xref: /freebsd/sys/dev/oce/oce_mbox.c (revision b740c88bfb6453416926271c089262e7164dace3)
1 /*-
2  * Copyright (C) 2013 Emulex
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are met:
7  *
8  * 1. Redistributions of source code must retain the above copyright notice,
9  *    this list of conditions and the following disclaimer.
10  *
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * 3. Neither the name of the Emulex Corporation nor the names of its
16  *    contributors may be used to endorse or promote products derived from
17  *    this software without specific prior written permission.
18  *
19  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
20  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
21  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
22  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
23  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  *
31  * Contact Information:
32  * freebsd-drivers@emulex.com
33  *
34  * Emulex
35  * 3333 Susan Street
36  * Costa Mesa, CA 92626
37  */
38 
39 /* $FreeBSD$ */
40 
41 #include "oce_if.h"
42 extern uint32_t sfp_vpd_dump_buffer[TRANSCEIVER_DATA_NUM_ELE];
43 
44 /**
45  * @brief Reset (firmware) common function
46  * @param sc		software handle to the device
47  * @returns		0 on success, ETIMEDOUT on failure
48  */
49 int
50 oce_reset_fun(POCE_SOFTC sc)
51 {
52 	struct oce_mbx *mbx;
53 	struct oce_bmbx *mb;
54 	struct ioctl_common_function_reset *fwcmd;
55 	int rc = 0;
56 
57 	if (sc->flags & OCE_FLAGS_FUNCRESET_RQD) {
58 		mb = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
59 		mbx = &mb->mbx;
60 		bzero(mbx, sizeof(struct oce_mbx));
61 
62 		fwcmd = (struct ioctl_common_function_reset *)&mbx->payload;
63 		mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
64 					MBX_SUBSYSTEM_COMMON,
65 					OPCODE_COMMON_FUNCTION_RESET,
66 					10,	/* MBX_TIMEOUT_SEC */
67 					sizeof(struct
68 					    ioctl_common_function_reset),
69 					OCE_MBX_VER_V0);
70 
71 		mbx->u0.s.embedded = 1;
72 		mbx->payload_length =
73 		    sizeof(struct ioctl_common_function_reset);
74 
75 		rc = oce_mbox_dispatch(sc, 2);
76 	}
77 
78 	return rc;
79 }
80 
81 
82 /**
83  * @brief  		This funtions tells firmware we are
84  *			done with commands.
85  * @param sc            software handle to the device
86  * @returns             0 on success, ETIMEDOUT on failure
87  */
88 int
89 oce_fw_clean(POCE_SOFTC sc)
90 {
91 	struct oce_bmbx *mbx;
92 	uint8_t *ptr;
93 	int ret = 0;
94 
95 	mbx = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
96 	ptr = (uint8_t *) &mbx->mbx;
97 
98 	/* Endian Signature */
99 	*ptr++ = 0xff;
100 	*ptr++ = 0xaa;
101 	*ptr++ = 0xbb;
102 	*ptr++ = 0xff;
103 	*ptr++ = 0xff;
104 	*ptr++ = 0xcc;
105 	*ptr++ = 0xdd;
106 	*ptr = 0xff;
107 
108 	ret = oce_mbox_dispatch(sc, 2);
109 
110 	return ret;
111 }
112 
113 
114 /**
115  * @brief Mailbox wait
116  * @param sc		software handle to the device
117  * @param tmo_sec	timeout in seconds
118  */
119 static int
120 oce_mbox_wait(POCE_SOFTC sc, uint32_t tmo_sec)
121 {
122 	tmo_sec *= 10000;
123 	pd_mpu_mbox_db_t mbox_db;
124 
125 	for (;;) {
126 		if (tmo_sec != 0) {
127 			if (--tmo_sec == 0)
128 				break;
129 		}
130 
131 		mbox_db.dw0 = OCE_READ_REG32(sc, db, PD_MPU_MBOX_DB);
132 
133 		if (mbox_db.bits.ready)
134 			return 0;
135 
136 		DELAY(100);
137 	}
138 
139 	device_printf(sc->dev, "Mailbox timed out\n");
140 
141 	return ETIMEDOUT;
142 }
143 
144 
145 /**
146  * @brief Mailbox dispatch
147  * @param sc		software handle to the device
148  * @param tmo_sec	timeout in seconds
149  */
150 int
151 oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec)
152 {
153 	pd_mpu_mbox_db_t mbox_db;
154 	uint32_t pa;
155 	int rc;
156 
157 	oce_dma_sync(&sc->bsmbx, BUS_DMASYNC_PREWRITE);
158 	pa = (uint32_t) ((uint64_t) sc->bsmbx.paddr >> 34);
159 	bzero(&mbox_db, sizeof(pd_mpu_mbox_db_t));
160 	mbox_db.bits.ready = 0;
161 	mbox_db.bits.hi = 1;
162 	mbox_db.bits.address = pa;
163 
164 	rc = oce_mbox_wait(sc, tmo_sec);
165 	if (rc == 0) {
166 		OCE_WRITE_REG32(sc, db, PD_MPU_MBOX_DB, mbox_db.dw0);
167 
168 		pa = (uint32_t) ((uint64_t) sc->bsmbx.paddr >> 4) & 0x3fffffff;
169 		mbox_db.bits.ready = 0;
170 		mbox_db.bits.hi = 0;
171 		mbox_db.bits.address = pa;
172 
173 		rc = oce_mbox_wait(sc, tmo_sec);
174 
175 		if (rc == 0) {
176 			OCE_WRITE_REG32(sc, db, PD_MPU_MBOX_DB, mbox_db.dw0);
177 
178 			rc = oce_mbox_wait(sc, tmo_sec);
179 
180 			oce_dma_sync(&sc->bsmbx, BUS_DMASYNC_POSTWRITE);
181 		}
182 	}
183 
184 	return rc;
185 }
186 
187 
188 
189 /**
190  * @brief 		Mailbox common request header initialization
191  * @param hdr		mailbox header
192  * @param dom		domain
193  * @param port		port
194  * @param subsys	subsystem
195  * @param opcode	opcode
196  * @param timeout	timeout
197  * @param pyld_len	payload length
198  */
199 void
200 mbx_common_req_hdr_init(struct mbx_hdr *hdr,
201 			uint8_t dom, uint8_t port,
202 			uint8_t subsys, uint8_t opcode,
203 			uint32_t timeout, uint32_t pyld_len,
204 			uint8_t version)
205 {
206 	hdr->u0.req.opcode = opcode;
207 	hdr->u0.req.subsystem = subsys;
208 	hdr->u0.req.port_number = port;
209 	hdr->u0.req.domain = dom;
210 
211 	hdr->u0.req.timeout = timeout;
212 	hdr->u0.req.request_length = pyld_len - sizeof(struct mbx_hdr);
213 	hdr->u0.req.version = version;
214 }
215 
216 
217 
218 /**
219  * @brief Function to initialize the hw with host endian information
220  * @param sc		software handle to the device
221  * @returns		0 on success, ETIMEDOUT on failure
222  */
223 int
224 oce_mbox_init(POCE_SOFTC sc)
225 {
226 	struct oce_bmbx *mbx;
227 	uint8_t *ptr;
228 	int ret = 0;
229 
230 	if (sc->flags & OCE_FLAGS_MBOX_ENDIAN_RQD) {
231 		mbx = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
232 		ptr = (uint8_t *) &mbx->mbx;
233 
234 		/* Endian Signature */
235 		*ptr++ = 0xff;
236 		*ptr++ = 0x12;
237 		*ptr++ = 0x34;
238 		*ptr++ = 0xff;
239 		*ptr++ = 0xff;
240 		*ptr++ = 0x56;
241 		*ptr++ = 0x78;
242 		*ptr = 0xff;
243 
244 		ret = oce_mbox_dispatch(sc, 0);
245 	}
246 
247 	return ret;
248 }
249 
250 
251 /**
252  * @brief 		Function to get the firmware version
253  * @param sc		software handle to the device
254  * @returns		0 on success, EIO on failure
255  */
256 int
257 oce_get_fw_version(POCE_SOFTC sc)
258 {
259 	struct oce_mbx mbx;
260 	struct mbx_get_common_fw_version *fwcmd;
261 	int ret = 0;
262 
263 	bzero(&mbx, sizeof(struct oce_mbx));
264 
265 	fwcmd = (struct mbx_get_common_fw_version *)&mbx.payload;
266 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
267 				MBX_SUBSYSTEM_COMMON,
268 				OPCODE_COMMON_GET_FW_VERSION,
269 				MBX_TIMEOUT_SEC,
270 				sizeof(struct mbx_get_common_fw_version),
271 				OCE_MBX_VER_V0);
272 
273 	mbx.u0.s.embedded = 1;
274 	mbx.payload_length = sizeof(struct mbx_get_common_fw_version);
275 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
276 
277 	ret = oce_mbox_post(sc, &mbx, NULL);
278 	if (!ret)
279                 ret = fwcmd->hdr.u0.rsp.status;
280 	if (ret) {
281 		device_printf(sc->dev,
282 			      "%s failed - cmd status: %d addi status: %d\n",
283 			      __FUNCTION__, ret,
284 			      fwcmd->hdr.u0.rsp.additional_status);
285 		goto error;
286 	}
287 
288 	bcopy(fwcmd->params.rsp.fw_ver_str, sc->fw_version, 32);
289 error:
290 	return ret;
291 }
292 
293 
294 /**
295  * @brief	Firmware will send gracious notifications during
296  *		attach only after sending first mcc commnad. We
297  *		use MCC queue only for getting async and mailbox
298  *		for sending cmds. So to get gracious notifications
299  *		atleast send one dummy command on mcc.
300  */
301 int
302 oce_first_mcc_cmd(POCE_SOFTC sc)
303 {
304 	struct oce_mbx *mbx;
305 	struct oce_mq *mq = sc->mq;
306 	struct mbx_get_common_fw_version *fwcmd;
307 	uint32_t reg_value;
308 
309 	mbx = RING_GET_PRODUCER_ITEM_VA(mq->ring, struct oce_mbx);
310 	bzero(mbx, sizeof(struct oce_mbx));
311 
312 	fwcmd = (struct mbx_get_common_fw_version *)&mbx->payload;
313 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
314 				MBX_SUBSYSTEM_COMMON,
315 				OPCODE_COMMON_GET_FW_VERSION,
316 				MBX_TIMEOUT_SEC,
317 				sizeof(struct mbx_get_common_fw_version),
318 				OCE_MBX_VER_V0);
319 	mbx->u0.s.embedded = 1;
320 	mbx->payload_length = sizeof(struct mbx_get_common_fw_version);
321 	bus_dmamap_sync(mq->ring->dma.tag, mq->ring->dma.map,
322 				BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
323 	RING_PUT(mq->ring, 1);
324 	reg_value = (1 << 16) | mq->mq_id;
325 	OCE_WRITE_REG32(sc, db, PD_MQ_DB, reg_value);
326 
327 	return 0;
328 }
329 
330 /**
331  * @brief		Function to post a MBX to the mbox
332  * @param sc		software handle to the device
333  * @param mbx 		pointer to the MBX to send
334  * @param mbxctx	pointer to the mbx context structure
335  * @returns		0 on success, error on failure
336  */
337 int
338 oce_mbox_post(POCE_SOFTC sc, struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx)
339 {
340 	struct oce_mbx *mb_mbx = NULL;
341 	struct oce_mq_cqe *mb_cqe = NULL;
342 	struct oce_bmbx *mb = NULL;
343 	int rc = 0;
344 	uint32_t tmo = 0;
345 	uint32_t cstatus = 0;
346 	uint32_t xstatus = 0;
347 
348 	LOCK(&sc->bmbx_lock);
349 
350 	mb = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
351 	mb_mbx = &mb->mbx;
352 
353 	/* get the tmo */
354 	tmo = mbx->tag[0];
355 	mbx->tag[0] = 0;
356 
357 	/* copy mbx into mbox */
358 	bcopy(mbx, mb_mbx, sizeof(struct oce_mbx));
359 
360 	/* now dispatch */
361 	rc = oce_mbox_dispatch(sc, tmo);
362 	if (rc == 0) {
363 		/*
364 		 * the command completed successfully. Now get the
365 		 * completion queue entry
366 		 */
367 		mb_cqe = &mb->cqe;
368 		DW_SWAP(u32ptr(&mb_cqe->u0.dw[0]), sizeof(struct oce_mq_cqe));
369 
370 		/* copy mbox mbx back */
371 		bcopy(mb_mbx, mbx, sizeof(struct oce_mbx));
372 
373 		/* pick up the mailbox status */
374 		cstatus = mb_cqe->u0.s.completion_status;
375 		xstatus = mb_cqe->u0.s.extended_status;
376 
377 		/*
378 		 * store the mbx context in the cqe tag section so that
379 		 * the upper layer handling the cqe can associate the mbx
380 		 * with the response
381 		 */
382 		if (cstatus == 0 && mbxctx) {
383 			/* save context */
384 			mbxctx->mbx = mb_mbx;
385 			bcopy(&mbxctx, mb_cqe->u0.s.mq_tag,
386 				sizeof(struct oce_mbx_ctx *));
387 		}
388 	}
389 
390 	UNLOCK(&sc->bmbx_lock);
391 
392 	return rc;
393 }
394 
395 /**
396  * @brief Function to read the mac address associated with an interface
397  * @param sc		software handle to the device
398  * @param if_id 	interface id to read the address from
399  * @param perm 		set to 1 if reading the factory mac address.
400  *			In this case if_id is ignored
401  * @param type 		type of the mac address, whether network or storage
402  * @param[out] mac 	[OUTPUT] pointer to a buffer containing the
403  *			mac address when the command succeeds.
404  * @returns		0 on success, EIO on failure
405  */
406 int
407 oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id,
408 		uint8_t perm, uint8_t type, struct mac_address_format *mac)
409 {
410 	struct oce_mbx mbx;
411 	struct mbx_query_common_iface_mac *fwcmd;
412 	int ret = 0;
413 
414 	bzero(&mbx, sizeof(struct oce_mbx));
415 
416 	fwcmd = (struct mbx_query_common_iface_mac *)&mbx.payload;
417 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
418 				MBX_SUBSYSTEM_COMMON,
419 				OPCODE_COMMON_QUERY_IFACE_MAC,
420 				MBX_TIMEOUT_SEC,
421 				sizeof(struct mbx_query_common_iface_mac),
422 				OCE_MBX_VER_V0);
423 
424 	fwcmd->params.req.permanent = perm;
425 	if (!perm)
426 		fwcmd->params.req.if_id = (uint16_t) if_id;
427 	else
428 		fwcmd->params.req.if_id = 0;
429 
430 	fwcmd->params.req.type = type;
431 
432 	mbx.u0.s.embedded = 1;
433 	mbx.payload_length = sizeof(struct mbx_query_common_iface_mac);
434 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
435 
436 	ret = oce_mbox_post(sc, &mbx, NULL);
437 	if (!ret)
438                 ret = fwcmd->hdr.u0.rsp.status;
439 	if (ret) {
440 		device_printf(sc->dev,
441 			      "%s failed - cmd status: %d addi status: %d\n",
442 			      __FUNCTION__, ret,
443 			      fwcmd->hdr.u0.rsp.additional_status);
444 		goto error;
445 	}
446 
447 	/* copy the mac addres in the output parameter */
448 	mac->size_of_struct = fwcmd->params.rsp.mac.size_of_struct;
449 	bcopy(&fwcmd->params.rsp.mac.mac_addr[0], &mac->mac_addr[0],
450 		mac->size_of_struct);
451 error:
452 	return ret;
453 }
454 
455 /**
456  * @brief Function to query the fw attributes from the hw
457  * @param sc		software handle to the device
458  * @returns		0 on success, EIO on failure
459  */
460 int
461 oce_get_fw_config(POCE_SOFTC sc)
462 {
463 	struct oce_mbx mbx;
464 	struct mbx_common_query_fw_config *fwcmd;
465 	int ret = 0;
466 
467 	bzero(&mbx, sizeof(struct oce_mbx));
468 
469 	fwcmd = (struct mbx_common_query_fw_config *)&mbx.payload;
470 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
471 				MBX_SUBSYSTEM_COMMON,
472 				OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
473 				MBX_TIMEOUT_SEC,
474 				sizeof(struct mbx_common_query_fw_config),
475 				OCE_MBX_VER_V0);
476 
477 	mbx.u0.s.embedded = 1;
478 	mbx.payload_length = sizeof(struct mbx_common_query_fw_config);
479 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
480 
481 	ret = oce_mbox_post(sc, &mbx, NULL);
482 	if (!ret)
483                 ret = fwcmd->hdr.u0.rsp.status;
484 	if (ret) {
485 		device_printf(sc->dev,
486 			      "%s failed - cmd status: %d addi status: %d\n",
487 			      __FUNCTION__, ret,
488 			      fwcmd->hdr.u0.rsp.additional_status);
489 		goto error;
490 	}
491 
492 	DW_SWAP(u32ptr(fwcmd), sizeof(struct mbx_common_query_fw_config));
493 
494 	sc->config_number = HOST_32(fwcmd->params.rsp.config_number);
495 	sc->asic_revision = HOST_32(fwcmd->params.rsp.asic_revision);
496 	sc->port_id	  = HOST_32(fwcmd->params.rsp.port_id);
497 	sc->function_mode = HOST_32(fwcmd->params.rsp.function_mode);
498 	sc->function_caps = HOST_32(fwcmd->params.rsp.function_caps);
499 
500 	if (fwcmd->params.rsp.ulp[0].ulp_mode & ULP_NIC_MODE) {
501 		sc->max_tx_rings = HOST_32(fwcmd->params.rsp.ulp[0].nic_wq_tot);
502 		sc->max_rx_rings = HOST_32(fwcmd->params.rsp.ulp[0].lro_rqid_tot);
503 	} else {
504 		sc->max_tx_rings = HOST_32(fwcmd->params.rsp.ulp[1].nic_wq_tot);
505 		sc->max_rx_rings = HOST_32(fwcmd->params.rsp.ulp[1].lro_rqid_tot);
506 	}
507 
508 error:
509 	return ret;
510 
511 }
512 
513 /**
514  *
515  * @brief function to create a device interface
516  * @param sc		software handle to the device
517  * @param cap_flags	capability flags
518  * @param en_flags	enable capability flags
519  * @param vlan_tag	optional vlan tag to associate with the if
520  * @param mac_addr	pointer to a buffer containing the mac address
521  * @param[out] if_id	[OUTPUT] pointer to an integer to hold the ID of the
522  interface created
523  * @returns		0 on success, EIO on failure
524  */
525 int
526 oce_if_create(POCE_SOFTC sc,
527 		uint32_t cap_flags,
528 		uint32_t en_flags,
529 		uint16_t vlan_tag,
530 		uint8_t *mac_addr,
531 		uint32_t *if_id)
532 {
533 	struct oce_mbx mbx;
534 	struct mbx_create_common_iface *fwcmd;
535 	int rc = 0;
536 
537 	bzero(&mbx, sizeof(struct oce_mbx));
538 
539 	fwcmd = (struct mbx_create_common_iface *)&mbx.payload;
540 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
541 				MBX_SUBSYSTEM_COMMON,
542 				OPCODE_COMMON_CREATE_IFACE,
543 				MBX_TIMEOUT_SEC,
544 				sizeof(struct mbx_create_common_iface),
545 				OCE_MBX_VER_V0);
546 	DW_SWAP(u32ptr(&fwcmd->hdr), sizeof(struct mbx_hdr));
547 
548 	fwcmd->params.req.version = 0;
549 	fwcmd->params.req.cap_flags = LE_32(cap_flags);
550 	fwcmd->params.req.enable_flags = LE_32(en_flags);
551 	if (mac_addr != NULL) {
552 		bcopy(mac_addr, &fwcmd->params.req.mac_addr[0], 6);
553 		fwcmd->params.req.vlan_tag.u0.normal.vtag = LE_16(vlan_tag);
554 		fwcmd->params.req.mac_invalid = 0;
555 	} else {
556 		fwcmd->params.req.mac_invalid = 1;
557 	}
558 
559 	mbx.u0.s.embedded = 1;
560 	mbx.payload_length = sizeof(struct mbx_create_common_iface);
561 	DW_SWAP(u32ptr(&mbx), OCE_BMBX_RHDR_SZ);
562 
563 	rc = oce_mbox_post(sc, &mbx, NULL);
564 	if (!rc)
565                 rc = fwcmd->hdr.u0.rsp.status;
566 	if (rc) {
567 		device_printf(sc->dev,
568 			      "%s failed - cmd status: %d addi status: %d\n",
569 			      __FUNCTION__, rc,
570 			      fwcmd->hdr.u0.rsp.additional_status);
571 		goto error;
572 	}
573 
574 	*if_id = HOST_32(fwcmd->params.rsp.if_id);
575 
576 	if (mac_addr != NULL)
577 		sc->pmac_id = HOST_32(fwcmd->params.rsp.pmac_id);
578 error:
579 	return rc;
580 }
581 
582 /**
583  * @brief		Function to delete an interface
584  * @param sc 		software handle to the device
585  * @param if_id		ID of the interface to delete
586  * @returns		0 on success, EIO on failure
587  */
588 int
589 oce_if_del(POCE_SOFTC sc, uint32_t if_id)
590 {
591 	struct oce_mbx mbx;
592 	struct mbx_destroy_common_iface *fwcmd;
593 	int rc = 0;
594 
595 	bzero(&mbx, sizeof(struct oce_mbx));
596 
597 	fwcmd = (struct mbx_destroy_common_iface *)&mbx.payload;
598 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
599 				MBX_SUBSYSTEM_COMMON,
600 				OPCODE_COMMON_DESTROY_IFACE,
601 				MBX_TIMEOUT_SEC,
602 				sizeof(struct mbx_destroy_common_iface),
603 				OCE_MBX_VER_V0);
604 
605 	fwcmd->params.req.if_id = if_id;
606 
607 	mbx.u0.s.embedded = 1;
608 	mbx.payload_length = sizeof(struct mbx_destroy_common_iface);
609 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
610 
611 	rc = oce_mbox_post(sc, &mbx, NULL);
612 	if (!rc)
613                 rc = fwcmd->hdr.u0.rsp.status;
614 	if (rc)
615 		device_printf(sc->dev,
616 			      "%s failed - cmd status: %d addi status: %d\n",
617 			      __FUNCTION__, rc,
618 			      fwcmd->hdr.u0.rsp.additional_status);
619 	return rc;
620 }
621 
622 /**
623  * @brief Function to send the mbx command to configure vlan
624  * @param sc 		software handle to the device
625  * @param if_id 	interface identifier index
626  * @param vtag_arr	array of vlan tags
627  * @param vtag_cnt	number of elements in array
628  * @param untagged	boolean TRUE/FLASE
629  * @param enable_promisc flag to enable/disable VLAN promiscuous mode
630  * @returns		0 on success, EIO on failure
631  */
632 int
633 oce_config_vlan(POCE_SOFTC sc,
634 		uint32_t if_id,
635 		struct normal_vlan *vtag_arr,
636 		uint8_t vtag_cnt, uint32_t untagged, uint32_t enable_promisc)
637 {
638 	struct oce_mbx mbx;
639 	struct mbx_common_config_vlan *fwcmd;
640 	int rc = 0;
641 
642 	if (sc->vlans_added > sc->max_vlans)
643 		goto vlan_promisc;
644 
645 	bzero(&mbx, sizeof(struct oce_mbx));
646 	fwcmd = (struct mbx_common_config_vlan *)&mbx.payload;
647 
648 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
649 				MBX_SUBSYSTEM_COMMON,
650 				OPCODE_COMMON_CONFIG_IFACE_VLAN,
651 				MBX_TIMEOUT_SEC,
652 				sizeof(struct mbx_common_config_vlan),
653 				OCE_MBX_VER_V0);
654 
655 	fwcmd->params.req.if_id = (uint8_t) if_id;
656 	fwcmd->params.req.promisc = (uint8_t) enable_promisc;
657 	fwcmd->params.req.untagged = (uint8_t) untagged;
658 	fwcmd->params.req.num_vlans = vtag_cnt;
659 
660 	if (!enable_promisc) {
661 		bcopy(vtag_arr, fwcmd->params.req.tags.normal_vlans,
662 			vtag_cnt * sizeof(struct normal_vlan));
663 	}
664 	mbx.u0.s.embedded = 1;
665 	mbx.payload_length = sizeof(struct mbx_common_config_vlan);
666 	DW_SWAP(u32ptr(&mbx), (OCE_BMBX_RHDR_SZ + mbx.payload_length));
667 
668 	rc = oce_mbox_post(sc, &mbx, NULL);
669 	if (!rc)
670                 rc = fwcmd->hdr.u0.rsp.status;
671 	if (rc)
672 		device_printf(sc->dev,
673 			      "%s failed - cmd status: %d addi status: %d\n",
674 			      __FUNCTION__, rc,
675 			      fwcmd->hdr.u0.rsp.additional_status);
676 
677 	goto done;
678 
679 vlan_promisc:
680 	/* Enable Vlan Promis */
681 	oce_rxf_set_promiscuous(sc, (1 << 1));
682 	device_printf(sc->dev,"Enabling Vlan Promisc Mode\n");
683 done:
684 	return rc;
685 
686 }
687 
688 /**
689  * @brief Function to set flow control capability in the hardware
690  * @param sc 		software handle to the device
691  * @param flow_control	flow control flags to set
692  * @returns		0 on success, EIO on failure
693  */
694 int
695 oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control)
696 {
697 	struct oce_mbx mbx;
698 	struct mbx_common_get_set_flow_control *fwcmd =
699 		(struct mbx_common_get_set_flow_control *)&mbx.payload;
700 	int rc;
701 
702 	bzero(&mbx, sizeof(struct oce_mbx));
703 
704 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
705 				MBX_SUBSYSTEM_COMMON,
706 				OPCODE_COMMON_SET_FLOW_CONTROL,
707 				MBX_TIMEOUT_SEC,
708 				sizeof(struct mbx_common_get_set_flow_control),
709 				OCE_MBX_VER_V0);
710 
711 	if (flow_control & OCE_FC_TX)
712 		fwcmd->tx_flow_control = 1;
713 
714 	if (flow_control & OCE_FC_RX)
715 		fwcmd->rx_flow_control = 1;
716 
717 	mbx.u0.s.embedded = 1;
718 	mbx.payload_length = sizeof(struct mbx_common_get_set_flow_control);
719 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
720 
721 	rc = oce_mbox_post(sc, &mbx, NULL);
722 	if (!rc)
723                 rc = fwcmd->hdr.u0.rsp.status;
724 	if (rc)
725 		device_printf(sc->dev,
726 			      "%s failed - cmd status: %d addi status: %d\n",
727 			      __FUNCTION__, rc,
728 			      fwcmd->hdr.u0.rsp.additional_status);
729 	return rc;
730 }
731 
732 /**
733  * @brief Initialize the RSS CPU indirection table
734  *
735  * The table is used to choose the queue to place the incomming packets.
736  * Incomming packets are hashed.  The lowest bits in the hash result
737  * are used as the index into the CPU indirection table.
738  * Each entry in the table contains the RSS CPU-ID returned by the NIC
739  * create.  Based on the CPU ID, the receive completion is routed to
740  * the corresponding RSS CQs.  (Non-RSS packets are always completed
741  * on the default (0) CQ).
742  *
743  * @param sc 		software handle to the device
744  * @param *fwcmd	pointer to the rss mbox command
745  * @returns		none
746  */
747 static int
748 oce_rss_itbl_init(POCE_SOFTC sc, struct mbx_config_nic_rss *fwcmd)
749 {
750 	int i = 0, j = 0, rc = 0;
751 	uint8_t *tbl = fwcmd->params.req.cputable;
752 	struct oce_rq *rq = NULL;
753 
754 
755 	for (j = 0; j < INDIRECTION_TABLE_ENTRIES ; j += (sc->nrqs - 1)) {
756 		for_all_rss_queues(sc, rq, i) {
757 			if ((j + i) >= INDIRECTION_TABLE_ENTRIES)
758 				break;
759 			tbl[j + i] = rq->rss_cpuid;
760 		}
761 	}
762 	if (i == 0) {
763 		device_printf(sc->dev, "error: Invalid number of RSS RQ's\n");
764 		rc = ENXIO;
765 
766 	}
767 
768 	/* fill log2 value indicating the size of the CPU table */
769 	if (rc == 0)
770 		fwcmd->params.req.cpu_tbl_sz_log2 = LE_16(OCE_LOG2(i));
771 
772 	return rc;
773 }
774 
775 /**
776  * @brief Function to set flow control capability in the hardware
777  * @param sc 		software handle to the device
778  * @param if_id 	interface id to read the address from
779  * @param enable_rss	0=disable, RSS_ENABLE_xxx flags otherwise
780  * @returns		0 on success, EIO on failure
781  */
782 int
783 oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss)
784 {
785 	int rc;
786 	struct oce_mbx mbx;
787 	struct mbx_config_nic_rss *fwcmd =
788 				(struct mbx_config_nic_rss *)&mbx.payload;
789 	int version;
790 
791 	bzero(&mbx, sizeof(struct oce_mbx));
792 
793 	if (IS_XE201(sc) || IS_SH(sc)) {
794 		version = OCE_MBX_VER_V1;
795 		fwcmd->params.req.enable_rss = RSS_ENABLE_UDP_IPV4 |
796 					       RSS_ENABLE_UDP_IPV6;
797 	} else
798 		version = OCE_MBX_VER_V0;
799 
800 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
801 				MBX_SUBSYSTEM_NIC,
802 				NIC_CONFIG_RSS,
803 				MBX_TIMEOUT_SEC,
804 				sizeof(struct mbx_config_nic_rss),
805 				version);
806 	if (enable_rss)
807 		fwcmd->params.req.enable_rss |= (RSS_ENABLE_IPV4 |
808 					         RSS_ENABLE_TCP_IPV4 |
809 						 RSS_ENABLE_IPV6 |
810 						 RSS_ENABLE_TCP_IPV6);
811 	fwcmd->params.req.flush = OCE_FLUSH;
812 	fwcmd->params.req.if_id = LE_32(if_id);
813 
814 	read_random(fwcmd->params.req.hash, sizeof(fwcmd->params.req.hash));
815 
816 	rc = oce_rss_itbl_init(sc, fwcmd);
817 	if (rc == 0) {
818 		mbx.u0.s.embedded = 1;
819 		mbx.payload_length = sizeof(struct mbx_config_nic_rss);
820 		DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
821 
822 		rc = oce_mbox_post(sc, &mbx, NULL);
823 		if (!rc)
824                 	rc = fwcmd->hdr.u0.rsp.status;
825 		if (rc)
826 		device_printf(sc->dev,
827 			      "%s failed - cmd status: %d addi status: %d\n",
828 			      __FUNCTION__, rc,
829 			      fwcmd->hdr.u0.rsp.additional_status);
830 	}
831 	return rc;
832 }
833 
834 /**
835  * @brief 		RXF function to enable/disable device promiscuous mode
836  * @param sc		software handle to the device
837  * @param enable	enable/disable flag
838  * @returns		0 on success, EIO on failure
839  * @note
840  *	The NIC_CONFIG_PROMISCUOUS command deprecated for Lancer.
841  *	This function uses the COMMON_SET_IFACE_RX_FILTER command instead.
842  */
843 int
844 oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable)
845 {
846 	struct mbx_set_common_iface_rx_filter *fwcmd;
847 	int sz = sizeof(struct mbx_set_common_iface_rx_filter);
848 	iface_rx_filter_ctx_t *req;
849 	OCE_DMA_MEM sgl;
850 	int rc;
851 
852 	/* allocate mbx payload's dma scatter/gather memory */
853 	rc = oce_dma_alloc(sc, sz, &sgl, 0);
854 	if (rc)
855 		return rc;
856 
857 	fwcmd = OCE_DMAPTR(&sgl, struct mbx_set_common_iface_rx_filter);
858 
859 	req =  &fwcmd->params.req;
860 	req->iface_flags_mask = MBX_RX_IFACE_FLAGS_PROMISCUOUS |
861 				MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
862 	/* Bit 0 Mac promisc, Bit 1 Vlan promisc */
863 	if (enable & 0x01)
864 		req->iface_flags = MBX_RX_IFACE_FLAGS_PROMISCUOUS;
865 
866 	if (enable & 0x02)
867 		req->iface_flags = MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
868 
869 	req->if_id = sc->if_id;
870 
871 	rc = oce_set_common_iface_rx_filter(sc, &sgl);
872 	oce_dma_free(sc, &sgl);
873 
874 	return rc;
875 }
876 
877 
878 /**
879  * @brief 			Function modify and select rx filter options
880  * @param sc			software handle to the device
881  * @param sgl			scatter/gather request/response
882  * @returns			0 on success, error code on failure
883  */
884 int
885 oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl)
886 {
887 	struct oce_mbx mbx;
888 	int mbx_sz = sizeof(struct mbx_set_common_iface_rx_filter);
889 	struct mbx_set_common_iface_rx_filter *fwcmd;
890 	int rc;
891 
892 	bzero(&mbx, sizeof(struct oce_mbx));
893 	fwcmd = OCE_DMAPTR(sgl, struct mbx_set_common_iface_rx_filter);
894 
895 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
896 				MBX_SUBSYSTEM_COMMON,
897 				OPCODE_COMMON_SET_IFACE_RX_FILTER,
898 				MBX_TIMEOUT_SEC,
899 				mbx_sz,
900 				OCE_MBX_VER_V0);
901 
902 	oce_dma_sync(sgl, BUS_DMASYNC_PREWRITE);
903 	mbx.u0.s.embedded = 0;
904 	mbx.u0.s.sge_count = 1;
905 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(sgl->paddr);
906 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(sgl->paddr);
907 	mbx.payload.u0.u1.sgl[0].length = mbx_sz;
908 	mbx.payload_length = mbx_sz;
909 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
910 
911 	rc = oce_mbox_post(sc, &mbx, NULL);
912 	if (!rc)
913                 rc = fwcmd->hdr.u0.rsp.status;
914 	if (rc)
915 		device_printf(sc->dev,
916 			      "%s failed - cmd status: %d addi status: %d\n",
917 			      __FUNCTION__, rc,
918 			      fwcmd->hdr.u0.rsp.additional_status);
919 	return rc;
920 }
921 
922 /**
923  * @brief Function to query the link status from the hardware
924  * @param sc 		software handle to the device
925  * @param[out] link	pointer to the structure returning link attributes
926  * @returns		0 on success, EIO on failure
927  */
928 int
929 oce_get_link_status(POCE_SOFTC sc, struct link_status *link)
930 {
931 	struct oce_mbx mbx;
932 	struct mbx_query_common_link_config *fwcmd;
933 	int rc = 0, version;
934 
935 	bzero(&mbx, sizeof(struct oce_mbx));
936 
937 	IS_BE2(sc) ? (version = OCE_MBX_VER_V0) : (version = OCE_MBX_VER_V1);
938 
939 	fwcmd = (struct mbx_query_common_link_config *)&mbx.payload;
940 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
941 				MBX_SUBSYSTEM_COMMON,
942 				OPCODE_COMMON_QUERY_LINK_CONFIG,
943 				MBX_TIMEOUT_SEC,
944 				sizeof(struct mbx_query_common_link_config),
945 				version);
946 
947 	mbx.u0.s.embedded = 1;
948 	mbx.payload_length = sizeof(struct mbx_query_common_link_config);
949 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
950 
951 	rc = oce_mbox_post(sc, &mbx, NULL);
952 
953 	if (!rc)
954                 rc = fwcmd->hdr.u0.rsp.status;
955 	if (rc) {
956 		device_printf(sc->dev,
957 			      "%s failed - cmd status: %d addi status: %d\n",
958 			      __FUNCTION__, rc,
959 			      fwcmd->hdr.u0.rsp.additional_status);
960 		goto error;
961 	}
962 	/* interpret response */
963 	link->qos_link_speed = HOST_16(fwcmd->params.rsp.qos_link_speed);
964 	link->phys_port_speed = fwcmd->params.rsp.physical_port_speed;
965 	link->logical_link_status = fwcmd->params.rsp.logical_link_status;
966 error:
967 	return rc;
968 }
969 
970 
971 
972 int
973 oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem)
974 {
975 	struct oce_mbx mbx;
976 	struct mbx_get_nic_stats_v0 *fwcmd;
977 	int rc = 0;
978 
979 	bzero(&mbx, sizeof(struct oce_mbx));
980 
981 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_nic_stats_v0);
982 	bzero(fwcmd, sizeof(struct mbx_get_nic_stats_v0));
983 
984 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
985 				MBX_SUBSYSTEM_NIC,
986 				NIC_GET_STATS,
987 				MBX_TIMEOUT_SEC,
988 				sizeof(struct mbx_get_nic_stats_v0),
989 				OCE_MBX_VER_V0);
990 
991 	mbx.u0.s.embedded = 0;
992 	mbx.u0.s.sge_count = 1;
993 
994 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
995 
996 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
997 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
998 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_nic_stats_v0);
999 
1000 	mbx.payload_length = sizeof(struct mbx_get_nic_stats_v0);
1001 
1002 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1003 
1004 	rc = oce_mbox_post(sc, &mbx, NULL);
1005 
1006 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1007 
1008 	if (!rc)
1009                 rc = fwcmd->hdr.u0.rsp.status;
1010 	if (rc)
1011 		device_printf(sc->dev,
1012 			      "%s failed - cmd status: %d addi status: %d\n",
1013 			      __FUNCTION__, rc,
1014 			      fwcmd->hdr.u0.rsp.additional_status);
1015 	return rc;
1016 }
1017 
1018 
1019 
1020 /**
1021  * @brief Function to get NIC statistics
1022  * @param sc 		software handle to the device
1023  * @param *stats	pointer to where to store statistics
1024  * @param reset_stats	resets statistics of set
1025  * @returns		0 on success, EIO on failure
1026  * @note		command depricated in Lancer
1027  */
1028 int
1029 oce_mbox_get_nic_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem)
1030 {
1031 	struct oce_mbx mbx;
1032 	struct mbx_get_nic_stats *fwcmd;
1033 	int rc = 0;
1034 
1035 	bzero(&mbx, sizeof(struct oce_mbx));
1036 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_nic_stats);
1037 	bzero(fwcmd, sizeof(struct mbx_get_nic_stats));
1038 
1039 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1040 				MBX_SUBSYSTEM_NIC,
1041 				NIC_GET_STATS,
1042 				MBX_TIMEOUT_SEC,
1043 				sizeof(struct mbx_get_nic_stats),
1044 				OCE_MBX_VER_V1);
1045 
1046 
1047 	mbx.u0.s.embedded = 0;  /* stats too large for embedded mbx rsp */
1048 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1049 
1050 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1051 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1052 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1053 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_nic_stats);
1054 
1055 	mbx.payload_length = sizeof(struct mbx_get_nic_stats);
1056 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1057 
1058 	rc = oce_mbox_post(sc, &mbx, NULL);
1059 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1060 	if (!rc)
1061                 rc = fwcmd->hdr.u0.rsp.status;
1062 	if (rc)
1063 		device_printf(sc->dev,
1064 			      "%s failed - cmd status: %d addi status: %d\n",
1065 			      __FUNCTION__, rc,
1066 			      fwcmd->hdr.u0.rsp.additional_status);
1067 	return rc;
1068 }
1069 
1070 
1071 /**
1072  * @brief Function to get pport (physical port) statistics
1073  * @param sc 		software handle to the device
1074  * @param *stats	pointer to where to store statistics
1075  * @param reset_stats	resets statistics of set
1076  * @returns		0 on success, EIO on failure
1077  */
1078 int
1079 oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1080 				uint32_t reset_stats)
1081 {
1082 	struct oce_mbx mbx;
1083 	struct mbx_get_pport_stats *fwcmd;
1084 	int rc = 0;
1085 
1086 	bzero(&mbx, sizeof(struct oce_mbx));
1087 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_pport_stats);
1088 	bzero(fwcmd, sizeof(struct mbx_get_pport_stats));
1089 
1090 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1091 				MBX_SUBSYSTEM_NIC,
1092 				NIC_GET_PPORT_STATS,
1093 				MBX_TIMEOUT_SEC,
1094 				sizeof(struct mbx_get_pport_stats),
1095 				OCE_MBX_VER_V0);
1096 
1097 	fwcmd->params.req.reset_stats = reset_stats;
1098 	fwcmd->params.req.port_number = sc->port_id;
1099 
1100 	mbx.u0.s.embedded = 0;	/* stats too large for embedded mbx rsp */
1101 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1102 
1103 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1104 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1105 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1106 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_pport_stats);
1107 
1108 	mbx.payload_length = sizeof(struct mbx_get_pport_stats);
1109 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1110 
1111 	rc = oce_mbox_post(sc, &mbx, NULL);
1112 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1113 
1114 	if (!rc)
1115                 rc = fwcmd->hdr.u0.rsp.status;
1116 	if (rc)
1117 		device_printf(sc->dev,
1118 			      "%s failed - cmd status: %d addi status: %d\n",
1119 			      __FUNCTION__, rc,
1120 			      fwcmd->hdr.u0.rsp.additional_status);
1121 	return rc;
1122 }
1123 
1124 
1125 /**
1126  * @brief Function to get vport (virtual port) statistics
1127  * @param sc 		software handle to the device
1128  * @param *stats	pointer to where to store statistics
1129  * @param reset_stats	resets statistics of set
1130  * @returns		0 on success, EIO on failure
1131  */
1132 int
1133 oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1134 				uint32_t req_size, uint32_t reset_stats)
1135 {
1136 	struct oce_mbx mbx;
1137 	struct mbx_get_vport_stats *fwcmd;
1138 	int rc = 0;
1139 
1140 	bzero(&mbx, sizeof(struct oce_mbx));
1141 
1142 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_vport_stats);
1143 	bzero(fwcmd, sizeof(struct mbx_get_vport_stats));
1144 
1145 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1146 				MBX_SUBSYSTEM_NIC,
1147 				NIC_GET_VPORT_STATS,
1148 				MBX_TIMEOUT_SEC,
1149 				sizeof(struct mbx_get_vport_stats),
1150 				OCE_MBX_VER_V0);
1151 
1152 	fwcmd->params.req.reset_stats = reset_stats;
1153 	fwcmd->params.req.vport_number = sc->if_id;
1154 
1155 	mbx.u0.s.embedded = 0;	/* stats too large for embedded mbx rsp */
1156 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1157 
1158 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1159 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1160 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1161 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_vport_stats);
1162 
1163 	mbx.payload_length = sizeof(struct mbx_get_vport_stats);
1164 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1165 
1166 	rc = oce_mbox_post(sc, &mbx, NULL);
1167 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1168 
1169 	if (!rc)
1170                 rc = fwcmd->hdr.u0.rsp.status;
1171 	if (rc)
1172 		device_printf(sc->dev,
1173 			      "%s failed - cmd status: %d addi status: %d\n",
1174 			      __FUNCTION__, rc,
1175 			      fwcmd->hdr.u0.rsp.additional_status);
1176 	return rc;
1177 }
1178 
1179 
1180 /**
1181  * @brief               Function to update the muticast filter with
1182  *                      values in dma_mem
1183  * @param sc            software handle to the device
1184  * @param dma_mem       pointer to dma memory region
1185  * @returns             0 on success, EIO on failure
1186  */
1187 int
1188 oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem)
1189 {
1190 	struct oce_mbx mbx;
1191 	struct oce_mq_sge *sgl;
1192 	struct mbx_set_common_iface_multicast *req = NULL;
1193 	int rc = 0;
1194 
1195 	req = OCE_DMAPTR(pdma_mem, struct mbx_set_common_iface_multicast);
1196 	mbx_common_req_hdr_init(&req->hdr, 0, 0,
1197 				MBX_SUBSYSTEM_COMMON,
1198 				OPCODE_COMMON_SET_IFACE_MULTICAST,
1199 				MBX_TIMEOUT_SEC,
1200 				sizeof(struct mbx_set_common_iface_multicast),
1201 				OCE_MBX_VER_V0);
1202 
1203 	bzero(&mbx, sizeof(struct oce_mbx));
1204 
1205 	mbx.u0.s.embedded = 0; /*Non embeded*/
1206 	mbx.payload_length = sizeof(struct mbx_set_common_iface_multicast);
1207 	mbx.u0.s.sge_count = 1;
1208 	sgl = &mbx.payload.u0.u1.sgl[0];
1209 	sgl->pa_hi = htole32(upper_32_bits(pdma_mem->paddr));
1210 	sgl->pa_lo = htole32((pdma_mem->paddr) & 0xFFFFFFFF);
1211 	sgl->length = htole32(mbx.payload_length);
1212 
1213 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1214 
1215 	rc = oce_mbox_post(sc, &mbx, NULL);
1216 	if (!rc)
1217                 rc = req->hdr.u0.rsp.status;
1218 	if (rc)
1219 		device_printf(sc->dev,
1220 			      "%s failed - cmd status: %d addi status: %d\n",
1221 			      __FUNCTION__, rc,
1222 			      req->hdr.u0.rsp.additional_status);
1223 	return rc;
1224 }
1225 
1226 
1227 /**
1228  * @brief               Function to send passthrough Ioctls
1229  * @param sc            software handle to the device
1230  * @param dma_mem       pointer to dma memory region
1231  * @param req_size      size of dma_mem
1232  * @returns             0 on success, EIO on failure
1233  */
1234 int
1235 oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size)
1236 {
1237 	struct oce_mbx mbx;
1238 	struct oce_mq_sge *sgl;
1239 	int rc = 0;
1240 
1241 	bzero(&mbx, sizeof(struct oce_mbx));
1242 
1243 	mbx.u0.s.embedded  = 0; /*Non embeded*/
1244 	mbx.payload_length = req_size;
1245 	mbx.u0.s.sge_count = 1;
1246 	sgl = &mbx.payload.u0.u1.sgl[0];
1247 	sgl->pa_hi = htole32(upper_32_bits(dma_mem->paddr));
1248 	sgl->pa_lo = htole32((dma_mem->paddr) & 0xFFFFFFFF);
1249 	sgl->length = htole32(req_size);
1250 
1251 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1252 
1253 	rc = oce_mbox_post(sc, &mbx, NULL);
1254 	return rc;
1255 }
1256 
1257 
1258 int
1259 oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1260 		 uint32_t if_id, uint32_t *pmac_id)
1261 {
1262 	struct oce_mbx mbx;
1263 	struct mbx_add_common_iface_mac *fwcmd;
1264 	int rc = 0;
1265 
1266 	bzero(&mbx, sizeof(struct oce_mbx));
1267 
1268 	fwcmd = (struct mbx_add_common_iface_mac *)&mbx.payload;
1269 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1270 				MBX_SUBSYSTEM_COMMON,
1271 				OPCODE_COMMON_ADD_IFACE_MAC,
1272 				MBX_TIMEOUT_SEC,
1273 				sizeof(struct mbx_add_common_iface_mac),
1274 				OCE_MBX_VER_V0);
1275 
1276 	fwcmd->params.req.if_id = (uint16_t) if_id;
1277 	bcopy(mac_addr, fwcmd->params.req.mac_address, 6);
1278 
1279 	mbx.u0.s.embedded = 1;
1280 	mbx.payload_length = sizeof(struct  mbx_add_common_iface_mac);
1281 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1282 	rc = oce_mbox_post(sc, &mbx, NULL);
1283 	if (!rc)
1284                 rc = fwcmd->hdr.u0.rsp.status;
1285 	if (rc) {
1286 		device_printf(sc->dev,
1287 			      "%s failed - cmd status: %d addi status: %d\n",
1288 			      __FUNCTION__, rc,
1289 			      fwcmd->hdr.u0.rsp.additional_status);
1290 		goto error;
1291 	}
1292 	*pmac_id = fwcmd->params.rsp.pmac_id;
1293 error:
1294 	return rc;
1295 }
1296 
1297 
1298 int
1299 oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id)
1300 {
1301 	struct oce_mbx mbx;
1302 	struct mbx_del_common_iface_mac *fwcmd;
1303 	int rc = 0;
1304 
1305 	bzero(&mbx, sizeof(struct oce_mbx));
1306 
1307 	fwcmd = (struct mbx_del_common_iface_mac *)&mbx.payload;
1308 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1309 				MBX_SUBSYSTEM_COMMON,
1310 				OPCODE_COMMON_DEL_IFACE_MAC,
1311 				MBX_TIMEOUT_SEC,
1312 				sizeof(struct mbx_del_common_iface_mac),
1313 				OCE_MBX_VER_V0);
1314 
1315 	fwcmd->params.req.if_id = (uint16_t)if_id;
1316 	fwcmd->params.req.pmac_id = pmac_id;
1317 
1318 	mbx.u0.s.embedded = 1;
1319 	mbx.payload_length = sizeof(struct  mbx_del_common_iface_mac);
1320 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1321 
1322 	rc = oce_mbox_post(sc, &mbx, NULL);
1323 	if (!rc)
1324                 rc = fwcmd->hdr.u0.rsp.status;
1325 	if (rc)
1326 		device_printf(sc->dev,
1327 			      "%s failed - cmd status: %d addi status: %d\n",
1328 			      __FUNCTION__, rc,
1329 			      fwcmd->hdr.u0.rsp.additional_status);
1330 	return rc;
1331 }
1332 
1333 
1334 
1335 int
1336 oce_mbox_check_native_mode(POCE_SOFTC sc)
1337 {
1338 	struct oce_mbx mbx;
1339 	struct mbx_common_set_function_cap *fwcmd;
1340 	int rc = 0;
1341 
1342 	bzero(&mbx, sizeof(struct oce_mbx));
1343 
1344 	fwcmd = (struct mbx_common_set_function_cap *)&mbx.payload;
1345 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1346 				MBX_SUBSYSTEM_COMMON,
1347 				OPCODE_COMMON_SET_FUNCTIONAL_CAPS,
1348 				MBX_TIMEOUT_SEC,
1349 				sizeof(struct mbx_common_set_function_cap),
1350 				OCE_MBX_VER_V0);
1351 
1352 	fwcmd->params.req.valid_capability_flags = CAP_SW_TIMESTAMPS |
1353 							CAP_BE3_NATIVE_ERX_API;
1354 
1355 	fwcmd->params.req.capability_flags = CAP_BE3_NATIVE_ERX_API;
1356 
1357 	mbx.u0.s.embedded = 1;
1358 	mbx.payload_length = sizeof(struct mbx_common_set_function_cap);
1359 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1360 
1361 	rc = oce_mbox_post(sc, &mbx, NULL);
1362 	if (!rc)
1363                 rc = fwcmd->hdr.u0.rsp.status;
1364 	if (rc) {
1365 		device_printf(sc->dev,
1366 			      "%s failed - cmd status: %d addi status: %d\n",
1367 			      __FUNCTION__, rc,
1368 			      fwcmd->hdr.u0.rsp.additional_status);
1369 		goto error;
1370 	}
1371 	sc->be3_native = HOST_32(fwcmd->params.rsp.capability_flags)
1372 			& CAP_BE3_NATIVE_ERX_API;
1373 
1374 error:
1375 	return 0;
1376 }
1377 
1378 
1379 
1380 int
1381 oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1382 		uint8_t loopback_type, uint8_t enable)
1383 {
1384 	struct oce_mbx mbx;
1385 	struct mbx_lowlevel_set_loopback_mode *fwcmd;
1386 	int rc = 0;
1387 
1388 
1389 	bzero(&mbx, sizeof(struct oce_mbx));
1390 
1391 	fwcmd = (struct mbx_lowlevel_set_loopback_mode *)&mbx.payload;
1392 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1393 				MBX_SUBSYSTEM_LOWLEVEL,
1394 				OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
1395 				MBX_TIMEOUT_SEC,
1396 				sizeof(struct mbx_lowlevel_set_loopback_mode),
1397 				OCE_MBX_VER_V0);
1398 
1399 	fwcmd->params.req.src_port = port_num;
1400 	fwcmd->params.req.dest_port = port_num;
1401 	fwcmd->params.req.loopback_type = loopback_type;
1402 	fwcmd->params.req.loopback_state = enable;
1403 
1404 	mbx.u0.s.embedded = 1;
1405 	mbx.payload_length = sizeof(struct  mbx_lowlevel_set_loopback_mode);
1406 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1407 
1408 	rc = oce_mbox_post(sc, &mbx, NULL);
1409 	if (!rc)
1410                 rc = fwcmd->hdr.u0.rsp.status;
1411 	if (rc)
1412 		device_printf(sc->dev,
1413 			      "%s failed - cmd status: %d addi status: %d\n",
1414 			      __FUNCTION__, rc,
1415 			      fwcmd->hdr.u0.rsp.additional_status);
1416 
1417 	return rc;
1418 
1419 }
1420 
1421 int
1422 oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1423 	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1424 	uint64_t pattern)
1425 {
1426 
1427 	struct oce_mbx mbx;
1428 	struct mbx_lowlevel_test_loopback_mode *fwcmd;
1429 	int rc = 0;
1430 
1431 
1432 	bzero(&mbx, sizeof(struct oce_mbx));
1433 
1434 	fwcmd = (struct mbx_lowlevel_test_loopback_mode *)&mbx.payload;
1435 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1436 				MBX_SUBSYSTEM_LOWLEVEL,
1437 				OPCODE_LOWLEVEL_TEST_LOOPBACK,
1438 				MBX_TIMEOUT_SEC,
1439 				sizeof(struct mbx_lowlevel_test_loopback_mode),
1440 				OCE_MBX_VER_V0);
1441 
1442 	fwcmd->params.req.pattern = pattern;
1443 	fwcmd->params.req.src_port = port_num;
1444 	fwcmd->params.req.dest_port = port_num;
1445 	fwcmd->params.req.pkt_size = pkt_size;
1446 	fwcmd->params.req.num_pkts = num_pkts;
1447 	fwcmd->params.req.loopback_type = loopback_type;
1448 
1449 	mbx.u0.s.embedded = 1;
1450 	mbx.payload_length = sizeof(struct  mbx_lowlevel_test_loopback_mode);
1451 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1452 
1453 	rc = oce_mbox_post(sc, &mbx, NULL);
1454 	if (!rc)
1455                 rc = fwcmd->hdr.u0.rsp.status;
1456 	if (rc)
1457 		device_printf(sc->dev,
1458 			      "%s failed - cmd status: %d addi status: %d\n",
1459 			      __FUNCTION__, rc,
1460 			      fwcmd->hdr.u0.rsp.additional_status);
1461 
1462 	return rc;
1463 }
1464 
1465 int
1466 oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1467 				POCE_DMA_MEM pdma_mem, uint32_t num_bytes)
1468 {
1469 
1470 	struct oce_mbx mbx;
1471 	struct oce_mq_sge *sgl = NULL;
1472 	struct mbx_common_read_write_flashrom *fwcmd = NULL;
1473 	int rc = 0, payload_len = 0;
1474 
1475 	bzero(&mbx, sizeof(struct oce_mbx));
1476 	fwcmd = OCE_DMAPTR(pdma_mem, struct mbx_common_read_write_flashrom);
1477 	payload_len = sizeof(struct mbx_common_read_write_flashrom) + 32*1024;
1478 
1479 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1480 				MBX_SUBSYSTEM_COMMON,
1481 				OPCODE_COMMON_WRITE_FLASHROM,
1482 				LONG_TIMEOUT,
1483 				payload_len,
1484 				OCE_MBX_VER_V0);
1485 
1486 	fwcmd->flash_op_type = LE_32(optype);
1487 	fwcmd->flash_op_code = LE_32(opcode);
1488 	fwcmd->data_buffer_size = LE_32(num_bytes);
1489 
1490 	mbx.u0.s.embedded  = 0; /*Non embeded*/
1491 	mbx.payload_length = payload_len;
1492 	mbx.u0.s.sge_count = 1;
1493 
1494 	sgl = &mbx.payload.u0.u1.sgl[0];
1495 	sgl->pa_hi = upper_32_bits(pdma_mem->paddr);
1496 	sgl->pa_lo = pdma_mem->paddr & 0xFFFFFFFF;
1497 	sgl->length = payload_len;
1498 
1499 	/* post the command */
1500 	rc = oce_mbox_post(sc, &mbx, NULL);
1501 	if (!rc)
1502                 rc = fwcmd->hdr.u0.rsp.status;
1503 	if (rc)
1504 		device_printf(sc->dev,
1505 			      "%s failed - cmd status: %d addi status: %d\n",
1506 			      __FUNCTION__, rc,
1507 			      fwcmd->hdr.u0.rsp.additional_status);
1508 
1509 	return rc;
1510 
1511 }
1512 
1513 int
1514 oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1515 				uint32_t offset, uint32_t optype)
1516 {
1517 
1518 	int rc = 0, payload_len = 0;
1519 	struct oce_mbx mbx;
1520 	struct mbx_common_read_write_flashrom *fwcmd;
1521 
1522 	bzero(&mbx, sizeof(struct oce_mbx));
1523 
1524 	fwcmd = (struct mbx_common_read_write_flashrom *)&mbx.payload;
1525 
1526 	/* Firmware requires extra 4 bytes with this ioctl. Since there
1527 	   is enough room in the mbx payload it should be good enough
1528 	   Reference: Bug 14853
1529 	*/
1530 	payload_len = sizeof(struct mbx_common_read_write_flashrom) + 4;
1531 
1532 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1533 				MBX_SUBSYSTEM_COMMON,
1534 				OPCODE_COMMON_READ_FLASHROM,
1535 				MBX_TIMEOUT_SEC,
1536 				payload_len,
1537 				OCE_MBX_VER_V0);
1538 
1539 	fwcmd->flash_op_type = optype;
1540 	fwcmd->flash_op_code = FLASHROM_OPER_REPORT;
1541 	fwcmd->data_offset = offset;
1542 	fwcmd->data_buffer_size = 0x4;
1543 
1544 	mbx.u0.s.embedded  = 1;
1545 	mbx.payload_length = payload_len;
1546 
1547 	/* post the command */
1548 	rc = oce_mbox_post(sc, &mbx, NULL);
1549 	if (!rc)
1550                 rc = fwcmd->hdr.u0.rsp.status;
1551 	if (rc) {
1552 		device_printf(sc->dev,
1553 			      "%s failed - cmd status: %d addi status: %d\n",
1554 			      __FUNCTION__, rc,
1555 			      fwcmd->hdr.u0.rsp.additional_status);
1556 		goto error;
1557 	}
1558 	bcopy(fwcmd->data_buffer, flash_crc, 4);
1559 error:
1560 	return rc;
1561 }
1562 
1563 int
1564 oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info)
1565 {
1566 
1567 	struct oce_mbx mbx;
1568 	struct mbx_common_phy_info *fwcmd;
1569 	int rc = 0;
1570 
1571 	bzero(&mbx, sizeof(struct oce_mbx));
1572 
1573 	fwcmd = (struct mbx_common_phy_info *)&mbx.payload;
1574 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1575 				MBX_SUBSYSTEM_COMMON,
1576 				OPCODE_COMMON_GET_PHY_CONFIG,
1577 				MBX_TIMEOUT_SEC,
1578 				sizeof(struct mbx_common_phy_info),
1579 				OCE_MBX_VER_V0);
1580 
1581 	mbx.u0.s.embedded = 1;
1582 	mbx.payload_length = sizeof(struct  mbx_common_phy_info);
1583 
1584 	/* now post the command */
1585 	rc = oce_mbox_post(sc, &mbx, NULL);
1586 	if (!rc)
1587                 rc = fwcmd->hdr.u0.rsp.status;
1588 	if (rc) {
1589 		device_printf(sc->dev,
1590 			      "%s failed - cmd status: %d addi status: %d\n",
1591 			      __FUNCTION__, rc,
1592 			      fwcmd->hdr.u0.rsp.additional_status);
1593 		goto error;
1594 	}
1595 	phy_info->phy_type = HOST_16(fwcmd->params.rsp.phy_info.phy_type);
1596 	phy_info->interface_type =
1597 			HOST_16(fwcmd->params.rsp.phy_info.interface_type);
1598 	phy_info->auto_speeds_supported =
1599 		HOST_16(fwcmd->params.rsp.phy_info.auto_speeds_supported);
1600 	phy_info->fixed_speeds_supported =
1601 		HOST_16(fwcmd->params.rsp.phy_info.fixed_speeds_supported);
1602 	phy_info->misc_params = HOST_32(fwcmd->params.rsp.phy_info.misc_params);
1603 error:
1604 	return rc;
1605 
1606 }
1607 
1608 
1609 int
1610 oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1611 			uint32_t data_offset, POCE_DMA_MEM pdma_mem,
1612 			uint32_t *written_data, uint32_t *additional_status)
1613 {
1614 
1615 	struct oce_mbx mbx;
1616 	struct mbx_lancer_common_write_object *fwcmd = NULL;
1617 	int rc = 0, payload_len = 0;
1618 
1619 	bzero(&mbx, sizeof(struct oce_mbx));
1620 	payload_len = sizeof(struct mbx_lancer_common_write_object);
1621 
1622 	mbx.u0.s.embedded  = 1;/* Embedded */
1623 	mbx.payload_length = payload_len;
1624 	fwcmd = (struct mbx_lancer_common_write_object *)&mbx.payload;
1625 
1626 	/* initialize the ioctl header */
1627 	mbx_common_req_hdr_init(&fwcmd->params.req.hdr, 0, 0,
1628 				MBX_SUBSYSTEM_COMMON,
1629 				OPCODE_COMMON_WRITE_OBJECT,
1630 				LONG_TIMEOUT,
1631 				payload_len,
1632 				OCE_MBX_VER_V0);
1633 
1634 	fwcmd->params.req.write_length = data_size;
1635 	if (data_size == 0)
1636 		fwcmd->params.req.eof = 1;
1637 	else
1638 		fwcmd->params.req.eof = 0;
1639 
1640 	strcpy(fwcmd->params.req.object_name, "/prg");
1641 	fwcmd->params.req.descriptor_count = 1;
1642 	fwcmd->params.req.write_offset = data_offset;
1643 	fwcmd->params.req.buffer_length = data_size;
1644 	fwcmd->params.req.address_lower = pdma_mem->paddr & 0xFFFFFFFF;
1645 	fwcmd->params.req.address_upper = upper_32_bits(pdma_mem->paddr);
1646 
1647 	/* post the command */
1648 	rc = oce_mbox_post(sc, &mbx, NULL);
1649 	if (!rc)
1650                 rc = fwcmd->params.rsp.status;
1651 	if (rc) {
1652 		device_printf(sc->dev,
1653 			      "%s failed - cmd status: %d addi status: %d\n",
1654 			      __FUNCTION__, rc,
1655 			      fwcmd->params.rsp.additional_status);
1656 		goto error;
1657 	}
1658 	*written_data = HOST_32(fwcmd->params.rsp.actual_write_length);
1659 	*additional_status = fwcmd->params.rsp.additional_status;
1660 error:
1661 	return rc;
1662 
1663 }
1664 
1665 
1666 
1667 int
1668 oce_mbox_create_rq(struct oce_rq *rq)
1669 {
1670 
1671 	struct oce_mbx mbx;
1672 	struct mbx_create_nic_rq *fwcmd;
1673 	POCE_SOFTC sc = rq->parent;
1674 	int rc, num_pages = 0;
1675 
1676 	if (rq->qstate == QCREATED)
1677 		return 0;
1678 
1679 	bzero(&mbx, sizeof(struct oce_mbx));
1680 
1681 	fwcmd = (struct mbx_create_nic_rq *)&mbx.payload;
1682 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1683 				MBX_SUBSYSTEM_NIC,
1684 				NIC_CREATE_RQ, MBX_TIMEOUT_SEC,
1685 				sizeof(struct mbx_create_nic_rq),
1686 				OCE_MBX_VER_V0);
1687 
1688 	/* oce_page_list will also prepare pages */
1689 	num_pages = oce_page_list(rq->ring, &fwcmd->params.req.pages[0]);
1690 
1691 	if (IS_XE201(sc)) {
1692 		fwcmd->params.req.frag_size = rq->cfg.frag_size/2048;
1693 		fwcmd->params.req.page_size = 1;
1694 		fwcmd->hdr.u0.req.version = OCE_MBX_VER_V1;
1695 	} else
1696 		fwcmd->params.req.frag_size = OCE_LOG2(rq->cfg.frag_size);
1697 	fwcmd->params.req.num_pages = num_pages;
1698 	fwcmd->params.req.cq_id = rq->cq->cq_id;
1699 	fwcmd->params.req.if_id = sc->if_id;
1700 	fwcmd->params.req.max_frame_size = rq->cfg.mtu;
1701 	fwcmd->params.req.is_rss_queue = rq->cfg.is_rss_queue;
1702 
1703 	mbx.u0.s.embedded = 1;
1704 	mbx.payload_length = sizeof(struct mbx_create_nic_rq);
1705 
1706 	rc = oce_mbox_post(sc, &mbx, NULL);
1707 	if (!rc)
1708                 rc = fwcmd->hdr.u0.rsp.status;
1709 	if (rc) {
1710 		device_printf(sc->dev,
1711 			      "%s failed - cmd status: %d addi status: %d\n",
1712 			      __FUNCTION__, rc,
1713 			      fwcmd->hdr.u0.rsp.additional_status);
1714 		goto error;
1715 	}
1716 	rq->rq_id = HOST_16(fwcmd->params.rsp.rq_id);
1717 	rq->rss_cpuid = fwcmd->params.rsp.rss_cpuid;
1718 error:
1719 	return rc;
1720 
1721 }
1722 
1723 
1724 
1725 int
1726 oce_mbox_create_wq(struct oce_wq *wq)
1727 {
1728 	struct oce_mbx mbx;
1729 	struct mbx_create_nic_wq *fwcmd;
1730 	POCE_SOFTC sc = wq->parent;
1731 	int rc = 0, version, num_pages;
1732 
1733 	bzero(&mbx, sizeof(struct oce_mbx));
1734 
1735 	fwcmd = (struct mbx_create_nic_wq *)&mbx.payload;
1736 	if (IS_XE201(sc))
1737 		version = OCE_MBX_VER_V1;
1738 	else if(IS_BE(sc))
1739 		IS_PROFILE_SUPER_NIC(sc) ? (version = OCE_MBX_VER_V2)
1740 					 : (version = OCE_MBX_VER_V0);
1741 	else
1742 		version = OCE_MBX_VER_V2;
1743 
1744 	if (version > OCE_MBX_VER_V0)
1745 		fwcmd->params.req.if_id = sc->if_id;
1746 
1747 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1748 				MBX_SUBSYSTEM_NIC,
1749 				NIC_CREATE_WQ, MBX_TIMEOUT_SEC,
1750 				sizeof(struct mbx_create_nic_wq),
1751 				version);
1752 
1753 	num_pages = oce_page_list(wq->ring, &fwcmd->params.req.pages[0]);
1754 
1755 	fwcmd->params.req.nic_wq_type = wq->cfg.wq_type;
1756 	fwcmd->params.req.num_pages = num_pages;
1757 	fwcmd->params.req.wq_size = OCE_LOG2(wq->cfg.q_len) + 1;
1758 	fwcmd->params.req.cq_id = wq->cq->cq_id;
1759 	fwcmd->params.req.ulp_num = 1;
1760 
1761 	mbx.u0.s.embedded = 1;
1762 	mbx.payload_length = sizeof(struct mbx_create_nic_wq);
1763 
1764 	rc = oce_mbox_post(sc, &mbx, NULL);
1765 	if (!rc)
1766                 rc = fwcmd->hdr.u0.rsp.status;
1767 	if (rc) {
1768 		device_printf(sc->dev,
1769 			      "%s failed - cmd status: %d addi status: %d\n",
1770 			      __FUNCTION__, rc,
1771 			      fwcmd->hdr.u0.rsp.additional_status);
1772 		goto error;
1773 	}
1774 	wq->wq_id = HOST_16(fwcmd->params.rsp.wq_id);
1775 	if (version == OCE_MBX_VER_V2)
1776 		wq->db_offset = HOST_32(fwcmd->params.rsp.db_offset);
1777 	else
1778 		wq->db_offset = PD_TXULP_DB;
1779 error:
1780 	return rc;
1781 
1782 }
1783 
1784 
1785 
1786 int
1787 oce_mbox_create_eq(struct oce_eq *eq)
1788 {
1789 	struct oce_mbx mbx;
1790 	struct mbx_create_common_eq *fwcmd;
1791 	POCE_SOFTC sc = eq->parent;
1792 	int rc = 0;
1793 	uint32_t num_pages;
1794 
1795 	bzero(&mbx, sizeof(struct oce_mbx));
1796 
1797 	fwcmd = (struct mbx_create_common_eq *)&mbx.payload;
1798 
1799 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1800 				MBX_SUBSYSTEM_COMMON,
1801 				OPCODE_COMMON_CREATE_EQ, MBX_TIMEOUT_SEC,
1802 				sizeof(struct mbx_create_common_eq),
1803 				OCE_MBX_VER_V0);
1804 
1805 	num_pages = oce_page_list(eq->ring, &fwcmd->params.req.pages[0]);
1806 	fwcmd->params.req.ctx.num_pages = num_pages;
1807 	fwcmd->params.req.ctx.valid = 1;
1808 	fwcmd->params.req.ctx.size = (eq->eq_cfg.item_size == 4) ? 0 : 1;
1809 	fwcmd->params.req.ctx.count = OCE_LOG2(eq->eq_cfg.q_len / 256);
1810 	fwcmd->params.req.ctx.armed = 0;
1811 	fwcmd->params.req.ctx.delay_mult = eq->eq_cfg.cur_eqd;
1812 
1813 
1814 	mbx.u0.s.embedded = 1;
1815 	mbx.payload_length = sizeof(struct mbx_create_common_eq);
1816 
1817 	rc = oce_mbox_post(sc, &mbx, NULL);
1818 	if (!rc)
1819                 rc = fwcmd->hdr.u0.rsp.status;
1820 	if (rc) {
1821 		device_printf(sc->dev,
1822 			      "%s failed - cmd status: %d addi status: %d\n",
1823 			      __FUNCTION__, rc,
1824 			      fwcmd->hdr.u0.rsp.additional_status);
1825 		goto error;
1826 	}
1827 	eq->eq_id = HOST_16(fwcmd->params.rsp.eq_id);
1828 error:
1829 	return rc;
1830 }
1831 
1832 
1833 
1834 int
1835 oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce, uint32_t is_eventable)
1836 {
1837 	struct oce_mbx mbx;
1838 	struct mbx_create_common_cq *fwcmd;
1839 	POCE_SOFTC sc = cq->parent;
1840 	uint8_t version;
1841 	oce_cq_ctx_t *ctx;
1842 	uint32_t num_pages, page_size;
1843 	int rc = 0;
1844 
1845 
1846 	bzero(&mbx, sizeof(struct oce_mbx));
1847 
1848 	fwcmd = (struct mbx_create_common_cq *)&mbx.payload;
1849 
1850 	if (IS_XE201(sc))
1851 		version = OCE_MBX_VER_V2;
1852 	else
1853 		version = OCE_MBX_VER_V0;
1854 
1855 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1856 				MBX_SUBSYSTEM_COMMON,
1857 				OPCODE_COMMON_CREATE_CQ,
1858 				MBX_TIMEOUT_SEC,
1859 				sizeof(struct mbx_create_common_cq),
1860 				version);
1861 
1862 	ctx = &fwcmd->params.req.cq_ctx;
1863 
1864 	num_pages = oce_page_list(cq->ring, &fwcmd->params.req.pages[0]);
1865 	page_size =  1;  /* 1 for 4K */
1866 
1867 	if (version == OCE_MBX_VER_V2) {
1868 		ctx->v2.num_pages = LE_16(num_pages);
1869 		ctx->v2.page_size = page_size;
1870 		ctx->v2.eventable = is_eventable;
1871 		ctx->v2.valid = 1;
1872 		ctx->v2.count = OCE_LOG2(cq->cq_cfg.q_len / 256);
1873 		ctx->v2.nodelay = cq->cq_cfg.nodelay;
1874 		ctx->v2.coalesce_wm = ncoalesce;
1875 		ctx->v2.armed = 0;
1876 		ctx->v2.eq_id = cq->eq->eq_id;
1877 		if (ctx->v2.count == 3) {
1878 			if ((u_int)cq->cq_cfg.q_len > (4*1024)-1)
1879 				ctx->v2.cqe_count = (4*1024)-1;
1880 			else
1881 				ctx->v2.cqe_count = cq->cq_cfg.q_len;
1882 		}
1883 	} else {
1884 		ctx->v0.num_pages = LE_16(num_pages);
1885 		ctx->v0.eventable = is_eventable;
1886 		ctx->v0.valid = 1;
1887 		ctx->v0.count = OCE_LOG2(cq->cq_cfg.q_len / 256);
1888 		ctx->v0.nodelay = cq->cq_cfg.nodelay;
1889 		ctx->v0.coalesce_wm = ncoalesce;
1890 		ctx->v0.armed = 0;
1891 		ctx->v0.eq_id = cq->eq->eq_id;
1892 	}
1893 
1894 	mbx.u0.s.embedded = 1;
1895 	mbx.payload_length = sizeof(struct mbx_create_common_cq);
1896 
1897 	rc = oce_mbox_post(sc, &mbx, NULL);
1898 	if (!rc)
1899                 rc = fwcmd->hdr.u0.rsp.status;
1900 	if (rc) {
1901 		device_printf(sc->dev,
1902 			      "%s failed - cmd status: %d addi status: %d\n",
1903 			      __FUNCTION__, rc,
1904 			      fwcmd->hdr.u0.rsp.additional_status);
1905 		goto error;
1906 	}
1907 	cq->cq_id = HOST_16(fwcmd->params.rsp.cq_id);
1908 error:
1909 	return rc;
1910 
1911 }
1912 
1913 int
1914 oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num)
1915 {
1916 	int rc = 0;
1917 	struct oce_mbx mbx;
1918 	struct mbx_read_common_transrecv_data *fwcmd;
1919 	struct oce_mq_sge *sgl;
1920 	OCE_DMA_MEM dma;
1921 
1922 	/* Allocate DMA mem*/
1923 	if (oce_dma_alloc(sc, sizeof(struct mbx_read_common_transrecv_data),
1924 				&dma, 0))
1925 		return ENOMEM;
1926 
1927 	fwcmd = OCE_DMAPTR(&dma, struct mbx_read_common_transrecv_data);
1928 	bzero(fwcmd, sizeof(struct mbx_read_common_transrecv_data));
1929 
1930 	bzero(&mbx, sizeof(struct oce_mbx));
1931 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1932 			MBX_SUBSYSTEM_COMMON,
1933 			OPCODE_COMMON_READ_TRANSRECEIVER_DATA,
1934 			MBX_TIMEOUT_SEC,
1935 			sizeof(struct mbx_read_common_transrecv_data),
1936 			OCE_MBX_VER_V0);
1937 
1938 	/* fill rest of mbx */
1939 	mbx.u0.s.embedded = 0;
1940 	mbx.payload_length = sizeof(struct mbx_read_common_transrecv_data);
1941 	mbx.u0.s.sge_count = 1;
1942 	sgl = &mbx.payload.u0.u1.sgl[0];
1943 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
1944 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
1945 	sgl->length = htole32(mbx.payload_length);
1946 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1947 
1948 	fwcmd->params.req.port = LE_32(sc->port_id);
1949 	fwcmd->params.req.page_num = LE_32(page_num);
1950 
1951 	/* command post */
1952 	rc = oce_mbox_post(sc, &mbx, NULL);
1953 	if (!rc)
1954 		rc = fwcmd->hdr.u0.rsp.status;
1955 	if (rc) {
1956 		device_printf(sc->dev,
1957 			      "%s failed - cmd status: %d addi status: %d\n",
1958 			      __FUNCTION__, rc,
1959 			      fwcmd->hdr.u0.rsp.additional_status);
1960 		goto error;
1961 	}
1962 	if(fwcmd->params.rsp.page_num == PAGE_NUM_A0)
1963 	{
1964 		bcopy((char *)fwcmd->params.rsp.page_data,
1965 				(char *)&sfp_vpd_dump_buffer[0],
1966 				TRANSCEIVER_A0_SIZE);
1967 	}
1968 
1969 	if(fwcmd->params.rsp.page_num == PAGE_NUM_A2)
1970 	{
1971 		bcopy((char *)fwcmd->params.rsp.page_data,
1972 				(char *)&sfp_vpd_dump_buffer[32],
1973 				TRANSCEIVER_A2_SIZE);
1974 	}
1975 error:
1976 	oce_dma_free(sc, &dma);
1977 	return rc;
1978 }
1979 
1980 void
1981 oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1982 				int num)
1983 {
1984 	struct oce_mbx mbx;
1985 	struct mbx_modify_common_eq_delay *fwcmd;
1986 	int rc = 0;
1987 	int i = 0;
1988 
1989 	bzero(&mbx, sizeof(struct oce_mbx));
1990 
1991 	/* Initialize MODIFY_EQ_DELAY ioctl header */
1992 	fwcmd = (struct mbx_modify_common_eq_delay *)&mbx.payload;
1993 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1994 				MBX_SUBSYSTEM_COMMON,
1995 				OPCODE_COMMON_MODIFY_EQ_DELAY,
1996 				MBX_TIMEOUT_SEC,
1997 				sizeof(struct mbx_modify_common_eq_delay),
1998 				OCE_MBX_VER_V0);
1999 	/* fill rest of mbx */
2000 	mbx.u0.s.embedded = 1;
2001 	mbx.payload_length = sizeof(struct mbx_modify_common_eq_delay);
2002 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2003 
2004 	fwcmd->params.req.num_eq = num;
2005 	for (i = 0; i < num; i++) {
2006 		fwcmd->params.req.delay[i].eq_id =
2007 					htole32(set_eqd[i].eq_id);
2008 		fwcmd->params.req.delay[i].phase = 0;
2009 		fwcmd->params.req.delay[i].dm =
2010 		htole32(set_eqd[i].delay_multiplier);
2011 	}
2012 
2013 
2014 	/* command post */
2015 	rc = oce_mbox_post(sc, &mbx, NULL);
2016 
2017 	if (!rc)
2018 		rc = fwcmd->hdr.u0.rsp.status;
2019 	if (rc)
2020 		device_printf(sc->dev,
2021 			      "%s failed - cmd status: %d addi status: %d\n",
2022 			      __FUNCTION__, rc,
2023 			      fwcmd->hdr.u0.rsp.additional_status);
2024 }
2025 
2026 int
2027 oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss)
2028 {
2029 	struct oce_mbx mbx;
2030 	struct mbx_common_get_profile_config *fwcmd;
2031 	int rc = 0;
2032 	int version = 0;
2033 	struct oce_mq_sge *sgl;
2034 	OCE_DMA_MEM dma;
2035 	uint32_t desc_count = 0;
2036 	struct oce_nic_resc_desc *nic_desc = NULL;
2037 	int i;
2038 	boolean_t nic_desc_valid = FALSE;
2039 
2040 	if (IS_BE2(sc))
2041 		return -1;
2042 
2043 	/* Allocate DMA mem*/
2044 	if (oce_dma_alloc(sc, sizeof(struct mbx_common_get_profile_config),
2045 			  &dma, 0))
2046 		return ENOMEM;
2047 
2048 	/* Initialize MODIFY_EQ_DELAY ioctl header */
2049 	fwcmd = OCE_DMAPTR(&dma, struct mbx_common_get_profile_config);
2050 	bzero(fwcmd, sizeof(struct mbx_common_get_profile_config));
2051 
2052 	if (!IS_XE201(sc))
2053 		version = OCE_MBX_VER_V1;
2054 	else
2055 		version = OCE_MBX_VER_V0;
2056 
2057 	bzero(&mbx, sizeof(struct oce_mbx));
2058 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2059 				MBX_SUBSYSTEM_COMMON,
2060 				OPCODE_COMMON_GET_PROFILE_CONFIG,
2061 				MBX_TIMEOUT_SEC,
2062 				sizeof(struct mbx_common_get_profile_config),
2063 				version);
2064 	/* fill rest of mbx */
2065 	mbx.u0.s.embedded = 0;
2066 	mbx.payload_length = sizeof(struct mbx_common_get_profile_config);
2067 	mbx.u0.s.sge_count = 1;
2068 	sgl = &mbx.payload.u0.u1.sgl[0];
2069 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
2070 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
2071 	sgl->length = htole32(mbx.payload_length);
2072 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2073 
2074 	fwcmd->params.req.type = ACTIVE_PROFILE;
2075 
2076 	/* command post */
2077 	rc = oce_mbox_post(sc, &mbx, NULL);
2078 	if (!rc)
2079 		rc = fwcmd->hdr.u0.rsp.status;
2080 	if (rc) {
2081 		device_printf(sc->dev,
2082 			      "%s failed - cmd status: %d addi status: %d\n",
2083 			      __FUNCTION__, rc,
2084 			      fwcmd->hdr.u0.rsp.additional_status);
2085 		goto error;
2086 	}
2087 
2088 	nic_desc = (struct oce_nic_resc_desc *) fwcmd->params.rsp.resources;
2089 	desc_count = HOST_32(fwcmd->params.rsp.desc_count);
2090 	for (i = 0; i < desc_count; i++) {
2091 		if ((nic_desc->desc_type == NIC_RESC_DESC_TYPE_V0) ||
2092 		    (nic_desc->desc_type == NIC_RESC_DESC_TYPE_V1)) {
2093 			nic_desc_valid = TRUE;
2094 			break;
2095 		}
2096 		nic_desc = (struct oce_nic_resc_desc *) \
2097 				((char *)nic_desc + nic_desc->desc_len);
2098 	}
2099 	if (!nic_desc_valid) {
2100 		rc = -1;
2101 		goto error;
2102 	}
2103 	else {
2104 		sc->max_vlans = HOST_16(nic_desc->vlan_count);
2105 		sc->nwqs = HOST_16(nic_desc->txq_count);
2106 		if (sc->nwqs)
2107 			sc->nwqs = MIN(sc->nwqs, OCE_MAX_WQ);
2108 		else
2109 			sc->nwqs = OCE_MAX_WQ;
2110 
2111 		sc->nrssqs = HOST_16(nic_desc->rssq_count);
2112 		if (sc->nrssqs)
2113 			sc->nrssqs = MIN(sc->nrssqs, max_rss);
2114 		else
2115 			sc->nrssqs = max_rss;
2116 		sc->nrqs =  sc->nrssqs + 1; /* 1 for def RX */;
2117 
2118 	}
2119 error:
2120 	oce_dma_free(sc, &dma);
2121 	return rc;
2122 
2123 }
2124 
2125 int
2126 oce_get_func_config(POCE_SOFTC sc)
2127 {
2128 	struct oce_mbx mbx;
2129 	struct mbx_common_get_func_config *fwcmd;
2130 	int rc = 0;
2131 	int version = 0;
2132 	struct oce_mq_sge *sgl;
2133 	OCE_DMA_MEM dma;
2134 	uint32_t desc_count = 0;
2135 	struct oce_nic_resc_desc *nic_desc = NULL;
2136 	int i;
2137 	boolean_t nic_desc_valid = FALSE;
2138 	uint32_t max_rss = 0;
2139 
2140 	if ((IS_BE(sc) || IS_SH(sc)) && (!sc->be3_native))
2141 		max_rss = OCE_LEGACY_MODE_RSS;
2142 	else
2143 		max_rss = OCE_MAX_RSS;
2144 
2145 	/* Allocate DMA mem*/
2146 	if (oce_dma_alloc(sc, sizeof(struct mbx_common_get_func_config),
2147 			  &dma, 0))
2148 		return ENOMEM;
2149 
2150 	/* Initialize MODIFY_EQ_DELAY ioctl header */
2151 	fwcmd = OCE_DMAPTR(&dma, struct mbx_common_get_func_config);
2152 	bzero(fwcmd, sizeof(struct mbx_common_get_func_config));
2153 
2154 	if (IS_SH(sc))
2155 		version = OCE_MBX_VER_V1;
2156 	else
2157 		version = OCE_MBX_VER_V0;
2158 
2159 	bzero(&mbx, sizeof(struct oce_mbx));
2160 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2161 				MBX_SUBSYSTEM_COMMON,
2162 				OPCODE_COMMON_GET_FUNCTION_CONFIG,
2163 				MBX_TIMEOUT_SEC,
2164 				sizeof(struct mbx_common_get_func_config),
2165 				version);
2166 	/* fill rest of mbx */
2167 	mbx.u0.s.embedded = 0;
2168 	mbx.payload_length = sizeof(struct mbx_common_get_func_config);
2169 	mbx.u0.s.sge_count = 1;
2170 	sgl = &mbx.payload.u0.u1.sgl[0];
2171 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
2172 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
2173 	sgl->length = htole32(mbx.payload_length);
2174 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2175 
2176 	/* command post */
2177 	rc = oce_mbox_post(sc, &mbx, NULL);
2178 	if (!rc)
2179 		rc = fwcmd->hdr.u0.rsp.status;
2180 	if (rc) {
2181 		device_printf(sc->dev,
2182 			      "%s failed - cmd status: %d addi status: %d\n",
2183 			      __FUNCTION__, rc,
2184 			      fwcmd->hdr.u0.rsp.additional_status);
2185 		goto error;
2186 	}
2187 
2188 	nic_desc = (struct oce_nic_resc_desc *) fwcmd->params.rsp.resources;
2189 	desc_count = HOST_32(fwcmd->params.rsp.desc_count);
2190 	for (i = 0; i < desc_count; i++) {
2191 		if ((nic_desc->desc_type == NIC_RESC_DESC_TYPE_V0) ||
2192 		    (nic_desc->desc_type == NIC_RESC_DESC_TYPE_V1)) {
2193 			nic_desc_valid = TRUE;
2194 			break;
2195 		}
2196 		nic_desc = (struct oce_nic_resc_desc *) \
2197 				((char *)nic_desc + nic_desc->desc_len);
2198 	}
2199 	if (!nic_desc_valid) {
2200 		rc = -1;
2201 		goto error;
2202 	}
2203 	else {
2204 		sc->max_vlans = nic_desc->vlan_count;
2205 		sc->nwqs = HOST_32(nic_desc->txq_count);
2206                 if (sc->nwqs)
2207                         sc->nwqs = MIN(sc->nwqs, OCE_MAX_WQ);
2208                 else
2209                         sc->nwqs = OCE_MAX_WQ;
2210 
2211 		sc->nrssqs = HOST_32(nic_desc->rssq_count);
2212 		if (sc->nrssqs)
2213 			sc->nrssqs = MIN(sc->nrssqs, max_rss);
2214 		else
2215 			sc->nrssqs = max_rss;
2216 		sc->nrqs =  sc->nrssqs + 1; /* 1 for def RX */;
2217 	}
2218 error:
2219 	oce_dma_free(sc, &dma);
2220 	return rc;
2221 
2222 }
2223