/usr/include/ns3.27/ns3/block-ack-cache.h is in libns3-dev 3.27+dfsg-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 | /* -*- Mode:C++; c-file-style:"gnu"; indent-tabs-mode:nil; -*- */
/*
* Copyright (c) 2010 MIRKO BANCHI
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation;
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
* Author: Mirko Banchi <mk.banchi@gmail.com>
*/
#ifndef BLOCK_ACK_CACHE_H
#define BLOCK_ACK_CACHE_H
#include <stdint.h>
namespace ns3 {
class WifiMacHeader;
class CtrlBAckResponseHeader;
/**
* \ingroup wifi
* \brief BlockAckCache cache
*
*/
class BlockAckCache
{
public:
/**
* Init function
* \param winStart the window start
* \param winSize the window size
*/
void Init (uint16_t winStart, uint16_t winSize);
/**
* Update with MPDU function
* \param hdr the wifi MAC header
*/
void UpdateWithMpdu (const WifiMacHeader *hdr);
/**
* Update with block ack request function
* \param startingSeq the starting sequence
*/
void UpdateWithBlockAckReq (uint16_t startingSeq);
/**
* When an A-MPDU is received, the window start may change to a new value
* depending on the sequence number of the received MPDU (standard11n page 134).
* This function is used to retrieve this value in order to add it to the BlockAck.
* \returns window start
*/
uint16_t GetWinStart (void) const;
/**
* Fill block ack bitmap function
* \param blockAckHeader the block ack bitmap
*/
void FillBlockAckBitmap (CtrlBAckResponseHeader *blockAckHeader);
private:
/**
* Reset portion of bitmap functiion
* \param start the starting position
* \param end the ending position
*/
void ResetPortionOfBitmap (uint16_t start, uint16_t end);
/**
* Is in window function
* \param seq the sequence
* \returns true if is in the window
*/
bool IsInWindow (uint16_t seq) const;
uint16_t m_winStart; ///< window start
uint8_t m_winSize; ///< window size
uint16_t m_winEnd; ///< window end
uint16_t m_bitmap[4096]; ///< bitmap
};
} //namespace ns3
#endif /* BLOCK_ACK_CACHE_H */
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