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[188.141.3.169]) by smtp.gmail.com with ESMTPSA id m15sm7379494wmq.6.2022.01.14.16.14.37 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Fri, 14 Jan 2022 16:14:37 -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 2/4] wcn36xx: Track the band and channel we are tuned to Date: Sat, 15 Jan 2022 00:16:44 +0000 Message-Id: <20220115001646.3981501-3-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 Track the band and channel we are currently tuned to by way of pointers to the standard structures that describe them both embedded within the driver. Tracking of the pair makes it much easier when implementing ieee80211_ops->get_survey to return quickly captured metrics for the currently tuned channel. Signed-off-by: Bryan O'Donoghue --- drivers/net/wireless/ath/wcn36xx/main.c | 27 ++++++++++++++++++++++ drivers/net/wireless/ath/wcn36xx/wcn36xx.h | 3 +++ 2 files changed, 30 insertions(+) diff --git a/drivers/net/wireless/ath/wcn36xx/main.c b/drivers/net/wireless/ath/wcn36xx/main.c index ec355807f5817..d2b99f6112f6b 100644 --- a/drivers/net/wireless/ath/wcn36xx/main.c +++ b/drivers/net/wireless/ath/wcn36xx/main.c @@ -392,11 +392,38 @@ static void wcn36xx_change_opchannel(struct wcn36xx *wcn, int ch) { struct ieee80211_vif *vif = NULL; struct wcn36xx_vif *tmp; + struct ieee80211_supported_band *band; + struct ieee80211_channel *channel; + int i, j; + + for (i = 0; i < ARRAY_SIZE(wcn->hw->wiphy->bands); i++) { + band = wcn->hw->wiphy->bands[i]; + if (!band) + break; + for (j = 0; j < band->n_channels; j++) { + if (HW_VALUE_CHANNEL(band->channels[j].hw_value) == ch) { + channel = &band->channels[j]; + break; + } + } + if (channel) + break; + } + + if (!channel) { + wcn36xx_err("Cannot tune to channel %d\n", ch); + return; + } + + wcn->band = band; + wcn->channel = channel; list_for_each_entry(tmp, &wcn->vif_list, list) { vif = wcn36xx_priv_to_vif(tmp); wcn36xx_smd_switch_channel(wcn, vif, ch); } + + return; } static int wcn36xx_config(struct ieee80211_hw *hw, u32 changed) diff --git a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h index fbd0558c2c196..dd2570e468084 100644 --- a/drivers/net/wireless/ath/wcn36xx/wcn36xx.h +++ b/drivers/net/wireless/ath/wcn36xx/wcn36xx.h @@ -281,6 +281,9 @@ struct wcn36xx { /* Debug file system entry */ struct wcn36xx_dfs_entry dfs; #endif /* CONFIG_WCN36XX_DEBUGFS */ + + struct ieee80211_supported_band *band; + struct ieee80211_channel *channel; }; static inline bool wcn36xx_is_fw_version(struct wcn36xx *wcn, -- 2.33.0