Add fabric llfc as a switch extension create attribute

Summary: As titled Reviewed By: shri-khare Differential Revision: D64014923 fbshipit-source-id: fa028a5381106e5754953c522b4c3512cb02a0af
facebook · Oct 8, 2024 · eff4e9c · eff4e9c
1 parent d30c05e
commit eff4e9c
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Showing 3 changed files with 8 additions and 1 deletion.
diff --git a/fboss/agent/hw/sai/api/SwitchApi.h b/fboss/agent/hw/sai/api/SwitchApi.h
@@ -626,7 +626,8 @@ struct SaiSwitchTraits {
       std::optional<Attributes::ArsProfile>,
 #endif
       std::optional<Attributes::ReachabilityGroupList>,
-      std::optional<Attributes::DelayDropCongThreshold>>;
+      std::optional<Attributes::DelayDropCongThreshold>,
+      std::optional<Attributes::FabricLinkLayerFlowControlThreshold>>;
 
 #if SAI_API_VERSION >= SAI_VERSION(1, 12, 0)
   static constexpr std::array<sai_stat_id_t, 3> CounterIdsToRead = {
@@ -758,6 +759,7 @@ SAI_ATTRIBUTE_NAME(Switch, VoqLatencyMaxLevel2Ns);
 SAI_ATTRIBUTE_NAME(Switch, ArsProfile)
 #endif
 SAI_ATTRIBUTE_NAME(Switch, ReachabilityGroupList);
+SAI_ATTRIBUTE_NAME(Switch, FabricLinkLayerFlowControlThreshold);
 
 template <>
 struct SaiObjectHasStats<SaiSwitchTraits> : public std::true_type {};

diff --git a/fboss/agent/hw/sai/tracer/SwitchApiTracer.cpp b/fboss/agent/hw/sai/tracer/SwitchApiTracer.cpp
@@ -123,6 +123,7 @@ void handleExtensionAttributes() {
   SAI_EXT_ATTR_MAP(Switch, VoqLatencyMaxLevel2Ns);
   SAI_EXT_ATTR_MAP(Switch, ReachabilityGroupList);
   SAI_EXT_ATTR_MAP(Switch, DelayDropCongThreshold);
+  SAI_EXT_ATTR_MAP(Switch, FabricLinkLayerFlowControlThreshold);
 }
 
 } // namespace

diff --git a/fboss/agent/platforms/sai/SaiPlatform.cpp b/fboss/agent/platforms/sai/SaiPlatform.cpp
@@ -587,6 +587,9 @@ SaiSwitchTraits::CreateAttributes SaiPlatform::getSwitchAttributes(
     delayDropCongThreshold = 1;
   }
 #endif
+  std::optional<
+      SaiSwitchTraits::Attributes::FabricLinkLayerFlowControlThreshold>
+      fabricLLFC;
 
   return {
       initSwitch,
@@ -651,6 +654,7 @@ SaiSwitchTraits::CreateAttributes SaiPlatform::getSwitchAttributes(
 #endif
       std::nullopt, // ReachabilityGroupList
       delayDropCongThreshold, // Delay Drop Cong Threshold
+      fabricLLFC,
   };
 }