wifi: mt76: mt7996: fix HE and EHT beamforming capabilities
authorHoward Hsu <howard-yh.hsu@mediatek.com>
Fri, 16 Aug 2024 09:46:29 +0000 (17:46 +0800)
committerFelix Fietkau <nbd@nbd.name>
Thu, 5 Sep 2024 11:01:55 +0000 (13:01 +0200)
Fix HE and EHT beamforming capabilities for different bands and
interface types.

Fixes: 98686cd21624 ("wifi: mt76: mt7996: add driver for MediaTek Wi-Fi 7 (802.11be) devices")
Fixes: 348533eb968d ("wifi: mt76: mt7996: add EHT capability init")
Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Link: https://patch.msgid.link/20240816094635.2391-5-shayne.chen@mediatek.com
Signed-off-by: Felix Fietkau <nbd@nbd.name>
drivers/net/wireless/mediatek/mt76/mt7996/init.c

index 4d6157e49b16ff748f33e0f9f6df3bad78ebef84..7e7e42b54c2e74aee5c2526bec6dc2efdf799090 100644 (file)
@@ -1012,8 +1012,6 @@ mt7996_set_stream_he_txbf_caps(struct mt7996_phy *phy,
                return;
 
        elem->phy_cap_info[3] |= IEEE80211_HE_PHY_CAP3_SU_BEAMFORMER;
-       if (vif == NL80211_IFTYPE_AP)
-               elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
 
        c = FIELD_PREP(IEEE80211_HE_PHY_CAP5_BEAMFORMEE_NUM_SND_DIM_UNDER_80MHZ_MASK,
                       sts - 1) |
@@ -1021,6 +1019,11 @@ mt7996_set_stream_he_txbf_caps(struct mt7996_phy *phy,
                       sts - 1);
        elem->phy_cap_info[5] |= c;
 
+       if (vif != NL80211_IFTYPE_AP)
+               return;
+
+       elem->phy_cap_info[4] |= IEEE80211_HE_PHY_CAP4_MU_BEAMFORMER;
+
        c = IEEE80211_HE_PHY_CAP6_TRIG_SU_BEAMFORMING_FB |
            IEEE80211_HE_PHY_CAP6_TRIG_MU_BEAMFORMING_PARTIAL_BW_FB;
        elem->phy_cap_info[6] |= c;
@@ -1180,7 +1183,6 @@ mt7996_init_eht_caps(struct mt7996_phy *phy, enum nl80211_band band,
                IEEE80211_EHT_MAC_CAP0_OM_CONTROL;
 
        eht_cap_elem->phy_cap_info[0] =
-               IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ |
                IEEE80211_EHT_PHY_CAP0_NDP_4_EHT_LFT_32_GI |
                IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMER |
                IEEE80211_EHT_PHY_CAP0_SU_BEAMFORMEE;
@@ -1194,30 +1196,36 @@ mt7996_init_eht_caps(struct mt7996_phy *phy, enum nl80211_band band,
                u8_encode_bits(u8_get_bits(val, GENMASK(2, 1)),
                               IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_80MHZ_MASK) |
                u8_encode_bits(val,
-                              IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK) |
-               u8_encode_bits(val,
-                              IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK);
+                              IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_160MHZ_MASK);
 
        eht_cap_elem->phy_cap_info[2] =
                u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_80MHZ_MASK) |
-               u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK) |
-               u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK);
+               u8_encode_bits(sts - 1, IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_160MHZ_MASK);
+
+       if (band == NL80211_BAND_6GHZ) {
+               eht_cap_elem->phy_cap_info[0] |=
+                       IEEE80211_EHT_PHY_CAP0_320MHZ_IN_6GHZ;
+
+               eht_cap_elem->phy_cap_info[1] |=
+                       u8_encode_bits(val,
+                                      IEEE80211_EHT_PHY_CAP1_BEAMFORMEE_SS_320MHZ_MASK);
+
+               eht_cap_elem->phy_cap_info[2] |=
+                       u8_encode_bits(sts - 1,
+                                      IEEE80211_EHT_PHY_CAP2_SOUNDING_DIM_320MHZ_MASK);
+       }
 
        eht_cap_elem->phy_cap_info[3] =
                IEEE80211_EHT_PHY_CAP3_NG_16_SU_FEEDBACK |
                IEEE80211_EHT_PHY_CAP3_NG_16_MU_FEEDBACK |
                IEEE80211_EHT_PHY_CAP3_CODEBOOK_4_2_SU_FDBK |
-               IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK |
-               IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK |
-               IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK |
-               IEEE80211_EHT_PHY_CAP3_TRIG_CQI_FDBK;
+               IEEE80211_EHT_PHY_CAP3_CODEBOOK_7_5_MU_FDBK;
 
        eht_cap_elem->phy_cap_info[4] =
                u8_encode_bits(min_t(int, sts - 1, 2),
                               IEEE80211_EHT_PHY_CAP4_MAX_NC_MASK);
 
        eht_cap_elem->phy_cap_info[5] =
-               IEEE80211_EHT_PHY_CAP5_NON_TRIG_CQI_FEEDBACK |
                u8_encode_bits(IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_16US,
                               IEEE80211_EHT_PHY_CAP5_COMMON_NOMINAL_PKT_PAD_MASK) |
                u8_encode_bits(u8_get_bits(0x11, GENMASK(1, 0)),
@@ -1231,14 +1239,6 @@ mt7996_init_eht_caps(struct mt7996_phy *phy, enum nl80211_band band,
                               IEEE80211_EHT_PHY_CAP6_MAX_NUM_SUPP_EHT_LTF_MASK) |
                u8_encode_bits(val, IEEE80211_EHT_PHY_CAP6_MCS15_SUPP_MASK);
 
-       eht_cap_elem->phy_cap_info[7] =
-               IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
-               IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
-               IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ |
-               IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
-               IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ |
-               IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ;
-
        val = u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_RX) |
              u8_encode_bits(nss, IEEE80211_EHT_MCS_NSS_TX);
 #define SET_EHT_MAX_NSS(_bw, _val) do {                                \
@@ -1249,8 +1249,29 @@ mt7996_init_eht_caps(struct mt7996_phy *phy, enum nl80211_band band,
 
        SET_EHT_MAX_NSS(80, val);
        SET_EHT_MAX_NSS(160, val);
-       SET_EHT_MAX_NSS(320, val);
+       if (band == NL80211_BAND_6GHZ)
+               SET_EHT_MAX_NSS(320, val);
 #undef SET_EHT_MAX_NSS
+
+       if (iftype != NL80211_IFTYPE_AP)
+               return;
+
+       eht_cap_elem->phy_cap_info[3] |=
+               IEEE80211_EHT_PHY_CAP3_TRIG_SU_BF_FDBK |
+               IEEE80211_EHT_PHY_CAP3_TRIG_MU_BF_PART_BW_FDBK;
+
+       eht_cap_elem->phy_cap_info[7] =
+               IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_80MHZ |
+               IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_160MHZ |
+               IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_80MHZ |
+               IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_160MHZ;
+
+       if (band != NL80211_BAND_6GHZ)
+               return;
+
+       eht_cap_elem->phy_cap_info[7] |=
+               IEEE80211_EHT_PHY_CAP7_NON_OFDMA_UL_MU_MIMO_320MHZ |
+               IEEE80211_EHT_PHY_CAP7_MU_BEAMFORMER_320MHZ;
 }
 
 static void