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authorWang Nan <wangnan0@huawei.com>2016-07-13 10:44:02 +0000
committerArnaldo Carvalho de Melo <acme@redhat.com>2016-07-13 23:09:02 -0300
commit705fa2190dfb3d02f83adcd1abdb4e7dc3434597 (patch)
tree3ebba97ae06aa134af99ceb31ec365025d56a489 /tools/lib/bpf/libbpf.h
parent5f44e4c810bf3ace5a97a84554d4eeccbb563ca5 (diff)
tools lib bpf: Report error when kernel doesn't support program type
Now libbpf support tracepoint program type. Report meaningful error when kernel version is less than 4.7. Signed-off-by: Wang Nan <wangnan0@huawei.com> Cc: Alexei Starovoitov <ast@kernel.org> Cc: Jiri Olsa <jolsa@kernel.org> Cc: Zefan Li <lizefan@huawei.com> Cc: pi3orama@163.com Link: http://lkml.kernel.org/r/1468406646-21642-3-git-send-email-wangnan0@huawei.com Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Diffstat (limited to 'tools/lib/bpf/libbpf.h')
-rw-r--r--tools/lib/bpf/libbpf.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/tools/lib/bpf/libbpf.h b/tools/lib/bpf/libbpf.h
index eb2a4c45f6b6..dd7a513efb10 100644
--- a/tools/lib/bpf/libbpf.h
+++ b/tools/lib/bpf/libbpf.h
@@ -39,6 +39,7 @@ enum libbpf_errno {
LIBBPF_ERRNO__VERIFY, /* Kernel verifier blocks program loading */
LIBBPF_ERRNO__PROG2BIG, /* Program too big */
LIBBPF_ERRNO__KVER, /* Incorrect kernel version */
+ LIBBPF_ERRNO__PROGTYPE, /* Kernel doesn't support this program type */
__LIBBPF_ERRNO__END,
};