From fc8337d5de6efdc2655e5817affe9ba56cb60089 Mon Sep 17 00:00:00 2001
From: Amit Shukla <shukla@codeaurora.org>
Date: Fri, 14 Feb 2020 14:53:32 -0800
Subject: [PATCH] qcacmn: Add support for noACK frames

Intercept monitor destination path for NDPA frames,
use it to generate noack frames for tx capture.

Change-Id: Ia54196bd84729a7863954b6deec7e02b52f23556
CRs-Fixed: 2605672
---
 dp/wifi3.0/dp_rx_mon_dest.c | 25 +++++++++++++++++++++++++
 hal/wifi3.0/hal_rx.h        |  2 ++
 2 files changed, 27 insertions(+)

diff --git a/dp/wifi3.0/dp_rx_mon_dest.c b/dp/wifi3.0/dp_rx_mon_dest.c
index c497d28fc501..ccb1b0ab5dc0 100644
--- a/dp/wifi3.0/dp_rx_mon_dest.c
+++ b/dp/wifi3.0/dp_rx_mon_dest.c
@@ -28,6 +28,29 @@
 #include "dp_rx_mon.h"
 #include "wlan_cfg.h"
 #include "dp_internal.h"
+#ifdef WLAN_TX_PKT_CAPTURE_ENH
+#include "dp_rx_mon_feature.h"
+
+static inline void
+dp_handle_tx_capture(struct dp_soc *soc, struct dp_pdev *pdev,
+		     qdf_nbuf_t mon_mpdu)
+{
+	struct hal_rx_ppdu_info *ppdu_info = &pdev->ppdu_info;
+
+	if (pdev->tx_capture_enabled != CDP_TX_ENH_CAPTURE_DISABLED &&
+	    ppdu_info->sw_frame_group_id == HAL_MPDU_SW_FRAME_GROUP_CTRL_NDPA)
+		dp_handle_tx_capture_from_dest(soc, pdev, mon_mpdu);
+}
+
+#else
+static inline void
+dp_handle_tx_capture(struct dp_soc *soc, struct dp_pdev *pdev,
+		     qdf_nbuf_t mon_mpdu)
+{
+}
+
+#endif
+
 
 /* The maxinum buffer length allocated for radio tap */
 #define MAX_MONITOR_HEADER (512)
@@ -963,6 +986,8 @@ QDF_STATUS dp_rx_mon_deliver(struct dp_soc *soc, uint32_t mac_id,
 		pdev->ppdu_info.rx_status.chan_noise_floor =
 			pdev->chan_noise_floor;
 
+		dp_handle_tx_capture(soc, pdev, mon_mpdu);
+
 		if (!qdf_nbuf_update_radiotap(&pdev->ppdu_info.rx_status,
 					      mon_mpdu,
 					      qdf_nbuf_headroom(mon_mpdu))) {
diff --git a/hal/wifi3.0/hal_rx.h b/hal/wifi3.0/hal_rx.h
index f5c413e695b3..32791fafd4fa 100644
--- a/hal/wifi3.0/hal_rx.h
+++ b/hal/wifi3.0/hal_rx.h
@@ -1191,6 +1191,7 @@ hal_rx_msdu_start_toeplitz_get(uint8_t *buf)
  * @ HAL_MPDU_SW_FRAME_GROUP_MGMT: management frame
  * @ HAL_MPDU_SW_FRAME_GROUP_MGMT_PROBE_REQ: probe req frame
  * @ HAL_MPDU_SW_FRAME_GROUP_CTRL: control frame
+ * @ HAL_MPDU_SW_FRAME_GROUP_CTRL_NDPA: NDPA frame
  * @ HAL_MPDU_SW_FRAME_GROUP_CTRL_BAR: BAR frame
  * @ HAL_MPDU_SW_FRAME_GROUP_CTRL_RTS: RTS frame
  * @ HAL_MPDU_SW_FRAME_GROUP_UNSUPPORTED: unsupported
@@ -1205,6 +1206,7 @@ enum hal_rx_mpdu_info_sw_frame_group_id_type {
 	HAL_MPDU_SW_FRAME_GROUP_MGMT_PROBE_REQ = 8,
 	HAL_MPDU_SW_FRAME_GROUP_MGMT_BEACON = 12,
 	HAL_MPDU_SW_FRAME_GROUP_CTRL = 20,
+	HAL_MPDU_SW_FRAME_GROUP_CTRL_NDPA = 25,
 	HAL_MPDU_SW_FRAME_GROUP_CTRL_BAR = 28,
 	HAL_MPDU_SW_FRAME_GROUP_CTRL_RTS = 31,
 	HAL_MPDU_SW_FRAME_GROUP_UNSUPPORTED = 36,