From: Wang Hai <wanghai38@huawei.com>
Date: Tue, 15 Jun 2021 13:55:54 +0000 (+0800)
Subject: samples/bpf: Add missing option to xdp_fwd usage
X-Git-Tag: v5.15~843^2~135^2~4
X-Git-Url: http://review.tizen.org/git/?a=commitdiff_plain;h=bf067f1c51239ba70be714c513820d2c4a5cd457;p=platform%2Fkernel%2Flinux-starfive.git

samples/bpf: Add missing option to xdp_fwd usage

xdp_fwd usage() is missing the introduction of the "-S"
and "-F" options, this patch adds it.

Fixes: d50ecc46d18f ("samples/bpf: Attach XDP programs in driver mode by default")
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Acked-by: Jesper Dangaard Brouer <brouer@redhat.com>
Link: https://lore.kernel.org/bpf/20210615135554.29158-1-wanghai38@huawei.com
---

diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c
index 74a4583..0006126 100644
--- a/samples/bpf/xdp_fwd_user.c
+++ b/samples/bpf/xdp_fwd_user.c
@@ -67,6 +67,8 @@ static void usage(const char *prog)
 		"usage: %s [OPTS] interface-list\n"
 		"\nOPTS:\n"
 		"    -d    detach program\n"
+		"    -S    use skb-mode\n"
+		"    -F    force loading prog\n"
 		"    -D    direct table lookups (skip fib rules)\n",
 		prog);
 }