[ANNOUNCE] WireGuard Snapshot `0.0.20180718` Available
Jason A. Donenfeld
Jason at zx2c4.com
Wed Jul 18 21:37:19 CEST 2018
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A new snapshot, `0.0.20180718`, has been tagged in the git repository.
Please note that this snapshot is, like the rest of the project at this point
in time, experimental, and does not consitute a real release that would be
considered secure and bug-free. WireGuard is generally thought to be fairly
stable, and most likely will not crash your computer (though it may).
However, as this is a pre-release snapshot, it comes with no guarantees, and
its security is not yet to be depended on; it is not applicable for CVEs.
With all that said, if you'd like to test this snapshot out, there are a
few relevent changes.
== Changes ==
* tools: only error on wg show if all interfaces fail
wg(8) now has a more reasonable error code semantic.
* receive: account for zero or negative budget
A correctness fix that no other drivers implement but that we really should
be doing anyway.
* recieve: disable NAPI busy polling
This avoids adding one reference per peer to the napi_hash hashtable, as
normally done by netif_napi_add(). Since we potentially could have up to
2^20 peers this would make busy polling very slow globally. This approach is
preferable to having only a single napi struct because we get one gro_list
per peer, which means packets can be combined nicely even if we have a large
number of peers. This is also done by gro_cells_init() in net/core/gro_cells.c.
* receive: use gro call instead of plain call
This enables incredible performance improvements in some cases. Benchmark and
see for yourself. It should affect large TCP flows.
* wg-quick: allow link local default gateway
IPv6 endpoints will now work better on BSD and Darwin.
* device: destroy workqueue before freeing queue
Another small correctness fix.
This snapshot contains commits from: Jason A. Donenfeld and Thomas
As always, the source is available at https://git.zx2c4.com/WireGuard/ and
information about the project is available at https://www.wireguard.com/ .
This snapshot is available in compressed tarball form here:
A PGP signature of that file decompressed is available here:
Signing key: AB9942E6D4A4CFC3412620A749FC7012A5DE03AE
If you're a snapshot package maintainer, please bump your package version. If
you're a user, the WireGuard team welcomes any and all feedback on this latest
Finally, WireGuard development thrives on donations. By popular demand, we
have a webpage for this: https://www.wireguard.com/donations/
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