From: Marcel Holtmann <marcel@holtmann.org>
To: Erwin Authried <eauth@softsys.co.at>
Cc: BlueZ Mailing List <bluez-users@lists.sourceforge.net>
Subject: Re: [Bluez-users] lockup problem with larger packets
Date: Thu, 28 Oct 2004 19:30:51 +0200 [thread overview]
Message-ID: <1098984652.6636.31.camel@pegasus> (raw)
In-Reply-To: <1098973897.11799.97.camel@justakiss>
Hi Erwin,
> here's a patch that reduces the execution time for "unslipping" the
> received data considerably. The patch does NOT support packets with CRC!
> This would require a little bit of additional work, I think that it
> would be better to rewrite the crc routine to calculate the whole packet
> checksum at once for better performance. I have not done that because
> the CBT100C doesn't use crc's.
> Please ignore the __fastram attribute, it's for uClinux on my specific
> board only. Functions with this attribute are placed into the cpu's
> internal 32-bit ram for faster execution.
thanks for the patch, but I can't apply it. You don't follow the coding
style and some parts are looking too hackish to me. However I don't have
enough time to look at the performance problems of the BCSP driver, but
it seems that this is necessary. So is anyone volunteering?
Regards
Marcel
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prev parent reply other threads:[~2004-10-28 17:30 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-10-22 21:21 [Bluez-users] lockup problem with larger packets Erwin Authried
2004-10-23 13:55 ` Marcel Holtmann
[not found] ` <1098928778.23859.32.camel@kabel>
2004-10-28 11:47 ` Marcel Holtmann
2004-10-28 14:31 ` Erwin Authried
2004-10-28 17:30 ` Marcel Holtmann [this message]
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