]>
Commit | Line | Data |
---|---|---|
a3fd7cee JS |
1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _BPF_NETNS_H | |
3 | #define _BPF_NETNS_H | |
4 | ||
5 | #include <linux/mutex.h> | |
6 | #include <uapi/linux/bpf.h> | |
7 | ||
8 | enum netns_bpf_attach_type { | |
9 | NETNS_BPF_INVALID = -1, | |
10 | NETNS_BPF_FLOW_DISSECTOR = 0, | |
e9ddbb77 | 11 | NETNS_BPF_SK_LOOKUP, |
a3fd7cee JS |
12 | MAX_NETNS_BPF_ATTACH_TYPE |
13 | }; | |
14 | ||
15 | static inline enum netns_bpf_attach_type | |
16 | to_netns_bpf_attach_type(enum bpf_attach_type attach_type) | |
17 | { | |
18 | switch (attach_type) { | |
19 | case BPF_FLOW_DISSECTOR: | |
20 | return NETNS_BPF_FLOW_DISSECTOR; | |
e9ddbb77 JS |
21 | case BPF_SK_LOOKUP: |
22 | return NETNS_BPF_SK_LOOKUP; | |
a3fd7cee JS |
23 | default: |
24 | return NETNS_BPF_INVALID; | |
25 | } | |
26 | } | |
27 | ||
28 | /* Protects updates to netns_bpf */ | |
29 | extern struct mutex netns_bpf_mutex; | |
30 | ||
31 | union bpf_attr; | |
32 | struct bpf_prog; | |
33 | ||
34 | #ifdef CONFIG_NET | |
35 | int netns_bpf_prog_query(const union bpf_attr *attr, | |
36 | union bpf_attr __user *uattr); | |
37 | int netns_bpf_prog_attach(const union bpf_attr *attr, | |
38 | struct bpf_prog *prog); | |
4ac2add6 | 39 | int netns_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype); |
7f045a49 JS |
40 | int netns_bpf_link_create(const union bpf_attr *attr, |
41 | struct bpf_prog *prog); | |
a3fd7cee JS |
42 | #else |
43 | static inline int netns_bpf_prog_query(const union bpf_attr *attr, | |
44 | union bpf_attr __user *uattr) | |
45 | { | |
46 | return -EOPNOTSUPP; | |
47 | } | |
48 | ||
49 | static inline int netns_bpf_prog_attach(const union bpf_attr *attr, | |
50 | struct bpf_prog *prog) | |
51 | { | |
52 | return -EOPNOTSUPP; | |
53 | } | |
54 | ||
4ac2add6 LB |
55 | static inline int netns_bpf_prog_detach(const union bpf_attr *attr, |
56 | enum bpf_prog_type ptype) | |
a3fd7cee JS |
57 | { |
58 | return -EOPNOTSUPP; | |
59 | } | |
7f045a49 JS |
60 | |
61 | static inline int netns_bpf_link_create(const union bpf_attr *attr, | |
62 | struct bpf_prog *prog) | |
63 | { | |
64 | return -EOPNOTSUPP; | |
65 | } | |
a3fd7cee JS |
66 | #endif |
67 | ||
68 | #endif /* _BPF_NETNS_H */ |