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
   9 struct sock;
  10 int bpfilter_ip_set_sockopt(struct sock *sk, int optname, sockptr_t optval,
  11                             unsigned int optlen);
  12 int bpfilter_ip_get_sockopt(struct sock *sk, int optname, char __user *optval,
  13                             int __user *optlen);
  14 void bpfilter_umh_cleanup(struct umd_info *info);
  15
  16 struct 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 };
  24 extern struct bpfilter_umh_ops bpfilter_ops;
  25 #endif