locator.h

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#ifndef NDNDPDK_ETHFACE_LOCATOR_H
#define NDNDPDK_ETHFACE_LOCATOR_H

 
#include "../dpdk/ethdev.h"
#include "xdp-locator.h"

typedef struct EthLocator {
  struct rte_ether_addr local;
  struct rte_ether_addr remote;
  uint16_t vlan;
 
  struct rte_ipv6_addr localIP;
  struct rte_ipv6_addr remoteIP;
  uint16_t localUDP;
  uint16_t remoteUDP;
 
  uint32_t vxlan;
  struct rte_ether_addr innerLocal;
  struct rte_ether_addr innerRemote;
 
  uint32_t ulTEID;
  uint32_t dlTEID;
  struct rte_ipv6_addr innerLocalIP;
  struct rte_ipv6_addr innerRemoteIP;
  uint8_t ulQFI;
  uint8_t dlQFI;
  bool isGtp;
} EthLocator;

__attribute__((nonnull)) bool
EthLocator_CanCoexist(const EthLocator* a, const EthLocator* b);
 
typedef struct EthLocatorClass {
  uint16_t etherType; 
  bool passthru;      
  bool multicast;     
  bool v4;            
  bool udp;           
  char tunnel;        
} EthLocatorClass;

__attribute__((nonnull)) EthLocatorClass
EthLocator_Classify(const EthLocator* loc);
 
enum {
  EthLocator_MaxHdrLen =
    RTE_ETHER_HDR_LEN + RTE_VLAN_HLEN +
    RTE_MAX_T(sizeof(struct rte_ipv4_hdr), sizeof(struct rte_ipv6_hdr), size_t) +
    sizeof(struct rte_udp_hdr) +
    RTE_MAX_T(sizeof(struct rte_vxlan_hdr) + RTE_ETHER_HDR_LEN,
              sizeof(EthGtpHdr) + sizeof(struct rte_ipv4_hdr) + sizeof(struct rte_udp_hdr), size_t)
};
static_assert(EthLocator_MaxHdrLen <= RTE_PKTMBUF_HEADROOM, "");
 
#endif // NDNDPDK_ETHFACE_LOCATOR_H