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get he capabilities values from pyshark packet

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Signed-off-by: anil-tegala <anil.tegala@candelatech.com>
This commit is contained in:
anil-tegala
2022-05-22 00:02:06 +05:30
parent 83df6baf33
commit f00c7c3c48
1 changed files with 42 additions and 46 deletions
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88
py-scripts/lf_pcap.py
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@@ -264,50 +264,50 @@ class LfPcap(Realm):
def check_he_capability_beacon_frame(self, pcap_file): def check_he_capability_beacon_frame(self, pcap_file):
try: try:
if pcap_file is not None: if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.fc.type_subtype == 8') cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 8')
packet_count = 0 packet_count = 0
value = "Packet Not Found" value = "Packet Not Found"
for pkt in cap: for pkt in cap:
if 'wlan.mgt' in pkt: if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('he_su_ppdu_etc_gi') value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_with_1x_he_ltf_08us')
if value is not None: if value is not None:
print(value) print(value)
packet_count += 1 packet_count += 1
if value == 0: if str(value) == '0':
value = "Not Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if value == 1: if str(value) == '1':
value = "Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1: if packet_count == 1:
break break
if packet_count >= 1: if packet_count >= 1:
return f"Beacon Frame - HE Capable: {value}" return f"Beacon Frame - {value}"
else: else:
return f"Beacon Frame - HE Capable: {value}" return f"Beacon Frame - {value}"
except ValueError: except ValueError:
raise "pcap file is required." raise "pcap file is required."
def check_he_capability_probe_request(self, pcap_file): def check_he_capability_probe_request(self, pcap_file):
try: try:
if pcap_file is not None: if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 4 ') cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 4')
packet_count = 0 packet_count = 0
value = "Packet Not Found" value = "Packet Not Found"
for pkt in cap: for pkt in cap:
if 'wlan.mgt' in pkt: if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('radiotap.he.data_1.ppdu_format') value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_with_1x_he_ltf_08us')
if value is not None: if value is not None:
print(value) print(value)
packet_count += 1 packet_count += 1
if value == 0: if str(value) == '0':
value = "Not Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if value == 1: if str(value) == '1':
value = "Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1: if packet_count == 1:
break break
if packet_count >= 1: if packet_count >= 1:
return f"Probe Request - HE Capability : {value}" return f"Probe Request - {value}"
else: else:
return f"Probe Request - HE Capability : {value}" return f"Probe Request - {value}"
except ValueError: except ValueError:
raise "pcap file is required." raise "pcap file is required."
@@ -319,25 +319,24 @@ class LfPcap(Realm):
value = "Packet Not Found" value = "Packet Not Found"
for pkt in cap: for pkt in cap:
if 'wlan.mgt' in pkt: if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('radiotap.he.data_1.ppdu_format') value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_with_1x_he_ltf_08us')
if value is not None: if value is not None:
print(value) print(value)
packet_count += 1 packet_count += 1
if value == 0: if str(value) == '0':
value = "Not Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if value == 1: if str(value) == '1':
value = "Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1: if packet_count == 1:
break break
if packet_count >= 1: if packet_count >= 1:
return f"Probe Response - HE Capability : {value}" return f"Probe Response - {value}"
else: else:
return f"Probe Response - HE Capability : {value}" return f"Probe Response - {value}"
except ValueError: except ValueError:
raise "pcap file is required." raise "pcap file is required."
def check_he_capability_association_request(self, pcap_file): def check_he_capability_association_request(self, pcap_file):
print("pcap file path: %s" % pcap_file)
try: try:
if pcap_file is not None: if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 0') cap = self.read_pcap(pcap_file=pcap_file, apply_filter='wlan.ext_tag.he_phy_cap.he_su_ppdu_etc_gi == 1 && wlan.fc.type_subtype == 0')
@@ -345,14 +344,14 @@ class LfPcap(Realm):
value = "Packet Not Found" value = "Packet Not Found"
for pkt in cap: for pkt in cap:
if 'wlan.mgt' in pkt: if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformee') value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_etc_gi')
if value is not None: if value is not None:
print(value) print(value)
packet_count += 1 packet_count += 1
if value == 0: if str(value) == '0':
value = "Not Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if value == 1: if str(value) == '1':
value = "Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1: if packet_count == 1:
break break
print(packet_count) print(packet_count)
@@ -371,45 +370,42 @@ class LfPcap(Realm):
value = "Packet Not Found" value = "Packet Not Found"
for pkt in cap: for pkt in cap:
if 'wlan.mgt' in pkt: if 'wlan.mgt' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformer') value = pkt['wlan.mgt'].get_field_value('wlan_ext_tag_he_phy_cap_he_su_ppdu_etc_gi')
if value is not None: if value is not None:
print(value) print(value)
packet_count += 1 packet_count += 1
if value == 0: if str(value) == '0':
value = "Not Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Not Supported"
if value == 1: if str(value) == '1':
value = "Supported" value = "HE SU PPDU & HE MU PPDU w 4x HE-LTF & 0.8us GI: Supported"
if packet_count == 1: if packet_count == 1:
break break
if packet_count >= 1: if packet_count >= 1:
return f"Association Response - HE Capability : {value}" return f"Association Response - {value}"
else: else:
return f"Association Response - HE Capability : {value}" return f"Association Response - {value}"
except ValueError: except ValueError:
raise "pcap file is required" raise "pcap file is required"
def check_he_gi_bus(self, pcap_file): def check_he_guard_interval(self, pcap_file):
try: try:
if pcap_file is not None: if pcap_file is not None:
cap = self.read_pcap(pcap_file=pcap_file, apply_filter='radiotap.he.data_5.gi') cap = self.read_pcap(pcap_file=pcap_file, apply_filter='radiotap.he.data_5.gi')
packet_count = 0 packet_count = 0
value = "Packet Not Found" value = "Packet Not Found"
for pkt in cap: for pkt in cap:
if 'wlan.mgt' in pkt: if 'radiotap' in pkt:
value = pkt['wlan.mgt'].get_field_value('wlan_vht_capabilities_mubeamformer') value = pkt['radiotap'].get_field_value('radiotap_he_data_5_gi')
if value is not None: if value is not None:
print(value) print(value)
value = f"GI: {str(value)}us"
packet_count += 1 packet_count += 1
if value == 0:
value = "Not Supported"
if value == 1:
value = "Supported"
if packet_count == 1: if packet_count == 1:
break break
if packet_count >= 1: if packet_count >= 1:
return f"Association Response - HE Capability : {value}" return f"Radio Tap Header - {value}"
else: else:
return f"Association Response - HE Capability : {value}" return f"Radio Tap Header - {value}"
except ValueError: except ValueError:
raise "pcap file is required" raise "pcap file is required"
@@ -482,7 +478,7 @@ see: /py-scritps/lf_pcap.py
# pcap_obj.check_beamformer_beacon_frame(pcap_file=pcap_obj.pcap_file) # pcap_obj.check_beamformer_beacon_frame(pcap_file=pcap_obj.pcap_file)
# pcap_obj.get_wlan_mgt_status_code(pcap_file=pcap_obj.pcap_file) # pcap_obj.get_wlan_mgt_status_code(pcap_file=pcap_obj.pcap_file)
# pcap_obj.get_packet_info(pcap_obj.pcap_file) # pcap_obj.get_packet_info(pcap_obj.pcap_file)
pcap_obj.check_he_capability_beacon_frame(pcap_file=pcap_obj.pcap_file) # pcap_obj.check_he_capability_beacon_frame(pcap_file=pcap_obj.pcap_file)
if __name__ == "__main__": if __name__ == "__main__":