/* SPDX-License-Identifier: GPL-2.0-only */
/*
 * QLogic qlcnic NIC Driver
 * Copyright (c)  2009-2013 QLogic Corporation
 */

#ifndef __QLCNIC_DCBX_H
#define __QLCNIC_DCBX_H

#define QLCNIC_DCB_STATE        0
#define QLCNIC_DCB_AEN_MODE     1

#ifdef CONFIG_QLCNIC_DCB
int qlcnic_register_dcb(struct qlcnic_adapter *);
#else
static inline int qlcnic_register_dcb(struct qlcnic_adapter *adapter)
{ return 0; }
#endif

struct qlcnic_dcb;

struct qlcnic_dcb_ops {
        int (*query_hw_capability) (struct qlcnic_dcb *, char *);
        int (*get_hw_capability) (struct qlcnic_dcb *);
        int (*query_cee_param) (struct qlcnic_dcb *, char *, u8);
        void (*init_dcbnl_ops) (struct qlcnic_dcb *);
        void (*aen_handler) (struct qlcnic_dcb *, void *);
        int (*get_cee_cfg) (struct qlcnic_dcb *);
        void (*get_info) (struct qlcnic_dcb *);
        int (*attach) (struct qlcnic_dcb *);
        void (*free) (struct qlcnic_dcb *);
};

struct qlcnic_dcb {
        struct qlcnic_dcb_mbx_params    *param;
        struct qlcnic_adapter           *adapter;
        struct delayed_work             aen_work;
        struct workqueue_struct         *wq;
        const struct qlcnic_dcb_ops     *ops;
        struct qlcnic_dcb_cfg           *cfg;
        unsigned long                   state;
};

static inline int qlcnic_dcb_get_hw_capability(struct qlcnic_dcb *dcb)
{
        if (dcb && dcb->ops->get_hw_capability)
                return dcb->ops->get_hw_capability(dcb);

        return -EOPNOTSUPP;
}

static inline void qlcnic_dcb_free(struct qlcnic_dcb *dcb)
{
        if (dcb && dcb->ops->free)
                dcb->ops->free(dcb);
}

static inline int qlcnic_dcb_attach(struct qlcnic_dcb *dcb)
{
        if (dcb && dcb->ops->attach)
                return dcb->ops->attach(dcb);

        return -EOPNOTSUPP;
}

static inline int
qlcnic_dcb_query_hw_capability(struct qlcnic_dcb *dcb, char *buf)
{
        if (dcb && dcb->ops->query_hw_capability)
                return dcb->ops->query_hw_capability(dcb, buf);

        return -EOPNOTSUPP;
}

static inline void qlcnic_dcb_get_info(struct qlcnic_dcb *dcb)
{
        if (dcb && dcb->ops->get_info)
                dcb->ops->get_info(dcb);
}

static inline int
qlcnic_dcb_query_cee_param(struct qlcnic_dcb *dcb, char *buf, u8 type)
{
        if (dcb && dcb->ops->query_cee_param)
                return dcb->ops->query_cee_param(dcb, buf, type);

        return -EOPNOTSUPP;
}

static inline int qlcnic_dcb_get_cee_cfg(struct qlcnic_dcb *dcb)
{
        if (dcb && dcb->ops->get_cee_cfg)
                return dcb->ops->get_cee_cfg(dcb);

        return -EOPNOTSUPP;
}

static inline void qlcnic_dcb_aen_handler(struct qlcnic_dcb *dcb, void *msg)
{
        if (dcb && dcb->ops->aen_handler)
                dcb->ops->aen_handler(dcb, msg);
}

static inline void qlcnic_dcb_init_dcbnl_ops(struct qlcnic_dcb *dcb)
{
        if (dcb && dcb->ops->init_dcbnl_ops)
                dcb->ops->init_dcbnl_ops(dcb);
}

static inline int qlcnic_dcb_enable(struct qlcnic_dcb *dcb)
{
        return dcb ? qlcnic_dcb_attach(dcb) : 0;
}
#endif