[v2] dts: add support for no link topology

[Patrick Robb]

 from pathlib import Path, PurePath
 from typing import ClassVar, Final
 
+from api.capabilities import LinkTopology
 from framework.config.test_run import (
     DPDKBuildConfiguration,
     DPDKBuildOptionsConfiguration,
@@ -263,7 +264,8 @@  def _build_dpdk(self) -> None:
         ctx = get_ctx()
         # If the SUT is an ice driver device, make sure to build with 16B descriptors.
         if (
-            ctx.topology.sut_port_ingress
+            ctx.topology.type is not LinkTopology.NO_LINK
+            and not ctx.topology.sut_port_ingress
             and ctx.topology.sut_port_ingress.config.os_driver == "ice"
         ):



I don't understand the change above. Surely we do want to set the custom meson args for ICE DUTs when there is a sut_port_ingress, not when there isn't a sut_port_ingress, right?

Also, does the topology type affect whether we want to use these custom args, if the SUT driver is ice? I guess in a weird case we could have an ethdev test using an ice DUT which does not need a TG?

Reviewed-by: Patrick Robb <patrickrobb1997 at gmail.com>