2021-01-26 11:18:13

by Lorenzo Bianconi

[permalink] [raw]
Subject: [PATCH v3 3/6] mt76: mt76_connac: move hw_scan and sched_scan routine in mt76_connac_mcu module

Move hw_scan/sched_scan in mt76_connac_mcu module in order to be reused in
mt7615 and mt7921 drivers

Signed-off-by: Lorenzo Bianconi <[email protected]>
---
.../net/wireless/mediatek/mt76/mt7615/init.c | 9 +-
.../net/wireless/mediatek/mt76/mt7615/main.c | 20 +-
.../net/wireless/mediatek/mt76/mt7615/mcu.c | 213 +-----------------
.../net/wireless/mediatek/mt76/mt7615/mcu.h | 122 ----------
.../wireless/mediatek/mt76/mt7615/mt7615.h | 15 --
.../wireless/mediatek/mt76/mt76_connac_mcu.c | 197 ++++++++++++++++
.../wireless/mediatek/mt76/mt76_connac_mcu.h | 139 ++++++++++++
7 files changed, 359 insertions(+), 356 deletions(-)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index 87bcf264b370..b994da51b48d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -345,11 +345,12 @@ mt7615_init_wiphy(struct ieee80211_hw *hw)
}
wiphy->reg_notifier = mt7615_regd_notifier;

- wiphy->max_sched_scan_plan_interval = MT7615_MAX_SCHED_SCAN_INTERVAL;
+ wiphy->max_sched_scan_plan_interval =
+ MT76_CONNAC_MAX_SCHED_SCAN_INTERVAL;
wiphy->max_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
- wiphy->max_scan_ie_len = MT7615_SCAN_IE_LEN;
- wiphy->max_sched_scan_ssids = MT7615_MAX_SCHED_SCAN_SSID;
- wiphy->max_match_sets = MT7615_MAX_SCAN_MATCH;
+ wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
+ wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
+ wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
wiphy->max_sched_scan_reqs = 1;
wiphy->max_scan_ssids = 4;

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 67eb2d345184..fcfec0197256 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -997,8 +997,12 @@ mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct mt76_phy *mphy = hw->priv;
int err;

+ /* fall-back to sw-scan */
+ if (!mt7615_firmware_offload(dev))
+ return 1;
+
mt7615_mutex_acquire(dev);
- err = mt7615_mcu_hw_scan(mphy->priv, vif, req);
+ err = mt76_connac_mcu_hw_scan(mphy, vif, req);
mt7615_mutex_release(dev);

return err;
@@ -1011,7 +1015,7 @@ mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
struct mt76_phy *mphy = hw->priv;

mt7615_mutex_acquire(dev);
- mt7615_mcu_cancel_hw_scan(mphy->priv, vif);
+ mt76_connac_mcu_cancel_hw_scan(mphy, vif);
mt7615_mutex_release(dev);
}

@@ -1024,13 +1028,16 @@ mt7615_start_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct mt76_phy *mphy = hw->priv;
int err;

+ if (!mt7615_firmware_offload(dev))
+ return -EOPNOTSUPP;
+
mt7615_mutex_acquire(dev);

- err = mt7615_mcu_sched_scan_req(mphy->priv, vif, req);
+ err = mt76_connac_mcu_sched_scan_req(mphy, vif, req);
if (err < 0)
goto out;

- err = mt7615_mcu_sched_scan_enable(mphy->priv, vif, true);
+ err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
out:
mt7615_mutex_release(dev);

@@ -1044,8 +1051,11 @@ mt7615_stop_sched_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
struct mt76_phy *mphy = hw->priv;
int err;

+ if (!mt7615_firmware_offload(dev))
+ return -EOPNOTSUPP;
+
mt7615_mutex_acquire(dev);
- err = mt7615_mcu_sched_scan_enable(mphy->priv, vif, false);
+ err = mt76_connac_mcu_sched_scan_enable(mphy, vif, false);
mt7615_mutex_release(dev);

return err;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 36d7f6f08fa2..8efe64962f10 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -2231,214 +2231,6 @@ int mt7615_mcu_set_sku_en(struct mt7615_phy *phy, bool enable)
sizeof(req), true);
}

-#define MT7615_SCAN_CHANNEL_TIME 60
-int mt7615_mcu_hw_scan(struct mt7615_phy *phy, struct ieee80211_vif *vif,
- struct ieee80211_scan_request *scan_req)
-{
- struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
- struct cfg80211_scan_request *sreq = &scan_req->req;
- int n_ssids = 0, err, i, duration = MT7615_SCAN_CHANNEL_TIME;
- int ext_channels_num = max_t(int, sreq->n_channels - 32, 0);
- struct ieee80211_channel **scan_list = sreq->channels;
- struct mt7615_dev *dev = phy->dev;
- bool ext_phy = phy != &dev->phy;
- struct mt7615_mcu_scan_channel *chan;
- struct mt7615_hw_scan_req *req;
- struct sk_buff *skb;
-
- /* fall-back to sw-scan */
- if (!mt7615_firmware_offload(dev))
- return 1;
-
- skb = mt76_mcu_msg_alloc(&dev->mt76, NULL, sizeof(*req));
- if (!skb)
- return -ENOMEM;
-
- set_bit(MT76_HW_SCANNING, &phy->mt76->state);
- mvif->mt76.scan_seq_num = (mvif->mt76.scan_seq_num + 1) & 0x7f;
-
- req = (struct mt7615_hw_scan_req *)skb_put(skb, sizeof(*req));
-
- req->seq_num = mvif->mt76.scan_seq_num | ext_phy << 7;
- req->bss_idx = mvif->mt76.idx;
- req->scan_type = sreq->n_ssids ? 1 : 0;
- req->probe_req_num = sreq->n_ssids ? 2 : 0;
- req->version = 1;
-
- for (i = 0; i < sreq->n_ssids; i++) {
- if (!sreq->ssids[i].ssid_len)
- continue;
-
- req->ssids[i].ssid_len = cpu_to_le32(sreq->ssids[i].ssid_len);
- memcpy(req->ssids[i].ssid, sreq->ssids[i].ssid,
- sreq->ssids[i].ssid_len);
- n_ssids++;
- }
- req->ssid_type = n_ssids ? BIT(2) : BIT(0);
- req->ssid_type_ext = n_ssids ? BIT(0) : 0;
- req->ssids_num = n_ssids;
-
- /* increase channel time for passive scan */
- if (!sreq->n_ssids)
- duration *= 2;
- req->timeout_value = cpu_to_le16(sreq->n_channels * duration);
- req->channel_min_dwell_time = cpu_to_le16(duration);
- req->channel_dwell_time = cpu_to_le16(duration);
-
- req->channels_num = min_t(u8, sreq->n_channels, 32);
- req->ext_channels_num = min_t(u8, ext_channels_num, 32);
- for (i = 0; i < req->channels_num + req->ext_channels_num; i++) {
- if (i >= 32)
- chan = &req->ext_channels[i - 32];
- else
- chan = &req->channels[i];
-
- chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2;
- chan->channel_num = scan_list[i]->hw_value;
- }
- req->channel_type = sreq->n_channels ? 4 : 0;
-
- if (sreq->ie_len > 0) {
- memcpy(req->ies, sreq->ie, sreq->ie_len);
- req->ies_len = cpu_to_le16(sreq->ie_len);
- }
-
- memcpy(req->bssid, sreq->bssid, ETH_ALEN);
- if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
- get_random_mask_addr(req->random_mac, sreq->mac_addr,
- sreq->mac_addr_mask);
- req->scan_func = 1;
- }
-
- err = mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_CMD_START_HW_SCAN,
- false);
- if (err < 0)
- clear_bit(MT76_HW_SCANNING, &phy->mt76->state);
-
- return err;
-}
-
-int mt7615_mcu_cancel_hw_scan(struct mt7615_phy *phy,
- struct ieee80211_vif *vif)
-{
- struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
- struct mt7615_dev *dev = phy->dev;
- struct {
- u8 seq_num;
- u8 is_ext_channel;
- u8 rsv[2];
- } __packed req = {
- .seq_num = mvif->mt76.scan_seq_num,
- };
-
- if (test_and_clear_bit(MT76_HW_SCANNING, &phy->mt76->state)) {
- struct cfg80211_scan_info info = {
- .aborted = true,
- };
-
- ieee80211_scan_completed(phy->mt76->hw, &info);
- }
-
- return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_CANCEL_HW_SCAN, &req,
- sizeof(req), false);
-}
-
-int mt7615_mcu_sched_scan_req(struct mt7615_phy *phy,
- struct ieee80211_vif *vif,
- struct cfg80211_sched_scan_request *sreq)
-{
- struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
- struct ieee80211_channel **scan_list = sreq->channels;
- struct mt7615_dev *dev = phy->dev;
- bool ext_phy = phy != &dev->phy;
- struct mt7615_mcu_scan_channel *chan;
- struct mt7615_sched_scan_req *req;
- struct cfg80211_match_set *match;
- struct cfg80211_ssid *ssid;
- struct sk_buff *skb;
- int i;
-
- if (!mt7615_firmware_offload(dev))
- return -ENOTSUPP;
-
- skb = mt76_mcu_msg_alloc(&dev->mt76, NULL,
- sizeof(*req) + sreq->ie_len);
- if (!skb)
- return -ENOMEM;
-
- mvif->mt76.scan_seq_num = (mvif->mt76.scan_seq_num + 1) & 0x7f;
-
- req = (struct mt7615_sched_scan_req *)skb_put(skb, sizeof(*req));
- req->version = 1;
- req->seq_num = mvif->mt76.scan_seq_num | ext_phy << 7;
-
- if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
- get_random_mask_addr(req->random_mac, sreq->mac_addr,
- sreq->mac_addr_mask);
- req->scan_func = 1;
- }
-
- req->ssids_num = sreq->n_ssids;
- for (i = 0; i < req->ssids_num; i++) {
- ssid = &sreq->ssids[i];
- memcpy(req->ssids[i].ssid, ssid->ssid, ssid->ssid_len);
- req->ssids[i].ssid_len = cpu_to_le32(ssid->ssid_len);
- }
-
- req->match_num = sreq->n_match_sets;
- for (i = 0; i < req->match_num; i++) {
- match = &sreq->match_sets[i];
- memcpy(req->match[i].ssid, match->ssid.ssid,
- match->ssid.ssid_len);
- req->match[i].rssi_th = cpu_to_le32(match->rssi_thold);
- req->match[i].ssid_len = match->ssid.ssid_len;
- }
-
- req->channel_type = sreq->n_channels ? 4 : 0;
- req->channels_num = min_t(u8, sreq->n_channels, 64);
- for (i = 0; i < req->channels_num; i++) {
- chan = &req->channels[i];
- chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2;
- chan->channel_num = scan_list[i]->hw_value;
- }
-
- req->intervals_num = sreq->n_scan_plans;
- for (i = 0; i < req->intervals_num; i++)
- req->intervals[i] = cpu_to_le16(sreq->scan_plans[i].interval);
-
- if (sreq->ie_len > 0) {
- req->ie_len = cpu_to_le16(sreq->ie_len);
- memcpy(skb_put(skb, sreq->ie_len), sreq->ie, sreq->ie_len);
- }
-
- return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_CMD_SCHED_SCAN_REQ,
- false);
-}
-
-int mt7615_mcu_sched_scan_enable(struct mt7615_phy *phy,
- struct ieee80211_vif *vif,
- bool enable)
-{
- struct mt7615_dev *dev = phy->dev;
- struct {
- u8 active; /* 0: enabled 1: disabled */
- u8 rsv[3];
- } __packed req = {
- .active = !enable,
- };
-
- if (!mt7615_firmware_offload(dev))
- return -ENOTSUPP;
-
- if (enable)
- set_bit(MT76_HW_SCHED_SCANNING, &phy->mt76->state);
- else
- clear_bit(MT76_HW_SCHED_SCANNING, &phy->mt76->state);
-
- return mt76_mcu_send_msg(&dev->mt76, MCU_CMD_SCHED_SCAN_ENABLE, &req,
- sizeof(req), false);
-}
-
static int mt7615_find_freq_idx(const u16 *freqs, int n_freqs, u16 cur)
{
int i;
@@ -2819,9 +2611,10 @@ mt7615_mcu_set_wow_ctrl(struct mt7615_phy *phy, struct ieee80211_vif *vif,
if (wowlan->disconnect)
req.wow_ctrl_tlv.trigger |= BIT(2);
if (wowlan->nd_config) {
- mt7615_mcu_sched_scan_req(phy, vif, wowlan->nd_config);
+ mt76_connac_mcu_sched_scan_req(phy->mt76, vif,
+ wowlan->nd_config);
req.wow_ctrl_tlv.trigger |= BIT(5);
- mt7615_mcu_sched_scan_enable(phy, vif, suspend);
+ mt76_connac_mcu_sched_scan_enable(phy->mt76, vif, suspend);
}

if (mt76_is_mmio(&dev->mt76))
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
index 79fb1af2d8a4..69f94b766938 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
@@ -249,128 +249,6 @@ struct mt7615_mcu_uni_event {
__le32 status; /* 0: success, others: fail */
} __packed;

-struct mt7615_mcu_scan_ssid {
- __le32 ssid_len;
- u8 ssid[IEEE80211_MAX_SSID_LEN];
-} __packed;
-
-struct mt7615_mcu_scan_channel {
- u8 band; /* 1: 2.4GHz
- * 2: 5.0GHz
- * Others: Reserved
- */
- u8 channel_num;
-} __packed;
-
-struct mt7615_mcu_scan_match {
- __le32 rssi_th;
- u8 ssid[IEEE80211_MAX_SSID_LEN];
- u8 ssid_len;
- u8 rsv[3];
-} __packed;
-
-struct mt7615_hw_scan_req {
- u8 seq_num;
- u8 bss_idx;
- u8 scan_type; /* 0: PASSIVE SCAN
- * 1: ACTIVE SCAN
- */
- u8 ssid_type; /* BIT(0) wildcard SSID
- * BIT(1) P2P wildcard SSID
- * BIT(2) specified SSID + wildcard SSID
- * BIT(2) + ssid_type_ext BIT(0) specified SSID only
- */
- u8 ssids_num;
- u8 probe_req_num; /* Number of probe request for each SSID */
- u8 scan_func; /* BIT(0) Enable random MAC scan
- * BIT(1) Disable DBDC scan type 1~3.
- * BIT(2) Use DBDC scan type 3 (dedicated one RF to scan).
- */
- u8 version; /* 0: Not support fields after ies.
- * 1: Support fields after ies.
- */
- struct mt7615_mcu_scan_ssid ssids[4];
- __le16 probe_delay_time;
- __le16 channel_dwell_time; /* channel Dwell interval */
- __le16 timeout_value;
- u8 channel_type; /* 0: Full channels
- * 1: Only 2.4GHz channels
- * 2: Only 5GHz channels
- * 3: P2P social channel only (channel #1, #6 and #11)
- * 4: Specified channels
- * Others: Reserved
- */
- u8 channels_num; /* valid when channel_type is 4 */
- /* valid when channels_num is set */
- struct mt7615_mcu_scan_channel channels[32];
- __le16 ies_len;
- u8 ies[MT7615_SCAN_IE_LEN];
- /* following fields are valid if version > 0 */
- u8 ext_channels_num;
- u8 ext_ssids_num;
- __le16 channel_min_dwell_time;
- struct mt7615_mcu_scan_channel ext_channels[32];
- struct mt7615_mcu_scan_ssid ext_ssids[6];
- u8 bssid[ETH_ALEN];
- u8 random_mac[ETH_ALEN]; /* valid when BIT(1) in scan_func is set. */
- u8 pad[63];
- u8 ssid_type_ext;
-} __packed;
-
-#define SCAN_DONE_EVENT_MAX_CHANNEL_NUM 64
-struct mt7615_hw_scan_done {
- u8 seq_num;
- u8 sparse_channel_num;
- struct mt7615_mcu_scan_channel sparse_channel;
- u8 complete_channel_num;
- u8 current_state;
- u8 version;
- u8 pad;
- __le32 beacon_scan_num;
- u8 pno_enabled;
- u8 pad2[3];
- u8 sparse_channel_valid_num;
- u8 pad3[3];
- u8 channel_num[SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
- /* idle format for channel_idle_time
- * 0: first bytes: idle time(ms) 2nd byte: dwell time(ms)
- * 1: first bytes: idle time(8ms) 2nd byte: dwell time(8ms)
- * 2: dwell time (16us)
- */
- __le16 channel_idle_time[SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
- /* beacon and probe response count */
- u8 beacon_probe_num[SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
- u8 mdrdy_count[SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
- __le32 beacon_2g_num;
- __le32 beacon_5g_num;
-} __packed;
-
-struct mt7615_sched_scan_req {
- u8 version;
- u8 seq_num;
- u8 stop_on_match;
- u8 ssids_num;
- u8 match_num;
- u8 pad;
- __le16 ie_len;
- struct mt7615_mcu_scan_ssid ssids[MT7615_MAX_SCHED_SCAN_SSID];
- struct mt7615_mcu_scan_match match[MT7615_MAX_SCAN_MATCH];
- u8 channel_type;
- u8 channels_num;
- u8 intervals_num;
- u8 scan_func; /* BIT(0) eable random mac address */
- struct mt7615_mcu_scan_channel channels[64];
- __le16 intervals[MT7615_MAX_SCHED_SCAN_INTERVAL];
- u8 random_mac[ETH_ALEN]; /* valid when BIT(0) in scan_func is set */
- u8 pad2[58];
-} __packed;
-
-struct nt7615_sched_scan_done {
- u8 seq_num;
- u8 status; /* 0: ssid found */
- __le16 pad;
-} __packed;
-
struct mt7615_mcu_reg_event {
__le32 reg;
__le32 val;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
index 2ed59a141b14..0173db8fd0f7 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
@@ -65,11 +65,6 @@
#define MT7615_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
#define MT7615_CFEND_RATE_11B 0x03 /* 11B LP, 11M */

-#define MT7615_SCAN_IE_LEN 600
-#define MT7615_MAX_SCHED_SCAN_INTERVAL 10
-#define MT7615_MAX_SCHED_SCAN_SSID 10
-#define MT7615_MAX_SCAN_MATCH 16
-
struct mt7615_vif;
struct mt7615_sta;
struct mt7615_dfs_pulse;
@@ -536,16 +531,6 @@ int mt7615_mcu_set_tx_power(struct mt7615_phy *phy);
void mt7615_mcu_exit(struct mt7615_dev *dev);
void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq);
-int mt7615_mcu_hw_scan(struct mt7615_phy *phy, struct ieee80211_vif *vif,
- struct ieee80211_scan_request *scan_req);
-int mt7615_mcu_cancel_hw_scan(struct mt7615_phy *phy,
- struct ieee80211_vif *vif);
-int mt7615_mcu_sched_scan_req(struct mt7615_phy *phy,
- struct ieee80211_vif *vif,
- struct cfg80211_sched_scan_request *sreq);
-int mt7615_mcu_sched_scan_enable(struct mt7615_phy *phy,
- struct ieee80211_vif *vif,
- bool enable);

int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
enum mt76_txq_id qid, struct mt76_wcid *wcid,
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
index c48ccda6935d..ed0e605d1c0b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
@@ -982,5 +982,202 @@ int mt76_connac_mcu_uni_add_bss(struct mt76_phy *phy,
}
EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_add_bss);

+#define MT76_CONNAC_SCAN_CHANNEL_TIME 60
+int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *scan_req)
+{
+ struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
+ struct cfg80211_scan_request *sreq = &scan_req->req;
+ int n_ssids = 0, err, i, duration = MT76_CONNAC_SCAN_CHANNEL_TIME;
+ int ext_channels_num = max_t(int, sreq->n_channels - 32, 0);
+ struct ieee80211_channel **scan_list = sreq->channels;
+ struct mt76_dev *mdev = phy->dev;
+ bool ext_phy = phy == mdev->phy2;
+ struct mt76_connac_mcu_scan_channel *chan;
+ struct mt76_connac_hw_scan_req *req;
+ struct sk_buff *skb;
+
+ skb = mt76_mcu_msg_alloc(mdev, NULL, sizeof(*req));
+ if (!skb)
+ return -ENOMEM;
+
+ set_bit(MT76_HW_SCANNING, &phy->state);
+ mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
+
+ req = (struct mt76_connac_hw_scan_req *)skb_put(skb, sizeof(*req));
+
+ req->seq_num = mvif->scan_seq_num | ext_phy << 7;
+ req->bss_idx = mvif->idx;
+ req->scan_type = sreq->n_ssids ? 1 : 0;
+ req->probe_req_num = sreq->n_ssids ? 2 : 0;
+ req->version = 1;
+
+ for (i = 0; i < sreq->n_ssids; i++) {
+ if (!sreq->ssids[i].ssid_len)
+ continue;
+
+ req->ssids[i].ssid_len = cpu_to_le32(sreq->ssids[i].ssid_len);
+ memcpy(req->ssids[i].ssid, sreq->ssids[i].ssid,
+ sreq->ssids[i].ssid_len);
+ n_ssids++;
+ }
+ req->ssid_type = n_ssids ? BIT(2) : BIT(0);
+ req->ssid_type_ext = n_ssids ? BIT(0) : 0;
+ req->ssids_num = n_ssids;
+
+ /* increase channel time for passive scan */
+ if (!sreq->n_ssids)
+ duration *= 2;
+ req->timeout_value = cpu_to_le16(sreq->n_channels * duration);
+ req->channel_min_dwell_time = cpu_to_le16(duration);
+ req->channel_dwell_time = cpu_to_le16(duration);
+
+ req->channels_num = min_t(u8, sreq->n_channels, 32);
+ req->ext_channels_num = min_t(u8, ext_channels_num, 32);
+ for (i = 0; i < req->channels_num + req->ext_channels_num; i++) {
+ if (i >= 32)
+ chan = &req->ext_channels[i - 32];
+ else
+ chan = &req->channels[i];
+
+ chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2;
+ chan->channel_num = scan_list[i]->hw_value;
+ }
+ req->channel_type = sreq->n_channels ? 4 : 0;
+
+ if (sreq->ie_len > 0) {
+ memcpy(req->ies, sreq->ie, sreq->ie_len);
+ req->ies_len = cpu_to_le16(sreq->ie_len);
+ }
+
+ memcpy(req->bssid, sreq->bssid, ETH_ALEN);
+ if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
+ get_random_mask_addr(req->random_mac, sreq->mac_addr,
+ sreq->mac_addr_mask);
+ req->scan_func = 1;
+ }
+
+ err = mt76_mcu_skb_send_msg(mdev, skb, MCU_CMD_START_HW_SCAN, false);
+ if (err < 0)
+ clear_bit(MT76_HW_SCANNING, &phy->state);
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(mt76_connac_mcu_hw_scan);
+
+int mt76_connac_mcu_cancel_hw_scan(struct mt76_phy *phy,
+ struct ieee80211_vif *vif)
+{
+ struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
+ struct {
+ u8 seq_num;
+ u8 is_ext_channel;
+ u8 rsv[2];
+ } __packed req = {
+ .seq_num = mvif->scan_seq_num,
+ };
+
+ if (test_and_clear_bit(MT76_HW_SCANNING, &phy->state)) {
+ struct cfg80211_scan_info info = {
+ .aborted = true,
+ };
+
+ ieee80211_scan_completed(phy->hw, &info);
+ }
+
+ return mt76_mcu_send_msg(phy->dev, MCU_CMD_CANCEL_HW_SCAN, &req,
+ sizeof(req), false);
+}
+EXPORT_SYMBOL_GPL(mt76_connac_mcu_cancel_hw_scan);
+
+int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
+ struct ieee80211_vif *vif,
+ struct cfg80211_sched_scan_request *sreq)
+{
+ struct mt76_vif *mvif = (struct mt76_vif *)vif->drv_priv;
+ struct ieee80211_channel **scan_list = sreq->channels;
+ struct mt76_connac_mcu_scan_channel *chan;
+ struct mt76_connac_sched_scan_req *req;
+ struct mt76_dev *mdev = phy->dev;
+ bool ext_phy = phy == mdev->phy2;
+ struct cfg80211_match_set *match;
+ struct cfg80211_ssid *ssid;
+ struct sk_buff *skb;
+ int i;
+
+ skb = mt76_mcu_msg_alloc(mdev, NULL, sizeof(*req) + sreq->ie_len);
+ if (!skb)
+ return -ENOMEM;
+
+ mvif->scan_seq_num = (mvif->scan_seq_num + 1) & 0x7f;
+
+ req = (struct mt76_connac_sched_scan_req *)skb_put(skb, sizeof(*req));
+ req->version = 1;
+ req->seq_num = mvif->scan_seq_num | ext_phy << 7;
+
+ if (sreq->flags & NL80211_SCAN_FLAG_RANDOM_ADDR) {
+ get_random_mask_addr(req->random_mac, sreq->mac_addr,
+ sreq->mac_addr_mask);
+ req->scan_func = 1;
+ }
+
+ req->ssids_num = sreq->n_ssids;
+ for (i = 0; i < req->ssids_num; i++) {
+ ssid = &sreq->ssids[i];
+ memcpy(req->ssids[i].ssid, ssid->ssid, ssid->ssid_len);
+ req->ssids[i].ssid_len = cpu_to_le32(ssid->ssid_len);
+ }
+
+ req->match_num = sreq->n_match_sets;
+ for (i = 0; i < req->match_num; i++) {
+ match = &sreq->match_sets[i];
+ memcpy(req->match[i].ssid, match->ssid.ssid,
+ match->ssid.ssid_len);
+ req->match[i].rssi_th = cpu_to_le32(match->rssi_thold);
+ req->match[i].ssid_len = match->ssid.ssid_len;
+ }
+
+ req->channel_type = sreq->n_channels ? 4 : 0;
+ req->channels_num = min_t(u8, sreq->n_channels, 64);
+ for (i = 0; i < req->channels_num; i++) {
+ chan = &req->channels[i];
+ chan->band = scan_list[i]->band == NL80211_BAND_2GHZ ? 1 : 2;
+ chan->channel_num = scan_list[i]->hw_value;
+ }
+
+ req->intervals_num = sreq->n_scan_plans;
+ for (i = 0; i < req->intervals_num; i++)
+ req->intervals[i] = cpu_to_le16(sreq->scan_plans[i].interval);
+
+ if (sreq->ie_len > 0) {
+ req->ie_len = cpu_to_le16(sreq->ie_len);
+ memcpy(skb_put(skb, sreq->ie_len), sreq->ie, sreq->ie_len);
+ }
+
+ return mt76_mcu_skb_send_msg(mdev, skb, MCU_CMD_SCHED_SCAN_REQ, false);
+}
+EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_req);
+
+int mt76_connac_mcu_sched_scan_enable(struct mt76_phy *phy,
+ struct ieee80211_vif *vif,
+ bool enable)
+{
+ struct {
+ u8 active; /* 0: enabled 1: disabled */
+ u8 rsv[3];
+ } __packed req = {
+ .active = !enable,
+ };
+
+ if (enable)
+ set_bit(MT76_HW_SCHED_SCANNING, &phy->state);
+ else
+ clear_bit(MT76_HW_SCHED_SCANNING, &phy->state);
+
+ return mt76_mcu_send_msg(phy->dev, MCU_CMD_SCHED_SCAN_ENABLE, &req,
+ sizeof(req), false);
+}
+EXPORT_SYMBOL_GPL(mt76_connac_mcu_sched_scan_enable);
+
MODULE_AUTHOR("Lorenzo Bianconi <[email protected]>");
MODULE_LICENSE("Dual BSD/GPL");
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
index eb5e7b817d31..8b6c1cd012f6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
@@ -6,6 +6,11 @@

#include "mt76.h"

+#define MT76_CONNAC_SCAN_IE_LEN 600
+#define MT76_CONNAC_MAX_SCHED_SCAN_INTERVAL 10
+#define MT76_CONNAC_MAX_SCHED_SCAN_SSID 10
+#define MT76_CONNAC_MAX_SCAN_MATCH 16
+
enum {
CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20,
CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40,
@@ -652,6 +657,129 @@ struct mt76_connac_mcu_bss_event {
u8 pad;
} __packed;

+struct mt76_connac_mcu_scan_ssid {
+ __le32 ssid_len;
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+} __packed;
+
+struct mt76_connac_mcu_scan_channel {
+ u8 band; /* 1: 2.4GHz
+ * 2: 5.0GHz
+ * Others: Reserved
+ */
+ u8 channel_num;
+} __packed;
+
+struct mt76_connac_mcu_scan_match {
+ __le32 rssi_th;
+ u8 ssid[IEEE80211_MAX_SSID_LEN];
+ u8 ssid_len;
+ u8 rsv[3];
+} __packed;
+
+struct mt76_connac_hw_scan_req {
+ u8 seq_num;
+ u8 bss_idx;
+ u8 scan_type; /* 0: PASSIVE SCAN
+ * 1: ACTIVE SCAN
+ */
+ u8 ssid_type; /* BIT(0) wildcard SSID
+ * BIT(1) P2P wildcard SSID
+ * BIT(2) specified SSID + wildcard SSID
+ * BIT(2) + ssid_type_ext BIT(0) specified SSID only
+ */
+ u8 ssids_num;
+ u8 probe_req_num; /* Number of probe request for each SSID */
+ u8 scan_func; /* BIT(0) Enable random MAC scan
+ * BIT(1) Disable DBDC scan type 1~3.
+ * BIT(2) Use DBDC scan type 3 (dedicated one RF to scan).
+ */
+ u8 version; /* 0: Not support fields after ies.
+ * 1: Support fields after ies.
+ */
+ struct mt76_connac_mcu_scan_ssid ssids[4];
+ __le16 probe_delay_time;
+ __le16 channel_dwell_time; /* channel Dwell interval */
+ __le16 timeout_value;
+ u8 channel_type; /* 0: Full channels
+ * 1: Only 2.4GHz channels
+ * 2: Only 5GHz channels
+ * 3: P2P social channel only (channel #1, #6 and #11)
+ * 4: Specified channels
+ * Others: Reserved
+ */
+ u8 channels_num; /* valid when channel_type is 4 */
+ /* valid when channels_num is set */
+ struct mt76_connac_mcu_scan_channel channels[32];
+ __le16 ies_len;
+ u8 ies[MT76_CONNAC_SCAN_IE_LEN];
+ /* following fields are valid if version > 0 */
+ u8 ext_channels_num;
+ u8 ext_ssids_num;
+ __le16 channel_min_dwell_time;
+ struct mt76_connac_mcu_scan_channel ext_channels[32];
+ struct mt76_connac_mcu_scan_ssid ext_ssids[6];
+ u8 bssid[ETH_ALEN];
+ u8 random_mac[ETH_ALEN]; /* valid when BIT(1) in scan_func is set. */
+ u8 pad[63];
+ u8 ssid_type_ext;
+} __packed;
+
+#define MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM 64
+
+struct mt76_connac_hw_scan_done {
+ u8 seq_num;
+ u8 sparse_channel_num;
+ struct mt76_connac_mcu_scan_channel sparse_channel;
+ u8 complete_channel_num;
+ u8 current_state;
+ u8 version;
+ u8 pad;
+ __le32 beacon_scan_num;
+ u8 pno_enabled;
+ u8 pad2[3];
+ u8 sparse_channel_valid_num;
+ u8 pad3[3];
+ u8 channel_num[MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+ /* idle format for channel_idle_time
+ * 0: first bytes: idle time(ms) 2nd byte: dwell time(ms)
+ * 1: first bytes: idle time(8ms) 2nd byte: dwell time(8ms)
+ * 2: dwell time (16us)
+ */
+ __le16 channel_idle_time[MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+ /* beacon and probe response count */
+ u8 beacon_probe_num[MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+ u8 mdrdy_count[MT76_CONNAC_SCAN_DONE_EVENT_MAX_CHANNEL_NUM];
+ __le32 beacon_2g_num;
+ __le32 beacon_5g_num;
+} __packed;
+
+struct mt76_connac_sched_scan_req {
+ u8 version;
+ u8 seq_num;
+ u8 stop_on_match;
+ u8 ssids_num;
+ u8 match_num;
+ u8 pad;
+ __le16 ie_len;
+ struct mt76_connac_mcu_scan_ssid ssids[MT76_CONNAC_MAX_SCHED_SCAN_SSID];
+ struct mt76_connac_mcu_scan_match match[MT76_CONNAC_MAX_SCAN_MATCH];
+ u8 channel_type;
+ u8 channels_num;
+ u8 intervals_num;
+ u8 scan_func; /* BIT(0) eable random mac address */
+ struct mt76_connac_mcu_scan_channel channels[64];
+ __le16 intervals[MT76_CONNAC_MAX_SCHED_SCAN_INTERVAL];
+ u8 random_mac[ETH_ALEN]; /* valid when BIT(0) in scan_func is set */
+ u8 pad2[58];
+} __packed;
+
+struct mt76_connac_sched_scan_done {
+ u8 seq_num;
+ u8 status; /* 0: ssid found */
+ __le16 pad;
+} __packed;
+
struct bss_info_uni_he {
__le16 tag;
__le16 len;
@@ -726,4 +854,15 @@ int mt76_connac_mcu_start_patch(struct mt76_dev *dev);
int mt76_connac_mcu_patch_sem_ctrl(struct mt76_dev *dev, bool get);
int mt76_connac_mcu_start_firmware(struct mt76_dev *dev, u32 addr, u32 option);

+int mt76_connac_mcu_hw_scan(struct mt76_phy *phy, struct ieee80211_vif *vif,
+ struct ieee80211_scan_request *scan_req);
+int mt76_connac_mcu_cancel_hw_scan(struct mt76_phy *phy,
+ struct ieee80211_vif *vif);
+int mt76_connac_mcu_sched_scan_req(struct mt76_phy *phy,
+ struct ieee80211_vif *vif,
+ struct cfg80211_sched_scan_request *sreq);
+int mt76_connac_mcu_sched_scan_enable(struct mt76_phy *phy,
+ struct ieee80211_vif *vif,
+ bool enable);
+
#endif /* __MT76_CONNAC_MCU_H */
--
2.29.2