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/rxrpc.h>
  16 #include <linux/ktime.h>
  17
  18 struct key;
  19 struct sock;
  20 struct socket;
  21 struct rxrpc_call;
  22
  23 /*
  24  * Debug ID counter for tracing.
  25  */
  26 extern atomic_t rxrpc_debug_id;
  27
  28 typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
  29                                   unsigned long);
  30 typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
  31                                       unsigned long);
  32 typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
  33                                         unsigned long);
  34 typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
  35 typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
  36
  37 void rxrpc_kernel_new_call_notification(struct socket *,
  38                                         rxrpc_notify_new_call_t,
  39                                         rxrpc_discard_new_call_t);
  40 struct 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                                            bool,
  49                                            unsigned int);
  50 int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
  51                            struct msghdr *, size_t,
  52                            rxrpc_notify_end_tx_t);
  53 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
  54                            struct iov_iter *, bool, u32 *, u16 *);
  55 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
  56                              u32, int, const char *);
  57 void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
  58 void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
  59                            struct sockaddr_rxrpc *);
  60 u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
  61 int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
  62                                rxrpc_user_attach_call_t, unsigned long, gfp_t,
  63                                unsigned int);
  64 void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
  65 bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *,
  66                              u32 *);
  67 void rxrpc_kernel_probe_life(struct socket *, struct rxrpc_call *);
  68 u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
  69 bool rxrpc_kernel_get_reply_time(struct socket *, struct rxrpc_call *,
  70                                  ktime_t *);
  71 bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
  72 void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
  73                                unsigned long);
  74
  75 #endif /* _NET_RXRPC_H */