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b2441318 | 1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2d283bdd GS |
2 | #ifndef __NET_NCSI_H |
3 | #define __NET_NCSI_H | |
4 | ||
5 | /* | |
6 | * The NCSI device states seen from external. More NCSI device states are | |
7 | * only visible internally (in net/ncsi/internal.h). When the NCSI device | |
8 | * is registered, it's in ncsi_dev_state_registered state. The state | |
9 | * ncsi_dev_state_start is used to drive to choose active package and | |
10 | * channel. After that, its state is changed to ncsi_dev_state_functional. | |
11 | * | |
12 | * The state ncsi_dev_state_stop helps to shut down the currently active | |
13 | * package and channel while ncsi_dev_state_config helps to reconfigure | |
14 | * them. | |
15 | */ | |
16 | enum { | |
17 | ncsi_dev_state_registered = 0x0000, | |
18 | ncsi_dev_state_functional = 0x0100, | |
19 | ncsi_dev_state_probe = 0x0200, | |
20 | ncsi_dev_state_config = 0x0300, | |
21 | ncsi_dev_state_suspend = 0x0400, | |
22 | }; | |
23 | ||
24 | struct ncsi_dev { | |
25 | int state; | |
26 | int link_up; | |
27 | struct net_device *dev; | |
28 | void (*handler)(struct ncsi_dev *ndev); | |
29 | }; | |
30 | ||
31 | #ifdef CONFIG_NET_NCSI | |
21acf630 SMJ |
32 | int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid); |
33 | int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid); | |
2d283bdd GS |
34 | struct ncsi_dev *ncsi_register_dev(struct net_device *dev, |
35 | void (*notifier)(struct ncsi_dev *nd)); | |
e6f44ed6 | 36 | int ncsi_start_dev(struct ncsi_dev *nd); |
c0cd1ba4 | 37 | void ncsi_stop_dev(struct ncsi_dev *nd); |
2d283bdd GS |
38 | void ncsi_unregister_dev(struct ncsi_dev *nd); |
39 | #else /* !CONFIG_NET_NCSI */ | |
fd0c88b7 AB |
40 | static inline int ncsi_vlan_rx_add_vid(struct net_device *dev, __be16 proto, u16 vid) |
41 | { | |
42 | return -EINVAL; | |
43 | } | |
44 | ||
45 | static inline int ncsi_vlan_rx_kill_vid(struct net_device *dev, __be16 proto, u16 vid) | |
46 | { | |
47 | return -EINVAL; | |
48 | } | |
49 | ||
2d283bdd GS |
50 | static inline struct ncsi_dev *ncsi_register_dev(struct net_device *dev, |
51 | void (*notifier)(struct ncsi_dev *nd)) | |
52 | { | |
53 | return NULL; | |
54 | } | |
55 | ||
e6f44ed6 GS |
56 | static inline int ncsi_start_dev(struct ncsi_dev *nd) |
57 | { | |
58 | return -ENOTTY; | |
59 | } | |
60 | ||
c0cd1ba4 GS |
61 | static void ncsi_stop_dev(struct ncsi_dev *nd) |
62 | { | |
63 | } | |
64 | ||
2d283bdd GS |
65 | static inline void ncsi_unregister_dev(struct ncsi_dev *nd) |
66 | { | |
67 | } | |
68 | #endif /* CONFIG_NET_NCSI */ | |
69 | ||
70 | #endif /* __NET_NCSI_H */ |