xref: /linux/include/net/netkit.h (revision 0ea5c948cb64bab5bc7a5516774eb8536f05aa0d)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /* Copyright (c) 2023 Isovalent */
3 #ifndef __NET_NETKIT_H
4 #define __NET_NETKIT_H
5 
6 #include <linux/bpf.h>
7 
8 #ifdef CONFIG_NETKIT
9 int netkit_prog_attach(const union bpf_attr *attr, struct bpf_prog *prog);
10 int netkit_link_attach(const union bpf_attr *attr, struct bpf_prog *prog);
11 int netkit_prog_detach(const union bpf_attr *attr, struct bpf_prog *prog);
12 int netkit_prog_query(const union bpf_attr *attr, union bpf_attr __user *uattr);
13 INDIRECT_CALLABLE_DECLARE(struct net_device *netkit_peer_dev(struct net_device *dev));
14 #else
netkit_prog_attach(const union bpf_attr * attr,struct bpf_prog * prog)15 static inline int netkit_prog_attach(const union bpf_attr *attr,
16 				     struct bpf_prog *prog)
17 {
18 	return -EINVAL;
19 }
20 
netkit_link_attach(const union bpf_attr * attr,struct bpf_prog * prog)21 static inline int netkit_link_attach(const union bpf_attr *attr,
22 				     struct bpf_prog *prog)
23 {
24 	return -EINVAL;
25 }
26 
netkit_prog_detach(const union bpf_attr * attr,struct bpf_prog * prog)27 static inline int netkit_prog_detach(const union bpf_attr *attr,
28 				     struct bpf_prog *prog)
29 {
30 	return -EINVAL;
31 }
32 
netkit_prog_query(const union bpf_attr * attr,union bpf_attr __user * uattr)33 static inline int netkit_prog_query(const union bpf_attr *attr,
34 				    union bpf_attr __user *uattr)
35 {
36 	return -EINVAL;
37 }
38 
netkit_peer_dev(struct net_device * dev)39 static inline struct net_device *netkit_peer_dev(struct net_device *dev)
40 {
41 	return NULL;
42 }
43 #endif /* CONFIG_NETKIT */
44 #endif /* __NET_NETKIT_H */
45