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(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 < enic->config.rq_desc_count; i++) {
93 if (rq->mbuf_ring[i]) {
94 rte_pktmbuf_free_seg(rq->mbuf_ring[i]);
95 rq->mbuf_ring[i] = NULL;
101 void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size)
103 vnic_set_hdr_split_size(enic->vdev, split_hdr_size);
106 void enic_free_wq_buf(__rte_unused struct vnic_wq *wq, struct vnic_wq_buf *buf)
108 struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->mb;
110 rte_mempool_put(mbuf->pool, mbuf);
114 static void enic_log_q_error(struct enic *enic)
119 for (i = 0; i < enic->wq_count; i++) {
120 error_status = vnic_wq_error_status(&enic->wq[i]);
122 dev_err(enic, "WQ[%d] error_status %d\n", i,
126 for (i = 0; i < enic->rq_count; i++) {
127 error_status = vnic_rq_error_status(&enic->rq[i]);
129 dev_err(enic, "RQ[%d] error_status %d\n", i,
134 static void enic_clear_soft_stats(struct enic *enic)
136 struct enic_soft_stats *soft_stats = &enic->soft_stats;
137 rte_atomic64_clear(&soft_stats->rx_nombuf);
138 rte_atomic64_clear(&soft_stats->rx_packet_errors);
141 static void enic_init_soft_stats(struct enic *enic)
143 struct enic_soft_stats *soft_stats = &enic->soft_stats;
144 rte_atomic64_init(&soft_stats->rx_nombuf);
145 rte_atomic64_init(&soft_stats->rx_packet_errors);
146 enic_clear_soft_stats(enic);
149 void enic_dev_stats_clear(struct enic *enic)
151 if (vnic_dev_stats_clear(enic->vdev))
152 dev_err(enic, "Error in clearing stats\n");
153 enic_clear_soft_stats(enic);
156 void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
158 struct vnic_stats *stats;
159 struct enic_soft_stats *soft_stats = &enic->soft_stats;
160 int64_t rx_truncated;
161 uint64_t rx_packet_errors;
163 if (vnic_dev_stats_dump(enic->vdev, &stats)) {
164 dev_err(enic, "Error in getting stats\n");
168 /* The number of truncated packets can only be calculated by
169 * subtracting a hardware counter from error packets received by
170 * the driver. Note: this causes transient inaccuracies in the
171 * ipackets count. Also, the length of truncated packets are
172 * counted in ibytes even though truncated packets are dropped
173 * which can make ibytes be slightly higher than it should be.
175 rx_packet_errors = rte_atomic64_read(&soft_stats->rx_packet_errors);
176 rx_truncated = rx_packet_errors - stats->rx.rx_errors;
178 r_stats->ipackets = stats->rx.rx_frames_ok - rx_truncated;
179 r_stats->opackets = stats->tx.tx_frames_ok;
181 r_stats->ibytes = stats->rx.rx_bytes_ok;
182 r_stats->obytes = stats->tx.tx_bytes_ok;
184 r_stats->ierrors = stats->rx.rx_errors + stats->rx.rx_drop;
185 r_stats->oerrors = stats->tx.tx_errors;
187 r_stats->imissed = stats->rx.rx_no_bufs + rx_truncated;
189 r_stats->rx_nombuf = rte_atomic64_read(&soft_stats->rx_nombuf);
192 void enic_del_mac_address(struct enic *enic)
194 if (vnic_dev_del_addr(enic->vdev, enic->mac_addr))
195 dev_err(enic, "del mac addr failed\n");
198 void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr)
202 if (!is_eth_addr_valid(mac_addr)) {
203 dev_err(enic, "invalid mac address\n");
207 err = vnic_dev_del_addr(enic->vdev, mac_addr);
209 dev_err(enic, "del mac addr failed\n");
213 ether_addr_copy((struct ether_addr *)mac_addr,
214 (struct ether_addr *)enic->mac_addr);
216 err = vnic_dev_add_addr(enic->vdev, mac_addr);
218 dev_err(enic, "add mac addr failed\n");
224 enic_free_rq_buf(struct rte_mbuf **mbuf)
229 rte_pktmbuf_free(*mbuf);
233 void enic_init_vnic_resources(struct enic *enic)
235 unsigned int error_interrupt_enable = 1;
236 unsigned int error_interrupt_offset = 0;
237 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);
246 for (index = 0; index < enic->wq_count; index++) {
247 vnic_wq_init(&enic->wq[index],
248 enic_cq_wq(enic, index),
249 error_interrupt_enable,
250 error_interrupt_offset);
253 vnic_dev_stats_clear(enic->vdev);
255 for (index = 0; index < enic->cq_count; index++) {
256 vnic_cq_init(&enic->cq[index],
257 0 /* flow_control_enable */,
258 1 /* color_enable */,
261 1 /* cq_tail_color */,
262 0 /* interrupt_enable */,
263 1 /* cq_entry_enable */,
264 0 /* cq_message_enable */,
265 0 /* interrupt offset */,
266 0 /* cq_message_addr */);
269 vnic_intr_init(&enic->intr,
270 enic->config.intr_timer_usec,
271 enic->config.intr_timer_type,
272 /*mask_on_assertion*/1);
277 enic_alloc_rx_queue_mbufs(struct enic *enic, struct vnic_rq *rq)
280 struct rq_enet_desc *rqd = rq->ring.descs;
284 dev_debug(enic, "queue %u, allocating %u rx queue mbufs\n", rq->index,
285 rq->ring.desc_count);
287 for (i = 0; i < rq->ring.desc_count; i++, rqd++) {
288 mb = rte_mbuf_raw_alloc(rq->mp);
290 dev_err(enic, "RX mbuf alloc failed queue_id=%u\n",
291 (unsigned)rq->index);
295 dma_addr = (dma_addr_t)(mb->buf_physaddr
296 + RTE_PKTMBUF_HEADROOM);
298 rq_enet_desc_enc(rqd, dma_addr, RQ_ENET_TYPE_ONLY_SOP,
299 mb->buf_len - RTE_PKTMBUF_HEADROOM);
300 rq->mbuf_ring[i] = mb;
303 /* make sure all prior writes are complete before doing the PIO write */
306 /* Post all but the last 2 cache lines' worth of descriptors */
307 rq->posted_index = rq->ring.desc_count - (2 * RTE_CACHE_LINE_SIZE
308 / sizeof(struct rq_enet_desc));
311 dev_debug(enic, "port=%u, qidx=%u, Write %u posted idx, %u sw held\n",
312 enic->port_id, rq->index, rq->posted_index, rq->rx_nb_hold);
313 iowrite32(rq->posted_index, &rq->ctrl->posted_index);
321 enic_alloc_consistent(__rte_unused void *priv, size_t size,
322 dma_addr_t *dma_handle, u8 *name)
325 const struct rte_memzone *rz;
328 rz = rte_memzone_reserve_aligned((const char *)name,
329 size, SOCKET_ID_ANY, 0, ENIC_ALIGN);
331 pr_err("%s : Failed to allocate memory requested for %s\n",
337 *dma_handle = (dma_addr_t)rz->phys_addr;
343 enic_free_consistent(__rte_unused struct rte_pci_device *hwdev,
344 __rte_unused size_t size,
345 __rte_unused void *vaddr,
346 __rte_unused dma_addr_t dma_handle)
348 /* Nothing to be done */
352 enic_intr_handler(__rte_unused struct rte_intr_handle *handle,
355 struct enic *enic = pmd_priv((struct rte_eth_dev *)arg);
357 vnic_intr_return_all_credits(&enic->intr);
359 enic_log_q_error(enic);
362 int enic_enable(struct enic *enic)
366 struct rte_eth_dev *eth_dev = enic->rte_dev;
368 eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
369 eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
370 vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
372 if (enic_clsf_init(enic))
373 dev_warning(enic, "Init of hash table for clsf failed."\
374 "Flow director feature will not work\n");
376 for (index = 0; index < enic->rq_count; index++) {
377 err = enic_alloc_rx_queue_mbufs(enic, &enic->rq[index]);
379 dev_err(enic, "Failed to alloc RX queue mbufs\n");
384 for (index = 0; index < enic->wq_count; index++)
385 vnic_wq_enable(&enic->wq[index]);
386 for (index = 0; index < enic->rq_count; index++)
387 vnic_rq_enable(&enic->rq[index]);
389 vnic_dev_enable_wait(enic->vdev);
391 /* Register and enable error interrupt */
392 rte_intr_callback_register(&(enic->pdev->intr_handle),
393 enic_intr_handler, (void *)enic->rte_dev);
395 rte_intr_enable(&(enic->pdev->intr_handle));
396 vnic_intr_unmask(&enic->intr);
401 int enic_alloc_intr_resources(struct enic *enic)
405 dev_info(enic, "vNIC resources used: "\
406 "wq %d rq %d cq %d intr %d\n",
407 enic->wq_count, enic->rq_count,
408 enic->cq_count, enic->intr_count);
410 err = vnic_intr_alloc(enic->vdev, &enic->intr, 0);
412 enic_free_vnic_resources(enic);
417 void enic_free_rq(void *rxq)
419 struct vnic_rq *rq = (struct vnic_rq *)rxq;
420 struct enic *enic = vnic_dev_priv(rq->vdev);
422 enic_rxmbuf_queue_release(enic, rq);
423 rte_free(rq->mbuf_ring);
424 rq->mbuf_ring = NULL;
426 vnic_cq_free(&enic->cq[rq->index]);
429 void enic_start_wq(struct enic *enic, uint16_t queue_idx)
431 vnic_wq_enable(&enic->wq[queue_idx]);
434 int enic_stop_wq(struct enic *enic, uint16_t queue_idx)
436 return vnic_wq_disable(&enic->wq[queue_idx]);
439 void enic_start_rq(struct enic *enic, uint16_t queue_idx)
441 vnic_rq_enable(&enic->rq[queue_idx]);
444 int enic_stop_rq(struct enic *enic, uint16_t queue_idx)
446 return vnic_rq_disable(&enic->rq[queue_idx]);
449 int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
450 unsigned int socket_id, struct rte_mempool *mp,
454 struct vnic_rq *rq = &enic->rq[queue_idx];
456 rq->socket_id = socket_id;
460 if (nb_desc > enic->config.rq_desc_count) {
462 "RQ %d - number of rx desc in cmd line (%d)"\
463 "is greater than that in the UCSM/CIMC adapter"\
464 "policy. Applying the value in the adapter "\
466 queue_idx, nb_desc, enic->config.rq_desc_count);
467 nb_desc = enic->config.rq_desc_count;
469 dev_info(enic, "RX Queues - effective number of descs:%d\n",
473 /* Allocate queue resources */
474 rc = vnic_rq_alloc(enic->vdev, rq, queue_idx,
475 nb_desc, sizeof(struct rq_enet_desc));
477 dev_err(enic, "error in allocation of rq\n");
481 rc = vnic_cq_alloc(enic->vdev, &enic->cq[queue_idx], queue_idx,
483 sizeof(struct cq_enet_rq_desc));
485 dev_err(enic, "error in allocation of cq for rq\n");
486 goto err_free_rq_exit;
489 /* Allocate the mbuf ring */
490 rq->mbuf_ring = (struct rte_mbuf **)rte_zmalloc_socket("rq->mbuf_ring",
491 sizeof(struct rte_mbuf *) * nb_desc,
492 RTE_CACHE_LINE_SIZE, rq->socket_id);
494 if (rq->mbuf_ring != NULL)
497 /* cleanup on error */
498 vnic_cq_free(&enic->cq[queue_idx]);
505 void enic_free_wq(void *txq)
507 struct vnic_wq *wq = (struct vnic_wq *)txq;
508 struct enic *enic = vnic_dev_priv(wq->vdev);
511 vnic_cq_free(&enic->cq[enic->rq_count + wq->index]);
514 int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
515 unsigned int socket_id, uint16_t nb_desc)
518 struct vnic_wq *wq = &enic->wq[queue_idx];
519 unsigned int cq_index = enic_cq_wq(enic, queue_idx);
521 wq->socket_id = socket_id;
523 if (nb_desc > enic->config.wq_desc_count) {
525 "WQ %d - number of tx desc in cmd line (%d)"\
526 "is greater than that in the UCSM/CIMC adapter"\
527 "policy. Applying the value in the adapter "\
529 queue_idx, nb_desc, enic->config.wq_desc_count);
530 } else if (nb_desc != enic->config.wq_desc_count) {
531 enic->config.wq_desc_count = nb_desc;
533 "TX Queues - effective number of descs:%d\n",
538 /* Allocate queue resources */
539 err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx,
540 enic->config.wq_desc_count,
541 sizeof(struct wq_enet_desc));
543 dev_err(enic, "error in allocation of wq\n");
547 err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index,
548 socket_id, enic->config.wq_desc_count,
549 sizeof(struct cq_enet_wq_desc));
552 dev_err(enic, "error in allocation of cq for wq\n");
558 int enic_disable(struct enic *enic)
563 vnic_intr_mask(&enic->intr);
564 (void)vnic_intr_masked(&enic->intr); /* flush write */
566 vnic_dev_disable(enic->vdev);
568 enic_clsf_destroy(enic);
570 if (!enic_is_sriov_vf(enic))
571 vnic_dev_del_addr(enic->vdev, enic->mac_addr);
573 for (i = 0; i < enic->wq_count; i++) {
574 err = vnic_wq_disable(&enic->wq[i]);
578 for (i = 0; i < enic->rq_count; i++) {
579 err = vnic_rq_disable(&enic->rq[i]);
584 vnic_dev_set_reset_flag(enic->vdev, 1);
585 vnic_dev_notify_unset(enic->vdev);
587 for (i = 0; i < enic->wq_count; i++)
588 vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
590 for (i = 0; i < enic->rq_count; i++)
591 vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
592 for (i = 0; i < enic->cq_count; i++)
593 vnic_cq_clean(&enic->cq[i]);
594 vnic_intr_clean(&enic->intr);
599 static int enic_dev_wait(struct vnic_dev *vdev,
600 int (*start)(struct vnic_dev *, int),
601 int (*finished)(struct vnic_dev *, int *),
608 err = start(vdev, arg);
612 /* Wait for func to complete...2 seconds max */
613 for (i = 0; i < 2000; i++) {
614 err = finished(vdev, &done);
624 static int enic_dev_open(struct enic *enic)
628 err = enic_dev_wait(enic->vdev, vnic_dev_open,
629 vnic_dev_open_done, 0);
631 dev_err(enic_get_dev(enic),
632 "vNIC device open failed, err %d\n", err);
637 static int enic_set_rsskey(struct enic *enic)
639 dma_addr_t rss_key_buf_pa;
640 union vnic_rss_key *rss_key_buf_va = NULL;
641 static union vnic_rss_key rss_key = {
643 [0] = {.b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}},
644 [1] = {.b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101}},
645 [2] = {.b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115}},
646 [3] = {.b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108}},
652 snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name);
653 rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key),
654 &rss_key_buf_pa, name);
658 rte_memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key));
660 err = enic_set_rss_key(enic,
662 sizeof(union vnic_rss_key));
664 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_key),
665 rss_key_buf_va, rss_key_buf_pa);
670 static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
672 dma_addr_t rss_cpu_buf_pa;
673 union vnic_rss_cpu *rss_cpu_buf_va = NULL;
678 snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name);
679 rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu),
680 &rss_cpu_buf_pa, name);
684 for (i = 0; i < (1 << rss_hash_bits); i++)
685 (*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count;
687 err = enic_set_rss_cpu(enic,
689 sizeof(union vnic_rss_cpu));
691 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu),
692 rss_cpu_buf_va, rss_cpu_buf_pa);
697 static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu,
698 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable)
700 const u8 tso_ipid_split_en = 0;
703 /* Enable VLAN tag stripping */
705 err = enic_set_nic_cfg(enic,
706 rss_default_cpu, rss_hash_type,
707 rss_hash_bits, rss_base_cpu,
708 rss_enable, tso_ipid_split_en,
709 enic->ig_vlan_strip_en);
714 int enic_set_rss_nic_cfg(struct enic *enic)
716 const u8 rss_default_cpu = 0;
717 const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 |
718 NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 |
719 NIC_CFG_RSS_HASH_TYPE_IPV6 |
720 NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
721 const u8 rss_hash_bits = 7;
722 const u8 rss_base_cpu = 0;
723 u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1);
726 if (!enic_set_rsskey(enic)) {
727 if (enic_set_rsscpu(enic, rss_hash_bits)) {
729 dev_warning(enic, "RSS disabled, "\
730 "Failed to set RSS cpu indirection table.");
735 "RSS disabled, Failed to set RSS key.\n");
739 return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type,
740 rss_hash_bits, rss_base_cpu, rss_enable);
743 int enic_setup_finish(struct enic *enic)
747 enic_init_soft_stats(enic);
749 ret = enic_set_rss_nic_cfg(enic);
751 dev_err(enic, "Failed to config nic, aborting.\n");
755 vnic_dev_add_addr(enic->vdev, enic->mac_addr);
758 vnic_dev_packet_filter(enic->vdev,
771 void enic_add_packet_filter(struct enic *enic)
773 /* Args -> directed, multicast, broadcast, promisc, allmulti */
774 vnic_dev_packet_filter(enic->vdev, 1, 1, 1,
775 enic->promisc, enic->allmulti);
778 int enic_get_link_status(struct enic *enic)
780 return vnic_dev_link_status(enic->vdev);
783 static void enic_dev_deinit(struct enic *enic)
785 struct rte_eth_dev *eth_dev = enic->rte_dev;
787 rte_free(eth_dev->data->mac_addrs);
791 int enic_set_vnic_res(struct enic *enic)
793 struct rte_eth_dev *eth_dev = enic->rte_dev;
795 if ((enic->rq_count < eth_dev->data->nb_rx_queues) ||
796 (enic->wq_count < eth_dev->data->nb_tx_queues)) {
797 dev_err(dev, "Not enough resources configured, aborting\n");
801 enic->rq_count = eth_dev->data->nb_rx_queues;
802 enic->wq_count = eth_dev->data->nb_tx_queues;
803 if (enic->cq_count < (enic->rq_count + enic->wq_count)) {
804 dev_err(dev, "Not enough resources configured, aborting\n");
808 enic->cq_count = enic->rq_count + enic->wq_count;
812 static int enic_dev_init(struct enic *enic)
815 struct rte_eth_dev *eth_dev = enic->rte_dev;
817 vnic_dev_intr_coal_timer_info_default(enic->vdev);
819 /* Get vNIC configuration
821 err = enic_get_vnic_config(enic);
823 dev_err(dev, "Get vNIC configuration failed, aborting\n");
827 eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN, 0);
828 if (!eth_dev->data->mac_addrs) {
829 dev_err(enic, "mac addr storage alloc failed, aborting.\n");
832 ether_addr_copy((struct ether_addr *) enic->mac_addr,
833 ð_dev->data->mac_addrs[0]);
836 /* Get available resource counts
838 enic_get_res_counts(enic);
840 vnic_dev_set_reset_flag(enic->vdev, 0);
846 int enic_probe(struct enic *enic)
848 struct rte_pci_device *pdev = enic->pdev;
851 dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION);
853 enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr;
854 enic->bar0.len = pdev->mem_resource[0].len;
856 /* Register vNIC device */
857 enic->vdev = vnic_dev_register(NULL, enic, enic->pdev, &enic->bar0, 1);
859 dev_err(enic, "vNIC registration failed, aborting\n");
863 vnic_register_cbacks(enic->vdev,
864 enic_alloc_consistent,
865 enic_free_consistent);
867 /* Issue device open to get device in known state */
868 err = enic_dev_open(enic);
870 dev_err(enic, "vNIC dev open failed, aborting\n");
871 goto err_out_unregister;
874 /* Set ingress vlan rewrite mode before vnic initialization */
875 err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
876 IG_VLAN_REWRITE_MODE_PASS_THRU);
879 "Failed to set ingress vlan rewrite mode, aborting.\n");
880 goto err_out_dev_close;
883 /* Issue device init to initialize the vnic-to-switch link.
884 * We'll start with carrier off and wait for link UP
885 * notification later to turn on carrier. We don't need
886 * to wait here for the vnic-to-switch link initialization
887 * to complete; link UP notification is the indication that
888 * the process is complete.
891 err = vnic_dev_init(enic->vdev, 0);
893 dev_err(enic, "vNIC dev init failed, aborting\n");
894 goto err_out_dev_close;
897 err = enic_dev_init(enic);
899 dev_err(enic, "Device initialization failed, aborting\n");
900 goto err_out_dev_close;
906 vnic_dev_close(enic->vdev);
908 vnic_dev_unregister(enic->vdev);
913 void enic_remove(struct enic *enic)
915 enic_dev_deinit(enic);
916 vnic_dev_close(enic->vdev);
917 vnic_dev_unregister(enic->vdev);