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-rw-r--r--include/net/bpf_sk_storage.h10
-rw-r--r--include/uapi/linux/bpf.h3
2 files changed, 13 insertions, 0 deletions
diff --git a/include/net/bpf_sk_storage.h b/include/net/bpf_sk_storage.h
index b9dcb02e756b..8e4f831d2e52 100644
--- a/include/net/bpf_sk_storage.h
+++ b/include/net/bpf_sk_storage.h
@@ -10,4 +10,14 @@ void bpf_sk_storage_free(struct sock *sk);
extern const struct bpf_func_proto bpf_sk_storage_get_proto;
extern const struct bpf_func_proto bpf_sk_storage_delete_proto;
+#ifdef CONFIG_BPF_SYSCALL
+int bpf_sk_storage_clone(const struct sock *sk, struct sock *newsk);
+#else
+static inline int bpf_sk_storage_clone(const struct sock *sk,
+ struct sock *newsk)
+{
+ return 0;
+}
+#endif
+
#endif /* _BPF_SK_STORAGE_H */
diff --git a/include/uapi/linux/bpf.h b/include/uapi/linux/bpf.h
index 4393bd4b2419..0ef594ac3899 100644
--- a/include/uapi/linux/bpf.h
+++ b/include/uapi/linux/bpf.h
@@ -337,6 +337,9 @@ enum bpf_attach_type {
#define BPF_F_RDONLY_PROG (1U << 7)
#define BPF_F_WRONLY_PROG (1U << 8)
+/* Clone map from listener for newly accepted socket */
+#define BPF_F_CLONE (1U << 9)
+
/* flags for BPF_PROG_QUERY */
#define BPF_F_QUERY_EFFECTIVE (1U << 0)