Re: [mpls-linux-devel] Re: [ANNOUNCE] Experimental (developers only) linux-2.6.0-test11-mpls-1.179-rcas1.diff

[James R. L. <jl...@mi...>]

Sorry for lack of activity over the last week.  I'm helping build/run the network
for a tradeshow in chicago IL USA.  I'll be done with my part of this gig on
tuesday.  My first order of business is to catch up with this list and the
e-mail surrounding it.

Laters.

On Sun, Nov 30, 2003 at 12:49:29PM -0500, jamal wrote:
> Hi Ramon,
> I guess this is the first email on that list? I am not even sure if i am
> on it or not. I sent a design description to James last week and was
> hoping to receive some feedback. Are you guys discussing in the
> background? I havent seen anything back. 
> 
> cheers,
> jamal
> 
> On Sun, 2003-11-30 at 10:36, Ramon Casellas wrote:
> > Hi James/Jamal/Harald/all,
> > 
> > Well, yet another experimental release.
> > 
> > BIG FAT WARNING:
> > =====================
> > 
> > The kernel compiles and boots. proc entries are created and show the mpls
> > subsystem status, tunnels can be created, and netlink "link layer" is set
> > up ,but the user plane (forwarding) implementation does not work (most
> > notably, it is impossible to add MOIs, given the latest changes in
> > dst/neigh/etc.). Although ioctls are enabled for debug purposes,
> > work is in progress to port to netlink (we need to define the MPLS
> > kernel-userspace protocol, but a first step would be to re-use the
> > existing ioctl data structures).
> > 
> > I have (non-officially!) #define'd MPLS_NETLINK 9. Maybe the big guys from
> > netdev@ can allocate a number for us :)
> > 
> > 
> > Regards,
> > Ramon
> > 
> > // -------------------------------------------------------------------
> > // Ramon Casellas - GET/ENST/INFRES/RHD/A508 - cas...@in...
> > 
> > 
> > PS:
> > * Further discussion on mpls-linux-devel only. Sorry if you received
> > several copies of this email.
> > 
> > 
> > Releases:
> > =====================
> > I am not proj. admin, and I cannot perform file release operations, so in
> > order not to fill up your inboxes, releases can be found in:
> > 
> > * Latest diff (2.6.0-test11  -> 2.6.0-test11-mpls)
> > 
> > http://perso.enst.fr/~casellas/mpls-linux/linux-2.6.0-test11-mpls-1.179-rcas1.diff
> > 
> > 
> > * I have started porting mplsadm -> mplsnl to use netlink.
> > 
> > http://perso.enst.fr/~casellas/mpls-linux/mplsnl-0.1.tar.gz
> > 
> > 
> > 
> > Overview:
> > =====================
> > 	- I ***'up yesterday's diff (again, I know!, I know, bear with
> >           me, I'm a little braind..)  missing define
> > 
> > 	- Fixed a bug that I introduced in mpls labelspace handling.
> > 
> > 	- Added basic infrastructure for MPLS netlink. Userspace apps can
> > 	  communicate with MPLS subsystem. The "link layer" is set up. We need
> > 	  to define a Userspace <-> Kernel Protocol (we can start porting the
> > 	  ioctl mechanism to netlink). cf the userspace mplsnl app. for
> > 	  details. Tested
> > 
> > 
> > Changes w.r.t yesterday's release: (cf. yesterday's mail for details)
> > ====================================================================
> > 
> > 	* linux-2.6.0-test11-mpls/net/mpls/mpls_netlink.c
> > 	  - Added file
> > 	  - Modified net/mpls/mpls.h (add prototypes).
> > 
> > 
> > 	* linux-2.6.0-test11-mpls/include/linux/mpls.h
> > 	  - Added #define mir_set_tc     mir_data.set_tc which was missing in
> > 	  previous diff
> > 
> > 	* linux-2.6.0-test11/include/linux/netlink.h
> > 	  - Allocated a new Netlink for MPLS (non official!)
> > 		#ifdef CONFIG_MPLS
> > 		#define NETLINK_MPLS		9
> > 		#endif
> > 
> > 	* linux-2.6.0-test11/net/netlink/netlink_dev.c	2003-11-27
> > 	+ 	{
> > 			.name	= "mpls",
> > 			.minor	= NETLINK_MPLS,
> > 		},
> > 
> > 		...
> > 
> > Some tests:
> > =====================
> > ------------------------------------------
> > gandalf mplsadm# dmesg | grep MPLS
> > MPLS Support v1.0 James R. Leu <jl...@mi...> -- Ramon Casellas <cas...@in...>
> > MPLS Initializing Input Radix Tree
> > MPLS Initializing Output Radix Tree
> > MPLS Initializing MPLS ProcFS Interface
> > MPLS  MultiProtocol Label Switching Tunnel Module
> > MPLS  (c)  1999-2003 JLeu -- (c) 2003 RCas
> > MPLS version 1.179 2003/11/20
> > MPLS DEBUG net/mpls/mpls_ioctls.c:38:mpls_ioctl: IOCTL 35844
> > MPLS DEBUG net/mpls/mpls_ioctls.c:93:mpls_ioctl: IOCTL Add Tunnel
> > MPLS DEBUG net/mpls/mpls_tunnel.c:366:mpls_tunnel_create: Allocated MPLS tunnel mpls0
> > MPLS DEBUG net/mpls/mpls_ioctls.c:38:mpls_ioctl: IOCTL 35842
> > MPLS DEBUG net/mpls/mpls_ioctls.c:55:mpls_ioctl: IOCTL Set LabelSpace
> > 
> > ------------------------------------------
> > gandalf mplsadm# cat /proc/net/mpls/*
> > Debug: 1
> > Label spaces
> > ---------------
> > ath0    5      3
> > mpls0   -1      2
> > 
> > mpls0   0x00000000
> > 01010709
> > 
> > 
> > ------------------------------------------
> > gandalf mplsadm# cat /sys/class/net/mpls0/*
> > 4
> > 00:00:00:00
> > 00:00:00:00
> > 0x0
> > 0x90
> > 6
> > 6
> > 1500
> > cat: /sys/class/net/mpls0/statistics: Is a directory
> > 0
> > 899
> > 
> > 
> > ------------------------------------------
> > netlink
> > gandalf mplsnl# ./mplsnl
> > MPLSNETLINK mplsnl.h:284:open: Socket descriptor 3
> > MPLSNETLINK mplsnl.h:285:open: Local Addr 11857 (len 12)
> > MPLSNETLINK mplsnl.h:286:open: Peer  Addr 0 (len 12)
> > MPLSNETLINK mplsnl.h:315:send_msg: SizeOf nlmsg_len 24 (24)
> > MPLSNETLINK answers: Invalid argument
> > 
> > 
> > dmesg
> > MPLS DEBUG net/mpls/mpls_netlink.c:204:mpls_netlink_rcv: Enter
> > MPLS DEBUG net/mpls/mpls_netlink.c:137:mpls_netlink_rcv_msg: Received netlink request 1 of len 24 from pid 11854
> > MPLS DEBUG net/mpls/mpls_netlink.c:226:mpls_netlink_rcv: Exit
> > 
> > 
> > 
> > 
> > 
> 
> 
> 
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-- 
James R. Leu
jl...@mi...