12d283bddSGavin Shan #ifndef __NET_NCSI_H 22d283bddSGavin Shan #define __NET_NCSI_H 32d283bddSGavin Shan 42d283bddSGavin Shan /* 52d283bddSGavin Shan * The NCSI device states seen from external. More NCSI device states are 62d283bddSGavin Shan * only visible internally (in net/ncsi/internal.h). When the NCSI device 72d283bddSGavin Shan * is registered, it's in ncsi_dev_state_registered state. The state 82d283bddSGavin Shan * ncsi_dev_state_start is used to drive to choose active package and 92d283bddSGavin Shan * channel. After that, its state is changed to ncsi_dev_state_functional. 102d283bddSGavin Shan * 112d283bddSGavin Shan * The state ncsi_dev_state_stop helps to shut down the currently active 122d283bddSGavin Shan * package and channel while ncsi_dev_state_config helps to reconfigure 132d283bddSGavin Shan * them. 142d283bddSGavin Shan */ 152d283bddSGavin Shan enum { 162d283bddSGavin Shan ncsi_dev_state_registered = 0x0000, 172d283bddSGavin Shan ncsi_dev_state_functional = 0x0100, 182d283bddSGavin Shan ncsi_dev_state_probe = 0x0200, 192d283bddSGavin Shan ncsi_dev_state_config = 0x0300, 202d283bddSGavin Shan ncsi_dev_state_suspend = 0x0400, 212d283bddSGavin Shan }; 222d283bddSGavin Shan 232d283bddSGavin Shan struct ncsi_dev { 242d283bddSGavin Shan int state; 252d283bddSGavin Shan int link_up; 262d283bddSGavin Shan struct net_device *dev; 272d283bddSGavin Shan void (*handler)(struct ncsi_dev *ndev); 282d283bddSGavin Shan }; 292d283bddSGavin Shan 302d283bddSGavin Shan #ifdef CONFIG_NET_NCSI 312d283bddSGavin Shan struct ncsi_dev *ncsi_register_dev(struct net_device *dev, 322d283bddSGavin Shan void (*notifier)(struct ncsi_dev *nd)); 33e6f44ed6SGavin Shan int ncsi_start_dev(struct ncsi_dev *nd); 34*c0cd1ba4SGavin Shan void ncsi_stop_dev(struct ncsi_dev *nd); 352d283bddSGavin Shan void ncsi_unregister_dev(struct ncsi_dev *nd); 362d283bddSGavin Shan #else /* !CONFIG_NET_NCSI */ 372d283bddSGavin Shan static inline struct ncsi_dev *ncsi_register_dev(struct net_device *dev, 382d283bddSGavin Shan void (*notifier)(struct ncsi_dev *nd)) 392d283bddSGavin Shan { 402d283bddSGavin Shan return NULL; 412d283bddSGavin Shan } 422d283bddSGavin Shan 43e6f44ed6SGavin Shan static inline int ncsi_start_dev(struct ncsi_dev *nd) 44e6f44ed6SGavin Shan { 45e6f44ed6SGavin Shan return -ENOTTY; 46e6f44ed6SGavin Shan } 47e6f44ed6SGavin Shan 48*c0cd1ba4SGavin Shan static void ncsi_stop_dev(struct ncsi_dev *nd) 49*c0cd1ba4SGavin Shan { 50*c0cd1ba4SGavin Shan } 51*c0cd1ba4SGavin Shan 522d283bddSGavin Shan static inline void ncsi_unregister_dev(struct ncsi_dev *nd) 532d283bddSGavin Shan { 542d283bddSGavin Shan } 552d283bddSGavin Shan #endif /* CONFIG_NET_NCSI */ 562d283bddSGavin Shan 572d283bddSGavin Shan #endif /* __NET_NCSI_H */ 58