From: Thomas Graf <tgraf@suug.ch>
To: jamal <hadi@cyberus.ca>
Cc: Wang Jian <lark@linux.net.cn>, netdev <netdev@oss.sgi.com>
Subject: Re: [PATCH] improvement on net/sched/cls_fw.c's hash function
Date: Wed, 6 Apr 2005 15:45:02 +0200 [thread overview]
Message-ID: <20050406134502.GP26731@postel.suug.ch> (raw)
In-Reply-To: <1112794459.1096.61.camel@jzny.localdomain>
* jamal <1112794459.1096.61.camel@jzny.localdomain> 2005-04-06 09:34
> On Wed, 2005-04-06 at 08:30, Thomas Graf wrote:
>
> > Let the user specify one of the hash tables via a new TLV:
> > - default: & 0xFF
> > - ((mark & mask) >> shift) & 0xFF
> > - jenkins for 16, 32, and 64 bits
> > - FNV for 16, 32, and 64 bits
>
> When does the user specify this? i would think you need to set it once
> only per bootup. After that it will be quiet complex to reset. It could
> be done but sounds complex and unnecessary. i.e it may be a boot or
> module parameter more than it is a netlink controlled value, no?
I'm not 100% sure about this yet but I think during fw_change so
we can have different hashes for different qdiscs filter chains.
next prev parent reply other threads:[~2005-04-06 13:45 UTC|newest]
Thread overview: 33+ messages / expand[flat|nested] mbox.gz Atom feed top
2005-04-05 5:35 [PATCH] improvement on net/sched/cls_fw.c's hash function Wang Jian
2005-04-05 5:37 ` David S. Miller
2005-04-05 6:05 ` Wang Jian
2005-04-05 10:25 ` jamal
2005-04-05 10:38 ` Thomas Graf
2005-04-05 11:25 ` Wang Jian
2005-04-05 12:16 ` Thomas Graf
2005-04-05 12:39 ` Wang Jian
2005-04-05 12:52 ` Thomas Graf
2005-04-05 13:29 ` Wang Jian
2005-04-05 12:54 ` jamal
2005-04-05 14:18 ` Wang Jian
2005-04-05 16:11 ` jamal
2005-04-06 6:45 ` Wang Jian
2005-04-06 12:16 ` jamal
2005-04-06 12:30 ` Thomas Graf
2005-04-06 13:01 ` Wang Jian
2005-04-06 13:34 ` jamal
2005-04-06 13:45 ` Thomas Graf [this message]
2005-04-06 14:10 ` Thomas Graf
2005-04-06 18:15 ` David S. Miller
2005-04-06 18:31 ` Thomas Graf
2005-04-07 0:55 ` [RFC] dynamic hash table size & xor hash function for cls_fw Thomas Graf
2005-04-07 10:38 ` jamal
2005-04-07 10:47 ` Wang Jian
2005-04-07 10:51 ` Thomas Graf
2005-04-07 11:07 ` jamal
2005-04-07 13:09 ` [PATCH] [PKT_SCHED]: improve hashing performance of cls_fw Thomas Graf
2005-04-07 13:31 ` Wang Jian
2005-04-07 13:52 ` Thomas Graf
2005-04-07 14:03 ` Wang Jian
2005-04-06 13:36 ` [PATCH] improvement on net/sched/cls_fw.c's hash function Eran Mann
2005-04-06 13:53 ` Wang Jian
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