diff --git a/fw/wmi_tlv_defs.h b/fw/wmi_tlv_defs.h
index b51356b6abcb..0c9fbb88dd01 100644
--- a/fw/wmi_tlv_defs.h
+++ b/fw/wmi_tlv_defs.h
@@ -860,6 +860,7 @@ typedef enum {
     WMITLV_TAG_STRUC_wmi_roam_cnd_scoring_param,
     WMITLV_TAG_STRUC_wmi_pdev_config_vendor_oui_action_fixed_param,
     WMITLV_TAG_STRUC_wmi_vendor_oui_ext,
+    WMITLV_TAG_STRUC_wmi_roam_synch_frame_event_fixed_param,
 } WMITLV_TAG_ID;
 
 /*
@@ -3707,6 +3708,14 @@ WMITLV_CREATE_PARAM_STRUC(WMI_ROAM_EVENTID);
     WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_STRUC, wmi_roam_fils_synch_tlv_param, roam_fils_synch_info, WMITLV_SIZE_VAR)
 WMITLV_CREATE_PARAM_STRUC(WMI_ROAM_SYNCH_EVENTID);
 
+/* Roam Synch frame Event */
+#define WMITLV_TABLE_WMI_ROAM_SYNCH_FRAME_EVENTID(id,op,buf,len) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_STRUC_wmi_roam_synch_frame_event_fixed_param, wmi_roam_synch_frame_event_fixed_param, fixed_param, WMITLV_SIZE_FIX) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_BYTE, A_UINT8, bcn_probe_rsp_frame, WMITLV_SIZE_VAR) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_BYTE, A_UINT8, reassoc_rsp_frame, WMITLV_SIZE_VAR) \
+    WMITLV_ELEM(id,op,buf,len, WMITLV_TAG_ARRAY_BYTE, A_UINT8, reassoc_req_frame, WMITLV_SIZE_VAR)
+WMITLV_CREATE_PARAM_STRUC(WMI_ROAM_SYNCH_FRAME_EVENTID);
+
 /* WOW Wakeup Host Event */
 /* NOTE: Make sure wow_bitmap_info can be zero or one elements only */
 #define WMITLV_TABLE_WMI_WOW_WAKEUP_HOST_EVENTID(id,op,buf,len)                                                         \
diff --git a/fw/wmi_unified.h b/fw/wmi_unified.h
index 8952d3bcce4c..bb5b88f0194c 100644
--- a/fw/wmi_unified.h
+++ b/fw/wmi_unified.h
@@ -1277,6 +1277,8 @@ typedef enum {
     WMI_PROFILE_MATCH,
     /** roam synch event */
     WMI_ROAM_SYNCH_EVENTID,
+    /** roam synch frame event */
+    WMI_ROAM_SYNCH_FRAME_EVENTID,
 
     /** P2P disc found */
     WMI_P2P_DISC_EVENTID = WMI_EVT_GRP_START_ID(WMI_GRP_P2P),
@@ -15265,6 +15267,39 @@ typedef struct {
      **/
 } wmi_roam_synch_event_fixed_param;
 
+/**
+ * The WMI_ROAM_SYNCH_FRAME_EVENTID message is used in conjunction with the
+ * WMI_ROAM_SYNCH_EVENTID message.  The former will be sent 1st followed by
+ * the latter for cases where the WMI_ROAM_SYNCH_EVENTID message size would
+ * exceed 2K.  The more_frag field in the WMI_ROAM_SYNCH_FRAME_EVENTID informs
+ * the host whether more WMI_ROAM_SYNCH_FRAME_EVENTID messages would follow;
+ * after the WMI_ROAM_SYNCH_FRAME_EVENTID messages the target sends the
+ * WMI_ROAM_SYNCH_EVENTID with bcn_probe_rsp_len, reassoc_rsp_len, and
+ * reassoc_rsp_len set to 0.
+ */
+typedef struct {
+    A_UINT32 tlv_header; /* TLV tag and len; tag equals WMITLV_TAG_STRUC_wmi_roam_synch_frame_event_fixed_param  */
+    /** Unique id identifying the VDEV on which roaming is done by firmware */
+    A_UINT32 vdev_id;
+    /** More frags to follow? */
+    A_UINT32 more_frag;
+    /** whether the frame is beacon or probe rsp */
+    A_UINT32 is_beacon;
+    /** the length of beacon/probe rsp */
+    A_UINT32 bcn_probe_rsp_len;
+    /** the length of reassoc rsp */
+    A_UINT32 reassoc_rsp_len;
+    /** the length of reassoc req */
+    A_UINT32 reassoc_req_len;
+    /**
+     * TLV (tag length value) parameters follows roam_synch_event
+     * The TLV's are:
+     *     A_UINT8 bcn_probe_rsp_frame[bcn_probe_rsp_len];
+     *     A_UINT8 reassoc_rsp_frame[reassoc_rsp_len];
+     *     A_UINT8 reassoc_req_frame[reassoc_req_len];
+     */
+} wmi_roam_synch_frame_event_fixed_param;
+
 #define WMI_PEER_ESTIMATED_LINKSPEED_INVALID    0xFFFFFFFF
 
 typedef struct {
diff --git a/fw/wmi_version.h b/fw/wmi_version.h
index 3620b5cf6e7f..b652533ff01b 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_ 447
+#define __WMI_REVISION_ 448
 
 /** The Version Namespace should not be normally changed. Only
  *  host and firmware of the same WMI namespace will work