samples/bpf: Add missing option to xdpsock usage

Commit 743e568c1586 (samples/bpf: Add a "force" flag to XDP samples)
introduced the '-F' option but missed adding it to the usage() and the
'long_option' array.

Fixes: 743e568c1586 (samples/bpf: Add a "force" flag to XDP samples)
Signed-off-by: Andre Guedes <andre.guedes@intel.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Link: https://lore.kernel.org/bpf/20191114162847.221770-2-andre.guedes@intel.com

diff --git a/samples/bpf/xdpsock_user.c b/samples/bpf/xdpsock_user.c
index c5d0a006cafcd3b2b1bce7fa5b7541ad8fa0056b..a15480010828fbe53c71692af71d4c958166979c 100644 (file)
--- a/samples/bpf/xdpsock_user.c
+++ b/samples/bpf/xdpsock_user.c
@@ -374,6 +374,7 @@ static struct option long_options[] = {
        {"no-need-wakeup", no_argument, 0, 'm'},
        {"unaligned", no_argument, 0, 'u'},
        {"shared-umem", no_argument, 0, 'M'},
+       {"force", no_argument, 0, 'F'},
        {0, 0, 0, 0}
 };
 
@@ -397,6 +398,7 @@ static void usage(const char *prog)
                "  -f, --frame-size=n   Set the frame size (must be a power of two in aligned mode, default is %d).\n"
                "  -u, --unaligned      Enable unaligned chunk placement\n"
                "  -M, --shared-umem    Enable XDP_SHARED_UMEM\n"
+               "  -F, --force          Force loading the XDP prog\n"
                "\n";
        fprintf(stderr, str, prog, XSK_UMEM__DEFAULT_FRAME_SIZE);
        exit(EXIT_FAILURE);