xref: /illumos-gate/usr/src/uts/common/io/nxge/nxge_main.c (revision ca9327a6de44d69ddab3668cc1e143ce781387a3)
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 uint32_t	nxge_cksum_enable = 0;
51 
52 /*
53  * Globals: tunable parameters (/etc/system or adb)
54  *
55  */
56 uint32_t 	nxge_rbr_size = NXGE_RBR_RBB_DEFAULT;
57 uint32_t 	nxge_rbr_spare_size = 0;
58 uint32_t 	nxge_rcr_size = NXGE_RCR_DEFAULT;
59 uint32_t 	nxge_tx_ring_size = NXGE_TX_RING_DEFAULT;
60 boolean_t 	nxge_no_msg = B_TRUE;		/* control message display */
61 uint32_t 	nxge_no_link_notify = 0;	/* control DL_NOTIFY */
62 uint32_t 	nxge_bcopy_thresh = TX_BCOPY_MAX;
63 uint32_t 	nxge_dvma_thresh = TX_FASTDVMA_MIN;
64 uint32_t 	nxge_dma_stream_thresh = TX_STREAM_MIN;
65 uint32_t	nxge_jumbo_mtu	= TX_JUMBO_MTU;
66 boolean_t	nxge_jumbo_enable = B_FALSE;
67 uint16_t	nxge_rcr_timeout = NXGE_RDC_RCR_TIMEOUT;
68 uint16_t	nxge_rcr_threshold = NXGE_RDC_RCR_THRESHOLD;
69 nxge_tx_mode_t	nxge_tx_scheme = NXGE_USE_SERIAL;
70 
71 /* MAX LSO size */
72 #define		NXGE_LSO_MAXLEN	65535
73 uint32_t	nxge_lso_max = NXGE_LSO_MAXLEN;
74 
75 /*
76  * Debugging flags:
77  *		nxge_no_tx_lb : transmit load balancing
78  *		nxge_tx_lb_policy: 0 - TCP port (default)
79  *				   3 - DEST MAC
80  */
81 uint32_t 	nxge_no_tx_lb = 0;
82 uint32_t 	nxge_tx_lb_policy = NXGE_TX_LB_TCPUDP;
83 
84 /*
85  * Add tunable to reduce the amount of time spent in the
86  * ISR doing Rx Processing.
87  */
88 uint32_t nxge_max_rx_pkts = 1024;
89 
90 /*
91  * Tunables to manage the receive buffer blocks.
92  *
93  * nxge_rx_threshold_hi: copy all buffers.
94  * nxge_rx_bcopy_size_type: receive buffer block size type.
95  * nxge_rx_threshold_lo: copy only up to tunable block size type.
96  */
97 nxge_rxbuf_threshold_t nxge_rx_threshold_hi = NXGE_RX_COPY_6;
98 nxge_rxbuf_type_t nxge_rx_buf_size_type = RCR_PKTBUFSZ_0;
99 nxge_rxbuf_threshold_t nxge_rx_threshold_lo = NXGE_RX_COPY_3;
100 
101 /* Use kmem_alloc() to allocate data buffers. */
102 #if !defined(__i386)
103 uint32_t	nxge_use_kmem_alloc = 1;
104 #else
105 uint32_t	nxge_use_kmem_alloc = 0;
106 #endif
107 
108 rtrace_t npi_rtracebuf;
109 
110 #if	defined(sun4v)
111 /*
112  * Hypervisor N2/NIU services information.
113  */
114 static hsvc_info_t niu_hsvc = {
115 	HSVC_REV_1, NULL, HSVC_GROUP_NIU, NIU_MAJOR_VER,
116 	NIU_MINOR_VER, "nxge"
117 };
118 
119 static int nxge_hsvc_register(p_nxge_t);
120 #endif
121 
122 /*
123  * Function Prototypes
124  */
125 static int nxge_attach(dev_info_t *, ddi_attach_cmd_t);
126 static int nxge_detach(dev_info_t *, ddi_detach_cmd_t);
127 static void nxge_unattach(p_nxge_t);
128 
129 #if NXGE_PROPERTY
130 static void nxge_remove_hard_properties(p_nxge_t);
131 #endif
132 
133 /*
134  * These two functions are required by nxge_hio.c
135  */
136 extern int nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr);
137 extern int nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot);
138 
139 static nxge_status_t nxge_setup_system_dma_pages(p_nxge_t);
140 
141 static nxge_status_t nxge_setup_mutexes(p_nxge_t);
142 static void nxge_destroy_mutexes(p_nxge_t);
143 
144 static nxge_status_t nxge_map_regs(p_nxge_t nxgep);
145 static void nxge_unmap_regs(p_nxge_t nxgep);
146 #ifdef	NXGE_DEBUG
147 static void nxge_test_map_regs(p_nxge_t nxgep);
148 #endif
149 
150 static nxge_status_t nxge_add_intrs(p_nxge_t nxgep);
151 static nxge_status_t nxge_add_soft_intrs(p_nxge_t nxgep);
152 static void nxge_remove_intrs(p_nxge_t nxgep);
153 static void nxge_remove_soft_intrs(p_nxge_t nxgep);
154 
155 static nxge_status_t nxge_add_intrs_adv(p_nxge_t nxgep);
156 static nxge_status_t nxge_add_intrs_adv_type(p_nxge_t, uint32_t);
157 static nxge_status_t nxge_add_intrs_adv_type_fix(p_nxge_t, uint32_t);
158 static void nxge_intrs_enable(p_nxge_t nxgep);
159 static void nxge_intrs_disable(p_nxge_t nxgep);
160 
161 static void nxge_suspend(p_nxge_t);
162 static nxge_status_t nxge_resume(p_nxge_t);
163 
164 static nxge_status_t nxge_setup_dev(p_nxge_t);
165 static void nxge_destroy_dev(p_nxge_t);
166 
167 static nxge_status_t nxge_alloc_mem_pool(p_nxge_t);
168 static void nxge_free_mem_pool(p_nxge_t);
169 
170 nxge_status_t nxge_alloc_rx_mem_pool(p_nxge_t);
171 static void nxge_free_rx_mem_pool(p_nxge_t);
172 
173 nxge_status_t nxge_alloc_tx_mem_pool(p_nxge_t);
174 static void nxge_free_tx_mem_pool(p_nxge_t);
175 
176 static nxge_status_t nxge_dma_mem_alloc(p_nxge_t, dma_method_t,
177 	struct ddi_dma_attr *,
178 	size_t, ddi_device_acc_attr_t *, uint_t,
179 	p_nxge_dma_common_t);
180 
181 static void nxge_dma_mem_free(p_nxge_dma_common_t);
182 static void nxge_dma_free_rx_data_buf(p_nxge_dma_common_t);
183 
184 static nxge_status_t nxge_alloc_rx_buf_dma(p_nxge_t, uint16_t,
185 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
186 static void nxge_free_rx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
187 
188 static nxge_status_t nxge_alloc_rx_cntl_dma(p_nxge_t, uint16_t,
189 	p_nxge_dma_common_t *, size_t);
190 static void nxge_free_rx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
191 
192 extern nxge_status_t nxge_alloc_tx_buf_dma(p_nxge_t, uint16_t,
193 	p_nxge_dma_common_t *, size_t, size_t, uint32_t *);
194 static void nxge_free_tx_buf_dma(p_nxge_t, p_nxge_dma_common_t, uint32_t);
195 
196 extern nxge_status_t nxge_alloc_tx_cntl_dma(p_nxge_t, uint16_t,
197 	p_nxge_dma_common_t *,
198 	size_t);
199 static void nxge_free_tx_cntl_dma(p_nxge_t, p_nxge_dma_common_t);
200 
201 static int nxge_init_common_dev(p_nxge_t);
202 static void nxge_uninit_common_dev(p_nxge_t);
203 extern int nxge_param_set_mac(p_nxge_t, queue_t *, mblk_t *,
204     char *, caddr_t);
205 
206 /*
207  * The next declarations are for the GLDv3 interface.
208  */
209 static int nxge_m_start(void *);
210 static void nxge_m_stop(void *);
211 static int nxge_m_unicst(void *, const uint8_t *);
212 static int nxge_m_multicst(void *, boolean_t, const uint8_t *);
213 static int nxge_m_promisc(void *, boolean_t);
214 static void nxge_m_ioctl(void *, queue_t *, mblk_t *);
215 static void nxge_m_resources(void *);
216 mblk_t *nxge_m_tx(void *arg, mblk_t *);
217 static nxge_status_t nxge_mac_register(p_nxge_t);
218 static int nxge_altmac_set(p_nxge_t nxgep, uint8_t *mac_addr,
219 	mac_addr_slot_t slot);
220 void nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot,
221 	boolean_t factory);
222 static int nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr);
223 static int nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr);
224 static int nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr);
225 static	boolean_t nxge_m_getcapab(void *, mac_capab_t, void *);
226 static int nxge_m_setprop(void *, const char *, mac_prop_id_t,
227     uint_t, const void *);
228 static int nxge_m_getprop(void *, const char *, mac_prop_id_t,
229     uint_t, uint_t, void *);
230 static int nxge_set_priv_prop(nxge_t *, const char *, uint_t,
231     const void *);
232 static int nxge_get_priv_prop(nxge_t *, const char *, uint_t, uint_t,
233     void *);
234 static int nxge_get_def_val(nxge_t *, mac_prop_id_t, uint_t, void *);
235 
236 
237 mac_priv_prop_t nxge_priv_props[] = {
238 	{"_adv_10gfdx_cap", MAC_PROP_PERM_RW},
239 	{"_adv_pause_cap", MAC_PROP_PERM_RW},
240 	{"_function_number", MAC_PROP_PERM_READ},
241 	{"_fw_version", MAC_PROP_PERM_READ},
242 	{"_port_mode", MAC_PROP_PERM_READ},
243 	{"_hot_swap_phy", MAC_PROP_PERM_READ},
244 	{"_accept_jumbo", MAC_PROP_PERM_RW},
245 	{"_rxdma_intr_time", MAC_PROP_PERM_RW},
246 	{"_rxdma_intr_pkts", MAC_PROP_PERM_RW},
247 	{"_class_opt_ipv4_tcp", MAC_PROP_PERM_RW},
248 	{"_class_opt_ipv4_udp", MAC_PROP_PERM_RW},
249 	{"_class_opt_ipv4_ah", MAC_PROP_PERM_RW},
250 	{"_class_opt_ipv4_sctp", MAC_PROP_PERM_RW},
251 	{"_class_opt_ipv6_tcp", MAC_PROP_PERM_RW},
252 	{"_class_opt_ipv6_udp", MAC_PROP_PERM_RW},
253 	{"_class_opt_ipv6_ah", MAC_PROP_PERM_RW},
254 	{"_class_opt_ipv6_sctp", MAC_PROP_PERM_RW},
255 	{"_soft_lso_enable", MAC_PROP_PERM_RW}
256 };
257 
258 #define	NXGE_MAX_PRIV_PROPS	\
259 	(sizeof (nxge_priv_props)/sizeof (mac_priv_prop_t))
260 
261 #define	NXGE_M_CALLBACK_FLAGS\
262 	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
263 
264 
265 #define	NXGE_NEPTUNE_MAGIC	0x4E584745UL
266 #define	MAX_DUMP_SZ 256
267 
268 #define	NXGE_M_CALLBACK_FLAGS	\
269 	(MC_RESOURCES | MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
270 
271 mac_callbacks_t nxge_m_callbacks = {
272 	NXGE_M_CALLBACK_FLAGS,
273 	nxge_m_stat,
274 	nxge_m_start,
275 	nxge_m_stop,
276 	nxge_m_promisc,
277 	nxge_m_multicst,
278 	nxge_m_unicst,
279 	nxge_m_tx,
280 	nxge_m_resources,
281 	nxge_m_ioctl,
282 	nxge_m_getcapab,
283 	NULL,
284 	NULL,
285 	nxge_m_setprop,
286 	nxge_m_getprop
287 };
288 
289 void
290 nxge_err_inject(p_nxge_t, queue_t *, mblk_t *);
291 
292 /* PSARC/2007/453 MSI-X interrupt limit override. */
293 #define	NXGE_MSIX_REQUEST_10G	8
294 #define	NXGE_MSIX_REQUEST_1G	2
295 static int nxge_create_msi_property(p_nxge_t);
296 
297 /*
298  * These global variables control the message
299  * output.
300  */
301 out_dbgmsg_t nxge_dbgmsg_out = DBG_CONSOLE | STR_LOG;
302 uint64_t nxge_debug_level;
303 
304 /*
305  * This list contains the instance structures for the Neptune
306  * devices present in the system. The lock exists to guarantee
307  * mutually exclusive access to the list.
308  */
309 void 			*nxge_list = NULL;
310 
311 void			*nxge_hw_list = NULL;
312 nxge_os_mutex_t 	nxge_common_lock;
313 
314 extern uint64_t 	npi_debug_level;
315 
316 extern nxge_status_t	nxge_ldgv_init(p_nxge_t, int *, int *);
317 extern nxge_status_t	nxge_ldgv_init_n2(p_nxge_t, int *, int *);
318 extern nxge_status_t	nxge_ldgv_uninit(p_nxge_t);
319 extern nxge_status_t	nxge_intr_ldgv_init(p_nxge_t);
320 extern void		nxge_fm_init(p_nxge_t,
321 					ddi_device_acc_attr_t *,
322 					ddi_device_acc_attr_t *,
323 					ddi_dma_attr_t *);
324 extern void		nxge_fm_fini(p_nxge_t);
325 extern npi_status_t	npi_mac_altaddr_disable(npi_handle_t, uint8_t, uint8_t);
326 
327 /*
328  * Count used to maintain the number of buffers being used
329  * by Neptune instances and loaned up to the upper layers.
330  */
331 uint32_t nxge_mblks_pending = 0;
332 
333 /*
334  * Device register access attributes for PIO.
335  */
336 static ddi_device_acc_attr_t nxge_dev_reg_acc_attr = {
337 	DDI_DEVICE_ATTR_V0,
338 	DDI_STRUCTURE_LE_ACC,
339 	DDI_STRICTORDER_ACC,
340 };
341 
342 /*
343  * Device descriptor access attributes for DMA.
344  */
345 static ddi_device_acc_attr_t nxge_dev_desc_dma_acc_attr = {
346 	DDI_DEVICE_ATTR_V0,
347 	DDI_STRUCTURE_LE_ACC,
348 	DDI_STRICTORDER_ACC
349 };
350 
351 /*
352  * Device buffer access attributes for DMA.
353  */
354 static ddi_device_acc_attr_t nxge_dev_buf_dma_acc_attr = {
355 	DDI_DEVICE_ATTR_V0,
356 	DDI_STRUCTURE_BE_ACC,
357 	DDI_STRICTORDER_ACC
358 };
359 
360 ddi_dma_attr_t nxge_desc_dma_attr = {
361 	DMA_ATTR_V0,		/* version number. */
362 	0,			/* low address */
363 	0xffffffffffffffff,	/* high address */
364 	0xffffffffffffffff,	/* address counter max */
365 #ifndef NIU_PA_WORKAROUND
366 	0x100000,		/* alignment */
367 #else
368 	0x2000,
369 #endif
370 	0xfc00fc,		/* dlim_burstsizes */
371 	0x1,			/* minimum transfer size */
372 	0xffffffffffffffff,	/* maximum transfer size */
373 	0xffffffffffffffff,	/* maximum segment size */
374 	1,			/* scatter/gather list length */
375 	(unsigned int) 1,	/* granularity */
376 	0			/* attribute flags */
377 };
378 
379 ddi_dma_attr_t nxge_tx_dma_attr = {
380 	DMA_ATTR_V0,		/* version number. */
381 	0,			/* low address */
382 	0xffffffffffffffff,	/* high address */
383 	0xffffffffffffffff,	/* address counter max */
384 #if defined(_BIG_ENDIAN)
385 	0x2000,			/* alignment */
386 #else
387 	0x1000,			/* alignment */
388 #endif
389 	0xfc00fc,		/* dlim_burstsizes */
390 	0x1,			/* minimum transfer size */
391 	0xffffffffffffffff,	/* maximum transfer size */
392 	0xffffffffffffffff,	/* maximum segment size */
393 	5,			/* scatter/gather list length */
394 	(unsigned int) 1,	/* granularity */
395 	0			/* attribute flags */
396 };
397 
398 ddi_dma_attr_t nxge_rx_dma_attr = {
399 	DMA_ATTR_V0,		/* version number. */
400 	0,			/* low address */
401 	0xffffffffffffffff,	/* high address */
402 	0xffffffffffffffff,	/* address counter max */
403 	0x2000,			/* alignment */
404 	0xfc00fc,		/* dlim_burstsizes */
405 	0x1,			/* minimum transfer size */
406 	0xffffffffffffffff,	/* maximum transfer size */
407 	0xffffffffffffffff,	/* maximum segment size */
408 	1,			/* scatter/gather list length */
409 	(unsigned int) 1,	/* granularity */
410 	DDI_DMA_RELAXED_ORDERING /* attribute flags */
411 };
412 
413 ddi_dma_lim_t nxge_dma_limits = {
414 	(uint_t)0,		/* dlim_addr_lo */
415 	(uint_t)0xffffffff,	/* dlim_addr_hi */
416 	(uint_t)0xffffffff,	/* dlim_cntr_max */
417 	(uint_t)0xfc00fc,	/* dlim_burstsizes for 32 and 64 bit xfers */
418 	0x1,			/* dlim_minxfer */
419 	1024			/* dlim_speed */
420 };
421 
422 dma_method_t nxge_force_dma = DVMA;
423 
424 /*
425  * dma chunk sizes.
426  *
427  * Try to allocate the largest possible size
428  * so that fewer number of dma chunks would be managed
429  */
430 #ifdef NIU_PA_WORKAROUND
431 size_t alloc_sizes [] = {0x2000};
432 #else
433 size_t alloc_sizes [] = {0x1000, 0x2000, 0x4000, 0x8000,
434 		0x10000, 0x20000, 0x40000, 0x80000,
435 		0x100000, 0x200000, 0x400000, 0x800000,
436 		0x1000000, 0x2000000, 0x4000000};
437 #endif
438 
439 /*
440  * Translate "dev_t" to a pointer to the associated "dev_info_t".
441  */
442 
443 extern void nxge_get_environs(nxge_t *);
444 
445 static int
446 nxge_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
447 {
448 	p_nxge_t	nxgep = NULL;
449 	int		instance;
450 	int		status = DDI_SUCCESS;
451 	uint8_t		portn;
452 	nxge_mmac_t	*mmac_info;
453 
454 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_attach"));
455 
456 	/*
457 	 * Get the device instance since we'll need to setup
458 	 * or retrieve a soft state for this instance.
459 	 */
460 	instance = ddi_get_instance(dip);
461 
462 	switch (cmd) {
463 	case DDI_ATTACH:
464 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_ATTACH"));
465 		break;
466 
467 	case DDI_RESUME:
468 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_RESUME"));
469 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
470 		if (nxgep == NULL) {
471 			status = DDI_FAILURE;
472 			break;
473 		}
474 		if (nxgep->dip != dip) {
475 			status = DDI_FAILURE;
476 			break;
477 		}
478 		if (nxgep->suspended == DDI_PM_SUSPEND) {
479 			status = ddi_dev_is_needed(nxgep->dip, 0, 1);
480 		} else {
481 			status = nxge_resume(nxgep);
482 		}
483 		goto nxge_attach_exit;
484 
485 	case DDI_PM_RESUME:
486 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_RESUME"));
487 		nxgep = (p_nxge_t)ddi_get_soft_state(nxge_list, instance);
488 		if (nxgep == NULL) {
489 			status = DDI_FAILURE;
490 			break;
491 		}
492 		if (nxgep->dip != dip) {
493 			status = DDI_FAILURE;
494 			break;
495 		}
496 		status = nxge_resume(nxgep);
497 		goto nxge_attach_exit;
498 
499 	default:
500 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing unknown"));
501 		status = DDI_FAILURE;
502 		goto nxge_attach_exit;
503 	}
504 
505 
506 	if (ddi_soft_state_zalloc(nxge_list, instance) == DDI_FAILURE) {
507 		status = DDI_FAILURE;
508 		goto nxge_attach_exit;
509 	}
510 
511 	nxgep = ddi_get_soft_state(nxge_list, instance);
512 	if (nxgep == NULL) {
513 		status = NXGE_ERROR;
514 		goto nxge_attach_fail2;
515 	}
516 
517 	nxgep->nxge_magic = NXGE_MAGIC;
518 
519 	nxgep->drv_state = 0;
520 	nxgep->dip = dip;
521 	nxgep->instance = instance;
522 	nxgep->p_dip = ddi_get_parent(dip);
523 	nxgep->nxge_debug_level = nxge_debug_level;
524 	npi_debug_level = nxge_debug_level;
525 
526 	/* Are we a guest running in a Hybrid I/O environment? */
527 	nxge_get_environs(nxgep);
528 
529 	status = nxge_map_regs(nxgep);
530 
531 	if (status != NXGE_OK) {
532 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_map_regs failed"));
533 		goto nxge_attach_fail3;
534 	}
535 
536 	nxge_fm_init(nxgep, &nxge_dev_reg_acc_attr,
537 	    &nxge_dev_desc_dma_acc_attr,
538 	    &nxge_rx_dma_attr);
539 
540 	/* Create & initialize the per-Neptune data structure */
541 	/* (even if we're a guest). */
542 	status = nxge_init_common_dev(nxgep);
543 	if (status != NXGE_OK) {
544 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
545 		    "nxge_init_common_dev failed"));
546 		goto nxge_attach_fail4;
547 	}
548 
549 #if defined(sun4v)
550 	/* This is required by nxge_hio_init(), which follows. */
551 	if ((status = nxge_hsvc_register(nxgep)) != DDI_SUCCESS)
552 		goto nxge_attach_fail;
553 #endif
554 
555 	if ((status = nxge_hio_init(nxgep)) != NXGE_OK) {
556 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
557 		    "nxge_hio_init failed"));
558 		goto nxge_attach_fail4;
559 	}
560 
561 	if (nxgep->niu_type == NEPTUNE_2_10GF) {
562 		if (nxgep->function_num > 1) {
563 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Unsupported"
564 			    " function %d. Only functions 0 and 1 are "
565 			    "supported for this card.", nxgep->function_num));
566 			status = NXGE_ERROR;
567 			goto nxge_attach_fail4;
568 		}
569 	}
570 
571 	if (isLDOMguest(nxgep)) {
572 		/*
573 		 * Use the function number here.
574 		 */
575 		nxgep->mac.portnum = nxgep->function_num;
576 		nxgep->mac.porttype = PORT_TYPE_LOGICAL;
577 
578 		/* XXX We'll set the MAC address counts to 1 for now. */
579 		mmac_info = &nxgep->nxge_mmac_info;
580 		mmac_info->num_mmac = 1;
581 		mmac_info->naddrfree = 1;
582 	} else {
583 		portn = NXGE_GET_PORT_NUM(nxgep->function_num);
584 		nxgep->mac.portnum = portn;
585 		if ((portn == 0) || (portn == 1))
586 			nxgep->mac.porttype = PORT_TYPE_XMAC;
587 		else
588 			nxgep->mac.porttype = PORT_TYPE_BMAC;
589 		/*
590 		 * Neptune has 4 ports, the first 2 ports use XMAC (10G MAC)
591 		 * internally, the rest 2 ports use BMAC (1G "Big" MAC).
592 		 * The two types of MACs have different characterizations.
593 		 */
594 		mmac_info = &nxgep->nxge_mmac_info;
595 		if (nxgep->function_num < 2) {
596 			mmac_info->num_mmac = XMAC_MAX_ALT_ADDR_ENTRY;
597 			mmac_info->naddrfree = XMAC_MAX_ALT_ADDR_ENTRY;
598 		} else {
599 			mmac_info->num_mmac = BMAC_MAX_ALT_ADDR_ENTRY;
600 			mmac_info->naddrfree = BMAC_MAX_ALT_ADDR_ENTRY;
601 		}
602 	}
603 	/*
604 	 * Setup the Ndd parameters for the this instance.
605 	 */
606 	nxge_init_param(nxgep);
607 
608 	/*
609 	 * Setup Register Tracing Buffer.
610 	 */
611 	npi_rtrace_buf_init((rtrace_t *)&npi_rtracebuf);
612 
613 	/* init stats ptr */
614 	nxge_init_statsp(nxgep);
615 
616 	/*
617 	 * Copy the vpd info from eeprom to a local data
618 	 * structure, and then check its validity.
619 	 */
620 	if (!isLDOMguest(nxgep)) {
621 		int *regp;
622 		uint_t reglen;
623 		int rv;
624 
625 		nxge_vpd_info_get(nxgep);
626 
627 		/* Find the NIU config handle. */
628 		rv = ddi_prop_lookup_int_array(DDI_DEV_T_ANY,
629 		    ddi_get_parent(nxgep->dip), DDI_PROP_DONTPASS,
630 		    "reg", &regp, &reglen);
631 
632 		if (rv != DDI_PROP_SUCCESS) {
633 			goto nxge_attach_fail5;
634 		}
635 		/*
636 		 * The address_hi, that is the first int, in the reg
637 		 * property consists of config handle, but need to remove
638 		 * the bits 28-31 which are OBP specific info.
639 		 */
640 		nxgep->niu_cfg_hdl = (*regp) & 0xFFFFFFF;
641 		ddi_prop_free(regp);
642 	}
643 
644 	if (isLDOMguest(nxgep)) {
645 		uchar_t *prop_val;
646 		uint_t prop_len;
647 
648 		extern void nxge_get_logical_props(p_nxge_t);
649 
650 		nxgep->statsp->mac_stats.xcvr_inuse = LOGICAL_XCVR;
651 		nxgep->mac.portmode = PORT_LOGICAL;
652 		(void) ddi_prop_update_string(DDI_DEV_T_NONE, nxgep->dip,
653 		    "phy-type", "virtual transceiver");
654 
655 		nxgep->nports = 1;
656 		nxgep->board_ver = 0;	/* XXX What? */
657 
658 		/*
659 		 * local-mac-address property gives us info on which
660 		 * specific MAC address the Hybrid resource is associated
661 		 * with.
662 		 */
663 		if (ddi_prop_lookup_byte_array(DDI_DEV_T_ANY, nxgep->dip, 0,
664 		    "local-mac-address", &prop_val,
665 		    &prop_len) != DDI_PROP_SUCCESS) {
666 			goto nxge_attach_fail5;
667 		}
668 		if (prop_len !=  ETHERADDRL) {
669 			ddi_prop_free(prop_val);
670 			goto nxge_attach_fail5;
671 		}
672 		ether_copy(prop_val, nxgep->hio_mac_addr);
673 		ddi_prop_free(prop_val);
674 		nxge_get_logical_props(nxgep);
675 
676 	} else {
677 		status = nxge_xcvr_find(nxgep);
678 
679 		if (status != NXGE_OK) {
680 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "nxge_attach: "
681 			    " Couldn't determine card type"
682 			    " .... exit "));
683 			goto nxge_attach_fail5;
684 		}
685 
686 		status = nxge_get_config_properties(nxgep);
687 
688 		if (status != NXGE_OK) {
689 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
690 			    "get_hw create failed"));
691 			goto nxge_attach_fail;
692 		}
693 	}
694 
695 	/*
696 	 * Setup the Kstats for the driver.
697 	 */
698 	nxge_setup_kstats(nxgep);
699 
700 	if (!isLDOMguest(nxgep))
701 		nxge_setup_param(nxgep);
702 
703 	status = nxge_setup_system_dma_pages(nxgep);
704 	if (status != NXGE_OK) {
705 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "set dma page failed"));
706 		goto nxge_attach_fail;
707 	}
708 
709 	nxge_hw_id_init(nxgep);
710 
711 	if (!isLDOMguest(nxgep))
712 		nxge_hw_init_niu_common(nxgep);
713 
714 	status = nxge_setup_mutexes(nxgep);
715 	if (status != NXGE_OK) {
716 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set mutex failed"));
717 		goto nxge_attach_fail;
718 	}
719 
720 #if defined(sun4v)
721 	if (isLDOMguest(nxgep)) {
722 		/* Find our VR & channel sets. */
723 		status = nxge_hio_vr_add(nxgep);
724 		goto nxge_attach_exit;
725 	}
726 #endif
727 
728 	status = nxge_setup_dev(nxgep);
729 	if (status != DDI_SUCCESS) {
730 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "set dev failed"));
731 		goto nxge_attach_fail;
732 	}
733 
734 	status = nxge_add_intrs(nxgep);
735 	if (status != DDI_SUCCESS) {
736 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "add_intr failed"));
737 		goto nxge_attach_fail;
738 	}
739 	status = nxge_add_soft_intrs(nxgep);
740 	if (status != DDI_SUCCESS) {
741 		NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
742 		    "add_soft_intr failed"));
743 		goto nxge_attach_fail;
744 	}
745 
746 	/*
747 	 * Enable interrupts.
748 	 */
749 	nxge_intrs_enable(nxgep);
750 
751 	// If a guest, register with vio_net instead.
752 	if ((status = nxge_mac_register(nxgep)) != NXGE_OK) {
753 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
754 		    "unable to register to mac layer (%d)", status));
755 		goto nxge_attach_fail;
756 	}
757 
758 	mac_link_update(nxgep->mach, LINK_STATE_UNKNOWN);
759 
760 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
761 	    "registered to mac (instance %d)", instance));
762 
763 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
764 
765 	goto nxge_attach_exit;
766 
767 nxge_attach_fail:
768 	nxge_unattach(nxgep);
769 	goto nxge_attach_fail1;
770 
771 nxge_attach_fail5:
772 	/*
773 	 * Tear down the ndd parameters setup.
774 	 */
775 	nxge_destroy_param(nxgep);
776 
777 	/*
778 	 * Tear down the kstat setup.
779 	 */
780 	nxge_destroy_kstats(nxgep);
781 
782 nxge_attach_fail4:
783 	if (nxgep->nxge_hw_p) {
784 		nxge_uninit_common_dev(nxgep);
785 		nxgep->nxge_hw_p = NULL;
786 	}
787 
788 nxge_attach_fail3:
789 	/*
790 	 * Unmap the register setup.
791 	 */
792 	nxge_unmap_regs(nxgep);
793 
794 	nxge_fm_fini(nxgep);
795 
796 nxge_attach_fail2:
797 	ddi_soft_state_free(nxge_list, nxgep->instance);
798 
799 nxge_attach_fail1:
800 	if (status != NXGE_OK)
801 		status = (NXGE_ERROR | NXGE_DDI_FAILED);
802 	nxgep = NULL;
803 
804 nxge_attach_exit:
805 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_attach status = 0x%08x",
806 	    status));
807 
808 	return (status);
809 }
810 
811 static int
812 nxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
813 {
814 	int 		status = DDI_SUCCESS;
815 	int 		instance;
816 	p_nxge_t 	nxgep = NULL;
817 
818 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_detach"));
819 	instance = ddi_get_instance(dip);
820 	nxgep = ddi_get_soft_state(nxge_list, instance);
821 	if (nxgep == NULL) {
822 		status = DDI_FAILURE;
823 		goto nxge_detach_exit;
824 	}
825 
826 	switch (cmd) {
827 	case DDI_DETACH:
828 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_DETACH"));
829 		break;
830 
831 	case DDI_PM_SUSPEND:
832 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
833 		nxgep->suspended = DDI_PM_SUSPEND;
834 		nxge_suspend(nxgep);
835 		break;
836 
837 	case DDI_SUSPEND:
838 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "doing DDI_SUSPEND"));
839 		if (nxgep->suspended != DDI_PM_SUSPEND) {
840 			nxgep->suspended = DDI_SUSPEND;
841 			nxge_suspend(nxgep);
842 		}
843 		break;
844 
845 	default:
846 		status = DDI_FAILURE;
847 	}
848 
849 	if (cmd != DDI_DETACH)
850 		goto nxge_detach_exit;
851 
852 	/*
853 	 * Stop the xcvr polling.
854 	 */
855 	nxgep->suspended = cmd;
856 
857 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
858 
859 	if (isLDOMguest(nxgep)) {
860 		nxge_hio_unregister(nxgep);
861 	} else if (nxgep->mach && (status = mac_unregister(nxgep->mach)) != 0) {
862 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
863 		    "<== nxge_detach status = 0x%08X", status));
864 		return (DDI_FAILURE);
865 	}
866 
867 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
868 	    "<== nxge_detach (mac_unregister) status = 0x%08X", status));
869 
870 	nxge_unattach(nxgep);
871 	nxgep = NULL;
872 
873 nxge_detach_exit:
874 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_detach status = 0x%08X",
875 	    status));
876 
877 	return (status);
878 }
879 
880 static void
881 nxge_unattach(p_nxge_t nxgep)
882 {
883 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unattach"));
884 
885 	if (nxgep == NULL || nxgep->dev_regs == NULL) {
886 		return;
887 	}
888 
889 	nxgep->nxge_magic = 0;
890 
891 	if (nxgep->nxge_timerid) {
892 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
893 		nxgep->nxge_timerid = 0;
894 	}
895 
896 #if	defined(sun4v)
897 	if (isLDOMguest(nxgep)) {
898 		(void) nxge_hio_vr_release(nxgep);
899 	}
900 #endif
901 
902 	if (nxgep->nxge_hw_p) {
903 		nxge_uninit_common_dev(nxgep);
904 		nxgep->nxge_hw_p = NULL;
905 	}
906 
907 #if	defined(sun4v)
908 	if (nxgep->niu_type == N2_NIU && nxgep->niu_hsvc_available == B_TRUE) {
909 		(void) hsvc_unregister(&nxgep->niu_hsvc);
910 		nxgep->niu_hsvc_available = B_FALSE;
911 	}
912 #endif
913 	/*
914 	 * Stop any further interrupts.
915 	 */
916 	nxge_remove_intrs(nxgep);
917 
918 	/* remove soft interrups */
919 	nxge_remove_soft_intrs(nxgep);
920 
921 	/*
922 	 * Stop the device and free resources.
923 	 */
924 	if (!isLDOMguest(nxgep)) {
925 		nxge_destroy_dev(nxgep);
926 	}
927 
928 	/*
929 	 * Tear down the ndd parameters setup.
930 	 */
931 	nxge_destroy_param(nxgep);
932 
933 	/*
934 	 * Tear down the kstat setup.
935 	 */
936 	nxge_destroy_kstats(nxgep);
937 
938 	/*
939 	 * Destroy all mutexes.
940 	 */
941 	nxge_destroy_mutexes(nxgep);
942 
943 	/*
944 	 * Remove the list of ndd parameters which
945 	 * were setup during attach.
946 	 */
947 	if (nxgep->dip) {
948 		NXGE_DEBUG_MSG((nxgep, OBP_CTL,
949 		    " nxge_unattach: remove all properties"));
950 
951 		(void) ddi_prop_remove_all(nxgep->dip);
952 	}
953 
954 #if NXGE_PROPERTY
955 	nxge_remove_hard_properties(nxgep);
956 #endif
957 
958 	/*
959 	 * Unmap the register setup.
960 	 */
961 	nxge_unmap_regs(nxgep);
962 
963 	nxge_fm_fini(nxgep);
964 
965 	ddi_soft_state_free(nxge_list, nxgep->instance);
966 
967 	NXGE_DEBUG_MSG((NULL, DDI_CTL, "<== nxge_unattach"));
968 }
969 
970 #if defined(sun4v)
971 int
972 nxge_hsvc_register(
973 	nxge_t *nxgep)
974 {
975 	nxge_status_t status;
976 
977 	if (nxgep->niu_type == N2_NIU) {
978 		nxgep->niu_hsvc_available = B_FALSE;
979 		bcopy(&niu_hsvc, &nxgep->niu_hsvc, sizeof (hsvc_info_t));
980 		if ((status = hsvc_register(&nxgep->niu_hsvc,
981 		    &nxgep->niu_min_ver)) != 0) {
982 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
983 			    "nxge_attach: %s: cannot negotiate "
984 			    "hypervisor services revision %d group: 0x%lx "
985 			    "major: 0x%lx minor: 0x%lx errno: %d",
986 			    niu_hsvc.hsvc_modname, niu_hsvc.hsvc_rev,
987 			    niu_hsvc.hsvc_group, niu_hsvc.hsvc_major,
988 			    niu_hsvc.hsvc_minor, status));
989 			return (DDI_FAILURE);
990 		}
991 		nxgep->niu_hsvc_available = B_TRUE;
992 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
993 		    "NIU Hypervisor service enabled"));
994 	}
995 
996 	return (DDI_SUCCESS);
997 }
998 #endif
999 
1000 static char n2_siu_name[] = "niu";
1001 
1002 static nxge_status_t
1003 nxge_map_regs(p_nxge_t nxgep)
1004 {
1005 	int		ddi_status = DDI_SUCCESS;
1006 	p_dev_regs_t 	dev_regs;
1007 	char		buf[MAXPATHLEN + 1];
1008 	char 		*devname;
1009 #ifdef	NXGE_DEBUG
1010 	char 		*sysname;
1011 #endif
1012 	off_t		regsize;
1013 	nxge_status_t	status = NXGE_OK;
1014 #if !defined(_BIG_ENDIAN)
1015 	off_t pci_offset;
1016 	uint16_t pcie_devctl;
1017 #endif
1018 
1019 	if (isLDOMguest(nxgep)) {
1020 		return (nxge_guest_regs_map(nxgep));
1021 	}
1022 
1023 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_map_regs"));
1024 	nxgep->dev_regs = NULL;
1025 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
1026 	dev_regs->nxge_regh = NULL;
1027 	dev_regs->nxge_pciregh = NULL;
1028 	dev_regs->nxge_msix_regh = NULL;
1029 	dev_regs->nxge_vir_regh = NULL;
1030 	dev_regs->nxge_vir2_regh = NULL;
1031 	nxgep->niu_type = NIU_TYPE_NONE;
1032 
1033 	devname = ddi_pathname(nxgep->dip, buf);
1034 	ASSERT(strlen(devname) > 0);
1035 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1036 	    "nxge_map_regs: pathname devname %s", devname));
1037 
1038 	if (strstr(devname, n2_siu_name)) {
1039 		/* N2/NIU */
1040 		nxgep->niu_type = N2_NIU;
1041 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1042 		    "nxge_map_regs: N2/NIU devname %s", devname));
1043 		/* get function number */
1044 		nxgep->function_num =
1045 		    (devname[strlen(devname) -1] == '1' ? 1 : 0);
1046 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1047 		    "nxge_map_regs: N2/NIU function number %d",
1048 		    nxgep->function_num));
1049 	} else {
1050 		int		*prop_val;
1051 		uint_t 		prop_len;
1052 		uint8_t 	func_num;
1053 
1054 		if (ddi_prop_lookup_int_array(DDI_DEV_T_ANY, nxgep->dip,
1055 		    0, "reg",
1056 		    &prop_val, &prop_len) != DDI_PROP_SUCCESS) {
1057 			NXGE_DEBUG_MSG((nxgep, VPD_CTL,
1058 			    "Reg property not found"));
1059 			ddi_status = DDI_FAILURE;
1060 			goto nxge_map_regs_fail0;
1061 
1062 		} else {
1063 			func_num = (prop_val[0] >> 8) & 0x7;
1064 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1065 			    "Reg property found: fun # %d",
1066 			    func_num));
1067 			nxgep->function_num = func_num;
1068 			if (isLDOMguest(nxgep)) {
1069 				nxgep->function_num /= 2;
1070 				return (NXGE_OK);
1071 			}
1072 			ddi_prop_free(prop_val);
1073 		}
1074 	}
1075 
1076 	switch (nxgep->niu_type) {
1077 	default:
1078 		(void) ddi_dev_regsize(nxgep->dip, 0, &regsize);
1079 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1080 		    "nxge_map_regs: pci config size 0x%x", regsize));
1081 
1082 		ddi_status = ddi_regs_map_setup(nxgep->dip, 0,
1083 		    (caddr_t *)&(dev_regs->nxge_pciregp), 0, 0,
1084 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_pciregh);
1085 		if (ddi_status != DDI_SUCCESS) {
1086 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1087 			    "ddi_map_regs, nxge bus config regs failed"));
1088 			goto nxge_map_regs_fail0;
1089 		}
1090 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1091 		    "nxge_map_reg: PCI config addr 0x%0llx "
1092 		    " handle 0x%0llx", dev_regs->nxge_pciregp,
1093 		    dev_regs->nxge_pciregh));
1094 			/*
1095 			 * IMP IMP
1096 			 * workaround  for bit swapping bug in HW
1097 			 * which ends up in no-snoop = yes
1098 			 * resulting, in DMA not synched properly
1099 			 */
1100 #if !defined(_BIG_ENDIAN)
1101 		/* workarounds for x86 systems */
1102 		pci_offset = 0x80 + PCIE_DEVCTL;
1103 		pcie_devctl = 0x0;
1104 		pcie_devctl &= PCIE_DEVCTL_ENABLE_NO_SNOOP;
1105 		pcie_devctl |= PCIE_DEVCTL_RO_EN;
1106 		pci_config_put16(dev_regs->nxge_pciregh, pci_offset,
1107 		    pcie_devctl);
1108 #endif
1109 
1110 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1111 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1112 		    "nxge_map_regs: pio size 0x%x", regsize));
1113 		/* set up the device mapped register */
1114 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1115 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1116 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1117 		if (ddi_status != DDI_SUCCESS) {
1118 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1119 			    "ddi_map_regs for Neptune global reg failed"));
1120 			goto nxge_map_regs_fail1;
1121 		}
1122 
1123 		/* set up the msi/msi-x mapped register */
1124 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1125 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1126 		    "nxge_map_regs: msix size 0x%x", regsize));
1127 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1128 		    (caddr_t *)&(dev_regs->nxge_msix_regp), 0, 0,
1129 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_msix_regh);
1130 		if (ddi_status != DDI_SUCCESS) {
1131 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1132 			    "ddi_map_regs for msi reg failed"));
1133 			goto nxge_map_regs_fail2;
1134 		}
1135 
1136 		/* set up the vio region mapped register */
1137 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1138 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1139 		    "nxge_map_regs: vio size 0x%x", regsize));
1140 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1141 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1142 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1143 
1144 		if (ddi_status != DDI_SUCCESS) {
1145 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1146 			    "ddi_map_regs for nxge vio reg failed"));
1147 			goto nxge_map_regs_fail3;
1148 		}
1149 		nxgep->dev_regs = dev_regs;
1150 
1151 		NPI_PCI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_pciregh);
1152 		NPI_PCI_ADD_HANDLE_SET(nxgep,
1153 		    (npi_reg_ptr_t)dev_regs->nxge_pciregp);
1154 		NPI_MSI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_msix_regh);
1155 		NPI_MSI_ADD_HANDLE_SET(nxgep,
1156 		    (npi_reg_ptr_t)dev_regs->nxge_msix_regp);
1157 
1158 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1159 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1160 
1161 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1162 		NPI_REG_ADD_HANDLE_SET(nxgep,
1163 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1164 
1165 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1166 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1167 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1168 
1169 		break;
1170 
1171 	case N2_NIU:
1172 		NXGE_DEBUG_MSG((nxgep, DDI_CTL, "ddi_map_regs, NIU"));
1173 		/*
1174 		 * Set up the device mapped register (FWARC 2006/556)
1175 		 * (changed back to 1: reg starts at 1!)
1176 		 */
1177 		(void) ddi_dev_regsize(nxgep->dip, 1, &regsize);
1178 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1179 		    "nxge_map_regs: dev size 0x%x", regsize));
1180 		ddi_status = ddi_regs_map_setup(nxgep->dip, 1,
1181 		    (caddr_t *)&(dev_regs->nxge_regp), 0, 0,
1182 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_regh);
1183 
1184 		if (ddi_status != DDI_SUCCESS) {
1185 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1186 			    "ddi_map_regs for N2/NIU, global reg failed "));
1187 			goto nxge_map_regs_fail1;
1188 		}
1189 
1190 		/* set up the first vio region mapped register */
1191 		(void) ddi_dev_regsize(nxgep->dip, 2, &regsize);
1192 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1193 		    "nxge_map_regs: vio (1) size 0x%x", regsize));
1194 		ddi_status = ddi_regs_map_setup(nxgep->dip, 2,
1195 		    (caddr_t *)&(dev_regs->nxge_vir_regp), 0, 0,
1196 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir_regh);
1197 
1198 		if (ddi_status != DDI_SUCCESS) {
1199 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1200 			    "ddi_map_regs for nxge vio reg failed"));
1201 			goto nxge_map_regs_fail2;
1202 		}
1203 		/* set up the second vio region mapped register */
1204 		(void) ddi_dev_regsize(nxgep->dip, 3, &regsize);
1205 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1206 		    "nxge_map_regs: vio (3) size 0x%x", regsize));
1207 		ddi_status = ddi_regs_map_setup(nxgep->dip, 3,
1208 		    (caddr_t *)&(dev_regs->nxge_vir2_regp), 0, 0,
1209 		    &nxge_dev_reg_acc_attr, &dev_regs->nxge_vir2_regh);
1210 
1211 		if (ddi_status != DDI_SUCCESS) {
1212 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1213 			    "ddi_map_regs for nxge vio2 reg failed"));
1214 			goto nxge_map_regs_fail3;
1215 		}
1216 		nxgep->dev_regs = dev_regs;
1217 
1218 		NPI_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1219 		NPI_ADD_HANDLE_SET(nxgep, (npi_reg_ptr_t)dev_regs->nxge_regp);
1220 
1221 		NPI_REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_regh);
1222 		NPI_REG_ADD_HANDLE_SET(nxgep,
1223 		    (npi_reg_ptr_t)dev_regs->nxge_regp);
1224 
1225 		NPI_VREG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir_regh);
1226 		NPI_VREG_ADD_HANDLE_SET(nxgep,
1227 		    (npi_reg_ptr_t)dev_regs->nxge_vir_regp);
1228 
1229 		NPI_V2REG_ACC_HANDLE_SET(nxgep, dev_regs->nxge_vir2_regh);
1230 		NPI_V2REG_ADD_HANDLE_SET(nxgep,
1231 		    (npi_reg_ptr_t)dev_regs->nxge_vir2_regp);
1232 
1233 		break;
1234 	}
1235 
1236 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "nxge_map_reg: hardware addr 0x%0llx "
1237 	    " handle 0x%0llx", dev_regs->nxge_regp, dev_regs->nxge_regh));
1238 
1239 	goto nxge_map_regs_exit;
1240 nxge_map_regs_fail3:
1241 	if (dev_regs->nxge_msix_regh) {
1242 		ddi_regs_map_free(&dev_regs->nxge_msix_regh);
1243 	}
1244 	if (dev_regs->nxge_vir_regh) {
1245 		ddi_regs_map_free(&dev_regs->nxge_regh);
1246 	}
1247 nxge_map_regs_fail2:
1248 	if (dev_regs->nxge_regh) {
1249 		ddi_regs_map_free(&dev_regs->nxge_regh);
1250 	}
1251 nxge_map_regs_fail1:
1252 	if (dev_regs->nxge_pciregh) {
1253 		ddi_regs_map_free(&dev_regs->nxge_pciregh);
1254 	}
1255 nxge_map_regs_fail0:
1256 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "Freeing register set memory"));
1257 	kmem_free(dev_regs, sizeof (dev_regs_t));
1258 
1259 nxge_map_regs_exit:
1260 	if (ddi_status != DDI_SUCCESS)
1261 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1262 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_map_regs"));
1263 	return (status);
1264 }
1265 
1266 static void
1267 nxge_unmap_regs(p_nxge_t nxgep)
1268 {
1269 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_unmap_regs"));
1270 
1271 	if (isLDOMguest(nxgep)) {
1272 		nxge_guest_regs_map_free(nxgep);
1273 		return;
1274 	}
1275 
1276 	if (nxgep->dev_regs) {
1277 		if (nxgep->dev_regs->nxge_pciregh) {
1278 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1279 			    "==> nxge_unmap_regs: bus"));
1280 			ddi_regs_map_free(&nxgep->dev_regs->nxge_pciregh);
1281 			nxgep->dev_regs->nxge_pciregh = NULL;
1282 		}
1283 		if (nxgep->dev_regs->nxge_regh) {
1284 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1285 			    "==> nxge_unmap_regs: device registers"));
1286 			ddi_regs_map_free(&nxgep->dev_regs->nxge_regh);
1287 			nxgep->dev_regs->nxge_regh = NULL;
1288 		}
1289 		if (nxgep->dev_regs->nxge_msix_regh) {
1290 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1291 			    "==> nxge_unmap_regs: device interrupts"));
1292 			ddi_regs_map_free(&nxgep->dev_regs->nxge_msix_regh);
1293 			nxgep->dev_regs->nxge_msix_regh = NULL;
1294 		}
1295 		if (nxgep->dev_regs->nxge_vir_regh) {
1296 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1297 			    "==> nxge_unmap_regs: vio region"));
1298 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir_regh);
1299 			nxgep->dev_regs->nxge_vir_regh = NULL;
1300 		}
1301 		if (nxgep->dev_regs->nxge_vir2_regh) {
1302 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1303 			    "==> nxge_unmap_regs: vio2 region"));
1304 			ddi_regs_map_free(&nxgep->dev_regs->nxge_vir2_regh);
1305 			nxgep->dev_regs->nxge_vir2_regh = NULL;
1306 		}
1307 
1308 		kmem_free(nxgep->dev_regs, sizeof (dev_regs_t));
1309 		nxgep->dev_regs = NULL;
1310 	}
1311 
1312 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_unmap_regs"));
1313 }
1314 
1315 static nxge_status_t
1316 nxge_setup_mutexes(p_nxge_t nxgep)
1317 {
1318 	int ddi_status = DDI_SUCCESS;
1319 	nxge_status_t status = NXGE_OK;
1320 	nxge_classify_t *classify_ptr;
1321 	int partition;
1322 
1323 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_mutexes"));
1324 
1325 	/*
1326 	 * Get the interrupt cookie so the mutexes can be
1327 	 * Initialized.
1328 	 */
1329 	if (isLDOMguest(nxgep)) {
1330 		nxgep->interrupt_cookie = 0;
1331 	} else {
1332 		ddi_status = ddi_get_iblock_cookie(nxgep->dip, 0,
1333 		    &nxgep->interrupt_cookie);
1334 
1335 		if (ddi_status != DDI_SUCCESS) {
1336 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1337 			    "<== nxge_setup_mutexes: failed 0x%x",
1338 			    ddi_status));
1339 			goto nxge_setup_mutexes_exit;
1340 		}
1341 	}
1342 
1343 	cv_init(&nxgep->poll_cv, NULL, CV_DRIVER, NULL);
1344 	MUTEX_INIT(&nxgep->poll_lock, NULL,
1345 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1346 
1347 	/*
1348 	 * Initialize mutexes for this device.
1349 	 */
1350 	MUTEX_INIT(nxgep->genlock, NULL,
1351 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1352 	MUTEX_INIT(&nxgep->ouraddr_lock, NULL,
1353 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1354 	MUTEX_INIT(&nxgep->mif_lock, NULL,
1355 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1356 	MUTEX_INIT(&nxgep->group_lock, NULL,
1357 	    MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1358 	RW_INIT(&nxgep->filter_lock, NULL,
1359 	    RW_DRIVER, (void *)nxgep->interrupt_cookie);
1360 
1361 	classify_ptr = &nxgep->classifier;
1362 		/*
1363 		 * FFLP Mutexes are never used in interrupt context
1364 		 * as fflp operation can take very long time to
1365 		 * complete and hence not suitable to invoke from interrupt
1366 		 * handlers.
1367 		 */
1368 	MUTEX_INIT(&classify_ptr->tcam_lock, NULL,
1369 	    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1370 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1371 		MUTEX_INIT(&classify_ptr->fcram_lock, NULL,
1372 		    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1373 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1374 			MUTEX_INIT(&classify_ptr->hash_lock[partition], NULL,
1375 			    NXGE_MUTEX_DRIVER, (void *)nxgep->interrupt_cookie);
1376 		}
1377 	}
1378 
1379 nxge_setup_mutexes_exit:
1380 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1381 	    "<== nxge_setup_mutexes status = %x", status));
1382 
1383 	if (ddi_status != DDI_SUCCESS)
1384 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
1385 
1386 	return (status);
1387 }
1388 
1389 static void
1390 nxge_destroy_mutexes(p_nxge_t nxgep)
1391 {
1392 	int partition;
1393 	nxge_classify_t *classify_ptr;
1394 
1395 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_mutexes"));
1396 	RW_DESTROY(&nxgep->filter_lock);
1397 	MUTEX_DESTROY(&nxgep->group_lock);
1398 	MUTEX_DESTROY(&nxgep->mif_lock);
1399 	MUTEX_DESTROY(&nxgep->ouraddr_lock);
1400 	MUTEX_DESTROY(nxgep->genlock);
1401 
1402 	classify_ptr = &nxgep->classifier;
1403 	MUTEX_DESTROY(&classify_ptr->tcam_lock);
1404 
1405 	/* Destroy all polling resources. */
1406 	MUTEX_DESTROY(&nxgep->poll_lock);
1407 	cv_destroy(&nxgep->poll_cv);
1408 
1409 	/* free data structures, based on HW type */
1410 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1411 		MUTEX_DESTROY(&classify_ptr->fcram_lock);
1412 		for (partition = 0; partition < MAX_PARTITION; partition++) {
1413 			MUTEX_DESTROY(&classify_ptr->hash_lock[partition]);
1414 		}
1415 	}
1416 
1417 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_mutexes"));
1418 }
1419 
1420 nxge_status_t
1421 nxge_init(p_nxge_t nxgep)
1422 {
1423 	nxge_status_t status = NXGE_OK;
1424 
1425 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_init"));
1426 
1427 	if (nxgep->drv_state & STATE_HW_INITIALIZED) {
1428 		return (status);
1429 	}
1430 
1431 	/*
1432 	 * Allocate system memory for the receive/transmit buffer blocks
1433 	 * and receive/transmit descriptor rings.
1434 	 */
1435 	status = nxge_alloc_mem_pool(nxgep);
1436 	if (status != NXGE_OK) {
1437 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "alloc mem failed\n"));
1438 		goto nxge_init_fail1;
1439 	}
1440 
1441 	if (!isLDOMguest(nxgep)) {
1442 		/*
1443 		 * Initialize and enable the TXC registers.
1444 		 * (Globally enable the Tx controller,
1445 		 *  enable the port, configure the dma channel bitmap,
1446 		 *  configure the max burst size).
1447 		 */
1448 		status = nxge_txc_init(nxgep);
1449 		if (status != NXGE_OK) {
1450 			NXGE_ERROR_MSG((nxgep,
1451 			    NXGE_ERR_CTL, "init txc failed\n"));
1452 			goto nxge_init_fail2;
1453 		}
1454 	}
1455 
1456 	/*
1457 	 * Initialize and enable TXDMA channels.
1458 	 */
1459 	status = nxge_init_txdma_channels(nxgep);
1460 	if (status != NXGE_OK) {
1461 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init txdma failed\n"));
1462 		goto nxge_init_fail3;
1463 	}
1464 
1465 	/*
1466 	 * Initialize and enable RXDMA channels.
1467 	 */
1468 	status = nxge_init_rxdma_channels(nxgep);
1469 	if (status != NXGE_OK) {
1470 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init rxdma failed\n"));
1471 		goto nxge_init_fail4;
1472 	}
1473 
1474 	/*
1475 	 * The guest domain is now done.
1476 	 */
1477 	if (isLDOMguest(nxgep)) {
1478 		nxgep->drv_state |= STATE_HW_INITIALIZED;
1479 		goto nxge_init_exit;
1480 	}
1481 
1482 	/*
1483 	 * Initialize TCAM and FCRAM (Neptune).
1484 	 */
1485 	status = nxge_classify_init(nxgep);
1486 	if (status != NXGE_OK) {
1487 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init classify failed\n"));
1488 		goto nxge_init_fail5;
1489 	}
1490 
1491 	/*
1492 	 * Initialize ZCP
1493 	 */
1494 	status = nxge_zcp_init(nxgep);
1495 	if (status != NXGE_OK) {
1496 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init ZCP failed\n"));
1497 		goto nxge_init_fail5;
1498 	}
1499 
1500 	/*
1501 	 * Initialize IPP.
1502 	 */
1503 	status = nxge_ipp_init(nxgep);
1504 	if (status != NXGE_OK) {
1505 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init IPP failed\n"));
1506 		goto nxge_init_fail5;
1507 	}
1508 
1509 	/*
1510 	 * Initialize the MAC block.
1511 	 */
1512 	status = nxge_mac_init(nxgep);
1513 	if (status != NXGE_OK) {
1514 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "init MAC failed\n"));
1515 		goto nxge_init_fail5;
1516 	}
1517 
1518 	nxge_intrs_enable(nxgep); /* XXX What changes do I need to make here? */
1519 
1520 	/*
1521 	 * Enable hardware interrupts.
1522 	 */
1523 	nxge_intr_hw_enable(nxgep);
1524 	nxgep->drv_state |= STATE_HW_INITIALIZED;
1525 
1526 	goto nxge_init_exit;
1527 
1528 nxge_init_fail5:
1529 	nxge_uninit_rxdma_channels(nxgep);
1530 nxge_init_fail4:
1531 	nxge_uninit_txdma_channels(nxgep);
1532 nxge_init_fail3:
1533 	if (!isLDOMguest(nxgep)) {
1534 		(void) nxge_txc_uninit(nxgep);
1535 	}
1536 nxge_init_fail2:
1537 	nxge_free_mem_pool(nxgep);
1538 nxge_init_fail1:
1539 	NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1540 	    "<== nxge_init status (failed) = 0x%08x", status));
1541 	return (status);
1542 
1543 nxge_init_exit:
1544 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_init status = 0x%08x",
1545 	    status));
1546 	return (status);
1547 }
1548 
1549 
1550 timeout_id_t
1551 nxge_start_timer(p_nxge_t nxgep, fptrv_t func, int msec)
1552 {
1553 	if ((nxgep->suspended == 0) || (nxgep->suspended == DDI_RESUME)) {
1554 		return (timeout(func, (caddr_t)nxgep,
1555 		    drv_usectohz(1000 * msec)));
1556 	}
1557 	return (NULL);
1558 }
1559 
1560 /*ARGSUSED*/
1561 void
1562 nxge_stop_timer(p_nxge_t nxgep, timeout_id_t timerid)
1563 {
1564 	if (timerid) {
1565 		(void) untimeout(timerid);
1566 	}
1567 }
1568 
1569 void
1570 nxge_uninit(p_nxge_t nxgep)
1571 {
1572 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_uninit"));
1573 
1574 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
1575 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1576 		    "==> nxge_uninit: not initialized"));
1577 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1578 		    "<== nxge_uninit"));
1579 		return;
1580 	}
1581 
1582 	/* stop timer */
1583 	if (nxgep->nxge_timerid) {
1584 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
1585 		nxgep->nxge_timerid = 0;
1586 	}
1587 
1588 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1589 	(void) nxge_intr_hw_disable(nxgep);
1590 
1591 	/*
1592 	 * Reset the receive MAC side.
1593 	 */
1594 	(void) nxge_rx_mac_disable(nxgep);
1595 
1596 	/* Disable and soft reset the IPP */
1597 	if (!isLDOMguest(nxgep))
1598 		(void) nxge_ipp_disable(nxgep);
1599 
1600 	/* Free classification resources */
1601 	(void) nxge_classify_uninit(nxgep);
1602 
1603 	/*
1604 	 * Reset the transmit/receive DMA side.
1605 	 */
1606 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_STOP);
1607 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_STOP);
1608 
1609 	nxge_uninit_txdma_channels(nxgep);
1610 	nxge_uninit_rxdma_channels(nxgep);
1611 
1612 	/*
1613 	 * Reset the transmit MAC side.
1614 	 */
1615 	(void) nxge_tx_mac_disable(nxgep);
1616 
1617 	nxge_free_mem_pool(nxgep);
1618 
1619 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1620 
1621 	nxgep->drv_state &= ~STATE_HW_INITIALIZED;
1622 
1623 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_uninit: "
1624 	    "nxge_mblks_pending %d", nxge_mblks_pending));
1625 }
1626 
1627 void
1628 nxge_get64(p_nxge_t nxgep, p_mblk_t mp)
1629 {
1630 #if defined(__i386)
1631 	size_t		reg;
1632 #else
1633 	uint64_t	reg;
1634 #endif
1635 	uint64_t	regdata;
1636 	int		i, retry;
1637 
1638 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1639 	regdata = 0;
1640 	retry = 1;
1641 
1642 	for (i = 0; i < retry; i++) {
1643 		NXGE_REG_RD64(nxgep->npi_handle, reg, &regdata);
1644 	}
1645 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1646 }
1647 
1648 void
1649 nxge_put64(p_nxge_t nxgep, p_mblk_t mp)
1650 {
1651 #if defined(__i386)
1652 	size_t		reg;
1653 #else
1654 	uint64_t	reg;
1655 #endif
1656 	uint64_t	buf[2];
1657 
1658 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1659 #if defined(__i386)
1660 	reg = (size_t)buf[0];
1661 #else
1662 	reg = buf[0];
1663 #endif
1664 
1665 	NXGE_NPI_PIO_WRITE64(nxgep->npi_handle, reg, buf[1]);
1666 }
1667 
1668 
1669 nxge_os_mutex_t nxgedebuglock;
1670 int nxge_debug_init = 0;
1671 
1672 /*ARGSUSED*/
1673 /*VARARGS*/
1674 void
1675 nxge_debug_msg(p_nxge_t nxgep, uint64_t level, char *fmt, ...)
1676 {
1677 	char msg_buffer[1048];
1678 	char prefix_buffer[32];
1679 	int instance;
1680 	uint64_t debug_level;
1681 	int cmn_level = CE_CONT;
1682 	va_list ap;
1683 
1684 	if (nxgep && nxgep->nxge_debug_level != nxge_debug_level) {
1685 		/* In case a developer has changed nxge_debug_level. */
1686 		if (nxgep->nxge_debug_level != nxge_debug_level)
1687 			nxgep->nxge_debug_level = nxge_debug_level;
1688 	}
1689 
1690 	debug_level = (nxgep == NULL) ? nxge_debug_level :
1691 	    nxgep->nxge_debug_level;
1692 
1693 	if ((level & debug_level) ||
1694 	    (level == NXGE_NOTE) ||
1695 	    (level == NXGE_ERR_CTL)) {
1696 		/* do the msg processing */
1697 		if (nxge_debug_init == 0) {
1698 			MUTEX_INIT(&nxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1699 			nxge_debug_init = 1;
1700 		}
1701 
1702 		MUTEX_ENTER(&nxgedebuglock);
1703 
1704 		if ((level & NXGE_NOTE)) {
1705 			cmn_level = CE_NOTE;
1706 		}
1707 
1708 		if (level & NXGE_ERR_CTL) {
1709 			cmn_level = CE_WARN;
1710 		}
1711 
1712 		va_start(ap, fmt);
1713 		(void) vsprintf(msg_buffer, fmt, ap);
1714 		va_end(ap);
1715 		if (nxgep == NULL) {
1716 			instance = -1;
1717 			(void) sprintf(prefix_buffer, "%s :", "nxge");
1718 		} else {
1719 			instance = nxgep->instance;
1720 			(void) sprintf(prefix_buffer,
1721 			    "%s%d :", "nxge", instance);
1722 		}
1723 
1724 		MUTEX_EXIT(&nxgedebuglock);
1725 		cmn_err(cmn_level, "!%s %s\n",
1726 		    prefix_buffer, msg_buffer);
1727 
1728 	}
1729 }
1730 
1731 char *
1732 nxge_dump_packet(char *addr, int size)
1733 {
1734 	uchar_t *ap = (uchar_t *)addr;
1735 	int i;
1736 	static char etherbuf[1024];
1737 	char *cp = etherbuf;
1738 	char digits[] = "0123456789abcdef";
1739 
1740 	if (!size)
1741 		size = 60;
1742 
1743 	if (size > MAX_DUMP_SZ) {
1744 		/* Dump the leading bytes */
1745 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1746 			if (*ap > 0x0f)
1747 				*cp++ = digits[*ap >> 4];
1748 			*cp++ = digits[*ap++ & 0xf];
1749 			*cp++ = ':';
1750 		}
1751 		for (i = 0; i < 20; i++)
1752 			*cp++ = '.';
1753 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1754 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ/2));
1755 		for (i = 0; i < MAX_DUMP_SZ/2; i++) {
1756 			if (*ap > 0x0f)
1757 				*cp++ = digits[*ap >> 4];
1758 			*cp++ = digits[*ap++ & 0xf];
1759 			*cp++ = ':';
1760 		}
1761 	} else {
1762 		for (i = 0; i < size; i++) {
1763 			if (*ap > 0x0f)
1764 				*cp++ = digits[*ap >> 4];
1765 			*cp++ = digits[*ap++ & 0xf];
1766 			*cp++ = ':';
1767 		}
1768 	}
1769 	*--cp = 0;
1770 	return (etherbuf);
1771 }
1772 
1773 #ifdef	NXGE_DEBUG
1774 static void
1775 nxge_test_map_regs(p_nxge_t nxgep)
1776 {
1777 	ddi_acc_handle_t cfg_handle;
1778 	p_pci_cfg_t	cfg_ptr;
1779 	ddi_acc_handle_t dev_handle;
1780 	char		*dev_ptr;
1781 	ddi_acc_handle_t pci_config_handle;
1782 	uint32_t	regval;
1783 	int		i;
1784 
1785 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_test_map_regs"));
1786 
1787 	dev_handle = nxgep->dev_regs->nxge_regh;
1788 	dev_ptr = (char *)nxgep->dev_regs->nxge_regp;
1789 
1790 	if (NXGE_IS_VALID_NEPTUNE_TYPE(nxgep)) {
1791 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1792 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1793 
1794 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1795 		    "Neptune PCI regp cfg_ptr 0x%llx", (char *)cfg_ptr));
1796 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1797 		    "Neptune PCI cfg_ptr vendor id ptr 0x%llx",
1798 		    &cfg_ptr->vendorid));
1799 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1800 		    "\tvendorid 0x%x devid 0x%x",
1801 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->vendorid, 0),
1802 		    NXGE_PIO_READ16(cfg_handle, &cfg_ptr->devid,    0)));
1803 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1804 		    "PCI BAR: base 0x%x base14 0x%x base 18 0x%x "
1805 		    "bar1c 0x%x",
1806 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base,   0),
1807 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base14, 0),
1808 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base18, 0),
1809 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base1c, 0)));
1810 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1811 		    "\nNeptune PCI BAR: base20 0x%x base24 0x%x "
1812 		    "base 28 0x%x bar2c 0x%x\n",
1813 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base20, 0),
1814 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base24, 0),
1815 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base28, 0),
1816 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base2c, 0)));
1817 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1818 		    "\nNeptune PCI BAR: base30 0x%x\n",
1819 		    NXGE_PIO_READ32(cfg_handle, &cfg_ptr->base30, 0)));
1820 
1821 		cfg_handle = nxgep->dev_regs->nxge_pciregh;
1822 		cfg_ptr = (void *)nxgep->dev_regs->nxge_pciregp;
1823 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1824 		    "first  0x%llx second 0x%llx third 0x%llx "
1825 		    "last 0x%llx ",
1826 		    NXGE_PIO_READ64(dev_handle,
1827 		    (uint64_t *)(dev_ptr + 0),  0),
1828 		    NXGE_PIO_READ64(dev_handle,
1829 		    (uint64_t *)(dev_ptr + 8),  0),
1830 		    NXGE_PIO_READ64(dev_handle,
1831 		    (uint64_t *)(dev_ptr + 16), 0),
1832 		    NXGE_PIO_READ64(cfg_handle,
1833 		    (uint64_t *)(dev_ptr + 24), 0)));
1834 	}
1835 }
1836 
1837 #endif
1838 
1839 static void
1840 nxge_suspend(p_nxge_t nxgep)
1841 {
1842 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_suspend"));
1843 
1844 	nxge_intrs_disable(nxgep);
1845 	nxge_destroy_dev(nxgep);
1846 
1847 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_suspend"));
1848 }
1849 
1850 static nxge_status_t
1851 nxge_resume(p_nxge_t nxgep)
1852 {
1853 	nxge_status_t status = NXGE_OK;
1854 
1855 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_resume"));
1856 
1857 	nxgep->suspended = DDI_RESUME;
1858 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_START);
1859 	(void) nxge_rxdma_hw_mode(nxgep, NXGE_DMA_START);
1860 	(void) nxge_txdma_hw_mode(nxgep, NXGE_DMA_START);
1861 	(void) nxge_rx_mac_enable(nxgep);
1862 	(void) nxge_tx_mac_enable(nxgep);
1863 	nxge_intrs_enable(nxgep);
1864 	nxgep->suspended = 0;
1865 
1866 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1867 	    "<== nxge_resume status = 0x%x", status));
1868 	return (status);
1869 }
1870 
1871 static nxge_status_t
1872 nxge_setup_dev(p_nxge_t nxgep)
1873 {
1874 	nxge_status_t	status = NXGE_OK;
1875 
1876 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_setup_dev port %d",
1877 	    nxgep->mac.portnum));
1878 
1879 	status = nxge_link_init(nxgep);
1880 
1881 	if (fm_check_acc_handle(nxgep->dev_regs->nxge_regh) != DDI_FM_OK) {
1882 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1883 		    "port%d Bad register acc handle", nxgep->mac.portnum));
1884 		status = NXGE_ERROR;
1885 	}
1886 
1887 	if (status != NXGE_OK) {
1888 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1889 		    " nxge_setup_dev status "
1890 		    "(xcvr init 0x%08x)", status));
1891 		goto nxge_setup_dev_exit;
1892 	}
1893 
1894 nxge_setup_dev_exit:
1895 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1896 	    "<== nxge_setup_dev port %d status = 0x%08x",
1897 	    nxgep->mac.portnum, status));
1898 
1899 	return (status);
1900 }
1901 
1902 static void
1903 nxge_destroy_dev(p_nxge_t nxgep)
1904 {
1905 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_destroy_dev"));
1906 
1907 	(void) nxge_link_monitor(nxgep, LINK_MONITOR_STOP);
1908 
1909 	(void) nxge_hw_stop(nxgep);
1910 
1911 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_destroy_dev"));
1912 }
1913 
1914 static nxge_status_t
1915 nxge_setup_system_dma_pages(p_nxge_t nxgep)
1916 {
1917 	int 			ddi_status = DDI_SUCCESS;
1918 	uint_t 			count;
1919 	ddi_dma_cookie_t 	cookie;
1920 	uint_t 			iommu_pagesize;
1921 	nxge_status_t		status = NXGE_OK;
1922 
1923 	NXGE_ERROR_MSG((nxgep, DDI_CTL, "==> nxge_setup_system_dma_pages"));
1924 	nxgep->sys_page_sz = ddi_ptob(nxgep->dip, (ulong_t)1);
1925 	if (nxgep->niu_type != N2_NIU) {
1926 		iommu_pagesize = dvma_pagesize(nxgep->dip);
1927 		NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1928 		    " nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1929 		    " default_block_size %d iommu_pagesize %d",
1930 		    nxgep->sys_page_sz,
1931 		    ddi_ptob(nxgep->dip, (ulong_t)1),
1932 		    nxgep->rx_default_block_size,
1933 		    iommu_pagesize));
1934 
1935 		if (iommu_pagesize != 0) {
1936 			if (nxgep->sys_page_sz == iommu_pagesize) {
1937 				if (iommu_pagesize > 0x4000)
1938 					nxgep->sys_page_sz = 0x4000;
1939 			} else {
1940 				if (nxgep->sys_page_sz > iommu_pagesize)
1941 					nxgep->sys_page_sz = iommu_pagesize;
1942 			}
1943 		}
1944 	}
1945 	nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1946 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
1947 	    "==> nxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1948 	    "default_block_size %d page mask %d",
1949 	    nxgep->sys_page_sz,
1950 	    ddi_ptob(nxgep->dip, (ulong_t)1),
1951 	    nxgep->rx_default_block_size,
1952 	    nxgep->sys_page_mask));
1953 
1954 
1955 	switch (nxgep->sys_page_sz) {
1956 	default:
1957 		nxgep->sys_page_sz = 0x1000;
1958 		nxgep->sys_page_mask = ~(nxgep->sys_page_sz - 1);
1959 		nxgep->rx_default_block_size = 0x1000;
1960 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1961 		break;
1962 	case 0x1000:
1963 		nxgep->rx_default_block_size = 0x1000;
1964 		nxgep->rx_bksize_code = RBR_BKSIZE_4K;
1965 		break;
1966 	case 0x2000:
1967 		nxgep->rx_default_block_size = 0x2000;
1968 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
1969 		break;
1970 	case 0x4000:
1971 		nxgep->rx_default_block_size = 0x4000;
1972 		nxgep->rx_bksize_code = RBR_BKSIZE_16K;
1973 		break;
1974 	case 0x8000:
1975 		nxgep->rx_default_block_size = 0x8000;
1976 		nxgep->rx_bksize_code = RBR_BKSIZE_32K;
1977 		break;
1978 	}
1979 
1980 #ifndef USE_RX_BIG_BUF
1981 	nxge_rx_dma_attr.dma_attr_align = nxgep->sys_page_sz;
1982 #else
1983 		nxgep->rx_default_block_size = 0x2000;
1984 		nxgep->rx_bksize_code = RBR_BKSIZE_8K;
1985 #endif
1986 	/*
1987 	 * Get the system DMA burst size.
1988 	 */
1989 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, &nxge_tx_dma_attr,
1990 	    DDI_DMA_DONTWAIT, 0,
1991 	    &nxgep->dmasparehandle);
1992 	if (ddi_status != DDI_SUCCESS) {
1993 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
1994 		    "ddi_dma_alloc_handle: failed "
1995 		    " status 0x%x", ddi_status));
1996 		goto nxge_get_soft_properties_exit;
1997 	}
1998 
1999 	ddi_status = ddi_dma_addr_bind_handle(nxgep->dmasparehandle, NULL,
2000 	    (caddr_t)nxgep->dmasparehandle,
2001 	    sizeof (nxgep->dmasparehandle),
2002 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2003 	    DDI_DMA_DONTWAIT, 0,
2004 	    &cookie, &count);
2005 	if (ddi_status != DDI_DMA_MAPPED) {
2006 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2007 		    "Binding spare handle to find system"
2008 		    " burstsize failed."));
2009 		ddi_status = DDI_FAILURE;
2010 		goto nxge_get_soft_properties_fail1;
2011 	}
2012 
2013 	nxgep->sys_burst_sz = ddi_dma_burstsizes(nxgep->dmasparehandle);
2014 	(void) ddi_dma_unbind_handle(nxgep->dmasparehandle);
2015 
2016 nxge_get_soft_properties_fail1:
2017 	ddi_dma_free_handle(&nxgep->dmasparehandle);
2018 
2019 nxge_get_soft_properties_exit:
2020 
2021 	if (ddi_status != DDI_SUCCESS)
2022 		status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2023 
2024 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
2025 	    "<== nxge_setup_system_dma_pages status = 0x%08x", status));
2026 	return (status);
2027 }
2028 
2029 static nxge_status_t
2030 nxge_alloc_mem_pool(p_nxge_t nxgep)
2031 {
2032 	nxge_status_t	status = NXGE_OK;
2033 
2034 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_alloc_mem_pool"));
2035 
2036 	status = nxge_alloc_rx_mem_pool(nxgep);
2037 	if (status != NXGE_OK) {
2038 		return (NXGE_ERROR);
2039 	}
2040 
2041 	status = nxge_alloc_tx_mem_pool(nxgep);
2042 	if (status != NXGE_OK) {
2043 		nxge_free_rx_mem_pool(nxgep);
2044 		return (NXGE_ERROR);
2045 	}
2046 
2047 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_alloc_mem_pool"));
2048 	return (NXGE_OK);
2049 }
2050 
2051 static void
2052 nxge_free_mem_pool(p_nxge_t nxgep)
2053 {
2054 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_mem_pool"));
2055 
2056 	nxge_free_rx_mem_pool(nxgep);
2057 	nxge_free_tx_mem_pool(nxgep);
2058 
2059 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_mem_pool"));
2060 }
2061 
2062 nxge_status_t
2063 nxge_alloc_rx_mem_pool(p_nxge_t nxgep)
2064 {
2065 	uint32_t		rdc_max;
2066 	p_nxge_dma_pt_cfg_t	p_all_cfgp;
2067 	p_nxge_hw_pt_cfg_t	p_cfgp;
2068 	p_nxge_dma_pool_t	dma_poolp;
2069 	p_nxge_dma_common_t	*dma_buf_p;
2070 	p_nxge_dma_pool_t	dma_cntl_poolp;
2071 	p_nxge_dma_common_t	*dma_cntl_p;
2072 	uint32_t 		*num_chunks; /* per dma */
2073 	nxge_status_t		status = NXGE_OK;
2074 
2075 	uint32_t		nxge_port_rbr_size;
2076 	uint32_t		nxge_port_rbr_spare_size;
2077 	uint32_t		nxge_port_rcr_size;
2078 	uint32_t		rx_cntl_alloc_size;
2079 
2080 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_mem_pool"));
2081 
2082 	p_all_cfgp = (p_nxge_dma_pt_cfg_t)&nxgep->pt_config;
2083 	p_cfgp = (p_nxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
2084 	rdc_max = NXGE_MAX_RDCS;
2085 
2086 	/*
2087 	 * Allocate memory for the common DMA data structures.
2088 	 */
2089 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2090 	    KM_SLEEP);
2091 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2092 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2093 
2094 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2095 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2096 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2097 	    sizeof (p_nxge_dma_common_t) * rdc_max, KM_SLEEP);
2098 
2099 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2100 	    sizeof (uint32_t) * rdc_max, KM_SLEEP);
2101 
2102 	/*
2103 	 * Assume that each DMA channel will be configured with
2104 	 * the default block size.
2105 	 * rbr block counts are modulo the batch count (16).
2106 	 */
2107 	nxge_port_rbr_size = p_all_cfgp->rbr_size;
2108 	nxge_port_rcr_size = p_all_cfgp->rcr_size;
2109 
2110 	if (!nxge_port_rbr_size) {
2111 		nxge_port_rbr_size = NXGE_RBR_RBB_DEFAULT;
2112 	}
2113 	if (nxge_port_rbr_size % NXGE_RXDMA_POST_BATCH) {
2114 		nxge_port_rbr_size = (NXGE_RXDMA_POST_BATCH *
2115 		    (nxge_port_rbr_size / NXGE_RXDMA_POST_BATCH + 1));
2116 	}
2117 
2118 	p_all_cfgp->rbr_size = nxge_port_rbr_size;
2119 	nxge_port_rbr_spare_size = nxge_rbr_spare_size;
2120 
2121 	if (nxge_port_rbr_spare_size % NXGE_RXDMA_POST_BATCH) {
2122 		nxge_port_rbr_spare_size = (NXGE_RXDMA_POST_BATCH *
2123 		    (nxge_port_rbr_spare_size / NXGE_RXDMA_POST_BATCH + 1));
2124 	}
2125 	if (nxge_port_rbr_size > RBR_DEFAULT_MAX_BLKS) {
2126 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2127 		    "nxge_alloc_rx_mem_pool: RBR size too high %d, "
2128 		    "set to default %d",
2129 		    nxge_port_rbr_size, RBR_DEFAULT_MAX_BLKS));
2130 		nxge_port_rbr_size = RBR_DEFAULT_MAX_BLKS;
2131 	}
2132 	if (nxge_port_rcr_size > RCR_DEFAULT_MAX) {
2133 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2134 		    "nxge_alloc_rx_mem_pool: RCR too high %d, "
2135 		    "set to default %d",
2136 		    nxge_port_rcr_size, RCR_DEFAULT_MAX));
2137 		nxge_port_rcr_size = RCR_DEFAULT_MAX;
2138 	}
2139 
2140 	/*
2141 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2142 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2143 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2144 	 * function).
2145 	 */
2146 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2147 	if (nxgep->niu_type == N2_NIU) {
2148 		nxge_port_rbr_spare_size = 0;
2149 		if ((nxge_port_rbr_size > NXGE_NIU_CONTIG_RBR_MAX) ||
2150 		    (!ISP2(nxge_port_rbr_size))) {
2151 			nxge_port_rbr_size = NXGE_NIU_CONTIG_RBR_MAX;
2152 		}
2153 		if ((nxge_port_rcr_size > NXGE_NIU_CONTIG_RCR_MAX) ||
2154 		    (!ISP2(nxge_port_rcr_size))) {
2155 			nxge_port_rcr_size = NXGE_NIU_CONTIG_RCR_MAX;
2156 		}
2157 	}
2158 #endif
2159 
2160 	/*
2161 	 * Addresses of receive block ring, receive completion ring and the
2162 	 * mailbox must be all cache-aligned (64 bytes).
2163 	 */
2164 	rx_cntl_alloc_size = nxge_port_rbr_size + nxge_port_rbr_spare_size;
2165 	rx_cntl_alloc_size *= (sizeof (rx_desc_t));
2166 	rx_cntl_alloc_size += (sizeof (rcr_entry_t) * nxge_port_rcr_size);
2167 	rx_cntl_alloc_size += sizeof (rxdma_mailbox_t);
2168 
2169 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_alloc_rx_mem_pool: "
2170 	    "nxge_port_rbr_size = %d nxge_port_rbr_spare_size = %d "
2171 	    "nxge_port_rcr_size = %d "
2172 	    "rx_cntl_alloc_size = %d",
2173 	    nxge_port_rbr_size, nxge_port_rbr_spare_size,
2174 	    nxge_port_rcr_size,
2175 	    rx_cntl_alloc_size));
2176 
2177 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2178 	if (nxgep->niu_type == N2_NIU) {
2179 		uint32_t rx_buf_alloc_size = (nxgep->rx_default_block_size *
2180 		    (nxge_port_rbr_size + nxge_port_rbr_spare_size));
2181 
2182 		if (!ISP2(rx_buf_alloc_size)) {
2183 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2184 			    "==> nxge_alloc_rx_mem_pool: "
2185 			    " must be power of 2"));
2186 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2187 			goto nxge_alloc_rx_mem_pool_exit;
2188 		}
2189 
2190 		if (rx_buf_alloc_size > (1 << 22)) {
2191 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2192 			    "==> nxge_alloc_rx_mem_pool: "
2193 			    " limit size to 4M"));
2194 			status |= (NXGE_ERROR | NXGE_DDI_FAILED);
2195 			goto nxge_alloc_rx_mem_pool_exit;
2196 		}
2197 
2198 		if (rx_cntl_alloc_size < 0x2000) {
2199 			rx_cntl_alloc_size = 0x2000;
2200 		}
2201 	}
2202 #endif
2203 	nxgep->nxge_port_rbr_size = nxge_port_rbr_size;
2204 	nxgep->nxge_port_rcr_size = nxge_port_rcr_size;
2205 	nxgep->nxge_port_rbr_spare_size = nxge_port_rbr_spare_size;
2206 	nxgep->nxge_port_rx_cntl_alloc_size = rx_cntl_alloc_size;
2207 
2208 	dma_poolp->ndmas = p_cfgp->max_rdcs;
2209 	dma_poolp->num_chunks = num_chunks;
2210 	dma_poolp->buf_allocated = B_TRUE;
2211 	nxgep->rx_buf_pool_p = dma_poolp;
2212 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2213 
2214 	dma_cntl_poolp->ndmas = p_cfgp->max_rdcs;
2215 	dma_cntl_poolp->buf_allocated = B_TRUE;
2216 	nxgep->rx_cntl_pool_p = dma_cntl_poolp;
2217 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2218 
2219 	/* Allocate the receive rings, too. */
2220 	nxgep->rx_rbr_rings =
2221 	    KMEM_ZALLOC(sizeof (rx_rbr_rings_t), KM_SLEEP);
2222 	nxgep->rx_rbr_rings->rbr_rings =
2223 	    KMEM_ZALLOC(sizeof (p_rx_rbr_ring_t) * rdc_max, KM_SLEEP);
2224 	nxgep->rx_rcr_rings =
2225 	    KMEM_ZALLOC(sizeof (rx_rcr_rings_t), KM_SLEEP);
2226 	nxgep->rx_rcr_rings->rcr_rings =
2227 	    KMEM_ZALLOC(sizeof (p_rx_rcr_ring_t) * rdc_max, KM_SLEEP);
2228 	nxgep->rx_mbox_areas_p =
2229 	    KMEM_ZALLOC(sizeof (rx_mbox_areas_t), KM_SLEEP);
2230 	nxgep->rx_mbox_areas_p->rxmbox_areas =
2231 	    KMEM_ZALLOC(sizeof (p_rx_mbox_t) * rdc_max, KM_SLEEP);
2232 
2233 	nxgep->rx_rbr_rings->ndmas = nxgep->rx_rcr_rings->ndmas =
2234 	    p_cfgp->max_rdcs;
2235 
2236 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2237 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2238 
2239 nxge_alloc_rx_mem_pool_exit:
2240 	return (status);
2241 }
2242 
2243 /*
2244  * nxge_alloc_rxb
2245  *
2246  *	Allocate buffers for an RDC.
2247  *
2248  * Arguments:
2249  * 	nxgep
2250  * 	channel	The channel to map into our kernel space.
2251  *
2252  * Notes:
2253  *
2254  * NPI function calls:
2255  *
2256  * NXGE function calls:
2257  *
2258  * Registers accessed:
2259  *
2260  * Context:
2261  *
2262  * Taking apart:
2263  *
2264  * Open questions:
2265  *
2266  */
2267 nxge_status_t
2268 nxge_alloc_rxb(
2269 	p_nxge_t nxgep,
2270 	int channel)
2271 {
2272 	size_t			rx_buf_alloc_size;
2273 	nxge_status_t		status = NXGE_OK;
2274 
2275 	nxge_dma_common_t	**data;
2276 	nxge_dma_common_t	**control;
2277 	uint32_t 		*num_chunks;
2278 
2279 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2280 
2281 	/*
2282 	 * Allocate memory for the receive buffers and descriptor rings.
2283 	 * Replace these allocation functions with the interface functions
2284 	 * provided by the partition manager if/when they are available.
2285 	 */
2286 
2287 	/*
2288 	 * Allocate memory for the receive buffer blocks.
2289 	 */
2290 	rx_buf_alloc_size = (nxgep->rx_default_block_size *
2291 	    (nxgep->nxge_port_rbr_size + nxgep->nxge_port_rbr_spare_size));
2292 
2293 	data = &nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2294 	num_chunks = &nxgep->rx_buf_pool_p->num_chunks[channel];
2295 
2296 	if ((status = nxge_alloc_rx_buf_dma(
2297 	    nxgep, channel, data, rx_buf_alloc_size,
2298 	    nxgep->rx_default_block_size, num_chunks)) != NXGE_OK) {
2299 		return (status);
2300 	}
2301 
2302 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_alloc_rxb(): "
2303 	    "dma %d dma_buf_p %llx &dma_buf_p %llx", channel, *data, data));
2304 
2305 	/*
2306 	 * Allocate memory for descriptor rings and mailbox.
2307 	 */
2308 	control = &nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2309 
2310 	if ((status = nxge_alloc_rx_cntl_dma(
2311 	    nxgep, channel, control, nxgep->nxge_port_rx_cntl_alloc_size))
2312 	    != NXGE_OK) {
2313 		nxge_free_rx_cntl_dma(nxgep, *control);
2314 		(*data)->buf_alloc_state |= BUF_ALLOCATED_WAIT_FREE;
2315 		nxge_free_rx_buf_dma(nxgep, *data, *num_chunks);
2316 		return (status);
2317 	}
2318 
2319 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2320 	    "<== nxge_alloc_rx_mem_pool:status 0x%08x", status));
2321 
2322 	return (status);
2323 }
2324 
2325 void
2326 nxge_free_rxb(
2327 	p_nxge_t nxgep,
2328 	int channel)
2329 {
2330 	nxge_dma_common_t	*data;
2331 	nxge_dma_common_t	*control;
2332 	uint32_t 		num_chunks;
2333 
2334 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rbb"));
2335 
2336 	data = nxgep->rx_buf_pool_p->dma_buf_pool_p[channel];
2337 	num_chunks = nxgep->rx_buf_pool_p->num_chunks[channel];
2338 	nxge_free_rx_buf_dma(nxgep, data, num_chunks);
2339 
2340 	nxgep->rx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2341 	nxgep->rx_buf_pool_p->num_chunks[channel] = 0;
2342 
2343 	control = nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel];
2344 	nxge_free_rx_cntl_dma(nxgep, control);
2345 
2346 	nxgep->rx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2347 
2348 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2349 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2350 
2351 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_alloc_rbb"));
2352 }
2353 
2354 static void
2355 nxge_free_rx_mem_pool(p_nxge_t nxgep)
2356 {
2357 	int rdc_max = NXGE_MAX_RDCS;
2358 
2359 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_mem_pool"));
2360 
2361 	if (!nxgep->rx_buf_pool_p || !nxgep->rx_buf_pool_p->buf_allocated) {
2362 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2363 		    "<== nxge_free_rx_mem_pool "
2364 		    "(null rx buf pool or buf not allocated"));
2365 		return;
2366 	}
2367 	if (!nxgep->rx_cntl_pool_p || !nxgep->rx_cntl_pool_p->buf_allocated) {
2368 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2369 		    "<== nxge_free_rx_mem_pool "
2370 		    "(null rx cntl buf pool or cntl buf not allocated"));
2371 		return;
2372 	}
2373 
2374 	KMEM_FREE(nxgep->rx_cntl_pool_p->dma_buf_pool_p,
2375 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2376 	KMEM_FREE(nxgep->rx_cntl_pool_p, sizeof (nxge_dma_pool_t));
2377 
2378 	KMEM_FREE(nxgep->rx_buf_pool_p->num_chunks,
2379 	    sizeof (uint32_t) * rdc_max);
2380 	KMEM_FREE(nxgep->rx_buf_pool_p->dma_buf_pool_p,
2381 	    sizeof (p_nxge_dma_common_t) * rdc_max);
2382 	KMEM_FREE(nxgep->rx_buf_pool_p, sizeof (nxge_dma_pool_t));
2383 
2384 	nxgep->rx_buf_pool_p = 0;
2385 	nxgep->rx_cntl_pool_p = 0;
2386 
2387 	KMEM_FREE(nxgep->rx_rbr_rings->rbr_rings,
2388 	    sizeof (p_rx_rbr_ring_t) * rdc_max);
2389 	KMEM_FREE(nxgep->rx_rbr_rings, sizeof (rx_rbr_rings_t));
2390 	KMEM_FREE(nxgep->rx_rcr_rings->rcr_rings,
2391 	    sizeof (p_rx_rcr_ring_t) * rdc_max);
2392 	KMEM_FREE(nxgep->rx_rcr_rings, sizeof (rx_rcr_rings_t));
2393 	KMEM_FREE(nxgep->rx_mbox_areas_p->rxmbox_areas,
2394 	    sizeof (p_rx_mbox_t) * rdc_max);
2395 	KMEM_FREE(nxgep->rx_mbox_areas_p, sizeof (rx_mbox_areas_t));
2396 
2397 	nxgep->rx_rbr_rings = 0;
2398 	nxgep->rx_rcr_rings = 0;
2399 	nxgep->rx_mbox_areas_p = 0;
2400 
2401 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_rx_mem_pool"));
2402 }
2403 
2404 
2405 static nxge_status_t
2406 nxge_alloc_rx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2407 	p_nxge_dma_common_t *dmap,
2408 	size_t alloc_size, size_t block_size, uint32_t *num_chunks)
2409 {
2410 	p_nxge_dma_common_t 	rx_dmap;
2411 	nxge_status_t		status = NXGE_OK;
2412 	size_t			total_alloc_size;
2413 	size_t			allocated = 0;
2414 	int			i, size_index, array_size;
2415 	boolean_t		use_kmem_alloc = B_FALSE;
2416 
2417 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_buf_dma"));
2418 
2419 	rx_dmap = (p_nxge_dma_common_t)
2420 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2421 	    KM_SLEEP);
2422 
2423 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2424 	    " alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
2425 	    dma_channel, alloc_size, block_size, dmap));
2426 
2427 	total_alloc_size = alloc_size;
2428 
2429 #if defined(RX_USE_RECLAIM_POST)
2430 	total_alloc_size = alloc_size + alloc_size/4;
2431 #endif
2432 
2433 	i = 0;
2434 	size_index = 0;
2435 	array_size =  sizeof (alloc_sizes)/sizeof (size_t);
2436 	while ((alloc_sizes[size_index] < alloc_size) &&
2437 	    (size_index < array_size))
2438 		size_index++;
2439 	if (size_index >= array_size) {
2440 		size_index = array_size - 1;
2441 	}
2442 
2443 	/* For Neptune, use kmem_alloc if the kmem flag is set. */
2444 	if (nxgep->niu_type != N2_NIU && nxge_use_kmem_alloc) {
2445 		use_kmem_alloc = B_TRUE;
2446 #if defined(__i386) || defined(__amd64)
2447 		size_index = 0;
2448 #endif
2449 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2450 		    "==> nxge_alloc_rx_buf_dma: "
2451 		    "Neptune use kmem_alloc() - size_index %d",
2452 		    size_index));
2453 	}
2454 
2455 	while ((allocated < total_alloc_size) &&
2456 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2457 		rx_dmap[i].dma_chunk_index = i;
2458 		rx_dmap[i].block_size = block_size;
2459 		rx_dmap[i].alength = alloc_sizes[size_index];
2460 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
2461 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2462 		rx_dmap[i].dma_channel = dma_channel;
2463 		rx_dmap[i].contig_alloc_type = B_FALSE;
2464 		rx_dmap[i].kmem_alloc_type = B_FALSE;
2465 		rx_dmap[i].buf_alloc_type = DDI_MEM_ALLOC;
2466 
2467 		/*
2468 		 * N2/NIU: data buffers must be contiguous as the driver
2469 		 *	   needs to call Hypervisor api to set up
2470 		 *	   logical pages.
2471 		 */
2472 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2473 			rx_dmap[i].contig_alloc_type = B_TRUE;
2474 			rx_dmap[i].buf_alloc_type = CONTIG_MEM_ALLOC;
2475 		} else if (use_kmem_alloc) {
2476 			/* For Neptune, use kmem_alloc */
2477 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2478 			    "==> nxge_alloc_rx_buf_dma: "
2479 			    "Neptune use kmem_alloc()"));
2480 			rx_dmap[i].kmem_alloc_type = B_TRUE;
2481 			rx_dmap[i].buf_alloc_type = KMEM_ALLOC;
2482 		}
2483 
2484 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2485 		    "alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
2486 		    "i %d nblocks %d alength %d",
2487 		    dma_channel, i, &rx_dmap[i], block_size,
2488 		    i, rx_dmap[i].nblocks,
2489 		    rx_dmap[i].alength));
2490 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2491 		    &nxge_rx_dma_attr,
2492 		    rx_dmap[i].alength,
2493 		    &nxge_dev_buf_dma_acc_attr,
2494 		    DDI_DMA_READ | DDI_DMA_STREAMING,
2495 		    (p_nxge_dma_common_t)(&rx_dmap[i]));
2496 		if (status != NXGE_OK) {
2497 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2498 			    "nxge_alloc_rx_buf_dma: Alloc Failed: "
2499 			    "dma %d size_index %d size requested %d",
2500 			    dma_channel,
2501 			    size_index,
2502 			    rx_dmap[i].alength));
2503 			size_index--;
2504 		} else {
2505 			rx_dmap[i].buf_alloc_state = BUF_ALLOCATED;
2506 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2507 			    " nxge_alloc_rx_buf_dma DONE  alloc mem: "
2508 			    "dma %d dma_buf_p $%p kaddrp $%p alength %d "
2509 			    "buf_alloc_state %d alloc_type %d",
2510 			    dma_channel,
2511 			    &rx_dmap[i],
2512 			    rx_dmap[i].kaddrp,
2513 			    rx_dmap[i].alength,
2514 			    rx_dmap[i].buf_alloc_state,
2515 			    rx_dmap[i].buf_alloc_type));
2516 			NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2517 			    " alloc_rx_buf_dma allocated rdc %d "
2518 			    "chunk %d size %x dvma %x bufp %llx kaddrp $%p",
2519 			    dma_channel, i, rx_dmap[i].alength,
2520 			    rx_dmap[i].ioaddr_pp, &rx_dmap[i],
2521 			    rx_dmap[i].kaddrp));
2522 			i++;
2523 			allocated += alloc_sizes[size_index];
2524 		}
2525 	}
2526 
2527 	if (allocated < total_alloc_size) {
2528 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2529 		    "==> nxge_alloc_rx_buf_dma: not enough for channel %d "
2530 		    "allocated 0x%x requested 0x%x",
2531 		    dma_channel,
2532 		    allocated, total_alloc_size));
2533 		status = NXGE_ERROR;
2534 		goto nxge_alloc_rx_mem_fail1;
2535 	}
2536 
2537 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2538 	    "==> nxge_alloc_rx_buf_dma: Allocated for channel %d "
2539 	    "allocated 0x%x requested 0x%x",
2540 	    dma_channel,
2541 	    allocated, total_alloc_size));
2542 
2543 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2544 	    " alloc_rx_buf_dma rdc %d allocated %d chunks",
2545 	    dma_channel, i));
2546 	*num_chunks = i;
2547 	*dmap = rx_dmap;
2548 
2549 	goto nxge_alloc_rx_mem_exit;
2550 
2551 nxge_alloc_rx_mem_fail1:
2552 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2553 
2554 nxge_alloc_rx_mem_exit:
2555 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2556 	    "<== nxge_alloc_rx_buf_dma status 0x%08x", status));
2557 
2558 	return (status);
2559 }
2560 
2561 /*ARGSUSED*/
2562 static void
2563 nxge_free_rx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
2564     uint32_t num_chunks)
2565 {
2566 	int		i;
2567 
2568 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2569 	    "==> nxge_free_rx_buf_dma: # of chunks %d", num_chunks));
2570 
2571 	if (dmap == 0)
2572 		return;
2573 
2574 	for (i = 0; i < num_chunks; i++) {
2575 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2576 		    "==> nxge_free_rx_buf_dma: chunk %d dmap 0x%llx",
2577 		    i, dmap));
2578 		nxge_dma_free_rx_data_buf(dmap++);
2579 	}
2580 
2581 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_rx_buf_dma"));
2582 }
2583 
2584 /*ARGSUSED*/
2585 static nxge_status_t
2586 nxge_alloc_rx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
2587     p_nxge_dma_common_t *dmap, size_t size)
2588 {
2589 	p_nxge_dma_common_t 	rx_dmap;
2590 	nxge_status_t		status = NXGE_OK;
2591 
2592 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_rx_cntl_dma"));
2593 
2594 	rx_dmap = (p_nxge_dma_common_t)
2595 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
2596 
2597 	rx_dmap->contig_alloc_type = B_FALSE;
2598 	rx_dmap->kmem_alloc_type = B_FALSE;
2599 
2600 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2601 	    &nxge_desc_dma_attr,
2602 	    size,
2603 	    &nxge_dev_desc_dma_acc_attr,
2604 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
2605 	    rx_dmap);
2606 	if (status != NXGE_OK) {
2607 		goto nxge_alloc_rx_cntl_dma_fail1;
2608 	}
2609 
2610 	*dmap = rx_dmap;
2611 	goto nxge_alloc_rx_cntl_dma_exit;
2612 
2613 nxge_alloc_rx_cntl_dma_fail1:
2614 	KMEM_FREE(rx_dmap, sizeof (nxge_dma_common_t));
2615 
2616 nxge_alloc_rx_cntl_dma_exit:
2617 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2618 	    "<== nxge_alloc_rx_cntl_dma status 0x%08x", status));
2619 
2620 	return (status);
2621 }
2622 
2623 /*ARGSUSED*/
2624 static void
2625 nxge_free_rx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
2626 {
2627 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_rx_cntl_dma"));
2628 
2629 	if (dmap == 0)
2630 		return;
2631 
2632 	nxge_dma_mem_free(dmap);
2633 
2634 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_rx_cntl_dma"));
2635 }
2636 
2637 typedef struct {
2638 	size_t	tx_size;
2639 	size_t	cr_size;
2640 	size_t	threshhold;
2641 } nxge_tdc_sizes_t;
2642 
2643 static
2644 nxge_status_t
2645 nxge_tdc_sizes(
2646 	nxge_t *nxgep,
2647 	nxge_tdc_sizes_t *sizes)
2648 {
2649 	uint32_t threshhold;	/* The bcopy() threshhold */
2650 	size_t tx_size;		/* Transmit buffer size */
2651 	size_t cr_size;		/* Completion ring size */
2652 
2653 	/*
2654 	 * Assume that each DMA channel will be configured with the
2655 	 * default transmit buffer size for copying transmit data.
2656 	 * (If a packet is bigger than this, it will not be copied.)
2657 	 */
2658 	if (nxgep->niu_type == N2_NIU) {
2659 		threshhold = TX_BCOPY_SIZE;
2660 	} else {
2661 		threshhold = nxge_bcopy_thresh;
2662 	}
2663 	tx_size = nxge_tx_ring_size * threshhold;
2664 
2665 	cr_size = nxge_tx_ring_size * sizeof (tx_desc_t);
2666 	cr_size += sizeof (txdma_mailbox_t);
2667 
2668 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2669 	if (nxgep->niu_type == N2_NIU) {
2670 		if (!ISP2(tx_size)) {
2671 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2672 			    "==> nxge_tdc_sizes: Tx size"
2673 			    " must be power of 2"));
2674 			return (NXGE_ERROR);
2675 		}
2676 
2677 		if (tx_size > (1 << 22)) {
2678 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2679 			    "==> nxge_tdc_sizes: Tx size"
2680 			    " limited to 4M"));
2681 			return (NXGE_ERROR);
2682 		}
2683 
2684 		if (cr_size < 0x2000)
2685 			cr_size = 0x2000;
2686 	}
2687 #endif
2688 
2689 	sizes->threshhold = threshhold;
2690 	sizes->tx_size = tx_size;
2691 	sizes->cr_size = cr_size;
2692 
2693 	return (NXGE_OK);
2694 }
2695 /*
2696  * nxge_alloc_txb
2697  *
2698  *	Allocate buffers for an TDC.
2699  *
2700  * Arguments:
2701  * 	nxgep
2702  * 	channel	The channel to map into our kernel space.
2703  *
2704  * Notes:
2705  *
2706  * NPI function calls:
2707  *
2708  * NXGE function calls:
2709  *
2710  * Registers accessed:
2711  *
2712  * Context:
2713  *
2714  * Taking apart:
2715  *
2716  * Open questions:
2717  *
2718  */
2719 nxge_status_t
2720 nxge_alloc_txb(
2721 	p_nxge_t nxgep,
2722 	int channel)
2723 {
2724 	nxge_dma_common_t	**dma_buf_p;
2725 	nxge_dma_common_t	**dma_cntl_p;
2726 	uint32_t 		*num_chunks;
2727 	nxge_status_t		status = NXGE_OK;
2728 
2729 	nxge_tdc_sizes_t	sizes;
2730 
2731 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tbb"));
2732 
2733 	if (nxge_tdc_sizes(nxgep, &sizes) != NXGE_OK)
2734 		return (NXGE_ERROR);
2735 
2736 	/*
2737 	 * Allocate memory for transmit buffers and descriptor rings.
2738 	 * Replace these allocation functions with the interface functions
2739 	 * provided by the partition manager Real Soon Now.
2740 	 */
2741 	dma_buf_p = &nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2742 	num_chunks = &nxgep->tx_buf_pool_p->num_chunks[channel];
2743 
2744 	dma_cntl_p = &nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2745 
2746 	/*
2747 	 * Allocate memory for transmit buffers and descriptor rings.
2748 	 * Replace allocation functions with interface functions provided
2749 	 * by the partition manager when it is available.
2750 	 *
2751 	 * Allocate memory for the transmit buffer pool.
2752 	 */
2753 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2754 	    "sizes: tx: %ld, cr:%ld, th:%ld",
2755 	    sizes.tx_size, sizes.cr_size, sizes.threshhold));
2756 
2757 	*num_chunks = 0;
2758 	status = nxge_alloc_tx_buf_dma(nxgep, channel, dma_buf_p,
2759 	    sizes.tx_size, sizes.threshhold, num_chunks);
2760 	if (status != NXGE_OK) {
2761 		cmn_err(CE_NOTE, "nxge_alloc_tx_buf_dma failed!");
2762 		return (status);
2763 	}
2764 
2765 	/*
2766 	 * Allocate memory for descriptor rings and mailbox.
2767 	 */
2768 	status = nxge_alloc_tx_cntl_dma(nxgep, channel, dma_cntl_p,
2769 	    sizes.cr_size);
2770 	if (status != NXGE_OK) {
2771 		nxge_free_tx_buf_dma(nxgep, *dma_buf_p, *num_chunks);
2772 		cmn_err(CE_NOTE, "nxge_alloc_tx_cntl_dma failed!");
2773 		return (status);
2774 	}
2775 
2776 	return (NXGE_OK);
2777 }
2778 
2779 void
2780 nxge_free_txb(
2781 	p_nxge_t nxgep,
2782 	int channel)
2783 {
2784 	nxge_dma_common_t	*data;
2785 	nxge_dma_common_t	*control;
2786 	uint32_t 		num_chunks;
2787 
2788 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_txb"));
2789 
2790 	data = nxgep->tx_buf_pool_p->dma_buf_pool_p[channel];
2791 	num_chunks = nxgep->tx_buf_pool_p->num_chunks[channel];
2792 	nxge_free_tx_buf_dma(nxgep, data, num_chunks);
2793 
2794 	nxgep->tx_buf_pool_p->dma_buf_pool_p[channel] = 0;
2795 	nxgep->tx_buf_pool_p->num_chunks[channel] = 0;
2796 
2797 	control = nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel];
2798 	nxge_free_tx_cntl_dma(nxgep, control);
2799 
2800 	nxgep->tx_cntl_pool_p->dma_buf_pool_p[channel] = 0;
2801 
2802 	KMEM_FREE(data, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2803 	KMEM_FREE(control, sizeof (nxge_dma_common_t));
2804 
2805 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_txb"));
2806 }
2807 
2808 /*
2809  * nxge_alloc_tx_mem_pool
2810  *
2811  *	This function allocates all of the per-port TDC control data structures.
2812  *	The per-channel (TDC) data structures are allocated when needed.
2813  *
2814  * Arguments:
2815  * 	nxgep
2816  *
2817  * Notes:
2818  *
2819  * Context:
2820  *	Any domain
2821  */
2822 nxge_status_t
2823 nxge_alloc_tx_mem_pool(p_nxge_t nxgep)
2824 {
2825 	nxge_hw_pt_cfg_t	*p_cfgp;
2826 	nxge_dma_pool_t		*dma_poolp;
2827 	nxge_dma_common_t	**dma_buf_p;
2828 	nxge_dma_pool_t		*dma_cntl_poolp;
2829 	nxge_dma_common_t	**dma_cntl_p;
2830 	uint32_t		*num_chunks; /* per dma */
2831 	int			tdc_max;
2832 
2833 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_alloc_tx_mem_pool"));
2834 
2835 	p_cfgp = &nxgep->pt_config.hw_config;
2836 	tdc_max = NXGE_MAX_TDCS;
2837 
2838 	/*
2839 	 * Allocate memory for each transmit DMA channel.
2840 	 */
2841 	dma_poolp = (p_nxge_dma_pool_t)KMEM_ZALLOC(sizeof (nxge_dma_pool_t),
2842 	    KM_SLEEP);
2843 	dma_buf_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2844 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2845 
2846 	dma_cntl_poolp = (p_nxge_dma_pool_t)
2847 	    KMEM_ZALLOC(sizeof (nxge_dma_pool_t), KM_SLEEP);
2848 	dma_cntl_p = (p_nxge_dma_common_t *)KMEM_ZALLOC(
2849 	    sizeof (p_nxge_dma_common_t) * tdc_max, KM_SLEEP);
2850 
2851 	if (nxge_tx_ring_size > TDC_DEFAULT_MAX) {
2852 		NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2853 		    "nxge_alloc_tx_mem_pool: TDC too high %d, "
2854 		    "set to default %d",
2855 		    nxge_tx_ring_size, TDC_DEFAULT_MAX));
2856 		nxge_tx_ring_size = TDC_DEFAULT_MAX;
2857 	}
2858 
2859 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
2860 	/*
2861 	 * N2/NIU has limitation on the descriptor sizes (contiguous
2862 	 * memory allocation on data buffers to 4M (contig_mem_alloc)
2863 	 * and little endian for control buffers (must use the ddi/dki mem alloc
2864 	 * function). The transmit ring is limited to 8K (includes the
2865 	 * mailbox).
2866 	 */
2867 	if (nxgep->niu_type == N2_NIU) {
2868 		if ((nxge_tx_ring_size > NXGE_NIU_CONTIG_TX_MAX) ||
2869 		    (!ISP2(nxge_tx_ring_size))) {
2870 			nxge_tx_ring_size = NXGE_NIU_CONTIG_TX_MAX;
2871 		}
2872 	}
2873 #endif
2874 
2875 	nxgep->nxge_port_tx_ring_size = nxge_tx_ring_size;
2876 
2877 	num_chunks = (uint32_t *)KMEM_ZALLOC(
2878 	    sizeof (uint32_t) * tdc_max, KM_SLEEP);
2879 
2880 	dma_poolp->ndmas = p_cfgp->tdc.owned;
2881 	dma_poolp->num_chunks = num_chunks;
2882 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2883 	nxgep->tx_buf_pool_p = dma_poolp;
2884 
2885 	dma_poolp->buf_allocated = B_TRUE;
2886 
2887 	dma_cntl_poolp->ndmas = p_cfgp->tdc.owned;
2888 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2889 	nxgep->tx_cntl_pool_p = dma_cntl_poolp;
2890 
2891 	dma_cntl_poolp->buf_allocated = B_TRUE;
2892 
2893 	nxgep->tx_rings =
2894 	    KMEM_ZALLOC(sizeof (tx_rings_t), KM_SLEEP);
2895 	nxgep->tx_rings->rings =
2896 	    KMEM_ZALLOC(sizeof (p_tx_ring_t) * tdc_max, KM_SLEEP);
2897 	nxgep->tx_mbox_areas_p =
2898 	    KMEM_ZALLOC(sizeof (tx_mbox_areas_t), KM_SLEEP);
2899 	nxgep->tx_mbox_areas_p->txmbox_areas_p =
2900 	    KMEM_ZALLOC(sizeof (p_tx_mbox_t) * tdc_max, KM_SLEEP);
2901 
2902 	nxgep->tx_rings->ndmas = p_cfgp->tdc.owned;
2903 
2904 	NXGE_DEBUG_MSG((nxgep, MEM_CTL,
2905 	    "==> nxge_alloc_tx_mem_pool: ndmas %d poolp->ndmas %d",
2906 	    tdc_max, dma_poolp->ndmas));
2907 
2908 	return (NXGE_OK);
2909 }
2910 
2911 nxge_status_t
2912 nxge_alloc_tx_buf_dma(p_nxge_t nxgep, uint16_t dma_channel,
2913     p_nxge_dma_common_t *dmap, size_t alloc_size,
2914     size_t block_size, uint32_t *num_chunks)
2915 {
2916 	p_nxge_dma_common_t 	tx_dmap;
2917 	nxge_status_t		status = NXGE_OK;
2918 	size_t			total_alloc_size;
2919 	size_t			allocated = 0;
2920 	int			i, size_index, array_size;
2921 
2922 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_buf_dma"));
2923 
2924 	tx_dmap = (p_nxge_dma_common_t)
2925 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK,
2926 	    KM_SLEEP);
2927 
2928 	total_alloc_size = alloc_size;
2929 	i = 0;
2930 	size_index = 0;
2931 	array_size =  sizeof (alloc_sizes) /  sizeof (size_t);
2932 	while ((alloc_sizes[size_index] < alloc_size) &&
2933 	    (size_index < array_size))
2934 		size_index++;
2935 	if (size_index >= array_size) {
2936 		size_index = array_size - 1;
2937 	}
2938 
2939 	while ((allocated < total_alloc_size) &&
2940 	    (size_index >= 0) && (i < NXGE_DMA_BLOCK)) {
2941 
2942 		tx_dmap[i].dma_chunk_index = i;
2943 		tx_dmap[i].block_size = block_size;
2944 		tx_dmap[i].alength = alloc_sizes[size_index];
2945 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
2946 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2947 		tx_dmap[i].dma_channel = dma_channel;
2948 		tx_dmap[i].contig_alloc_type = B_FALSE;
2949 		tx_dmap[i].kmem_alloc_type = B_FALSE;
2950 
2951 		/*
2952 		 * N2/NIU: data buffers must be contiguous as the driver
2953 		 *	   needs to call Hypervisor api to set up
2954 		 *	   logical pages.
2955 		 */
2956 		if ((nxgep->niu_type == N2_NIU) && (NXGE_DMA_BLOCK == 1)) {
2957 			tx_dmap[i].contig_alloc_type = B_TRUE;
2958 		}
2959 
2960 		status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
2961 		    &nxge_tx_dma_attr,
2962 		    tx_dmap[i].alength,
2963 		    &nxge_dev_buf_dma_acc_attr,
2964 		    DDI_DMA_WRITE | DDI_DMA_STREAMING,
2965 		    (p_nxge_dma_common_t)(&tx_dmap[i]));
2966 		if (status != NXGE_OK) {
2967 			size_index--;
2968 		} else {
2969 			i++;
2970 			allocated += alloc_sizes[size_index];
2971 		}
2972 	}
2973 
2974 	if (allocated < total_alloc_size) {
2975 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
2976 		    "==> nxge_alloc_tx_buf_dma: not enough channel %d: "
2977 		    "allocated 0x%x requested 0x%x",
2978 		    dma_channel,
2979 		    allocated, total_alloc_size));
2980 		status = NXGE_ERROR;
2981 		goto nxge_alloc_tx_mem_fail1;
2982 	}
2983 
2984 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
2985 	    "==> nxge_alloc_tx_buf_dma: Allocated for channel %d: "
2986 	    "allocated 0x%x requested 0x%x",
2987 	    dma_channel,
2988 	    allocated, total_alloc_size));
2989 
2990 	*num_chunks = i;
2991 	*dmap = tx_dmap;
2992 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
2993 	    "==> nxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
2994 	    *dmap, i));
2995 	goto nxge_alloc_tx_mem_exit;
2996 
2997 nxge_alloc_tx_mem_fail1:
2998 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t) * NXGE_DMA_BLOCK);
2999 
3000 nxge_alloc_tx_mem_exit:
3001 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3002 	    "<== nxge_alloc_tx_buf_dma status 0x%08x", status));
3003 
3004 	return (status);
3005 }
3006 
3007 /*ARGSUSED*/
3008 static void
3009 nxge_free_tx_buf_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap,
3010     uint32_t num_chunks)
3011 {
3012 	int		i;
3013 
3014 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "==> nxge_free_tx_buf_dma"));
3015 
3016 	if (dmap == 0)
3017 		return;
3018 
3019 	for (i = 0; i < num_chunks; i++) {
3020 		nxge_dma_mem_free(dmap++);
3021 	}
3022 
3023 	NXGE_DEBUG_MSG((nxgep, MEM_CTL, "<== nxge_free_tx_buf_dma"));
3024 }
3025 
3026 /*ARGSUSED*/
3027 nxge_status_t
3028 nxge_alloc_tx_cntl_dma(p_nxge_t nxgep, uint16_t dma_channel,
3029     p_nxge_dma_common_t *dmap, size_t size)
3030 {
3031 	p_nxge_dma_common_t 	tx_dmap;
3032 	nxge_status_t		status = NXGE_OK;
3033 
3034 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_alloc_tx_cntl_dma"));
3035 	tx_dmap = (p_nxge_dma_common_t)
3036 	    KMEM_ZALLOC(sizeof (nxge_dma_common_t), KM_SLEEP);
3037 
3038 	tx_dmap->contig_alloc_type = B_FALSE;
3039 	tx_dmap->kmem_alloc_type = B_FALSE;
3040 
3041 	status = nxge_dma_mem_alloc(nxgep, nxge_force_dma,
3042 	    &nxge_desc_dma_attr,
3043 	    size,
3044 	    &nxge_dev_desc_dma_acc_attr,
3045 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT,
3046 	    tx_dmap);
3047 	if (status != NXGE_OK) {
3048 		goto nxge_alloc_tx_cntl_dma_fail1;
3049 	}
3050 
3051 	*dmap = tx_dmap;
3052 	goto nxge_alloc_tx_cntl_dma_exit;
3053 
3054 nxge_alloc_tx_cntl_dma_fail1:
3055 	KMEM_FREE(tx_dmap, sizeof (nxge_dma_common_t));
3056 
3057 nxge_alloc_tx_cntl_dma_exit:
3058 	NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3059 	    "<== nxge_alloc_tx_cntl_dma status 0x%08x", status));
3060 
3061 	return (status);
3062 }
3063 
3064 /*ARGSUSED*/
3065 static void
3066 nxge_free_tx_cntl_dma(p_nxge_t nxgep, p_nxge_dma_common_t dmap)
3067 {
3068 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "==> nxge_free_tx_cntl_dma"));
3069 
3070 	if (dmap == 0)
3071 		return;
3072 
3073 	nxge_dma_mem_free(dmap);
3074 
3075 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_free_tx_cntl_dma"));
3076 }
3077 
3078 /*
3079  * nxge_free_tx_mem_pool
3080  *
3081  *	This function frees all of the per-port TDC control data structures.
3082  *	The per-channel (TDC) data structures are freed when the channel
3083  *	is stopped.
3084  *
3085  * Arguments:
3086  * 	nxgep
3087  *
3088  * Notes:
3089  *
3090  * Context:
3091  *	Any domain
3092  */
3093 static void
3094 nxge_free_tx_mem_pool(p_nxge_t nxgep)
3095 {
3096 	int tdc_max = NXGE_MAX_TDCS;
3097 
3098 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "==> nxge_free_tx_mem_pool"));
3099 
3100 	if (!nxgep->tx_buf_pool_p || !nxgep->tx_buf_pool_p->buf_allocated) {
3101 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3102 		    "<== nxge_free_tx_mem_pool "
3103 		    "(null tx buf pool or buf not allocated"));
3104 		return;
3105 	}
3106 	if (!nxgep->tx_cntl_pool_p || !nxgep->tx_cntl_pool_p->buf_allocated) {
3107 		NXGE_DEBUG_MSG((nxgep, MEM2_CTL,
3108 		    "<== nxge_free_tx_mem_pool "
3109 		    "(null tx cntl buf pool or cntl buf not allocated"));
3110 		return;
3111 	}
3112 
3113 	/* 1. Free the mailboxes. */
3114 	KMEM_FREE(nxgep->tx_mbox_areas_p->txmbox_areas_p,
3115 	    sizeof (p_tx_mbox_t) * tdc_max);
3116 	KMEM_FREE(nxgep->tx_mbox_areas_p, sizeof (tx_mbox_areas_t));
3117 
3118 	nxgep->tx_mbox_areas_p = 0;
3119 
3120 	/* 2. Free the transmit ring arrays. */
3121 	KMEM_FREE(nxgep->tx_rings->rings,
3122 	    sizeof (p_tx_ring_t) * tdc_max);
3123 	KMEM_FREE(nxgep->tx_rings, sizeof (tx_rings_t));
3124 
3125 	nxgep->tx_rings = 0;
3126 
3127 	/* 3. Free the completion ring data structures. */
3128 	KMEM_FREE(nxgep->tx_cntl_pool_p->dma_buf_pool_p,
3129 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3130 	KMEM_FREE(nxgep->tx_cntl_pool_p, sizeof (nxge_dma_pool_t));
3131 
3132 	nxgep->tx_cntl_pool_p = 0;
3133 
3134 	/* 4. Free the data ring data structures. */
3135 	KMEM_FREE(nxgep->tx_buf_pool_p->num_chunks,
3136 	    sizeof (uint32_t) * tdc_max);
3137 	KMEM_FREE(nxgep->tx_buf_pool_p->dma_buf_pool_p,
3138 	    sizeof (p_nxge_dma_common_t) * tdc_max);
3139 	KMEM_FREE(nxgep->tx_buf_pool_p, sizeof (nxge_dma_pool_t));
3140 
3141 	nxgep->tx_buf_pool_p = 0;
3142 
3143 	NXGE_DEBUG_MSG((nxgep, MEM2_CTL, "<== nxge_free_tx_mem_pool"));
3144 }
3145 
3146 /*ARGSUSED*/
3147 static nxge_status_t
3148 nxge_dma_mem_alloc(p_nxge_t nxgep, dma_method_t method,
3149 	struct ddi_dma_attr *dma_attrp,
3150 	size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
3151 	p_nxge_dma_common_t dma_p)
3152 {
3153 	caddr_t 		kaddrp;
3154 	int			ddi_status = DDI_SUCCESS;
3155 	boolean_t		contig_alloc_type;
3156 	boolean_t		kmem_alloc_type;
3157 
3158 	contig_alloc_type = dma_p->contig_alloc_type;
3159 
3160 	if (contig_alloc_type && (nxgep->niu_type != N2_NIU)) {
3161 		/*
3162 		 * contig_alloc_type for contiguous memory only allowed
3163 		 * for N2/NIU.
3164 		 */
3165 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3166 		    "nxge_dma_mem_alloc: alloc type not allowed (%d)",
3167 		    dma_p->contig_alloc_type));
3168 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3169 	}
3170 
3171 	dma_p->dma_handle = NULL;
3172 	dma_p->acc_handle = NULL;
3173 	dma_p->kaddrp = dma_p->last_kaddrp = NULL;
3174 	dma_p->first_ioaddr_pp = dma_p->last_ioaddr_pp = NULL;
3175 	ddi_status = ddi_dma_alloc_handle(nxgep->dip, dma_attrp,
3176 	    DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
3177 	if (ddi_status != DDI_SUCCESS) {
3178 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3179 		    "nxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
3180 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3181 	}
3182 
3183 	kmem_alloc_type = dma_p->kmem_alloc_type;
3184 
3185 	switch (contig_alloc_type) {
3186 	case B_FALSE:
3187 		switch (kmem_alloc_type) {
3188 		case B_FALSE:
3189 			ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle,
3190 			    length,
3191 			    acc_attr_p,
3192 			    xfer_flags,
3193 			    DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
3194 			    &dma_p->acc_handle);
3195 			if (ddi_status != DDI_SUCCESS) {
3196 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3197 				    "nxge_dma_mem_alloc: "
3198 				    "ddi_dma_mem_alloc failed"));
3199 				ddi_dma_free_handle(&dma_p->dma_handle);
3200 				dma_p->dma_handle = NULL;
3201 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3202 			}
3203 			if (dma_p->alength < length) {
3204 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3205 				    "nxge_dma_mem_alloc:di_dma_mem_alloc "
3206 				    "< length."));
3207 				ddi_dma_mem_free(&dma_p->acc_handle);
3208 				ddi_dma_free_handle(&dma_p->dma_handle);
3209 				dma_p->acc_handle = NULL;
3210 				dma_p->dma_handle = NULL;
3211 				return (NXGE_ERROR);
3212 			}
3213 
3214 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3215 			    NULL,
3216 			    kaddrp, dma_p->alength, xfer_flags,
3217 			    DDI_DMA_DONTWAIT,
3218 			    0, &dma_p->dma_cookie, &dma_p->ncookies);
3219 			if (ddi_status != DDI_DMA_MAPPED) {
3220 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3221 				    "nxge_dma_mem_alloc: ddi_dma_addr_bind "
3222 				    "failed "
3223 				    "(staus 0x%x ncookies %d.)", ddi_status,
3224 				    dma_p->ncookies));
3225 				if (dma_p->acc_handle) {
3226 					ddi_dma_mem_free(&dma_p->acc_handle);
3227 					dma_p->acc_handle = NULL;
3228 				}
3229 				ddi_dma_free_handle(&dma_p->dma_handle);
3230 				dma_p->dma_handle = NULL;
3231 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3232 			}
3233 
3234 			if (dma_p->ncookies != 1) {
3235 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3236 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3237 				    "> 1 cookie"
3238 				    "(staus 0x%x ncookies %d.)", ddi_status,
3239 				    dma_p->ncookies));
3240 				if (dma_p->acc_handle) {
3241 					ddi_dma_mem_free(&dma_p->acc_handle);
3242 					dma_p->acc_handle = NULL;
3243 				}
3244 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3245 				ddi_dma_free_handle(&dma_p->dma_handle);
3246 				dma_p->dma_handle = NULL;
3247 				return (NXGE_ERROR);
3248 			}
3249 			break;
3250 
3251 		case B_TRUE:
3252 			kaddrp = KMEM_ALLOC(length, KM_NOSLEEP);
3253 			if (kaddrp == NULL) {
3254 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3255 				    "nxge_dma_mem_alloc:ddi_dma_mem_alloc "
3256 				    "kmem alloc failed"));
3257 				return (NXGE_ERROR);
3258 			}
3259 
3260 			dma_p->alength = length;
3261 			ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle,
3262 			    NULL, kaddrp, dma_p->alength, xfer_flags,
3263 			    DDI_DMA_DONTWAIT, 0,
3264 			    &dma_p->dma_cookie, &dma_p->ncookies);
3265 			if (ddi_status != DDI_DMA_MAPPED) {
3266 				NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3267 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind: "
3268 				    "(kmem_alloc) failed kaddrp $%p length %d "
3269 				    "(staus 0x%x (%d) ncookies %d.)",
3270 				    kaddrp, length,
3271 				    ddi_status, ddi_status, dma_p->ncookies));
3272 				KMEM_FREE(kaddrp, length);
3273 				dma_p->acc_handle = NULL;
3274 				ddi_dma_free_handle(&dma_p->dma_handle);
3275 				dma_p->dma_handle = NULL;
3276 				dma_p->kaddrp = NULL;
3277 				return (NXGE_ERROR | NXGE_DDI_FAILED);
3278 			}
3279 
3280 			if (dma_p->ncookies != 1) {
3281 				NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3282 				    "nxge_dma_mem_alloc:ddi_dma_addr_bind "
3283 				    "(kmem_alloc) > 1 cookie"
3284 				    "(staus 0x%x ncookies %d.)", ddi_status,
3285 				    dma_p->ncookies));
3286 				KMEM_FREE(kaddrp, length);
3287 				dma_p->acc_handle = NULL;
3288 				(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3289 				ddi_dma_free_handle(&dma_p->dma_handle);
3290 				dma_p->dma_handle = NULL;
3291 				dma_p->kaddrp = NULL;
3292 				return (NXGE_ERROR);
3293 			}
3294 
3295 			dma_p->kaddrp = kaddrp;
3296 
3297 			NXGE_DEBUG_MSG((nxgep, NXGE_ERR_CTL,
3298 			    "nxge_dma_mem_alloc: kmem_alloc dmap $%p "
3299 			    "kaddr $%p alength %d",
3300 			    dma_p,
3301 			    kaddrp,
3302 			    dma_p->alength));
3303 			break;
3304 		}
3305 		break;
3306 
3307 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3308 	case B_TRUE:
3309 		kaddrp = (caddr_t)contig_mem_alloc(length);
3310 		if (kaddrp == NULL) {
3311 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3312 			    "nxge_dma_mem_alloc:contig_mem_alloc failed."));
3313 			ddi_dma_free_handle(&dma_p->dma_handle);
3314 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3315 		}
3316 
3317 		dma_p->alength = length;
3318 		ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
3319 		    kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
3320 		    &dma_p->dma_cookie, &dma_p->ncookies);
3321 		if (ddi_status != DDI_DMA_MAPPED) {
3322 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3323 			    "nxge_dma_mem_alloc:di_dma_addr_bind failed "
3324 			    "(status 0x%x ncookies %d.)", ddi_status,
3325 			    dma_p->ncookies));
3326 
3327 			NXGE_DEBUG_MSG((nxgep, DMA_CTL,
3328 			    "==> nxge_dma_mem_alloc: (not mapped)"
3329 			    "length %lu (0x%x) "
3330 			    "free contig kaddrp $%p "
3331 			    "va_to_pa $%p",
3332 			    length, length,
3333 			    kaddrp,
3334 			    va_to_pa(kaddrp)));
3335 
3336 
3337 			contig_mem_free((void *)kaddrp, length);
3338 			ddi_dma_free_handle(&dma_p->dma_handle);
3339 
3340 			dma_p->dma_handle = NULL;
3341 			dma_p->acc_handle = NULL;
3342 			dma_p->alength = NULL;
3343 			dma_p->kaddrp = NULL;
3344 
3345 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3346 		}
3347 
3348 		if (dma_p->ncookies != 1 ||
3349 		    (dma_p->dma_cookie.dmac_laddress == NULL)) {
3350 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3351 			    "nxge_dma_mem_alloc:di_dma_addr_bind > 1 "
3352 			    "cookie or "
3353 			    "dmac_laddress is NULL $%p size %d "
3354 			    " (status 0x%x ncookies %d.)",
3355 			    ddi_status,
3356 			    dma_p->dma_cookie.dmac_laddress,
3357 			    dma_p->dma_cookie.dmac_size,
3358 			    dma_p->ncookies));
3359 
3360 			contig_mem_free((void *)kaddrp, length);
3361 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3362 			ddi_dma_free_handle(&dma_p->dma_handle);
3363 
3364 			dma_p->alength = 0;
3365 			dma_p->dma_handle = NULL;
3366 			dma_p->acc_handle = NULL;
3367 			dma_p->kaddrp = NULL;
3368 
3369 			return (NXGE_ERROR | NXGE_DDI_FAILED);
3370 		}
3371 		break;
3372 
3373 #else
3374 	case B_TRUE:
3375 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3376 		    "nxge_dma_mem_alloc: invalid alloc type for !sun4v"));
3377 		return (NXGE_ERROR | NXGE_DDI_FAILED);
3378 #endif
3379 	}
3380 
3381 	dma_p->kaddrp = kaddrp;
3382 	dma_p->last_kaddrp = (unsigned char *)kaddrp +
3383 	    dma_p->alength - RXBUF_64B_ALIGNED;
3384 #if defined(__i386)
3385 	dma_p->ioaddr_pp =
3386 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress;
3387 #else
3388 	dma_p->ioaddr_pp = (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3389 #endif
3390 	dma_p->last_ioaddr_pp =
3391 #if defined(__i386)
3392 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress +
3393 #else
3394 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress +
3395 #endif
3396 	    dma_p->alength - RXBUF_64B_ALIGNED;
3397 
3398 	NPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
3399 
3400 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3401 	dma_p->orig_ioaddr_pp =
3402 	    (unsigned char *)dma_p->dma_cookie.dmac_laddress;
3403 	dma_p->orig_alength = length;
3404 	dma_p->orig_kaddrp = kaddrp;
3405 	dma_p->orig_vatopa = (uint64_t)va_to_pa(kaddrp);
3406 #endif
3407 
3408 	NXGE_DEBUG_MSG((nxgep, DMA_CTL, "<== nxge_dma_mem_alloc: "
3409 	    "dma buffer allocated: dma_p $%p "
3410 	    "return dmac_ladress from cookie $%p cookie dmac_size %d "
3411 	    "dma_p->ioaddr_p $%p "
3412 	    "dma_p->orig_ioaddr_p $%p "
3413 	    "orig_vatopa $%p "
3414 	    "alength %d (0x%x) "
3415 	    "kaddrp $%p "
3416 	    "length %d (0x%x)",
3417 	    dma_p,
3418 	    dma_p->dma_cookie.dmac_laddress, dma_p->dma_cookie.dmac_size,
3419 	    dma_p->ioaddr_pp,
3420 	    dma_p->orig_ioaddr_pp,
3421 	    dma_p->orig_vatopa,
3422 	    dma_p->alength, dma_p->alength,
3423 	    kaddrp,
3424 	    length, length));
3425 
3426 	return (NXGE_OK);
3427 }
3428 
3429 static void
3430 nxge_dma_mem_free(p_nxge_dma_common_t dma_p)
3431 {
3432 	if (dma_p->dma_handle != NULL) {
3433 		if (dma_p->ncookies) {
3434 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3435 			dma_p->ncookies = 0;
3436 		}
3437 		ddi_dma_free_handle(&dma_p->dma_handle);
3438 		dma_p->dma_handle = NULL;
3439 	}
3440 
3441 	if (dma_p->acc_handle != NULL) {
3442 		ddi_dma_mem_free(&dma_p->acc_handle);
3443 		dma_p->acc_handle = NULL;
3444 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3445 	}
3446 
3447 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3448 	if (dma_p->contig_alloc_type &&
3449 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3450 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_mem_free: "
3451 		    "kaddrp $%p (orig_kaddrp $%p)"
3452 		    "mem type %d ",
3453 		    "orig_alength %d "
3454 		    "alength 0x%x (%d)",
3455 		    dma_p->kaddrp,
3456 		    dma_p->orig_kaddrp,
3457 		    dma_p->contig_alloc_type,
3458 		    dma_p->orig_alength,
3459 		    dma_p->alength, dma_p->alength));
3460 
3461 		contig_mem_free(dma_p->orig_kaddrp, dma_p->orig_alength);
3462 		dma_p->orig_alength = NULL;
3463 		dma_p->orig_kaddrp = NULL;
3464 		dma_p->contig_alloc_type = B_FALSE;
3465 	}
3466 #endif
3467 	dma_p->kaddrp = NULL;
3468 	dma_p->alength = NULL;
3469 }
3470 
3471 static void
3472 nxge_dma_free_rx_data_buf(p_nxge_dma_common_t dma_p)
3473 {
3474 	uint64_t kaddr;
3475 	uint32_t buf_size;
3476 
3477 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "==> nxge_dma_free_rx_data_buf"));
3478 
3479 	if (dma_p->dma_handle != NULL) {
3480 		if (dma_p->ncookies) {
3481 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
3482 			dma_p->ncookies = 0;
3483 		}
3484 		ddi_dma_free_handle(&dma_p->dma_handle);
3485 		dma_p->dma_handle = NULL;
3486 	}
3487 
3488 	if (dma_p->acc_handle != NULL) {
3489 		ddi_dma_mem_free(&dma_p->acc_handle);
3490 		dma_p->acc_handle = NULL;
3491 		NPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
3492 	}
3493 
3494 	NXGE_DEBUG_MSG((NULL, DMA_CTL,
3495 	    "==> nxge_dma_free_rx_data_buf: dmap $%p buf_alloc_state %d",
3496 	    dma_p,
3497 	    dma_p->buf_alloc_state));
3498 
3499 	if (!(dma_p->buf_alloc_state & BUF_ALLOCATED_WAIT_FREE)) {
3500 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3501 		    "<== nxge_dma_free_rx_data_buf: "
3502 		    "outstanding data buffers"));
3503 		return;
3504 	}
3505 
3506 #if	defined(sun4v) && defined(NIU_LP_WORKAROUND)
3507 	if (dma_p->contig_alloc_type &&
3508 	    dma_p->orig_kaddrp && dma_p->orig_alength) {
3509 		NXGE_DEBUG_MSG((NULL, DMA_CTL, "nxge_dma_free_rx_data_buf: "
3510 		    "kaddrp $%p (orig_kaddrp $%p)"
3511 		    "mem type %d ",
3512 		    "orig_alength %d "
3513 		    "alength 0x%x (%d)",
3514 		    dma_p->kaddrp,
3515 		    dma_p->orig_kaddrp,
3516 		    dma_p->contig_alloc_type,
3517 		    dma_p->orig_alength,
3518 		    dma_p->alength, dma_p->alength));
3519 
3520 		kaddr = (uint64_t)dma_p->orig_kaddrp;
3521 		buf_size = dma_p->orig_alength;
3522 		nxge_free_buf(CONTIG_MEM_ALLOC, kaddr, buf_size);
3523 		dma_p->orig_alength = NULL;
3524 		dma_p->orig_kaddrp = NULL;
3525 		dma_p->contig_alloc_type = B_FALSE;
3526 		dma_p->kaddrp = NULL;
3527 		dma_p->alength = NULL;
3528 		return;
3529 	}
3530 #endif
3531 
3532 	if (dma_p->kmem_alloc_type) {
3533 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3534 		    "nxge_dma_free_rx_data_buf: free kmem "
3535 		    "kaddrp $%p (orig_kaddrp $%p)"
3536 		    "alloc type %d "
3537 		    "orig_alength %d "
3538 		    "alength 0x%x (%d)",
3539 		    dma_p->kaddrp,
3540 		    dma_p->orig_kaddrp,
3541 		    dma_p->kmem_alloc_type,
3542 		    dma_p->orig_alength,
3543 		    dma_p->alength, dma_p->alength));
3544 #if defined(__i386)
3545 		kaddr = (uint64_t)(uint32_t)dma_p->kaddrp;
3546 #else
3547 		kaddr = (uint64_t)dma_p->kaddrp;
3548 #endif
3549 		buf_size = dma_p->orig_alength;
3550 		NXGE_DEBUG_MSG((NULL, DMA_CTL,
3551 		    "nxge_dma_free_rx_data_buf: free dmap $%p "
3552 		    "kaddr $%p buf_size %d",
3553 		    dma_p,
3554 		    kaddr, buf_size));
3555 		nxge_free_buf(KMEM_ALLOC, kaddr, buf_size);
3556 		dma_p->alength = 0;
3557 		dma_p->orig_alength = 0;
3558 		dma_p->kaddrp = NULL;
3559 		dma_p->kmem_alloc_type = B_FALSE;
3560 	}
3561 
3562 	NXGE_DEBUG_MSG((NULL, DMA_CTL, "<== nxge_dma_free_rx_data_buf"));
3563 }
3564 
3565 /*
3566  *	nxge_m_start() -- start transmitting and receiving.
3567  *
3568  *	This function is called by the MAC layer when the first
3569  *	stream is open to prepare the hardware ready for sending
3570  *	and transmitting packets.
3571  */
3572 static int
3573 nxge_m_start(void *arg)
3574 {
3575 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3576 
3577 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_start"));
3578 
3579 	MUTEX_ENTER(nxgep->genlock);
3580 	if (nxge_init(nxgep) != NXGE_OK) {
3581 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3582 		    "<== nxge_m_start: initialization failed"));
3583 		MUTEX_EXIT(nxgep->genlock);
3584 		return (EIO);
3585 	}
3586 
3587 	if (nxgep->nxge_mac_state == NXGE_MAC_STARTED)
3588 		goto nxge_m_start_exit;
3589 	/*
3590 	 * Start timer to check the system error and tx hangs
3591 	 */
3592 	if (!isLDOMguest(nxgep))
3593 		nxgep->nxge_timerid = nxge_start_timer(nxgep,
3594 		    nxge_check_hw_state, NXGE_CHECK_TIMER);
3595 #if	defined(sun4v)
3596 	else
3597 		nxge_hio_start_timer(nxgep);
3598 #endif
3599 
3600 	nxgep->link_notify = B_TRUE;
3601 
3602 	nxgep->nxge_mac_state = NXGE_MAC_STARTED;
3603 
3604 nxge_m_start_exit:
3605 	MUTEX_EXIT(nxgep->genlock);
3606 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_start"));
3607 	return (0);
3608 }
3609 
3610 /*
3611  *	nxge_m_stop(): stop transmitting and receiving.
3612  */
3613 static void
3614 nxge_m_stop(void *arg)
3615 {
3616 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3617 
3618 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_stop"));
3619 
3620 	if (nxgep->nxge_timerid) {
3621 		nxge_stop_timer(nxgep, nxgep->nxge_timerid);
3622 		nxgep->nxge_timerid = 0;
3623 	}
3624 
3625 	MUTEX_ENTER(nxgep->genlock);
3626 	nxgep->nxge_mac_state = NXGE_MAC_STOPPING;
3627 	nxge_uninit(nxgep);
3628 
3629 	nxgep->nxge_mac_state = NXGE_MAC_STOPPED;
3630 
3631 	MUTEX_EXIT(nxgep->genlock);
3632 
3633 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_stop"));
3634 }
3635 
3636 static int
3637 nxge_m_unicst(void *arg, const uint8_t *macaddr)
3638 {
3639 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3640 	struct 		ether_addr addrp;
3641 
3642 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "==> nxge_m_unicst"));
3643 
3644 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
3645 	if (nxge_set_mac_addr(nxgep, &addrp)) {
3646 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3647 		    "<== nxge_m_unicst: set unitcast failed"));
3648 		return (EINVAL);
3649 	}
3650 
3651 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_unicst"));
3652 
3653 	return (0);
3654 }
3655 
3656 static int
3657 nxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
3658 {
3659 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3660 	struct 		ether_addr addrp;
3661 
3662 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3663 	    "==> nxge_m_multicst: add %d", add));
3664 
3665 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
3666 	if (add) {
3667 		if (nxge_add_mcast_addr(nxgep, &addrp)) {
3668 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3669 			    "<== nxge_m_multicst: add multicast failed"));
3670 			return (EINVAL);
3671 		}
3672 	} else {
3673 		if (nxge_del_mcast_addr(nxgep, &addrp)) {
3674 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3675 			    "<== nxge_m_multicst: del multicast failed"));
3676 			return (EINVAL);
3677 		}
3678 	}
3679 
3680 	NXGE_DEBUG_MSG((nxgep, MAC_CTL, "<== nxge_m_multicst"));
3681 
3682 	return (0);
3683 }
3684 
3685 static int
3686 nxge_m_promisc(void *arg, boolean_t on)
3687 {
3688 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3689 
3690 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3691 	    "==> nxge_m_promisc: on %d", on));
3692 
3693 	if (nxge_set_promisc(nxgep, on)) {
3694 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3695 		    "<== nxge_m_promisc: set promisc failed"));
3696 		return (EINVAL);
3697 	}
3698 
3699 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
3700 	    "<== nxge_m_promisc: on %d", on));
3701 
3702 	return (0);
3703 }
3704 
3705 static void
3706 nxge_m_ioctl(void *arg,  queue_t *wq, mblk_t *mp)
3707 {
3708 	p_nxge_t 	nxgep = (p_nxge_t)arg;
3709 	struct 		iocblk *iocp;
3710 	boolean_t 	need_privilege;
3711 	int 		err;
3712 	int 		cmd;
3713 
3714 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl"));
3715 
3716 	iocp = (struct iocblk *)mp->b_rptr;
3717 	iocp->ioc_error = 0;
3718 	need_privilege = B_TRUE;
3719 	cmd = iocp->ioc_cmd;
3720 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_ioctl: cmd 0x%08x", cmd));
3721 	switch (cmd) {
3722 	default:
3723 		miocnak(wq, mp, 0, EINVAL);
3724 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl: invalid"));
3725 		return;
3726 
3727 	case LB_GET_INFO_SIZE:
3728 	case LB_GET_INFO:
3729 	case LB_GET_MODE:
3730 		need_privilege = B_FALSE;
3731 		break;
3732 	case LB_SET_MODE:
3733 		break;
3734 
3735 
3736 	case NXGE_GET_MII:
3737 	case NXGE_PUT_MII:
3738 	case NXGE_GET64:
3739 	case NXGE_PUT64:
3740 	case NXGE_GET_TX_RING_SZ:
3741 	case NXGE_GET_TX_DESC:
3742 	case NXGE_TX_SIDE_RESET:
3743 	case NXGE_RX_SIDE_RESET:
3744 	case NXGE_GLOBAL_RESET:
3745 	case NXGE_RESET_MAC:
3746 	case NXGE_TX_REGS_DUMP:
3747 	case NXGE_RX_REGS_DUMP:
3748 	case NXGE_INT_REGS_DUMP:
3749 	case NXGE_VIR_INT_REGS_DUMP:
3750 	case NXGE_PUT_TCAM:
3751 	case NXGE_GET_TCAM:
3752 	case NXGE_RTRACE:
3753 	case NXGE_RDUMP:
3754 
3755 		need_privilege = B_FALSE;
3756 		break;
3757 	case NXGE_INJECT_ERR:
3758 		cmn_err(CE_NOTE, "!nxge_m_ioctl: Inject error\n");
3759 		nxge_err_inject(nxgep, wq, mp);
3760 		break;
3761 	}
3762 
3763 	if (need_privilege) {
3764 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
3765 		if (err != 0) {
3766 			miocnak(wq, mp, 0, err);
3767 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
3768 			    "<== nxge_m_ioctl: no priv"));
3769 			return;
3770 		}
3771 	}
3772 
3773 	switch (cmd) {
3774 
3775 	case LB_GET_MODE:
3776 	case LB_SET_MODE:
3777 	case LB_GET_INFO_SIZE:
3778 	case LB_GET_INFO:
3779 		nxge_loopback_ioctl(nxgep, wq, mp, iocp);
3780 		break;
3781 
3782 	case NXGE_GET_MII:
3783 	case NXGE_PUT_MII:
3784 	case NXGE_PUT_TCAM:
3785 	case NXGE_GET_TCAM:
3786 	case NXGE_GET64:
3787 	case NXGE_PUT64:
3788 	case NXGE_GET_TX_RING_SZ:
3789 	case NXGE_GET_TX_DESC:
3790 	case NXGE_TX_SIDE_RESET:
3791 	case NXGE_RX_SIDE_RESET:
3792 	case NXGE_GLOBAL_RESET:
3793 	case NXGE_RESET_MAC:
3794 	case NXGE_TX_REGS_DUMP:
3795 	case NXGE_RX_REGS_DUMP:
3796 	case NXGE_INT_REGS_DUMP:
3797 	case NXGE_VIR_INT_REGS_DUMP:
3798 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3799 		    "==> nxge_m_ioctl: cmd 0x%x", cmd));
3800 		nxge_hw_ioctl(nxgep, wq, mp, iocp);
3801 		break;
3802 	}
3803 
3804 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_ioctl"));
3805 }
3806 
3807 extern void nxge_rx_hw_blank(void *arg, time_t ticks, uint_t count);
3808 
3809 static void
3810 nxge_m_resources(void *arg)
3811 {
3812 	p_nxge_t		nxgep = arg;
3813 	mac_rx_fifo_t 		mrf;
3814 
3815 	nxge_grp_set_t		*set = &nxgep->rx_set;
3816 	uint8_t			rdc;
3817 
3818 	rx_rcr_ring_t		*ring;
3819 
3820 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "==> nxge_m_resources"));
3821 
3822 	MUTEX_ENTER(nxgep->genlock);
3823 
3824 	if (set->owned.map == 0) {
3825 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
3826 		    "nxge_m_resources: no receive resources"));
3827 		goto nxge_m_resources_exit;
3828 	}
3829 
3830 	/*
3831 	 * CR 6492541 Check to see if the drv_state has been initialized,
3832 	 * if not * call nxge_init().
3833 	 */
3834 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3835 		if (nxge_init(nxgep) != NXGE_OK)
3836 			goto nxge_m_resources_exit;
3837 	}
3838 
3839 	mrf.mrf_type = MAC_RX_FIFO;
3840 	mrf.mrf_blank = nxge_rx_hw_blank;
3841 	mrf.mrf_arg = (void *)nxgep;
3842 
3843 	mrf.mrf_normal_blank_time = 128;
3844 	mrf.mrf_normal_pkt_count = 8;
3845 
3846 	/*
3847 	 * Export our receive resources to the MAC layer.
3848 	 */
3849 	for (rdc = 0; rdc < NXGE_MAX_RDCS; rdc++) {
3850 		if ((1 << rdc) & set->owned.map) {
3851 			ring = nxgep->rx_rcr_rings->rcr_rings[rdc];
3852 			if (ring == 0) {
3853 				/*
3854 				 * This is a big deal only if we are
3855 				 * *not* in an LDOMs environment.
3856 				 */
3857 				if (nxgep->environs == SOLARIS_DOMAIN) {
3858 					cmn_err(CE_NOTE,
3859 					    "==> nxge_m_resources: "
3860 					    "ring %d == 0", rdc);
3861 				}
3862 				continue;
3863 			}
3864 			ring->rcr_mac_handle = mac_resource_add
3865 			    (nxgep->mach, (mac_resource_t *)&mrf);
3866 
3867 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
3868 			    "==> nxge_m_resources: RDC %d RCR %p MAC handle %p",
3869 			    rdc, ring, ring->rcr_mac_handle));
3870 		}
3871 	}
3872 
3873 nxge_m_resources_exit:
3874 	MUTEX_EXIT(nxgep->genlock);
3875 	NXGE_DEBUG_MSG((nxgep, RX_CTL, "<== nxge_m_resources"));
3876 }
3877 
3878 void
3879 nxge_mmac_kstat_update(p_nxge_t nxgep, mac_addr_slot_t slot, boolean_t factory)
3880 {
3881 	p_nxge_mmac_stats_t mmac_stats;
3882 	int i;
3883 	nxge_mmac_t *mmac_info;
3884 
3885 	mmac_info = &nxgep->nxge_mmac_info;
3886 
3887 	mmac_stats = &nxgep->statsp->mmac_stats;
3888 	mmac_stats->mmac_max_cnt = mmac_info->num_mmac;
3889 	mmac_stats->mmac_avail_cnt = mmac_info->naddrfree;
3890 
3891 	for (i = 0; i < ETHERADDRL; i++) {
3892 		if (factory) {
3893 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3894 			    = mmac_info->factory_mac_pool[slot][
3895 			    (ETHERADDRL-1) - i];
3896 		} else {
3897 			mmac_stats->mmac_avail_pool[slot-1].ether_addr_octet[i]
3898 			    = mmac_info->mac_pool[slot].addr[
3899 			    (ETHERADDRL - 1) - i];
3900 		}
3901 	}
3902 }
3903 
3904 /*
3905  * nxge_altmac_set() -- Set an alternate MAC address
3906  */
3907 static int
3908 nxge_altmac_set(p_nxge_t nxgep, uint8_t *maddr, mac_addr_slot_t slot)
3909 {
3910 	uint8_t addrn;
3911 	uint8_t portn;
3912 	npi_mac_addr_t altmac;
3913 	hostinfo_t mac_rdc;
3914 	p_nxge_class_pt_cfg_t clscfgp;
3915 
3916 	altmac.w2 = ((uint16_t)maddr[0] << 8) | ((uint16_t)maddr[1] & 0x0ff);
3917 	altmac.w1 = ((uint16_t)maddr[2] << 8) | ((uint16_t)maddr[3] & 0x0ff);
3918 	altmac.w0 = ((uint16_t)maddr[4] << 8) | ((uint16_t)maddr[5] & 0x0ff);
3919 
3920 	portn = nxgep->mac.portnum;
3921 	addrn = (uint8_t)slot - 1;
3922 
3923 	if (npi_mac_altaddr_entry(nxgep->npi_handle, OP_SET, portn,
3924 	    addrn, &altmac) != NPI_SUCCESS)
3925 		return (EIO);
3926 
3927 	/*
3928 	 * Set the rdc table number for the host info entry
3929 	 * for this mac address slot.
3930 	 */
3931 	clscfgp = (p_nxge_class_pt_cfg_t)&nxgep->class_config;
3932 	mac_rdc.value = 0;
3933 	mac_rdc.bits.w0.rdc_tbl_num = clscfgp->mac_host_info[addrn].rdctbl;
3934 	mac_rdc.bits.w0.mac_pref = clscfgp->mac_host_info[addrn].mpr_npr;
3935 
3936 	if (npi_mac_hostinfo_entry(nxgep->npi_handle, OP_SET,
3937 	    nxgep->function_num, addrn, &mac_rdc) != NPI_SUCCESS) {
3938 		return (EIO);
3939 	}
3940 
3941 	/*
3942 	 * Enable comparison with the alternate MAC address.
3943 	 * While the first alternate addr is enabled by bit 1 of register
3944 	 * BMAC_ALTAD_CMPEN, it is enabled by bit 0 of register
3945 	 * XMAC_ADDR_CMPEN, so slot needs to be converted to addrn
3946 	 * accordingly before calling npi_mac_altaddr_entry.
3947 	 */
3948 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
3949 		addrn = (uint8_t)slot - 1;
3950 	else
3951 		addrn = (uint8_t)slot;
3952 
3953 	if (npi_mac_altaddr_enable(nxgep->npi_handle, portn, addrn)
3954 	    != NPI_SUCCESS)
3955 		return (EIO);
3956 
3957 	return (0);
3958 }
3959 
3960 /*
3961  * nxeg_m_mmac_add() - find an unused address slot, set the address
3962  * value to the one specified, enable the port to start filtering on
3963  * the new MAC address.  Returns 0 on success.
3964  */
3965 int
3966 nxge_m_mmac_add(void *arg, mac_multi_addr_t *maddr)
3967 {
3968 	p_nxge_t nxgep = arg;
3969 	mac_addr_slot_t slot;
3970 	nxge_mmac_t *mmac_info;
3971 	int err;
3972 	nxge_status_t status;
3973 
3974 	mutex_enter(nxgep->genlock);
3975 
3976 	/*
3977 	 * Make sure that nxge is initialized, if _start() has
3978 	 * not been called.
3979 	 */
3980 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
3981 		status = nxge_init(nxgep);
3982 		if (status != NXGE_OK) {
3983 			mutex_exit(nxgep->genlock);
3984 			return (ENXIO);
3985 		}
3986 	}
3987 
3988 	mmac_info = &nxgep->nxge_mmac_info;
3989 	if (mmac_info->naddrfree == 0) {
3990 		mutex_exit(nxgep->genlock);
3991 		return (ENOSPC);
3992 	}
3993 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
3994 	    maddr->mma_addrlen)) {
3995 		mutex_exit(nxgep->genlock);
3996 		return (EINVAL);
3997 	}
3998 	/*
3999 	 * 	Search for the first available slot. Because naddrfree
4000 	 * is not zero, we are guaranteed to find one.
4001 	 * 	Slot 0 is for unique (primary) MAC. The first alternate
4002 	 * MAC slot is slot 1.
4003 	 *	Each of the first two ports of Neptune has 16 alternate
4004 	 * MAC slots but only the first 7 (of 15) slots have assigned factory
4005 	 * MAC addresses. We first search among the slots without bundled
4006 	 * factory MACs. If we fail to find one in that range, then we
4007 	 * search the slots with bundled factory MACs.  A factory MAC
4008 	 * will be wasted while the slot is used with a user MAC address.
4009 	 * But the slot could be used by factory MAC again after calling
4010 	 * nxge_m_mmac_remove and nxge_m_mmac_reserve.
4011 	 */
4012 	if (mmac_info->num_factory_mmac < mmac_info->num_mmac) {
4013 		for (slot = mmac_info->num_factory_mmac + 1;
4014 		    slot <= mmac_info->num_mmac; slot++) {
4015 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4016 				break;
4017 		}
4018 		if (slot > mmac_info->num_mmac) {
4019 			for (slot = 1; slot <= mmac_info->num_factory_mmac;
4020 			    slot++) {
4021 				if (!(mmac_info->mac_pool[slot].flags
4022 				    & MMAC_SLOT_USED))
4023 					break;
4024 			}
4025 		}
4026 	} else {
4027 		for (slot = 1; slot <= mmac_info->num_mmac; slot++) {
4028 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4029 				break;
4030 		}
4031 	}
4032 	ASSERT(slot <= mmac_info->num_mmac);
4033 	if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot)) != 0) {
4034 		mutex_exit(nxgep->genlock);
4035 		return (err);
4036 	}
4037 	bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr, ETHERADDRL);
4038 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED;
4039 	mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4040 	mmac_info->naddrfree--;
4041 	nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4042 
4043 	maddr->mma_slot = slot;
4044 
4045 	mutex_exit(nxgep->genlock);
4046 	return (0);
4047 }
4048 
4049 /*
4050  * This function reserves an unused slot and programs the slot and the HW
4051  * with a factory mac address.
4052  */
4053 static int
4054 nxge_m_mmac_reserve(void *arg, mac_multi_addr_t *maddr)
4055 {
4056 	p_nxge_t nxgep = arg;
4057 	mac_addr_slot_t slot;
4058 	nxge_mmac_t *mmac_info;
4059 	int err;
4060 	nxge_status_t status;
4061 
4062 	mutex_enter(nxgep->genlock);
4063 
4064 	/*
4065 	 * Make sure that nxge is initialized, if _start() has
4066 	 * not been called.
4067 	 */
4068 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4069 		status = nxge_init(nxgep);
4070 		if (status != NXGE_OK) {
4071 			mutex_exit(nxgep->genlock);
4072 			return (ENXIO);
4073 		}
4074 	}
4075 
4076 	mmac_info = &nxgep->nxge_mmac_info;
4077 	if (mmac_info->naddrfree == 0) {
4078 		mutex_exit(nxgep->genlock);
4079 		return (ENOSPC);
4080 	}
4081 
4082 	slot = maddr->mma_slot;
4083 	if (slot == -1) {  /* -1: Take the first available slot */
4084 		for (slot = 1; slot <= mmac_info->num_factory_mmac; slot++) {
4085 			if (!(mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED))
4086 				break;
4087 		}
4088 		if (slot > mmac_info->num_factory_mmac) {
4089 			mutex_exit(nxgep->genlock);
4090 			return (ENOSPC);
4091 		}
4092 	}
4093 	if (slot < 1 || slot > mmac_info->num_factory_mmac) {
4094 		/*
4095 		 * Do not support factory MAC at a slot greater than
4096 		 * num_factory_mmac even when there are available factory
4097 		 * MAC addresses because the alternate MACs are bundled with
4098 		 * slot[1] through slot[num_factory_mmac]
4099 		 */
4100 		mutex_exit(nxgep->genlock);
4101 		return (EINVAL);
4102 	}
4103 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4104 		mutex_exit(nxgep->genlock);
4105 		return (EBUSY);
4106 	}
4107 	/* Verify the address to be reserved */
4108 	if (!mac_unicst_verify(nxgep->mach,
4109 	    mmac_info->factory_mac_pool[slot], ETHERADDRL)) {
4110 		mutex_exit(nxgep->genlock);
4111 		return (EINVAL);
4112 	}
4113 	if (err = nxge_altmac_set(nxgep,
4114 	    mmac_info->factory_mac_pool[slot], slot)) {
4115 		mutex_exit(nxgep->genlock);
4116 		return (err);
4117 	}
4118 	bcopy(mmac_info->factory_mac_pool[slot], maddr->mma_addr, ETHERADDRL);
4119 	mmac_info->mac_pool[slot].flags |= MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4120 	mmac_info->naddrfree--;
4121 
4122 	nxge_mmac_kstat_update(nxgep, slot, B_TRUE);
4123 	mutex_exit(nxgep->genlock);
4124 
4125 	/* Pass info back to the caller */
4126 	maddr->mma_slot = slot;
4127 	maddr->mma_addrlen = ETHERADDRL;
4128 	maddr->mma_flags = MMAC_SLOT_USED | MMAC_VENDOR_ADDR;
4129 
4130 	return (0);
4131 }
4132 
4133 /*
4134  * Remove the specified mac address and update the HW not to filter
4135  * the mac address anymore.
4136  */
4137 int
4138 nxge_m_mmac_remove(void *arg, mac_addr_slot_t slot)
4139 {
4140 	p_nxge_t nxgep = arg;
4141 	nxge_mmac_t *mmac_info;
4142 	uint8_t addrn;
4143 	uint8_t portn;
4144 	int err = 0;
4145 	nxge_status_t status;
4146 
4147 	mutex_enter(nxgep->genlock);
4148 
4149 	/*
4150 	 * Make sure that nxge is initialized, if _start() has
4151 	 * not been called.
4152 	 */
4153 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4154 		status = nxge_init(nxgep);
4155 		if (status != NXGE_OK) {
4156 			mutex_exit(nxgep->genlock);
4157 			return (ENXIO);
4158 		}
4159 	}
4160 
4161 	mmac_info = &nxgep->nxge_mmac_info;
4162 	if (slot < 1 || slot > mmac_info->num_mmac) {
4163 		mutex_exit(nxgep->genlock);
4164 		return (EINVAL);
4165 	}
4166 
4167 	portn = nxgep->mac.portnum;
4168 	if (portn == XMAC_PORT_0 || portn == XMAC_PORT_1)
4169 		addrn = (uint8_t)slot - 1;
4170 	else
4171 		addrn = (uint8_t)slot;
4172 
4173 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4174 		if (npi_mac_altaddr_disable(nxgep->npi_handle, portn, addrn)
4175 		    == NPI_SUCCESS) {
4176 			mmac_info->naddrfree++;
4177 			mmac_info->mac_pool[slot].flags &= ~MMAC_SLOT_USED;
4178 			/*
4179 			 * Regardless if the MAC we just stopped filtering
4180 			 * is a user addr or a facory addr, we must set
4181 			 * the MMAC_VENDOR_ADDR flag if this slot has an
4182 			 * associated factory MAC to indicate that a factory
4183 			 * MAC is available.
4184 			 */
4185 			if (slot <= mmac_info->num_factory_mmac) {
4186 				mmac_info->mac_pool[slot].flags
4187 				    |= MMAC_VENDOR_ADDR;
4188 			}
4189 			/*
4190 			 * Clear mac_pool[slot].addr so that kstat shows 0
4191 			 * alternate MAC address if the slot is not used.
4192 			 * (But nxge_m_mmac_get returns the factory MAC even
4193 			 * when the slot is not used!)
4194 			 */
4195 			bzero(mmac_info->mac_pool[slot].addr, ETHERADDRL);
4196 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4197 		} else {
4198 			err = EIO;
4199 		}
4200 	} else {
4201 		err = EINVAL;
4202 	}
4203 
4204 	mutex_exit(nxgep->genlock);
4205 	return (err);
4206 }
4207 
4208 /*
4209  * Modify a mac address added by nxge_m_mmac_add or nxge_m_mmac_reserve().
4210  */
4211 static int
4212 nxge_m_mmac_modify(void *arg, mac_multi_addr_t *maddr)
4213 {
4214 	p_nxge_t nxgep = arg;
4215 	mac_addr_slot_t slot;
4216 	nxge_mmac_t *mmac_info;
4217 	int err = 0;
4218 	nxge_status_t status;
4219 
4220 	if (!mac_unicst_verify(nxgep->mach, maddr->mma_addr,
4221 	    maddr->mma_addrlen))
4222 		return (EINVAL);
4223 
4224 	slot = maddr->mma_slot;
4225 
4226 	mutex_enter(nxgep->genlock);
4227 
4228 	/*
4229 	 * Make sure that nxge is initialized, if _start() has
4230 	 * not been called.
4231 	 */
4232 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4233 		status = nxge_init(nxgep);
4234 		if (status != NXGE_OK) {
4235 			mutex_exit(nxgep->genlock);
4236 			return (ENXIO);
4237 		}
4238 	}
4239 
4240 	mmac_info = &nxgep->nxge_mmac_info;
4241 	if (slot < 1 || slot > mmac_info->num_mmac) {
4242 		mutex_exit(nxgep->genlock);
4243 		return (EINVAL);
4244 	}
4245 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED) {
4246 		if ((err = nxge_altmac_set(nxgep, maddr->mma_addr, slot))
4247 		    != 0) {
4248 			bcopy(maddr->mma_addr, mmac_info->mac_pool[slot].addr,
4249 			    ETHERADDRL);
4250 			/*
4251 			 * Assume that the MAC passed down from the caller
4252 			 * is not a factory MAC address (The user should
4253 			 * call mmac_remove followed by mmac_reserve if
4254 			 * he wants to use the factory MAC for this slot).
4255 			 */
4256 			mmac_info->mac_pool[slot].flags &= ~MMAC_VENDOR_ADDR;
4257 			nxge_mmac_kstat_update(nxgep, slot, B_FALSE);
4258 		}
4259 	} else {
4260 		err = EINVAL;
4261 	}
4262 	mutex_exit(nxgep->genlock);
4263 	return (err);
4264 }
4265 
4266 /*
4267  * nxge_m_mmac_get() - Get the MAC address and other information
4268  * related to the slot.  mma_flags should be set to 0 in the call.
4269  * Note: although kstat shows MAC address as zero when a slot is
4270  * not used, Crossbow expects nxge_m_mmac_get to copy factory MAC
4271  * to the caller as long as the slot is not using a user MAC address.
4272  * The following table shows the rules,
4273  *
4274  *				   USED    VENDOR    mma_addr
4275  * ------------------------------------------------------------
4276  * (1) Slot uses a user MAC:        yes      no     user MAC
4277  * (2) Slot uses a factory MAC:     yes      yes    factory MAC
4278  * (3) Slot is not used but is
4279  *     factory MAC capable:         no       yes    factory MAC
4280  * (4) Slot is not used and is
4281  *     not factory MAC capable:     no       no        0
4282  * ------------------------------------------------------------
4283  */
4284 static int
4285 nxge_m_mmac_get(void *arg, mac_multi_addr_t *maddr)
4286 {
4287 	nxge_t *nxgep = arg;
4288 	mac_addr_slot_t slot;
4289 	nxge_mmac_t *mmac_info;
4290 	nxge_status_t status;
4291 
4292 	slot = maddr->mma_slot;
4293 
4294 	mutex_enter(nxgep->genlock);
4295 
4296 	/*
4297 	 * Make sure that nxge is initialized, if _start() has
4298 	 * not been called.
4299 	 */
4300 	if (!(nxgep->drv_state & STATE_HW_INITIALIZED)) {
4301 		status = nxge_init(nxgep);
4302 		if (status != NXGE_OK) {
4303 			mutex_exit(nxgep->genlock);
4304 			return (ENXIO);
4305 		}
4306 	}
4307 
4308 	mmac_info = &nxgep->nxge_mmac_info;
4309 
4310 	if (slot < 1 || slot > mmac_info->num_mmac) {
4311 		mutex_exit(nxgep->genlock);
4312 		return (EINVAL);
4313 	}
4314 	maddr->mma_flags = 0;
4315 	if (mmac_info->mac_pool[slot].flags & MMAC_SLOT_USED)
4316 		maddr->mma_flags |= MMAC_SLOT_USED;
4317 
4318 	if (mmac_info->mac_pool[slot].flags & MMAC_VENDOR_ADDR) {
4319 		maddr->mma_flags |= MMAC_VENDOR_ADDR;
4320 		bcopy(mmac_info->factory_mac_pool[slot],
4321 		    maddr->mma_addr, ETHERADDRL);
4322 		maddr->mma_addrlen = ETHERADDRL;
4323 	} else {
4324 		if (maddr->mma_flags & MMAC_SLOT_USED) {
4325 			bcopy(mmac_info->mac_pool[slot].addr,
4326 			    maddr->mma_addr, ETHERADDRL);
4327 			maddr->mma_addrlen = ETHERADDRL;
4328 		} else {
4329 			bzero(maddr->mma_addr, ETHERADDRL);
4330 			maddr->mma_addrlen = 0;
4331 		}
4332 	}
4333 	mutex_exit(nxgep->genlock);
4334 	return (0);
4335 }
4336 
4337 static boolean_t
4338 nxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
4339 {
4340 	nxge_t *nxgep = arg;
4341 	uint32_t *txflags = cap_data;
4342 	multiaddress_capab_t *mmacp = cap_data;
4343 
4344 	switch (cap) {
4345 	case MAC_CAPAB_HCKSUM:
4346 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4347 		    "==> nxge_m_getcapab: checksum %d", nxge_cksum_enable));
4348 		if (nxge_cksum_enable) {
4349 			*txflags = HCKSUM_INET_PARTIAL;
4350 		}
4351 		break;
4352 
4353 	case MAC_CAPAB_POLL:
4354 		/*
4355 		 * There's nothing for us to fill in, simply returning
4356 		 * B_TRUE stating that we support polling is sufficient.
4357 		 */
4358 		break;
4359 
4360 	case MAC_CAPAB_MULTIADDRESS:
4361 		mmacp = (multiaddress_capab_t *)cap_data;
4362 		mutex_enter(nxgep->genlock);
4363 
4364 		mmacp->maddr_naddr = nxgep->nxge_mmac_info.num_mmac;
4365 		mmacp->maddr_naddrfree = nxgep->nxge_mmac_info.naddrfree;
4366 		mmacp->maddr_flag = 0; /* 0 is requried by PSARC2006/265 */
4367 		/*
4368 		 * maddr_handle is driver's private data, passed back to
4369 		 * entry point functions as arg.
4370 		 */
4371 		mmacp->maddr_handle	= nxgep;
4372 		mmacp->maddr_add	= nxge_m_mmac_add;
4373 		mmacp->maddr_remove	= nxge_m_mmac_remove;
4374 		mmacp->maddr_modify	= nxge_m_mmac_modify;
4375 		mmacp->maddr_get	= nxge_m_mmac_get;
4376 		mmacp->maddr_reserve	= nxge_m_mmac_reserve;
4377 
4378 		mutex_exit(nxgep->genlock);
4379 		break;
4380 
4381 	case MAC_CAPAB_LSO: {
4382 		mac_capab_lso_t *cap_lso = cap_data;
4383 
4384 		if (nxgep->soft_lso_enable) {
4385 			cap_lso->lso_flags = LSO_TX_BASIC_TCP_IPV4;
4386 			if (nxge_lso_max > NXGE_LSO_MAXLEN) {
4387 				nxge_lso_max = NXGE_LSO_MAXLEN;
4388 			}
4389 			cap_lso->lso_basic_tcp_ipv4.lso_max = nxge_lso_max;
4390 			break;
4391 		} else {
4392 			return (B_FALSE);
4393 		}
4394 	}
4395 
4396 #if defined(sun4v)
4397 	case MAC_CAPAB_RINGS: {
4398 		mac_capab_rings_t *mrings = (mac_capab_rings_t *)cap_data;
4399 
4400 		/*
4401 		 * Only the service domain driver responds to
4402 		 * this capability request.
4403 		 */
4404 		if (isLDOMservice(nxgep)) {
4405 			mrings->mr_handle = (void *)nxgep;
4406 
4407 			/*
4408 			 * No dynamic allocation of groups and
4409 			 * rings at this time.  Shares dictate the
4410 			 * configurartion.
4411 			 */
4412 			mrings->mr_gadd_ring = NULL;
4413 			mrings->mr_grem_ring = NULL;
4414 			mrings->mr_rget = NULL;
4415 			mrings->mr_gget = nxge_hio_group_get;
4416 
4417 			if (mrings->mr_type == MAC_RING_TYPE_RX) {
4418 				mrings->mr_rnum = 8; /* XXX */
4419 				mrings->mr_gnum = 6; /* XXX */
4420 			} else {
4421 				mrings->mr_rnum = 8; /* XXX */
4422 				mrings->mr_gnum = 0; /* XXX */
4423 			}
4424 		} else
4425 			return (B_FALSE);
4426 		break;
4427 	}
4428 
4429 	case MAC_CAPAB_SHARES: {
4430 		mac_capab_share_t *mshares = (mac_capab_share_t *)cap_data;
4431 
4432 		/*
4433 		 * Only the service domain driver responds to
4434 		 * this capability request.
4435 		 */
4436 		if (isLDOMservice(nxgep)) {
4437 			mshares->ms_snum = 3;
4438 			mshares->ms_handle = (void *)nxgep;
4439 			mshares->ms_salloc = nxge_hio_share_alloc;
4440 			mshares->ms_sfree = nxge_hio_share_free;
4441 			mshares->ms_sadd = NULL;
4442 			mshares->ms_sremove = NULL;
4443 			mshares->ms_squery = nxge_hio_share_query;
4444 		} else
4445 			return (B_FALSE);
4446 		break;
4447 	}
4448 #endif
4449 	default:
4450 		return (B_FALSE);
4451 	}
4452 	return (B_TRUE);
4453 }
4454 
4455 static boolean_t
4456 nxge_param_locked(mac_prop_id_t pr_num)
4457 {
4458 	/*
4459 	 * All adv_* parameters are locked (read-only) while
4460 	 * the device is in any sort of loopback mode ...
4461 	 */
4462 	switch (pr_num) {
4463 		case DLD_PROP_ADV_1000FDX_CAP:
4464 		case DLD_PROP_EN_1000FDX_CAP:
4465 		case DLD_PROP_ADV_1000HDX_CAP:
4466 		case DLD_PROP_EN_1000HDX_CAP:
4467 		case DLD_PROP_ADV_100FDX_CAP:
4468 		case DLD_PROP_EN_100FDX_CAP:
4469 		case DLD_PROP_ADV_100HDX_CAP:
4470 		case DLD_PROP_EN_100HDX_CAP:
4471 		case DLD_PROP_ADV_10FDX_CAP:
4472 		case DLD_PROP_EN_10FDX_CAP:
4473 		case DLD_PROP_ADV_10HDX_CAP:
4474 		case DLD_PROP_EN_10HDX_CAP:
4475 		case DLD_PROP_AUTONEG:
4476 		case DLD_PROP_FLOWCTRL:
4477 			return (B_TRUE);
4478 	}
4479 	return (B_FALSE);
4480 }
4481 
4482 /*
4483  * callback functions for set/get of properties
4484  */
4485 static int
4486 nxge_m_setprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4487     uint_t pr_valsize, const void *pr_val)
4488 {
4489 	nxge_t		*nxgep = barg;
4490 	p_nxge_param_t	param_arr;
4491 	p_nxge_stats_t	statsp;
4492 	int		err = 0;
4493 	uint8_t		val;
4494 	uint32_t	cur_mtu, new_mtu, old_framesize;
4495 	link_flowctrl_t	fl;
4496 
4497 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "==> nxge_m_setprop"));
4498 	param_arr = nxgep->param_arr;
4499 	statsp = nxgep->statsp;
4500 	mutex_enter(nxgep->genlock);
4501 	if (statsp->port_stats.lb_mode != nxge_lb_normal &&
4502 	    nxge_param_locked(pr_num)) {
4503 		/*
4504 		 * All adv_* parameters are locked (read-only)
4505 		 * while the device is in any sort of loopback mode.
4506 		 */
4507 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4508 		    "==> nxge_m_setprop: loopback mode: read only"));
4509 		mutex_exit(nxgep->genlock);
4510 		return (EBUSY);
4511 	}
4512 
4513 	val = *(uint8_t *)pr_val;
4514 	switch (pr_num) {
4515 		case DLD_PROP_EN_1000FDX_CAP:
4516 			nxgep->param_en_1000fdx = val;
4517 			param_arr[param_anar_1000fdx].value = val;
4518 
4519 			goto reprogram;
4520 
4521 		case DLD_PROP_EN_100FDX_CAP:
4522 			nxgep->param_en_100fdx = val;
4523 			param_arr[param_anar_100fdx].value = val;
4524 
4525 			goto reprogram;
4526 
4527 		case DLD_PROP_EN_10FDX_CAP:
4528 			nxgep->param_en_10fdx = val;
4529 			param_arr[param_anar_10fdx].value = val;
4530 
4531 			goto reprogram;
4532 
4533 		case DLD_PROP_EN_1000HDX_CAP:
4534 		case DLD_PROP_EN_100HDX_CAP:
4535 		case DLD_PROP_EN_10HDX_CAP:
4536 		case DLD_PROP_ADV_1000FDX_CAP:
4537 		case DLD_PROP_ADV_1000HDX_CAP:
4538 		case DLD_PROP_ADV_100FDX_CAP:
4539 		case DLD_PROP_ADV_100HDX_CAP:
4540 		case DLD_PROP_ADV_10FDX_CAP:
4541 		case DLD_PROP_ADV_10HDX_CAP:
4542 		case DLD_PROP_STATUS:
4543 		case DLD_PROP_SPEED:
4544 		case DLD_PROP_DUPLEX:
4545 			err = EINVAL; /* cannot set read-only properties */
4546 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4547 			    "==> nxge_m_setprop:  read only property %d",
4548 			    pr_num));
4549 			break;
4550 
4551 		case DLD_PROP_AUTONEG:
4552 			param_arr[param_autoneg].value = val;
4553 
4554 			goto reprogram;
4555 
4556 		case DLD_PROP_MTU:
4557 			if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
4558 				err = EBUSY;
4559 				break;
4560 			}
4561 
4562 			cur_mtu = nxgep->mac.default_mtu;
4563 			bcopy(pr_val, &new_mtu, sizeof (new_mtu));
4564 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4565 			    "==> nxge_m_setprop: set MTU: %d is_jumbo %d",
4566 			    new_mtu, nxgep->mac.is_jumbo));
4567 
4568 			if (new_mtu == cur_mtu) {
4569 				err = 0;
4570 				break;
4571 			}
4572 			if (new_mtu < NXGE_DEFAULT_MTU ||
4573 			    new_mtu > NXGE_MAXIMUM_MTU) {
4574 				err = EINVAL;
4575 				break;
4576 			}
4577 
4578 			if ((new_mtu > NXGE_DEFAULT_MTU) &&
4579 			    !nxgep->mac.is_jumbo) {
4580 				err = EINVAL;
4581 				break;
4582 			}
4583 
4584 			old_framesize = (uint32_t)nxgep->mac.maxframesize;
4585 			nxgep->mac.maxframesize = (uint16_t)
4586 			    (new_mtu + NXGE_EHEADER_VLAN_CRC);
4587 			if (nxge_mac_set_framesize(nxgep)) {
4588 				nxgep->mac.maxframesize =
4589 				    (uint16_t)old_framesize;
4590 				err = EINVAL;
4591 				break;
4592 			}
4593 
4594 			err = mac_maxsdu_update(nxgep->mach, new_mtu);
4595 			if (err) {
4596 				nxgep->mac.maxframesize =
4597 				    (uint16_t)old_framesize;
4598 				err = EINVAL;
4599 				break;
4600 			}
4601 
4602 			nxgep->mac.default_mtu = new_mtu;
4603 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4604 			    "==> nxge_m_setprop: set MTU: %d maxframe %d",
4605 			    new_mtu, nxgep->mac.maxframesize));
4606 			break;
4607 
4608 		case DLD_PROP_FLOWCTRL:
4609 			bcopy(pr_val, &fl, sizeof (fl));
4610 			switch (fl) {
4611 			default:
4612 				err = EINVAL;
4613 				break;
4614 
4615 			case LINK_FLOWCTRL_NONE:
4616 				param_arr[param_anar_pause].value = 0;
4617 				break;
4618 
4619 			case LINK_FLOWCTRL_RX:
4620 				param_arr[param_anar_pause].value = 1;
4621 				break;
4622 
4623 			case LINK_FLOWCTRL_TX:
4624 			case LINK_FLOWCTRL_BI:
4625 				err = EINVAL;
4626 				break;
4627 			}
4628 
4629 reprogram:
4630 			if (err == 0) {
4631 				if (!nxge_param_link_update(nxgep)) {
4632 					err = EINVAL;
4633 				}
4634 			}
4635 			break;
4636 		case DLD_PROP_PRIVATE:
4637 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4638 			    "==> nxge_m_setprop: private property"));
4639 			err = nxge_set_priv_prop(nxgep, pr_name, pr_valsize,
4640 			    pr_val);
4641 			break;
4642 
4643 		default:
4644 			err = ENOTSUP;
4645 			break;
4646 	}
4647 
4648 	mutex_exit(nxgep->genlock);
4649 
4650 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4651 	    "<== nxge_m_setprop (return %d)", err));
4652 	return (err);
4653 }
4654 
4655 static int
4656 nxge_m_getprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
4657     uint_t pr_flags, uint_t pr_valsize, void *pr_val)
4658 {
4659 	nxge_t 		*nxgep = barg;
4660 	p_nxge_param_t	param_arr = nxgep->param_arr;
4661 	p_nxge_stats_t	statsp = nxgep->statsp;
4662 	int		err = 0;
4663 	link_flowctrl_t	fl;
4664 	uint64_t	tmp = 0;
4665 	link_state_t	ls;
4666 	boolean_t	is_default = (pr_flags & DLD_DEFAULT);
4667 
4668 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4669 	    "==> nxge_m_getprop: pr_num %d", pr_num));
4670 
4671 	if (pr_valsize == 0)
4672 		return (EINVAL);
4673 
4674 	if ((is_default) && (pr_num != DLD_PROP_PRIVATE)) {
4675 		err = nxge_get_def_val(nxgep, pr_num, pr_valsize, pr_val);
4676 		return (err);
4677 	}
4678 
4679 	bzero(pr_val, pr_valsize);
4680 	switch (pr_num) {
4681 		case DLD_PROP_DUPLEX:
4682 			*(uint8_t *)pr_val = statsp->mac_stats.link_duplex;
4683 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4684 			    "==> nxge_m_getprop: duplex mode %d",
4685 			    *(uint8_t *)pr_val));
4686 			break;
4687 
4688 		case DLD_PROP_SPEED:
4689 			if (pr_valsize < sizeof (uint64_t))
4690 				return (EINVAL);
4691 			tmp = statsp->mac_stats.link_speed * 1000000ull;
4692 			bcopy(&tmp, pr_val, sizeof (tmp));
4693 			break;
4694 
4695 		case DLD_PROP_STATUS:
4696 			if (pr_valsize < sizeof (link_state_t))
4697 				return (EINVAL);
4698 			if (!statsp->mac_stats.link_up)
4699 				ls = LINK_STATE_DOWN;
4700 			else
4701 				ls = LINK_STATE_UP;
4702 			bcopy(&ls, pr_val, sizeof (ls));
4703 			break;
4704 
4705 		case DLD_PROP_AUTONEG:
4706 			*(uint8_t *)pr_val =
4707 			    param_arr[param_autoneg].value;
4708 			break;
4709 
4710 		case DLD_PROP_FLOWCTRL:
4711 			if (pr_valsize < sizeof (link_flowctrl_t))
4712 				return (EINVAL);
4713 
4714 			fl = LINK_FLOWCTRL_NONE;
4715 			if (param_arr[param_anar_pause].value) {
4716 				fl = LINK_FLOWCTRL_RX;
4717 			}
4718 			bcopy(&fl, pr_val, sizeof (fl));
4719 			break;
4720 
4721 		case DLD_PROP_ADV_1000FDX_CAP:
4722 			*(uint8_t *)pr_val =
4723 			    param_arr[param_anar_1000fdx].value;
4724 			break;
4725 
4726 		case DLD_PROP_EN_1000FDX_CAP:
4727 			*(uint8_t *)pr_val = nxgep->param_en_1000fdx;
4728 			break;
4729 
4730 		case DLD_PROP_ADV_100FDX_CAP:
4731 			*(uint8_t *)pr_val =
4732 			    param_arr[param_anar_100fdx].value;
4733 			break;
4734 
4735 		case DLD_PROP_EN_100FDX_CAP:
4736 			*(uint8_t *)pr_val = nxgep->param_en_100fdx;
4737 			break;
4738 
4739 		case DLD_PROP_ADV_10FDX_CAP:
4740 			*(uint8_t *)pr_val =
4741 			    param_arr[param_anar_10fdx].value;
4742 			break;
4743 
4744 		case DLD_PROP_EN_10FDX_CAP:
4745 			*(uint8_t *)pr_val = nxgep->param_en_10fdx;
4746 			break;
4747 
4748 		case DLD_PROP_EN_1000HDX_CAP:
4749 		case DLD_PROP_EN_100HDX_CAP:
4750 		case DLD_PROP_EN_10HDX_CAP:
4751 		case DLD_PROP_ADV_1000HDX_CAP:
4752 		case DLD_PROP_ADV_100HDX_CAP:
4753 		case DLD_PROP_ADV_10HDX_CAP:
4754 			err = ENOTSUP;
4755 			break;
4756 
4757 		case DLD_PROP_PRIVATE:
4758 			err = nxge_get_priv_prop(nxgep, pr_name, pr_flags,
4759 			    pr_valsize, pr_val);
4760 			break;
4761 		default:
4762 			err = EINVAL;
4763 			break;
4764 	}
4765 
4766 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL, "<== nxge_m_getprop"));
4767 
4768 	return (err);
4769 }
4770 
4771 /* ARGSUSED */
4772 static int
4773 nxge_set_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_valsize,
4774     const void *pr_val)
4775 {
4776 	p_nxge_param_t	param_arr = nxgep->param_arr;
4777 	int		err = 0;
4778 	long		result;
4779 
4780 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4781 	    "==> nxge_set_priv_prop: name %s", pr_name));
4782 
4783 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
4784 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4785 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4786 		    "<== nxge_set_priv_prop: name %s "
4787 		    "pr_val %s result %d "
4788 		    "param %d is_jumbo %d",
4789 		    pr_name, pr_val, result,
4790 		    param_arr[param_accept_jumbo].value,
4791 		    nxgep->mac.is_jumbo));
4792 
4793 		if (result > 1 || result < 0) {
4794 			err = EINVAL;
4795 		} else {
4796 			if (nxgep->mac.is_jumbo ==
4797 			    (uint32_t)result) {
4798 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4799 				    "no change (%d %d)",
4800 				    nxgep->mac.is_jumbo,
4801 				    result));
4802 				return (0);
4803 			}
4804 		}
4805 
4806 		param_arr[param_accept_jumbo].value = result;
4807 		nxgep->mac.is_jumbo = B_FALSE;
4808 		if (result) {
4809 			nxgep->mac.is_jumbo = B_TRUE;
4810 		}
4811 
4812 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4813 		    "<== nxge_set_priv_prop: name %s (value %d) is_jumbo %d",
4814 		    pr_name, result, nxgep->mac.is_jumbo));
4815 
4816 		return (err);
4817 	}
4818 
4819 	/* Blanking */
4820 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
4821 		err = nxge_param_rx_intr_time(nxgep, NULL, NULL,
4822 		    (char *)pr_val,
4823 		    (caddr_t)&param_arr[param_rxdma_intr_time]);
4824 		if (err) {
4825 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4826 			    "<== nxge_set_priv_prop: "
4827 			    "unable to set (%s)", pr_name));
4828 			err = EINVAL;
4829 		} else {
4830 			err = 0;
4831 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4832 			    "<== nxge_set_priv_prop: "
4833 			    "set (%s)", pr_name));
4834 		}
4835 
4836 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4837 		    "<== nxge_set_priv_prop: name %s (value %d)",
4838 		    pr_name, result));
4839 
4840 		return (err);
4841 	}
4842 
4843 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
4844 		err = nxge_param_rx_intr_pkts(nxgep, NULL, NULL,
4845 		    (char *)pr_val,
4846 		    (caddr_t)&param_arr[param_rxdma_intr_pkts]);
4847 		if (err) {
4848 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4849 			    "<== nxge_set_priv_prop: "
4850 			    "unable to set (%s)", pr_name));
4851 			err = EINVAL;
4852 		} else {
4853 			err = 0;
4854 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4855 			    "<== nxge_set_priv_prop: "
4856 			    "set (%s)", pr_name));
4857 		}
4858 
4859 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4860 		    "<== nxge_set_priv_prop: name %s (value %d)",
4861 		    pr_name, result));
4862 
4863 		return (err);
4864 	}
4865 
4866 	/* Classification */
4867 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
4868 		if (pr_val == NULL) {
4869 			err = EINVAL;
4870 			return (err);
4871 		}
4872 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4873 
4874 		err = nxge_param_set_ip_opt(nxgep, NULL,
4875 		    NULL, (char *)pr_val,
4876 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
4877 
4878 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4879 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4880 		    pr_name, result));
4881 
4882 		return (err);
4883 	}
4884 
4885 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
4886 		if (pr_val == NULL) {
4887 			err = EINVAL;
4888 			return (err);
4889 		}
4890 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4891 
4892 		err = nxge_param_set_ip_opt(nxgep, NULL,
4893 		    NULL, (char *)pr_val,
4894 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
4895 
4896 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4897 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4898 		    pr_name, result));
4899 
4900 		return (err);
4901 	}
4902 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
4903 		if (pr_val == NULL) {
4904 			err = EINVAL;
4905 			return (err);
4906 		}
4907 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4908 
4909 		err = nxge_param_set_ip_opt(nxgep, NULL,
4910 		    NULL, (char *)pr_val,
4911 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
4912 
4913 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4914 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4915 		    pr_name, result));
4916 
4917 		return (err);
4918 	}
4919 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
4920 		if (pr_val == NULL) {
4921 			err = EINVAL;
4922 			return (err);
4923 		}
4924 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4925 
4926 		err = nxge_param_set_ip_opt(nxgep, NULL,
4927 		    NULL, (char *)pr_val,
4928 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
4929 
4930 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4931 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4932 		    pr_name, result));
4933 
4934 		return (err);
4935 	}
4936 
4937 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
4938 		if (pr_val == NULL) {
4939 			err = EINVAL;
4940 			return (err);
4941 		}
4942 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4943 
4944 		err = nxge_param_set_ip_opt(nxgep, NULL,
4945 		    NULL, (char *)pr_val,
4946 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
4947 
4948 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4949 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4950 		    pr_name, result));
4951 
4952 		return (err);
4953 	}
4954 
4955 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
4956 		if (pr_val == NULL) {
4957 			err = EINVAL;
4958 			return (err);
4959 		}
4960 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4961 
4962 		err = nxge_param_set_ip_opt(nxgep, NULL,
4963 		    NULL, (char *)pr_val,
4964 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
4965 
4966 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4967 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4968 		    pr_name, result));
4969 
4970 		return (err);
4971 	}
4972 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
4973 		if (pr_val == NULL) {
4974 			err = EINVAL;
4975 			return (err);
4976 		}
4977 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4978 
4979 		err = nxge_param_set_ip_opt(nxgep, NULL,
4980 		    NULL, (char *)pr_val,
4981 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
4982 
4983 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
4984 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
4985 		    pr_name, result));
4986 
4987 		return (err);
4988 	}
4989 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
4990 		if (pr_val == NULL) {
4991 			err = EINVAL;
4992 			return (err);
4993 		}
4994 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
4995 
4996 		err = nxge_param_set_ip_opt(nxgep, NULL,
4997 		    NULL, (char *)pr_val,
4998 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
4999 
5000 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5001 		    "<== nxge_set_priv_prop: name %s (value 0x%x)",
5002 		    pr_name, result));
5003 
5004 		return (err);
5005 	}
5006 
5007 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5008 		if (nxgep->nxge_mac_state == NXGE_MAC_STARTED) {
5009 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5010 			    "==> nxge_set_priv_prop: name %s (busy)", pr_name));
5011 			err = EBUSY;
5012 			return (err);
5013 		}
5014 		if (pr_val == NULL) {
5015 			NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5016 			    "==> nxge_set_priv_prop: name %s (null)", pr_name));
5017 			err = EINVAL;
5018 			return (err);
5019 		}
5020 
5021 		(void) ddi_strtol(pr_val, (char **)NULL, 0, &result);
5022 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5023 		    "<== nxge_set_priv_prop: name %s "
5024 		    "(lso %d pr_val %s value %d)",
5025 		    pr_name, nxgep->soft_lso_enable, pr_val, result));
5026 
5027 		if (result > 1 || result < 0) {
5028 			err = EINVAL;
5029 		} else {
5030 			if (nxgep->soft_lso_enable == (uint32_t)result) {
5031 				NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5032 				    "no change (%d %d)",
5033 				    nxgep->soft_lso_enable, result));
5034 				return (0);
5035 			}
5036 		}
5037 
5038 		nxgep->soft_lso_enable = (int)result;
5039 
5040 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5041 		    "<== nxge_set_priv_prop: name %s (value %d)",
5042 		    pr_name, result));
5043 
5044 		return (err);
5045 	}
5046 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5047 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5048 		    (caddr_t)&param_arr[param_anar_10gfdx]);
5049 		return (err);
5050 	}
5051 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5052 		err = nxge_param_set_mac(nxgep, NULL, NULL, (char *)pr_val,
5053 		    (caddr_t)&param_arr[param_anar_pause]);
5054 		return (err);
5055 	}
5056 
5057 	return (EINVAL);
5058 }
5059 
5060 static int
5061 nxge_get_priv_prop(p_nxge_t nxgep, const char *pr_name, uint_t pr_flags,
5062     uint_t pr_valsize, void *pr_val)
5063 {
5064 	p_nxge_param_t	param_arr = nxgep->param_arr;
5065 	char		valstr[MAXNAMELEN];
5066 	int		err = EINVAL;
5067 	uint_t		strsize;
5068 	boolean_t	is_default = (pr_flags & DLD_DEFAULT);
5069 
5070 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5071 	    "==> nxge_get_priv_prop: property %s", pr_name));
5072 
5073 	/* function number */
5074 	if (strcmp(pr_name, "_function_number") == 0) {
5075 		if (is_default)
5076 			return (ENOTSUP);
5077 		(void) snprintf(valstr, sizeof (valstr), "%d",
5078 		    nxgep->function_num);
5079 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5080 		    "==> nxge_get_priv_prop: name %s "
5081 		    "(value %d valstr %s)",
5082 		    pr_name, nxgep->function_num, valstr));
5083 
5084 		err = 0;
5085 		goto done;
5086 	}
5087 
5088 	/* Neptune firmware version */
5089 	if (strcmp(pr_name, "_fw_version") == 0) {
5090 		if (is_default)
5091 			return (ENOTSUP);
5092 		(void) snprintf(valstr, sizeof (valstr), "%s",
5093 		    nxgep->vpd_info.ver);
5094 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5095 		    "==> nxge_get_priv_prop: name %s "
5096 		    "(value %d valstr %s)",
5097 		    pr_name, nxgep->vpd_info.ver, valstr));
5098 
5099 		err = 0;
5100 		goto done;
5101 	}
5102 
5103 	/* port PHY mode */
5104 	if (strcmp(pr_name, "_port_mode") == 0) {
5105 		if (is_default)
5106 			return (ENOTSUP);
5107 		switch (nxgep->mac.portmode) {
5108 		case PORT_1G_COPPER:
5109 			(void) snprintf(valstr, sizeof (valstr), "1G copper %s",
5110 			    nxgep->hot_swappable_phy ?
5111 			    "[Hot Swappable]" : "");
5112 			break;
5113 		case PORT_1G_FIBER:
5114 			(void) snprintf(valstr, sizeof (valstr), "1G fiber %s",
5115 			    nxgep->hot_swappable_phy ?
5116 			    "[hot swappable]" : "");
5117 			break;
5118 		case PORT_10G_COPPER:
5119 			(void) snprintf(valstr, sizeof (valstr),
5120 			    "10G copper %s",
5121 			    nxgep->hot_swappable_phy ?
5122 			    "[hot swappable]" : "");
5123 			break;
5124 		case PORT_10G_FIBER:
5125 			(void) snprintf(valstr, sizeof (valstr), "10G fiber %s",
5126 			    nxgep->hot_swappable_phy ?
5127 			    "[hot swappable]" : "");
5128 			break;
5129 		case PORT_10G_SERDES:
5130 			(void) snprintf(valstr, sizeof (valstr),
5131 			    "10G serdes %s", nxgep->hot_swappable_phy ?
5132 			    "[hot swappable]" : "");
5133 			break;
5134 		case PORT_1G_SERDES:
5135 			(void) snprintf(valstr, sizeof (valstr), "1G serdes %s",
5136 			    nxgep->hot_swappable_phy ?
5137 			    "[hot swappable]" : "");
5138 			break;
5139 		case PORT_1G_RGMII_FIBER:
5140 			(void) snprintf(valstr, sizeof (valstr),
5141 			    "1G rgmii fiber %s", nxgep->hot_swappable_phy ?
5142 			    "[hot swappable]" : "");
5143 			break;
5144 		case PORT_HSP_MODE:
5145 			(void) snprintf(valstr, sizeof (valstr),
5146 			    "phy not present[hot swappable]");
5147 			break;
5148 		default:
5149 			(void) snprintf(valstr, sizeof (valstr), "unknown %s",
5150 			    nxgep->hot_swappable_phy ?
5151 			    "[hot swappable]" : "");
5152 			break;
5153 		}
5154 
5155 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5156 		    "==> nxge_get_priv_prop: name %s (value %s)",
5157 		    pr_name, valstr));
5158 
5159 		err = 0;
5160 		goto done;
5161 	}
5162 
5163 	/* Hot swappable PHY */
5164 	if (strcmp(pr_name, "_hot_swap_phy") == 0) {
5165 		if (is_default)
5166 			return (ENOTSUP);
5167 		(void) snprintf(valstr, sizeof (valstr), "%s",
5168 		    nxgep->hot_swappable_phy ?
5169 		    "yes" : "no");
5170 
5171 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5172 		    "==> nxge_get_priv_prop: name %s "
5173 		    "(value %d valstr %s)",
5174 		    pr_name, nxgep->hot_swappable_phy, valstr));
5175 
5176 		err = 0;
5177 		goto done;
5178 	}
5179 
5180 
5181 	/* accept jumbo */
5182 	if (strcmp(pr_name, "_accept_jumbo") == 0) {
5183 		if (is_default)
5184 			(void) snprintf(valstr, sizeof (valstr),  "%d", 0);
5185 		else
5186 			(void) snprintf(valstr, sizeof (valstr),
5187 			    "%d", nxgep->mac.is_jumbo);
5188 		err = 0;
5189 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5190 		    "==> nxge_get_priv_prop: name %s (value %d (%d, %d))",
5191 		    pr_name,
5192 		    (uint32_t)param_arr[param_accept_jumbo].value,
5193 		    nxgep->mac.is_jumbo,
5194 		    nxge_jumbo_enable));
5195 
5196 		goto done;
5197 	}
5198 
5199 	/* Receive Interrupt Blanking Parameters */
5200 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
5201 		err = 0;
5202 		if (is_default) {
5203 			(void) snprintf(valstr, sizeof (valstr),
5204 			    "%d", RXDMA_RCR_TO_DEFAULT);
5205 			goto done;
5206 		}
5207 
5208 		(void) snprintf(valstr, sizeof (valstr), "%d",
5209 		    nxgep->intr_timeout);
5210 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5211 		    "==> nxge_get_priv_prop: name %s (value %d)",
5212 		    pr_name,
5213 		    (uint32_t)nxgep->intr_timeout));
5214 		goto done;
5215 	}
5216 
5217 	if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
5218 		err = 0;
5219 		if (is_default) {
5220 			(void) snprintf(valstr, sizeof (valstr),
5221 			    "%d", RXDMA_RCR_PTHRES_DEFAULT);
5222 			goto done;
5223 		}
5224 		(void) snprintf(valstr, sizeof (valstr), "%d",
5225 		    nxgep->intr_threshold);
5226 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5227 		    "==> nxge_get_priv_prop: name %s (value %d)",
5228 		    pr_name, (uint32_t)nxgep->intr_threshold));
5229 
5230 		goto done;
5231 	}
5232 
5233 	/* Classification and Load Distribution Configuration */
5234 	if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
5235 		if (is_default) {
5236 			(void) snprintf(valstr, sizeof (valstr), "%x",
5237 			    NXGE_CLASS_FLOW_GEN_SERVER);
5238 			err = 0;
5239 			goto done;
5240 		}
5241 		err = nxge_dld_get_ip_opt(nxgep,
5242 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
5243 
5244 		(void) snprintf(valstr, sizeof (valstr), "%x",
5245 		    (int)param_arr[param_class_opt_ipv4_tcp].value);
5246 
5247 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5248 		    "==> nxge_get_priv_prop: %s", valstr));
5249 		goto done;
5250 	}
5251 
5252 	if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
5253 		if (is_default) {
5254 			(void) snprintf(valstr, sizeof (valstr), "%x",
5255 			    NXGE_CLASS_FLOW_GEN_SERVER);
5256 			err = 0;
5257 			goto done;
5258 		}
5259 		err = nxge_dld_get_ip_opt(nxgep,
5260 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
5261 
5262 		(void) snprintf(valstr, sizeof (valstr), "%x",
5263 		    (int)param_arr[param_class_opt_ipv4_udp].value);
5264 
5265 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5266 		    "==> nxge_get_priv_prop: %s", valstr));
5267 		goto done;
5268 	}
5269 	if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
5270 		if (is_default) {
5271 			(void) snprintf(valstr, sizeof (valstr), "%x",
5272 			    NXGE_CLASS_FLOW_GEN_SERVER);
5273 			err = 0;
5274 			goto done;
5275 		}
5276 		err = nxge_dld_get_ip_opt(nxgep,
5277 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
5278 
5279 		(void) snprintf(valstr, sizeof (valstr), "%x",
5280 		    (int)param_arr[param_class_opt_ipv4_ah].value);
5281 
5282 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5283 		    "==> nxge_get_priv_prop: %s", valstr));
5284 		goto done;
5285 	}
5286 
5287 	if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
5288 		if (is_default) {
5289 			(void) snprintf(valstr, sizeof (valstr), "%x",
5290 			    NXGE_CLASS_FLOW_GEN_SERVER);
5291 			err = 0;
5292 			goto done;
5293 		}
5294 		err = nxge_dld_get_ip_opt(nxgep,
5295 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
5296 
5297 		(void) snprintf(valstr, sizeof (valstr), "%x",
5298 		    (int)param_arr[param_class_opt_ipv4_sctp].value);
5299 
5300 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5301 		    "==> nxge_get_priv_prop: %s", valstr));
5302 		goto done;
5303 	}
5304 
5305 	if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
5306 		if (is_default) {
5307 			(void) snprintf(valstr, sizeof (valstr), "%x",
5308 			    NXGE_CLASS_FLOW_GEN_SERVER);
5309 			err = 0;
5310 			goto done;
5311 		}
5312 		err = nxge_dld_get_ip_opt(nxgep,
5313 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
5314 
5315 		(void) snprintf(valstr, sizeof (valstr), "%x",
5316 		    (int)param_arr[param_class_opt_ipv6_tcp].value);
5317 
5318 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5319 		    "==> nxge_get_priv_prop: %s", valstr));
5320 		goto done;
5321 	}
5322 
5323 	if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
5324 		if (is_default) {
5325 			(void) snprintf(valstr, sizeof (valstr), "%x",
5326 			    NXGE_CLASS_FLOW_GEN_SERVER);
5327 			err = 0;
5328 			goto done;
5329 		}
5330 		err = nxge_dld_get_ip_opt(nxgep,
5331 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
5332 
5333 		(void) snprintf(valstr, sizeof (valstr), "%x",
5334 		    (int)param_arr[param_class_opt_ipv6_udp].value);
5335 
5336 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5337 		    "==> nxge_get_priv_prop: %s", valstr));
5338 		goto done;
5339 	}
5340 
5341 	if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
5342 		if (is_default) {
5343 			(void) snprintf(valstr, sizeof (valstr), "%x",
5344 			    NXGE_CLASS_FLOW_GEN_SERVER);
5345 			err = 0;
5346 			goto done;
5347 		}
5348 		err = nxge_dld_get_ip_opt(nxgep,
5349 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
5350 
5351 		(void) snprintf(valstr, sizeof (valstr), "%x",
5352 		    (int)param_arr[param_class_opt_ipv6_ah].value);
5353 
5354 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5355 		    "==> nxge_get_priv_prop: %s", valstr));
5356 		goto done;
5357 	}
5358 
5359 	if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
5360 		if (is_default) {
5361 			(void) snprintf(valstr, sizeof (valstr), "%x",
5362 			    NXGE_CLASS_FLOW_GEN_SERVER);
5363 			err = 0;
5364 			goto done;
5365 		}
5366 		err = nxge_dld_get_ip_opt(nxgep,
5367 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
5368 
5369 		(void) snprintf(valstr, sizeof (valstr), "%x",
5370 		    (int)param_arr[param_class_opt_ipv6_sctp].value);
5371 
5372 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5373 		    "==> nxge_get_priv_prop: %s", valstr));
5374 		goto done;
5375 	}
5376 
5377 	/* Software LSO */
5378 	if (strcmp(pr_name, "_soft_lso_enable") == 0) {
5379 		if (is_default) {
5380 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5381 			err = 0;
5382 			goto done;
5383 		}
5384 		(void) snprintf(valstr, sizeof (valstr),
5385 		    "%d", nxgep->soft_lso_enable);
5386 		err = 0;
5387 		NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5388 		    "==> nxge_get_priv_prop: name %s (value %d)",
5389 		    pr_name, nxgep->soft_lso_enable));
5390 
5391 		goto done;
5392 	}
5393 	if (strcmp(pr_name, "_adv_10gfdx_cap") == 0) {
5394 		err = 0;
5395 		if (is_default ||
5396 		    nxgep->param_arr[param_anar_10gfdx].value != 0) {
5397 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5398 			goto done;
5399 		} else {
5400 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5401 			goto done;
5402 		}
5403 	}
5404 	if (strcmp(pr_name, "_adv_pause_cap") == 0) {
5405 		err = 0;
5406 		if (is_default ||
5407 		    nxgep->param_arr[param_anar_pause].value != 0) {
5408 			(void) snprintf(valstr, sizeof (valstr), "%d", 1);
5409 			goto done;
5410 		} else {
5411 			(void) snprintf(valstr, sizeof (valstr), "%d", 0);
5412 			goto done;
5413 		}
5414 	}
5415 
5416 done:
5417 	if (err == 0) {
5418 		strsize = (uint_t)strlen(valstr);
5419 		if (pr_valsize < strsize) {
5420 			err = ENOBUFS;
5421 		} else {
5422 			(void) strlcpy(pr_val, valstr, pr_valsize);
5423 		}
5424 	}
5425 
5426 	NXGE_DEBUG_MSG((nxgep, NXGE_CTL,
5427 	    "<== nxge_get_priv_prop: return %d", err));
5428 	return (err);
5429 }
5430 
5431 /*
5432  * Module loading and removing entry points.
5433  */
5434 
5435 static	struct cb_ops 	nxge_cb_ops = {
5436 	nodev,			/* cb_open */
5437 	nodev,			/* cb_close */
5438 	nodev,			/* cb_strategy */
5439 	nodev,			/* cb_print */
5440 	nodev,			/* cb_dump */
5441 	nodev,			/* cb_read */
5442 	nodev,			/* cb_write */
5443 	nodev,			/* cb_ioctl */
5444 	nodev,			/* cb_devmap */
5445 	nodev,			/* cb_mmap */
5446 	nodev,			/* cb_segmap */
5447 	nochpoll,		/* cb_chpoll */
5448 	ddi_prop_op,		/* cb_prop_op */
5449 	NULL,
5450 	D_MP, 			/* cb_flag */
5451 	CB_REV,			/* rev */
5452 	nodev,			/* int (*cb_aread)() */
5453 	nodev			/* int (*cb_awrite)() */
5454 };
5455 
5456 static struct dev_ops nxge_dev_ops = {
5457 	DEVO_REV,		/* devo_rev */
5458 	0,			/* devo_refcnt */
5459 	nulldev,
5460 	nulldev,		/* devo_identify */
5461 	nulldev,		/* devo_probe */
5462 	nxge_attach,		/* devo_attach */
5463 	nxge_detach,		/* devo_detach */
5464 	nodev,			/* devo_reset */
5465 	&nxge_cb_ops,		/* devo_cb_ops */
5466 	(struct bus_ops *)NULL, /* devo_bus_ops	*/
5467 	ddi_power		/* devo_power */
5468 };
5469 
5470 extern	struct	mod_ops	mod_driverops;
5471 
5472 #define	NXGE_DESC_VER		"Sun NIU 10Gb Ethernet"
5473 
5474 /*
5475  * Module linkage information for the kernel.
5476  */
5477 static struct modldrv 	nxge_modldrv = {
5478 	&mod_driverops,
5479 	NXGE_DESC_VER,
5480 	&nxge_dev_ops
5481 };
5482 
5483 static struct modlinkage modlinkage = {
5484 	MODREV_1, (void *) &nxge_modldrv, NULL
5485 };
5486 
5487 int
5488 _init(void)
5489 {
5490 	int		status;
5491 
5492 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
5493 	mac_init_ops(&nxge_dev_ops, "nxge");
5494 	status = ddi_soft_state_init(&nxge_list, sizeof (nxge_t), 0);
5495 	if (status != 0) {
5496 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL,
5497 		    "failed to init device soft state"));
5498 		goto _init_exit;
5499 	}
5500 	status = mod_install(&modlinkage);
5501 	if (status != 0) {
5502 		ddi_soft_state_fini(&nxge_list);
5503 		NXGE_ERROR_MSG((NULL, NXGE_ERR_CTL, "Mod install failed"));
5504 		goto _init_exit;
5505 	}
5506 
5507 	MUTEX_INIT(&nxge_common_lock, NULL, MUTEX_DRIVER, NULL);
5508 
5509 _init_exit:
5510 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
5511 
5512 	return (status);
5513 }
5514 
5515 int
5516 _fini(void)
5517 {
5518 	int		status;
5519 
5520 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
5521 
5522 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
5523 
5524 	if (nxge_mblks_pending)
5525 		return (EBUSY);
5526 
5527 	status = mod_remove(&modlinkage);
5528 	if (status != DDI_SUCCESS) {
5529 		NXGE_DEBUG_MSG((NULL, MOD_CTL,
5530 		    "Module removal failed 0x%08x",
5531 		    status));
5532 		goto _fini_exit;
5533 	}
5534 
5535 	mac_fini_ops(&nxge_dev_ops);
5536 
5537 	ddi_soft_state_fini(&nxge_list);
5538 
5539 	MUTEX_DESTROY(&nxge_common_lock);
5540 _fini_exit:
5541 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
5542 
5543 	return (status);
5544 }
5545 
5546 int
5547 _info(struct modinfo *modinfop)
5548 {
5549 	int		status;
5550 
5551 	NXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
5552 	status = mod_info(&modlinkage, modinfop);
5553 	NXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
5554 
5555 	return (status);
5556 }
5557 
5558 /*ARGSUSED*/
5559 static nxge_status_t
5560 nxge_add_intrs(p_nxge_t nxgep)
5561 {
5562 
5563 	int		intr_types;
5564 	int		type = 0;
5565 	int		ddi_status = DDI_SUCCESS;
5566 	nxge_status_t	status = NXGE_OK;
5567 
5568 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs"));
5569 
5570 	nxgep->nxge_intr_type.intr_registered = B_FALSE;
5571 	nxgep->nxge_intr_type.intr_enabled = B_FALSE;
5572 	nxgep->nxge_intr_type.msi_intx_cnt = 0;
5573 	nxgep->nxge_intr_type.intr_added = 0;
5574 	nxgep->nxge_intr_type.niu_msi_enable = B_FALSE;
5575 	nxgep->nxge_intr_type.intr_type = 0;
5576 
5577 	if (nxgep->niu_type == N2_NIU) {
5578 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5579 	} else if (nxge_msi_enable) {
5580 		nxgep->nxge_intr_type.niu_msi_enable = B_TRUE;
5581 	}
5582 
5583 	/* Get the supported interrupt types */
5584 	if ((ddi_status = ddi_intr_get_supported_types(nxgep->dip, &intr_types))
5585 	    != DDI_SUCCESS) {
5586 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_intrs: "
5587 		    "ddi_intr_get_supported_types failed: status 0x%08x",
5588 		    ddi_status));
5589 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5590 	}
5591 	nxgep->nxge_intr_type.intr_types = intr_types;
5592 
5593 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5594 	    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5595 
5596 	/*
5597 	 * Solaris MSIX is not supported yet. use MSI for now.
5598 	 * nxge_msi_enable (1):
5599 	 *	1 - MSI		2 - MSI-X	others - FIXED
5600 	 */
5601 	switch (nxge_msi_enable) {
5602 	default:
5603 		type = DDI_INTR_TYPE_FIXED;
5604 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5605 		    "use fixed (intx emulation) type %08x",
5606 		    type));
5607 		break;
5608 
5609 	case 2:
5610 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5611 		    "ddi_intr_get_supported_types: 0x%08x", intr_types));
5612 		if (intr_types & DDI_INTR_TYPE_MSIX) {
5613 			type = DDI_INTR_TYPE_MSIX;
5614 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5615 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5616 			    type));
5617 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
5618 			type = DDI_INTR_TYPE_MSI;
5619 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5620 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5621 			    type));
5622 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5623 			type = DDI_INTR_TYPE_FIXED;
5624 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5625 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5626 			    type));
5627 		}
5628 		break;
5629 
5630 	case 1:
5631 		if (intr_types & DDI_INTR_TYPE_MSI) {
5632 			type = DDI_INTR_TYPE_MSI;
5633 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs: "
5634 			    "ddi_intr_get_supported_types: MSI 0x%08x",
5635 			    type));
5636 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
5637 			type = DDI_INTR_TYPE_MSIX;
5638 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5639 			    "ddi_intr_get_supported_types: MSIX 0x%08x",
5640 			    type));
5641 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
5642 			type = DDI_INTR_TYPE_FIXED;
5643 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5644 			    "ddi_intr_get_supported_types: MSXED0x%08x",
5645 			    type));
5646 		}
5647 	}
5648 
5649 	nxgep->nxge_intr_type.intr_type = type;
5650 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
5651 	    type == DDI_INTR_TYPE_FIXED) &&
5652 	    nxgep->nxge_intr_type.niu_msi_enable) {
5653 		if ((status = nxge_add_intrs_adv(nxgep)) != DDI_SUCCESS) {
5654 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5655 			    " nxge_add_intrs: "
5656 			    " nxge_add_intrs_adv failed: status 0x%08x",
5657 			    status));
5658 			return (status);
5659 		} else {
5660 			NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs: "
5661 			    "interrupts registered : type %d", type));
5662 			nxgep->nxge_intr_type.intr_registered = B_TRUE;
5663 
5664 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5665 			    "\nAdded advanced nxge add_intr_adv "
5666 			    "intr type 0x%x\n", type));
5667 
5668 			return (status);
5669 		}
5670 	}
5671 
5672 	if (!nxgep->nxge_intr_type.intr_registered) {
5673 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "==> nxge_add_intrs: "
5674 		    "failed to register interrupts"));
5675 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5676 	}
5677 
5678 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_add_intrs"));
5679 	return (status);
5680 }
5681 
5682 /*ARGSUSED*/
5683 static nxge_status_t
5684 nxge_add_soft_intrs(p_nxge_t nxgep)
5685 {
5686 
5687 	int		ddi_status = DDI_SUCCESS;
5688 	nxge_status_t	status = NXGE_OK;
5689 
5690 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_soft_intrs"));
5691 
5692 	nxgep->resched_id = NULL;
5693 	nxgep->resched_running = B_FALSE;
5694 	ddi_status = ddi_add_softintr(nxgep->dip, DDI_SOFTINT_LOW,
5695 	    &nxgep->resched_id,
5696 	    NULL, NULL, nxge_reschedule, (caddr_t)nxgep);
5697 	if (ddi_status != DDI_SUCCESS) {
5698 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_add_soft_intrs: "
5699 		    "ddi_add_softintrs failed: status 0x%08x",
5700 		    ddi_status));
5701 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5702 	}
5703 
5704 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_ddi_add_soft_intrs"));
5705 
5706 	return (status);
5707 }
5708 
5709 static nxge_status_t
5710 nxge_add_intrs_adv(p_nxge_t nxgep)
5711 {
5712 	int		intr_type;
5713 	p_nxge_intr_t	intrp;
5714 
5715 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv"));
5716 
5717 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5718 	intr_type = intrp->intr_type;
5719 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_add_intrs_adv: type 0x%x",
5720 	    intr_type));
5721 
5722 	switch (intr_type) {
5723 	case DDI_INTR_TYPE_MSI: /* 0x2 */
5724 	case DDI_INTR_TYPE_MSIX: /* 0x4 */
5725 		return (nxge_add_intrs_adv_type(nxgep, intr_type));
5726 
5727 	case DDI_INTR_TYPE_FIXED: /* 0x1 */
5728 		return (nxge_add_intrs_adv_type_fix(nxgep, intr_type));
5729 
5730 	default:
5731 		return (NXGE_ERROR);
5732 	}
5733 }
5734 
5735 
5736 /*ARGSUSED*/
5737 static nxge_status_t
5738 nxge_add_intrs_adv_type(p_nxge_t nxgep, uint32_t int_type)
5739 {
5740 	dev_info_t		*dip = nxgep->dip;
5741 	p_nxge_ldg_t		ldgp;
5742 	p_nxge_intr_t		intrp;
5743 	uint_t			*inthandler;
5744 	void			*arg1, *arg2;
5745 	int			behavior;
5746 	int			nintrs, navail, nrequest;
5747 	int			nactual, nrequired;
5748 	int			inum = 0;
5749 	int			x, y;
5750 	int			ddi_status = DDI_SUCCESS;
5751 	nxge_status_t		status = NXGE_OK;
5752 
5753 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type"));
5754 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5755 	intrp->start_inum = 0;
5756 
5757 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
5758 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
5759 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5760 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
5761 		    "nintrs: %d", ddi_status, nintrs));
5762 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5763 	}
5764 
5765 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
5766 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
5767 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5768 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
5769 		    "nintrs: %d", ddi_status, navail));
5770 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5771 	}
5772 
5773 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
5774 	    "ddi_intr_get_navail() returned: nintrs %d, navail %d",
5775 	    nintrs, navail));
5776 
5777 	/* PSARC/2007/453 MSI-X interrupt limit override */
5778 	if (int_type == DDI_INTR_TYPE_MSIX) {
5779 		nrequest = nxge_create_msi_property(nxgep);
5780 		if (nrequest < navail) {
5781 			navail = nrequest;
5782 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5783 			    "nxge_add_intrs_adv_type: nintrs %d "
5784 			    "navail %d (nrequest %d)",
5785 			    nintrs, navail, nrequest));
5786 		}
5787 	}
5788 
5789 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
5790 		/* MSI must be power of 2 */
5791 		if ((navail & 16) == 16) {
5792 			navail = 16;
5793 		} else if ((navail & 8) == 8) {
5794 			navail = 8;
5795 		} else if ((navail & 4) == 4) {
5796 			navail = 4;
5797 		} else if ((navail & 2) == 2) {
5798 			navail = 2;
5799 		} else {
5800 			navail = 1;
5801 		}
5802 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5803 		    "ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
5804 		    "navail %d", nintrs, navail));
5805 	}
5806 
5807 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
5808 	    DDI_INTR_ALLOC_NORMAL);
5809 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
5810 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
5811 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
5812 	    navail, &nactual, behavior);
5813 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
5814 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5815 		    " ddi_intr_alloc() failed: %d",
5816 		    ddi_status));
5817 		kmem_free(intrp->htable, intrp->intr_size);
5818 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5819 	}
5820 
5821 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
5822 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
5823 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5824 		    " ddi_intr_get_pri() failed: %d",
5825 		    ddi_status));
5826 		/* Free already allocated interrupts */
5827 		for (y = 0; y < nactual; y++) {
5828 			(void) ddi_intr_free(intrp->htable[y]);
5829 		}
5830 
5831 		kmem_free(intrp->htable, intrp->intr_size);
5832 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5833 	}
5834 
5835 	nrequired = 0;
5836 	switch (nxgep->niu_type) {
5837 	default:
5838 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
5839 		break;
5840 
5841 	case N2_NIU:
5842 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
5843 		break;
5844 	}
5845 
5846 	if (status != NXGE_OK) {
5847 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5848 		    "nxge_add_intrs_adv_typ:nxge_ldgv_init "
5849 		    "failed: 0x%x", status));
5850 		/* Free already allocated interrupts */
5851 		for (y = 0; y < nactual; y++) {
5852 			(void) ddi_intr_free(intrp->htable[y]);
5853 		}
5854 
5855 		kmem_free(intrp->htable, intrp->intr_size);
5856 		return (status);
5857 	}
5858 
5859 	ldgp = nxgep->ldgvp->ldgp;
5860 	for (x = 0; x < nrequired; x++, ldgp++) {
5861 		ldgp->vector = (uint8_t)x;
5862 		ldgp->intdata = SID_DATA(ldgp->func, x);
5863 		arg1 = ldgp->ldvp;
5864 		arg2 = nxgep;
5865 		if (ldgp->nldvs == 1) {
5866 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
5867 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5868 			    "nxge_add_intrs_adv_type: "
5869 			    "arg1 0x%x arg2 0x%x: "
5870 			    "1-1 int handler (entry %d intdata 0x%x)\n",
5871 			    arg1, arg2,
5872 			    x, ldgp->intdata));
5873 		} else if (ldgp->nldvs > 1) {
5874 			inthandler = (uint_t *)ldgp->sys_intr_handler;
5875 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
5876 			    "nxge_add_intrs_adv_type: "
5877 			    "arg1 0x%x arg2 0x%x: "
5878 			    "nldevs %d int handler "
5879 			    "(entry %d intdata 0x%x)\n",
5880 			    arg1, arg2,
5881 			    ldgp->nldvs, x, ldgp->intdata));
5882 		}
5883 
5884 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5885 		    "==> nxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
5886 		    "htable 0x%llx", x, intrp->htable[x]));
5887 
5888 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
5889 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
5890 		    != DDI_SUCCESS) {
5891 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5892 			    "==> nxge_add_intrs_adv_type: failed #%d "
5893 			    "status 0x%x", x, ddi_status));
5894 			for (y = 0; y < intrp->intr_added; y++) {
5895 				(void) ddi_intr_remove_handler(
5896 				    intrp->htable[y]);
5897 			}
5898 			/* Free already allocated intr */
5899 			for (y = 0; y < nactual; y++) {
5900 				(void) ddi_intr_free(intrp->htable[y]);
5901 			}
5902 			kmem_free(intrp->htable, intrp->intr_size);
5903 
5904 			(void) nxge_ldgv_uninit(nxgep);
5905 
5906 			return (NXGE_ERROR | NXGE_DDI_FAILED);
5907 		}
5908 		intrp->intr_added++;
5909 	}
5910 
5911 	intrp->msi_intx_cnt = nactual;
5912 
5913 	NXGE_DEBUG_MSG((nxgep, DDI_CTL,
5914 	    "Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
5915 	    navail, nactual,
5916 	    intrp->msi_intx_cnt,
5917 	    intrp->intr_added));
5918 
5919 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
5920 
5921 	(void) nxge_intr_ldgv_init(nxgep);
5922 
5923 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type"));
5924 
5925 	return (status);
5926 }
5927 
5928 /*ARGSUSED*/
5929 static nxge_status_t
5930 nxge_add_intrs_adv_type_fix(p_nxge_t nxgep, uint32_t int_type)
5931 {
5932 	dev_info_t		*dip = nxgep->dip;
5933 	p_nxge_ldg_t		ldgp;
5934 	p_nxge_intr_t		intrp;
5935 	uint_t			*inthandler;
5936 	void			*arg1, *arg2;
5937 	int			behavior;
5938 	int			nintrs, navail;
5939 	int			nactual, nrequired;
5940 	int			inum = 0;
5941 	int			x, y;
5942 	int			ddi_status = DDI_SUCCESS;
5943 	nxge_status_t		status = NXGE_OK;
5944 
5945 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_add_intrs_adv_type_fix"));
5946 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
5947 	intrp->start_inum = 0;
5948 
5949 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
5950 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
5951 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
5952 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
5953 		    "nintrs: %d", status, nintrs));
5954 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5955 	}
5956 
5957 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
5958 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
5959 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5960 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
5961 		    "nintrs: %d", ddi_status, navail));
5962 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5963 	}
5964 
5965 	NXGE_DEBUG_MSG((nxgep, INT_CTL,
5966 	    "ddi_intr_get_navail() returned: nintrs %d, naavail %d",
5967 	    nintrs, navail));
5968 
5969 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
5970 	    DDI_INTR_ALLOC_NORMAL);
5971 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
5972 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
5973 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
5974 	    navail, &nactual, behavior);
5975 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
5976 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5977 		    " ddi_intr_alloc() failed: %d",
5978 		    ddi_status));
5979 		kmem_free(intrp->htable, intrp->intr_size);
5980 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5981 	}
5982 
5983 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
5984 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
5985 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
5986 		    " ddi_intr_get_pri() failed: %d",
5987 		    ddi_status));
5988 		/* Free already allocated interrupts */
5989 		for (y = 0; y < nactual; y++) {
5990 			(void) ddi_intr_free(intrp->htable[y]);
5991 		}
5992 
5993 		kmem_free(intrp->htable, intrp->intr_size);
5994 		return (NXGE_ERROR | NXGE_DDI_FAILED);
5995 	}
5996 
5997 	nrequired = 0;
5998 	switch (nxgep->niu_type) {
5999 	default:
6000 		status = nxge_ldgv_init(nxgep, &nactual, &nrequired);
6001 		break;
6002 
6003 	case N2_NIU:
6004 		status = nxge_ldgv_init_n2(nxgep, &nactual, &nrequired);
6005 		break;
6006 	}
6007 
6008 	if (status != NXGE_OK) {
6009 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6010 		    "nxge_add_intrs_adv_type_fix:nxge_ldgv_init "
6011 		    "failed: 0x%x", status));
6012 		/* Free already allocated interrupts */
6013 		for (y = 0; y < nactual; y++) {
6014 			(void) ddi_intr_free(intrp->htable[y]);
6015 		}
6016 
6017 		kmem_free(intrp->htable, intrp->intr_size);
6018 		return (status);
6019 	}
6020 
6021 	ldgp = nxgep->ldgvp->ldgp;
6022 	for (x = 0; x < nrequired; x++, ldgp++) {
6023 		ldgp->vector = (uint8_t)x;
6024 		if (nxgep->niu_type != N2_NIU) {
6025 			ldgp->intdata = SID_DATA(ldgp->func, x);
6026 		}
6027 
6028 		arg1 = ldgp->ldvp;
6029 		arg2 = nxgep;
6030 		if (ldgp->nldvs == 1) {
6031 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
6032 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6033 			    "nxge_add_intrs_adv_type_fix: "
6034 			    "1-1 int handler(%d) ldg %d ldv %d "
6035 			    "arg1 $%p arg2 $%p\n",
6036 			    x, ldgp->ldg, ldgp->ldvp->ldv,
6037 			    arg1, arg2));
6038 		} else if (ldgp->nldvs > 1) {
6039 			inthandler = (uint_t *)ldgp->sys_intr_handler;
6040 			NXGE_DEBUG_MSG((nxgep, INT_CTL,
6041 			    "nxge_add_intrs_adv_type_fix: "
6042 			    "shared ldv %d int handler(%d) ldv %d ldg %d"
6043 			    "arg1 0x%016llx arg2 0x%016llx\n",
6044 			    x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
6045 			    arg1, arg2));
6046 		}
6047 
6048 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
6049 		    (ddi_intr_handler_t *)inthandler, arg1, arg2))
6050 		    != DDI_SUCCESS) {
6051 			NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL,
6052 			    "==> nxge_add_intrs_adv_type_fix: failed #%d "
6053 			    "status 0x%x", x, ddi_status));
6054 			for (y = 0; y < intrp->intr_added; y++) {
6055 				(void) ddi_intr_remove_handler(
6056 				    intrp->htable[y]);
6057 			}
6058 			for (y = 0; y < nactual; y++) {
6059 				(void) ddi_intr_free(intrp->htable[y]);
6060 			}
6061 			/* Free already allocated intr */
6062 			kmem_free(intrp->htable, intrp->intr_size);
6063 
6064 			(void) nxge_ldgv_uninit(nxgep);
6065 
6066 			return (NXGE_ERROR | NXGE_DDI_FAILED);
6067 		}
6068 		intrp->intr_added++;
6069 	}
6070 
6071 	intrp->msi_intx_cnt = nactual;
6072 
6073 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
6074 
6075 	status = nxge_intr_ldgv_init(nxgep);
6076 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_add_intrs_adv_type_fix"));
6077 
6078 	return (status);
6079 }
6080 
6081 static void
6082 nxge_remove_intrs(p_nxge_t nxgep)
6083 {
6084 	int		i, inum;
6085 	p_nxge_intr_t	intrp;
6086 
6087 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs"));
6088 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6089 	if (!intrp->intr_registered) {
6090 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6091 		    "<== nxge_remove_intrs: interrupts not registered"));
6092 		return;
6093 	}
6094 
6095 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_intrs:advanced"));
6096 
6097 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6098 		(void) ddi_intr_block_disable(intrp->htable,
6099 		    intrp->intr_added);
6100 	} else {
6101 		for (i = 0; i < intrp->intr_added; i++) {
6102 			(void) ddi_intr_disable(intrp->htable[i]);
6103 		}
6104 	}
6105 
6106 	for (inum = 0; inum < intrp->intr_added; inum++) {
6107 		if (intrp->htable[inum]) {
6108 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
6109 		}
6110 	}
6111 
6112 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
6113 		if (intrp->htable[inum]) {
6114 			NXGE_DEBUG_MSG((nxgep, DDI_CTL,
6115 			    "nxge_remove_intrs: ddi_intr_free inum %d "
6116 			    "msi_intx_cnt %d intr_added %d",
6117 			    inum,
6118 			    intrp->msi_intx_cnt,
6119 			    intrp->intr_added));
6120 
6121 			(void) ddi_intr_free(intrp->htable[inum]);
6122 		}
6123 	}
6124 
6125 	kmem_free(intrp->htable, intrp->intr_size);
6126 	intrp->intr_registered = B_FALSE;
6127 	intrp->intr_enabled = B_FALSE;
6128 	intrp->msi_intx_cnt = 0;
6129 	intrp->intr_added = 0;
6130 
6131 	(void) nxge_ldgv_uninit(nxgep);
6132 
6133 	(void) ddi_prop_remove(DDI_DEV_T_NONE, nxgep->dip,
6134 	    "#msix-request");
6135 
6136 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_intrs"));
6137 }
6138 
6139 /*ARGSUSED*/
6140 static void
6141 nxge_remove_soft_intrs(p_nxge_t nxgep)
6142 {
6143 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_remove_soft_intrs"));
6144 	if (nxgep->resched_id) {
6145 		ddi_remove_softintr(nxgep->resched_id);
6146 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6147 		    "==> nxge_remove_soft_intrs: removed"));
6148 		nxgep->resched_id = NULL;
6149 	}
6150 
6151 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_remove_soft_intrs"));
6152 }
6153 
6154 /*ARGSUSED*/
6155 static void
6156 nxge_intrs_enable(p_nxge_t nxgep)
6157 {
6158 	p_nxge_intr_t	intrp;
6159 	int		i;
6160 	int		status;
6161 
6162 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable"));
6163 
6164 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6165 
6166 	if (!intrp->intr_registered) {
6167 		NXGE_ERROR_MSG((nxgep, NXGE_ERR_CTL, "<== nxge_intrs_enable: "
6168 		    "interrupts are not registered"));
6169 		return;
6170 	}
6171 
6172 	if (intrp->intr_enabled) {
6173 		NXGE_DEBUG_MSG((nxgep, INT_CTL,
6174 		    "<== nxge_intrs_enable: already enabled"));
6175 		return;
6176 	}
6177 
6178 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6179 		status = ddi_intr_block_enable(intrp->htable,
6180 		    intrp->intr_added);
6181 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6182 		    "block enable - status 0x%x total inums #%d\n",
6183 		    status, intrp->intr_added));
6184 	} else {
6185 		for (i = 0; i < intrp->intr_added; i++) {
6186 			status = ddi_intr_enable(intrp->htable[i]);
6187 			NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_enable "
6188 			    "ddi_intr_enable:enable - status 0x%x "
6189 			    "total inums %d enable inum #%d\n",
6190 			    status, intrp->intr_added, i));
6191 			if (status == DDI_SUCCESS) {
6192 				intrp->intr_enabled = B_TRUE;
6193 			}
6194 		}
6195 	}
6196 
6197 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_enable"));
6198 }
6199 
6200 /*ARGSUSED*/
6201 static void
6202 nxge_intrs_disable(p_nxge_t nxgep)
6203 {
6204 	p_nxge_intr_t	intrp;
6205 	int		i;
6206 
6207 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "==> nxge_intrs_disable"));
6208 
6209 	intrp = (p_nxge_intr_t)&nxgep->nxge_intr_type;
6210 
6211 	if (!intrp->intr_registered) {
6212 		NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable: "
6213 		    "interrupts are not registered"));
6214 		return;
6215 	}
6216 
6217 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
6218 		(void) ddi_intr_block_disable(intrp->htable,
6219 		    intrp->intr_added);
6220 	} else {
6221 		for (i = 0; i < intrp->intr_added; i++) {
6222 			(void) ddi_intr_disable(intrp->htable[i]);
6223 		}
6224 	}
6225 
6226 	intrp->intr_enabled = B_FALSE;
6227 	NXGE_DEBUG_MSG((nxgep, INT_CTL, "<== nxge_intrs_disable"));
6228 }
6229 
6230 static nxge_status_t
6231 nxge_mac_register(p_nxge_t nxgep)
6232 {
6233 	mac_register_t *macp;
6234 	int		status;
6235 
6236 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "==> nxge_mac_register"));
6237 
6238 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
6239 		return (NXGE_ERROR);
6240 
6241 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
6242 	macp->m_driver = nxgep;
6243 	macp->m_dip = nxgep->dip;
6244 	macp->m_src_addr = nxgep->ouraddr.ether_addr_octet;
6245 	macp->m_callbacks = &nxge_m_callbacks;
6246 	macp->m_min_sdu = 0;
6247 	nxgep->mac.default_mtu = nxgep->mac.maxframesize -
6248 	    NXGE_EHEADER_VLAN_CRC;
6249 	macp->m_max_sdu = nxgep->mac.default_mtu;
6250 	macp->m_margin = VLAN_TAGSZ;
6251 	macp->m_priv_props = nxge_priv_props;
6252 	macp->m_priv_prop_count = NXGE_MAX_PRIV_PROPS;
6253 
6254 	NXGE_DEBUG_MSG((nxgep, MAC_CTL,
6255 	    "==> nxge_mac_register: instance %d "
6256 	    "max_sdu %d margin %d maxframe %d (header %d)",
6257 	    nxgep->instance,
6258 	    macp->m_max_sdu, macp->m_margin,
6259 	    nxgep->mac.maxframesize,
6260 	    NXGE_EHEADER_VLAN_CRC));
6261 
6262 	status = mac_register(macp, &nxgep->mach);
6263 	mac_free(macp);
6264 
6265 	if (status != 0) {
6266 		cmn_err(CE_WARN,
6267 		    "!nxge_mac_register failed (status %d instance %d)",
6268 		    status, nxgep->instance);
6269 		return (NXGE_ERROR);
6270 	}
6271 
6272 	NXGE_DEBUG_MSG((nxgep, DDI_CTL, "<== nxge_mac_register success "
6273 	    "(instance %d)", nxgep->instance));
6274 
6275 	return (NXGE_OK);
6276 }
6277 
6278 void
6279 nxge_err_inject(p_nxge_t nxgep, queue_t *wq, mblk_t *mp)
6280 {
6281 	ssize_t		size;
6282 	mblk_t		*nmp;
6283 	uint8_t		blk_id;
6284 	uint8_t		chan;
6285 	uint32_t	err_id;
6286 	err_inject_t	*eip;
6287 
6288 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "==> nxge_err_inject"));
6289 
6290 	size = 1024;
6291 	nmp = mp->b_cont;
6292 	eip = (err_inject_t *)nmp->b_rptr;
6293 	blk_id = eip->blk_id;
6294 	err_id = eip->err_id;
6295 	chan = eip->chan;
6296 	cmn_err(CE_NOTE, "!blk_id = 0x%x\n", blk_id);
6297 	cmn_err(CE_NOTE, "!err_id = 0x%x\n", err_id);
6298 	cmn_err(CE_NOTE, "!chan = 0x%x\n", chan);
6299 	switch (blk_id) {
6300 	case MAC_BLK_ID:
6301 		break;
6302 	case TXMAC_BLK_ID:
6303 		break;
6304 	case RXMAC_BLK_ID:
6305 		break;
6306 	case MIF_BLK_ID:
6307 		break;
6308 	case IPP_BLK_ID:
6309 		nxge_ipp_inject_err(nxgep, err_id);
6310 		break;
6311 	case TXC_BLK_ID:
6312 		nxge_txc_inject_err(nxgep, err_id);
6313 		break;
6314 	case TXDMA_BLK_ID:
6315 		nxge_txdma_inject_err(nxgep, err_id, chan);
6316 		break;
6317 	case RXDMA_BLK_ID:
6318 		nxge_rxdma_inject_err(nxgep, err_id, chan);
6319 		break;
6320 	case ZCP_BLK_ID:
6321 		nxge_zcp_inject_err(nxgep, err_id);
6322 		break;
6323 	case ESPC_BLK_ID:
6324 		break;
6325 	case FFLP_BLK_ID:
6326 		break;
6327 	case PHY_BLK_ID:
6328 		break;
6329 	case ETHER_SERDES_BLK_ID:
6330 		break;
6331 	case PCIE_SERDES_BLK_ID:
6332 		break;
6333 	case VIR_BLK_ID:
6334 		break;
6335 	}
6336 
6337 	nmp->b_wptr = nmp->b_rptr + size;
6338 	NXGE_DEBUG_MSG((nxgep, STR_CTL, "<== nxge_err_inject"));
6339 
6340 	miocack(wq, mp, (int)size, 0);
6341 }
6342 
6343 static int
6344 nxge_init_common_dev(p_nxge_t nxgep)
6345 {
6346 	p_nxge_hw_list_t	hw_p;
6347 	dev_info_t 		*p_dip;
6348 
6349 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_init_common_device"));
6350 
6351 	p_dip = nxgep->p_dip;
6352 	MUTEX_ENTER(&nxge_common_lock);
6353 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6354 	    "==> nxge_init_common_dev:func # %d",
6355 	    nxgep->function_num));
6356 	/*
6357 	 * Loop through existing per neptune hardware list.
6358 	 */
6359 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6360 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6361 		    "==> nxge_init_common_device:func # %d "
6362 		    "hw_p $%p parent dip $%p",
6363 		    nxgep->function_num,
6364 		    hw_p,
6365 		    p_dip));
6366 		if (hw_p->parent_devp == p_dip) {
6367 			nxgep->nxge_hw_p = hw_p;
6368 			hw_p->ndevs++;
6369 			hw_p->nxge_p[nxgep->function_num] = nxgep;
6370 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6371 			    "==> nxge_init_common_device:func # %d "
6372 			    "hw_p $%p parent dip $%p "
6373 			    "ndevs %d (found)",
6374 			    nxgep->function_num,
6375 			    hw_p,
6376 			    p_dip,
6377 			    hw_p->ndevs));
6378 			break;
6379 		}
6380 	}
6381 
6382 	if (hw_p == NULL) {
6383 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6384 		    "==> nxge_init_common_device:func # %d "
6385 		    "parent dip $%p (new)",
6386 		    nxgep->function_num,
6387 		    p_dip));
6388 		hw_p = kmem_zalloc(sizeof (nxge_hw_list_t), KM_SLEEP);
6389 		hw_p->parent_devp = p_dip;
6390 		hw_p->magic = NXGE_NEPTUNE_MAGIC;
6391 		nxgep->nxge_hw_p = hw_p;
6392 		hw_p->ndevs++;
6393 		hw_p->nxge_p[nxgep->function_num] = nxgep;
6394 		hw_p->next = nxge_hw_list;
6395 		if (nxgep->niu_type == N2_NIU) {
6396 			hw_p->niu_type = N2_NIU;
6397 			hw_p->platform_type = P_NEPTUNE_NIU;
6398 		} else {
6399 			hw_p->niu_type = NIU_TYPE_NONE;
6400 			hw_p->platform_type = P_NEPTUNE_NONE;
6401 		}
6402 
6403 		MUTEX_INIT(&hw_p->nxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
6404 		MUTEX_INIT(&hw_p->nxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
6405 		MUTEX_INIT(&hw_p->nxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
6406 		MUTEX_INIT(&hw_p->nxge_mdio_lock, NULL, MUTEX_DRIVER, NULL);
6407 
6408 		nxge_hw_list = hw_p;
6409 
6410 		(void) nxge_scan_ports_phy(nxgep, nxge_hw_list);
6411 	}
6412 
6413 	MUTEX_EXIT(&nxge_common_lock);
6414 
6415 	nxgep->platform_type = hw_p->platform_type;
6416 	if (nxgep->niu_type != N2_NIU) {
6417 		nxgep->niu_type = hw_p->niu_type;
6418 	}
6419 
6420 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6421 	    "==> nxge_init_common_device (nxge_hw_list) $%p",
6422 	    nxge_hw_list));
6423 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<== nxge_init_common_device"));
6424 
6425 	return (NXGE_OK);
6426 }
6427 
6428 static void
6429 nxge_uninit_common_dev(p_nxge_t nxgep)
6430 {
6431 	p_nxge_hw_list_t	hw_p, h_hw_p;
6432 	dev_info_t 		*p_dip;
6433 
6434 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==> nxge_uninit_common_device"));
6435 	if (nxgep->nxge_hw_p == NULL) {
6436 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6437 		    "<== nxge_uninit_common_device (no common)"));
6438 		return;
6439 	}
6440 
6441 	MUTEX_ENTER(&nxge_common_lock);
6442 	h_hw_p = nxge_hw_list;
6443 	for (hw_p = nxge_hw_list; hw_p; hw_p = hw_p->next) {
6444 		p_dip = hw_p->parent_devp;
6445 		if (nxgep->nxge_hw_p == hw_p &&
6446 		    p_dip == nxgep->p_dip &&
6447 		    nxgep->nxge_hw_p->magic == NXGE_NEPTUNE_MAGIC &&
6448 		    hw_p->magic == NXGE_NEPTUNE_MAGIC) {
6449 
6450 			NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6451 			    "==> nxge_uninit_common_device:func # %d "
6452 			    "hw_p $%p parent dip $%p "
6453 			    "ndevs %d (found)",
6454 			    nxgep->function_num,
6455 			    hw_p,
6456 			    p_dip,
6457 			    hw_p->ndevs));
6458 
6459 			if (hw_p->ndevs) {
6460 				hw_p->ndevs--;
6461 			}
6462 			hw_p->nxge_p[nxgep->function_num] = NULL;
6463 			if (!hw_p->ndevs) {
6464 				MUTEX_DESTROY(&hw_p->nxge_vlan_lock);
6465 				MUTEX_DESTROY(&hw_p->nxge_tcam_lock);
6466 				MUTEX_DESTROY(&hw_p->nxge_cfg_lock);
6467 				MUTEX_DESTROY(&hw_p->nxge_mdio_lock);
6468 				NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6469 				    "==> nxge_uninit_common_device: "
6470 				    "func # %d "
6471 				    "hw_p $%p parent dip $%p "
6472 				    "ndevs %d (last)",
6473 				    nxgep->function_num,
6474 				    hw_p,
6475 				    p_dip,
6476 				    hw_p->ndevs));
6477 
6478 				nxge_hio_uninit(nxgep);
6479 
6480 				if (hw_p == nxge_hw_list) {
6481 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6482 					    "==> nxge_uninit_common_device:"
6483 					    "remove head func # %d "
6484 					    "hw_p $%p parent dip $%p "
6485 					    "ndevs %d (head)",
6486 					    nxgep->function_num,
6487 					    hw_p,
6488 					    p_dip,
6489 					    hw_p->ndevs));
6490 					nxge_hw_list = hw_p->next;
6491 				} else {
6492 					NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6493 					    "==> nxge_uninit_common_device:"
6494 					    "remove middle func # %d "
6495 					    "hw_p $%p parent dip $%p "
6496 					    "ndevs %d (middle)",
6497 					    nxgep->function_num,
6498 					    hw_p,
6499 					    p_dip,
6500 					    hw_p->ndevs));
6501 					h_hw_p->next = hw_p->next;
6502 				}
6503 
6504 				nxgep->nxge_hw_p = NULL;
6505 				KMEM_FREE(hw_p, sizeof (nxge_hw_list_t));
6506 			}
6507 			break;
6508 		} else {
6509 			h_hw_p = hw_p;
6510 		}
6511 	}
6512 
6513 	MUTEX_EXIT(&nxge_common_lock);
6514 	NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6515 	    "==> nxge_uninit_common_device (nxge_hw_list) $%p",
6516 	    nxge_hw_list));
6517 
6518 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<= nxge_uninit_common_device"));
6519 }
6520 
6521 /*
6522  * Determines the number of ports from the niu_type or the platform type.
6523  * Returns the number of ports, or returns zero on failure.
6524  */
6525 
6526 int
6527 nxge_get_nports(p_nxge_t nxgep)
6528 {
6529 	int	nports = 0;
6530 
6531 	switch (nxgep->niu_type) {
6532 	case N2_NIU:
6533 	case NEPTUNE_2_10GF:
6534 		nports = 2;
6535 		break;
6536 	case NEPTUNE_4_1GC:
6537 	case NEPTUNE_2_10GF_2_1GC:
6538 	case NEPTUNE_1_10GF_3_1GC:
6539 	case NEPTUNE_1_1GC_1_10GF_2_1GC:
6540 	case NEPTUNE_2_10GF_2_1GRF:
6541 		nports = 4;
6542 		break;
6543 	default:
6544 		switch (nxgep->platform_type) {
6545 		case P_NEPTUNE_NIU:
6546 		case P_NEPTUNE_ATLAS_2PORT:
6547 			nports = 2;
6548 			break;
6549 		case P_NEPTUNE_ATLAS_4PORT:
6550 		case P_NEPTUNE_MARAMBA_P0:
6551 		case P_NEPTUNE_MARAMBA_P1:
6552 		case P_NEPTUNE_ALONSO:
6553 			nports = 4;
6554 			break;
6555 		default:
6556 			break;
6557 		}
6558 		break;
6559 	}
6560 
6561 	return (nports);
6562 }
6563 
6564 /*
6565  * The following two functions are to support
6566  * PSARC/2007/453 MSI-X interrupt limit override.
6567  */
6568 static int
6569 nxge_create_msi_property(p_nxge_t nxgep)
6570 {
6571 	int	nmsi;
6572 	extern	int ncpus;
6573 
6574 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "==>nxge_create_msi_property"));
6575 
6576 	switch (nxgep->mac.portmode) {
6577 	case PORT_10G_COPPER:
6578 	case PORT_10G_FIBER:
6579 		(void) ddi_prop_create(DDI_DEV_T_NONE, nxgep->dip,
6580 		    DDI_PROP_CANSLEEP, "#msix-request", NULL, 0);
6581 		/*
6582 		 * The maximum MSI-X requested will be 8.
6583 		 * If the # of CPUs is less than 8, we will reqeust
6584 		 * # MSI-X based on the # of CPUs.
6585 		 */
6586 		if (ncpus >= NXGE_MSIX_REQUEST_10G) {
6587 			nmsi = NXGE_MSIX_REQUEST_10G;
6588 		} else {
6589 			nmsi = ncpus;
6590 		}
6591 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6592 		    "==>nxge_create_msi_property(10G): exists 0x%x (nmsi %d)",
6593 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6594 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6595 		break;
6596 
6597 	default:
6598 		nmsi = NXGE_MSIX_REQUEST_1G;
6599 		NXGE_DEBUG_MSG((nxgep, MOD_CTL,
6600 		    "==>nxge_create_msi_property(1G): exists 0x%x (nmsi %d)",
6601 		    ddi_prop_exists(DDI_DEV_T_NONE, nxgep->dip,
6602 		    DDI_PROP_CANSLEEP, "#msix-request"), nmsi));
6603 		break;
6604 	}
6605 
6606 	NXGE_DEBUG_MSG((nxgep, MOD_CTL, "<==nxge_create_msi_property"));
6607 	return (nmsi);
6608 }
6609 
6610 /* ARGSUSED */
6611 static int
6612 nxge_get_def_val(nxge_t *nxgep, mac_prop_id_t pr_num, uint_t pr_valsize,
6613     void *pr_val)
6614 {
6615 	int err = 0;
6616 	link_flowctrl_t fl;
6617 
6618 	switch (pr_num) {
6619 	case DLD_PROP_AUTONEG:
6620 		*(uint8_t *)pr_val = 1;
6621 		break;
6622 	case DLD_PROP_FLOWCTRL:
6623 		if (pr_valsize < sizeof (link_flowctrl_t))
6624 			return (EINVAL);
6625 		fl = LINK_FLOWCTRL_RX;
6626 		bcopy(&fl, pr_val, sizeof (fl));
6627 		break;
6628 	case DLD_PROP_ADV_1000FDX_CAP:
6629 	case DLD_PROP_EN_1000FDX_CAP:
6630 		*(uint8_t *)pr_val = 1;
6631 		break;
6632 	case DLD_PROP_ADV_100FDX_CAP:
6633 	case DLD_PROP_EN_100FDX_CAP:
6634 		*(uint8_t *)pr_val = 1;
6635 		break;
6636 	default:
6637 		err = ENOTSUP;
6638 		break;
6639 	}
6640 	return (err);
6641 }
6642