Fix --no-icmp description and make it imply --no-ndp

Signed-off-by: Volker Diels-Grabsch <v@njh.eu>
Reviewed-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Stefano Brivio <sbrivio@redhat.com>

2 files changed, 5 insertions, 2 deletions

diff --git a/conf.c b/conf.c
index f47f48e..02e903b 100644
--- a/conf.c
+++ b/conf.c
@@ -2067,6 +2067,9 @@ void conf(struct ctx *c, int argc, char **argv)
 
 	isolate_user(uid, gid, !netns_only, userns, c->mode);
 
+	if (c->no_icmp)
+		c->no_ndp = 1;
+
 	if (c->pasta_conf_ns)
 		c->no_ra = 1;
 
diff --git a/passt.1 b/passt.1
index cef98b2..dd00b08 100644
--- a/passt.1
+++ b/passt.1
@@ -319,8 +319,8 @@ silently dropped.
 
 .TP
 .BR \-\-no-icmp
-Disable the ICMP/ICMPv6 echo handler. ICMP and ICMPv6 echo requests coming from
-guest or target namespace will be silently dropped.
+Disable the ICMP/ICMPv6 protocol handler. ICMP and ICMPv6 requests coming from
+guest or target namespace will be silently dropped. Implies \fB--no-ndp\fR.
 
 .TP
 .BR \-\-no-dhcp