From: YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
To: stephan.gatzka@gmail.com
Cc: Stefan Richter <stefanr@s5r6.in-berlin.de>,
linux1394-devel@lists.sourceforge.net, netdev@vger.kernel.org,
linux-kernel@vger.kernel.org,
YOSHIFUJI Hideaki <yoshfuji@linux-ipv6.org>
Subject: Re: [PATCH] firewire net: Ensure checksumming in upper layer.
Date: Mon, 21 Jan 2013 00:10:29 +0900 [thread overview]
Message-ID: <50FC08E5.6020903@linux-ipv6.org> (raw)
In-Reply-To: <50FC0353.8090902@gmail.com>
Stephan Gatzka wrote:
>
>>> Indeed neither the device nor the lower drivers check protocol checksums.
>>> But the CRCs of the encapsulating 1394 packets are checked in hardware.
>>> Shall protocol checksums be verified regardless?
>>
>> Yes, because packets may come from off-link source.
>>
>
> Hm, I can't see any off-link packets coming from fwnet_finish_incoming_packet()
>
> So I wont verify checksums in the driver.
"Off-link source" means the source exists on the different L2
network. In other words, source is connected via router(s).
ethernet firewire
Host -------------- Router ------------ Host
--yoshfuji
next prev parent reply other threads:[~2013-01-20 15:10 UTC|newest]
Thread overview: 8+ messages / expand[flat|nested] mbox.gz Atom feed top
2013-01-20 7:43 [PATCH] firewire net: Ensure checksumming in upper layer YOSHIFUJI Hideaki
2013-01-20 9:50 ` Stefan Richter
2013-01-20 10:37 ` YOSHIFUJI Hideaki
2013-01-20 14:46 ` Stephan Gatzka
2013-01-20 15:10 ` YOSHIFUJI Hideaki [this message]
2013-01-20 15:17 ` Stephan Gatzka
2013-01-20 15:48 ` YOSHIFUJI Hideaki
2013-01-21 4:16 ` David Miller
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=50FC08E5.6020903@linux-ipv6.org \
--to=yoshfuji@linux-ipv6.org \
--cc=linux-kernel@vger.kernel.org \
--cc=linux1394-devel@lists.sourceforge.net \
--cc=netdev@vger.kernel.org \
--cc=stefanr@s5r6.in-berlin.de \
--cc=stephan.gatzka@gmail.com \
/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 an external index of several public inboxes,
see mirroring instructions on how to clone and mirror
all data and code used by this external index.