F5/unison
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

wifi: Add method to get modulation class from preamble type (when possible)

Browse Source
This commit is contained in:
Stefano Avallone
2023-01-09 19:12:02 +01:00
parent 99cd2667d4
commit 6c62f129b6
2 changed files with 33 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

24
src/wifi/model/wifi-phy-common.cc
View File

@@ -113,6 +113,30 @@ GetPreambleForTransmission(WifiModulationClass modulation, bool useShortPreamble
}
}
WifiModulationClass
GetModulationClassForPreamble(WifiPreamble preamble)
{
switch (preamble)
{
case WIFI_PREAMBLE_HT_MF:
return WIFI_MOD_CLASS_HT;
case WIFI_PREAMBLE_VHT_SU:
case WIFI_PREAMBLE_VHT_MU:
return WIFI_MOD_CLASS_VHT;
case WIFI_PREAMBLE_HE_SU:
case WIFI_PREAMBLE_HE_ER_SU:
case WIFI_PREAMBLE_HE_MU:
case WIFI_PREAMBLE_HE_TB:
return WIFI_MOD_CLASS_HE;
case WIFI_PREAMBLE_EHT_MU:
case WIFI_PREAMBLE_EHT_TB:
return WIFI_MOD_CLASS_EHT;
default:
NS_ABORT_MSG("Unsupported preamble type: " << preamble);
}
return WIFI_MOD_CLASS_UNKNOWN;
}
bool
IsAllowedControlAnswerModulationClass(WifiModulationClass modClassReq,
WifiModulationClass modClassAnswer)

9
src/wifi/model/wifi-phy-common.h
View File

@@ -475,6 +475,15 @@ uint16_t ConvertGuardIntervalToNanoSeconds(WifiMode mode,
*/
WifiPreamble GetPreambleForTransmission(WifiModulationClass modulation, bool useShortPreamble);
/**
* Return the modulation class corresponding to the given preamble type.
* Only preamble types used by HT/VHT/HE/EHT can be passed to this function.
*
* \param preamble the given preamble type (must be one defined by HT standard or later)
* \return the modulation class corresponding to the given preamble type
*/
WifiModulationClass GetModulationClassForPreamble(WifiPreamble preamble);
/**
* Return whether the modulation class of the selected mode for the
* control answer frame is allowed.