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sixlowpan: fix UDP_NHC port decompression

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This commit is contained in:
Philipp Raich
2022-05-19 13:50:56 +02:00
parent 4e3d9485c4
commit 5e49582250
1 changed files with 4 additions and 8 deletions
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12
src/sixlowpan/model/sixlowpan-net-device.cc
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@@ -2199,22 +2199,18 @@ SixLowPanNetDevice::DecompressLowPanUdpNhc (Ptr<Packet> packet, Ipv6Address sadd
break;
case SixLowPanUdpNhcExtension::PORTS_ALL_SRC_LAST_DST:
udpHeader.SetSourcePort (encoding.GetSrcPort ());
temp = 0xf0;
temp |= (temp << 8) | encoding.GetDstPort ();
temp = (0xf0 << 8) | encoding.GetDstPort ();
udpHeader.SetDestinationPort (temp);
break;
case SixLowPanUdpNhcExtension::PORTS_LAST_SRC_ALL_DST:
temp = 0xf0;
temp |= (temp << 8) | encoding.GetSrcPort ();
temp = (0xf0 << 8) | encoding.GetSrcPort ();
udpHeader.SetSourcePort (temp);
udpHeader.SetDestinationPort (encoding.GetDstPort ());
break;
case SixLowPanUdpNhcExtension::PORTS_LAST_SRC_LAST_DST:
temp = 0xf0b;
temp |= (temp << 4) | encoding.GetSrcPort ();
temp = (0xf0b << 4) | encoding.GetSrcPort ();
udpHeader.SetSourcePort (temp);
temp = 0xf0b;
temp |= (temp << 4) | encoding.GetDstPort ();
temp = (0xf0b << 4) | encoding.GetDstPort ();
udpHeader.SetDestinationPort (temp);
break;
}