bba57df386
Add the missing '\n' character to the end of a few print statements.
Fixes: fefed3d1e6
("enic: new driver")
Signed-off-by: Nelson Escobar <neescoba@cisco.com>
Acked-by: John Daley <johndale@cisco.com>
979 lines
23 KiB
C
979 lines
23 KiB
C
/*
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* Copyright 2008-2014 Cisco Systems, Inc. All rights reserved.
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* Copyright 2007 Nuova Systems, Inc. All rights reserved.
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*
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* Copyright (c) 2014, Cisco Systems, Inc.
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
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* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
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* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
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* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#include <stdio.h>
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#include <sys/stat.h>
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#include <sys/mman.h>
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#include <fcntl.h>
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#include <libgen.h>
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#include <rte_pci.h>
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#include <rte_memzone.h>
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#include <rte_malloc.h>
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#include <rte_mbuf.h>
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#include <rte_string_fns.h>
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#include <rte_ethdev.h>
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#include "enic_compat.h"
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#include "enic.h"
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#include "wq_enet_desc.h"
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#include "rq_enet_desc.h"
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#include "cq_enet_desc.h"
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#include "vnic_enet.h"
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#include "vnic_dev.h"
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#include "vnic_wq.h"
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#include "vnic_rq.h"
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#include "vnic_cq.h"
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#include "vnic_intr.h"
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#include "vnic_nic.h"
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#include "enic_vnic_wq.h"
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static inline struct rte_mbuf *
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rte_rxmbuf_alloc(struct rte_mempool *mp)
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{
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struct rte_mbuf *m;
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m = __rte_mbuf_raw_alloc(mp);
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__rte_mbuf_sanity_check_raw(m, 0);
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return m;
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}
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static inline int enic_is_sriov_vf(struct enic *enic)
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{
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return enic->pdev->id.device_id == PCI_DEVICE_ID_CISCO_VIC_ENET_VF;
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}
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static int is_zero_addr(uint8_t *addr)
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{
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return !(addr[0] | addr[1] | addr[2] | addr[3] | addr[4] | addr[5]);
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}
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static int is_mcast_addr(uint8_t *addr)
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{
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return addr[0] & 1;
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}
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static int is_eth_addr_valid(uint8_t *addr)
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{
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return !is_mcast_addr(addr) && !is_zero_addr(addr);
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}
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static void
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enic_rxmbuf_queue_release(struct enic *enic, struct vnic_rq *rq)
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{
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uint16_t i;
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if (!rq || !rq->mbuf_ring) {
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dev_debug(enic, "Pointer to rq or mbuf_ring is NULL");
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return;
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}
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for (i = 0; i < enic->config.rq_desc_count; i++) {
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if (rq->mbuf_ring[i]) {
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rte_pktmbuf_free_seg(rq->mbuf_ring[i]);
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rq->mbuf_ring[i] = NULL;
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}
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}
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}
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void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size)
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{
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vnic_set_hdr_split_size(enic->vdev, split_hdr_size);
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}
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static void enic_free_wq_buf(__rte_unused struct vnic_wq *wq, struct vnic_wq_buf *buf)
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{
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struct rte_mbuf *mbuf = (struct rte_mbuf *)buf->os_buf;
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rte_mempool_put(mbuf->pool, mbuf);
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buf->os_buf = NULL;
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}
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static void enic_wq_free_buf(struct vnic_wq *wq,
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__rte_unused struct cq_desc *cq_desc,
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struct vnic_wq_buf *buf,
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__rte_unused void *opaque)
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{
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enic_free_wq_buf(wq, buf);
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}
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static int enic_wq_service(struct vnic_dev *vdev, struct cq_desc *cq_desc,
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__rte_unused u8 type, u16 q_number, u16 completed_index, void *opaque)
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{
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struct enic *enic = vnic_dev_priv(vdev);
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vnic_wq_service(&enic->wq[q_number], cq_desc,
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completed_index, enic_wq_free_buf,
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opaque);
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return 0;
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}
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static void enic_log_q_error(struct enic *enic)
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{
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unsigned int i;
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u32 error_status;
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for (i = 0; i < enic->wq_count; i++) {
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error_status = vnic_wq_error_status(&enic->wq[i]);
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if (error_status)
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dev_err(enic, "WQ[%d] error_status %d\n", i,
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error_status);
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}
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for (i = 0; i < enic->rq_count; i++) {
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error_status = vnic_rq_error_status(&enic->rq[i]);
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if (error_status)
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dev_err(enic, "RQ[%d] error_status %d\n", i,
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error_status);
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}
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}
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unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq)
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{
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unsigned int cq = enic_cq_wq(enic, wq->index);
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/* Return the work done */
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return vnic_cq_service(&enic->cq[cq],
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-1 /*wq_work_to_do*/, enic_wq_service, NULL);
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}
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void enic_post_wq_index(struct vnic_wq *wq)
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{
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enic_vnic_post_wq_index(wq);
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}
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void enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
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struct rte_mbuf *tx_pkt, unsigned short len,
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uint8_t sop, uint8_t eop, uint8_t cq_entry,
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uint16_t ol_flags, uint16_t vlan_tag)
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{
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struct wq_enet_desc *desc = vnic_wq_next_desc(wq);
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uint16_t mss = 0;
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uint8_t vlan_tag_insert = 0;
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uint64_t bus_addr = (dma_addr_t)
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(tx_pkt->buf_physaddr + tx_pkt->data_off);
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if (sop) {
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if (ol_flags & PKT_TX_VLAN_PKT)
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vlan_tag_insert = 1;
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if (enic->hw_ip_checksum) {
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if (ol_flags & PKT_TX_IP_CKSUM)
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mss |= ENIC_CALC_IP_CKSUM;
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if (ol_flags & PKT_TX_TCP_UDP_CKSUM)
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mss |= ENIC_CALC_TCP_UDP_CKSUM;
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}
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}
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wq_enet_desc_enc(desc,
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bus_addr,
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len,
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mss,
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0 /* header_length */,
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0 /* offload_mode WQ_ENET_OFFLOAD_MODE_CSUM */,
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eop,
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cq_entry,
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0 /* fcoe_encap */,
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vlan_tag_insert,
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vlan_tag,
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0 /* loopback */);
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enic_vnic_post_wq(wq, (void *)tx_pkt, bus_addr, len,
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sop,
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1 /*desc_skip_cnt*/,
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cq_entry,
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0 /*compressed send*/,
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0 /*wrid*/);
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}
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void enic_dev_stats_clear(struct enic *enic)
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{
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if (vnic_dev_stats_clear(enic->vdev))
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dev_err(enic, "Error in clearing stats\n");
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}
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void enic_dev_stats_get(struct enic *enic, struct rte_eth_stats *r_stats)
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{
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struct vnic_stats *stats;
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if (vnic_dev_stats_dump(enic->vdev, &stats)) {
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dev_err(enic, "Error in getting stats\n");
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return;
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}
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r_stats->ipackets = stats->rx.rx_frames_ok;
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r_stats->opackets = stats->tx.tx_frames_ok;
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r_stats->ibytes = stats->rx.rx_bytes_ok;
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r_stats->obytes = stats->tx.tx_bytes_ok;
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r_stats->ierrors = stats->rx.rx_errors;
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r_stats->oerrors = stats->tx.tx_errors;
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r_stats->imcasts = stats->rx.rx_multicast_frames_ok;
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r_stats->rx_nombuf = stats->rx.rx_no_bufs;
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}
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void enic_del_mac_address(struct enic *enic)
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{
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if (vnic_dev_del_addr(enic->vdev, enic->mac_addr))
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dev_err(enic, "del mac addr failed\n");
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}
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void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr)
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{
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int err;
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if (!is_eth_addr_valid(mac_addr)) {
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dev_err(enic, "invalid mac address\n");
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return;
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}
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err = vnic_dev_del_addr(enic->vdev, mac_addr);
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if (err) {
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dev_err(enic, "del mac addr failed\n");
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return;
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}
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ether_addr_copy((struct ether_addr *)mac_addr,
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(struct ether_addr *)enic->mac_addr);
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err = vnic_dev_add_addr(enic->vdev, mac_addr);
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if (err) {
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dev_err(enic, "add mac addr failed\n");
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return;
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}
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}
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static void
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enic_free_rq_buf(struct rte_mbuf **mbuf)
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{
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if (*mbuf == NULL)
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return;
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rte_pktmbuf_free(*mbuf);
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mbuf = NULL;
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}
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void enic_init_vnic_resources(struct enic *enic)
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{
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unsigned int error_interrupt_enable = 1;
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unsigned int error_interrupt_offset = 0;
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unsigned int index = 0;
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for (index = 0; index < enic->rq_count; index++) {
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vnic_rq_init(&enic->rq[index],
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enic_cq_rq(enic, index),
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error_interrupt_enable,
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error_interrupt_offset);
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}
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for (index = 0; index < enic->wq_count; index++) {
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vnic_wq_init(&enic->wq[index],
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enic_cq_wq(enic, index),
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error_interrupt_enable,
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error_interrupt_offset);
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}
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vnic_dev_stats_clear(enic->vdev);
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for (index = 0; index < enic->cq_count; index++) {
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vnic_cq_init(&enic->cq[index],
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0 /* flow_control_enable */,
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1 /* color_enable */,
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0 /* cq_head */,
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0 /* cq_tail */,
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1 /* cq_tail_color */,
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0 /* interrupt_enable */,
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1 /* cq_entry_enable */,
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0 /* cq_message_enable */,
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0 /* interrupt offset */,
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0 /* cq_message_addr */);
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}
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vnic_intr_init(&enic->intr,
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enic->config.intr_timer_usec,
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enic->config.intr_timer_type,
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/*mask_on_assertion*/1);
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}
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static int
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enic_alloc_rx_queue_mbufs(struct enic *enic, struct vnic_rq *rq)
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{
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struct rte_mbuf *mb;
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struct rq_enet_desc *rqd = rq->ring.descs;
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unsigned i;
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dma_addr_t dma_addr;
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dev_debug(enic, "queue %u, allocating %u rx queue mbufs\n", rq->index,
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rq->ring.desc_count);
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for (i = 0; i < rq->ring.desc_count; i++, rqd++) {
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mb = rte_rxmbuf_alloc(rq->mp);
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if (mb == NULL) {
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dev_err(enic, "RX mbuf alloc failed queue_id=%u\n",
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(unsigned)rq->index);
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return -ENOMEM;
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}
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dma_addr = (dma_addr_t)(mb->buf_physaddr + mb->data_off);
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rq_enet_desc_enc(rqd, dma_addr, RQ_ENET_TYPE_ONLY_SOP,
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mb->buf_len);
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rq->mbuf_ring[i] = mb;
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}
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/* make sure all prior writes are complete before doing the PIO write */
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rte_rmb();
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/* Post all but the last 2 cache lines' worth of descriptors */
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rq->posted_index = rq->ring.desc_count - (2 * RTE_CACHE_LINE_SIZE
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/ sizeof(struct rq_enet_desc));
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rq->rx_nb_hold = 0;
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dev_debug(enic, "port=%u, qidx=%u, Write %u posted idx, %u sw held\n",
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enic->port_id, rq->index, rq->posted_index, rq->rx_nb_hold);
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iowrite32(rq->posted_index, &rq->ctrl->posted_index);
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rte_rmb();
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return 0;
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}
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static void *
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enic_alloc_consistent(__rte_unused void *priv, size_t size,
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dma_addr_t *dma_handle, u8 *name)
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{
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void *vaddr;
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const struct rte_memzone *rz;
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*dma_handle = 0;
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rz = rte_memzone_reserve_aligned((const char *)name,
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size, SOCKET_ID_ANY, 0, ENIC_ALIGN);
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if (!rz) {
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pr_err("%s : Failed to allocate memory requested for %s\n",
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__func__, name);
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return NULL;
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}
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vaddr = rz->addr;
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*dma_handle = (dma_addr_t)rz->phys_addr;
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return vaddr;
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}
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static void
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enic_free_consistent(__rte_unused struct rte_pci_device *hwdev,
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__rte_unused size_t size,
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__rte_unused void *vaddr,
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__rte_unused dma_addr_t dma_handle)
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{
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/* Nothing to be done */
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}
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static void
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enic_intr_handler(__rte_unused struct rte_intr_handle *handle,
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void *arg)
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{
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struct enic *enic = pmd_priv((struct rte_eth_dev *)arg);
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vnic_intr_return_all_credits(&enic->intr);
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enic_log_q_error(enic);
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}
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int enic_enable(struct enic *enic)
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{
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unsigned int index;
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int err;
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struct rte_eth_dev *eth_dev = enic->rte_dev;
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eth_dev->data->dev_link.link_speed = vnic_dev_port_speed(enic->vdev);
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eth_dev->data->dev_link.link_duplex = ETH_LINK_FULL_DUPLEX;
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vnic_dev_notify_set(enic->vdev, -1); /* No Intr for notify */
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if (enic_clsf_init(enic))
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dev_warning(enic, "Init of hash table for clsf failed."\
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"Flow director feature will not work\n");
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for (index = 0; index < enic->rq_count; index++) {
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err = enic_alloc_rx_queue_mbufs(enic, &enic->rq[index]);
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if (err) {
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dev_err(enic, "Failed to alloc RX queue mbufs\n");
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return err;
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}
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}
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for (index = 0; index < enic->wq_count; index++)
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vnic_wq_enable(&enic->wq[index]);
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for (index = 0; index < enic->rq_count; index++)
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vnic_rq_enable(&enic->rq[index]);
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vnic_dev_enable_wait(enic->vdev);
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/* Register and enable error interrupt */
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rte_intr_callback_register(&(enic->pdev->intr_handle),
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enic_intr_handler, (void *)enic->rte_dev);
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rte_intr_enable(&(enic->pdev->intr_handle));
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vnic_intr_unmask(&enic->intr);
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return 0;
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}
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int enic_alloc_intr_resources(struct enic *enic)
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{
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int err;
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dev_info(enic, "vNIC resources used: "\
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"wq %d rq %d cq %d intr %d\n",
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enic->wq_count, enic->rq_count,
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enic->cq_count, enic->intr_count);
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err = vnic_intr_alloc(enic->vdev, &enic->intr, 0);
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if (err)
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enic_free_vnic_resources(enic);
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return err;
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}
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void enic_free_rq(void *rxq)
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{
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struct vnic_rq *rq = (struct vnic_rq *)rxq;
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struct enic *enic = vnic_dev_priv(rq->vdev);
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enic_rxmbuf_queue_release(enic, rq);
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rte_free(rq->mbuf_ring);
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rq->mbuf_ring = NULL;
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vnic_rq_free(rq);
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vnic_cq_free(&enic->cq[rq->index]);
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}
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void enic_start_wq(struct enic *enic, uint16_t queue_idx)
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{
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vnic_wq_enable(&enic->wq[queue_idx]);
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}
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int enic_stop_wq(struct enic *enic, uint16_t queue_idx)
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{
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return vnic_wq_disable(&enic->wq[queue_idx]);
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}
|
|
|
|
void enic_start_rq(struct enic *enic, uint16_t queue_idx)
|
|
{
|
|
vnic_rq_enable(&enic->rq[queue_idx]);
|
|
}
|
|
|
|
int enic_stop_rq(struct enic *enic, uint16_t queue_idx)
|
|
{
|
|
return vnic_rq_disable(&enic->rq[queue_idx]);
|
|
}
|
|
|
|
int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
|
|
unsigned int socket_id, struct rte_mempool *mp,
|
|
uint16_t nb_desc)
|
|
{
|
|
int rc;
|
|
struct vnic_rq *rq = &enic->rq[queue_idx];
|
|
|
|
rq->socket_id = socket_id;
|
|
rq->mp = mp;
|
|
|
|
if (nb_desc) {
|
|
if (nb_desc > enic->config.rq_desc_count) {
|
|
dev_warning(enic,
|
|
"RQ %d - number of rx desc in cmd line (%d)"\
|
|
"is greater than that in the UCSM/CIMC adapter"\
|
|
"policy. Applying the value in the adapter "\
|
|
"policy (%d).\n",
|
|
queue_idx, nb_desc, enic->config.rq_desc_count);
|
|
} else if (nb_desc != enic->config.rq_desc_count) {
|
|
enic->config.rq_desc_count = nb_desc;
|
|
dev_info(enic,
|
|
"RX Queues - effective number of descs:%d\n",
|
|
nb_desc);
|
|
}
|
|
}
|
|
|
|
/* Allocate queue resources */
|
|
rc = vnic_rq_alloc(enic->vdev, rq, queue_idx,
|
|
enic->config.rq_desc_count, sizeof(struct rq_enet_desc));
|
|
if (rc) {
|
|
dev_err(enic, "error in allocation of rq\n");
|
|
goto err_exit;
|
|
}
|
|
|
|
rc = vnic_cq_alloc(enic->vdev, &enic->cq[queue_idx], queue_idx,
|
|
socket_id, enic->config.rq_desc_count,
|
|
sizeof(struct cq_enet_rq_desc));
|
|
if (rc) {
|
|
dev_err(enic, "error in allocation of cq for rq\n");
|
|
goto err_free_rq_exit;
|
|
}
|
|
|
|
/* Allocate the mbuf ring */
|
|
rq->mbuf_ring = (struct rte_mbuf **)rte_zmalloc_socket("rq->mbuf_ring",
|
|
sizeof(struct rte_mbuf *) * enic->config.rq_desc_count,
|
|
RTE_CACHE_LINE_SIZE, rq->socket_id);
|
|
|
|
if (rq->mbuf_ring != NULL)
|
|
return 0;
|
|
|
|
/* cleanup on error */
|
|
vnic_cq_free(&enic->cq[queue_idx]);
|
|
err_free_rq_exit:
|
|
vnic_rq_free(rq);
|
|
err_exit:
|
|
return -ENOMEM;
|
|
}
|
|
|
|
void enic_free_wq(void *txq)
|
|
{
|
|
struct vnic_wq *wq = (struct vnic_wq *)txq;
|
|
struct enic *enic = vnic_dev_priv(wq->vdev);
|
|
|
|
vnic_wq_free(wq);
|
|
vnic_cq_free(&enic->cq[enic->rq_count + wq->index]);
|
|
}
|
|
|
|
int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
|
|
unsigned int socket_id, uint16_t nb_desc)
|
|
{
|
|
int err;
|
|
struct vnic_wq *wq = &enic->wq[queue_idx];
|
|
unsigned int cq_index = enic_cq_wq(enic, queue_idx);
|
|
|
|
wq->socket_id = socket_id;
|
|
if (nb_desc) {
|
|
if (nb_desc > enic->config.wq_desc_count) {
|
|
dev_warning(enic,
|
|
"WQ %d - number of tx desc in cmd line (%d)"\
|
|
"is greater than that in the UCSM/CIMC adapter"\
|
|
"policy. Applying the value in the adapter "\
|
|
"policy (%d)\n",
|
|
queue_idx, nb_desc, enic->config.wq_desc_count);
|
|
} else if (nb_desc != enic->config.wq_desc_count) {
|
|
enic->config.wq_desc_count = nb_desc;
|
|
dev_info(enic,
|
|
"TX Queues - effective number of descs:%d\n",
|
|
nb_desc);
|
|
}
|
|
}
|
|
|
|
/* Allocate queue resources */
|
|
err = vnic_wq_alloc(enic->vdev, &enic->wq[queue_idx], queue_idx,
|
|
enic->config.wq_desc_count,
|
|
sizeof(struct wq_enet_desc));
|
|
if (err) {
|
|
dev_err(enic, "error in allocation of wq\n");
|
|
return err;
|
|
}
|
|
|
|
err = vnic_cq_alloc(enic->vdev, &enic->cq[cq_index], cq_index,
|
|
socket_id, enic->config.wq_desc_count,
|
|
sizeof(struct cq_enet_wq_desc));
|
|
if (err) {
|
|
vnic_wq_free(wq);
|
|
dev_err(enic, "error in allocation of cq for wq\n");
|
|
}
|
|
|
|
return err;
|
|
}
|
|
|
|
int enic_disable(struct enic *enic)
|
|
{
|
|
unsigned int i;
|
|
int err;
|
|
|
|
vnic_intr_mask(&enic->intr);
|
|
(void)vnic_intr_masked(&enic->intr); /* flush write */
|
|
|
|
vnic_dev_disable(enic->vdev);
|
|
|
|
enic_clsf_destroy(enic);
|
|
|
|
if (!enic_is_sriov_vf(enic))
|
|
vnic_dev_del_addr(enic->vdev, enic->mac_addr);
|
|
|
|
for (i = 0; i < enic->wq_count; i++) {
|
|
err = vnic_wq_disable(&enic->wq[i]);
|
|
if (err)
|
|
return err;
|
|
}
|
|
for (i = 0; i < enic->rq_count; i++) {
|
|
err = vnic_rq_disable(&enic->rq[i]);
|
|
if (err)
|
|
return err;
|
|
}
|
|
|
|
vnic_dev_set_reset_flag(enic->vdev, 1);
|
|
vnic_dev_notify_unset(enic->vdev);
|
|
|
|
for (i = 0; i < enic->wq_count; i++)
|
|
vnic_wq_clean(&enic->wq[i], enic_free_wq_buf);
|
|
|
|
for (i = 0; i < enic->rq_count; i++)
|
|
vnic_rq_clean(&enic->rq[i], enic_free_rq_buf);
|
|
for (i = 0; i < enic->cq_count; i++)
|
|
vnic_cq_clean(&enic->cq[i]);
|
|
vnic_intr_clean(&enic->intr);
|
|
|
|
return 0;
|
|
}
|
|
|
|
static int enic_dev_wait(struct vnic_dev *vdev,
|
|
int (*start)(struct vnic_dev *, int),
|
|
int (*finished)(struct vnic_dev *, int *),
|
|
int arg)
|
|
{
|
|
int done;
|
|
int err;
|
|
int i;
|
|
|
|
err = start(vdev, arg);
|
|
if (err)
|
|
return err;
|
|
|
|
/* Wait for func to complete...2 seconds max */
|
|
for (i = 0; i < 2000; i++) {
|
|
err = finished(vdev, &done);
|
|
if (err)
|
|
return err;
|
|
if (done)
|
|
return 0;
|
|
usleep(1000);
|
|
}
|
|
return -ETIMEDOUT;
|
|
}
|
|
|
|
static int enic_dev_open(struct enic *enic)
|
|
{
|
|
int err;
|
|
|
|
err = enic_dev_wait(enic->vdev, vnic_dev_open,
|
|
vnic_dev_open_done, 0);
|
|
if (err)
|
|
dev_err(enic_get_dev(enic),
|
|
"vNIC device open failed, err %d\n", err);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int enic_set_rsskey(struct enic *enic)
|
|
{
|
|
dma_addr_t rss_key_buf_pa;
|
|
union vnic_rss_key *rss_key_buf_va = NULL;
|
|
static union vnic_rss_key rss_key = {
|
|
.key = {
|
|
[0] = {.b = {85, 67, 83, 97, 119, 101, 115, 111, 109, 101}},
|
|
[1] = {.b = {80, 65, 76, 79, 117, 110, 105, 113, 117, 101}},
|
|
[2] = {.b = {76, 73, 78, 85, 88, 114, 111, 99, 107, 115}},
|
|
[3] = {.b = {69, 78, 73, 67, 105, 115, 99, 111, 111, 108}},
|
|
}
|
|
};
|
|
int err;
|
|
u8 name[NAME_MAX];
|
|
|
|
snprintf((char *)name, NAME_MAX, "rss_key-%s", enic->bdf_name);
|
|
rss_key_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_key),
|
|
&rss_key_buf_pa, name);
|
|
if (!rss_key_buf_va)
|
|
return -ENOMEM;
|
|
|
|
rte_memcpy(rss_key_buf_va, &rss_key, sizeof(union vnic_rss_key));
|
|
|
|
err = enic_set_rss_key(enic,
|
|
rss_key_buf_pa,
|
|
sizeof(union vnic_rss_key));
|
|
|
|
enic_free_consistent(enic->pdev, sizeof(union vnic_rss_key),
|
|
rss_key_buf_va, rss_key_buf_pa);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int enic_set_rsscpu(struct enic *enic, u8 rss_hash_bits)
|
|
{
|
|
dma_addr_t rss_cpu_buf_pa;
|
|
union vnic_rss_cpu *rss_cpu_buf_va = NULL;
|
|
int i;
|
|
int err;
|
|
u8 name[NAME_MAX];
|
|
|
|
snprintf((char *)name, NAME_MAX, "rss_cpu-%s", enic->bdf_name);
|
|
rss_cpu_buf_va = enic_alloc_consistent(enic, sizeof(union vnic_rss_cpu),
|
|
&rss_cpu_buf_pa, name);
|
|
if (!rss_cpu_buf_va)
|
|
return -ENOMEM;
|
|
|
|
for (i = 0; i < (1 << rss_hash_bits); i++)
|
|
(*rss_cpu_buf_va).cpu[i/4].b[i%4] = i % enic->rq_count;
|
|
|
|
err = enic_set_rss_cpu(enic,
|
|
rss_cpu_buf_pa,
|
|
sizeof(union vnic_rss_cpu));
|
|
|
|
enic_free_consistent(enic->pdev, sizeof(union vnic_rss_cpu),
|
|
rss_cpu_buf_va, rss_cpu_buf_pa);
|
|
|
|
return err;
|
|
}
|
|
|
|
static int enic_set_niccfg(struct enic *enic, u8 rss_default_cpu,
|
|
u8 rss_hash_type, u8 rss_hash_bits, u8 rss_base_cpu, u8 rss_enable)
|
|
{
|
|
const u8 tso_ipid_split_en = 0;
|
|
int err;
|
|
|
|
/* Enable VLAN tag stripping */
|
|
|
|
err = enic_set_nic_cfg(enic,
|
|
rss_default_cpu, rss_hash_type,
|
|
rss_hash_bits, rss_base_cpu,
|
|
rss_enable, tso_ipid_split_en,
|
|
enic->ig_vlan_strip_en);
|
|
|
|
return err;
|
|
}
|
|
|
|
int enic_set_rss_nic_cfg(struct enic *enic)
|
|
{
|
|
const u8 rss_default_cpu = 0;
|
|
const u8 rss_hash_type = NIC_CFG_RSS_HASH_TYPE_IPV4 |
|
|
NIC_CFG_RSS_HASH_TYPE_TCP_IPV4 |
|
|
NIC_CFG_RSS_HASH_TYPE_IPV6 |
|
|
NIC_CFG_RSS_HASH_TYPE_TCP_IPV6;
|
|
const u8 rss_hash_bits = 7;
|
|
const u8 rss_base_cpu = 0;
|
|
u8 rss_enable = ENIC_SETTING(enic, RSS) && (enic->rq_count > 1);
|
|
|
|
if (rss_enable) {
|
|
if (!enic_set_rsskey(enic)) {
|
|
if (enic_set_rsscpu(enic, rss_hash_bits)) {
|
|
rss_enable = 0;
|
|
dev_warning(enic, "RSS disabled, "\
|
|
"Failed to set RSS cpu indirection table.");
|
|
}
|
|
} else {
|
|
rss_enable = 0;
|
|
dev_warning(enic,
|
|
"RSS disabled, Failed to set RSS key.\n");
|
|
}
|
|
}
|
|
|
|
return enic_set_niccfg(enic, rss_default_cpu, rss_hash_type,
|
|
rss_hash_bits, rss_base_cpu, rss_enable);
|
|
}
|
|
|
|
int enic_setup_finish(struct enic *enic)
|
|
{
|
|
int ret;
|
|
|
|
ret = enic_set_rss_nic_cfg(enic);
|
|
if (ret) {
|
|
dev_err(enic, "Failed to config nic, aborting.\n");
|
|
return -1;
|
|
}
|
|
|
|
vnic_dev_add_addr(enic->vdev, enic->mac_addr);
|
|
|
|
/* Default conf */
|
|
vnic_dev_packet_filter(enic->vdev,
|
|
1 /* directed */,
|
|
1 /* multicast */,
|
|
1 /* broadcast */,
|
|
0 /* promisc */,
|
|
1 /* allmulti */);
|
|
|
|
enic->promisc = 0;
|
|
enic->allmulti = 1;
|
|
|
|
return 0;
|
|
}
|
|
|
|
void enic_add_packet_filter(struct enic *enic)
|
|
{
|
|
/* Args -> directed, multicast, broadcast, promisc, allmulti */
|
|
vnic_dev_packet_filter(enic->vdev, 1, 1, 1,
|
|
enic->promisc, enic->allmulti);
|
|
}
|
|
|
|
int enic_get_link_status(struct enic *enic)
|
|
{
|
|
return vnic_dev_link_status(enic->vdev);
|
|
}
|
|
|
|
static void enic_dev_deinit(struct enic *enic)
|
|
{
|
|
struct rte_eth_dev *eth_dev = enic->rte_dev;
|
|
|
|
rte_free(eth_dev->data->mac_addrs);
|
|
}
|
|
|
|
|
|
int enic_set_vnic_res(struct enic *enic)
|
|
{
|
|
struct rte_eth_dev *eth_dev = enic->rte_dev;
|
|
|
|
if ((enic->rq_count < eth_dev->data->nb_rx_queues) ||
|
|
(enic->wq_count < eth_dev->data->nb_tx_queues)) {
|
|
dev_err(dev, "Not enough resources configured, aborting\n");
|
|
return -1;
|
|
}
|
|
|
|
enic->rq_count = eth_dev->data->nb_rx_queues;
|
|
enic->wq_count = eth_dev->data->nb_tx_queues;
|
|
if (enic->cq_count < (enic->rq_count + enic->wq_count)) {
|
|
dev_err(dev, "Not enough resources configured, aborting\n");
|
|
return -1;
|
|
}
|
|
|
|
enic->cq_count = enic->rq_count + enic->wq_count;
|
|
return 0;
|
|
}
|
|
|
|
static int enic_dev_init(struct enic *enic)
|
|
{
|
|
int err;
|
|
struct rte_eth_dev *eth_dev = enic->rte_dev;
|
|
|
|
vnic_dev_intr_coal_timer_info_default(enic->vdev);
|
|
|
|
/* Get vNIC configuration
|
|
*/
|
|
err = enic_get_vnic_config(enic);
|
|
if (err) {
|
|
dev_err(dev, "Get vNIC configuration failed, aborting\n");
|
|
return err;
|
|
}
|
|
|
|
eth_dev->data->mac_addrs = rte_zmalloc("enic_mac_addr", ETH_ALEN, 0);
|
|
if (!eth_dev->data->mac_addrs) {
|
|
dev_err(enic, "mac addr storage alloc failed, aborting.\n");
|
|
return -1;
|
|
}
|
|
ether_addr_copy((struct ether_addr *) enic->mac_addr,
|
|
ð_dev->data->mac_addrs[0]);
|
|
|
|
|
|
/* Get available resource counts
|
|
*/
|
|
enic_get_res_counts(enic);
|
|
|
|
vnic_dev_set_reset_flag(enic->vdev, 0);
|
|
|
|
return 0;
|
|
|
|
}
|
|
|
|
int enic_probe(struct enic *enic)
|
|
{
|
|
struct rte_pci_device *pdev = enic->pdev;
|
|
int err = -1;
|
|
|
|
dev_debug(enic, " Initializing ENIC PMD version %s\n", DRV_VERSION);
|
|
|
|
enic->bar0.vaddr = (void *)pdev->mem_resource[0].addr;
|
|
enic->bar0.len = pdev->mem_resource[0].len;
|
|
|
|
/* Register vNIC device */
|
|
enic->vdev = vnic_dev_register(NULL, enic, enic->pdev, &enic->bar0, 1);
|
|
if (!enic->vdev) {
|
|
dev_err(enic, "vNIC registration failed, aborting\n");
|
|
goto err_out;
|
|
}
|
|
|
|
vnic_register_cbacks(enic->vdev,
|
|
enic_alloc_consistent,
|
|
enic_free_consistent);
|
|
|
|
/* Issue device open to get device in known state */
|
|
err = enic_dev_open(enic);
|
|
if (err) {
|
|
dev_err(enic, "vNIC dev open failed, aborting\n");
|
|
goto err_out_unregister;
|
|
}
|
|
|
|
/* Set ingress vlan rewrite mode before vnic initialization */
|
|
err = vnic_dev_set_ig_vlan_rewrite_mode(enic->vdev,
|
|
IG_VLAN_REWRITE_MODE_PASS_THRU);
|
|
if (err) {
|
|
dev_err(enic,
|
|
"Failed to set ingress vlan rewrite mode, aborting.\n");
|
|
goto err_out_dev_close;
|
|
}
|
|
|
|
/* Issue device init to initialize the vnic-to-switch link.
|
|
* We'll start with carrier off and wait for link UP
|
|
* notification later to turn on carrier. We don't need
|
|
* to wait here for the vnic-to-switch link initialization
|
|
* to complete; link UP notification is the indication that
|
|
* the process is complete.
|
|
*/
|
|
|
|
err = vnic_dev_init(enic->vdev, 0);
|
|
if (err) {
|
|
dev_err(enic, "vNIC dev init failed, aborting\n");
|
|
goto err_out_dev_close;
|
|
}
|
|
|
|
err = enic_dev_init(enic);
|
|
if (err) {
|
|
dev_err(enic, "Device initialization failed, aborting\n");
|
|
goto err_out_dev_close;
|
|
}
|
|
|
|
return 0;
|
|
|
|
err_out_dev_close:
|
|
vnic_dev_close(enic->vdev);
|
|
err_out_unregister:
|
|
vnic_dev_unregister(enic->vdev);
|
|
err_out:
|
|
return err;
|
|
}
|
|
|
|
void enic_remove(struct enic *enic)
|
|
{
|
|
enic_dev_deinit(enic);
|
|
vnic_dev_close(enic->vdev);
|
|
vnic_dev_unregister(enic->vdev);
|
|
}
|