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wifi: mt76: mt7996: Add eMLSR support

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Implement set_eml_op_mode mac80211 callback in order to introduce eMLSR
support.

Tested-by: Christian Marangi <ansuelsmth@gmail.com>
Signed-off-by: MeiChia Chiu <MeiChia.Chiu@mediatek.com>
Co-developed-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Link: https://patch.msgid.link/20260203-mt7996-emlsr-v1-1-38ffb3d5110c@kernel.org
Signed-off-by: Felix Fietkau <nbd@nbd.name>
This commit is contained in:
MeiChia Chiu 2026-02-03 09:32:02 +01:00 committed by Felix Fietkau
parent c8f62f73bb
commit c9ce833d78
4 changed files with 84 additions and 0 deletions
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9
drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h
View File

@ -628,6 +628,13 @@ struct sta_rec_tx_proc {
__le32 flag;
} __packed;
struct sta_rec_eml_op {
__le16 tag;
__le16 len;
u8 link_bitmap;
u8 link_ant_num[3];
} __packed;
/* wtbl_rec */
struct wtbl_req_hdr {
@ -796,6 +803,7 @@ struct wtbl_raw {
sizeof(struct sta_rec_he_6g_capa) + \
sizeof(struct sta_rec_pn_info) + \
sizeof(struct sta_rec_tx_proc) + \
sizeof(struct sta_rec_eml_op) + \
sizeof(struct tlv) + \
MT76_CONNAC_WTBL_UPDATE_MAX_SIZE)
@ -832,6 +840,7 @@ enum {
STA_REC_PN_INFO = 0x26,
STA_REC_KEY_V3 = 0x27,
STA_REC_HDRT = 0x28,
STA_REC_EML_OP = 0x29,
STA_REC_HDR_TRANS = 0x2B,
STA_REC_MAX_NUM
};

16
drivers/net/wireless/mediatek/mt76/mt7996/main.c
View File

@ -2366,6 +2366,21 @@ mt7996_reconfig_complete(struct ieee80211_hw *hw,
MT7996_WATCHDOG_TIME);
}
static int
mt7996_set_eml_op_mode(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_eml_params *eml_params)
{
struct mt7996_dev *dev = mt7996_hw_dev(hw);
int ret;
mutex_lock(&dev->mt76.mutex);
ret = mt7996_mcu_set_emlsr_mode(dev, vif, sta, eml_params);
mutex_unlock(&dev->mt76.mutex);
return ret;
}
const struct ieee80211_ops mt7996_ops = {
.add_chanctx = mt76_add_chanctx,
.remove_chanctx = mt76_remove_chanctx,
@ -2429,4 +2444,5 @@ const struct ieee80211_ops mt7996_ops = {
.change_vif_links = mt7996_change_vif_links,
.change_sta_links = mt7996_mac_sta_change_links,
.reconfig_complete = mt7996_reconfig_complete,
.set_eml_op_mode = mt7996_set_eml_op_mode,
};

55
drivers/net/wireless/mediatek/mt76/mt7996/mcu.c
View File

@ -1304,6 +1304,61 @@ int mt7996_mcu_set_protection(struct mt7996_phy *phy, struct mt7996_vif_link *li
MCU_WM_UNI_CMD(BSS_INFO_UPDATE), true);
}
int mt7996_mcu_set_emlsr_mode(struct mt7996_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_eml_params *eml_params)
{
struct mt7996_sta *msta = (struct mt7996_sta *)sta->drv_priv;
struct mt7996_sta_link *msta_link;
struct sta_rec_eml_op *eml_op;
struct mt7996_vif_link *link;
struct sk_buff *skb;
struct tlv *tlv;
msta_link = mt76_dereference(msta->link[eml_params->link_id],
&dev->mt76);
if (!msta_link)
return -EINVAL;
link = mt7996_vif_link(dev, vif, eml_params->link_id);
if (!link)
return -EINVAL;
skb = __mt76_connac_mcu_alloc_sta_req(&dev->mt76, &link->mt76,
&msta_link->wcid,
MT7996_STA_UPDATE_MAX_SIZE);
if (IS_ERR(skb))
return PTR_ERR(skb);
tlv = mt76_connac_mcu_add_tlv(skb, STA_REC_EML_OP, sizeof(*eml_op));
eml_op = (struct sta_rec_eml_op *)tlv;
eml_op->link_bitmap = 0;
if (eml_params->control & IEEE80211_EML_CTRL_EMLSR_MODE) {
unsigned long link_bitmap = eml_params->link_bitmap;
unsigned int link_id;
for_each_set_bit(link_id, &link_bitmap,
IEEE80211_MLD_MAX_NUM_LINKS) {
struct mt76_phy *mphy;
link = mt7996_vif_link(dev, vif, link_id);
if (!link)
continue;
mphy = mt76_vif_link_phy(&link->mt76);
if (!mphy)
continue;
eml_op->link_bitmap |= BIT(mphy->band_idx);
}
}
return mt76_mcu_skb_send_msg(&dev->mt76, skb,
MCU_WMWA_UNI_CMD(STA_REC_UPDATE), true);
}
int mt7996_mcu_set_timing(struct mt7996_phy *phy, struct ieee80211_vif *vif,
struct ieee80211_bss_conf *link_conf)
{

4
drivers/net/wireless/mediatek/mt76/mt7996/mt7996.h
View File

@ -901,6 +901,10 @@ int mt7996_mcu_wtbl_update_hdr_trans(struct mt7996_dev *dev,
struct mt7996_vif_link *link,
struct mt7996_sta_link *msta_link);
int mt7996_mcu_cp_support(struct mt7996_dev *dev, u8 mode);
int mt7996_mcu_set_emlsr_mode(struct mt7996_dev *dev,
struct ieee80211_vif *vif,
struct ieee80211_sta *sta,
struct ieee80211_eml_params *eml_params);
#ifdef CONFIG_MAC80211_DEBUGFS
void mt7996_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct ieee80211_sta *sta, struct dentry *dir);