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ddc6c70f07
Move the protocol description header file into net/rxrpc/ and rename it to protocol.h. It's no longer necessary to expose it as packets are no longer exposed to kernel services (such as AFS) that use the facility. The abort codes are transferred to the UAPI header instead as we pass these back to userspace and also to kernel services. Signed-off-by: David Howells <dhowells@redhat.com>
125 lines
4.9 KiB
C
125 lines
4.9 KiB
C
/* 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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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public Licence
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* as published by the Free Software Foundation; either version
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* 2 of the Licence, or (at your option) any later version.
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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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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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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_ACCEPT = 9, /* s-: [Service] accept request */
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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__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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