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awilliam
GitHub Repository: awilliam/linux-vfio
 Path: blob/master/include/net/af_rxrpc.h
10817 views
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/* RxRPC kernel service interface definitions

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 *

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 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.

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 * Written by David Howells ([email protected])

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 *

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 * This program is free software; you can redistribute it and/or

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 * modify it under the terms of the GNU General Public License

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 * as published by the Free Software Foundation; either version

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 * 2 of the License, or (at your option) any later version.

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 */

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#ifndef _NET_RXRPC_H

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#define _NET_RXRPC_H

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#include <linux/rxrpc.h>

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struct rxrpc_call;

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/*

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 * the mark applied to socket buffers that may be intercepted

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 */

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enum {

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	RXRPC_SKB_MARK_DATA,		/* data message */

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	RXRPC_SKB_MARK_FINAL_ACK,	/* final ACK received message */

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	RXRPC_SKB_MARK_BUSY,		/* server busy message */

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	RXRPC_SKB_MARK_REMOTE_ABORT,	/* remote abort message */

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	RXRPC_SKB_MARK_NET_ERROR,	/* network error message */

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	RXRPC_SKB_MARK_LOCAL_ERROR,	/* local error message */

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	RXRPC_SKB_MARK_NEW_CALL,	/* local error message */

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};

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typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,

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				    struct sk_buff *);

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extern void rxrpc_kernel_intercept_rx_messages(struct socket *,

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					       rxrpc_interceptor_t);

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extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,

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						  struct sockaddr_rxrpc *,

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						  struct key *,

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						  unsigned long,

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						  gfp_t);

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extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *,

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				  size_t);

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extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);

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extern void rxrpc_kernel_end_call(struct rxrpc_call *);

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extern bool rxrpc_kernel_is_data_last(struct sk_buff *);

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extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *);

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extern int rxrpc_kernel_get_error_number(struct sk_buff *);

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extern void rxrpc_kernel_data_delivered(struct sk_buff *);

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extern void rxrpc_kernel_free_skb(struct sk_buff *);

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extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *,

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						   unsigned long);

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extern int rxrpc_kernel_reject_call(struct socket *);

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#endif /* _NET_RXRPC_H */

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