85 lines
2.5 KiB
C
85 lines
2.5 KiB
C
/*
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* Copyright (c) 2017, Peter Haag
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* Copyright (c) 2014, Peter Haag
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions are met:
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*
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* * Redistributions of source code must retain the above copyright notice,
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* this list of conditions and the following disclaimer.
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* * Redistributions in binary form must reproduce the above copyright notice,
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* this list of conditions and the following disclaimer in the documentation
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* and/or other materials provided with the distribution.
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* * Neither the name of the author nor the names of its contributors may be
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* used to endorse or promote products derived from this software without
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* specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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* AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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* LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*
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*/
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#ifndef _IPFRAG_H
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#define _IPFRAG_H 1
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#include "config.h"
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#include <sys/types.h>
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#ifdef HAVE_STDINT_H
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#include <stdint.h>
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#endif
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#include "rbtree.h"
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typedef struct hole_s {
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struct hole_s *next;
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uint32_t first;
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uint32_t last;
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} hole_t;
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struct IPFragNode {
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// tree
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RB_ENTRY(IPFragNode) entry;
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// flow key
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// IP addr
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uint32_t src_addr;
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uint32_t dst_addr;
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uint32_t ident;
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// End of flow key
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uint32_t data_size;
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// packet data
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void *data;
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void *eod;
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hole_t *holes;
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};
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typedef struct IPFragNode IPFragNode_t;
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/* flow tree type */
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typedef RB_HEAD(IPFragTree, IPFragNode) IPFragTree_t;
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// Insert the RB prototypes here
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RB_PROTOTYPE(IPFragTree, IPFragNode, entry, IPFragNodeCMP);
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int IPFragTree_init(void);
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void IPFragTree_free(void);
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void *IPFrag_tree_Update(uint32_t src, uint32_t dst, uint32_t ident, uint32_t *length, uint32_t ip_off, void *data);
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uint32_t IPFragEntries(void);
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#endif
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