2 files changed, 18 insertions, 0 deletions
diff --git a/include/net/bpf_sk_storage.h b/include/net/bpf_sk_storage.h
new file mode 100644
index 000000000000..b9dcb02e756b
--- /dev/null
+++ b/include/net/bpf_sk_storage.h
@@ -0,0 +1,13 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/* Copyright (c) 2019 Facebook */
+#ifndef _BPF_SK_STORAGE_H
+#define _BPF_SK_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;
+
+#endif /* _BPF_SK_STORAGE_H */
diff --git a/include/net/sock.h b/include/net/sock.h
index 784cd19d5ff7..4d208c0f9c14 100644
--- a/include/net/sock.h
+++ b/include/net/sock.h
@@ -236,6 +236,8 @@ struct sock_common {
 	/* public: */
 };
 
+struct bpf_sk_storage;
+
 /**
   *	struct sock - network layer representation of sockets
   *	@__sk_common: shared layout with inet_timewait_sock
@@ -510,6 +512,9 @@ struct sock {
 #endif
 	void                    (*sk_destruct)(struct sock *sk);
 	struct sock_reuseport __rcu	*sk_reuseport_cb;
+#ifdef CONFIG_BPF_SYSCALL
+	struct bpf_sk_storage __rcu	*sk_bpf_storage;
+#endif
 	struct rcu_head		sk_rcu;
 };