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1/* SPDX-License-Identifier: GPL-2.0-or-later WITH Linux-syscall-note */2/* Types and definitions for AF_RXRPC.3 *4 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved.5 * Written by David Howells (dhowells@redhat.com)6 */7 8#ifndef _UAPI_LINUX_RXRPC_H9#define _UAPI_LINUX_RXRPC_H10 11#include <linux/types.h>12#include <linux/in.h>13#include <linux/in6.h>14 15/*16 * RxRPC socket address17 */18struct sockaddr_rxrpc {19 __kernel_sa_family_t srx_family; /* address family */20 __u16 srx_service; /* service desired */21 __u16 transport_type; /* type of transport socket (SOCK_DGRAM) */22 __u16 transport_len; /* length of transport address */23 union {24 __kernel_sa_family_t family; /* transport address family */25 struct sockaddr_in sin; /* IPv4 transport address */26 struct sockaddr_in6 sin6; /* IPv6 transport address */27 } transport;28};29 30/*31 * RxRPC socket options32 */33#define RXRPC_SECURITY_KEY 1 /* [clnt] set client security key */34#define RXRPC_SECURITY_KEYRING 2 /* [srvr] set ring of server security keys */35#define RXRPC_EXCLUSIVE_CONNECTION 3 /* Deprecated; use RXRPC_EXCLUSIVE_CALL instead */36#define RXRPC_MIN_SECURITY_LEVEL 4 /* minimum security level */37#define RXRPC_UPGRADEABLE_SERVICE 5 /* Upgrade service[0] -> service[1] */38#define RXRPC_SUPPORTED_CMSG 6 /* Get highest supported control message type */39 40/*41 * RxRPC control messages42 * - If neither abort or accept are specified, the message is a data message.43 * - terminal messages mean that a user call ID tag can be recycled44 * - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg()45 */46enum rxrpc_cmsg_type {47 RXRPC_USER_CALL_ID = 1, /* sr: user call ID specifier */48 RXRPC_ABORT = 2, /* sr: abort request / notification [terminal] */49 RXRPC_ACK = 3, /* -r: [Service] RPC op final ACK received [terminal] */50 RXRPC_NET_ERROR = 5, /* -r: network error received [terminal] */51 RXRPC_BUSY = 6, /* -r: server busy received [terminal] */52 RXRPC_LOCAL_ERROR = 7, /* -r: local error generated [terminal] */53 RXRPC_NEW_CALL = 8, /* -r: [Service] new incoming call notification */54 RXRPC_EXCLUSIVE_CALL = 10, /* s-: Call should be on exclusive connection */55 RXRPC_UPGRADE_SERVICE = 11, /* s-: Request service upgrade for client call */56 RXRPC_TX_LENGTH = 12, /* s-: Total length of Tx data */57 RXRPC_SET_CALL_TIMEOUT = 13, /* s-: Set one or more call timeouts */58 RXRPC_CHARGE_ACCEPT = 14, /* s-: Charge the accept pool with a user call ID */59 RXRPC__SUPPORTED60};61 62/*63 * RxRPC security levels64 */65#define RXRPC_SECURITY_PLAIN 0 /* plain secure-checksummed packets only */66#define RXRPC_SECURITY_AUTH 1 /* authenticated packets */67#define RXRPC_SECURITY_ENCRYPT 2 /* encrypted packets */68 69/*70 * RxRPC security indices71 */72#define RXRPC_SECURITY_NONE 0 /* no security protocol */73#define RXRPC_SECURITY_RXKAD 2 /* kaserver or kerberos 4 */74#define RXRPC_SECURITY_RXGK 4 /* gssapi-based */75#define RXRPC_SECURITY_RXK5 5 /* kerberos 5 */76 77/*78 * RxRPC-level abort codes79 */80#define RX_CALL_DEAD -1 /* call/conn has been inactive and is shut down */81#define RX_INVALID_OPERATION -2 /* invalid operation requested / attempted */82#define RX_CALL_TIMEOUT -3 /* call timeout exceeded */83#define RX_EOF -4 /* unexpected end of data on read op */84#define RX_PROTOCOL_ERROR -5 /* low-level protocol error */85#define RX_USER_ABORT -6 /* generic user abort */86#define RX_ADDRINUSE -7 /* UDP port in use */87#define RX_DEBUGI_BADTYPE -8 /* bad debugging packet type */88 89/*90 * (un)marshalling abort codes (rxgen)91 */92#define RXGEN_CC_MARSHAL -45093#define RXGEN_CC_UNMARSHAL -45194#define RXGEN_SS_MARSHAL -45295#define RXGEN_SS_UNMARSHAL -45396#define RXGEN_DECODE -45497#define RXGEN_OPCODE -45598#define RXGEN_SS_XDRFREE -45699#define RXGEN_CC_XDRFREE -457100 101/*102 * Rx kerberos security abort codes103 * - unfortunately we have no generalised security abort codes to say things104 * like "unsupported security", so we have to use these instead and hope the105 * other side understands106 */107#define RXKADINCONSISTENCY 19270400 /* security module structure inconsistent */108#define RXKADPACKETSHORT 19270401 /* packet too short for security challenge */109#define RXKADLEVELFAIL 19270402 /* security level negotiation failed */110#define RXKADTICKETLEN 19270403 /* ticket length too short or too long */111#define RXKADOUTOFSEQUENCE 19270404 /* packet had bad sequence number */112#define RXKADNOAUTH 19270405 /* caller not authorised */113#define RXKADBADKEY 19270406 /* illegal key: bad parity or weak */114#define RXKADBADTICKET 19270407 /* security object was passed a bad ticket */115#define RXKADUNKNOWNKEY 19270408 /* ticket contained unknown key version number */116#define RXKADEXPIRED 19270409 /* authentication expired */117#define RXKADSEALEDINCON 19270410 /* sealed data inconsistent */118#define RXKADDATALEN 19270411 /* user data too long */119#define RXKADILLEGALLEVEL 19270412 /* caller not authorised to use encrypted conns */120 121#endif /* _UAPI_LINUX_RXRPC_H */122