fix VXLAN acronym

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

diff --git a/lib/librte_ether/rte_ether.h b/lib/librte_ether/rte_ether.h
index a25ca10..f173509 100644 (file)
--- a/lib/librte_ether/rte_ether.h
+++ b/lib/librte_ether/rte_ether.h
@@ -67,6 +67,8 @@ extern "C" {
 
 #define ETHER_MAX_VLAN_ID  4095 /**< Maximum VLAN ID. */
 
+#define ETHER_MIN_MTU 68 /**< Minimum MTU for IPv4 packets, see RFC 791. */
+
 /**
  * Ethernet address:
  * A universally administered address is uniquely assigned to a device by its
@@ -203,7 +205,7 @@ static inline int is_universal_ether_addr(const struct ether_addr *ea)
  */
 static inline int is_local_admin_ether_addr(const struct ether_addr *ea)
 {
-       return ((ea->addr_bytes[0] & ETHER_LOCAL_ADMIN_ADDR) == 1);
+       return ((ea->addr_bytes[0] & ETHER_LOCAL_ADMIN_ADDR) != 0);
 }
 
 /**
@@ -284,6 +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. */
@@ -292,6 +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