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subtract ipv4, not ipv6

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This commit is contained in:
Nico Schottelius 2019-07-17 17:54:05 +02:00
parent e10e4db6fa
commit 2338d4d780
1 changed files with 2 additions and 2 deletions
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4
p4src/actions_delta_checksum.p4
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@ -61,7 +61,7 @@ action delta_udp_from_v4_to_v6()
tmp = tmp + 1; tmp = tmp + 1;
tmp[16:16] = 0; tmp[16:16] = 0;
} }
tmp = tmp + (bit<17>) (0xffff - meta.v6sum); tmp = tmp + (bit<17>) (0xffff - meta.v4sum);
if (tmp[16:16] == 1) { if (tmp[16:16] == 1) {
tmp = tmp + 1; tmp = tmp + 1;
tmp[16:16] = 0; tmp[16:16] = 0;
@ -79,7 +79,7 @@ action delta_tcp_from_v4_to_v6()
tmp = tmp + 1; tmp = tmp + 1;
tmp[16:16] = 0; tmp[16:16] = 0;
} }
tmp = tmp + (bit<17>) (0xffff - meta.v6sum); tmp = tmp + (bit<17>) (0xffff - meta.v4sum);
if (tmp[16:16] == 1) { if (tmp[16:16] == 1) {
tmp = tmp + 1; tmp = tmp + 1;
tmp[16:16] = 0; tmp[16:16] = 0;