rxmatch.h

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#ifndef NDNDPDK_ETHFACE_RXMATCH_H
#define NDNDPDK_ETHFACE_RXMATCH_H

 
#include "locator.h"
 
typedef enum __rte_packed_begin EthRxMatchAct {
  EthRxMatchActAlways = 1,
  EthRxMatchActEtherUnicast,
  EthRxMatchActEtherMulticast,
  EthRxMatchActUdp,
  EthRxMatchActVxlan,
  EthRxMatchActGtp,
} __rte_packed_end EthRxMatchAct;

typedef enum __rte_packed_begin EthRxMatchResult {
  EthRxMatchResultHit = RTE_BIT32(1), 
  EthRxMatchResultGtp = RTE_BIT32(2), 
} __rte_packed_end EthRxMatchResult;
 
typedef struct EthRxMatch EthRxMatch;
typedef EthRxMatchResult (*EthRxMatch_MatchFunc)(const EthRxMatch* match, const struct rte_mbuf* m);
extern const EthRxMatch_MatchFunc EthRxMatch_MatchJmp[];

struct EthRxMatch {
  EthRxMatchAct act;  
  uint8_t len;        
  uint8_t l2len;      
  uint8_t l3matchOff; 
  uint8_t l3matchLen; 
  uint8_t udpOff;     
  uint8_t buf[EthLocator_MaxHdrLen];
};

__attribute__((nonnull)) void
EthRxMatch_Prepare(EthRxMatch* match, const EthLocator* loc);

__attribute__((nonnull)) static inline EthRxMatchResult
EthRxMatch_Match(const EthRxMatch* match, const struct rte_mbuf* m) {
  if (m->data_len < match->len) {
    return 0;
  }
  return EthRxMatch_MatchJmp[match->act](match, m);
}

__attribute__((nonnull)) EthRxMatchResult
EthRxMatch_MatchGtpInner(const EthRxMatch* match, const struct rte_mbuf* m);
 
#endif // NDNDPDK_ETHFACE_RXMATCH_H