| """ |
| Copyright 2015 Open Networking Foundation ( ONF ) |
| |
| Please refer questions to either the onos test mailing list at <onos-test@onosproject.org>, |
| the System Testing Plans and Results wiki page at <https://wiki.onosproject.org/x/voMg>, |
| or the System Testing Guide page at <https://wiki.onosproject.org/x/WYQg> |
| |
| TestON is free software: you can redistribute it and/or modify |
| it under the terms of the GNU General Public License as published by |
| the Free Software Foundation, either version 2 of the License, or |
| ( at your option ) any later version. |
| |
| TestON is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| GNU General Public License for more details. |
| |
| You should have received a copy of the GNU General Public License |
| along with TestON. If not, see <http://www.gnu.org/licenses/>. |
| """ |
| import scapy |
| |
| |
| class MPLS( Packet ): |
| name = "MPLS" |
| fields_desc = [ |
| BitField( "label", 3, 20 ), |
| BitField( "experimental_bits", 0, 3 ), |
| BitField( "bottom_of_label_stack", 1, 1 ), # Now we're at the bottom |
| ByteField( "TTL", 255 ) |
| ] |