X-Git-Url: http://pilppa.org/gitweb/gitweb.cgi?a=blobdiff_plain;f=include%2Flinux%2Ffilter.h;h=ddfa0372a3b723d978823bea9a3d4e267abf0506;hb=5531d28504461c4e96c6fbd80655a2bfd6481583;hp=c6cb8f095088aada43f585eb51fc7c8fc4573cc7;hpb=b8c475be7bf9b79e6417c08d7a921b2e8cb04258;p=linux-2.6-omap-h63xx.git diff --git a/include/linux/filter.h b/include/linux/filter.h index c6cb8f09508..ddfa0372a3b 100644 --- a/include/linux/filter.h +++ b/include/linux/filter.h @@ -25,10 +25,10 @@ struct sock_filter /* Filter block */ { - __u16 code; /* Actual filter code */ - __u8 jt; /* Jump true */ - __u8 jf; /* Jump false */ - __u32 k; /* Generic multiuse field */ + __u16 code; /* Actual filter code */ + __u8 jt; /* Jump true */ + __u8 jf; /* Jump false */ + __u32 k; /* Generic multiuse field */ }; struct sock_fprog /* Required for SO_ATTACH_FILTER. */ @@ -41,8 +41,9 @@ struct sock_fprog /* Required for SO_ATTACH_FILTER. */ struct sk_filter { atomic_t refcnt; - unsigned int len; /* Number of filter blocks */ - struct sock_filter insns[0]; + unsigned int len; /* Number of filter blocks */ + struct rcu_head rcu; + struct sock_filter insns[0]; }; static inline unsigned int sk_filter_len(struct sk_filter *fp) @@ -145,6 +146,7 @@ struct sock; extern unsigned int sk_run_filter(struct sk_buff *skb, struct sock_filter *filter, int flen); 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, int flen); #endif /* __KERNEL__ */