<!--
{
  "availability" : [
    "macCatalyst: 13.0.0 -",
    "macOS: 10.10.0 -"
  ],
  "documentType" : "symbol",
  "framework" : "vmnet",
  "identifier" : "/documentation/vmnet/vmpktdesc",
  "metadataVersion" : "0.1.0",
  "role" : "Structure",
  "symbol" : {
    "kind" : "Structure",
    "modules" : [
      "vmnet"
    ],
    "preciseIdentifier" : "c:@S@vmpktdesc"
  },
  "title" : "vmpktdesc"
}
-->

# vmpktdesc

Describes a packet.

```
struct vmpktdesc
```

## Topics

### Fields

[`vm_flags`](/documentation/vmnet/vmpktdesc/vm_flags)

Option flags associated with the packet.

[`vm_pkt_iov`](/documentation/vmnet/vmpktdesc/vm_pkt_iov)

An array of packet buffers.

[`vm_pkt_iovcnt`](/documentation/vmnet/vmpktdesc/vm_pkt_iovcnt)

The number of packet buffers in `vm_pkt_iov`.

[`vm_pkt_size`](/documentation/vmnet/vmpktdesc/vm_pkt_size)

The size of the packet, in bytes.


---

Copyright &copy; 2026 Apple Inc. All rights reserved. | [Terms of Use](https://www.apple.com/legal/internet-services/terms/site.html) | [Privacy Policy](https://www.apple.com/privacy/privacy-policy)