/* 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_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_CHARGE_ACCEPT = 14, /* s-: Charge the accept pool with a user call ID */ 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 */