From b9bc9cedc094107fcb66e091a11f443f8c3cb040 Mon Sep 17 00:00:00 2001
From: Florian Forster <ff@octo.it>
Date: Fri, 13 Feb 2015 14:07:21 +0100
Subject: [PATCH] oping(1): Document the "-m <mark>" command line option.

---
 src/mans/oping.pod | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/src/mans/oping.pod b/src/mans/oping.pod
index dae81e8..b609414 100644
--- a/src/mans/oping.pod
+++ b/src/mans/oping.pod
@@ -172,6 +172,12 @@ I<Explicit Congestion Notification> (ECN), even if the deprecated
 I<Type of Service> (ToS) aliases were used to specify the bits of outgoing
 packets.
 
+=item B<-m> I<mark>
+
+I<Linux only> Sets the I<mark> (an integer number) on outgoing packets. This
+can be used by L<iptables(8)> and other networking infrastructure for filtering
+and routing.
+
 =item B<-u>|B<-U>
 
 I<noping only> B<-u> forces UTF-8 output, B<-U> disables UTF-8 output. If
-- 
2.30.2