From dfdda1a0f4aad476ae25f2840c9426da3b99506d Mon Sep 17 00:00:00 2001
From: Wang Hai <wanghai38@huawei.com>
Date: Tue, 15 Jun 2021 21:57:24 +0800
Subject: [PATCH] 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: 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/20210615135724.29528-1-wanghai38@huawei.com
---
samples/bpf/xdp_sample_pkts_user.c | 3 ++-
1 file changed, 2 insertions(+), 1 deletion(-)
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c
index 706475e004cb5..495e09897bd3d 100644
--- 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);
}
--
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