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/* Types and definitions for AF_RXRPC.

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* Written by David Howells (dhowells@redhat.com)

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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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#ifndef _LINUX_RXRPC_H

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#define _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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* RxRPC socket address

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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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* RxRPC socket options

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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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* 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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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_SET_CALL_TIMEOUT = 13, /* s-: Set one or more call timeouts */

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RXRPC__SUPPORTED

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};

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* RxRPC security levels

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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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* RxRPC security indices

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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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* RxRPC-level abort codes

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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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* (un)marshalling abort codes (rxgen)

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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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* 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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#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 /* _LINUX_RXRPC_H */

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