ipv4_misc.c
error_t ipv4SelectDefaultGateway(NetInterface *interface, Ipv4Addr srcAddr, Ipv4Addr *defaultGatewayAddr)
Default gateway selection.
Definition: ipv4_misc.c:392
MIB-II module.
bool_t ipv4CompPrefix(Ipv4Addr ipAddr1, Ipv4Addr ipAddr2, size_t length)
Compare IPv4 address prefixes.
Definition: ipv4_misc.c:608
bool_t ipv4IsBroadcastAddr(NetInterface *interface, Ipv4Addr ipAddr)
Check whether an IPv4 address is a broadcast address.
Definition: ipv4_misc.c:469
error_t ipv4SelectSourceAddr(NetInterface **interface, Ipv4Addr destAddr, Ipv4Addr *srcAddr)
IPv4 source address selection.
Definition: ipv4_misc.c:203
uint_t ipv4GetPrefixLength(Ipv4Addr mask)
Calculate prefix length for a given subnet mask.
Definition: ipv4_misc.c:708
error_t ipv4CheckDestAddr(NetInterface *interface, Ipv4Addr ipAddr)
Destination IPv4 address filtering.
Definition: ipv4_misc.c:118
Helper functions for IPv4.
void ipv4UpdateErrorStats(NetInterface *interface, error_t error)
Update Ethernet error statistics.
Definition: ipv4_misc.c:905
@ IPV4_ADDR_STATE_TENTATIVE
An address whose uniqueness on a link is being verified.
Definition: ipv4.h:197
void ipv4UpdateInStats(NetInterface *interface, Ipv4Addr destIpAddr, size_t length)
Update IPv4 input statistics.
Definition: ipv4_misc.c:820
void * netBufferAt(const NetBuffer *buffer, size_t offset)
Returns a pointer to the data at the specified position.
Definition: net_mem.c:413
bool_t ipv4IsTentativeAddr(NetInterface *interface, Ipv4Addr ipAddr)
Check whether an IPv4 address is a tentative address.
Definition: ipv4_misc.c:515
void ipv4UpdateOutStats(NetInterface *interface, Ipv4Addr destIpAddr, size_t length)
Update IPv4 output statistics.
Definition: ipv4_misc.c:856
bool_t ipv4IsOnLink(NetInterface *interface, Ipv4Addr ipAddr)
Check whether an IPv4 address is on-link.
Definition: ipv4_misc.c:434
bool_t ipv4IsLocalHostAddr(Ipv4Addr ipAddr)
Check whether the specified IPv4 is assigned to the host.
Definition: ipv4_misc.c:551
IP MIB module.
error_t ipv4GetBroadcastAddr(NetInterface *interface, Ipv4Addr *addr)
Get IPv4 broadcast address.
Definition: ipv4_misc.c:734
error_t ipv4MapMulticastAddrToMac(Ipv4Addr ipAddr, MacAddr *macAddr)
Map an host group address to a MAC-layer multicast address.
Definition: ipv4_misc.c:757
error_t ipv4CheckSourceAddr(NetInterface *interface, Ipv4Addr ipAddr)
Source IPv4 address filtering.
Definition: ipv4_misc.c:94
@ IPV4_ADDR_STATE_VALID
An address assigned to an interface whose use is unrestricted.
Definition: ipv4.h:198
IPv4 (Internet Protocol Version 4)
error_t ipv4AddRouterAlertOption(NetBuffer *buffer, size_t *offset)
Append a Router Alert option to an IPv4 packet.
Definition: ipv4_misc.c:54
TCP/IP stack core.
Debugging facilities.
uint_t ipv4GetAddrScope(Ipv4Addr ipAddr)
Retrieve the scope of an IPv4 address.
Definition: ipv4_misc.c:644