Homeplug AV

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Wireshark Version 3.0.6 (compiled from source under ubuntu 18.04 LTS) shows:

HomePlug AV protocol

MAC Management Header
    .... ...1 = Version: 1.1 (1)
    Type: CM_BRG_INFO.CNF (Get Bridge Informations Confirmation) (0x6021)
        .... ..01 = LSB: Confirm (0x1)
        .... .00. = MSB: STA - Central Coordinator (0x0)
    Fragmentation Info: 0x0000
        .... 0000 = Fragment count: 0
        0000 .... = Fragment index: 0
        Fragment Sequence number: 0
Get Bridge Informations Confirmation

0x6021 is Station - Station is .... .00. = MSB: STA - Central Coordinator (0x0) a bug?

I changed

#define HOMEPLUG_AV_MMTYPE_MSB_MASK       0x06

in packet-homeplug-av.c to

#define HOMEPLUG_AV_MMTYPE_MSB_MASK       0xE0

then Wireshark shows: HomePlug AV protocol

MAC Management Header
    .... ...1 = Version: 1.1 (1)
    Type: CM_BRG_INFO.CNF (Get Bridge Informations Confirmation) (0x6021)
        .... ..01 = LSB: Confirm (0x1)
        011. .... = MSB: STA - STA (0x3)
    Fragmentation Info: 0x0000
        .... 0000 = Fragment count: 0
        0000 .... = Fragment index: 0
        Fragment Sequence number: 0
Get Bridge Informations Confirmation