diff --git a/dpdk/dpdk-17.11_patches/0001-ena-pmd-no-tx-flags.patch b/dpdk/dpdk-17.11_patches/0001-ena-pmd-no-tx-flags.patch
new file mode 100644
index 0000000..97dbadd
--- /dev/null
+++ b/dpdk/dpdk-17.11_patches/0001-ena-pmd-no-tx-flags.patch
@@ -0,0 +1,21 @@
+diff --git a/drivers/net/ena/ena_ethdev.c b/drivers/net/ena/ena_ethdev.c
+index 22db895..6f982f6 100644
+--- a/drivers/net/ena/ena_ethdev.c
++++ b/drivers/net/ena/ena_ethdev.c
+@@ -261,16 +261,6 @@ static inline void ena_rx_mbuf_prepare(struct rte_mbuf *mbuf,
+ {
+ 	uint64_t ol_flags = 0;
+ 
+-	if (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_TCP)
+-		ol_flags |= PKT_TX_TCP_CKSUM;
+-	else if (ena_rx_ctx->l4_proto == ENA_ETH_IO_L4_PROTO_UDP)
+-		ol_flags |= PKT_TX_UDP_CKSUM;
+-
+-	if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV4)
+-		ol_flags |= PKT_TX_IPV4;
+-	else if (ena_rx_ctx->l3_proto == ENA_ETH_IO_L3_PROTO_IPV6)
+-		ol_flags |= PKT_TX_IPV6;
+-
+ 	if (unlikely(ena_rx_ctx->l4_csum_err))
+ 		ol_flags |= PKT_RX_L4_CKSUM_BAD;
+ 	if (unlikely(ena_rx_ctx->l3_csum_err))