From: Florin Coras <fcoras@cisco.com>
Date: Thu, 11 Sep 2025 20:42:49 +0000 (-0400)
Subject: hsa: test cl udp vcl events
X-Git-Tag: v26.02-rc0~37
X-Git-Url: https://gerrit.fd.io/r/gitweb?a=commitdiff_plain;h=aff0e9505a2834d137ffc5c06c2b765a85ea0235;p=vpp.git

hsa: test cl udp vcl events

Validate that rx events are properly propagated for cl udp sessions.

Type: test

Change-Id: Idd5430915d7ba9921d0f5327b1e3f7d3f9ffd333
Signed-off-by: Florin Coras <fcoras@cisco.com>
---

diff --git a/src/plugins/hs_apps/vcl/vcl_test_cl_udp.c b/src/plugins/hs_apps/vcl/vcl_test_cl_udp.c
index 7d27db02120..1ffd2ad5275 100644
--- a/src/plugins/hs_apps/vcl/vcl_test_cl_udp.c
+++ b/src/plugins/hs_apps/vcl/vcl_test_cl_udp.c
@@ -164,17 +164,25 @@ vt_clu_server_worker (void *arg)
   vtclu_worker_args_t *args = (vtclu_worker_args_t *) arg;
   vt_clu_main_t *vclum = args->vclum;
   int worker_id = args->worker_id;
-  int rv, vcl_sh;
+  int rv, vcl_sh, epfd;
   const int buflen = 64;
   char buf[buflen];
   struct sockaddr_in _addr;
   vppcom_endpt_t rmt_ep = { .ip = (void *) &_addr };
+  struct epoll_event ev, events[1];
 
   if (worker_id)
     vppcom_worker_register ();
 
   vtinf ("Server worker %d starting", worker_id);
 
+  epfd = vppcom_epoll_create ();
+  if (epfd < 0)
+    {
+      vterr ("vppcom_epoll_create()", epfd);
+      return NULL;
+    }
+
   vcl_sh = vppcom_session_create (VPPCOM_PROTO_UDP, 0 /* is_nonblocking */);
   if (vcl_sh < 0)
     {
@@ -194,6 +202,17 @@ vt_clu_server_worker (void *arg)
       return NULL;
     }
 
+  ev.events = EPOLLIN;
+  ev.data.fd = vcl_sh;
+
+  rv = vppcom_epoll_ctl (epfd, EPOLL_CTL_ADD, vcl_sh, &ev);
+  if (rv < 0)
+    {
+      vterr ("vppcom_epoll_ctl()", rv);
+      vppcom_session_close (epfd);
+      return NULL;
+    }
+
   vt_clu_catch_sig (vt_clu_sig_handler);
   if (setjmp (sig_jmp_buf))
     vt_clu_handle_sig (vclum, worker_id);
@@ -201,6 +220,18 @@ vt_clu_server_worker (void *arg)
   /* Server worker loop */
   while (!vt_clu_test_done (vclum))
     {
+      rv = vppcom_epoll_wait (epfd, events, 1, -1);
+      if (rv < 0)
+	{
+	  vtwrn ("worker %d: epoll_wait returned %d", worker_id, rv);
+	  vppcom_session_close (epfd);
+	  break;
+	}
+      else if (rv == 0)
+	{
+	  continue;
+	}
+
       rv = vppcom_session_recvfrom (vcl_sh, buf, buflen, 0, &rmt_ep);
       if (rv < 0)
 	{
@@ -231,6 +262,7 @@ vt_clu_server_worker (void *arg)
     }
 
   vppcom_session_close (vcl_sh);
+  vppcom_session_close (epfd);
   vtinf ("Server worker %d exiting", worker_id);
   return NULL;
 }