#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 */
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<tr><th>author</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-05-18 17:03:51 -0700</td></tr>
<tr><th>committer</th><td>Linus Torvalds &lt;torvalds@linux-foundation.org&gt;</td><td class='right'>2016-05-18 17:03:51 -0700</td></tr>
<tr><th>commit</th><td colspan='2' class='oid'><a href='/cgit.cgi/linux/net-next.git/commit/Documentation/debugging-via-ohci1394.txt?id=19c5abcb74b712a7824ae7c55862932534e7dfec'>19c5abcb74b712a7824ae7c55862932534e7dfec</a> (<a href='/cgit.cgi/linux/net-next.git/patch/Documentation/debugging-via-ohci1394.txt?id=19c5abcb74b712a7824ae7c55862932534e7dfec'>patch</a>)</td></tr>
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<div class='commit-subject'>Merge tag 'media/v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media</div><div class='commit-msg'>Pull media updates from Mauro Carvalho Chehab:
 - added support for Intersil/Techwell TW686x-based video capture cards
 - v4l PCI skeleton driver moved to samples directory
 - Documentation cleanups and improvements
 - RC: reduced the memory footprint for IR raw events
 - tpg: Export the tpg code from vivid as a module
 - adv7180: Add device tree binding documentation
 - lots of driver improvements and fixes

* tag 'media/v4.7-1' of git://git.kernel.org/pub/scm/linux/kernel/git/mchehab/linux-media: (173 commits)
  [media] exynos-gsc: avoid build warning without CONFIG_OF
  [media] samples: v4l: from Documentation to samples directory
  [media] dib0700: add USB ID for another STK8096-PVR ref design based card
  [media] tvp5150: propagate I2C write error in .s_register callback
  [media] tvp5150: return I2C write operation failure to callers
  [media] em28xx: add support for Hauppauge WinTV-dualHD DVB tuner
  [media] em28xx: add missing USB IDs
  [media] update cx23885 and em28xx cardlists
  [media] media: au0828 fix au0828_v4l2_device_register() to not unlock and free
  [media] c8sectpfe: Rework firmware loading mechanism
  [media] c8sectpfe: Demote print to dev_dbg
  [media] c8sectpfe: Fix broken circular buffer wp management
  [media] media-device: Simplify compat32 logic
  [media] media: i2c: ths7303: remove redundant assignment on bt
  [media] dvb-usb: hide unused functions
  [media] xilinx-vipp: remove unnecessary of_node_put
  [media] drivers/media/media-devnode: clear private_data before put_device()
  [media] drivers/media/media-device: move debug log before _devnode_unregister()
  [media] drivers/media/rc: postpone kfree(rc_dev)
  [media] media/dvb-core: forward media_create_pad_links() return value
  ...
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