---
title: tcps_ecn_ace_syn_not_ect
framework: Kernel
role: symbol
role_heading: Instance Property
platforms: [macOS 13.0+]
path: kernel/tcpstat/3955341-tcps_ecn_ace_syn_not_ect
---

# tcps_ecn_ace_syn_not_ect

## Declaration

```occ
u_int32_t tcps_ecn_ace_syn_not_ect;
```