/* SPDX-License-Identifier: GPL-2.0 */
#ifndef __NET_NCSI_H
#define __NET_NCSI_H
#include <linux/types.h>
/*
* The NCSI device states seen from external . More NCSI device states are
* only visible internally ( in net / ncsi / internal . h ) . When the NCSI device
* is registered , it ' s in ncsi_dev_state_registered state . The state
* ncsi_dev_state_start is used to drive to choose active package and
* channel . After that , its state is changed to ncsi_dev_state_functional .
*
* The state ncsi_dev_state_stop helps to shut down the currently active
* package and channel while ncsi_dev_state_config helps to reconfigure
* them .
*/
enum {
ncsi_dev_state_registered = 0 x0000,
ncsi_dev_state_functional = 0 x0100,
ncsi_dev_state_probe = 0 x0200,
ncsi_dev_state_config = 0 x0300,
ncsi_dev_state_suspend = 0 x0400,
};
struct ncsi_dev {
int state;
int link_up;
struct net_device *dev;
void (*handler)(struct ncsi_dev *ndev);
};
#ifdef CONFIG_NET_NCSI
int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid);
int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid);
struct ncsi_dev *ncsi_register_dev(struct net_device *dev,
void (*notifier)(struct ncsi_dev *nd));
int ncsi_start_dev(struct ncsi_dev *nd);
void ncsi_stop_dev(struct ncsi_dev *nd);
void ncsi_unregister_dev(struct ncsi_dev *nd);
#else /* !CONFIG_NET_NCSI */
static inline int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
{
return -EINVAL;
}
static inline int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
{
return -EINVAL;
}
static inline struct ncsi_dev *ncsi_register_dev(struct net_device *dev,
void (*notifier)(struct ncsi_dev *nd))
{
return NULL;
}
static inline int ncsi_start_dev(struct ncsi_dev *nd)
{
return -ENOTTY;
}
static void ncsi_stop_dev(struct ncsi_dev *nd)
{
}
static inline void ncsi_unregister_dev(struct ncsi_dev *nd)
{
}
#endif /* CONFIG_NET_NCSI */
#endif /* __NET_NCSI_H */
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