ethdev: introduce new tunnel VXLAN-GPE

[dpdk.git] / lib / librte_net / rte_ether.h

diff --git a/lib/librte_net/rte_ether.h b/lib/librte_net/rte_ether.h
index a271d1c..95d0a53 100644 (file)
--- a/lib/librte_net/rte_ether.h
+++ b/lib/librte_net/rte_ether.h
@@ -310,6 +310,31 @@ struct vxlan_hdr {
 #define ETHER_VXLAN_HLEN (sizeof(struct udp_hdr) + sizeof(struct vxlan_hdr))
 /**< VXLAN tunnel header length. */
 
+/**
+ * VXLAN-GPE protocol header (draft-ietf-nvo3-vxlan-gpe-05).
+ * Contains the 8-bit flag, 8-bit next-protocol, 24-bit VXLAN Network
+ * Identifier and Reserved fields (16 bits and 8 bits).
+ */
+struct vxlan_gpe_hdr {
+       uint8_t vx_flags;    /**< flag (8). */
+       uint8_t reserved[2]; /**< Reserved (16). */
+       uint8_t proto;       /**< next-protocol (8). */
+       uint32_t vx_vni;     /**< VNI (24) + Reserved (8). */
+} __attribute__((__packed__));
+
+/* VXLAN-GPE next protocol types */
+#define VXLAN_GPE_TYPE_IPV4 1 /**< IPv4 Protocol. */
+#define VXLAN_GPE_TYPE_IPV6 2 /**< IPv6 Protocol. */
+#define VXLAN_GPE_TYPE_ETH  3 /**< Ethernet Protocol. */
+#define VXLAN_GPE_TYPE_NSH  4 /**< NSH Protocol. */
+#define VXLAN_GPE_TYPE_MPLS 5 /**< MPLS Protocol. */
+#define VXLAN_GPE_TYPE_GBP  6 /**< GBP Protocol. */
+#define VXLAN_GPE_TYPE_VBNG 7 /**< vBNG Protocol. */
+
+#define ETHER_VXLAN_GPE_HLEN (sizeof(struct udp_hdr) + \
+                             sizeof(struct vxlan_gpe_hdr))
+/**< VXLAN-GPE tunnel header length. */
+
 /**
  * Extract VLAN tag information into mbuf
  *