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[188.141.3.169]) by smtp.gmail.com with ESMTPSA id m15sm7379494wmq.6.2022.01.14.16.14.36 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Jan 2022 16:14:36 -0800 (PST) From: Bryan O'Donoghue 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 Message-Id: <20220115001646.3981501-2-bryan.odonoghue@linaro.org> X-Mailer: git-send-email 2.33.0 In-Reply-To: <20220115001646.3981501-1-bryan.odonoghue@linaro.org> References: <20220115001646.3981501-1-bryan.odonoghue@linaro.org> MIME-Version: 1.0 Content-Transfer-Encoding: 8bit Precedence: bulk List-ID: X-Mailing-List: linux-wireless@vger.kernel.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 --- 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