---
title: IFNET_CSUM_TCPIPV6
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1644631-anonymous/ifnet_csum_tcpipv6
---

# IFNET_CSUM_TCPIPV6

## Declaration

```occ
IFNET_CSUM_TCPIPV6 = 0x00000020
```

## Discussion

Discussion Hardware will calculate TCP IPv6 checksums.