> From: Ben Greear <greearb@xxxxxxxxxxxxxxx>
>
> This exposes some tx-path stats to the ethtool API, so that
> ethtool -S wlanX provides some more useful info.
>
> Signed-off-by: Ben Greear <greearb@xxxxxxxxxxxxxxx>
> ---
>
> v4: move ethtool code to main.c
> Re-work the 2/8 patch per review.
> Did not try to refactor the station walk per comments on 3/8, I saw
> no clean way to do that.
>
> .../net/wireless/mediatek/mt76/mt7915/main.c | 136 ++++++++++++++++++
> 1 file changed, 136 insertions(+)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
> index 48b5e2051bad..d0288fe2abdf 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
> @@ -1028,6 +1028,139 @@ static void mt7915_sta_set_decap_offload(struct ieee80211_hw *hw,
> mt7915_mcu_sta_update_hdr_trans(dev, vif, sta);
> }
>
> +static const char mt7915_gstrings_stats[][ETH_GSTRING_LEN] = {
> + "tx_ampdu_len:0-1",
> + "tx_ampdu_len:2-10",
> + "tx_ampdu_len:11-19",
> + "tx_ampdu_len:20-28",
> + "tx_ampdu_len:29-37",
> + "tx_ampdu_len:38-46",
> + "tx_ampdu_len:47-55",
> + "tx_ampdu_len:56-79",
> + "tx_ampdu_len:80-103",
> + "tx_ampdu_len:104-127",
> + "tx_ampdu_len:128-151",
> + "tx_ampdu_len:152-175",
> + "tx_ampdu_len:176-199",
> + "tx_ampdu_len:200-223",
> + "tx_ampdu_len:224-247",
> + "ba_miss_count",
> + "tx_beamformer_ppdu_iBF",
> + "tx_beamformer_ppdu_eBF",
> + "tx_beamformer_rx_feedback_all",
> + "tx_beamformer_rx_feedback_he",
> + "tx_beamformer_rx_feedback_vht",
> + "tx_beamformer_rx_feedback_ht",
> + "tx_beamformer_rx_feedback_bw", /* zero based idx: 20, 40, 80, 160 */
> + "tx_beamformer_rx_feedback_nc",
> + "tx_beamformer_rx_feedback_nr",
> + "tx_beamformee_ok_feedback_pkts",
> + "tx_beamformee_feedback_trig",
> + "tx_mu_beamforming",
> + "tx_mu_mpdu",
> + "tx_mu_successful_mpdu",
> + "tx_su_successful_mpdu",
> + "tx_msdu_pack_1",
> + "tx_msdu_pack_2",
> + "tx_msdu_pack_3",
> + "tx_msdu_pack_4",
> + "tx_msdu_pack_5",
> + "tx_msdu_pack_6",
> + "tx_msdu_pack_7",
> + "tx_msdu_pack_8",
> +};
> +
> +#define MT7915_SSTATS_LEN ARRAY_SIZE(mt7915_gstrings_stats)
> +
> +/* Ethtool related API */
> +void mt7915_get_et_strings(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif,
> + u32 sset, u8 *data)
please make them static
Regards,
Lorenzo
> +{
> + if (sset == ETH_SS_STATS)
> + memcpy(data, *mt7915_gstrings_stats,
> + sizeof(mt7915_gstrings_stats));
> +}
> +
> +int mt7915_get_et_sset_count(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif, int sset)
> +{
> + if (sset == ETH_SS_STATS)
> + return MT7915_SSTATS_LEN;
> +
> + return 0;
> +}
> +
> +void mt7915_get_et_stats(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif,
> + struct ethtool_stats *stats, u64 *data)
> +{
> + struct mt7915_dev *dev = mt7915_hw_dev(hw);
> + struct mt7915_phy *phy = mt7915_hw_phy(hw);
> +
> + /* TODO: These are mostly dev-wide stats at this point.
> + * Get some per-vif stats?
> + */
> +
> + /* See mt7915_ampdu_stat_read_phy, etc */
> + bool ext_phy = phy != &dev->phy;
> + int i, n, cnt;
> + int ei = 0;
> +
> + if (!phy)
> + return;
> +
> + /* Tx ampdu stat */
> + n = ext_phy ? ARRAY_SIZE(dev->mt76.aggr_stats) / 2 : 0;
> + for (i = 0; i < 15 /*ARRAY_SIZE(bound)*/; i++)
> + data[ei++] = dev->mt76.aggr_stats[i + n];
> +
> + data[ei++] = phy->mib.ba_miss_cnt;
> +
> + /* Tx Beamformer monitor */
> + cnt = mt76_rr(dev, MT_ETBF_TX_APP_CNT(ext_phy));
> + data[ei++] = FIELD_GET(MT_ETBF_TX_IBF_CNT, cnt);
> + data[ei++] = FIELD_GET(MT_ETBF_TX_EBF_CNT, cnt);
> +
> + /* Tx Beamformer Rx feedback monitor */
> + cnt = mt76_rr(dev, MT_ETBF_RX_FB_CNT(ext_phy));
> + data[ei++] = FIELD_GET(MT_ETBF_RX_FB_ALL, cnt);
> + data[ei++] = FIELD_GET(MT_ETBF_RX_FB_HE, cnt);
> + data[ei++] = FIELD_GET(MT_ETBF_RX_FB_VHT, cnt);
> + data[ei++] = FIELD_GET(MT_ETBF_RX_FB_HT, cnt);
> +
> + cnt = mt76_rr(dev, MT_ETBF_RX_FB_CONT(ext_phy));
> + data[ei++] = FIELD_GET(MT_ETBF_RX_FB_BW, cnt);
> + data[ei++] = FIELD_GET(MT_ETBF_RX_FB_NC, cnt);
> + data[ei++] = FIELD_GET(MT_ETBF_RX_FB_NR, cnt);
> +
> + /* Tx Beamformee Rx NDPA & Tx feedback report */
> + cnt = mt76_rr(dev, MT_ETBF_TX_NDP_BFRP(ext_phy));
> + data[ei++] = FIELD_GET(MT_ETBF_TX_FB_CPL, cnt);
> + data[ei++] = FIELD_GET(MT_ETBF_TX_FB_TRI, cnt);
> +
> + /* Tx SU & MU counters */
> + cnt = mt76_rr(dev, MT_MIB_SDR34(ext_phy));
> + data[ei++] = FIELD_GET(MT_MIB_MU_BF_TX_CNT, cnt);
> +
> + cnt = mt76_rr(dev, MT_MIB_DR8(ext_phy));
> + data[ei++] = cnt;
> +
> + cnt = mt76_rr(dev, MT_MIB_DR9(ext_phy));
> + data[ei++] = cnt; /* MU MPDU SUccessful */
> +
> + cnt = mt76_rr(dev, MT_MIB_DR11(ext_phy));
> + data[ei++] = cnt; /* SU MPDU successful */
> +
> + /* TODO: External phy too?? */
> +
> + /* Tx amsdu info (pack-count histogram) */
> + for (i = 0; i < 8; i++)
> + data[ei++] = mt76_rr(dev, MT_PLE_AMSDU_PACK_MSDU_CNT(i));
> +
> + WARN_ON(ei != MT7915_SSTATS_LEN);
> +}
> +
> const struct ieee80211_ops mt7915_ops = {
> .tx = mt7915_tx,
> .start = mt7915_start,
> @@ -1052,6 +1185,9 @@ const struct ieee80211_ops mt7915_ops = {
> .get_txpower = mt76_get_txpower,
> .channel_switch_beacon = mt7915_channel_switch_beacon,
> .get_stats = mt7915_get_stats,
> + .get_et_sset_count = mt7915_get_et_sset_count,
> + .get_et_stats = mt7915_get_et_stats,
> + .get_et_strings = mt7915_get_et_strings,
> .get_tsf = mt7915_get_tsf,
> .set_tsf = mt7915_set_tsf,
> .offset_tsf = mt7915_offset_tsf,
> --
> 2.20.1
>
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