swh:1:snp:c3bf2749e3476071fa748f67b0ffa2fdc5fe49d9
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Tip revision: 7d2a07b769330c34b4deabeed939325c77a7ec2f authored by Linus Torvalds on 29 August 2021, 22:04:50 UTC
Linux 5.14
Tip revision: 7d2a07b
bpfilter.h
/* SPDX-License-Identifier: GPL-2.0 */
#ifndef _LINUX_BPFILTER_H
#define _LINUX_BPFILTER_H

#include <uapi/linux/bpfilter.h>
#include <linux/usermode_driver.h>
#include <linux/sockptr.h>

struct sock;
int bpfilter_ip_set_sockopt(struct sock *sk, int optname, sockptr_t optval,
			    unsigned int optlen);
int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
			    int __user *optlen);
void bpfilter_umh_cleanup(struct umd_info *info);

struct bpfilter_umh_ops {
	struct umd_info info;
	/* since ip_getsockopt() can run in parallel, serialize access to umh */
	struct mutex lock;
	int (*sockopt)(struct sock *sk, int optname, sockptr_t optval,
		       unsigned int optlen, bool is_set);
	int (*start)(void);
};
extern struct bpfilter_umh_ops bpfilter_ops;
#endif
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