xref: /freebsd/sys/dev/liquidio/lio_core.c (revision 77a1348b3c1cfe8547be49a121b56299a1e18b69)
1 /*
2  *   BSD LICENSE
3  *
4  *   Copyright(c) 2017 Cavium, Inc.. All rights reserved.
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
9  *   are met:
10  *
11  *     * Redistributions of source code must retain the above copyright
12  *       notice, this list of conditions and the following disclaimer.
13  *     * Redistributions in binary form must reproduce the above copyright
14  *       notice, this list of conditions and the following disclaimer in
15  *       the documentation and/or other materials provided with the
16  *       distribution.
17  *     * Neither the name of Cavium, Inc. nor the names of its
18  *       contributors may be used to endorse or promote products derived
19  *       from this software without specific prior written permission.
20  *
21  *   THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22  *   "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23  *   LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
24  *   A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
25  *   OWNER(S) OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
26  *   SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
27  *   LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
28  *   DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
29  *   THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
30  *   (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
31  *   OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32  */
33 /*$FreeBSD$*/
34 
35 #include "lio_bsd.h"
36 #include "lio_common.h"
37 #include "lio_droq.h"
38 #include "lio_iq.h"
39 #include "lio_response_manager.h"
40 #include "lio_device.h"
41 #include "lio_ctrl.h"
42 #include "lio_main.h"
43 #include "lio_rxtx.h"
44 #include "lio_network.h"
45 
46 int
47 lio_set_feature(struct ifnet *ifp, int cmd, uint16_t param1)
48 {
49 	struct lio_ctrl_pkt	nctrl;
50 	struct lio		*lio = if_getsoftc(ifp);
51 	struct octeon_device	*oct = lio->oct_dev;
52 	int	ret = 0;
53 
54 	bzero(&nctrl, sizeof(struct lio_ctrl_pkt));
55 
56 	nctrl.ncmd.cmd64 = 0;
57 	nctrl.ncmd.s.cmd = cmd;
58 	nctrl.ncmd.s.param1 = param1;
59 	nctrl.iq_no = lio->linfo.txpciq[0].s.q_no;
60 	nctrl.wait_time = 100;
61 	nctrl.lio = lio;
62 	nctrl.cb_fn = lio_ctrl_cmd_completion;
63 
64 	ret = lio_send_ctrl_pkt(lio->oct_dev, &nctrl);
65 	if (ret < 0) {
66 		lio_dev_err(oct, "Feature change failed in core (ret: 0x%x)\n",
67 			    ret);
68 	}
69 
70 	return (ret);
71 }
72 
73 void
74 lio_ctrl_cmd_completion(void *nctrl_ptr)
75 {
76 	struct lio_ctrl_pkt	*nctrl = (struct lio_ctrl_pkt *)nctrl_ptr;
77 	struct lio		*lio;
78 	struct octeon_device	*oct;
79 	uint8_t	*mac;
80 
81 	lio = nctrl->lio;
82 
83 	if (lio->oct_dev == NULL)
84 		return;
85 
86 	oct = lio->oct_dev;
87 
88 	switch (nctrl->ncmd.s.cmd) {
89 	case LIO_CMD_CHANGE_DEVFLAGS:
90 	case LIO_CMD_SET_MULTI_LIST:
91 		break;
92 
93 	case LIO_CMD_CHANGE_MACADDR:
94 		mac = ((uint8_t *)&nctrl->udd[0]) + 2;
95 		if (nctrl->ncmd.s.param1) {
96 			/* vfidx is 0 based, but vf_num (param1) is 1 based */
97 			int	vfidx = nctrl->ncmd.s.param1 - 1;
98 			bool	mac_is_admin_assigned = nctrl->ncmd.s.param2;
99 
100 			if (mac_is_admin_assigned)
101 				lio_dev_info(oct, "MAC Address %pM is configured for VF %d\n",
102 					     mac, vfidx);
103 		} else {
104 			lio_dev_info(oct, "MAC Address changed to %02x:%02x:%02x:%02x:%02x:%02x\n",
105 				     mac[0], mac[1], mac[2], mac[3], mac[4],
106 				     mac[5]);
107 		}
108 		break;
109 
110 	case LIO_CMD_GPIO_ACCESS:
111 		lio_dev_info(oct, "LED Flashing visual identification\n");
112 		break;
113 
114 	case LIO_CMD_ID_ACTIVE:
115 		lio_dev_info(oct, "LED Flashing visual identification\n");
116 		break;
117 
118 	case LIO_CMD_LRO_ENABLE:
119 		lio_dev_info(oct, "HW LRO Enabled\n");
120 		break;
121 
122 	case LIO_CMD_LRO_DISABLE:
123 		lio_dev_info(oct, "HW LRO Disabled\n");
124 		break;
125 
126 	case LIO_CMD_VERBOSE_ENABLE:
127 		lio_dev_info(oct, "Firmware debug enabled\n");
128 		break;
129 
130 	case LIO_CMD_VERBOSE_DISABLE:
131 		lio_dev_info(oct, "Firmware debug disabled\n");
132 		break;
133 
134 	case LIO_CMD_VLAN_FILTER_CTL:
135 		if (nctrl->ncmd.s.param1)
136 			lio_dev_info(oct, "VLAN filter enabled\n");
137 		else
138 			lio_dev_info(oct, "VLAN filter disabled\n");
139 		break;
140 
141 	case LIO_CMD_ADD_VLAN_FILTER:
142 		lio_dev_info(oct, "VLAN filter %d added\n",
143 			     nctrl->ncmd.s.param1);
144 		break;
145 
146 	case LIO_CMD_DEL_VLAN_FILTER:
147 		lio_dev_info(oct, "VLAN filter %d removed\n",
148 			     nctrl->ncmd.s.param1);
149 		break;
150 
151 	case LIO_CMD_SET_SETTINGS:
152 		lio_dev_info(oct, "Settings changed\n");
153 		break;
154 
155 		/*
156 		 * Case to handle "LIO_CMD_TNL_RX_CSUM_CTL"
157 		 * Command passed by NIC driver
158 		 */
159 	case LIO_CMD_TNL_RX_CSUM_CTL:
160 		if (nctrl->ncmd.s.param1 == LIO_CMD_RXCSUM_ENABLE) {
161 			lio_dev_info(oct, "RX Checksum Offload Enabled\n");
162 		} else if (nctrl->ncmd.s.param1 == LIO_CMD_RXCSUM_DISABLE) {
163 			lio_dev_info(oct, "RX Checksum Offload Disabled\n");
164 		}
165 		break;
166 
167 		/*
168 		 * Case to handle "LIO_CMD_TNL_TX_CSUM_CTL"
169 		 * Command passed by NIC driver
170 		 */
171 	case LIO_CMD_TNL_TX_CSUM_CTL:
172 		if (nctrl->ncmd.s.param1 == LIO_CMD_TXCSUM_ENABLE) {
173 			lio_dev_info(oct, "TX Checksum Offload Enabled\n");
174 		} else if (nctrl->ncmd.s.param1 == LIO_CMD_TXCSUM_DISABLE) {
175 			lio_dev_info(oct, "TX Checksum Offload Disabled\n");
176 		}
177 		break;
178 
179 		/*
180 		 * Case to handle "LIO_CMD_VXLAN_PORT_CONFIG"
181 		 * Command passed by NIC driver
182 		 */
183 	case LIO_CMD_VXLAN_PORT_CONFIG:
184 		if (nctrl->ncmd.s.more == LIO_CMD_VXLAN_PORT_ADD) {
185 			lio_dev_info(oct, "VxLAN Destination UDP PORT:%d ADDED\n",
186 				     nctrl->ncmd.s.param1);
187 		} else if (nctrl->ncmd.s.more == LIO_CMD_VXLAN_PORT_DEL) {
188 			lio_dev_info(oct, "VxLAN Destination UDP PORT:%d DELETED\n",
189 				     nctrl->ncmd.s.param1);
190 		}
191 		break;
192 
193 	case LIO_CMD_SET_FLOW_CTL:
194 		lio_dev_info(oct, "Set RX/TX flow control parameters\n");
195 		break;
196 
197 	case LIO_CMD_SET_FNV:
198 		if (nctrl->ncmd.s.param1 == LIO_CMD_FNV_ENABLE)
199 			lio_dev_info(oct, "FNV Enabled\n");
200 		else if (nctrl->ncmd.s.param1 == LIO_CMD_FNV_DISABLE)
201 			lio_dev_info(oct, "FNV Disabled\n");
202 		break;
203 
204 	case LIO_CMD_PKT_STEERING_CTL:
205 		if (nctrl->ncmd.s.param1 == LIO_CMD_PKT_STEERING_ENABLE) {
206 			lio_dev_info(oct, "Packet Steering Enabled\n");
207 		} else if (nctrl->ncmd.s.param1 ==
208 			   LIO_CMD_PKT_STEERING_DISABLE) {
209 			lio_dev_info(oct, "Packet Steering Disabled\n");
210 		}
211 
212 		break;
213 
214 	case LIO_CMD_QUEUE_COUNT_CTL:
215 		lio_dev_info(oct, "Queue count updated to %d\n",
216 			     nctrl->ncmd.s.param1);
217 		break;
218 
219 	default:
220 		lio_dev_err(oct, "%s Unknown cmd %d\n", __func__,
221 			    nctrl->ncmd.s.cmd);
222 	}
223 }
224 
225 
226 /*
227  * \brief Setup output queue
228  * @param oct octeon device
229  * @param q_no which queue
230  * @param num_descs how many descriptors
231  * @param desc_size size of each descriptor
232  * @param app_ctx application context
233  */
234 static int
235 lio_setup_droq(struct octeon_device *oct, int q_no, int num_descs,
236 	       int desc_size, void *app_ctx)
237 {
238 	int	ret_val = 0;
239 
240 	lio_dev_dbg(oct, "Creating Droq: %d\n", q_no);
241 	/* droq creation and local register settings. */
242 	ret_val = lio_create_droq(oct, q_no, num_descs, desc_size, app_ctx);
243 	if (ret_val < 0)
244 		return (ret_val);
245 
246 	if (ret_val == 1) {
247 		lio_dev_dbg(oct, "Using default droq %d\n", q_no);
248 		return (0);
249 	}
250 
251 	/*
252 	 * Send Credit for Octeon Output queues. Credits are always
253          * sent after the output queue is enabled.
254          */
255 	lio_write_csr32(oct, oct->droq[q_no]->pkts_credit_reg,
256 			oct->droq[q_no]->max_count);
257 
258 	return (ret_val);
259 }
260 
261 static void
262 lio_push_packet(void *m_buff, uint32_t len, union octeon_rh *rh, void *rxq,
263 		void *arg)
264 {
265 	struct mbuf	*mbuf = m_buff;
266 	struct ifnet	*ifp = arg;
267 	struct lio_droq	*droq = rxq;
268 
269 	if (ifp != NULL) {
270 		struct lio	*lio = if_getsoftc(ifp);
271 
272 		/* Do not proceed if the interface is not in RUNNING state. */
273 		if (!lio_ifstate_check(lio, LIO_IFSTATE_RUNNING)) {
274 			lio_recv_buffer_free(mbuf);
275 			droq->stats.rx_dropped++;
276 			return;
277 		}
278 
279 		if (rh->r_dh.has_hash) {
280 			uint32_t	hashtype, hashval;
281 
282 			if (rh->r_dh.has_hwtstamp) {
283 				hashval = htobe32(*(uint32_t *)
284 						  (((uint8_t *)mbuf->m_data) +
285 						   ((rh->r_dh.len - 2) *
286 						    BYTES_PER_DHLEN_UNIT)));
287 				hashtype =
288 				    htobe32(*(((uint32_t *)
289 					       (((uint8_t *)mbuf->m_data) +
290 						((rh->r_dh.len - 2) *
291 						 BYTES_PER_DHLEN_UNIT))) + 1));
292 			} else {
293 				hashval = htobe32(*(uint32_t *)
294 						  (((uint8_t *)mbuf->m_data) +
295 						   ((rh->r_dh.len - 1) *
296 						    BYTES_PER_DHLEN_UNIT)));
297 				hashtype =
298 				    htobe32(*(((uint32_t *)
299 					       (((uint8_t *)mbuf->m_data) +
300 						((rh->r_dh.len - 1) *
301 						 BYTES_PER_DHLEN_UNIT))) + 1));
302 			}
303 
304 			mbuf->m_pkthdr.flowid = hashval;
305 
306 			switch (hashtype) {
307 			case LIO_RSS_HASH_IPV4:
308 				M_HASHTYPE_SET(mbuf, M_HASHTYPE_RSS_IPV4);
309 				break;
310 			case LIO_RSS_HASH_TCP_IPV4:
311 				M_HASHTYPE_SET(mbuf, M_HASHTYPE_RSS_TCP_IPV4);
312 				break;
313 			case LIO_RSS_HASH_IPV6:
314 				M_HASHTYPE_SET(mbuf, M_HASHTYPE_RSS_IPV6);
315 				break;
316 			case LIO_RSS_HASH_TCP_IPV6:
317 				M_HASHTYPE_SET(mbuf, M_HASHTYPE_RSS_TCP_IPV6);
318 				break;
319 			case LIO_RSS_HASH_IPV6_EX:
320 				M_HASHTYPE_SET(mbuf, M_HASHTYPE_RSS_IPV6_EX);
321 				break;
322 			case LIO_RSS_HASH_TCP_IPV6_EX:
323 				M_HASHTYPE_SET(mbuf,
324 					       M_HASHTYPE_RSS_TCP_IPV6_EX);
325 				break;
326 			default:
327 				M_HASHTYPE_SET(mbuf, M_HASHTYPE_OPAQUE_HASH);
328 			}
329 
330 		} else {
331 			/*
332                          * This case won't hit as FW will always set has_hash
333                          * in rh.
334                          */
335 			M_HASHTYPE_SET(mbuf, M_HASHTYPE_OPAQUE);
336 			mbuf->m_pkthdr.flowid = droq->q_no;
337 		}
338 
339 		m_adj(mbuf, rh->r_dh.len * 8);
340 		len -= rh->r_dh.len * 8;
341 		mbuf->m_flags |= M_PKTHDR;
342 
343 		if ((if_getcapenable(ifp) & IFCAP_VLAN_HWTAGGING) &&
344 		    (rh->r_dh.priority || rh->r_dh.vlan)) {
345 			uint16_t	priority = rh->r_dh.priority;
346 			uint16_t	vid = rh->r_dh.vlan;
347 			uint16_t	vtag;
348 
349 			vtag = priority << 13 | vid;
350 			mbuf->m_pkthdr.ether_vtag = vtag;
351 			mbuf->m_flags |= M_VLANTAG;
352 		}
353 
354 		if (rh->r_dh.csum_verified & LIO_IPSUM_VERIFIED)
355 			mbuf->m_pkthdr.csum_flags |= (CSUM_L3_CALC |
356 						      CSUM_L3_VALID);
357 
358 		if (rh->r_dh.csum_verified & LIO_L4SUM_VERIFIED) {
359 			mbuf->m_pkthdr.csum_flags |= (CSUM_L4_CALC |
360 						      CSUM_L4_VALID);
361 			mbuf->m_pkthdr.csum_flags |= (CSUM_DATA_VALID |
362 						      CSUM_PSEUDO_HDR);
363 			mbuf->m_pkthdr.csum_data = htons(0xffff);
364 		}
365 
366 		mbuf->m_pkthdr.rcvif = ifp;
367 		mbuf->m_pkthdr.len = len;
368 
369 		if ((lio_hwlro == 0) &&
370 		    (if_getcapenable(ifp) & IFCAP_LRO) &&
371 		    (mbuf->m_pkthdr.csum_flags &
372 		     (CSUM_L3_VALID | CSUM_L4_VALID | CSUM_DATA_VALID |
373 		      CSUM_PSEUDO_HDR)) == (CSUM_L3_VALID | CSUM_L4_VALID |
374 					    CSUM_DATA_VALID |
375 					    CSUM_PSEUDO_HDR)) {
376 			if (droq->lro.lro_cnt) {
377 				if (tcp_lro_rx(&droq->lro, mbuf, 0) == 0) {
378 					droq->stats.rx_bytes_received += len;
379 					droq->stats.rx_pkts_received++;
380 					return;
381 				}
382 			}
383 		}
384 
385 		if_input(ifp, mbuf);
386 
387 		droq->stats.rx_bytes_received += len;
388 		droq->stats.rx_pkts_received++;
389 
390 	} else {
391 		lio_recv_buffer_free(mbuf);
392 		droq->stats.rx_dropped++;
393 	}
394 }
395 
396 /*
397  * \brief Setup input and output queues
398  * @param octeon_dev octeon device
399  * @param ifidx  Interface Index
400  *
401  * Note: Queues are with respect to the octeon device. Thus
402  * an input queue is for egress packets, and output queues
403  * are for ingress packets.
404  */
405 int
406 lio_setup_io_queues(struct octeon_device *octeon_dev, int ifidx,
407 		    uint32_t num_iqs, uint32_t num_oqs)
408 {
409 	struct lio_droq_ops	droq_ops;
410 	struct ifnet		*ifp;
411 	struct lio_droq		*droq;
412 	struct lio		*lio;
413 	static int		cpu_id, cpu_id_modulus;
414 	int	num_tx_descs, q, q_no, retval = 0;
415 
416 	ifp = octeon_dev->props.ifp;
417 
418 	lio = if_getsoftc(ifp);
419 
420 	bzero(&droq_ops, sizeof(struct lio_droq_ops));
421 
422 	droq_ops.fptr = lio_push_packet;
423 	droq_ops.farg = (void *)ifp;
424 
425 	cpu_id = 0;
426 	cpu_id_modulus = mp_ncpus;
427 	/* set up DROQs. */
428 	for (q = 0; q < num_oqs; q++) {
429 		q_no = lio->linfo.rxpciq[q].s.q_no;
430 		lio_dev_dbg(octeon_dev, "lio_setup_io_queues index:%d linfo.rxpciq.s.q_no:%d\n",
431 			    q, q_no);
432 		retval = lio_setup_droq(octeon_dev, q_no,
433 					LIO_GET_NUM_RX_DESCS_NIC_IF_CFG(
434 						     lio_get_conf(octeon_dev),
435 								  lio->ifidx),
436 					LIO_GET_NUM_RX_BUF_SIZE_NIC_IF_CFG(
437 						     lio_get_conf(octeon_dev),
438 							   lio->ifidx), NULL);
439 		if (retval) {
440 			lio_dev_err(octeon_dev, "%s : Runtime DROQ(RxQ) creation failed.\n",
441 				    __func__);
442 			return (1);
443 		}
444 
445 		droq = octeon_dev->droq[q_no];
446 
447 		/* designate a CPU for this droq */
448 		droq->cpu_id = cpu_id;
449 		cpu_id++;
450 		if (cpu_id >= cpu_id_modulus)
451 			cpu_id = 0;
452 
453 		lio_register_droq_ops(octeon_dev, q_no, &droq_ops);
454 	}
455 
456 	/* set up IQs. */
457 	for (q = 0; q < num_iqs; q++) {
458 		num_tx_descs = LIO_GET_NUM_TX_DESCS_NIC_IF_CFG(
459 						     lio_get_conf(octeon_dev),
460 							       lio->ifidx);
461 		retval = lio_setup_iq(octeon_dev, ifidx, q,
462 				      lio->linfo.txpciq[q], num_tx_descs);
463 		if (retval) {
464 			lio_dev_err(octeon_dev, " %s : Runtime IQ(TxQ) creation failed.\n",
465 				    __func__);
466 			return (1);
467 		}
468 	}
469 
470 	return (0);
471 }
472 
473 /*
474  * \brief Droq packet processor sceduler
475  * @param oct octeon device
476  */
477 static void
478 lio_schedule_droq_pkt_handlers(struct octeon_device *oct)
479 {
480 	struct lio_droq	*droq;
481 	uint64_t	oq_no;
482 
483 	if (oct->int_status & LIO_DEV_INTR_PKT_DATA) {
484 		for (oq_no = 0; oq_no < LIO_MAX_OUTPUT_QUEUES(oct); oq_no++) {
485 			if (!(oct->io_qmask.oq & BIT_ULL(oq_no)))
486 				continue;
487 
488 			droq = oct->droq[oq_no];
489 
490 			taskqueue_enqueue(droq->droq_taskqueue,
491 					  &droq->droq_task);
492 		}
493 	}
494 }
495 
496 static void
497 lio_msix_intr_handler(void *vector)
498 {
499 	struct lio_ioq_vector	*ioq_vector = (struct lio_ioq_vector *)vector;
500 	struct octeon_device	*oct = ioq_vector->oct_dev;
501 	struct lio_droq		*droq = oct->droq[ioq_vector->droq_index];
502 	uint64_t		ret;
503 
504 	ret = oct->fn_list.msix_interrupt_handler(ioq_vector);
505 
506 	if ((ret & LIO_MSIX_PO_INT) || (ret & LIO_MSIX_PI_INT)) {
507 		struct lio_instr_queue *iq = oct->instr_queue[droq->q_no];
508 		int	reschedule, tx_done = 1;
509 
510 		reschedule = lio_droq_process_packets(oct, droq, oct->rx_budget);
511 
512 		if (atomic_load_acq_int(&iq->instr_pending))
513 			tx_done = lio_flush_iq(oct, iq, oct->tx_budget);
514 
515 		if ((oct->props.ifp != NULL) && (iq->br != NULL)) {
516 			if (mtx_trylock(&iq->enq_lock)) {
517 				if (!drbr_empty(oct->props.ifp, iq->br))
518 					lio_mq_start_locked(oct->props.ifp,
519 							    iq);
520 				mtx_unlock(&iq->enq_lock);
521 			}
522 		}
523 
524 		if (reschedule || !tx_done)
525 			taskqueue_enqueue(droq->droq_taskqueue, &droq->droq_task);
526 		else
527 			lio_enable_irq(droq, iq);
528 	}
529 }
530 
531 static void
532 lio_intr_handler(void *dev)
533 {
534 	struct octeon_device	*oct = (struct octeon_device *)dev;
535 
536 	/* Disable our interrupts for the duration of ISR */
537 	oct->fn_list.disable_interrupt(oct, OCTEON_ALL_INTR);
538 
539 	oct->fn_list.process_interrupt_regs(oct);
540 
541 	lio_schedule_droq_pkt_handlers(oct);
542 
543 	/* Re-enable our interrupts  */
544 	if (!(atomic_load_acq_int(&oct->status) == LIO_DEV_IN_RESET))
545 		oct->fn_list.enable_interrupt(oct, OCTEON_ALL_INTR);
546 }
547 
548 int
549 lio_setup_interrupt(struct octeon_device *oct, uint32_t num_ioqs)
550 {
551 	device_t		device;
552 	struct lio_ioq_vector	*ioq_vector;
553 	int	cpu_id, err, i;
554 	int	num_alloc_ioq_vectors;
555 	int	num_ioq_vectors;
556 	int	res_id;
557 
558 	if (!oct->msix_on)
559 		return (1);
560 
561 	ioq_vector = oct->ioq_vector;
562 
563 #ifdef RSS
564 	if (oct->sriov_info.num_pf_rings != rss_getnumbuckets()) {
565 		lio_dev_info(oct, "IOQ vectors (%d) are not equal number of RSS buckets (%d)\n",
566 			     oct->sriov_info.num_pf_rings, rss_getnumbuckets());
567 	}
568 #endif
569 
570 	device = oct->device;
571 
572 	oct->num_msix_irqs = num_ioqs;
573 	/* one non ioq interrupt for handling sli_mac_pf_int_sum */
574 	oct->num_msix_irqs += 1;
575 	num_alloc_ioq_vectors = oct->num_msix_irqs;
576 
577 	if (pci_alloc_msix(device, &num_alloc_ioq_vectors) ||
578 	    (num_alloc_ioq_vectors != oct->num_msix_irqs))
579 		goto err;
580 
581 	num_ioq_vectors = oct->num_msix_irqs;
582 
583 	/* For PF, there is one non-ioq interrupt handler */
584 	for (i = 0; i < num_ioq_vectors - 1; i++, ioq_vector++) {
585 		res_id = i + 1;
586 
587 		ioq_vector->msix_res =
588 		    bus_alloc_resource_any(device, SYS_RES_IRQ, &res_id,
589 					   RF_SHAREABLE | RF_ACTIVE);
590 		if (ioq_vector->msix_res == NULL) {
591 			lio_dev_err(oct,
592 				    "Unable to allocate bus res msix[%d]\n", i);
593 			goto err_1;
594 		}
595 
596 		err = bus_setup_intr(device, ioq_vector->msix_res,
597 				     INTR_TYPE_NET | INTR_MPSAFE, NULL,
598 				     lio_msix_intr_handler, ioq_vector,
599 				     &ioq_vector->tag);
600 		if (err) {
601 			bus_release_resource(device, SYS_RES_IRQ, res_id,
602 					     ioq_vector->msix_res);
603 			ioq_vector->msix_res = NULL;
604 			lio_dev_err(oct, "Failed to register intr handler");
605 			goto err_1;
606 		}
607 
608 		bus_describe_intr(device, ioq_vector->msix_res, ioq_vector->tag,
609 				  "rxtx%u", i);
610 		ioq_vector->vector = res_id;
611 
612 #ifdef RSS
613 		cpu_id = rss_getcpu(i % rss_getnumbuckets());
614 #else
615 		cpu_id = i % mp_ncpus;
616 #endif
617 		CPU_SETOF(cpu_id, &ioq_vector->affinity_mask);
618 
619 		/* Setting the IRQ affinity. */
620 		err = bus_bind_intr(device, ioq_vector->msix_res, cpu_id);
621 		if (err)
622 			lio_dev_err(oct, "bus bind interrupt fail");
623 #ifdef RSS
624 		lio_dev_dbg(oct, "Bound RSS bucket %d to CPU %d\n", i, cpu_id);
625 #else
626 		lio_dev_dbg(oct, "Bound Queue %d to CPU %d\n", i, cpu_id);
627 #endif
628 	}
629 
630 	lio_dev_dbg(oct, "MSI-X enabled\n");
631 
632 	res_id = num_ioq_vectors;
633 	oct->msix_res = bus_alloc_resource_any(device, SYS_RES_IRQ, &res_id,
634 					       RF_SHAREABLE | RF_ACTIVE);
635 	if (oct->msix_res == NULL) {
636 		lio_dev_err(oct, "Unable to allocate bus res msix for non-ioq interrupt\n");
637 		goto err_1;
638 	}
639 
640 	err = bus_setup_intr(device, oct->msix_res, INTR_TYPE_NET | INTR_MPSAFE,
641 			     NULL, lio_intr_handler, oct, &oct->tag);
642 	if (err) {
643 		bus_release_resource(device, SYS_RES_IRQ, res_id,
644 				     oct->msix_res);
645 		oct->msix_res = NULL;
646 		lio_dev_err(oct, "Failed to register intr handler");
647 		goto err_1;
648 	}
649 
650 	bus_describe_intr(device, oct->msix_res, oct->tag, "aux");
651 	oct->aux_vector = res_id;
652 
653 	return (0);
654 err_1:
655 	if (oct->tag != NULL) {
656 		bus_teardown_intr(device, oct->msix_res, oct->tag);
657 		oct->tag = NULL;
658 	}
659 
660 	while (i) {
661 		i--;
662 		ioq_vector--;
663 
664 		if (ioq_vector->tag != NULL) {
665 			bus_teardown_intr(device, ioq_vector->msix_res,
666 					  ioq_vector->tag);
667 			ioq_vector->tag = NULL;
668 		}
669 
670 		if (ioq_vector->msix_res != NULL) {
671 			bus_release_resource(device, SYS_RES_IRQ,
672 					     ioq_vector->vector,
673 					     ioq_vector->msix_res);
674 			ioq_vector->msix_res = NULL;
675 		}
676 	}
677 
678 	if (oct->msix_res != NULL) {
679 		bus_release_resource(device, SYS_RES_IRQ, oct->aux_vector,
680 				     oct->msix_res);
681 		oct->msix_res = NULL;
682 	}
683 err:
684 	pci_release_msi(device);
685 	lio_dev_err(oct, "MSI-X disabled\n");
686 	return (1);
687 }
688