So you are seeing that the switch receives the action correctly (that is, with
the ToS modify action and the correct new ToS bits), but the packets aren't
being modified as you expect? Are you sure the packets you want modified are
matching?
-- Murphy
On Nov 16, 2010, at 12:09 PM, Aaron Rosen wrote:
> Murphy,
>
> Unfortunately this patch does not actually change the ToS bits in the ip
> packet. Sorry I should have confirmed that before I told you it worked. I
> just checkout a fresh copy of nox destiny and confirmed this with wireshark.
>
> (I assumed it worked before, because of this "68, n_packets=37, n_bytes=3626,
> idle_timeout=15,hard_timeout=0,dl_dst=00:22:fa:62:4a:de,actions=mod_nw_tos:0x16,mod_dl_dst:00:17:df:2b:08:00,mod_nw_dst:130.127.39.173,IN_PORT"
> action being installed)
>
> Sorry,
>
> Aaron
>
>
> On Mon, Nov 15, 2010 at 8:19 PM, James "Murphy" McCauley <jam...@nau.edu>
> wrote:
> Great. Pushed to destiny.
>
> -- Murphy
>
> On Mon, 2010-11-15 at 20:11 -0500, Aaron Rosen wrote:
> > Awesome Murphy that seemed to work :D
> >
> > cookie=0, duration_sec=31s, duration_nsec=710000000s, table_id=0,
> > priority=32768, n_packets=32, n_bytes=3136,
> > idle_timeout=5,hard_timeout=0,icmp,dl_vlan=0xffff,dl_vlan_pcp=0x00,dl_src=00:00:00:00:00:02,dl_dst=00:00:00:00:00:04,nw_src=10.0.0.2,nw_dst=10.0.0.4,icmp_type=8,icmp_code=0,actions=mod_nw_tos:0x28,output:3
> >
> > Thanks,
> >
> > Aaron
> >
> >
> > On Mon, Nov 15, 2010 at 7:51 PM, James "Murphy" McCauley
> > <jam...@nau.edu> wrote:
> > >
> > > Try this patch.
> > >
> > > Also, your parameter for OFPAT_SET_NW_TOS ("44") should probably be
> > an
> > > integer (44).
> > >
> > > -- Murphy
> > >
> > > On Mon, 2010-11-15 at 15:30 -0500, Aaron Rosen wrote:
> > > > Thanks Niky,
> > > >
> > > >
> > > > Does anyone know how I would modify those ToS bits then? Or what
> > all I
> > > > would have to add to make, make_action_array be able to modify the
> > ToS
> > > > in the manor that I'm attempting?
> > > >
> > > >
> > > > Thanks,
> > > >
> > > > Aaron
> > > >
> > > > On Mon, Nov 15, 2010 at 3:20 PM, Niky Riga <nr...@bbn.com> wrote:
> > > > I am not 100% but I think the problem is that the
> > > > OFPAT_SET_NW_TOS action is not currently handled by the
> > > > function that creates the actions
> > > > for the python modules.
> > > >
> > > > If you look at the core.py (src/nox/lib/core.py) there is
> > a
> > > > function
> > > > make_action_array() that creates the actions string that
> > is
> > > > sent.
> > > >
> > > > This function covers all the cases but the
> > OFPAT_SET_NW_TOS
> > > > action.
> > > >
> > > > Hope this is helpful.
> > > >
> > > > --niky
> > > >
> > > > Aaron Rosen wrote:
> > > >
> > > > Hello,
> > > >
> > > > I'm trying to change the ToS bits in IP packets
> > but
> > > > nox is telling me invalid action type 8.
> > > >
> > > > Here is the blurb of code that I'm trying:
> > > >
> > > > attrs = extract_flow(packet)
> > > > outport = self.data[dpid, mac_to_str(packet.dst)]
> > > > actions = [[openflow.OFPAT_SET_NW_TOS, "44"],
> > > > [ openflow.OFPAT_OUTPUT, [0, outport]]]
> > > > self.install_datapath_flow( dpid , attrs, 5, 0,
> > > > actions, bufid, openflow.OFP_DEFAULT_PRIORITY,
> > inport,
> > > > packet)
> > > >
> > > > Could anyone point out where I'm going wrong?
> > > >
> > > > Thanks,
> > > >
> > > > Aaron
> > > >
> > > >
> > > >
> > > > --
> > > > Aaron O. Rosen
> > > > Masters Student - Network Communication
> > > > 306B Fluor Daniel
> > > > 843.425.9777
> > > >
> > > >
> > > >
> > > >
> > ------------------------------------------------------------------------
> > > >
> > > > _______________________________________________
> > > > nox-dev mailing list
> > > > nox-dev@noxrepo.org
> > > >
> > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
> > > >
> > > >
> > > >
> > > > --
> > > > Aaron O. Rosen
> > > > Masters Student - Network Communication
> > > > 306B Fluor Daniel
> > > > 843.425.9777
> > > >
> > > >
> > > > _______________________________________________
> > > > nox-dev mailing list
> > > > nox-dev@noxrepo.org
> > > > http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
> > >
> >
> >
> >
> > --
> > Aaron O. Rosen
> > Masters Student - Network Communication
> > 306B Fluor Daniel
> > 843.425.9777
> >
>
>
>
>
>
> --
> Aaron O. Rosen
> Masters Student - Network Communication
> 306B Fluor Daniel
> 843.425.9777
>
_______________________________________________
nox-dev mailing list
nox-dev@noxrepo.org
http://noxrepo.org/mailman/listinfo/nox-dev_noxrepo.org
