xref: /openbmc/linux/include/net/af_rxrpc.h (revision eb3fcf00)
1 /* RxRPC kernel service interface definitions
2  *
3  * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
4  * 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 
15 #include <linux/rxrpc.h>
16 
17 struct rxrpc_call;
18 
19 /*
20  * the mark applied to socket buffers that may be intercepted
21  */
22 enum {
23 	RXRPC_SKB_MARK_DATA,		/* data message */
24 	RXRPC_SKB_MARK_FINAL_ACK,	/* final ACK received message */
25 	RXRPC_SKB_MARK_BUSY,		/* server busy message */
26 	RXRPC_SKB_MARK_REMOTE_ABORT,	/* remote abort message */
27 	RXRPC_SKB_MARK_NET_ERROR,	/* network error message */
28 	RXRPC_SKB_MARK_LOCAL_ERROR,	/* local error message */
29 	RXRPC_SKB_MARK_NEW_CALL,	/* local error message */
30 };
31 
32 typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,
33 				    struct sk_buff *);
34 void rxrpc_kernel_intercept_rx_messages(struct socket *, rxrpc_interceptor_t);
35 struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
36 					   struct sockaddr_rxrpc *,
37 					   struct key *,
38 					   unsigned long,
39 					   gfp_t);
40 int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *, size_t);
41 void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
42 void rxrpc_kernel_end_call(struct rxrpc_call *);
43 bool rxrpc_kernel_is_data_last(struct sk_buff *);
44 u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
45 int rxrpc_kernel_get_error_number(struct sk_buff *);
46 void rxrpc_kernel_data_delivered(struct sk_buff *);
47 void rxrpc_kernel_free_skb(struct sk_buff *);
48 struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *, unsigned long);
49 int rxrpc_kernel_reject_call(struct socket *);
50 
51 #endif /* _NET_RXRPC_H */
52