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       1                 :            : /******************************************************************************
       2                 :            : 
       3                 :            : (c) 2008 NetApp.  All Rights Reserved.
       4                 :            : 
       5                 :            : NetApp provides this source code under the GPL v2 License.
       6                 :            : The GPL v2 license is available at
       7                 :            : http://opensource.org/licenses/gpl-license.php.
       8                 :            : 
       9                 :            : THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
      10                 :            : "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
      11                 :            : LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
      12                 :            : A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
      13                 :            : CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
      14                 :            : EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
      15                 :            : PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
      16                 :            : PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
      17                 :            : LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
      18                 :            : NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
      19                 :            : SOFTWARE, 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                 :            :  */
      35                 :            : struct rpc_buffer {
      36                 :            :         size_t  len;
      37                 :            :         char    data[];
      38                 :            : };
      39                 :            : 
      40                 :          0 : static inline int sock_is_loopback(struct sock *sk)
      41                 :            : {
      42                 :            :         struct dst_entry *dst;
      43                 :            :         int loopback = 0;
      44                 :            :         rcu_read_lock();
      45                 :          0 :         dst = rcu_dereference(sk->sk_dst_cache);
      46   [ #  #  #  #  :          0 :         if (dst && dst->dev &&
                   #  # ]
      47                 :          0 :             (dst->dev->features & NETIF_F_LOOPBACK))
      48                 :            :                 loopback = 1;
      49                 :            :         rcu_read_unlock();
      50                 :          0 :         return loopback;
      51                 :            : }
      52                 :            : 
      53                 :            : int svc_send_common(struct socket *sock, struct xdr_buf *xdr,
      54                 :            :                     struct page *headpage, unsigned long headoffset,
      55                 :            :                     struct page *tailpage, unsigned long tailoffset);
      56                 :            : 
      57                 :            : int rpc_clients_notifier_register(void);
      58                 :            : void rpc_clients_notifier_unregister(void);
      59                 :            : void auth_domain_cleanup(void);
      60                 :            : #endif /* _NET_SUNRPC_SUNRPC_H */