include/net/af_rxrpc.h

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