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Begin checksumming icmp4

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Nico Schottelius 2019-03-27 18:01:11 +01:00
commit 404d4ff0df
4 changed files with 33 additions and 5 deletions
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17
p4src/static-mapping.p4
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@ -54,7 +54,22 @@ control MyIngress(inout headers hdr,
*/
action nat64_icmp6()
{
hdr.icmp.setValid();
hdr.ipv4.protocol = PROTO_ICMP; // overwrite generic same protocol assumption
switch(hdr.icmp6.type) {
ICMP6_ECHO_REQUEST: hdr.icmp.type = ICMP_ECHO_REQUEST;
ICMP6_ECHO_REPLY: hdr.icmp.type = ICMP_ECHO_REPLY;
}
/* trigger checksumming */
meta.switch_task = TASK_CHECKSUM_ICMP;
hdr.icmp6.setInvalid();
/* not needed, as we don't translate them (yet/ever) */
hdr.icmp6_na_ns.setInvalid();
hdr.icmp6_option_link_layer_addr.setInvalid();
}
@ -120,8 +135,6 @@ control MyIngress(inout headers hdr,
nat64_generic(src, dst);
/* fix the protocol specific translations */
// switch() ...
}
/* matching key: v4_network specified again */