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/* 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 key;
struct sock;
struct socket;
struct rxrpc_call;
/*
* Call completion condition (state == RXRPC_CALL_COMPLETE).
*/
enum rxrpc_call_completion {
RXRPC_CALL_SUCCEEDED, /* - Normal termination */
RXRPC_CALL_REMOTELY_ABORTED, /* - call aborted by peer */
RXRPC_CALL_LOCALLY_ABORTED, /* - call aborted locally on error or close */
RXRPC_CALL_LOCAL_ERROR, /* - call failed due to local error */
RXRPC_CALL_NETWORK_ERROR, /* - call terminated by network error */
NR__RXRPC_CALL_COMPLETIONS
};
typedef void (*rxrpc_notify_rx_t)(struct sock *, struct rxrpc_call *,
unsigned long);
typedef void (*rxrpc_notify_end_tx_t)(struct sock *, struct rxrpc_call *,
unsigned long);
typedef void (*rxrpc_notify_new_call_t)(struct sock *, struct rxrpc_call *,
unsigned long);
typedef void (*rxrpc_discard_new_call_t)(struct rxrpc_call *, unsigned long);
typedef void (*rxrpc_user_attach_call_t)(struct rxrpc_call *, unsigned long);
void rxrpc_kernel_new_call_notification(struct socket *,
rxrpc_notify_new_call_t,
rxrpc_discard_new_call_t);
struct rxrpc_call *rxrpc_kernel_begin_call(struct socket *,
struct sockaddr_rxrpc *,
struct key *,
unsigned long,
s64,
gfp_t,
rxrpc_notify_rx_t,
bool);
int rxrpc_kernel_send_data(struct socket *, struct rxrpc_call *,
struct msghdr *, size_t,
rxrpc_notify_end_tx_t);
int rxrpc_kernel_recv_data(struct socket *, struct rxrpc_call *,
void *, size_t, size_t *, bool, u32 *, u16 *);
bool rxrpc_kernel_abort_call(struct socket *, struct rxrpc_call *,
u32, int, const char *);
void rxrpc_kernel_end_call(struct socket *, struct rxrpc_call *);
void rxrpc_kernel_get_peer(struct socket *, struct rxrpc_call *,
struct sockaddr_rxrpc *);
u64 rxrpc_kernel_get_rtt(struct socket *, struct rxrpc_call *);
int rxrpc_kernel_charge_accept(struct socket *, rxrpc_notify_rx_t,
rxrpc_user_attach_call_t, unsigned long, gfp_t);
void rxrpc_kernel_set_tx_length(struct socket *, struct rxrpc_call *, s64);
int rxrpc_kernel_retry_call(struct socket *, struct rxrpc_call *,
struct sockaddr_rxrpc *, struct key *);
int rxrpc_kernel_check_call(struct socket *, struct rxrpc_call *,
enum rxrpc_call_completion *, u32 *);
u32 rxrpc_kernel_check_life(struct socket *, struct rxrpc_call *);
#endif /* _NET_RXRPC_H */
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