From: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
To: kvalo@codeaurora.org, linux-wireless@vger.kernel.org,
wcn36xx@lists.infradead.org, linux-arm-msm@vger.kernel.org
Cc: loic.poulain@linaro.org, benl@squareup.com, bryan.odonoghue@linaro.org
Subject: [PATCH v3 1/4] wcn36xx: Implement get_snr()
Date: Sat, 15 Jan 2022 00:16:43 +0000 [thread overview]
Message-ID: <20220115001646.3981501-2-bryan.odonoghue@linaro.org> (raw)
In-Reply-To: <20220115001646.3981501-1-bryan.odonoghue@linaro.org>
The wcn36xx BD phy descriptor returns both Received Signal Strength
Information (RSSI) and Signal To Noise Ratio (SNR) with each delivered BD.
The macro to extract this data is a simple-one liner, easily imported from
downstream. This data will be useful to us when implementing
mac80211-ops->get_survey().
Signed-off-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
---
drivers/net/wireless/ath/wcn36xx/txrx.c | 5 +++++
1 file changed, 5 insertions(+)
diff --git a/drivers/net/wireless/ath/wcn36xx/txrx.c b/drivers/net/wireless/ath/wcn36xx/txrx.c
index ed4e8f201f510..a3eb476c2cbc4 100644
--- a/drivers/net/wireless/ath/wcn36xx/txrx.c
+++ b/drivers/net/wireless/ath/wcn36xx/txrx.c
@@ -23,6 +23,11 @@ static inline int get_rssi0(struct wcn36xx_rx_bd *bd)
return 100 - ((bd->phy_stat0 >> 24) & 0xff);
}
+static inline int get_snr(struct wcn36xx_rx_bd *bd)
+{
+ return ((bd->phy_stat1 >> 24) & 0xff);
+}
+
struct wcn36xx_rate {
u16 bitrate;
u16 mcs_or_legacy_index;
--
2.33.0
next prev parent reply other threads:[~2022-01-15 0:14 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-01-15 0:16 [PATCH v3 0/4] wcn36xx: Add spectrum survey reporting Bryan O'Donoghue
2022-01-15 0:16 ` Bryan O'Donoghue [this message]
2022-01-15 14:19 ` [PATCH v3 1/4] wcn36xx: Implement get_snr() Loic Poulain
2022-01-17 12:13 ` Kalle Valo
2022-01-19 8:49 ` Kalle Valo
2022-01-15 0:16 ` [PATCH v3 2/4] wcn36xx: Track the band and channel we are tuned to Bryan O'Donoghue
2022-01-15 0:16 ` [PATCH v3 3/4] wcn36xx: Track SNR and RSSI for each RX frame Bryan O'Donoghue
2022-01-15 0:16 ` [PATCH v3 4/4] wcn36xx: Add SNR reporting via get_survey() Bryan O'Donoghue
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