qcacmn: Retrieve per PPDU phy tx duration

Add support to retrieve per PPDU phy tx duration without response time.
Add support to retrieve per User phy tx duration for MU-MIMO and OFDMA.

These metrics are useful for ATF stats feature. Stats processing done
only if atf stats flag is set.

CRs-Fixed: 2709102
Change-Id: I90db41aa45843808e07343a80750c154abbde9cd

dp/inc/cdp_txrx_cmn_struct.h

@@ -1019,6 +1019,7 @@ enum cdp_peer_param_type {
  * @CDP_MONITOR_CHANNEL: monitor channel
  * @CDP_MONITOR_FREQUENCY: monitor frequency
  * @CDP_CONFIG_BSS_COLOR: configure bss color
+ * @CDP_SET_ATF_STATS_ENABLE: set ATF stats flag
  */
 enum cdp_pdev_param_type {
 	CDP_CONFIG_DEBUG_SNIFFER,
@@ -1048,6 +1049,7 @@ enum cdp_pdev_param_type {
 	CDP_MONITOR_CHANNEL,
 	CDP_MONITOR_FREQUENCY,
 	CDP_CONFIG_BSS_COLOR,
+	CDP_SET_ATF_STATS_ENABLE,
 };
 
 /*
@@ -1104,6 +1106,7 @@ enum cdp_pdev_param_type {
  * @cdp_pdev_param_fltr_mcast: filter multicast data
  * @cdp_pdev_param_fltr_none: filter no data
  * @cdp_pdev_param_monitor_chan: monitor channel
+ * @cdp_pdev_param_atf_stats_enable: ATF stats enable
  *
  * @cdp_psoc_param_en_rate_stats: set rate stats enable/disable
  * @cdp_psoc_param_en_nss_cfg: set nss cfg
@@ -1165,6 +1168,7 @@ typedef union cdp_config_param_t {
 	uint32_t cdp_pdev_param_osif_drop;
 	uint32_t cdp_pdev_param_en_perpkt_txstats;
 	uint32_t cdp_pdev_param_tx_pending;
+	bool cdp_pdev_param_atf_stats_enable;
 
 	/* psoc params */
 	bool cdp_psoc_param_en_rate_stats;
@@ -1613,6 +1617,7 @@ struct cdp_delayed_tx_completion_ppdu_user {
  * @mon_procd: to indicate user processed in ppdu of the sched cmd
  * @debug_copied: flag to indicate bar frame copied
  * @peer_last_delayed_ba: flag to indicate peer last delayed ba
+ * @phy_tx_time_us: Phy TX duration for the User
  */
 struct cdp_tx_completion_ppdu_user {
 	uint32_t completion_status:8,
@@ -1708,6 +1713,8 @@ struct cdp_tx_completion_ppdu_user {
 	bool mon_procd;
 	bool debug_copied;
 	bool peer_last_delayed_ba;
+
+	uint16_t phy_tx_time_us;
 };
 
 /**
@@ -1853,12 +1860,15 @@ struct cdp_tx_mgmt_comp_info {
  * @bss_color: 6 bit value for full bss color
  * @doppler: value for doppler (will be 0 most of the times)
  * @spatial_reuse: value for spatial reuse used in radiotap HE header
+ * @usr_nss_sum: Sum of user nss
+ * @usr_ru_tones_sum: Sum of user ru_tones
  * @bar_ppdu_id: BAR ppdu_id
  * @bar_tx_duration: BAR tx duration
  * @bar_ppdu_start_timestamp: BAR start timestamp
  * @bar_ppdu_end_timestamp: BAR end timestamp
  * @tlv_bitmap: tlv_bitmap for the PPDU
  * @sched_cmdid: schedule command id
+ * @phy_ppdu_tx_time_us: Phy per PPDU TX duration
  * @user: per-User stats (array of per-user structures)
  */
 struct cdp_tx_completion_ppdu {
@@ -1894,12 +1904,15 @@ struct cdp_tx_completion_ppdu {
 	uint8_t bss_color;
 	uint8_t doppler;
 	uint8_t spatial_reuse;
+	uint8_t usr_nss_sum;
+	uint32_t usr_ru_tones_sum;
 	uint32_t bar_ppdu_id;
 	uint32_t bar_tx_duration;
 	uint32_t bar_ppdu_start_timestamp;
 	uint32_t bar_ppdu_end_timestamp;
 	uint32_t tlv_bitmap;
 	uint16_t sched_cmdid;
+	uint16_t phy_ppdu_tx_time_us;
 	struct cdp_tx_completion_ppdu_user user[];
 };
 

dp/wifi3.0/dp_htt.c

@@ -2274,6 +2274,8 @@ static void dp_process_ppdu_stats_common_tlv(struct dp_pdev *pdev,
 	ppdu_desc->phy_mode = HTT_PPDU_STATS_COMMON_TLV_PHY_MODE_GET(*tag_buf);
 
 	tag_buf = start_tag_buf + HTT_GET_STATS_CMN_INDEX(RESV_NUM_UL_BEAM);
+	ppdu_desc->phy_ppdu_tx_time_us =
+		HTT_PPDU_STATS_COMMON_TLV_PHY_PPDU_TX_TIME_US_GET(*tag_buf);
 	ppdu_desc->beam_change =
 		HTT_PPDU_STATS_COMMON_TLV_BEAM_CHANGE_GET(*tag_buf);
 	ppdu_desc->doppler =
@@ -2481,6 +2483,7 @@ static void dp_process_ppdu_stats_user_rate_tlv(struct dp_pdev *pdev,
 	ppdu_user_desc->ru_tones =
 		(HTT_PPDU_STATS_USER_RATE_TLV_RU_END_GET(*tag_buf) -
 		HTT_PPDU_STATS_USER_RATE_TLV_RU_START_GET(*tag_buf)) + 1;
+	ppdu_desc->usr_ru_tones_sum += ppdu_user_desc->ru_tones;
 
 	tag_buf += 2;
 
@@ -2501,6 +2504,7 @@ static void dp_process_ppdu_stats_user_rate_tlv(struct dp_pdev *pdev,
 	ppdu_user_desc->bw =
 		HTT_PPDU_STATS_USER_RATE_TLV_BW_GET(*tag_buf) - 2;
 	ppdu_user_desc->nss = HTT_PPDU_STATS_USER_RATE_TLV_NSS_GET(*tag_buf);
+	ppdu_desc->usr_nss_sum += ppdu_user_desc->nss;
 	ppdu_user_desc->mcs = HTT_PPDU_STATS_USER_RATE_TLV_MCS_GET(*tag_buf);
 	ppdu_user_desc->preamble =
 		HTT_PPDU_STATS_USER_RATE_TLV_PREAMBLE_GET(*tag_buf);
@@ -3401,6 +3405,52 @@ static void dp_process_ppdu_tag(struct dp_pdev *pdev, uint32_t *tag_buf,
 	}
 }
 
+#ifdef WLAN_ATF_ENABLE
+static void
+dp_ppdu_desc_user_phy_tx_time_update(struct dp_pdev *pdev,
+				     struct cdp_tx_completion_ppdu *ppdu_desc,
+				     struct cdp_tx_completion_ppdu_user *user)
+{
+	uint32_t nss_ru_width_sum = 0;
+
+	if (!pdev || !ppdu_desc || !user)
+		return;
+
+	if (!pdev->dp_atf_stats_enable)
+		return;
+
+	if (ppdu_desc->frame_type != CDP_PPDU_FTYPE_DATA)
+		return;
+
+	nss_ru_width_sum = ppdu_desc->usr_nss_sum * ppdu_desc->usr_ru_tones_sum;
+	if (!nss_ru_width_sum)
+		nss_ru_width_sum = 1;
+
+	/**
+	 * For SU-MIMO PPDU phy Tx time is same for the single user.
+	 * For MU-MIMO phy Tx time is calculated per user as below
+	 *     user phy tx time =
+	 *           Entire PPDU duration * MU Ratio * OFDMA Ratio
+	 *     MU Ratio = usr_nss / Sum_of_nss_of_all_users
+	 *     OFDMA_ratio = usr_ru_width / Sum_of_ru_width_of_all_users
+	 *     usr_ru_widt = ru_end – ru_start + 1
+	 */
+	if (ppdu_desc->htt_frame_type == HTT_STATS_FTYPE_TIDQ_DATA_SU) {
+		user->phy_tx_time_us = ppdu_desc->phy_ppdu_tx_time_us;
+	} else {
+		user->phy_tx_time_us = (ppdu_desc->phy_ppdu_tx_time_us *
+				user->nss * user->ru_tones) / nss_ru_width_sum;
+	}
+}
+#else
+static void
+dp_ppdu_desc_user_phy_tx_time_update(struct dp_pdev *pdev,
+				     struct cdp_tx_completion_ppdu *ppdu_desc,
+				     struct cdp_tx_completion_ppdu_user *user)
+{
+}
+#endif
+
 /**
  * dp_ppdu_desc_user_stats_update(): Function to update TX user stats
  * @pdev: DP pdev handle
@@ -3442,6 +3492,7 @@ dp_ppdu_desc_user_stats_update(struct dp_pdev *pdev,
 	} else {
 		num_users = ppdu_desc->num_users;
 	}
+	qdf_assert_always(ppdu_desc->num_users <= ppdu_desc->max_users);
 
 	for (i = 0; i < num_users; i++) {
 		ppdu_desc->num_mpdu += ppdu_desc->user[i].num_mpdu;
@@ -3499,6 +3550,9 @@ dp_ppdu_desc_user_stats_update(struct dp_pdev *pdev,
 			dp_tx_rate_stats_update(peer, &ppdu_desc->user[i]);
 		}
 
+		dp_ppdu_desc_user_phy_tx_time_update(pdev, ppdu_desc,
+						     &ppdu_desc->user[i]);
+
 		dp_peer_unref_delete(peer);
 		tlv_bitmap_expected = tlv_bitmap_default;
 	}

dp/wifi3.0/dp_main.c

@@ -7920,6 +7920,23 @@ static QDF_STATUS dp_get_peer_param(struct cdp_soc_t *cdp_soc,  uint8_t vdev_id,
 	return QDF_STATUS_SUCCESS;
 }
 
+#ifdef WLAN_ATF_ENABLE
+static void dp_set_atf_stats_enable(struct dp_pdev *pdev, bool value)
+{
+	if (!pdev) {
+		QDF_TRACE(QDF_MODULE_ID_DP, QDF_TRACE_LEVEL_ERROR,
+			  "Invalid pdev");
+		return;
+	}
+
+	pdev->dp_atf_stats_enable = value;
+}
+#else
+static void dp_set_atf_stats_enable(struct dp_pdev *pdev, bool value)
+{
+}
+#endif
+
 /*
  * dp_set_peer_param: function to set parameters in peer
  * @cdp_soc: DP soc handle
@@ -8103,6 +8120,10 @@ static QDF_STATUS dp_set_pdev_param(struct cdp_soc_t *cdp_soc, uint8_t pdev_id,
 	case CDP_CONFIG_BSS_COLOR:
 		dp_mon_set_bsscolor(pdev, val.cdp_pdev_param_bss_color);
 		break;
+	case CDP_SET_ATF_STATS_ENABLE:
+		dp_set_atf_stats_enable(pdev,
+					val.cdp_pdev_param_atf_stats_enable);
+		break;
 	default:
 		return QDF_STATUS_E_INVAL;
 	}

dp/wifi3.0/dp_types.h

@@ -2032,6 +2032,11 @@ struct dp_pdev {
 	/* Flag to hold on to monitor destination ring */
 	bool hold_mon_dest_ring;
 
+#ifdef WLAN_ATF_ENABLE
+	/* ATF stats enable */
+	bool dp_atf_stats_enable;
+#endif
+
 	/* Maintains first status buffer's paddr of a PPDU */
 	uint64_t status_buf_addr;
 };