sk_filter         361 include/linux/filter.h int sk_filter(struct sock *sk, struct sk_buff *skb);
sk_filter         390 include/linux/filter.h bool sk_filter_charge(struct sock *sk, struct sk_filter *fp);
sk_filter         391 include/linux/filter.h void sk_filter_uncharge(struct sock *sk, struct sk_filter *fp);
sk_filter         361 include/net/sock.h 	struct sk_filter __rcu	*sk_filter;