summaryrefslogtreecommitdiff
path: root/samples/bpf/xdp_sample_pkts_user.c
diff options
context:
space:
mode:
authorIngo Molnar <mingo@kernel.org>2020-02-05 08:44:22 +0100
committerIngo Molnar <mingo@kernel.org>2020-02-05 08:44:22 +0100
commitfdff7c21ea00787e3f70a1a00b40b88eb998c6ad (patch)
tree03016a8375e849e2c39dec8a15d660055bb16a8c /samples/bpf/xdp_sample_pkts_user.c
parentf1ec3a517b4352e78dbef6b1e591f43202ecb3fe (diff)
parentb3a6082223369203d7e7db7e81253ac761377644 (diff)
Merge branch 'linus' into perf/urgent, to synchronize with upstream
Signed-off-by: Ingo Molnar <mingo@kernel.org>
Diffstat (limited to 'samples/bpf/xdp_sample_pkts_user.c')
-rw-r--r--samples/bpf/xdp_sample_pkts_user.c14
1 files changed, 10 insertions, 4 deletions
diff --git a/samples/bpf/xdp_sample_pkts_user.c b/samples/bpf/xdp_sample_pkts_user.c
index a5760e8bf2c4..991ef6f0880b 100644
--- a/samples/bpf/xdp_sample_pkts_user.c
+++ b/samples/bpf/xdp_sample_pkts_user.c
@@ -10,7 +10,7 @@
#include <sys/sysinfo.h>
#include <sys/ioctl.h>
#include <signal.h>
-#include <libbpf.h>
+#include <bpf/libbpf.h>
#include <bpf/bpf.h>
#include <sys/resource.h>
#include <libgen.h>
@@ -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;