From: Fred Baker <fred@cisco.com>
To: Sean Conner <sean@conman.org>
Cc: bloat-devel@lists.bufferbloat.net
Subject: Re: A tiny almost sorta kinda nearly minimal perfect hash for a mac classifier?
Date: Mon, 14 Nov 2011 10:41:08 +0800 [thread overview]
Message-ID: <B26D654E-C6CB-4A1F-A299-E8FE2B3FEB43@cisco.com> (raw)
In-Reply-To: <20111114022209.GA5769@brevard.conman.org>
On Nov 14, 2011, at 10:22 AM, Sean Conner wrote:
> Why not just use the lower N bits as the hash function?
or
unsigned macHash (unsigned long long macAddressClone) {
return 0xFFF & (macAddressClone ^ (macAddressClone >> 12));
}
That allows you to keep different OUIs separated somewhat.
next prev parent reply other threads:[~2011-11-14 2:41 UTC|newest]
Thread overview: 11+ messages / expand[flat|nested] mbox.gz Atom feed top
2011-11-13 20:43 Dave Taht
2011-11-14 2:22 ` Sean Conner
2011-11-14 2:41 ` Fred Baker [this message]
2011-11-14 7:44 ` Dave Taht
2011-11-14 8:13 ` Sean Conner
2011-11-14 8:21 ` Dave Taht
2011-11-15 21:14 ` Sean Conner
2011-11-15 21:44 ` Jonathan Morton
2011-11-15 22:19 ` Dave Taht
2011-11-15 22:20 ` Dave Taht
2011-11-14 8:20 Sean Conner
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
Avoid top-posting and favor interleaved quoting:
https://en.wikipedia.org/wiki/Posting_style#Interleaved_style
* Reply using the --to, --cc, and --in-reply-to
switches of git-send-email(1):
git send-email \
--in-reply-to=B26D654E-C6CB-4A1F-A299-E8FE2B3FEB43@cisco.com \
--to=fred@cisco.com \
--cc=bloat-devel@lists.bufferbloat.net \
--cc=sean@conman.org \
/path/to/YOUR_REPLY
https://kernel.org/pub/software/scm/git/docs/git-send-email.html
* If your mail client supports setting the In-Reply-To header
via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line
before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox