---
title: Link Quality Constants
framework: networkingdriverkit
role: collectionGroup
role_heading: API Collection
path: networkingdriverkit/link-quality-constants
---

# Link Quality Constants

Constants describing the quality of the link between the device and your driver.

## Topics

### Getting the Link Quality

- [kIOUserNetworkLinkQualityOff](networkingdriverkit/kiousernetworklinkqualityoff.md)
- [kIOUserNetworkLinkQualityUnknown](networkingdriverkit/kiousernetworklinkqualityunknown.md)
- [kIOUserNetworkLinkQualityBad](networkingdriverkit/kiousernetworklinkqualitybad.md)
- [kIOUserNetworkLinkQualityPoor](networkingdriverkit/kiousernetworklinkqualitypoor.md)
- [kIOUserNetworkLinkQualityGood](networkingdriverkit/kiousernetworklinkqualitygood.md)