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
>
>
>
>
> ------------------------------------------------------------------------
>
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> 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
diff --git a/src/nox/lib/core.py b/src/nox/lib/core.py
index 67823d1..3b994c6 100644
--- a/src/nox/lib/core.py
+++ b/src/nox/lib/core.py
@@ -171,6 +171,8 @@ class Component:
elif action[0] == openflow.OFPAT_SET_TP_SRC \
or action[0] == openflow.OFPAT_SET_TP_DST:
a = struct.pack("!HHHH", action[0], 8, action[1], 0)
+ elif action[0] == openflow.OFPAT_SET_NW_TOS:
+ a = struct.pack("!HHBBBB", action[0], 8, action[1], 0, 0, 0)
else:
print 'invalid action type', action[0]
return None
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