diff --git a/umac/mlme/vdev_mgr/dispatcher/inc/wlan_vdev_mgr_tgt_if_tx_defs.h b/umac/mlme/vdev_mgr/dispatcher/inc/wlan_vdev_mgr_tgt_if_tx_defs.h
index c3f2e3202e..2775ec7e44 100644
--- a/umac/mlme/vdev_mgr/dispatcher/inc/wlan_vdev_mgr_tgt_if_tx_defs.h
+++ b/umac/mlme/vdev_mgr/dispatcher/inc/wlan_vdev_mgr_tgt_if_tx_defs.h
@@ -438,6 +438,41 @@ struct vdev_scan_nac_rssi_params {
 	uint32_t action; /* WMI_FILTER_NAC_RSSI_ACTION */
 };
 
+#ifdef WLAN_FEATURE_11BE_MLO
+/**
+ * @mlo_enabled: indicate is MLO enabled
+ * @mlo_assoc_link: indicate is the link used to initialize
+ *                  the association of mlo connection
+ */
+struct mlo_vdev_start_flags {
+	uint32_t mlo_enabled:1,
+		 mlo_assoc_link:1,
+		 rsvd:30;
+};
+
+/**
+ * struct ml_vdev_start_partner_info - partner link info
+ * @vdev_id: vdev id
+ * @hw_mld_link_id: unique hw link id across SoCs
+ * @mac_addr: Partner mac address
+ */
+struct ml_vdev_start_partner_info {
+	uint32_t vdev_id;
+	uint32_t hw_mld_link_id;
+	uint8_t mac_addr[QDF_MAC_ADDR_SIZE];
+};
+
+#define MAX_ML_PARTNER_LINKS 4
+/**
+ * struct mlo_vdev_start__partner_links - ML partner links
+ * @num_links: Number of links
+ * @partner_info: Partner link info
+ */
+struct mlo_vdev_start_partner_links {
+	uint8_t num_links;
+	struct ml_vdev_start_partner_info partner_info[MAX_ML_PARTNER_LINKS];
+};
+#endif
 /**
  * struct vdev_start_params - vdev start cmd parameter
  * @vdev_id: vdev id
@@ -484,6 +519,10 @@ struct vdev_start_params {
 	bool ldpc_rx_enabled;
 	uint32_t mbssid_flags;
 	uint8_t vdevid_trans;
+#ifdef WLAN_FEATURE_11BE_MLO
+	struct mlo_vdev_start_flags mlo_flags;
+	struct mlo_vdev_start_partner_links mlo_partner;
+#endif
 };
 
 /**
diff --git a/wmi/inc/wmi_unified_11be_tlv.h b/wmi/inc/wmi_unified_11be_tlv.h
index f88f5463c2..761097652d 100644
--- a/wmi/inc/wmi_unified_11be_tlv.h
+++ b/wmi/inc/wmi_unified_11be_tlv.h
@@ -33,6 +33,31 @@ size_t vdev_create_mlo_params_size(void);
  */
 uint8_t *vdev_create_add_mlo_params(uint8_t *buf_ptr,
 				    struct vdev_create_params *param);
+/**
+ *  vdev_start_mlo_params_size() - Get MLO params size in vdev start
+ *  @req: Vdev start request params
+ *
+ *  Return: size of MLO params in vdev start
+ */
+size_t vdev_start_mlo_params_size(struct vdev_start_params *req);
+/**
+ *  vdev_start_add_mlo_params() - Add MLO params in vdev start cmd
+ *  @buf_ptr: pointer to vdev start buffer.
+ *  @req: ponter to vdev create request param
+ *
+ *  Return: pointer to new offset of cmd buffer
+ */
+uint8_t *vdev_start_add_mlo_params(uint8_t *buf_ptr,
+				   struct vdev_start_params *req);
+/**
+ *  vdev_start_add_ml_partner_links() - Add MLO partner links in vdev start cmd
+ *  @buf_ptr: pointer to vdev start cmd buffer.
+ *  @req: ponter to vdev start request param
+ *
+ *  Return: pointer to new offset of cmd buffer
+ */
+uint8_t *vdev_start_add_ml_partner_links(uint8_t *buf_ptr,
+					 struct vdev_start_params *req);
 #else
 static uint8_t *vdev_create_add_mlo_params(uint8_t *buf_ptr,
 					   struct vdev_create_params *param)
@@ -45,5 +70,24 @@ static size_t vdev_create_mlo_params_size(void)
 {
 	return WMI_TLV_HDR_SIZE;
 }
+
+static uint8_t *vdev_start_add_mlo_params(uint8_t *buf_ptr,
+					  struct vdev_start_params *req)
+{
+	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC, 0);
+	return buf_ptr + WMI_TLV_HDR_SIZE;
+}
+
+static size_t vdev_start_mlo_params_size(struct vdev_start_params *req)
+{
+	return WMI_TLV_HDR_SIZE;
+}
+
+static uint8_t *vdev_start_add_ml_partner_links(uint8_t *buf_ptr,
+						struct vdev_start_params *req)
+{
+	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC, 0);
+	return buf_ptr + WMI_TLV_HDR_SIZE;
+}
 #endif /*WLAN_FEATURE_11BE_MLO*/
 #endif /*_WMI_UNIFIED_11BE_TLV_H_*/
diff --git a/wmi/src/wmi_unified_11be_tlv.c b/wmi/src/wmi_unified_11be_tlv.c
index 5d887c54ba..2288a83a20 100644
--- a/wmi/src/wmi_unified_11be_tlv.c
+++ b/wmi/src/wmi_unified_11be_tlv.c
@@ -45,3 +45,70 @@ uint8_t *vdev_create_add_mlo_params(uint8_t *buf_ptr,
 		  QDF_MAC_ADDR_REF(param->mlo_mac));
 	return buf_ptr + sizeof(wmi_vdev_create_mlo_params);
 }
+
+size_t vdev_start_mlo_params_size(struct vdev_start_params *req)
+{
+	size_t vdev_start_mlo_size;
+
+	vdev_start_mlo_size = sizeof(wmi_vdev_start_mlo_params) +
+			      WMI_TLV_HDR_SIZE +
+			      (req->mlo_partner.num_links *
+			      sizeof(wmi_partner_link_params)) +
+			      WMI_TLV_HDR_SIZE;
+
+	return vdev_start_mlo_size;
+}
+
+uint8_t *vdev_start_add_mlo_params(uint8_t *buf_ptr,
+				   struct vdev_start_params *req)
+{
+	wmi_vdev_start_mlo_params *mlo_params;
+
+	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
+		       sizeof(wmi_vdev_start_mlo_params));
+	buf_ptr += sizeof(uint32_t);
+
+	mlo_params = (wmi_vdev_start_mlo_params *)buf_ptr;
+	WMITLV_SET_HDR(&mlo_params->tlv_header,
+		       WMITLV_TAG_STRUC_wmi_vdev_start_mlo_params,
+		       WMITLV_GET_STRUCT_TLVLEN(wmi_vdev_start_mlo_params));
+
+	mlo_params->mlo_flags.mlo_flags = 0;
+	WMI_MLO_FLAGS_SET_ENABLED(mlo_params->mlo_flags.mlo_flags,
+				  req->mlo_flags.mlo_enabled);
+	WMI_MLO_FLAGS_SET_ASSOC_LINK(mlo_params->mlo_flags.mlo_flags,
+				     req->mlo_flags.mlo_assoc_link);
+
+	return buf_ptr + sizeof(wmi_vdev_start_mlo_params);
+}
+
+uint8_t *vdev_start_add_ml_partner_links(uint8_t *buf_ptr,
+					 struct vdev_start_params *req)
+{
+	wmi_partner_link_params *ml_partner_link;
+	struct mlo_vdev_start_partner_links *req_partner;
+	uint8_t i;
+
+	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
+		      (req->mlo_partner.num_links *
+		      sizeof(wmi_partner_link_params)));
+	buf_ptr += sizeof(uint32_t);
+
+	req_partner = &req->mlo_partner;
+	ml_partner_link = (wmi_partner_link_params *)buf_ptr;
+	for (i = 0; i < req->mlo_partner.num_links; i++) {
+		WMITLV_SET_HDR(&ml_partner_link->tlv_header,
+			       WMITLV_TAG_STRUC_wmi_partner_link_params,
+			       WMITLV_GET_STRUCT_TLVLEN(wmi_partner_link_params));
+		ml_partner_link->vdev_id = req_partner->partner_info[i].vdev_id;
+		ml_partner_link->hw_link_id =
+				req_partner->partner_info[i].hw_mld_link_id;
+		WMI_CHAR_ARRAY_TO_MAC_ADDR(req_partner->partner_info[i].mac_addr,
+					   &ml_partner_link->vdev_macaddr);
+		ml_partner_link++;
+	}
+
+	return buf_ptr +
+		(req->mlo_partner.num_links *
+		 sizeof(wmi_partner_link_params));
+}
diff --git a/wmi/src/wmi_unified_tlv.c b/wmi/src/wmi_unified_tlv.c
index 4b4d5e570f..8dec4e0e51 100644
--- a/wmi/src/wmi_unified_tlv.c
+++ b/wmi/src/wmi_unified_tlv.c
@@ -1075,6 +1075,7 @@ static QDF_STATUS send_vdev_start_cmd_tlv(wmi_unified_t wmi_handle,
 	uint8_t *buf_ptr;
 
 	len = sizeof(*cmd) + sizeof(wmi_channel) + WMI_TLV_HDR_SIZE;
+	len += vdev_start_mlo_params_size(req);
 	buf = wmi_buf_alloc(wmi_handle, len);
 	if (!buf)
 		return QDF_STATUS_E_NOMEM;
@@ -1133,6 +1134,11 @@ static QDF_STATUS send_vdev_start_cmd_tlv(wmi_unified_t wmi_handle,
 	WMITLV_SET_HDR(buf_ptr, WMITLV_TAG_ARRAY_STRUC,
 		       cmd->num_noa_descriptors *
 		       sizeof(wmi_p2p_noa_descriptor));
+	buf_ptr += WMI_TLV_HDR_SIZE +
+		   (cmd->num_noa_descriptors * sizeof(wmi_p2p_noa_descriptor));
+
+	buf_ptr = vdev_start_add_mlo_params(buf_ptr, req);
+	buf_ptr = vdev_start_add_ml_partner_links(buf_ptr, req);
 	wmi_info("vdev_id %d freq %d chanmode %d ch_info: 0x%x is_dfs %d "
 		 "beacon interval %d dtim %d center_chan %d center_freq2 %d "
 		 "reg_info_1: 0x%x reg_info_2: 0x%x, req->max_txpow: 0x%x "