linux - include/net/af

115 lines · 4.5 KiB

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 ([email protected])
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	struct krb5_buffer;
20	enum rxrpc_abort_reason;
21
22	enum rxrpc_interruptibility {
23	RXRPC_INTERRUPTIBLE, /* Call is interruptible */
24	RXRPC_PREINTERRUPTIBLE, /* Call can be cancelled whilst waiting for a slot */
25	RXRPC_UNINTERRUPTIBLE, /* Call should not be interruptible at all */
26	};
27
28	enum rxrpc_oob_type {
29	RXRPC_OOB_CHALLENGE, /* Security challenge for a connection */
30	};
31
32	/*
33	* Debug ID counter for tracing.
34	*/
35	extern atomic_t rxrpc_debug_id;
36
37	/*
38	* Operations table for rxrpc to call out to a kernel application (e.g. kAFS).
39	*/
40	struct rxrpc_kernel_ops {
41	void (notify_new_call)(struct sock sk, struct rxrpc_call *call,
42	unsigned long user_call_ID);
43	void (discard_new_call)(struct rxrpc_call call, unsigned long user_call_ID);
44	void (user_attach_call)(struct rxrpc_call call, unsigned long user_call_ID);
45	void (notify_oob)(struct sock sk, struct sk_buff *oob);
46	};
47
48	typedef void (rxrpc_notify_rx_t)(struct sock , struct rxrpc_call *,
49	unsigned long);
50	typedef void (rxrpc_notify_end_tx_t)(struct sock , struct rxrpc_call *,
51	unsigned long);
52
53	void rxrpc_kernel_set_notifications(struct socket *sock,
54	const struct rxrpc_kernel_ops *app_ops);
55	struct rxrpc_call rxrpc_kernel_begin_call(struct socket sock,
56	struct rxrpc_peer *peer,
57	struct key *key,
58	unsigned long user_call_ID,
59	s64 tx_total_len,
60	u32 hard_timeout,
61	gfp_t gfp,
62	rxrpc_notify_rx_t notify_rx,
63	u16 service_id,
64	bool upgrade,
65	enum rxrpc_interruptibility interruptibility,
66	unsigned int debug_id);
67	int rxrpc_kernel_send_data(struct socket , struct rxrpc_call ,
68	struct msghdr *, size_t,
69	rxrpc_notify_end_tx_t);
70	int rxrpc_kernel_recv_data(struct socket , struct rxrpc_call ,
71	struct iov_iter , size_t , bool, u32 , u16 );
72	bool rxrpc_kernel_abort_call(struct socket , struct rxrpc_call ,
73	u32, int, enum rxrpc_abort_reason);
74	void rxrpc_kernel_shutdown_call(struct socket sock, struct rxrpc_call call);
75	void rxrpc_kernel_put_call(struct socket sock, struct rxrpc_call call);
76	struct rxrpc_peer rxrpc_kernel_lookup_peer(struct socket sock,
77	struct sockaddr_rxrpc *srx, gfp_t gfp);
78	void rxrpc_kernel_put_peer(struct rxrpc_peer *peer);
79	struct rxrpc_peer rxrpc_kernel_get_peer(struct rxrpc_peer peer);
80	struct rxrpc_peer rxrpc_kernel_get_call_peer(struct socket sock, struct rxrpc_call *call);
81	const struct sockaddr_rxrpc rxrpc_kernel_remote_srx(const struct rxrpc_peer peer);
82	const struct sockaddr rxrpc_kernel_remote_addr(const struct rxrpc_peer peer);
83	unsigned long rxrpc_kernel_set_peer_data(struct rxrpc_peer *peer, unsigned long app_data);
84	unsigned long rxrpc_kernel_get_peer_data(const struct rxrpc_peer *peer);
85	unsigned int rxrpc_kernel_get_srtt(const struct rxrpc_peer *);
86	int rxrpc_kernel_charge_accept(struct socket *sock, rxrpc_notify_rx_t notify_rx,
87	unsigned long user_call_ID, gfp_t gfp,
88	unsigned int debug_id);
89	void rxrpc_kernel_set_tx_length(struct socket , struct rxrpc_call , s64);
90	bool rxrpc_kernel_check_life(const struct socket , const struct rxrpc_call );
91
92	int rxrpc_sock_set_min_security_level(struct sock *sk, unsigned int val);
93	int rxrpc_sock_set_security_keyring(struct sock , struct key );
94	int rxrpc_sock_set_manage_response(struct sock *sk, bool set);
95
96	enum rxrpc_oob_type rxrpc_kernel_query_oob(struct sk_buff *oob,
97	struct rxrpc_peer **_peer,
98	unsigned long *_peer_appdata);
99	struct sk_buff rxrpc_kernel_dequeue_oob(struct socket sock,
100	enum rxrpc_oob_type *_type);
101	void rxrpc_kernel_free_oob(struct sk_buff *oob);
102	void rxrpc_kernel_query_challenge(struct sk_buff *challenge,
103	struct rxrpc_peer **_peer,
104	unsigned long *_peer_appdata,
105	u16 _service_id, u8 _security_index);
106	int rxrpc_kernel_reject_challenge(struct sk_buff *challenge, u32 abort_code,
107	int error, enum rxrpc_abort_reason why);
108	int rxkad_kernel_respond_to_challenge(struct sk_buff *challenge);
109	u32 rxgk_kernel_query_challenge(struct sk_buff *challenge);
110	int rxgk_kernel_respond_to_challenge(struct sk_buff *challenge,
111	struct krb5_buffer *appdata);
112	u8 rxrpc_kernel_query_call_security(struct rxrpc_call *call,
113	u16 _service_id, u32 _enctype);
114
115	#endif /* _NET_RXRPC_H */