diff --git a/drivers/net/ethernet/emulex/benet/be.h b/drivers/net/ethernet/emulex/benet/be.h
index cb5777bb74292a951602cd1d963e38bc472e46bf..8cd384d0e38ae79b8acfcf3834b004e34d4a9ddd 100644
--- a/drivers/net/ethernet/emulex/benet/be.h
+++ b/drivers/net/ethernet/emulex/benet/be.h
@@ -105,6 +105,8 @@
 
 #define MAX_VFS			30 /* Max VFs supported by BE3 FW */
 #define FW_VER_LEN		32
+#define	CNTL_SERIAL_NUM_WORDS	8  /* Controller serial number words */
+#define	CNTL_SERIAL_NUM_WORD_SZ	(sizeof(u16)) /* Byte-sz of serial num word */
 
 #define	RSS_INDIR_TABLE_LEN	128
 #define RSS_HASH_KEY_LEN	40
@@ -590,6 +592,7 @@ struct be_adapter {
 	struct rss_info rss_info;
 	/* Filters for packets that need to be sent to BMC */
 	u32 bmc_filt_mask;
+	u16 serial_num[CNTL_SERIAL_NUM_WORDS];
 };
 
 #define be_physfn(adapter)		(!adapter->virtfn)
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.c b/drivers/net/ethernet/emulex/benet/be_cmds.c
index ecad46f796539f9b5a4dcc331939fee6da3bb1d3..3be1fbdcdd0215cbd6589001b3a11c2091d309c2 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.c
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.c
@@ -2852,10 +2852,11 @@ int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
 	struct be_mcc_wrb *wrb;
 	struct be_cmd_req_cntl_attribs *req;
 	struct be_cmd_resp_cntl_attribs *resp;
-	int status;
+	int status, i;
 	int payload_len = max(sizeof(*req), sizeof(*resp));
 	struct mgmt_controller_attrib *attribs;
 	struct be_dma_mem attribs_cmd;
+	u32 *serial_num;
 
 	if (mutex_lock_interruptible(&adapter->mbox_lock))
 		return -1;
@@ -2886,6 +2887,10 @@ int be_cmd_get_cntl_attributes(struct be_adapter *adapter)
 	if (!status) {
 		attribs = attribs_cmd.va + sizeof(struct be_cmd_resp_hdr);
 		adapter->hba_port_num = attribs->hba_attribs.phy_port;
+		serial_num = attribs->hba_attribs.controller_serial_number;
+		for (i = 0; i < CNTL_SERIAL_NUM_WORDS; i++)
+			adapter->serial_num[i] = le32_to_cpu(serial_num[i]) &
+				(BIT_MASK(16) - 1);
 	}
 
 err:
diff --git a/drivers/net/ethernet/emulex/benet/be_cmds.h b/drivers/net/ethernet/emulex/benet/be_cmds.h
index a4479f7488d3cb663091283da9781b2ff99b7505..36d835bd5f3c06f86020e4c192c02cf074bf2340 100644
--- a/drivers/net/ethernet/emulex/benet/be_cmds.h
+++ b/drivers/net/ethernet/emulex/benet/be_cmds.h
@@ -1637,10 +1637,12 @@ struct be_cmd_req_set_qos {
 struct mgmt_hba_attribs {
 	u32 rsvd0[24];
 	u8 controller_model_number[32];
-	u32 rsvd1[79];
-	u8 rsvd2[3];
+	u32 rsvd1[16];
+	u32 controller_serial_number[8];
+	u32 rsvd2[55];
+	u8 rsvd3[3];
 	u8 phy_port;
-	u32 rsvd3[13];
+	u32 rsvd4[13];
 } __packed;
 
 struct mgmt_controller_attrib {
diff --git a/drivers/net/ethernet/emulex/benet/be_main.c b/drivers/net/ethernet/emulex/benet/be_main.c
index c996dd76f5461253dc841ebf2fe539f813954b2b..5e92db8947d99525791be5f74fa99ffa257b04a2 100644
--- a/drivers/net/ethernet/emulex/benet/be_main.c
+++ b/drivers/net/ethernet/emulex/benet/be_main.c
@@ -5219,6 +5219,27 @@ static netdev_features_t be_features_check(struct sk_buff *skb,
 }
 #endif
 
+static int be_get_phys_port_id(struct net_device *dev,
+			       struct netdev_phys_item_id *ppid)
+{
+	int i, id_len = CNTL_SERIAL_NUM_WORDS * CNTL_SERIAL_NUM_WORD_SZ + 1;
+	struct be_adapter *adapter = netdev_priv(dev);
+	u8 *id;
+
+	if (MAX_PHYS_ITEM_ID_LEN < id_len)
+		return -ENOSPC;
+
+	ppid->id[0] = adapter->hba_port_num + 1;
+	id = &ppid->id[1];
+	for (i = CNTL_SERIAL_NUM_WORDS - 1; i >= 0;
+	     i--, id += CNTL_SERIAL_NUM_WORD_SZ)
+		memcpy(id, &adapter->serial_num[i], CNTL_SERIAL_NUM_WORD_SZ);
+
+	ppid->id_len = id_len;
+
+	return 0;
+}
+
 static const struct net_device_ops be_netdev_ops = {
 	.ndo_open		= be_open,
 	.ndo_stop		= be_close,
@@ -5249,6 +5270,7 @@ static const struct net_device_ops be_netdev_ops = {
 	.ndo_del_vxlan_port	= be_del_vxlan_port,
 	.ndo_features_check	= be_features_check,
 #endif
+	.ndo_get_phys_port_id   = be_get_phys_port_id,
 };
 
 static void be_netdev_init(struct net_device *netdev)