include/net/netkit.h

   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
  15 static inline int netkit_prog_attach(const union bpf_attr *attr,
  16                                      struct bpf_prog *prog)
  17 {
  18         return -EINVAL;
  19 }
  20
  21 static inline int netkit_link_attach(const union bpf_attr *attr,
  22                                      struct bpf_prog *prog)
  23 {
  24         return -EINVAL;
  25 }
  26
  27 static inline int netkit_prog_detach(const union bpf_attr *attr,
  28                                      struct bpf_prog *prog)
  29 {
  30         return -EINVAL;
  31 }
  32
  33 static inline int netkit_prog_query(const union bpf_attr *attr,
  34                                     union bpf_attr __user *uattr)
  35 {
  36         return -EINVAL;
  37 }
  38
  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 */