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