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samples/bpf: Add missing option to xdp_sample_pkts usage

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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
This commit is contained in:
Wang Hai 2021-06-15 21:57:24 +08:00 committed by Andrii Nakryiko
parent bf067f1c51
commit dfdda1a0f4
1 changed files with 2 additions and 1 deletions
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3
samples/bpf/xdp_sample_pkts_user.c
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@ -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);
}