LXR linux/include/net/af

   1/* RxRPC kernel service interface definitions
   2 *
   3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   4 * Written by David Howells (dhowells@redhat.com)
   5 *
   6 * This program is free software; you can redistribute it and/or
   7 * modify it under the terms of the GNU General Public License
   8 * as published by the Free Software Foundation; either version
   9 * 2 of the License, or (at your option) any later version.
  10 */
  11
  12#ifndef _NET_RXRPC_H
  13#define _NET_RXRPC_H
  14
  15#ifdef __KERNEL__
  16
  17#include <linux/rxrpc.h>
  18
  19struct rxrpc_call;
  20
  21/*
  22 * the mark applied to socket buffers that may be intercepted
  23 */
  24enum {
  25        RXRPC_SKB_MARK_DATA,            /* data message */
  26        RXRPC_SKB_MARK_FINAL_ACK,       /* final ACK received message */
  27        RXRPC_SKB_MARK_BUSY,            /* server busy message */
  28        RXRPC_SKB_MARK_REMOTE_ABORT,    /* remote abort message */
  29        RXRPC_SKB_MARK_NET_ERROR,       /* network error message */
  30        RXRPC_SKB_MARK_LOCAL_ERROR,     /* local error message */
  31        RXRPC_SKB_MARK_NEW_CALL,        /* local error message */
  32};
  33
  34typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,
  35                                    struct sk_buff *);
  36extern void rxrpc_kernel_intercept_rx_messages(struct socket *,
  37                                               rxrpc_interceptor_t);
  38extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
  39                                                  struct sockaddr_rxrpc *,
  40                                                  struct key *,
  41                                                  unsigned long,
  42                                                  gfp_t);
  43extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *,
  44                                  size_t);
  45extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
  46extern void rxrpc_kernel_end_call(struct rxrpc_call *);
  47extern bool rxrpc_kernel_is_data_last(struct sk_buff *);
  48extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
  49extern int rxrpc_kernel_get_error_number(struct sk_buff *);
  50extern void rxrpc_kernel_data_delivered(struct sk_buff *);
  51extern void rxrpc_kernel_free_skb(struct sk_buff *);
  52extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *,
  53                                                   unsigned long);
  54extern int rxrpc_kernel_reject_call(struct socket *);
  55
  56#endif /* __KERNEL__ */
  57#endif /* _NET_RXRPC_H */
  58