1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef __NET_NCSI_H 2 #ifndef __NET_NCSI_H
3 #define __NET_NCSI_H 3 #define __NET_NCSI_H
4 4
5 #include <linux/types.h> <<
6 <<
7 /* 5 /*
8 * The NCSI device states seen from external. 6 * The NCSI device states seen from external. More NCSI device states are
9 * only visible internally (in net/ncsi/intern 7 * only visible internally (in net/ncsi/internal.h). When the NCSI device
10 * is registered, it's in ncsi_dev_state_regis 8 * is registered, it's in ncsi_dev_state_registered state. The state
11 * ncsi_dev_state_start is used to drive to ch 9 * ncsi_dev_state_start is used to drive to choose active package and
12 * channel. After that, its state is changed t 10 * channel. After that, its state is changed to ncsi_dev_state_functional.
13 * 11 *
14 * The state ncsi_dev_state_stop helps to shut 12 * The state ncsi_dev_state_stop helps to shut down the currently active
15 * package and channel while ncsi_dev_state_co 13 * package and channel while ncsi_dev_state_config helps to reconfigure
16 * them. 14 * them.
17 */ 15 */
18 enum { 16 enum {
19 ncsi_dev_state_registered = 0x00 17 ncsi_dev_state_registered = 0x0000,
20 ncsi_dev_state_functional = 0x01 18 ncsi_dev_state_functional = 0x0100,
21 ncsi_dev_state_probe = 0x02 19 ncsi_dev_state_probe = 0x0200,
22 ncsi_dev_state_config = 0x03 20 ncsi_dev_state_config = 0x0300,
23 ncsi_dev_state_suspend = 0x04 21 ncsi_dev_state_suspend = 0x0400,
24 }; 22 };
25 23
26 struct ncsi_dev { 24 struct ncsi_dev {
27 int state; 25 int state;
28 int link_up; 26 int link_up;
29 struct net_device *dev; 27 struct net_device *dev;
30 void (*handler)(struct nc 28 void (*handler)(struct ncsi_dev *ndev);
31 }; 29 };
32 30
33 #ifdef CONFIG_NET_NCSI 31 #ifdef CONFIG_NET_NCSI
34 int ncsi_vlan_rx_add_vid(struct net_device *de 32 int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid);
35 int ncsi_vlan_rx_kill_vid(struct net_device *d 33 int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid);
36 struct ncsi_dev *ncsi_register_dev(struct net_ 34 struct ncsi_dev *ncsi_register_dev(struct net_device *dev,
37 void (*noti 35 void (*notifier)(struct ncsi_dev *nd));
38 int ncsi_start_dev(struct ncsi_dev *nd); 36 int ncsi_start_dev(struct ncsi_dev *nd);
39 void ncsi_stop_dev(struct ncsi_dev *nd); 37 void ncsi_stop_dev(struct ncsi_dev *nd);
40 void ncsi_unregister_dev(struct ncsi_dev *nd); 38 void ncsi_unregister_dev(struct ncsi_dev *nd);
41 #else /* !CONFIG_NET_NCSI */ 39 #else /* !CONFIG_NET_NCSI */
42 static inline int ncsi_vlan_rx_add_vid(struct 40 static inline int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid)
43 { 41 {
44 return -EINVAL; 42 return -EINVAL;
45 } 43 }
46 44
47 static inline int ncsi_vlan_rx_kill_vid(struct 45 static inline int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid)
48 { 46 {
49 return -EINVAL; 47 return -EINVAL;
50 } 48 }
51 49
52 static inline struct ncsi_dev *ncsi_register_d 50 static inline struct ncsi_dev *ncsi_register_dev(struct net_device *dev,
53 void ( 51 void (*notifier)(struct ncsi_dev *nd))
54 { 52 {
55 return NULL; 53 return NULL;
56 } 54 }
57 55
58 static inline int ncsi_start_dev(struct ncsi_d 56 static inline int ncsi_start_dev(struct ncsi_dev *nd)
59 { 57 {
60 return -ENOTTY; 58 return -ENOTTY;
61 } 59 }
62 60
63 static void ncsi_stop_dev(struct ncsi_dev *nd) 61 static void ncsi_stop_dev(struct ncsi_dev *nd)
64 { 62 {
65 } 63 }
66 64
67 static inline void ncsi_unregister_dev(struct 65 static inline void ncsi_unregister_dev(struct ncsi_dev *nd)
68 { 66 {
69 } 67 }
70 #endif /* CONFIG_NET_NCSI */ 68 #endif /* CONFIG_NET_NCSI */
71 69
72 #endif /* __NET_NCSI_H */ 70 #endif /* __NET_NCSI_H */
73 71
Linux® is a registered trademark of Linus Torvalds in the United States and other countries.
TOMOYO® is a registered trademark of NTT DATA CORPORATION.