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-rw-r--r--net/sunrpc/sunrpc.h42
1 files changed, 42 insertions, 0 deletions
diff --git a/net/sunrpc/sunrpc.h b/net/sunrpc/sunrpc.h
new file mode 100644
index 000000000..d4a362c9e
--- /dev/null
+++ b/net/sunrpc/sunrpc.h
@@ -0,0 +1,42 @@
+/* SPDX-License-Identifier: GPL-2.0-only */
+/******************************************************************************
+
+(c) 2008 NetApp. All Rights Reserved.
+
+
+******************************************************************************/
+
+/*
+ * Functions and macros used internally by RPC
+ */
+
+#ifndef _NET_SUNRPC_SUNRPC_H
+#define _NET_SUNRPC_SUNRPC_H
+
+#include <linux/net.h>
+
+/*
+ * Header for dynamically allocated rpc buffers.
+ */
+struct rpc_buffer {
+ size_t len;
+ char data[];
+};
+
+static inline int sock_is_loopback(struct sock *sk)
+{
+ struct dst_entry *dst;
+ int loopback = 0;
+ rcu_read_lock();
+ dst = rcu_dereference(sk->sk_dst_cache);
+ if (dst && dst->dev &&
+ (dst->dev->features & NETIF_F_LOOPBACK))
+ loopback = 1;
+ rcu_read_unlock();
+ return loopback;
+}
+
+int rpc_clients_notifier_register(void);
+void rpc_clients_notifier_unregister(void);
+void auth_domain_cleanup(void);
+#endif /* _NET_SUNRPC_SUNRPC_H */