linux-kernel - [PATCH 5/9] wifi: wfx: add placeholders for remain_on

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Message-Id: <20230807150542.247801-6-jerome.pouiller@silabs.com>
Date:   Mon,  7 Aug 2023 17:05:38 +0200
From:   Jérôme Pouiller 
        <jerome.pouiller@...abs.com>
To:     Kalle Valo <kvalo@...nel.org>
Cc:     linux-wireless@...r.kernel.org, linux-kernel@...r.kernel.org,
        Jérôme Pouiller 
        <jerome.pouiller@...abs.com>
Subject: [PATCH 5/9] wifi: wfx: add placeholders for remain_on_channel feature

First step to implement remain_on_channel.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@...abs.com>
---
 drivers/net/wireless/silabs/wfx/main.c |  3 +++
 drivers/net/wireless/silabs/wfx/scan.c | 12 ++++++++++++
 drivers/net/wireless/silabs/wfx/scan.h |  5 +++++
 3 files changed, 20 insertions(+)

diff --git a/drivers/net/wireless/silabs/wfx/main.c b/drivers/net/wireless/silabs/wfx/main.c
index 0b50f7058bbbc..a0906d7d026e0 100644
--- a/drivers/net/wireless/silabs/wfx/main.c
+++ b/drivers/net/wireless/silabs/wfx/main.c
@@ -151,6 +151,8 @@ static const struct ieee80211_ops wfx_ops = {
 	.change_chanctx          = wfx_change_chanctx,
 	.assign_vif_chanctx      = wfx_assign_vif_chanctx,
 	.unassign_vif_chanctx    = wfx_unassign_vif_chanctx,
+	.remain_on_channel       = wfx_remain_on_channel,
+	.cancel_remain_on_channel = wfx_cancel_remain_on_channel,
 };
 
 bool wfx_api_older_than(struct wfx_dev *wdev, int major, int minor)
@@ -288,6 +290,7 @@ struct wfx_dev *wfx_init_common(struct device *dev, const struct wfx_platform_da
 	hw->wiphy->features |= NL80211_FEATURE_AP_SCAN;
 	hw->wiphy->flags |= WIPHY_FLAG_AP_PROBE_RESP_OFFLOAD;
 	hw->wiphy->flags |= WIPHY_FLAG_AP_UAPSD;
+	hw->wiphy->max_remain_on_channel_duration = 5000;
 	hw->wiphy->max_ap_assoc_sta = HIF_LINK_ID_MAX;
 	hw->wiphy->max_scan_ssids = 2;
 	hw->wiphy->max_scan_ie_len = IEEE80211_MAX_DATA_LEN;
diff --git a/drivers/net/wireless/silabs/wfx/scan.c b/drivers/net/wireless/silabs/wfx/scan.c
index 16f619ed22e00..51338fd43ae4f 100644
--- a/drivers/net/wireless/silabs/wfx/scan.c
+++ b/drivers/net/wireless/silabs/wfx/scan.c
@@ -145,3 +145,15 @@ void wfx_scan_complete(struct wfx_vif *wvif, int nb_chan_done)
 	wvif->scan_nb_chan_done = nb_chan_done;
 	complete(&wvif->scan_complete);
 }
+
+int wfx_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			  struct ieee80211_channel *chan, int duration,
+			  enum ieee80211_roc_type type)
+{
+	return 0;
+}
+
+int wfx_cancel_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
+{
+	return 0;
+}
diff --git a/drivers/net/wireless/silabs/wfx/scan.h b/drivers/net/wireless/silabs/wfx/scan.h
index 78e3b984f375c..2f8361769303e 100644
--- a/drivers/net/wireless/silabs/wfx/scan.h
+++ b/drivers/net/wireless/silabs/wfx/scan.h
@@ -19,4 +19,9 @@ int wfx_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
 void wfx_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
 void wfx_scan_complete(struct wfx_vif *wvif, int nb_chan_done);
 
+int wfx_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+			  struct ieee80211_channel *chan, int duration,
+			  enum ieee80211_roc_type type);
+int wfx_cancel_remain_on_channel(struct ieee80211_hw *hw, struct ieee80211_vif *vif);
+
 #endif
-- 
2.39.2