include/net/af_rxrpc.h

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