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"
61 #include "enic_vnic_wq.h"
63 static inline int enic_is_sriov_vf(struct enic *enic)
65 return enic->pdev->id.device_id == PCI_DEVICE_ID_CISCO_VIC_ENET_VF;
68 static int is_zero_addr(uint8_t *addr)
70 return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
73 static int is_mcast_addr(uint8_t *addr)
78 static int is_eth_addr_valid(uint8_t *addr)
80 return !is_mcast_addr(addr) && !is_zero_addr(addr);
84 enic_rxmbuf_queue_release(struct enic *enic, struct vnic_rq *rq)
88 if (!rq || !rq->mbuf_ring) {
89 dev_debug(enic, "Pointer to rq or mbuf_ring is NULL");
93 for (i = 0; i < enic->config.rq_desc_count; i++) {
94 if (rq->mbuf_ring[i]) {
95 rte_pktmbuf_free_seg(rq->mbuf_ring[i]);
96 rq->mbuf_ring[i] = NULL;
102 void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size)
104 vnic_set_hdr_split_size(enic->vdev, split_hdr_size);
107 static void enic_free_wq_buf(__rte_unused struct vnic_wq *wq, struct vnic_wq_buf *buf)
109 struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->os_buf;
111 rte_mempool_put(mbuf->pool, mbuf);
115 static void enic_wq_free_buf(struct vnic_wq *wq,
116 __rte_unused struct cq_desc *cq_desc,
117 struct vnic_wq_buf *buf,
118 __rte_unused void *opaque)
120 enic_free_wq_buf(wq, buf);
123 static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc,
124 __rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque)
126 struct enic *enic = vnic_dev_priv(vdev);
128 vnic_wq_service(&enic->wq[q_number], cq_desc,
129 completed_index, enic_wq_free_buf,
135 static void enic_log_q_error(struct enic *enic)
140 for (i = 0; i < enic->wq_count; i++) {
141 error_status = vnic_wq_error_status(&enic->wq[i]);
143 dev_err(enic, "WQ[%d] error_status %d\n", i,
147 for (i = 0; i < enic->rq_count; i++) {
148 error_status = vnic_rq_error_status(&enic->rq[i]);
150 dev_err(enic, "RQ[%d] error_status %d\n", i,
155 unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq)
157 unsigned int cq = enic_cq_wq(enic, wq->index);
159 /* Return the work done */
160 return vnic_cq_service(&enic->cq[cq],
161 -1 /*wq_work_to_do*/, enic_wq_service, NULL);
164 void enic_post_wq_index(struct vnic_wq *wq)
166 enic_vnic_post_wq_index(wq);
169 void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
170 struct rte_mbuf *tx_pkt, unsigned short len,
171 uint8_t sop, uint8_t eop, uint8_t cq_entry,
172 uint16_t ol_flags, uint16_t vlan_tag)
174 struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
176 uint8_t vlan_tag_insert = 0;
177 uint64_t bus_addr = (dma_addr_t)
178 (tx_pkt->buf_physaddr + tx_pkt->data_off);
181 if (ol_flags & PKT_TX_VLAN_PKT)
184 if (enic->hw_ip_checksum) {
185 if (ol_flags & PKT_TX_IP_CKSUM)
186 mss |= ENIC_CALC_IP_CKSUM;
188 if (ol_flags & PKT_TX_TCP_UDP_CKSUM)
189 mss |= ENIC_CALC_TCP_UDP_CKSUM;
193 wq_enet_desc_enc(desc,
197 0 /* header_length */,
198 0 /* offload_mode WQ_ENET_OFFLOAD_MODE_CSUM */,
206 enic_vnic_post_wq(wq, (void *)tx_pkt, bus_addr, len,
210 0 /*compressed send*/,
214 static void enic_clear_soft_stats(struct enic *enic)
216 struct enic_soft_stats *soft_stats = &enic->soft_stats;
217 rte_atomic64_clear(&soft_stats->rx_nombuf);
218 rte_atomic64_clear(&soft_stats->rx_packet_errors);
221 static void enic_init_soft_stats(struct enic *enic)
223 struct enic_soft_stats *soft_stats = &enic->soft_stats;
224 rte_atomic64_init(&soft_stats->rx_nombuf);
225 rte_atomic64_init(&soft_stats->rx_packet_errors);
226 enic_clear_soft_stats(enic);
229 void enic_dev_stats_clear(struct enic *enic)
231 if (vnic_dev_stats_clear(enic->vdev))
232 dev_err(enic, "Error in clearing stats\n");
233 enic_clear_soft_stats(enic);
236 void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
238 struct vnic_stats *stats;
239 struct enic_soft_stats *soft_stats = &enic->soft_stats;
240 int64_t rx_truncated;
241 uint64_t rx_packet_errors;
243 if (vnic_dev_stats_dump(enic->vdev, &stats)) {
244 dev_err(enic, "Error in getting stats\n");
248 /* The number of truncated packets can only be calculated by
249 * subtracting a hardware counter from error packets received by
250 * the driver. Note: this causes transient inaccuracies in the
251 * ipackets count. Also, the length of truncated packets are
252 * counted in ibytes even though truncated packets are dropped
253 * which can make ibytes be slightly higher than it should be.
255 rx_packet_errors = rte_atomic64_read(&soft_stats->rx_packet_errors);
256 rx_truncated = rx_packet_errors - stats->rx.rx_errors;
258 r_stats->ipackets = stats->rx.rx_frames_ok - rx_truncated;
259 r_stats->opackets = stats->tx.tx_frames_ok;
261 r_stats->ibytes = stats->rx.rx_bytes_ok;
262 r_stats->obytes = stats->tx.tx_bytes_ok;
264 r_stats->ierrors = stats->rx.rx_errors + stats->rx.rx_drop;
265 r_stats->oerrors = stats->tx.tx_errors;
267 r_stats->imissed = stats->rx.rx_no_bufs + rx_truncated;
269 r_stats->rx_nombuf = rte_atomic64_read(&soft_stats->rx_nombuf);
272 void enic_del_mac_address(struct enic *enic)
274 if (vnic_dev_del_addr(enic->vdev, enic->mac_addr))
275 dev_err(enic, "del mac addr failed\n");
278 void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr)
282 if (!is_eth_addr_valid(mac_addr)) {
283 dev_err(enic, "invalid mac address\n");
287 err = vnic_dev_del_addr(enic->vdev, mac_addr);
289 dev_err(enic, "del mac addr failed\n");
293 ether_addr_copy((struct ether_addr *)mac_addr,
294 (struct ether_addr *)enic->mac_addr);
296 err = vnic_dev_add_addr(enic->vdev, mac_addr);
298 dev_err(enic, "add mac addr failed\n");
304 enic_free_rq_buf(struct rte_mbuf **mbuf)
309 rte_pktmbuf_free(*mbuf);
313 void enic_init_vnic_resources(struct enic *enic)
315 unsigned int error_interrupt_enable = 1;
316 unsigned int error_interrupt_offset = 0;
317 unsigned int index = 0;
319 for (index = 0; index < enic->rq_count; index++) {
320 vnic_rq_init(&enic->rq[index],
321 enic_cq_rq(enic, index),
322 error_interrupt_enable,
323 error_interrupt_offset);
326 for (index = 0; index < enic->wq_count; index++) {
327 vnic_wq_init(&enic->wq[index],
328 enic_cq_wq(enic, index),
329 error_interrupt_enable,
330 error_interrupt_offset);
333 vnic_dev_stats_clear(enic->vdev);
335 for (index = 0; index < enic->cq_count; index++) {
336 vnic_cq_init(&enic->cq[index],
337 0 /* flow_control_enable */,
338 1 /* color_enable */,
341 1 /* cq_tail_color */,
342 0 /* interrupt_enable */,
343 1 /* cq_entry_enable */,
344 0 /* cq_message_enable */,
345 0 /* interrupt offset */,
346 0 /* cq_message_addr */);
349 vnic_intr_init(&enic->intr,
350 enic->config.intr_timer_usec,
351 enic->config.intr_timer_type,
352 /*mask_on_assertion*/1);
357 enic_alloc_rx_queue_mbufs(struct enic *enic, struct vnic_rq *rq)
360 struct rq_enet_desc *rqd = rq->ring.descs;
364 dev_debug(enic, "queue %u, allocating %u rx queue mbufs\n", rq->index,
365 rq->ring.desc_count);
367 for (i = 0; i < rq->ring.desc_count; i++, rqd++) {
368 mb = rte_mbuf_raw_alloc(rq->mp);
370 dev_err(enic, "RX mbuf alloc failed queue_id=%u\n",
371 (unsigned)rq->index);
375 dma_addr = (dma_addr_t)(mb->buf_physaddr
376 + RTE_PKTMBUF_HEADROOM);
378 rq_enet_desc_enc(rqd, dma_addr, RQ_ENET_TYPE_ONLY_SOP,
379 mb->buf_len - RTE_PKTMBUF_HEADROOM);
380 rq->mbuf_ring[i] = mb;
383 /* make sure all prior writes are complete before doing the PIO write */
386 /* Post all but the last 2 cache lines' worth of descriptors */
387 rq->posted_index = rq->ring.desc_count - (2 * RTE_CACHE_LINE_SIZE
388 / sizeof(struct rq_enet_desc));
391 dev_debug(enic, "port=%u, qidx=%u, Write %u posted idx, %u sw held\n",
392 enic->port_id, rq->index, rq->posted_index, rq->rx_nb_hold);
393 iowrite32(rq->posted_index, &rq->ctrl->posted_index);
401 enic_alloc_consistent(__rte_unused void *priv, size_t size,
402 dma_addr_t *dma_handle, u8 *name)
405 const struct rte_memzone *rz;
408 rz = rte_memzone_reserve_aligned((const char *)name,
409 size, SOCKET_ID_ANY, 0, ENIC_ALIGN);
411 pr_err("%s : Failed to allocate memory requested for %s\n",
417 *dma_handle = (dma_addr_t)rz->phys_addr;
423 enic_free_consistent(__rte_unused struct rte_pci_device *hwdev,
424 __rte_unused size_t size,
425 __rte_unused void *vaddr,
426 __rte_unused dma_addr_t dma_handle)
428 /* Nothing to be done */
432 enic_intr_handler(__rte_unused struct rte_intr_handle *handle,
435 struct enic *enic = pmd_priv((struct rte_eth_dev *)arg);
437 vnic_intr_return_all_credits(&enic->intr);
439 enic_log_q_error(enic);
442 int enic_enable(struct enic *enic)
446 struct rte_eth_dev *eth_dev = enic->rte_dev;
448 eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
449 eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
450 vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
452 if (enic_clsf_init(enic))
453 dev_warning(enic, "Init of hash table for clsf failed."\
454 "Flow director feature will not work\n");
456 for (index = 0; index < enic->rq_count; index++) {
457 err = enic_alloc_rx_queue_mbufs(enic, &enic->rq[index]);
459 dev_err(enic, "Failed to alloc RX queue mbufs\n");
464 for (index = 0; index < enic->wq_count; index++)
465 vnic_wq_enable(&enic->wq[index]);
466 for (index = 0; index < enic->rq_count; index++)
467 vnic_rq_enable(&enic->rq[index]);
469 vnic_dev_enable_wait(enic->vdev);
471 /* Register and enable error interrupt */
472 rte_intr_callback_register(&(enic->pdev->intr_handle),
473 enic_intr_handler, (void *)enic->rte_dev);
475 rte_intr_enable(&(enic->pdev->intr_handle));
476 vnic_intr_unmask(&enic->intr);
481 int enic_alloc_intr_resources(struct enic *enic)
485 dev_info(enic, "vNIC resources used: "\
486 "wq %d rq %d cq %d intr %d\n",
487 enic->wq_count, enic->rq_count,
488 enic->cq_count, enic->intr_count);
490 err = vnic_intr_alloc(enic->vdev, &enic->intr, 0);
492 enic_free_vnic_resources(enic);
497 void enic_free_rq(void *rxq)
499 struct vnic_rq *rq = (struct vnic_rq *)rxq;
500 struct enic *enic = vnic_dev_priv(rq->vdev);
502 enic_rxmbuf_queue_release(enic, rq);
503 rte_free(rq->mbuf_ring);
504 rq->mbuf_ring = NULL;
506 vnic_cq_free(&enic->cq[rq->index]);
509 void enic_start_wq(struct enic *enic, uint16_t queue_idx)
511 vnic_wq_enable(&enic->wq[queue_idx]);
514 int enic_stop_wq(struct enic *enic, uint16_t queue_idx)
516 return vnic_wq_disable(&enic->wq[queue_idx]);
519 void enic_start_rq(struct enic *enic, uint16_t queue_idx)
521 vnic_rq_enable(&enic->rq[queue_idx]);
524 int enic_stop_rq(struct enic *enic, uint16_t queue_idx)
526 return vnic_rq_disable(&enic->rq[queue_idx]);
529 int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
530 unsigned int socket_id, struct rte_mempool *mp,
534 struct vnic_rq *rq = &enic->rq[queue_idx];
536 rq->socket_id = socket_id;
540 if (nb_desc > enic->config.rq_desc_count) {
542 "RQ %d - number of rx desc in cmd line (%d)"\
543 "is greater than that in the UCSM/CIMC adapter"\
544 "policy. Applying the value in the adapter "\
546 queue_idx, nb_desc, enic->config.rq_desc_count);
547 nb_desc = enic->config.rq_desc_count;
549 dev_info(enic, "RX Queues - effective number of descs:%d\n",
553 /* Allocate queue resources */
554 rc = vnic_rq_alloc(enic->vdev, rq, queue_idx,
555 nb_desc, sizeof(struct rq_enet_desc));
557 dev_err(enic, "error in allocation of rq\n");
561 rc = vnic_cq_alloc(enic->vdev, &enic->cq[queue_idx], queue_idx,
563 sizeof(struct cq_enet_rq_desc));
565 dev_err(enic, "error in allocation of cq for rq\n");
566 goto err_free_rq_exit;
569 /* Allocate the mbuf ring */
570 rq->mbuf_ring = (struct rte_mbuf **)rte_zmalloc_socket("rq->mbuf_ring",
571 sizeof(struct rte_mbuf *) * nb_desc,
572 RTE_CACHE_LINE_SIZE, rq->socket_id);
574 if (rq->mbuf_ring != NULL)
577 /* cleanup on error */
578 vnic_cq_free(&enic->cq[queue_idx]);
585 void enic_free_wq(void *txq)
587 struct vnic_wq *wq = (struct vnic_wq *)txq;
588 struct enic *enic = vnic_dev_priv(wq->vdev);
591 vnic_cq_free(&enic->cq[enic->rq_count + wq->index]);
594 int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
595 unsigned int socket_id, uint16_t nb_desc)
598 struct vnic_wq *wq = &enic->wq[queue_idx];
599 unsigned int cq_index = enic_cq_wq(enic, queue_idx);
601 wq->socket_id = socket_id;
603 if (nb_desc > enic->config.wq_desc_count) {
605 "WQ %d - number of tx desc in cmd line (%d)"\
606 "is greater than that in the UCSM/CIMC adapter"\
607 "policy. Applying the value in the adapter "\
609 queue_idx, nb_desc, enic->config.wq_desc_count);
610 } else if (nb_desc != enic->config.wq_desc_count) {
611 enic->config.wq_desc_count = nb_desc;
613 "TX Queues - effective number of descs:%d\n",
618 /* Allocate queue resources */
619 err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx,
620 enic->config.wq_desc_count,
621 sizeof(struct wq_enet_desc));
623 dev_err(enic, "error in allocation of wq\n");
627 err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index,
628 socket_id, enic->config.wq_desc_count,
629 sizeof(struct cq_enet_wq_desc));
632 dev_err(enic, "error in allocation of cq for wq\n");
638 int enic_disable(struct enic *enic)
643 vnic_intr_mask(&enic->intr);
644 (void)vnic_intr_masked(&enic->intr); /* flush write */
646 vnic_dev_disable(enic->vdev);
648 enic_clsf_destroy(enic);
650 if (!enic_is_sriov_vf(enic))
651 vnic_dev_del_addr(enic->vdev, enic->mac_addr);
653 for (i = 0; i < enic->wq_count; i++) {
654 err = vnic_wq_disable(&enic->wq[i]);
658 for (i = 0; i < enic->rq_count; i++) {
659 err = vnic_rq_disable(&enic->rq[i]);
664 vnic_dev_set_reset_flag(enic->vdev, 1);
665 vnic_dev_notify_unset(enic->vdev);
667 for (i = 0; i < enic->wq_count; i++)
668 vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
670 for (i = 0; i < enic->rq_count; i++)
671 vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
672 for (i = 0; i < enic->cq_count; i++)
673 vnic_cq_clean(&enic->cq[i]);
674 vnic_intr_clean(&enic->intr);
679 static int enic_dev_wait(struct vnic_dev *vdev,
680 int (*start)(struct vnic_dev *, int),
681 int (*finished)(struct vnic_dev *, int *),
688 err = start(vdev, arg);
692 /* Wait for func to complete...2 seconds max */
693 for (i = 0; i < 2000; i++) {
694 err = finished(vdev, &done);
704 static int enic_dev_open(struct enic *enic)
708 err = enic_dev_wait(enic->vdev, vnic_dev_open,
709 vnic_dev_open_done, 0);
711 dev_err(enic_get_dev(enic),
712 "vNIC device open failed, err %d\n", err);
717 static int enic_set_rsskey(struct enic *enic)
719 dma_addr_t rss_key_buf_pa;
720 union vnic_rss_key *rss_key_buf_va = NULL;
721 static union vnic_rss_key rss_key = {
723 [0] = {.b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}},
724 [1] = {.b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101}},
725 [2] = {.b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115}},
726 [3] = {.b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108}},
732 snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name);
733 rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key),
734 &rss_key_buf_pa, name);
738 rte_memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key));
740 err = enic_set_rss_key(enic,
742 sizeof(union vnic_rss_key));
744 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_key),
745 rss_key_buf_va, rss_key_buf_pa);
750 static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
752 dma_addr_t rss_cpu_buf_pa;
753 union vnic_rss_cpu *rss_cpu_buf_va = NULL;
758 snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name);
759 rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu),
760 &rss_cpu_buf_pa, name);
764 for (i = 0; i < (1 << rss_hash_bits); i++)
765 (*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count;
767 err = enic_set_rss_cpu(enic,
769 sizeof(union vnic_rss_cpu));
771 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu),
772 rss_cpu_buf_va, rss_cpu_buf_pa);
777 static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu,
778 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable)
780 const u8 tso_ipid_split_en = 0;
783 /* Enable VLAN tag stripping */
785 err = enic_set_nic_cfg(enic,
786 rss_default_cpu, rss_hash_type,
787 rss_hash_bits, rss_base_cpu,
788 rss_enable, tso_ipid_split_en,
789 enic->ig_vlan_strip_en);
794 int enic_set_rss_nic_cfg(struct enic *enic)
796 const u8 rss_default_cpu = 0;
797 const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 |
798 NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 |
799 NIC_CFG_RSS_HASH_TYPE_IPV6 |
800 NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
801 const u8 rss_hash_bits = 7;
802 const u8 rss_base_cpu = 0;
803 u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1);
806 if (!enic_set_rsskey(enic)) {
807 if (enic_set_rsscpu(enic, rss_hash_bits)) {
809 dev_warning(enic, "RSS disabled, "\
810 "Failed to set RSS cpu indirection table.");
815 "RSS disabled, Failed to set RSS key.\n");
819 return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type,
820 rss_hash_bits, rss_base_cpu, rss_enable);
823 int enic_setup_finish(struct enic *enic)
827 enic_init_soft_stats(enic);
829 ret = enic_set_rss_nic_cfg(enic);
831 dev_err(enic, "Failed to config nic, aborting.\n");
835 vnic_dev_add_addr(enic->vdev, enic->mac_addr);
838 vnic_dev_packet_filter(enic->vdev,
851 void enic_add_packet_filter(struct enic *enic)
853 /* Args -> directed, multicast, broadcast, promisc, allmulti */
854 vnic_dev_packet_filter(enic->vdev, 1, 1, 1,
855 enic->promisc, enic->allmulti);
858 int enic_get_link_status(struct enic *enic)
860 return vnic_dev_link_status(enic->vdev);
863 static void enic_dev_deinit(struct enic *enic)
865 struct rte_eth_dev *eth_dev = enic->rte_dev;
867 rte_free(eth_dev->data->mac_addrs);
871 int enic_set_vnic_res(struct enic *enic)
873 struct rte_eth_dev *eth_dev = enic->rte_dev;
875 if ((enic->rq_count < eth_dev->data->nb_rx_queues) ||
876 (enic->wq_count < eth_dev->data->nb_tx_queues)) {
877 dev_err(dev, "Not enough resources configured, aborting\n");
881 enic->rq_count = eth_dev->data->nb_rx_queues;
882 enic->wq_count = eth_dev->data->nb_tx_queues;
883 if (enic->cq_count < (enic->rq_count + enic->wq_count)) {
884 dev_err(dev, "Not enough resources configured, aborting\n");
888 enic->cq_count = enic->rq_count + enic->wq_count;
892 static int enic_dev_init(struct enic *enic)
895 struct rte_eth_dev *eth_dev = enic->rte_dev;
897 vnic_dev_intr_coal_timer_info_default(enic->vdev);
899 /* Get vNIC configuration
901 err = enic_get_vnic_config(enic);
903 dev_err(dev, "Get vNIC configuration failed, aborting\n");
907 eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN, 0);
908 if (!eth_dev->data->mac_addrs) {
909 dev_err(enic, "mac addr storage alloc failed, aborting.\n");
912 ether_addr_copy((struct ether_addr *) enic->mac_addr,
913 ð_dev->data->mac_addrs[0]);
916 /* Get available resource counts
918 enic_get_res_counts(enic);
920 vnic_dev_set_reset_flag(enic->vdev, 0);
926 int enic_probe(struct enic *enic)
928 struct rte_pci_device *pdev = enic->pdev;
931 dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION);
933 enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr;
934 enic->bar0.len = pdev->mem_resource[0].len;
936 /* Register vNIC device */
937 enic->vdev = vnic_dev_register(NULL, enic, enic->pdev, &enic->bar0, 1);
939 dev_err(enic, "vNIC registration failed, aborting\n");
943 vnic_register_cbacks(enic->vdev,
944 enic_alloc_consistent,
945 enic_free_consistent);
947 /* Issue device open to get device in known state */
948 err = enic_dev_open(enic);
950 dev_err(enic, "vNIC dev open failed, aborting\n");
951 goto err_out_unregister;
954 /* Set ingress vlan rewrite mode before vnic initialization */
955 err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
956 IG_VLAN_REWRITE_MODE_PASS_THRU);
959 "Failed to set ingress vlan rewrite mode, aborting.\n");
960 goto err_out_dev_close;
963 /* Issue device init to initialize the vnic-to-switch link.
964 * We'll start with carrier off and wait for link UP
965 * notification later to turn on carrier. We don't need
966 * to wait here for the vnic-to-switch link initialization
967 * to complete; link UP notification is the indication that
968 * the process is complete.
971 err = vnic_dev_init(enic->vdev, 0);
973 dev_err(enic, "vNIC dev init failed, aborting\n");
974 goto err_out_dev_close;
977 err = enic_dev_init(enic);
979 dev_err(enic, "Device initialization failed, aborting\n");
980 goto err_out_dev_close;
986 vnic_dev_close(enic->vdev);
988 vnic_dev_unregister(enic->vdev);
993 void enic_remove(struct enic *enic)
995 enic_dev_deinit(enic);
996 vnic_dev_close(enic->vdev);
997 vnic_dev_unregister(enic->vdev);