diff options
Diffstat (limited to 'samples/bpf/xdp_redirect_map_user.c')
| -rw-r--r-- | samples/bpf/xdp_redirect_map_user.c | 10 |
1 files changed, 7 insertions, 3 deletions
diff --git a/samples/bpf/xdp_redirect_map_user.c b/samples/bpf/xdp_redirect_map_user.c index 60d46eea225b..470e1a7e8810 100644 --- a/samples/bpf/xdp_redirect_map_user.c +++ b/samples/bpf/xdp_redirect_map_user.c @@ -30,7 +30,7 @@ static int ifindex_in; static int ifindex_out; static bool ifindex_out_xdp_dummy_attached = true; -static __u32 xdp_flags; +static __u32 xdp_flags = XDP_FLAGS_UPDATE_IF_NOEXIST; static int rxcnt_map_fd; static void int_exit(int sig) @@ -70,7 +70,8 @@ static void usage(const char *prog) "usage: %s [OPTS] IFINDEX_IN IFINDEX_OUT\n\n" "OPTS:\n" " -S use skb-mode\n" - " -N enforce native mode\n", + " -N enforce native mode\n" + " -F force loading prog\n", prog); } @@ -82,7 +83,7 @@ int main(int argc, char **argv) }; struct bpf_program *prog, *dummy_prog; int prog_fd, dummy_prog_fd; - const char *optstr = "SN"; + const char *optstr = "FSN"; struct bpf_object *obj; int ret, opt, key = 0; char filename[256]; @@ -96,6 +97,9 @@ int main(int argc, char **argv) case 'N': xdp_flags |= XDP_FLAGS_DRV_MODE; break; + case 'F': + xdp_flags &= ~XDP_FLAGS_UPDATE_IF_NOEXIST; + break; default: usage(basename(argv[0])); return 1; |