From: Lorenzo Bianconi <lorenzo@kernel.org>
To: greearb@candelatech.com
Cc: linux-wireless@vger.kernel.org
Subject: Re: [PATCH v3 1/8] mt76 - mt7915: Add ethtool stats support.
Date: Thu, 22 Jul 2021 22:52:40 +0200 [thread overview]
Message-ID: <YPnamPriMNJUV13Z@lore-desk> (raw)
In-Reply-To: <20210722202504.6180-1-greearb@candelatech.com>
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> From: Ben Greear <greearb@candelatech.com>
>
> 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@candelatech.com>
> ---
> v3: Clean up checkpatch warnings.
>
> .../wireless/mediatek/mt76/mt7915/debugfs.c | 135 ++++++++++++++++++
> .../net/wireless/mediatek/mt76/mt7915/main.c | 3 +
> .../wireless/mediatek/mt76/mt7915/mt7915.h | 12 ++
> 3 files changed, 150 insertions(+)
>
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
> index 1a48b09d0cb7..469028d641c7 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/debugfs.c
> @@ -382,4 +382,139 @@ void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
> {
> debugfs_create_file("fixed_rate", 0600, dir, sta, &fops_fixed_rate);
> }
> +
please remove the new line here
> #endif
> +
> +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_debug_get_et_strings(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif,
> + u32 sset, u8 *data)
> +{
> + if (sset == ETH_SS_STATS)
> + memcpy(data, *mt7915_gstrings_stats,
> + sizeof(mt7915_gstrings_stats));
> +}
> +
> +int mt7915_debug_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;
> +}
are these routine just used in main.c? if so I guess to move them there and
make them static
> +
> +void mt7915_debug_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);
> +}
> +
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/main.c b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
> index 48b5e2051bad..ed94e3c3c51d 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/main.c
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/main.c
> @@ -1052,6 +1052,9 @@ 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_debug_get_et_sset_count,
> + .get_et_stats = mt7915_debug_get_et_stats,
> + .get_et_strings = mt7915_debug_get_et_strings,
> .get_tsf = mt7915_get_tsf,
> .set_tsf = mt7915_set_tsf,
> .offset_tsf = mt7915_offset_tsf,
> diff --git a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
> index 33be449309e0..a3c78365db23 100644
> --- a/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
> +++ b/drivers/net/wireless/mediatek/mt76/mt7915/mt7915.h
> @@ -419,4 +419,16 @@ void mt7915_sta_add_debugfs(struct ieee80211_hw *hw, struct ieee80211_vif *vif,
> struct ieee80211_sta *sta, struct dentry *dir);
> #endif
>
> +/* Ethtool API, implementation found in debugfs.c */
> +void mt7915_debug_get_et_strings(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif,
> + u32 sset, u8 *data);
> +
> +int mt7915_debug_get_et_sset_count(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif, int sset);
> +
> +void mt7915_debug_get_et_stats(struct ieee80211_hw *hw,
> + struct ieee80211_vif *vif,
> + struct ethtool_stats *stats, u64 *data);
> +
> #endif
> --
> 2.20.1
>
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prev parent reply other threads:[~2021-07-22 20:52 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2021-07-22 20:24 [PATCH v3 1/8] mt76 - mt7915: Add ethtool stats support greearb
2021-07-22 20:24 ` [PATCH v3 2/8] mt76 - mt7915: Add tx stats gathered from tx-status callbacks greearb
2021-07-22 21:45 ` Lorenzo Bianconi
2021-07-22 20:24 ` [PATCH v3 3/8] mt76 - mt7915: Add some per-station tx stats to ethtool greearb
2021-07-22 21:46 ` Lorenzo Bianconi
2021-07-22 20:25 ` [PATCH v3 4/8] mt76 - mt7915: Add tx mu/su counters to mib greearb
2021-07-22 21:48 ` Lorenzo Bianconi
2021-07-22 20:25 ` [PATCH v3 5/8] mt76 - mt7915: Move more tx-bf stats " greearb
2021-07-22 20:25 ` [PATCH v3 6/8] mt76 - mt7915: Fix he_mcs capabilities for 160mhz greearb
2021-07-22 20:25 ` [PATCH v3 7/8] mt76 - mt7915: Add more MIB registers greearb
2021-07-22 20:25 ` [PATCH v3 8/8] mt76 - mt7915: Add mib counters to ethtool stats greearb
2021-07-22 20:52 ` Lorenzo Bianconi [this message]
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