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-rw-r--r--include/linux/filter.h6
1 files changed, 6 insertions, 0 deletions
diff --git a/include/linux/filter.h b/include/linux/filter.h
index fa11b3a367be..91996247cb55 100644
--- a/include/linux/filter.h
+++ b/include/linux/filter.h
@@ -384,7 +384,13 @@ int sk_attach_filter(struct sock_fprog *fprog, struct sock *sk);
int sk_attach_bpf(u32 ufd, struct sock *sk);
int sk_detach_filter(struct sock *sk);
+typedef int (*bpf_aux_classic_check_t)(struct sock_filter *filter,
+ unsigned int flen);
+
int bpf_check_classic(const struct sock_filter *filter, unsigned int flen);
+struct bpf_prog *bpf_prepare_filter(struct bpf_prog *fp,
+ bpf_aux_classic_check_t trans);
+
int sk_get_filter(struct sock *sk, struct sock_filter __user *filter,
unsigned int len);