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| f0be41 | Samuli Seppänen | 2025-02-27 13:10:49 | 1 | # Data Channel Offload: non-Linux platforms |
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| 3 | ## Windows |
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| 4 | A kernel module has also been developed for Windows, namely *ovpn-dco-win*. |
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| 6 | It is a device driver implemented in kernelspace that substitutes all previous drivers used by OpenVPN (i.e. tap-windows6, wintun, etc..). Differently from the other drivers, ovpn-dco-win uses the Windows Kernel API to also implement crypto operations, thus allowing the driver to process data packets entirely in kernelspace, similarly to ovpn-dco for Linux. |
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| 8 | The ovpn-dco-win source code is currently available at the following repository: https://github.com/OpenVPN/ovpn-dco-win |
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| 10 | ## FreeBSD |
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| 11 | The FreeBSD community has shown great interest for the DCO model and so they also implemented a FreeBSD kernel module. |
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| 12 | It is expected to be a drop-in replacement for ovpn-dco on Linux, thus implementing the same feature set. |
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| 14 | The originally proposed change (now merged) can be found at: https://reviews.freebsd.org/D34340 |
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| 16 | DCO will be shipped starting with FreeBSD 14 (to be released yet). |