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/umh.h>
   7
   8 struct sock;
   9 int bpfilter_ip_set_sockopt(struct sock *sk, int optname, char __user *optval,
  10                             unsigned int optlen);
  11 int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
  12                             int __user *optlen);
  13 struct bpfilter_umh_ops {
  14         struct umh_info info;
  15         /* since ip_getsockopt() can run in parallel, serialize access to umh */
  16         struct mutex lock;
  17         int (*sockopt)(struct sock *sk, int optname,
  18                        char __user *optval,
  19                        unsigned int optlen, bool is_set);
  20         int (*start)(void);
  21         bool stop;
  22 };
  23 extern struct bpfilter_umh_ops bpfilter_ops;
  24 #endif