This is a note to let you know that I've just added the patch titled
wifi: mt76: mt7996: fix HE and EHT beamforming capabilities
to the 6.6-stable tree which can be found at:
http://www.kernel.org/git/?p=linux/kernel/git/stable/stable-queue.git;a=summary
The filename of the patch is:
wifi-mt76-mt7996-fix-he-and-eht-beamforming-capabili.patch
and it can be found in the queue-6.6 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit 1e2b611d8de294d7626c3a878aa39d7d1b256e81
Author: Howard Hsu <howard-yh.hsu@xxxxxxxxxxxx>
Date: Fri Aug 16 17:46:29 2024 +0800
wifi: mt76: mt7996: fix HE and EHT beamforming capabilities
[ Upstream commit e1f4847fdbdf5d44ae60e035c131920e5ab88598 ]
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@xxxxxxxxxxxx>
Signed-off-by: Shayne Chen <shayne.chen@xxxxxxxxxxxx>
Link: https://patch.msgid.link/20240816094635.2391-5-shayne.chen@xxxxxxxxxxxx
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
index 2016ed9197fe3..aee531cab46f6 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c
@@ -561,8 +561,6 @@ 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) |
@@ -570,6 +568,11 @@ 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;
@@ -729,7 +732,6 @@ 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;
@@ -743,30 +745,36 @@ 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)),
@@ -780,14 +788,6 @@ 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 { \
@@ -798,8 +798,29 @@ 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
