122 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
			
		
		
	
	
			122 lines
		
	
	
		
			4.8 KiB
		
	
	
	
		
			C
		
	
	
	
/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */
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/* Types and definitions for AF_RXRPC.
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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 (dhowells@redhat.com)
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 */
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#ifndef _UAPI_LINUX_RXRPC_H
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#define _UAPI_LINUX_RXRPC_H
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#include <linux/types.h>
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#include <linux/in.h>
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#include <linux/in6.h>
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/*
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 * RxRPC socket address
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 */
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struct sockaddr_rxrpc {
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	__kernel_sa_family_t	srx_family;	/* address family */
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	__u16			srx_service;	/* service desired */
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	__u16			transport_type;	/* type of transport socket (SOCK_DGRAM) */
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	__u16			transport_len;	/* length of transport address */
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	union {
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		__kernel_sa_family_t family;	/* transport address family */
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		struct sockaddr_in sin;		/* IPv4 transport address */
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		struct sockaddr_in6 sin6;	/* IPv6 transport address */
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	} transport;
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};
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/*
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 * RxRPC socket options
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 */
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#define RXRPC_SECURITY_KEY		1	/* [clnt] set client security key */
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#define RXRPC_SECURITY_KEYRING		2	/* [srvr] set ring of server security keys */
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#define RXRPC_EXCLUSIVE_CONNECTION	3	/* Deprecated; use RXRPC_EXCLUSIVE_CALL instead */
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#define RXRPC_MIN_SECURITY_LEVEL	4	/* minimum security level */
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#define RXRPC_UPGRADEABLE_SERVICE	5	/* Upgrade service[0] -> service[1] */
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#define RXRPC_SUPPORTED_CMSG		6	/* Get highest supported control message type */
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/*
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 * RxRPC control messages
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 * - If neither abort or accept are specified, the message is a data message.
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 * - terminal messages mean that a user call ID tag can be recycled
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 * - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg()
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 */
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enum rxrpc_cmsg_type {
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	RXRPC_USER_CALL_ID	= 1,	/* sr: user call ID specifier */
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	RXRPC_ABORT		= 2,	/* sr: abort request / notification [terminal] */
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	RXRPC_ACK		= 3,	/* -r: [Service] RPC op final ACK received [terminal] */
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	RXRPC_NET_ERROR		= 5,	/* -r: network error received [terminal] */
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	RXRPC_BUSY		= 6,	/* -r: server busy received [terminal] */
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	RXRPC_LOCAL_ERROR	= 7,	/* -r: local error generated [terminal] */
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	RXRPC_NEW_CALL		= 8,	/* -r: [Service] new incoming call notification */
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	RXRPC_EXCLUSIVE_CALL	= 10,	/* s-: Call should be on exclusive connection */
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	RXRPC_UPGRADE_SERVICE	= 11,	/* s-: Request service upgrade for client call */
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	RXRPC_TX_LENGTH		= 12,	/* s-: Total length of Tx data */
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	RXRPC_SET_CALL_TIMEOUT	= 13,	/* s-: Set one or more call timeouts */
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	RXRPC_CHARGE_ACCEPT	= 14,	/* s-: Charge the accept pool with a user call ID */
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	RXRPC__SUPPORTED
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};
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/*
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 * RxRPC security levels
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 */
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#define RXRPC_SECURITY_PLAIN	0	/* plain secure-checksummed packets only */
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#define RXRPC_SECURITY_AUTH	1	/* authenticated packets */
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#define RXRPC_SECURITY_ENCRYPT	2	/* encrypted packets */
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/*
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 * RxRPC security indices
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 */
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#define RXRPC_SECURITY_NONE	0	/* no security protocol */
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#define RXRPC_SECURITY_RXKAD	2	/* kaserver or kerberos 4 */
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#define RXRPC_SECURITY_RXGK	4	/* gssapi-based */
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#define RXRPC_SECURITY_RXK5	5	/* kerberos 5 */
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/*
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 * RxRPC-level abort codes
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 */
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#define RX_CALL_DEAD		-1	/* call/conn has been inactive and is shut down */
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#define RX_INVALID_OPERATION	-2	/* invalid operation requested / attempted */
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#define RX_CALL_TIMEOUT		-3	/* call timeout exceeded */
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#define RX_EOF			-4	/* unexpected end of data on read op */
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#define RX_PROTOCOL_ERROR	-5	/* low-level protocol error */
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#define RX_USER_ABORT		-6	/* generic user abort */
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#define RX_ADDRINUSE		-7	/* UDP port in use */
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#define RX_DEBUGI_BADTYPE	-8	/* bad debugging packet type */
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/*
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 * (un)marshalling abort codes (rxgen)
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 */
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#define RXGEN_CC_MARSHAL	-450
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#define RXGEN_CC_UNMARSHAL	-451
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#define RXGEN_SS_MARSHAL	-452
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#define RXGEN_SS_UNMARSHAL	-453
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#define RXGEN_DECODE		-454
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#define RXGEN_OPCODE		-455
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#define RXGEN_SS_XDRFREE	-456
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#define RXGEN_CC_XDRFREE	-457
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/*
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 * Rx kerberos security abort codes
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 * - unfortunately we have no generalised security abort codes to say things
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 *   like "unsupported security", so we have to use these instead and hope the
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 *   other side understands
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 */
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#define RXKADINCONSISTENCY	19270400	/* security module structure inconsistent */
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#define RXKADPACKETSHORT	19270401	/* packet too short for security challenge */
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#define RXKADLEVELFAIL		19270402	/* security level negotiation failed */
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#define RXKADTICKETLEN		19270403	/* ticket length too short or too long */
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#define RXKADOUTOFSEQUENCE	19270404	/* packet had bad sequence number */
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#define RXKADNOAUTH		19270405	/* caller not authorised */
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#define RXKADBADKEY		19270406	/* illegal key: bad parity or weak */
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#define RXKADBADTICKET		19270407	/* security object was passed a bad ticket */
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#define RXKADUNKNOWNKEY		19270408	/* ticket contained unknown key version number */
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#define RXKADEXPIRED		19270409	/* authentication expired */
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#define RXKADSEALEDINCON	19270410	/* sealed data inconsistent */
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#define RXKADDATALEN		19270411	/* user data too long */
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#define RXKADILLEGALLEVEL	19270412	/* caller not authorised to use encrypted conns */
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#endif /* _UAPI_LINUX_RXRPC_H */
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