xref: /freebsd/sys/dev/oce/oce_mbox.c (revision 09d325677d53a12c79a43664ff29871e92247629)
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 	srandom(arc4random());	/* random entropy seed */
815 	read_random(fwcmd->params.req.hash, sizeof(fwcmd->params.req.hash));
816 
817 	rc = oce_rss_itbl_init(sc, fwcmd);
818 	if (rc == 0) {
819 		mbx.u0.s.embedded = 1;
820 		mbx.payload_length = sizeof(struct mbx_config_nic_rss);
821 		DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
822 
823 		rc = oce_mbox_post(sc, &mbx, NULL);
824 		if (!rc)
825                 	rc = fwcmd->hdr.u0.rsp.status;
826 		if (rc)
827 		device_printf(sc->dev,
828 			      "%s failed - cmd status: %d addi status: %d\n",
829 			      __FUNCTION__, rc,
830 			      fwcmd->hdr.u0.rsp.additional_status);
831 	}
832 	return rc;
833 }
834 
835 /**
836  * @brief 		RXF function to enable/disable device promiscuous mode
837  * @param sc		software handle to the device
838  * @param enable	enable/disable flag
839  * @returns		0 on success, EIO on failure
840  * @note
841  *	The NIC_CONFIG_PROMISCUOUS command deprecated for Lancer.
842  *	This function uses the COMMON_SET_IFACE_RX_FILTER command instead.
843  */
844 int
845 oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable)
846 {
847 	struct mbx_set_common_iface_rx_filter *fwcmd;
848 	int sz = sizeof(struct mbx_set_common_iface_rx_filter);
849 	iface_rx_filter_ctx_t *req;
850 	OCE_DMA_MEM sgl;
851 	int rc;
852 
853 	/* allocate mbx payload's dma scatter/gather memory */
854 	rc = oce_dma_alloc(sc, sz, &sgl, 0);
855 	if (rc)
856 		return rc;
857 
858 	fwcmd = OCE_DMAPTR(&sgl, struct mbx_set_common_iface_rx_filter);
859 
860 	req =  &fwcmd->params.req;
861 	req->iface_flags_mask = MBX_RX_IFACE_FLAGS_PROMISCUOUS |
862 				MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
863 	/* Bit 0 Mac promisc, Bit 1 Vlan promisc */
864 	if (enable & 0x01)
865 		req->iface_flags = MBX_RX_IFACE_FLAGS_PROMISCUOUS;
866 
867 	if (enable & 0x02)
868 		req->iface_flags = MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
869 
870 	req->if_id = sc->if_id;
871 
872 	rc = oce_set_common_iface_rx_filter(sc, &sgl);
873 	oce_dma_free(sc, &sgl);
874 
875 	return rc;
876 }
877 
878 
879 /**
880  * @brief 			Function modify and select rx filter options
881  * @param sc			software handle to the device
882  * @param sgl			scatter/gather request/response
883  * @returns			0 on success, error code on failure
884  */
885 int
886 oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl)
887 {
888 	struct oce_mbx mbx;
889 	int mbx_sz = sizeof(struct mbx_set_common_iface_rx_filter);
890 	struct mbx_set_common_iface_rx_filter *fwcmd;
891 	int rc;
892 
893 	bzero(&mbx, sizeof(struct oce_mbx));
894 	fwcmd = OCE_DMAPTR(sgl, struct mbx_set_common_iface_rx_filter);
895 
896 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
897 				MBX_SUBSYSTEM_COMMON,
898 				OPCODE_COMMON_SET_IFACE_RX_FILTER,
899 				MBX_TIMEOUT_SEC,
900 				mbx_sz,
901 				OCE_MBX_VER_V0);
902 
903 	oce_dma_sync(sgl, BUS_DMASYNC_PREWRITE);
904 	mbx.u0.s.embedded = 0;
905 	mbx.u0.s.sge_count = 1;
906 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(sgl->paddr);
907 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(sgl->paddr);
908 	mbx.payload.u0.u1.sgl[0].length = mbx_sz;
909 	mbx.payload_length = mbx_sz;
910 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
911 
912 	rc = oce_mbox_post(sc, &mbx, NULL);
913 	if (!rc)
914                 rc = fwcmd->hdr.u0.rsp.status;
915 	if (rc)
916 		device_printf(sc->dev,
917 			      "%s failed - cmd status: %d addi status: %d\n",
918 			      __FUNCTION__, rc,
919 			      fwcmd->hdr.u0.rsp.additional_status);
920 	return rc;
921 }
922 
923 /**
924  * @brief Function to query the link status from the hardware
925  * @param sc 		software handle to the device
926  * @param[out] link	pointer to the structure returning link attributes
927  * @returns		0 on success, EIO on failure
928  */
929 int
930 oce_get_link_status(POCE_SOFTC sc, struct link_status *link)
931 {
932 	struct oce_mbx mbx;
933 	struct mbx_query_common_link_config *fwcmd;
934 	int rc = 0, version;
935 
936 	bzero(&mbx, sizeof(struct oce_mbx));
937 
938 	IS_XE201(sc) ? (version = OCE_MBX_VER_V1) : (version = OCE_MBX_VER_V0);
939 
940 	fwcmd = (struct mbx_query_common_link_config *)&mbx.payload;
941 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
942 				MBX_SUBSYSTEM_COMMON,
943 				OPCODE_COMMON_QUERY_LINK_CONFIG,
944 				MBX_TIMEOUT_SEC,
945 				sizeof(struct mbx_query_common_link_config),
946 				version);
947 
948 	mbx.u0.s.embedded = 1;
949 	mbx.payload_length = sizeof(struct mbx_query_common_link_config);
950 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
951 
952 	rc = oce_mbox_post(sc, &mbx, NULL);
953 
954 	if (!rc)
955                 rc = fwcmd->hdr.u0.rsp.status;
956 	if (rc) {
957 		device_printf(sc->dev,
958 			      "%s failed - cmd status: %d addi status: %d\n",
959 			      __FUNCTION__, rc,
960 			      fwcmd->hdr.u0.rsp.additional_status);
961 		goto error;
962 	}
963 	/* interpret response */
964 	bcopy(&fwcmd->params.rsp, link, sizeof(struct link_status));
965 	link->logical_link_status = HOST_32(link->logical_link_status);
966 	link->qos_link_speed = HOST_16(link->qos_link_speed);
967 error:
968 	return rc;
969 }
970 
971 
972 
973 int
974 oce_mbox_get_nic_stats_v0(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem)
975 {
976 	struct oce_mbx mbx;
977 	struct mbx_get_nic_stats_v0 *fwcmd;
978 	int rc = 0;
979 
980 	bzero(&mbx, sizeof(struct oce_mbx));
981 
982 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_nic_stats_v0);
983 	bzero(fwcmd, sizeof(struct mbx_get_nic_stats_v0));
984 
985 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
986 				MBX_SUBSYSTEM_NIC,
987 				NIC_GET_STATS,
988 				MBX_TIMEOUT_SEC,
989 				sizeof(struct mbx_get_nic_stats_v0),
990 				OCE_MBX_VER_V0);
991 
992 	mbx.u0.s.embedded = 0;
993 	mbx.u0.s.sge_count = 1;
994 
995 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
996 
997 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
998 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
999 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_nic_stats_v0);
1000 
1001 	mbx.payload_length = sizeof(struct mbx_get_nic_stats_v0);
1002 
1003 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1004 
1005 	rc = oce_mbox_post(sc, &mbx, NULL);
1006 
1007 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1008 
1009 	if (!rc)
1010                 rc = fwcmd->hdr.u0.rsp.status;
1011 	if (rc)
1012 		device_printf(sc->dev,
1013 			      "%s failed - cmd status: %d addi status: %d\n",
1014 			      __FUNCTION__, rc,
1015 			      fwcmd->hdr.u0.rsp.additional_status);
1016 	return rc;
1017 }
1018 
1019 
1020 
1021 /**
1022  * @brief Function to get NIC statistics
1023  * @param sc 		software handle to the device
1024  * @param *stats	pointer to where to store statistics
1025  * @param reset_stats	resets statistics of set
1026  * @returns		0 on success, EIO on failure
1027  * @note		command depricated in Lancer
1028  */
1029 int
1030 oce_mbox_get_nic_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem)
1031 {
1032 	struct oce_mbx mbx;
1033 	struct mbx_get_nic_stats *fwcmd;
1034 	int rc = 0;
1035 
1036 	bzero(&mbx, sizeof(struct oce_mbx));
1037 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_nic_stats);
1038 	bzero(fwcmd, sizeof(struct mbx_get_nic_stats));
1039 
1040 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1041 				MBX_SUBSYSTEM_NIC,
1042 				NIC_GET_STATS,
1043 				MBX_TIMEOUT_SEC,
1044 				sizeof(struct mbx_get_nic_stats),
1045 				OCE_MBX_VER_V1);
1046 
1047 
1048 	mbx.u0.s.embedded = 0;  /* stats too large for embedded mbx rsp */
1049 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1050 
1051 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1052 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1053 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1054 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_nic_stats);
1055 
1056 	mbx.payload_length = sizeof(struct mbx_get_nic_stats);
1057 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1058 
1059 	rc = oce_mbox_post(sc, &mbx, NULL);
1060 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1061 	if (!rc)
1062                 rc = fwcmd->hdr.u0.rsp.status;
1063 	if (rc)
1064 		device_printf(sc->dev,
1065 			      "%s failed - cmd status: %d addi status: %d\n",
1066 			      __FUNCTION__, rc,
1067 			      fwcmd->hdr.u0.rsp.additional_status);
1068 	return rc;
1069 }
1070 
1071 
1072 /**
1073  * @brief Function to get pport (physical port) statistics
1074  * @param sc 		software handle to the device
1075  * @param *stats	pointer to where to store statistics
1076  * @param reset_stats	resets statistics of set
1077  * @returns		0 on success, EIO on failure
1078  */
1079 int
1080 oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1081 				uint32_t reset_stats)
1082 {
1083 	struct oce_mbx mbx;
1084 	struct mbx_get_pport_stats *fwcmd;
1085 	int rc = 0;
1086 
1087 	bzero(&mbx, sizeof(struct oce_mbx));
1088 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_pport_stats);
1089 	bzero(fwcmd, sizeof(struct mbx_get_pport_stats));
1090 
1091 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1092 				MBX_SUBSYSTEM_NIC,
1093 				NIC_GET_PPORT_STATS,
1094 				MBX_TIMEOUT_SEC,
1095 				sizeof(struct mbx_get_pport_stats),
1096 				OCE_MBX_VER_V0);
1097 
1098 	fwcmd->params.req.reset_stats = reset_stats;
1099 	fwcmd->params.req.port_number = sc->port_id;
1100 
1101 	mbx.u0.s.embedded = 0;	/* stats too large for embedded mbx rsp */
1102 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1103 
1104 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1105 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1106 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1107 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_pport_stats);
1108 
1109 	mbx.payload_length = sizeof(struct mbx_get_pport_stats);
1110 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1111 
1112 	rc = oce_mbox_post(sc, &mbx, NULL);
1113 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1114 
1115 	if (!rc)
1116                 rc = fwcmd->hdr.u0.rsp.status;
1117 	if (rc)
1118 		device_printf(sc->dev,
1119 			      "%s failed - cmd status: %d addi status: %d\n",
1120 			      __FUNCTION__, rc,
1121 			      fwcmd->hdr.u0.rsp.additional_status);
1122 	return rc;
1123 }
1124 
1125 
1126 /**
1127  * @brief Function to get vport (virtual port) statistics
1128  * @param sc 		software handle to the device
1129  * @param *stats	pointer to where to store statistics
1130  * @param reset_stats	resets statistics of set
1131  * @returns		0 on success, EIO on failure
1132  */
1133 int
1134 oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1135 				uint32_t req_size, uint32_t reset_stats)
1136 {
1137 	struct oce_mbx mbx;
1138 	struct mbx_get_vport_stats *fwcmd;
1139 	int rc = 0;
1140 
1141 	bzero(&mbx, sizeof(struct oce_mbx));
1142 
1143 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_vport_stats);
1144 	bzero(fwcmd, sizeof(struct mbx_get_vport_stats));
1145 
1146 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1147 				MBX_SUBSYSTEM_NIC,
1148 				NIC_GET_VPORT_STATS,
1149 				MBX_TIMEOUT_SEC,
1150 				sizeof(struct mbx_get_vport_stats),
1151 				OCE_MBX_VER_V0);
1152 
1153 	fwcmd->params.req.reset_stats = reset_stats;
1154 	fwcmd->params.req.vport_number = sc->if_id;
1155 
1156 	mbx.u0.s.embedded = 0;	/* stats too large for embedded mbx rsp */
1157 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1158 
1159 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1160 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1161 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1162 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_vport_stats);
1163 
1164 	mbx.payload_length = sizeof(struct mbx_get_vport_stats);
1165 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1166 
1167 	rc = oce_mbox_post(sc, &mbx, NULL);
1168 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1169 
1170 	if (!rc)
1171                 rc = fwcmd->hdr.u0.rsp.status;
1172 	if (rc)
1173 		device_printf(sc->dev,
1174 			      "%s failed - cmd status: %d addi status: %d\n",
1175 			      __FUNCTION__, rc,
1176 			      fwcmd->hdr.u0.rsp.additional_status);
1177 	return rc;
1178 }
1179 
1180 
1181 /**
1182  * @brief               Function to update the muticast filter with
1183  *                      values in dma_mem
1184  * @param sc            software handle to the device
1185  * @param dma_mem       pointer to dma memory region
1186  * @returns             0 on success, EIO on failure
1187  */
1188 int
1189 oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem)
1190 {
1191 	struct oce_mbx mbx;
1192 	struct oce_mq_sge *sgl;
1193 	struct mbx_set_common_iface_multicast *req = NULL;
1194 	int rc = 0;
1195 
1196 	req = OCE_DMAPTR(pdma_mem, struct mbx_set_common_iface_multicast);
1197 	mbx_common_req_hdr_init(&req->hdr, 0, 0,
1198 				MBX_SUBSYSTEM_COMMON,
1199 				OPCODE_COMMON_SET_IFACE_MULTICAST,
1200 				MBX_TIMEOUT_SEC,
1201 				sizeof(struct mbx_set_common_iface_multicast),
1202 				OCE_MBX_VER_V0);
1203 
1204 	bzero(&mbx, sizeof(struct oce_mbx));
1205 
1206 	mbx.u0.s.embedded = 0; /*Non embeded*/
1207 	mbx.payload_length = sizeof(struct mbx_set_common_iface_multicast);
1208 	mbx.u0.s.sge_count = 1;
1209 	sgl = &mbx.payload.u0.u1.sgl[0];
1210 	sgl->pa_hi = htole32(upper_32_bits(pdma_mem->paddr));
1211 	sgl->pa_lo = htole32((pdma_mem->paddr) & 0xFFFFFFFF);
1212 	sgl->length = htole32(mbx.payload_length);
1213 
1214 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1215 
1216 	rc = oce_mbox_post(sc, &mbx, NULL);
1217 	if (!rc)
1218                 rc = req->hdr.u0.rsp.status;
1219 	if (rc)
1220 		device_printf(sc->dev,
1221 			      "%s failed - cmd status: %d addi status: %d\n",
1222 			      __FUNCTION__, rc,
1223 			      req->hdr.u0.rsp.additional_status);
1224 	return rc;
1225 }
1226 
1227 
1228 /**
1229  * @brief               Function to send passthrough Ioctls
1230  * @param sc            software handle to the device
1231  * @param dma_mem       pointer to dma memory region
1232  * @param req_size      size of dma_mem
1233  * @returns             0 on success, EIO on failure
1234  */
1235 int
1236 oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size)
1237 {
1238 	struct oce_mbx mbx;
1239 	struct oce_mq_sge *sgl;
1240 	int rc = 0;
1241 
1242 	bzero(&mbx, sizeof(struct oce_mbx));
1243 
1244 	mbx.u0.s.embedded  = 0; /*Non embeded*/
1245 	mbx.payload_length = req_size;
1246 	mbx.u0.s.sge_count = 1;
1247 	sgl = &mbx.payload.u0.u1.sgl[0];
1248 	sgl->pa_hi = htole32(upper_32_bits(dma_mem->paddr));
1249 	sgl->pa_lo = htole32((dma_mem->paddr) & 0xFFFFFFFF);
1250 	sgl->length = htole32(req_size);
1251 
1252 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1253 
1254 	rc = oce_mbox_post(sc, &mbx, NULL);
1255 	return rc;
1256 }
1257 
1258 
1259 int
1260 oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1261 		 uint32_t if_id, uint32_t *pmac_id)
1262 {
1263 	struct oce_mbx mbx;
1264 	struct mbx_add_common_iface_mac *fwcmd;
1265 	int rc = 0;
1266 
1267 	bzero(&mbx, sizeof(struct oce_mbx));
1268 
1269 	fwcmd = (struct mbx_add_common_iface_mac *)&mbx.payload;
1270 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1271 				MBX_SUBSYSTEM_COMMON,
1272 				OPCODE_COMMON_ADD_IFACE_MAC,
1273 				MBX_TIMEOUT_SEC,
1274 				sizeof(struct mbx_add_common_iface_mac),
1275 				OCE_MBX_VER_V0);
1276 
1277 	fwcmd->params.req.if_id = (uint16_t) if_id;
1278 	bcopy(mac_addr, fwcmd->params.req.mac_address, 6);
1279 
1280 	mbx.u0.s.embedded = 1;
1281 	mbx.payload_length = sizeof(struct  mbx_add_common_iface_mac);
1282 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1283 	rc = oce_mbox_post(sc, &mbx, NULL);
1284 	if (!rc)
1285                 rc = fwcmd->hdr.u0.rsp.status;
1286 	if (rc) {
1287 		device_printf(sc->dev,
1288 			      "%s failed - cmd status: %d addi status: %d\n",
1289 			      __FUNCTION__, rc,
1290 			      fwcmd->hdr.u0.rsp.additional_status);
1291 		goto error;
1292 	}
1293 	*pmac_id = fwcmd->params.rsp.pmac_id;
1294 error:
1295 	return rc;
1296 }
1297 
1298 
1299 int
1300 oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id)
1301 {
1302 	struct oce_mbx mbx;
1303 	struct mbx_del_common_iface_mac *fwcmd;
1304 	int rc = 0;
1305 
1306 	bzero(&mbx, sizeof(struct oce_mbx));
1307 
1308 	fwcmd = (struct mbx_del_common_iface_mac *)&mbx.payload;
1309 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1310 				MBX_SUBSYSTEM_COMMON,
1311 				OPCODE_COMMON_DEL_IFACE_MAC,
1312 				MBX_TIMEOUT_SEC,
1313 				sizeof(struct mbx_del_common_iface_mac),
1314 				OCE_MBX_VER_V0);
1315 
1316 	fwcmd->params.req.if_id = (uint16_t)if_id;
1317 	fwcmd->params.req.pmac_id = pmac_id;
1318 
1319 	mbx.u0.s.embedded = 1;
1320 	mbx.payload_length = sizeof(struct  mbx_del_common_iface_mac);
1321 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1322 
1323 	rc = oce_mbox_post(sc, &mbx, NULL);
1324 	if (!rc)
1325                 rc = fwcmd->hdr.u0.rsp.status;
1326 	if (rc)
1327 		device_printf(sc->dev,
1328 			      "%s failed - cmd status: %d addi status: %d\n",
1329 			      __FUNCTION__, rc,
1330 			      fwcmd->hdr.u0.rsp.additional_status);
1331 	return rc;
1332 }
1333 
1334 
1335 
1336 int
1337 oce_mbox_check_native_mode(POCE_SOFTC sc)
1338 {
1339 	struct oce_mbx mbx;
1340 	struct mbx_common_set_function_cap *fwcmd;
1341 	int rc = 0;
1342 
1343 	bzero(&mbx, sizeof(struct oce_mbx));
1344 
1345 	fwcmd = (struct mbx_common_set_function_cap *)&mbx.payload;
1346 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1347 				MBX_SUBSYSTEM_COMMON,
1348 				OPCODE_COMMON_SET_FUNCTIONAL_CAPS,
1349 				MBX_TIMEOUT_SEC,
1350 				sizeof(struct mbx_common_set_function_cap),
1351 				OCE_MBX_VER_V0);
1352 
1353 	fwcmd->params.req.valid_capability_flags = CAP_SW_TIMESTAMPS |
1354 							CAP_BE3_NATIVE_ERX_API;
1355 
1356 	fwcmd->params.req.capability_flags = CAP_BE3_NATIVE_ERX_API;
1357 
1358 	mbx.u0.s.embedded = 1;
1359 	mbx.payload_length = sizeof(struct mbx_common_set_function_cap);
1360 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1361 
1362 	rc = oce_mbox_post(sc, &mbx, NULL);
1363 	if (!rc)
1364                 rc = fwcmd->hdr.u0.rsp.status;
1365 	if (rc) {
1366 		device_printf(sc->dev,
1367 			      "%s failed - cmd status: %d addi status: %d\n",
1368 			      __FUNCTION__, rc,
1369 			      fwcmd->hdr.u0.rsp.additional_status);
1370 		goto error;
1371 	}
1372 	sc->be3_native = HOST_32(fwcmd->params.rsp.capability_flags)
1373 			& CAP_BE3_NATIVE_ERX_API;
1374 
1375 error:
1376 	return 0;
1377 }
1378 
1379 
1380 
1381 int
1382 oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1383 		uint8_t loopback_type, uint8_t enable)
1384 {
1385 	struct oce_mbx mbx;
1386 	struct mbx_lowlevel_set_loopback_mode *fwcmd;
1387 	int rc = 0;
1388 
1389 
1390 	bzero(&mbx, sizeof(struct oce_mbx));
1391 
1392 	fwcmd = (struct mbx_lowlevel_set_loopback_mode *)&mbx.payload;
1393 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1394 				MBX_SUBSYSTEM_LOWLEVEL,
1395 				OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
1396 				MBX_TIMEOUT_SEC,
1397 				sizeof(struct mbx_lowlevel_set_loopback_mode),
1398 				OCE_MBX_VER_V0);
1399 
1400 	fwcmd->params.req.src_port = port_num;
1401 	fwcmd->params.req.dest_port = port_num;
1402 	fwcmd->params.req.loopback_type = loopback_type;
1403 	fwcmd->params.req.loopback_state = enable;
1404 
1405 	mbx.u0.s.embedded = 1;
1406 	mbx.payload_length = sizeof(struct  mbx_lowlevel_set_loopback_mode);
1407 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1408 
1409 	rc = oce_mbox_post(sc, &mbx, NULL);
1410 	if (!rc)
1411                 rc = fwcmd->hdr.u0.rsp.status;
1412 	if (rc)
1413 		device_printf(sc->dev,
1414 			      "%s failed - cmd status: %d addi status: %d\n",
1415 			      __FUNCTION__, rc,
1416 			      fwcmd->hdr.u0.rsp.additional_status);
1417 
1418 	return rc;
1419 
1420 }
1421 
1422 int
1423 oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1424 	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1425 	uint64_t pattern)
1426 {
1427 
1428 	struct oce_mbx mbx;
1429 	struct mbx_lowlevel_test_loopback_mode *fwcmd;
1430 	int rc = 0;
1431 
1432 
1433 	bzero(&mbx, sizeof(struct oce_mbx));
1434 
1435 	fwcmd = (struct mbx_lowlevel_test_loopback_mode *)&mbx.payload;
1436 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1437 				MBX_SUBSYSTEM_LOWLEVEL,
1438 				OPCODE_LOWLEVEL_TEST_LOOPBACK,
1439 				MBX_TIMEOUT_SEC,
1440 				sizeof(struct mbx_lowlevel_test_loopback_mode),
1441 				OCE_MBX_VER_V0);
1442 
1443 	fwcmd->params.req.pattern = pattern;
1444 	fwcmd->params.req.src_port = port_num;
1445 	fwcmd->params.req.dest_port = port_num;
1446 	fwcmd->params.req.pkt_size = pkt_size;
1447 	fwcmd->params.req.num_pkts = num_pkts;
1448 	fwcmd->params.req.loopback_type = loopback_type;
1449 
1450 	mbx.u0.s.embedded = 1;
1451 	mbx.payload_length = sizeof(struct  mbx_lowlevel_test_loopback_mode);
1452 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1453 
1454 	rc = oce_mbox_post(sc, &mbx, NULL);
1455 	if (!rc)
1456                 rc = fwcmd->hdr.u0.rsp.status;
1457 	if (rc)
1458 		device_printf(sc->dev,
1459 			      "%s failed - cmd status: %d addi status: %d\n",
1460 			      __FUNCTION__, rc,
1461 			      fwcmd->hdr.u0.rsp.additional_status);
1462 
1463 	return rc;
1464 }
1465 
1466 int
1467 oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1468 				POCE_DMA_MEM pdma_mem, uint32_t num_bytes)
1469 {
1470 
1471 	struct oce_mbx mbx;
1472 	struct oce_mq_sge *sgl = NULL;
1473 	struct mbx_common_read_write_flashrom *fwcmd = NULL;
1474 	int rc = 0, payload_len = 0;
1475 
1476 	bzero(&mbx, sizeof(struct oce_mbx));
1477 	fwcmd = OCE_DMAPTR(pdma_mem, struct mbx_common_read_write_flashrom);
1478 	payload_len = sizeof(struct mbx_common_read_write_flashrom) + 32*1024;
1479 
1480 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1481 				MBX_SUBSYSTEM_COMMON,
1482 				OPCODE_COMMON_WRITE_FLASHROM,
1483 				LONG_TIMEOUT,
1484 				payload_len,
1485 				OCE_MBX_VER_V0);
1486 
1487 	fwcmd->flash_op_type = LE_32(optype);
1488 	fwcmd->flash_op_code = LE_32(opcode);
1489 	fwcmd->data_buffer_size = LE_32(num_bytes);
1490 
1491 	mbx.u0.s.embedded  = 0; /*Non embeded*/
1492 	mbx.payload_length = payload_len;
1493 	mbx.u0.s.sge_count = 1;
1494 
1495 	sgl = &mbx.payload.u0.u1.sgl[0];
1496 	sgl->pa_hi = upper_32_bits(pdma_mem->paddr);
1497 	sgl->pa_lo = pdma_mem->paddr & 0xFFFFFFFF;
1498 	sgl->length = payload_len;
1499 
1500 	/* post the command */
1501 	rc = oce_mbox_post(sc, &mbx, NULL);
1502 	if (!rc)
1503                 rc = fwcmd->hdr.u0.rsp.status;
1504 	if (rc)
1505 		device_printf(sc->dev,
1506 			      "%s failed - cmd status: %d addi status: %d\n",
1507 			      __FUNCTION__, rc,
1508 			      fwcmd->hdr.u0.rsp.additional_status);
1509 
1510 	return rc;
1511 
1512 }
1513 
1514 int
1515 oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1516 				uint32_t offset, uint32_t optype)
1517 {
1518 
1519 	int rc = 0, payload_len = 0;
1520 	struct oce_mbx mbx;
1521 	struct mbx_common_read_write_flashrom *fwcmd;
1522 
1523 	bzero(&mbx, sizeof(struct oce_mbx));
1524 
1525 	fwcmd = (struct mbx_common_read_write_flashrom *)&mbx.payload;
1526 
1527 	/* Firmware requires extra 4 bytes with this ioctl. Since there
1528 	   is enough room in the mbx payload it should be good enough
1529 	   Reference: Bug 14853
1530 	*/
1531 	payload_len = sizeof(struct mbx_common_read_write_flashrom) + 4;
1532 
1533 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1534 				MBX_SUBSYSTEM_COMMON,
1535 				OPCODE_COMMON_READ_FLASHROM,
1536 				MBX_TIMEOUT_SEC,
1537 				payload_len,
1538 				OCE_MBX_VER_V0);
1539 
1540 	fwcmd->flash_op_type = optype;
1541 	fwcmd->flash_op_code = FLASHROM_OPER_REPORT;
1542 	fwcmd->data_offset = offset;
1543 	fwcmd->data_buffer_size = 0x4;
1544 
1545 	mbx.u0.s.embedded  = 1;
1546 	mbx.payload_length = payload_len;
1547 
1548 	/* post the command */
1549 	rc = oce_mbox_post(sc, &mbx, NULL);
1550 	if (!rc)
1551                 rc = fwcmd->hdr.u0.rsp.status;
1552 	if (rc) {
1553 		device_printf(sc->dev,
1554 			      "%s failed - cmd status: %d addi status: %d\n",
1555 			      __FUNCTION__, rc,
1556 			      fwcmd->hdr.u0.rsp.additional_status);
1557 		goto error;
1558 	}
1559 	bcopy(fwcmd->data_buffer, flash_crc, 4);
1560 error:
1561 	return rc;
1562 }
1563 
1564 int
1565 oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info)
1566 {
1567 
1568 	struct oce_mbx mbx;
1569 	struct mbx_common_phy_info *fwcmd;
1570 	int rc = 0;
1571 
1572 	bzero(&mbx, sizeof(struct oce_mbx));
1573 
1574 	fwcmd = (struct mbx_common_phy_info *)&mbx.payload;
1575 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1576 				MBX_SUBSYSTEM_COMMON,
1577 				OPCODE_COMMON_GET_PHY_CONFIG,
1578 				MBX_TIMEOUT_SEC,
1579 				sizeof(struct mbx_common_phy_info),
1580 				OCE_MBX_VER_V0);
1581 
1582 	mbx.u0.s.embedded = 1;
1583 	mbx.payload_length = sizeof(struct  mbx_common_phy_info);
1584 
1585 	/* now post the command */
1586 	rc = oce_mbox_post(sc, &mbx, NULL);
1587 	if (!rc)
1588                 rc = fwcmd->hdr.u0.rsp.status;
1589 	if (rc) {
1590 		device_printf(sc->dev,
1591 			      "%s failed - cmd status: %d addi status: %d\n",
1592 			      __FUNCTION__, rc,
1593 			      fwcmd->hdr.u0.rsp.additional_status);
1594 		goto error;
1595 	}
1596 	phy_info->phy_type = HOST_16(fwcmd->params.rsp.phy_info.phy_type);
1597 	phy_info->interface_type =
1598 			HOST_16(fwcmd->params.rsp.phy_info.interface_type);
1599 	phy_info->auto_speeds_supported =
1600 		HOST_16(fwcmd->params.rsp.phy_info.auto_speeds_supported);
1601 	phy_info->fixed_speeds_supported =
1602 		HOST_16(fwcmd->params.rsp.phy_info.fixed_speeds_supported);
1603 	phy_info->misc_params = HOST_32(fwcmd->params.rsp.phy_info.misc_params);
1604 error:
1605 	return rc;
1606 
1607 }
1608 
1609 
1610 int
1611 oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1612 			uint32_t data_offset, POCE_DMA_MEM pdma_mem,
1613 			uint32_t *written_data, uint32_t *additional_status)
1614 {
1615 
1616 	struct oce_mbx mbx;
1617 	struct mbx_lancer_common_write_object *fwcmd = NULL;
1618 	int rc = 0, payload_len = 0;
1619 
1620 	bzero(&mbx, sizeof(struct oce_mbx));
1621 	payload_len = sizeof(struct mbx_lancer_common_write_object);
1622 
1623 	mbx.u0.s.embedded  = 1;/* Embedded */
1624 	mbx.payload_length = payload_len;
1625 	fwcmd = (struct mbx_lancer_common_write_object *)&mbx.payload;
1626 
1627 	/* initialize the ioctl header */
1628 	mbx_common_req_hdr_init(&fwcmd->params.req.hdr, 0, 0,
1629 				MBX_SUBSYSTEM_COMMON,
1630 				OPCODE_COMMON_WRITE_OBJECT,
1631 				LONG_TIMEOUT,
1632 				payload_len,
1633 				OCE_MBX_VER_V0);
1634 
1635 	fwcmd->params.req.write_length = data_size;
1636 	if (data_size == 0)
1637 		fwcmd->params.req.eof = 1;
1638 	else
1639 		fwcmd->params.req.eof = 0;
1640 
1641 	strcpy(fwcmd->params.req.object_name, "/prg");
1642 	fwcmd->params.req.descriptor_count = 1;
1643 	fwcmd->params.req.write_offset = data_offset;
1644 	fwcmd->params.req.buffer_length = data_size;
1645 	fwcmd->params.req.address_lower = pdma_mem->paddr & 0xFFFFFFFF;
1646 	fwcmd->params.req.address_upper = upper_32_bits(pdma_mem->paddr);
1647 
1648 	/* post the command */
1649 	rc = oce_mbox_post(sc, &mbx, NULL);
1650 	if (!rc)
1651                 rc = fwcmd->params.rsp.status;
1652 	if (rc) {
1653 		device_printf(sc->dev,
1654 			      "%s failed - cmd status: %d addi status: %d\n",
1655 			      __FUNCTION__, rc,
1656 			      fwcmd->params.rsp.additional_status);
1657 		goto error;
1658 	}
1659 	*written_data = HOST_32(fwcmd->params.rsp.actual_write_length);
1660 	*additional_status = fwcmd->params.rsp.additional_status;
1661 error:
1662 	return rc;
1663 
1664 }
1665 
1666 
1667 
1668 int
1669 oce_mbox_create_rq(struct oce_rq *rq)
1670 {
1671 
1672 	struct oce_mbx mbx;
1673 	struct mbx_create_nic_rq *fwcmd;
1674 	POCE_SOFTC sc = rq->parent;
1675 	int rc, num_pages = 0;
1676 
1677 	if (rq->qstate == QCREATED)
1678 		return 0;
1679 
1680 	bzero(&mbx, sizeof(struct oce_mbx));
1681 
1682 	fwcmd = (struct mbx_create_nic_rq *)&mbx.payload;
1683 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1684 				MBX_SUBSYSTEM_NIC,
1685 				NIC_CREATE_RQ, MBX_TIMEOUT_SEC,
1686 				sizeof(struct mbx_create_nic_rq),
1687 				OCE_MBX_VER_V0);
1688 
1689 	/* oce_page_list will also prepare pages */
1690 	num_pages = oce_page_list(rq->ring, &fwcmd->params.req.pages[0]);
1691 
1692 	if (IS_XE201(sc)) {
1693 		fwcmd->params.req.frag_size = rq->cfg.frag_size/2048;
1694 		fwcmd->params.req.page_size = 1;
1695 		fwcmd->hdr.u0.req.version = OCE_MBX_VER_V1;
1696 	} else
1697 		fwcmd->params.req.frag_size = OCE_LOG2(rq->cfg.frag_size);
1698 	fwcmd->params.req.num_pages = num_pages;
1699 	fwcmd->params.req.cq_id = rq->cq->cq_id;
1700 	fwcmd->params.req.if_id = sc->if_id;
1701 	fwcmd->params.req.max_frame_size = rq->cfg.mtu;
1702 	fwcmd->params.req.is_rss_queue = rq->cfg.is_rss_queue;
1703 
1704 	mbx.u0.s.embedded = 1;
1705 	mbx.payload_length = sizeof(struct mbx_create_nic_rq);
1706 
1707 	rc = oce_mbox_post(sc, &mbx, NULL);
1708 	if (!rc)
1709                 rc = fwcmd->hdr.u0.rsp.status;
1710 	if (rc) {
1711 		device_printf(sc->dev,
1712 			      "%s failed - cmd status: %d addi status: %d\n",
1713 			      __FUNCTION__, rc,
1714 			      fwcmd->hdr.u0.rsp.additional_status);
1715 		goto error;
1716 	}
1717 	rq->rq_id = HOST_16(fwcmd->params.rsp.rq_id);
1718 	rq->rss_cpuid = fwcmd->params.rsp.rss_cpuid;
1719 error:
1720 	return rc;
1721 
1722 }
1723 
1724 
1725 
1726 int
1727 oce_mbox_create_wq(struct oce_wq *wq)
1728 {
1729 	struct oce_mbx mbx;
1730 	struct mbx_create_nic_wq *fwcmd;
1731 	POCE_SOFTC sc = wq->parent;
1732 	int rc = 0, version, num_pages;
1733 
1734 	bzero(&mbx, sizeof(struct oce_mbx));
1735 
1736 	fwcmd = (struct mbx_create_nic_wq *)&mbx.payload;
1737 	if (IS_XE201(sc))
1738 		version = OCE_MBX_VER_V1;
1739 	else if(IS_BE(sc))
1740 		IS_PROFILE_SUPER_NIC(sc) ? (version = OCE_MBX_VER_V2)
1741 					 : (version = OCE_MBX_VER_V0);
1742 	else
1743 		version = OCE_MBX_VER_V2;
1744 
1745 	if (version > OCE_MBX_VER_V0)
1746 		fwcmd->params.req.if_id = sc->if_id;
1747 
1748 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1749 				MBX_SUBSYSTEM_NIC,
1750 				NIC_CREATE_WQ, MBX_TIMEOUT_SEC,
1751 				sizeof(struct mbx_create_nic_wq),
1752 				version);
1753 
1754 	num_pages = oce_page_list(wq->ring, &fwcmd->params.req.pages[0]);
1755 
1756 	fwcmd->params.req.nic_wq_type = wq->cfg.wq_type;
1757 	fwcmd->params.req.num_pages = num_pages;
1758 	fwcmd->params.req.wq_size = OCE_LOG2(wq->cfg.q_len) + 1;
1759 	fwcmd->params.req.cq_id = wq->cq->cq_id;
1760 	fwcmd->params.req.ulp_num = 1;
1761 
1762 	mbx.u0.s.embedded = 1;
1763 	mbx.payload_length = sizeof(struct mbx_create_nic_wq);
1764 
1765 	rc = oce_mbox_post(sc, &mbx, NULL);
1766 	if (!rc)
1767                 rc = fwcmd->hdr.u0.rsp.status;
1768 	if (rc) {
1769 		device_printf(sc->dev,
1770 			      "%s failed - cmd status: %d addi status: %d\n",
1771 			      __FUNCTION__, rc,
1772 			      fwcmd->hdr.u0.rsp.additional_status);
1773 		goto error;
1774 	}
1775 	wq->wq_id = HOST_16(fwcmd->params.rsp.wq_id);
1776 	if (version == OCE_MBX_VER_V2)
1777 		wq->db_offset = HOST_32(fwcmd->params.rsp.db_offset);
1778 	else
1779 		wq->db_offset = PD_TXULP_DB;
1780 error:
1781 	return rc;
1782 
1783 }
1784 
1785 
1786 
1787 int
1788 oce_mbox_create_eq(struct oce_eq *eq)
1789 {
1790 	struct oce_mbx mbx;
1791 	struct mbx_create_common_eq *fwcmd;
1792 	POCE_SOFTC sc = eq->parent;
1793 	int rc = 0;
1794 	uint32_t num_pages;
1795 
1796 	bzero(&mbx, sizeof(struct oce_mbx));
1797 
1798 	fwcmd = (struct mbx_create_common_eq *)&mbx.payload;
1799 
1800 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1801 				MBX_SUBSYSTEM_COMMON,
1802 				OPCODE_COMMON_CREATE_EQ, MBX_TIMEOUT_SEC,
1803 				sizeof(struct mbx_create_common_eq),
1804 				OCE_MBX_VER_V0);
1805 
1806 	num_pages = oce_page_list(eq->ring, &fwcmd->params.req.pages[0]);
1807 	fwcmd->params.req.ctx.num_pages = num_pages;
1808 	fwcmd->params.req.ctx.valid = 1;
1809 	fwcmd->params.req.ctx.size = (eq->eq_cfg.item_size == 4) ? 0 : 1;
1810 	fwcmd->params.req.ctx.count = OCE_LOG2(eq->eq_cfg.q_len / 256);
1811 	fwcmd->params.req.ctx.armed = 0;
1812 	fwcmd->params.req.ctx.delay_mult = eq->eq_cfg.cur_eqd;
1813 
1814 
1815 	mbx.u0.s.embedded = 1;
1816 	mbx.payload_length = sizeof(struct mbx_create_common_eq);
1817 
1818 	rc = oce_mbox_post(sc, &mbx, NULL);
1819 	if (!rc)
1820                 rc = fwcmd->hdr.u0.rsp.status;
1821 	if (rc) {
1822 		device_printf(sc->dev,
1823 			      "%s failed - cmd status: %d addi status: %d\n",
1824 			      __FUNCTION__, rc,
1825 			      fwcmd->hdr.u0.rsp.additional_status);
1826 		goto error;
1827 	}
1828 	eq->eq_id = HOST_16(fwcmd->params.rsp.eq_id);
1829 error:
1830 	return rc;
1831 }
1832 
1833 
1834 
1835 int
1836 oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce, uint32_t is_eventable)
1837 {
1838 	struct oce_mbx mbx;
1839 	struct mbx_create_common_cq *fwcmd;
1840 	POCE_SOFTC sc = cq->parent;
1841 	uint8_t version;
1842 	oce_cq_ctx_t *ctx;
1843 	uint32_t num_pages, page_size;
1844 	int rc = 0;
1845 
1846 
1847 	bzero(&mbx, sizeof(struct oce_mbx));
1848 
1849 	fwcmd = (struct mbx_create_common_cq *)&mbx.payload;
1850 
1851 	if (IS_XE201(sc))
1852 		version = OCE_MBX_VER_V2;
1853 	else
1854 		version = OCE_MBX_VER_V0;
1855 
1856 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1857 				MBX_SUBSYSTEM_COMMON,
1858 				OPCODE_COMMON_CREATE_CQ,
1859 				MBX_TIMEOUT_SEC,
1860 				sizeof(struct mbx_create_common_cq),
1861 				version);
1862 
1863 	ctx = &fwcmd->params.req.cq_ctx;
1864 
1865 	num_pages = oce_page_list(cq->ring, &fwcmd->params.req.pages[0]);
1866 	page_size =  1;  /* 1 for 4K */
1867 
1868 	if (version == OCE_MBX_VER_V2) {
1869 		ctx->v2.num_pages = LE_16(num_pages);
1870 		ctx->v2.page_size = page_size;
1871 		ctx->v2.eventable = is_eventable;
1872 		ctx->v2.valid = 1;
1873 		ctx->v2.count = OCE_LOG2(cq->cq_cfg.q_len / 256);
1874 		ctx->v2.nodelay = cq->cq_cfg.nodelay;
1875 		ctx->v2.coalesce_wm = ncoalesce;
1876 		ctx->v2.armed = 0;
1877 		ctx->v2.eq_id = cq->eq->eq_id;
1878 		if (ctx->v2.count == 3) {
1879 			if (cq->cq_cfg.q_len > (4*1024)-1)
1880 				ctx->v2.cqe_count = (4*1024)-1;
1881 			else
1882 				ctx->v2.cqe_count = cq->cq_cfg.q_len;
1883 		}
1884 	} else {
1885 		ctx->v0.num_pages = LE_16(num_pages);
1886 		ctx->v0.eventable = is_eventable;
1887 		ctx->v0.valid = 1;
1888 		ctx->v0.count = OCE_LOG2(cq->cq_cfg.q_len / 256);
1889 		ctx->v0.nodelay = cq->cq_cfg.nodelay;
1890 		ctx->v0.coalesce_wm = ncoalesce;
1891 		ctx->v0.armed = 0;
1892 		ctx->v0.eq_id = cq->eq->eq_id;
1893 	}
1894 
1895 	mbx.u0.s.embedded = 1;
1896 	mbx.payload_length = sizeof(struct mbx_create_common_cq);
1897 
1898 	rc = oce_mbox_post(sc, &mbx, NULL);
1899 	if (!rc)
1900                 rc = fwcmd->hdr.u0.rsp.status;
1901 	if (rc) {
1902 		device_printf(sc->dev,
1903 			      "%s failed - cmd status: %d addi status: %d\n",
1904 			      __FUNCTION__, rc,
1905 			      fwcmd->hdr.u0.rsp.additional_status);
1906 		goto error;
1907 	}
1908 	cq->cq_id = HOST_16(fwcmd->params.rsp.cq_id);
1909 error:
1910 	return rc;
1911 
1912 }
1913 
1914 int
1915 oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num)
1916 {
1917 	int rc = 0;
1918 	struct oce_mbx mbx;
1919 	struct mbx_read_common_transrecv_data *fwcmd;
1920 	struct oce_mq_sge *sgl;
1921 	OCE_DMA_MEM dma;
1922 
1923 	/* Allocate DMA mem*/
1924 	if (oce_dma_alloc(sc, sizeof(struct mbx_read_common_transrecv_data),
1925 				&dma, 0))
1926 		return ENOMEM;
1927 
1928 	fwcmd = OCE_DMAPTR(&dma, struct mbx_read_common_transrecv_data);
1929 	bzero(fwcmd, sizeof(struct mbx_read_common_transrecv_data));
1930 
1931 	bzero(&mbx, sizeof(struct oce_mbx));
1932 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1933 			MBX_SUBSYSTEM_COMMON,
1934 			OPCODE_COMMON_READ_TRANSRECEIVER_DATA,
1935 			MBX_TIMEOUT_SEC,
1936 			sizeof(struct mbx_read_common_transrecv_data),
1937 			OCE_MBX_VER_V0);
1938 
1939 	/* fill rest of mbx */
1940 	mbx.u0.s.embedded = 0;
1941 	mbx.payload_length = sizeof(struct mbx_read_common_transrecv_data);
1942 	mbx.u0.s.sge_count = 1;
1943 	sgl = &mbx.payload.u0.u1.sgl[0];
1944 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
1945 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
1946 	sgl->length = htole32(mbx.payload_length);
1947 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1948 
1949 	fwcmd->params.req.port = LE_32(sc->port_id);
1950 	fwcmd->params.req.page_num = LE_32(page_num);
1951 
1952 	/* command post */
1953 	rc = oce_mbox_post(sc, &mbx, NULL);
1954 	if (!rc)
1955 		rc = fwcmd->hdr.u0.rsp.status;
1956 	if (rc) {
1957 		device_printf(sc->dev,
1958 			      "%s failed - cmd status: %d addi status: %d\n",
1959 			      __FUNCTION__, rc,
1960 			      fwcmd->hdr.u0.rsp.additional_status);
1961 		goto error;
1962 	}
1963 	if(fwcmd->params.rsp.page_num == PAGE_NUM_A0)
1964 	{
1965 		bcopy((char *)fwcmd->params.rsp.page_data,
1966 				(char *)&sfp_vpd_dump_buffer[0],
1967 				TRANSCEIVER_A0_SIZE);
1968 	}
1969 
1970 	if(fwcmd->params.rsp.page_num == PAGE_NUM_A2)
1971 	{
1972 		bcopy((char *)fwcmd->params.rsp.page_data,
1973 				(char *)&sfp_vpd_dump_buffer[32],
1974 				TRANSCEIVER_A2_SIZE);
1975 	}
1976 error:
1977 	oce_dma_free(sc, &dma);
1978 	return rc;
1979 }
1980 
1981 void
1982 oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1983 				int num)
1984 {
1985 	struct oce_mbx mbx;
1986 	struct mbx_modify_common_eq_delay *fwcmd;
1987 	int rc = 0;
1988 	int i = 0;
1989 
1990 	bzero(&mbx, sizeof(struct oce_mbx));
1991 
1992 	/* Initialize MODIFY_EQ_DELAY ioctl header */
1993 	fwcmd = (struct mbx_modify_common_eq_delay *)&mbx.payload;
1994 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1995 				MBX_SUBSYSTEM_COMMON,
1996 				OPCODE_COMMON_MODIFY_EQ_DELAY,
1997 				MBX_TIMEOUT_SEC,
1998 				sizeof(struct mbx_modify_common_eq_delay),
1999 				OCE_MBX_VER_V0);
2000 	/* fill rest of mbx */
2001 	mbx.u0.s.embedded = 1;
2002 	mbx.payload_length = sizeof(struct mbx_modify_common_eq_delay);
2003 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2004 
2005 	fwcmd->params.req.num_eq = num;
2006 	for (i = 0; i < num; i++) {
2007 		fwcmd->params.req.delay[i].eq_id =
2008 					htole32(set_eqd[i].eq_id);
2009 		fwcmd->params.req.delay[i].phase = 0;
2010 		fwcmd->params.req.delay[i].dm =
2011 		htole32(set_eqd[i].delay_multiplier);
2012 	}
2013 
2014 
2015 	/* command post */
2016 	rc = oce_mbox_post(sc, &mbx, NULL);
2017 
2018 	if (!rc)
2019 		rc = fwcmd->hdr.u0.rsp.status;
2020 	if (rc)
2021 		device_printf(sc->dev,
2022 			      "%s failed - cmd status: %d addi status: %d\n",
2023 			      __FUNCTION__, rc,
2024 			      fwcmd->hdr.u0.rsp.additional_status);
2025 }
2026 
2027 int
2028 oce_get_profile_config(POCE_SOFTC sc)
2029 {
2030 	struct oce_mbx mbx;
2031 	struct mbx_common_get_profile_config *fwcmd;
2032 	int rc = 0;
2033 	int version = 0;
2034 	struct oce_mq_sge *sgl;
2035 	OCE_DMA_MEM dma;
2036 	uint32_t desc_count = 0;
2037 	struct oce_nic_resc_desc *nic_desc = NULL;
2038 	int i;
2039 	boolean_t nic_desc_valid = FALSE;
2040 
2041 	if (IS_BE2(sc))
2042 		return -1;
2043 
2044 	/* Allocate DMA mem*/
2045 	if (oce_dma_alloc(sc, sizeof(struct mbx_common_get_profile_config),
2046 			  &dma, 0))
2047 		return ENOMEM;
2048 
2049 	/* Initialize MODIFY_EQ_DELAY ioctl header */
2050 	fwcmd = OCE_DMAPTR(&dma, struct mbx_common_get_profile_config);
2051 	bzero(fwcmd, sizeof(struct mbx_common_get_profile_config));
2052 
2053 	if (IS_BE3(sc))
2054 		version = OCE_MBX_VER_V1;
2055 	else
2056 		version = OCE_MBX_VER_V0;
2057 
2058 	bzero(&mbx, sizeof(struct oce_mbx));
2059 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2060 				MBX_SUBSYSTEM_COMMON,
2061 				OPCODE_COMMON_GET_PROFILE_CONFIG,
2062 				MBX_TIMEOUT_SEC,
2063 				sizeof(struct mbx_common_get_profile_config),
2064 				version);
2065 	/* fill rest of mbx */
2066 	mbx.u0.s.embedded = 0;
2067 	mbx.payload_length = sizeof(struct mbx_common_get_profile_config);
2068 	mbx.u0.s.sge_count = 1;
2069 	sgl = &mbx.payload.u0.u1.sgl[0];
2070 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
2071 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
2072 	sgl->length = htole32(mbx.payload_length);
2073 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2074 
2075 	fwcmd->params.req.type = ACTIVE_PROFILE;
2076 
2077 	/* command post */
2078 	rc = oce_mbox_post(sc, &mbx, NULL);
2079 	if (!rc)
2080 		rc = fwcmd->hdr.u0.rsp.status;
2081 	if (rc) {
2082 		device_printf(sc->dev,
2083 			      "%s failed - cmd status: %d addi status: %d\n",
2084 			      __FUNCTION__, rc,
2085 			      fwcmd->hdr.u0.rsp.additional_status);
2086 		goto error;
2087 	}
2088 
2089 	nic_desc = (struct oce_nic_resc_desc *) fwcmd->params.rsp.resources;
2090 	desc_count = HOST_32(fwcmd->params.rsp.desc_count);
2091 	for (i = 0; i < desc_count; i++) {
2092 		if ((nic_desc->desc_type == NIC_RESC_DESC_TYPE_V0) ||
2093 		    (nic_desc->desc_type == NIC_RESC_DESC_TYPE_V1)) {
2094 			nic_desc_valid = TRUE;
2095 			break;
2096 		}
2097 		nic_desc = (struct oce_nic_resc_desc *) \
2098 				((char *)nic_desc + nic_desc->desc_len);
2099 	}
2100 	if (!nic_desc_valid) {
2101 		rc = -1;
2102 		goto error;
2103 	}
2104 	else {
2105 		sc->max_vlans = nic_desc->vlan_count;
2106 		sc->nwqs = HOST_32(nic_desc->txq_count);
2107 		if (sc->nwqs)
2108 			sc->nwqs = MIN(sc->nwqs, OCE_MAX_WQ);
2109 		else
2110 			sc->nwqs = OCE_MAX_WQ;
2111 
2112 	}
2113 error:
2114 	oce_dma_free(sc, &dma);
2115 	return rc;
2116 
2117 }
2118 
2119 int
2120 oce_get_func_config(POCE_SOFTC sc)
2121 {
2122 	struct oce_mbx mbx;
2123 	struct mbx_common_get_func_config *fwcmd;
2124 	int rc = 0;
2125 	int version = 0;
2126 	struct oce_mq_sge *sgl;
2127 	OCE_DMA_MEM dma;
2128 	uint32_t desc_count = 0;
2129 	struct oce_nic_resc_desc *nic_desc = NULL;
2130 	int i;
2131 	boolean_t nic_desc_valid = FALSE;
2132 	uint32_t max_rss = 0;
2133 
2134 	if ((IS_BE(sc) || IS_SH(sc)) && (!sc->be3_native))
2135 		max_rss = OCE_LEGACY_MODE_RSS;
2136 	else
2137 		max_rss = OCE_MAX_RSS;
2138 
2139 	/* Allocate DMA mem*/
2140 	if (oce_dma_alloc(sc, sizeof(struct mbx_common_get_func_config),
2141 			  &dma, 0))
2142 		return ENOMEM;
2143 
2144 	/* Initialize MODIFY_EQ_DELAY ioctl header */
2145 	fwcmd = OCE_DMAPTR(&dma, struct mbx_common_get_func_config);
2146 	bzero(fwcmd, sizeof(struct mbx_common_get_func_config));
2147 
2148 	if (IS_SH(sc))
2149 		version = OCE_MBX_VER_V1;
2150 	else
2151 		version = OCE_MBX_VER_V0;
2152 
2153 	bzero(&mbx, sizeof(struct oce_mbx));
2154 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2155 				MBX_SUBSYSTEM_COMMON,
2156 				OPCODE_COMMON_GET_FUNCTION_CONFIG,
2157 				MBX_TIMEOUT_SEC,
2158 				sizeof(struct mbx_common_get_func_config),
2159 				version);
2160 	/* fill rest of mbx */
2161 	mbx.u0.s.embedded = 0;
2162 	mbx.payload_length = sizeof(struct mbx_common_get_func_config);
2163 	mbx.u0.s.sge_count = 1;
2164 	sgl = &mbx.payload.u0.u1.sgl[0];
2165 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
2166 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
2167 	sgl->length = htole32(mbx.payload_length);
2168 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2169 
2170 	/* command post */
2171 	rc = oce_mbox_post(sc, &mbx, NULL);
2172 	if (!rc)
2173 		rc = fwcmd->hdr.u0.rsp.status;
2174 	if (rc) {
2175 		device_printf(sc->dev,
2176 			      "%s failed - cmd status: %d addi status: %d\n",
2177 			      __FUNCTION__, rc,
2178 			      fwcmd->hdr.u0.rsp.additional_status);
2179 		goto error;
2180 	}
2181 
2182 	nic_desc = (struct oce_nic_resc_desc *) fwcmd->params.rsp.resources;
2183 	desc_count = HOST_32(fwcmd->params.rsp.desc_count);
2184 	for (i = 0; i < desc_count; i++) {
2185 		if ((nic_desc->desc_type == NIC_RESC_DESC_TYPE_V0) ||
2186 		    (nic_desc->desc_type == NIC_RESC_DESC_TYPE_V1)) {
2187 			nic_desc_valid = TRUE;
2188 			break;
2189 		}
2190 		nic_desc = (struct oce_nic_resc_desc *) \
2191 				((char *)nic_desc + nic_desc->desc_len);
2192 	}
2193 	if (!nic_desc_valid) {
2194 		rc = -1;
2195 		goto error;
2196 	}
2197 	else {
2198 		sc->max_vlans = nic_desc->vlan_count;
2199 		sc->nwqs = HOST_32(nic_desc->txq_count);
2200                 if (sc->nwqs)
2201                         sc->nwqs = MIN(sc->nwqs, OCE_MAX_WQ);
2202                 else
2203                         sc->nwqs = OCE_MAX_WQ;
2204 
2205 		sc->nrssqs = HOST_32(nic_desc->rssq_count);
2206 		if (sc->nrssqs)
2207 			sc->nrssqs = MIN(sc->nrssqs, max_rss);
2208 		else
2209 			sc->nrssqs = max_rss;
2210 		sc->nrqs =  sc->nrssqs + 1; /* 1 for def RX */;
2211 	}
2212 error:
2213 	oce_dma_free(sc, &dma);
2214 	return rc;
2215 
2216 }
2217