1/* SPDX-License-Identifier: GPL-2.0-only */
2/******************************************************************************
3
4(c) 2008 NetApp. All Rights Reserved.
5
6
7******************************************************************************/
8
9/*
10 * Functions and macros used internally by RPC
11 */
12
13#ifndef _NET_SUNRPC_SUNRPC_H
14#define _NET_SUNRPC_SUNRPC_H
15
16#include <linux/net.h>
17
18/*
19 * Header for dynamically allocated rpc buffers.
20 */
21struct rpc_buffer {
22 size_t len;
23 char data[];
24};
25
26static inline int sock_is_loopback(struct sock *sk)
27{
28 struct dst_entry *dst;
29 int loopback = 0;
30 rcu_read_lock();
31 dst = rcu_dereference(sk->sk_dst_cache);
32 if (dst && dst->dev &&
33 (dst->dev->features & NETIF_F_LOOPBACK))
34 loopback = 1;
35 rcu_read_unlock();
36 return loopback;
37}
38
39struct svc_serv;
40struct svc_rqst;
41int rpc_clients_notifier_register(void);
42void rpc_clients_notifier_unregister(void);
43void auth_domain_cleanup(void);
44void svc_sock_update_bufs(struct svc_serv *serv);
45enum svc_auth_status svc_authenticate(struct svc_rqst *rqstp);
46#endif /* _NET_SUNRPC_SUNRPC_H */
47