sunrpc.h (1782B)
1/****************************************************************************** 2 3(c) 2008 NetApp. All Rights Reserved. 4 5NetApp provides this source code under the GPL v2 License. 6The GPL v2 license is available at 7https://opensource.org/licenses/gpl-license.php. 8 9THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 10"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 11LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 12A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR 13CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, 14EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, 15PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR 16PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF 17LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING 18NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS 19SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 20 21******************************************************************************/ 22 23/* 24 * Functions and macros used internally by RPC 25 */ 26 27#ifndef _NET_SUNRPC_SUNRPC_H 28#define _NET_SUNRPC_SUNRPC_H 29 30#include <linux/net.h> 31 32/* 33 * Header for dynamically allocated rpc buffers. 34 */ 35struct rpc_buffer { 36 size_t len; 37 char data[]; 38}; 39 40static inline int sock_is_loopback(struct sock *sk) 41{ 42 struct dst_entry *dst; 43 int loopback = 0; 44 rcu_read_lock(); 45 dst = rcu_dereference(sk->sk_dst_cache); 46 if (dst && dst->dev && 47 (dst->dev->features & NETIF_F_LOOPBACK)) 48 loopback = 1; 49 rcu_read_unlock(); 50 return loopback; 51} 52 53int rpc_clients_notifier_register(void); 54void rpc_clients_notifier_unregister(void); 55void auth_domain_cleanup(void); 56#endif /* _NET_SUNRPC_SUNRPC_H */