1 // SPDX-License-Identifier: ISC
9 	struct mt76_phy *phy = dev->scan.phy;  in mt76_scan_complete()
17 	clear_bit(MT76_SCANNING, &phy->state);  in mt76_scan_complete()
19 	if (dev->scan.chan && phy->main_chandef.chan)  in mt76_scan_complete()
20 		mt76_set_channel(phy, &phy->main_chandef, false);  in mt76_scan_complete()
21 	mt76_put_vif_phy_link(phy, dev->scan.vif, dev->scan.mlink);  in mt76_scan_complete()
22 	memset(&dev->scan, 0, sizeof(dev->scan));  in mt76_scan_complete()
23 	ieee80211_scan_completed(phy->hw, &info);  in mt76_scan_complete()
28 	cancel_delayed_work_sync(&dev->scan_work);  in mt76_abort_scan()
35 	struct cfg80211_scan_request *req = dev->scan.req;  in mt76_scan_send_probe()
36 	struct ieee80211_vif *vif = dev->scan.vif;  in mt76_scan_send_probe()
37 	struct mt76_vif_link *mvif = dev->scan.mlink;  in mt76_scan_send_probe()
38 	enum nl80211_band band = dev->scan.chan->band;  in mt76_scan_send_probe()
39 	struct mt76_phy *phy = dev->scan.phy;  in mt76_scan_send_probe()
43 	skb = ieee80211_probereq_get(phy->hw, vif->addr, ssid->ssid,  in mt76_scan_send_probe()
44 				     ssid->ssid_len, req->ie_len);  in mt76_scan_send_probe()
48 	if (is_unicast_ether_addr(req->bssid)) {  in mt76_scan_send_probe()
49 		struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;  in mt76_scan_send_probe()
51 		ether_addr_copy(hdr->addr1, req->bssid);  in mt76_scan_send_probe()
52 		ether_addr_copy(hdr->addr3, req->bssid);  in mt76_scan_send_probe()
55 	if (req->ie_len)  in mt76_scan_send_probe()
56 		skb_put_data(skb, req->ie, req->ie_len);  in mt76_scan_send_probe()
58 	skb->priority = 7;  in mt76_scan_send_probe()
63 	if (!ieee80211_tx_prepare_skb(phy->hw, vif, skb, band, NULL)) {  in mt76_scan_send_probe()
64 		ieee80211_free_txskb(phy->hw, skb);  in mt76_scan_send_probe()
69 	if (req->no_cck)  in mt76_scan_send_probe()
70 		info->flags |= IEEE80211_TX_CTL_NO_CCK_RATE;  in mt76_scan_send_probe()
71 	info->control.flags |= IEEE80211_TX_CTRL_DONT_USE_RATE_MASK;  in mt76_scan_send_probe()
73 	mt76_tx(phy, NULL, mvif->wcid, skb);  in mt76_scan_send_probe()
83 	struct cfg80211_scan_request *req = dev->scan.req;  in mt76_scan_work()
85 	struct mt76_phy *phy = dev->scan.phy;  in mt76_scan_work()
89 	if (dev->scan.chan_idx >= req->n_channels) {  in mt76_scan_work()
94 	if (dev->scan.chan && phy->num_sta) {  in mt76_scan_work()
95 		dev->scan.chan = NULL;  in mt76_scan_work()
96 		mt76_set_channel(phy, &phy->main_chandef, false);  in mt76_scan_work()
100 	dev->scan.chan = req->channels[dev->scan.chan_idx++];  in mt76_scan_work()
101 	cfg80211_chandef_create(&chandef, dev->scan.chan, NL80211_CHAN_HT20);  in mt76_scan_work()
104 	if (!req->n_ssids ||  in mt76_scan_work()
105 	    chandef.chan->flags & (IEEE80211_CHAN_NO_IR | IEEE80211_CHAN_RADAR))  in mt76_scan_work()
110 	for (i = 0; i < req->n_ssids; i++)  in mt76_scan_work()
111 		mt76_scan_send_probe(dev, &req->ssids[i]);  in mt76_scan_work()
118 	if (dev->scan.chan)  in mt76_scan_work()
120 			         msecs_to_jiffies(req->duration +  in mt76_scan_work()
121 						  (req->duration >> 5)));  in mt76_scan_work()
123 	ieee80211_queue_delayed_work(dev->phy.hw, &dev->scan_work, duration);  in mt76_scan_work()
126 int mt76_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,  in mt76_hw_scan()  argument
129 	struct mt76_phy *phy = hw->priv;  in mt76_hw_scan()
130 	struct mt76_dev *dev = phy->dev;  in mt76_hw_scan()
134 	if (hw->wiphy->n_radio > 1) {  in mt76_hw_scan()
135 		phy = dev->band_phys[req->req.channels[0]->band];  in mt76_hw_scan()
137 			return -EINVAL;  in mt76_hw_scan()
140 	mutex_lock(&dev->mutex);  in mt76_hw_scan()
142 	if (dev->scan.req || phy->roc_vif) {  in mt76_hw_scan()
143 		ret = -EBUSY;  in mt76_hw_scan()
153 	memset(&dev->scan, 0, sizeof(dev->scan));  in mt76_hw_scan()
154 	dev->scan.req = &req->req;  in mt76_hw_scan()
155 	dev->scan.vif = vif;  in mt76_hw_scan()
156 	dev->scan.phy = phy;  in mt76_hw_scan()
157 	dev->scan.mlink = mlink;  in mt76_hw_scan()
158 	ieee80211_queue_delayed_work(dev->phy.hw, &dev->scan_work, 0);  in mt76_hw_scan()
161 	mutex_unlock(&dev->mutex);  in mt76_hw_scan()
167 void mt76_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)  in mt76_cancel_hw_scan()  argument
169 	struct mt76_phy *phy = hw->priv;  in mt76_cancel_hw_scan()
171 	mt76_abort_scan(phy->dev);  in mt76_cancel_hw_scan()