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put the diff into the checksum

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Nico Schottelius 2019-07-10 14:49:23 +02:00
parent ff4a190d8e
commit 9fdc909838
1 changed files with 2 additions and 1 deletions
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3
p4src/checksum_diff.p4
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@ -197,7 +197,8 @@ control MyIngress(inout headers hdr,
v4sum(); v4sum();
v6sum(); v6sum();
bit<16> diff = meta.v6sum - meta.v4sum; bit<16> diff = meta.v6sum - meta.v4sum;
hdr.udp.checksum = hdr.udp.checksum + diff; # hdr.udp.checksum = hdr.udp.checksum + diff;
hdr.udp.checksum = diff;
#else #else
meta.chk_udp_v6 = 1; meta.chk_udp_v6 = 1;