xref: /titanic_41/usr/src/uts/common/io/nxge/nxge_main.c (revision fbdfbdd80db964f47d48b36c08c747e636fe7b42)
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(__i386)
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 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
812 
813 	goto nxge_attach_exit;
814 
815 nxge_attach_fail:
816 	nxge_unattach(nxgep);
817 	goto nxge_attach_fail1;
818 
819 nxge_attach_fail5:
820 	/*
821 	 * Tear down the ndd parameters setup.
822 	 */
823 	nxge_destroy_param(nxgep);
824 
825 	/*
826 	 * Tear down the kstat setup.
827 	 */
828 	nxge_destroy_kstats(nxgep);
829 
830 nxge_attach_fail4:
831 	if (nxgep->nxge_hw_p) {
832 		nxge_uninit_common_dev(nxgep);
833 		nxgep->nxge_hw_p = NULL;
834 	}
835 
836 nxge_attach_fail3:
837 	/*
838 	 * Unmap the register setup.
839 	 */
840 	nxge_unmap_regs(nxgep);
841 
842 	nxge_fm_fini(nxgep);
843 
844 nxge_attach_fail2:
845 	ddi_soft_state_free(nxge_list, nxgep->instance);
846 
847 nxge_attach_fail1:
848 	if (status != NXGE_OK)
849 		status = (NXGE_ERROR | NXGE_DDI_FAILED);
850 	nxgep = NULL;
851 
852 nxge_attach_exit:
853 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_attach status = 0x%08x",
854 	    status));
855 
856 	return (status);
857 }
858 
859 static int
860 nxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
861 {
862 	int 		status = DDI_SUCCESS;
863 	int 		instance;
864 	p_nxge_t 	nxgep = NULL;
865 
866 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_detach"));
867 	instance = ddi_get_instance(dip);
868 	nxgep = ddi_get_soft_state(nxge_list, instance);
869 	if (nxgep == NULL) {
870 		status = DDI_FAILURE;
871 		goto nxge_detach_exit;
872 	}
873 
874 	switch (cmd) {
875 	case DDI_DETACH:
876 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_DETACH"));
877 		break;
878 
879 	case DDI_PM_SUSPEND:
880 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
881 		nxgep->suspended = DDI_PM_SUSPEND;
882 		nxge_suspend(nxgep);
883 		break;
884 
885 	case DDI_SUSPEND:
886 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_SUSPEND"));
887 		if (nxgep->suspended != DDI_PM_SUSPEND) {
888 			nxgep->suspended = DDI_SUSPEND;
889 			nxge_suspend(nxgep);
890 		}
891 		break;
892 
893 	default:
894 		status = DDI_FAILURE;
895 	}
896 
897 	if (cmd != DDI_DETACH)
898 		goto nxge_detach_exit;
899 
900 	/*
901 	 * Stop the xcvr polling.
902 	 */
903 	nxgep->suspended = cmd;
904 
905 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
906 
907 	if (isLDOMguest(nxgep)) {
908 		nxge_hio_unregister(nxgep);
909 	} else if (nxgep->mach && (status = mac_unregister(nxgep->mach)) != 0) {
910 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
911 		    "<== nxge_detach status = 0x%08X", status));
912 		return (DDI_FAILURE);
913 	}
914 
915 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
916 	    "<== nxge_detach (mac_unregister) status = 0x%08X", status));
917 
918 	nxge_unattach(nxgep);
919 	nxgep = NULL;
920 
921 nxge_detach_exit:
922 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_detach status = 0x%08X",
923 	    status));
924 
925 	return (status);
926 }
927 
928 static void
929 nxge_unattach(p_nxge_t nxgep)
930 {
931 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unattach"));
932 
933 	if (nxgep == NULL || nxgep->dev_regs == NULL) {
934 		return;
935 	}
936 
937 	nxgep->nxge_magic = 0;
938 
939 	if (nxgep->nxge_timerid) {
940 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
941 		nxgep->nxge_timerid = 0;
942 	}
943 
944 	/*
945 	 * If this flag is set, it will affect the Neptune
946 	 * only.
947 	 */
948 	if ((nxgep->niu_type != N2_NIU) && nxge_peu_reset_enable) {
949 		nxge_niu_peu_reset(nxgep);
950 	}
951 
952 #if	defined(sun4v)
953 	if (isLDOMguest(nxgep)) {
954 		(void) nxge_hio_vr_release(nxgep);
955 	}
956 #endif
957 
958 	if (nxgep->nxge_hw_p) {
959 		nxge_uninit_common_dev(nxgep);
960 		nxgep->nxge_hw_p = NULL;
961 	}
962 
963 #if	defined(sun4v)
964 	if (nxgep->niu_type == N2_NIU && nxgep->niu_hsvc_available == B_TRUE) {
965 		(void) hsvc_unregister(&nxgep->niu_hsvc);
966 		nxgep->niu_hsvc_available = B_FALSE;
967 	}
968 #endif
969 	/*
970 	 * Stop any further interrupts.
971 	 */
972 	nxge_remove_intrs(nxgep);
973 
974 	/* remove soft interrups */
975 	nxge_remove_soft_intrs(nxgep);
976 
977 	/*
978 	 * Stop the device and free resources.
979 	 */
980 	if (!isLDOMguest(nxgep)) {
981 		nxge_destroy_dev(nxgep);
982 	}
983 
984 	/*
985 	 * Tear down the ndd parameters setup.
986 	 */
987 	nxge_destroy_param(nxgep);
988 
989 	/*
990 	 * Tear down the kstat setup.
991 	 */
992 	nxge_destroy_kstats(nxgep);
993 
994 	/*
995 	 * Destroy all mutexes.
996 	 */
997 	nxge_destroy_mutexes(nxgep);
998 
999 	/*
1000 	 * Remove the list of ndd parameters which
1001 	 * were setup during attach.
1002 	 */
1003 	if (nxgep->dip) {
1004 		NXGE_DEBUG_MSG((nxgep, OBP_CTL,
1005 		    " nxge_unattach: remove all properties"));
1006 
1007 		(void) ddi_prop_remove_all(nxgep->dip);
1008 	}
1009 
1010 #if NXGE_PROPERTY
1011 	nxge_remove_hard_properties(nxgep);
1012 #endif
1013 
1014 	/*
1015 	 * Unmap the register setup.
1016 	 */
1017 	nxge_unmap_regs(nxgep);
1018 
1019 	nxge_fm_fini(nxgep);
1020 
1021 	ddi_soft_state_free(nxge_list, nxgep->instance);
1022 
1023 	NXGE_DEBUG_MSG((NULL, DDI_CTL, "<== nxge_unattach"));
1024 }
1025 
1026 #if defined(sun4v)
1027 int
1028 nxge_hsvc_register(
1029 	nxge_t *nxgep)
1030 {
1031 	nxge_status_t status;
1032 
1033 	if (nxgep->niu_type == N2_NIU) {
1034 		nxgep->niu_hsvc_available = B_FALSE;
1035 		bcopy(&niu_hsvc, &nxgep->niu_hsvc, sizeof (hsvc_info_t));
1036 		if ((status = hsvc_register(&nxgep->niu_hsvc,
1037 		    &nxgep->niu_min_ver)) != 0) {
1038 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1039 			    "nxge_attach: %s: cannot negotiate "
1040 			    "hypervisor services revision %d group: 0x%lx "
1041 			    "major: 0x%lx minor: 0x%lx errno: %d",
1042 			    niu_hsvc.hsvc_modname, niu_hsvc.hsvc_rev,
1043 			    niu_hsvc.hsvc_group, niu_hsvc.hsvc_major,
1044 			    niu_hsvc.hsvc_minor, status));
1045 			return (DDI_FAILURE);
1046 		}
1047 		nxgep->niu_hsvc_available = B_TRUE;
1048 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1049 		    "NIU Hypervisor service enabled"));
1050 	}
1051 
1052 	return (DDI_SUCCESS);
1053 }
1054 #endif
1055 
1056 static char n2_siu_name[] = "niu";
1057 
1058 static nxge_status_t
1059 nxge_map_regs(p_nxge_t nxgep)
1060 {
1061 	int		ddi_status = DDI_SUCCESS;
1062 	p_dev_regs_t 	dev_regs;
1063 	char		buf[MAXPATHLEN + 1];
1064 	char 		*devname;
1065 #ifdef	NXGE_DEBUG
1066 	char 		*sysname;
1067 #endif
1068 	off_t		regsize;
1069 	nxge_status_t	status = NXGE_OK;
1070 #if !defined(_BIG_ENDIAN)
1071 	off_t pci_offset;
1072 	uint16_t pcie_devctl;
1073 #endif
1074 
1075 	if (isLDOMguest(nxgep)) {
1076 		return (nxge_guest_regs_map(nxgep));
1077 	}
1078 
1079 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_map_regs"));
1080 	nxgep->dev_regs = NULL;
1081 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
1082 	dev_regs->nxge_regh = NULL;
1083 	dev_regs->nxge_pciregh = NULL;
1084 	dev_regs->nxge_msix_regh = NULL;
1085 	dev_regs->nxge_vir_regh = NULL;
1086 	dev_regs->nxge_vir2_regh = NULL;
1087 	nxgep->niu_type = NIU_TYPE_NONE;
1088 
1089 	devname = ddi_pathname(nxgep->dip, buf);
1090 	ASSERT(strlen(devname) > 0);
1091 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1092 	    "nxge_map_regs: pathname devname %s", devname));
1093 
1094 	if (strstr(devname, n2_siu_name)) {
1095 		/* N2/NIU */
1096 		nxgep->niu_type = N2_NIU;
1097 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1098 		    "nxge_map_regs: N2/NIU devname %s", devname));
1099 		/* get function number */
1100 		nxgep->function_num =
1101 		    (devname[strlen(devname) -1] == '1' ? 1 : 0);
1102 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1103 		    "nxge_map_regs: N2/NIU function number %d",
1104 		    nxgep->function_num));
1105 	} else {
1106 		int		*prop_val;
1107 		uint_t 		prop_len;
1108 		uint8_t 	func_num;
1109 
1110 		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, nxgep->dip,
1111 		    0, "reg",
1112 		    &prop_val, &prop_len) != DDI_PROP_SUCCESS) {
1113 			NXGE_DEBUG_MSG((nxgep, VPD_CTL,
1114 			    "Reg property not found"));
1115 			ddi_status = DDI_FAILURE;
1116 			goto nxge_map_regs_fail0;
1117 
1118 		} else {
1119 			func_num = (prop_val[0] >> 8) & 0x7;
1120 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1121 			    "Reg property found: fun # %d",
1122 			    func_num));
1123 			nxgep->function_num = func_num;
1124 			if (isLDOMguest(nxgep)) {
1125 				nxgep->function_num /= 2;
1126 				return (NXGE_OK);
1127 			}
1128 			ddi_prop_free(prop_val);
1129 		}
1130 	}
1131 
1132 	switch (nxgep->niu_type) {
1133 	default:
1134 		(void) ddi_dev_regsize(nxgep->dip, 0, &regsize);
1135 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1136 		    "nxge_map_regs: pci config size 0x%x", regsize));
1137 
1138 		ddi_status = ddi_regs_map_setup(nxgep->dip, 0,
1139 		    (caddr_t *)&(dev_regs->nxge_pciregp), 0, 0,
1140 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_pciregh);
1141 		if (ddi_status != DDI_SUCCESS) {
1142 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1143 			    "ddi_map_regs, nxge bus config regs failed"));
1144 			goto nxge_map_regs_fail0;
1145 		}
1146 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1147 		    "nxge_map_reg: PCI config addr 0x%0llx "
1148 		    " handle 0x%0llx", dev_regs->nxge_pciregp,
1149 		    dev_regs->nxge_pciregh));
1150 			/*
1151 			 * IMP IMP
1152 			 * workaround  for bit swapping bug in HW
1153 			 * which ends up in no-snoop = yes
1154 			 * resulting, in DMA not synched properly
1155 			 */
1156 #if !defined(_BIG_ENDIAN)
1157 		/* workarounds for x86 systems */
1158 		pci_offset = 0x80 + PCIE_DEVCTL;
1159 		pcie_devctl = 0x0;
1160 		pcie_devctl &= PCIE_DEVCTL_ENABLE_NO_SNOOP;
1161 		pcie_devctl |= PCIE_DEVCTL_RO_EN;
1162 		pci_config_put16(dev_regs->nxge_pciregh, pci_offset,
1163 		    pcie_devctl);
1164 #endif
1165 
1166 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1167 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1168 		    "nxge_map_regs: pio size 0x%x", regsize));
1169 		/* set up the device mapped register */
1170 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1171 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1172 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1173 		if (ddi_status != DDI_SUCCESS) {
1174 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1175 			    "ddi_map_regs for Neptune global reg failed"));
1176 			goto nxge_map_regs_fail1;
1177 		}
1178 
1179 		/* set up the msi/msi-x mapped register */
1180 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1181 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1182 		    "nxge_map_regs: msix size 0x%x", regsize));
1183 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1184 		    (caddr_t *)&(dev_regs->nxge_msix_regp), 0, 0,
1185 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_msix_regh);
1186 		if (ddi_status != DDI_SUCCESS) {
1187 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1188 			    "ddi_map_regs for msi reg failed"));
1189 			goto nxge_map_regs_fail2;
1190 		}
1191 
1192 		/* set up the vio region mapped register */
1193 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1194 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1195 		    "nxge_map_regs: vio size 0x%x", regsize));
1196 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1197 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1198 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1199 
1200 		if (ddi_status != DDI_SUCCESS) {
1201 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1202 			    "ddi_map_regs for nxge vio reg failed"));
1203 			goto nxge_map_regs_fail3;
1204 		}
1205 		nxgep->dev_regs = dev_regs;
1206 
1207 		NPI_PCI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_pciregh);
1208 		NPI_PCI_ADD_HANDLE_SET(nxgep,
1209 		    (npi_reg_ptr_t)dev_regs->nxge_pciregp);
1210 		NPI_MSI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_msix_regh);
1211 		NPI_MSI_ADD_HANDLE_SET(nxgep,
1212 		    (npi_reg_ptr_t)dev_regs->nxge_msix_regp);
1213 
1214 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1215 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1216 
1217 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1218 		NPI_REG_ADD_HANDLE_SET(nxgep,
1219 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1220 
1221 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1222 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1223 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1224 
1225 		break;
1226 
1227 	case N2_NIU:
1228 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "ddi_map_regs, NIU"));
1229 		/*
1230 		 * Set up the device mapped register (FWARC 2006/556)
1231 		 * (changed back to 1: reg starts at 1!)
1232 		 */
1233 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1234 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1235 		    "nxge_map_regs: dev size 0x%x", regsize));
1236 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1237 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1238 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1239 
1240 		if (ddi_status != DDI_SUCCESS) {
1241 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1242 			    "ddi_map_regs for N2/NIU, global reg failed "));
1243 			goto nxge_map_regs_fail1;
1244 		}
1245 
1246 		/* set up the first vio region mapped register */
1247 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1248 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1249 		    "nxge_map_regs: vio (1) size 0x%x", regsize));
1250 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1251 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1252 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1253 
1254 		if (ddi_status != DDI_SUCCESS) {
1255 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1256 			    "ddi_map_regs for nxge vio reg failed"));
1257 			goto nxge_map_regs_fail2;
1258 		}
1259 		/* set up the second vio region mapped register */
1260 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1261 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1262 		    "nxge_map_regs: vio (3) size 0x%x", regsize));
1263 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1264 		    (caddr_t *)&(dev_regs->nxge_vir2_regp), 0, 0,
1265 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir2_regh);
1266 
1267 		if (ddi_status != DDI_SUCCESS) {
1268 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1269 			    "ddi_map_regs for nxge vio2 reg failed"));
1270 			goto nxge_map_regs_fail3;
1271 		}
1272 		nxgep->dev_regs = dev_regs;
1273 
1274 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1275 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1276 
1277 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1278 		NPI_REG_ADD_HANDLE_SET(nxgep,
1279 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1280 
1281 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1282 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1283 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1284 
1285 		NPI_V2REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir2_regh);
1286 		NPI_V2REG_ADD_HANDLE_SET(nxgep,
1287 		    (npi_reg_ptr_t)dev_regs->nxge_vir2_regp);
1288 
1289 		break;
1290 	}
1291 
1292 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "nxge_map_reg: hardware addr 0x%0llx "
1293 	    " handle 0x%0llx", dev_regs->nxge_regp, dev_regs->nxge_regh));
1294 
1295 	goto nxge_map_regs_exit;
1296 nxge_map_regs_fail3:
1297 	if (dev_regs->nxge_msix_regh) {
1298 		ddi_regs_map_free(&dev_regs->nxge_msix_regh);
1299 	}
1300 	if (dev_regs->nxge_vir_regh) {
1301 		ddi_regs_map_free(&dev_regs->nxge_regh);
1302 	}
1303 nxge_map_regs_fail2:
1304 	if (dev_regs->nxge_regh) {
1305 		ddi_regs_map_free(&dev_regs->nxge_regh);
1306 	}
1307 nxge_map_regs_fail1:
1308 	if (dev_regs->nxge_pciregh) {
1309 		ddi_regs_map_free(&dev_regs->nxge_pciregh);
1310 	}
1311 nxge_map_regs_fail0:
1312 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Freeing register set memory"));
1313 	kmem_free(dev_regs, sizeof (dev_regs_t));
1314 
1315 nxge_map_regs_exit:
1316 	if (ddi_status != DDI_SUCCESS)
1317 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1318 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_map_regs"));
1319 	return (status);
1320 }
1321 
1322 static void
1323 nxge_unmap_regs(p_nxge_t nxgep)
1324 {
1325 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unmap_regs"));
1326 
1327 	if (isLDOMguest(nxgep)) {
1328 		nxge_guest_regs_map_free(nxgep);
1329 		return;
1330 	}
1331 
1332 	if (nxgep->dev_regs) {
1333 		if (nxgep->dev_regs->nxge_pciregh) {
1334 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1335 			    "==> nxge_unmap_regs: bus"));
1336 			ddi_regs_map_free(&nxgep->dev_regs->nxge_pciregh);
1337 			nxgep->dev_regs->nxge_pciregh = NULL;
1338 		}
1339 		if (nxgep->dev_regs->nxge_regh) {
1340 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1341 			    "==> nxge_unmap_regs: device registers"));
1342 			ddi_regs_map_free(&nxgep->dev_regs->nxge_regh);
1343 			nxgep->dev_regs->nxge_regh = NULL;
1344 		}
1345 		if (nxgep->dev_regs->nxge_msix_regh) {
1346 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1347 			    "==> nxge_unmap_regs: device interrupts"));
1348 			ddi_regs_map_free(&nxgep->dev_regs->nxge_msix_regh);
1349 			nxgep->dev_regs->nxge_msix_regh = NULL;
1350 		}
1351 		if (nxgep->dev_regs->nxge_vir_regh) {
1352 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1353 			    "==> nxge_unmap_regs: vio region"));
1354 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir_regh);
1355 			nxgep->dev_regs->nxge_vir_regh = NULL;
1356 		}
1357 		if (nxgep->dev_regs->nxge_vir2_regh) {
1358 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1359 			    "==> nxge_unmap_regs: vio2 region"));
1360 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir2_regh);
1361 			nxgep->dev_regs->nxge_vir2_regh = NULL;
1362 		}
1363 
1364 		kmem_free(nxgep->dev_regs, sizeof (dev_regs_t));
1365 		nxgep->dev_regs = NULL;
1366 	}
1367 
1368 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_unmap_regs"));
1369 }
1370 
1371 static nxge_status_t
1372 nxge_setup_mutexes(p_nxge_t nxgep)
1373 {
1374 	int ddi_status = DDI_SUCCESS;
1375 	nxge_status_t status = NXGE_OK;
1376 	nxge_classify_t *classify_ptr;
1377 	int partition;
1378 
1379 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_mutexes"));
1380 
1381 	/*
1382 	 * Get the interrupt cookie so the mutexes can be
1383 	 * Initialized.
1384 	 */
1385 	if (isLDOMguest(nxgep)) {
1386 		nxgep->interrupt_cookie = 0;
1387 	} else {
1388 		ddi_status = ddi_get_iblock_cookie(nxgep->dip, 0,
1389 		    &nxgep->interrupt_cookie);
1390 
1391 		if (ddi_status != DDI_SUCCESS) {
1392 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1393 			    "<== nxge_setup_mutexes: failed 0x%x",
1394 			    ddi_status));
1395 			goto nxge_setup_mutexes_exit;
1396 		}
1397 	}
1398 
1399 	cv_init(&nxgep->poll_cv, NULL, CV_DRIVER, NULL);
1400 	MUTEX_INIT(&nxgep->poll_lock, NULL,
1401 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1402 
1403 	/*
1404 	 * Initialize mutexes for this device.
1405 	 */
1406 	MUTEX_INIT(nxgep->genlock, NULL,
1407 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1408 	MUTEX_INIT(&nxgep->ouraddr_lock, NULL,
1409 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1410 	MUTEX_INIT(&nxgep->mif_lock, NULL,
1411 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1412 	MUTEX_INIT(&nxgep->group_lock, NULL,
1413 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1414 	RW_INIT(&nxgep->filter_lock, NULL,
1415 	    RW_DRIVER, (void *)nxgep->interrupt_cookie);
1416 
1417 	classify_ptr = &nxgep->classifier;
1418 		/*
1419 		 * FFLP Mutexes are never used in interrupt context
1420 		 * as fflp operation can take very long time to
1421 		 * complete and hence not suitable to invoke from interrupt
1422 		 * handlers.
1423 		 */
1424 	MUTEX_INIT(&classify_ptr->tcam_lock, NULL,
1425 	    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1426 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1427 		MUTEX_INIT(&classify_ptr->fcram_lock, NULL,
1428 		    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1429 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1430 			MUTEX_INIT(&classify_ptr->hash_lock[partition], NULL,
1431 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1432 		}
1433 	}
1434 
1435 nxge_setup_mutexes_exit:
1436 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1437 	    "<== nxge_setup_mutexes status = %x", status));
1438 
1439 	if (ddi_status != DDI_SUCCESS)
1440 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1441 
1442 	return (status);
1443 }
1444 
1445 static void
1446 nxge_destroy_mutexes(p_nxge_t nxgep)
1447 {
1448 	int partition;
1449 	nxge_classify_t *classify_ptr;
1450 
1451 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_mutexes"));
1452 	RW_DESTROY(&nxgep->filter_lock);
1453 	MUTEX_DESTROY(&nxgep->group_lock);
1454 	MUTEX_DESTROY(&nxgep->mif_lock);
1455 	MUTEX_DESTROY(&nxgep->ouraddr_lock);
1456 	MUTEX_DESTROY(nxgep->genlock);
1457 
1458 	classify_ptr = &nxgep->classifier;
1459 	MUTEX_DESTROY(&classify_ptr->tcam_lock);
1460 
1461 	/* Destroy all polling resources. */
1462 	MUTEX_DESTROY(&nxgep->poll_lock);
1463 	cv_destroy(&nxgep->poll_cv);
1464 
1465 	/* free data structures, based on HW type */
1466 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1467 		MUTEX_DESTROY(&classify_ptr->fcram_lock);
1468 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1469 			MUTEX_DESTROY(&classify_ptr->hash_lock[partition]);
1470 		}
1471 	}
1472 
1473 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_mutexes"));
1474 }
1475 
1476 nxge_status_t
1477 nxge_init(p_nxge_t nxgep)
1478 {
1479 	nxge_status_t status = NXGE_OK;
1480 
1481 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_init"));
1482 
1483 	if (nxgep->drv_state & STATE_HW_INITIALIZED) {
1484 		return (status);
1485 	}
1486 
1487 	/*
1488 	 * Allocate system memory for the receive/transmit buffer blocks
1489 	 * and receive/transmit descriptor rings.
1490 	 */
1491 	status = nxge_alloc_mem_pool(nxgep);
1492 	if (status != NXGE_OK) {
1493 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "alloc mem failed\n"));
1494 		goto nxge_init_fail1;
1495 	}
1496 
1497 	if (!isLDOMguest(nxgep)) {
1498 		/*
1499 		 * Initialize and enable the TXC registers.
1500 		 * (Globally enable the Tx controller,
1501 		 *  enable the port, configure the dma channel bitmap,
1502 		 *  configure the max burst size).
1503 		 */
1504 		status = nxge_txc_init(nxgep);
1505 		if (status != NXGE_OK) {
1506 			NXGE_ERROR_MSG((nxgep,
1507 			    NXGE_ERR_CTL, "init txc failed\n"));
1508 			goto nxge_init_fail2;
1509 		}
1510 	}
1511 
1512 	/*
1513 	 * Initialize and enable TXDMA channels.
1514 	 */
1515 	status = nxge_init_txdma_channels(nxgep);
1516 	if (status != NXGE_OK) {
1517 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txdma failed\n"));
1518 		goto nxge_init_fail3;
1519 	}
1520 
1521 	/*
1522 	 * Initialize and enable RXDMA channels.
1523 	 */
1524 	status = nxge_init_rxdma_channels(nxgep);
1525 	if (status != NXGE_OK) {
1526 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init rxdma failed\n"));
1527 		goto nxge_init_fail4;
1528 	}
1529 
1530 	/*
1531 	 * The guest domain is now done.
1532 	 */
1533 	if (isLDOMguest(nxgep)) {
1534 		nxgep->drv_state |= STATE_HW_INITIALIZED;
1535 		goto nxge_init_exit;
1536 	}
1537 
1538 	/*
1539 	 * Initialize TCAM and FCRAM (Neptune).
1540 	 */
1541 	status = nxge_classify_init(nxgep);
1542 	if (status != NXGE_OK) {
1543 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init classify failed\n"));
1544 		goto nxge_init_fail5;
1545 	}
1546 
1547 	/*
1548 	 * Initialize ZCP
1549 	 */
1550 	status = nxge_zcp_init(nxgep);
1551 	if (status != NXGE_OK) {
1552 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init ZCP failed\n"));
1553 		goto nxge_init_fail5;
1554 	}
1555 
1556 	/*
1557 	 * Initialize IPP.
1558 	 */
1559 	status = nxge_ipp_init(nxgep);
1560 	if (status != NXGE_OK) {
1561 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init IPP failed\n"));
1562 		goto nxge_init_fail5;
1563 	}
1564 
1565 	/*
1566 	 * Initialize the MAC block.
1567 	 */
1568 	status = nxge_mac_init(nxgep);
1569 	if (status != NXGE_OK) {
1570 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init MAC failed\n"));
1571 		goto nxge_init_fail5;
1572 	}
1573 
1574 	nxge_intrs_enable(nxgep); /* XXX What changes do I need to make here? */
1575 
1576 	/*
1577 	 * Enable hardware interrupts.
1578 	 */
1579 	nxge_intr_hw_enable(nxgep);
1580 	nxgep->drv_state |= STATE_HW_INITIALIZED;
1581 
1582 	goto nxge_init_exit;
1583 
1584 nxge_init_fail5:
1585 	nxge_uninit_rxdma_channels(nxgep);
1586 nxge_init_fail4:
1587 	nxge_uninit_txdma_channels(nxgep);
1588 nxge_init_fail3:
1589 	if (!isLDOMguest(nxgep)) {
1590 		(void) nxge_txc_uninit(nxgep);
1591 	}
1592 nxge_init_fail2:
1593 	nxge_free_mem_pool(nxgep);
1594 nxge_init_fail1:
1595 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1596 	    "<== nxge_init status (failed) = 0x%08x", status));
1597 	return (status);
1598 
1599 nxge_init_exit:
1600 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_init status = 0x%08x",
1601 	    status));
1602 	return (status);
1603 }
1604 
1605 
1606 timeout_id_t
1607 nxge_start_timer(p_nxge_t nxgep, fptrv_t func, int msec)
1608 {
1609 	if ((nxgep->suspended == 0) || (nxgep->suspended == DDI_RESUME)) {
1610 		return (timeout(func, (caddr_t)nxgep,
1611 		    drv_usectohz(1000 * msec)));
1612 	}
1613 	return (NULL);
1614 }
1615 
1616 /*ARGSUSED*/
1617 void
1618 nxge_stop_timer(p_nxge_t nxgep, timeout_id_t timerid)
1619 {
1620 	if (timerid) {
1621 		(void) untimeout(timerid);
1622 	}
1623 }
1624 
1625 void
1626 nxge_uninit(p_nxge_t nxgep)
1627 {
1628 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_uninit"));
1629 
1630 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1631 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1632 		    "==> nxge_uninit: not initialized"));
1633 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1634 		    "<== nxge_uninit"));
1635 		return;
1636 	}
1637 
1638 	/* stop timer */
1639 	if (nxgep->nxge_timerid) {
1640 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1641 		nxgep->nxge_timerid = 0;
1642 	}
1643 
1644 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1645 	(void) nxge_intr_hw_disable(nxgep);
1646 
1647 	/*
1648 	 * Reset the receive MAC side.
1649 	 */
1650 	(void) nxge_rx_mac_disable(nxgep);
1651 
1652 	/* Disable and soft reset the IPP */
1653 	if (!isLDOMguest(nxgep))
1654 		(void) nxge_ipp_disable(nxgep);
1655 
1656 	/* Free classification resources */
1657 	(void) nxge_classify_uninit(nxgep);
1658 
1659 	/*
1660 	 * Reset the transmit/receive DMA side.
1661 	 */
1662 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
1663 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
1664 
1665 	nxge_uninit_txdma_channels(nxgep);
1666 	nxge_uninit_rxdma_channels(nxgep);
1667 
1668 	/*
1669 	 * Reset the transmit MAC side.
1670 	 */
1671 	(void) nxge_tx_mac_disable(nxgep);
1672 
1673 	nxge_free_mem_pool(nxgep);
1674 
1675 	/*
1676 	 * Start the timer if the reset flag is not set.
1677 	 * If this reset flag is set, the link monitor
1678 	 * will not be started in order to stop furthur bus
1679 	 * activities coming from this interface.
1680 	 * The driver will start the monitor function
1681 	 * if the interface was initialized again later.
1682 	 */
1683 	if (!nxge_peu_reset_enable) {
1684 		(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1685 	}
1686 
1687 	nxgep->drv_state &= ~STATE_HW_INITIALIZED;
1688 
1689 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_uninit: "
1690 	    "nxge_mblks_pending %d", nxge_mblks_pending));
1691 }
1692 
1693 void
1694 nxge_get64(p_nxge_t nxgep, p_mblk_t mp)
1695 {
1696 #if defined(__i386)
1697 	size_t		reg;
1698 #else
1699 	uint64_t	reg;
1700 #endif
1701 	uint64_t	regdata;
1702 	int		i, retry;
1703 
1704 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1705 	regdata = 0;
1706 	retry = 1;
1707 
1708 	for (i = 0; i < retry; i++) {
1709 		NXGE_REG_RD64(nxgep->npi_handle, reg, &regdata);
1710 	}
1711 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1712 }
1713 
1714 void
1715 nxge_put64(p_nxge_t nxgep, p_mblk_t mp)
1716 {
1717 #if defined(__i386)
1718 	size_t		reg;
1719 #else
1720 	uint64_t	reg;
1721 #endif
1722 	uint64_t	buf[2];
1723 
1724 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1725 #if defined(__i386)
1726 	reg = (size_t)buf[0];
1727 #else
1728 	reg = buf[0];
1729 #endif
1730 
1731 	NXGE_NPI_PIO_WRITE64(nxgep->npi_handle, reg, buf[1]);
1732 }
1733 
1734 
1735 nxge_os_mutex_t nxgedebuglock;
1736 int nxge_debug_init = 0;
1737 
1738 /*ARGSUSED*/
1739 /*VARARGS*/
1740 void
1741 nxge_debug_msg(p_nxge_t nxgep, uint64_t level, char *fmt, ...)
1742 {
1743 	char msg_buffer[1048];
1744 	char prefix_buffer[32];
1745 	int instance;
1746 	uint64_t debug_level;
1747 	int cmn_level = CE_CONT;
1748 	va_list ap;
1749 
1750 	if (nxgep && nxgep->nxge_debug_level != nxge_debug_level) {
1751 		/* In case a developer has changed nxge_debug_level. */
1752 		if (nxgep->nxge_debug_level != nxge_debug_level)
1753 			nxgep->nxge_debug_level = nxge_debug_level;
1754 	}
1755 
1756 	debug_level = (nxgep == NULL) ? nxge_debug_level :
1757 	    nxgep->nxge_debug_level;
1758 
1759 	if ((level & debug_level) ||
1760 	    (level == NXGE_NOTE) ||
1761 	    (level == NXGE_ERR_CTL)) {
1762 		/* do the msg processing */
1763 		if (nxge_debug_init == 0) {
1764 			MUTEX_INIT(&nxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1765 			nxge_debug_init = 1;
1766 		}
1767 
1768 		MUTEX_ENTER(&nxgedebuglock);
1769 
1770 		if ((level & NXGE_NOTE)) {
1771 			cmn_level = CE_NOTE;
1772 		}
1773 
1774 		if (level & NXGE_ERR_CTL) {
1775 			cmn_level = CE_WARN;
1776 		}
1777 
1778 		va_start(ap, fmt);
1779 		(void) vsprintf(msg_buffer, fmt, ap);
1780 		va_end(ap);
1781 		if (nxgep == NULL) {
1782 			instance = -1;
1783 			(void) sprintf(prefix_buffer, "%s :", "nxge");
1784 		} else {
1785 			instance = nxgep->instance;
1786 			(void) sprintf(prefix_buffer,
1787 			    "%s%d :", "nxge", instance);
1788 		}
1789 
1790 		MUTEX_EXIT(&nxgedebuglock);
1791 		cmn_err(cmn_level, "!%s %s\n",
1792 		    prefix_buffer, msg_buffer);
1793 
1794 	}
1795 }
1796 
1797 char *
1798 nxge_dump_packet(char *addr, int size)
1799 {
1800 	uchar_t *ap = (uchar_t *)addr;
1801 	int i;
1802 	static char etherbuf[1024];
1803 	char *cp = etherbuf;
1804 	char digits[] = "0123456789abcdef";
1805 
1806 	if (!size)
1807 		size = 60;
1808 
1809 	if (size > MAX_DUMP_SZ) {
1810 		/* Dump the leading bytes */
1811 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1812 			if (*ap > 0x0f)
1813 				*cp++ = digits[*ap >> 4];
1814 			*cp++ = digits[*ap++ & 0xf];
1815 			*cp++ = ':';
1816 		}
1817 		for (i = 0; i < 20; i++)
1818 			*cp++ = '.';
1819 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1820 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ/2));
1821 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1822 			if (*ap > 0x0f)
1823 				*cp++ = digits[*ap >> 4];
1824 			*cp++ = digits[*ap++ & 0xf];
1825 			*cp++ = ':';
1826 		}
1827 	} else {
1828 		for (i = 0; i < size; i++) {
1829 			if (*ap > 0x0f)
1830 				*cp++ = digits[*ap >> 4];
1831 			*cp++ = digits[*ap++ & 0xf];
1832 			*cp++ = ':';
1833 		}
1834 	}
1835 	*--cp = 0;
1836 	return (etherbuf);
1837 }
1838 
1839 #ifdef	NXGE_DEBUG
1840 static void
1841 nxge_test_map_regs(p_nxge_t nxgep)
1842 {
1843 	ddi_acc_handle_t cfg_handle;
1844 	p_pci_cfg_t	cfg_ptr;
1845 	ddi_acc_handle_t dev_handle;
1846 	char		*dev_ptr;
1847 	ddi_acc_handle_t pci_config_handle;
1848 	uint32_t	regval;
1849 	int		i;
1850 
1851 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_test_map_regs"));
1852 
1853 	dev_handle = nxgep->dev_regs->nxge_regh;
1854 	dev_ptr = (char *)nxgep->dev_regs->nxge_regp;
1855 
1856 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1857 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1858 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1859 
1860 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1861 		    "Neptune PCI regp cfg_ptr 0x%llx", (char *)cfg_ptr));
1862 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1863 		    "Neptune PCI cfg_ptr vendor id ptr 0x%llx",
1864 		    &cfg_ptr->vendorid));
1865 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1866 		    "\tvendorid 0x%x devid 0x%x",
1867 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->vendorid, 0),
1868 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->devid,    0)));
1869 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1870 		    "PCI BAR: base 0x%x base14 0x%x base 18 0x%x "
1871 		    "bar1c 0x%x",
1872 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base,   0),
1873 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base14, 0),
1874 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base18, 0),
1875 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base1c, 0)));
1876 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1877 		    "\nNeptune PCI BAR: base20 0x%x base24 0x%x "
1878 		    "base 28 0x%x bar2c 0x%x\n",
1879 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base20, 0),
1880 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base24, 0),
1881 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base28, 0),
1882 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base2c, 0)));
1883 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1884 		    "\nNeptune PCI BAR: base30 0x%x\n",
1885 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base30, 0)));
1886 
1887 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1888 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1889 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1890 		    "first  0x%llx second 0x%llx third 0x%llx "
1891 		    "last 0x%llx ",
1892 		    NXGE_PIO_READ64(dev_handle,
1893 		    (uint64_t *)(dev_ptr + 0),  0),
1894 		    NXGE_PIO_READ64(dev_handle,
1895 		    (uint64_t *)(dev_ptr + 8),  0),
1896 		    NXGE_PIO_READ64(dev_handle,
1897 		    (uint64_t *)(dev_ptr + 16), 0),
1898 		    NXGE_PIO_READ64(cfg_handle,
1899 		    (uint64_t *)(dev_ptr + 24), 0)));
1900 	}
1901 }
1902 
1903 #endif
1904 
1905 static void
1906 nxge_suspend(p_nxge_t nxgep)
1907 {
1908 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_suspend"));
1909 
1910 	nxge_intrs_disable(nxgep);
1911 	nxge_destroy_dev(nxgep);
1912 
1913 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_suspend"));
1914 }
1915 
1916 static nxge_status_t
1917 nxge_resume(p_nxge_t nxgep)
1918 {
1919 	nxge_status_t status = NXGE_OK;
1920 
1921 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_resume"));
1922 
1923 	nxgep->suspended = DDI_RESUME;
1924 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1925 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_START);
1926 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_START);
1927 	(void) nxge_rx_mac_enable(nxgep);
1928 	(void) nxge_tx_mac_enable(nxgep);
1929 	nxge_intrs_enable(nxgep);
1930 	nxgep->suspended = 0;
1931 
1932 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1933 	    "<== nxge_resume status = 0x%x", status));
1934 	return (status);
1935 }
1936 
1937 static nxge_status_t
1938 nxge_setup_dev(p_nxge_t nxgep)
1939 {
1940 	nxge_status_t	status = NXGE_OK;
1941 
1942 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_dev port %d",
1943 	    nxgep->mac.portnum));
1944 
1945 	status = nxge_link_init(nxgep);
1946 
1947 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1948 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1949 		    "port%d Bad register acc handle", nxgep->mac.portnum));
1950 		status = NXGE_ERROR;
1951 	}
1952 
1953 	if (status != NXGE_OK) {
1954 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1955 		    " nxge_setup_dev status "
1956 		    "(xcvr init 0x%08x)", status));
1957 		goto nxge_setup_dev_exit;
1958 	}
1959 
1960 nxge_setup_dev_exit:
1961 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1962 	    "<== nxge_setup_dev port %d status = 0x%08x",
1963 	    nxgep->mac.portnum, status));
1964 
1965 	return (status);
1966 }
1967 
1968 static void
1969 nxge_destroy_dev(p_nxge_t nxgep)
1970 {
1971 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_dev"));
1972 
1973 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1974 
1975 	(void) nxge_hw_stop(nxgep);
1976 
1977 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_dev"));
1978 }
1979 
1980 static nxge_status_t
1981 nxge_setup_system_dma_pages(p_nxge_t nxgep)
1982 {
1983 	int 			ddi_status = DDI_SUCCESS;
1984 	uint_t 			count;
1985 	ddi_dma_cookie_t 	cookie;
1986 	uint_t 			iommu_pagesize;
1987 	nxge_status_t		status = NXGE_OK;
1988 
1989 	NXGE_ERROR_MSG((nxgep, DDI_CTL, "==> nxge_setup_system_dma_pages"));
1990 	nxgep->sys_page_sz = ddi_ptob(nxgep->dip, (ulong_t)1);
1991 	if (nxgep->niu_type != N2_NIU) {
1992 		iommu_pagesize = dvma_pagesize(nxgep->dip);
1993 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1994 		    " nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1995 		    " default_block_size %d iommu_pagesize %d",
1996 		    nxgep->sys_page_sz,
1997 		    ddi_ptob(nxgep->dip, (ulong_t)1),
1998 		    nxgep->rx_default_block_size,
1999 		    iommu_pagesize));
2000 
2001 		if (iommu_pagesize != 0) {
2002 			if (nxgep->sys_page_sz == iommu_pagesize) {
2003 				if (iommu_pagesize > 0x4000)
2004 					nxgep->sys_page_sz = 0x4000;
2005 			} else {
2006 				if (nxgep->sys_page_sz > iommu_pagesize)
2007 					nxgep->sys_page_sz = iommu_pagesize;
2008 			}
2009 		}
2010 	}
2011 	nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
2012 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2013 	    "==> nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
2014 	    "default_block_size %d page mask %d",
2015 	    nxgep->sys_page_sz,
2016 	    ddi_ptob(nxgep->dip, (ulong_t)1),
2017 	    nxgep->rx_default_block_size,
2018 	    nxgep->sys_page_mask));
2019 
2020 
2021 	switch (nxgep->sys_page_sz) {
2022 	default:
2023 		nxgep->sys_page_sz = 0x1000;
2024 		nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
2025 		nxgep->rx_default_block_size = 0x1000;
2026 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
2027 		break;
2028 	case 0x1000:
2029 		nxgep->rx_default_block_size = 0x1000;
2030 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
2031 		break;
2032 	case 0x2000:
2033 		nxgep->rx_default_block_size = 0x2000;
2034 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
2035 		break;
2036 	case 0x4000:
2037 		nxgep->rx_default_block_size = 0x4000;
2038 		nxgep->rx_bksize_code = RBR_BKSIZE_16K;
2039 		break;
2040 	case 0x8000:
2041 		nxgep->rx_default_block_size = 0x8000;
2042 		nxgep->rx_bksize_code = RBR_BKSIZE_32K;
2043 		break;
2044 	}
2045 
2046 #ifndef USE_RX_BIG_BUF
2047 	nxge_rx_dma_attr.dma_attr_align = nxgep->sys_page_sz;
2048 #else
2049 		nxgep->rx_default_block_size = 0x2000;
2050 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
2051 #endif
2052 	/*
2053 	 * Get the system DMA burst size.
2054 	 */
2055 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, &nxge_tx_dma_attr,
2056 	    DDI_DMA_DONTWAIT, 0,
2057 	    &nxgep->dmasparehandle);
2058 	if (ddi_status != DDI_SUCCESS) {
2059 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2060 		    "ddi_dma_alloc_handle: failed "
2061 		    " status 0x%x", ddi_status));
2062 		goto nxge_get_soft_properties_exit;
2063 	}
2064 
2065 	ddi_status = ddi_dma_addr_bind_handle(nxgep->dmasparehandle, NULL,
2066 	    (caddr_t)nxgep->dmasparehandle,
2067 	    sizeof (nxgep->dmasparehandle),
2068 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2069 	    DDI_DMA_DONTWAIT, 0,
2070 	    &cookie, &count);
2071 	if (ddi_status != DDI_DMA_MAPPED) {
2072 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2073 		    "Binding spare handle to find system"
2074 		    " burstsize failed."));
2075 		ddi_status = DDI_FAILURE;
2076 		goto nxge_get_soft_properties_fail1;
2077 	}
2078 
2079 	nxgep->sys_burst_sz = ddi_dma_burstsizes(nxgep->dmasparehandle);
2080 	(void) ddi_dma_unbind_handle(nxgep->dmasparehandle);
2081 
2082 nxge_get_soft_properties_fail1:
2083 	ddi_dma_free_handle(&nxgep->dmasparehandle);
2084 
2085 nxge_get_soft_properties_exit:
2086 
2087 	if (ddi_status != DDI_SUCCESS)
2088 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2089 
2090 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2091 	    "<== nxge_setup_system_dma_pages status = 0x%08x", status));
2092 	return (status);
2093 }
2094 
2095 static nxge_status_t
2096 nxge_alloc_mem_pool(p_nxge_t nxgep)
2097 {
2098 	nxge_status_t	status = NXGE_OK;
2099 
2100 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_alloc_mem_pool"));
2101 
2102 	status = nxge_alloc_rx_mem_pool(nxgep);
2103 	if (status != NXGE_OK) {
2104 		return (NXGE_ERROR);
2105 	}
2106 
2107 	status = nxge_alloc_tx_mem_pool(nxgep);
2108 	if (status != NXGE_OK) {
2109 		nxge_free_rx_mem_pool(nxgep);
2110 		return (NXGE_ERROR);
2111 	}
2112 
2113 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_alloc_mem_pool"));
2114 	return (NXGE_OK);
2115 }
2116 
2117 static void
2118 nxge_free_mem_pool(p_nxge_t nxgep)
2119 {
2120 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_mem_pool"));
2121 
2122 	nxge_free_rx_mem_pool(nxgep);
2123 	nxge_free_tx_mem_pool(nxgep);
2124 
2125 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_mem_pool"));
2126 }
2127 
2128 nxge_status_t
2129 nxge_alloc_rx_mem_pool(p_nxge_t nxgep)
2130 {
2131 	uint32_t		rdc_max;
2132 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
2133 	p_nxge_hw_pt_cfg_t	p_cfgp;
2134 	p_nxge_dma_pool_t	dma_poolp;
2135 	p_nxge_dma_common_t	*dma_buf_p;
2136 	p_nxge_dma_pool_t	dma_cntl_poolp;
2137 	p_nxge_dma_common_t	*dma_cntl_p;
2138 	uint32_t 		*num_chunks; /* per dma */
2139 	nxge_status_t		status = NXGE_OK;
2140 
2141 	uint32_t		nxge_port_rbr_size;
2142 	uint32_t		nxge_port_rbr_spare_size;
2143 	uint32_t		nxge_port_rcr_size;
2144 	uint32_t		rx_cntl_alloc_size;
2145 
2146 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_mem_pool"));
2147 
2148 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
2149 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
2150 	rdc_max = NXGE_MAX_RDCS;
2151 
2152 	/*
2153 	 * Allocate memory for the common DMA data structures.
2154 	 */
2155 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2156 	    KM_SLEEP);
2157 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2158 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2159 
2160 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2161 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2162 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2163 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2164 
2165 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2166 	    sizeof (uint32_t) * rdc_max, KM_SLEEP);
2167 
2168 	/*
2169 	 * Assume that each DMA channel will be configured with
2170 	 * the default block size.
2171 	 * rbr block counts are modulo the batch count (16).
2172 	 */
2173 	nxge_port_rbr_size = p_all_cfgp->rbr_size;
2174 	nxge_port_rcr_size = p_all_cfgp->rcr_size;
2175 
2176 	if (!nxge_port_rbr_size) {
2177 		nxge_port_rbr_size = NXGE_RBR_RBB_DEFAULT;
2178 	}
2179 	if (nxge_port_rbr_size % NXGE_RXDMA_POST_BATCH) {
2180 		nxge_port_rbr_size = (NXGE_RXDMA_POST_BATCH *
2181 		    (nxge_port_rbr_size / NXGE_RXDMA_POST_BATCH + 1));
2182 	}
2183 
2184 	p_all_cfgp->rbr_size = nxge_port_rbr_size;
2185 	nxge_port_rbr_spare_size = nxge_rbr_spare_size;
2186 
2187 	if (nxge_port_rbr_spare_size % NXGE_RXDMA_POST_BATCH) {
2188 		nxge_port_rbr_spare_size = (NXGE_RXDMA_POST_BATCH *
2189 		    (nxge_port_rbr_spare_size / NXGE_RXDMA_POST_BATCH + 1));
2190 	}
2191 	if (nxge_port_rbr_size > RBR_DEFAULT_MAX_BLKS) {
2192 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2193 		    "nxge_alloc_rx_mem_pool: RBR size too high %d, "
2194 		    "set to default %d",
2195 		    nxge_port_rbr_size, RBR_DEFAULT_MAX_BLKS));
2196 		nxge_port_rbr_size = RBR_DEFAULT_MAX_BLKS;
2197 	}
2198 	if (nxge_port_rcr_size > RCR_DEFAULT_MAX) {
2199 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2200 		    "nxge_alloc_rx_mem_pool: RCR too high %d, "
2201 		    "set to default %d",
2202 		    nxge_port_rcr_size, RCR_DEFAULT_MAX));
2203 		nxge_port_rcr_size = RCR_DEFAULT_MAX;
2204 	}
2205 
2206 	/*
2207 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2208 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2209 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2210 	 * function).
2211 	 */
2212 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2213 	if (nxgep->niu_type == N2_NIU) {
2214 		nxge_port_rbr_spare_size = 0;
2215 		if ((nxge_port_rbr_size > NXGE_NIU_CONTIG_RBR_MAX) ||
2216 		    (!ISP2(nxge_port_rbr_size))) {
2217 			nxge_port_rbr_size = NXGE_NIU_CONTIG_RBR_MAX;
2218 		}
2219 		if ((nxge_port_rcr_size > NXGE_NIU_CONTIG_RCR_MAX) ||
2220 		    (!ISP2(nxge_port_rcr_size))) {
2221 			nxge_port_rcr_size = NXGE_NIU_CONTIG_RCR_MAX;
2222 		}
2223 	}
2224 #endif
2225 
2226 	/*
2227 	 * Addresses of receive block ring, receive completion ring and the
2228 	 * mailbox must be all cache-aligned (64 bytes).
2229 	 */
2230 	rx_cntl_alloc_size = nxge_port_rbr_size + nxge_port_rbr_spare_size;
2231 	rx_cntl_alloc_size *= (sizeof (rx_desc_t));
2232 	rx_cntl_alloc_size += (sizeof (rcr_entry_t) * nxge_port_rcr_size);
2233 	rx_cntl_alloc_size += sizeof (rxdma_mailbox_t);
2234 
2235 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_alloc_rx_mem_pool: "
2236 	    "nxge_port_rbr_size = %d nxge_port_rbr_spare_size = %d "
2237 	    "nxge_port_rcr_size = %d "
2238 	    "rx_cntl_alloc_size = %d",
2239 	    nxge_port_rbr_size, nxge_port_rbr_spare_size,
2240 	    nxge_port_rcr_size,
2241 	    rx_cntl_alloc_size));
2242 
2243 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2244 	if (nxgep->niu_type == N2_NIU) {
2245 		uint32_t rx_buf_alloc_size = (nxgep->rx_default_block_size *
2246 		    (nxge_port_rbr_size + nxge_port_rbr_spare_size));
2247 
2248 		if (!ISP2(rx_buf_alloc_size)) {
2249 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2250 			    "==> nxge_alloc_rx_mem_pool: "
2251 			    " must be power of 2"));
2252 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2253 			goto nxge_alloc_rx_mem_pool_exit;
2254 		}
2255 
2256 		if (rx_buf_alloc_size > (1 << 22)) {
2257 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2258 			    "==> nxge_alloc_rx_mem_pool: "
2259 			    " limit size to 4M"));
2260 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2261 			goto nxge_alloc_rx_mem_pool_exit;
2262 		}
2263 
2264 		if (rx_cntl_alloc_size < 0x2000) {
2265 			rx_cntl_alloc_size = 0x2000;
2266 		}
2267 	}
2268 #endif
2269 	nxgep->nxge_port_rbr_size = nxge_port_rbr_size;
2270 	nxgep->nxge_port_rcr_size = nxge_port_rcr_size;
2271 	nxgep->nxge_port_rbr_spare_size = nxge_port_rbr_spare_size;
2272 	nxgep->nxge_port_rx_cntl_alloc_size = rx_cntl_alloc_size;
2273 
2274 	dma_poolp->ndmas = p_cfgp->max_rdcs;
2275 	dma_poolp->num_chunks = num_chunks;
2276 	dma_poolp->buf_allocated = B_TRUE;
2277 	nxgep->rx_buf_pool_p = dma_poolp;
2278 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2279 
2280 	dma_cntl_poolp->ndmas = p_cfgp->max_rdcs;
2281 	dma_cntl_poolp->buf_allocated = B_TRUE;
2282 	nxgep->rx_cntl_pool_p = dma_cntl_poolp;
2283 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2284 
2285 	/* Allocate the receive rings, too. */
2286 	nxgep->rx_rbr_rings =
2287 	    KMEM_ZALLOC(sizeof (rx_rbr_rings_t), KM_SLEEP);
2288 	nxgep->rx_rbr_rings->rbr_rings =
2289 	    KMEM_ZALLOC(sizeof (p_rx_rbr_ring_t) * rdc_max, KM_SLEEP);
2290 	nxgep->rx_rcr_rings =
2291 	    KMEM_ZALLOC(sizeof (rx_rcr_rings_t), KM_SLEEP);
2292 	nxgep->rx_rcr_rings->rcr_rings =
2293 	    KMEM_ZALLOC(sizeof (p_rx_rcr_ring_t) * rdc_max, KM_SLEEP);
2294 	nxgep->rx_mbox_areas_p =
2295 	    KMEM_ZALLOC(sizeof (rx_mbox_areas_t), KM_SLEEP);
2296 	nxgep->rx_mbox_areas_p->rxmbox_areas =
2297 	    KMEM_ZALLOC(sizeof (p_rx_mbox_t) * rdc_max, KM_SLEEP);
2298 
2299 	nxgep->rx_rbr_rings->ndmas = nxgep->rx_rcr_rings->ndmas =
2300 	    p_cfgp->max_rdcs;
2301 
2302 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2303 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2304 
2305 nxge_alloc_rx_mem_pool_exit:
2306 	return (status);
2307 }
2308 
2309 /*
2310  * nxge_alloc_rxb
2311  *
2312  *	Allocate buffers for an RDC.
2313  *
2314  * Arguments:
2315  * 	nxgep
2316  * 	channel	The channel to map into our kernel space.
2317  *
2318  * Notes:
2319  *
2320  * NPI function calls:
2321  *
2322  * NXGE function calls:
2323  *
2324  * Registers accessed:
2325  *
2326  * Context:
2327  *
2328  * Taking apart:
2329  *
2330  * Open questions:
2331  *
2332  */
2333 nxge_status_t
2334 nxge_alloc_rxb(
2335 	p_nxge_t nxgep,
2336 	int channel)
2337 {
2338 	size_t			rx_buf_alloc_size;
2339 	nxge_status_t		status = NXGE_OK;
2340 
2341 	nxge_dma_common_t	**data;
2342 	nxge_dma_common_t	**control;
2343 	uint32_t 		*num_chunks;
2344 
2345 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2346 
2347 	/*
2348 	 * Allocate memory for the receive buffers and descriptor rings.
2349 	 * Replace these allocation functions with the interface functions
2350 	 * provided by the partition manager if/when they are available.
2351 	 */
2352 
2353 	/*
2354 	 * Allocate memory for the receive buffer blocks.
2355 	 */
2356 	rx_buf_alloc_size = (nxgep->rx_default_block_size *
2357 	    (nxgep->nxge_port_rbr_size + nxgep->nxge_port_rbr_spare_size));
2358 
2359 	data = &nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2360 	num_chunks = &nxgep->rx_buf_pool_p->num_chunks[channel];
2361 
2362 	if ((status = nxge_alloc_rx_buf_dma(
2363 	    nxgep, channel, data, rx_buf_alloc_size,
2364 	    nxgep->rx_default_block_size, num_chunks)) != NXGE_OK) {
2365 		return (status);
2366 	}
2367 
2368 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_alloc_rxb(): "
2369 	    "dma %d dma_buf_p %llx &dma_buf_p %llx", channel, *data, data));
2370 
2371 	/*
2372 	 * Allocate memory for descriptor rings and mailbox.
2373 	 */
2374 	control = &nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2375 
2376 	if ((status = nxge_alloc_rx_cntl_dma(
2377 	    nxgep, channel, control, nxgep->nxge_port_rx_cntl_alloc_size))
2378 	    != NXGE_OK) {
2379 		nxge_free_rx_cntl_dma(nxgep, *control);
2380 		(*data)->buf_alloc_state |= BUF_ALLOCATED_WAIT_FREE;
2381 		nxge_free_rx_buf_dma(nxgep, *data, *num_chunks);
2382 		return (status);
2383 	}
2384 
2385 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2386 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2387 
2388 	return (status);
2389 }
2390 
2391 void
2392 nxge_free_rxb(
2393 	p_nxge_t nxgep,
2394 	int channel)
2395 {
2396 	nxge_dma_common_t	*data;
2397 	nxge_dma_common_t	*control;
2398 	uint32_t 		num_chunks;
2399 
2400 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2401 
2402 	data = nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2403 	num_chunks = nxgep->rx_buf_pool_p->num_chunks[channel];
2404 	nxge_free_rx_buf_dma(nxgep, data, num_chunks);
2405 
2406 	nxgep->rx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2407 	nxgep->rx_buf_pool_p->num_chunks[channel] = 0;
2408 
2409 	control = nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2410 	nxge_free_rx_cntl_dma(nxgep, control);
2411 
2412 	nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2413 
2414 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2415 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2416 
2417 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_alloc_rbb"));
2418 }
2419 
2420 static void
2421 nxge_free_rx_mem_pool(p_nxge_t nxgep)
2422 {
2423 	int rdc_max = NXGE_MAX_RDCS;
2424 
2425 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_mem_pool"));
2426 
2427 	if (!nxgep->rx_buf_pool_p || !nxgep->rx_buf_pool_p->buf_allocated) {
2428 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2429 		    "<== nxge_free_rx_mem_pool "
2430 		    "(null rx buf pool or buf not allocated"));
2431 		return;
2432 	}
2433 	if (!nxgep->rx_cntl_pool_p || !nxgep->rx_cntl_pool_p->buf_allocated) {
2434 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2435 		    "<== nxge_free_rx_mem_pool "
2436 		    "(null rx cntl buf pool or cntl buf not allocated"));
2437 		return;
2438 	}
2439 
2440 	KMEM_FREE(nxgep->rx_cntl_pool_p->dma_buf_pool_p,
2441 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2442 	KMEM_FREE(nxgep->rx_cntl_pool_p, sizeof (nxge_dma_pool_t));
2443 
2444 	KMEM_FREE(nxgep->rx_buf_pool_p->num_chunks,
2445 	    sizeof (uint32_t) * rdc_max);
2446 	KMEM_FREE(nxgep->rx_buf_pool_p->dma_buf_pool_p,
2447 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2448 	KMEM_FREE(nxgep->rx_buf_pool_p, sizeof (nxge_dma_pool_t));
2449 
2450 	nxgep->rx_buf_pool_p = 0;
2451 	nxgep->rx_cntl_pool_p = 0;
2452 
2453 	KMEM_FREE(nxgep->rx_rbr_rings->rbr_rings,
2454 	    sizeof (p_rx_rbr_ring_t) * rdc_max);
2455 	KMEM_FREE(nxgep->rx_rbr_rings, sizeof (rx_rbr_rings_t));
2456 	KMEM_FREE(nxgep->rx_rcr_rings->rcr_rings,
2457 	    sizeof (p_rx_rcr_ring_t) * rdc_max);
2458 	KMEM_FREE(nxgep->rx_rcr_rings, sizeof (rx_rcr_rings_t));
2459 	KMEM_FREE(nxgep->rx_mbox_areas_p->rxmbox_areas,
2460 	    sizeof (p_rx_mbox_t) * rdc_max);
2461 	KMEM_FREE(nxgep->rx_mbox_areas_p, sizeof (rx_mbox_areas_t));
2462 
2463 	nxgep->rx_rbr_rings = 0;
2464 	nxgep->rx_rcr_rings = 0;
2465 	nxgep->rx_mbox_areas_p = 0;
2466 
2467 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_rx_mem_pool"));
2468 }
2469 
2470 
2471 static nxge_status_t
2472 nxge_alloc_rx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2473 	p_nxge_dma_common_t *dmap,
2474 	size_t alloc_size, size_t block_size, uint32_t *num_chunks)
2475 {
2476 	p_nxge_dma_common_t 	rx_dmap;
2477 	nxge_status_t		status = NXGE_OK;
2478 	size_t			total_alloc_size;
2479 	size_t			allocated = 0;
2480 	int			i, size_index, array_size;
2481 	boolean_t		use_kmem_alloc = B_FALSE;
2482 
2483 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_buf_dma"));
2484 
2485 	rx_dmap = (p_nxge_dma_common_t)
2486 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2487 	    KM_SLEEP);
2488 
2489 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2490 	    " alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
2491 	    dma_channel, alloc_size, block_size, dmap));
2492 
2493 	total_alloc_size = alloc_size;
2494 
2495 #if defined(RX_USE_RECLAIM_POST)
2496 	total_alloc_size = alloc_size + alloc_size/4;
2497 #endif
2498 
2499 	i = 0;
2500 	size_index = 0;
2501 	array_size =  sizeof (alloc_sizes)/sizeof (size_t);
2502 	while ((alloc_sizes[size_index] < alloc_size) &&
2503 	    (size_index < array_size))
2504 		size_index++;
2505 	if (size_index >= array_size) {
2506 		size_index = array_size - 1;
2507 	}
2508 
2509 	/* For Neptune, use kmem_alloc if the kmem flag is set. */
2510 	if (nxgep->niu_type != N2_NIU && nxge_use_kmem_alloc) {
2511 		use_kmem_alloc = B_TRUE;
2512 #if defined(__i386) || defined(__amd64)
2513 		size_index = 0;
2514 #endif
2515 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2516 		    "==> nxge_alloc_rx_buf_dma: "
2517 		    "Neptune use kmem_alloc() - size_index %d",
2518 		    size_index));
2519 	}
2520 
2521 	while ((allocated < total_alloc_size) &&
2522 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2523 		rx_dmap[i].dma_chunk_index = i;
2524 		rx_dmap[i].block_size = block_size;
2525 		rx_dmap[i].alength = alloc_sizes[size_index];
2526 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
2527 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2528 		rx_dmap[i].dma_channel = dma_channel;
2529 		rx_dmap[i].contig_alloc_type = B_FALSE;
2530 		rx_dmap[i].kmem_alloc_type = B_FALSE;
2531 		rx_dmap[i].buf_alloc_type = DDI_MEM_ALLOC;
2532 
2533 		/*
2534 		 * N2/NIU: data buffers must be contiguous as the driver
2535 		 *	   needs to call Hypervisor api to set up
2536 		 *	   logical pages.
2537 		 */
2538 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2539 			rx_dmap[i].contig_alloc_type = B_TRUE;
2540 			rx_dmap[i].buf_alloc_type = CONTIG_MEM_ALLOC;
2541 		} else if (use_kmem_alloc) {
2542 			/* For Neptune, use kmem_alloc */
2543 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2544 			    "==> nxge_alloc_rx_buf_dma: "
2545 			    "Neptune use kmem_alloc()"));
2546 			rx_dmap[i].kmem_alloc_type = B_TRUE;
2547 			rx_dmap[i].buf_alloc_type = KMEM_ALLOC;
2548 		}
2549 
2550 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2551 		    "alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
2552 		    "i %d nblocks %d alength %d",
2553 		    dma_channel, i, &rx_dmap[i], block_size,
2554 		    i, rx_dmap[i].nblocks,
2555 		    rx_dmap[i].alength));
2556 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2557 		    &nxge_rx_dma_attr,
2558 		    rx_dmap[i].alength,
2559 		    &nxge_dev_buf_dma_acc_attr,
2560 		    DDI_DMA_READ | DDI_DMA_STREAMING,
2561 		    (p_nxge_dma_common_t)(&rx_dmap[i]));
2562 		if (status != NXGE_OK) {
2563 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2564 			    "nxge_alloc_rx_buf_dma: Alloc Failed: "
2565 			    "dma %d size_index %d size requested %d",
2566 			    dma_channel,
2567 			    size_index,
2568 			    rx_dmap[i].alength));
2569 			size_index--;
2570 		} else {
2571 			rx_dmap[i].buf_alloc_state = BUF_ALLOCATED;
2572 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2573 			    " nxge_alloc_rx_buf_dma DONE  alloc mem: "
2574 			    "dma %d dma_buf_p $%p kaddrp $%p alength %d "
2575 			    "buf_alloc_state %d alloc_type %d",
2576 			    dma_channel,
2577 			    &rx_dmap[i],
2578 			    rx_dmap[i].kaddrp,
2579 			    rx_dmap[i].alength,
2580 			    rx_dmap[i].buf_alloc_state,
2581 			    rx_dmap[i].buf_alloc_type));
2582 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2583 			    " alloc_rx_buf_dma allocated rdc %d "
2584 			    "chunk %d size %x dvma %x bufp %llx kaddrp $%p",
2585 			    dma_channel, i, rx_dmap[i].alength,
2586 			    rx_dmap[i].ioaddr_pp, &rx_dmap[i],
2587 			    rx_dmap[i].kaddrp));
2588 			i++;
2589 			allocated += alloc_sizes[size_index];
2590 		}
2591 	}
2592 
2593 	if (allocated < total_alloc_size) {
2594 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2595 		    "==> nxge_alloc_rx_buf_dma: not enough for channel %d "
2596 		    "allocated 0x%x requested 0x%x",
2597 		    dma_channel,
2598 		    allocated, total_alloc_size));
2599 		status = NXGE_ERROR;
2600 		goto nxge_alloc_rx_mem_fail1;
2601 	}
2602 
2603 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2604 	    "==> nxge_alloc_rx_buf_dma: Allocated for channel %d "
2605 	    "allocated 0x%x requested 0x%x",
2606 	    dma_channel,
2607 	    allocated, total_alloc_size));
2608 
2609 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2610 	    " alloc_rx_buf_dma rdc %d allocated %d chunks",
2611 	    dma_channel, i));
2612 	*num_chunks = i;
2613 	*dmap = rx_dmap;
2614 
2615 	goto nxge_alloc_rx_mem_exit;
2616 
2617 nxge_alloc_rx_mem_fail1:
2618 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2619 
2620 nxge_alloc_rx_mem_exit:
2621 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2622 	    "<== nxge_alloc_rx_buf_dma status 0x%08x", status));
2623 
2624 	return (status);
2625 }
2626 
2627 /*ARGSUSED*/
2628 static void
2629 nxge_free_rx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2630     uint32_t num_chunks)
2631 {
2632 	int		i;
2633 
2634 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2635 	    "==> nxge_free_rx_buf_dma: # of chunks %d", num_chunks));
2636 
2637 	if (dmap == 0)
2638 		return;
2639 
2640 	for (i = 0; i < num_chunks; i++) {
2641 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2642 		    "==> nxge_free_rx_buf_dma: chunk %d dmap 0x%llx",
2643 		    i, dmap));
2644 		nxge_dma_free_rx_data_buf(dmap++);
2645 	}
2646 
2647 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_buf_dma"));
2648 }
2649 
2650 /*ARGSUSED*/
2651 static nxge_status_t
2652 nxge_alloc_rx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2653     p_nxge_dma_common_t *dmap, size_t size)
2654 {
2655 	p_nxge_dma_common_t 	rx_dmap;
2656 	nxge_status_t		status = NXGE_OK;
2657 
2658 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_cntl_dma"));
2659 
2660 	rx_dmap = (p_nxge_dma_common_t)
2661 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2662 
2663 	rx_dmap->contig_alloc_type = B_FALSE;
2664 	rx_dmap->kmem_alloc_type = B_FALSE;
2665 
2666 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2667 	    &nxge_desc_dma_attr,
2668 	    size,
2669 	    &nxge_dev_desc_dma_acc_attr,
2670 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2671 	    rx_dmap);
2672 	if (status != NXGE_OK) {
2673 		goto nxge_alloc_rx_cntl_dma_fail1;
2674 	}
2675 
2676 	*dmap = rx_dmap;
2677 	goto nxge_alloc_rx_cntl_dma_exit;
2678 
2679 nxge_alloc_rx_cntl_dma_fail1:
2680 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t));
2681 
2682 nxge_alloc_rx_cntl_dma_exit:
2683 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2684 	    "<== nxge_alloc_rx_cntl_dma status 0x%08x", status));
2685 
2686 	return (status);
2687 }
2688 
2689 /*ARGSUSED*/
2690 static void
2691 nxge_free_rx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2692 {
2693 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_rx_cntl_dma"));
2694 
2695 	if (dmap == 0)
2696 		return;
2697 
2698 	nxge_dma_mem_free(dmap);
2699 
2700 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_rx_cntl_dma"));
2701 }
2702 
2703 typedef struct {
2704 	size_t	tx_size;
2705 	size_t	cr_size;
2706 	size_t	threshhold;
2707 } nxge_tdc_sizes_t;
2708 
2709 static
2710 nxge_status_t
2711 nxge_tdc_sizes(
2712 	nxge_t *nxgep,
2713 	nxge_tdc_sizes_t *sizes)
2714 {
2715 	uint32_t threshhold;	/* The bcopy() threshhold */
2716 	size_t tx_size;		/* Transmit buffer size */
2717 	size_t cr_size;		/* Completion ring size */
2718 
2719 	/*
2720 	 * Assume that each DMA channel will be configured with the
2721 	 * default transmit buffer size for copying transmit data.
2722 	 * (If a packet is bigger than this, it will not be copied.)
2723 	 */
2724 	if (nxgep->niu_type == N2_NIU) {
2725 		threshhold = TX_BCOPY_SIZE;
2726 	} else {
2727 		threshhold = nxge_bcopy_thresh;
2728 	}
2729 	tx_size = nxge_tx_ring_size * threshhold;
2730 
2731 	cr_size = nxge_tx_ring_size * sizeof (tx_desc_t);
2732 	cr_size += sizeof (txdma_mailbox_t);
2733 
2734 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2735 	if (nxgep->niu_type == N2_NIU) {
2736 		if (!ISP2(tx_size)) {
2737 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2738 			    "==> nxge_tdc_sizes: Tx size"
2739 			    " must be power of 2"));
2740 			return (NXGE_ERROR);
2741 		}
2742 
2743 		if (tx_size > (1 << 22)) {
2744 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2745 			    "==> nxge_tdc_sizes: Tx size"
2746 			    " limited to 4M"));
2747 			return (NXGE_ERROR);
2748 		}
2749 
2750 		if (cr_size < 0x2000)
2751 			cr_size = 0x2000;
2752 	}
2753 #endif
2754 
2755 	sizes->threshhold = threshhold;
2756 	sizes->tx_size = tx_size;
2757 	sizes->cr_size = cr_size;
2758 
2759 	return (NXGE_OK);
2760 }
2761 /*
2762  * nxge_alloc_txb
2763  *
2764  *	Allocate buffers for an TDC.
2765  *
2766  * Arguments:
2767  * 	nxgep
2768  * 	channel	The channel to map into our kernel space.
2769  *
2770  * Notes:
2771  *
2772  * NPI function calls:
2773  *
2774  * NXGE function calls:
2775  *
2776  * Registers accessed:
2777  *
2778  * Context:
2779  *
2780  * Taking apart:
2781  *
2782  * Open questions:
2783  *
2784  */
2785 nxge_status_t
2786 nxge_alloc_txb(
2787 	p_nxge_t nxgep,
2788 	int channel)
2789 {
2790 	nxge_dma_common_t	**dma_buf_p;
2791 	nxge_dma_common_t	**dma_cntl_p;
2792 	uint32_t 		*num_chunks;
2793 	nxge_status_t		status = NXGE_OK;
2794 
2795 	nxge_tdc_sizes_t	sizes;
2796 
2797 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tbb"));
2798 
2799 	if (nxge_tdc_sizes(nxgep, &sizes) != NXGE_OK)
2800 		return (NXGE_ERROR);
2801 
2802 	/*
2803 	 * Allocate memory for transmit buffers and descriptor rings.
2804 	 * Replace these allocation functions with the interface functions
2805 	 * provided by the partition manager Real Soon Now.
2806 	 */
2807 	dma_buf_p = &nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2808 	num_chunks = &nxgep->tx_buf_pool_p->num_chunks[channel];
2809 
2810 	dma_cntl_p = &nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2811 
2812 	/*
2813 	 * Allocate memory for transmit buffers and descriptor rings.
2814 	 * Replace allocation functions with interface functions provided
2815 	 * by the partition manager when it is available.
2816 	 *
2817 	 * Allocate memory for the transmit buffer pool.
2818 	 */
2819 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2820 	    "sizes: tx: %ld, cr:%ld, th:%ld",
2821 	    sizes.tx_size, sizes.cr_size, sizes.threshhold));
2822 
2823 	*num_chunks = 0;
2824 	status = nxge_alloc_tx_buf_dma(nxgep, channel, dma_buf_p,
2825 	    sizes.tx_size, sizes.threshhold, num_chunks);
2826 	if (status != NXGE_OK) {
2827 		cmn_err(CE_NOTE, "nxge_alloc_tx_buf_dma failed!");
2828 		return (status);
2829 	}
2830 
2831 	/*
2832 	 * Allocate memory for descriptor rings and mailbox.
2833 	 */
2834 	status = nxge_alloc_tx_cntl_dma(nxgep, channel, dma_cntl_p,
2835 	    sizes.cr_size);
2836 	if (status != NXGE_OK) {
2837 		nxge_free_tx_buf_dma(nxgep, *dma_buf_p, *num_chunks);
2838 		cmn_err(CE_NOTE, "nxge_alloc_tx_cntl_dma failed!");
2839 		return (status);
2840 	}
2841 
2842 	return (NXGE_OK);
2843 }
2844 
2845 void
2846 nxge_free_txb(
2847 	p_nxge_t nxgep,
2848 	int channel)
2849 {
2850 	nxge_dma_common_t	*data;
2851 	nxge_dma_common_t	*control;
2852 	uint32_t 		num_chunks;
2853 
2854 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_txb"));
2855 
2856 	data = nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2857 	num_chunks = nxgep->tx_buf_pool_p->num_chunks[channel];
2858 	nxge_free_tx_buf_dma(nxgep, data, num_chunks);
2859 
2860 	nxgep->tx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2861 	nxgep->tx_buf_pool_p->num_chunks[channel] = 0;
2862 
2863 	control = nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2864 	nxge_free_tx_cntl_dma(nxgep, control);
2865 
2866 	nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2867 
2868 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2869 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2870 
2871 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_txb"));
2872 }
2873 
2874 /*
2875  * nxge_alloc_tx_mem_pool
2876  *
2877  *	This function allocates all of the per-port TDC control data structures.
2878  *	The per-channel (TDC) data structures are allocated when needed.
2879  *
2880  * Arguments:
2881  * 	nxgep
2882  *
2883  * Notes:
2884  *
2885  * Context:
2886  *	Any domain
2887  */
2888 nxge_status_t
2889 nxge_alloc_tx_mem_pool(p_nxge_t nxgep)
2890 {
2891 	nxge_hw_pt_cfg_t	*p_cfgp;
2892 	nxge_dma_pool_t		*dma_poolp;
2893 	nxge_dma_common_t	**dma_buf_p;
2894 	nxge_dma_pool_t		*dma_cntl_poolp;
2895 	nxge_dma_common_t	**dma_cntl_p;
2896 	uint32_t		*num_chunks; /* per dma */
2897 	int			tdc_max;
2898 
2899 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool"));
2900 
2901 	p_cfgp = &nxgep->pt_config.hw_config;
2902 	tdc_max = NXGE_MAX_TDCS;
2903 
2904 	/*
2905 	 * Allocate memory for each transmit DMA channel.
2906 	 */
2907 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2908 	    KM_SLEEP);
2909 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2910 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2911 
2912 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2913 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2914 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2915 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2916 
2917 	if (nxge_tx_ring_size > TDC_DEFAULT_MAX) {
2918 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2919 		    "nxge_alloc_tx_mem_pool: TDC too high %d, "
2920 		    "set to default %d",
2921 		    nxge_tx_ring_size, TDC_DEFAULT_MAX));
2922 		nxge_tx_ring_size = TDC_DEFAULT_MAX;
2923 	}
2924 
2925 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2926 	/*
2927 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2928 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2929 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2930 	 * function). The transmit ring is limited to 8K (includes the
2931 	 * mailbox).
2932 	 */
2933 	if (nxgep->niu_type == N2_NIU) {
2934 		if ((nxge_tx_ring_size > NXGE_NIU_CONTIG_TX_MAX) ||
2935 		    (!ISP2(nxge_tx_ring_size))) {
2936 			nxge_tx_ring_size = NXGE_NIU_CONTIG_TX_MAX;
2937 		}
2938 	}
2939 #endif
2940 
2941 	nxgep->nxge_port_tx_ring_size = nxge_tx_ring_size;
2942 
2943 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2944 	    sizeof (uint32_t) * tdc_max, KM_SLEEP);
2945 
2946 	dma_poolp->ndmas = p_cfgp->tdc.owned;
2947 	dma_poolp->num_chunks = num_chunks;
2948 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2949 	nxgep->tx_buf_pool_p = dma_poolp;
2950 
2951 	dma_poolp->buf_allocated = B_TRUE;
2952 
2953 	dma_cntl_poolp->ndmas = p_cfgp->tdc.owned;
2954 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2955 	nxgep->tx_cntl_pool_p = dma_cntl_poolp;
2956 
2957 	dma_cntl_poolp->buf_allocated = B_TRUE;
2958 
2959 	nxgep->tx_rings =
2960 	    KMEM_ZALLOC(sizeof (tx_rings_t), KM_SLEEP);
2961 	nxgep->tx_rings->rings =
2962 	    KMEM_ZALLOC(sizeof (p_tx_ring_t) * tdc_max, KM_SLEEP);
2963 	nxgep->tx_mbox_areas_p =
2964 	    KMEM_ZALLOC(sizeof (tx_mbox_areas_t), KM_SLEEP);
2965 	nxgep->tx_mbox_areas_p->txmbox_areas_p =
2966 	    KMEM_ZALLOC(sizeof (p_tx_mbox_t) * tdc_max, KM_SLEEP);
2967 
2968 	nxgep->tx_rings->ndmas = p_cfgp->tdc.owned;
2969 
2970 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2971 	    "==> nxge_alloc_tx_mem_pool: ndmas %d poolp->ndmas %d",
2972 	    tdc_max, dma_poolp->ndmas));
2973 
2974 	return (NXGE_OK);
2975 }
2976 
2977 nxge_status_t
2978 nxge_alloc_tx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2979     p_nxge_dma_common_t *dmap, size_t alloc_size,
2980     size_t block_size, uint32_t *num_chunks)
2981 {
2982 	p_nxge_dma_common_t 	tx_dmap;
2983 	nxge_status_t		status = NXGE_OK;
2984 	size_t			total_alloc_size;
2985 	size_t			allocated = 0;
2986 	int			i, size_index, array_size;
2987 
2988 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_buf_dma"));
2989 
2990 	tx_dmap = (p_nxge_dma_common_t)
2991 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2992 	    KM_SLEEP);
2993 
2994 	total_alloc_size = alloc_size;
2995 	i = 0;
2996 	size_index = 0;
2997 	array_size =  sizeof (alloc_sizes) /  sizeof (size_t);
2998 	while ((alloc_sizes[size_index] < alloc_size) &&
2999 	    (size_index < array_size))
3000 		size_index++;
3001 	if (size_index >= array_size) {
3002 		size_index = array_size - 1;
3003 	}
3004 
3005 	while ((allocated < total_alloc_size) &&
3006 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
3007 
3008 		tx_dmap[i].dma_chunk_index = i;
3009 		tx_dmap[i].block_size = block_size;
3010 		tx_dmap[i].alength = alloc_sizes[size_index];
3011 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
3012 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
3013 		tx_dmap[i].dma_channel = dma_channel;
3014 		tx_dmap[i].contig_alloc_type = B_FALSE;
3015 		tx_dmap[i].kmem_alloc_type = B_FALSE;
3016 
3017 		/*
3018 		 * N2/NIU: data buffers must be contiguous as the driver
3019 		 *	   needs to call Hypervisor api to set up
3020 		 *	   logical pages.
3021 		 */
3022 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
3023 			tx_dmap[i].contig_alloc_type = B_TRUE;
3024 		}
3025 
3026 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
3027 		    &nxge_tx_dma_attr,
3028 		    tx_dmap[i].alength,
3029 		    &nxge_dev_buf_dma_acc_attr,
3030 		    DDI_DMA_WRITE | DDI_DMA_STREAMING,
3031 		    (p_nxge_dma_common_t)(&tx_dmap[i]));
3032 		if (status != NXGE_OK) {
3033 			size_index--;
3034 		} else {
3035 			i++;
3036 			allocated += alloc_sizes[size_index];
3037 		}
3038 	}
3039 
3040 	if (allocated < total_alloc_size) {
3041 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3042 		    "==> nxge_alloc_tx_buf_dma: not enough channel %d: "
3043 		    "allocated 0x%x requested 0x%x",
3044 		    dma_channel,
3045 		    allocated, total_alloc_size));
3046 		status = NXGE_ERROR;
3047 		goto nxge_alloc_tx_mem_fail1;
3048 	}
3049 
3050 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3051 	    "==> nxge_alloc_tx_buf_dma: Allocated for channel %d: "
3052 	    "allocated 0x%x requested 0x%x",
3053 	    dma_channel,
3054 	    allocated, total_alloc_size));
3055 
3056 	*num_chunks = i;
3057 	*dmap = tx_dmap;
3058 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3059 	    "==> nxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
3060 	    *dmap, i));
3061 	goto nxge_alloc_tx_mem_exit;
3062 
3063 nxge_alloc_tx_mem_fail1:
3064 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
3065 
3066 nxge_alloc_tx_mem_exit:
3067 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3068 	    "<== nxge_alloc_tx_buf_dma status 0x%08x", status));
3069 
3070 	return (status);
3071 }
3072 
3073 /*ARGSUSED*/
3074 static void
3075 nxge_free_tx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
3076     uint32_t num_chunks)
3077 {
3078 	int		i;
3079 
3080 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_tx_buf_dma"));
3081 
3082 	if (dmap == 0)
3083 		return;
3084 
3085 	for (i = 0; i < num_chunks; i++) {
3086 		nxge_dma_mem_free(dmap++);
3087 	}
3088 
3089 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_tx_buf_dma"));
3090 }
3091 
3092 /*ARGSUSED*/
3093 nxge_status_t
3094 nxge_alloc_tx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
3095     p_nxge_dma_common_t *dmap, size_t size)
3096 {
3097 	p_nxge_dma_common_t 	tx_dmap;
3098 	nxge_status_t		status = NXGE_OK;
3099 
3100 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_cntl_dma"));
3101 	tx_dmap = (p_nxge_dma_common_t)
3102 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
3103 
3104 	tx_dmap->contig_alloc_type = B_FALSE;
3105 	tx_dmap->kmem_alloc_type = B_FALSE;
3106 
3107 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
3108 	    &nxge_desc_dma_attr,
3109 	    size,
3110 	    &nxge_dev_desc_dma_acc_attr,
3111 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
3112 	    tx_dmap);
3113 	if (status != NXGE_OK) {
3114 		goto nxge_alloc_tx_cntl_dma_fail1;
3115 	}
3116 
3117 	*dmap = tx_dmap;
3118 	goto nxge_alloc_tx_cntl_dma_exit;
3119 
3120 nxge_alloc_tx_cntl_dma_fail1:
3121 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t));
3122 
3123 nxge_alloc_tx_cntl_dma_exit:
3124 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3125 	    "<== nxge_alloc_tx_cntl_dma status 0x%08x", status));
3126 
3127 	return (status);
3128 }
3129 
3130 /*ARGSUSED*/
3131 static void
3132 nxge_free_tx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
3133 {
3134 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_tx_cntl_dma"));
3135 
3136 	if (dmap == 0)
3137 		return;
3138 
3139 	nxge_dma_mem_free(dmap);
3140 
3141 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_tx_cntl_dma"));
3142 }
3143 
3144 /*
3145  * nxge_free_tx_mem_pool
3146  *
3147  *	This function frees all of the per-port TDC control data structures.
3148  *	The per-channel (TDC) data structures are freed when the channel
3149  *	is stopped.
3150  *
3151  * Arguments:
3152  * 	nxgep
3153  *
3154  * Notes:
3155  *
3156  * Context:
3157  *	Any domain
3158  */
3159 static void
3160 nxge_free_tx_mem_pool(p_nxge_t nxgep)
3161 {
3162 	int tdc_max = NXGE_MAX_TDCS;
3163 
3164 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_tx_mem_pool"));
3165 
3166 	if (!nxgep->tx_buf_pool_p || !nxgep->tx_buf_pool_p->buf_allocated) {
3167 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3168 		    "<== nxge_free_tx_mem_pool "
3169 		    "(null tx buf pool or buf not allocated"));
3170 		return;
3171 	}
3172 	if (!nxgep->tx_cntl_pool_p || !nxgep->tx_cntl_pool_p->buf_allocated) {
3173 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3174 		    "<== nxge_free_tx_mem_pool "
3175 		    "(null tx cntl buf pool or cntl buf not allocated"));
3176 		return;
3177 	}
3178 
3179 	/* 1. Free the mailboxes. */
3180 	KMEM_FREE(nxgep->tx_mbox_areas_p->txmbox_areas_p,
3181 	    sizeof (p_tx_mbox_t) * tdc_max);
3182 	KMEM_FREE(nxgep->tx_mbox_areas_p, sizeof (tx_mbox_areas_t));
3183 
3184 	nxgep->tx_mbox_areas_p = 0;
3185 
3186 	/* 2. Free the transmit ring arrays. */
3187 	KMEM_FREE(nxgep->tx_rings->rings,
3188 	    sizeof (p_tx_ring_t) * tdc_max);
3189 	KMEM_FREE(nxgep->tx_rings, sizeof (tx_rings_t));
3190 
3191 	nxgep->tx_rings = 0;
3192 
3193 	/* 3. Free the completion ring data structures. */
3194 	KMEM_FREE(nxgep->tx_cntl_pool_p->dma_buf_pool_p,
3195 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3196 	KMEM_FREE(nxgep->tx_cntl_pool_p, sizeof (nxge_dma_pool_t));
3197 
3198 	nxgep->tx_cntl_pool_p = 0;
3199 
3200 	/* 4. Free the data ring data structures. */
3201 	KMEM_FREE(nxgep->tx_buf_pool_p->num_chunks,
3202 	    sizeof (uint32_t) * tdc_max);
3203 	KMEM_FREE(nxgep->tx_buf_pool_p->dma_buf_pool_p,
3204 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3205 	KMEM_FREE(nxgep->tx_buf_pool_p, sizeof (nxge_dma_pool_t));
3206 
3207 	nxgep->tx_buf_pool_p = 0;
3208 
3209 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_tx_mem_pool"));
3210 }
3211 
3212 /*ARGSUSED*/
3213 static nxge_status_t
3214 nxge_dma_mem_alloc(p_nxge_t nxgep, dma_method_t method,
3215 	struct ddi_dma_attr *dma_attrp,
3216 	size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
3217 	p_nxge_dma_common_t dma_p)
3218 {
3219 	caddr_t 		kaddrp;
3220 	int			ddi_status = DDI_SUCCESS;
3221 	boolean_t		contig_alloc_type;
3222 	boolean_t		kmem_alloc_type;
3223 
3224 	contig_alloc_type = dma_p->contig_alloc_type;
3225 
3226 	if (contig_alloc_type && (nxgep->niu_type != N2_NIU)) {
3227 		/*
3228 		 * contig_alloc_type for contiguous memory only allowed
3229 		 * for N2/NIU.
3230 		 */
3231 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3232 		    "nxge_dma_mem_alloc: alloc type not allowed (%d)",
3233 		    dma_p->contig_alloc_type));
3234 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3235 	}
3236 
3237 	dma_p->dma_handle = NULL;
3238 	dma_p->acc_handle = NULL;
3239 	dma_p->kaddrp = dma_p->last_kaddrp = NULL;
3240 	dma_p->first_ioaddr_pp = dma_p->last_ioaddr_pp = NULL;
3241 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, dma_attrp,
3242 	    DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
3243 	if (ddi_status != DDI_SUCCESS) {
3244 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3245 		    "nxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
3246 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3247 	}
3248 
3249 	kmem_alloc_type = dma_p->kmem_alloc_type;
3250 
3251 	switch (contig_alloc_type) {
3252 	case B_FALSE:
3253 		switch (kmem_alloc_type) {
3254 		case B_FALSE:
3255 			ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle,
3256 			    length,
3257 			    acc_attr_p,
3258 			    xfer_flags,
3259 			    DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
3260 			    &dma_p->acc_handle);
3261 			if (ddi_status != DDI_SUCCESS) {
3262 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3263 				    "nxge_dma_mem_alloc: "
3264 				    "ddi_dma_mem_alloc failed"));
3265 				ddi_dma_free_handle(&dma_p->dma_handle);
3266 				dma_p->dma_handle = NULL;
3267 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3268 			}
3269 			if (dma_p->alength < length) {
3270 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3271 				    "nxge_dma_mem_alloc:di_dma_mem_alloc "
3272 				    "< length."));
3273 				ddi_dma_mem_free(&dma_p->acc_handle);
3274 				ddi_dma_free_handle(&dma_p->dma_handle);
3275 				dma_p->acc_handle = NULL;
3276 				dma_p->dma_handle = NULL;
3277 				return (NXGE_ERROR);
3278 			}
3279 
3280 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3281 			    NULL,
3282 			    kaddrp, dma_p->alength, xfer_flags,
3283 			    DDI_DMA_DONTWAIT,
3284 			    0, &dma_p->dma_cookie, &dma_p->ncookies);
3285 			if (ddi_status != DDI_DMA_MAPPED) {
3286 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3287 				    "nxge_dma_mem_alloc: ddi_dma_addr_bind "
3288 				    "failed "
3289 				    "(staus 0x%x ncookies %d.)", ddi_status,
3290 				    dma_p->ncookies));
3291 				if (dma_p->acc_handle) {
3292 					ddi_dma_mem_free(&dma_p->acc_handle);
3293 					dma_p->acc_handle = NULL;
3294 				}
3295 				ddi_dma_free_handle(&dma_p->dma_handle);
3296 				dma_p->dma_handle = NULL;
3297 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3298 			}
3299 
3300 			if (dma_p->ncookies != 1) {
3301 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3302 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3303 				    "> 1 cookie"
3304 				    "(staus 0x%x ncookies %d.)", ddi_status,
3305 				    dma_p->ncookies));
3306 				if (dma_p->acc_handle) {
3307 					ddi_dma_mem_free(&dma_p->acc_handle);
3308 					dma_p->acc_handle = NULL;
3309 				}
3310 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3311 				ddi_dma_free_handle(&dma_p->dma_handle);
3312 				dma_p->dma_handle = NULL;
3313 				return (NXGE_ERROR);
3314 			}
3315 			break;
3316 
3317 		case B_TRUE:
3318 			kaddrp = KMEM_ALLOC(length, KM_NOSLEEP);
3319 			if (kaddrp == NULL) {
3320 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3321 				    "nxge_dma_mem_alloc:ddi_dma_mem_alloc "
3322 				    "kmem alloc failed"));
3323 				return (NXGE_ERROR);
3324 			}
3325 
3326 			dma_p->alength = length;
3327 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3328 			    NULL, kaddrp, dma_p->alength, xfer_flags,
3329 			    DDI_DMA_DONTWAIT, 0,
3330 			    &dma_p->dma_cookie, &dma_p->ncookies);
3331 			if (ddi_status != DDI_DMA_MAPPED) {
3332 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3333 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind: "
3334 				    "(kmem_alloc) failed kaddrp $%p length %d "
3335 				    "(staus 0x%x (%d) ncookies %d.)",
3336 				    kaddrp, length,
3337 				    ddi_status, ddi_status, dma_p->ncookies));
3338 				KMEM_FREE(kaddrp, length);
3339 				dma_p->acc_handle = NULL;
3340 				ddi_dma_free_handle(&dma_p->dma_handle);
3341 				dma_p->dma_handle = NULL;
3342 				dma_p->kaddrp = NULL;
3343 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3344 			}
3345 
3346 			if (dma_p->ncookies != 1) {
3347 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3348 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3349 				    "(kmem_alloc) > 1 cookie"
3350 				    "(staus 0x%x ncookies %d.)", ddi_status,
3351 				    dma_p->ncookies));
3352 				KMEM_FREE(kaddrp, length);
3353 				dma_p->acc_handle = NULL;
3354 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3355 				ddi_dma_free_handle(&dma_p->dma_handle);
3356 				dma_p->dma_handle = NULL;
3357 				dma_p->kaddrp = NULL;
3358 				return (NXGE_ERROR);
3359 			}
3360 
3361 			dma_p->kaddrp = kaddrp;
3362 
3363 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
3364 			    "nxge_dma_mem_alloc: kmem_alloc dmap $%p "
3365 			    "kaddr $%p alength %d",
3366 			    dma_p,
3367 			    kaddrp,
3368 			    dma_p->alength));
3369 			break;
3370 		}
3371 		break;
3372 
3373 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3374 	case B_TRUE:
3375 		kaddrp = (caddr_t)contig_mem_alloc(length);
3376 		if (kaddrp == NULL) {
3377 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3378 			    "nxge_dma_mem_alloc:contig_mem_alloc failed."));
3379 			ddi_dma_free_handle(&dma_p->dma_handle);
3380 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3381 		}
3382 
3383 		dma_p->alength = length;
3384 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
3385 		    kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
3386 		    &dma_p->dma_cookie, &dma_p->ncookies);
3387 		if (ddi_status != DDI_DMA_MAPPED) {
3388 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3389 			    "nxge_dma_mem_alloc:di_dma_addr_bind failed "
3390 			    "(status 0x%x ncookies %d.)", ddi_status,
3391 			    dma_p->ncookies));
3392 
3393 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3394 			    "==> nxge_dma_mem_alloc: (not mapped)"
3395 			    "length %lu (0x%x) "
3396 			    "free contig kaddrp $%p "
3397 			    "va_to_pa $%p",
3398 			    length, length,
3399 			    kaddrp,
3400 			    va_to_pa(kaddrp)));
3401 
3402 
3403 			contig_mem_free((void *)kaddrp, length);
3404 			ddi_dma_free_handle(&dma_p->dma_handle);
3405 
3406 			dma_p->dma_handle = NULL;
3407 			dma_p->acc_handle = NULL;
3408 			dma_p->alength = NULL;
3409 			dma_p->kaddrp = NULL;
3410 
3411 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3412 		}
3413 
3414 		if (dma_p->ncookies != 1 ||
3415 		    (dma_p->dma_cookie.dmac_laddress == NULL)) {
3416 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3417 			    "nxge_dma_mem_alloc:di_dma_addr_bind > 1 "
3418 			    "cookie or "
3419 			    "dmac_laddress is NULL $%p size %d "
3420 			    " (status 0x%x ncookies %d.)",
3421 			    ddi_status,
3422 			    dma_p->dma_cookie.dmac_laddress,
3423 			    dma_p->dma_cookie.dmac_size,
3424 			    dma_p->ncookies));
3425 
3426 			contig_mem_free((void *)kaddrp, length);
3427 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3428 			ddi_dma_free_handle(&dma_p->dma_handle);
3429 
3430 			dma_p->alength = 0;
3431 			dma_p->dma_handle = NULL;
3432 			dma_p->acc_handle = NULL;
3433 			dma_p->kaddrp = NULL;
3434 
3435 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3436 		}
3437 		break;
3438 
3439 #else
3440 	case B_TRUE:
3441 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3442 		    "nxge_dma_mem_alloc: invalid alloc type for !sun4v"));
3443 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3444 #endif
3445 	}
3446 
3447 	dma_p->kaddrp = kaddrp;
3448 	dma_p->last_kaddrp = (unsigned char *)kaddrp +
3449 	    dma_p->alength - RXBUF_64B_ALIGNED;
3450 #if defined(__i386)
3451 	dma_p->ioaddr_pp =
3452 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress;
3453 #else
3454 	dma_p->ioaddr_pp = (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3455 #endif
3456 	dma_p->last_ioaddr_pp =
3457 #if defined(__i386)
3458 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress +
3459 #else
3460 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress +
3461 #endif
3462 	    dma_p->alength - RXBUF_64B_ALIGNED;
3463 
3464 	NPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
3465 
3466 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3467 	dma_p->orig_ioaddr_pp =
3468 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3469 	dma_p->orig_alength = length;
3470 	dma_p->orig_kaddrp = kaddrp;
3471 	dma_p->orig_vatopa = (uint64_t)va_to_pa(kaddrp);
3472 #endif
3473 
3474 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_dma_mem_alloc: "
3475 	    "dma buffer allocated: dma_p $%p "
3476 	    "return dmac_ladress from cookie $%p cookie dmac_size %d "
3477 	    "dma_p->ioaddr_p $%p "
3478 	    "dma_p->orig_ioaddr_p $%p "
3479 	    "orig_vatopa $%p "
3480 	    "alength %d (0x%x) "
3481 	    "kaddrp $%p "
3482 	    "length %d (0x%x)",
3483 	    dma_p,
3484 	    dma_p->dma_cookie.dmac_laddress, dma_p->dma_cookie.dmac_size,
3485 	    dma_p->ioaddr_pp,
3486 	    dma_p->orig_ioaddr_pp,
3487 	    dma_p->orig_vatopa,
3488 	    dma_p->alength, dma_p->alength,
3489 	    kaddrp,
3490 	    length, length));
3491 
3492 	return (NXGE_OK);
3493 }
3494 
3495 static void
3496 nxge_dma_mem_free(p_nxge_dma_common_t dma_p)
3497 {
3498 	if (dma_p->dma_handle != NULL) {
3499 		if (dma_p->ncookies) {
3500 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3501 			dma_p->ncookies = 0;
3502 		}
3503 		ddi_dma_free_handle(&dma_p->dma_handle);
3504 		dma_p->dma_handle = NULL;
3505 	}
3506 
3507 	if (dma_p->acc_handle != NULL) {
3508 		ddi_dma_mem_free(&dma_p->acc_handle);
3509 		dma_p->acc_handle = NULL;
3510 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3511 	}
3512 
3513 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3514 	if (dma_p->contig_alloc_type &&
3515 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3516 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_mem_free: "
3517 		    "kaddrp $%p (orig_kaddrp $%p)"
3518 		    "mem type %d ",
3519 		    "orig_alength %d "
3520 		    "alength 0x%x (%d)",
3521 		    dma_p->kaddrp,
3522 		    dma_p->orig_kaddrp,
3523 		    dma_p->contig_alloc_type,
3524 		    dma_p->orig_alength,
3525 		    dma_p->alength, dma_p->alength));
3526 
3527 		contig_mem_free(dma_p->orig_kaddrp, dma_p->orig_alength);
3528 		dma_p->orig_alength = NULL;
3529 		dma_p->orig_kaddrp = NULL;
3530 		dma_p->contig_alloc_type = B_FALSE;
3531 	}
3532 #endif
3533 	dma_p->kaddrp = NULL;
3534 	dma_p->alength = NULL;
3535 }
3536 
3537 static void
3538 nxge_dma_free_rx_data_buf(p_nxge_dma_common_t dma_p)
3539 {
3540 	uint64_t kaddr;
3541 	uint32_t buf_size;
3542 
3543 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "==> nxge_dma_free_rx_data_buf"));
3544 
3545 	if (dma_p->dma_handle != NULL) {
3546 		if (dma_p->ncookies) {
3547 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3548 			dma_p->ncookies = 0;
3549 		}
3550 		ddi_dma_free_handle(&dma_p->dma_handle);
3551 		dma_p->dma_handle = NULL;
3552 	}
3553 
3554 	if (dma_p->acc_handle != NULL) {
3555 		ddi_dma_mem_free(&dma_p->acc_handle);
3556 		dma_p->acc_handle = NULL;
3557 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3558 	}
3559 
3560 	NXGE_DEBUG_MSG((NULL, DMA_CTL,
3561 	    "==> nxge_dma_free_rx_data_buf: dmap $%p buf_alloc_state %d",
3562 	    dma_p,
3563 	    dma_p->buf_alloc_state));
3564 
3565 	if (!(dma_p->buf_alloc_state & BUF_ALLOCATED_WAIT_FREE)) {
3566 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3567 		    "<== nxge_dma_free_rx_data_buf: "
3568 		    "outstanding data buffers"));
3569 		return;
3570 	}
3571 
3572 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3573 	if (dma_p->contig_alloc_type &&
3574 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3575 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_free_rx_data_buf: "
3576 		    "kaddrp $%p (orig_kaddrp $%p)"
3577 		    "mem type %d ",
3578 		    "orig_alength %d "
3579 		    "alength 0x%x (%d)",
3580 		    dma_p->kaddrp,
3581 		    dma_p->orig_kaddrp,
3582 		    dma_p->contig_alloc_type,
3583 		    dma_p->orig_alength,
3584 		    dma_p->alength, dma_p->alength));
3585 
3586 		kaddr = (uint64_t)dma_p->orig_kaddrp;
3587 		buf_size = dma_p->orig_alength;
3588 		nxge_free_buf(CONTIG_MEM_ALLOC, kaddr, buf_size);
3589 		dma_p->orig_alength = NULL;
3590 		dma_p->orig_kaddrp = NULL;
3591 		dma_p->contig_alloc_type = B_FALSE;
3592 		dma_p->kaddrp = NULL;
3593 		dma_p->alength = NULL;
3594 		return;
3595 	}
3596 #endif
3597 
3598 	if (dma_p->kmem_alloc_type) {
3599 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3600 		    "nxge_dma_free_rx_data_buf: free kmem "
3601 		    "kaddrp $%p (orig_kaddrp $%p)"
3602 		    "alloc type %d "
3603 		    "orig_alength %d "
3604 		    "alength 0x%x (%d)",
3605 		    dma_p->kaddrp,
3606 		    dma_p->orig_kaddrp,
3607 		    dma_p->kmem_alloc_type,
3608 		    dma_p->orig_alength,
3609 		    dma_p->alength, dma_p->alength));
3610 #if defined(__i386)
3611 		kaddr = (uint64_t)(uint32_t)dma_p->kaddrp;
3612 #else
3613 		kaddr = (uint64_t)dma_p->kaddrp;
3614 #endif
3615 		buf_size = dma_p->orig_alength;
3616 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3617 		    "nxge_dma_free_rx_data_buf: free dmap $%p "
3618 		    "kaddr $%p buf_size %d",
3619 		    dma_p,
3620 		    kaddr, buf_size));
3621 		nxge_free_buf(KMEM_ALLOC, kaddr, buf_size);
3622 		dma_p->alength = 0;
3623 		dma_p->orig_alength = 0;
3624 		dma_p->kaddrp = NULL;
3625 		dma_p->kmem_alloc_type = B_FALSE;
3626 	}
3627 
3628 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_dma_free_rx_data_buf"));
3629 }
3630 
3631 /*
3632  *	nxge_m_start() -- start transmitting and receiving.
3633  *
3634  *	This function is called by the MAC layer when the first
3635  *	stream is open to prepare the hardware ready for sending
3636  *	and transmitting packets.
3637  */
3638 static int
3639 nxge_m_start(void *arg)
3640 {
3641 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3642 
3643 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_start"));
3644 
3645 	if (nxge_peu_reset_enable && !nxgep->nxge_link_poll_timerid) {
3646 		(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
3647 	}
3648 
3649 	MUTEX_ENTER(nxgep->genlock);
3650 	if (nxge_init(nxgep) != NXGE_OK) {
3651 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3652 		    "<== nxge_m_start: initialization failed"));
3653 		MUTEX_EXIT(nxgep->genlock);
3654 		return (EIO);
3655 	}
3656 
3657 	if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
3658 		goto nxge_m_start_exit;
3659 	/*
3660 	 * Start timer to check the system error and tx hangs
3661 	 */
3662 	if (!isLDOMguest(nxgep))
3663 		nxgep->nxge_timerid = nxge_start_timer(nxgep,
3664 		    nxge_check_hw_state, NXGE_CHECK_TIMER);
3665 #if	defined(sun4v)
3666 	else
3667 		nxge_hio_start_timer(nxgep);
3668 #endif
3669 
3670 	nxgep->link_notify = B_TRUE;
3671 
3672 	nxgep->nxge_mac_state = NXGE_MAC_STARTED;
3673 
3674 nxge_m_start_exit:
3675 	MUTEX_EXIT(nxgep->genlock);
3676 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_start"));
3677 	return (0);
3678 }
3679 
3680 /*
3681  *	nxge_m_stop(): stop transmitting and receiving.
3682  */
3683 static void
3684 nxge_m_stop(void *arg)
3685 {
3686 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3687 
3688 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_stop"));
3689 
3690 	if (nxgep->nxge_timerid) {
3691 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
3692 		nxgep->nxge_timerid = 0;
3693 	}
3694 
3695 	MUTEX_ENTER(nxgep->genlock);
3696 	nxgep->nxge_mac_state = NXGE_MAC_STOPPING;
3697 	nxge_uninit(nxgep);
3698 
3699 	nxgep->nxge_mac_state = NXGE_MAC_STOPPED;
3700 
3701 	MUTEX_EXIT(nxgep->genlock);
3702 
3703 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_stop"));
3704 }
3705 
3706 static int
3707 nxge_m_unicst(void *arg, const uint8_t *macaddr)
3708 {
3709 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3710 	struct 		ether_addr addrp;
3711 
3712 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "==> nxge_m_unicst"));
3713 
3714 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
3715 	if (nxge_set_mac_addr(nxgep, &addrp)) {
3716 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3717 		    "<== nxge_m_unicst: set unitcast failed"));
3718 		return (EINVAL);
3719 	}
3720 
3721 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_unicst"));
3722 
3723 	return (0);
3724 }
3725 
3726 static int
3727 nxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3728 {
3729 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3730 	struct 		ether_addr addrp;
3731 
3732 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3733 	    "==> nxge_m_multicst: add %d", add));
3734 
3735 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
3736 	if (add) {
3737 		if (nxge_add_mcast_addr(nxgep, &addrp)) {
3738 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3739 			    "<== nxge_m_multicst: add multicast failed"));
3740 			return (EINVAL);
3741 		}
3742 	} else {
3743 		if (nxge_del_mcast_addr(nxgep, &addrp)) {
3744 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3745 			    "<== nxge_m_multicst: del multicast failed"));
3746 			return (EINVAL);
3747 		}
3748 	}
3749 
3750 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_multicst"));
3751 
3752 	return (0);
3753 }
3754 
3755 static int
3756 nxge_m_promisc(void *arg, boolean_t on)
3757 {
3758 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3759 
3760 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3761 	    "==> nxge_m_promisc: on %d", on));
3762 
3763 	if (nxge_set_promisc(nxgep, on)) {
3764 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3765 		    "<== nxge_m_promisc: set promisc failed"));
3766 		return (EINVAL);
3767 	}
3768 
3769 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3770 	    "<== nxge_m_promisc: on %d", on));
3771 
3772 	return (0);
3773 }
3774 
3775 static void
3776 nxge_m_ioctl(void *arg,  queue_t *wq, mblk_t *mp)
3777 {
3778 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3779 	struct 		iocblk *iocp;
3780 	boolean_t 	need_privilege;
3781 	int 		err;
3782 	int 		cmd;
3783 
3784 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl"));
3785 
3786 	iocp = (struct iocblk *)mp->b_rptr;
3787 	iocp->ioc_error = 0;
3788 	need_privilege = B_TRUE;
3789 	cmd = iocp->ioc_cmd;
3790 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl: cmd 0x%08x", cmd));
3791 	switch (cmd) {
3792 	default:
3793 		miocnak(wq, mp, 0, EINVAL);
3794 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl: invalid"));
3795 		return;
3796 
3797 	case LB_GET_INFO_SIZE:
3798 	case LB_GET_INFO:
3799 	case LB_GET_MODE:
3800 		need_privilege = B_FALSE;
3801 		break;
3802 	case LB_SET_MODE:
3803 		break;
3804 
3805 
3806 	case NXGE_GET_MII:
3807 	case NXGE_PUT_MII:
3808 	case NXGE_GET64:
3809 	case NXGE_PUT64:
3810 	case NXGE_GET_TX_RING_SZ:
3811 	case NXGE_GET_TX_DESC:
3812 	case NXGE_TX_SIDE_RESET:
3813 	case NXGE_RX_SIDE_RESET:
3814 	case NXGE_GLOBAL_RESET:
3815 	case NXGE_RESET_MAC:
3816 	case NXGE_TX_REGS_DUMP:
3817 	case NXGE_RX_REGS_DUMP:
3818 	case NXGE_INT_REGS_DUMP:
3819 	case NXGE_VIR_INT_REGS_DUMP:
3820 	case NXGE_PUT_TCAM:
3821 	case NXGE_GET_TCAM:
3822 	case NXGE_RTRACE:
3823 	case NXGE_RDUMP:
3824 
3825 		need_privilege = B_FALSE;
3826 		break;
3827 	case NXGE_INJECT_ERR:
3828 		cmn_err(CE_NOTE, "!nxge_m_ioctl: Inject error\n");
3829 		nxge_err_inject(nxgep, wq, mp);
3830 		break;
3831 	}
3832 
3833 	if (need_privilege) {
3834 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
3835 		if (err != 0) {
3836 			miocnak(wq, mp, 0, err);
3837 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3838 			    "<== nxge_m_ioctl: no priv"));
3839 			return;
3840 		}
3841 	}
3842 
3843 	switch (cmd) {
3844 
3845 	case LB_GET_MODE:
3846 	case LB_SET_MODE:
3847 	case LB_GET_INFO_SIZE:
3848 	case LB_GET_INFO:
3849 		nxge_loopback_ioctl(nxgep, wq, mp, iocp);
3850 		break;
3851 
3852 	case NXGE_GET_MII:
3853 	case NXGE_PUT_MII:
3854 	case NXGE_PUT_TCAM:
3855 	case NXGE_GET_TCAM:
3856 	case NXGE_GET64:
3857 	case NXGE_PUT64:
3858 	case NXGE_GET_TX_RING_SZ:
3859 	case NXGE_GET_TX_DESC:
3860 	case NXGE_TX_SIDE_RESET:
3861 	case NXGE_RX_SIDE_RESET:
3862 	case NXGE_GLOBAL_RESET:
3863 	case NXGE_RESET_MAC:
3864 	case NXGE_TX_REGS_DUMP:
3865 	case NXGE_RX_REGS_DUMP:
3866 	case NXGE_INT_REGS_DUMP:
3867 	case NXGE_VIR_INT_REGS_DUMP:
3868 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3869 		    "==> nxge_m_ioctl: cmd 0x%x", cmd));
3870 		nxge_hw_ioctl(nxgep, wq, mp, iocp);
3871 		break;
3872 	}
3873 
3874 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl"));
3875 }
3876 
3877 extern void nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count);
3878 
3879 static void
3880 nxge_m_resources(void *arg)
3881 {
3882 	p_nxge_t		nxgep = arg;
3883 	mac_rx_fifo_t 		mrf;
3884 
3885 	nxge_grp_set_t		*set = &nxgep->rx_set;
3886 	uint8_t			rdc;
3887 
3888 	rx_rcr_ring_t		*ring;
3889 
3890 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_m_resources"));
3891 
3892 	MUTEX_ENTER(nxgep->genlock);
3893 
3894 	if (set->owned.map == 0) {
3895 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
3896 		    "nxge_m_resources: no receive resources"));
3897 		goto nxge_m_resources_exit;
3898 	}
3899 
3900 	/*
3901 	 * CR 6492541 Check to see if the drv_state has been initialized,
3902 	 * if not * call nxge_init().
3903 	 */
3904 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3905 		if (nxge_init(nxgep) != NXGE_OK)
3906 			goto nxge_m_resources_exit;
3907 	}
3908 
3909 	mrf.mrf_type = MAC_RX_FIFO;
3910 	mrf.mrf_blank = nxge_rx_hw_blank;
3911 	mrf.mrf_arg = (void *)nxgep;
3912 
3913 	mrf.mrf_normal_blank_time = 128;
3914 	mrf.mrf_normal_pkt_count = 8;
3915 
3916 	/*
3917 	 * Export our receive resources to the MAC layer.
3918 	 */
3919 	for (rdc = 0; rdc < NXGE_MAX_RDCS; rdc++) {
3920 		if ((1 << rdc) & set->owned.map) {
3921 			ring = nxgep->rx_rcr_rings->rcr_rings[rdc];
3922 			if (ring == 0) {
3923 				/*
3924 				 * This is a big deal only if we are
3925 				 * *not* in an LDOMs environment.
3926 				 */
3927 				if (nxgep->environs == SOLARIS_DOMAIN) {
3928 					cmn_err(CE_NOTE,
3929 					    "==> nxge_m_resources: "
3930 					    "ring %d == 0", rdc);
3931 				}
3932 				continue;
3933 			}
3934 			ring->rcr_mac_handle = mac_resource_add
3935 			    (nxgep->mach, (mac_resource_t *)&mrf);
3936 
3937 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3938 			    "==> nxge_m_resources: RDC %d RCR %p MAC handle %p",
3939 			    rdc, ring, ring->rcr_mac_handle));
3940 		}
3941 	}
3942 
3943 nxge_m_resources_exit:
3944 	MUTEX_EXIT(nxgep->genlock);
3945 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_m_resources"));
3946 }
3947 
3948 void
3949 nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot, boolean_t factory)
3950 {
3951 	p_nxge_mmac_stats_t mmac_stats;
3952 	int i;
3953 	nxge_mmac_t *mmac_info;
3954 
3955 	mmac_info = &nxgep->nxge_mmac_info;
3956 
3957 	mmac_stats = &nxgep->statsp->mmac_stats;
3958 	mmac_stats->mmac_max_cnt = mmac_info->num_mmac;
3959 	mmac_stats->mmac_avail_cnt = mmac_info->naddrfree;
3960 
3961 	for (i = 0; i < ETHERADDRL; i++) {
3962 		if (factory) {
3963 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3964 			    = mmac_info->factory_mac_pool[slot][
3965 			    (ETHERADDRL-1) - i];
3966 		} else {
3967 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3968 			    = mmac_info->mac_pool[slot].addr[
3969 			    (ETHERADDRL - 1) - i];
3970 		}
3971 	}
3972 }
3973 
3974 /*
3975  * nxge_altmac_set() -- Set an alternate MAC address
3976  */
3977 static int
3978 nxge_altmac_set(p_nxge_t nxgep, uint8_t *maddr, mac_addr_slot_t slot)
3979 {
3980 	uint8_t addrn;
3981 	uint8_t portn;
3982 	npi_mac_addr_t altmac;
3983 	hostinfo_t mac_rdc;
3984 	p_nxge_class_pt_cfg_t clscfgp;
3985 
3986 	altmac.w2 = ((uint16_t)maddr[0] << 8) | ((uint16_t)maddr[1] & 0x0ff);
3987 	altmac.w1 = ((uint16_t)maddr[2] << 8) | ((uint16_t)maddr[3] & 0x0ff);
3988 	altmac.w0 = ((uint16_t)maddr[4] << 8) | ((uint16_t)maddr[5] & 0x0ff);
3989 
3990 	portn = nxgep->mac.portnum;
3991 	addrn = (uint8_t)slot - 1;
3992 
3993 	if (npi_mac_altaddr_entry(nxgep->npi_handle, OP_SET, portn,
3994 	    addrn, &altmac) != NPI_SUCCESS)
3995 		return (EIO);
3996 
3997 	/*
3998 	 * Set the rdc table number for the host info entry
3999 	 * for this mac address slot.
4000 	 */
4001 	clscfgp = (p_nxge_class_pt_cfg_t)&nxgep->class_config;
4002 	mac_rdc.value = 0;
4003 	mac_rdc.bits.w0.rdc_tbl_num = clscfgp->mac_host_info[addrn].rdctbl;
4004 	mac_rdc.bits.w0.mac_pref = clscfgp->mac_host_info[addrn].mpr_npr;
4005 
4006 	if (npi_mac_hostinfo_entry(nxgep->npi_handle, OP_SET,
4007 	    nxgep->function_num, addrn, &mac_rdc) != NPI_SUCCESS) {
4008 		return (EIO);
4009 	}
4010 
4011 	/*
4012 	 * Enable comparison with the alternate MAC address.
4013 	 * While the first alternate addr is enabled by bit 1 of register
4014 	 * BMAC_ALTAD_CMPEN, it is enabled by bit 0 of register
4015 	 * XMAC_ADDR_CMPEN, so slot needs to be converted to addrn
4016 	 * accordingly before calling npi_mac_altaddr_entry.
4017 	 */
4018 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
4019 		addrn = (uint8_t)slot - 1;
4020 	else
4021 		addrn = (uint8_t)slot;
4022 
4023 	if (npi_mac_altaddr_enable(nxgep->npi_handle, portn, addrn)
4024 	    != NPI_SUCCESS)
4025 		return (EIO);
4026 
4027 	return (0);
4028 }
4029 
4030 /*
4031  * nxeg_m_mmac_add() - find an unused address slot, set the address
4032  * value to the one specified, enable the port to start filtering on
4033  * the new MAC address.  Returns 0 on success.
4034  */
4035 int
4036 nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr)
4037 {
4038 	p_nxge_t nxgep = arg;
4039 	mac_addr_slot_t slot;
4040 	nxge_mmac_t *mmac_info;
4041 	int err;
4042 	nxge_status_t status;
4043 
4044 	mutex_enter(nxgep->genlock);
4045 
4046 	/*
4047 	 * Make sure that nxge is initialized, if _start() has
4048 	 * not been called.
4049 	 */
4050 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4051 		status = nxge_init(nxgep);
4052 		if (status != NXGE_OK) {
4053 			mutex_exit(nxgep->genlock);
4054 			return (ENXIO);
4055 		}
4056 	}
4057 
4058 	mmac_info = &nxgep->nxge_mmac_info;
4059 	if (mmac_info->naddrfree == 0) {
4060 		mutex_exit(nxgep->genlock);
4061 		return (ENOSPC);
4062 	}
4063 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4064 	    maddr->mma_addrlen)) {
4065 		mutex_exit(nxgep->genlock);
4066 		return (EINVAL);
4067 	}
4068 	/*
4069 	 * 	Search for the first available slot. Because naddrfree
4070 	 * is not zero, we are guaranteed to find one.
4071 	 * 	Slot 0 is for unique (primary) MAC. The first alternate
4072 	 * MAC slot is slot 1.
4073 	 *	Each of the first two ports of Neptune has 16 alternate
4074 	 * MAC slots but only the first 7 (of 15) slots have assigned factory
4075 	 * MAC addresses. We first search among the slots without bundled
4076 	 * factory MACs. If we fail to find one in that range, then we
4077 	 * search the slots with bundled factory MACs.  A factory MAC
4078 	 * will be wasted while the slot is used with a user MAC address.
4079 	 * But the slot could be used by factory MAC again after calling
4080 	 * nxge_m_mmac_remove and nxge_m_mmac_reserve.
4081 	 */
4082 	if (mmac_info->num_factory_mmac < mmac_info->num_mmac) {
4083 		for (slot = mmac_info->num_factory_mmac + 1;
4084 		    slot <= mmac_info->num_mmac; slot++) {
4085 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4086 				break;
4087 		}
4088 		if (slot > mmac_info->num_mmac) {
4089 			for (slot = 1; slot <= mmac_info->num_factory_mmac;
4090 			    slot++) {
4091 				if (!(mmac_info->mac_pool[slot].flags
4092 				    & MMAC_SLOT_USED))
4093 					break;
4094 			}
4095 		}
4096 	} else {
4097 		for (slot = 1; slot <= mmac_info->num_mmac; slot++) {
4098 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4099 				break;
4100 		}
4101 	}
4102 	ASSERT(slot <= mmac_info->num_mmac);
4103 	if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot)) != 0) {
4104 		mutex_exit(nxgep->genlock);
4105 		return (err);
4106 	}
4107 	bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr, ETHERADDRL);
4108 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED;
4109 	mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4110 	mmac_info->naddrfree--;
4111 	nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4112 
4113 	maddr->mma_slot = slot;
4114 
4115 	mutex_exit(nxgep->genlock);
4116 	return (0);
4117 }
4118 
4119 /*
4120  * This function reserves an unused slot and programs the slot and the HW
4121  * with a factory mac address.
4122  */
4123 static int
4124 nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr)
4125 {
4126 	p_nxge_t nxgep = arg;
4127 	mac_addr_slot_t slot;
4128 	nxge_mmac_t *mmac_info;
4129 	int err;
4130 	nxge_status_t status;
4131 
4132 	mutex_enter(nxgep->genlock);
4133 
4134 	/*
4135 	 * Make sure that nxge is initialized, if _start() has
4136 	 * not been called.
4137 	 */
4138 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4139 		status = nxge_init(nxgep);
4140 		if (status != NXGE_OK) {
4141 			mutex_exit(nxgep->genlock);
4142 			return (ENXIO);
4143 		}
4144 	}
4145 
4146 	mmac_info = &nxgep->nxge_mmac_info;
4147 	if (mmac_info->naddrfree == 0) {
4148 		mutex_exit(nxgep->genlock);
4149 		return (ENOSPC);
4150 	}
4151 
4152 	slot = maddr->mma_slot;
4153 	if (slot == -1) {  /* -1: Take the first available slot */
4154 		for (slot = 1; slot <= mmac_info->num_factory_mmac; slot++) {
4155 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4156 				break;
4157 		}
4158 		if (slot > mmac_info->num_factory_mmac) {
4159 			mutex_exit(nxgep->genlock);
4160 			return (ENOSPC);
4161 		}
4162 	}
4163 	if (slot < 1 || slot > mmac_info->num_factory_mmac) {
4164 		/*
4165 		 * Do not support factory MAC at a slot greater than
4166 		 * num_factory_mmac even when there are available factory
4167 		 * MAC addresses because the alternate MACs are bundled with
4168 		 * slot[1] through slot[num_factory_mmac]
4169 		 */
4170 		mutex_exit(nxgep->genlock);
4171 		return (EINVAL);
4172 	}
4173 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4174 		mutex_exit(nxgep->genlock);
4175 		return (EBUSY);
4176 	}
4177 	/* Verify the address to be reserved */
4178 	if (!mac_unicst_verify(nxgep->mach,
4179 	    mmac_info->factory_mac_pool[slot], ETHERADDRL)) {
4180 		mutex_exit(nxgep->genlock);
4181 		return (EINVAL);
4182 	}
4183 	if (err = nxge_altmac_set(nxgep,
4184 	    mmac_info->factory_mac_pool[slot], slot)) {
4185 		mutex_exit(nxgep->genlock);
4186 		return (err);
4187 	}
4188 	bcopy(mmac_info->factory_mac_pool[slot], maddr->mma_addr, ETHERADDRL);
4189 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4190 	mmac_info->naddrfree--;
4191 
4192 	nxge_mmac_kstat_update(nxgep, slot, B_TRUE);
4193 	mutex_exit(nxgep->genlock);
4194 
4195 	/* Pass info back to the caller */
4196 	maddr->mma_slot = slot;
4197 	maddr->mma_addrlen = ETHERADDRL;
4198 	maddr->mma_flags = MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4199 
4200 	return (0);
4201 }
4202 
4203 /*
4204  * Remove the specified mac address and update the HW not to filter
4205  * the mac address anymore.
4206  */
4207 int
4208 nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot)
4209 {
4210 	p_nxge_t nxgep = arg;
4211 	nxge_mmac_t *mmac_info;
4212 	uint8_t addrn;
4213 	uint8_t portn;
4214 	int err = 0;
4215 	nxge_status_t status;
4216 
4217 	mutex_enter(nxgep->genlock);
4218 
4219 	/*
4220 	 * Make sure that nxge is initialized, if _start() has
4221 	 * not been called.
4222 	 */
4223 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4224 		status = nxge_init(nxgep);
4225 		if (status != NXGE_OK) {
4226 			mutex_exit(nxgep->genlock);
4227 			return (ENXIO);
4228 		}
4229 	}
4230 
4231 	mmac_info = &nxgep->nxge_mmac_info;
4232 	if (slot < 1 || slot > mmac_info->num_mmac) {
4233 		mutex_exit(nxgep->genlock);
4234 		return (EINVAL);
4235 	}
4236 
4237 	portn = nxgep->mac.portnum;
4238 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
4239 		addrn = (uint8_t)slot - 1;
4240 	else
4241 		addrn = (uint8_t)slot;
4242 
4243 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4244 		if (npi_mac_altaddr_disable(nxgep->npi_handle, portn, addrn)
4245 		    == NPI_SUCCESS) {
4246 			mmac_info->naddrfree++;
4247 			mmac_info->mac_pool[slot].flags &= ~MMAC_SLOT_USED;
4248 			/*
4249 			 * Regardless if the MAC we just stopped filtering
4250 			 * is a user addr or a facory addr, we must set
4251 			 * the MMAC_VENDOR_ADDR flag if this slot has an
4252 			 * associated factory MAC to indicate that a factory
4253 			 * MAC is available.
4254 			 */
4255 			if (slot <= mmac_info->num_factory_mmac) {
4256 				mmac_info->mac_pool[slot].flags
4257 				    |= MMAC_VENDOR_ADDR;
4258 			}
4259 			/*
4260 			 * Clear mac_pool[slot].addr so that kstat shows 0
4261 			 * alternate MAC address if the slot is not used.
4262 			 * (But nxge_m_mmac_get returns the factory MAC even
4263 			 * when the slot is not used!)
4264 			 */
4265 			bzero(mmac_info->mac_pool[slot].addr, ETHERADDRL);
4266 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4267 		} else {
4268 			err = EIO;
4269 		}
4270 	} else {
4271 		err = EINVAL;
4272 	}
4273 
4274 	mutex_exit(nxgep->genlock);
4275 	return (err);
4276 }
4277 
4278 /*
4279  * Modify a mac address added by nxge_m_mmac_add or nxge_m_mmac_reserve().
4280  */
4281 static int
4282 nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr)
4283 {
4284 	p_nxge_t nxgep = arg;
4285 	mac_addr_slot_t slot;
4286 	nxge_mmac_t *mmac_info;
4287 	int err = 0;
4288 	nxge_status_t status;
4289 
4290 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4291 	    maddr->mma_addrlen))
4292 		return (EINVAL);
4293 
4294 	slot = maddr->mma_slot;
4295 
4296 	mutex_enter(nxgep->genlock);
4297 
4298 	/*
4299 	 * Make sure that nxge is initialized, if _start() has
4300 	 * not been called.
4301 	 */
4302 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4303 		status = nxge_init(nxgep);
4304 		if (status != NXGE_OK) {
4305 			mutex_exit(nxgep->genlock);
4306 			return (ENXIO);
4307 		}
4308 	}
4309 
4310 	mmac_info = &nxgep->nxge_mmac_info;
4311 	if (slot < 1 || slot > mmac_info->num_mmac) {
4312 		mutex_exit(nxgep->genlock);
4313 		return (EINVAL);
4314 	}
4315 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4316 		if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot))
4317 		    != 0) {
4318 			bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr,
4319 			    ETHERADDRL);
4320 			/*
4321 			 * Assume that the MAC passed down from the caller
4322 			 * is not a factory MAC address (The user should
4323 			 * call mmac_remove followed by mmac_reserve if
4324 			 * he wants to use the factory MAC for this slot).
4325 			 */
4326 			mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4327 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4328 		}
4329 	} else {
4330 		err = EINVAL;
4331 	}
4332 	mutex_exit(nxgep->genlock);
4333 	return (err);
4334 }
4335 
4336 /*
4337  * nxge_m_mmac_get() - Get the MAC address and other information
4338  * related to the slot.  mma_flags should be set to 0 in the call.
4339  * Note: although kstat shows MAC address as zero when a slot is
4340  * not used, Crossbow expects nxge_m_mmac_get to copy factory MAC
4341  * to the caller as long as the slot is not using a user MAC address.
4342  * The following table shows the rules,
4343  *
4344  *				   USED    VENDOR    mma_addr
4345  * ------------------------------------------------------------
4346  * (1) Slot uses a user MAC:        yes      no     user MAC
4347  * (2) Slot uses a factory MAC:     yes      yes    factory MAC
4348  * (3) Slot is not used but is
4349  *     factory MAC capable:         no       yes    factory MAC
4350  * (4) Slot is not used and is
4351  *     not factory MAC capable:     no       no        0
4352  * ------------------------------------------------------------
4353  */
4354 static int
4355 nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr)
4356 {
4357 	nxge_t *nxgep = arg;
4358 	mac_addr_slot_t slot;
4359 	nxge_mmac_t *mmac_info;
4360 	nxge_status_t status;
4361 
4362 	slot = maddr->mma_slot;
4363 
4364 	mutex_enter(nxgep->genlock);
4365 
4366 	/*
4367 	 * Make sure that nxge is initialized, if _start() has
4368 	 * not been called.
4369 	 */
4370 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4371 		status = nxge_init(nxgep);
4372 		if (status != NXGE_OK) {
4373 			mutex_exit(nxgep->genlock);
4374 			return (ENXIO);
4375 		}
4376 	}
4377 
4378 	mmac_info = &nxgep->nxge_mmac_info;
4379 
4380 	if (slot < 1 || slot > mmac_info->num_mmac) {
4381 		mutex_exit(nxgep->genlock);
4382 		return (EINVAL);
4383 	}
4384 	maddr->mma_flags = 0;
4385 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED)
4386 		maddr->mma_flags |= MMAC_SLOT_USED;
4387 
4388 	if (mmac_info->mac_pool[slot].flags & MMAC_VENDOR_ADDR) {
4389 		maddr->mma_flags |= MMAC_VENDOR_ADDR;
4390 		bcopy(mmac_info->factory_mac_pool[slot],
4391 		    maddr->mma_addr, ETHERADDRL);
4392 		maddr->mma_addrlen = ETHERADDRL;
4393 	} else {
4394 		if (maddr->mma_flags & MMAC_SLOT_USED) {
4395 			bcopy(mmac_info->mac_pool[slot].addr,
4396 			    maddr->mma_addr, ETHERADDRL);
4397 			maddr->mma_addrlen = ETHERADDRL;
4398 		} else {
4399 			bzero(maddr->mma_addr, ETHERADDRL);
4400 			maddr->mma_addrlen = 0;
4401 		}
4402 	}
4403 	mutex_exit(nxgep->genlock);
4404 	return (0);
4405 }
4406 
4407 static boolean_t
4408 nxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
4409 {
4410 	nxge_t *nxgep = arg;
4411 	uint32_t *txflags = cap_data;
4412 	multiaddress_capab_t *mmacp = cap_data;
4413 
4414 	switch (cap) {
4415 	case MAC_CAPAB_HCKSUM:
4416 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4417 		    "==> nxge_m_getcapab: checksum %d", nxge_cksum_offload));
4418 		if (nxge_cksum_offload <= 1) {
4419 			*txflags = HCKSUM_INET_PARTIAL;
4420 		}
4421 		break;
4422 
4423 	case MAC_CAPAB_POLL:
4424 		/*
4425 		 * There's nothing for us to fill in, simply returning
4426 		 * B_TRUE stating that we support polling is sufficient.
4427 		 */
4428 		break;
4429 
4430 	case MAC_CAPAB_MULTIADDRESS:
4431 		mmacp = (multiaddress_capab_t *)cap_data;
4432 		mutex_enter(nxgep->genlock);
4433 
4434 		mmacp->maddr_naddr = nxgep->nxge_mmac_info.num_mmac;
4435 		mmacp->maddr_naddrfree = nxgep->nxge_mmac_info.naddrfree;
4436 		mmacp->maddr_flag = 0; /* 0 is required by PSARC2006/265 */
4437 		/*
4438 		 * maddr_handle is driver's private data, passed back to
4439 		 * entry point functions as arg.
4440 		 */
4441 		mmacp->maddr_handle	= nxgep;
4442 		mmacp->maddr_add	= nxge_m_mmac_add;
4443 		mmacp->maddr_remove	= nxge_m_mmac_remove;
4444 		mmacp->maddr_modify	= nxge_m_mmac_modify;
4445 		mmacp->maddr_get	= nxge_m_mmac_get;
4446 		mmacp->maddr_reserve	= nxge_m_mmac_reserve;
4447 
4448 		mutex_exit(nxgep->genlock);
4449 		break;
4450 
4451 	case MAC_CAPAB_LSO: {
4452 		mac_capab_lso_t *cap_lso = cap_data;
4453 
4454 		if (nxgep->soft_lso_enable) {
4455 			if (nxge_cksum_offload <= 1) {
4456 				cap_lso->lso_flags = LSO_TX_BASIC_TCP_IPV4;
4457 				if (nxge_lso_max > NXGE_LSO_MAXLEN) {
4458 					nxge_lso_max = NXGE_LSO_MAXLEN;
4459 				}
4460 				cap_lso->lso_basic_tcp_ipv4.lso_max =
4461 				    nxge_lso_max;
4462 			}
4463 			break;
4464 		} else {
4465 			return (B_FALSE);
4466 		}
4467 	}
4468 
4469 #if defined(sun4v)
4470 	case MAC_CAPAB_RINGS: {
4471 		mac_capab_rings_t *mrings = (mac_capab_rings_t *)cap_data;
4472 
4473 		/*
4474 		 * Only the service domain driver responds to
4475 		 * this capability request.
4476 		 */
4477 		if (isLDOMservice(nxgep)) {
4478 			mrings->mr_handle = (void *)nxgep;
4479 
4480 			/*
4481 			 * No dynamic allocation of groups and
4482 			 * rings at this time.  Shares dictate the
4483 			 * configuration.
4484 			 */
4485 			mrings->mr_gadd_ring = NULL;
4486 			mrings->mr_grem_ring = NULL;
4487 			mrings->mr_rget = NULL;
4488 			mrings->mr_gget = nxge_hio_group_get;
4489 
4490 			if (mrings->mr_type == MAC_RING_TYPE_RX) {
4491 				mrings->mr_rnum = 8; /* XXX */
4492 				mrings->mr_gnum = 6; /* XXX */
4493 			} else {
4494 				mrings->mr_rnum = 8; /* XXX */
4495 				mrings->mr_gnum = 0; /* XXX */
4496 			}
4497 		} else
4498 			return (B_FALSE);
4499 		break;
4500 	}
4501 
4502 	case MAC_CAPAB_SHARES: {
4503 		mac_capab_share_t *mshares = (mac_capab_share_t *)cap_data;
4504 
4505 		/*
4506 		 * Only the service domain driver responds to
4507 		 * this capability request.
4508 		 */
4509 		if (isLDOMservice(nxgep)) {
4510 			mshares->ms_snum = 3;
4511 			mshares->ms_handle = (void *)nxgep;
4512 			mshares->ms_salloc = nxge_hio_share_alloc;
4513 			mshares->ms_sfree = nxge_hio_share_free;
4514 			mshares->ms_sadd = NULL;
4515 			mshares->ms_sremove = NULL;
4516 			mshares->ms_squery = nxge_hio_share_query;
4517 		} else
4518 			return (B_FALSE);
4519 		break;
4520 	}
4521 #endif
4522 	default:
4523 		return (B_FALSE);
4524 	}
4525 	return (B_TRUE);
4526 }
4527 
4528 static boolean_t
4529 nxge_param_locked(mac_prop_id_t pr_num)
4530 {
4531 	/*
4532 	 * All adv_* parameters are locked (read-only) while
4533 	 * the device is in any sort of loopback mode ...
4534 	 */
4535 	switch (pr_num) {
4536 		case DLD_PROP_ADV_1000FDX_CAP:
4537 		case DLD_PROP_EN_1000FDX_CAP:
4538 		case DLD_PROP_ADV_1000HDX_CAP:
4539 		case DLD_PROP_EN_1000HDX_CAP:
4540 		case DLD_PROP_ADV_100FDX_CAP:
4541 		case DLD_PROP_EN_100FDX_CAP:
4542 		case DLD_PROP_ADV_100HDX_CAP:
4543 		case DLD_PROP_EN_100HDX_CAP:
4544 		case DLD_PROP_ADV_10FDX_CAP:
4545 		case DLD_PROP_EN_10FDX_CAP:
4546 		case DLD_PROP_ADV_10HDX_CAP:
4547 		case DLD_PROP_EN_10HDX_CAP:
4548 		case DLD_PROP_AUTONEG:
4549 		case DLD_PROP_FLOWCTRL:
4550 			return (B_TRUE);
4551 	}
4552 	return (B_FALSE);
4553 }
4554 
4555 /*
4556  * callback functions for set/get of properties
4557  */
4558 static int
4559 nxge_m_setprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4560     uint_t pr_valsize, const void *pr_val)
4561 {
4562 	nxge_t		*nxgep = barg;
4563 	p_nxge_param_t	param_arr;
4564 	p_nxge_stats_t	statsp;
4565 	int		err = 0;
4566 	uint8_t		val;
4567 	uint32_t	cur_mtu, new_mtu, old_framesize;
4568 	link_flowctrl_t	fl;
4569 
4570 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_setprop"));
4571 	param_arr = nxgep->param_arr;
4572 	statsp = nxgep->statsp;
4573 	mutex_enter(nxgep->genlock);
4574 	if (statsp->port_stats.lb_mode != nxge_lb_normal &&
4575 	    nxge_param_locked(pr_num)) {
4576 		/*
4577 		 * All adv_* parameters are locked (read-only)
4578 		 * while the device is in any sort of loopback mode.
4579 		 */
4580 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4581 		    "==> nxge_m_setprop: loopback mode: read only"));
4582 		mutex_exit(nxgep->genlock);
4583 		return (EBUSY);
4584 	}
4585 
4586 	val = *(uint8_t *)pr_val;
4587 	switch (pr_num) {
4588 		case DLD_PROP_EN_1000FDX_CAP:
4589 			nxgep->param_en_1000fdx = val;
4590 			param_arr[param_anar_1000fdx].value = val;
4591 
4592 			goto reprogram;
4593 
4594 		case DLD_PROP_EN_100FDX_CAP:
4595 			nxgep->param_en_100fdx = val;
4596 			param_arr[param_anar_100fdx].value = val;
4597 
4598 			goto reprogram;
4599 
4600 		case DLD_PROP_EN_10FDX_CAP:
4601 			nxgep->param_en_10fdx = val;
4602 			param_arr[param_anar_10fdx].value = val;
4603 
4604 			goto reprogram;
4605 
4606 		case DLD_PROP_EN_1000HDX_CAP:
4607 		case DLD_PROP_EN_100HDX_CAP:
4608 		case DLD_PROP_EN_10HDX_CAP:
4609 		case DLD_PROP_ADV_1000FDX_CAP:
4610 		case DLD_PROP_ADV_1000HDX_CAP:
4611 		case DLD_PROP_ADV_100FDX_CAP:
4612 		case DLD_PROP_ADV_100HDX_CAP:
4613 		case DLD_PROP_ADV_10FDX_CAP:
4614 		case DLD_PROP_ADV_10HDX_CAP:
4615 		case DLD_PROP_STATUS:
4616 		case DLD_PROP_SPEED:
4617 		case DLD_PROP_DUPLEX:
4618 			err = EINVAL; /* cannot set read-only properties */
4619 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4620 			    "==> nxge_m_setprop:  read only property %d",
4621 			    pr_num));
4622 			break;
4623 
4624 		case DLD_PROP_AUTONEG:
4625 			param_arr[param_autoneg].value = val;
4626 
4627 			goto reprogram;
4628 
4629 		case DLD_PROP_MTU:
4630 			if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
4631 				err = EBUSY;
4632 				break;
4633 			}
4634 
4635 			cur_mtu = nxgep->mac.default_mtu;
4636 			bcopy(pr_val, &new_mtu, sizeof (new_mtu));
4637 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4638 			    "==> nxge_m_setprop: set MTU: %d is_jumbo %d",
4639 			    new_mtu, nxgep->mac.is_jumbo));
4640 
4641 			if (new_mtu == cur_mtu) {
4642 				err = 0;
4643 				break;
4644 			}
4645 			if (new_mtu < NXGE_DEFAULT_MTU ||
4646 			    new_mtu > NXGE_MAXIMUM_MTU) {
4647 				err = EINVAL;
4648 				break;
4649 			}
4650 
4651 			if ((new_mtu > NXGE_DEFAULT_MTU) &&
4652 			    !nxgep->mac.is_jumbo) {
4653 				err = EINVAL;
4654 				break;
4655 			}
4656 
4657 			old_framesize = (uint32_t)nxgep->mac.maxframesize;
4658 			nxgep->mac.maxframesize = (uint16_t)
4659 			    (new_mtu + NXGE_EHEADER_VLAN_CRC);
4660 			if (nxge_mac_set_framesize(nxgep)) {
4661 				nxgep->mac.maxframesize =
4662 				    (uint16_t)old_framesize;
4663 				err = EINVAL;
4664 				break;
4665 			}
4666 
4667 			err = mac_maxsdu_update(nxgep->mach, new_mtu);
4668 			if (err) {
4669 				nxgep->mac.maxframesize =
4670 				    (uint16_t)old_framesize;
4671 				err = EINVAL;
4672 				break;
4673 			}
4674 
4675 			nxgep->mac.default_mtu = new_mtu;
4676 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4677 			    "==> nxge_m_setprop: set MTU: %d maxframe %d",
4678 			    new_mtu, nxgep->mac.maxframesize));
4679 			break;
4680 
4681 		case DLD_PROP_FLOWCTRL:
4682 			bcopy(pr_val, &fl, sizeof (fl));
4683 			switch (fl) {
4684 			default:
4685 				err = EINVAL;
4686 				break;
4687 
4688 			case LINK_FLOWCTRL_NONE:
4689 				param_arr[param_anar_pause].value = 0;
4690 				break;
4691 
4692 			case LINK_FLOWCTRL_RX:
4693 				param_arr[param_anar_pause].value = 1;
4694 				break;
4695 
4696 			case LINK_FLOWCTRL_TX:
4697 			case LINK_FLOWCTRL_BI:
4698 				err = EINVAL;
4699 				break;
4700 			}
4701 
4702 reprogram:
4703 			if (err == 0) {
4704 				if (!nxge_param_link_update(nxgep)) {
4705 					err = EINVAL;
4706 				}
4707 			}
4708 			break;
4709 		case DLD_PROP_PRIVATE:
4710 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4711 			    "==> nxge_m_setprop: private property"));
4712 			err = nxge_set_priv_prop(nxgep, pr_name, pr_valsize,
4713 			    pr_val);
4714 			break;
4715 
4716 		default:
4717 			err = ENOTSUP;
4718 			break;
4719 	}
4720 
4721 	mutex_exit(nxgep->genlock);
4722 
4723 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4724 	    "<== nxge_m_setprop (return %d)", err));
4725 	return (err);
4726 }
4727 
4728 static int
4729 nxge_m_getprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4730     uint_t pr_flags, uint_t pr_valsize, void *pr_val)
4731 {
4732 	nxge_t 		*nxgep = barg;
4733 	p_nxge_param_t	param_arr = nxgep->param_arr;
4734 	p_nxge_stats_t	statsp = nxgep->statsp;
4735 	int		err = 0;
4736 	link_flowctrl_t	fl;
4737 	uint64_t	tmp = 0;
4738 	link_state_t	ls;
4739 	boolean_t	is_default = (pr_flags & DLD_DEFAULT);
4740 
4741 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4742 	    "==> nxge_m_getprop: pr_num %d", pr_num));
4743 
4744 	if (pr_valsize == 0)
4745 		return (EINVAL);
4746 
4747 	if ((is_default) && (pr_num != DLD_PROP_PRIVATE)) {
4748 		err = nxge_get_def_val(nxgep, pr_num, pr_valsize, pr_val);
4749 		return (err);
4750 	}
4751 
4752 	bzero(pr_val, pr_valsize);
4753 	switch (pr_num) {
4754 		case DLD_PROP_DUPLEX:
4755 			*(uint8_t *)pr_val = statsp->mac_stats.link_duplex;
4756 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4757 			    "==> nxge_m_getprop: duplex mode %d",
4758 			    *(uint8_t *)pr_val));
4759 			break;
4760 
4761 		case DLD_PROP_SPEED:
4762 			if (pr_valsize < sizeof (uint64_t))
4763 				return (EINVAL);
4764 			tmp = statsp->mac_stats.link_speed * 1000000ull;
4765 			bcopy(&tmp, pr_val, sizeof (tmp));
4766 			break;
4767 
4768 		case DLD_PROP_STATUS:
4769 			if (pr_valsize < sizeof (link_state_t))
4770 				return (EINVAL);
4771 			if (!statsp->mac_stats.link_up)
4772 				ls = LINK_STATE_DOWN;
4773 			else
4774 				ls = LINK_STATE_UP;
4775 			bcopy(&ls, pr_val, sizeof (ls));
4776 			break;
4777 
4778 		case DLD_PROP_AUTONEG:
4779 			*(uint8_t *)pr_val =
4780 			    param_arr[param_autoneg].value;
4781 			break;
4782 
4783 		case DLD_PROP_FLOWCTRL:
4784 			if (pr_valsize < sizeof (link_flowctrl_t))
4785 				return (EINVAL);
4786 
4787 			fl = LINK_FLOWCTRL_NONE;
4788 			if (param_arr[param_anar_pause].value) {
4789 				fl = LINK_FLOWCTRL_RX;
4790 			}
4791 			bcopy(&fl, pr_val, sizeof (fl));
4792 			break;
4793 
4794 		case DLD_PROP_ADV_1000FDX_CAP:
4795 			*(uint8_t *)pr_val =
4796 			    param_arr[param_anar_1000fdx].value;
4797 			break;
4798 
4799 		case DLD_PROP_EN_1000FDX_CAP:
4800 			*(uint8_t *)pr_val = nxgep->param_en_1000fdx;
4801 			break;
4802 
4803 		case DLD_PROP_ADV_100FDX_CAP:
4804 			*(uint8_t *)pr_val =
4805 			    param_arr[param_anar_100fdx].value;
4806 			break;
4807 
4808 		case DLD_PROP_EN_100FDX_CAP:
4809 			*(uint8_t *)pr_val = nxgep->param_en_100fdx;
4810 			break;
4811 
4812 		case DLD_PROP_ADV_10FDX_CAP:
4813 			*(uint8_t *)pr_val =
4814 			    param_arr[param_anar_10fdx].value;
4815 			break;
4816 
4817 		case DLD_PROP_EN_10FDX_CAP:
4818 			*(uint8_t *)pr_val = nxgep->param_en_10fdx;
4819 			break;
4820 
4821 		case DLD_PROP_EN_1000HDX_CAP:
4822 		case DLD_PROP_EN_100HDX_CAP:
4823 		case DLD_PROP_EN_10HDX_CAP:
4824 		case DLD_PROP_ADV_1000HDX_CAP:
4825 		case DLD_PROP_ADV_100HDX_CAP:
4826 		case DLD_PROP_ADV_10HDX_CAP:
4827 			err = ENOTSUP;
4828 			break;
4829 
4830 		case DLD_PROP_PRIVATE:
4831 			err = nxge_get_priv_prop(nxgep, pr_name, pr_flags,
4832 			    pr_valsize, pr_val);
4833 			break;
4834 		default:
4835 			err = EINVAL;
4836 			break;
4837 	}
4838 
4839 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_getprop"));
4840 
4841 	return (err);
4842 }
4843 
4844 /* ARGSUSED */
4845 static int
4846 nxge_set_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_valsize,
4847     const void *pr_val)
4848 {
4849 	p_nxge_param_t	param_arr = nxgep->param_arr;
4850 	int		err = 0;
4851 	long		result;
4852 
4853 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4854 	    "==> nxge_set_priv_prop: name %s", pr_name));
4855 
4856 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
4857 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4858 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4859 		    "<== nxge_set_priv_prop: name %s "
4860 		    "pr_val %s result %d "
4861 		    "param %d is_jumbo %d",
4862 		    pr_name, pr_val, result,
4863 		    param_arr[param_accept_jumbo].value,
4864 		    nxgep->mac.is_jumbo));
4865 
4866 		if (result > 1 || result < 0) {
4867 			err = EINVAL;
4868 		} else {
4869 			if (nxgep->mac.is_jumbo ==
4870 			    (uint32_t)result) {
4871 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4872 				    "no change (%d %d)",
4873 				    nxgep->mac.is_jumbo,
4874 				    result));
4875 				return (0);
4876 			}
4877 		}
4878 
4879 		param_arr[param_accept_jumbo].value = result;
4880 		nxgep->mac.is_jumbo = B_FALSE;
4881 		if (result) {
4882 			nxgep->mac.is_jumbo = B_TRUE;
4883 		}
4884 
4885 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4886 		    "<== nxge_set_priv_prop: name %s (value %d) is_jumbo %d",
4887 		    pr_name, result, nxgep->mac.is_jumbo));
4888 
4889 		return (err);
4890 	}
4891 
4892 	/* Blanking */
4893 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
4894 		err = nxge_param_rx_intr_time(nxgep, NULL, NULL,
4895 		    (char *)pr_val,
4896 		    (caddr_t)&param_arr[param_rxdma_intr_time]);
4897 		if (err) {
4898 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4899 			    "<== nxge_set_priv_prop: "
4900 			    "unable to set (%s)", pr_name));
4901 			err = EINVAL;
4902 		} else {
4903 			err = 0;
4904 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4905 			    "<== nxge_set_priv_prop: "
4906 			    "set (%s)", pr_name));
4907 		}
4908 
4909 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4910 		    "<== nxge_set_priv_prop: name %s (value %d)",
4911 		    pr_name, result));
4912 
4913 		return (err);
4914 	}
4915 
4916 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
4917 		err = nxge_param_rx_intr_pkts(nxgep, NULL, NULL,
4918 		    (char *)pr_val,
4919 		    (caddr_t)&param_arr[param_rxdma_intr_pkts]);
4920 		if (err) {
4921 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4922 			    "<== nxge_set_priv_prop: "
4923 			    "unable to set (%s)", pr_name));
4924 			err = EINVAL;
4925 		} else {
4926 			err = 0;
4927 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4928 			    "<== nxge_set_priv_prop: "
4929 			    "set (%s)", pr_name));
4930 		}
4931 
4932 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4933 		    "<== nxge_set_priv_prop: name %s (value %d)",
4934 		    pr_name, result));
4935 
4936 		return (err);
4937 	}
4938 
4939 	/* Classification */
4940 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
4941 		if (pr_val == NULL) {
4942 			err = EINVAL;
4943 			return (err);
4944 		}
4945 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4946 
4947 		err = nxge_param_set_ip_opt(nxgep, NULL,
4948 		    NULL, (char *)pr_val,
4949 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
4950 
4951 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4952 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4953 		    pr_name, result));
4954 
4955 		return (err);
4956 	}
4957 
4958 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
4959 		if (pr_val == NULL) {
4960 			err = EINVAL;
4961 			return (err);
4962 		}
4963 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4964 
4965 		err = nxge_param_set_ip_opt(nxgep, NULL,
4966 		    NULL, (char *)pr_val,
4967 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
4968 
4969 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4970 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4971 		    pr_name, result));
4972 
4973 		return (err);
4974 	}
4975 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
4976 		if (pr_val == NULL) {
4977 			err = EINVAL;
4978 			return (err);
4979 		}
4980 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4981 
4982 		err = nxge_param_set_ip_opt(nxgep, NULL,
4983 		    NULL, (char *)pr_val,
4984 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
4985 
4986 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4987 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4988 		    pr_name, result));
4989 
4990 		return (err);
4991 	}
4992 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
4993 		if (pr_val == NULL) {
4994 			err = EINVAL;
4995 			return (err);
4996 		}
4997 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4998 
4999 		err = nxge_param_set_ip_opt(nxgep, NULL,
5000 		    NULL, (char *)pr_val,
5001 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
5002 
5003 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5004 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5005 		    pr_name, result));
5006 
5007 		return (err);
5008 	}
5009 
5010 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
5011 		if (pr_val == NULL) {
5012 			err = EINVAL;
5013 			return (err);
5014 		}
5015 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5016 
5017 		err = nxge_param_set_ip_opt(nxgep, NULL,
5018 		    NULL, (char *)pr_val,
5019 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
5020 
5021 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5022 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5023 		    pr_name, result));
5024 
5025 		return (err);
5026 	}
5027 
5028 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
5029 		if (pr_val == NULL) {
5030 			err = EINVAL;
5031 			return (err);
5032 		}
5033 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5034 
5035 		err = nxge_param_set_ip_opt(nxgep, NULL,
5036 		    NULL, (char *)pr_val,
5037 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5038 
5039 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5040 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5041 		    pr_name, result));
5042 
5043 		return (err);
5044 	}
5045 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5046 		if (pr_val == NULL) {
5047 			err = EINVAL;
5048 			return (err);
5049 		}
5050 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5051 
5052 		err = nxge_param_set_ip_opt(nxgep, NULL,
5053 		    NULL, (char *)pr_val,
5054 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5055 
5056 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5057 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5058 		    pr_name, result));
5059 
5060 		return (err);
5061 	}
5062 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5063 		if (pr_val == NULL) {
5064 			err = EINVAL;
5065 			return (err);
5066 		}
5067 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5068 
5069 		err = nxge_param_set_ip_opt(nxgep, NULL,
5070 		    NULL, (char *)pr_val,
5071 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5072 
5073 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5074 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5075 		    pr_name, result));
5076 
5077 		return (err);
5078 	}
5079 
5080 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5081 		if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
5082 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5083 			    "==> nxge_set_priv_prop: name %s (busy)", pr_name));
5084 			err = EBUSY;
5085 			return (err);
5086 		}
5087 		if (pr_val == NULL) {
5088 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5089 			    "==> nxge_set_priv_prop: name %s (null)", pr_name));
5090 			err = EINVAL;
5091 			return (err);
5092 		}
5093 
5094 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5095 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5096 		    "<== nxge_set_priv_prop: name %s "
5097 		    "(lso %d pr_val %s value %d)",
5098 		    pr_name, nxgep->soft_lso_enable, pr_val, result));
5099 
5100 		if (result > 1 || result < 0) {
5101 			err = EINVAL;
5102 		} else {
5103 			if (nxgep->soft_lso_enable == (uint32_t)result) {
5104 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5105 				    "no change (%d %d)",
5106 				    nxgep->soft_lso_enable, result));
5107 				return (0);
5108 			}
5109 		}
5110 
5111 		nxgep->soft_lso_enable = (int)result;
5112 
5113 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5114 		    "<== nxge_set_priv_prop: name %s (value %d)",
5115 		    pr_name, result));
5116 
5117 		return (err);
5118 	}
5119 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5120 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5121 		    (caddr_t)&param_arr[param_anar_10gfdx]);
5122 		return (err);
5123 	}
5124 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5125 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5126 		    (caddr_t)&param_arr[param_anar_pause]);
5127 		return (err);
5128 	}
5129 
5130 	return (EINVAL);
5131 }
5132 
5133 static int
5134 nxge_get_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_flags,
5135     uint_t pr_valsize, void *pr_val)
5136 {
5137 	p_nxge_param_t	param_arr = nxgep->param_arr;
5138 	char		valstr[MAXNAMELEN];
5139 	int		err = EINVAL;
5140 	uint_t		strsize;
5141 	boolean_t	is_default = (pr_flags & DLD_DEFAULT);
5142 
5143 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5144 	    "==> nxge_get_priv_prop: property %s", pr_name));
5145 
5146 	/* function number */
5147 	if (strcmp(pr_name, "_function_number") == 0) {
5148 		if (is_default)
5149 			return (ENOTSUP);
5150 		(void) snprintf(valstr, sizeof (valstr), "%d",
5151 		    nxgep->function_num);
5152 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5153 		    "==> nxge_get_priv_prop: name %s "
5154 		    "(value %d valstr %s)",
5155 		    pr_name, nxgep->function_num, valstr));
5156 
5157 		err = 0;
5158 		goto done;
5159 	}
5160 
5161 	/* Neptune firmware version */
5162 	if (strcmp(pr_name, "_fw_version") == 0) {
5163 		if (is_default)
5164 			return (ENOTSUP);
5165 		(void) snprintf(valstr, sizeof (valstr), "%s",
5166 		    nxgep->vpd_info.ver);
5167 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5168 		    "==> nxge_get_priv_prop: name %s "
5169 		    "(value %d valstr %s)",
5170 		    pr_name, nxgep->vpd_info.ver, valstr));
5171 
5172 		err = 0;
5173 		goto done;
5174 	}
5175 
5176 	/* port PHY mode */
5177 	if (strcmp(pr_name, "_port_mode") == 0) {
5178 		if (is_default)
5179 			return (ENOTSUP);
5180 		switch (nxgep->mac.portmode) {
5181 		case PORT_1G_COPPER:
5182 			(void) snprintf(valstr, sizeof (valstr), "1G copper %s",
5183 			    nxgep->hot_swappable_phy ?
5184 			    "[Hot Swappable]" : "");
5185 			break;
5186 		case PORT_1G_FIBER:
5187 			(void) snprintf(valstr, sizeof (valstr), "1G fiber %s",
5188 			    nxgep->hot_swappable_phy ?
5189 			    "[hot swappable]" : "");
5190 			break;
5191 		case PORT_10G_COPPER:
5192 			(void) snprintf(valstr, sizeof (valstr),
5193 			    "10G copper %s",
5194 			    nxgep->hot_swappable_phy ?
5195 			    "[hot swappable]" : "");
5196 			break;
5197 		case PORT_10G_FIBER:
5198 			(void) snprintf(valstr, sizeof (valstr), "10G fiber %s",
5199 			    nxgep->hot_swappable_phy ?
5200 			    "[hot swappable]" : "");
5201 			break;
5202 		case PORT_10G_SERDES:
5203 			(void) snprintf(valstr, sizeof (valstr),
5204 			    "10G serdes %s", nxgep->hot_swappable_phy ?
5205 			    "[hot swappable]" : "");
5206 			break;
5207 		case PORT_1G_SERDES:
5208 			(void) snprintf(valstr, sizeof (valstr), "1G serdes %s",
5209 			    nxgep->hot_swappable_phy ?
5210 			    "[hot swappable]" : "");
5211 			break;
5212 		case PORT_1G_RGMII_FIBER:
5213 			(void) snprintf(valstr, sizeof (valstr),
5214 			    "1G rgmii fiber %s", nxgep->hot_swappable_phy ?
5215 			    "[hot swappable]" : "");
5216 			break;
5217 		case PORT_HSP_MODE:
5218 			(void) snprintf(valstr, sizeof (valstr),
5219 			    "phy not present[hot swappable]");
5220 			break;
5221 		default:
5222 			(void) snprintf(valstr, sizeof (valstr), "unknown %s",
5223 			    nxgep->hot_swappable_phy ?
5224 			    "[hot swappable]" : "");
5225 			break;
5226 		}
5227 
5228 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5229 		    "==> nxge_get_priv_prop: name %s (value %s)",
5230 		    pr_name, valstr));
5231 
5232 		err = 0;
5233 		goto done;
5234 	}
5235 
5236 	/* Hot swappable PHY */
5237 	if (strcmp(pr_name, "_hot_swap_phy") == 0) {
5238 		if (is_default)
5239 			return (ENOTSUP);
5240 		(void) snprintf(valstr, sizeof (valstr), "%s",
5241 		    nxgep->hot_swappable_phy ?
5242 		    "yes" : "no");
5243 
5244 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5245 		    "==> nxge_get_priv_prop: name %s "
5246 		    "(value %d valstr %s)",
5247 		    pr_name, nxgep->hot_swappable_phy, valstr));
5248 
5249 		err = 0;
5250 		goto done;
5251 	}
5252 
5253 
5254 	/* accept jumbo */
5255 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
5256 		if (is_default)
5257 			(void) snprintf(valstr, sizeof (valstr),  "%d", 0);
5258 		else
5259 			(void) snprintf(valstr, sizeof (valstr),
5260 			    "%d", nxgep->mac.is_jumbo);
5261 		err = 0;
5262 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5263 		    "==> nxge_get_priv_prop: name %s (value %d (%d, %d))",
5264 		    pr_name,
5265 		    (uint32_t)param_arr[param_accept_jumbo].value,
5266 		    nxgep->mac.is_jumbo,
5267 		    nxge_jumbo_enable));
5268 
5269 		goto done;
5270 	}
5271 
5272 	/* Receive Interrupt Blanking Parameters */
5273 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
5274 		err = 0;
5275 		if (is_default) {
5276 			(void) snprintf(valstr, sizeof (valstr),
5277 			    "%d", RXDMA_RCR_TO_DEFAULT);
5278 			goto done;
5279 		}
5280 
5281 		(void) snprintf(valstr, sizeof (valstr), "%d",
5282 		    nxgep->intr_timeout);
5283 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5284 		    "==> nxge_get_priv_prop: name %s (value %d)",
5285 		    pr_name,
5286 		    (uint32_t)nxgep->intr_timeout));
5287 		goto done;
5288 	}
5289 
5290 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
5291 		err = 0;
5292 		if (is_default) {
5293 			(void) snprintf(valstr, sizeof (valstr),
5294 			    "%d", RXDMA_RCR_PTHRES_DEFAULT);
5295 			goto done;
5296 		}
5297 		(void) snprintf(valstr, sizeof (valstr), "%d",
5298 		    nxgep->intr_threshold);
5299 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5300 		    "==> nxge_get_priv_prop: name %s (value %d)",
5301 		    pr_name, (uint32_t)nxgep->intr_threshold));
5302 
5303 		goto done;
5304 	}
5305 
5306 	/* Classification and Load Distribution Configuration */
5307 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
5308 		if (is_default) {
5309 			(void) snprintf(valstr, sizeof (valstr), "%x",
5310 			    NXGE_CLASS_FLOW_GEN_SERVER);
5311 			err = 0;
5312 			goto done;
5313 		}
5314 		err = nxge_dld_get_ip_opt(nxgep,
5315 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
5316 
5317 		(void) snprintf(valstr, sizeof (valstr), "%x",
5318 		    (int)param_arr[param_class_opt_ipv4_tcp].value);
5319 
5320 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5321 		    "==> nxge_get_priv_prop: %s", valstr));
5322 		goto done;
5323 	}
5324 
5325 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
5326 		if (is_default) {
5327 			(void) snprintf(valstr, sizeof (valstr), "%x",
5328 			    NXGE_CLASS_FLOW_GEN_SERVER);
5329 			err = 0;
5330 			goto done;
5331 		}
5332 		err = nxge_dld_get_ip_opt(nxgep,
5333 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
5334 
5335 		(void) snprintf(valstr, sizeof (valstr), "%x",
5336 		    (int)param_arr[param_class_opt_ipv4_udp].value);
5337 
5338 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5339 		    "==> nxge_get_priv_prop: %s", valstr));
5340 		goto done;
5341 	}
5342 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
5343 		if (is_default) {
5344 			(void) snprintf(valstr, sizeof (valstr), "%x",
5345 			    NXGE_CLASS_FLOW_GEN_SERVER);
5346 			err = 0;
5347 			goto done;
5348 		}
5349 		err = nxge_dld_get_ip_opt(nxgep,
5350 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
5351 
5352 		(void) snprintf(valstr, sizeof (valstr), "%x",
5353 		    (int)param_arr[param_class_opt_ipv4_ah].value);
5354 
5355 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5356 		    "==> nxge_get_priv_prop: %s", valstr));
5357 		goto done;
5358 	}
5359 
5360 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
5361 		if (is_default) {
5362 			(void) snprintf(valstr, sizeof (valstr), "%x",
5363 			    NXGE_CLASS_FLOW_GEN_SERVER);
5364 			err = 0;
5365 			goto done;
5366 		}
5367 		err = nxge_dld_get_ip_opt(nxgep,
5368 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
5369 
5370 		(void) snprintf(valstr, sizeof (valstr), "%x",
5371 		    (int)param_arr[param_class_opt_ipv4_sctp].value);
5372 
5373 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5374 		    "==> nxge_get_priv_prop: %s", valstr));
5375 		goto done;
5376 	}
5377 
5378 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
5379 		if (is_default) {
5380 			(void) snprintf(valstr, sizeof (valstr), "%x",
5381 			    NXGE_CLASS_FLOW_GEN_SERVER);
5382 			err = 0;
5383 			goto done;
5384 		}
5385 		err = nxge_dld_get_ip_opt(nxgep,
5386 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
5387 
5388 		(void) snprintf(valstr, sizeof (valstr), "%x",
5389 		    (int)param_arr[param_class_opt_ipv6_tcp].value);
5390 
5391 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5392 		    "==> nxge_get_priv_prop: %s", valstr));
5393 		goto done;
5394 	}
5395 
5396 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
5397 		if (is_default) {
5398 			(void) snprintf(valstr, sizeof (valstr), "%x",
5399 			    NXGE_CLASS_FLOW_GEN_SERVER);
5400 			err = 0;
5401 			goto done;
5402 		}
5403 		err = nxge_dld_get_ip_opt(nxgep,
5404 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5405 
5406 		(void) snprintf(valstr, sizeof (valstr), "%x",
5407 		    (int)param_arr[param_class_opt_ipv6_udp].value);
5408 
5409 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5410 		    "==> nxge_get_priv_prop: %s", valstr));
5411 		goto done;
5412 	}
5413 
5414 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5415 		if (is_default) {
5416 			(void) snprintf(valstr, sizeof (valstr), "%x",
5417 			    NXGE_CLASS_FLOW_GEN_SERVER);
5418 			err = 0;
5419 			goto done;
5420 		}
5421 		err = nxge_dld_get_ip_opt(nxgep,
5422 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5423 
5424 		(void) snprintf(valstr, sizeof (valstr), "%x",
5425 		    (int)param_arr[param_class_opt_ipv6_ah].value);
5426 
5427 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5428 		    "==> nxge_get_priv_prop: %s", valstr));
5429 		goto done;
5430 	}
5431 
5432 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5433 		if (is_default) {
5434 			(void) snprintf(valstr, sizeof (valstr), "%x",
5435 			    NXGE_CLASS_FLOW_GEN_SERVER);
5436 			err = 0;
5437 			goto done;
5438 		}
5439 		err = nxge_dld_get_ip_opt(nxgep,
5440 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5441 
5442 		(void) snprintf(valstr, sizeof (valstr), "%x",
5443 		    (int)param_arr[param_class_opt_ipv6_sctp].value);
5444 
5445 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5446 		    "==> nxge_get_priv_prop: %s", valstr));
5447 		goto done;
5448 	}
5449 
5450 	/* Software LSO */
5451 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5452 		if (is_default) {
5453 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5454 			err = 0;
5455 			goto done;
5456 		}
5457 		(void) snprintf(valstr, sizeof (valstr),
5458 		    "%d", nxgep->soft_lso_enable);
5459 		err = 0;
5460 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5461 		    "==> nxge_get_priv_prop: name %s (value %d)",
5462 		    pr_name, nxgep->soft_lso_enable));
5463 
5464 		goto done;
5465 	}
5466 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5467 		err = 0;
5468 		if (is_default ||
5469 		    nxgep->param_arr[param_anar_10gfdx].value != 0) {
5470 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5471 			goto done;
5472 		} else {
5473 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5474 			goto done;
5475 		}
5476 	}
5477 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5478 		err = 0;
5479 		if (is_default ||
5480 		    nxgep->param_arr[param_anar_pause].value != 0) {
5481 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5482 			goto done;
5483 		} else {
5484 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5485 			goto done;
5486 		}
5487 	}
5488 
5489 done:
5490 	if (err == 0) {
5491 		strsize = (uint_t)strlen(valstr);
5492 		if (pr_valsize < strsize) {
5493 			err = ENOBUFS;
5494 		} else {
5495 			(void) strlcpy(pr_val, valstr, pr_valsize);
5496 		}
5497 	}
5498 
5499 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5500 	    "<== nxge_get_priv_prop: return %d", err));
5501 	return (err);
5502 }
5503 
5504 /*
5505  * Module loading and removing entry points.
5506  */
5507 
5508 DDI_DEFINE_STREAM_OPS(nxge_dev_ops, nulldev, nulldev, nxge_attach, nxge_detach,
5509     nodev, NULL, D_MP, NULL);
5510 
5511 #define	NXGE_DESC_VER		"Sun NIU 10Gb Ethernet"
5512 
5513 /*
5514  * Module linkage information for the kernel.
5515  */
5516 static struct modldrv 	nxge_modldrv = {
5517 	&mod_driverops,
5518 	NXGE_DESC_VER,
5519 	&nxge_dev_ops
5520 };
5521 
5522 static struct modlinkage modlinkage = {
5523 	MODREV_1, (void *) &nxge_modldrv, NULL
5524 };
5525 
5526 int
5527 _init(void)
5528 {
5529 	int		status;
5530 
5531 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
5532 	mac_init_ops(&nxge_dev_ops, "nxge");
5533 	status = ddi_soft_state_init(&nxge_list, sizeof (nxge_t), 0);
5534 	if (status != 0) {
5535 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
5536 		    "failed to init device soft state"));
5537 		goto _init_exit;
5538 	}
5539 	status = mod_install(&modlinkage);
5540 	if (status != 0) {
5541 		ddi_soft_state_fini(&nxge_list);
5542 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL, "Mod install failed"));
5543 		goto _init_exit;
5544 	}
5545 
5546 	MUTEX_INIT(&nxge_common_lock, NULL, MUTEX_DRIVER, NULL);
5547 
5548 _init_exit:
5549 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
5550 
5551 	return (status);
5552 }
5553 
5554 int
5555 _fini(void)
5556 {
5557 	int		status;
5558 
5559 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
5560 
5561 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
5562 
5563 	if (nxge_mblks_pending)
5564 		return (EBUSY);
5565 
5566 	status = mod_remove(&modlinkage);
5567 	if (status != DDI_SUCCESS) {
5568 		NXGE_DEBUG_MSG((NULL, MOD_CTL,
5569 		    "Module removal failed 0x%08x",
5570 		    status));
5571 		goto _fini_exit;
5572 	}
5573 
5574 	mac_fini_ops(&nxge_dev_ops);
5575 
5576 	ddi_soft_state_fini(&nxge_list);
5577 
5578 	MUTEX_DESTROY(&nxge_common_lock);
5579 _fini_exit:
5580 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
5581 
5582 	return (status);
5583 }
5584 
5585 int
5586 _info(struct modinfo *modinfop)
5587 {
5588 	int		status;
5589 
5590 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
5591 	status = mod_info(&modlinkage, modinfop);
5592 	NXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
5593 
5594 	return (status);
5595 }
5596 
5597 /*ARGSUSED*/
5598 static nxge_status_t
5599 nxge_add_intrs(p_nxge_t nxgep)
5600 {
5601 
5602 	int		intr_types;
5603 	int		type = 0;
5604 	int		ddi_status = DDI_SUCCESS;
5605 	nxge_status_t	status = NXGE_OK;
5606 
5607 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs"));
5608 
5609 	nxgep->nxge_intr_type.intr_registered = B_FALSE;
5610 	nxgep->nxge_intr_type.intr_enabled = B_FALSE;
5611 	nxgep->nxge_intr_type.msi_intx_cnt = 0;
5612 	nxgep->nxge_intr_type.intr_added = 0;
5613 	nxgep->nxge_intr_type.niu_msi_enable = B_FALSE;
5614 	nxgep->nxge_intr_type.intr_type = 0;
5615 
5616 	if (nxgep->niu_type == N2_NIU) {
5617 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5618 	} else if (nxge_msi_enable) {
5619 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5620 	}
5621 
5622 	/* Get the supported interrupt types */
5623 	if ((ddi_status = ddi_intr_get_supported_types(nxgep->dip, &intr_types))
5624 	    != DDI_SUCCESS) {
5625 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_intrs: "
5626 		    "ddi_intr_get_supported_types failed: status 0x%08x",
5627 		    ddi_status));
5628 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5629 	}
5630 	nxgep->nxge_intr_type.intr_types = intr_types;
5631 
5632 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5633 	    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5634 
5635 	/*
5636 	 * Solaris MSIX is not supported yet. use MSI for now.
5637 	 * nxge_msi_enable (1):
5638 	 *	1 - MSI		2 - MSI-X	others - FIXED
5639 	 */
5640 	switch (nxge_msi_enable) {
5641 	default:
5642 		type = DDI_INTR_TYPE_FIXED;
5643 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5644 		    "use fixed (intx emulation) type %08x",
5645 		    type));
5646 		break;
5647 
5648 	case 2:
5649 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5650 		    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5651 		if (intr_types & DDI_INTR_TYPE_MSIX) {
5652 			type = DDI_INTR_TYPE_MSIX;
5653 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5654 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5655 			    type));
5656 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
5657 			type = DDI_INTR_TYPE_MSI;
5658 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5659 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5660 			    type));
5661 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5662 			type = DDI_INTR_TYPE_FIXED;
5663 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5664 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5665 			    type));
5666 		}
5667 		break;
5668 
5669 	case 1:
5670 		if (intr_types & DDI_INTR_TYPE_MSI) {
5671 			type = DDI_INTR_TYPE_MSI;
5672 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5673 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5674 			    type));
5675 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
5676 			type = DDI_INTR_TYPE_MSIX;
5677 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5678 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5679 			    type));
5680 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5681 			type = DDI_INTR_TYPE_FIXED;
5682 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5683 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5684 			    type));
5685 		}
5686 	}
5687 
5688 	nxgep->nxge_intr_type.intr_type = type;
5689 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
5690 	    type == DDI_INTR_TYPE_FIXED) &&
5691 	    nxgep->nxge_intr_type.niu_msi_enable) {
5692 		if ((status = nxge_add_intrs_adv(nxgep)) != DDI_SUCCESS) {
5693 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5694 			    " nxge_add_intrs: "
5695 			    " nxge_add_intrs_adv failed: status 0x%08x",
5696 			    status));
5697 			return (status);
5698 		} else {
5699 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5700 			    "interrupts registered : type %d", type));
5701 			nxgep->nxge_intr_type.intr_registered = B_TRUE;
5702 
5703 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5704 			    "\nAdded advanced nxge add_intr_adv "
5705 			    "intr type 0x%x\n", type));
5706 
5707 			return (status);
5708 		}
5709 	}
5710 
5711 	if (!nxgep->nxge_intr_type.intr_registered) {
5712 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_add_intrs: "
5713 		    "failed to register interrupts"));
5714 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5715 	}
5716 
5717 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_add_intrs"));
5718 	return (status);
5719 }
5720 
5721 /*ARGSUSED*/
5722 static nxge_status_t
5723 nxge_add_soft_intrs(p_nxge_t nxgep)
5724 {
5725 
5726 	int		ddi_status = DDI_SUCCESS;
5727 	nxge_status_t	status = NXGE_OK;
5728 
5729 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_soft_intrs"));
5730 
5731 	nxgep->resched_id = NULL;
5732 	nxgep->resched_running = B_FALSE;
5733 	ddi_status = ddi_add_softintr(nxgep->dip, DDI_SOFTINT_LOW,
5734 	    &nxgep->resched_id,
5735 	    NULL, NULL, nxge_reschedule, (caddr_t)nxgep);
5736 	if (ddi_status != DDI_SUCCESS) {
5737 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_soft_intrs: "
5738 		    "ddi_add_softintrs failed: status 0x%08x",
5739 		    ddi_status));
5740 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5741 	}
5742 
5743 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_ddi_add_soft_intrs"));
5744 
5745 	return (status);
5746 }
5747 
5748 static nxge_status_t
5749 nxge_add_intrs_adv(p_nxge_t nxgep)
5750 {
5751 	int		intr_type;
5752 	p_nxge_intr_t	intrp;
5753 
5754 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv"));
5755 
5756 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5757 	intr_type = intrp->intr_type;
5758 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv: type 0x%x",
5759 	    intr_type));
5760 
5761 	switch (intr_type) {
5762 	case DDI_INTR_TYPE_MSI: /* 0x2 */
5763 	case DDI_INTR_TYPE_MSIX: /* 0x4 */
5764 		return (nxge_add_intrs_adv_type(nxgep, intr_type));
5765 
5766 	case DDI_INTR_TYPE_FIXED: /* 0x1 */
5767 		return (nxge_add_intrs_adv_type_fix(nxgep, intr_type));
5768 
5769 	default:
5770 		return (NXGE_ERROR);
5771 	}
5772 }
5773 
5774 
5775 /*ARGSUSED*/
5776 static nxge_status_t
5777 nxge_add_intrs_adv_type(p_nxge_t nxgep, uint32_t int_type)
5778 {
5779 	dev_info_t		*dip = nxgep->dip;
5780 	p_nxge_ldg_t		ldgp;
5781 	p_nxge_intr_t		intrp;
5782 	uint_t			*inthandler;
5783 	void			*arg1, *arg2;
5784 	int			behavior;
5785 	int			nintrs, navail, nrequest;
5786 	int			nactual, nrequired;
5787 	int			inum = 0;
5788 	int			x, y;
5789 	int			ddi_status = DDI_SUCCESS;
5790 	nxge_status_t		status = NXGE_OK;
5791 
5792 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type"));
5793 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5794 	intrp->start_inum = 0;
5795 
5796 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
5797 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
5798 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5799 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
5800 		    "nintrs: %d", ddi_status, nintrs));
5801 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5802 	}
5803 
5804 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
5805 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
5806 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5807 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
5808 		    "nintrs: %d", ddi_status, navail));
5809 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5810 	}
5811 
5812 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
5813 	    "ddi_intr_get_navail() returned: nintrs %d, navail %d",
5814 	    nintrs, navail));
5815 
5816 	/* PSARC/2007/453 MSI-X interrupt limit override */
5817 	if (int_type == DDI_INTR_TYPE_MSIX) {
5818 		nrequest = nxge_create_msi_property(nxgep);
5819 		if (nrequest < navail) {
5820 			navail = nrequest;
5821 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5822 			    "nxge_add_intrs_adv_type: nintrs %d "
5823 			    "navail %d (nrequest %d)",
5824 			    nintrs, navail, nrequest));
5825 		}
5826 	}
5827 
5828 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
5829 		/* MSI must be power of 2 */
5830 		if ((navail & 16) == 16) {
5831 			navail = 16;
5832 		} else if ((navail & 8) == 8) {
5833 			navail = 8;
5834 		} else if ((navail & 4) == 4) {
5835 			navail = 4;
5836 		} else if ((navail & 2) == 2) {
5837 			navail = 2;
5838 		} else {
5839 			navail = 1;
5840 		}
5841 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5842 		    "ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
5843 		    "navail %d", nintrs, navail));
5844 	}
5845 
5846 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
5847 	    DDI_INTR_ALLOC_NORMAL);
5848 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
5849 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
5850 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
5851 	    navail, &nactual, behavior);
5852 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
5853 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5854 		    " ddi_intr_alloc() failed: %d",
5855 		    ddi_status));
5856 		kmem_free(intrp->htable, intrp->intr_size);
5857 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5858 	}
5859 
5860 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
5861 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
5862 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5863 		    " ddi_intr_get_pri() failed: %d",
5864 		    ddi_status));
5865 		/* Free already allocated interrupts */
5866 		for (y = 0; y < nactual; y++) {
5867 			(void) ddi_intr_free(intrp->htable[y]);
5868 		}
5869 
5870 		kmem_free(intrp->htable, intrp->intr_size);
5871 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5872 	}
5873 
5874 	nrequired = 0;
5875 	switch (nxgep->niu_type) {
5876 	default:
5877 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
5878 		break;
5879 
5880 	case N2_NIU:
5881 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
5882 		break;
5883 	}
5884 
5885 	if (status != NXGE_OK) {
5886 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5887 		    "nxge_add_intrs_adv_typ:nxge_ldgv_init "
5888 		    "failed: 0x%x", status));
5889 		/* Free already allocated interrupts */
5890 		for (y = 0; y < nactual; y++) {
5891 			(void) ddi_intr_free(intrp->htable[y]);
5892 		}
5893 
5894 		kmem_free(intrp->htable, intrp->intr_size);
5895 		return (status);
5896 	}
5897 
5898 	ldgp = nxgep->ldgvp->ldgp;
5899 	for (x = 0; x < nrequired; x++, ldgp++) {
5900 		ldgp->vector = (uint8_t)x;
5901 		ldgp->intdata = SID_DATA(ldgp->func, x);
5902 		arg1 = ldgp->ldvp;
5903 		arg2 = nxgep;
5904 		if (ldgp->nldvs == 1) {
5905 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
5906 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5907 			    "nxge_add_intrs_adv_type: "
5908 			    "arg1 0x%x arg2 0x%x: "
5909 			    "1-1 int handler (entry %d intdata 0x%x)\n",
5910 			    arg1, arg2,
5911 			    x, ldgp->intdata));
5912 		} else if (ldgp->nldvs > 1) {
5913 			inthandler = (uint_t *)ldgp->sys_intr_handler;
5914 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5915 			    "nxge_add_intrs_adv_type: "
5916 			    "arg1 0x%x arg2 0x%x: "
5917 			    "nldevs %d int handler "
5918 			    "(entry %d intdata 0x%x)\n",
5919 			    arg1, arg2,
5920 			    ldgp->nldvs, x, ldgp->intdata));
5921 		}
5922 
5923 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5924 		    "==> nxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
5925 		    "htable 0x%llx", x, intrp->htable[x]));
5926 
5927 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
5928 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
5929 		    != DDI_SUCCESS) {
5930 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5931 			    "==> nxge_add_intrs_adv_type: failed #%d "
5932 			    "status 0x%x", x, ddi_status));
5933 			for (y = 0; y < intrp->intr_added; y++) {
5934 				(void) ddi_intr_remove_handler(
5935 				    intrp->htable[y]);
5936 			}
5937 			/* Free already allocated intr */
5938 			for (y = 0; y < nactual; y++) {
5939 				(void) ddi_intr_free(intrp->htable[y]);
5940 			}
5941 			kmem_free(intrp->htable, intrp->intr_size);
5942 
5943 			(void) nxge_ldgv_uninit(nxgep);
5944 
5945 			return (NXGE_ERROR | NXGE_DDI_FAILED);
5946 		}
5947 		intrp->intr_added++;
5948 	}
5949 
5950 	intrp->msi_intx_cnt = nactual;
5951 
5952 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5953 	    "Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
5954 	    navail, nactual,
5955 	    intrp->msi_intx_cnt,
5956 	    intrp->intr_added));
5957 
5958 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
5959 
5960 	(void) nxge_intr_ldgv_init(nxgep);
5961 
5962 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type"));
5963 
5964 	return (status);
5965 }
5966 
5967 /*ARGSUSED*/
5968 static nxge_status_t
5969 nxge_add_intrs_adv_type_fix(p_nxge_t nxgep, uint32_t int_type)
5970 {
5971 	dev_info_t		*dip = nxgep->dip;
5972 	p_nxge_ldg_t		ldgp;
5973 	p_nxge_intr_t		intrp;
5974 	uint_t			*inthandler;
5975 	void			*arg1, *arg2;
5976 	int			behavior;
5977 	int			nintrs, navail;
5978 	int			nactual, nrequired;
5979 	int			inum = 0;
5980 	int			x, y;
5981 	int			ddi_status = DDI_SUCCESS;
5982 	nxge_status_t		status = NXGE_OK;
5983 
5984 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type_fix"));
5985 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5986 	intrp->start_inum = 0;
5987 
5988 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
5989 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
5990 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5991 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
5992 		    "nintrs: %d", status, nintrs));
5993 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5994 	}
5995 
5996 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
5997 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
5998 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5999 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
6000 		    "nintrs: %d", ddi_status, navail));
6001 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6002 	}
6003 
6004 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
6005 	    "ddi_intr_get_navail() returned: nintrs %d, naavail %d",
6006 	    nintrs, navail));
6007 
6008 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
6009 	    DDI_INTR_ALLOC_NORMAL);
6010 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
6011 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
6012 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
6013 	    navail, &nactual, behavior);
6014 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
6015 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6016 		    " ddi_intr_alloc() failed: %d",
6017 		    ddi_status));
6018 		kmem_free(intrp->htable, intrp->intr_size);
6019 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6020 	}
6021 
6022 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
6023 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
6024 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6025 		    " ddi_intr_get_pri() failed: %d",
6026 		    ddi_status));
6027 		/* Free already allocated interrupts */
6028 		for (y = 0; y < nactual; y++) {
6029 			(void) ddi_intr_free(intrp->htable[y]);
6030 		}
6031 
6032 		kmem_free(intrp->htable, intrp->intr_size);
6033 		return (NXGE_ERROR | NXGE_DDI_FAILED);
6034 	}
6035 
6036 	nrequired = 0;
6037 	switch (nxgep->niu_type) {
6038 	default:
6039 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
6040 		break;
6041 
6042 	case N2_NIU:
6043 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
6044 		break;
6045 	}
6046 
6047 	if (status != NXGE_OK) {
6048 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6049 		    "nxge_add_intrs_adv_type_fix:nxge_ldgv_init "
6050 		    "failed: 0x%x", status));
6051 		/* Free already allocated interrupts */
6052 		for (y = 0; y < nactual; y++) {
6053 			(void) ddi_intr_free(intrp->htable[y]);
6054 		}
6055 
6056 		kmem_free(intrp->htable, intrp->intr_size);
6057 		return (status);
6058 	}
6059 
6060 	ldgp = nxgep->ldgvp->ldgp;
6061 	for (x = 0; x < nrequired; x++, ldgp++) {
6062 		ldgp->vector = (uint8_t)x;
6063 		if (nxgep->niu_type != N2_NIU) {
6064 			ldgp->intdata = SID_DATA(ldgp->func, x);
6065 		}
6066 
6067 		arg1 = ldgp->ldvp;
6068 		arg2 = nxgep;
6069 		if (ldgp->nldvs == 1) {
6070 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
6071 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6072 			    "nxge_add_intrs_adv_type_fix: "
6073 			    "1-1 int handler(%d) ldg %d ldv %d "
6074 			    "arg1 $%p arg2 $%p\n",
6075 			    x, ldgp->ldg, ldgp->ldvp->ldv,
6076 			    arg1, arg2));
6077 		} else if (ldgp->nldvs > 1) {
6078 			inthandler = (uint_t *)ldgp->sys_intr_handler;
6079 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6080 			    "nxge_add_intrs_adv_type_fix: "
6081 			    "shared ldv %d int handler(%d) ldv %d ldg %d"
6082 			    "arg1 0x%016llx arg2 0x%016llx\n",
6083 			    x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
6084 			    arg1, arg2));
6085 		}
6086 
6087 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
6088 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
6089 		    != DDI_SUCCESS) {
6090 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6091 			    "==> nxge_add_intrs_adv_type_fix: failed #%d "
6092 			    "status 0x%x", x, ddi_status));
6093 			for (y = 0; y < intrp->intr_added; y++) {
6094 				(void) ddi_intr_remove_handler(
6095 				    intrp->htable[y]);
6096 			}
6097 			for (y = 0; y < nactual; y++) {
6098 				(void) ddi_intr_free(intrp->htable[y]);
6099 			}
6100 			/* Free already allocated intr */
6101 			kmem_free(intrp->htable, intrp->intr_size);
6102 
6103 			(void) nxge_ldgv_uninit(nxgep);
6104 
6105 			return (NXGE_ERROR | NXGE_DDI_FAILED);
6106 		}
6107 		intrp->intr_added++;
6108 	}
6109 
6110 	intrp->msi_intx_cnt = nactual;
6111 
6112 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
6113 
6114 	status = nxge_intr_ldgv_init(nxgep);
6115 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type_fix"));
6116 
6117 	return (status);
6118 }
6119 
6120 static void
6121 nxge_remove_intrs(p_nxge_t nxgep)
6122 {
6123 	int		i, inum;
6124 	p_nxge_intr_t	intrp;
6125 
6126 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs"));
6127 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6128 	if (!intrp->intr_registered) {
6129 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6130 		    "<== nxge_remove_intrs: interrupts not registered"));
6131 		return;
6132 	}
6133 
6134 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs:advanced"));
6135 
6136 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6137 		(void) ddi_intr_block_disable(intrp->htable,
6138 		    intrp->intr_added);
6139 	} else {
6140 		for (i = 0; i < intrp->intr_added; i++) {
6141 			(void) ddi_intr_disable(intrp->htable[i]);
6142 		}
6143 	}
6144 
6145 	for (inum = 0; inum < intrp->intr_added; inum++) {
6146 		if (intrp->htable[inum]) {
6147 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
6148 		}
6149 	}
6150 
6151 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
6152 		if (intrp->htable[inum]) {
6153 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6154 			    "nxge_remove_intrs: ddi_intr_free inum %d "
6155 			    "msi_intx_cnt %d intr_added %d",
6156 			    inum,
6157 			    intrp->msi_intx_cnt,
6158 			    intrp->intr_added));
6159 
6160 			(void) ddi_intr_free(intrp->htable[inum]);
6161 		}
6162 	}
6163 
6164 	kmem_free(intrp->htable, intrp->intr_size);
6165 	intrp->intr_registered = B_FALSE;
6166 	intrp->intr_enabled = B_FALSE;
6167 	intrp->msi_intx_cnt = 0;
6168 	intrp->intr_added = 0;
6169 
6170 	(void) nxge_ldgv_uninit(nxgep);
6171 
6172 	(void) ddi_prop_remove(DDI_DEV_T_NONE, nxgep->dip,
6173 	    "#msix-request");
6174 
6175 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_intrs"));
6176 }
6177 
6178 /*ARGSUSED*/
6179 static void
6180 nxge_remove_soft_intrs(p_nxge_t nxgep)
6181 {
6182 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_soft_intrs"));
6183 	if (nxgep->resched_id) {
6184 		ddi_remove_softintr(nxgep->resched_id);
6185 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6186 		    "==> nxge_remove_soft_intrs: removed"));
6187 		nxgep->resched_id = NULL;
6188 	}
6189 
6190 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_soft_intrs"));
6191 }
6192 
6193 /*ARGSUSED*/
6194 static void
6195 nxge_intrs_enable(p_nxge_t nxgep)
6196 {
6197 	p_nxge_intr_t	intrp;
6198 	int		i;
6199 	int		status;
6200 
6201 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable"));
6202 
6203 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6204 
6205 	if (!intrp->intr_registered) {
6206 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_intrs_enable: "
6207 		    "interrupts are not registered"));
6208 		return;
6209 	}
6210 
6211 	if (intrp->intr_enabled) {
6212 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6213 		    "<== nxge_intrs_enable: already enabled"));
6214 		return;
6215 	}
6216 
6217 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6218 		status = ddi_intr_block_enable(intrp->htable,
6219 		    intrp->intr_added);
6220 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6221 		    "block enable - status 0x%x total inums #%d\n",
6222 		    status, intrp->intr_added));
6223 	} else {
6224 		for (i = 0; i < intrp->intr_added; i++) {
6225 			status = ddi_intr_enable(intrp->htable[i]);
6226 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6227 			    "ddi_intr_enable:enable - status 0x%x "
6228 			    "total inums %d enable inum #%d\n",
6229 			    status, intrp->intr_added, i));
6230 			if (status == DDI_SUCCESS) {
6231 				intrp->intr_enabled = B_TRUE;
6232 			}
6233 		}
6234 	}
6235 
6236 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_enable"));
6237 }
6238 
6239 /*ARGSUSED*/
6240 static void
6241 nxge_intrs_disable(p_nxge_t nxgep)
6242 {
6243 	p_nxge_intr_t	intrp;
6244 	int		i;
6245 
6246 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_disable"));
6247 
6248 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6249 
6250 	if (!intrp->intr_registered) {
6251 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable: "
6252 		    "interrupts are not registered"));
6253 		return;
6254 	}
6255 
6256 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6257 		(void) ddi_intr_block_disable(intrp->htable,
6258 		    intrp->intr_added);
6259 	} else {
6260 		for (i = 0; i < intrp->intr_added; i++) {
6261 			(void) ddi_intr_disable(intrp->htable[i]);
6262 		}
6263 	}
6264 
6265 	intrp->intr_enabled = B_FALSE;
6266 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable"));
6267 }
6268 
6269 static nxge_status_t
6270 nxge_mac_register(p_nxge_t nxgep)
6271 {
6272 	mac_register_t *macp;
6273 	int		status;
6274 
6275 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_mac_register"));
6276 
6277 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
6278 		return (NXGE_ERROR);
6279 
6280 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
6281 	macp->m_driver = nxgep;
6282 	macp->m_dip = nxgep->dip;
6283 	macp->m_src_addr = nxgep->ouraddr.ether_addr_octet;
6284 	macp->m_callbacks = &nxge_m_callbacks;
6285 	macp->m_min_sdu = 0;
6286 	nxgep->mac.default_mtu = nxgep->mac.maxframesize -
6287 	    NXGE_EHEADER_VLAN_CRC;
6288 	macp->m_max_sdu = nxgep->mac.default_mtu;
6289 	macp->m_margin = VLAN_TAGSZ;
6290 	macp->m_priv_props = nxge_priv_props;
6291 	macp->m_priv_prop_count = NXGE_MAX_PRIV_PROPS;
6292 
6293 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
6294 	    "==> nxge_mac_register: instance %d "
6295 	    "max_sdu %d margin %d maxframe %d (header %d)",
6296 	    nxgep->instance,
6297 	    macp->m_max_sdu, macp->m_margin,
6298 	    nxgep->mac.maxframesize,
6299 	    NXGE_EHEADER_VLAN_CRC));
6300 
6301 	status = mac_register(macp, &nxgep->mach);
6302 	mac_free(macp);
6303 
6304 	if (status != 0) {
6305 		cmn_err(CE_WARN,
6306 		    "!nxge_mac_register failed (status %d instance %d)",
6307 		    status, nxgep->instance);
6308 		return (NXGE_ERROR);
6309 	}
6310 
6311 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_mac_register success "
6312 	    "(instance %d)", nxgep->instance));
6313 
6314 	return (NXGE_OK);
6315 }
6316 
6317 void
6318 nxge_err_inject(p_nxge_t nxgep, queue_t *wq, mblk_t *mp)
6319 {
6320 	ssize_t		size;
6321 	mblk_t		*nmp;
6322 	uint8_t		blk_id;
6323 	uint8_t		chan;
6324 	uint32_t	err_id;
6325 	err_inject_t	*eip;
6326 
6327 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_err_inject"));
6328 
6329 	size = 1024;
6330 	nmp = mp->b_cont;
6331 	eip = (err_inject_t *)nmp->b_rptr;
6332 	blk_id = eip->blk_id;
6333 	err_id = eip->err_id;
6334 	chan = eip->chan;
6335 	cmn_err(CE_NOTE, "!blk_id = 0x%x\n", blk_id);
6336 	cmn_err(CE_NOTE, "!err_id = 0x%x\n", err_id);
6337 	cmn_err(CE_NOTE, "!chan = 0x%x\n", chan);
6338 	switch (blk_id) {
6339 	case MAC_BLK_ID:
6340 		break;
6341 	case TXMAC_BLK_ID:
6342 		break;
6343 	case RXMAC_BLK_ID:
6344 		break;
6345 	case MIF_BLK_ID:
6346 		break;
6347 	case IPP_BLK_ID:
6348 		nxge_ipp_inject_err(nxgep, err_id);
6349 		break;
6350 	case TXC_BLK_ID:
6351 		nxge_txc_inject_err(nxgep, err_id);
6352 		break;
6353 	case TXDMA_BLK_ID:
6354 		nxge_txdma_inject_err(nxgep, err_id, chan);
6355 		break;
6356 	case RXDMA_BLK_ID:
6357 		nxge_rxdma_inject_err(nxgep, err_id, chan);
6358 		break;
6359 	case ZCP_BLK_ID:
6360 		nxge_zcp_inject_err(nxgep, err_id);
6361 		break;
6362 	case ESPC_BLK_ID:
6363 		break;
6364 	case FFLP_BLK_ID:
6365 		break;
6366 	case PHY_BLK_ID:
6367 		break;
6368 	case ETHER_SERDES_BLK_ID:
6369 		break;
6370 	case PCIE_SERDES_BLK_ID:
6371 		break;
6372 	case VIR_BLK_ID:
6373 		break;
6374 	}
6375 
6376 	nmp->b_wptr = nmp->b_rptr + size;
6377 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_err_inject"));
6378 
6379 	miocack(wq, mp, (int)size, 0);
6380 }
6381 
6382 static int
6383 nxge_init_common_dev(p_nxge_t nxgep)
6384 {
6385 	p_nxge_hw_list_t	hw_p;
6386 	dev_info_t 		*p_dip;
6387 
6388 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_init_common_device"));
6389 
6390 	p_dip = nxgep->p_dip;
6391 	MUTEX_ENTER(&nxge_common_lock);
6392 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6393 	    "==> nxge_init_common_dev:func # %d",
6394 	    nxgep->function_num));
6395 	/*
6396 	 * Loop through existing per neptune hardware list.
6397 	 */
6398 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6399 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6400 		    "==> nxge_init_common_device:func # %d "
6401 		    "hw_p $%p parent dip $%p",
6402 		    nxgep->function_num,
6403 		    hw_p,
6404 		    p_dip));
6405 		if (hw_p->parent_devp == p_dip) {
6406 			nxgep->nxge_hw_p = hw_p;
6407 			hw_p->ndevs++;
6408 			hw_p->nxge_p[nxgep->function_num] = nxgep;
6409 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6410 			    "==> nxge_init_common_device:func # %d "
6411 			    "hw_p $%p parent dip $%p "
6412 			    "ndevs %d (found)",
6413 			    nxgep->function_num,
6414 			    hw_p,
6415 			    p_dip,
6416 			    hw_p->ndevs));
6417 			break;
6418 		}
6419 	}
6420 
6421 	if (hw_p == NULL) {
6422 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6423 		    "==> nxge_init_common_device:func # %d "
6424 		    "parent dip $%p (new)",
6425 		    nxgep->function_num,
6426 		    p_dip));
6427 		hw_p = kmem_zalloc(sizeof (nxge_hw_list_t), KM_SLEEP);
6428 		hw_p->parent_devp = p_dip;
6429 		hw_p->magic = NXGE_NEPTUNE_MAGIC;
6430 		nxgep->nxge_hw_p = hw_p;
6431 		hw_p->ndevs++;
6432 		hw_p->nxge_p[nxgep->function_num] = nxgep;
6433 		hw_p->next = nxge_hw_list;
6434 		if (nxgep->niu_type == N2_NIU) {
6435 			hw_p->niu_type = N2_NIU;
6436 			hw_p->platform_type = P_NEPTUNE_NIU;
6437 		} else {
6438 			hw_p->niu_type = NIU_TYPE_NONE;
6439 			hw_p->platform_type = P_NEPTUNE_NONE;
6440 		}
6441 
6442 		MUTEX_INIT(&hw_p->nxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
6443 		MUTEX_INIT(&hw_p->nxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
6444 		MUTEX_INIT(&hw_p->nxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
6445 		MUTEX_INIT(&hw_p->nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
6446 
6447 		nxge_hw_list = hw_p;
6448 
6449 		(void) nxge_scan_ports_phy(nxgep, nxge_hw_list);
6450 	}
6451 
6452 	MUTEX_EXIT(&nxge_common_lock);
6453 
6454 	nxgep->platform_type = hw_p->platform_type;
6455 	if (nxgep->niu_type != N2_NIU) {
6456 		nxgep->niu_type = hw_p->niu_type;
6457 	}
6458 
6459 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6460 	    "==> nxge_init_common_device (nxge_hw_list) $%p",
6461 	    nxge_hw_list));
6462 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<== nxge_init_common_device"));
6463 
6464 	return (NXGE_OK);
6465 }
6466 
6467 static void
6468 nxge_uninit_common_dev(p_nxge_t nxgep)
6469 {
6470 	p_nxge_hw_list_t	hw_p, h_hw_p;
6471 	dev_info_t 		*p_dip;
6472 
6473 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_uninit_common_device"));
6474 	if (nxgep->nxge_hw_p == NULL) {
6475 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6476 		    "<== nxge_uninit_common_device (no common)"));
6477 		return;
6478 	}
6479 
6480 	MUTEX_ENTER(&nxge_common_lock);
6481 	h_hw_p = nxge_hw_list;
6482 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6483 		p_dip = hw_p->parent_devp;
6484 		if (nxgep->nxge_hw_p == hw_p &&
6485 		    p_dip == nxgep->p_dip &&
6486 		    nxgep->nxge_hw_p->magic == NXGE_NEPTUNE_MAGIC &&
6487 		    hw_p->magic == NXGE_NEPTUNE_MAGIC) {
6488 
6489 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6490 			    "==> nxge_uninit_common_device:func # %d "
6491 			    "hw_p $%p parent dip $%p "
6492 			    "ndevs %d (found)",
6493 			    nxgep->function_num,
6494 			    hw_p,
6495 			    p_dip,
6496 			    hw_p->ndevs));
6497 
6498 			if (hw_p->ndevs) {
6499 				hw_p->ndevs--;
6500 			}
6501 			hw_p->nxge_p[nxgep->function_num] = NULL;
6502 			if (!hw_p->ndevs) {
6503 				MUTEX_DESTROY(&hw_p->nxge_vlan_lock);
6504 				MUTEX_DESTROY(&hw_p->nxge_tcam_lock);
6505 				MUTEX_DESTROY(&hw_p->nxge_cfg_lock);
6506 				MUTEX_DESTROY(&hw_p->nxge_mdio_lock);
6507 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6508 				    "==> nxge_uninit_common_device: "
6509 				    "func # %d "
6510 				    "hw_p $%p parent dip $%p "
6511 				    "ndevs %d (last)",
6512 				    nxgep->function_num,
6513 				    hw_p,
6514 				    p_dip,
6515 				    hw_p->ndevs));
6516 
6517 				nxge_hio_uninit(nxgep);
6518 
6519 				if (hw_p == nxge_hw_list) {
6520 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6521 					    "==> nxge_uninit_common_device:"
6522 					    "remove head func # %d "
6523 					    "hw_p $%p parent dip $%p "
6524 					    "ndevs %d (head)",
6525 					    nxgep->function_num,
6526 					    hw_p,
6527 					    p_dip,
6528 					    hw_p->ndevs));
6529 					nxge_hw_list = hw_p->next;
6530 				} else {
6531 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6532 					    "==> nxge_uninit_common_device:"
6533 					    "remove middle func # %d "
6534 					    "hw_p $%p parent dip $%p "
6535 					    "ndevs %d (middle)",
6536 					    nxgep->function_num,
6537 					    hw_p,
6538 					    p_dip,
6539 					    hw_p->ndevs));
6540 					h_hw_p->next = hw_p->next;
6541 				}
6542 
6543 				nxgep->nxge_hw_p = NULL;
6544 				KMEM_FREE(hw_p, sizeof (nxge_hw_list_t));
6545 			}
6546 			break;
6547 		} else {
6548 			h_hw_p = hw_p;
6549 		}
6550 	}
6551 
6552 	MUTEX_EXIT(&nxge_common_lock);
6553 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6554 	    "==> nxge_uninit_common_device (nxge_hw_list) $%p",
6555 	    nxge_hw_list));
6556 
6557 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<= nxge_uninit_common_device"));
6558 }
6559 
6560 /*
6561  * Determines the number of ports from the niu_type or the platform type.
6562  * Returns the number of ports, or returns zero on failure.
6563  */
6564 
6565 int
6566 nxge_get_nports(p_nxge_t nxgep)
6567 {
6568 	int	nports = 0;
6569 
6570 	switch (nxgep->niu_type) {
6571 	case N2_NIU:
6572 	case NEPTUNE_2_10GF:
6573 		nports = 2;
6574 		break;
6575 	case NEPTUNE_4_1GC:
6576 	case NEPTUNE_2_10GF_2_1GC:
6577 	case NEPTUNE_1_10GF_3_1GC:
6578 	case NEPTUNE_1_1GC_1_10GF_2_1GC:
6579 	case NEPTUNE_2_10GF_2_1GRF:
6580 		nports = 4;
6581 		break;
6582 	default:
6583 		switch (nxgep->platform_type) {
6584 		case P_NEPTUNE_NIU:
6585 		case P_NEPTUNE_ATLAS_2PORT:
6586 			nports = 2;
6587 			break;
6588 		case P_NEPTUNE_ATLAS_4PORT:
6589 		case P_NEPTUNE_MARAMBA_P0:
6590 		case P_NEPTUNE_MARAMBA_P1:
6591 		case P_NEPTUNE_ALONSO:
6592 			nports = 4;
6593 			break;
6594 		default:
6595 			break;
6596 		}
6597 		break;
6598 	}
6599 
6600 	return (nports);
6601 }
6602 
6603 /*
6604  * The following two functions are to support
6605  * PSARC/2007/453 MSI-X interrupt limit override.
6606  */
6607 static int
6608 nxge_create_msi_property(p_nxge_t nxgep)
6609 {
6610 	int	nmsi;
6611 	extern	int ncpus;
6612 
6613 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==>nxge_create_msi_property"));
6614 
6615 	switch (nxgep->mac.portmode) {
6616 	case PORT_10G_COPPER:
6617 	case PORT_10G_FIBER:
6618 		(void) ddi_prop_create(DDI_DEV_T_NONE, nxgep->dip,
6619 		    DDI_PROP_CANSLEEP, "#msix-request", NULL, 0);
6620 		/*
6621 		 * The maximum MSI-X requested will be 8.
6622 		 * If the # of CPUs is less than 8, we will reqeust
6623 		 * # MSI-X based on the # of CPUs.
6624 		 */
6625 		if (ncpus >= NXGE_MSIX_REQUEST_10G) {
6626 			nmsi = NXGE_MSIX_REQUEST_10G;
6627 		} else {
6628 			nmsi = ncpus;
6629 		}
6630 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6631 		    "==>nxge_create_msi_property(10G): exists 0x%x (nmsi %d)",
6632 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6633 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6634 		break;
6635 
6636 	default:
6637 		nmsi = NXGE_MSIX_REQUEST_1G;
6638 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6639 		    "==>nxge_create_msi_property(1G): exists 0x%x (nmsi %d)",
6640 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6641 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6642 		break;
6643 	}
6644 
6645 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<==nxge_create_msi_property"));
6646 	return (nmsi);
6647 }
6648 
6649 /* ARGSUSED */
6650 static int
6651 nxge_get_def_val(nxge_t *nxgep, mac_prop_id_t pr_num, uint_t pr_valsize,
6652     void *pr_val)
6653 {
6654 	int err = 0;
6655 	link_flowctrl_t fl;
6656 
6657 	switch (pr_num) {
6658 	case DLD_PROP_AUTONEG:
6659 		*(uint8_t *)pr_val = 1;
6660 		break;
6661 	case DLD_PROP_FLOWCTRL:
6662 		if (pr_valsize < sizeof (link_flowctrl_t))
6663 			return (EINVAL);
6664 		fl = LINK_FLOWCTRL_RX;
6665 		bcopy(&fl, pr_val, sizeof (fl));
6666 		break;
6667 	case DLD_PROP_ADV_1000FDX_CAP:
6668 	case DLD_PROP_EN_1000FDX_CAP:
6669 		*(uint8_t *)pr_val = 1;
6670 		break;
6671 	case DLD_PROP_ADV_100FDX_CAP:
6672 	case DLD_PROP_EN_100FDX_CAP:
6673 		*(uint8_t *)pr_val = 1;
6674 		break;
6675 	default:
6676 		err = ENOTSUP;
6677 		break;
6678 	}
6679 	return (err);
6680 }
6681 
6682 
6683 /*
6684  * The following is a software around for the Neptune hardware's
6685  * interrupt bugs; The Neptune hardware may generate spurious interrupts when
6686  * an interrupr handler is removed.
6687  */
6688 #define	NXGE_PCI_PORT_LOGIC_OFFSET	0x98
6689 #define	NXGE_PIM_RESET			(1ULL << 29)
6690 #define	NXGE_GLU_RESET			(1ULL << 30)
6691 #define	NXGE_NIU_RESET			(1ULL << 31)
6692 #define	NXGE_PCI_RESET_ALL		(NXGE_PIM_RESET |	\
6693 					NXGE_GLU_RESET |	\
6694 					NXGE_NIU_RESET)
6695 
6696 #define	NXGE_WAIT_QUITE_TIME		200000
6697 #define	NXGE_WAIT_QUITE_RETRY		40
6698 #define	NXGE_PCI_RESET_WAIT		1000000 /* one second */
6699 
6700 static void
6701 nxge_niu_peu_reset(p_nxge_t nxgep)
6702 {
6703 	uint32_t	rvalue;
6704 	p_nxge_hw_list_t hw_p;
6705 	p_nxge_t	fnxgep;
6706 	int		i, j;
6707 
6708 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_niu_peu_reset"));
6709 	if ((hw_p = nxgep->nxge_hw_p) == NULL) {
6710 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6711 		    "==> nxge_niu_peu_reset: NULL hardware pointer"));
6712 		return;
6713 	}
6714 
6715 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6716 	    "==> nxge_niu_peu_reset: flags 0x%x link timer id %d timer id %d",
6717 	    hw_p->flags, nxgep->nxge_link_poll_timerid,
6718 	    nxgep->nxge_timerid));
6719 
6720 	MUTEX_ENTER(&hw_p->nxge_cfg_lock);
6721 	/*
6722 	 * Make sure other instances from the same hardware
6723 	 * stop sending PIO and in quiescent state.
6724 	 */
6725 	for (i = 0; i < NXGE_MAX_PORTS; i++) {
6726 		fnxgep = hw_p->nxge_p[i];
6727 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6728 		    "==> nxge_niu_peu_reset: checking entry %d "
6729 		    "nxgep $%p", i, fnxgep));
6730 #ifdef	NXGE_DEBUG
6731 		if (fnxgep) {
6732 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6733 			    "==> nxge_niu_peu_reset: entry %d (function %d) "
6734 			    "link timer id %d hw timer id %d",
6735 			    i, fnxgep->function_num,
6736 			    fnxgep->nxge_link_poll_timerid,
6737 			    fnxgep->nxge_timerid));
6738 		}
6739 #endif
6740 		if (fnxgep && fnxgep != nxgep &&
6741 		    (fnxgep->nxge_timerid || fnxgep->nxge_link_poll_timerid)) {
6742 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6743 			    "==> nxge_niu_peu_reset: checking $%p "
6744 			    "(function %d) timer ids",
6745 			    fnxgep, fnxgep->function_num));
6746 			for (j = 0; j < NXGE_WAIT_QUITE_RETRY; j++) {
6747 				NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6748 				    "==> nxge_niu_peu_reset: waiting"));
6749 				NXGE_DELAY(NXGE_WAIT_QUITE_TIME);
6750 				if (!fnxgep->nxge_timerid &&
6751 				    !fnxgep->nxge_link_poll_timerid) {
6752 					break;
6753 				}
6754 			}
6755 			NXGE_DELAY(NXGE_WAIT_QUITE_TIME);
6756 			if (fnxgep->nxge_timerid ||
6757 			    fnxgep->nxge_link_poll_timerid) {
6758 				MUTEX_EXIT(&hw_p->nxge_cfg_lock);
6759 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6760 				    "<== nxge_niu_peu_reset: cannot reset "
6761 				    "hardware (devices are still in use)"));
6762 				return;
6763 			}
6764 		}
6765 	}
6766 
6767 	if ((hw_p->flags & COMMON_RESET_NIU_PCI) != COMMON_RESET_NIU_PCI) {
6768 		hw_p->flags |= COMMON_RESET_NIU_PCI;
6769 		rvalue = pci_config_get32(nxgep->dev_regs->nxge_pciregh,
6770 		    NXGE_PCI_PORT_LOGIC_OFFSET);
6771 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6772 		    "nxge_niu_peu_reset: read offset 0x%x (%d) "
6773 		    "(data 0x%x)",
6774 		    NXGE_PCI_PORT_LOGIC_OFFSET,
6775 		    NXGE_PCI_PORT_LOGIC_OFFSET,
6776 		    rvalue));
6777 
6778 		rvalue |= NXGE_PCI_RESET_ALL;
6779 		pci_config_put32(nxgep->dev_regs->nxge_pciregh,
6780 		    NXGE_PCI_PORT_LOGIC_OFFSET, rvalue);
6781 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
6782 		    "nxge_niu_peu_reset: RESETTING NIU: write NIU reset 0x%x",
6783 		    rvalue));
6784 
6785 		NXGE_DELAY(NXGE_PCI_RESET_WAIT);
6786 	}
6787 
6788 	MUTEX_EXIT(&hw_p->nxge_cfg_lock);
6789 	NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_niu_peu_reset"));
6790 }
6791