11802d0beSThomas Gleixner // SPDX-License-Identifier: GPL-2.0-only
2c869f77dSJakub Kicinski /*
3c869f77dSJakub Kicinski * Copyright (C) 2014 Felix Fietkau <nbd@openwrt.org>
4c869f77dSJakub Kicinski * Copyright (C) 2015 Jakub Kicinski <kubakici@wp.pl>
5c869f77dSJakub Kicinski */
6c869f77dSJakub Kicinski
7c869f77dSJakub Kicinski #include "mt7601u.h"
8c869f77dSJakub Kicinski #include "mac.h"
9c869f77dSJakub Kicinski #include <linux/etherdevice.h>
10c869f77dSJakub Kicinski
mt7601u_start(struct ieee80211_hw * hw)11c869f77dSJakub Kicinski static int mt7601u_start(struct ieee80211_hw *hw)
12c869f77dSJakub Kicinski {
13c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
14c869f77dSJakub Kicinski int ret;
15c869f77dSJakub Kicinski
16c869f77dSJakub Kicinski mutex_lock(&dev->mutex);
17c869f77dSJakub Kicinski
18c869f77dSJakub Kicinski ret = mt7601u_mac_start(dev);
19c869f77dSJakub Kicinski if (ret)
20c869f77dSJakub Kicinski goto out;
21c869f77dSJakub Kicinski
22c869f77dSJakub Kicinski ieee80211_queue_delayed_work(dev->hw, &dev->mac_work,
23c869f77dSJakub Kicinski MT_CALIBRATE_INTERVAL);
24c869f77dSJakub Kicinski ieee80211_queue_delayed_work(dev->hw, &dev->cal_work,
25c869f77dSJakub Kicinski MT_CALIBRATE_INTERVAL);
26c869f77dSJakub Kicinski out:
27c869f77dSJakub Kicinski mutex_unlock(&dev->mutex);
28c869f77dSJakub Kicinski return ret;
29c869f77dSJakub Kicinski }
30c869f77dSJakub Kicinski
mt7601u_stop(struct ieee80211_hw * hw)31c869f77dSJakub Kicinski static void mt7601u_stop(struct ieee80211_hw *hw)
32c869f77dSJakub Kicinski {
33c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
34c869f77dSJakub Kicinski
35c869f77dSJakub Kicinski mutex_lock(&dev->mutex);
36c869f77dSJakub Kicinski
37c869f77dSJakub Kicinski cancel_delayed_work_sync(&dev->cal_work);
38c869f77dSJakub Kicinski cancel_delayed_work_sync(&dev->mac_work);
39c869f77dSJakub Kicinski mt7601u_mac_stop(dev);
40c869f77dSJakub Kicinski
41c869f77dSJakub Kicinski mutex_unlock(&dev->mutex);
42c869f77dSJakub Kicinski }
43c869f77dSJakub Kicinski
mt7601u_add_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)44c869f77dSJakub Kicinski static int mt7601u_add_interface(struct ieee80211_hw *hw,
45c869f77dSJakub Kicinski struct ieee80211_vif *vif)
46c869f77dSJakub Kicinski {
47c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
48c869f77dSJakub Kicinski struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv;
49c869f77dSJakub Kicinski unsigned int idx = 0;
50c869f77dSJakub Kicinski unsigned int wcid = GROUP_WCID(idx);
51c869f77dSJakub Kicinski
52c869f77dSJakub Kicinski /* Note: for AP do the AP-STA things mt76 does:
53c869f77dSJakub Kicinski * - beacon offsets
54c869f77dSJakub Kicinski * - do mac address tricks
55c869f77dSJakub Kicinski * - shift vif idx
56c869f77dSJakub Kicinski */
57c869f77dSJakub Kicinski mvif->idx = idx;
58c869f77dSJakub Kicinski
59032a552eSLorenzo Bianconi if (!ether_addr_equal(dev->macaddr, vif->addr))
60032a552eSLorenzo Bianconi mt7601u_set_macaddr(dev, vif->addr);
61032a552eSLorenzo Bianconi
62c869f77dSJakub Kicinski if (dev->wcid_mask[wcid / BITS_PER_LONG] & BIT(wcid % BITS_PER_LONG))
63c869f77dSJakub Kicinski return -ENOSPC;
64c869f77dSJakub Kicinski dev->wcid_mask[wcid / BITS_PER_LONG] |= BIT(wcid % BITS_PER_LONG);
65c869f77dSJakub Kicinski mvif->group_wcid.idx = wcid;
66c869f77dSJakub Kicinski mvif->group_wcid.hw_key_idx = -1;
67c869f77dSJakub Kicinski
68c869f77dSJakub Kicinski return 0;
69c869f77dSJakub Kicinski }
70c869f77dSJakub Kicinski
mt7601u_remove_interface(struct ieee80211_hw * hw,struct ieee80211_vif * vif)71c869f77dSJakub Kicinski static void mt7601u_remove_interface(struct ieee80211_hw *hw,
72c869f77dSJakub Kicinski struct ieee80211_vif *vif)
73c869f77dSJakub Kicinski {
74c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
75c869f77dSJakub Kicinski struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv;
76c869f77dSJakub Kicinski unsigned int wcid = mvif->group_wcid.idx;
77c869f77dSJakub Kicinski
78c869f77dSJakub Kicinski dev->wcid_mask[wcid / BITS_PER_LONG] &= ~BIT(wcid % BITS_PER_LONG);
79c869f77dSJakub Kicinski }
80c869f77dSJakub Kicinski
mt7601u_config(struct ieee80211_hw * hw,u32 changed)81c869f77dSJakub Kicinski static int mt7601u_config(struct ieee80211_hw *hw, u32 changed)
82c869f77dSJakub Kicinski {
83c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
84c869f77dSJakub Kicinski int ret = 0;
85c869f77dSJakub Kicinski
86c869f77dSJakub Kicinski mutex_lock(&dev->mutex);
87c869f77dSJakub Kicinski
88c869f77dSJakub Kicinski if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
89c869f77dSJakub Kicinski ieee80211_stop_queues(hw);
90c869f77dSJakub Kicinski ret = mt7601u_phy_set_channel(dev, &hw->conf.chandef);
91c869f77dSJakub Kicinski ieee80211_wake_queues(hw);
92c869f77dSJakub Kicinski }
93c869f77dSJakub Kicinski
94c869f77dSJakub Kicinski mutex_unlock(&dev->mutex);
95c869f77dSJakub Kicinski
96c869f77dSJakub Kicinski return ret;
97c869f77dSJakub Kicinski }
98c869f77dSJakub Kicinski
99c869f77dSJakub Kicinski static void
mt76_configure_filter(struct ieee80211_hw * hw,unsigned int changed_flags,unsigned int * total_flags,u64 multicast)100c869f77dSJakub Kicinski mt76_configure_filter(struct ieee80211_hw *hw, unsigned int changed_flags,
101c869f77dSJakub Kicinski unsigned int *total_flags, u64 multicast)
102c869f77dSJakub Kicinski {
103c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
104c869f77dSJakub Kicinski u32 flags = 0;
105c869f77dSJakub Kicinski
106c869f77dSJakub Kicinski #define MT76_FILTER(_flag, _hw) do { \
107c869f77dSJakub Kicinski flags |= *total_flags & FIF_##_flag; \
108c869f77dSJakub Kicinski dev->rxfilter &= ~(_hw); \
109c869f77dSJakub Kicinski dev->rxfilter |= !(flags & FIF_##_flag) * (_hw); \
110c869f77dSJakub Kicinski } while (0)
111c869f77dSJakub Kicinski
112c869f77dSJakub Kicinski mutex_lock(&dev->mutex);
113c869f77dSJakub Kicinski
114c869f77dSJakub Kicinski dev->rxfilter &= ~MT_RX_FILTR_CFG_OTHER_BSS;
115c869f77dSJakub Kicinski
1162dea58f6SJakub Kicinski MT76_FILTER(OTHER_BSS, MT_RX_FILTR_CFG_PROMISC);
117c869f77dSJakub Kicinski MT76_FILTER(FCSFAIL, MT_RX_FILTR_CFG_CRC_ERR);
118c869f77dSJakub Kicinski MT76_FILTER(PLCPFAIL, MT_RX_FILTR_CFG_PHY_ERR);
119c869f77dSJakub Kicinski MT76_FILTER(CONTROL, MT_RX_FILTR_CFG_ACK |
120c869f77dSJakub Kicinski MT_RX_FILTR_CFG_CTS |
121c869f77dSJakub Kicinski MT_RX_FILTR_CFG_CFEND |
122c869f77dSJakub Kicinski MT_RX_FILTR_CFG_CFACK |
123c869f77dSJakub Kicinski MT_RX_FILTR_CFG_BA |
124c869f77dSJakub Kicinski MT_RX_FILTR_CFG_CTRL_RSV);
125c869f77dSJakub Kicinski MT76_FILTER(PSPOLL, MT_RX_FILTR_CFG_PSPOLL);
126c869f77dSJakub Kicinski
127c869f77dSJakub Kicinski *total_flags = flags;
128c869f77dSJakub Kicinski mt76_wr(dev, MT_RX_FILTR_CFG, dev->rxfilter);
129c869f77dSJakub Kicinski
130c869f77dSJakub Kicinski mutex_unlock(&dev->mutex);
131c869f77dSJakub Kicinski }
132c869f77dSJakub Kicinski
133c869f77dSJakub Kicinski static void
mt7601u_bss_info_changed(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_bss_conf * info,u64 changed)134c869f77dSJakub Kicinski mt7601u_bss_info_changed(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
1357b7090b4SJohannes Berg struct ieee80211_bss_conf *info, u64 changed)
136c869f77dSJakub Kicinski {
137c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
138c869f77dSJakub Kicinski
139c869f77dSJakub Kicinski mutex_lock(&dev->mutex);
140c869f77dSJakub Kicinski
141c869f77dSJakub Kicinski if (changed & BSS_CHANGED_ASSOC)
142c869f77dSJakub Kicinski mt7601u_phy_con_cal_onoff(dev, info);
143c869f77dSJakub Kicinski
144c869f77dSJakub Kicinski if (changed & BSS_CHANGED_BSSID) {
145c869f77dSJakub Kicinski mt7601u_addr_wr(dev, MT_MAC_BSSID_DW0, info->bssid);
146c869f77dSJakub Kicinski
147c869f77dSJakub Kicinski /* Note: this is a hack because beacon_int is not changed
148c869f77dSJakub Kicinski * on leave nor is any more appropriate event generated.
149c869f77dSJakub Kicinski * rt2x00 doesn't seem to be bothered though.
150c869f77dSJakub Kicinski */
151c869f77dSJakub Kicinski if (is_zero_ether_addr(info->bssid))
152c869f77dSJakub Kicinski mt7601u_mac_config_tsf(dev, false, 0);
153c869f77dSJakub Kicinski }
154c869f77dSJakub Kicinski
155c869f77dSJakub Kicinski if (changed & BSS_CHANGED_BASIC_RATES) {
156c869f77dSJakub Kicinski mt7601u_wr(dev, MT_LEGACY_BASIC_RATE, info->basic_rates);
157c869f77dSJakub Kicinski mt7601u_wr(dev, MT_HT_FBK_CFG0, 0x65432100);
158c869f77dSJakub Kicinski mt7601u_wr(dev, MT_HT_FBK_CFG1, 0xedcba980);
159c869f77dSJakub Kicinski mt7601u_wr(dev, MT_LG_FBK_CFG0, 0xedcba988);
160c869f77dSJakub Kicinski mt7601u_wr(dev, MT_LG_FBK_CFG1, 0x00002100);
161c869f77dSJakub Kicinski }
162c869f77dSJakub Kicinski
163c869f77dSJakub Kicinski if (changed & BSS_CHANGED_BEACON_INT)
164c869f77dSJakub Kicinski mt7601u_mac_config_tsf(dev, true, info->beacon_int);
165c869f77dSJakub Kicinski
166c869f77dSJakub Kicinski if (changed & BSS_CHANGED_HT || changed & BSS_CHANGED_ERP_CTS_PROT)
167c869f77dSJakub Kicinski mt7601u_mac_set_protection(dev, info->use_cts_prot,
168c869f77dSJakub Kicinski info->ht_operation_mode);
169c869f77dSJakub Kicinski
170c869f77dSJakub Kicinski if (changed & BSS_CHANGED_ERP_PREAMBLE)
171c869f77dSJakub Kicinski mt7601u_mac_set_short_preamble(dev, info->use_short_preamble);
172c869f77dSJakub Kicinski
173c869f77dSJakub Kicinski if (changed & BSS_CHANGED_ERP_SLOT) {
174c869f77dSJakub Kicinski int slottime = info->use_short_slot ? 9 : 20;
175c869f77dSJakub Kicinski
176c869f77dSJakub Kicinski mt76_rmw_field(dev, MT_BKOFF_SLOT_CFG,
177c869f77dSJakub Kicinski MT_BKOFF_SLOT_CFG_SLOTTIME, slottime);
178c869f77dSJakub Kicinski }
179c869f77dSJakub Kicinski
180c869f77dSJakub Kicinski if (changed & BSS_CHANGED_ASSOC)
181c869f77dSJakub Kicinski mt7601u_phy_recalibrate_after_assoc(dev);
182c869f77dSJakub Kicinski
183c869f77dSJakub Kicinski mutex_unlock(&dev->mutex);
184c869f77dSJakub Kicinski }
185c869f77dSJakub Kicinski
186c869f77dSJakub Kicinski static int
mt76_wcid_alloc(struct mt7601u_dev * dev)187c869f77dSJakub Kicinski mt76_wcid_alloc(struct mt7601u_dev *dev)
188c869f77dSJakub Kicinski {
189c869f77dSJakub Kicinski int i, idx = 0;
190c869f77dSJakub Kicinski
191c869f77dSJakub Kicinski for (i = 0; i < ARRAY_SIZE(dev->wcid_mask); i++) {
192c869f77dSJakub Kicinski idx = ffs(~dev->wcid_mask[i]);
193c869f77dSJakub Kicinski if (!idx)
194c869f77dSJakub Kicinski continue;
195c869f77dSJakub Kicinski
196c869f77dSJakub Kicinski idx--;
197c869f77dSJakub Kicinski dev->wcid_mask[i] |= BIT(idx);
198c869f77dSJakub Kicinski break;
199c869f77dSJakub Kicinski }
200c869f77dSJakub Kicinski
201c869f77dSJakub Kicinski idx = i * BITS_PER_LONG + idx;
202c869f77dSJakub Kicinski if (idx > 119)
203c869f77dSJakub Kicinski return -1;
204c869f77dSJakub Kicinski
205c869f77dSJakub Kicinski return idx;
206c869f77dSJakub Kicinski }
207c869f77dSJakub Kicinski
208c869f77dSJakub Kicinski static int
mt7601u_sta_add(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)209c869f77dSJakub Kicinski mt7601u_sta_add(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
210c869f77dSJakub Kicinski struct ieee80211_sta *sta)
211c869f77dSJakub Kicinski {
212c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
213c869f77dSJakub Kicinski struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
214c869f77dSJakub Kicinski struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv;
215c869f77dSJakub Kicinski int ret = 0;
216c869f77dSJakub Kicinski int idx = 0;
217c869f77dSJakub Kicinski
218c869f77dSJakub Kicinski mutex_lock(&dev->mutex);
219c869f77dSJakub Kicinski
220c869f77dSJakub Kicinski idx = mt76_wcid_alloc(dev);
221c869f77dSJakub Kicinski if (idx < 0) {
222c869f77dSJakub Kicinski ret = -ENOSPC;
223c869f77dSJakub Kicinski goto out;
224c869f77dSJakub Kicinski }
225c869f77dSJakub Kicinski
226c869f77dSJakub Kicinski msta->wcid.idx = idx;
227c869f77dSJakub Kicinski msta->wcid.hw_key_idx = -1;
228c869f77dSJakub Kicinski mt7601u_mac_wcid_setup(dev, idx, mvif->idx, sta->addr);
229c869f77dSJakub Kicinski mt76_clear(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx));
230c869f77dSJakub Kicinski rcu_assign_pointer(dev->wcid[idx], &msta->wcid);
231c869f77dSJakub Kicinski mt7601u_mac_set_ampdu_factor(dev);
232c869f77dSJakub Kicinski
233c869f77dSJakub Kicinski out:
234c869f77dSJakub Kicinski mutex_unlock(&dev->mutex);
235c869f77dSJakub Kicinski
236c869f77dSJakub Kicinski return ret;
237c869f77dSJakub Kicinski }
238c869f77dSJakub Kicinski
239c869f77dSJakub Kicinski static int
mt7601u_sta_remove(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)240c869f77dSJakub Kicinski mt7601u_sta_remove(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
241c869f77dSJakub Kicinski struct ieee80211_sta *sta)
242c869f77dSJakub Kicinski {
243c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
244c869f77dSJakub Kicinski struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
245c869f77dSJakub Kicinski int idx = msta->wcid.idx;
246c869f77dSJakub Kicinski
247c869f77dSJakub Kicinski mutex_lock(&dev->mutex);
248c869f77dSJakub Kicinski rcu_assign_pointer(dev->wcid[idx], NULL);
249c869f77dSJakub Kicinski mt76_set(dev, MT_WCID_DROP(idx), MT_WCID_DROP_MASK(idx));
250c869f77dSJakub Kicinski dev->wcid_mask[idx / BITS_PER_LONG] &= ~BIT(idx % BITS_PER_LONG);
251c869f77dSJakub Kicinski mt7601u_mac_wcid_setup(dev, idx, 0, NULL);
252c869f77dSJakub Kicinski mt7601u_mac_set_ampdu_factor(dev);
253c869f77dSJakub Kicinski mutex_unlock(&dev->mutex);
254c869f77dSJakub Kicinski
255c869f77dSJakub Kicinski return 0;
256c869f77dSJakub Kicinski }
257c869f77dSJakub Kicinski
258c869f77dSJakub Kicinski static void
mt7601u_sta_notify(struct ieee80211_hw * hw,struct ieee80211_vif * vif,enum sta_notify_cmd cmd,struct ieee80211_sta * sta)259c869f77dSJakub Kicinski mt7601u_sta_notify(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
260c869f77dSJakub Kicinski enum sta_notify_cmd cmd, struct ieee80211_sta *sta)
261c869f77dSJakub Kicinski {
262c869f77dSJakub Kicinski }
263c869f77dSJakub Kicinski
264c869f77dSJakub Kicinski static void
mt7601u_sw_scan(struct ieee80211_hw * hw,struct ieee80211_vif * vif,const u8 * mac_addr)265c869f77dSJakub Kicinski mt7601u_sw_scan(struct ieee80211_hw *hw,
266c869f77dSJakub Kicinski struct ieee80211_vif *vif,
267c869f77dSJakub Kicinski const u8 *mac_addr)
268c869f77dSJakub Kicinski {
269c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
270c869f77dSJakub Kicinski
271c869f77dSJakub Kicinski mt7601u_agc_save(dev);
272c869f77dSJakub Kicinski set_bit(MT7601U_STATE_SCANNING, &dev->state);
273c869f77dSJakub Kicinski }
274c869f77dSJakub Kicinski
275c869f77dSJakub Kicinski static void
mt7601u_sw_scan_complete(struct ieee80211_hw * hw,struct ieee80211_vif * vif)276c869f77dSJakub Kicinski mt7601u_sw_scan_complete(struct ieee80211_hw *hw,
277c869f77dSJakub Kicinski struct ieee80211_vif *vif)
278c869f77dSJakub Kicinski {
279c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
280c869f77dSJakub Kicinski
281c869f77dSJakub Kicinski mt7601u_agc_restore(dev);
282c869f77dSJakub Kicinski clear_bit(MT7601U_STATE_SCANNING, &dev->state);
2832019c39aSStanislaw Gruszka
2842019c39aSStanislaw Gruszka ieee80211_queue_delayed_work(dev->hw, &dev->cal_work,
2852019c39aSStanislaw Gruszka MT_CALIBRATE_INTERVAL);
2862019c39aSStanislaw Gruszka if (dev->freq_cal.enabled)
2872019c39aSStanislaw Gruszka ieee80211_queue_delayed_work(dev->hw, &dev->freq_cal.work,
2882019c39aSStanislaw Gruszka MT_FREQ_CAL_INIT_DELAY);
289c869f77dSJakub Kicinski }
290c869f77dSJakub Kicinski
291c869f77dSJakub Kicinski static int
mt7601u_set_key(struct ieee80211_hw * hw,enum set_key_cmd cmd,struct ieee80211_vif * vif,struct ieee80211_sta * sta,struct ieee80211_key_conf * key)292c869f77dSJakub Kicinski mt7601u_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
293c869f77dSJakub Kicinski struct ieee80211_vif *vif, struct ieee80211_sta *sta,
294c869f77dSJakub Kicinski struct ieee80211_key_conf *key)
295c869f77dSJakub Kicinski {
296c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
297c869f77dSJakub Kicinski struct mt76_vif *mvif = (struct mt76_vif *) vif->drv_priv;
298c869f77dSJakub Kicinski struct mt76_sta *msta = sta ? (struct mt76_sta *) sta->drv_priv : NULL;
299c869f77dSJakub Kicinski struct mt76_wcid *wcid = msta ? &msta->wcid : &mvif->group_wcid;
300c869f77dSJakub Kicinski int idx = key->keyidx;
301c869f77dSJakub Kicinski int ret;
302c869f77dSJakub Kicinski
30303d677c5SLorenzo Bianconi /* fall back to sw encryption for unsupported ciphers */
30403d677c5SLorenzo Bianconi switch (key->cipher) {
30503d677c5SLorenzo Bianconi case WLAN_CIPHER_SUITE_WEP40:
30603d677c5SLorenzo Bianconi case WLAN_CIPHER_SUITE_WEP104:
30703d677c5SLorenzo Bianconi case WLAN_CIPHER_SUITE_TKIP:
30803d677c5SLorenzo Bianconi case WLAN_CIPHER_SUITE_CCMP:
30903d677c5SLorenzo Bianconi break;
31003d677c5SLorenzo Bianconi default:
31103d677c5SLorenzo Bianconi return -EOPNOTSUPP;
31203d677c5SLorenzo Bianconi }
31303d677c5SLorenzo Bianconi
314c869f77dSJakub Kicinski if (cmd == SET_KEY) {
315c869f77dSJakub Kicinski key->hw_key_idx = wcid->idx;
316c869f77dSJakub Kicinski wcid->hw_key_idx = idx;
317c869f77dSJakub Kicinski } else {
318c869f77dSJakub Kicinski if (idx == wcid->hw_key_idx)
319c869f77dSJakub Kicinski wcid->hw_key_idx = -1;
320c869f77dSJakub Kicinski
321c869f77dSJakub Kicinski key = NULL;
322c869f77dSJakub Kicinski }
323c869f77dSJakub Kicinski
324c869f77dSJakub Kicinski if (!msta) {
325c869f77dSJakub Kicinski if (key || wcid->hw_key_idx == idx) {
326c869f77dSJakub Kicinski ret = mt76_mac_wcid_set_key(dev, wcid->idx, key);
327c869f77dSJakub Kicinski if (ret)
328c869f77dSJakub Kicinski return ret;
329c869f77dSJakub Kicinski }
330c869f77dSJakub Kicinski
331c869f77dSJakub Kicinski return mt76_mac_shared_key_setup(dev, mvif->idx, idx, key);
332c869f77dSJakub Kicinski }
333c869f77dSJakub Kicinski
334c869f77dSJakub Kicinski return mt76_mac_wcid_set_key(dev, msta->wcid.idx, key);
335c869f77dSJakub Kicinski }
336c869f77dSJakub Kicinski
mt7601u_set_rts_threshold(struct ieee80211_hw * hw,u32 value)337c869f77dSJakub Kicinski static int mt7601u_set_rts_threshold(struct ieee80211_hw *hw, u32 value)
338c869f77dSJakub Kicinski {
339c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
340c869f77dSJakub Kicinski
341c869f77dSJakub Kicinski mt76_rmw_field(dev, MT_TX_RTS_CFG, MT_TX_RTS_CFG_THRESH, value);
342c869f77dSJakub Kicinski
343c869f77dSJakub Kicinski return 0;
344c869f77dSJakub Kicinski }
345c869f77dSJakub Kicinski
346c869f77dSJakub Kicinski static int
mt76_ampdu_action(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_ampdu_params * params)347c869f77dSJakub Kicinski mt76_ampdu_action(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
34850ea05efSSara Sharon struct ieee80211_ampdu_params *params)
349c869f77dSJakub Kicinski {
350c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
35150ea05efSSara Sharon struct ieee80211_sta *sta = params->sta;
35250ea05efSSara Sharon enum ieee80211_ampdu_mlme_action action = params->action;
35350ea05efSSara Sharon u16 tid = params->tid;
354f0248ec4SStanislaw Gruszka u16 ssn = params->ssn;
355c869f77dSJakub Kicinski struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
356c869f77dSJakub Kicinski
357c869f77dSJakub Kicinski WARN_ON(msta->wcid.idx > GROUP_WCID(0));
358c869f77dSJakub Kicinski
359c869f77dSJakub Kicinski switch (action) {
360c869f77dSJakub Kicinski case IEEE80211_AMPDU_RX_START:
361c869f77dSJakub Kicinski mt76_set(dev, MT_WCID_ADDR(msta->wcid.idx) + 4, BIT(16 + tid));
362c869f77dSJakub Kicinski break;
363c869f77dSJakub Kicinski case IEEE80211_AMPDU_RX_STOP:
364c869f77dSJakub Kicinski mt76_clear(dev, MT_WCID_ADDR(msta->wcid.idx) + 4,
365c869f77dSJakub Kicinski BIT(16 + tid));
366c869f77dSJakub Kicinski break;
367c869f77dSJakub Kicinski case IEEE80211_AMPDU_TX_OPERATIONAL:
368c869f77dSJakub Kicinski ieee80211_send_bar(vif, sta->addr, tid, msta->agg_ssn[tid]);
369c869f77dSJakub Kicinski break;
370c869f77dSJakub Kicinski case IEEE80211_AMPDU_TX_STOP_FLUSH:
371c869f77dSJakub Kicinski case IEEE80211_AMPDU_TX_STOP_FLUSH_CONT:
372c869f77dSJakub Kicinski break;
373c869f77dSJakub Kicinski case IEEE80211_AMPDU_TX_START:
374f0248ec4SStanislaw Gruszka msta->agg_ssn[tid] = ssn << 4;
3752ce113deSJohannes Berg return IEEE80211_AMPDU_TX_START_IMMEDIATE;
376c869f77dSJakub Kicinski case IEEE80211_AMPDU_TX_STOP_CONT:
377c869f77dSJakub Kicinski ieee80211_stop_tx_ba_cb_irqsafe(vif, sta->addr, tid);
378c869f77dSJakub Kicinski break;
379c869f77dSJakub Kicinski }
380c869f77dSJakub Kicinski
381c869f77dSJakub Kicinski return 0;
382c869f77dSJakub Kicinski }
383c869f77dSJakub Kicinski
384c869f77dSJakub Kicinski static void
mt76_sta_rate_tbl_update(struct ieee80211_hw * hw,struct ieee80211_vif * vif,struct ieee80211_sta * sta)385c869f77dSJakub Kicinski mt76_sta_rate_tbl_update(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
386c869f77dSJakub Kicinski struct ieee80211_sta *sta)
387c869f77dSJakub Kicinski {
388c869f77dSJakub Kicinski struct mt7601u_dev *dev = hw->priv;
389c869f77dSJakub Kicinski struct mt76_sta *msta = (struct mt76_sta *) sta->drv_priv;
390c869f77dSJakub Kicinski struct ieee80211_sta_rates *rates;
391c869f77dSJakub Kicinski struct ieee80211_tx_rate rate = {};
392c869f77dSJakub Kicinski
393c869f77dSJakub Kicinski rcu_read_lock();
394c869f77dSJakub Kicinski rates = rcu_dereference(sta->rates);
395c869f77dSJakub Kicinski
396c869f77dSJakub Kicinski if (!rates)
397c869f77dSJakub Kicinski goto out;
398c869f77dSJakub Kicinski
399c869f77dSJakub Kicinski rate.idx = rates->rate[0].idx;
400c869f77dSJakub Kicinski rate.flags = rates->rate[0].flags;
401c869f77dSJakub Kicinski mt76_mac_wcid_set_rate(dev, &msta->wcid, &rate);
402c869f77dSJakub Kicinski
403c869f77dSJakub Kicinski out:
404c869f77dSJakub Kicinski rcu_read_unlock();
405c869f77dSJakub Kicinski }
406c869f77dSJakub Kicinski
407c869f77dSJakub Kicinski const struct ieee80211_ops mt7601u_ops = {
408c869f77dSJakub Kicinski .tx = mt7601u_tx,
409*a790cc3aSAlexander Wetzel .wake_tx_queue = ieee80211_handle_wake_tx_queue,
410c869f77dSJakub Kicinski .start = mt7601u_start,
411c869f77dSJakub Kicinski .stop = mt7601u_stop,
412c869f77dSJakub Kicinski .add_interface = mt7601u_add_interface,
413c869f77dSJakub Kicinski .remove_interface = mt7601u_remove_interface,
414c869f77dSJakub Kicinski .config = mt7601u_config,
415c869f77dSJakub Kicinski .configure_filter = mt76_configure_filter,
416c869f77dSJakub Kicinski .bss_info_changed = mt7601u_bss_info_changed,
417c869f77dSJakub Kicinski .sta_add = mt7601u_sta_add,
418c869f77dSJakub Kicinski .sta_remove = mt7601u_sta_remove,
419c869f77dSJakub Kicinski .sta_notify = mt7601u_sta_notify,
420c869f77dSJakub Kicinski .set_key = mt7601u_set_key,
421c869f77dSJakub Kicinski .conf_tx = mt7601u_conf_tx,
422c869f77dSJakub Kicinski .sw_scan_start = mt7601u_sw_scan,
423c869f77dSJakub Kicinski .sw_scan_complete = mt7601u_sw_scan_complete,
424c869f77dSJakub Kicinski .ampdu_action = mt76_ampdu_action,
425c869f77dSJakub Kicinski .sta_rate_tbl_update = mt76_sta_rate_tbl_update,
426c869f77dSJakub Kicinski .set_rts_threshold = mt7601u_set_rts_threshold,
427c869f77dSJakub Kicinski };
428