69 lines
1.5 KiB
C
69 lines
1.5 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
|
|
#ifndef _BPF_NETNS_H
|
|
#define _BPF_NETNS_H
|
|
|
|
#include <linux/mutex.h>
|
|
#include <uapi/linux/bpf.h>
|
|
|
|
enum netns_bpf_attach_type {
|
|
NETNS_BPF_INVALID = -1,
|
|
NETNS_BPF_FLOW_DISSECTOR = 0,
|
|
NETNS_BPF_SK_LOOKUP,
|
|
MAX_NETNS_BPF_ATTACH_TYPE
|
|
};
|
|
|
|
static inline enum netns_bpf_attach_type
|
|
to_netns_bpf_attach_type(enum bpf_attach_type attach_type)
|
|
{
|
|
switch (attach_type) {
|
|
case BPF_FLOW_DISSECTOR:
|
|
return NETNS_BPF_FLOW_DISSECTOR;
|
|
case BPF_SK_LOOKUP:
|
|
return NETNS_BPF_SK_LOOKUP;
|
|
default:
|
|
return NETNS_BPF_INVALID;
|
|
}
|
|
}
|
|
|
|
/* Protects updates to netns_bpf */
|
|
extern struct mutex netns_bpf_mutex;
|
|
|
|
union bpf_attr;
|
|
struct bpf_prog;
|
|
|
|
#ifdef CONFIG_NET
|
|
int netns_bpf_prog_query(const union bpf_attr *attr,
|
|
union bpf_attr __user *uattr);
|
|
int netns_bpf_prog_attach(const union bpf_attr *attr,
|
|
struct bpf_prog *prog);
|
|
int netns_bpf_prog_detach(const union bpf_attr *attr, enum bpf_prog_type ptype);
|
|
int netns_bpf_link_create(const union bpf_attr *attr,
|
|
struct bpf_prog *prog);
|
|
#else
|
|
static inline int netns_bpf_prog_query(const union bpf_attr *attr,
|
|
union bpf_attr __user *uattr)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int netns_bpf_prog_attach(const union bpf_attr *attr,
|
|
struct bpf_prog *prog)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int netns_bpf_prog_detach(const union bpf_attr *attr,
|
|
enum bpf_prog_type ptype)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
|
|
static inline int netns_bpf_link_create(const union bpf_attr *attr,
|
|
struct bpf_prog *prog)
|
|
{
|
|
return -EOPNOTSUPP;
|
|
}
|
|
#endif
|
|
|
|
#endif /* _BPF_NETNS_H */
|