From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
Add some per-phy counters for rx errors in the driver.
Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
---
.../net/wireless/mediatek/mt76/mt7915/mac.c | 48 ++++++++++++++-----
.../net/wireless/mediatek/mt76/mt7915/main.c | 22 +++++++++
.../wireless/mediatek/mt76/mt7915/mt7915.h | 11 +++++
3 files changed, 70 insertions(+), 11 deletions(-)
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index ca6748d67ce0..408121c4260f 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -488,6 +488,7 @@ mt7915_mac_fill_rx_rate(struct mt7915_dev *dev,
struct mt76_rx_status *status,
struct ieee80211_supported_band *sband,
__le32 *rxv, u8 *mode, u8 *nss,
+ struct mib_stats *mib,
struct mt76_sta_stats *stats)
{
u32 v0, v2;
@@ -527,15 +528,19 @@ mt7915_mac_fill_rx_rate(struct mt7915_dev *dev,
status->encoding = RX_ENC_HT;
if (gi)
status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
- if (i > 31)
+ if (i > 31) {
+ mib->rx_d_bad_ht_rix++;
return -EINVAL;
+ }
break;
case MT_PHY_TYPE_VHT:
status->encoding = RX_ENC_VHT;
if (gi)
status->enc_flags |= RX_ENC_FLAG_SHORT_GI;
- if (i > 11)
+ if (i > 11) {
+ mib->rx_d_bad_vht_rix++;
return -EINVAL;
+ }
break;
case MT_PHY_TYPE_HE_MU:
case MT_PHY_TYPE_HE_SU:
@@ -550,6 +555,7 @@ mt7915_mac_fill_rx_rate(struct mt7915_dev *dev,
status->he_dcm = dcm;
break;
default:
+ mib->rx_d_bad_mode++;
return -EINVAL;
}
status->rate_idx = i;
@@ -587,6 +593,7 @@ mt7915_mac_fill_rx_rate(struct mt7915_dev *dev,
stats->rx_bw_160++;
break;
default:
+ mib->rx_d_bad_bw++;
return -EINVAL;
}
@@ -642,9 +649,12 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
__le16 fc = 0;
int idx;
struct mt76_sta_stats *stats = NULL;
+ struct mib_stats *mib = &phy->mib;
memset(status, 0, sizeof(*status));
+ mib->rx_d_skb++;
+
if ((rxd1 & MT_RXD1_NORMAL_BAND_IDX) && !phy->band_idx) {
mphy = dev->mt76.phy2;
if (!mphy)
@@ -657,8 +667,10 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
if (!test_bit(MT76_STATE_RUNNING, &mphy->state))
return -EINVAL;
- if (rxd2 & MT_RXD2_NORMAL_AMSDU_ERR)
+ if (rxd2 & MT_RXD2_NORMAL_AMSDU_ERR) {
+ mib->rx_d_rxd2_amsdu_err++;
return -EINVAL;
+ }
hdr_trans = rxd2 & MT_RXD2_NORMAL_HDR_TRANS;
if (hdr_trans && (rxd1 & MT_RXD1_NORMAL_CM))
@@ -692,8 +704,10 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
else
sband = &mphy->sband_2g.sband;
- if (!sband->channels)
+ if (!sband->channels) {
+ mib->rx_d_null_channels++;
return -EINVAL;
+ }
if ((rxd0 & csum_mask) == csum_mask)
skb->ip_summed = CHECKSUM_UNNECESSARY;
@@ -713,8 +727,10 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
remove_pad = FIELD_GET(MT_RXD2_NORMAL_HDR_OFFSET, rxd2);
- if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR)
+ if (rxd2 & MT_RXD2_NORMAL_MAX_LEN_ERROR) {
+ mib->rx_d_max_len_err++;
return -EINVAL;
+ }
rxd += 6;
if (rxd1 & MT_RXD1_NORMAL_GROUP_4) {
@@ -726,8 +742,10 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
seq_ctrl = FIELD_GET(MT_RXD8_SEQ_CTRL, v2);
rxd += 4;
- if ((u8 *)rxd - skb->data >= skb->len)
+ if ((u8 *)rxd - skb->data >= skb->len) {
+ mib->rx_d_too_short++;
return -EINVAL;
+ }
}
if (rxd1 & MT_RXD1_NORMAL_GROUP_1) {
@@ -758,8 +776,10 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
}
}
rxd += 4;
- if ((u8 *)rxd - skb->data >= skb->len)
+ if ((u8 *)rxd - skb->data >= skb->len) {
+ mib->rx_d_too_short++;
return -EINVAL;
+ }
}
if (rxd1 & MT_RXD1_NORMAL_GROUP_2) {
@@ -781,8 +801,10 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
}
rxd += 2;
- if ((u8 *)rxd - skb->data >= skb->len)
+ if ((u8 *)rxd - skb->data >= skb->len) {
+ mib->rx_d_too_short++;
return -EINVAL;
+ }
}
/* RXD Group 3 - P-RXV */
@@ -794,8 +816,10 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
rxv = rxd; /* DW16 assuming group 1,2,3,4 */
rxd += 2;
- if ((u8 *)rxd - skb->data >= skb->len)
+ if ((u8 *)rxd - skb->data >= skb->len) {
+ mib->rx_d_too_short++;
return -EINVAL;
+ }
v0 = le32_to_cpu(rxv[0]); /* DW16, P-VEC1 31:0 */
/* DW17, RX_RCPI copied over P-VEC 64:32 Per RX Format doc. */
@@ -816,13 +840,15 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
/* RXD Group 5 - C-RXV */
if (rxd1 & MT_RXD1_NORMAL_GROUP_5) {
rxd += 18;
- if ((u8 *)rxd - skb->data >= skb->len)
+ if ((u8 *)rxd - skb->data >= skb->len) {
+ mib->rx_d_too_short++;
return -EINVAL;
+ }
}
if (!is_mt7915(&dev->mt76) || (rxd1 & MT_RXD1_NORMAL_GROUP_5)) {
ret = mt7915_mac_fill_rx_rate(dev, status, sband, rxv,
- &mode, &nss, stats);
+ &mode, &nss, mib, stats);
if (ret < 0)
return ret;
} else {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index db3c32eebb04..b99a667ff251 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -1157,6 +1157,17 @@ static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = {
"rx_vec_queue_overflow_drop_cnt",
"rx_ba_cnt",
+ /* driver rx counters */
+ "d_rx_skb",
+ "d_rx_rxd2_amsdu_err",
+ "d_rx_null_channels",
+ "d_rx_max_len_err",
+ "d_rx_too_short",
+ "d_rx_bad_ht_rix",
+ "d_rx_bad_vht_rix",
+ "d_rx_bad_mode",
+ "d_rx_bad_bw",
+
/* per vif counters */
"v_tx_mpdu_attempts", /* counting any retries */
"v_tx_mpdu_fail", /* frames that failed even after retry */
@@ -1323,6 +1334,17 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw,
data[ei++] = mib->rx_vec_queue_overflow_drop_cnt;
data[ei++] = mib->rx_ba_cnt;
+ /* rx stats from driver */
+ data[ei++] = mib->rx_d_skb;
+ data[ei++] = mib->rx_d_rxd2_amsdu_err;
+ data[ei++] = mib->rx_d_null_channels;
+ data[ei++] = mib->rx_d_max_len_err;
+ data[ei++] = mib->rx_d_too_short;
+ data[ei++] = mib->rx_d_bad_ht_rix;
+ data[ei++] = mib->rx_d_bad_vht_rix;
+ data[ei++] = mib->rx_d_bad_mode;
+ data[ei++] = mib->rx_d_bad_bw;
+
/* Add values for all stations owned by this vif */
wi.initial_stat_idx = ei;
ieee80211_iterate_stations_atomic(hw, mt7915_ethtool_worker, &wi);
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index 39757e7f00e7..c5401e6e3cda 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -216,6 +216,17 @@ struct mib_stats {
u32 tx_amsdu[8];
u32 tx_amsdu_cnt;
+
+ /* rx stats from the driver */
+ u32 rx_d_skb; /* total skb received in rx path */
+ u32 rx_d_rxd2_amsdu_err;
+ u32 rx_d_null_channels;
+ u32 rx_d_max_len_err;
+ u32 rx_d_too_short;
+ u32 rx_d_bad_ht_rix;
+ u32 rx_d_bad_vht_rix;
+ u32 rx_d_bad_mode;
+ u32 rx_d_bad_bw;
};
struct mt7915_hif {
--
2.20.1
