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Support for specifying type translations as part of the forwarding configuration. #373

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Support for specifying type translations as part of the forwarding configuration. #373

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2167c22
Support for specifying type translations as part of the forwarding co…
smolkaj Feb 9, 2022
b9a833c
Support static and dynamic p4runtime translations.
smolkaj Feb 9, 2022
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22 changes: 22 additions & 0 deletions proto/p4/v1/p4runtime.proto
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Original file line number Diff line number Diff line change
Expand Up @@ -714,6 +714,28 @@ message ForwardingPipelineConfig {
uint64 cookie = 1;
}
Cookie cookie = 3;
// Optional: Translations for `@p4runtime_translation`-annotated types, keyed
// by the unique resource identifiers (URIs) of the types.
map<string, P4RuntimeTranslation> p4runtime_translation_by_uri = 4;
}

message P4RuntimeTranslation {
// Specifies the mapping between values in P4 and values in P4Runtime for
// some type annotated with a `@p4runtime_translation`.
oneof translation {
// Static mapping, given by an explicit, reversible (injective) map.
Static static = 1;
// Dynamic mapping, to be generated by the switch lazily at runtime.
// Whenever a P4Runtime value is seen by the switch for the first time, it
// is mapped to a fresh P4 value; this mapping is then persisted and applied
// to all further occurrences of the P4Runtime value.
Dynmaic dynamic = 2;
}

message Static {
map<bytes, bytes> p4_value_by_p4runtime_value = 1;
}
message Dynamic {}
}

message GetForwardingPipelineConfigRequest {
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