qcacmn: Mark first packet after wow wakeup

Add feature support to tag first packet that wakes up HOST from WoW.

rx_pkt_tlv.rx_msdu_end.reserved_1a field is used by TARGET to meet
such request.

Change-Id: I3d37e13e8cff49bc4f622d3070a19e4c4be56417
CRs-Fixed: 3137621

hal/wifi3.0/qca6750/hal_6750.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2020-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2021 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2021-2022 Qualcomm Innovation Center, Inc. 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
@@ -1834,6 +1834,27 @@ void hal_compute_reo_remap_ix2_ix3_6750(uint32_t *ring, uint32_t num_rings,
 	}
 }
 
+#ifdef WLAN_FEATURE_MARK_FIRST_WAKEUP_PACKET
+/**
+ * hal_get_first_wow_wakeup_packet_6750(): Function to retrieve
+ *					   rx_msdu_end_1_reserved_1a
+ *
+ * reserved_1a is used by target to tag the first packet that wakes up host from
+ * WoW
+ *
+ * @buf: Network buffer
+ *
+ * Dummy function for QCA6750
+ *
+ * Returns: 1 to indicate it is first packet received that wakes up host from
+ *	    WoW. Otherwise 0
+ */
+static inline uint8_t hal_get_first_wow_wakeup_packet_6750(uint8_t *buf)
+{
+	return 0;
+}
+#endif
+
 static void hal_hw_txrx_ops_attach_qca6750(struct hal_soc *hal_soc)
 {
 	/* init and setup */
@@ -2030,6 +2051,10 @@ static void hal_hw_txrx_ops_attach_qca6750(struct hal_soc *hal_soc)
 		hal_rx_msdu_get_reo_destination_indication_6750;
 	hal_soc->ops->hal_setup_link_idle_list =
 				hal_setup_link_idle_list_generic_li;
+#ifdef WLAN_FEATURE_MARK_FIRST_WAKEUP_PACKET
+	hal_soc->ops->hal_get_first_wow_wakeup_packet =
+		hal_get_first_wow_wakeup_packet_6750;
+#endif
 };
 
 struct hal_hw_srng_config hw_srng_table_6750[] = {