This is a preliminary patch for implicit beamforming support.
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
changes since v2: get condition directly from statement
---
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 67 ++++++-------------
1 file changed, 22 insertions(+), 45 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 0baef70fc522..c79f3937f6ae 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -66,9 +66,6 @@ struct mt7915_fw_region {
#define MCU_PATCH_ADDRESS 0x200000
-#define MT_STA_BFER BIT(0)
-#define MT_STA_BFEE BIT(1)
-
#define FW_FEATURE_SET_ENCRYPT BIT(0)
#define FW_FEATURE_SET_KEY_IDX GENMASK(2, 1)
#define FW_FEATURE_OVERRIDE_ADDR BIT(5)
@@ -1944,20 +1941,26 @@ mt7915_mcu_sta_bfee_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
}
/* reply with identity matrix to avoid 2x2 BF negative gain */
- if (nr == 1 && tx_ant == 2)
- bfee->fb_identity_matrix = true;
+ bfee->fb_identity_matrix = !!(nr == 1 && tx_ant == 2);
}
-static u8
-mt7915_mcu_sta_txbf_type(struct mt7915_phy *phy, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta)
+static int
+mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct ieee80211_sta *sta, bool enable)
{
- u8 type = 0;
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ struct mt7915_phy *phy;
+ struct sk_buff *skb;
+ int r, len;
+ bool ebfee = 0, ebf = 0;
if (vif->type != NL80211_IFTYPE_STATION &&
vif->type != NL80211_IFTYPE_AP)
return 0;
+ phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
+
if (sta->he_cap.has_he) {
struct ieee80211_he_cap_elem *pe;
const struct ieee80211_he_cap_elem *ve;
@@ -1967,15 +1970,12 @@ mt7915_mcu_sta_txbf_type(struct mt7915_phy *phy, struct ieee80211_vif *vif,
vc = mt7915_get_he_phy_cap(phy, vif);
ve = &vc->he_cap_elem;
- if ((HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]) ||
- HE_PHY(CAP4_MU_BEAMFORMER, pe->phy_cap_info[4])) &&
- HE_PHY(CAP4_SU_BEAMFORMEE, ve->phy_cap_info[4]))
- type |= MT_STA_BFEE;
-
- if ((HE_PHY(CAP3_SU_BEAMFORMER, ve->phy_cap_info[3]) ||
- HE_PHY(CAP4_MU_BEAMFORMER, ve->phy_cap_info[4])) &&
- HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]))
- type |= MT_STA_BFER;
+ ebfee = !!((HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]) ||
+ HE_PHY(CAP4_MU_BEAMFORMER, pe->phy_cap_info[4])) &&
+ HE_PHY(CAP4_SU_BEAMFORMEE, ve->phy_cap_info[4]));
+ ebf = !!((HE_PHY(CAP3_SU_BEAMFORMER, ve->phy_cap_info[3]) ||
+ HE_PHY(CAP4_MU_BEAMFORMER, ve->phy_cap_info[4])) &&
+ HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]));
} else if (sta->vht_cap.vht_supported) {
struct ieee80211_sta_vht_cap *pc;
struct ieee80211_sta_vht_cap *vc;
@@ -1988,37 +1988,14 @@ mt7915_mcu_sta_txbf_type(struct mt7915_phy *phy, struct ieee80211_vif *vif,
ce = IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE |
IEEE80211_VHT_CAP_MU_BEAMFORMEE_CAPABLE;
- if ((pc->cap & cr) && (vc->cap & ce))
- type |= MT_STA_BFEE;
-
- if ((vc->cap & cr) && (pc->cap & ce))
- type |= MT_STA_BFER;
- } else if (sta->ht_cap.ht_supported) {
- /* TODO: iBF */
+ ebfee = !!((pc->cap & cr) && (vc->cap & ce));
+ ebf = !!((vc->cap & cr) && (pc->cap & ce));
}
- return type;
-}
-
-static int
-mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
- struct ieee80211_sta *sta, bool enable)
-{
- struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
- struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
- struct mt7915_phy *phy;
- struct sk_buff *skb;
- int r, len;
- u8 type;
-
- phy = mvif->band_idx ? mt7915_ext_phy(dev) : &dev->phy;
-
- type = mt7915_mcu_sta_txbf_type(phy, vif, sta);
-
/* must keep each tag independent */
/* starec bf */
- if (type & MT_STA_BFER) {
+ if (ebf) {
len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bf);
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
@@ -2034,7 +2011,7 @@ mt7915_mcu_add_txbf(struct mt7915_dev *dev, struct ieee80211_vif *vif,
}
/* starec bfee */
- if (type & MT_STA_BFEE) {
+ if (ebfee) {
len = sizeof(struct sta_req_hdr) + sizeof(struct sta_rec_bfee);
skb = mt7915_mcu_alloc_sta_req(dev, mvif, msta, len);
--
2.18.0
