xref: /illumos-gate/usr/src/uts/common/io/hxge/hxge_main.c (revision da14cebe)
1 /*
2  * CDDL HEADER START
3  *
4  * The contents of this file are subject to the terms of the
5  * Common Development and Distribution License (the "License").
6  * You may not use this file except in compliance with the License.
7  *
8  * You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
9  * or http://www.opensolaris.org/os/licensing.
10  * See the License for the specific language governing permissions
11  * and limitations under the License.
12  *
13  * When distributing Covered Code, include this CDDL HEADER in each
14  * file and include the License file at usr/src/OPENSOLARIS.LICENSE.
15  * If applicable, add the following below this CDDL HEADER, with the
16  * fields enclosed by brackets "[]" replaced with your own identifying
17  * information: Portions Copyright [yyyy] [name of copyright owner]
18  *
19  * CDDL HEADER END
20  */
21 /*
22  * Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
23  * Use is subject to license terms.
24  */
25 
26 /*
27  * SunOs MT STREAMS Hydra 10Gb Ethernet Device Driver.
28  */
29 #include <hxge_impl.h>
30 #include <hxge_pfc.h>
31 
32 /*
33  * PSARC/2007/453 MSI-X interrupt limit override
34  * (This PSARC case is limited to MSI-X vectors
35  *  and SPARC platforms only).
36  */
37 #if defined(_BIG_ENDIAN)
38 uint32_t hxge_msi_enable = 2;
39 #else
40 uint32_t hxge_msi_enable = 1;
41 #endif
42 
43 /*
44  * Globals: tunable parameters (/etc/system or adb)
45  *
46  */
47 uint32_t hxge_rbr_size = HXGE_RBR_RBB_DEFAULT;
48 uint32_t hxge_rbr_spare_size = 0;
49 uint32_t hxge_rcr_size = HXGE_RCR_DEFAULT;
50 uint32_t hxge_tx_ring_size = HXGE_TX_RING_DEFAULT;
51 uint32_t hxge_bcopy_thresh = TX_BCOPY_MAX;
52 uint32_t hxge_dvma_thresh = TX_FASTDVMA_MIN;
53 uint32_t hxge_dma_stream_thresh = TX_STREAM_MIN;
54 uint32_t hxge_jumbo_frame_size = MAX_FRAME_SIZE;
55 
56 static hxge_os_mutex_t hxgedebuglock;
57 static int hxge_debug_init = 0;
58 
59 /*
60  * Debugging flags:
61  *		hxge_no_tx_lb : transmit load balancing
62  *		hxge_tx_lb_policy: 0 - TCP/UDP port (default)
63  *				   1 - From the Stack
64  *				   2 - Destination IP Address
65  */
66 uint32_t hxge_no_tx_lb = 0;
67 uint32_t hxge_tx_lb_policy = HXGE_TX_LB_TCPUDP;
68 
69 /*
70  * Add tunable to reduce the amount of time spent in the
71  * ISR doing Rx Processing.
72  */
73 #if defined(__sparc)
74 uint32_t hxge_max_rx_pkts = 512;
75 #else
76 uint32_t hxge_max_rx_pkts = 1024;
77 #endif
78 
79 /*
80  * Tunables to manage the receive buffer blocks.
81  *
82  * hxge_rx_threshold_hi: copy all buffers.
83  * hxge_rx_bcopy_size_type: receive buffer block size type.
84  * hxge_rx_threshold_lo: copy only up to tunable block size type.
85  */
86 hxge_rxbuf_threshold_t hxge_rx_threshold_hi = HXGE_RX_COPY_7;
87 hxge_rxbuf_type_t hxge_rx_buf_size_type = RCR_PKTBUFSZ_0;
88 hxge_rxbuf_threshold_t hxge_rx_threshold_lo = HXGE_RX_COPY_3;
89 
90 rtrace_t hpi_rtracebuf;
91 
92 /*
93  * Function Prototypes
94  */
95 static int hxge_attach(dev_info_t *, ddi_attach_cmd_t);
96 static int hxge_detach(dev_info_t *, ddi_detach_cmd_t);
97 static void hxge_unattach(p_hxge_t);
98 
99 static hxge_status_t hxge_setup_system_dma_pages(p_hxge_t);
100 
101 static hxge_status_t hxge_setup_mutexes(p_hxge_t);
102 static void hxge_destroy_mutexes(p_hxge_t);
103 
104 static hxge_status_t hxge_map_regs(p_hxge_t hxgep);
105 static void hxge_unmap_regs(p_hxge_t hxgep);
106 
107 hxge_status_t hxge_add_intrs(p_hxge_t hxgep);
108 static hxge_status_t hxge_add_soft_intrs(p_hxge_t hxgep);
109 static void hxge_remove_intrs(p_hxge_t hxgep);
110 static void hxge_remove_soft_intrs(p_hxge_t hxgep);
111 static hxge_status_t hxge_add_intrs_adv(p_hxge_t hxgep);
112 static hxge_status_t hxge_add_intrs_adv_type(p_hxge_t, uint32_t);
113 static hxge_status_t hxge_add_intrs_adv_type_fix(p_hxge_t, uint32_t);
114 void hxge_intrs_enable(p_hxge_t hxgep);
115 static void hxge_intrs_disable(p_hxge_t hxgep);
116 static void hxge_suspend(p_hxge_t);
117 static hxge_status_t hxge_resume(p_hxge_t);
118 hxge_status_t hxge_setup_dev(p_hxge_t);
119 static void hxge_destroy_dev(p_hxge_t);
120 hxge_status_t hxge_alloc_mem_pool(p_hxge_t);
121 static void hxge_free_mem_pool(p_hxge_t);
122 static hxge_status_t hxge_alloc_rx_mem_pool(p_hxge_t);
123 static void hxge_free_rx_mem_pool(p_hxge_t);
124 static hxge_status_t hxge_alloc_tx_mem_pool(p_hxge_t);
125 static void hxge_free_tx_mem_pool(p_hxge_t);
126 static hxge_status_t hxge_dma_mem_alloc(p_hxge_t, dma_method_t,
127     struct ddi_dma_attr *, size_t, ddi_device_acc_attr_t *, uint_t,
128     p_hxge_dma_common_t);
129 static void hxge_dma_mem_free(p_hxge_dma_common_t);
130 static hxge_status_t hxge_alloc_rx_buf_dma(p_hxge_t, uint16_t,
131     p_hxge_dma_common_t *, size_t, size_t, uint32_t *);
132 static void hxge_free_rx_buf_dma(p_hxge_t, p_hxge_dma_common_t, uint32_t);
133 static hxge_status_t hxge_alloc_rx_cntl_dma(p_hxge_t, uint16_t,
134     p_hxge_dma_common_t *, struct ddi_dma_attr *, size_t);
135 static void hxge_free_rx_cntl_dma(p_hxge_t, p_hxge_dma_common_t);
136 static hxge_status_t hxge_alloc_tx_buf_dma(p_hxge_t, uint16_t,
137     p_hxge_dma_common_t *, size_t, size_t, uint32_t *);
138 static void hxge_free_tx_buf_dma(p_hxge_t, p_hxge_dma_common_t, uint32_t);
139 static hxge_status_t hxge_alloc_tx_cntl_dma(p_hxge_t, uint16_t,
140     p_hxge_dma_common_t *, size_t);
141 static void hxge_free_tx_cntl_dma(p_hxge_t, p_hxge_dma_common_t);
142 static int hxge_init_common_dev(p_hxge_t);
143 static void hxge_uninit_common_dev(p_hxge_t);
144 
145 /*
146  * The next declarations are for the GLDv3 interface.
147  */
148 static int hxge_m_start(void *);
149 static void hxge_m_stop(void *);
150 static int hxge_m_unicst(void *, const uint8_t *);
151 static int hxge_m_multicst(void *, boolean_t, const uint8_t *);
152 static int hxge_m_promisc(void *, boolean_t);
153 static void hxge_m_ioctl(void *, queue_t *, mblk_t *);
154 static hxge_status_t hxge_mac_register(p_hxge_t hxgep);
155 
156 static boolean_t hxge_m_getcapab(void *, mac_capab_t, void *);
157 static boolean_t hxge_param_locked(mac_prop_id_t pr_num);
158 static int hxge_m_setprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
159     uint_t pr_valsize, const void *pr_val);
160 static int hxge_m_getprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
161     uint_t pr_flags, uint_t pr_valsize, void *pr_val, uint_t *);
162 static int hxge_get_def_val(hxge_t *hxgep, mac_prop_id_t pr_num,
163     uint_t pr_valsize, void *pr_val);
164 static int hxge_set_priv_prop(p_hxge_t hxgep, const char *pr_name,
165     uint_t pr_valsize, const void *pr_val);
166 static int hxge_get_priv_prop(p_hxge_t hxgep, const char *pr_name,
167     uint_t pr_flags, uint_t pr_valsize, void *pr_val);
168 static void hxge_link_poll(void *arg);
169 static void hxge_link_update(p_hxge_t hxge, link_state_t state);
170 static void hxge_msix_init(p_hxge_t hxgep);
171 void hxge_check_msix_parity_err(p_hxge_t hxgep);
172 static uint8_t gen_32bit_parity(uint32_t data, boolean_t odd_parity);
173 
174 mac_priv_prop_t hxge_priv_props[] = {
175 	{"_rxdma_intr_time", MAC_PROP_PERM_RW},
176 	{"_rxdma_intr_pkts", MAC_PROP_PERM_RW},
177 	{"_class_opt_ipv4_tcp", MAC_PROP_PERM_RW},
178 	{"_class_opt_ipv4_udp", MAC_PROP_PERM_RW},
179 	{"_class_opt_ipv4_ah", MAC_PROP_PERM_RW},
180 	{"_class_opt_ipv4_sctp", MAC_PROP_PERM_RW},
181 	{"_class_opt_ipv6_tcp", MAC_PROP_PERM_RW},
182 	{"_class_opt_ipv6_udp", MAC_PROP_PERM_RW},
183 	{"_class_opt_ipv6_ah", MAC_PROP_PERM_RW},
184 	{"_class_opt_ipv6_sctp", MAC_PROP_PERM_RW}
185 };
186 
187 #define	HXGE_MAX_PRIV_PROPS	\
188 	(sizeof (hxge_priv_props)/sizeof (mac_priv_prop_t))
189 
190 #define	HXGE_MAGIC	0x4E584745UL
191 #define	MAX_DUMP_SZ 256
192 
193 #define	HXGE_M_CALLBACK_FLAGS	\
194 	(MC_IOCTL | MC_GETCAPAB | MC_SETPROP | MC_GETPROP)
195 
196 extern mblk_t *hxge_m_tx(void *arg, mblk_t *mp);
197 extern hxge_status_t hxge_pfc_set_default_mac_addr(p_hxge_t hxgep);
198 
199 static mac_callbacks_t hxge_m_callbacks = {
200 	HXGE_M_CALLBACK_FLAGS,
201 	hxge_m_stat,
202 	hxge_m_start,
203 	hxge_m_stop,
204 	hxge_m_promisc,
205 	hxge_m_multicst,
206 	hxge_m_unicst,
207 	hxge_m_tx,
208 	hxge_m_ioctl,
209 	hxge_m_getcapab,
210 	NULL,
211 	NULL,
212 	hxge_m_setprop,
213 	hxge_m_getprop
214 };
215 
216 /* Enable debug messages as necessary. */
217 uint64_t hxge_debug_level = 0;
218 
219 /*
220  * This list contains the instance structures for the Hydra
221  * devices present in the system. The lock exists to guarantee
222  * mutually exclusive access to the list.
223  */
224 void *hxge_list = NULL;
225 void *hxge_hw_list = NULL;
226 hxge_os_mutex_t hxge_common_lock;
227 
228 extern uint64_t hpi_debug_level;
229 
230 extern hxge_status_t hxge_ldgv_init();
231 extern hxge_status_t hxge_ldgv_uninit();
232 extern hxge_status_t hxge_intr_ldgv_init();
233 extern void hxge_fm_init(p_hxge_t hxgep, ddi_device_acc_attr_t *reg_attr,
234     ddi_device_acc_attr_t *desc_attr, ddi_dma_attr_t *dma_attr);
235 extern void hxge_fm_fini(p_hxge_t hxgep);
236 
237 /*
238  * Count used to maintain the number of buffers being used
239  * by Hydra instances and loaned up to the upper layers.
240  */
241 uint32_t hxge_mblks_pending = 0;
242 
243 /*
244  * Device register access attributes for PIO.
245  */
246 static ddi_device_acc_attr_t hxge_dev_reg_acc_attr = {
247 	DDI_DEVICE_ATTR_V0,
248 	DDI_STRUCTURE_LE_ACC,
249 	DDI_STRICTORDER_ACC,
250 };
251 
252 /*
253  * Device descriptor access attributes for DMA.
254  */
255 static ddi_device_acc_attr_t hxge_dev_desc_dma_acc_attr = {
256 	DDI_DEVICE_ATTR_V0,
257 	DDI_STRUCTURE_LE_ACC,
258 	DDI_STRICTORDER_ACC
259 };
260 
261 /*
262  * Device buffer access attributes for DMA.
263  */
264 static ddi_device_acc_attr_t hxge_dev_buf_dma_acc_attr = {
265 	DDI_DEVICE_ATTR_V0,
266 	DDI_STRUCTURE_BE_ACC,
267 	DDI_STRICTORDER_ACC
268 };
269 
270 ddi_dma_attr_t hxge_rx_rcr_desc_dma_attr = {
271 	DMA_ATTR_V0,		/* version number. */
272 	0,			/* low address */
273 	0xffffffffffffffff,	/* high address */
274 	0xffffffffffffffff,	/* address counter max */
275 	0x80000,		/* alignment */
276 	0xfc00fc,		/* dlim_burstsizes */
277 	0x1,			/* minimum transfer size */
278 	0xffffffffffffffff,	/* maximum transfer size */
279 	0xffffffffffffffff,	/* maximum segment size */
280 	1,			/* scatter/gather list length */
281 	(unsigned int)1,	/* granularity */
282 	0			/* attribute flags */
283 };
284 
285 ddi_dma_attr_t hxge_tx_desc_dma_attr = {
286 	DMA_ATTR_V0,		/* version number. */
287 	0,			/* low address */
288 	0xffffffffffffffff,	/* high address */
289 	0xffffffffffffffff,	/* address counter max */
290 	0x100000,		/* alignment */
291 	0xfc00fc,		/* dlim_burstsizes */
292 	0x1,			/* minimum transfer size */
293 	0xffffffffffffffff,	/* maximum transfer size */
294 	0xffffffffffffffff,	/* maximum segment size */
295 	1,			/* scatter/gather list length */
296 	(unsigned int)1,	/* granularity */
297 	0			/* attribute flags */
298 };
299 
300 ddi_dma_attr_t hxge_rx_rbr_desc_dma_attr = {
301 	DMA_ATTR_V0,		/* version number. */
302 	0,			/* low address */
303 	0xffffffffffffffff,	/* high address */
304 	0xffffffffffffffff,	/* address counter max */
305 	0x40000,		/* alignment */
306 	0xfc00fc,		/* dlim_burstsizes */
307 	0x1,			/* minimum transfer size */
308 	0xffffffffffffffff,	/* maximum transfer size */
309 	0xffffffffffffffff,	/* maximum segment size */
310 	1,			/* scatter/gather list length */
311 	(unsigned int)1,	/* granularity */
312 	0			/* attribute flags */
313 };
314 
315 ddi_dma_attr_t hxge_rx_mbox_dma_attr = {
316 	DMA_ATTR_V0,		/* version number. */
317 	0,			/* low address */
318 	0xffffffffffffffff,	/* high address */
319 	0xffffffffffffffff,	/* address counter max */
320 #if defined(_BIG_ENDIAN)
321 	0x2000,			/* alignment */
322 #else
323 	0x1000,			/* alignment */
324 #endif
325 	0xfc00fc,		/* dlim_burstsizes */
326 	0x1,			/* minimum transfer size */
327 	0xffffffffffffffff,	/* maximum transfer size */
328 	0xffffffffffffffff,	/* maximum segment size */
329 	5,			/* scatter/gather list length */
330 	(unsigned int)1,	/* granularity */
331 	0			/* attribute flags */
332 };
333 
334 ddi_dma_attr_t hxge_tx_dma_attr = {
335 	DMA_ATTR_V0,		/* version number. */
336 	0,			/* low address */
337 	0xffffffffffffffff,	/* high address */
338 	0xffffffffffffffff,	/* address counter max */
339 #if defined(_BIG_ENDIAN)
340 	0x2000,			/* alignment */
341 #else
342 	0x1000,			/* alignment */
343 #endif
344 	0xfc00fc,		/* dlim_burstsizes */
345 	0x1,			/* minimum transfer size */
346 	0xffffffffffffffff,	/* maximum transfer size */
347 	0xffffffffffffffff,	/* maximum segment size */
348 	5,			/* scatter/gather list length */
349 	(unsigned int)1,	/* granularity */
350 	0			/* attribute flags */
351 };
352 
353 ddi_dma_attr_t hxge_rx_dma_attr = {
354 	DMA_ATTR_V0,		/* version number. */
355 	0,			/* low address */
356 	0xffffffffffffffff,	/* high address */
357 	0xffffffffffffffff,	/* address counter max */
358 	0x10000,		/* alignment */
359 	0xfc00fc,		/* dlim_burstsizes */
360 	0x1,			/* minimum transfer size */
361 	0xffffffffffffffff,	/* maximum transfer size */
362 	0xffffffffffffffff,	/* maximum segment size */
363 	1,			/* scatter/gather list length */
364 	(unsigned int)1,	/* granularity */
365 	DDI_DMA_RELAXED_ORDERING /* attribute flags */
366 };
367 
368 ddi_dma_lim_t hxge_dma_limits = {
369 	(uint_t)0,		/* dlim_addr_lo */
370 	(uint_t)0xffffffff,	/* dlim_addr_hi */
371 	(uint_t)0xffffffff,	/* dlim_cntr_max */
372 	(uint_t)0xfc00fc,	/* dlim_burstsizes for 32 and 64 bit xfers */
373 	0x1,			/* dlim_minxfer */
374 	1024			/* dlim_speed */
375 };
376 
377 dma_method_t hxge_force_dma = DVMA;
378 
379 /*
380  * dma chunk sizes.
381  *
382  * Try to allocate the largest possible size
383  * so that fewer number of dma chunks would be managed
384  */
385 size_t alloc_sizes[] = {
386     0x1000, 0x2000, 0x4000, 0x8000,
387     0x10000, 0x20000, 0x40000, 0x80000,
388     0x100000, 0x200000, 0x400000, 0x800000, 0x1000000
389 };
390 
391 /*
392  * Translate "dev_t" to a pointer to the associated "dev_info_t".
393  */
394 static int
395 hxge_attach(dev_info_t *dip, ddi_attach_cmd_t cmd)
396 {
397 	p_hxge_t	hxgep = NULL;
398 	int		instance;
399 	int		status = DDI_SUCCESS;
400 
401 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_attach"));
402 
403 	/*
404 	 * Get the device instance since we'll need to setup or retrieve a soft
405 	 * state for this instance.
406 	 */
407 	instance = ddi_get_instance(dip);
408 
409 	switch (cmd) {
410 	case DDI_ATTACH:
411 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "doing DDI_ATTACH"));
412 		break;
413 
414 	case DDI_RESUME:
415 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "doing DDI_RESUME"));
416 		hxgep = (p_hxge_t)ddi_get_soft_state(hxge_list, instance);
417 		if (hxgep == NULL) {
418 			status = DDI_FAILURE;
419 			break;
420 		}
421 		if (hxgep->dip != dip) {
422 			status = DDI_FAILURE;
423 			break;
424 		}
425 		if (hxgep->suspended == DDI_PM_SUSPEND) {
426 			status = ddi_dev_is_needed(hxgep->dip, 0, 1);
427 		} else {
428 			(void) hxge_resume(hxgep);
429 		}
430 		goto hxge_attach_exit;
431 
432 	case DDI_PM_RESUME:
433 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "doing DDI_PM_RESUME"));
434 		hxgep = (p_hxge_t)ddi_get_soft_state(hxge_list, instance);
435 		if (hxgep == NULL) {
436 			status = DDI_FAILURE;
437 			break;
438 		}
439 		if (hxgep->dip != dip) {
440 			status = DDI_FAILURE;
441 			break;
442 		}
443 		(void) hxge_resume(hxgep);
444 		goto hxge_attach_exit;
445 
446 	default:
447 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "doing unknown"));
448 		status = DDI_FAILURE;
449 		goto hxge_attach_exit;
450 	}
451 
452 	if (ddi_soft_state_zalloc(hxge_list, instance) == DDI_FAILURE) {
453 		status = DDI_FAILURE;
454 		HXGE_ERROR_MSG((hxgep, DDI_CTL,
455 		    "ddi_soft_state_zalloc failed"));
456 		goto hxge_attach_exit;
457 	}
458 
459 	hxgep = ddi_get_soft_state(hxge_list, instance);
460 	if (hxgep == NULL) {
461 		status = HXGE_ERROR;
462 		HXGE_ERROR_MSG((hxgep, DDI_CTL,
463 		    "ddi_get_soft_state failed"));
464 		goto hxge_attach_fail2;
465 	}
466 
467 	hxgep->drv_state = 0;
468 	hxgep->dip = dip;
469 	hxgep->instance = instance;
470 	hxgep->p_dip = ddi_get_parent(dip);
471 	hxgep->hxge_debug_level = hxge_debug_level;
472 	hpi_debug_level = hxge_debug_level;
473 
474 	hxge_fm_init(hxgep, &hxge_dev_reg_acc_attr, &hxge_dev_desc_dma_acc_attr,
475 	    &hxge_rx_dma_attr);
476 
477 	status = hxge_map_regs(hxgep);
478 	if (status != HXGE_OK) {
479 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "hxge_map_regs failed"));
480 		goto hxge_attach_fail3;
481 	}
482 
483 	/* Scrub the MSI-X memory */
484 	hxge_msix_init(hxgep);
485 
486 	status = hxge_init_common_dev(hxgep);
487 	if (status != HXGE_OK) {
488 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
489 		    "hxge_init_common_dev failed"));
490 		goto hxge_attach_fail4;
491 	}
492 
493 	/*
494 	 * Setup the Ndd parameters for this instance.
495 	 */
496 	hxge_init_param(hxgep);
497 
498 	/*
499 	 * Setup Register Tracing Buffer.
500 	 */
501 	hpi_rtrace_buf_init((rtrace_t *)&hpi_rtracebuf);
502 
503 	/* init stats ptr */
504 	hxge_init_statsp(hxgep);
505 
506 	status = hxge_setup_mutexes(hxgep);
507 	if (status != HXGE_OK) {
508 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "set mutex failed"));
509 		goto hxge_attach_fail;
510 	}
511 
512 	status = hxge_get_config_properties(hxgep);
513 	if (status != HXGE_OK) {
514 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "get_hw create failed"));
515 		goto hxge_attach_fail;
516 	}
517 
518 	/*
519 	 * Setup the Kstats for the driver.
520 	 */
521 	hxge_setup_kstats(hxgep);
522 	hxge_setup_param(hxgep);
523 
524 	status = hxge_setup_system_dma_pages(hxgep);
525 	if (status != HXGE_OK) {
526 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "set dma page failed"));
527 		goto hxge_attach_fail;
528 	}
529 
530 	hxge_hw_id_init(hxgep);
531 	hxge_hw_init_niu_common(hxgep);
532 
533 	status = hxge_setup_dev(hxgep);
534 	if (status != DDI_SUCCESS) {
535 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "set dev failed"));
536 		goto hxge_attach_fail;
537 	}
538 
539 	status = hxge_add_intrs(hxgep);
540 	if (status != DDI_SUCCESS) {
541 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "add_intr failed"));
542 		goto hxge_attach_fail;
543 	}
544 
545 	status = hxge_add_soft_intrs(hxgep);
546 	if (status != DDI_SUCCESS) {
547 		HXGE_DEBUG_MSG((hxgep, HXGE_ERR_CTL, "add_soft_intr failed"));
548 		goto hxge_attach_fail;
549 	}
550 
551 	/*
552 	 * Enable interrupts.
553 	 */
554 	hxge_intrs_enable(hxgep);
555 
556 	if ((status = hxge_mac_register(hxgep)) != HXGE_OK) {
557 		HXGE_DEBUG_MSG((hxgep, DDI_CTL,
558 		    "unable to register to mac layer (%d)", status));
559 		goto hxge_attach_fail;
560 	}
561 	mac_link_update(hxgep->mach, LINK_STATE_UNKNOWN);
562 
563 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "registered to mac (instance %d)",
564 	    instance));
565 
566 	goto hxge_attach_exit;
567 
568 hxge_attach_fail:
569 	hxge_unattach(hxgep);
570 	goto hxge_attach_fail1;
571 
572 hxge_attach_fail5:
573 	/*
574 	 * Tear down the ndd parameters setup.
575 	 */
576 	hxge_destroy_param(hxgep);
577 
578 	/*
579 	 * Tear down the kstat setup.
580 	 */
581 	hxge_destroy_kstats(hxgep);
582 
583 hxge_attach_fail4:
584 	if (hxgep->hxge_hw_p) {
585 		hxge_uninit_common_dev(hxgep);
586 		hxgep->hxge_hw_p = NULL;
587 	}
588 hxge_attach_fail3:
589 	/*
590 	 * Unmap the register setup.
591 	 */
592 	hxge_unmap_regs(hxgep);
593 
594 	hxge_fm_fini(hxgep);
595 
596 hxge_attach_fail2:
597 	ddi_soft_state_free(hxge_list, hxgep->instance);
598 
599 hxge_attach_fail1:
600 	if (status != HXGE_OK)
601 		status = (HXGE_ERROR | HXGE_DDI_FAILED);
602 	hxgep = NULL;
603 
604 hxge_attach_exit:
605 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_attach status = 0x%08x",
606 	    status));
607 
608 	return (status);
609 }
610 
611 static int
612 hxge_detach(dev_info_t *dip, ddi_detach_cmd_t cmd)
613 {
614 	int		status = DDI_SUCCESS;
615 	int		instance;
616 	p_hxge_t	hxgep = NULL;
617 
618 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_detach"));
619 	instance = ddi_get_instance(dip);
620 	hxgep = ddi_get_soft_state(hxge_list, instance);
621 	if (hxgep == NULL) {
622 		status = DDI_FAILURE;
623 		goto hxge_detach_exit;
624 	}
625 
626 	switch (cmd) {
627 	case DDI_DETACH:
628 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "doing DDI_DETACH"));
629 		break;
630 
631 	case DDI_PM_SUSPEND:
632 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "doing DDI_PM_SUSPEND"));
633 		hxgep->suspended = DDI_PM_SUSPEND;
634 		hxge_suspend(hxgep);
635 		break;
636 
637 	case DDI_SUSPEND:
638 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "doing DDI_SUSPEND"));
639 		if (hxgep->suspended != DDI_PM_SUSPEND) {
640 			hxgep->suspended = DDI_SUSPEND;
641 			hxge_suspend(hxgep);
642 		}
643 		break;
644 
645 	default:
646 		status = DDI_FAILURE;
647 		break;
648 	}
649 
650 	if (cmd != DDI_DETACH)
651 		goto hxge_detach_exit;
652 
653 	/*
654 	 * Stop the xcvr polling.
655 	 */
656 	hxgep->suspended = cmd;
657 
658 	if (hxgep->mach && (status = mac_unregister(hxgep->mach)) != 0) {
659 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
660 		    "<== hxge_detach status = 0x%08X", status));
661 		return (DDI_FAILURE);
662 	}
663 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
664 	    "<== hxge_detach (mac_unregister) status = 0x%08X", status));
665 
666 	hxge_unattach(hxgep);
667 	hxgep = NULL;
668 
669 hxge_detach_exit:
670 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_detach status = 0x%08X",
671 	    status));
672 
673 	return (status);
674 }
675 
676 static void
677 hxge_unattach(p_hxge_t hxgep)
678 {
679 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_unattach"));
680 
681 	if (hxgep == NULL || hxgep->dev_regs == NULL) {
682 		return;
683 	}
684 
685 	if (hxgep->hxge_hw_p) {
686 		hxge_uninit_common_dev(hxgep);
687 		hxgep->hxge_hw_p = NULL;
688 	}
689 
690 	if (hxgep->hxge_timerid) {
691 		hxge_stop_timer(hxgep, hxgep->hxge_timerid);
692 		hxgep->hxge_timerid = 0;
693 	}
694 
695 	/* Stop any further interrupts. */
696 	hxge_remove_intrs(hxgep);
697 
698 	/* Remove soft interrups */
699 	hxge_remove_soft_intrs(hxgep);
700 
701 	/* Stop the device and free resources. */
702 	hxge_destroy_dev(hxgep);
703 
704 	/* Tear down the ndd parameters setup. */
705 	hxge_destroy_param(hxgep);
706 
707 	/* Tear down the kstat setup. */
708 	hxge_destroy_kstats(hxgep);
709 
710 	/*
711 	 * Remove the list of ndd parameters which were setup during attach.
712 	 */
713 	if (hxgep->dip) {
714 		HXGE_DEBUG_MSG((hxgep, OBP_CTL,
715 		    " hxge_unattach: remove all properties"));
716 		(void) ddi_prop_remove_all(hxgep->dip);
717 	}
718 
719 	/*
720 	 * Reset RDC, TDC, PFC, and VMAC blocks from PEU to clear any
721 	 * previous state before unmapping the registers.
722 	 */
723 	HXGE_REG_WR32(hxgep->hpi_handle, BLOCK_RESET, 0x0000001E);
724 	HXGE_DELAY(1000);
725 
726 	/*
727 	 * Unmap the register setup.
728 	 */
729 	hxge_unmap_regs(hxgep);
730 
731 	hxge_fm_fini(hxgep);
732 
733 	/* Destroy all mutexes.  */
734 	hxge_destroy_mutexes(hxgep);
735 
736 	/*
737 	 * Free the soft state data structures allocated with this instance.
738 	 */
739 	ddi_soft_state_free(hxge_list, hxgep->instance);
740 
741 	HXGE_DEBUG_MSG((NULL, DDI_CTL, "<== hxge_unattach"));
742 }
743 
744 static hxge_status_t
745 hxge_map_regs(p_hxge_t hxgep)
746 {
747 	int		ddi_status = DDI_SUCCESS;
748 	p_dev_regs_t	dev_regs;
749 
750 #ifdef	HXGE_DEBUG
751 	char		*sysname;
752 #endif
753 
754 	off_t		regsize;
755 	hxge_status_t	status = HXGE_OK;
756 	int		nregs;
757 
758 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_map_regs"));
759 
760 	if (ddi_dev_nregs(hxgep->dip, &nregs) != DDI_SUCCESS)
761 		return (HXGE_ERROR);
762 
763 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "hxge_map_regs: nregs: %d", nregs));
764 
765 	hxgep->dev_regs = NULL;
766 	dev_regs = KMEM_ZALLOC(sizeof (dev_regs_t), KM_SLEEP);
767 	dev_regs->hxge_regh = NULL;
768 	dev_regs->hxge_pciregh = NULL;
769 	dev_regs->hxge_msix_regh = NULL;
770 
771 	(void) ddi_dev_regsize(hxgep->dip, 0, &regsize);
772 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
773 	    "hxge_map_regs: pci config size 0x%x", regsize));
774 
775 	ddi_status = ddi_regs_map_setup(hxgep->dip, 0,
776 	    (caddr_t *)&(dev_regs->hxge_pciregp), 0, 0,
777 	    &hxge_dev_reg_acc_attr, &dev_regs->hxge_pciregh);
778 	if (ddi_status != DDI_SUCCESS) {
779 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
780 		    "ddi_map_regs, hxge bus config regs failed"));
781 		goto hxge_map_regs_fail0;
782 	}
783 
784 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
785 	    "hxge_map_reg: PCI config addr 0x%0llx handle 0x%0llx",
786 	    dev_regs->hxge_pciregp,
787 	    dev_regs->hxge_pciregh));
788 
789 	(void) ddi_dev_regsize(hxgep->dip, 1, &regsize);
790 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
791 	    "hxge_map_regs: pio size 0x%x", regsize));
792 
793 	/* set up the device mapped register */
794 	ddi_status = ddi_regs_map_setup(hxgep->dip, 1,
795 	    (caddr_t *)&(dev_regs->hxge_regp), 0, 0,
796 	    &hxge_dev_reg_acc_attr, &dev_regs->hxge_regh);
797 
798 	if (ddi_status != DDI_SUCCESS) {
799 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
800 		    "ddi_map_regs for Hydra global reg failed"));
801 		goto hxge_map_regs_fail1;
802 	}
803 
804 	/* set up the msi/msi-x mapped register */
805 	(void) ddi_dev_regsize(hxgep->dip, 2, &regsize);
806 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
807 	    "hxge_map_regs: msix size 0x%x", regsize));
808 
809 	ddi_status = ddi_regs_map_setup(hxgep->dip, 2,
810 	    (caddr_t *)&(dev_regs->hxge_msix_regp), 0, 0,
811 	    &hxge_dev_reg_acc_attr, &dev_regs->hxge_msix_regh);
812 
813 	if (ddi_status != DDI_SUCCESS) {
814 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
815 		    "ddi_map_regs for msi reg failed"));
816 		goto hxge_map_regs_fail2;
817 	}
818 
819 	hxgep->dev_regs = dev_regs;
820 
821 	HPI_PCI_ACC_HANDLE_SET(hxgep, dev_regs->hxge_pciregh);
822 	HPI_PCI_ADD_HANDLE_SET(hxgep, (hpi_reg_ptr_t)dev_regs->hxge_pciregp);
823 	HPI_MSI_ACC_HANDLE_SET(hxgep, dev_regs->hxge_msix_regh);
824 	HPI_MSI_ADD_HANDLE_SET(hxgep, (hpi_reg_ptr_t)dev_regs->hxge_msix_regp);
825 
826 	HPI_ACC_HANDLE_SET(hxgep, dev_regs->hxge_regh);
827 	HPI_ADD_HANDLE_SET(hxgep, (hpi_reg_ptr_t)dev_regs->hxge_regp);
828 
829 	HPI_REG_ACC_HANDLE_SET(hxgep, dev_regs->hxge_regh);
830 	HPI_REG_ADD_HANDLE_SET(hxgep, (hpi_reg_ptr_t)dev_regs->hxge_regp);
831 
832 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "hxge_map_reg: hardware addr 0x%0llx "
833 	    " handle 0x%0llx", dev_regs->hxge_regp, dev_regs->hxge_regh));
834 
835 	goto hxge_map_regs_exit;
836 
837 hxge_map_regs_fail3:
838 	if (dev_regs->hxge_msix_regh) {
839 		ddi_regs_map_free(&dev_regs->hxge_msix_regh);
840 	}
841 
842 hxge_map_regs_fail2:
843 	if (dev_regs->hxge_regh) {
844 		ddi_regs_map_free(&dev_regs->hxge_regh);
845 	}
846 
847 hxge_map_regs_fail1:
848 	if (dev_regs->hxge_pciregh) {
849 		ddi_regs_map_free(&dev_regs->hxge_pciregh);
850 	}
851 
852 hxge_map_regs_fail0:
853 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "Freeing register set memory"));
854 	kmem_free(dev_regs, sizeof (dev_regs_t));
855 
856 hxge_map_regs_exit:
857 	if (ddi_status != DDI_SUCCESS)
858 		status |= (HXGE_ERROR | HXGE_DDI_FAILED);
859 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_map_regs"));
860 	return (status);
861 }
862 
863 static void
864 hxge_unmap_regs(p_hxge_t hxgep)
865 {
866 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_unmap_regs"));
867 	if (hxgep->dev_regs) {
868 		if (hxgep->dev_regs->hxge_pciregh) {
869 			HXGE_DEBUG_MSG((hxgep, DDI_CTL,
870 			    "==> hxge_unmap_regs: bus"));
871 			ddi_regs_map_free(&hxgep->dev_regs->hxge_pciregh);
872 			hxgep->dev_regs->hxge_pciregh = NULL;
873 		}
874 
875 		if (hxgep->dev_regs->hxge_regh) {
876 			HXGE_DEBUG_MSG((hxgep, DDI_CTL,
877 			    "==> hxge_unmap_regs: device registers"));
878 			ddi_regs_map_free(&hxgep->dev_regs->hxge_regh);
879 			hxgep->dev_regs->hxge_regh = NULL;
880 		}
881 
882 		if (hxgep->dev_regs->hxge_msix_regh) {
883 			HXGE_DEBUG_MSG((hxgep, DDI_CTL,
884 			    "==> hxge_unmap_regs: device interrupts"));
885 			ddi_regs_map_free(&hxgep->dev_regs->hxge_msix_regh);
886 			hxgep->dev_regs->hxge_msix_regh = NULL;
887 		}
888 		kmem_free(hxgep->dev_regs, sizeof (dev_regs_t));
889 		hxgep->dev_regs = NULL;
890 	}
891 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_unmap_regs"));
892 }
893 
894 static hxge_status_t
895 hxge_setup_mutexes(p_hxge_t hxgep)
896 {
897 	int		ddi_status = DDI_SUCCESS;
898 	hxge_status_t	status = HXGE_OK;
899 
900 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_setup_mutexes"));
901 
902 	/*
903 	 * Get the interrupt cookie so the mutexes can be Initialised.
904 	 */
905 	ddi_status = ddi_get_iblock_cookie(hxgep->dip, 0,
906 	    &hxgep->interrupt_cookie);
907 
908 	if (ddi_status != DDI_SUCCESS) {
909 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
910 		    "<== hxge_setup_mutexes: failed 0x%x", ddi_status));
911 		goto hxge_setup_mutexes_exit;
912 	}
913 
914 	/*
915 	 * Initialize mutex's for this device.
916 	 */
917 	MUTEX_INIT(hxgep->genlock, NULL,
918 	    MUTEX_DRIVER, (void *) hxgep->interrupt_cookie);
919 	MUTEX_INIT(&hxgep->ouraddr_lock, NULL,
920 	    MUTEX_DRIVER, (void *) hxgep->interrupt_cookie);
921 	RW_INIT(&hxgep->filter_lock, NULL,
922 	    RW_DRIVER, (void *) hxgep->interrupt_cookie);
923 	MUTEX_INIT(&hxgep->pio_lock, NULL,
924 	    MUTEX_DRIVER, (void *) hxgep->interrupt_cookie);
925 	MUTEX_INIT(&hxgep->timeout.lock, NULL,
926 	    MUTEX_DRIVER, (void *) hxgep->interrupt_cookie);
927 
928 hxge_setup_mutexes_exit:
929 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
930 	    "<== hxge_setup_mutexes status = %x", status));
931 
932 	if (ddi_status != DDI_SUCCESS)
933 		status |= (HXGE_ERROR | HXGE_DDI_FAILED);
934 
935 	return (status);
936 }
937 
938 static void
939 hxge_destroy_mutexes(p_hxge_t hxgep)
940 {
941 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_destroy_mutexes"));
942 	RW_DESTROY(&hxgep->filter_lock);
943 	MUTEX_DESTROY(&hxgep->ouraddr_lock);
944 	MUTEX_DESTROY(hxgep->genlock);
945 	MUTEX_DESTROY(&hxgep->pio_lock);
946 	MUTEX_DESTROY(&hxgep->timeout.lock);
947 
948 	if (hxge_debug_init == 1) {
949 		MUTEX_DESTROY(&hxgedebuglock);
950 		hxge_debug_init = 0;
951 	}
952 
953 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_destroy_mutexes"));
954 }
955 
956 hxge_status_t
957 hxge_init(p_hxge_t hxgep)
958 {
959 	hxge_status_t status = HXGE_OK;
960 
961 	HXGE_DEBUG_MSG((hxgep, STR_CTL, "==> hxge_init"));
962 
963 	if (hxgep->drv_state & STATE_HW_INITIALIZED) {
964 		return (status);
965 	}
966 
967 	/*
968 	 * Allocate system memory for the receive/transmit buffer blocks and
969 	 * receive/transmit descriptor rings.
970 	 */
971 	status = hxge_alloc_mem_pool(hxgep);
972 	if (status != HXGE_OK) {
973 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "alloc mem failed\n"));
974 		goto hxge_init_fail1;
975 	}
976 
977 	/*
978 	 * Initialize and enable TXDMA channels.
979 	 */
980 	status = hxge_init_txdma_channels(hxgep);
981 	if (status != HXGE_OK) {
982 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "init txdma failed\n"));
983 		goto hxge_init_fail3;
984 	}
985 
986 	/*
987 	 * Initialize and enable RXDMA channels.
988 	 */
989 	status = hxge_init_rxdma_channels(hxgep);
990 	if (status != HXGE_OK) {
991 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "init rxdma failed\n"));
992 		goto hxge_init_fail4;
993 	}
994 
995 	/*
996 	 * Initialize TCAM
997 	 */
998 	status = hxge_classify_init(hxgep);
999 	if (status != HXGE_OK) {
1000 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "init classify failed\n"));
1001 		goto hxge_init_fail5;
1002 	}
1003 
1004 	/*
1005 	 * Initialize the VMAC block.
1006 	 */
1007 	status = hxge_vmac_init(hxgep);
1008 	if (status != HXGE_OK) {
1009 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "init MAC failed\n"));
1010 		goto hxge_init_fail5;
1011 	}
1012 
1013 	/* Bringup - this may be unnecessary when PXE and FCODE available */
1014 	status = hxge_pfc_set_default_mac_addr(hxgep);
1015 	if (status != HXGE_OK) {
1016 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
1017 		    "Default Address Failure\n"));
1018 		goto hxge_init_fail5;
1019 	}
1020 
1021 	hxge_intrs_enable(hxgep);
1022 
1023 	/*
1024 	 * Enable hardware interrupts.
1025 	 */
1026 	hxge_intr_hw_enable(hxgep);
1027 	hxgep->drv_state |= STATE_HW_INITIALIZED;
1028 
1029 	goto hxge_init_exit;
1030 
1031 hxge_init_fail5:
1032 	hxge_uninit_rxdma_channels(hxgep);
1033 hxge_init_fail4:
1034 	hxge_uninit_txdma_channels(hxgep);
1035 hxge_init_fail3:
1036 	hxge_free_mem_pool(hxgep);
1037 hxge_init_fail1:
1038 	HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
1039 	    "<== hxge_init status (failed) = 0x%08x", status));
1040 	return (status);
1041 
1042 hxge_init_exit:
1043 
1044 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_init status = 0x%08x",
1045 	    status));
1046 
1047 	return (status);
1048 }
1049 
1050 timeout_id_t
1051 hxge_start_timer(p_hxge_t hxgep, fptrv_t func, int msec)
1052 {
1053 	if ((hxgep->suspended == 0) || (hxgep->suspended == DDI_RESUME)) {
1054 		return (timeout(func, (caddr_t)hxgep,
1055 		    drv_usectohz(1000 * msec)));
1056 	}
1057 	return (NULL);
1058 }
1059 
1060 /*ARGSUSED*/
1061 void
1062 hxge_stop_timer(p_hxge_t hxgep, timeout_id_t timerid)
1063 {
1064 	if (timerid) {
1065 		(void) untimeout(timerid);
1066 	}
1067 }
1068 
1069 void
1070 hxge_uninit(p_hxge_t hxgep)
1071 {
1072 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_uninit"));
1073 
1074 	if (!(hxgep->drv_state & STATE_HW_INITIALIZED)) {
1075 		HXGE_DEBUG_MSG((hxgep, DDI_CTL,
1076 		    "==> hxge_uninit: not initialized"));
1077 		HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_uninit"));
1078 		return;
1079 	}
1080 
1081 	/* Stop timer */
1082 	if (hxgep->hxge_timerid) {
1083 		hxge_stop_timer(hxgep, hxgep->hxge_timerid);
1084 		hxgep->hxge_timerid = 0;
1085 	}
1086 
1087 	(void) hxge_intr_hw_disable(hxgep);
1088 
1089 	/* Reset the receive VMAC side.  */
1090 	(void) hxge_rx_vmac_disable(hxgep);
1091 
1092 	/* Free classification resources */
1093 	(void) hxge_classify_uninit(hxgep);
1094 
1095 	/* Reset the transmit/receive DMA side.  */
1096 	(void) hxge_txdma_hw_mode(hxgep, HXGE_DMA_STOP);
1097 	(void) hxge_rxdma_hw_mode(hxgep, HXGE_DMA_STOP);
1098 
1099 	hxge_uninit_txdma_channels(hxgep);
1100 	hxge_uninit_rxdma_channels(hxgep);
1101 
1102 	/* Reset the transmit VMAC side.  */
1103 	(void) hxge_tx_vmac_disable(hxgep);
1104 
1105 	hxge_free_mem_pool(hxgep);
1106 
1107 	hxgep->drv_state &= ~STATE_HW_INITIALIZED;
1108 
1109 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_uninit"));
1110 }
1111 
1112 void
1113 hxge_get64(p_hxge_t hxgep, p_mblk_t mp)
1114 {
1115 #if defined(__i386)
1116 	size_t		reg;
1117 #else
1118 	uint64_t	reg;
1119 #endif
1120 	uint64_t	regdata;
1121 	int		i, retry;
1122 
1123 	bcopy((char *)mp->b_rptr, (char *)&reg, sizeof (uint64_t));
1124 	regdata = 0;
1125 	retry = 1;
1126 
1127 	for (i = 0; i < retry; i++) {
1128 		HXGE_REG_RD64(hxgep->hpi_handle, reg, &regdata);
1129 	}
1130 	bcopy((char *)&regdata, (char *)mp->b_rptr, sizeof (uint64_t));
1131 }
1132 
1133 void
1134 hxge_put64(p_hxge_t hxgep, p_mblk_t mp)
1135 {
1136 #if defined(__i386)
1137 	size_t		reg;
1138 #else
1139 	uint64_t	reg;
1140 #endif
1141 	uint64_t	buf[2];
1142 
1143 	bcopy((char *)mp->b_rptr, (char *)&buf[0], 2 * sizeof (uint64_t));
1144 #if defined(__i386)
1145 	reg = (size_t)buf[0];
1146 #else
1147 	reg = buf[0];
1148 #endif
1149 
1150 	HXGE_HPI_PIO_WRITE64(hxgep->hpi_handle, reg, buf[1]);
1151 }
1152 
1153 /*ARGSUSED*/
1154 /*VARARGS*/
1155 void
1156 hxge_debug_msg(p_hxge_t hxgep, uint64_t level, char *fmt, ...)
1157 {
1158 	char		msg_buffer[1048];
1159 	char		prefix_buffer[32];
1160 	int		instance;
1161 	uint64_t	debug_level;
1162 	int		cmn_level = CE_CONT;
1163 	va_list		ap;
1164 
1165 	debug_level = (hxgep == NULL) ? hxge_debug_level :
1166 	    hxgep->hxge_debug_level;
1167 
1168 	if ((level & debug_level) || (level == HXGE_NOTE) ||
1169 	    (level == HXGE_ERR_CTL)) {
1170 		/* do the msg processing */
1171 		if (hxge_debug_init == 0) {
1172 			MUTEX_INIT(&hxgedebuglock, NULL, MUTEX_DRIVER, NULL);
1173 			hxge_debug_init = 1;
1174 		}
1175 
1176 		MUTEX_ENTER(&hxgedebuglock);
1177 
1178 		if ((level & HXGE_NOTE)) {
1179 			cmn_level = CE_NOTE;
1180 		}
1181 
1182 		if (level & HXGE_ERR_CTL) {
1183 			cmn_level = CE_WARN;
1184 		}
1185 
1186 		va_start(ap, fmt);
1187 		(void) vsprintf(msg_buffer, fmt, ap);
1188 		va_end(ap);
1189 
1190 		if (hxgep == NULL) {
1191 			instance = -1;
1192 			(void) sprintf(prefix_buffer, "%s :", "hxge");
1193 		} else {
1194 			instance = hxgep->instance;
1195 			(void) sprintf(prefix_buffer,
1196 			    "%s%d :", "hxge", instance);
1197 		}
1198 
1199 		MUTEX_EXIT(&hxgedebuglock);
1200 		cmn_err(cmn_level, "%s %s\n", prefix_buffer, msg_buffer);
1201 	}
1202 }
1203 
1204 char *
1205 hxge_dump_packet(char *addr, int size)
1206 {
1207 	uchar_t		*ap = (uchar_t *)addr;
1208 	int		i;
1209 	static char	etherbuf[1024];
1210 	char		*cp = etherbuf;
1211 	char		digits[] = "0123456789abcdef";
1212 
1213 	if (!size)
1214 		size = 60;
1215 
1216 	if (size > MAX_DUMP_SZ) {
1217 		/* Dump the leading bytes */
1218 		for (i = 0; i < MAX_DUMP_SZ / 2; i++) {
1219 			if (*ap > 0x0f)
1220 				*cp++ = digits[*ap >> 4];
1221 			*cp++ = digits[*ap++ & 0xf];
1222 			*cp++ = ':';
1223 		}
1224 		for (i = 0; i < 20; i++)
1225 			*cp++ = '.';
1226 		/* Dump the last MAX_DUMP_SZ/2 bytes */
1227 		ap = (uchar_t *)(addr + (size - MAX_DUMP_SZ / 2));
1228 		for (i = 0; i < MAX_DUMP_SZ / 2; i++) {
1229 			if (*ap > 0x0f)
1230 				*cp++ = digits[*ap >> 4];
1231 			*cp++ = digits[*ap++ & 0xf];
1232 			*cp++ = ':';
1233 		}
1234 	} else {
1235 		for (i = 0; i < size; i++) {
1236 			if (*ap > 0x0f)
1237 				*cp++ = digits[*ap >> 4];
1238 			*cp++ = digits[*ap++ & 0xf];
1239 			*cp++ = ':';
1240 		}
1241 	}
1242 	*--cp = 0;
1243 	return (etherbuf);
1244 }
1245 
1246 static void
1247 hxge_suspend(p_hxge_t hxgep)
1248 {
1249 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_suspend"));
1250 
1251 	/*
1252 	 * Stop the link status timer before hxge_intrs_disable() to avoid
1253 	 * accessing the the MSIX table simultaneously. Note that the timer
1254 	 * routine polls for MSIX parity errors.
1255 	 */
1256 	MUTEX_ENTER(&hxgep->timeout.lock);
1257 	if (hxgep->timeout.id)
1258 		(void) untimeout(hxgep->timeout.id);
1259 	MUTEX_EXIT(&hxgep->timeout.lock);
1260 
1261 	hxge_intrs_disable(hxgep);
1262 	hxge_destroy_dev(hxgep);
1263 
1264 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_suspend"));
1265 }
1266 
1267 static hxge_status_t
1268 hxge_resume(p_hxge_t hxgep)
1269 {
1270 	hxge_status_t status = HXGE_OK;
1271 
1272 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_resume"));
1273 	hxgep->suspended = DDI_RESUME;
1274 
1275 	(void) hxge_rxdma_hw_mode(hxgep, HXGE_DMA_START);
1276 	(void) hxge_txdma_hw_mode(hxgep, HXGE_DMA_START);
1277 
1278 	(void) hxge_rx_vmac_enable(hxgep);
1279 	(void) hxge_tx_vmac_enable(hxgep);
1280 
1281 	hxge_intrs_enable(hxgep);
1282 
1283 	hxgep->suspended = 0;
1284 
1285 	/*
1286 	 * Resume the link status timer after hxge_intrs_enable to avoid
1287 	 * accessing MSIX table simultaneously.
1288 	 */
1289 	MUTEX_ENTER(&hxgep->timeout.lock);
1290 	hxgep->timeout.id = timeout(hxge_link_poll, (void *)hxgep,
1291 	    hxgep->timeout.ticks);
1292 	MUTEX_EXIT(&hxgep->timeout.lock);
1293 
1294 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
1295 	    "<== hxge_resume status = 0x%x", status));
1296 
1297 	return (status);
1298 }
1299 
1300 hxge_status_t
1301 hxge_setup_dev(p_hxge_t hxgep)
1302 {
1303 	hxge_status_t status = HXGE_OK;
1304 
1305 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_setup_dev"));
1306 
1307 	status = hxge_link_init(hxgep);
1308 	if (fm_check_acc_handle(hxgep->dev_regs->hxge_regh) != DDI_FM_OK) {
1309 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
1310 		    "Bad register acc handle"));
1311 		status = HXGE_ERROR;
1312 	}
1313 
1314 	if (status != HXGE_OK) {
1315 		HXGE_DEBUG_MSG((hxgep, MAC_CTL,
1316 		    " hxge_setup_dev status (link init 0x%08x)", status));
1317 		goto hxge_setup_dev_exit;
1318 	}
1319 
1320 hxge_setup_dev_exit:
1321 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
1322 	    "<== hxge_setup_dev status = 0x%08x", status));
1323 
1324 	return (status);
1325 }
1326 
1327 static void
1328 hxge_destroy_dev(p_hxge_t hxgep)
1329 {
1330 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_destroy_dev"));
1331 
1332 	(void) hxge_hw_stop(hxgep);
1333 
1334 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_destroy_dev"));
1335 }
1336 
1337 static hxge_status_t
1338 hxge_setup_system_dma_pages(p_hxge_t hxgep)
1339 {
1340 	int			ddi_status = DDI_SUCCESS;
1341 	uint_t			count;
1342 	ddi_dma_cookie_t	cookie;
1343 	uint_t			iommu_pagesize;
1344 	hxge_status_t		status = HXGE_OK;
1345 
1346 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_setup_system_dma_pages"));
1347 
1348 	hxgep->sys_page_sz = ddi_ptob(hxgep->dip, (ulong_t)1);
1349 	iommu_pagesize = dvma_pagesize(hxgep->dip);
1350 
1351 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
1352 	    " hxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1353 	    " default_block_size %d iommu_pagesize %d",
1354 	    hxgep->sys_page_sz, ddi_ptob(hxgep->dip, (ulong_t)1),
1355 	    hxgep->rx_default_block_size, iommu_pagesize));
1356 
1357 	if (iommu_pagesize != 0) {
1358 		if (hxgep->sys_page_sz == iommu_pagesize) {
1359 			/* Hydra support up to 8K pages */
1360 			if (iommu_pagesize > 0x2000)
1361 				hxgep->sys_page_sz = 0x2000;
1362 		} else {
1363 			if (hxgep->sys_page_sz > iommu_pagesize)
1364 				hxgep->sys_page_sz = iommu_pagesize;
1365 		}
1366 	}
1367 
1368 	hxgep->sys_page_mask = ~(hxgep->sys_page_sz - 1);
1369 
1370 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
1371 	    "==> hxge_setup_system_dma_pages: page %d (ddi_ptob %d) "
1372 	    "default_block_size %d page mask %d",
1373 	    hxgep->sys_page_sz, ddi_ptob(hxgep->dip, (ulong_t)1),
1374 	    hxgep->rx_default_block_size, hxgep->sys_page_mask));
1375 
1376 	switch (hxgep->sys_page_sz) {
1377 	default:
1378 		hxgep->sys_page_sz = 0x1000;
1379 		hxgep->sys_page_mask = ~(hxgep->sys_page_sz - 1);
1380 		hxgep->rx_default_block_size = 0x1000;
1381 		hxgep->rx_bksize_code = RBR_BKSIZE_4K;
1382 		break;
1383 	case 0x1000:
1384 		hxgep->rx_default_block_size = 0x1000;
1385 		hxgep->rx_bksize_code = RBR_BKSIZE_4K;
1386 		break;
1387 	case 0x2000:
1388 		hxgep->rx_default_block_size = 0x2000;
1389 		hxgep->rx_bksize_code = RBR_BKSIZE_8K;
1390 		break;
1391 	}
1392 
1393 	hxge_rx_dma_attr.dma_attr_align = hxgep->sys_page_sz;
1394 	hxge_tx_dma_attr.dma_attr_align = hxgep->sys_page_sz;
1395 
1396 	/*
1397 	 * Get the system DMA burst size.
1398 	 */
1399 	ddi_status = ddi_dma_alloc_handle(hxgep->dip, &hxge_tx_dma_attr,
1400 	    DDI_DMA_DONTWAIT, 0, &hxgep->dmasparehandle);
1401 	if (ddi_status != DDI_SUCCESS) {
1402 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
1403 		    "ddi_dma_alloc_handle: failed status 0x%x", ddi_status));
1404 		goto hxge_get_soft_properties_exit;
1405 	}
1406 
1407 	ddi_status = ddi_dma_addr_bind_handle(hxgep->dmasparehandle, NULL,
1408 	    (caddr_t)hxgep->dmasparehandle, sizeof (hxgep->dmasparehandle),
1409 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT, DDI_DMA_DONTWAIT, 0,
1410 	    &cookie, &count);
1411 	if (ddi_status != DDI_DMA_MAPPED) {
1412 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
1413 		    "Binding spare handle to find system burstsize failed."));
1414 		ddi_status = DDI_FAILURE;
1415 		goto hxge_get_soft_properties_fail1;
1416 	}
1417 
1418 	hxgep->sys_burst_sz = ddi_dma_burstsizes(hxgep->dmasparehandle);
1419 	(void) ddi_dma_unbind_handle(hxgep->dmasparehandle);
1420 
1421 hxge_get_soft_properties_fail1:
1422 	ddi_dma_free_handle(&hxgep->dmasparehandle);
1423 
1424 hxge_get_soft_properties_exit:
1425 
1426 	if (ddi_status != DDI_SUCCESS)
1427 		status |= (HXGE_ERROR | HXGE_DDI_FAILED);
1428 
1429 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
1430 	    "<== hxge_setup_system_dma_pages status = 0x%08x", status));
1431 
1432 	return (status);
1433 }
1434 
1435 hxge_status_t
1436 hxge_alloc_mem_pool(p_hxge_t hxgep)
1437 {
1438 	hxge_status_t status = HXGE_OK;
1439 
1440 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_alloc_mem_pool"));
1441 
1442 	status = hxge_alloc_rx_mem_pool(hxgep);
1443 	if (status != HXGE_OK) {
1444 		return (HXGE_ERROR);
1445 	}
1446 
1447 	status = hxge_alloc_tx_mem_pool(hxgep);
1448 	if (status != HXGE_OK) {
1449 		hxge_free_rx_mem_pool(hxgep);
1450 		return (HXGE_ERROR);
1451 	}
1452 
1453 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_alloc_mem_pool"));
1454 	return (HXGE_OK);
1455 }
1456 
1457 static void
1458 hxge_free_mem_pool(p_hxge_t hxgep)
1459 {
1460 	HXGE_DEBUG_MSG((hxgep, MEM_CTL, "==> hxge_free_mem_pool"));
1461 
1462 	hxge_free_rx_mem_pool(hxgep);
1463 	hxge_free_tx_mem_pool(hxgep);
1464 
1465 	HXGE_DEBUG_MSG((hxgep, MEM_CTL, "<== hxge_free_mem_pool"));
1466 }
1467 
1468 static hxge_status_t
1469 hxge_alloc_rx_mem_pool(p_hxge_t hxgep)
1470 {
1471 	int			i, j;
1472 	uint32_t		ndmas, st_rdc;
1473 	p_hxge_dma_pt_cfg_t	p_all_cfgp;
1474 	p_hxge_hw_pt_cfg_t	p_cfgp;
1475 	p_hxge_dma_pool_t	dma_poolp;
1476 	p_hxge_dma_common_t	*dma_buf_p;
1477 	p_hxge_dma_pool_t	dma_rbr_cntl_poolp;
1478 	p_hxge_dma_common_t	*dma_rbr_cntl_p;
1479 	p_hxge_dma_pool_t	dma_rcr_cntl_poolp;
1480 	p_hxge_dma_common_t	*dma_rcr_cntl_p;
1481 	p_hxge_dma_pool_t	dma_mbox_cntl_poolp;
1482 	p_hxge_dma_common_t	*dma_mbox_cntl_p;
1483 	size_t			rx_buf_alloc_size;
1484 	size_t			rx_rbr_cntl_alloc_size;
1485 	size_t			rx_rcr_cntl_alloc_size;
1486 	size_t			rx_mbox_cntl_alloc_size;
1487 	uint32_t		*num_chunks;	/* per dma */
1488 	hxge_status_t		status = HXGE_OK;
1489 
1490 	uint32_t		hxge_port_rbr_size;
1491 	uint32_t		hxge_port_rbr_spare_size;
1492 	uint32_t		hxge_port_rcr_size;
1493 
1494 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_alloc_rx_mem_pool"));
1495 
1496 	p_all_cfgp = (p_hxge_dma_pt_cfg_t)&hxgep->pt_config;
1497 	p_cfgp = (p_hxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
1498 	st_rdc = p_cfgp->start_rdc;
1499 	ndmas = p_cfgp->max_rdcs;
1500 
1501 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1502 	    " hxge_alloc_rx_mem_pool st_rdc %d ndmas %d", st_rdc, ndmas));
1503 
1504 	/*
1505 	 * Allocate memory for each receive DMA channel.
1506 	 */
1507 	dma_poolp = (p_hxge_dma_pool_t)KMEM_ZALLOC(sizeof (hxge_dma_pool_t),
1508 	    KM_SLEEP);
1509 	dma_buf_p = (p_hxge_dma_common_t *)KMEM_ZALLOC(
1510 	    sizeof (p_hxge_dma_common_t) * ndmas, KM_SLEEP);
1511 
1512 	dma_rbr_cntl_poolp = (p_hxge_dma_pool_t)
1513 	    KMEM_ZALLOC(sizeof (hxge_dma_pool_t), KM_SLEEP);
1514 	dma_rbr_cntl_p = (p_hxge_dma_common_t *)KMEM_ZALLOC(
1515 	    sizeof (p_hxge_dma_common_t) * ndmas, KM_SLEEP);
1516 	dma_rcr_cntl_poolp = (p_hxge_dma_pool_t)
1517 	    KMEM_ZALLOC(sizeof (hxge_dma_pool_t), KM_SLEEP);
1518 	dma_rcr_cntl_p = (p_hxge_dma_common_t *)KMEM_ZALLOC(
1519 	    sizeof (p_hxge_dma_common_t) * ndmas, KM_SLEEP);
1520 	dma_mbox_cntl_poolp = (p_hxge_dma_pool_t)
1521 	    KMEM_ZALLOC(sizeof (hxge_dma_pool_t), KM_SLEEP);
1522 	dma_mbox_cntl_p = (p_hxge_dma_common_t *)KMEM_ZALLOC(
1523 	    sizeof (p_hxge_dma_common_t) * ndmas, KM_SLEEP);
1524 
1525 	num_chunks = (uint32_t *)KMEM_ZALLOC(sizeof (uint32_t) * ndmas,
1526 	    KM_SLEEP);
1527 
1528 	/*
1529 	 * Assume that each DMA channel will be configured with default block
1530 	 * size. rbr block counts are mod of batch count (16).
1531 	 */
1532 	hxge_port_rbr_size = p_all_cfgp->rbr_size;
1533 	hxge_port_rcr_size = p_all_cfgp->rcr_size;
1534 
1535 	if (!hxge_port_rbr_size) {
1536 		hxge_port_rbr_size = HXGE_RBR_RBB_DEFAULT;
1537 	}
1538 
1539 	if (hxge_port_rbr_size % HXGE_RXDMA_POST_BATCH) {
1540 		hxge_port_rbr_size = (HXGE_RXDMA_POST_BATCH *
1541 		    (hxge_port_rbr_size / HXGE_RXDMA_POST_BATCH + 1));
1542 	}
1543 
1544 	p_all_cfgp->rbr_size = hxge_port_rbr_size;
1545 	hxge_port_rbr_spare_size = hxge_rbr_spare_size;
1546 
1547 	if (hxge_port_rbr_spare_size % HXGE_RXDMA_POST_BATCH) {
1548 		hxge_port_rbr_spare_size = (HXGE_RXDMA_POST_BATCH *
1549 		    (hxge_port_rbr_spare_size / HXGE_RXDMA_POST_BATCH + 1));
1550 	}
1551 
1552 	rx_buf_alloc_size = (hxgep->rx_default_block_size *
1553 	    (hxge_port_rbr_size + hxge_port_rbr_spare_size));
1554 
1555 	/*
1556 	 * Addresses of receive block ring, receive completion ring and the
1557 	 * mailbox must be all cache-aligned (64 bytes).
1558 	 */
1559 	rx_rbr_cntl_alloc_size = hxge_port_rbr_size + hxge_port_rbr_spare_size;
1560 	rx_rbr_cntl_alloc_size *= sizeof (rx_desc_t);
1561 	rx_rcr_cntl_alloc_size = sizeof (rcr_entry_t) * hxge_port_rcr_size;
1562 	rx_mbox_cntl_alloc_size = sizeof (rxdma_mailbox_t);
1563 
1564 	HXGE_DEBUG_MSG((hxgep, MEM2_CTL, "==> hxge_alloc_rx_mem_pool: "
1565 	    "hxge_port_rbr_size = %d hxge_port_rbr_spare_size = %d "
1566 	    "hxge_port_rcr_size = %d rx_cntl_alloc_size = %d",
1567 	    hxge_port_rbr_size, hxge_port_rbr_spare_size,
1568 	    hxge_port_rcr_size, rx_cntl_alloc_size));
1569 
1570 	hxgep->hxge_port_rbr_size = hxge_port_rbr_size;
1571 	hxgep->hxge_port_rcr_size = hxge_port_rcr_size;
1572 
1573 	/*
1574 	 * Allocate memory for receive buffers and descriptor rings. Replace
1575 	 * allocation functions with interface functions provided by the
1576 	 * partition manager when it is available.
1577 	 */
1578 	/*
1579 	 * Allocate memory for the receive buffer blocks.
1580 	 */
1581 	for (i = 0; i < ndmas; i++) {
1582 		HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1583 		    " hxge_alloc_rx_mem_pool to alloc mem: "
1584 		    " dma %d dma_buf_p %llx &dma_buf_p %llx",
1585 		    i, dma_buf_p[i], &dma_buf_p[i]));
1586 
1587 		num_chunks[i] = 0;
1588 
1589 		status = hxge_alloc_rx_buf_dma(hxgep, st_rdc, &dma_buf_p[i],
1590 		    rx_buf_alloc_size, hxgep->rx_default_block_size,
1591 		    &num_chunks[i]);
1592 		if (status != HXGE_OK) {
1593 			break;
1594 		}
1595 
1596 		st_rdc++;
1597 		HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1598 		    " hxge_alloc_rx_mem_pool DONE  alloc mem: "
1599 		    "dma %d dma_buf_p %llx &dma_buf_p %llx", i,
1600 		    dma_buf_p[i], &dma_buf_p[i]));
1601 	}
1602 
1603 	if (i < ndmas) {
1604 		goto hxge_alloc_rx_mem_fail1;
1605 	}
1606 
1607 	/*
1608 	 * Allocate memory for descriptor rings and mailbox.
1609 	 */
1610 	st_rdc = p_cfgp->start_rdc;
1611 	for (j = 0; j < ndmas; j++) {
1612 		if ((status = hxge_alloc_rx_cntl_dma(hxgep, st_rdc,
1613 		    &dma_rbr_cntl_p[j], &hxge_rx_rbr_desc_dma_attr,
1614 		    rx_rbr_cntl_alloc_size)) != HXGE_OK) {
1615 			break;
1616 		}
1617 
1618 		if ((status = hxge_alloc_rx_cntl_dma(hxgep, st_rdc,
1619 		    &dma_rcr_cntl_p[j], &hxge_rx_rcr_desc_dma_attr,
1620 		    rx_rcr_cntl_alloc_size)) != HXGE_OK) {
1621 			break;
1622 		}
1623 
1624 		if ((status = hxge_alloc_rx_cntl_dma(hxgep, st_rdc,
1625 		    &dma_mbox_cntl_p[j], &hxge_rx_mbox_dma_attr,
1626 		    rx_mbox_cntl_alloc_size)) != HXGE_OK) {
1627 			break;
1628 		}
1629 		st_rdc++;
1630 	}
1631 
1632 	if (j < ndmas) {
1633 		goto hxge_alloc_rx_mem_fail2;
1634 	}
1635 
1636 	dma_poolp->ndmas = ndmas;
1637 	dma_poolp->num_chunks = num_chunks;
1638 	dma_poolp->buf_allocated = B_TRUE;
1639 	hxgep->rx_buf_pool_p = dma_poolp;
1640 	dma_poolp->dma_buf_pool_p = dma_buf_p;
1641 
1642 	dma_rbr_cntl_poolp->ndmas = ndmas;
1643 	dma_rbr_cntl_poolp->buf_allocated = B_TRUE;
1644 	hxgep->rx_rbr_cntl_pool_p = dma_rbr_cntl_poolp;
1645 	dma_rbr_cntl_poolp->dma_buf_pool_p = dma_rbr_cntl_p;
1646 
1647 	dma_rcr_cntl_poolp->ndmas = ndmas;
1648 	dma_rcr_cntl_poolp->buf_allocated = B_TRUE;
1649 	hxgep->rx_rcr_cntl_pool_p = dma_rcr_cntl_poolp;
1650 	dma_rcr_cntl_poolp->dma_buf_pool_p = dma_rcr_cntl_p;
1651 
1652 	dma_mbox_cntl_poolp->ndmas = ndmas;
1653 	dma_mbox_cntl_poolp->buf_allocated = B_TRUE;
1654 	hxgep->rx_mbox_cntl_pool_p = dma_mbox_cntl_poolp;
1655 	dma_mbox_cntl_poolp->dma_buf_pool_p = dma_mbox_cntl_p;
1656 
1657 	goto hxge_alloc_rx_mem_pool_exit;
1658 
1659 hxge_alloc_rx_mem_fail2:
1660 	/* Free control buffers */
1661 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1662 	    "==> hxge_alloc_rx_mem_pool: freeing control bufs (%d)", j));
1663 	for (; j >= 0; j--) {
1664 		hxge_free_rx_cntl_dma(hxgep,
1665 		    (p_hxge_dma_common_t)dma_rbr_cntl_p[j]);
1666 		hxge_free_rx_cntl_dma(hxgep,
1667 		    (p_hxge_dma_common_t)dma_rcr_cntl_p[j]);
1668 		hxge_free_rx_cntl_dma(hxgep,
1669 		    (p_hxge_dma_common_t)dma_mbox_cntl_p[j]);
1670 		HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1671 		    "==> hxge_alloc_rx_mem_pool: control bufs freed (%d)", j));
1672 	}
1673 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1674 	    "==> hxge_alloc_rx_mem_pool: control bufs freed (%d)", j));
1675 
1676 hxge_alloc_rx_mem_fail1:
1677 	/* Free data buffers */
1678 	i--;
1679 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1680 	    "==> hxge_alloc_rx_mem_pool: freeing data bufs (%d)", i));
1681 	for (; i >= 0; i--) {
1682 		hxge_free_rx_buf_dma(hxgep, (p_hxge_dma_common_t)dma_buf_p[i],
1683 		    num_chunks[i]);
1684 	}
1685 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1686 	    "==> hxge_alloc_rx_mem_pool: data bufs freed (%d)", i));
1687 
1688 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
1689 	KMEM_FREE(dma_poolp, sizeof (hxge_dma_pool_t));
1690 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_hxge_dma_common_t));
1691 	KMEM_FREE(dma_rbr_cntl_poolp, sizeof (hxge_dma_pool_t));
1692 	KMEM_FREE(dma_rbr_cntl_p, ndmas * sizeof (p_hxge_dma_common_t));
1693 	KMEM_FREE(dma_rcr_cntl_poolp, sizeof (hxge_dma_pool_t));
1694 	KMEM_FREE(dma_rcr_cntl_p, ndmas * sizeof (p_hxge_dma_common_t));
1695 	KMEM_FREE(dma_mbox_cntl_poolp, sizeof (hxge_dma_pool_t));
1696 	KMEM_FREE(dma_mbox_cntl_p, ndmas * sizeof (p_hxge_dma_common_t));
1697 
1698 hxge_alloc_rx_mem_pool_exit:
1699 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1700 	    "<== hxge_alloc_rx_mem_pool:status 0x%08x", status));
1701 
1702 	return (status);
1703 }
1704 
1705 static void
1706 hxge_free_rx_mem_pool(p_hxge_t hxgep)
1707 {
1708 	uint32_t		i, ndmas;
1709 	p_hxge_dma_pool_t	dma_poolp;
1710 	p_hxge_dma_common_t	*dma_buf_p;
1711 	p_hxge_dma_pool_t	dma_rbr_cntl_poolp;
1712 	p_hxge_dma_common_t	*dma_rbr_cntl_p;
1713 	p_hxge_dma_pool_t	dma_rcr_cntl_poolp;
1714 	p_hxge_dma_common_t	*dma_rcr_cntl_p;
1715 	p_hxge_dma_pool_t	dma_mbox_cntl_poolp;
1716 	p_hxge_dma_common_t	*dma_mbox_cntl_p;
1717 	uint32_t		*num_chunks;
1718 
1719 	HXGE_DEBUG_MSG((hxgep, MEM2_CTL, "==> hxge_free_rx_mem_pool"));
1720 
1721 	dma_poolp = hxgep->rx_buf_pool_p;
1722 	if (dma_poolp == NULL || (!dma_poolp->buf_allocated)) {
1723 		HXGE_DEBUG_MSG((hxgep, MEM2_CTL, "<== hxge_free_rx_mem_pool "
1724 		    "(null rx buf pool or buf not allocated"));
1725 		return;
1726 	}
1727 
1728 	dma_rbr_cntl_poolp = hxgep->rx_rbr_cntl_pool_p;
1729 	if (dma_rbr_cntl_poolp == NULL ||
1730 	    (!dma_rbr_cntl_poolp->buf_allocated)) {
1731 		HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1732 		    "<== hxge_free_rx_mem_pool "
1733 		    "(null rbr cntl buf pool or rbr cntl buf not allocated"));
1734 		return;
1735 	}
1736 
1737 	dma_rcr_cntl_poolp = hxgep->rx_rcr_cntl_pool_p;
1738 	if (dma_rcr_cntl_poolp == NULL ||
1739 	    (!dma_rcr_cntl_poolp->buf_allocated)) {
1740 		HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1741 		    "<== hxge_free_rx_mem_pool "
1742 		    "(null rcr cntl buf pool or rcr cntl buf not allocated"));
1743 		return;
1744 	}
1745 
1746 	dma_mbox_cntl_poolp = hxgep->rx_mbox_cntl_pool_p;
1747 	if (dma_mbox_cntl_poolp == NULL ||
1748 	    (!dma_mbox_cntl_poolp->buf_allocated)) {
1749 		HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1750 		    "<== hxge_free_rx_mem_pool "
1751 		    "(null mbox cntl buf pool or mbox cntl buf not allocated"));
1752 		return;
1753 	}
1754 
1755 	dma_buf_p = dma_poolp->dma_buf_pool_p;
1756 	num_chunks = dma_poolp->num_chunks;
1757 
1758 	dma_rbr_cntl_p = dma_rbr_cntl_poolp->dma_buf_pool_p;
1759 	dma_rcr_cntl_p = dma_rcr_cntl_poolp->dma_buf_pool_p;
1760 	dma_mbox_cntl_p = dma_mbox_cntl_poolp->dma_buf_pool_p;
1761 	ndmas = dma_rbr_cntl_poolp->ndmas;
1762 
1763 	for (i = 0; i < ndmas; i++) {
1764 		hxge_free_rx_buf_dma(hxgep, dma_buf_p[i], num_chunks[i]);
1765 	}
1766 
1767 	for (i = 0; i < ndmas; i++) {
1768 		hxge_free_rx_cntl_dma(hxgep, dma_rbr_cntl_p[i]);
1769 		hxge_free_rx_cntl_dma(hxgep, dma_rcr_cntl_p[i]);
1770 		hxge_free_rx_cntl_dma(hxgep, dma_mbox_cntl_p[i]);
1771 	}
1772 
1773 	for (i = 0; i < ndmas; i++) {
1774 		KMEM_FREE(dma_buf_p[i],
1775 		    sizeof (hxge_dma_common_t) * HXGE_DMA_BLOCK);
1776 		KMEM_FREE(dma_rbr_cntl_p[i], sizeof (hxge_dma_common_t));
1777 		KMEM_FREE(dma_rcr_cntl_p[i], sizeof (hxge_dma_common_t));
1778 		KMEM_FREE(dma_mbox_cntl_p[i], sizeof (hxge_dma_common_t));
1779 	}
1780 
1781 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
1782 	KMEM_FREE(dma_rbr_cntl_p, ndmas * sizeof (p_hxge_dma_common_t));
1783 	KMEM_FREE(dma_rbr_cntl_poolp, sizeof (hxge_dma_pool_t));
1784 	KMEM_FREE(dma_rcr_cntl_p, ndmas * sizeof (p_hxge_dma_common_t));
1785 	KMEM_FREE(dma_rcr_cntl_poolp, sizeof (hxge_dma_pool_t));
1786 	KMEM_FREE(dma_mbox_cntl_p, ndmas * sizeof (p_hxge_dma_common_t));
1787 	KMEM_FREE(dma_mbox_cntl_poolp, sizeof (hxge_dma_pool_t));
1788 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_hxge_dma_common_t));
1789 	KMEM_FREE(dma_poolp, sizeof (hxge_dma_pool_t));
1790 
1791 	hxgep->rx_buf_pool_p = NULL;
1792 	hxgep->rx_rbr_cntl_pool_p = NULL;
1793 	hxgep->rx_rcr_cntl_pool_p = NULL;
1794 	hxgep->rx_mbox_cntl_pool_p = NULL;
1795 
1796 	HXGE_DEBUG_MSG((hxgep, MEM2_CTL, "<== hxge_free_rx_mem_pool"));
1797 }
1798 
1799 static hxge_status_t
1800 hxge_alloc_rx_buf_dma(p_hxge_t hxgep, uint16_t dma_channel,
1801     p_hxge_dma_common_t *dmap,
1802     size_t alloc_size, size_t block_size, uint32_t *num_chunks)
1803 {
1804 	p_hxge_dma_common_t	rx_dmap;
1805 	hxge_status_t		status = HXGE_OK;
1806 	size_t			total_alloc_size;
1807 	size_t			allocated = 0;
1808 	int			i, size_index, array_size;
1809 
1810 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_alloc_rx_buf_dma"));
1811 
1812 	rx_dmap = (p_hxge_dma_common_t)
1813 	    KMEM_ZALLOC(sizeof (hxge_dma_common_t) * HXGE_DMA_BLOCK, KM_SLEEP);
1814 
1815 	HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1816 	    " alloc_rx_buf_dma rdc %d asize %x bsize %x bbuf %llx ",
1817 	    dma_channel, alloc_size, block_size, dmap));
1818 
1819 	total_alloc_size = alloc_size;
1820 
1821 	i = 0;
1822 	size_index = 0;
1823 	array_size = sizeof (alloc_sizes) / sizeof (size_t);
1824 	while ((size_index < array_size) &&
1825 	    (alloc_sizes[size_index] < alloc_size))
1826 		size_index++;
1827 	if (size_index >= array_size) {
1828 		size_index = array_size - 1;
1829 	}
1830 
1831 	while ((allocated < total_alloc_size) &&
1832 	    (size_index >= 0) && (i < HXGE_DMA_BLOCK)) {
1833 		rx_dmap[i].dma_chunk_index = i;
1834 		rx_dmap[i].block_size = block_size;
1835 		rx_dmap[i].alength = alloc_sizes[size_index];
1836 		rx_dmap[i].orig_alength = rx_dmap[i].alength;
1837 		rx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
1838 		rx_dmap[i].dma_channel = dma_channel;
1839 		rx_dmap[i].contig_alloc_type = B_FALSE;
1840 
1841 		HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1842 		    "alloc_rx_buf_dma rdc %d chunk %d bufp %llx size %x "
1843 		    "i %d nblocks %d alength %d",
1844 		    dma_channel, i, &rx_dmap[i], block_size,
1845 		    i, rx_dmap[i].nblocks, rx_dmap[i].alength));
1846 		status = hxge_dma_mem_alloc(hxgep, hxge_force_dma,
1847 		    &hxge_rx_dma_attr, rx_dmap[i].alength,
1848 		    &hxge_dev_buf_dma_acc_attr,
1849 		    DDI_DMA_READ | DDI_DMA_STREAMING,
1850 		    (p_hxge_dma_common_t)(&rx_dmap[i]));
1851 		if (status != HXGE_OK) {
1852 			HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1853 			    " hxge_alloc_rx_buf_dma: Alloc Failed: "
1854 			    " for size: %d", alloc_sizes[size_index]));
1855 			size_index--;
1856 		} else {
1857 			HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1858 			    " alloc_rx_buf_dma allocated rdc %d "
1859 			    "chunk %d size %x dvma %x bufp %llx ",
1860 			    dma_channel, i, rx_dmap[i].alength,
1861 			    rx_dmap[i].ioaddr_pp, &rx_dmap[i]));
1862 			i++;
1863 			allocated += alloc_sizes[size_index];
1864 		}
1865 	}
1866 
1867 	if (allocated < total_alloc_size) {
1868 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
1869 		    " hxge_alloc_rx_buf_dma failed due to"
1870 		    " allocated(%d) < required(%d)",
1871 		    allocated, total_alloc_size));
1872 		goto hxge_alloc_rx_mem_fail1;
1873 	}
1874 
1875 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1876 	    " alloc_rx_buf_dma rdc %d allocated %d chunks", dma_channel, i));
1877 
1878 	*num_chunks = i;
1879 	*dmap = rx_dmap;
1880 
1881 	goto hxge_alloc_rx_mem_exit;
1882 
1883 hxge_alloc_rx_mem_fail1:
1884 	KMEM_FREE(rx_dmap, sizeof (hxge_dma_common_t) * HXGE_DMA_BLOCK);
1885 
1886 hxge_alloc_rx_mem_exit:
1887 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1888 	    "<== hxge_alloc_rx_buf_dma status 0x%08x", status));
1889 
1890 	return (status);
1891 }
1892 
1893 /*ARGSUSED*/
1894 static void
1895 hxge_free_rx_buf_dma(p_hxge_t hxgep, p_hxge_dma_common_t dmap,
1896     uint32_t num_chunks)
1897 {
1898 	int i;
1899 
1900 	HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1901 	    "==> hxge_free_rx_buf_dma: # of chunks %d", num_chunks));
1902 
1903 	for (i = 0; i < num_chunks; i++) {
1904 		HXGE_DEBUG_MSG((hxgep, MEM2_CTL,
1905 		    "==> hxge_free_rx_buf_dma: chunk %d dmap 0x%llx", i, dmap));
1906 		hxge_dma_mem_free(dmap++);
1907 	}
1908 
1909 	HXGE_DEBUG_MSG((hxgep, MEM2_CTL, "<== hxge_free_rx_buf_dma"));
1910 }
1911 
1912 /*ARGSUSED*/
1913 static hxge_status_t
1914 hxge_alloc_rx_cntl_dma(p_hxge_t hxgep, uint16_t dma_channel,
1915     p_hxge_dma_common_t *dmap, struct ddi_dma_attr *attr, size_t size)
1916 {
1917 	p_hxge_dma_common_t	rx_dmap;
1918 	hxge_status_t		status = HXGE_OK;
1919 
1920 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_alloc_rx_cntl_dma"));
1921 
1922 	rx_dmap = (p_hxge_dma_common_t)
1923 	    KMEM_ZALLOC(sizeof (hxge_dma_common_t), KM_SLEEP);
1924 
1925 	rx_dmap->contig_alloc_type = B_FALSE;
1926 
1927 	status = hxge_dma_mem_alloc(hxgep, hxge_force_dma,
1928 	    attr, size, &hxge_dev_desc_dma_acc_attr,
1929 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT, rx_dmap);
1930 	if (status != HXGE_OK) {
1931 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
1932 		    " hxge_alloc_rx_cntl_dma: Alloc Failed: "
1933 		    " for size: %d", size));
1934 		goto hxge_alloc_rx_cntl_dma_fail1;
1935 	}
1936 
1937 	*dmap = rx_dmap;
1938 
1939 	goto hxge_alloc_rx_cntl_dma_exit;
1940 
1941 hxge_alloc_rx_cntl_dma_fail1:
1942 	KMEM_FREE(rx_dmap, sizeof (hxge_dma_common_t));
1943 
1944 hxge_alloc_rx_cntl_dma_exit:
1945 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
1946 	    "<== hxge_alloc_rx_cntl_dma status 0x%08x", status));
1947 
1948 	return (status);
1949 }
1950 
1951 /*ARGSUSED*/
1952 static void
1953 hxge_free_rx_cntl_dma(p_hxge_t hxgep, p_hxge_dma_common_t dmap)
1954 {
1955 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_free_rx_cntl_dma"));
1956 
1957 	hxge_dma_mem_free(dmap);
1958 
1959 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "<== hxge_free_rx_cntl_dma"));
1960 }
1961 
1962 static hxge_status_t
1963 hxge_alloc_tx_mem_pool(p_hxge_t hxgep)
1964 {
1965 	hxge_status_t		status = HXGE_OK;
1966 	int			i, j;
1967 	uint32_t		ndmas, st_tdc;
1968 	p_hxge_dma_pt_cfg_t	p_all_cfgp;
1969 	p_hxge_hw_pt_cfg_t	p_cfgp;
1970 	p_hxge_dma_pool_t	dma_poolp;
1971 	p_hxge_dma_common_t	*dma_buf_p;
1972 	p_hxge_dma_pool_t	dma_cntl_poolp;
1973 	p_hxge_dma_common_t	*dma_cntl_p;
1974 	size_t			tx_buf_alloc_size;
1975 	size_t			tx_cntl_alloc_size;
1976 	uint32_t		*num_chunks;	/* per dma */
1977 
1978 	HXGE_DEBUG_MSG((hxgep, MEM_CTL, "==> hxge_alloc_tx_mem_pool"));
1979 
1980 	p_all_cfgp = (p_hxge_dma_pt_cfg_t)&hxgep->pt_config;
1981 	p_cfgp = (p_hxge_hw_pt_cfg_t)&p_all_cfgp->hw_config;
1982 	st_tdc = p_cfgp->start_tdc;
1983 	ndmas = p_cfgp->max_tdcs;
1984 
1985 	HXGE_DEBUG_MSG((hxgep, MEM_CTL, "==> hxge_alloc_tx_mem_pool: "
1986 	    "p_cfgp 0x%016llx start_tdc %d ndmas %d hxgep->max_tdcs %d",
1987 	    p_cfgp, p_cfgp->start_tdc, p_cfgp->max_tdcs, hxgep->max_tdcs));
1988 	/*
1989 	 * Allocate memory for each transmit DMA channel.
1990 	 */
1991 	dma_poolp = (p_hxge_dma_pool_t)KMEM_ZALLOC(sizeof (hxge_dma_pool_t),
1992 	    KM_SLEEP);
1993 	dma_buf_p = (p_hxge_dma_common_t *)KMEM_ZALLOC(
1994 	    sizeof (p_hxge_dma_common_t) * ndmas, KM_SLEEP);
1995 
1996 	dma_cntl_poolp = (p_hxge_dma_pool_t)
1997 	    KMEM_ZALLOC(sizeof (hxge_dma_pool_t), KM_SLEEP);
1998 	dma_cntl_p = (p_hxge_dma_common_t *)KMEM_ZALLOC(
1999 	    sizeof (p_hxge_dma_common_t) * ndmas, KM_SLEEP);
2000 
2001 	hxgep->hxge_port_tx_ring_size = hxge_tx_ring_size;
2002 
2003 	/*
2004 	 * Assume that each DMA channel will be configured with default
2005 	 * transmit bufer size for copying transmit data. (For packet payload
2006 	 * over this limit, packets will not be copied.)
2007 	 */
2008 	tx_buf_alloc_size = (hxge_bcopy_thresh * hxge_tx_ring_size);
2009 
2010 	/*
2011 	 * Addresses of transmit descriptor ring and the mailbox must be all
2012 	 * cache-aligned (64 bytes).
2013 	 */
2014 	tx_cntl_alloc_size = hxge_tx_ring_size;
2015 	tx_cntl_alloc_size *= (sizeof (tx_desc_t));
2016 	tx_cntl_alloc_size += sizeof (txdma_mailbox_t);
2017 
2018 	num_chunks = (uint32_t *)KMEM_ZALLOC(sizeof (uint32_t) * ndmas,
2019 	    KM_SLEEP);
2020 
2021 	/*
2022 	 * Allocate memory for transmit buffers and descriptor rings. Replace
2023 	 * allocation functions with interface functions provided by the
2024 	 * partition manager when it is available.
2025 	 *
2026 	 * Allocate memory for the transmit buffer pool.
2027 	 */
2028 	for (i = 0; i < ndmas; i++) {
2029 		num_chunks[i] = 0;
2030 		status = hxge_alloc_tx_buf_dma(hxgep, st_tdc, &dma_buf_p[i],
2031 		    tx_buf_alloc_size, hxge_bcopy_thresh, &num_chunks[i]);
2032 		if (status != HXGE_OK) {
2033 			break;
2034 		}
2035 		st_tdc++;
2036 	}
2037 
2038 	if (i < ndmas) {
2039 		goto hxge_alloc_tx_mem_pool_fail1;
2040 	}
2041 
2042 	st_tdc = p_cfgp->start_tdc;
2043 
2044 	/*
2045 	 * Allocate memory for descriptor rings and mailbox.
2046 	 */
2047 	for (j = 0; j < ndmas; j++) {
2048 		status = hxge_alloc_tx_cntl_dma(hxgep, st_tdc, &dma_cntl_p[j],
2049 		    tx_cntl_alloc_size);
2050 		if (status != HXGE_OK) {
2051 			break;
2052 		}
2053 		st_tdc++;
2054 	}
2055 
2056 	if (j < ndmas) {
2057 		goto hxge_alloc_tx_mem_pool_fail2;
2058 	}
2059 
2060 	dma_poolp->ndmas = ndmas;
2061 	dma_poolp->num_chunks = num_chunks;
2062 	dma_poolp->buf_allocated = B_TRUE;
2063 	dma_poolp->dma_buf_pool_p = dma_buf_p;
2064 	hxgep->tx_buf_pool_p = dma_poolp;
2065 
2066 	dma_cntl_poolp->ndmas = ndmas;
2067 	dma_cntl_poolp->buf_allocated = B_TRUE;
2068 	dma_cntl_poolp->dma_buf_pool_p = dma_cntl_p;
2069 	hxgep->tx_cntl_pool_p = dma_cntl_poolp;
2070 
2071 	HXGE_DEBUG_MSG((hxgep, MEM_CTL,
2072 	    "==> hxge_alloc_tx_mem_pool: start_tdc %d "
2073 	    "ndmas %d poolp->ndmas %d", st_tdc, ndmas, dma_poolp->ndmas));
2074 
2075 	goto hxge_alloc_tx_mem_pool_exit;
2076 
2077 hxge_alloc_tx_mem_pool_fail2:
2078 	/* Free control buffers */
2079 	j--;
2080 	for (; j >= 0; j--) {
2081 		hxge_free_tx_cntl_dma(hxgep,
2082 		    (p_hxge_dma_common_t)dma_cntl_p[j]);
2083 	}
2084 
2085 hxge_alloc_tx_mem_pool_fail1:
2086 	/* Free data buffers */
2087 	i--;
2088 	for (; i >= 0; i--) {
2089 		hxge_free_tx_buf_dma(hxgep, (p_hxge_dma_common_t)dma_buf_p[i],
2090 		    num_chunks[i]);
2091 	}
2092 
2093 	KMEM_FREE(dma_poolp, sizeof (hxge_dma_pool_t));
2094 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_hxge_dma_common_t));
2095 	KMEM_FREE(dma_cntl_poolp, sizeof (hxge_dma_pool_t));
2096 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_hxge_dma_common_t));
2097 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2098 
2099 hxge_alloc_tx_mem_pool_exit:
2100 	HXGE_DEBUG_MSG((hxgep, MEM_CTL,
2101 	    "<== hxge_alloc_tx_mem_pool:status 0x%08x", status));
2102 
2103 	return (status);
2104 }
2105 
2106 static hxge_status_t
2107 hxge_alloc_tx_buf_dma(p_hxge_t hxgep, uint16_t dma_channel,
2108     p_hxge_dma_common_t *dmap, size_t alloc_size,
2109     size_t block_size, uint32_t *num_chunks)
2110 {
2111 	p_hxge_dma_common_t	tx_dmap;
2112 	hxge_status_t		status = HXGE_OK;
2113 	size_t			total_alloc_size;
2114 	size_t			allocated = 0;
2115 	int			i, size_index, array_size;
2116 
2117 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_alloc_tx_buf_dma"));
2118 
2119 	tx_dmap = (p_hxge_dma_common_t)
2120 	    KMEM_ZALLOC(sizeof (hxge_dma_common_t) * HXGE_DMA_BLOCK, KM_SLEEP);
2121 
2122 	total_alloc_size = alloc_size;
2123 	i = 0;
2124 	size_index = 0;
2125 	array_size = sizeof (alloc_sizes) / sizeof (size_t);
2126 	while ((size_index < array_size) &&
2127 	    (alloc_sizes[size_index] < alloc_size))
2128 		size_index++;
2129 	if (size_index >= array_size) {
2130 		size_index = array_size - 1;
2131 	}
2132 
2133 	while ((allocated < total_alloc_size) &&
2134 	    (size_index >= 0) && (i < HXGE_DMA_BLOCK)) {
2135 		tx_dmap[i].dma_chunk_index = i;
2136 		tx_dmap[i].block_size = block_size;
2137 		tx_dmap[i].alength = alloc_sizes[size_index];
2138 		tx_dmap[i].orig_alength = tx_dmap[i].alength;
2139 		tx_dmap[i].nblocks = alloc_sizes[size_index] / block_size;
2140 		tx_dmap[i].dma_channel = dma_channel;
2141 		tx_dmap[i].contig_alloc_type = B_FALSE;
2142 
2143 		status = hxge_dma_mem_alloc(hxgep, hxge_force_dma,
2144 		    &hxge_tx_dma_attr, tx_dmap[i].alength,
2145 		    &hxge_dev_buf_dma_acc_attr,
2146 		    DDI_DMA_WRITE | DDI_DMA_STREAMING,
2147 		    (p_hxge_dma_common_t)(&tx_dmap[i]));
2148 		if (status != HXGE_OK) {
2149 			HXGE_DEBUG_MSG((hxgep, DMA_CTL,
2150 			    " hxge_alloc_tx_buf_dma: Alloc Failed: "
2151 			    " for size: %d", alloc_sizes[size_index]));
2152 			size_index--;
2153 		} else {
2154 			i++;
2155 			allocated += alloc_sizes[size_index];
2156 		}
2157 	}
2158 
2159 	if (allocated < total_alloc_size) {
2160 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2161 		    " hxge_alloc_tx_buf_dma: failed due to"
2162 		    " allocated(%d) < required(%d)",
2163 		    allocated, total_alloc_size));
2164 		goto hxge_alloc_tx_mem_fail1;
2165 	}
2166 
2167 	*num_chunks = i;
2168 	*dmap = tx_dmap;
2169 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
2170 	    "==> hxge_alloc_tx_buf_dma dmap 0x%016llx num chunks %d",
2171 	    *dmap, i));
2172 	goto hxge_alloc_tx_mem_exit;
2173 
2174 hxge_alloc_tx_mem_fail1:
2175 	KMEM_FREE(tx_dmap, sizeof (hxge_dma_common_t) * HXGE_DMA_BLOCK);
2176 
2177 hxge_alloc_tx_mem_exit:
2178 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
2179 	    "<== hxge_alloc_tx_buf_dma status 0x%08x", status));
2180 
2181 	return (status);
2182 }
2183 
2184 /*ARGSUSED*/
2185 static void
2186 hxge_free_tx_buf_dma(p_hxge_t hxgep, p_hxge_dma_common_t dmap,
2187     uint32_t num_chunks)
2188 {
2189 	int i;
2190 
2191 	HXGE_DEBUG_MSG((hxgep, MEM_CTL, "==> hxge_free_tx_buf_dma"));
2192 
2193 	for (i = 0; i < num_chunks; i++) {
2194 		hxge_dma_mem_free(dmap++);
2195 	}
2196 
2197 	HXGE_DEBUG_MSG((hxgep, MEM_CTL, "<== hxge_free_tx_buf_dma"));
2198 }
2199 
2200 /*ARGSUSED*/
2201 static hxge_status_t
2202 hxge_alloc_tx_cntl_dma(p_hxge_t hxgep, uint16_t dma_channel,
2203     p_hxge_dma_common_t *dmap, size_t size)
2204 {
2205 	p_hxge_dma_common_t	tx_dmap;
2206 	hxge_status_t		status = HXGE_OK;
2207 
2208 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_alloc_tx_cntl_dma"));
2209 
2210 	tx_dmap = (p_hxge_dma_common_t)KMEM_ZALLOC(sizeof (hxge_dma_common_t),
2211 	    KM_SLEEP);
2212 
2213 	tx_dmap->contig_alloc_type = B_FALSE;
2214 
2215 	status = hxge_dma_mem_alloc(hxgep, hxge_force_dma,
2216 	    &hxge_tx_desc_dma_attr, size, &hxge_dev_desc_dma_acc_attr,
2217 	    DDI_DMA_RDWR | DDI_DMA_CONSISTENT, tx_dmap);
2218 	if (status != HXGE_OK) {
2219 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2220 		    " hxge_alloc_tx_cntl_dma: Alloc Failed: "
2221 		    " for size: %d", size));
2222 		goto hxge_alloc_tx_cntl_dma_fail1;
2223 	}
2224 
2225 	*dmap = tx_dmap;
2226 
2227 	goto hxge_alloc_tx_cntl_dma_exit;
2228 
2229 hxge_alloc_tx_cntl_dma_fail1:
2230 	KMEM_FREE(tx_dmap, sizeof (hxge_dma_common_t));
2231 
2232 hxge_alloc_tx_cntl_dma_exit:
2233 	HXGE_DEBUG_MSG((hxgep, DMA_CTL,
2234 	    "<== hxge_alloc_tx_cntl_dma status 0x%08x", status));
2235 
2236 	return (status);
2237 }
2238 
2239 /*ARGSUSED*/
2240 static void
2241 hxge_free_tx_cntl_dma(p_hxge_t hxgep, p_hxge_dma_common_t dmap)
2242 {
2243 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "==> hxge_free_tx_cntl_dma"));
2244 
2245 	hxge_dma_mem_free(dmap);
2246 
2247 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "<== hxge_free_tx_cntl_dma"));
2248 }
2249 
2250 static void
2251 hxge_free_tx_mem_pool(p_hxge_t hxgep)
2252 {
2253 	uint32_t		i, ndmas;
2254 	p_hxge_dma_pool_t	dma_poolp;
2255 	p_hxge_dma_common_t	*dma_buf_p;
2256 	p_hxge_dma_pool_t	dma_cntl_poolp;
2257 	p_hxge_dma_common_t	*dma_cntl_p;
2258 	uint32_t		*num_chunks;
2259 
2260 	HXGE_DEBUG_MSG((hxgep, MEM3_CTL, "==> hxge_free_tx_mem_pool"));
2261 
2262 	dma_poolp = hxgep->tx_buf_pool_p;
2263 	if (dma_poolp == NULL || (!dma_poolp->buf_allocated)) {
2264 		HXGE_DEBUG_MSG((hxgep, MEM3_CTL,
2265 		    "<== hxge_free_tx_mem_pool "
2266 		    "(null rx buf pool or buf not allocated"));
2267 		return;
2268 	}
2269 
2270 	dma_cntl_poolp = hxgep->tx_cntl_pool_p;
2271 	if (dma_cntl_poolp == NULL || (!dma_cntl_poolp->buf_allocated)) {
2272 		HXGE_DEBUG_MSG((hxgep, MEM3_CTL,
2273 		    "<== hxge_free_tx_mem_pool "
2274 		    "(null tx cntl buf pool or cntl buf not allocated"));
2275 		return;
2276 	}
2277 
2278 	dma_buf_p = dma_poolp->dma_buf_pool_p;
2279 	num_chunks = dma_poolp->num_chunks;
2280 
2281 	dma_cntl_p = dma_cntl_poolp->dma_buf_pool_p;
2282 	ndmas = dma_cntl_poolp->ndmas;
2283 
2284 	for (i = 0; i < ndmas; i++) {
2285 		hxge_free_tx_buf_dma(hxgep, dma_buf_p[i], num_chunks[i]);
2286 	}
2287 
2288 	for (i = 0; i < ndmas; i++) {
2289 		hxge_free_tx_cntl_dma(hxgep, dma_cntl_p[i]);
2290 	}
2291 
2292 	for (i = 0; i < ndmas; i++) {
2293 		KMEM_FREE(dma_buf_p[i],
2294 		    sizeof (hxge_dma_common_t) * HXGE_DMA_BLOCK);
2295 		KMEM_FREE(dma_cntl_p[i], sizeof (hxge_dma_common_t));
2296 	}
2297 
2298 	KMEM_FREE(num_chunks, sizeof (uint32_t) * ndmas);
2299 	KMEM_FREE(dma_cntl_p, ndmas * sizeof (p_hxge_dma_common_t));
2300 	KMEM_FREE(dma_cntl_poolp, sizeof (hxge_dma_pool_t));
2301 	KMEM_FREE(dma_buf_p, ndmas * sizeof (p_hxge_dma_common_t));
2302 	KMEM_FREE(dma_poolp, sizeof (hxge_dma_pool_t));
2303 
2304 	hxgep->tx_buf_pool_p = NULL;
2305 	hxgep->tx_cntl_pool_p = NULL;
2306 
2307 	HXGE_DEBUG_MSG((hxgep, MEM3_CTL, "<== hxge_free_tx_mem_pool"));
2308 }
2309 
2310 /*ARGSUSED*/
2311 static hxge_status_t
2312 hxge_dma_mem_alloc(p_hxge_t hxgep, dma_method_t method,
2313     struct ddi_dma_attr *dma_attrp,
2314     size_t length, ddi_device_acc_attr_t *acc_attr_p, uint_t xfer_flags,
2315     p_hxge_dma_common_t dma_p)
2316 {
2317 	caddr_t		kaddrp;
2318 	int		ddi_status = DDI_SUCCESS;
2319 
2320 	dma_p->dma_handle = NULL;
2321 	dma_p->acc_handle = NULL;
2322 	dma_p->kaddrp = NULL;
2323 
2324 	ddi_status = ddi_dma_alloc_handle(hxgep->dip, dma_attrp,
2325 	    DDI_DMA_DONTWAIT, NULL, &dma_p->dma_handle);
2326 	if (ddi_status != DDI_SUCCESS) {
2327 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2328 		    "hxge_dma_mem_alloc:ddi_dma_alloc_handle failed."));
2329 		return (HXGE_ERROR | HXGE_DDI_FAILED);
2330 	}
2331 
2332 	ddi_status = ddi_dma_mem_alloc(dma_p->dma_handle, length, acc_attr_p,
2333 	    xfer_flags, DDI_DMA_DONTWAIT, 0, &kaddrp, &dma_p->alength,
2334 	    &dma_p->acc_handle);
2335 	if (ddi_status != DDI_SUCCESS) {
2336 		/* The caller will decide whether it is fatal */
2337 		HXGE_DEBUG_MSG((hxgep, DMA_CTL,
2338 		    "hxge_dma_mem_alloc:ddi_dma_mem_alloc failed"));
2339 		ddi_dma_free_handle(&dma_p->dma_handle);
2340 		dma_p->dma_handle = NULL;
2341 		return (HXGE_ERROR | HXGE_DDI_FAILED);
2342 	}
2343 
2344 	if (dma_p->alength < length) {
2345 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2346 		    "hxge_dma_mem_alloc:ddi_dma_mem_alloc < length."));
2347 		ddi_dma_mem_free(&dma_p->acc_handle);
2348 		ddi_dma_free_handle(&dma_p->dma_handle);
2349 		dma_p->acc_handle = NULL;
2350 		dma_p->dma_handle = NULL;
2351 		return (HXGE_ERROR);
2352 	}
2353 
2354 	ddi_status = ddi_dma_addr_bind_handle(dma_p->dma_handle, NULL,
2355 	    kaddrp, dma_p->alength, xfer_flags, DDI_DMA_DONTWAIT, 0,
2356 	    &dma_p->dma_cookie, &dma_p->ncookies);
2357 	if (ddi_status != DDI_DMA_MAPPED) {
2358 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2359 		    "hxge_dma_mem_alloc:di_dma_addr_bind failed "
2360 		    "(staus 0x%x ncookies %d.)", ddi_status, dma_p->ncookies));
2361 		if (dma_p->acc_handle) {
2362 			ddi_dma_mem_free(&dma_p->acc_handle);
2363 			dma_p->acc_handle = NULL;
2364 		}
2365 		ddi_dma_free_handle(&dma_p->dma_handle);
2366 		dma_p->dma_handle = NULL;
2367 		return (HXGE_ERROR | HXGE_DDI_FAILED);
2368 	}
2369 
2370 	if (dma_p->ncookies != 1) {
2371 		HXGE_DEBUG_MSG((hxgep, DMA_CTL,
2372 		    "hxge_dma_mem_alloc:ddi_dma_addr_bind > 1 cookie"
2373 		    "(staus 0x%x ncookies %d.)", ddi_status, dma_p->ncookies));
2374 		if (dma_p->acc_handle) {
2375 			ddi_dma_mem_free(&dma_p->acc_handle);
2376 			dma_p->acc_handle = NULL;
2377 		}
2378 		(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2379 		ddi_dma_free_handle(&dma_p->dma_handle);
2380 		dma_p->dma_handle = NULL;
2381 		return (HXGE_ERROR);
2382 	}
2383 
2384 	dma_p->kaddrp = kaddrp;
2385 #if defined(__i386)
2386 	dma_p->ioaddr_pp =
2387 	    (unsigned char *)(uint32_t)dma_p->dma_cookie.dmac_laddress;
2388 #else
2389 	dma_p->ioaddr_pp = (unsigned char *) dma_p->dma_cookie.dmac_laddress;
2390 #endif
2391 
2392 	HPI_DMA_ACC_HANDLE_SET(dma_p, dma_p->acc_handle);
2393 
2394 	HXGE_DEBUG_MSG((hxgep, DMA_CTL, "<== hxge_dma_mem_alloc: "
2395 	    "dma buffer allocated: dma_p $%p "
2396 	    "return dmac_ladress from cookie $%p dmac_size %d "
2397 	    "dma_p->ioaddr_p $%p "
2398 	    "dma_p->orig_ioaddr_p $%p "
2399 	    "orig_vatopa $%p "
2400 	    "alength %d (0x%x) "
2401 	    "kaddrp $%p "
2402 	    "length %d (0x%x)",
2403 	    dma_p,
2404 	    dma_p->dma_cookie.dmac_laddress,
2405 	    dma_p->dma_cookie.dmac_size,
2406 	    dma_p->ioaddr_pp,
2407 	    dma_p->orig_ioaddr_pp,
2408 	    dma_p->orig_vatopa,
2409 	    dma_p->alength, dma_p->alength,
2410 	    kaddrp,
2411 	    length, length));
2412 
2413 	return (HXGE_OK);
2414 }
2415 
2416 static void
2417 hxge_dma_mem_free(p_hxge_dma_common_t dma_p)
2418 {
2419 	if (dma_p == NULL)
2420 		return;
2421 
2422 	if (dma_p->dma_handle != NULL) {
2423 		if (dma_p->ncookies) {
2424 			(void) ddi_dma_unbind_handle(dma_p->dma_handle);
2425 			dma_p->ncookies = 0;
2426 		}
2427 		ddi_dma_free_handle(&dma_p->dma_handle);
2428 		dma_p->dma_handle = NULL;
2429 	}
2430 
2431 	if (dma_p->acc_handle != NULL) {
2432 		ddi_dma_mem_free(&dma_p->acc_handle);
2433 		dma_p->acc_handle = NULL;
2434 		HPI_DMA_ACC_HANDLE_SET(dma_p, NULL);
2435 	}
2436 
2437 	dma_p->kaddrp = NULL;
2438 	dma_p->alength = NULL;
2439 }
2440 
2441 /*
2442  *	hxge_m_start() -- start transmitting and receiving.
2443  *
2444  *	This function is called by the MAC layer when the first
2445  *	stream is open to prepare the hardware ready for sending
2446  *	and transmitting packets.
2447  */
2448 static int
2449 hxge_m_start(void *arg)
2450 {
2451 	p_hxge_t hxgep = (p_hxge_t)arg;
2452 
2453 	HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "==> hxge_m_start"));
2454 
2455 	MUTEX_ENTER(hxgep->genlock);
2456 
2457 	if (hxge_init(hxgep) != DDI_SUCCESS) {
2458 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2459 		    "<== hxge_m_start: initialization failed"));
2460 		MUTEX_EXIT(hxgep->genlock);
2461 		return (EIO);
2462 	}
2463 
2464 	if (hxgep->hxge_mac_state != HXGE_MAC_STARTED) {
2465 		/*
2466 		 * Start timer to check the system error and tx hangs
2467 		 */
2468 		hxgep->hxge_timerid = hxge_start_timer(hxgep,
2469 		    hxge_check_hw_state, HXGE_CHECK_TIMER);
2470 
2471 		hxgep->hxge_mac_state = HXGE_MAC_STARTED;
2472 
2473 		hxgep->timeout.link_status = 0;
2474 		hxgep->timeout.report_link_status = B_TRUE;
2475 		hxgep->timeout.ticks = drv_usectohz(2 * 1000000);
2476 
2477 		/* Start the link status timer to check the link status */
2478 		MUTEX_ENTER(&hxgep->timeout.lock);
2479 		hxgep->timeout.id = timeout(hxge_link_poll, (void *)hxgep,
2480 		    hxgep->timeout.ticks);
2481 		MUTEX_EXIT(&hxgep->timeout.lock);
2482 	}
2483 
2484 	MUTEX_EXIT(hxgep->genlock);
2485 
2486 	HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "<== hxge_m_start"));
2487 
2488 	return (0);
2489 }
2490 
2491 /*
2492  * hxge_m_stop(): stop transmitting and receiving.
2493  */
2494 static void
2495 hxge_m_stop(void *arg)
2496 {
2497 	p_hxge_t hxgep = (p_hxge_t)arg;
2498 
2499 	HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "==> hxge_m_stop"));
2500 
2501 	if (hxgep->hxge_timerid) {
2502 		hxge_stop_timer(hxgep, hxgep->hxge_timerid);
2503 		hxgep->hxge_timerid = 0;
2504 	}
2505 
2506 	/* Stop the link status timer before unregistering */
2507 	MUTEX_ENTER(&hxgep->timeout.lock);
2508 	if (hxgep->timeout.id) {
2509 		(void) untimeout(hxgep->timeout.id);
2510 		hxgep->timeout.id = 0;
2511 	}
2512 	hxge_link_update(hxgep, LINK_STATE_DOWN);
2513 	MUTEX_EXIT(&hxgep->timeout.lock);
2514 
2515 	MUTEX_ENTER(hxgep->genlock);
2516 
2517 	hxge_uninit(hxgep);
2518 
2519 	hxgep->hxge_mac_state = HXGE_MAC_STOPPED;
2520 
2521 	MUTEX_EXIT(hxgep->genlock);
2522 
2523 	HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "<== hxge_m_stop"));
2524 }
2525 
2526 static int
2527 hxge_m_unicst(void *arg, const uint8_t *macaddr)
2528 {
2529 	p_hxge_t		hxgep = (p_hxge_t)arg;
2530 	struct ether_addr	addrp;
2531 	hxge_status_t		status;
2532 
2533 	HXGE_DEBUG_MSG((hxgep, MAC_CTL, "==> hxge_m_unicst"));
2534 
2535 	bcopy(macaddr, (uint8_t *)&addrp, ETHERADDRL);
2536 
2537 	status = hxge_set_mac_addr(hxgep, &addrp);
2538 	if (status != HXGE_OK) {
2539 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2540 		    "<== hxge_m_unicst: set unitcast failed"));
2541 		return (EINVAL);
2542 	}
2543 
2544 	HXGE_DEBUG_MSG((hxgep, MAC_CTL, "<== hxge_m_unicst"));
2545 
2546 	return (0);
2547 }
2548 
2549 static int
2550 hxge_m_multicst(void *arg, boolean_t add, const uint8_t *mca)
2551 {
2552 	p_hxge_t		hxgep = (p_hxge_t)arg;
2553 	struct ether_addr	addrp;
2554 
2555 	HXGE_DEBUG_MSG((hxgep, MAC_CTL, "==> hxge_m_multicst: add %d", add));
2556 
2557 	bcopy(mca, (uint8_t *)&addrp, ETHERADDRL);
2558 
2559 	if (add) {
2560 		if (hxge_add_mcast_addr(hxgep, &addrp)) {
2561 			HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2562 			    "<== hxge_m_multicst: add multicast failed"));
2563 			return (EINVAL);
2564 		}
2565 	} else {
2566 		if (hxge_del_mcast_addr(hxgep, &addrp)) {
2567 			HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2568 			    "<== hxge_m_multicst: del multicast failed"));
2569 			return (EINVAL);
2570 		}
2571 	}
2572 
2573 	HXGE_DEBUG_MSG((hxgep, MAC_CTL, "<== hxge_m_multicst"));
2574 
2575 	return (0);
2576 }
2577 
2578 static int
2579 hxge_m_promisc(void *arg, boolean_t on)
2580 {
2581 	p_hxge_t hxgep = (p_hxge_t)arg;
2582 
2583 	HXGE_DEBUG_MSG((hxgep, MAC_CTL, "==> hxge_m_promisc: on %d", on));
2584 
2585 	if (hxge_set_promisc(hxgep, on)) {
2586 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2587 		    "<== hxge_m_promisc: set promisc failed"));
2588 		return (EINVAL);
2589 	}
2590 
2591 	HXGE_DEBUG_MSG((hxgep, MAC_CTL, "<== hxge_m_promisc: on %d", on));
2592 
2593 	return (0);
2594 }
2595 
2596 static void
2597 hxge_m_ioctl(void *arg, queue_t *wq, mblk_t *mp)
2598 {
2599 	p_hxge_t	hxgep = (p_hxge_t)arg;
2600 	struct iocblk	*iocp = (struct iocblk *)mp->b_rptr;
2601 	boolean_t	need_privilege;
2602 	int		err;
2603 	int		cmd;
2604 
2605 	HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "==> hxge_m_ioctl"));
2606 
2607 	iocp = (struct iocblk *)mp->b_rptr;
2608 	iocp->ioc_error = 0;
2609 	need_privilege = B_TRUE;
2610 	cmd = iocp->ioc_cmd;
2611 
2612 	HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "==> hxge_m_ioctl: cmd 0x%08x", cmd));
2613 	switch (cmd) {
2614 	default:
2615 		miocnak(wq, mp, 0, EINVAL);
2616 		HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "<== hxge_m_ioctl: invalid"));
2617 		return;
2618 
2619 	case LB_GET_INFO_SIZE:
2620 	case LB_GET_INFO:
2621 	case LB_GET_MODE:
2622 		need_privilege = B_FALSE;
2623 		break;
2624 
2625 	case LB_SET_MODE:
2626 		break;
2627 
2628 	case ND_GET:
2629 		need_privilege = B_FALSE;
2630 		break;
2631 	case ND_SET:
2632 		break;
2633 
2634 	case HXGE_GET64:
2635 	case HXGE_PUT64:
2636 	case HXGE_GET_TX_RING_SZ:
2637 	case HXGE_GET_TX_DESC:
2638 	case HXGE_TX_SIDE_RESET:
2639 	case HXGE_RX_SIDE_RESET:
2640 	case HXGE_GLOBAL_RESET:
2641 	case HXGE_RESET_MAC:
2642 	case HXGE_PUT_TCAM:
2643 	case HXGE_GET_TCAM:
2644 	case HXGE_RTRACE:
2645 
2646 		need_privilege = B_FALSE;
2647 		break;
2648 	}
2649 
2650 	if (need_privilege) {
2651 		err = secpolicy_net_config(iocp->ioc_cr, B_FALSE);
2652 		if (err != 0) {
2653 			miocnak(wq, mp, 0, err);
2654 			HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
2655 			    "<== hxge_m_ioctl: no priv"));
2656 			return;
2657 		}
2658 	}
2659 
2660 	switch (cmd) {
2661 	case ND_GET:
2662 		HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "ND_GET command"));
2663 	case ND_SET:
2664 		HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "ND_SET command"));
2665 		hxge_param_ioctl(hxgep, wq, mp, iocp);
2666 		break;
2667 
2668 	case LB_GET_MODE:
2669 	case LB_SET_MODE:
2670 	case LB_GET_INFO_SIZE:
2671 	case LB_GET_INFO:
2672 		hxge_loopback_ioctl(hxgep, wq, mp, iocp);
2673 		break;
2674 
2675 	case HXGE_PUT_TCAM:
2676 	case HXGE_GET_TCAM:
2677 	case HXGE_GET64:
2678 	case HXGE_PUT64:
2679 	case HXGE_GET_TX_RING_SZ:
2680 	case HXGE_GET_TX_DESC:
2681 	case HXGE_TX_SIDE_RESET:
2682 	case HXGE_RX_SIDE_RESET:
2683 	case HXGE_GLOBAL_RESET:
2684 	case HXGE_RESET_MAC:
2685 		HXGE_DEBUG_MSG((hxgep, NEMO_CTL,
2686 		    "==> hxge_m_ioctl: cmd 0x%x", cmd));
2687 		hxge_hw_ioctl(hxgep, wq, mp, iocp);
2688 		break;
2689 	}
2690 
2691 	HXGE_DEBUG_MSG((hxgep, NEMO_CTL, "<== hxge_m_ioctl"));
2692 }
2693 
2694 /*ARGSUSED*/
2695 boolean_t
2696 hxge_m_getcapab(void *arg, mac_capab_t cap, void *cap_data)
2697 {
2698 	uint32_t		*txflags = cap_data;
2699 
2700 	switch (cap) {
2701 	case MAC_CAPAB_HCKSUM:
2702 		*txflags = HCKSUM_INET_PARTIAL;
2703 		break;
2704 
2705 	default:
2706 		return (B_FALSE);
2707 	}
2708 	return (B_TRUE);
2709 }
2710 
2711 static boolean_t
2712 hxge_param_locked(mac_prop_id_t pr_num)
2713 {
2714 	/*
2715 	 * All adv_* parameters are locked (read-only) while
2716 	 * the device is in any sort of loopback mode ...
2717 	 */
2718 	switch (pr_num) {
2719 		case MAC_PROP_ADV_1000FDX_CAP:
2720 		case MAC_PROP_EN_1000FDX_CAP:
2721 		case MAC_PROP_ADV_1000HDX_CAP:
2722 		case MAC_PROP_EN_1000HDX_CAP:
2723 		case MAC_PROP_ADV_100FDX_CAP:
2724 		case MAC_PROP_EN_100FDX_CAP:
2725 		case MAC_PROP_ADV_100HDX_CAP:
2726 		case MAC_PROP_EN_100HDX_CAP:
2727 		case MAC_PROP_ADV_10FDX_CAP:
2728 		case MAC_PROP_EN_10FDX_CAP:
2729 		case MAC_PROP_ADV_10HDX_CAP:
2730 		case MAC_PROP_EN_10HDX_CAP:
2731 		case MAC_PROP_AUTONEG:
2732 		case MAC_PROP_FLOWCTRL:
2733 			return (B_TRUE);
2734 	}
2735 	return (B_FALSE);
2736 }
2737 
2738 /*
2739  * callback functions for set/get of properties
2740  */
2741 static int
2742 hxge_m_setprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
2743     uint_t pr_valsize, const void *pr_val)
2744 {
2745 	hxge_t		*hxgep = barg;
2746 	p_hxge_stats_t	statsp;
2747 	int		err = 0;
2748 	uint32_t	new_mtu, old_framesize, new_framesize;
2749 
2750 	HXGE_DEBUG_MSG((hxgep, DLADM_CTL, "==> hxge_m_setprop"));
2751 
2752 	statsp = hxgep->statsp;
2753 	mutex_enter(hxgep->genlock);
2754 	if (statsp->port_stats.lb_mode != hxge_lb_normal &&
2755 	    hxge_param_locked(pr_num)) {
2756 		/*
2757 		 * All adv_* parameters are locked (read-only)
2758 		 * while the device is in any sort of loopback mode.
2759 		 */
2760 		HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2761 		    "==> hxge_m_setprop: loopback mode: read only"));
2762 		mutex_exit(hxgep->genlock);
2763 		return (EBUSY);
2764 	}
2765 
2766 	switch (pr_num) {
2767 		/*
2768 		 * These properties are either not exist or read only
2769 		 */
2770 		case MAC_PROP_EN_1000FDX_CAP:
2771 		case MAC_PROP_EN_100FDX_CAP:
2772 		case MAC_PROP_EN_10FDX_CAP:
2773 		case MAC_PROP_EN_1000HDX_CAP:
2774 		case MAC_PROP_EN_100HDX_CAP:
2775 		case MAC_PROP_EN_10HDX_CAP:
2776 		case MAC_PROP_ADV_1000FDX_CAP:
2777 		case MAC_PROP_ADV_1000HDX_CAP:
2778 		case MAC_PROP_ADV_100FDX_CAP:
2779 		case MAC_PROP_ADV_100HDX_CAP:
2780 		case MAC_PROP_ADV_10FDX_CAP:
2781 		case MAC_PROP_ADV_10HDX_CAP:
2782 		case MAC_PROP_STATUS:
2783 		case MAC_PROP_SPEED:
2784 		case MAC_PROP_DUPLEX:
2785 		case MAC_PROP_AUTONEG:
2786 		/*
2787 		 * Flow control is handled in the shared domain and
2788 		 * it is readonly here.
2789 		 */
2790 		case MAC_PROP_FLOWCTRL:
2791 			err = EINVAL;
2792 			HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2793 			    "==> hxge_m_setprop:  read only property %d",
2794 			    pr_num));
2795 			break;
2796 
2797 		case MAC_PROP_MTU:
2798 			bcopy(pr_val, &new_mtu, sizeof (new_mtu));
2799 			HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2800 			    "==> hxge_m_setprop: set MTU: %d", new_mtu));
2801 
2802 			new_framesize = new_mtu + MTU_TO_FRAME_SIZE;
2803 			if (new_framesize == hxgep->vmac.maxframesize) {
2804 				err = 0;
2805 				break;
2806 			}
2807 
2808 			if (hxgep->hxge_mac_state == HXGE_MAC_STARTED) {
2809 				err = EBUSY;
2810 				break;
2811 			}
2812 
2813 			if (new_framesize < MIN_FRAME_SIZE ||
2814 			    new_framesize > MAX_FRAME_SIZE) {
2815 				err = EINVAL;
2816 				break;
2817 			}
2818 
2819 			old_framesize = hxgep->vmac.maxframesize;
2820 			hxgep->vmac.maxframesize = (uint16_t)new_framesize;
2821 
2822 			if (hxge_vmac_set_framesize(hxgep)) {
2823 				hxgep->vmac.maxframesize =
2824 				    (uint16_t)old_framesize;
2825 				err = EINVAL;
2826 				break;
2827 			}
2828 
2829 			err = mac_maxsdu_update(hxgep->mach, new_mtu);
2830 			if (err) {
2831 				hxgep->vmac.maxframesize =
2832 				    (uint16_t)old_framesize;
2833 				(void) hxge_vmac_set_framesize(hxgep);
2834 			}
2835 
2836 			HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2837 			    "==> hxge_m_setprop: set MTU: %d maxframe %d",
2838 			    new_mtu, hxgep->vmac.maxframesize));
2839 			break;
2840 
2841 		case MAC_PROP_PRIVATE:
2842 			HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2843 			    "==> hxge_m_setprop: private property"));
2844 			err = hxge_set_priv_prop(hxgep, pr_name, pr_valsize,
2845 			    pr_val);
2846 			break;
2847 
2848 		default:
2849 			err = ENOTSUP;
2850 			break;
2851 	}
2852 
2853 	mutex_exit(hxgep->genlock);
2854 
2855 	HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2856 	    "<== hxge_m_setprop (return %d)", err));
2857 
2858 	return (err);
2859 }
2860 
2861 /* ARGSUSED */
2862 static int
2863 hxge_get_def_val(hxge_t *hxgep, mac_prop_id_t pr_num, uint_t pr_valsize,
2864     void *pr_val)
2865 {
2866 	int		err = 0;
2867 	link_flowctrl_t	fl;
2868 
2869 	switch (pr_num) {
2870 	case MAC_PROP_DUPLEX:
2871 		*(uint8_t *)pr_val = 2;
2872 		break;
2873 	case MAC_PROP_AUTONEG:
2874 		*(uint8_t *)pr_val = 0;
2875 		break;
2876 	case MAC_PROP_FLOWCTRL:
2877 		if (pr_valsize < sizeof (link_flowctrl_t))
2878 			return (EINVAL);
2879 		fl = LINK_FLOWCTRL_TX;
2880 		bcopy(&fl, pr_val, sizeof (fl));
2881 		break;
2882 	default:
2883 		err = ENOTSUP;
2884 		break;
2885 	}
2886 	return (err);
2887 }
2888 
2889 static int
2890 hxge_m_getprop(void *barg, const char *pr_name, mac_prop_id_t pr_num,
2891     uint_t pr_flags, uint_t pr_valsize, void *pr_val, uint_t *perm)
2892 {
2893 	hxge_t 		*hxgep = barg;
2894 	p_hxge_stats_t	statsp = hxgep->statsp;
2895 	int		err = 0;
2896 	link_flowctrl_t fl;
2897 	uint64_t	tmp = 0;
2898 	link_state_t	ls;
2899 
2900 	HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2901 	    "==> hxge_m_getprop: pr_num %d", pr_num));
2902 
2903 	if (pr_valsize == 0)
2904 		return (EINVAL);
2905 
2906 	*perm = MAC_PROP_PERM_RW;
2907 
2908 	if ((pr_flags & MAC_PROP_DEFAULT) && (pr_num != MAC_PROP_PRIVATE)) {
2909 		err = hxge_get_def_val(hxgep, pr_num, pr_valsize, pr_val);
2910 		return (err);
2911 	}
2912 
2913 	bzero(pr_val, pr_valsize);
2914 	switch (pr_num) {
2915 		case MAC_PROP_DUPLEX:
2916 			*perm = MAC_PROP_PERM_READ;
2917 			*(uint8_t *)pr_val = statsp->mac_stats.link_duplex;
2918 			HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2919 			    "==> hxge_m_getprop: duplex mode %d",
2920 			    *(uint8_t *)pr_val));
2921 			break;
2922 
2923 		case MAC_PROP_SPEED:
2924 			*perm = MAC_PROP_PERM_READ;
2925 			if (pr_valsize < sizeof (uint64_t))
2926 				return (EINVAL);
2927 			tmp = statsp->mac_stats.link_speed * 1000000ull;
2928 			bcopy(&tmp, pr_val, sizeof (tmp));
2929 			break;
2930 
2931 		case MAC_PROP_STATUS:
2932 			*perm = MAC_PROP_PERM_READ;
2933 			if (pr_valsize < sizeof (link_state_t))
2934 				return (EINVAL);
2935 			if (!statsp->mac_stats.link_up)
2936 				ls = LINK_STATE_DOWN;
2937 			else
2938 				ls = LINK_STATE_UP;
2939 			bcopy(&ls, pr_val, sizeof (ls));
2940 			break;
2941 
2942 		case MAC_PROP_FLOWCTRL:
2943 			/*
2944 			 * Flow control is supported by the shared domain and
2945 			 * it is currently transmit only
2946 			 */
2947 			*perm = MAC_PROP_PERM_READ;
2948 			if (pr_valsize < sizeof (link_flowctrl_t))
2949 				return (EINVAL);
2950 			fl = LINK_FLOWCTRL_TX;
2951 			bcopy(&fl, pr_val, sizeof (fl));
2952 			break;
2953 		case MAC_PROP_AUTONEG:
2954 			/* 10G link only and it is not negotiable */
2955 			*perm = MAC_PROP_PERM_READ;
2956 			*(uint8_t *)pr_val = 0;
2957 			break;
2958 		case MAC_PROP_ADV_1000FDX_CAP:
2959 		case MAC_PROP_ADV_100FDX_CAP:
2960 		case MAC_PROP_ADV_10FDX_CAP:
2961 		case MAC_PROP_ADV_1000HDX_CAP:
2962 		case MAC_PROP_ADV_100HDX_CAP:
2963 		case MAC_PROP_ADV_10HDX_CAP:
2964 		case MAC_PROP_EN_1000FDX_CAP:
2965 		case MAC_PROP_EN_100FDX_CAP:
2966 		case MAC_PROP_EN_10FDX_CAP:
2967 		case MAC_PROP_EN_1000HDX_CAP:
2968 		case MAC_PROP_EN_100HDX_CAP:
2969 		case MAC_PROP_EN_10HDX_CAP:
2970 			err = ENOTSUP;
2971 			break;
2972 
2973 		case MAC_PROP_PRIVATE:
2974 			err = hxge_get_priv_prop(hxgep, pr_name, pr_flags,
2975 			    pr_valsize, pr_val);
2976 			break;
2977 		default:
2978 			err = EINVAL;
2979 			break;
2980 	}
2981 
2982 	HXGE_DEBUG_MSG((hxgep, DLADM_CTL, "<== hxge_m_getprop"));
2983 
2984 	return (err);
2985 }
2986 
2987 /* ARGSUSED */
2988 static int
2989 hxge_set_priv_prop(p_hxge_t hxgep, const char *pr_name, uint_t pr_valsize,
2990     const void *pr_val)
2991 {
2992 	p_hxge_param_t	param_arr = hxgep->param_arr;
2993 	int		err = 0;
2994 
2995 	HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
2996 	    "==> hxge_set_priv_prop: name %s (value %s)", pr_name, pr_val));
2997 
2998 	if (pr_val == NULL) {
2999 		return (EINVAL);
3000 	}
3001 
3002 	/* Blanking */
3003 	if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
3004 		err = hxge_param_rx_intr_time(hxgep, NULL, NULL,
3005 		    (char *)pr_val, (caddr_t)&param_arr[param_rxdma_intr_time]);
3006 	} else if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
3007 		err = hxge_param_rx_intr_pkts(hxgep, NULL, NULL,
3008 		    (char *)pr_val, (caddr_t)&param_arr[param_rxdma_intr_pkts]);
3009 
3010 	/* Classification */
3011 	} else if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
3012 		err = hxge_param_set_ip_opt(hxgep, NULL, NULL, (char *)pr_val,
3013 		    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
3014 	} else if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
3015 		err = hxge_param_set_ip_opt(hxgep, NULL, NULL, (char *)pr_val,
3016 		    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
3017 	} else if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
3018 		err = hxge_param_set_ip_opt(hxgep, NULL, NULL, (char *)pr_val,
3019 		    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
3020 	} else if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
3021 		err = hxge_param_set_ip_opt(hxgep, NULL, NULL, (char *)pr_val,
3022 		    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
3023 	} else if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
3024 		err = hxge_param_set_ip_opt(hxgep, NULL, NULL, (char *)pr_val,
3025 		    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
3026 	} else if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
3027 		err = hxge_param_set_ip_opt(hxgep, NULL, NULL, (char *)pr_val,
3028 		    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
3029 	} else if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
3030 		err = hxge_param_set_ip_opt(hxgep, NULL, NULL, (char *)pr_val,
3031 		    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
3032 	} else if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
3033 		err = hxge_param_set_ip_opt(hxgep, NULL, NULL, (char *)pr_val,
3034 		    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
3035 	} else {
3036 		err = EINVAL;
3037 	}
3038 
3039 	HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
3040 	    "<== hxge_set_priv_prop: err %d", err));
3041 
3042 	return (err);
3043 }
3044 
3045 static int
3046 hxge_get_priv_prop(p_hxge_t hxgep, const char *pr_name, uint_t pr_flags,
3047     uint_t pr_valsize, void *pr_val)
3048 {
3049 	p_hxge_param_t	param_arr = hxgep->param_arr;
3050 	char		valstr[MAXNAMELEN];
3051 	int		err = 0;
3052 	uint_t		strsize;
3053 	int		value = 0;
3054 
3055 	HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
3056 	    "==> hxge_get_priv_prop: property %s", pr_name));
3057 
3058 	if (pr_flags & MAC_PROP_DEFAULT) {
3059 		/* Receive Interrupt Blanking Parameters */
3060 		if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
3061 			value = RXDMA_RCR_TO_DEFAULT;
3062 		} else if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
3063 			value = RXDMA_RCR_PTHRES_DEFAULT;
3064 
3065 		/* Classification and Load Distribution Configuration */
3066 		} else if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0 ||
3067 		    strcmp(pr_name, "_class_opt_ipv4_udp") == 0 ||
3068 		    strcmp(pr_name, "_class_opt_ipv4_ah") == 0 ||
3069 		    strcmp(pr_name, "_class_opt_ipv4_sctp") == 0 ||
3070 		    strcmp(pr_name, "_class_opt_ipv6_tcp") == 0 ||
3071 		    strcmp(pr_name, "_class_opt_ipv6_udp") == 0 ||
3072 		    strcmp(pr_name, "_class_opt_ipv6_ah") == 0 ||
3073 		    strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
3074 			value = HXGE_CLASS_TCAM_LOOKUP;
3075 		} else {
3076 			err = EINVAL;
3077 		}
3078 	} else {
3079 		/* Receive Interrupt Blanking Parameters */
3080 		if (strcmp(pr_name, "_rxdma_intr_time") == 0) {
3081 			value = hxgep->intr_timeout;
3082 		} else if (strcmp(pr_name, "_rxdma_intr_pkts") == 0) {
3083 			value = hxgep->intr_threshold;
3084 
3085 		/* Classification and Load Distribution Configuration */
3086 		} else if (strcmp(pr_name, "_class_opt_ipv4_tcp") == 0) {
3087 			err = hxge_param_get_ip_opt(hxgep, NULL, NULL,
3088 			    (caddr_t)&param_arr[param_class_opt_ipv4_tcp]);
3089 
3090 			value = (int)param_arr[param_class_opt_ipv4_tcp].value;
3091 		} else if (strcmp(pr_name, "_class_opt_ipv4_udp") == 0) {
3092 			err = hxge_param_get_ip_opt(hxgep, NULL, NULL,
3093 			    (caddr_t)&param_arr[param_class_opt_ipv4_udp]);
3094 
3095 			value = (int)param_arr[param_class_opt_ipv4_udp].value;
3096 		} else if (strcmp(pr_name, "_class_opt_ipv4_ah") == 0) {
3097 			err = hxge_param_get_ip_opt(hxgep, NULL, NULL,
3098 			    (caddr_t)&param_arr[param_class_opt_ipv4_ah]);
3099 
3100 			value = (int)param_arr[param_class_opt_ipv4_ah].value;
3101 		} else if (strcmp(pr_name, "_class_opt_ipv4_sctp") == 0) {
3102 			err = hxge_param_get_ip_opt(hxgep, NULL, NULL,
3103 			    (caddr_t)&param_arr[param_class_opt_ipv4_sctp]);
3104 
3105 			value = (int)param_arr[param_class_opt_ipv4_sctp].value;
3106 		} else if (strcmp(pr_name, "_class_opt_ipv6_tcp") == 0) {
3107 			err = hxge_param_get_ip_opt(hxgep, NULL, NULL,
3108 			    (caddr_t)&param_arr[param_class_opt_ipv6_tcp]);
3109 
3110 			value = (int)param_arr[param_class_opt_ipv6_tcp].value;
3111 		} else if (strcmp(pr_name, "_class_opt_ipv6_udp") == 0) {
3112 			err = hxge_param_get_ip_opt(hxgep, NULL, NULL,
3113 			    (caddr_t)&param_arr[param_class_opt_ipv6_udp]);
3114 
3115 			value = (int)param_arr[param_class_opt_ipv6_udp].value;
3116 		} else if (strcmp(pr_name, "_class_opt_ipv6_ah") == 0) {
3117 			err = hxge_param_get_ip_opt(hxgep, NULL, NULL,
3118 			    (caddr_t)&param_arr[param_class_opt_ipv6_ah]);
3119 
3120 			value = (int)param_arr[param_class_opt_ipv6_ah].value;
3121 		} else if (strcmp(pr_name, "_class_opt_ipv6_sctp") == 0) {
3122 			err = hxge_param_get_ip_opt(hxgep, NULL, NULL,
3123 			    (caddr_t)&param_arr[param_class_opt_ipv6_sctp]);
3124 
3125 			value = (int)param_arr[param_class_opt_ipv6_sctp].value;
3126 		} else {
3127 			err = EINVAL;
3128 		}
3129 	}
3130 
3131 	if (err == 0) {
3132 		(void) snprintf(valstr, sizeof (valstr), "0x%x", value);
3133 
3134 		strsize = (uint_t)strlen(valstr);
3135 		if (pr_valsize < strsize) {
3136 			err = ENOBUFS;
3137 		} else {
3138 			(void) strlcpy(pr_val, valstr, pr_valsize);
3139 		}
3140 	}
3141 
3142 	HXGE_DEBUG_MSG((hxgep, DLADM_CTL,
3143 	    "<== hxge_get_priv_prop: return %d", err));
3144 
3145 	return (err);
3146 }
3147 /*
3148  * Module loading and removing entry points.
3149  */
3150 DDI_DEFINE_STREAM_OPS(hxge_dev_ops, nulldev, nulldev, hxge_attach, hxge_detach,
3151     nodev, NULL, D_MP, NULL, NULL);
3152 
3153 extern struct mod_ops mod_driverops;
3154 
3155 #define	HXGE_DESC_VER	"HXGE 10Gb Ethernet Driver"
3156 
3157 /*
3158  * Module linkage information for the kernel.
3159  */
3160 static struct modldrv hxge_modldrv = {
3161 	&mod_driverops,
3162 	HXGE_DESC_VER,
3163 	&hxge_dev_ops
3164 };
3165 
3166 static struct modlinkage modlinkage = {
3167 	MODREV_1, (void *) &hxge_modldrv, NULL
3168 };
3169 
3170 int
3171 _init(void)
3172 {
3173 	int status;
3174 
3175 	HXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _init"));
3176 	mac_init_ops(&hxge_dev_ops, "hxge");
3177 	status = ddi_soft_state_init(&hxge_list, sizeof (hxge_t), 0);
3178 	if (status != 0) {
3179 		HXGE_ERROR_MSG((NULL, HXGE_ERR_CTL,
3180 		    "failed to init device soft state"));
3181 		mac_fini_ops(&hxge_dev_ops);
3182 		goto _init_exit;
3183 	}
3184 
3185 	status = mod_install(&modlinkage);
3186 	if (status != 0) {
3187 		ddi_soft_state_fini(&hxge_list);
3188 		HXGE_ERROR_MSG((NULL, HXGE_ERR_CTL, "Mod install failed"));
3189 		goto _init_exit;
3190 	}
3191 
3192 	MUTEX_INIT(&hxge_common_lock, NULL, MUTEX_DRIVER, NULL);
3193 
3194 _init_exit:
3195 	HXGE_DEBUG_MSG((NULL, MOD_CTL, "_init status = 0x%X", status));
3196 
3197 	return (status);
3198 }
3199 
3200 int
3201 _fini(void)
3202 {
3203 	int status;
3204 
3205 	HXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini"));
3206 
3207 	HXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _fini: mod_remove"));
3208 
3209 	if (hxge_mblks_pending)
3210 		return (EBUSY);
3211 
3212 	status = mod_remove(&modlinkage);
3213 	if (status != DDI_SUCCESS) {
3214 		HXGE_DEBUG_MSG((NULL, MOD_CTL,
3215 		    "Module removal failed 0x%08x", status));
3216 		goto _fini_exit;
3217 	}
3218 
3219 	mac_fini_ops(&hxge_dev_ops);
3220 
3221 	ddi_soft_state_fini(&hxge_list);
3222 
3223 	MUTEX_DESTROY(&hxge_common_lock);
3224 
3225 _fini_exit:
3226 	HXGE_DEBUG_MSG((NULL, MOD_CTL, "_fini status = 0x%08x", status));
3227 
3228 	return (status);
3229 }
3230 
3231 int
3232 _info(struct modinfo *modinfop)
3233 {
3234 	int status;
3235 
3236 	HXGE_DEBUG_MSG((NULL, MOD_CTL, "==> _info"));
3237 	status = mod_info(&modlinkage, modinfop);
3238 	HXGE_DEBUG_MSG((NULL, MOD_CTL, " _info status = 0x%X", status));
3239 
3240 	return (status);
3241 }
3242 
3243 /*ARGSUSED*/
3244 hxge_status_t
3245 hxge_add_intrs(p_hxge_t hxgep)
3246 {
3247 	int		intr_types;
3248 	int		type = 0;
3249 	int		ddi_status = DDI_SUCCESS;
3250 	hxge_status_t	status = HXGE_OK;
3251 
3252 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs"));
3253 
3254 	hxgep->hxge_intr_type.intr_registered = B_FALSE;
3255 	hxgep->hxge_intr_type.intr_enabled = B_FALSE;
3256 	hxgep->hxge_intr_type.msi_intx_cnt = 0;
3257 	hxgep->hxge_intr_type.intr_added = 0;
3258 	hxgep->hxge_intr_type.niu_msi_enable = B_FALSE;
3259 	hxgep->hxge_intr_type.intr_type = 0;
3260 
3261 	if (hxge_msi_enable) {
3262 		hxgep->hxge_intr_type.niu_msi_enable = B_TRUE;
3263 	}
3264 
3265 	/* Get the supported interrupt types */
3266 	if ((ddi_status = ddi_intr_get_supported_types(hxgep->dip, &intr_types))
3267 	    != DDI_SUCCESS) {
3268 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "<== hxge_add_intrs: "
3269 		    "ddi_intr_get_supported_types failed: status 0x%08x",
3270 		    ddi_status));
3271 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3272 	}
3273 
3274 	hxgep->hxge_intr_type.intr_types = intr_types;
3275 
3276 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs: "
3277 	    "ddi_intr_get_supported_types: 0x%08x", intr_types));
3278 
3279 	/*
3280 	 * Pick the interrupt type to use MSIX, MSI, INTX hxge_msi_enable:
3281 	 *	(1): 1 - MSI
3282 	 *	(2): 2 - MSI-X
3283 	 *	others - FIXED
3284 	 */
3285 	switch (hxge_msi_enable) {
3286 	default:
3287 		type = DDI_INTR_TYPE_FIXED;
3288 		HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs: "
3289 		    "use fixed (intx emulation) type %08x", type));
3290 		break;
3291 
3292 	case 2:
3293 		HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs: "
3294 		    "ddi_intr_get_supported_types: 0x%08x", intr_types));
3295 		if (intr_types & DDI_INTR_TYPE_MSIX) {
3296 			type = DDI_INTR_TYPE_MSIX;
3297 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3298 			    "==> hxge_add_intrs: "
3299 			    "ddi_intr_get_supported_types: MSIX 0x%08x", type));
3300 		} else if (intr_types & DDI_INTR_TYPE_MSI) {
3301 			type = DDI_INTR_TYPE_MSI;
3302 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3303 			    "==> hxge_add_intrs: "
3304 			    "ddi_intr_get_supported_types: MSI 0x%08x", type));
3305 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
3306 			type = DDI_INTR_TYPE_FIXED;
3307 			HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs: "
3308 			    "ddi_intr_get_supported_types: MSXED0x%08x", type));
3309 		}
3310 		break;
3311 
3312 	case 1:
3313 		if (intr_types & DDI_INTR_TYPE_MSI) {
3314 			type = DDI_INTR_TYPE_MSI;
3315 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3316 			    "==> hxge_add_intrs: "
3317 			    "ddi_intr_get_supported_types: MSI 0x%08x", type));
3318 		} else if (intr_types & DDI_INTR_TYPE_MSIX) {
3319 			type = DDI_INTR_TYPE_MSIX;
3320 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3321 			    "==> hxge_add_intrs: "
3322 			    "ddi_intr_get_supported_types: MSIX 0x%08x", type));
3323 		} else if (intr_types & DDI_INTR_TYPE_FIXED) {
3324 			type = DDI_INTR_TYPE_FIXED;
3325 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3326 			    "==> hxge_add_intrs: "
3327 			    "ddi_intr_get_supported_types: MSXED0x%08x", type));
3328 		}
3329 	}
3330 
3331 	hxgep->hxge_intr_type.intr_type = type;
3332 	if ((type == DDI_INTR_TYPE_MSIX || type == DDI_INTR_TYPE_MSI ||
3333 	    type == DDI_INTR_TYPE_FIXED) &&
3334 	    hxgep->hxge_intr_type.niu_msi_enable) {
3335 		if ((status = hxge_add_intrs_adv(hxgep)) != DDI_SUCCESS) {
3336 			HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3337 			    " hxge_add_intrs: "
3338 			    " hxge_add_intrs_adv failed: status 0x%08x",
3339 			    status));
3340 			return (status);
3341 		} else {
3342 			HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_add_intrs: "
3343 			    "interrupts registered : type %d", type));
3344 			hxgep->hxge_intr_type.intr_registered = B_TRUE;
3345 
3346 			HXGE_DEBUG_MSG((hxgep, DDI_CTL,
3347 			    "\nAdded advanced hxge add_intr_adv "
3348 			    "intr type 0x%x\n", type));
3349 
3350 			return (status);
3351 		}
3352 	}
3353 
3354 	if (!hxgep->hxge_intr_type.intr_registered) {
3355 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3356 		    "==> hxge_add_intrs: failed to register interrupts"));
3357 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3358 	}
3359 
3360 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_add_intrs"));
3361 
3362 	return (status);
3363 }
3364 
3365 /*ARGSUSED*/
3366 static hxge_status_t
3367 hxge_add_soft_intrs(p_hxge_t hxgep)
3368 {
3369 	int		ddi_status = DDI_SUCCESS;
3370 	hxge_status_t	status = HXGE_OK;
3371 
3372 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_add_soft_intrs"));
3373 
3374 	hxgep->resched_id = NULL;
3375 	hxgep->resched_running = B_FALSE;
3376 	ddi_status = ddi_add_softintr(hxgep->dip, DDI_SOFTINT_LOW,
3377 	    &hxgep->resched_id, NULL, NULL, hxge_reschedule, (caddr_t)hxgep);
3378 	if (ddi_status != DDI_SUCCESS) {
3379 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "<== hxge_add_soft_intrs: "
3380 		    "ddi_add_softintrs failed: status 0x%08x", ddi_status));
3381 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3382 	}
3383 
3384 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_ddi_add_soft_intrs"));
3385 
3386 	return (status);
3387 }
3388 
3389 /*ARGSUSED*/
3390 static hxge_status_t
3391 hxge_add_intrs_adv(p_hxge_t hxgep)
3392 {
3393 	int		intr_type;
3394 	p_hxge_intr_t	intrp;
3395 	hxge_status_t	status;
3396 
3397 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs_adv"));
3398 
3399 	intrp = (p_hxge_intr_t)&hxgep->hxge_intr_type;
3400 	intr_type = intrp->intr_type;
3401 
3402 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs_adv: type 0x%x",
3403 	    intr_type));
3404 
3405 	switch (intr_type) {
3406 	case DDI_INTR_TYPE_MSI:		/* 0x2 */
3407 	case DDI_INTR_TYPE_MSIX:	/* 0x4 */
3408 		status = hxge_add_intrs_adv_type(hxgep, intr_type);
3409 		break;
3410 
3411 	case DDI_INTR_TYPE_FIXED:	/* 0x1 */
3412 		status = hxge_add_intrs_adv_type_fix(hxgep, intr_type);
3413 		break;
3414 
3415 	default:
3416 		status = HXGE_ERROR;
3417 		break;
3418 	}
3419 
3420 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_add_intrs_adv"));
3421 
3422 	return (status);
3423 }
3424 
3425 /*ARGSUSED*/
3426 static hxge_status_t
3427 hxge_add_intrs_adv_type(p_hxge_t hxgep, uint32_t int_type)
3428 {
3429 	dev_info_t	*dip = hxgep->dip;
3430 	p_hxge_ldg_t	ldgp;
3431 	p_hxge_intr_t	intrp;
3432 	uint_t		*inthandler;
3433 	void		*arg1, *arg2;
3434 	int		behavior;
3435 	int		nintrs, navail;
3436 	int		nactual, nrequired;
3437 	int		inum = 0;
3438 	int		loop = 0;
3439 	int		x, y;
3440 	int		ddi_status = DDI_SUCCESS;
3441 	hxge_status_t	status = HXGE_OK;
3442 
3443 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs_adv_type"));
3444 
3445 	intrp = (p_hxge_intr_t)&hxgep->hxge_intr_type;
3446 
3447 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
3448 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
3449 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3450 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
3451 		    "nintrs: %d", ddi_status, nintrs));
3452 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3453 	}
3454 
3455 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
3456 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
3457 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3458 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
3459 		    "nintrs: %d", ddi_status, navail));
3460 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3461 	}
3462 
3463 	HXGE_DEBUG_MSG((hxgep, INT_CTL,
3464 	    "ddi_intr_get_navail() returned: intr type %d nintrs %d, navail %d",
3465 	    int_type, nintrs, navail));
3466 
3467 	if (int_type == DDI_INTR_TYPE_MSI && !ISP2(navail)) {
3468 		/* MSI must be power of 2 */
3469 		if ((navail & 16) == 16) {
3470 			navail = 16;
3471 		} else if ((navail & 8) == 8) {
3472 			navail = 8;
3473 		} else if ((navail & 4) == 4) {
3474 			navail = 4;
3475 		} else if ((navail & 2) == 2) {
3476 			navail = 2;
3477 		} else {
3478 			navail = 1;
3479 		}
3480 		HXGE_DEBUG_MSG((hxgep, INT_CTL,
3481 		    "ddi_intr_get_navail(): (msi power of 2) nintrs %d, "
3482 		    "navail %d", nintrs, navail));
3483 	}
3484 
3485 	HXGE_DEBUG_MSG((hxgep, INT_CTL,
3486 	    "requesting: intr type %d nintrs %d, navail %d",
3487 	    int_type, nintrs, navail));
3488 
3489 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
3490 	    DDI_INTR_ALLOC_NORMAL);
3491 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
3492 	intrp->htable = kmem_zalloc(intrp->intr_size, KM_SLEEP);
3493 
3494 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
3495 	    navail, &nactual, behavior);
3496 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
3497 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3498 		    " ddi_intr_alloc() failed: %d", ddi_status));
3499 		kmem_free(intrp->htable, intrp->intr_size);
3500 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3501 	}
3502 
3503 	HXGE_DEBUG_MSG((hxgep, INT_CTL,
3504 	    "ddi_intr_alloc() returned: navail %d nactual %d",
3505 	    navail, nactual));
3506 
3507 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
3508 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
3509 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3510 		    " ddi_intr_get_pri() failed: %d", ddi_status));
3511 		/* Free already allocated interrupts */
3512 		for (y = 0; y < nactual; y++) {
3513 			(void) ddi_intr_free(intrp->htable[y]);
3514 		}
3515 
3516 		kmem_free(intrp->htable, intrp->intr_size);
3517 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3518 	}
3519 
3520 	nrequired = 0;
3521 	status = hxge_ldgv_init(hxgep, &nactual, &nrequired);
3522 	if (status != HXGE_OK) {
3523 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3524 		    "hxge_add_intrs_adv_typ:hxge_ldgv_init "
3525 		    "failed: 0x%x", status));
3526 		/* Free already allocated interrupts */
3527 		for (y = 0; y < nactual; y++) {
3528 			(void) ddi_intr_free(intrp->htable[y]);
3529 		}
3530 
3531 		kmem_free(intrp->htable, intrp->intr_size);
3532 		return (status);
3533 	}
3534 
3535 	ldgp = hxgep->ldgvp->ldgp;
3536 	HXGE_DEBUG_MSG((hxgep, INT_CTL,
3537 	    "After hxge_ldgv_init(): nreq %d nactual %d", nrequired, nactual));
3538 
3539 	if (nactual < nrequired)
3540 		loop = nactual;
3541 	else
3542 		loop = nrequired;
3543 
3544 	for (x = 0; x < loop; x++, ldgp++) {
3545 		ldgp->vector = (uint8_t)x;
3546 		arg1 = ldgp->ldvp;
3547 		arg2 = hxgep;
3548 		if (ldgp->nldvs == 1) {
3549 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
3550 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3551 			    "hxge_add_intrs_adv_type: arg1 0x%x arg2 0x%x: "
3552 			    "1-1 int handler (entry %d)\n",
3553 			    arg1, arg2, x));
3554 		} else if (ldgp->nldvs > 1) {
3555 			inthandler = (uint_t *)ldgp->sys_intr_handler;
3556 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3557 			    "hxge_add_intrs_adv_type: arg1 0x%x arg2 0x%x: "
3558 			    "nldevs %d int handler (entry %d)\n",
3559 			    arg1, arg2, ldgp->nldvs, x));
3560 		}
3561 		HXGE_DEBUG_MSG((hxgep, INT_CTL,
3562 		    "==> hxge_add_intrs_adv_type: ddi_add_intr(inum) #%d "
3563 		    "htable 0x%llx", x, intrp->htable[x]));
3564 
3565 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
3566 		    (ddi_intr_handler_t *)inthandler, arg1, arg2)) !=
3567 		    DDI_SUCCESS) {
3568 			HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3569 			    "==> hxge_add_intrs_adv_type: failed #%d "
3570 			    "status 0x%x", x, ddi_status));
3571 			for (y = 0; y < intrp->intr_added; y++) {
3572 				(void) ddi_intr_remove_handler(
3573 				    intrp->htable[y]);
3574 			}
3575 
3576 			/* Free already allocated intr */
3577 			for (y = 0; y < nactual; y++) {
3578 				(void) ddi_intr_free(intrp->htable[y]);
3579 			}
3580 			kmem_free(intrp->htable, intrp->intr_size);
3581 
3582 			(void) hxge_ldgv_uninit(hxgep);
3583 
3584 			return (HXGE_ERROR | HXGE_DDI_FAILED);
3585 		}
3586 
3587 		intrp->intr_added++;
3588 	}
3589 	intrp->msi_intx_cnt = nactual;
3590 
3591 	HXGE_DEBUG_MSG((hxgep, INT_CTL,
3592 	    "Requested: %d, Allowed: %d msi_intx_cnt %d intr_added %d",
3593 	    navail, nactual, intrp->msi_intx_cnt, intrp->intr_added));
3594 
3595 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
3596 	(void) hxge_intr_ldgv_init(hxgep);
3597 
3598 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_add_intrs_adv_type"));
3599 
3600 	return (status);
3601 }
3602 
3603 /*ARGSUSED*/
3604 static hxge_status_t
3605 hxge_add_intrs_adv_type_fix(p_hxge_t hxgep, uint32_t int_type)
3606 {
3607 	dev_info_t	*dip = hxgep->dip;
3608 	p_hxge_ldg_t	ldgp;
3609 	p_hxge_intr_t	intrp;
3610 	uint_t		*inthandler;
3611 	void		*arg1, *arg2;
3612 	int		behavior;
3613 	int		nintrs, navail;
3614 	int		nactual, nrequired;
3615 	int		inum = 0;
3616 	int		x, y;
3617 	int		ddi_status = DDI_SUCCESS;
3618 	hxge_status_t	status = HXGE_OK;
3619 
3620 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_add_intrs_adv_type_fix"));
3621 	intrp = (p_hxge_intr_t)&hxgep->hxge_intr_type;
3622 
3623 	ddi_status = ddi_intr_get_nintrs(dip, int_type, &nintrs);
3624 	if ((ddi_status != DDI_SUCCESS) || (nintrs == 0)) {
3625 		HXGE_DEBUG_MSG((hxgep, INT_CTL,
3626 		    "ddi_intr_get_nintrs() failed, status: 0x%x%, "
3627 		    "nintrs: %d", status, nintrs));
3628 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3629 	}
3630 
3631 	ddi_status = ddi_intr_get_navail(dip, int_type, &navail);
3632 	if ((ddi_status != DDI_SUCCESS) || (navail == 0)) {
3633 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3634 		    "ddi_intr_get_navail() failed, status: 0x%x%, "
3635 		    "nintrs: %d", ddi_status, navail));
3636 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3637 	}
3638 
3639 	HXGE_DEBUG_MSG((hxgep, INT_CTL,
3640 	    "ddi_intr_get_navail() returned: nintrs %d, naavail %d",
3641 	    nintrs, navail));
3642 
3643 	behavior = ((int_type == DDI_INTR_TYPE_FIXED) ? DDI_INTR_ALLOC_STRICT :
3644 	    DDI_INTR_ALLOC_NORMAL);
3645 	intrp->intr_size = navail * sizeof (ddi_intr_handle_t);
3646 	intrp->htable = kmem_alloc(intrp->intr_size, KM_SLEEP);
3647 	ddi_status = ddi_intr_alloc(dip, intrp->htable, int_type, inum,
3648 	    navail, &nactual, behavior);
3649 	if (ddi_status != DDI_SUCCESS || nactual == 0) {
3650 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3651 		    " ddi_intr_alloc() failed: %d", ddi_status));
3652 		kmem_free(intrp->htable, intrp->intr_size);
3653 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3654 	}
3655 
3656 	if ((ddi_status = ddi_intr_get_pri(intrp->htable[0],
3657 	    (uint_t *)&intrp->pri)) != DDI_SUCCESS) {
3658 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3659 		    " ddi_intr_get_pri() failed: %d", ddi_status));
3660 		/* Free already allocated interrupts */
3661 		for (y = 0; y < nactual; y++) {
3662 			(void) ddi_intr_free(intrp->htable[y]);
3663 		}
3664 
3665 		kmem_free(intrp->htable, intrp->intr_size);
3666 		return (HXGE_ERROR | HXGE_DDI_FAILED);
3667 	}
3668 
3669 	nrequired = 0;
3670 	status = hxge_ldgv_init(hxgep, &nactual, &nrequired);
3671 	if (status != HXGE_OK) {
3672 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3673 		    "hxge_add_intrs_adv_type_fix:hxge_ldgv_init "
3674 		    "failed: 0x%x", status));
3675 		/* Free already allocated interrupts */
3676 		for (y = 0; y < nactual; y++) {
3677 			(void) ddi_intr_free(intrp->htable[y]);
3678 		}
3679 
3680 		kmem_free(intrp->htable, intrp->intr_size);
3681 		return (status);
3682 	}
3683 
3684 	ldgp = hxgep->ldgvp->ldgp;
3685 	for (x = 0; x < nrequired; x++, ldgp++) {
3686 		ldgp->vector = (uint8_t)x;
3687 		arg1 = ldgp->ldvp;
3688 		arg2 = hxgep;
3689 		if (ldgp->nldvs == 1) {
3690 			inthandler = (uint_t *)ldgp->ldvp->ldv_intr_handler;
3691 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3692 			    "hxge_add_intrs_adv_type_fix: "
3693 			    "1-1 int handler(%d) ldg %d ldv %d "
3694 			    "arg1 $%p arg2 $%p\n",
3695 			    x, ldgp->ldg, ldgp->ldvp->ldv, arg1, arg2));
3696 		} else if (ldgp->nldvs > 1) {
3697 			inthandler = (uint_t *)ldgp->sys_intr_handler;
3698 			HXGE_DEBUG_MSG((hxgep, INT_CTL,
3699 			    "hxge_add_intrs_adv_type_fix: "
3700 			    "shared ldv %d int handler(%d) ldv %d ldg %d"
3701 			    "arg1 0x%016llx arg2 0x%016llx\n",
3702 			    x, ldgp->nldvs, ldgp->ldg, ldgp->ldvp->ldv,
3703 			    arg1, arg2));
3704 		}
3705 
3706 		if ((ddi_status = ddi_intr_add_handler(intrp->htable[x],
3707 		    (ddi_intr_handler_t *)inthandler, arg1, arg2)) !=
3708 		    DDI_SUCCESS) {
3709 			HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
3710 			    "==> hxge_add_intrs_adv_type_fix: failed #%d "
3711 			    "status 0x%x", x, ddi_status));
3712 			for (y = 0; y < intrp->intr_added; y++) {
3713 				(void) ddi_intr_remove_handler(
3714 				    intrp->htable[y]);
3715 			}
3716 			for (y = 0; y < nactual; y++) {
3717 				(void) ddi_intr_free(intrp->htable[y]);
3718 			}
3719 			/* Free already allocated intr */
3720 			kmem_free(intrp->htable, intrp->intr_size);
3721 
3722 			(void) hxge_ldgv_uninit(hxgep);
3723 
3724 			return (HXGE_ERROR | HXGE_DDI_FAILED);
3725 		}
3726 		intrp->intr_added++;
3727 	}
3728 
3729 	intrp->msi_intx_cnt = nactual;
3730 
3731 	(void) ddi_intr_get_cap(intrp->htable[0], &intrp->intr_cap);
3732 
3733 	status = hxge_intr_ldgv_init(hxgep);
3734 
3735 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_add_intrs_adv_type_fix"));
3736 
3737 	return (status);
3738 }
3739 
3740 /*ARGSUSED*/
3741 static void
3742 hxge_remove_intrs(p_hxge_t hxgep)
3743 {
3744 	int		i, inum;
3745 	p_hxge_intr_t	intrp;
3746 
3747 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_remove_intrs"));
3748 	intrp = (p_hxge_intr_t)&hxgep->hxge_intr_type;
3749 	if (!intrp->intr_registered) {
3750 		HXGE_DEBUG_MSG((hxgep, INT_CTL,
3751 		    "<== hxge_remove_intrs: interrupts not registered"));
3752 		return;
3753 	}
3754 
3755 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_remove_intrs:advanced"));
3756 
3757 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
3758 		(void) ddi_intr_block_disable(intrp->htable,
3759 		    intrp->intr_added);
3760 	} else {
3761 		for (i = 0; i < intrp->intr_added; i++) {
3762 			(void) ddi_intr_disable(intrp->htable[i]);
3763 		}
3764 	}
3765 
3766 	for (inum = 0; inum < intrp->intr_added; inum++) {
3767 		if (intrp->htable[inum]) {
3768 			(void) ddi_intr_remove_handler(intrp->htable[inum]);
3769 		}
3770 	}
3771 
3772 	for (inum = 0; inum < intrp->msi_intx_cnt; inum++) {
3773 		if (intrp->htable[inum]) {
3774 			HXGE_DEBUG_MSG((hxgep, DDI_CTL,
3775 			    "hxge_remove_intrs: ddi_intr_free inum %d "
3776 			    "msi_intx_cnt %d intr_added %d",
3777 			    inum, intrp->msi_intx_cnt, intrp->intr_added));
3778 
3779 			(void) ddi_intr_free(intrp->htable[inum]);
3780 		}
3781 	}
3782 
3783 	kmem_free(intrp->htable, intrp->intr_size);
3784 	intrp->intr_registered = B_FALSE;
3785 	intrp->intr_enabled = B_FALSE;
3786 	intrp->msi_intx_cnt = 0;
3787 	intrp->intr_added = 0;
3788 
3789 	(void) hxge_ldgv_uninit(hxgep);
3790 
3791 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_remove_intrs"));
3792 }
3793 
3794 /*ARGSUSED*/
3795 static void
3796 hxge_remove_soft_intrs(p_hxge_t hxgep)
3797 {
3798 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_remove_soft_intrs"));
3799 
3800 	if (hxgep->resched_id) {
3801 		ddi_remove_softintr(hxgep->resched_id);
3802 		HXGE_DEBUG_MSG((hxgep, INT_CTL,
3803 		    "==> hxge_remove_soft_intrs: removed"));
3804 		hxgep->resched_id = NULL;
3805 	}
3806 
3807 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_remove_soft_intrs"));
3808 }
3809 
3810 /*ARGSUSED*/
3811 void
3812 hxge_intrs_enable(p_hxge_t hxgep)
3813 {
3814 	p_hxge_intr_t	intrp;
3815 	int		i;
3816 	int		status;
3817 
3818 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_intrs_enable"));
3819 
3820 	intrp = (p_hxge_intr_t)&hxgep->hxge_intr_type;
3821 
3822 	if (!intrp->intr_registered) {
3823 		HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL, "<== hxge_intrs_enable: "
3824 		    "interrupts are not registered"));
3825 		return;
3826 	}
3827 
3828 	if (intrp->intr_enabled) {
3829 		HXGE_DEBUG_MSG((hxgep, INT_CTL,
3830 		    "<== hxge_intrs_enable: already enabled"));
3831 		return;
3832 	}
3833 
3834 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
3835 		status = ddi_intr_block_enable(intrp->htable,
3836 		    intrp->intr_added);
3837 		HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_intrs_enable "
3838 		    "block enable - status 0x%x total inums #%d\n",
3839 		    status, intrp->intr_added));
3840 	} else {
3841 		for (i = 0; i < intrp->intr_added; i++) {
3842 			status = ddi_intr_enable(intrp->htable[i]);
3843 			HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_intrs_enable "
3844 			    "ddi_intr_enable:enable - status 0x%x "
3845 			    "total inums %d enable inum #%d\n",
3846 			    status, intrp->intr_added, i));
3847 			if (status == DDI_SUCCESS) {
3848 				intrp->intr_enabled = B_TRUE;
3849 			}
3850 		}
3851 	}
3852 
3853 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_intrs_enable"));
3854 }
3855 
3856 /*ARGSUSED*/
3857 static void
3858 hxge_intrs_disable(p_hxge_t hxgep)
3859 {
3860 	p_hxge_intr_t	intrp;
3861 	int		i;
3862 
3863 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "==> hxge_intrs_disable"));
3864 
3865 	intrp = (p_hxge_intr_t)&hxgep->hxge_intr_type;
3866 
3867 	if (!intrp->intr_registered) {
3868 		HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_intrs_disable: "
3869 		    "interrupts are not registered"));
3870 		return;
3871 	}
3872 
3873 	if (intrp->intr_cap & DDI_INTR_FLAG_BLOCK) {
3874 		(void) ddi_intr_block_disable(intrp->htable,
3875 		    intrp->intr_added);
3876 	} else {
3877 		for (i = 0; i < intrp->intr_added; i++) {
3878 			(void) ddi_intr_disable(intrp->htable[i]);
3879 		}
3880 	}
3881 
3882 	intrp->intr_enabled = B_FALSE;
3883 	HXGE_DEBUG_MSG((hxgep, INT_CTL, "<== hxge_intrs_disable"));
3884 }
3885 
3886 static hxge_status_t
3887 hxge_mac_register(p_hxge_t hxgep)
3888 {
3889 	mac_register_t	*macp;
3890 	int		status;
3891 
3892 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "==> hxge_mac_register"));
3893 
3894 	if ((macp = mac_alloc(MAC_VERSION)) == NULL)
3895 		return (HXGE_ERROR);
3896 
3897 	macp->m_type_ident = MAC_PLUGIN_IDENT_ETHER;
3898 	macp->m_driver = hxgep;
3899 	macp->m_dip = hxgep->dip;
3900 	macp->m_src_addr = hxgep->ouraddr.ether_addr_octet;
3901 
3902 	HXGE_DEBUG_MSG((hxgep, DDI_CTL,
3903 	    "hxge_mac_register: ether addr is %x:%x:%x:%x:%x:%x",
3904 	    macp->m_src_addr[0],
3905 	    macp->m_src_addr[1],
3906 	    macp->m_src_addr[2],
3907 	    macp->m_src_addr[3],
3908 	    macp->m_src_addr[4],
3909 	    macp->m_src_addr[5]));
3910 
3911 	macp->m_callbacks = &hxge_m_callbacks;
3912 	macp->m_min_sdu = 0;
3913 	macp->m_max_sdu = hxgep->vmac.maxframesize - MTU_TO_FRAME_SIZE;
3914 	macp->m_margin = VLAN_TAGSZ;
3915 	macp->m_priv_props = hxge_priv_props;
3916 	macp->m_priv_prop_count = HXGE_MAX_PRIV_PROPS;
3917 
3918 	status = mac_register(macp, &hxgep->mach);
3919 	mac_free(macp);
3920 
3921 	if (status != 0) {
3922 		cmn_err(CE_WARN,
3923 		    "hxge_mac_register failed (status %d instance %d)",
3924 		    status, hxgep->instance);
3925 		return (HXGE_ERROR);
3926 	}
3927 
3928 	HXGE_DEBUG_MSG((hxgep, DDI_CTL, "<== hxge_mac_register success "
3929 	    "(instance %d)", hxgep->instance));
3930 
3931 	return (HXGE_OK);
3932 }
3933 
3934 static int
3935 hxge_init_common_dev(p_hxge_t hxgep)
3936 {
3937 	p_hxge_hw_list_t	hw_p;
3938 	dev_info_t		*p_dip;
3939 
3940 	HXGE_DEBUG_MSG((hxgep, MOD_CTL, "==> hxge_init_common_dev"));
3941 
3942 	p_dip = hxgep->p_dip;
3943 	MUTEX_ENTER(&hxge_common_lock);
3944 
3945 	/*
3946 	 * Loop through existing per Hydra hardware list.
3947 	 */
3948 	for (hw_p = hxge_hw_list; hw_p; hw_p = hw_p->next) {
3949 		HXGE_DEBUG_MSG((hxgep, MOD_CTL,
3950 		    "==> hxge_init_common_dev: hw_p $%p parent dip $%p",
3951 		    hw_p, p_dip));
3952 		if (hw_p->parent_devp == p_dip) {
3953 			hxgep->hxge_hw_p = hw_p;
3954 			hw_p->ndevs++;
3955 			hw_p->hxge_p = hxgep;
3956 			HXGE_DEBUG_MSG((hxgep, MOD_CTL,
3957 			    "==> hxge_init_common_device: "
3958 			    "hw_p $%p parent dip $%p ndevs %d (found)",
3959 			    hw_p, p_dip, hw_p->ndevs));
3960 			break;
3961 		}
3962 	}
3963 
3964 	if (hw_p == NULL) {
3965 		HXGE_DEBUG_MSG((hxgep, MOD_CTL,
3966 		    "==> hxge_init_common_dev: parent dip $%p (new)", p_dip));
3967 		hw_p = kmem_zalloc(sizeof (hxge_hw_list_t), KM_SLEEP);
3968 		hw_p->parent_devp = p_dip;
3969 		hw_p->magic = HXGE_MAGIC;
3970 		hxgep->hxge_hw_p = hw_p;
3971 		hw_p->ndevs++;
3972 		hw_p->hxge_p = hxgep;
3973 		hw_p->next = hxge_hw_list;
3974 
3975 		MUTEX_INIT(&hw_p->hxge_cfg_lock, NULL, MUTEX_DRIVER, NULL);
3976 		MUTEX_INIT(&hw_p->hxge_tcam_lock, NULL, MUTEX_DRIVER, NULL);
3977 		MUTEX_INIT(&hw_p->hxge_vlan_lock, NULL, MUTEX_DRIVER, NULL);
3978 
3979 		hxge_hw_list = hw_p;
3980 	}
3981 	MUTEX_EXIT(&hxge_common_lock);
3982 	HXGE_DEBUG_MSG((hxgep, MOD_CTL,
3983 	    "==> hxge_init_common_dev (hxge_hw_list) $%p", hxge_hw_list));
3984 	HXGE_DEBUG_MSG((hxgep, MOD_CTL, "<== hxge_init_common_dev"));
3985 
3986 	return (HXGE_OK);
3987 }
3988 
3989 static void
3990 hxge_uninit_common_dev(p_hxge_t hxgep)
3991 {
3992 	p_hxge_hw_list_t	hw_p, h_hw_p;
3993 	dev_info_t		*p_dip;
3994 
3995 	HXGE_DEBUG_MSG((hxgep, MOD_CTL, "==> hxge_uninit_common_dev"));
3996 	if (hxgep->hxge_hw_p == NULL) {
3997 		HXGE_DEBUG_MSG((hxgep, MOD_CTL,
3998 		    "<== hxge_uninit_common_dev (no common)"));
3999 		return;
4000 	}
4001 
4002 	MUTEX_ENTER(&hxge_common_lock);
4003 	h_hw_p = hxge_hw_list;
4004 	for (hw_p = hxge_hw_list; hw_p; hw_p = hw_p->next) {
4005 		p_dip = hw_p->parent_devp;
4006 		if (hxgep->hxge_hw_p == hw_p && p_dip == hxgep->p_dip &&
4007 		    hxgep->hxge_hw_p->magic == HXGE_MAGIC &&
4008 		    hw_p->magic == HXGE_MAGIC) {
4009 			HXGE_DEBUG_MSG((hxgep, MOD_CTL,
4010 			    "==> hxge_uninit_common_dev: "
4011 			    "hw_p $%p parent dip $%p ndevs %d (found)",
4012 			    hw_p, p_dip, hw_p->ndevs));
4013 
4014 			hxgep->hxge_hw_p = NULL;
4015 			if (hw_p->ndevs) {
4016 				hw_p->ndevs--;
4017 			}
4018 			hw_p->hxge_p = NULL;
4019 			if (!hw_p->ndevs) {
4020 				MUTEX_DESTROY(&hw_p->hxge_vlan_lock);
4021 				MUTEX_DESTROY(&hw_p->hxge_tcam_lock);
4022 				MUTEX_DESTROY(&hw_p->hxge_cfg_lock);
4023 				HXGE_DEBUG_MSG((hxgep, MOD_CTL,
4024 				    "==> hxge_uninit_common_dev: "
4025 				    "hw_p $%p parent dip $%p ndevs %d (last)",
4026 				    hw_p, p_dip, hw_p->ndevs));
4027 
4028 				if (hw_p == hxge_hw_list) {
4029 					HXGE_DEBUG_MSG((hxgep, MOD_CTL,
4030 					    "==> hxge_uninit_common_dev:"
4031 					    "remove head "
4032 					    "hw_p $%p parent dip $%p "
4033 					    "ndevs %d (head)",
4034 					    hw_p, p_dip, hw_p->ndevs));
4035 					hxge_hw_list = hw_p->next;
4036 				} else {
4037 					HXGE_DEBUG_MSG((hxgep, MOD_CTL,
4038 					    "==> hxge_uninit_common_dev:"
4039 					    "remove middle "
4040 					    "hw_p $%p parent dip $%p "
4041 					    "ndevs %d (middle)",
4042 					    hw_p, p_dip, hw_p->ndevs));
4043 					h_hw_p->next = hw_p->next;
4044 				}
4045 
4046 				KMEM_FREE(hw_p, sizeof (hxge_hw_list_t));
4047 			}
4048 			break;
4049 		} else {
4050 			h_hw_p = hw_p;
4051 		}
4052 	}
4053 
4054 	MUTEX_EXIT(&hxge_common_lock);
4055 	HXGE_DEBUG_MSG((hxgep, MOD_CTL,
4056 	    "==> hxge_uninit_common_dev (hxge_hw_list) $%p", hxge_hw_list));
4057 
4058 	HXGE_DEBUG_MSG((hxgep, MOD_CTL, "<= hxge_uninit_common_dev"));
4059 }
4060 
4061 #define	HXGE_MSIX_ENTRIES		32
4062 #define	HXGE_MSIX_WAIT_COUNT		10
4063 #define	HXGE_MSIX_PARITY_CHECK_COUNT	30
4064 
4065 static void
4066 hxge_link_poll(void *arg)
4067 {
4068 	p_hxge_t		hxgep = (p_hxge_t)arg;
4069 	hpi_handle_t		handle;
4070 	cip_link_stat_t		link_stat;
4071 	hxge_timeout		*to = &hxgep->timeout;
4072 
4073 	handle = HXGE_DEV_HPI_HANDLE(hxgep);
4074 	HXGE_REG_RD32(handle, CIP_LINK_STAT, &link_stat.value);
4075 
4076 	if (to->report_link_status ||
4077 	    (to->link_status != link_stat.bits.xpcs0_link_up)) {
4078 		to->link_status = link_stat.bits.xpcs0_link_up;
4079 		to->report_link_status = B_FALSE;
4080 
4081 		if (link_stat.bits.xpcs0_link_up) {
4082 			hxge_link_update(hxgep, LINK_STATE_UP);
4083 		} else {
4084 			hxge_link_update(hxgep, LINK_STATE_DOWN);
4085 		}
4086 	}
4087 
4088 	/* Restart the link status timer to check the link status */
4089 	MUTEX_ENTER(&to->lock);
4090 	to->id = timeout(hxge_link_poll, arg, to->ticks);
4091 	MUTEX_EXIT(&to->lock);
4092 }
4093 
4094 static void
4095 hxge_link_update(p_hxge_t hxgep, link_state_t state)
4096 {
4097 	p_hxge_stats_t		statsp = (p_hxge_stats_t)hxgep->statsp;
4098 
4099 	mac_link_update(hxgep->mach, state);
4100 	if (state == LINK_STATE_UP) {
4101 		statsp->mac_stats.link_speed = 10000;
4102 		statsp->mac_stats.link_duplex = 2;
4103 		statsp->mac_stats.link_up = 1;
4104 	} else {
4105 		statsp->mac_stats.link_speed = 0;
4106 		statsp->mac_stats.link_duplex = 0;
4107 		statsp->mac_stats.link_up = 0;
4108 	}
4109 }
4110 
4111 static void
4112 hxge_msix_init(p_hxge_t hxgep)
4113 {
4114 	indacc_mem1_ctrl_t	indacc_mem1_ctrl;
4115 	indacc_mem1_data0_t	data0;
4116 	indacc_mem1_data1_t	data1;
4117 	indacc_mem1_data2_t	data2;
4118 	indacc_mem1_prty_t	prty;
4119 	int			count;
4120 	int			i;
4121 
4122 	for (i = 0; i < HXGE_MSIX_ENTRIES; i++) {
4123 		indacc_mem1_ctrl.value = 0;
4124 		HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_CTRL,
4125 		    &indacc_mem1_ctrl.value);
4126 
4127 		data0.value = 0xffffffff - i;
4128 		HXGE_REG_WR32(hxgep->hpi_handle, INDACC_MEM1_DATA0,
4129 		    data0.value);
4130 		data1.value = 0xffffffff - i - 1;
4131 		HXGE_REG_WR32(hxgep->hpi_handle, INDACC_MEM1_DATA1,
4132 		    data1.value);
4133 		data2.value = 0xffffffff - i - 2;
4134 		HXGE_REG_WR32(hxgep->hpi_handle, INDACC_MEM1_DATA2,
4135 		    data2.value);
4136 
4137 		indacc_mem1_ctrl.value = 0;
4138 		indacc_mem1_ctrl.bits.mem1_addr = i;
4139 		indacc_mem1_ctrl.bits.mem1_sel = 2;
4140 		indacc_mem1_ctrl.bits.mem1_prty_wen = 0;
4141 		indacc_mem1_ctrl.bits.mem1_command = 0;
4142 		indacc_mem1_ctrl.bits.mem1_diagen = 1;
4143 		HXGE_REG_WR32(hxgep->hpi_handle, INDACC_MEM1_CTRL,
4144 		    indacc_mem1_ctrl.value);
4145 
4146 		/* check that operation completed */
4147 		HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_CTRL,
4148 		    &indacc_mem1_ctrl.value);
4149 
4150 		count = 0;
4151 		while (indacc_mem1_ctrl.bits.mem1_access_status != 1 &&
4152 		    count++ < HXGE_MSIX_WAIT_COUNT) {
4153 			HXGE_DELAY(1);
4154 			indacc_mem1_ctrl.value = 0;
4155 			HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_CTRL,
4156 			    &indacc_mem1_ctrl.value);
4157 		}
4158 	}
4159 
4160 	for (i = 0; i < HXGE_MSIX_ENTRIES; i++) {
4161 		indacc_mem1_ctrl.value = 0;
4162 		indacc_mem1_ctrl.bits.mem1_addr = i;
4163 		indacc_mem1_ctrl.bits.mem1_sel = 2;
4164 		indacc_mem1_ctrl.bits.mem1_prty_wen = 0;
4165 		indacc_mem1_ctrl.bits.mem1_command = 1;
4166 		indacc_mem1_ctrl.bits.mem1_diagen = 1;
4167 
4168 		/* issue read command */
4169 		HXGE_REG_WR32(hxgep->hpi_handle, INDACC_MEM1_CTRL,
4170 		    indacc_mem1_ctrl.value);
4171 
4172 		/* wait for read operation to complete */
4173 		count = 0;
4174 		HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_CTRL,
4175 		    &indacc_mem1_ctrl.value);
4176 		while (indacc_mem1_ctrl.bits.mem1_access_status != 1 &&
4177 		    count++ < HXGE_MSIX_WAIT_COUNT) {
4178 			HXGE_DELAY(1);
4179 			HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_CTRL,
4180 			    &indacc_mem1_ctrl.value);
4181 		}
4182 
4183 
4184 
4185 		data0.value = data1.value = data2.value = prty.value = 0;
4186 		HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_DATA0,
4187 		    &data0.value);
4188 		HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_DATA1,
4189 		    &data1.value);
4190 		HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_DATA2,
4191 		    &data2.value);
4192 		HXGE_REG_RD32(hxgep->hpi_handle, INDACC_MEM1_PRTY,
4193 		    &prty.value);
4194 	}
4195 
4196 	/* Turn off diagnostic mode */
4197 	indacc_mem1_ctrl.value = 0;
4198 	indacc_mem1_ctrl.bits.mem1_addr = 0;
4199 	indacc_mem1_ctrl.bits.mem1_sel = 0;
4200 	indacc_mem1_ctrl.bits.mem1_prty_wen = 0;
4201 	indacc_mem1_ctrl.bits.mem1_command = 0;
4202 	indacc_mem1_ctrl.bits.mem1_diagen = 0;
4203 	HXGE_REG_WR32(hxgep->hpi_handle, INDACC_MEM1_CTRL,
4204 	    indacc_mem1_ctrl.value);
4205 }
4206 
4207 void
4208 hxge_check_msix_parity_err(p_hxge_t hxgep)
4209 {
4210 	indacc_mem1_ctrl_t	indacc_mem1_ctrl;
4211 	indacc_mem1_data0_t	data0;
4212 	indacc_mem1_data1_t	data1;
4213 	indacc_mem1_data2_t	data2;
4214 	indacc_mem1_prty_t	prty;
4215 	uint32_t		parity = 0;
4216 	int			count;
4217 	int			i;
4218 
4219 	hpi_handle_t		handle;
4220 	p_hxge_peu_sys_stats_t	statsp;
4221 
4222 	handle = hxgep->hpi_handle;
4223 	statsp = (p_hxge_peu_sys_stats_t)&hxgep->statsp->peu_sys_stats;
4224 
4225 	for (i = 0; i < HXGE_MSIX_ENTRIES; i++) {
4226 		indacc_mem1_ctrl.value = 0;
4227 		indacc_mem1_ctrl.bits.mem1_addr = i;
4228 		indacc_mem1_ctrl.bits.mem1_sel = 2;
4229 		indacc_mem1_ctrl.bits.mem1_prty_wen = 0;
4230 		indacc_mem1_ctrl.bits.mem1_command = 1;
4231 		indacc_mem1_ctrl.bits.mem1_diagen = 1;
4232 
4233 		/* issue read command */
4234 		HXGE_REG_WR32(handle, INDACC_MEM1_CTRL, indacc_mem1_ctrl.value);
4235 
4236 		/* wait for read operation to complete */
4237 		count = 0;
4238 		HXGE_REG_RD32(handle, INDACC_MEM1_CTRL,
4239 		    &indacc_mem1_ctrl.value);
4240 		while (indacc_mem1_ctrl.bits.mem1_access_status != 1 &&
4241 		    count++ < HXGE_MSIX_WAIT_COUNT) {
4242 			HXGE_DELAY(1);
4243 			HXGE_REG_RD32(handle, INDACC_MEM1_CTRL,
4244 			    &indacc_mem1_ctrl.value);
4245 		}
4246 
4247 		data0.value = data1.value = data2.value = prty.value = 0;
4248 		HXGE_REG_RD32(handle, INDACC_MEM1_DATA0, &data0.value);
4249 		HXGE_REG_RD32(handle, INDACC_MEM1_DATA1, &data1.value);
4250 		HXGE_REG_RD32(handle, INDACC_MEM1_DATA2, &data2.value);
4251 		HXGE_REG_RD32(handle, INDACC_MEM1_PRTY, &prty.value);
4252 
4253 		parity = gen_32bit_parity(data0.value, B_FALSE) |
4254 		    (gen_32bit_parity(data1.value, B_FALSE) << 4) |
4255 		    (gen_32bit_parity(data2.value, B_FALSE) << 8);
4256 
4257 		if (parity != prty.bits.mem1_parity) {
4258 			statsp->eic_msix_parerr++;
4259 			if (statsp->eic_msix_parerr == 1) {
4260 				HXGE_ERROR_MSG((hxgep, HXGE_ERR_CTL,
4261 				    "==> hxge_check_msix_parity_err: "
4262 				    "eic_msix_parerr"));
4263 				HXGE_FM_REPORT_ERROR(hxgep, NULL,
4264 				    HXGE_FM_EREPORT_PEU_ERR);
4265 			}
4266 		}
4267 	}
4268 
4269 	/* Turn off diagnostic mode */
4270 	indacc_mem1_ctrl.value = 0;
4271 	indacc_mem1_ctrl.bits.mem1_addr = 0;
4272 	indacc_mem1_ctrl.bits.mem1_sel = 0;
4273 	indacc_mem1_ctrl.bits.mem1_prty_wen = 0;
4274 	indacc_mem1_ctrl.bits.mem1_command = 0;
4275 	indacc_mem1_ctrl.bits.mem1_diagen = 0;
4276 	HXGE_REG_WR32(handle, INDACC_MEM1_CTRL, indacc_mem1_ctrl.value);
4277 }
4278 
4279 static uint8_t
4280 gen_32bit_parity(uint32_t data, boolean_t odd_parity)
4281 {
4282 	uint8_t		parity = 0;
4283 	uint8_t		data_byte = 0;
4284 	uint8_t		parity_bit = 0;
4285 	uint32_t	i = 0, j = 0;
4286 
4287 	for (i = 0; i < 4; i++) {
4288 		data_byte = (data >> (i * 8)) & 0xffULL;
4289 		parity_bit = odd_parity ? 1 : 0;
4290 		for (j = 0; j < 8; j++) {
4291 			parity_bit ^= (data_byte >> j) & 0x1ULL;
4292 		}
4293 		parity |= (parity_bit << i);
4294 	}
4295 
4296 	return (parity);
4297 }
4298