From 8a0928bf2f269c00b140c6b7b974ee025a44fa27 Mon Sep 17 00:00:00 2001
From: syed touqeer pasha <spasha@codeaurora.org>
Date: Fri, 1 Mar 2019 18:06:50 +0530
Subject: [PATCH] qcacmn: Handle flood of update ast messages

Avoid duplicate update AST WMI messages being sent to FW.

Change-Id: Ic2dac80a3ec13e1bef57140b512555dcbabd0587
---
 dp/wifi3.0/dp_peer.c | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/dp/wifi3.0/dp_peer.c b/dp/wifi3.0/dp_peer.c
index 15de09e22577..a873d96bf4b1 100644
--- a/dp/wifi3.0/dp_peer.c
+++ b/dp/wifi3.0/dp_peer.c
@@ -904,6 +904,15 @@ int dp_peer_update_ast(struct dp_soc *soc, struct dp_peer *peer,
 	    (ast_entry->type == CDP_TXRX_AST_TYPE_WDS_HM_SEC))
 		return 0;
 
+	/*
+	 * Avoids flood of WMI update messages sent to FW for same peer.
+	 */
+	if (qdf_unlikely(ast_entry->peer == peer) &&
+	    (ast_entry->type == CDP_TXRX_AST_TYPE_WDS) &&
+	    (ast_entry->vdev_id == peer->vdev->vdev_id) &&
+	    (ast_entry->is_active))
+		return 0;
+
 	old_peer = ast_entry->peer;
 	TAILQ_REMOVE(&old_peer->ast_entry_list, ast_entry, ase_list_elem);