lists  /  announce  owl-users  owl-dev  john-users  john-dev  passwdqc-users  yescrypt  popa3d-users  /  oss-security  kernel-hardening  musl  sabotage  tlsify  passwords  /  crypt-dev  xvendor  /  Bugtraq  Full-Disclosure  linux-kernel  linux-netdev  linux-ext4  PHC 
Open Source and information security mailing list archives
Hash Suite: Windows password security audit tool. GUI, reports in PDF.
[<prev] [next>] [<thread-prev] [day] [month] [year] [list]
Date:	Tue, 15 Dec 2015 23:25:44 -0500 (EST)
From:	David Miller <>
Subject: Re: [PATCH v6 net-next 0/4] ila: Optimization to preserve value of
 early demux 

From: Tom Herbert <>
Date: Tue, 15 Dec 2015 15:41:34 -0800

> In the current implementation of ILA, LWT is used to perform
> translation on both the input and output paths. This is functional,
> however there is a big performance hit in the receive path. Early
> demux occurs before the routing lookup (a hit actually obviates the
> route lookup). Therefore the stack currently performs early
> demux before translation so that a local connection with ILA
> addresses is never matched. Note that this issue is not just
> with ILA, but pretty much any translated or encapsulated packet
> handled by LWT would miss the opportunity for early demux. Solving
> the general problem seems non trivial since we would need to move
> the route lookup before early demx thereby mitigating the value.
> This patch set addresses the issue for ILA by adding a fast locator
> lookup that occurs before early demux. This done by hooking in to
> For the backend we implement an rhashtable that contains identifier
> to locator to mappings. The table also allows more specific matches
> that include original locator and interface.

Series applied, thanks Tom.
To unsubscribe from this list: send the line "unsubscribe netdev" in
the body of a message to
More majordomo info at

Powered by blists - more mailing lists