All of lore.kernel.org
 help / color / mirror / Atom feed
From: ebiederm@xmission.com (Eric W. Biederman)
To: Benjamin LaHaise <bcrl@kvack.org>
Cc: rsa <ravi.mlists@gmail.com>, netdev@vger.kernel.org
Subject: Re: switching network namespace midway
Date: Thu, 25 Oct 2012 09:15:34 -0700	[thread overview]
Message-ID: <87a9var0ih.fsf@xmission.com> (raw)
In-Reply-To: <20121025155927.GI15034@kvack.org> (Benjamin LaHaise's message of "Thu, 25 Oct 2012 11:59:28 -0400")

Benjamin LaHaise <bcrl@kvack.org> writes:

> On Thu, Oct 25, 2012 at 11:29:34AM -0400, rsa wrote:
>> Hi Ben
>> For L2TP that should work very well. But, with other tunnel types like GRE etc.
>> route lookups have to be done first in the inner and then outer.  It
>> makes it easier
>> to keep keep the tunnel in the inner namespace in such cases. right?
>
> I've read IPv4 gre code, and it appears to do the right thing on rx, but it 
> does *not* appear to handle namespaces correctly on transmit.  In general, 
> I would expect pretty much all code to get namespace handling correct for 
> the rx case.  I'll have a closer look at fixing this tomorrow if nobody else 
> beats me to it.

It will be interesting to see what you come up with. 

Eric

  reply	other threads:[~2012-10-25 16:15 UTC|newest]

Thread overview: 52+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2012-10-23 17:49 switching network namespace midway rsa
2012-10-24 21:11 ` Eric W. Biederman
2012-10-24 21:21   ` Benjamin LaHaise
2012-10-25  1:37     ` Eric W. Biederman
2012-10-25 14:38       ` Benjamin LaHaise
2012-10-25 16:21         ` Stephen Hemminger
2012-10-28  5:43           ` Eric W. Biederman
2012-10-29 14:23             ` Stephen Hemminger
2012-10-30  0:21               ` Eric W. Biederman
2012-10-30  8:55                 ` James Chapman
2012-10-25 15:12     ` rsa
2012-10-25 15:29     ` rsa
2012-10-25 15:59       ` Benjamin LaHaise
2012-10-25 16:15         ` Eric W. Biederman [this message]
2012-11-02  2:25           ` Benjamin LaHaise
2012-11-02  6:18             ` Eric W. Biederman
2012-11-02 14:03               ` Benjamin LaHaise
2012-11-02 20:45                 ` Eric W. Biederman
2013-06-24 14:13                   ` [RFC PATCH net-next 0/2] sit: allow to switch netns during encap/decap Nicolas Dichtel
2013-06-24 14:13                     ` [RFC PATCH net-next 1/2] dev: introduce dev_cleanup_skb() Nicolas Dichtel
2013-06-24 18:13                       ` Ben Hutchings
2013-06-24 19:05                         ` Eric W. Biederman
2013-06-24 14:13                     ` [RFC PATCH net-next 2/2] sit: add support of x-netns Nicolas Dichtel
2013-06-24 19:28                       ` Eric W. Biederman
2013-06-24 21:11                         ` Nicolas Dichtel
2013-06-24 22:42                           ` Eric W. Biederman
2013-06-25 14:10                             ` Nicolas Dichtel
2013-06-25 14:24                               ` [PATCH v2 net-next 0/2] sit: allow to switch netns during encap/decap Nicolas Dichtel
2013-06-25 14:24                                 ` [PATCH v2 net-next 1/2] dev: introduce skb_scrub_packet() Nicolas Dichtel
2013-06-25 14:24                                 ` [PATCH v2 net-next 2/2] sit: add support of x-netns Nicolas Dichtel
2013-06-25 23:56                                   ` David Miller
2013-06-26  1:35                                     ` Eric W. Biederman
2013-06-26  5:48                                       ` David Miller
2013-06-26 10:03                                         ` Eric W. Biederman
2013-06-26 10:22                                           ` Eric Dumazet
2013-06-26 12:15                                             ` Nicolas Dichtel
2013-06-26 14:11                                               ` [PATCH v3 net-next 0/2] sit: allow to switch netns during encap/decap Nicolas Dichtel
2013-06-26 14:11                                                 ` [PATCH v3 net-next 1/2] dev: introduce skb_scrub_packet() Nicolas Dichtel
2013-06-26 14:11                                                 ` [PATCH v3 net-next 2/2] sit: add support of x-netns Nicolas Dichtel
2013-06-28  5:36                                                 ` [PATCH v3 net-next 0/2] sit: allow to switch netns during encap/decap David Miller
2013-07-03 15:00                                                   ` [PATCH net-next 0/3] ipip/ip6tnl: " Nicolas Dichtel
2013-07-03 15:00                                                     ` [PATCH net-next 1/3] sit: fix tunnel update via netlink Nicolas Dichtel
2013-07-03 15:00                                                     ` [PATCH net-next 2/3] ipip: add x-netns support Nicolas Dichtel
2013-07-03 15:00                                                     ` [PATCH net-next 3/3] ip6tnl: " Nicolas Dichtel
2013-07-04 21:56                                                     ` [PATCH net-next 0/3] ipip/ip6tnl: allow to switch netns during encap/decap David Miller
2013-08-13 15:51                                                       ` [PATCH net-next v2 0/4] " Nicolas Dichtel
2013-08-13 15:51                                                         ` [PATCH net-next v2 1/4] dev: move skb_scrub_packet() after eth_type_trans() Nicolas Dichtel
2013-08-13 15:51                                                         ` [PATCH net-next v2 2/4] ipv4 tunnels: use net_eq() helper to check netns Nicolas Dichtel
2013-08-13 15:51                                                         ` [PATCH net-next v2 3/4] ipip: add x-netns support Nicolas Dichtel
2013-08-13 15:51                                                         ` [PATCH net-next v2 4/4] ip6tnl: " Nicolas Dichtel
2013-08-15  8:01                                                         ` [PATCH net-next v2 0/4] ipip/ip6tnl: allow to switch netns during encap/decap David Miller
2013-06-26 13:49                                     ` [PATCH v2 net-next 2/2] sit: add support of x-netns Nicolas Dichtel

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=87a9var0ih.fsf@xmission.com \
    --to=ebiederm@xmission.com \
    --cc=bcrl@kvack.org \
    --cc=netdev@vger.kernel.org \
    --cc=ravi.mlists@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.