mt76: mt7615: add ibss support

Enable IFTYPE_ADHOC support on 7615 devices. The feature has been tested
using a mt76x2 device as wireless peer.

Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index 537b1b5..888ca8b 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -177,6 +177,9 @@ static struct ieee80211_rate mt7615_rates[] = {
 
 static const struct ieee80211_iface_limit if_limits[] = {
        {
+               .max = 1,
+               .types = BIT(NL80211_IFTYPE_ADHOC)
+       }, {
                .max = MT7615_MAX_INTERFACES,
                .types = BIT(NL80211_IFTYPE_AP) |
 #ifdef CONFIG_MAC80211_MESH
@@ -289,6 +292,8 @@ int mt7615_register_device(struct mt7615_dev *dev)
        wiphy->reg_notifier = mt7615_regd_notifier;
        wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
 
+       wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
+
        ieee80211_hw_set(hw, TX_STATUS_NO_AMPDU_LEN);
 
        dev->mt76.sband_2g.sband.ht_cap.cap |= IEEE80211_HT_CAP_LDPC_CODING;
@@ -303,6 +308,7 @@ int mt7615_register_device(struct mt7615_dev *dev)
        dev->dfs_state = -1;
 
        wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+                                BIT(NL80211_IFTYPE_ADHOC) |
 #ifdef CONFIG_MAC80211_MESH
                                 BIT(NL80211_IFTYPE_MESH_POINT) |
 #endif

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 4f7cdb4..982e578 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -41,6 +41,7 @@ static int get_omac_idx(enum nl80211_iftype type, u32 mask)
        switch (type) {
        case NL80211_IFTYPE_AP:
        case NL80211_IFTYPE_MESH_POINT:
+       case NL80211_IFTYPE_ADHOC:
                /* ap use hw bssid 0 and ext bssid */
                if (~mask & BIT(HW_BSSID_0))
                        return HW_BSSID_0;

diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
index 164619f..8371387 100644 (file)
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mcu.c
@@ -848,6 +848,11 @@ int mt7615_mcu_set_bss_info(struct mt7615_dev *dev,
                conn_type = CONNECTION_INFRA_STA;
                break;
        }
+       case NL80211_IFTYPE_ADHOC:
+               conn_type = CONNECTION_IBSS_ADHOC;
+               tx_wlan_idx = mvif->sta.wcid.idx;
+               net_type = NETWORK_IBSS;
+               break;
        default:
                WARN_ON(1);
                break;
@@ -1073,6 +1078,9 @@ int mt7615_mcu_set_sta_rec(struct mt7615_dev *dev, struct ieee80211_vif *vif,
        case NL80211_IFTYPE_STATION:
                req.basic.conn_type = cpu_to_le32(CONNECTION_INFRA_AP);
                break;
+       case NL80211_IFTYPE_ADHOC:
+               req.basic.conn_type = cpu_to_le32(CONNECTION_IBSS_ADHOC);
+               break;
        default:
                WARN_ON(1);
                break;