netdev - [iproute PATCH 2/2] ipneigh: List all nud states in help output

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Date:	Fri,  4 Mar 2016 20:07:21 +0100
From:	Phil Sutter <phil@....cc>
To:	Stephen Hemminger <shemming@...cade.com>
Cc:	netdev@...r.kernel.org
Subject: [iproute PATCH 2/2] ipneigh: List all nud states in help output

To not make the output overly confusing, list them in a definition of
the STATE placeholder which is already used in the show/flush syntax but
wasn't explained before.

Signed-off-by: Phil Sutter <phil@....cc>
---
 ip/ipneigh.c | 9 +++++----
 1 file changed, 5 insertions(+), 4 deletions(-)

diff --git a/ip/ipneigh.c b/ip/ipneigh.c
index 9b1499b08b060..48cca196fa7a8 100644
--- a/ip/ipneigh.c
+++ b/ip/ipneigh.c
@@ -46,10 +46,11 @@ static void usage(void) __attribute__((noreturn));
 
 static void usage(void)
 {
-	fprintf(stderr, "Usage: ip neigh { add | del | change | replace } { ADDR [ lladdr LLADDR ]\n"
-		        "          [ nud { permanent | noarp | stale | reachable } ]\n"
-		        "          | proxy ADDR } [ dev DEV ]\n");
-	fprintf(stderr, "       ip neigh { show | flush } [ proxy ] [ to PREFIX ] [ dev DEV ] [ nud STATE ]\n");
+	fprintf(stderr, "Usage: ip neigh { add | del | change | replace }\n"
+			"                { ADDR [ lladdr LLADDR ] [ nud STATE ] | proxy ADDR } [ dev DEV ]\n");
+	fprintf(stderr, "       ip neigh { show | flush } [ proxy ] [ to PREFIX ] [ dev DEV ] [ nud STATE ]\n\n");
+	fprintf(stderr, "STATE := { permanent | noarp | stale | reachable | none |\n"
+	                "           incomplete | delay | probe | failed }\n");
 	exit(-1);
 }
 
-- 
2.7.2