include/linux/sunrpc/xprtsock.h

   1 /*
   2  *  linux/include/linux/sunrpc/xprtsock.h
   3  *
   4  *  Declarations for the RPC transport socket provider.
   5  */
   6
   7 #ifndef _LINUX_SUNRPC_XPRTSOCK_H
   8 #define _LINUX_SUNRPC_XPRTSOCK_H
   9
  10 #ifdef __KERNEL__
  11
  12 int             init_socket_xprt(void);
  13 void            cleanup_socket_xprt(void);
  14
  15 /*
  16  * RPC transport identifiers for UDP, TCP
  17  *
  18  * To preserve compatibility with the historical use of raw IP protocol
  19  * id's for transport selection, these are specified with the previous
  20  * values. No such restriction exists for new transports, except that
  21  * they may not collide with these values (17 and 6, respectively).
  22  */
  23 #define XPRT_TRANSPORT_UDP      IPPROTO_UDP
  24 #define XPRT_TRANSPORT_TCP      IPPROTO_TCP
  25
  26 /*
  27  * RPC slot table sizes for UDP, TCP transports
  28  */
  29 extern unsigned int xprt_udp_slot_table_entries;
  30 extern unsigned int xprt_tcp_slot_table_entries;
  31
  32 /*
  33  * Parameters for choosing a free port
  34  */
  35 extern unsigned int xprt_min_resvport;
  36 extern unsigned int xprt_max_resvport;
  37
  38 #define RPC_MIN_RESVPORT        (1U)
  39 #define RPC_MAX_RESVPORT        (65535U)
  40 #define RPC_DEF_MIN_RESVPORT    (665U)
  41 #define RPC_DEF_MAX_RESVPORT    (1023U)
  42
  43 #endif /* __KERNEL__ */
  44
  45 #endif /* _LINUX_SUNRPC_XPRTSOCK_H */