From dd89a0133c0ce80bb8c2f873a85b28f2d33640bd Mon Sep 17 00:00:00 2001
From: Lorenzo Bianconi <lorenzo@kernel.org>
Date: Wed, 22 Apr 2020 18:29:32 +0200
Subject: [PATCH] mt76: enable TDLS support
Git-commit: dd89a0133c0ce80bb8c2f873a85b28f2d33640bd
Patch-mainline: v5.8-rc1
References: jsc#SLE-13430
Enable mac80211 TDLS support by default. Disable TDLS hw filtering for
mt7615 devices
Signed-off-by: Lorenzo Bianconi <lorenzo@kernel.org>
Signed-off-by: Felix Fietkau <nbd@nbd.name>
Acked-by: Takashi Iwai <tiwai@suse.de>
---
drivers/net/wireless/mediatek/mt76/mac80211.c | 3 ++-
drivers/net/wireless/mediatek/mt76/mt7615/init.c | 3 +++
drivers/net/wireless/mediatek/mt76/mt7615/main.c | 4 ++--
drivers/net/wireless/mediatek/mt76/mt7615/mmio.c | 2 ++
drivers/net/wireless/mediatek/mt76/mt7615/regs.h | 8 ++++++++
drivers/net/wireless/mediatek/mt76/mt7615/usb.c | 1 +
6 files changed, 18 insertions(+), 3 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mac80211.c b/drivers/net/wireless/mediatek/mt76/mac80211.c
index b6c0a6d0dfc1..176c22a5319a 100644
--- a/drivers/net/wireless/mediatek/mt76/mac80211.c
+++ b/drivers/net/wireless/mediatek/mt76/mac80211.c
@@ -278,7 +278,8 @@ mt76_phy_init(struct mt76_dev *dev, struct ieee80211_hw *hw)
SET_IEEE80211_PERM_ADDR(hw, dev->macaddr);
wiphy->features |= NL80211_FEATURE_ACTIVE_MONITOR;
- wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH;
+ wiphy->flags |= WIPHY_FLAG_HAS_CHANNEL_SWITCH |
+ WIPHY_FLAG_SUPPORTS_TDLS;
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_CQM_RSSI_LIST);
wiphy_ext_feature_set(wiphy, NL80211_EXT_FEATURE_AIRTIME_FAIRNESS);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/init.c b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
index 6fc3f5aa94c0..9880643888ba 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/init.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/init.c
@@ -63,6 +63,7 @@ mt7615_init_mac_chain(struct mt7615_dev *dev, int chain)
FIELD_PREP(MT_AGG_ARxCR_LIMIT(6), MT7615_RATE_RETRY - 1) |
FIELD_PREP(MT_AGG_ARxCR_LIMIT(7), MT7615_RATE_RETRY - 1));
+ mt76_clear(dev, MT_DMA_RCFR0(chain), MT_DMA_RCFR0_MCU_RX_TDLS);
if (!mt7615_firmware_offload(dev)) {
u32 mask, set;
@@ -117,6 +118,8 @@ void mt7615_mac_init(struct mt7615_dev *dev)
mt76_wr(dev, MT_DMA_DCR0,
FIELD_PREP(MT_DMA_DCR0_MAX_RX_LEN, 3072) |
MT_DMA_DCR0_RX_VEC_DROP);
+ /* disable TDLS filtering */
+ mt76_clear(dev, MT_WF_PFCR, MT_WF_PFCR_TDLS_EN);
mt76_set(dev, MT_WF_MIB_SCR0, MT_MIB_SCR0_AGG_CNT_RANGE_EN);
if (is_mt7663(&dev->mt76)) {
mt76_wr(dev, MT_WF_AGG(0x160), 0x5c341c02);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/main.c b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
index 3c35b8d0489c..4e1d162b2664 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/main.c
@@ -542,7 +542,7 @@ int mt7615_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
msta->wcid.idx = idx;
msta->wcid.ext_phy = mvif->band_idx;
- if (vif->type == NL80211_IFTYPE_STATION) {
+ if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
struct mt7615_phy *phy;
phy = mvif->band_idx ? mt7615_ext_phy(dev) : &dev->phy;
@@ -565,7 +565,7 @@ void mt7615_mac_sta_remove(struct mt76_dev *mdev, struct ieee80211_vif *vif,
mt7615_mcu_sta_add(dev, vif, sta, false);
mt7615_mac_wtbl_update(dev, msta->wcid.idx,
MT_WTBL_UPDATE_ADM_COUNT_CLEAR);
- if (vif->type == NL80211_IFTYPE_STATION) {
+ if (vif->type == NL80211_IFTYPE_STATION && !sta->tdls) {
struct mt7615_vif *mvif = (struct mt7615_vif *)vif->drv_priv;
struct mt7615_phy *phy;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
index 2c4b1a315d5b..c9f5b1ce70ae 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/mmio.c
@@ -21,6 +21,7 @@ const u32 mt7615e_reg_map[] = {
[MT_TMAC_BASE] = 0x21000,
[MT_RMAC_BASE] = 0x21200,
[MT_DMA_BASE] = 0x21800,
+ [MT_PF_BASE] = 0x22000,
[MT_WTBL_BASE_ON] = 0x23000,
[MT_WTBL_BASE_OFF] = 0x23400,
[MT_LPON_BASE] = 0x24200,
@@ -45,6 +46,7 @@ const u32 mt7663e_reg_map[] = {
[MT_TMAC_BASE] = 0x24000,
[MT_RMAC_BASE] = 0x25000,
[MT_DMA_BASE] = 0x27000,
+ [MT_PF_BASE] = 0x28000,
[MT_WTBL_BASE_ON] = 0x29000,
[MT_WTBL_BASE_OFF] = 0x29800,
[MT_LPON_BASE] = 0x2b000,
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
index 054831ecad68..68d30bcc087a 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/regs.h
@@ -18,6 +18,7 @@ enum mt7615_reg_base {
MT_TMAC_BASE,
MT_RMAC_BASE,
MT_DMA_BASE,
+ MT_PF_BASE,
MT_WTBL_BASE_ON,
MT_WTBL_BASE_OFF,
MT_LPON_BASE,
@@ -321,10 +322,17 @@ enum mt7615_reg_base {
#define MT_DMA_RCFR0_MCU_RX_MGMT BIT(2)
#define MT_DMA_RCFR0_MCU_RX_CTL_NON_BAR BIT(3)
#define MT_DMA_RCFR0_MCU_RX_CTL_BAR BIT(4)
+#define MT_DMA_RCFR0_MCU_RX_TDLS BIT(19)
#define MT_DMA_RCFR0_MCU_RX_BYPASS BIT(21)
#define MT_DMA_RCFR0_RX_DROPPED_UCAST GENMASK(25, 24)
#define MT_DMA_RCFR0_RX_DROPPED_MCAST GENMASK(27, 26)
+#define MT_WF_PF_BASE ((dev)->reg_map[MT_PF_BASE])
+#define MT_WF_PF(ofs) (MT_WF_PF_BASE + (ofs))
+
+#define MT_WF_PFCR MT_WF_PF(0x000)
+#define MT_WF_PFCR_TDLS_EN BIT(9)
+
#define MT_WTBL_BASE(dev) ((dev)->reg_map[MT_WTBL_BASE_ADDR])
#define MT_WTBL_ENTRY_SIZE 256
diff --git a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
index eee6f820959f..bcd131969923 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7615/usb.c
@@ -31,6 +31,7 @@ static const u32 mt7663u_reg_map[] = {
[MT_TMAC_BASE] = 0x820f4000,
[MT_RMAC_BASE] = 0x820f5000,
[MT_DMA_BASE] = 0x820f7000,
+ [MT_PF_BASE] = 0x820f8000,
[MT_WTBL_BASE_ON] = 0x820f9000,
[MT_WTBL_BASE_OFF] = 0x820f9800,
[MT_LPON_BASE] = 0x820fb000,
--
2.16.4