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    Subject[PATCH 5.5 14/56] staging: vt6656: correct packet types for CTS protect, mode.
    Date
    From: Malcolm Priestley <tvboxspy@gmail.com>

    commit d971fdd3412f8342747778fb59b8803720ed82b1 upstream.

    It appears that the driver still transmits in CTS protect mode even
    though it is not enabled in mac80211.

    That is both packet types PK_TYPE_11GA and PK_TYPE_11GB both use CTS protect.
    The only difference between them GA does not use B rates.

    Find if only B rate in GB or GA in protect mode otherwise transmit packets
    as PK_TYPE_11A.

    Cc: stable <stable@vger.kernel.org>
    Signed-off-by: Malcolm Priestley <tvboxspy@gmail.com>
    Link: https://lore.kernel.org/r/9c1323ff-dbb3-0eaa-43e1-9453f7390dc0@gmail.com
    Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

    ---
    drivers/staging/vt6656/device.h | 2 ++
    drivers/staging/vt6656/rxtx.c | 12 ++++++++----
    2 files changed, 10 insertions(+), 4 deletions(-)

    --- a/drivers/staging/vt6656/device.h
    +++ b/drivers/staging/vt6656/device.h
    @@ -52,6 +52,8 @@
    #define RATE_AUTO 12

    #define MAX_RATE 12
    +#define VNT_B_RATES (BIT(RATE_1M) | BIT(RATE_2M) |\
    + BIT(RATE_5M) | BIT(RATE_11M))

    /*
    * device specific
    --- a/drivers/staging/vt6656/rxtx.c
    +++ b/drivers/staging/vt6656/rxtx.c
    @@ -815,10 +815,14 @@ int vnt_tx_packet(struct vnt_private *pr
    if (info->band == NL80211_BAND_5GHZ) {
    pkt_type = PK_TYPE_11A;
    } else {
    - if (tx_rate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
    - pkt_type = PK_TYPE_11GB;
    - else
    - pkt_type = PK_TYPE_11GA;
    + if (tx_rate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT) {
    + if (priv->basic_rates & VNT_B_RATES)
    + pkt_type = PK_TYPE_11GB;
    + else
    + pkt_type = PK_TYPE_11GA;
    + } else {
    + pkt_type = PK_TYPE_11A;
    + }
    }
    } else {
    pkt_type = PK_TYPE_11B;

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