Set proper setting according to RX quota, and then it doesn't break buffer due to size of received packet exceeding buffer size. Signed-off-by: Ping-Ke Shih <pkshih@xxxxxxxxxxx> --- drivers/net/wireless/realtek/rtw89/mac.c | 10 +++++----- 1 file changed, 5 insertions(+), 5 deletions(-) diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index a06ca65b339ff..e1a1699a1a9cf 100644 --- a/drivers/net/wireless/realtek/rtw89/mac.c +++ b/drivers/net/wireless/realtek/rtw89/mac.c @@ -2005,6 +2005,7 @@ static int rmac_init(struct rtw89_dev *rtwdev, u8 mac_idx) #define TRXCFG_RMAC_DATA_TO 15 #define RX_MAX_LEN_UNIT 512 #define PLD_RLS_MAX_PG 127 +#define RX_SPEC_MAX_LEN (11454 + RX_MAX_LEN_UNIT) int ret; u32 reg, rx_max_len, rx_qta; u16 val; @@ -2035,11 +2036,10 @@ static int rmac_init(struct rtw89_dev *rtwdev, u8 mac_idx) rx_qta = rtwdev->mac.dle_info.c0_rx_qta; else rx_qta = rtwdev->mac.dle_info.c1_rx_qta; - rx_qta = rx_qta > PLD_RLS_MAX_PG ? PLD_RLS_MAX_PG : rx_qta; - rx_max_len = (rx_qta - 1) * rtwdev->mac.dle_info.ple_pg_size / - RX_MAX_LEN_UNIT; - rx_max_len = rx_max_len > B_AX_RX_MPDU_MAX_LEN_SIZE ? - B_AX_RX_MPDU_MAX_LEN_SIZE : rx_max_len; + rx_qta = min_t(u32, rx_qta, PLD_RLS_MAX_PG); + rx_max_len = rx_qta * rtwdev->mac.dle_info.ple_pg_size; + rx_max_len = min_t(u32, rx_max_len, RX_SPEC_MAX_LEN); + rx_max_len /= RX_MAX_LEN_UNIT; rtw89_write32_mask(rtwdev, reg, B_AX_RX_MPDU_MAX_LEN_MASK, rx_max_len); if (rtwdev->chip->chip_id == RTL8852A && -- 2.25.1
