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1/* AF_RXRPC parameters
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 License
8 * as published by the Free Software Foundation; either version
9 * 2 of the License, or (at your option) any later version.
10 */
11
12#ifndef _LINUX_RXRPC_H
13#define _LINUX_RXRPC_H
14
15#include <linux/in.h>
16#include <linux/in6.h>
17
18/*
19 * RxRPC socket address
20 */
21struct sockaddr_rxrpc {
22 sa_family_t srx_family; /* address family */
23 u16 srx_service; /* service desired */
24 u16 transport_type; /* type of transport socket (SOCK_DGRAM) */
25 u16 transport_len; /* length of transport address */
26 union {
27 sa_family_t family; /* transport address family */
28 struct sockaddr_in sin; /* IPv4 transport address */
29 struct sockaddr_in6 sin6; /* IPv6 transport address */
30 } transport;
31};
32
33/*
34 * RxRPC socket options
35 */
36#define RXRPC_SECURITY_KEY 1 /* [clnt] set client security key */
37#define RXRPC_SECURITY_KEYRING 2 /* [srvr] set ring of server security keys */
38#define RXRPC_EXCLUSIVE_CONNECTION 3 /* Deprecated; use RXRPC_EXCLUSIVE_CALL instead */
39#define RXRPC_MIN_SECURITY_LEVEL 4 /* minimum security level */
40#define RXRPC_UPGRADEABLE_SERVICE 5 /* Upgrade service[0] -> service[1] */
41#define RXRPC_SUPPORTED_CMSG 6 /* Get highest supported control message type */
42
43/*
44 * RxRPC control messages
45 * - If neither abort or accept are specified, the message is a data message.
46 * - terminal messages mean that a user call ID tag can be recycled
47 * - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg()
48 */
49enum rxrpc_cmsg_type {
50 RXRPC_USER_CALL_ID = 1, /* sr: user call ID specifier */
51 RXRPC_ABORT = 2, /* sr: abort request / notification [terminal] */
52 RXRPC_ACK = 3, /* -r: [Service] RPC op final ACK received [terminal] */
53 RXRPC_NET_ERROR = 5, /* -r: network error received [terminal] */
54 RXRPC_BUSY = 6, /* -r: server busy received [terminal] */
55 RXRPC_LOCAL_ERROR = 7, /* -r: local error generated [terminal] */
56 RXRPC_NEW_CALL = 8, /* -r: [Service] new incoming call notification */
57 RXRPC_ACCEPT = 9, /* s-: [Service] accept request */
58 RXRPC_EXCLUSIVE_CALL = 10, /* s-: Call should be on exclusive connection */
59 RXRPC_UPGRADE_SERVICE = 11, /* s-: Request service upgrade for client call */
60 RXRPC_TX_LENGTH = 12, /* s-: Total length of Tx data */
61 RXRPC__SUPPORTED
62};
63
64/*
65 * RxRPC security levels
66 */
67#define RXRPC_SECURITY_PLAIN 0 /* plain secure-checksummed packets only */
68#define RXRPC_SECURITY_AUTH 1 /* authenticated packets */
69#define RXRPC_SECURITY_ENCRYPT 2 /* encrypted packets */
70
71/*
72 * RxRPC security indices
73 */
74#define RXRPC_SECURITY_NONE 0 /* no security protocol */
75#define RXRPC_SECURITY_RXKAD 2 /* kaserver or kerberos 4 */
76#define RXRPC_SECURITY_RXGK 4 /* gssapi-based */
77#define RXRPC_SECURITY_RXK5 5 /* kerberos 5 */
78
79#endif /* _LINUX_RXRPC_H */