enic.h

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/*
 * Copyright 2008-2010 Cisco Systems, Inc.  All rights reserved.
 * Copyright 2007 Nuova Systems, Inc.  All rights reserved.
 *
 * This program is free software; you may redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation; version 2 of the License.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 * SOFTWARE.
 *
 */

#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"

#define DRV_NAME        "enic"
#define DRV_DESCRIPTION     "Cisco VIC Ethernet NIC Driver"
#define DRV_VERSION     "2.1.1.39"
#define DRV_COPYRIGHT       "Copyright 2008-2011 Cisco Systems, Inc"

#define ENIC_BARS_MAX       6

#define ENIC_WQ_MAX     1
#define ENIC_RQ_MAX     8
#define ENIC_CQ_MAX     (ENIC_WQ_MAX + ENIC_RQ_MAX)
#define ENIC_INTR_MAX       (ENIC_CQ_MAX + 2)

struct enic_msix_entry {
    int requested;
    char devname[IFNAMSIZ];
    irqreturn_t (*isr)(int, void *);
    void *devid;
};

/* priv_flags */
#define ENIC_SRIOV_ENABLED      (1 << 0)

/* enic port profile set flags */
#define ENIC_PORT_REQUEST_APPLIED   (1 << 0)
#define ENIC_SET_REQUEST        (1 << 1)
#define ENIC_SET_NAME           (1 << 2)
#define ENIC_SET_INSTANCE       (1 << 3)
#define ENIC_SET_HOST           (1 << 4)

struct enic_port_profile {
    u32 set;
    u8 request;
    char name[PORT_PROFILE_MAX];
    u8 instance_uuid[PORT_UUID_MAX];
    u8 host_uuid[PORT_UUID_MAX];
    u8 vf_mac[ETH_ALEN];
    u8 mac_addr[ETH_ALEN];
};

/* Per-instance private data structure */
struct enic {
    struct net_device *netdev;
    struct pci_dev *pdev;
    struct vnic_enet_config config;
    struct vnic_dev_bar bar[ENIC_BARS_MAX];
    struct vnic_dev *vdev;
    struct timer_list notify_timer;
    struct work_struct reset;
    struct work_struct change_mtu_work;
    struct msix_entry msix_entry[ENIC_INTR_MAX];
    struct enic_msix_entry msix[ENIC_INTR_MAX];
    u32 msg_enable;
    spinlock_t devcmd_lock;
    u8 mac_addr[ETH_ALEN];
    u8 mc_addr[ENIC_MULTICAST_PERFECT_FILTERS][ETH_ALEN];
    u8 uc_addr[ENIC_UNICAST_PERFECT_FILTERS][ETH_ALEN];
    unsigned int flags;
    unsigned int priv_flags;
    unsigned int mc_count;
    unsigned int uc_count;
    u32 port_mtu;
    u32 rx_coalesce_usecs;
    u32 tx_coalesce_usecs;
#ifdef CONFIG_PCI_IOV
    u16 num_vfs;
#endif
    struct enic_port_profile *pp;

    /* work queue cache line section */
    ____cacheline_aligned struct vnic_wq wq[ENIC_WQ_MAX];
    spinlock_t wq_lock[ENIC_WQ_MAX];
    unsigned int wq_count;
    u16 loop_enable;
    u16 loop_tag;

    /* receive queue cache line section */
    ____cacheline_aligned struct vnic_rq rq[ENIC_RQ_MAX];
    unsigned int rq_count;
    u64 rq_truncated_pkts;
    u64 rq_bad_fcs;
    struct napi_struct napi[ENIC_RQ_MAX];

    /* interrupt resource cache line section */
    ____cacheline_aligned struct vnic_intr intr[ENIC_INTR_MAX];
    unsigned int intr_count;
    u32 __iomem *legacy_pba;        /* memory-mapped */

    /* completion queue cache line section */
    ____cacheline_aligned struct vnic_cq cq[ENIC_CQ_MAX];
    unsigned int cq_count;
};

static inline struct device *enic_get_dev(struct enic *enic)
{
    return &(enic->pdev->dev);
}

void enic_reset_addr_lists(struct enic *enic);
int enic_sriov_enabled(struct enic *enic);
int enic_is_valid_vf(struct enic *enic, int vf);
int enic_is_dynamic(struct enic *enic);

#endif /* _ENIC_H_ */