[PATCH 1/3] dumpcap: add --interface to help

[Stephen Hemminger]

Make the help more complete, add all supported options.

Signed-off-by: Stephen Hemminger <step...@networkplumber.org>
---
 app/dumpcap/main.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/app/dumpcap/main.c b/app/dumpcap/main.c
index 2eb8414efaa5..297b6378aaf2 100644
--- a/app/dumpcap/main.c
+++ b/app/dumpcap/main.c
@@ -102,7 +102,8 @@ static void usage(void)
 {
        printf("Usage: %s [options] ...\n\n", progname);
        printf("Capture Interface:\n"
-              "  -i <interface>           name or port index of interface\n"
+              "  -i <interface>, --interface <interface>\n"
+              "                           name or port index of interface\n"
               "  -f <capture filter>      packet filter in libpcap filter 
syntax\n");
        printf("  -s <snaplen>, --snapshot-length <snaplen>\n"
               "                           packet snapshot length (def: %u)\n",
-- 
2.39.0