[PATCH v8 02/10] librte_ether:add the basic data structures of VxLAN

[Jijiang Liu <jijiang.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>]

Add definations of basic data structures of VxLAN.

Signed-off-by: Jijiang Liu <jijiang.liu-ral2JQCrhuEAvxtiuMwx3w@public.gmane.org>
---
 lib/librte_ether/rte_eth_ctrl.h |   12 ++++++++++++
 lib/librte_ether/rte_ethdev.h   |    8 ++++++++
 lib/librte_ether/rte_ether.h    |   13 +++++++++++++
 3 files changed, 33 insertions(+), 0 deletions(-)

diff --git a/lib/librte_ether/rte_eth_ctrl.h b/lib/librte_ether/rte_eth_ctrl.h
index df21ac6..9a90d19 100644
--- a/lib/librte_ether/rte_eth_ctrl.h
+++ b/lib/librte_ether/rte_eth_ctrl.h
@@ -71,6 +71,18 @@ enum rte_filter_op {
 	RTE_ETH_FILTER_OP_MAX
 };
 
+/**
+ * Tunneled type.
+ */
+enum rte_eth_tunnel_type {
+	RTE_TUNNEL_TYPE_NONE = 0,
+	RTE_TUNNEL_TYPE_VXLAN,
+	RTE_TUNNEL_TYPE_GENEVE,
+	RTE_TUNNEL_TYPE_TEREDO,
+	RTE_TUNNEL_TYPE_NVGRE,
+	RTE_TUNNEL_TYPE_MAX,
+};
+
 #ifdef __cplusplus
 }
 #endif
diff --git a/lib/librte_ether/rte_ethdev.h b/lib/librte_ether/rte_ethdev.h
index b69a6af..46a5568 100644
--- a/lib/librte_ether/rte_ethdev.h
+++ b/lib/librte_ether/rte_ethdev.h
@@ -710,6 +710,14 @@ struct rte_fdir_conf {
 };
 
 /**
+ * UDP tunneling configuration.
+ */
+struct rte_eth_udp_tunnel {
+	uint16_t udp_port;
+	uint8_t prot_type;
+};
+
+/**
  *  Possible l4type of FDIR filters.
  */
 enum rte_l4type {
diff --git a/lib/librte_ether/rte_ether.h b/lib/librte_ether/rte_ether.h
index 2e08f23..100cc52 100644
--- a/lib/librte_ether/rte_ether.h
+++ b/lib/librte_ether/rte_ether.h
@@ -286,6 +286,16 @@ struct vlan_hdr {
 	uint16_t eth_proto;/**< Ethernet type of encapsulated frame. */
 } __attribute__((__packed__));
 
+/**
+ * VXLAN protocol header.
+ * Contains the 8-bit flag, 24-bit VXLAN Network Identifier and
+ * Reserved fields (24 bits and 8 bits)
+ */
+struct vxlan_hdr {
+	uint32_t vx_flags; /**< flag (8) + Reserved (24). */
+	uint32_t vx_vni;   /**< VNI (24) + Reserved (8). */
+} __attribute__((__packed__));
+
 /* Ethernet frame types */
 #define ETHER_TYPE_IPv4 0x0800 /**< IPv4 Protocol. */
 #define ETHER_TYPE_IPv6 0x86DD /**< IPv6 Protocol. */
@@ -294,6 +304,9 @@ struct vlan_hdr {
 #define ETHER_TYPE_VLAN 0x8100 /**< IEEE 802.1Q VLAN tagging. */
 #define ETHER_TYPE_1588 0x88F7 /**< IEEE 802.1AS 1588 Precise Time Protocol. */
 
+#define ETHER_VXLAN_HLEN (sizeof(struct udp_hdr) + sizeof(struct vxlan_hdr))
+/**< VxLAN tunnel header length. */
+
 #ifdef __cplusplus
 }
 #endif
-- 
1.7.7.6