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;
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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"
61 #include "enic_vnic_wq.h"
63 static inline struct rte_mbuf *
64 rte_rxmbuf_alloc(struct rte_mempool *mp)
68 m = __rte_mbuf_raw_alloc(mp);
69 __rte_mbuf_sanity_check_raw(m, 0);
74 static inline int enic_is_sriov_vf(struct enic *enic)
76 return enic->pdev->id.device_id == PCI_DEVICE_ID_CISCO_VIC_ENET_VF;
79 static int is_zero_addr(uint8_t *addr)
81 return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
84 static int is_mcast_addr(uint8_t *addr)
89 static int is_eth_addr_valid(uint8_t *addr)
91 return !is_mcast_addr(addr) && !is_zero_addr(addr);
95 enic_rxmbuf_queue_release(struct enic *enic, struct vnic_rq *rq)
99 if (!rq || !rq->mbuf_ring) {
100 dev_debug(enic, "Pointer to rq or mbuf_ring is NULL");
104 for (i = 0; i < enic->config.rq_desc_count; i++) {
105 if (rq->mbuf_ring[i]) {
106 rte_pktmbuf_free_seg(rq->mbuf_ring[i]);
107 rq->mbuf_ring[i] = NULL;
113 void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size)
115 vnic_set_hdr_split_size(enic->vdev, split_hdr_size);
118 static void enic_free_wq_buf(__rte_unused struct vnic_wq *wq, struct vnic_wq_buf *buf)
120 struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->os_buf;
122 rte_mempool_put(mbuf->pool, mbuf);
126 static void enic_wq_free_buf(struct vnic_wq *wq,
127 __rte_unused struct cq_desc *cq_desc,
128 struct vnic_wq_buf *buf,
129 __rte_unused void *opaque)
131 enic_free_wq_buf(wq, buf);
134 static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc,
135 __rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque)
137 struct enic *enic = vnic_dev_priv(vdev);
139 vnic_wq_service(&enic->wq[q_number], cq_desc,
140 completed_index, enic_wq_free_buf,
146 static void enic_log_q_error(struct enic *enic)
151 for (i = 0; i < enic->wq_count; i++) {
152 error_status = vnic_wq_error_status(&enic->wq[i]);
154 dev_err(enic, "WQ[%d] error_status %d\n", i,
158 for (i = 0; i < enic->rq_count; i++) {
159 error_status = vnic_rq_error_status(&enic->rq[i]);
161 dev_err(enic, "RQ[%d] error_status %d\n", i,
166 unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq)
168 unsigned int cq = enic_cq_wq(enic, wq->index);
170 /* Return the work done */
171 return vnic_cq_service(&enic->cq[cq],
172 -1 /*wq_work_to_do*/, enic_wq_service, NULL);
175 void enic_post_wq_index(struct vnic_wq *wq)
177 enic_vnic_post_wq_index(wq);
180 void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
181 struct rte_mbuf *tx_pkt, unsigned short len,
182 uint8_t sop, uint8_t eop, uint8_t cq_entry,
183 uint16_t ol_flags, uint16_t vlan_tag)
185 struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
187 uint8_t vlan_tag_insert = 0;
188 uint64_t bus_addr = (dma_addr_t)
189 (tx_pkt->buf_physaddr + tx_pkt->data_off);
192 if (ol_flags & PKT_TX_VLAN_PKT)
195 if (enic->hw_ip_checksum) {
196 if (ol_flags & PKT_TX_IP_CKSUM)
197 mss |= ENIC_CALC_IP_CKSUM;
199 if (ol_flags & PKT_TX_TCP_UDP_CKSUM)
200 mss |= ENIC_CALC_TCP_UDP_CKSUM;
204 wq_enet_desc_enc(desc,
208 0 /* header_length */,
209 0 /* offload_mode WQ_ENET_OFFLOAD_MODE_CSUM */,
217 enic_vnic_post_wq(wq, (void *)tx_pkt, bus_addr, len,
221 0 /*compressed send*/,
225 void enic_dev_stats_clear(struct enic *enic)
227 if (vnic_dev_stats_clear(enic->vdev))
228 dev_err(enic, "Error in clearing stats\n");
231 void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
233 struct vnic_stats *stats;
235 if (vnic_dev_stats_dump(enic->vdev, &stats)) {
236 dev_err(enic, "Error in getting stats\n");
240 r_stats->ipackets = stats->rx.rx_frames_ok;
241 r_stats->opackets = stats->tx.tx_frames_ok;
243 r_stats->ibytes = stats->rx.rx_bytes_ok;
244 r_stats->obytes = stats->tx.tx_bytes_ok;
246 r_stats->ierrors = stats->rx.rx_errors;
247 r_stats->oerrors = stats->tx.tx_errors;
249 r_stats->imissed = stats->rx.rx_drop;
251 r_stats->rx_nombuf = stats->rx.rx_no_bufs;
254 void enic_del_mac_address(struct enic *enic)
256 if (vnic_dev_del_addr(enic->vdev, enic->mac_addr))
257 dev_err(enic, "del mac addr failed\n");
260 void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr)
264 if (!is_eth_addr_valid(mac_addr)) {
265 dev_err(enic, "invalid mac address\n");
269 err = vnic_dev_del_addr(enic->vdev, mac_addr);
271 dev_err(enic, "del mac addr failed\n");
275 ether_addr_copy((struct ether_addr *)mac_addr,
276 (struct ether_addr *)enic->mac_addr);
278 err = vnic_dev_add_addr(enic->vdev, mac_addr);
280 dev_err(enic, "add mac addr failed\n");
286 enic_free_rq_buf(struct rte_mbuf **mbuf)
291 rte_pktmbuf_free(*mbuf);
295 void enic_init_vnic_resources(struct enic *enic)
297 unsigned int error_interrupt_enable = 1;
298 unsigned int error_interrupt_offset = 0;
299 unsigned int index = 0;
301 for (index = 0; index < enic->rq_count; index++) {
302 vnic_rq_init(&enic->rq[index],
303 enic_cq_rq(enic, index),
304 error_interrupt_enable,
305 error_interrupt_offset);
308 for (index = 0; index < enic->wq_count; index++) {
309 vnic_wq_init(&enic->wq[index],
310 enic_cq_wq(enic, index),
311 error_interrupt_enable,
312 error_interrupt_offset);
315 vnic_dev_stats_clear(enic->vdev);
317 for (index = 0; index < enic->cq_count; index++) {
318 vnic_cq_init(&enic->cq[index],
319 0 /* flow_control_enable */,
320 1 /* color_enable */,
323 1 /* cq_tail_color */,
324 0 /* interrupt_enable */,
325 1 /* cq_entry_enable */,
326 0 /* cq_message_enable */,
327 0 /* interrupt offset */,
328 0 /* cq_message_addr */);
331 vnic_intr_init(&enic->intr,
332 enic->config.intr_timer_usec,
333 enic->config.intr_timer_type,
334 /*mask_on_assertion*/1);
339 enic_alloc_rx_queue_mbufs(struct enic *enic, struct vnic_rq *rq)
342 struct rq_enet_desc *rqd = rq->ring.descs;
346 dev_debug(enic, "queue %u, allocating %u rx queue mbufs\n", rq->index,
347 rq->ring.desc_count);
349 for (i = 0; i < rq->ring.desc_count; i++, rqd++) {
350 mb = rte_rxmbuf_alloc(rq->mp);
352 dev_err(enic, "RX mbuf alloc failed queue_id=%u\n",
353 (unsigned)rq->index);
357 dma_addr = (dma_addr_t)(mb->buf_physaddr + mb->data_off);
359 rq_enet_desc_enc(rqd, dma_addr, RQ_ENET_TYPE_ONLY_SOP,
361 rq->mbuf_ring[i] = mb;
364 /* make sure all prior writes are complete before doing the PIO write */
367 /* Post all but the last 2 cache lines' worth of descriptors */
368 rq->posted_index = rq->ring.desc_count - (2 * RTE_CACHE_LINE_SIZE
369 / sizeof(struct rq_enet_desc));
372 dev_debug(enic, "port=%u, qidx=%u, Write %u posted idx, %u sw held\n",
373 enic->port_id, rq->index, rq->posted_index, rq->rx_nb_hold);
374 iowrite32(rq->posted_index, &rq->ctrl->posted_index);
382 enic_alloc_consistent(__rte_unused void *priv, size_t size,
383 dma_addr_t *dma_handle, u8 *name)
386 const struct rte_memzone *rz;
389 rz = rte_memzone_reserve_aligned((const char *)name,
390 size, SOCKET_ID_ANY, 0, ENIC_ALIGN);
392 pr_err("%s : Failed to allocate memory requested for %s\n",
398 *dma_handle = (dma_addr_t)rz->phys_addr;
404 enic_free_consistent(__rte_unused struct rte_pci_device *hwdev,
405 __rte_unused size_t size,
406 __rte_unused void *vaddr,
407 __rte_unused dma_addr_t dma_handle)
409 /* Nothing to be done */
413 enic_intr_handler(__rte_unused struct rte_intr_handle *handle,
416 struct enic *enic = pmd_priv((struct rte_eth_dev *)arg);
418 vnic_intr_return_all_credits(&enic->intr);
420 enic_log_q_error(enic);
423 int enic_enable(struct enic *enic)
427 struct rte_eth_dev *eth_dev = enic->rte_dev;
429 eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
430 eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
431 vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
433 if (enic_clsf_init(enic))
434 dev_warning(enic, "Init of hash table for clsf failed."\
435 "Flow director feature will not work\n");
437 for (index = 0; index < enic->rq_count; index++) {
438 err = enic_alloc_rx_queue_mbufs(enic, &enic->rq[index]);
440 dev_err(enic, "Failed to alloc RX queue mbufs\n");
445 for (index = 0; index < enic->wq_count; index++)
446 vnic_wq_enable(&enic->wq[index]);
447 for (index = 0; index < enic->rq_count; index++)
448 vnic_rq_enable(&enic->rq[index]);
450 vnic_dev_enable_wait(enic->vdev);
452 /* Register and enable error interrupt */
453 rte_intr_callback_register(&(enic->pdev->intr_handle),
454 enic_intr_handler, (void *)enic->rte_dev);
456 rte_intr_enable(&(enic->pdev->intr_handle));
457 vnic_intr_unmask(&enic->intr);
462 int enic_alloc_intr_resources(struct enic *enic)
466 dev_info(enic, "vNIC resources used: "\
467 "wq %d rq %d cq %d intr %d\n",
468 enic->wq_count, enic->rq_count,
469 enic->cq_count, enic->intr_count);
471 err = vnic_intr_alloc(enic->vdev, &enic->intr, 0);
473 enic_free_vnic_resources(enic);
478 void enic_free_rq(void *rxq)
480 struct vnic_rq *rq = (struct vnic_rq *)rxq;
481 struct enic *enic = vnic_dev_priv(rq->vdev);
483 enic_rxmbuf_queue_release(enic, rq);
484 rte_free(rq->mbuf_ring);
485 rq->mbuf_ring = NULL;
487 vnic_cq_free(&enic->cq[rq->index]);
490 void enic_start_wq(struct enic *enic, uint16_t queue_idx)
492 vnic_wq_enable(&enic->wq[queue_idx]);
495 int enic_stop_wq(struct enic *enic, uint16_t queue_idx)
497 return vnic_wq_disable(&enic->wq[queue_idx]);
500 void enic_start_rq(struct enic *enic, uint16_t queue_idx)
502 vnic_rq_enable(&enic->rq[queue_idx]);
505 int enic_stop_rq(struct enic *enic, uint16_t queue_idx)
507 return vnic_rq_disable(&enic->rq[queue_idx]);
510 int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
511 unsigned int socket_id, struct rte_mempool *mp,
515 struct vnic_rq *rq = &enic->rq[queue_idx];
517 rq->socket_id = socket_id;
521 if (nb_desc > enic->config.rq_desc_count) {
523 "RQ %d - number of rx desc in cmd line (%d)"\
524 "is greater than that in the UCSM/CIMC adapter"\
525 "policy. Applying the value in the adapter "\
527 queue_idx, nb_desc, enic->config.rq_desc_count);
528 nb_desc = enic->config.rq_desc_count;
530 dev_info(enic, "RX Queues - effective number of descs:%d\n",
534 /* Allocate queue resources */
535 rc = vnic_rq_alloc(enic->vdev, rq, queue_idx,
536 nb_desc, sizeof(struct rq_enet_desc));
538 dev_err(enic, "error in allocation of rq\n");
542 rc = vnic_cq_alloc(enic->vdev, &enic->cq[queue_idx], queue_idx,
544 sizeof(struct cq_enet_rq_desc));
546 dev_err(enic, "error in allocation of cq for rq\n");
547 goto err_free_rq_exit;
550 /* Allocate the mbuf ring */
551 rq->mbuf_ring = (struct rte_mbuf **)rte_zmalloc_socket("rq->mbuf_ring",
552 sizeof(struct rte_mbuf *) * nb_desc,
553 RTE_CACHE_LINE_SIZE, rq->socket_id);
555 if (rq->mbuf_ring != NULL)
558 /* cleanup on error */
559 vnic_cq_free(&enic->cq[queue_idx]);
566 void enic_free_wq(void *txq)
568 struct vnic_wq *wq = (struct vnic_wq *)txq;
569 struct enic *enic = vnic_dev_priv(wq->vdev);
572 vnic_cq_free(&enic->cq[enic->rq_count + wq->index]);
575 int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
576 unsigned int socket_id, uint16_t nb_desc)
579 struct vnic_wq *wq = &enic->wq[queue_idx];
580 unsigned int cq_index = enic_cq_wq(enic, queue_idx);
582 wq->socket_id = socket_id;
584 if (nb_desc > enic->config.wq_desc_count) {
586 "WQ %d - number of tx desc in cmd line (%d)"\
587 "is greater than that in the UCSM/CIMC adapter"\
588 "policy. Applying the value in the adapter "\
590 queue_idx, nb_desc, enic->config.wq_desc_count);
591 } else if (nb_desc != enic->config.wq_desc_count) {
592 enic->config.wq_desc_count = nb_desc;
594 "TX Queues - effective number of descs:%d\n",
599 /* Allocate queue resources */
600 err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx,
601 enic->config.wq_desc_count,
602 sizeof(struct wq_enet_desc));
604 dev_err(enic, "error in allocation of wq\n");
608 err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index,
609 socket_id, enic->config.wq_desc_count,
610 sizeof(struct cq_enet_wq_desc));
613 dev_err(enic, "error in allocation of cq for wq\n");
619 int enic_disable(struct enic *enic)
624 vnic_intr_mask(&enic->intr);
625 (void)vnic_intr_masked(&enic->intr); /* flush write */
627 vnic_dev_disable(enic->vdev);
629 enic_clsf_destroy(enic);
631 if (!enic_is_sriov_vf(enic))
632 vnic_dev_del_addr(enic->vdev, enic->mac_addr);
634 for (i = 0; i < enic->wq_count; i++) {
635 err = vnic_wq_disable(&enic->wq[i]);
639 for (i = 0; i < enic->rq_count; i++) {
640 err = vnic_rq_disable(&enic->rq[i]);
645 vnic_dev_set_reset_flag(enic->vdev, 1);
646 vnic_dev_notify_unset(enic->vdev);
648 for (i = 0; i < enic->wq_count; i++)
649 vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
651 for (i = 0; i < enic->rq_count; i++)
652 vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
653 for (i = 0; i < enic->cq_count; i++)
654 vnic_cq_clean(&enic->cq[i]);
655 vnic_intr_clean(&enic->intr);
660 static int enic_dev_wait(struct vnic_dev *vdev,
661 int (*start)(struct vnic_dev *, int),
662 int (*finished)(struct vnic_dev *, int *),
669 err = start(vdev, arg);
673 /* Wait for func to complete...2 seconds max */
674 for (i = 0; i < 2000; i++) {
675 err = finished(vdev, &done);
685 static int enic_dev_open(struct enic *enic)
689 err = enic_dev_wait(enic->vdev, vnic_dev_open,
690 vnic_dev_open_done, 0);
692 dev_err(enic_get_dev(enic),
693 "vNIC device open failed, err %d\n", err);
698 static int enic_set_rsskey(struct enic *enic)
700 dma_addr_t rss_key_buf_pa;
701 union vnic_rss_key *rss_key_buf_va = NULL;
702 static union vnic_rss_key rss_key = {
704 [0] = {.b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}},
705 [1] = {.b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101}},
706 [2] = {.b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115}},
707 [3] = {.b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108}},
713 snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name);
714 rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key),
715 &rss_key_buf_pa, name);
719 rte_memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key));
721 err = enic_set_rss_key(enic,
723 sizeof(union vnic_rss_key));
725 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_key),
726 rss_key_buf_va, rss_key_buf_pa);
731 static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
733 dma_addr_t rss_cpu_buf_pa;
734 union vnic_rss_cpu *rss_cpu_buf_va = NULL;
739 snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name);
740 rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu),
741 &rss_cpu_buf_pa, name);
745 for (i = 0; i < (1 << rss_hash_bits); i++)
746 (*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count;
748 err = enic_set_rss_cpu(enic,
750 sizeof(union vnic_rss_cpu));
752 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu),
753 rss_cpu_buf_va, rss_cpu_buf_pa);
758 static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu,
759 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable)
761 const u8 tso_ipid_split_en = 0;
764 /* Enable VLAN tag stripping */
766 err = enic_set_nic_cfg(enic,
767 rss_default_cpu, rss_hash_type,
768 rss_hash_bits, rss_base_cpu,
769 rss_enable, tso_ipid_split_en,
770 enic->ig_vlan_strip_en);
775 int enic_set_rss_nic_cfg(struct enic *enic)
777 const u8 rss_default_cpu = 0;
778 const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 |
779 NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 |
780 NIC_CFG_RSS_HASH_TYPE_IPV6 |
781 NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
782 const u8 rss_hash_bits = 7;
783 const u8 rss_base_cpu = 0;
784 u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1);
787 if (!enic_set_rsskey(enic)) {
788 if (enic_set_rsscpu(enic, rss_hash_bits)) {
790 dev_warning(enic, "RSS disabled, "\
791 "Failed to set RSS cpu indirection table.");
796 "RSS disabled, Failed to set RSS key.\n");
800 return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type,
801 rss_hash_bits, rss_base_cpu, rss_enable);
804 int enic_setup_finish(struct enic *enic)
808 ret = enic_set_rss_nic_cfg(enic);
810 dev_err(enic, "Failed to config nic, aborting.\n");
814 vnic_dev_add_addr(enic->vdev, enic->mac_addr);
817 vnic_dev_packet_filter(enic->vdev,
830 void enic_add_packet_filter(struct enic *enic)
832 /* Args -> directed, multicast, broadcast, promisc, allmulti */
833 vnic_dev_packet_filter(enic->vdev, 1, 1, 1,
834 enic->promisc, enic->allmulti);
837 int enic_get_link_status(struct enic *enic)
839 return vnic_dev_link_status(enic->vdev);
842 static void enic_dev_deinit(struct enic *enic)
844 struct rte_eth_dev *eth_dev = enic->rte_dev;
846 rte_free(eth_dev->data->mac_addrs);
850 int enic_set_vnic_res(struct enic *enic)
852 struct rte_eth_dev *eth_dev = enic->rte_dev;
854 if ((enic->rq_count < eth_dev->data->nb_rx_queues) ||
855 (enic->wq_count < eth_dev->data->nb_tx_queues)) {
856 dev_err(dev, "Not enough resources configured, aborting\n");
860 enic->rq_count = eth_dev->data->nb_rx_queues;
861 enic->wq_count = eth_dev->data->nb_tx_queues;
862 if (enic->cq_count < (enic->rq_count + enic->wq_count)) {
863 dev_err(dev, "Not enough resources configured, aborting\n");
867 enic->cq_count = enic->rq_count + enic->wq_count;
871 static int enic_dev_init(struct enic *enic)
874 struct rte_eth_dev *eth_dev = enic->rte_dev;
876 vnic_dev_intr_coal_timer_info_default(enic->vdev);
878 /* Get vNIC configuration
880 err = enic_get_vnic_config(enic);
882 dev_err(dev, "Get vNIC configuration failed, aborting\n");
886 eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN, 0);
887 if (!eth_dev->data->mac_addrs) {
888 dev_err(enic, "mac addr storage alloc failed, aborting.\n");
891 ether_addr_copy((struct ether_addr *) enic->mac_addr,
892 ð_dev->data->mac_addrs[0]);
895 /* Get available resource counts
897 enic_get_res_counts(enic);
899 vnic_dev_set_reset_flag(enic->vdev, 0);
905 int enic_probe(struct enic *enic)
907 struct rte_pci_device *pdev = enic->pdev;
910 dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION);
912 enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr;
913 enic->bar0.len = pdev->mem_resource[0].len;
915 /* Register vNIC device */
916 enic->vdev = vnic_dev_register(NULL, enic, enic->pdev, &enic->bar0, 1);
918 dev_err(enic, "vNIC registration failed, aborting\n");
922 vnic_register_cbacks(enic->vdev,
923 enic_alloc_consistent,
924 enic_free_consistent);
926 /* Issue device open to get device in known state */
927 err = enic_dev_open(enic);
929 dev_err(enic, "vNIC dev open failed, aborting\n");
930 goto err_out_unregister;
933 /* Set ingress vlan rewrite mode before vnic initialization */
934 err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
935 IG_VLAN_REWRITE_MODE_PASS_THRU);
938 "Failed to set ingress vlan rewrite mode, aborting.\n");
939 goto err_out_dev_close;
942 /* Issue device init to initialize the vnic-to-switch link.
943 * We'll start with carrier off and wait for link UP
944 * notification later to turn on carrier. We don't need
945 * to wait here for the vnic-to-switch link initialization
946 * to complete; link UP notification is the indication that
947 * the process is complete.
950 err = vnic_dev_init(enic->vdev, 0);
952 dev_err(enic, "vNIC dev init failed, aborting\n");
953 goto err_out_dev_close;
956 err = enic_dev_init(enic);
958 dev_err(enic, "Device initialization failed, aborting\n");
959 goto err_out_dev_close;
965 vnic_dev_close(enic->vdev);
967 vnic_dev_unregister(enic->vdev);
972 void enic_remove(struct enic *enic)
974 enic_dev_deinit(enic);
975 vnic_dev_close(enic->vdev);
976 vnic_dev_unregister(enic->vdev);