Commit f3a01d38 authored by Martin Kelly's avatar Martin Kelly Committed by Andrii Nakryiko
Browse files

selftests/bpf: Add tests for ring__avail_data_size 



Add test for the new API ring__avail_data_size.

Signed-off-by: default avatarMartin Kelly <martin.kelly@crowdstrike.com>
Signed-off-by: default avatarAndrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20230925215045.2375758-9-martin.kelly@crowdstrike.com
parent 3b34d297

tools/testing/selftests/bpf/prog_tests/ringbuf.c

+3 −1
Original line number Diff line number Diff line
@@ -92,7 +92,7 @@ static void ringbuf_subtest(void) 
	int page_size = getpagesize();

	void *mmap_ptr, *tmp_ptr;

	struct ring *ring;

	unsigned long cons_pos, prod_pos;

	unsigned long avail_data, cons_pos, prod_pos;



	skel = test_ringbuf_lskel__open();

	if (CHECK(!skel, "skel_open", "skeleton open failed\n"))
@@ -185,6 +185,8 @@ static void ringbuf_subtest(void) 
	/* verify getting this data directly via the ring object yields the same

	 * results

	 */

	avail_data = ring__avail_data_size(ring);

	ASSERT_EQ(avail_data, 3 * rec_sz, "ring_avail_size");

	cons_pos = ring__consumer_pos(ring);

	ASSERT_EQ(cons_pos, 0, "ring_cons_pos");

	prod_pos = ring__producer_pos(ring);