netdev
[Top] [All Lists]

Re: Route cache performance tests

To: ralph+d@xxxxxxxxx, ralph@xxxxxxxxx
Subject: Re: Route cache performance tests
From: "David S. Miller" <davem@xxxxxxxxxx>
Date: Tue, 17 Jun 2003 15:08:49 -0700 (PDT)
Cc: sim@xxxxxxxxxxxxx, netdev@xxxxxxxxxxx, linux-net@xxxxxxxxxxxxxxx
In-reply-to: <Pine.LNX.4.51.0306171753170.13782@xxxxxxxxxxxx>
References: <16111.18107.699689.704597@xxxxxxxxxxxx> <20030617200721.GA25773@xxxxxxxxxxxxx> <Pine.LNX.4.51.0306171753170.13782@xxxxxxxxxxxx>
Sender: netdev-bounce@xxxxxxxxxxx
   From: Ralph Doncaster <ralph@xxxxxxxxx>
   Date: Tue, 17 Jun 2003 18:11:00 -0400 (EDT)
   
   My (obviously incorrect) assumption would
   be that fib_validate_source is responsible for rp_filter, and turning it
   off would lead to only a 5% performance increase.

fib_validate_source() with rp_filter enabled causes an extra
fib_lookup() to occur for each packet.

<Prev in Thread] Current Thread [Next in Thread>