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/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */
/* Types and definitions for AF_RXRPC.
*
* Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.
* Written by David Howells (dhowells@redhat.com)
*/
#ifndef _LINUX_RXRPC_H
#define _LINUX_RXRPC_H
#include <linux/types.h>
#include <linux/in.h>
#include <linux/in6.h>
/*
* RxRPC socket address
*/
struct sockaddr_rxrpc {
__kernel_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 {
__kernel_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_SET_CALL_TIMEOUT = 13, /* s-: Set one or more call timeouts */
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 */
/*
* RxRPC-level abort codes
*/
#define RX_CALL_DEAD -1 /* call/conn has been inactive and is shut down */
#define RX_INVALID_OPERATION -2 /* invalid operation requested / attempted */
#define RX_CALL_TIMEOUT -3 /* call timeout exceeded */
#define RX_EOF -4 /* unexpected end of data on read op */
#define RX_PROTOCOL_ERROR -5 /* low-level protocol error */
#define RX_USER_ABORT -6 /* generic user abort */
#define RX_ADDRINUSE -7 /* UDP port in use */
#define RX_DEBUGI_BADTYPE -8 /* bad debugging packet type */
/*
* (un)marshalling abort codes (rxgen)
*/
#define RXGEN_CC_MARSHAL -450
#define RXGEN_CC_UNMARSHAL -451
#define RXGEN_SS_MARSHAL -452
#define RXGEN_SS_UNMARSHAL -453
#define RXGEN_DECODE -454
#define RXGEN_OPCODE -455
#define RXGEN_SS_XDRFREE -456
#define RXGEN_CC_XDRFREE -457
/*
* Rx kerberos security abort codes
* - unfortunately we have no generalised security abort codes to say things
* like "unsupported security", so we have to use these instead and hope the
* other side understands
*/
#define RXKADINCONSISTENCY 19270400 /* security module structure inconsistent */
#define RXKADPACKETSHORT 19270401 /* packet too short for security challenge */
#define RXKADLEVELFAIL 19270402 /* security level negotiation failed */
#define RXKADTICKETLEN 19270403 /* ticket length too short or too long */
#define RXKADOUTOFSEQUENCE 19270404 /* packet had bad sequence number */
#define RXKADNOAUTH 19270405 /* caller not authorised */
#define RXKADBADKEY 19270406 /* illegal key: bad parity or weak */
#define RXKADBADTICKET 19270407 /* security object was passed a bad ticket */
#define RXKADUNKNOWNKEY 19270408 /* ticket contained unknown key version number */
#define RXKADEXPIRED 19270409 /* authentication expired */
#define RXKADSEALEDINCON 19270410 /* sealed data inconsistent */
#define RXKADDATALEN 19270411 /* user data too long */
#define RXKADILLEGALLEVEL 19270412 /* caller not authorised to use encrypted conns */
#endif /* _LINUX_RXRPC_H */
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