From 302d663740cfaf2c364df6bb61cd339014ed714c Mon Sep 17 00:00:00 2001 From: Jiri Pirko Date: Sat, 31 Mar 2012 11:01:19 +0000 Subject: filter: Allow to create sk-unattached filters Today, BPF filters are bind to sockets. Since BPF machine becomes handy for other purposes, this patch allows to create unattached filter. Signed-off-by: Jiri Pirko Signed-off-by: David S. Miller --- include/linux/filter.h | 3 +++ 1 file changed, 3 insertions(+) (limited to 'include/linux') diff --git a/include/linux/filter.h b/include/linux/filter.h index 8eeb205f298b..92dd9933c43d 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -153,6 +153,9 @@ static inline unsigned int sk_filter_len(const struct sk_filter *fp) extern int sk_filter(struct sock *sk, struct sk_buff *skb); extern unsigned int sk_run_filter(const struct sk_buff *skb, const struct sock_filter *filter); +extern int sk_unattached_filter_create(struct sk_filter **pfp, + struct sock_fprog *fprog); +extern void sk_unattached_filter_destroy(struct sk_filter *fp); extern int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk); extern int sk_detach_filter(struct sock *sk); extern int sk_chk_filter(struct sock_filter *filter, unsigned int flen); -- cgit v1.2.3-71-gd317