LXR linux/include/linux/bpfilter.h

   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
  26