Introduce mcu APIs to configure bss coloring and to report bss coloring
collisions. Add support to report coloring countdown in beacon sent by
the device.
Co-developed-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
Signed-off-by: Lorenzo Bianconi <lorenzo@xxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7915/init.c | 1 +
.../net/wireless/mediatek/mt76/mt7915/main.c | 26 ++++++
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 84 ++++++++++++++-----
.../net/wireless/mediatek/mt76/mt7915/mcu.h | 21 ++---
.../wireless/mediatek/mt76/mt7915/mt7915.h | 2 +
5 files changed, 105 insertions(+), 29 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/init.c b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
index 4798d6344305..f93ed3965662 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/init.c
@@ -232,6 +232,7 @@ mt7915_init_wiphy(struct ieee80211_hw *hw)
wiphy->reg_notifier = mt7915_regd_notifier;
wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+ wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_BSS_COLOR);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_VHT_IBSS);
ieee80211_hw_set(hw, HAS_RATE_CONTROL);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index c25f8da590dd..d67d0e1c0953 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -538,6 +538,29 @@ static void mt7915_configure_filter(struct ieee80211_hw *hw,
mutex_unlock(&dev->mt76.mutex);
}
+static void
+mt7915_update_bss_color(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct cfg80211_he_bss_color *bss_color)
+{
+ struct mt7915_dev *dev = mt7915_hw_dev(hw);
+
+ switch (vif->type) {
+ case NL80211_IFTYPE_AP: {
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+
+ if (mvif->omac_idx > HW_BSSID_MAX)
+ return;
+ fallthrough;
+ }
+ case NL80211_IFTYPE_STATION:
+ mt7915_mcu_update_bss_color(dev, vif, bss_color);
+ break;
+ default:
+ break;
+ }
+}
+
static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
struct ieee80211_vif *vif,
struct ieee80211_bss_conf *info,
@@ -586,6 +609,9 @@ static void mt7915_bss_info_changed(struct ieee80211_hw *hw,
if (changed & BSS_CHANGED_HE_OBSS_PD)
mt7915_mcu_add_obss_spr(dev, vif, info->he_obss_pd.enable);
+ if (changed & BSS_CHANGED_HE_BSS_COLOR)
+ mt7915_update_bss_color(hw, vif, &info->he_bss_color);
+
if (changed & (BSS_CHANGED_BEACON |
BSS_CHANGED_BEACON_ENABLED))
mt7915_mcu_add_beacon(hw, vif, info->enable_beacon);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 863aa18b3024..c142202d39c9 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -657,6 +657,15 @@ mt7915_mcu_rx_log_message(struct mt7915_dev *dev, struct sk_buff *skb)
(int)(skb->len - sizeof(*rxd)), data);
}
+static void
+mt7915_mcu_cca_finish(void *priv, u8 *mac, struct ieee80211_vif *vif)
+{
+ if (!vif->color_change_active)
+ return;
+
+ ieee80211_color_change_finish(vif);
+}
+
static void
mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
{
@@ -678,6 +687,11 @@ mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
case MCU_EXT_EVENT_FW_LOG_2_HOST:
mt7915_mcu_rx_log_message(dev, skb);
break;
+ case MCU_EXT_EVENT_BCC_NOTIFY:
+ ieee80211_iterate_active_interfaces_atomic(dev->mt76.hw,
+ IEEE80211_IFACE_ITER_RESUME_ALL,
+ mt7915_mcu_cca_finish, dev);
+ break;
default:
break;
}
@@ -706,6 +720,7 @@ void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb)
rxd->ext_eid == MCU_EXT_EVENT_FW_LOG_2_HOST ||
rxd->ext_eid == MCU_EXT_EVENT_ASSERT_DUMP ||
rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
+ rxd->ext_eid == MCU_EXT_EVENT_BCC_NOTIFY ||
rxd->ext_eid == MCU_EXT_EVENT_RATE_REPORT ||
!rxd->seq)
mt7915_mcu_rx_unsolicited_event(dev, skb);
@@ -2534,25 +2549,28 @@ int mt7915_mcu_add_dev_info(struct mt7915_phy *phy,
}
static void
-mt7915_mcu_beacon_csa(struct sk_buff *rskb, struct sk_buff *skb,
- struct bss_info_bcn *bcn,
- struct ieee80211_mutable_offsets *offs)
+mt7915_mcu_beacon_cntdwn(struct ieee80211_vif *vif, struct sk_buff *rskb,
+ struct sk_buff *skb, struct bss_info_bcn *bcn,
+ struct ieee80211_mutable_offsets *offs)
{
- if (offs->cntdwn_counter_offs[0]) {
- struct tlv *tlv;
- struct bss_info_bcn_csa *csa;
+ struct bss_info_bcn_cntdwn *info;
+ struct tlv *tlv;
+ int sub_tag;
- tlv = mt7915_mcu_add_nested_subtlv(rskb, BSS_INFO_BCN_CSA,
- sizeof(*csa), &bcn->sub_ntlv,
- &bcn->len);
- csa = (struct bss_info_bcn_csa *)tlv;
- csa->cnt = skb->data[offs->cntdwn_counter_offs[0]];
- }
+ if (!offs->cntdwn_counter_offs[0])
+ return;
+
+ sub_tag = vif->csa_active ? BSS_INFO_BCN_CSA : BSS_INFO_BCN_BCC;
+ tlv = mt7915_mcu_add_nested_subtlv(rskb, sub_tag, sizeof(*info),
+ &bcn->sub_ntlv, &bcn->len);
+ info = (struct bss_info_bcn_cntdwn *)tlv;
+ info->cnt = skb->data[offs->cntdwn_counter_offs[0]];
}
static void
-mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct sk_buff *rskb,
- struct sk_buff *skb, struct bss_info_bcn *bcn,
+mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct sk_buff *rskb, struct sk_buff *skb,
+ struct bss_info_bcn *bcn,
struct ieee80211_mutable_offsets *offs)
{
struct mt76_wcid *wcid = &dev->mt76.global_wcid;
@@ -2568,8 +2586,14 @@ mt7915_mcu_beacon_cont(struct mt7915_dev *dev, struct sk_buff *rskb,
cont->pkt_len = cpu_to_le16(MT_TXD_SIZE + skb->len);
cont->tim_ofs = cpu_to_le16(offs->tim_offset);
- if (offs->cntdwn_counter_offs[0])
- cont->csa_ofs = cpu_to_le16(offs->cntdwn_counter_offs[0] - 4);
+ if (offs->cntdwn_counter_offs[0]) {
+ u16 offset = offs->cntdwn_counter_offs[0];
+
+ if (vif->csa_active)
+ cont->csa_ofs = cpu_to_le16(offset - 4);
+ if (vif->color_change_active)
+ cont->bcc_ofs = cpu_to_le16(offset - 3);
+ }
buf = (u8 *)tlv + sizeof(*cont);
mt7915_mac_write_txwi(dev, (__le32 *)buf, skb, wcid, 0, NULL,
@@ -2617,9 +2641,9 @@ int mt7915_mcu_add_beacon(struct ieee80211_hw *hw,
info->hw_queue |= MT_TX_HW_QUEUE_EXT_PHY;
}
- /* TODO: subtag - bss color count & 11v MBSSID */
- mt7915_mcu_beacon_csa(rskb, skb, bcn, &offs);
- mt7915_mcu_beacon_cont(dev, rskb, skb, bcn, &offs);
+ /* TODO: subtag - 11v MBSSID */
+ mt7915_mcu_beacon_cntdwn(vif, rskb, skb, bcn, &offs);
+ mt7915_mcu_beacon_cont(dev, vif, rskb, skb, bcn, &offs);
dev_kfree_skb(skb);
out:
@@ -4069,3 +4093,25 @@ int mt7915_mcu_get_rx_rate(struct mt7915_phy *phy, struct ieee80211_vif *vif,
return ret;
}
+
+int mt7915_mcu_update_bss_color(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct cfg80211_he_bss_color *he_bss_color)
+{
+ int len = sizeof(struct sta_req_hdr) + sizeof(struct bss_info_color);
+ struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
+ struct bss_info_color *bss_color;
+ struct sk_buff *skb;
+ struct tlv *tlv;
+
+ skb = mt7915_mcu_alloc_sta_req(dev, mvif, NULL, len);
+ if (IS_ERR(skb))
+ return PTR_ERR(skb);
+
+ tlv = mt7915_mcu_add_tlv(skb, BSS_INFO_BSS_COLOR, sizeof(*bss_color));
+ bss_color = (struct bss_info_color *)tlv;
+ bss_color->disable = !he_bss_color->enabled;
+ bss_color->color = he_bss_color->color;
+
+ return mt76_mcu_skb_send_msg(&dev->mt76, skb,
+ MCU_EXT_CMD(BSS_INFO_UPDATE), true);
+}
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index edd3ba3a0c2d..431851ff3f8a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -43,6 +43,7 @@ enum {
MCU_EXT_EVENT_ASSERT_DUMP = 0x23,
MCU_EXT_EVENT_RDD_REPORT = 0x3a,
MCU_EXT_EVENT_CSA_NOTIFY = 0x4f,
+ MCU_EXT_EVENT_BCC_NOTIFY = 0x75,
MCU_EXT_EVENT_RATE_REPORT = 0x87,
};
@@ -545,6 +546,14 @@ struct bss_info_hw_amsdu {
u8 rsv;
} __packed;
+struct bss_info_color {
+ __le16 tag;
+ __le16 len;
+ u8 disable;
+ u8 color;
+ u8 rsv[2];
+} __packed;
+
struct bss_info_he {
__le16 tag;
__le16 len;
@@ -563,14 +572,7 @@ struct bss_info_bcn {
__le16 sub_ntlv;
} __packed __aligned(4);
-struct bss_info_bcn_csa {
- __le16 tag;
- __le16 len;
- u8 cnt;
- u8 rsv[3];
-} __packed __aligned(4);
-
-struct bss_info_bcn_bcc {
+struct bss_info_bcn_cntdwn {
__le16 tag;
__le16 len;
u8 cnt;
@@ -1156,8 +1158,7 @@ enum {
sizeof(struct bss_info_ext_bss))
#define MT7915_BEACON_UPDATE_SIZE (sizeof(struct sta_req_hdr) + \
- sizeof(struct bss_info_bcn_csa) + \
- sizeof(struct bss_info_bcn_bcc) + \
+ sizeof(struct bss_info_bcn_cntdwn) + \
sizeof(struct bss_info_bcn_mbss) + \
sizeof(struct bss_info_bcn_cont))
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 3f613fae6218..e2b8c1a45b99 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -327,6 +327,8 @@ int mt7915_mcu_add_rx_ba(struct mt7915_dev *dev,
int mt7915_mcu_add_key(struct mt7915_dev *dev, struct ieee80211_vif *vif,
struct mt7915_sta *msta, struct ieee80211_key_conf *key,
enum set_key_cmd cmd);
+int mt7915_mcu_update_bss_color(struct mt7915_dev *dev, struct ieee80211_vif *vif,
+ struct cfg80211_he_bss_color *he_bss_color);
int mt7915_mcu_add_beacon(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
int enable);
int mt7915_mcu_add_obss_spr(struct mt7915_dev *dev, struct ieee80211_vif *vif,
--
2.31.1
