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Keep packet type correct for multicast / ndp

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This commit is contained in:
Nico Schottelius 2019-03-04 14:27:12 +01:00
commit 6f83eeddb2
2 changed files with 16 additions and 14 deletions
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6
p4app/controller.py
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@ -150,7 +150,7 @@ class L2Controller(object):
self.controller.table_add("v6_networks", "set_egress_port", [net], [v6route['port']])
net = str(self.info['ndp_multicast'])
self.controller.table_add("v6_networks", "controller_debug", [net])
self.controller.table_add("v6_networks", "controller_reply", [net])
self.controller.table_clear("v4_routing")
@ -230,10 +230,12 @@ class L2Controller(object):
pass
elif packet.type == 0x86dd:
pass
elif packet.type == 0x4242:
print("Special handling needed")
pass
elif packet.type == 0x2323:
print("Debug pkg")
pass
else:
print("Broken pkg: {}".format(pkg.__repr__()))
return

24
p4src/static-mapping.p4
View file

@ -201,21 +201,10 @@ control MyEgress(inout headers hdr,
inout metadata meta,
inout standard_metadata_t standard_metadata) {
apply {
/* set tcp header valid after modifying it -- keep this in mind*/
// hdr.tcp.setValid();
// If ingress clone
// ingress clone
if (standard_metadata.instance_type == 1 && meta.ether_modified == 1){
hdr.ethernet.ethertype = meta.ethertype;
// hdr.cpu.setValid();
// hdr.cpu.srcAddr = hdr.ethernet.srcAddr;
// hdr.cpu.ingress_port = (bit<16>)meta.ingress_port;
// truncate((bit<32>)22); //ether+cpu header
}
}
}
@ -231,3 +220,14 @@ MyEgress(),
MyComputeChecksum(),
MyDeparser()
) main;
/* set tcp header valid after modifying it -- keep this in mind*/
// hdr.tcp.setValid();
// hdr.cpu.setValid();
// hdr.cpu.srcAddr = hdr.ethernet.srcAddr;
// hdr.cpu.ingress_port = (bit<16>)meta.ingress_port;
// truncate((bit<32>)22); //ether+cpu header