+/**
+ * When packets are coalesced by a hardware or virtual driver, this flag
+ * can be set in the RX mbuf, meaning that the m->tso_segsz field is
+ * valid and is set to the segment size of original packets.
+ */
+#define PKT_RX_LRO (1ULL << 16)
+
+/**
+ * Indicate that the timestamp field in the mbuf is valid.
+ */
+#define PKT_RX_TIMESTAMP (1ULL << 17)
+
+/**
+ * Indicate that security offload processing was applied on the RX packet.
+ */
+#define PKT_RX_SEC_OFFLOAD (1ULL << 18)
+
+/**
+ * Indicate that security offload processing failed on the RX packet.
+ */
+#define PKT_RX_SEC_OFFLOAD_FAILED (1ULL << 19)
+
+/**
+ * The RX packet is a double VLAN, and the outer tci has been
+ * saved in in mbuf->vlan_tci_outer. If PKT_RX_QINQ set, PKT_RX_VLAN
+ * also should be set and inner tci should be saved to mbuf->vlan_tci.
+ * If the flag PKT_RX_QINQ_STRIPPED is also present, both VLANs
+ * headers have been stripped from mbuf data, else they are still
+ * present.
+ */
+#define PKT_RX_QINQ (1ULL << 20)
+
+/**
+ * Mask of bits used to determine the status of outer RX L4 checksum.
+ * - PKT_RX_OUTER_L4_CKSUM_UNKNOWN: no info about the outer RX L4 checksum
+ * - PKT_RX_OUTER_L4_CKSUM_BAD: the outer L4 checksum in the packet is wrong
+ * - PKT_RX_OUTER_L4_CKSUM_GOOD: the outer L4 checksum in the packet is valid
+ * - PKT_RX_OUTER_L4_CKSUM_INVALID: invalid outer L4 checksum state.
+ *
+ * The detection of PKT_RX_OUTER_L4_CKSUM_GOOD shall be based on the given
+ * HW capability, At minimum, the PMD should support
+ * PKT_RX_OUTER_L4_CKSUM_UNKNOWN and PKT_RX_OUTER_L4_CKSUM_BAD states
+ * if the DEV_RX_OFFLOAD_OUTER_UDP_CKSUM offload is available.
+ */
+#define PKT_RX_OUTER_L4_CKSUM_MASK ((1ULL << 21) | (1ULL << 22))
+
+#define PKT_RX_OUTER_L4_CKSUM_UNKNOWN 0
+#define PKT_RX_OUTER_L4_CKSUM_BAD (1ULL << 21)
+#define PKT_RX_OUTER_L4_CKSUM_GOOD (1ULL << 22)
+#define PKT_RX_OUTER_L4_CKSUM_INVALID ((1ULL << 21) | (1ULL << 22))
+
+/* add new RX flags here */
+
+/* add new TX flags here */
+
+/**
+ * Indicate that the metadata field in the mbuf is in use.
+ */
+#define PKT_TX_METADATA (1ULL << 40)
+
+/**
+ * Outer UDP checksum offload flag. This flag is used for enabling
+ * outer UDP checksum in PMD. To use outer UDP checksum, the user needs to
+ * 1) Enable the following in mbuff,
+ * a) Fill outer_l2_len and outer_l3_len in mbuf.
+ * b) Set the PKT_TX_OUTER_UDP_CKSUM flag.
+ * c) Set the PKT_TX_OUTER_IPV4 or PKT_TX_OUTER_IPV6 flag.
+ * 2) Configure DEV_TX_OFFLOAD_OUTER_UDP_CKSUM offload flag.
+ */
+#define PKT_TX_OUTER_UDP_CKSUM (1ULL << 41)
+
+/**
+ * UDP Fragmentation Offload flag. This flag is used for enabling UDP
+ * fragmentation in SW or in HW. When use UFO, mbuf->tso_segsz is used
+ * to store the MSS of UDP fragments.
+ */
+#define PKT_TX_UDP_SEG (1ULL << 42)
+
+/**
+ * Request security offload processing on the TX packet.
+ */
+#define PKT_TX_SEC_OFFLOAD (1ULL << 43)
+
+/**
+ * Offload the MACsec. This flag must be set by the application to enable
+ * this offload feature for a packet to be transmitted.
+ */
+#define PKT_TX_MACSEC (1ULL << 44)
+
+/**
+ * Bits 45:48 used for the tunnel type.
+ * The tunnel type must be specified for TSO or checksum on the inner part
+ * of tunnel packets.
+ * These flags can be used with PKT_TX_TCP_SEG for TSO, or PKT_TX_xxx_CKSUM.
+ * The mbuf fields for inner and outer header lengths are required:
+ * outer_l2_len, outer_l3_len, l2_len, l3_len, l4_len and tso_segsz for TSO.
+ */
+#define PKT_TX_TUNNEL_VXLAN (0x1ULL << 45)
+#define PKT_TX_TUNNEL_GRE (0x2ULL << 45)
+#define PKT_TX_TUNNEL_IPIP (0x3ULL << 45)
+#define PKT_TX_TUNNEL_GENEVE (0x4ULL << 45)
+/** TX packet with MPLS-in-UDP RFC 7510 header. */
+#define PKT_TX_TUNNEL_MPLSINUDP (0x5ULL << 45)
+#define PKT_TX_TUNNEL_VXLAN_GPE (0x6ULL << 45)
+/**
+ * Generic IP encapsulated tunnel type, used for TSO and checksum offload.
+ * It can be used for tunnels which are not standards or listed above.
+ * It is preferred to use specific tunnel flags like PKT_TX_TUNNEL_GRE
+ * or PKT_TX_TUNNEL_IPIP if possible.
+ * The ethdev must be configured with DEV_TX_OFFLOAD_IP_TNL_TSO.
+ * Outer and inner checksums are done according to the existing flags like
+ * PKT_TX_xxx_CKSUM.
+ * Specific tunnel headers that contain payload length, sequence id
+ * or checksum are not expected to be updated.
+ */
+#define PKT_TX_TUNNEL_IP (0xDULL << 45)
+/**
+ * Generic UDP encapsulated tunnel type, used for TSO and checksum offload.
+ * UDP tunnel type implies outer IP layer.
+ * It can be used for tunnels which are not standards or listed above.
+ * It is preferred to use specific tunnel flags like PKT_TX_TUNNEL_VXLAN
+ * if possible.
+ * The ethdev must be configured with DEV_TX_OFFLOAD_UDP_TNL_TSO.
+ * Outer and inner checksums are done according to the existing flags like
+ * PKT_TX_xxx_CKSUM.
+ * Specific tunnel headers that contain payload length, sequence id
+ * or checksum are not expected to be updated.
+ */
+#define PKT_TX_TUNNEL_UDP (0xEULL << 45)
+/* add new TX TUNNEL type here */
+#define PKT_TX_TUNNEL_MASK (0xFULL << 45)
+
+/**
+ * Second VLAN insertion (QinQ) flag.
+ */
+#define PKT_TX_QINQ (1ULL << 49) /**< TX packet with double VLAN inserted. */
+/* this old name is deprecated */
+#define PKT_TX_QINQ_PKT PKT_TX_QINQ
+
+/**
+ * TCP segmentation offload. To enable this offload feature for a
+ * packet to be transmitted on hardware supporting TSO:
+ * - set the PKT_TX_TCP_SEG flag in mbuf->ol_flags (this flag implies
+ * PKT_TX_TCP_CKSUM)
+ * - set the flag PKT_TX_IPV4 or PKT_TX_IPV6
+ * - if it's IPv4, set the PKT_TX_IP_CKSUM flag
+ * - fill the mbuf offload information: l2_len, l3_len, l4_len, tso_segsz
+ */
+#define PKT_TX_TCP_SEG (1ULL << 50)
+
+#define PKT_TX_IEEE1588_TMST (1ULL << 51) /**< TX IEEE1588 packet to timestamp. */
+
+/**
+ * Bits 52+53 used for L4 packet type with checksum enabled: 00: Reserved,
+ * 01: TCP checksum, 10: SCTP checksum, 11: UDP checksum. To use hardware
+ * L4 checksum offload, the user needs to:
+ * - fill l2_len and l3_len in mbuf
+ * - set the flags PKT_TX_TCP_CKSUM, PKT_TX_SCTP_CKSUM or PKT_TX_UDP_CKSUM
+ * - set the flag PKT_TX_IPV4 or PKT_TX_IPV6