606adbd53a
The Tx functions were in enic_ethdev.c and enic_main.c - files in which they did not logically belong. To make things consistent with most other drivers, we therefore extract them and place them with the equivalent Rx functions into a file called enic_rxtx.c. Signed-off-by: John Daley <johndale@cisco.com>
215 lines
6.8 KiB
C
215 lines
6.8 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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#ifndef _ENIC_H_
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#define _ENIC_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_stats.h"
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#include "vnic_nic.h"
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#include "vnic_rss.h"
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#include "enic_res.h"
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#include "cq_enet_desc.h"
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#define DRV_NAME "enic_pmd"
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#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver"
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#define DRV_VERSION "1.0.0.6"
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#define DRV_COPYRIGHT "Copyright 2008-2015 Cisco Systems, Inc"
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#define ENIC_WQ_MAX 8
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#define ENIC_RQ_MAX 8
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#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
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#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
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#define VLAN_ETH_HLEN 18
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#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
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#define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */
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#define PKT_TX_TCP_UDP_CKSUM 0x6000
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#define ENIC_CALC_IP_CKSUM 1
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#define ENIC_CALC_TCP_UDP_CKSUM 2
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#define ENIC_MAX_MTU 9000
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#define ENIC_PAGE_SIZE 4096
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#define PAGE_ROUND_UP(x) \
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((((unsigned long)(x)) + ENIC_PAGE_SIZE-1) & (~(ENIC_PAGE_SIZE-1)))
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#define ENICPMD_VFIO_PATH "/dev/vfio/vfio"
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/*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/
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#define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */
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#define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */
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#define ENICPMD_FDIR_MAX 64
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struct enic_fdir_node {
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struct rte_eth_fdir_filter filter;
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u16 fltr_id;
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u16 rq_index;
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};
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struct enic_fdir {
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struct rte_eth_fdir_stats stats;
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struct rte_hash *hash;
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struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
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};
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struct enic_soft_stats {
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rte_atomic64_t rx_nombuf;
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rte_atomic64_t rx_packet_errors;
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};
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/* Per-instance private data structure */
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struct enic {
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struct enic *next;
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struct rte_pci_device *pdev;
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struct vnic_enet_config config;
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struct vnic_dev_bar bar0;
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struct vnic_dev *vdev;
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unsigned int port_id;
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struct rte_eth_dev *rte_dev;
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struct enic_fdir fdir;
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char bdf_name[ENICPMD_BDF_LENGTH];
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int dev_fd;
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int iommu_group_fd;
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int iommu_groupid;
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int eventfd;
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uint8_t mac_addr[ETH_ALEN];
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pthread_t err_intr_thread;
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int promisc;
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int allmulti;
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u8 ig_vlan_strip_en;
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int link_status;
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u8 hw_ip_checksum;
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unsigned int flags;
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unsigned int priv_flags;
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/* work queue */
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struct vnic_wq wq[ENIC_WQ_MAX];
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unsigned int wq_count;
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/* receive queue */
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struct vnic_rq rq[ENIC_RQ_MAX];
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unsigned int rq_count;
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/* completion queue */
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struct vnic_cq cq[ENIC_CQ_MAX];
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unsigned int cq_count;
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/* interrupt resource */
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struct vnic_intr intr;
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unsigned int intr_count;
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/* software counters */
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struct enic_soft_stats soft_stats;
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};
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static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
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{
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return rq;
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}
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static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
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{
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return enic->rq_count + wq;
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}
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static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic)
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{
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return 0;
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}
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static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
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{
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return (struct enic *)eth_dev->data->dev_private;
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}
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extern void enic_fdir_stats_get(struct enic *enic,
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struct rte_eth_fdir_stats *stats);
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extern int enic_fdir_add_fltr(struct enic *enic,
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struct rte_eth_fdir_filter *params);
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extern int enic_fdir_del_fltr(struct enic *enic,
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struct rte_eth_fdir_filter *params);
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extern void enic_free_wq(void *txq);
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extern int enic_alloc_intr_resources(struct enic *enic);
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extern int enic_setup_finish(struct enic *enic);
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extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
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unsigned int socket_id, uint16_t nb_desc);
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extern void enic_start_wq(struct enic *enic, uint16_t queue_idx);
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extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
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extern void enic_start_rq(struct enic *enic, uint16_t queue_idx);
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extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
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extern void enic_free_rq(void *rxq);
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extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
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unsigned int socket_id, struct rte_mempool *mp,
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uint16_t nb_desc);
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extern int enic_set_rss_nic_cfg(struct enic *enic);
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extern int enic_set_vnic_res(struct enic *enic);
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extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size);
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extern int enic_enable(struct enic *enic);
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extern int enic_disable(struct enic *enic);
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extern void enic_remove(struct enic *enic);
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extern int enic_get_link_status(struct enic *enic);
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extern void enic_dev_stats_get(struct enic *enic,
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struct rte_eth_stats *r_stats);
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extern void enic_dev_stats_clear(struct enic *enic);
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extern void enic_add_packet_filter(struct enic *enic);
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extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
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extern void enic_del_mac_address(struct enic *enic);
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extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
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extern 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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extern void enic_post_wq_index(struct vnic_wq *wq);
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extern int enic_probe(struct enic *enic);
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extern int enic_clsf_init(struct enic *enic);
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extern void enic_clsf_destroy(struct enic *enic);
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uint16_t enic_recv_pkts(void *rx_queue, struct rte_mbuf **rx_pkts,
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uint16_t nb_pkts);
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uint16_t enicpmd_xmit_pkts(void *tx_queue, struct rte_mbuf **tx_pkts,
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uint16_t nb_pkts);
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void enic_free_wq_buf(__rte_unused struct vnic_wq *wq, struct vnic_wq_buf *buf);
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#endif /* _ENIC_H_ */
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