diff options
| author | Ping-Ke Shih <pkshih@realtek.com> | 2022-05-06 20:02:13 +0800 |
|---|---|---|
| committer | Kalle Valo <kvalo@kernel.org> | 2022-05-11 08:31:02 +0300 |
| commit | 4b0d341b2e0401b1d44489af5bc2fa0e30ea5d2b (patch) | |
| tree | d8b7f049c1482d074f5a19dff04288da5c840f2d /drivers/net/wireless/realtek | |
| parent | 0cd75e4f1c9dce097665bee757da280bd5276864 (diff) | |
rtw89: correct setting of RX MPDU length
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@realtek.com>
Signed-off-by: Kalle Valo <kvalo@kernel.org>
Link: https://lore.kernel.org/r/20220506120216.58567-3-pkshih@realtek.com
Diffstat (limited to 'drivers/net/wireless/realtek')
| -rw-r--r-- | drivers/net/wireless/realtek/rtw89/mac.c | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/drivers/net/wireless/realtek/rtw89/mac.c b/drivers/net/wireless/realtek/rtw89/mac.c index a06ca65b339f..e1a1699a1a9c 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 && |