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