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