1b2441318SGreg Kroah-Hartman /* SPDX-License-Identifier: GPL-2.0 */ 22d283bddSGavin Shan #ifndef __NET_NCSI_H 32d283bddSGavin Shan #define __NET_NCSI_H 42d283bddSGavin Shan 5*949d6b40SJakub Kicinski #include <linux/types.h> 6*949d6b40SJakub Kicinski 72d283bddSGavin Shan /* 82d283bddSGavin Shan * The NCSI device states seen from external. More NCSI device states are 92d283bddSGavin Shan * only visible internally (in net/ncsi/internal.h). When the NCSI device 102d283bddSGavin Shan * is registered, it's in ncsi_dev_state_registered state. The state 112d283bddSGavin Shan * ncsi_dev_state_start is used to drive to choose active package and 122d283bddSGavin Shan * channel. After that, its state is changed to ncsi_dev_state_functional. 132d283bddSGavin Shan * 142d283bddSGavin Shan * The state ncsi_dev_state_stop helps to shut down the currently active 152d283bddSGavin Shan * package and channel while ncsi_dev_state_config helps to reconfigure 162d283bddSGavin Shan * them. 172d283bddSGavin Shan */ 182d283bddSGavin Shan enum { 192d283bddSGavin Shan ncsi_dev_state_registered = 0x0000, 202d283bddSGavin Shan ncsi_dev_state_functional = 0x0100, 212d283bddSGavin Shan ncsi_dev_state_probe = 0x0200, 222d283bddSGavin Shan ncsi_dev_state_config = 0x0300, 232d283bddSGavin Shan ncsi_dev_state_suspend = 0x0400, 242d283bddSGavin Shan }; 252d283bddSGavin Shan 262d283bddSGavin Shan struct ncsi_dev { 272d283bddSGavin Shan int state; 282d283bddSGavin Shan int link_up; 292d283bddSGavin Shan struct net_device *dev; 302d283bddSGavin Shan void (*handler)(struct ncsi_dev *ndev); 312d283bddSGavin Shan }; 322d283bddSGavin Shan 332d283bddSGavin Shan #ifdef CONFIG_NET_NCSI 3421acf630SSamuel Mendoza-Jonas int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid); 3521acf630SSamuel Mendoza-Jonas int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid); 362d283bddSGavin Shan struct ncsi_dev *ncsi_register_dev(struct net_device *dev, 372d283bddSGavin Shan void (*notifier)(struct ncsi_dev *nd)); 38e6f44ed6SGavin Shan int ncsi_start_dev(struct ncsi_dev *nd); 39c0cd1ba4SGavin Shan void ncsi_stop_dev(struct ncsi_dev *nd); 402d283bddSGavin Shan void ncsi_unregister_dev(struct ncsi_dev *nd); 412d283bddSGavin Shan #else /* !CONFIG_NET_NCSI */ 42fd0c88b7SArnd Bergmann static inline int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) 43fd0c88b7SArnd Bergmann { 44fd0c88b7SArnd Bergmann return -EINVAL; 45fd0c88b7SArnd Bergmann } 46fd0c88b7SArnd Bergmann 47fd0c88b7SArnd Bergmann static inline int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) 48fd0c88b7SArnd Bergmann { 49fd0c88b7SArnd Bergmann return -EINVAL; 50fd0c88b7SArnd Bergmann } 51fd0c88b7SArnd Bergmann 522d283bddSGavin Shan static inline struct ncsi_dev *ncsi_register_dev(struct net_device *dev, 532d283bddSGavin Shan void (*notifier)(struct ncsi_dev *nd)) 542d283bddSGavin Shan { 552d283bddSGavin Shan return NULL; 562d283bddSGavin Shan } 572d283bddSGavin Shan 58e6f44ed6SGavin Shan static inline int ncsi_start_dev(struct ncsi_dev *nd) 59e6f44ed6SGavin Shan { 60e6f44ed6SGavin Shan return -ENOTTY; 61e6f44ed6SGavin Shan } 62e6f44ed6SGavin Shan 63c0cd1ba4SGavin Shan static void ncsi_stop_dev(struct ncsi_dev *nd) 64c0cd1ba4SGavin Shan { 65c0cd1ba4SGavin Shan } 66c0cd1ba4SGavin Shan 672d283bddSGavin Shan static inline void ncsi_unregister_dev(struct ncsi_dev *nd) 682d283bddSGavin Shan { 692d283bddSGavin Shan } 702d283bddSGavin Shan #endif /* CONFIG_NET_NCSI */ 712d283bddSGavin Shan 722d283bddSGavin Shan #endif /* __NET_NCSI_H */ 73