root/drivers/net/ethernet/sfc/sriov.c
// SPDX-License-Identifier: GPL-2.0-only
/****************************************************************************
 * Driver for Solarflare network controllers and boards
 * Copyright 2014-2015 Solarflare Communications Inc.
 */
#include <linux/module.h>
#include "net_driver.h"
#include "nic.h"
#include "sriov.h"

int efx_sriov_set_vf_mac(struct net_device *net_dev, int vf_i, u8 *mac)
{
        struct efx_nic *efx = efx_netdev_priv(net_dev);

        if (efx->type->sriov_set_vf_mac)
                return efx->type->sriov_set_vf_mac(efx, vf_i, mac);
        else
                return -EOPNOTSUPP;
}

int efx_sriov_set_vf_vlan(struct net_device *net_dev, int vf_i, u16 vlan,
                          u8 qos, __be16 vlan_proto)
{
        struct efx_nic *efx = efx_netdev_priv(net_dev);

        if (efx->type->sriov_set_vf_vlan) {
                if ((vlan & ~VLAN_VID_MASK) ||
                    (qos & ~(VLAN_PRIO_MASK >> VLAN_PRIO_SHIFT)))
                        return -EINVAL;

                if (vlan_proto != htons(ETH_P_8021Q))
                        return -EPROTONOSUPPORT;

                return efx->type->sriov_set_vf_vlan(efx, vf_i, vlan, qos);
        } else {
                return -EOPNOTSUPP;
        }
}

int efx_sriov_set_vf_spoofchk(struct net_device *net_dev, int vf_i,
                              bool spoofchk)
{
        struct efx_nic *efx = efx_netdev_priv(net_dev);

        if (efx->type->sriov_set_vf_spoofchk)
                return efx->type->sriov_set_vf_spoofchk(efx, vf_i, spoofchk);
        else
                return -EOPNOTSUPP;
}

int efx_sriov_get_vf_config(struct net_device *net_dev, int vf_i,
                            struct ifla_vf_info *ivi)
{
        struct efx_nic *efx = efx_netdev_priv(net_dev);

        if (efx->type->sriov_get_vf_config)
                return efx->type->sriov_get_vf_config(efx, vf_i, ivi);
        else
                return -EOPNOTSUPP;
}

int efx_sriov_set_vf_link_state(struct net_device *net_dev, int vf_i,
                                int link_state)
{
        struct efx_nic *efx = efx_netdev_priv(net_dev);

        if (efx->type->sriov_set_vf_link_state)
                return efx->type->sriov_set_vf_link_state(efx, vf_i,
                                                          link_state);
        else
                return -EOPNOTSUPP;
}