diff options
Diffstat (limited to 'samples/bpf/xdp_sample_pkts_user.c')
| -rw-r--r-- | samples/bpf/xdp_sample_pkts_user.c | 12 |
1 files changed, 9 insertions, 3 deletions
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c index a5760e8bf2c4..8c1af1b7372d 100644 --- a/samples/bpf/xdp_sample_pkts_user.c +++ b/samples/bpf/xdp_sample_pkts_user.c @@ -52,13 +52,13 @@ static int do_detach(int idx, const char *name) __u32 curr_prog_id = 0; int err = 0; - err = bpf_get_link_xdp_id(idx, &curr_prog_id, 0); + err = bpf_get_link_xdp_id(idx, &curr_prog_id, xdp_flags); if (err) { printf("bpf_get_link_xdp_id failed\n"); return err; } if (prog_id == curr_prog_id) { - err = bpf_set_link_xdp_fd(idx, -1, 0); + err = bpf_set_link_xdp_fd(idx, -1, xdp_flags); if (err < 0) printf("ERROR: failed to detach prog from %s\n", name); } else if (!curr_prog_id) { @@ -115,7 +115,7 @@ int main(int argc, char **argv) .prog_type = BPF_PROG_TYPE_XDP, }; struct perf_buffer_opts pb_opts = {}; - const char *optstr = "F"; + const char *optstr = "FS"; int prog_fd, map_fd, opt; struct bpf_object *obj; struct bpf_map *map; @@ -127,12 +127,18 @@ int main(int argc, char **argv) case 'F': xdp_flags &= ~XDP_FLAGS_UPDATE_IF_NOEXIST; break; + case 'S': + xdp_flags |= XDP_FLAGS_SKB_MODE; + break; default: usage(basename(argv[0])); return 1; } } + if (!(xdp_flags & XDP_FLAGS_SKB_MODE)) + xdp_flags |= XDP_FLAGS_DRV_MODE; + if (optind == argc) { usage(basename(argv[0])); return 1; |