samples/bpf: Add missing option to xdp_sample_pkts usage

xdp_sample_pkts usage() is missing the introduction of the "-S" option, this patch adds it. Fixes: d50ecc4 ("samples/bpf: Attach XDP programs in driver mode by default") Signed-off-by: Wang Hai <[email protected]> Signed-off-by: Andrii Nakryiko <[email protected]> Acked-by: Jesper Dangaard Brouer <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
ambv · Jun 17, 2021 · dfdda1a · dfdda1a
1 parent bf067f1
commit dfdda1a
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c
@@ -103,7 +103,8 @@ static void usage(const char *prog)
 	fprintf(stderr,
 		"%s: %s [OPTS] <ifname|ifindex>\n\n"
 		"OPTS:\n"
-		"    -F    force loading prog\n",
+		"    -F    force loading prog\n"
+		"    -S    use skb-mode\n",
 		__func__, prog);
 }