qcacmn: Add HIF CE RX support to WBUFF

Currently, WBUFF is being used only for WMI TX buffers.
Add HIF CE RX buffers support to WBUFF in an effort to re-use
the copy engine RX buffers instead of freeing/allocating buffers
for every CE RX transaction. This fixes the problem of CE RX
memory fragmentation.

Change-Id: Id9c043a5c5d0882a7994fa03cd8c335555d46b8d
CRs-Fixed: 3534539

wbuff/inc/wbuff.h

@@ -28,8 +28,13 @@
 #include <qdf_status.h>
 #include <qdf_nbuf.h>
 
+/* Number of pools supported per module */
+#define WBUFF_MAX_POOLS 16
+#define WBUFF_MAX_POOL_ID WBUFF_MAX_POOLS
+
 enum wbuff_module_id {
 	WBUFF_MODULE_WMI_TX,
+	WBUFF_MODULE_CE_RX,
 	WBUFF_MAX_MODULES,
 };
 
@@ -93,6 +98,7 @@ QDF_STATUS wbuff_module_deregister(struct wbuff_mod_handle *hdl);
 /**
  * wbuff_buff_get() - return buffer to the requester
  * @hdl: wbuff_handle corresponding to the module
+ * @pool_id: pool identifier
  * @len: length of buffer requested
  * @func_name: function from which buffer is requested
  * @line_num: line number in the file
@@ -100,8 +106,9 @@ QDF_STATUS wbuff_module_deregister(struct wbuff_mod_handle *hdl);
  * Return: Network buffer if success
  *         NULL if failure
  */
-qdf_nbuf_t wbuff_buff_get(struct wbuff_mod_handle *hdl, uint32_t len,
-			  const char *func_name, uint32_t line_num);
+qdf_nbuf_t
+wbuff_buff_get(struct wbuff_mod_handle *hdl, uint8_t pool_id, uint32_t len,
+	       const char *func_name, uint32_t line_num);
 
 /**
  * wbuff_buff_put() - put the buffer back to wbuff pool
@@ -137,8 +144,8 @@ static inline QDF_STATUS wbuff_module_deregister(struct wbuff_mod_handle *hdl)
 }
 
 static inline qdf_nbuf_t
-wbuff_buff_get(struct wbuff_mod_handle *hdl, uint32_t len, const char *func_name,
-	       uint32_t line_num)
+wbuff_buff_get(struct wbuff_mod_handle *hdl, uint8_t pool_id, uint32_t len,
+	       const char *func_name, uint32_t line_num)
 {
 	return NULL;
 }