Add debug counters to track status of beamformer and beamformee.
Signed-off-by: Ryder Lee <ryder.lee@xxxxxxxxxxxx>
---
.../wireless/mediatek/mt76/mt7915/debugfs.c | 45 +++++++++++++++++++
.../net/wireless/mediatek/mt76/mt7915/regs.h | 20 +++++++++
2 files changed, 65 insertions(+)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
index c6c009cd773e..ee0066fedd04 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
@@ -143,6 +143,48 @@ mt7915_ampdu_stat_read_phy(struct mt7915_phy *phy,
seq_printf(file, "BA miss count: %d\n", phy->mib.ba_miss_cnt);
}
+static void
+mt7915_txbf_stat_read_phy(struct mt7915_phy *phy, struct seq_file *s)
+{
+ struct mt7915_dev *dev = s->private;
+ bool ext_phy = phy != &dev->phy;
+ int cnt;
+
+ if (!phy)
+ return;
+
+ /* Tx Beamformer monitor */
+ seq_puts(s, "\nTx Beamformer applied PPDU counts: ");
+
+ cnt = mt76_rr(dev, MT_ETBF_TX_APP_CNT(ext_phy));
+ seq_printf(s, "iBF: %ld, eBF: %ld\n",
+ FIELD_GET(MT_ETBF_TX_IBF_CNT, cnt),
+ FIELD_GET(MT_ETBF_TX_EBF_CNT, cnt));
+
+ /* Tx Beamformer Rx feedback monitor */
+ seq_puts(s, "Tx Beamformer Rx feedback statistics: ");
+
+ cnt = mt76_rr(dev, MT_ETBF_RX_FB_CNT(ext_phy));
+ seq_printf(s, "All: %ld, HE: %ld, VHT: %ld, HT: %ld\n",
+ FIELD_GET(MT_ETBF_RX_FB_ALL, cnt),
+ FIELD_GET(MT_ETBF_RX_FB_HE, cnt),
+ FIELD_GET(MT_ETBF_RX_FB_VHT, cnt),
+ FIELD_GET(MT_ETBF_RX_FB_HT, cnt));
+
+ /* Tx Beamformee Rx NDPA & Tx feedback report */
+ cnt = mt76_rr(dev, MT_ETBF_TX_NDP_BFRP(ext_phy));
+ seq_printf(s, "Tx Beamformee sucessful feedback frames: %ld\n",
+ FIELD_GET(MT_ETBF_TX_FB_CPL, cnt));
+ seq_printf(s, "Tx Beamformee feedback triggerd counts: %ld\n",
+ FIELD_GET(MT_ETBF_TX_FB_TRI, cnt));
+
+ /* Tx SU counters */
+ cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy));
+ seq_printf(s, "Tx single-user sucessful MPDU counts: %d\n", cnt);
+
+ seq_puts(s, "\n");
+}
+
static int
mt7915_tx_stats_read(struct seq_file *file, void *data)
{
@@ -150,7 +192,10 @@ mt7915_tx_stats_read(struct seq_file *file, void *data)
int stat[8], i, n;
mt7915_ampdu_stat_read_phy(&dev->phy, file);
+ mt7915_txbf_stat_read_phy(&dev->phy, file);
+
mt7915_ampdu_stat_read_phy(mt7915_ext_phy(dev), file);
+ mt7915_txbf_stat_read_phy(mt7915_ext_phy(dev), file);
/* Tx amsdu info */
seq_puts(file, "Tx MSDU stat:\n");
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
index 6600fc625196..c121715f8bff 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -75,6 +75,24 @@
#define MT_DMA_DCR0_MAX_RX_LEN GENMASK(15, 3)
#define MT_DMA_DCR0_RXD_G5_EN BIT(23)
+/* ETBF: band 0(0x24000), band 1(0xa4000) */
+#define MT_WF_ETBF_BASE(_band) ((_band) ? 0xa4000 : 0x24000)
+#define MT_WF_ETBF(_band, ofs) (MT_WF_ETBF_BASE(_band) + (ofs))
+
+#define MT_ETBF_TX_NDP_BFRP(_band) MT_WF_ETBF(_band, 0x040)
+#define MT_ETBF_TX_FB_CPL GENMASK(31, 16)
+#define MT_ETBF_TX_FB_TRI GENMASK(15, 0)
+
+#define MT_ETBF_TX_APP_CNT(_band) MT_WF_ETBF(_band, 0x0f0)
+#define MT_ETBF_TX_IBF_CNT GENMASK(31, 16)
+#define MT_ETBF_TX_EBF_CNT GENMASK(15, 0)
+
+#define MT_ETBF_RX_FB_CNT(_band) MT_WF_ETBF(_band, 0x0f8)
+#define MT_ETBF_RX_FB_ALL GENMASK(31, 24)
+#define MT_ETBF_RX_FB_HE GENMASK(23, 16)
+#define MT_ETBF_RX_FB_VHT GENMASK(15, 8)
+#define MT_ETBF_RX_FB_HT GENMASK(7, 0)
+
/* LPON: band 0(0x24200), band 1(0xa4200) */
#define MT_WF_LPON_BASE(_band) ((_band) ? 0xa4200 : 0x24200)
#define MT_WF_LPON(_band, ofs) (MT_WF_LPON_BASE(_band) + (ofs))
@@ -104,6 +122,8 @@
#define MT_MIB_SDR37(_band) MT_WF_MIB(_band, 0x09c)
#define MT_MIB_SDR37_RXTIME_MASK GENMASK(23, 0)
+#define MT_MIB_DR11(_band) MT_WF_MIB(_band, 0x0cc)
+
#define MT_MIB_MB_SDR0(_band, n) MT_WF_MIB(_band, 0x100 + ((n) << 4))
#define MT_MIB_RTS_RETRIES_COUNT_MASK GENMASK(31, 16)
#define MT_MIB_RTS_COUNT_MASK GENMASK(15, 0)
--
2.18.0
