1 /* Types and definitions for AF_RXRPC. 2 * 3 * Copyright (C) 2007 Red Hat, Inc. All Rights Reserved. 4 * Written by David Howells (dhowells@redhat.com) 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public Licence 8 * as published by the Free Software Foundation; either version 9 * 2 of the Licence, or (at your option) any later version. 10 */ 11 12 #ifndef _UAPI_LINUX_RXRPC_H 13 #define _UAPI_LINUX_RXRPC_H 14 15 #include <linux/types.h> 16 #include <linux/in.h> 17 #include <linux/in6.h> 18 19 /* 20 * RxRPC socket address 21 */ 22 struct sockaddr_rxrpc { 23 __kernel_sa_family_t srx_family; /* address family */ 24 __u16 srx_service; /* service desired */ 25 __u16 transport_type; /* type of transport socket (SOCK_DGRAM) */ 26 __u16 transport_len; /* length of transport address */ 27 union { 28 __kernel_sa_family_t family; /* transport address family */ 29 struct sockaddr_in sin; /* IPv4 transport address */ 30 struct sockaddr_in6 sin6; /* IPv6 transport address */ 31 } transport; 32 }; 33 34 /* 35 * RxRPC socket options 36 */ 37 #define RXRPC_SECURITY_KEY 1 /* [clnt] set client security key */ 38 #define RXRPC_SECURITY_KEYRING 2 /* [srvr] set ring of server security keys */ 39 #define RXRPC_EXCLUSIVE_CONNECTION 3 /* Deprecated; use RXRPC_EXCLUSIVE_CALL instead */ 40 #define RXRPC_MIN_SECURITY_LEVEL 4 /* minimum security level */ 41 #define RXRPC_UPGRADEABLE_SERVICE 5 /* Upgrade service[0] -> service[1] */ 42 #define RXRPC_SUPPORTED_CMSG 6 /* Get highest supported control message type */ 43 44 /* 45 * RxRPC control messages 46 * - If neither abort or accept are specified, the message is a data message. 47 * - terminal messages mean that a user call ID tag can be recycled 48 * - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg() 49 */ 50 enum rxrpc_cmsg_type { 51 RXRPC_USER_CALL_ID = 1, /* sr: user call ID specifier */ 52 RXRPC_ABORT = 2, /* sr: abort request / notification [terminal] */ 53 RXRPC_ACK = 3, /* -r: [Service] RPC op final ACK received [terminal] */ 54 RXRPC_NET_ERROR = 5, /* -r: network error received [terminal] */ 55 RXRPC_BUSY = 6, /* -r: server busy received [terminal] */ 56 RXRPC_LOCAL_ERROR = 7, /* -r: local error generated [terminal] */ 57 RXRPC_NEW_CALL = 8, /* -r: [Service] new incoming call notification */ 58 RXRPC_ACCEPT = 9, /* s-: [Service] accept request */ 59 RXRPC_EXCLUSIVE_CALL = 10, /* s-: Call should be on exclusive connection */ 60 RXRPC_UPGRADE_SERVICE = 11, /* s-: Request service upgrade for client call */ 61 RXRPC_TX_LENGTH = 12, /* s-: Total length of Tx data */ 62 RXRPC_SET_CALL_TIMEOUT = 13, /* s-: Set one or more call timeouts */ 63 RXRPC__SUPPORTED 64 }; 65 66 /* 67 * RxRPC security levels 68 */ 69 #define RXRPC_SECURITY_PLAIN 0 /* plain secure-checksummed packets only */ 70 #define RXRPC_SECURITY_AUTH 1 /* authenticated packets */ 71 #define RXRPC_SECURITY_ENCRYPT 2 /* encrypted packets */ 72 73 /* 74 * RxRPC security indices 75 */ 76 #define RXRPC_SECURITY_NONE 0 /* no security protocol */ 77 #define RXRPC_SECURITY_RXKAD 2 /* kaserver or kerberos 4 */ 78 #define RXRPC_SECURITY_RXGK 4 /* gssapi-based */ 79 #define RXRPC_SECURITY_RXK5 5 /* kerberos 5 */ 80 81 /* 82 * RxRPC-level abort codes 83 */ 84 #define RX_CALL_DEAD -1 /* call/conn has been inactive and is shut down */ 85 #define RX_INVALID_OPERATION -2 /* invalid operation requested / attempted */ 86 #define RX_CALL_TIMEOUT -3 /* call timeout exceeded */ 87 #define RX_EOF -4 /* unexpected end of data on read op */ 88 #define RX_PROTOCOL_ERROR -5 /* low-level protocol error */ 89 #define RX_USER_ABORT -6 /* generic user abort */ 90 #define RX_ADDRINUSE -7 /* UDP port in use */ 91 #define RX_DEBUGI_BADTYPE -8 /* bad debugging packet type */ 92 93 /* 94 * (un)marshalling abort codes (rxgen) 95 */ 96 #define RXGEN_CC_MARSHAL -450 97 #define RXGEN_CC_UNMARSHAL -451 98 #define RXGEN_SS_MARSHAL -452 99 #define RXGEN_SS_UNMARSHAL -453 100 #define RXGEN_DECODE -454 101 #define RXGEN_OPCODE -455 102 #define RXGEN_SS_XDRFREE -456 103 #define RXGEN_CC_XDRFREE -457 104 105 /* 106 * Rx kerberos security abort codes 107 * - unfortunately we have no generalised security abort codes to say things 108 * like "unsupported security", so we have to use these instead and hope the 109 * other side understands 110 */ 111 #define RXKADINCONSISTENCY 19270400 /* security module structure inconsistent */ 112 #define RXKADPACKETSHORT 19270401 /* packet too short for security challenge */ 113 #define RXKADLEVELFAIL 19270402 /* security level negotiation failed */ 114 #define RXKADTICKETLEN 19270403 /* ticket length too short or too long */ 115 #define RXKADOUTOFSEQUENCE 19270404 /* packet had bad sequence number */ 116 #define RXKADNOAUTH 19270405 /* caller not authorised */ 117 #define RXKADBADKEY 19270406 /* illegal key: bad parity or weak */ 118 #define RXKADBADTICKET 19270407 /* security object was passed a bad ticket */ 119 #define RXKADUNKNOWNKEY 19270408 /* ticket contained unknown key version number */ 120 #define RXKADEXPIRED 19270409 /* authentication expired */ 121 #define RXKADSEALEDINCON 19270410 /* sealed data inconsistent */ 122 #define RXKADDATALEN 19270411 /* user data too long */ 123 #define RXKADILLEGALLEVEL 19270412 /* caller not authorised to use encrypted conns */ 124 125 #endif /* _UAPI_LINUX_RXRPC_H */ 126