1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /* RxRPC kernel service interface definitions
4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
5 * Written by David Howells (dhowells@redhat.com)
11 #include <linux/rxrpc.h>
12 #include <linux/ktime.h>
19 enum rxrpc_interruptibility {
20 RXRPC_INTERRUPTIBLE, /* Call is interruptible */
21 RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */
22 RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */
26 * Debug ID counter for tracing.
28 extern atomic_t rxrpc_debug_id;
30 typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
32 typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
34 typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
36 typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
37 typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
39 void rxrpc_kernel_new_call_notification(struct socket *,
40 rxrpc_notify_new_call_t,
41 rxrpc_discard_new_call_t);
42 struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
43 struct sockaddr_rxrpc *,
50 enum rxrpc_interruptibility,
52 int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
53 struct msghdr *, size_t,
54 rxrpc_notify_end_tx_t);
55 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
56 struct iov_iter *, size_t *, bool, u32 *, u16 *);
57 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
58 u32, int, const char *);
59 void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
60 void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
61 struct sockaddr_rxrpc *);
62 bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *);
63 int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
64 rxrpc_user_attach_call_t, unsigned long, gfp_t,
66 void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
67 bool rxrpc_kernel_check_life(const struct socket *, const 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 *,
71 bool rxrpc_kernel_call_is_complete(struct rxrpc_call *);
72 void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
75 int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
77 #endif /* _NET_RXRPC_H */