diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h
index d40e18ce3293..6f0b6e60ceb8 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_main.h
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_main.h
@@ -167,7 +167,6 @@ struct sparx5_port {
 	enum sparx5_port_max_tags max_vlan_tags;
 	enum sparx5_vlan_port_type vlan_type;
 	u32 custom_etype;
-	u32 ifh[IFH_LEN];
 	bool vlan_aware;
 	struct hrtimer inj_timer;
 };
@@ -288,6 +287,7 @@ void sparx5_get_stats64(struct net_device *ndev, struct rtnl_link_stats64 *stats
 int sparx_stats_init(struct sparx5 *sparx5);
 
 /* sparx5_netdev.c */
+void sparx5_set_port_ifh(void *ifh_hdr, u16 portno);
 bool sparx5_netdevice_check(const struct net_device *dev);
 struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno);
 int sparx5_register_netdevs(struct sparx5 *sparx5);
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
index e042f117dc7a..86cae8bf42da 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_netdev.c
@@ -54,7 +54,7 @@ static void __ifh_encode_bitfield(void *ifh, u64 value, u32 pos, u32 width)
 		ifh_hdr[byte - 5] |= (u8)((encode & 0xFF0000000000) >> 40);
 }
 
-static void sparx5_set_port_ifh(void *ifh_hdr, u16 portno)
+void sparx5_set_port_ifh(void *ifh_hdr, u16 portno)
 {
 	/* VSTAX.RSV = 1. MSBit must be 1 */
 	ifh_encode_bitfield(ifh_hdr, 1, VSTAX + 79,  1);
@@ -210,7 +210,6 @@ struct net_device *sparx5_create_netdev(struct sparx5 *sparx5, u32 portno)
 	spx5_port->ndev = ndev;
 	spx5_port->sparx5 = sparx5;
 	spx5_port->portno = portno;
-	sparx5_set_port_ifh(spx5_port->ifh, portno);
 
 	ndev->netdev_ops = &sparx5_port_netdev_ops;
 	ndev->ethtool_ops = &sparx5_ethtool_ops;
diff --git a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
index 148d431fcde4..d9c812f7d248 100644
--- a/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
+++ b/drivers/net/ethernet/microchip/sparx5/sparx5_packet.c
@@ -218,12 +218,16 @@ int sparx5_port_xmit_impl(struct sk_buff *skb, struct net_device *dev)
 	struct net_device_stats *stats = &dev->stats;
 	struct sparx5_port *port = netdev_priv(dev);
 	struct sparx5 *sparx5 = port->sparx5;
+	u32 ifh[IFH_LEN];
 	int ret;
 
+	memset(ifh, 0, IFH_LEN * 4);
+	sparx5_set_port_ifh(ifh, port->portno);
+
 	if (sparx5->fdma_irq > 0)
-		ret = sparx5_fdma_xmit(sparx5, port->ifh, skb);
+		ret = sparx5_fdma_xmit(sparx5, ifh, skb);
 	else
-		ret = sparx5_inject(sparx5, port->ifh, skb, dev);
+		ret = sparx5_inject(sparx5, ifh, skb, dev);
 
 	if (ret == NETDEV_TX_OK) {
 		stats->tx_bytes += skb->len;