qcacmn: HOST Memory Optimizations (in NSS offload mode)

Number of DP rings used in HOST mode and NSS offload mode differ
and in current scenario the rings are allocated unconditionally.

Allocate only required number of rings based on the HOST mode and
NSS Wi-Fi offload mode and based on the number of radios supported
per SOC.

CRs-Fixed: 2790504
Change-Id: I20ce1908da47c197ea3b406f8704b964f3d8f7d1

wlan_cfg/wlan_cfg.h

@@ -201,9 +201,11 @@ struct wlan_cfg_dp_soc_ctxt {
 	int max_alloc_size;
 	int per_pdev_tx_ring;
 	int num_tcl_data_rings;
+	int num_nss_tcl_data_rings;
 	int per_pdev_rx_ring;
 	int per_pdev_lmac_ring;
 	int num_reo_dest_rings;
+	int num_nss_reo_dest_rings;
 	int num_tx_desc_pool;
 	int num_tx_ext_desc_pool;
 	int num_tx_desc;
@@ -679,13 +681,21 @@ uint32_t wlan_cfg_max_alloc_size(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
 int wlan_cfg_per_pdev_tx_ring(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
 
 /*
- * wlan_cfg_num_tcl_data_rings() - Number of TCL Data rings supported by device
+ * wlan_cfg_num_tcl_data_rings() - Number of TCL Data rings (HOST mode)
  * @wlan_cfg_ctx
  *
  * Return: num_tcl_data_rings
  */
 int wlan_cfg_num_tcl_data_rings(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
 
+/*
+ * wlan_cfg_num_nss_tcl_data_rings() - Number of TCL Data rings (NSS offload)
+ * @wlan_cfg_ctx
+ *
+ * Return: num_tcl_data_rings
+ */
+int wlan_cfg_num_nss_tcl_data_rings(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
+
 /*
  * wlan_cfg_per_pdev_rx_ring() - Return true if Rx rings are mapped as
  *                              one per radio
@@ -705,13 +715,21 @@ int wlan_cfg_per_pdev_rx_ring(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
 int wlan_cfg_per_pdev_lmac_ring(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
 
 /*
- * wlan_cfg_num_reo_dest_rings() - Number of REO Data rings supported by device
+ * wlan_cfg_num_reo_dest_rings() - Number of REO Data rings (HOST mode)
  * @wlan_cfg_ctx - Configuration Handle
  *
  * Return: num_reo_dest_rings
  */
 int wlan_cfg_num_reo_dest_rings(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
 
+/*
+ * wlan_cfg_num_nss_reo_dest_rings() - Number of REO Data rings (NSS offload)
+ * @wlan_cfg_ctx - Configuration Handle
+ *
+ * Return: num_reo_dest_rings
+ */
+int wlan_cfg_num_nss_reo_dest_rings(struct wlan_cfg_dp_soc_ctxt *wlan_cfg_ctx);
+
 /*
  * wlan_cfg_pkt_type() - Default 802.11 encapsulation type
  * @wlan_cfg_ctx - Configuration Handle