---
title: MBUF_CSUM_REQ_UDP
framework: Kernel
role: symbol
role_heading: Enumeration Case
platforms: [macOS 10.12+]
path: kernel/1644524-anonymous/mbuf_csum_req_udp
---

# MBUF_CSUM_REQ_UDP

## Declaration

```occ
MBUF_CSUM_REQ_UDP = 0x0004
```

## Discussion

Discussion Indicates the UDP checksum has not been calculated yet.