af_rxrpc.h

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/* RxRPC kernel service interface definitions
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells ([email protected])
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * as published by the Free Software Foundation; either version
 * 2 of the License, or (at your option) any later version.
 */

#ifndef _NET_RXRPC_H
#define _NET_RXRPC_H

#include <linux/rxrpc.h>

struct rxrpc_call;

/*
 * the mark applied to socket buffers that may be intercepted
 */
enum {
    RXRPC_SKB_MARK_DATA,        /* data message */
    RXRPC_SKB_MARK_FINAL_ACK,   /* final ACK received message */
    RXRPC_SKB_MARK_BUSY,        /* server busy message */
    RXRPC_SKB_MARK_REMOTE_ABORT,    /* remote abort message */
    RXRPC_SKB_MARK_NET_ERROR,   /* network error message */
    RXRPC_SKB_MARK_LOCAL_ERROR, /* local error message */
    RXRPC_SKB_MARK_NEW_CALL,    /* local error message */
};

typedef void (*rxrpc_interceptor_t)(struct sock *, unsigned long,
                    struct sk_buff *);
extern void rxrpc_kernel_intercept_rx_messages(struct socket *,
                           rxrpc_interceptor_t);
extern struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
                          struct sockaddr_rxrpc *,
                          struct key *,
                          unsigned long,
                          gfp_t);
extern int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *,
                  size_t);
extern void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
extern void rxrpc_kernel_end_call(struct rxrpc_call *);
extern bool rxrpc_kernel_is_data_last(struct sk_buff *);
extern u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
extern int rxrpc_kernel_get_error_number(struct sk_buff *);
extern void rxrpc_kernel_data_delivered(struct sk_buff *);
extern void rxrpc_kernel_free_skb(struct sk_buff *);
extern struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *,
                           unsigned long);
extern int rxrpc_kernel_reject_call(struct socket *);

#endif /* _NET_RXRPC_H */