Re: [PATCH net-next v2 00/10] udp/ipv6 optimisations
From: patchwork-bot+netdevbpf
Date: Thu Jan 27 2022 - 23:20:20 EST
Hello:
This series was applied to netdev/net-next.git (master)
by Jakub Kicinski <kuba@xxxxxxxxxx>:
On Thu, 27 Jan 2022 00:36:21 +0000 you wrote:
> Shed some weight from udp/ipv6. Zerocopy benchmarks over dummy showed
> ~5% tx/s improvement, should be similar for small payload non-zc
> cases.
>
> The performance comes from killing 4 atomics and a couple of big struct
> memcpy/memset. 1/10 removes a pair of atomics on dst refcounting for
> cork->skb setup, 9/10 saves another pair on cork init. 5/10 and 8/10
> kill extra 88B memset and memcpy respectively.
>
> [...]
Here is the summary with links:
- [net-next,v2,01/10] ipv6: optimise dst refcounting on skb init
https://git.kernel.org/netdev/net-next/c/cd3c74807736
- [net-next,v2,02/10] udp6: shuffle up->pending AF_INET bits
https://git.kernel.org/netdev/net-next/c/406c4a0af010
- [net-next,v2,03/10] ipv6: remove daddr temp buffer in __ip6_make_skb
https://git.kernel.org/netdev/net-next/c/b60d4e58c615
- [net-next,v2,04/10] ipv6: clean up cork setup/release
https://git.kernel.org/netdev/net-next/c/d656b2ea5fa7
- [net-next,v2,05/10] ipv6: don't zero inet_cork_full::fl after use
https://git.kernel.org/netdev/net-next/c/940ea00b0646
- [net-next,v2,06/10] ipv6: pass full cork into __ip6_append_data()
https://git.kernel.org/netdev/net-next/c/f3b46a3e8c40
- [net-next,v2,07/10] udp6: pass flow in ip6_make_skb together with cork
https://git.kernel.org/netdev/net-next/c/f37a4cc6bb0b
- [net-next,v2,08/10] udp6: don't make extra copies of iflow
https://git.kernel.org/netdev/net-next/c/5298953e742d
- [net-next,v2,09/10] ipv6: optimise dst refcounting on cork init
https://git.kernel.org/netdev/net-next/c/40ac240c2e06
- [net-next,v2,10/10] ipv6: partially inline ipv6_fixup_options
https://git.kernel.org/netdev/net-next/c/31ed2261e88f
You are awesome, thank you!
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