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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> | |
aebb51ec | 6 | #include <net/netns/bpf.h> |
a3fd7cee JS |
7 | #include <uapi/linux/bpf.h> |
8 | ||
a3fd7cee JS |
9 | static inline enum netns_bpf_attach_type |
10 | to_netns_bpf_attach_type(enum bpf_attach_type attach_type) | |
11 | { | |
12 | switch (attach_type) { | |
13 | case BPF_FLOW_DISSECTOR: | |
14 | return NETNS_BPF_FLOW_DISSECTOR; | |
e9ddbb77 JS |
15 | case BPF_SK_LOOKUP: |
16 | return NETNS_BPF_SK_LOOKUP; | |
a3fd7cee JS |
17 | default: |
18 | return NETNS_BPF_INVALID; | |
19 | } | |
20 | } | |
21 | ||
22 | /* Protects updates to netns_bpf */ | |
23 | extern struct mutex netns_bpf_mutex; | |
24 | ||
25 | union bpf_attr; | |
26 | struct bpf_prog; | |
27 | ||
28 | #ifdef CONFIG_NET | |
29 | int netns_bpf_prog_query(const union bpf_attr *attr, | |
30 | union bpf_attr __user *uattr); | |
31 | int netns_bpf_prog_attach(const union bpf_attr *attr, | |
32 | struct bpf_prog *prog); | |
4ac2add6 | 33 | int netns_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype); |
7f045a49 JS |
34 | int netns_bpf_link_create(const union bpf_attr *attr, |
35 | struct bpf_prog *prog); | |
a3fd7cee JS |
36 | #else |
37 | static inline int netns_bpf_prog_query(const union bpf_attr *attr, | |
38 | union bpf_attr __user *uattr) | |
39 | { | |
40 | return -EOPNOTSUPP; | |
41 | } | |
42 | ||
43 | static inline int netns_bpf_prog_attach(const union bpf_attr *attr, | |
44 | struct bpf_prog *prog) | |
45 | { | |
46 | return -EOPNOTSUPP; | |
47 | } | |
48 | ||
4ac2add6 LB |
49 | static inline int netns_bpf_prog_detach(const union bpf_attr *attr, |
50 | enum bpf_prog_type ptype) | |
a3fd7cee JS |
51 | { |
52 | return -EOPNOTSUPP; | |
53 | } | |
7f045a49 JS |
54 | |
55 | static inline int netns_bpf_link_create(const union bpf_attr *attr, | |
56 | struct bpf_prog *prog) | |
57 | { | |
58 | return -EOPNOTSUPP; | |
59 | } | |
a3fd7cee JS |
60 | #endif |
61 | ||
62 | #endif /* _BPF_NETNS_H */ |