/***
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*
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* ipv4/icmp.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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* 2004, 2005 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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*/
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#ifndef __RTNET_ICMP_H_
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#define __RTNET_ICMP_H_
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#include <linux/init.h>
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#include <rtskb.h>
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#include <rtnet_rtpc.h>
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#include <ipv4/protocol.h>
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#define RT_ICMP_PRIO RTSKB_PRIO_VALUE(QUEUE_MIN_PRIO - 1, RTSKB_DEF_NRT_CHANNEL)
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#define ICMP_REPLY_POOL_SIZE 8
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void rt_icmp_queue_echo_request(struct rt_proc_call *call);
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void rt_icmp_dequeue_echo_request(struct rt_proc_call *call);
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void rt_icmp_cleanup_echo_requests(void);
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int rt_icmp_send_echo(u32 daddr, u16 id, u16 sequence, size_t msg_size);
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#ifdef CONFIG_XENO_DRIVERS_NET_RTIPV4_ICMP
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void __init rt_icmp_init(void);
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void rt_icmp_release(void);
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#else /* !CONFIG_XENO_DRIVERS_NET_RTIPV4_ICMP */
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#define rt_icmp_init() \
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do { \
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} while (0)
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#define rt_icmp_release() \
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do { \
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} while (0)
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#endif /* CONFIG_XENO_DRIVERS_NET_RTIPV4_ICMP */
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#endif /* __RTNET_ICMP_H_ */
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