linux-kernel - [PATCH v2 2/2] mt76: mt7615: update peer's bssid when state transition occurs

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Date:   Thu, 13 Jun 2019 15:13:31 +0800
From:   Ryder Lee <ryder.lee@...iatek.com>
To:     Felix Fietkau <nbd@....name>,
        Lorenzo Bianconi <lorenzo.bianconi@...hat.com>
CC:     Roy Luo <royluo@...gle.com>, YF Luo <yf.luo@...iatek.com>,
        Yiwei Chung <yiwei.chung@...iatek.com>,
        Sean Wang <sean.wang@...iatek.com>,
        <linux-wireless@...r.kernel.org>,
        <linux-mediatek@...ts.infradead.org>,
        <linux-kernel@...r.kernel.org>, Ryder Lee <ryder.lee@...iatek.com>
Subject: [PATCH v2 2/2] mt76: mt7615: update peer's bssid when state transition occurs

This makes sure that the driver update peer's bssid when state
transition occurs.

Signed-off-by: Ryder Lee <ryder.lee@...iatek.com>
---
Changes since v2 - remove unnecessary changes
---
 .../net/wireless/mediatek/mt76/mt7615/main.c  |  5 ++--
 .../net/wireless/mediatek/mt76/mt7615/mcu.c   | 27 ++++++++++---------
 2 files changed, 16 insertions(+), 16 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index d21407ddda31..e0824392c019 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -283,9 +283,8 @@ static void mt7615_bss_info_changed(struct ieee80211_hw *hw,
 
 	mutex_lock(&dev->mt76.mutex);
 
-	/* TODO: sta mode connect/disconnect
-	 * BSS_CHANGED_ASSOC | BSS_CHANGED_BSSID
-	 */
+	if (changed & BSS_CHANGED_ASSOC)
+		mt7615_mcu_set_bss_info(dev, vif, info->assoc);
 
 	/* TODO: update beacon content
 	 * BSS_CHANGED_BEACON
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index e82086eb8aa4..52d89f3533bf 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -759,22 +759,23 @@ int mt7615_mcu_set_bss_info(struct mt7615_dev *dev,
 		conn_type = CONNECTION_INFRA_AP;
 		break;
 	case NL80211_IFTYPE_STATION: {
-		struct ieee80211_sta *sta;
-		struct mt7615_sta *msta;
-
-		rcu_read_lock();
-
-		sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
-		if (!sta) {
+		/* TODO: enable BSS_INFO_UAPSD & BSS_INFO_PM */
+		if (en) {
+			struct ieee80211_sta *sta;
+			struct mt7615_sta *msta;
+
+			rcu_read_lock();
+			sta = ieee80211_find_sta(vif, vif->bss_conf.bssid);
+			if (!sta) {
+				rcu_read_unlock();
+				return -EINVAL;
+			}
+
+			msta = (struct mt7615_sta *)sta->drv_priv;
+			tx_wlan_idx = msta->wcid.idx;
 			rcu_read_unlock();
-			return -EINVAL;
 		}
-
-		msta = (struct mt7615_sta *)sta->drv_priv;
-		tx_wlan_idx = msta->wcid.idx;
 		conn_type = CONNECTION_INFRA_STA;
-
-		rcu_read_unlock();
 		break;
 	}
 	default:
-- 
2.18.0