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authorLorenz Bauer <lmb@cloudflare.com>2018-12-03 11:31:24 +0000
committerAlexei Starovoitov <ast@kernel.org>2018-12-04 08:18:13 -0800
commit2587a974f184ff1cd8103de25b6354a3a4da7132 (patch)
tree8ef58b4c3b5a1ac9501dd071f683279d7740419e /tools/include/uapi/linux
parentbpf: respect size hint to BPF_PROG_TEST_RUN if present (diff)
downloadlinux-dev-2587a974f184ff1cd8103de25b6354a3a4da7132.tar.xz
linux-dev-2587a974f184ff1cd8103de25b6354a3a4da7132.zip
tools: sync uapi/linux/bpf.h
Pull changes from "bpf: respect size hint to BPF_PROG_TEST_RUN if present". Signed-off-by: Lorenz Bauer <lmb@cloudflare.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Diffstat (limited to '')
-rw-r--r--tools/include/uapi/linux/bpf.h7
1 files changed, 5 insertions, 2 deletions
diff --git a/tools/include/uapi/linux/bpf.h b/tools/include/uapi/linux/bpf.h
index 0183b8e70a9e..64262890feb2 100644
--- a/tools/include/uapi/linux/bpf.h
+++ b/tools/include/uapi/linux/bpf.h
@@ -374,8 +374,11 @@ union bpf_attr {
struct { /* anonymous struct used by BPF_PROG_TEST_RUN command */
__u32 prog_fd;
__u32 retval;
- __u32 data_size_in;
- __u32 data_size_out;
+ __u32 data_size_in; /* input: len of data_in */
+ __u32 data_size_out; /* input/output: len of data_out
+ * returns ENOSPC if data_out
+ * is too small.
+ */
__aligned_u64 data_in;
__aligned_u64 data_out;
__u32 repeat;