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wifi: rtl8xxxu: Report the signal strength only if it's known

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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 <rtl8821cerfe2@gmail.com>
Reviewed-by: Ping-Ke Shih <pkshih@realtek.com>
Signed-off-by: Ping-Ke Shih <pkshih@realtek.com>
Link: https://patch.msgid.link/cdbe1a18-f6f1-4575-bad9-e85db8101247@gmail.com
This commit is contained in:
Bitterblue Smith 2025-10-09 14:52:39 +03:00 committed by Ping-Ke Shih
parent 8b795fe429
commit 7aeb8c118e
1 changed files with 4 additions and 0 deletions
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4
drivers/net/wireless/realtek/rtl8xxxu/core.c
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@ -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;