[mirror_ubuntu-zesty-kernel.git] / include / net / ncsi.h

#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
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 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 */
Commit	Line	Data
2d283bdd GS	1	#ifndef __NET_NCSI_H
	2	#define __NET_NCSI_H
	3
	4	/*
	5	* The NCSI device states seen from external. More NCSI device states are
	6	* only visible internally (in net/ncsi/internal.h). When the NCSI device
	7	* is registered, it's in ncsi_dev_state_registered state. The state
	8	* ncsi_dev_state_start is used to drive to choose active package and
	9	* channel. After that, its state is changed to ncsi_dev_state_functional.
	10	*
	11	* The state ncsi_dev_state_stop helps to shut down the currently active
	12	* package and channel while ncsi_dev_state_config helps to reconfigure
	13	* them.
	14	*/
	15	enum {
	16	ncsi_dev_state_registered = 0x0000,
	17	ncsi_dev_state_functional = 0x0100,
	18	ncsi_dev_state_probe = 0x0200,
	19	ncsi_dev_state_config = 0x0300,
	20	ncsi_dev_state_suspend = 0x0400,
	21	};
	22
	23	struct ncsi_dev {
	24	int state;
	25	int link_up;
	26	struct net_device *dev;
	27	void (handler)(struct ncsi_dev ndev);
	28	};
	29
	30	#ifdef CONFIG_NET_NCSI
	31	struct ncsi_dev ncsi_register_dev(struct net_device dev,
	32	void (notifier)(struct ncsi_dev nd));
e6f44ed6	33	int ncsi_start_dev(struct ncsi_dev *nd);
c0cd1ba4	34	void ncsi_stop_dev(struct ncsi_dev *nd);
2d283bdd GS	35	void ncsi_unregister_dev(struct ncsi_dev *nd);
	36	#else /* !CONFIG_NET_NCSI */
	37	static inline struct ncsi_dev ncsi_register_dev(struct net_device dev,
	38	void (notifier)(struct ncsi_dev nd))
	39	{
	40	return NULL;
	41	}
	42
e6f44ed6 GS	43	static inline int ncsi_start_dev(struct ncsi_dev *nd)
	44	{
	45	return -ENOTTY;
	46	}
	47
c0cd1ba4 GS	48	static void ncsi_stop_dev(struct ncsi_dev *nd)
	49	{
	50	}
	51
2d283bdd GS	52	static inline void ncsi_unregister_dev(struct ncsi_dev *nd)
	53	{
	54	}
	55	#endif /* CONFIG_NET_NCSI */
	56
	57	#endif /* __NET_NCSI_H */