#! /usr/bin/env python2

# This file is part of Scapy
# Scapy 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
# any later version.
#
# Scapy 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 Scapy. If not, see <http://www.gnu.org/licenses/>.

# scapy.contrib.description = AVS WLAN Monitor Header
# scapy.contrib.status = loads

from scapy.packet import Packet, bind_layers
from scapy.fields import IntEnumField, IntField, LongField, SignedIntField
from scapy.layers.dot11 import Dot11
from scapy.data import DLT_IEEE802_11_RADIO_AVS
from scapy.config import conf

AVSWLANPhyType = {0: "Unknown",
                  1: "FHSS 802.11 '97",
                  2: "DSSS 802.11 '97",
                  3: "IR Baseband",
                  4: "DSSS 802.11b",
                  5: "PBCC 802.11b",
                  6: "OFDM 802.11g",
                  7: "PBCC 802.11g",
                  8: "OFDM 802.11a"}

AVSWLANEncodingType = {0: "Unknown",
                       1: "CCK",
                       2: "PBCC",
                       3: "OFDM"}

AVSWLANSSIType = {0: "None",
                  1: "Normalized RSSI",
                  2: "dBm",
                  3: "Raw RSSI"}

AVSWLANPreambleType = {0: "Unknown",
                       1: "Short",
                       2: "Long"}


class AVSWLANHeader(Packet):
    """ iwpriv eth1 set_prismhdr 1 """
    name = "AVS WLAN Monitor Header"
    fields_desc = [IntField("version", 1),
                   IntField("len", 64),
                   LongField("mactime", 0),
                   LongField("hosttime", 0),
                   IntEnumField("phytype", 0, AVSWLANPhyType),
                   IntField("channel", 0),
                   IntField("datarate", 0),
                   IntField("antenna", 0),
                   IntField("priority", 0),
                   IntEnumField("ssi_type", 0, AVSWLANSSIType),
                   SignedIntField("ssi_signal", 0),
                   SignedIntField("ssi_noise", 0),
                   IntEnumField("preamble", 0, AVSWLANPreambleType),
                   IntEnumField("encoding", 0, AVSWLANEncodingType),
                   ]


conf.l2types.register(DLT_IEEE802_11_RADIO_AVS, AVSWLANHeader)

bind_layers(AVSWLANHeader, Dot11)
