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linux-next/include/uapi/linux/rxrpc.h
David Howells 727f891447 rxrpc: Expose UAPI definitions to userspace
Move UAPI definitions from the internal header and place them in a UAPI
header file so that userspace can make use of them.

Signed-off-by: David Howells <dhowells@redhat.com>
2017-07-21 10:39:26 +01:00

81 lines
3.0 KiB
C

/* Types and definitions for AF_RXRPC.
*
* 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 Licence
* as published by the Free Software Foundation; either version
* 2 of the Licence, or (at your option) any later version.
*/
#ifndef _UAPI_LINUX_RXRPC_H
#define _UAPI_LINUX_RXRPC_H
#include <linux/types.h>
#include <linux/in.h>
#include <linux/in6.h>
/*
* RxRPC socket address
*/
struct sockaddr_rxrpc {
sa_family_t srx_family; /* address family */
u16 srx_service; /* service desired */
u16 transport_type; /* type of transport socket (SOCK_DGRAM) */
u16 transport_len; /* length of transport address */
union {
sa_family_t family; /* transport address family */
struct sockaddr_in sin; /* IPv4 transport address */
struct sockaddr_in6 sin6; /* IPv6 transport address */
} transport;
};
/*
* RxRPC socket options
*/
#define RXRPC_SECURITY_KEY 1 /* [clnt] set client security key */
#define RXRPC_SECURITY_KEYRING 2 /* [srvr] set ring of server security keys */
#define RXRPC_EXCLUSIVE_CONNECTION 3 /* Deprecated; use RXRPC_EXCLUSIVE_CALL instead */
#define RXRPC_MIN_SECURITY_LEVEL 4 /* minimum security level */
#define RXRPC_UPGRADEABLE_SERVICE 5 /* Upgrade service[0] -> service[1] */
#define RXRPC_SUPPORTED_CMSG 6 /* Get highest supported control message type */
/*
* RxRPC control messages
* - If neither abort or accept are specified, the message is a data message.
* - terminal messages mean that a user call ID tag can be recycled
* - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg()
*/
enum rxrpc_cmsg_type {
RXRPC_USER_CALL_ID = 1, /* sr: user call ID specifier */
RXRPC_ABORT = 2, /* sr: abort request / notification [terminal] */
RXRPC_ACK = 3, /* -r: [Service] RPC op final ACK received [terminal] */
RXRPC_NET_ERROR = 5, /* -r: network error received [terminal] */
RXRPC_BUSY = 6, /* -r: server busy received [terminal] */
RXRPC_LOCAL_ERROR = 7, /* -r: local error generated [terminal] */
RXRPC_NEW_CALL = 8, /* -r: [Service] new incoming call notification */
RXRPC_ACCEPT = 9, /* s-: [Service] accept request */
RXRPC_EXCLUSIVE_CALL = 10, /* s-: Call should be on exclusive connection */
RXRPC_UPGRADE_SERVICE = 11, /* s-: Request service upgrade for client call */
RXRPC_TX_LENGTH = 12, /* s-: Total length of Tx data */
RXRPC__SUPPORTED
};
/*
* RxRPC security levels
*/
#define RXRPC_SECURITY_PLAIN 0 /* plain secure-checksummed packets only */
#define RXRPC_SECURITY_AUTH 1 /* authenticated packets */
#define RXRPC_SECURITY_ENCRYPT 2 /* encrypted packets */
/*
* RxRPC security indices
*/
#define RXRPC_SECURITY_NONE 0 /* no security protocol */
#define RXRPC_SECURITY_RXKAD 2 /* kaserver or kerberos 4 */
#define RXRPC_SECURITY_RXGK 4 /* gssapi-based */
#define RXRPC_SECURITY_RXK5 5 /* kerberos 5 */
#endif /* _UAPI_LINUX_RXRPC_H */