From d2e553e973bc22f4e08ef4353bc7e18b1442b0b6 Mon Sep 17 00:00:00 2001
From: Amir <amirp@codeaurora.org>
Date: Sun, 3 May 2020 17:52:43 +0530
Subject: [PATCH] qcacmn: Add debug statistics for monitor mode

qcacmn: Add debug statistics for monitor mode

Change-Id: I3fe59af1c7f561bd22f502eb5b19265ecd49ee69
CRs-Fixed: 2677656
---
 dp/inc/cdp_txrx_mon_struct.h | 4 ++++
 dp/wifi3.0/dp_stats.c        | 4 ++++
 dp/wifi3.0/dp_types.h        | 6 ++++++
 hal/wifi3.0/hal_api_mon.h    | 3 +++
 4 files changed, 17 insertions(+)

diff --git a/dp/inc/cdp_txrx_mon_struct.h b/dp/inc/cdp_txrx_mon_struct.h
index 096e10738157..6801f14eb771 100644
--- a/dp/inc/cdp_txrx_mon_struct.h
+++ b/dp/inc/cdp_txrx_mon_struct.h
@@ -225,6 +225,8 @@ enum {
  *  mointor status and monitor destination ring
  * @ppdu_id_match: counter to track ppdu id match in
  *  mointor status and monitor destination ring
+ * @status_ppdu_drop: Number of ppdu dropped from monitor status ring
+ * @dest_ppdu_drop: Number of ppdu dropped from monitor destination ring
  */
 struct cdp_pdev_mon_stats {
 #ifndef REMOVE_MON_DBG_STATS
@@ -250,5 +252,7 @@ struct cdp_pdev_mon_stats {
 	uint32_t mon_rx_bufs_reaped_dest;
 	uint32_t ppdu_id_mismatch;
 	uint32_t ppdu_id_match;
+	uint32_t status_ppdu_drop;
+	uint32_t dest_ppdu_drop;
 };
 #endif
diff --git a/dp/wifi3.0/dp_stats.c b/dp/wifi3.0/dp_stats.c
index 215f3e376357..e6a995c41373 100644
--- a/dp/wifi3.0/dp_stats.c
+++ b/dp/wifi3.0/dp_stats.c
@@ -6212,6 +6212,10 @@ dp_print_pdev_rx_mon_stats(struct dp_pdev *pdev)
 		       rx_mon_stats->ppdu_id_mismatch);
 	DP_PRINT_STATS("mpdu_ppdu_id_match_cnt = %d",
 		       rx_mon_stats->ppdu_id_match);
+	DP_PRINT_STATS("ppdus dropped frm status ring = %d",
+		       rx_mon_stats->status_ppdu_drop);
+	DP_PRINT_STATS("ppdus dropped frm dest ring = %d",
+		       rx_mon_stats->dest_ppdu_drop);
 	stat_ring_ppdu_ids =
 		(uint32_t *)qdf_mem_malloc(sizeof(uint32_t) * MAX_PPDU_ID_HIST);
 	dest_ring_ppdu_ids =
diff --git a/dp/wifi3.0/dp_types.h b/dp/wifi3.0/dp_types.h
index a236c620933d..dca6c94ed188 100644
--- a/dp/wifi3.0/dp_types.h
+++ b/dp/wifi3.0/dp_types.h
@@ -1884,6 +1884,12 @@ struct dp_pdev {
 	struct hal_rx_mon_desc_info *mon_desc;
 #endif
 	qdf_nbuf_t mcopy_status_nbuf;
+
+	/* Flag to hold on to monitor destination ring */
+	bool hold_mon_dest_ring;
+
+	/* Maintains first status buffer's paddr of a PPDU */
+	uint64_t status_buf_addr;
 };
 
 struct dp_peer;
diff --git a/hal/wifi3.0/hal_api_mon.h b/hal/wifi3.0/hal_api_mon.h
index a0569d8e64e1..5af0dbc46a7e 100644
--- a/hal/wifi3.0/hal_api_mon.h
+++ b/hal/wifi3.0/hal_api_mon.h
@@ -179,6 +179,8 @@
  * @status_buf:              for a PPDU, status buffers can span acrosss
  *                           multiple buffers, status_buf points to first
  *                           status buffer address of PPDU
+ * @drop_ppdu:               flag to indicate current destination
+ *                           ring ppdu drop
  */
 struct hal_rx_mon_desc_info {
 	uint16_t ppdu_id;
@@ -189,6 +191,7 @@ struct hal_rx_mon_desc_info {
 	uint8_t end_of_ppdu;
 	struct hal_buf_info link_desc;
 	struct hal_buf_info status_buf;
+	bool drop_ppdu;
 };
 
 /*