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#include <linux/rxrpc.h>
  16#include <linux/ktime.h>
  17
  18struct key;
  19struct sock;
  20struct socket;
  21struct rxrpc_call;
  22
  23/*
  24 * Debug ID counter for tracing.
  25 */
  26extern atomic_t rxrpc_debug_id;
  27
  28typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
  29                                  unsigned long);
  30typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
  31                                      unsigned long);
  32typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
  33                                        unsigned long);
  34typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
  35typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
  36
  37void rxrpc_kernel_new_call_notification(struct socket *,
  38                                        rxrpc_notify_new_call_t,
  39                                        rxrpc_discard_new_call_t);
  40struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
  41                                           struct sockaddr_rxrpc *,
  42                                           struct key *,
  43                                           unsigned long,
  44                                           s64,
  45                                           gfp_t,
  46                                           rxrpc_notify_rx_t,
  47                                           bool,
  48                                           unsigned int);
  49int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
  50                           struct msghdr *, size_t,
  51                           rxrpc_notify_end_tx_t);
  52int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
  53                           struct iov_iter *, bool, u32 *, u16 *);
  54bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
  55                             u32, int, const char *);
  56void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
  57void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
  58                           struct sockaddr_rxrpc *);
  59u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
  60int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
  61                               rxrpc_user_attach_call_t, unsigned long, gfp_t,
  62                               unsigned int);
  63void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
  64bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *,
  65                             u32 *);
  66void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
  67u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
  68bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
  69                                 ktime_t *);
  70bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
  71
  72#endif /* _NET_RXRPC_H */
  73