linux/include/net/af_rxrpc.h
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   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#include <linux/rxrpc.h>
  16
  17struct rxrpc_call;
  18
  19/*
  20 * the mark applied to socket buffers that may be intercepted
  21 */
  22enum {
  23        RXRPC_SKB_MARK_DATA,            /* data message */
  24        RXRPC_SKB_MARK_FINAL_ACK,       /* final ACK received message */
  25        RXRPC_SKB_MARK_BUSY,            /* server busy message */
  26        RXRPC_SKB_MARK_REMOTE_ABORT,    /* remote abort message */
  27        RXRPC_SKB_MARK_NET_ERROR,       /* network error message */
  28        RXRPC_SKB_MARK_LOCAL_ERROR,     /* local error message */
  29        RXRPC_SKB_MARK_NEW_CALL,        /* local error message */
  30};
  31
  32typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,
  33                                    struct sk_buff *);
  34extern void rxrpc_kernel_intercept_rx_messages(struct socket *,
  35                                               rxrpc_interceptor_t);
  36extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
  37                                                  struct sockaddr_rxrpc *,
  38                                                  struct key *,
  39                                                  unsigned long,
  40                                                  gfp_t);
  41extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *,
  42                                  size_t);
  43extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
  44extern void rxrpc_kernel_end_call(struct rxrpc_call *);
  45extern bool rxrpc_kernel_is_data_last(struct sk_buff *);
  46extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
  47extern int rxrpc_kernel_get_error_number(struct sk_buff *);
  48extern void rxrpc_kernel_data_delivered(struct sk_buff *);
  49extern void rxrpc_kernel_free_skb(struct sk_buff *);
  50extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *,
  51                                                   unsigned long);
  52extern int rxrpc_kernel_reject_call(struct socket *);
  53
  54#endif /* _NET_RXRPC_H */
  55
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