From: David Miller <davem@davemloft.net>
To: shemminger@vyatta.com
Cc: netdev@vger.kernel.org
Subject: Re: [PATCH 1/2] tun: reserves space for network in skb
Date: Thu, 09 Jun 2011 00:09:14 -0700 (PDT) [thread overview]
Message-ID: <20110609.000914.359816474597759076.davem@davemloft.net> (raw)
In-Reply-To: <20110609003321.904295399@vyatta.com>
From: Stephen Hemminger <shemminger@vyatta.com>
Date: Wed, 08 Jun 2011 17:33:07 -0700
> The tun driver allocates skb's to hold data from user and then passes
> the data into the network stack as received data. Most network devices
> allocate the receive skb with routines like dev_alloc_skb() that reserves
> additional space for use by network protocol stack but tun does not.
>
> Because of the lack of padding, when the packet is passed through bridge
> netfilter a new skb has to be allocated.
>
> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
Netconf must be coming up soon, Stephen Hemminger is submitting patches
again :-)
Both applied, thanks!
next prev parent reply other threads:[~2011-06-09 7:09 UTC|newest]
Thread overview: 4+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <20110609003306.651532958@vyatta.com>
2011-06-09 0:33 ` [PATCH 1/2] tun: reserves space for network in skb Stephen Hemminger
2011-06-09 7:09 ` David Miller [this message]
2011-06-09 14:16 ` Stephen Hemminger
2011-06-09 0:33 ` [PATCH 2/2] tun: dont force inline of functions Stephen Hemminger
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=20110609.000914.359816474597759076.davem@davemloft.net \
--to=davem@davemloft.net \
--cc=netdev@vger.kernel.org \
--cc=shemminger@vyatta.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 a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for NNTP newsgroup(s).