---
title: Direction Constants
framework: networkingdriverkit
role: collectionGroup
role_heading: API Collection
path: networkingdriverkit/direction-constants
---

# Direction Constants

Constants indicating package transmission direction.

## Topics

### Getting the Packet Directions

- [kIOUserNetworkPacketDirectionNone](networkingdriverkit/kiousernetworkpacketdirectionnone.md)
- [kIOUserNetworkPacketDirectionRx](networkingdriverkit/kiousernetworkpacketdirectionrx.md)
- [kIOUserNetworkPacketDirectionTx](networkingdriverkit/kiousernetworkpacketdirectiontx.md)