From: "Jason A. Donenfeld" <Jason@zx2c4.com>
To: "WireGuard mailing list" <wireguard@lists.zx2c4.com>
Subject: [ANNOUNCE] wireguard-linux-compat v1.0.20210219 released
Date: Fri, 19 Feb 2021 15:14:45 +0100 [thread overview]
Message-ID: <5b82970bf3f56fa5@lists.zx2c4.com> (raw)
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Hello,
A new version, v1.0.20210219, of the backported WireGuard kernel module for
3.10 <= Linux <= 5.5.y has been tagged in the git repository.
== Changes ==
* compat: remove unused version.h headers
* compat: redefine version constants for sublevel>=256
* compat: skb_mark_not_on_list will be backported to Ubuntu 18.04
* compat: zero out skb->cb before icmp
Various compat fixes, most notable of which is that the 4.9.256 and 4.4.256
kernels no longer cause integer wraparound problems. For more info:
https://lwn.net/Articles/845120/ https://lwn.net/Articles/845207/
* selftests: test multiple parallel streams
* qemu: bump default kernel version
Usual test harness improvements.
* peer: put frequently used members above cache lines
* device: do not generate ICMP for non-IP packets
* queueing: get rid of per-peer ring buffers
Most notable here is the queueing commit. Having two ring buffers per-peer
means that every peer resulted in two massive ring allocations. On an 8-core
x86_64 machine, this commit reduces the per-peer allocation from 18,688 bytes
to 1,856 bytes, which is an 90% reduction. With some single-machine
deployments approaching 500,000 peers, we're talking about a reduction from 7
gigs of memory down to 700 megs of memory.
This release contains commits from: Jason A. Donenfeld and Thadeu Lima de
Souza Cascardo.
As always, the source is available at https://git.zx2c4.com/wireguard-linux-compat/
and information about the project is available at https://www.wireguard.com/ .
This version is available in compressed tarball form here:
https://git.zx2c4.com/wireguard-linux-compat/snapshot/wireguard-linux-compat-1.0.20210219.tar.xz
SHA2-256: 99d35296b8d847a0d4db97a4dda96b464311a6354e75fe0bef6e7c4578690f00
A PGP signature of that file decompressed is available here:
https://git.zx2c4.com/wireguard-linux-compat/snapshot/wireguard-linux-compat-1.0.20210219.tar.asc
Signing key: AB9942E6D4A4CFC3412620A749FC7012A5DE03AE
Remember to unxz the tarball before verifying the signature.
If you're a package maintainer, please bump your package version. If you're a
user, the WireGuard team welcomes any and all feedback on this latest version.
Finally, WireGuard development thrives on donations. By popular demand, we
have a webpage for this: https://www.wireguard.com/donations/
Thank you,
Jason Donenfeld
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reply other threads:[~2021-02-19 14:14 UTC|newest]
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