diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c
index c74d02a..2e8fee9 100644
--- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c
+++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_encap.c
@@ -96,6 +96,238 @@ static inline void opa_vnic_make_header(u8 *hdr, u32 slid, u32 dlid, u16 len,
 	memcpy(hdr, h, OPA_VNIC_HDR_LEN);
 }
 
+/*
+ * Using a simple hash table for mac table implementation with the last octet
+ * of mac address as a key.
+ */
+static void opa_vnic_free_mac_tbl(struct hlist_head *mactbl)
+{
+	struct opa_vnic_mac_tbl_node *node;
+	struct hlist_node *tmp;
+	int bkt;
+
+	if (!mactbl)
+		return;
+
+	vnic_hash_for_each_safe(mactbl, bkt, tmp, node, hlist) {
+		hash_del(&node->hlist);
+		kfree(node);
+	}
+	kfree(mactbl);
+}
+
+static struct hlist_head *opa_vnic_alloc_mac_tbl(void)
+{
+	u32 size = sizeof(struct hlist_head) * OPA_VNIC_MAC_TBL_SIZE;
+	struct hlist_head *mactbl;
+
+	mactbl = kzalloc(size, GFP_KERNEL);
+	if (!mactbl)
+		return ERR_PTR(-ENOMEM);
+
+	vnic_hash_init(mactbl);
+	return mactbl;
+}
+
+/* opa_vnic_release_mac_tbl - empty and free the mac table */
+void opa_vnic_release_mac_tbl(struct opa_vnic_adapter *adapter)
+{
+	struct hlist_head *mactbl;
+
+	mutex_lock(&adapter->mactbl_lock);
+	mactbl = rcu_access_pointer(adapter->mactbl);
+	rcu_assign_pointer(adapter->mactbl, NULL);
+	synchronize_rcu();
+	opa_vnic_free_mac_tbl(mactbl);
+	mutex_unlock(&adapter->mactbl_lock);
+}
+
+/*
+ * opa_vnic_query_mac_tbl - query the mac table for a section
+ *
+ * This function implements query of specific function of the mac table.
+ * The function also expects the requested range to be valid.
+ */
+void opa_vnic_query_mac_tbl(struct opa_vnic_adapter *adapter,
+			    struct opa_veswport_mactable *tbl)
+{
+	struct opa_vnic_mac_tbl_node *node;
+	struct hlist_head *mactbl;
+	int bkt;
+	u16 loffset, lnum_entries;
+
+	rcu_read_lock();
+	mactbl = rcu_dereference(adapter->mactbl);
+	if (!mactbl)
+		goto get_mac_done;
+
+	loffset = be16_to_cpu(tbl->offset);
+	lnum_entries = be16_to_cpu(tbl->num_entries);
+
+	vnic_hash_for_each(mactbl, bkt, node, hlist) {
+		struct __opa_vnic_mactable_entry *nentry = &node->entry;
+		struct opa_veswport_mactable_entry *entry;
+
+		if ((node->index < loffset) ||
+		    (node->index >= (loffset + lnum_entries)))
+			continue;
+
+		/* populate entry in the tbl corresponding to the index */
+		entry = &tbl->tbl_entries[node->index - loffset];
+		memcpy(entry->mac_addr, nentry->mac_addr,
+		       ARRAY_SIZE(entry->mac_addr));
+		memcpy(entry->mac_addr_mask, nentry->mac_addr_mask,
+		       ARRAY_SIZE(entry->mac_addr_mask));
+		entry->dlid_sd = cpu_to_be32(nentry->dlid_sd);
+	}
+	tbl->mac_tbl_digest = cpu_to_be32(adapter->info.vport.mac_tbl_digest);
+get_mac_done:
+	rcu_read_unlock();
+}
+
+/*
+ * opa_vnic_update_mac_tbl - update mac table section
+ *
+ * This function updates the specified section of the mac table.
+ * The procedure includes following steps.
+ *  - Allocate a new mac (hash) table.
+ *  - Add the specified entries to the new table.
+ *    (except the ones that are requested to be deleted).
+ *  - Add all the other entries from the old mac table.
+ *  - If there is a failure, free the new table and return.
+ *  - Switch to the new table.
+ *  - Free the old table and return.
+ *
+ * The function also expects the requested range to be valid.
+ */
+int opa_vnic_update_mac_tbl(struct opa_vnic_adapter *adapter,
+			    struct opa_veswport_mactable *tbl)
+{
+	struct opa_vnic_mac_tbl_node *node, *new_node;
+	struct hlist_head *new_mactbl, *old_mactbl;
+	int i, bkt, rc = 0;
+	u8 key;
+	u16 loffset, lnum_entries;
+
+	mutex_lock(&adapter->mactbl_lock);
+	/* allocate new mac table */
+	new_mactbl = opa_vnic_alloc_mac_tbl();
+	if (IS_ERR(new_mactbl)) {
+		mutex_unlock(&adapter->mactbl_lock);
+		return PTR_ERR(new_mactbl);
+	}
+
+	loffset = be16_to_cpu(tbl->offset);
+	lnum_entries = be16_to_cpu(tbl->num_entries);
+
+	/* add updated entries to the new mac table */
+	for (i = 0; i < lnum_entries; i++) {
+		struct __opa_vnic_mactable_entry *nentry;
+		struct opa_veswport_mactable_entry *entry =
+							&tbl->tbl_entries[i];
+		u8 *mac_addr = entry->mac_addr;
+		u8 empty_mac[ETH_ALEN] = { 0 };
+
+		v_dbg("new mac entry %4d: %02x:%02x:%02x:%02x:%02x:%02x %x\n",
+		      loffset + i, mac_addr[0], mac_addr[1], mac_addr[2],
+		      mac_addr[3], mac_addr[4], mac_addr[5],
+		      entry->dlid_sd);
+
+		/* if the entry is being removed, do not add it */
+		if (!memcmp(mac_addr, empty_mac, ARRAY_SIZE(empty_mac)))
+			continue;
+
+		node = kzalloc(sizeof(*node), GFP_KERNEL);
+		if (!node) {
+			rc = -ENOMEM;
+			goto updt_done;
+		}
+
+		node->index = loffset + i;
+		nentry = &node->entry;
+		memcpy(nentry->mac_addr, entry->mac_addr,
+		       ARRAY_SIZE(nentry->mac_addr));
+		memcpy(nentry->mac_addr_mask, entry->mac_addr_mask,
+		       ARRAY_SIZE(nentry->mac_addr_mask));
+		nentry->dlid_sd = be32_to_cpu(entry->dlid_sd);
+		key = node->entry.mac_addr[OPA_VNIC_MAC_HASH_IDX];
+		vnic_hash_add(new_mactbl, &node->hlist, key);
+	}
+
+	/* add other entries from current mac table to new mac table */
+	old_mactbl = rcu_access_pointer(adapter->mactbl);
+	if (!old_mactbl)
+		goto switch_tbl;
+
+	vnic_hash_for_each(old_mactbl, bkt, node, hlist) {
+		if ((node->index >= loffset) &&
+		    (node->index < (loffset + lnum_entries)))
+			continue;
+
+		new_node = kzalloc(sizeof(*new_node), GFP_KERNEL);
+		if (!new_node) {
+			rc = -ENOMEM;
+			goto updt_done;
+		}
+
+		new_node->index = node->index;
+		memcpy(&new_node->entry, &node->entry, sizeof(node->entry));
+		key = new_node->entry.mac_addr[OPA_VNIC_MAC_HASH_IDX];
+		vnic_hash_add(new_mactbl, &new_node->hlist, key);
+	}
+
+switch_tbl:
+	/* switch to new table */
+	rcu_assign_pointer(adapter->mactbl, new_mactbl);
+	synchronize_rcu();
+
+	adapter->info.vport.mac_tbl_digest = be32_to_cpu(tbl->mac_tbl_digest);
+updt_done:
+	/* upon failure, free the new table; otherwise, free the old table */
+	if (rc)
+		opa_vnic_free_mac_tbl(new_mactbl);
+	else
+		opa_vnic_free_mac_tbl(old_mactbl);
+
+	mutex_unlock(&adapter->mactbl_lock);
+	return rc;
+}
+
+/* opa_vnic_chk_mac_tbl - check mac table for dlid */
+static uint32_t opa_vnic_chk_mac_tbl(struct opa_vnic_adapter *adapter,
+				     struct ethhdr *mac_hdr)
+{
+	struct opa_vnic_mac_tbl_node *node;
+	struct hlist_head *mactbl;
+	u32 dlid = 0;
+	u8 key;
+
+	rcu_read_lock();
+	mactbl = rcu_dereference(adapter->mactbl);
+	if (unlikely(!mactbl))
+		goto chk_done;
+
+	key = mac_hdr->h_dest[OPA_VNIC_MAC_HASH_IDX];
+	vnic_hash_for_each_possible(mactbl, node, hlist, key) {
+		struct __opa_vnic_mactable_entry *entry = &node->entry;
+
+		/* if related to source mac, skip */
+		if (unlikely(OPA_VNIC_DLID_SD_IS_SRC_MAC(entry->dlid_sd)))
+			continue;
+
+		if (!memcmp(node->entry.mac_addr, mac_hdr->h_dest,
+			    ARRAY_SIZE(node->entry.mac_addr))) {
+			/* mac address found */
+			dlid = OPA_VNIC_DLID_SD_GET_DLID(node->entry.dlid_sd);
+			break;
+		}
+	}
+
+chk_done:
+	rcu_read_unlock();
+	return dlid;
+}
+
 /* opa_vnic_get_dlid - find and return the DLID */
 static uint32_t opa_vnic_get_dlid(struct opa_vnic_adapter *adapter,
 				  struct sk_buff *skb, u8 def_port)
@@ -104,6 +336,10 @@ static uint32_t opa_vnic_get_dlid(struct opa_vnic_adapter *adapter,
 	struct ethhdr *mac_hdr = (struct ethhdr *)skb_mac_header(skb);
 	u32 dlid;
 
+	dlid = opa_vnic_chk_mac_tbl(adapter, mac_hdr);
+	if (dlid)
+		return dlid;
+
 	if (is_multicast_ether_addr(mac_hdr->h_dest)) {
 		dlid = info->vesw.u_mcast_dlid;
 	} else {
diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_internal.h b/drivers/infiniband/ulp/opa_vnic/opa_vnic_internal.h
index 1c10dc2..bec4866 100644
--- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_internal.h
+++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_internal.h
@@ -169,6 +169,8 @@ struct __opa_veswport_trap {
  * @vport_num: vesw port number
  * @lock: adapter lock
  * @info: virtual ethernet switch port information
+ * @mactbl: hash table of MAC entries
+ * @mactbl_lock: mac table lock
  * @stats_lock: statistics lock
  * @flow_tbl: flow to default port redirection table
  */
@@ -184,6 +186,10 @@ struct opa_vnic_adapter {
 	struct mutex lock;
 
 	struct __opa_veswport_info  info;
+	struct hlist_head  __rcu   *mactbl;
+
+	/* Lock used to protect updates to mac table */
+	struct mutex mactbl_lock;
 
 	/* Lock used to protect access to vnic counters */
 	struct mutex stats_lock;
@@ -191,6 +197,25 @@ struct opa_vnic_adapter {
 	u8 flow_tbl[OPA_VNIC_FLOW_TBL_SIZE];
 };
 
+/* Same as opa_veswport_mactable_entry, but without bitwise attribute */
+struct __opa_vnic_mactable_entry {
+	u8  mac_addr[ETH_ALEN];
+	u8  mac_addr_mask[ETH_ALEN];
+	u32 dlid_sd;
+} __packed;
+
+/**
+ * struct opa_vnic_mac_tbl_node - OPA VNIC mac table node
+ * @hlist: hash list handle
+ * @index: index of entry in the mac table
+ * @entry: entry in the table
+ */
+struct opa_vnic_mac_tbl_node {
+	struct hlist_node                    hlist;
+	u16                                  index;
+	struct __opa_vnic_mactable_entry     entry;
+};
+
 #define v_dbg(format, arg...) \
 	netdev_dbg(adapter->netdev, format, ## arg)
 #define v_err(format, arg...) \
@@ -212,12 +237,38 @@ struct opa_vnic_adapter {
 #define OPA_VNIC_MAC_TBL_HASH_BITS    8
 #define OPA_VNIC_MAC_TBL_SIZE  BIT(OPA_VNIC_MAC_TBL_HASH_BITS)
 
+/* VNIC HASH MACROS */
+#define vnic_hash_init(hashtable) __hash_init(hashtable, OPA_VNIC_MAC_TBL_SIZE)
+
+#define vnic_hash_add(hashtable, node, key)                                   \
+	hlist_add_head(node,                                                  \
+		&hashtable[hash_min(key, ilog2(OPA_VNIC_MAC_TBL_SIZE))])
+
+#define vnic_hash_for_each_safe(name, bkt, tmp, obj, member)                  \
+	for ((bkt) = 0, obj = NULL;                                           \
+		    !obj && (bkt) < OPA_VNIC_MAC_TBL_SIZE; (bkt)++)           \
+		hlist_for_each_entry_safe(obj, tmp, &name[bkt], member)
+
+#define vnic_hash_for_each_possible(name, obj, member, key)                   \
+	hlist_for_each_entry(obj,                                             \
+		&name[hash_min(key, ilog2(OPA_VNIC_MAC_TBL_SIZE))], member)
+
+#define vnic_hash_for_each(name, bkt, obj, member)                            \
+	for ((bkt) = 0, obj = NULL;                                           \
+		    !obj && (bkt) < OPA_VNIC_MAC_TBL_SIZE; (bkt)++)           \
+		hlist_for_each_entry(obj, &name[bkt], member)
+
 struct opa_vnic_adapter *opa_vnic_add_netdev(struct ib_device *ibdev,
 					     u8 port_num, u8 vport_num);
 void opa_vnic_rem_netdev(struct opa_vnic_adapter *adapter);
 void opa_vnic_encap_skb(struct opa_vnic_adapter *adapter, struct sk_buff *skb);
 u8 opa_vnic_get_vl(struct opa_vnic_adapter *adapter, struct sk_buff *skb);
 u8 opa_vnic_calc_entropy(struct opa_vnic_adapter *adapter, struct sk_buff *skb);
+void opa_vnic_release_mac_tbl(struct opa_vnic_adapter *adapter);
+void opa_vnic_query_mac_tbl(struct opa_vnic_adapter *adapter,
+			    struct opa_veswport_mactable *tbl);
+int opa_vnic_update_mac_tbl(struct opa_vnic_adapter *adapter,
+			    struct opa_veswport_mactable *tbl);
 void opa_vnic_set_ethtool_ops(struct net_device *netdev);
 
 #endif /* _OPA_VNIC_INTERNAL_H */
diff --git a/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c b/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c
index 90fd783..a077730 100644
--- a/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c
+++ b/drivers/infiniband/ulp/opa_vnic/opa_vnic_netdev.c
@@ -208,6 +208,7 @@ struct opa_vnic_adapter *opa_vnic_add_netdev(struct ib_device *ibdev,
 	netdev->priv_flags |= IFF_LIVE_ADDR_CHANGE;
 	netdev->hard_header_len += OPA_VNIC_SKB_HEADROOM;
 	mutex_init(&adapter->lock);
+	mutex_init(&adapter->mactbl_lock);
 	mutex_init(&adapter->stats_lock);
 
 	SET_NETDEV_DEV(netdev, ibdev->dev.parent);
@@ -224,6 +225,7 @@ struct opa_vnic_adapter *opa_vnic_add_netdev(struct ib_device *ibdev,
 	return adapter;
 netdev_err:
 	mutex_destroy(&adapter->lock);
+	mutex_destroy(&adapter->mactbl_lock);
 	mutex_destroy(&adapter->stats_lock);
 	kfree(adapter);
 adapter_err:
@@ -240,7 +242,9 @@ void opa_vnic_rem_netdev(struct opa_vnic_adapter *adapter)
 
 	v_info("removing\n");
 	unregister_netdev(netdev);
+	opa_vnic_release_mac_tbl(adapter);
 	mutex_destroy(&adapter->lock);
+	mutex_destroy(&adapter->mactbl_lock);
 	mutex_destroy(&adapter->stats_lock);
 	kfree(adapter);
 	ibdev->free_rdma_netdev(netdev);
