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"
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);
82 static inline struct rte_mbuf *
83 enic_rxmbuf_alloc(struct rte_mempool *mp)
87 m = __rte_mbuf_raw_alloc(mp);
88 __rte_mbuf_sanity_check_raw(m, 0);
92 void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size)
94 vnic_set_hdr_split_size(enic->vdev, split_hdr_size);
97 static void enic_free_wq_buf(__rte_unused struct vnic_wq *wq, struct vnic_wq_buf *buf)
99 struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->os_buf;
101 rte_mempool_put(mbuf->pool, mbuf);
105 static void enic_wq_free_buf(struct vnic_wq *wq,
106 __rte_unused struct cq_desc *cq_desc,
107 struct vnic_wq_buf *buf,
108 __rte_unused void *opaque)
110 enic_free_wq_buf(wq, buf);
113 static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc,
114 __rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque)
116 struct enic *enic = vnic_dev_priv(vdev);
118 vnic_wq_service(&enic->wq[q_number], cq_desc,
119 completed_index, enic_wq_free_buf,
125 static void enic_log_q_error(struct enic *enic)
130 for (i = 0; i < enic->wq_count; i++) {
131 error_status = vnic_wq_error_status(&enic->wq[i]);
133 dev_err(enic, "WQ[%d] error_status %d\n", i,
137 for (i = 0; i < enic->rq_count; i++) {
138 error_status = vnic_rq_error_status(&enic->rq[i]);
140 dev_err(enic, "RQ[%d] error_status %d\n", i,
145 unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq)
147 unsigned int cq = enic_cq_wq(enic, wq->index);
149 /* Return the work done */
150 return vnic_cq_service(&enic->cq[cq],
151 -1 /*wq_work_to_do*/, enic_wq_service, NULL);
155 int enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
156 struct rte_mbuf *tx_pkt, unsigned short len,
157 uint8_t sop, uint8_t eop,
158 uint16_t ol_flags, uint16_t vlan_tag)
160 struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
162 uint8_t cq_entry = eop;
163 uint8_t vlan_tag_insert = 0;
164 uint64_t bus_addr = (dma_addr_t)
165 (tx_pkt->buf_physaddr + RTE_PKTMBUF_HEADROOM);
168 if (ol_flags & PKT_TX_VLAN_PKT)
171 if (enic->hw_ip_checksum) {
172 if (ol_flags & PKT_TX_IP_CKSUM)
173 mss |= ENIC_CALC_IP_CKSUM;
175 if (ol_flags & PKT_TX_TCP_UDP_CKSUM)
176 mss |= ENIC_CALC_TCP_UDP_CKSUM;
180 wq_enet_desc_enc(desc,
184 0 /* header_length */,
185 0 /* offload_mode WQ_ENET_OFFLOAD_MODE_CSUM */,
193 vnic_wq_post(wq, (void *)tx_pkt, bus_addr, len,
197 0 /*compressed send*/,
203 void enic_dev_stats_clear(struct enic *enic)
205 if (vnic_dev_stats_clear(enic->vdev))
206 dev_err(enic, "Error in clearing stats\n");
209 void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
211 struct vnic_stats *stats;
213 if (vnic_dev_stats_dump(enic->vdev, &stats)) {
214 dev_err(enic, "Error in getting stats\n");
218 r_stats->ipackets = stats->rx.rx_frames_ok;
219 r_stats->opackets = stats->tx.tx_frames_ok;
221 r_stats->ibytes = stats->rx.rx_bytes_ok;
222 r_stats->obytes = stats->tx.tx_bytes_ok;
224 r_stats->ierrors = stats->rx.rx_errors;
225 r_stats->oerrors = stats->tx.tx_errors;
227 r_stats->imcasts = stats->rx.rx_multicast_frames_ok;
228 r_stats->rx_nombuf = stats->rx.rx_no_bufs;
231 void enic_del_mac_address(struct enic *enic)
233 if (vnic_dev_del_addr(enic->vdev, enic->mac_addr))
234 dev_err(enic, "del mac addr failed\n");
237 void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr)
241 if (!is_eth_addr_valid(mac_addr)) {
242 dev_err(enic, "invalid mac address\n");
246 err = vnic_dev_del_addr(enic->vdev, mac_addr);
248 dev_err(enic, "del mac addr failed\n");
252 ether_addr_copy((struct ether_addr *)mac_addr,
253 (struct ether_addr *)enic->mac_addr);
255 err = vnic_dev_add_addr(enic->vdev, mac_addr);
257 dev_err(enic, "add mac addr failed\n");
263 enic_free_rq_buf(__rte_unused struct vnic_rq *rq, struct vnic_rq_buf *buf)
268 rte_pktmbuf_free((struct rte_mbuf *)buf->os_buf);
272 void enic_init_vnic_resources(struct enic *enic)
274 unsigned int error_interrupt_enable = 1;
275 unsigned int error_interrupt_offset = 0;
276 unsigned int index = 0;
278 for (index = 0; index < enic->rq_count; index++) {
279 vnic_rq_init(&enic->rq[index],
280 enic_cq_rq(enic, index),
281 error_interrupt_enable,
282 error_interrupt_offset);
285 for (index = 0; index < enic->wq_count; index++) {
286 vnic_wq_init(&enic->wq[index],
287 enic_cq_wq(enic, index),
288 error_interrupt_enable,
289 error_interrupt_offset);
292 vnic_dev_stats_clear(enic->vdev);
294 for (index = 0; index < enic->cq_count; index++) {
295 vnic_cq_init(&enic->cq[index],
296 0 /* flow_control_enable */,
297 1 /* color_enable */,
300 1 /* cq_tail_color */,
301 0 /* interrupt_enable */,
302 1 /* cq_entry_enable */,
303 0 /* cq_message_enable */,
304 0 /* interrupt offset */,
305 0 /* cq_message_addr */);
308 vnic_intr_init(&enic->intr,
309 enic->config.intr_timer_usec,
310 enic->config.intr_timer_type,
311 /*mask_on_assertion*/1);
315 static int enic_rq_alloc_buf(struct vnic_rq *rq)
317 struct enic *enic = vnic_dev_priv(rq->vdev);
319 struct rq_enet_desc *desc = vnic_rq_next_desc(rq);
320 uint8_t type = RQ_ENET_TYPE_ONLY_SOP;
321 u16 split_hdr_size = vnic_get_hdr_split_size(enic->vdev);
322 struct rte_mbuf *mbuf = enic_rxmbuf_alloc(rq->mp);
323 struct rte_mbuf *hdr_mbuf = NULL;
326 dev_err(enic, "mbuf alloc in enic_rq_alloc_buf failed\n");
330 if (unlikely(split_hdr_size)) {
331 if (vnic_rq_desc_avail(rq) < 2) {
332 rte_mempool_put(mbuf->pool, mbuf);
335 hdr_mbuf = enic_rxmbuf_alloc(rq->mp);
337 rte_mempool_put(mbuf->pool, mbuf);
339 "hdr_mbuf alloc in enic_rq_alloc_buf failed\n");
343 hdr_mbuf->data_off = RTE_PKTMBUF_HEADROOM;
345 hdr_mbuf->nb_segs = 2;
346 hdr_mbuf->port = enic->port_id;
347 hdr_mbuf->next = mbuf;
349 dma_addr = (dma_addr_t)
350 (hdr_mbuf->buf_physaddr + hdr_mbuf->data_off);
352 rq_enet_desc_enc(desc, dma_addr, type, split_hdr_size);
354 vnic_rq_post(rq, (void *)hdr_mbuf, 0 /*os_buf_index*/, dma_addr,
355 (unsigned int)split_hdr_size, 0 /*wrid*/);
357 desc = vnic_rq_next_desc(rq);
358 type = RQ_ENET_TYPE_NOT_SOP;
361 mbuf->port = enic->port_id;
364 mbuf->data_off = RTE_PKTMBUF_HEADROOM;
367 dma_addr = (dma_addr_t)
368 (mbuf->buf_physaddr + mbuf->data_off);
370 rq_enet_desc_enc(desc, dma_addr, type, mbuf->buf_len);
372 vnic_rq_post(rq, (void *)mbuf, 0 /*os_buf_index*/, dma_addr,
373 (unsigned int)mbuf->buf_len, 0 /*wrid*/);
378 static int enic_rq_indicate_buf(struct vnic_rq *rq,
379 struct cq_desc *cq_desc, struct vnic_rq_buf *buf,
380 int skipped, void *opaque)
382 struct enic *enic = vnic_dev_priv(rq->vdev);
383 struct rte_mbuf **rx_pkt_bucket = (struct rte_mbuf **)opaque;
384 struct rte_mbuf *rx_pkt = NULL;
385 struct rte_mbuf *hdr_rx_pkt = NULL;
387 u8 type, color, eop, sop, ingress_port, vlan_stripped;
388 u8 fcoe, fcoe_sof, fcoe_fc_crc_ok, fcoe_enc_error, fcoe_eof;
389 u8 tcp_udp_csum_ok, udp, tcp, ipv4_csum_ok;
390 u8 ipv6, ipv4, ipv4_fragment, fcs_ok, rss_type, csum_not_calc;
392 u16 q_number, completed_index, bytes_written, vlan_tci, checksum;
395 cq_enet_rq_desc_dec((struct cq_enet_rq_desc *)cq_desc,
396 &type, &color, &q_number, &completed_index,
397 &ingress_port, &fcoe, &eop, &sop, &rss_type,
398 &csum_not_calc, &rss_hash, &bytes_written,
399 &packet_error, &vlan_stripped, &vlan_tci, &checksum,
400 &fcoe_sof, &fcoe_fc_crc_ok, &fcoe_enc_error,
401 &fcoe_eof, &tcp_udp_csum_ok, &udp, &tcp,
402 &ipv4_csum_ok, &ipv6, &ipv4, &ipv4_fragment,
405 rx_pkt = (struct rte_mbuf *)buf->os_buf;
408 if (unlikely(packet_error)) {
409 dev_err(enic, "packet error\n");
410 rx_pkt->data_len = 0;
414 if (unlikely(skipped)) {
415 rx_pkt->data_len = 0;
419 if (likely(!vnic_get_hdr_split_size(enic->vdev))) {
420 /* No header split configured */
421 *rx_pkt_bucket = rx_pkt;
422 rx_pkt->pkt_len = bytes_written;
425 rx_pkt->packet_type = RTE_PTYPE_L3_IPV4;
426 if (!csum_not_calc) {
427 if (unlikely(!ipv4_csum_ok))
428 rx_pkt->ol_flags |= PKT_RX_IP_CKSUM_BAD;
430 if ((tcp || udp) && (!tcp_udp_csum_ok))
431 rx_pkt->ol_flags |= PKT_RX_L4_CKSUM_BAD;
434 rx_pkt->packet_type = RTE_PTYPE_L3_IPV6;
438 /* This piece is header */
439 *rx_pkt_bucket = rx_pkt;
440 rx_pkt->pkt_len = bytes_written;
443 /* The packet is smaller than split_hdr_size */
444 *rx_pkt_bucket = rx_pkt;
445 rx_pkt->pkt_len = bytes_written;
447 rx_pkt->packet_type = RTE_PTYPE_L3_IPV4;
448 if (!csum_not_calc) {
449 if (unlikely(!ipv4_csum_ok))
459 rx_pkt->packet_type = RTE_PTYPE_L3_IPV6;
462 hdr_rx_pkt = *rx_pkt_bucket;
463 hdr_rx_pkt->pkt_len += bytes_written;
465 hdr_rx_pkt->packet_type =
467 if (!csum_not_calc) {
468 if (unlikely(!ipv4_csum_ok))
469 hdr_rx_pkt->ol_flags |=
474 hdr_rx_pkt->ol_flags |=
478 hdr_rx_pkt->packet_type =
484 rx_pkt->data_len = bytes_written;
487 rx_pkt->ol_flags |= PKT_RX_RSS_HASH;
488 rx_pkt->hash.rss = rss_hash;
492 rx_pkt->ol_flags |= PKT_RX_VLAN_PKT;
493 rx_pkt->vlan_tci = vlan_tci;
499 static int enic_rq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc,
500 __rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque)
502 struct enic *enic = vnic_dev_priv(vdev);
504 return vnic_rq_service(&enic->rq[q_number], cq_desc,
505 completed_index, VNIC_RQ_RETURN_DESC,
506 enic_rq_indicate_buf, opaque);
510 int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts,
511 unsigned int budget, unsigned int *work_done)
513 struct enic *enic = vnic_dev_priv(rq->vdev);
514 unsigned int cq = enic_cq_rq(enic, rq->index);
517 *work_done = vnic_cq_service(&enic->cq[cq],
518 budget, enic_rq_service, (void *)rx_pkts);
521 vnic_rq_fill(rq, enic_rq_alloc_buf);
523 /* Need at least one buffer on ring to get going */
524 if (vnic_rq_desc_used(rq) == 0) {
525 dev_err(enic, "Unable to alloc receive buffers\n");
533 enic_alloc_consistent(__rte_unused void *priv, size_t size,
534 dma_addr_t *dma_handle, u8 *name)
537 const struct rte_memzone *rz;
540 rz = rte_memzone_reserve_aligned((const char *)name,
541 size, 0, 0, ENIC_ALIGN);
543 pr_err("%s : Failed to allocate memory requested for %s",
549 *dma_handle = (dma_addr_t)rz->phys_addr;
555 enic_free_consistent(__rte_unused struct rte_pci_device *hwdev,
556 __rte_unused size_t size,
557 __rte_unused void *vaddr,
558 __rte_unused dma_addr_t dma_handle)
560 /* Nothing to be done */
564 enic_intr_handler(__rte_unused struct rte_intr_handle *handle,
567 struct enic *enic = pmd_priv((struct rte_eth_dev *)arg);
569 vnic_intr_return_all_credits(&enic->intr);
571 enic_log_q_error(enic);
574 int enic_enable(struct enic *enic)
577 struct rte_eth_dev *eth_dev = enic->rte_dev;
579 eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
580 eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
581 vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
583 if (enic_clsf_init(enic))
584 dev_warning(enic, "Init of hash table for clsf failed."\
585 "Flow director feature will not work\n");
588 for (index = 0; index < enic->rq_count; index++) {
589 vnic_rq_fill(&enic->rq[index], enic_rq_alloc_buf);
591 /* Need at least one buffer on ring to get going
593 if (vnic_rq_desc_used(&enic->rq[index]) == 0) {
594 dev_err(enic, "Unable to alloc receive buffers\n");
599 for (index = 0; index < enic->wq_count; index++)
600 vnic_wq_enable(&enic->wq[index]);
601 for (index = 0; index < enic->rq_count; index++)
602 vnic_rq_enable(&enic->rq[index]);
604 vnic_dev_enable_wait(enic->vdev);
606 /* Register and enable error interrupt */
607 rte_intr_callback_register(&(enic->pdev->intr_handle),
608 enic_intr_handler, (void *)enic->rte_dev);
610 rte_intr_enable(&(enic->pdev->intr_handle));
611 vnic_intr_unmask(&enic->intr);
616 int enic_alloc_intr_resources(struct enic *enic)
620 dev_info(enic, "vNIC resources used: "\
621 "wq %d rq %d cq %d intr %d\n",
622 enic->wq_count, enic->rq_count,
623 enic->cq_count, enic->intr_count);
625 err = vnic_intr_alloc(enic->vdev, &enic->intr, 0);
627 enic_free_vnic_resources(enic);
632 void enic_free_rq(void *rxq)
634 struct vnic_rq *rq = (struct vnic_rq *)rxq;
635 struct enic *enic = vnic_dev_priv(rq->vdev);
638 vnic_cq_free(&enic->cq[rq->index]);
641 void enic_start_wq(struct enic *enic, uint16_t queue_idx)
643 vnic_wq_enable(&enic->wq[queue_idx]);
646 int enic_stop_wq(struct enic *enic, uint16_t queue_idx)
648 return vnic_wq_disable(&enic->wq[queue_idx]);
651 void enic_start_rq(struct enic *enic, uint16_t queue_idx)
653 vnic_rq_enable(&enic->rq[queue_idx]);
656 int enic_stop_rq(struct enic *enic, uint16_t queue_idx)
658 return vnic_rq_disable(&enic->rq[queue_idx]);
661 int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
662 unsigned int socket_id, struct rte_mempool *mp,
666 struct vnic_rq *rq = &enic->rq[queue_idx];
668 rq->socket_id = socket_id;
672 if (nb_desc > enic->config.rq_desc_count) {
674 "RQ %d - number of rx desc in cmd line (%d)"\
675 "is greater than that in the UCSM/CIMC adapter"\
676 "policy. Applying the value in the adapter "\
678 queue_idx, nb_desc, enic->config.rq_desc_count);
679 } else if (nb_desc != enic->config.rq_desc_count) {
680 enic->config.rq_desc_count = nb_desc;
682 "RX Queues - effective number of descs:%d\n",
687 /* Allocate queue resources */
688 err = vnic_rq_alloc(enic->vdev, &enic->rq[queue_idx], queue_idx,
689 enic->config.rq_desc_count,
690 sizeof(struct rq_enet_desc));
692 dev_err(enic, "error in allocation of rq\n");
696 err = vnic_cq_alloc(enic->vdev, &enic->cq[queue_idx], queue_idx,
697 socket_id, enic->config.rq_desc_count,
698 sizeof(struct cq_enet_rq_desc));
701 dev_err(enic, "error in allocation of cq for rq\n");
707 void enic_free_wq(void *txq)
709 struct vnic_wq *wq = (struct vnic_wq *)txq;
710 struct enic *enic = vnic_dev_priv(wq->vdev);
713 vnic_cq_free(&enic->cq[enic->rq_count + wq->index]);
716 int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
717 unsigned int socket_id, uint16_t nb_desc)
720 struct vnic_wq *wq = &enic->wq[queue_idx];
721 unsigned int cq_index = enic_cq_wq(enic, queue_idx);
723 wq->socket_id = socket_id;
725 if (nb_desc > enic->config.wq_desc_count) {
727 "WQ %d - number of tx desc in cmd line (%d)"\
728 "is greater than that in the UCSM/CIMC adapter"\
729 "policy. Applying the value in the adapter "\
731 queue_idx, nb_desc, enic->config.wq_desc_count);
732 } else if (nb_desc != enic->config.wq_desc_count) {
733 enic->config.wq_desc_count = nb_desc;
735 "TX Queues - effective number of descs:%d\n",
740 /* Allocate queue resources */
741 err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx,
742 enic->config.wq_desc_count,
743 sizeof(struct wq_enet_desc));
745 dev_err(enic, "error in allocation of wq\n");
749 err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index,
750 socket_id, enic->config.wq_desc_count,
751 sizeof(struct cq_enet_wq_desc));
754 dev_err(enic, "error in allocation of cq for wq\n");
760 int enic_disable(struct enic *enic)
765 vnic_intr_mask(&enic->intr);
766 (void)vnic_intr_masked(&enic->intr); /* flush write */
768 vnic_dev_disable(enic->vdev);
770 enic_clsf_destroy(enic);
772 if (!enic_is_sriov_vf(enic))
773 vnic_dev_del_addr(enic->vdev, enic->mac_addr);
775 for (i = 0; i < enic->wq_count; i++) {
776 err = vnic_wq_disable(&enic->wq[i]);
780 for (i = 0; i < enic->rq_count; i++) {
781 err = vnic_rq_disable(&enic->rq[i]);
786 vnic_dev_set_reset_flag(enic->vdev, 1);
787 vnic_dev_notify_unset(enic->vdev);
789 for (i = 0; i < enic->wq_count; i++)
790 vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
791 for (i = 0; i < enic->rq_count; i++)
792 vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
793 for (i = 0; i < enic->cq_count; i++)
794 vnic_cq_clean(&enic->cq[i]);
795 vnic_intr_clean(&enic->intr);
800 static int enic_dev_wait(struct vnic_dev *vdev,
801 int (*start)(struct vnic_dev *, int),
802 int (*finished)(struct vnic_dev *, int *),
809 err = start(vdev, arg);
813 /* Wait for func to complete...2 seconds max */
814 for (i = 0; i < 2000; i++) {
815 err = finished(vdev, &done);
825 static int enic_dev_open(struct enic *enic)
829 err = enic_dev_wait(enic->vdev, vnic_dev_open,
830 vnic_dev_open_done, 0);
832 dev_err(enic_get_dev(enic),
833 "vNIC device open failed, err %d\n", err);
838 static int enic_set_rsskey(struct enic *enic)
840 dma_addr_t rss_key_buf_pa;
841 union vnic_rss_key *rss_key_buf_va = NULL;
842 static union vnic_rss_key rss_key = {
844 [0] = {.b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}},
845 [1] = {.b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101}},
846 [2] = {.b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115}},
847 [3] = {.b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108}},
853 snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name);
854 rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key),
855 &rss_key_buf_pa, name);
859 rte_memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key));
861 err = enic_set_rss_key(enic,
863 sizeof(union vnic_rss_key));
865 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_key),
866 rss_key_buf_va, rss_key_buf_pa);
871 static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
873 dma_addr_t rss_cpu_buf_pa;
874 union vnic_rss_cpu *rss_cpu_buf_va = NULL;
879 snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name);
880 rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu),
881 &rss_cpu_buf_pa, name);
885 for (i = 0; i < (1 << rss_hash_bits); i++)
886 (*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count;
888 err = enic_set_rss_cpu(enic,
890 sizeof(union vnic_rss_cpu));
892 enic_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu),
893 rss_cpu_buf_va, rss_cpu_buf_pa);
898 static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu,
899 u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable)
901 const u8 tso_ipid_split_en = 0;
904 /* Enable VLAN tag stripping */
906 err = enic_set_nic_cfg(enic,
907 rss_default_cpu, rss_hash_type,
908 rss_hash_bits, rss_base_cpu,
909 rss_enable, tso_ipid_split_en,
910 enic->ig_vlan_strip_en);
915 int enic_set_rss_nic_cfg(struct enic *enic)
917 const u8 rss_default_cpu = 0;
918 const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 |
919 NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 |
920 NIC_CFG_RSS_HASH_TYPE_IPV6 |
921 NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
922 const u8 rss_hash_bits = 7;
923 const u8 rss_base_cpu = 0;
924 u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1);
927 if (!enic_set_rsskey(enic)) {
928 if (enic_set_rsscpu(enic, rss_hash_bits)) {
930 dev_warning(enic, "RSS disabled, "\
931 "Failed to set RSS cpu indirection table.");
936 "RSS disabled, Failed to set RSS key.\n");
940 return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type,
941 rss_hash_bits, rss_base_cpu, rss_enable);
944 int enic_setup_finish(struct enic *enic)
948 ret = enic_set_rss_nic_cfg(enic);
950 dev_err(enic, "Failed to config nic, aborting.\n");
954 vnic_dev_add_addr(enic->vdev, enic->mac_addr);
957 vnic_dev_packet_filter(enic->vdev,
970 void enic_add_packet_filter(struct enic *enic)
972 /* Args -> directed, multicast, broadcast, promisc, allmulti */
973 vnic_dev_packet_filter(enic->vdev, 1, 1, 1,
974 enic->promisc, enic->allmulti);
977 int enic_get_link_status(struct enic *enic)
979 return vnic_dev_link_status(enic->vdev);
982 static void enic_dev_deinit(struct enic *enic)
984 struct rte_eth_dev *eth_dev = enic->rte_dev;
986 rte_free(eth_dev->data->mac_addrs);
990 int enic_set_vnic_res(struct enic *enic)
992 struct rte_eth_dev *eth_dev = enic->rte_dev;
994 if ((enic->rq_count < eth_dev->data->nb_rx_queues) ||
995 (enic->wq_count < eth_dev->data->nb_tx_queues)) {
996 dev_err(dev, "Not enough resources configured, aborting\n");
1000 enic->rq_count = eth_dev->data->nb_rx_queues;
1001 enic->wq_count = eth_dev->data->nb_tx_queues;
1002 if (enic->cq_count < (enic->rq_count + enic->wq_count)) {
1003 dev_err(dev, "Not enough resources configured, aborting\n");
1007 enic->cq_count = enic->rq_count + enic->wq_count;
1011 static int enic_dev_init(struct enic *enic)
1014 struct rte_eth_dev *eth_dev = enic->rte_dev;
1016 vnic_dev_intr_coal_timer_info_default(enic->vdev);
1018 /* Get vNIC configuration
1020 err = enic_get_vnic_config(enic);
1022 dev_err(dev, "Get vNIC configuration failed, aborting\n");
1026 eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN, 0);
1027 if (!eth_dev->data->mac_addrs) {
1028 dev_err(enic, "mac addr storage alloc failed, aborting.\n");
1031 ether_addr_copy((struct ether_addr *) enic->mac_addr,
1032 ð_dev->data->mac_addrs[0]);
1035 /* Get available resource counts
1037 enic_get_res_counts(enic);
1039 vnic_dev_set_reset_flag(enic->vdev, 0);
1045 int enic_probe(struct enic *enic)
1047 struct rte_pci_device *pdev = enic->pdev;
1050 dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION);
1052 enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr;
1053 enic->bar0.len = pdev->mem_resource[0].len;
1055 /* Register vNIC device */
1056 enic->vdev = vnic_dev_register(NULL, enic, enic->pdev, &enic->bar0, 1);
1058 dev_err(enic, "vNIC registration failed, aborting\n");
1062 vnic_register_cbacks(enic->vdev,
1063 enic_alloc_consistent,
1064 enic_free_consistent);
1066 /* Issue device open to get device in known state */
1067 err = enic_dev_open(enic);
1069 dev_err(enic, "vNIC dev open failed, aborting\n");
1070 goto err_out_unregister;
1073 /* Set ingress vlan rewrite mode before vnic initialization */
1074 err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
1075 IG_VLAN_REWRITE_MODE_PRIORITY_TAG_DEFAULT_VLAN);
1078 "Failed to set ingress vlan rewrite mode, aborting.\n");
1079 goto err_out_dev_close;
1082 /* Issue device init to initialize the vnic-to-switch link.
1083 * We'll start with carrier off and wait for link UP
1084 * notification later to turn on carrier. We don't need
1085 * to wait here for the vnic-to-switch link initialization
1086 * to complete; link UP notification is the indication that
1087 * the process is complete.
1090 err = vnic_dev_init(enic->vdev, 0);
1092 dev_err(enic, "vNIC dev init failed, aborting\n");
1093 goto err_out_dev_close;
1096 err = enic_dev_init(enic);
1098 dev_err(enic, "Device initialization failed, aborting\n");
1099 goto err_out_dev_close;
1105 vnic_dev_close(enic->vdev);
1107 vnic_dev_unregister(enic->vdev);
1112 void enic_remove(struct enic *enic)
1114 enic_dev_deinit(enic);
1115 vnic_dev_close(enic->vdev);
1116 vnic_dev_unregister(enic->vdev);