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 | struct rxrpc_peer; |
19 | enum rxrpc_abort_reason; |
20 | |
21 | enum rxrpc_interruptibility { |
22 | RXRPC_INTERRUPTIBLE, /* Call is interruptible */ |
23 | RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */ |
24 | RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */ |
25 | }; |
26 | |
27 | /* |
28 | * Debug ID counter for tracing. |
29 | */ |
30 | extern atomic_t rxrpc_debug_id; |
31 | |
32 | typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *, |
33 | unsigned long); |
34 | typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *, |
35 | unsigned long); |
36 | typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *, |
37 | unsigned long); |
38 | typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long); |
39 | typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long); |
40 | |
41 | void rxrpc_kernel_new_call_notification(struct socket *, |
42 | rxrpc_notify_new_call_t, |
43 | rxrpc_discard_new_call_t); |
44 | struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *sock, |
45 | struct rxrpc_peer *peer, |
46 | struct key *key, |
47 | unsigned long user_call_ID, |
48 | s64 tx_total_len, |
49 | u32 hard_timeout, |
50 | gfp_t gfp, |
51 | rxrpc_notify_rx_t notify_rx, |
52 | u16 service_id, |
53 | bool upgrade, |
54 | enum rxrpc_interruptibility interruptibility, |
55 | unsigned int debug_id); |
56 | int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *, |
57 | struct msghdr *, size_t, |
58 | rxrpc_notify_end_tx_t); |
59 | int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *, |
60 | struct iov_iter *, size_t *, bool, u32 *, u16 *); |
61 | bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *, |
62 | u32, int, enum rxrpc_abort_reason); |
63 | void rxrpc_kernel_shutdown_call(struct socket *sock, struct rxrpc_call *call); |
64 | void rxrpc_kernel_put_call(struct socket *sock, struct rxrpc_call *call); |
65 | struct rxrpc_peer *rxrpc_kernel_lookup_peer(struct socket *sock, |
66 | struct sockaddr_rxrpc *srx, gfp_t gfp); |
67 | void rxrpc_kernel_put_peer(struct rxrpc_peer *peer); |
68 | struct rxrpc_peer *rxrpc_kernel_get_peer(struct rxrpc_peer *peer); |
69 | struct rxrpc_peer *rxrpc_kernel_get_call_peer(struct socket *sock, struct rxrpc_call *call); |
70 | const struct sockaddr_rxrpc *rxrpc_kernel_remote_srx(const struct rxrpc_peer *peer); |
71 | const struct sockaddr *rxrpc_kernel_remote_addr(const struct rxrpc_peer *peer); |
72 | unsigned int rxrpc_kernel_get_srtt(const struct rxrpc_peer *); |
73 | int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t, |
74 | rxrpc_user_attach_call_t, unsigned long, gfp_t, |
75 | unsigned int); |
76 | void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64); |
77 | bool rxrpc_kernel_check_life(const struct socket *, const struct rxrpc_call *); |
78 | u32 rxrpc_kernel_get_epoch(struct socket *, struct rxrpc_call *); |
79 | void rxrpc_kernel_set_max_life(struct socket *, struct rxrpc_call *, |
80 | unsigned long); |
81 | |
82 | int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val); |
83 | int rxrpc_sock_set_security_keyring(struct sock *, struct key *); |
84 | |
85 | #endif /* _NET_RXRPC_H */ |
86 | |