*/
#define PKT_TX_TCP_SEG (1ULL << 49)
-#define PKT_TX_VXLAN_CKSUM (1ULL << 50) /**< TX checksum of VXLAN computed by NIC */
+/** TX packet is an UDP tunneled packet. It must be specified when using
+ * outer checksum offload (PKT_TX_OUTER_IP_CKSUM) */
+#define PKT_TX_UDP_TUNNEL_PKT (1ULL << 50) /**< TX packet is an UDP tunneled packet */
#define PKT_TX_IEEE1588_TMST (1ULL << 51) /**< TX IEEE1588 packet to timestamp. */
/**
#define PKT_TX_IP_CKSUM (1ULL << 54) /**< IP cksum of TX pkt. computed by NIC. */
#define PKT_TX_IPV4_CSUM PKT_TX_IP_CKSUM /**< Alias of PKT_TX_IP_CKSUM. */
-/** Tell the NIC it's an IPv4 packet. Required for L4 checksum offload or TSO. */
-#define PKT_TX_IPV4 PKT_RX_IPV4_HDR
+/** Packet is IPv4 without requiring IP checksum offload. */
+#define PKT_TX_IPV4 (1ULL << 55)
-/** Tell the NIC it's an IPv6 packet. Required for L4 checksum offload or TSO. */
-#define PKT_TX_IPV6 PKT_RX_IPV6_HDR
+/** Tell the NIC it's an IPv6 packet.*/
+#define PKT_TX_IPV6 (1ULL << 56)
-#define PKT_TX_VLAN_PKT (1ULL << 55) /**< TX packet is a 802.1q VLAN packet. */
+#define PKT_TX_VLAN_PKT (1ULL << 57) /**< TX packet is a 802.1q VLAN packet. */
+
+/** Outer IP checksum of TX packet, computed by NIC for tunneling packet.
+ * The tunnel type must also be specified, ex: PKT_TX_UDP_TUNNEL_PKT. */
+#define PKT_TX_OUTER_IP_CKSUM (1ULL << 58)
+
+/** Packet is outer IPv4 without requiring IP checksum offload for tunneling packet. */
+#define PKT_TX_OUTER_IPV4 (1ULL << 59)
+
+/** Tell the NIC it's an outer IPv6 packet for tunneling packet */
+#define PKT_TX_OUTER_IPV6 (1ULL << 60)
/* Use final bit of flags to indicate a control mbuf */
#define CTRL_MBUF_FLAG (1ULL << 63) /**< Mbuf contains control data */
uint64_t tso_segsz:16; /**< TCP TSO segment size */
/* fields for TX offloading of tunnels */
- uint64_t inner_l3_len:9; /**< inner L3 (IP) Hdr Length. */
- uint64_t inner_l2_len:7; /**< inner L2 (MAC) Hdr Length. */
+ uint64_t outer_l3_len:9; /**< Outer L3 (IP) Hdr Length. */
+ uint64_t outer_l2_len:7; /**< Outer L2 (MAC) Hdr Length. */
/* uint64_t unused:8; */
};