xref: /freebsd/sys/dev/oce/oce_mbox.c (revision 48cb3fee25862a6adc10fe0b2c2dc15c7fd7fd9e)
1 /*-
2  * SPDX-License-Identifier: BSD-3-Clause
3  *
4  * Copyright (C) 2013 Emulex
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions are met:
9  *
10  * 1. Redistributions of source code must retain the above copyright notice,
11  *    this list of conditions and the following disclaimer.
12  *
13  * 2. Redistributions in binary form must reproduce the above copyright
14  *    notice, this list of conditions and the following disclaimer in the
15  *    documentation and/or other materials provided with the distribution.
16  *
17  * 3. Neither the name of the Emulex Corporation nor the names of its
18  *    contributors may be used to endorse or promote products derived from
19  *    this software without specific prior written permission.
20  *
21  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24  * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
25  * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
28  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
29  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
30  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31  * POSSIBILITY OF SUCH DAMAGE.
32  *
33  * Contact Information:
34  * freebsd-drivers@emulex.com
35  *
36  * Emulex
37  * 3333 Susan Street
38  * Costa Mesa, CA 92626
39  */
40 
41 /* $FreeBSD$ */
42 
43 #include "oce_if.h"
44 
45 int
46 oce_wait_ready(POCE_SOFTC sc)
47 {
48 #define SLIPORT_READY_TIMEOUT 30000
49 	uint32_t sliport_status, i;
50 
51 	if (!IS_XE201(sc))
52 		return (-1);
53 
54 	for (i = 0; i < SLIPORT_READY_TIMEOUT; i++) {
55 		sliport_status = OCE_READ_REG32(sc, db, SLIPORT_STATUS_OFFSET);
56 		if (sliport_status & SLIPORT_STATUS_RDY_MASK)
57 			return 0;
58 
59 		if (sliport_status & SLIPORT_STATUS_ERR_MASK &&
60 			!(sliport_status & SLIPORT_STATUS_RN_MASK)) {
61 			device_printf(sc->dev, "Error detected in the card\n");
62 			return EIO;
63 		}
64 
65 		DELAY(1000);
66 	}
67 
68 	device_printf(sc->dev, "Firmware wait timed out\n");
69 
70 	return (-1);
71 }
72 
73 /**
74  * @brief Reset (firmware) common function
75  * @param sc		software handle to the device
76  * @returns		0 on success, ETIMEDOUT on failure
77  */
78 int
79 oce_reset_fun(POCE_SOFTC sc)
80 {
81 	struct oce_mbx *mbx;
82 	struct oce_bmbx *mb;
83 	struct ioctl_common_function_reset *fwcmd;
84 	int rc = 0;
85 
86 	if (IS_XE201(sc)) {
87 		OCE_WRITE_REG32(sc, db, SLIPORT_CONTROL_OFFSET,
88 					SLI_PORT_CONTROL_IP_MASK);
89 
90 		rc = oce_wait_ready(sc);
91 		if (rc) {
92 			device_printf(sc->dev, "Firmware reset Failed\n");
93 		}
94 
95 		return rc;
96 	}
97 
98 	mb = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
99 	mbx = &mb->mbx;
100 	bzero(mbx, sizeof(struct oce_mbx));
101 
102 	fwcmd = (struct ioctl_common_function_reset *)&mbx->payload;
103 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
104 			MBX_SUBSYSTEM_COMMON,
105 			OPCODE_COMMON_FUNCTION_RESET,
106 			10,	/* MBX_TIMEOUT_SEC */
107 			sizeof(struct
108 				ioctl_common_function_reset),
109 			OCE_MBX_VER_V0);
110 
111 	mbx->u0.s.embedded = 1;
112 	mbx->payload_length =
113 		sizeof(struct ioctl_common_function_reset);
114 
115 	rc = oce_mbox_dispatch(sc, 2);
116 
117 	return rc;
118 }
119 
120 /**
121  * @brief  		This functions tells firmware we are
122  *			done with commands.
123  * @param sc            software handle to the device
124  * @returns             0 on success, ETIMEDOUT on failure
125  */
126 int
127 oce_fw_clean(POCE_SOFTC sc)
128 {
129 	struct oce_bmbx *mbx;
130 	uint8_t *ptr;
131 	int ret = 0;
132 
133 	mbx = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
134 	ptr = (uint8_t *) &mbx->mbx;
135 
136 	/* Endian Signature */
137 	*ptr++ = 0xff;
138 	*ptr++ = 0xaa;
139 	*ptr++ = 0xbb;
140 	*ptr++ = 0xff;
141 	*ptr++ = 0xff;
142 	*ptr++ = 0xcc;
143 	*ptr++ = 0xdd;
144 	*ptr = 0xff;
145 
146 	ret = oce_mbox_dispatch(sc, 2);
147 
148 	return ret;
149 }
150 
151 /**
152  * @brief Mailbox wait
153  * @param sc		software handle to the device
154  * @param tmo_sec	timeout in seconds
155  */
156 static int
157 oce_mbox_wait(POCE_SOFTC sc, uint32_t tmo_sec)
158 {
159 	tmo_sec *= 10000;
160 	pd_mpu_mbox_db_t mbox_db;
161 
162 	for (;;) {
163 		if (tmo_sec != 0) {
164 			if (--tmo_sec == 0)
165 				break;
166 		}
167 
168 		mbox_db.dw0 = OCE_READ_REG32(sc, db, PD_MPU_MBOX_DB);
169 
170 		if (mbox_db.bits.ready)
171 			return 0;
172 
173 		DELAY(100);
174 	}
175 
176 	device_printf(sc->dev, "Mailbox timed out\n");
177 
178 	return ETIMEDOUT;
179 }
180 
181 /**
182  * @brief Mailbox dispatch
183  * @param sc		software handle to the device
184  * @param tmo_sec	timeout in seconds
185  */
186 int
187 oce_mbox_dispatch(POCE_SOFTC sc, uint32_t tmo_sec)
188 {
189 	pd_mpu_mbox_db_t mbox_db;
190 	uint32_t pa;
191 	int rc;
192 
193 	oce_dma_sync(&sc->bsmbx, BUS_DMASYNC_PREWRITE);
194 	pa = (uint32_t) ((uint64_t) sc->bsmbx.paddr >> 34);
195 	bzero(&mbox_db, sizeof(pd_mpu_mbox_db_t));
196 	mbox_db.bits.ready = 0;
197 	mbox_db.bits.hi = 1;
198 	mbox_db.bits.address = pa;
199 
200 	rc = oce_mbox_wait(sc, tmo_sec);
201 	if (rc == 0) {
202 		OCE_WRITE_REG32(sc, db, PD_MPU_MBOX_DB, mbox_db.dw0);
203 
204 		pa = (uint32_t) ((uint64_t) sc->bsmbx.paddr >> 4) & 0x3fffffff;
205 		mbox_db.bits.ready = 0;
206 		mbox_db.bits.hi = 0;
207 		mbox_db.bits.address = pa;
208 
209 		rc = oce_mbox_wait(sc, tmo_sec);
210 
211 		if (rc == 0) {
212 			OCE_WRITE_REG32(sc, db, PD_MPU_MBOX_DB, mbox_db.dw0);
213 
214 			rc = oce_mbox_wait(sc, tmo_sec);
215 
216 			oce_dma_sync(&sc->bsmbx, BUS_DMASYNC_POSTWRITE);
217 		}
218 	}
219 
220 	return rc;
221 }
222 
223 /**
224  * @brief 		Mailbox common request header initialization
225  * @param hdr		mailbox header
226  * @param dom		domain
227  * @param port		port
228  * @param subsys	subsystem
229  * @param opcode	opcode
230  * @param timeout	timeout
231  * @param pyld_len	payload length
232  */
233 void
234 mbx_common_req_hdr_init(struct mbx_hdr *hdr,
235 			uint8_t dom, uint8_t port,
236 			uint8_t subsys, uint8_t opcode,
237 			uint32_t timeout, uint32_t pyld_len,
238 			uint8_t version)
239 {
240 	hdr->u0.req.opcode = opcode;
241 	hdr->u0.req.subsystem = subsys;
242 	hdr->u0.req.port_number = port;
243 	hdr->u0.req.domain = dom;
244 
245 	hdr->u0.req.timeout = timeout;
246 	hdr->u0.req.request_length = pyld_len - sizeof(struct mbx_hdr);
247 	hdr->u0.req.version = version;
248 }
249 
250 /**
251  * @brief Function to initialize the hw with host endian information
252  * @param sc		software handle to the device
253  * @returns		0 on success, ETIMEDOUT on failure
254  */
255 int
256 oce_mbox_init(POCE_SOFTC sc)
257 {
258 	struct oce_bmbx *mbx;
259 	uint8_t *ptr;
260 	int ret = 0;
261 
262 	if (sc->flags & OCE_FLAGS_MBOX_ENDIAN_RQD) {
263 		mbx = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
264 		ptr = (uint8_t *) &mbx->mbx;
265 
266 		/* Endian Signature */
267 		*ptr++ = 0xff;
268 		*ptr++ = 0x12;
269 		*ptr++ = 0x34;
270 		*ptr++ = 0xff;
271 		*ptr++ = 0xff;
272 		*ptr++ = 0x56;
273 		*ptr++ = 0x78;
274 		*ptr = 0xff;
275 
276 		ret = oce_mbox_dispatch(sc, 0);
277 	}
278 
279 	return ret;
280 }
281 
282 /**
283  * @brief 		Function to get the firmware version
284  * @param sc		software handle to the device
285  * @returns		0 on success, EIO on failure
286  */
287 int
288 oce_get_fw_version(POCE_SOFTC sc)
289 {
290 	struct oce_mbx mbx;
291 	struct mbx_get_common_fw_version *fwcmd;
292 	int ret = 0;
293 
294 	bzero(&mbx, sizeof(struct oce_mbx));
295 
296 	fwcmd = (struct mbx_get_common_fw_version *)&mbx.payload;
297 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
298 				MBX_SUBSYSTEM_COMMON,
299 				OPCODE_COMMON_GET_FW_VERSION,
300 				MBX_TIMEOUT_SEC,
301 				sizeof(struct mbx_get_common_fw_version),
302 				OCE_MBX_VER_V0);
303 
304 	mbx.u0.s.embedded = 1;
305 	mbx.payload_length = sizeof(struct mbx_get_common_fw_version);
306 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
307 
308 	ret = oce_mbox_post(sc, &mbx, NULL);
309 	if (!ret)
310                 ret = fwcmd->hdr.u0.rsp.status;
311 	if (ret) {
312 		device_printf(sc->dev,
313 			      "%s failed - cmd status: %d addi status: %d\n",
314 			      __FUNCTION__, ret,
315 			      fwcmd->hdr.u0.rsp.additional_status);
316 		goto error;
317 	}
318 
319 	bcopy(fwcmd->params.rsp.fw_ver_str, sc->fw_version, 32);
320 error:
321 	return ret;
322 }
323 
324 /**
325  * @brief	Firmware will send gracious notifications during
326  *		attach only after sending first mcc commnad. We
327  *		use MCC queue only for getting async and mailbox
328  *		for sending cmds. So to get gracious notifications
329  *		atleast send one dummy command on mcc.
330  */
331 int
332 oce_first_mcc_cmd(POCE_SOFTC sc)
333 {
334 	struct oce_mbx *mbx;
335 	struct oce_mq *mq = sc->mq;
336 	struct mbx_get_common_fw_version *fwcmd;
337 	uint32_t reg_value;
338 
339 	mbx = RING_GET_PRODUCER_ITEM_VA(mq->ring, struct oce_mbx);
340 	bzero(mbx, sizeof(struct oce_mbx));
341 
342 	fwcmd = (struct mbx_get_common_fw_version *)&mbx->payload;
343 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
344 				MBX_SUBSYSTEM_COMMON,
345 				OPCODE_COMMON_GET_FW_VERSION,
346 				MBX_TIMEOUT_SEC,
347 				sizeof(struct mbx_get_common_fw_version),
348 				OCE_MBX_VER_V0);
349 	mbx->u0.s.embedded = 1;
350 	mbx->payload_length = sizeof(struct mbx_get_common_fw_version);
351 	bus_dmamap_sync(mq->ring->dma.tag, mq->ring->dma.map,
352 				BUS_DMASYNC_PREREAD | BUS_DMASYNC_PREWRITE);
353 	RING_PUT(mq->ring, 1);
354 	reg_value = (1 << 16) | mq->mq_id;
355 	OCE_WRITE_REG32(sc, db, PD_MQ_DB, reg_value);
356 
357 	return 0;
358 }
359 
360 /**
361  * @brief		Function to post a MBX to the mbox
362  * @param sc		software handle to the device
363  * @param mbx 		pointer to the MBX to send
364  * @param mbxctx	pointer to the mbx context structure
365  * @returns		0 on success, error on failure
366  */
367 int
368 oce_mbox_post(POCE_SOFTC sc, struct oce_mbx *mbx, struct oce_mbx_ctx *mbxctx)
369 {
370 	struct oce_mbx *mb_mbx = NULL;
371 	struct oce_mq_cqe *mb_cqe = NULL;
372 	struct oce_bmbx *mb = NULL;
373 	int rc = 0;
374 	uint32_t tmo = 0;
375 	uint32_t cstatus = 0;
376 	uint32_t xstatus = 0;
377 
378 	LOCK(&sc->bmbx_lock);
379 
380 	mb = OCE_DMAPTR(&sc->bsmbx, struct oce_bmbx);
381 	mb_mbx = &mb->mbx;
382 
383 	/* get the tmo */
384 	tmo = mbx->tag[0];
385 	mbx->tag[0] = 0;
386 
387 	/* copy mbx into mbox */
388 	bcopy(mbx, mb_mbx, sizeof(struct oce_mbx));
389 
390 	/* now dispatch */
391 	rc = oce_mbox_dispatch(sc, tmo);
392 	if (rc == 0) {
393 		/*
394 		 * the command completed successfully. Now get the
395 		 * completion queue entry
396 		 */
397 		mb_cqe = &mb->cqe;
398 		DW_SWAP(u32ptr(&mb_cqe->u0.dw[0]), sizeof(struct oce_mq_cqe));
399 
400 		/* copy mbox mbx back */
401 		bcopy(mb_mbx, mbx, sizeof(struct oce_mbx));
402 
403 		/* pick up the mailbox status */
404 		cstatus = mb_cqe->u0.s.completion_status;
405 		xstatus = mb_cqe->u0.s.extended_status;
406 
407 		/*
408 		 * store the mbx context in the cqe tag section so that
409 		 * the upper layer handling the cqe can associate the mbx
410 		 * with the response
411 		 */
412 		if (cstatus == 0 && mbxctx) {
413 			/* save context */
414 			mbxctx->mbx = mb_mbx;
415 			bcopy(&mbxctx, mb_cqe->u0.s.mq_tag,
416 				sizeof(struct oce_mbx_ctx *));
417 		}
418 	}
419 
420 	UNLOCK(&sc->bmbx_lock);
421 
422 	return rc;
423 }
424 
425 /**
426  * @brief Function to read the mac address associated with an interface
427  * @param sc		software handle to the device
428  * @param if_id 	interface id to read the address from
429  * @param perm 		set to 1 if reading the factory mac address.
430  *			In this case if_id is ignored
431  * @param type 		type of the mac address, whether network or storage
432  * @param[out] mac 	[OUTPUT] pointer to a buffer containing the
433  *			mac address when the command succeeds.
434  * @returns		0 on success, EIO on failure
435  */
436 int
437 oce_read_mac_addr(POCE_SOFTC sc, uint32_t if_id,
438 		uint8_t perm, uint8_t type, struct mac_address_format *mac)
439 {
440 	struct oce_mbx mbx;
441 	struct mbx_query_common_iface_mac *fwcmd;
442 	int ret = 0;
443 
444 	bzero(&mbx, sizeof(struct oce_mbx));
445 
446 	fwcmd = (struct mbx_query_common_iface_mac *)&mbx.payload;
447 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
448 				MBX_SUBSYSTEM_COMMON,
449 				OPCODE_COMMON_QUERY_IFACE_MAC,
450 				MBX_TIMEOUT_SEC,
451 				sizeof(struct mbx_query_common_iface_mac),
452 				OCE_MBX_VER_V0);
453 
454 	fwcmd->params.req.permanent = perm;
455 	if (!perm)
456 		fwcmd->params.req.if_id = (uint16_t) if_id;
457 	else
458 		fwcmd->params.req.if_id = 0;
459 
460 	fwcmd->params.req.type = type;
461 
462 	mbx.u0.s.embedded = 1;
463 	mbx.payload_length = sizeof(struct mbx_query_common_iface_mac);
464 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
465 
466 	ret = oce_mbox_post(sc, &mbx, NULL);
467 	if (!ret)
468                 ret = fwcmd->hdr.u0.rsp.status;
469 	if (ret) {
470 		device_printf(sc->dev,
471 			      "%s failed - cmd status: %d addi status: %d\n",
472 			      __FUNCTION__, ret,
473 			      fwcmd->hdr.u0.rsp.additional_status);
474 		goto error;
475 	}
476 
477 	/* copy the mac addres in the output parameter */
478 	mac->size_of_struct = fwcmd->params.rsp.mac.size_of_struct;
479 	bcopy(&fwcmd->params.rsp.mac.mac_addr[0], &mac->mac_addr[0],
480 		mac->size_of_struct);
481 error:
482 	return ret;
483 }
484 
485 /**
486  * @brief Function to query the fw attributes from the hw
487  * @param sc		software handle to the device
488  * @returns		0 on success, EIO on failure
489  */
490 int
491 oce_get_fw_config(POCE_SOFTC sc)
492 {
493 	struct oce_mbx mbx;
494 	struct mbx_common_query_fw_config *fwcmd;
495 	int ret = 0;
496 
497 	bzero(&mbx, sizeof(struct oce_mbx));
498 
499 	fwcmd = (struct mbx_common_query_fw_config *)&mbx.payload;
500 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
501 				MBX_SUBSYSTEM_COMMON,
502 				OPCODE_COMMON_QUERY_FIRMWARE_CONFIG,
503 				MBX_TIMEOUT_SEC,
504 				sizeof(struct mbx_common_query_fw_config),
505 				OCE_MBX_VER_V0);
506 
507 	mbx.u0.s.embedded = 1;
508 	mbx.payload_length = sizeof(struct mbx_common_query_fw_config);
509 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
510 
511 	ret = oce_mbox_post(sc, &mbx, NULL);
512 	if (!ret)
513                 ret = fwcmd->hdr.u0.rsp.status;
514 	if (ret) {
515 		device_printf(sc->dev,
516 			      "%s failed - cmd status: %d addi status: %d\n",
517 			      __FUNCTION__, ret,
518 			      fwcmd->hdr.u0.rsp.additional_status);
519 		goto error;
520 	}
521 
522 	DW_SWAP(u32ptr(fwcmd), sizeof(struct mbx_common_query_fw_config));
523 
524 	sc->config_number = HOST_32(fwcmd->params.rsp.config_number);
525 	sc->asic_revision = HOST_32(fwcmd->params.rsp.asic_revision);
526 	sc->port_id	  = HOST_32(fwcmd->params.rsp.port_id);
527 	sc->function_mode = HOST_32(fwcmd->params.rsp.function_mode);
528 	if ((sc->function_mode & (ULP_NIC_MODE | ULP_RDMA_MODE)) ==
529 	    (ULP_NIC_MODE | ULP_RDMA_MODE)) {
530 	  sc->rdma_flags = OCE_RDMA_FLAG_SUPPORTED;
531 	}
532 	sc->function_caps = HOST_32(fwcmd->params.rsp.function_caps);
533 
534 	if (fwcmd->params.rsp.ulp[0].ulp_mode & ULP_NIC_MODE) {
535 		sc->max_tx_rings = HOST_32(fwcmd->params.rsp.ulp[0].nic_wq_tot);
536 		sc->max_rx_rings = HOST_32(fwcmd->params.rsp.ulp[0].lro_rqid_tot);
537 	} else {
538 		sc->max_tx_rings = HOST_32(fwcmd->params.rsp.ulp[1].nic_wq_tot);
539 		sc->max_rx_rings = HOST_32(fwcmd->params.rsp.ulp[1].lro_rqid_tot);
540 	}
541 
542 error:
543 	return ret;
544 
545 }
546 
547 /**
548  *
549  * @brief function to create a device interface
550  * @param sc		software handle to the device
551  * @param cap_flags	capability flags
552  * @param en_flags	enable capability flags
553  * @param vlan_tag	optional vlan tag to associate with the if
554  * @param mac_addr	pointer to a buffer containing the mac address
555  * @param[out] if_id	[OUTPUT] pointer to an integer to hold the ID of the
556  interface created
557  * @returns		0 on success, EIO on failure
558  */
559 int
560 oce_if_create(POCE_SOFTC sc,
561 		uint32_t cap_flags,
562 		uint32_t en_flags,
563 		uint16_t vlan_tag,
564 		uint8_t *mac_addr,
565 		uint32_t *if_id)
566 {
567 	struct oce_mbx mbx;
568 	struct mbx_create_common_iface *fwcmd;
569 	int rc = 0;
570 
571 	bzero(&mbx, sizeof(struct oce_mbx));
572 
573 	fwcmd = (struct mbx_create_common_iface *)&mbx.payload;
574 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
575 				MBX_SUBSYSTEM_COMMON,
576 				OPCODE_COMMON_CREATE_IFACE,
577 				MBX_TIMEOUT_SEC,
578 				sizeof(struct mbx_create_common_iface),
579 				OCE_MBX_VER_V0);
580 	DW_SWAP(u32ptr(&fwcmd->hdr), sizeof(struct mbx_hdr));
581 
582 	fwcmd->params.req.version = 0;
583 	fwcmd->params.req.cap_flags = LE_32(cap_flags);
584 	fwcmd->params.req.enable_flags = LE_32(en_flags);
585 	if (mac_addr != NULL) {
586 		bcopy(mac_addr, &fwcmd->params.req.mac_addr[0], 6);
587 		fwcmd->params.req.vlan_tag.u0.normal.vtag = LE_16(vlan_tag);
588 		fwcmd->params.req.mac_invalid = 0;
589 	} else {
590 		fwcmd->params.req.mac_invalid = 1;
591 	}
592 
593 	mbx.u0.s.embedded = 1;
594 	mbx.payload_length = sizeof(struct mbx_create_common_iface);
595 	DW_SWAP(u32ptr(&mbx), OCE_BMBX_RHDR_SZ);
596 
597 	rc = oce_mbox_post(sc, &mbx, NULL);
598 	if (!rc)
599                 rc = fwcmd->hdr.u0.rsp.status;
600 	if (rc) {
601 		device_printf(sc->dev,
602 			      "%s failed - cmd status: %d addi status: %d\n",
603 			      __FUNCTION__, rc,
604 			      fwcmd->hdr.u0.rsp.additional_status);
605 		goto error;
606 	}
607 
608 	*if_id = HOST_32(fwcmd->params.rsp.if_id);
609 
610 	if (mac_addr != NULL)
611 		sc->pmac_id = HOST_32(fwcmd->params.rsp.pmac_id);
612 error:
613 	return rc;
614 }
615 
616 /**
617  * @brief		Function to delete an interface
618  * @param sc 		software handle to the device
619  * @param if_id		ID of the interface to delete
620  * @returns		0 on success, EIO on failure
621  */
622 int
623 oce_if_del(POCE_SOFTC sc, uint32_t if_id)
624 {
625 	struct oce_mbx mbx;
626 	struct mbx_destroy_common_iface *fwcmd;
627 	int rc = 0;
628 
629 	bzero(&mbx, sizeof(struct oce_mbx));
630 
631 	fwcmd = (struct mbx_destroy_common_iface *)&mbx.payload;
632 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
633 				MBX_SUBSYSTEM_COMMON,
634 				OPCODE_COMMON_DESTROY_IFACE,
635 				MBX_TIMEOUT_SEC,
636 				sizeof(struct mbx_destroy_common_iface),
637 				OCE_MBX_VER_V0);
638 
639 	fwcmd->params.req.if_id = if_id;
640 
641 	mbx.u0.s.embedded = 1;
642 	mbx.payload_length = sizeof(struct mbx_destroy_common_iface);
643 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
644 
645 	rc = oce_mbox_post(sc, &mbx, NULL);
646 	if (!rc)
647                 rc = fwcmd->hdr.u0.rsp.status;
648 	if (rc)
649 		device_printf(sc->dev,
650 			      "%s failed - cmd status: %d addi status: %d\n",
651 			      __FUNCTION__, rc,
652 			      fwcmd->hdr.u0.rsp.additional_status);
653 	return rc;
654 }
655 
656 /**
657  * @brief Function to send the mbx command to configure vlan
658  * @param sc 		software handle to the device
659  * @param if_id 	interface identifier index
660  * @param vtag_arr	array of vlan tags
661  * @param vtag_cnt	number of elements in array
662  * @param untagged	boolean TRUE/FLASE
663  * @param enable_promisc flag to enable/disable VLAN promiscuous mode
664  * @returns		0 on success, EIO on failure
665  */
666 int
667 oce_config_vlan(POCE_SOFTC sc,
668 		uint32_t if_id,
669 		struct normal_vlan *vtag_arr,
670 		uint8_t vtag_cnt, uint32_t untagged, uint32_t enable_promisc)
671 {
672 	struct oce_mbx mbx;
673 	struct mbx_common_config_vlan *fwcmd;
674 	int rc = 0;
675 
676 	if (sc->vlans_added > sc->max_vlans)
677 		goto vlan_promisc;
678 
679 	bzero(&mbx, sizeof(struct oce_mbx));
680 	fwcmd = (struct mbx_common_config_vlan *)&mbx.payload;
681 
682 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
683 				MBX_SUBSYSTEM_COMMON,
684 				OPCODE_COMMON_CONFIG_IFACE_VLAN,
685 				MBX_TIMEOUT_SEC,
686 				sizeof(struct mbx_common_config_vlan),
687 				OCE_MBX_VER_V0);
688 
689 	fwcmd->params.req.if_id = (uint8_t) if_id;
690 	fwcmd->params.req.promisc = (uint8_t) enable_promisc;
691 	fwcmd->params.req.untagged = (uint8_t) untagged;
692 	fwcmd->params.req.num_vlans = vtag_cnt;
693 
694 	if (!enable_promisc) {
695 		bcopy(vtag_arr, fwcmd->params.req.tags.normal_vlans,
696 			vtag_cnt * sizeof(struct normal_vlan));
697 	}
698 	mbx.u0.s.embedded = 1;
699 	mbx.payload_length = sizeof(struct mbx_common_config_vlan);
700 	DW_SWAP(u32ptr(&mbx), (OCE_BMBX_RHDR_SZ + mbx.payload_length));
701 
702 	rc = oce_mbox_post(sc, &mbx, NULL);
703 	if (!rc)
704                 rc = fwcmd->hdr.u0.rsp.status;
705 	if (rc)
706 		device_printf(sc->dev,
707 			      "%s failed - cmd status: %d addi status: %d\n",
708 			      __FUNCTION__, rc,
709 			      fwcmd->hdr.u0.rsp.additional_status);
710 
711 	goto done;
712 
713 vlan_promisc:
714 	/* Enable Vlan Promis */
715 	oce_rxf_set_promiscuous(sc, (1 << 1));
716 	device_printf(sc->dev,"Enabling Vlan Promisc Mode\n");
717 done:
718 	return rc;
719 
720 }
721 
722 /**
723  * @brief Function to set flow control capability in the hardware
724  * @param sc 		software handle to the device
725  * @param flow_control	flow control flags to set
726  * @returns		0 on success, EIO on failure
727  */
728 int
729 oce_set_flow_control(POCE_SOFTC sc, uint32_t flow_control)
730 {
731 	struct oce_mbx mbx;
732 	struct mbx_common_get_set_flow_control *fwcmd =
733 		(struct mbx_common_get_set_flow_control *)&mbx.payload;
734 	int rc;
735 
736 	bzero(&mbx, sizeof(struct oce_mbx));
737 
738 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
739 				MBX_SUBSYSTEM_COMMON,
740 				OPCODE_COMMON_SET_FLOW_CONTROL,
741 				MBX_TIMEOUT_SEC,
742 				sizeof(struct mbx_common_get_set_flow_control),
743 				OCE_MBX_VER_V0);
744 
745 	if (flow_control & OCE_FC_TX)
746 		fwcmd->tx_flow_control = 1;
747 
748 	if (flow_control & OCE_FC_RX)
749 		fwcmd->rx_flow_control = 1;
750 
751 	mbx.u0.s.embedded = 1;
752 	mbx.payload_length = sizeof(struct mbx_common_get_set_flow_control);
753 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
754 
755 	rc = oce_mbox_post(sc, &mbx, NULL);
756 	if (!rc)
757                 rc = fwcmd->hdr.u0.rsp.status;
758 	if (rc)
759 		device_printf(sc->dev,
760 			      "%s failed - cmd status: %d addi status: %d\n",
761 			      __FUNCTION__, rc,
762 			      fwcmd->hdr.u0.rsp.additional_status);
763 	return rc;
764 }
765 
766 /**
767  * @brief Initialize the RSS CPU indirection table
768  *
769  * The table is used to choose the queue to place the incomming packets.
770  * Incomming packets are hashed.  The lowest bits in the hash result
771  * are used as the index into the CPU indirection table.
772  * Each entry in the table contains the RSS CPU-ID returned by the NIC
773  * create.  Based on the CPU ID, the receive completion is routed to
774  * the corresponding RSS CQs.  (Non-RSS packets are always completed
775  * on the default (0) CQ).
776  *
777  * @param sc 		software handle to the device
778  * @param *fwcmd	pointer to the rss mbox command
779  * @returns		none
780  */
781 static int
782 oce_rss_itbl_init(POCE_SOFTC sc, struct mbx_config_nic_rss *fwcmd)
783 {
784 	int i = 0, j = 0, rc = 0;
785 	uint8_t *tbl = fwcmd->params.req.cputable;
786 	struct oce_rq *rq = NULL;
787 
788 	for (j = 0; j < INDIRECTION_TABLE_ENTRIES ; j += (sc->nrqs - 1)) {
789 		for_all_rss_queues(sc, rq, i) {
790 			if ((j + i) >= INDIRECTION_TABLE_ENTRIES)
791 				break;
792 			tbl[j + i] = rq->rss_cpuid;
793 		}
794 	}
795 	if (i == 0) {
796 		device_printf(sc->dev, "error: Invalid number of RSS RQ's\n");
797 		rc = ENXIO;
798 
799 	}
800 
801 	/* fill log2 value indicating the size of the CPU table */
802 	if (rc == 0)
803 		fwcmd->params.req.cpu_tbl_sz_log2 = LE_16(OCE_LOG2(INDIRECTION_TABLE_ENTRIES));
804 
805 	return rc;
806 }
807 
808 /**
809  * @brief Function to set flow control capability in the hardware
810  * @param sc 		software handle to the device
811  * @param if_id 	interface id to read the address from
812  * @param enable_rss	0=disable, RSS_ENABLE_xxx flags otherwise
813  * @returns		0 on success, EIO on failure
814  */
815 int
816 oce_config_nic_rss(POCE_SOFTC sc, uint32_t if_id, uint16_t enable_rss)
817 {
818 	int rc;
819 	struct oce_mbx mbx;
820 	struct mbx_config_nic_rss *fwcmd =
821 				(struct mbx_config_nic_rss *)&mbx.payload;
822 	int version;
823 
824 	bzero(&mbx, sizeof(struct oce_mbx));
825 
826 	if (IS_XE201(sc) || IS_SH(sc)) {
827 		version = OCE_MBX_VER_V1;
828 		fwcmd->params.req.enable_rss = RSS_ENABLE_UDP_IPV4 |
829 					       RSS_ENABLE_UDP_IPV6;
830 	} else
831 		version = OCE_MBX_VER_V0;
832 
833 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
834 				MBX_SUBSYSTEM_NIC,
835 				NIC_CONFIG_RSS,
836 				MBX_TIMEOUT_SEC,
837 				sizeof(struct mbx_config_nic_rss),
838 				version);
839 	if (enable_rss)
840 		fwcmd->params.req.enable_rss |= (RSS_ENABLE_IPV4 |
841 					         RSS_ENABLE_TCP_IPV4 |
842 						 RSS_ENABLE_IPV6 |
843 						 RSS_ENABLE_TCP_IPV6);
844 
845 	if(!sc->enable_hwlro)
846 		fwcmd->params.req.flush = OCE_FLUSH;
847 	else
848 		fwcmd->params.req.flush = 0;
849 
850 	fwcmd->params.req.if_id = LE_32(if_id);
851 
852 	read_random(fwcmd->params.req.hash, sizeof(fwcmd->params.req.hash));
853 
854 	rc = oce_rss_itbl_init(sc, fwcmd);
855 	if (rc == 0) {
856 		mbx.u0.s.embedded = 1;
857 		mbx.payload_length = sizeof(struct mbx_config_nic_rss);
858 		DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
859 
860 		rc = oce_mbox_post(sc, &mbx, NULL);
861 		if (!rc)
862                 	rc = fwcmd->hdr.u0.rsp.status;
863 		if (rc)
864 		device_printf(sc->dev,
865 			      "%s failed - cmd status: %d addi status: %d\n",
866 			      __FUNCTION__, rc,
867 			      fwcmd->hdr.u0.rsp.additional_status);
868 	}
869 	return rc;
870 }
871 
872 /**
873  * @brief 		RXF function to enable/disable device promiscuous mode
874  * @param sc		software handle to the device
875  * @param enable	enable/disable flag
876  * @returns		0 on success, EIO on failure
877  * @note
878  *	The NIC_CONFIG_PROMISCUOUS command deprecated for Lancer.
879  *	This function uses the COMMON_SET_IFACE_RX_FILTER command instead.
880  */
881 int
882 oce_rxf_set_promiscuous(POCE_SOFTC sc, uint8_t enable)
883 {
884 	struct mbx_set_common_iface_rx_filter *fwcmd;
885 	int sz = sizeof(struct mbx_set_common_iface_rx_filter);
886 	iface_rx_filter_ctx_t *req;
887 	OCE_DMA_MEM sgl;
888 	int rc;
889 
890 	/* allocate mbx payload's dma scatter/gather memory */
891 	rc = oce_dma_alloc(sc, sz, &sgl, 0);
892 	if (rc)
893 		return rc;
894 
895 	fwcmd = OCE_DMAPTR(&sgl, struct mbx_set_common_iface_rx_filter);
896 
897 	req =  &fwcmd->params.req;
898 	req->iface_flags_mask = MBX_RX_IFACE_FLAGS_PROMISCUOUS |
899 				MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
900 	/* Bit 0 Mac promisc, Bit 1 Vlan promisc */
901 	if (enable & 0x01)
902 		req->iface_flags = MBX_RX_IFACE_FLAGS_PROMISCUOUS;
903 
904 	if (enable & 0x02)
905 		req->iface_flags |= MBX_RX_IFACE_FLAGS_VLAN_PROMISCUOUS;
906 
907 	req->if_id = sc->if_id;
908 
909 	rc = oce_set_common_iface_rx_filter(sc, &sgl);
910 	oce_dma_free(sc, &sgl);
911 
912 	return rc;
913 }
914 
915 /**
916  * @brief 			Function modify and select rx filter options
917  * @param sc			software handle to the device
918  * @param sgl			scatter/gather request/response
919  * @returns			0 on success, error code on failure
920  */
921 int
922 oce_set_common_iface_rx_filter(POCE_SOFTC sc, POCE_DMA_MEM sgl)
923 {
924 	struct oce_mbx mbx;
925 	int mbx_sz = sizeof(struct mbx_set_common_iface_rx_filter);
926 	struct mbx_set_common_iface_rx_filter *fwcmd;
927 	int rc;
928 
929 	bzero(&mbx, sizeof(struct oce_mbx));
930 	fwcmd = OCE_DMAPTR(sgl, struct mbx_set_common_iface_rx_filter);
931 
932 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
933 				MBX_SUBSYSTEM_COMMON,
934 				OPCODE_COMMON_SET_IFACE_RX_FILTER,
935 				MBX_TIMEOUT_SEC,
936 				mbx_sz,
937 				OCE_MBX_VER_V0);
938 
939 	oce_dma_sync(sgl, BUS_DMASYNC_PREWRITE);
940 	mbx.u0.s.embedded = 0;
941 	mbx.u0.s.sge_count = 1;
942 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(sgl->paddr);
943 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(sgl->paddr);
944 	mbx.payload.u0.u1.sgl[0].length = mbx_sz;
945 	mbx.payload_length = mbx_sz;
946 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
947 
948 	rc = oce_mbox_post(sc, &mbx, NULL);
949 	if (!rc)
950                 rc = fwcmd->hdr.u0.rsp.status;
951 	if (rc)
952 		device_printf(sc->dev,
953 			      "%s failed - cmd status: %d addi status: %d\n",
954 			      __FUNCTION__, rc,
955 			      fwcmd->hdr.u0.rsp.additional_status);
956 	return rc;
957 }
958 
959 /**
960  * @brief Function to query the link status from the hardware
961  * @param sc 		software handle to the device
962  * @param[out] link	pointer to the structure returning link attributes
963  * @returns		0 on success, EIO on failure
964  */
965 int
966 oce_get_link_status(POCE_SOFTC sc, struct link_status *link)
967 {
968 	struct oce_mbx mbx;
969 	struct mbx_query_common_link_config *fwcmd;
970 	int rc = 0, version;
971 
972 	bzero(&mbx, sizeof(struct oce_mbx));
973 
974 	IS_BE2(sc) ? (version = OCE_MBX_VER_V0) : (version = OCE_MBX_VER_V1);
975 
976 	fwcmd = (struct mbx_query_common_link_config *)&mbx.payload;
977 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
978 				MBX_SUBSYSTEM_COMMON,
979 				OPCODE_COMMON_QUERY_LINK_CONFIG,
980 				MBX_TIMEOUT_SEC,
981 				sizeof(struct mbx_query_common_link_config),
982 				version);
983 
984 	mbx.u0.s.embedded = 1;
985 	mbx.payload_length = sizeof(struct mbx_query_common_link_config);
986 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
987 
988 	rc = oce_mbox_post(sc, &mbx, NULL);
989 
990 	if (!rc)
991                 rc = fwcmd->hdr.u0.rsp.status;
992 	if (rc) {
993 		device_printf(sc->dev,
994 			      "%s failed - cmd status: %d addi status: %d\n",
995 			      __FUNCTION__, rc,
996 			      fwcmd->hdr.u0.rsp.additional_status);
997 		goto error;
998 	}
999 	/* interpret response */
1000 	link->qos_link_speed = HOST_16(fwcmd->params.rsp.qos_link_speed);
1001 	link->phys_port_speed = fwcmd->params.rsp.physical_port_speed;
1002 	link->logical_link_status = fwcmd->params.rsp.logical_link_status;
1003 error:
1004 	return rc;
1005 }
1006 
1007 /**
1008  * @brief Function to get NIC statistics
1009  * @param sc            software handle to the device
1010  * @param *stats        pointer to where to store statistics
1011  * @param reset_stats   resets statistics of set
1012  * @returns             0 on success, EIO on failure
1013  * @note                command depricated in Lancer
1014  */
1015 #define OCE_MBOX_GET_NIC_STATS(sc, pstats_dma_mem, version) 				\
1016 int 											\
1017 oce_mbox_get_nic_stats_v##version(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem) 		\
1018 { 											\
1019         struct oce_mbx mbx; 								\
1020         struct mbx_get_nic_stats_v##version *fwcmd; 					\
1021         int rc = 0; 									\
1022 											\
1023         bzero(&mbx, sizeof(struct oce_mbx)); 						\
1024         fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_nic_stats_v##version); 	\
1025         bzero(fwcmd, sizeof(*fwcmd)); 							\
1026 											\
1027         mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0, 					\
1028                                 MBX_SUBSYSTEM_NIC, 					\
1029                                 NIC_GET_STATS, 						\
1030                                 MBX_TIMEOUT_SEC, 					\
1031                                 sizeof(*fwcmd), 					\
1032                                 OCE_MBX_VER_V##version); 				\
1033 											\
1034         mbx.u0.s.embedded = 0;  /* stats too large for embedded mbx rsp */ 		\
1035         mbx.u0.s.sge_count = 1; /* using scatter gather instead */ 			\
1036 											\
1037         oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE); 				\
1038         mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);		\
1039         mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr); 		\
1040         mbx.payload.u0.u1.sgl[0].length = sizeof(*fwcmd); 				\
1041         mbx.payload_length = sizeof(*fwcmd); 						\
1042         DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ); 			\
1043 											\
1044         rc = oce_mbox_post(sc, &mbx, NULL); 						\
1045         oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE); 				\
1046         if (!rc) 									\
1047                 rc = fwcmd->hdr.u0.rsp.status; 						\
1048         if (rc) 									\
1049                 device_printf(sc->dev, 							\
1050                               "%s failed - cmd status: %d addi status: %d\n", 		\
1051                               __FUNCTION__, rc, 					\
1052                               fwcmd->hdr.u0.rsp.additional_status); 			\
1053         return rc; 									\
1054 }
1055 
1056 OCE_MBOX_GET_NIC_STATS(sc, pstats_dma_mem, 0);
1057 OCE_MBOX_GET_NIC_STATS(sc, pstats_dma_mem, 1);
1058 OCE_MBOX_GET_NIC_STATS(sc, pstats_dma_mem, 2);
1059 
1060 /**
1061  * @brief Function to get pport (physical port) statistics
1062  * @param sc 		software handle to the device
1063  * @param *stats	pointer to where to store statistics
1064  * @param reset_stats	resets statistics of set
1065  * @returns		0 on success, EIO on failure
1066  */
1067 int
1068 oce_mbox_get_pport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1069 				uint32_t reset_stats)
1070 {
1071 	struct oce_mbx mbx;
1072 	struct mbx_get_pport_stats *fwcmd;
1073 	int rc = 0;
1074 
1075 	bzero(&mbx, sizeof(struct oce_mbx));
1076 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_pport_stats);
1077 	bzero(fwcmd, sizeof(struct mbx_get_pport_stats));
1078 
1079 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1080 				MBX_SUBSYSTEM_NIC,
1081 				NIC_GET_PPORT_STATS,
1082 				MBX_TIMEOUT_SEC,
1083 				sizeof(struct mbx_get_pport_stats),
1084 				OCE_MBX_VER_V0);
1085 
1086 	fwcmd->params.req.reset_stats = reset_stats;
1087 	fwcmd->params.req.port_number = sc->port_id;
1088 
1089 	mbx.u0.s.embedded = 0;	/* stats too large for embedded mbx rsp */
1090 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1091 
1092 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1093 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1094 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1095 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_pport_stats);
1096 
1097 	mbx.payload_length = sizeof(struct mbx_get_pport_stats);
1098 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1099 
1100 	rc = oce_mbox_post(sc, &mbx, NULL);
1101 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1102 
1103 	if (!rc)
1104                 rc = fwcmd->hdr.u0.rsp.status;
1105 	if (rc)
1106 		device_printf(sc->dev,
1107 			      "%s failed - cmd status: %d addi status: %d\n",
1108 			      __FUNCTION__, rc,
1109 			      fwcmd->hdr.u0.rsp.additional_status);
1110 	return rc;
1111 }
1112 
1113 /**
1114  * @brief Function to get vport (virtual port) statistics
1115  * @param sc 		software handle to the device
1116  * @param *stats	pointer to where to store statistics
1117  * @param reset_stats	resets statistics of set
1118  * @returns		0 on success, EIO on failure
1119  */
1120 int
1121 oce_mbox_get_vport_stats(POCE_SOFTC sc, POCE_DMA_MEM pstats_dma_mem,
1122 				uint32_t req_size, uint32_t reset_stats)
1123 {
1124 	struct oce_mbx mbx;
1125 	struct mbx_get_vport_stats *fwcmd;
1126 	int rc = 0;
1127 
1128 	bzero(&mbx, sizeof(struct oce_mbx));
1129 
1130 	fwcmd = OCE_DMAPTR(pstats_dma_mem, struct mbx_get_vport_stats);
1131 	bzero(fwcmd, sizeof(struct mbx_get_vport_stats));
1132 
1133 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1134 				MBX_SUBSYSTEM_NIC,
1135 				NIC_GET_VPORT_STATS,
1136 				MBX_TIMEOUT_SEC,
1137 				sizeof(struct mbx_get_vport_stats),
1138 				OCE_MBX_VER_V0);
1139 
1140 	fwcmd->params.req.reset_stats = reset_stats;
1141 	fwcmd->params.req.vport_number = sc->if_id;
1142 
1143 	mbx.u0.s.embedded = 0;	/* stats too large for embedded mbx rsp */
1144 	mbx.u0.s.sge_count = 1; /* using scatter gather instead */
1145 
1146 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_PREWRITE);
1147 	mbx.payload.u0.u1.sgl[0].pa_lo = ADDR_LO(pstats_dma_mem->paddr);
1148 	mbx.payload.u0.u1.sgl[0].pa_hi = ADDR_HI(pstats_dma_mem->paddr);
1149 	mbx.payload.u0.u1.sgl[0].length = sizeof(struct mbx_get_vport_stats);
1150 
1151 	mbx.payload_length = sizeof(struct mbx_get_vport_stats);
1152 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1153 
1154 	rc = oce_mbox_post(sc, &mbx, NULL);
1155 	oce_dma_sync(pstats_dma_mem, BUS_DMASYNC_POSTWRITE);
1156 
1157 	if (!rc)
1158                 rc = fwcmd->hdr.u0.rsp.status;
1159 	if (rc)
1160 		device_printf(sc->dev,
1161 			      "%s failed - cmd status: %d addi status: %d\n",
1162 			      __FUNCTION__, rc,
1163 			      fwcmd->hdr.u0.rsp.additional_status);
1164 	return rc;
1165 }
1166 
1167 /**
1168  * @brief               Function to update the muticast filter with
1169  *                      values in dma_mem
1170  * @param sc            software handle to the device
1171  * @param dma_mem       pointer to dma memory region
1172  * @returns             0 on success, EIO on failure
1173  */
1174 int
1175 oce_update_multicast(POCE_SOFTC sc, POCE_DMA_MEM pdma_mem)
1176 {
1177 	struct oce_mbx mbx;
1178 	struct oce_mq_sge *sgl;
1179 	struct mbx_set_common_iface_multicast *req = NULL;
1180 	int rc = 0;
1181 
1182 	req = OCE_DMAPTR(pdma_mem, struct mbx_set_common_iface_multicast);
1183 	mbx_common_req_hdr_init(&req->hdr, 0, 0,
1184 				MBX_SUBSYSTEM_COMMON,
1185 				OPCODE_COMMON_SET_IFACE_MULTICAST,
1186 				MBX_TIMEOUT_SEC,
1187 				sizeof(struct mbx_set_common_iface_multicast),
1188 				OCE_MBX_VER_V0);
1189 
1190 	bzero(&mbx, sizeof(struct oce_mbx));
1191 
1192 	mbx.u0.s.embedded = 0; /*Non embeded*/
1193 	mbx.payload_length = sizeof(struct mbx_set_common_iface_multicast);
1194 	mbx.u0.s.sge_count = 1;
1195 	sgl = &mbx.payload.u0.u1.sgl[0];
1196 	sgl->pa_hi = htole32(upper_32_bits(pdma_mem->paddr));
1197 	sgl->pa_lo = htole32((pdma_mem->paddr) & 0xFFFFFFFF);
1198 	sgl->length = htole32(mbx.payload_length);
1199 
1200 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1201 
1202 	rc = oce_mbox_post(sc, &mbx, NULL);
1203 	if (!rc)
1204                 rc = req->hdr.u0.rsp.status;
1205 	if (rc)
1206 		device_printf(sc->dev,
1207 			      "%s failed - cmd status: %d addi status: %d\n",
1208 			      __FUNCTION__, rc,
1209 			      req->hdr.u0.rsp.additional_status);
1210 	return rc;
1211 }
1212 
1213 /**
1214  * @brief               Function to send passthrough Ioctls
1215  * @param sc            software handle to the device
1216  * @param dma_mem       pointer to dma memory region
1217  * @param req_size      size of dma_mem
1218  * @returns             0 on success, EIO on failure
1219  */
1220 int
1221 oce_pass_through_mbox(POCE_SOFTC sc, POCE_DMA_MEM dma_mem, uint32_t req_size)
1222 {
1223 	struct oce_mbx mbx;
1224 	struct oce_mq_sge *sgl;
1225 	int rc = 0;
1226 
1227 	bzero(&mbx, sizeof(struct oce_mbx));
1228 
1229 	mbx.u0.s.embedded  = 0; /*Non embeded*/
1230 	mbx.payload_length = req_size;
1231 	mbx.u0.s.sge_count = 1;
1232 	sgl = &mbx.payload.u0.u1.sgl[0];
1233 	sgl->pa_hi = htole32(upper_32_bits(dma_mem->paddr));
1234 	sgl->pa_lo = htole32((dma_mem->paddr) & 0xFFFFFFFF);
1235 	sgl->length = htole32(req_size);
1236 
1237 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1238 
1239 	rc = oce_mbox_post(sc, &mbx, NULL);
1240 	return rc;
1241 }
1242 
1243 int
1244 oce_mbox_macaddr_add(POCE_SOFTC sc, uint8_t *mac_addr,
1245 		 uint32_t if_id, uint32_t *pmac_id)
1246 {
1247 	struct oce_mbx mbx;
1248 	struct mbx_add_common_iface_mac *fwcmd;
1249 	int rc = 0;
1250 
1251 	bzero(&mbx, sizeof(struct oce_mbx));
1252 
1253 	fwcmd = (struct mbx_add_common_iface_mac *)&mbx.payload;
1254 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1255 				MBX_SUBSYSTEM_COMMON,
1256 				OPCODE_COMMON_ADD_IFACE_MAC,
1257 				MBX_TIMEOUT_SEC,
1258 				sizeof(struct mbx_add_common_iface_mac),
1259 				OCE_MBX_VER_V0);
1260 
1261 	fwcmd->params.req.if_id = (uint16_t) if_id;
1262 	bcopy(mac_addr, fwcmd->params.req.mac_address, 6);
1263 
1264 	mbx.u0.s.embedded = 1;
1265 	mbx.payload_length = sizeof(struct  mbx_add_common_iface_mac);
1266 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1267 	rc = oce_mbox_post(sc, &mbx, NULL);
1268 	if (!rc)
1269                 rc = fwcmd->hdr.u0.rsp.status;
1270 	if (rc) {
1271 		device_printf(sc->dev,
1272 			      "%s failed - cmd status: %d addi status: %d\n",
1273 			      __FUNCTION__, rc,
1274 			      fwcmd->hdr.u0.rsp.additional_status);
1275 		goto error;
1276 	}
1277 	*pmac_id = fwcmd->params.rsp.pmac_id;
1278 error:
1279 	return rc;
1280 }
1281 
1282 int
1283 oce_mbox_macaddr_del(POCE_SOFTC sc, uint32_t if_id, uint32_t pmac_id)
1284 {
1285 	struct oce_mbx mbx;
1286 	struct mbx_del_common_iface_mac *fwcmd;
1287 	int rc = 0;
1288 
1289 	bzero(&mbx, sizeof(struct oce_mbx));
1290 
1291 	fwcmd = (struct mbx_del_common_iface_mac *)&mbx.payload;
1292 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1293 				MBX_SUBSYSTEM_COMMON,
1294 				OPCODE_COMMON_DEL_IFACE_MAC,
1295 				MBX_TIMEOUT_SEC,
1296 				sizeof(struct mbx_del_common_iface_mac),
1297 				OCE_MBX_VER_V0);
1298 
1299 	fwcmd->params.req.if_id = (uint16_t)if_id;
1300 	fwcmd->params.req.pmac_id = pmac_id;
1301 
1302 	mbx.u0.s.embedded = 1;
1303 	mbx.payload_length = sizeof(struct  mbx_del_common_iface_mac);
1304 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1305 
1306 	rc = oce_mbox_post(sc, &mbx, NULL);
1307 	if (!rc)
1308                 rc = fwcmd->hdr.u0.rsp.status;
1309 	if (rc)
1310 		device_printf(sc->dev,
1311 			      "%s failed - cmd status: %d addi status: %d\n",
1312 			      __FUNCTION__, rc,
1313 			      fwcmd->hdr.u0.rsp.additional_status);
1314 	return rc;
1315 }
1316 
1317 int
1318 oce_mbox_check_native_mode(POCE_SOFTC sc)
1319 {
1320 	struct oce_mbx mbx;
1321 	struct mbx_common_set_function_cap *fwcmd;
1322 	int rc = 0;
1323 
1324 	bzero(&mbx, sizeof(struct oce_mbx));
1325 
1326 	fwcmd = (struct mbx_common_set_function_cap *)&mbx.payload;
1327 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1328 				MBX_SUBSYSTEM_COMMON,
1329 				OPCODE_COMMON_SET_FUNCTIONAL_CAPS,
1330 				MBX_TIMEOUT_SEC,
1331 				sizeof(struct mbx_common_set_function_cap),
1332 				OCE_MBX_VER_V0);
1333 
1334 	fwcmd->params.req.valid_capability_flags = CAP_SW_TIMESTAMPS |
1335 							CAP_BE3_NATIVE_ERX_API;
1336 
1337 	fwcmd->params.req.capability_flags = CAP_BE3_NATIVE_ERX_API;
1338 
1339 	mbx.u0.s.embedded = 1;
1340 	mbx.payload_length = sizeof(struct mbx_common_set_function_cap);
1341 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1342 
1343 	rc = oce_mbox_post(sc, &mbx, NULL);
1344 	if (!rc)
1345                 rc = fwcmd->hdr.u0.rsp.status;
1346 	if (rc) {
1347 		device_printf(sc->dev,
1348 			      "%s failed - cmd status: %d addi status: %d\n",
1349 			      __FUNCTION__, rc,
1350 			      fwcmd->hdr.u0.rsp.additional_status);
1351 		goto error;
1352 	}
1353 	sc->be3_native = HOST_32(fwcmd->params.rsp.capability_flags)
1354 			& CAP_BE3_NATIVE_ERX_API;
1355 
1356 error:
1357 	return 0;
1358 }
1359 
1360 int
1361 oce_mbox_cmd_set_loopback(POCE_SOFTC sc, uint8_t port_num,
1362 		uint8_t loopback_type, uint8_t enable)
1363 {
1364 	struct oce_mbx mbx;
1365 	struct mbx_lowlevel_set_loopback_mode *fwcmd;
1366 	int rc = 0;
1367 
1368 	bzero(&mbx, sizeof(struct oce_mbx));
1369 
1370 	fwcmd = (struct mbx_lowlevel_set_loopback_mode *)&mbx.payload;
1371 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1372 				MBX_SUBSYSTEM_LOWLEVEL,
1373 				OPCODE_LOWLEVEL_SET_LOOPBACK_MODE,
1374 				MBX_TIMEOUT_SEC,
1375 				sizeof(struct mbx_lowlevel_set_loopback_mode),
1376 				OCE_MBX_VER_V0);
1377 
1378 	fwcmd->params.req.src_port = port_num;
1379 	fwcmd->params.req.dest_port = port_num;
1380 	fwcmd->params.req.loopback_type = loopback_type;
1381 	fwcmd->params.req.loopback_state = enable;
1382 
1383 	mbx.u0.s.embedded = 1;
1384 	mbx.payload_length = sizeof(struct  mbx_lowlevel_set_loopback_mode);
1385 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1386 
1387 	rc = oce_mbox_post(sc, &mbx, NULL);
1388 	if (!rc)
1389                 rc = fwcmd->hdr.u0.rsp.status;
1390 	if (rc)
1391 		device_printf(sc->dev,
1392 			      "%s failed - cmd status: %d addi status: %d\n",
1393 			      __FUNCTION__, rc,
1394 			      fwcmd->hdr.u0.rsp.additional_status);
1395 
1396 	return rc;
1397 
1398 }
1399 
1400 int
1401 oce_mbox_cmd_test_loopback(POCE_SOFTC sc, uint32_t port_num,
1402 	uint32_t loopback_type, uint32_t pkt_size, uint32_t num_pkts,
1403 	uint64_t pattern)
1404 {
1405 
1406 	struct oce_mbx mbx;
1407 	struct mbx_lowlevel_test_loopback_mode *fwcmd;
1408 	int rc = 0;
1409 
1410 	bzero(&mbx, sizeof(struct oce_mbx));
1411 
1412 	fwcmd = (struct mbx_lowlevel_test_loopback_mode *)&mbx.payload;
1413 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1414 				MBX_SUBSYSTEM_LOWLEVEL,
1415 				OPCODE_LOWLEVEL_TEST_LOOPBACK,
1416 				MBX_TIMEOUT_SEC,
1417 				sizeof(struct mbx_lowlevel_test_loopback_mode),
1418 				OCE_MBX_VER_V0);
1419 
1420 	fwcmd->params.req.pattern = pattern;
1421 	fwcmd->params.req.src_port = port_num;
1422 	fwcmd->params.req.dest_port = port_num;
1423 	fwcmd->params.req.pkt_size = pkt_size;
1424 	fwcmd->params.req.num_pkts = num_pkts;
1425 	fwcmd->params.req.loopback_type = loopback_type;
1426 
1427 	mbx.u0.s.embedded = 1;
1428 	mbx.payload_length = sizeof(struct  mbx_lowlevel_test_loopback_mode);
1429 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1430 
1431 	rc = oce_mbox_post(sc, &mbx, NULL);
1432 	if (!rc)
1433                 rc = fwcmd->hdr.u0.rsp.status;
1434 	if (rc)
1435 		device_printf(sc->dev,
1436 			      "%s failed - cmd status: %d addi status: %d\n",
1437 			      __FUNCTION__, rc,
1438 			      fwcmd->hdr.u0.rsp.additional_status);
1439 
1440 	return rc;
1441 }
1442 
1443 int
1444 oce_mbox_write_flashrom(POCE_SOFTC sc, uint32_t optype,uint32_t opcode,
1445 				POCE_DMA_MEM pdma_mem, uint32_t num_bytes)
1446 {
1447 
1448 	struct oce_mbx mbx;
1449 	struct oce_mq_sge *sgl = NULL;
1450 	struct mbx_common_read_write_flashrom *fwcmd = NULL;
1451 	int rc = 0, payload_len = 0;
1452 
1453 	bzero(&mbx, sizeof(struct oce_mbx));
1454 	fwcmd = OCE_DMAPTR(pdma_mem, struct mbx_common_read_write_flashrom);
1455 	payload_len = sizeof(struct mbx_common_read_write_flashrom) + 32*1024;
1456 
1457 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1458 				MBX_SUBSYSTEM_COMMON,
1459 				OPCODE_COMMON_WRITE_FLASHROM,
1460 				LONG_TIMEOUT,
1461 				payload_len,
1462 				OCE_MBX_VER_V0);
1463 
1464 	fwcmd->flash_op_type = LE_32(optype);
1465 	fwcmd->flash_op_code = LE_32(opcode);
1466 	fwcmd->data_buffer_size = LE_32(num_bytes);
1467 
1468 	mbx.u0.s.embedded  = 0; /*Non embeded*/
1469 	mbx.payload_length = payload_len;
1470 	mbx.u0.s.sge_count = 1;
1471 
1472 	sgl = &mbx.payload.u0.u1.sgl[0];
1473 	sgl->pa_hi = upper_32_bits(pdma_mem->paddr);
1474 	sgl->pa_lo = pdma_mem->paddr & 0xFFFFFFFF;
1475 	sgl->length = payload_len;
1476 
1477 	/* post the command */
1478 	rc = oce_mbox_post(sc, &mbx, NULL);
1479 	if (!rc)
1480                 rc = fwcmd->hdr.u0.rsp.status;
1481 	if (rc)
1482 		device_printf(sc->dev,
1483 			      "%s failed - cmd status: %d addi status: %d\n",
1484 			      __FUNCTION__, rc,
1485 			      fwcmd->hdr.u0.rsp.additional_status);
1486 
1487 	return rc;
1488 
1489 }
1490 
1491 int
1492 oce_mbox_get_flashrom_crc(POCE_SOFTC sc, uint8_t *flash_crc,
1493 				uint32_t offset, uint32_t optype)
1494 {
1495 
1496 	int rc = 0, payload_len = 0;
1497 	struct oce_mbx mbx;
1498 	struct mbx_common_read_write_flashrom *fwcmd;
1499 
1500 	bzero(&mbx, sizeof(struct oce_mbx));
1501 
1502 	fwcmd = (struct mbx_common_read_write_flashrom *)&mbx.payload;
1503 
1504 	/* Firmware requires extra 4 bytes with this ioctl. Since there
1505 	   is enough room in the mbx payload it should be good enough
1506 	   Reference: Bug 14853
1507 	*/
1508 	payload_len = sizeof(struct mbx_common_read_write_flashrom) + 4;
1509 
1510 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1511 				MBX_SUBSYSTEM_COMMON,
1512 				OPCODE_COMMON_READ_FLASHROM,
1513 				MBX_TIMEOUT_SEC,
1514 				payload_len,
1515 				OCE_MBX_VER_V0);
1516 
1517 	fwcmd->flash_op_type = optype;
1518 	fwcmd->flash_op_code = FLASHROM_OPER_REPORT;
1519 	fwcmd->data_offset = offset;
1520 	fwcmd->data_buffer_size = 0x4;
1521 
1522 	mbx.u0.s.embedded  = 1;
1523 	mbx.payload_length = payload_len;
1524 
1525 	/* post the command */
1526 	rc = oce_mbox_post(sc, &mbx, NULL);
1527 	if (!rc)
1528                 rc = fwcmd->hdr.u0.rsp.status;
1529 	if (rc) {
1530 		device_printf(sc->dev,
1531 			      "%s failed - cmd status: %d addi status: %d\n",
1532 			      __FUNCTION__, rc,
1533 			      fwcmd->hdr.u0.rsp.additional_status);
1534 		goto error;
1535 	}
1536 	bcopy(fwcmd->data_buffer, flash_crc, 4);
1537 error:
1538 	return rc;
1539 }
1540 
1541 int
1542 oce_mbox_get_phy_info(POCE_SOFTC sc, struct oce_phy_info *phy_info)
1543 {
1544 
1545 	struct oce_mbx mbx;
1546 	struct mbx_common_phy_info *fwcmd;
1547 	int rc = 0;
1548 
1549 	bzero(&mbx, sizeof(struct oce_mbx));
1550 
1551 	fwcmd = (struct mbx_common_phy_info *)&mbx.payload;
1552 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1553 				MBX_SUBSYSTEM_COMMON,
1554 				OPCODE_COMMON_GET_PHY_CONFIG,
1555 				MBX_TIMEOUT_SEC,
1556 				sizeof(struct mbx_common_phy_info),
1557 				OCE_MBX_VER_V0);
1558 
1559 	mbx.u0.s.embedded = 1;
1560 	mbx.payload_length = sizeof(struct  mbx_common_phy_info);
1561 
1562 	/* now post the command */
1563 	rc = oce_mbox_post(sc, &mbx, NULL);
1564 	if (!rc)
1565                 rc = fwcmd->hdr.u0.rsp.status;
1566 	if (rc) {
1567 		device_printf(sc->dev,
1568 			      "%s failed - cmd status: %d addi status: %d\n",
1569 			      __FUNCTION__, rc,
1570 			      fwcmd->hdr.u0.rsp.additional_status);
1571 		goto error;
1572 	}
1573 	phy_info->phy_type = HOST_16(fwcmd->params.rsp.phy_info.phy_type);
1574 	phy_info->interface_type =
1575 			HOST_16(fwcmd->params.rsp.phy_info.interface_type);
1576 	phy_info->auto_speeds_supported =
1577 		HOST_16(fwcmd->params.rsp.phy_info.auto_speeds_supported);
1578 	phy_info->fixed_speeds_supported =
1579 		HOST_16(fwcmd->params.rsp.phy_info.fixed_speeds_supported);
1580 	phy_info->misc_params = HOST_32(fwcmd->params.rsp.phy_info.misc_params);
1581 error:
1582 	return rc;
1583 
1584 }
1585 
1586 int
1587 oce_mbox_lancer_write_flashrom(POCE_SOFTC sc, uint32_t data_size,
1588 			uint32_t data_offset, POCE_DMA_MEM pdma_mem,
1589 			uint32_t *written_data, uint32_t *additional_status)
1590 {
1591 
1592 	struct oce_mbx mbx;
1593 	struct mbx_lancer_common_write_object *fwcmd = NULL;
1594 	int rc = 0, payload_len = 0;
1595 
1596 	bzero(&mbx, sizeof(struct oce_mbx));
1597 	payload_len = sizeof(struct mbx_lancer_common_write_object);
1598 
1599 	mbx.u0.s.embedded  = 1;/* Embedded */
1600 	mbx.payload_length = payload_len;
1601 	fwcmd = (struct mbx_lancer_common_write_object *)&mbx.payload;
1602 
1603 	/* initialize the ioctl header */
1604 	mbx_common_req_hdr_init(&fwcmd->params.req.hdr, 0, 0,
1605 				MBX_SUBSYSTEM_COMMON,
1606 				OPCODE_COMMON_WRITE_OBJECT,
1607 				LONG_TIMEOUT,
1608 				payload_len,
1609 				OCE_MBX_VER_V0);
1610 
1611 	fwcmd->params.req.write_length = data_size;
1612 	if (data_size == 0)
1613 		fwcmd->params.req.eof = 1;
1614 	else
1615 		fwcmd->params.req.eof = 0;
1616 
1617 	strcpy(fwcmd->params.req.object_name, "/prg");
1618 	fwcmd->params.req.descriptor_count = 1;
1619 	fwcmd->params.req.write_offset = data_offset;
1620 	fwcmd->params.req.buffer_length = data_size;
1621 	fwcmd->params.req.address_lower = pdma_mem->paddr & 0xFFFFFFFF;
1622 	fwcmd->params.req.address_upper = upper_32_bits(pdma_mem->paddr);
1623 
1624 	/* post the command */
1625 	rc = oce_mbox_post(sc, &mbx, NULL);
1626 	if (!rc)
1627                 rc = fwcmd->params.rsp.status;
1628 	if (rc) {
1629 		device_printf(sc->dev,
1630 			      "%s failed - cmd status: %d addi status: %d\n",
1631 			      __FUNCTION__, rc,
1632 			      fwcmd->params.rsp.additional_status);
1633 		goto error;
1634 	}
1635 	*written_data = HOST_32(fwcmd->params.rsp.actual_write_length);
1636 	*additional_status = fwcmd->params.rsp.additional_status;
1637 error:
1638 	return rc;
1639 
1640 }
1641 
1642 int
1643 oce_mbox_create_rq(struct oce_rq *rq)
1644 {
1645 
1646 	struct oce_mbx mbx;
1647 	struct mbx_create_nic_rq *fwcmd;
1648 	POCE_SOFTC sc = rq->parent;
1649 	int rc, num_pages = 0;
1650 
1651 	if (rq->qstate == QCREATED)
1652 		return 0;
1653 
1654 	bzero(&mbx, sizeof(struct oce_mbx));
1655 
1656 	fwcmd = (struct mbx_create_nic_rq *)&mbx.payload;
1657 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1658 				MBX_SUBSYSTEM_NIC,
1659 				NIC_CREATE_RQ, MBX_TIMEOUT_SEC,
1660 				sizeof(struct mbx_create_nic_rq),
1661 				OCE_MBX_VER_V0);
1662 
1663 	/* oce_page_list will also prepare pages */
1664 	num_pages = oce_page_list(rq->ring, &fwcmd->params.req.pages[0]);
1665 
1666 	if (IS_XE201(sc)) {
1667 		fwcmd->params.req.frag_size = rq->cfg.frag_size/2048;
1668 		fwcmd->params.req.page_size = 1;
1669 		fwcmd->hdr.u0.req.version = OCE_MBX_VER_V1;
1670 	} else
1671 		fwcmd->params.req.frag_size = OCE_LOG2(rq->cfg.frag_size);
1672 	fwcmd->params.req.num_pages = num_pages;
1673 	fwcmd->params.req.cq_id = rq->cq->cq_id;
1674 	fwcmd->params.req.if_id = sc->if_id;
1675 	fwcmd->params.req.max_frame_size = rq->cfg.mtu;
1676 	fwcmd->params.req.is_rss_queue = rq->cfg.is_rss_queue;
1677 
1678 	mbx.u0.s.embedded = 1;
1679 	mbx.payload_length = sizeof(struct mbx_create_nic_rq);
1680 
1681 	rc = oce_mbox_post(sc, &mbx, NULL);
1682 	if (!rc)
1683                 rc = fwcmd->hdr.u0.rsp.status;
1684 	if (rc) {
1685 		device_printf(sc->dev,
1686 			      "%s failed - cmd status: %d addi status: %d\n",
1687 			      __FUNCTION__, rc,
1688 			      fwcmd->hdr.u0.rsp.additional_status);
1689 		goto error;
1690 	}
1691 	rq->rq_id = HOST_16(fwcmd->params.rsp.rq_id);
1692 	rq->rss_cpuid = fwcmd->params.rsp.rss_cpuid;
1693 error:
1694 	return rc;
1695 
1696 }
1697 
1698 int
1699 oce_mbox_create_wq(struct oce_wq *wq)
1700 {
1701 	struct oce_mbx mbx;
1702 	struct mbx_create_nic_wq *fwcmd;
1703 	POCE_SOFTC sc = wq->parent;
1704 	int rc = 0, version, num_pages;
1705 
1706 	bzero(&mbx, sizeof(struct oce_mbx));
1707 
1708 	fwcmd = (struct mbx_create_nic_wq *)&mbx.payload;
1709 	if (IS_XE201(sc))
1710 		version = OCE_MBX_VER_V1;
1711 	else if(IS_BE(sc))
1712 		IS_PROFILE_SUPER_NIC(sc) ? (version = OCE_MBX_VER_V2)
1713 					 : (version = OCE_MBX_VER_V0);
1714 	else
1715 		version = OCE_MBX_VER_V2;
1716 
1717 	if (version > OCE_MBX_VER_V0)
1718 		fwcmd->params.req.if_id = sc->if_id;
1719 
1720 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1721 				MBX_SUBSYSTEM_NIC,
1722 				NIC_CREATE_WQ, MBX_TIMEOUT_SEC,
1723 				sizeof(struct mbx_create_nic_wq),
1724 				version);
1725 
1726 	num_pages = oce_page_list(wq->ring, &fwcmd->params.req.pages[0]);
1727 
1728 	fwcmd->params.req.nic_wq_type = wq->cfg.wq_type;
1729 	fwcmd->params.req.num_pages = num_pages;
1730 	fwcmd->params.req.wq_size = OCE_LOG2(wq->cfg.q_len) + 1;
1731 	fwcmd->params.req.cq_id = wq->cq->cq_id;
1732 	fwcmd->params.req.ulp_num = 1;
1733 
1734 	mbx.u0.s.embedded = 1;
1735 	mbx.payload_length = sizeof(struct mbx_create_nic_wq);
1736 
1737 	rc = oce_mbox_post(sc, &mbx, NULL);
1738 	if (!rc)
1739                 rc = fwcmd->hdr.u0.rsp.status;
1740 	if (rc) {
1741 		device_printf(sc->dev,
1742 			      "%s failed - cmd status: %d addi status: %d\n",
1743 			      __FUNCTION__, rc,
1744 			      fwcmd->hdr.u0.rsp.additional_status);
1745 		goto error;
1746 	}
1747 	wq->wq_id = HOST_16(fwcmd->params.rsp.wq_id);
1748 	if (version == OCE_MBX_VER_V2)
1749 		wq->db_offset = HOST_32(fwcmd->params.rsp.db_offset);
1750 	else
1751 		wq->db_offset = PD_TXULP_DB;
1752 error:
1753 	return rc;
1754 
1755 }
1756 
1757 int
1758 oce_mbox_create_eq(struct oce_eq *eq)
1759 {
1760 	struct oce_mbx mbx;
1761 	struct mbx_create_common_eq *fwcmd;
1762 	POCE_SOFTC sc = eq->parent;
1763 	int rc = 0;
1764 	uint32_t num_pages;
1765 
1766 	bzero(&mbx, sizeof(struct oce_mbx));
1767 
1768 	fwcmd = (struct mbx_create_common_eq *)&mbx.payload;
1769 
1770 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1771 				MBX_SUBSYSTEM_COMMON,
1772 				OPCODE_COMMON_CREATE_EQ, MBX_TIMEOUT_SEC,
1773 				sizeof(struct mbx_create_common_eq),
1774 				OCE_MBX_VER_V0);
1775 
1776 	num_pages = oce_page_list(eq->ring, &fwcmd->params.req.pages[0]);
1777 	fwcmd->params.req.ctx.num_pages = num_pages;
1778 	fwcmd->params.req.ctx.valid = 1;
1779 	fwcmd->params.req.ctx.size = (eq->eq_cfg.item_size == 4) ? 0 : 1;
1780 	fwcmd->params.req.ctx.count = OCE_LOG2(eq->eq_cfg.q_len / 256);
1781 	fwcmd->params.req.ctx.armed = 0;
1782 	fwcmd->params.req.ctx.delay_mult = eq->eq_cfg.cur_eqd;
1783 
1784 	mbx.u0.s.embedded = 1;
1785 	mbx.payload_length = sizeof(struct mbx_create_common_eq);
1786 
1787 	rc = oce_mbox_post(sc, &mbx, NULL);
1788 	if (!rc)
1789                 rc = fwcmd->hdr.u0.rsp.status;
1790 	if (rc) {
1791 		device_printf(sc->dev,
1792 			      "%s failed - cmd status: %d addi status: %d\n",
1793 			      __FUNCTION__, rc,
1794 			      fwcmd->hdr.u0.rsp.additional_status);
1795 		goto error;
1796 	}
1797 	eq->eq_id = HOST_16(fwcmd->params.rsp.eq_id);
1798 error:
1799 	return rc;
1800 }
1801 
1802 int
1803 oce_mbox_cq_create(struct oce_cq *cq, uint32_t ncoalesce, uint32_t is_eventable)
1804 {
1805 	struct oce_mbx mbx;
1806 	struct mbx_create_common_cq *fwcmd;
1807 	POCE_SOFTC sc = cq->parent;
1808 	uint8_t version;
1809 	oce_cq_ctx_t *ctx;
1810 	uint32_t num_pages, page_size;
1811 	int rc = 0;
1812 
1813 	bzero(&mbx, sizeof(struct oce_mbx));
1814 
1815 	fwcmd = (struct mbx_create_common_cq *)&mbx.payload;
1816 
1817 	if (IS_XE201(sc))
1818 		version = OCE_MBX_VER_V2;
1819 	else
1820 		version = OCE_MBX_VER_V0;
1821 
1822 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1823 				MBX_SUBSYSTEM_COMMON,
1824 				OPCODE_COMMON_CREATE_CQ,
1825 				MBX_TIMEOUT_SEC,
1826 				sizeof(struct mbx_create_common_cq),
1827 				version);
1828 
1829 	ctx = &fwcmd->params.req.cq_ctx;
1830 
1831 	num_pages = oce_page_list(cq->ring, &fwcmd->params.req.pages[0]);
1832 	page_size =  1;  /* 1 for 4K */
1833 
1834 	if (version == OCE_MBX_VER_V2) {
1835 		ctx->v2.num_pages = LE_16(num_pages);
1836 		ctx->v2.page_size = page_size;
1837 		ctx->v2.eventable = is_eventable;
1838 		ctx->v2.valid = 1;
1839 		ctx->v2.count = OCE_LOG2(cq->cq_cfg.q_len / 256);
1840 		ctx->v2.nodelay = cq->cq_cfg.nodelay;
1841 		ctx->v2.coalesce_wm = ncoalesce;
1842 		ctx->v2.armed = 0;
1843 		ctx->v2.eq_id = cq->eq->eq_id;
1844 		if (ctx->v2.count == 3) {
1845 			if ((u_int)cq->cq_cfg.q_len > (4*1024)-1)
1846 				ctx->v2.cqe_count = (4*1024)-1;
1847 			else
1848 				ctx->v2.cqe_count = cq->cq_cfg.q_len;
1849 		}
1850 	} else {
1851 		ctx->v0.num_pages = LE_16(num_pages);
1852 		ctx->v0.eventable = is_eventable;
1853 		ctx->v0.valid = 1;
1854 		ctx->v0.count = OCE_LOG2(cq->cq_cfg.q_len / 256);
1855 		ctx->v0.nodelay = cq->cq_cfg.nodelay;
1856 		ctx->v0.coalesce_wm = ncoalesce;
1857 		ctx->v0.armed = 0;
1858 		ctx->v0.eq_id = cq->eq->eq_id;
1859 	}
1860 
1861 	mbx.u0.s.embedded = 1;
1862 	mbx.payload_length = sizeof(struct mbx_create_common_cq);
1863 
1864 	rc = oce_mbox_post(sc, &mbx, NULL);
1865 	if (!rc)
1866                 rc = fwcmd->hdr.u0.rsp.status;
1867 	if (rc) {
1868 		device_printf(sc->dev,
1869 			      "%s failed - cmd status: %d addi status: %d\n",
1870 			      __FUNCTION__, rc,
1871 			      fwcmd->hdr.u0.rsp.additional_status);
1872 		goto error;
1873 	}
1874 	cq->cq_id = HOST_16(fwcmd->params.rsp.cq_id);
1875 error:
1876 	return rc;
1877 
1878 }
1879 
1880 int
1881 oce_mbox_read_transrecv_data(POCE_SOFTC sc, uint32_t page_num)
1882 {
1883 	int rc = 0;
1884 	struct oce_mbx mbx;
1885 	struct mbx_read_common_transrecv_data *fwcmd;
1886 	struct oce_mq_sge *sgl;
1887 	OCE_DMA_MEM dma;
1888 
1889 	/* Allocate DMA mem*/
1890 	if (oce_dma_alloc(sc, sizeof(struct mbx_read_common_transrecv_data),
1891 				&dma, 0))
1892 		return ENOMEM;
1893 
1894 	fwcmd = OCE_DMAPTR(&dma, struct mbx_read_common_transrecv_data);
1895 	bzero(fwcmd, sizeof(struct mbx_read_common_transrecv_data));
1896 
1897 	bzero(&mbx, sizeof(struct oce_mbx));
1898 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1899 			MBX_SUBSYSTEM_COMMON,
1900 			OPCODE_COMMON_READ_TRANSRECEIVER_DATA,
1901 			MBX_TIMEOUT_SEC,
1902 			sizeof(struct mbx_read_common_transrecv_data),
1903 			OCE_MBX_VER_V0);
1904 
1905 	/* fill rest of mbx */
1906 	mbx.u0.s.embedded = 0;
1907 	mbx.payload_length = sizeof(struct mbx_read_common_transrecv_data);
1908 	mbx.u0.s.sge_count = 1;
1909 	sgl = &mbx.payload.u0.u1.sgl[0];
1910 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
1911 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
1912 	sgl->length = htole32(mbx.payload_length);
1913 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1914 
1915 	fwcmd->params.req.port = LE_32(sc->port_id);
1916 	fwcmd->params.req.page_num = LE_32(page_num);
1917 
1918 	/* command post */
1919 	rc = oce_mbox_post(sc, &mbx, NULL);
1920 	if (!rc)
1921 		rc = fwcmd->hdr.u0.rsp.status;
1922 	if (rc) {
1923 		device_printf(sc->dev,
1924 			      "%s failed - cmd status: %d addi status: %d\n",
1925 			      __FUNCTION__, rc,
1926 			      fwcmd->hdr.u0.rsp.additional_status);
1927 		goto error;
1928 	}
1929 	if(fwcmd->params.rsp.page_num == PAGE_NUM_A0)
1930 	{
1931 		bcopy((char *)fwcmd->params.rsp.page_data,
1932 		      &sfp_vpd_dump_buffer[0],
1933 		      TRANSCEIVER_A0_SIZE);
1934 	}
1935 
1936 	if(fwcmd->params.rsp.page_num == PAGE_NUM_A2)
1937 	{
1938 		bcopy((char *)fwcmd->params.rsp.page_data,
1939 		      &sfp_vpd_dump_buffer[TRANSCEIVER_A0_SIZE],
1940 		      TRANSCEIVER_A2_SIZE);
1941 	}
1942 error:
1943 	oce_dma_free(sc, &dma);
1944 	return rc;
1945 }
1946 
1947 void
1948 oce_mbox_eqd_modify_periodic(POCE_SOFTC sc, struct oce_set_eqd *set_eqd,
1949 				int num)
1950 {
1951 	struct oce_mbx mbx;
1952 	struct mbx_modify_common_eq_delay *fwcmd;
1953 	int rc = 0;
1954 	int i = 0;
1955 
1956 	bzero(&mbx, sizeof(struct oce_mbx));
1957 
1958 	/* Initialize MODIFY_EQ_DELAY ioctl header */
1959 	fwcmd = (struct mbx_modify_common_eq_delay *)&mbx.payload;
1960 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
1961 				MBX_SUBSYSTEM_COMMON,
1962 				OPCODE_COMMON_MODIFY_EQ_DELAY,
1963 				MBX_TIMEOUT_SEC,
1964 				sizeof(struct mbx_modify_common_eq_delay),
1965 				OCE_MBX_VER_V0);
1966 	/* fill rest of mbx */
1967 	mbx.u0.s.embedded = 1;
1968 	mbx.payload_length = sizeof(struct mbx_modify_common_eq_delay);
1969 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
1970 
1971 	fwcmd->params.req.num_eq = num;
1972 	for (i = 0; i < num; i++) {
1973 		fwcmd->params.req.delay[i].eq_id =
1974 					htole32(set_eqd[i].eq_id);
1975 		fwcmd->params.req.delay[i].phase = 0;
1976 		fwcmd->params.req.delay[i].dm =
1977 		htole32(set_eqd[i].delay_multiplier);
1978 	}
1979 
1980 	/* command post */
1981 	rc = oce_mbox_post(sc, &mbx, NULL);
1982 
1983 	if (!rc)
1984 		rc = fwcmd->hdr.u0.rsp.status;
1985 	if (rc)
1986 		device_printf(sc->dev,
1987 			      "%s failed - cmd status: %d addi status: %d\n",
1988 			      __FUNCTION__, rc,
1989 			      fwcmd->hdr.u0.rsp.additional_status);
1990 }
1991 
1992 int
1993 oce_get_profile_config(POCE_SOFTC sc, uint32_t max_rss)
1994 {
1995 	struct oce_mbx mbx;
1996 	struct mbx_common_get_profile_config *fwcmd;
1997 	int rc = 0;
1998 	int version = 0;
1999 	struct oce_mq_sge *sgl;
2000 	OCE_DMA_MEM dma;
2001 	uint32_t desc_count = 0;
2002 	struct oce_nic_resc_desc *nic_desc = NULL;
2003 	int i;
2004 	boolean_t nic_desc_valid = FALSE;
2005 
2006 	if (IS_BE2(sc))
2007 		return -1;
2008 
2009 	/* Allocate DMA mem*/
2010 	if (oce_dma_alloc(sc, sizeof(struct mbx_common_get_profile_config),
2011 			  &dma, 0))
2012 		return ENOMEM;
2013 
2014 	/* Initialize MODIFY_EQ_DELAY ioctl header */
2015 	fwcmd = OCE_DMAPTR(&dma, struct mbx_common_get_profile_config);
2016 	bzero(fwcmd, sizeof(struct mbx_common_get_profile_config));
2017 
2018 	if (!IS_XE201(sc))
2019 		version = OCE_MBX_VER_V1;
2020 	else
2021 		version = OCE_MBX_VER_V0;
2022 
2023 	bzero(&mbx, sizeof(struct oce_mbx));
2024 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2025 				MBX_SUBSYSTEM_COMMON,
2026 				OPCODE_COMMON_GET_PROFILE_CONFIG,
2027 				MBX_TIMEOUT_SEC,
2028 				sizeof(struct mbx_common_get_profile_config),
2029 				version);
2030 	/* fill rest of mbx */
2031 	mbx.u0.s.embedded = 0;
2032 	mbx.payload_length = sizeof(struct mbx_common_get_profile_config);
2033 	mbx.u0.s.sge_count = 1;
2034 	sgl = &mbx.payload.u0.u1.sgl[0];
2035 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
2036 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
2037 	sgl->length = htole32(mbx.payload_length);
2038 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2039 
2040 	fwcmd->params.req.type = ACTIVE_PROFILE;
2041 
2042 	/* command post */
2043 	rc = oce_mbox_post(sc, &mbx, NULL);
2044 	if (!rc)
2045 		rc = fwcmd->hdr.u0.rsp.status;
2046 	if (rc) {
2047 		device_printf(sc->dev,
2048 			      "%s failed - cmd status: %d addi status: %d\n",
2049 			      __FUNCTION__, rc,
2050 			      fwcmd->hdr.u0.rsp.additional_status);
2051 		goto error;
2052 	}
2053 
2054 	nic_desc = (struct oce_nic_resc_desc *) fwcmd->params.rsp.resources;
2055 	desc_count = HOST_32(fwcmd->params.rsp.desc_count);
2056 	for (i = 0; i < desc_count; i++) {
2057 		if ((nic_desc->desc_type == NIC_RESC_DESC_TYPE_V0) ||
2058 		    (nic_desc->desc_type == NIC_RESC_DESC_TYPE_V1)) {
2059 			nic_desc_valid = TRUE;
2060 			break;
2061 		}
2062 		nic_desc = (struct oce_nic_resc_desc *) \
2063 				((char *)nic_desc + nic_desc->desc_len);
2064 	}
2065 	if (!nic_desc_valid) {
2066 		rc = -1;
2067 		goto error;
2068 	}
2069 	else {
2070 		sc->max_vlans = HOST_16(nic_desc->vlan_count);
2071 		sc->nwqs = HOST_16(nic_desc->txq_count);
2072 		if (sc->nwqs)
2073 			sc->nwqs = MIN(sc->nwqs, OCE_MAX_WQ);
2074 		else
2075 			sc->nwqs = OCE_MAX_WQ;
2076 
2077 		sc->nrssqs = HOST_16(nic_desc->rssq_count);
2078 		if (sc->nrssqs)
2079 			sc->nrssqs = MIN(sc->nrssqs, max_rss);
2080 		else
2081 			sc->nrssqs = max_rss;
2082 		sc->nrqs =  sc->nrssqs + 1; /* 1 for def RX */
2083 	}
2084 error:
2085 	oce_dma_free(sc, &dma);
2086 	return rc;
2087 
2088 }
2089 
2090 int
2091 oce_get_func_config(POCE_SOFTC sc)
2092 {
2093 	struct oce_mbx mbx;
2094 	struct mbx_common_get_func_config *fwcmd;
2095 	int rc = 0;
2096 	int version = 0;
2097 	struct oce_mq_sge *sgl;
2098 	OCE_DMA_MEM dma;
2099 	uint32_t desc_count = 0;
2100 	struct oce_nic_resc_desc *nic_desc = NULL;
2101 	int i;
2102 	boolean_t nic_desc_valid = FALSE;
2103 	uint32_t max_rss = 0;
2104 
2105 	if ((IS_BE(sc) || IS_SH(sc)) && (!sc->be3_native))
2106 		max_rss = OCE_LEGACY_MODE_RSS;
2107 	else
2108 		max_rss = OCE_MAX_RSS;
2109 
2110 	/* Allocate DMA mem*/
2111 	if (oce_dma_alloc(sc, sizeof(struct mbx_common_get_func_config),
2112 			  &dma, 0))
2113 		return ENOMEM;
2114 
2115 	/* Initialize MODIFY_EQ_DELAY ioctl header */
2116 	fwcmd = OCE_DMAPTR(&dma, struct mbx_common_get_func_config);
2117 	bzero(fwcmd, sizeof(struct mbx_common_get_func_config));
2118 
2119 	if (IS_SH(sc))
2120 		version = OCE_MBX_VER_V1;
2121 	else
2122 		version = OCE_MBX_VER_V0;
2123 
2124 	bzero(&mbx, sizeof(struct oce_mbx));
2125 	mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2126 				MBX_SUBSYSTEM_COMMON,
2127 				OPCODE_COMMON_GET_FUNCTION_CONFIG,
2128 				MBX_TIMEOUT_SEC,
2129 				sizeof(struct mbx_common_get_func_config),
2130 				version);
2131 	/* fill rest of mbx */
2132 	mbx.u0.s.embedded = 0;
2133 	mbx.payload_length = sizeof(struct mbx_common_get_func_config);
2134 	mbx.u0.s.sge_count = 1;
2135 	sgl = &mbx.payload.u0.u1.sgl[0];
2136 	sgl->pa_hi = htole32(upper_32_bits(dma.paddr));
2137 	sgl->pa_lo = htole32((dma.paddr) & 0xFFFFFFFF);
2138 	sgl->length = htole32(mbx.payload_length);
2139 	DW_SWAP(u32ptr(&mbx), mbx.payload_length + OCE_BMBX_RHDR_SZ);
2140 
2141 	/* command post */
2142 	rc = oce_mbox_post(sc, &mbx, NULL);
2143 	if (!rc)
2144 		rc = fwcmd->hdr.u0.rsp.status;
2145 	if (rc) {
2146 		device_printf(sc->dev,
2147 			      "%s failed - cmd status: %d addi status: %d\n",
2148 			      __FUNCTION__, rc,
2149 			      fwcmd->hdr.u0.rsp.additional_status);
2150 		goto error;
2151 	}
2152 
2153 	nic_desc = (struct oce_nic_resc_desc *) fwcmd->params.rsp.resources;
2154 	desc_count = HOST_32(fwcmd->params.rsp.desc_count);
2155 	for (i = 0; i < desc_count; i++) {
2156 		if ((nic_desc->desc_type == NIC_RESC_DESC_TYPE_V0) ||
2157 		    (nic_desc->desc_type == NIC_RESC_DESC_TYPE_V1)) {
2158 			nic_desc_valid = TRUE;
2159 			break;
2160 		}
2161 		nic_desc = (struct oce_nic_resc_desc *) \
2162 				((char *)nic_desc + nic_desc->desc_len);
2163 	}
2164 	if (!nic_desc_valid) {
2165 		rc = -1;
2166 		goto error;
2167 	}
2168 	else {
2169 		sc->max_vlans = nic_desc->vlan_count;
2170 		sc->nwqs = HOST_32(nic_desc->txq_count);
2171                 if (sc->nwqs)
2172                         sc->nwqs = MIN(sc->nwqs, OCE_MAX_WQ);
2173                 else
2174                         sc->nwqs = OCE_MAX_WQ;
2175 
2176 		sc->nrssqs = HOST_32(nic_desc->rssq_count);
2177 		if (sc->nrssqs)
2178 			sc->nrssqs = MIN(sc->nrssqs, max_rss);
2179 		else
2180 			sc->nrssqs = max_rss;
2181 		sc->nrqs =  sc->nrssqs + 1; /* 1 for def RX */
2182 	}
2183 error:
2184 	oce_dma_free(sc, &dma);
2185 	return rc;
2186 
2187 }
2188 
2189 /* hw lro functions */
2190 
2191 int
2192 oce_mbox_nic_query_lro_capabilities(POCE_SOFTC sc, uint32_t *lro_rq_cnt, uint32_t *lro_flags)
2193 {
2194         struct oce_mbx mbx;
2195         struct mbx_nic_query_lro_capabilities *fwcmd;
2196         int rc = 0;
2197 
2198         bzero(&mbx, sizeof(struct oce_mbx));
2199 
2200         fwcmd = (struct mbx_nic_query_lro_capabilities *)&mbx.payload;
2201         mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2202                                 MBX_SUBSYSTEM_NIC,
2203                                 0x20,MBX_TIMEOUT_SEC,
2204                                 sizeof(struct mbx_nic_query_lro_capabilities),
2205                                 OCE_MBX_VER_V0);
2206 
2207         mbx.u0.s.embedded = 1;
2208         mbx.payload_length = sizeof(struct mbx_nic_query_lro_capabilities);
2209 
2210         rc = oce_mbox_post(sc, &mbx, NULL);
2211         if (!rc)
2212                 rc = fwcmd->hdr.u0.rsp.status;
2213         if (rc) {
2214                 device_printf(sc->dev,
2215                               "%s failed - cmd status: %d addi status: %d\n",
2216                               __FUNCTION__, rc,
2217                               fwcmd->hdr.u0.rsp.additional_status);
2218 
2219                 return rc;
2220         }
2221         if(lro_flags)
2222                 *lro_flags = HOST_32(fwcmd->params.rsp.lro_flags);
2223 
2224         if(lro_rq_cnt)
2225                 *lro_rq_cnt = HOST_16(fwcmd->params.rsp.lro_rq_cnt);
2226 
2227         return rc;
2228 }
2229 
2230 int
2231 oce_mbox_nic_set_iface_lro_config(POCE_SOFTC sc, int enable)
2232 {
2233         struct oce_mbx mbx;
2234         struct mbx_nic_set_iface_lro_config *fwcmd;
2235         int rc = 0;
2236 
2237         bzero(&mbx, sizeof(struct oce_mbx));
2238 
2239         fwcmd = (struct mbx_nic_set_iface_lro_config *)&mbx.payload;
2240         mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2241                                 MBX_SUBSYSTEM_NIC,
2242                                 0x26,MBX_TIMEOUT_SEC,
2243                                 sizeof(struct mbx_nic_set_iface_lro_config),
2244                                 OCE_MBX_VER_V0);
2245 
2246         mbx.u0.s.embedded = 1;
2247         mbx.payload_length = sizeof(struct mbx_nic_set_iface_lro_config);
2248 
2249         fwcmd->params.req.iface_id = sc->if_id;
2250         fwcmd->params.req.lro_flags = 0;
2251 
2252         if(enable) {
2253                 fwcmd->params.req.lro_flags = LRO_FLAGS_HASH_MODE | LRO_FLAGS_RSS_MODE;
2254                 fwcmd->params.req.lro_flags |= LRO_FLAGS_CLSC_IPV4 | LRO_FLAGS_CLSC_IPV6;
2255 
2256                 fwcmd->params.req.max_clsc_byte_cnt = 64*1024; /* min = 2974, max = 0xfa59 */
2257                 fwcmd->params.req.max_clsc_seg_cnt = 43; /* min = 2, max = 64 */
2258                 fwcmd->params.req.max_clsc_usec_delay = 18; /* min = 1, max = 256 */
2259                 fwcmd->params.req.min_clsc_frame_byte_cnt = 0; /* min = 1, max = 9014 */
2260         }
2261 
2262         rc = oce_mbox_post(sc, &mbx, NULL);
2263         if (!rc)
2264                 rc = fwcmd->hdr.u0.rsp.status;
2265         if (rc) {
2266                 device_printf(sc->dev,
2267                               "%s failed - cmd status: %d addi status: %d\n",
2268                               __FUNCTION__, rc,
2269                               fwcmd->hdr.u0.rsp.additional_status);
2270 
2271                 return rc;
2272         }
2273         return rc;
2274 }
2275 
2276 int
2277 oce_mbox_create_rq_v2(struct oce_rq *rq)
2278 {
2279         struct oce_mbx mbx;
2280         struct mbx_create_nic_rq_v2 *fwcmd;
2281         POCE_SOFTC sc = rq->parent;
2282         int rc = 0, num_pages = 0;
2283 
2284         if (rq->qstate == QCREATED)
2285                 return 0;
2286 
2287         bzero(&mbx, sizeof(struct oce_mbx));
2288 
2289         fwcmd = (struct mbx_create_nic_rq_v2 *)&mbx.payload;
2290         mbx_common_req_hdr_init(&fwcmd->hdr, 0, 0,
2291                                 MBX_SUBSYSTEM_NIC,
2292                                 0x08, MBX_TIMEOUT_SEC,
2293                                 sizeof(struct mbx_create_nic_rq_v2),
2294                                 OCE_MBX_VER_V2);
2295 
2296         /* oce_page_list will also prepare pages */
2297         num_pages = oce_page_list(rq->ring, &fwcmd->params.req.pages[0]);
2298 
2299         fwcmd->params.req.cq_id = rq->cq->cq_id;
2300         fwcmd->params.req.frag_size = rq->cfg.frag_size/2048;
2301         fwcmd->params.req.num_pages = num_pages;
2302 
2303         fwcmd->params.req.if_id = sc->if_id;
2304 
2305         fwcmd->params.req.max_frame_size = rq->cfg.mtu;
2306         fwcmd->params.req.page_size = 1;
2307         if(rq->cfg.is_rss_queue) {
2308                 fwcmd->params.req.rq_flags = (NIC_RQ_FLAGS_RSS | NIC_RQ_FLAGS_LRO);
2309         }else {
2310                 device_printf(sc->dev,
2311                         "non rss lro queue should not be created \n");
2312                 goto error;
2313         }
2314         mbx.u0.s.embedded = 1;
2315         mbx.payload_length = sizeof(struct mbx_create_nic_rq_v2);
2316 
2317         rc = oce_mbox_post(sc, &mbx, NULL);
2318         if (!rc)
2319                 rc = fwcmd->hdr.u0.rsp.status;
2320         if (rc) {
2321                 device_printf(sc->dev,
2322                               "%s failed - cmd status: %d addi status: %d\n",
2323                               __FUNCTION__, rc,
2324                               fwcmd->hdr.u0.rsp.additional_status);
2325                 goto error;
2326         }
2327         rq->rq_id = HOST_16(fwcmd->params.rsp.rq_id);
2328         rq->rss_cpuid = fwcmd->params.rsp.rss_cpuid;
2329 
2330 error:
2331         return rc;
2332 }
2333