	intrp;
5772 
5773 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv"));
5774 
5775 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5776 	intr_type = intrp->intr_type;
5777 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv: type 0x%x",
5778 	    intr_type));
5779 
5780 	switch (intr_type) {
5781 	case DDI_INTR_TYPE_MSI: /* 0x2 */
5782 	case DDI_INTR_TYPE_MSIX: /* 0x4 */
5783 		return (nxge_add_intrs_adv_type(nxgep, intr_type));
5784 
5785 	case DDI_INTR_TYPE_FIXED: /* 0x1 */
5786 		return (nxge_add_intrs_adv_type_fix(nxgep, intr_type));
5787 
5788 	default:
5789 		return (NXGE_ERROR);
5790 	}
5791 }
5792 
5793 
5794 /*ARGSUSED*/
5795 static nxge_status_t
5796 nxge_add_intrs_adv_type(p_nxge_t nxgep, uint32_t int_type)
5797 {
5798 	dev_info_t		*dip = nxgep->dip;
5799 	p_nxge_ldg_t		ldgp;
5800 	p_nxge_intr_t		intrp;
5801 	uint_t			*inthandler;
5802 	void			*arg1, *arg2;
5803 	int			behavior;
5804 	int			nintrs, navail, nrequest;
5805 	int			nactual, nrequired;
5806 	int			inum = 0;
5807 	int			x, y;
5808 	int			ddi_status = DDI_SUCCESS;
5809 	nxge_status_t		status = NXGE_OK;
5810 
5811 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type"));
5812 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5813 	intrp->start_inum = 0;
5814 
5815 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
5816 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
5817 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5818 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
5819 		    "nintrs: %d", ddi_status, nintrs));
5820 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5821 	}
5822 
5823 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
5824 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
5825 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5826 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
5827 		    "nintrs: %d", ddi_status, navail));
5828 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5829 	}
5830 
5831 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
5832 	    "ddi_intr_get_navail() returned: nintrs %d, navail %d",
5833 	    nintrs, navail));
5834 
5835 	/* PSARC/2007/453 MSI-X interrupt limit override */
5836 	if (int_type == DDI_INTR_TYPE_MSIX) {
5837 		nrequest = nxge_create_msi_property(nxgep);
5838 		if (nrequest < navail) {
5839 			navail = nrequest;
5840 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5841 			    "nxge_add_intrs_adv_type: nintrs %d "
5842 			    "navail %d (nrequest %d)",
5843 			    nintrs, navail, nrequest));
5844 		}
5845 	}
5846 
5847 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
5848 		/* MSI must be power of 2 */
5849 		if ((navail & 16) == 16) {
5850 			navail = 16;
5851 		} else if ((navail & 8) == 8) {
5852 			navail = 8;
5853 		} else if ((navail & 4) == 4) {
5854 			navail = 4;
5855 		} else if ((navail & 2) == 2) {
5856 			navail = 2;
5857 		} else {
5858 			navail = 1;
5859 		}
5860 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5861 		    "ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
5862 		    "navail %d", nintrs, navail));
5863 	}
5864 
5865 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
5866 	    DDI_INTR_ALLOC_NORMAL);
5867 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
5868 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
5869 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
5870 	    navail, &nactual, behavior);
5871 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
5872 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5873 		    " ddi_intr_alloc() failed: %d",
5874 		    ddi_status));
5875 		kmem_free(intrp->htable, intrp->intr_size);
5876 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5877 	}
5878 
5879 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
5880 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
5881 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5882 		    " ddi_intr_get_pri() failed: %d",
5883 		    ddi_status));
5884 		/* Free already allocated interrupts */
5885 		for (y = 0; y < nactual; y++) {
5886 			(void) ddi_intr_free(intrp->htable[y]);
5887 		}
5888 
5889 		kmem_free(intrp->htable, intrp->intr_size);
5890 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5891 	}
5892 
5893 	nrequired = 0;
5894 	switch (nxgep->niu_type) {
5895 	default:
5896 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
5897 		break;
5898 
5899 	case N2_NIU:
5900 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
5901 		break;
5902 	}
5903 
5904 	if (status != NXGE_OK) {
5905 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5906 		    "nxge_add_intrs_adv_typ:nxge_ldgv_init "
5907 		    "failed: 0x%x", status));
5908 		/* Free already allocated interrupts */
5909 		for (y = 0; y < nactual; y++) {
5910 			(void) ddi_intr_free(intrp->htable[y]);
5911 		}
5912 
5913 		kmem_free(intrp->htable, intrp->intr_size);
5914 		return (status);
5915 	}
5916 
5917 	ldgp = nxgep->ldgvp->ldgp;
5918 	for (x = 0; x < nrequired; x++, ldgp++) {
5919 		ldgp->vector = (uint8_t)x;
5920 		ldgp->intdata = SID_DATA(ldgp->func, x);
5921 		arg1 = ldgp->ldvp;
5922 		arg2 = nxgep;
5923 		if (ldgp->nldvs == 1) {
5924 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
5925 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5926 			    "nxge_add_intrs_adv_type: "
5927 			    "arg1 0x%x arg2 0x%x: "
5928 			    "1-1 int handler (entry %d intdata 0x%x)\n",
5929 			    arg1, arg2,
5930 			    x, ldgp->intdata));
5931 		} else if (ldgp->nldvs > 1) {
5932 			inthandler = (uint_t *)ldgp->sys_intr_handler;
5933 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5934 			    "nxge_add_intrs_adv_type: "
5935 			    "arg1 0x%x arg2 0x%x: "
5936 			    "nldevs %d int handler "
5937 			    "(entry %d intdata 0x%x)\n",
5938 			    arg1, arg2,
5939 			    ldgp->nldvs, x, ldgp->intdata));
5940 		}
5941 
5942 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5943 		    "==> nxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
5944 		    "htable 0x%llx", x, intrp->htable[x]));
5945 
5946 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
5947 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
5948 		    != DDI_SUCCESS) {
5949 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5950 			    "==> nxge_add_intrs_adv_type: failed #%d "
5951 			    "status 0x%x", x, ddi_status));
5952 			for (y = 0; y < intrp->intr_added; y++) {
5953 				(void) ddi_intr_remove_handler(
5954 				    intrp->htable[y]);
5955 			}
5956 			/* Free already allocated intr */
5957 			for (y = 0; y < nactual; y++) {
5958 				(void) ddi_intr_free(intrp->htable[y]);
5959 			}
5960 			kmem_free(intrp->htable, intrp->intr_size);
5961 
5962 			(void) nxge_ldgv_uninit(nxgep);
5963 
5964 			return (NXGE_ERROR | NXGE_DDI_FAILED);
5965 		}
5966 		intrp->intr_added++;
5967 	}
5968 
5969 	intrp->msi_intx_cnt = nactual;
5970 
5971 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5972 	    "Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
5973 	    navail, nactual,
5974 	    intrp->msi_intx_cnt,
5975 	    intrp->intr_added));
5976 
5977 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
5978 
5979 	(void) nxge_intr_ldgv_init(nxgep);
5980 
5981 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type"));
5982 
5983 	return (status);
5984 }
5985 
5986 /*ARGSUSED*/
5987 static nxge_status_t
5988 nxge_add_intrs_adv_type_fix(p_nxge_t nxgep, uint32_t int_type)
5989 {
5990 	dev_info_t		*dip = nxgep->dip;
5991 	p_nxge_ldg_t		ldgp;
5992 	p_nxge_intr_t		intrp;
5993 	uint_t			*inthandler;
5994 	void			*arg1, *arg2;
5995 	int			behavior;
5996 	int			nintrs, navail;
5997 	int			nactual, nrequired;
5998 	int			inum = 0;
5999 	int			x, y;
6000 	int			ddi_status = DDI_SUCCESS;
6001 	nxge_status_t		status = NXGE_OK;
6002 
6003 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type_fix"));
6004 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6005 	intrp->start_inum = 0;
6006 
6007 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
6008 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
6009 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6010 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
6011 		    "nintrs: %d", status, nintrs));
6012 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6013 	}
6014 
6015 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
6016 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
6017 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6018 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
6019 		    "nintrs: %d", ddi_status, navail));
6020 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6021 	}
6022 
6023 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
6024 	    "ddi_intr_get_navail() returned: nintrs %d, naavail %d",
6025 	    nintrs, navail));
6026 
6027 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
6028 	    DDI_INTR_ALLOC_NORMAL);
6029 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
6030 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
6031 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
6032 	    navail, &nactual, behavior);
6033 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
6034 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6035 		    " ddi_intr_alloc() failed: %d",
6036 		    ddi_status));
6037 		kmem_free(intrp->htable, intrp->intr_size);
6038 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6039 	}
6040 
6041 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
6042 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
6043 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6044 		    " ddi_intr_get_pri() failed: %d",
6045 		    ddi_status));
6046 		/* Free already allocated interrupts */
6047 		for (y = 0; y < nactual; y++) {
6048 			(void) ddi_intr_free(intrp->htable[y]);
6049 		}
6050 
6051 		kmem_free(intrp->htable, intrp->intr_size);
6052 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6053 	}
6054 
6055 	nrequired = 0;
6056 	switch (nxgep->niu_type) {
6057 	default:
6058 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
6059 		break;
6060 
6061 	case N2_NIU:
6062 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
6063 		break;
6064 	}
6065 
6066 	if (status != NXGE_OK) {
6067 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6068 		    "nxge_add_intrs_adv_type_fix:nxge_ldgv_init "
6069 		    "failed: 0x%x", status));
6070 		/* Free already allocated interrupts */
6071 		for (y = 0; y < nactual; y++) {
6072 			(void) ddi_intr_free(intrp->htable[y]);
6073 		}
6074 
6075 		kmem_free(intrp->htable, intrp->intr_size);
6076 		return (status);
6077 	}
6078 
6079 	ldgp = nxgep->ldgvp->ldgp;
6080 	for (x = 0; x < nrequired; x++, ldgp++) {
6081 		ldgp->vector = (uint8_t)x;
6082 		if (nxgep->niu_type != N2_NIU) {
6083 			ldgp->intdata = SID_DATA(ldgp->func, x);
6084 		}
6085 
6086 		arg1 = ldgp->ldvp;
6087 		arg2 = nxgep;
6088 		if (ldgp->nldvs == 1) {
6089 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
6090 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6091 			    "nxge_add_intrs_adv_type_fix: "
6092 			    "1-1 int handler(%d) ldg %d ldv %d "
6093 			    "arg1 $%p arg2 $%p\n",
6094 			    x, ldgp->ldg, ldgp->ldvp->ldv,
6095 			    arg1, arg2));
6096 		} else if (ldgp->nldvs > 1) {
6097 			inthandler = (uint_t *)ldgp->sys_intr_handler;
6098 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6099 			    "nxge_add_intrs_adv_type_fix: "
6100 			    "shared ldv %d int handler(%d) ldv %d ldg %d"
6101 			    "arg1 0x%016llx arg2 0x%016llx\n",
6102 			    x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
6103 			    arg1, arg2));
6104 		}
6105 
6106 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
6107 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
6108 		    != DDI_SUCCESS) {
6109 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6110 			    "==> nxge_add_intrs_adv_type_fix: failed #%d "
6111 			    "status 0x%x", x, ddi_status));
6112 			for (y = 0; y < intrp->intr_added; y++) {
6113 				(void) ddi_intr_remove_handler(
6114 				    intrp->htable[y]);
6115 			}
6116 			for (y = 0; y < nactual; y++) {
6117 				(void) ddi_intr_free(intrp->htable[y]);
6118 			}
6119 			/* Free already allocated intr */
6120 			kmem_free(intrp->htable, intrp->intr_size);
6121 
6122 			(void) nxge_ldgv_uninit(nxgep);
6123 
6124 			return (NXGE_ERROR | NXGE_DDI_FAILED);
6125 		}
6126 		intrp->intr_added++;
6127 	}
6128 
6129 	intrp->msi_intx_cnt = nactual;
6130 
6131 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
6132 
6133 	status = nxge_intr_ldgv_init(nxgep);
6134 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type_fix"));
6135 
6136 	return (status);
6137 }
6138 
6139 static void
6140 nxge_remove_intrs(p_nxge_t nxgep)
6141 {
6142 	int		i, inum;
6143 	p_nxge_intr_t	intrp;
6144 
6145 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs"));
6146 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6147 	if (!intrp->intr_registered) {
6148 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6149 		    "<== nxge_remove_intrs: interrupts not registered"));
6150 		return;
6151 	}
6152 
6153 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs:advanced"));
6154 
6155 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6156 		(void) ddi_intr_block_disable(intrp->htable,
6157 		    intrp->intr_added);
6158 	} else {
6159 		for (i = 0; i < intrp->intr_added; i++) {
6160 			(void) ddi_intr_disable(intrp->htable[i]);
6161 		}
6162 	}
6163 
6164 	for (inum = 0; inum < intrp->intr_added; inum++) {
6165 		if (intrp->htable[inum]) {
6166 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
6167 		}
6168 	}
6169 
6170 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
6171 		if (intrp->htable[inum]) {
6172 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6173 			    "nxge_remove_intrs: ddi_intr_free inum %d "
6174 			    "msi_intx_cnt %d intr_added %d",
6175 			    inum,
6176 			    intrp->msi_intx_cnt,
6177 			    intrp->intr_added));
6178 
6179 			(void) ddi_intr_free(intrp->htable[inum]);
6180 		}
6181 	}
6182 
6183 	kmem_free(intrp->htable, intrp->intr_size);
6184 	intrp->intr_registered = B_FALSE;
6185 	intrp->intr_enabled = B_FALSE;
6186 	intrp->msi_intx_cnt = 0;
6187 	intrp->intr_added = 0;
6188 
6189 	(void) nxge_ldgv_uninit(nxgep);
6190 
6191 	(void) ddi_prop_remove(DDI_DEV_T_NONE, nxgep->dip,
6192 	    "#msix-request");
6193 
6194 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_intrs"));
6195 }
6196 
6197 /*ARGSUSED*/
6198 static void
6199 nxge_remove_soft_intrs(p_nxge_t nxgep)
6200 {
6201 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_soft_intrs"));
6202 	if (nxgep->resched_id) {
6203 		ddi_remove_softintr(nxgep->resched_id);
6204 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6205 		    "==> nxge_remove_soft_intrs: removed"));
6206 		nxgep->resched_id = NULL;
6207 	}
6208 
6209 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_soft_intrs"));
6210 }
6211 
6212 /*ARGSUSED*/
6213 static void
6214 nxge_intrs_enable(p_nxge_t nxgep)
6215 {
6216 	p_nxge_intr_t	intrp;
6217 	int		i;
6218 	int		status;
6219 
6220 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable"));
6221 
6222 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6223 
6224 	if (!intrp->intr_registered) {
6225 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_intrs_enable: "
6226 		    "interrupts are not registered"));
6227 		return;
6228 	}
6229 
6230 	if (intrp->intr_enabled) {
6231 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6232 		    "<== nxge_intrs_enable: already enabled"));
6233 		return;
6234 	}
6235 
6236 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6237 		status = ddi_intr_block_enable(intrp->htable,
6238 		    intrp->intr_added);
6239 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6240 		    "block enable - status 0x%x total inums #%d\n",
6241 		    status, intrp->intr_added));
6242 	} else {
6243 		for (i = 0; i < intrp->intr_added; i++) {
6244 			status = ddi_intr_enable(intrp->htable[i]);
6245 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6246 			    "ddi_intr_enable:enable - status 0x%x "
6247 			    "total inums %d enable inum #%d\n",
6248 			    status, intrp->intr_added, i));
6249 			if (status == DDI_SUCCESS) {
6250 				intrp->intr_enabled = B_TRUE;
6251 			}
6252 		}
6253 	}
6254 
6255 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_enable"));
6256 }
6257 
6258 /*ARGSUSED*/
6259 static void
6260 nxge_intrs_disable(p_nxge_t nxgep)
6261 {
6262 	p_nxge_intr_t	intrp;
6263 	int		i;
6264 
6265 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_disable"));
6266 
6267 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6268 
6269 	if (!intrp->intr_registered) {
6270 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable: "
6271 		    "interrupts are not registered"));
6272 		return;
6273 	}
6274 
6275 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6276 		(void) ddi_intr_block_disable(intrp->htable,
6277 		    intrp->intr_added);
6278 	} else {
6279 		for (i = 0; i < intrp->intr_added; i++) {
6280 			(void) ddi_intr_disable(intrp->htable[i]);
6281 		}
6282 	}
6283 
6284 	intrp->intr_enabled = B_FALSE;
6285 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable"));
6286 }
6287 
6288 static nxge_status_t
6289 nxge_mac_register(p_nxge_t nxgep)
6290 {
6291 	mac_register_t *macp;
6292 	int		status;
6293 
6294 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_mac_register"));
6295 
6296 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
6297 		return (NXGE_ERROR);
6298 
6299 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
6300 	macp->m_driver = nxgep;
6301 	macp->m_dip = nxgep->dip;
6302 	macp->m_src_addr = nxgep->ouraddr.ether_addr_octet;
6303 	macp->m_callbacks = &nxge_m_callbacks;
6304 	macp->m_min_sdu = 0;
6305 	nxgep->mac.default_mtu = nxgep->mac.maxframesize -
6306 	    NXGE_EHEADER_VLAN_CRC;
6307 	macp->m_max_sdu = nxgep->mac.default_mtu;
6308 	macp->m_margin = VLAN_TAGSZ;
6309 	macp->m_priv_props = nxge_priv_props;
6310 	macp->m_priv_prop_count = NXGE_MAX_PRIV_PROPS;
6311 
6312 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
6313 	    "==> nxge_mac_register: instance %d "
6314 	    "max_sdu %d margin %d maxframe %d (header %d)",
6315 	    nxgep->instance,
6316 	    macp->m_max_sdu, macp->m_margin,
6317 	    nxgep->mac.maxframesize,
6318 	    NXGE_EHEADER_VLAN_CRC));
6319 
6320 	status = mac_register(macp, &nxgep->mach);
6321 	mac_free(macp);
6322 
6323 	if (status != 0) {
6324 		cmn_err(CE_WARN,
6325 		    "!nxge_mac_register failed (status %d instance %d)",
6326 		    status, nxgep->instance);
6327 		return (NXGE_ERROR);
6328 	}
6329 
6330 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_mac_register success "
6331 	    "(instance %d)", nxgep->instance));
6332 
6333 	return (NXGE_OK);
6334 }
6335 
6336 void
6337 nxge_err_inject(p_nxge_t nxgep, queue_t *wq, mblk_t *mp)
6338 {
6339 	ssize_t		size;
6340 	mblk_t		*nmp;
6341 	uint8_t		blk_id;
6342 	uint8_t		chan;
6343 	uint32_t	err_id;
6344 	err_inject_t	*eip;
6345 
6346 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_err_inject"));
6347 
6348 	size = 1024;
6349 	nmp = mp->b_cont;
6350 	eip = (err_inject_t *)nmp->b_rptr;
6351 	blk_id = eip->blk_id;
6352 	err_id = eip->err_id;
6353 	chan = eip->chan;
6354 	cmn_err(CE_NOTE, "!blk_id = 0x%x\n", blk_id);
6355 	cmn_err(CE_NOTE, "!err_id = 0x%x\n", err_id);
6356 	cmn_err(CE_NOTE, "!chan = 0x%x\n", chan);
6357 	switch (blk_id) {
6358 	case MAC_BLK_ID:
6359 		break;
6360 	case TXMAC_BLK_ID:
6361 		break;
6362 	case RXMAC_BLK_ID:
6363 		break;
6364 	case MIF_BLK_ID:
6365 		break;
6366 	case IPP_BLK_ID:
6367 		nxge_ipp_inject_err(nxgep, err_id);
6368 		break;
6369 	case TXC_BLK_ID:
6370 		nxge_txc_inject_err(nxgep, err_id);
6371 		break;
6372 	case TXDMA_BLK_ID:
6373 		nxge_txdma_inject_err(nxgep, err_id, chan);
6374 		break;
6375 	case RXDMA_BLK_ID:
6376 		nxge_rxdma_inject_err(nxgep, err_id, chan);
6377 		break;
6378 	case ZCP_BLK_ID:
6379 		nxge_zcp_inject_err(nxgep, err_id);
6380 		break;
6381 	case ESPC_BLK_ID:
6382 		break;
6383 	case FFLP_BLK_ID:
6384 		break;
6385 	case PHY_BLK_ID:
6386 		break;
6387 	case ETHER_SERDES_BLK_ID:
6388 		break;
6389 	case PCIE_SERDES_BLK_ID:
6390 		break;
6391 	case VIR_BLK_ID:
6392 		break;
6393 	}
6394 
6395 	nmp->b_wptr = nmp->b_rptr + size;
6396 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_err_inject"));
6397 
6398 	miocack(wq, mp, (int)size, 0);
6399 }
6400 
6401 static int
6402 nxge_init_common_dev(p_nxge_t nxgep)
6403 {
6404 	p_nxge_hw_list_t	hw_p;
6405 	dev_info_t 		*p_dip;
6406 
6407 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_init_common_device"));
6408 
6409 	p_dip = nxgep->p_dip;
6410 	MUTEX_ENTER(&nxge_common_lock);
6411 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6412 	    "==> nxge_init_common_dev:func # %d",
6413 	    nxgep->function_num));
6414 	/*
6415 	 * Loop through existing per neptune hardware list.
6416 	 */
6417 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6418 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6419 		    "==> nxge_init_common_device:func # %d "
6420 		    "hw_p $%p parent dip $%p",
6421 		    nxgep->function_num,
6422 		    hw_p,
6423 		    p_dip));
6424 		if (hw_p->parent_devp == p_dip) {
6425 			nxgep->nxge_hw_p = hw_p;
6426 			hw_p->ndevs++;
6427 			hw_p->nxge_p[nxgep->function_num] = nxgep;
6428 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6429 			    "==> nxge_init_common_device:func # %d "
6430 			    "hw_p $%p parent dip $%p "
6431 			    "ndevs %d (found)",
6432 			    nxgep->function_num,
6433 			    hw_p,
6434 			    p_dip,
6435 			    hw_p->ndevs));
6436 			break;
6437 		}
6438 	}
6439 
6440 	if (hw_p == NULL) {
6441 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6442 		    "==> nxge_init_common_device:func # %d "
6443 		    "parent dip $%p (new)",
6444 		    nxgep->function_num,
6445 		    p_dip));
6446 		hw_p = kmem_zalloc(sizeof (nxge_hw_list_t), KM_SLEEP);
6447 		hw_p->parent_devp = p_dip;
6448 		hw_p->magic = NXGE_NEPTUNE_MAGIC;
6449 		nxgep->nxge_hw_p = hw_p;
6450 		hw_p->ndevs++;
6451 		hw_p->nxge_p[nxgep->function_num] = nxgep;
6452 		hw_p->next = nxge_hw_list;
6453 		if (nxgep->niu_type == N2_NIU) {
6454 			hw_p->niu_type = N2_NIU;
6455 			hw_p->platform_type = P_NEPTUNE_NIU;
6456 		} else {
6457 			hw_p->niu_type = NIU_TYPE_NONE;
6458 			hw_p->platform_type = P_NEPTUNE_NONE;
6459 		}
6460 
6461 		MUTEX_INIT(&hw_p->nxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
6462 		MUTEX_INIT(&hw_p->nxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
6463 		MUTEX_INIT(&hw_p->nxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
6464 		MUTEX_INIT(&hw_p->nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
6465 
6466 		nxge_hw_list = hw_p;
6467 
6468 		(void) nxge_scan_ports_phy(nxgep, nxge_hw_list);
6469 	}
6470 
6471 	MUTEX_EXIT(&nxge_common_lock);
6472 
6473 	nxgep->platform_type = hw_p->platform_type;
6474 	if (nxgep->niu_type != N2_NIU) {
6475 		nxgep->niu_type = hw_p->niu_type;
6476 	}
6477 
6478 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6479 	    "==> nxge_init_common_device (nxge_hw_list) $%p",
6480 	    nxge_hw_list));
6481 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<== nxge_init_common_device"));
6482 
6483 	return (NXGE_OK);
6484 }
6485 
6486 static void
6487 nxge_uninit_common_dev(p_nxge_t nxgep)
6488 {
6489 	p_nxge_hw_list_t	hw_p, h_hw_p;
6490 	p_nxge_dma_pt_cfg_t	p_dma_cfgp;
6491 	p_nxge_hw_pt_cfg_t	p_cfgp;
6492 	dev_info_t 		*p_dip;
6493 
6494 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_uninit_common_device"));
6495 	if (nxgep->nxge_hw_p == NULL) {
6496 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6497 		    "<== nxge_uninit_common_device (no common)"));
6498 		return;
6499 	}
6500 
6501 	MUTEX_ENTER(&nxge_common_lock);
6502 	h_hw_p = nxge_hw_list;
6503 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6504 		p_dip = hw_p->parent_devp;
6505 		if (nxgep->nxge_hw_p == hw_p &&
6506 		    p_dip == nxgep->p_dip &&
6507 		    nxgep->nxge_hw_p->magic == NXGE_NEPTUNE_MAGIC &&
6508 		    hw_p->magic == NXGE_NEPTUNE_MAGIC) {
6509 
6510 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6511 			    "==> nxge_uninit_common_device:func # %d "
6512 			    "hw_p $%p parent dip $%p "
6513 			    "ndevs %d (found)",
6514 			    nxgep->function_num,
6515 			    hw_p,
6516 			    p_dip,
6517 			    hw_p->ndevs));
6518 
6519 			/*
6520 			 * Release the RDC table, a shared resoruce
6521 			 * of the nxge hardware.  The RDC table was
6522 			 * assigned to this instance of nxge in
6523 			 * nxge_use_cfg_dma_config().
6524 			 */
6525 			p_dma_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
6526 			p_cfgp = (p_nxge_hw_pt_cfg_t)&p_dma_cfgp->hw_config;
6527 			(void) nxge_fzc_rdc_tbl_unbind(nxgep,
6528 			    p_cfgp->def_mac_rxdma_grpid);
6529 
6530 			if (hw_p->ndevs) {
6531 				hw_p->ndevs--;
6532 			}
6533 			hw_p->nxge_p[nxgep->function_num] = NULL;
6534 			if (!hw_p->ndevs) {
6535 				MUTEX_DESTROY(&hw_p->nxge_vlan_lock);
6536 				MUTEX_DESTROY(&hw_p->nxge_tcam_lock);
6537 				MUTEX_DESTROY(&hw_p->nxge_cfg_lock);
6538 				MUTEX_DESTROY(&hw_p->nxge_mdio_lock);
6539 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6540 				    "==> nxge_uninit_common_device: "
6541 				    "func # %d "
6542 				    "hw_p $%p parent dip $%p "
6543 				    "ndevs %d (last)",
6544 				    nxgep->function_num,
6545 				    hw_p,
6546 				    p_dip,
6547 				    hw_p->ndevs));
6548 
6549 				nxge_hio_uninit(nxgep);
6550 
6551 				if (hw_p == nxge_hw_list) {
6552 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6553 					    "==> nxge_uninit_common_device:"
6554 					    "remove head func # %d "
6555 					    "hw_p $%p parent dip $%p "
6556 					    "ndevs %d (head)",
6557 					    nxgep->function_num,
6558 					    hw_p,
6559 					    p_dip,
6560 					    hw_p->ndevs));
6561 					nxge_hw_list = hw_p->next;
6562 				} else {
6563 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6564 					    "==> nxge_uninit_common_device:"
6565 					    "remove middle func # %d "
6566 					    "hw_p $%p parent dip $%p "
6567 					    "ndevs %d (middle)",
6568 					    nxgep->function_num,
6569 					    hw_p,
6570 					    p_dip,
6571 					    hw_p->ndevs));
6572 					h_hw_p->next = hw_p->next;
6573 				}
6574 
6575 				nxgep->nxge_hw_p = NULL;
6576 				KMEM_FREE(hw_p, sizeof (nxge_hw_list_t));
6577 			}
6578 			break;
6579 		} else {
6580 			h_hw_p = hw_p;
6581 		}
6582 	}
6583 
6584 	MUTEX_EXIT(&nxge_common_lock);
6585 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6586 	    "==> nxge_uninit_common_device (nxge_hw_list) $%p",
6587 	    nxge_hw_list));
6588 
6589 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<= nxge_uninit_common_device"));
6590 }
6591 
6592 /*
6593  * Determines the number of ports from the niu_type or the platform type.
6594  * Returns the number of ports, or returns zero on failure.
6595  */
6596 
6597 int
6598 nxge_get_nports(p_nxge_t nxgep)
6599 {
6600 	int	nports = 0;
6601 
6602 	switch (nxgep->niu_type) {
6603 	case N2_NIU:
6604 	case NEPTUNE_2_10GF:
6605 		nports = 2;
6606 		break;
6607 	case NEPTUNE_4_1GC:
6608 	case NEPTUNE_2_10GF_2_1GC:
6609 	case NEPTUNE_1_10GF_3_1GC:
6610 	case NEPTUNE_1_1GC_1_10GF_2_1GC:
6611 	case NEPTUNE_2_10GF_2_1GRF:
6612 		nports = 4;
6613 		break;
6614 	default:
6615 		switch (nxgep->platform_type) {
6616 		case P_NEPTUNE_NIU:
6617 		case P_NEPTUNE_ATLAS_2PORT:
6618 			nports = 2;
6619 			break;
6620 		case P_NEPTUNE_ATLAS_4PORT:
6621 		case P_NEPTUNE_MARAMBA_P0:
6622 		case P_NEPTUNE_MARAMBA_P1:
6623 		case P_NEPTUNE_ALONSO:
6624 			nports = 4;
6625 			break;
6626 		default:
6627 			break;
6628 		}
6629 		break;
6630 	}
6631 
6632 	return (nports);
6633 }
6634 
6635 /*
6636  * The following two functions are to support
6637  * PSARC/2007/453 MSI-X interrupt limit override.
6638  */
6639 static int
6640 nxge_create_msi_property(p_nxge_t nxgep)
6641 {
6642 	int	nmsi;
6643 	extern	int ncpus;
6644 
6645 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==>nxge_create_msi_property"));
6646 
6647 	switch (nxgep->mac.portmode) {
6648 	case PORT_10G_COPPER:
6649 	case PORT_10G_FIBER:
6650 	case PORT_10G_TN1010:
6651 		(void) ddi_prop_create(DDI_DEV_T_NONE, nxgep->dip,
6652 		    DDI_PROP_CANSLEEP, "#msix-request", NULL, 0);
6653 		/*
6654 		 * The maximum MSI-X requested will be 8.
6655 		 * If the # of CPUs is less than 8, we will reqeust
6656 		 * # MSI-X based on the # of CPUs.
6657 		 */
6658 		if (ncpus >= NXGE_MSIX_REQUEST_10G) {
6659 			nmsi = NXGE_MSIX_REQUEST_10G;
6660 		} else {
6661 			nmsi = ncpus;
6662 		}
6663 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6664 		    "==>nxge_create_msi_property(10G): exists 0x%x (nmsi %d)",
6665 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6666 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6667 		break;
6668 
6669 	default:
6670 		nmsi = NXGE_MSIX_REQUEST_1G;
6671 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6672 		    "==>nxge_create_msi_property(1G): exists 0x%x (nmsi %d)",
6673 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6674 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6675 		break;
6676 	}
6677 
6678 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<==nxge_create_msi_property"));
6679 	return (nmsi);
6680 }
6681 
6682 /* ARGSUSED */
6683 static int
6684 nxge_get_def_val(nxge_t *nxgep, mac_prop_id_t pr_num, uint_t pr_valsize,
6685     void *pr_val)
6686 {
6687 	int err = 0;
6688 	link_flowctrl_t fl;
6689 
6690 	switch (pr_num) {
6691 	case MAC_PROP_AUTONEG:
6692 		*(uint8_t *)pr_val = 1;
6693 		break;
6694 	case MAC_PROP_FLOWCTRL:
6695 		if (pr_valsize < sizeof (link_flowctrl_t))
6696 			return (EINVAL);
6697 		fl = LINK_FLOWCTRL_RX;
6698 		bcopy(&fl, pr_val, sizeof (fl));
6699 		break;
6700 	case MAC_PROP_ADV_1000FDX_CAP:
6701 	case MAC_PROP_EN_1000FDX_CAP:
6702 		*(uint8_t *)pr_val = 1;
6703 		break;
6704 	case MAC_PROP_ADV_100FDX_CAP:
6705 	case MAC_PROP_EN_100FDX_CAP:
6706 		*(uint8_t *)pr_val = 1;
6707 		break;
6708 	default:
6709 		err = ENOTSUP;
6710 		break;
6711 	}
6712 	return (err);
6713 }
6714 
6715 
6716 /*
6717  * The following is a software around for the Neptune hardware's
6718  * interrupt bugs; The Neptune hardware may generate spurious interrupts when
6719  * an interrupr handler is removed.
6720  */
6721 #define	NXGE_PCI_PORT_LOGIC_OFFSET	0x98
6722 #define	NXGE_PIM_RESET			(1ULL << 29)
6723 #define	NXGE_GLU_RESET			(1ULL << 30)
6724 #define	NXGE_NIU_RESET			(1ULL << 31)
6725 #define	NXGE_PCI_RESET_ALL		(NXGE_PIM_RESET |	\
6726 					NXGE_GLU_RESET |	\
6727 					NXGE_NIU_RESET)
6728 
6729 #define	NXGE_WAIT_QUITE_TIME		200000
6730 #define	NXGE_WAIT_QUITE_RETRY		40
6731 #define	NXGE_PCI_RESET_WAIT		1000000 /* one second */
6732 
6733 static void
6734 nxge_niu_peu_reset(p_nxge_t nxgep)
6735 {
6736 	uint32_t	rvalue;
6737 	p_nxge_hw_list_t hw_p;
6738 	p_nxge_t	fnxgep;
6739 	int		i, j;
6740 
6741 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_niu_peu_reset"));
6742 	if ((hw_p = nxgep->nxge_hw_p) == NULL) {
6743 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6744 		    "==> nxge_niu_peu_reset: NULL hardware pointer"));
6745 		return;
6746 	}
6747 
6748 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6749 	    "==> nxge_niu_peu_reset: flags 0x%x link timer id %d timer id %d",
6750 	    hw_p->flags, nxgep->nxge_link_poll_timerid,
6751 	    nxgep->nxge_timerid));
6752 
6753 	MUTEX_ENTER(&hw_p->nxge_cfg_lock);
6754 	/*
6755 	 * Make sure other instances from the same hardware
6756 	 * stop sending PIO and in quiescent state.
6757 	 */
6758 	for (i = 0; i < NXGE_MAX_PORTS; i++) {
6759 		fnxgep = hw_p->nxge_p[i];
6760 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6761 		    "==> nxge_niu_peu_reset: checking entry %d "
6762 		    "nxgep $%p", i, fnxgep));
6763 #ifdef	NXGE_DEBUG
6764 		if (fnxgep) {
6765 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6766 			    "==> nxge_niu_peu_reset: entry %d (function %d) "
6767 			    "link timer id %d hw timer id %d",
6768 			    i, fnxgep->function_num,
6769 			    fnxgep->nxge_link_poll_timerid,
6770 			    fnxgep->nxge_timerid));
6771 		}
6772 #endif
6773 		if (fnxgep && fnxgep != nxgep &&
6774 		    (fnxgep->nxge_timerid || fnxgep->nxge_link_poll_timerid)) {
6775 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6776 			    "==> nxge_niu_peu_reset: checking $%p "
6777 			    "(function %d) timer ids",
6778 			    fnxgep, fnxgep->function_num));
6779 			for (j = 0; j < NXGE_WAIT_QUITE_RETRY; j++) {
6780 				NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6781 				    "==> nxge_niu_peu_reset: waiting"));
6782 				NXGE_DELAY(NXGE_WAIT_QUITE_TIME);
6783 				if (!fnxgep->nxge_timerid &&
6784 				    !fnxgep->nxge_link_poll_timerid) {
6785 					break;
6786 				}
6787 			}
6788 			NXGE_DELAY(NXGE_WAIT_QUITE_TIME);
6789 			if (fnxgep->nxge_timerid ||
6790 			    fnxgep->nxge_link_poll_timerid) {
6791 				MUTEX_EXIT(&hw_p->nxge_cfg_lock);
6792 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6793 				    "<== nxge_niu_peu_reset: cannot reset "
6794 				    "hardware (devices are still in use)"));
6795 				return;
6796 			}
6797 		}
6798 	}
6799 
6800 	if ((hw_p->flags & COMMON_RESET_NIU_PCI) != COMMON_RESET_NIU_PCI) {
6801 		hw_p->flags |= COMMON_RESET_NIU_PCI;
6802 		rvalue = pci_config_get32(nxgep->dev_regs->nxge_pciregh,
6803 		    NXGE_PCI_PORT_LOGIC_OFFSET);
6804 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6805 		    "nxge_niu_peu_reset: read offset 0x%x (%d) "
6806 		    "(data 0x%x)",
6807 		    NXGE_PCI_PORT_LOGIC_OFFSET,
6808 		    NXGE_PCI_PORT_LOGIC_OFFSET,
6809 		    rvalue));
6810 
6811 		rvalue |= NXGE_PCI_RESET_ALL;
6812 		pci_config_put32(nxgep->dev_regs->nxge_pciregh,
6813 		    NXGE_PCI_PORT_LOGIC_OFFSET, rvalue);
6814 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6815 		    "nxge_niu_peu_reset: RESETTING NIU: write NIU reset 0x%x",
6816 		    rvalue));
6817 
6818 		NXGE_DELAY(NXGE_PCI_RESET_WAIT);
6819 	}
6820 
6821 	MUTEX_EXIT(&hw_p->nxge_cfg_lock);
6822 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_niu_peu_reset"));
6823 }
6824