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    Subject[PATCH AUTOSEL 5.9 052/111] rtw88: increse the size of rx buffer size
    Date
    From: Tzu-En Huang <tehuang@realtek.com>

    [ Upstream commit ee755732b7a16af018daa77d9562d2493fb7092f ]

    The vht capability of MAX_MPDU_LENGTH is 11454 in rtw88; however, the rx
    buffer size for each packet is 8192. When receiving packets that are
    larger than rx buffer size, it will leads to rx buffer ring overflow.

    Signed-off-by: Tzu-En Huang <tehuang@realtek.com>
    Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
    Link: https://lore.kernel.org/r/20200925061219.23754-2-tehuang@realtek.com
    Signed-off-by: Sasha Levin <sashal@kernel.org>
    ---
    drivers/net/wireless/realtek/rtw88/pci.h | 4 ++--
    1 file changed, 2 insertions(+), 2 deletions(-)

    diff --git a/drivers/net/wireless/realtek/rtw88/pci.h b/drivers/net/wireless/realtek/rtw88/pci.h
    index 024c2bc275cbe..ca17aa9cf7dc7 100644
    --- a/drivers/net/wireless/realtek/rtw88/pci.h
    +++ b/drivers/net/wireless/realtek/rtw88/pci.h
    @@ -9,8 +9,8 @@
    #define RTK_BEQ_TX_DESC_NUM 256

    #define RTK_MAX_RX_DESC_NUM 512
    -/* 8K + rx desc size */
    -#define RTK_PCI_RX_BUF_SIZE (8192 + 24)
    +/* 11K + rx desc size */
    +#define RTK_PCI_RX_BUF_SIZE (11454 + 24)

    #define RTK_PCI_CTRL 0x300
    #define BIT_RST_TRXDMA_INTF BIT(20)
    --
    2.25.1
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