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
 
 
 
17struct rxrpc_call;
18
19/*
20 * the mark applied to socket buffers that may be intercepted
21 */
22enum {
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
32typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,
33				    struct sk_buff *);
34extern void rxrpc_kernel_intercept_rx_messages(struct socket *,
35					       rxrpc_interceptor_t);
36extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
37						  struct sockaddr_rxrpc *,
38						  struct key *,
39						  unsigned long,
40						  gfp_t);
41extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *,
42				  size_t);
43extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
44extern void rxrpc_kernel_end_call(struct rxrpc_call *);
45extern bool rxrpc_kernel_is_data_last(struct sk_buff *);
46extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
47extern int rxrpc_kernel_get_error_number(struct sk_buff *);
48extern void rxrpc_kernel_data_delivered(struct sk_buff *);
49extern void rxrpc_kernel_free_skb(struct sk_buff *);
50extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *,
51						   unsigned long);
52extern int rxrpc_kernel_reject_call(struct socket *);
53
54#endif /* _NET_RXRPC_H */

 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
17struct key;
18struct sock;
19struct socket;
20struct rxrpc_call;
21
22typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
23				  unsigned long);
24typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
25					unsigned long);
26typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
27typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
 
 
 
 
 
 
28
29void rxrpc_kernel_new_call_notification(struct socket *,
30					rxrpc_notify_new_call_t,
31					rxrpc_discard_new_call_t);
32struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
33					   struct sockaddr_rxrpc *,
34					   struct key *,
35					   unsigned long,
36					   gfp_t,
37					   rxrpc_notify_rx_t);
38int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
39			   struct msghdr *, size_t);
40int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
41			   void *, size_t, size_t *, bool, u32 *);
42void rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
43			     u32, int, const char *);
44void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
45void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
46			   struct sockaddr_rxrpc *);
47int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
48			       rxrpc_user_attach_call_t, unsigned long, gfp_t);
 
49
50#endif /* _NET_RXRPC_H */