diff --git a/drivers/net/bonding/Makefile b/drivers/net/bonding/Makefile
index dee0875..8b892ca 100644
--- a/drivers/net/bonding/Makefile
+++ b/drivers/net/bonding/Makefile
@@ -41,7 +41,7 @@ CFLAGS += $(WERROR_FLAGS)
 
 EXPORT_MAP := rte_eth_bond_version.map
 
-LIBABIVER := 1
+LIBABIVER := 2
 
 #
 # all source are stored in SRCS-y
diff --git a/drivers/net/bonding/rte_eth_bond_8023ad.c b/drivers/net/bonding/rte_eth_bond_8023ad.c
index 08f679f..312ec11 100644
--- a/drivers/net/bonding/rte_eth_bond_8023ad.c
+++ b/drivers/net/bonding/rte_eth_bond_8023ad.c
@@ -39,9 +39,12 @@
 #include <rte_malloc.h>
 #include <rte_errno.h>
 #include <rte_cycles.h>
+#include <rte_compat.h>
 
 #include "rte_eth_bond_private.h"
 
+static void bond_mode_8023ad_ext_periodic_cb(void *arg);
+
 #ifdef RTE_LIBRTE_BOND_DEBUG_8023AD
 #define MODE4_DEBUG(fmt, ...) RTE_LOG(DEBUG, PMD, "%6u [Port %u: %s] " fmt, \
 			bond_dbg_get_time_diff_ms(), slave_id, \
@@ -999,7 +1002,28 @@ bond_mode_8023ad_mac_address_update(struct rte_eth_dev *bond_dev)
 }
 
 void
-bond_mode_8023ad_conf_get(struct rte_eth_dev *dev,
+bond_mode_8023ad_conf_get_v20(struct rte_eth_dev *dev,
+		struct rte_eth_bond_8023ad_conf *conf)
+{
+	struct bond_dev_private *internals = dev->data->dev_private;
+	struct mode8023ad_private *mode4 = &internals->mode4;
+	uint64_t ms_ticks = rte_get_tsc_hz() / 1000;
+
+	conf->fast_periodic_ms = mode4->fast_periodic_timeout / ms_ticks;
+	conf->slow_periodic_ms = mode4->slow_periodic_timeout / ms_ticks;
+	conf->short_timeout_ms = mode4->short_timeout / ms_ticks;
+	conf->long_timeout_ms = mode4->long_timeout / ms_ticks;
+	conf->aggregate_wait_timeout_ms = mode4->aggregate_wait_timeout / ms_ticks;
+	conf->tx_period_ms = mode4->tx_period_timeout / ms_ticks;
+	conf->update_timeout_ms = mode4->update_timeout_us / 1000;
+	conf->rx_marker_period_ms = mode4->rx_marker_timeout / ms_ticks;
+	conf->slowrx_cb = mode4->slowrx_cb;
+}
+
+VERSION_SYMBOL(bond_mode_8023ad_conf_get, _v20, 2.0);
+
+void
+bond_mode_8023ad_conf_get_v21(struct rte_eth_dev *dev,
 		struct rte_eth_bond_8023ad_conf *conf)
 {
 	struct bond_dev_private *internals = dev->data->dev_private;
@@ -1014,10 +1038,15 @@ bond_mode_8023ad_conf_get(struct rte_eth_dev *dev,
 	conf->tx_period_ms = mode4->tx_period_timeout / ms_ticks;
 	conf->update_timeout_ms = mode4->update_timeout_us / 1000;
 	conf->rx_marker_period_ms = mode4->rx_marker_timeout / ms_ticks;
+	conf->slowrx_cb = mode4->slowrx_cb;
 }
 
+BIND_DEFAULT_SYMBOL(bond_mode_8023ad_conf_get, _v21, 2.1);
+MAP_STATIC_SYMBOL(void bond_mode_8023ad_conf_get(struct rte_eth_dev *dev, struct rte_eth_bond_8023ad_conf *conf), \
+		  bond_mode_8023ad_conf_get_v21);
+
 void
-bond_mode_8023ad_setup(struct rte_eth_dev *dev,
+bond_mode_8023ad_setup_v20(struct rte_eth_dev *dev,
 		struct rte_eth_bond_8023ad_conf *conf)
 {
 	struct rte_eth_bond_8023ad_conf def_conf;
@@ -1047,6 +1076,50 @@ bond_mode_8023ad_setup(struct rte_eth_dev *dev,
 	mode4->update_timeout_us = conf->update_timeout_ms * 1000;
 }
 
+VERSION_SYMBOL(bond_mode_8023ad_setup, _v20, 2.0);
+
+void
+bond_mode_8023ad_setup_v21(struct rte_eth_dev *dev,
+		struct rte_eth_bond_8023ad_conf *conf)
+{
+	struct rte_eth_bond_8023ad_conf def_conf;
+	struct bond_dev_private *internals = dev->data->dev_private;
+	struct mode8023ad_private *mode4 = &internals->mode4;
+	uint64_t ms_ticks = rte_get_tsc_hz() / 1000;
+
+	if (conf == NULL) {
+		conf = &def_conf;
+		conf->fast_periodic_ms = BOND_8023AD_FAST_PERIODIC_MS;
+		conf->slow_periodic_ms = BOND_8023AD_SLOW_PERIODIC_MS;
+		conf->short_timeout_ms = BOND_8023AD_SHORT_TIMEOUT_MS;
+		conf->long_timeout_ms = BOND_8023AD_LONG_TIMEOUT_MS;
+		conf->aggregate_wait_timeout_ms = BOND_8023AD_AGGREGATE_WAIT_TIMEOUT_MS;
+		conf->tx_period_ms = BOND_8023AD_TX_MACHINE_PERIOD_MS;
+		conf->rx_marker_period_ms = BOND_8023AD_RX_MARKER_PERIOD_MS;
+		conf->update_timeout_ms = BOND_MODE_8023AX_UPDATE_TIMEOUT_MS;
+		conf->slowrx_cb = NULL;
+	}
+
+	bond_mode_8023ad_stop(dev);
+
+	mode4->fast_periodic_timeout = conf->fast_periodic_ms * ms_ticks;
+	mode4->slow_periodic_timeout = conf->slow_periodic_ms * ms_ticks;
+	mode4->short_timeout = conf->short_timeout_ms * ms_ticks;
+	mode4->long_timeout = conf->long_timeout_ms * ms_ticks;
+	mode4->aggregate_wait_timeout = conf->aggregate_wait_timeout_ms * ms_ticks;
+	mode4->tx_period_timeout = conf->tx_period_ms * ms_ticks;
+	mode4->rx_marker_timeout = conf->rx_marker_period_ms * ms_ticks;
+	mode4->update_timeout_us = conf->update_timeout_ms * 1000;
+	mode4->slowrx_cb = conf->slowrx_cb;
+
+	if (dev->data->dev_started)
+		bond_mode_8023ad_start(dev);
+}
+
+BIND_DEFAULT_SYMBOL(bond_mode_8023ad_setup, _v21, 2.1);
+MAP_STATIC_SYMBOL(void bond_mode_8023ad_setup(struct rte_eth_dev *dev, struct rte_eth_bond_8023ad_conf *conf), \
+		  bond_mode_8023ad_setup_v21);
+
 int
 bond_mode_8023ad_enable(struct rte_eth_dev *bond_dev)
 {
@@ -1062,6 +1135,13 @@ bond_mode_8023ad_enable(struct rte_eth_dev *bond_dev)
 int
 bond_mode_8023ad_start(struct rte_eth_dev *bond_dev)
 {
+	struct bond_dev_private *internals = bond_dev->data->dev_private;
+	struct mode8023ad_private *mode4 = &internals->mode4;
+
+	if (mode4->slowrx_cb)
+		return rte_eal_alarm_set(BOND_MODE_8023AX_UPDATE_TIMEOUT_MS * 1000,
+			&bond_mode_8023ad_ext_periodic_cb, bond_dev);
+
 	return rte_eal_alarm_set(BOND_MODE_8023AX_UPDATE_TIMEOUT_MS * 1000,
 			&bond_mode_8023ad_periodic_cb, bond_dev);
 }
@@ -1069,6 +1149,13 @@ bond_mode_8023ad_start(struct rte_eth_dev *bond_dev)
 void
 bond_mode_8023ad_stop(struct rte_eth_dev *bond_dev)
 {
+	struct bond_dev_private *internals = bond_dev->data->dev_private;
+	struct mode8023ad_private *mode4 = &internals->mode4;
+
+	if (mode4->slowrx_cb) {
+		rte_eal_alarm_cancel(&bond_mode_8023ad_ext_periodic_cb, bond_dev);
+		return;
+	}
 	rte_eal_alarm_cancel(&bond_mode_8023ad_periodic_cb, bond_dev);
 }
 
@@ -1215,3 +1302,152 @@ rte_eth_bond_8023ad_slave_info(uint8_t port_id, uint8_t slave_id,
 	info->agg_port_id = port->aggregator_port_id;
 	return 0;
 }
+
+int
+rte_eth_bond_8023ad_ext_collect(uint8_t port_id, uint8_t slave_id, int enabled)
+{
+	struct rte_eth_dev *bond_dev;
+	struct bond_dev_private *internals;
+	struct mode8023ad_private *mode4;
+	struct port *port;
+
+	if (rte_eth_bond_mode_get(port_id) != BONDING_MODE_8023AD)
+		return -EINVAL;
+
+	bond_dev = &rte_eth_devices[port_id];
+
+	if (!bond_dev->data->dev_started)
+		return -EINVAL;
+
+	internals = bond_dev->data->dev_private;
+	if (find_slave_by_id(internals->active_slaves,
+			internals->active_slave_count, slave_id) ==
+				internals->active_slave_count)
+		return -EINVAL;
+
+	mode4 = &internals->mode4;
+	if (mode4->slowrx_cb == NULL)
+		return -EINVAL;
+
+	port = &mode_8023ad_ports[slave_id];
+
+	if (enabled)
+		ACTOR_STATE_SET(port, COLLECTING);
+	else
+		ACTOR_STATE_CLR(port, COLLECTING);
+
+	return 0;
+}
+
+int
+rte_eth_bond_8023ad_ext_distrib(uint8_t port_id, uint8_t slave_id, int enabled)
+{
+	struct rte_eth_dev *bond_dev;
+	struct bond_dev_private *internals;
+	struct mode8023ad_private *mode4;
+	struct port *port;
+
+	if (rte_eth_bond_mode_get(port_id) != BONDING_MODE_8023AD)
+		return -EINVAL;
+
+	bond_dev = &rte_eth_devices[port_id];
+
+	if (!bond_dev->data->dev_started)
+		return -EINVAL;
+
+	internals = bond_dev->data->dev_private;
+	if (find_slave_by_id(internals->active_slaves,
+			internals->active_slave_count, slave_id) ==
+				internals->active_slave_count)
+		return -EINVAL;
+
+	mode4 = &internals->mode4;
+	if (mode4->slowrx_cb == NULL)
+		return -EINVAL;
+
+	port = &mode_8023ad_ports[slave_id];
+
+	if (enabled)
+		ACTOR_STATE_SET(port, DISTRIBUTING);
+	else
+		ACTOR_STATE_CLR(port, DISTRIBUTING);
+
+	return 0;
+}
+
+int
+rte_eth_bond_8023ad_ext_slowtx(uint8_t port_id, uint8_t slave_id,
+		struct rte_mbuf *lacp_pkt)
+{
+	struct rte_eth_dev *bond_dev;
+	struct bond_dev_private *internals;
+	struct mode8023ad_private *mode4;
+	struct port *port;
+
+	if (rte_eth_bond_mode_get(port_id) != BONDING_MODE_8023AD)
+		return -EINVAL;
+
+	bond_dev = &rte_eth_devices[port_id];
+
+	if (!bond_dev->data->dev_started)
+		return -EINVAL;
+
+	internals = bond_dev->data->dev_private;
+	if (find_slave_by_id(internals->active_slaves,
+			internals->active_slave_count, slave_id) ==
+				internals->active_slave_count)
+		return -EINVAL;
+
+	mode4 = &internals->mode4;
+	if (mode4->slowrx_cb == NULL)
+		return -EINVAL;
+
+	port = &mode_8023ad_ports[slave_id];
+
+	if (rte_pktmbuf_pkt_len(lacp_pkt) < sizeof(struct lacpdu_header))
+		return -EINVAL;
+
+	struct lacpdu_header *lacp;
+
+	/* only enqueue LACPDUs */
+	lacp = rte_pktmbuf_mtod(lacp_pkt, struct lacpdu_header *);
+	if (lacp->lacpdu.subtype != SLOW_SUBTYPE_LACP)
+		return -EINVAL;
+
+	MODE4_DEBUG("sending LACP frame\n");
+
+	return rte_ring_enqueue(port->tx_ring, lacp_pkt);
+}
+
+static void
+bond_mode_8023ad_ext_periodic_cb(void *arg)
+{
+	struct rte_eth_dev *bond_dev = arg;
+	struct bond_dev_private *internals = bond_dev->data->dev_private;
+	struct mode8023ad_private *mode4 = &internals->mode4;
+	struct port *port;
+	void *pkt = NULL;
+	uint16_t i, slave_id;
+
+	for (i = 0; i < internals->active_slave_count; i++) {
+		slave_id = internals->active_slaves[i];
+		port = &mode_8023ad_ports[slave_id];
+
+		if (rte_ring_dequeue(port->rx_ring, &pkt) == 0) {
+			struct rte_mbuf *lacp_pkt = pkt;
+			struct lacpdu_header *lacp;
+
+			lacp = rte_pktmbuf_mtod(lacp_pkt,
+						struct lacpdu_header *);
+			RTE_VERIFY(lacp->lacpdu.subtype == SLOW_SUBTYPE_LACP);
+
+			/* This is LACP frame so pass it to rx callback.
+			 * Callback is responsible for freeing mbuf.
+			 */
+			mode4->slowrx_cb(slave_id, lacp_pkt);
+		}
+	}
+
+	rte_eal_alarm_set(internals->mode4.update_timeout_us,
+			bond_mode_8023ad_ext_periodic_cb, arg);
+}
diff --git a/drivers/net/bonding/rte_eth_bond_8023ad.h b/drivers/net/bonding/rte_eth_bond_8023ad.h
index ebd0e93..8cfa3d3 100644
--- a/drivers/net/bonding/rte_eth_bond_8023ad.h
+++ b/drivers/net/bonding/rte_eth_bond_8023ad.h
@@ -64,6 +64,8 @@ extern "C" {
 #define MARKER_TLV_TYPE_INFO                0x01
 #define MARKER_TLV_TYPE_RESP                0x02
 
+typedef void (*rte_eth_bond_8023ad_ext_slowrx_fn)(uint8_t slave_id, struct rte_mbuf *lacp_pkt);
+
 enum rte_bond_8023ad_selection {
 	UNSELECTED,
 	STANDBY,
@@ -157,6 +159,7 @@ struct rte_eth_bond_8023ad_conf {
 	uint32_t tx_period_ms;
 	uint32_t rx_marker_period_ms;
 	uint32_t update_timeout_ms;
+	rte_eth_bond_8023ad_ext_slowrx_fn slowrx_cb;
 };
 
 struct rte_eth_bond_8023ad_slave_info {
@@ -219,4 +222,45 @@ rte_eth_bond_8023ad_slave_info(uint8_t port_id, uint8_t slave_id,
 }
 #endif
 
+/**
+ * Configure a slave port to start collecting.
+ *
+ * @param port_id	Bonding device id
+ * @param slave_id	Port id of valid slave.
+ * @param enabled	Non-zero when collection enabled.
+ * @return
+ *   0 - if ok
+ *   -EINVAL if slave is not valid.
+ */
+int
+rte_eth_bond_8023ad_ext_collect(uint8_t port_id, uint8_t slave_id, int enabled);
+
+/**
+ * Configure a slave port to start distributing.
+ *
+ * @param port_id	Bonding device id
+ * @param slave_id	Port id of valid slave.
+ * @param enabled	Non-zero when distribution enabled.
+ * @return
+ *   0 - if ok
+ *   -EINVAL if slave is not valid.
+ */
+int
+rte_eth_bond_8023ad_ext_distrib(uint8_t port_id, uint8_t slave_id, int enabled);
+
+/**
+ * LACPDU transmit path for external 802.3ad state machine.  Caller retains
+ * ownership of the packet on failure.
+ *
+ * @param port_id	Bonding device id
+ * @param slave_id	Port ID of valid slave device.
+ * @param lacp_pkt	mbuf containing LACPDU.
+ *
+ * @return
+ *   0 on success, negative value otherwise.
+ */
+int
+rte_eth_bond_8023ad_ext_slowtx(uint8_t port_id, uint8_t slave_id,
+		struct rte_mbuf *lacp_pkt);
+
 #endif /* RTE_ETH_BOND_8023AD_H_ */
diff --git a/drivers/net/bonding/rte_eth_bond_8023ad_private.h b/drivers/net/bonding/rte_eth_bond_8023ad_private.h
index 8adee70..cb39004 100644
--- a/drivers/net/bonding/rte_eth_bond_8023ad_private.h
+++ b/drivers/net/bonding/rte_eth_bond_8023ad_private.h
@@ -39,6 +39,7 @@
 #include <rte_ether.h>
 #include <rte_byteorder.h>
 #include <rte_atomic.h>
+#include <rte_compat.h>
 
 #include "rte_eth_bond_8023ad.h"
 
@@ -173,6 +174,8 @@ struct mode8023ad_private {
 	uint64_t tx_period_timeout;
 	uint64_t rx_marker_timeout;
 	uint64_t update_timeout_us;
+	rte_eth_bond_8023ad_ext_slowrx_fn slowrx_cb;
+	uint8_t external_sm;
 };
 
 /**
@@ -211,6 +214,31 @@ bond_mode_8023ad_conf_get(struct rte_eth_dev *dev,
 void
 bond_mode_8023ad_setup(struct rte_eth_dev *dev,
 		struct rte_eth_bond_8023ad_conf *conf);
+void __vsym
+bond_mode_8023ad_setup_v20(struct rte_eth_dev *dev,
+		struct rte_eth_bond_8023ad_conf *conf);
+void __vsym
+bond_mode_8023ad_setup_v21(struct rte_eth_dev *dev,
+		struct rte_eth_bond_8023ad_conf *conf);
+
+/**
+ * @internal
+ *
+ * Retreive mode 4 configuration of bonded interface.
+ *
+ * @param dev Bonded interface
+ * @param conf Bonded interface configuration
+ */
+void
+bond_mode_8023ad_conf_get(struct rte_eth_dev *dev,
+		struct rte_eth_bond_8023ad_conf *conf);
+void __vsym
+bond_mode_8023ad_conf_get_v20(struct rte_eth_dev *dev,
+		struct rte_eth_bond_8023ad_conf *conf);
+void __vsym
+bond_mode_8023ad_conf_get_v21(struct rte_eth_dev *dev,
+		struct rte_eth_bond_8023ad_conf *conf);
+
 
 /**
  * @internal
diff --git a/drivers/net/bonding/rte_eth_bond_version.map b/drivers/net/bonding/rte_eth_bond_version.map
index 22bd920..0b76e41 100644
--- a/drivers/net/bonding/rte_eth_bond_version.map
+++ b/drivers/net/bonding/rte_eth_bond_version.map
@@ -17,6 +17,9 @@ DPDK_2.0 {
 	rte_eth_bond_slaves_get;
 	rte_eth_bond_xmit_policy_get;
 	rte_eth_bond_xmit_policy_set;
+	rte_eth_bond_8023ad_ext_collect;
+	rte_eth_bond_8023ad_ext_distrib;
+	rte_eth_bond_8023ad_ext_slowtx;
 
 	local: *;
 };
