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# Ignore default output directories
/bin/
/obj/
/data/
/tmp/
/.vscode/
MainWindow.glade~
poznamky
# Ignore compiled sources in any directory
/**/*.o

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The GNU General Public License does not permit incorporating your program
into proprietary programs. If your program is a subroutine library, you
may consider it more useful to permit linking proprietary applications with
the library. If this is what you want to do, use the GNU Lesser General
Public License instead of this License. But first, please read
<http://www.gnu.org/philosophy/why-not-lgpl.html>.

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<?xml version="1.0" encoding="UTF-8"?>
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<interface>
<requires lib="gtk+" version="3.24"/>
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<property name="modal">True</property>
<property name="type-hint">dialog</property>
<property name="message-type">error</property>
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<child internal-child="action_area">
<object class="GtkButtonBox">
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<property name="layout-style">end</property>
<child>
<placeholder/>
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<child>
<object class="GtkButton" id="errorDialogOkBtn">
<property name="label" translatable="yes">Ok</property>
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</child>
</object>
<object class="GtkFileChooserDialog" id="filechooserdialog1">
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<child internal-child="action_area">
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<object class="GtkAdjustment" id="frequencySpin">
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<property name="upper">7125</property>
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<object class="GtkAdjustment" id="injectDelaySpin">
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<property name="value">100000</property>
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<object class="GtkAdjustment" id="injectRepeatSpin">
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<object class="GtkApplicationWindow" id="MainWindow">
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<object class="GtkBox">
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<property name="can-focus">False</property>
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<object class="GtkNotebook">
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<property name="can-focus">True</property>
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<object class="GtkScrolledWindow">
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<property name="hscrollbar-policy">never</property>
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<object class="GtkViewport">
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<child>
<!-- n-columns=2 n-rows=18 -->
<object class="GtkGrid">
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<property name="margin-start">8</property>
<property name="margin-end">8</property>
<property name="margin-top">8</property>
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<object class="GtkLabel">
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<property name="label" translatable="yes">Frequency [MHz]:</property>
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<object class="GtkLabel">
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<property name="label" translatable="yes">Channel width [MHz]:</property>
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<child>
<object class="GtkLabel">
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<property name="label" translatable="yes">MCS index:</property>
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<object class="GtkLabel">
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<property name="halign">start</property>
<property name="label" translatable="yes">Save CSI to:</property>
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<child>
<object class="GtkLabel">
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<property name="halign">start</property>
<property name="label" translatable="yes">Spatial streams:</property>
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<object class="GtkComboBoxText" id="mcs">
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<object class="GtkLabel">
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<property name="label" translatable="yes">Basic settings</property>
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<attribute name="weight" value="bold"/>
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<object class="GtkLabel">
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<property name="label" translatable="yes">Inject settings</property>
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<attribute name="weight" value="bold"/>
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<object class="GtkLabel">
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<property name="label" translatable="yes">Guard interval [ns]:</property>
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<object class="GtkComboBoxText" id="guardInterval">
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<child>
<object class="GtkLabel">
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<property name="label" translatable="yes">TX power [dBm]:</property>
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<child>
<object class="GtkComboBoxText" id="txPower">
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<item id="5" translatable="yes">5</item>
<item id="6" translatable="yes">6</item>
<item id="7" translatable="yes">7</item>
<item id="8" translatable="yes">8</item>
<item id="9" translatable="yes">9</item>
<item id="10" translatable="yes">10</item>
<item id="11" translatable="yes">11</item>
<item id="12" translatable="yes">12</item>
<item id="13" translatable="yes">13</item>
<item id="14" translatable="yes">14</item>
<item id="15" translatable="yes">15</item>
<item id="16" translatable="yes">16</item>
<item id="17" translatable="yes">17</item>
<item id="18" translatable="yes">18</item>
<item id="19" translatable="yes">19</item>
<item id="20" translatable="yes">20</item>
<item id="21" translatable="yes">21</item>
<item id="22" translatable="yes">22</item>
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<object class="GtkLabel">
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<property name="label" translatable="yes">Format:</property>
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<child>
<object class="GtkComboBoxText" id="format">
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<item id="NOHT" translatable="yes">NOHT</item>
<item id="HT" translatable="yes">HT</item>
<item id="VHT" translatable="yes">VHT</item>
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<object class="GtkLabel">
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<object class="GtkComboBoxText" id="coding">
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<items>
<item id="BCC" translatable="yes">BCC</item>
<item id="LDPC" translatable="yes">LDPC</item>
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<class name="BCC"/>
<class name="LDPC"/>
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<object class="GtkLabel">
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<property name="label" translatable="yes">Inject delay [us]:</property>
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<child>
<object class="GtkLabel">
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<property name="label" translatable="yes">Inject repeat:</property>
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<child>
<object class="GtkLabel" id="errorMessages">
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<attributes>
<attribute name="weight" value="bold"/>
<attribute name="foreground" value="#e0e01b1b2424"/>
<attribute name="background" value="#f9f9f0f06b6b"/>
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<child>
<object class="GtkLabel" id="filePath">
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<property name="wrap">True</property>
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<item id="HT40-" translatable="yes">HT40-</item>
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<object class="GtkSpinButton" id="frequency">
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<property name="adjustment">frequencySpin</property>
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</child>
<child>
<object class="GtkSpinButton" id="injectDelay">
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<object class="GtkSpinButton" id="injectRepeat">
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<property name="adjustment">injectRepeatSpin</property>
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<object class="GtkButton" id="measureButton">
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<object class="GtkButton" id="injectButton">
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<object class="GtkLabel">
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<property name="label" translatable="yes">LTF:</property>
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<item id="2xLTF+0.8" translatable="yes">2xLTF+0.8</item>
<item id="2xLTF+1.6" translatable="yes">2xLTF+1.6</item>
<item id="4xLTF+3.2" translatable="yes">4xLTF+3.2</item>
<item id="4xLTF+0.8" translatable="yes">4xLTF+0.8</item>
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<property name="dialog">filechooserdialog1</property>
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<child type="tab">
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<property name="label" translatable="yes">Measuring / Injecting</property>
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<property name="tab-fill">False</property>
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<object class="GtkScrolledWindow">
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<property name="hscrollbar-policy">never</property>
<property name="shadow-type">in</property>
<property name="propagate-natural-width">True</property>
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<object class="GtkViewport">
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<property name="can-focus">False</property>
<child>
<!-- n-columns=2 n-rows=9 -->
<object class="GtkGrid">
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<object class="GtkLabel">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="halign">start</property>
<property name="label" translatable="yes">Raw CSI file:</property>
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<child>
<object class="GtkFileChooserButton" id="inputFile">
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<object class="GtkLabel">
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<property name="label" translatable="yes">Current data:</property>
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<child>
<object class="GtkLabel" id="currentDataCount">
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<property name="can-focus">False</property>
<property name="label" translatable="yes">1/235</property>
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<property name="top-attach">2</property>
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</child>
<child>
<object class="GtkButton" id="previousCsiButton">
<property name="label" translatable="yes">⬅ previous</property>
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<property name="can-focus">True</property>
<property name="receives-default">True</property>
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<packing>
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<property name="top-attach">3</property>
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<child>
<object class="GtkButton" id="nextCsiButton">
<property name="label" translatable="yes">next ➡</property>
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<property name="can-focus">True</property>
<property name="receives-default">True</property>
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<child>
<object class="GtkLabel">
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<property name="can-focus">False</property>
<property name="halign">start</property>
<property name="label" translatable="yes">Data</property>
<attributes>
<attribute name="weight" value="bold"/>
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<property name="width">2</property>
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<child>
<object class="GtkLabel">
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<property name="can-focus">False</property>
<property name="halign">start</property>
<property name="label" translatable="yes">Interpolation</property>
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<attribute name="weight" value="bold"/>
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<property name="top-attach">4</property>
<property name="width">2</property>
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<child>
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<property name="can-focus">True</property>
<property name="receives-default">False</property>
<property name="active">True</property>
<property name="draw-indicator">True</property>
<property name="group">interpolationNone</property>
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<property name="top-attach">5</property>
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<child>
<object class="GtkRadioButton" id="interpolationCosineButton">
<property name="label" translatable="yes">Cosine</property>
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<property name="can-focus">True</property>
<property name="receives-default">False</property>
<property name="active">True</property>
<property name="draw-indicator">True</property>
<property name="group">interpolationNone</property>
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<child>
<object class="GtkRadioButton" id="interpolationCubicRadioButton">
<property name="label" translatable="yes">Cubic</property>
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="receives-default">False</property>
<property name="active">True</property>
<property name="draw-indicator">True</property>
<property name="group">interpolationNone</property>
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</child>
<child>
<object class="GtkRadioButton" id="interpolationNone">
<property name="label" translatable="yes">None</property>
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="receives-default">False</property>
<property name="active">True</property>
<property name="draw-indicator">True</property>
</object>
<packing>
<property name="left-attach">0</property>
<property name="top-attach">5</property>
</packing>
</child>
<child>
<object class="GtkLabel">
<property name="visible">True</property>
<property name="can-focus">False</property>
<property name="label" translatable="yes">Phase linear transform</property>
<attributes>
<attribute name="weight" value="bold"/>
</attributes>
</object>
<packing>
<property name="left-attach">0</property>
<property name="top-attach">7</property>
</packing>
</child>
<child>
<object class="GtkCheckButton" id="phaseLinearTransformCheckButton">
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="receives-default">False</property>
<property name="valign">center</property>
<property name="draw-indicator">True</property>
</object>
<packing>
<property name="left-attach">1</property>
<property name="top-attach">7</property>
</packing>
</child>
<child>
<object class="GtkButton" id="processingSaveGtkButton">
<property name="label" translatable="yes">Save processed CSI</property>
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="receives-default">True</property>
</object>
<packing>
<property name="left-attach">0</property>
<property name="top-attach">8</property>
<property name="width">2</property>
</packing>
</child>
</object>
</child>
</object>
</child>
</object>
<packing>
<property name="position">1</property>
</packing>
</child>
<child type="tab">
<object class="GtkLabel">
<property name="sensitive">False</property>
<property name="can-focus">False</property>
<property name="label" translatable="yes">Processing</property>
</object>
<packing>
<property name="position">1</property>
<property name="tab-fill">False</property>
</packing>
</child>
</object>
<packing>
<property name="expand">False</property>
<property name="fill">True</property>
<property name="position">0</property>
</packing>
</child>
<child>
<object class="GtkPaned" id="socketConsolePaned">
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="orientation">vertical</property>
<child>
<object class="GtkSocket" id="chartSocket">
<property name="visible">True</property>
<property name="can-focus">True</property>
</object>
<packing>
<property name="resize">False</property>
<property name="shrink">True</property>
</packing>
</child>
<child>
<object class="GtkScrolledWindow" id="consoleScrollbar">
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="window-placement">bottom-left</property>
<property name="shadow-type">in</property>
<child>
<object class="GtkTextView" id="console">
<property name="visible">True</property>
<property name="can-focus">True</property>
<property name="editable">False</property>
<property name="wrap-mode">word</property>
<property name="cursor-visible">False</property>
<property name="accepts-tab">False</property>
</object>
</child>
</object>
<packing>
<property name="resize">True</property>
<property name="shrink">True</property>
</packing>
</child>
</object>
<packing>
<property name="expand">True</property>
<property name="fill">True</property>
<property name="position">1</property>
</packing>
</child>
</object>
</child>
</object>
<object class="GtkListStore" id="mcsValues">
<columns>
<!-- column-name guchar1 -->
<column type="guchar"/>
</columns>
<data>
<row>
<col id="0">a</col>
</row>
<row>
<col id="0">s</col>
</row>
</data>
</object>
<object class="GtkListStore" id="spatialStreamsValues">
<columns>
<!-- column-name guint1 -->
<column type="guint"/>
</columns>
<data>
<row>
<col id="0">1</col>
</row>
<row>
<col id="0">2</col>
</row>
</data>
</object>
</interface>

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# Target
BIN_DIR = bin
BIN = $(BIN_DIR)/app
# Match all sources in src direcotry
SRCS_DIR = src
SRCS = $(wildcard $(SRCS_DIR)/**/*.cpp $(SRCS_DIR)/*.cpp)
# Builds object list from sources, substitues .cpp for .o
OBJS_DIR = obj
OBJS = $(patsubst $(SRCS_DIR)/%.cpp,$(OBJS_DIR)/%.o,$(SRCS))
# Include headers files
INCLUDE_DIRS = include include/gui lib/include
INCLUDE = $(foreach includedir,$(INCLUDE_DIRS),-I$(includedir))
# Search libraries in following directories
INCLUDE_LIB_DIRS =
INCLUDE_LIB = $(foreach includedir,$(INCLUDE_LIB_DIRS),-L$(includedir))
# Set compiler, preprocesor and linker flags
CXXFLAGS += -g -O3 -Wall -std=c++17 $(INCLUDE)
CPPFLAGS += `pkg-config --cflags gtkmm-3.0 libnl-3.0 libnl-genl-3.0 libpcap`
LDFLAGS += $(INCLUDE_LIB)
LDLIBS += `pkg-config --libs gtkmm-3.0 libnl-3.0 libnl-genl-3.0 libpcap`
# Set other tools
MKDIR = mkdir -p
# Avoid filename conflicts
.PHONY: all clean
# Rules
all: $(BIN)
$(OBJS_DIR)/%.o: $(SRCS_DIR)/%.cpp
@$(MKDIR) $(dir $@)
$(CXX) $(CPPFLAGS) $(CXXFLAGS) -c $< -o $@
$(BIN): $(OBJS)
@$(MKDIR) $(dir $@)
$(CXX) $(LDFLAGS) $^ $(LDLIBS) -o $@
install:
cp $(BIN) /usr/local/bin/feitcsi
uninstall:
rm /usr/local/bin/feitcsi
clean:
@$(RM) $(BIN)
@$(RM) $(OBJS)

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef CSI_H
#define CSI_H
#include <cstdint>
#include <string>
#include <complex>
#include <vector>
#define CSI_HEADER_LENGTH 272
struct RawHeaderData
{
uint32_t csiDataSize;
uint32_t space4;
uint32_t ftmClock;
uint8_t space12[34];
uint8_t numRx;
uint8_t numTx;
uint8_t space48[4];
uint32_t numSubCarriers;
uint8_t space54[4];
uint32_t rssi1;
uint32_t rssi2;
uint8_t srcMac[6];
uint8_t space75[18];
uint32_t rateNflag;
uint32_t space96[44];
};
class Csi
{
public:
Csi();
~Csi();
// void load(uint8_t *data, uint32_t size);
void loadFromFile(std::string fileName);
void loadFromMemory(uint8_t *pHeader, uint8_t *rawCsiData);
void loadFromMemory(uint8_t *rawData);
void save();
void backup();
void restore();
void magnitudePhaseToComplex();
void recalcMagnitudePhase();
void unwrapPhase();
const std::vector<uint32_t> getPilotIndices();
RawHeaderData rawHeaderData;
uint32_t numRx;
uint32_t numTx;
uint32_t numSubCarriers = 0;
uint32_t format = 0;
uint32_t channelWidth = 0;
std::vector<std::complex<double>> csi;
std::vector<std::complex<double>> csiBackup;
std::vector<double> magnitude;
std::vector<double> phase;
private:
const std::vector<uint32_t> NO_NHT_20_PILOT_INDICES = {5, 19, 32, 46}; // 52 subcarriers
const std::vector<uint32_t> HT_VHT_20_PILOT_INDICES = {7, 21, 34, 48}; // 56 subcarriers
const std::vector<uint32_t> HT_VHT_40_PILOT_INDICES = {5, 33, 47, 66, 80, 108}; // 114 subcarriers
const std::vector<uint32_t> VHT_80_PILOT_INDICES = {19, 47, 83, 111, 130, 158, 194, 222}; // 242 subcarriers
const std::vector<uint32_t> VHT_160_PILOT_INDICES = {19, 47, 83, 111, 130, 158, 194, 222, 261, 289, 325, 353, 372, 400, 436, 464}; // 484 subcarriers
const std::vector<uint32_t> HE_20_PILOT_INDICES = {6, 32, 74, 100, 141, 167, 209, 235}; // 242 subcarriers
const std::vector<uint32_t> HE_40_PILOT_INDICES = {6, 32, 74, 100, 140, 166, 208, 234, 249, 275, 317, 343, 383, 409, 451, 477}; // 484 subcarriers
const std::vector<uint32_t> HE_80_PILOT_INDICES = {32, 100, 166, 234, 274, 342, 408, 476, 519, 587, 653, 721, 761, 829, 895, 963}; // 996 subcarriers
const std::vector<uint32_t> HE_160_PILOT_INDICES = {32, 100, 166, 234, 274, 342, 408, 476, 519, 587, 653, 721, 761, 829, 895, 963, 1028, 1096, 1162, 1230, 1270, 1338, 1404, 1472, 1515, 1583, 1649, 1717, 1757, 1825, 1891, 1959}; // 1992 subcarriers
std::string saveFilePath;
uint8_t *rawCsiData = nullptr;
void fixCsiBug();
void processRawCsi();
double constrainAngle(double x);
double angleConv(double angle);
double angleDiff(double a, double b);
double unwrap(double previousAngle, double newAngle);
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef CSI_PROCESSOR_H
#define CSI_PROCESSOR_H
#include <string>
#include <vector>
#include "Csi.h"
#include "main.h"
class CsiProcessor
{
public:
std::vector<Csi*> csiData;
bool loadCsi();
void saveCsi();
void process(Csi &csi);
~CsiProcessor();
private:
void clearState();
void interpolate(Csi &csi, enum processor type);
void phaseCalibLinearTransform(Csi &csi);
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef LOGGER_H
#define LOGGER_H
#include <iostream>
#include <string>
#include <chrono>
#include <iomanip>
#include <gtkmm.h>
enum Level
{
debug,
error,
warning,
info
};
class Logger
{
std::ostream *stream; // set this in a constructor to point
// either to a file or console stream
public:
inline static Level debugLevel = info;
inline static Glib::RefPtr<Gtk::TextBuffer> guiOutput;
inline static Logger *INSTANCE = nullptr;
static Logger &log(Level n, bool persist = false)
{
if (INSTANCE && !persist)
{
delete INSTANCE;
INSTANCE = nullptr;
}
if (!INSTANCE)
{
INSTANCE = new Logger();
auto now = std::chrono::system_clock::now();
auto mcs = std::chrono::duration_cast<std::chrono::microseconds>(now.time_since_epoch()) % 1000000;
auto timer = std::chrono::system_clock::to_time_t(now);
std::tm bt = *std::localtime(&timer);
std::ostringstream oss;
oss << "[";
oss << std::put_time(&bt, "%H:%M:%S"); // HH:MM:SS
oss << '.' << std::setfill('0') << std::setw(6) << mcs.count();
oss << "] ";
*INSTANCE << oss.str().c_str();
}
Logger::debugLevel = n;
return *INSTANCE;
}
static gboolean guiLog(void *data)
{
std::string *msg = (std::string *)data;
Logger::guiOutput->insert_at_cursor(/* Logger::guiOutput->get_iter_at_offset(-1), */ *msg);
delete msg;
return G_SOURCE_REMOVE;
}
template <class T>
Logger &operator<<(const T &v)
{
if (Logger::guiOutput)
{
std::stringstream ss;
ss << v;
std::cout << ss.str();
std::string *d = new std::string(ss.str());
gdk_threads_add_idle(guiLog, (void*)d);
} else {
std::cout << v;
}
return *this;
}
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAIN_CONTROLLER_H
#define MAIN_CONTROLLER_H
#include "WiFiCsiController.h"
#include "WiFIController.h"
#include "PacketInjector.h"
#include "gui/MainWindow.h"
#include <thread>
class MainController
{
public:
static MainController *getInstance();
static void deleteInstance();
void runNoGui();
void measureCsi(bool stop = false);
void injectPackets(bool stop = false);
void runGui();
void initInterface();
~MainController();
private:
MainController();
inline static MainController *INSTANCE = nullptr;
inline static MainWindow *mainWindow = nullptr;
pthread_t measureCsiThread = 0;
pthread_t injectPacketThread = 0;
PacketInjector packetInjector;
WiFIController wifiController;
std::vector<InterfaceInfo> bkpInterfaces;
static void *measureCsi(void *arg);
static void intHandler(int dummy);
static void *injectPackets(void *arg);
void restoreState();
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef NETLINK_H
#define NETLINK_H
#include <linux/netlink.h>
#include <netlink/msg.h>
#include <linux/nl80211.h>
#include <string>
#include <vector>
#define ARRAY_SIZE(ar) (sizeof(ar) / sizeof(ar[0]))
enum commandIdentifiedBy
{
CIB_NONE,
CIB_PHY,
CIB_NETDEV,
CIB_WDEV,
};
struct nl80211_state
{
struct nl_sock *nl_sock;
int nl80211_id;
};
struct Cmd
{
uint8_t id;
commandIdentifiedBy idby;
int nlFlags;
signed long long device;
int (*handler)(struct nl80211_state *state, struct nl_msg *msg, void *arg);
int (*valid_handler)(struct nl_msg *msg, void *arg);
void *args;
};
class Netlink
{
public:
void init();
protected:
int nlExecCommand(Cmd &cmd);
private:
struct nl80211_state nlstate;
int nlInit(struct nl80211_state *state);
static int error_handler(sockaddr_nl *nla, nlmsgerr *err, void *arg);
static int finish_handler(nl_msg *msg, void *arg);
static int ack_handler(nl_msg *msg, void *arg);
static int nlValidHandler(nl_msg *msg, void *arg);
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef PACKET_INJECTOR_H
#define PACKET_INJECTOR_H
#include <stdint.h>
#include "ieee80211_radiotap.h"
#include "rs.h"
#define BIT(n) (0x1U << (n))
class PacketInjector
{
public:
void inject();
void injectNoHT();
void injectHT();
void injectVHT();
void injectHE();
private:
void send(uint32_t rateNFlags);
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef WIFI_CONTROLLER_H
#define WIFI_CONTROLLER_H
/* #define CONFIG_LIBNL30 // fix error compatibility iw
#include <iw/iw.h>
#include <iw/nl80211.h> */
#include "Netlink.h"
#include <linux/netlink.h>
#include <netlink/msg.h>
#include <linux/nl80211.h>
#include <string>
#include <vector>
#define ARRAY_SIZE(ar) (sizeof(ar) / sizeof(ar[0]))
struct InterfaceInfo
{
std::string ifName;
int ifIndex;
uint64_t wdev;
std::string mac;
std::string ssid;
int ifType;
int wiphy;
uint32_t freq;
int channel;
int channelWidth;
int centerFreq1;
int centerFreq2;
int channelType;
double txdBm;
};
struct ChanMode
{
const char *name;
unsigned int width;
int freq1_diff;
int chantype; /* for older kernel */
};
class WiFIController : public Netlink
{
public:
void killNetworkProcesses();
void getInterfaces();
void setTxPower();
void addMonitorDevice(const char *name, const nl80211_iftype type);
int setInterfaceUpDown(const char *ifName, bool up);
void setFreq(uint16_t freq, const char *bw);
void removeInterface(const char *name, int ifIndex = 0);
void getPhys();
static ChanMode getChanMode(const char *width);
static uint16_t chanModeToWidth(ChanMode &chanMode);
std::vector<InterfaceInfo> interfaces;
std::vector<int64_t> phys;
private:
std::string macN2a(const unsigned char *arg);
int freqToCHannel(int freq);
int phyLookup(char *name);
static int getCf1(const ChanMode *chanmode, unsigned long freq);
static int processGetInterfacesHandler(nl_msg *msg, void *arg);
static int processGetPhysHandler(nl_msg *msg, void *arg);
static int processSetFreq(nl80211_state *state, nl_msg *msg, void *arg);
static int setTxPowerHandler(nl80211_state *state, nl_msg *msg, void *arg);
static int processAddMonitorDeviceHandler(nl80211_state *state, nl_msg *msg, void *arg);
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef WIFI_CSI_CONTROLLER_H
#define WIFI_CSI_CONTROLLER_H
#include "Netlink.h"
#include "GnuPlot.h"
#define IWL_MVM_VENDOR_ATTR_CSI_HDR 0x4d
#define IWL_MVM_VENDOR_ATTR_CSI_DATA 0x4e
#define MAX_CMD 0x4f
class WiFiCsiController : public Netlink
{
public:
void init();
int listenToCsi();
void enableCsi(bool enable = true);
~WiFiCsiController();
private:
static int listenToCsiHandler(nl80211_state *state, nl_msg *msg, void *arg);
static int processListenToCsiHandler(nl_msg *msg, void *arg);
GnuPlot gnuPlot;
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef CSI_PROCESSING_WINDOW_H
#define CSI_PROCESSING_WINDOW_H
#include <gtkmm.h>
#include "CsiProcessor.h"
#include "GnuPlot.h"
class CsiProcessingWindow
{
public:
void init(Glib::RefPtr<Gtk::Builder> &builder);
private:
Glib::RefPtr<Gtk::FileChooserButton> inputFile;
Glib::RefPtr<Gtk::Label> currentDataCount;
Glib::RefPtr<Gtk::Button> previousCsiButton;
Glib::RefPtr<Gtk::Button> nextCsiButton;
Glib::RefPtr<Gtk::RadioButton> interpolationLinearRadioButton;
Glib::RefPtr<Gtk::RadioButton> interpolationCubicRadioButton;
Glib::RefPtr<Gtk::RadioButton> interpolationCosineButton;
Glib::RefPtr<Gtk::CheckButton> phaseLinearTransformCheckButton;
Glib::RefPtr<Gtk::Button> processingSaveGtkButton;
void inputFileChange();
void refresh();
void previousCsiButtonClicked();
void nextCsiButtonClicked();
void interpolationLinearRadioButtonClicked();
void interpolationCubicRadioButtonClicked();
void interpolationCosineButtonClicked();
void phaseLinearTransformCheckButtonClicked();
void processingSaveGtkButtonClicked();
CsiProcessor csiProcessor;
GnuPlot gnuPlot;
uint32_t currentIndex = 0;
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef GNU_PLOT_H
#define GNU_PLOT_H
#include <gtkmm.h>
#include <gtkmm/socket.h>
#include <Csi.h>
#include <string>
class GnuPlot
{
public:
void init();
void setWindow(uint64_t id);
void setBlank();
void reload();
void updateChart(Csi &csi);
private:
inline static std::string lastCmd;
inline static FILE *gnuPlotPipe;
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAIN_WINDOW_H
#define MAIN_WINDOW_H
#include <gtkmm.h>
#include "gui/GnuPlot.h"
#include "gui/CsiProcessingWindow.h"
class MainWindow : public Gtk::ApplicationWindow
{
Glib::RefPtr<Gtk::Builder> ui;
public:
MainWindow(BaseObjectType *obj, Glib::RefPtr<Gtk::Builder> const &builder);
void fatalError(std::string msg);
private:
int chartWidth = 0;
int chartHeight = 0;
bool measuring = false;
bool injecting = false;
CsiProcessingWindow csiProcessingWindow;
std::stringstream coutBuffer;
std::map<std::string, std::string> errors;
Glib::RefPtr<Gtk::Adjustment> consoleScrollbarAdjustment;
Glib::RefPtr<Gtk::Builder> builder;
Glib::RefPtr<Gtk::MessageDialog> errorDialog;
Glib::RefPtr<Gtk::Button> measureButton;
Glib::RefPtr<Gtk::Button> injectButton;
Glib::RefPtr<Gtk::SpinButton> frequency;
Glib::RefPtr<Gtk::ComboBoxText> channelWidth;
Glib::RefPtr<Gtk::FileChooserButton> outputFile;
Glib::RefPtr<Gtk::Label> filePath;
Glib::RefPtr<Gtk::ComboBoxText> format;
Glib::RefPtr<Gtk::ComboBoxText> mcs;
Glib::RefPtr<Gtk::ComboBoxText> spatialStreams;
Glib::RefPtr<Gtk::ComboBoxText> guardInterval;
Glib::RefPtr<Gtk::ComboBoxText> ltf;
Glib::RefPtr<Gtk::ComboBoxText> txPower;
Glib::RefPtr<Gtk::ComboBoxText> coding;
Glib::RefPtr<Gtk::SpinButton> injectDelay;
Glib::RefPtr<Gtk::SpinButton> injectRepeat;
Glib::RefPtr<Gtk::TextView> console;
Glib::RefPtr<Gtk::Label> errorMessages;
Glib::RefPtr<Gtk::Socket> chartSocket;
GnuPlot gnuPlot;
void closeButton();
bool onWindowDelete(GdkEventAny *event);
void onWindowInit();
void onResize();
void frequencyChange();
void outputFileChange();
void channelWidthChange();
void formatChange();
void mcsChange();
void spatialStreamsChange();
void ltfChange();
void guardIntervalChange();
void txPowerChange();
void codingChange();
void injectDelayChange();
void injectRepeatChange();
void updateErrorMessages();
void measureButtonClicked();
void injectButtonClicked();
void updateSensitivity();
};
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef INTERPOLATION_H
#define INTERPOLATION_H
#include <complex>
namespace interpolation {
double linearInterpolate(double y1, double y2, double mu);
double cosineInterpolate(double y1, double y2, double mu);
double cubicInterpolate(double y0, double y1, double y2, double y3, double mu);
}
#endif

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#ifndef MAIN_H
#define MAIN_H
#include <string>
#include <cstdint>
#include <map>
#define MONITOR_INTERFACE_NAME "mon0"
enum processor
{
interpolateLinear,
interpolateCubic,
interpolateCosine,
phaseCalibrationLinearTransform,
};
struct Arguments
{
bool verbose;
uint16_t frequency;
bool gui = false;
bool plot = false;
std::string bandwidth;
std::string outputFile;
uint8_t mcs;
uint16_t channelWidth;
uint8_t spatialStreams;
uint8_t txPower;
uint16_t guardInterval;
uint32_t injectDelay;
uint32_t injectRepeat;
std::string coding;
std::string format;
bool inject;
bool measure;
std::string mode;
std::string ltf;
std::string inputFile;
std::map<enum processor, bool> processors;
};
/* Get the input argument from argp_parse, which we
know is a pointer to our arguments structure. */
extern struct Arguments arguments;
#endif

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/*
* Copyright (c) 2017 Intel Deutschland GmbH
* Copyright (c) 2018-2019, 2021-2022 Intel Corporation
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
* copyright notice and this permission notice appear in all copies.
*
* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
*/
#ifndef __RADIOTAP_H
#define __RADIOTAP_H
#include <linux/kernel.h>
#include <stdint.h>
/**
* struct __attribute__((__packed__)) ieee82011_radiotap_header - base radiotap header
*/
struct __attribute__((__packed__)) ieee80211_radiotap_header
{
/**
* @it_version: radiotap version, always 0
*/
uint8_t it_version;
/**
* @it_pad: padding (or alignment)
*/
uint8_t it_pad;
/**
* @it_len: overall radiotap header length
*/
__le16 it_len;
/**
* @it_present: (first) present word
*/
__le32 it_present;
/**
* @it_optional: all remaining presence bitmaps
*/
uint8_t it_optional[500];
};
/* version is always 0 */
#define PKTHDR_RADIOTAP_VERSION 0
/* see the radiotap website for the descriptions */
enum ieee80211_radiotap_presence
{
IEEE80211_RADIOTAP_TSFT = 0,
IEEE80211_RADIOTAP_FLAGS = 1,
IEEE80211_RADIOTAP_RATE = 2,
IEEE80211_RADIOTAP_CHANNEL = 3,
IEEE80211_RADIOTAP_FHSS = 4,
IEEE80211_RADIOTAP_DBM_ANTSIGNAL = 5,
IEEE80211_RADIOTAP_DBM_ANTNOISE = 6,
IEEE80211_RADIOTAP_LOCK_QUALITY = 7,
IEEE80211_RADIOTAP_TX_ATTENUATION = 8,
IEEE80211_RADIOTAP_DB_TX_ATTENUATION = 9,
IEEE80211_RADIOTAP_DBM_TX_POWER = 10,
IEEE80211_RADIOTAP_ANTENNA = 11,
IEEE80211_RADIOTAP_DB_ANTSIGNAL = 12,
IEEE80211_RADIOTAP_DB_ANTNOISE = 13,
IEEE80211_RADIOTAP_RX_FLAGS = 14,
IEEE80211_RADIOTAP_TX_FLAGS = 15,
IEEE80211_RADIOTAP_RTS_RETRIES = 16,
IEEE80211_RADIOTAP_DATA_RETRIES = 17,
/* 18 is XChannel, but it's not defined yet */
IEEE80211_RADIOTAP_MCS = 19,
IEEE80211_RADIOTAP_AMPDU_STATUS = 20,
IEEE80211_RADIOTAP_VHT = 21,
IEEE80211_RADIOTAP_TIMESTAMP = 22,
IEEE80211_RADIOTAP_HE = 23,
IEEE80211_RADIOTAP_HE_MU = 24,
IEEE80211_RADIOTAP_ZERO_LEN_PSDU = 26,
IEEE80211_RADIOTAP_LSIG = 27,
IEEE80211_RADIOTAP_TLV = 28,
/* valid in every it_present bitmap, even vendor namespaces */
IEEE80211_RADIOTAP_RADIOTAP_NAMESPACE = 29,
IEEE80211_RADIOTAP_VENDOR_NAMESPACE = 30,
IEEE80211_RADIOTAP_EXT = 31,
IEEE80211_RADIOTAP_EHT_USIG = 33,
IEEE80211_RADIOTAP_EHT = 34,
};
/* for IEEE80211_RADIOTAP_FLAGS */
enum ieee80211_radiotap_flags
{
IEEE80211_RADIOTAP_F_CFP = 0x01,
IEEE80211_RADIOTAP_F_SHORTPRE = 0x02,
IEEE80211_RADIOTAP_F_WEP = 0x04,
IEEE80211_RADIOTAP_F_FRAG = 0x08,
IEEE80211_RADIOTAP_F_FCS = 0x10,
IEEE80211_RADIOTAP_F_DATAPAD = 0x20,
IEEE80211_RADIOTAP_F_BADFCS = 0x40,
};
/* for IEEE80211_RADIOTAP_CHANNEL */
enum ieee80211_radiotap_channel_flags
{
IEEE80211_CHAN_CCK = 0x0020,
IEEE80211_CHAN_OFDM = 0x0040,
IEEE80211_CHAN_2GHZ = 0x0080,
IEEE80211_CHAN_5GHZ = 0x0100,
IEEE80211_CHAN_DYN = 0x0400,
IEEE80211_CHAN_HALF = 0x4000,
IEEE80211_CHAN_QUARTER = 0x8000,
};
/* for IEEE80211_RADIOTAP_RX_FLAGS */
enum ieee80211_radiotap_rx_flags
{
IEEE80211_RADIOTAP_F_RX_BADPLCP = 0x0002,
};
/* for IEEE80211_RADIOTAP_TX_FLAGS */
enum ieee80211_radiotap_tx_flags
{
IEEE80211_RADIOTAP_F_TX_FAIL = 0x0001,
IEEE80211_RADIOTAP_F_TX_CTS = 0x0002,
IEEE80211_RADIOTAP_F_TX_RTS = 0x0004,
IEEE80211_RADIOTAP_F_TX_NOACK = 0x0008,
IEEE80211_RADIOTAP_F_TX_NOSEQNO = 0x0010,
IEEE80211_RADIOTAP_F_TX_ORDER = 0x0020,
};
/* for IEEE80211_RADIOTAP_MCS "have" flags */
enum ieee80211_radiotap_mcs_have
{
IEEE80211_RADIOTAP_MCS_HAVE_BW = 0x01,
IEEE80211_RADIOTAP_MCS_HAVE_MCS = 0x02,
IEEE80211_RADIOTAP_MCS_HAVE_GI = 0x04,
IEEE80211_RADIOTAP_MCS_HAVE_FMT = 0x08,
IEEE80211_RADIOTAP_MCS_HAVE_FEC = 0x10,
IEEE80211_RADIOTAP_MCS_HAVE_STBC = 0x20,
};
enum ieee80211_radiotap_mcs_flags
{
IEEE80211_RADIOTAP_MCS_BW_MASK = 0x03,
IEEE80211_RADIOTAP_MCS_BW_20 = 0,
IEEE80211_RADIOTAP_MCS_BW_40 = 1,
IEEE80211_RADIOTAP_MCS_BW_20L = 2,
IEEE80211_RADIOTAP_MCS_BW_20U = 3,
IEEE80211_RADIOTAP_MCS_SGI = 0x04,
IEEE80211_RADIOTAP_MCS_FMT_GF = 0x08,
IEEE80211_RADIOTAP_MCS_FEC_LDPC = 0x10,
IEEE80211_RADIOTAP_MCS_STBC_MASK = 0x60,
IEEE80211_RADIOTAP_MCS_STBC_1 = 1,
IEEE80211_RADIOTAP_MCS_STBC_2 = 2,
IEEE80211_RADIOTAP_MCS_STBC_3 = 3,
IEEE80211_RADIOTAP_MCS_STBC_SHIFT = 5,
};
/* for IEEE80211_RADIOTAP_AMPDU_STATUS */
enum ieee80211_radiotap_ampdu_flags
{
IEEE80211_RADIOTAP_AMPDU_REPORT_ZEROLEN = 0x0001,
IEEE80211_RADIOTAP_AMPDU_IS_ZEROLEN = 0x0002,
IEEE80211_RADIOTAP_AMPDU_LAST_KNOWN = 0x0004,
IEEE80211_RADIOTAP_AMPDU_IS_LAST = 0x0008,
IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_ERR = 0x0010,
IEEE80211_RADIOTAP_AMPDU_DELIM_CRC_KNOWN = 0x0020,
IEEE80211_RADIOTAP_AMPDU_EOF = 0x0040,
IEEE80211_RADIOTAP_AMPDU_EOF_KNOWN = 0x0080,
};
/* for IEEE80211_RADIOTAP_VHT */
enum ieee80211_radiotap_vht_known
{
IEEE80211_RADIOTAP_VHT_KNOWN_STBC = 0x0001,
IEEE80211_RADIOTAP_VHT_KNOWN_TXOP_PS_NA = 0x0002,
IEEE80211_RADIOTAP_VHT_KNOWN_GI = 0x0004,
IEEE80211_RADIOTAP_VHT_KNOWN_SGI_NSYM_DIS = 0x0008,
IEEE80211_RADIOTAP_VHT_KNOWN_LDPC_EXTRA_OFDM_SYM = 0x0010,
IEEE80211_RADIOTAP_VHT_KNOWN_BEAMFORMED = 0x0020,
IEEE80211_RADIOTAP_VHT_KNOWN_BANDWIDTH = 0x0040,
IEEE80211_RADIOTAP_VHT_KNOWN_GROUP_ID = 0x0080,
IEEE80211_RADIOTAP_VHT_KNOWN_PARTIAL_AID = 0x0100,
};
enum ieee80211_radiotap_vht_flags
{
IEEE80211_RADIOTAP_VHT_FLAG_STBC = 0x01,
IEEE80211_RADIOTAP_VHT_FLAG_TXOP_PS_NA = 0x02,
IEEE80211_RADIOTAP_VHT_FLAG_SGI = 0x04,
IEEE80211_RADIOTAP_VHT_FLAG_SGI_NSYM_M10_9 = 0x08,
IEEE80211_RADIOTAP_VHT_FLAG_LDPC_EXTRA_OFDM_SYM = 0x10,
IEEE80211_RADIOTAP_VHT_FLAG_BEAMFORMED = 0x20,
};
enum ieee80211_radiotap_vht_coding
{
IEEE80211_RADIOTAP_CODING_LDPC_USER0 = 0x01,
IEEE80211_RADIOTAP_CODING_LDPC_USER1 = 0x02,
IEEE80211_RADIOTAP_CODING_LDPC_USER2 = 0x04,
IEEE80211_RADIOTAP_CODING_LDPC_USER3 = 0x08,
};
/* for IEEE80211_RADIOTAP_TIMESTAMP */
enum ieee80211_radiotap_timestamp_unit_spos
{
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MASK = 0x000F,
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_MS = 0x0000,
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_US = 0x0001,
IEEE80211_RADIOTAP_TIMESTAMP_UNIT_NS = 0x0003,
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_MASK = 0x00F0,
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_BEGIN_MDPU = 0x0000,
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_PLCP_SIG_ACQ = 0x0010,
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_PPDU = 0x0020,
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_EO_MPDU = 0x0030,
IEEE80211_RADIOTAP_TIMESTAMP_SPOS_UNKNOWN = 0x00F0,
};
enum ieee80211_radiotap_timestamp_flags
{
IEEE80211_RADIOTAP_TIMESTAMP_FLAG_64BIT = 0x00,
IEEE80211_RADIOTAP_TIMESTAMP_FLAG_32BIT = 0x01,
IEEE80211_RADIOTAP_TIMESTAMP_FLAG_ACCURACY = 0x02,
};
struct __attribute__((__packed__)) ieee80211_radiotap_he
{
__le16 data1, data2, data3, data4, data5, data6;
};
enum ieee80211_radiotap_he_bits
{
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MASK = 3,
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_SU = 0,
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_EXT_SU = 1,
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_MU = 2,
IEEE80211_RADIOTAP_HE_DATA1_FORMAT_TRIG = 3,
IEEE80211_RADIOTAP_HE_DATA1_BSS_COLOR_KNOWN = 0x0004,
IEEE80211_RADIOTAP_HE_DATA1_BEAM_CHANGE_KNOWN = 0x0008,
IEEE80211_RADIOTAP_HE_DATA1_UL_DL_KNOWN = 0x0010,
IEEE80211_RADIOTAP_HE_DATA1_DATA_MCS_KNOWN = 0x0020,
IEEE80211_RADIOTAP_HE_DATA1_DATA_DCM_KNOWN = 0x0040,
IEEE80211_RADIOTAP_HE_DATA1_CODING_KNOWN = 0x0080,
IEEE80211_RADIOTAP_HE_DATA1_LDPC_XSYMSEG_KNOWN = 0x0100,
IEEE80211_RADIOTAP_HE_DATA1_STBC_KNOWN = 0x0200,
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE_KNOWN = 0x0400,
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE2_KNOWN = 0x0800,
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE3_KNOWN = 0x1000,
IEEE80211_RADIOTAP_HE_DATA1_SPTL_REUSE4_KNOWN = 0x2000,
IEEE80211_RADIOTAP_HE_DATA1_BW_RU_ALLOC_KNOWN = 0x4000,
IEEE80211_RADIOTAP_HE_DATA1_DOPPLER_KNOWN = 0x8000,
IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_KNOWN = 0x0001,
IEEE80211_RADIOTAP_HE_DATA2_GI_KNOWN = 0x0002,
IEEE80211_RADIOTAP_HE_DATA2_NUM_LTF_SYMS_KNOWN = 0x0004,
IEEE80211_RADIOTAP_HE_DATA2_PRE_FEC_PAD_KNOWN = 0x0008,
IEEE80211_RADIOTAP_HE_DATA2_TXBF_KNOWN = 0x0010,
IEEE80211_RADIOTAP_HE_DATA2_PE_DISAMBIG_KNOWN = 0x0020,
IEEE80211_RADIOTAP_HE_DATA2_TXOP_KNOWN = 0x0040,
IEEE80211_RADIOTAP_HE_DATA2_MIDAMBLE_KNOWN = 0x0080,
IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET = 0x3f00,
IEEE80211_RADIOTAP_HE_DATA2_RU_OFFSET_KNOWN = 0x4000,
IEEE80211_RADIOTAP_HE_DATA2_PRISEC_80_SEC = 0x8000,
IEEE80211_RADIOTAP_HE_DATA3_BSS_COLOR = 0x003f,
IEEE80211_RADIOTAP_HE_DATA3_BEAM_CHANGE = 0x0040,
IEEE80211_RADIOTAP_HE_DATA3_UL_DL = 0x0080,
IEEE80211_RADIOTAP_HE_DATA3_DATA_MCS = 0x0f00,
IEEE80211_RADIOTAP_HE_DATA3_DATA_DCM = 0x1000,
IEEE80211_RADIOTAP_HE_DATA3_CODING = 0x2000,
IEEE80211_RADIOTAP_HE_DATA3_LDPC_XSYMSEG = 0x4000,
IEEE80211_RADIOTAP_HE_DATA3_STBC = 0x8000,
IEEE80211_RADIOTAP_HE_DATA4_SU_MU_SPTL_REUSE = 0x000f,
IEEE80211_RADIOTAP_HE_DATA4_MU_STA_ID = 0x7ff0,
IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE1 = 0x000f,
IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE2 = 0x00f0,
IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE3 = 0x0f00,
IEEE80211_RADIOTAP_HE_DATA4_TB_SPTL_REUSE4 = 0xf000,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC = 0x000f,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_20MHZ = 0,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_40MHZ = 1,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_80MHZ = 2,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_160MHZ = 3,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_26T = 4,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_52T = 5,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_106T = 6,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_242T = 7,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_484T = 8,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_996T = 9,
IEEE80211_RADIOTAP_HE_DATA5_DATA_BW_RU_ALLOC_2x996T = 10,
IEEE80211_RADIOTAP_HE_DATA5_GI = 0x0030,
IEEE80211_RADIOTAP_HE_DATA5_GI_0_8 = 0,
IEEE80211_RADIOTAP_HE_DATA5_GI_1_6 = 1,
IEEE80211_RADIOTAP_HE_DATA5_GI_3_2 = 2,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE = 0x00c0,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_UNKNOWN = 0,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_1X = 1,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_2X = 2,
IEEE80211_RADIOTAP_HE_DATA5_LTF_SIZE_4X = 3,
IEEE80211_RADIOTAP_HE_DATA5_NUM_LTF_SYMS = 0x0700,
IEEE80211_RADIOTAP_HE_DATA5_PRE_FEC_PAD = 0x3000,
IEEE80211_RADIOTAP_HE_DATA5_TXBF = 0x4000,
IEEE80211_RADIOTAP_HE_DATA5_PE_DISAMBIG = 0x8000,
IEEE80211_RADIOTAP_HE_DATA6_NSTS = 0x000f,
IEEE80211_RADIOTAP_HE_DATA6_DOPPLER = 0x0010,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_KNOWN = 0x0020,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW = 0x00c0,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_20MHZ = 0,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_40MHZ = 1,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_80MHZ = 2,
IEEE80211_RADIOTAP_HE_DATA6_TB_PPDU_BW_160MHZ = 3,
IEEE80211_RADIOTAP_HE_DATA6_TXOP = 0x7f00,
IEEE80211_RADIOTAP_HE_DATA6_MIDAMBLE_PDCTY = 0x8000,
};
struct __attribute__((__packed__)) ieee80211_radiotap_he_mu
{
__le16 flags1, flags2;
uint8_t ru_ch1[4];
uint8_t ru_ch2[4];
};
enum ieee80211_radiotap_he_mu_bits
{
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS = 0x000f,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_MCS_KNOWN = 0x0010,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM = 0x0020,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_DCM_KNOWN = 0x0040,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_CTR_26T_RU_KNOWN = 0x0080,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_RU_KNOWN = 0x0100,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH2_RU_KNOWN = 0x0200,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU_KNOWN = 0x1000,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_CH1_CTR_26T_RU = 0x2000,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_COMP_KNOWN = 0x4000,
IEEE80211_RADIOTAP_HE_MU_FLAGS1_SIG_B_SYMS_USERS_KNOWN = 0x8000,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW = 0x0003,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_20MHZ = 0x0000,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_40MHZ = 0x0001,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_80MHZ = 0x0002,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_160MHZ = 0x0003,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_BW_FROM_SIG_A_BW_KNOWN = 0x0004,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_COMP = 0x0008,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_SIG_B_SYMS_USERS = 0x00f0,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW = 0x0300,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_PUNC_FROM_SIG_A_BW_KNOWN = 0x0400,
IEEE80211_RADIOTAP_HE_MU_FLAGS2_CH2_CTR_26T_RU = 0x0800,
};
enum ieee80211_radiotap_lsig_data1
{
IEEE80211_RADIOTAP_LSIG_DATA1_RATE_KNOWN = 0x0001,
IEEE80211_RADIOTAP_LSIG_DATA1_LENGTH_KNOWN = 0x0002,
};
enum ieee80211_radiotap_lsig_data2
{
IEEE80211_RADIOTAP_LSIG_DATA2_RATE = 0x000f,
IEEE80211_RADIOTAP_LSIG_DATA2_LENGTH = 0xfff0,
};
struct __attribute__((__packed__)) ieee80211_radiotap_lsig
{
__le16 data1, data2;
};
enum ieee80211_radiotap_zero_len_psdu_type
{
IEEE80211_RADIOTAP_ZERO_LEN_PSDU_SOUNDING = 0,
IEEE80211_RADIOTAP_ZERO_LEN_PSDU_NOT_CAPTURED = 1,
IEEE80211_RADIOTAP_ZERO_LEN_PSDU_VENDOR = 0xff,
};
struct __attribute__((__packed__)) ieee80211_radiotap_tlv
{
__le16 type;
__le16 len;
uint8_t data[];
};
/**
* struct __attribute__((__packed__)) ieee80211_radiotap_vendor_content - vendor radiotap content information
* @oui: radiotap vendor namespace OUI
* @oui_subtype: radiotap vendor sub namespace
* @vendor_type: radiotap vendor type
* @reserved: should always be set to zero (to avoid leaking memory)
* @data: the actual vendor namespace data
*/
struct __attribute__((__packed__)) ieee80211_radiotap_vendor_content
{
uint8_t oui[3];
uint8_t oui_subtype;
__le16 vendor_type;
__le16 reserved;
uint8_t data[];
};
/**
* struct __attribute__((__packed__)) ieee80211_radiotap_vendor_tlv - vendor radiotap data information
* @type: should always be set to IEEE80211_RADIOTAP_VENDOR_NAMESPACE
* @len: length of data
* @content: vendor content see @ieee80211_radiotap_vendor_content
*/
struct __attribute__((__packed__)) ieee80211_radiotap_vendor_tlv
{
__le16 type; /* IEEE80211_RADIOTAP_VENDOR_NAMESPACE */
__le16 len;
struct ieee80211_radiotap_vendor_content content;
};
/* ieee80211_radiotap_eht_usig - content of U-SIG tlv (type 33)
* see www.radiotap.org/fields/U-SIG.html for details
*/
struct __attribute__((__packed__)) ieee80211_radiotap_eht_usig
{
__le32 common;
__le32 value;
__le32 mask;
};
/* ieee80211_radiotap_eht - content of EHT tlv (type 34)
* see www.radiotap.org/fields/EHT.html for details
*/
struct __attribute__((__packed__)) ieee80211_radiotap_eht
{
__le32 known;
__le32 data[9];
__le32 user_info[];
};
/* Known field for EHT TLV
* The ending defines for what the field applies as following
* O - OFDMA (including TB), M - MU-MIMO, S - EHT sounding.
*/
enum ieee80211_radiotap_eht_known
{
IEEE80211_RADIOTAP_EHT_KNOWN_SPATIAL_REUSE = 0x00000002,
IEEE80211_RADIOTAP_EHT_KNOWN_GI = 0x00000004,
IEEE80211_RADIOTAP_EHT_KNOWN_EHT_LTF = 0x00000010,
IEEE80211_RADIOTAP_EHT_KNOWN_LDPC_EXTRA_SYM_OM = 0x00000020,
IEEE80211_RADIOTAP_EHT_KNOWN_PRE_PADD_FACOR_OM = 0x00000040,
IEEE80211_RADIOTAP_EHT_KNOWN_PE_DISAMBIGUITY_OM = 0x00000080,
IEEE80211_RADIOTAP_EHT_KNOWN_DISREGARD_O = 0x00000100,
IEEE80211_RADIOTAP_EHT_KNOWN_DISREGARD_S = 0x00000200,
IEEE80211_RADIOTAP_EHT_KNOWN_CRC1 = 0x00002000,
IEEE80211_RADIOTAP_EHT_KNOWN_TAIL1 = 0x00004000,
IEEE80211_RADIOTAP_EHT_KNOWN_CRC2_O = 0x00008000,
IEEE80211_RADIOTAP_EHT_KNOWN_TAIL2_O = 0x00010000,
IEEE80211_RADIOTAP_EHT_KNOWN_NSS_S = 0x00020000,
IEEE80211_RADIOTAP_EHT_KNOWN_BEAMFORMED_S = 0x00040000,
IEEE80211_RADIOTAP_EHT_KNOWN_NR_NON_OFDMA_USERS_M = 0x00080000,
IEEE80211_RADIOTAP_EHT_KNOWN_ENCODING_BLOCK_CRC_M = 0x00100000,
IEEE80211_RADIOTAP_EHT_KNOWN_ENCODING_BLOCK_TAIL_M = 0x00200000,
IEEE80211_RADIOTAP_EHT_KNOWN_RU_MRU_SIZE_OM = 0x00400000,
IEEE80211_RADIOTAP_EHT_KNOWN_RU_MRU_INDEX_OM = 0x00800000,
IEEE80211_RADIOTAP_EHT_KNOWN_RU_ALLOC_TB_FMT = 0x01000000,
IEEE80211_RADIOTAP_EHT_KNOWN_PRIMARY_80 = 0x02000000,
};
enum ieee80211_radiotap_eht_data
{
/* Data 0 */
IEEE80211_RADIOTAP_EHT_DATA0_SPATIAL_REUSE = 0x00000078,
IEEE80211_RADIOTAP_EHT_DATA0_GI = 0x00000180,
IEEE80211_RADIOTAP_EHT_DATA0_LTF = 0x00000600,
IEEE80211_RADIOTAP_EHT_DATA0_EHT_LTF = 0x00003800,
IEEE80211_RADIOTAP_EHT_DATA0_LDPC_EXTRA_SYM_OM = 0x00004000,
IEEE80211_RADIOTAP_EHT_DATA0_PRE_PADD_FACOR_OM = 0x00018000,
IEEE80211_RADIOTAP_EHT_DATA0_PE_DISAMBIGUITY_OM = 0x00020000,
IEEE80211_RADIOTAP_EHT_DATA0_DISREGARD_S = 0x000c0000,
IEEE80211_RADIOTAP_EHT_DATA0_DISREGARD_O = 0x003c0000,
IEEE80211_RADIOTAP_EHT_DATA0_CRC1_O = 0x03c00000,
IEEE80211_RADIOTAP_EHT_DATA0_TAIL1_O = 0xfc000000,
/* Data 1 */
IEEE80211_RADIOTAP_EHT_DATA1_RU_SIZE = 0x0000001f,
IEEE80211_RADIOTAP_EHT_DATA1_RU_INDEX = 0x00001fe0,
IEEE80211_RADIOTAP_EHT_DATA1_RU_ALLOC_CC_1_1_1 = 0x003fe000,
IEEE80211_RADIOTAP_EHT_DATA1_RU_ALLOC_CC_1_1_1_KNOWN = 0x00400000,
IEEE80211_RADIOTAP_EHT_DATA1_PRIMARY_80 = 0xc0000000,
/* Data 2 */
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_1 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_1_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_1_1_2 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_1_1_2_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_2 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA2_RU_ALLOC_CC_2_1_2_KNOWN = 0x20000000,
/* Data 3 */
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_1 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_1_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_2_2_1 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_2_2_1_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_2 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA3_RU_ALLOC_CC_1_2_2_KNOWN = 0x20000000,
/* Data 4 */
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_2 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_2_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_1_2_3 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_1_2_3_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_3 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA4_RU_ALLOC_CC_2_2_3_KNOWN = 0x20000000,
/* Data 5 */
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_4 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_4_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_2_2_4 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_2_2_4_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_5 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA5_RU_ALLOC_CC_1_2_5_KNOWN = 0x20000000,
/* Data 6 */
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_5 = 0x000001ff,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_5_KNOWN = 0x00000200,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_1_2_6 = 0x0007fc00,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_1_2_6_KNOWN = 0x00080000,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_6 = 0x1ff00000,
IEEE80211_RADIOTAP_EHT_DATA6_RU_ALLOC_CC_2_2_6_KNOWN = 0x20000000,
/* Data 7 */
IEEE80211_RADIOTAP_EHT_DATA7_CRC2_O = 0x0000000f,
IEEE80211_RADIOTAP_EHT_DATA7_TAIL_2_O = 0x000003f0,
IEEE80211_RADIOTAP_EHT_DATA7_NSS_S = 0x0000f000,
IEEE80211_RADIOTAP_EHT_DATA7_BEAMFORMED_S = 0x00010000,
IEEE80211_RADIOTAP_EHT_DATA7_NUM_OF_NON_OFDMA_USERS = 0x000e0000,
IEEE80211_RADIOTAP_EHT_DATA7_USER_ENCODING_BLOCK_CRC = 0x00f00000,
IEEE80211_RADIOTAP_EHT_DATA7_USER_ENCODING_BLOCK_TAIL = 0x3f000000,
/* Data 8 */
IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_PS_160 = 0x00000001,
IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B0 = 0x00000002,
IEEE80211_RADIOTAP_EHT_DATA8_RU_ALLOC_TB_FMT_B7_B1 = 0x000001fc,
};
enum ieee80211_radiotap_eht_user_info
{
IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID_KNOWN = 0x00000001,
IEEE80211_RADIOTAP_EHT_USER_INFO_MCS_KNOWN = 0x00000002,
IEEE80211_RADIOTAP_EHT_USER_INFO_CODING_KNOWN = 0x00000004,
IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_KNOWN_O = 0x00000010,
IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_KNOWN_O = 0x00000020,
IEEE80211_RADIOTAP_EHT_USER_INFO_SPATIAL_CONFIG_KNOWN_M = 0x00000040,
IEEE80211_RADIOTAP_EHT_USER_INFO_DATA_FOR_USER = 0x00000080,
IEEE80211_RADIOTAP_EHT_USER_INFO_STA_ID = 0x0007ff00,
IEEE80211_RADIOTAP_EHT_USER_INFO_CODING = 0x00080000,
IEEE80211_RADIOTAP_EHT_USER_INFO_MCS = 0x00f00000,
IEEE80211_RADIOTAP_EHT_USER_INFO_NSS_O = 0x0f000000,
IEEE80211_RADIOTAP_EHT_USER_INFO_BEAMFORMING_O = 0x20000000,
IEEE80211_RADIOTAP_EHT_USER_INFO_SPATIAL_CONFIG_M = 0x3f000000,
IEEE80211_RADIOTAP_EHT_USER_INFO_RESEVED_c0000000 = 0xc0000000,
};
enum ieee80211_radiotap_eht_usig_common
{
IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER_KNOWN = 0x00000001,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW_KNOWN = 0x00000002,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL_KNOWN = 0x00000004,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR_KNOWN = 0x00000008,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP_KNOWN = 0x00000010,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BAD_USIG_CRC = 0x00000020,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_CHECKED = 0x00000040,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_VALIDATE_BITS_OK = 0x00000080,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_PHY_VER = 0x00007000,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BW = 0x00038000,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_UL_DL = 0x00040000,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_BSS_COLOR = 0x01f80000,
IEEE80211_RADIOTAP_EHT_USIG_COMMON_TXOP = 0xfe000000,
};
enum ieee80211_radiotap_eht_usig_mu
{
/* MU-USIG-1 */
IEEE80211_RADIOTAP_EHT_USIG1_MU_B0_B24_DISREGARD = 0x0000001f,
IEEE80211_RADIOTAP_EHT_USIG1_MU_B25_VALIDATE = 0x00000020,
/* MU-USIG-2 */
IEEE80211_RADIOTAP_EHT_USIG2_MU_B0_B1_PPDU_TYPE = 0x000000c0,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B2_VALIDATE = 0x00000100,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B3_B7_PUNCTURED_INFO = 0x00003e00,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B8_VALIDATE = 0x00004000,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B9_B10_SIG_MCS = 0x00018000,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B11_B15_EHT_SIG_SYMBOLS = 0x003e0000,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B16_B19_CRC = 0x03c00000,
IEEE80211_RADIOTAP_EHT_USIG2_MU_B20_B25_TAIL = 0xfc000000,
};
enum ieee80211_radiotap_eht_usig_tb
{
/* TB-USIG-1 */
IEEE80211_RADIOTAP_EHT_USIG1_TB_B20_B25_DISREGARD = 0x0000001f,
/* TB-USIG-2 */
IEEE80211_RADIOTAP_EHT_USIG2_TB_B0_B1_PPDU_TYPE = 0x000000c0,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B2_VALIDATE = 0x00000100,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B3_B6_SPATIAL_REUSE_1 = 0x00001e00,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B7_B10_SPATIAL_REUSE_2 = 0x0001e000,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B11_B15_DISREGARD = 0x003e0000,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B16_B19_CRC = 0x03c00000,
IEEE80211_RADIOTAP_EHT_USIG2_TB_B20_B25_TAIL = 0xfc000000,
};
#endif /* __RADIOTAP_H */

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/* SPDX-License-Identifier: GPL-2.0 OR BSD-3-Clause */
/*
* Copyright (C) 2012-2014, 2018-2022 Intel Corporation
* Copyright (C) 2017 Intel Deutschland GmbH
*/
#ifndef __iwl_fw_api_rs_h__
#define __iwl_fw_api_rs_h__
/*
* rate_n_flags bit fields version 1
*
* The 32-bit value has different layouts in the low 8 bites depending on the
* format. There are three formats, HT, VHT and legacy (11abg, with subformats
* for CCK and OFDM).
*
* High-throughput (HT) rate format
* bit 8 is 1, bit 26 is 0, bit 9 is 0 (OFDM)
* Very High-throughput (VHT) rate format
* bit 8 is 0, bit 26 is 1, bit 9 is 0 (OFDM)
* Legacy OFDM rate format for bits 7:0
* bit 8 is 0, bit 26 is 0, bit 9 is 0 (OFDM)
* Legacy CCK rate format for bits 7:0:
* bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK)
*/
/* Bit 8: (1) HT format, (0) legacy or VHT format */
#define RATE_MCS_HT_POS 8
#define RATE_MCS_HT_MSK_V1 BIT(RATE_MCS_HT_POS)
/* Bit 9: (1) CCK, (0) OFDM. HT (bit 8) must be "0" for this bit to be valid */
#define RATE_MCS_CCK_POS_V1 9
#define RATE_MCS_CCK_MSK_V1 BIT(RATE_MCS_CCK_POS_V1)
/* Bit 26: (1) VHT format, (0) legacy format in bits 8:0 */
#define RATE_MCS_VHT_POS_V1 26
#define RATE_MCS_VHT_MSK_V1 BIT(RATE_MCS_VHT_POS_V1)
/*
* High-throughput (HT) rate format for bits 7:0
*
* 2-0: MCS rate base
* 0) 6 Mbps
* 1) 12 Mbps
* 2) 18 Mbps
* 3) 24 Mbps
* 4) 36 Mbps
* 5) 48 Mbps
* 6) 54 Mbps
* 7) 60 Mbps
* 4-3: 0) Single stream (SISO)
* 1) Dual stream (MIMO)
* 2) Triple stream (MIMO)
* 5: Value of 0x20 in bits 7:0 indicates 6 Mbps HT40 duplicate data
* (bits 7-6 are zero)
*
* Together the low 5 bits work out to the MCS index because we don't
* support MCSes above 15/23, and 0-7 have one stream, 8-15 have two
* streams and 16-23 have three streams. We could also support MCS 32
* which is the duplicate 20 MHz MCS (bit 5 set, all others zero.)
*/
#define RATE_HT_MCS_RATE_CODE_MSK_V1 0x7
#define RATE_HT_MCS_NSS_POS_V1 3
#define RATE_HT_MCS_NSS_MSK_V1 (3 << RATE_HT_MCS_NSS_POS_V1)
#define RATE_HT_MCS_MIMO2_MSK BIT(RATE_HT_MCS_NSS_POS_V1)
/* Bit 10: (1) Use Green Field preamble */
#define RATE_HT_MCS_GF_POS 10
#define RATE_HT_MCS_GF_MSK (1 << RATE_HT_MCS_GF_POS)
#define RATE_HT_MCS_INDEX_MSK_V1 0x3f
/*
* Very High-throughput (VHT) rate format for bits 7:0
*
* 3-0: VHT MCS (0-9)
* 5-4: number of streams - 1:
* 0) Single stream (SISO)
* 1) Dual stream (MIMO)
* 2) Triple stream (MIMO)
*/
/* Bit 4-5: (0) SISO, (1) MIMO2 (2) MIMO3 */
#define RATE_VHT_MCS_RATE_CODE_MSK 0xf
/*
* Legacy OFDM rate format for bits 7:0
*
* 3-0: 0xD) 6 Mbps
* 0xF) 9 Mbps
* 0x5) 12 Mbps
* 0x7) 18 Mbps
* 0x9) 24 Mbps
* 0xB) 36 Mbps
* 0x1) 48 Mbps
* 0x3) 54 Mbps
* (bits 7-4 are 0)
*
* Legacy CCK rate format for bits 7:0:
* bit 8 is 0, bit 26 is 0, bit 9 is 1 (CCK):
*
* 6-0: 10) 1 Mbps
* 20) 2 Mbps
* 55) 5.5 Mbps
* 110) 11 Mbps
* (bit 7 is 0)
*/
#define RATE_LEGACY_RATE_MSK_V1 0xff
/* Bit 10 - OFDM HE */
#define RATE_MCS_HE_POS_V1 10
#define RATE_MCS_HE_MSK_V1 BIT(RATE_MCS_HE_POS_V1)
/*
* Bit 11-12: (0) 20MHz, (1) 40MHz, (2) 80MHz, (3) 160MHz
* 0 and 1 are valid for HT and VHT, 2 and 3 only for VHT
*/
#define RATE_MCS_CHAN_WIDTH_POS 11
#define RATE_MCS_CHAN_WIDTH_MSK_V1 (3 << RATE_MCS_CHAN_WIDTH_POS)
/* Bit 13: (1) Short guard interval (0.4 usec), (0) normal GI (0.8 usec) */
#define RATE_MCS_SGI_POS_V1 13
#define RATE_MCS_SGI_MSK_V1 BIT(RATE_MCS_SGI_POS_V1)
/* Bit 14-16: Antenna selection (1) Ant A, (2) Ant B, (4) Ant C */
#define RATE_MCS_ANT_POS 14
#define RATE_MCS_ANT_A_MSK (1 << RATE_MCS_ANT_POS)
#define RATE_MCS_ANT_B_MSK (2 << RATE_MCS_ANT_POS)
#define RATE_MCS_ANT_AB_MSK (RATE_MCS_ANT_A_MSK | \
RATE_MCS_ANT_B_MSK)
#define RATE_MCS_ANT_MSK RATE_MCS_ANT_AB_MSK
/* Bit 17: (0) SS, (1) SS*2 */
#define RATE_MCS_STBC_POS 17
#define RATE_MCS_STBC_MSK BIT(RATE_MCS_STBC_POS)
/* Bit 18: OFDM-HE dual carrier mode */
#define RATE_HE_DUAL_CARRIER_MODE 18
#define RATE_HE_DUAL_CARRIER_MODE_MSK BIT(RATE_HE_DUAL_CARRIER_MODE)
/* Bit 19: (0) Beamforming is off, (1) Beamforming is on */
#define RATE_MCS_BF_POS 19
#define RATE_MCS_BF_MSK (1 << RATE_MCS_BF_POS)
/*
* Bit 20-21: HE LTF type and guard interval
* HE (ext) SU:
* 0 1xLTF+0.8us
* 1 2xLTF+0.8us
* 2 2xLTF+1.6us
* 3 & SGI (bit 13) clear 4xLTF+3.2us
* 3 & SGI (bit 13) set 4xLTF+0.8us
* HE MU:
* 0 4xLTF+0.8us
* 1 2xLTF+0.8us
* 2 2xLTF+1.6us
* 3 4xLTF+3.2us
* HE-EHT TRIG:
* 0 1xLTF+1.6us
* 1 2xLTF+1.6us
* 2 4xLTF+3.2us
* 3 (does not occur)
* EHT MU:
* 0 2xLTF+0.8us
* 1 2xLTF+1.6us
* 2 4xLTF+0.8us
* 3 4xLTF+3.2us
*/
#define RATE_MCS_HE_GI_LTF_POS 20
#define RATE_MCS_HE_GI_LTF_MSK_V1 (3 << RATE_MCS_HE_GI_LTF_POS)
/* Bit 22-23: HE type. (0) SU, (1) SU_EXT, (2) MU, (3) trigger based */
#define RATE_MCS_HE_TYPE_POS_V1 22
#define RATE_MCS_HE_TYPE_SU_V1 (0 << RATE_MCS_HE_TYPE_POS_V1)
#define RATE_MCS_HE_TYPE_EXT_SU_V1 BIT(RATE_MCS_HE_TYPE_POS_V1)
#define RATE_MCS_HE_TYPE_MU_V1 (2 << RATE_MCS_HE_TYPE_POS_V1)
#define RATE_MCS_HE_TYPE_TRIG_V1 (3 << RATE_MCS_HE_TYPE_POS_V1)
#define RATE_MCS_HE_TYPE_MSK_V1 (3 << RATE_MCS_HE_TYPE_POS_V1)
/* Bit 24-25: (0) 20MHz (no dup), (1) 2x20MHz, (2) 4x20MHz, 3 8x20MHz */
#define RATE_MCS_DUP_POS_V1 24
#define RATE_MCS_DUP_MSK_V1 (3 << RATE_MCS_DUP_POS_V1)
/* Bit 27: (1) LDPC enabled, (0) LDPC disabled */
#define RATE_MCS_LDPC_POS_V1 27
#define RATE_MCS_LDPC_MSK_V1 BIT(RATE_MCS_LDPC_POS_V1)
/* Bit 28: (1) 106-tone RX (8 MHz RU), (0) normal bandwidth */
#define RATE_MCS_HE_106T_POS_V1 28
#define RATE_MCS_HE_106T_MSK_V1 BIT(RATE_MCS_HE_106T_POS_V1)
/* Bit 30-31: (1) RTS, (2) CTS */
#define RATE_MCS_RTS_REQUIRED_POS (30)
#define RATE_MCS_RTS_REQUIRED_MSK (0x1 << RATE_MCS_RTS_REQUIRED_POS)
#define RATE_MCS_CTS_REQUIRED_POS (31)
#define RATE_MCS_CTS_REQUIRED_MSK (0x1 << RATE_MCS_CTS_REQUIRED_POS)
/* rate_n_flags bit field version 2
*
* The 32-bit value has different layouts in the low 8 bits depending on the
* format. There are three formats, HT, VHT and legacy (11abg, with subformats
* for CCK and OFDM).
*
*/
/* Bits 10-8: rate format
* (0) Legacy CCK (1) Legacy OFDM (2) High-throughput (HT)
* (3) Very High-throughput (VHT) (4) High-efficiency (HE)
* (5) Extremely High-throughput (EHT)
*/
#define RATE_MCS_MOD_TYPE_POS 8
#define RATE_MCS_MOD_TYPE_MSK (0x7 << RATE_MCS_MOD_TYPE_POS)
#define RATE_MCS_CCK_MSK (0 << RATE_MCS_MOD_TYPE_POS)
#define RATE_MCS_LEGACY_OFDM_MSK (1 << RATE_MCS_MOD_TYPE_POS)
#define RATE_MCS_HT_MSK (2 << RATE_MCS_MOD_TYPE_POS)
#define RATE_MCS_VHT_MSK (3 << RATE_MCS_MOD_TYPE_POS)
#define RATE_MCS_HE_MSK (4 << RATE_MCS_MOD_TYPE_POS)
#define RATE_MCS_EHT_MSK (5 << RATE_MCS_MOD_TYPE_POS)
/*
* Legacy CCK rate format for bits 0:3:
*
* (0) 0xa - 1 Mbps
* (1) 0x14 - 2 Mbps
* (2) 0x37 - 5.5 Mbps
* (3) 0x6e - 11 nbps
*
* Legacy OFDM rate format for bis 3:0:
*
* (0) 6 Mbps
* (1) 9 Mbps
* (2) 12 Mbps
* (3) 18 Mbps
* (4) 24 Mbps
* (5) 36 Mbps
* (6) 48 Mbps
* (7) 54 Mbps
*
*/
#define RATE_LEGACY_RATE_MSK 0x7
/*
* HT, VHT, HE, EHT rate format for bits 3:0
* 3-0: MCS
*
*/
#define RATE_HT_MCS_CODE_MSK 0x7
#define RATE_MCS_NSS_POS 4
#define RATE_MCS_NSS_MSK (1 << RATE_MCS_NSS_POS)
#define RATE_MCS_CODE_MSK 0xf
#define RATE_HT_MCS_INDEX(r) ((((r)&RATE_MCS_NSS_MSK) >> 1) | \
((r)&RATE_HT_MCS_CODE_MSK))
/* Bits 7-5: reserved */
/*
* Bits 13-11: (0) 20MHz, (1) 40MHz, (2) 80MHz, (3) 160MHz, (4) 320MHz
*/
#define RATE_MCS_CHAN_WIDTH_MSK (0x7 << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_20_VAL 0
#define RATE_MCS_CHAN_WIDTH_20 (RATE_MCS_CHAN_WIDTH_20_VAL << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_40_VAL 1
#define RATE_MCS_CHAN_WIDTH_40 (RATE_MCS_CHAN_WIDTH_40_VAL << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_80_VAL 2
#define RATE_MCS_CHAN_WIDTH_80 (RATE_MCS_CHAN_WIDTH_80_VAL << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_160_VAL 3
#define RATE_MCS_CHAN_WIDTH_160 (RATE_MCS_CHAN_WIDTH_160_VAL << RATE_MCS_CHAN_WIDTH_POS)
#define RATE_MCS_CHAN_WIDTH_320_VAL 4
#define RATE_MCS_CHAN_WIDTH_320 (RATE_MCS_CHAN_WIDTH_320_VAL << RATE_MCS_CHAN_WIDTH_POS)
/* Bit 15-14: Antenna selection:
* Bit 14: Ant A active
* Bit 15: Ant B active
*
* All relevant definitions are same as in v1
*/
/* Bit 16 (1) LDPC enables, (0) LDPC disabled */
#define RATE_MCS_LDPC_POS 16
#define RATE_MCS_LDPC_MSK (1 << RATE_MCS_LDPC_POS)
/* Bit 17: (0) SS, (1) SS*2 (same as v1) */
/* Bit 18: OFDM-HE dual carrier mode (same as v1) */
/* Bit 19: (0) Beamforming is off, (1) Beamforming is on (same as v1) */
/*
* Bit 22-20: HE LTF type and guard interval
* CCK:
* 0 long preamble
* 1 short preamble
* HT/VHT:
* 0 0.8us
* 1 0.4us
* HE (ext) SU:
* 0 1xLTF+0.8us
* 1 2xLTF+0.8us
* 2 2xLTF+1.6us
* 3 4xLTF+3.2us
* 4 4xLTF+0.8us
* HE MU:
* 0 4xLTF+0.8us
* 1 2xLTF+0.8us
* 2 2xLTF+1.6us
* 3 4xLTF+3.2us
* HE TRIG:
* 0 1xLTF+1.6us
* 1 2xLTF+1.6us
* 2 4xLTF+3.2us
* */
#define RATE_MCS_HE_GI_LTF_MSK (0x7 << RATE_MCS_HE_GI_LTF_POS)
#define RATE_MCS_SGI_POS RATE_MCS_HE_GI_LTF_POS
#define RATE_MCS_SGI_MSK (1 << RATE_MCS_SGI_POS)
#define RATE_MCS_HE_SU_4_LTF 3
#define RATE_MCS_HE_SU_4_LTF_08_GI 4
/* Bit 24-23: HE type. (0) SU, (1) SU_EXT, (2) MU, (3) trigger based */
#define RATE_MCS_HE_TYPE_POS 23
#define RATE_MCS_HE_TYPE_SU (0 << RATE_MCS_HE_TYPE_POS)
#define RATE_MCS_HE_TYPE_EXT_SU (1 << RATE_MCS_HE_TYPE_POS)
#define RATE_MCS_HE_TYPE_MU (2 << RATE_MCS_HE_TYPE_POS)
#define RATE_MCS_HE_TYPE_TRIG (3 << RATE_MCS_HE_TYPE_POS)
#define RATE_MCS_HE_TYPE_MSK (3 << RATE_MCS_HE_TYPE_POS)
/* Bit 25: duplicate channel enabled
*
* if this bit is set, duplicate is according to BW (bits 11-13):
*
* CCK: 2x 20MHz
* OFDM Legacy: N x 20Mhz, (N = BW \ 2 , either 2, 4, 8, 16)
* EHT: 2 x BW/2, (80 - 2x40, 160 - 2x80, 320 - 2x160)
* */
#define RATE_MCS_DUP_POS 25
#define RATE_MCS_DUP_MSK (1 << RATE_MCS_DUP_POS)
/* Bit 26: (1) 106-tone RX (8 MHz RU), (0) normal bandwidth */
#define RATE_MCS_HE_106T_POS 26
#define RATE_MCS_HE_106T_MSK (1 << RATE_MCS_HE_106T_POS)
/* Bit 27: EHT extra LTF:
* instead of 1 LTF for SISO use 2 LTFs,
* instead of 2 LTFs for NSTS=2 use 4 LTFs*/
#define RATE_MCS_EHT_EXTRA_LTF_POS 27
#define RATE_MCS_EHT_EXTRA_LTF_MSK (1 << RATE_MCS_EHT_EXTRA_LTF_POS)
/* Bit 31-28: reserved */
#endif /* __iwl_fw_api_rs_h__ */

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# FeitCSI, the 802.11 CSI tool
FeitCSI is the **first open-source** tool that enables CSI extraction and injection frames for **all formats (802.11a/g/n/ac/ax)** in **all bandwidths (20/40/80/160 MHz)** from commodity intel NIC **AX200, AX210** (There is high possibility that newest intel NIC is also supported). The aim of FeitCSI tool is:
: - **easy to use**, providing a tool in different formats source, binary, and also live distribution with a tool for virtual environments or live USB and other discs
- **high availability** on different devices (e.g. x86_64, arm)
- **open-source**, which allows the community to contribute and improve this tool for purpose of future researches and next activities
---
## Functionality
FeitCSI allows you to **extract CSI** and **inject frames** for **all frames 802.11a/g/n/ac/ax** and **all bandwidths (20/40/80/160 MHz) with NO LIMITS**. Based on the NIC used also **6 GHz band is supported** (5945 - 7125 MHz). The main tool provides for users [Command line interface](command_line_interface.md) where can set up all parameters. For users less proficient at the command line and for comfortable tuning parameters [Graphical user interface](graphical_user_interface.md) is provided.
!!! Warning
FeitCSI is unlocked for all supported bands, channels, etc. You are responsible for following the laws of the country, frequency, and power levels in which the device is used.
Are you prepared? Read [Getting started](getting_started.md) guide.
---
## For users
Any use of the Software which results in an academic publication or other publication which includes a bibliography must include
citations to the FeitCSI project:
"Miroslav Hutar, Peter Brida and Juraj Machaj. FeitCSI, the 802.11 CSI tool. https://feitcsi.kuskosoft.com"
```
@electronic{feitcsi:project,
author = {Hutar, Miroslav and Brida, Peter and Machaj, Juraj},
title = {FeitCSI, the 802.11 CSI tool},
url = {https://feitcsi.kuskosoft.com},
year = {2023}
}
```
---
## Competition
There are some platforms, that are used to extract CSI from commodity hardware. However, they don't support current standards or injection packets. The only one competition is PicoScenes. It is a robust and good platform but FeitCSI has several advantages against it:
* **All for free without limits** (Some of the functionality (full 6GHz spectrum, packet injection in 11ac/ax format with 80/160MHz channel bandwidth, ...) are allowed after payment for the license in PicoScenes)
* **No restriction to specific version of Linux OS and computer architecture** (PicoScenes work only on CPU with SSE4.2 or AVX2 and you need to have Ubuntu 20.04 LTS or its variants. **FeitCSI will work on every computer architecture** where can be installed Linux (e.g. x86-64, ARM). But of course, you have to plug NICs via PCI.)
* **Support virtual environment** (If you don't want to install software on your computer or you have trouble, just download our prepared image of FeitCSI and enjoy FeitCSI in the virtual environment. Follow the steps in [Getting started - Virtual environment](getting_started.md#virtual-environment))
* **Live medium** (Our image can be also used in live medium (e.g. USB), not only in the virtual environment)
* **No data collection** (PicoScenes has in eula that you agree to fill and share real information about your affiliation and research team also they collected and use statistics on selected information on your computer, including but not limited to computer hardware information, non-personal files on your computer and data or files generated by its software. Based on the last words your CSI data aren't safe. Looks a bit like spyware to me)
* **User friendly GUI application** (We provide a GUI application where you can fast-tune parameters by filling in fields in the form)

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "Csi.h"
#include <cstring>
#include <string>
#include <fstream>
#include <iterator>
#include <vector>
#include <iostream>
#include <filesystem>
#include "main.h"
#include "rs.h"
#include "Logger.h"
Csi::Csi()
{
}
Csi::~Csi()
{
if (this->rawCsiData)
{
delete rawCsiData;
}
}
void Csi::loadFromFile(std::string fileName)
{
std::ifstream ifs(fileName, std::ios::binary);
ifs.read((char *)&this->rawHeaderData, CSI_HEADER_LENGTH);
this->rawCsiData = new uint8_t[this->rawHeaderData.csiDataSize];
// uint8_t rawCsiData[this->rawHeaderData.csiDataSize];
ifs.read((char *)this->rawCsiData, this->rawHeaderData.csiDataSize);
this->processRawCsi();
}
void Csi::loadFromMemory(uint8_t *pHeader, uint8_t *pRawCsiData)
{
memcpy(&this->rawHeaderData, pHeader, CSI_HEADER_LENGTH);
this->rawCsiData = new uint8_t[this->rawHeaderData.csiDataSize];
memcpy(this->rawCsiData, pRawCsiData, this->rawHeaderData.csiDataSize);
this->processRawCsi();
}
void Csi::loadFromMemory(uint8_t *rawData)
{
memcpy(&this->rawHeaderData, rawData, CSI_HEADER_LENGTH);
this->rawCsiData = new uint8_t[this->rawHeaderData.csiDataSize];
memcpy(this->rawCsiData, &rawData[CSI_HEADER_LENGTH], this->rawHeaderData.csiDataSize);
this->processRawCsi();
}
void Csi::save()
{
std::ofstream outfile;
outfile.open(arguments.outputFile, std::ios_base::app | std::ios::binary);
if (outfile.fail())
{
throw std::ios_base::failure("Open file failed: " + std::string(std::strerror(errno)));
}
outfile.write(reinterpret_cast<char *>(&this->rawHeaderData), sizeof(RawHeaderData));
outfile.write(reinterpret_cast<char *>(this->rawCsiData), this->rawHeaderData.csiDataSize);
outfile.close();
std::filesystem::permissions(arguments.outputFile, std::filesystem::perms::all & ~(std::filesystem::perms::owner_exec | std::filesystem::perms::group_exec | std::filesystem::perms::others_exec), std::filesystem::perm_options::add);
}
void Csi::fixCsiBug()
{
if (this->channelWidth != RATE_MCS_CHAN_WIDTH_160)
{
return;
}
if (this->format != RATE_MCS_VHT_MSK && this->format != RATE_MCS_HE_MSK)
{
return;
}
uint16_t newSubcarrierSize = 0;
if (this->format == RATE_MCS_VHT_MSK && this->rawHeaderData.numSubCarriers == 484)
{
return;
}
else if (this->format == RATE_MCS_VHT_MSK)
{
newSubcarrierSize = 484;
}
if (this->format == RATE_MCS_HE_MSK && this->rawHeaderData.numSubCarriers == 1992)
{
return;
}
else if (this->format == RATE_MCS_HE_MSK)
{
newSubcarrierSize = 1992;
}
for (uint32_t i = 0; i < this->rawHeaderData.csiDataSize; i = i + 4)
{
if (format == RATE_MCS_VHT_MSK)
{
if (i > (241 * 4) && i < (256 * 4)) // Fix the firmware bug
continue;
}
}
uint32_t newTotalSize = newSubcarrierSize * 4 *this->numRx * this->numTx;
uint8_t fixedCsiData[newTotalSize];
uint32_t newIndex = 0;
uint32_t oldIndex = 0;
for (uint32_t rx = 0; rx < this->numRx; rx++)
{
for (uint32_t tx = 0; tx < this->numTx; tx++)
{
for (uint32_t n = 0; n < this->numSubCarriers; n++)
{
if (this->format == RATE_MCS_VHT_MSK)
{
if (n > 241 && n < 256)
{
oldIndex += 4;
continue;
}
}
if (this->format == RATE_MCS_HE_MSK)
{
if (n > 995 && n < 1024)
{
oldIndex += 4;
continue;
}
}
memcpy(&fixedCsiData[newIndex], &this->rawCsiData[oldIndex], 4);
oldIndex += 4;
newIndex += 4;
}
}
}
this->numSubCarriers = newSubcarrierSize;
this->rawHeaderData.numSubCarriers = this->numSubCarriers;
this->rawHeaderData.csiDataSize = newTotalSize;
delete this->rawCsiData;
this->rawCsiData = new uint8_t[newTotalSize];
memcpy(this->rawCsiData, fixedCsiData, newTotalSize);
}
void Csi::processRawCsi()
{
this->numRx = this->rawHeaderData.numRx;
this->numTx = this->rawHeaderData.numTx;
this->numSubCarriers = this->rawHeaderData.numSubCarriers;
this->format = this->rawHeaderData.rateNflag & RATE_MCS_MOD_TYPE_MSK;
this->channelWidth = this->rawHeaderData.rateNflag & RATE_MCS_CHAN_WIDTH_MSK;
this->fixCsiBug();
for (uint32_t i = 0; i < this->rawHeaderData.csiDataSize; i = i + 4)
{
int16_t real = this->rawCsiData[i] | this->rawCsiData[i + 1] << 8;
int16_t imag = this->rawCsiData[i + 2] | this->rawCsiData[i + 3] << 8;
/* if (format == RATE_MCS_VHT_MSK)
{
if (i > (241 * 4) && i < (256 * 4)) // Fix the firmware bug
continue;
} */
const std::complex<double> c(real, imag);
this->csi.push_back(c);
this->magnitude.push_back(std::abs(c));
this->phase.push_back(std::arg(c));
}
//this->unwrapPhase();
if (arguments.verbose)
{
Logger::log(info) << "Subcarrier count: " << this->rawHeaderData.numSubCarriers << ", ";
Logger::log(info, true) << "RX: " << +this->rawHeaderData.numRx << ", ";
Logger::log(info, true) << "TX: " << +this->rawHeaderData.numTx << ", ";
switch (channelWidth)
{
case RATE_MCS_CHAN_WIDTH_20:
Logger::log(info, true) << "Channel width: 20, ";
break;
case RATE_MCS_CHAN_WIDTH_40:
Logger::log(info, true) << "Channel width: 40, ";
break;
case RATE_MCS_CHAN_WIDTH_80:
Logger::log(info, true) << "Channel width: 80, ";
break;
case RATE_MCS_CHAN_WIDTH_160:
Logger::log(info, true) << "Channel width: 160, ";
break;
}
switch (format)
{
case RATE_MCS_CCK_MSK: // VERY OLD FORMAT
Logger::log(info, true) << "Format: CCK\n";
break;
case RATE_MCS_LEGACY_OFDM_MSK:
Logger::log(info, true) << "Format: LEGACY_OFDM\n";
break;
break;
case RATE_MCS_HT_MSK:
Logger::log(info, true) << "Format: HT\n";
break;
break;
case RATE_MCS_VHT_MSK:
Logger::log(info, true) << "Format: VHT\n";
break;
break;
case RATE_MCS_HE_MSK:
Logger::log(info, true) << "Format: HE\n";
break;
break;
case RATE_MCS_EHT_MSK:
Logger::log(info, true) << "Format: EHT\n";
break;
break;
}
}
}
void Csi::backup()
{
if (this->csiBackup.empty())
{
this->csiBackup = this->csi;
}
}
void Csi::restore()
{
this->csi = this->csiBackup;
this->recalcMagnitudePhase();
}
void Csi::magnitudePhaseToComplex()
{
for (uint32_t i = 0; i < this->csi.size(); i++)
{
this->csi[i].real(this->magnitude[i] * cos(this->phase[i]));
this->csi[i].imag(this->magnitude[i] * sin(this->phase[i]));
}
}
void Csi::recalcMagnitudePhase()
{
this->magnitude.clear();
this->phase.clear();
for (std::complex<double> c : this->csi)
{
this->magnitude.push_back(std::abs(c));
this->phase.push_back(std::arg(c));
}
//this->unwrapPhase();
}
const std::vector<uint32_t> Csi::getPilotIndices()
{
switch (this->format)
{
case RATE_MCS_CCK_MSK: // VERY OLD FORMAT NOT USED NOW
break;
case RATE_MCS_LEGACY_OFDM_MSK:
return this->NO_NHT_20_PILOT_INDICES;
break;
case RATE_MCS_HT_MSK:
switch (channelWidth)
{
case RATE_MCS_CHAN_WIDTH_20:
return HT_VHT_20_PILOT_INDICES;
break;
case RATE_MCS_CHAN_WIDTH_40:
return HT_VHT_40_PILOT_INDICES;
break;
}
break;
case RATE_MCS_VHT_MSK:
switch (this->channelWidth)
{
case RATE_MCS_CHAN_WIDTH_20:
return HT_VHT_20_PILOT_INDICES;
break;
case RATE_MCS_CHAN_WIDTH_40:
return HT_VHT_40_PILOT_INDICES;
break;
case RATE_MCS_CHAN_WIDTH_80:
return VHT_80_PILOT_INDICES;
break;
case RATE_MCS_CHAN_WIDTH_160:
return VHT_160_PILOT_INDICES;
break;
}
break;
case RATE_MCS_HE_MSK:
switch (channelWidth)
{
case RATE_MCS_CHAN_WIDTH_20:
return HE_20_PILOT_INDICES;
break;
case RATE_MCS_CHAN_WIDTH_40:
return HE_40_PILOT_INDICES;
break;
case RATE_MCS_CHAN_WIDTH_80:
return HE_80_PILOT_INDICES;
break;
case RATE_MCS_CHAN_WIDTH_160:
return HE_160_PILOT_INDICES;
break;
}
break;
case RATE_MCS_EHT_MSK:
// TODO WiFi 7
break;
}
std::vector<uint32_t> v;
return v;
}
double Csi::constrainAngle(double x){
x = fmod(x + M_PI,M_2_PI);
if (x < 0)
x += M_2_PI;
return x - M_PI;
}
// convert to [-360,360]
double Csi::angleConv(double angle){
return fmod(constrainAngle(angle),M_2_PI);
}
double Csi::angleDiff(double a,double b){
double dif = fmod(b - a + M_PI,M_2_PI);
if (dif < 0)
dif += M_2_PI;
return dif - M_PI;
}
double Csi::unwrap(double previousAngle,double newAngle){
float d = newAngle - previousAngle;
d = d > M_PI ? d - 2 * M_PI : (d < -M_PI ? d + 2 * M_PI : d);
return previousAngle + d;
//return previousAngle - angleDiff(newAngle,angleConv(previousAngle));
}
void Csi::unwrapPhase()
{
uint32_t offset = 0;
for (uint32_t rx = 0; rx < this->numRx; rx++)
{
for (uint32_t tx = 0; tx < this->numTx; tx++)
{
for (uint32_t n = 1; n < this->numSubCarriers; n++)
{
uint32_t index = n + offset;
this->phase[index] = this->unwrap(this->phase[index - 1], this->phase[index]);
}
offset += this->numSubCarriers;
}
}
}

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "CsiProcessor.h"
#include "main.h"
#include "Logger.h"
#include "GnuPlot.h"
#include "interpolation.h"
#include <fstream>
#include <numeric>
#include <filesystem>
#include <cstring>
bool CsiProcessor::loadCsi()
{
this->clearState();
std::ifstream ifs(arguments.inputFile, std::ios::binary);
ifs.seekg (0, ifs.end);
int length = ifs.tellg();
ifs.seekg (0, ifs.beg);
int currentPosition = 0;
while (currentPosition < length)
{
uint32_t csiDataSize;
ifs.read((char *)&csiDataSize, 4);
ifs.seekg(currentPosition, ifs.beg);
uint8_t rawData[CSI_HEADER_LENGTH + csiDataSize];
ifs.read((char *)rawData, CSI_HEADER_LENGTH + csiDataSize);
Csi *c = new Csi();
c->loadFromMemory(rawData);
this->csiData.push_back(c);
currentPosition = ifs.tellg();
//break;
}
Logger::log(info) << "Csi loaded \n";
return true;
}
void CsiProcessor::saveCsi()
{
std::ofstream outfile;
outfile.open(arguments.outputFile, std::ios_base::app | std::ios::binary);
if (outfile.fail())
{
throw std::ios_base::failure("Open file failed: " + std::string(std::strerror(errno)));
}
this->process(*(this->csiData[0]));
for (Csi *c : this->csiData) {
this->process(*c);
c->rawHeaderData.csiDataSize = sizeof(std::complex<double>) * c->csi.size();
outfile.write(reinterpret_cast<char *>(&c->rawHeaderData), sizeof(RawHeaderData));
outfile.write(reinterpret_cast<char *>(c->csi.data()), c->rawHeaderData.csiDataSize);
}
outfile.close();
std::filesystem::permissions(arguments.outputFile, std::filesystem::perms::all & ~(std::filesystem::perms::owner_exec | std::filesystem::perms::group_exec | std::filesystem::perms::others_exec), std::filesystem::perm_options::add);
}
CsiProcessor::~CsiProcessor()
{
this->clearState();
}
void CsiProcessor::clearState()
{
if (this->csiData.empty())
{
return;
}
for (Csi *c : this->csiData) {
delete c;
}
}
void CsiProcessor::interpolate(Csi &csi, processor type)
{
const std::vector<uint32_t> pilotIndices = csi.getPilotIndices();
uint32_t offset = 0;
for (uint32_t rx = 0; rx < csi.numRx; rx++)
{
for (uint32_t tx = 0; tx < csi.numTx; tx++)
{
for (uint32_t pilotIndice : pilotIndices) {
uint32_t index = pilotIndice + offset;
if (type == processor::interpolateLinear)
{
csi.magnitude[index] = interpolation::linearInterpolate(csi.magnitude[index - 1], csi.magnitude[index + 1], 0.5);
csi.phase[index] = interpolation::linearInterpolate(csi.phase[index - 1], csi.phase[index + 1], 0.5);
}
else if(type == processor::interpolateCubic)
{
csi.magnitude[index] = interpolation::cubicInterpolate(csi.magnitude[index - 2], csi.magnitude[index - 1], csi.magnitude[index + 1], csi.magnitude[index + 2], 0.5);
csi.phase[index] = interpolation::cubicInterpolate(csi.phase[index - 2], csi.phase[index - 1], csi.phase[index + 1], csi.phase[index + 2], 0.5);
}
else if(type == processor::interpolateCosine)
{
csi.magnitude[index] = interpolation::cosineInterpolate(csi.magnitude[index - 1], csi.magnitude[index + 1], 0.5);
csi.phase[index] = interpolation::cosineInterpolate(csi.phase[index - 1], csi.phase[index + 1], 0.5);
}
}
offset += csi.numSubCarriers;
}
}
csi.magnitudePhaseToComplex();
}
void CsiProcessor::process(Csi &csi)
{
csi.backup();
csi.restore();
if (arguments.processors[processor::interpolateLinear])
{
this->interpolate(csi, processor::interpolateLinear);
}
else if (arguments.processors[processor::interpolateCubic])
{
this->interpolate(csi, processor::interpolateCubic);
}
else if (arguments.processors[processor::interpolateCosine])
{
this->interpolate(csi, processor::interpolateCosine);
}
if (arguments.processors[processor::phaseCalibrationLinearTransform])
{
this->phaseCalibLinearTransform(csi);
}
}
//WiFi-Based Real-Time Calibration-Free Passive Human Motion Detection
void CsiProcessor::phaseCalibLinearTransform(Csi &csi)
{
/* double a = (csi.phase.back() - csi.phase[0]) / (csi.phase.size());
double b = std::reduce(csi.phase.begin(), csi.phase.end()) / csi.phase.size();
for (uint32_t i = 0; i < csi.phase.size(); i++) {
csi.phase[i] = csi.phase[i] - (a*(i + 1) + b);
} */
uint32_t offset = 0;
//double sk[] = {-26, -25, -24, -23, -22, -21, -20, -19, -18, -17, -16, -15, -14, -13, -12, -11, -10, -9, -8, -7, -6, -5, -4, -3, -2, -1, 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};
std::vector<int> sk;
for (int i = (csi.numSubCarriers / 2); i >= 0 ; i--)
{
sk.push_back(-i);
}
for (uint32_t i = 1; i <= (csi.numSubCarriers / 2) ; i++)
{
sk.push_back(i);
}
csi.unwrapPhase();
for (uint32_t rx = 0; rx < csi.numRx; rx++)
{
for (uint32_t tx = 0; tx < csi.numTx; tx++)
{
uint32_t firstIndex = offset;
uint32_t lastIndex = offset + (csi.numSubCarriers - 1);
double sum = 0;
for (uint32_t i = firstIndex; i <= lastIndex; i++) {
sum += csi.phase[i];
}
double a = (csi.phase[lastIndex] - csi.phase[firstIndex]) / (sk.back() - sk[0]);
double b = sum / csi.numSubCarriers;
uint32_t k = 0;
for (uint32_t i = firstIndex; i <= lastIndex; i++) {
csi.phase[i] = csi.phase[i] - a*sk[k] - b;
k++;
}
offset += csi.numSubCarriers;
}
}
csi.magnitudePhaseToComplex();
}

254
src/MainController.cpp Normal file
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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "MainController.h"
#include "main.h"
#include "Logger.h"
#include "gui/MainWindow.h"
#include "layout.h"
#include <iostream>
#include <chrono>
#include <thread>
MainController::MainController()
{
signal(SIGINT, this->intHandler);
}
MainController *MainController::getInstance()
{
if (INSTANCE == nullptr)
{
INSTANCE = new MainController();
}
return INSTANCE;
}
void MainController::deleteInstance()
{
delete MainController::INSTANCE;
}
void MainController::runNoGui()
{
this->initInterface();
if (arguments.measure)
{
pthread_create(&this->measureCsiThread, NULL, &MainController::measureCsi, NULL);
}
if (arguments.inject)
{
pthread_create(&this->injectPacketThread, NULL, &MainController::injectPackets, NULL);
}
if (arguments.measure)
{
pthread_join(this->measureCsiThread, NULL);
}
if (arguments.inject)
{
pthread_join(this->injectPacketThread, NULL);
}
this->deleteInstance();
}
void MainController::measureCsi(bool stop)
{
this->wifiController.setFreq(arguments.frequency, arguments.bandwidth.c_str());
if (stop)
{
pthread_cancel(this->measureCsiThread);
}
else
{
pthread_create(&this->measureCsiThread, NULL, &MainController::measureCsi, NULL);
pthread_detach(this->measureCsiThread);
}
}
void MainController::injectPackets(bool stop)
{
this->wifiController.setTxPower();
this->wifiController.setFreq(arguments.frequency, arguments.bandwidth.c_str());
if (stop)
{
pthread_cancel(this->injectPacketThread);
}
else
{
pthread_create(&this->injectPacketThread, NULL, &MainController::injectPackets, NULL);
pthread_detach(this->injectPacketThread);
}
}
void MainController::runGui()
{
arguments.plot = true;
arguments.verbose = true;
arguments.measure = false;
arguments.inject = false;
gtk_init(NULL, NULL);
Glib::init();
auto app = Gtk::Application::create("com.kuskosoft.feitcsi");
std::string layout((char*)MainWindow_glade);
auto builder = Gtk::Builder::create_from_string(layout);
builder->get_widget_derived("MainWindow", this->mainWindow);
app->run(*this->mainWindow);
}
void MainController::initInterface()
{
try
{
this->wifiController.init();
this->wifiController.getInterfaces();
this->wifiController.getPhys();
// delete actual interfaces
for (InterfaceInfo interface : this->wifiController.interfaces)
{
if (arguments.verbose)
{
Logger::log(info) << "Remove interface " << interface.ifName << "\n";
}
this->bkpInterfaces.push_back(interface);
this->wifiController.removeInterface(NULL, interface.ifIndex);
}
this->wifiController.addMonitorDevice(MONITOR_INTERFACE_NAME, NL80211_IFTYPE_MONITOR);
this->wifiController.setInterfaceUpDown(MONITOR_INTERFACE_NAME, true);
this->wifiController.setFreq(arguments.frequency, arguments.bandwidth.c_str());
if (!MainController::mainWindow)
{
std::this_thread::sleep_for(std::chrono::milliseconds(500)); //wait on init then set power and go next
this->wifiController.setTxPower();
}
}
catch(const std::exception& e)
{
if (MainController::mainWindow)
{
MainController::mainWindow->fatalError(e.what());
}
else
{
Logger::log(error) << e.what() << '\n';
delete MainController::INSTANCE;
exit(1);
}
}
}
void *MainController::measureCsi(void *arg)
{
try
{
WiFiCsiController wcs;
wcs.init();
wcs.listenToCsi();
}
catch (const std::exception &e)
{
if (MainController::mainWindow)
{
MainController::mainWindow->fatalError(e.what());
}
else
{
Logger::log(error) << e.what() << '\n';
}
}
return 0;
}
void *MainController::injectPackets(void *arg)
{
try
{
PacketInjector pi;
if (arguments.injectRepeat)
{
for (uint32_t i = 0; i < arguments.injectRepeat; i++)
{
pi.inject();
std::this_thread::sleep_for(std::chrono::microseconds(arguments.injectDelay));
}
}
else
{
while (true)
{
pi.inject();
std::this_thread::sleep_for(std::chrono::microseconds(arguments.injectDelay));
}
}
}
catch(const std::exception& e)
{
if (MainController::mainWindow)
{
MainController::mainWindow->fatalError(e.what());
}
else
{
Logger::log(error) << e.what() << '\n';
}
}
return 0;
}
void MainController::restoreState()
{
MainController *mainController = MainController::getInstance();
if (mainController->measureCsiThread)
{
pthread_cancel(mainController->measureCsiThread);
}
if (mainController->injectPacketThread)
{
pthread_cancel(mainController->injectPacketThread);
}
mainController->wifiController.removeInterface(MONITOR_INTERFACE_NAME);
for (InterfaceInfo interface : mainController->bkpInterfaces)
{
if (arguments.verbose)
{
Logger::log(info) << "Recovering interface " << interface.ifName << "\n";
}
mainController->wifiController.addMonitorDevice(interface.ifName.c_str(), (nl80211_iftype)interface.ifType);
}
if (arguments.verbose)
{
Logger::log(info) << "Exiting recovery state...\n";
}
}
MainController::~MainController()
{
this->restoreState();
}
void MainController::intHandler(int dummy)
{
delete MainController::INSTANCE;
exit(0);
}

251
src/Netlink.cpp Normal file
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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "Netlink.h"
#include <errno.h>
#include <iostream>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include <netlink/attr.h>
void Netlink::init()
{
/* int err = */ this->nlInit(&this->nlstate);
// TODO if error
}
int Netlink::nlInit(struct nl80211_state *state)
{
int err;
std::string errMsg;
state->nl_sock = nl_socket_alloc();
if (!state->nl_sock)
{
throw std::ios_base::failure("Failed to allocate netlink socket.\n");
return -ENOMEM;
}
if (genl_connect(state->nl_sock))
{
errMsg = "Failed to connect to generic netlink.\n";
err = -ENOLINK;
goto out_handle_destroy;
}
nl_socket_set_buffer_size(state->nl_sock, 8192, 8192);
/* try to set NETLINK_EXT_ACK to 1, ignoring errors */
err = 1;
setsockopt(nl_socket_get_fd(state->nl_sock), SOL_NETLINK,
NETLINK_EXT_ACK, &err, sizeof(err));
state->nl80211_id = genl_ctrl_resolve(state->nl_sock, "nl80211");
if (state->nl80211_id < 0)
{
errMsg = "nl80211 not found.\n";
err = -ENOENT;
goto out_handle_destroy;
}
return 0;
out_handle_destroy:
nl_socket_free(state->nl_sock);
if (!errMsg.empty())
{
throw std::ios_base::failure(errMsg);
}
return err;
}
int Netlink::nlExecCommand(Cmd &cmd)
{
int err = 0;
std::string errMsg;
struct nl_msg *msg = nlmsg_alloc();
if (!msg)
{
throw std::ios_base::failure("failed to allocate netlink message\n");
return 2;
}
struct nl_cb *cb = nl_cb_alloc(NL_CB_DEFAULT);
struct nl_cb *s_cb = nl_cb_alloc(NL_CB_DEFAULT);
if (!cb || !s_cb)
{
errMsg = "failed to allocate netlink callbacks\n";
err = 2;
goto out;
}
genlmsg_put(msg, 0, 0, this->nlstate.nl80211_id, 0, cmd.nlFlags, cmd.id, 0);
switch (cmd.idby)
{
case CIB_PHY:
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY, cmd.device);
break;
case CIB_NETDEV:
NLA_PUT_U32(msg, NL80211_ATTR_IFINDEX, cmd.device);
break;
case CIB_WDEV:
NLA_PUT_U64(msg, NL80211_ATTR_WDEV, cmd.device);
break;
default:
break;
}
if (cmd.handler)
{
err = cmd.handler(&this->nlstate, msg, cmd.args);
}
if (err)
goto out;
nl_socket_set_cb(this->nlstate.nl_sock, s_cb);
err = nl_send_auto_complete(this->nlstate.nl_sock, msg);
if (err < 0)
goto out;
err = 1;
nl_cb_err(cb, NL_CB_CUSTOM, this->error_handler, &err);
nl_cb_set(cb, NL_CB_FINISH, NL_CB_CUSTOM, this->finish_handler, &err);
nl_cb_set(cb, NL_CB_ACK, NL_CB_CUSTOM, this->ack_handler, &err);
nl_cb_set(cb, NL_CB_MSG_IN, NL_CB_CUSTOM, cmd.valid_handler ? cmd.valid_handler : this->nlValidHandler, this);
while (err > 0)
{
nl_recvmsgs(this->nlstate.nl_sock, cb);
}
if (err < 0)
{
errMsg = "command failed: " + std::string(strerror(-err)) + std::to_string(err) + "\n";
}
out:
nl_cb_put(cb);
nl_cb_put(s_cb);
nlmsg_free(msg);
if (!errMsg.empty())
{
throw std::ios_base::failure(errMsg);
}
return err;
nla_put_failure:
throw std::ios_base::failure("building message failed\n");
return 2;
}
int Netlink::nlValidHandler(struct nl_msg *msg, void *arg)
{
return NL_OK;
}
int Netlink::error_handler(struct sockaddr_nl *nla, struct nlmsgerr *err, void *arg)
{
struct nlmsghdr *nlh = (struct nlmsghdr *)err - 1;
int len = nlh->nlmsg_len;
struct nlattr *attrs;
struct nlattr *tb[NLMSGERR_ATTR_MAX + 1];
int *ret = (int *)arg;
int ack_len = sizeof(*nlh) + sizeof(int) + sizeof(*nlh);
if (err->error > 0)
{
/*
* This is illegal, per netlink(7), but not impossible (think
* "vendor commands"). Callers really expect negative error
* codes, so make that happen.
*/
throw std::ios_base::failure("ERROR: received positive netlink error code " + std::to_string(err->error) + "\n");
*ret = -EPROTO;
}
else
{
*ret = err->error;
}
if (!(nlh->nlmsg_flags & NLM_F_ACK_TLVS))
return NL_STOP;
if (!(nlh->nlmsg_flags & NLM_F_CAPPED))
ack_len += err->msg.nlmsg_len - sizeof(*nlh);
if (len <= ack_len)
return NL_STOP;
attrs = (nlattr *)((unsigned char *)nlh + ack_len);
len -= ack_len;
nla_parse(tb, NLMSGERR_ATTR_MAX, attrs, len, NULL);
if (tb[NLMSGERR_ATTR_MSG])
{
len = strnlen((char *)nla_data(tb[NLMSGERR_ATTR_MSG]),
nla_len(tb[NLMSGERR_ATTR_MSG]));
throw std::ios_base::failure("kernel reports: " + std::string((char *)nla_data(tb[NLMSGERR_ATTR_MSG])) + "\n");
}
return NL_STOP;
}
int Netlink::finish_handler(struct nl_msg *msg, void *arg)
{
int *ret = (int *)arg;
*ret = 0;
return NL_SKIP;
}
int Netlink::ack_handler(struct nl_msg *msg, void *arg)
{
int *ret = (int *)arg;
*ret = 0;
return NL_STOP;
}
/* 1. EPERM: Operation not permitted - The requested operation is not allowed due to insufficient permissions.
2. ESRCH: No such process - The specified process or resource could not be found.
3. EINTR: Interrupted system call - The system call was interrupted by a signal.
4. EBADF: Bad file descriptor - The file descriptor provided is not valid.
5. EFAULT: Bad address - The provided memory address is invalid or inaccessible.
6. EINVAL: Invalid argument - One or more of the arguments provided is not valid.
7. EIO: Input/output error - An error occurred during input or output operations.
8. ENOMEM: Out of memory - Insufficient memory is available to complete the requested operation.
9. EACCES: Permission denied - The requested operation is not allowed due to permission restrictions.
10. EBUSY: Device or resource busy - The requested device or resource is currently in use.
1. EPERM: -1
2. ESRCH: -3
3. EINTR: -4
4. EBADF: -9
5. EFAULT: -14
6. EINVAL: -22
7. EIO: -5
8. ENOMEM: -12
9. EACCES: -13
10. EBUSY: -16 */

183
src/PacketInjector.cpp Normal file
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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "PacketInjector.h"
#include "main.h"
#include "Logger.h"
#include <string.h>
#include <pcap.h>
#include <iostream>
#define SPATIAL_STREAM 16
uint8_t ieee80211Header[] = {
0xe0, 0x80, 0x00, 0x00, 0x00, 0x16, 0xea, 0x12, 0x34, 0x56, 0x00, 0x16, 0xea, 0x12, 0x34, 0x56, 0x98, 0x59, 0x7a, 0x8b, 0x34, 0x3b, 0x00, 0x00, 0x15, 0x03, 0x15, 0x20};
uint8_t ieee80211Body[] = {};
void PacketInjector::inject()
{
if (arguments.verbose)
{
Logger::log(info) << "Injecting " << arguments.format << "\n";
}
if (arguments.format == "NOHT")
{
this->injectNoHT();
}
else if (arguments.format == "HT")
{
this->injectHT();
}
else if (arguments.format == "VHT")
{
this->injectVHT();
}
else if (arguments.format == "HESU")
{
this->injectHE();
}
}
void PacketInjector::injectNoHT()
{
uint8_t mcs = 0;
if (RATE_LEGACY_RATE_MSK >= arguments.mcs)
{
mcs = RATE_LEGACY_RATE_MSK & arguments.mcs;
}
uint32_t rateNFlags = RATE_MCS_LEGACY_OFDM_MSK | mcs;
this->send(rateNFlags);
}
void PacketInjector::injectHT()
{
uint8_t mcs = 0;
if (RATE_HT_MCS_CODE_MSK >= arguments.mcs)
{
mcs = RATE_HT_MCS_CODE_MSK & arguments.mcs;
}
uint32_t rateNFlags =
RATE_MCS_HT_MSK |
mcs |
(arguments.channelWidth == 40 ? RATE_MCS_CHAN_WIDTH_40 : 0) |
(arguments.spatialStreams == 2 ? SPATIAL_STREAM : 0) |
(arguments.spatialStreams == 2 ? RATE_MCS_ANT_AB_MSK : 0) |
(arguments.guardInterval == 400 ? RATE_MCS_SGI_MSK : 0) |
(arguments.coding == "LDPC" ? RATE_MCS_LDPC_MSK : 0);
this->send(rateNFlags);
}
void PacketInjector::injectVHT()
{
uint8_t mcs = 0;
if (RATE_MCS_CODE_MSK >= arguments.mcs)
{
mcs = RATE_MCS_CODE_MSK & arguments.mcs;
}
uint32_t rateNFlags =
RATE_MCS_VHT_MSK |
mcs |
(arguments.channelWidth == 40 ? RATE_MCS_CHAN_WIDTH_40 : 0) |
(arguments.channelWidth == 80 ? RATE_MCS_CHAN_WIDTH_80 : 0) |
(arguments.channelWidth == 160 ? RATE_MCS_CHAN_WIDTH_160 : 0) |
(arguments.spatialStreams == 2 ? SPATIAL_STREAM : 0) |
(arguments.spatialStreams == 2 ? RATE_MCS_ANT_AB_MSK : 0) |
(arguments.guardInterval == 400 ? RATE_MCS_SGI_MSK : 0) |
(arguments.coding == "LDPC" ? RATE_MCS_LDPC_MSK : 0);
this->send(rateNFlags);
}
void PacketInjector::injectHE()
{
uint8_t mcs = 0;
if (RATE_MCS_CODE_MSK >= arguments.mcs)
{
mcs = RATE_MCS_CODE_MSK & arguments.mcs;
}
uint32_t ltf = 1;
if (arguments.ltf == "2xLTF+0.8")
{
ltf = 1;
}
else if (arguments.ltf == "2xLTF+1.6")
{
ltf = 2;
}
else if (arguments.ltf == "4xLTF+3.2")
{
ltf = 3;
}
else if (arguments.ltf == "4xLTF+0.8")
{
ltf = 4;
}
ltf = (ltf << RATE_MCS_HE_GI_LTF_POS) & RATE_MCS_HE_GI_LTF_MSK;
uint32_t rateNFlags =
RATE_MCS_HE_MSK |
RATE_MCS_LDPC_MSK |
mcs |
ltf |
(arguments.channelWidth == 40 ? RATE_MCS_CHAN_WIDTH_40 : 0) |
(arguments.channelWidth == 80 ? RATE_MCS_CHAN_WIDTH_80 : 0) |
(arguments.channelWidth == 160 ? RATE_MCS_CHAN_WIDTH_160 : 0) |
(arguments.spatialStreams == 2 ? SPATIAL_STREAM : 0) |
(arguments.spatialStreams == 2 ? RATE_MCS_ANT_AB_MSK : 0);
this->send(rateNFlags);
}
void PacketInjector::send(uint32_t rateNFlags)
{
uint32_t pos = 0;
struct ieee80211_radiotap_header rthdr;
rthdr.it_version = 0;
rthdr.it_pad = 0;
rthdr.it_present = 0;
rthdr.it_present |= BIT(IEEE80211_RADIOTAP_FLAGS);
rthdr.it_optional[pos++] = 0x80;
memcpy(&rthdr.it_optional[pos++], &rateNFlags, 4);
pos += 3;
rthdr.it_len = pos + 8;
uint8_t sendBuffer[1000];
memcpy(sendBuffer, (uint8_t *)&rthdr, rthdr.it_len);
memcpy(&sendBuffer[rthdr.it_len], ieee80211Header, sizeof(ieee80211Header));
memcpy(&sendBuffer[rthdr.it_len + sizeof(ieee80211Header)], ieee80211Body, sizeof(ieee80211Body));
uint16_t totalSize = rthdr.it_len + sizeof(ieee80211Header) + sizeof(ieee80211Body);
char szErrbuf[500];
pcap_t *ppcap = pcap_open_live("mon0", 800, 1, 20, szErrbuf);
int r = pcap_inject(ppcap, sendBuffer, totalSize);
if (r > 0)
{
//pcap_perror(ppcap, "Failed to inject packet");
pcap_close(ppcap);
//throw std::ios_base::failure("Failed to inject packet\n");
}
//pcap_close(ppcap);
}

661
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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "nl80211.h" //fix old libs
#include "WiFIController.h"
#include <errno.h>
#include <iwlib.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include <netlink/attr.h>
#include <chrono>
#include <thread>
#include <sstream>
#include <iostream>
#include <signal.h>
#include <thread>
#include "main.h"
#include "Logger.h"
const char *IF_MODES[NL80211_IFTYPE_MAX + 1] = {
"unspecified",
"IBSS",
"managed",
"AP",
"AP/VLAN",
"WDS",
"monitor",
"mesh point",
"P2P-client",
"P2P-GO",
"P2P-device",
"outside context of a BSS",
"NAN",
};
void WiFIController::killNetworkProcesses()
{
std::string procesNames[] = {
"wpa_action",
"wpa_supplicant",
"wpa_cli",
"dhclient",
"ifplugd",
"dhcdbd",
"dhcpcd",
"udhcpc",
"NetworkManager",
"knetworkmanager",
"avahi-autoipd",
"avahi-daemon",
"wlassistant",
"wifibox",
"net_applet",
"wicd-daemon",
"wicd-client",
"iwd",
"hostapd"};
for (std::string name : procesNames)
{
char buf[512];
std::string cmnd = "pidof " + name;
FILE *pipe = popen(cmnd.c_str(), "r");
fgets(buf, 512, pipe);
std::stringstream ss(buf);
std::string word;
while (ss >> word)
{ // Extract word from the stream.
pid_t pid = std::atoi(word.c_str());
if (pid)
{
kill(pid, SIGKILL);
}
}
pclose(pipe);
}
}
void WiFIController::getInterfaces()
{
Cmd cmd{
.id = NL80211_CMD_GET_INTERFACE,
.idby = CIB_NONE,
.nlFlags = NLM_F_DUMP,
.handler = NULL,
.valid_handler = this->processGetInterfacesHandler,
};
this->nlExecCommand(cmd);
}
void WiFIController::setTxPower()
{
Cmd cmd{
.id = NL80211_CMD_SET_WIPHY,
.idby = CIB_NETDEV,
.nlFlags = 0,
.device = if_nametoindex(MONITOR_INTERFACE_NAME),
.handler = this->setTxPowerHandler,
};
this->nlExecCommand(cmd);
}
void WiFIController::addMonitorDevice(const char *name, const nl80211_iftype type)
{
if (this->phys.empty())
{
throw std::ios_base::failure("Error no phy devices\n");
return;
}
const void *settings[] = {name, &type};
Cmd cmd{
.id = NL80211_CMD_NEW_INTERFACE,
.idby = CIB_PHY,
.nlFlags = 0,
.device = this->phys[0],
.handler = this->processAddMonitorDeviceHandler,
.valid_handler = NULL,
.args = settings,
};
this->nlExecCommand(cmd);
}
int WiFIController::setInterfaceUpDown(const char *ifName, bool up)
{
// Create a socket file descriptor
int sockfd = socket(AF_INET, SOCK_DGRAM, 0);
if (sockfd < 0)
{
perror("Failed to create socket");
return 1;
}
// Get the interface index
struct ifreq ifr;
memset(&ifr, 0, sizeof(ifr));
strncpy(ifr.ifr_name, ifName, IFNAMSIZ - 1);
if (ioctl(sockfd, SIOCGIFINDEX, &ifr) < 0)
{
perror("Failed to get interface index");
close(sockfd);
return 1;
}
if (up)
{
ifr.ifr_flags |= IFF_UP;
}
else
{
ifr.ifr_flags &= ~IFF_UP;
}
if (ioctl(sockfd, SIOCSIFFLAGS, &ifr) < 0)
{
perror("Failed to bring down interface");
close(sockfd);
return 1;
}
// Close the socket
close(sockfd);
if (arguments.verbose)
{
Logger::log(info) << "Interface " << ifName << " has been brought " << (up ? "up" : "down") << "\n";
}
return 0;
}
void WiFIController::setFreq(uint16_t freq, const char *bw)
{
const void *settings[] = {&freq, bw};
Cmd cmd{
.id = NL80211_CMD_SET_WIPHY,
.idby = CIB_NETDEV,
.nlFlags = 0,
.device = if_nametoindex(MONITOR_INTERFACE_NAME),
.handler = processSetFreq,
.valid_handler = NULL,
.args = settings,
};
this->nlExecCommand(cmd);
}
void WiFIController::removeInterface(const char *name, int ifIndex)
{
Cmd cmd{
.id = NL80211_CMD_DEL_INTERFACE,
.idby = CIB_NETDEV,
.nlFlags = 0,
.device = ifIndex ? ifIndex : if_nametoindex(name),
.handler = NULL,
.valid_handler = NULL,
};
this->nlExecCommand(cmd);
}
void WiFIController::getPhys()
{
Cmd cmd{
.id = NL80211_CMD_GET_WIPHY,
.idby = CIB_NONE,
.nlFlags = NLM_F_DUMP,
.handler = NULL,
.valid_handler = this->processGetPhysHandler,
};
this->nlExecCommand(cmd);
}
int WiFIController::processGetPhysHandler(struct nl_msg *msg, void *arg)
{
WiFIController *instance = (WiFIController *)arg;
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
struct genlmsghdr *gnlh = (genlmsghdr *)nlmsg_data(nlmsg_hdr(msg));
nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (tb_msg[NL80211_ATTR_WIPHY])
{
int64_t phyId = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]);
instance->phys.push_back(phyId);
}
return NL_OK;
}
uint16_t WiFIController::chanModeToWidth(struct ChanMode &chanMode)
{
switch (chanMode.width)
{
case NL80211_CHAN_WIDTH_20:
return 20;
case NL80211_CHAN_WIDTH_40:
return 40;
case NL80211_CHAN_WIDTH_80:
return 80;
case NL80211_CHAN_WIDTH_160:
return 160;
case NL80211_CHAN_WIDTH_320:
return 320;
default:
break;
}
return 0;
}
ChanMode WiFIController::getChanMode(const char *width)
{
static const struct ChanMode chanMode[] = {
{.name = "20",
.width = NL80211_CHAN_WIDTH_20,
.freq1_diff = 0,
.chantype = NL80211_CHAN_HT20},
{.name = "40",
.width = NL80211_CHAN_WIDTH_40,
.freq1_diff = 10,
.chantype = NL80211_CHAN_HT40PLUS},
{.name = "HT40-",
.width = NL80211_CHAN_WIDTH_40,
.freq1_diff = -10,
.chantype = NL80211_CHAN_HT40MINUS},
{.name = "NOHT",
.width = NL80211_CHAN_WIDTH_20_NOHT,
.freq1_diff = 0,
.chantype = NL80211_CHAN_NO_HT},
{.name = "5MHz",
.width = NL80211_CHAN_WIDTH_5,
.freq1_diff = 0,
.chantype = -1},
{.name = "10MHz",
.width = NL80211_CHAN_WIDTH_10,
.freq1_diff = 0,
.chantype = -1},
{.name = "80",
.width = NL80211_CHAN_WIDTH_80,
.freq1_diff = 0,
.chantype = -1},
{.name = "160",
.width = NL80211_CHAN_WIDTH_160,
.freq1_diff = 0,
.chantype = -1},
{.name = "320MHz",
.width = NL80211_CHAN_WIDTH_320,
.freq1_diff = 0,
.chantype = -1},
{.name = "1MHz",
.width = NL80211_CHAN_WIDTH_1,
.freq1_diff = 0,
.chantype = -1},
{.name = "2MHz",
.width = NL80211_CHAN_WIDTH_2,
.freq1_diff = 0,
.chantype = -1},
{.name = "4MHz",
.width = NL80211_CHAN_WIDTH_4,
.freq1_diff = 0,
.chantype = -1},
{.name = "8MHz",
.width = NL80211_CHAN_WIDTH_8,
.freq1_diff = 0,
.chantype = -1},
{.name = "16MHz",
.width = NL80211_CHAN_WIDTH_16,
.freq1_diff = 0,
.chantype = -1},
};
struct ChanMode selectedChanMode = {};
for (unsigned int i = 0; i < ARRAY_SIZE(chanMode); i++)
{
if (strcasecmp(chanMode[i].name, width) == 0)
{
selectedChanMode = chanMode[i];
break;
}
}
return selectedChanMode;
}
int WiFIController::processSetFreq(struct nl80211_state *state, struct nl_msg *msg, void *arg)
{
void **settings = (void **)arg;
uint16_t settingsFreq = *(uint16_t *)(settings[0]);
char *settingsWidth = (char *)(settings[1]);
if (arguments.verbose)
{
Logger::log(info) << "Setting frequency " << settingsFreq << " channel width " << settingsWidth << "\n";
}
uint32_t freq = settingsFreq;
uint32_t freq_offset = 0;
unsigned int control_freq = freq;
unsigned int control_freq_offset = freq_offset;
unsigned int center_freq1 = freq;
unsigned int center_freq1_offset = freq_offset;
enum nl80211_chan_width width = control_freq < 1000 ? NL80211_CHAN_WIDTH_16 : NL80211_CHAN_WIDTH_20_NOHT;
struct ChanMode selectedChanMode = getChanMode(settingsWidth);
center_freq1 = getCf1(&selectedChanMode, freq);
/* For non-S1G frequency */
if (center_freq1 > 1000)
center_freq1_offset = 0;
width = (nl80211_chan_width)selectedChanMode.width;
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ, control_freq);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_FREQ_OFFSET, control_freq_offset);
NLA_PUT_U32(msg, NL80211_ATTR_CHANNEL_WIDTH, width);
switch (width)
{
case NL80211_CHAN_WIDTH_20_NOHT:
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, NL80211_CHAN_NO_HT);
break;
case NL80211_CHAN_WIDTH_20:
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, NL80211_CHAN_HT20);
break;
case NL80211_CHAN_WIDTH_40:
if (control_freq > center_freq1)
{
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, NL80211_CHAN_HT40MINUS);
}
else
{
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_CHANNEL_TYPE, NL80211_CHAN_HT40PLUS);
}
break;
default:
break;
}
if (center_freq1)
{
NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1, center_freq1);
}
if (center_freq1_offset)
{
NLA_PUT_U32(msg, NL80211_ATTR_CENTER_FREQ1_OFFSET, center_freq1_offset);
}
return 0;
nla_put_failure:
return -ENOBUFS;
}
int WiFIController::setTxPowerHandler(nl80211_state * state, nl_msg * msg, void * arg)
{
enum nl80211_tx_power_setting type = NL80211_TX_POWER_FIXED;
int mbm = arguments.txPower * 100; //dBm to mbm *100
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_SETTING, type);
NLA_PUT_U32(msg, NL80211_ATTR_WIPHY_TX_POWER_LEVEL, mbm);
return 0;
nla_put_failure:
return -ENOBUFS;
}
int WiFIController::processAddMonitorDeviceHandler(struct nl80211_state *state, struct nl_msg *msg, void *arg)
{
void **settings = (void **)arg;
const char *name = (const char *)settings[0];
nl80211_iftype *type = (nl80211_iftype *)(settings[1]);
NLA_PUT_STRING(msg, NL80211_ATTR_IFNAME, name);
NLA_PUT_U32(msg, NL80211_ATTR_IFTYPE, *type);
return 0;
nla_put_failure:
return -ENOBUFS;
}
int WiFIController::getCf1(const struct ChanMode *chanmode, unsigned long freq)
{
unsigned int cf1 = freq, j;
unsigned int bw80[] = {5180, 5260, 5500, 5580, 5660, 5745,
5955, 6035, 6115, 6195, 6275, 6355,
6435, 6515, 6595, 6675, 6755, 6835,
6195, 6995};
unsigned int bw160[] = {5180, 5500, 5955, 6115, 6275, 6435,
6595, 6755, 6915};
/* based on 11be D2 E.1 Country information and operating classes */
unsigned int bw320[] = {5955, 6115, 6275, 6435, 6595, 6755};
switch (chanmode->width)
{
case NL80211_CHAN_WIDTH_80:
/* setup center_freq1 */
for (j = 0; j < ARRAY_SIZE(bw80); j++)
{
if (freq >= bw80[j] && freq < bw80[j] + 80)
break;
}
if (j == ARRAY_SIZE(bw80))
break;
cf1 = bw80[j] + 30;
break;
case NL80211_CHAN_WIDTH_160:
/* setup center_freq1 */
for (j = 0; j < ARRAY_SIZE(bw160); j++)
{
if (freq >= bw160[j] && freq < bw160[j] + 160)
break;
}
if (j == ARRAY_SIZE(bw160))
break;
cf1 = bw160[j] + 70;
break;
case NL80211_CHAN_WIDTH_320:
/* setup center_freq1 */
for (j = 0; j < ARRAY_SIZE(bw320); j++)
{
if (freq >= bw320[j] && freq < bw320[j] + 160)
break;
}
if (j == ARRAY_SIZE(bw320))
break;
cf1 = bw320[j] + 150;
break;
default:
cf1 = freq + chanmode->freq1_diff;
break;
}
return cf1;
}
int WiFIController::processGetInterfacesHandler(struct nl_msg *msg, void *arg)
{
WiFIController *instance = (WiFIController *)arg;
struct genlmsghdr *gnlh = (genlmsghdr *)nlmsg_data(nlmsg_hdr(msg));
struct nlattr *tb_msg[NL80211_ATTR_MAX + 1];
struct InterfaceInfo ifInfo;
nla_parse(tb_msg, NL80211_ATTR_MAX, genlmsg_attrdata(gnlh, 0),
genlmsg_attrlen(gnlh, 0), NULL);
if (tb_msg[NL80211_ATTR_IFNAME])
{
ifInfo.ifName = nla_get_string(tb_msg[NL80211_ATTR_IFNAME]);
}
else
{
ifInfo.ifName = "Unnamed/non-netdev interface";
}
if (tb_msg[NL80211_ATTR_IFINDEX])
{
ifInfo.ifIndex = nla_get_u32(tb_msg[NL80211_ATTR_IFINDEX]);
}
if (tb_msg[NL80211_ATTR_WDEV])
{
ifInfo.wdev = (uint64_t)nla_get_u64(tb_msg[NL80211_ATTR_WDEV]);
}
if (tb_msg[NL80211_ATTR_MAC])
{
ifInfo.mac = instance->macN2a((const unsigned char *)nla_data(tb_msg[NL80211_ATTR_MAC]));
}
if (tb_msg[NL80211_ATTR_SSID])
{
ifInfo.ssid = (const char *)nla_data(tb_msg[NL80211_ATTR_SSID]);
}
if (tb_msg[NL80211_ATTR_IFTYPE])
{
ifInfo.ifType = nla_get_u32(tb_msg[NL80211_ATTR_IFTYPE]);
/* if (iftype <= NL80211_IFTYPE_MAX && IF_MODES[iftype])
{
ifInfo.type = IF_MODES[iftype];
}
else
{
ifInfo.type = "unknown";
} */
}
if (tb_msg[NL80211_ATTR_WIPHY])
{
ifInfo.wiphy = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY]);
}
if (tb_msg[NL80211_ATTR_WIPHY_FREQ])
{
ifInfo.freq = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_FREQ]);
ifInfo.channel = instance->freqToCHannel(ifInfo.freq);
if (tb_msg[NL80211_ATTR_CHANNEL_WIDTH])
{
ifInfo.channelWidth = nla_get_u32(tb_msg[NL80211_ATTR_CHANNEL_WIDTH]);
if (tb_msg[NL80211_ATTR_CENTER_FREQ1])
{
ifInfo.centerFreq1 = nla_get_u32(tb_msg[NL80211_ATTR_CENTER_FREQ1]);
}
if (tb_msg[NL80211_ATTR_CENTER_FREQ2])
{
ifInfo.centerFreq2 = nla_get_u32(tb_msg[NL80211_ATTR_CENTER_FREQ2]);
}
}
else if (tb_msg[NL80211_ATTR_WIPHY_CHANNEL_TYPE])
{
ifInfo.channelType = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_CHANNEL_TYPE]);
}
}
if (tb_msg[NL80211_ATTR_WIPHY_TX_POWER_LEVEL])
{
int32_t txp = nla_get_u32(tb_msg[NL80211_ATTR_WIPHY_TX_POWER_LEVEL]);
ifInfo.txdBm = txp % 100;
ifInfo.txdBm += txp / 100;
}
if (tb_msg[NL80211_ATTR_IFINDEX])
{
instance->interfaces.push_back(ifInfo);
}
return NL_OK;
}
std::string WiFIController::macN2a(const unsigned char *arg)
{
int i, l;
char mac_addr[20];
l = 0;
for (i = 0; i < ETH_ALEN; i++)
{
if (i == 0)
{
sprintf(mac_addr + l, "%02x", arg[i]);
l += 2;
}
else
{
sprintf(mac_addr + l, ":%02x", arg[i]);
l += 3;
}
}
std::string ret = mac_addr;
return ret;
}
int WiFIController::freqToCHannel(int freq)
{
if (freq < 1000)
return 0;
/* see 802.11-2007 17.3.8.3.2 and Annex J */
if (freq == 2484)
return 14;
/* see 802.11ax D6.1 27.3.23.2 and Annex E */
else if (freq == 5935)
return 2;
else if (freq < 2484)
return (freq - 2407) / 5;
else if (freq >= 4910 && freq <= 4980)
return (freq - 4000) / 5;
else if (freq < 5950)
return (freq - 5000) / 5;
else if (freq <= 45000) /* DMG band lower limit */
/* see 802.11ax D6.1 27.3.23.2 */
return (freq - 5950) / 5;
else if (freq >= 58320 && freq <= 70200)
return (freq - 56160) / 2160;
else
return 0;
}
int WiFIController::phyLookup(char *name)
{
char buf[200];
int fd, pos;
snprintf(buf, sizeof(buf), "/sys/class/ieee80211/%s/index", name);
fd = open(buf, O_RDONLY);
if (fd < 0)
return -1;
pos = read(fd, buf, sizeof(buf) - 1);
if (pos < 0)
{
close(fd);
return -1;
}
buf[pos] = '\0';
close(fd);
return atoi(buf);
}

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "WiFiCsiController.h"
#include "Csi.h"
#include "GnuPlot.h"
#include <errno.h>
#include <netlink/genl/genl.h>
#include <netlink/genl/family.h>
#include <netlink/genl/ctrl.h>
#include <netlink/attr.h>
#include <net/if.h>
#include <thread>
#include <filesystem>
#include <fstream>
#include <iostream>
#include "main.h"
#include "Logger.h"
#include "rs.h"
void WiFiCsiController::init()
{
Netlink::init();
this->enableCsi();
}
int WiFiCsiController::listenToCsi()
{
gnuPlot.init();
Cmd cmd{
.id = NL80211_CMD_VENDOR,
.idby = CIB_NETDEV,
.nlFlags = 0,
.device = if_nametoindex(MONITOR_INTERFACE_NAME),
.handler = this->listenToCsiHandler,
.valid_handler = this->processListenToCsiHandler,
};
return this->nlExecCommand(cmd);
}
int WiFiCsiController::listenToCsiHandler(struct nl80211_state *state, struct nl_msg *msg, void *arg)
{
NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_ID, 0x001735);
NLA_PUT_U32(msg, NL80211_ATTR_VENDOR_SUBCMD, 0x24);
return 0;
nla_put_failure:
return -ENOBUFS;
}
int WiFiCsiController::processListenToCsiHandler(struct nl_msg *msg, void *arg)
{
WiFiCsiController *instance = (WiFiCsiController *)arg;
struct nlattr *attrs[MAX_CMD + 1];
struct nlmsghdr *nlh = nlmsg_hdr(msg);
nlmsg_parse(nlh, 32, attrs, MAX_CMD, NULL);
if (attrs[IWL_MVM_VENDOR_ATTR_CSI_HDR])
{
unsigned int dataLength = nla_len(attrs[IWL_MVM_VENDOR_ATTR_CSI_HDR]);
if (dataLength != CSI_HEADER_LENGTH)
{
return NL_SKIP;
}
uint8_t header[dataLength];
uint8_t *data = (uint8_t *)nla_data(attrs[IWL_MVM_VENDOR_ATTR_CSI_HDR]);
memcpy(header, data, dataLength);
if (attrs[IWL_MVM_VENDOR_ATTR_CSI_DATA])
{
dataLength = nla_len(attrs[IWL_MVM_VENDOR_ATTR_CSI_DATA]);
uint8_t rawCsi[dataLength];
uint8_t *dataCsi = (uint8_t *)nla_data(attrs[IWL_MVM_VENDOR_ATTR_CSI_DATA]);
memcpy(rawCsi, dataCsi, dataLength);
Csi c;
c.loadFromMemory(header, dataCsi);
instance->gnuPlot.updateChart(c);
if (
(c.channelWidth == RATE_MCS_CHAN_WIDTH_20 && arguments.channelWidth == 20) ||
(c.channelWidth == RATE_MCS_CHAN_WIDTH_40 && arguments.channelWidth == 40) ||
(c.channelWidth == RATE_MCS_CHAN_WIDTH_80 && arguments.channelWidth == 80) ||
(c.channelWidth == RATE_MCS_CHAN_WIDTH_160 && arguments.channelWidth == 160)
)
{
if (
(c.format == RATE_MCS_LEGACY_OFDM_MSK && arguments.format == "NOHT") ||
(c.format == RATE_MCS_HT_MSK && arguments.format == "HT") ||
(c.format == RATE_MCS_VHT_MSK && arguments.format == "VHT") ||
(c.format == RATE_MCS_HE_MSK && arguments.format == "HESU") ||
(c.format == RATE_MCS_EHT_MSK && arguments.format == "EHT")
)
{
c.save();
}
}
}
}
return NL_SKIP;
}
void WiFiCsiController::enableCsi(bool enable)
{
if (arguments.verbose)
{
if (enable)
{
Logger::log(info) << "Enabling CSI measurement\n";
}
else
{
Logger::log(info) << "Disabling CSI measurement\n";
}
}
const char *baseDir = "/sys/kernel/debug/iwlwifi";
if (!std::filesystem::is_directory(baseDir))
{
throw std::ios_base::failure("/sys/kernel/debug/iwlwifi not found. Did you compile iwlwifi with debugfs enabled?\n");
return;
}
bool csiEnabled = false;
for (const auto &dirEntry : std::filesystem::directory_iterator(baseDir))
{
std::filesystem::path path = dirEntry.path().string() + "/iwlmvm/csi_enabled";
if (std::filesystem::exists(path))
{
std::ofstream ofs(path);
ofs << (enable ? "1" : "0") << std::endl;
ofs.flush();
ofs.close();
csiEnabled = true;
}
}
if (!csiEnabled)
{
throw std::ios_base::failure("Failed to enable csi measurement. Maybe device not support it.\n");
}
}
WiFiCsiController::~WiFiCsiController()
{
this->enableCsi(false);
}

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "gui/CsiProcessingWindow.h"
#include "GnuPlot.h"
#include "main.h"
#include "Logger.h"
#include "CsiProcessingWindow.h"
void CsiProcessingWindow::init(Glib::RefPtr<Gtk::Builder> &builder)
{
this->inputFile = Glib::RefPtr<Gtk::FileChooserButton>::cast_dynamic(builder->get_object("inputFile"));
this->inputFile->signal_file_set().connect(sigc::mem_fun(*this, &CsiProcessingWindow::inputFileChange));
this->previousCsiButton = Glib::RefPtr<Gtk::Button>::cast_dynamic(builder->get_object("previousCsiButton"));
this->previousCsiButton->signal_clicked().connect(sigc::mem_fun(*this, &CsiProcessingWindow::previousCsiButtonClicked));
this->nextCsiButton = Glib::RefPtr<Gtk::Button>::cast_dynamic(builder->get_object("nextCsiButton"));
this->nextCsiButton->signal_clicked().connect(sigc::mem_fun(*this, &CsiProcessingWindow::nextCsiButtonClicked));
this->interpolationLinearRadioButton = Glib::RefPtr<Gtk::RadioButton>::cast_dynamic(builder->get_object("interpolationLinearRadioButton"));
this->interpolationLinearRadioButton->signal_clicked().connect(sigc::mem_fun(*this, &CsiProcessingWindow::interpolationLinearRadioButtonClicked));
this->interpolationCubicRadioButton = Glib::RefPtr<Gtk::RadioButton>::cast_dynamic(builder->get_object("interpolationCubicRadioButton"));
this->interpolationCubicRadioButton->signal_clicked().connect(sigc::mem_fun(*this, &CsiProcessingWindow::interpolationCubicRadioButtonClicked));
this->interpolationCosineButton = Glib::RefPtr<Gtk::RadioButton>::cast_dynamic(builder->get_object("interpolationCosineButton"));
this->interpolationCosineButton->signal_clicked().connect(sigc::mem_fun(*this, &CsiProcessingWindow::interpolationCosineButtonClicked));
this->phaseLinearTransformCheckButton = Glib::RefPtr<Gtk::CheckButton>::cast_dynamic(builder->get_object("phaseLinearTransformCheckButton"));
this->phaseLinearTransformCheckButton->signal_clicked().connect(sigc::mem_fun(*this, &CsiProcessingWindow::phaseLinearTransformCheckButtonClicked));
this->processingSaveGtkButton = Glib::RefPtr<Gtk::Button>::cast_dynamic(builder->get_object("processingSaveGtkButton"));
this->processingSaveGtkButton->signal_clicked().connect(sigc::mem_fun(*this, &CsiProcessingWindow::processingSaveGtkButtonClicked));
this->currentDataCount = Glib::RefPtr<Gtk::Label>::cast_dynamic(builder->get_object("currentDataCount"));
}
void CsiProcessingWindow::inputFileChange()
{
arguments.inputFile = this->inputFile->get_filename();
csiProcessor.loadCsi();
this->refresh();
}
void CsiProcessingWindow::refresh()
{
std::string indexLabelText = std::to_string(this->currentIndex) + " " + std::to_string(this->csiProcessor.csiData.size());
this->currentDataCount->set_text(indexLabelText);
if (!this->csiProcessor.csiData.empty())
{
gnuPlot.updateChart(*this->csiProcessor.csiData[this->currentIndex]);
}
}
void CsiProcessingWindow::previousCsiButtonClicked()
{
if (this->currentIndex > 0)
{
this->currentIndex--;
this->csiProcessor.process(*this->csiProcessor.csiData[this->currentIndex]);
this->refresh();
}
}
void CsiProcessingWindow::nextCsiButtonClicked()
{
if (this->currentIndex < (this->csiProcessor.csiData.size() - 1))
{
this->currentIndex++;
this->csiProcessor.process(*this->csiProcessor.csiData[this->currentIndex]);
this->refresh();
}
}
void CsiProcessingWindow::interpolationLinearRadioButtonClicked()
{
if (!this->csiProcessor.csiData.empty())
{
arguments.processors[processor::interpolateLinear] = this->interpolationLinearRadioButton->get_active();
this->csiProcessor.process(*this->csiProcessor.csiData[this->currentIndex]);
this->refresh();
}
}
void CsiProcessingWindow::interpolationCubicRadioButtonClicked()
{
if (!this->csiProcessor.csiData.empty())
{
arguments.processors[processor::interpolateCubic] = this->interpolationCubicRadioButton->get_active();
this->csiProcessor.process(*this->csiProcessor.csiData[this->currentIndex]);
this->refresh();
}
}
void CsiProcessingWindow::interpolationCosineButtonClicked()
{
if (!this->csiProcessor.csiData.empty())
{
arguments.processors[processor::interpolateCosine] = this->interpolationCosineButton->get_active();
this->csiProcessor.process(*this->csiProcessor.csiData[this->currentIndex]);
this->refresh();
}
}
void CsiProcessingWindow::phaseLinearTransformCheckButtonClicked()
{
if (!this->csiProcessor.csiData.empty())
{
arguments.processors[processor::phaseCalibrationLinearTransform] = this->phaseLinearTransformCheckButton->get_active();
this->csiProcessor.process(*this->csiProcessor.csiData[this->currentIndex]);
this->refresh();
}
}
void CsiProcessingWindow::processingSaveGtkButtonClicked()
{
if (!this->csiProcessor.csiData.empty())
{
arguments.outputFile = "processedCsi.bin";
this->csiProcessor.saveCsi();
}
}

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "gui/GnuPlot.h"
#include "main.h"
#include "GnuPlot.h"
void GnuPlot::init()
{
if (!arguments.plot || gnuPlotPipe)
{
return;
}
this->gnuPlotPipe = popen("gnuplot > NUL 2>&1", "w");
fprintf(this->gnuPlotPipe, "set term x11 noraise\n");
fflush(this->gnuPlotPipe);
}
void GnuPlot::setWindow(uint64_t id)
{
this->gnuPlotPipe = popen("gnuplot > NUL 2>&1", "w");
fprintf(this->gnuPlotPipe, "set term x11 noraise\n");
fprintf(this->gnuPlotPipe, "set terminal x11 window \"%#lx\"\n", id);
fflush(this->gnuPlotPipe);
}
void GnuPlot::setBlank()
{
const char *cmd = R"(
set multiplot layout 2,1
set ylabel "Magnitude"
set xlabel "Subcarrier Index"
set title "Magnitude (Abs) "
set autoscale x
set xrange [0:1]
set yrange [0:1]
plot 1/0
set ylabel "Phase (rad) "
set xlabel "Subcarrier Index"
set title "Phase "
set autoscale
set xrange [0:1]
set yrange [0:1]
plot 1/0
)";
this->lastCmd = cmd;
fprintf(this->gnuPlotPipe, cmd);
fflush(this->gnuPlotPipe);
}
void GnuPlot::updateChart(Csi &csi)
{
if (!arguments.plot)
{
return;
}
std::stringstream ss;
// ss << "set multiplot layout 2,1";
ss << R"(
set multiplot layout 2,1
set ylabel "Magnitude"
set xlabel "Subcarrier Index"
set title "Magnitude (Abs) "
set autoscale x
)";
std::stringstream plotCmd;
plotCmd << "set xrange [1:" << csi.numSubCarriers << "]\n";
plotCmd << "plot";
for (uint32_t tx = 0; tx < csi.numTx; tx++)
{
for (uint32_t rx = 0; rx < csi.numRx; rx++)
{
plotCmd << " '-' with lines title \"RX" << (rx + 1) << "TX" << (tx + 1) << "\", ";
}
}
plotCmd << "\n";
ss << plotCmd.str();
std::stringstream dataMagnitude;
std::stringstream dataPhase;
uint32_t index = 0;
for (uint32_t rx = 0; rx < csi.numRx; rx++)
{
for (uint32_t tx = 0; tx < csi.numTx; tx++)
{
for (uint32_t n = 0; n < csi.numSubCarriers; n++)
{
dataMagnitude << (n + 1) << " " << csi.magnitude[index] << "\n";
dataPhase << (n + 1) << " " << csi.phase[index] << "\n";
index++;
}
dataMagnitude << "e\n";
dataPhase << "e\n";
}
}
ss << dataMagnitude.str();
ss << R"(
set ylabel "Phase (rad) "
set xlabel "Subcarrier Index"
set title "Phase "
set autoscale
)";
ss << plotCmd.str();
ss << dataPhase.str();
ss << "unset multiplot\n";
this->lastCmd = ss.str();
fprintf(this->gnuPlotPipe, ss.str().c_str());
fflush(this->gnuPlotPipe);
}
void GnuPlot::reload()
{
fprintf(this->gnuPlotPipe, this->lastCmd.c_str());
fflush(this->gnuPlotPipe);
}

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "gui/MainWindow.h"
#include "main.h"
#include <iostream>
#include "MainWindow.h"
#include "MainController.h"
#include "WiFIController.h"
#include "Logger.h"
MainWindow::MainWindow(BaseObjectType *obj, Glib::RefPtr<Gtk::Builder> const &builder) : Gtk::ApplicationWindow(obj), builder{builder}
{
set_title("FeitCSI");
set_default_size(1000, 800);
this->measureButton = Glib::RefPtr<Gtk::Button>::cast_dynamic(this->builder->get_object("measureButton"));
this->measureButton->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::measureButtonClicked));
this->injectButton = Glib::RefPtr<Gtk::Button>::cast_dynamic(this->builder->get_object("injectButton"));
this->injectButton->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::injectButtonClicked));
this->frequency = Glib::RefPtr<Gtk::SpinButton>::cast_dynamic(this->builder->get_object("frequency"));
this->frequency->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::frequencyChange));
this->channelWidth = Glib::RefPtr<Gtk::ComboBoxText>::cast_dynamic(this->builder->get_object("channelWidth"));
this->channelWidth->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::channelWidthChange));
this->outputFile = Glib::RefPtr<Gtk::FileChooserButton>::cast_dynamic(this->builder->get_object("outputFile"));
this->outputFile->signal_file_set().connect(sigc::mem_fun(*this, &MainWindow::outputFileChange));
Glib::RefPtr<Gtk::FileChooserDialog> fDialog = Glib::RefPtr<Gtk::FileChooserDialog>::cast_dynamic(this->builder->get_object("filechooserdialog1"));
fDialog->set_action(Gtk::FILE_CHOOSER_ACTION_SAVE);
fDialog->add_button("_Cancel", GTK_RESPONSE_CANCEL);
fDialog->add_button("_Accept", GTK_RESPONSE_ACCEPT);
this->filePath = Glib::RefPtr<Gtk::Label>::cast_dynamic(this->builder->get_object("filePath"));
this->format = Glib::RefPtr<Gtk::ComboBoxText>::cast_dynamic(this->builder->get_object("format"));
this->format->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::formatChange));
this->mcs = Glib::RefPtr<Gtk::ComboBoxText>::cast_dynamic(this->builder->get_object("mcs"));
this->mcs->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::mcsChange));
this->spatialStreams = Glib::RefPtr<Gtk::ComboBoxText>::cast_dynamic(this->builder->get_object("spatialStreams"));
this->spatialStreams->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::spatialStreamsChange));
this->guardInterval = Glib::RefPtr<Gtk::ComboBoxText>::cast_dynamic(this->builder->get_object("guardInterval"));
this->guardInterval->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::guardIntervalChange));
this->ltf = Glib::RefPtr<Gtk::ComboBoxText>::cast_dynamic(this->builder->get_object("ltf"));
this->ltf->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::ltfChange));
this->txPower = Glib::RefPtr<Gtk::ComboBoxText>::cast_dynamic(this->builder->get_object("txPower"));
this->txPower->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::txPowerChange));
this->coding = Glib::RefPtr<Gtk::ComboBoxText>::cast_dynamic(this->builder->get_object("coding"));
this->coding->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::codingChange));
this->injectDelay = Glib::RefPtr<Gtk::SpinButton>::cast_dynamic(this->builder->get_object("injectDelay"));
this->injectDelay->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::injectDelayChange));
this->injectRepeat = Glib::RefPtr<Gtk::SpinButton>::cast_dynamic(this->builder->get_object("injectRepeat"));
this->injectRepeat->signal_changed().connect(sigc::mem_fun(*this, &MainWindow::injectRepeatChange));
this->errorMessages = Glib::RefPtr<Gtk::Label>::cast_dynamic(this->builder->get_object("errorMessages"));
this->chartSocket = Glib::RefPtr<Gtk::Socket>::cast_dynamic(this->builder->get_object("chartSocket"));
this->console = Glib::RefPtr<Gtk::TextView>::cast_dynamic(this->builder->get_object("console"));
Glib::RefPtr<Gtk::ScrolledWindow> consoleScrollbar = Glib::RefPtr<Gtk::ScrolledWindow>::cast_dynamic(this->builder->get_object("consoleScrollbar"));
this->consoleScrollbarAdjustment = consoleScrollbar->get_vadjustment();
this->errorDialog = Glib::RefPtr<Gtk::MessageDialog>::cast_dynamic(this->builder->get_object("errorDialog"));
Glib::RefPtr<Gtk::Button> errorDialogOkBtn = Glib::RefPtr<Gtk::Button>::cast_dynamic(this->builder->get_object("errorDialogOkBtn"));
errorDialogOkBtn->signal_clicked().connect(sigc::mem_fun(*this, &MainWindow::closeButton));
Logger::guiOutput = this->console->get_buffer();
this->gnuPlot.setWindow(this->chartSocket->get_id());
this->signal_check_resize().connect_notify(sigc::mem_fun(*this, &MainWindow::onResize));
this->signal_show().connect(sigc::mem_fun(*this, &MainWindow::onWindowInit));
this->signal_delete_event().connect(sigc::mem_fun(*this, &MainWindow::onWindowDelete));
this->csiProcessingWindow.init(this->builder);
}
void MainWindow::fatalError(std::string msg)
{
errorDialog->set_message(msg + "\n Program will be closed now");
errorDialog->show();
}
void MainWindow::closeButton()
{
this->errorDialog->close();
this->close();
}
bool MainWindow::onWindowDelete(GdkEventAny *event)
{
MainController *mainController = MainController::getInstance();
mainController->deleteInstance();
return 0;
}
void MainWindow::onWindowInit()
{
Glib::RefPtr<Gtk::Paned> socketConsolePaned = Glib::RefPtr<Gtk::Paned>::cast_dynamic(this->builder->get_object("socketConsolePaned"));
socketConsolePaned->set_position(socketConsolePaned->get_allocated_height() * 0.8);
MainController *mainController = MainController::getInstance();
mainController->initInterface();
this->gnuPlot.setBlank();
}
void MainWindow::onResize()
{
if (this->measuring)
{
this->consoleScrollbarAdjustment->set_value(this->consoleScrollbarAdjustment->get_upper());
return;
}
int pHeight = this->chartSocket->get_allocated_height();
int pWidth = this->chartSocket->get_allocated_width();
if (pHeight < 10 && pWidth < 10)
{
return;
}
if (pWidth != this->chartWidth || pHeight != this->chartHeight)
{
this->gnuPlot.reload();
this->chartWidth = pWidth;
this->chartHeight = pHeight;
}
}
void MainWindow::frequencyChange()
{
int v = std::atoi(this->frequency->get_text().raw().c_str());
arguments.frequency = (uint16_t)v;
}
void MainWindow::channelWidthChange()
{
arguments.bandwidth = this->channelWidth->get_active_text().raw();
struct ChanMode chMode = WiFIController::getChanMode(arguments.bandwidth.c_str());
arguments.channelWidth = WiFIController::chanModeToWidth(chMode);
}
void MainWindow::outputFileChange()
{
arguments.outputFile = this->outputFile->get_filename();
this->filePath->set_text(arguments.outputFile);
}
void MainWindow::formatChange()
{
arguments.format = this->format->get_active_text().raw();
}
void MainWindow::mcsChange()
{
int v = std::atoi(this->mcs->get_active_text().raw().c_str());
arguments.mcs = (uint8_t)v;
}
void MainWindow::spatialStreamsChange()
{
int v = std::atoi(this->spatialStreams->get_active_text().raw().c_str());
arguments.spatialStreams = (uint8_t)v;
}
void MainWindow::ltfChange()
{
arguments.ltf = this->ltf->get_active_text().raw();
}
void MainWindow::guardIntervalChange()
{
int v = std::atoi(this->guardInterval->get_active_text().raw().c_str());
arguments.guardInterval = (uint16_t)v;
}
void MainWindow::txPowerChange()
{
int v = std::atoi(this->txPower->get_active_text().raw().c_str());
arguments.txPower = (uint8_t)v;
}
void MainWindow::codingChange()
{
arguments.coding = this->coding->get_active_text().raw();
}
void MainWindow::injectDelayChange()
{
int v = std::atoi(this->injectDelay->get_text().raw().c_str());
arguments.injectDelay = (uint32_t)v;
}
void MainWindow::injectRepeatChange()
{
int v = std::atoi(this->injectRepeat->get_text().raw().c_str());
arguments.injectRepeat = (uint32_t)v;
}
void MainWindow::updateErrorMessages()
{
std::string concatErrors;
for (const auto &kv : this->errors)
{
concatErrors += kv.second + "\n";
}
this->errorMessages->set_text(concatErrors);
}
void MainWindow::measureButtonClicked()
{
MainController *mainController = MainController::getInstance();
if (!this->measuring)
{
mainController->measureCsi();
this->measureButton->set_label("Stop measure");
this->measuring = true;
} else {
mainController->measureCsi(true);
this->measureButton->set_label("Measure");
this->measuring = false;
}
this->updateSensitivity();
}
void MainWindow::injectButtonClicked()
{
MainController *mainController = MainController::getInstance();
if (!this->injecting)
{
mainController->injectPackets();
this->injectButton->set_label("Stop inject");
this->injecting = true;
}
else
{
mainController->injectPackets(true);
this->injectButton->set_label("Inject");
this->injecting = false;
}
this->updateSensitivity();
}
void MainWindow::updateSensitivity()
{
this->frequency->set_sensitive(!this->measuring);
this->channelWidth->set_sensitive(!this->measuring);
this->outputFile->set_sensitive(!this->measuring);
this->format->set_sensitive(!this->injecting);
this->mcs->set_sensitive(!this->injecting);
this->spatialStreams->set_sensitive(!this->injecting);
this->guardInterval->set_sensitive(!this->injecting);
this->txPower->set_sensitive(!this->injecting);
this->coding->set_sensitive(!this->injecting);
this->injectDelay->set_sensitive(!this->injecting);
this->injectRepeat->set_sensitive(!this->injecting);
}

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include "interpolation.h"
#include <cmath>
namespace interpolation
{
double linearInterpolate(double y1, double y2, double mu)
{
return (y1 * (1 - mu) + y2 * mu);
}
double cosineInterpolate(double y1, double y2, double mu)
{
double mu2;
mu2 = (1 - cos(mu * M_PI)) / 2;
return (y1 * (1 - mu2) + y2 * mu2);
}
double cubicInterpolate(double y0, double y1, double y2, double y3, double mu)
{
double a0, a1, a2, a3, mu2;
mu2 = mu * mu;
a0 = y3 - y2 - y0 + y1;
a1 = y0 - y1 - a0;
a2 = y2 - y0;
a3 = y1;
return (a0 * mu * mu2 + a1 * mu2 + a2 * mu + a3);
}
}

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/*
* FeitCSI is the tool for extracting CSI information from supported intel NICs.
* Copyright (C) 2023 Miroslav Hutar.
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* 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, see <http://www.gnu.org/licenses/>.
*/
#include <iostream>
#include <thread>
#include <argp.h>
#include <chrono>
#include "Csi.h"
#include "WiFIController.h"
#include "WiFiCsiController.h"
#include "Netlink.h"
#include "main.h"
#include "PacketInjector.h"
#include "MainController.h"
#include "Logger.h"
struct Arguments arguments;
const char *argp_program_version =
"argp-ex3 1.0";
const char *argp_program_bug_address =
"<bug-gnu-utils@gnu.org>";
/* Program documentation. */
static char doc[] =
"Argp example #3 -- a program with options and arguments using argp";
/* A description of the arguments we accept. */
static char args_doc[] = "ARG1 ARG2";
/* The options we understand. */
static struct argp_option options[] = {
{"frequency", 'f', "FREQUENCY", 0, "Frequency to measure/inject CSI"},
{"channel-width", 'w', "CHANNELWIDTH", 0, "Channel width to measure/inject CSI. Possible values [20|40|HT40-|80|160]"},
{"output-file", 'o', "FILE", 0, "Output file where measurements should be stored."},
{"mcs", 'm', "MCS", 0, "Mcs index [0-11]"},
{"format", 'r', "FORMAT", 0, "Data frame format [NOHT|HT|VHT|HESU]"},
{"spatial-streams", 's', "SPATIALSTREAMS", 0, "Number of spatial streams [1|2]"},
{"guard-interval", 'g', "GUARDINTERVAL", 0, "Guard interval in ns [400|800]"},
{"ltf", 'l', "LTF", 0, "HE LTF [2xLTF+0.8|2xLTF+1.6|4xLTF+3.2|4xLTF+0.8]"},
{"coding", 'c', "CODING", 0, "Coding scheme [LDPC|BCC]"},
{"tx-power", 't', "TXPOWER", 0, "TX power of antenna in dBm [1-22]"},
{"mode", 'i', "MODE", 0, "Mode of program[measure|inject|measureinject]"},
{"inject-delay", 'd', "INJECTDELAY", 0, "Delay between frame injections is us"},
{"inject-repeat", 'j', "INJECTREPEAT", 0, "How many times inject frame"},
{"verbose", 'v', 0, OPTION_ARG_OPTIONAL, "Produce verbose output"},
{"plot", 'p', 0, OPTION_ARG_OPTIONAL, "Plot CSI data"},
{"gui", 'x', 0, OPTION_ARG_OPTIONAL, "Run application in GUI"},
{0}};
/* Used by main to communicate with parse_opt. */
/* Parse a single option. */
static error_t
parse_opt(int key, char *arg, struct argp_state *state)
{
/* Get the input argument from argp_parse, which we
know is a pointer to our arguments structure. */
struct Arguments *args = (struct Arguments *)state->input;
switch (key)
{
case 'v':
args->verbose = true;
break;
case 'x':
args->gui = true;
break;
case 'p':
args->plot = true;
break;
case 'i':
{
args->mode.assign(arg);
if (args->mode == "measure")
{
args->measure = true;
}
else if (args->mode == "inject")
{
args->inject = true;
args->measure = false;
}
else if (args->mode == "measureinject")
{
args->measure = true;
args->inject = true;
}
else
{
argp_failure(state, 1, 0, "Bad mode. Possible values [measure|inject|measureinject]");
exit(ARGP_ERR_UNKNOWN);
}
break;
}
case 'm':
{
int mcs = std::atoi(arg);
if (mcs < 0 || mcs > 11)
{
argp_failure(state, 1, 0, "Bad MCS index. Possible values [0-11]");
exit(ARGP_ERR_UNKNOWN);
}
args->mcs = (uint8_t)mcs;
break;
}
case 'r':
{
args->format.assign(arg);
if (args->format == "NOHT" || args->format == "HT" || args->format == "VHT" || args->format == "HESU")
{
} else
{
argp_failure(state, 1, 0, "Bad format. Possible values [NOHT|HT|VHT|HESU]");
exit(ARGP_ERR_UNKNOWN);
}
break;
}
case 'c':
{
args->coding.assign(arg);
if (args->coding == "LDPC" || args->coding == "BCC")
{
}
else
{
argp_failure(state, 1, 0, "Bad coding. Possible values [LDPC|BCC]");
exit(ARGP_ERR_UNKNOWN);
}
break;
}
case 'l':
{
args->ltf.assign(arg);
if (args->ltf == "1xLTF+0.8" || args->ltf == "2xLTF+0.8" || args->ltf == "2xLTF+1.6" || args->ltf == "4xLTF+3.2" || args->ltf == "4xLTF+0.8")
{
} else
{
argp_failure(state, 1, 0, "Bad LTF. Possible values [2xLTF+0.8|2xLTF+1.6|4xLTF+3.2|4xLTF+0.8]");
exit(ARGP_ERR_UNKNOWN);
}
break;
}
case 'g':
{
int gi = std::atoi(arg);
if (gi == 400 || gi == 800)
{
args->guardInterval = (uint16_t)gi;
}
else
{
argp_failure(state, 1, 0, "Bad guard interval. Possible values [400|800]");
exit(ARGP_ERR_UNKNOWN);
}
break;
}
case 'd':
{
int injd = std::atoi(arg);
if (injd <= 0)
{
argp_failure(state, 1, 0, "Inject delay is not correct number");
exit(ARGP_ERR_UNKNOWN);
}
args->injectDelay = (uint32_t)injd;
break;
}
case 'j':
{
int injr = std::atoi(arg);
if (injr <= 0)
{
argp_failure(state, 1, 0, "Inject repeat is not correct number");
exit(ARGP_ERR_UNKNOWN);
}
args->injectRepeat = (uint32_t)injr;
break;
}
case 's':
{
int ss = std::atoi(arg);
if (ss < 1 || ss > 2)
{
argp_failure(state, 1, 0, "Bad spatial stream. Possible values [1|2]");
exit(ARGP_ERR_UNKNOWN);
}
args->spatialStreams = (uint8_t)ss;
break;
}
case 't':
{
int tx = std::atoi(arg);
if (tx < 1 || tx > 22)
{
argp_failure(state, 1, 0, "Bad tx power. Possible values [1-22]");
exit(ARGP_ERR_UNKNOWN);
}
args->txPower = (uint8_t)tx;
break;
}
case 'f':
{
int f = std::atoi(arg);
if (f <= 0)
{
argp_failure(state, 1, 0, "Frequency is not correct");
exit(ARGP_ERR_UNKNOWN);
}
args->frequency = (uint16_t)f;
break;
}
case 'w':
{
struct ChanMode chMode = WiFIController::getChanMode(arg);
if (chMode.width == 0)
{
argp_failure(state, 1, 0, "Bad bandwidth. Possible values of bandwidth are [20|40|HT40-|80|160]");
exit(ARGP_ERR_UNKNOWN);
}
args->bandwidth = arg;
args->channelWidth = WiFIController::chanModeToWidth(chMode);
break;
}
case 'o':
args->outputFile = arg;
break;
case ARGP_KEY_ARG:
case ARGP_KEY_END:
if (args->frequency == 0 ||
args->bandwidth.empty())
{
argp_failure(state, 1, 0, "Fill required arguments -f -b . See --help for more information");
exit(ARGP_ERR_UNKNOWN);
}
return 0;
default:
return ARGP_ERR_UNKNOWN;
}
return 0;
}
/* Our argp parser. */
static struct argp argp = {options, parse_opt, args_doc, doc};
int main(int argc, char *argv[])
{
struct Arguments defValues = {
.verbose = false,
.frequency = 2412,
.gui = false,
.plot = false,
.bandwidth = "20",
.mcs = 0,
.channelWidth = 20,
.spatialStreams = 1,
.txPower = 10,
.guardInterval = 400,
.injectDelay = 100000,
.injectRepeat = 0,
.coding = "LDPC",
.format = "HT",
.inject = false,
.measure = true,
.mode = "measure",
.ltf = "1xLTF+0.8",
};
arguments = defValues;
if (arguments.outputFile.empty())
{
const auto t = std::chrono::system_clock::now();
int64_t tInt = std::chrono::duration_cast<std::chrono::seconds>(t.time_since_epoch()).count();
arguments.outputFile = "FeitCSI_" + std::to_string(tInt) + ".dat";
}
/* Default values. */
argp_parse(&argp, argc, argv, 0, 0, &arguments);
// all arguments ok and sanitized go next
MainController *mainController = MainController::getInstance();
if (!arguments.gui)
{
mainController->runNoGui();
} else
{
arguments = defValues;
mainController->runGui();
}
if (arguments.verbose)
{
Logger::log(info) << "Exiting...\n";
}
return 0;
}
// lib to install compile libgtkmm-3.0-dev libnl-genl-3-dev libiw-dev libpcap-dev
// fix default output file when GUI running