---
title: getChecksumSupport
framework: kernel
role: symbol
role_heading: Instance Method
path: kernel/ionetworkcontroller/1393514-getchecksumsupport
---

# getChecksumSupport

## Declaration

```occ
virtual IOReturn getChecksumSupport(UInt32 *checksumMask, UInt32 checksumFamily, bool isOutput);
```