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>
18 enum rxrpc_abort_reason;
20 enum rxrpc_interruptibility {
21 RXRPC_INTERRUPTIBLE, /* Call is interruptible */
22 RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */
23 RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */
27 * Debug ID counter for tracing.
29 extern atomic_t rxrpc_debug_id;
31 typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
33 typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
35 typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
37 typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
38 typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
40 void rxrpc_kernel_new_call_notification(struct socket *,
41 rxrpc_notify_new_call_t,
42 rxrpc_discard_new_call_t);
43 struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
44 struct sockaddr_rxrpc *,
51 enum rxrpc_interruptibility,
53 int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
54 struct msghdr *, size_t,
55 rxrpc_notify_end_tx_t);
56 int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
57 struct iov_iter *, size_t *, bool, u32 *, u16 *);
58 bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
59 u32, int, enum rxrpc_abort_reason);
60 void rxrpc_kernel_shutdown_call(struct socket *sock, struct rxrpc_call *call);
61 void rxrpc_kernel_put_call(struct socket *sock, struct rxrpc_call *call);
62 void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
63 struct sockaddr_rxrpc *);
64 bool rxrpc_kernel_get_srtt(struct socket *, struct rxrpc_call *, u32 *);
65 int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
66 rxrpc_user_attach_call_t, unsigned long, gfp_t,
68 void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
69 bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *);
70 u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *);
71 void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *,
74 int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
75 int rxrpc_sock_set_security_keyring(struct sock *, struct key *);
77 #endif /* _NET_RXRPC_H */