From 73532d61bf6f52b9db6417f231c0c026409e8b7e Mon Sep 17 00:00:00 2001
From: Naveen Rawat <naveenrawat@codeaurora.org>
Date: Mon, 22 May 2017 10:37:52 -0700
Subject: [PATCH] qcacld-3.0: Reduce logging level of dropped packets

Function wma_mgmt_rx_process will drop packets when recovery is in
progress and when load/unload is in progress. During these events
if host receieves a lot of packets it might lead to WD bite. To fix
this reduce log level of "Recovery in progress" and "Load/Unload in
progress" in this function.

Change-Id: Ic926e23fe14dd3f670dd9269519866095d51539a
CRs-Fixed: 2049811
---
 core/wma/src/wma_mgmt.c | 23 ++++++++++++++++++++---
 1 file changed, 20 insertions(+), 3 deletions(-)

diff --git a/core/wma/src/wma_mgmt.c b/core/wma/src/wma_mgmt.c
index 0acbc20aff65..f3580d931cc0 100644
--- a/core/wma/src/wma_mgmt.c
+++ b/core/wma/src/wma_mgmt.c
@@ -3337,6 +3337,8 @@ end:
 	return should_drop;
 }
 
+#define RATE_LIMIT 16
+
 int wma_form_rx_packet(qdf_nbuf_t buf,
 			struct mgmt_rx_event_params *mgmt_rx_params,
 			cds_pkt_t *rx_pkt)
@@ -3349,6 +3351,9 @@ int wma_form_rx_packet(qdf_nbuf_t buf,
 	tp_wma_handle wma_handle = (tp_wma_handle)
 				cds_get_context(QDF_MODULE_ID_WMA);
 	tp_wma_packetdump_cb packetdump_cb;
+	static uint8_t limit_prints_invalid_len = RATE_LIMIT - 1;
+	static uint8_t limit_prints_load_unload = RATE_LIMIT - 1;
+	static uint8_t limit_prints_recovery = RATE_LIMIT - 1;
 
 	if (!wma_handle) {
 		WMA_LOGE(FL("wma handle is NULL"));
@@ -3358,21 +3363,33 @@ int wma_form_rx_packet(qdf_nbuf_t buf,
 	}
 
 	if (!mgmt_rx_params) {
-		WMA_LOGE(FL("mgmt rx params is NULL"));
+		limit_prints_invalid_len++;
+		if (limit_prints_invalid_len == RATE_LIMIT) {
+			WMA_LOGD(FL("mgmt rx params is NULL"));
+			limit_prints_invalid_len = 0;
+		}
 		qdf_nbuf_free(buf);
 		qdf_mem_free(rx_pkt);
 		return -EINVAL;
 	}
 
 	if (cds_is_load_or_unload_in_progress()) {
-		WMA_LOGW(FL("Load/Unload in progress"));
+		limit_prints_load_unload++;
+		if (limit_prints_load_unload == RATE_LIMIT) {
+			WMA_LOGD(FL("Load/Unload in progress"));
+			limit_prints_load_unload = 0;
+		}
 		qdf_nbuf_free(buf);
 		qdf_mem_free(rx_pkt);
 		return -EINVAL;
 	}
 
 	if (cds_is_driver_recovering()) {
-		WMA_LOGW(FL("Recovery in progress"));
+		limit_prints_recovery++;
+		if (limit_prints_recovery == RATE_LIMIT) {
+			WMA_LOGD(FL("Recovery in progress"));
+			limit_prints_recovery = 0;
+		}
 		qdf_nbuf_free(buf);
 		qdf_mem_free(rx_pkt);
 		return -EINVAL;