summaryrefslogtreecommitdiff
path: root/tools/lib/bpf/bpf.c
diff options
context:
space:
mode:
Diffstat (limited to 'tools/lib/bpf/bpf.c')
-rw-r--r--tools/lib/bpf/bpf.c22
1 files changed, 19 insertions, 3 deletions
diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 550b4cbb6c99..cf27251adb92 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -29,6 +29,7 @@
#include <errno.h>
#include <linux/bpf.h>
#include <linux/filter.h>
+#include <linux/kernel.h>
#include <limits.h>
#include <sys/resource.h>
#include "bpf.h"
@@ -111,7 +112,7 @@ int probe_memcg_account(void)
BPF_EMIT_CALL(BPF_FUNC_ktime_get_coarse_ns),
BPF_EXIT_INSN(),
};
- size_t insn_cnt = sizeof(insns) / sizeof(insns[0]);
+ size_t insn_cnt = ARRAY_SIZE(insns);
union bpf_attr attr;
int prog_fd;
@@ -754,10 +755,10 @@ int bpf_prog_attach(int prog_fd, int target_fd, enum bpf_attach_type type,
.flags = flags,
);
- return bpf_prog_attach_xattr(prog_fd, target_fd, type, &opts);
+ return bpf_prog_attach_opts(prog_fd, target_fd, type, &opts);
}
-int bpf_prog_attach_xattr(int prog_fd, int target_fd,
+int bpf_prog_attach_opts(int prog_fd, int target_fd,
enum bpf_attach_type type,
const struct bpf_prog_attach_opts *opts)
{
@@ -778,6 +779,11 @@ int bpf_prog_attach_xattr(int prog_fd, int target_fd,
return libbpf_err_errno(ret);
}
+__attribute__((alias("bpf_prog_attach_opts")))
+int bpf_prog_attach_xattr(int prog_fd, int target_fd,
+ enum bpf_attach_type type,
+ const struct bpf_prog_attach_opts *opts);
+
int bpf_prog_detach(int target_fd, enum bpf_attach_type type)
{
union bpf_attr attr;
@@ -848,6 +854,15 @@ int bpf_link_create(int prog_fd, int target_fd,
if (!OPTS_ZEROED(opts, perf_event))
return libbpf_err(-EINVAL);
break;
+ case BPF_TRACE_KPROBE_MULTI:
+ attr.link_create.kprobe_multi.flags = OPTS_GET(opts, kprobe_multi.flags, 0);
+ attr.link_create.kprobe_multi.cnt = OPTS_GET(opts, kprobe_multi.cnt, 0);
+ attr.link_create.kprobe_multi.syms = ptr_to_u64(OPTS_GET(opts, kprobe_multi.syms, 0));
+ attr.link_create.kprobe_multi.addrs = ptr_to_u64(OPTS_GET(opts, kprobe_multi.addrs, 0));
+ attr.link_create.kprobe_multi.cookies = ptr_to_u64(OPTS_GET(opts, kprobe_multi.cookies, 0));
+ if (!OPTS_ZEROED(opts, kprobe_multi))
+ return libbpf_err(-EINVAL);
+ break;
default:
if (!OPTS_ZEROED(opts, flags))
return libbpf_err(-EINVAL);
@@ -989,6 +1004,7 @@ int bpf_prog_test_run_opts(int prog_fd, struct bpf_test_run_opts *opts)
memset(&attr, 0, sizeof(attr));
attr.test.prog_fd = prog_fd;
+ attr.test.batch_size = OPTS_GET(opts, batch_size, 0);
attr.test.cpu = OPTS_GET(opts, cpu, 0);
attr.test.flags = OPTS_GET(opts, flags, 0);
attr.test.repeat = OPTS_GET(opts, repeat, 0);