1/* SPDX-License-Identifier: GPL-2.0 */
 2#ifndef _LINUX_BPFILTER_H
 3#define _LINUX_BPFILTER_H
 4
 5#include <uapi/linux/bpfilter.h>
 6#include <linux/usermode_driver.h>
 7#include <linux/sockptr.h>
 8
 9struct sock;
10int bpfilter_ip_set_sockopt(struct sock *sk, int optname, sockptr_t optval,
11			    unsigned int optlen);
12int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
13			    int __user *optlen);
14void bpfilter_umh_cleanup(struct umd_info *info);
15
16struct bpfilter_umh_ops {
17	struct umd_info info;
18	/* since ip_getsockopt() can run in parallel, serialize access to umh */
19	struct mutex lock;
20	int (*sockopt)(struct sock *sk, int optname, sockptr_t optval,
21		       unsigned int optlen, bool is_set);
22	int (*start)(void);
23};
24extern struct bpfilter_umh_ops bpfilter_ops;
25#endif