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>
8 7
>> 8 enum netns_bpf_attach_type {
>> 9 NETNS_BPF_INVALID = -1,
>> 10 NETNS_BPF_FLOW_DISSECTOR = 0,
>> 11 MAX_NETNS_BPF_ATTACH_TYPE
>> 12 };
>> 13
9 static inline enum netns_bpf_attach_type 14 static inline enum netns_bpf_attach_type
10 to_netns_bpf_attach_type(enum bpf_attach_type 15 to_netns_bpf_attach_type(enum bpf_attach_type attach_type)
11 { 16 {
12 switch (attach_type) { 17 switch (attach_type) {
13 case BPF_FLOW_DISSECTOR: 18 case BPF_FLOW_DISSECTOR:
14 return NETNS_BPF_FLOW_DISSECTO 19 return NETNS_BPF_FLOW_DISSECTOR;
15 case BPF_SK_LOOKUP: <<
16 return NETNS_BPF_SK_LOOKUP; <<
17 default: 20 default:
18 return NETNS_BPF_INVALID; 21 return NETNS_BPF_INVALID;
19 } 22 }
20 } 23 }
21 24
22 /* Protects updates to netns_bpf */ 25 /* Protects updates to netns_bpf */
23 extern struct mutex netns_bpf_mutex; 26 extern struct mutex netns_bpf_mutex;
24 27
25 union bpf_attr; 28 union bpf_attr;
26 struct bpf_prog; 29 struct bpf_prog;
27 30
28 #ifdef CONFIG_NET 31 #ifdef CONFIG_NET
29 int netns_bpf_prog_query(const union bpf_attr 32 int netns_bpf_prog_query(const union bpf_attr *attr,
30 union bpf_attr __user 33 union bpf_attr __user *uattr);
31 int netns_bpf_prog_attach(const union bpf_attr 34 int netns_bpf_prog_attach(const union bpf_attr *attr,
32 struct bpf_prog *pro 35 struct bpf_prog *prog);
33 int netns_bpf_prog_detach(const union bpf_attr 36 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 37 int netns_bpf_link_create(const union bpf_attr *attr,
35 struct bpf_prog *pro 38 struct bpf_prog *prog);
36 #else 39 #else
37 static inline int netns_bpf_prog_query(const u 40 static inline int netns_bpf_prog_query(const union bpf_attr *attr,
38 union b 41 union bpf_attr __user *uattr)
39 { 42 {
40 return -EOPNOTSUPP; 43 return -EOPNOTSUPP;
41 } 44 }
42 45
43 static inline int netns_bpf_prog_attach(const 46 static inline int netns_bpf_prog_attach(const union bpf_attr *attr,
44 struct 47 struct bpf_prog *prog)
45 { 48 {
46 return -EOPNOTSUPP; 49 return -EOPNOTSUPP;
47 } 50 }
48 51
49 static inline int netns_bpf_prog_detach(const 52 static inline int netns_bpf_prog_detach(const union bpf_attr *attr,
50 enum b 53 enum bpf_prog_type ptype)
51 { 54 {
52 return -EOPNOTSUPP; 55 return -EOPNOTSUPP;
53 } 56 }
54 57
55 static inline int netns_bpf_link_create(const 58 static inline int netns_bpf_link_create(const union bpf_attr *attr,
56 struct 59 struct bpf_prog *prog)
57 { 60 {
58 return -EOPNOTSUPP; 61 return -EOPNOTSUPP;
59 } 62 }
60 #endif 63 #endif
61 64
62 #endif /* _BPF_NETNS_H */ 65 #endif /* _BPF_NETNS_H */
63 66
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