187   EFI_DHCP4_PACKET_OPTION       *Option;  in HttpBootParseDhcp4Options()  local
190   Option  = (EFI_DHCP4_PACKET_OPTION *) Buffer;  in HttpBootParseDhcp4Options()
193   while (Offset < Length && Option->OpCode != DHCP4_TAG_EOP) {  in HttpBootParseDhcp4Options()
195     if (Option->OpCode == OptTag) {  in HttpBootParseDhcp4Options()
199       return Option;  in HttpBootParseDhcp4Options()
205     if (Option->OpCode == DHCP4_TAG_PAD) {  in HttpBootParseDhcp4Options()
208       Offset += Option->Length + 2;  in HttpBootParseDhcp4Options()
211     Option = (EFI_DHCP4_PACKET_OPTION *) (Buffer + Offset);  in HttpBootParseDhcp4Options()
260   EFI_DHCP4_PACKET_OPTION        *Option;  in HttpBootParseDhcp4Packet()  local
288                        Offer->Dhcp4.Option,  in HttpBootParseDhcp4Packet()
297   Option = Options[HTTP_BOOT_DHCP4_TAG_INDEX_OVERLOAD];  in HttpBootParseDhcp4Packet()
298   if (Option != NULL) {  in HttpBootParseDhcp4Packet()
299     if ((Option->Data[0] & HTTP_BOOT_DHCP4_OVERLOAD_FILE) != 0) {  in HttpBootParseDhcp4Packet()
311     if ((Option->Data[0] & HTTP_BOOT_DHCP4_OVERLOAD_SERVER_NAME) != 0) {  in HttpBootParseDhcp4Packet()
334   Option = Options[HTTP_BOOT_DHCP4_TAG_INDEX_CLASS_ID];  in HttpBootParseDhcp4Packet()
335   if ((Option != NULL) && (Option->Length >= 9) &&  in HttpBootParseDhcp4Packet()
336       (CompareMem (Option->Data, DEFAULT_CLASS_ID_DATA, 9) == 0)) {  in HttpBootParseDhcp4Packet()
343   Option = Options[HTTP_BOOT_DHCP4_TAG_INDEX_DNS_SERVER];  in HttpBootParseDhcp4Packet()
344   if (Option != NULL) {  in HttpBootParseDhcp4Packet()
623                  Packet->Dhcp4.Option,  in HttpBootDhcp4CallBack()