Function DeleteVlan

NetworkPkg/Application/VConfig/VConfig.c:492–590

Remove a VLAN device. @param[in] ParamStr Parameter string from user input. **/

**/
VOID
DeleteVlan (
  IN CHAR16 *ParamStr
  )
{
  CHAR16                    *Name;
  CHAR16                    *VlanIdStr;
  CHAR16                    *StrPtr;
  UINTN                     VlanId;
  EFI_HANDLE                Handle;
  EFI_VLAN_CONFIG_PROTOCOL  *VlanConfig;
  EFI_STATUS                Status;
  UINT16                    NumberOfVlan;
  EFI_VLAN_FIND_DATA        *VlanData;

  VlanConfig = NULL;

  if (ParamStr == NULL) {
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_VCONFIG_NO_IF), mHiiHandle);
    return ;
  }

  StrPtr = AllocateCopyPool (StrSize (ParamStr), ParamStr);
  if (StrPtr == NULL) {
    return ;
  }

  Name      = StrPtr;
  VlanIdStr = NULL;
  while (*StrPtr != 0) {
    if (*StrPtr == L'.') {
      *StrPtr   = 0;
      VlanIdStr = StrPtr + 1;
      break;
    }

    StrPtr++;
  }

  Handle = NicNameToHandle (Name);
  if (Handle == NULL) {
    goto Exit;
  }

  VlanConfig = OpenVlanConfigProtocol (Handle);
  if (VlanConfig == NULL) {
    goto Exit;
  }

  //
  // Check VLAN ID
  //
  if (VlanIdStr == NULL || *VlanIdStr == 0) {
    ShellPrintHiiEx (-1, -1, NULL, STRING_TOKEN (STR_VCONFIG_NO_VID), mHiiHandle);
    goto Exit;
  }

  VlanId = StrToVlanId (VlanIdStr);