| /* SPDX-License-Identifier: GPL-2.0 */ | 
 | #ifndef __NET_NCSI_H | 
 | #define __NET_NCSI_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	= 0x0000, | 
 | 	ncsi_dev_state_functional	= 0x0100, | 
 | 	ncsi_dev_state_probe		= 0x0200, | 
 | 	ncsi_dev_state_config		= 0x0300, | 
 | 	ncsi_dev_state_suspend		= 0x0400, | 
 | }; | 
 |  | 
 | 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 */ |