• Capacidades WiFi de un adaptador inalámbrico a usar con hostapd

    Si quieres saber las wifi capabilities de tu tarjeta wifi para saber luego cuáles capacidades debes indicarle al archivo conf del demonio hostapd siempre puedes ejecutar:

    iw list

    … y tomar nota de ellas.

    Pero, para saber como indicarle a hostapd que use esas capacidades deberás conocer el parámetro de cada una de ellas. Y para ello, esta lista:

    Capacidades HT:

    HT20/HT40                    :[HT20] o [HT20-] o [HT20+] y [HT40] o [HT40-] o [HT40+]
    Static SM Power Save         :?
    SM Power Save disabled       :?
    RX Greenfield                :?
    RX LDPC                      :[RXLDPC]
    RX HT20 SGI                  :[SHORT-GI-20]
    RX HT40 SGI                  :[SHORT-GI-40]
    TX STBC                      :[TX-STBC]
    RX STBC 1-stream             :[RX-STBC1]
    RX STBC 2-streams            :[RX-STBC2]
    Max AMSDU length: 3839 bytes :[MAX-AMSDU-3839]
    Max AMSDU length: 7935 bytes :[MAX-AMSDU-7935]
    DSSS/CCK HT40                :[DSSS_CCK-40]
    No DSSS/CCK HT40             :[?]
    No RX STBC                   :[?]
    Otras:
    
    DSSS/CCK HT40                :[DSSS_CCK-40]
    ?                            :[LDPC]
    

    Capacidades VHT:

    RX LDPC                                        :[RXLDPC]
    Max MPDU length: 3895                          :[MAX-MPDU-3895]
    Max MPDU length: 11454                         :[MAX-MPDU-11454]
    Supported Channel Width: neither 160 nor 80+80 :[VHT160-80PLUS80]
    short GI (80 MHz)                              :[SHORT-GI-80]
    TX STBC                                        :[TX-STBC]
    RX antenna pattern consistency                 :[RX-ANTENNA-PATTERN]
    TX antenna pattern consistency                 :[TX-ANTENNA-PATTERN]
    
    Otras:
    
    ?                                              :[SHORT-GI-160]
    ?                                              :[SU-BEAMFORMER]
    SU Beamformee                                  :[SU-BEAMFORMEE]
    ?                                              :[MU-BEAMFORMER]
    MU Beamformee                                  :[MU-BEAMFORMEE]
    ?                                              :[TX-STBC-2BY1]
    ?                                              :[RX-STBC-1]
    ?                                              :[MAX-A-MPDU-LEN-EXP7]

    Capacidades HE MAC

    +HTC HE Supported                  :[?]
    BSR                                :[?]
    OM Control                         :[?]
    Maximum A-MPDU Length Exponent: 3  :[?]
    BQR                                :[?]
    A-MSDU in A-MPDU                   :[?]
    OM Control UL MU Data Disable RX   :[?]

    Capacidades HE PHY

    HE40/HE80/5GHz                   :[?]
    LDPC Coding in Payload           :[?]
    NDP with 4x HE-LTF and 3.2us GI  :[?]
    STBC Tx <= 80MHz                 :[?]
    STBC Rx <= 80MHz                 :[?]
    Full Bandwidth UL MU-MIMO        :[?]
    Partial Bandwidth UL MU-MIMO     :[?]
    DCM Max Constellation: 2         :[?]
    DCM Max Constellation Rx: 2      :[?]
    Partial Bandwidth Extended Range :[?]
    PPE Threshold Present            :[?]
    TX 1024-QAM                      :[?]
    RX 1024-QAM                      :[?]

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