diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 897d576277d0..832df65335e3 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -10038,6 +10038,11 @@ typedef enum p2p_lo_start_ctrl_flags_e {
     P2P_LO_START_CTRL_FLAG_FLUSH_LISTEN_RESULT = 1 << 0,  /* flush prob. req when host is awake */
 } p2p_lo_start_ctrl_flags;
 
+#define P2P_LO_PER_DEV_TYPE_LEN     8
+#define P2P_LO_DEV_TYPES_COUNT_MAX  10
+#define P2P_LO_DEV_TYPES_LEN_MAX    (P2P_LO_PER_DEV_TYPE_LEN * P2P_LO_DEV_TYPES_COUNT_MAX)
+#define P2P_LO_PROB_RESP_MAX_LEN    512
+
 typedef struct {
     A_UINT32 tlv_header;
     A_UINT32 vdev_id;
@@ -10051,11 +10056,13 @@ typedef struct {
      * device_types_data[] byte-array TLV that follows this TLV.
      * The data in device_types_data[] is in 8-byte elements, so
      * device_types_len will be a multiple of 8.
+     * Refer to P2P_LO_DEV_TYPES_LEN_MAX
      */
     A_UINT32 device_types_len;
     /*
      * prob_resp_len specifies the number of bytes in the
      * prob_resp_data[] byte-array TLV that follows this TLV.
+     * Refer to P2P_LO_PROB_RESP_MAX_LEN
      */
     A_UINT32 prob_resp_len;
     /*
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 50c827344a2e..9748366dc1ed 100644
--- a/fw/wmi_version.h
+++ b/fw/wmi_version.h
@@ -36,7 +36,7 @@
 #define __WMI_VER_MINOR_    0
 /** WMI revision number has to be incremented when there is a
  *  change that may or may not break compatibility. */
-#define __WMI_REVISION_ 404
+#define __WMI_REVISION_ 405
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work