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