ipv4_misc.h

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#ifndef _IPV4_MISC_H
#define _IPV4_MISC_H
 
//Dependencies
#include "core/net.h"
#include "ipv4/ipv4.h"
 
//C++ guard
#ifdef __cplusplus
extern "C" {
#endif
 
//IPv4 related functions
error_t ipv4AddRouterAlertOption(NetBuffer *buffer, size_t *offset);
 
error_t ipv4CheckSourceAddr(NetInterface *interface, Ipv4Addr ipAddr);
error_t ipv4CheckDestAddr(NetInterface *interface, Ipv4Addr ipAddr);
 
error_t ipv4SelectSourceAddr(NetInterface **interface,
   Ipv4Addr destAddr, Ipv4Addr *srcAddr);
 
error_t ipv4SelectDefaultGateway(NetInterface *interface, Ipv4Addr srcAddr,
   Ipv4Addr *defaultGatewayAddr);
 
bool_t ipv4IsOnLink(NetInterface *interface, Ipv4Addr ipAddr);
bool_t ipv4IsBroadcastAddr(NetInterface *interface, Ipv4Addr ipAddr);
bool_t ipv4IsTentativeAddr(NetInterface *interface, Ipv4Addr ipAddr);
bool_t ipv4IsLocalHostAddr(Ipv4Addr ipAddr);
 
bool_t ipv4CompPrefix(Ipv4Addr ipAddr1, Ipv4Addr ipAddr2, size_t length);
 
uint_t ipv4GetAddrScope(Ipv4Addr ipAddr);
uint_t ipv4GetPrefixLength(Ipv4Addr mask);
 
error_t ipv4GetBroadcastAddr(NetInterface *interface, Ipv4Addr *addr);
error_t ipv4MapMulticastAddrToMac(Ipv4Addr ipAddr, MacAddr *macAddr);
 
bool_t ipv4TrapIgmpPacket(Ipv4Header *header);
 
void ipv4UpdateInStats(NetInterface *interface, Ipv4Addr destIpAddr,
   size_t length);
 
void ipv4UpdateOutStats(NetInterface *interface, Ipv4Addr destIpAddr,
   size_t length);
 
void ipv4UpdateErrorStats(NetInterface *interface, error_t error);
 
//C++ guard
#ifdef __cplusplus
}
#endif
 
#endif