---
title: proto_media_event
framework: kernel
role: symbol
role_heading: Type Alias
path: kernel/proto_media_event
---

# proto_media_event

## Declaration

```occ
typedef void (*proto_media_event)(ifnet_t ifp, protocol_family_t protocol, const struct kev_msg *event);
```

## Parameters

- `ifp`: The interface.
- `protocol_family`: The protocol family.
- `kev_msg`: The event.

## Discussion

Discussion proto_media_event is called to notify this layer of interface specific events.