qcacmn: APIs to access core datapath data structures

Non datapath modules use these APIs when they work with datapath
module data structures.

Change-Id: Ic257c6fc621820199b1691b8e62f7f7109237b01
CRs-Fixed: 993414

dp/inc/cdp_txrx_pmf.h

@@ -0,0 +1,42 @@
+/*
+ * Copyright (c) 2016 The Linux Foundation. All rights reserved.
+ *
+ * Previously licensed under the ISC license by Qualcomm Atheros, Inc.
+ *
+ *
+ * Permission to use, copy, modify, and/or distribute this software for
+ * any purpose with or without fee is hereby granted, provided that the
+ * above copyright notice and this permission notice appear in all
+ * copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL
+ * WARRANTIES WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE
+ * AUTHOR BE LIABLE FOR ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL
+ * DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR
+ * PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
+ * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
+ * PERFORMANCE OF THIS SOFTWARE.
+ */
+
+/*
+ * This file was originally distributed by Qualcomm Atheros, Inc.
+ * under proprietary terms before Copyright ownership was assigned
+ * to the Linux Foundation.
+ */
+#ifndef _CDP_TXRX_PMF_H_
+#define _CDP_TXRX_PMF_H_
+
+/**
+ * ol_txrx_get_pn_info() - Returns pn info from peer
+ * @peer: handle to peer
+ * @last_pn_valid: return last_rmf_pn_valid value from peer.
+ * @last_pn: return last_rmf_pn value from peer.
+ * @rmf_pn_replays: return rmf_pn_replays value from peer.
+ *
+ * Return: NONE
+ */
+void
+ol_txrx_get_pn_info(ol_txrx_peer_handle peer, uint8_t **last_pn_valid,
+		    uint64_t **last_pn, uint32_t **rmf_pn_replays);
+#endif /* _CDP_TXRX_PMF_H_ */