qcacmn: Pre allocate pdev during attach

Pre-allocate pdev context as size exceeds dynamic allocation
threshold (4KB).

Change-Id: Ida866275ed1ddea5a9b6aa1cf114ccd226ed0f22
CRs-Fixed: 2825110

dp/wifi3.0/dp_internal.h

@@ -2517,6 +2517,29 @@ QDF_STATUS dp_wds_ext_set_peer_rx(ol_txrx_soc_handle soc,
 #endif /* QCA_SUPPORT_WDS_EXTENDED */
 
 #ifdef DP_MEM_PRE_ALLOC
+
+/**
+ * dp_context_alloc_mem() - allocate memory for DP context
+ * @soc: datapath soc handle
+ * @ctxt_type: DP context type
+ * @ctxt_size: DP context size
+ *
+ * Return: DP context address
+ */
+void *dp_context_alloc_mem(struct dp_soc *soc, enum dp_ctxt_type ctxt_type,
+			   size_t ctxt_size);
+
+/**
+ * dp_context_free_mem() - Free memory of DP context
+ * @soc: datapath soc handle
+ * @ctxt_type: DP context type
+ * @vaddr: Address of context memory
+ *
+ * Return: None
+ */
+void dp_context_free_mem(struct dp_soc *soc, enum dp_ctxt_type ctxt_type,
+			 void *vaddr);
+
 /**
  * dp_desc_multi_pages_mem_alloc() - alloc memory over multiple pages
  * @soc: datapath soc handle
@@ -2563,6 +2586,20 @@ void dp_desc_multi_pages_mem_free(struct dp_soc *soc,
 				  bool cacheable);
 
 #else
+static inline
+void *dp_context_alloc_mem(struct dp_soc *soc, enum dp_ctxt_type ctxt_type,
+			   size_t ctxt_size)
+{
+	return qdf_mem_malloc(ctxt_size);
+}
+
+static inline
+void dp_context_free_mem(struct dp_soc *soc, enum dp_ctxt_type ctxt_type,
+			 void *vaddr)
+{
+	qdf_mem_free(vaddr);
+}
+
 static inline
 void dp_desc_multi_pages_mem_alloc(struct dp_soc *soc,
 				   enum dp_desc_type desc_type,