hostapd and 802.11r

[Queenie de Melo]

Dear All,

Read that 802.11r fast BSS transition (roaming) can happen within Protocol
layer 2 or layer3.

Please let me know what kind of roaming(802.11r) is supported by hostapd and
mac80211?

What files in my driver and hostapd deal with this 802.11r roaming?

How do i come to know which version of hostapd supports 802.11r

Please help!!
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