/* RxRPC kernel service interface definitions

   *

   * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.

   * Written by David Howells (dhowells@redhat.com)
   *
   * This program is free software; you can redistribute it and/or
   * modify it under the terms of the GNU General Public License
   * as published by the Free Software Foundation; either version
   * 2 of the License, or (at your option) any later version.
   */
  
  #ifndef _NET_RXRPC_H
  #define _NET_RXRPC_H
  
  #include <linux/rxrpc.h>

  struct rxrpc_call;
  
  /*
   * the mark applied to socket buffers that may be intercepted
   */
  enum {
  	RXRPC_SKB_MARK_DATA,		/* data message */
  	RXRPC_SKB_MARK_FINAL_ACK,	/* final ACK received message */
  	RXRPC_SKB_MARK_BUSY,		/* server busy message */
  	RXRPC_SKB_MARK_REMOTE_ABORT,	/* remote abort message */
  	RXRPC_SKB_MARK_NET_ERROR,	/* network error message */
  	RXRPC_SKB_MARK_LOCAL_ERROR,	/* local error message */
  	RXRPC_SKB_MARK_NEW_CALL,	/* local error message */
  };
  
  typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,
  				    struct sk_buff *);
  extern void rxrpc_kernel_intercept_rx_messages(struct socket *,
  					       rxrpc_interceptor_t);
  extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
  						  struct sockaddr_rxrpc *,
  						  struct key *,
  						  unsigned long,
  						  gfp_t);
  extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *,
  				  size_t);
  extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
  extern void rxrpc_kernel_end_call(struct rxrpc_call *);
  extern bool rxrpc_kernel_is_data_last(struct sk_buff *);
  extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
  extern int rxrpc_kernel_get_error_number(struct sk_buff *);
  extern void rxrpc_kernel_data_delivered(struct sk_buff *);
  extern void rxrpc_kernel_free_skb(struct sk_buff *);
  extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *,
  						   unsigned long);
  extern int rxrpc_kernel_reject_call(struct socket *);

  #endif /* _NET_RXRPC_H */