/*-------------------------------------------------------------*/ /* UDP header */ typedef struct { netwib_port src; netwib_port dst; netwib_uint16 len; netwib_uint16 check; } netwib_udphdr; typedef const netwib_udphdr netwib_constudphdr; #define NETWIB_UDPHDR_LEN 8 /*-------------------------------------------------------------*/ /* Name : netwib_udphdr_initdefault Description : Initialize a netwib_udphdr with default values. Input parameter(s) : Input/output parameter(s) : Output parameter(s) : *pudphdr : netwib_udphdr to initialize Normal return values : NETWIB_ERR_OK : ok */ netwib_err netwib_udphdr_initdefault(netwib_udphdr *pudphdr); /*-------------------------------------------------------------*/ /* Name : netwib_pkt_append_udphdr Description : Initialize physical data from a netwib_udphdr. Input parameter(s) : *pudphdr : netwib_udphdr Input/output parameter(s) : *ppht : buffer to initialize Output parameter(s) : Normal return values : NETWIB_ERR_OK : ok */ netwib_err netwib_pkt_append_udphdr(netwib_constudphdr *pudphdr, netwib_buf *ppkt); netwib_err netwib_pkt_prepend_udphdr(netwib_constudphdr *pudphdr, netwib_buf *ppkt); /*-------------------------------------------------------------*/ /* Name : netwib_pkt_decode_udphdr Description : Decode a netwib_udphdr from physical data. Input parameter(s) : *ppkt : buffer containing physical data Input/output parameter(s) : Output parameter(s) : *pudphdr : netwib_udphdr contained in pkt *pskipsize : size to use to skip this header Normal return values : NETWIB_ERR_OK : ok NETWIB_ERR_NOTCONVERTED : pkt could not be decoded NETWIB_ERR_DATAMISSING : pkt was not big enough */ netwib_err netwib_pkt_decode_udphdr(netwib_constbuf *ppkt, netwib_udphdr *pudphdr, netwib_uint32 *pskipsize);