include/linux/rxrpc.h

   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  */
  21 struct 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
  41 /*
  42  * RxRPC control messages
  43  * - If neither abort or accept are specified, the message is a data message.
  44  * - terminal messages mean that a user call ID tag can be recycled
  45  * - s/r/- indicate whether these are applicable to sendmsg() and/or recvmsg()
  46  */
  47 #define RXRPC_USER_CALL_ID      1       /* sr: user call ID specifier */
  48 #define RXRPC_ABORT             2       /* sr: abort request / notification [terminal] */
  49 #define RXRPC_ACK               3       /* -r: [Service] RPC op final ACK received [terminal] */
  50 #define RXRPC_NET_ERROR         5       /* -r: network error received [terminal] */
  51 #define RXRPC_BUSY              6       /* -r: server busy received [terminal] */
  52 #define RXRPC_LOCAL_ERROR       7       /* -r: local error generated [terminal] */
  53 #define RXRPC_NEW_CALL          8       /* -r: [Service] new incoming call notification */
  54 #define RXRPC_ACCEPT            9       /* s-: [Service] accept request */
  55 #define RXRPC_EXCLUSIVE_CALL    10      /* s-: Call should be on exclusive connection */
  56
  57 /*
  58  * RxRPC security levels
  59  */
  60 #define RXRPC_SECURITY_PLAIN    0       /* plain secure-checksummed packets only */
  61 #define RXRPC_SECURITY_AUTH     1       /* authenticated packets */
  62 #define RXRPC_SECURITY_ENCRYPT  2       /* encrypted packets */
  63
  64 /*
  65  * RxRPC security indices
  66  */
  67 #define RXRPC_SECURITY_NONE     0       /* no security protocol */
  68 #define RXRPC_SECURITY_RXKAD    2       /* kaserver or kerberos 4 */
  69 #define RXRPC_SECURITY_RXGK     4       /* gssapi-based */
  70 #define RXRPC_SECURITY_RXK5     5       /* kerberos 5 */
  71
  72 #endif /* _LINUX_RXRPC_H */