Xenomai  3.0.8
net.h
1 /***
2  *
3  * RTnet - real-time networking subsystem
4  * Copyright (C) 2005-2011 Jan Kiszka <jan.kiszka@web.de>
5  *
6  * This program is free software; you can redistribute it and/or modify
7  * it under the terms of the GNU General Public License as published by
8  * the Free Software Foundation; either version 2 of the License, or
9  * (at your option) any later version.
10  *
11  * This program is distributed in the hope that it will be useful,
12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14  * GNU General Public License for more details.
15  *
16  * You should have received a copy of the GNU General Public License
17  * along with this program; if not, write to the Free Software
18  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19  *
20  * As a special exception to the GNU General Public license, the RTnet
21  * project allows you to use this header file in unmodified form to produce
22  * application programs executing in user-space which use RTnet services by
23  * normal system calls. The resulting executable will not be covered by the
24  * GNU General Public License merely as a result of this header file use.
25  * Instead, this header file use will be considered normal use of RTnet and
26  * not a "derived work" in the sense of the GNU General Public License.
27  *
28  * This exception does not apply when the application code is built as a
29  * static or dynamically loadable portion of the Linux kernel nor does the
30  * exception override other reasons justifying application of the GNU General
31  * Public License.
32  *
33  * This exception applies only to the code released by the RTnet project
34  * under the name RTnet and bearing this exception notice. If you copy code
35  * from other sources into a copy of RTnet, the exception does not apply to
36  * the code that you add in this way.
37  *
38  */
39 
40 #ifndef _RTDM_UAPI_NET_H
41 #define _RTDM_UAPI_NET_H
42 
43 /* sub-classes: RTDM_CLASS_NETWORK */
44 #define RTDM_SUBCLASS_RTNET 0
45 
46 #define RTIOC_TYPE_NETWORK RTDM_CLASS_NETWORK
47 
48 /* RTnet-specific IOCTLs */
49 #define RTNET_RTIOC_XMITPARAMS _IOW(RTIOC_TYPE_NETWORK, 0x10, unsigned int)
50 #define RTNET_RTIOC_PRIORITY RTNET_RTIOC_XMITPARAMS /* legacy */
51 #define RTNET_RTIOC_TIMEOUT _IOW(RTIOC_TYPE_NETWORK, 0x11, int64_t)
52 /* RTNET_RTIOC_CALLBACK _IOW(RTIOC_TYPE_NETWORK, 0x12, ...
53  * IOCTL only usable inside the kernel. */
54 /* RTNET_RTIOC_NONBLOCK _IOW(RTIOC_TYPE_NETWORK, 0x13, unsigned int)
55  * This IOCTL is no longer supported (and it was buggy anyway).
56  * Use RTNET_RTIOC_TIMEOUT with any negative timeout value instead. */
57 #define RTNET_RTIOC_EXTPOOL _IOW(RTIOC_TYPE_NETWORK, 0x14, unsigned int)
58 #define RTNET_RTIOC_SHRPOOL _IOW(RTIOC_TYPE_NETWORK, 0x15, unsigned int)
59 
60 /* socket transmission priorities */
61 #define SOCK_MAX_PRIO 0
62 #define SOCK_DEF_PRIO SOCK_MAX_PRIO + \
63  (SOCK_MIN_PRIO-SOCK_MAX_PRIO+1)/2
64 #define SOCK_MIN_PRIO SOCK_NRT_PRIO - 1
65 #define SOCK_NRT_PRIO 31
66 
67 /* socket transmission channels */
68 #define SOCK_DEF_RT_CHANNEL 0 /* default rt xmit channel */
69 #define SOCK_DEF_NRT_CHANNEL 1 /* default non-rt xmit channel */
70 #define SOCK_USER_CHANNEL 2 /* first user-defined channel */
71 
72 /* argument construction for RTNET_RTIOC_XMITPARAMS */
73 #define SOCK_XMIT_PARAMS(priority, channel) ((priority) | ((channel) << 16))
74 
75 #endif /* !_RTDM_UAPI_NET_H */