1 files changed, 63 insertions, 0 deletions
diff --git a/include/net/bpf_sk_storage.h b/include/net/bpf_sk_storage.h
new file mode 100644
index 000000000..2926f1f00
--- /dev/null
+++ b/include/net/bpf_sk_storage.h
@@ -0,0 +1,63 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 Facebook */
+#ifndef _BPF_SK_STORAGE_H
+#define _BPF_SK_STORAGE_H
+
+#include <linux/rculist.h>
+#include <linux/list.h>
+#include <linux/hash.h>
+#include <linux/types.h>
+#include <linux/spinlock.h>
+#include <linux/bpf.h>
+#include <net/sock.h>
+#include <uapi/linux/sock_diag.h>
+#include <uapi/linux/btf.h>
+#include <linux/bpf_local_storage.h>
+
+struct sock;
+
+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;
+extern const struct bpf_func_proto bpf_sk_storage_get_tracing_proto;
+extern const struct bpf_func_proto bpf_sk_storage_delete_tracing_proto;
+
+struct bpf_local_storage_elem;
+struct bpf_sk_storage_diag;
+struct sk_buff;
+struct nlattr;
+
+#ifdef CONFIG_BPF_SYSCALL
+int bpf_sk_storage_clone(const struct sock *sk, struct sock *newsk);
+struct bpf_sk_storage_diag *
+bpf_sk_storage_diag_alloc(const struct nlattr *nla_stgs);
+void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag);
+int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag,
+			    struct sock *sk, struct sk_buff *skb,
+			    int stg_array_type,
+			    unsigned int *res_diag_size);
+#else
+static inline int bpf_sk_storage_clone(const struct sock *sk,
+				       struct sock *newsk)
+{
+	return 0;
+}
+static inline struct bpf_sk_storage_diag *
+bpf_sk_storage_diag_alloc(const struct nlattr *nla)
+{
+	return NULL;
+}
+static inline void bpf_sk_storage_diag_free(struct bpf_sk_storage_diag *diag)
+{
+}
+static inline int bpf_sk_storage_diag_put(struct bpf_sk_storage_diag *diag,
+					  struct sock *sk, struct sk_buff *skb,
+					  int stg_array_type,
+					  unsigned int *res_diag_size)
+{
+	return 0;
+}
+#endif
+
+#endif /* _BPF_SK_STORAGE_H */