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_H 9#define _UAPI_LINUX_RXRPC_H 10 11#include <linux/types.h> 12#include <linux/in.h> 13#include <linux/in6.h> 14 15/* 16 * RxRPC socket address 17 */ 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 options 32 */ 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 messages 42 * - 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 recycled 44 * - 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__SUPPORTED 60}; 61 62/* 63 * RxRPC security levels 64 */ 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 indices 71 */ 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 codes 79 */ 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 -450 93#define RXGEN_CC_UNMARSHAL -451 94#define RXGEN_SS_MARSHAL -452 95#define RXGEN_SS_UNMARSHAL -453 96#define RXGEN_DECODE -454 97#define RXGEN_OPCODE -455 98#define RXGEN_SS_XDRFREE -456 99#define RXGEN_CC_XDRFREE -457 100 101/* 102 * Rx kerberos security abort codes 103 * - unfortunately we have no generalised security abort codes to say things 104 * like "unsupported security", so we have to use these instead and hope the 105 * other side understands 106 */ 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