2021-11-18 16:41:41

by Ben Greear

[permalink] [raw]
Subject: [PATCH 08/11] mt76: mt7915: add ethtool tx/rx pkts/bytes

From: Ben Greear <[email protected]>

These stats are provided with same name by ath10k
and some intel wired NIC drivers. Add them to mt7915
as well to allow user-space code to more easily get some
basic stats out of the radio.

Signed-off-by: Ben Greear <[email protected]>
---
drivers/net/wireless/mediatek/mt76/mt7915/mac.c | 7 +++++++
drivers/net/wireless/mediatek/mt76/mt7915/main.c | 11 +++++++++++
drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h | 7 +++++++
3 files changed, 25 insertions(+)

diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
index 300928edd0d7..a97b4e64f74d 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mac.c
@@ -782,6 +782,9 @@ mt7915_mac_fill_rx(struct mt7915_dev *dev, struct sk_buff *skb)
mt7915_mac_decode_he_mu_radiotap(skb, status, rxv);
}

+ mib->rx_pkts_nic++;
+ mib->rx_bytes_nic += skb->len;
+
if (!status->wcid || !ieee80211_is_data_qos(fc))
return 0;

@@ -1384,6 +1387,8 @@ mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t,
u16 wcid_idx;
struct ieee80211_tx_info *info;
struct ieee80211_tx_rate *rate;
+ struct mt7915_phy *phy = &dev->phy;
+ struct mib_stats *mib = &phy->mib;

mt7915_txp_skb_unmap(mdev, t);
if (!t->skb)
@@ -1465,6 +1470,8 @@ mt7915_txwi_free(struct mt7915_dev *dev, struct mt76_txwi_cache *t,
/* Apply the values that this txfree path reports */
rate->count = tx_cnt;
if (tx_status == 0) {
+ mib->tx_pkts_nic++;
+ mib->tx_bytes_nic += t->skb->len;
info->flags |= IEEE80211_TX_STAT_ACK;
info->status.ampdu_ack_len = 1;
} else {
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
index f6c334721bca..c4eee951699e 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
@@ -1077,6 +1077,10 @@ static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw,
}

static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = {
+ "tx_pkts_nic", /* from driver, phy tx-ok skb */
+ "tx_bytes_nic", /* from driver, phy tx-ok bytes */
+ "rx_pkts_nic", /* from driver, phy rx OK skb */
+ "rx_bytes_nic", /* from driver, phy rx OK bytes */
"tx_ampdu_cnt",
"tx_stop_q_empty_cnt",
"tx_mpdu_attempts",
@@ -1259,6 +1263,13 @@ void mt7915_get_et_stats(struct ieee80211_hw *hw,

mt7915_mac_update_stats(phy);

+ /* driver phy-wide stats */
+ data[ei++] = mib->tx_pkts_nic;
+ data[ei++] = mib->tx_bytes_nic;
+ data[ei++] = mib->rx_pkts_nic;
+ data[ei++] = mib->rx_bytes_nic;
+
+ /* MIB stats from FW/HW */
data[ei++] = mib->tx_ampdu_cnt;
data[ei++] = mib->tx_stop_q_empty_cnt;
data[ei++] = mib->tx_mpdu_attempts_cnt;
diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
index bcbc8496516e..60881b357399 100644
--- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
+++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
@@ -138,6 +138,13 @@ struct mt7915_vif {

/* per-phy stats. */
struct mib_stats {
+ /* phy wide driver stats */
+ u32 tx_pkts_nic; /* tx OK skb */
+ u32 tx_bytes_nic; /* tx OK bytes */
+ u32 rx_pkts_nic; /* rx OK skb */
+ u32 rx_bytes_nic; /* rx OK bytes */
+
+ /* MIB counters from FW/HW */
u32 ack_fail_cnt;
u32 fcs_err_cnt;
u32 rts_cnt;
--
2.20.1