From 9f367c81de94a8171f7149f14a5f740f0009dd27 Mon Sep 17 00:00:00 2001 From: Deren Wu Date: Tue, 1 Jun 2021 01:01:22 +0800 Subject: [PATCH] mt76: mt7921: enable random mac address during sched_scan Enable src address randomization during scheduled scanning Co-developed-by: Lorenzo Bianconi Signed-off-by: Lorenzo Bianconi Signed-off-by: Deren Wu Signed-off-by: Felix Fietkau --- drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c | 14 ++++++++------ drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h | 4 +++- drivers/net/wireless/mediatek/mt76/mt7921/init.c | 3 ++- 3 files changed, 13 insertions(+), 8 deletions(-) diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c index 9066c57b1e32..a5312d225d93 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c @@ -1519,14 +1519,16 @@ int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy, req->version = 1; req->seq_num = mvif->scan_seq_num | ext_phy << 7; - if (is_mt7663(phy->dev) && - (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR)) { - get_random_mask_addr(req->mt7663.random_mac, sreq->mac_addr, - sreq->mac_addr_mask); + if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) { + u8 *addr = is_mt7663(phy->dev) ? req->mt7663.random_mac + : req->mt7921.random_mac; + req->scan_func = 1; - } else if (is_mt7921(phy->dev)) { - req->mt7921.bss_idx = mvif->idx; + get_random_mask_addr(addr, sreq->mac_addr, + sreq->mac_addr_mask); } + if (is_mt7921(phy->dev)) + req->mt7921.bss_idx = mvif->idx; req->ssids_num = sreq->n_ssids; for (i = 0; i < req->ssids_num; i++) { diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index 13f7d6a57889..b574d444ddca 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -779,7 +779,9 @@ struct mt76_connac_sched_scan_req { } mt7663; struct { u8 bss_idx; - u8 pad2[63]; + u8 pad2[19]; + u8 random_mac[ETH_ALEN]; + u8 pad3[38]; } mt7921; }; } __packed; diff --git a/drivers/net/wireless/mediatek/mt76/mt7921/init.c b/drivers/net/wireless/mediatek/mt76/mt7921/init.c index 9253706c24a0..06fca78fe149 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7921/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7921/init.c @@ -76,7 +76,8 @@ mt7921_init_wiphy(struct ieee80211_hw *hw) wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; wiphy->reg_notifier = mt7921_regd_notifier; - wiphy->features |= NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; + wiphy->features |= NL80211_FEATURE_SCHED_SCAN_RANDOM_MAC_ADDR | + NL80211_FEATURE_SCAN_RANDOM_MAC_ADDR; wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_SET_SCAN_DWELL); ieee80211_hw_set(hw, SINGLE_SCAN_ON_ALL_BANDS); -- 2.11.0