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* [PATCH v2] ath11k: Fix rx_duration reporting
@ 2019-06-26 11:22 Ganesh Sesetti
  2019-06-26 14:34 ` Kalle Valo
  0 siblings, 1 reply; 2+ messages in thread
From: Ganesh Sesetti @ 2019-06-26 11:22 UTC (permalink / raw)
  To: ath11k; +Cc: Ganesh Sesetti

Since rx duration is wrongly reported in iw wlanX station dump,
fetch correct rx duration reported in PPDU_END tlv.
Enable PPDU_END, MPDU_START and PPDU_END_STATUS_DONE tlv
reporting in monitor status by default. Pass the sta's Rx duration
to mac80211 in sta_statistics() ops.

Signed-off-by: Ganesh Sesetti <gseset@codeaurora.org>
---

changes in v2:
	- rebased to patch

 drivers/net/wireless/ath/ath11k/core.h        | 1 +
 drivers/net/wireless/ath/ath11k/debugfs_sta.c | 2 ++
 drivers/net/wireless/ath/ath11k/dp_rx.c       | 2 ++
 drivers/net/wireless/ath/ath11k/hal_rx.c      | 8 ++++++++
 drivers/net/wireless/ath/ath11k/hal_rx.h      | 8 ++++++++
 drivers/net/wireless/ath/ath11k/mac.c         | 4 +++-
 6 files changed, 24 insertions(+), 1 deletion(-)

diff --git a/drivers/net/wireless/ath/ath11k/core.h b/drivers/net/wireless/ath/ath11k/core.h
index af5c66fe7216..711e24471605 100644
--- a/drivers/net/wireless/ath/ath11k/core.h
+++ b/drivers/net/wireless/ath/ath11k/core.h
@@ -237,6 +237,7 @@ struct ath11k_rx_peer_stats {
 	u64 tid_count[IEEE80211_NUM_TIDS + 1];
 	u64 pream_cnt[HAL_RX_PREAMBLE_MAX];
 	u64 reception_type[HAL_RX_RECEPTION_TYPE_MAX];
+	u64 rx_duration;
 };
 
 #define ATH11K_HE_MCS_NUM       12
diff --git a/drivers/net/wireless/ath/ath11k/debugfs_sta.c b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
index 4a30293bbae4..fb1ed4b039a3 100644
--- a/drivers/net/wireless/ath/ath11k/debugfs_sta.c
+++ b/drivers/net/wireless/ath/ath11k/debugfs_sta.c
@@ -389,6 +389,8 @@ static ssize_t ath11k_dbg_sta_dump_rx_stats(struct file *file,
 	len += scnprintf(buf + len, size - len, "\nNSS(1-8):");
 	for (i = 0; i < HAL_RX_MAX_NSS; i++)
 		len += scnprintf(buf + len, size - len, "%llu ", rx_stats->nss_count[i]);
+	len += scnprintf(buf + len, size - len, "\nRX Duration:%llu ",
+			 rx_stats->rx_duration);
 	len += scnprintf(buf + len, size - len, "\n");
 
 	spin_unlock_bh(&ar->ab->data_lock);
diff --git a/drivers/net/wireless/ath/ath11k/dp_rx.c b/drivers/net/wireless/ath/ath11k/dp_rx.c
index 14a20f39ed10..f9f7ed88350c 100644
--- a/drivers/net/wireless/ath/ath11k/dp_rx.c
+++ b/drivers/net/wireless/ath/ath11k/dp_rx.c
@@ -2371,6 +2371,7 @@ static void ath11k_dp_rx_update_peer_stats(struct ath11k_sta *arsta,
 	rx_stats->num_mpdu_fcs_err += ppdu_info->num_mpdu_fcs_err;
 
 	arsta->rssi_comb = ppdu_info->rssi_comb;
+	rx_stats->rx_duration = ppdu_info->rx_duration;
 }
 
 static struct sk_buff *ath11k_dp_rx_alloc_mon_status_buf(struct ath11k_base *ab,
@@ -2623,6 +2624,7 @@ int ath11k_dp_rx_process_mon_status(struct ath11k_base *ab, int mac_id,
 		}
 
 		arsta = (struct ath11k_sta *)peer->sta->drv_priv;
+		arsta->rx_duration = ppdu_info.rx_duration;
 		ath11k_dp_rx_update_peer_stats(arsta, &ppdu_info);
 
 		if (ath11k_debug_is_pktlog_peer_valid(ar, peer->addr))
diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.c b/drivers/net/wireless/ath/ath11k/hal_rx.c
index d3c1f8f3e714..36875bfe4d1b 100644
--- a/drivers/net/wireless/ath/ath11k/hal_rx.c
+++ b/drivers/net/wireless/ath/ath11k/hal_rx.c
@@ -1150,6 +1150,14 @@ void ath11k_hal_reo_hw_setup(struct ath11k_base *ab,
 			ppdu_info->peer_id = peer_id;
 		break;
 	}
+	case HAL_RXPCU_PPDU_END_INFO: {
+		struct hal_rx_ppdu_end_duration *ppdu_rx_duration =
+			(struct hal_rx_ppdu_start *)tlv_data;
+		ppdu_info->rx_duration =
+			FIELD_GET(HAL_RX_PPDU_END_DURATION,
+				  __le32_to_cpu(ppdu_rx_duration->info0));
+		break;
+	}
 	case HAL_DUMMY:
 		return HAL_RX_MON_STATUS_BUF_DONE;
 	case HAL_RX_PPDU_END_STATUS_DONE:
diff --git a/drivers/net/wireless/ath/ath11k/hal_rx.h b/drivers/net/wireless/ath/ath11k/hal_rx.h
index bd6b8d2e9d5e..bd1db6d6fa73 100644
--- a/drivers/net/wireless/ath/ath11k/hal_rx.h
+++ b/drivers/net/wireless/ath/ath11k/hal_rx.h
@@ -124,6 +124,7 @@ struct hal_rx_mon_ppdu_info {
 	u8 rssi_comb;
 	u8 tid;
 	u8 reception_type;
+	u64 rx_duration;
 };
 
 #define HAL_RX_PPDU_START_INFO0_PPDU_ID		GENMASK(15, 0)
@@ -275,6 +276,13 @@ struct hal_rx_mpdu_info {
 	__le32 rsvd1[21];
 } __packed;
 
+#define HAL_RX_PPDU_END_DURATION	GENMASK(23, 0)
+struct hal_rx_ppdu_end_duration {
+	__le32 rsvd0[9];
+	__le32 info0;
+	__le32 rsvd1[4];
+} __packed;
+
 struct hal_rx_rxpcu_classification_overview {
 	u32 rsvd0;
 } __packed;
diff --git a/drivers/net/wireless/ath/ath11k/mac.c b/drivers/net/wireless/ath/ath11k/mac.c
index 1a4a33389929..92e6b34b7a69 100644
--- a/drivers/net/wireless/ath/ath11k/mac.c
+++ b/drivers/net/wireless/ath/ath11k/mac.c
@@ -136,7 +136,9 @@
 		     HTT_RX_FILTER_TLV_FLAGS_PPDU_END_STATUS_DONE,
 	.pkt_filter_flags0 = HTT_RX_FP_MGMT_FILTER_FLAGS0,
 	.pkt_filter_flags1 = HTT_RX_FP_MGMT_FILTER_FLAGS1,
-	.pkt_filter_flags3 = HTT_RX_FP_DATA_FILTER_FLASG3
+	.pkt_filter_flags2 = HTT_RX_FP_CTRL_FILTER_FLASG2,
+	.pkt_filter_flags3 = HTT_RX_FP_DATA_FILTER_FLASG3 |
+			     HTT_RX_FP_CTRL_FILTER_FLASG3
 };
 
 #define ATH11K_MAC_FIRST_OFDM_RATE_IDX 4
-- 
1.9.1


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2019-06-26 11:22 [PATCH v2] ath11k: Fix rx_duration reporting Ganesh Sesetti
2019-06-26 14:34 ` Kalle Valo

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