commit b0a9dbb816febb78e0f185c77aa78c19cb151bf5
author Nicolas Dichtel <nicolas.dichtel@6wind.com> Fri May 03 08:18:41 2013 -0700
committer Stephen Hemminger <stephen@networkplumber.org> Fri May 03 12:29:22 2013 -0700
tree fe0f26f2ba63c9a5eb078b24fe3aa4633c8f43c6
parent 824c843556a80cd3b4003d1e9e583cfdf632d0c0

ip: add missing help about mode argument

There is three possibilities: only IPv6, only IPv4 or both.

Signed-off-by: Nicolas Dichtel <nicolas.dichtel@6wind.com>

ip/link_ip6tnl.c

diff --git a/ip/link_ip6tnl.c b/ip/link_ip6tnl.c
index 2947364..f5b1245 100644
--- a/ip/link_ip6tnl.c
+++ b/ip/link_ip6tnl.c
@@ -33,6 +33,7 @@
 static void usage(void)
 {
 	fprintf(stderr, "Usage: ip link { add | set | change | replace | del } NAME\n");
+	fprintf(stderr, "          [ mode { ip6ip6 | ipip6 | any } ]\n");
 	fprintf(stderr, "          type ip6tnl [ remote ADDR ] [ local ADDR ]\n");
 	fprintf(stderr, "          [ dev PHYS_DEV ] [ encaplimit ELIM ]\n");
 	fprintf(stderr ,"          [ hoplimit HLIM ] [ tclass TCLASS ] [ flowlabel FLOWLABEL ]\n");