/* ipv4/ip_input.h
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*
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* RTnet - real-time networking subsystem
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* Copyright (C) 1999,2000 Zentropic Computing, LLC
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* 2002 Ulrich Marx <marx@kammer.uni-hannover.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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#ifndef __RTNET_IP_INPUT_H_
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#define __RTNET_IP_INPUT_H_
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#include <rtskb.h>
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#include <stack_mgr.h>
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extern int rt_ip_rcv(struct rtskb *skb, struct rtpacket_type *pt);
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#if IS_ENABLED(CONFIG_XENO_DRIVERS_NET_ADDON_PROXY)
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typedef void (*rt_ip_fallback_handler_t)(struct rtskb *skb);
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/*
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* This hook can be used to register a fallback handler for incoming
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* IP packets. Typically this is done to move over to the standard Linux
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* IP protocol (e.g. for handling TCP).
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* Manipulating the fallback handler is expected to happen only when the
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* RTnetinterfaces are shut down (avoiding race conditions).
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*
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* Note that merging RT and non-RT traffic this way most likely breaks hard
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* real-time constraints!
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*/
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extern rt_ip_fallback_handler_t rt_ip_fallback_handler;
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#endif
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#endif /* __RTNET_IP_INPUT_H_ */
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