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/*
* Copyright 2008-2014 Cisco Systems, Inc. All rights reserved.
* Copyright 2007 Nuova Systems, Inc. All rights reserved.
*
* Copyright (c) 2014, Cisco Systems, Inc.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
* BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
* CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
* ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
*/
#ident "$Id$"
#ifndef _ENIC_H_
#define _ENIC_H_
#include "vnic_enet.h"
#include "vnic_dev.h"
#include "vnic_wq.h"
#include "vnic_rq.h"
#include "vnic_cq.h"
#include "vnic_intr.h"
#include "vnic_stats.h"
#include "vnic_nic.h"
#include "vnic_rss.h"
#include "enic_res.h"
#define DRV_NAME "enic_pmd"
#define DRV_DESCRIPTION "Cisco VIC Ethernet NIC Poll-mode Driver"
#define DRV_VERSION "1.0.0.4"
#define DRV_COPYRIGHT "Copyright 2008-2014 Cisco Systems, Inc"
#define ENIC_WQ_MAX 8
#define ENIC_RQ_MAX 8
#define ENIC_CQ_MAX (ENIC_WQ_MAX + ENIC_RQ_MAX)
#define ENIC_INTR_MAX (ENIC_CQ_MAX + 2)
#define VLAN_ETH_HLEN 18
#define ENICPMD_SETTING(enic, f) ((enic->config.flags & VENETF_##f) ? 1 : 0)
#define ENICPMD_BDF_LENGTH 13 /* 0000:00:00.0'\0' */
#define PKT_TX_TCP_UDP_CKSUM 0x6000
#define ENIC_CALC_IP_CKSUM 1
#define ENIC_CALC_TCP_UDP_CKSUM 2
#define ENIC_MAX_MTU 9000
#define PAGE_SIZE 4096
#define PAGE_ROUND_UP(x) \
((((unsigned long)(x)) + PAGE_SIZE-1) & (~(PAGE_SIZE-1)))
#define ENICPMD_VFIO_PATH "/dev/vfio/vfio"
/*#define ENIC_DESC_COUNT_MAKE_ODD (x) do{if ((~(x)) & 1) { (x)--; } }while(0)*/
#define PCI_DEVICE_ID_CISCO_VIC_ENET 0x0043 /* ethernet vnic */
#define PCI_DEVICE_ID_CISCO_VIC_ENET_VF 0x0071 /* enet SRIOV VF */
#define ENICPMD_FDIR_MAX 64
struct enic_fdir_node {
struct rte_fdir_filter filter;
u16 fltr_id;
u16 rq_index;
};
struct enic_fdir {
struct rte_eth_fdir stats;
struct rte_hash *hash;
struct enic_fdir_node *nodes[ENICPMD_FDIR_MAX];
};
/* Per-instance private data structure */
struct enic {
struct enic *next;
struct rte_pci_device *pdev;
struct vnic_enet_config config;
struct vnic_dev_bar bar0;
struct vnic_dev *vdev;
struct rte_eth_dev *rte_dev;
struct enic_fdir fdir;
char bdf_name[ENICPMD_BDF_LENGTH];
int dev_fd;
int iommu_group_fd;
int iommu_groupid;
int eventfd;
uint8_t mac_addr[ETH_ALEN];
pthread_t err_intr_thread;
int promisc;
int allmulti;
int ig_vlan_strip_en;
int link_status;
u8 hw_ip_checksum;
unsigned int flags;
unsigned int priv_flags;
/* work queue */
struct vnic_wq wq[ENIC_WQ_MAX];
unsigned int wq_count;
/* receive queue */
struct vnic_rq rq[ENIC_RQ_MAX];
unsigned int rq_count;
/* completion queue */
struct vnic_cq cq[ENIC_CQ_MAX];
unsigned int cq_count;
/* interrupt resource */
struct vnic_intr intr;
unsigned int intr_count;
};
static inline unsigned int enic_cq_rq(__rte_unused struct enic *enic, unsigned int rq)
{
return rq;
}
static inline unsigned int enic_cq_wq(struct enic *enic, unsigned int wq)
{
return enic->rq_count + wq;
}
static inline unsigned int enic_msix_err_intr(__rte_unused struct enic *enic)
{
return 0;
}
static inline struct enic *pmd_priv(struct rte_eth_dev *eth_dev)
{
return (struct enic *)eth_dev->data->dev_private;
}
extern int enic_fdir_add_fltr(struct enic *enic,
struct rte_fdir_filter *params, u16 queue, u8 drop);
extern int enic_fdir_del_fltr(struct enic *enic,
struct rte_fdir_filter *params);
extern void enic_free_wq(void *txq);
extern int enic_alloc_intr_resources(struct enic *enic);
extern int enic_setup_finish(struct enic *enic);
extern int enic_alloc_wq(struct enic *enic, uint16_t queue_idx,
unsigned int socket_id, uint16_t nb_desc);
extern void enic_start_wq(struct enic *enic, uint16_t queue_idx);
extern int enic_stop_wq(struct enic *enic, uint16_t queue_idx);
extern void enic_start_rq(struct enic *enic, uint16_t queue_idx);
extern int enic_stop_rq(struct enic *enic, uint16_t queue_idx);
extern void enic_free_rq(void *rxq);
extern int enic_alloc_rq(struct enic *enic, uint16_t queue_idx,
unsigned int socket_id, struct rte_mempool *mp,
uint16_t nb_desc);
extern int enic_set_rss_nic_cfg(struct enic *enic);
extern int enic_set_vnic_res(struct enic *enic);
extern void enic_set_hdr_split_size(struct enic *enic, u16 split_hdr_size);
extern int enic_enable(struct enic *enic);
extern int enic_disable(struct enic *enic);
extern void enic_remove(struct enic *enic);
extern int enic_get_link_status(struct enic *enic);
extern void enic_dev_stats_get(struct enic *enic,
struct rte_eth_stats *r_stats);
extern void enic_dev_stats_clear(struct enic *enic);
extern void enic_add_packet_filter(struct enic *enic);
extern void enic_set_mac_address(struct enic *enic, uint8_t *mac_addr);
extern void enic_del_mac_address(struct enic *enic);
extern unsigned int enic_cleanup_wq(struct enic *enic, struct vnic_wq *wq);
extern int enic_send_pkt(struct enic *enic, struct vnic_wq *wq,
struct rte_mbuf *tx_pkt, unsigned short len,
uint8_t sop, uint8_t eop,
uint16_t ol_flags, uint16_t vlan_tag);
extern int enic_poll(struct vnic_rq *rq, struct rte_mbuf **rx_pkts,
unsigned int budget, unsigned int *work_done);
extern int enic_probe(struct enic *enic);
extern int enic_clsf_init(struct enic *enic);
extern void enic_clsf_destroy(struct enic *enic);
#endif /* _ENIC_H_ */
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