From: Bitterblue Smith Date: Thu, 9 Oct 2025 11:52:39 +0000 (+0300) Subject: wifi: rtl8xxxu: Report the signal strength only if it's known X-Git-Tag: v6.19-rc1~170^2~33^2~10^2~76 X-Git-Url: http://git.ipfire.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=7aeb8c118ef9c7a19ca9c22a2984f1d6653eff84;p=thirdparty%2Fkernel%2Flinux.git wifi: rtl8xxxu: Report the signal strength only if it's known These chips don't report the signal strength for many (any?) data frames. When the signal strength is not known, set RX_FLAG_NO_SIGNAL_VAL in order to avoid reporting a signal strength of 0. Tested with RTL8192FU and RTL8192CU. Signed-off-by: Bitterblue Smith Reviewed-by: Ping-Ke Shih Signed-off-by: Ping-Ke Shih Link: https://patch.msgid.link/cdbe1a18-f6f1-4575-bad9-e85db8101247@gmail.com --- diff --git a/drivers/net/wireless/realtek/rtl8xxxu/core.c b/drivers/net/wireless/realtek/rtl8xxxu/core.c index be39463bd6c46..2d88b7fba3173 100644 --- a/drivers/net/wireless/realtek/rtl8xxxu/core.c +++ b/drivers/net/wireless/realtek/rtl8xxxu/core.c @@ -6454,6 +6454,8 @@ int rtl8xxxu_parse_rxdesc16(struct rtl8xxxu_priv *priv, struct sk_buff *skb) rtl8xxxu_rx_update_rssi(priv, rx_status, hdr); + } else { + rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; } rx_status->mactime = rx_desc->tsfl; @@ -6560,6 +6562,8 @@ int rtl8xxxu_parse_rxdesc24(struct rtl8xxxu_priv *priv, struct sk_buff *skb) rtl8xxxu_rx_update_rssi(priv, rx_status, hdr); + } else { + rx_status->flag |= RX_FLAG_NO_SIGNAL_VAL; } rx_status->mactime = rx_desc->tsfl;