This is a note to let you know that I've just added the patch titled
wifi: mt76: mt7915: fix capabilities in non-AP mode
to the 6.4-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-mt7915-fix-capabilities-in-non-ap-mode.patch
and it can be found in the queue-6.4 subdirectory.
If you, or anyone else, feels it should not be added to the stable tree,
please let <stable@xxxxxxxxxxxxxxx> know about it.
commit ea7036dd91ef7df41b039bb77592163e3eb751a3
Author: Felix Fietkau <nbd@xxxxxxxx>
Date: Thu Jun 29 22:39:30 2023 +0200
wifi: mt76: mt7915: fix capabilities in non-AP mode
[ Upstream commit 02a894046d5ab7d0010f39ea54fde7e167919d04 ]
Capabilities in vif->bss_conf are only initialized in AP mode.
For other modes, they should be enabled by default, in order to avoid a
mismatch.
Fixes: 885f7af7e544 ("wifi: mt76: mt7915: remove mt7915_mcu_beacon_check_caps()")
Signed-off-by: Felix Fietkau <nbd@xxxxxxxx>
Signed-off-by: Sasha Levin <sashal@xxxxxxxxxx>
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index 13d429bd44e28..ed345a0b931e0 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -269,6 +269,7 @@ static int mt7915_add_interface(struct ieee80211_hw *hw,
vif->offload_flags |= IEEE80211_OFFLOAD_ENCAP_4ADDR;
mt7915_init_bitrate_mask(vif);
+ memset(&mvif->cap, -1, sizeof(mvif->cap));
mt7915_mcu_add_bss_info(phy, vif, true);
mt7915_mcu_add_sta(dev, vif, NULL, true);
@@ -657,6 +658,24 @@ static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
mutex_unlock(&dev->mt76.mutex);
}
+static void
+mt7915_vif_check_caps(struct mt7915_phy *phy, struct ieee80211_vif *vif)
+{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct mt7915_vif_cap *vc = &mvif->cap;
+
+ vc->ht_ldpc = vif->bss_conf.ht_ldpc;
+ vc->vht_ldpc = vif->bss_conf.vht_ldpc;
+ vc->vht_su_ebfer = vif->bss_conf.vht_su_beamformer;
+ vc->vht_su_ebfee = vif->bss_conf.vht_su_beamformee;
+ vc->vht_mu_ebfer = vif->bss_conf.vht_mu_beamformer;
+ vc->vht_mu_ebfee = vif->bss_conf.vht_mu_beamformee;
+ vc->he_ldpc = vif->bss_conf.he_ldpc;
+ vc->he_su_ebfer = vif->bss_conf.he_su_beamformer;
+ vc->he_su_ebfee = vif->bss_conf.he_su_beamformee;
+ vc->he_mu_ebfer = vif->bss_conf.he_mu_beamformer;
+}
+
static int
mt7915_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
@@ -667,6 +686,8 @@ mt7915_start_ap(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
mutex_lock(&dev->mt76.mutex);
+ mt7915_vif_check_caps(phy, vif);
+
err = mt7915_mcu_add_bss_info(phy, vif, true);
if (err)
goto out;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 8da9c87e98042..a325066bf57e9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -710,6 +710,7 @@ static void
mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
struct ieee80211_vif *vif)
{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct ieee80211_he_cap_elem *elem = &sta->deflink.he_cap.he_cap_elem;
struct ieee80211_he_mcs_nss_supp mcs_map;
struct sta_rec_he *he;
@@ -743,7 +744,7 @@ mt7915_mcu_sta_he_tlv(struct sk_buff *skb, struct ieee80211_sta *sta,
IEEE80211_HE_PHY_CAP0_CHANNEL_WIDTH_SET_RU_MAPPING_IN_5G))
cap |= STA_REC_HE_CAP_BW20_RU242_SUPPORT;
- if (vif->bss_conf.he_ldpc &&
+ if (mvif->cap.he_ldpc &&
(elem->phy_cap_info[1] &
IEEE80211_HE_PHY_CAP1_LDPC_CODING_IN_PAYLOAD))
cap |= STA_REC_HE_CAP_LDPC;
@@ -852,6 +853,7 @@ static void
mt7915_mcu_sta_muru_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
struct ieee80211_sta *sta, struct ieee80211_vif *vif)
{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
struct ieee80211_he_cap_elem *elem = &sta->deflink.he_cap.he_cap_elem;
struct sta_rec_muru *muru;
struct tlv *tlv;
@@ -864,9 +866,9 @@ mt7915_mcu_sta_muru_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
muru = (struct sta_rec_muru *)tlv;
- muru->cfg.mimo_dl_en = vif->bss_conf.he_mu_beamformer ||
- vif->bss_conf.vht_mu_beamformer ||
- vif->bss_conf.vht_mu_beamformee;
+ muru->cfg.mimo_dl_en = mvif->cap.he_mu_ebfer ||
+ mvif->cap.vht_mu_ebfer ||
+ mvif->cap.vht_mu_ebfee;
if (!is_mt7915(&dev->mt76))
muru->cfg.mimo_ul_en = true;
muru->cfg.ofdma_dl_en = true;
@@ -999,8 +1001,8 @@ mt7915_mcu_sta_wtbl_tlv(struct mt7915_dev *dev, struct sk_buff *skb,
mt76_connac_mcu_wtbl_hdr_trans_tlv(skb, vif, wcid, tlv, wtbl_hdr);
if (sta)
mt76_connac_mcu_wtbl_ht_tlv(&dev->mt76, skb, sta, tlv,
- wtbl_hdr, vif->bss_conf.ht_ldpc,
- vif->bss_conf.vht_ldpc);
+ wtbl_hdr, mvif->cap.ht_ldpc,
+ mvif->cap.vht_ldpc);
return 0;
}
@@ -1009,6 +1011,7 @@ static inline bool
mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, bool bfee)
{
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
int tx_ant = hweight8(phy->mt76->chainmask) - 1;
if (vif->type != NL80211_IFTYPE_STATION &&
@@ -1022,10 +1025,10 @@ mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_he_cap_elem *pe = &sta->deflink.he_cap.he_cap_elem;
if (bfee)
- return vif->bss_conf.he_su_beamformee &&
+ return mvif->cap.he_su_ebfee &&
HE_PHY(CAP3_SU_BEAMFORMER, pe->phy_cap_info[3]);
else
- return vif->bss_conf.he_su_beamformer &&
+ return mvif->cap.he_su_ebfer &&
HE_PHY(CAP4_SU_BEAMFORMEE, pe->phy_cap_info[4]);
}
@@ -1033,10 +1036,10 @@ mt7915_is_ebf_supported(struct mt7915_phy *phy, struct ieee80211_vif *vif,
u32 cap = sta->deflink.vht_cap.cap;
if (bfee)
- return vif->bss_conf.vht_su_beamformee &&
+ return mvif->cap.vht_su_ebfee &&
(cap & IEEE80211_VHT_CAP_SU_BEAMFORMER_CAPABLE);
else
- return vif->bss_conf.vht_su_beamformer &&
+ return mvif->cap.vht_su_ebfer &&
(cap & IEEE80211_VHT_CAP_SU_BEAMFORMEE_CAPABLE);
}
@@ -1531,7 +1534,7 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
cap |= STA_CAP_TX_STBC;
if (sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_RX_STBC)
cap |= STA_CAP_RX_STBC;
- if (vif->bss_conf.ht_ldpc &&
+ if (mvif->cap.ht_ldpc &&
(sta->deflink.ht_cap.cap & IEEE80211_HT_CAP_LDPC_CODING))
cap |= STA_CAP_LDPC;
@@ -1557,7 +1560,7 @@ mt7915_mcu_sta_rate_ctrl_tlv(struct sk_buff *skb, struct mt7915_dev *dev,
cap |= STA_CAP_VHT_TX_STBC;
if (sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXSTBC_1)
cap |= STA_CAP_VHT_RX_STBC;
- if (vif->bss_conf.vht_ldpc &&
+ if (mvif->cap.vht_ldpc &&
(sta->deflink.vht_cap.cap & IEEE80211_VHT_CAP_RXLDPC))
cap |= STA_CAP_VHT_LDPC;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 3053f4abf7dbe..0f76733c9c1ac 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -147,9 +147,23 @@ struct mt7915_sta {
} twt;
};
+struct mt7915_vif_cap {
+ bool ht_ldpc:1;
+ bool vht_ldpc:1;
+ bool he_ldpc:1;
+ bool vht_su_ebfer:1;
+ bool vht_su_ebfee:1;
+ bool vht_mu_ebfer:1;
+ bool vht_mu_ebfee:1;
+ bool he_su_ebfer:1;
+ bool he_su_ebfee:1;
+ bool he_mu_ebfer:1;
+};
+
struct mt7915_vif {
struct mt76_vif mt76; /* must be first */
+ struct mt7915_vif_cap cap;
struct mt7915_sta sta;
struct mt7915_phy *phy;
