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