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dgisselq |
////////////////////////////////////////////////////////////////////////////////
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//
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// Filename: ipcksum.h
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//
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// Project: OpenArty, an entirely open SoC based upon the Arty platform
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//
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// Purpose: To calculate (and return) an IP checksum on a section of data.
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// The data must be contiguous in memory, and the checksum field
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// (which is usually a part of it) must be blank when calling this
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// function.
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//
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// Creator: Dan Gisselquist, Ph.D.
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// Gisselquist Technology, LLC
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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// Copyright (C) 2015-2016, Gisselquist Technology, LLC
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//
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// This program is free software (firmware): you can redistribute it and/or
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// modify it under the terms of the GNU General Public License as published
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// by the Free Software Foundation, either version 3 of the License, or (at
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// 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, but WITHOUT
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// ANY WARRANTY; without even the implied warranty of MERCHANTIBILITY or
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// FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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// for more details.
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//
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// You should have received a copy of the GNU General Public License along
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// with this program. (It's in the $(ROOT)/doc directory, run make with no
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// target there if the PDF file isn't present.) If not, see
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// <http://www.gnu.org/licenses/> for a copy.
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//
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// License: GPL, v3, as defined and found on www.gnu.org,
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// http://www.gnu.org/licenses/gpl.html
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//
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//
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////////////////////////////////////////////////////////////////////////////////
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//
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//
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#ifndef IPCKSUM_H
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#define IPCKSUM_H
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extern unsigned ipcksum(int len, unsigned *ptr);
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#endif
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