[multicast] DDM multicast exchange: V4 protocol, MRIB sync

.github/buildomat/jobs/test-ddm-quartet.sh

@@ -2,7 +2,7 @@
 #:
 #: name = "test-ddm-quartet"
 #: variety = "basic"
-#: target = "helios-2.0"
+#: target = "helios-3.0"
 #: rust_toolchain = "stable"
 #: output_rules = [
 #:   "/work/*.log",

.github/buildomat/jobs/test-ddm-trio.sh

@@ -2,7 +2,7 @@
 #:
 #: name = "test-ddm-trio"
 #: variety = "basic"
-#: target = "helios-2.0"
+#: target = "helios-3.0"
 #: rust_toolchain = "stable"
 #: output_rules = [
 #:   "/work/*.log",

.github/buildomat/test-ddm-common.sh

@@ -1,9 +1,9 @@
 #!/bin/bash
 
 export MAGHEMITE_VERSION=`git rev-parse HEAD`
-export SOFTNPU_VERSION=591c64bf9765b6ed7cd8615ceb8cf6f8d117bd28
-export SIDECAR_LITE_VERSION=a95b7a9f78c08125f4e34106f5c885c7e9f2e8d5
-export DENDRITE_VERSION=72461d3a6e4724fd33454836d3c9d93c393fd4e4
+export SOFTNPU_VERSION=284c6830722548714128e63ea04bcca78ee27154
+export SIDECAR_LITE_VERSION=6f3311e8acd7e7e95c167aab61188355a93afe72
+export DENDRITE_VERSION=0d48b5a39dc49d30b228ae01f04b8cc27a161e74
 
 function cleanup {
     pfexec chown -R `id -un`:`id -gn` .

Cargo.toml

@@ -97,6 +97,7 @@ dropshot-api-manager-types = "0.7.2"
 expectorate = "1.2.0"
 schemars = { version = "0.8.22", features = [ "uuid1", "chrono" ] }
 tokio = { version = "1.52.1", features = ["full"] }
+futures = "0.3"
 serde_repr = "0.1"
 anyhow = "1.0.104"
 port-file = "0.1.0"
@@ -159,4 +160,4 @@ rev = "aa4714289cbf28010a821c49d9b73ec94074fb91"
 
 [workspace.dependencies.dpd-client]
 git = "https://github.com/oxidecomputer/dendrite"
-rev = "04a52a3240a26c58f03e1cf40353d67ff69d76b6"
+rev = "0d48b5a39dc49d30b228ae01f04b8cc27a161e74"

client-common/Cargo.toml

@@ -5,6 +5,10 @@ edition = "2024"
 
 [dependencies]
 oxnet.workspace = true
+schemars.workspace = true
+serde.workspace = true
+thiserror.workspace = true
 
 [dev-dependencies]
 omicron-common.workspace = true
+serde_json.workspace = true

client-common/src/address.rs

@@ -2,8 +2,6 @@
 // License, v. 2.0. If a copy of the MPL was not distributed with this
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
-// Copyright 2026 Oxide Computer Company
-
 //! Multicast addressing constants shared across the routing suite.
 //!
 //! These mirror the canonical definitions in `omicron_common::address`.

client-common/src/lib.rs

@@ -3,6 +3,8 @@
 // file, You can obtain one at https://mozilla.org/MPL/2.0/.
 
 pub mod address;
+pub mod multicast;
+pub mod vni;
 
 /// Like `println!`, but silently exits on broken pipe (EPIPE) instead of
 /// panicking. Other I/O errors still panic.