1 /* SPDX-License-Identifier: GPL-2.0 */ 1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _BPF_NETNS_H 2 #ifndef _BPF_NETNS_H
3 #define _BPF_NETNS_H 3 #define _BPF_NETNS_H
4 4
5 #include <linux/mutex.h> 5 #include <linux/mutex.h>
6 #include <net/netns/bpf.h> <<
7 #include <uapi/linux/bpf.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,
>> 11 NETNS_BPF_SK_LOOKUP,
>> 12 MAX_NETNS_BPF_ATTACH_TYPE
>> 13 };
8 14
9 static inline enum netns_bpf_attach_type 15 static inline enum netns_bpf_attach_type
10 to_netns_bpf_attach_type(enum bpf_attach_type 16 to_netns_bpf_attach_type(enum bpf_attach_type attach_type)
11 { 17 {
12 switch (attach_type) { 18 switch (attach_type) {
13 case BPF_FLOW_DISSECTOR: 19 case BPF_FLOW_DISSECTOR:
14 return NETNS_BPF_FLOW_DISSECTO 20 return NETNS_BPF_FLOW_DISSECTOR;
15 case BPF_SK_LOOKUP: 21 case BPF_SK_LOOKUP:
16 return NETNS_BPF_SK_LOOKUP; 22 return NETNS_BPF_SK_LOOKUP;
17 default: 23 default:
18 return NETNS_BPF_INVALID; 24 return NETNS_BPF_INVALID;
19 } 25 }
20 } 26 }
21 27
22 /* Protects updates to netns_bpf */ 28 /* Protects updates to netns_bpf */
23 extern struct mutex netns_bpf_mutex; 29 extern struct mutex netns_bpf_mutex;
24 30
25 union bpf_attr; 31 union bpf_attr;
26 struct bpf_prog; 32 struct bpf_prog;
27 33
28 #ifdef CONFIG_NET 34 #ifdef CONFIG_NET
29 int netns_bpf_prog_query(const union bpf_attr 35 int netns_bpf_prog_query(const union bpf_attr *attr,
30 union bpf_attr __user 36 union bpf_attr __user *uattr);
31 int netns_bpf_prog_attach(const union bpf_attr 37 int netns_bpf_prog_attach(const union bpf_attr *attr,
32 struct bpf_prog *pro 38 struct bpf_prog *prog);
33 int netns_bpf_prog_detach(const union bpf_attr 39 int netns_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype);
34 int netns_bpf_link_create(const union bpf_attr 40 int netns_bpf_link_create(const union bpf_attr *attr,
35 struct bpf_prog *pro 41 struct bpf_prog *prog);
36 #else 42 #else
37 static inline int netns_bpf_prog_query(const u 43 static inline int netns_bpf_prog_query(const union bpf_attr *attr,
38 union b 44 union bpf_attr __user *uattr)
39 { 45 {
40 return -EOPNOTSUPP; 46 return -EOPNOTSUPP;
41 } 47 }
42 48
43 static inline int netns_bpf_prog_attach(const 49 static inline int netns_bpf_prog_attach(const union bpf_attr *attr,
44 struct 50 struct bpf_prog *prog)
45 { 51 {
46 return -EOPNOTSUPP; 52 return -EOPNOTSUPP;
47 } 53 }
48 54
49 static inline int netns_bpf_prog_detach(const 55 static inline int netns_bpf_prog_detach(const union bpf_attr *attr,
50 enum b 56 enum bpf_prog_type ptype)
51 { 57 {
52 return -EOPNOTSUPP; 58 return -EOPNOTSUPP;
53 } 59 }
54 60
55 static inline int netns_bpf_link_create(const 61 static inline int netns_bpf_link_create(const union bpf_attr *attr,
56 struct 62 struct bpf_prog *prog)
57 { 63 {
58 return -EOPNOTSUPP; 64 return -EOPNOTSUPP;
59 } 65 }
60 #endif 66 #endif
61 67
62 #endif /* _BPF_NETNS_H */ 68 #endif /* _BPF_NETNS_H */
63 69
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