root/include/net/af_rxrpc.h

/* RxRPC kernel service interface definitions
 *
 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
 * Written by David Howells (dhowells@redhat.com)
 *
 * 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 *);
void rxrpc_kernel_intercept_rx_messages(struct socket *, rxrpc_interceptor_t);
struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
                                           struct sockaddr_rxrpc *,
                                           struct key *,
                                           unsigned long,
                                           gfp_t);
int rxrpc_kernel_send_data(struct rxrpc_call *, struct msghdr *, size_t);
void rxrpc_kernel_abort_call(struct rxrpc_call *, u32);
void rxrpc_kernel_end_call(struct rxrpc_call *);
bool rxrpc_kernel_is_data_last(struct sk_buff *);
u32 rxrpc_kernel_get_abort_code(struct sk_buff *);
int rxrpc_kernel_get_error_number(struct sk_buff *);
void rxrpc_kernel_data_delivered(struct sk_buff *);
void rxrpc_kernel_free_skb(struct sk_buff *);
struct rxrpc_call *rxrpc_kernel_accept_call(struct socket *, unsigned long);
int rxrpc_kernel_reject_call(struct socket *);

#endif /* _NET_RXRPC_H */