qcacmn: Change max headroom for monitor destination buffer

Macro MAX_MONITOR_HEADER is used to specify the max. headroom size for
different buffer rings. With the monitor frag feature, macro
DP_RX_MON_MAX_MONITOR_HEADER is required to specify the headroom size for
the monitor destination buffers as per the the approch being used.

Change-Id: Ic4c0132292008942d7d443235e5f54d7eaa77e74
CRs-Fixed: 2772048

dp/wifi3.0/dp_rx_mon.h

@@ -26,7 +26,10 @@
  */
 #define MON_BUF_MIN_ENTRIES 64
 
-/* The maxinum buffer length allocated for radio tap */
+/*
+ * The maximum headroom reserved for monitor destination buffer to
+ * accomodate radiotap header and protocol flow tag
+ */
 #ifdef DP_RX_MON_MEM_FRAG
 /*
  *----------------------------------
@@ -37,11 +40,14 @@
  * actual offset, data gets written to actual offset after updating
  * radiotap HDR.
  */
-#define MAX_MONITOR_HEADER (256)
+#define DP_RX_MON_MAX_MONITOR_HEADER (256)
 #else
-#define MAX_MONITOR_HEADER (512)
+#define DP_RX_MON_MAX_MONITOR_HEADER (512)
 #endif
 
+/* The maximum buffer length allocated for radiotap for monitor status buffer */
+#define MAX_MONITOR_HEADER (512)
+
 /* l2 header pad byte in case of Raw frame is Zero and 2 in non raw */
 #define DP_RX_MON_RAW_L2_HDR_PAD_BYTE (0)
 #define DP_RX_MON_NONRAW_L2_HDR_PAD_BYTE (2)
@@ -412,8 +418,8 @@ QDF_STATUS dp_rx_mon_alloc_parent_buffer(qdf_nbuf_t *head_msdu)
 	 * |     64 B            |  Length(128 B) |
 	 * --------------------------------------
 	 */
-	*head_msdu = qdf_nbuf_alloc_no_recycler(MAX_MONITOR_HEADER,
-						MAX_MONITOR_HEADER, 4);
+	*head_msdu = qdf_nbuf_alloc_no_recycler(DP_RX_MON_MAX_MONITOR_HEADER,
+						DP_RX_MON_MAX_MONITOR_HEADER, 4);
 
 	if (!(*head_msdu))
 		return QDF_STATUS_E_FAILURE;