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wifi: Remove unused GetChannelWidthForTransmission functions

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This commit is contained in:
Stefano Avallone
2022-10-07 17:09:18 +02:00
committed by Stefano Avallone
parent de079ece9e
commit 4705aa9f3b
2 changed files with 0 additions and 57 deletions
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32
src/wifi/model/wifi-phy-common.cc
View File

@@ -70,38 +70,6 @@ ConvertGuardIntervalToNanoSeconds(WifiMode mode, bool htShortGuardInterval, Time
return gi;
}
uint16_t
GetChannelWidthForTransmission(WifiMode mode, uint16_t maxAllowedChannelWidth)
{
WifiModulationClass modulationClass = mode.GetModulationClass();
if (maxAllowedChannelWidth > 20 &&
(modulationClass == WifiModulationClass::WIFI_MOD_CLASS_OFDM // all non-HT OFDM control and
// management frames
|| modulationClass ==
WifiModulationClass::WIFI_MOD_CLASS_ERP_OFDM)) // special case of beacons at 2.4 GHz
{
return 20;
}
// at 2.4 GHz basic rate can be non-ERP DSSS
if (modulationClass == WifiModulationClass::WIFI_MOD_CLASS_DSSS ||
modulationClass == WifiModulationClass::WIFI_MOD_CLASS_HR_DSSS)
{
return 22;
}
return maxAllowedChannelWidth;
}
uint16_t
GetChannelWidthForTransmission(WifiMode mode,
uint16_t operatingChannelWidth,
uint16_t maxSupportedChannelWidth)
{
return GetChannelWidthForTransmission(mode,
(operatingChannelWidth < maxSupportedChannelWidth)
? operatingChannelWidth
: maxSupportedChannelWidth);
}
WifiPreamble
GetPreambleForTransmission(WifiModulationClass modulation, bool useShortPreamble)
{

25
src/wifi/model/wifi-phy-common.h
View File

@@ -475,31 +475,6 @@ uint16_t ConvertGuardIntervalToNanoSeconds(WifiMode mode,
*/
WifiPreamble GetPreambleForTransmission(WifiModulationClass modulation, bool useShortPreamble);
/**
* Return the channel width that is allowed based on the selected mode and the given
* maximum channel width. This is especially useful when using non-HT modes with
* HT/VHT/HE capable stations (with default width above 20 MHz).
*
* \param mode selected WifiMode
* \param maxAllowedChannelWidth maximum channel width allowed for the transmission
* \return channel width adapted to the selected mode
*/
uint16_t GetChannelWidthForTransmission(WifiMode mode, uint16_t maxAllowedChannelWidth);
/**
* Return the channel width that is allowed based on the selected mode, the current
* width of the operating channel and the maximum channel width supported by the
* receiver. This is especially useful when using non-HT modes with HT/VHT/HE
* capable stations (with default width above 20 MHz).
*
* \param mode selected WifiMode
* \param operatingChannelWidth operating channel width
* \param maxSupportedChannelWidth maximum channel width supported by the receiver
* \return channel width adapted to the selected mode
*/
uint16_t GetChannelWidthForTransmission(WifiMode mode,
uint16_t operatingChannelWidth,
uint16_t maxSupportedChannelWidth);
/**
* Return whether the modulation class of the selected mode for the
* control answer frame is allowed.