From: Florin Coras <fcoras@cisco.com>
Date: Sat, 18 Oct 2025 21:47:21 +0000 (-0400)
Subject: session: return err if send dgram fails
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=refs%2Fchanges%2F10%2F43910%2F3;p=vpp.git

session: return err if send dgram fails

Make sure app_send_dgram_segs_raw returns error if dgram send fails just
like app_send_stream_raw if not byte is enqueued.

Type: improvement

Change-Id: I4366a4718e9fedde87c8e79363bb4a91b5311588
Signed-off-by: Florin Coras <fcoras@cisco.com>
---

diff --git a/src/vnet/session/application_interface.h b/src/vnet/session/application_interface.h
index d88c1c30c32..40c6b15f8da 100644
--- a/src/vnet/session/application_interface.h
+++ b/src/vnet/session/application_interface.h
@@ -667,11 +667,11 @@ app_send_dgram_segs_raw (svm_fifo_t *f, app_session_transport_t *at,
   int rv;
 
   if (svm_fifo_max_enqueue_prod (f) < seg_len)
-    return 0;
+    return -1;
 
   rv = svm_fifo_enqueue_segments (f, segs, nsegs, 0 /* allow partial */);
   if (PREDICT_FALSE (rv < 0))
-    return 0;
+    return rv;
 
   if (do_evt)
     {