diff options
author | Chank Chen <chank.chen@mediatek.com> | 2023-08-31 14:22:13 +0800 |
---|---|---|
committer | Felix Fietkau <nbd@nbd.name> | 2023-09-30 20:03:04 +0200 |
commit | e35f43aa34d36e6cb1de00705c08026b023ef5ed (patch) | |
tree | dc9fd77db69bfd3c58945d32861770e1d4beee17 /drivers | |
parent | 03f0e11da7fb26db4f27e6b83a223512db9f7ca5 (diff) |
wifi: mt76: connac: add MBSSID support for mt7996
Add bss_info_uni_mbssid tag and implement 802.11v MBSSID support for
mt7996 chipsets.
Signed-off-by: Chank Chen <chank.chen@mediatek.com>
Signed-off-by: Shayne Chen <shayne.chen@mediatek.com>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Diffstat (limited to 'drivers')
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h | 10 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7996/init.c | 2 | ||||
-rw-r--r-- | drivers/net/wireless/mediatek/mt76/mt7996/mcu.c | 79 |
3 files changed, 90 insertions, 1 deletions
diff --git a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h index 390be6fd8862..9bc97a35fc1d 100644 --- a/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h +++ b/drivers/net/wireless/mediatek/mt76/mt76_connac_mcu.h @@ -1295,6 +1295,7 @@ enum { UNI_BSS_INFO_RLM = 2, UNI_BSS_INFO_BSS_COLOR = 4, UNI_BSS_INFO_HE_BASIC = 5, + UNI_BSS_INFO_11V_MBSSID = 6, UNI_BSS_INFO_BCN_CONTENT = 7, UNI_BSS_INFO_BCN_CSA = 8, UNI_BSS_INFO_BCN_BCC = 9, @@ -1566,6 +1567,15 @@ struct bss_info_uni_he { u8 rsv[2]; } __packed; +struct bss_info_uni_mbssid { + __le16 tag; + __le16 len; + u8 max_indicator; + u8 mbss_idx; + u8 tx_bss_omac_idx; + u8 rsv; +} __packed; + struct mt76_connac_gtk_rekey_tlv { __le16 tag; __le16 len; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/init.c b/drivers/net/wireless/mediatek/mt76/mt7996/init.c index cc707a6c98cf..e4bb22b84159 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/init.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/init.c @@ -181,6 +181,7 @@ mt7996_init_wiphy(struct ieee80211_hw *hw) wiphy->n_iface_combinations = ARRAY_SIZE(if_comb); wiphy->reg_notifier = mt7996_regd_notifier; wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH; + wiphy->mbssid_max_interfaces = 16; wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_COLOR); wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS); @@ -204,6 +205,7 @@ mt7996_init_wiphy(struct ieee80211_hw *hw) ieee80211_hw_set(hw, SUPPORTS_TX_ENCAP_OFFLOAD); ieee80211_hw_set(hw, SUPPORTS_RX_DECAP_OFFLOAD); ieee80211_hw_set(hw, WANT_MONITOR_VIF); + ieee80211_hw_set(hw, SUPPORTS_MULTI_BSSID); hw->max_tx_fragments = 4; diff --git a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c index 3b56b90bb956..29e287373717 100644 --- a/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c +++ b/drivers/net/wireless/mediatek/mt76/mt7996/mcu.c @@ -601,6 +601,24 @@ mt7996_mcu_bss_he_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, } static void +mt7996_mcu_bss_mbssid_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, + struct mt7996_phy *phy, int enable) +{ + struct bss_info_uni_mbssid *mbssid; + struct tlv *tlv; + + tlv = mt7996_mcu_add_uni_tlv(skb, UNI_BSS_INFO_11V_MBSSID, sizeof(*mbssid)); + + mbssid = (struct bss_info_uni_mbssid *)tlv; + + if (enable && vif->bss_conf.bssid_indicator) { + mbssid->max_indicator = vif->bss_conf.bssid_indicator; + mbssid->mbss_idx = vif->bss_conf.bssid_index; + mbssid->tx_bss_omac_idx = 0; + } +} + +static void mt7996_mcu_bss_bmc_tlv(struct sk_buff *skb, struct ieee80211_vif *vif, struct mt7996_phy *phy) { @@ -866,6 +884,9 @@ int mt7996_mcu_add_bss_info(struct mt7996_phy *phy, /* this tag is necessary no matter if the vif is MLD */ mt7996_mcu_bss_mld_tlv(skb, vif); } + + mt7996_mcu_bss_mbssid_tlv(skb, vif, phy, enable); + out: return mt76_mcu_skb_send_msg(&dev->mt76, skb, MCU_WMWA_UNI_CMD(BSS_INFO_UPDATE), true); @@ -2127,6 +2148,59 @@ mt7996_mcu_beacon_cntdwn(struct ieee80211_vif *vif, struct sk_buff *rskb, } static void +mt7996_mcu_beacon_mbss(struct sk_buff *rskb, struct sk_buff *skb, + struct ieee80211_vif *vif, struct bss_bcn_content_tlv *bcn, + struct ieee80211_mutable_offsets *offs) +{ + struct bss_bcn_mbss_tlv *mbss; + const struct element *elem; + struct tlv *tlv; + + if (!vif->bss_conf.bssid_indicator) + return; + + tlv = mt7996_mcu_add_uni_tlv(rskb, UNI_BSS_INFO_BCN_MBSSID, sizeof(*mbss)); + + mbss = (struct bss_bcn_mbss_tlv *)tlv; + mbss->offset[0] = cpu_to_le16(offs->tim_offset); + mbss->bitmap = cpu_to_le32(1); + + for_each_element_id(elem, WLAN_EID_MULTIPLE_BSSID, + &skb->data[offs->mbssid_off], + skb->len - offs->mbssid_off) { + const struct element *sub_elem; + + if (elem->datalen < 2) + continue; + + for_each_element(sub_elem, elem->data + 1, elem->datalen - 1) { + const struct ieee80211_bssid_index *idx; + const u8 *idx_ie; + + /* not a valid BSS profile */ + if (sub_elem->id || sub_elem->datalen < 4) + continue; + + /* Find WLAN_EID_MULTI_BSSID_IDX + * in the merged nontransmitted profile + */ + idx_ie = cfg80211_find_ie(WLAN_EID_MULTI_BSSID_IDX, + sub_elem->data, sub_elem->datalen); + if (!idx_ie || idx_ie[1] < sizeof(*idx)) + continue; + + idx = (void *)(idx_ie + 2); + if (!idx->bssid_index || idx->bssid_index > 31) + continue; + + mbss->offset[idx->bssid_index] = cpu_to_le16(idx_ie - + skb->data); + mbss->bitmap |= cpu_to_le32(BIT(idx->bssid_index)); + } + } +} + +static void mt7996_mcu_beacon_cont(struct mt7996_dev *dev, struct ieee80211_vif *vif, struct sk_buff *rskb, struct sk_buff *skb, struct bss_bcn_content_tlv *bcn, @@ -2166,6 +2240,9 @@ int mt7996_mcu_add_beacon(struct ieee80211_hw *hw, struct tlv *tlv; struct bss_bcn_content_tlv *bcn; + if (vif->bss_conf.nontransmitted) + return 0; + rskb = __mt7996_mcu_alloc_bss_req(&dev->mt76, &mvif->mt76, MT7996_BEACON_UPDATE_SIZE); if (IS_ERR(rskb)) @@ -2193,7 +2270,7 @@ int mt7996_mcu_add_beacon(struct ieee80211_hw *hw, info->hw_queue |= FIELD_PREP(MT_TX_HW_QUEUE_PHY, phy->mt76->band_idx); mt7996_mcu_beacon_cont(dev, vif, rskb, skb, bcn, &offs); - /* TODO: subtag - 11v MBSSID */ + mt7996_mcu_beacon_mbss(rskb, skb, vif, bcn, &offs); mt7996_mcu_beacon_cntdwn(vif, rskb, skb, &offs); dev_kfree_skb(skb); out: |