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

# if_interface_state

## Declaration

```occ
struct if_interface_state {
    ...
};
```

## Topics

### Instance Properties

- [interface_availability](kernel/if_interface_state/3943887-interface_availability.md)
- [lqm_state](kernel/if_interface_state/3943888-lqm_state.md)
- [rrc_state](kernel/if_interface_state/3943889-rrc_state.md)
- [valid_bitmask](kernel/if_interface_state/3943890-valid_bitmask.md)