| 1 | /*
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| 2 | * Copyright (c) 2009 Lukas Mejdrech
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup tcp
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| 30 | * @{
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| 31 | */
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| 32 |
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| 33 | /** @file
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| 34 | * TCP options definitions.
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| 35 | */
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| 36 |
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| 37 | #ifndef __NET_TCP_CODES_H__
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| 38 | #define __NET_TCP_CODES_H__
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| 39 |
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| 40 | /** End of list TCP option.
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| 41 | */
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| 42 | #define TCPOPT_END_OF_LIST 0x0
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| 43 |
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| 44 | /** No operation TCP option.
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| 45 | */
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| 46 | #define TCPOPT_NO_OPERATION 0x1
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| 47 |
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| 48 | /** Maximum segment size TCP option.
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| 49 | */
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| 50 | #define TCPOPT_MAX_SEGMENT_SIZE 0x2
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| 51 |
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| 52 | /** Maximum segment size TCP option length.
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| 53 | */
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| 54 | #define TCPOPT_MAX_SEGMENT_SIZE_LENGTH 4
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| 55 |
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| 56 | /** Window scale TCP option.
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| 57 | */
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| 58 | #define TCPOPT_WINDOW_SCALE 0x3
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| 59 |
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| 60 | /** Window scale TCP option length.
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| 61 | */
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| 62 | #define TCPOPT_WINDOW_SCALE_LENGTH 3
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| 63 |
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| 64 | /** Selective acknowledgement permitted TCP option.
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| 65 | */
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| 66 | #define TCPOPT_SACK_PERMITTED 0x4
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| 67 |
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| 68 | /** Selective acknowledgement permitted TCP option length.
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| 69 | */
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| 70 | #define TCPOPT_SACK_PERMITTED_LENGTH 2
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| 71 |
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| 72 | /** Selective acknowledgement TCP option.
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| 73 | * Has variable length.
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| 74 | */
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| 75 | #define TCPOPT_SACK 0x5
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| 76 |
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| 77 | /** Timestamp TCP option.
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| 78 | */
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| 79 | #define TCPOPT_TIMESTAMP 0x8
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| 80 |
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| 81 | /** Timestamp TCP option length.
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| 82 | */
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| 83 | #define TCPOPT_TIMESTAMP_LENGTH 10
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| 84 |
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| 85 | #endif
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| 86 |
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| 87 | /** @}
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| 88 | */
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