LXR linux/include/net/af

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/* RxRPC kernel service interface definitions
   3 *
   4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
   5 * Written by David Howells (dhowells@redhat.com)
   6 */
   7
   8#ifndef _NET_RXRPC_H
   9#define _NET_RXRPC_H
  10
  11#include <linux/rxrpc.h>
  12#include <linux/ktime.h>
  13
  14struct key;
  15struct sock;
  16struct socket;
  17struct rxrpc_call;
  18
  19/*
  20 * Debug ID counter for tracing.
  21 */
  22extern atomic_t rxrpc_debug_id;
  23
  24typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
  25                                  unsigned long);
  26typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
  27                                      unsigned long);
  28typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
  29                                        unsigned long);
  30typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
  31typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
  32
  33void rxrpc_kernel_new_call_notification(struct socket *,
  34                                        rxrpc_notify_new_call_t,
  35                                        rxrpc_discard_new_call_t);
  36struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
  37                                           struct sockaddr_rxrpc *,
  38                                           struct key *,
  39                                           unsigned long,
  40                                           s64,
  41                                           gfp_t,
  42                                           rxrpc_notify_rx_t,
  43                                           bool,
  44                                           bool,
  45                                           unsigned int);
  46int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
  47                           struct msghdr *, size_t,
  48                           rxrpc_notify_end_tx_t);
  49int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
  50                           struct iov_iter *, bool, u32 *, u16 *);
  51bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
  52                             u32, int, const char *);
  53void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
  54void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
  55                           struct sockaddr_rxrpc *);
  56u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
  57int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
  58                               rxrpc_user_attach_call_t, unsigned long, gfp_t,
  59                               unsigned int);
  60void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
  61bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *,
  62                             u32 *);
  63void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
  64u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
  65bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
  66                                 ktime_t *);
  67bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
  68void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
  69                               unsigned long);
  70
  71#endif /* _NET_RXRPC_H */
  72