Reduce outbound routing to 4k and mapping to 8k by default

sonic-net · Nov 12, 2024 · ff185b0 · ff185b0
1 parent ee1fa23
commit ff185b0
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Showing 3 changed files with 19 additions and 2 deletions.
diff --git a/dash-pipeline/bmv2/defines.h b/dash-pipeline/bmv2/defines.h
@@ -0,0 +1,15 @@
+#ifndef _DASH_DEFINES_H_
+#define _DASH_DEFINES_H_
+
+#ifdef TABLE_FULL_SCALE
+#define TABLE_CA_TO_PA_SIZE     (8 * 1024 * 1024)
+#define TABLE_ROUTING_SIZE      (4 * 1024 * 1024)
+
+#else   /* default size */
+#define TABLE_CA_TO_PA_SIZE     (8 * 1024)
+#define TABLE_ROUTING_SIZE      (4 * 1024)
+
+#endif
+
+
+#endif /* _DASH_DEFINES_H_ */
diff --git a/dash-pipeline/bmv2/stages/outbound_mapping.p4 b/dash-pipeline/bmv2/stages/outbound_mapping.p4
@@ -2,6 +2,7 @@
 #define _DASH_STAGE_OUTBOUND_MAPPING_P4_
 
 #include "../dash_routing_types.p4"
+#include "../defines.h"
 
 control outbound_mapping_stage(
     inout headers_t hdr,
@@ -23,7 +24,7 @@ control outbound_mapping_stage(
             set_private_link_mapping(hdr, meta);
             @defaultonly drop(meta);
         }
-        size = 8 * 1024 * 1024;
+        size = TABLE_CA_TO_PA_SIZE;
         const default_action = drop(meta);
 
         ATTACH_TABLE_COUNTER(ca_to_pa_counter)

diff --git a/dash-pipeline/bmv2/stages/outbound_routing.p4 b/dash-pipeline/bmv2/stages/outbound_routing.p4
@@ -2,6 +2,7 @@
 #define _DASH_STAGE_OUTBOUND_ROUTING_P4_
 
 #include "../dash_routing_types.p4"
+#include "../defines.h"
 
 control outbound_routing_stage(
     inout headers_t hdr,
@@ -40,7 +41,7 @@ control outbound_routing_stage(
             route_service_tunnel(hdr, meta);
             drop(meta);
         }
-        size = 4 * 1024 * 1024;
+        size = TABLE_ROUTING_SIZE;
         const default_action = drop(meta);
 
         ATTACH_TABLE_COUNTER(routing_counter)