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wlan-ap/feeds/mediatek-sdk/mt76/patches/1046-wifi-mt76-mt7915-support-spatial-reuse-debug-command.patch
John Crispin e56a53e541 mediatek: update to mp2.3 SDK 
Signed-off-by: John Crispin <john@phrozen.org>
2024-04-29 11:19:26 +02:00

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From 3a8ffe4b10bd9949dcd689406d5378a1b93c201d Mon Sep 17 00:00:00 2001
From: Howard Hsu <howard-yh.hsu@mediatek.com>
Date: Thu, 15 Feb 2024 11:16:16 +0800
Subject: [PATCH 1046/1053] wifi: mt76: mt7915: support spatial reuse debug
commands
Support 3 spatial reuse debug commands:
1. sr_enable: enable/disable spatial reuse
2. sr_scene_cond: check spatial resue scene detection algorithm result
3. sr_stats: check spatial resue tx statistics
Signed-off-by: Howard Hsu <howard-yh.hsu@mediatek.com>
---
mt76_connac_mcu.h | 1 +
mt7915/mcu.c | 95 ++++++++++++++++++++++++++++++++++++++++++++
mt7915/mcu.h | 48 ++++++++++++++++++++++
mt7915/mt7915.h | 3 ++
mt7915/mtk_debugfs.c | 48 ++++++++++++++++++++--
5 files changed, 191 insertions(+), 4 deletions(-)
diff --git a/mt76_connac_mcu.h b/mt76_connac_mcu.h
index c96621f..dc60e35 100644
--- a/mt76_connac_mcu.h
+++ b/mt76_connac_mcu.h
@@ -1031,6 +1031,7 @@ enum {
MCU_EXT_EVENT_WA_TX_STAT = 0x74,
MCU_EXT_EVENT_BCC_NOTIFY = 0x75,
MCU_EXT_EVENT_MURU_CTRL = 0x9f,
+ MCU_EXT_EVENT_SR = 0xa8,
MCU_EXT_EVENT_CSI_REPORT = 0xc2,
};
diff --git a/mt7915/mcu.c b/mt7915/mcu.c
index ddb738c..b3faf77 100644
--- a/mt7915/mcu.c
+++ b/mt7915/mcu.c
@@ -452,6 +452,91 @@ mt7915_mcu_rx_bss_acq_pkt_cnt(struct mt7915_dev *dev, struct sk_buff * skb)
}
}
+#ifdef MTK_DEBUG
+void mt7915_mcu_rx_sr_swsd(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+#define SR_SCENE_DETECTION_TIMER_PERIOD_MS 500
+ struct mt7915_mcu_sr_swsd_event *event;
+ static const char * const rules[] = {"NO CONNECTED", "NO CONGESTION",
+ "NO INTERFERENCE", "MESH ILLEGAL APCLI",
+ "SR ON"};
+ u8 idx;
+
+ event = (struct mt7915_mcu_sr_swsd_event *)skb->data;
+ idx = event->basic.band_idx;
+
+ dev_info(dev->mt76.dev, "Band index = %u\n", event->basic.band_idx);
+ dev_info(dev->mt76.dev, "Hit Rule = %s\n", rules[event->rule[idx]]);
+ dev_info(dev->mt76.dev, "Timer Period = %d(us)\n"
+ "Congestion Ratio = %d.%1d%%\n",
+ SR_SCENE_DETECTION_TIMER_PERIOD_MS * 1000,
+ le32_to_cpu(event->total_airtime_ratio[idx]) / 10,
+ le32_to_cpu(event->total_airtime_ratio[idx]) % 10);
+ dev_info(dev->mt76.dev,
+ "Total Airtime = %d(us)\n"
+ "ChBusy = %d\n"
+ "SrTx = %d\n"
+ "OBSS = %d\n"
+ "MyTx = %d\n"
+ "MyRx = %d\n"
+ "Interference Ratio = %d.%1d%%\n",
+ le32_to_cpu(event->total_airtime[idx]),
+ le32_to_cpu(event->channel_busy_time[idx]),
+ le32_to_cpu(event->sr_tx_airtime[idx]),
+ le32_to_cpu(event->obss_airtime[idx]),
+ le32_to_cpu(event->my_tx_airtime[idx]),
+ le32_to_cpu(event->my_rx_airtime[idx]),
+ le32_to_cpu(event->obss_airtime_ratio[idx]) / 10,
+ le32_to_cpu(event->obss_airtime_ratio[idx]) % 10);
+}
+
+void mt7915_mcu_rx_sr_hw_indicator(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_sr_hw_ind_event *event;
+
+ event = (struct mt7915_mcu_sr_hw_ind_event *)skb->data;
+
+ dev_info(dev->mt76.dev, "Inter PPDU Count = %u\n",
+ le16_to_cpu(event->inter_bss_ppdu_cnt));
+ dev_info(dev->mt76.dev, "SR Valid Count = %u\n",
+ le16_to_cpu(event->non_srg_valid_cnt));
+ dev_info(dev->mt76.dev, "SR Tx Count = %u\n",
+ le32_to_cpu(event->sr_ampdu_mpdu_cnt));
+ dev_info(dev->mt76.dev, "SR Tx Acked Count = %u\n",
+ le32_to_cpu(event->sr_ampdu_mpdu_acked_cnt));
+}
+
+static void
+mt7915_mcu_rx_sr_event(struct mt7915_dev *dev, struct sk_buff *skb)
+{
+ struct mt7915_mcu_sr_basic_event *event;
+ struct mt7915_phy *phy;
+
+ event = (struct mt7915_mcu_sr_basic_event *)skb->data;
+
+ if (event->band_idx > MT_BAND1)
+ dev_info(dev->mt76.dev, "Invalid band idx %d\n", event->band_idx);
+
+ switch (event->sub_event_id) {
+ case SPR_EVENT_CFG_SR_ENABLE:
+ phy = dev->mt76.phys[event->band_idx]->priv;
+ if (phy)
+ phy->sr_enable = le32_to_cpu(event->value);
+ break;
+ case SPR_EVENT_SR_SW_SD:
+ mt7915_mcu_rx_sr_swsd(dev, skb);
+ break;
+ case SPR_EVENT_SR_HW_IND:
+ mt7915_mcu_rx_sr_hw_indicator(dev, skb);
+ break;
+ default:
+ dev_info(dev->mt76.dev, "Unknown SR event tag %d\n",
+ event->sub_event_id);
+ break;
+ }
+}
+#endif
+
static void
mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
{
@@ -479,6 +564,11 @@ mt7915_mcu_rx_ext_event(struct mt7915_dev *dev, struct sk_buff *skb)
case MCU_EXT_EVENT_BCC_NOTIFY:
mt7915_mcu_rx_bcc_notify(dev, skb);
break;
+#ifdef MTK_DEBUG
+ case MCU_EXT_EVENT_SR:
+ mt7915_mcu_rx_sr_event(dev, skb);
+ break;
+#endif
#if defined CONFIG_NL80211_TESTMODE || defined MTK_DEBUG
case MCU_EXT_EVENT_BF_STATUS_READ:
mt7915_mcu_txbf_status_read(dev, skb);
@@ -524,6 +614,7 @@ void mt7915_mcu_rx_event(struct mt7915_dev *dev, struct sk_buff *skb)
rxd->ext_eid == MCU_EXT_EVENT_PS_SYNC ||
rxd->ext_eid == MCU_EXT_EVENT_BCC_NOTIFY ||
rxd->ext_eid == MCU_EXT_EVENT_BF_STATUS_READ ||
+ rxd->ext_eid == MCU_EXT_EVENT_SR ||
!rxd->seq) &&
!(rxd->eid == MCU_CMD_EXT_CID &&
rxd->ext_eid == MCU_EXT_EVENT_WA_TX_STAT))
@@ -4002,6 +4093,10 @@ int mt7915_mcu_add_obss_spr(struct mt7915_phy *phy, struct ieee80211_vif *vif,
if (ret)
return ret;
+#ifdef MTK_DEBUG
+ phy->sr_enable = he_obss_pd->enable;
+#endif
+
if (sr_scene_detect || !he_obss_pd->enable)
return 0;
diff --git a/mt7915/mcu.h b/mt7915/mcu.h
index 742a785..f476767 100644
--- a/mt7915/mcu.h
+++ b/mt7915/mcu.h
@@ -42,6 +42,45 @@ struct mt7915_mcu_thermal_notify {
u8 rsv[8];
} __packed;
+#ifdef MTK_DEBUG
+struct mt7915_mcu_sr_basic_event {
+ struct mt76_connac2_mcu_rxd rxd;
+
+ u8 sub_event_id;
+ u8 arg_num;
+ u8 band_idx;
+ u8 status;
+ u8 rsv[4];
+ __le32 value;
+} __packed;
+
+struct mt7915_mcu_sr_swsd_event {
+ struct mt7915_mcu_sr_basic_event basic;
+ u8 rsv[32];
+ __le32 sr_tx_airtime[2];
+ __le32 obss_airtime[2];
+ __le32 my_tx_airtime[2];
+ __le32 my_rx_airtime[2];
+ __le32 channel_busy_time[2];
+ __le32 total_airtime[2];
+ __le32 total_airtime_ratio[2];
+ __le32 obss_airtime_ratio[2];
+ u8 rule[2];
+ u8 rsv2[102];
+} __packed;
+
+struct mt7915_mcu_sr_hw_ind_event {
+ struct mt7915_mcu_sr_basic_event basic;
+ u8 rsv[2];
+ __le16 non_srg_valid_cnt;
+ u8 rsv2[4];
+ __le16 inter_bss_ppdu_cnt;
+ u8 rsv3[6];
+ __le32 sr_ampdu_mpdu_cnt;
+ __le32 sr_ampdu_mpdu_acked_cnt;
+} __packed;
+#endif
+
struct mt7915_mcu_csa_notify {
struct mt76_connac2_mcu_rxd rxd;
@@ -532,15 +571,24 @@ enum {
enum {
SPR_ENABLE = 0x1,
+ SPR_GET_ENABLE = 0x2,
SPR_ENABLE_SD = 0x3,
SPR_ENABLE_MODE = 0x5,
SPR_ENABLE_DPD = 0x23,
SPR_ENABLE_TX = 0x25,
SPR_SET_SRG_BITMAP = 0x80,
+ SPR_GET_SCENE_COND = 0x84,
SPR_SET_PARAM = 0xc2,
+ SPR_GET_STATS = 0xd4,
SPR_SET_SIGA = 0xdc,
};
+enum {
+ SPR_EVENT_CFG_SR_ENABLE = 0x1,
+ SPR_EVENT_SR_SW_SD = 0x82,
+ SPR_EVENT_SR_HW_IND = 0xC9,
+};
+
enum {
THERMAL_PROTECT_PARAMETER_CTRL,
THERMAL_PROTECT_BASIC_INFO,
diff --git a/mt7915/mt7915.h b/mt7915/mt7915.h
index 34f1a35..47f7d16 100644
--- a/mt7915/mt7915.h
+++ b/mt7915/mt7915.h
@@ -354,6 +354,9 @@ struct mt7915_phy {
struct mt7915_air_monitor_ctrl amnt_ctrl;
#endif
struct mt7915_scs_ctrl scs_ctrl;
+#ifdef MTK_DEBUG
+ bool sr_enable;
+#endif
};
#ifdef MTK_DEBUG
diff --git a/mt7915/mtk_debugfs.c b/mt7915/mtk_debugfs.c
index d3d3b17..78ac4e5 100644
--- a/mt7915/mtk_debugfs.c
+++ b/mt7915/mtk_debugfs.c
@@ -3809,16 +3809,34 @@ mt7915_sw_aci_set(void *data, u64 val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_sw_aci, NULL,
mt7915_sw_aci_set, "%llx\n");
+static int
+mt7915_sr_enable_get(void *data, u64 *enable)
+{
+ struct mt7915_phy *phy = data;
+
+ *enable = phy->sr_enable;
+
+ return 0;
+}
+
static int
mt7915_sr_enable_set(void *data, u64 val)
{
struct mt7915_phy *phy = data;
+ int ret;
+
+ if (!!val == phy->sr_enable)
+ return 0;
+
+ ret = mt7915_mcu_enable_obss_spr(phy, SPR_ENABLE, !!val);
+ if (ret)
+ return ret;
- return mt7915_mcu_enable_obss_spr(phy, SPR_ENABLE, val);
+ return mt7915_mcu_enable_obss_spr(phy, SPR_GET_ENABLE, 0);
}
-DEFINE_DEBUGFS_ATTRIBUTE(fops_sr_enable, NULL,
- mt7915_sr_enable_set, "%llx\n");
+DEFINE_DEBUGFS_ATTRIBUTE(fops_sr_enable, mt7915_sr_enable_get,
+ mt7915_sr_enable_set, "%llu\n");
static int
mt7915_scs_enable_set(void *data, u64 val)
@@ -3859,6 +3877,26 @@ mt7915_thermal_recal_set(void *data, u64 val)
DEFINE_DEBUGFS_ATTRIBUTE(fops_thermal_recal, NULL,
mt7915_thermal_recal_set, "%llu\n");
+static int
+mt7915_sr_stats_show(struct seq_file *file, void *data)
+{
+ struct mt7915_phy *phy = file->private;
+
+ return mt7915_mcu_enable_obss_spr(phy, SPR_GET_STATS, 0);
+}
+
+DEFINE_SHOW_ATTRIBUTE(mt7915_sr_stats);
+
+static int
+mt7915_sr_scene_cond_show(struct seq_file *file, void *data)
+{
+ struct mt7915_phy *phy = file->private;
+
+ return mt7915_mcu_enable_obss_spr(phy, SPR_GET_SCENE_COND, 0);
+}
+
+DEFINE_SHOW_ATTRIBUTE(mt7915_sr_scene_cond);
+
int mt7915_mtk_init_debugfs(struct mt7915_phy *phy, struct dentry *dir)
{
struct mt7915_dev *dev = phy->dev;
@@ -3951,9 +3989,11 @@ int mt7915_mtk_init_debugfs(struct mt7915_phy *phy, struct dentry *dir)
mt7915_show_eeprom_mode);
debugfs_create_file("sw_aci", 0600, dir, dev,
&fops_sw_aci);
- debugfs_create_file("sr_enable", 0200, dir, phy, &fops_sr_enable);
+ debugfs_create_file("sr_enable", 0600, dir, phy, &fops_sr_enable);
debugfs_create_file("scs_enable", 0200, dir, phy, &fops_scs_enable);
debugfs_create_file("thermal_recal", 0200, dir, dev, &fops_thermal_recal);
+ debugfs_create_file("sr_stats", 0400, dir, phy, &mt7915_sr_stats_fops);
+ debugfs_create_file("sr_scene_cond", 0400, dir, phy, &mt7915_sr_scene_cond_fops);
return 0;
}
--
2.18.0
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