@@ -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);
}
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@nwl.cc> --- ip/ipneigh.c | 9 +++++---- 1 file changed, 5 insertions(+), 4 deletions(-)