/***
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*
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* RTnet - real-time networking subsystem
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* Copyright (C) 2005-2011 Jan Kiszka <jan.kiszka@web.de>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*
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* As a special exception to the GNU General Public license, the RTnet
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* project allows you to use this header file in unmodified form to produce
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* application programs executing in user-space which use RTnet services by
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* normal system calls. The resulting executable will not be covered by the
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* GNU General Public License merely as a result of this header file use.
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* Instead, this header file use will be considered normal use of RTnet and
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* not a "derived work" in the sense of the GNU General Public License.
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*
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* This exception does not apply when the application code is built as a
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* static or dynamically loadable portion of the Linux kernel nor does the
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* exception override other reasons justifying application of the GNU General
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* Public License.
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*
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* This exception applies only to the code released by the RTnet project
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* under the name RTnet and bearing this exception notice. If you copy code
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* from other sources into a copy of RTnet, the exception does not apply to
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* the code that you add in this way.
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*
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*/
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#ifndef _RTDM_UAPI_NET_H
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#define _RTDM_UAPI_NET_H
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/* sub-classes: RTDM_CLASS_NETWORK */
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#define RTDM_SUBCLASS_RTNET 0
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#define RTIOC_TYPE_NETWORK RTDM_CLASS_NETWORK
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/* RTnet-specific IOCTLs */
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#define RTNET_RTIOC_XMITPARAMS _IOW(RTIOC_TYPE_NETWORK, 0x10, unsigned int)
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#define RTNET_RTIOC_PRIORITY RTNET_RTIOC_XMITPARAMS /* legacy */
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#define RTNET_RTIOC_TIMEOUT _IOW(RTIOC_TYPE_NETWORK, 0x11, int64_t)
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/* RTNET_RTIOC_CALLBACK _IOW(RTIOC_TYPE_NETWORK, 0x12, ...
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* IOCTL only usable inside the kernel. */
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/* RTNET_RTIOC_NONBLOCK _IOW(RTIOC_TYPE_NETWORK, 0x13, unsigned int)
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* This IOCTL is no longer supported (and it was buggy anyway).
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* Use RTNET_RTIOC_TIMEOUT with any negative timeout value instead. */
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#define RTNET_RTIOC_EXTPOOL _IOW(RTIOC_TYPE_NETWORK, 0x14, unsigned int)
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#define RTNET_RTIOC_SHRPOOL _IOW(RTIOC_TYPE_NETWORK, 0x15, unsigned int)
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/* socket transmission priorities */
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#define SOCK_MAX_PRIO 0
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#define SOCK_DEF_PRIO SOCK_MAX_PRIO + \
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(SOCK_MIN_PRIO-SOCK_MAX_PRIO+1)/2
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#define SOCK_MIN_PRIO SOCK_NRT_PRIO - 1
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#define SOCK_NRT_PRIO 31
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/* socket transmission channels */
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#define SOCK_DEF_RT_CHANNEL 0 /* default rt xmit channel */
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#define SOCK_DEF_NRT_CHANNEL 1 /* default non-rt xmit channel */
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#define SOCK_USER_CHANNEL 2 /* first user-defined channel */
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/* argument construction for RTNET_RTIOC_XMITPARAMS */
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#define SOCK_XMIT_PARAMS(priority, channel) ((priority) | ((channel) << 16))
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#endif /* !_RTDM_UAPI_NET_H */
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