Function TlsCommonTransmit

NetworkPkg/HttpDxe/HttpsSupport.c:712–814

Transmit the Packet by processing the associated HTTPS token. @param[in, out] HttpInstance Pointer to HTTP_PROTOCOL structure. @param[in] Packet The packet to transmit. @retval EFI_SUCCESS The packet is transmitted. @retval EFI_INVALID_PARAMETER HttpInstance is NULL or Packet is NULL. @retval EFI_OUT_OF_RESOURCES Can't allocate memory resources

**/
EFI_STATUS
EFIAPI
TlsCommonTransmit (
  IN OUT HTTP_PROTOCOL      *HttpInstance,
  IN     NET_BUF            *Packet
  )
{
  EFI_STATUS                Status;
  VOID                      *Data;
  UINTN                     Size;

  if ((HttpInstance == NULL) || (Packet == NULL)) {
    return EFI_INVALID_PARAMETER;
  }

  if (!HttpInstance->LocalAddressIsIPv6) {
    Size = sizeof (EFI_TCP4_TRANSMIT_DATA) +
           (Packet->BlockOpNum - 1) * sizeof (EFI_TCP4_FRAGMENT_DATA);
  } else {
    Size = sizeof (EFI_TCP6_TRANSMIT_DATA) +
           (Packet->BlockOpNum - 1) * sizeof (EFI_TCP6_FRAGMENT_DATA);
  }

  Data = AllocatePool (Size);
  if (Data == NULL) {
    return EFI_OUT_OF_RESOURCES;
  }

  if (!HttpInstance->LocalAddressIsIPv6) {
    ((EFI_TCP4_TRANSMIT_DATA *) Data)->Push        = TRUE;
    ((EFI_TCP4_TRANSMIT_DATA *) Data)->Urgent      = FALSE;
    ((EFI_TCP4_TRANSMIT_DATA *) Data)->DataLength  = Packet->TotalSize;

    //
    // Build the fragment table.
    //
    ((EFI_TCP4_TRANSMIT_DATA *) Data)->FragmentCount = Packet->BlockOpNum;

    NetbufBuildExt (
      Packet,
      (NET_FRAGMENT *) &((EFI_TCP4_TRANSMIT_DATA *) Data)->FragmentTable[0],
      &((EFI_TCP4_TRANSMIT_DATA *) Data)->FragmentCount
      );

    HttpInstance->Tcp4TlsTxToken.Packet.TxData = (EFI_TCP4_TRANSMIT_DATA *) Data;

    Status = EFI_DEVICE_ERROR;

    //
    // Transmit the packet.
    //
    Status  = HttpInstance->Tcp4->Transmit (HttpInstance->Tcp4, &HttpInstance->Tcp4TlsTxToken);
    if (EFI_ERROR (Status)) {
      goto ON_EXIT;
    }

    while (!HttpInstance->TlsIsTxDone) {
      HttpInstance->Tcp4->Poll (HttpInstance->Tcp4);