[PATCH bpf-next v9 3/5] libbpf: Support batch_size option to bpf_prog_test_run

["Toke Høiland-Jørgensen" <toke@redhat.com>]

Add support for setting the new batch_size parameter to BPF_PROG_TEST_RUN
to libbpf; just add it as an option and pass it through to the kernel.

Signed-off-by: Toke Høiland-Jørgensen <toke@redhat.com>
---
 tools/lib/bpf/bpf.c | 1 +
 tools/lib/bpf/bpf.h | 3 ++-
 2 files changed, 3 insertions(+), 1 deletion(-)

diff --git a/tools/lib/bpf/bpf.c b/tools/lib/bpf/bpf.c
index 418b259166f8..e2ec93c2c7c4 100644
--- a/tools/lib/bpf/bpf.c
+++ b/tools/lib/bpf/bpf.c
@@ -994,6 +994,7 @@ 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);
diff --git a/tools/lib/bpf/bpf.h b/tools/lib/bpf/bpf.h
index 16b21757b8bf..5253cb4a4c0a 100644
--- a/tools/lib/bpf/bpf.h
+++ b/tools/lib/bpf/bpf.h
@@ -512,8 +512,9 @@ struct bpf_test_run_opts {
 	__u32 duration;      /* out: average per repetition in ns */
 	__u32 flags;
 	__u32 cpu;
+	__u32 batch_size;
 };
-#define bpf_test_run_opts__last_field cpu
+#define bpf_test_run_opts__last_field batch_size
 
 LIBBPF_API int bpf_prog_test_run_opts(int prog_fd,
 				      struct bpf_test_run_opts *opts);
-- 
2.35.1