diff --git a/cfgmgr/stpmgr.h b/cfgmgr/stpmgr.h
index a5c6db97ec..c309f20586 100644
--- a/cfgmgr/stpmgr.h
+++ b/cfgmgr/stpmgr.h
@@ -28,7 +28,6 @@
 #include "netmsg.h"
 #include "orch.h"
 #include "producerstatetable.h"
-#include <stp_ipc.h>
 #include <stddef.h>
 #include <algorithm>
 
@@ -56,7 +55,155 @@
 
 #define IS_INST_ID_AVAILABLE() (l2InstPool.count() < max_stp_instances) ? true : false
 
+#define STPD_SOCK_NAME "/var/run/stpipc.sock"
 
+typedef enum L2_PROTO_MODE{
+    L2_NONE,
+    L2_PVSTP,
+}L2_PROTO_MODE;
+
+typedef enum STP_MSG_TYPE {
+    STP_INVALID_MSG,
+    STP_INIT_READY,
+    STP_BRIDGE_CONFIG,
+    STP_VLAN_CONFIG,
+    STP_VLAN_PORT_CONFIG,
+    STP_PORT_CONFIG,
+    STP_VLAN_MEM_CONFIG,
+    STP_STPCTL_MSG,
+    STP_MAX_MSG
+}STP_MSG_TYPE;
+
+typedef enum STP_CTL_TYPE {
+    STP_CTL_HELP,
+    STP_CTL_DUMP_ALL,
+    STP_CTL_DUMP_GLOBAL,
+    STP_CTL_DUMP_VLAN_ALL,
+    STP_CTL_DUMP_VLAN,
+    STP_CTL_DUMP_INTF,
+    STP_CTL_SET_LOG_LVL,
+    STP_CTL_DUMP_NL_DB,
+    STP_CTL_DUMP_NL_DB_INTF,
+    STP_CTL_DUMP_LIBEV_STATS,
+    STP_CTL_SET_DBG,
+    STP_CTL_CLEAR_ALL,
+    STP_CTL_CLEAR_VLAN,
+    STP_CTL_CLEAR_INTF,
+    STP_CTL_CLEAR_VLAN_INTF,
+    STP_CTL_MAX
+}STP_CTL_TYPE;
+
+typedef struct STP_IPC_MSG {
+    int             msg_type;
+    unsigned int    msg_len;
+    char            data[0];
+}STP_IPC_MSG;
+
+#define STP_SET_COMMAND      1
+#define STP_DEL_COMMAND      0
+
+typedef struct STP_INIT_READY_MSG {
+    uint8_t     opcode; // enable/disable
+    uint16_t    max_stp_instances;
+}__attribute__ ((packed))STP_INIT_READY_MSG;
+
+typedef struct STP_BRIDGE_CONFIG_MSG {
+    uint8_t     opcode; // enable/disable
+    uint8_t     stp_mode;
+    int         rootguard_timeout;
+    uint8_t     base_mac_addr[6];
+}__attribute__ ((packed))STP_BRIDGE_CONFIG_MSG;
+
+typedef struct PORT_ATTR {
+    char       intf_name[IFNAMSIZ];
+    int8_t     mode;
+    uint8_t    enabled;
+}PORT_ATTR;
+
+typedef struct STP_VLAN_CONFIG_MSG {
+    uint8_t     opcode; // enable/disable
+    uint8_t     newInstance;
+    int         vlan_id;
+    int         inst_id;
+    int         forward_delay;
+    int         hello_time;
+    int         max_age;
+    int         priority;
+    int         count;
+    PORT_ATTR   port_list[0];
+}__attribute__ ((packed))STP_VLAN_CONFIG_MSG;
+
+typedef struct STP_VLAN_PORT_CONFIG_MSG {
+    uint8_t     opcode; // enable/disable
+    int         vlan_id;
+    char        intf_name[IFNAMSIZ];
+    int         inst_id;
+    int         path_cost;
+    int         priority;
+}__attribute__ ((packed))STP_VLAN_PORT_CONFIG_MSG;
+
+typedef struct VLAN_ATTR {
+    int         inst_id;
+    int         vlan_id;
+    int8_t      mode;
+}VLAN_ATTR;
+
+typedef struct STP_PORT_CONFIG_MSG {
+    uint8_t     opcode; // enable/disable
+    char        intf_name[IFNAMSIZ];
+    uint8_t     enabled;
+    uint8_t     root_guard;
+    uint8_t     bpdu_guard;
+    uint8_t     bpdu_guard_do_disable;
+    uint8_t     portfast;
+    uint8_t     uplink_fast;
+    int         path_cost;
+    int         priority;
+    int         count;
+    VLAN_ATTR   vlan_list[0];
+}__attribute__ ((packed))STP_PORT_CONFIG_MSG;
+
+typedef struct STP_VLAN_MEM_CONFIG_MSG {
+    uint8_t     opcode; // enable/disable
+    int         vlan_id;
+    int         inst_id;
+    char        intf_name[IFNAMSIZ];
+    uint8_t     enabled;
+    int8_t      mode;
+    int         path_cost;
+    int         priority;
+}__attribute__ ((packed))STP_VLAN_MEM_CONFIG_MSG;
+
+typedef struct STP_DEBUG_OPT {
+#define STPCTL_DBG_SET_ENABLED  0x0001
+#define STPCTL_DBG_SET_VERBOSE  0x0002
+#define STPCTL_DBG_SET_BPDU_RX  0x0004
+#define STPCTL_DBG_SET_BPDU_TX  0x0008
+#define STPCTL_DBG_SET_EVENT    0x0010
+#define STPCTL_DBG_SET_PORT     0x0020
+#define STPCTL_DBG_SET_VLAN     0x0040
+#define STPCTL_DBG_SHOW         0x0080
+    uint16_t           flags;
+
+    uint8_t            enabled:1;
+    uint8_t            verbose:1;
+    uint8_t            bpdu_rx:1;
+    uint8_t            bpdu_tx:1;
+    uint8_t            event:1;
+    uint8_t            port:1;
+    uint8_t            vlan:1;
+    uint8_t            spare:1;
+} STP_DEBUG_OPT;
+
+typedef struct STP_CTL_MSG {
+    int             cmd_type;
+    int             vlan_id;
+    char            intf_name[IFNAMSIZ];
+    int             level;
+    STP_DEBUG_OPT   dbg;
+}__attribute__ ((packed))STP_CTL_MSG;
+
+#
 namespace swss {
 
 class StpMgr : public Orch