Commit 6e38ba52 authored by Martin Kelly's avatar Martin Kelly Committed by Andrii Nakryiko
Browse files

selftests/bpf: Add tests for ring__map_fd 



Add tests for the new API ring__map_fd.

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/20230925215045.2375758-13-martin.kelly@crowdstrike.com
parent ae769390

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

+4 −0
Original line number Diff line number Diff line
@@ -92,6 +92,7 @@ static void ringbuf_subtest(void) 
	int page_size = getpagesize();

	void *mmap_ptr, *tmp_ptr;

	struct ring *ring;

	int map_fd;

	unsigned long avail_data, ring_size, cons_pos, prod_pos;



	skel = test_ringbuf_lskel__open();
@@ -168,6 +169,9 @@ static void ringbuf_subtest(void) 
	if (!ASSERT_OK_PTR(ring, "ring_buffer__ring_idx_0"))

		goto cleanup;



	map_fd = ring__map_fd(ring);

	ASSERT_EQ(map_fd, skel->maps.ringbuf.map_fd, "ring_map_fd");



	/* 2 submitted + 1 discarded records */

	CHECK(skel->bss->avail_data != 3 * rec_sz,

	      "err_avail_size", "exp %ld, got %ld\n",