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)); 33 int ncsi_start_dev(struct ncsi_dev *nd); 34 void ncsi_stop_dev(struct ncsi_dev *nd); 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 43 static inline int ncsi_start_dev(struct ncsi_dev *nd) 44 { 45 return -ENOTTY; 46 } 47 48 static void ncsi_stop_dev(struct ncsi_dev *nd) 49 { 50 } 51 52 static inline void ncsi_unregister_dev(struct ncsi_dev *nd) 53 { 54 } 55 #endif /* CONFIG_NET_NCSI */ 56 57 #endif /* __NET_NCSI_H */ 58