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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 <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
Lorenzo Bianconi 2021-01-26 12:13:53 +01:00 committed by Felix Fietkau
parent d0e274af2f
commit 399090ef96
7 changed files with 359 additions and 356 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

9
drivers/net/wireless/mediatek/mt76/mt7615/init.c
View File

@ -345,11 +345,12 @@ mt7615_init_wiphy(struct ieee80211_hw *hw)
} }
wiphy->reg_notifier = mt7615_regd_notifier; 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_sched_scan_ie_len = IEEE80211_MAX_DATA_LEN;
wiphy->max_scan_ie_len = MT7615_SCAN_IE_LEN; wiphy->max_scan_ie_len = MT76_CONNAC_SCAN_IE_LEN;
wiphy->max_sched_scan_ssids = MT7615_MAX_SCHED_SCAN_SSID; wiphy->max_sched_scan_ssids = MT76_CONNAC_MAX_SCHED_SCAN_SSID;
wiphy->max_match_sets = MT7615_MAX_SCAN_MATCH; wiphy->max_match_sets = MT76_CONNAC_MAX_SCAN_MATCH;
wiphy->max_sched_scan_reqs = 1; wiphy->max_sched_scan_reqs = 1;
wiphy->max_scan_ssids = 4; wiphy->max_scan_ssids = 4;

20
drivers/net/wireless/mediatek/mt76/mt7615/main.c
View File

@ -997,8 +997,12 @@ mt7615_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct mt76_phy *mphy = hw->priv; struct mt76_phy *mphy = hw->priv;
int err; int err;
/* fall-back to sw-scan */
if (!mt7615_firmware_offload(dev))
return 1;
mt7615_mutex_acquire(dev); 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); mt7615_mutex_release(dev);
return err; return err;
@ -1011,7 +1015,7 @@ mt7615_cancel_hw_scan(struct ieee80211_hw *hw, struct ieee80211_vif *vif)
struct mt76_phy *mphy = hw->priv; struct mt76_phy *mphy = hw->priv;
mt7615_mutex_acquire(dev); mt7615_mutex_acquire(dev);
mt7615_mcu_cancel_hw_scan(mphy->priv, vif); mt76_connac_mcu_cancel_hw_scan(mphy, vif);
mt7615_mutex_release(dev); 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; struct mt76_phy *mphy = hw->priv;
int err; int err;
if (!mt7615_firmware_offload(dev))
return -EOPNOTSUPP;
mt7615_mutex_acquire(dev); 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) if (err < 0)
goto out; goto out;
err = mt7615_mcu_sched_scan_enable(mphy->priv, vif, true); err = mt76_connac_mcu_sched_scan_enable(mphy, vif, true);
out: out:
mt7615_mutex_release(dev); 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; struct mt76_phy *mphy = hw->priv;
int err; int err;
if (!mt7615_firmware_offload(dev))
return -EOPNOTSUPP;
mt7615_mutex_acquire(dev); 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); mt7615_mutex_release(dev);
return err; return err;

213
drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
View File

@ -2231,214 +2231,6 @@ int mt7615_mcu_set_sku_en(struct mt7615_phy *phy, bool enable)
sizeof(req), true); 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) static int mt7615_find_freq_idx(const u16 *freqs, int n_freqs, u16 cur)
{ {
int i; int i;
@ -2819,9 +2611,10 @@ mt7615_mcu_set_wow_ctrl(struct mt7615_phy *phy, struct ieee80211_vif *vif,
if (wowlan->disconnect) if (wowlan->disconnect)
req.wow_ctrl_tlv.trigger |= BIT(2); req.wow_ctrl_tlv.trigger |= BIT(2);
if (wowlan->nd_config) { 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); 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)) if (mt76_is_mmio(&dev->mt76))

122
drivers/net/wireless/mediatek/mt76/mt7615/mcu.h
View File

@ -249,128 +249,6 @@ struct mt7615_mcu_uni_event {
__le32 status; /* 0: success, others: fail */ __le32 status; /* 0: success, others: fail */
} __packed; } __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 { struct mt7615_mcu_reg_event {
__le32 reg; __le32 reg;
__le32 val; __le32 val;

15
drivers/net/wireless/mediatek/mt76/mt7615/mt7615.h
View File

@ -65,11 +65,6 @@
#define MT7615_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */ #define MT7615_CFEND_RATE_DEFAULT 0x49 /* OFDM 24M */
#define MT7615_CFEND_RATE_11B 0x03 /* 11B LP, 11M */ #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_vif;
struct mt7615_sta; struct mt7615_sta;
struct mt7615_dfs_pulse; 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_exit(struct mt7615_dev *dev);
void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb, void mt7615_mcu_fill_msg(struct mt7615_dev *dev, struct sk_buff *skb,
int cmd, int *wait_seq); 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, int mt7615_tx_prepare_skb(struct mt76_dev *mdev, void *txwi_ptr,
enum mt76_txq_id qid, struct mt76_wcid *wcid, enum mt76_txq_id qid, struct mt76_wcid *wcid,

197
drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.c
View File

@ -982,5 +982,202 @@ int mt76_connac_mcu_uni_add_bss(struct mt76_phy *phy,
} }
EXPORT_SYMBOL_GPL(mt76_connac_mcu_uni_add_bss); 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 <lorenzo@kernel.org>"); MODULE_AUTHOR("Lorenzo Bianconi <lorenzo@kernel.org>");
MODULE_LICENSE("Dual BSD/GPL"); MODULE_LICENSE("Dual BSD/GPL");

139
drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
View File

@ -6,6 +6,11 @@
#include "mt76.h" #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 { enum {
CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20, CMD_CBW_20MHZ = IEEE80211_STA_RX_BW_20,
CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40, CMD_CBW_40MHZ = IEEE80211_STA_RX_BW_40,
@ -652,6 +657,129 @@ struct mt76_connac_mcu_bss_event {
u8 pad; u8 pad;
} __packed; } __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 { struct bss_info_uni_he {
__le16 tag; __le16 tag;
__le16 len; __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_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_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 */ #endif /* __MT76_CONNAC_MCU_H */