qcacld-3.0: Configure RX ring size based on supported data mode

Configure RX refill ring size based supported nss mode.
In 1x1 mode throughput supported will be less,
it does not require higher RX refill ring size so
in 1x1 mode use reduced refill ring configuration.

Change-Id: Iab1db3e99b1a30cf1dd3d584192363cbffa84ec1
CRs-Fixed: 3376948

core/dp/htt/htt_internal.h

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2011, 2014-2020 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 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
@@ -974,6 +974,10 @@ void htt_rx_dbg_rxbuf_deinit(struct htt_pdev_t *pdev)
 #define HTT_RX_RING_SIZE_MAX 2048       /* ~20 ms @ 1 Gbps of 1500B MSDUs */
 #endif
 
+#ifndef HTT_RX_RING_SIZE_1x1
+#define HTT_RX_RING_SIZE_1x1 1024      /* ~20 ms @ 400 Mbps of 1500B MSDUs */
+#endif
+
 #ifndef HTT_RX_AVG_FRM_BYTES
 #define HTT_RX_AVG_FRM_BYTES 1000
 #endif

core/dp/htt/htt_rx_ll.c

@@ -1,6 +1,6 @@
 /*
  * Copyright (c) 2011-2021 The Linux Foundation. All rights reserved.
- * Copyright (c) 2022 Qualcomm Innovation Center, Inc. All rights reserved.
+ * Copyright (c) 2022-2023 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
@@ -38,6 +38,7 @@
 #include <wma_api.h>
 #endif
 #include <pktlog_ac_fmt.h>
+#include <wlan_mlme_api.h>
 
 #ifdef DEBUG_DMA_DONE
 #define MAX_DONE_BIT_CHECK_ITER 5
@@ -527,6 +528,9 @@ update_alloc_idx:
 static int htt_rx_ring_size(struct htt_pdev_t *pdev)
 {
 	int size;
+	QDF_STATUS status;
+	struct ol_txrx_soc_t *soc = cds_get_context(QDF_MODULE_ID_SOC);
+	bool enable_2x2 = true;
 
 	/*
 	 * It is expected that the host CPU will typically be able to service
@@ -557,6 +561,13 @@ static int htt_rx_ring_size(struct htt_pdev_t *pdev)
 		size = HTT_RX_RING_SIZE_MAX;
 
 	size = qdf_get_pwr2(size);
+
+	status = wlan_mlme_get_vht_enable2x2((void *)soc->psoc, &enable_2x2);
+	if (QDF_IS_STATUS_SUCCESS(status))
+		size = (enable_2x2) ? size : QDF_MIN(size, HTT_RX_RING_SIZE_1x1);
+	QDF_TRACE(QDF_MODULE_ID_HTT, QDF_TRACE_LEVEL_INFO_LOW,
+		  "HTT RX refill ring size:%u selected for %s mode", size, enable_2x2 ? "2x2" : "1x1");
+
 	return size;
 }