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...
...
...
#define NX_SOURCE_CODE
#include "nx_api.h"
#include "nx_udp.h"
...
...
UINT _nx_udp_packet_info_extract(NX_PACKET *packet_ptr, ULONG *ip_address,
UINT *protocol, UINT *port, UINT *interface_index)
{
#ifndef NX_DISABLE_IPV4
NXD_ADDRESS nxd_ip_address;
UINT status;
status = _nxd_udp_packet_info_extract(packet_ptr, &nxd_ip_address, protocol, port, interface_index);
if (status == NX_SUCCESS)
{
if (ip_address)
{
if (nxd_ip_address.nxd_ip_version == NX_IP_VERSION_V4)
{
*ip_address = nxd_ip_address.nxd_ip_address.v4;
}if (nxd_ip_address.nxd_ip_version == NX_IP_VERSION_V4) { ... }
else
{
return(NX_INVALID_PACKET);
}else { ... }
}if (ip_address) { ... }
}if (status == NX_SUCCESS) { ... }
return(status);/* ... */
#else
NX_PARAMETER_NOT_USED(packet_ptr);
NX_PARAMETER_NOT_USED(ip_address);
NX_PARAMETER_NOT_USED(protocol);
NX_PARAMETER_NOT_USED(port);
NX_PARAMETER_NOT_USED(interface_index);
return(NX_NOT_SUPPORTED);/* ... */
#endif
}{ ... }