From: Eric Dumazet <eric.dumazet@gmail.com>
To: Changli Gao <xiaosuo@gmail.com>
Cc: Stephen Hemminger <shemminger@vyatta.com>,
David Miller <davem@davemloft.net>,
netdev@vger.kernel.org
Subject: Re: [PATCH 3/3] ipip: add module alias for tunl0 tunnel device
Date: Tue, 30 Nov 2010 09:21:09 +0100 [thread overview]
Message-ID: <1291105269.2725.52.camel@edumazet-laptop> (raw)
In-Reply-To: <AANLkTi=DFN=r5XLYEwb3RYOyTF+u0uTEUa3wX5i2ijJZ@mail.gmail.com>
Le mardi 30 novembre 2010 à 15:55 +0800, Changli Gao a écrit :
> On Tue, Nov 30, 2010 at 3:19 PM, Eric Dumazet <eric.dumazet@gmail.com> wrote:
> > Le lundi 29 novembre 2010 à 11:47 -0800, Stephen Hemminger a écrit :
> >> pièce jointe document texte brut (ipip-alias.patch)
> >> If ipip is built as a module the 'ip tunnel add' command would fail because
> >> the ipip module was not being autoloaded. Adding an alias for
> >> the tunl0 device name cause dev_load() to autoload it when needed.
> >>
> >> Signed-off-by: Stephen Hemminger <shemminger@vyatta.com>
> >>
> >> --- a/net/ipv4/ipip.c 2010-11-29 11:40:25.026277890 -0800
> >> +++ b/net/ipv4/ipip.c 2010-11-29 11:41:05.790681069 -0800
> >> @@ -913,3 +913,4 @@ static void __exit ipip_fini(void)
> >> module_init(ipip_init);
> >> module_exit(ipip_fini);
> >> MODULE_LICENSE("GPL");
> >> +MODULE_ALIAS("tunl0");
> >
> > I am not sure I understand you...
> >
> > Here, I do have ipip built as a module, and I have no problem :
> >
> > # lsmod|grep ipip
> > # ip tunnel add
> > cannot determine tunnel mode (ipip, gre or sit)
> > # lsmod|grep ipip
> > # ip tunnel add mode ipip
> > # lsmod|grep ipip
> > ipip 7692 0
> > tunnel4 2949 1 ipip
> > #
> >
> > What am I missing ?
> >
> >
>
> localhost linux # lsmod
> Module Size Used by
> ipv6 309359 12
> localhost linux # ip -V
> ip utility, iproute2-ss091226
> localhost linux # ip tunnel add mode gre
> ioctl: No such device
> localhost linux # ip tunnel add mode ipip
> ioctl: No such device
> localhost linux # modprobe ip_gre
> localhost linux # modprobe ipip
> localhost linux # ip tunnel add mode ipip
> localhost linux # ip tunnel add mode gre
> localhost linux # lsmod
> Module Size Used by
> ipip 8128 0
> tunnel4 2683 1 ipip
> ip_gre 15055 0
> gre 1967 1 ip_gre
> ipv6 309359 13 ip_gre
>
>
Hmm. I still dont get it, ipv6 as a module ?
Works well here.
# lsmod
Module Size Used by
bonding 89194 0
ipv6 232889 29 bonding
# ip tunnel add mode ipip
# lsmod
Module Size Used by
ipip 6221 0
bonding 89194 0
ipv6 232889 29 bonding
# ip -V
ip utility, iproute2-ss100823
#
next prev parent reply other threads:[~2010-11-30 8:21 UTC|newest]
Thread overview: 10+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-11-29 19:47 [PATCH 0/3] Tunneling minor patches Stephen Hemminger
2010-11-29 19:47 ` [PATCH 1/3] gre: minor cleanups Stephen Hemminger
2010-11-29 19:47 ` [PATCH 2/3] gre: add module alias for gre0 tunnel device Stephen Hemminger
2010-11-29 19:47 ` [PATCH 3/3] ipip: add module alias for tunl0 " Stephen Hemminger
2010-11-30 7:19 ` Eric Dumazet
2010-11-30 7:55 ` Changli Gao
2010-11-30 8:21 ` Eric Dumazet [this message]
2010-11-30 16:08 ` Stephen Hemminger
2010-11-30 16:27 ` Eric Dumazet
2010-12-01 20:52 ` [PATCH 0/3] Tunneling minor patches David Miller
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