qcacmn: Add support to get dp prealloc config

Add support to fetch datapath prealloc related
configuration params.

Change-Id: Iaeac3833fd8e13df6baa9452a7d7f194b86a8bd3
CRs-Fixed: 3012651

wlan_cfg/wlan_cfg.c

@@ -2226,3 +2226,23 @@ wlan_cfg_get_dp_soc_ppe_release_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg)
 	return cfg->ppe_release_ring;
 }
 #endif
+
+void
+wlan_cfg_get_prealloc_cfg(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
+			  struct wlan_dp_prealloc_cfg *cfg)
+{
+	if (!ctrl_psoc || !cfg)
+		return;
+
+	cfg->num_tx_ring_entries = cfg_get(ctrl_psoc, CFG_DP_TX_RING_SIZE);
+	cfg->num_tx_comp_ring_entries = cfg_get(ctrl_psoc,
+						CFG_DP_TX_COMPL_RING_SIZE);
+	cfg->num_wbm_rel_ring_entries = cfg_get(ctrl_psoc,
+						CFG_DP_WBM_RELEASE_RING);
+	cfg->num_rxdma_err_dst_ring_entries = cfg_get(ctrl_psoc,
+						     CFG_DP_RXDMA_ERR_DST_RING);
+	cfg->num_reo_exception_ring_entries = cfg_get(ctrl_psoc,
+						     CFG_DP_REO_EXCEPTION_RING);
+	cfg->num_tx_desc = cfg_get(ctrl_psoc, CFG_DP_TX_DESC);
+	cfg->num_tx_ext_desc = cfg_get(ctrl_psoc, CFG_DP_TX_EXT_DESC);
+}

wlan_cfg/wlan_cfg.h

@@ -380,6 +380,26 @@ struct wlan_cfg_dp_pdev_ctxt {
 	int nss_enabled;
 };
 
+/**
+ * struct wlan_dp_prealloc_cfg - DP prealloc related config
+ * @num_tx_ring_entries: num of tcl data ring entries
+ * @num_tx_comp_ring_entries: num of tx comp ring entries
+ * @num_wbm_rel_ring_entries: num of wbm err ring entries
+ * @num_rxdma_err_dst_ring_entries: num of rxdma err ring entries
+ * @num_reo_exception_ring_entries: num of rx exception ring entries
+ * @num_tx_desc: num of tx descriptors
+ * @num_tx_ext_desc: num of tx ext descriptors
+ */
+struct wlan_dp_prealloc_cfg {
+	int num_tx_ring_entries;
+	int num_tx_comp_ring_entries;
+	int num_wbm_rel_ring_entries;
+	int num_rxdma_err_dst_ring_entries;
+	int num_reo_exception_ring_entries;
+	int num_tx_desc;
+	int num_tx_ext_desc;
+};
+
 /**
  * wlan_cfg_soc_attach() - Attach configuration interface for SoC
  * @ctrl_obj - PSOC object
@@ -1783,4 +1803,15 @@ wlan_cfg_get_dp_soc_ppe2tcl_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg);
 int
 wlan_cfg_get_dp_soc_ppe_release_ring_size(struct wlan_cfg_dp_soc_ctxt *cfg);
 #endif
+
+/**
+ * wlan_cfg_get_prealloc_cfg() - Get dp prealloc related cfg param
+ * @ctrl_psoc - PSOC object
+ * @cfg - cfg ctx where values will be populated
+ *
+ * Return: None
+ */
+void
+wlan_cfg_get_prealloc_cfg(struct cdp_ctrl_objmgr_psoc *ctrl_psoc,
+			  struct wlan_dp_prealloc_cfg *cfg);
 #endif