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From:   Wang Hai <wanghai38@huawei.com>
To:     <davem@davemloft.net>, <kuba@kernel.org>, <ast@kernel.org>,
        <daniel@iogearbox.net>, <hawk@kernel.org>,
        <john.fastabend@gmail.com>, <andrii@kernel.org>, <kafai@fb.com>,
        <songliubraving@fb.com>, <yhs@fb.com>, <kpsingh@kernel.org>
CC:     <bpf@vger.kernel.org>, <netdev@vger.kernel.org>,
        <linux-kernel@vger.kernel.org>
Subject: [PATCH bpf-next] samples/bpf: Add missing option to xdp_fwd usage
Date:   Tue, 15 Jun 2021 21:55:54 +0800
Message-ID: <20210615135554.29158-1-wanghai38@huawei.com>
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xdp_fwd usage() is missing the introduction of the "-S"
and "-F" options, this patch adds it.

Signed-off-by: Wang Hai <wanghai38@huawei.com>
---
 samples/bpf/xdp_fwd_user.c | 2 ++
 1 file changed, 2 insertions(+)

diff --git a/samples/bpf/xdp_fwd_user.c b/samples/bpf/xdp_fwd_user.c
index 74a4583d0d86..00061261a8da 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);
 }
-- 
2.17.1