2 * Copyright 2008-2014 Cisco Systems, Inc. All rights reserved.
3 * Copyright 2007 Nuova Systems, Inc. All rights reserved.
5 * Copyright (c) 2014, Cisco Systems, Inc.
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
23 * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
24 * COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
26 * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
27 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
30 * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
31 * POSSIBILITY OF SUCH DAMAGE.
43 #include <rte_memzone.h>
44 #include <rte_malloc.h>
46 #include <rte_string_fns.h>
47 #include <rte_ethdev.h>
49 #include "enic_compat.h"
51 #include "wq_enet_desc.h"
52 #include "rq_enet_desc.h"
53 #include "cq_enet_desc.h"
54 #include "vnic_enet.h"
59 #include "vnic_intr.h"
62 static inline int enic_is_sriov_vf(struct enic *enic)
64 return enic->pdev->id.device_id == PCI_DEVICE_ID_CISCO_VIC_ENET_VF;
67 static int is_zero_addr(uint8_t *addr)
69 return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
72 static int is_mcast_addr(uint8_t *addr)
77 static int is_eth_addr_valid(uint8_t *addr)
79 return !is_mcast_addr(addr) && !is_zero_addr(addr);
83 enic_rxmbuf_queue_release(__rte_unused struct enic *enic, struct vnic_rq *rq)
87 if (!rq || !rq->mbuf_ring) {
88 dev_debug(enic, "Pointer to rq or mbuf_ring is NULL");
92 for (i = 0; i < rq->ring.desc_count; i++) {
93 if (rq->mbuf_ring[i]) {
94 rte_pktmbuf_free_seg(rq->mbuf_ring[i]);
95 rq->mbuf_ring[i] = NULL;
100 void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size)
102 vnic_set_hdr_split_size(enic->vdev, split_hdr_size);
105 static void enic_free_wq_buf(struct vnic_wq_buf *buf)
107 struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->mb;
109 rte_mempool_put(mbuf->pool, mbuf);
113 static void enic_log_q_error(struct enic *enic)
118 for (i = 0; i < enic->wq_count; i++) {
119 error_status = vnic_wq_error_status(&enic->wq[i]);
121 dev_err(enic, "WQ[%d] error_status %d\n", i,
125 for (i = 0; i < enic->rq_count; i++) {
126 error_status = vnic_rq_error_status(&enic->rq[i]);
128 dev_err(enic, "RQ[%d] error_status %d\n", i,
133 static void enic_clear_soft_stats(struct enic *enic)
135 struct enic_soft_stats *soft_stats = &enic->soft_stats;
136 rte_atomic64_clear(&soft_stats->rx_nombuf);
137 rte_atomic64_clear(&soft_stats->rx_packet_errors);
140 static void enic_init_soft_stats(struct enic *enic)
142 struct enic_soft_stats *soft_stats = &enic->soft_stats;
143 rte_atomic64_init(&soft_stats->rx_nombuf);
144 rte_atomic64_init(&soft_stats->rx_packet_errors);
145 enic_clear_soft_stats(enic);
148 void enic_dev_stats_clear(struct enic *enic)
150 if (vnic_dev_stats_clear(enic->vdev))
151 dev_err(enic, "Error in clearing stats\n");
152 enic_clear_soft_stats(enic);
155 void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
157 struct vnic_stats *stats;
158 struct enic_soft_stats *soft_stats = &enic->soft_stats;
159 int64_t rx_truncated;
160 uint64_t rx_packet_errors;
162 if (vnic_dev_stats_dump(enic->vdev, &stats)) {
163 dev_err(enic, "Error in getting stats\n");
167 /* The number of truncated packets can only be calculated by
168 * subtracting a hardware counter from error packets received by
169 * the driver. Note: this causes transient inaccuracies in the
170 * ipackets count. Also, the length of truncated packets are
171 * counted in ibytes even though truncated packets are dropped
172 * which can make ibytes be slightly higher than it should be.
174 rx_packet_errors = rte_atomic64_read(&soft_stats->rx_packet_errors);
175 rx_truncated = rx_packet_errors - stats->rx.rx_errors;
177 r_stats->ipackets = stats->rx.rx_frames_ok - rx_truncated;
178 r_stats->opackets = stats->tx.tx_frames_ok;
180 r_stats->ibytes = stats->rx.rx_bytes_ok;
181 r_stats->obytes = stats->tx.tx_bytes_ok;
183 r_stats->ierrors = stats->rx.rx_errors + stats->rx.rx_drop;
184 r_stats->oerrors = stats->tx.tx_errors;
186 r_stats->imissed = stats->rx.rx_no_bufs + rx_truncated;
188 r_stats->rx_nombuf = rte_atomic64_read(&soft_stats->rx_nombuf);
191 void enic_del_mac_address(struct enic *enic)
193 if (vnic_dev_del_addr(enic->vdev, enic->mac_addr))
194 dev_err(enic, "del mac addr failed\n");
197 void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr)
201 if (!is_eth_addr_valid(mac_addr)) {
202 dev_err(enic, "invalid mac address\n");
206 err = vnic_dev_del_addr(enic->vdev, mac_addr);
208 dev_err(enic, "del mac addr failed\n");
212 ether_addr_copy((struct ether_addr *)mac_addr,
213 (struct ether_addr *)enic->mac_addr);
215 err = vnic_dev_add_addr(enic->vdev, mac_addr);
217 dev_err(enic, "add mac addr failed\n");
223 enic_free_rq_buf(struct rte_mbuf **mbuf)
228 rte_pktmbuf_free(*mbuf);
232 void enic_init_vnic_resources(struct enic *enic)
234 unsigned int error_interrupt_enable = 1;
235 unsigned int error_interrupt_offset = 0;
236 unsigned int index = 0;
239 for (index = 0; index < enic->rq_count; index++) {
240 vnic_rq_init(&enic->rq[index],
241 enic_cq_rq(enic, index),
242 error_interrupt_enable,
243 error_interrupt_offset);
245 cq_idx = enic_cq_rq(enic, index);
246 vnic_cq_init(&enic->cq[cq_idx],
247 0 /* flow_control_enable */,
248 1 /* color_enable */,
251 1 /* cq_tail_color */,
252 0 /* interrupt_enable */,
253 1 /* cq_entry_enable */,
254 0 /* cq_message_enable */,
255 0 /* interrupt offset */,
256 0 /* cq_message_addr */);
259 for (index = 0; index < enic->wq_count; index++) {
260 vnic_wq_init(&enic->wq[index],
261 enic_cq_wq(enic, index),
262 error_interrupt_enable,
263 error_interrupt_offset);
265 cq_idx = enic_cq_wq(enic, index);
266 vnic_cq_init(&enic->cq[cq_idx],
267 0 /* flow_control_enable */,
268 1 /* color_enable */,
271 1 /* cq_tail_color */,
272 0 /* interrupt_enable */,
273 0 /* cq_entry_enable */,
274 1 /* cq_message_enable */,
275 0 /* interrupt offset */,
276 (u64)enic->wq[index].cqmsg_rz->phys_addr);
279 vnic_intr_init(&enic->intr,
280 enic->config.intr_timer_usec,
281 enic->config.intr_timer_type,
282 /*mask_on_assertion*/1);
287 enic_alloc_rx_queue_mbufs(struct enic *enic, struct vnic_rq *rq)
290 struct rq_enet_desc *rqd = rq->ring.descs;
294 dev_debug(enic, "queue %u, allocating %u rx queue mbufs\n", rq->index,
295 rq->ring.desc_count);
297 for (i = 0; i < rq->ring.desc_count; i++, rqd++) {
298 mb = rte_mbuf_raw_alloc(rq->mp);
300 dev_err(enic, "RX mbuf alloc failed queue_id=%u\n",
301 (unsigned)rq->index);
305 dma_addr = (dma_addr_t)(mb->buf_physaddr
306 + RTE_PKTMBUF_HEADROOM);
308 rq_enet_desc_enc(rqd, dma_addr, RQ_ENET_TYPE_ONLY_SOP,
309 mb->buf_len - RTE_PKTMBUF_HEADROOM);
310 rq->mbuf_ring[i] = mb;
313 /* make sure all prior writes are complete before doing the PIO write */
316 /* Post all but the last 2 cache lines' worth of descriptors */
317 rq->posted_index = rq->ring.desc_count - (2 * RTE_CACHE_LINE_SIZE
318 / sizeof(struct rq_enet_desc));
321 dev_debug(enic, "port=%u, qidx=%u, Write %u posted idx, %u sw held\n",
322 enic->port_id, rq->index, rq->posted_index, rq->rx_nb_hold);
323 iowrite32(rq->posted_index, &rq->ctrl->posted_index);
331 enic_alloc_consistent(__rte_unused void *priv, size_t size,
332 dma_addr_t *dma_handle, u8 *name)
335 const struct rte_memzone *rz;
338 rz = rte_memzone_reserve_aligned((const char *)name,
339 size, SOCKET_ID_ANY, 0, ENIC_ALIGN);
341 pr_err("%s : Failed to allocate memory requested for %s\n",
347 *dma_handle = (dma_addr_t)rz->phys_addr;
353 enic_free_consistent(__rte_unused struct rte_pci_device *hwdev,
354 __rte_unused size_t size,
355 __rte_unused void *vaddr,
356 __rte_unused dma_addr_t dma_handle)
358 /* Nothing to be done */
362 enic_intr_handler(__rte_unused struct rte_intr_handle *handle,
365 struct enic *enic = pmd_priv((struct rte_eth_dev *)arg);
367 vnic_intr_return_all_credits(&enic->intr);
369 enic_log_q_error(enic);
372 int enic_enable(struct enic *enic)
376 struct rte_eth_dev *eth_dev = enic->rte_dev;
378 eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
379 eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
380 vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
382 if (enic_clsf_init(enic))
383 dev_warning(enic, "Init of hash table for clsf failed."\
384 "Flow director feature will not work\n");
386 for (index = 0; index < enic->rq_count; index++) {
387 err = enic_alloc_rx_queue_mbufs(enic, &enic->rq[index]);
389 dev_err(enic, "Failed to alloc RX queue mbufs\n");
394 for (index = 0; index < enic->wq_count; index++)
395 vnic_wq_enable(&enic->wq[index]);
396 for (index = 0; index < enic->rq_count; index++)
397 vnic_rq_enable(&enic->rq[index]);
399 vnic_dev_enable_wait(enic->vdev);
401 /* Register and enable error interrupt */
402 rte_intr_callback_register(&(enic->pdev->intr_handle),
403 enic_intr_handler, (void *)enic->rte_dev);
405 rte_intr_enable(&(enic->pdev->intr_handle));
406 vnic_intr_unmask(&enic->intr);
411 int enic_alloc_intr_resources(struct enic *enic)
415 dev_info(enic, "vNIC resources used: "\
416 "wq %d rq %d cq %d intr %d\n",
417 enic->wq_count, enic->rq_count,
418 enic->cq_count, enic->intr_count);
420 err = vnic_intr_alloc(enic->vdev, &enic->intr, 0);
422 enic_free_vnic_resources(enic);
427 void enic_free_rq(void *rxq)
435 rq = (struct vnic_rq *)rxq;
436 enic = vnic_dev_priv(rq->vdev);
437 enic_rxmbuf_queue_release(enic, rq);
438 rte_free(rq->mbuf_ring);
439 rq->mbuf_ring = NULL;
441 vnic_cq_free(&enic->cq[rq->index]);
444 void enic_start_wq(struct enic *enic, uint16_t queue_idx)
446 vnic_wq_enable(&enic->wq[queue_idx]);
449 int enic_stop_wq(struct enic *enic, uint16_t queue_idx)
451 return vnic_wq_disable(&enic->wq[queue_idx]);
454 void enic_start_rq(struct enic *enic, uint16_t queue_idx)
456 vnic_rq_enable(&enic->rq[queue_idx]);
459 int enic_stop_rq(struct enic *enic, uint16_t queue_idx)
461 return vnic_rq_disable(&enic->rq[queue_idx]);
464 int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
465 unsigned int socket_id, struct rte_mempool *mp,
469 struct vnic_rq *rq = &enic->rq[queue_idx];
471 rq->socket_id = socket_id;
475 if (nb_desc > enic->config.rq_desc_count) {
477 "RQ %d - number of rx desc in cmd line (%d)"\
478 "is greater than that in the UCSM/CIMC adapter"\
479 "policy. Applying the value in the adapter "\
481 queue_idx, nb_desc, enic->config.rq_desc_count);
482 nb_desc = enic->config.rq_desc_count;
484 dev_info(enic, "RX Queues - effective number of descs:%d\n",
488 /* Allocate queue resources */
489 rc = vnic_rq_alloc(enic->vdev, rq, queue_idx,
490 nb_desc, sizeof(struct rq_enet_desc));
492 dev_err(enic, "error in allocation of rq\n");
496 rc = vnic_cq_alloc(enic->vdev, &enic->cq[queue_idx], queue_idx,
498 sizeof(struct cq_enet_rq_desc));
500 dev_err(enic, "error in allocation of cq for rq\n");
501 goto err_free_rq_exit;
504 /* Allocate the mbuf ring */
505 rq->mbuf_ring = (struct rte_mbuf **)rte_zmalloc_socket("rq->mbuf_ring",
506 sizeof(struct rte_mbuf *) * nb_desc,
507 RTE_CACHE_LINE_SIZE, rq->socket_id);
509 if (rq->mbuf_ring != NULL)
512 /* cleanup on error */
513 vnic_cq_free(&enic->cq[queue_idx]);
520 void enic_free_wq(void *txq)
528 wq = (struct vnic_wq *)txq;
529 enic = vnic_dev_priv(wq->vdev);
530 rte_memzone_free(wq->cqmsg_rz);
532 vnic_cq_free(&enic->cq[enic->rq_count + wq->index]);
535 int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
536 unsigned int socket_id, uint16_t nb_desc)
539 struct vnic_wq *wq = &enic->wq[queue_idx];
540 unsigned int cq_index = enic_cq_wq(enic, queue_idx);
544 wq->socket_id = socket_id;
546 if (nb_desc > enic->config.wq_desc_count) {
548 "WQ %d - number of tx desc in cmd line (%d)"\
549 "is greater than that in the UCSM/CIMC adapter"\
550 "policy. Applying the value in the adapter "\
552 queue_idx, nb_desc, enic->config.wq_desc_count);
553 } else if (nb_desc != enic->config.wq_desc_count) {
554 enic->config.wq_desc_count = nb_desc;
556 "TX Queues - effective number of descs:%d\n",
561 /* Allocate queue resources */
562 err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx,
563 enic->config.wq_desc_count,
564 sizeof(struct wq_enet_desc));
566 dev_err(enic, "error in allocation of wq\n");
570 err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index,
571 socket_id, enic->config.wq_desc_count,
572 sizeof(struct cq_enet_wq_desc));
575 dev_err(enic, "error in allocation of cq for wq\n");
578 /* setup up CQ message */
579 snprintf((char *)name, sizeof(name),
580 "vnic_cqmsg-%s-%d-%d", enic->bdf_name, queue_idx,
583 wq->cqmsg_rz = rte_memzone_reserve_aligned((const char *)name,
593 int enic_disable(struct enic *enic)
598 vnic_intr_mask(&enic->intr);
599 (void)vnic_intr_masked(&enic->intr); /* flush write */
601 vnic_dev_disable(enic->vdev);
603 enic_clsf_destroy(enic);
605 if (!enic_is_sriov_vf(enic))
606 vnic_dev_del_addr(enic->vdev, enic->mac_addr);
608 for (i = 0; i < enic->wq_count; i++) {
609 err = vnic_wq_disable(&enic->wq[i]);
613 for (i = 0; i < enic->rq_count; i++) {
614 err = vnic_rq_disable(&enic->rq[i]);
619 vnic_dev_set_reset_flag(enic->vdev, 1);
620 vnic_dev_notify_unset(enic->vdev);
622 for (i = 0; i < enic->wq_count; i++)
623 vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
625 for (i = 0; i < enic->rq_count; i++)
626 vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
627 for (i = 0; i < enic->cq_count; i++)
628 vnic_cq_clean(&enic->cq[i]);
629 vnic_intr_clean(&enic->intr);
634 static int enic_dev_wait(struct vnic_dev *vdev,
635 int (*start)(struct vnic_dev *, int),
636 int (*finished)(struct vnic_dev *, int *),
643 err = start(vdev, arg);
647 /* Wait for func to complete...2 seconds max */
648 for (i = 0; i < 2000; i++) {
649 err = finished(vdev, &done);
659 static int enic_dev_open(struct enic *enic)
663 err = enic_dev_wait(enic->vdev, vnic_dev_open,
664 vnic_dev_open_done, 0);
666 dev_err(enic_get_dev(enic),
667 "vNIC device open failed, err %d\n", err);
672 static int enic_set_rsskey(struct enic *enic)
674 dma_addr_t rss_key_buf_pa;
675 union vnic_rss_key *rss_key_buf_va = NULL;
676 static union vnic_rss_key rss_key = {
678 [0] = {.b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}},
679 [1] = {.b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101}},
680 [2] = {.b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115}},
681 [3] = {.b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108}},
687 snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name);
688 rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key),
689 &rss_key_buf_pa, name);
693 rte_memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key));
695 err = enic_set_rss_key(enic,
697 sizeof(union vnic_rss_key));
699 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_key),
700 rss_key_buf_va, rss_key_buf_pa);
705 static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
707 dma_addr_t rss_cpu_buf_pa;
708 union vnic_rss_cpu *rss_cpu_buf_va = NULL;
713 snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name);
714 rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu),
715 &rss_cpu_buf_pa, name);
719 for (i = 0; i < (1 << rss_hash_bits); i++)
720 (*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count;
722 err = enic_set_rss_cpu(enic,
724 sizeof(union vnic_rss_cpu));
726 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu),
727 rss_cpu_buf_va, rss_cpu_buf_pa);
732 static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu,
733 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable)
735 const u8 tso_ipid_split_en = 0;
738 /* Enable VLAN tag stripping */
740 err = enic_set_nic_cfg(enic,
741 rss_default_cpu, rss_hash_type,
742 rss_hash_bits, rss_base_cpu,
743 rss_enable, tso_ipid_split_en,
744 enic->ig_vlan_strip_en);
749 int enic_set_rss_nic_cfg(struct enic *enic)
751 const u8 rss_default_cpu = 0;
752 const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 |
753 NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 |
754 NIC_CFG_RSS_HASH_TYPE_IPV6 |
755 NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
756 const u8 rss_hash_bits = 7;
757 const u8 rss_base_cpu = 0;
758 u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1);
761 if (!enic_set_rsskey(enic)) {
762 if (enic_set_rsscpu(enic, rss_hash_bits)) {
764 dev_warning(enic, "RSS disabled, "\
765 "Failed to set RSS cpu indirection table.");
770 "RSS disabled, Failed to set RSS key.\n");
774 return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type,
775 rss_hash_bits, rss_base_cpu, rss_enable);
778 int enic_setup_finish(struct enic *enic)
782 enic_init_soft_stats(enic);
784 ret = enic_set_rss_nic_cfg(enic);
786 dev_err(enic, "Failed to config nic, aborting.\n");
790 vnic_dev_add_addr(enic->vdev, enic->mac_addr);
793 vnic_dev_packet_filter(enic->vdev,
806 void enic_add_packet_filter(struct enic *enic)
808 /* Args -> directed, multicast, broadcast, promisc, allmulti */
809 vnic_dev_packet_filter(enic->vdev, 1, 1, 1,
810 enic->promisc, enic->allmulti);
813 int enic_get_link_status(struct enic *enic)
815 return vnic_dev_link_status(enic->vdev);
818 static void enic_dev_deinit(struct enic *enic)
820 struct rte_eth_dev *eth_dev = enic->rte_dev;
822 rte_free(eth_dev->data->mac_addrs);
826 int enic_set_vnic_res(struct enic *enic)
828 struct rte_eth_dev *eth_dev = enic->rte_dev;
831 if (enic->rq_count < eth_dev->data->nb_rx_queues) {
832 dev_err(dev, "Not enough Receive queues. Requested:%u, Configured:%u\n",
833 eth_dev->data->nb_rx_queues, enic->rq_count);
836 if (enic->wq_count < eth_dev->data->nb_tx_queues) {
837 dev_err(dev, "Not enough Transmit queues. Requested:%u, Configured:%u\n",
838 eth_dev->data->nb_tx_queues, enic->wq_count);
842 if (enic->cq_count < (enic->rq_count + enic->wq_count)) {
843 dev_err(dev, "Not enough Completion queues. Required:%u, Configured:%u\n",
844 enic->rq_count + enic->wq_count, enic->cq_count);
849 enic->rq_count = eth_dev->data->nb_rx_queues;
850 enic->wq_count = eth_dev->data->nb_tx_queues;
851 enic->cq_count = enic->rq_count + enic->wq_count;
857 static int enic_dev_init(struct enic *enic)
860 struct rte_eth_dev *eth_dev = enic->rte_dev;
862 vnic_dev_intr_coal_timer_info_default(enic->vdev);
864 /* Get vNIC configuration
866 err = enic_get_vnic_config(enic);
868 dev_err(dev, "Get vNIC configuration failed, aborting\n");
872 eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN, 0);
873 if (!eth_dev->data->mac_addrs) {
874 dev_err(enic, "mac addr storage alloc failed, aborting.\n");
877 ether_addr_copy((struct ether_addr *) enic->mac_addr,
878 ð_dev->data->mac_addrs[0]);
881 /* Get available resource counts
883 enic_get_res_counts(enic);
885 vnic_dev_set_reset_flag(enic->vdev, 0);
891 int enic_probe(struct enic *enic)
893 struct rte_pci_device *pdev = enic->pdev;
896 dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION);
898 enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr;
899 enic->bar0.len = pdev->mem_resource[0].len;
901 /* Register vNIC device */
902 enic->vdev = vnic_dev_register(NULL, enic, enic->pdev, &enic->bar0, 1);
904 dev_err(enic, "vNIC registration failed, aborting\n");
908 vnic_register_cbacks(enic->vdev,
909 enic_alloc_consistent,
910 enic_free_consistent);
912 /* Issue device open to get device in known state */
913 err = enic_dev_open(enic);
915 dev_err(enic, "vNIC dev open failed, aborting\n");
916 goto err_out_unregister;
919 /* Set ingress vlan rewrite mode before vnic initialization */
920 err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
921 IG_VLAN_REWRITE_MODE_PASS_THRU);
924 "Failed to set ingress vlan rewrite mode, aborting.\n");
925 goto err_out_dev_close;
928 /* Issue device init to initialize the vnic-to-switch link.
929 * We'll start with carrier off and wait for link UP
930 * notification later to turn on carrier. We don't need
931 * to wait here for the vnic-to-switch link initialization
932 * to complete; link UP notification is the indication that
933 * the process is complete.
936 err = vnic_dev_init(enic->vdev, 0);
938 dev_err(enic, "vNIC dev init failed, aborting\n");
939 goto err_out_dev_close;
942 err = enic_dev_init(enic);
944 dev_err(enic, "Device initialization failed, aborting\n");
945 goto err_out_dev_close;
951 vnic_dev_close(enic->vdev);
953 vnic_dev_unregister(enic->vdev);
958 void enic_remove(struct enic *enic)
960 enic_dev_deinit(enic);
961 vnic_dev_close(enic->vdev);
962 vnic_dev_unregister(enic->vdev);