---
title: tcp_connection_server_accurate_ecn_state_t
framework: Kernel
role: symbol
role_heading: Enumeration
platforms: [macOS 14.0+]
path: kernel/tcp_connection_server_accurate_ecn_state_t
---

# tcp_connection_server_accurate_ecn_state_t

## Declaration

```occ
typedef enum tcp_connection_server_accurate_ecn_state_t : unsigned int {
    ...
} tcp_connection_server_accurate_ecn_state_t;
```

## Topics

### Constants

- [tcp_connection_server_accurate_ecn_ace_bleaching_detected](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_ace_bleaching_detected.md)
- [tcp_connection_server_accurate_ecn_feature_disabled](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_feature_disabled.md)
- [tcp_connection_server_accurate_ecn_feature_enabled](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_feature_enabled.md)
- [tcp_connection_server_accurate_ecn_invalid](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_invalid.md)
- [tcp_connection_server_accurate_ecn_negotiation_blackholed](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_negotiation_blackholed.md)
- [tcp_connection_server_accurate_ecn_negotiation_success](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_negotiation_success.md)
- [tcp_connection_server_accurate_ecn_negotiation_success_ect_bleaching_detected](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_negotiation_success_ect_bleaching_detected.md)
- [tcp_connection_server_accurate_ecn_negotiation_success_ect_mangling_detected](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_negotiation_success_ect_mangling_detected.md)
- [tcp_connection_server_accurate_ecn_requested](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_accurate_ecn_requested.md)
- [tcp_connection_server_classic_ecn_requested](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_classic_ecn_requested.md)
- [tcp_connection_server_no_ecn_requested](kernel/tcp_connection_server_accurate_ecn_state_t/tcp_connection_server_no_ecn_requested.md)