From ba8130e69f84159c2bc583ff4abaa27f1b887b36 Mon Sep 17 00:00:00 2001
From: Benjamin Valentin <benjamin.valentin@ml-pa.com>
Date: Sun, 17 Dec 2023 17:31:21 +0100
Subject: [PATCH] tools/zep_dispatch: topogen: add help text

---
 dist/tools/zep_dispatch/topogen.c | 12 +++++++++++-
 1 file changed, 11 insertions(+), 1 deletion(-)

diff --git a/dist/tools/zep_dispatch/topogen.c b/dist/tools/zep_dispatch/topogen.c
index 52b6df5d20..b5a01b4ee4 100644
--- a/dist/tools/zep_dispatch/topogen.c
+++ b/dist/tools/zep_dispatch/topogen.c
@@ -230,8 +230,18 @@ static void _print_help(const char *name)
                     " [-r <range>]"
                     " [-v <variance of range>]"
                     " [-n <nodes>]"
-                    " [-b]"
+                    " [-b][-g]"
                     "\n", name);
+
+    puts("\nOptions:");
+    puts("\t-s <seed>\trandom seed used for topology generation");
+    puts("\t-w <width>\twidth of the 2D topology");
+    puts("\t-h <height>\theight of the 2D topology");
+    puts("\t-r <range>\tRadio range of the nodes");
+    puts("\t-v <variance>\tmaximal random variance of radio range");
+    puts("\t-n <nodes>\tnumber of nodes in the topology");
+    puts("\t-b\t\tbinary links: link quality is rounded to 100% or 0%");
+    puts("\t-g\t\tnodes are organized as a grid");
 }
 
 int main(int argc, char** argv)