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 25