qcacmn: Modify CDP AST APIs to synchronize add and delete cmds to FW

Change the CDP abstraction APIs for ast entry find, add and delete
to avoid external references for ast entry in upper layers

Process the HTT v2 peer map messages which will be enabled for
nexthop ast entries and use these messages instead of WMI event
for HKv1 WAR where we have to wait for delete confirmation from
target event which is processed in control path

Change-Id: Ifa91a259c0762344deb8ab89e868fc5554d75543
CRs-fixed: 2354951

dp/wifi3.0/dp_rx.h

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2016-2018 The Linux Foundation. All rights reserved.
+ * Copyright (c) 2016-2019 The Linux Foundation. All rights reserved.
  *
  * Permission to use, copy, modify, and/or distribute this software for
  * any purpose with or without fee is hereby granted, provided that the
@@ -416,11 +416,9 @@ dp_rx_wds_add_or_update_ast(struct dp_soc *soc, struct dp_peer *ta_peer,
 			    uint16_t sa_idx, uint16_t sa_sw_peer_id)
 {
 	struct dp_peer *sa_peer;
-	struct dp_peer *wds_peer;
 	struct dp_ast_entry *ast;
 	uint32_t flags = IEEE80211_NODE_F_WDS_HM;
 	uint32_t ret = 0;
-	bool del_in_progress;
 	struct dp_neighbour_peer *neighbour_peer = NULL;
 	struct dp_pdev *pdev = ta_peer->vdev->pdev;
 
@@ -471,22 +469,6 @@ dp_rx_wds_add_or_update_ast(struct dp_soc *soc, struct dp_peer *ta_peer,
 		 * cached.
 		 */
 		if (!soc->ast_override_support) {
-			wds_peer = dp_peer_find_hash_find(soc, wds_src_mac,
-							  0, DP_VDEV_ALL);
-			if (wds_peer) {
-				del_in_progress = wds_peer->delete_in_progress;
-				dp_peer_unref_delete(wds_peer);
-				if (!del_in_progress) {
-					QDF_TRACE(QDF_MODULE_ID_DP,
-						  QDF_TRACE_LEVEL_DEBUG,
-						  "wds peer %pM found",
-						  wds_src_mac);
-					QDF_TRACE(QDF_MODULE_ID_DP,
-						  QDF_TRACE_LEVEL_DEBUG,
-						  "No AST no Del in progress");
-				}
-				return;
-			}
 			ret = dp_peer_add_ast(soc,
 					      ta_peer,
 					      wds_src_mac,