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Message-ID:
<OSZPR01MB84345D44294ACA75A863ED6B98D62@OSZPR01MB8434.jpnprd01.prod.outlook.com>
Date: Mon, 10 Mar 2025 20:41:34 +0800
From: Shengyu Qu <wiagn233@...look.com>
To: Felix Fietkau <nbd@....name>, Ping-Ke Shih <pkshih@...ltek.com>,
"lorenzo@...nel.org" <lorenzo@...nel.org>,
"ryder.lee@...iatek.com" <ryder.lee@...iatek.com>,
"shayne.chen@...iatek.com" <shayne.chen@...iatek.com>,
"sean.wang@...iatek.com" <sean.wang@...iatek.com>,
"johannes@...solutions.net" <johannes@...solutions.net>,
"matthias.bgg@...il.com" <matthias.bgg@...il.com>,
"angelogioacchino.delregno@...labora.com"
<angelogioacchino.delregno@...labora.com>,
"miriam.rachel.korenblit@...el.com" <miriam.rachel.korenblit@...el.com>,
"howard-yh.hsu@...iatek.com" <howard-yh.hsu@...iatek.com>,
"greearb@...delatech.com" <greearb@...delatech.com>,
"chui-hao.chiu@...iatek.com" <chui-hao.chiu@...iatek.com>,
"mingyen.hsieh@...iatek.com" <mingyen.hsieh@...iatek.com>,
"quic_adisi@...cinc.com" <quic_adisi@...cinc.com>,
"sujuan.chen@...iatek.com" <sujuan.chen@...iatek.com>,
"gustavoars@...nel.org" <gustavoars@...nel.org>,
"bo.jiao@...iatek.com" <bo.jiao@...iatek.com>,
"linux-wireless@...r.kernel.org" <linux-wireless@...r.kernel.org>,
"linux-kernel@...r.kernel.org" <linux-kernel@...r.kernel.org>,
"linux-arm-kernel@...ts.infradead.org"
<linux-arm-kernel@...ts.infradead.org>,
"linux-mediatek@...ts.infradead.org" <linux-mediatek@...ts.infradead.org>
Cc: wiagn233@...look.com
Subject: Re: [PATCH v9 RESEND] wifi: mt76: mt7915: add wds support when wed is
enabled
Hello,
I modified the patch as you two adviced. If you think it's ok, please
tell me and I'll send a v10 patch.
Modified patch is attached below.
Best regards,
Shengyu
---
drivers/net/wireless/mediatek/mt76/mt76.h | 15 ++++++
.../net/wireless/mediatek/mt76/mt7915/main.c | 53 +++++++++++++++++--
.../net/wireless/mediatek/mt76/mt7915/mcu.c | 18 +++++--
.../net/wireless/mediatek/mt76/mt7915/mcu.h | 1 +
drivers/net/wireless/mediatek/mt76/util.c | 37 +++++++++++--
drivers/net/wireless/mediatek/mt76/util.h | 2 +-
6 files changed, 115 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt76.h b/drivers/net/wireless/mediatek/mt76/mt76.h
index 132148f7b107..bd943b8b20bc 100644
--- a/drivers/net/wireless/mediatek/mt76/mt76.h
+++ b/drivers/net/wireless/mediatek/mt76/mt76.h
@@ -28,6 +28,9 @@
#define MT76_TOKEN_FREE_THR 64
+#define MT76_WED_WDS_MIN 256
+#define MT76_WED_WDS_MAX 272
+
#define MT_QFLAG_WED_RING GENMASK(1, 0)
#define MT_QFLAG_WED_TYPE GENMASK(4, 2)
#define MT_QFLAG_WED BIT(5)
@@ -73,6 +76,12 @@ enum mt76_wed_type {
MT76_WED_RRO_Q_IND,
};
+enum mt76_wed_state {
+ MT76_WED_DEFAULT,
+ MT76_WED_ACTIVE,
+ MT76_WED_WDS_ACTIVE,
+};
+
struct mt76_bus_ops {
u32 (*rr)(struct mt76_dev *dev, u32 offset);
void (*wr)(struct mt76_dev *dev, u32 offset, u32 val);
@@ -1165,6 +1174,12 @@ void mt76_wed_dma_reset(struct mt76_dev *dev);
int mt76_wed_net_setup_tc(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
struct net_device *netdev, enum tc_setup_type type,
void *type_data);
+
+static inline int mt76_wcid_alloc(u32 *mask, int size)
+{
+ return __mt76_wcid_alloc(mask, size, MT76_WED_DEFAULT);
+}
+
#ifdef CONFIG_NET_MEDIATEK_SOC_WED
u32 mt76_wed_init_rx_buf(struct mtk_wed_device *wed, int size);
int mt76_wed_offload_enable(struct mtk_wed_device *wed);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index 3aa31c5cefa6..07c2ce518d97 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -745,8 +745,15 @@ int mt7915_mac_sta_add(struct mt76_dev *mdev, struct ieee80211_vif *vif,
struct mt7915_vif *mvif = (struct mt7915_vif *)vif->drv_priv;
bool ext_phy = mvif->phy != &dev->phy;
int idx;
+ u8 flags = MT76_WED_DEFAULT;
- idx = mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA);
+ if (mtk_wed_device_active(&dev->mt76.mmio.wed) &&
+ !is_mt7915(&dev->mt76)) {
+ flags = test_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags) ?
+ MT76_WED_WDS_ACTIVE : MT76_WED_ACTIVE;
+ }
+
+ idx = __mt76_wcid_alloc(mdev->wcid_mask, MT7915_WTBL_STA, flags);
if (idx < 0)
return -ENOSPC;
@@ -1271,6 +1278,11 @@ static void mt7915_sta_set_4addr(struct ieee80211_hw *hw,
{
struct mt7915_dev *dev = mt7915_hw_dev(hw);
struct mt7915_sta *msta = (struct mt7915_sta *)sta->drv_priv;
+ int min = MT76_WED_WDS_MIN, max = MT76_WED_WDS_MAX;
+ struct ieee80211_sta *pre_sta;
+ struct mt7915_sta *pre_msta;
+ u8 flags = MT76_WED_DEFAULT;
+ int tmp_idx;
if (enabled)
set_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags);
@@ -1280,6 +1292,37 @@ static void mt7915_sta_set_4addr(struct ieee80211_hw *hw,
if (!msta->wcid.sta)
return;
+ if (mtk_wed_device_active(&dev->mt76.mmio.wed) &&
+ !is_mt7915(&dev->mt76) &&
+ (msta->wcid.idx < min || msta->wcid.idx > max - 1)) {
+ pre_sta = kmemdup(sta, sizeof(*sta) + sizeof(*msta), GFP_KERNEL | __GFP_ZERO);
+ if (pre_sta == NULL)
+ goto error_alloc;
+ pre_msta = (struct mt7915_sta *)pre_sta->drv_priv;
+
+ flags = test_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags) ?
+ MT76_WED_WDS_ACTIVE : MT76_WED_ACTIVE;
+
+ tmp_idx = __mt76_wcid_alloc(dev->mt76.wcid_mask, MT7915_WTBL_STA, flags);
+ if (tmp_idx < 0)
+ goto error_wcid;
+ pre_msta->wcid.idx = (u16)tmp_idx;
+ mt7915_mac_sta_add(&dev->mt76, vif, pre_sta);
+ rcu_assign_pointer(dev->mt76.wcid[tmp_idx], &msta->wcid);
+
+ tmp_idx = msta->wcid.idx;
+ msta->wcid.idx = pre_msta->wcid.idx;
+ pre_msta->wcid.idx = (u16)tmp_idx;
+ rcu_assign_pointer(dev->mt76.wcid[tmp_idx], NULL);
+
+ synchronize_rcu();
+ mt7915_mac_sta_remove(&dev->mt76, vif, pre_sta);
+
+error_wcid:
+ kfree(pre_sta);
+ }
+
+error_alloc:
mt76_connac_mcu_wtbl_update_hdr_trans(&dev->mt76, vif, sta);
}
@@ -1726,15 +1769,19 @@ mt7915_net_fill_forward_path(struct ieee80211_hw *hw,
if (!mtk_wed_device_active(wed))
return -ENODEV;
- if (msta->wcid.idx > 0xff)
+ if (msta->wcid.idx > MT7915_WTBL_STA)
return -EIO;
path->type = DEV_PATH_MTK_WDMA;
path->dev = ctx->dev;
path->mtk_wdma.wdma_idx = wed->wdma_idx;
path->mtk_wdma.bss = mvif->mt76.idx;
- path->mtk_wdma.wcid = is_mt7915(&dev->mt76) ? msta->wcid.idx : 0x3ff;
path->mtk_wdma.queue = phy != &dev->phy;
+ if (test_bit(MT_WCID_FLAG_4ADDR, &msta->wcid.flags) ||
+ is_mt7915(&dev->mt76))
+ path->mtk_wdma.wcid = msta->wcid.idx;
+ else
+ path->mtk_wdma.wcid = 0x3ff;
ctx->dev = NULL;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
index 9d790f234e82..191f966c3f32 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.c
@@ -2385,10 +2385,20 @@ int mt7915_mcu_init_firmware(struct mt7915_dev *dev)
mt76_connac_mcu_del_wtbl_all(&dev->mt76);
- if ((mtk_wed_device_active(&dev->mt76.mmio.wed) &&
- is_mt7915(&dev->mt76)) ||
- !mtk_wed_get_rx_capa(&dev->mt76.mmio.wed))
- mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(CAPABILITY), 0, 0, 0);
+#if IS_ENABLED(CONFIG_NET_MEDIATEK_SOC_WED)
+ if (mtk_wed_device_active(&dev->mt76.mmio.wed)) {
+ if (is_mt7915(&dev->mt76) ||
+ !mtk_wed_get_rx_capa(&dev->mt76.mmio.wed))
+ ret = mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(CAPABILITY),
+ 0, 0, 0);
+ else
+ ret = mt7915_mcu_wa_cmd(dev, MCU_WA_PARAM_CMD(SET),
+ MCU_WA_PARAM_WED_VERSION,
+ dev->mt76.mmio.wed.rev_id, 0);
+ if (ret)
+ return ret;
+ }
+#endif
ret = mt7915_mcu_set_mwds(dev, 1);
if (ret)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
index 49476a4182fd..c3dd0cb4a5d3 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mcu.h
@@ -278,6 +278,7 @@ enum {
MCU_WA_PARAM_PDMA_RX = 0x04,
MCU_WA_PARAM_CPU_UTIL = 0x0b,
MCU_WA_PARAM_RED = 0x0e,
+ MCU_WA_PARAM_WED_VERSION = 0x32,
MCU_WA_PARAM_RED_SETTING = 0x40,
};
diff --git a/drivers/net/wireless/mediatek/mt76/util.c b/drivers/net/wireless/mediatek/mt76/util.c
index 95b3dc96e4c4..e80bef2b33a1 100644
--- a/drivers/net/wireless/mediatek/mt76/util.c
+++ b/drivers/net/wireless/mediatek/mt76/util.c
@@ -42,8 +42,10 @@ bool ____mt76_poll_msec(struct mt76_dev *dev, u32 offset, u32 mask, u32 val,
}
EXPORT_SYMBOL_GPL(____mt76_poll_msec);
-int mt76_wcid_alloc(u32 *mask, int size)
+int __mt76_wcid_alloc(u32 *mask, int size, u8 flag)
{
+ int max = MT76_WED_WDS_MAX;
+ int min = MT76_WED_WDS_MIN;
int i, idx = 0, cur;
for (i = 0; i < DIV_ROUND_UP(size, 32); i++) {
@@ -53,16 +55,45 @@ int mt76_wcid_alloc(u32 *mask, int size)
idx--;
cur = i * 32 + idx;
- if (cur >= size)
+
+ switch (flag) {
+ case MT76_WED_ACTIVE:
+ if (cur >= min && cur < max)
+ continue;
+
+ if (cur >= size) {
+ u32 end = max - min - 1;
+
+ i = min / 32;
+ idx = ffs(~mask[i] & GENMASK(end, 0));
+ if (!idx)
+ goto error;
+ idx--;
+ cur = min + idx;
+ }
+
break;
+ case MT76_WED_WDS_ACTIVE:
+ if (cur < min)
+ continue;
+ if (cur >= max)
+ goto error;
+
+ break;
+ default:
+ if (cur >= size)
+ goto error;
+ break;
+ }
mask[i] |= BIT(idx);
return cur;
}
+error:
return -1;
}
-EXPORT_SYMBOL_GPL(mt76_wcid_alloc);
+EXPORT_SYMBOL_GPL(__mt76_wcid_alloc);
int mt76_get_min_avg_rssi(struct mt76_dev *dev, u8 phy_idx)
{
diff --git a/drivers/net/wireless/mediatek/mt76/util.h b/drivers/net/wireless/mediatek/mt76/util.h
index 260965dde94c..fe95a847182e 100644
--- a/drivers/net/wireless/mediatek/mt76/util.h
+++ b/drivers/net/wireless/mediatek/mt76/util.h
@@ -27,7 +27,7 @@ enum {
#define MT76_INCR(_var, _size) \
(_var = (((_var) + 1) % (_size)))
-int mt76_wcid_alloc(u32 *mask, int size);
+int __mt76_wcid_alloc(u32 *mask, int size, u8 flags);
static inline void
mt76_wcid_mask_set(u32 *mask, int idx)
--
2.48.1
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