From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Add some new stats read from MIB registers, including
rx-mu-vht histogram data.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7915/mac.c | 45 ++++++++++-
.../net/wireless/mediatek/mt76/mt7915/main.c | 77 ++++++++++++++++++-
.../wireless/mediatek/mt76/mt7915/mt7915.h | 12 +++
.../net/wireless/mediatek/mt76/mt7915/regs.h | 47 +++++++++++
4 files changed, 179 insertions(+), 2 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 44c76f7480f5..ba1c71bee149 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -2139,7 +2139,7 @@ mt7915_mac_update_stats(struct mt7915_phy *phy)
struct mt7915_dev *dev = phy->dev;
struct mib_stats *mib = &phy->mib;
bool ext_phy = phy != &dev->phy;
- int i, aggr0, aggr1, cnt;
+ int i, q, aggr0, aggr1, cnt;
mib->fcs_err_cnt += mt76_get_field(dev, MT_MIB_SDR3(ext_phy),
MT_MIB_SDR3_FCS_ERR_MASK);
@@ -2212,6 +2212,26 @@ mt7915_mac_update_stats(struct mt7915_phy *phy)
cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy));
mib->tx_bf_cnt += FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt);
+ cnt = mt76_rr(dev, MT_MIB_SDR38(ext_phy));
+ mib->tx_mgt_frame_cnt += FIELD_GET(MT_MIB_CTRL_TX_CNT, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_SDR39(ext_phy));
+ mib->tx_mgt_frame_retry_cnt += FIELD_GET(MT_MIB_MGT_RETRY_CNT, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_SDR40(ext_phy));
+ mib->tx_data_frame_retry_cnt += FIELD_GET(MT_MIB_DATA_RETRY_CNT, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_SDR42(ext_phy));
+ mib->rx_partial_beacon_cnt += FIELD_GET(MT_MIB_RX_PARTIAL_BEACON_BSSID0, cnt);
+ mib->rx_partial_beacon_cnt += FIELD_GET(MT_MIB_RX_PARTIAL_BEACON_BSSID1, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_SDR43(ext_phy));
+ mib->rx_partial_beacon_cnt += FIELD_GET(MT_MIB_RX_PARTIAL_BEACON_BSSID2, cnt);
+ mib->rx_partial_beacon_cnt += FIELD_GET(MT_MIB_RX_PARTIAL_BEACON_BSSID3, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_SDR46(ext_phy));
+ mib->rx_oppo_ps_rx_dis_drop_cnt += FIELD_GET(MT_MIB_OPPO_PS_RX_DIS_DROP_COUNT, cnt);
+
cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy));
mib->tx_mu_mpdu_cnt += cnt;
@@ -2267,6 +2287,29 @@ mt7915_mac_update_stats(struct mt7915_phy *phy)
for (i = 0; i < ARRAY_SIZE(mib->tx_amsdu_pack_stats); i++)
mib->tx_amsdu_pack_stats[i] += mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i));
+ cnt = mt76_rr(dev, MT_MIB_M0DROPSR00(ext_phy));
+ mib->tx_drop_rts_retry_fail_cnt += FIELD_GET(MT_MIB_RTS_RETRY_FAIL_DROP_MASK, cnt);
+ mib->tx_drop_mpdu_retry_fail_cnt += FIELD_GET(MT_MIB_RTS_RETRY_FAIL_DROP_MASK, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_M0DROPSR01(ext_phy));
+ mib->tx_drop_lto_limit_fail_cnt += FIELD_GET(MT_MIB_LTO_FAIL_DROP_MASK, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_SDR50(ext_phy));
+ mib->tx_dbnss_cnt += FIELD_GET(MT_MIB_DBNSS_CNT_DROP_MASK, cnt);
+
+ cnt = mt76_rr(dev, MT_MIB_SDR51(ext_phy));
+ mib->rx_fcs_ok_cnt += FIELD_GET(MT_MIB_RX_FCS_OK_MASK, cnt);
+
+ for (i = 0; i < 2; i++) {
+ for (q = 0; q < 10; q++) {
+ cnt = mt76_rr(dev, MT_MIB_VHT_RX_FCS_HISTOGRAM(ext_phy, i, q));
+ mib->rx_mu_fcs_ok_hist[i][q] +=
+ FIELD_GET(MT_MIB_VHT_RX_FCS_HIST_OK_MASK, cnt);
+ mib->rx_mu_fcs_err_hist[i][q] +=
+ FIELD_GET(MT_MIB_VHT_RX_FCS_HIST_ERR_MASK, cnt);
+ }
+ }
+
}
void mt7915_mac_sta_rc_work(struct work_struct *work)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index fa9e3fd9bb4b..0c49b86c5058 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -1081,6 +1081,13 @@ static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = {
"tx_msdu_pack_6",
"tx_msdu_pack_7",
"tx_msdu_pack_8",
+ "tx_mgt_frame", /* SDR38, management frame tx counter */
+ "tx_mgt_frame_retry", /* SDR39, management frame retried counter */
+ "tx_data_frame_retry", /* SDR40, data frame retried counter */
+ "tx_drop_rts_retry_fail", /* TX Drop, RTS retries exhausted */
+ "tx_drop_mpdu_retry_fail", /* TX Drop, MPDU retries exhausted */
+ "tx_drop_lto_limit_fail", /* TX drop, Life Time Out limit reached. */
+ "tx_dbnss", /* pkts TX using double number of spatial streams */
/* rx counters */
"rx_fifo_full_cnt",
@@ -1097,6 +1104,54 @@ static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = {
"rx_pfdrop_cnt",
"rx_vec_queue_overflow_drop_cnt",
"rx_ba_cnt",
+ "rx_partial_beacon",
+ "rx_oppo_ps_rx_dis_drop",
+ "rx_fcs_ok",
+
+ /* rx MU VHT histogram */
+ "rx_mu_fcs_ok_nss1_mcs0",
+ "rx_mu_fcs_ok_nss1_mcs1",
+ "rx_mu_fcs_ok_nss1_mcs2",
+ "rx_mu_fcs_ok_nss1_mcs3",
+ "rx_mu_fcs_ok_nss1_mcs4",
+ "rx_mu_fcs_ok_nss1_mcs5",
+ "rx_mu_fcs_ok_nss1_mcs6",
+ "rx_mu_fcs_ok_nss1_mcs7",
+ "rx_mu_fcs_ok_nss1_mcs8",
+ "rx_mu_fcs_ok_nss1_mcs9",
+
+ "rx_mu_fcs_ok_nss2_mcs0",
+ "rx_mu_fcs_ok_nss2_mcs1",
+ "rx_mu_fcs_ok_nss2_mcs2",
+ "rx_mu_fcs_ok_nss2_mcs3",
+ "rx_mu_fcs_ok_nss2_mcs4",
+ "rx_mu_fcs_ok_nss2_mcs5",
+ "rx_mu_fcs_ok_nss2_mcs6",
+ "rx_mu_fcs_ok_nss2_mcs7",
+ "rx_mu_fcs_ok_nss2_mcs8",
+ "rx_mu_fcs_ok_nss2_mcs9",
+
+ "rx_mu_fcs_err_nss1_mcs0",
+ "rx_mu_fcs_err_nss1_mcs1",
+ "rx_mu_fcs_err_nss1_mcs2",
+ "rx_mu_fcs_err_nss1_mcs3",
+ "rx_mu_fcs_err_nss1_mcs4",
+ "rx_mu_fcs_err_nss1_mcs5",
+ "rx_mu_fcs_err_nss1_mcs6",
+ "rx_mu_fcs_err_nss1_mcs7",
+ "rx_mu_fcs_err_nss1_mcs8",
+ "rx_mu_fcs_err_nss1_mcs9",
+
+ "rx_mu_fcs_err_nss2_mcs0",
+ "rx_mu_fcs_err_nss2_mcs1",
+ "rx_mu_fcs_err_nss2_mcs2",
+ "rx_mu_fcs_err_nss2_mcs3",
+ "rx_mu_fcs_err_nss2_mcs4",
+ "rx_mu_fcs_err_nss2_mcs5",
+ "rx_mu_fcs_err_nss2_mcs6",
+ "rx_mu_fcs_err_nss2_mcs7",
+ "rx_mu_fcs_err_nss2_mcs8",
+ "rx_mu_fcs_err_nss2_mcs9",
/* driver rx counters */
"d_rx_skb",
@@ -1264,7 +1319,7 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw,
/* See mt7915_ampdu_stat_read_phy, etc */
bool ext_phy = phy != &dev->phy;
- int i, n;
+ int i, n, q;
int ei = 0;
if (!phy)
@@ -1322,6 +1377,14 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw,
for (i = 0; i < 8; i++)
data[ei++] = mib->tx_amsdu_pack_stats[i];
+ data[ei++] = mib->tx_mgt_frame_cnt;
+ data[ei++] = mib->tx_mgt_frame_retry_cnt;
+ data[ei++] = mib->tx_data_frame_retry_cnt;
+ data[ei++] = mib->tx_drop_rts_retry_fail_cnt;
+ data[ei++] = mib->tx_drop_mpdu_retry_fail_cnt;
+ data[ei++] = mib->tx_drop_lto_limit_fail_cnt;
+ data[ei++] = mib->tx_dbnss_cnt;
+
/* rx counters */
data[ei++] = mib->rx_fifo_full_cnt; /* group-5 might exacerbate this */
data[ei++] = mib->rx_oor_cnt;
@@ -1337,6 +1400,18 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw,
data[ei++] = mib->rx_pfdrop_cnt;
data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
data[ei++] = mib->rx_ba_cnt;
+ data[ei++] = mib->rx_partial_beacon_cnt;
+ data[ei++] = mib->rx_oppo_ps_rx_dis_drop_cnt;
+ data[ei++] = mib->rx_fcs_ok_cnt;
+
+ for (i = 0; i < 2; i++) { /* for each nss */
+ for (q = 0; q < 10; q++) /* for each mcs */
+ data[ei++] = mib->rx_mu_fcs_ok_hist[i][q];
+ }
+ for (i = 0; i < 2; i++) { /* for each nss */
+ for (q = 0; q < 10; q++) /* for each mcs */
+ data[ei++] = mib->rx_mu_fcs_err_hist[i][q];
+ }
/* rx stats from driver */
data[ei++] = mib->rx_d_skb;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 4515d42e5f74..34c8e7a3b317 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -165,6 +165,13 @@ struct mib_stats {
u32 tx_rwp_fail_cnt;
u32 tx_rwp_need_cnt;
u32 tx_amsdu_pack_stats[8]; /* histogram of how many sub-frames in amsdu */
+ u32 tx_mgt_frame_cnt;
+ u32 tx_mgt_frame_retry_cnt;
+ u32 tx_data_frame_retry_cnt;
+ u32 tx_drop_rts_retry_fail_cnt;
+ u32 tx_drop_mpdu_retry_fail_cnt;
+ u32 tx_drop_lto_limit_fail_cnt;
+ u32 tx_dbnss_cnt;
/* rx stats */
u32 rx_fifo_full_cnt;
@@ -181,6 +188,11 @@ struct mib_stats {
u32 rx_pfdrop_cnt;
u32 rx_vec_queue_overflow_drop_cnt;
u32 rx_ba_cnt;
+ u32 rx_partial_beacon_cnt;
+ u32 rx_oppo_ps_rx_dis_drop_cnt;
+ u32 rx_fcs_ok_cnt;
+ u32 rx_mu_fcs_ok_hist[2][10]; /* nss, mcs */
+ u32 rx_mu_fcs_err_hist[2][10]; /* nss, mcs */
/* rx stats from the driver */
u32 rx_d_skb; /* total skb received in rx path */
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
index 6898cbe34470..8c559c78860b 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/regs.h
@@ -247,6 +247,29 @@
/* 36, 37 both DNR */
+#define MT_MIB_SDR38(_band) MT_WF_MIB(_band, 0x0d0)
+#define MT_MIB_CTRL_TX_CNT GENMASK(23, 0)
+
+#define MT_MIB_SDR39(_band) MT_WF_MIB(_band, 0x0d4)
+#define MT_MIB_MGT_RETRY_CNT GENMASK(23, 0)
+
+#define MT_MIB_SDR40(_band) MT_WF_MIB(_band, 0x0d8)
+#define MT_MIB_DATA_RETRY_CNT GENMASK(23, 0)
+
+#define MT_MIB_SDR42(_band) MT_WF_MIB(_band, 0x0e0)
+#define MT_MIB_RX_PARTIAL_BEACON_BSSID0 GENMASK(15, 0)
+#define MT_MIB_RX_PARTIAL_BEACON_BSSID1 GENMASK(31, 16)
+
+#define MT_MIB_SDR43(_band) MT_WF_MIB(_band, 0x0e4)
+#define MT_MIB_RX_PARTIAL_BEACON_BSSID2 GENMASK(15, 0)
+#define MT_MIB_RX_PARTIAL_BEACON_BSSID3 GENMASK(31, 16)
+
+/* This counter shall increment when PPDUs dropped by the oppo_ps_rx_dis
+ * mechanism
+ */
+#define MT_MIB_SDR46(_band) MT_WF_MIB(_band, 0x0f0)
+#define MT_MIB_OPPO_PS_RX_DIS_DROP_COUNT GENMASK(15, 0)
+
#define MT_MIB_DR8(_band) MT_WF_MIB(_band, 0x0c0)
#define MT_MIB_DR9(_band) MT_WF_MIB(_band, 0x0c4)
#define MT_MIB_DR11(_band) MT_WF_MIB(_band, 0x0cc)
@@ -264,6 +287,30 @@
#define MT_MIB_ARNG(_band, n) MT_WF_MIB(_band, 0x4b8 + ((n) << 2))
#define MT_MIB_ARNCR_RANGE(val, n) (((val) >> ((n) << 3)) & GENMASK(7, 0))
+/* drop due to retries being exhausted */
+#define MT_MIB_M0DROPSR00(_band) MT_WF_MIB(_band, 0x190)
+#define MT_MIB_RTS_RETRY_FAIL_DROP_MASK GENMASK(15, 0)
+#define MT_MIB_MPDU_RETRY_FAIL_DROP_MASK GENMASK(31, 16)
+
+/* life time out limit */
+#define MT_MIB_M0DROPSR01(_band) MT_WF_MIB(_band, 0x194)
+#define MT_MIB_LTO_FAIL_DROP_MASK GENMASK(15, 0)
+
+/* increment when using double number of spatial streams */
+#define MT_MIB_SDR50(_band) MT_WF_MIB(_band, 0x1dc)
+#define MT_MIB_DBNSS_CNT_DROP_MASK GENMASK(15, 0)
+
+/* NOTE: Would need to poll this quickly since it is 16-bit */
+#define MT_MIB_SDR51(_band) MT_WF_MIB(_band, 0x1e0)
+#define MT_MIB_RX_FCS_OK_MASK GENMASK(15, 0)
+
+/* VHT MU rx fcs ok, fcs fail. NSS: 0,1 MCS: 0..9 */
+#define MT_MIB_VHT_RX_FCS_HISTOGRAM_BASE_M0NSS1MCS0(_band) MT_WF_MIB(_band, 0x400)
+#define MT_MIB_VHT_RX_FCS_HIST_OK_MASK GENMASK(15, 0)
+#define MT_MIB_VHT_RX_FCS_HIST_ERR_MASK GENMASK(31, 16)
+#define MT_MIB_VHT_RX_FCS_HISTOGRAM(_band, nss, mcs) \
+ (MT_MIB_VHT_RX_FCS_HISTOGRAM_BASE_M0NSS1MCS0(_band) + (nss) * 4 + (mcs))
+
#define MT_WTBLON_TOP_BASE 0x34000
#define MT_WTBLON_TOP(ofs) (MT_WTBLON_TOP_BASE + (ofs))
#define MT_WTBLON_TOP_WDUCR MT_WTBLON_TOP(0x0)
--
2.20.1
