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David Howells651350d2007-04-26 15:50:17 -07001/* RxRPC kernel service interface definitions
David Howells17926a72007-04-26 15:48:28 -07002 *
David Howells651350d2007-04-26 15:50:17 -07003 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
David Howells17926a72007-04-26 15:48:28 -07004 * Written by David Howells (dhowells@redhat.com)
5 *
6 * This program is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _NET_RXRPC_H
13#define _NET_RXRPC_H
14
David Howells8e688d92016-04-07 17:23:16 +010015#include <linux/skbuff.h>
David Howells17926a72007-04-26 15:48:28 -070016#include <linux/rxrpc.h>
17
David Howells651350d2007-04-26 15:50:17 -070018struct rxrpc_call;
19
20/*
21 * the mark applied to socket buffers that may be intercepted
22 */
David Howellsdc44b3a2016-04-07 17:23:30 +010023enum rxrpc_skb_mark {
David Howells651350d2007-04-26 15:50:17 -070024 RXRPC_SKB_MARK_DATA, /* data message */
25 RXRPC_SKB_MARK_FINAL_ACK, /* final ACK received message */
26 RXRPC_SKB_MARK_BUSY, /* server busy message */
27 RXRPC_SKB_MARK_REMOTE_ABORT, /* remote abort message */
David Howellsdc44b3a2016-04-07 17:23:30 +010028 RXRPC_SKB_MARK_LOCAL_ABORT, /* local abort message */
David Howells651350d2007-04-26 15:50:17 -070029 RXRPC_SKB_MARK_NET_ERROR, /* network error message */
30 RXRPC_SKB_MARK_LOCAL_ERROR, /* local error message */
31 RXRPC_SKB_MARK_NEW_CALL, /* local error message */
32};
33
34typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,
35 struct sk_buff *);
Joe Perchescd2cf632013-07-31 17:31:34 -070036void rxrpc_kernel_intercept_rx_messages(struct socket *, rxrpc_interceptor_t);
37struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
38 struct sockaddr_rxrpc *,
39 struct key *,
40 unsigned long,
41 gfp_t);
42int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *, size_t);
43void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
44void rxrpc_kernel_end_call(struct rxrpc_call *);
45bool rxrpc_kernel_is_data_last(struct sk_buff *);
46u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
47int rxrpc_kernel_get_error_number(struct sk_buff *);
48void rxrpc_kernel_data_delivered(struct sk_buff *);
49void rxrpc_kernel_free_skb(struct sk_buff *);
50struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *, unsigned long);
51int rxrpc_kernel_reject_call(struct socket *);
David Howells651350d2007-04-26 15:50:17 -070052
David Howells17926a72007-04-26 15:48:28 -070053#endif /* _NET_RXRPC_H */