From 461a321b067c1a93d6d446e4681a9f0f2e321895 Mon Sep 17 00:00:00 2001
From: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
Date: Fri, 9 Nov 2018 12:37:24 +0300
Subject: [PATCH] netperf: print supported tests by -t help

Signed-off-by: Konstantin Khlebnikov <khlebnikov@yandex-team.ru>
---
 src/netsh.c | 77 ++++++++++++++++++++++++++++++++++++++++++++++++++++-
 1 file changed, 76 insertions(+), 1 deletion(-)

diff --git a/src/netsh.c b/src/netsh.c
index 1807e6b..ac1e625 100644
--- a/src/netsh.c
+++ b/src/netsh.c
@@ -277,7 +277,7 @@ Global options:\n\
     -r                Allow confidence to be hit on result only\n\
     -s seconds        Wait seconds between test setup and test start\n\
     -S                Set SO_KEEPALIVE on the data connection\n\
-    -t testname       Specify test to perform\n\
+    -t testname       Specify test to perform, 'help' to list supported\n\
     -T lcpu,rcpu      Request netperf/netserver be bound to local/remote cpu\n\
     -v verbosity      Specify the verbosity level\n\
     -W send,recv      Set the number of send,recv buffers\n\
@@ -300,6 +300,68 @@ will only set the first parms and will leave the second at the default\n\
 value. To set the second value it must be preceded with a comma or be a\n\
 comma-separated pair. This is to retain previous netperf behaviour.\n";
 
+char *netperf_tests[] = {
+  "TCP_STREAM",
+  "TCP_MAERTS",
+  "TCP_MSS",
+#ifdef HAVE_ICSC_EXS
+  "EXS_TCP_STREAM",
+#endif /* HAVE_ICSC_EXS */
+#ifdef HAVE_SENDFILE
+  "TCP_SENDFILE",
+#endif /* HAVE_SENDFILE */
+  "TCP_RR",
+  "TCP_CRR",
+  "TCP_CC",
+#ifdef DO_1644
+  "TCP_TRR",
+#endif /* DO_1644 */
+#ifdef DO_NBRR
+  "TCP_NBRR",
+#endif /* DO_NBRR */
+  "UDP_STREAM",
+  "UDP_RR",
+  "LOC_CPU",
+  "REM_CPU",
+#ifdef WANT_DLPI
+  "DLCO_RR",
+  "DLCL_RR",
+  "DLCO_STREAM",
+  "DLCL_STREAM",
+#endif /* WANT_DLPI */
+#ifdef WANT_UNIX
+  "STREAM_RR",
+  "DG_RR",
+  "STREAM_STREAM",
+  "DG_STREAM",
+#endif /* WANT_UNIX */
+#ifdef WANT_XTI
+  "XTI_TCP_STREAM",
+  "XTI_TCP_RR",
+  "XTI_UDP_STREAM",
+  "XTI_UDP_RR",
+#endif /* WANT_XTI */
+#ifdef WANT_SCTP
+  "SCTP_STREAM",
+  "SCTP_RR",
+  "SCTP_STREAM_MANY",
+  "SCTP_RR_MANY",
+#endif /* WANT_SCTP */
+#ifdef DO_DNS
+  "DNS_RR",
+#endif /* DO_DNS */
+#ifdef WANT_SDP
+  "SDP_STREAM",
+  "SDP_MAERTS",
+  "SDP_RR",
+#endif /* WANT_SDP */
+#ifdef WANT_OMNI
+  "OMNI",
+  "UUID",
+#endif /* WANT_OMNI */
+  NULL
+};
+
 
 /* This routine will return the two arguments to the calling routine.
    If the second argument is not specified, and there is no comma,
@@ -558,6 +620,15 @@ print_netperf_usage()
   fprintf(stderr, "%s%s", netperf_usage1, netperf_usage2);
 }
 
+void
+print_netperf_tests()
+{
+  char **t;
+
+  for (t = netperf_tests; *t; ++t)
+    fprintf(stderr, "%s\n", *t);
+}
+
 /* convert the specified string to upper case if we know how */
 static void
 convert_to_upper(char *source)
@@ -842,6 +913,10 @@ scan_cmd_line(int argc, char *argv[])
 	 to worry about compares on things like substrings */
       strncpy(test_name,optarg,sizeof(test_name)-1);
       convert_to_upper(test_name);
+      if (strcasecmp(test_name, "HELP") == 0) {
+        print_netperf_tests();
+        exit(1);
+      }
       break;
     case 'T':
       /* We want to set the processor on which netserver or netperf