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 26