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udp translation adopted

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Nico Schottelius 2019-07-16 10:55:17 +02:00
parent beecac726d
commit beada8408a
1 changed files with 5 additions and 2 deletions
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7
p4src/actions_delta_checksum.p4
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@ -70,8 +70,11 @@ action delta_prepare()
action delta_udp_from_v4_to_v6() action delta_udp_from_v4_to_v6()
{ {
delta_prepare(); v4sum();
hdr.udp.checksum = hdr.udp.checksum + meta.headerdiff; v6sum();
/* here is also a possible overflow in both directions */
hdr.udp.checksum = hdr.udp.checksum + meta.v6sum - meta.v4sum;
} }
action delta_tcp_from_v4_to_v6() action delta_tcp_from_v4_to_v6()