X-Git-Url: https://gerrit.fd.io/r/gitweb?p=csit.git;a=blobdiff_plain;f=GPL%2Ftraffic_scripts%2FPacketVerifier.py;h=89b8c3c2068ed4a3bd0d9e74c512c7839c6d79ae;hp=c91592162532f0f34b5ad5826df3d369fea8c30b;hb=8b25b4e89bdba964f2a3d602b8c47f551a084724;hpb=a318ebefc569c5c1b1527c5de6dd3e3ac2f9c163 diff --git a/GPL/traffic_scripts/PacketVerifier.py b/GPL/traffic_scripts/PacketVerifier.py index c915921625..89b8c3c206 100644 --- a/GPL/traffic_scripts/PacketVerifier.py +++ b/GPL/traffic_scripts/PacketVerifier.py @@ -1,4 +1,4 @@ -# Copyright (c) 2020 Cisco and/or its affiliates. +# Copyright (c) 2021 Cisco and/or its affiliates. # # SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later # @@ -12,7 +12,8 @@ # # Note: If this file is linked with Scapy, which is GPLv2+, your use of it # must be under GPLv2+. If at any point in the future it is no longer linked -# with Scapy (or other GPLv2+ licensed software), you are free to choose Apache 2. +# with Scapy (or other GPLv2+ licensed software), you are free to choose +# Apache 2. # # Unless required by applicable law or agreed to in writing, software # distributed under the License is distributed on an "AS IS" BASIS, @@ -331,9 +332,10 @@ def create_gratuitous_arp_request(src_mac, src_ip): def auto_pad(packet): """Pads zeroes at the end of the packet if the total packet length is less - then 64 bytes in case of IPv4 or 78 bytes in case of IPv6. + then 60 bytes in case of IPv4 or 78 bytes in case of IPv6. """ - min_len = 78 if packet.haslayer(IPv6) else 64 + # TODO: add document explaining deduction of FCS part + min_len = 78 if packet.haslayer(IPv6) else 60 pad_layer = Raw if packet.haslayer(Raw) \ else Padding if packet.haslayer(Padding) else None if pad_layer: