app-layer: disable stream app tracking on no parser

If protocol has no parser enabled or implemented, disable the app
progress tracking in the stream engine to reduce the workload in
the stream engine.

diff --git a/src/app-layer-parser.c b/src/app-layer-parser.c
index 97172b704666e714991fabd84a33e9662463f401..43accd7217ce2617a5ee66ee1f614421e04b9222 100644 (file)
--- a/src/app-layer-parser.c
+++ b/src/app-layer-parser.c
@@ -1259,8 +1259,12 @@ int AppLayerParserParse(ThreadVars *tv, AppLayerParserThreadCtx *alp_tctx, Flow
     const uint8_t direction = (flags & STREAM_TOSERVER) ? 0 : 1;
 
     /* we don't have the parser registered for this protocol */
-    if (p->StateAlloc == NULL)
+    if (p->StateAlloc == NULL) {
+        if (f->proto == IPPROTO_TCP) {
+            StreamTcpDisableAppLayer(f);
+        }
         goto end;
+    }
 
     if (flags & STREAM_GAP) {
         if (!(p->option_flags & APP_LAYER_PARSER_OPT_ACCEPT_GAPS)) {