From babdad50f781c21c2e5511bf406dbb9728da05cb Mon Sep 17 00:00:00 2001 From: Ryder Lee Date: Tue, 12 May 2020 00:06:36 +0800 Subject: mt76: mt7915: add debugfs to track TxBF status Add debug counters to track status of beamformer and beamformee. Signed-off-by: Ryder Lee Signed-off-by: Felix Fietkau --- .../net/wireless/mediatek/mt76/mt7915/debugfs.c | 45 ++++++++++++++++++++++ drivers/net/wireless/mediatek/mt76/mt7915/regs.h | 20 ++++++++++ 2 files changed, 65 insertions(+) (limited to 'drivers/net/wireless/mediatek') 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) -- cgit v1.2.3