The Group ID Management frame is an Action frame of category VHT.
It is transmitted by the AP to assign or change the user position
of a STA for one or more group IDs.
Also, sniffer can use a given group id to monitor STA that belongs
to that group.
Signed-off-by: Ryder Lee <[email protected]>
---
.../net/wireless/mediatek/mt76/mt7996/init.c | 1 +
.../net/wireless/mediatek/mt76/mt7996/main.c | 23 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7996/regs.h | 21 +++++++++++------
3 files changed, 38 insertions(+), 7 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
index f1b48cdda58f..3569fef20cd9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
@@ -183,6 +183,7 @@ mt7996_init_wiphy(struct ieee80211_hw *hw)
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_FILS_DISCOVERY);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_ACK_SIGNAL_SUPPORT);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CAN_REPLACE_PTK0);
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_MU_MIMO_AIR_SNIFFER);
if (!mdev->dev->of_node ||
!of_property_read_bool(mdev->dev->of_node,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/main.c b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
index f2d0b2982c6b..cb99932318aa 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/main.c
@@ -537,6 +537,26 @@ mt7996_get_rates_table(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
return mvif->basic_rates_idx;
}
+static void
+mt7996_update_mu_group(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *info)
+{
+ struct mt7996_vif *mvif = (struct mt7996_vif *)vif->drv_priv;
+ struct mt7996_dev *dev = mt7996_hw_dev(hw);
+ u8 band = mvif->mt76.band_idx;
+ u32 *mu;
+
+ mu = (u32 *)info->mu_group.membership;
+ mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD0(band), mu[0]);
+ mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_VLD1(band), mu[1]);
+
+ mu = (u32 *)info->mu_group.position;
+ mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS0(band), mu[0]);
+ mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS1(band), mu[1]);
+ mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS2(band), mu[2]);
+ mt76_wr(dev, MT_WF_PHYRX_BAND_GID_TAB_POS3(band), mu[3]);
+}
+
static void mt7996_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
@@ -609,6 +629,9 @@ static void mt7996_bss_info_changed(struct ieee80211_hw *hw,
changed & BSS_CHANGED_FILS_DISCOVERY)
mt7996_mcu_beacon_inband_discov(dev, vif, changed);
+ if (changed & BSS_CHANGED_MU_GROUPS)
+ mt7996_update_mu_group(hw, vif, info);
+
mutex_unlock(&dev->mt76.mutex);
}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/regs.h b/drivers/net/wireless/mediatek/mt76/mt7996/regs.h
index df871361a7e1..43285328ce47 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/regs.h
@@ -559,22 +559,29 @@ enum base_rev {
#define MT_PCIE1_MAC_INT_ENABLE MT_PCIE1_MAC(0x188)
+/* PHYRX CSD */
+#define MT_WF_PHYRX_CSD_BASE 0x83000000
+#define MT_WF_PHYRX_CSD(_band, _wf, ofs) (MT_WF_PHYRX_CSD_BASE + \
+ ((_band) << 20) + \
+ ((_wf) << 16) + (ofs))
+#define MT_WF_PHYRX_CSD_IRPI(_band, _wf) MT_WF_PHYRX_CSD(_band, _wf, 0x1000)
+
/* PHYRX CTRL */
#define MT_WF_PHYRX_BAND_BASE 0x83080000
#define MT_WF_PHYRX_BAND(_band, ofs) (MT_WF_PHYRX_BAND_BASE + \
((_band) << 20) + (ofs))
+#define MT_WF_PHYRX_BAND_GID_TAB_VLD0(_band) MT_WF_PHYRX_BAND(_band, 0x1054)
+#define MT_WF_PHYRX_BAND_GID_TAB_VLD1(_band) MT_WF_PHYRX_BAND(_band, 0x1058)
+#define MT_WF_PHYRX_BAND_GID_TAB_POS0(_band) MT_WF_PHYRX_BAND(_band, 0x105c)
+#define MT_WF_PHYRX_BAND_GID_TAB_POS1(_band) MT_WF_PHYRX_BAND(_band, 0x1060)
+#define MT_WF_PHYRX_BAND_GID_TAB_POS2(_band) MT_WF_PHYRX_BAND(_band, 0x1064)
+#define MT_WF_PHYRX_BAND_GID_TAB_POS3(_band) MT_WF_PHYRX_BAND(_band, 0x1068)
+
#define MT_WF_PHYRX_BAND_RX_CTRL1(_band) MT_WF_PHYRX_BAND(_band, 0x2004)
#define MT_WF_PHYRX_BAND_RX_CTRL1_IPI_EN GENMASK(2, 0)
#define MT_WF_PHYRX_BAND_RX_CTRL1_STSCNT_EN GENMASK(11, 9)
-/* PHYRX CSD */
-#define MT_WF_PHYRX_CSD_BASE 0x83000000
-#define MT_WF_PHYRX_CSD(_band, _wf, ofs) (MT_WF_PHYRX_CSD_BASE + \
- ((_band) << 20) + \
- ((_wf) << 16) + (ofs))
-#define MT_WF_PHYRX_CSD_IRPI(_band, _wf) MT_WF_PHYRX_CSD(_band, _wf, 0x1000)
-
/* PHYRX CSD BAND */
#define MT_WF_PHYRX_CSD_BAND_RXTD12(_band) MT_WF_PHYRX_BAND(_band, 0x8230)
#define MT_WF_PHYRX_CSD_BAND_RXTD12_IRPI_SW_CLR_ONLY BIT(18)
--
2.18.0
On Tue, 2023-05-02 at 11:10 +0800, Ryder Lee wrote:
> The Group ID Management frame is an Action frame of category VHT.
> It is transmitted by the AP to assign or change the user position
> of a STA for one or more group IDs.
>
> Also, sniffer can use a given group id to monitor STA that belongs
> to that group.
>
> Signed-off-by: Ryder Lee <[email protected]>
> ---
>
This series shall be v1. Forgot to change script.
Ryder