Re: [PATCH net-next v2] pppoe: optimize hash with word access

[email protected] Sat, 02 May 2026 02:20:13 +0000

Newsgroups	gmane.linux.ppp,gmane.linux.network,gmane.linux.kernel
Message-ID	<177768841354.3694990.3487399216573568598.git-patchwork-notify@kernel.org>

Hello:

This patch was applied to netdev/net-next.git (main)
by Jakub Kicinski <[email protected]>:

On Wed, 29 Apr 2026 10:38:46 +0800 you wrote:
> Currently, hash_item() processes the 6-byte Ethernet address and the
> 2-byte session ID byte-wise to compute a hash.
> 
> Optimize this by using 16-bit word operations: XOR three 16-bit words
> from the Ethernet address and the 16-bit session ID, then fold the
> result. This reduces the total number of loads and XORs. The Ethernet
> addresses in a skb and struct pppoe_addr are both 2-byte aligned, so the
> u16 pointer cast is safe.
> 
> [...]

Here is the summary with links:
  - [net-next,v2] pppoe: optimize hash with word access
    https://git.kernel.org/netdev/net-next/c/ff393252f99f

You are awesome, thank you!
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