---
title: if_tcp_ecn_stat
framework: Kernel
role: symbol
platforms: [macOS 13.0+]
path: kernel/if_tcp_ecn_stat
---

# if_tcp_ecn_stat

## Declaration

```occ
struct if_tcp_ecn_stat {
    ...
};
```

## Topics

### Instance Properties

- [ecn_client_setup](kernel/if_tcp_ecn_stat/3944018-ecn_client_setup.md)
- [ecn_client_success](kernel/if_tcp_ecn_stat/3944019-ecn_client_success.md)
- [ecn_conn_noplce](kernel/if_tcp_ecn_stat/3944020-ecn_conn_noplce.md)
- [ecn_conn_plce](kernel/if_tcp_ecn_stat/3944021-ecn_conn_plce.md)
- [ecn_conn_plnoce](kernel/if_tcp_ecn_stat/3944022-ecn_conn_plnoce.md)
- [ecn_conn_recv_ce](kernel/if_tcp_ecn_stat/3944023-ecn_conn_recv_ce.md)
- [ecn_conn_recv_ece](kernel/if_tcp_ecn_stat/3944024-ecn_conn_recv_ece.md)
- [ecn_fallback_ce](kernel/if_tcp_ecn_stat/3944025-ecn_fallback_ce.md)
- [ecn_fallback_droprst](kernel/if_tcp_ecn_stat/3944026-ecn_fallback_droprst.md)
- [ecn_fallback_droprxmt](kernel/if_tcp_ecn_stat/3944027-ecn_fallback_droprxmt.md)
- [ecn_fallback_reorder](kernel/if_tcp_ecn_stat/3944028-ecn_fallback_reorder.md)
- [ecn_fallback_synloss](kernel/if_tcp_ecn_stat/3944029-ecn_fallback_synloss.md)
- [ecn_fallback_synrst](kernel/if_tcp_ecn_stat/3944030-ecn_fallback_synrst.md)
- [ecn_off](kernel/if_tcp_ecn_stat/3944031-ecn_off.md)
- [ecn_off_conn](kernel/if_tcp_ecn_stat/3944032-ecn_off_conn.md)
- [ecn_on](kernel/if_tcp_ecn_stat/3944033-ecn_on.md)
- [ecn_peer_nosupport](kernel/if_tcp_ecn_stat/3944034-ecn_peer_nosupport.md)
- [ecn_recv_ce](kernel/if_tcp_ecn_stat/3944035-ecn_recv_ce.md)
- [ecn_recv_ece](kernel/if_tcp_ecn_stat/3944036-ecn_recv_ece.md)
- [ecn_server_setup](kernel/if_tcp_ecn_stat/3944037-ecn_server_setup.md)
- [ecn_server_success](kernel/if_tcp_ecn_stat/3944038-ecn_server_success.md)
- [ecn_syn_lost](kernel/if_tcp_ecn_stat/3944039-ecn_syn_lost.md)
- [ecn_synack_lost](kernel/if_tcp_ecn_stat/3944040-ecn_synack_lost.md)
- [ecn_total_conn](kernel/if_tcp_ecn_stat/3944041-ecn_total_conn.md)
- [timestamp](kernel/if_tcp_ecn_stat/3944042-timestamp.md)